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TESTJ200 Release 2024-09-07
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 Nf6 2.Bb2 g6

(...)

3.a3 a5 4.d3 Bg7 5.Nd2 0-0 6.Ngf3 ab4 7.ab4 Ra1 8.Qa1 b6 9.g3 Bb7 10.Bg2 Nc6 11.b5 Nb4 12.Qb1 Qa8 13.Bf6 Bf6 14.Qb4 Qa1 15.Qb1 Qc3 16.0-0 Ra8 17.Ne4 Be4 18.de4 Qc5 19.Rc1 Ra1 20.Qa1 Ba1 21.Ra1 Qc2 22.Ne5 Qe2 23.Nd7 Qb5 24.Ra8 Kg7 25.Rd8 Qb1 26.Bf1 Qe4 27.h4 b5 28.Nc5 Qc2 29.Nd3 c5 30.Rc8 c4 31.Nb4 Qd2 32.Nc6 c3 33.Ne7 c2 34.h5 gh5 35.Nf5 Kf6 36.Ne3 c1Q 0-1. Zobbie (2505) - Kolabaxa (2610), Rated bullet game, lichess.org, 2023. (=1.a3 Nf6 2.b4 g6 3.Bb2)

3.a3 Ng8?? 4.c4 (4.Bh8 f6 5.h4+-) 4...Nf6+= 5.d3 Bg7 6.Qc1 0-0 7.Nd2 e6 8.e3 d5 9.Ngf3 dc4 10.dc4 (10.Qc4 Nbd7+=) 10...Nfd7 (10...Qe7!?=) 11.Be2 Bb2 12.Qb2 Nf6 13.0-0 Nh5 14.Ne4 Ng7 (better 14...Nd7!?+/-) 15.Nf6+- Kh8 16.Ng5 h6 (16...Qe7 17.Nfh7 Rd8 18.Nf6+-) 17.Ngh7 Nd7 18.Rfd1 (18.Nf8?! Nf6 19.Bd3 Kg8 20.Ng6 fg6 21.Bg6 Ng4+-) 18...Nf6 (18...Qe7 19.Nd7 Bd7 20.Nf8 Rf8+-) 19.Rd8 (19.Qf6?! Qf6 20.Nf6 Nf5+/-; 19.Nf6?! Qe7+-) 19...Nh7 20.Rf8 (20.Rad1 Kg8+-) 20...Nf8 21.Qf6 Nh7 (21...Kg8+-) 22.Qd8 Nf8 (22...Ne8 23.Qe8 Kg7 24.Rd1+-) 23.Qf8 Kh7 24.Qf7 (24.Rd1 Bd7 25.Qa8 Ba4+-) 24...Bd7 25.Qd7 Rg8 26.Qg7! Rg7 (26...Rg7 27.Rd1 Combination; 26...Kg7 27.Rd1 Combination) 27.Bd3 (27.Rd1 c6+-) 27...Rf7 28.Bg6! Kg7?? (28...Kg6 29.Rd1 Combination) 29.f4 (better 29.Bf7 Kf7 30.Rd1+-) 29...Rf6 (29...Kg6 30.Rd1 a6+-) 30.f5! 1-0. universe64 (2085) - worldchessplayer (2000), Sokolov Arena, lichess.org, 2019.

3.a3 h5 4.d3 Bg7 5.Nd2 0-0 6.e4 Ne8 7.Qc1 d5 8.Ngf3 d4 9.Be2 a5 10.0-0 ab4 11.ab4 Ra1 12.Qa1 c6 13.Bd4 Nf6 14.h3 Na6 15.Qb2 Be6 16.Ng5 Qd7 17.Ra1 Rc8 18.c4 Rd8 19.Ne6 Qe6 20.Bc3 Ne8 21.Nf3 Nac7 22.Ra7 Rb8 23.Nd4 Qd7 24.Nb3 Ne6 25.d4 N8c7 26.Bf1 Nf4 27.Qd2 g5 28.h4 e5 29.hg5 Nce6 30.de5 Qd2 31.Nd2 Be5 32.Be5 Rd8 33.Nf3 Rd1 34.g3 Ne2 35.Kg2 Nc1 36.Rb7 Nb3 37.Nh4 Nd2 38.Rb8 Nf8 39.Be2 Ne4 40.Bh5 Rd2 0-1. Zobbie (2505) - goat215 (2520), Rated bullet game, lichess.org, 2023. (=1.a3 Nf6 2.b4 g6 3.Bb2)

3.a4 a5 4.b5 b6 (4...Bg7 5.e3=) 5.e4 Bg7 6.e5 Nh5 (6...Nd5 7.Qf3 c6 8.Bc4=) 7.Qf3 c6? (better is 7...Ra7+=) 8.g4+- cb5? (better is 8...Qc7 9.gh5 Be5+-) 9.Qa8 (9.Qa8 Qc7 10.Na3+- (10.gh5?! Bb7 11.Qa7 Nc6 12.Qb7 Qb7+=); 9.gh5?! Qc7 10.Bg2 Ra7+-) 1–0. market (2255) – ajito, GameColony.com, 2002.

3.a4 Rg8 4.Nf3= Bg7 5.Nc3 a5 6.b5+= b6 7.g3+/- Bb7 8.Bg2 Nd5 9.0-0 Nb4 10.d4 c5 11.bc6 Bc6 12.Nb5+- Bd5 13.c3 N4c6 14.Qd3 Na7 15.c4 Bc6 16.Qe3 Nb5 17.ab5 Bf3 18.ef3 Ra7 19.Ba3 d6 20.Rac1 Nd7 21.Rfd1 Rc7 22.Bd6 Rc8 23.Ba3 e6 24.Bh3 Qf6 25.d5 e5 26.f4 Bh6 27.Qe4 Nc5 28.d6 Ne4 29.d7 (29.d7 Kd8 30.dc8Q) 1–0. Anonymous – snibben, internet, 2011.

3.c3 h5 4.a3 h4 5.e3 h3 6.g3 (better is 6.Nh3 d5 7.Ng5+=) 6...Ng4?? (6...d6 7.f3=) 7.Nf3 (7.Qg4 d5 8.Qd1 Nc6+-) 7...Nh2?? (better is 7...e5=) 8.Rh2+- d6 9.Bh3?? (better is 9.Ng1+-) 9...Bh3 10.Rh3?? (better is 10.c4 Rh6 11.d4=) 10...Rh3-+ 11.Ke2 Rh8 12.d3 Qd7 13.Nbd2 Rh2?? 14.Nh2+- Qh3 15.Nhf3 Qh1 16.Qh1 Nd7 17.Qg2 Nf6 18.Rh1 0-0-0 19.Rh2 Bg7 20.Qh1 Rh8 21.Rh8 Bh8 22.Qh8 (22.Qh8 Kd7 23.Qf8+-) 1–0. Fournier,Frederic (1860) – rokolongo, Club Owl21 Owl21.com, 2007.

3.Nc3 e5 4.Nf3 Bb4 (4...Qe7 5.a3=) 5.Ne5 d5 6.e3 0-0 7.Bd3 (7.a3 Bc3 8.Bc3 Ne4+=) 7...Re8 8.Nf3 (8.a3 Bd6 9.Nf3 a6=) 8...Nc6 (8...d4 9.Ne2 de3 10.fe3 Re3 11.a3=+) 9.0-0 (9.a3 Ba5=) 9...Ne4 10.Ne2 (10.Rb1 Bc3 11.Bc3 Nc3 12.dc3 Qf6=) 10...Bg4=+ 11.a3 Ba5 12.Be4 de4 13.Nfd4 Nd4 14.Bd4 Qg5 15.Qe1 Rac8 (15...c5 16.Bc3 Bc3 17.dc3-/+) 16.Rb1 b6 (16...c5 17.Bc3 Bc3 18.dc3-/+) 17.Ng3 (17.Kh1 Rcd8-/+) 17...c5-/+ 18.Bb2 Rcd8 19.c3 h5 (19...Qd5 20.f3 ef3 21.gf3-/+) 20.h3 (20.Kh1=+) 20...Be6 (20...Bd7 21.f3 ef3 22.Rf3-/+) 21.Ne4= Qf5 22.f3 Bc4 23.Rf2 Bd3 24.Rc1 (24.c4 Be4 25.fe4 Qe4=+) 24...Be4 (24...c4 25.Qd1=+) 25.fe4 Qe4 26.Qf1 (26.Rf1 c4=+) 26...Rf8 (26...c4 27.Qe2=+ (27.Rf7? Rd2 28.Ba1 Rg2 29.Qg2 Qe3 30.Rf2 Qc1 31.Kh2 Kg7-+)) 27.Rf4 (27.Qb5 c4=) 27...Qd5 (27...Qd3 28.Rd1=+) 28.d4= cd4 (28...Rfe8 29.Qf2=) 29.ed4+= (worse 29.cd4 Bd2 30.Rf3 Bc1 31.Qc1 Rc8-+) 29...Qb3 (29...b5 30.a4 ba4 31.c4+=) 30.Qf2 (30.Rf2 b5+=) 30...b5 (30...Qc4 31.Qf3=) 31.Rf1 (31.a4 b4 (31...Qa4? 32.Ra1+-) 32.c4 Bc7+= (32...Qa4 33.Ra1 Qb3 34.Ra5+-)) 31...Rd7 32.Rf3 Bb6 (32...Re8 33.Re1 Rde7 34.Re7 Re7 35.Rd3=+) 33.Kh1 (33.Re3 Bc7=) 33...Qc4 (33...Bc7 34.Bc1=) 34.Bc1 (34.Re1 Bc7=) 34...Re7 (34...Ba5 35.Bd2=) 35.Qg3 (35.Qh4 Re6+=) 35...Qe6 (35...Ba5 36.a4 Bc3 37.Bh6+=) 36.Qg5+= Bd8 (better 36...a6!?+=) 37.Qb5+- f5 (37...Bc7 38.Rf6 Qd7 39.Qd7 Rd7 40.Bf4+-) 38.Re3 (38.Bg5 a6 39.Qa4 Rb7+-) 38...Qb6 (38...Qd6 39.Qb3 Kh7 40.Re7 Qe7 41.c4+-) 39.Qc4 (39.Qd5 Kg7+-) 39...Kg7 40.Re7 (40.Qd3 Qb3+-) 40...Be7 41.Re1 Bf6 (41...Bd6 42.Qd5+-) 42.Qd3 (42.Bf4 h4+-) 42...Qd6 (42...Qc6 43.Kg1+-) 43.Qe3+- f4 44.Qe4 (44.Qf3 Bh4 45.Rd1 Bg3+-) 44...Rf7 (44...f3 45.Qb7 (45.Qf3?! Bh4 46.Qd1 Be1 47.Qe1 a6+=; worse 45.gf3 Qg3+-) 45...Kg8 46.Rf1 (46.Qf3?! Bh4 47.Qe3 Be1 48.Qe1 Kg7+=; 46.Qa7 fg2 47.Kg1 Qg3-+) 46...fg2 47.Qg2+-) 45.Bf4 (45.Qf3 h4+-) 45...Qa3+- 46.Qd3 (46.c4 Re7 47.Be5 Be5 48.de5 Qc3+-) 46...a5 47.Re6 (better 47.Be5+-) 47...g5? (better 47...Qb3 48.Re3 h4+-) 48.Bg5!+- Bg5 49.Qg6 Kf8 50.Qg5 Qc3 (50...Rf1 51.Kh2 Rh1 52.Kh1 Qa1 53.Kh2 Qg1 54.Kg1 a4 55.Qg6 a3 56.Re8) 51.Qh6 (51.Qh5?! Qc1 52.Kh2 Qf4 53.Kg1 Qf1 54.Kh2 Qf4 55.Kg1 Qf1 56.Kh2 Qf4=) 51...Kg8 (51...Rg7 52.Qh8 Rg8 53.Qf6) 52.Rg6 (52.Rg6 Rg7 53.Qg7; 52.Re8 Rf8 53.Rf8) 1–0. Wall,Bill – Libana, internet, 2004.

3.c4 c5 4.b5 Bg7= 5.Nc3 0-0 6.g3 a6. retiarius – Szkodnikow_i_ofiar, ChessWorld.net, 2015.

3.c4 c6 4.e3 Bg7 5.Nf3 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6).

3.c4 Nc6 4.b5 Nb8 5.e3 b6 (5...Bg7 6.Nf3=) 6.Nf3 Bb7 7.c5 (7.Be2 a6+=) 7...d6 (better 7...bc5!? 8.Bf6 ef6=+) 8.c6+= Bc8 9.Bf6 ef6 10.Nc3 Bg7 (10...a6 11.Qa4+=) 11.Bd3 (11.Bc4 a6+-) 11...f5 (11...a6 12.Qa4+=) 12.Nd4 (12.0-0 Be6+-) 12...Qe7 (12...a6 13.Qa4=) 13.0-0 a6 14.a4 (14.Qa4 0-0+-) 14...a5 (14...Be6 15.a5 ab5 16.ab6 (16.Ne6?! fe6 17.ab6 Ra1 18.Qa1 Kf7+=) 16...Ra1 17.Qa1+-) 15.f4 (15.Bc4 Qh4+-) 15...Qh4 (15...Be6 16.Qf3+-) 16.Nf3 Qe7 17.Nd5 Qd8 18.Ng5 (better 18.Nd4+-) 18...Ba1?? (better 18...h6 19.Nf3 Be6= (worse 19...Ba1 20.Qa1 Rg8 21.Nf6 Kf8 22.Ng8 Kg8 23.Nd4+-)) 19.Qa1+- Threatening mate: Qxh8 19...Rf8 (19...Rg8 20.Nf6 Ke7 21.Nfh7 Ke8+-) 20.Nf6 Qf6 (20...Ke7 21.Nd5 Ke8 22.Qg7+-) 21.Qf6 h6 (21...Be6+-) 22.Nh7 Rg8 23.Bc4 Be6 (23...d5 24.Bd5 Rg7 25.Qg7 Nd7 26.cd7 Kd7 27.Bc6 Ke6 28.Qe5) 24.Be6 fe6 (24...Rg7 25.Qg7 Nd7 26.cd7 Kd8 27.Qf6) 25.Qe6 Kd8 26.Qg8 Ke7 27.Qf8 (27.Qg7 Ke6 28.Nf8 Kd5 29.Qd4) 27...Ke6 28.Qg8 (28.Qe8 Kd5 29.Rc1 Nd7 30.Qf7 Ke4 31.Qc4) 28...Ke7 29.Qg6 (29.Qg7 Ke6 30.Nf8 Kd5 31.Qd4) 29...d5 (29...Nd7 30.Qg7 Ke6 31.Qd7 Kd5 32.Qf7 Kc5 33.Rc1 Kb4 34.Rb1 Ka4 35.Qa2) 30.Qf6 Ke8 31.Qf8 1–0. MARYMARY – nelly_the_pawn, ChessWorld.net, 2015.

3.c4 Bg7 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7).

3.d4 d6 4.c4 (4.Nf3+=) 4...e5 (4...Bh6!?+=) 5.de5= de5 6.Qc2?? (better is 6.Qd8 Kd8 7.a3=) 6...Bb4-+ 7.Nc3 Bc3?? (better is 7...Nc6!? 8.Rd1 Qe7-+) 8.Bc3 (8.Qc3 Nc6 9.Nf3 Ne4-/+) 8...0-0-/+ 9.e4 (9.Nf3 Bf5 10.Qb2 Nc6-/+) 9...a6 (9...Nc6 10.Nf3 Bg4 11.Be2-/+) 10.Be5 (10.Nf3!? Nc6 11.Ne5+=) 10...Nbd7-/+ 11.Bb2 (better is 11.0-0-0 Qe7 12.Bf6 Nf6 13.f3-/+) 11...c6?? (11...Ne4 12.Bd3 (worse is 12.Qe4 Re8 13.Qe2 Re2 14.Be2 Qe7-+) 12...Re8 13.Be4-/+) 12.g3 (12.f3 Qc7=) 12...b5 (12...Ne4 13.0-0-0 (13.Qe4?? Re8 14.Qe8 Qe8 15.Ne2 Ne5-+) 13...Re8 14.Bg2-/+) 13.e5 (13.Bg2 Qa5 14.Kf1+=) 13...Nh5 (13...Qa5!? 14.Qd2 Qd2 15.Kd2 Ng4-/+) 14.Bg2 (14.Nf3 Nc5 15.Nd4 Qa5 16.Bc3 Qc7=) 14...Bb7 (14...Nc5 15.Rd1 (15.Bc6? Nd3 16.Kf1 Nb4-+) 15...Qa5 16.Qc3+=) 15.cb5 (15.Rd1 Qe7 16.Nf3 Nb6+=) 15...ab5= 16.Nf3 (16.Bc6?? Rc8 17.Nf3 Bc6-+) 16...c5 (16...Qa5 17.Qd2=) 17.Rd1 (better is 17.0-0!?+=) 17...Ra2+= 18.0-0 Ng7 (18...Qe7 19.Qb1 Rfa8 20.Rd6=) 19.Qc3 (better is 19.Qb3 Ra5 20.Qd3=) 19...Ra6?? (better is 19...Ne6 20.Qb3 Ra5+=) 20.e6!+- Nf6 (20...Re6 21.Qg7; 20...fe6 21.Qg7; 20...Ne6 21.Qh8) 21.Rd8 (21.Qf6?! Qf6 22.Bf6 Ne6+/-) 21...Rd8 22.Qf6 Kf8 (22...Rd4 23.Qf7 Kh8 24.Qf8) 23.Qf7 1–0. Benreguia,Frederic – Cavaille,Cedric, FICGS, 2012.

3.e3 a6 4.Nf3 Bg7 5.c4 c6 6.d4 d6 7.Nc3 0-0 8.Be2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Nbd7 12.0-0 e5 13.de5 de5 14.e4 Qc7 15.b5 Nc5 16.Qc2 Bg4 17.Rd1 Bf3 18.Bf3 h5 19.Bb2 Ng4 20.h3 Nf6 21.Ba3 Nfd7 22.Na4 b6 23.bc6 Qc6 24.Nc5 Nc5 25.Bc5 bc5 26.Rd5 Rc8 27.g4 hg4 28.Bg4 Rb8 29.Qd1 Qb6 30.Kg2 Qb4 31.Qe2 Rf8 32.Rd7 Qc3 33.Qd3 Qc1 34.Qd5 Qf4 35.Qd2 1–0. Chess4Win (1780) – OSOSA_1968 (1760), lichess.org, 2020.

3.e3 b5 4.Bb5 Ba6 5.Ba6+- Na6 6.a3 (6.Bf6 ef6 7.a3 c6+-) 6...Bg7+/- 7.Nf3 0-0 8.d4 c6 9.c4 Nc7 10.Nbd2 d6 (10...a5 11.0-0+/-) 11.0-0 a5 12.Qc2 ab4 13.ab4 Rb8 (13...Qd7 14.e4+/-) 14.Bc3+- Nd7 15.Rfb1 (15.Ra5 Nb6+-) 15...e5 (15...Nb6 16.Rd1+-) 16.Ne1 (16.Ra7 Ra8 17.Ra8 Qa8+-) 16...Qe7 (16...ed4 17.Bd4 Bd4 18.ed4+/-) 17.Nd3 f5 18.de5 de5 19.e4 f4 (19...Rfc8 20.Re1+-) 20.f3 (20.Ra7 Rfc8+-) 20...Ne6 21.Nb3 Rfd8 22.Ra7 Ra8 23.Rba1 (23.Na5 Ra7 24.Nc6 Qd6 25.Na7 Nb6+-) 23...Ra7+/- 24.Ra7 Qd6 25.Nbc1 Nb6?? (25...c5 26.b5+/-) 26.Qb3 (26.c5 Qb8 27.Re7 Nd4 28.Qa2 Nd5 29.ed5 cd5 30.Bd4 ed4+-) 26...Qb8?? (26...Nd4 27.Qa2 Nc8 28.c5 Qe6 29.Qe6 Ne6 30.Ra8+-) 27.Qa3 (better 27.Rg7 Ng7 28.c5 Nd5 29.Be5+-) 27...Nc7 (27...Kh8 28.Qa2+-) 28.Nb2 (better 28.Qa5+-) 28...Nca8?? (28...Nc4 29.Qa2 Kh8 30.Nc4 Rd1 31.Kf2 Rc1 A) 32.Be5?? Be5 33.Rc7 Bd4 (33...Bc7?! 34.Qb2 Kg8 35.Qc1=; worse 33...Qc7 34.Ke2-+) 34.Ke2 Qc7-+; B) 32.Ra3+/-) 29.Kf2?? (better 29.c5 Nc7 30.cb6 Nb5+-) 29...Qd6?? (better 29...Nc7!?+/-) 30.Ke2 (30.c5 Qb8 31.cb6 Qb6 32.Kf1 Nc7 33.Qa2 Kh8+-) 30...Qe6? (30...Qb8 31.c5 Nc7 32.cb6 Nb5 33.Qb3 Kh8+-) 31.c5 Nc4 (31...Qe8+-) 32.Qa2 (32.Ra8?! Na3 33.Rd8 Kf7=) 32...Bf8 33.Ra8 (better 33.Nc4 Rc8 34.Be5+-) 33...Qd7 (33...Ra8 34.Qa8 Nb2 35.Bb2 Qc4 36.Kd1 Qf1 37.Kd2 Qf2 38.Ne2 Qe3 39.Ke1 Qb3 40.Be5 Qb4 41.Kf1 Qb1 42.Kf2 Kf7 43.Qc6 Qb3 44.Qd7 Kg8+-) 34.Rd8 Qd8 35.Qc4 Kg7 36.Ncd3 (better 36.Be5 Kh6 37.Bf4 Kg7 38.Be5 Kh6+-) 36...Qe7 37.Ne5 Qf6 38.Nc6 Be7 (38...Be7 39.Ne7 Qc3 40.Qc3 Kf7 41.Nd5 Kg8 42.Qf6 h5 43.Ne7 Kh7 44.Qg6 Kh8 45.Qg8). ClayPigeons (2145) - maelstr9m (2095), Rated Bullet game, lichess.org, 2019.

3.e3 Bg7 (--> 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7).

3.e3 h5 4.Nf3 Bg7 5.b5 Rh7 (better 5...0-0!?=) 6.Ng5 Rh6 7.Be2 a6 8.a4 c6 (8...ab5 9.ab5 Ra1 10.Ba1+=) 9.0-0 Qc7 (9...ab5 10.ab5 Ra1 11.Ba1+-) 10.f4 (10.Nc3 Kf8+-) 10...cb5? (better 10...ab5!? 11.ab5 Ra1 12.Ba1 h4+-) 11.ab5+- d6 12.c4 Bg4 13.Nc3 Nbd7 14.Nd5 Qc8 15.Bg4 hg4 16.Bf6 Nf6?? (better 16...Bf6 17.Ra4 Kf8+-) 17.Nb6 Qb8 18.Na8 Qa8 19.ba6 ba6 (19...Nd7 20.Ra5 Bf6 21.a7+-) 20.Qa4 Kf8 21.Qa6 Qa6 22.Ra6 Ne8 (22...Kg8 23.Ra7 Bf8 24.d4+-) 23.Rb1 Bf6 (23...f6 24.Ne6 Kf7 25.Nd8 Kg8+-) 24.Rb8 Bg5 25.fg5 Rh8 (25...Rh5 26.Raa8 Kg7 27.Re8 Rg5 28.Re7 Rc5+-) 26.Raa8 Kg7 27.Re8 Re8 28.Re8 e5 29.d4 ed4 30.ed4 f5 (30...g3 31.hg3 Kh7 32.c5 Kg7 33.cd6 f6 34.d7 fg5 35.d8Q Kh6 36.Rh8 Kg7 37.Qf8) 31.c5 dc5 (31...Kf7 32.Re1 dc5 33.dc5 Kf8 34.c6 Kf7 35.c7 g3 36.c8Q gh2 37.Kh2 f4 38.Qd8 f3 39.Re7) 32.dc5 f4 (32...Kf7 33.Re5 g3 34.c6 gh2 35.Kh2 f4 36.c7 f3 37.c8Q f2 38.Qe8 Kg7 39.Re7) 33.c6 f3 (33...Kf7 34.Re5 f3 35.c7 f2 36.Kf1 g3 37.c8Q gh2 38.Qe8 Kg7 39.Re7) 34.c7 f2 (34...g3 35.c8Q f2 36.Kf1 gh2 37.Qd7) 35.Kf1 (35.Kf1 g3 36.c8Q gh2 37.Qd7) 1–0. DEFFM – GuestTNST, freechess.org, 2019.

3.e4 Ne4?? 4.Bh8+- e6 5.Qf3 Nd6 (5...d5 6.a3+-) 6.c4 Nc6 (6...Nf5 7.a3+-) 7.b5 Nd4 (7...Nb8+-) 8.Bd4 Nc4 (8...Nf5 9.Bc3+-) 9.Bc4 Rb8 (9...d5 10.Be2+-) 10.Bf6 (10.Ba7 Ra8 11.Bd4 d5+-) 10...Be7 11.Bh8 (11.Be7 Qe7 12.Qe3 Ra8+-) 11...b6 12.Nh3 (better 12.Nc3!? Bb7 13.Qh3 h5+-) 12...Bb7 13.Qc3 (better 13.Qg3 Bh4 14.Qe3 Bg2+-) 13...d6 (13...Bg2 14.Rg1 Bb7 15.Be5+-) 14.Qg7 (better 14.0-0 d5 15.Be2 f6+-) 14...Kd7 (14...d5 15.Be2 Kd7 16.Ng5 Qh8 17.Qh8 Rh8 18.Nf7+-) 15.f3 (better 15.Qf7 Qh8 16.Be6 Kd8 17.0-0+-) 15...Bf6 (15...Qh8 16.Qh8 Rh8+-) 16.Qf7 Be7 (16...Qe7 17.Be6 Kd8 18.Qg8 Qe8 19.Bf6) 17.Be6 1–0. MARYMARY – onil, ChessWorld.net, 2012. (=1.e4 g6 2.b4 Nf6 3.Bb2 Ne4??)

3.Nf3 c6 4.g3 a5 5.a3 ab4 6.ab4 Ra1 7.Ba1 Qb6 8.c3 Bg7 9.Bg2 0-0 10.0-0 Re8 11.d3 d5 12.Nbd2 Nbd7 13.Qb3 e5 14.c4 (48.) 1–0. Sigurjonsson – German, Lugano 1969.

3.Nf3 Rg8 4.c4 e6 5.a3 Be7 6.e3 Ng4 7.d4 d6 8.Be2 Bd7 9.0-0 Bc6 10.Nbd2 Nd7? (10...d5 11.b5 Bd7 12.Qb3+/-) 11.e4 (better is 11.d5!? ed5 12.b5+-) 11...Nb6 12.d5 Ba4 13.Qc1 ed5 14.ed5 Bf6 15.Bf6 Nf6 16.Re1 Bd7 17.Ng5 Kf8 18.Nde4 Ne4 19.Ne4 Qh4 20.Bf3 Re8 21.Ng3 (better is 21.c5 Nd5 22.cd6 cd6 23.Nd6 Re1 24.Qe1+-) 21...Re1= 22.Qe1 a5 (better is 22...Nc4!? 23.Qc3 b5=) 23.ba5 Nc8 24.Qe2 b6 25.ab6 Qd4 26.Rd1 Qb6 27.Qc2 Qc5 28.a4 (28.Qc1 Qa5+-) 28...h6 29.Ra1 Qd4 30.Ra2 Ne7 31.a5 Qe5 32.a6 Qe1 33.Nf1 Bf5 34.Qe2 (better is 34.Qb2!? Nc8 35.a7 Na7+-) 34...Qe2 35.Be2 Kg7 36.Ne3 Rb8 37.Nf5 gf5 38.Bd3 f4 39.Ra5 Kf6 40.c5 Ra8 41.cd6 cd6 42.Ra2 (42.Kf1!? f3+-) 42...Rc8 43.a7 Ra8 44.Bb5 (better is 44.Ra4+-) 44...h5?? (better is 44...Nc8+=) 45.Bc6+- Nc6 46.dc6 Re8 (46...Ke6+-) 47.h3 d5 (47...Ra8 48.c7 Ke6+-) 48.a8Q Ra8 49.Ra8 f3 50.gf3 Ke5 51.c7 Kf4 52.c8Q d4 (52...Ke5 53.Qc7 Kf6 54.Qf4 Ke7 55.Ra7 Ke6 56.Ra6 Ke7 57.Qd6 Ke8 58.Ra8) 1–0. Bonetti,Shane – MacChess 5.0, 2000.

3.Nf3 h5 4.e4 Ne4?? (better is 4...h4+= 5.Nc3 Bg7 (5...h3 6.g3 d6 7.Bc4 Nc6 8.b5 Na5+=) 6.Nd5 h3 7.g3 c6 8.Nf6 ef6=; 4...Bg7 5.Bc4 c6 (5...Nc6 6.Bc3 a6 7.0-0 d6 8.a4 e5+=) 6.e5 Nd5 7.Bd5 cd5 8.Nc3 d6+=) 5.Bh8+- 1–0. guest579 – guest61, ICC, 1999.

3.f4 d6 4.Nf3 Bg7 5.c4 (5.Nc3 0-0=+) 5...0-0 6.Nc3 c6 (6...Re8 7.e3=+) 7.h3 (7.e3!?=) 7...Nbd7 8.g4 e5 9.f5? (9.fe5 Ne5 10.Ne5 de5-/+) 9...e4-+ 10.Nh4 (10.Nd4 c5 11.bc5 Ne8-+) 10...Nh5 11.Ng2 Ng3 12.Rg1 Be5 (12...a5 13.a3-+) 13.Qb3 Nf1 (better 13...a5!? 14.Nd1 Qe7-+) 14.Kf1 Re8 15.h4 (15.Na4 Qf6 16.Ne3 Qh4-/+) 15...Nb6 (15...a5 16.a3-+) 16.h5 d5 (16...gf5?! 17.gf5 Bf5 18.c5 dc5 19.bc5-/+) 17.hg6 hg6 18.cd5 cd5 19.Ne3 (19.Rd1 Qg5 20.Nb5-+) 19...d4 20.Ne4 (20.Ncd1 de3 21.Ne3 Qf6-+) 20...de3 21.Nc5 (21.Be5 Re5 22.Qe3 Nc4-+) 21...Qd5 (better 21...Bb2 22.Rd1 ed2-+) 22.Qe3 (22.Qd5 Nd5 23.Be5 Re5 24.de3 Ne3 25.Kf2-+) 22…Nc4 (22...Nc4 23.Qd3 Qd3 24.Nd3 Nb2 25.Ne5 Re5-+) 0–1. De Moraes,Maurino Anastacio (1740) – Goncalves,RLA, Aberto Copercampos, 2011.

3.g3 e5 4.Be5 Nc6 5.Nf3 (5.Bf6 Qf6 6.Nc3 Nb4=) 5...Bb4 (5...Ne5 6.Ne5 Bb4 7.c3+=) 6.Bg2 (6.Bb2 d5=) 6...d6 (6...Ne5 7.Ne5 d5 8.c4+=) 7.Bc3 0-0 8.0-0 Bg4 (8...Bc3 9.Nc3 Re8 10.Rb1=) 9.Bb4 Nb4 10.Nc3 (10.c4 Qe7=) 10...c5 11.Rb1 Qe7 12.Re1 Rfe8 13.h3 Bf3 (13...Be6 14.a3 Na2 15.Na2 Ba2 16.Rb2=) 14.Bf3 Nc6 15.Nd5 Nd5 16.Bd5 Qd7 17.c3 Rab8 18.Kg2 Kg7 19.d4 b5 20.Qd3 ½–½. Janek – AxelG, internet, 2017.

3.g4 b6 4.Bg2 d5 5.g5 Nh5? (5...c6+-) 6.Bh8 f6 (6...e6 7.Nh3 Bb4 8.e4+-) 7.gf6 (7.e4 Nf4 8.Bf3 fg5 9.ed5 Bb7+-) 7...ef6 8.Nc3 (8.c4!? Nf4 9.Bf3 Kf7+-) 8...Bb7 9.a3 (9.Qb1 Kf7 10.Bf3 Kg8 11.Bh5 gh5 12.Bf6 Qf6+-) 9...Nf4 (9...Kf7 10.Bf3+-) 10.Bf3 Kf7 11.e3 Ne6 12.e4 (12.h4!? Be7+-) 12...Bd6 13.ed5 Ng5 (13...Nf4 14.Bf6 Qf6 15.Be4+-) 14.Bf6 Qf6 15.h4 Nf3 16.Qf3 Qf3 (16...Nd7 17.Rh3+-) 17.Nf3 Nd7 18.0-0-0 (18.Ng5 Kg7 19.Rh3 Nf6+-) 18...h6 19.Kb2 Ne5 (19...a5 20.b5+-) 20.Ne5 Be5 21.d4 Bg7 (21...Bf6 22.f4+-) 22.Rhe1 (22.h5 Rd8+-) 22...Rd8 23.Nb5 (23.Rd3 Bd5 24.Nd5 Rd5 25.Rf3 Bf6+-) 23...a6 (23...Rd5 24.Nc7 Rd4+-) 24.Nc7 Rd7 25.Ne6 Bd5 26.Ng7 Kg7 27.f4 a5 (27...Kf6 28.Re5+-) 28.Re5 (28.ba5 ba5 29.Re5 Kf6+-) 28...a4 29.Rde1 h5 (29...Kf6 30.Kc3+-) 30.Rg5 (better 30.Re7 Re7 31.Re7 Kf6+-) 30...Rf7 (30...Kf6 31.Ree5 Be6 32.d5+-) 31.Ree5 White prepares the advance f5 (better 31.Rd5!? Rf4 32.Re7 Kh6+-) 31...Bc4 32.f5 Kf8 (32...Rf6 33.d5 Ba6 34.Re7 Kh6 35.Re6+-) 33.Rg6 (33.fg6!? Rd7 34.Kc3 Ba2 35.Rh5 Rc7 36.Kd2 Rc6 37.Rhf5 Kg7+-) 33...b5 34.f6 Be2 (34...Rh7+-) 1–0. Delboy Smith (1800) – lamman (1670), ChessWorld.net, 2009.

3.g4 d5 4.g5 Bg7 5.gf6 Bf6 6.Bf6 ef6 7.Bg2 0-0 8.e3 Nc6 9.a3 b5 10.Nc3 Rb8 11.Nd5 a5 12.ba5 Na5 13.d3 c6 14.Nb4 c5 15.Nc6 Nc6 16.Bc6 Qd6 17.Qf3 b4 18.ab4 cb4 19.Ra8 Ra8 20.Ba8 b3 21.cb3 Qb4 22.Ke2 Bg4 23.Bd5 Bf3 24.Nf3 Rd8 25.Bc4 f5 26.h4 f4 27.e4 Qc3 28.h5 Qc2 29.Nd2 g5 30.h6 f3 31.Ke3 Qc3 32.Nf3 Kf8 33.Ng5 Qd4 34.Ke2 f5 35.Nh7 Ke7 36.Rg1 Qb2 37.Ke3 f4 38.Kf3 Kd6 39.Rg6 Kc5 40.Nf6 Kd4 41.Rg8 Rg8 42.Ng8 Qc1 43.h7 Qh1 44.Kf4 Qh7 45.Ne7 Qe7 46.e5 Qh4 47.Kf3 Qh5 48.Kg2 Qe5 49.f3 Qe2 50.Kg3 Qe5 51.f4 Qe3 52.Kg4 Qg1 53.Kf5 Qb1 54.Ke6 Qa1 55.f5 Qa5 56.f6 Qe5 0–1. adabriwala – mosenias, lichess.org, 2019.

3.g4 Nd5 4.Bh8 f6 5.a3 Bh6 6.c4 Nb6 7.c5 Nd5 8.Bg2 Nf4 9.Bf3 Kf7 10.Bf6 ef6 11.Qb3 Kf8 12.e3 Ne6 13.Bd5 c6 14.Be6 de6 15.d4 Qe7 16.Nf3 Nd7 17.Nc3 f5 18.gf5 gf5 19.0-0-0 Nf6 20.Ne2 Ne4 21.Rhf1 Bd7 22.Ne5 b6 23.Nd7 Qd7 24.f3 Nf6 25.Kb2 Nd5 26.e4 Ne3 27.ef5 Nd1 28.Rd1 ef5 29.d5 Bg7 30.Ka2 cd5 31.Rd5 Qf7 32.Ng3 f4 33.Rf5 Bf6 34.Qf7 Kf7 35.Nh5 Kg6 36.Rf6 Kh5 37.Rf4 Kg5 38.Rg4 Kf5 39.Rg7 h6 40.c6 a6 41.c7 Rc8 42.Kb3 Kf4 43.Rg6 Rc7 44.Rh6 a5 45.ba5 ba5 46.Ra6 Kf3 47.Ra5 Rb7 48.Kc4 Kg4 49.a4 Kh3 50.Rh5 Kg4 51.Rh8 Ra7 52.Kb5 Rb7 53.Ka6 Rg7 54.a5 Rg6 55.Kb7 Rg7 56.Kc6 Rg6 57.Kb5 Rg5 58.Kb4 Rg7 59.a6 Ra7 60.Kb5 Kg5 61.h4 Kg6 62.h5 Kg7 63.Rb8 Kh6 64.Rb7 Ra8 65.Kb6 Kh5 66.a7 Kg6 67.Rb8 Black resigned 1–0. mckenna215 (1945) – nickbarletta, ChessWorld.net, 2012.

3.g4 Ng4 4.Bh8 Nf6 5.Bf6 ef6 6.b5 b6 7.Bg2 c6 8.e3 Be7 9.c4 c5 (9...a6+-) 10.Ba8 Nc6 (10...Kf8 11.Nf3+-) 11.bc6 dc6 12.Bc6 Bd7 13.Qa4 Bc6 14.Qc6 Qd7 15.Qd7 (15...Kd7 16.Nc3+-) 1–0. valpa – Idris, playchess.de, 2003.

3.Nh3 d5 4.g3 e5 5.Be5 Nc6 6.Bb2 Bb4 7.Bg2 Bf5 8.Nf4 0-0 9.h3 d4 10.0-0 Qd6 11.c3 Bc5 12.e3 de3 13.de3 Rad8 14.Qd6 Rd6 15.Bc6 Rc6 16.Na3 g5 17.Ng2 Bh3 18.Nc4 Be6 19.Ne5 Rb6 20.Rfb1 Rd8 21.a4 Bf5 22.a5 Rb3 23.Kh2 Bb1 24.Rb1 Rd2 25.Bc1 Rb1 26.Bd2 Ne4 27.Be1 b5 28.Nd7 Rb2 29.f3 Be3 30.fe4 c5 31.Nf6 Kg7 32.e5 Bf2 33.Bf2 Rf2 34.g4 Ra2 35.Ne4 b4 36.cb4 cb4 37.Kg3 1–0. Preston,William – Tammik,K, MCO, 1997.

3.h4 d6 4.e3 Bg7 5.Be2 b6 6.Bf3 c6 7.g4 Qc7 8.g5 Nh5 9.Qc1 e5 10.Qd1 Nd7 11.a4 Bb7 12.Na3 0-0-0 13.c4 a6 14.Rh3 h6 15.b5 Nc5 16.Bc3 d5 17.cd5 cd5 18.ba6 Ba6 19.Nb5 Bb5 20.ab5 d4 21.ed4 ed4 22.Ra8 Kd7 23.Bc6 Ke7 24.Qe2 Be5 25.Bd4 Nf4 26.Be5 Ncd3 27.Kf1 Ne5 28.Qe4 Ra8 29.Qd4 Nh3 30.Nh3 Nc6 31.Qf6 Kd7 32.Qf7 Kd6 33.Nf4 Qf7 0–1. Bendit – Sloan, 1962.

3.h4 h5 4.e3 Bg7 5.c4 d6 6.Bd3 (6.d4 a5=) 6...e5 7.Qc2 Nc6 8.b5 (8.a3!?=+) 8...Nb4-/+ 9.Qc3 Nd3 10.Qd3 Bf5 11.Qe2 0-0 12.Nc3 (12.Nf3 a6-/+) 12...d5 13.cd5 Nd5 14.Nd5 Qd5 15.Nf3 Bd3 16.Qd1 Bb5 (16...Qb5 17.Qb3 Qb3 18.ab3-+) 17.Qb3 Bc4 18.Qc3 Rfe8 19.Rd1 (19.Rc1 b5-+) 19...Bd3 20.Rh3 (20.a3 c5-+) 20...b5 (20...c5 21.Rg3-+) 21.a3 (21.Qc7 e4 22.Nd4 Qa2-+) 21...a5 (21...c5 22.Rg3-+) 22.Rg3 (22.Qc7 b4 23.ab4 ab4-+) 22...Rab8 (22...c5 23.Rc1 c4 24.Ra1-+) 23.Ng5 (better 23.Qa5 c5 24.Rc1-+) 23...b4 24.ab4 ab4 (24...Rb4 25.Nh3-+) 25.Qc1? (25.Qc7 Rb7 26.Qc1-+) 25...c5 26.f3 c4 27.e4 (27.Nh3 b3 28.Qc3 Qd4-+) 27...Qc5 28.f4 (28.Nh3 Bf6 29.Rg5-+) 28…Qg1 0-1. Gehaktbalmetjus (2060) - The_Clairvoyant (2100), Rated Bullet game, lichess.org, 2020.

3.a3 d5

4.e3 Bg7 5.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 d5 5.a3).

4.Nf3 Bg7!?=.

3.Qc1 Bg7

4.a3 0-0 5.c4 d6 6.d4 Bf5 7.Nd2 Nbd7 8.Ngf3 c5 9.e3 cb4 10.ab4 b6 11.d5 e6 12.Nd4 ed5 13.Nc6 Qe8 14.cd5 Nd5 15.Bg7 Kg7 16.Qb2 N5f6 17.Bb5 Qe5 18.Nd4 a6 19.N2f3 Qe8 20.Bc6 Rc8 21.Bd7 Nd7 22.Nf5 Kg8 23.Qg7 1–0. Adamkosh (1875) – andihari (1905), lichess.org, 2020.

4.Nf3 0-0 5.e3 d5 6.c4 c6 7.a3 Nbd7 8.Be2 Re8 9.0-0 e5 10.cd5 cd5 11.Nc3 e4 12.Nd4 Ne5 13.f4 Nd3 14.Bd3 ed3 15.Qb1 Bf5 16.Qa2 Ne4 17.Nd5 Nd2 18.Nf5 Nf1 19.Nfe7 Re7 20.Ne7 Qe7 21.Bg7 Qe3 22.Kh1 Nd2 23.Qb2 Ne4 24.h3 Qg3 25.Bh8 Nf2 26.Kg1 Nh3 27.Kh1 Nf2 28.Kg1 Nh3 29.Kf1 f6 30.Bf6 Nf4 31.Qb3 1–0. Adamkosh (1895) – mgoynuguzel (1930), lichess.org, 2020.

3.c4 b6

4.Nc3 Bg7 5.Nf3 Bb7 6.e3 0-0 7.d4 d6 8.Be2 Nbd7 9.0-0 c5 10.dc5 bc5 11.b5 Ng4 12.a4 Nge5 13.Nd5?? Nf3-+ 14.Bf3 Bb2 15.Rb1 Bd5 16.Bd5 Bg7 17.Ba8 Qa8 18.a5 e6?? 19.Qd6+= Rd8 20.Qg3 Ne5+= 21.Rfc1 Rd2 22.h3 Qe4 23.b6 ab6 24.ab6 Nd7 25.b7 Be5 26.f4? Bb8 27.Rb3 e5 28.Qh4?? Qg2 0–1. alaamattar (2185) – kpadfield (2105), net–chess.com, 2011.

4.e3 Bb7 5.Nf3 Bg7 6.Be2 c6 7.0-0 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 0-0 11.d4 d5 12.c5 bc5 13.dc5 Ba6 14.Ba6 Na6 15.Bc3 Qb8 16.Nd4 Nb4 17.Qd2 Ne4=+ 18.Qe1 Nd3 19.Qe2 Ndc5 20.Nc6 Qc7 21.Nd4 Rc8 22.Nb5 Qc6?? 23.Bg7+/- Kg7 24.Qb2?? f6?? 25.Nd4?? Qd7 26.Rc1?? Nd3-+ 27.Rc8 Nb2 28.Rb8 Qa4 29.Rb2 Qd1# 0–1. cogit – bruce1977, kurnik, 2012.

3.c4 d5

4.cd5 Qd5 5.Nc3 Qd8 6.e3 Bg7 7.Nf3 0-0 8.d4 Nc6 9.b5 Na5 10.Bd3 Be6 11.Qe2 c6 12.a4 cb5 13.ab5 Rc8 14.0-0 b6 15.Ng5 Bg4 16.f3 Bf5 17.Bf5 gf5 18.Rfd1 Bh6 19.f4 Bg5 20.fg5 Nd5 21.Rdc1 (21.Nd5 Qd5 22.Rdc1 Rfd8+=) 21...e6 (21...Nb3!? 22.Nd5 Nc1+/-) 22.Nd5+= Qd5 23.Rc3 Rc4 24.e4 (24.Rc4 Qc4 25.Kf2 Rc8 26.Qc4 Rc4+= (worse is 26...Nc4 27.Rc1+=)) 24...Qd4 (24...Qe4 25.Re3 Qc2 26.d5 ed5 27.Bf6 Qe2 28.Re2-/+) 25.Re3+= Qc5 26.Ba3 Qe5 27.Rd1 Rfc8 28.ef5 Qf5 (28...Qb5 29.fe6 Qe8 30.ef7 Qf7 31.Re7+-) 29.Red3 Nb7 (29...Qg5? 30.Rg3 Qg3 31.hg3+-) 30.Rf3 (30.Rd7 R4c7+=) 30...Rf4 (better is 30...Qb5!? 31.Be7 a5-/+) 31.Rd7= Rf3 (31...Nc5 32.Ra7 Ne4 33.Rf4 Qf4 34.Bb2=) 32.Qf3 Qb1 (32...Qf3!? 33.gf3 Na5=) 33.Rd1+= Qc2 34.Rc1 Qc1 35.Bc1 Rc1 36.Kf2 Rc2 37.Ke1 Rc1 38.Kd2 Rc7 39.Qf4 Rd7 40.Ke3 Nd6 41.g4 e5 (41...Nb5? 42.Qb8 Kg7 43.Qe5 Kg8 44.Qb5+-) 42.Qf1 Rc7 43.Qd3 Rd7 44.h4 e4 (44...Rd8 45.Ke2 Rd7 46.Qd5+-) 45.Qd5+/- Kf8 46.Qa8 (46.Kf4!? Ke8 47.Qa8 Ke7+-) 46...Ke7+/- 47.Qh8 Rc7 48.Qh7 Rc3 49.Ke2 Rg3 (49...Rc2 50.Kd1 Rh2 51.g6 Rh1 52.Ke2 Rh2 53.Kf1 Rh1 54.Kg2+-) 50.g6 Rg2 51.Kf1 Rg4 52.g7 1–0. poesimannen (1950) – thebullet00 (1960), gameknot.com, 2013.

4.cd5 Qd5 5.Nc3 Qd8 6.e4 Nc6 7.Bb5 Bg7 (7...Bd7!?=) 8.Bc6+= bc6 9.d4 Rb8 10.a3 a5 11.Nf3 ab4 12.ab4 Rb4 13.Ba3 Rb8 14.Ne5 Bb7 (14...Bd7 15.0-0=) 15.Bc5+= Nd7 16.Nd7 Qd7 17.0-0 0-0 18.e5 Ra8 19.Qe2 Rfb8 20.Rfe1 Qe6 21.Qe3 Bc8 22.Qf4 Ba6 23.Qf3 Bf8 24.Ne2 Qd5 25.Qa3?? (25.Qe3 Be2 26.Qe2 e6=) 25...Qb3?? (25...Be2 26.Qa8 Ra8 27.Ra8 Kg7 28.Re2 Qc4+/-) 26.Qb3= Rb3 27.Ra2 Bb7 28.Ra8 Ba8 29.Ra1 Bb7 30.h3 f5 31.Nf4 Kf7 32.Ra7 Bh6 33.Nd3 Bd2 34.Kf1 Rb5 35.Ke2 Ba5 36.Nf4 g5 37.Nd3 Bc8 38.f4 h6 39.g3 (39.Ra8!? Be6 40.Rh8+=) ½–½. tired rook – weBNimzo, ChessWorld.net, 2004.

4.cd5 Qd5 5.Nc3 Qf5 6.e3 Bg7 (6...e5 7.Nf3=) 7.Nf3 b6 (7...Nc6 8.Qa4 0-0 9.b5=) 8.Nd4 (8.Nb5 Kd8 9.Be5+/-) 8...Qe5? (better is 8...Qd7!?+=) 9.Qf3+/- c6 10.Nc6 Bb7?? (better is 10...Qf5 11.Qf5 Bf5+/-) 11.Ne5+- (11.Ne5 Bf3 12.Nf3+-) 1–0. GuestYTKV – GuestXxXx, freechess.org, 2017.

4.cd5 Nd5?? 5.Bh8+- Nb4 6.Bb2 (6.a3 N4c6+-) 6...Bf5 7.Na3 (7.d3 e5+-) 7...N8c6 8.Nf3 Qd6 (8...Qd5 9.d3+-) 9.e3 (9.d3 Bh6 10.Nb5 Qc5+-) 9...Nd3 10.Bd3 Bd3 11.Qa4 (11.Qb3 e6+-) 11...0-0-0 (11...Qb4 12.Qb3 Qb3 13.ab3+-) 12.Rc1 (12.Nb5 Bb5 13.Qb5 a6+-) 12...Kb8 (12...Qb4 13.Qb3+-) 13.Nd4 Nb4 14.Rc3 (better 14.Bc3 e5 15.Nf3 Na2 16.Ra1 Nc3 17.dc3+-) 14...e5 15.Nf3 g5? (15...Ba6 16.Qd1 e4+/-) 16.Rb3 g4 (16...Ba6 17.d4 f6+-) 17.Ne5 Bb5 (17...f6 18.Ng4 Bf5+-) 18.Qb4 (better 18.Qa7! Ka7 19.Nb5 Ka6 20.Nd6 cd6 21.Nf7+-) 18…Qd5 (18...Qd5 19.Qd4 Ba4+-). jhonores (2190) - Djabov69 (2060), Rated Blitz game, lichess.org, 2020.

3.c4 e5

4.a3 d6 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.a3 g6).

4.Qb3 d6 5.e3 Be6 (5...Bg7 6.d4=+) 6.Nf3= Nbd7 (6...h6 7.Be2=) 7.Ng5 (7.d4 e4 8.Ng5 Bf5=) 7...Qe7 (7...Bf5 8.d4=) 8.Nc3 (8.Ne6 Qe6 9.d4 Bg7=) 8...c6 (8...0-0-0 9.Ne6 Qe6 10.Be2+=) 9.a4 (9.Ne6 Qe6 10.Be2 Bg7+=) 9...h6 (9...Bg7 10.Ne6 Qe6 11.Be2=) 10.Ne6+= Qe6 11.Bd3 (better is 11.Be2+=) 11...e4 (better is 11...a5!?=) 12.Ne4!+/- Bg7 (12...Qe4 13.Be4) 13.Nf6 Bf6 14.Bf6 Qf6 (14...Nf6 15.0-0+/-) 15.0-0 0-0 (15...a5 16.b5 Nc5 17.Qc2+/-) 16.f4 (16.Be2 a5+/-) 16...c5 (16...Rfe8 17.f5 g5 18.Be2+/-) 17.b5 (17.f5 cb4 18.fg6 Nc5 19.Rf6 Nb3+-) 17...Rab8 (17...Rfe8 18.a5+/-) 18.a5 Ra8 (18...Rfe8 19.f5 g5 20.Qc2+-) 19.Be4 Rfb8? (better is 19...Rab8+-) 20.a6 Rd8 (20...Re8 21.ab7 Rab8 22.Qd3+-) 21.ab7 Rab8 22.Ra7 Nb6 23.Rfa1 (23.f5 Qh4 24.Qd3 d5 25.cd5 c4+-) 23...Qe7 (23...Qe6 24.d3 f5+-) 24.Ra8 (better is 24.Bc6+-) 24...Qe4-/+ 25.Rb8 Rb8 26.Ra6 (26.Rc1 Rb7 27.Qc2 Re7-/+) 26...Rb7 (26...Nc4 27.Ra8 Ra8 A) 28.ba8N? Nd2 29.Qd1 Qe3 (29...Qa8?! 30.Qd2 Qb7 31.Qa5=) 30.Kh1 Ne4-+; B) 28.ba8R?! Qa8 29.Qc4 Qa5+/-; C) 28.ba8Q Qa8 29.Qc4+/-) 27.Qa2? (better is 27.Qc3!?-/+) 27...Rb8 28.Qa5 Nc4 29.Qc7 Qb1 30.Kf2 Qb5 31.Ra7 Rf8 32.Rb7 Qa5 33.d3?? Qa2 34.Kf3 Nd2 35.Kg3 Re8 36.e4 Nf1 37.Kh4 Nh2 38.Qd6 Qg2 (39.Qg6 fg6 40.Rg7 Kg7 41.f5 Nf3#) 0–1. Zylla,Johannes – Ahrens, BSF–VM B–Turnier, 1994.

3.e3 a5

4.b5 b6 5.Nf3 Bg7 6.a4 Bb7 7.Be2 d6 8.0-0 Nbd7 9.c4 0-0 10.d3 e5 11.Nbd2 Nh5 (11...Qe7 12.Qc2=) 12.Ne1 Qg5 13.Ne4 Be4 14.de4 Nhf6 15.f4 (15.Nf3 Qh6+=) 15...ef4 (15...Qh6 16.Bd3=) 16.ef4 Qh6 17.Ra3 Bh8?? (better is 17...Ne4 18.Rh3 Qh3 19.gh3 Bb2=+) 18.Rh3+- Qg7 19.e5 Ne4 20.Bf3 Ndc5 (20...Nec5 21.Ba8 Ra8+-) 21.Nd3?? (better is 21.Qc2 d5 22.cd5+-) 21...Nd3+/- 22.Qd3 Nc5 23.Qd1 Rad8 24.Bd5 Rc8? 25.Rf2+- h5 26.f5 Kh7 27.f6 Qg8 28.Rh5!! (28...gh5 29.Qh5) 1–0. Olsen,Birger – Svendsen,Tony, Vadsosjakken op, 1992.

4.b5 Bg7 5.a4 c6 6.Nf3 Qb6 7.c4 d5 8.d4 dc4 9.Bc4 Nbd7 10.Qb3 0-0 11.Ba3 c5 12.dc5 (12.0-0!?+=) 12...Nc5= 13.Bc5 Qc5 14.Nbd2 Ng4 (14...Bg4 15.Rc1 e6 16.Nd4=) 15.Rc1+= Ne5?? (15...Qd6 16.Ne4 Qb4 17.Ke2+=) 16.0-0 (better 16.Bf7 Rf7 17.Rc5+-) 16...Nc4= 17.Rc4 Qh5 (better 17...Qb6 18.Qa3 Be6+=) 18.Rfc1?? (better 18.Rc7+/-) 18...Be6-/+ 19.Nd4 Bd4 20.ed4 Qh4?? (20...Bc4 21.Nc4 Qd5 22.Rd1-+) 21.Qc3?? (better 21.d5 Qg5 22.de6 Qd2 23.Rc7+/-) 21...Bc4-/+ 22.Qc4 Rad8 (22...Qg4 23.h3 Qd7 24.Qd3-+) 23.Nf3-/+ Qg4 24.Qc7?? (better 24.Re1-/+) 24...h5 (better 24...Rc8-+) 25.Qa5 h4 (better 25...Ra8 26.Qb4 Qf4=+) 26.Qe1?? (better 26.h3 Qe6 27.Qb4=) 26...h3-+ 27.Qf1 Kg7 (better 27...Ra8 28.Rc4 Rfc8-+) 28.Ne1? (better 28.Rc7!?-/+) 28...Qd4 (28...Rd4 29.a5-+) 29.Kh1 (better 29.Qe2-+) 29…Qe4 0-1. Gehaktbalmetjus (2090) - nanuka711 (2150), Rated Bullet game, lichess.org, 2020.

4.b5 Bg7 5.Nf3 a4 6.c4 d5 (6...0-0 7.d4=) 7.cd5+= Qd5 8.Nc3 Qd7 (8...Qd6 9.Ne4 Qd8 10.Bf6 ef6 11.d4+=) 9.Bc4 (9.Na4 0-0+/-) 9...0-0+= 10.0-0 (better is 10.d4 a3 11.Bc1+=) 10...e6? (better is 10...a3!? 11.Bc1 Qd6=) 11.Na4+/- c6?? (better is 11...Rd8+/-) 12.Nb6+- Qe7 (12...Qd8 13.Na8 Qa5 14.Nc7+-) 13.Na8 cb5 14.Bb5 Bd7 15.Qa4 Bb5 16.Qb5 Nc6 17.Nb6 Rd8 18.Rac1 1–0. DEFFM – GuestKRPW, freechess.org, 2018.

3.e3 c6

4.Nf3 Bg7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 c6).

3.e3 Nc6

4.a3 Bh6 5.b5 Ne5?? (better is 5...Nb8+=) 6.Be5+- 0-0 7.Nf3 d6 8.Bb2 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 e5 12.c4 Bg4 13.h3 Bf5 14.Nc3 Ne4 15.Nd5 c6 16.d3?? (better is 16.Nc3+-) 16...Qa5+/- 17.Nd2 (17.Ke2 cd5 18.de4 Be4+/-) 17…Nd2+= (18.Bc3 Qd8 19.Qd2 cd5 20.cd5 Qc7+=). aliwood – Austin, 1.b4 internet, 2005.

4.b5 Na5 5.c4 a6 6.Nf3=.

4.b5 Na5 5.c4 c6 6.Nf3 e6 (6...Bg7 7.Bc3=) 7.Bd3 d5 8.bc6 (8.cd5 cd5 9.Bc3 Bg7+=) 8...bc6 (8...Nc6 9.cd5 ed5 10.Bb5=) 9.cd5+= cd5?? (better is 9...ed5 10.Qa4 Bd7+=) 10.Bb5+- Bd7 11.Bd7 Qd7 (11...Kd7 12.Ne5 Ke7 13.Ba3 Ke8 14.Qa4 Nd7 15.Bf8 Rf8 16.Nd7 Qd7 17.Qa5 Qd8+-) 12.Bf6 Rg8 13.Ne5 Qb5 (13...Qc7 14.Qa4 Nc6 15.Nc6+-) 14.Nc3 Qb2 (14...Qb4 15.Rb1 Nb3 16.Nd5 ed5 17.Rb3 Be7 18.Rb4 Bf6+-) 15.Qa4 (15.Qa4 Qb5 16.Qb5 Nc6 17.Qc6) 1–0. DEFFM – GuestGDJG, freechess.org, 2018.

4.b5 Na5 5.c4 d6 6.Nf3 (6.Bf6 ef6 7.d4 a6+=) 6...b6 (6...a6 7.ba6 Ra6 8.Bf6 ef6 9.d4+=) 7.Bd3 (7.Bf6 ef6 8.d4 a6+=) 7...Bb7 (7...Bg7 8.0-0=) 8.0-0 (8.Bf6 ef6 9.0-0 Bg7+=) 8...Bg7= 9.Nc3 0-0 10.Re1 (10.Be2 a6=) 10...e5 (10...a6 11.e4=) 11.e4 c6 (11...a6 12.Qc2=) 12.a4 (12.Rb1 Rc8=) 12...a6 (12...Qd7 13.Rb1=) 13.h3 (13.bc6 Nc6 14.Rb1 Rc8=) 13...Nh5 (13...Nd7 14.Qe2=) 14.g3 (14.bc6 Bc6 15.Bf1 f5=) 14...cb5 (14...f5 15.ef5 gf5 16.Bf1+=) 15.ab5= Rc8 (15...Qd7 16.Kh2=) 16.Ra4 ab5 (16...f5 17.ba6 Ba6 18.Qe2=) 17.Nb5 Bc6 18.Qe2 (18.Ba3 Qd7=) 18...Bb5 (18...f5 19.Ba3=) 19.cb5+= Nb3 (19...Qd7 20.Kh2+=) 20.Bc4 (better is 20.Ra7+=) 20...Qd7?? (better is 20...Na5+=) 21.Bb3+- Qh3 22.Ra7 (better is 22.Ba3 Qd7 23.Ra6+-) 22...Nf6 (22...Nf4 23.Qf1 Qh5+-) 23.Ng5 Qg4 (23...Qh6 24.Nf7 Rf7 25.Rf7+-) 24.Nf7 Qe2 25.Nd6 Kh8 26.Re2 Rcd8 27.Nf7 Rf7 28.Bf7 Ne4 (28...Ne8 29.Be8 Re8+-) 29.Re4 Rd2 30.Ra8 (30.Ra8 Rd8 31.Rd8 Bf8 32.Be5) 1–0. DEFFM – GuestRLWQ, freechess.org, 2018.

4.Nf3 Nb4 5.Ng5 Bg7 6.Qf3?? (better is 6.Ne4-/+) 6...Nc2-+ 7.Kd1 Na1 8.Ba1 0-0 9.Bd3 d5 10.g4 (10.Kc1-+) 10...Bg4 11.Bf6 Bf3 (11...Bf6?! 12.Qg4 c5 13.Rg1-+) 12.Nf3 Bf6 13.Nc3 e5 14.Be2 e4 15.Nd4 Bd4 16.ed4 Kg7 17.Rf1 Kf6 (better is 17...Qf6!? 18.Kc2-+) 18.f3 ef3 19.Rf3 Ke6 20.Re3 Kd6 21.Bf3 c6 22.Na4 f5 (better is 22...Qh4 23.h3-+) 23.Nc5 Rb8 24.Re6 Kc7 25.a4 Re8 26.Kc2 Re6 (better is 26...Qh4 27.Re2 Re2 28.Be2 Re8-+) 27.Ne6 Kd6 28.Nd8 Rd8 29.Kc3 Re8 30.d3 h5 31.Bd1 h4 32.Kb4 h3 33.a5 g5 34.Kc3 f4 35.Kc2 a6 36.Kd2 Re3 37.Bg4 Ke7 38.Bc8 Kd6 39.Bb7?? g4-+ 40.Bc8 Re7 41.Bg4 Re3 42.Kc3 c5 43.dc5 Kc5 44.Kd2 Kd4 45.Kc2 Rd3 46.Bf5 Rc3 47.Kd2 Re3 48.Kd1 Ke5 49.Bc8 Rd3 50.Ke2 Re3 51.Kf2?? d4 52.Ba6 d3 53.Bc8 Ke4 54.Bg4 Kd4 55.Kf1 Ke4 56.Kf2 Kd4 57.Kf1 Ke4 58.Kf2= Kd4 (58...f3 59.Bh3 Re2 60.Kg3 d2 61.Bf5 Kf5 62.Kh4 d1Q 63.Kh3 Qf1 64.Kh4 Rh2 65.Kg3 Rh3) ½–½. TD_6 – babylyub, ICS rated blitz match, 1998.

3.e3 e5

4.Be5 Bb4 5.Nf3 d6 6.Bb2 Bg4 7.Be2 Bf3 8.Bf3 c6 9.0-0 0-0 10.a3 Ba5 11.d4 d5 12.Nd2 Nbd7 13.Rc1 b5 14.Nb3 Bb6 15.Nd2 a5 16.c3 a4 17.e4 de4 18.Ne4 Rc8 19.Qe2 Re8 20.Qd2?? (better is 20.Qc2 Ne4 21.Be4=) 20...Ne4-+ (20...Re4?! 21.Be4 Ne4 22.Qf4-+) 21.Be4 Re4 22.Qf4 Rf4 0–1. ourang – bunusa, kurnik, 2012.

4.Nf3 e4 5.Ng5 Bb4?? 6.Bc4?? d5-+ 7.Bb3 h6 8.Nh3 Bg4 9.Qc1? 0-0 10.Nf4 c6 11.0-0 g5 12.h3 gf4 13.hg4 Ng4 14.f3 ef3 15.gf3? Nf6 16.Kf2 fe3 17.de3 Be7 18.Rh1+= h5?? 19.Qg1 Kh7 20.c4 dc4?? 21.Bc2 Kh6+= 22.Bc1? Ng4?? 23.Qg4+- Bh4 24.Rh4 Qh4 25.Qh4 Nd7 26.e4 Kg7+- 27.Bb2 f6 28.Qh5 Ne5 29.Nd2 Nd3 30.Bd3 cd3 31.Rg1 1–0. elsh1403 (1605) – prety, kurnik, 2011.

3.e3 Rg8

4.c4 Bg7 5.Qb3 d6 6.d4 Nh5 (6...a5 7.Qa4 Bd7 8.b5+=) 7.Nf3+= c5 8.a3 cd4 9.ed4 Nc6 (9...Bf5 10.d5+=) 10.Be2 (10.d5 Ne5 11.Ne5 de5+=) 10...e5 11.d5 Ne7 12.0-0 Nf4 13.Nc3 (13.Re1 Qd7+=) 13...Ne2?? (13...e4 14.Ne4 Ne2 15.Kh1 f5 16.Nf6 Bf6 17.Bf6 Kf7 18.Be7 Qe7+-) 14.Ne2+= Bf5 15.Ng3 b5 (15...Bg4 16.Rfe1+/-) 16.cb5 Qb6 17.a4 Rc8 (17...Bg4 18.Nd2+/-) 18.Rac1 Kd7 19.Ng5 f6 (19...h6 20.Nf5 (20.Nf7?! Rcf8+/-) 20...Rc1 21.Rc1 gf5 22.Nf3+/-) 20.Nf5+- Nf5 (20...gf5 21.Rc8 (21.Nh7?! Rc1 22.Rc1 Rh8+=) 21...Rc8 22.Ne6+- (22.Nh7?! Rh8+=)) 21.Ne6 (21.Nh7?! Rh8 22.Rc6 Rc6 23.dc6 Ke7+-) 21...Bh8 22.Rc6 Rc6 (22...Qb8+-) 23.dc6 Ke7 (23...Ke8 24.Ng5!! d5 25.Qd5 Rg7 26.Qe6 Ne7 27.Qd7 Kf8 28.Ne6 Kf7 29.Be5 g5+-) 24.a5 (better 24.Ng5! fg5 25.Qg8+-) 24...Qb5 25.Nc7 Nd4 (25...Qb8 26.Qe6 Kf8+-) 26.Qg8 (26.Nb5?! Nb3 27.Na7 d5+-) 26...Qc6 27.Qh7 (better 27.Nd5 Qd5 28.Qd5 Ne2 29.Kh1 f5+-) 27...Kd8 28.Rc1 (better 28.Bd4 Qc7 29.Qh8 Kd7 30.Qg7 Kc8 31.Qg8 Kd7 32.Bb6 ab6 33.a6+-) 28...Qc1 (28...Ne2 29.Kh1 Nc1 30.Ne6 Ke8 31.Qg8 Ke7+-) 29.Bc1 1-0. ClayPigeons (2120) - alevkun (2035), Rated Bullet game, lichess.org, 2021.

4.Nf3 e6 5.b5 (5.a3 g5+=) 5...Bg7 6.a4 Qe7 (6...d5 7.Be2+=) 7.Be2 b6 (7...d6 8.d4+=) 8.0-0 (8.a5 ba5 9.Ra5 a6+=) 8...Bb7 9.c4 Ne4 (9...a6 10.d4+=) 10.d4 (10.Bg7 Rg7 11.a5 ba5+-) 10...c5 11.a5 cd4 (11...ba5 12.Nbd2+-) 12.ed4 (12.ab6 ab6 13.Ra8 Ba8 14.ed4 Bb7+-) 12...ba5 13.Qc2 (13.Nc3 a6 14.Ra5 ab5 15.Ra8 Ba8 16.Nb5 Bc6+-) 13...f5 (13...a6 14.b6+=) 14.Ra5 (14.Nbd2 a6 15.Ra5 Nd2 16.Nd2 ab5 17.Ra8 Ba8+-) 14...Qb4 (14...a6!?+-) 15.Ra4 Qe7 16.Nbd2 (16.Nc3 a6+-) 16...Nd2 (16...a6 17.Rfa1+-) 17.Qd2+- Qd6 (17...a6 18.Rfa1+-) 18.Rfa1 (18.c5 Qc7+-) 18...a6 19.c5 Qc7 20.ba6 Na6 (20...Bd5+-) 21.Ba6 Bc6 (21...Bf3 22.gf3 Kf7 23.Bc1+-) 22.R4a3 Ke7 (22...Bf3 23.Rf3 (worse 23.gf3 Kf7+-) 23...Kf7 24.Rfa3+-) 23.Ne5 Be5 (23...Bd5 24.Bc3+-) 24.de5 Rgb8 (24...Kf7 25.Qh6 Rg7 26.Bd4+-) 25.Qh6 Rb2 (25...Rf8 26.Qh4 Ke8 27.Qh7 Rf7 28.Qg6 Bg2 29.Qg2 Qc6 30.Qg8 Rf8+-) 26.Qg7 (26.Qh7 Kf8 27.Qh8 Kf7 28.Qf6 Kg8 29.Rh3 Rb1 30.Rb1 Ra6 31.Rh8) 26...Ke8+- 27.Qh8 Kf7 (27...Ke7 28.Qh7 Kf8 29.Qh8 Kf7 30.Qf6 Kg8 31.Rh3 Rb1 32.Rb1 Ra6 33.Rh8) 28.Qh7 Kf8 29.Qh8 (29.Qg6?! Qe5 30.Qh6 Qg7 31.Qg7 Kg7+-) 29...Kf7 30.Qf6 Kg8 31.Rh3 Ra6 (31...Rb1 32.Rb1 Ra6 33.Rh8) 32.Rh8 1–0. GuestCCXY – GuestPSVR, freechess.org, 2020.

3.e4 c6

4.e5 Nd5 5.a3 Bg7 6.c4 Nb6 7.f4 d6 8.d4 de5 9.fe5 Be6 10.Nf3 Bc4 11.Nbd2 Bf1 12.Rf1 Na4 13.Qb3 Nb2 14.Qb2 0-0 15.Ne4 b6 16.0-0-0 Qd5 17.Nc3 Qc4 18.Kb1 a5 19.b5 c5 20.d5 a4 21.Nd2 Qd3 22.Ka2 Be5 23.Rf3 Bc3 24.Rd3 Bb2 25.Kb2 Nd7 26.Nc4 Rfb8 27.Re1 Kf8 28.Rde3 Re8 29.g4 Rab8 30.g5 f6 31.h4 Kf7 32.Re6 f5 33.Kc3 Rb7 34.Nd6 ed6 35.Re8 Nf8 36.Rd8 Nd7 37.Ree8 Ne5 38.Rh8 Kg7 39.Rhg8 Kf7 40.Rgf8 Ke7 41.Rfe8 Kf7 42.Rf8 Kg7 43.Rg8 Kf7 44.Rgf8 ½–½. karoo54 – xhoni555, kurnik, 2012.

4.e5 Nd5 5.a3 Bg7 6.c4 Nf4 7.g3 Ne6 8.f4 Qb6 9.c5 Qc7 10.d4 0-0 11.Nf3 f6 12.Bc4 Kh8 13.0-0 fe5 14.de5 d6 15.ed6 ed6 16.cd6 Qd7 17.Be6 Qe6 18.Bg7 Kg7 19.Qd4 Kg8 20.Nc3 Nd7 21.Rfe1 Qf6 22.Ne5 b6 23.Ne4 Qf5 24.Nc6 Qf7 25.Ne7 1–0. karoo54 – jaare, kurnik, 2012.

4.e5 Nh5 5.Qf3 Na6 6.Ba6 ba6 7.e6 fe6?? (better is 7...Nf6+=) 8.Bh8+- c5 (8...a5 9.b5! Bb7+-) 9.Qa8 Qc7 (9...cb4 10.a3+-) 10.Nf3 (10.bc5 Qb7 11.Qb7 Bb7+-) 10...c4 (10...cb4 11.a3 b3 12.cb3 Qc1 13.Ke2 Nf4 14.Ke3 Ng2 15.Kd4+-) 11.Bd4 (11.Na3 Qb7 12.Qb7 Bb7 13.Nc4 Bh6+-) 11...Kf7 (11...Qb7 12.Qa7 Qa7 13.Ba7+-) 12.Qa7 (12.Ne5 Kg8 13.Na3 Nf4+-) 12...Qd8 (12...Qa7 13.Ba7 Bb7 14.Bd4+-) 13.Ng5 (13.Ne5!? Kg8+-) 13...Kg8 14.Bb6 Qe8 15.Qc7 Kh8 (15...Bg7 16.Nc3+-) 16.Qd8 (better is 16.Bd4 Kg8+-) 16...Qd8 17.Bd8 1–0. Sweeney,Matthew – Wright,Cameron (1830), Doeberl Cup Major, 2003.

3.e4 Rg8

4.e5 Nd5 5.a3 b6?? 6.c4+- 1–0. DEFFM – GuestYLRR, freechess.org, 2018.

4.e5 Nd5 5.a3 d6 6.c4 (6.d4 Bg7=) 6...Nb6 7.c5 dc5 (7...Nd5 8.d4=) 8.bc5+= Nd5 9.Bc4 (9.Nf3 c6+=) 9...c6 10.Nc3 Nf4 11.Qf3 Ne6 (11...Bh6 12.Nge2 Be6 13.Nf4 Bc4 14.Nd1=) 12.Nge2+= Bg7 13.Ne4 (13.d4+-) 13...Nd7 (better 13...Rf8!?+=) 14.Be6+- fe6 15.d4 b6? (better 15...Qa5 16.Bc3 Qa4+-) 16.Ng5 Rf8 (16...Nf6 17.ef6 ef6+-) 17.Ne6 (better 17.Qc6 Bb7 18.Qb7+-) 17...Rf3+- 18.gf3?? (18.Nd8 Rb3 19.Ne6 Rb2 20.Nc7 (worse 20.Ng7 Kf7=) 20...Kf8 21.Na8 bc5 22.f4+=) 18...bc5?? (better 18...Ne5 19.Nd8 Nf3 20.Kd1 Kd8=+) 19.Nd8+- Kd8 20.0-0-0 (20.f4 Rb8 21.0-0-0 c4+-) 20...cd4 (20...Kc7 21.f4+-) 21.Nd4+- Kc7?? (better 21...Ke8 22.Ne6 Bh6 23.f4 Rb8+-) 22.Ne6 (22.Ne6 Kb7 23.Ng7+-) 1–0. aravind555 – Rubao74, lichess.org, 2018.

4.e5 Nd5 5.a3 d6 6.c4 Nb6 7.c5 dc5 8.bc5 Nd5 9.d4 Nc6 10.Bc4 Be6 11.Nd2 Na5 12.Bb5 Nc6 13.Ne2 a6 14.Bc6 bc6 15.0-0 f6 16.f4 f5 17.Ng3 Ne3 18.Qf3 Nf1 19.Rf1 Rb8 20.Bc3 Bd5 21.Qe2 Qc8 22.h4 Ra8 23.h5 Qe6 24.h6 Bh6 25.Ba5 Kd7 26.Rb1 Ba2 27.Rb7 Rgc8 28.Nf3 Bc4 29.Qd2 Bb5 30.Ng5 Qb3 31.e6 Ke8 32.Nf7 Bg7 33.Ne2 Qd3 34.Qd3 Bd3 35.Nc1 Bc4 36.Ng5 h6 37.Nf3 Be6 38.Bc7 Bd5 39.Be5 Be5 40.Ne5 Rab8 41.Ra7 Rb1 42.Ned3 Bc4 43.Kf2 Bd3 44.Nd3 Rb3 45.Ne5 Ra3 46.Ng6 Ra2 47.Kg3 Kf7 48.Ne7 Kf6 49.Nc8 Rd2 50.Rd7 Ke6 51.Rd6 Kf7 52.Kf3 h5 53.g3 Rd3 54.Kf2 Ke8 55.Kg2 a5 56.Kh3 a4 57.Rc6 Rd4 58.Nd6 Kd7 59.Ra6 Kc7 60.Nf5 Kb7 61.Nd4 Ka6 62.f5 a3 63.Nb3 a2 64.f6 Kb5 65.f7 Kb4 66.Na1 Ka3 67.f8Q Kb2 68.Qf6 Kb1 69.c6 h4 70.gh4 Kc1 71.c7 Kd2 72.c8Q Kd3 73.Qd6 Ke4 74.Qce6 Kf3 75.Qf8 1–0. Adjailton (1805) – fountain91 (1635), lichess.org, 2019.

4.e5 Nh5 5.g3 e6 6.a3 Be7 7.c4 b6 8.Bg2 c6 9.Ne2 Ng7 10.0-0 Bb7 11.d4 Qc7 12.Nd2 d5 13.cd5 cd5 14.Rc1 Qd7 15.Rc2 Nc6 16.Nb3 Rc8 17.Qd3 Nf5 18.Rfc1 Bf8 19.b5 Ne5?? 20.Rc8+- Bc8 21.de5 Ne7 22.Nbd4 Bh6 23.f4 Kf8 24.a4 Kg7 25.Nc6 Nc6 26.Rc6 Bb7 27.Rc3 Rc8 28.Nd4 Kh8 29.Qc2 Rc3 30.Qc3 Bf8 31.Ba3 Ba3 32.Qa3 Qc8 33.Nc6 Bc6 34.bc6 Kg7 35.Qd6 Qa6 36.c7 Qa4 37.h4 Kh6 38.Qf8 Kh5 39.Bf3# 1–0. hal1958 – mrchess, playchess.de, 2004.

3.Nf3 d5

(--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 g6).

4.e3 Bg7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 d5).

4.e3 Bg7 5.d4 0-0 6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d5 6.d4).

3.Nf3 e5

4.Ne5 Bb4 5.e3 d6 6.Bb5 c6 7.Nc6 bc6 8.Qf3 Bf5 9.Bc6 Nc6 10.Qc6 Kf8 11.Bf6 Qf6 12.Qa8 Kg7 13.Qb7 Qa1 14.Qb4 Bc2 15.0-0 Bd3 16.Rc1 d5 17.a4 Re8 18.Qb3 Bf5 19.Qc3 Qc3 20.Nc3 Rc8 21.f3 Bd3 22.Kf2 Rc5 23.Na2 Ra5 24.Nb4 Bc4 25.Ra1 h6 26.Ra3 Bb5 27.Nd5 Ra4 28.Ra4 Ba4 29.Nc3 Bd7 30.d4 a5 31.Ke2 Kf6 32.Kd3 Ke6 33.Kc4 Kd6 34.e4 f6 35.f4 (35...Ke7 36.e5 fe5 37.fe5+-) 1–0. Van Rooijen,Peter (1745) – Manis,Jose, 13. VCC–Open, 2003.

4.Ne5 Bb4 5.Ng4 Be7 6.Nf6 Bf6 7.Nc3 d5 8.e3 Nc6 9.Bb5 a6 10.Bc6 bc6 11.0-0 0-0 12.Na4 Bb2 13.Nb2 Bf5 14.Rb1 Rb8 15.a4 Qe7 16.d3 Qa3 17.Qc1 Rb4 18.Nd1 Qc1 19.Rc1 Ra4 20.Nc3 Rb4 21.Rb1 ½–½. Machete99 (2355) – khmcrafty (2365), ICC, 2002.

3.Nf3 Bh6

4.d3 Bg7 5.e4 h5 6.Be2 c6 7.0-0 d6 8.Nbd2 Bd7 9.c4 Qc8 10.Qb3 Ng4?? (better is 10...h4+/-) 11.Bg7+- Rh7 12.Bb2 e5 13.d4 ed4 14.Nd4 c5 15.bc5 dc5 16.Nb5 Qc6 (16...Bb5 17.cb5 Qe6 18.Nc4+-) 17.Bf3 (better is 17.e5 Qb6+-) 17...a6 (17...Qb6+-) 18.e5 Qb6 (18...ab5 19.Bc6 Nc6 20.cb5 Be6+-) 19.Nd6 Qd6 20.ed6 (20.ed6 Nc6 21.Ne4+-) 1–0. bratek55 (1690) – riza25, kurnik, 2012.

4.e3 Bg7 5.Bc4 d6 6.0-0 c6 7.d4 b5 8.Bb3 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 h5 12.Nbd2 0-0 13.c4 Na6 14.Bc3 bc4 15.Nc4 c5 (15...Bg4!?=) 16.bc5 dc5 17.d5 (17.Qe2 Bb7+/-) 17...Nd5 (17...Qd5!? 18.Qa1 Qb7=) 18.Bg7= Kg7 19.Nce5 Nc3? (better is 19...Nab4=) 20.Qc2+/- Nd5 21.Rd1 Nab4 22.Qb2 f6 23.Nc6 Nc6 24.Rd5 Qb6 25.Qc3 Be6 26.Rd3?? Na5?? 27.Be6+- Qb1 28.Qe1?? Qe1?? 29.Ne1+- c4 30.Ra3 Nb3 31.Bc4 Nd2 32.Be2 Ne4 33.f3 Ng5 34.h4 Ne6 35.Ra7 Re8 36.Nd3 g5 37.hg5 Ng5 38.Nf4 Kh6 39.Kf2 e5 40.Nd5 Kg6 41.Bd3 f5 42.Ra6 Ne6 43.g4 hg4 44.fg4 e4 45.gf5 Kf5 46.Be2 Rf8 47.Ke1 Rh8 48.Kd2 Nc5?? 49.Rf6 Ke5 50.Rf2?? Kd5= 51.Rf5 Kd6 52.Bc4 Rd8 53.Rd5 Kc7 54.Rd8 Kd8 55.Kc3 Kc7 56.Kd4+= Kd6 57.Bd5 Ne6?? 58.Ke4 Nc5+/- 59.Kd4 Ne6?? 60.Kc4 Nc5 61.e4 Ne4 62.Be4 ½–½. bratek55 (1670) – riza25, kurnik, 2012.

3.f4 a5

4.a3 ab4 5.ab4 Ra1 6.Ba1 c6 7.Nf3 b5 8.e3 Bg7 9.c4 bc4 10.Bc4 Ba6 11.Qb3 Bc4 12.Qc4 0-0 13.0-0 Qb6 14.Nc3 Na6 15.b5 cb5 16.Nb5 Rb8 17.Nbd4 d5 18.Qc6 e6 19.Ne5 Qc6 20.Ndc6 Ra8 21.Ne7 Kf8 22.N5c6 Nc5 23.Bd4 Nce4 24.d3 Nd6 25.Bc5 Nb7 26.Bb4 Ke8 27.Rb1 Ng4 28.Bd2 Nd8 29.Nd8 Rd8 30.Nc6 Rc8 31.Rb6 Kd7 32.Nb8?? Kd8 33.h3+= Rc2 34.Ba5?? Kc8 35.hg4+- Re2 36.Rb3 Re3 37.Nc6 Re2? 38.Ne5! Be5 39.fe5 Re5 40.Kf2 d4 41.Bd2 Rc5 42.Rb4 e5 43.Rc4 Rc4 44.dc4 Kd7 45.Kf3 f5 46.gf5 gf5 47.Bb4 Kc6 48.g3 h5 49.Kf2 Kd7 50.Kf3 Ke6 51.Kf2 Kf6 52.Kf3 Ke6 53.Kf2 Kd7 54.Kf3 Kc8 55.Kg2 Kb8?? 56.Kh3 e4 57.Kg2 Kb7 58.Kf2 Kc6 59.Ke2 Kd7 60.Kd2 Ke6 61.Ke2 Kd7 62.Kf2 Kc6 63.Kg2 Kb6 64.Kh3 Kc6 65.Kh4?? e3-+ 66.Kh5 d3 67.Kg5 d2 68.Bd2 ed2 69.Kf5 d1Q 70.g4 Qd3 71.Kf4 Qc4 72.Kf5 Qg8 73.g5 Kd6 74.g6 Ke7 75.Kg5 Qg7 76.Kf5 Qf6 77.Ke4 Qg6 78.Kd5 Qe6 (78...Qe6 79.Kc5 Qe3 80.Kd5 Kf6 81.Kd6 Qe5 82.Kc6 Qc3 83.Kd5 Qd3 84.Kc5 Ke5 85.Kc6 Qd5 86.Kc7 Qc5 87.Kb8 Qe7 88.Ka8 Kd5 89.Kb8 Kc6 90.Kc8 Qc7#; 78...Qd3 79.Ke5 Qe3 80.Kd5 Kf6 81.Kc4 Ke5 82.Kb4 Kd5 83.Kb5 Qb3 84.Ka5 Kc5 85.Ka6 Qb6#) 0–1. lllllll21 (1765) – mitica00 (1790), kurnik, 2011.

4.a3 ab4 5.ab4 Ra1 6.Ba1 Nc6 7.b5 Na7 8.e3 b6 9.Nf3 Bb7 10.Be2 Bg7 11.0-0 0-0 12.c4 d5 13.Ne5 dc4 14.Bc4 e6 15.Bb2 Ne4 16.Ba3 Re8 17.Qb3 Nd2 18.Nd2 Qd2 19.Nf7?? Kf7 20.Be6 Re6 21.f5 Qg2# 0–1. lllllll21 (1750) – mitica00 (1800), kurnik, 2011.

3.f4 d5

4.Nf3 Bg7 5.e3 0-0 (--> 3.e3 Bg7 4.f4 0-0 5.Nf3 d5).

4.g3 Bg7 5.Bg2 Nc6 6.b5 Na5 7.d3 c6 8.h3 (8.Na3!?=+) 8...cb5-/+ 9.Nf3 Nc6 10.0-0 Qb6 11.d4 Ne4 12.Kh2 Nd6 13.e3 Nc4 14.Bc1 0-0 15.Nc3 (15.Ne5 Rd8-/+) 15...Qa5-+ 16.Ne2 Bf5 17.Ne5 N6e5 18.fe5 Rfd8 19.g4 (19.a3 Be4-/+) 19...Be4-+ 20.c3 Bg2 21.Kg2 f6 22.ef6 ef6 23.Qd3 Re8 24.Ng3 Nd6 25.a4 (25.Bd2 Re7-+) 25…Rac8 (26.Ra3 ba4-+) 0–1. grandmaster goldberg – NZ cricketer, ChessWorld.net, 2005.

3.Bf6 Bg7??

4.Bg7 Rg8 5.Bb2 c6 6.a3 d5 7.h4 Bf5 8.h5 Qb6 9.hg6 hg6 10.e3 a5 11.Bd4 c5 (11...Qc7 12.ba5 Ra5 13.g4+-) 12.Bc5 (12.bc5 Qd8+-) 12...Qc6 (12...Qd8 13.g4 Bd7 14.Qf3+-) 13.Nf3 (better 13.Nc3!? Qd7+-) 13...ab4 14.Bb4 (better 14.Ne5 Qc7 15.Bb5 Nc6+-) 14...b5 (14...Bc2 15.Qc1 Bd3 16.Qb2+-) 15.Nd4 Qd7 (15...Qb7+-) 16.Bb5 1–0. FeegLood (2855) – bigidiot11 (2545), lichess.org, 2015.

4.Bg7 Rg8 5.Bf6 ef6 6.Nf3 Qe7 7.d3 d5 8.e4 Bg4 9.Be2 Bf3 10.gf3 de4 11.fe4 f5 12.0-0 fe4 13.de4 Nc6 14.Qd8 Qd8 15.Nc3 Qe7 16.Nd5 Qd6 17.Nc7 Qc7 18.Rfd1 Qh2 19.Kh2 Rc8 20.Kg1 Ne5 21.Rd8 Rd8 22.Rd1 Rd1 23.Kg2 Ke7 0–1. Adamkosh – Mouradnouri, 2020.

3.g4 d6??

4.g5+- Nc6 5.gf6 ef6 6.b5 Ne5 7.Be5 fe5 8.e3 Qf6 9.Bc4 e4 10.Ne2?? Qa1-+ 11.c3 Qb2 12.Nd4 Bg4! 13.f3 ef3 14.Kf2 Qa3?? 15.Nf3 Qc5-+ 16.Be2 Qf5 17.h3 Bh5 18.d3 d5 19.Nbd2 Bg7 20.e4 de4 21.de4 Qc5 22.Kg2 0-0 23.c4 Rad8 24.Qc2 Bf3 25.Nf3 Bh6 26.Rf1 a6 27.ba6 ba6 28.a4 a5 29.e5 Rfe8 30.Qe4 Qb4 31.Nd4 Qe7 32.Nc6 Qg5 33.Bg4 Rd2 34.Kh1 Bg7 35.e6 fe6 36.Be6 Kh8 37.Na5 Re6 38.Qa8-+ Rd8 39.Qf3 Rf6 40.Qe2 Rf1 41.Qf1 Qa5 42.h4 Qa8 43.Kh2 Be5 44.Kh3 Rd3! 45.Kg4 Qe4 46.Kg5 Rg3 47.Kh6 Qh4 0–1. dtpwaldi – iszap, kurnik, 2011.

4.g5 Nh5??5.Bh8 e5 6.h4 Bg4 7.f3 Bf5 8.e4 Be6 9.Qe2 (9.Ne2 h6 10.d4 hg5 11.hg5 Qg5+-) 9...Nc6 10.a4 (10.Qb5 a6 11.Qa4 Be7+-) 10...Nb4?? (better is 10...Ng3 11.Qg2 Nb4+-) 11.Qb5 Nc6 12.Nc3 a6 13.Qb7 Rb8 14.Qc6 Bd7 15.Qc4 Be6 16.Qa6 Nf4 17.Nge2 Rb6 18.Qa7 d5 19.Nf4 ef4 20.Nb5 de4 21.Nc7 Kd7 22.Nb5 Kc6 23.Nd4 Kd5 24.c4 Kd6 25.Nb5 Kc5 26.d4 Kc6 27.d5 Bd5 28.cd5 Qd5 29.Qc7# 1–0. wk1234 – take, kurnik, 2012.

3.g4 e5

4.Be5 d6 5.Bb2 Bg4 6.Bg2 c6 7.d3 Bg7 8.c4 Qb6 9.Qb3 Be6 (9...Na6 10.Bc3=+) 10.Nd2 Nbd7 11.e3 Ne5 12.a3 a5 13.h3 (13.Bd4 Qc7=) 13...ab4 14.Ngf3 (14.d4 Ned7=) 14...Nfd7=+ 15.Ne5 Ne5 (15...de5 16.Qb4 Qb4 17.ab4 Ra1 18.Ba1=) 16.0-0 0-0 17.ab4 Qd8 (17...Rfe8 18.d4 Nd7 19.Ra8 Ra8 20.d5+-) 18.Ra8 Qa8 19.f4 Nd7 20.Ne4 d5 21.Nd6 Qa7 22.d4 (better 22.c5!?+=) 22...dc4=+ 23.Qc3 Bd5 (better 23...Nb6!?-/+) 24.e4= Qb8 25.Nc4 (worse 25.ed5 Qd6 26.Qc4 cd5 27.Qd5 Qb4-/+) 25...Bc4 26.Qc4 Nb6 27.Qb3 Rd8 28.e5 Nd5 29.b5 Qc8 30.bc6 bc6 31.Be4 Bh6 32.f5 Nf4 (32...Qb8 33.Qb8 Be3 34.Kg2 Rb8 35.Ba1+=) 33.e6 (better 33.Qe3!?+-) 33...fe6= 34.fg6 hg6 35.h4 (35.Kh2 Kh7=) 35...Rf8 (35...c5 36.dc5 Qc5 37.Kh1-/+) 36.Kh1=+ Qd8 37.Rf4 Bf4 (worse 37...Rf4 38.Qe6 Rf7 39.Qg6 Bg7 40.Qh7 Kf8 41.Ba3 Re7 42.Qf5 Kg8 43.Be7 Qe7 44.d5+-) 38.Qe6 Rf7 39.Qg6? (better 39.Kg2 Qb8 40.Bc3=+ (40.Qg6?? Rg7-+)) 39...Rg7-+ 40.Qh5?? (40.Qe6 Kh8 41.Qh3-+) 40...Bg3 (40...Qe7 41.Bd5 cd5 42.Qd5 Kh7 43.Qf5 Rg6 44.Qh5 Bh6 45.Qh6 Rh6 46.Kg2 Qe4 47.Kf2 Rg6 48.Kf1 Rg2 49.d5 Qe2) 41.d5?? (41.Bc6 Qh4 (41...Bh4?? 42.Bd5 Qd5 43.Qd5 Rf7 44.Qg2 Kf8 45.d5+-) 42.Qh4 Bh4=) 41...Qh4?? (better 41...Qe7 42.Bh7 Rh7 43.Qg6 Rg7 44.Qg7 Qg7 45.Bg7 cd5=) 42.Qh4+= Bh4 43.dc6 Rc7 (43...Re7 44.Bd5 Kh7 45.Ba3+=) 44.Bd5 Kh7 ½–½. Williams,Barry – Harris,Pascal, NZL Wanganui Chess Club A–Reserve Championship, 2000.

4.g5 Nd5 (4...Ne4 5.Be5 Rg8 6.Nc3 Nc3 7.Bc3 Qg5 8.Nf3=) 5.Be5 Rg8 6.Nf3 d6 (6...Bb4 7.e4 Nb6 8.c3+=) 7.Bc3 Nc3 (7...h6 8.h4+=) 8.Nc3 Be6 (8...h6 9.h4+=) 9.Bg2 (9.Rg1 Rh8+=) 9...Nc6 (9...h6 10.h4+/-) 10.a3 (10.b5 Na5+/-) 10...Be7 (10...h6 11.h4+/-) 11.d4 (11.h4!?+/-) 11...Bg5= 12.Ne4 (12.Ng5 Qg5 13.Rg1 d5+=) 12...Bf6 13.c3 Bd7 14.Nfd2 Bg7= 15.Ng3 Qe7 16.Qb3 0-0-0 17.0-0 h5 18.e3 h4=+ 19.Nge4? f5-+ 20.Nd6 Qd6 21.Nc4 Qf6 22.b5 Nb8 23.Na5=+ c6?? 24.bc6+- Bc6 25.Bc6 (25.Bc6 b6 26.Qc4 Nc6 27.Nc6+- (27.Qc6?! Qc6 28.Nc6 Rd7+/-)) 1–0. wlittle (2155) – tbrannon (2030), net–chess.com, 2005.

3.a3 d6

4.Nf3 Bg7=.

4.g4 Bg4!? 5.Bg2 c6=+.

4.g4 Bg7 5.g5= Nh5 6.Bg7 Ng7 7.h4 (7.d4 h6 8.gh6 Rh6=) 7...Bg4 (7...h6 8.gh6 Rh6 9.d4=+) 8.Nc3 c6 9.Bh3 Bh3 10.Nh3 Qb6 11.Nf4 Nd7 12.h5 Nh5 (12...e5 13.h6 Nf5 14.Nh3=+) 13.Nh5= gh5 14.Rh5 Ne5 (14...Rg8 15.Ne4=) 15.e3+= d5 16.d3 e6 17.f4?? (17.Na4 Qc7+=) 17...Nd7?? (better 17...Qe3 18.Ne2 Qf3-+) 18.Qe2 0-0-0 19.0-0-0 c5 20.Na4 (20.bc5 Qc5 21.Kb2 f6=) 20...Qb5 (better 20...Qa6!? 21.Nc5 Qa3 22.Kb1 Qb4 23.Nb3 f6=+) 21.Nc5= Nc5 22.bc5 Qc5 23.Kb2 Qb5 (23...Rd6!? 24.Ra1 d4 25.ed4 Qd4 26.Ka2 Rb6=+) 24.Ka2+= Kb8 25.Rb1 Qa6 26.Rb3 Rd6 27.Qd2 Rb6 (27...Rc6 28.Kb2+/-) 28.Qc3 Rc8 29.Qe5 Ka8 30.Qb2 (better 30.Rc3 Rbc6 31.Rh7+/-) 30...Rcc6?? (better 30...Rbc6 31.Kb1 Qa5+=) 31.Rh7 (31.Qh8 Rc8 32.Qc8) 31...Rc8+- 32.Rf7 (better 32.Rb6 ab6 33.Rf7+-) 32...Rbc6?? (32...Rb3 33.Qb3 Qc6+-) 33.Rfb7 Rc2 (33...Rb6 34.R3b6 ab6 35.Rb6 Qa5+-) 34.Rb8 (34.Rb8 Rb8 35.Rb8) 1-0. black_bishop_88 (2550) - NiM1006 (2140), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2)

4.h4 Bg7+= 5.e3 0-0 (5...e5 6.Be2+=) 6.Be2 a5 7.c4 (7.b5 Bf5=) 7...e5 (7...ab4 8.ab4 Ra1 9.Ba1+=) 8.Nc3 (8.h5 g5+=) 8...Na6 (8...ab4 9.ab4 Ra1 10.Ba1+=) 9.h5= Nh5 (9...Bf5 10.g4 Be6 11.g5=) 10.b5 Nc5 11.d4 ed4 12.ed4 Nd7 (12...Ne6 13.Bh5 gh5 14.Qh5=) 13.Bh5 gh5 14.Qh5 Nf6 15.Qf3 Bg4 (15...Re8 16.Nge2=) 16.Qd3 (16.Qb7 Rb8 17.Qa6 Qe7 18.Kd2 Rfe8=) 16...Bh5 (16...Re8 17.Kd2=) 17.Nge2 c6 (17...Re8 18.Qf5 Bg4 19.Qf4=) 18.Kf1 (18.Qg3 cb5 19.cb5 Re8+=) 18...Bg6= 19.Qh3 Re8 20.Nf4 Rc8 (20...d5 21.c5=) 21.Rc1 (21.d5 cb5 22.cb5 Qe7=) 21...d5 22.c5 (22.cd5 cd5 23.Kg1 Rc4+=) 22...b6 (22...Rc7 23.b6 Rce7 24.Rd1+=) 23.Na4 (23.Kg1 Rb8=) 23...bc5 (worse is 23...cb5 24.Nb6 (24.Ng6?! ba4 25.Ne5 h6=) 24...Rb8 25.Qb3+/-) 24.dc5 cb5 25.Nb6 Rc7 (25...Nh5 26.Ng6 (26.Nc8?? Nf4 27.Qg4 Bb2 28.Qf4 Bc1 29.Qc1 Qc8-+) 26...fg6 27.Qb3 Bb2 28.Qb2+=) 26.Qb3+= The pressure on the isolated pawn grows 26...d4 (26...Ne4 27.Qb5 Bb2 28.Qb2 Nc5 A) 29.Nbd5? Nd3 30.Nc7 Nb2 (30...Nc1?? 31.Qc1 Re5 32.Ng6 fg6 33.Qc4 Kh8 34.g3+-) 31.Ne8 Qe8-+; B) 29.Rh3-/+) 27.Qb5= (worse is 27.Ng6 Ne4 28.Qb5 fg6+=) 27...Rce7 (27...Ne4 28.c6= (28.Qa5 d3 29.Bg7 Rc5 30.Rc5 d2-+)) 28.Nc4 (28.Qa5 d3 29.Bc3+=) 28...d3= 29.Ng6 (29.Qa5?? Qa5 30.Na5 d2-+; 29.Na5?? d2 30.Kg1 dc1R 31.Bc1 Qd1 32.Kh2 Ng4 33.Kg3 Qh1 34.Kg4 Qc1-+) 29...hg6 30.Ne3 (30.Bc3 Re2 31.Kg1-+) 30...Re3 (better is 30...Ng4! 31.Bg7 Ne3 32.fe3 Kg7 33.Qb2 f6-/+) 31.fe3+= Ng4 (31...Ng4 32.Bg7 Ne3 33.Kg1 Kg7 34.Qb2 f6-/+) 0–1. Cirulis,Ilmars (1960) – Llull,Roger (2335), FICGS, 2016.

4.d3 Bg7

5.Nd2 0-0 6.Ngf3 Nbd7 7.g3 a5 8.Bg2 ab4 9.ab4 Ra1 10.Qa1 c5 11.c4 b6 12.0-0 Bb7 13.Ne4 Qa8 14.Nf6 Nf6 15.b5 Qa1 16.Ra1 Ra8 17.Ra8 Ba8 18.Nd2 Bg2 19.Kg2 Nd7 20.Bg7 Kg7 21.Ne4 f5 22.Nc3 e6 23.Na4 Kf6 24.f4 d5 25.Kf3 d4 26.e3 e5 27.ed4 ed4 28.Kg2 Ke6 29.Kh3 Kd6 30.Kh4 h6 31.h3 Kc7 32.g4 fg4 33.hg4 Nf8 34.f5 h5 35.gh5 gf5 36.Kg5 f4 37.Kf4 Nh7 38.Kf5 Nf8 39.Kf6 Nh7 40.Kg7 Ng5 41.h6 1-0. Zobbie (2545) - TheranosIsLegit (2520), Rated bullet game, lichess.org, 2024. (=1.a3 Nf6 2.b4 g6 3.Bb2)

5.Nd2 0-0 6.Ngf3 e5 7.g3 Re8 8.Bg2 a6 9.0-0 Nc6 10.e4 d5 11.Re1 d4 12.c3 dc3 13.Bc3 Qd3 14.Qc1 Bg4 15.Qb2 Rad8 16.Re3 Qd7 17.Nc4 Bf3 18.Bf3 Ng4 19.Re2 f5 20.ef5 Qf5 21.Be4 Qf7 22.Bc6 bc6 23.Rae1 Rd5 24.Ne3 Ne3 25.Re3 Qf5 26.Kg2 e4 27.Bg7 Re7 28.Bh6 g5 29.h4 gh4 30.Bf4 h3 31.Kh2 Qg6 32.Qe2 Rd4 33.f3 c5 34.Re4 Rde4 35.Qf2 Re1 36.Kh3 R1e2 37.Qc5 Qh5 0-1. Zobbie (2535) - Matte03 (2525), Rated bullet game, lichess.org, 2022. (=1.a3 Nf6 2.b4 g6 3.Bb2)

5.Nd2 0-0 6.g3 e5 7.Bg2 c6 8.e4 Bg4 9.Ngf3 Nbd7 10.h3 Be6 11.Ng5 h6 12.Ne6 fe6 13.0-0 Nh5 14.Qg4 Kh7 15.Qe6 Ndf6 16.Nc4 Ne8 17.Rad1 Nhf6 18.d4 Rf7 19.h4 Re7 20.Qh3 ed4 21.Bd4 Ne4 22.Bg7 Kg7 23.Qg4 d5 24.Ne3 N8f6 25.Qf4 Qd6 26.Qd6 Nd6 27.c4 Nc4 28.Nc4 dc4 29.Rd4 Rd7 30.Rc4 Re8 31.b5 cb5 32.Rc5 a6 33.a4 ba4 34.Ra1 b5 35.Rc6 Ra7 36.Rb6 Re2 37.Rc1 a3 38.Rcc6 a2 39.Rf6 a1Q 40.Kh2 Qf6 41.Rf6 Kf6 42.h5 Rf2 43.Kh3 Rg2 44.hg6 Rg3 45.Kh4 Kg6 46.Kg3 b4 47.Kh4 b3 48.Kh3 b2 0-1. Zobbie (2505) - Genry1999 (2530), Rated bullet game, lichess.org, 2021. (=1.a3 Nf6 2.b4 g6 3.Bb2)

5.Nd2 Nh5 6.Qc1 0-0 7.g3 e5 8.Bg2 f5 9.e4 (9.Ngf3 Be6=) 9...c6 10.Ngf3 f4 11.d4 fg3 (11...ed4 12.Bd4 Bd4 13.Nd4=) 12.hg3+= Qe7 13.de5 de5 14.Nc4 Nd7 (14...c5 15.Qg5 (15.Be5?! Rf3 16.Bf3 Be5 17.Ne5 Qe5=) 15...Bf6 16.Qd2+=) 15.Qd2+/- b5 16.Qd6 Re8? (16...Qf6 17.Qf6 Rf6 18.Na5+/-) 17.Qe7 (better 17.Qc6!? bc4 18.Qa8+-) 17...Re7+/- 18.Nd6 a5 (18...Nb6 19.Rd1+/-) 19.0-0-0 (better 19.a4!? c5 20.bc5 ba4 21.Bh3+-) 19...ab4+= 20.ab4 Ba6 (20...Nb6 21.Nc8 Rc8 22.Bf1+=) 21.Bh3 (better 21.Rh5!? gh5 22.Nf5+-) 21...Nb6+= 22.Ng5 (better 22.Kb1+=) 22...h6?? (better 22...Bh6 23.f4 ef4 24.gf4 Nf4=+) 23.Be6+- Kh8 24.Ngf7 (better 24.Ndf7 Rf7 25.Nf7 Kh7 26.Rd6+-) 24...Kh7+/- 25.Bb3 Nc4 26.Bc3 (26.g4 Nb2 27.Kb2 Nf4+-) 26...Rf8+/- 27.Nc4?? (better 27.Bc4 bc4 28.g4+/-) 27...bc4-+ 28.Ba4? (better 28.Ng5 hg5 29.Ba4-+) 28...Ref7 29.Bc6 Rf2 30.Bd5 (30.Rhg1-+) 30...Ng3 31.Rh3 R2f3 32.Kb2 Ne2 33.Rf3 Rf3 34.Be1 (34.Ra1 Nc3 35.Ra6 Nd5 36.ed5 e4 37.c3 Bc3 38.Kc2 Bb4-+) 34...c3 35.Kb3 (35.Ka2 Bb5-+) 35...Nd4 36.Rd4 ed4 37.Bh4 (37.Bc4 Bc4 38.Kc4 Re3-+) 37...g5 (better 37...d3 38.e5 Rh3 39.cd3 Rh4 40.Kc3 Be5 41.Kd2 Rh2 42.Ke3 Rh3 43.Ke4-+) 38.e5 Re3 39.Bf2 Re2 (39...Be5 40.Be3 de3 41.Be4 Kg7 42.b5-+) 40.Bg1 (40.Bd4 Be5 41.Be5 Re5-+) 40...g4 (better 40...Be5 41.Bc4 Bc4 42.Kc4-+) 41.Bd4 Be5 42.b5 (42.Be5 Re5 43.Bg2 Re3-+) 42…Bd4 (42...Bd4 43.ba6 g3-+) 0-1. Zobbie (2565) - Kikoff2017 (2565), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2)

4.Bf6 ef6

5.Nc3 Bg7 6.e4 0-0 7.Nf3 (7.Bd3 Re8 8.Nge2 a5=) 7...Re8 8.Be2 Nc6 9.0-0 Ne5 (9...f5 10.ef5 Bf5 11.Rb1=+) 10.d4 Nf3 11.Bf3 c6 12.Ne2 d5 (12...f5 13.ef5 Bf5 14.Ng3=) 13.ed5 cd5 14.Nf4 Be6 15.Re1 Rc8 (15...Qd6 16.Ne6 fe6 17.Re2=) 16.Re3 (16.Nd5 f5+=) 16...Qc7 (16...Qd6 17.Ne6 fe6 18.Qd3=) 17.Ne6 (17.Nd5 Qc2 18.Qc2 Rc2+=) 17...fe6= 18.c3 Bh6 19.Rd3 a6 20.Qe2 b6 21.h4 a5 22.Re1 ab4 23.ab4 Qd6 24.h5 Kg7 25.g3 Rc7 26.Kg2 Rce7 27.Rh1 g5 28.b5 Qd7 29.Re3 (29.Rb1 Kg8=) 29...e5 (better 29...g4 30.Bg4 Be3 31.Qe3 Kg8=+) 30.de5+/- Re5 31.Re5 (31.Rd1 Re3 32.fe3 Qc8+/-) 31...fe5 32.Rd1 d4?? (better 32...e4!? 33.Bg4 Qf7+/-) 33.cd4 (better 33.Bc6 Qc8 34.Be8 Qe8 35.cd4 e4+-) 33...ed4 34.Rd4!! Qd4 (34...Qd4 35.Qe8 Deflection (35.Qe8 Overloading)) 35.Qe8 g4 (35...Qd6 36.Qc6 Qf6 37.g4+-) 36.Bc6 (36.Qe7 Kh8 37.Be4 Qg7 38.Qd8 Qg8 39.Qb6 Bg7+-) 36...Qf6 (36...Bg5 37.Qe6+-) 37.Qd7 Qf7 (37...Kh8 38.Be4 Bg7 39.Qg4+-) 38.Qg4 Kf8 39.Be4 (39.Qb4 Qe7 40.Qd4 Qg5+-) 39...Bd2 40.Qf5 (better 40.Qc8 Qe8 41.Qf5 Qf7 42.Qe5+-) 40...Qf5 41.Bf5 h6 42.Kf3 Kg7 43.Ke4 Be1 44.Kf3 Kf6?? (44...Bd2 45.Ke2 Bc3+-) 45.Bd7 Bb4 46.Be8 Bc5 47.Ke2 Bd4 48.f4 Bc5 49.Kf3 Bd6 50.Ke4 Bc5 51.g4 Bf2 52.Kf3 Bh4? (52...Bc5+-) 53.Ke4 (better 53.g5!? Ke6+-) 53...Bf2 54.Bc6 Bh4 55.Bd5 Bf2 56.Ba2 Bh4 57.Kd5 Bf2 58.Ke4 Bh4 59.Kf3 Be1 60.Bb1 Bd2 61.Ke4 Be1 62.Kd5 Bd2 63.Ke4 Be1 64.Ke3 Bh4 65.Be4 Be1 66.Kf3 Bh4?! (66...Bb4 67.Bd5+-) 67.Kg2 (better 67.g5!? Kg7+-) 67...Be1 68.Kh3 (68.Bd5 Bb4+-) 68...Bb4 (68...Bd2 69.f5+-) 69.Kg3 (69.Bd5 Bd2 70.Kg3 Bc3+-) 69...Bc5 (69...Be1 70.Kg2+-) 70.g5! hg5 71.f5 Be7 (71...Bf8 72.Kg4+/-) 72.Kg4 (72.h6 Bf8 73.h7 Bg7+-) 72...Bf8 73.Bd5 Bh6 74.Be6 Bf8 75.Bd5 Bh6 76.Be6 Bg7 (76...Bf8 77.Bb3 Bg7+/-) 77.Bg8 Bh6 78.Bh7 Bg7 79.Bg6 Bh6 80.Be8 Bg7 81.Bc6 Bh6 82.Bf3 Bg7 83.Bg2 Bh6 84.Bh3 Bg7 85.Kf3 Bh6 86.Bg4 (86.Ke4 Bg7+-) 86...Bg7 (86...Ke5!?+/-) 87.Ke4+- Bh6 88.Kd5 Bg7? (better 88...Bf8+-) 89.Kc6 Bf8 (89...Ke5 90.Kb6 Kd6+-) 90.Kb6 Ke5 (90...Bd6+-) 91.Kc6 Kf4 92.b6 Kg4 93.b7 Bd6 (93...Bg7+-) 94.b8Q (better 94.Kd6 Kf5 95.b8Q+-) 94...Bb8-+ 95.f6 Kh5 (better 95...Be5 96.f7 Bg7-+) 96.f7+- Be5 97.f8Q g4 (97...Bf4 98.Qe8 Kg4 99.Qe2 Kh3 100.Kd5+-) 98.Qf7 (98.Qe8 Kh4 99.Qe5 Kh3+-) 98...Kh4 (98...Kg5 99.Kd5 Bf6 100.Ke6+-) 99.Qe6 (99.Qe7 Kh3 100.Qe5 Kg2 101.Qe2 Kg3 102.Kd5 Kh4 103.Ke5 Kg3 104.Ke4 Kh3 105.Kf4 g3 106.Qe1 Kg2 107.Qd2 Kh3 108.Kf3 g2 109.Qh6) 99...Kg3 (99...Bh2 100.Kd5 Kh3+-) 100.Qe5 Kh4 (100...Kg2 101.Qe2 Kg1 102.Kd5 Kh1 103.Qg4 Kh2 104.Ke4 Kh1 105.Kf3 Kh2 106.Qg2) 101.Qg5 (101.Kd5 Kh3 102.Qe3 Kg2 103.Ke4 Kh2 104.Kf4 Kh1 105.Qd2 Kg1 106.Kg3 Kf1 107.Qf2) 101...Kg5-+ 102.Kd5 g3 103.Ke4 g2 104.Kf3 g1Q 105.Ke2 (105.Ke4 Qe1 106.Kd4 Kf4 107.Kc5 Qe3 108.Kd6 Qd2 109.Ke6 Qd3 110.Kf7 Ke5 111.Kg7 Ke6 112.Kg8 Kf6 113.Kh8 Kg6 114.Kg8 Qd8) 105...Qg4 (105...Qd4 106.Ke1 Qb2 107.Kf1 Kf4 108.Ke1 Ke3 109.Kd1 Qd2) 106.Kd3-+ Qe4 (106...Kf5 107.Kc3 Qd1 108.Kb4 Ke5 109.Kc3 Qd4 110.Kb3 Qd3 111.Kb2 Kd4 112.Ka2 Kc3 113.Ka1 Kc2 114.Ka2 Qa6) 107.Kc3?? (better 107.Ke4 Kg6=) 107...Qf4 108.Kd3 Kf5 109.Kc3 Ke5 (109...Ke4 110.Kb4 Kd4 111.Kb5 Kd5 112.Kb6 Qb8 113.Ka5 Kc5 114.Ka4 Qb4) 110.Kb3 Kd5 111.Kc3 (111.Kb2 Kc4 112.Ka2 Qh2 113.Ka3 Qe2 114.Ka4 Qa2) 111...Kc5 (111...Qf3 112.Kb2 Qd3 113.Ka2 Qc2 114.Ka1 Qd2 115.Kb1 Kd4 116.Ka1 Kc3 117.Kb1 Qb2) 112.Kc2 (112.Kb2 Qf6 113.Kb3 Qf3 114.Kc2 Kc4 115.Kd2 Qf2 116.Kd1 Kd3 117.Kc1 Qc2) 112...Kc4 113.Kd1 Qf3 (113...Qf3 114.Kd2 Qf2 115.Kd1 Kd3 116.Kc1 Qc2; 113...Qf2 114.Kc1 Kc3 115.Kd1 Qd2) 0-1. black_bishop_88 (2535) - MigueL_CM (2110), CL Invitation. Qualif. G4 Team Battle, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2)

5.Nc3 Bg7 6.Nf3 0-0 7.g3 c6 8.Bg2 d5 9.0-0 Bg4 10.h3 Bd7 11.d4 Qc8 12.Kh2 h5 (12...Re8 13.Re1=) 13.e4+= de4 14.Ne4 Bf5 (14...Na6 15.c4+=) 15.Nd6 Qe6 (15...Qd7 16.Nf5 Qf5 17.Re1+/-) 16.Nf5 (16.Nb7!? Qc4 17.Ne1+-) 16...Qf5+/- 17.c3 Nd7 18.Re1 Rae8 19.Qd2 Re1 (19...Nb6 20.Rad1+/-) 20.Re1 Qd5 21.Ne5 fe5?? (better 21...Qd6 22.Nc4 Qc7+/-) 22.Bd5+- ed4 (22...cd5 23.de5 Nb6+-) 23.Bg2 dc3 (23...Nb6 24.cd4 Bf6 25.Qf4+-) 24.Qd7 c2 (24...b6 25.Qc6 Kh7 26.Re7+-) 25.Qb7 (better 25.Rc1!? h4+-) 25...Bb2 26.Qc6 c1Q (26...Ba3 27.Bd5 Kh7 28.Qc5+-) 27.Rc1 Bc1 28.Qc1 1-0. black_bishop_88 (2510) - EmersonPena_UNMSM (2040), CL Invitation. Qualif. G4 Team Battle, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2)

3.a3 Bg7

4.Ra2 a5 5.b5 b6 (5...d6 6.d4=) 6.a4 (6.e4 Bb7 7.e5 Nh5=) 6...0-0 7.c4 d5 8.cd5 Qd5 9.Nc3 Qd8 10.Nf3 Bb7 11.e3 Nbd7 12.d4 e5 (12...Nd5!?=) 13.Ne5+/- Ne5 14.de5 Qd1 15.Nd1 Nd7 (15...Nd5 16.Bd4+=) 16.f4+/- Nc5 (16...Rfd8 17.Bd4+/-) 17.Bd4 (17.Ba3 Bd5 18.Rd2 Rad8+-) 17...Ne6+/- 18.Bc4 Rad8 19.Rd2 Rfe8 20.0-0 Bf8 21.f5 (21.Nf2 Bb4 22.Rd3 c5 23.bc6 Bc6+/-) 21...gf5 22.Rf5 Bd5 (22...c5 23.bc6 Bc6 24.Nc3+/-) 23.Bd5 Rd5 24.Nc3 Rd7 25.Ne4 Be7 26.Rdf2 (better 26.Rf1!?+/-) 26...Nd4= 27.ed4 Rd4 28.Nf6 (28.Nc3 Bc5 29.Kf1 Rc4=+) 28...Bf6=+ 29.ef6 Re1 30.Rf1 Rf1 31.Kf1 Ra4 32.g3 (32.Kg1 h6 33.Rf3 Rb4 34.Rg3 Kf8-+) 32...h6 33.Rd5 Rc4 34.h4 Kh7 35.h5 a4 36.Rd7? (better 36.Rd3!?-/+) 36...a3 37.Rf7 (37.Ke2-+) 37...Kg8 38.Rg7 Kh8 (better 38...Kf8 39.Rd7 Rc1 40.Kg2 a2 41.Rd8 Kf7-+) 39.Rd7 Rc1 40.Ke2? (better 40.Kg2 Kg8 41.Rd8 Kf7 42.Ra8-+) 40...a2 41.Rd8 Kh7 42.f7 (42.Ra8 a1Q 43.Ra1 Ra1 44.Ke3-+) 42...a1Q 43.f8Q (43.f8N Kg7 44.Ne6 Kf6-+) 43...Re1 (43...Qe5 44.Kf2 Qe1 45.Kg2 Rc2 46.Rd2 Rd2 47.Kh3 Qe6 48.g4 Qe3 49.Qf3 Qf3 50.Kh4 Rh2) 44.Kd3 (44.Kf3 Rf1 45.Kg2 Rf8 46.Rf8 Qb2 47.Rf2 Qb5 48.Rf7 Kg8 49.Rc7 Qe2 50.Kg1-+) 44...Qd1 45.Kc3 Re3 46.Kb2 (46.Rd3 Qd3 47.Kb2 Re2 48.Kc1 Qc2) 46...Qe2 (46...Rb3 47.Ka2 Qb1) 47.Ka1 Qe1 48.Kb2 (48.Ka2 Re2 49.Kb3 Qb1 50.Ka4 Qc2 51.Kb4 Re4 52.Rd4 Rd4 53.Ka3 Ra4) 48...Re2 (48...Qc3 49.Kb1 Re1 50.Rd1 Rd1 51.Ka2 Ra1) 49.Kb3 Qb1 50.Kc4 Qa2 (50...Qc2 51.Kb4 Re4 52.Rd4 Rd4 53.Ka3 Ra4) 51.Kd4 Rd2 (51...Qd2 52.Kc4 Qc2 53.Kb4 Re4 54.Rd4 Rd4 55.Ka3 Ra4) 52.Ke5?? (52.Ke3 Re2 53.Kd4 Qd2 54.Kc4 Qc2 55.Kb4 Re4 56.Rd4 Rd4 57.Ka3 Ra4) 52...Rd8 (better 52...Qb2 53.Kf5 Qb5 54.Ke4 Qc6 55.Kf4 Rf2 56.Ke3 Rf8 57.Rf8 Qc5 58.Ke4 Qe7 59.Kd5 Qf8-+) 53.Qd8 (better 53.Qe7 Kg8 54.Qd8 Kf7 55.Qf6 Ke8 56.Qc6 Kf8 57.Qh6 Ke7 58.Qf6 Kd7 59.Qc6 Ke7 60.Qc7 Ke8 61.Qc6 Kf8 62.Qf6 Kg8 63.Qe6 Qe6 64.Ke6+-) 53...Qe2= 54.Kf6 Qh5?? (better 54...Qf3 55.Ke7 Qe2 (worse 55...Qg3 56.Qd7+/-; worse 55...Qh5 56.Qc7 Qg6 57.Kd8 Kg8 58.Qc4 Kh7 59.g4+-) 56.Kd7 Qb5 (56...Qh5?? 57.Qe7 Kg8 58.Qe8 Qe8 59.Ke8+-) 57.Kc7 Qh5 58.Qd7 Kg8 59.Qd8 Kf7 60.Qd7 Kf6 61.Qd6 Kf5 62.Qd3 Kg4 63.Qe2 Kg5 64.Qe3 Kf6 65.Qb6 Kf7=) 55.Qe7 Kg8 (55...Qf7 56.Qf7 Kh8 57.Qg7) 56.Qg7 1-0. black_bishop_88 (2595) - Maat39 (2460), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

4.Ra2 e6 5.Bf6 (5.e4 d6=) 5...Bf6 6.c3 d5 7.d4 0-0 8.e3 Nc6 (8...Nd7 9.Nf3=+) 9.f4 (9.Nf3 Qd6=) 9...Bg7 10.Nf3 f6 11.g3 a6 12.Bg2 e5 13.0-0 Bg4 (13...e4 14.Ne1=+) 14.h3= Bf5 15.g4 (15.fe5 fe5 16.de5 Bb1 17.Qb1 Ne5 18.Ne5 Be5 19.Rf8 Kf8=) 15...Be4=+ 16.Nbd2 Qd6 (better 16...Bd3 17.Rf2 ef4 18.ef4 Be4=) 17.Ne4+/- de4 18.Nd2 (18.Qb3 Kh8 19.Nd2 ef4 20.Ne4 Qe7 21.ef4 f5 22.gf5 Rf5+/-) 18...ed4? (18...Qe6 19.Rc2 ef4 20.Ne4 f5 (20...fe3? 21.d5 Qe5 22.dc6+-) 21.gf5 gf5+/-) 19.Ne4 (19.Qb3!? Kh8 20.Ne4+-) 19...Qe6 20.Rd2 (20.Re2 dc3 21.Nc5 Qe8+/-) 20...dc3 (better 20...f5 21.gf5 gf5 22.cd4 Nb4 23.ab4 fe4+=) 21.Nc5?? (21.f5 Qe8 22.Qb3 Rf7 23.Qc3 Ne5+/-) 21...Qe7?? (better 21...Qe3!? 22.Rdf2 f5 23.Bd5 Kh8-/+) 22.Rd7 (better 22.Rd3!?+/-) 22...Qe3= 23.Kh1 Rad8 24.Nb7 (better 24.Rf3!? Qe8 25.Rfd3 Rd7 26.Rd7=+) 24...Rd7-/+ 25.Qd7 Nd4 26.Qc7 c2 27.Nd6? (better 27.Qc4 Kh8 28.Nc5-+) 27...Qd2?? (better 27...Ne2 28.Qc4 Kh8-+) 28.Bd5 (better 28.Qc4!? Kh8 29.Nf7 Rf7 30.Qf7+/-) 28...Kh8= 29.Nf7 Rf7?? (better 29...Kg8 30.Nh6 Kh8 31.Nf7 Kg8 32.Nd6 Kh8 33.Nf7=) 30.Qf7+- (30.Qf7 Ne6 31.Qe6 Qd5 32.Qd5 h6 33.Re1 Bf8 34.Qf7 c1Q 35.Rc1 Bc5 36.Rc5 f5 37.Rc8; 30.Bf7?! Bf8 31.Qc8 Kg7=) 1-0. black_bishop_88 (2450) - Grandmasterbomo (2420), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

4.Qc1 d6 5.Nf3 e5 6.d3 0-0 7.h3 a6 8.Nc3 c6 (8...Nc6 9.e4=+) 9.Ne4 (9.e4 Nbd7=+) 9...Re8 (9...Be6 10.Nf6 Bf6 11.e4=) 10.g4 (10.Nf6 Qf6 11.e4 a5=) 10...Ne4=+ 11.de4 Nd7 12.c4 Nb6 13.Qc2 Nd7 (13...Be6 14.e3=+) 14.g5 b5 (14...a5 15.Bg2=) 15.e3 Nb6 16.cb5 (16.Rd1 bc4 17.Bc4 Nc4 18.Qc4=) 16...ab5 (16...cb5 17.Rd1=+) 17.0-0-0 (better 17.Qc6 Re7 18.Qb5+= (worse 18.Bb5 Bd7 19.Qd6 Bb5 20.Qd8 Rd8-/+)) 17...Bb7 18.Nd2 (better 18.h4!?=+) 18...Qg5-/+ 19.h4 (19.Nb3 Qe7-/+) 19...Qe7 20.Bg2 (20.Nb3 Na4-+) 20...Na4 (20...c5 21.bc5 Rec8 22.Kb1-+) 21.Nb3 (21.h5 c5 22.hg6 fg6 23.bc5 dc5-+) 21...Rac8 (21...c5 22.Kd2-+) 22.Kb1 (22.Qd3 d5 23.h5 c5 24.bc5 Nc5 25.Nc5 Qc5 26.Kb1 de4-+) 22...c5 23.Bh3?? (23.bc5 dc5 24.Na5 Nb2 25.Qb2 Ba8-+) 23...Rc7 (better 23...cb4 24.Bc8 Rc8-+ (24...Bc8?! 25.ab4 Bg4 26.Rd2-/+)) 24.Qd3 (24.Rc1-+) 24...c4 25.Qc2 cb3 26.Qb3 (26.Qd3 Rc2 27.Ba1 Rf2-+) 26...Be4 27.Ka1 Bc2 28.Qa2 (28.Qd5 Nb2 29.Kb2 Bd1 30.Rd1 e4 31.Kb1 Qh4 32.Qd6 Be5-+) 28...Bd1 29.Rd1 Qh4 30.Bf1 Nb2 31.Kb2 Qf2 32.Kb1 Qe3 33.Bb5 Ra8 (33...Rec8 34.Qb2 e4 35.Bd3 Bb2 36.Ka2 ed3 37.Rg1 Qe6 38.Kb1 Bg7 39.Rg6 Rc1) 34.a4 Rc3 (34...Qe4 35.Bd3 Qb4 36.Qb2 Qa4 37.Qa3 Qd1 38.Ka2 Rc2 39.Bc2 Qc2 40.Ka1 Ra3) 35.Qd5 Rac8 (35...Rb3 36.Ka2 Ra3 37.Kb1 Qc3 38.Qf7 Kf7 39.Rf1 Bf6 40.Rf6 Kf6 41.a5 Ra1) 36.Qd6 Rb3 37.Ka2 Rc2 (37...Rc2 38.Ka1 Qc3) 0–1. Delboy Smith (1755) – atef (1800), ChessWorld.net, 2011.

4.c3 a5 5.e3 ab4 6.cb4 0-0 7.Ne2 b6 8.Ng3 Bb7 9.f3 d5 10.Kf2 (10.Qc2 Nbd7=+) 10...Nbd7 (10...Ng4 11.fg4 Bb2 12.Ra2-/+) 11.Bd3 (11.d4 c5=+) 11...e5 (11...Ne4 12.fe4 Bb2 13.Ra2-/+) 12.Nc3 Qe7 13.Be2 e4 14.f4 (14.d4 ed3 15.Bd3 Ne5=+) 14...Rad8 15.h4 (15.d4 ed3 16.Qd3 c5-/+) 15...h5 (15...d4 16.Na4 de3 17.de3-+) 16.Nb5 (16.d4 ed3! 17.Qd3 c5-/+) 16...c6 17.Nd4 Ng4?? (better 17...c5 18.bc5 bc5-/+ (18...Qc5?! 19.Qb3=)) 18.Bg4+/- hg4?? (18...Bd4 19.Bd4 (worse 19.ed4 hg4 20.Qg4 Bc8+=) 19...hg4 20.Qg4+/-) 19.Qg4 (19.Ndf5 gf5 20.Nf5 Qf6 21.Bf6 Nf6+-) 19...c5?? (19...Nf6 20.Qg5 Qd7 21.Ngf5+/-) 20.bc5 (20.Ndf5 Qe6 21.Bg7 Nf6 22.Bf6 Qf6+-) 20...bc5?? (20...Qf6 21.c6 Ne5+= (21...Bc6? 22.Nc6 Qc6 23.Bg7 Kg7 24.Nf5 Kh7 25.Nd4+-)) 21.Ngf5 (better 21.Ndf5 Qe6 22.Bg7+-) 21...Qf6+/- 22.Ng7 Qg7 (22...Ne5 23.Qg5 Nd3 24.Kg3 Qg5 25.hg5 Nb2 26.Nge6 fe6 27.Ne6+=) 23.h5 (23.Rab1 Qf6+-) 23...cd4 (23...Bc8 24.hg6 Nf6 25.gf7 Rf7 26.Qg7 Kg7+-) 24.Bd4+- f6? (24...Nf6 25.Qg5 Rd6+-) 25.hg6 (25.Qg6?! Qg6 26.hg6 Ne5+/-) 25...f5 26.Qg5 Nf6 (26...Rf6 27.Rh7 Qg6 28.Rh8 Kf7 29.Rd8 Bc6 30.Bf6 Qf6 31.Qg8 Ke7+-) 27.Rh7! Nh7 (27...Nh7 28.gh7 Double attack (28.Bg7 Pinning; 28.Bg7 Deflection; 28.gh7 Passed pawn)) 28.gh7 Kh7 (28...Kf7 29.Qg7 Ke6 30.Rh1 Rf7 31.Rh6 Ke7 32.Qe5 Kd7 33.Qe6 Kc7 34.Be5 Rd6 35.Qd6 Kc8 36.h8Q Rf8 37.Qhf8) 29.Qg7 1-0. airah (2150) - VARAD45 (2120), Rated Bullet game, lichess.org, 2020. (=1.a3 Nf6 2.c3 g6 3.b4 Bg7 4.Bb2)

4.Bc3 0-0 5.h4 (5.e3 d6+=) 5...h5 6.Rh3 (6.Nf3 d6+=) 6...d6 7.Re3 e5 8.g3 (8.Bb2 a5-/+) 8...Ng4 (better is 8...Bh6-+) 9.Re4? (better is 9.Rf3!?-/+) 9...Bf5 10.Rc4 d5 11.Rc5 (11.Rg4 Bg4 12.Bg2 c6-+) 11...b6 12.Rb5 (12.f3-+) 12...c6 13.f3 Nh6 14.a4 (14.e4 Bd7-+ (worse is 14...cb5 15.ef5 Nf5 16.Kf2-+)) 14...cb5 0–1. Meunier,Tiffany (1800) – Eriksson,Joel (1800), FICGS, 2008.

4.Nc3 e5 5.e3 (5.Nf3 d6=) 5...d5 6.Nf3 e4 7.Nd4 0-0 8.Be2 b6 9.0-0 c5 10.Nb3 c4 (10...a5 11.ba5 c4 12.Nd4=) 11.Nd4+= Bb7 12.d3 ed3 (12...Qc8 13.de4 de4 14.b5=) 13.cd3+/- cd3 14.Bd3 Nbd7 15.Bb5 Ne5 16.h3 (16.Rc1 a6 17.Bd3 Qd6+=) 16...Rc8 17.Rc1 Ne4 18.Ne4 (18.Qe2 Nd6=) 18...Rc1= 19.Qc1 de4 20.Nc6?? (20.Rd1 Qd5=) 20...Nc6?? (20...Bc6 21.Bc6 Nd3-+ (21...Nc6?! 22.Bg7 Kg7 23.Qc6+=)) 21.Bg7+= Kg7 22.Bc6 Bc6 23.Qc6 Qf6 (23...f5 24.Qa4=) 24.Rc1 (better 24.Qe4!? Rd8 25.Qc2+/-) 24...Qc6= 25.Rc6 Re8 26.Rc7 a5 27.Rb7 (27.ba5 ba5 28.Rc5 Ra8+=) 27...ab4= 28.ab4 Re6 29.b5 Kf6 30.g4 Ke5 (30...h5 31.gh5 gh5 32.Kg2=) 31.Kg2 (31.Rf7 h6+/-) 31...f5 32.Kg3 (32.g5 Kd5+/-) 32...h6= 33.gf5 gf5 34.f4 ef3 35.Kf3 Rg6 36.Rc7 Kd5 (36...Rg1 37.Rc6 h5 38.Kf2+=) 37.Rh7 (better 37.Kf4!?+/-) 37...Kc5 38.Rf7 Kb5 39.Rf5 Ka6 (39...Kc6 40.e4=) 40.Rf4 (40.e4 Kb7+=) 40...Rc6 (40...b5 41.Rb4=) 41.Rf8 (41.e4 Kb5=) 41...Rc5 (41...b5 42.Ke4=) 42.Ra8 Kb5 43.Rf8 Kc4 44.Rf4 (44.Rf6 b5 45.Rh6 b4=) 44...Kb3 (44...Kc3 45.Rf6 b5 46.Ke2-/+) 45.Rf8 (45.Rf6 b5=) 45...b5=+ 46.Ke2 (46.Rf6 h5 47.Ke4 b4=+) 46...Rc3 (46...b4!? 47.Rf4 Rh5-+) 47.Rb8 b4 48.Kd2 (48.Rb6!?=+) 48...Rc2-/+ 49.Kd3 Rc3 50.Kd4 (50.Kd2 Rc5-/+) 50...Rc2 (better 50...Rc4 51.Kd3 Rh4-/+) 51.e4 Rc3 (better 51...Rc4 52.Kd5 Kc3=) 52.Ke5?? (better 52.e5 Rc2 53.Rh8+/-) 52...Rc2 53.Rb4 (53.Rb4 Kb4 54.Kd5-+). allyouneedisluft (2485) - Ferrisx (2275), Rated Bullet game, lichess.org, 2019. (=1.a3 g6 2.b4 Bg7 3.Nc3 Nf6 4.Bb2)

4.Nc3 e6 5.e3 b6 6.Ne4 Bb7 7.Nf6 Bf6 8.Bf6 Qf6 9.d4 Nc6 10.g3 d5 11.Bg2 Qe7 12.Nf3 f5 13.Ne5 Ne5 14.de5 g5 15.c4 c6 16.cd5 ed5 17.f4 gf4 18.ef4 0-0-0 19.Bh3 Rhf8 20.0-0 Qe6 21.Rc1 h5 22.Rc3 h4 23.g4 Rg8 24.g5 d4 25.Rd3 c5 26.Qc2 Qc6 27.Bf5 Kb8 28.Rdf3 h3 29.Bd3 Rgf8 30.b5 Qd5 31.Bc4 Qe4 32.Qe4 Be4 33.Rh3 d3 34.Rd1 d2 35.Bb3 Rd3 36.Rd3 Bd3 37.Kf2 Bf5 38.Rd2 Rh8 39.Kg3 Kb7 40.h4 Rh7 41.e6 Re7 42.Re2 a6 43.ba6 Ka6 44.h5 b5 45.g6 c4 46.Bc2 Re6 47.Re6 Be6 48.g7 Bg8 49.h6 Ka5 50.h7 Bh7 51.Bh7 b4 52.ab4 Kb4 53.g8Q c3 54.Bd3 Ka3 55.Qc4 Kb2 56.f5 c2 57.Bc2 Ka1 58.f6 Kb2 59.f7 Ka1 60.f8Q 1–0. Satrancci48 – A_VB, lichess.org, 2018. (=1.a3 g6 2.b4 Bg7 3.Nc3 Nf6 4.Bb2 e6)

4.c4 e6 5.Nc3 e5 (5...d6 6.d4=) 6.e3 (6.Nf3 d6=) 6...d6 7.Nf3 c6 (7...0-0 8.d4 ed4 9.Nd4=) 8.d4+= c5? (better 8...Qe7+=) 9.de5+- de5 10.Qd8 Kd8 11.Ne5 Ke7 12.Nf7?? (better 12.Nd3 cb4 13.Nd5 Nd5 14.Bg7+- (14.cd5?! Bb2 15.Nb2 ba3 16.Ra3 Rd8=)) 12...Bd7?? (12...Kf7 13.Nd5 Nc6 14.b5-/+) 13.0-0-0 (better 13.Nh8 Bh8 14.Nd5 Nd5 15.Bh8+- (15.cd5?! Bb2 16.Rb1 Bc3 17.Kd1 cb4=+)) 13...Kf7-/+ 14.Nd5 Be6 (better 14...cb4!? 15.ab4 Rc8-/+) 15.Nc7+= Nc6 (15...Nbd7 16.Na8 Ra8 17.bc5 Nc5 18.f3=) 16.Na8 (16.b5 Ne7 17.Na8 Ra8+=) 16...Ra8= 17.b5 (better 17.bc5 Rc8 18.Bd4=) 17...Rd8?? (better 17...Na5-/+) 18.bc6+- Rd1 19.Kd1 bc6 20.Bd3 (better 20.Bf6 Kf6 21.Bd3+-) 20...Bc4 (20...Ng4 21.Kc2 Bb2 22.Kb2+-) 21.Kc2 (better 21.Bc4 Nd5 22.Bg7 Kg7 23.Kd2+-) 21...Bd3 (21...Be6 22.Rd1+-) 22.Kd3 Nd5 (22...Ng4 23.Rb1 Nf2 24.Ke2 Bb2 25.Rb2 Ne4 26.Rb7 Ke6 27.Rh7 a5+-) 23.Kc4 (better 23.Bg7 Kg7 24.Kc4 Nf6+-) 23...Nb6?? (better 23...Bb2 24.Kc5 Ne7=+) 24.Kb3+- Na4?? (24...c4 25.Kc2 Bf8+-) 25.Ka4 (better 25.Bg7 Nb6 26.Bc3+-) 25...a6 (25...Bb2 26.Rb1 Bc3+-) 26.Kb3 (26.Bg7 Kg7 27.Rc1 Kf8+-) 26...a5 (26...c4 27.Kc2 Bf8+-) 27.Kc4 (27.Bg7 Kg7 28.Rc1 Kf7+-) 27...Bf6 (27...Bb2 28.Kc5 Ba3 29.Kc6 Bb4+-) 28.Bf6 Kf6 29.Rd1 Ke7 30.e4 Ke6 31.f4 g5 (31...Ke7 32.Kc5 Ke8 33.Kc6+-) 32.e5 (better 32.f5 Kf6 33.Rd6 Ke7+-) 32...gf4 33.Rd6 (33.Re1 Kd7+-) 33...Ke5 34.Rc6 Ke4 35.Rc5 f3 (35...Ke3+-) 36.Ra5 (better 36.gf3 Kf3 37.Ra5+-) 36...f2-+ 37.Ra8 (37.Ra4 f1Q 38.Kc5 Kd3-+) 37...f1Q 38.Kc5 Qd1 (38...Qf2 39.Kb5 Qb2 40.Kc6 Qg2 41.Kc5-+) 39.Kb6 (39.Re8 Kf5 40.Rf8 Ke6 41.Re8 Kd7-+) 39...Qc1 (better 39...Qd6!? 40.Kb7-+) 40.Re8 (40.Re8 Kd5 41.Rd8 Ke6 42.Rg8-+; 40.g4 Qh6 41.Kb7 Qh2-+). BeepBeepImAJeep (2050) – Rovers84 (2000), lichess.org, 2017.

4.d3 a5 5.b5 b6 6.Nd2 Bb7 7.e4 d6 8.Ngf3 e5 9.Be2 Nbd7 10.0-0 0-0 11.c4 Nh5 12.Re1 Nf4 13.Bf1 f5 14.Qc2 (14.ef5 Nc5 15.d4 e4=) 14...fe4 15.de4 Nc5 Black plans a4 16.g3 Nfe6 17.Bg2 Qf6 18.Rac1 a4 19.Qd1? (19.Rcd1 Nd4 20.Qb1 Nf3 21.Nf3 Bc8=+) 19...g5 (better 19...Nd3-+) 20.Qe2=+ h5 21.Qe3? (better 21.h3=+) 21...Bh6 22.Qe2 Rf7 (22...g4 23.Nh4 Qf2 24.Qf2 Rf2 25.Kf2 Bd2 26.Ke2 Be1 27.Re1 Be4 28.Be4 Ne4 29.Ke3-+) 23.Rc2 (23.Rcd1 g4 24.Nh4 Qf2 25.Qf2 Rf2 26.Kf2 Nd3 27.Ke2 Nb2-/+) 23...Raf8 (better 23...g4 24.Nh4 Nd3-+) 24.Rc3? (24.Rf1 g4 25.Nh4 Nf4 26.gf4 Qh4-+) 24...Kh8 (24...g4!? 25.Kh1-+) 25.Rf1 (25.Ne5 de5 26.Rf3-/+) 25...Rg7 (25...g4!? 26.Nh4 Nd4 27.Qd1-+) 26.Bc1 (26.Rc2 g4 27.Ne1 Qg6-/+) 26...Rfg8 (26...g4 27.Nh4-/+) 27.Kh1 (27.Ne1 g4-/+) 27...Bc8 (27...h4!? 28.h3 g4 29.hg4 Rg4-+) 28.Kg1 Nf4 (better 28...g4 29.Ne1 Nd4-/+) 29.gf4+/- gf4 30.Nh4?? (better 30.Ne1+/-) 30...Qh4-+ 31.Nf3 (31.Rg3 fg3 32.fg3-+) 31...Rg2 32.Kh1 Qh3 33.Bf4 (33.Rd1 Rh2! 34.Nh2 Qg2) 33...Bf4 (33...Rh2 34.Bh2 Qg2) 34.Ng5 (34.Rd1 Qh2! 35.Nh2 Rh2) 34…Qh2 (34...Bg5?! 35.Rh3 Bh3 36.Qh5 Kg7 37.Qh3 Rh2 38.Kh2-+) 0-1. kassanen (1760) - adamantitgolem (2235), Casual Blitz game, lichess.org, 2020.

4.g3 d5 5.Bg2 c6 6.Nf3 0-0 7.0-0 Nbd7 8.d3 a5 9.Nbd2 ab4 10.ab4 Ra1 11.Qa1 Qb6 12.Qa3 Ne8 13.c4 dc4 14.Nc4 Qd8 15.Bg7 Ng7 16.Rb1 Nb6 17.Nb6 Qb6 18.Qa5 Qa5 19.ba5 Ne8 20.Ne5 Nc7 21.f4 f6 22.Nc4 Rd8 23.Nb6 Bg4 24.Kf2 Kf7 25.h3 Be6 26.Na4 Bc8 27.Nc5 Attacking the backward pawn on b7 27...Nb5 28.Ke3 Nd6 29.g4 e5 30.fe5 fe5 31.Rb6 White plans a6 31...Ke7 32.a6 ba6 33.Rc6 Nb5 34.Na6 Bb7 35.Nb4 Kf7 36.Rb6 Bg2 37.Rb5 Bh3 38.Nc6 Re8 39.g5 Bg2 (39...e4!? 40.Ne5 Ke6+/-) 40.Ne5+- Kg7 41.Ra5 h5 42.Ra7 Kg8 43.Kf4 Rf8 44.Kg3 Rf5 45.Nf7 (45.Kg2?! Re5 46.e4 Rg5 47.Kf3 h4=) 45...Rf7 (45...Bf1 46.Nh6 Kf8 47.Nf5 gf5 48.Kf2+-) 46.Rf7 Kf7 (46...Bd5 47.Rc7 Kf8+-) 47.Kg2 Ke6 48.e4 Kd6 49.d4 Ke6 50.Kf3 Kd6 51.e5 Ke6 (51...Kd5 52.Kf4 h4+-) 52.Ke4 1–0. Vastrukhin,O (2400) – Obolentseva,Alexandra (2110), 19th Voronezh Master Open, 2015.

4.g3 Nh5 5.Bg7 Ng7 6.Bg2 0-0 7.c4 d5 (7...a5!? 8.Nc3 ab4 9.ab4 Ra1 10.Qa1 Nc6+=) 8.cd5+/- Nd7 9.Nc3 Nf6 10.e4 Bg4 11.f3 Bd7 12.Nge2 c6 (better 12...e6+/-) 13.e5 (better 13.dc6 Bc6 14.d4+/-) 13...Nd5= 14.Nd5 cd5 15.d4 Nf5 16.Qd2 Qb6 17.0-0 (better 17.f4!?=) 17...Bb5=+ 18.Rfd1 e6 (18...Be2 19.Qe2 Nd4 20.Qf2 Ne2 21.Kf1 Qf2 22.Kf2=+) 19.Nf4 (19.Nc3 Bc4 20.Na4 Qb5=) 19...Rac8 (better 19...Ba4-/+) 20.Bh3 Ne7 21.Rac1 (21.a4 Bc4+=) 21...Ba4= 22.Rc8 (22.Re1!?=) 22...Rc8=+ 23.Rc1? (better 23.Re1=+) 23...Rc1-+ 24.Qc1 Qd4 25.Kg2 Qe5 26.Qc5 (26.Bg4 Nc6-+) 26...Nc6 27.b5 (27.Qc1 Bb5-+) 27...Qd4 (27...Qb2 28.Qf2 Qb5 29.Qd2-+) 28.Ne6 fe6 29.Be6 Kg7 30.Qd6 (30.Qd4 Nd4 31.Bd5-+) 30...Bb5 31.Qd7 (31.Qc7 Kh6 32.Qf4 Qf4 33.gf4-+) 31...Kh6 32.Bg8 (32.Qd5 Qb2 33.Kh3 Bf1 34.Kg4 Ne5 35.Kf4 g5 36.Ke4-+) 32...Qd2 33.Kh3 (33.Kg1 Qe1 34.Kg2 Qf1) 33...Bf1 34.Kh4 Qg5 0-1. A_H_Kashefi (2580) - masmos97 (2555), Rated Bullet game, lichess.org, 2021. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.g4 h6 5.h4 (5.Bg2 c6=) 5...d6 6.Bh3 0-0 (6...e5!?=+) 7.g5= hg5 8.hg5 Nh5 (8...Ne4 9.Bg7 Kg7 10.Bc8 Qc8 11.Nf3=) 9.Bg7+= Kg7 10.Bc8 Qc8 11.a4 (11.Nc3 Qg4 12.Nf3 Nf4+=) 11...Qf5 12.Ra3 (12.Nc3 Rh8=) 12...Qg5 (better 12...Nf4 13.Rf3 Qg5=) 13.Nc3?? (better 13.Rah3=) 13...Qg2-+ 14.Nb5 (14.d3 Qh1 15.Kd2 Rh8-+) 14...Qh1 15.Kf1 Na6 16.Qa1 Kg8 (16...e5 17.Rh3 Qc6 18.Qb2-+) 17.Rh3 Qd5 18.Nc3 (18.Qc3 e5-+) 18...Qg5 (better 18...Qd2!? 19.Rd3 Qg5 20.Qb2-+) 19.Nf3 Qf5 20.Rh4 Qc2 21.Nd5 e6 (better 21...e5-+) 22.Nf6 (22.Ne7 Kh7 23.Rh5 gh5 24.Ng5 Kh6 25.Qf6 Qg6 26.Nf7 Rf7 27.Qg6) 22...Nf6?? (better 22...Kh8 23.Nd4 Qd2 24.Ne6 fe6 25.Ne4 e5 26.Nd2 Rf4 27.Rf4 Nf4=+) 23.Qf6 (23.Qf6 Qd1 24.Kg2 Qf1 25.Kf1 Nb4 26.Rh8) 1–0. FeegLood (2395) – sagarjha (1710), lichess.org, 2015.

4.h3 0-0 5.Nf3 Ne8 6.Bg7+= Kg7 7.e3 d5 8.Qc1 Nf6 9.Qb2 a5 10.g4 ab4? (better 10...Kg8=) 11.g5+- (11.ab4?! Ra1 12.Qa1 Kg8=; 11.Qb4?! b6=) 11...ba3 12.gf6 ef6 13.Ra3 Ra3 14.Na3 Nc6 15.h4 Bg4 16.Be2 Qe7 17.Nd4 (17.Rg1 h5+/-) 17...Nd4 18.Bg4 Nc6 (18...Qe4 19.Rg1 Ra8 20.c3+/-) 19.h5+- (19.Qb7?! Ne5 20.Bd1 Qa3=) 19...Ne5 20.h6 (20.Be2 Ra8 21.Nb5 c6+-) 20...Kg8 21.Be2 c6 (21...Ra8 22.Nb5 c6 23.Nd4+/-) 22.Nb1 (22.f4!? Nd7 23.Qb7 Qd6+-) 22...Ra8 23.f4 Nd7 24.f5 (worse 24.Qb7 Rb8 25.Qc6 Rb1 26.Bd1 d4=+) 24...Ne5 25.fg6 hg6? (better 25...fg6!? 26.Qb3 Kh8+/-) 26.h7+- Kh8 27.Kd1 b5 28.Kc1 (28.Qc3+-) 28...Qc5? (better 28...Nd7+-) 29.Qd4?? (better 29.d4!? Qb6+-) 29...Qd6?? (better 29...Qd4 30.ed4 Nd7=) 30.Qf4+- Qe6 31.Rf1 Kg7 32.Qh4 Rh8 (32...g5 33.Qh5+-) 33.Rh1 Kf8 34.Qh6 Ke7 35.Qg7 Qc8 36.Nc3 Qf8 37.Qf8 Kf8 38.d4 Nd7 39.e4 de4 40.Ne4 Kg7 41.Nc5 (41.Nd6 Nb8+-) 41...Nc5 42.dc5 Rh7 43.Rh7 Kh7 44.Bf3 b4?? (better 44...Kg8+-) 45.Bc6 Kg7 46.Bb7 Kf8 47.c6 Ke7 48.c7 1-0. black_bishop_88 (2525) - vbatman2004 (2695), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.h3 c5 5.g3 (5.bc5 Qa5=) 5...cb4 6.ab4 d5 7.Bg2 Nc6 (7...0-0 8.Nf3=+) 8.b5 Na5 9.Nf3 Nc4 10.Bd4 Kf8 (10...0-0 11.0-0= (worse 11.Ba7 b6-/+)) 11.d3 Nd6 12.Nc3 (12.Ba7 Nd7 (12...Nb5 13.Bb6 Ra1 14.Bd8+-) 13.Nbd2 Ba1 14.Qa1 f6-+) 12...Nf5 13.0-0 (13.Ra7? Ra7 14.Ba7 Qa5-+) 13...Nd4 14.Nd4 e6 15.Nf3 h6 16.e4 (16.d4 Qc7 17.Qd3 Ke8+=) 16...Kg8 (16...Ne4 17.Ne4 de4 18.de4 Qd1 19.Rad1=) 17.e5+= Nd7 18.d4 Kh7 19.h4 (19.Re1 Nb6+=) 19...Rf8 20.h5 Nb6 21.hg6 fg6 22.Ne2 Nc4 23.Nf4 Bd7 24.Bh3 Qe8 (worse 24...Bb5 25.Ne6 Qe8 26.Nf8 Bf8 27.Nh2+-) 25.Qd3 (25.Bg4 Rf4 26.gf4 Bb5=) 25...Rf4 (25...Bb5 26.Ne6 Ne5 27.Nf8 Bf8 28.Qb3 Bf1 29.Bf1 Nf3 30.Qf3=) 26.gf4= Qf7 (26...Bb5 27.Qb3=) 27.Nd2 (27.Rfb1+=) 27...Qf4 (27...Bb5 28.Rfb1 Qf4 29.Nc4 Bc4+= (worse 29...dc4 30.Qe3 Qe3 31.fe3+/-)) 28.Nc4+/- dc4 29.Qg3 (29.Qc4? Be5 30.Rfd1 Qh2 31.Kf1 Qh3 32.Ke1 Qh1 33.Kd2 Qe4-+) 29...Qg3 (29...Qf7!? 30.Rfb1 a5+-) 30.fg3 Kg8 (30...Bb5 31.Rf7 Ba6 32.Be6+-) 31.b6! a6 (31...ab6 32.Ra8 Pinning (32.Ra8 Deflection)) 32.d5 (better 32.Bg2!? Rb8 33.c3+-) 32...Be5+/- 33.Rad1 (33.Rae1 Bg3 34.Be6 Be6 35.Re6 g5+/-) 33...Re8 (33...Bg3 34.de6 Be8 35.e7+/-) 34.de6 (34.Kg2!?+/-) 34...Be6= 35.Be6 Re6 36.Rd8 Kg7 37.Rd7 Kg8 38.Rb7 Bd4 (worse 38...Bg3 39.Ra1 Rf6 40.Ra6+-) 39.Kg2 Rb6? (better 39...Bb6!? 40.Rff7 Rd6+=) 40.Rb6+- Bb6 41.Rf6 Be3 42.Rg6 Kf7 43.Ra6 1-0. BabaRamdev (2625) - Maxterlopez (2575) , Rated Bullet game, lichess.org, 2018. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.h3 Nh5 5.Bg7= Ng7 6.Qc1 0-0 7.Qb2 d6 8.h4 (8.Nf3 e5=) 8...Nc6 9.e3 e5 10.Be2 f5 11.Nc3 f4 12.Nf3 fe3 13.de3 Bg4 14.Bc4 Kh8 15.Ng5 Qe7 16.Qb3 h6 17.Nf7 (17.f3 hg5 18.Nd5 Qd8 19.fg4 gh4 20.Nc7 Rc8+/-) 17...Kh7=+ 18.f3 (18.h5 gh5 (worse 18...Bh5 19.g4+/-; 18...Nh5?! 19.f3 Bd7 20.g4=) 19.Ne4 Bf5-/+) 18...Be6 19.Ng5 hg5 20.hg5 Kg8 21.Ne4 (21.Nd5 Qg5 22.Nc7 Qg3 23.Kd1 d5 24.Bd5 Qg2 25.Be6 Ne6 26.Qe6 Rf7+=) 21...Bc4 22.Qc4 Qe6 23.Qe6 Ne6 24.Nf6 Kf7 25.Rh7 Ng7 26.0-0-0 Rh8 27.Rdh1 Rh7 28.Rh7 Ne7?? (28...b5 29.Ng4 Nd8 30.Nh6 Kf8 31.Rh8 Ke7 32.Ng8 Kd7 33.Nf6 Ke6 34.Kd2-+) 29.e4 (29.Ng4 Rg8=) 29...c6 (29...Rf8 30.Kd2-+) 30.c4 (30.Ng4 Rg8=) 30...Rd8 (30...Rc8 31.Ng4 Kg8 32.Nf6 Kf8 33.c5 dc5 34.bc5=) 31.g3 (better 31.Ng4!? Rg8 32.Nh6 Kf8 33.Kd2=) 31...d5 32.cd5 cd5 33.ed5 Nd5 34.Ne4? (better 34.Ng4 Kg8 35.Rh6-/+) 34...Ne3-+ 35.Kb2 (35.Rh1 Nc4-+) 35...Nef5 (35...Rd3 36.f4-+) 36.Rh1 (36.g4 Nd4 37.Rh3 b5-+) 36...Rd3 37.Rc1 Rf3 (37...Ne6!? 38.Rc3 Rc3 39.Kc3-+) 38.Rc7 Ke6 (38...Ne7 39.Nd6 Ke6 40.Nb7-+) 39.Rb7 Re3 (better 39...Ne8 40.g4 Nfd6 41.Nc5 Kd5 42.Ra7 Rf4-+) 40.Nc5=+ Kd5 41.Ra7?? (better 41.g4 Nd6 42.Rg7 Nc4 43.Kc1 Ra3 44.Rg6=+) 41...Rg3-+ 42.Rd7 Kc6 43.Rf7 Rg5 44.Rf6 (44.a4 Kd5-+) 44...Kb5 (better 44...Kd5 45.Ra6-+) 45.Nb3 (45.Nd7 Rg2 46.Kc3 Rg3 47.Kb2 e4 48.Rb6 Kc4 49.Rg6 e3 50.Rg3 Ng3 51.Ne5 Kd5-+) 45...e4 (45...Rg2 46.Kc3 Ra2 47.Rf8 Ra3 48.Rb8 Kc6 49.Kb2-+) 46.Nd2 (46.Rf8 Rg2 47.Kc3 Rg3 48.Kb2 e3 49.Rb8 Kc6 50.Rc8 Kd5 51.Rc5 Ke4-+) 46...e3 (46...Rg2 47.Kc1 e3 48.Nf3-+) 47.Ne4 (47.Nf3 Ne8 48.Re6 Rg3-+) 47...Rg2 (better 47...Rg4 48.Nc3 Kc4 49.Rc6 Kd3 50.Na2 Rg2 51.Kb1-+) 48.Kb3 Nd4 49.Kc3 e2 50.Kd4 e1Q (better 50...Nf5 51.Rf5 gf5 52.Nc3 Ka6 53.Ne2 Re2 54.b5 Kb5-+) 51.Nc3 Qc3! 52.Kc3 Rg3 53.Kb2 Nf5 54.a4? (54.Rf8-+) 54...Ka4 55.Rb6 Rg2 (better 55...g5!? 56.Kc1-+) 56.Kc3 Rg3 57.Kc4?? (57.Kb2 g5 58.Kc1-+) 57...Rb3 (better 57...Ne3 58.Kc5 Rg5 59.Kd4 Nd5-+) 58.Ra6 1-0. black_bishop_88 (2480) - supertraper (2450), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.Nh3 0-0 5.f3 d6 6.Nf2 e5 7.g3 a5 8.b5 c6 9.a4 cb5 10.ab5 Re8 11.Na3 e4 (11...Nbd7 12.e4=+) 12.Bg2 (12.Ne4 Ne4 13.Bg7 Ng5=) 12...ef3 (12...e3!? 13.Nd3 Bf5=+) 13.Bf3= d5 14.0-0 Bf5 15.d3 (15.c4 Be4=) 15...Nbd7 16.c4 dc4 17.Nc4 (worse 17.dc4 Nc5=+) 17...Nb6? (17...Nc5 18.Qc2 a4 19.e4+=) 18.Nb6 (better 18.Bb7 Nc4 19.dc4 Qd1 20.Nd1+-) 18...Qb6= 19.Qb1 (19.Qa4 Bd7=) 19...Ng4 (19...Bd7 20.Ra2=+) 20.Bg7= Nf2 21.Rf2 Kg7 22.Qb2 Kg8 23.Raf1 (23.e4 Bd7=) 23...Be6 24.Bg2 a4 25.Qa3 (25.Ra1 Bb3=+) 25...Qb5-/+ 26.Rf4 Qb3 27.Ra1 Qa3 (27...Qb6 28.Kh1 Bb3 29.Qb2-/+) 28.Ra3=+ b5 (28...Bb3!? 29.Bb7 Rab8=+) 29.Ba8= Ra8 30.Rb4 Bd7 31.Kf2 Rc8 32.Ke3 Re8 33.Kd2 f5 34.h4 Kf7 35.e4 fe4 36.Re4 (36.de4 h6=) 36...Re4 37.de4 b4 38.Ra1 a3 39.Kc2 (39.Kd3 Be6=+) 39...Ba4-/+ 40.Kd3 b3 41.Kc3 b2 42.Rg1 (better 42.Re1-+) 42...Bc6 43.Kc2 (43.Kb3 Be4 44.Rf1 Ke6-+) 43...Be4 44.Kb3 b1Q 45.Rb1 Bb1 46.Ka3 Kf6 47.Kb4 (47.g4 Ke5-+) 47...Kf5 48.Kc3 Kg4 49.Kd4 Kg3 50.Ke5 (50.Kd5 Be4! 51.Kd4 Kh4 52.Ke4-+) 50...Kh4 51.Kf6 g5 52.Kg7 g4 53.Kh6 g3 54.Kg7 g2 55.Kh6 (55.Kg8 g1Q 56.Kf8 Qa7 57.Kg8 Ba2 58.Kh8 Qa8 59.Kh7 Kg5 60.Kg7 Qg8) 55...Bg6 (55...Ba2 56.Kg7 g1Q 57.Kf8 Qa7 58.Ke8 Be6 59.Kd8 Qd7) 56.Kg7 g1Q 57.Kh8 (57.Kf6 Qe1 58.Kg7 Qe7 59.Kg8 Qf7 60.Kh8 Qf8) 57...Kg5 (57...Qf2 58.Kg7 Qf7 59.Kh6 Qf8) 58.Kg7 Kf5 (58...Qa7 59.Kh8 Kf6 60.Kg8 Qg7) 59.Kh8 (59.Kg8 Kf6 60.Kh8 Qe3 61.Kg8 Qe8) 59...Kf6 60.Kg8 Qa7 61.Kh8 (61.Kf8 Qf7) 61…Qg7 0-1. black_bishop_88 (2530) - NitoCortizo (2495), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.h4 c5 5.bc5= Qa5 6.h5 (6.e3 0-0=) 6...Qc5 (6...Nh5 7.Bg7 Ng7 8.Nf3=) 7.h6 (7.e3 gh5 8.Bf6 Bf6=) 7...Bf8 (7...Ne4 8.d4 Qa5 9.Nd2=+) 8.Bf6 ef6 9.d4 Qa5 10.c3 (10.Qd2 Qd8+=) 10...Nc6 11.Nf3 (11.e4 d5 12.ed5 Qd5=) 11...d5 12.e3 Bd6 13.Bd3 Bg4 14.0-0 0-0 15.Qb3 Rad8 (15...Rfb8 16.Nbd2=) 16.Nbd2 (16.Qb7 Rb8 17.Qa6 Qc7+=) 16...Qc7= 17.Rab1 b6 18.Rfc1 f5 19.c4 (19.Qd5?? Bh2 20.Nh2 Rd5-+) 19...Na5 20.Qc2 f4 (better 20...dc4!? 21.Nc4 Nc4 22.Qc4 Qe7=+) 21.cd5+= Qc2 (21...Qb7 22.Qa2 fe3 23.fe3+=) 22.Rc2+/- (worse 22.Bc2 fe3 23.fe3 Ba3=+) 22...fe3 23.fe3 Rfe8? (23...f5 24.Ng5 Rc8 25.Rbc1 Rc2 A) 26.Bc2? Rc8-+ (26...Ba3?! 27.Ra1 Bb4 28.Nf1=+); B) 26.Rc2+/-) 24.e4 (better 24.Ne4!? Be7 25.Ne5+-) 24...Bf4 25.Bb5 Rf8 26.Bc6 Be3 27.Kh2 Bh6 28.e5?? (better 28.Kg3 Bc8 29.Rb4+/-) 28...Bf5 29.Rbc1 Bc2 30.Rc2 Bf4 31.g3 g5?? (better 31...Bd2 32.Rd2 Rc8=+) 32.gf4+- g4 33.d6?? (better 33.Nh4 Nc6 34.dc6 (34.Rc6?! Rd5 35.Nf5 Ra5+-) 34...Rd4 35.Nf5 Rf4 36.Ne7 Kg7 37.c7+-) 33...gf3 34.d5 f6 (34...a6 35.Kg3+/-) 35.e6 Rd6 36.Nf3?? (better 36.e7 Rb8 37.e8Q Re8 38.Be8 Rd5 39.Nf3+/-) 36...Nc6-+ 37.dc6 Re6 (better 37...Rc8 38.Re2 Kf8-+) 38.c7? (better 38.Nd4 Re7 39.f5-+) 38...Rc8 39.Nd4 Re7 40.Nf5 (40.Rg2 Kh8-+) 40...Rec7 41.Ne7 (41.Rg2 Kf8 42.Nd6-+) 41...Re7 (better 41...Kf7 42.Rc7 Rc7-+) 42.Rc8 Kg7 43.Rc6 Re3 (better 43...Re2!? 44.Kg1 Kg6 45.Rc7-+) 44.Rc7 Kg6 45.Ra7 Rf3 46.f5 (46.Ra4 Kf5-+) 46...Rf5 47.Kg3? (47.Rb7 Ra5 48.Rb6 Ra3 49.Rb8-+) 47...Ra5 48.Rb7 Ra3 49.Kf4 Rb3 50.Rc7 Rb4 51.Kg3 h5 52.Rd7 Rb3 53.Kh4 b5 54.Rg7 (54.Rd8-+) 54...Kg7 55.Kh5 Rg3 (55...Rg3 56.Kh4 Rg5 57.Kh3 b4 58.Kh2 b3 59.Kh3 b2 60.Kh4 b1Q 61.Kh3 Qh7; 55...f5 56.Kg5 Rf3 57.Kh4 Kf6 58.Kh5 Rh3) 0-1. black_bishop_88 (2495) - CristianS27 (2485), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.h4 d6 5.e3 Nh5 6.Bg7= Ng7 7.h5 (7.d4!?=) 7...Nh5=+ 8.Rh5 (better 8.d4!?=+) 8...gh5-+ 9.Qh5 Be6 (9...a5 10.Bc4 e6 11.b5-/+) 10.Bd3 (10.Qb5 Nd7 11.Qb7 a5=+) 10...h6 (10...Qd7 11.Nf3-+) 11.Nc3 (11.Qb5!? Nc6 12.Qb7=+) 11...Nc6 12.Nf3 Ne5?? (12...Rg8-/+) 13.Ng5?? (better 13.Ne5 de5 14.Qe5+=) 13...Nd3 (13...Bg4!? 14.Qh1-+) 14.cd3-/+ Bf5?? (better 14...Bb3-/+) 15.Qf7+- Kd7 16.Qf5 Kc6 (16...Ke8 17.Qf7 Kd7 18.Qe6 Ke8+-) 17.Qb5 1-0. black_bishop_88 (2545) - NiM1006 (2090), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.Ra2 0-0

5.c4 a5 6.b5 d5 7.cd5 Qd5 8.Nc3 Qd6 9.Nf3 Be6 10.Ra1 Nbd7 11.g3 Nc5 12.Bg2 Nfe4 (12...Bb3 13.Qc1=) 13.0-0 (13.Ne4 Ne4 14.Bg7 Kg7+=) 13...Nc3=+ 14.Bc3 Bc3 15.dc3 Rad8 (15...Bc4 16.Rb1=+) 16.Nd4 (16.Qd4 Qd4 17.cd4 Nb3=) 16...Bd5 17.Bd5 Qd5 18.Qc2 e5 19.Nf3 f6 20.Rfd1 Qb3 (20...Qc4 21.Rab1=+) 21.Qb3= Nb3 22.Rab1 a4 23.Kf1 Kf7 24.Ke1 Ke6 25.Nd2 Nc5 26.Nc4 f5 27.Nb2 e4 (27...g5!?=+) 28.Rd4= g5 (28...Ra8 29.Rbd1=) 29.Na4+= Na4 30.Ra4 b6 31.Rc4 Rd7 32.Rd1 Rd1 33.Kd1 Rd8 (33...c5 34.bc6 Kd5 35.Rd4 Kc6 36.Kd2+/-) 34.Kc2 Rd7 35.a4 (35.Rc6 Ke5+/-) 35...Ke5 36.e3 f4 (36...Rf7!?+/-) 37.gf4 (37.ef4 gf4 38.f3 ef3 39.Rf4 c5+-) 37...gf4 38.Rc6 (38.f3!? ef3 39.Rf4+/- (39.ef4?? Kf5 40.Rb4 f2-+)) 38...f3+= 39.h4 Rg7 40.Kb3 Rg2 41.Rc7 Rf2 42.Rh7 Re2 (42...Rf1 43.Re7 Kd6=) 43.Rf7 (better 43.Re7 Kf5 44.a5 ba5 45.b6+/-) 43...Re3= 44.a5 ba5 45.b6 Rd3 (45...Re1 46.b7 Rb1 47.Kc2=+) 46.b7= Rd8 47.c4 (better 47.Ka4!?=) 47...Rb8-/+ 48.c5 f2 49.c6 Kd6 (49...e3 50.Ka4 Kd6 51.c7 Rb7 52.c8Q Rf7 53.Qb8 Ke6 54.Qe8 Re7 55.Qc6 Kf7 56.Qf3 Kg7 57.Qg4 Kh8 58.Qf5=) 50.Rf6 (50.Rf2?! Kc6 51.Rf7 e3=+) 50...Kc7 51.Rf2 (51.Kc4!? e3 52.Kc5 Rb7 53.Rf7 (53.cb7?? e2 54.Rf2 e1Q 55.Rf7 Kb8 56.Rf8 Kb7 57.Rf7 Kc8-+) 53...Kb8 54.Rf8 (worse 54.cb7 e2 55.Rf8 Kb7 56.Rf7 Kc8 57.Rf2 e1Q-+) 54...Ka7 55.cb7 Kb7 56.Rf7 Kc8 57.Kc6-+) 51...Kc6= 52.Rf7 Rb7 (52...e3!? 53.Kc2 a4=+) 53.Rb7= Kb7 54.h5 e3?? (better 54...a4 55.Ka4 e3=) 55.h6 (better 55.Kc2 e2 56.Kd2+-) 55...e2-/+ 56.h7 1-0. black_bishop_88 (2495) - yurigonzalezvidal (2410), lichess.org, 2020. (=1.a3 g6 2.b4 Nf6 3.Ra2 Bg7 4.Bb2)

5.d3 c6 6.Nd2 d5 7.c4 Re8 8.Ngf3 e5 (8...a5!?=+) 9.Be5+= Bg4 10.Bb2 Nbd7 11.e3 dc4 12.Nc4 Nb6 (12...b5!? 13.Na5 c5+=) 13.Be2+/- Nc4 14.dc4 Qc7 15.0-0 Rad8 16.Qc1 Bf5 17.Rd1 Ne4 (17...Be4 18.Bd4+/-) 18.Bg7 Kg7 19.Nd4 Bc8 20.Bf3 Nf6 21.Rad2 h5 22.h3 (22.Qc3 Bg4+-) 22...a6 (22...g5 23.Be2+-) 23.Qb2 Rh8 24.Ne2 (24.Be2 Rhe8+-) 24...Rde8 (24...Rd2 25.Rd2 Qe7 26.Nf4+-) 25.Nf4 Bf5? (25...Qe5 26.Rd4 Rd8+-) 26.e4 (26.g4 hg4 27.hg4 g5 28.Nh5 Rh5 29.gh5 g4 30.h6 Kg6+-) 26...Be4?? (26...Qf4 27.ef5 Qf5 28.Rd7 Re1 29.Re1 Qd7 30.c5+=) 27.Be4 (better 27.Rd6 Qe7 28.Be4+-) 27...Re4 28.Rd7?? (better 28.Nd3 Rc4 29.Nc5+=) 28...Qf4-+ 29.Rc7 (29.f3 Re3 30.R7d4-+) 29…Qc7 0-1. Zobbie (2580) - TeddyBear2005 (2685), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...g6 2.b4 Bg7 3.Bb2 Nf6)

5.e3 d6 6.Ra1 e5 7.Nf3 Nc6 8.d3 Be6 9.Be2 Nd7 10.Ng5?? (better 10.0-0=) 10...Qg5-+ 11.0-0 Qe7 (11...Bd5 12.g3-+) 12.c4 f5 13.Nc3 Nd8 (13...Nb6 14.b5 Nb8 15.a4-+) 14.Bf3 c6 15.b5 (15.Be2 Nb6-+) 15...Rc8 (15...e4 16.Be2-+) 16.a4 (16.bc6 bc6 17.Rb1 e4 18.de4 Bc4-+) 16...g5 (16...e4 17.Be2-+) 17.g3 (17.Re1 e4! 18.bc6 bc6 (18...ef3?! 19.cd7 Qd7 20.Qf3-+) 19.de4 Rb8-+) 17...g4 (17...e4 18.Be2-+) 18.Bg2 h5 (18...e4!? 19.de4 Bc4 20.Re1-+) 19.Re1 (19.Ne2 Nc5-+) 19...Qf6 (19...e4 20.de4 fe4 21.Rb1 Bc3 22.Bc3 Bc4 23.Qd4-+) 20.a5 Qg6 (20...a6 21.ba6 ba6 22.Rb1-+) 21.a6 ba6 22.Ra6 cb5 (22...e4!? 23.de4 Bc4 24.Ra7-+) 23.Nb5 Nf7 24.Na7 Ra8 (better 24...Rce8-+) 25.Ba8=+ Ra8 26.Ra1 (26.Nc6 Re8-/+) 26...f4 (26...Ng5 27.Nc6 Qe8 28.Kh1-+) 27.Nb5? (better 27.Nc6!? Ra1 28.Ba1=) 27...Ra1-/+ 28.Qa1? (28.Ba1!? Ng5 29.Kg2-+) 28...Qd3 (28...Nc5 29.d4 Nd3 30.ef4 Ne1 31.Qe1 Bc4 32.Na3-+) 29.ef4 (29.Rd1 Qc4 30.Nd6 Nd6 31.Rd6 Bf8 32.Rd7 Bd7 33.Be5 fe3 34.fe3 Qc2-+) 29...Bc4 30.Nc3 (30.Qa8 Kh7 31.Nc7 Nc5-+) 30...Nc5 Black prepares e4 31.Rd1 (31.fe5 Ng5 32.Re3 Nh3 33.Kg2-+) 31...Qf3 32.Qb1 (32.Qa7 ef4 33.Ra1 Kh7-+) 32...Nd3 (32...ef4 33.Qf5 Bc3 34.Rd6 Bb2 35.Qc5 Nd6 36.Qd6-+) 33.Rd3 Bd3 34.Qd1 e4 (34...ef4 35.gf4 Nh8 36.Qf3 gf3 37.f5-+) 35.Qf3 gf3 36.Nd1 Bb2 37.Nb2 d5 38.Nd1 (38.Na4 d4 39.Nc5 Nd6-+) 38...Nd6 39.h3 (39.Ne3 d4 40.Nd5 e3 41.fe3 Ne4 42.Nf6 Nf6 43.Kf2 Ng4 44.Kf3 de3 45.Kg2 e2 46.Kh3 e1Q 47.Kh4 Qe7 48.Kh5 Nf6 49.Kh4 Qh7 50.Kg5 Qf5 51.Kh6 Ng4) 39...Nf5 (better 39...d4 40.f5-+) 40.g4 hg4 41.hg4 Nd4 42.Kh2 Ne2 43.Ne3 Nf4 44.Kg3 (44.g5 d4 45.Ng4 e3 46.fe3 f2 47.Nf2 de3-+) 44...d4 (better 44...Ne2 45.Kh2 d4-+) 45.g5 (45.Kf4 de3 46.Ke3-+) 45...de3 46.Kg4 e2 47.Kg3 e1Q 48.Kf4 Qf2 49.Kg4 (49.Kf5 Qc5 50.Kf4 f2 51.Kg4 f1Q 52.Kh5 Qh3 53.Kg6 Qd6) 49...Qg2 (49...Qh2 50.Kf5 f2 51.Kf6 f1Q 52.Ke7 Qc7 53.Ke6 Qff7) 50.Kf5 (50.Kf4 f2 51.Ke5 Qg5 52.Kd6 f1Q 53.Kd7 Qf7 54.Kc6 Qgf6 55.Kc5 Qc4) 50...f2 51.g6 (51.Kf6 f1Q 52.Ke5 Qg5 53.Kd6 Qff6 54.Kd7 Qd5 55.Kc7 Qfd8) 51...f1Q 52.Ke5 (52.Ke6 Qg6 53.Kd7 Qff7 54.Kc8 Qc6 55.Kd8 Qff6) 52…Qff2 (52...Qff2 53.Ke6 Qb6 54.Ke7 Qg5 55.Kd7 Qgd8; 52...Qh2 53.Ke6 Qf8 54.g7 Qhd6) 0-1. allyouneedisluft (2535) - learningfast (2390), Rated Bullet game, lichess.org, 2018. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.e3 d6 6.Nf3 Be6 7.Ra1= b5 (7...a5 8.b5=) 8.Nc3 (better 8.Bb5!? a5 9.ba5+/-) 8...a6= 9.a4 c6 (better 9...c5!?=) 10.ab5+/- cb5 11.Bb5 Nbd7? (11...ab5 12.Ra8 Pinning (12.Ra8 Deflection)) 12.Ra6+- Ra6 13.Ba6 Nb6 14.b5 Qc7 15.Bc1 (15.Nd4 Bg4 16.f3 Bd7+/-) 15...Nc4 (15...Ra8 16.Nd4+/-) 16.0-0+- Ra8 17.b6 (better 17.Nd4+-) 17...Nb6+= 18.Be2 Nfd5 19.Nd5 (19.Nb5 Qc8+=) 19...Nd5 20.e4 (20.c4 Nb6+=) 20...Nf4= 21.d3 Ne2 (21...Ra1 22.Qd2 Bh6 23.Kh1=) 22.Qe2 Bg4 (22...Ra2!?=) 23.c4+/- Qa7 24.h3 Bf3 25.Qf3 Qd4 26.Be3 (26.Rd1 Ra1+/-) 26...Qe5? (better 26...Qd3!? 27.e5 Rc8 28.ed6 ed6=) 27.Bf4 Qf6?? (better 27...Qd4+/-) 28.e5+- de5 (28...Qf4 29.Qf4 Be5+-) 29.Qa8 Bf8 30.Bh6 (30.Bh6 Qg7 31.Bg7 Kg7 32.Rb1+-) 1-0. allyouneedisluft (2510) - fmshawnrl123 (2390), Rated Bullet game, lichess.org, 2017. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.Nf3 a5 6.b5 c6 7.e3 cb5 8.Bb5 b6 9.0-0 Ba6 10.Nc3 Bb5 11.Nb5 Nc6 12.d4 d6 (12...d5 13.c4=) 13.c4 White prepares the advance d5 13...Qd7 14.d5 Na7 15.a4 Nb5 16.ab5 Rac8 17.Qe2 Qc7 18.Rc1 Nd7 19.Bg7 Kg7 20.Nd4 Ne5 Attacks the backward pawn on c4 21.Nc6 Nc6 22.bc6 e6 23.Rb1 ed5 24.cd5 Rb8 (24...Ra8 25.Qb2 Kg8 26.Qd4+/- (26.Qb6? Rab8 27.Qb7 Rb7 28.Rb7 Rb8-+)) 25.Rab2+- Rfe8 26.Qd2 (26.Qg4 Re5 27.Qd4 Kg8+-) 26...Re5 (26...Re4 27.Qd3 f5 28.f3+-) 27.Qd4+- f6? (27...Kg8 28.f4 Re7 29.Rb6+-) 28.e4 (better 28.Rb6!? Rb6 29.Rb6 Re7+-) 28...Rbe8 (28...a4 29.Qa4 f5 30.f3 fe4 31.fe4+-) 29.f3 (29.Rb6 Re4 30.Qe4 Re4+-) 29...Rb8 (29...Kg8+-) 30.Rb6 Rb6 31.Rb6 (worse 31.Qb6 Qb6 32.Rb6 Re8+-) 31...Re7 32.Rb7 Qd8 (32...Qb7 33.cb7 Rb7+-) 33.Qa7 Kf7 34.Re7 Qe7 35.c7 f5 36.Qb7 fe4 37.c8Q ef3 38.Qe6 (38.Qe6 Kg7 39.Qbe7 Kh6 40.Qh3) 1-0. black_bishop_88 (2715) - Ahmdnjr12512 (2175), Daily SuperBlitz Arena, lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.Nf3 d5 6.e3 a5 7.b5 c5 8.Be2 d4 (8...Bg4 9.0-0=) 9.0-0 (9.ed4 cd4 10.Bd4+/- (10.Nd4?! Qd5 11.Nb3 a4=)) 9...Be6 10.Ra1 Nbd7 (10...Nh5!? 11.Qc1 Qd7=) 11.ed4+/- cd4 12.Bd4 Nb6 13.Nc3 Rc8 14.a4 Bc4 15.Bc4 Nc4 16.Re1 e6 17.Qe2 Nd5 (17...Re8!?+/-) 18.Bg7 Kg7 19.Nd5 Qd5 20.d3 Nd6 21.c4 Qh5 22.Qe5 (22.Qd2!?+-) 22...Qe5+/- 23.Ne5 Rfd8 24.d4?? (better 24.f4+/-) 24...Nc4-/+ 25.Nc4 (25.Nf3 Nb6-/+) 25...Rc4 26.Rac1 (26.Re4 Rcd4 27.Rd4 Rd4-+) 26...Rc1 (26...Ra4!? 27.Rc7-+) 27.Rc1-/+ Rd4 28.g3 Ra4 29.Rc7 Rb4 30.Rb7 a4 31.b6 a3 32.Ra7 Rb6 33.Ra3 g5 34.Ra5 h6 35.Kg2 Kg6 36.h3 Rb2 37.g4 Rb3 38.f3 f5 39.Kg3 Kf6 40.h4? (better 40.Ra2-+) 40...gh4 41.Kh4 Rf3 42.gf5 Rf5 43.Ra4 h5 44.Rb4 Ke5 45.Rb5 Kf6 46.Rb4 Kg6 47.Re4 e5 48.Re3 (48.Kg3 Kg5-+) 48...Rf4 49.Kh3 Kf5 Black prepares the advance e4 50.Rg3 (50.Rb3 h4-+) 50...h4 (50...e4 51.Rg2-+) 51.Re3 e4 52.Re2 (52.Kg2 Ke5 53.Ra3 Rg4 54.Kf2 Rg3-+) 52...Kg5 53.Kh2 Kg4 (better 53...Kf6-+) 54.Rc2 (54.Re3 Kf5 55.Kg2 Ke5-+) 54...h3 (54...e3 55.Kg1-+) 55.Rc8 (55.Rc3 Rf3 56.Rc7 Rf2 57.Kg1 e3 58.Rg7 Kf3 59.Rf7 Ke2-+) 55...Rf2 (better 55...e3 56.Rc3 Rf2 57.Kg1-+) 56.Kg1 Kf3 (better 56...e3 57.Rg8 Kf3 58.Rf8 Ke2-+) 57.Rf8+- Ke3?? (better 57...Kg3 58.Rf2 Kg4+/-) 58.Rf2 h2 59.Rh2 Kf3 60.Rh3 Kg4 61.Re3 Kf4 62.Re4 (better 62.Kf2+-) 62…Ke4= ½-½. black_bishop_88 (2520) - Yuriy_Ayrapetyan (2605), lichess.org, 2020. (=1.a3 g6 2.b4 Nf6 3.Ra2 Bg7 4.Bb2)

5.Nf3 d6 6.c4 a6 7.Nc3 e5 8.e3 Nc6 9.d3 d5 10.cd5 (10.b5!? ab5 11.cb5=) 10...Nd5=+ 11.Be2 Nc3 12.Bc3 e4 13.de4?? (better 13.Bg7 ef3 14.Bf8 fe2 15.Re2 Qf8 16.Qc2=+) 13...Bc3-+ 14.Kf1 Qd1 (14...Qe7!? 15.Bc4-+) 15.Bd1 Be6 16.Rc2 Bc4 (better 16...Rfd8!? 17.Be2 Bg7 18.h3-+) 17.Be2 Be2 18.Ke2 Bf6 19.Rhc1 Rad8 (19...Rfe8 20.Nd2-+) 20.Ne1 (20.a4 Rfe8 21.b5 Na5-+) 20...Rd7 (20...Rfe8 21.f3-+) 21.f4 (21.Nd3 Be7-+) 21...Rfd8 22.e5 Be7 23.Nf3 a5 24.b5 Na7 25.a4 c6 26.Nd4 cb5 27.ab5 Bb4 (27...Rd4 28.ed4 Nb5 29.Rc8 Nd4 30.Ke3-+) 28.Rc7? (28.b6 Nc6 29.Nc6 bc6 30.Rc6 Rb7-/+) 28...Kg7?? (28...b6!? 29.g4-+) 29.g4 (29.b6 Nc6 30.Nc6 bc6 31.R1c6 a4+=) 29...h5 (better 29...Rd4!? 30.ed4 Nb5 31.Rb7 Nd4 32.Kf1 h5-/+) 30.e6=+ Rc7 (30...Rd4!? 31.Rf7 Kg8 32.ed4 Nb5=) 31.Rc7= Rf8 32.Rb7 (32.b6!? Nc8 33.ef7 Rf7 34.Rc8 hg4 35.e4+/-) 32...Nc8= 33.Nc6 (better 33.g5!? Bc5 34.Rc7 Bd4 35.ed4=+) 33...Nd6-/+ 34.e7 (34.Rb6 Bc5 (worse 34...hg4 35.Nb4 Nc8 36.e7-/+) 35.Ra6 Re8-/+) 34...Re8 (34...Nb7 35.ef8R Kf8 36.gh5 gh5 37.e4-+) 35.Rd7 Nb5 36.f5? (36.gh5 gh5 37.Kd3 h4-+) 36...Nc3 (36...hg4!? 37.Rd8 Re7 38.Ne7 Be7 39.Rb8 Nc3 40.Kd3-+) 37.Kd3 gf5 (37...hg4 38.Rd8 Re7 39.Ne7 Be7 40.Rd4 gf5 41.Rf4-+) 38.gf5 Kf6 (better 38...Na4 39.Rd4 f6-+) 39.Nb4?? (better 39.Rd8 Re7 40.Ne7 Ke7 41.Rh8-/+) 39...ab4-+ 40.Kc4 (40.Rb7 Re7 41.Rb4 Nd5-+) 40...Ne4 (40...Re7!? 41.Re7 Ke7 42.Kb4 Nd5 43.Kc5 Ne3 44.Kd4-+) 41.Kb4 Re7 42.Rd4 (42.Re7 Ke7 43.Kb5 Nd6 44.Kc5 Nf5-+) 42...Re5 (42...Kf5 43.Rd1-+) 43.Kc4 Kf5 44.Kd3 (44.Rd7 Nf6 45.Rf7 Re3 46.Rb7-+) 44...Nd6 (better 44...Nf2!? 45.Kd2 Ng4 46.h3 Ne3 47.Rh4-+) 45.Ke2?? (better 45.Rd6 Kg4 46.e4=) 45...Nb5 46.Kf3 (46.Rf4 Ke6-+) 46...Nc3 (better 46...Nd4 47.ed4 Rd5-+) 47.Rf4 Ke6 48.Rc4 Nd5 49.Rc6 (49.e4 Ne7-+) 49...Kf5 50.Rh6 (50.Kf2-+) 50...Re4 (better 50...Re3 51.Kf2 Rh3-+) 51.Rh5 Kg6?? (better 51...Ke6 52.Ke4 Nf6 53.Kd4 Nh5-+) 52.Rd5+/- Re6 (52...Rh4 53.Kg3 Re4 54.Rd3+/-) 53.Rd4 Rf6 54.Rf4 Re6 55.e4 f5?? (better 55...Re5 56.Rg4 Kf6+/-) 56.Rg4 (56.ef5 Kf6 57.fe6 Ke6 58.h4 Kd7 59.h5 Kc6 60.h6 Kd7 61.h7 Ke6 62.h8Q Kd5 63.Qd4 Kc6 64.Rf6 Kb5 65.Rb6 Ka5 66.Qb4) 56...fg4-+ 57.Kg4 Re4 58.Kf3 Ra4 59.h4 Ra3 60.Kg2 Kh5 61.Kh1 (61.Kf2 Kh4 62.Ke2 Kg3-+) 61...Ra4 (61...Rg3 62.Kh2 Kh4 63.Kh1 Kg4 64.Kh2 Kf3 65.Kh1 Rh3 66.Kg1 Rh4 67.Kf1 Rh1) 62.Kg1 (62.Kg2 Rg4 63.Kh3 Rg8 64.Kh2 Kh4 65.Kh1 Kg3 66.Kg1 Rf8 67.Kh1 Rf1) 62...Kh4 (62...Rf4 63.Kh2 Kh4 64.Kg2 Kg4 65.Kh2 Kf3 66.Kh3 Kf2 67.Kh2 Rh4) 63.Kf1 (63.Kf2 Ra3-+) 63...Kg3 (63...Re4 64.Kf2 Kg4 65.Kg2 Rf4 66.Kh2 Kf3 67.Kh3 Kf2 68.Kh2 Rh4) 64.Ke1 (64.Ke2-+) 64...Ra2 65.Kd1 (65.Kf1 Kf3 66.Ke1 Re2 67.Kd1 Ke3 68.Kc1 Kd3 69.Kd1 Re4 70.Kc1 Rb4 71.Kd1 Rb1) 65...Kf3 66.Kc1 Ke3 67.Kb1 (67.Kd1 Re2 68.Kc1 Kd3 69.Kd1 Re4 70.Kc1 Rb4 71.Kd1 Rb1) 67...Rd2 (67...Rf2 68.Kc1 Kd3 69.Kb1 Kc3 70.Ka1 Kb3 71.Kb1 Rf1) 68.Kc1 Kd3 (68...Kd3 69.Kb1 Rc2 70.Ka1 Kc3 71.Kb1 Kb3 72.Ka1 Rc1) 0-1. black_bishop_88 (2525) - Goongtoback (2370), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.Nf3 d6 6.e3 e5 7.d4 Be6 8.c4 ed4 9.Nd4 (9.ed4? Re8 10.Bc1 Bc4 11.Re2 Be2 12.Be2 a5-+) 9...Nbd7 10.Ne6 fe6 11.g3 Qe7 12.Bg2 c6 13.0-0 d5 14.cd5 ed5 15.Nc3 Rad8 16.b5 Ne5 17.a4 Nc4 18.Ba1 Rfe8 19.bc6 bc6 20.Ne2 Ne4 21.Bg7 Qg7 22.Qc2 Rb8 23.Nd4 Qf6 24.Rb1? (better 24.Rc1=+) 24...Rb1-+ 25.Qb1 Nc3 26.Qc2 Na2 27.Qa2 Rb8 28.h4 (28.Ne2-+) 28...Rb2 29.Qa1 (29.Qb2 Nb2 30.a5-+) 29…Qf2 (29...Qf2 30.Kh1 Qg2) 0-1. black_bishop_88 (2550) - almostadams (2600), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.Bf6 d5?? 6.Bg7+- Kg7 7.d4 c5 (7...f6 8.Nf3+-) 8.Qd2 (8.bc5 Nc6+-) 8...c4 9.c3 (9.e4 Be6+-) 9...Qc7 (9...Bf5 10.Qb2+-) 10.e4! e6 (10...de4 11.Qe2 Double attack (11.Qe2 Decoy)) 11.e5 f6 12.f4 fe5 13.fe5 Qf7 14.Nf3 Nc6 15.Be2 Ne7 16.0-0 Qe8 17.Qg5 Nf5 18.Nbd2 (18.Nh4!? a5 19.Nf5 ef5+-) 18...h6 19.Qg4 (better 19.Qf4!? g5 20.Ng5 hg5 21.Qg5 Kh8+-) 19...Ne3 20.Qh3 Nf1 21.Nf1 g5 (21...a5 22.ba5 Ra5 23.Qg4+-) 22.Ng3 Qg6 23.Rd2?? (better 23.Nd2+-) 23...g4= 24.Nh5 Kh8 25.Qg3 (better 25.Qh4!? gf3 26.Bd1=) 25...Qh5-/+ 26.Nh4 Qg5 27.Rd1 Bd7 28.Bg4 Rg8 29.h3? (better 29.Bh3 Qg3 30.hg3 Rg3 31.Nf3-+) 29...Raf8?? (better 29...h5 30.Nf3 Qe7-+) 30.Nf3 (30.Qe1!?=+) 30...Qe3-/+ 31.Qf2 Qf2 (31...Qc3 32.Qh4 Qe3 33.Kh1 c3-/+) 32.Kf2=+ Rg5 33.Kg3 Rg7 34.Kh4 Rf4 35.Re1 Be8 36.Kg3 (36.Ng1 Bf7=) 36...Rf8=+ 37.Kh2 Bf7 38.Nh4 h5 39.Bf3 Rg5 40.Re3 Rfg8 41.Re1 Bg6 42.Ng6 R8g6 43.Re3 (43.Rf1 h4=+) 43...h4 (43...Rg3 44.h4=+) 44.a4 Rg3 45.a5 a6 46.b5 (46.Re1 Rg8=+) 46...ab5 47.Re2 b4 48.Rb2?? (48.cb4 Rg8 Combination) 48...bc3-+ 49.Rb7 (49.Rc2-+) 49...c2 50.a6 Rg8 51.a7 c1Q 52.Rb8 (52.Bg4 Qd2 53.Rb2 Qb2 54.Be2 Qe2 55.a8Q Qg2) 52...Qf4 (52...Rh3 53.gh3 Qg1) 53.Rg8 (53.Kg1 Qf3 54.Rg8 Rg8 55.g4 hg3 56.a8R Qf2 57.Kh1 Qf1) 53…Rg8 (53...Rg8 54.Kh1 c3 55.Kg1 c2 56.Kf2 Qd2 57.Kg1 c1Q 58.Kh2 Qf4 59.g3 Qg3) 0-1. black_bishop_88 (2530) - KPrometeo (2460), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.Bf6 ef6 6.c4 d6 7.d4 f5 8.g3 Nd7 9.Nf3 Nf6 10.Bg2 c6 11.0-0 Re8 12.e3 Ne4 13.Rc2 Bd7 14.Nbd2 Qe7 15.Ne4 fe4 16.Nd2 d5 17.cd5 cd5 18.Rc5 Be6 19.Qc2 Rec8 20.Rc1 Qd7 21.Nb3 b6 22.Rc8 Rc8 23.Qd2 (23.Qc8 Qc8 24.Rc8 Bc8=) 23...Qa4 24.Rc8 Bc8 25.Qb2 Ba6 26.Bf1 Bc4 (26...Bf1 27.Kf1 a6 28.Kg2=+) 27.Bc4= dc4 28.Nd2 Qd1 29.Kg2 Qe2 (better 29...f5!?=) 30.Qc3+/- b5 31.Ne4 h5 32.Qd2 Qd2 33.Nd2 Kf8 34.Ne4 Ke7 35.Nc3 a6 36.Kf3 Kd6 37.Ke4 (37.Ne4 Kc6+/-) 37...f5 38.Kf4 Bh6 39.Kf3 g5 40.h3 g4 41.hg4 hg4 42.Ke2 Bg7 43.Kd2 Bf6 44.Ne2 Kd5 45.Kc3 (45.Nf4!? Kd6 46.Nh5+/-) 45...Ke4= 46.Nf4 (better 46.Kd2!?=) 46...Kf3-/+ 47.Nd5 (47.Kd2 Kf2 48.Ne2-+) 47...Bd8-+ 48.a4 Kf2 49.ab5 ab5 50.e4 (50.Kd2-+) 50...fe4 51.Nf4 (51.Kd2-+) 51...e3 52.d5 e2 (better 52...Bg5!? 53.Kd4 Bf4 54.Kc5-+) 53.Ne2 Ke2 54.d6 Kf3 55.d7 Kg3 56.Kd4 Kf4 57.Kd5 g3 (57...g3 58.Kc5 c3 59.Kd6 c2 60.Kc6 c1Q 61.Kb7 g2 62.Ka8 Qc6 63.Kb8 Bc7 64.Kc8 Bd6 65.Kd8 Qa8) 0-1. black_bishop_88 (2520) - Davi_1 (2495), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.Bf6 ef6 6.c3 Re8 7.d4=.

5.Bf6 ef6 6.c3 f5 7.d4= d5 8.e3 c6 9.Nf3 a6 (9...Re8 10.Be2=) 10.Nbd2 (10.Bd3 a5=) 10...Ra7 (10...Re8 11.Be2=) 11.Be2 b5 (11...f4 12.ef4 Qf6 13.g3=) 12.0-0 Re7 13.a4 Rfe8 14.ab5 cb5 15.g3 Bb7 16.Nb3 Nd7 17.Nc5 Nc5 18.bc5 (worse 18.dc5 Bc3 19.c6 Bc8-/+) 18...Qc7 19.Qb3 h6 20.Rfa1 g5 (20...Qc6 21.Ne1 Ra8 22.Nd3+/-) 21.Ra6+/- Ba6 22.Ra6 f4 23.Bb5 Rb8 24.Rb6 (better 24.ef4 gf4 25.c4 dc4 26.Qc4 fg3 27.hg3+/-) 24...Rb6-/+ 25.cb6 Qb6 26.gf4 (26.Qd5 fe3 27.Bd3 e2 28.Qa8 Bf8-+) 26...Rb7 27.Qd5 Qb5 28.Qb5 Rb5 29.fg5 hg5 30.c4 Rb4 31.c5 g4 32.Nd2 Rb2 33.Ne4 (better 33.Nc4 Rc2 34.Nd6-+) 33...Bf8?? (better 33...f5!? 34.Nd6 f4-+) 34.Kg2 (better 34.Nf6 Kg7 35.Ng4=+) 34...Kg7-/+ 35.Kg3 f5 36.Ng5 Kf6 37.h4 (37.Nh7 Ke7 38.Ng5 Bh6-+) 37...Be7 (37...Bh6 38.f4-+) 38.f3 gf3 39.Kf3 Kg6 40.Ne6 (40.Kf4 Bg5 41.hg5 Rf2 42.Kg3-+) 40...Kf6 (better 40...Bh4 41.Nf4 Kf6-+) 41.d5?? (better 41.Ng5=) 41...Rc2 42.c6 Bd6 43.Nd4 Rh2 44.e4 (44.h5 Rh5 45.Ne6 Ke5-+) 44...fe4 45.Ke4 Rh4 46.Kd3 Rh3 (better 46...Rh5 47.Kc4-+) 47.Kc4?? (47.Ke4 Ra3 48.Nf3 Ra4 49.Kd3-+) 47...Rh4 (better 47...Ke5 48.Nb5-+) 48.Kd3 Ke5 (better 48...Rh5 49.Kc4 Ke5 50.Nf3 Ke4 51.Nd2 Ke3-+) 49.Nf3= Kd5 50.Nh4 Kc6 51.Nf5 Be5 52.Nd4 Bd4 ½-½. black_bishop_88 (2550) - Firouzja2003 (2655), lichess.org, 2020. (=1.a3 g6 2.b4 Nf6 3.Ra2 Bg7 4.Bb2)

5.Bf6 Bf6 6.c3 a5 7.Qb3 d6 8.d4 Be6 9.d5 Bf5 10.f3? (10.Nd2 ab4 11.cb4 c6=+) 10...c6 (better 10...Bb1 11.Qb1 Bc3 12.Kf2 ab4 13.ab4 Ra2 14.Qa2 Bb4-+) 11.e4-/+ Bd7 12.c4 (12.Ne2 b5-/+) 12...b5 (12...Qb6 13.b5-/+) 13.dc6 Nc6 14.cb5 Nd4 15.Qd1 Be6 (15...Bb5?! 16.Bb5 Nb5 17.Qd3-/+) 16.Rd2 (better 16.Rf2 Bb3 17.Qc1-+) 16...Nb3?? (better 16...Bb3!? 17.Qc1 Rc8 18.Nc3-+) 17.ba5? (better 17.Rd3 ab4 18.ab4-/+) 17...Qa5 18.Nh3? (18.Bd3 Bg5 19.h4 Nd2 20.Nd2 Qa3-+) 18...Nd2 (better 18...Rfc8 19.Nf4 Rc1 20.Qc1 Nc1 21.Ne6-+) 19.Qd2 Qd2 (19...Rfc8 20.Qa5 Ra5 21.Kd1-+) 20.Nd2? (better 20.Kd2 Rfb8 21.Nf4-+) 20...Ra3 21.Nf4 Ra1 22.Kf2 (22.Ke2 Bd7 23.b6 Bc6-+) 22...Ra2 (22...Bd4 23.Ke2 Bd7 24.Nb3 Bb5 25.Nd3 Ra2 26.Kd1-+) 23.Ke3 Rfa8 (better 23...Bg5!? 24.g3 Bd7-+) 24.Ne6-/+ R8a3 25.Kf4 (better 25.Bd3!? fe6 26.f4-/+) 25...fe6 26.Nc4 Rc3 27.b6 (27.Kg3 Bd4 28.Kf4 g5 29.Kg5 d5-+) 27...Ra4 (27...d5 28.b7 Rb3 29.h4-+) 28.b7 (28.Be2 Rb4 29.Rd1 Kf7-+ (29...Rbc4?! 30.Bc4 Be5 31.Kg5 Rc4 32.Rb1-+; 29...Rcc4?! 30.Bc4 Rc4 31.Rb1-+)) 28...Rb4 29.Na5 (29.Be2 Rb7 (29...Rcc4?! 30.Bc4 Rb7 31.Be6 Kg7 32.Ke3=) 30.Rd1 Rc7-+) 29...Rc5 30.Bc4 (30.Nc4 Rb7 (30...Rcc4?! 31.Bc4 Rb7 32.Be6 Kg7 33.Ke3=) 31.e5 Bg7 32.ed6 ed6-+) 30...Kg7 (better 30...Kf7 31.Nc6 Rc6 32.Bd3-+) 31.Be6 Ra5 32.Bc8 Rab5 (better 32...Rb2 33.Kg3 Rg5 34.Kh3 Rh5 35.Kg3 Be5 36.f4 Rb3 37.Kf2 Bf4-+) 33.Rc1 (33.Kg3-+) 33...Bg5 34.Kg4 Bc1 35.h4 h5 36.Kh3 Rb7 (better 36...Rb1 37.Be6 Bf4-+) 37.g4 (37.Bb7 Rb7 38.g3 Rb2-+) 37...Rc7 (37...Bf4 38.Bb7 Rb2 39.gh5 gh5 40.Bd5 Rh2) 38.gh5-+ Rc8 39.hg6 Rc2 (39...Rf8 40.Kg3 Bf4 41.Kh3 Rb1 42.h5 Rh1 43.Kg2 Rh2 44.Kf1 Rc8 45.h6 Kh6 46.g7 Rc1) 40.h5-+ Rbb2 41.h6 (41.f4 Rg2 42.h6 Kh6 43.g7 Bf4 44.g8Q Rg8 45.Kh4 Rh2) 41...Kh6 (41...Kg6 42.Kg4 Rg2 43.Kh4 Rh2 44.Kg4 Rbg2) 42.Kg4 (42.Kh4 Rg2 43.Kh3 Bf4 44.Kh4 Rg6 45.Kh3 Rh2) 42...e6 (42...Rg2 43.Kh3 Bf4 44.Kh4 Rg6 45.Kh3 Rh2) 43.f4 Rc3 (43...Rg2 44.Kh4 Rg6 45.Kh3 Bf4 46.Kh4 Rh2) 44.f5 (44.g7 Rg2 45.Kh4 Bd2 46.g8N Rg8 47.f5 Be1) 44...Rg2 45.Kh4 Bg5 0-1. black_bishop_88 (2530) - Super_GM_1 (2595), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.Bf6 Bf6 6.d4 d6 7.c3 a5 8.e3 Be6 9.Rb2 ab4 10.ab4 c5 (10...Ra1 11.Bd3=+) 11.Nf3 (11.bc5!? dc5 12.Rb7= (worse 12.dc5 Nd7=+)) 11...cd4=+ 12.Nd4 Bd7 13.Be2 Nc6 14.Bf3 Ne5 (14...Qc7 15.b5 Na5 16.Rb4=+) 15.0-0 (15.Bb7!? Ra1 16.Bd5+=) 15...Nf3 16.Qf3 Qc8 17.Rd1?? (17.e4 Qc4 18.Nd2 Qc7=+) 17...Ra1 (better 17...Bg4 18.Qd5 Bd1-+) 18.h3 Bd4 (18...Qc7!?=+) 19.cd4= (worse 19.Rd4 Qc3 20.Qe2 Bb5-+) 19...Ba4 20.Rf1 Bb5 21.Rd1 Qc4 (21...Qc6 22.Qc6 bc6 23.d5=) 22.Nd2 (22.Qb7!? Re8 23.Kh2+/-) 22...Rd1= 23.Qd1 Qc3 24.Rb3 Qc6 25.Qa1 Rc8 26.Kh2 Qc2 27.Rb2 Qf5 28.Nf3 Bc6 29.Qd1 h5 30.Rd2 (30.Ne1 Bd5=) 30...Bd5 (30...Bf3 31.gf3 Rc4 32.Qb3=+) 31.Nh4 Qg5 (31...Qf6 32.Nf3=+) 32.g3 Rc3 33.Qe2 Rc1 34.e4? (better 34.Rd1 Rd1 35.Qd1=) 34...Be4!-+ 35.f3 (35.Qe4 Qd2 Deflection (35...Qd2 Overloading)) 35...Bd5 36.Rc2 Rc2 37.Qc2 Qe3 38.Ng6 (38.b5-+) 38...Qf2?? (better 38...fg6 39.Qg6 Kf8 40.Qf5 Bf7-+) 39.Qf2+- fg6 40.Qe3 Bf7 (40...Kf7 41.Qg5 e6 42.f4+-) 41.Qe7 d5 42.Qd6 (42.Qb7!? h4+-) 42...Kg7 43.Qe5 Kh7 44.Qf6 (44.b5!? h4+-) 44...Kg8 45.g4 h4 (45...hg4 46.hg4 b5 47.Qb6+-) 46.Kg2 (46.Qh4 Kg7 47.f4 Kf8+-) 46...Kf8 47.Kf2 Ke8 48.Ke3 Kd7 (48...Kf8 49.Qh8 Ke7 50.Qh4 Kd7 51.Qf6+-) 49.Kf4 (49.Qf7 Kc8 50.b5 b6 51.Qe6 Kb7 52.Qc6 Ka7 53.Qc7 Ka8 54.Qb6 g5 55.Qc6 Kb8 56.Qd7 Ka8 57.b6 Kb8 58.Qc7 Ka8 59.Qc8) 49...Ke8 50.Ke5 Bg8 (50...Kf8 51.Qh8 Bg8 52.Qh6 Kf7 53.Qg5 Kf8 54.Qd8 Kg7 55.Qf6 Kh7 56.Qe7 Kh8 57.Kf6 Bf7 58.Qf8 Kh7 59.Qg7) 51.Kd6 Be6 (51...g5 52.Qe7) 52.Qe7 1-0. black_bishop_88 (2485) - mc4chess (2565), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.Bf6 Bf6 6.Nf3 d5 7.c3 c6 8.d4 Bf5 9.e3 Nd7 10.Bd3 e5 (10...Bd3!? 11.Qd3 e5=+) 11.Bf5+= gf5 12.de5 Ne5 13.Ne5 Be5 14.0-0 f4 (14...Qh4 15.g3 Qg4 16.Rb2=) 15.ef4 Bf4 16.Qg4 (16.Re2 Qd6 17.g3 Qg6=) 16...Qg5= 17.Qg5 Bg5 18.Re2 Rfe8 19.Rfe1 Kf8 20.Re8 Re8 21.Re8 Ke8 22.g3 Ke7 23.f4 Bf6 24.Kf2 Bg7 25.Ke3 f5 26.Kd3 Ke6 27.Nd2 h5 28.Nf3 Bf6 29.h3 Kf7 (29...b6 30.a4=) 30.c4 (30.Nd4 Kg6+=) 30...Ke6 31.a4 White prepares the advance b5 31...b6 32.h4 a6 33.Ng5 Kd6 34.Nf3 c5 (34...dc4 35.Kc4 b5 36.Kb3-/+) 35.b5= ab5 36.ab5 Ke6 37.Ng5 Kd6 38.Nf3 Ke6 (better 38...d4=) 39.Ne1?? (better 39.cd5 Kd5 40.Nd2=) 39...Bd4-/+ 40.Nf3 (40.cd5 Kd5 41.Nc2 Bf2-/+) 40...Bf2 (40...dc4!? 41.Kc4 Bf2 42.Ng5 Ke7 43.Nf3-+) 41.Ng5 Ke7 (41...Kd6 42.Nf7 Ke7 43.Ne5-/+) 42.cd5 Bg3 43.Ne6 Bh4 44.Kc4? (44.Ng7 Kf6 45.Ne8 Kg6 46.Nd6=+) 44...Kd6?? (better 44...Bf6 45.Ng5 Kd7-+) 45.Ng7= Bg3?? (better 45...Bf2 46.Nh5 Ke7+=) 46.Nf5+- Kd7 47.Ng3 h4 48.Nf1 h3 49.Nh2 Kd6 50.f5 (better 50.Ng4+-) 50...Kd7 (50...Ke5+-) 51.f6 Kd6 52.Ng4 Kd7 53.Kd3 (53.Ne5 Kc7 54.f7 h2 55.f8Q h1Q 56.Qe7 Kb8 57.Nc6 Kc8 58.Qd8 Kb7 59.Qb8) 53...Kd6 (53...h2 54.Nh2 Kd6 55.Nf3+-) 54.Ke4 (better 54.f7 Ke7 55.Nh6 Kf8+-) 54...c4 55.Kf5 (55.Kd4 h2 56.Nh2 c3 57.Kc3 Kd7 58.Ng4 Kd6 59.Kd4 Kc7 60.f7 Kb8 61.f8Q Kb7 62.d6 Ka7 63.Qe7 Ka8 64.d7 Kb7 65.d8Q) 55...c3 (55...h2 56.Nh2 c3 57.f7+-) 56.Kg6 (56.f7 Ke7 57.d6 Kd6 58.f8Q Kc7 59.Ne5 c2 60.Qe7 Kc8 61.Qd7 Kb8 62.Nc6 Ka8 63.Qc8) 56...c2 57.f7 Kd5 (57...c1Q 58.f8Q Kd5 59.Qf5 Kd4 60.Qe5 Kd3 61.Nf2 Kc2 62.Nh3+-) 58.f8Q (better 58.Ne3 Ke6 59.Nc2+-) 58...Kd4 (58...c1Q 59.Qf5 Kd4 60.Qe5 Kd3 61.Nf2 Kd2 62.Nh3+-) 59.Qf5 (59.Qb4 Kd3 60.Ne5 Ke3 61.Qc3 Ke4 62.Kf6 c1N 63.Qc4 Ke3 64.Qc1 Ke2 65.Qc2 Ke3 66.Qd3 Kf2 67.Qd2 Kg3 68.Qe2 h2 69.Qf3 Kh4 70.Qg4) 59...Kc3 (59...c1Q 60.Qe5 Kd3 61.Nf2 Kd2 62.Nh3 Qc3 63.Qf4 Qe3+-) 60.Qc2 Kc2 61.Kg5 Kc3. black_bishop_88 (2555) - jar0slav1 (2550), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.Bf6 Bf6 6.Nf3 e5=+.

5.g4 d5 6.g5=+ Ne4 7.Bg7 Kg7 8.h4 e5 9.d3 Nd6 10.Nf3 e4 11.de4 de4 12.Qd4 Kg8 13.Ne5 Be6 14.Bh3?? (better 14.Rb2=+) 14...Ba2-+ 15.Ng4 Nf5 16.Nf6 Kh8 17.Qb2 Qd4 (better 17...Bb1 18.Bf5 gf5 19.Ne4 f6 20.Nf6 Rf7-+) 18.Nc3? (18.c3 Qc4 19.Nd2-/+) 18...Be6 (better 18...e3!? 19.Bf5 ef2 20.Kf1 gf5 21.Qa2 Qc3 22.Kf2 Qd4 23.Kg2-+) 19.e3 Qe5 20.Ng4 Qg7 21.Nf6 Nd7 22.Nce4 Bd5! 23.Bg2 (23.Nd5 Qb2 Pinning (23...Qb2 Deflection)) 23...Be4 (23...Nf6!? 24.gf6 Qh6 25.c4 Bc4 26.Ng5-+) 24.Be4 Nf6 (24...Nd6!? 25.h5 gh5 26.Bf3-+) 25.gf6 Qh6 26.Bf5 (26.h5-+) 26...gf5 27.Qe5 Rae8 28.Qf5 (28.Qd4 Rd8 29.Qc4 Rfe8-+) 28...Re6 (better 28...Re3!? 29.fe3 Qe3 30.Kf1-+) 29.Qg5 (29.c3 Ra6-+) 29...Qf6 30.Qf6 Rf6 31.Rg1 Rd8 32.Rg5 Rdd6 (32...Rc6 33.Ra5-+) 33.Rc5 (33.b5 c6 34.a4 Rh6-+) 33...Rc6 34.Rd5. black_bishop_88 (2535) - stahlex (2435), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.g4 d5 6.g5 Nh5 7.Bg7= Ng7 8.h4 (8.d4 Bf5=) 8...c5 (8...e5 9.Nf3 e4 10.Nd4=+) 9.e3 e5 (9...cb4 10.ab4 e5 11.b5=) 10.Be2 (10.bc5 Qe7=) 10...Nc6 11.b5 Ne7 12.h5 Nef5 13.hg6 fg6 14.Nh3 (14.c4 d4-/+) 14...Be6 (14...Nd6 15.Bg4-/+) 15.Rb2 c4 16.Nc3 d4 17.Ne4 Rc8 (17...Bd5!? 18.Nf6 Rf6 19.gf6 c3 20.dc3 Bh1 21.fg7 Qh4 22.cd4 ed4-+) 18.Nf6= Rf6 19.gf6 Qf6 20.Rb4 Rf8 (better 20...Nh4 21.Bg4 Kh8 22.Be6 Nf3 23.Ke2 Ne6=+) 21.Bg4?? (21.Bc4 Bc4 22.Rc4 Nd6+/-) 21...Nh4 (better 21...de3!? 22.d3 ef2 23.Nf2 Ng3 24.Be6 Ne6-+ (24...Qe6?! 25.Rh2-/+)) 22.Be6 Ne6 23.Qg4 (worse 23.Rc4 de3 24.fe3 Ng2 25.Ke2 Qf3 26.Kd3 Rd8 27.Kc3 Qd1 28.Rd1 Ne3 29.de3 Rd1-/+) 23...Nf3 24.Ke2 d3 25.cd3 cd3 26.Kd3 e4 (26...Qd8!? 27.Kc2 Qd2 28.Kb1 Qd3 29.Ka2 Nc7=) 27.Ke2+/- (worse 27.Re4 Rd8 28.Ke2 Rd2 29.Kf1 Nfg5=) 27...Nc5 28.Re4 (28.Nf4 Qf7+/-) 28...Ne4 (28...h5!? 29.Qf4 Qd8=) 29.Qe4+/- Ne5? (29...Rf7!?+/-) 30.Nf4 (30.Qb7 Rf7 31.Qd5 Qf5+-) 30...Rd8 (30...b6 31.Qb7 Nf7 32.Qa7+-) 31.d4 Nc4? (31...Nf7 32.Qb7 Qf5 33.a4+-) 32.Qe6 (better 32.Qb7 h5 33.Rg1+-) 32...Qe6 33.Ne6 Rd6 34.Ng5 h5 (34...Rd5 35.f4 Rb5 36.a4+/-) 35.Rc1 (35.a4 Rd5 36.Ne4 Rd8+-) 35...Nb6 (35...Na3 36.Rc8 Kg7 37.Rc7 Kf8 38.Rb7 Ke8 39.Ra7 Nb5+-) 36.Rc7 Rd5 37.Ne4 (better 37.Ne6!? Rd7 38.Rd7 Nd7 39.e4+-) 37...Rb5+/- 38.Rb7 Rb2? (better 38...Ra5+/-) 39.Kf3+- Nc4 40.Nf6 Kf8 41.Ra7 Nd2 42.Kf4 Nf1 (42...Nc4 43.Ne4+-) 43.f3 (43.Kg5 Rf2 44.Kg6 Rg2 45.Kf5 Rg7 46.Rg7 Kg7 47.Nh5 Kf7+-) 43...Rf2 (43...h4 44.Nd7 Ke8 45.e4+-) 44.Nh7 (44.e4 Nh2 45.Nd7 Kg8+-) 44...Kg8 (44...Ke8 45.e4+-) 45.Ng5 Kf8 46.Ne6 Ke8 47.d5 (better 47.e4+-) 47...Nh2 (47...Nd2 48.Nd4 Nc4 49.Rc7+-) 48.Nd4 (48.Ke5 Nf3 49.Kd6 g5 50.Re7) 48...Rf3 (48...g5 49.Ke4 Rd2+-) 49.Nf3 Nf3 50.Kf3 g5 51.e4 g4 52.Kf4 Kd8 53.e5 (53.e5 Ke8 54.e6 Kf8 55.d6 g3 56.Kg5 g2 57.Kh6 g1Q 58.Ra8) 1-0. black_bishop_88 (2475) - AmaraMaple (2500), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.g4 d6 6.g5=+ Ne8 7.Bg7 Ng7 8.h4 e5 9.e3 Be6 10.c4 b6 11.Nc3 Nd7 12.d3 c6 13.Rd2 a5 (13...f5 14.Bg2 Rc8 15.b5=) 14.Bg2 ab4 15.ab4 Rc8 16.Nge2 f6 17.Ng3 White prepares h5 17...f5 18.h5 f4 19.Nge4 (19.ef4 Rf4 20.hg6 hg6+=) 19...fe3 (19...Nh5!? 20.Ra2 Qe7=+) 20.fe3= Nf5? (better 20...d5!? 21.hg6 hg6 22.Nf6 Nf6 23.gf6 Rf6=+) 21.hg6+/- hg6 22.Qg4 Kg7 (22...Kf7 23.Rh7 Kg8+-) 23.Qe2?? (better 23.Nd6 Rc7 24.Be4+-) 23...d5-/+ 24.cd5 (better 24.Nf6!? Nf6 25.gf6 Qf6 26.Qf2-+) 24...cd5-+ (worse 24...Bd5 A) 25.Nd5? cd5 26.Rd1 Qe7-/+ (26...de4?! 27.de4 Qg5 28.Rd7 Ne7 29.Rh3=+); B) 25.Rc2+=) 25.Kd1?? (25.Rd1 de4 26.Ne4-+) 25...de4 26.Ne4 (26.de4 Ng3 27.Qd3 Nh1 28.Bh1-+) 26...Rh8 (better 26...Bb3 27.Ke1 Rc1 28.Kf2 Nd4 29.Bf3 Nf3 30.Rc1 Nd2 31.Ke1 Nf3 32.Kf1 Nd4 33.Qf2 Rf2 34.Nf2 Nf5-+) 27.Rh8 Qh8 28.Ra2 (28.Qf2-+) 28...Bb3 (better 28...Ba2!? 29.Qa2 Ne3 30.Kd2 Rc2 31.Qc2 Nc2 32.Kc2-+) 29.Ke1 Qh4 30.Qf2 Rc1 (30...Ba2 31.Qh4 Nh4 32.Bh3-+) 31.Ke2 (31.Kd2 Rd1 32.Ke2 Ba2 33.Qh4 Nh4 34.Bh3-+) 31...Qf2 32.Nf2 Ba2 33.Kd2 (33.Be4 Rg1-+) 33...Rg1 34.Bh3 Bd5 (34...Be6 35.Ne4-+) 35.Ng4 (35.e4 Be6 36.ef5 gf5-+) 35...Rg4! 36.Bg4 e4 37.de4 Be4 38.Kc3 Ne5 39.Be2 Ne3 (better 39...Nf7 40.Bd3 Ng5 41.Be4 Ne4 42.Kd3 Nf2 43.Ke2-+) 40.Kd4 Bf3 41.Ba6 (41.Ke3 Be2 42.Ke2-+) 41...N5g4 42.Bc8 Bd5 (42...Nf5 43.Kc3-+) 43.Kd3 (43.Bg4 Ng4 44.Kd5 Ne3 45.Kc6-+) 43...Bc4 (better 43...Nf5!? 44.Kc3-+) 44.Kd4 b5 45.Bd7 Kf7 46.Bb5 (46.Kc5 Nf2 47.Bb5 Nd3 48.Kd4 Bb5 49.Ke3-+) 46...Ke7 (better 46...Bb5 47.Kc5 Bc4 48.b5-+) 47.Bc6 (47.Bc4 Nc4 48.Kc4-+) 47...Kd6 (better 47...Be6 48.Kc5-+) 48.Be4 (48.Be8 Bg8 49.Bg6 Nd5-+) 48...Bf7 49.Bd3 Nf5 50.Ke4 (50.Bf5 gf5 51.b5 Ne5-+) 50...Ne5 (50...Nf2 51.Kf3 Nd3 52.Kg4-+) 51.Kf4 (51.Ba6-+) 51...Nd3 52.Ke4 Nb4 53.Kf3 Nc6 54.Kf4 Ncd4 55.Kg4 Ne6 56.Kf3 Ng5 57.Kf2 Be6 58.Ke1 Kd5 59.Kd1 Ke5 (better 59...Ne4 60.Ke2-+) 60.Kc1 Ne4 61.Kb2 g5 62.Ka3 g4 63.Kb4 (63.Kb2 g3 64.Ka3 g2 65.Ka4 g1Q 66.Ka3 Qc5 67.Kb2 Qc3 68.Kb1 Nd2) 63...g3 64.Ka5 g2 65.Kb6 ½-½. black_bishop_88 (2465) - mikhail086 (2350), lichess.org, 2020. (=1.a3 g6 2.b4 Nf6 3.Ra2 Bg7 4.Bb2)

5.g4 Ng4 6.Bg7 Kg7 7.e3 Nf6 8.h4 h5 9.Nf3 d5 10.d4 Bg4 11.Be2 Nbd7 12.Ng5 (12.Nbd2 Re8-/+) 12...Re8 13.Nc3 e5 14.Bg4 Ng4 (14...hg4 15.Ne2-/+) 15.Nd5 (better 15.de5!? c6 16.e6 fe6 17.f3-/+) 15...ed4-+ 16.Qd4 f6?? (better 16...Ndf6 17.c4 c6-+) 17.Nf4 Nf8 18.Qc3 (18.Nf3!?=) 18...Ne5=+ 19.Ne4? (better 19.Ngh3=+) 19...Nf3-+ 20.Ke2 Re4 21.Kf3 Re5?? (better 21...Rf4 22.Kf4 Qd6 23.Kf3 Qd5 24.e4 Qa2 25.Qc7 Qf7 26.Qf7 Kf7-+) 22.Rg1= Qe7 23.Raa1 Qf7 (23...a5 24.Rab1=) 24.Rad1+= Rae8 25.Rd4 c6 26.Qd3 g6 seems the pivot of the position 26...g5 27.Ke2 g4 28.Kd2 Ne6? (better 28...c5 29.Rd6 cb4 30.ab4 Qe7+=) 29.Rd7+- Re7 30.Nh5?? (better 30.Re7!? Qe7 31.Ng6+-) 30...Kf8 (better 30...Rh5!? 31.Re7 Qe7 32.Rg4 Kf8-/+) 31.Rd8+= Nd8 32.Qd8 Re8 33.Qd6 Kg8? (better 33...R8e7 34.Nf4 Qg7+=) 34.Nf6?? (better 34.Rg4 Kh8 35.Qf6 Qf6 36.Nf6+-) 34...Kg7?? (better 34...Kh8 35.f4 R5e6 36.Ne8 Rd6 37.Nd6 Qd5 38.Ke2 Qd6 39.Rg4 Qd7-+) 35.Ne8+- Re8 36.Qd4 (36.Rg4 Kh7 37.Rf4 Qe7 38.Qe7 Re7+-) 36...Kg8 (36...Kh7 A) 37.Qa7? Qf2 38.Kc3 Re3 (38...Qg1?! 39.Qb7 Kg8 40.Qc6 Qe3 41.Kb2-+) 39.Kb2 Rb3 (39...Qg1 40.Qb7 Kg8 41.Qc8 Kg7 42.Qd7 Kf6 43.Qc6 Re6 44.Qc3 Kf5 45.Qd3 Kf4 46.Qc4 Re4 47.Qc7 Kf3 48.Qf7 Kg3 49.Qc7 Kh3 50.Qd7-+) 40.Kb3 Qa7 41.Rg4 Qe3 42.Kb2 b5-+; B) 37.Rg4?! Qf2 38.Kd3 Qf5 39.Kc3 Re3 40.Qe3 Qg4+-; C) 37.Ke1+-) 37.Qg4 Kf8 38.Qf4 (38.Ke2 a6+-) 38...Rd8 39.Kc1 Qf4 40.ef4 Rd7 41.Rg5 (41.h5 Rh7 42.Rg5 Rh6+-) 41...Re7 42.f5 (42.h5 Re1 43.Kd2 Rh1+-) 42...Rf7 (42...Re2 43.f4+-) 43.f6! Ke8?? (43...Rf6 44.Rg2 Combination) 44.Rg8 Kd7 45.Rg7 Ke6 46.Rf7 Kf7 47.h5 (better 47.Kd2!? Kf6 48.Ke3 Kf5+-) 47...Kf6 48.h6 (better 48.f4!? Kg7 49.f5 Kh6+-) 48...Kg6 49.h7! Kh7 50.f4 Kg6 51.f5?? (better 51.Kd2+-) 51...Kf5= 52.Kd2 Ke4 53.c3 Kd5 54.Kc2 (54.Kd3 b5=) 54...Kd6 (54...Kc4 55.Kb2-+) 55.Kb3 Kc7 56.c4 a5 (56...Kd6 57.c5 Kd5 58.Kc3=) 57.c5 (better 57.ba5 c5 58.Kc2=) 57...a4?? (better 57...ab4 58.ab4 b5=) 58.Ka4+- b6. black_bishop_88 (2485) - KillerCow (2465), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.g4 Ng4-+ 6.Bg7 Kg7 7.h3 Nf6 8.h4 (8.Nf3 d5-+) 8...e5 9.d3 d5 10.Qd2 (10.Nf3 Nc6-+) 10...e4 (10...Nc6 11.Bg2-+) 11.h5 Nh5 12.Nc3 (12.Nh3 Be6 13.Nf4 Nf4 14.Qf4 h5-+) 12...f5 13.d4 (13.de4 de4 14.Nh3 Qd2 15.Kd2 Nc6-+) 13...f4 14.Nh3 (14.Bh3 Qg5 15.Kd1 Nc6-+) 14...Qh4 (14...e3 15.Qd3-+) 15.Kd1 (15.Nd5 e3 16.Qc3 Bh3-+) 15...Nc6 16.Nd5 Be6 (better 16...Bh3 17.Bh3 e3 18.fe3 Ng3-+) 17.Nc7 (17.Nhf4 Qh1 18.Ne6 Kf7 19.Ndc7 Qf1 20.Qe1 Qe1 21.Ke1-+) 17...Ba2 18.Na8 Ra8 19.d5 (19.e3 Rf8 20.Qc3 Bd5-+) 19...Rd8 (19...Qf6 20.c3 Bd5 21.Qb2-+) 20.c4 (20.Qc3 Qf6 21.Qf6 Kf6-+) 20...Bc4 21.Qc3 Kh6 (better 21...Qf6 22.Qf6 Kf6-+) 22.Qc4 Ne7 23.Qe4 (23.Bg2 Nd5 24.Kc1-+) 23...Rd5 (better 23...Nd5 24.Kc2 Qf6-+) 24.Kc2=+ Qf6 (24...Kg7!? 25.Nf4 Qf4 26.Qe7 Kh6=+) 25.Nf4= Qc6 (25...Re5 26.Qc4=) 26.Kb3 a5? (26...Rd1 27.Qc6 Nc6 28.e3=) 27.Rh5?? (better 27.Nd5 Nd5 28.Qe5+- (28.ba5?! Qc3 29.Ka2 Qd2 30.Ka1 Qc1 31.Qb1 Qa3 32.Qa2 Qc1 33.Qb1 Qa3 34.Qa2 Qc1 35.Qb1 Qa3=)) 27...gh5= 28.Nd5 (28.Qe7?? a4 29.Kb2 Rd2 30.Kb1 Qc2 31.Ka1 Qb2) 28...a4 29.Kb2 Nd5 30.Qd4 Nb6 (30...Qf6 31.Qf6 Nf6 32.Bg2=) 31.Qd2 (31.e3 Nd7+/-) 31...Kg6+= 32.e3 (32.Qd3 Kg7+=) 32...Nc4= 33.Bc4 Qc4 34.Qc2?? (better 34.Qd6 Kf5 35.Qd7 Kf6 36.Qd8 Kf5 37.Qd7 Kf6 38.Qd8 Kf5 39.Qd7=) 34...Qc2-+ 35.Kc2 h4 36.Kc3 h3 37.b5 h2 38.f4 h1Q 39.f5 Kf5 40.e4 Ke4 41.Kb4 (41.b6 Qc1 42.Kb4 Kd4 43.Kb5 Qa3 44.Ka5 Kc3 45.Kb5 Qb4) 41...Qe1 (41...Kd4 42.Ka4 Qb1 43.Ka5 Kc5 44.a4 Qb4) 42.Ka4 (42.Kc5 Qe3 43.Kd6 Qa3 44.Ke6 Qb3 45.Kd6 Qb5 46.Ke6 a3 47.Kf6 a2 48.Ke7 a1Q 49.Kf7 Qd7 50.Kg8 Qag7) 42...Kd4 43.b6 (43.Kb3 Qb1 44.Ka4 Kc4 45.Ka5 Qb5) 43...Kc5 (43...Kc3 44.Kb5 Kb3 45.Kc5 Qe5) 44.Kb3-+ Kc6 (44...Qc1 45.a4 Kd4 46.a5 Qb1 47.Ka4 Kc4 48.a6 Qb4) 45.a4 Qd1 46.Kc4 Qe2 (46...Qa4 47.Kd3 h5 48.Ke3 Qb5 49.Kd2 Qd5 50.Ke3 Qc4 51.Kd2 h4 52.Ke3 h3 53.Kf3 h2 54.Kg2 Qf4 55.Kh1 Qh4 56.Kg2 h1Q) 47.Kb4 Qf2 (47...Qc2 48.a5 Kd5 49.a6 Qb2 50.Ka4 Kc4 51.ab7 Qb4) 48.Ka5 Qf4 (48...Qb6) ½-½. chess_stat (2405) - Lance5500 (2490), lichess.org, 2016. (=1.a3 Nf6 2.Ra2 g6 3.b4 Bg7 4.Bb2)

5.h3 a5 6.Nf3 (6.b5!?=+) 6...ab4-/+ 7.ab4?? (better 7.e3-/+) 7...Ra2-+ 8.Bf6 Bf6 9.Nc3 Bc3 10.dc3 d6 11.e4 Be6 12.Nd4 Nc6 (better 12...Qc8!? 13.Qb1-+) 13.Ne6 fe6 14.Bc4 Ra3 15.Be6 Kg7 16.0-0 Rf6 (16...Rc3?! 17.Qa1=) 17.Bd5 e6 18.Bb3 Ra8 19.f4 Qe7 20.b5 Na5 21.g4 Nb3 22.cb3 Raf8 23.Qd4 (23.Qd2 Qf7 24.b6 cb6 25.Qd6 Rf4 26.Qe5 Kh6 27.Rf4 Qf4 28.Qf4 Rf4-+) 23...e5 24.Qd5 (24.Qe3 Rf4 25.Rf4 Rf4-+) 24...Rf4 25.Rf4 Rf4 26.Qb7 (26.Qd3-+) 26...Qh4 27.Qc7 Kh6 28.Qb6 (28.Qh7 Kh7 29.Kg2 Rf2 30.Kh1 Qh3 31.Kg1 Qf1) 28…Qg3 (28...Qg3 29.Kh1 Rf1 30.Qg1 Qg1) 0-1. black_bishop_88 (2415) - betazero3300 (2290), lichess.org, 2020. (=1.a3 g6 2.b4 Nf6 3.Ra2 Bg7 4.Bb2)

5.h4 d5 6.e3 h5 7.Be2 c5 (7...Nbd7 8.Nf3=) 8.Nf3 cb4 9.ab4 Nc6 10.b5 Nb4? (better 10...Na5=) 11.Ra4+- a5 12.c3 Ne4 13.cb4?? (better 13.d4 Nc6 14.bc6 bc6 15.Nbd2+-) 13...Bb2= 14.Ra5 Ra5 15.ba5 Qa5 16.0-0 (16.Qb3 Bf6=) 16...Bg4 (better 16...Qb4!?=+) 17.Qb3+= Bg7 18.Qd5 Nd6 The isolani on b5 becomes a target 19.Nc3 Ra8 20.Ng5 (20.Rc1 Qa3 21.Rd1 Bc3 22.dc3 Qc3=+) 20...Bc3 (20...Be2 21.Ne2 Qb5 22.Qb5 Nb5 23.Rb1=) 21.Bg4= Bg7 (21...hg4 22.dc3 Qb5 23.Qb5 Nb5 24.Ne4=) 22.Be6 (better 22.Bf3+/-) 22...fe6?? (better 22...Rf8=) 23.Qe6+- Kf8 24.Qg6 Qb5 (24...Kg8 25.Qh7 Kf8 26.Ne6 Kf7 27.Ng7 Qd2 28.Nh5 Ke6 29.Ng7 Kd7+-) 25.Ne6 (25.Ne6 Kg8 26.Qg7) 1-0. black_bishop_88 (2405) - cmchaos (2300), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.h4 d6 6.h5 Nh5 7.Bg7 Ng7 8.d4 e5 9.Qd2 ed4 10.Qh6 Nh5 11.Nf3 Be6 (better 11...Re8-/+) 12.Ng5+= Qg5 13.Qg5 Ba2 14.Rh5 Bb1 15.Rh3 Nd7 (15...Bc2 16.Qh6 Rd8 17.Qh7 Kf8 18.Qh4+/-) 16.Kd2 (16.Qh4!? h5 17.g4+-) 16...Rfe8 17.Kc1 Ba2 18.Qh4 Nf8 19.Qd4 Be6 20.Rh2 b5 21.e4 (21.e3 Reb8 22.Qc3+/-) 21...a5? (better 21...Bd7!?+=) 22.Bb5+- Reb8 (22...Bd7 23.Bd7 Nd7 24.b5+-) 23.Bc6 ab4? (better 23...Ra6 24.b5 Rab6+-) 24.Ba8 ba3 (24...Ra8 25.Qb4 Nd7+-) 25.Qa4 (better 25.Bd5 a2 26.Ba2 Ba2 27.Qa7 Rb1 28.Kd2+-) 25...a2-+ 26.Qa2 Ba2 27.Bc6 Be6 28.Ba4 Ra8 29.f3 (29.Bc6 Ra1 30.Kb2-+) 29…Ra4 0-1. black_bishop_88 (2565) - Dondimi (2620), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

5.h4 h5 6.e3 a5 7.b5 c6 8.Nf3 d5 9.a4 Bg4 10.Be2 Nbd7 11.d3 Re8 12.Nbd2 e5 13.c4 e4 14.de4 de4 15.Ng5 Be2 16.Qe2 Ne5 (16...Qc7 17.0-0=+) 17.0-0 Nd3?? (better 17...Qd3 18.Qd3 ed3=+) 18.Bf6+/- Bf6 19.Nde4 Nb4 (better 19...Bg5!? 20.Ng5 Ne5+/-) 20.Rd2+- (20.Nf6?! Qf6 21.Rd2 cb5 22.cb5 Rad8+-) 20...Qe7 21.Rd7! Qe5?? (21...Qd7 22.Nf6 Double attack (22.Nf6 Decoy)) 22.Rf7 (22.Rf7 Bg5 A) 23.hg5? Kf7 (23...Qe4?! 24.Rb7 cb5 25.Rb5=+) 24.Qf3 Ke7-+; B) 23.Ng5+-) 1-0. black_bishop_88 (2510) - choRzowski (2460), lichess.org, 2020. (=1.a3 g6 2.b4 Bg7 3.Ra2 Nf6 4.Bb2)

4.Qc1 0-0

5.c4 a5 6.e3 ab4 7.ab4 Ra1 8.Ba1 c5 9.b5 d5 10.Nf3 d4 11.ed4 Nh5 12.Qb2 Bg4 13.Be2 Nd7 14.Na3 Nf4 15.Qb3 Ng2 16.Kf1 Nf4 17.h3 Bh3 18.Ke1 Bg4 19.Rg1 h5 20.Nc2 Ne2 21.Ke2 cd4 22.Bd4 e5 23.Bb2 e4 24.Bg7 ef3 25.Kd1 Kg7 26.Ne3 Nf6 27.Qc3 Qd7 28.Nd5 Qf5 29.Kc1 Ra8 30.Ne3 Qc5 31.d4 Qa3 32.Qa3 Ra3 33.d5 Ne4 34.Rf1 Nf2 35.Rf2 Re3 36.Kd2 Re5 37.Kd3 Kf6 38.Kd4 Re2 39.Rf1 f2 40.c5 Bh3 41.Rd1 f1Q 42.Rf1 Bf1 43.d6 Rd2 44.Ke4 Bb5 0–1. Adamkosh (1930) – Dgita35492 (2390), lichess.org, 2020.

5.c4 d6 6.d4 Nbd7 7.Nf3 c5 8.Nbd2 cd4 9.Bd4 e5 10.Bb2 b6 11.e3 Bb7 12.Be2 Rc8 13.Qd1 d5 14.Rc1 dc4 15.Nc4 Qe7 16.0-0 Rfe8 17.Ra1 b5 18.Nd6 Rc7 19.Ne8 Qe8 20.Rc1 Rc1 21.Qc1 Nd5 22.Bb5 a6 23.Bd7 Qd7 24.Ne5 Be5 25.Be5 Qf5 26.Bg3 h5 27.Qc4 Qg5 28.h4 Qf5 29.Rd1 Nf6 30.Qc7 Be4 31.Rd8 Kg7 32.Qf4 Qb5 33.Rd6 Bf5 34.Qe5 Qe2 35.Qf6 Kg8 36.Rd8 Kh7 37.Qh8 1–0. Adamkosh (1890) – Aleksandr060380 (1815), lichess.org, 2020.

5.d3 d5 6.Nf3 d4 (6...a5 7.e3=+) 7.e3 (7.Nd4 a5+=) 7...e5 (7...de3 8.fe3 a5 9.Be2=) 8.ed4 (8.Ne5 de3 9.fe3 Qe7=) 8...ed4= 9.Nd4 Re8 10.Be2 c5 (10...Nd5!? 11.Kf1 Nb4 12.ab4 Bd4 13.Bd4 Qd4=+) 11.bc5+= Nd5 12.0-0?? (12.c4 Nc7 13.Nc2 Qd3 14.Ne3 Bb2 15.Qb2+= (15.Bd3?? Bc1 16.Nd2 Bb2-+)) 12...Bd4-/+ 13.Bd4 Re2 14.Qh6 Qh4?? (better 14...f6 15.Nc3 Nc3 (15...Rc2?! 16.Nd5 Qd5 17.Bf6-/+) 16.Bc3 Rc2-+) 15.Qg7 1-0. universe64 (2055) - dolar9 (2230), Rated UltraBullet game, lichess.org, 2019.

5.e3 d5 6.c4 dc4 7.Bc4 c6 8.Nf3 Bg4 9.d4 Bf3 10.gf3 Nbd7 11.Nd2 Nh5 12.Ke2 e5 13.de5 Ne5 14.Be5 Be5 15.Rb1 b5 16.Bd3 Qd7 17.Ne4 Rae8 18.Nc5 Qc7 19.h4 Nf4 20.Kf1 Nd3 21.Nd3 Rd8 22.Ne5 Qe5 23.Qc6 Rd2 24.Qe4 Qd6 25.Kg2 Rd8 26.Rhc1 Rd7 27.Rc8 Kg7 28.Rbc1 Re7 29.Qg4 Re3 30.R8c6 Qd3 31.Qf4 Qe2 32.Qf6 Kh6 33.Qg5 Kg7 34.Qf6 Kg8 35.Rc8 Re8 36.Re8 Qe8 37.Rc7 Rd7 38.Rc5 Qd8 39.Qd8 Rd8 40.Rb5 Rd3 41.Ra5 Rd7 42.a4 Kg7 43.b5 f5 44.Kg3 Kf6 45.Kf4 Rd4 46.Kg3 Rd7 47.Kf4 Rd4 48.Ke3 Rd7 49.Ra6 Ke5 50.a5 f4 51.Ke2 h5 52.b6 ab6 53.ab6 Rb7 54.Kd3 Kf5 55.Kc4 g5 56.hg5 h4 57.Kc5 h3 58.Ra1 Kg5 59.Kc6 Rh7 60.b7 Rh6 61.Kc7 Rh7 62.Kc6 Rh6 63.Kc5 Rh8 64.Kc6 h2 65.Kc7 Rh7 66.Kc8 Kh4 67.b8Q Rh8 68.Kc7 Rb8 0–1. Adamkosh (1920) – gorno (2080), lichess.org, 2020.

4.c3 0-0

5.Qc2 c6 6.e4 e5 7.d3 d5 8.ed5 (8.Nf3!?=) 8...cd5-/+ 9.g3 (9.Be2 Bf5-/+) 9...Nc6 10.Nd2 e4 (10...Re8-/+) 11.0-0-0 (11.de4 de4 12.Rd1 Qe7-/+) 11...Ne5 (better 11...Ng4 12.Nh3 e3-+) 12.de4= de4 13.Ne4 Qe7 14.Nd6 Be6 (14...Bg4!? 15.f3 Nf3=+ (15...Bf3?! 16.Nf3 Nf3 17.Bg2=)) 15.Bg2 Rfd8 16.Nb7 Rd1?? (16...Bf5 17.Qe2 Rd1 18.Kd1 Qd7 19.Qd2 Qa4 20.Ke1 Re8-+) 17.Qd1= Rb8 (17...Bg4 18.Ne2 Bh6 19.f4-/+) 18.Nc5 Bc4 (18...Rd8 19.Qe2 Bc4 20.Qe1-+) 19.Kb1 (19.Nf3 Nf3 20.Bf3 Rd8+-) 19...Nfg4 20.Nh3 Rd8 21.Qa4 (21.Qe1 Qc7+-) 21...Nd3 22.Nd3 Rd3 Black is in command 23.b5 Qe6? (better 23...Qc5!? 24.Qb4 Qf5=) 24.Nf4+- (24.Qa7 Bc3 25.Bc3 Rc3 26.Qa8 Kg7-+) 24...Qf5 Threatening mate... how? 25.Nd3 Qd3 26.Qc2 Ba2 27.Kc1 (27.Ka2 A deflection 27...Qc2 A pinning theme) 27...Qb5 28.a4 (28.Rd1!? Bf6 29.h4 Bc4+-) 28...Qc5+- 29.Ba1?? (better 29.Re1 Nf2 30.Re8 Bf8 31.Qd2+-) 29...Nf2=+ 30.Rf1?? (better 30.Qa2 Nh1 31.Qe2 Qg1 32.Qf1 Qe3 33.Kc2-/+) 30...Qa3-+ 31.Bb2 (31.Kd2 Bh6 32.Ke1 Qe7 33.Be4 Ne4 34.Rf4 Ng3 35.Kf2 Bf4 36.Qa2 Ne4 37.Kf3 Nd2 38.Qd2 Bd2 39.a5 Qe3 40.Kg2 Be1 41.h3 Qg3 42.Kh1 Bf2 43.c4 Qh3) 31...Bh6 32.Qd2 Bd2 (32...Nd3 33.Kd1 Nb2 34.Ke1 Bd2 35.Kd2 Nc4 36.Kd3 Qd6 37.Ke2 Qd2 38.Kf3 Qe3 39.Kg4 Ne5 40.Kh4 Qh6) 33.Kd2 Qb2 34.Ke3 Ng4 35.Kf4 Qg2 (35...Qg2 36.Rf3 f5 37.Rd3 Qf2 38.Kg5 h6 39.Kg6 Bf7; 35...f5 36.Bd5 Kg7 37.Rd1 Qf2 38.Kg5 Qe3 39.Kh4 Qh6) 0–1. Delboy Smith (1755) – snowshinethedog (2090), ChessWorld.net, 2013.

5.Qc2 d5 6.f3 (6.Nf3 Bf5 7.d3 Nbd7=+) 6...e5 7.d3 (7.e4 a5=+) 7...Nc6 (7...d4 8.Qc1-/+) 8.Nd2 (8.e4 a6-/+) 8...Bf5 (8...d4 9.b5 Ne7 10.cd4 ed4 11.Rc1-/+) 9.0-0-0 (9.e4 Be6=+) 9...b5 (9...d4 10.c4-/+) 10.g4 (10.e4 Bd7-/+) 10...Be6 11.h4 (11.e3 a5-/+) 11...d4 12.Bg2? (better 12.c4!?-/+) 12…dc3 (12...dc3 13.Qc3 Nd4-/+; better 12...Nd5!? 13.Nf1 a5-+) 0–1. Delboy Smith (1640) – Barge (1630), ChessWorld.net, 2015.

5.Qc2 d6 6.f3 Nc6 (6...a5 7.e4=+) 7.e3 (7.e4 a6=+) 7...a6 8.d4 b5 (8...e5 9.e4=+) 9.Nd2 (9.c4 Na7=) 9...d5 10.h3 (10.Bd3 e5=) 10...Re8 (10...e5 11.a4 ed4 12.cd4 Nb4 13.Qc5-/+) 11.Nb3 (11.a4!? Rb8 12.ab5 ab5 13.f4=+) 11...e5-/+ 12.0-0-0 (12.Qf2 Rb8-/+) 12...e4 (better 12...Bh6!? 13.Re1 ed4 14.cd4 Re3 15.Re3 Be3 16.Kd1 Qd6-/+) 13.f4=+ Nh5 14.Qf2 f5 15.Be2 Nf6 16.Kb1 Qe7 17.Nc5 Na7 18.g3 (18.h4 a5=+) 18...c6 19.g4 fg4 20.hg4 Ng4 21.Qg3 Nh6 22.Nh3 Nf5 23.Qf2 h6 24.Rh2 a5 25.Ng1 (25.Rg1!? ab4 26.cb4=+) 25...ab4 26.cb4 Nd6 27.Qg3 Qf7 28.Rg2 Bf5 29.Nh3 Nac8 30.Rh1 (30.Rdg1 Nc4-+) 30...Nb6-+ 31.Rgh2 (31.Rc1 Nbc4 32.Rc3 Re7-+) 31...Qf6 (31...Nbc4 32.Kc1-+) 32.Bd1 (better 32.Ka2!?-/+) 32...Ndc4 33.Ka2 (33.Bb3 Na3 34.Kc1 Nac4-+) 33...Bf8 (33...Na3 34.Ba3 Nc4 35.Na4-+) 34.Nf2 (better 34.Be2-+) 34...Nb2 35.Kb2 Nc4 36.Kc1 (36.Kc3 Ra3 37.Bb3 Bc5 38.Rh6 Bb4 39.Kc2 Rea8-+) 36...Ra3 37.Nb3 Rea8 38.Bc2 (38.Rh6 Bh6 39.Rh6 Kg7-+) 38...Kf7 (38...Qd6 39.Rh6 Ra1 40.Bb1 Qb4 41.Rg6 Kf7 42.Rh7 Ke8 43.Re6 Be6 44.Qg6 Kd8 45.Qf6 Be7 46.Qe7 Qe7 47.Re7 Ke7 48.Na1 Ra1 49.Ne4 de4 50.d5 cd5 51.Kc2-+) 39.Ng4 (39.Kd1 Qd6 40.Rh6 Qb4 41.Rh7 Ke8-+) 39...Bg4 40.Qg4 Ne3 (40...Rb3 41.Qd7 Kg8 42.Qe6 Qe6 43.Bb3 Ra1 44.Kc2 Ne3 45.Kb2 Rh1 46.Rh1 Qf6 47.Bd5 cd5 48.Ka1 Qd4 49.Ka2 Qd2 50.Kb1 Qc2 51.Ka1 Bg7) 41.Qd7 Kg8 42.Nc5 (42.Rh6 Bh6 43.Rh6-+) 42...Qd4 (42...Nc2 43.Kc2 Qf4 44.Qe6 Kh7 45.Rh6 Bh6 46.Qe7 Kh8 47.Qe5 Qe5 48.Rh6 Kg7 49.de5 Ra2 50.Kb1 Kh6-+) 43.Qe6= Kh8?? (better 43...Kg7 44.Qd7 Kg8 45.Qe6 Kg7 46.Qd7 Kg8=) 44.Rh6 Bh6 45.Rh6 Kg7 46.Qg6 (46.Rg6 Kh7 47.Qf7 Kh8 48.Rh6) 46...Kf8 47.Ne6 Ke7 48.Rh7 (48.Rh7 Qg7 49.Rg7 Kd6 50.Nc5) 1–0. Delboy Smith (1755) – riskaknight, ChessWorld.net, 2010.

5.Qc2 d6 6.g3 c6 7.d3 b5 (7...a5 8.Bg2=+) 8.Bg2 a5 9.c4 (9.Nf3 e5=+) 9...Qb6 (9...bc4 10.Qc4 d5-/+) 10.Bc3? (10.cb5 Qb5 11.Nc3 Qb6 12.ba5 Qa5=) 10...Ng4 (10...ab4 11.ab4 Ra1 12.Ba1 bc4 13.Qc4-/+) 11.Nh3 (11.c5 Bc3 12.Qc3 Qa7=+) 11...Bc3 (11...ab4 12.Bg7 Kg7 13.Qb2 Nf6 14.Qb4=+) 12.Qc3=+ Bb7 (12...ab4 13.Qb4 Na6 14.Qb2=) 13.Nd2 (13.c5 Qa7 14.0-0 ab4 15.Qb4 Qa4 16.Qa4 Ra4+=) 13...Nd7 (13...ab4 A) 14.Qb4?? c5 15.Qb5 Qb5 (15...Bg2? 16.Qb6 Bh1 17.f3+-) 16.cb5 Bg2-+; B) 14.ab4 Ra1 15.Qa1 bc4 16.Qa5-/+) 14.0-0= c5 (14...Rfb8 15.Rfb1+=) 15.Bb7 (15.ba5 Ra5 16.Bb7 b4 17.ab4 cb4+-) 15...Qb7 (15...ab4 16.ab4 Qb7 17.Rab1+=) 16.ba5 (16.bc5 dc5 17.cb5 Qb5+=) 16...b4 (16...bc4!? 17.Rab1 Qd5 18.Nc4 Qh5+=) 17.ab4+- Qb4 (17...cb4 18.Qd4 Ndf6 19.Nb3+-) 18.Qb4+- cb4 19.a6 (19.Nf4 Nge5+-) 19...Ra7 20.Nb3 (20.Nf4 Rfa8 21.Nd5 Ra6 22.Ra6 Ra6 23.Nb4 Rb6+-) 20...Rfa8 21.Ra4 Ra6 22.Rb4 Ra2 23.Nc1 Rc2 24.Rb7 Rd8 (24...Nc5 25.Rb1+= (worse 25.Re7 Ra1=+)) 25.e4 (25.Kg2 Ngf6+-) 25...e6 (25...Nde5 26.Nb3=) 26.Rc7 (26.Nb3!?+=) 26...Nde5= Black launches an attack 27.Rd1 (27.Ng5!?=) 27...Nf3 28.Kg2 Ne3 29.Kf3 Nd1 30.Ne2 h6 31.d4 (31.Nd4!? Rd2 32.Nc6-/+) 31...g5 32.g4 Ra8 33.Nhg1 Ra3 (33...Nb2 34.c5 dc5 35.Rc5 Rc5 36.dc5-+) 34.Kg2-/+ Nc3 35.Ng3 (35.Rc8!? Kh7 36.Nc3 Rac3 37.Rc7-+) 35...Raa2-+ Threatening mate: Rxf2 36.Nh3 Nd1 37.Nh1? (37.Rc8 Kh7 38.Rc7-+) 37...Ne3 38.Kf3 Nc4 (38...Rc4?! 39.Rc4 Nc4 40.Ng3-+) 39.Rc8 Kg7 40.Rd8 (40.Kg2 Ra3 41.Rc4 Rc4 42.Ng3-+) 40...Ra3 41.Kg2 Ne3 42.Kg3 (42.Kf3 Nf5 43.Kg2 Nh4 44.Kf1 Ra1) 42...d5 (42...Nf5 43.Kg2 Nh4 44.Kf1 Ra1) 43.e5 (43.Ng5 hg5 44.h4 gh4 45.Kf3 de4 46.Ke4 Ng4 47.Kf4-+) 43...Nf5 44.Kg2 Nh4 (44...Nh4 45.Kf1 Ra1) 0–1. Delboy Smith (1695) – Pawn_Curry (2010), ChessWorld.net, 2013.

5.d4 c6 6.e3 d5 7.c4 dc4 (7...a5 8.Nf3=+) 8.Bc4= e6 9.Bb3 Nbd7 10.Nd2 b5 (10...a5 11.ba5 Qa5 12.Ngf3=) 11.Qf3 Bb7 12.e4 Qc7 (12...Bh6 13.Rd1=) 13.g4 (13.Ne2 Bh6+=) 13...Ne8 14.h4 White plans d5 14...e5 15.d5 (better 15.h5!? g5 16.Ne2=) 15...cd5-/+ 16.ed5?? (better 16.Rc1 Qd8 17.Bd5 Bd5 18.ed5-/+) 16...e4!-+ 17.Ne4 (17.Qe4 Bb2) 17...Bb2 Eliminates the defender b2 18.Ra2 Qc1 (18...Ne5 19.Qe3 Ng4 20.Qd3-+) 19.Qd1 Qd1 (better 19...Qf4!? 20.Qd3 Bg7 21.Ne2 Qg4 22.Nc5-+) 20.Kd1 Be5 21.Rh3 (21.Nc5 Bc8-+) 21...Rd8 22.Rd3 Nb6 23.Nc5 Bd5 24.Ke1 (24.Bd5 Nd5 25.Rad2 Nec7-+) 24...Nc7 25.Rad2 (25.Bd5 Ncd5 26.Ne2 Rfe8-+) 25...Rfe8 26.Ne2 Bf6 (26...Nc4 27.Rd1-+) 27.g5 (27.Bd5 Nbd5 28.g5 Bc3 29.Rc3 Re2 30.Ke2 Nc3 31.Ke1 Rd2 32.Kd2 Nb1 33.Kd3 Na3-+) 27...Bb3 28.gf6 (28.Rb3 Rd2 29.Kd2 Nc4 30.Kd1 Be5-+) 28...Rd3 29.Nd3 (29.Rd3 Bc4 30.Re3-+) 29...Nc4 30.Nb2 (30.Nc5 Nd2 31.Kd2 Rd8 32.Kc3 Bc4-+) 30...Nd2 31.Kd2 Bd5 (31...Re4 32.h5-+) 32.Nc3 (32.Nf4 Rd8-+) 32...a6 (32...Re6 33.Nd3-+) 33.Nd5 (33.Nd3 Re6-+) 33...Nd5 34.Kd3 (34.Nd3 Re4 35.h5 gh5-+) 34...Nf6 35.f3 Nd5 36.Kc2 (36.Nd1 Nf4 37.Kd2 Re2 38.Kc1 Ra2-+) 36...Re3 37.Nd3 Rf3 38.Kd2 Rh3 39.Kc2 Rh4 40.Nc5 Nc7 (40...Rc4 41.Kd3 Nb4 42.ab4 Rc5 43.bc5-+) 41.Kb2 Rh2 42.Kc3 h5 43.Kd4 Ne6 44.Ne6 fe6 45.Ke5 h4 46.Kf4 Rg2 47.Ke5 h3 (47...h3 48.Ke4 h2 49.Ke5 h1Q 50.a4 Rd2 51.Kf4 Qf1 52.Kg5 Rg2 53.Kh4 Qh1) 0–1. Delboy Smith (1710) – The Bin Man (1745), ChessWorld.net, 2020.

5.Nf3 d6 6.e3 Nbd7 7.Bc4 c5 8.bc5 Nc5 9.Ba2 b6 10.0-0 Nd3 11.Qc2 Nc5 12.d4 Ncd7 13.Nbd2 Bb7 14.Bc4 Rc8 15.Bb5 a6 16.Bd7 Qd7 17.Nb3 Qa4 18.Nfd2 Bd5 19.Rac1 Nd7 20.Qd1 Nb8 21.Nf3 Qb3 22.Qb3 Bb3 23.e4 Rc7 24.d5 Rfc8 25.Nd2 Ba4 26.Nf3 Bc3 27.Bc3 Rc3 28.Rb1 b5 29.Ng5 Nd7 30.Rfe1 Ne5 31.f4 Nd3 32.Re3 Nf4 33.Rc3 Rc3 34.Rf1 Ne2 35.Kh1 f6 36.Ne6 Ra3 37.Re1 Nc3 38.Re3 Ra1 39.Re1 Re1 0–1. ronnieg (2575) – davidone (2765), TIO_44 (fics, Oklahoma City, OK USA) (6), 2001.

5.g3 Nc6 6.Bg2 d6 7.Bc6 bc6 8.Nf3 Bb7 9.d3 e5 10.0-0 e4 11.Nh4 Qd7 12.e3 Qh3 13.f4 Ng4 14.Qd2 ed3 15.c4 Bb2 16.Qb2 Ne3 17.Rf2 Rfe8 18.c5 Nd1 19.Ra2 Nb2 20.Rab2 Re1 21.Rf1 Rf1 0–1. Cuordileone70 – Dmitriy1969, lichess.org, 2018.

5.d3 b6

5.d3 c6

6.Nd2 d6

5.d3 d5

5.d3 d6

6.Nd2 e5

4.c3 a6

5.d3 c6 6.Nd2 d5 7.g3 Nbd7 8.Bg2 0-0 9.Ngf3 e5 10.0-0 Re8 11.e4 de4 12.Ne4 Ne4 13.de4 Qc7 14.c4 a5 15.Bc3 ab4 16.Bb4 c5 17.Bc3 b6 18.Qd5 Bb7 19.Qd2 Be4-/+ 20.Rfe1 Bf3 21.Bf3=+ f5?? 22.Ba8+- Ra8 23.Qb2 Re8 24.Re2 Re7 25.a4 e4 26.Bg7 Rg7 27.Rb1 Re7 28.Qa3 Qc6 29.Reb2 Kf7 30.a5 ba5 31.Qa5 Ne5 32.Qb5 Qd6 33.Qb6 Qd4=+ 34.Qb8 Nc4 35.Rb7 Nd2?? 36.Re7+- Ke7 37.Rb7 Kf6 38.Qh8 Kg5=+ 39.Qd4 cd4 40.Rh7 Nf3 41.Kg2 d3 42.h4 Kf6 43.Rd7 Ke6 44.Rd8 Ke7 45.Rd5 Ke6 46.Rd8 Ke7 47.Ra8 d2 48.Ra1 Ke6 49.Kf1 Ke5 50.Ke2+= Kd4 51.Rd1 Kc3= 52.Ra1 Kc2 53.Ra2 Kb3?? 54.Ra6+- Kc2 55.Rc6 Kb3 56.Rg6 Kc3 57.Rc6 Kb4 58.Rc2 Kb3 59.Rd2 Nd2 60.Kd2 (60.Kd2 Kc4 61.h5+-) 1–0. golfx – tedii5456, kurnik, 2011.

5.d3 d6 6.Nd2 e5 7.Ngf3 Nbd7 8.g3 b6 9.Bg2 Bb7 10.0-0 Rb8 11.e3 c5 12.Qb3 b5 13.Rac1 0-0 14.Rfe1 Bd5 (14...d5 15.Qc2=+) 15.c4 bc4 16.dc4 Be6 17.Qd3 Nb6 18.Ne4?? (better is 18.Rb1+=) 18...d5?? (better is 18...Ne4 19.Qe4 cb4 20.ab4 Nc4-/+) 19.cd5 Nbd5 20.Nc5+- Qb6? 21.Qa6 Qa6 22.Na6 Ra8 23.Nc5 Rfe8 24.Ne5 Ng4 25.Ng4 Bg4 26.Bd5 Bb2 27.Rc2 Ba3 28.Ba8 Ra8 29.Ra2 Be6 30.Raa1 Bd5 31.e4 Bc6 32.Reb1 Kg7 33.f3 Bb5 34.Rb3 Rd8 35.Rba3 1–0. golfx – dragonrider, kurnik, 2011.

4.c3 b5

5.d3 0-0 6.Nd2 a6 7.g3 Bb7 8.Ngf3 d5 9.Bg2 e6 10.0-0 Nbd7 11.e3 c5 12.c4 bc4 13.dc4 Qc7 14.cd5 ed5 15.Rc1 c4 16.Re1 Nb6 17.Nd4 Rad8 18.N2f3 Qd7 19.Ne5 Qe8 20.f4 Na4 21.Ba1 Ne4 22.Qg4 f5 23.Qh4 c3 24.Be4= de4 25.Bc3 Nc3 26.Rc3 Be5 27.fe5 Qe5 28.Rec1 Rd4 29.ed4 Qd4 30.Kg2?? e3-+ 31.Kf1? Qe4 32.Qh3?? Qh1 33.Ke2 Qf3 34.Kd3 Rd8 35.Kc4 Bd5 36.Kc5 (36.Kc5 Ba8 37.Qh7 Kh7 38.b5 Qd5 39.Kb6 Qb5 40.Kc7 Qb8#) 0–1. golfx – gb400, kurnik, 2011.

5.d3 0-0 6.Nd2 Re8 7.g3 Bb7 8.Ngf3 a5 9.Bg2 ab4 10.ab4 Nc6 11.0-0 e5 12.Ne4 (12.Ra8 Qa8 13.Qc2 d5=) 12...Ne4 13.de4 Ra1 14.Qa1 d5 (14...d6 15.Qb1=) 15.ed5 (better is 15.Rd1!?+/-) 15...Qd5=+ 16.Rd1 Qe6 17.Nd2 Ne7?? (better is 17...Bf8=) 18.Bb7+- Nf5 19.Ne4 c6 20.Qa6 Qb3 21.Ba1 Qd1-+ 22.Kg2 Qe2 23.Qc6 Rd8 24.Qc7 Rd1 25.Ng5 Ne3 26.Kh3 Qh5# (26...Qg4#) 0–1. golfx – raf19al89, kurnik, 2011.

4.c3 b6

5.d3 Bb7 6.Nd2 0-0 7.Ngf3 e6 8.g3 d5 9.Bg2 Nbd7 10.0-0 c5 11.Rc1 cb4 12.cb4 Rc8 13.Qb3 Rc1 14.Rc1 Qe7 (14...Qb8 15.Qa4=) 15.Qa4+= a6 16.Rc7 b5 17.Qa5 Rb8 18.Bd4 Qd6 (18...Bc8!?+=) 19.Ba7+/- Bc6? (better is 19...Rc8!? 20.Rb7 Qc6 21.Rd7 Nd7+/-) 20.Bb8 (20.Nd4 Ba8 21.Bb8 Nb8 22.Rc8 Bf8 23.Nb5 ab5 24.Qa8 Nbd7+-) 20...Nb8 21.Rc8 Bf8 22.Qb6 Nfd7 23.Qd8 Kg7 24.Nb3 Be7?? 25.Qe8 Ne5?? 26.Ne5 Be8-+ 27.Re8 Qe5 28.Re7 Qb2 29.Nc5 Qa3 30.Ne6 Kf6 31.Rb7 Ke6 32.Rb8 Qb4 33.Re8? Kd7 34.Rf8 Ke7 35.Rh8 h5 36.Ra8 a5 37.Ra7?! Kf6 38.Rd7?? d4 39.Bd5 Qe1 40.Kg2 Qe2 41.Bf7?? Qd3 42.Bd5 a4 43.Rd6 Kg5 44.Bc6 b4 45.Ba4 1–0. golfx – mildastudna, kurnik, 2012.

5.d3 Bb7 6.Nd2 0-0 7.Ngf3 e6 8.g3 d6 9.Bg2 Nbd7 10.0-0 Rb8 11.e3 d5 12.c4 dc4 13.Nc4 c5 14.Nd6 cb4 (14...Bd5!?=) 15.Nb7 Rb7 16.ab4 Nd5 17.Bg7 Kg7 18.Qb3 Qb8 19.Rfb1 Kg8 20.e4 N5f6 21.Qc4 Rc8 22.Qd4 Rbc7 23.Ra6 Rc1 24.Rc1 Rc1 25.Bf1 Qb7 26.Qb2?? (better is 26.b5=) 26...Rf1!-+ 27.Kf1 Qa6 28.Qc3 Qb5 29.Kg2 a5 30.ba5 ba5 31.d4 Qb4 32.Qc8 Kg7 33.e5 Nb6 34.Qd8?? Nfd5-+ 35.Ng5 a4 36.Qe8 Qe7 37.Qe7 Ne7 38.Nf3 a3 39.Nd2 a2 40.Nb3 Nc6 41.d5 Nd5 42.f4 Nd4! 43.Na1 Nb4 44.Kf2 Nbc2 45.Kf1 Na1 46.Ke1 Nab3 47.Kd1 a1Q# 0–1. golfx – jacekk75, kurnik, 2012.

5.d3 Bb7 6.Nd2 c5 7.Qc2 cb4 8.cb4 Nc6 9.g3?? (better is 9.b5 Na5 10.e4=) 9...Rc8 (9...Nb4 10.ab4 Bh1 11.Ne4-+) 10.Qb3 0-0?? (better is 10...Nb4 11.ab4 Bh1 12.Ra7 0-0-+) 11.Bg2?? (11.e4=+) 11...Rb8 12.Ngf3= d6 13.0-0 e6 14.Rac1 d5 15.Rc2 a5 16.b5 Na7 17.a4 Rc8 18.Rfc1 Rc2 19.Rc2 Qd7 20.Bd4 Qd6 21.Qb2 Ne8 22.Bg7 Ng7 23.Nb3 Rc8 24.Nbd4 Rc2 25.Qc2 Qc5?? 26.Qc5+- bc5 27.Nb3 c4 28.dc4 dc4 29.Na5 Bd5? 30.Nd4 Nf5 31.e4 Nd4= 32.ed5 c3 33.Be4 ed5 34.Bd3 c2?? 35.Bc2!+- Nc2?? 36.b6 1–0. golfx – shina9, kurnik, 2011.

5.d3 Bb7 6.Nd2 Nc6 7.Ngf3 a5 8.g3 ab4 9.ab4 b5 10.Bg2 Ra1 11.Qa1 Qa8 12.Qa8 Ba8 13.0-0 0-0 14.Ra1 Bb7 15.Nb3 Ra8 16.Nc5 Ra1 17.Ba1 Bc8 18.Nh4 Na7 19.Nf3 c6 20.Ne5 d6=+ 21.Nc6 Nc6 22.Bc6 dc5 23.Bb5? cb4-+ 24.cb4 Nd5 25.Bg7 Kg7 26.Bc4 Nb4 27.e3 Bb7 28.h4 e6 29.Kf1 h5 30.Ke2 Kf6 31.e4 Ke5 32.Ke3 Nc2 33.Kd2 Nd4 34.Ke3 f6?? 35.f4+- Kd6 36.Kd4 e5 37.fe5 fe5 38.Ke3 Ke7 39.Kf3 Kf6 40.g4 hg4+/- 41.Kg4 Bc8 42.Kg3 g5 43.hg5 Kg5 44.Kf3 Bg4 45.Ke3 Bh3 46.d4 ed4 47.Kd4 Kf6 48.e5 Ke7 49.Ke4 Bg2 50.Kf5 Bh3 51.Kg6 Bg2 52.Kf5 Bc6 53.Kg6 Ba4 54.Kf5 Bc2 55.Kg5+/- Be4 56.Kf4 Bg6 57.Kg5 Bc2 58.Kf4 Ba4 59.Kg5 Bd7 60.Kg6 Be8 61.Kg5 Bc6 62.Kg6 Be4 63.Kg5 Bf3 64.Kf4+/- Bg2 65.Kg5 Bh3 66.Kf4 Bd7 67.Kg5 Be8 68.Kf4 Bh5 69.Kg5 Bd1 70.Kf4 Bc2 71.Kg5 Ba4 72.Kf4 Bd7 73.Kg5 Bc6 74.Kf4 Bg2 75.Kg5 Bh3 76.Kf4 Bd7 ½–½. golfx – miziii, kurnik, 2011.

5.d3 Bb7 6.Nd2 e6 7.Ngf3 Nc6 8.g3 0-0 9.Bg2 d5 10.0-0 Ne7 11.e3 c5 12.d4 c4 13.Re1 Bc6 14.a4 a6 15.b5 (better is 15.Ne5!?+=) 15...ab5-/+ 16.ab5 Bb5 17.Ra8 Qa8 18.Qa1 Nc6 19.Ba3 Rc8 20.Bb4?? (better is 20.Qb2=+) 20...Nb4-+ 21.cb4 Nd7?? (21...Qa1 22.Ra1 Bf8 23.Bf1-+) 22.e4?? de4 23.Ne4-/+ Bf8 24.Qc3 f5 25.Neg5 Bd6?? 26.Ne6+/- Kf7?? 27.Neg5 Kg7 28.h4 h6 29.Ne6 Kf6?? 30.d5 Kf7 31.Qg7 Ke8 32.Qg6 Ke7 33.Nc7 Ne5 34.Qg7 Kd8 35.Na8 Ra8 36.Ne5 (36.Ne5 Be5 37.Qe5 Ra7 38.Qb8 Kd7 39.d6 c3 40.Re7#) 1–0. golfx – mildastudna, kurnik, 2012.

4.c3 c6

5.d3 b5 6.Nd2 a5 7.g3 a4 (7...ab4!? 8.ab4 Ra1 9.Qa1 0-0=+) 8.Bg2= 0-0 9.e3 d5 10.Ne2 Re8 11.0-0 e5 12.c4 bc4 13.dc4 d4? (better is 13...Bf5!?=) 14.ed4+/- ed4 15.Nd4 Ng4? (better is 15...Ra6+-) 16.Nc6 Nc6 17.Bg7 Kg7 18.Bc6 Be6 19.Be8 Qe8 20.c5 Qc6 21.Qf3 Qf3 22.Nf3 Bd5 23.Nd4 Re8 24.Rfe1 Re1 25.Re1 h5 26.c6 1–0. golfx – tedii5456, kurnik, 2011.

5.d3 d5 6.Nd2 e5 7.g3 Be6 8.Bg2 Nbd7 9.Ngf3 Rc8 10.0-0 b6 11.Re1 0-0 12.Rc1 Re8 13.e3 Nf8 (better is 13...e4!? 14.de4 de4=) 14.Ne5+/- Bf5 15.d4 Ne4 16.Ne4 Be4 17.f3 Be5 18.fe4 Bg7 19.ed5 cd5 20.Qb3 Re3?? (better is 20...Bh6 21.Bd5 Be3 22.Kg2 Qd7+-) 21.Re3 Bh6 22.Rce1 Be3 23.Re3 Ne6 24.Qd5 Qd5 25.Bd5 Ng5 26.Re7 Kf8 27.Ra7 f5 28.Rb7 Rd8 29.Bg2 Ne4 30.Be4 fe4 31.Rb6 e3 32.Re6 Re8 33.Re8 Ke8 34.Kf1 Ke7 35.Ke2 Ke6 36.Ke3 Kf5 37.h3 h5 38.c4 g5 39.c5 Ke6 40.Ke4 Kd7 41.Kf5 (41.Kf5 Kc8 42.d5+-) 1–0. golfx – trutmo, kurnik, 2011.

4.c3 d5

5.d3 c6 6.Nd2 0-0 7.g3 Nbd7 8.Bg2 a5 9.Ngf3 ab4 10.ab4 Ra1 11.Qa1 Qc7 12.c4 dc4 13.Nc4 b5 14.Na5 Bb7 15.0-0 Ra8 16.Rc1 Ne8 17.Bg7 Ng7 18.Qc3 Nb6 19.Nc6 Bc6 20.Qc6 Qc6 21.Rc6 Na4 22.Nd4 Rb8 23.Ra6 Nc3 24.Kf1 e6 25.Ke1 Nd5 26.Bd5 ed5 27.Ra5 Ne6 28.Nb5 Rc8 29.Kd2 d4 30.Nd6 Rc3 31.Nc4 Rb3 32.b5 h5 33.b6 Rb4 34.Ra7 Kg7 35.b7 Nc5 36.Nd6 Kf6 37.Ra8 Nb7 38.Nb7 Rb7 39.Ra6 Kg7 40.Ra4 Rb2 41.Ke1 Rb1 42.Kd2 Rb2 43.Kd1 Rb1 44.Kc2 Re1 45.Kd2 Rh1 46.h4 Rh2 47.f3 g5 48.hg5 Rg2 49.Rd4 Rg3 50.f4 h4 51.f5 Rg5 52.Rh4 Rf5 53.Rg4 Kf6 54.Rg3 Rf2 55.Rf3 Rf3 56.ef3 Ke5 57.Ke3 Kd5 58.f4 f5 59.Kf3 Kd4 60.Ke2 Kc3 61.Ke3 Kb4 62.Kd4 Kb3 63.Ke5 Kc3 64.d4 Kd3 65.d5 Kc4 66.d6 Kc5 67.d7 Kc4 68.d8Q Kc3 69.Qd4 Kc2 70.Qe3 Kd1 71.Qf2 Kc1 72.Kd4 Kd1 73.Kc3 Kc1 74.Qc2 1–0. golfx – rom49szachy, kurnik, 2012.

5.d3 e5 6.Nd2 0-0 7.g3 Nbd7 8.Bg2 Nb6 9.Ngf3 Bg4 (9...Qe8 10.0-0=+) 10.0-0 (10.Ne5!? Be6 11.0-0+/-) 10...Re8 11.e3?? (11.c4 dc4 12.Nc4 Nc4 13.dc4 e4=) 11...Qd7?? (11...e4 12.h3 ef3 13.Nf3-+) 12.Rc1? (12.Qc2 Qa4 13.Qb1 Rad8=+) 12...Bh3?? (better is 12...e4-+) 13.c4=+ Bg2 14.Kg2 e4 15.de4 de4 16.Nd4 Ng4 17.Ne2?? Bb2-+ 18.Rb1 Ba3 19.Qb3 Qd2 20.Qa3 Qe2 21.c5 Qf3 22.Kg1 Nc4 23.Qc3 Nce5 24.h3 Nf6 25.b5 Nd3 26.c6 b6 27.Rbd1 Nd5 28.Qd4 N5b4 29.Qd7 Qf5 30.Qc7 Qh3 31.Qd7 Qd7 32.cd7 Red8 33.f3 f5 34.fe4 fe4 35.Rd2 Rd7 36.Rc1 Rf7 37.Rc4 Rf3 38.Kg2 Re3 39.Rd4 Rf8 40.Rd7 Rff3 41.Ra7 Rg3 42.Kh2 Rh3 43.Kg2 Reg3 44.Kf1 Rh1 45.Ke2 Rh2 46.Kd1 Rd2 47.Kd2-+ h5 48.Rb7 h4 49.Rb6 h3 50.Re6 h2 51.b6 h1Q 52.b7 Qg2 53.Kc3 Qb2 54.Kc4 (54.Kc4 Qc2 55.Kd4 Qc5 56.Ke4 Re3#) 0–1. golfx – ryszardp33, kurnik, 2011.

5.d3 e5 6.Nd2 c6 7.g3 Bf5 8.Bg2 Nbd7 9.Ngf3 0-0 10.0-0 Re8 11.e3? (11.c4 a5=) 11...e4 (better is 11...Bd3 12.Re1 e4-+) 12.de4=+ de4 13.Nh4 (13.Nd4!?=) 13...Bg4-/+ 14.Qc2 (14.f3!? ef3 15.Bf3-/+) 14...g5-+ 15.Ne4 gh4 16.Nf6 (16.Nd6!? Re6 17.Nb7-/+) 16...Nf6 17.f3 (17.h3 hg3 18.hg4 Ng4 19.fg3 Ne3-+) 17...Be6 18.g4 Nd5 19.Rad1 Qb6 20.Kh1 Ne3 21.Qd2 Nf1 22.Rf1 Rad8 23.Qc2 Bc4 24.Rg1 Re2 25.Qc1 Rdd2 26.Ba1 Rc2 27.Qd1 h6 28.Bf1 Red2 29.Qd2 Rd2 30.Bc4 Qf2 31.h3 Qh2# 0–1. golfx – x7xx, kurnik, 2012.

5.d3 e5 6.Nd2 Nc6 7.Ngf3 e4 8.de4 de4 9.Nd4 Nd4 10.cd4 0-0 11.e3 b6 (11...a5 12.b5=) 12.g3 (12.Qc2!?+=) 12...Bb7= 13.Bg2 c5 (better is 13...Bd5!?=) 14.bc5 bc5 15.dc5 Rc8 16.Bd4 Nd7 17.Bg7 Kg7 18.Rb1 (18.Be4 Be4 19.Ne4 Nc5 20.Nc5 Qa5 21.Qd2 Qc5 22.Qb2 f6+/-) 18...Ba8 (18...Nc5!? 19.0-0 Ba6=) 19.Ne4 (19.Be4 Be4 20.Ne4 Nc5 21.Nc5 Rc5+/-) 19...Be4 20.Be4 Nc5 21.0-0?? (better is 21.Bc2+=) 21...Ne4-+ 22.Qd8 Rfd8 23.Rb7 Ra8 24.Rc1 Nd6 25.Re7 Nf5 26.Rb7 Nd6 27.Rbc7?? Nb5-+ 28.Re7 Na3 29.Rcc7 Rf8 30.Ra7 Ra7 31.Ra7 Nc4 32.Rc7 Ne5 33.Rc5 Nd7 34.Rc7 Nf6 35.Rc6 Rd8 36.f4?! h5 37.Kg2 Ng4 38.h3 Ne3 39.Kf3 Nf5 40.g4 Nd4 41.Kg3 Nc6 42.gh5 gh5 43.Kh4 Kg6 44.f5 Kf5 45.Kg3 Rd4 46.h4 Ne5 47.Kh3 Kf4 48.Kh2 Rd3 49.Kg2 Ng4 50.Kf1 Rd2 51.Ke1 Ra2 52.Kd1-+ Ke3 53.Kc1 Rg2 54.Kd1 Ne5 55.Kc1-+ Kd3 56.Kb1 Kc3 57.Ka1 Kb3 58.Kb1 Rg1# 0–1. golfx – silas10, kurnik, 2012.

5.d3 e5 6.Nd2 Nc6 7.g3 Bf5 8.Bg2 Qd7 9.Ngf3 0-0-0 (9...e4 10.de4 de4 11.Nd4=+) 10.c4 d4 (10...dc4!? 11.b5 Nd4 12.Ne5 Qe6 13.Ndc4 Ne8+= (13...Nb5? 14.Qb3 c6 15.e4+-)) 11.b5+= Ne7 12.Ne5 Qe6 13.Nef3 Ng4 14.0-0 Nh2? (better is 14...Qd6+-) 15.Kh2 h5 16.Nh4 g5 17.Nf5 Qf5 18.Nf3 g4? 19.Nh4 Qe6 20.e3! Nf5? 21.ed4 Nh4 22.gh4 Qf6 23.f3?? Qh4-/+ 24.Kg1 g3 25.Re1 Qf4?? 26.Re4+- Qh6 27.f4 h4 28.Qf3 h3+/- 29.Bf1 g2 30.Be2?? h2-+ 31.Kg2 h1Q 32.Rh1 Qh1 33.Kf2 Rh2 34.Ke3 Qg1 35.Kd2 Qb1 36.Kc3?? Rd4 37.Rd4?? Bd4-+ 38.Kd4 Qb2 39.Ke3 Qc1 40.Ke4 f5 41.Kf5 Qe1 42.Bd1 Qh4 43.Qg4 Qh7 44.Ke5 Kb8=+ 0–1. golfx – deker003, kurnik, 2012.

5.d3 e6 6.Nd2 0-0 7.g3 (7.Ngf3 Qe7=) 7...b6 8.Bg2 Bb7 9.Ngf3 c5 10.0-0 cb4 11.cb4 Nbd7 12.Rc1 Rc8 13.e3 Qe7 14.d4 Qd6 15.Nb3 Rfe8 16.Qd3 Rc1 17.Rc1 Ne4 18.Nfd2 Nd2 19.Qd2 Rd8 20.Rc3 e5 21.de5 Be5 22.Rc2 Bb2 23.Rb2 Ne5 24.Rc2 Nc4 25.Qc1 a5 26.Nd4 ab4 27.ab4 Qb4= 28.e4? Ne5-+ 29.Nf3 Nf3 30.Bf3 de4 31.Bg2 Rd7 32.Rc7 Qd6?? 33.Rd7?? Qd7-+ 34.Qc4 Bd5 35.Qd4 Qc6 36.h3 f5 37.Kh2 Qc5 38.Qf6 b5 39.Qd8 Kg7 40.g4 fg4 41.hg4 b4 42.Qd7 Bf7 43.Be4 Qe5 44.Kh3 Qe4 45.Qb5 b3 46.Qb3 Bb3 47.f3 Qf3 48.Kh4 Qh1 49.Kg5 h6 50.Kf4 Qf1 51.Kg3 Kf6 52.Kh4 Qf2 53.Kh3 h5 54.g5= Kf5 ½–½. golfx – givemeszacha, kurnik, 2012.

5.d3 Ng4 6.Nd2 d4 (6...0-0!?=) 7.cd4+= Bd4 8.Bd4 Qd4 9.e3 Ne3 (better is 9...Qd7!?+=) 10.fe3+/- Qe3 11.Qe2 Qd4 12.Rc1 Bg4 13.Ngf3 Bf3 14.Qf3 (< 14.gf3 Nc6+/-) 14...Nc6?? (better is 14...c6 15.Nc4 Nd7+-) 15.Rc6+- bc6 (15...Qa1 16.Ke2+-) 16.Qc6 Qd7 17.Qa8 Qd8 18.Qd8 Kd8 19.Be2 e5 20.Bf3 Ke7 21.Ke2 Rd8 22.Ne4 f5 23.Nc5 e4 24.de4 Kf6 25.ef5 Re8 26.Kf2 Kf5 27.Re1 Rd8 28.Re7 Rd2 29.Kg3 h5 30.h4 Ra2 31.a4 Rb2 32.b5 Ra2 33.Rc7 Ra3 34.Ra7 g5 35.hg5 Kg5 36.Rg7 Kh6 37.Rd7 Rc3 38.Rd5 Kg6 39.b6 Kf6 40.b7 h4 41.Kh4 Rc4 42.Kg3 Rb4 43.a5 Ke7 44.a6 Ke8 45.a7 Rb7 46.Nb7 Ke7 47.a8Q Ke6 48.Re5! Kf6 49.Nd6 Ke5 50.Nf5! Kf5 51.Be4 Kg5 52.Bf5! Kf5 53.Kh4 Kf4 54.g4 Ke5 55.g5 Kf5 56.Kh5 Ke6 57.g6 Kf6 58.Kh6 Ke7 59.g7 Kf6 60.Kh7 Kf7 61.g8Q Kf6 62.Qaf8 (62.Qaf8 Ke5 63.Qc5 Kf4 64.Qgg5 Ke4 65.Qge3#; 62.Qg6 Ke5 63.Qae4#) 1–0. golfx – ziga1955, kurnik, 2011.

5.g3 0-0 6.Bg2 b6 7.d4 Bb7 8.Nd2 a5 9.Nb3 ab4 10.ab4 Ra1 11.Qa1 Nbd7 12.Nf3 Ne4 13.0-0 e5 14.de5 Ne5 15.Nbd2 (15.Ne5 Be5 16.Be4 de4=) 15...Nc4 (15...Nf3 16.Nf3 Qf6 17.Qa7-/+) 16.Nc4=+ dc4 17.Nd4 Ba8 18.Qb1?? (better is 18.f3 Nd6 19.e4=) 18...Nd2-+ 19.Qc2 Nf1 20.Bf1 Qd5 21.f3 c5 22.bc5 bc5 23.Nb5 Rb8 24.Nc7? Qc6 25.Na8 Ra8 26.Kf2 Ra2 27.e3 Qb5 28.Qe4 Qb2 29.Qc2 Qc2 30.Be2 Qe2 31.Kg1 Qf2 32.Kh1 Ra1# (32...Qh2#) 0–1. golfx – adro1800, kurnik, 2012.

5.d3 0-0

6.Nd2 a6 7.g3 Bd7 8.Bg2 Ba4?? (better is 8...Re8=) 9.Ngf3?? (better is 9.Qa4 b5 10.Qc2+-) 9...Bd1-+ 10.Kd1 Qd7 11.Kc2 Nc6 12.c4 dc4 13.Nc4 b5 14.Nce5 Ne5 15.Ne5 Qe6 16.Ba8 Ra8 17.f4 c5! 18.bc5 Rc8 19.d4 Qd5 20.Rhd1 Ne4 21.Kd3 Nf2 22.Ke3 Nd1 23.Rd1 Be5 24.fe5 Rc5! 25.Kf2 Rc2 26.Bc1 Qc4 27.Re1 Rc1 28.Rc1 Qc1 29.Kf3 Qc3 30.e3 Qa3 31.Ke4 a5 32.d5 Qb4 33.Kf3 a4 34.e4 a3 35.Kf4 a2 36.g4 a1Q 37.h4 Qf1 38.Kg5 Qd2# (38...Qc1#) 0–1. golfx – querorainha, kurnik, 2012.

6.Nd2 b6 7.g3 Bb7 8.Bg2 c5 9.Ngf3 cb4 10.cb4 Nc6 11.0-0 Qd6 12.Bc3 (12.b5 Nd8=) 12...Nd7 (better is 12...a6=) 13.b5?? (better is 13.Bg7 Kg7 14.d4+=) 13...Bc3-+ 14.bc6 Bc6 15.Ra2 Bd2 16.Qd2=+ Ne5 17.Qb4 Nf3 18.Bf3 Qb4 19.ab4 a5 20.ba5 Ra5 21.Rb2 b5 22.Rc1 Ra6 23.Rc5 e6 24.Rbc2 Be8 25.e4 b4 26.ed5 ed5 27.Bd5 Rb6 28.Rb2 Bd7 29.Rc7 Bh3 30.f4 Kg7 31.Kf2 h5 32.Be4 Rfb8 33.Bd5 Rf8 34.Ke3 Bf5 35.Kd4+= Rd8 36.Ke5 (36.Ke5 Rb5 37.Rf7 Kh6 38.Kd4 Rbd5 39.Kc4 Rd3 40.Rb7 R3d4 41.Kb5 Bd3 42.Kb6-+). golfx – kronkron, kurnik, 2012.

6.Nd2 c6 7.g3 a5 8.Bg2 ab4 9.ab4 Ra1 10.Qa1 Be6 11.c4 dc4 12.Nc4 Bc4 13.dc4 Na6 14.b5 Nb4 (14...cb5 15.cb5 Qb6 16.Qa4-/+) 15.Qc1 (better is 15.Qa4!? Qd6 16.Bc3=) 15...cb5 16.cb5 (16.Nf3-/+) 16...Qd6 (better is 16...Qa5!? 17.Kf1 Qb5-/+) 17.Nf3 Na2 (17...Qd5!?=+) 18.Qd2 Qb6? (better is 18...Ne4 19.Qd6 Nd6 20.Bg7 Kg7=+) 19.Bf6+- Rd8 20.Qa2 Bf6 21.0-0 Qb5 22.Rb1 Qc6 23.Qb3 Qd6 24.Qb7 Qa3 25.Qb3 Qa7 26.e3 h5 27.h4 Rd6 28.Qb8 Qb8 29.Rb8 Kg7 30.Bh3 Rd1 31.Kg2 e6 32.Rb7 Bc3 33.Be6 Kf6 34.Bf7 Rc1 35.Bd5 Ba5 36.Rb5 Bc7+- 37.Rb7 Ba5 38.Nd4 Rd1 39.Ra7 Bb6+- 40.Ra6 Rb1 41.e4 Ke5 42.Nf3 Kf6 43.Nd2 Rb2 44.Nc4 Rf2 45.Kh3 Ke7 46.Rb6 Rc2 47.Rg6 Re2 48.Rh6 1–0. golfx – hoxha, kurnik, 2012.

6.Nd2 Nbd7 7.g3 e6 8.Bg2 Rb8 9.Ngf3 c5 10.0-0 Qc7 11.Qb3 b5 12.Qd1 a6 13.Nb3 c4 14.dc4 Qc4 15.Na5 Qc7 16.Qd2 Ng4 (16...Nb6 17.Nd4-/+) 17.Rac1 Nge5 18.Ne5 Ne5 (< 18...Qe5 19.Nc6 Qd6 20.Nb8 Qb8 21.e4+/-; 18...Be5?! 19.e4 Nb6 20.ed5 ed5 21.Rfe1=) 19.Rfe1 Nc6 (19...Rd8!?=+) 20.Nc6= Qc6 21.e4 de4 22.Re4 Qc7 23.Qf4 Qf4-/+ 24.Rf4 Bb7 25.f3? Bd5 26.Rc2 Rbc8 27.c4 Bb2 28.Rb2 Bc4 29.Rd4 Bd5 30.Rbd2 Rc3 31.R4d3 Rfc8 32.f4 Rd3-+ 33.Rd3 Bg2 34.Kg2-/+ Kg7 35.Rd6 Rc2 36.Kh3= Kf6 37.Ra6 Ra2 38.Rb6 Ra3 39.Rb5 Rb3 40.Rb8 h5 41.b5 Rb2 42.b6 e5 43.fe5 Ke5 44.b7 Kf6 45.g4 hg4 46.Kg4=. golfx – killthebill, kurnik, 2011.

6.Nd2 e5 7.g3 c6 8.Bg2 a6 9.Ngf3 Re8 10.0-0 e4 11.de4 de4 12.Nd4 Nbd7 13.e3 Nb6 14.Qb3 Be6 15.Ne6 Re6 (worse is 15...Qd2 16.Nc7+/-) 16.c4?? (better is 16.Rad1 Qc7 17.c4+=) 16...Qd2-+ 17.a4 Qd3 18.Qd3 ed3 19.c5 Nc4 20.Bc3 Rd8 21.Rad1 Ne4 22.Bg7 Kg7 23.b5 ab5 24.ab5 d2 25.bc6 bc6 26.Rb1 Nc3 27.Rbd1 Nd1 28.Rd1 Nb2 29.Rb1 d1Q 30.Rd1 Rd1 31.Bf1 Nd3 32.Kg2 Nb2 33.Be2?? Rd2-+ 34.Bg4 Re5 35.Kf1 Rc5 36.f4 Rc1 37.Bd1 Rcd1# 0–1. golfx – granit2008, kurnik, 2012.

4.c3 Nd5

5.d3 e6 6.d4 0-0 7.Nd2 Qf6 8.g3 (8.e4 Nb6+=) 8...b6 (8...d6 9.Ngf3=) 9.Bg2 (9.e4 Ne7 10.e5 Qf5+/-) 9...Bb7+= 10.Ngf3 h6? (10...Ne7 11.e4 d6 12.c4+=) 11.0-0 (11.e4 Re8+-) 11...d6? (better is 11...Qe7+=) 12.e4+- Ne7? 13.Qe2 e5+= 14.d5 c6 15.c4 Nd7 16.Nb3 Rac8 17.Rac1 a6 18.Rfd1 c5 19.bc5 Nc5 20.Nc5 Rc5 21.Bc3 a5 22.Rb1 Ba6 23.Rb6+- Bc4 24.Qb2 a4?? 25.Bb4 Rb5+/- 26.Rd6?? Rb4?? 27.Qb4+- Nd5 28.Rf6 Nb4+/- 29.Rb6 Nd3?? 30.Rd2 Rc8 31.Bf1 Nf2 32.Bc4 Nh3 33.Kg2 Rc4 34.Kh3 Rc3 35.Ra2 Rf3 36.Rb4 Re3 37.Ra4 g5? 38.Rc4+- h5 39.a4 Bf6 40.a5 g4 41.Kg2 Be7 42.a6 1–0. golfx – malesori, kurnik, 2012.

5.g3 e6 6.Bg2 c6 7.Nf3 0-0 8.0-0 a5 9.c4 (9.d4 ab4 10.cb4 d6=) 9...Ne7?? (better is 9...Bb2 10.Ra2 Ba3 (10...ab4?! 11.Rb2 Nb6 12.c5=+) 11.Ra3 Nb4-/+) 10.b5?? (10.Bg7 Kg7 11.Nc3 d5+=) 10...cb5?? (10...Bb2 11.Ra2 Bg7 12.Qa4-+) 11.cb5?? Qb6?? 12.a4?? Bb2-+ 13.Ra2 Bd4 14.e3 Bg7 15.d4 Nd5 16.Rc2 d6 17.Qc1 Nd7 18.Qb2 N7f6 19.Rfc1 Ne4 20.Nbd2 Nd2 21.Nd2 Nb4 22.Rc7 d5 23.Qc3 Na2 24.Qc5 Qc5 25.R1c5 Bf6 26.Nf3 Nb4 27.Kf1 Re8 28.Ke2?! Be7 29.Rc1 Na2 30.R1c2 Nb4 31.Rb2?? f6 32.Kd2 Kf8 33.Ne1 h5 34.Nd3 Nd3 35.Kd3 Bb4 36.Rh7 Re7 37.Re7 Ke7 38.Rc2 Kd7 39.e4 de4 40.Be4 f5 41.Bg2 Rb8 42.d5?! e5 43.f3 b6 44.h3 Bb7 45.g4 Bd5 46.gh5 gh5 47.Ke3 Rc8 48.Rc8 Kc8 49.Bf1 Bb3 50.Bd3 f4 51.Ke4 Bd6 52.Kf5 Bd1 53.Be4 h4 54.Kg5 Be7 55.Kf5 Bd6 56.Kg5 Ba4 57.Bc6 Bc2 58.Kh4 a4 59.Kg5 a3 60.h4 a2 61.h5 a1Q 62.h6 Qg1 63.Kf6 Qg6# 0–1. golfx – miras62, kurnik, 2012.

4.c3 d6

5.d3 b6 6.Nd2 Bb7 7.Ngf3 Qd7 8.g3 Nc6 9.Bg2 0-0-0 10.0-0 e5 11.b5 Ne7 12.a4 Rhg8 13.c4 d5 (13...g5!?+/-) 14.cd5 Nfd5 15.Be5 (better is 15.Ne5!? Qe8 16.Rc1+-) 15...Be5+= 16.Ne5 Qe6 17.Ndf3 f6 18.Nc6 Bc6 19.bc6 Nc6 (19...Nc3 20.Qd2 Ne2 21.Kh1+=) 20.Qc2 Rge8 21.e4 (better is 21.Rfe1+=) 21...Ndb4-/+ 22.Qc4 (22.Qb1!? Rd3 23.Qc1-/+) 22...Qc4-+ 23.dc4 Re4 24.Rfe1 Rc4 25.Rec1 Rdd4?? 26.Rc4? Rc4-+ 27.Nd2 Rc2 28.Ne4 f5 29.Nf6 h6 30.Ng8 h5 31.Bc6 Nc6 32.Nf6 Nd4 33.a5 b5 34.a6 c6 35.Re1 Kc7 36.Ne8 Kb6 37.Nd6 Ka6 38.Nf7 Kb6 39.Ne5 a5 40.Ng6 a4 41.Nf4 a3 42.Nh5 a2 43.Ng7 Rb2 44.h4 Rb1 45.Rb1 ab1Q 46.Kg2 Qb2 47.h5 Ne2 48.Nf5 Qe5 49.g4 Nf4 50.Kf3 Nh5! 51.gh5 Qf5 52.Kg3 Qh5 53.f4 Qf7 54.Kg4 b4 55.Kg5 b3 56.f5 b2 57.Kf4 b1R 58.Ke5 Re1 59.Kf4 Rf1 60.Ke5 Rf5 61.Kd6 Qd5 62.Ke7 c5 (62...c5 63.Ke8 Qe6 64.Kd8 Rd5#; 62...Rf7 63.Ke8 Qd7#) 0–1. golfx – stan69, kurnik, 2012.

5.d3 b6 6.Nd2 Bb7 7.Ngf3 Nbd7 8.g3 e5 9.Bg2 Qe7 10.0-0 0-0-0 11.e4 Rhg8 12.c4 h5 13.c5 (better is 13.a4!?+/-) 13...dc5=+ 14.bc5 (14.Qc2!?=+) 14...Nc5-/+ 15.Bc3? (better is 15.Ne5!? Nd3 16.Nd3 Rd3 17.Qc2-/+) 15...Nd3 (15...Rd3 16.Be5 Nce4 17.Bf6 Bf6 18.Qc2-+) 16.Qc2 (16.Qe2 Rge8-+) 16...Nc5 (better is 16...Ne4 17.Ne4 Be4-+) 17.Be5 Nfe4 18.Ne4 Be5 19.Nc5 Ba1?? 20.Nb7+= Kb7 21.Ra1 Rc8?? 22.Ne5+- Kb8 23.Nc6 Ka8 24.Ne7 (24.Ne7 c6 25.Nc6 b5 26.Ne5 Rc6 27.Qc6 Kb8 28.Nd7#; 24.Qa4 Qe1 25.Re1 a5 26.Na5 Kb8 27.Nc6 Kb7 28.Qa7#) 1–0. golfx – stan69, kurnik, 2012.

5.d3 b6 6.Nd2 Bb7 7.Ngf3 Nbd7 8.g3 Ne5 9.Bg2 Nf3 10.Nf3 Qd7 11.0-0 0-0-0 12.c4 Rhg8 13.c5 dc5 14.bc5 bc5 (14...Qb5 15.Be5+=) 15.Qb3 (15.Rc1+/-) 15...Qc6? (better is 15...Bd5!? 16.Qc2 c4 17.dc4 Be4+=) 16.Qf7+/- g5 (16...Qd5 17.Bh3 (17.Qe7?! Rde8 18.e4 Ne4 19.Qe8 Re8 20.de4 Qg8 21.Bg7 Qg7=) 17...Kb8 18.Be6+- (18.Qe7? Rde8 19.Be6 Qe6 20.Qe6 Re6-+)) 17.Qe7 (17.Bh3!? g4 18.Bg4 Ng4 19.Bg7 Qd5 20.Qd5 Bd5+/-) 17...g4 18.Bf6?? (better is 18.Ne1 Nd5 19.Bg7 Ne7 20.Bc6 Nc6 21.Bf6+=) 18...Bf6-+ 19.Qe4? Qe4 20.de4 Ba1 21.Ra1 Be4 22.Ng5? Bg2 23.Kg2 Rg5 24.h3 gh3 25.Kh3 Rd2 26.Re1 Re5 27.f4 Ree2 28.Re2 Re2 29.Kg4 Re3 30.f5 Ra3 31.Kg5 Rg3 32.Kh6 Rf3 33.Kh7 Rf5 34.Kg6 Rf1 35.Kg5 c4 36.Kg4 c3 37.Kg3 c2 38.Kg2 Rf8 39.Kg3 c6 40.Kg4 c5 41.Kg5 c4 42.Kg6 c3 43.Kg7 Rf1 44.Kg6 c1R 45.Kg5 Kd8 46.Kg4 Ke8 47.Kg3 Rf8 48.Kg2 Rg1! (48...Rg1 49.Kg1 c2 50.Kh2 c1Q 51.Kh3 Rg8 52.Kh4 Qh6#) 0–1. golfx – stan69, kurnik, 2012.

5.d3 c5 6.Nd2 0-0 7.g3 Bd7 8.Bg2 Bc6 9.Ngf3 e5 10.0-0 e4 11.de4 Be4 12.Ne4 Ne4 13.Qb3 (13.Qc2 Re8+=) 13...Nc6 (13...d5 14.bc5 Nc5 15.Qa2=) 14.Rad1 Qc7 15.Nd2 Ng5 16.Ne4 (16.b5 Ne7+/-) 16...Ne6 (16...Ne4!? 17.Be4 Rfe8=) 17.Nd6 Rad8 18.Nc4 b5 19.Ne3 c4 20.Qc2 a5 21.Rd8 Rd8 22.Rd1 a4 23.Rd8 Ncd8 24.Qd2 Nc6 25.Qd5 Ne7? 26.Qb7 Kf8?? 27.Nd5 Qb7-+ 28.Ne7 Qe7 29.Bc6 Nc7 30.e3 Qd6 31.Bf3 Qd3 32.Kg2 Bc3 33.Bc3 Qc3 34.Bc6 Qa3 35.f4 Qb4 36.e4 a3 37.e5 a2 38.e6 Ne6 39.Bd5 a1Q 40.Bc4 Qc4 41.h4 Qb2 42.Kh3 Qd5 43.h5 Qf5 44.Kh4 Qh5# 0–1. golfx – ronicek, kurnik, 2011.

5.d3 c6 6.Nd2 0-0 7.g3 (7.e4 Bg4 8.Be2 Be2 9.Ne2 d5=) 7...e5 8.Bg2 d5 9.Ngf3 Re8 10.0-0 Nbd7 11.e4 a5 12.c4 d4 13.b5 cb5 14.cb5 Nc5 15.Nb3 (15.Nc4 Nfd7=) 15...b6 (15...Na4!? 16.Rb1 Bf8-/+) 16.Nc5= bc5 17.Rc1 Qb6 18.a4 Qd6 (18...Rb8 19.Nd2+=) 19.Ba3+/- Nd7 20.Qc2 Bf8 21.Nd2 Bb7 22.Nc4 Qc7 23.f4 ef4 24.Rf4 Rac8 25.Rcf1+/- f6 26.Bh3+- Bg7 27.Bd7 Qd7 28.Na5 Re5 29.Nb7 Qb7 30.Qc4 Kh8 31.Rf6 Bf6+/- 32.Rf6 Qe7 33.Rf7 Qe6 34.Qe6+- Re6 35.b6?? Rb6-/+ 36.Ra7?? Rb3-+ 37.Bc5 Rc5 38.Kg2 Rd3 39.a5 Ra3 40.a6 Rca5 41.Ra8 Kg7 42.Rd8 Ra6 43.Rd4 Re6 44.Kh3 Re3 45.Rd7 Kh6 46.Rd2 R3e4 47.Rf2 Kg5 48.Kg2 Re2 49.h4 Kg4 50.Kg1 Rf2 51.Kf2-+ Rf6 52.Kg2 Ra6 53.h5 gh5 (53...gh5 54.Kf2 Ra2 55.Ke3 Ra3 56.Kd2 Rg3 57.Kd1 h4 58.Kc2 h3 59.Kb2 h2 60.Kc2 h1R 61.Kd2 Rh2 62.Ke1 Rg1#) 0–1. golfx – enutamarian8, kurnik, 2011.

5.d3 Qd7 6.Nd2 e6 7.g3 b6 8.Bg2 c6 9.Ngf3 Bb7 10.0-0 0-0 11.e3 Na6 12.d4 Nc7 13.c4 Rab8 14.Rc1 c5 15.dc5 dc5 16.b5 Rfd8 17.Nb3 Qd1 (17...Qd3 18.Be5 Rbc8 19.Bc7 Rc7 20.Ne5 Qd1 21.Rcd1+=) 18.Rcd1 Rd1 19.Rd1 Ne4? (better is 19...Be4!? 20.Rd2 a6+=) 20.Bg7+- Kg7 21.Ne5 (21.Rd7 Ne8 22.Ne5+/-) 21...Nc3? 22.f3?? Nd1-+ 23.e4 Ne3 24.Bh1 a6 25.a4 ab5 26.ab5 Ra8 27.h4 Ra3 28.Nd2 Ra1 29.Kh2 f6 30.Nd7 Rc1 31.Nb6 Rc2 32.Na4 Rd2 33.Kh3 Rc2 34.Nc5 Ba8 35.b6 Ne8 36.b7 Bb7! 37.Nb7 Rc4 38.Na5 Ra4 39.Nb3 Ra3 40.Nd4 e5 41.Ne6 Kf7 42.Nc5 Nd6 43.f4 ef4 44.gf4 Nf1 45.Kg2 Ne3 46.Kf2?? Ndc4 47.e5 fe5 48.fe5 Ne5 49.Ne4 N5g4 50.Ke2 Ra1 51.Bf3 Ra2 52.Kd3 Ra3 53.Ke2 Ne5 54.Ng5 Kg7 55.Bb7 N5g4 56.Kd2 Nf5 57.Nf3 Nh4! 58.Nh4 Ra2 59.Kd3 Ra3 60.Kc4?? Ra4 61.Kb5 Rf4 62.Ng2 Ne5 63.Kb6 (63.Kb6 Rb4 64.Kc7-+) 0–1. golfx – stan69, kurnik, 2012.

5.d3 e5 6.Nd2 0-0 7.g3 Be6 8.Bg2 c6 9.Ngf3 Qc7 10.0-0 Nbd7 11.e4 a6 12.d4 ed4 13.cd4 d5 14.e5 Ne8 15.Nb3 Nb6 16.Nc5 Nc4 17.Bc3 Bg4 18.Qd3 (18.h3 Bf5=) 18...b6=+ 19.Nb3 Bf3 20.Bf3 b5 21.Na5 f6= 22.ef6 Nf6 23.Bg2 Ne4 24.Be4 de4 25.Qe4 Rac8 26.Qe6 Kh8 27.Nc4+/- bc4 28.Qc4+- Qd6 29.Qa6 Bd4?? 30.Bd4 Qd4 31.Rac1 Qd6 32.Qc4 Rc7 33.a4 Rcf7 34.Rc2 Qe5 35.Qc3 Qc3 36.Rc3 Ra8 37.a5 Rfa7 38.Rc6 Rb7 39.Rc4 Rab8 40.Rb1 Rb5 41.Rc6 Kg7 42.a6 Rb4 43.Rb4 Rb4 44.a7 Ra4 45.Rc7 Kh6 46.Kg2 g5 47.h3 Kh5 48.Rh7 Kg6 49.Rb7 Ra2 50.g4 Ra3 51.Rb6 Kg7 52.Rb7 Kf6?? 53.Rb6 Ke5?? 54.Rb5 Ke4 55.Rg5 Ra7 56.h4 Rh7 57.h5 Kf4 58.Rf5 Kg4 59.Rd5 Rg7 60.f3 Kf4 61.Kf2 Rh7 (61...Rh7 62.Rd4 Ke5+-) 1–0. golfx – stan69, kurnik, 2012.

5.d3 e5 6.Nd2 Be6 7.g3 Nc6 8.Bg2 Qd7 9.Ngf3 0-0-0 10.b5 Nb8 (10...Ne7 11.Qa4=) 11.a4 (11.Qa4 a6=) 11...Rhg8 12.c4 d5 (12...Bh3 13.0-0=) 13.c5 (better is 13.Be5!? dc4 14.Rc1+/-) 13...e4= 14.de4 de4 15.Ng5 Nd5? (better is 15...e3 16.fe3 Nd5 17.Bg7 Rg7=) 16.Bg7+- (< 16.Ne6 Qe6 17.Bg7 Rg7 18.Be4 f5+=) 16...Rg7 17.Ne6 Qe6+= 18.0-0 e3 19.Qb3? ef2?? 20.Rf2+= Ne3 21.Qe6 fe6 22.Ne4 Ng2 23.Kg2 Nd7 24.Raf1 c6 25.Rf7 Rf7 26.Rf7 cb5 27.ab5 b6 28.c6 Ne5 29.Rh7 Rf8 30.Ra7 Ng4 31.Ra8 Kc7 32.Rf8 Ne3 33.Kg1 Nf5 34.Rf5! gf5 35.Ng5 Kd6 36.Kf2 e5 37.Nf7 Ke6 38.Ne5! Ke5 39.c7 Kd5 40.c8R Kd6 41.Rc6 Kd5 42.Kf3 Kd4 43.e3 Kd5 44.Kf4 (44.h4 Ke5 45.h5 f4 46.ef4 Kd4 47.h6 Kd3 48.h7 Kd2 49.h8Q Ke1 50.Qe5 Kd2 51.Qe2#) ½–½. golfx – stan69, kurnik, 2012.

5.d3 e6 6.Nd2 b6 7.g3 Bb7 8.Ngf3 Bf3 9.Nf3 Nbd7 10.Bg2 Qe7 11.Ng5 0-0-0 12.0-0 Nd5 13.Nf3 Bc3 (13...Nc3? 14.Qc2 Qf6 15.Rfc1+-) 14.Bc3 Nc3 15.Qb3 (15.Qc2 Nd5+=) 15...Nd5 (better is 15...Ne2!? 16.Kh1 Qf6-/+) 16.e4 N5f6 17.Rac1 d5 (17...e5 18.Qa4 Rde8 19.Qa7+-) 18.e5 (18.Qa4!? Kb7 19.Qc6 Kb8 20.Qc7 Ka8 21.Nd4+-) 18...Ne8+= 19.Rc2 (19.Rfe1 h5+=) 19...f6 (19...g5 20.Re1+=) 20.d4 (20.Nd4!? Ne5 21.f4+/-) 20...fe5 21.de5 Ng7? (21...c5 22.Nd4 c4 23.Qc3 Ne5 24.Re1+=) 22.Qc3 c5+= 23.bc5 Nc5 24.Nd4 Qc7 25.Nb5 Qd7 26.Nd6 Kb8 27.Rb1 Nf5? 28.Qb4?? Nd6=+ 29.ed6 Qd6?? 30.a4?? Rd7?? 31.a5?? Rb7=+ 32.ab6 Rb6 33.Qe1 Nd3 34.Rb6+= ab6 35.Qe3 Nc5 36.Re2 Re8 37.h3 d4 38.Qh6 Re7?? 39.Ra2 d3?? 40.Ra8 Kc7 41.Qd2 e5-/+ 42.Ra7 Kd8 43.Re7? Qe7 0–1. golfx – stan69, kurnik, 2012.

5.d3 e6 6.Nd2 Bd7 7.g3 Qe7 8.Bg2 0-0?? (8...Nc6 9.Ngf3=) 9.Ngf3?? (better is 9.Bb7 Nc6 10.b5+-) 9...c6 10.0-0 d5 11.e4 de4 12.Ne4 Ne4 13.de4 Na6 14.Qb3 c5 15.Rad1 cb4 16.cb4+= Bc6? 17.e5?? Rfd8+= 18.b5 Bd5? 19.Qe3 Nc5 20.Nd2 Bg2=+ 21.Kg2 Qc7 22.f4 Qb6 23.Nc4?? Qb5-/+ 24.Qc3? Qc6?? 25.Qf3-/+ Qf3 26.Kf3=+ Rd1 27.Rd1 Rc8 28.Nd6 Rc7 29.Bd4 Nb3 30.Ba7+/- f6 31.Rb1?? Nd2-+ 32.Kg4 Nb1 33.ef6 Bf6 34.Ne4 Bg7 35.a4 Nc3 36.Nc3 Rc3 37.a5 Ra3 38.Bb6 Bc3 39.h4 Ba5 40.Ba5 Ra5 41.h5 Rh5 42.Kf3 Kf7 43.g4 Ra5 44.f5 ef5 45.gf5 Rf5 46.Kg4 b5 47.Kg3 b4 48.Kg4 b3 49.Kg3 b2 50.Kg4 b1Q 51.Kg3 Qd3 52.Kg4 Qf3 53.Kh4 Qh5 54.Kg3 Qg5 55.Kh3 Rf3 56.Kh2 Qg3 57.Kh1 Rf1# 0–1. golfx – stan69, kurnik, 2012.

5.d3 Be6 6.Nd2 0-0 7.g3 c6 8.Bg2 Qc7 9.Ngf3 Nbd7 10.0-0 d5 11.e3 Ne8 12.Qc2 Nd6 13.Rac1 Bf5 14.Qb3?? (better is 14.Nd4=) 14...Bd3-+ 15.c4? (15.Rfd1 e5-+) 15...Bf1 (15...dc4!? 16.Qa2 Bf1 17.Kf1 Bb2 18.Qb2-+) 16.Bf1 dc4 17.Nc4 Bb2 18.Qb2 Nc4 19.Bc4 e6 20.Kg2 Rad8 21.b5 c5 22.a4 b6 23.Qc3 f6 24.Be6-/+ Kg7 25.Ng5? Ne5-+ 26.Ne4 Qb7 27.f3 Rfe8 28.Bb3 Nf3 29.Qf6= Kh6 30.Qf3 Qe4-+ 31.Qe4 Re4 32.Kf3 Rde8 33.Re1 Kg7 34.Bd5 R4e5 35.e4?? Kf6 36.Rf1 Kg7 37.Kg4?? h5 (37...h5 38.Kh3 Rf8 39.Rf8 Kf8-+) 0–1. golfx – stan69, kurnik, 2012.

5.d3 Be6 6.Nd2 Nc6 7.g3 Bd7 8.Bg2 e5 9.Ngf3 Qe7 10.0-0 0-0-0 (10...0-0!?=) 11.b5+= Nb8 12.a4 d5 13.c4 dc4 14.Nc4 e4 15.de4 Qe4? (15...Bb5 16.ab5 Rd1 17.Rfd1 Qe6 18.Ra7 Rd8+-) 16.Ng5?? (better is 16.Nfe5!? Be6 17.Be4 Rd1 18.Bb7 (18.Rad1?! Ne4 19.f3 Nc5+-; < 18.Rfd1 Ne4 19.Rac1 Nd7+-) 18...Kb7 19.Rfd1+-) 16...Qe7 17.Bf6 Bf6= 18.Qd5 c6 19.bc6?? Bc6-+ 20.Qf7 Bg5 21.Qe7 Be7 22.Rfc1 Bf6 23.Rab1 Bg2?? 24.Kg2 Nc6 25.Na5+/- Rd7 26.Nc6 bc6 27.Rc6 Rc7 28.Rf6 Re8 29.e3 Rb7?! 30.Rb7 Kb7 31.Rf7 Kb6 32.Rh7 a6 33.Rg7 Ka5 34.Rg6 Re5 35.h4 Ka4 36.Ra6 Kb4 37.g4 Kc3 38.h5 Rg5 39.Kg3 Kd2 40.Rf6 Ke2 41.e4 Kd3 42.f3 Kd4 43.h6 Ke5 44.Rf5 Rf5 45.gf5 Kf6 46.Kg4 Kf7 47.Kg5 Kg8 48.Kg6 (48.Kg6 Kf8 49.f6 Ke8 50.f7 Kd7 51.f8Q Kc6 52.Qc8 Kb6 53.h7 Ka7 54.Qc5 Kb7 55.h8Q Ka6 56.Qhc8#) 1–0. golfx – stan69, kurnik, 2012.

5.d3 Bg4 6.Nd2 Nc6 7.g3 Qd7 8.Bg2 0-0-0 9.b5 Ne5 10.c4?? (better is 10.Qa4 Qe6 11.Qa7 Nd3 12.Kf1+=) 10...c6 (better is 10...Nd3 11.Kf1 Nb2-+) 11.bc6 (11.Be5!? de5 12.Qa4+/-) 11...Nc6+= 12.Ngf3 Rhg8 13.0-0 Bf3 14.Nf3 Ng4 15.Bg7 Rg7 16.Qb3 Nge5 17.Ne5 de5 18.Rab1 f5 19.Rb2 e6 20.Rfb1 Qc7 21.Qb7?? Qb7-+ 22.Rb7 Rb7 23.Rb7 Kb7 24.Bc6 Kc6 25.Kg2 Rb8 26.Kf3 Rb3 27.h3 Ra3 28.g4 fg4 29.hg4 Kc5 30.Ke4 Kd6 31.e3 a5 32.g5 Ra2 33.f4 ef4 34.Kf4 Rd2 35.Ke4 a4 36.d4 a3 37.c5 Kd7 38.Ke5 a2 39.Kf6 a1Q 40.Kg7 Re2 41.Kh7 Re3 42.Kg6 Qd4 43.Kf7 Qc5 44.g6 Qf5 45.Kg7 Rg3 46.Kh8 Qf8 47.Kh7 Rh3# 0–1. golfx – stan69, kurnik, 2012.

4.c3 e5

5.d3 0-0 6.Nd2 d5 7.e4 d4 (7...Nbd7!?=+) 8.cd4+= ed4 9.Ne2 Ng4 10.h3 Nf6 11.Nd4 b6 (11...Ne4!? 12.de4 Bd4 13.Bd4 Qd4+=) 12.N4f3 Nc6 13.Be2 Re8 14.0-0 (14.Qc2 Bd7+-) 14...a5 (14...Ne4!? 15.Bg7 Nd2 16.Qd2 Kg7+=) 15.b5 Ne7 16.Nc4 c6 17.a4 (17.e5 Nfd5+-) 17...cb5 18.ab5 Bd7 19.Qb3 Nh5 20.Bg7 Kg7 21.Nce5 Be6 22.Qb2 Nf4?? (better is 22...f6+/-) 23.Nc6+- Kg8 24.Nd8 Rad8 25.Ne5 Nc8 26.Nc6 Rd7 27.Qe5 Nd3 28.Bd3 Rd3 29.Rfd1 Rb3 30.Rd8 Rd8 31.Nd8 Rb5 32.Qb5 1–0. golfx – raf19al89, kurnik, 2011.

5.d3 0-0 6.Nd2 Re8 7.g3 d5 8.Bg2 c6 9.Ngf3 Nbd7 10.0-0 b6 11.e3 Bb7 12.Rc1 c5 13.bc5 Nc5 14.d4 Nd3 15.Rc2 Nb2 16.Rb2 ed4 17.cd4 Ne4 18.Ne4 Re4 (18...de4 19.Nd2=+) 19.a4 (19.Ne5 Qe7+/-) 19...Re8 20.Qb3 Rb8 21.Rc1 Ba8 22.Qb5 Bf8 23.Rbc2 Qe7 24.Ne5+- Bg7 25.Nd3 h5 26.Nf4 Red8 27.Nd5 Qe5?? 28.de5 a5 29.Nf6 Kh8 30.Ba8 Ra8 31.Qb6 Rab8 32.Qb8! Rb8 33.Rc8 Rc8 34.Rc8 Bf8 35.Nd7 1–0. golfx – tsimoraxo, kurnik, 2011.

5.d3 d6 6.Nd2 0-0 7.g3 (7.Ngf3 Be6=) 7...Nbd7 8.Bg2 c6 9.Ngf3 d5 10.0-0 Re8 11.Rc1 e4 12.de4 de4 13.Ng5 e3 14.fe3 Re3 (14...Qb6 15.Nc4 Qb5 16.Nf7 Qc4 17.Nd6=+) 15.Nc4= Re8 16.Nd6 Rf8 17.Nc8 (17.c4!?+=) 17...Rc8= 18.Ne4 Ne4 19.Be4 Re8 20.Bd3 Ne5 21.Be4? (21.Rb1 Qb6 22.Kh1 c5=+) 21...Ng4 22.Bf3? Ne3 23.Qd8 Rcd8 24.Rf2 Rd2 25.Ba1 Red8 26.c4?? Nc4! 27.Bg7 Rd1 28.Rf1-/+ Rf1 29.Kf1 Kg7?? 30.Rc4+- Rd1 31.Kf2 Ra1 32.Rc3 h5 33.h3 f6 34.g4 hg4 35.hg4 g5?! 36.Ke3 Kf7 37.Kd4 Ke6 38.Kc5 Kd7 39.Rd3 Kc7 40.Re3 Kd7 41.Rd3 Kc7 42.Be4 Rc1 43.Kd4 Kd6 44.Bf5 Re1 45.Ke3 Kc7 46.Rd7 Kb6 47.Rf7 Ra1 48.Bc8 Ra3 49.Ke4 Ra4 50.Kf5 (50.Kf5 Rb4 51.Rb7 Kc5 52.Ra7 (52.Kf6?! Rb7 53.Bb7 a5+-) 52...Rf4 53.Kg6+-; 50.Rb7 Ka6 51.Rb8#) 1–0. golfx – pepasenior, kurnik, 2011.

5.d3 d6 6.Nd2 a6 7.g3 0-0 8.Bg2 c6 9.Ngf3 Bg4 10.0-0 Nbd7 11.Rc1 Rb8 12.Re1 b5 13.Qb3 Rc8 14.c4 Nh5 15.cb5 cb5 (15...Be6 16.Qd1 ab5 17.d4=) 16.Rc8+= Qc8 17.Rc1 Qb8 18.Qc3 (18.Rc6 Be6 19.Qd1 Nb6+=) 18...Nhf6 19.Nb3 Nd5 20.Qc2 N5b6 21.Qc6 (21.Na5 d5=) 21...Rc8 (better is 21...Bh6!? 22.Nfd2 Rc8-/+) 22.Qe4= f5 23.Qe3 f4 24.gf4 Rc1 25.Bc1 ef4?? 26.Qf4+/- Bf3 27.Bf3 Ne5 28.Qe4 Qf8 29.Na5 Nf3 30.Qf3 Qf3 31.ef3 Nd5 32.Kf1 Be5 33.h3 Kf7 34.Nb7 Kf6 35.Nd8 h5 36.Nc6 g5 37.Nb8 Nc7 38.Nd7 Kf5 39.Ke2 Bf4 40.Bf4 Kf4 41.Nc5?? dc5-+ 42.bc5 Ke5 43.Ke3 Nd5 44.Kd2 Nf4 45.Ke3 Kd5 46.h4 (46.h4 gh4 47.Kf4 Kc5 48.Ke5-+). golfx – henrichas, kurnik, 2011.

5.d3 d6 6.Nd2 Be6 7.g3 0-0 8.Bg2 b6?? (better is 8...c6=) 9.Ba8+- c6 10.b5! Bd5 11.bc6 Bh1 12.f3?? Qc7 13.Bb7 Nc6 14.Bc6 Qc6 15.Kf2 Nd5 16.Nh3 Qd7 17.Ng5 h6 18.Nge4 Bg2? 19.Kg2?? Ne3-+ 20.Kf2 Nd1 21.Rd1 d5 22.d4 de4 23.Ne4 f5 24.Nd2 Qb7 25.e4 Rd8 26.d5 b5 27.Nf1 a5 28.Ne3 fe4 29.fe4 Qf7 30.Kg2 Rf8 31.Rf1 Qe7 32.Rf8 Bf8 33.c4 Qc5 34.Ng4 bc4 35.Be5 c3 36.Nf6 Kf7 37.Ng4 h5 38.Nf6 c2 39.Nd7 Qe3 40.Bf4 Qe2 41.Kh3 Qg4 42.Kg2-+ Qf4! 43.gf4 c1Q 44.Kg3 Bd6 45.e5 Ba3 46.e6 Ke7 47.Ne5 Qe3 48.Kh4 Qf4 49.Kh3 Bd6 50.Ng6-+ Kf6 51.Nf4 Bf4 52.Kh4 Bd6 53.Kh5 a4 54.Kg4 a3 55.h4 a2 56.h5 a1Q 57.h6 Qd4 58.Kf3-+ Kf5 59.h7 Qd3 60.Kg2 Bc5 61.h8Q Qe3 (61...Qe3 62.Qh5 Ke4 63.Qg4 Kd5 64.Qf3 Qf3 65.Kf3 Ke6=; 61...Qe2 62.Kh3 Qf1 63.Kg3 Bd6 64.Qe5 Be5 65.Kh4 Qh1#) 0–1. golfx – gala43, kurnik, 2012.

5.g3 d5 6.Bg2 0-0 7.d3 a5 8.Nd2 ab4 9.ab4 Ra1 10.Qa1 Re8 11.c4 d4 12.Ngf3 e4 (better is 12...Qd6!?=) 13.de4+= Ne4 14.Ne4 (< 14.Nd4 Nd2 15.Kd2 Qe7=+) 14...Re4 15.e3 de3 16.Bg7 ef2 17.Kf1?? (better is 17.Kf2 Rc4 18.Rd1 Rc2 19.Kg1+-) 17...Bg4 18.Bh8?? Kf8 19.Qg7+- Ke7 20.Qf6 Kd7 21.Qf7 Kc8 22.Qd5 Qe7 23.Kf2 Re2 24.Kg1 Bf3 25.Bf3 Qe3 26.Kf1 Qf2# 0–1. golfx – raf19al89, kurnik, 2011.

5.d3 d5

6.Nd2 0-0 7.c4 d4 8.g3 c6 9.Bg2 Bf5 10.a4 (10.Ngf3 Nbd7=) 10...Nbd7 11.b5 c5 (11...Qc7!?=+) 12.Bb7+= Rb8 13.Bc6 e4 (better is 13...Qa5!?+=) 14.de4+/- (14.Ne4?! Be4 15.de4 Ne5+=) 14...Be6 15.Ngf3 Bh6 16.0-0 Ng4 17.h3 (better is 17.Ba3!? Qe7 18.Bd7 Bd7 19.Nb3+-) 17...Nge5+/- 18.Ne5 Ne5 19.Bd5 Bd5 (19...Bh3 20.Re1 Qe7+/-) 20.ed5?? (better is 20.cd5 Qd7 21.Kg2 Bd2 22.Qd2+-) 20...Qd7 21.Nf3 Nf3 22.ef3+/- Qh3 23.Qd3 Rfe8 24.Bd4 cd4-/+ 25.Qd4 Re7 26.c5 Rbe8 27.c6 Qf5 28.d6+= Re5?? 29.d7+- Rd8 30.c7 Rd5 31.cd8Q Bf8 32.Qe4 Rd7+- 33.Qf5 Rd8 34.Qf6 (34.Qf6 Rd6 35.Qc3+-) 1–0. golfx – raf19al89, kurnik, 2011.

6.Nd2 0-0 7.c4 d4 8.g3 Re8 9.Bg2 Nc6 10.Ngf3 Bg4 11.b5 Na5 12.Nb3 Nb3 13.Qb3 Bf3 14.Bf3 e4 15.de4 Ne4 16.Be4 (16.Rd1!?=) 16...Re4=+ 17.Qd3 Qe7 18.Rd1 Re8 19.Rd2 a6 20.a4 ab5 21.ab5 c5 22.0-0 b6 23.Re1=+ h5 24.e3 Bh6 25.Rde2 de3 26.fe3 Re3 27.Re3=+ Be3 28.Kg2 Qb7 29.Kh3 Qc8-/+ 30.Kg2 Bd4 31.Re8 Qe8 32.Bd4 cd4 33.Qd4= Qe2 34.Qf2 Qc4 35.Qb6 g5?? 36.Qd8+- Kh7 37.b6?? g4 38.Qg5 Qe2 39.Kg1 Qe1 40.Kg2 Qe4 41.Kg1 Qe1 42.Kg2 Qe4 43.Kg1 Qe1 ½–½. golfx – raf19al89, kurnik, 2011.

6.Nd2 0-0 7.c4 e4 8.cd5 (8.e3 dc4 9.Nc4 Bf5=) 8...ed3-/+ (8...Qd5?! 9.de4 Ne4 10.Bg7 Kg7 11.e3=) 9.ed3 Re8 10.Ne2 Nd5 11.Bg7 Kg7 12.g3 Nc3 (12...Nc6 13.Ne4-/+) 13.Qc2 Ne2 14.Be2 Qe7 (better is 14...Nc6!? 15.Ne4 Nd4-/+) 15.Ne4= f5 16.Qc3? (better is 16.Qb2 Kf7 17.Nc3=+) 16...Kg8?? (better is 16...Kf7 17.f3 fe4 18.de4 Be6-+) 17.Nf6+- Kf8 18.Ne8 Ke8 19.Qh8 Kd7 20.Qd4 Ke8 21.Rc1 Nc6 22.Qh8 Kd7 23.Kd2 b6? 24.Rhe1 Bb7 25.Qc3 Re8?? 26.b5 Qg5 27.f4 Qf6 28.bc6 Bc6 29.Qf6 (29.Qf6 Re6 30.Qf7 Re7 31.Qc4+-) 1–0. golfx – raf19al89, kurnik, 2011.

6.Nd2 0-0 7.g3 Re8 8.Bg2 c6 9.c4 d4 (9...Nbd7 10.cd5 cd5 11.Ngf3=+) 10.Ngf3= Nbd7 11.0-0 a5 12.c5 ab4 13.ab4 Ra1 14.Qa1 b6 15.Nb3 (15.Nc4 bc5 16.bc5 Qc7=) 15...bc5 16.Nc5 Nc5 17.bc5 Bg4 (17...Nd7 18.Rc1=) 18.Qa6 (18.e3 Bf3 19.Bf3 de3 20.Be5 ef2 21.Rf2 Re6+=) 18...Nd5 (better is 18...Qe7!?=) 19.Qc6+/- Nc3 20.Bc3 dc3 21.Rc1 e4 22.de4 Bf3 23.Bf3 Re7 24.Qd6 Rd7 25.Qf4 Rd1 26.Rd1?? Qd1-+ 27.Kg2 c2 28.Qb8 Bf8 29.e3 Qd2 30.c6 c1Q 31.c7 Qde1 32.Kh3 Qec3 33.Bg4 Qc7 34.Qc7-+ Qc7 35.Kg2 Bc5 36.Kf3 Qa5 37.h4 h5 38.Bd7 Qe1 39.e5 Qd1 40.Ke4 Qe2 41.e6 fe6 42.Be6 Kg7 43.Bd5 Qf2 44.Kd3 Qe3 45.Kc2 Qe2 46.Kc3-+ Qe3 47.Kc2 Qg3 48.Be4-+ Qh2 49.Kd3 Qh4 50.Bg6 Kg6 51.Kc3 Qg3 52.Kc4-+ h4 53.Kc5 h3 54.Kd4 h2 55.Ke4 h1Q (55...h1Q 56.Kd4 Qd6 57.Kc4 Qb1 58.Kc3 Qdd3#) 0–1. golfx – raf19al89, kurnik, 2011.

6.Nd2 0-0 7.g3 Re8 8.Bg2 Nc6 9.e3 d4 (9...e4!? 10.de4 Ne5-/+) 10.cd4= ed4 11.Ne2? (better is 11.Bc6 bc6 12.e4=) 11...de3-+ 12.fe3 Re3 (12...Qd3?! 13.Bf6 Bf6 14.Ne4 Qd1 15.Rd1-/+) 13.0-0 Rd3 (13...Qd3?! 14.Nf4 Qb5 15.Ng6 fg6 16.Bf6-/+) 14.Bc3? (better is 14.Bf6 Bf6 15.Ra2-+) 14...Nh5 15.Ra2 (15.Bc6 bc6 (15...Rc3?! 16.Nc3 Bc3 17.Nb3 Qd1 18.Rad1 bc6 19.Rd8 Kg7 20.Rc1-+) 16.Qe1 Bc3 17.Nc3 Rd2-+) 15...Bc3 (15...Rc3?! 16.Nc3 Bc3 17.Bc6 bc6 18.Nf3 Qd1 19.Rd1-+) 16.Nc3 Rc3 17.Ne4 Qd1 18.Rd1 Re3 19.Nc5 Be6 20.Bc6 bc6 21.Raa1 Re8 22.Re1 Re1 23.Re1 Nf6 24.Na6 Re7 25.Rf1 Ne4 26.Rf4 f5 27.Nc5 Nc5 28.bc5 Bd5 29.Ra4 Re1 30.Kf2 Rh1 31.Ra7 Rh2 32.Ke3 Rg2 33.Kf4 Rf2 34.Ke3 Rf3 35.Kd4 Rg3 36.a4 h5 37.a5 Kh7 38.a6 Kh6 39.Rc7 h4 40.a7 Ra3 41.Ke5 h3 42.Kf6 h2 43.Ke7 h1Q 44.Kd8 Qb1 45.Kd7 Qb5 46.Kd6 f4 47.a8Q Ra8 48.Re7 Rd8 49.Kc7 Qb8# 0–1. golfx – raf19al89, kurnik, 2011.

6.Nd2 0-0 7.g3 Re8 8.Bg2 Bf5 9.Ngf3 e4 10.de4 de4 11.Nd4 Qd7 12.Nf5 Qf5 13.Qc2 c6 14.0-0 Nbd7 15.e3 Qh5 (15...Rad8!?=) 16.Ne4+= Ng4? (better is 16...Ne4!? 17.Be4 Ne5+=) 17.h3+- Ngf6 18.Nf6 (18.Nd6 Reb8+-) 18...Nf6 19.c4 Rad8 20.b5 cb5 21.cb5 (< 21.Bb7 Qh3 22.Bg2 Qc8+=) 21...b6 (21...Qb5 22.Rab1 Rc8 23.Qd1+/-) 22.Qb3 Ne4 23.Bg7 Kg7 24.Qc2 Ng5 25.h4 Ne6 26.a4 Rd7? (26...Nc5 27.Rfd1+/-) 27.Qc6 Red8 28.Qc3 Kg8 29.Bh3 Rd2 30.Kg2 Nc5 31.Qf6+= Qe2 32.Rae1 Qd3 33.Bg4 Qc2 34.h5 Ne4 35.Qf4 Nc5 36.h6 Nd3 37.Qf6 (37.Qf6 Ne1 38.Re1=+). golfx – raf19al89, kurnik, 2011.

4.c3 e6

5.c4 0-0 6.Bf6 Bf6 7.Nc3 Nc6 8.Qc2 Nd4 9.Qd3 a5 10.ba5 Ra5 11.Ne4? (better is 11.Ra2-/+) 11...Nc2!!-+ 12.Qc2 Ba1 13.Qb3 Bg7 14.Nf3 (14.c5 c6-+) 14...Qe7 15.e3 Ra3 16.Qb1 (16.Qb5-+) 16…Ra1 (16...Ra1 17.Qa1 Ba1-+) 0–1. jackw171 – bobolek, kurnik, 2012.

5.d3 0-0 6.Nd2 d6 7.g3 c6 8.Bg2 Nbd7 9.Ngf3 b6 (9...Nd5 10.Qc2=) 10.0-0 (10.Nd4 Qc7 11.Bc6 Bb7 12.Bb7 Qb7+/-) 10...Bb7 11.e3 Rc8 12.d4 d5 13.c4 Re8 14.Rc1 Ba6 (14...c5 15.Qa4=) 15.Qb3 b5 16.c5 Ne4 (16...Qc7!?+=) 17.Ne4+/- de4 18.Nd2 f5 19.a4?? (better is 19.f3 ef3 20.Nf3+/-) 19...ba4-/+ 20.Qa4 Bf1 21.Rf1 Ra8 22.Qc6 Qc8 23.Qd6 a5 24.ba5 Ra5 25.Nc4 Ra8 26.Rb1 Qa6 27.Nb6?? Nb6=+ 28.Qb6 Qb6?? 29.cb6=+ Rab8 30.Ba3= Rec8 31.Bc5 Rc6 32.Bf1 Bf8+= 33.Bb5 Rcc8 34.Bd7+/- Rd8 35.Be6+- Kg7 36.Bf8 Rf8 37.d5 Rfe8? 38.b7 Re7 39.Bc8 Re8 40.Rc1 Kf6 41.Rc6 Ke5 42.d6 Rd8 43.d7 Kd5 44.Ra6 (44.Ra6 Kc5 45.Kg2+-) 1–0. golfx – stan69, kurnik, 2012.

5.d3 b6 6.Nd2 Bb7 7.Ngf3 Nc6 8.g3 d5 9.Bg2 0-0 10.0-0 Re8 11.c4 e5 12.cd5 Nd5 13.Nc4 Nce7 (better is 13...b5 14.e4 Nb6 15.Nb6 ab6=) 14.e4+/- b5 15.Na5 Qb8 16.ed5 e4 (16...Nd5 17.Qb3 c6+-) 17.de4 (better is 17.Nd4 Bd4 18.Bd4 Bd5 19.de4+-) 17...Bb2+/- 18.Ra2 Bg7 19.Nb7 Qb7 20.Qc2 Rac8 21.Rc1 c6? (21...f5 22.Qb3 fe4 23.d6 Qd5 24.Qd5 Nd5+-) 22.a4?? (better is 22.d6+-) 22...cd5-/+ 23.Qd2 de4 24.Ng5 f5 25.ab5 Red8 26.Qe1 Qb5 27.Rac2 Rc2-+ 28.Rc2 Nd5 29.Ne6 Rb8 30.Ng7-/+ Kg7 31.Qa1 Kh6 32.Qc1+= Kg7 33.Qb2?? Kh6 34.Bf1 Qb4-/+ 35.Qb4? Nb4-+ 36.Rb2 a5 37.Rb3 a4 38.Ra3 Ra8 39.Bb5 Ra7 40.Ra4 Ra4 41.Ba4 Nc6?? 42.Bc6+- Kg5 43.Kg2 f4? 44.gf4 Kf4 45.h3 e3 46.fe3 Ke3 47.Kg3 Kd4 48.Kg4 Ke5 49.Kg5 Kd6 50.Ba8 Ke5 51.Kh6 Kf4 52.Kh7 Kg5?? 53.Bc6 Kh4 54.Bd7 g5 55.Kh6 g4 56.hg4 Kg3 57.g5 Kf4 58.g6 Ke5 59.g7 Kd6 60.Ba4 Ke7 61.g8N (61.g8N Kd6 62.Bb3+-) 1–0. golfx – tsimoraxo, kurnik, 2011.

5.d3 c6 6.Nd2 a6 7.g3 (7.e4 d6=) 7...b5 8.Bg2 d5 9.e3 Nbd7 10.Ne2 Bb7 11.0-0 0-0 12.Rc1 Qe7 13.Re1 Rac8 14.e4 de4 15.Ne4 Ne4 16.Be4 Nf6 17.Bg2 Rcd8 (17...c5 18.Bb7 Qb7 19.bc5=+) 18.Qb3 (better is 18.c4!?=) 18...Rd3-/+ 19.Nf4 Rdd8 20.c4 bc4 (20...Rd6 21.Be5 Rd2 22.Nd3=) 21.Qc4 Nd5 22.Nd3 Rc8 23.Bg7+= Kg7 24.Nc5 Qc7? 25.Nb7?? Qb7= 26.Re2 Qb5 27.Rec2 Qc4 28.Rc4 Kf6 29.a4?? Rb8-/+ 30.Rc6 Nb4 31.Rd6 a5 32.Rc5=+ Ra8 33.Ba8+/- Ra8 34.Rd7 h5 35.Rcc7 Rf8 36.Ra7 Nc2? 37.Ra5+- Ne1 38.Raa7 e5 39.a5 e4 40.a6 Nf3 41.Kg2 h4?? 42.Rab7 g5?? 43.a7 g4 44.Rb8 h3 45.Kh1 Rb8 46.ab8Q Ke6 47.Ra7 f5 48.Qb5 e3 49.Ra6 Kf7 50.Qb7 Ke8 51.Ra8# 1–0. golfx – asibbulla, kurnik, 2011.

5.d3 d5 6.Nd2 Nc6 7.Ngf3 Bd7 8.g3 e5 9.Bg2 (9.c4+=) 9...d4 (better is 9...e4 10.de4 Ne4=) 10.cd4+/- ed4 11.Nd4 Ng4?? (better is 11...Nd4 12.Bd4 Bh3 13.Bh3 Qd4+/-) 12.Nc6+- Bc6 13.Bc6 bc6 14.Bg7 Rg8 15.Bc3 Qd5 16.0-0 Qh5 17.h3! Qh3 18.e4 Qh2# 0–1. golfx – morcheebak, kurnik, 2012.

5.d3 d6 6.Nd2 c5 7.g3 cb4 8.cb4 0-0 9.Bg2 d5 10.Ngf3 b6 11.0-0 Bb7 12.Rc1 Re8 13.Qb3 Nc6 14.Rfe1 Rb8 15.a4 Bf8 16.a5 (better is 16.b5!? Na5 17.Qd1+=) 16...Nb4=+ 17.ab6 ab6 18.Ba3 Qd6?? (better is 18...Nc6=+) 19.Rb1+- Qc6 20.Bb4 Bb4 21.Qb4 Ba6 22.Rec1 Qb7 23.Ne5 b5 24.e3 Red8 25.Nc6 Rdc8 26.Nb8 Rc1 27.Rc1 Qb8 28.Nb3 h5 29.e4 Qe5 30.ed5 Nd5 31.Qd4 Qe2 32.Rc6 Bb7 33.Rd6 Qe1 34.Bf1 Kh7 35.Rd8 (35.Rd8 e5 36.Qa7+-) 1–0. golfx – tsimoraxo, kurnik, 2011.

5.d3 d6 6.Nd2 Bd7 7.g3 c6 8.Bg2 Qc7 9.Ngf3 Na6 10.0-0 0-0-0 11.c4 Nb8 (11...Rde8 12.c5 dc5 13.Be5+-) 12.b5 (12.c5!? Rhg8 13.Ng5+/-) 12...cb5+= 13.cb5 Bb5 14.Rc1 Bc6 15.Nd4 Qd7? (15...d5!?=) 16.Nc6 (16.Qa4 d5 17.Qa7 h6+-) 16...Nc6 17.Ne4 Ne4 18.Bg7 Rhg8 19.Be4 Rg7+= 20.Qb3 d5 21.Bg2 f5 22.Rb1 h5 23.Qb5 a6 24.Qc5 Qd6 25.Qa7?? Qb8 26.Qe3 Re7 27.Rb2 Rdd7 28.Rfb1 Qa7 29.Qa7 Na7-/+ 30.e4 fe4 31.de4 d4 32.e5 Rc7 33.Be4 g5-/+ 34.Rb6 Nc6 35.Bg6? h4?? 36.Be4 hg3 37.hg3 Ne5 38.a4 g4 39.a5 Nf3 40.Kg2 Nd2 41.Bg6 Nb1 42.Rb1 Rc5 43.Bh5 Rh5 44.Re1 Ra5 45.Re4 Rg5 46.Rd4 Rd7 47.Re4 Rd6 48.Rc4 Kd7 49.Rb4 b5 50.Re4 a5 51.Rf4 b4 52.Rc4 b3 53.Rc3 b2 54.Rb3 Rgd5 55.Rb2 a4 56.Rb4 a3 57.Ra4 Rd3 58.Rg4 a2 59.Ra4 Rd2 60.g4 Rb6 61.g5 Rb5 62.Kg3 Rg5 (62...Rg5 63.Kf4 Rg1-+) 0–1. golfx – stan69, kurnik, 2012.

5.d3 d6 6.Nd2 Bd7 7.g3 Nc6 8.Bg2 d5 9.Ngf3 Qe7 10.0-0 0-0-0 11.e3 (11.c4 dc4 12.Nc4 Qe8+/-) 11...Rhg8 (11...e5 12.b5 Nb8 13.c4+=) 12.b5 Nb8 13.a4 b6 (better is 13...e5!?=) 14.c4+/- Qc5?? (14...h6 15.Ne5+/-) 15.cd5 (better is 15.Ba3 Na6 16.d4 Qa3 17.Ra3+- (17.ba6?! Qb4+=)) 15...ed5 16.Rc1 Qd6?? (16...Qe7 17.Qc2 Bg4 18.a5+-) 17.Qb3 Be6? 18.Nd4 Ng4 19.Ba3 Qd7 20.Qc3 Bd4 21.Qd4 f5 22.Bb4 Nh6 23.a5 Nf7? 24.ab6 ab6 25.Nf3 Qb5+/- 26.Rb1 Qd7 27.Rfc1 Nd6?? 28.Bd2 Nb7?? 29.Rb6 Nc6 30.Rbc6 Qe7 31.Qa7 Rd7 32.Rb1 Kd8 33.Qb7 Ke8+- 34.Rc7! Rc7 35.Qb8 Kf7 36.Ne5 Kf6 37.Nf3 Rb8-+ 38.Rb8 Qa3 39.e4? Qa1 40.Bf1 de4 41.de4 Bc4 42.Ne1 Bf1 43.Kf1 Qa2 44.Be3? Qc4 45.Kg2 Qe4 46.Kh3 Qg4 47.Kg2 Qe4 48.Kh3 g5 49.Rb6 Rc6 50.Rc6 Qc6 51.Nd3 g4 52.Kh4 Qe8 53.Nf4 Qd8 54.h3 Ke5 55.Kh5 Qe8 (55...Qe8 56.Kh4 Qe7 57.Kh5 Qf7 58.Kh4 Qf6 59.Kh5 gh3-+) 0–1. golfx – stan69, kurnik, 2012.

5.d4 0-0 6.Nf3 b6 (6...d6 7.Nbd2=+) 7.e3= Bb7 8.Bd3 d5 9.0-0 c5 10.Nbd2 c4 11.Bc2 Nbd7 12.Qe2 b5 (12...a5 13.ba5 Ra5 14.a4=) 13.a4 a6 14.ab5 (14.Ra2 Qc7=) 14...ab5 15.Ra8 Ba8 16.Ra1 Qc7 17.Ra5 Bc6 (17...Bb7 18.e4=) 18.Qd1 Ra8 19.Ra8 Ba8 20.Qa1 Bc6 21.Qa5 Qa5 22.ba5 Bf8 23.Nb1 b4 (23...Nb8 24.Ba3=) 24.cb4 Bb4 25.Bc3 Bc3 (25...Bd6 26.Ne5 Bb5 27.Kf1+=) 26.Nc3+= Nb8 (26...Bb7 27.Kf1+=) 27.Ne5 Bb7 28.Ba4 Na6 (28...Kf8 29.Kf1+=) 29.Kf1 Ne4? (better 29...Kf8+=) 30.Ne4+- de4 31.Bc6 Bc6 32.Nc6 c3 (32...Kf8 33.Ke2 Nc7 34.Kd2+-) 33.Ke1 Kf8 34.Kd1 Ke8 (34...Nc7 35.Kc2+-) 35.Kc2 Kd7 (35...f5 36.Kc3 Kd7 37.Nb4+-) 36.Ne5 Ke7 37.Kc3 f6 (37...Nb8 38.Kb4 f6 39.Nc4+-) 38.Nc6 Kd6 39.Nb4 Nb4 (39...Nc7+-) 40.Kb4 Kc6 41.g4 f5 (41...h6 42.Kc4 f5 43.gf5 gf5+-) 42.g5 f4 43.ef4 Kd5 44.a6 Kd4 45.a7 (45.a7 e3 46.a8Q ef2 47.Qa7 Kd3 48.Qf2+-) 1–0. Pierre – InGuest236, internet, 2020.

5.g3 0-0 6.Bg2 h5 (6...e5 7.Nf3 e4 8.Nd4=) 7.Nf3 d5 8.0-0 e5 (8...a5 9.Qc2=) 9.e3 (better is 9.Ne5 Re8 10.d4+/-) 9...e4 10.Ne1 Bf5 11.d3 Nc6 12.de4 Ne4 13.Nd2 (13.Nf3 Re8=+) 13...h4 (13...Bc3!? 14.Bc3 Nc3-/+) 14.Ne4= de4 15.Qd8 (15.Qc2!?=) 15...Rad8-/+ (< 15...Nd8 16.gh4 c5 17.f3=) 16.Nc2 (16.h3!?-/+) 16...hg3 17.hg3 (17.fg3 Rd2 18.Rf2 Rf2 19.Kf2-/+) 17...Ne5 (better is 17...Rd2!? 18.Rac1 Ne5-+) 18.Nd4-/+ Nc4 19.Bc1 Kh7 20.Nb5 c6 21.Nd4 Rh8 22.Nf5 gf5 23.Ra2 Kg6 24.Rc2 Bf6 25.f3 f4 26.fe4?? Ne3 27.Be3-/+ fe3 28.Re1 Bg5 29.c4 Rd2 30.Rd2 ed2 31.Rd1 Rd8 32.Kf1 Rd3 33.Ke2 Rg3 34.Bf3 Rh3 35.Bg4? Ra3 36.b5? cb5 37.cb5 Rb3 38.Bd7 a6 39.ba6 ba6 40.Bc6 Rc3 41.Bd5 a5 42.Rd2 Bd2 43.Kd2 Rg3 44.Kc2 a4 45.Kb2 a3 46.Ka2 f5 47.ef5=+ Kf5 48.Bf7?? Ke5 49.Bb3 Kd4 50.Bf7 Kc5 51.Kb1 Kb4 52.Ka2 Rg2 53.Ka1 Rf2 54.Bg8 Kc3 55.Kb1 Rb2 56.Ka1 1–0. golfx – tsimoraxo, kurnik, 2011.

4.Nc3 0-0

5.d4 d5 6.Nf3 e6 7.e3 Nc6 8.Ne5 Ne5 9.de5 Nd7 10.f4 f6 11.Ne2 (better is 11.ef6!? Nf6 12.Rb1+=) 11...fe5-/+ 12.fe5 Be5 13.Be5 Ne5 14.Qd4 Qd6 15.0-0-0 (15.Nc3!?-/+) 15...c6 16.e4 Bd7 17.Nc3 Rad8 18.Qa7 Bc8 (18...Ra8 19.Qd4-+) 19.Na4 (19.Be2 d4+=) 19...Nc4 (better is 19...Ng4 20.Rd2 Qf4-+) 20.Bc4= Qf4 21.Kb1 dc4 22.Rd4?? (22.Rd8 Rd8 23.Nb6 Qe4+=) 22...Rd4 23.Qd4= e5 24.Qc4 Qf7 25.Qf7 Rf7 26.g3 Rf2 27.h3 Rf3 28.Kb2 Rg3 29.h4 Re3 30.Nc3 Kf7 31.h5 g5 32.Rf1 Kg7 33.Rg1 h6 34.Rh1 b5 35.Rh2 Bd7 36.Rd2 Be8 37.Rd6 Rf3?? 38.Re6+= Bh5 39.Re5 Rf6 40.Re7 Rf7 41.Re6 Rf6 42.Re5 Bg6 43.Re7 Kf8 44.Rc7 Re6 45.Rc8 Re8?? 46.Re8?? Be8 47.Kc1 Bg6 48.Kd2 Ke7 49.Ke3 Ke6 50.Kd4 Kd6 51.Ne2 Ke6 52.Ng3 Kd6 0–1. jackw171 – petsik, kurnik, 2012.

5.e3 a5 6.b5 c5 7.Nf3 b6 8.d3 Bb7 9.Be2 d6 10.0-0 Nbd7 11.a4 e6 12.e4 d5 13.e5 Ne8 14.d4 cd4 15.Qd4 Qc7 Pawn e5, live or die! 16.Na2 Rc8 17.c4 (17.Rfe1!?=+) 17...dc4-/+ 18.Rac1? (better 18.Rfe1-/+) 18...Qc5?? (better 18...Bf3 19.Rc4 Be2 20.Rc7 Rc7-+ (20...Nc7?! 21.Re1 Ne5 22.Qh4-+)) 19.Rc4?? (better 19.Qd7 Bf3 20.gf3 Be5 21.Be5 Qe5 22.Qc8 Qe2 23.Qc4 Qf3 24.Rfd1+-) 19...Qd4-/+ 20.Rd4 (20.Nd4 Rc4 21.Bc4 Ne5 22.Be2-/+) 20...Nc5 (20...Bf3 21.gf3 Be5 22.Rd7 Bb2 23.f4-+) 21.Rfd1? (better 21.Re1=) 21...Bf3-+ 22.Bf3 Be5 23.R4d2 Bb2 24.Rb2 Na4 25.Rbd2 Nf6 26.Bc6 Nc5 27.Nc3 Rc7 28.f3 Kg7 29.Rd6 h5 30.Ne2 (30.Kf2 Rfc8-+) 30...a4 31.Nd4 Ra7 32.Ra1 a3 (better 32...Rc8!? 33.f4-+) 33.Nc2-/+ a2 34.Nb4 Nb3 (34...Ra4!? 35.Na2 Rc8 36.h3-+) 35.Ra2 Ra2 36.Na2 Nc5 37.Nc3 Rc8 38.Ne4 Nce4 39.fe4 Rc7 40.e5? (better 40.h3=+) 40...Nd5?? (better 40...Ng4-+) 41.Bd5+= ed5 42.Rb6 (42.Rd5 Rc1 43.Kf2 Rc2 44.Kf3 Rc3 45.Kf4 Rc2+=) 42...Rc1 43.Kf2 Rc2 44.Ke3 Rb2 (44...Rg2 45.h3=+) 45.Kd4 (better 45.Rb7 Rb4 46.Kd3+-) 45...Rb4 (better 45...Rg2 46.Rb7 Rh2+=) 46.Kd5+- Rb2 47.Rd6?? (47.Rb7 Rd2 48.Kc4 Re2+-) 47...Rg2?? (better 47...Rb5 48.Ke4 Rb2=) 48.Kc6 (48.b6 Rh2 49.b7 Rb2+-) 48...Rb2 (better 48...Rc2 49.Kd7 Rh2+-) 49.Kd7?? (49.b6 Rc2 50.Kd7 Rh2+-) 49...Rc2?? (better 49...Rb5 50.e6 fe6 51.Ke6 Rb2-+) 50.b6+- Re2? (50...Rh2 51.b7 Rb2 52.Kc7 Rb7 53.Kb7+-) 51.Rc6 (better 51.b7 Rb2 52.Kc7+-) 51...Re5 52.Kc7 (better 52.Rc8+-) 52...Re6?? (better 52...Re7 53.Kb8 Re2+-) 53.b7 (better 53.Re6!? fe6 54.b7 e5+-) 53...Rc6?? (53...Re7 54.Kb6 Rb7 55.Kb7 h4+-) 54.Kc6 Kf6 55.b8Q Kg5 56.Qd6 f6 57.Qe5 (57.Qd2 Kg4 58.Qg2 Kf5 59.Kd5 h4 60.Qf3 Kg5 61.Ke6 f5 62.Qe3 Kh5 63.Kf6 f4 64.Qf4 g5 65.Qg5) 57...fe5-+ 58.Kd5 Kf4 59.h3 e4 60.Ke6 g5 61.Kf6 g4 62.Kg6 gh3 63.Kh5 (63.Kf6 e3 64.Ke6 h2 65.Kd5 h1Q 66.Kd6 e2 67.Kd7 e1Q 68.Kc7 Qe5 69.Kb6 Qb1 70.Kc6 Qbb5) 63...h2 64.Kh6 (64.Kg6 e3 65.Kf7 e2 66.Kg7 h1Q 67.Kf8 Qh6 68.Ke8 e1Q 69.Kd7 Qb6 70.Kc8 Qee6) 64...h1Q (64...e3 65.Kg7 e2 66.Kf7 h1Q 67.Ke7 e1Q 68.Kd8 Qd5 69.Kc7 Qe7 70.Kb6 Qeb7) 65.Kg6 Qf3 (65...e3 66.Kf7 Qd5 67.Kf8 e2 68.Ke7 e1Q 69.Kf8 Qd7 70.Kg8 Qee8) 66.Kf7 (66.Kg7 Kg5 67.Kh7 Qf5 68.Kg7 Qd7 69.Kf8 Kf6 70.Kg8 Qg7) 66…Qg3 (66...Qg3 67.Kf6 Qc3 68.Kg6 e3 69.Kh7 e2 70.Kg6 e1Q 71.Kf7 Qh8 72.Kg6 Qe6; 66...Ke5 67.Kg6 Qg4 68.Kf7 e3 69.Ke7 Qg7 70.Ke8 Ke6 71.Kd8 Qd7) 0–1. TwelveTeen (2555) – Ghostqiuyu (2550), lichess.org, time forfeit, 2016.

5.e3 d5 6.Qe2 c6 7.0-0-0 (7.Nf3 b6=+) 7...a5 8.Na2 (8.b5!?-/+) 8...ab4-+ 9.Nb4 Nbd7 10.d4 Nb6 11.Qd2 Ne4 12.Qe1 c5 13.f3? (better is 13.dc5 Bb2 14.Kb2 Na4 15.Kb3 Nac5 16.Kb2 Na4 17.Kb3-+) 13...Nf2 14.Qf2=+ cb4 15.ab4 Bf5 16.g4=+ Bd7 17.h4 Nc4 18.Bc4= dc4 19.c3 Ba4 20.Re1 Bb3 21.h5 Ra2 22.hg6 fg6 23.Qh4 h6 24.g5?? h5?? 25.f4?? Qa8-+ 26.Rh2 b5 27.Nf3 Qf3 28.Ree2 Qe4 29.Qf2 Rfa8 30.Rg2 Ra1! 31.Ba1 Ra1 32.Kb2 Qb1 0–1. erisonpassos – telyn, kurnik, 2011.

5.e3 d6 6.Rb1 c5 7.bc5 dc5 8.d4 cd4 9.ed4 Nc6 10.Nf3 Bg4 11.d5 Nd5 12.Qd5 Qd5 13.Nd5 Bf3 14.Bg7 Bd5 15.Bf8 Rf8 16.c4 Be4 17.Rb7 Nd4 18.Ra7 Rb8 19.Re7 Rb1 20.Kd2 Bf5 21.Kc3 Nc6 22.Rc7 Rc1 23.Kd2 Ra1 24.Rc6 Be4 25.f3 Bc6 26.Rg1 Kg7 27.Kc3 Rc1 28.Kb2 Re1 29.g4 Bf3 30.c5 Bc6 31.Kc3 Kh6 32.Kb4 f5 33.gf5 gf5 34.h4 Kh5 35.Rg5 Kh4 36.Rf5 Kg4 37.Rf6 Rb1 38.Ka5 Bd5 39.Ba6 h5 40.Rg6 Kf4 41.c6 Rc1 42.Bb7 h4 43.Kb6 h3 44.c7 Bb7 45.Kb7 h2 46.Rh6 h1Q 47.Rh1 Rb1 48.Ka7 Rh1 49.c8Q Ra1 50.Qf8 Ke4 51.Qe7 Kf4 52.Qf6 Ke4 53.Qa1 Kd5 54.a4 Kc6 55.a5 Kd5 56.a6 Ke4 57.Kb8 Kd5 58.a7 Ke6 59.a8Q Kd7 60.Qd5 Ke8 61.Qae5 Kf8 62.Qf3 Kg8 63.Qg5 Kh8 64.Qfh5 1–0. Adamkosh (1905) – hdim2016, lichess.org, 2019.

5.e3 Ne4 6.d4 Nc3 7.Bc3 d6 8.Nf3 Nd7 9.Be2 e5 10.0-0 e4 11.Nd2 d5 12.Bb2 c6 13.c4 Nf6 14.b5 h5 (14...cb5 15.cb5 a6 16.ba6=) 15.a4 h4 16.h3 Re8 17.Qb3 Bf5 18.Rac1 Qd7 19.Nb1 (19.cd5 cd5 20.Ba3 Rec8+=) 19...Bh3 (19...dc4!? 20.Bc4 Be6+=) 20.gh3+/- Qh3 21.cd5 Ng4 (21...Bh6 22.Bd1 Nh5=) 22.Bg4+- Qg4 23.Kh2 Bf8 (23...cd5 24.Qd5 Rad8 25.Qb3+- (25.Qb7?! Rd4 26.Qc7 Rd7+=)) 24.Ba3 (24.bc6?? Bd6 25.Kh1 Qh3 26.Kg1 Qh2; 24.dc6?? Bd6 25.Kh1 Qh3 26.Kg1 Qh2) 24...Ba3 25.Na3 cd5 (25...cb5 26.Nb5 Red8 27.Rc7+-) 26.Qd5 Rad8 27.Qb3 (27.Qb7!? Rd4 28.Qa7 Rd2+-) 27...Re6 28.Qd1 Qf5 29.Qe2 Rf6 30.Nc4 Kh7 (30...Rc8 31.Rc2+-) 31.Ne5 Re8 32.Rc7?? (better 32.f3 Qg5 33.Rg1 ef3 34.Qf2+- (34.Rg5?! fe2 35.Re1 Rf1+-)) 32...Re5+/- 33.de5?? (better 33.Rb7 Rd5 34.Ra7+/-) 33...Qe5-/+ 34.f4?? (better 34.Kg2 h3! 35.Kh3 Qc7 36.Kg2-/+) 34…ef3 (34...ef3 35.Kg1 Qg3 36.Kh1 fe2 37.Rf7 Rf7 38.Rf7 Kh6 39.Rh7 Kh7 40.e4 e1Q; 34...Qc7?! 35.Rh1-+) 0-1. Chandra_PW (2620) - BabaRamdev (2820) , Rated Bullet game, lichess.org, 2021. (=1.a3 g6 2.b4 Bg7 3.Nc3 Nf6 4.Bb2)

5.Nf3 d6 6.e3 Nbd7 7.d4 e5 8.Be2 e4 9.Nd2 d5 10.h3 c6 11.Na2 Re8 12.c4 Nf8 (12...dc4 13.Nc4 Nb6 14.Nb6 Qb6 15.Qc2=) 13.Nc3 White plans b5 13...h5 (13...dc4 14.Nc4 Nd5 15.0-0=) 14.Qb3 White prepares b5 14...Ne6 15.a4 White intends b5 15...h4 16.b5 Ng5 17.Ba3 Bf5 18.Rc1 Qd7 19.Na2 (19.Rb1 Red8+=) 19...Qe6 (19...dc4 20.Bc4 Be6 21.bc6 Qc6 22.Nc3+=) 20.Nb4 Bf8 (20...Rec8 21.bc6 bc6 22.Na6+=) 21.a5 (21.bc6 Bb4 22.Qb4 bc6+/-) 21...Rab8 22.Na2 Ba3 23.Qa3 cb5 24.cb5 Rec8 25.Nb3 (25.0-0 Qd7+/-) 25...b6 (25...Rc1 26.Qc1 Rc8 27.Qd2+=) 26.ab6 (26.0-0 Qd7+/-) 26...ab6 27.Nb4 Qd6 28.0-0 Rc1 29.Rc1 Bh3 (better 29...Rc8+=) 30.gh3=+ Nh3 31.Kg2 (31.Kf1!? Qh2 32.Ke1 Qf2 33.Kd2=) 31...Nf2!-/+ 32.Rg1? (32.Kf2 Qg3 Deflection) 32...N2g4-+ 33.Nd2 (33.Kf1 Ne3 34.Ke1 Qb4 35.Qb4 Nc2 36.Kf2 Nb4 37.Rh1-+) 33…Qh2 (33...Qh2 34.Kf1 Qf2; 33...Qg3 34.Kh1 Nf2) 0-1. Chandra_PW (2605) - BabaRamdev (2835), Rated Bullet game, lichess.org, 2021. (=1.a3 g6 2.b4 Bg7 3.Nc3 Nf6 4.Bb2)

5.g3 d6 6.Bg2 Nbd7 7.Nf3 c6 8.0-0 e5 9.e3 Ng4 10.Ne4 Ndf6 11.Nf6 Nf6 12.c4 Bg4 13.Qc2 Bf5 14.d3 e4 15.de4 Ne4?? (15...Be4 16.Qd2=) 16.Qb3?? (better is 16.Bg7 Ng3 17.Qb2 Nf1 18.Bf8 (18.Kf1?! Re8+-) 18...Qf8 19.Rf1+- (19.Kf1?! Bd3 20.Kg1 Bc4+-)) 16...Bb2= 17.Qb2 d5 18.cd5 cd5 19.Nd4 Be6 20.Ne6 fe6 21.Qe5 Qf6= 22.Qf6 Rf6 23.Be4+= de4 24.Rac1 Raf8 25.Rc4 e5 26.Re4 R8f7 27.Re5+- Kg7 28.f4 Rd6 29.Rc5 Rd3 30.Re1 Ra3 31.e4 Rb3 32.Rc4 Re7 33.e5 b5 34.Rd4 Ra3 35.e6 Ra4 36.Rd7 Kf6?? 37.Re4 Re6 38.Re6= Ke6 39.Rh7 Rb4 40.Ra7 Rb1 41.Kg2 b4 42.Ra6 Kd5? 43.Rg6 Kc4 44.Rb6 b3 45.h4+- b2 46.h5 Kc3 47.g4 Rd1 48.g5 b1Q 49.Rb1 Rb1 50.Kg3?? Rg1 51.Kf3 Rf1 52.Kg4 Kd4 53.h6 Ke4= 54.h7 Rf4?? 55.Kh5 Rf1= 56.Kh6 Rh1 57.Kg7 Kf5 58.g6 Kg5 59.Kf7 Rh6 0–1. golfx – pygmey, kurnik, 2012.

4.Nc3 d5

5.e3 0-0 6.Nf3 Nbd7 7.d3 c5 8.Na4 b6 9.c4 Bb7 10.Be2 Re8 (10...dc4 11.dc4 Qc7 12.Qb3=) 11.0-0 dc4 12.dc4 Qc7 13.Qc2 (13.Nc3 Rac8=) 13...Ng4 (13...Be4 14.Qc3=) 14.g3 Bb2 (14...Ngf6 15.Nc3=) 15.Qb2 Nde5 16.Ne5 Ne5 17.f3 (17.bc5 Nd7 (worse is 17...bc5 18.Nc5 Bf3 19.Na6+=) 18.f3 Nc5 19.Nc5 Qc5=) 17...Rad8 (17...cb4 18.ab4 Nc4+=) 18.Rad1 (better is 18.bc5!? bc5 19.Rab1=) 18...Rd1-/+ 19.Bd1 (19.Rd1 Nf3 20.Bf3 Bf3-/+) 19...Nc4 20.Qc1 cb4 21.ab4 Rc8 22.Be2 Ne5 23.Qc7 Rc7 24.e4 (24.h3 Rc2 25.Rf2 Ra2-+) 24...Rc2 25.Rf2 (25.Bd1 Rd2 26.Nc3 Nc6-+) 25...Nc6 (25...Bc6 26.b5 Bd7 27.f4-+) 26.b5 Nd4 27.Bd3 Rc1 28.Kg2 e5 (28...Ra1 29.Nb2-/+) 29.Ra2-/+ Rd1 30.Bc4 Kg7 31.Ra3? (better is 31.Kf2!?-/+) 31...Rd2-+ 32.Kh3 h5 33.g4 Bc8 (better is 33...hg4!? 34.fg4 Be4 35.Bf1-+) 34.Kg3 h4! 35.Kh4 Rh2 (better is 35...Rg2!? 36.Kh3 Rg1 37.Nb6 ab6-+) 36.Kg3-/+ Rd2 (36...Rc2 37.Nc3-/+) 37.Nc3+= Be6 38.Nd5 Rc2-/+ 39.Bd3 Rb2 40.Ra7 Bd5 41.ed5 Nb5 42.Bb5 Rb5-/+ 43.d6 Rd5 44.d7 Kf8 45.Rb7 g5 46.d8Q Rd8 47.Rb6 Rd2 48.Rf6 Ke7 49.Ra6 Rd6 50.Ra7 Ke6 51.Ra5 f5 52.gf5 Kf5 53.Rb5 Rd3 54.Rb4 Rd4 55.Rb5 g4 56.fg4 Rg4-+ 57.Kf3 Ra4 58.Rb3-/+ Rf4 59.Kg3 Ke4 60.Rb4 Ke3 61.Rb3 Kd2 62.Rb2 Kc3 63.Rb1?? Rf7 64.Rb8 Kd4 65.Rd8 Ke3 66.Re8 Rg7 67.Kh4 e4 68.Ra8 Kf3 69.Ra3 e3 70.Ra8 Rf7 0–1. Vojta,Ladislav – Vojacek,Z (1895), Tabor CZE, Open, 2012. (=1.a3 Nf6 2.Nc3 g6 3.b4 Bg7 4.Bb2)

5.e3 0-0 6.Nf3 Re8 7.Be2 e5 8.0-0 d4 (8...Nbd7 9.d3=) 9.ed4 ed4 (9...e4!? 10.Ne5 Qd4=) 10.Nb5+- Ne4 11.Nbd4 (worse 11.Nfd4 c6-/+) 11...Bg4 12.Rb1 (12.d3 Ng5 13.Rb1 Re2 14.Qe2 Bd4 15.Bd4 Nc6+-) 12...a5 (12...Bd4 13.Nd4 Be2 A) worse 14.Ne2 A1) worse 14...Qd2 15.Nc3 Qd1 16.Rbd1 (worse 16.Nd1 Nd2-/+) 16...Nc3 17.Bc3+=; A2) 14...Nd2 15.Nd4 Nb1-/+; B) 14.Qe2+=) 13.Nb3 (13.d3 ab4 14.ab4 Nd6+-) 13...ab4 14.ab4 Bb2 15.Rb2 Bf3 (15...Nc6 16.b5 Qf6 17.Rb1+= (worse 17.bc6 Qb2 18.cb7 Rab8=+)) 16.Bf3+- Nc6 17.Be4 Re4 18.Nc5 (better 18.c3!? Ne5 19.Nc5+-) 18...Rb4= 19.Rb4 Nb4 20.Qf3 Qd5 21.Qd5 Nd5 22.Nb7 Ra2 23.Rc1 Nb4 24.Nc5 (24.Kf1 Rc2 25.Rc2 Nc2=) 24...Rc2 25.Rc2 Nc2 26.Na6 c6 27.Nb8 Nd4 28.f3 Kf8 29.Kf2 Ke7 30.Ke3 c5 31.Na6 Kd6 32.Kd3 Kd5 33.Nc7 Kc6 34.Ne8 Ne6 35.Nf6 (35.Ke4 h5=) 35...Kd6 (35...Nf4 36.Kc4=+) 36.Nh7= Ke5 (36...Nf4 37.Kc4 Ng2 38.Nf6=) 37.g4 (37.g3 Nd4 38.f4 Kd5 39.Nf6 Ke6+-) 37...Nf4 (37...g5 38.Ke3 f6 39.d3=) 38.Ke3 (38.Kc4 Ne6 39.h4 Nd4+=) 38...Nd5 39.Kf2 Nf6?? (better 39...Nf4=) 40.Ng5 (40.f4 Ke6 41.Nf6 Kf6+-) 40...Kd6 (40...Nd5!? 41.Nf7 Kf6+-) 41.Nf7 Kd5 (41...Ke7 42.Ne5 g5 43.f4 gf4 44.Kf3+-) 42.Ng5 (42.h4 Nh7+-) 42...Nd7 43.Ne4 c4 0–1. TwelveTeen (2505) – Kaskaskia (2550), lichess.org, time forfeit, 2017. (=1.a3 g6 2.b4 Bg7 3.Nc3 Nf6 4.Bb2 d5)

4.c4 0-0

5.Qb3 a5 6.Nf3 b6 7.e3 Bb7 8.Be2 d6 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.Nc3 e5 10.d3 Nbd7 11.0-0 Ne8 12.Rac1 Kh8 13.Rfd1 f5 14.Nd2 Nef6 15.Bf3 (15.b5 Qe7+=) 15...Qc8 16.Bb7 Qb7 17.Nd5 c6 18.Nf6 Nf6 19.c5 (19.b5 c5+=) 19...ab4 (19...bc5 20.Nc4 Rfd8-+ (20...cb4?! 21.Nd6 Qc7 22.Qe6=)) 20.cd6= (20.ab4 bc5 21.bc5 Qb3 22.Nb3 Rfb8 23.cd6 Rb3 24.Be5 Nd7 25.Bg7 Kg7 26.Rc6 Rd3-+) 20...ba3 21.Be5 Rfd8 (21...b5!?=) 22.Ra1+= Nd5 23.Bg7 Qg7 24.Ra3 Ra3 25.Qa3 Qc3 26.Qc3 (26.Nb3 Qb4 27.Qb2 Qc3+=) 26...Nc3= 27.Ra1 Rd6 28.d4 b5 (28...c5 29.Ra8 Kg7 30.Nc4=) 29.Ra6 Kg7 30.Kf1 Kf6 31.f3 (31.Nf3 Ke7=) 31...Ke6 32.Nb3 Kd5 33.Na5 The backward pawn on c6 becomes a target 33...f4 34.ef4 Kd4 35.Kf2 (35.Rc6!? Rc6 36.Nc6 Ke3 37.Ke1=+) 35...Kd5-/+ 36.Ke3 Na4 (36...b4 37.Ra7 c5 38.Kd3-/+) 37.g4 (37.Ra7 Re6 38.Kd2 h5-/+) 37...Nc5 38.Ra7 (38.Ra8 Nd7-/+) 38...Nd7 (38...Rd7 39.Ra8-/+) 39.Nb7 (better 39.Rc7 Nf8 40.f5=+) 39...b4?? (better 39...Re6 40.Kf2 Rf6-/+) 40.Nd6+/- Kd6 41.Rb7 c5 42.Kd3 Kc6 43.Ra7 Nb6 44.Ra6 (better 44.f5 c4 45.Kc2 gf5 46.gf5+-) 44...Kb5= Black prepares the advance c4 45.Kc2?? (45.Ra1 c4 46.Kd4 c3=) 45...c4 (better 45...Ka6 46.f5 gf5 47.gf5 Nd5-+) 46.Ra1 (46.Ra7!? Nd5 47.f5 gf5 48.g5+=) 46…Na4 (46...Na4 47.Ra4! Kc5+-). allyouneedisluft (2405) - tsiruk (2435), Rated Blitz game, lichess.org, 2017. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4)

5.Qb3 c6 6.Nf3 (6.d4 d5=) 6...d5 7.d3 (7.e3 dc4 8.Bc4 b5=) 7...a5+= 8.Nbd2 a4 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.Qc2= b5 (9...dc4 10.Nc4 Nbd7 11.e3=) 10.cb5 (10.e4 bc4 11.Rd1 cd3 12.Bd3 Be6=) 10...cb5 11.Rc1 Na6 12.e4 Bb7 (12...Bd7 13.Qd1=) 13.e5 (13.Qd1 Rc8=) 13...Rc8 14.Qb1 (14.Bc3 Nh5 15.d4 Nc7=) 14...Nh5 15.Rc8 (15.d4 Rc1 16.Bc1 Nc7=) 15...Bc8 16.g3 Bh6 (16...f6 17.Bg2=) 17.Bg2 g5 (17...f6 18.Qc2=) 18.h3 (18.Qc1 f6+=) 18...Qb6 (18...Ng7 19.Qc2 Ne6 20.Nd4 Nd4 21.Bd4+=) 19.Bd4 (19.Qd1 Rd8+=) 19...Qg6 Black plans g4 20.Nh2 (better is 20.Bc5+=) 20...g4? (better is 20...Nc7=) 21.hg4+- Bd2 22.Kd2 Bg4 (22...Ng7 23.Bd5 Bg4 24.Ng4 Qg4 25.Be3+-) 23.Ng4 (23.Bd5?! Rd8 24.Be4 Bf5+/-) 23...Qg4 24.Rh4 Qg5 25.Be3 Qg6 (25...Qe5?? 26.Rg4 Qg7 27.Rg7 Ng7 28.Qc1+-) 26.Bd5 Ng7 (26...e6 27.Be4 f5 28.ef6 Qf7+-) 27.Be4 (better is 27.Rh6 Qg4 28.d4 Nf5+-) 27...f5 (27...Nf5 28.Rf4 e6+-) 28.ef6! Qf6 (28...ef6 29.Bg6 Combination; 28...Rf6 29.Bg6 Combination; 28...Qf6 29.Rh6 Double attack (29.Bh7 Pinning; 29.Bh7 Deflection; 29.Rh6 Decoy)) 29.Bh7 Kh8 (29...Kf7 30.Rf4 Nh5 31.Rf6 Nf6 32.d4+-) 30.Bg6 Kg8 (30...Qh4 31.gh4 Nc7+-) 31.Rh8! (31.Rh8 Kh8 32.Qh1 Qh4 33.Qh4 Nh5 34.Qh5 Kg7 35.Qh6 Kf6 36.Be4 Ke5 37.f4 Rf4 38.gf4) 1–0. Habibi,Ali (2270) – Jagstaidt,Patrick (2055), Ch Switzerland, 2007. (=1.a3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

5.Qb3 d6 6.d4+=.

5.Qc2 a5 6.Nf3 ab4 7.ab4 Ra1 8.Ba1 d5 9.cd5 Qd5 10.Nc3 (10.Qc7? Qa2 11.Nc3 Qa1 12.Nd1 Nc6-+) 10...Qd6 11.h4 (11.b5!?=+) 11...Qb4-/+ 12.e3 Bf5 13.Bd3 Bd3 14.Qd3 Nc6 15.0-0 Rd8 16.Qc2 Qc4 17.Rb1 Qd3?? (better 17...b6-/+) 18.Qd3+= Rd3 19.Rb7 Rd7 20.Nb5 Nd5 21.Bg7 Kg7 22.d4 Na5 23.Ra7 Nc6 24.Rb7 Na5 25.Rb8 c6 (25...Nc4 26.Ra8+=) 26.Na3 (better 26.Ne5!? Rb7 27.Rb7 Nb7 28.Nc6+/-) 26...Rb7= 27.Rb7 Nb7 28.e4 Nb4 29.Ne5 c5 30.d5 (30.dc5 Nc5 31.f3 f6=) 30...Nd6 (30...f5 31.Nb5 fe4 32.Nc7-/+) 31.Nac4 (better 31.f3=) 31...Ne4-/+ 32.Nc6 (better 32.Nb6!?-/+) 32...Nd5-+ 33.f3 Nd6 (33...Ng3 34.Kf2 Nf5 35.N6e5-+) 34.N4e5? (34.Ne7 Ne7 35.Nd6 f5-+) 34...Kf6?? (better 34...f6 35.Nd7 c4-+) 35.Nd7-/+ Ke6 36.Nc5 Kf5 37.Kf2 h5 38.Nd4 Ke5 39.Nc6 Kf6 40.Nd4 Nf5 41.Nc6 (41.Nd7 Kg7 42.Nf5 gf5-/+) 41...e6 (better 41...Nh4!? 42.Ne4 Kg7-+) 42.Ne4 Kg7 43.Ne5 (43.g3 Nde3-/+) 43...Nf6 (43...f6!? 44.Nc6-+) 44.g3 Ne4 45.fe4 Nd6 46.Kf3 Kf6 (46...f5 47.ef5 gf5 48.Kf4-+) 47.Nd3 (47.Kf4 Ke7-/+) 47...Ke7 48.e5 Nc4 49.Ke4 Nb6 (49...f6 50.ef6 Kf6 51.Nf2-/+) 50.Nf4 Nd5 (better 50...Nd7-/+) 51.Nd5= ed5 52.Kd5 Kd7 53.Kd4 Ke6 54.Ke4 Ke7 55.Kf4 Kd7 56.Ke4 Ke6 57.Kf4?? (better 57.Kd4=) 57...Kd5-+ 58.g4 hg4 59.e6 (59.Kg4 Ke5 60.Kg5-+) 59...Ke6 (worse 59...fe6 60.Kg4 e5 61.Kg3-+) 60.Kg4 Ke5 (better 60...f6 61.Kf4 Kf7-+) 61.Kg5= f5 62.Kg6 f4 63.h5 f3 64.h6 f2 65.h7 f1Q 66.h8Q Ke4 67.Qd8 Kf3 68.Qf6 Kg2 69.Qf1 Kf1 ½-½. is_er_nog_hoop (2585) - Gahan_MG (2520), Checkmate Coronavirus Bullet Arena, lichess.org, 2020.

5.Qc2 b6 6.g3 Bb7 7.Nf3 d6 8.Bg2 Nbd7 9.0-0 e5 10.Nc3 Re8 11.d3 Nf8 12.e4 Ne6 13.Rac1 Nd7 14.Nd5 Nd4 15.Nd4 ed4 16.Rb1 c5 17.f4 Nf6 18.Nf6 Bf6 19.Qf2 Re6 (19...Qc7 20.Bc1=) 20.Bh3 Re7 21.e5 1–0. Macedo,A Soares De (1880) – Da Silva Miguel,L Ramonn, Aberto do Brasil Xadrez Potiguar, 2015.

5.Qc2 d6 6.d3 c5 7.Bc3 Nc6 8.b5 Ne5 9.f3 Qc7 10.a4 b6 (10...d5 11.e3-/+) 11.Nd2 Bb7 12.e4 e6 13.h3 d5 14.ed5 (14.cd5!? ed5 15.a5=+) 14...ed5-/+ 15.f4 (15.Ne2 d4 16.Bb2 a6-/+) 15...Ned7-+ Black fights for the Initiative 16.Ne2 d4 17.Bb2 Nh5 18.Qc1 (better 18.f5-+) 18...Rfe8 19.Kd1 Re3 20.Qc2 (20.Kc2 Nf4 21.Nf4 Qf4-+) 20...Rae8 21.Ne4 (21.Qb3-+) 21...Be4 (worse 21...Nf4 22.Nf4 Qf4 23.Bc1-+) 22.de4 R8e4 (better 22...d3 23.Qd2 de2 24.Be2 R3e4-+) 23.Bc1 (23.Ra3-+) 23...d3 24.Qa2 de2 25.Be2 Re2 (25...Re2 26.Qe2 Re2 27.Ke2 Ng3 28.Kd1 Qd6 29.Kc2 Qd4-+) 0–1. Delboy Smith (1845) – Salvatore (1785), ChessWorld.net, 2013.

5.Nc3 Nc6 6.d3 d5 7.cd5 Nd5 8.Rc1 Nc3 9.Bc3 Nd4 (9...e5!?=) 10.e3+= Nf5 11.Bg7 Ng7 12.Nf3 c6 13.Be2 a5 14.0-0 ab4 15.ab4 Qb6 16.Qd2 Bg4 (16...Ra4 17.Rb1=) 17.h3 (17.Ra1!?+=) 17...Bf3= 18.Bf3 e6 (18...Ra4 19.Rb1=) 19.Qc3 (19.Ra1 e5+=) 19...Rfd8 (19...Ra4 20.Rb1=) 20.Qc5 (20.Ra1!?+=) 20...Qc5= 21.bc5 (21.Rc5 Rd3 22.b5 Ra2=) 21...Rd3=+ 22.Rb1 Rd7 23.Rfd1 Rad8 (better 23...Rd1!? 24.Rd1 f5=+) 24.Rd7+= Rd7 25.g3 (better 25.Bc6!? Rc7 26.Bf3 Rc5 27.Rb7+=) 25...Nf5 26.Kg2 Ne7 27.Be4 h5 28.h4 Kf8 29.Kf3 Nd5 30.Bd5 cd5 31.Kf4 Rc7 32.Ke5 (32.Rb5 f6-/+) 32...Ke7 (32...Rc5!? 33.Rb7 Rc2-+) 33.Kd4=+ Kf6 34.f4? (better 34.Rb6=+) 34...Kf5-+ 35.Rb6 Kg4 36.Ke5 Rc5 (36...Kg3 37.Kd6 Rc8 38.Rb7 Kh4 39.Rf7+/-) 37.Rb7 Kg3 (37...Rc3!? 38.Kd4 Rc4 39.Kd3 Kg3 40.Rf7-+) 38.Rf7 Kh4 39.Ke6 Rc3 40.Kd5 (40.Kf6 Re3 41.Kg6 Kg4-/+) 40...Re3 41.Rh7 (41.Rf6 Kg3-+) 41...Kg4 42.Rg7 Kf4 43.Rg6 h4 44.Rh6 Kg3 45.Kd4 Re8 46.Rg6 Kh2 47.Kd3 h3 48.Kd2 Kh1 49.Kd1 h2 50.Kd2 Re6 (better 50...Re5-+) 51.Re6= Kg2 52.Re1 h1Q 53.Rh1 Kh1 ½-½. black_bishop_88 (2545) - h1ppopotamus (2605), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4)

5.Nc3 d5 6.cd5 Nd5 7.Rc1 c6 8.Qc2 Nb6 9.h4 (9.Ne4 e5=) 9...Bf5 (9...Nc4 10.h5=+) 10.d3 h5 11.Nf3 a5 12.ba5 Ra5 13.g3 (13.Ne4 Bb2 14.Qb2=+) 13...Nd5 (13...Nc4 14.Bg2-/+) 14.Bh3 (14.Nd5 Bb2 (14...Qd5? 15.Bg7 Kg7 16.e4+-) 15.Qb2 cd5+=) 14...Nc3 (14...Bc3!? 15.Bc3 Bh3 16.Rh3 Ra3-/+) 15.Bc3= Rc5 (15...Ra3? 16.Bg7 Bh3 17.Bf8+-) 16.Qd2 Rc3 17.Rc3 Bc3 18.Qc3 Bh3 19.Rh3 Na6 20.Ng5 Qd7 21.Rh2 Nc7 22.Rg2 Nd5 23.Qb2 f6 24.Nf3 Qg4 (24...e5 25.e4 Qg4 26.Ne5 fe5 27.ed5=+) 25.Kf1 (25.Qb7 Qa4 26.Qb2 Ra8+=) 25...e5 (25...b6 26.Ne1=) 26.Kg1 (26.Qb7 Qa4+=) 26...e4 (26...b5 27.Qc2 Rc8 28.Kh2=+) 27.de4 (27.Nh2!? Qe6 28.de4 Qe4 29.Qb7 Qe2 30.Qc6=+) 27...Qe4= 28.Nh2 (28.Qb7 Qe2 29.Qb1 f5=) 28...Qe6 (28...b5 29.Nf3=+) 29.g4 (29.Qb7 Qe2 30.Qc6 Rd8=+) 29...hg4 (better 29...Nf4!? 30.gh5 Ng2 31.Kg2 gh5 32.Qb7 Re8-+) 30.Rg4=+ Kh7 (30...f5 31.Rg3=+) 31.Rg3 (31.Qb7!? Rf7 32.Qb2+/-) 31...Nf4= 32.e3 Nh5 33.Rg2 (worse 33.Qb7 Rf7 34.Qb6 Ng3 35.fg3 Rd7-+) 33...Rd8 (better 33...Rb8=) 34.Nf3?? (34.Qb7 Ng7 35.Nf3 Rd1 36.Kh2 Qd5+=) 34...Qh3?? (34...Rd1 35.Kh2 Qd6 36.Kh3 Rh1 37.Rh2 Qd7 38.Kg2-/+) 35.Qe2 (35.Qb1 Kh8 36.Nh2=) 35...c5=+ 36.Nd2 b5 37.Ne4 c4 38.Rh2 (38.Nc3!? Qf5 39.Qg4 Qg4 40.Rg4=) 38...Qf5-/+ 39.Ng3?? (better 39.Nc3-/+) 39...Ng3-+ 40.fg3 Rd3 (better 40...Qb1 41.Kg2 c3-+) 41.g4 White prepares the advance h5 (41.h5-+) 41...Qe5 42.h5 (42.Rh3 Ra3 43.Kg2 Qe4 44.Kf2 Qb1-+) 42...g5 (42...Re3 43.hg6 Kg7 44.Qd2 Re1 45.Kf2 Qh2 46.Ke1 Qg1 47.Ke2 Qg4 48.Kf1 Qf5 49.Ke1 Qe4 50.Kd1 Qf3 51.Kc1 Qa3 52.Kd1 Qb3 53.Kc1-+) 43.Qf2? (better 43.Rh3-+) 43...Re3 44.Qf5 Qf5 45.gf5 Ra3 46.Rd2 Rg3 47.Kf2 Rg4 (47...Rd3 48.Rb2 Rd5 49.Kf3-+) 48.Rd7 (48.Ke3 Rf4-+) 48...Kh6 49.Kf3 (49.Rb7 Rf4 50.Kg3 Rf5-+) 49...Rf4 50.Kg3 Rf5 0-1. black_bishop_88 (2545) - BoJet (2655), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4)

5.Nc3 d6 6.d4 c5 7.e3 (7.dc5 dc5 8.Nf3 Nc6=) 7...Bd7 (7...Nc6 8.b5 cd4 9.ed4=+) 8.Nf3 Nc6 (8...Qb6 9.dc5 dc5 10.Na4 Ba4 11.Qa4=) 9.b5 (9.bc5 dc5 10.d5 Na5=) 9...Nb8 (9...cd4 10.ed4 Na5 11.Bd3=) 10.Bd3 cd4 11.ed4 Nh5 (11...Re8 12.0-0+=) 12.0-0 Bg4 (12...a6 13.Qa4+=) 13.Be4 (13.h3 Bf3 14.Qf3 Bd4+=) 13...Qd7 (13...Qc8 14.h3 Be6 15.Nd2+=) 14.h3+/- Bh3? (better is 14...Bf5+/-) 15.gh3+- Qh3? (15...Nf4+-) 16.Bb7 Qg4 17.Kh1 Nf4 18.Nh2 Qh4 19.Ba8 Nh3 20.Qe2 Bd4 21.Nd5 Bb2 22.Ne7 Kg7 23.Qb2 f6 24.Bd5 Nd7 25.Rae1 Ne5 26.Re4 Nf4 27.Qd4 Nf3 28.Nf5! gf5 29.Re7 Rf7 30.Rf7 Kg6 31.Qf4 Qf4 32.Nf3 Qh6 33.Kg2 Qf4 34.Ra7 Qg4 35.Kh1 Qh3 36.Nh2 Qh6 37.Rg1 Kh5 38.Bf7 Kh4 39.Nf3 Kh3 40.Rg3# 1–0. tired rook – DanielMartin, ChessWorld.net, 2004. b>5.Nc3 d6 6.Nf3 a5=.

5.Nc3 d6 6.g3 Nc6 7.Bg2=.

5.Nc3 d6 6.g3 Nbd7 7.Bg2 e5 8.Nf3 c6 9.0-0 Qe7 10.d3 Ne8 11.e3 f5 12.Re1 (12.Qe2 Nef6=) 12...Nef6 13.Qc2 b6 14.Rad1 Bb7 15.e4 f4 (15...fe4 16.de4 Ne8 17.Bc1=) 16.d4 (16.gf4!? ef4 17.d4+=) 16...fg3 17.hg3 Ng4 18.d5 c5 19.Re2 Rf6 (19...cb4 20.ab4 Ndf6 21.Ra1=) 20.Nh2 (20.Bh3 Nh6 21.Be6 Kh8+=) 20...Nh2= 21.Kh2 Raf8 22.Kg1 R6f7 (22...Bc8 23.Bc1 h6 24.Be3=) 23.Bc1 (23.Bh3 cb4 24.ab4 Rc8+=) 23...a6 24.Be3 Bf6? (24...Bc8 25.Bh3 Nb8 26.Bc8 Rc8 27.bc5 bc5 28.Rb1+=) 25.Qb3 (25.Bh3!?+/-) 25...Bg5 26.Bg5 Qg5 27.bc5 dc5 (27...Nc5 28.Qb6 Qf6 29.Bh3=) 28.Na4 (28.Bh3 Rf2 29.Be6 (worse 29.Rf2 Qg3 30.Rg2 Qh3-/+) 29...R2f7 30.Nb1+/-) 28...Qf6? (28...Qh5!? 29.Red2 Rb8=) 29.Rb1 (29.Bh3!? Qd6 30.Be6 Kg7 31.Bf7 Rf7+-) 29...b5 30.cb5 (30.Nc3 Bc8+/-) 30...ab5+= 31.Nc3 (worse 31.Qb5 Ba6 32.Qb2 Bd3=+) 31...Ba6 32.Nb5 Rb8 33.a4 Nb6 34.Qc2 (34.Bh3 c4 35.Qa3 Rff8+-) 34...Qd8 (34...Rfb7!?+=) 35.Bh3 (better 35.Rd2+/-) 35...Qe8?? (better 35...Rfb7 36.Qc3 Na4 37.Qe5 Rf7+/-) 36.Be6 (36.Qc5 Na4 37.Qd6 Rb5=+) 36...Bb5 37.ab5 Kg7 (37...Qe7 38.Rf1 Kf8 39.Bf7 Kf7 40.f4+-) 38.Bf7 Qf7 39.Qc5 Nd7 40.Qd6 Rc8 (40...Rb7 41.b6 Qf8 42.Qf8 Kf8 43.Reb2+-) 41.Qe6 (better 41.Ra2 Rd8 42.b6+-) 41...Nc5 (41...Qe6 42.de6 Nb6+-) 42.Qf7 (better 42.Qc8 Nb7+-) 42...Kf7 43.b6 (better 43.Rc2 Ke7+-) 43...Nb7 44.Ra2 Ke7 (44...Kf6 45.f4 g5 46.f5+-) 45.Ra7 Rb8 46.Rc1 Kd6 (46...Kf6 47.f4 ef4 48.gf4+-) 47.Rc7 (better 47.Rc6 Kd7+-) 47...Nc5 (47...Nd8+-) 48.Rc6 1-0. black_bishop_88 (2680) - Never_2020 (1905), Pirates Private Cup, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4)

5.Nc3 d6 6.g3 e5 7.Bg2 c6 8.Nf3 a5 9.0-0 Nbd7 10.d3 Re8 11.Nd2 Nb6 12.c5 dc5 13.bc5 Nbd7 14.Nce4 Ne4 15.Ne4 Qe7 16.Qc2 Rd8 17.Rfc1 f5 18.Qb3 (18.Nd6 Qe6+=) 18...Qf7 (better 18...Kf8!? 19.Nd6 Nc5 20.Rc5 Rd6=+) 19.Qf7+= Kf7 20.Nd6 Ke6 21.Rab1 Bf8 22.Nc8 Rdc8 23.d4 e4 24.Bc3 Rcb8 25.e3 (25.Bd2 Bg7 26.e3 Nf6+=) 25...b5 26.cb6 (26.f3 Nf6=) 26...Ba3=+ (worse 26...Nb6 27.Ba5 Ra5 28.Rc6 Bd6 29.Rcb6 Rb6 30.Rb6 Ra3 31.Bf1+=) 27.Rc2 Rb6 28.Ra1 (28.Rb6 Nb6 29.Ba5 Nd5=) 28...Bd6 (better 28...Rb3 29.Be1 a4-/+) 29.Bf1? The isolani on a5 becomes a target (better 29.Ra5 Ra5 30.Ba5 Rb1 31.Bf1=+) 29...a4-+ 30.Rca2 a3 31.Bc4 Ke7 32.h4 (32.Kf1 Nf6-+) 32...Nf6 33.Kg2 Nd5 34.Bd5 (34.Bd2 Ra4 35.Be2 h6-+) 34...cd5 35.h5 Rc8 (35...Rb3 36.Bd2-+) 36.Ba5 (36.Ra3 Ba3 37.Ra3 Ke6-+) 36...Rb2 37.hg6 hg6 38.Bb6 (38.Ra3 Rcc2 39.Be1 Ba3 40.Ra3-+) 38...Rcc2 (better 38...Rb6 39.Ra3 Ba3 40.Ra3-+) 39.Rb2 ab2 40.Rb1 Ba3 41.Bc5 Bc5 42.dc5 Kd7 43.g4 Kc6 44.Kg3 Kc5 45.gf5 gf5 46.Kf4 (46.f3 Kc4 47.Kf4 Kc3-+) 46...Rf2 47.Ke5 (47.Kg3 Re2 48.Kf4-+) 47...Kc4 48.Rd1 Kc3 0-1. black_bishop_88 (2645) - Ol_Bilych (2465), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4)

5.Nc3 e5 6.e3 (6.e4 a5=) 6...Re8 (6...d6 7.Nf3=+) 7.Be2 a5 8.Nf3 (8.b5 d6=) 8...d5 9.d4 ed4 10.Nd4 dc4 11.Bc4 Bg4 (11...ab4 12.ab4 Ra1 13.Ba1 Ng4=) 12.f3 (12.Qb3 Qe7=) 12...Bd7 (12...Re3!? 13.Nce2 Bd7-/+) 13.e4= Nc6 (13...ab4 14.ab4 Ra1 15.Ba1=) 14.0-0 (14.Nc6 Bc6 15.Qd8 Rad8 A) < 16.ba5 Ne4 17.Bf7 Kf7 18.fe4 Kg8-+ (18...Be4 19.0-0 Bf5 20.g4+=); B) 16.Be2+=) 14...Nd4-/+ (14...ab4?! 15.Nc6 Bc6 16.ab4 Ra1 17.Ba1+=) 15.Qd4 Ne4 16.Qd3? (16.Qg7! Kg7 17.Ne4 Kh6 18.Bc1 Kh5 19.g4 Kh4 20.Bg5 Qg5 21.Ng5 Kg5 22.Bf7=+) 16...Nc3 17.Bc3-/+ Bc3 18.Qc3 Be6 19.Rfd1 Qe7 20.Be6= fe6 21.Rdc1 ab4=+ 22.Qc7 Ra3 23.Qe7 Re7 24.Ra3 ba3 25.Ra1 Kf7 26.Ra3 Ke8 27.Kf2 b5 28.Ke3 Kd7 29.Kd4= Kc6 30.Ra6 Kb7 31.Rd6 Kc7 32.Kc5 e5 33.Rc6 Kd7 34.Kb5 e4 35.fe4 Re4 36.Rc2 Rd4 37.Kc5 Rd1 38.Kc4 Ke6 39.Kc3 Kf6 40.Rd2 Rh1 41.g3 Kg5 42.Rf2 Kg4 43.Rf4 Kh5 44.Rh4+= Kg5 45.Rh7 Kg4 46.Rh4 Kf5 47.Kd3 g5 48.Rh6 Kg4 49.Ke2 Ra1 50.Ke3 Ra3 51.Ke4 Ra2 52.Rh8 Re2 53.Kd3 Re7 54.h4 Rg7 55.hg5 Kg3 56.Rh1 Kg2 57.Rh5 Kg3 58.Ke4 Kg4 59.Rh1 Re7 60.Kd5 Kg5 61.Rg1 Kf4 62.Rf1 Kg3 63.Rf8 ½–½. mgriffin (1605) – kerger, net–chess.com, 2001.

5.d3 c6 6.Nd2+= a5 7.b5 (7.Ngf3 d5+=) 7...a4 (7...d5 8.Ngf3-/+) 8.bc6 Nc6 9.Rb1 d5 10.Ngf3 d4 (10...Re8!?-/+) 11.g3+= Nd7 12.h4 h6 13.Bg2 Nc5 14.Kf1 (14.0-0 Qd6+=) 14...e5 15.Ne1 (15.h5 g5-/+) 15...f5 (15...Bg4 16.Bf3 Bf3 17.ef3-/+) 16.Bd5 Kh7 (16...Be6 17.Be6 Ne6 18.Nc2-/+) 17.Ndf3 (17.h5!? g5 18.Nc2+=) 17...Be6-/+ 18.Be6 Ne6 19.Ng2 Nc5 20.Bc1 (20.Nd2 Qe7-/+) 20...e4 (20...Qd6 21.Rh3-/+) 21.Nfe1 Qd6 22.Bf4 (22.Nf4 Ne5-/+) 22...Qe7 23.Rb5 Ra5 (23...Kg8 24.Bc1-/+) 24.Ra5 Na5 25.Nc2 Nc6 26.Bc1 Qd6 (26...Ne5 27.Nb4-/+) 27.Nf4+= Be5 28.Nd5 (28.Kg2 Re8+=) 28...Ne6 (28...b5 29.Kg2-+) 29.Ne1 (29.Qd2 e3 30.fe3 de3 31.Nce3-/+) 29...Nc5 (29...b5 30.h5 g5 31.cb5 Qd5 32.bc6 Qc6 33.Kg1-+) 30.Ng2 (30.Nc2 b5-/+) 30...e3 (30...b5!?-/+) 31.fe3 Bg3 32.ed4 Nd4 33.Bb2 Nc6 34.Qd2 (better is 34.h5 g5 35.Nge3-/+) 34...Be5 (better is 34...Nb3 35.Qc3 Be5-+) 35.Be5= Qe5 (35...Ne5 36.Ngf4=) 36.Qc3 (36.Ngf4 Qd4=) 36...Qc3 37.Nc3 Nd4 (37...f4 38.Ne1=) 38.Nf4+= Nc2 39.Nb5 Ne3 40.Kf2 Ng4 41.Ke1 Rc8 (41...Nb3 42.Rf1=) 42.Kd2+= Kg7 43.Nd5 (43.Kc3 Re8+=) 43...Nf6 44.Nf6 Kf6 45.Nc3 Nb3 46.Kc2 Nd4 47.Kb2 f4 48.Nd5 Ke5 49.e3 fe3 50.Ne3 Kf4 (50...b5 51.Kc3 Ne2 52.Kd2=) 51.Nd5+= Kg3 52.Rg1 Kh4 53.Rg6 h5 54.Kc3 Rc6 55.Rg7 Ne6 56.Rb7 Kg3 57.Nf6 h4 58.Ne4 Kg2 59.Rb2 Kg1 (59...Kf3 60.Rf2 Kg4 61.Rf6+=) 60.d4+/- Nf4 61.Ng5 Kf1 (61...Rg6!? 62.Nf3 Kf1 63.Nh4 Rg3 64.Kc2 Ra3+/-) 62.Rh2+- Nd5 1–0. Reddmann,Hauke (2200) – Andersen,Jens Knud (2200), Hamburg–ch, 1985. (=1.c4 Nf6 2.a3 g6 3.b4 Bg7 4.Bb2 0-0)

5.d4 d5 6.cd5 Nd5 7.e4 Nf6 8.Nc3 a5 9.b5 Nbd7 10.Nf3 Nb6 11.h3 e6 12.Be2 Re8 13.0-0 Bd7 14.a4 c6 15.Qb3 Rb8 16.Rac1 Bf8 17.Rfd1 Nh5 18.Bf1 Qf6 19.Ne5 Nf4 20.g3 Nh5 21.Ne2 Bb4? (better 21...Qd8+/-) 22.d5+- (22.Nd7?! Nd7 23.d5 e5 24.dc6 Nc5+/-) 22...Qe7 23.dc6 bc6 24.Nc6 (better 24.bc6!? Bc8+-) 24...Bc6 25.Rc6 Red8 26.Rd8 Qd8 27.Bc3 (27.Be5 Rc8+-) 27...Qd3? (better 27...Bc3 28.Nc3 Qd4+/-) 28.Nc1+- Qe4 29.Bb4?? (better 29.Bg2 Qf5 30.g4+-) 29...ab4+/- 30.a5 (30.Nd3 Qd4 31.Nb4 Ra8+-) 30...Nd5 31.a6 Qd4 32.Ne2 (32.Qc4 Qa7+/-) 32...Qa7 33.Nc1 Ng7 (33...Qd4 34.Qc4 Qa7 35.Nd3+-) 34.Na2 (better 34.Bc4!? Ne7 35.Rd6+/-) 34...Nf5= 35.Nb4 Nb4?? (35...Nd4 36.Qc4 A) 36...Nc6?? 37.Nc6 (37.Nd5?! ed5 38.Qc6 d4=) 37...Qb6 38.Nb8 Qb8 39.Qc5+-; B) 36...Nf3 37.Kg2 Ne1 38.Kg1 Nf3 39.Kg2 Ne1 40.Kg1 Nf3=) 36.Qb4+- Ng3 (36...Qd7 37.Qc5 h6+-) 37.b6 Qd7 38.a7 Re8 39.Rc7 Qd1 40.fg3 Qf3 41.Qf4 Qf4 42.gf4 Kg7 43.b7 h5 44.b8Q Rb8 (44...Rc8 45.Qb2 Kh6 46.Rc8 e5 47.Rh8 Kg7 48.Qe5 f6 49.Qe7 Kh8 50.a8Q) 45.ab8Q (45.ab8Q e5 46.Qb3 ef4 47.Qf7 Kh6 48.Qf4 g5 49.Qd6) 1-0. black_bishop_88 (2675) - Mechi02 (2255), Hourly SuperBlitz Arena, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4)

5.d4 d6 6.Nf3 a5 7.e3 ab4 8.ab4 Ra1 9.Ba1 c5 10.Bb2 cb4 11.Nbd2 Na6 12.Be2 Bf5 13.0-0 Ne4 14.Ne4 Be4 15.Nd2 Bf5 16.f3 Bd7 17.e4 (17.Qb3 Qc7=) 17...Qb8 (17...Qb6 18.Qa1=+) 18.Qc2 b5 19.c5 (19.Qb3!?=+) 19...dc5-/+ 20.dc5 Bb2 21.Qb2 Nc5 22.Qb4 Ne6 (better 22...Rc8-/+) 23.f4? (better 23.Qe7!? Qa7 24.Rf2=+) 23...Qb6 (23...Nf4 24.Rf2 Qd6 25.Qb2-+) 24.Kh1 Qc5 (24...Qd4 25.Qd4 Nd4 26.Bd3-+) 25.Qb2 Qd4 26.Qc2 (26.Qa2 Nf4! 27.Bb5 Bb5 28.Rf4 Qe3-+) 26...Qd6 (26...Qe3 27.Qd3 Qd3 28.Bd3-+) 27.f5 (27.Qb2!?-/+) 27...Nd4-+ 28.Qd3 Ne2 (28...gf5!? 29.Rd1 e5-+) 29.Qe2-/+ b4 30.Nc4 (better 30.Rd1!?-/+) 30...Qc5 31.f6 Bb5 32.Rc1 ef6 33.Qd3 (33.Qc2 Rc8 34.Ne3 Qc2 (34...Qe3?! 35.Qc8 Kg7 36.Qc5 Qc5 37.Rc5=+) 35.Rc2 Rc2 36.Nc2 b3-+) 33...Rc8 34.h3 Bc4 35.Qe3 (35.Qd2 b3-+) 35...b3 (better 35...Qe3 36.Rd1 Be2 37.Rd8 Rd8 38.Kh2 Qf4 39.g3 Qf2 40.Kh1 Bf3) 36.Qc5 (36.Qd2-+) 36...Rc5 37.Rb1 Rb5 38.Kh2 (38.Rb2 Ra5 39.Rb1 Ra2-+) 38...b2 39.Rd1 b1Q 40.Rd8 (40.Rb1 Rb1 41.g4-+) 40...Kg7 41.e5 fe5 42.Kg3 (42.Ra8 Qc1 43.Ra1 Qf4 44.Kg1 Rb2 45.Kh1 Qg3 46.Rg1 e4 47.Re1 Qg2) 42...Qd3! 43.Kh2 (43.Rd3 Bd3 Combination) 43...Qf5 (43...Qd8 44.g4 Qd2 45.Kg3 Rb3 46.Kh4 Qh6) 44.Rd7 (44.h4 Qf4 45.g3 Rb2 46.Rd2 Rd2 47.Kh3 Bf1) 44...Qf4 45.g3 Rb2 46.Kg1 (46.Rd2 Rd2 47.Kg1 Qf1) 46…Qf1 0-1. CronusCR (2315) - Ghostqiuyu (2505), Rated Bullet game, lichess.org, 2017.

5.d4 d6 6.Nf3 c6 7.e3 Bg4 8.Be2 Nbd7 9.Nbd2 Rb8 10.Rc1 Qc7 11.h3 Bf3 12.Bf3 Rfe8 13.0-0 e5 14.de5 Ne5 15.Qc2 Nfd7 16.Rfd1 Nf3 17.Nf3 Ne5 18.Ne5 Be5 19.Rd3 Rbd8 20.Rcd1 Kf8 (20...Bb2 21.Qb2 Re4 22.Rd4+=) 21.f4 (21.Qd2!?+/-) 21...Bb2+= 22.Qb2 h5 (22...Kg8 23.Qd4+=) 23.Qh8 Ke7 24.Qh6 b6 25.e4 Rg8 (25...a6 26.f5 Rg8 27.Qg5 f6 28.Qh6+-) 26.f5 Rh8 27.Qf4 Rhg8 28.c5! Qb8?! (28...bc5 29.bc5 Combination; 28...dc5 29.Qc7 Double attack (29.Qc7 Pinning; 29.Qc7 Deflection; 29.Qc7 Decoy)) 29.cd6 Kd7 30.fg6 fg6 31.Qf7 Kc8 32.Qe6 (better is 32.b5 Rgf8 33.Qe7+-) 32...Kb7 33.b5! cb5 34.Rc1 (34.Qd5 Ka6+-) 34...Rg7?! (34...Ka6 35.a4! ba4 36.Rd4+-) 35.e5 (35.Qd5!? Ka6+-) 35...Ka6 36.Rc7 (36.Rc7 Rc7 37.dc7 Qc7 38.Rd6=) 1–0. Matozan,Zvonko – Kaksa,Antonio, Kup VSZ, 2013. (=1.a3 Nf6 2.b4 g6 3.c4 Bg7 4.Bb2 0-0)

5.e3 a5 6.b5 b6 7.Nf3 Bb7 8.Be2 c6 9.d4 cb5 10.cb5 d5 11.Nbd2 Ne4 12.Ne4 de4 13.Nd2 f5 14.Rc1 Nd7 15.0-0 e5 16.de5 Ne5 17.Qb3 Bd5 18.Bc4 Nc4 19.Nc4 Bb2 20.Qb2 Bc4 21.Rc4 Qf6 22.Qf6 Rf6 23.Rfc1 Rd6 24.Rc6 Rad8 25.g3 Kf7 26.a4 Ke6 27.Kg2 Rc6 28.Rc6 Rd6 29.Rc4 Kd5 30.Rc7 h5 31.h3 Ke5 32.Rc4 Kd5 33.Rd4?? Kc5-+ 34.Rd6 Kd6 35.Kf1 Kc5 36.Ke1 Kb4 37.Kd2 Ka4 38.Kc3 Kb5 39.Kb3 a4 40.Ka3 Ka5 41.g4 hg4 42.hg4 b5 43.gf5 gf5 (43...gf5 44.Kb2 b4-+) 0–1. Fournier,Frederic (1815) – KY (1700), Active, 2008.

5.e3 a5 6.b5 d6 7.Nf3 e5 8.d4 ed4 9.Nd4 Re8 10.Nc3 (10.Be2 Ne4=) 10...Nbd7 (10...Ng4 11.Qd2=) 11.Be2 Nc5 12.0-0 Bd7 13.Na4 (13.Bf3 Nfe4=) 13...Qe7 14.Nc5 dc5 15.Nb3 (15.Nf3 Bf5=) 15...b6 16.Bf3 Rad8 17.Qe2 h5 (17...a4 18.Nc1=) 18.Rfd1 Ne4 (18...a4 19.Nd2=) 19.Bg7 Kg7 20.Rd3 Ng5 21.Bd5 (21.Bb7 a4 22.Nd2 Bf5+=) 21...Bf5= 22.Qb2 (22.Rc3 Qf6 23.Rac1 Ne4=) 22...Qf6 23.Qf6 (23.Rc3 Be4 24.f4 Nh7=+ (24...Bd5? 25.fg5 Qg5 26.cd5+-)) 23...Kf6=+ 24.Rd2 (24.Rc3 Ne4 25.Be4 Re4=+) 24...Ne4 (better 24...a4 25.Nc1 Ne4-/+) 25.Be4= Be4 26.Rad1 Ke7 (26...a4 27.Nc5 Rd2 28.Ne4 Re4 29.Rd2 Rc4 30.Kf1-/+) 27.f3 Bc2 28.Rd8 Rd8 29.Rd8 Kd8 30.Nd2 c6 31.bc6 Kc7 32.Kf2 (32.e4 Kc6 33.Kf2 b5-/+) 32...Kc6 33.e4 b5 34.cb5 (34.Ke3 b4 35.a4 Ba4-+) 34...Kb5-+ 35.Ke3 Ka4 36.f4 Ka3 37.Nc4 Kb4 38.Ne5 (38.Nd6-+) 38...a4 39.Kd2 Be4 40.Nf7 a3 41.Kc1 (41.Nd6 a2 42.Ne4 a1Q-+) 41...Kb3 42.Ne5 0-1. Evgen_88 (2575) - ajedrez2021 (2605), Rated Bullet game, lichess.org, 2020.

5.e3 a5 6.d4 d5 7.b5 dc4 8.Bc4 Nbd7 9.Nf3 Nb6 10.Ba2 a4 11.0-0 Ne4 12.Nbd2 (12.Nc3!? Bf5 13.Rc1+=) 12...Nd6=+ 13.Bc3 (13.Qc2 Nb5 14.Nc4 Nc4 15.Bc4 Nd6=+) 13...Bd7 14.Bb4 Bb5 15.Re1 Ndc4 16.Nc4 Bc4 17.Bc4 Nc4 18.Rc1 b5 19.Qc2 Re8 20.Qe4 (20.Red1 Qd7=+) 20...e6 21.Qc6 Qd5 (21...Rb8 22.Nd2 Rb6 23.Qf3 Nd2 24.Bd2=+) 22.Qd5? (better 22.Qc7!? Rac8 23.Qg3=) 22…ed5-/+ 0-1. maxneo (2400) - zsolti_83 (2365), Rated Bullet game, lichess.org, 2018.

5.e3 c5 6.b5 d5 7.d3 dc4 8.dc4 Qd1 9.Kd1 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 b6 13.Nf3 Bb7 14.Be2 Ne4 15.Bg7 Kg7 16.Nbd2?? (better is 16.Rf1=+) 16...Nf2-+ 17.Ke1 Nh1 18.Kf1 h5 19.Kg1 Rd8 20.Kh1 Bf3 21.Nf3 Nd7 22.Kg1 Ne5?? 23.Kf2?? Ng4-+ 24.Ke1 Ne3 25.g3 0–1. Fournier,Frederic – HelterSkelter, rated blitz game (3/0), 2002.

5.e3 c6 6.Nf3 d5 7.cd5 cd5 8.d4 Nc6 9.Bd3 Bg4 10.Nbd2 Rc8 11.Rc1 a6 12.0-0 h6 13.h3 Bd7 14.Qe2 Kh7 15.Rc3 e5? (better is 15...Qb6!?+=) 16.de5 Ne4 (16...Ne8!?+-) 17.Ne4 de4 18.Be4 Ne5? 19.Rc8 Nf3 20.Bf3 Qc8 21.Bg7 Kg7 22.Rd1 Bb5 23.Qd2 Qe6 24.Bd5 Qb6 25.Qd4 Qd4 26.Rd4 Bc6 27.Bc6+- bc6 28.Rc4 Rc8 29.Rc5 Kf6 30.Ra5 Ra8 31.Rc5 Rc8 32.f3 Ke6 33.e4 Kd6 34.Kf2 f6 35.Ke3 Rd8 36.Ra5 Ra8 37.Kd4 Kc7 38.Rc5 Rd8 39.Ke3 Kb6?? 40.a4 Rd1 41.a5 Kb7 42.Rc4 Rb1 43.Kf4 Rb2 44.g4 Rh2 45.Kg3 Rh1 46.Kg2 Rb1 47.Rd4 Kc7 48.Kg3 Rb3 49.h4 1–0. Fournier,Frederic – Hotstepper (1670), Partie évaluée, 3m + 0s, 2007.

5.e3 c6 6.Nf3 d6 7.Be2 Qc7 8.d4 e6 9.0-0 d5 10.cd5 Nd5 11.Nc3 Nd7 12.Rc1 Qd6 13.Nd5 ed5 14.Qc2 Nb6 15.Rfe1 Bf5 16.Bd3 Bd3 17.Qd3 Nc4 18.Qc2 Nb2 19.Qb2 Rfe8 20.Qc3 Rac8 21.Qc5 Qb8 22.Rc2 Bf8 23.Qc3 Bg7 24.Rec1 a6 25.Qb3 Rc7 26.a4 Rec8 27.b5 ab5 28.ab5 cb5 29.Rc7 Rc7 30.Rc7 Qc7 31.g3 Qc4 32.Qb1 b4 33.Kg2 b3 34.Nd2 Qc2 35.Qb3 Qd2 36.Qb7 Qa2 37.Qc8 Bf8 38.Qd7 Qc4 39.Qd8 Qc6 40.h3 Qe6 41.g4 Qe4 42.Kg1 Kg7 43.Kh2 Qe7?? 44.Qe7? Be7-+ 45.Kg3 f6 46.f4 Kf7 47.h4 Bd6 48.g5 fg5 49.hg5 Kg7 50.Kf3 h6 51.e4 hg5 52.fg5 de4 53.Ke4 0–1. Fournier,Frederic – susurro (1650), Active, 2006.

5.e3 d5 6.d4 b6 7.Bd3 (7.Nc3 Bg4 8.Nf3 c6=) 7...dc4 (7...a5 8.b5=) 8.Bc4 Bb7 (8...c6 9.Nc3=) 9.Nf3 c5 10.0-0 cb4 (10...cd4 11.Nd4 Qd6 12.Nc3=) 11.ab4+= Nc6 (11...a6 12.b5+=) 12.Bc3 (12.b5 Na5 13.Bd3 a6+=) 12...Qc7 (12...a6 13.Qb3=) 13.Bb3 (13.Qb3 a5+=) 13...Rfc8 (13...Ne4 14.Qd3=) 14.Qd3 (14.b5 Nb8+=) 14...e6 15.Rc1 Ne7 16.Bd2?? Qd7?? 17.Ne5 Qd6 18.Rc8+= Bc8 19.Na3 Nfd5 20.Nb5+/- Qd8 21.Rc1 Be5 22.de5+/- Ba6 23.e4 Bb5 24.Qb5+/- Nc7 25.Qe2 Rc8 26.Bg5 Kf8?? 27.Rd1 Qe8 28.Bh6 Kg8 29.Qf3 Nf5 30.ef5 ef5 31.g4 Qe5 32.gf5 Qf5 33.Qc3 Ne6 34.Qc8 (34...Nf8 35.Qf8) 1–0. TheSmoker – manuela, caissa.com, 2006.

5.e3 Ne8 6.Qc2 c5 (6...d6!?=) 7.bc5+= Bb2 (7...Qa5 8.Nf3+=) 8.Qb2+/- d6 9.h4 (better 9.cd6!? Nd6 10.d4+/-) 9...dc5+= 10.h5 Nc6 11.hg6 fg6 (11...hg6?? 12.Qh8) 12.Nf3 e5 (12...Nd6 13.Be2+=) 13.Nc3 (13.Ne5 Qf6 14.Nd3 Qf7+/-) 13...Be6 (13...Nf6 14.d3+=) 14.Nd5 (14.Ne4 Bc8+/-) 14...Bd5 15.cd5 Qd5 16.Rc1 (better 16.Qb7!? Nf6 17.Bb5+-) 16...Nd6= 17.Ng5 h5 18.Qc2 Rf5?? (better 18...e4 19.Qc5 Rf5 20.Qd5 Rd5=) 19.e4+- Nd4 20.ed5?? (better 20.Qb1 Ne4 21.Ne4+- (21.Qe4?! Qe4 22.Ne4 b6+/-)) 20...Nc2=+ 21.Rc2 Rg5 22.Rc5 Rc8 23.Rc8 Nc8 24.Bc4 (better 24.Rh3=+) 24...Rg4?? (24...Nd6 25.Bf1-/+) 25.d3 (better 25.d6 Rc4 26.d7+-) 25...Nd6-/+ (25...Rg2?? 26.d6 Kg7 27.d7+-) 26.Bb3 (26.g3 b5 27.Bb3 a5=+) 26...Rd4 (better 26...Rg2!? 27.Bd1 Rg5-+) 27.Ke2 e4 (27...a5!?=+) 28.de4 Re4 29.Kf3 Kg7 30.Rc1 Re7 31.a4 Kf6 32.a5 a6 33.Rb1 g5 34.Ba2 (34.g3 Re4 35.Rh1 g4 36.Kg2 Kg5=+) 34...Nf5 (34...Re4!?-/+) 35.g4 Nd4 36.Kg3 h4 37.Kh3 (37.Kg2=+) 37...Ke5 (better 37...Re2 38.Rb4 Rd2-/+ (38...Ra2?! 39.Rd4 Ra3 40.Kg2+=)) 38.Re1= Kd6 39.Rb1?? (better 39.Re7 Ke7 40.f4 gf4 41.Kh4 Nf3 42.Kh5=+) 39...Ne2 (better 39...Re2 40.Bc4 Rf2-+) 40.Rb6 Kc5 41.d6 Nf4 (41...Rd7 42.Bb3-+) 42.Kh2 Rd7 43.Rb2 Nd3 44.Rc2 Kd4 45.Bb1 Rd6 (better 45...Nf4-+) 46.Rd2= Kc3 47.Rd1? (better 47.Rc2 Kb4 48.Rd2=) 47...Rd4-+ 48.f4? (better 48.Bd3 Rd3 49.Rb1-+) 48...Nf4 49.Rc1 (49.Rd4 Kd4 50.Bf5 Nd3-+) 49...Kb2 50.Rf1 (50.Rc7 Kb1 51.Rb7 Kc2-+) 50...Rd2 51.Kg1 (51.Kh1 Ne2 52.Bf5 Ng3 53.Kg1 Nf1 54.Kf1 Ka3-+) 51...Kc3 (better 51...Ne2!? 52.Kg2 Ng3 53.Rf2 Rf2 54.Kf2 Kb1 55.Kg2-+) 52.Rf3 (52.Re1 Nh3 53.Kh1 Nf2 54.Kg1 h3 (worse 54...Ng4 55.Bf5-+) 55.Rc1 Kb3-+) 52...Kd4 (52...Kb4 53.Be4 Ne2 54.Kh1 Ng3 55.Rg3 hg3 56.Bb7 Ka5 57.Bc8-+) 53.Rf1 (53.Rb3 Ke5-+) 53...Ne2 54.Kf2 (54.Kg2 Ng3 55.Rf2-+) 54...Ng3 55.Ke1 Nf1 56.Kf1 Rd1 57.Ke2 Rb1 58.Kf2 Rb2 59.Kf1 Rb3 (59...Ke3 60.Kg1 h3 61.Kh1 Kf4 62.Kg1 Kg3 63.Kf1 h2 64.Ke1 h1Q) 60.Kg1 (60.Kg1 Rg3 61.Kf2 Kd3 62.Kf1 Ke3 63.Ke1 Rg1; 60.Ke1 Ke3 61.Kf1 h3 62.Kg1 h2 63.Kg2 Rb2 64.Kh1 Rb1 65.Kh2 Kf2 66.Kh3 Rh1). is_er_nog_hoop (2635) - AstanehChess (2700), Elite Prize Team Battle, lichess.org, 2020.

5.Nf3 c6 6.d3 d5 7.Nbd2 Nbd7 8.e3 Re8 9.cd5 cd5 10.d4 Nb6 11.a4 Bf5 12.Ne5 Rc8 13.Bb5 Rf8 14.a5 Bc2 15.Qe2 Nbd7 16.0-0 Ne5 17.de5 Ne4 18.Nf3 Nc3 19.Bc3 Rc3 20.Rac1 Qc7 21.Qd2 Rc8 22.Qd5 Rd8 23.Qa2 Bb3 24.Qb2 Rc1 25.Rc1 Qc1 26.Qc1 Rd1 27.Qd1 Bd1 28.e6 Bf3 29.ef7 ½–½. Antoms,G (2375) – Starcevs,Dmitrijs (2120), Riga LAT, Men Ch, 2013. (=1.c4 Nf6 2.a3 g6 3.b4 Bg7 4.Bb2 0-0)

5.Nf3 d6 6.e3 Nbd7 7.Be2 e5 8.0-0 Qe7 (8...e4 9.Ne1=) 9.Nc3 c6 (9...e4 10.Nd4=) 10.Qb3 Nh5 11.d4 f5 (11...Nhf6 12.de5 Ne5 13.Rad1+=) 12.d5 (12.c5 Kh8+/-) 12...c5 13.bc5 (better 13.Nb5!?+/-) 13...Nc5= 14.Qc2 Bd7 15.a4 a6 (15...Nf6 16.Rfb1=) 16.Ba3 Rac8 17.Bc5 Rc5 18.Nd2 Rfc8 (18...Nf6 19.Rfb1 Bc8 20.Nb3=) 19.Bh5 gh5 20.Qd1 (20.Rfb1 R8c7+=) 20...Qg5 (20...e4 21.Ra3=) 21.Rb1+= e4 (21...R8c7!?+=) 22.Rb7 R5c7 23.Rc7 Rc7 24.Ne2 (24.Qb3 Bc8+/-) 24...Be5 (24...Rb7 25.Nf4+/-) 25.Qb1 Qg4 (25...Qe7 26.f3+-) 26.Re1 (26.f3 ef3 27.Rf3 Qh4+-) 26...Be8 (26...Qh4!? 27.h3 Qd8+/-) 27.Qb8+- Kf8?? (better 27...Re7+-) 28.Qc7 1-0. carlos78 (2270) - armagnac (2070), Rated Blitz game, lichess.org, 2015.

5.g3 a5 6.Bg2 d6 7.Nf3 e5 8.d3 Re8 9.0-0 e4 10.de4 Ne4 11.Bg7 Kg7 12.Qc2 (12.b5 Nd7=) 12...Qf6 (12...ab4 13.Nd4 Qe7 14.e3-/+) 13.Nbd2 (better 13.Ra2!?=) 13...Nd2-/+ 14.Qd2 ab4 15.Qb4 Re2 16.Rfe1?? (16.Qb3 Nd7-+) 16...Nc6 (better 16...Rb2 17.Qb5 Rb5 18.cb5 Bd7-+) 17.Qb3 Re1 18.Re1 b6 19.h4 h6 20.h5 g5 (20...Bb7 21.Qe3-/+) 21.Nd2 Nd4 22.Qd3 Bf5 23.Ne4 Qe5?? (better 23...Re8-/+) 24.f4+/- gf4 (24...Qc5!? 25.Nc5 Bd3 26.Nd3 Ra3+=) 25.gf4+- Be4? (25...Ra3 26.Qa3 (26.fe5 Rd3 27.ed6 cd6-/+) 26...Qf4 27.Ng3+-) 26.Re4 (better 26.Qg3 Kh8 27.fe5+-) 26...Qc5 27.Qd4 Qd4 28.Rd4 Ra3 29.Re4 Kf8 30.Kh2 Rc3 31.Bf1 Rc1 32.Be2 Rc2 33.Kg3 c6 (33...Rd2 34.Bf3+-) 34.Kg4 (34.Bf3 Rd2+-) 34...Rd2 (34...Rb2!?+/-) 35.Bf3+- d5 36.cd5 Rd5 37.Re5 (37.Rc4!? Rc5 38.Rc5 bc5+-) 37...Rd6 38.Kf5 Kg7 39.Re7 c5 (39...Kf8 40.Rb7 b5 41.Rb6+-) 40.Rc7 (better 40.Ke5!? Rd3 41.Be4 Rh3+-) 40...Rf6 41.Kg4 Rd6 42.Be4 Kf6 43.Bc2 Rd4? (43...Kg7+-) 44.Bb3 c4 (44...Kg7 45.Rf7 Kh8 46.Be6+-) 45.Rc4 (better 45.Bc4!? Kg7+-) 45...Rd3 (45...Rc4 46.Bc4 b5 47.Bb5+-) 46.Bc2 (46.Rc6 Kg7 47.Rb6 Rd7+-) 46...Rd2 47.Rc6 Kg7 48.Bb3 Rg2 49.Kf3 Rh2 50.Rb6 Rh5 51.Rb7 (better 51.Ke4 Rh1 52.Rb7 Kg6+-) 51...Rh3 (51...Rf5+-) 52.Kg4 Rc3 (52...Re3 53.Rf7 Kh8 54.Rb7+-) 53.Rf7 Kg6 (53...Kh8 54.Be6 Rc5 55.f5+-) 54.Rb7 (54.f5) 54...h5+- 55.Kh4 Kf5 (55...Rc5 56.Ba2+-) 56.Rf7 Ke4 57.Be6 Rc6 58.f5 Kf3 (58...Rc1 59.Kh5 Ke5 60.Kh6+-) 59.Kh5 (better 59.Bd5 Kf4 60.Bc6 Ke5+-) 59...Rd6 (59...Ke4 60.Re7 Ke5 61.Kg6+-) 60.Kg6 (better 60.Re7 Rd8+-) 60...Kf4 (60...Rd2 61.f6 Kf4 62.Re7 Rg2 63.Kh7 Rh2 64.Kg8 Rg2 65.Kf8+-) 61.Kf6 (better 61.Re7 Rd2 62.f6 Rg2 63.Kh7 Rh2 64.Kg8 Rg2 65.Kf8 Rg6+-) 61...Ra6 62.Rg7 Ra7 (62...Rc6+-) 63.Rh7 (63.Ra7 Ke3 64.Ke5 Ke2 65.f6 Kf2 66.f7 Kf3 67.f8Q Ke2 68.Ra2 Ke1 69.Qf2 Kd1 70.Qd2) 63...Ra5?? (better 63...Rh7 64.Kg6 Re7=) 64.Rh4 Ke3 (64...Kg3 65.Rd4 Kf3 66.Ke7+-) 65.Rh5 (better 65.Ke7 Ra7 66.Bd7 Ra2+-) 65...Ra8 (65...Kf4 66.Rh8+-) 66.Rh6 Rf8 (66...Kf4+-) 67.Kg5 Ra8 68.Rg6 Kd4 69.Kf6 (69.f6 Ra5 70.Kh6 Ra7+-) 69...Kc5 (69...Ke4 70.Rg4 Kf3 71.Rd4+-) 70.Rg4 (70.Ke7!? Ra7 71.Bd7 Ra2+-) 70...Ra3 (70...Kd6 71.Rd4 Kc5 72.Rd5 Kb6 73.Ke7+-) 71.Rg5 (better 71.Ke7!? Ra7 72.Bd7 Ra1+-) 71...Ra5 (71...Kc6 72.Rg7+-) 72.Bf7 (better 72.Ke7!? Kd4+-) 72...Kb6 73.Kg7 Kc7 (73...Ra7+-) 74.Rg6 (better 74.Bg6+-) 74...Ra6?? (better 74...Rf5 75.Be6 Rf1+/-) 75.f6 (75.Ra6 Kc8 76.f6 Kd8 77.Rc6 Kd7 78.Bd5 Kd8 79.Be6 Ke8 80.Rc8) 75...Ra7 76.Kg8 Kd8 77.Rg7 (better 77.Bc4+-) 77...Kd7 (77...Ra6 78.Be6! Re6 79.f7 Rf6 80.f8Q Rf8 81.Kf8 Kc8 82.Ke8 Kb8 83.Kd8 Ka8 84.Kc7 Ka7 85.Rg6 Ka8 86.Ra6) 78.Bg6 (78.Ba2 Kc6 79.Ra7 Kc5 80.f7 Kd4 81.f8Q Ke3 82.Qc5 Kf3 83.Bd5 Ke2 84.Ra2 Kd3 85.Qc4 Ke3 86.Qe4) 78...Kd6 (78...Ke6 79.Ra7 Kf6 80.Be4+-) 79.f7 (79.Ra7 Ke5 80.f7 Kd6 81.f8Q Ke6 82.Qf4 Kd5 83.Rc7 Ke6 84.Bf7) 79...Ra8 80.f8Q Ke5 (80...Rf8 81.Kf8 Ke5 82.Re7 Kf6 83.Bc2+-) 81.Rf7 (81.Qa8 Kd4 82.Rd7 Ke3 83.Qe4 Kf2 84.Rd2 Kg3 85.Qe3 Kg4 86.Rd4) 81...Kd4 (81...Rf8 82.Kf8 Ke6+-) 82.Qe8! Kc5?? (82...Re8 83.Kg7 Combination) 83.Re7 (83.Qa8 Kb4 84.Rc7 Kb5 85.Qb8 Ka4 86.Ra7) 83...Rd8 (83...Re8 84.Re8 Kd4+-) 84.Qd8 Kb5 85.Rd7 (85.Qd5 Ka4 86.Rb7 Ka3 87.Qb3) 85...Kb4 86.Rc7 Ka3 (86...Ka4 87.Rb7 Ka3 88.Qa5) 87.Qb8 Ka2 (87...Ka4 88.Ra7) 88.Ra7 1-0. M_Onee (2570) - Banelevich (2590), Rated blitz game, lichess.org, 2022. (=1.c4 A00: Irregular Openings 1...Nf6 2.a3 g6 3.b4 Bg7 4.Bb2)

5.g3 c6 6.Bg2 d5 7.Qc2 (7.cd5 cd5 8.Nf3 a5=) 7...dc4=+ 8.Qc4 Be6 9.Qh4 a5 10.Nf3 Bd5 (10...h6 11.h3=+) 11.Nc3= ab4 12.Nd5 (12.Qb4 Nbd7 13.0-0= (13.Qb7? Rb8 14.Qa7 Rb2-+; 13.Nd5?! Nd5 14.Qb3 Nc5=)) 12...Nd5-/+ 13.Bg7 Kg7 14.Qd4 Kg8 (better 14...f6 15.e4 e5-/+) 15.ab4? (15.e4!? e5 16.Qb2 ba3 17.Qb7=+) 15...Nb4 (15...Ne3! 16.de3 Qd4 17.ed4 Ra1 18.Kd2 Ra2 19.Ke3-+) 16.0-0-/+ Qd4 17.Nd4 Ra1 18.Ra1 Rd8 19.Nb3 N8a6 20.d3 (better 20.d4-/+) 20...Nc2 (20...e5 21.Na5 Rd7 22.Kf1-/+) 21.Rb1 (better 21.Ra2!? Nab4 22.Ra7=) 21...Rd7 22.Na5 Nd4 (22...Nab4!?-/+) 23.e3=+ Ne2 (better 23...Nb5!?=+) 24.Kf1+= Nc3 25.Rc1 (25.Rb7!? Rd3 26.Bc6+=) 25...Rd3 (25...Nb5 26.d4=+) 26.Nb7= Nb4 27.Nc5 (27.Na5 e5 28.Nc6 Nc6 29.Bc6 e4=) 27...Rd1=+ 28.Rd1 Nd1 29.Na4 (better 29.Ke2 Nc3 30.Kd2 Nb1 31.Kc1=) 29...Na2 (better 29...Nd3!?-/+) 30.Bc6+= Ndc3 31.Nb6 (31.Nc3 Nc3 32.Ke1 e5+=) 31...Nb4= 32.Bg2 Nb5 33.f4 Kg7 34.Ke2 Nd6 35.g4 h5 36.g5 f6 37.gf6 Kf6 (37...ef6 38.e4+=) 38.Kd2 Nf5 39.e4 Nh4 40.Nd7 Ke6 (40...Kg7 41.Bh1+=) 41.Bh3+/- Kf7 (41...Kd6 42.Ne5 Nc6 43.Nf7 Kc7 44.Ke3+-) 42.Ne5 Kg7 (42...Kf6 43.Bf1 g5 44.Kc3 Na2 45.Kb2 gf4 46.Nd3+/-) 43.Kc3 (better 43.Bf1!? Kf6 44.Bb5+-) 43...Na6+/- 44.Kc4 Nc7 45.Kc5 (45.Kd4 Nb5 46.Ke3 Nd6+/-) 45...Ne8 (45...Kf6 46.Kc6 Ne6 47.Nd3+=) 46.Bf1 Nf6 47.Kd4 Ng4 48.Ng4 hg4 49.Ke3 (49.Be2 Ng2+/-) 49...g5 (49...e6 50.Kf2 g5 51.Kg3+=) 50.fg5+/- Nf3 (50...e5 51.Be2=) 51.h3 Ng5 52.hg4 e5 53.Bc4 Kf6 54.Bd5 Nh7 55.Kd3 (better 55.Kf3!?+/-) 55...Kg5= 56.Kc4 Nf6 57.Kc5 Ng4 58.Kc4 Kf4 59.Kd3 Nf2 Attacking the isolated pawn on e4 60.Ke2 (better 60.Kd2!?=) 60...Ne4-/+ 61.Kd3 Nf2 62.Ke2 Ng4 63.Bc6 Nf6 64.Kd3 e4 (better 64...Nh5!?-/+) 65.Be4= ½-½. Jones,G (2675) - Turner,Ma (2505), Checkmate Covid Rematch, 2021. (=1.a3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2)

5.g3 d5 6.cd5 Qd5 7.Nf3 Nc6 (7...Qh5 8.Nc3+=) 8.Bg2 (8.Nc3 Qe6=) 8...Qh5 9.h3 Be6 (9...Rd8 10.g4 Qd5 11.Qc2=) 10.d3 (10.Nc3 Nd5=) 10...a5 11.g4 Qb5 (11...Qd5 12.g5 Nh5 13.Bg7 Kg7 14.Nc3=) 12.Nc3 Qb6 13.Na4 (13.b5 Rad8+=) 13...Qb5= 14.Nc3 Qb6 15.Na4 (15.b5 Rad8+=) 15...Qb5 16.Nc5 (16.Nc3 Qb6=) 16...Bc8 (16...ab4 17.Ne6 fe6 18.a4+=) 17.0-0 (17.Nd4 Nd4 18.Bd4 ab4+=) 17...ab4+= 18.ab4 Ra1 19.Qa1 Nb4 20.Rc1 b6 (20...c6 21.g5 Nh5 22.Bg7 Ng7 23.Qe5=) 21.Ne4 c5 22.Nf6 Bf6 23.Bf6 ef6 24.Qf6 Qc6 (24...Nd5 25.Qd6 Qb2 26.Re1=) 25.Qb2 (25.Qc6 Nc6 26.e3 Bb7+=) 25...Bb7= 26.d4 (26.Ne1 Qd7 27.Bb7 Qb7 28.Nc2=) 26...Re8 (26...Qf6 27.Ne5 Bg2 28.Kg2=) 27.dc5 (better is 27.Ne1!? Qc8 28.Bb7 Qb7 29.dc5 bc5 30.Nd3+/-) 27...bc5= 28.Ne1 (better is 28.Qd2 Qb5 29.g5=) 28...Qb6 (better is 28...Qb5!? 29.Bf1 Qb6=) 29.Bb7+/- Qb7 30.Rc5 Qe4 31.Ng2 (31.e3 h6+/-) 31...Nc6 (31...Na6 32.Ra5 Nb8 33.Ne3+/-) 32.Ne3 (32.Qb7 Re6+/-) 32...Rb8 (32...Nd4 33.Rc4 Rd8 34.Qa2+=) 33.Rb5+/- Ra8 (33...Rb5!? 34.Qb5 Nd4+/-) 34.Nd5+- Qc4 35.Nf6 Kh8 36.g5 Qd4 37.Qd4 (37.e3 Qb2 38.Rb2 Kg7+-) 37...Nd4+/- 38.Re5 Kg7 (38...h6 39.gh6 Nf5 40.e4 Ra1 41.Kg2 Nh6 42.Rb5+/-) 39.Ne8 (39.Kg2!?+/-) 39...Kf8 40.Nf6 Kg7 41.Ne8 (41.Kg2!?+/-) 41...Kf8 42.Nc7 (42.Nd6 Ra6 43.Re8 Kg7+/-) 42...Rc8 (42...Ra7!? 43.Re8 Kg7+=) 43.Nb5+/- Ne6 44.e3 (44.Kg2 Rd8+/-) 44...Rc4 (44...h6 45.gh6 Ke7 46.Re4+/-) 45.Nd6 (45.f4 Ke7+/-) 45...Rb4 (45...Rc5 46.Rc5 Nc5 47.Kf1+/-) 46.Ne4 (46.f4 Rb1 47.Kf2 Rd1+/-) 46...Kg7 47.Nc5 (47.Kg2 h6+/-) 47...Nc5 48.Rc5 h6 49.gh6 Kh6 50.Kg2 f5 51.Kg3 Ra4 (51...Rb1 52.Rc8+/-) 52.Re5 (52.f3 Kg7+/-) 52...Kg5 (52...Ra1 53.f3+/-) 53.Rd5 Rb4 (53...Ra1 54.h4 Kh6 55.Kg2+/-) 54.Rd4 (54.f3 Kf6+/-) 54...Rb1 55.Rd5 Rb4 56.f3 Rb1 57.h4 Kf6 58.Rd6 Ke5 (58...Kg7 59.e4 fe4 60.fe4 Rg1 61.Kf4+/-) 59.Ra6 Re1 (59...Rd1 60.Ra5 Kf6 61.Kf4+/-) 60.Kf2 (60.e4 f4 61.Kg2 Kd4+/-) 60...Rh1 61.Rg6 Rh4 62.Ra6 Rh2 (62...Kd5 63.e4! fe4 64.Ra5 Ke6 65.Kg3+/-) 63.Kg3 Rh5 (better is 63...Rh1!?+/-) 64.e4!+- Rg5 (64...fe4 65.Ra5 Double attack) 65.Kh4 Rg1 66.Ra5 Kf6 (66...Ke6 67.Rf5 (67.ef5?! Kf6+-) 67...Re1 68.Rd5+-) 67.Rf5 Kg6 (67...Ke6 68.Ra5+-) 68.Ra5 (68.f4 Re1 69.Rg5 Kf7+-) 68...Kf6 (68...Re1 69.Ra6 Kf7 70.Kg4+-) 69.f4 Re1 (69...Rh1 70.Kg3+-) 70.Ra6 Kf7 71.e5 Rg1 (71...Rc1 72.f5 Rh1 73.Kg5 Rg1 74.Kf4 Rf1 75.Ke4 Re1 76.Kd5 Rd1 77.Kc6+-) 72.Kh5 (72.f5 Rh1 73.Kg5 Rg1 74.Kf4 Rf1 75.Ke4 Re1 76.Kd5 Rd1 77.Kc6 Kf8+-) 72...Rg2 (72...Rd1 73.f5 Rh1 74.Kg5 Rg1 75.Kf4 Rf1 76.Ke4 Re1 77.Kd5 Rd1 78.Kc6+-) 73.Rf6 (73.f5 Rh2 74.Kg5 Rg2 75.Kf4 Rf2 76.Ke4 Re2 77.Kd5 Rd2 78.Kc6 Re2 79.Ra7 Kf8+-) 73...Kg7 (73...Ke7 74.f5+-) 74.Rf5 (74.Rb6 Rh2 75.Kg4 Kf7+-) 74...Rh2 (74...Re2 75.Rg5 Kf7 76.Kg4+-) 75.Kg4 Kg6 (75...Re2 76.Rf6+-) 76.Rf6 Kg7 77.Kf5 Rh5 (77...Rb2 78.Rg6 Kf8 79.e6+-) 78.Ke4 (78.Ke6 Rh2+-) 78...Rh8 79.Ra6 Kf7 (79...Rh4 80.Ra7 Kg6 81.e6+-) 80.f5 (80.f5 Kg7 81.Ra7 Kh6 82.e6+-) 1–0. Prakash,Ram (2310) – Khosla,Shiven (2085), Mayors Cup Open, 2008. (=1.a3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0)

5.g3 d6 6.Bg2 Nbd7 7.e3 e5 8.Ne2 c6 9.0-0 Re8 10.Nbc3 Qc7 11.d4 a6 12.d5 c5 13.b5 a5 14.Na4 b6 (14...e4!?=) 15.e4+= Nh5 16.Bf3 Ndf6 17.Kg2 Bg4 18.h3 Bf3 19.Kf3 Qd7? (19...Nd7 20.Kg2+=) 20.Rh1 (20.g4!? Ne4 21.Ke4 Nf6 22.Kf3 Rab8+-) 20...Ne4 (better 20...Qd8+=) 21.Ke4?? (better 21.g4 Rab8 A) 22.gh5?? Qf5 23.Nf4 Qf4 (worse 23...ef4 24.Rh2-+) 24.Ke2 Qf2 25.Kd3 Ng3-+; B) 22.Ke4 f5 23.Kd3 fg4 24.hg4 Qg4 25.Ng3 e4 26.Kc2 Qd1 27.Rad1 Bb2 28.Nb2 Ng3 29.fg3+-) 21...f5?? (better 21...Qf5 22.Ke3 Bh6 23.Nf4 ef4 (23...Bf4?! 24.gf4 Qf4 25.Kd3=; 23...Nf4?! 24.gf4 Qf4 25.Kd3=) 24.Kd2 fg3 25.Kc3 gf2-+) 22.Kd3 e4 23.Kc2 Bb2 24.Nb2 e3 25.f4 Re4 26.Kb3 Rae8 27.a4 Qg7 28.Qd3 Ng3? (28...Nf6+-) 29.Ng3 Rd4 30.Qc3 e2 (30...Rf4 31.Qc2 Rf3 32.Ne2+-) 31.Rhe1 (better 31.Nf5 Qf6 32.Nd4 cd4+-) 31...Rf4 32.Ne2 (better 32.Re2 Qc3 33.Kc3 Rf3 34.Nd3+-) 32...Rfe4 33.Qg7 Kg7 34.Nd3 Re2 35.Re2 Re2 36.Re1 Re1 37.Ne1 Kf6 38.Kc3 g5 39.Kd3 g4 40.h4 (40.hg4 fg4 41.Ke4+-) 40...Ke5= 41.Ke3 f4 42.Kd3 h5 43.Ke2?? (better 43.Nc2!?=+) 43...Ke4 Black plans f3 (better 43...Kd4 44.Kf2 f3 45.Nc2 Kc4 46.Ne3 Kb4 47.Ng4 hg4-+) 44.Nd3?? (better 44.Kf2-+) 44...f3 45.Kd2 g3 46.Nb2 (46.Nc5 bc5 47.b6 g2-+) 46...g2 47.Nd1 g1Q 48.Nc3 Kd4 49.Nd1 (49.Ne4 Qe3 50.Kc2 Qe4 51.Kb2 Qe2 52.Kb3 f2 53.Ka3 f1Q 54.Kb3 Qff3) 49...Qd1! 50.Kd1 Kc4 51.Ke1 Kd5 52.Kf2 c4 (52...Ke4 53.Kg1 Ke3 54.Kh1 c4 55.Kg1 f2 56.Kg2 c3 57.Kf1 c2 58.Kg2 c1Q 59.Kh3 Qf1 60.Kg3 Qg1 61.Kh3 f1Q) 53.Kf3 c3 54.Kf4 c2 55.Kg5 c1Q 56.Kh5 (56.Kf6 Qb2 57.Kf7 Qe5 58.Kg8 Ke6 59.Kh7 Kf7 60.Kh6 Qf6 61.Kh5 Qg6) 56...Qh1 (56...Qg1 57.Kh6 Ke6 58.Kh7 Kf6 59.h5 Qg7) 57.Kg5 Qh4! 58.Kh4 Kc5 59.Kg5 Kb4 60.Kf5 Ka4 61.Ke4 Kb5 62.Kd5 Kb4 63.Kd6 a4 64.Kc7 a3 (64...b5 65.Kb6-+) 65.Kb7 (65.Kb6 a2 66.Kc6 Kc4-+) 65...a2 66.Kc7 a1Q 67.Kb7 (67.Kd6 Qd4 68.Ke7 Kc4 69.Kf7 b5 70.Ke6 b4 71.Kf7 b3 72.Kf8 b2 73.Ke7 Qg7 74.Kd8 b1Q 75.Kc8 Qf5 76.Kd8 Qgd7) 67...Qb2 (67...Kc5 68.Kc7 Qg7 69.Kd8 Kd6 70.Ke8 Qe7) 68.Kb8 (68.Kc6 Qd4 69.Kb7 Kc5 70.Kc7 Qg7 71.Kd8 Kd6 72.Ke8 Qe7) 68...Qc3 (68...Qg7 69.Kc8 Kc5 70.Kd8 Kd6 71.Ke8 Qe7) 69.Kb7 (69.Ka7 Kc5 70.Kb7 Qg7 71.Ka6 b5 72.Ka5 Qa1) 69...Qc4 (69...Kc5 70.Ka7 Qg7 71.Ka6 b5 72.Ka5 Qa1) 70.Kb8 (70.Ka7 Kc5 71.Kb7 Qf7 72.Ka6 b5 73.Ka5 Qa2) 70...Kb3 (70...Qf4 71.Ka7 Kb5 72.Kb7 Qf7 73.Kc8 Kc6 74.Kd8 Qd7) 71.Kb7 b5 (71...Qc5 72.Ka7 b5 73.Ka6 Qd6 74.Kb7 b4 75.Kc8 Kc2 76.Kb7 b3 77.Ka8 b2 78.Ka7 b1Q 79.Ka8 Qbb8) 72.Ka7-+ b4 73.Ka8 (73.Kb7 Kc2 74.Kb6 b3 75.Kb7 b2 76.Ka7 b1Q 77.Ka8 Qa4) 73...Kc3 74.Ka7 (74.Kb8 b3 75.Kb7 b2 76.Ka7 b1Q 77.Ka8 Qa4) 74...b3 75.Ka8 (75.Kb6 b2 76.Ka5 Qd5 77.Ka4 b1Q 78.Ka3 Qbb3) ½-½. is_er_nog_hoop (2570) - SpeedMonkey (2590), Rated bullet game, lichess.org, 2020.

5.h4 d6 6.e3 e5 7.Be2 h5 (7...a5!?+=) 8.Nf3= Re8 9.d3 (9.Nc3 e4 10.Ng5 Nc6=) 9...Nbd7 (9...e4!? 10.Ng5 a5+=) 10.Nbd2= c6 11.Ng5 d5 12.cd5 cd5 13.0-0 Nf8 14.Rc1 Ng4 15.Qc2 f6 16.Ngf3 Ne6 17.Qb3 Kh8 (17...Qd6 18.Rfe1=) 18.g3 b6 19.Nh2 Nh2 20.Kh2 Bb7 21.Bf3 Qd7 22.Bg2 Rad8 23.Rfe1 d4 24.Bb7 Qb7 25.e4 Bh6 26.Re2 Qd7 27.Rc4?? (better is 27.Kg2+=) 27...Nf4!-+ 28.gf4 (28.gf4 Qg4 Double attack (28...Qg4 Decoy)) 28...Qg4 29.f3 (29.Kh1 Bf4 30.Nf1 Qe2 31.Kg2-+) 29...Bf4 30.Kh1 Qh3 31.Kg1 Be3 32.Re3 Qg3 33.Kh1 de3 34.Rc7 e2 35.Qf7 e1R 36.Nf1 Rf1 0–1. Burg,Twan (2495) – Bok,Benjamin (2520), 2012. (=1.c4 Nf6 2.a3 g6 3.b4 Bg7 4.Bb2 0-0)

5.h4 Re8 6.e3 d6 7.Be2 e5 8.h5 Ne4 9.hg6 fg6 10.Bd3 (better is 10.d4=) 10...Bf5?? (better is 10...Nf2 11.Kf2 e4 12.Bg7 Kg7 13.Be4 Re4=+) 11.Qf3?? (better is 11.Qc2 Nf6 12.Bf5 gf5 13.Qf5+/-) 11...d5?? 12.cd5? Qd5 13.Qe2 Qe6?? 14.Be4 Be4=+ 15.f3 Bc6 16.Nh3 Bf6 17.Nc3 Bh4 18.Kd1 Bf6 19.Ne4 Qb3 20.Ke1?? Be4-+ 21.fe4 Qb2 22.Rd1 Rd8 23.Kf2 Bh4 24.g3 Rf8 25.Kg2 Be7 26.Rh2? Qa3 27.Rdh1 h5 28.Nf2 Qb4 29.Rh5 gh5 30.Qh5 Rf2 31.Kf2 Qd2 32.Kf3= Qd6 33.Qh8 Kf7 34.Rh7 Ke6 35.Qg8?? Kd7-+ 36.Qg7 Qf6 37.Qf6+- Nc6 38.Qf7 Rf8 39.Qf8 Kd6 40.Qf5 (40.Qf5 b5 41.Rh2+-; better is 40.Qc8 b6 41.Rh6 Kc5 42.Qc7 Kb4+-) 1–0. IQIQIQ – Thalassa, Live Game Caissa's Web, 2004.

5.h4 h6 6.e3 a5 (6...d6 7.h5=+) 7.b5 c6 (7...d6 8.d4=+) 8.g4= d5 9.g5 hg5 10.hg5 Ng4 (10...Ne4 11.Bg7 Kg7 12.bc6 bc6 13.Nc3+=) 11.Bg7+/- Kg7 12.Rh5?? (better 12.c5+/-) 12...gh5-+ 13.Nc3 e5 (13...d4 14.Ne4-+) 14.cd5 cd5 15.Nf3 (15.Rc1 Be6-+) 15...d4 (15...e4!? 16.Nd4 Qg5 17.Qe2-+) 16.Ne4 Bf5 17.Ng3 Bg6 18.e4 Nd7 19.Bh3 Rc8 20.d3 (20.Bg4 hg4 21.Nh4 Qg5 22.Ng6 fg6-+) 20...Qb6 (20...Qc7 21.Ra2-+) 21.a4 (21.Nd2 Qb5 22.Nc4 Nc5 23.Bg4 hg4 24.Ne5 Qb2-+) 21...Rc3 (21...Qc7 22.Ra2-+) 22.Nh4 (22.Bg4 hg4 23.Nh4 Rh8 24.Qg4 Nc5-+) 22...Qe6 (better 22...Nc5 23.Nhf5 Kh8 24.Bg4 Nd3 25.Kf1 hg4 26.Qg4-+) 23.Nhf5 Kg8 24.Bg4 (24.Nh6 Kh8 25.Ne2 Rc7-+) 24...hg4 25.Qg4 (25.Nh6 Kh8 26.Ne2 Rc7-+) 25...Nc5 26.Kf1 Rd3 (26...Rd8!? 27.Nh6 Kf8 28.Nhf5-+) 27.Nh6 Kh7 (better 27...Kg7!? 28.Nhf5 Kh8 29.Kg2 Rg3 30.Kg3 Ne4 31.Qe4 Qf5 32.Qf5 Bf5 33.Rc1-+) 28.Qh4 Kg7 (28...f6 29.Ng4 Kg7 30.Qh6 Kf7 31.gf6 A) 31...Be4? 32.Ne4 Qg4 33.Qh7 Ke6 34.Nc5 Kf6 35.Nd7 (35.Qd3?! Rh8 36.Ne4 Ke7 37.Qa3 Kf7+-) 35...Kg5 36.Qg7 (36.Nf8?! Rd1 37.Rd1 Qd1 38.Kg2 Qg4 39.Kf1 Qd1 40.Kg2 Qg4 41.Kf1 Qd1=) 36...Kh5 37.Qg4 Kg4 38.Ne5 (38.Nf8?! Rc3+/-) 38...Kf5 39.Nd3+-; B) 31...Rg8-+) 29.Ngf5+- Bf5 30.Nf5 Kg8 31.Kg2 Qg6. black_bishop_88 (2615) - mux77 (2455), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4)

5.Nc3 b6

6.d4 Bb7=.

6.e3 e5=.

6.g3 Bb7=+ 7.Nf3 d6 8.Bg2= Nbd7 9.0-0 Rb8 (9...c5 10.Qc2=) 10.d4+= Re8 11.Re1 e5 12.e4 ed4 13.Nd4 Ne5 14.Qb3 (better 14.Qe2+=) 14...Nc6?? (better 14...c5 15.Ndb5 a6-/+) 15.Nd5?? (better 15.Nc6 Bc6 16.e5 Bg2 17.ef6 Qf6 18.Kg2+-) 15...Nd4+= 16.Bd4 Nd5 17.ed5?? (better 17.Bg7 Nf6 18.Bf6 Qf6 19.Rad1+=) 17...Bd4-+ 18.Rad1 Re1 (18...Qf6 19.Qf3-+) 19.Re1 Qd7 20.Rd1 (20.Qd3 Be5-+) 20...Bg7 21.Bf3 (21.Re1 Re8 22.Re3 a6-+) 21...Re8 22.Qd3 Qe7 (22...a6 23.Be2-+) 23.Rd2 Bc8 24.Re2 Qf8 25.Rd2 (25.Re8 Qe8 26.Qe3 Qe3 27.fe3 a6-+) 25...Bd7 (25...Re1 26.Kg2-+) 26.Kg2 Re7 27.h4 (27.Re2 Bf5 28.Qd1 a5-+) 27...Qe8 28.h5 Bf6 (28...Bf5 29.Qb3-+) 29.hg6 hg6 30.Qc2 Kg7 31.Rd1 (31.Re2 Bf5 32.Re7 Qe7-+ (32...Bc2? 33.Re8 a5 34.ba5 ba5 35.Be4+/-; 32...Be7?! 33.Qe2-+)) 31...Bf5 (better 31...Ba4!? 32.Qd3 Bd1 33.Bd1-+) 32.Qd2 (32.Qc1 Qa4-+) 32...Qd7 (32...Qa4!? 33.Qc1-+) 33.Rh1 Re8 34.Qh6 Kg8 35.Qh7 Kf8 36.Qh6 Bg7 37.Qd2 Qe7 (37...Qa4 38.Qc1-+) 38.Qd1 Qf6 39.Rf1 (39.Bg4 Be4 40.Bf3 Qc3-+) 39...Qg5 (better 39...Qc3!? 40.Rh1-+) 40.Rh1 Be4 (better 40...a5-+) 41.Qa1 (41.Rh4 Bf3 42.Qf3-+) 41...Bf3 42.Kf3 Ba1 43.Rh8 Kg7 (43...Bh8 44.b5 Qh5 45.g4 Qh3 46.Kf4 Be5 47.Kg5 Qh7 48.c5 f6) 44.Re8-+ Qf6 45.Kg2 Be5 (better 45...Qd4 46.Kg1-+) 46.Ra8 (46.f4 Bb2 47.Rc8-+) 46...Qf5 47.Ra7 Qe4 (47...Bd4 48.Ra4 Qf2 49.Kh3 Be5 50.c5 Qg3) 48.Kh3 (48.f3 Qe2 49.Kg1 Bd4 50.Kh1 Qf2 51.Rc7 Qg1) 48...Qc4 (48...Qh1 49.Kg4 Qh5) 49.Rc7 Qc7 (49...Qc7 50.f4 Qc1 51.Kh2 Bd4 52.Kg2 Qg1 53.Kf3 Qf1 54.Ke4 Bg1 55.g4 Qe2; 49...Qf1 50.Kg4 Qh1 51.Rf7 Kf7 52.f4 Qh5) 0-1. unjournakamura (2205) - ribarisah (2060), Rated Bullet game, lichess.org, 2017.

6.g3 Bb7=+ 7.Nf3 d6 8.Bg2= e5 9.0-0 Nbd7 10.d3 Ne8 (10...a5 11.Qc2=) 11.Qb3 f5 (11...c6 12.e3=) 12.Rad1 (12.Ne5 Bg2 13.Nd7 Qd7 14.Kg2 c6+/-) 12...Kh8 (12...c6 13.Rfe1=) 13.d4 (better 13.Ne5!? Bg2 14.Nd7 Qd7 15.Kg2+/-) 13...e4= 14.Ne1 Nef6 15.d5 Ne5 (15...a5 16.f3=) 16.Nb5 a5 17.Nd4 ab4 (17...Bc8 18.f4 Nf7 19.ba5 ba5 20.Rb1+=) 18.ab4 (better 18.Ne6!? Qe7 19.Nf8 Rf8 20.Qb4+/-) 18...Qd7 19.Ne6 Rfe8 20.f4 Neg4 21.h3 Nh6 22.Nc2 b5 (22...Re6 23.de6 Qe6 24.Nd4+/-) 23.Ng7 Kg7 24.c5 dc5 25.bc5 Qf7 26.c6 Bc6 (better 26...Bc8+-) 27.Ne3?? (27.Bf6 Qf6 28.dc6 Qc6+-) 27...Bb7 (better 27...Bd7=) 28.g4+- (28.Qb5?! Ba6 29.Qc6 Be2=+) 28...fg4 (28...Kg8 29.g5 (29.Qb5?! Rab8 30.Qc5 fg4+/-) 29...Qe7 30.Bf6+-) 29.hg4 (29.Qb5 Ba6 30.Qc6 Be2-+) 29...Kg8 30.g5 (30.Qb5?! Nhg4 31.Ng4 Ng4=) 30...Nfg4? (better 30...Nhg4 31.Ng4 Ng4+-) 31.gh6 Ne3 32.Qe3 Ra2 (32...Qf8 33.f5 Qb4 34.Qc1+-) 33.Qd4 Rb2 (33...Kf8 34.f5 g5 35.Qb4 Kg8 36.Qb3+-) 34.Qb2 Bd5 (34...c6 35.dc6 Bc6+-) 35.Qd4 (better 35.Rd5 c6 36.Be4+-) 35...Bc4 (35...c6 36.Qe3+-) 36.e3 (better 36.Be4 c5 37.Qb2 Qf8+-) 36...Bf1 37.Bf1 (worse 37.Kf1 c5 38.Qc5 Qb3+-) 37...Qf5 (37...c6+-) 38.Be2 (38.Qg7) 38...g5 (38...Qf8 39.Bb5 Qf6 40.Qf6 Re7 41.Bc4 Rf7 42.Rd8) 39.Qd5 (39.Qg7) 39...Qd5+- 40.Rd5 gf4 41.ef4 c6 42.Rg5 Kh8 43.Kf2 (better 43.Re5 Re5 44.fe5+-) 43...Rg8? (43...Re6+-) 44.Rf5 (44.Re5 Rg6 45.Re8 Rg8 46.Re4 Rf8+-) 44...Re8 (44...Rg6 45.Rf8 Rg8 46.Rg8 Kg8 47.Ke3+-) 45.Ke3 Rd8 (45...b4 46.Bc4 Rb8 47.Bb3+-) 46.Rf7 Re8 47.Bg4 c5 (47...b4 48.Bf5+-) 48.Bf5 Kg8 49.Rg7 Kf8 50.Bh7 (better 50.Rh7 Kg8 51.Rb7+-) 50...Re7 (50...c4 51.f5 c3+-) 51.Re7 Ke7 52.Be4 Kf7 53.h7 (better 53.f5 b4+-) 53...Kg7 54.Kd3 Kh8 55.Ke3 (55.Bg6 c4 56.Kd4 c3+-) 55...c4?? (55...Kg7 56.Bg6 b4+-) 56.f5 (better 56.Kd4+-) 56...Kg7 (56...Kh7 57.Kd4 Kg7+-) 57.f6! Kf6 58.h8Q Ke7 59.Qh7 Kd6 60.Qg6 Kc5 (60...Ke7 61.Qg5 Ke6 62.Qb5 Kf6 63.Kf4 Ke6 64.Bf5 Ke7 65.Qd7 Kf6 66.Be6 Kg6 67.Qf7 Kh6 68.Bf5 c3 69.Qg6) 61.Qg5 (61.Qc6 Kb4 62.Kd4 Ka4 63.Kc3 Ka5 64.Qc7 Ka6 65.Qb7 Ka5 66.Qa7) 61...Kb4 62.Qd5 (62.Bc6 Kb3 63.Qb5 Kc3 64.Qa5 Kb2 65.Qb4 Ka2 66.Qc4 Kb2 67.Qb4 Ka2 68.Bd5 Ka1 69.Qa3 Kb1 70.Be4) 62...Kb3 (62...Kc3 63.Qd2 Kb3 64.Qc2 Ka3 65.Qc3 Ka2 66.Kd2 b4 67.Qc4 Kb2 68.Qb4 Ka2 69.Kc3 Ka1 70.Qa5) 63.Qd6 (63.Kd4 Kb2 64.Qb5 Kc1 65.Ke3 c3 66.Qb1) 63...b4 64.Bd5 (64.Qd1 Kb2 65.Qb1 Ka3 66.Qa1 Kb3 67.Kd2 c3 68.Kd3 c2 69.Bd5) 64...Ka3 (64...Kc3 65.Qc5 b3 66.Qc4 Kb2 67.Qb3 Kc1 68.Qa3 Kd1 69.Bb3 Ke1 70.Qc1) 65.Qc5 (65.Kd2 Kb3 66.Qc7 Ka4 67.Qc6 Ka3 68.Qc4 b3 69.Qb3) 65...c3 (65...Kb2 66.Qb4 Ka2 67.Bc4 Ka1 68.Qa3 Kb1 69.Bd3) 66.Qc4 (66.Qc4 Kb2 67.Qa2 Kc1 68.Kd3 b3 69.Qa1; 66.Qa5 Kb2 67.Qa2 Kc1 68.Kd3 b3 69.Qa1) 1-0. Kingscrusher_YouTube (2220) - DontBeMad (2400), Rated Bullet game, lichess.org, 2014.

6.g3 Bb7=+ 7.Nf3 Ne4 8.Bg2=.

6.g3 Bb7=+ 7.Nf3 Bf3 8.ef3 c6 9.Bg2=.

5.e3 d6

6.Bd3 e5 7.h3 e4 8.Bc2 Nc6 9.Ne2 a6 (9...Be6 10.d3+=) 10.Nbc3 Be6 11.Ne4 Bc4 (11...Ne4 12.Bg7 Nf2 13.Kf2 Kg7 14.d3+=) 12.Nf6 Bf6 13.Bf6 Qf6 14.0-0 Be2 15.Qe2 Rae8 16.f4 Nd4 17.Qd3 Nc2 18.Qc2 Re7 19.Rae1 Rfe8 20.Re2 b5 (20...d5 21.Qd3 Qe6 22.f5=) 21.g3 (21.f5 d5+=) 21...Qf5 (21...d5!?=) 22.Qf5+= gf5 23.Rg2 (23.Rc1 Ra8+=) 23...h5 (23...c5 24.Kf2+=) 24.Rf3 (24.Rc1 a5+=) 24...f6 25.g4 fg4 26.hg4 hg4 27.Rg4 Rg7 28.Rg7 Kg7 29.Rg3 Kf7 30.d3 (30.Kf2 c5=) 30...Rg8 (30...c5!?+=) 31.Rg8+= Kg8 32.e4 Kf7 (32...c5 33.Kf2+=) 33.f5 (33.d4!?+/-) 33...Ke7= 34.Kf2 d5 35.ed5?? (better is 35.Ke3=) 35...Kd6-+ 36.Ke3 Kd5 37.d4? (37.Ke2-+) 37...Kd6 (37...Kc4 38.Ke4 c6-+) 38.Ke4= c6 (38...Kc6 39.d5 Kd6 40.Kd4=) 39.Ke3+= Kd5 40.Kd3 Kd6 41.Ke4 Kd7 42.d5 Kd6 43.dc6 ½–½. giraira – biglou6, gameknot.com, 2009. (=1.a3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.e3 d6)

6.d4 Nbd7 7.Nf3 b6 8.Be2 c5 9.dc5 bc5 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Bb7 14.0-0 d5 15.Nc3 (15.cd5 Bd5 16.Nc3 Bb7=) 15...dc4 16.Bc4 Nb6 17.Be2 Qc7 18.Na4 Nbd5 (better is 18...Ng4!? 19.g3 Ba1 20.Nb6 Qb6 21.Qa1 Ra8=) 19.Qc2 (19.Be5 Qc8+/-) 19...Nd7 20.Bg7 Kg7 21.Rc1 Rc8 22.h3 e5 23.Ng5 Nb4 24.Qb2 (24.Qd2 Qd8 25.Bg4 Ra8 (worse is 25...Qg5 26.Qd7 Rb8 27.Qc7+-) 26.Nc5 Nc5 27.Qd8 Rd8 28.Rc5 Rb8+-) 24...h6= 25.Nf3 Qd6 (better is 25...Bf3 26.gf3 Qa7=) 26.Rd1+- Qe7 27.Rd7! Qd7 28.Nb6 (28.Qe5?! f6 29.Nc5 fe5 30.Nd7 e4+=) 28...Qd6 29.Nc8 Bc8 30.Qe5 Qe5 31.Ne5 Nd5 (31...Kf6!? 32.f4 Nd5+/-) 32.Bc4+- Be6 33.Bd5 (33.Nd3!? Nb6 34.Be6 c4 35.Bc4 Nc4+-) 33...Bd5 34.b6 Kf8? (34...Kf6 35.Nd7 Ke7 36.Nc5+-) 35.Nd7 (better is 35.e4 Be4 36.Nd7 Ke7 37.Nc5+-) 35...Ke8?? (better is 35...Ke7!? 36.Nc5 Kd6+-) 36.Nc5 (better is 36.Nf6 Kd8 37.Nd5+-) 36...Kd8 37.b7 Kc7+/- 38.f3 Bb7 39.Nb7 Kb7 40.Kf2 Kc6 41.e4 Kc5 42.Ke3 f6 43.f4 h5 44.g4 hg4 45.hg4 Kd6 46.Kd4 Ke6 47.f5 gf5+/- 48.gf5 Kd6 49.Kd3 Kc5?? 50.Ke3 Kd6?? 51.Kf4 Ke7+/- 52.e5 fe5= 53.Ke5 Kf7 54.f6 Kf8 55.Ke6 Ke8 56.Ke5 Kf7 57.Kf5 Kf8 58.Kg6 Kg8 59.Kg5 Kf8 60.Kf4 Kf7 61.Kf5 Kf8 ½–½. Fournier,Frederic (1660) – Senser, ChessOK.com, 2012.

6.d4 Nbd7 7.Nf3 c6 8.Be2 Qc7 9.0-0 e5 (9...Nb6 10.a4+=) 10.Nc3 (10.Nbd2 Re8+=) 10...Re8 11.Qc2 e4 (11...ed4 12.Nd4 Ne5 13.e4+=) 12.Nd2+/- d5 13.cd5 (13.Rfc1 dc4 14.Nde4 Ne4 15.Ne4 b5+=) 13...cd5 14.Rac1 Qb6 (better is 14...Qb8!?+=) 15.Qb3+- White prepares b5 15...a5 16.b5 (better is 16.Nd5!? Nd5 17.Qd5 ab4 18.Ne4+-) 16...Qe6= 17.Na4 h5 (17...Qd6 18.Rc2+=) 18.h3 g5 19.Nc5 Nc5 (19...Qd6 20.a4+/-) 20.dc5+/- Bd7 (20...g4 21.hg4 a4 22.Qb4 Ng4 23.Bg7 Kg7 24.Qc3 Qe5 25.c6+/-) 21.a4 (21.Qa4 g4 22.c6 bc6 23.bc6 Bc8 24.hg4 hg4+/-) 21...g4 22.hg4 hg4 23.Rfd1 (23.Bd4 Qf5+/-) 23...Kh7 (23...g3 24.fg3 Red8 25.g4+/-) 24.Nf1 Rg8 (24...Rad8 25.Bf6 Bf6 26.Rd5+-) 25.Qc2 (25.Bf6 Bf6 26.Rd5 Be5+-) 25...Rac8 (25...Rh8 26.Ng3+/-) 26.Qd2 Qe7? (better is 26...Rc7!?+/-) 27.Bf6+- Bf6 28.Qd5 Rc7? (28...Be6 29.Qe4 Kh8 30.c6 bc6 31.bc6+-) 29.Qh5 (better is 29.b6 Rg5 30.Qd6+- (30.bc7?! Rd5 31.Rd5 Be6+/-)) 29...Kg7 30.Bg4 (30.b6 Rh8 31.Qh8 Kh8 32.bc7 Qe8+-) 30...Rh8+/- 31.Rd7 Rd7 32.Qf5 Rc7 (32...Rdd8 33.Rc4 Rde8 34.Ng3+/-) 33.Ng3+- Qe5 (better is 33...Be5 34.Ne4 Kg8+-) 34.Ne4 (34.Nh5 Rh5 35.Qh5 Qh5 36.Bh5 Be7+-) 34...Qh2? (better is 34...Rc5! 35.Nc5 Qh2 36.Kf1 Qh1 37.Ke2 Qc1+=) 35.Kf1+- Rh6 (35...Qe5 36.Qe5 Be5 37.Ke2+-) 36.Ng3 (36.Nf6?! Rf6 37.Qc2 Qh1 38.Ke2 Qg2+/-) 36...Re7 (36...Qg3 37.fg3 Rh1 38.Kf2 Rc1 39.c6 bc6 40.bc6 R7c6 41.Qa5+/-) 37.Rd1 (37.Ke2!? Bb2 38.Rc2 Be5 39.Qg5 Kf8+-) 37...Re5 38.Qc2 (better is 38.Qd7 Rh4 39.Nf5 Rf5 40.Qf5+-) 38...Kf8?? (38...Rg6 39.Bf3 Rg3 40.fg3 Re3+-) 39.c6 bc6 40.bc6 Bd8 (40...Re3 41.Qc5 Re7 42.Rd8 Kg7 43.Nf5 Kh7 44.Ne7 Be7 45.Bf5 Kg7 46.Qe7 Qh1 47.Ke2 Qh4 48.Qf8 Kf6+-) 41.c7 (41.Rd8 Kg7 42.c7 Qg3 43.fg3 Rf6 44.Ke2 Rd6 45.Rd6 Rc5 46.Qc5 Kh8 47.Rh6 Kg7 48.Qg5 Kf8 49.c8Q) 41...Bc7 42.Qc7 Re8 43.Qc5 (better is 43.Rd8 Rd8 44.Qd8 Kg7 45.Nf5 Kh7 46.Qf8+-) 43...Kg8 44.Qa5 Qh4 (44...Kh7 45.Qf5 Kg7 46.Nh5 Kg8 47.Nf6 Rf6 48.Qf6+-) 45.Bf3 (better is 45.Nf5 Qf6 46.Nh6 Qh6+-) 45...Rhe6 (45...Qf6 46.Ne4 Qe7 47.Qf5+-) 46.Ne4! Re5 (46...Re4 47.Be4 Combination) 47.Qb6 R5e6 (47...Re4 48.Be4 Qe4 49.Rd4+-) 48.Qc7 (better is 48.Nd6 Qa4 49.Qc7 Rf8+-) 48...Kf8 (48...Re4 49.Be4 Qe4 50.Qg3 Kf8+-) 49.Qc5 (49.Nd6 R6e7 50.Qc5 Qa4 51.Ne8 Qe8+-) 49...R6e7 (49...Kg8 50.Rd5 Rb8+-) 50.Nd6 Rd8 51.Nf5 (51.Rd4 Qf6 52.Nf5 Rd4 53.ed4 Qa6 54.Kg1+-) 51...Qh1 (51...Qh1 52.Ke2 Qd1) 0–1. Bango,Dominik – Durica,Adam (1665), MSR Druzstiev Starsich Ziakov, 2014.

6.Nf3 c5 7.b5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.Be2 b6 12.Nc3 Bb7 13.0-0 Ne5 14.Ne5 de5 15.f3 e4 16.Qc2 ef3= 17.Bf3 Bf3 18.Rf3 Qa8 19.Rf1 Rd8 20.Bb2 Qb7 21.Rd1 Nd7 22.Nd5+/- e6 23.Ne7 Kf8 24.Bg7 Kg7 25.Nc6 Rc8 26.Qc3 f6 27.d4 Rc6 28.bc6 Qc6 29.dc5 Nc5 30.Qb4 Ne4 31.Qe7 Kh6 32.Qb4 f5 33.Rd6?? Nd6-+ 0–1. Fournier,Frederic (1885) – 13Felix (1930), Active (5/0), 2006.

6.Nf3 c5 7.b5 b6 8.d3 Bb7 9.Be2 Nbd7 10.0-0 d5 11.cd5 Nd5 12.a4?? Bb2-+ 13.Ra2 Bg7 14.Nbd2 Nc3 15.Qc2 Na2 16.Qa2 Rc8 0–1. Fournier,Frederic (2050) – 000yoel000 (1910), Active (1/0), 2005.

6.Nf3 c5 7.d4 cd4 8.ed4 d5 9.c5 Bg4 10.Be2 Ne4 11.Ne5 Be2 12.Qe2 f6 13.Nd3 Nc6 14.f3 Ng5 15.0-0 Qd7 16.Nd2 Rae8 17.b5 Nd8 18.f4 Ne4 (18...Ngf7!?=) 19.Ne4+/- de4 20.Nb4 Ne6 21.Rad1 (21.Rac1 f5 22.d5 Bb2 23.Qb2 Nc7+=) 21...f5= Increases the pressure on the backward pawn 22.Qc4 White plans d5 22...Rd8 23.Bc3 e3? (better 23...Rc8+=) 24.Rfe1+- Kh8 25.d5 Nc7 26.a4 1-0. Kamer,Kayra (2205) - Baltaci,Ismail Tarik (2050), 16th Kesan Open, 2018. (=1.c4 Nf6 2.a3 g6 3.b4 Bg7 4.Bb2)

6.Nf3 c6 7.Be2 a6 8.d4 b5 9.cb5 ab5 10.0-0 Re8 11.Nbd2 Qc7 12.Qb3 e5 13.de5 de5 14.Rfc1 Qd6 15.Rd1 Nd5 16.e4 1–0. Fournier,Frederic (1635) – hectorvassallo (1605), Active, 2006.

6.Nf3 Nbd7 7.Be2 Re8 8.d3 e5 9.0-0 a5 10.e4 ab4 11.ab4 Ra1 12.Ba1 c6 13.Nc3 (13.Nbd2 Qb6=) 13...Qb6 14.b5 Nc5 15.d4 (15.Qc2!?=) 15...ed4 16.Qd4 Ncd7 (16...Qd8!? 17.Qd1 Nfe4 18.Ne4 Ne4 19.Bg7 Kg7-/+) 17.Qb6 (17.Qd6 cb5 18.Qb6 Nb6+=) 17...Nb6= 18.Bd3 (18.Nd2 Nbd7=) 18...Nbd7 (18...Be6 19.e5 de5 20.bc6 (worse 20.Ne5 Nh5 21.c5 Be5 22.cb6 Nf4-/+) 20...bc6 21.Ne5=+) 19.Re1 Nc5 The pressure on e4 grows 20.Bc2 Ng4 (20...Nfd7 21.Nd2=) 21.h3 (21.bc6 bc6 22.Rd1 f5=) 21...Ne5=+ 22.Ne5 Be5 (worse 22...Re5 23.Na4 Rh5 24.bc6 bc6 25.e5 Na4 26.Ba4 Be5 27.Be5 Re5 28.Re5 de5 29.Bc6=) 23.f3 (23.Rd1 Be6 24.Na4 Ba1 25.Nc5 dc5 26.Ra1 Bc4 27.bc6 bc6=+) 23...Bd4 (23...Be6 24.bc6 bc6 25.Na4 Ba1 26.Ra1-/+) 24.Kf1 (24.Kh2=+) 24...Ne6 (better 24...Be6 25.Rd1 Bc4 26.Ke1 Be5-+) 25.Ne2+= Ba1 (25...Be5 26.Rd1+=) 26.Ra1 Bd7 (26...Rd8 27.Nc3+=) 27.Bd3 (27.bc6 Bc6 28.Rd1 Rd8+-) 27...cb5 (27...Nc5 28.Rd1=) 28.cb5+= Nc5 29.Bc4 Be6 30.Rc1 Bc4 31.Rc4 Rc8 (31...Re5 32.Nd4+=) 32.Nd4 (32.Rd4!?+-) 32...Kf8 33.Ke2 Ke7 34.Nb3 (34.Nc2 Ke6+=) 34...Kd7 35.Na5 (35.Nd2 f5+=) 35...b6 (better 35...Ra8 36.Rc5 dc5 37.Nb7 c4-+) 36.Nc6+= Ra8 37.Nb4 (better 37.Rd4+=) 37...Ra2?? (better 37...Ra5=+) 38.Na2+- Na4 (38...Ne6 39.Nb4 Nc7 40.Nd5 Nb5 41.g4+-) 39.Nc3 (39.Ra4 Ke6+-) 39...Nb2 (39...Nc3 40.Rc3 f5 41.Rc6+-) 40.Rd4 (better 40.Rb4 Ke6+-) 40...Nc4 (40...Kc8 41.Rb4 Kb7 42.Rb2+-) 41.Nd5 (better 41.Rc4 f5+-) 41...Ne5 (41...Na5 42.Ra4 Nb7 43.Ra7+-) 42.Nb6 (42.f4!? h6+-) 42...Kc7 43.Nd5 Kb7 (43...Kd8 44.Ra4 Kc8 45.Ra8 Kb7 46.Rf8+-) 44.b6 (better 44.Nf6 Kc7+-) 44...Nf3 (44...g5 45.Ra4 Nc6 46.g3+-) 45.Ra4 (45.gf3 f6 46.Rc4 Ka6 47.Ra4 Kb5 48.b7 Ka4 49.b8Q Ka3 50.Qb4 Ka2 51.Nc3 Ka1 52.Qa3) 45...Ng5 46.Ra7 Kb8 47.Rf7 (47.Nb4 Kc8 48.Re7 f5 49.b7 Kb8 50.Nc6) 47...Ne4?? (better 47...Nf7 48.Kd3 Ne5 49.Kd4 Kb7+-) 48.Rf8 (48.Nb4 Nc3 49.Kd3 Ka8 50.Nc6 d5 51.b7) 48...Kb7+- 49.Rf7 (better 49.Rh8 Nc5 50.Rh7 Ka6 51.Rg7+-) 49...Kc6?? (49...Kb8 50.Nb4 Nc3 51.Kd3 Ka8 52.Nc6 d5 53.b7) 50.b7+- Kd5 51.b8Q Nc3 52.Kd3 Ne4 (52...Nb5 53.Qb5 Ke6 54.Qe8 Kd5 55.Rc7 h6 56.Qe4) 53.Qa8 (53.Qb7 Ke6 54.Ke4 d5 55.Qd5) 53...Ke5 (53...Ke6 54.Qe8 Kd5 55.Qe4 Kc5 56.Rb7 d5 57.Qe7 Kc6 58.Qc7) 54.Qe4 1–0. BeepBeepImAJeep (2665) – FirstKnight (2315), lichess.org, IM TricksOnlyNL Arena, 2017.

6.Nf3 e5 7.d3 Ng4 8.h3 Nh6 9.Qc2 f5 10.Nbd2 Be6 11.d4 Nd7 12.d5 Bf7 13.e4 c5 14.dc6 bc6 15.Be2 Qe7 16.0-0 Be6 17.Rfe1 Nf7 18.Rad1 Rac8 19.Qb1 f4 20.Nb3 h5 21.Na5 g5 22.Nh2 Nf6 23.b5 c5 (23...cb5 24.cb5 g4 25.hg4 hg4 26.Nc6=) 24.Nc6 Qb7 25.f3 Kh8 26.Rd2 Rg8 27.Red1 Bf8 Black prepares g4 28.Bc3 Rc6 29.bc6 Qc6 30.Qb5 (30.Qd3 g4 31.hg4 hg4 32.Ng4 Bg4 33.fg4 Qe4+=) 30...Qc8 (30...Qb5!? 31.cb5 g4=) 31.Rb2 g4 32.hg4 hg4 33.Qb8 Exerts pressure on the backward pawn (33.Ng4 Ng4 34.fg4 Bg4+=) 33...Qc6 (33...Qb8!? 34.Rb8 gf3 35.Nf3 Ne4=+) 34.Qa7= gf3 35.Bf3 Ng5 36.Qb7 (36.Re1!?=) 36...Qa4 (better 36...Qb7 37.Rb7 Bc4-/+) 37.Qb3?? (better 37.Re1=+) 37...Qb3-+ 38.Rb3 Nh3 39.Kh1 Nf2 40.Kg1 Nd1 41.Bd1 Bc4 (41...Ne4?! 42.Bc2 Ng5 43.Bd3-+) 42.Rb8 (42.Rb6 Ne4 43.Ba1 Bd5-+) 42...Ne4 43.Bb2 Bg7 44.Rb6 Rd8 45.a4 d5 46.Ng4 d4 47.Bf3 Ng5 48.Bd1 (48.Rc6 Nf3 49.gf3 d3 50.Rc5 d2-+) 48...e4 49.a5 Ra8 (49...e3 50.Nf6 e2 51.Be2 Be2 52.a6 Bf6 53.Rf6-+) 50.Rg6 (50.Nf6 Bf6 51.Rf6 Ra5 52.Rf4 Ra2-+) 50...Ne6 51.Bc2 d3 (better 51...e3!? 52.Bf5 Nf8 53.Rc6 Ra5 54.Rc7-+) 52.Bg7 Kh7 53.Bc3 (53.Bd3 ed3 (53...Kg6?! 54.Be4 Kg7 55.Ba8=; 53...Bd3?! 54.Re6 Kg7 55.Nf2-+) 54.Bc3 Kg6 55.Ne5 Kf5 56.Nc4 Ng5-+) 53...Kg6 54.Ne5 Kg5 55.Nf7 Kf5 56.Nd6 Kg6 57.Ba4 Bd5 58.Be8 Kh7 (58...Re8 59.Ne8 e3 60.Kf1 Bg2 61.Kg2-+) 59.Bh5 e3 60.Bg4 (60.Ne8 Bc6 61.Nf6 Kh6-+) 60...d2 61.Bf5 (61.Bd1 Nd4 62.Bd4 cd4 63.Nb5-+) 61...Kg8 62.Bc2 Nd4 63.Bd4 cd4 (63...e2 64.Kh2 d1Q 65.Bd1 ed1Q 66.Nf5 cd4 67.a6 Qf1 68.Nh4 Qf2 69.a7 Qh4 70.Kg1 Qe1 71.Kh2 Ra7 72.Kh3 Qg3) 64.Nf5 e2 (64...e2 65.Kh2 d1Q 66.Bd1 ed1Q 67.a6 Qf1 68.Nh4 Qf2 69.a7 Qh4 70.Kg1 Qe1 71.Kh2 Qg3 72.Kg1 Qg2) 0-1. Kamer,Kayra (2205) - Arcuti,Davide (2355), 57th World Juniors, 2018. (=1.c4 Nf6 2.a3 g6 3.b4 Bg7 4.Bb2).

6.Nf3 e5 7.Be2 Nfd7 8.d3 f5 9.Nbd2 Nf6 10.0-0 Nbd7 11.Qb3 Kh8 12.Rac1 Rb8 13.c5 Qe7 14.cd6 cd6 15.d4 e4 16.Ne1 Nb6 17.f3 Be6 18.fe4?? (better is 18.Qd1=) 18...Bb3-+ 19.Nb3 Ne4 20.Nf3 Qe6 21.Nbd2 Rbc8 22.Ne4 fe4 23.Nd2 Rc1 24.Rc1 Rc8 25.h3 Rc1 26.Bc1 Bf6 27.Bc4 d5 28.Be2 Kg7 29.Bg4 Qc6 30.Nb3 Qc3 31.Nc5 Qc1 32.Kh2-+ Qe3 33.Ne6 Kf7 34.Nc5 Nc4 35.Nb7 h5 36.Bc8 Qf4 37.Kg1 Bd4 38.Kh1 e3 (38...e3 39.Nd8 Kf6 40.Ne6 Qf1 41.Kh2 Be5 42.Nf4 Qf4 43.Kg1 Qf2 44.Kh1 Qe1; 38...Qf1 39.Kh2 Qg1 40.Kg3 Bf2 41.Kf4 Qc1) 0–1. Fournier,Frederic (2000) – chinaman (2085), Echecs21 (2/0), 2003.

4.c4 c5

5.b5 b6 6.e3 a6 7.a4 ab5 8.ab5 Bb7 9.Nf3 d5 10.Nc3 dc4 11.Bc4 Nbd7 12.0-0 h5 13.Ra8 Ba8 14.Ne1 0-0 15.Qb3 e6 16.d4 Ng4 17.h3 Ndf6? 18.hg4+- Ng4 19.Ne2?? Qb8 20.d5?? Qh2# 0–1. cogit – bond34, kurnik, 2012.

5.g3 cb4 6.ab4 Qc7 (6...Qb6!? 7.b5 Ne4=) 7.Qb3= b6 (7...Nc6 8.Nf3=) 8.Bg2 Bb7 9.Nf3 0-0 10.0-0 h5 (10...Nc6!?+=) 11.Nc3+/- e6? (11...Nc6 12.Nd5 Nd5 13.cd5+/-) 12.Rfc1 (12.Nb5 Qd8+-) 12...Bf3 (12...a6!?+/-) 13.Bf3+- Nc6 14.Nb5 Qb8 15.Na3 (better is 15.Nd4 Qd6 16.Nc6 dc6 17.b5+-) 15...d5?? (better is 15...Ng4+/-) 16.cd5+- ed5 (16...Ne5 17.Be5 Qe5+-) 17.Rc6 (17.Rc6 Qd8 18.Rac1+-) 1–0. snowman100 (1685) – queensservant (1730), gameknot.com, 2011.

4.c4 d5

5.c5 0-0 6.d4 c6 7.e3 b6 8.Nc3 bc5 9.bc5 a5 10.a4 Ba6 11.Ba6 Na6 12.Nge2 Nb4 13.0-0 Ne4 14.Ne4 de4 15.Nc3 Nd3 16.Ba3 f5 17.Ne2 e5+= 18.Qb3 Kh8 19.Qc4 Qe7 20.Rfb1 ed4 21.ed4 e3?? 22.fe3?? Qe3 23.Kh1 Qe2 24.Ra2 Nf2 25.Kg1 Qc4 26.Rf2 Qd4 27.Bb2 Qc5 28.Bg7 Kg7 29.Kf1 Rfd8 30.Rfb2 Qc4 31.Kg1 Qa4 32.Rb7 Kh6 33.Re7 c5 34.Rbb7 Rh8 35.h4 Qd4 36.Kh1 Qd1 37.Kh2 c4 38.Rbc7 Qg4 39.g3 f4 40.Rc4 Qg3 41.Kh1 Qh4 42.Kg2 Qg3 43.Kf1 f3 44.Rc2 Rad8 45.Re1 Rhf8 46.Rf2 Qh3 47.Kg1 Rf4 (47...Rf4 48.Rf3 Rg4 49.Kf2 Qg2 50.Ke3 Qd2#; 47...Rd5 48.Rh2 f2 49.Rf2 Rg5 50.Rg2 Rg2#) 0–1. cogit – mariokeres, kurnik, 2012.

5.c5 c6 6.d4 b5 7.e3 a5 8.Nc3 ab4 9.ab4 Ra1 10.Qa1 Nbd7 11.Bd3 e5 12.Nge2 e4 13.Bc2 0-0 14.0-0 Qc7 15.h3 Nh5 16.g4 Nhf6 17.Nd1 Bb7 18.Nf4 Ra8 19.Qb1 Kh8 20.f3 ef3 21.Rf3 Ng8 22.Nf2 Rf8 23.Kg2 Ndf6 24.Ne2 Qe7 25.Nh1 Ne4 26.Bc1 Bc8 27.Neg3 f5 28.gf5 Bf5 29.Nf5 Rf5 30.Rf5 gf5 31.Bb2? Qg5-+ 32.Kf3 Nh6 33.Qf1?? Ng8 34.Qg2?? h5 35.Qg5+/- Ng5 36.Kg3 Ne4 37.Kh4 Ngf6 38.Be4 fe4 39.Ng3+/- Bh6 40.Bc1 Kg7 41.Nf5 Kg6 (41...Kg6 42.Ne7 Kf7 43.Nc6 Kg6+-) 1–0. cogit – mariokeres, kurnik, 2012.

4.c4 d6

5.Nc3 e5 6.e3 0-0 7.Nf3 Re8 8.Be2 b6 9.0-0 Bb7 10.d4 ed4 11.Nd4 Nbd7 12.Rc1 Ne5 13.Qc2 (13.f4 Ned7=) 13...c5 14.bc5 dc5 15.Ndb5 Qe7 16.Rfd1 a6 (16...Red8!? 17.Rd8 Rd8 (< 17...Qd8 18.Rd1 Qe7 19.e4+=) 18.Na7 Bg2 19.Kg2 Qa7=) 17.Nd6+= Red8 18.Nb7 Qb7 19.Rd8 (19.Na4 Nfd7+/-) 19...Rd8+= 20.e4 Nc6 21.Nd5 Nd5 22.ed5 Nd4 23.Bd4 Bd4 24.Qe4 Qd7 25.Rb1= Re8 26.Qf3 Qe7 27.Bd3 Qd6 28.g3 Kg7 29.Kg2 h5 30.Rb2?? Bb2-+ 0–1. mgriffin (1605) – kerger, net–chess.com, 2001.

5.d4 0-0 6.Nf3 Bd7 7.Nc3 a6 8.e4 c5 9.Be2 cd4 10.Nd4 Nc6 11.0-0 Rc8 12.Rc1 Ne5 13.Qb3 Qb6 14.Nd5 Nd5 15.cd5 Qa7 16.h3 b5 17.Rfd1 Rc1 18.Rc1 Nc4 19.Nc6 Bc6 20.Bg7 Kg7 21.dc6 Rc8? (21...Ne5 22.a4 Rc8 23.ab5 ab5 24.Bb5 h6+/-) 22.Bc4+- bc4 23.Qc4 Rc7 24.a4 e6? (24...Qb6 25.b5 f6 26.ba6+-) 25.b5 ab5 26.ab5 Qb6 27.Ra1 (27.Rd1 Rc8 28.Rd6 Rb8+-) 27...h5 28.Ra6 Qc5 29.Qc5 dc5 30.Kf1 Kf6 31.f4 Ke7 32.Ke2 c4 33.e5 f6 34.Kd2 fe5 35.fe5 Rc8 36.Ra7 Ke8 37.Kc3 Rd8 38.Kc4 Rd5 39.Ra8 Ke7 40.c7 Re5 41.c8Q Re4 42.Kd3 (42.Kd3 Kf6 43.Ke4 g5 44.Qh8 Ke7 45.Qf8 Kd7 46.Qd8) 1–0. Sandercock,E Barry (1645) – Welch,Hazel, Beacon Seniors op, 2006. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.c4 d6)

5.d4 Nbd7 6.Nf3 b6 7.e3 Bb7 8.Nbd2 0-0 9.Qc2 Rc8 10.Bd3 c5 11.0-0 d5 12.Qb3 (12.dc5 bc5 13.b5 dc4+=) 12...cd4 (12...b5 13.bc5 dc4 14.Bc4 Bf3 15.Bf7 Rf7 16.Nf3=) 13.ed4 dc4 14.Bc4 e6 15.Rfe1 Nd5 16.b5 Rc7 17.a4 Qc8 (better is 17...Re8!?=) 18.Ba3+/- Nc5? (better is 18...Rd8 19.Bd6 N7f6 20.Bc7 Qc7+/-) 19.dc5+- Ba1 20.c6 (20.Ra1?! bc5 21.Ne4 Rd8+-) 20...Bg7 21.cb7 Qb7 22.Bf8 Bf8 23.Ne4 Rd7 (23...Bg7+-) 24.Bd5 (24.Bd5 Rd5 25.Nf6 Kg7 26.Nd5 Qd5 27.Qd5 ed5 28.Re5+-) 1–0. Yap,Andronico (2385) – Yousif,Ajlan, Asia–chT fin, 1983.

5.e3 0-0 6.d4 Nbd7 7.Nf3 c5 8.bc5 dc5 9.d5 b6 10.Be2 Bb7 11.Nbd2 Ng4 (better is 11...e6 12.de6 fe6=) 12.0-0?? (12.Bg7 Kg7 13.Qb3 Ngf6+=) 12...f6?? (better is 12...Bb2 13.Rb1 Bg7-+) 13.h3 Nge5 14.Ne5 fe5 15.Nf3 Qc7 16.e4 a6 17.a4 Qd6 18.Qc2 Rf7 19.Rab1 Raf8 20.Bc3 a5 21.Qb2 Rf3? 22.Bf3+- Rf3 23.gf3 Qf6 24.Kg2 Qg5 25.Kh2 Nf6?? 26.Rg1 Qf4 27.Rg3 Bc8 28.Rbg1 Nh5 29.Be5 Be5. Fournier,Frederic (2130) – sevgilim (2040), Active (1/0), 2005.

5.e3 0-0 6.d4 e6 7.Nf3 Nbd7 8.Bd3 b6 9.Nbd2 c5 10.dc5 dc5 11.b5 Bb7 12.0-0 Re8 13.Be2 e5 14.Qc2 e4 15.Bf6? (better is 15.Ng5=) 15...Qf6-+ (15...Nf6?! 16.Ne1=+) 16.Ne1?? (16.Rad1 ef3 17.Bf3 Bf3 18.Nf3-+) 16...Qa1 17.g3 Qb2 18.Qb2 Bb2 19.a4 Bc3 20.Nb1 Be1 21.Re1 Ne5 22.Nc3 Nf3 23.Kf1 Ne1 24.Ke1 1–0. Fournier,Frederic (2125) – fightart (1955), Active (1/0), 2005.

5.e3 0-0 6.Nf3 Bg4 7.Be2 c6 8.Nd4 Be2 9.Ne2 Nbd7 10.Ng3 e5 11.Qc2 Qe7 12.d4 ed4 13.Bd4 c5 14.bc5 dc5 15.Bb2 Rad8 16.0-0 b6 17.Nd2 Ne5 18.Nde4 Ne4 19.Ne4 Nd3 20.Bg7 Kg7 21.Qc3 f6 22.Ng5 h6 23.Ne4 Qe4 24.Rad1 Ne5 25.Rd2 Rd2 26.Qd2 Qc6 27.Qc3 Rf7 28.Rd1 Rd7 29.Rc1 Rd3 30.Qb2 Qd7 31.Qb5 Rd1 32.Rd1 Qd1 0–1. chocobom – fagus54, kurnik, 2012.

5.e3 c6 6.Nf3 Bg4 7.Be2 Nbd7 8.0-0 Qc7 9.h3 Bf3 10.Bf3 0-0 11.d4 e5 12.de5 de5 13.Nd2 Rad8 14.Be2 e4 15.Qc2 Rfe8 16.Rad1 Ne5 (16...c5 17.Qa4=) 17.Be5 (17.c5!?+=) 17...Qe5= 18.Nb3 Nh5 (18...Qe7 19.Rd4=) 19.c5 f5 20.Nd4 f4 21.Bh5 Qh5 22.ef4?? (better is 22.Qb3 Qd5 23.Qa4 fe3 24.fe3=) 22...Rd4-+ 23.Rd4 Bd4 24.Re1 e3 25.fe3 Re3 26.Re3 Be3 27.Kh2 Qd5 28.Qe2 Qd2 29.Qd2 Bd2 30.a4 Bf4 31.g3 Bd2 32.b5 cb5 33.ab5 Kf7 34.c6 bc6 35.bc6 Ba5 36.h4 Bc7 37.Kh3 a5 38.g4 a4 39.h5 a3 0–1. Fournier,Frederic (1800) – VigoRoso (1730), Active (1/0), 2005.

5.Nf3 Nbd7 6.e3 0-0 7.d4 e5 8.Nc3 ed4 9.ed4 (9.Nd4 Re8=) 9...Re8 (9...Nb6 10.Be2=+) 10.Be2= b6 (10...a5!?=) 11.0-0+= Bb7 12.Re1 Ne4 13.Ne4 Be4 14.Bd3 Bd3 (14...d5 15.Be4 de4 16.Nd2+=) 15.Qd3 Nf6 16.Qc2 Qd7 17.d5 b5 18.cb5 (18.Bd4 c5 19.dc6 Qc6 20.Re8 Ne8+=) 18...Nd5 (18...Qb5 19.Bf6 Bf6 20.Rad1 Re1 21.Re1 Qd5 22.Qc7=) 19.Nd4 (19.Bg7 Kg7 20.Qc4 Nb6 21.Qc3 Kg8+=) 19...Nf4 (19...Re1 20.Re1 Re8 21.Re8 Qe8 22.g3=) 20.Nc6 (20.Re4 Qg4 21.f3 Qg5+=) 20...Qg4 (20...Bb2 21.Qb2 a6 22.Re8 Re8 23.a4-/+) 21.g3 (better 21.f3!? Qg5 22.Bg7 Kg7 23.a4+=) 21...Nh3=+ 22.Kg2? (22.Kf1 Qf3 23.Ne7 Kf8 24.Bg7 Kg7 25.Qb2 f6 26.Re6=+) 22...Nf4?? (better 22...Ng5 23.Ne7 Re7-+) 23.Kg1= Bb2 24.Qb2 Nd3 25.Qc2?? (25.Re8 Re8 26.Qf6-/+) 25...Ne1-+ 26.Re1 (26.Qb3 Qe4 27.Re1 Qe1 28.Kg2 a6 29.ba6 Qe4 30.Qf3 Ra6 31.Qe4 Re4-+) 26...Re1 27.Kg2 Qe4 28.f3 (28.Qe4 Re4 29.a4-+) 28...Qc2 29.Kh3 Qf5 30.g4 Qf3 (30...Qf3 31.Kh4 Qf2 32.Kg5 f6 33.Kh6 Qh2) 0-1. POLSKA_HUSARIA (2055) - opperwezen (2770), Weekly HyperBullet Arena, lichess.org, 2017.

4.d3 0-0

5.c4 d5 6.c5 c6 7.Nd2 Re8 8.g3 e5 9.Bg2 e4 10.de4= de4 11.e3 Bg4 12.Qc1 Qd3 13.Bf1 Qd8 14.Nc4 Re6 15.Rb1 Na6 16.Nd6 Rd6 17.cd6 Qd6 18.Ba6 ba6 19.Ne2 Be2 20.Ke2 Qd3 21.Ke1 Nd5 22.Bg7+/- Kg7 23.Qd1 Qc3 24.Kf1+= Qa3 25.Qd4 Kg8 26.Qe4 Rb8 27.Qe5 Rb4 28.Rb4 Qb4 29.Kg2 a5 30.Ra1 a4 31.Qe8 Kg7 32.Qc6 Qe4? 33.Kh3?? Nf4!!-+ 34.ef4 Qc6 35.g4 Qb5 36.f3-+ Qb4 37.Kh4 Qf4 38.h3 h6 39.Rf1 a3 40.Rf2 Qc4 41.f4 a2 42.Ra2 Qa2 43.f5 a5 44.Kg3-+ a4 45.fg6 fg6 46.h4 Qb3 47.Kf4 a3 48.g5 hg5 49.Kg4 Qc4 50.Kh3 Qh4 51.Kg2 a2 52.Kf3 a1Q (52...a1Q 53.Ke3 Qc3 54.Ke2 Qhe1#; 52...Qf4 53.Ke2 a1Q 54.Kd3 Qd1 55.Kc3 Qfd4#) 0–1. rumaniaana – j007b, kurnik, 2012.

5.c4 e6 6.Nf3 d6 7.g3 c6 8.Bg2 Bd7 9.0-0 Ne8 10.Bg7 Ng7 11.Nbd2 f5 12.e3 e5+= 13.Nb3 Be6 14.Rc1 Nd7 15.h4 Rc8 16.Ng5 Qe7 17.Ne6 Ne6 18.a4 f4 19.ef4 ef4 20.b5 fg3 21.fg3 Nec5 22.Re1 Qf6 23.Qd2?? Nb3-+ 24.Qa2 Nc1 25.Rc1 c5 26.a5 Ne5 27.Be4 Ng4 28.Kg2 Ne3 29.Kg1 Qd4 30.Kh2 Nf1 31.Kh3 Qe5 32.Qg2 Qe6 33.g4 Ne3 34.Qg1 Ng4! 35.Bd5 Rf3! 36.Kg2?? Ne3 37.Kf3 Nd5 38.cd5 Rf8 39.Kg3 Qe5 40.Kg2 Qd5 41.Kh2 Qe5 42.Kg2 Qe2 43.Kg3 Rf3 44.Kg4 Rf1 45.Kg5 Rg1 46.Rg1 Qe3 47.Kf6 Qg1 48.Ke6-+ Qg3 49.Kd7 b6 50.ab6 ab6 51.Kc6 Kf7 52.Kb6 Ke7 53.Kc6 Qf3 54.Kb6 Kd7 55.h5 Kc8 56.hg6 hg6 57.Ka5 Qa8 58.Kb6 Qb7 (58...Qb7 59.Ka5 Qa7#) 0–1. rumaniaana – dan48, kurnik, 2012.

5.Nd2 a6 6.g3 d6 7.Bg2 Nbd7 8.e3 Rb8 9.Ngf3 c5 10.c3 b6 11.0-0 Ng4 12.h3 Nge5 13.Ne5 Ne5 14.Nf3 Nf3 15.Bf3 (15.Qf3 Bb7 16.Qe2 Bg2 17.Kg2 b5=) 15...Qc7 16.d4 c4 17.a4 b5 (better is 17...Bh3!? 18.Re1 e5-/+) 18.ab5 ab5 (< 18...Bh3 19.ba6 Bf1 20.Qf1+/-; < 18...Rb5 19.Bg2=) 19.Ra5 Bh3 20.Re1 Ra8?? (20...e5 21.Qd2-/+) 21.Qa1 (better is 21.Ba8 e5 22.Qf3+-) 21...Rab8 (better is 21...Ra5!? 22.ba5 Bc8-/+) 22.Ra7 Qd8 23.Qa5 e6?? 24.Ra1?? d5 25.Qd8 Rfd8 26.e4 g5 27.ed5 ed5 28.Bc1 g4 29.Bg2 Bg2 30.Kg2 h5 31.Bf4 Ra8?? 32.Ra8+- Ra8 33.Ra8 Kh7 34.Rb8 Bh6 35.Bh6 Kh6 36.Rb5 Kg6 37.Rd5 Kf6 38.Rh5 Ke6 39.Rc5 (39.Rc5 f5 40.b5 Kf6 41.b6 Ke7 42.b7 Kd6 43.b8Q Ke7 44.Rc6 f4 45.Qb7 Kd8 46.Rc8#) 1–0. golfx – chesspirito, kurnik, 2012.

5.Nd2 a6 6.g3 d6 7.Bg2 Nbd7 8.Ngf3 Rb8 9.0-0 c5 10.c3 b5 11.Nb3 c4 12.dc4 bc4 13.Na5 Bb7 14.Nc4 Nb6 15.Na5 Na4?? (15...Be4!?+=) 16.Nb7 (16.Qa4 Be4+-) 16...Rb7?? (16...Nb2 17.Nd8 Nd1+/-) 17.Qb3 (better is 17.Qa4 Qb6 18.c4+-) 17...Qd7 18.Nd4 Rc7 19.Rac1 Ng4 20.e3 Rfc8 21.c4 e5 22.Ne2 Rb8 23.b5 Nc5= 24.Qc3 ab5 25.cb5 Qb5 26.Qb4 Qb4 27.ab4 Rb4 28.Ba3 Rb5 29.Bc5 Rbc5 30.Rcd1 Bf8 31.h3 Nf6 32.g4 Be7 33.f4 e4 34.Nd4 d5 35.f5 Rc3?? 36.Rde1?? g5 37.Nb5=+ h6 38.Nc7 (38.Nc7 Rc7 39.Rc1=). golfx – chesspirito, kurnik, 2012.

5.Nd2 Na6 6.Ngf3 c5 7.c3 d5 8.g3 cb4 9.ab4 Nc7 10.Bg2 e6 11.0-0 a6 12.Nd4 (12.c4 Bd7+=) 12...Bd7 13.N2f3 Nb5 (13...Qe7 14.Ne5=) 14.Nb3 (14.c4 Nd6+=) 14...Nd6 15.Re1 Rc8 16.Nc5 Bc6 17.Nd4 Qe8 18.Nc6 Qc6 19.Qb3 Nd7 20.Nd7 (20.e4!? de4 21.Ne4 Ne4 22.Be4+=) 20...Qd7= 21.Rec1 Nb5 c3 becomes the focus of attention 22.c4 dc4 23.dc4 Nd4 24.Qd1 Rfd8 25.Rab1 b6 (25...Rc4 26.Rc4 Nf3 27.Bf3 Qd1 28.Rd1 Rd1 29.Kg2 Bb2 30.Bb7 Rd6=) 26.h4 (26.e3 Nc6 27.Qd7 Rd7 28.Bg7 Kg7+=) 26...Nf5 (better 26...Rc4! 27.Rc4 Nf3 28.Bf3 Qd1 29.Rd1 Rd1 30.Kg2 Bb2=+) 27.Qb3 Bb2 28.Qb2 Qd2 (28...a5 29.ba5 ba5 30.c5=) 29.Rc2 (29.Bb7!? Rc7 30.Ba6+=) 29...Qd4= 30.Qa3 (30.c5!?=) 30...Rc4=+ 31.Rc4 (31.e3 Qd1 32.Rd1 Rd1 33.Kh2 Rc2-/+) 31...Qc4-/+ 32.Rc1 (32.e3 Rd2 33.Bf1 Qg4 34.Qa6 Ng3 35.Qa8 Kg7-+) 32...Qe2 33.Bf1 Qd2 34.Rc7 (34.Ba6 Ra8-+) 34...a5 35.ba5 Qa5 36.Qf3 Nd4?? (better 36...Qe1-+) 37.Qf7 (37.Qf7 Kh8 38.Qh7) 1-0. Zobbie (2580) - DarkWizard007 (2570), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Nd2 Na6 6.Ngf3 c5 7.c3 d5 8.g3 b6 9.Bg2 Bb7 10.0-0 Rc8 11.Qa4 e6 12.Ne5 Qc7 13.Ndf3 Rfd8 (13...Nh5 14.c4 d4 15.Rfe1=) 14.Rfc1 (14.b5 Nb8+=) 14...Nd7= 15.Nd7 Rd7 (15...Qd7 16.Qd7 Rd7 17.d4=) 16.Qb3 (16.b5!? Nb8 17.Qa7+=) 16...c4= 17.Qd1 cd3 (17...e5 18.d4=+) 18.ed3= Qd8 19.Qd2 Nb8 20.h4 (20.Qe2 Rdc7=) 20...h5 (20...Rdc7 21.Ra2=+) 21.a4 Nc6 22.a5 (22.Ra3 a5=) 22...ba5=+ 23.b5 Ne7 24.Ng5 (24.c4 dc4 25.Bg7 Kg7 26.Qc3 f6=+) 24...Qb6 (24...Nf5-/+) 25.Qf4? (better 25.c4!? dc4 26.Bb7 Bb2 27.Qb2=+) 25...Nf5-+ 26.g4? (26.Rcb1-+) 26...hg4 (26...Nh4 27.Bh1 Qb5 28.gh5 Qb2 29.Qh4 gh5 30.Qh5-+) 27.Qg4 (27.d4 Nh6-+) 27...Qb5 28.Ba3 (28.Rab1 Qd3 29.Bf1 Nh6-+) 28...Qd3 29.h5 (29.Bf1 Qd2 30.h5 Ne3-+) 29...Rc3 (29...Rc4 30.Qd1 Qd1 31.Rd1 gh5 32.Bb2-+) 30.hg6 (30.Qa4 Bc6 31.Qf4 Rc1 32.Rc1 Qa3 33.Rc6 gh5 34.Rc8 Bf8-+) 30...fg6 (better 30...Rc1 31.Bc1 Ba1-+) 31.Ne6 Ra3 32.Ra3 (32.Nc5 Qd2 33.Rab1-+) 32...Qa3 33.Rb1 (33.Rd1 Qe7 34.Nf4 Qf7 35.Ng6 Rd6-+) 33...Qd3 (33...Kh7 34.Ng5 Kh6 35.Qf4-+) 34.Rd1 Qb3 (34...Qc2 35.Ng7 Ng7 36.Be4-+) 35.Bf3 (35.Nc5 Qb5 36.Nd7 Qd7 37.Qg6-+) 35...Rf7 36.Qg6 (36.Nc5 Qc3 37.Nb7 Nh6-+ (37...Rb7?! 38.Bd5 Rf7 39.Qg6-+)) 36...d4 (better 36...Nh4 37.Rb1 Qf3 38.Qh7 Kh7 39.Ng5 Kg6 40.Nf3 Nf3 41.Kg2 Nh4 42.Kf1 Ba6 43.Kg1 Bd4-+) 37.Ng5 Bf3 38.Rb1 (38.Re1 Ne7 39.Qh7 Kf8 40.Ne6 Ke8 41.Ng7 Rg7 42.Qg7-+) 38...Qd5 (38...Qb1 39.Kh2 Qh1) 39.Rb8 Qd8 40.Qh7 (40.Qh7 Kf8 41.Rd8 Ke7 42.Nf7+-; 40.Rd8 Rf8 41.Qh7) 1-0. Zobbie (2580) - DarkWizard007 (2570), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Nd2 c6 6.g3 a5 7.Bg2 ab4 8.ab4 Ra1 9.Qa1 d5 10.Ngf3 Nbd7 11.0-0 Re8 12.c4 Nb6 13.b5 dc4 14.Nc4 cb5 15.Nce5 Nbd5 16.Rc1 Be6 17.Qa7 Qb6 18.Qb6 Nb6 19.Nd4 Bd5 20.Nb5 Bg2 21.Kg2 Nfd5 22.e4 Nb4 23.Rc7 Be5 24.Be5 Nd3 25.Rb7 Ne5 26.Rb6 e6 27.Nd6 Rd8 28.Nb5 Rd2 29.Kf1 Rb2 30.Rb7 Nd3 31.f4 Rh2 32.Nd6 Rf2 33.Kg1 Re2 34.e5 Ne1 35.Nf7 Nf3 36.Kf1 Ra2 37.Nd8 Nh2 38.Kg1 Nf3 39.Kf1 Nd2 40.Kg1 Ne4 41.Ne6 Ng3 42.Ng5 Ne2 43.Kf2 Nf4 44.Ke3 Ne6 45.Ke4 Ng5 46.Kd5 Rd2 0-1. Zobbie (2515) - beyondbirthday (2540), Rated bullet game, lichess.org, 2022.

5.Nd2 Nd5 6.g3?? Bb2-+ 7.Ra2 (7.Qb1 Ba1 8.Qa1 Nf6-+) 7...Bc3 (better is 7...Nc3 8.Rb2 Nd1 9.Kd1 d5-+) 8.Bg2 Bd2 9.Qd2 e6 10.c4 Nf6 11.e3 d5 12.cd5 Nd5 13.Ne2 c6 14.0-0 Nd7 15.Nc3 Nc3 16.Qc3 Qf6 17.Qf6 Nf6 18.e4 e5 19.Rd2 Be6 20.d4 Rad8 21.d5 cd5 22.ed5 Bd5 23.Bd5 Rd5 24.Rfd1 Rfd8 25.Rd5 Rd5 26.Rd5 Nd5 27.Kf1 Kf8 28.Ke2 Ke7 29.Kd3 Kd6 30.Ke4 Nc3 31.Kd3 Nb5 32.a4 Nd4 33.b5 a6 34.f4 ab5 35.fe5 Ke5 36.ab5 Nb5 37.Kc4 Nd6 38.Kc5 f5 39.h3 h5 40.h4 Ne4 41.Kb6 Ng3 42.Kb7 f4 43.Kc6 f3 44.Kc5 f2 45.Kc4 f1Q 46.Kc3 Qd1 47.Kb2 Kd4 48.Ka2 Qd3 49.Kb2 Kc4 50.Kc1 Qe2 51.Kb1 Kb3 52.Kc1 Qc2# 0–1. golfx – miras62, kurnik, 2012.

5.Nd2 Nd5 6.Bg7 Kg7 7.c4 Nf6 8.Ngf3 d6 9.g3 Nbd7 10.Bg2 e5 11.Qc2 Rb8 12.h4 b6 13.h5 Bb7 14.h6 Kg8 15.0-0 Ng4 16.d4 Nh6 17.de5 de5 18.c5 bc5 19.bc5 Bc6 20.Nc4 Qe7 21.Na5 Bf3 22.Bf3 Qc5 23.Qd2 Nf5 24.Nc6 Nd4 25.Nb8 Rb8 26.Rac1 Qd6 27.Qe3 Rb3 28.Rc3 Rb2 29.Rfc1 c5 30.Qe4 Nf6 31.Qa8 Kg7 32.Qa7 Ne2 33.Be2 Re2 34.Qc5 Qd2 35.Rf3 Ne4 36.Qe5 f6 37.Rc7 Kh6 38.Qf4 Qf4 39.Rf4 Re1 40.Kg2 Ng5 41.Rh4 1-0. Zobbie (2520) - SUperNoTCH (2650), Rated bullet game, lichess.org, 2024.

5.Nd2 e6 6.g3 d5 7.Bg2 b6 8.Ngf3 c5 9.c3 Nc6 10.0-0 Qc7 11.e3 Bb7 12.b5 Ne7 13.a4 Nf5 14.e4 (better is 14.Qc2!?=) 14...de4-/+ 15.de4 Ne4 16.Ne4 Be4 17.Re1 Bf3 (17...Rad8!? 18.Qb3 c4-+) 18.Bf3 Rad8 19.Qc2 Rd7 20.c4 Rfd8 21.Bg7 Ng7 22.Qe4 Rd4 23.Qc6 Rc4?? (23...Qc6 24.bc6 Rc4-+) 24.Qc7+- (24.Qc7 Rcd4 25.Qa7+-) 1–0. golfx – dulkam, kurnik, 2011.

5.Nd2 e6 6.g3 d5 7.Bg2 Nbd7 8.Ngf3 b6 9.0-0 Bb7 10.e3 e5 (10...c5 11.c4=) 11.c4 (better is 11.Ne5!? Ne5 12.Be5+/-) 11...e4= 12.de4 de4 13.Qc2?? (better is 13.Ng5 Re8 14.Qe2=) 13...ef3-+ 14.Nf3 Bf3 15.Bf3-/+ Ne8 16.Ba8 Qa8 17.Rad1 Bb2 18.Qb2 Ndf6 19.Qc3 Ne4 20.Qd4 N8f6?? 21.c5?? Re8?? 22.h3?? Qc8 23.cb6?? cb6 24.a4?? Qh3-+ 25.Rfe1 Ng4 26.Rd2 Qh2 27.Kf1 Nd2 28.Qd2 Qh1 29.Ke2 Qg2 30.Rf1 Nh2 31.Re1 Ng4 32.Rf1 f5 33.Qd7 Qe4 34.f3 Qc2 35.Qd2 Re3# 0–1. golfx – lukaszzaw, kurnik, 2012.

5.Nd2 e6 6.g3 Ne8 7.Bg2?? Bb2-+ 8.Ra2 Bg7 9.c4 c6 10.e4 d6 11.f4 Nd7 12.Ngf3 e5 13.h4 ef4 14.gf4 Nb6 15.h5 d5 16.c5 Nd7 17.e5 Nc7 18.d4 Re8 19.hg6 hg6 20.Ng5 f6 21.Ngf3 fe5 22.Ne5? Ne5 23.fe5 Be5! 24.de5 Re5 25.Kf1 Qf6 26.Nf3 Bg4 27.Rf2 Rf8 28.Qd2 Bf3 29.Bf3 Qg5 30.Qg5 Rg5 31.Rh3 Rgf5 32.Kg2 Ne6 33.Rf1 Ng5 34.Rg3 Nf3 35.Rgf3 Rf3 36.Rf3 Rf3 37.Kf3 Kf7 38.Kf4 Kf6 39.Kg4 g5 40.Kh5 Kf5 41.Kh6 g4 42.Kh5 g3 (42...g3 43.Kh4 g2 44.Kg3 g1Q 45.Kf3 d4 46.Ke2 Qe3 47.Kf1 d3 48.Kg2 d2 49.b5 d1Q 50.bc6 Qdg1) 0–1. cibis (1680) – hajek16 (1755), kurnik, 2011.

5.Nd2 Re8 6.Ngf3 e5 7.e4 d6 8.g3 h5 (8...a5 9.Bg2=) 9.Bg2= Nc6 10.0-0 Be6 11.Ng5 Bd7 12.c3 h4 (12...Qe7 13.h3=) 13.Qb3 hg3? (better 13...Qe7+=) 14.Qf7+- Kh8 15.hg3 Rf8 (15...Nh7 16.Ndf3 Ng5 17.Ng5 Qg5 18.Qd7+/-) 16.Qg6 Be8 (better 16...Kg8 17.Ngf3 Qe8+-) 17.Qf5?? (17.Qg7 Kg7 18.Ne6 Kg8 19.Nd8 Rd8+-) 17...Ne7?? (17...Bd7 18.Qg6 Be8 19.Qg7 Kg7 20.Ne6 Kf7 21.Nd8 Rd8+-) 18.Qh3+- Kg8 19.Qe6 Bf7 20.Nf7 Rf7 21.Bh3 (21.f4!? ef4 22.gf4 Qd7 23.Qd7 Nd7+-) 21...Kf8 22.Kg2 Ng6 (22...a5 23.Nf3 Bh6 24.d4 ed4 25.e5 de5 26.Ne5 Qd5 27.Qd5 Ned5 28.Nf7 Kf7 29.cd4+-) 23.Bf5 Re7 24.Qb3 Nh8 25.Rh1 Nf7 26.Rh4 c6 27.Rah1 Qb6 (27...b5 28.a4+-) 28.Nc4 Qc7 29.Ne3 Rd8 30.Bg6 d5 31.Nf5 Red7 32.Rh7! Nh7 33.Rh7 Nd6 (33...Bf6 34.ed5 cd5 35.Ne3+/-) 34.Qd1 (34.ed5!? cd5 35.Qd5 Nf5+-) 34...Nf5 35.Bf5 Rf7 36.Qg4 Qd6? (better 36...Bf6 37.Be6 Rh7 38.Qg8 Ke7 39.Qh7 Kd6 40.Qc7 Kc7+/-) 37.Bc1 de4 38.Be4 (better 38.Be6 Qd3 39.Be3 Rf2 40.Bf2 Qf3 41.Qf3 ef3 42.Kf3+-) 38...Qf6 39.Bf4?? (better 39.Be3 b6 40.Bg6+-) 39...ef4-+ 40.gf4? (40.Bg6 f3 41.Kh2 Qc3 42.Bf7 Kf7 43.Qf3 Kg8-+) 40...Qf4 (better 40...Qc3 41.Bg6 Re7-+) 41.Rg7 (41.Qf4 Rf4 42.Kg3-+) 41...Rg7 42.Qg7 Kg7 43.f3 (43.Kg1 Rf8 44.Kg2 Qf2 45.Kh3 Rf4 46.Bc6 Rh4) 43...Qd2 (43...Rh8 44.Bf5 Rh2 45.Kg1 Qg3 46.Kf1 Qf2) 44.Kg3 (44.Kg1 Rh8 45.c4 Rh2 46.Bc6 Qg2) 44...Qc3 (44...Rh8 45.Bh7 Kh7 46.f4 Rg8 47.Kf3 Qg2 48.Ke3 Re8 49.Kd4 Qd5) 45.Kg4 Qf6 (45...Kf6 46.f4 Rg8 47.Kh4 Qe1 48.Kh5 Qe2 49.Kh6 Qh2) 46.f4-+ Rh8 47.Kf3 Rh4 (47...Rh3 48.Ke2 Qb2 49.Kd1 Rg3 50.Bg2 Rg2 51.f5 Qd2) 48.f5-+ Qe5 49.Ke3 (49.f6 Qf6 50.Ke3 Rh3 51.Ke2 Rh2 52.Bg2 Rg2 53.Ke3 Rf2 54.d4 Qf3) 49...Qf4 (49...Rh3 50.Ke2 Qb2 51.Kd1 Rh2 52.f6 Kf6 53.Bg2 Qg2 54.d4 Qd2) 50.Ke2 Rh2 51.Ke1 (51.Bg2 Rg2 52.Ke1 Qc1) 51...Qd2 (51...Qc1) 52.Kf1 Qf2 (52...Qc1) 0-1. Zobbie (2590) - TeddyBear2005 (2680), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Nd2 Re8 6.g3 e5 7.Bg2 d5 8.c4 d4 9.Ngf3 b6?? (9...a5 10.0-0=) 10.0-0?? (better is 10.Ne5 Re5 11.Ba8+-) 10...Bb7 11.Qb3 Nc6 12.e3 de3 13.fe3 h5? 14.Rad1 h4? 15.Nh4 e4? 16.Ne4+- Ng4 17.Bg7 Kg7 18.Rde1 a5 19.c5 ab4 20.Qf7 Kh8 21.Ng6 1–0. golfx – raf19al89, kurnik, 2011.

5.Nd2 a5

6.e4 ab4 7.ab4 Ra1 8.Qa1 d6 9.Ngf3 Nc6 10.b5 Nb4 11.Qb1 d5 (11...c5 12.c3 Qa5 13.cb4 Qb4 14.Bc1+-) 12.c3 de4 13.de4 (13.Ne4?! Nbd5=) 13...Be6 (better 13...Nbd5 14.ed5 Bf5+-) 14.cb4 Qd6 (14...Bg4+-) 15.e5 (15.e5 Qb4 16.ef6 ef6 17.Bd4 Qb1 18.Nb1+-) 1-0. Zobbie (2600) - ViktorN (2570), Rated bullet game, lichess.org, 2021. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.e4 ab4 7.ab4 Ra1 8.Ba1 d6 9.e5 (9.Ngf3 e5=) 9...Nfd7 (9...de5 10.Be5 Nc6 11.Bc3-/+) 10.e6 (10.ed6 ed6 11.Bg7 Kg7=+) 10...fe6 11.Ngf3 Ba1 12.Qa1 e5 13.Qc3 Nf6 14.Be2 Nd5 15.Qb2 Nf4 16.c4? (better 16.Bf1-/+) 16...Ng2-+ 17.Kf1 Bh3 18.Ng1?! (18.Rg1 Nf4 19.Ke1 e6-+) 18...Nf4 (better 18...Ne3! 19.Ke1 Bg2 20.fe3 Bh1 21.Ngf3-+) 19.Nh3 Nh3 20.Bf3 Qd7 21.Bg2?? (21.Ke1 Nc6 22.Bc6 Qc6-+) 21...Qf5 (better 21...Rf2 22.Ke1 Rg2-+) 22.Bh3 (22.Ne4-+) 22…Qf2 0-1. kassanen (1760) - issichess (2255), Hourly Bullet Arena, lichess.org, 2020.

6.Ngf3 a4 7.c4 d5 8.g3 dc4 9.Nc4 c5 10.b5 Nbd7 11.Bg2 Nb6 12.Nfd2 Nbd5 13.0-0 Bg4 14.Re1 h5 15.h3 Be6 16.Qc2 Bh6 17.Rad1 Qb8 18.Ne4 Ne4 19.de4 Nf6 20.Be5 Qa7 21.Bc7 b6 22.Bb6 Qb8 23.Bc5 Rc8 24.Be7 Rc4 25.Qb2 Ne8 26.b6 Bg7 27.e5 Ra6 28.b7 Rc7 29.Qb4 Bd7 30.Rd7 Rd7 31.Rc1 Re6 32.Rc8 Qb7 33.Re8 Kh7 34.Qh4 Qb1 35.Kh2 Qf5 0-1. Zobbie (2545) - PerpetuumChessPlayer (2545), Rated bullet game, lichess.org, 2022. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 b6 7.g3 Bb7 8.Bg2 d6 9.0-0 Nbd7 10.Re1 e5 11.e4 c5 12.b5 a4 13.Nc4 Qe7 14.Ne3 Ne8 15.Nd5 Bd5 16.ed5 f5 17.d4 e4 18.Ng5 Qg5 19.dc5 Bb2 20.c6 Ba1 21.cd7 Bc3 22.de8Q Rfe8 23.Rf1 e3 24.fe3 Qe3 25.Kh1 Qd2 26.Qf3 Re3 27.Qf4 Re2 28.Qf3 Rae8 29.g4 R8e3 30.Qf4 Rg2 31.gf5 Ree2 32.fg6 Rh2 33.Kg1 Reg2 0-1. Zobbie (2510) - Afo1996 (2590), Rated bullet game, lichess.org, 2024.

6.Ngf3 b6 7.g3 c5 8.b5 Bb7 9.Bg2 e6 10.0-0 Qe7 11.Re1 d6 12.e4 Nbd7 13.Nc4 e5 14.a4 Rab8 15.Bc1 Ba8 16.c3 Rfd8 17.Qb3 Nf8 18.Bg5 h6 19.Bf6 Bf6 20.Ne3 Bg7 21.Nd2 Qe6 22.Nd5 Bd5 23.ed5 Qd7 24.h4 f5 25.Bh3 Nh7 26.Nc4 Nf6 27.Re2 Qc7 28.Rae1 Rf8 29.Ne5 de5 30.Re5 Rf7 31.Re7 Qd8 32.d6 Qf8 33.h5 Nh5 34.Qe6 Bf6 35.Rc7 Rd8 36.Bf5 gf5 37.Rf7 Qf7 38.Qf5 Ng7 39.Qg4 Rd6 40.d4 Bg5 41.dc5 bc5 42.Re5 Rg6 43.Qe4 Bf6 44.Re6 Kh7 0-1. Zobbie (2535) - angelito_78 (2510), Rated bullet game, lichess.org, 2022.

6.Ngf3 c5 7.b5 d5 8.g3 b6 9.Bg2 Bb7 10.0-0 Nbd7 11.a4 Qc7 12.e4 e5 13.Re1 c4 14.ed5 c3 15.d6 Qc8 16.Ba3 cd2 17.Qd2 Nd5 18.c4 Nb4 19.Bb4 ab4 20.Qb4 e4 21.de4 Ba1 22.Ra1 Qc5 23.Qc5 Nc5 24.e5 Ra4 25.Rd1 Rc4 26.Nd4 Bg2 27.Kg2 Rd4 28.Rd4 Rd8 29.f4 Kf8 30.Rc4 Ke8 31.Kf3 Ra8 32.g4 Kd7 33.f5 Ra4 34.Rc3 h5 35.h3 gf5 36.gf5 Rb4 37.Ra3 Rb3 38.Rb3 Nb3 39.Kf4 Nd4 40.Kg5 Nb5 41.Kf6 Nd6 42.ed6 b5 43.Kf7 b4 44.Kg7 b3 45.f6 b2 46.f7 b1Q 47.f8Q Qg1 0-1. Zobbie (2505) - summergeorge (2505), Rated bullet game, lichess.org, 2022. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 c6 7.g3 d5 8.Bg2 ab4 9.ab4 Ra1 10.Qa1 Na6 11.c3 Qc7 12.0-0 e5 13.e4 de4 14.de4 Rd8 15.Re1 Be6 16.Nf1 Nd7 17.Ng5 f6 18.Ne6 Qc8 19.Nd8 Qd8 20.Ne3 Qc7 21.Qa2 Kh8 22.Qf7 Nf8 23.Qe8 Qd6 24.Rd1 Qc7 25.Rd8 h6 26.Qg6 Qd8 27.Qf7 Qd2 28.Nf5 Qg5 29.h4 Qg6 30.Qb7 Nb4 31.cb4 Kh7 32.Bf3 h5 33.Qc6 Kh8 34.b5 Qf7 35.b6 Qb3 36.Bc3 Qb1 37.Kg2 Ng6 38.Qc7 Ne7 39.Qe7 1-0. Zobbie (2530) - Dr_Nezard (2530), Rated bullet game, lichess.org, 2021.

6.Ngf3 d5 7.g3 Nc6 8.b5 Nb8 9.Bg2 Nbd7 10.0-0 b6 11.c4 Bb7 12.cd5 Bd5 13.Re1 c5 14.bc6 Bc6 15.Rc1 Rc8 16.Qb3 Nc5 17.Qa2 Na4 18.Be5 Bd5 19.Qa1 Qd7 20.Nc4 Qb7 21.Rb1 Bc4 22.dc4 Rc4 23.Nd4 Qa6 24.Nc6 e6 25.Bf6 Bf6 26.Qf6 Rc6 27.Bc6 Nc5 28.Red1 Qe2 29.h4 Nd3 30.Qd4 Ne5 31.Bg2 f6 32.Qe4 Qa2 33.Rb6 Re8 34.h5 Qa3 35.h6 Qe7 36.Rb7 Qf8 37.Rg7 Kh8 38.f4 Nf7 39.Rd7 Nh6 40.Rh7 Kg8 41.Qg6 1-0. Zobbie (2550) - GildardoGarcia (2540), Rated bullet game, lichess.org, 2024.

6.Ngf3 d5 7.g3 Nc6 8.b5 Nb8 9.Bg2 Nbd7 10.0-0 Nb6 11.c4 dc4 12.dc4 Be6 13.Qc2 Bf5 14.e4 Bg4 15.Ne5 Be6 16.Rfd1 Qc8 17.Ndf3 Nbd7 18.Nd3 Ne4 19.Bg7 Kg7 20.Nf4 Bf5 21.Nh4 Nd6 22.Qb2 Kg8 23.Nd5 Re8 24.c5 Nc5 25.Qe5 f6 26.Nf6 ef6 27.Qc5 Re5 28.Rd5 b6 29.Qd4 Nb5 30.Rb5 Rb5 31.Qc4 Kg7 32.Qb5 1-0. Zobbie (2520) - DMX92 (2500), Rated bullet game, lichess.org, 2023.

6.Ngf3 d6 7.g3 e5 8.Bg2 Nc6 9.b5 Ne7 10.a4 h6 11.0-0 Be6 12.c4 Qd7 13.Re1 Bh3 14.Bh1 Ng4 15.d4 f5 16.de5 de5 17.e4 f4 18.c5 fg3 19.hg3 Kh7 20.Nc4 The pressure on the isolated pawn grows 20...Qe6 21.Qc2 Rad8 (21...b6 22.Qc3+=) 22.Rad1 Nf6? (better 22...b6!?+=) 23.Nfe5 (23.Rd8 Rd8 24.Be5 c6+-) 23...Bg4 (23...Rd1 24.Rd1 Ng4+-) 24.Ng4 Qg4 (24...Ng4 25.Rd8 Rd8 26.Bg7 Kg7 27.Qc3 Kh7 28.Bf3+-) 25.Rd8 Rd8 26.Ne5 (26.Bf6!? Bf6 27.e5 Bg7+-) 26...Qe6 27.Nf3 Ng4 28.Nh4 (28.e5!?+-) 28...Bb2+/- 29.Qb2 Rf8 30.Rf1 Ng8 (30...Kg8 31.Qc3+/-) 31.Qe2 (31.e5 Qe5 32.Qe5 Ne5 33.Bb7 Nd7+-) 31...N8f6+/- 32.f3 (32.e5 Qe5 33.Qc2 Qg5+-) 32...Ne5 (32...Nh5 A) 33.fg4?? Ng3 34.Rf8 Ne2 35.Kf2 Nc3-+ (35...Qg4?! 36.Bf3 Qh4 37.Ke2-+); B) 33.Qe1 Ngf6 34.f4+/- (34.Qa5?! Qe5=)) 33.Bg2 (33.f4 Nh5 34.Qe1+/- (34.fe5?? Ng3 35.Rf8 Ne2 36.Kf2 Nc3-+)) 33...Nh5+= 34.Kh2 Qe7 35.f4 (better 35.Qd2 Qc5 36.Qa5+=) 35...Nf7?? (better 35...Nf4 36.Rf4 Rf4 37.Ng6 Kg6 38.gf4 Qh4 39.Bh3 Qf4 40.Kg2 Qg5 41.Kh2 Qf4 42.Kg2 Qg5 43.Kh2 Qf4=) 36.Qg4 White plans f5 (36.f5 Ng3 37.fg6 Kg7 38.Kg3 Qe5 39.Rf4 Qg5 40.Qg4 Ne5 41.Qg5 hg5 42.Nf5 Kg6+-) 36...Qf6 (36...Rg8 37.e5 Qc5+-) 37.e5 Qg7 38.f5 (better 38.Re1 Nh8 39.Be4+-) 38...Ne5 39.fg6 Ng6?? (better 39...Qg6 40.Qg6 Ng6 41.Rf8 Nf8 42.Bb7 Nf6+-) 40.Qg6 (better 40.Rf8 Nf8 41.Qh5+-) 40...Qg6+= 41.Ng6 Rf1 42.Bf1 Kg6 43.c6 b6 (43...bc6 44.bc6 Nf6 45.Kh3=) 44.Bd3+= Kf6 45.Kg2 Ng7 46.Kf3 Ne6 47.Be4 (better 47.Kg4!?=) 47...Nc5 48.Kg4?? (better 48.Bc2 Ke5 49.Kg4=+) 48...Na4 (48...Ne4 49.Kh5 Ng3 50.Kg4 Ne4-+) 49.Kh5 Nc5 (better 49...Nc3 50.Bd3 Kg7-+) 50.Kh6?? (better 50.Bb1-+) 50...Ne4 51.g4 Ng5 (51...Ng5 52.Kh5 a4 53.Kh4 a3 54.Kg3 a2 55.Kf2 a1Q 56.Ke2 Qc3 57.Kd1 Ne4 58.Ke2 Qd2 59.Kf3 Ke5 60.g5 Kf5 61.g6 Qf2) 0-1. Zobbie (2575) - MrCandidateMoves (2715), Rated bullet game, lichess.org, 2021. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 d6 7.g3 e5 8.Bg2 Re8 9.0-0 Nc6 10.b5 10...Ne7 11.e4 h6 12.Re1 Nd7 13.d4 a4 14.Nc4 ed4 15.Bd4 Nf6 16.Qd2 Be6 17.Qc3 (17.Nb2=) 17...Nh5 (better 17...Bc4!? 18.Bf6 Bf6 19.Qf6 Bb5=) 18.Bg7 Ng7 19.Rad1 Qd7 20.Nd4 Bc4 21.Qc4 Ne6 22.Nf3 Nc8 23.Ne5 Qe7 24.Ng4 h5 25.Ne3 Nb6 26.Qc3 Nc5 27.h4 (27.f4 Rad8+=) 27...Qe5 28.Qe5 Re5 29.f3 Rae8 30.Kf2 Kg7 31.Rd4 Ne6 32.Rb4 Nc5 33.Re2 (better 33.Rd4!?=) 33...f5-/+ 34.ef5? (better 34.Rd4 fe4 35.fe4 Ne4 36.Be4 Re4 37.Re4 Re4 38.Kf3-/+) 34...Re3?? (better 34...Nd5 35.f6 Kf8-+ (35...Nf6?! 36.Rd4=)) 35.Re3+= Re3 36.Ke3 Nd5 37.Kd4 Nb4 38.ab4 a3 39.Kc3 (39.bc5 a2 40.cd6 a1Q 41.Kc4 cd6 42.fg6 d5 43.Kb4 Qb2 44.Ka5 Qc2-+) 39...Nd7 (better 39...Na4!? 40.Kb3 gf5+=) 40.fg6+- Nb6 41.Kb3 Nd5 42.Ka3 (better 42.f4!? Nb4 43.c3+- (43.Kb4?? a2-+; worse 43.Bb7 a2 44.Kb2 Nc2 45.Ka2 Nd4+/-)) 42...Ne3+/- 43.Bh3 Nc2 44.Kb3 Nd4 45.Kc4 Nf3 46.Kd5 Kg6 47.b6! cb6 48.Kd6 Nd4 49.Kc7 b5 50.Kb7 Nc2 51.Kb6 Nb4 52.Kb5 Nd3 (52...Nc2 53.Kc5 Ne1 54.Kd5=) 53.Kc4 (53.Bg2 Nc1+=) 53...Nf2 (53...Ne5 54.Kd5 Nf3 55.Ke6=) 54.Bg2+= Ng4 (54...Kf5!?+=) 55.Kd4 Kf5?? (55...Kf6 56.Bf3 Nh6 57.Be4+/- (worse 57.Bh5 Nf5 58.Kd3 Nh4=)) 56.Be4 (better 56.Bh3+-) 56...Kf6+/- 57.Kd5 (better 57.Kd3+/-) 57...Nf2?? (better 57...Ne3 58.Kc5 Nf1=) 58.Bf3+- Kg6 59.Ke5 (better 59.Kd4 Kf5 60.Bh5+-) 59...Nh3? (better 59...Nd3 60.Kd4 Ne1 61.Be4 Kf6+-) 60.Ke4 Ng1 61.Kf4 (61.Bd1 Kh6+-) 61...Nh3?? (better 61...Nf3 62.Kf3 Kf5+/-) 62.Ke4 Nf2?? (62...Ng1 63.Bd1+-) 63.Kf4 Kh6?? (63...Nh3 64.Ke3 Kh6+-) 64.Be4 (better 64.Ke3 Nh3 65.Bg2+-) 64...Nd1 65.Bf5 (65.Kf3 Nb2+/-) 65...Nc3 (65...Nf2 66.Bd7 Nh1 67.g4 hg4 68.Bg4=) 66.Ke5 (better 66.Bd3!?+/-) 66...Ne2= 67.g4 hg4 68.Bg4 Ng3 69.Bf3 Nf1 0-1. Zobbie (2530) - yepun (2620), Rated blitz game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 d6 7.g3 e5 8.Bg2 Re8 9.e4 Nc6 10.c3 Bg4 11.h3 Be6 12.Ng5 Bd7 13.Qb3 Qe7 14.0-0 h6 15.Ngf3 Be6 16.Qc2 d5 17.Rfe1 Rad8 18.Rad1 Qd7 19.Nb3 b6 20.Kh2 de4 21.de4 Qe7 22.Nfd2 Nh5 23.Nf1 a4 24.Nbd2 b5 25.c4 Nd4 26.Bd4 ed4 27.cb5 d3 28.Qc1 Bd4 29.Ne3 Qf6 30.Nf3 Ba7 31.e5 Qe7 32.Qc3 Qd7 33.Nd2 Ng7 34.Ne4 Nf5 35.Nf6 Kg7 36.Nd7 Rd7 37.Nf5 Bf5 38.Be4 Be6 39.Rd3 Rde7 40.Rd5 Bf2 41.Rf1 Bg3 42.Qg3 h5 43.Qf4 h4 44.Qf6 Kg8 0-1. Zobbie (2505) - markus4 (2675), Rated bullet game, lichess.org, 2022.

6.Ngf3 ab4 7.ab4 Ra1

8.Qa1 Na6 9.b5 Nc5 10.g3 d6 11.Bg2 Bd7 12.c4 e5 13.0-0 Ne6 14.h4 h6 15.Bc3 Ng4 16.Qb2 f5 17.e3 f4 18.ef4 Rf7 19.fe5 de5 20.Ne5 Ne5 21.Be5 Qf8 22.Bb7 Nc5 23.Bg7 Be6 24.Bf8 1-0. Zobbie (2555) - TheranosIsLegit (2515), Rated bullet game, lichess.org, 2024. (=1.a3 g6 2.b4 Nf6 3.Bb2 Bg7 4.d3)

8.Qa1 Na6 9.b5 Nc5 10.g3 d6 11.Bg2 e5 12.c4 Bg4 13.0-0 Nh5 14.h3 Bf3 15.Nf3 f5 16.Qa7 f4 17.g4 Nf6 18.Ba3 Nfd7 19.Bb4 b6 20.Nd2 h5 21.Nf3 hg4 22.hg4 Qf6 23.g5 Qf5 24.Qc7 e4 25.de4 Qe4 26.Qd6 Qe2 27.Re1 Qd3 28.Bc5 Nc5 29.Qb6 Ne4 30.Qe6 Kh7 31.Qe4 Qe4 32.Re4 Rf7 1-0. Zobbie (2560) - Riabko_A (2505), Rated bullet game, lichess.org, 2022. (=1.a3 g6 2.b4 Nf6 3.Bb2 Bg7 4.d3)

8.Qa1 b5 9.Nb3 Nc6 10.c3 d6 11.g3 e5 12.Bg2 Ne7 13.0-0 Be6 14.Na5 Qd7 15.Ng5 h5 16.Ne6 Qe6 17.e4 Ra8 18.Qd1 Qd7 19.d4 ed4 20.cd4 Re8 21.d5 Ng4 22.Bg7 Kg7 23.Qd4 Kh7 24.f4 Ng8 25.h3 N4f6 26.e5 de5 27.fe5 Qe7 28.ef6 Nf6 29.Qf6 Qe3 30.Kh2 Re7 31.Nc6 Rd7 32.Ne5 Re7 33.Nf7 Kg8 1-0. Zobbie (2550) - CroutOnYouTube (2515), Rated bullet game, lichess.org, 2022. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Qa1 b5 9.g3 Bb7 10.Bg2 d6 11.0-0 Nbd7 12.c4 bc4 13.Nc4 e5 (13...Qb8 14.Qa4=) 14.Na5 (14.Nfe5 Bg2 15.Nd7 Qd7 16.Kg2 Qc6 17.e4 d5+/-) 14...Ba8= 15.Rc1 h5 (15...Nd5 16.b5=) 16.b5 Nb6 17.Nc6 Bc6 18.bc6 (18.Rc6 Nfd5+/-) 18...Nbd5 19.h4 (19.e4 Nb6+=) 19...Ng4 20.Ng5 Qf6 (20...Nb6 21.Rb1=) 21.Ne4 (21.Qa7!? Nb6 22.f3+-) 21...Qd8 22.Ng5 Nb6 23.Bc3 Qf6 24.Rf1 (24.Ne4 Qe7=) 24...d5 25.Qa7 (25.Bb4 Ra8 26.Qc1 Qd8=) 25...Qd6 Black intends d4 (25...Qc6 26.Qa3-/+) 26.Qa5 (better 26.Qb7 f6 27.Nh3+=) 26...d4?? (better 26...Qc6 27.Qa3 Ra8-/+) 27.Bb4+- Qd8 28.Bf8 Bf8 29.Qb5 Bd6 30.Ne4 f5 31.Ng5 Qf6 Black prepares f4 (31...Qe7 32.Ra1 f4 33.gf4 ef4 34.Qb2+-) 32.Qb3 Kg7 33.Ra1 f4 (33...Qe7 34.Ra7 f4 35.Qb6 fg3 36.fg3+-) 34.Ne4 (34.Ra7 fg3 35.f3 Ne3 36.Qb6 Qe7+-) 34...Qf7? (34...Qd8+-) 35.Qf7 Kf7 36.Nd6 cd6 37.Ra7 Ke6 38.c7 (better 38.gf4 ef4 39.Ra6+-) 38…Nf6 (38...Nf6 39.Bh3 Ng4+-). Zobbie (2560) - robertosalgado (2555), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Qa1 b5 9.g3 Bb7 10.Bg2 d6 11.Nb3 Nbd7 12.Na5 Ba8 13.0-0 Nb6 14.Rc1 Nbd5 15.Qa3 Nb6 16.c4 bc4 17.dc4 Qd7 18.b5 Rb8 19.Nd4 Bg2 20.Kg2 Ng4 21.Ndc6 Re8 22.Bg7 Kg7 23.Qc3 Kg8 24.Rd1 Qf5 25.f3 Nf6 26.e4 Qh5 27.Nb4 Nbd7 28.Nd5 Nc5 29.Nc7 Rc8 30.b6 Nfd7 31.Rb1 Rb8 32.Nc6 Rb6 33.Ne7 Kf8 34.Rb6 Nb6 35.Ned5 Nd5 36.Nd5 Ne6 37.Qh8 1-0. Zobbie (2520) - CoachRoelAbelgas (2630), Rated bullet game, lichess.org, 2023. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Qa1 b6 9.g3 Bb7 10.Bg2 d6 11.0-0 Nbd7 12.b5 Qa8 13.c4 Nh5 14.Bg7 Ng7 15.Nh4 Bg2 16.Ng2 Qb7 17.Qb2 Ra8 18.Ra1 Ne6 19.Ne3 Nf6 20.Nb1 Ra1 21.Qa1 c6 22.Nc3 cb5 23.Nb5 Nc5 24.Qd4 h5 25.h3 Qa8 26.Nd5 Nd5 27.cd5 Qa2 28.Nc3 Qa1 29.Kg2 Nb3 30.Qc4 Nd2 31.Qc8 Kg7 32.Ne4 Qf1 33.Kh2 Qe2 34.Nd2 Qd2 35.Kg2 Qd3 36.Qc6 Qe4 37.Kg1 Qe1 38.Kg2 Qe4 39.Kg1 Qd4 40.Qb7 Qc5 41.Kg2 Kf6 42.h4 Ke5 43.Kg1 Qd5 0-1. Zobbie (2535) - juniorpov (2540), Rated bullet game, lichess.org, 2021. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Qa1 b6 9.g3 Bb7 10.Bg2 d6 11.0-0 Nbd7 12.b5 e6 13.Nd4 Bg2 14.Kg2 Qa8 15.Nc6 Nh5 16.Bg7 Ng7 17.Nb3 e5 18.e4 Ne6 19.f4 f6 20.Qd1 Qa4 21.c4 Ndc5 22.Nc5 Nc5 23.Qg4 Qc2 24.Rf2 Qd3 25.fe5 Qe4 26.Qe4 Ne4 27.Re2 f5 28.e6 Re8 29.e7 Kf7 30.g4 Nc5 31.gf5 gf5 32.Rf2 Kf6 33.Kf3 Nd3 34.Rg2 Ne5 35.Kf4 Nc6 36.bc6 Re7 37.Rg8 Re4 38.Kf3 Rc4 39.Rh8 Rc6 40.Rh7 b5 41.Ke3 Ke5 42.Kd3 Rb6 43.Re7 Kd5 44.Re2 b4 0-1. Zobbie (2515) - Inferna1 (2590), Rated bullet game, lichess.org, 2023. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Qa1 d5 9.g3 Nc6 10.b5 Nb4 11.Qb1 d4 12.Bd4 Nbd5 13.c4 Nb6 14.Bg2 Re8 15.0-0 Bf5 16.Qa1 Nh5 17.Bg7 Ng7 18.Nd4 Bc8 19.N4b3 e5 20.Nc5 Qd6 21.Nb7 Bb7 22.Bb7 f5 23.Bc6 Rf8 24.Qc3 Ne6 25.Rc1 Nd4 26.Re1 Nc6 27.bc6 Qc6 28.Qe5 Re8 29.Qd4 Nd7 30.Nf3 Nc5 31.Qd5 Qd5 32.cd5 Nd3 33.ed3 1-0. Zobbie (2595) - joSechess1994 (2520), Rated bullet game, lichess.org, 2022.

8.Qa1 Nc6

9.b5 Nb4 10.Qb1 c6 11.Bf6 Nc2 12.Qc2 Bf6 13.bc6 bc6 14.e3 Qa5 15.Be2 Qa1 16.Qd1 Qa5 17.0-0 Ba6 18.Ne4 Bg7 19.d4 Be2 20.Qe2 Qh5 21.h3 d5 22.Nc5 e5 23.de5 Be5 24.Nd7 Re8 25.Nde5 Re5 26.Qa6 Rf5 27.Qc6 Qh6 28.Nd4 Rg5 29.Qc8 Kg7 30.Rc1 Qh4 31.Rc7 Rg2 32.Kg2 Qg5 33.Qg4 Qe5 34.Qf4 Qf4 35.ef4 g5 36.f5 Kf6 37.Rc6 Ke5 38.Nf3 Ke4 39.Kg3 Kd3 40.Ng5 d4 41.Nf7 Ke2 42.Rd6 d3 43.Rd3 Kd3 44.Ng5 h5 45.Nh7 Ke4 46.Kh4 Kf5 47.Kh5 Ke6 48.h4 Ke7 49.Ng5 Kf8 50.f4 Kg7 51.Nh3 Kh8 52.Kg4 Kg8 53.Ng5 Kg7 54.h5 Kh8 55.h6 Kg8 56.f5 1-0. Zobbie (2535) - rkurayan (2550), Rated bullet game, lichess.org, 2021. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.b5 Nb4 10.Qb1 c6 11.Bf6 Bf6 12.Qb4 Qb6 13.e3 d6 14.Be2 Be6 15.0-0 Ra8 16.Nc4 Bc4 17.dc4 c5 18.Qb3 Qa5 19.Nd2 Qd2 20.Bd3 Ra1 21.Ra1 Ba1 22.g3 h5 23.h4 Bf6 24.Qa2 Kg7 25.Kg2 g5 26.hg5 Bg5 27.Qa7 Be3 28.Qb7 Qf2 29.Kh3 Qf1 30.Qg2 Qg2 31.Kg2 Bg5 32.b6 f6 33.b7 1-0. Zobbie (2510) - WandaMaximoff7777777 (2515), Rated bullet game, lichess.org, 2024. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.b5 Nb8 10.g3 c6 11.bc6 bc6 12.Bg2 Ne8 13.0-0 d5 14.c4 Nd7 15.Rc1 Ndf6 16.Ne5 Bd7 17.Qa6 Nc7 18.Qb7 dc4 19.Ndc4 Ncd5 20.Nd7 Qd7 21.Qa6 h5 22.Ne5 Qe6 23.Qc6 Qc6 24.Nc6 e6 25.h3 Kh7 26.Bf6 Nf6 27.Ne5 Kg8 28.Nf3 Bh6 29.Rc7 Rd8 30.Rb7 Rc8 31.Ne5 Rf8 32.Bf3 Bg7 33.Kg2 Nh7 34.Nd7 Rd8 35.Nc5 Ng5 36.h4 Nh7 37.Ne4 Nf6 38.Ng5 Rf8 39.e4 Bh6 40.d4 Bg5 41.hg5 Nh7 42.d5 Ng5 43.d6 e5 44.d7 Rd8 45.Be2 Kg7 46.Bc4 Ne6 47.Be6 fe6 48.Rc7 Kf6 49.Rc8 Ke7 50.Rd8 Kd8 51.f4 Kd7 52.fe5 Ke7 53.Kh3 Kf7 54.g4 Kg7 55.g5 h4 56.Kh4 Kf7 57.Kg3 Ke7 58.Kf4 Kd7 59.Kg3 Kc6 60.Kf4 Kb5 61.Ke3 Kb4 62.Kf4 Kb3 63.Kf3 Kb2 64.Kf4 Kb3 65.Ke3 Kb4 66.Kd4 Kb5 67.Kc3 Kb6 68.Kd3 Kb7 69.Ke3 Kc7 70.Kf4 Kd7 71.Kg4 Kc6 72.Kf4 Kc5 73.Kg3 Kc4 74.Kf4 Kc3 75.Kg3 Kc2 76.Kh4 Kc3 77.Kg3 Kc4 78.Kh4 Kc5 79.Kg3 1-0. Zobbie (2540) - CroutOnYouTube (2525), Rated bullet game, lichess.org, 2022. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.b5 Nb8 10.g3 d5 11.Bg2 c6 12.bc6 Nc6 13.0-0 Bf5 14.c4 dc4 15.Nc4 e6 16.Rb1 Nh5 17.Bg7 Ng7 18.Rb7 Qa8 19.Qb2 Nh5 20.h3 Nf6 21.g4 Ng4 22.hg4 Bg4 23.Nfe5 Ne5 24.Ne5 Bf5 25.Nd7 Rd8 26.Nf6 Kg7 27.Nh5 Kh6 28.Qg7 Kh5 29.Bf3 Kg5 30.Qf7 Qa1 31.Kh2 Qe5 32.Kg2 h5 33.Qe7 Qf6 34.Qb4 Rd4 35.Qe7 Qe7 36.Re7 Kf6 37.Re8 Ra4 38.Ra8 Ra8 39.Ba8 h4 40.Bf3 g5 41.Kh2 g4 42.Bg2 Ke5 43.e3 Bd3 44.Bh1 Bf5 45.Bg2 h3 46.Bf1 Kf6 47.Kg3 Kg5 48.Be2 e5 49.Bc4 e4 50.Bd5 Bg6 51.Kh2 Bf5 52.Kg3 Bg6 53.Be4 Bf5 54.Bf5 Kf5 55.f3 gf3 56.Kf3 h2 57.e4 Ke5 58.Ke3 h1Q 59.Kd3 Qe4 60.Kc3 Qd4 61.Kb3 Ke4 62.Ka3 Qd3 63.Ka2 Ke3 64.Kb2 Qd2 65.Kb3 Qc3 66.Kc3 ½-½. Zobbie (2535) - HarutyunAbgaryann (2515), Rated bullet game, lichess.org, 2024.

9.b5 Nb8 10.g3 d6 11.Bg2 e5 12.0-0 Re8 13.e4 c6 14.bc6 Nc6 15.Nc4 Be6 16.Qa4 Qa8 (16...Qc7 17.Ng5=) 17.Qb5 (17.Qa8 Ra8 18.Nd6 Bf8+/-) 17...Qa6 (17...Na7 18.Qb4 Nc6 19.Qc3=) 18.Qa6 (better 18.Nd6!? Rd8 19.Ra1 (19.Qb7?! Qb7 20.Nb7 Rb8+=) 19...Qb5 20.Nb5+-) 18...ba6+= 19.Nd6 Rb8 (19...Rd8 20.Ne5 Rd6 21.Nc6 Rc6 22.Bf6 Bf6 23.e5 Rc2 24.ef6+/-) 20.Ba3 (20.Be5 Ne5 21.Ne5 Rb2+/-) 20...Nd7 21.Ng5 Nb4 (21...Nd4!? 22.Ne6 fe6+=) 22.Ne6+/- fe6 23.Bb4 Rb4 24.Nc4 Ra4 25.Rb1 Ra2 26.Ne3 (26.Bh3 Nf8+-) 26...Bh6+/- 27.Rc1 (27.Rb7 Ra1 28.Bf1 Be3 29.fe3 Nf6+/-) 27...a5+= 28.Bh3 Kf7 29.Kf1 a4 30.Ke1 a3 31.Kd2 Nc5 32.Kc3 Rb2 33.Ra1 Na4 34.Kd2 a2 35.Kc1 Ke7 (35...Bf8 36.Nc4 Bh6 37.f4 ef4 38.Nb2 fg3 39.Kd1 Nb2 40.Ke1 gh2 41.Bg2+=) 36.Bf1+= Kd6 37.h4 Kc5 38.Bh3 Kd6 39.Bg2 (better 39.f4!? Rb1 40.Rb1 ab1R 41.Kb1 ef4 42.e5 Ke7 43.Ng4+/-) 39...Kc5= 40.Bh3 Rb6?? (better 40...Kd6=) 41.g4?? (better 41.Ra2 Be3 42.fe3+-) 41...Nc3 42.Ra2? (42.Kd2 Be3 43.Ke3 Rb1 44.Ra2 Na2-+) 42...Na2 (42...Be3!? 43.fe3 Na2 44.Kd2-+) 43.Kd2 Rb1 (better 43...Be3 44.Ke3 Rb2-+) 44.g5 Bg7 (44...Bf8 45.Be6 Nb4 46.Bg8-/+) 45.Be6-/+ Nb4 46.Nc4? (46.Bg8!? h6 47.h5 gh5 48.Nf5-+) 46...Ra1 (46...Rh1 47.Na5-+) 47.Nb2 (better 47.Bg8 h6 48.Bf7-+) 47...Rb1 (47...Rh1!? 48.Kc3-+) 48.Nd1?? (48.Nc4 Rh1-+) 48...Nd3?? (better 48...Nc6-+) 49.Kd3?? (49.cd3 Bf8 50.Ke2=) 49...Rb6 (better 49...Rd1 50.Ke2 Rh1 51.Kf3 Rh4 52.Bg4-+) 50.Nc3?? (better 50.Bg8 Rd6 51.Bd5+/-) 50...Re6-+ 51.Nd5 Rd6 0-1. Zobbie (2550) - JonasPradoLobo (2705), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Qa1 d6

9.b5 e5 10.g3 Nbd7 11.Bg2 Nc5 12.0-0 h6 13.e4 Nh5 14.d4 ed4 15.Bd4 Bd4 16.Qd4 Qf6 (16...Re8 17.Re1+=) 17.e5+/- Qg7 18.ed6 Qd4 19.Nd4 cd6 20.Ne4 Rd8 21.Re1 Ne4 22.Be4 Nf6 23.Bf3 Kf8 24.b6 d5 25.Nb5 Bd7 26.Nc7 Bc6 27.c4 dc4 28.Bc6 bc6 29.Na6 Nd7 30.b7 c3 (30...Nb8 31.Ra1 Ke7 32.Re1 Kf6 33.Nc5=) 31.Rc1 Nb8 32.Rc3 (better 32.Nc5=) 32...Na6-/+ 33.Rc6 Nb8 34.Rc7 Ke8 35.Kg2 Na6 (better 35...Nd7 36.Rc8 Ke7-/+) 36.Rc6= Nb8 37.Rc7 Nd7 38.Rc8 Ke7 39.f4 (39.Kf3!? Nb8 40.Ke4 Kd7 41.Rd8 Kd8-/+) 39...Nb8 40.Rc7 (better 40.f5-+) 40...Rd7 41.Rc5 Rb7 42.f5 Nd7 43.fg6 (43.Ra5-+) 43...Nc5 44.g7 Rb8 45.Kh3 Rg8 46.Kg4 Rg7 47.Kh5 (47.Kf3 f5-+) 47...Kf6 48.Kh6 (48.Kh4-+) 48...Ne6 (48...Ne4 49.Kh5 Nf2 50.Kh6 Ng4 51.Kh5 Kf5 52.h3 Rh7) 49.Kh5 Rh7 (49...Rg8 50.Kh4 Kf5 51.g4 Kf4 52.Kh3 Kf3 53.g5 Rh8) 50.Kg4-+ Rh2 51.Kf3 Ng5 52.Kg4 Kg6 (52...Re2 53.Kh5 Re1 54.Kg4 Kg6 55.Kh4 Kf5 56.g4 Kf4 57.Kh5 Rh1) 53.Kf4-+ f5 54.g4 (54.Ke3-+) 54...Rh3 55.gf5 Kf6 56.Kg4 Rf3 57.Kh4 (57.Kh5 Rf4 58.Kh6 Rh4) 57...Rf5 (57...Kf5 58.Kh5 Rh3) 58.Kh5 (58.Kg3 Ne4 59.Kg4 Rf2 60.Kh4 Kf5 61.Kh3 Rd2 62.Kh4 Rh2) 58...Rf3 (58...Rf4 59.Kh6 Rh4) 59.Kg4 Re3 (59...Kg6 60.Kh4 Kf5 61.Kh5 Rh3) 60.Kh4 (60.Kf4 Rd3 61.Kg4 Nh3 62.Kh4 Nf2 63.Kh5 Rh3) 60...Rf3 (60...Kf5 61.Kh5 Rh3) 61.Kh5?? (61.Kg4 Kg6 62.Kh4 Kf5 63.Kh5 Rh3) 61...Kf5 (61...Rf4 62.Kh6 Rh4) 62.Kh4 (62.Kh6 Ne6 63.Kh7 Rd3 64.Kg8 Kg6 65.Kh8 Rd8) 62…Rh3 0-1. Zobbie (2605) - Heinersolid (2645), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.g3 Nc6 10.b5 Nb4 11.Qb1 c5 12.Bg2 d5?? (12...Qa5 13.c3 Na2 14.c4=) 13.0-0 (better 13.c3!? Nd3 14.ed3+-) 13...d4 14.Nc4 Nbd5 15.e4 (15.e3 de3 16.fe3 Bd7+=) 15...de3 (15...Nb6!? 16.c3 Nc4 17.dc4 d3=) 16.fe3+= Ng4 (16...Bh6 17.Qe1+=) 17.Re1 (17.Bg7 Kg7 18.Qe1 Ngf6+/-) 17...f5 (17...Bh6!? 18.Qc1 Ngf6+=) 18.Bg7+/- Kg7 19.Qb2 Ngf6 20.e4 (20.Nfe5 Kg8+/-) 20...fe4+= 21.de4 Nb4 22.e5 Nfd5? (22...Ne8 23.Ne3+=) 23.e6 (23.Rd1!? Bg4 24.e6 Kg8+-) 23...Kg8 (23...Nf6 24.Qc3+=) 24.Ng5 (better 24.Rd1 Qe8 25.c3 Qb5 26.Nfe5 (worse 26.cb4 Qc4 27.bc5 Nc3-/+) 26...Nc3 27.Qc3 Be6 28.Ne3+/-) 24...Rf6?? (better 24...Nc7 25.Nb6 Qd2+=) 25.Qe5?? (better 25.Rd1 Be6 26.Ne6 Re6 27.c3+-) 25...Rf5-+ (25...Nc2? 26.Rd1 Nd4 A) worse 27.Bd5 Rf5 28.Qe4 Qd5-+ (worse 28...Rd5 29.Nf7 Qc7 30.Qd5 Be6 31.b6+/-; 28...Rg5?! 29.Ne5-+); B) 27.Qd5 Qd5 28.Bd5+-) 26.Qe2 Rg5 27.h4? (27.Qd1 Qe8 28.c3 Qb5-/+) 27...Rf5 (27...Rg3 28.Qf2 Rg4 29.Qf7 Kh8 30.Ne5 Rg2 31.Kg2 Nc2 32.Rc1-+) 28.Bh3? (better 28.Qd2 Qc7 29.c3 Qg3 30.cb4 cb4 31.Ne3-+) 28...Rf6 29.g4 (29.Qd2 Rf3 30.Re3 Re3 31.Ne3 Qd6 32.Nd5 Qd5 33.Qd5 Nd5-+) 29...Nc3 (better 29...Nf4 30.Qd1 Nh3 31.Kh2 Qd1 32.Rd1 Be6 33.Rd8 Rf8 34.Rf8 Kf8-+) 30.g5 (30.Qd2 Qd2 31.Nd2 Nc2 32.Re5-+) 30...Ne2 31.Re2 Qd1 (31...Qd1 32.Re1 Qe1 33.Kh2 Qf2 34.Bg2 Rf4 35.Kh1 Rh4 36.Bh3 Rh3) 0-1. Zobbie (2550) - VCHDauKhuongDuy2011 (2625), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.g3 Nc6 10.b5 Nb8 11.Bg2 Nbd7 12.0-0 c6 (12...Re8 13.Qa5=) 13.bc6+= bc6 14.c4 (14.Nd4 c5 15.Nc6 Qe8+=) 14...c5 15.Ne4 Bb7 16.Nf6 Nf6 17.Bc3 Qa8 18.Rb1 Qa1 19.Ba1 Ra8?? (better 19...Bc6=) 20.Bf6+- (20.Rb7?! Ra1 21.Bf1 Bf8=) 20...Bf6 21.Rb7 Ra1 22.Bf1 1-0. Zobbie (2585) - Maraphones (2630), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.g3 Nbd7 10.Bg2 e5 11.0-0 c6 12.c4 Qe7 13.b5 Re8 14.bc6 bc6 15.Ng5 Bb7 16.Qa7 Nc5 17.Rb1 Ra8 18.Qb6 Nfd7 19.Qb4 h6 20.Nge4 Ra4 21.Qc3 f5 22.Nc5 Nc5 23.Nb3 Nd7 24.Na5 Ba8 25.Nb3 Ra7 26.Na5 Rc7 27.Qb3 Qd8 28.Qb4 Nc5 29.Nb3 Nb3 30.Qb3 Kh7 31.Bc3 d5 32.Ra1 d4 33.Ba5 Rb7 34.Bd8 Rb3 35.Ra8 Rb1 36.Bf1 c5 37.Ra7 Kg8 38.Kg2 e4 39.Re7 ed3 40.ed3 Bf6 41.Rd7 Be5 42.Be2 h5 43.h4 f4 44.gf4 Bf4 45.Bf3 Rb3 46.Bd5 Kf8 47.Bf6 Rb8 48.Rf7 Ke8 49.Rh7 Bd6 50.Be6 Bf8 51.Rh8 Rb7 0-1. Zobbie (2545) - angelito_78 (2500), Rated bullet game, lichess.org, 2022. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.g3 e5 10.Bg2 Nc6 11.b5 Ne7 12.0-0 c5 13.e4 Bg4 14.h3 Bf3 (14...Bd7 15.c4=) 15.Bf3 (15.Nf3 Qb6 16.Qa4 Nc6+=) 15...Nc8 (15...Qd7 16.Nc4=) 16.Nc4 Nb6 17.Ne3 (17.Qa7 Nc4 18.dc4 Qe7+=) 17...Qd7 18.Kg2 (18.Qa5!? Qc7 19.Ra1+=) 18...Qb5=+ 19.Rb1 Qc6 20.Bc3 Nbd7 (20...Na4!?-/+) 21.Qb2= b5 (21...Rb8!?=) 22.Qb5+= Qc7 (22...Qb5 23.Rb5 Ra8 24.Nc4+=) 23.Ba5 (23.Qa6 Rb8 24.Ba5 Qc8 25.Qc8 Rc8+/-) 23...Qa7+= 24.Ra1 Ra8 25.Qc6 (better 25.Bc3 Qb8 26.Qb8 Rb8 27.Nc4+/-) 25...Qb8?? (better 25...Qa6 26.Qc7 Qb5+=) 26.Bc7+- Ra1 27.Bb8 Nb8 28.Qc8 (28.Qc8 Bf8 29.Qb8+-) 1-0. Zobbie (2605) - labestiatactica009 (2625), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.g3 e5 10.Bg2 Nc6 11.b5 Ne7 12.0-0 Re8 13.c4 Bg4 14.h3 Be6 15.Ng5 Bd7 16.Bb7 Qb8 17.Bg2 h6 18.Nge4 Nh7 19.Nc3 f5 20.Nd5 Nf6 21.Nf6 Bf6 22.Nb1 Kg7 23.Nc3 Qc8 24.Nd5 Nd5 25.Bd5 f4 26.h4 g5 27.hg5 hg5 28.Bg2 Rh8 29.d4 Qe8 30.de5 de5 31.Rd1 Bf5 32.b6 cb6 33.Qa7 Kg6 34.Qb6 Qe7 35.Qd6 Qh7 36.Be5 Qf7 37.Bd5 Qf8 38.Qf6 Qf6 39.Bf6 Kf6 40.gf4 gf4 41.Bf3 Rg8 42.Kf1 Bh3 43.Ke1 Re8 44.Kd2 Bf5 45.Kc3 Rc8 46.Rd6 Ke5 47.Rc6 Be6 0-1. Zobbie (2505) - kite1993 (2530), Rated bullet game, lichess.org, 2021. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.g3 Nh5 10.Bg2 Bb2 11.Qb2 Be6 12.Ng5 Bc8 13.0-0 e6 14.Nge4 Nc6 15.b5 Ne7 16.c4 Nf5 17.Nf3 d5 18.Nc5 b6 19.Na6 Nd6 20.cd5 ed5 21.Nd4 Ba6 22.ba6 c5 23.Bd5 cd4 24.a7 Nf6 25.a8Q Nd5 26.Qd5 Qe7 27.Qdd4 Nf5 28.Qh8 1-0. Zobbie (2560) - loser_never_win (2515), Rated bullet game, lichess.org, 2022. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Nd2 b6

6.e4 d6 7.Ngf3 Bb7 8.g3 c5 (8...Ne4!? 9.Bg7 Nd2=+) 9.Bg2= Nc6 10.c3 Nd7 11.0-0 (11.d4!?=) 11...cb4=+ 12.ab4 Nb4 13.Nc4 (13.cb4 Bb2 Pinning (13...Bb2 Deflection)) 13...Nc6 14.Re1 b5 15.Ne3 b4 16.Qd2 Nc5 17.Qc2 a5 18.cb4?? (better 18.d4 b3 19.Qd1 Ne4 20.Qb3=+) 18...Nb4-+ (18...ab4?! 19.Bg7 Kg7 20.Ra8 Qa8 21.d4=) 19.Qd2 Bb2 (19...Nbd3?! 20.Bg7 Ne1 21.Bf8 Ng2 22.Kg2 Qf8 23.Ra5 Be4 24.Rb5-+; 19...Ncd3?! 20.Bg7 Kg7 21.Re2-+) 20.Qb2 Ncd3 21.Qd4 Ne1 22.Re1 Rc8 23.Ng4 White prepares the advance e5 23...e5 24.Nfe5 (24.Qa7 Qc7 25.Ng5 Kg7-+) 24...de5 25.Qe5 f6 26.Qe6 Kg7 (26...Kh8!? 27.Ne3-+) 27.e5 Bg2 28.ef6 Kh8 29.Nh6 (29.Kg2 Rc7 30.Qe4-+) 29...Qf6 (better 29...Bd5 30.Qe3-+) 30.Qf6 Rf6 31.Kg2 Rc2 32.Kh3 (32.Ng4 Rf8-+) 32...Rcf2 (32...Nd3 33.Re8 Kg7 34.Ng4 Nf2 35.Nf2 Rff2 36.Rb8-+) 33.Re8 (33.Ng4 Rf1 34.Re4 Rf8-+) 33...Kg7 34.Ng4 R6f5 (better 34...Rf8 35.Re5 R2f5 36.Re3-+) 35.Ne3 (35.Nf2 Rf2 36.g4-+) 35...Rh5 36.Kg4 Rff5! 37.Re7 (37.Nf5 gf5 Double attack) 37...Kf8 (37...Rf7 38.Rf7 Kf7 39.Nc4-+) 38.Ra7 (38.Nf5 gf5 39.Kh5 Ke7-+) 38...Rhg5 (38...Rf7 39.Rf7 Kf7 40.Nc4-+) 39.Kh4 Nc6 (better 39...Rc5 40.Rh7 Rge5-+) 40.Rc7 (40.Ra8 Kf7 41.Nf5 Rh5 42.Kg4 Rf5-+) 40...Nd4 (40...Rh5 41.Kg4 Ne5) 41.g4 (41.Nf5 Nf3 42.Kh3 Rf5 43.g4 Ng5 44.Kg2-+) 41…Rf3 (41...Rf3 42.Nf5 Ne6 43.Rc8 Kf7 44.Nd6 Ke7 45.Re8 Kd6 46.Re6 Ke6 47.Kg5 a4 48.Kh6 Rh3 49.Kg7 a3 50.Kg8 a2 51.Kg7 a1Q 52.Kg8 Qa8 53.Kg7 Ke7 54.g5 Qf8) 0-1. Zobbie (2610) - OneAndAHalph (2570), Rated bullet game, lichess.org, 2024.

6.Ngf3 Bb7

7.g3 c5 8.Bg2 d5 9.0-0 Nbd7 10.Re1 Qc7 11.e4 e5 (11...c4!? 12.dc4 dc4=) 12.ed5+= Nd5 13.Qc1 (better 13.c4 Ne7 14.Ne5 Bg2 15.Nd7 Bb2 16.Re7+= (16.Nf8?! Bb7=)) 13...cb4-/+ 14.ab4 Nb4 15.Nc4 e5 draws heavy fire (better 15.Ne5 Ne5 16.Bb7 Ned3 17.cd3 Qc1 18.Rac1 Bb2 19.Rb1-/+) 15...e4 (15...Rfe8-/+) 16.Nd4?? (better 16.Bg7 Kg7 17.Qb2 Kg8 18.Nd4=) 16...ed3-+ 17.Bb7 Qb7 (17...Qc4?! 18.Ba8 Ra8 19.Re7-/+) 18.Re7 (18.Qd2 Nc2 19.Nc2 Bb2 20.Nb2 dc2-+) 18...Qd5 19.Ne3 (19.Ne6 Qc4 20.Ng7-/+) 19...Qb7 (better 19...Qd6!? 20.Re4 Nf6-+) 20.Ndf5 (20.Nc4!?=) 20...d2 (better 20...gf5 21.Bg7 Nc6 (worse 21...Kg7 22.Nf5 Kh8 23.Qh6 Qg2 24.Kg2 Rg8 25.Rf7 Rg3 26.hg3 dc2 27.Qh7) 22.Bf8 Nd4+=) 21.Qb1? (21.Qd2!? Bb2 22.Rb1 gf5 23.Rb2+=) 21...gf5 (21...Nc6 22.Nd6 Qc7 23.Bg7 Qd6 24.Bf8 Ne7 25.Be7 Qe7 26.Nc4-+) 22.Bg7 Kg7?? (better 22...Nc6 23.Bf8 Kf8 24.Rd7 Qd7-+) 23.Nf5 Kf6 24.c3?? (24.Qb4 Rad8 25.Qd2+-) 24...Nd5-+ 25.Re2 Nc3 26.Qd3 (26.Qb2 Qc7 27.Re3-+) 26...Nd5 (better 26...Ne2 27.Qe2 Kf5 28.Qd2 Kg6 29.Qc2 Kg7-+) 27.Rd2 (27.Nd6 Qc6 28.Qd4 Kg6 29.Qg4 Kf6 30.Ne4 Ke7 31.Qg5 f6 32.Nf6 Kd6 33.Nd5 Qa4 34.Qe7 Kc6 35.Nb4 Kc7 36.Ra4 d1Q 37.Re1 Qa4 38.Rc1 Kb7 39.Qe4 Kb8 40.Nc6 Qc6 41.Rc6 Nc5 42.Qe5 Kb7 43.Rc7 Ka6 44.Qa1 Kb5 45.Ra7 Ra7 46.Qa7 Rh8+-) 27...Ne5 28.Qc2?? (better 28.Qe4 Rad8 29.Ne3 Ne3 30.Qb7 Rd2 31.fe3=) 28...Nb4 (better 28...Nf3 29.Kh1 Nd2 30.f3-+) 29.Qb2 (29.Rd6 Kg5 30.Qd2 Kh5 31.Rh6 Kg4 32.Qf4) 29...Rad8 (29...Kf5 30.g4 Ng4 31.Qb4 Rg8 32.Qb1 Kf6 33.Qb2 Ne5 34.Kf1 Qg2 35.Ke1 Rg4 36.Rd6 Kf5 37.Qc2 Re4 38.Kd2 Qg5 39.Kc3 Rc8 40.Kb2 Rc2 41.Kc2 Re2 42.Kc3 Qf4 43.Rf6 Kf6 44.Kb3 Qc4 45.Ka3 Qd3 46.Kb4 Re4) 30.Qb4?? (30.Nd6 Nbc6 31.f4=+) 30...Rd3 (better 30...Nf3 31.Kg2 Nd2 32.Kh3 Qe4 33.Qe4 Ne4-+) 31.Qf4?? (31.Rd3 Nd3 32.Qf8 Kf5 33.g4 Ke5 34.Qe8 Kd4 35.Qa4 Ke5 36.f4 Kd6 37.Rd1+-) 31...Nf3-+ 32.Kf1 Nd2 33.Ke2 Re8 (better 33...Qf3 34.Qf3 Rf3-+ (worse 34...Nf3 35.Kd3 Kf5 36.Ra7-+)) 34.Ne3= Ke7 35.Kd3 Kd8?? (35...Rd8 36.Ke2 Kf8 37.Nf5=) 36.Ke2?? (better 36.Qd6 Qd7 37.Qd7 Kd7 38.Ra7 (38.Kd2?! Ra8+-) 38...Ke6 39.Kd2+-) 36...Qd5?? (better 36...Ne4=) 37.Rd1 (better 37.Qb8 Ke7 38.Nd5 Kd7 39.Qe8 Ke8 40.Kd2+-) 37…Qd3 (37...Qd3 38.Kd3 Re6+-). Zobbie (2570) - WhiteIronTiger (2700), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 d5 8.Bg2 c5 9.0-0 Nc6 10.c3 e5 11.e4 Re8 12.Re1 d4 13.Qb3 Rb8 14.b5 Na5 15.Qa4 dc3 16.Bc3 Qd3 17.Rac1 a6 18.Bf1 (18.ba6 A) 18...Ba6? 19.Bf1 (19.Ne5?! Qd8+=) 19...Qd7 20.Qd7 Nd7 21.Ba6+-; B) 18...Qa6 19.Ne5 Ra8=) 18...ab5 19.Qb5 (19.Bd3 ba4 20.Ba5 Red8=+) 19...Qb5-/+ 20.Bb5 Red8 (20...Bc6!? 21.a4 Nd7-/+) 21.Be5= Rbc8 22.Nc4 (22.a4!?=) 22...Nc4-/+ 23.Bc4 Ne4 24.Bg7 (24.Rb1 Nd6 25.Rb6 A) 25...Bf3?! 26.Bd6 (26.Rd6? Be5 27.Rd8 Rd8 28.Re5 Rd1 29.Bf1 Bb7-+) 26...Bf8 27.Rb3=; B) 25...Nc4 26.Rb7 Rd3 (worse 26...Na3 27.Bg7 Kg7 28.Ree7+=) 27.Bg7 Rf3=+) 24...Kg7 25.Ne5 f6 26.Ng4 h5 27.Ne3 Rc7 28.Rb1? (28.Be2 Ra8 29.Nc4 b5-/+) 28...Rd6 (28...Nd2!? 29.Rb6 Nf3 30.Kf1 Nh2 31.Kg1 Nf3 32.Kf1 Ne1 33.Ke1-+) 29.Be2 Nc3 30.Rb2 Ne2 31.Rbe2 Kf7 (better 31...Ba6!? 32.Rc2 Bd3-+) 32.Nc4-/+ Rdc6 33.Rd2 Ba6 34.Nd6 Kg8 35.Re6 c4 (better 35...Rf7-/+) 36.Re8?? (better 36.Rde2=) 36...Kh7-+ 37.Ne4 (37.Rd8 c3 38.Rc2 g5-+) 37...c3 38.Rc2 Bd3 39.Rc1 Be4 (39...Kg7 40.f3-+) 40.Re4 b5 0-1. Zobbie (2555) - caveman12345 (2705), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 d5 8.Bg2 Nfd7 9.Qc1 e5 10.e4 d4 11.c3 dc3 12.Bc3 Nf6 13.Qc2 Nc6 14.Ne5 Ne5 15.Be5 Ng4 16.Bg7 Kg7 17.0-0 Qd4 18.Nb3 Qd6 19.Qc3 Kg8 20.d4 Qe7 21.Rac1 Rac8 22.d5 Ne5 23.Nd4 a6 24.Bh3 h5 25.Bc8 Rc8 26.f3 h4 27.Kg2 Qd7 28.Qe3 h3 29.Kh1 b5 30.Nb3 Nc4 31.Rc4 bc4 32.Nc5 Qb5 33.Qc3 Rf8 34.Rc1 Bc8 35.Qc4 Qb6 36.Qd4 Qd6 37.e5 Qe7 38.Re1 Qg5 39.Qf4 Qh5 40.g4 Qh4 41.Qg3 Qg5 42.f4 Qe7 43.Qh3 a5 44.Qf3 ab4 45.ab4 Qh4 46.Re3 c6 47.Qg3 Qg3 48.hg3 cd5 49.Kg2 Rd8 50.Rd3 Bb7 51.Kf2 Bc6 52.Ke3 Ra8 53.Kd4 Ra1 54.e6 Rg1 0-1. Zobbie (2515) - antetokwombo (2510), Rated bullet game, lichess.org, 2021.

7.g3 d5 8.Bg2 e6 9.0-0 Nbd7 10.Re1 c5 11.e4 Ne8 (11...Qc7 12.bc5 bc5 13.Rb1=) 12.Bg7+= Ng7 13.e5 Nf5 14.c3 cb4 15.ab4 a5 16.Qb3 ab4 17.cb4 b5 18.Qb2 Nb6 19.Nb3 Na4 20.Qd2 Qb6 21.g4 Ne7 (21...Ng7!?+/-) 22.Qh6+- f6 23.Nbd4?? (23.ef6 Rf6 24.Ng5 Rf7 25.Nf7 Kf7 26.Qh7 Kf8+-) 23...Rac8?? (better 23...Bc8+/-) 24.ef6+- Rf6 25.g5 (better 25.Ng5!? Rf7 26.Nf7 Qd4+-) 25...Nf5 26.Qh3 Nd4 (26...Rff8 27.Re6 Qd8 28.Rae1+-) 27.gf6 Nf3 28.Bf3 (28.Qf3?! Kf7+-) 28...Rf8 (28...Kf7 29.Qh7 Kf6 30.d4+-) 29.Qe6 (29.Re6 Qd4 30.Rae1 h5 31.f7 Kg7+-) 29...Qe6 30.Re6 Bc8 31.Rd6 Nc3 (31...d4 32.Re1 Nc3 33.Re7+-) 32.Bd5 Nd5 33.Rd5 Rf6 (33...Bf5 34.Rd6 h6 35.Ra7+-) 34.Rb5 (better 34.Rd8!? Kg7 35.Rc8 Rf4+-) 34...Rf8 (34...Kg7 35.Ra7 Kh6 36.d4+-) 35.Rb8 Bf5 36.Rf8 Kf8 37.Ra7 (37.b5 Bd3 38.b6 Be4+-) 37...Ke8 (37...Bd3 38.Rh7 Ke8 39.f4+-) 38.b5 Be6 (38...Kd8 39.b6 Kc8 40.d4+-) 39.b6 Bd5 40.b7 Bb7 41.Rb7 Kd8 (41...h6 42.f4+-) 42.Rh7 g5 43.Rg7 Ke8 44.Rg5 Kf8 45.h4 Ke8 46.Rf5 Ke7 47.Re5 Kf6 48.d4 Kf7 49.f4 Kg6 (49...Kf6 50.d5 Kg7 51.d6 Kf6 52.d7 Kf7 53.h5 Kg7 54.d8Q Kh7 55.Re7 Kh6 56.Qh8) 50.d5 (50.d5 Kg7 51.d6 Kf6 52.d7 Kg7 53.h5 Kf7 54.d8Q Kg7 55.Re7 Kh6 56.Qh8; 50.h5 Kg7 51.d5 Kf7 52.d6 Kg7 53.d7 Kf7 54.d8Q Kg7 55.Re7 Kh6 56.Qh8) 1-0. Zobbie (2540) - comicsclub (2590), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 d6 8.Bg2 e5 9.0-0 e4 10.de4 Ne4 11.Bg7 Kg7 12.Ne4 Be4 13.Qd4 1-0. Zobbie (2505) - Metallist2020 (2515), Rated bullet game, lichess.org, 2023.

7.g3 Ng4 8.Bg7 Kg7 9.Bg2 d5 10.h4 h5 11.Ng5 c6 12.c4 e6 13.Qb3 Nd7 14.Qb2 Qf6 15.Qf6 Ngf6 16.0-0 Rac8 17.Rfc1 Rfd8 18.a4 Ne5 19.a5 dc4 20.Nc4 Nc4 21.Rc4 b5 22.Rc5 Nd7 23.Rc3 a6 24.Rac1 Nb8 25.Ne4 c5 26.Nc5 Bg2 27.Kg2 Kf6 28.Ne4 1-0. Zobbie (2545) - Mega_lodon (2510), Rated bullet game, lichess.org, 2023.

5.Nd2 c5

6.Ngf3 d5 7.g3 b6 8.Bg2 Bb7 9.0-0 Nbd7 10.Re1 Re8 11.e4 e5 12.ed5 Nd5 13.c4 Nc7 14.Qc2 f6 15.h4 Ne6 16.h5 Qc7 17.Ne4 Nd4 18.Bd4 ed4 19.hg6 hg6 20.Nh4 Ne5 21.f4 Ng4 22.Ng6 Ne3 23.Re3 de3 24.Re1 Qf7 25.f5 Rad8 26.Re3 Bh6 27.Rf3 Rd4 28.Rf1 Kg7 29.Qf2 Be4 30.Be4 Rde4 31.de4 Re4 32.Qf3 Re3 33.Qg4 Re4 34.Qe4 Be3 35.Qe3 Qd7 36.Rf3 Qd1 37.Kg2 Qd7 38.Qf4 Qd8 39.Qg4 Qh8 40.Nh8 Kh8 41.Qg6 1-0. Zobbie (2535) - HenriL (2615), Rated bullet game, lichess.org, 2024.

6.Ngf3 cb4

7.ab4 b5 8.g3 Bb7 9.Bg2 a5 10.ba5 Ra5 11.0-0 d5 12.Nd4 e5 13.N4b3 Ra1 14.Qa1 Qc7 15.Qa5 Qe7 16.Qb5 Ba6 17.Qb6 e4 18.Qc5 Qd7 19.Qa5 Rc8 20.Nc5 Qc6 21.Ndb3 Nfd7 22.Bg7 Kg7 23.Qa1 Kg8 24.Na6 Na6 25.Nd4 Qf6 26.de4 de4 27.Be4 Nac5 28.Bf3 Ne5 29.Bg2 Nc4 30.e3 Nd2 31.Rd1 Nce4 32.Qa4 Qf2 33.Kh1 Nf3 34.Nf3 Ng3 35.hg3 Qg3 36.Qh4 Qh4 37.Nh4 Rc2 38.Nf5 gf5 39.Bf3 Rc1 40.Bh5 Kg7 41.Kg2 Rd1 42.Kf3 Rd2 43.Kf4 Rd3 44.Ke5 Re3 45.Kf5 Rf3 46.Kg5 1-0. Zobbie (2515) - financieru (2520), Rated bullet game, lichess.org, 2024.

7.ab4 b6 8.g3 Bb7 9.Bg2 d5 10.0-0 Nc6 11.b5 Na5 12.Qb1 e6 13.Rc1 Nd7 14.Bg7 Kg7 15.c4 dc4 16.dc4 Rc8 17.Qb2 Qf6 18.Qb1 Nc5 19.e3 Rfd8 20.Nd4 Bg2 21.Kg2 e5 22.N4f3 Rd7 23.Ne4 Ne4 24.Qe4 Nb3 25.h4 Nc1 26.Rc1 Rc5 27.Ra1 Qf5 28.Qa8 e4 29.Nd4 Rd4 30.ed4 Qf3 31.Kg1 Rc4 32.Qd5 Rc7 33.Qe5 Kh6 34.Qc7 e3 35.Qf4 Qf4 36.gf4 Kh5 37.fe3 Kh4 38.Kf2 Kg4 39.Rg1 Kf5 40.Rg5 Ke6 41.Re5 Kd6 42.e4 f6 43.Rd5 Ke6 44.Ke3 f5 45.Re5 Kf6 46.ef5 gf5 47.d5 h5 48.d6 h4 49.d7 h3 50.Kf2 h2 51.Kg2 h1R 52.Kh1 Kg6 53.d8Q 1-0. Zobbie (2555) - GildardoGarcia (2535), Rated bullet game, lichess.org, 2024.

7.ab4 Qb6 8.c3 d5 9.g3 Qd8 10.Bg2 Nc6 11.0-0 Bg4 12.h3 Bf3 13.Nf3 e6 14.b5 Na5 15.Qa4 b6 16.Ne5 Rc8 17.c4 dc4 18.Nc4 Nc4 19.dc4 Rc7 20.Be5 Rd7 21.Bc6 Rd2 22.Rfe1 Nh5 23.Bg7 Kg7 24.Qa7 Qd4 25.e3 Qf6 26.Rf1 Qg5 27.Qb7 Rfd8 28.Bf3 Rc2 29.h4 Qf6 30.Bh5 gh5 31.Qe4 Rdd2 32.Qf4 Qc3 33.Qg5 Kf8 34.Ra8 Rd8 35.Rd8 1-0. Zobbie (2525) - chessmaster3000 (2540), Rated bullet game, lichess.org, 2022.

7.ab4 Nc6 8.b5 Nb8 9.g3 e6 10.Bg2 d5 11.0-0 b6 12.c4 dc4 13.Nc4 Bb7 14.Ba3 Re8 15.Nd6 Re7 16.Nb7 Rb7 17.Ne5 Nd5 18.Nc4 Ba1 19.Qa1 Rd7 20.Ne5 Rc7 21.Ng4 a5 22.Nh6 1-0. Zobbie (2555) - calixtos2007 (2515), Rated bullet game, lichess.org, 2024.

7.ab4 d5 8.g3 Nc6 9.b5 Nb8 10.Bg2 Re8 11.0-0 Nbd7 12.c4 Nc5 13.Qc2 Bf5 14.cd5 Qd5 15.Nd4 Qd6 16.Nf5 gf5 17.Ba3 Rac8 18.Nc4 Qd8 19.Bc5 Rc5 20.Ra7 b6 21.Qd2 Rc4 22.Qe3 Rc7 23.Qb6 Ra7 24.Qa7 Qb8 25.b6 f4 26.Rc1 fg3 27.hg3 Ng4 28.Bf3 Bd4 29.Bg4 Qg3 30.Kh1 Qh4 31.Kg2 Qg4 32.Kh2 Qh4 33.Kg2 Qf2 34.Kh3 Qe3 35.Kg4 Qc1 36.b7 Qc7 37.Qd4 Qb7 38.Kh5 Qb5 39.Kh6 Qc6 0-1. Zobbie (2555) - kereshady (2535), Rated bullet game, lichess.org, 2023.

7.ab4 d5 8.g3 Nc6 9.b5 Nb8 10.Bg2 h6 11.0-0 Re8 12.c4 Nbd7 13.Ne5 Ne5 14.Be5 Bf5 15.Qb3 dc4 16.Nc4 Be6 17.Bb7 Nd5 18.Bg7 Kg7 19.Ba8 Qa8 20.b6 Nb6 21.Nb6 Bb3 22.Na8 Ra8 23.Rfb1 Bd5 24.Rb5 e6 25.e4 Bc6 26.Rc5 Be8 27.Ra6 Kf6 28.Rc7 Rb8 29.Raa7 Rb2 30.Re7 Rb8 31.d4 Rd8 32.h4 h5 33.Kg2 Kg7 34.Kf3 Kf8 35.Ke3 Kg7 36.f4 Kf8 37.f5 ef5 38.ef5 gf5 39.Kf4 Rd6 40.Kf5 Rd5 41.Re5 Rd4 42.Ra8 Kg7 43.Rae8 Rd3 44.Re3 Rd5 45.Kf4 Rd4 46.Kf3 Rg4 47.Kg2 Rg6 48.Rf3 Rc6 49.Re4 Kg6 50.Rf2 f5 51.Ref4 Rc5 52.R2f3 Rd5 53.Rf2 Rc5 54.Kh3 Kf6 55.R4f3 Kg6 56.Re2 Rd5 57.Re6 Kf7 58.Rh6 Kg7 59.Rh5 Rd4 60.Rg5 Kh6 61.Rgf5 Kh7 62.R5f4 Rf4 63.Rf4 Kg7 64.Rg4 Kh8 65.Rf4 1-0. Zobbie (2500) - ButterFlyPerfect (2505), Rated bullet game, lichess.org, 2021.

7.ab4 d5 8.g3 Nc6 9.Bg2 Re8 10.0-0 e5 11.b5 Nd4 12.Nd4 ed4 13.Bd4 Be6 14.Ra7 Ra7 15.Ba7 b6 16.c4 dc4 17.Nc4 Bc4 18.dc4 Qc7 19.Qa4 Re7 20.c5 Qc5 21.Bb8 Nd5 22.Qa8 Bf8 23.Qd5 Qd5 24.Bd5 Re2 25.Rc1 Bc5 26.Rc5 bc5 27.b6 Rb2 28.b7 c4 29.Be5 Rb5 30.b8Q Rb8 31.Bb8 c3 32.Bb3 Kf8 33.Be5 Ke7 34.Bc3 f6 35.Bb4 Kd7 36.Bc4 f5 37.Bd5 h6 38.f4 g5 39.Kg2 g4 40.Kf2 Kc7 41.Kg2 Kb6 42.h3 h5 43.Bc4 gh3 44.Kh3 h4 45.Kh4 Kc6 46.Kg5 Kd7 47.Kf5 Ke8 48.g4 Kd7 49.g5 Ke8 50.g6 Kd7 51.g7 Kc6 52.g8Q Kd7 53.Qe6 Kc7 54.Qe7 Kb8 55.Qd6 Ka7 56.Bc5 Kb7 57.Bd5 Kc8 58.Qf8 Kc7 59.Qe7 Kc8 60.Qb7 1-0. Zobbie (2550) - kereshady (2500), Rated bullet game, lichess.org, 2023.

5.Nd2 d5

6.e4 a5 7.b5 c5 8.bc6 Nc6 9.Ngf3 Qb6 (9...de4 10.de4 Qb6 11.Nc4=+) 10.Rb1= Ng4 11.Bd4 Qa6 (better 11...Bd4!? 12.Rb6 Bf2 13.Ke2 Bb6=+) 12.Bg7 Kg7 13.Be2 (13.ed5 Qa7 14.Qe2 Nd4 15.Nd4 Qd4+/-) 13...de4 (13...d4 14.Qc1=) 14.de4 Qa7 15.0-0 Rd8 16.c4 Be6 17.Qc2 h6 18.h3 Nge5 19.Rfd1 f6 20.Ne5 fe5 21.Nf3 Nd4 22.Nd4 ed4 23.Bd3 Rac8 24.Qe2 Rc7 25.f4 (better 25.Rb5!?+=) 25...Rdc8 26.Rbc1 (26.f5 Bc4 27.Qg4=) 26...Qc5 (26...b5!? 27.c5 Bb3-/+) 27.Rf1 Qa3 28.f5 Bf7 29.fg6 (29.e5 gf5 30.Bf5 e6+=) 29...Bg6 30.Qf3 (30.Ra1 Qc5=) 30...Qd6 (better 30...e5!?-/+) 31.e5= Qe6 (31...Qa3 32.Rcd1 Rc6+= (32...Rc4?? 33.Qg4 R4c6 34.e6 Re6 35.Qe6+-)) 32.Bg6 (better 32.Qg3!? Rc4 33.Rc4 (33.Bc4?! Rc4 34.Rc4 Qc4=) 33...Rc4 34.Bf5+- (34.Bc4?! Qc4 35.Qf4 Qc5=)) 32...Qg6 33.Qf5?? (better 33.Qd5=+) 33...Qf5-+ 34.Rf5 Rc4 35.Rc4 Rc4 36.e6 (36.Kf2 Rc5-+) 36...d3 (better 36...a4 37.Kf2 a3-+) 37.Ra5?? (37.Kf2 a4 38.Ke3-+) 37...d2 38.Rd5 Rc1 39.Kh2 d1Q 40.Rd1 Rd1 41.Kg3 Rd6 42.Kh2 Re6 43.Kg3 b5 44.Kh2 b4 45.Kg3 (45.Kh1 b3 46.Kg1 b2 47.Kf1 b1Q 48.Kf2 Qe1 49.Kf3 Qe3 50.Kg4 Rg6 51.Kf5 e6) 45...b3 46.Kh4 (46.Kf3 b2 47.g3 b1Q 48.Kf2 Qf5 49.Kg1 Re2 50.g4 Qb1) 46...b2 47.g3 (47.Kg3 b1Q 48.h4 Qe1 49.Kh3 Re3 50.Kg4 Qg3 51.Kf5 e6) 47...b1Q 48.Kg4 (48.g4 Qe1 49.Kh5 Re5 50.g5 Rg5) 48...Qe4 49.Kh5 Re5 0-1. kassanen (1760) - Kalervonator (2280), Casual Blitz game, lichess.org, 2020.

6.e4 a5 7.Ngf3 de4 8.de4 ab4 9.ab4 Nc6?? (better 9...Ra1 10.Qa1 Bg4=) 10.Ra8+- Nb4 11.Be2 Qd6 (11...Qd7 12.0-0+-) 12.e5 Qc6 13.ef6 (13.c3!? Na6 14.ef6 Bf6+-) 13...Nc2 14.Kf1 ef6 15.g3 (better 15.Nc4 Bf5 16.Rf8 Bf8 17.Nh4+-) 15...Bh3= 16.Kg1 Ra8 17.Nc4 (17.Bc4 Bf5=) 17...Nb4 18.Qb3 Nd5 19.Bf1 Bf1 20.Kf1 f5 (20...Ra4 21.Ne3 Ne3 22.Qe3=) 21.Kg2 Bb2 22.Nb2 Re8 23.Rd1 Nc3?? (23...Nb6 24.Qd3+=) 24.Rd3 (better 24.Rc1 Qf6 25.Rc3+-) 24...Ne4+= 25.Qc4 (25.Re3 Re7+=) 25...Qb6 (better 25...Qc4 26.Nc4 b5=+) 26.Rb3?? (better 26.Nd1 Qa6 27.Qc2+=) 26...Qf2-+ 27.Kh3 g5 28.Rb7 (28.Nd1 g4 29.Kh4-+) 28...g4 29.Kh4 gf3 30.Qf7 Kf7 31.Rc7 Re7 32.Re7 (32.Rc2 Qe3 33.Rc6 Qg5 34.Kh3 Qg4) 32...Ke7 33.h3 (33.Kh3 Qg2 34.Kh4 Qh2) 33...Qg3 34.Kh5 Qg5 (34...Qh3) 0-1. Zobbie (2580) - mategg (2635), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.e4 c6 7.h4 de4 8.de4 Bg4 9.Be2 Be2 10.Qe2 Re8 11.e5 Nd5 12.h5 e6 13.hg6 hg6 14.0-0-0 a5 15.c3 ab4 16.cb4 c5 17.b5 Qa5 18.Ngf3 Nc3 19.Qc4 Nd1 20.Rd1 Nd7 21.Rh1 Nb6 22.Qh4 Na4 23.Qh7 Kf8 24.Nc4 Qb5 25.Nfd2 Nb2 26.Nb2 Ra3 27.Rh4 Rc3 28.Kb1 Rd8 29.Ne4 Qf1 30.Ka2 Ra8 31.Na4 Ra4 32.Kb2 Qa1 0-1. Zobbie (2525) - prydurok (2710), Rated bullet game, lichess.org, 2021.

6.e4 de4 7.de4 Nc6 8.Be2 Be6 9.h4 Nd4 10.Bf1 c5 11.c3 Nc6 12.Be2 cb4 13.ab4 Qb6 14.Rb1 Rad8 15.Qc2 Rc8 16.Qa4 Rfd8 17.h5 Bf5 18.ef5 Rd2 19.Kd2 Qf2 20.Rh3 Ne4 21.Kc2 Nd4 22.Kd3 Ne2 23.Ne2 Rd8 24.Kc4 Qe2 25.Kb3 Nd2 26.Ka2 Qc4 27.Ka3 b5 28.Qa5 Qb3 0-1. Zobbie (2535) - antetokwombo (2505), Rated bullet game, lichess.org, 2024.

6.e4 e5 7.Ngf3 de4 8.de4 Nc6 9.Be2 Re8 10.0-0 Bg4 11.c4 Nh5 12.Re1 (12.b5 Nb8+=) 12...Nf4= 13.h3 Bf3 14.Bf3 (better 14.Nf3 Qf6 15.Qc2=) 14...Nd3-/+ 15.Qc2 Ne1 16.Rd1?? (better 16.Re1 Nd4 17.Bd4 ed4 18.Qd3-+) 16…Nc2-+ 0-1. kassanen (1760) - HokusPokusFidibus (2530), Casual Blitz game, lichess.org, 2020.

6.Ngf3 Nc6 7.g3 Bg4 8.h3 Re8?? 9.Bg2?? (better 9.hg4 Ng4 10.Bg7 Kg7 11.b5+-) 9...Bf3 10.Bf3 e5 11.Bg2 e4 12.e3 Ne5 (12...Qe7!?=) 13.de4+= de4 14.0-0 (better 14.Ne4 Ne4 15.Be4 Qd1 16.Rd1+=) 14...Qd5? (better 14...Ned7=) 15.Ne4!+- Qe4? (15...Ne4 16.Qd4 Double attack (16.Qd5 Discovered attack; 16.Qd5 Deflection; 16.Qd4 Decoy; 16.Qd5 Overloading)) 16.Be4 Ne4 17.Qc1 (17.Qe2 a5+-) 17...Rad8 18.Bd4 (better 18.Ra2!? c5+-) 18...Nf3 19.Kg2 Nd4 20.ed4 Bd4 21.a4 (better 21.Rb1+-) 21...Ba1+= 22.Qa1 Rd2 23.Qc1 Red8 24.h4 (24.Qe1 R8d4 25.c3 Rc4+=) 24...Nc3 (24...R8d4!? 25.Qb1 Rc4=+) 25.h5 Re2 (25...gh5 26.Re1 R8d4 27.Re8 Kg7 28.Qe1+/-) 26.Qf4 (26.Re1 Rd5 27.Re2 Ne2 28.Qe3+-) 26...Rdd2? (better 26...Nd5 27.Qh4 Rd7+/-) 27.h6?? (better 27.Qc7 Nd5 28.Qb8 Kg7 29.Kf3+-) 27...Ne4?? (better 27...Nd5 28.Qf3 Ne3 29.Kg1 Nf1 30.Qb7 Kf8 31.Kf1 Rf2 32.Ke1 Rfe2 33.Kf1 Rc2 34.Qa7 f5=+) 28.Qc7+- Rf2 (28...Nd6+-) 29.Rf2 Rf2 30.Kg1 f5 (30...Rf1 31.Kf1 Nd2 32.Ke2 f5 33.Qg7) 31.Qg7 1-0. Zobbie (2625) - Starbox2010 (2785), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 Nc6 7.g3 Bg4 8.h3 Bf3 9.Nf3 a5 10.b5=.

6.Ngf3 Nc6 7.g3 Bg4 8.h3 Bf3 9.Nf3 a6 10.Bg2 Re8 11.0-0 e5 12.e3 Qe7 13.Nd2 Rad8 14.Qc1 e4 15.d4 h5 (15...b5 16.Nb3=) 16.c4 Na7 17.cd5 Rd5 18.Nb3 (18.f3 ef3 19.Rf3 c6+=) 18...c6 19.Na5 Nb5 20.Qc4 Rf5 21.Rad1 Nh7 (21...Nd5 22.Qc2=) 22.Nb3 Ng5 23.Qc2 Nf3 24.Kh1 g5 (24...Nc7 25.Bf3 Rf3 26.Nd2=) 25.Nc5 g4 26.Bf3 gf3 27.Rg1 Rg5 28.d5 (28.a4 Nd6=) 28...Bb2 29.Qb2 cd5 30.a4 Nd6 31.Qd4 Qd8 32.Nb3? (better 32.a5=+) 32...Qd7 33.Kh2 Nf5?? (better 33...Qa4 34.Nd2 Qc6-+) 34.Qd5+= Qa4? (better 34...Qe7!? 35.Qc5 Qe6+=) 35.Nc5 (35.Nd4 Qb4 36.Nf5 Qb5 37.Qb5 ab5+-) 35...Qc6 (better 35...Qb5+-) 36.Qc6?? (better 36.h4 Qd5 37.Rd5+-) 36...bc6+= 37.Nd7 (37.Ra1!?+=) 37...Kg7= 38.Nf6?? (better 38.Ra1=) 38...Kf6-+ 39.Rd6 (39.h4 Rg4-+) 39...Re6 (better 39...Nd6 40.Ra1-+) 40.Rc6 (40.Re6 fe6 41.Rc1-+) 40...Rc6 41.Rd1 Re6 (41...Rc2 42.g4 Rf2 43.Kg1 Rg2 44.Kf1 Ne3 45.Ke1 Re2) 42.Rd5 (42.Rd2 Ne7-+) 42...Ng3 43.Rg5 h4 (43...Nf1 44.Kg1 Kg5 45.h4 Kh4 46.b5 Rg6 47.Kh1 Ne3 48.b6 Nd1 49.b7 Nf2 50.Kh2 Rg2) 44.Rg4 Nf1 (better 44...Nf5!? 45.Kh1-+) 45.Kg1 Nd2 46.Rf4 (46.Rh4 Ke7 47.Rh5 Rg6 48.Kh1 Rg2 49.Re5 Kf8-+) 46...Ke7 47.Rh4 Rd6 (47...Rb6 48.Kh2-+) 48.Kh2 Nc4 (48...Rg6 49.Rg4 Nf1 50.Kg1 Rg4 51.Kf1-+) 49.Kg3?? (49.Re4 Re6 50.Rc4 Rg6+-) 49...Ne3 (better 49...Rg6 50.Kf4 Re6-+) 50.Re4+/- Re6? (better 50...Kf6 51.fe3 Rd1+/-) 51.Re3 Kf6 (51...Re3 52.fe3 f2 53.Kf2 Kf6+-) 52.Kf3?? (better 52.Re6 Ke6 53.Kf3+-) 52...Kg6?? (better 52...Rb6 53.Re4 Kg5+/-) 53.Re6+- Kh7 (53...fe6 54.Ke4 Kf6+-) 54.Ke4 (54.Ra6 Kg8 55.b5 Kg7 56.b6 Kf6 57.b7 Kf5 58.b8Q f6 59.Qb1 Kg5 60.Qh7 f5 61.h4) 54…f6 (54...f6 55.Rf6 Kg8 56.Kf5 Kh7 57.Rf7 Kh8 58.Kg6 Kg8 59.h4 a5 60.ba5 Kh8 61.Rf8). Zobbie (2555) - hossein_babaee (2715), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 Ne8 7.Qc1 c6 8.h4 h5 9.Ng5 Bg4 10.g3 Bf5 11.Bg2 e5 12.e4 Be6 13.Ne6 fe6 14.0-0 d4 15.Nc4 Nd7 16.Bh3 Qe7 17.c3 Nb6 18.Na5 Nd6 19.cd4 ed4 20.f4 Na4 21.Kh2 Nb5 22.Qc2 Nb2 23.Qb2 Nc3 24.Rae1 Kh7 25.Qb3 Rae8 26.Nc4 b6 27.e5 Bh6 28.Nd6 Rd8 29.Qe6 Qe6 30.Be6 Rh8 31.Nf7 Rhe8 32.Nd8 Rd8 33.f5 Re8 34.fg6 Kg7 35.Bf7 Re7 36.e6 Nd5 37.Re4 Be3 38.Re1 Nf6 39.R1e3 Ng4 40.Rg4 hg4 41.Re4 Kf6 42.Rd4 Kg7 43.Rf4 c5 44.bc5 bc5 45.Rg4 Rb7 46.Rc4 1-0. Zobbie (2535) - IziGo (2535), Rated bullet game, lichess.org, 2023.

6.Ngf3 Bf5 7.g3 c6 8.Bg2 Nbd7 9.0-0 Re8 10.c4 e5 11.cd5 cd5 12.Rc1 Rc8 13.Qb3 Qe7 14.Nh4 Be6 15.Qa4 a6 16.Qa5 Ng4 17.Nhf3 e4 18.Nd4 e3 19.N2f3 ef2 20.Kh1 Rc1 21.Bc1 Qd8 22.Qd8 Rd8 23.h3 Nge5 24.Rf2 Nc6 25.Nc6 bc6 26.Bg5 f6 27.Be3 Ne5 28.Nd4 Bd7 29.Nb3 Be8 30.Rf1 Ra8 31.Rc1 Bf8 32.Bc5 Bh6 33.Rc2 Kf7 34.Bd4 Bd7 35.Nc5 Be8 36.Nb7 Rb8 37.Nd6 Ke7 38.Ne8 Ke8 39.Be5 fe5 40.Rc6 Kd7 41.Bd5 Rc8 42.Rc8 Kc8 43.Bc4 a5 44.ba5 Be3 45.a6 h5 46.Kg2 Kc7 47.g4 hg4 48.hg4 g5 49.Kf3 Bb6 50.Ke4 Kd6 51.Kf5 Be3 52.Ke4 Bd4 53.Kf5 Be3 54.a7 Ba7 55.Kg5 Bc5 56.Kf5 Ba3 57.g5 Bc1 58.g6 1-0. Zobbie (2505) - LoneCypress (2595), Rated bullet game, lichess.org, 2024.

6.g3 a5 7.c3 ab4 8.cb4 b6 9.Bg2 Bb7 10.e3 c5 11.b5 Nbd7 12.Ne2 e5 13.0-0 d4?? (better is 13...Qe7=+) 14.Nf3 (better is 14.Bb7 Ra7 15.Bg2+-) 14...e4?? (better is 14...de3 15.Ne1 ef2 16.Rf2 Bg2 17.Ng2 Ng4-+) 15.de4= Ne4 16.ed4 cd4 17.Bd4 1–0. golfx – iraklion, kurnik, 2011.

6.g3 a5=+ 7.c3 ab4 8.cb4 Bg4 9.Bg2 c6 10.Ngf3 Qd7 (10...Qd6 11.h3 Bf3 12.Nf3=) 11.0-0 (11.h3 Bf3 12.Nf3 Qd6=) 11...Bh3=+ 12.e4 Bg2 13.Kg2 de4 14.Ne4 (14.de4!? Rd8 15.Qb3=) 14...Ne4-/+ 15.Bg7 Nf2 (< 15...Kg7 16.de4 Rd8 17.Qc2=) 16.Rf2 Kg7 17.Qb3 Qd5 18.Qc3 e5 (18...f6!?-/+) 19.Qe5= (19.Qe5 Qe5 20.Ne5=). golfx – misissk, kurnik, 2011.

6.g3 a5 7.c3 e5 8.Bg2 Re8 9.Ngf3 Nc6 10.b5 Nb8 11.c4 Nbd7 12.cd5 Nd5 13.Nc4 a4 14.0-0 Qe7 15.Qd2 N5b6 16.Nb6 Nb6 17.Qc2 (17.Rac1 Rd8 18.Qc3 Rd5 19.Qc7 Qc7 20.Rc7 Rb5=) 17...Bg4 (better is 17...Ra5!?-/+) 18.Rfc1 Nd5 (18...Ra5 19.Qc7 Qc7 20.Rc7 Rb5=+) 19.e4 Nb6 20.Qc7 Qc7 21.Rc7 Bc8? (better is 21...Ra5!? 22.Bc1 Rb5 23.Rb7 Bc8+/-) 22.Rac1+- f6 23.Nd2 Bf8 24.Nc4 Nc4 25.R7c4 b6? 26.Rc6+/- Bc5 27.Rf6 Be6 28.Rd1 Bb3 29.Rd2 Rad8 30.Bf1 Kg7 31.Rc6 Bf7 32.Kg2 Re6? 33.Rc7 Re7? 34.Re7 Be7 35.d4 Rc8? 36.d5 Bd6 37.Be2 g5 38.Bd3 1–0. golfx – thekanbeast15, kurnik, 2011.

6.g3 e5 7.Bg2 e4 8.de4 de4 9.Ne4 Ne4 10.Bg7 Kg7 11.Be4 Qf6 12.Qd3?? (better is 12.Ra2+=) 12...Qa1-+ 13.Qd1 Qd1 (better is 13...Qa3!? 14.Qd4 f6 15.Kf1-+) 14.Kd1 Nc6 15.b5 Ne5 16.Nf3 Nf3 17.ef3 Rb8 18.Ke2 Re8 19.Kd3 Bf5 20.Bf5 gf5 21.Rd1 Rbd8 22.Kc3 Rd1 23.Kb4 Rd2 0–1. golfx – misissk, kurnik, 2011.

6.g3 e5 7.Bg2 Bg4 8.Ngf3 e4 9.de4 de4 10.Ne5 Bf5 11.g4 Ng4 12.Ng4 Bb2 (12...Bg4?! 13.Bg7 Kg7 14.Ne4=) 13.Ra2? (13.Nh6 Kh8 14.Nf5 gf5 15.Rb1-+) 13...Bc3-+ (13...Bg4 14.Rb2 e3 15.Bb7 ef2 16.Kf2 Qd4 17.Kg3 Qc3 18.Kf4-+ (18.Kg4 f5 19.Kf4 g5 20.Kg5 Qe3 21.Kh4 Qf4 22.Kh5 Qg4 23.Kh6 Qg6#)) 14.Ne3? (14.Nh6 Kh8 15.Nf5 gf5 16.0-0 Qd2 17.Qd2 Bd2 18.Rd1-+) 14...Be6 15.Ra1 Ba1 16.Qa1 Qh4 17.0-0 f5 18.Qe5 Qe7?? 19.Nd5=+ Qf7 20.Nf4?? Re8-+ 21.Ne6 Re6 22.Qb2 Nc6 23.e3 Rd6 24.Nb3 b6 25.Rc1 Rad8 26.c4 Rd3 27.Bf1 Rd1 28.Qc2 Rc1 29.Qc1 Kf8 30.Qc3 Qg7 31.Qg7 Kg7 32.b5 Ne5 33.h3 Nf3 34.Kg2 Nd2 35.Nd4 Nf1 36.Kf1? Rd6 37.Ke2 Kf6 38.f3 ef3 39.Kf3 h5 40.h4 Ke5 41.Nc6 Rc6! 42.bc6 Kd6 43.Kf4 Kc6 44.Kg5 Kc5 45.Kg6 Kc4 46.Kh5 Kd3 47.Kg5 c5 48.h5 c4 49.h6 c3 50.h7 c2 51.h8Q c1Q 52.Qd4 Ke2 (52...Ke2 53.Kf5 Qe3 54.Qb2 Kf3-/+) 0–1. golfx – hugobrasil, kurnik, 2011.

6.g3 e6 7.Bg2= Nh5 (7...a5!?=) 8.Bg7+= Ng7 9.Ngf3 b6 10.0-0 Bb7 11.c4 c6 12.cd5 cd5 13.e4 d4 (13...Nd7 14.Qe2+=) 14.Nc4 (14.Nb3 Nd7 15.Nbd4 e5+/-) 14...b5 (better is 14...f6!?+=) 15.Na5+/- Qd7 (15...Bc6 16.Rc1 Qd6 17.Qc2+-) 16.Nb7+- Qb7 17.Nd4 (better is 17.e5 Qd7 18.Nd4 Qd4 19.Ba8 Qe5 20.a4+-) 17...Nc6?? (better is 17...e5 18.Ne2 Nc6+/-) 18.Nc6 (better is 18.e5+-) 18...Qc6 19.Qb3 (better is 19.e5 Qc3 20.Ba8 Ra8 21.Qe2+-) 19...Qd7+/- 20.Rac1 Rad8 21.Rfd1 Qd4 22.Rc5 a6 23.Rc6 Rd6 24.Rd6 Qd6 25.d4 Rd8 26.d5 e5 27.Rc1+- f5 28.Rc6 Qe7 29.Ra6 fe4 30.Be4 Rf8 31.f3 Nf5 32.d6 Qf7 33.Qf7 Kf7 34.d7 Rd8 35.Bc6 Ke7? 36.Bb5 Nd6 37.Rd6! Kd6 38.a4 h5 39.Kf2 g5 40.Ke3 Kc7 41.Ke4 Rf8 42.f4?? ef4= 43.gf4 Rf4 44.Ke5 Rb4 45.Kf6 g4 46.Kg5+= g3 47.hg3 Rg4 48.Kh5 Rg3 49.Kh6 Kd8 50.Kh7 Rg5 51.Bc6 Ra5 52.Bb5 Ra7 53.Kg7 Rc7 54.Kf7 Rc1 55.Ke6 Ra1 56.Kd6 Rc1 57.Kd5 Kc7 58.Ke6 Ra1 59.Ke7 Re1 60.Kf6 Kd8 61.Kf5 Re7 62.Kf4 Re1 63.Kf5 Ra1 64.Bc6 Kc7 65.Bb5 Re1 66.Kf6 Re2?? 67.Kf5 Re3 68.Kf6 Re1 69.Kf7 Re3 70.Kf8 Re5 71.Kg8 Re3 72.Kh8 Re1 73.Kh7 Re3 74.Kh6 Re5 75.Kg6 Re7 76.Kf5 Rd7 77.Bd7 Kd7 78.Ke4 Kc6 79.Kd4 Kb6 80.Kc3 Ka5 81.Kb3 Ka6 82.Kb4 Ka7 83.Kb5 Ka8 84.Kb6 Kb8 85.Ka6 Ka8 86.Kb6 Kb8 87.a5 Ka8 88.a6 Kb8 89.Kb5 Ka8 90.Kc6 Ka7 91.Kb5 Ka8 92.Ka5 Ka7 93.Kb5 Ka8 ½–½. golfx – hanpijesak, kurnik, 2011.

6.g3 Nh5 7.Bg2?? Bb2-+ 8.Ra2 Bc3 9.Ngf3 Bd2 (better is 9...a5!? 10.ba5 e5 11.0-0-+) 10.Qd2 Ng7 11.0-0 Bg4 12.h3 Bf3 13.Bf3 c6 14.c4 dc4 15.dc4 Qd2 16.Rd2 Na6 17.b5 Nc5 18.bc6 bc6 19.Bc6 Rac8 20.Bd5 e6 21.Bg2 Rfd8 22.Rd8 Rd8 23.Rb1 Rd7?? 24.Rb5?? Rd1 25.Kh2=+ Nd7 26.c5 Rc1 27.c6 Nb6-/+ 28.Ra5 Nf5 29.Ra7= Nd4 30.e3?? Nc6-/+ 31.Ra6 Nc4?? 32.Rc6+- Rc3 33.a4 Rc2 34.a5! Na3 35.Rc3 Rc3-+ 36.a6 Nb5 37.Bf1 Na7 38.Kg2 Kg7 39.Kf3 f6 40.Ke4 Rc1 41.Bd3 e5 42.f4 ef4 43.ef4 h6 44.h4 Rc3 45.g4 Rd3! 46.Kd3 g5 47.fg5 fg5 48.hg5 hg5 49.Kc4 Kf6 50.Kc5 Ke5 51.Kb6 Nc8 52.Kb7 Kf4?? 53.Kc8+- Kg4 54.a7 Kf3 55.a8Q Kf2 56.Qa2 Kf3 57.Qa1 g4 58.Qg1 g3 59.Kd7 g2 60.Ke6 Ke2 61.Kf5 Kd2 62.Kf4 Kc2 63.Qg2 Kc3 64.Qc2 Kd4?? 65.Qd3 Kc5?? 66.Qc4 Kd6?? 67.Qd5 Ke7?? 68.Qe6 Kd8?? 69.Qd7 Kd7= ½–½. golfx – piotrus72, kurnik, 2011.

6.g3 Nh5 7.Bg7= Ng7 8.Ngf3 a6 9.Bg2 c6 10.0-0 Bg4 11.c4 dc4 12.dc4 Nd7 13.c5 Bf3 14.Nf3 e6 15.Qb3 Qf6 16.Rfd1 Ne5 17.Ne5 Qe5 18.Ra2 Rfd8 19.Rad2 Qc7 20.Rd8 Rd8 21.Rd8 Qd8 22.h3 Nf5 23.a4 Qd4 24.e3 Qd7 25.b5 cb5 26.ab5 ab5 27.g4 Ne7 28.Qc3 Nc6 29.Qb4?? Nb4-+ 30.Kh2 Qc6! 31.Bc6 bc6 32.Kg3 Kf8 33.Kf4 Ke7 34.Ke5 f6 35.Kd4 Nd5 36.e4 e5 37.Kd3 Nf4 38.Kc3 Nh3 39.Kb4 Nf2 40.Ka5 Ne4 41.Kb6 Nc5! 42.Kc5 Ke6 43.Kc6 b4 44.Kc5 b3 45.Kc4 b2 46.Kc3 b1Q 47.Kd2 Kd5 48.Kc3 Qb5 49.Kd2 Kd4 50.Ke1 Qb2 51.Kd1 Ke3 52.g5 Qd2# 0–1. golfx – piotrus72, kurnik, 2011.

6.Ngf3 a5

7.c3 ab4 8.ab4 Ra1 9.Qa1 c6 10.g3 e5 11.Ne5 Re8 12.Nef3 Bg4 13.Bg2 Nbd7 14.e3 Ne5 15.Ne5 Re5 16.0-0 Be2 17.c4 Re6 18.cd5 cd5 19.Rc1 Bd3 20.Qa7 Ne4 21.Bg7 Kg7 22.Nf3 Qf6 23.Qd4 Bc4 24.Qf6 Rf6 25.Rc2 b5 26.Nd4 Ra6 27.f3 Nd6 28.h4 Ra1 29.Kh2 Ra3 30.e4 de4 31.fe4 Re3 32.Nc6 Ne4 33.Rd2 Ng3 0-1. Zobbie (2540) - Rvlc (2500), Rated bullet game, lichess.org, 2022.

7.c4 c6 8.g3 Na6 9.Qb3 ab4 10.ab4 Qb6 11.c5 Nc5 12.bc5 Ra1 13.Ba1 Qc5 14.d4 Qa5 15.Bc3 Qa6 16.e3 Qa7 17.Bg2 Qa6 18.Bf1 Qa7 19.Qb4 Ne4 20.Ne4 de4 21.Ng5 Bf5 22.Bg2 Qa6 23.Ne4 Qd3 24.Nd2 Ra8 25.e4 Bg4 26.Bf1 Qc2 27.Qb2 Qd1 0-1. Zobbie (2500) - leoajedrez (2525), Rated bullet game, lichess.org, 2022.

7.g3 c6 8.Bg2 Bg4 9.0-0 Nbd7 10.h3 Bf5 11.Re1 e5 12.e4 de4 13.de4 Be6 14.Ng5 Re8 15.Ne6 Re6 16.Nc4 ab4 17.ab4 Ra1 18.Qa1 Nb6 19.Ne5 Ne8 20.Nd3 Bb2 21.Qb2 Qe7 22.Qc3 Nc7 23.Nc5 Nb5 24.Qf3 Rd6 25.e5 Rd8 26.Ne4 Nd4 27.Nf6 Kg7 28.Qe4 Nf5 29.Kh2 Nd5 30.Nh5 Kg8 31.b5 Ng7 32.Ng7 Kg7 33.bc6 bc6 34.c4 Nb4 35.Qf4 c5 36.Re3 Rd2 37.h4 Nd3 38.Qf6 Qf6 39.ef6 Kf6 40.f4 h5 41.g4 hg4 42.Kg3 Nf4 43.Bd5 Nd5 44.cd5 Rd5 45.Kg4 Rd4 46.Kg3 c4 47.Rf3 Kg7 0-1. Zobbie (2515) - prydurok (2535), Rated bullet game, lichess.org, 2020.

7.c4 ab4 8.ab4 Ra1

9.Qa1 Na6 10.b5 Nc5 11.Qa3=.

9.Qa1 dc4 10.Nc4 c6 11.g3 Nbd7 (11...Na6 12.Bc3=+) 12.Bg2= Nb6 13.Na5 (13.Nb6 Qb6 14.Qa5 Qd8=) 13...Nbd5 14.Qa3 Qd6 15.Bc3? (better 15.b5!? Qa3 16.Ba3 cb5 17.Bb2=+) 15...Nc3-+ 16.Qc3 Nd5 17.Qc5? (better 17.Qb3-+) 17...Bc3 18.Kd1 Qc5 19.bc5 Ba5 20.Ne5 (20.e3 Bb4 21.d4 Bf5-+) 20...Be6 (20...Nc3 21.Kd2 f6 22.Nf3-+) 21.Kc2 Bc3 22.Nc4 Bd4 23.Na5 (23.Rb1 Rb8-+) 23...Bf2 (better 23...Ra8 24.e3 Bg7 25.Bd5 Bd5 26.e4 Ra5 27.ed5 Rc5 28.Kd2 Bc3 29.Ke2 cd5 30.Rb1-+) 24.Nb7 (24.Bd5 cd5 25.Nb7-+) 24...Ne3 25.Kc3 Ng2 26.Na5 Bc5 27.Nc6 (27.Rb1 Bd6 28.Rg1 Ne3 29.Nc6 Rc8-+) 27...Bd6 (27...Rc8 28.Ne5-+) 28.Kd2 (28.Rg1 Rc8 29.Rg2 Rc6 30.Kd2 Bh3-+) 28...Rc8 29.Rc1 Kg7 (29...Bd7!? 30.Ne7 Be7 31.Rc8 Bc8 32.e4-+) 30.Rc2 (30.e4 Bd7 31.e5 Bc7-+) 30...Bb3 31.Rc3 Ba4 32.Nd4 (32.Ne7 Rc3 33.Kc3 Be7 34.e4-+) 32…Bb4 (32...Bb4 33.e3 Bc3 34.Ke2 Bd4 35.ed4 Rc2 36.Kf1 Ne3 37.Kg1 Rg2 38.Kh1 Bc6 39.d5 Rf2 40.h3 Bd5 41.Kg1 Rf1 42.Kh2 Rh1) 0-1. Zobbie (2555) - Harshalpatil (2560), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.Qa1 dc4 10.Nc4 Nc6 11.b5 Nb8 12.g3 (12.Qa7 Nfd7+=) 12...Be6 13.Bg2 Bd5 14.0-0 Nbd7 (14...Qd7 15.Qa5+=) 15.Rc1 e6 (15...c6 16.bc6 Bc6 17.Bd4+=) 16.Ne3 (16.Na5 b6 17.Nc6 Bc6 18.Rc6 h6+/-) 16...Bf3 (16...Re8 17.Ne5 Nb6 18.N5g4 Ng4 19.Ng4+/- (worse 19.Bg7 Ne3 20.Bf6 Qd7 21.fe3 Bg2 22.Kg2 Qb5=+)) 17.Bf3+/- b6 18.Ng4 Ne8 (18...Re8 19.Nf6 Bf6 20.Bf6 Nf6 21.Bc6+/-) 19.Bg7 Ng7 20.Qc3 h5 21.Ne3 Ne8 22.Nc4 Qf6 23.d4 Nd6 (23...Qg5 24.Bc6 Nb8 25.f4+/-) 24.Ne5 (24.Nd6 cd6 25.Qc7 Qg5+-) 24...Qe7 (24...Qd8 25.Nd7 (worse 25.Qc7 Ne5 26.de5 Qc7 27.Rc7 Nb5+=) 25...Qd7 26.Bc6+/- (26.Qc7?! Qc7 27.Rc7 Nb5=)) 25.Bc6 (25.Qc7 Rc8 26.Nc6+- (26.Nd7? Rc7 27.Rc7 Nb5 28.Rc8 Kg7 29.Nb6 Nd4-+)) 25...Ne5 26.de5 Nf5 27.e4 Ng7 28.Bb7 Rd8? (better 28...Qd7!?+/-) 29.Qc7+- Rd1 (29...Rd7 30.Qb8 Rd8 31.Rc8 Rc8 32.Qc8 Qe8 33.Qc6 Qc6 34.bc6+-) 30.Kg2 Qc7 31.Rc7 Rb1 32.Bc6 h4 (32...g5 33.Rb7+-) 33.Rb7 (33.gh4?! Nh5+-) 33...hg3 34.hg3 (34.Kg3?! Nh5 35.Kf3 Rb3 36.Kg4 Rb2+-; 34.Rb6 gf2 35.Rb8 Kh7 36.Kf2 Rb2 37.Ke3 Rb3 38.Kd4 Rb4 39.Kc5 Rb2+-) 34...Nh5 35.Rb6 g5 (35...Rc1 36.Rb8 Kg7 37.Ba8+-) 36.Rb7 (36.Rb8 Kg7+-) 36...f5 (36...Ra1 37.b6+-) 37.Bd7 (37.ef5 ef5 38.b6 Kf8+-) 37...f4 (37...Ng7 38.ef5 ef5 39.e6+-) 38.Be6 Kf8 39.Bd5 g4 (39...fg3 40.fg3 g4 41.e6 Rb2 42.Kg1 Rb1 43.Kf2+-) 40.gf4 (40.Rf7 Ke8 41.e6 Rc1 42.Bc6 Rc6 43.bc6 f3 44.Kg1 Kd8 45.c7 Kc8 46.e7 Ng7 47.Rg7 Kc7 48.e8Q Kb6 49.Qe6 Kc5 50.Rc7 Kb5 51.Rb7 Kc5 52.Qd5) 40...Nf4 41.Kg3 Ne2 (41...Ng6 42.Kg4 Ne7 43.Rb8 Kg7 44.b6+-) 42.Kg4 Rg1 (42...Nd4 43.b6 Ke8 44.Rb8 Kd7 45.b7+-) 43.Kf5 Nd4 (43...Rf1 44.Rf7 Ke8+-) 44.Kf6 White intends e6 44...Ke8 45.e6 Kd8 (45...Rg6 46.Kg6 Nb5 47.Bc6 Kf8 48.e7 Kg8 49.e8Q) 46.b6 (46.e7 Ke8 47.Bf7) 46...Ne6 (46...Nc6 47.Bc6 Kc8 48.Ra7 Rg6 49.Kg6 Kd8 50.e7 Kc8 51.e8Q) 47.Be6 Rg6 48.Ke5 (48.Ke5 Rh6 49.Rc7 Rh5 50.Kd6 Rc5 51.Rc5 Ke8 52.Rc8; 48.Kg6 Ke8 49.Kf6 Kd8 50.Rb8) 1-0. Zobbie (2605) - Branko_Tadic (2580), Rated bullet game, lichess.org, 2024.

9.Qa1 dc4 10.Nc4 Ne8 11.g3 Bb2 12.Qb2 Nf6 13.Bg2 c6 14.0-0 Nbd7 15.b5 c5 16.Ra1 b6 17.Nfe5 Ne5 18.Ne5 Qc7 19.Nc6 Re8 20.Ra7 Qd6 21.h3 Bd7 22.Rb7 Nd5 23.Qb3 Bc6 24.bc6 Nb4 25.Rb6 Rc8 26.Qa4 Qd4 27.Bf3 Kg7 28.Kg2 Qf6 29.Qb5 Rc7 30.Qc5 Qd6 31.Qb4 Qb4 32.Rb4 Rc8 33.Rb7 e5 34.Bd5 Kf6 35.Rf7 Kg5 36.Rh7 Kf6 37.Rf7 Kg5 38.h4 Kh6 39.g4 e4 0-1. Zobbie (2520) - ChessImpostor (2525), Rated bullet game, lichess.org, 2024.

9.Qa1 c6 10.g3 Na6 11.Bc3 Ne8 12.Bg2 Nb4 13.0-0 Na6 14.Bg7 Ng7 15.Nd4 e5 16.N4b3 f6 17.Rc1 d4 18.Ne4 Qe7 19.c5 Kh8 20.Qa5 Be6 21.Nbd2 Bd5 22.Nd6 Ne6 23.N2e4 f5 24.Nd2 Bg2 25.Kg2 Nec5 26.Rc5 Qd6 27.Re5 c5 28.Nc4 Qc6 29.f3 b5 30.Na3 Nc7 31.Re7 Nd5 32.Qa7 Ne7 33.Qe7 Re8 34.Qf7 Re2 35.Kh3 Qe8 36.Qf6 Kg8 37.Nb5 Qb5 38.Qd8 Qe8 39.Qd5 Qe6 40.Qd8 Kg7 0-1. Zobbie (2525) - Urkis (2685), Rated bullet game, lichess.org, 2022.

9.Qa1 c6 10.g3 Nbd7 11.Bg2 dc4 12.Nc4 Nb6 13.0-0 Nc4 14.dc4 Be6 15.Rd1 Qb6 16.Bd4 Qb4 17.Rb1 Qc4 18.Rb7 Bd5 19.Re7 Bf3 20.Bf3 c5 21.Bf6 1-0. Zobbie (2540) - abhishek_ganiger (2555), Rated bullet game, lichess.org, 2023.

9.Qa1 c6 10.g3 Nbd7 11.Bg2 Re8 12.0-0 Qc7 13.Rc1 Qd6 14.Qa3 e5 15.cd5 cd5 16.e3 e4 17.Nd4 Ne5 18.de4 de4 19.Ne4 Ne4 20.Be4 Bh3 21.b5 Qf6 22.Bb7 Ng4 23.Bf3 Ne5 24.Bg2 Bf8 25.Qc3 Bg2 26.Kg2 Ng4 27.Nf3 Qb6 28.Qh8 1-0. Zobbie (2510) - bbtsdg (2500), Rated bullet game, lichess.org, 2023.

9.Qa1 Nc6 10.b5 Nb4 11.Qb1 dc4? (better 11...c5 12.bc6 Nc6 13.cd5 Qd5=) 12.Bf6+/- ef6 (12...Nd3 13.ed3 Bf6 14.dc4+-) 13.Qb4+- cd3 14.ed3 (14.e3 Qd5 15.Qb3 Rd8 16.Qd5 Rd5+-) 14...Re8 15.Kd1 Bf5 16.Qc4 c6 (better 16...Qe7!?+/-) 17.bc6+- bc6 18.Nd4 (18.Qc6 Bd7 19.Qc2 Qa8+/-) 18...Bd7 19.Be2 (19.Nc6 Qa8 20.Nb4 Qa1 21.Kc2 Ba4 22.Nb3 Re1-+) 19...f5 20.Bf3 (20.Nc6?! Qf6 21.Bf3 Qa1 22.Qc1 Qa4 23.Qc2 Qa1 24.Qb1 Qa4 25.Qc2 Qa1 26.Qb1 Qa4 27.Qc2=) 20...Qb6 21.Nc2 (21.Nc6 Qb2 22.d4 Qa1 23.Qc1 Qa4 24.Qc2 Qa1 25.Qb1 Qa4 26.Qc2 Qa1 27.Qb1 Qa4 28.Qc2=) 21...c5 (21...Qf2!? 22.Rf1 Qa7+/-) 22.Re1 Rd8 (22...Re1 23.Ke1 Be6 24.Bd5+-) 23.Bd5 Bb5 24.Bf7 (24.Qb3 Qa5 25.Bf7 Kh8+-) 24...Kh8 25.Qe6 (25.Qb3 Qc6 26.Re3 Ba4+-) 25...Qa7 (25...Qb8 26.Qe7+-) 26.Qe7 Qb8 27.Bc4 (27.Qc5!? Bd3 28.Nb4 Bb5+-) 27...Ba4 28.Kc1?? (better 28.Bb3! Bb3 29.Nb3+=) 28...Qb2-+ 29.Kd1 Bc2 (better 29...Qc2 30.Ke2 Re8 31.Qe8 Be8-+) 30.Ke2-/+ Qd4 31.Kf1 Bd3 32.Bd3 (32.Kg1 Bc4 33.Nc4 f4-/+) 32...Qd3-+ 33.Re2 h5 (better 33...Ra8!? 34.g3 c4-+) 34.Nf3-/+ (34.Qc5?? Ra8 35.Nb3 Qb3-+) 34...c4 35.h4 (35.Ne5 Be5 36.Qe5 Kh7 37.Qe7 Kh6 38.f4-/+) 35...c3 (better 35...Ra8 36.Kg1 c3-+) 36.Qg5?? (better 36.Ne5 Qd1 37.Re1=) 36...c2 (36...Re8 37.g3 Qe2 38.Kg2-+) 37.Kg1 (37.Ne1 Qd1 38.Rc2-+) 37...Qd1 (37...Qe2?! 38.Qd8 Kh7 39.Ng5 Kh6 40.Nf7 Kh7 41.Ng5 Kh6 42.Nf7 Kh7 43.Ng5=) 38.Kh2 (38.Re1 Qe1! 39.Ne1-+) 38...Qe2 (better 38...c1Q 39.Re1 Qd6 40.Kg1 Qg5 41.Ng5 Qb4-+) 39.Qd8= Kh7 40.Ng5 Kh6 41.Qg8?? (better 41.Nf7 Kh7 42.Ng5 Kh6 43.Nf7 Kh7 44.Ng5=) 41...Be5 42.g3 (42.f4 Bf4 43.Kg1 c1Q) 42...Qf2 43.Kh1 (43.Kh3 Qg3) 43…c1Q 0-1. Zobbie (2590) - CristhianC92 (2770), Rated bullet game, lichess.org, 2021.

7.g3 ab4

8.ab4 c5 9.Ra8 cb4 10.Rb8 Qc7 11.Ra8 Ng4 12.Bg7 Kg7 13.Bg2 Qb6 14.0-0 f6 15.Qa1 e5 16.Qa5 Qd6 17.e4 d4 18.Nc4 Qe7 19.Nb6 Be6 20.Rf8 Kf8 21.Qa8 Kg7 22.Qa5 h5 23.Nd5 Qd7 24.h3 Nh6 25.Qb6 Bd5 26.ed5 Qd5 27.Ng5 Qd7 28.Ne6 Kf7 29.Nc5 Qf5 30.Bb7 Kg7 31.Bd5 g5 32.Qc7 Kg6 33.Nd7 h4 34.Be4 hg3 35.fg3 Qe4 36.de4 g4 37.Nf8 Kg5 38.Qd7 gh3 39.Qh3 Ng4 40.Rf5 1-0. Zobbie (2525) - tobyrizzo (2580), Rated bullet game, lichess.org, 2024.

8.ab4 Ra1

9.Qa1 Na6 10.b5 Nb4?? (better Nc5=) 11.Qb1 d4 12.Bd4 Nfd5? (better 12...Nbd5+/-) 13.Bg7+- Kg7 14.c4 Bg4 15.cd5 Nd5 16.Qb2 f6 17.Bg2 Qd7 18.h3 Bf5 (18...Bf3 19.Bf3 e5+-) 19.e4 Nf4 (19...e5 20.d4 ed4 21.Nd4+-) 20.gf4 Qd3 (20...Be6 21.Qc3+-) 21.ef5 e5 (21...Qf5 22.Nd4 Qc8 23.f5+-) 22.fe6 Re8 (22...Qf5 23.Nd4 Qf4 24.Bb7 Qe5 25.Kd1+-) 23.Nd4 c5 24.bc6 bc6 25.Bc6 (25.Bc6 Qd4 26.Qd4 (26.Be8 Qb2 27.Bd7 Qa1 28.Ke2 Qa6 29.Ke3 Qa3 30.Kd4 Qb2 31.Kd3 Qa3 32.Kc4 Qa6 33.Kb4 Qb7 34.Bb5 Qd5+=) 26...Re6 27.Ne4+-) 1-0. Zobbie (2570) - Yerlan_Ra (2565), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.Qa1 c5 10.bc5+= Nc6 (10...Nbd7 11.Bd4+=) 11.Nb3 (11.Bg2 b5+/-) 11...Re8 12.Bg2 Bg4 13.h3 Bf3 14.Bf3 Qd7 15.Kf1 e5 Black prepares d4 16.Kg2 e4? (better 16...Qe6!?+=) 17.Bf6+- ef3 18.ef3 Qf5?? (better 18...Bf6 19.Qf6 Re6+-) 19.Bg7 d4 (19...Qd7 20.Bh6 f5 21.Re1+-) 20.Bh6 (20.Bd4 Qd7+-) 20...g5 (20...Qe5 21.Bf4 Qg7 22.Re1+-) 21.Nd4 Qf6 22.Nc6 (better 22.Nf5! Qa1 23.Ra1 f6+-) 22...Qh6 23.Ne5 Qf6 (23...Qg7 24.Nd7 Rc8 25.Nf6 Kh8 26.h4+-) 24.Ng4 (24.Nc4 Qd8+-) 24...Qg6 (24...Qa1 25.Ra1 Kg7+-) 25.Nf6 (25.Nf6 Qf6 26.Qf6+-) 1-0. Zobbie (2615) - Revolverman (2520), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.Qa1 c5 10.bc5+= Nc6 (10...Nbd7 11.Bd4+=) 11.Bg2+/- Re8 (11...b5 12.cb6! Qb6 13.0-0+/-) 12.0-0 Bg4 13.h3 Bf5 (13...Be6 14.Ng5+/-) 14.Re1 (14.c4 Be6+-) 14...Qc8+/- 15.Kh2 Nb4 16.Qa4 (16.Qb1 e5 17.g4+- (17.Ne5 Qc5 18.c4 Qf2=+)) 16...Qc5? (16...Na6+=) 17.Bf6?? (better 17.Ba3+-) 17...Nc6?? (better 17...b5 18.Be7 Re7 (18...ba4?? 19.Bc5 Bc3 20.e4+-; 18...Qe7?! 19.Qb5 Nc2 20.Rd1=) 19.Qa8 Bf8=) 18.Bg7+- Kg7 19.Kg1 h6 (19...b5 20.Qa1 e5 21.c3+-) 20.e4 (20.Rb1 Bc8+-) 20...Bd7 (20...de4 21.Ne4 Be4 22.Re4+-) 21.Qb3 Na5 (21...Be6 22.d4 (worse 22.Qb7 Qc2 23.Qb1 Qb1 24.Rb1 d4+-) 22...de4 23.Qe6 (worse 23.Qb7 Qc2 24.Ne4 Bd5+-; worse 23.Ne4 Bb3 24.Nc5 Bc2+-) 23...fe6 24.dc5 ef3 25.Nf3+-) 22.Qd5 Qa3 (22...Qc7+-) 23.Qd7 (23.Qd7 Ra8 24.Qd4 Kh7 25.Ra1+-) 1-0. Zobbie (2570) - Revolverman (2570), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.Qa1 c6 10.Bg2 Nbd7 11.0-0 Nh5 12.c4 Bb2 13.Qb2 Ng7 14.b5 e6 15.Rb1 Nf6 (15...c5 16.e3+/-) 16.Ne5 (better 16.bc6 bc6 17.Ne5+/-) 16...Nf5? (16...cb5 17.Qb5 dc4 18.Nec4+/-) 17.Ndf3?? (better 17.bc6!? bc6 18.Nc6 Qc7 19.Qf6 Qc6 20.Bd5 Qc7+-) 17...Nd6 (better 17...c5!?+/-) 18.bc6+- bc6 19.Nc6 Qc7 20.cd5 (20.Qf6!? Qc6 21.Nd4 Qc5+-) 20...Nd5 21.Nce5 Nf5 (better 21...f6!? 22.Rc1 Qb7 23.Qb7 Bb7+/-) 22.e4 f6? (22...Nc3 23.ef5 Nb1 24.fg6+-) 23.Ng4 (better 23.Nc4+-) 23...h5 24.Nf6! (24.ef5?! hg4 25.Nd4 gf5 26.Nf5 Nc3+/-; 24.ed5?! hg4 25.Nd4 e5+/-) 24...Nf6 (24...Nf6 25.ef5 Zwischenzug; 24...Rf6 25.ed5 Zwischenzug) 25.ef5 e5? (better 25...ef5 26.Ne5 Kg7+-) 26.fg6 (26.Ne5?! Bf5 27.f4 h4+-; 26.Qe5?! Qe5 27.Ne5 Bf5+-) 26...e4 (26...Re8 27.Rc1 Qd6 28.Ne5 Qe5 29.Qe5 Re5 30.Rc8 Kg7 31.f4+-) 27.de4 (27.Ng5!? h4+-) 27...Ne4 28.Nh4 Nf2 (28...Nc3+-) 29.Bd5 Rf7 30.gf7 Kf8 (30...Qf7 31.Bf7 Kf7 32.Qf2 Ke7 33.Qc5 Kf7 34.Rf1 Bf5 35.Rf5 Ke8 36.Qc6 Kd8 37.Rf8 Ke7 38.Ng6) 31.Qh8 (31.Ng6) 31...Ke7 32.f8Q Kd7 33.Qhg7 1-0. Zobbie (2555) - HaroldShipman2023 (2590), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.Qa1 c6 10.Bg2 Bg4 11.0-0 Nbd7 12.h3 Bf3 13.Bf3 Re8 14.c4 e5 15.Bg2 Qe7 16.b5 Qf8 17.bc6 bc6 18.Qa4 e4 19.Qc6 ed3 20.ed3 dc4 21.Nc4 Rc8 22.Qf3 Nh5 23.Bg7 Ng7 24.Re1 Ne6 25.Nd6 Qd6 26.h4 h5 27.Bh3 Ne5 28.Qf6 Ng4 29.Bg4 hg4 30.h5 gh5 31.Re5 Rc1 32.Kh2 Qc6 33.Re4 Rf1 34.Kg2 Qc1 35.Re6 Rg1 36.Kh2 Rh1 37.Kg2 Qg1 0-1. Zobbie (2550) - jugador1208 (2515), Rated bullet game, lichess.org, 2023.

9.Qa1 c6 10.Bg2 Bg4 11.0-0 Bf3 12.Bf3 Nbd7 13.c4 Qb6 14.Bc3 dc4 15.Nc4 Qc7 16.Rc1 Rc8 17.Kg2 Ne8 18.Bg7 Ng7 19.Bg4 e6 20.h4 h5 21.Bf3 Nb6 22.Na5 (22.Qa5 Nc4 23.dc4 e5+=) 22...Ra8 23.Qf6 Nd5 24.Bd5 ed5 25.e4 Qd7 26.Nb3 Ne6 27.Re1 (27.Nc5 Nc5 28.bc5 de4 29.de4 Qd3=) 27...de4= 28.de4 Ra3 (28...b6 29.Qc3=) 29.Re3 Qd8 30.Qe5 Qf8 31.Rf3 (31.b5 Qe7=) 31...Qb4 32.Qb8 Kg7 33.Nd2?? (better 33.Qe5 Kg8 34.Qb8 Qf8 35.Qb7=) 33...Rf3-+ 34.Nf3 Qe4 35.Qe5 Qe5 36.Ne5 c5 37.Nc4 (37.Kf3 b5-+) 37...b5 38.Nd6 b4 (38...Nd4!? 39.Ne8 Kf8 40.Nc7-+) 39.Kf3 b3 40.Ke4 (40.Nc4-+) 40...b2 41.Nc4 b1Q 42.Kd5 Qd3 (42...Qd3 43.Kc6 Qc4-+) 0-1. Zobbie (2560) - maffpoderallerechte (2550), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.Qa1 c6 10.Bg2 Bg4 11.0-0 Bf3 12.Bf3 Nbd7 13.c4 e6 14.Rc1 Re8 15.b5 e5 16.cd5 Nd5 17.bc6 bc6 18.Rc6 N5f6 19.Ne4 Ne4 20.Be4 Nf8 21.Qa2 Qd7 22.Ra6 Ne6 23.Bd5 h5 24.Ra7 Qb5 25.Bc4 Qc5 26.Ra8 Ra8 27.Qa8 Nf8 28.Ba3 Qc7 29.Qd5 Qd7 30.Bd6 Qe6 31.Qc5 Qd7 32.Be5 Be5 33.Qe5 Nh7 34.h4 Nf8 35.Kg2 Qc6 36.f3 Qd7 37.d4 Qd8 38.d5 Nd7 39.Qf4 Qe7 40.e4 Ne5 41.Be2 Kg7 42.Qe3 f6 43.Qd4 Qd6 44.f4 Nf7 45.Bf3 Qa3 46.e5 fe5 47.fe5 Qa2 48.Kh3 Qb1 49.e6 Kf8 50.Qf6 Qf1 51.Kh2 Qf2 52.Kh1 Qf1 53.Kh2 Qf2 54.Kh3 Qf1 55.Kh2 ½-½. Zobbie (2515) - prydurok (2715), Rated bullet game, lichess.org, 2021.

9.Qa1 Nc6 10.b5 Nb4 11.Qb1 c5 12.c3 Nd3 13.ed3 Bf5 14.Be2 c4 15.Nh4 Be6 16.0-0 Qd7 17.dc4 dc4 18.Nc4 Qb5 19.Ba3 Qa6 20.Qb4 Nd5 21.Qe7 Nc3 22.Nd6 Ne2 23.Kg2 Qc6 24.f3 Nd4 25.Ne4 Nf5 26.Nf5 Bf5 27.Nd6 Be6 28.Rf2 Ra8 29.Ne4 Bf8 30.Nf6 Kg7 31.Nh5 gh5 32.Qg5 Kh8 33.Bb2 1-0. Zobbie (2550) - Riabko_A (2525), Rated bullet game, lichess.org, 2021.

9.Qa1 Nc6 10.b5 Nb4 11.Qb1 c5 12.c3 Nd3 13.ed3 Bg4 14.Bg2 Qa5 15.0-0 Qb5 16.Qc2 Rc8 17.h3 Bf5 18.Nh4 Bd3 19.Qc1 Bf1 20.Bf1 Nd7 21.Bb5 Ne5 22.Ndf3 Nc4 23.Bc4 dc4 24.Nd2 b5 25.Qe1 Rd8 26.Bc1 e6 27.Qe3 Rd5 28.Nhf3 h5 29.Kg2 Rd3 30.Qc5 Rc3 31.Bb2 Rb3 32.Bg7 Kg7 33.Ne4 b4 34.Qc4 Rb1 35.Qd4 Kh7 36.Nfg5 Kh6 37.h4 Rg1 38.Kg1 e5 39.Qe5 f6 40.Qf6 b3 41.Qh8 1-0. Zobbie (2600) - Ajvan93 (2515), Rated bullet game, lichess.org, 2024.

9.Qa1 Nc6 10.b5 Nb4 11.Qb1 d4 12.Bd4 Bg4 13.Qb4 Nd5 14.Qb2 e5 15.Ne5 Be5 16.Be5 Re8 17.Nc4 f6 18.Bd4 Bf3 19.Rg1 Qe7 20.e3 Ra8 21.Bg2 Bg2 22.Rg2 Nb4 23.Bf6 Qf8 24.Bc3 Ra2 25.Bb4 Rb2 26.Bf8 Rb1 27.Kd2 Kf8 28.f4 Rf1 29.Re2 Rh1 30.e4 h5 31.e5 h4 32.e6 h3 33.e7 Ke8 34.b6 Kd7 35.bc7 Kc6 36.e8Q Kc5 37.Qe6 Kb4 0-1. Zobbie (2500) - Torjaeger10 (2665), Rated bullet game, lichess.org, 2022.

9.Qa1 Nc6 10.b5 Nb8 11.Bg2 Nbd7 12.0-0 e6 13.c4 c6 14.Rc1 dc4 15.bc6 bc6 16.Nc4 c5 17.Na5 Qb6 18.Nc4 Qc7 19.Nfe5 Ne5 20.Be5 Qd8 21.Qa7 Nd5 22.Qc5 Bb7 23.h4 Be5 24.Ne5 Qf6 25.Nd7 Qe7 26.Qe7 1-0. Zobbie (2500) - kubus20071 (2510), Rated bullet game, lichess.org, 2022.

9.Qa1 Qd6!?=+.

9.Qa1 Nbd7 10.Bg2 c5 11.bc5 Nc5 12.0-0 Qb6 13.c4 Nb3 14.Nb3 Qb3 15.Nd4 Qb6 16.cd5 Bd7 17.Rb1 Qd6 18.Ba3 Qe5 19.Rb7 Bg4 20.Re7 Qg5 21.h3 Bc8 22.e4 Ba6 23.Bc1 Qh5 24.Bf3 Qh3 25.Qa6 Ne4 26.de4 Bd4 27.Bg2 Qg3 28.Be3 Be3 29.fe3 Qe3 30.Kh2 Qh6 31.Kg1 Qe3 32.Kh2 Qc1 33.Kh3 Qh6 0-1. Zobbie (2510) - Baur079 (2545), Rated bullet game, lichess.org, 2022.

9.Qa1 Nbd7 10.Bg2 c6 11.0-0 Nb6 12.c4 Be6 13.c5 Nbd7 14.Nd4 Ne5?? (better 14...Nb8+=) 15.Ne6+- fe6 16.Be5 1-0. Zobbie (2575) - MiauCat (2570), Rated bullet game, lichess.org, 2021. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.Qa1 Nh5 10.Bg2 (10.Bg7 Ng7 11.Bg2 Qd6+=) 10...Bb2 (10...Nf6!?=) 11.Qb2+= c6 12.0-0 Ng7 13.c4 White intends b5 13...dc4 14.Nc4 Nd7 15.b5 c5 16.b6 Ne6 17.Bh3 (17.Ra1 Nb8+/-) 17...Nf6 (17...Ng7 18.Rc1 Nb6 19.Nb6 Bh3 20.Rc5 f6+=) 18.Bg2 Bd7 (18...Nd7 19.Ra1 Nb8+-) 19.Nfe5+/- Qc8 (19...Bc8 20.Na5 Nd5 21.Rb1+=) 20.Ra1 Nd4 21.Nd7 (21.e3 Nc6+-) 21...Qd7+/- 22.Ra7 Nc6? (22...Nd5 23.e3 Nc6 24.Qb5+/-) 23.Ra3 (23.Ne5 Ne5 24.Qe5 Qb5 25.Rb7 Ng4+-) 23...Nd5 (23...Qe6 24.Bc6 Qc6 25.Ra7+/-) 24.Ne5 (better 24.Qb5!?+-) 24...Ne5+= 25.Qe5 e6 26.Ra7 Qc6 (26...Rc8!?+=) 27.Bd5+/- ed5 28.Qc7 Qc7 29.bc7 Rc8 30.Rb7 Kg7 31.Kf1 Kf6 (31...f5 32.g4 fg4=) 32.Ke1 (32.Rb6!? Ke7 33.Rc6+-) 32...Ke6 (32...Ke7 33.g4=) 33.Kd2 (33.Rb6 Kd7 34.Rf6 Rf8+/-) 33...Kd6 (33...Kd7 34.d4=) 34.e4 (34.Rb6 Kc7 35.Rf6 Rf8+=) 34...de4= 35.de4 Rc7 36.Rb6 Rc6 37.Rb7 Rc7 38.Rb5 Ke7 (38...Ra7 39.h3=) 39.Kc3 Ra7 (39...Kd6 40.f4+=) 40.Rc5+= Ra2 41.f4 Rh2 42.Kd4 Kf8 43.Rc7 Kg7 44.Ke5 (44.e5 Re2+=) 44...Rg2 (44...Rh3 45.g4 h5 46.gh5 gh5=) 45.f5 (better 45.Rc3+=) 45...Rg3?? (better 45...gf5 46.Kf5 Rg3=+) 46.f6+- Kh6 47.Rf7 Rg5 48.Ke6 Rg1 (48...Rb5 49.Rc7 Rb8+-) 49.e5 Rf1 50.Re7 g5 51.f7 (51.Re8 Kg6+-) 51...g4?? (51...Kg7 52.Kd6 h5+-) 52.Re8 Rf7 (52...Kg5+-) 53.Kf7 Kh5 54.Rg8 h6 (54...Kh4 55.e6 Kh3 56.e7 Kg2 57.e8Q Kh3 58.Qe3 Kh4 59.Qg1 Kh3 60.Qg4 Kh2 61.Qg2) 55.e6 Kh4 56.e7 h5 (56...Kh3 57.e8Q h5 58.Qe3 Kg2 59.Rd8 g3 60.Qe2 Kh3 61.Qh5 Kg2 62.Qe2 Kh1 63.Rd1) 57.e8Q Kh3 (57...Kg3 58.Qe3 Kg2 59.Rd8 g3 60.Qe2 Kh3 61.Qh5 Kg2 62.Qe2 Kh1 63.Rd1) 58.Qe3 g3 (58...Kg2 59.Rd8 g3 60.Qe2 Kh3 61.Qh5 Kg2 62.Qe2 Kh1 63.Rd1) 59.Rg3 (59.Qg3) 59...Kh4 60.Qf4 1-0. Zobbie (2550) - Avinash2004 (2695), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 b6

7.c4 Bb7 8.cd5 Nd5 9.Bg7 Kg7 10.Qb3 e6 11.g3 Nd7 12.Bg2 N7f6 13.0-0 a5 14.b5 Qd7 15.Ne5 Qe7 16.Rfc1 Rac8 17.a4 Ba8 18.Rab1 Nb4 19.Ba8 Ra8 20.Nc6 Nc6 21.Rc6 Nd5 22.Rbc1 Rac8 23.R6c4 h5 24.Nf3 Qf6 25.h4 Rfd8 26.Ng5 Rd7 27.Ne4 Qe5 28.Rc6 Nb4 29.R6c4 c5 30.bc6 Rdc7 31.f4 Qd5 32.Qb2 Kf8 33.Nf6 Qf5 34.Nd7 Kg8 35.Nb6 Rc6 36.Nc8 Rc4 37.Rc4 Qg4 38.Nd6 Qg3 39.Kf1 Qh3 40.Ke1 Qh1 41.Kd2 Qd5 42.Ne8 Kf8 43.Nf6 Qd8 44.Nd5 Nd5 45.Rc7 Qc8 46.Rc8 1-0. Zobbie (2585) - Revolverman (2530), Rated bullet game, lichess.org, 2024.

7.c4 Bb7 8.g3 c5 9.Bg2 dc4 10.Nc4 cb4 11.ab4 Nc6 12.Qb3 (12.b5 Na5+=) 12...Nd5 (12...b5!? 13.Na5 Na5 14.Ra5 a6=) 13.Bg7+/- Kg7 14.b5 Nb8 15.0-0 f6 16.Nd4 Nd7?? (better 16...Qd7 17.Ne3 e5+/-) 17.Ne6+- (17.Ne6 Kh8 18.Nd8 Rfd8 19.d4+-) 1-0. Zobbie (2650) - AnnaSchach (2545), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 c5 8.Bg2 Bb7 9.0-0 Nbd7 10.Re1 Rc8 11.e4 d4 12.b5 e5 13.Nc4 Qe7 14.a4 Nh5 (14...a6 15.c3=) 15.a5+= Rb8 16.ab6 ab6 17.Ra7 Rfc8 18.c3 dc3 19.Bc3 e5 becomes the focus of attention 19...Rc7 20.Qb3 Bf6 (20...Qe6 21.Rea1+/-) 21.Rea1 Ng7 22.Ne3 (22.Qb2!?+/-) 22...Ne6+= 23.Nd5 Bd5 24.ed5 (24.Qd5 Rd8+=) 24...Ra7= 25.Ra7 Nd4 26.Bd4 ed4 27.d6 (better 27.Bh3 Rd8 28.Rb7+=) 27...Qe6?? (better 27...Qd6 28.Bh3 Rd8=) 28.Qe6+- fe6 29.Rd7 Rd8 (29...h6 30.Bh3 e5 31.Be6 Kh8 32.Rf7+-) 30.Rb7 Rd6 31.Nd2 (31.Nd2 Rd8 32.Ne4+-) 1-0. Zobbie (2585) - leoajedrez (2555), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 c5 8.Bg2 Nc6 9.c3 a5 10.b5 Na7 11.a4 Bb7 12.0-0 Nc8 13.Re1 Re8 14.e4 de4 15.de4 Qd3 (15...e5 16.Nc4 Be4 17.Qd8 Rd8 18.Nfe5 Bg2 19.Kg2+=) 16.Bf1 Qd7 17.Qc2 e5 18.Nc4 Qc7 19.Rad1 Re6 20.Bh3 Re7 21.Nfd2 Nd6 (21...Re8!?+=) 22.Nd6+/- Qd6 23.Nc4 Qc7 24.f3 (24.Rd6 Rb8+/-) 24...h5 (24...Ne8 25.Bc1+=) 25.Re2 (25.Rd6 g5+-) 25...h4 (25...Bc8 26.Bc8 Rc8 27.Rd6+/-) 26.Red2 (26.Rd6 Rb8+/-) 26...hg3 27.hg3 Nh5? (27...Bc8 28.Rd8 Re8 29.Rc8 Rac8 30.Bc8 Rc8 31.Rd6+/-) 28.Kf2 (28.Rd7!? Rd7 29.Rd7 Qb8+-) 28...Bh6 (better 28...f5+/-) 29.Rd7 Rd7 30.Rd7 (30.Bd7?! Rd8 31.Bh3 Bf8+=) 30...Qb8 31.Nb6 (31.Qb3 Nf6 32.Ne5 c4 33.Qc4 Qe5 34.Qf7 Kh8 35.Qg6 Bf8 36.Rb7 Be7+-) 31...Ra7? (better 31...Bc6 32.Na8 Bd7 33.Bd7 Qa8+-) 32.Qb3 Ba8 (32...Qf8+-) 33.Qf7 (33.Qf7 Kh8 34.Qh7) 1-0. Zobbie (2565) - Mr_Cheng423 (2545), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 c5 8.Bg2 Nc6 9.c3 Bb7 10.0-0 Rc8 11.Re1 Re8 12.e4 e5 (12...de4 13.de4 cb4 14.ab4=) 13.b5 (13.ed5 Nd5 14.b5 Na5+=) 13...Na5= 14.ed5 Nd5 15.Nc4 (15.c4 e4 16.de4 Bb2 17.ed5 Re1 18.Qe1 Ba1 19.Qa1 a6 20.ba6 Ba6=) 15...f6 (better 15...Nc4!? 16.dc4 Nc7=+) 16.Na5+= ba5 17.Nd2 a6 18.c4 ab5 19.cb5 (19.Qc2!?+/-) 19...Qd7 20.a4 Nb6 (20...Nb4!? 21.Bb7 Qb7 22.Qb3 Kh8=) 21.Nc4 Bg2 (21...Nc4 22.dc4 Qc7 23.Bb7 Qb7 24.Qd5 Qd5 25.cd5+=) 22.Kg2 (22.Nb6 Qb7 23.Nc8 Bh3+-) 22...Nd5 (22...Nc4 23.dc4 Qc7 24.Qd5 Kf8 25.Rad1+=) 23.Na5+/- Ra8 (23...Nb4 24.Qb3 Kh8 25.Ra3+/-) 24.Nc4 (24.Nc6+/-) 24...f5? (better 24...Nb4!?+=) 25.Qb3 (25.Ne5 Be5 26.Re5 f4+-) 25...Kh8 (better 25...e4 26.Reb1 Rab8+-) 26.Ne5 Qb7 27.Nf3 (27.Nc6 Re1 28.Re1 Qf7 29.Bg7 Kg7+-) 27...Nb4? (27...Re1 28.Re1 (worse 28.Ne1 Nf4 29.Kg1 Ne2 30.Kf1 Nd4 31.Bd4 Bd4-+) 28...f4 29.Bg7 Kg7 30.Re5+-) 28.Re8 (28.Bg7 Qg7 29.d4 Red8+-) 28...Re8 29.d4! f4 (29...cd4 30.Qb4 Deflection; 29...Bd4 30.Bd4 Pinning) 30.dc5 Nd5 31.c6 fg3 (31...Qf7 32.Bg7 Kg7 33.Qb2 Kg8+-) 32.cb7 (32.cb7 Nf4 33.Kg3 Ne2 34.Kg4+-) 1-0. Zobbie (2560) - financieru (2585), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 c5 8.Bg2 Nc6 9.c3 Qd6 10.b5 Ne5 11.Ne5 Qe5 12.Qb3=.

7.g3 c5 8.Bg2 Nc6 9.bc5 bc5 10.c4 Rb8 11.cd5 Qd5=.

7.g3 Bb7

8.Bg2 c5 9.0-0 Nc6 10.c3 Re8 11.Re1 e5 12.e4 de4 13.de4 Qe7 14.Nc4 Rad8 15.Qc2 (15.Qa4!?=) 15...b5=+ 16.Ne3 c4 17.a4 a6 18.ab5 ab5 19.Nd2 Rd3 20.Bf1 Rd6 21.Bg2 Red8 22.Nd5 Qe6 23.Nf3? (23.Bc1=+) 23...h6?? (better 23...Nd5!? 24.ed5 Qd5-/+) 24.Nh4 (better 24.Nc7!? Qd7 25.Nb5+=) 24...Ne7 25.Ne3 (25.Ne7 Qe7 26.Bc1 Rd3=+) 25...Rd2 26.Qb1 (26.Rad1 R2d3 27.f3 Qb6 28.Rd3 cd3-/+) 26...Ne4 27.Be4 Be4 28.Qe4 Rb2 29.Ra5 Rdd2 (29...Qb6 30.Rd1 Rd1 31.Nd1-+) 30.Rf1? (30.Rb5 Rf2 31.Nd1 Rh2 32.Nb2 Rb2-/+) 30...Qd7 (30...Nd5 31.Nf3 Rd3 32.Ne1-+) 31.Qa8 (better 31.Nf3 Rd5 32.Nd5 Qd5 33.Re1 Qe4 34.Re4=) 31...Kh7-+ 32.Ra7 Qd6 (better 32...Qe6!?-+) 33.Qb7 (better 33.Qe8 Nd5 34.Nd5 Qd5 35.Rf7+-) 33...Bf6?? (33...Nd5 34.Qf7 Qf6 35.Nd5 Qf7 36.Rf7 Rd5+=) 34.Nf3 Kg7 35.Nd2 Rd2 (35...Qd2 36.Qb5 Qd6 37.Ra8+- (37.Qc4?! Bg5+-)) 36.Qb5 Qd3 37.Qc4 (37.Nc4?! Rd1 38.Rd1 Qd1 39.Kg2 Qd3+-) 37...Qc4 (37...e4 38.b5+-) 38.Nc4 Rc2 (38...Rd3 39.b5+-) 39.Ra3 (better 39.Nd6 g5 40.Rd1 Kg6+-) 39...Nd5 40.Nd6 Rc3?? (40...Be7 41.Nb5 Bg5+-) 41.Rc3 Nc3 42.b5 (better 42.Ne8 Kg8 43.Nf6 Kg7+-) 42...Ne2 (42...Be7 43.Nc8 Bg5+-) 43.Kg2 e4 (43...Be7 44.Nc8 Bg5+-) 44.b6 (better 44.Ne8 Kf8 45.Nf6+-) 44...Nc3 (44...Be5 45.Nc4 Bb8+-) 45.b7 (45.Ne8 Kf8 46.Nf6 Ke7+-) 45...Bd4 46.b8Q Ne2 47.Ne8 (47.Ne8 Kg8 48.Rd1+-) 1-0. Zobbie (2585) - twoyearsold (2575), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 c5 9.0-0 d4 10.c3 Nc6 (10...dc3 11.Bc3 Nbd7 12.Rc1=) 11.b5 (11.bc5!? bc5 12.Nb3+=) 11...dc3= 12.bc6 (better 12.Bc3 Nd4 13.Nd4 Bg2 14.Ne6 fe6 15.Kg2 Qd5 16.Nf3=) 12...cb2-/+ 13.cb7? (better 13.Rb1!? Bc6 14.Qc2-/+) 13...ba1Q-+ 14.ba8Q Qd1 (14...Qa8? 15.Qa1 Nd5 16.d4+-) 15.Qd8 (15.Rd1?? Qa8 16.Nc4 Qc8-+) 15...Qf1!! (15...Rd8? 16.Rd1 Nd5 17.Kf1+-) 16.Bf1 (16.Nf1 Rd8 Zwischenzug; 16.Kf1 Rd8 Zwischenzug; 16.Bf1 Rd8 Zwischenzug) 16...Rd8 17.Nc4 (17.Ne5 b5-+) 17...Nd5 18.e4 (18.Nfe5 b5 19.Nc6 Rd7-+ (19...bc4?! 20.dc4 Rd7 21.cd5-+)) 18...Nc3 19.e5 b5 20.Na5 Rd5 21.Nc6 Kf8 22.Bg2 (22.Ne1 b4 (22...Be5?! 23.Bg2 Bc7 24.Bd5 Nd5 25.Na7-+) 23.ab4 cb4 24.Nb4 Re5-+) 22...Rd7 (22...Rd3 23.h3-+) 23.e6 (23.Ng5 Rd3 24.Nh7 Kg8-+) 23...fe6 (23...Rd3 24.Na7 fe6 25.h4-+) 24.Ng5 Rd6 (24...Rd3!? 25.Ne6 Kf7 26.Nc5 Rd1 27.Bf1-+) 25.Na7 h6 26.Ne4 Ne4 (26...b4 27.ab4 cb4 28.Nd6 ed6 29.d4-+) 27.Be4 c4 (better 27...b4!? 28.ab4 cb4 29.Kf1-+) 28.dc4 (better 28.Nb5 c3 29.d4-+) 28...bc4 29.Nb5 Rd1 (29...Rd2 30.Bg6 c3 31.Nc7-+) 30.Kg2 Ra1 (30...Kf7 31.h4-+) 31.Kf3 (31.Bg6 Ra2 32.Kf3 Bb2-+) 31...c3 (better 31...g5-+) 32.Bg6 Ra2 33.Ke3 Be5 34.f4 (34.h3 Bd6-+) 34...Bd6 (better 34...Bf6!? 35.Nc7 e5 36.Ne6 Kg8 37.h3-+) 35.Kd3 Ba3 (35...e5 36.Kc3 Rh2 37.Nd6 ed6 38.fe5 de5 39.g4-+) 36.Nc3 (36.Kc3!? e5 37.Bb1-+) 36...Rh2-+ 37.Ne4 Bd6 38.Ke3 Rg2 39.Kf3 Rb2 40.Nf2 (40.Kg4 Rb8-+) 40...Rb3 41.Kg4 Kg7 42.Ne4?? (42.Be8-+) 42...Kg6 43.Nf2 (43.Nd2 h5 44.Kh3 Rd3-+) 43...Rb4 (43...h5 44.Kh3-+) 44.Kh4 (44.Nd3 Rd4 45.Nc1 e5-+) 44...Rb2 (better 44...e5 45.Kh3 ef4 46.gf4 Rb3 47.Kg2-+) 45.Ne4 (45.Nd3 Rb3 46.Nf2 e5 47.f5 Kf5 48.g4 Kg6-+) 45...Rh2 (45...Kf5 46.g4 Ke4 47.Kh5 Rh2 48.Kg6 Kf4 49.Kf7-+) 46.Kg4 Re2 47.Kf3 Re4! 48.Ke4 h5 (48...h5 49.Ke3 Bf4 50.Kf4 e5 51.Ke4 Kg5-+) 0-1. Zobbie (2600) - xx_bob (2590), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 c5 9.0-0 Nbd7 10.Re1 Rc8 11.e4 de4 12.de4 Qc7 13.Rc1 (13.c4 Rfd8=) 13...cb4 14.ab4 Rfd8 15.Qe2 e6 16.c4 (16.Nd4 e5 17.Nb5 Qb8=) 16...a5 (16...Ne4!? 17.Ne4 Be4 18.Bg7 Bf3 19.Qf3 Kg7 20.Qc3 Kg8-/+) 17.ba5 ba5 18.c5 (18.e5!? Ng4 19.Rc2=) 18...Nc5-/+ Pawn e4, live or die! 19.Ba3 Nfd7 20.Nc4? (20.Qe3 a4=+) 20...Ba6 (better 20...Be4 21.Red1 Bd5-+) 21.Qe3=+ Bc4 (21...f6 22.e5 Bc4 23.Rc4 fe5 24.Rec1+/-) 22.Rc4 Qb6 23.h4 (better 23.Rec1!? Bf8 24.Ne1=+) 23...Na6 24.Rc8 Rc8 25.Qf4 (25.Rc1 Rc1 26.Qc1 Nac5-/+) 25...e5 (25...Rc2 26.Re3-+) 26.Qg4 (better 26.Qd2 Ndc5 27.Rc1-/+) 26...Nb4?? (better 26...Rc2 27.Re3 Nf6-/+) 27.Qd7+- Rd8 28.Qe7?? (28.Qa4 Nd3 29.Re3 Nc5+-) 28...Nc2?? (better 28...Bf6 29.Qd8 Qd8-+) 29.Rf1 (29.Bc5!? Qb8 30.Rc1 Re8+-) 29...Na3 30.Ng5 (30.Qa3 Qb4 31.Ra1 Rd1 32.Kh2 Ra1 33.Qa1 a4+-) 30...Qf6 (30...Nb5 31.Qf7 Kh8+-) 31.Qc7?? (better 31.Qa3 Ra8 32.Qa4+-) 31...h6-/+ 32.Nf7 (better 32.f4 Re8 33.Qa5 hg5 34.Qa3 gh4 35.gh4 ef4 36.Qh3-/+) 32...Nb5?? (better 32...Rd3 33.Nh6 Bh6 34.Qa5 Nc4-+) 33.Qa5 (better 33.Qd8 Qd8 34.Nd8+-) 33...Qf7? (33...Kf7 34.Qb5 Kg8 35.Qb3 Qf7 36.Qe3+/-) 34.Qb5?? (better 34.Qd8 Kh7 35.Qd5+-) 34...Rd4 35.Re1 Kh7 1-0. Zobbie (2595) - lamboliu (2550), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 Nbd7 9.0-0 c5 10.c4 d4 11.e3 e5 12.e4 Ne8 13.Qc2 Nd6 14.Rfe1 f5 15.ef5 gf5 16.Nh4 Bg2 17.Kg2 f4 18.Ne4 Ne4 19.Re4 Qg5 20.Rae1 Rae8 21.Qe2 Rf7 22.Nf3 Qh5 23.Nd2 Qf5 24.gf4 Re6 25.fe5 Rg6 26.Kh1 Qh3 27.f4 Bh6 28.Qf3 Qf3 29.Nf3 Rf4 30.e6 Nf6 31.e7 Ne8 32.Ne5 Re6 33.Bc1 Re4 34.Re4 Bc1 35.Kg2 Re7 36.Ng4 Re4 37.de4 Kg7 38.Kf3 Nf6 39.b5 Ng4 40.Kg4 Kf7 41.a4 h5 42.Kh5 Kf6 43.Kg4 Ke5 44.Kf3 Be3 45.h4 Bh6 46.Ke2 Bg7 47.Kd3 Bh6 48.h5 Kf4 49.a5 ba5 50.e5 Ke5 51.b6 ab6 52.Kc2 Ke4 53.Kb3 d3 54.Ka4 d2 55.Kb5 Kd4 56.Ka6 Kc4 57.Kb7 d1Q 58.Ka6 Qd6 59.Kb7 b5 60.Ka7 b4 61.Kb7 a4 62.Ka7 a3 63.Ka8 a2 64.Kb7 a1Q 65.Kc8 Qa8 0-1. Zobbie (2550) - Crushing_Kings (2525), Rated bullet game, lichess.org, 2024.

6.Ngf3 c5

7.c3 cb4 8.ab4 Nc6 9.g3 a6 10.Bg2 Bg4 11.0-0 e5 12.e4 de4 13.de4 Qd3 14.h3 Be6 15.Ne1 (15.Qb1!? Qd7 16.Kh2=) 15...Qd7-/+ 16.Qe2 (16.Kh2 Rfd8 17.Nef3 Qd3=+) 16...Bh3 17.Ndf3 Rad8 18.Nc2 Bg2 19.Kg2 Nh5 20.Ne3 f5 (better 20...Qe6!?-/+) 21.ef5= gf5 22.Rad1 (22.Ng5 f4 23.Qh5 h6=) 22...Qf7 (22...Qe8 23.Rd8 Nd8 24.Nh4-/+) 23.Nh4 (23.Ng5!? Qg6 24.Qc4 Kh8 25.Ne6 Nf4 26.Nf4 ef4 27.Qf4=) 23...f4-/+ 24.Nef5 Kh8 (24...Nf6 25.Nd6 Qc7 26.Qc4 Kh8 27.Rh1=+) 25.Qg4 (25.g4 Nf6=+) 25...Bf6 (25...Nf6 26.Qg7 Qg7 27.Ng7 Kg7 28.gf4 ef4 29.Nf5 Kg6 30.Nd6-/+) 26.Nd6 Rd6 27.Rd6 Rg8 28.Qf5 (28.Rd7 Ne7 (worse 28...Rg4 29.Rf7 Nd8 30.Rf6 Nf6 31.c4=+) 29.Re7 A) 29...Rg4 30.Rf7 Ng3 31.Kf3 (31.Rf6?! Ne4 32.Kh3 Nf6+-) 31...Nf1 32.Kg4 Nh2 33.Kh5 Bh4 34.Kh4+-; B) 29...Qe7?! 30.Qh5 Bh4 31.c4-/+; C) 29...Be7-/+) 28...fg3 (28...Ne7 29.Qe6 Qe6 30.Re6 fg3 31.Rf6 Nf6 32.fg3-/+) 29.fg3-/+ Rg3 (better 29...Qg7!? 30.Rf3 Nf4 31.Kf1 Bh4-+) 30.Kh2= Ne7 (30...Qc4 31.Qh5 A) worse 31...Qh4 32.Qh4 Bh4 33.Rd7+-; B) 31...Bh4? 32.Rd7 Be7 33.Rf8 (33.Kg3?! Qf1 34.Qe8 Bf8=) 33...Kg7 34.Re8+- (34.Kg3?! Kf8 35.Qf5 Ke8 36.Rb7 e4+/-); C) 31...Rg5 32.Ng6 Kg7 33.Rd7 Ne7=) 31.Rf6+/- Nf5 32.Rf7 Nh4 33.Rf8 (better 33.c4 Rg2 34.Kh3 Rb2 35.Kh4+/- (worse 35.Rb7 Ng6=+)) 33...Kg7= 34.R1f7 Kh6 35.Bc1 (worse 35.Rb7 Nf3 36.Rf3 Rf3-/+) 35...Kg6 36.Rf2 (36.Rf1 Kg7 37.c4 Rc3 38.R8f7 Kg6=) 36...Rc3=+ 37.Rg8? (37.Rf1!? Rc2 38.Kh3=) 37...Ng7-/+ 38.Rg2?? (better 38.Bb2 Re3 39.Rb8-/+) 38...Ng2-+ 39.Kg2 Rc2 40.Bd2 (40.Kf3 Rc1 41.Rd8 Nf5 42.Rg8 Kf6-+) 40...Rd2 41.Kf3 Rd4 42.Ke3 (42.b5 ab5 43.Rb8 h5-+) 42...Rf4 (better 42...Rb4 43.Rd8 h5-+) 43.Rg7 (43.b5-+) 43...Kg7 44.Kd3 Rb4 45.Kc3 Rd4 46.Kb3 Kg6 47.Ka3 Kf5 (47...Kf5 48.Kb2 h5 49.Kc3 h4 50.Kb2 h3 51.Ka2 Rb4 52.Ka3 a5 53.Ka2 h2 54.Ka3 h1Q 55.Ka2 Qg2 56.Ka3 Qb2) 0-1. Zobbie (2550) - BENZ1387 (2590), Rated bullet game, lichess.org, 2020. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.c3 cb4 8.ab4 Nc6 9.g3 d4 10.Nd4 Nd4 11.cd4 Nd5 12.b5 f5 13.e3 f4 14.gf4 Qd6 15.Nc4 Qf6 16.Bg2 Qh4 17.Bd5 Kh8 18.Qf3 Bg4 19.Qg3 Qh5 20.Bb7 Rad8 21.Ra7 e5 22.Ne5 Be5 23.de5 Rd3 24.0-0 Rd2 25.Ba1 Bf3 26.Bf3 Qf5 27.e6 Kg8 28.e7 Re8 29.Bg4 Qf7 30.Qh3 Ra2 31.Ra2 Qa2 32.Be6 Qe6 33.Qe6 1-0. Zobbie (2500) - EpicEffects (2530), Rated bullet game, lichess.org, 2023. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.c3 Qb6 8.Qb3=+.

7.c3 Nc6 8.g3 (8.bc5 e5=) 8...cb4 9.ab4 a6 10.Bg2 e5 (10...Qb6 11.0-0=) 11.0-0 (11.b5!? e4 12.de4 de4 13.bc6 ef3 14.Bf3+=) 11...e4 12.de4 de4 13.Ng5 e3 14.fe3 (14.Nc4 h6 15.Ne4 Ne4 16.Be4 ef2 17.Rf2 Be6=+) 14...Ng4-/+ 15.Ndf3 (better 15.Nde4!? Qd1 16.Rfd1 Ne3 17.Rdb1 Ng2 18.Kg2-+) 15...Ne3-+ 16.Qd8 Rd8 17.Rfc1 (17.b5 Nf1 18.Kf1 Ne7-+) 17...Bf5 (17...Nb4 18.Nd4 Nbd5 19.Bd5 Rd5 20.Ngf3-+) 18.Bh1? (better 18.Nh4-/+) 18...h6-+ 19.Nh3 (19.g4 Bg4 (19...hg5?! 20.gf5 Nf5 21.Ne1-+) 20.Ne4 Nb4-+) 19...Bh3 20.Kf2 (20.Nd4 Bd7 21.Nb3 Nc4-+) 20…Nc4 (20...Nc4 21.Ba3 Rac8-+) 0-1. Zobbie (2555) - GreatGodPratik (2580), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.c4 cb4 8.ab4 dc4 9.Nc4 Nc6 10.b5 Nb8 11.g3 Bg4 12.Bg2 Nbd7 13.h3 Bf3 14.Bf3 Nb6 15.Bb7 Rb8 16.Bc6 Nc4 17.dc4 Qc7 18.0-0 Rfd8 19.Qa4 Nh5 20.Bg7 Kg7 21.Qa7 Qe5 22.Ra3 Qe2 23.Re3 Qc4 24.Qe7 Rf8 25.Qe5 Nf6 26.Rf3 Qe6 27.Qb2 Qc6 28.Rc1 Qf3 29.Rc3 Qd1 30.Kg2 Qd5 31.Kh2 Rb5 32.Qa1 Kg8 33.Re3 Qf5 34.Qe1 Rb2 35.Kg1 Ne4 36.Re4 Rfb8 37.Rf4 Rb1 38.Qb1 Qb1 39.Kg2 Qb7 0-1. Zobbie (2570) - ILODUBA (2520), Rated bullet game, lichess.org, 2023.

7.bc5 Qa5+=.

7.g3 Na6 8.bc5 Nc5 9.Bg2=.

7.g3 Nc6 8.b5 Na5 9.a4 b6 (9...Qb6 10.Bg2=+) 10.Bg2= Bb7 11.0-0 e6 12.Re1 Rc8 13.e4 d4 14.Ne5 Nd7 15.Nec4 Nc4 16.Nc4 Ne5 17.Nd2 c4 18.Ba3 Re8 19.f4 c3 (19...cd3 20.fe5 dc2 21.Qf3 Be5 22.Bb2=+) 20.Nb3= Nd7 21.e5 Bg2 22.Kg2 Qc7? (better 22...f6!? 23.Nd4 Ne5 24.fe5 Qd4=) 23.Qf3 Red8? (better 23...Qd8 24.Bd6 Bf8 25.Bf8 Rf8+/-) 24.Re4 (better 24.Bd6 Ne5 25.fe5 Rd6 26.ed6 Qd6 27.Rf1+-) 24...Nc5= 25.Nc5 (25.Nd4 Ne4 26.Qe4 Rd5=) 25...bc5 26.h4 (26.Kg1 Qa5 27.Ree1 Qa4 28.Bc5 Qb5 29.Ba7 Qb2+=) 26...h5 27.g4 hg4 28.Qg4 c4 29.Rd1 (29.Qe2!?=+) 29...cd3 30.Rd3 Qb7 (30...Qc4 31.Qd1 Qd5 32.Qe2-/+) 31.Qf3=+ a6?? (better 31...Rc4=+) 32.Red4+/- Qf3 33.Kf3 (33.Rf3?? Rd4 34.b6 Bf8 (worse 34...Ra4 35.Bd6 Ra2 36.b7 Rc2 37.Rf2 Rf2 38.Kf2-+) 35.Bf8 Kf8-+) 33...Rd4 34.Rd4 ab5 35.ab5 Rb8 36.Rd7 (better 36.Rc4+-) 36...Rb5+= 37.h5 (better 37.Rd8!? Kh7 38.Ke4+=) 37...gh5=+ 38.Bd6 (better 38.Rd8 Kh7 39.Rc8-/+) 38...Kh7?? (better 38...Rb2-/+) 39.Rf7+/- Kg6 (39...Kg6 40.Re7 Rb1 41.Re6 Kh7+-) 0-1. Zobbie (2595) - DenisPonomarev (2700), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 cb4

8.ab4 a6 9.Bg2 Bf5 10.0-0 Nc6 11.c3 e5 12.Nh4 Be6 13.e4 de4 14.de4 Qd3 15.Qc1 Bh6 16.Rd1 Rfd8 17.Bf1 Qd7 18.Qc2 Bd2 19.Bc1 Qc7 20.Rd2 Rd2 21.Qd2 Rd8 22.Qg5 Kg7 23.Nf5 Bf5 24.ef5 e4 25.Bf4 Ne5 26.Qh6 Kg8 27.Kh1 Nfg4 28.Qh4 Nf2 29.Kg2 Qc3 30.Qd8 Kg7 31.f6 1-0. Zobbie (2530) - R07ughuzovv (2640), Rated bullet game, lichess.org, 2022.

8.ab4 Nbd7 9.Bg2 b6 10.0-0 Bb7 11.Nd4 (11.b5 a6=) 11...e5 12.Nb5 a6 13.Nd6 Bc6 14.c4 Qc7 15.cd5 Bd5 16.N6c4 Bg2 17.Kg2 b5 18.Na5 Rfe8 19.Rc1 Qd6 20.Rc6? (better 20.Qb3!?=) 20...Qb4-/+ 21.Bc3 Qe7 22.Qb3 Rac8 (better 22...e4!?-/+) 23.Bb4= (23.Ra6? Nc5 24.Bb4 Nb3 25.Be7 Nd2 (25...Re7?! 26.Nab3 h6 27.Rb6=) 26.Bf6 Nf1 27.Kf1 Rc1 28.Kg2 Ra1-+) 23...Nc5?? Black intends e4 (better 23...Qd8 24.Ra6 Nb8=) 24.Qa3?? (better 24.Bc5 Qd8 25.Rc8 Qc8 26.Rc1+-) 24...Rc6-/+ 25.Nc6 Qb7 26.Bc5 Qc6 27.f3 e4 (27...Bh6!? 28.Ne4 Nd5-/+) 28.Ne4 Ne4 29.fe4 f5 30.Kg1 fe4 31.Qb3 (31.d4 Qd5-/+) 31...Kh8 32.Qf7?? (better 32.d4-/+) 32...Qc5-+ 33.Kh1 (33.Kg2 Rf8 34.Qe6 Rf1 35.Kf1 Qf5 36.Qf5 gf5-+) 33...Qf8 (better 33...Rf8 34.Qf8 Bf8 35.d4-+) 34.Qf8 (34.de4 Qf7 35.Rf7 Rb8-+) 34...Rf8 35.Ra1 (35.Rb1-+) 35…ed3 (35...ed3 36.Ra6 de2-+) 0-1. Zobbie (2595) - JULIO_MIGUEL (2530), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.ab4 Nbd7 9.Bg2 Nb6 10.0-0 a6 11.c4 Re8 12.c5 Nbd7 13.e4 e5 (13...Ne4 14.Bg7 Nd2 15.Nd2 Kg7 16.Bd5 Nc5 17.Bf7 Kf7 18.bc5 Qd3 19.Qc1=+) 14.Re1 d4 15.Nc4 Nf8? (15...Qc7 16.Ra5+=) 16.Nd6 (better 16.Nfe5 Re7 17.Nb6+-) 16...Re7+= 17.Nc8 Rc8 18.Qb3 (18.Bh3 Rc6+=) 18...Ne6 (18...Qc7!?=) 19.Ne5+= Nc5 20.bc5 Re5 21.Qb7 (21.Ba3 Nd7+=) 21...Rec5?? (better 21...Rb8 22.Qa6 Rb2=+) 22.Qa6+/- Rc2 23.Ba3 (23.Rec1!?+/-) 23...Ng4+= 24.Rf1 R2c6 25.Qb5 Ne5 26.Rac1 (26.Rfb1!?+/-) 26...Rc1 (26...Rc3!? 27.Ra1 Nd3=) 27.Rc1+= Rc1? (better 27...Rb8!? 28.Qd5 Qd5 29.ed5 Nd3+=) 28.Bc1+/- Qc8 29.Bf4 Ng4 (better 29...Nc6+-) 30.Bh3 h5 (30...f5 31.Qd5 Kh8 32.Bg4 fg4+-) 31.f3 Qc2 (31...f5 32.Qd5 Kh7 33.fg4 hg4 34.Bg2+-) 32.fg4 hg4 33.Bg4 Bf8 34.Qc4 Qb1 35.Kg2 Kg7 (35...Qb2 36.Kf3 Qc3 37.e5+-) 36.h4 (36.Be5 Kg8 37.Be6 Qb7+-) 36...Qe1 (36...Qb2 37.Kh3 Qa1+-) 37.Qd4 Kg8 38.Qf2 (38.Qd8 Qb4+-) 38...Qb4 39.Be5 (39.d4 Be7+-) 39...Qe7 (39...Bg7 40.Bg7 Kg7 41.d4+-) 40.Qf6 Qf6 41.Bf6 Bg7 42.e5 Kf8 (42...Bf6 43.ef6 Kf8 44.Bd7+-) 43.d4 Bh6 44.d5 Bd2 45.d6 Bc3 46.d7 Ba5 47.d8Q Bd8 48.Bd8 Kg7 49.Bf6 Kf8 50.Bd7 Kg8 51.Kf3 Kh7 52.Kf4 Kh6 53.g4 Kh7 Plans Be8 54.Kg5 White intends h5 (54.h5 Kh6 55.g5 Kh7 56.hg6 fg6 57.e6 Kg8 58.Kg4 Kh7 59.e7 Kg8 60.e8Q Kh7 61.Qf7) 54...Kg8 55.h5 Kh7 (55...Kf8 56.h6 Kg8 57.e6 fe6 58.Kg6 Kf8 59.h7 e5 60.h8Q) 56.hg6 (56.e6 fe6 57.hg6 Kg8 58.Be6 Kf8 59.g7 Ke8 60.g8Q) 56...fg6 57.e6 Kg8 58.Kf4 (58.Kg6 Kf8 59.e7 Kg8 60.e8Q) 58...Kh7 (58...g5 59.Kg5 Kh7 60.e7 Kg8 61.e8Q Kh7 62.Bf5) 59.Ke5 (59.e7 Kh6 60.e8Q g5 61.Kf5 Kh7 62.Qg6) 59...Kg8 (59...g5 60.e7 Kh6 61.e8Q Kh7 62.Bf5 Kh6 63.Qh5) 60.e7 Kh7 61.e8Q (61.e8Q g5 62.Bf5 Kh6 63.Qh5) 1-0. Zobbie (2580) - Revolverman (2560), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.ab4 Nc6

9.b5 Nb8

10.c4 dc4 11.Nc4 Nbd7 12.Bg2 Nc5 13.0-0 Nh5 14.Bg7 Ng7 15.Qd2 b6 16.Nfe5 Bb7 17.Bb7 Nb7 18.Nc6 Qc7 19.Qe3 Nd6 20.Qe7 Nde8 21.Rfc1 Ne6 22.N4e5 Kg7 23.Nd7 Nd4 24.Nd4 Qd6 25.Qf8 Qf8 26.Nf8 Kf8 27.Nc6 Nd6 28.Ra7 Re8 29.Rb1 h5 30.Rd7 Nf5 31.e4 Ra8 32.ef5 Ra2 33.fg6 fg6 34.Ne5 h4 35.Rc1 Ra8 36.Rf7 Kg8 37.Rcc7 h3 38.Rg7 Kf8 39.Ng6 Ke8 40.Rge7 Kd8 41.Red7 Ke8 42.f4 Ra1 43.Kf2 Ra2 44.Kf3 Ra8 45.Re7 Kd8 46.Rh7 Rc8 47.Rcg7 Rc3 48.Rg8 1-0. Zobbie (2510) - pipita09 (2690), Rated bullet game, lichess.org, 2022.

10.Bg2 Qb6 11.Rb1=.

10.Bg2 Bd7 11.c4 dc4 12.dc4 Qc7 13.0-0 a6 14.Qb3 ab5 15.Ra8 bc4 16.Qc4 Qb6 17.Bd4 Qd6 18.Be5 b5 19.Qc1 Qb6 20.Rb8 Rb8 21.Bb8 Qb8 22.Qc2 h6 23.Qb3 Be6 24.Qb4 Nd5 25.Qc5 Nc3 26.Re1 b4 27.Nd4 Bd7 28.Ne4 Ne4 29.Be4 Ba4 30.Rb1 b3 31.Nb3 Bb3 32.Bc2 Qe5 33.Qe5 Be5 34.Bb3 Kg7 35.Rd1 e6 36.e3 Kf6 37.Rd7 Bc7 38.Rc7 h5 39.f4 h4 40.Kf2 hg3 41.hg3 g5 42.Kf3 gf4 43.gf4 e5 44.Rf7 Kg6 45.f5 Kg5 46.Rg7 Kh6 47.Rg6 Kh7 48.Kg4 e4 49.Kg5 Kh8 50.f6 Kh7 51.f7 Kh8 52.f8Q Kh7 53.Qg7 1-0. Zobbie (2585) - TTJudgeRush (2505), Rated bullet game, lichess.org, 2023.

10.Bg2 Nbd7 11.0-0 e6 12.c4 Re8 13.Qb3 dc4 (13...a5 14.Rfc1+=) 14.Nc4+/- Ng4 (14...a6 15.Bd4+/-) 15.Bg7 Kg7 16.Nd6 Rf8 17.Qb2 Qf6 18.d4 Nb6 19.Rfc1 Bd7 (better 19...Qe7 20.Qa3 Nh6+-) 20.Nb7 Rfc8 21.Nc5 Be8 (21...Qe7 22.h3 Nf6 23.Ne5+-) 22.h3 Nh6 23.Ne5 Nd5 24.e4 Nb6 25.Rab1 (25.Ned3!? Qe7+-) 25...Qe7 26.Qe2 f6 27.Ned3 Nf7? (27...e5+-) 28.d5 (better 28.e5 Rab8 29.Nb4+-) 28...ed5+/- 29.Qg4 de4 30.Be4 (better 30.Qe4 Qe4 31.Be4+- (31.Ne4?! Rc1 32.Nc1 Rb8+=)) 30...Nh6? (better 30...Rab8!?+/-) 31.Qf3 Rab8 32.Bc6 (32.Bb7 Rb7 33.Qb7 Qb7 34.Nb7 Rc1 35.Nc1 Nf7+-) 32...Bf7? (32...Nf7 33.Na6 Bc6 34.bc6+/-) 33.Nb4 (33.Na6 Nc4 34.Nb8 Nd2+-) 33...Qd6? (better 33...Nf5 34.Qg4 Rd8+=) 34.Nba6 Qe5 (34...Ra8 35.Rd1 Qe5 36.Ba8 Ra8 37.Qb7+-) 35.Re1 Qd4 (35...Qd6 36.Rbd1 Qf8 37.Nb8 Qc5 38.Nd7+-) 36.Re7 (36.Nb8?! Qc5 37.Nd7 Nd7 38.Bd7 Rc7+-) 36...Qd6 37.Rbe1 Nf5 38.Ra7 Nd4 (38...Qd2 39.Qd1 Qa2+-) 39.Qe4 (39.Qd3 Nf5 40.Qd6 Nd6 41.Ree7 Rc6 42.bc6+- (42.Nb8 Rc5 43.Rec7 Rb5-/+)) 39...Nc6 40.bc6 Rc6?? (40...Ra8 41.Rb7 Rc6 42.Qe7 Qe7 43.Ree7+- (43.Rbe7?! f5=)) 41.Ne6 (better 41.Nb8 Rc7 42.Rc7 Qc7+-) 41...Kg8?? (41...Qe6 42.Qe6 Re6 43.Re6 Nc8+-) 42.Rf7 (better 42.Nb8 Qb8 43.Rf7 Kf7 44.Qc6+-) 42...Qe6+/- 43.Qe6 (worse 43.Nb8 Qe4 44.Re4 Rc1 45.Kg2 Kf7=) 43...Re6 44.Re6 Kf7 45.Rc6 (45.Rf6 Kf6 46.Nb8 g5+/-) 45...Rb7+= 46.Nc7 (better 46.Nc5 Rb8 47.Rc7 Kg8 48.Ne4+=) 46...Nc4?? (46...Ke7!? 47.Rb6 Rc7=) 47.Nd5 (better 47.Rc4 Ke7 48.Nd5 Ke6 49.Nf4 Ke5 50.Kg2+-) 47...Rc7?? (better 47...Rd7 48.Rf6 Kg7+/-) 48.Rc7+- Ke6 49.Rc4 (better 49.Nf4 Kd6 50.Rc4 f5+-) 49…Kd5 (49...Kd5 50.Rc7 h5+-). Zobbie (2585) - OlegPro1 (2595), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

10.Bg2 Nbd7 11.c4 Re8 12.0-0 e5 13.cd5 Nd5 14.Nc4 Qe7 15.Ba3 Qf6 16.Nd6 Rd8 17.Ne4 Qb6 18.Rc1 N7f6 19.Qb3 Ne4 20.de4 Nf6 21.Ne5 Be6 22.Qb4 Nd7 23.Nc4 Bc4 24.Rc4 Ne5 25.Rc5 a5 26.ba6 Ra6 27.Rb5 Qf6 28.Rb7 Ng4 29.Bb2 Qb2 30.Qb2 Bb2 31.Rb2 Rd4 32.h3 Ne5 33.f3 Kg7 34.Kf2 Re4 35.fe4 Nc4 36.Rb4 Rf6 37.Kg1 Rc6 38.Rc1 1-0. Zobbie (2525) - Nikolaev_Matvey20061 (2520), Rated bullet game, lichess.org, 2021.

10.Bg2 e6 11.0-0 Bd7 12.c4 a6 13.Qb3 a5 14.c5 White plans b6 14...Qe8 15.b6 (15.Bd4 Bb5 16.Qb2 Nh5+=) 15...Nc6+= 16.Ne5 Nh5 (16...Qe7 17.Qa3=) 17.Nd7 Qd7 18.Nf3 Bb2 19.Qb2 Ng7 20.e4 de4 21.de4 Rfd8 22.h4 (22.e5 Nf5+=) 22...Qe7= 23.Qb5 Rd7 (23...e5 24.Rfc1=+) 24.Rfd1 (24.e5 Rad8=) 24...Rad8 (24...Rd1 25.Rd1 a4 26.Ra1=) 25.Rd7= Qd7 26.Bf1 Ne8 27.h5 Nf6 28.h6 (28.hg6 hg6 (worse 28...Ne4 29.gh7 Kg7 30.Qb2 f6 31.Qc2+=) 29.Qe2 Qe7=) 28...Ng4 (28...Ne4 29.Qb2 f6 30.Bg2-/+) 29.Qe2 Nh6 30.Qe3 Ng4 31.Qf4 e5 32.Qg5 h6 33.Qc1 Kh7 (33...Nd4 34.Qd1 Nf6 35.Nd4 ed4 36.Bd3=+) 34.Bh3 h5 35.Kg2 (35.Bf1 Qe7=+) 35...Kg7 (35...Qd3 36.Ng5 Kg7 37.Ra2-/+) 36.Nh2 f5 37.Nf3 (37.ef5 Qf5 38.Bg4 hg4-/+) 37...fe4 38.Ng5 e3 39.Bg4 (39.fe3 Qd2 Double attack (39...Qd2 Decoy)) 39...hg4 (39...Qg4 40.Qe3 h4 41.Rh1-/+) 40.Qe3=+ Qd5 (40...Rh8 41.Re1-/+) 41.Ne4 Rh8 (better 41...Qd4 42.Ra3 Qe3 43.fe3 Rd5=) 42.Rh1?? (better 42.Qe2=) 42...Rh1-+ 43.Kh1 Nd4 44.Kh2 (44.c6 Qc6 45.Kh2 Qb6 46.Qc1-+) 44...Nf5 (better 44...Nf3 45.Qf3 gf3-+) 45.Kg2?? (better 45.Qe2=+) 45...Ne3 46.fe3 (46.Kg1 Qe4 47.fe3 a4 48.Kf1 a3 49.Kf2 Qc2 50.Ke1 a2 51.c6 a1Q) 46…Qe4 (46...Qe4 47.Kf2 Qc2 48.Kg1 a4 49.Kf1 a3 50.Ke1 a2 51.c6 a1Q) 0-1. Zobbie (2635) - master_mojet_i_net (2570), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

10.Bg2 Bg4 11.0-0 Nbd7 12.h3 Bf3 13.Bf3 e6 (13...Nb6 14.e4=) 14.c4+= Qb6 15.Rb1 Rac8 16.Kg2 Qd6 (16...h6 17.e3+=) 17.Qb3 (17.Qa4 Qb6+=) 17...a6 (17...Rfd8 18.Ra1 Ra8 19.d4+=) 18.Ba3+/- Nc5 19.Qb4 (19.Qa2 Nfd7+/-) 19...Nfd7 (19...Rfd8!?+=) 20.cd5+/- ed5 21.Rfc1 Qe6 22.ba6 Na6? (better 22...ba6!? 23.Qa5 Qe7+-) 23.Qb7+- Nac5 24.Qb5?? (better 24.Qd5 Rfd8 25.Qe6 Ne6 26.Rc8 Rc8 27.Nc4+-) 24...Rb8+/- 25.Qa5 (25.Rc5 Rb5 26.Rcb5 Rc8+/-) 25...Rb1 (25...Ra8 26.Rc5 Ra5 27.Ra5 Bc3 28.Bd5 Qe2+/-) 26.Rb1+- Rc8 (26...Qc6 27.Rc1 Ra8 28.Rc5 Ra5 29.Rc6 (29.Ra5?! Nf6+/-) 29...Ra3 30.Bd5+-) 27.Rc1 Bd4 (27...Bf8 28.d4 Nb7 29.Qd5 Rc1 30.Bc1+-) 28.e3 (28.Nb3 Nb3 29.Rc8 Kg7+-) 28...Be5 (28...Re8 29.Bg4 Qf6 30.Bc5 Nc5+-) 29.d4 (better 29.Bc5 d4 30.ed4+-) 29...Bc7 30.Qb4 (30.Rc5?! Ba5 31.Rc8 Kg7+=) 30...Nd3? (better 30...Rb8 31.Qc3 Na6+-) 31.Rc7?? (better 31.Qb7 Rb8 32.Qc7 (32.Rc7?! Rb7 33.Rb7 Ne1 34.Kh2 Qf6 35.Rd7 Nf3 36.Nf3 Qf3=) 32...Nc1 33.Bc1+-) 31...Rc7-/+ 32.Qb5 Qf5?? (32...Ne1!? 33.Kg1 Nf3 34.Nf3 Ra7-/+) 33.Kf1 (better 33.g4 Ne1 34.Kf1 Qd3 35.Qd3 Nd3 36.Ke2+=) 33...Rc2?? (better 33...Qh3 34.Kg1 Rc3=+) 34.Ke2?? (better 34.g4 Qf6 35.Qd7+- (35.Qd3?! Rd2 36.Qd2 Qf3+-)) 34...Nc1?? (34...Nf2 35.Bb4 Nh3 36.Qd5 Ng1 37.Kf2 Nf3 38.Qf5 gf5 (38...Nd2?? 39.Qc2 h5 40.Qc8 Kg7 41.Qd7 Ne4 42.Ke1+-) 39.Kf3 Nf6-+) 35.Bc1= Rc1 36.Bg4 Qc2 37.Bd7 Rd1?? (better 37...Qd1 38.Kd3 Qc2 39.Ke2 Qd1 40.Kd3 Qc2 41.Ke2=) 38.Qd3?? (better 38.Qb4+-) 38...Qd3?? (better 38...Re1! 39.Ke1 Qd3-+) 39.Kd3+- Ra1 (39...Rh1 40.h4+-) 40.Bc6 Ra7 41.Bd5 Re7 (41...Kf8 42.e4+-) 42.Bc4 Kg7 43.e4 f5 (43...Ra7 44.e5+-) 44.d5 (44.e5 Kf8+-) 44...fe4 45.Ne4 Rd7 46.d6 Kf8 47.Bb5 Rd8 48.Bd7! Rd7 49.Kd4 g5 (better 49...Ra7!?+/-) 50.Ke5 Rf7?? (50...Rg7 51.Ke6 Ke8 52.Kf6+-) 51.Nf6 (better 51.Ke6 Ra7 52.d7+-) 51...Rf6?? (51...h6+-) 52.Kf6 Ke8 53.Ke6 g4 54.h4 (better 54.d7 Kd8 55.hg4+-) 54...h5 55.Kf6 Kd8 56.Kg5 Kd7 57.Kh5 Kd6 58.Kg4 Ke6 ½-½. Zobbie (2610) - Acemi_ustasi (2560), Rated bullet game, lichess.org, 2024.

6.Ngf3 c6

7.e4 a5=.

7.e4 Bg4=.

7.g3 a5 8.e4=+.

7.g3 a5 8.Bg2 ab4 9.ab4 Ra1 10.Qa1 Nbd7 11.0-0 b6 12.c4 Bb7 13.Re1 Qa8 (13...Qc7 14.e4=) 14.e4+= Qa1 15.Ra1 Ra8 16.Ra8 Ba8 17.ed5 cd5 18.Nd4 (18.Ne5 Bh6 19.Nd7 Nd7+/-) 18...e6 19.Nb5 Bc6 20.Na7 Bb7 21.Nb3 dc4 22.dc4 Bg2 23.Kg2 Ne4 24.Bg7 Kg7 25.Kf3 (25.Nb5 h5+=) 25...Nd6 (25...f5!? 26.Kg2 e5+=) 26.c5+/- bc5 27.bc5 Ne8 28.c6 Nb6 29.Nb5 Nd5 30.Ke4 Kf6 31.Nc5 Ke7 32.Nd7 (32.Nb7 g5+=) 32...Nec7 (better 32...Nd6!? 33.Nd6 Kd6-/+) 33.Na7 Kd6 34.Ne5 (better 34.Kd4=) 34...f5 (better 34...f6 35.Nd7 Na6=) 35.Kd4+/- Nb4?? (35...Ne8 36.f4+/-) 36.Nc4 (36.Nc8) 36...Ke7+/- 37.Kc5 (37.f4 Kd8+/-) 37...Nbd5 (37...Nd3!? 38.Kb6 Kd8+=) 38.Ne5 Na6 39.Kb5 Nac7 40.Kc5 g5 (40...Na6 41.Kd4+/-) 41.Kd4 (41.h4 g4+/-) 41...h5 42.h4 gh4 43.gh4 Kd6?? (43...Nf4+/-) 44.Nf7 (44.Nc8) 44...Ke7= 45.Ng5 Kf6 (45...Kd6=) 46.f4 (better 46.Kc5+=) 46...Nf4=+ 47.Kc5 Nfd5 48.Kd6 f4 0-1. Zobbie (2555) - maffpoderallerechte (2555), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 Qd7 8.Bg2 Qg4 9.h3 Qe6 10.Ng5 Qd7 11.e4 Qc7 12.0-0 e5 13.Ngf3 Re8 14.Re1 d4 15.c3 dc3 16.Bc3 Na6 17.Nc4 Be6 18.Be5 Qc8 19.Kh2 Bc4 20.dc4 Nc7 21.Qc2 Ne6 22.Qc3 Nh5 23.Bg7 Nhg7 24.Rad1 b6 25.Rd6 c5 26.b5 Qc7 27.Red1 Rad8 28.Qd3 Nd4 29.Rd8 Rd8 30.Nd4 Rd4 31.Qe2 Qe5 32.Rd3 Ne6 33.f4 Qc7 34.e5 h5 35.h4 Qd8 36.Bd5 Rd3 37.Qd3 Nd4 38.e6 Qf6 39.ef7 Kf8 40.Qe4 Ne6 41.Qe6 Qb2 42.Kh3 Qc1 43.Qe8 Kg7 44.f8Q Kh7 45.Qh8 1-0. Zobbie (2505) - antetokwombo (2520), Rated bullet game, lichess.org, 2021.

7.g3 Re8 8.Bg2 Nbd7 9.0-0 Qc7 10.Re1 e5 11.e4 d4 12.c3 dc3 13.Bc3 a5 (13...Nb6 14.Rc1=) 14.Nc4 (14.ba5 h6+=) 14...ab4 15.ab4 (worse 15.Bb4 c5 16.Bc3 b5=+) 15...Ra1 16.Qa1 (worse 16.Ba1 b5 17.Na5 c5=) 16...Ng4 17.h3 b5 (17...Nh6 18.d4 f6 19.Rd1+=) 18.Na5 (18.hg4 bc4 19.dc4 f6+/-) 18...Ngf6+= 19.Rc1 Bb7 (19...h6 20.Bd2 Nb8 21.Be3+=) 20.Bd2 The backward pawn on c6 becomes a target (20.Ne5 Ne4 21.Be4 Be5 22.Be5 Ne5+/-) 20...Ba8+= 21.Qc3 Qd6 22.Qb3 (22.Nb3 Bb7+=) 22...h6 23.Nh4 (23.Qc2 Rc8+=) 23...Nf8 24.Be3 Ne6 25.Bc5 (25.Nf3 Nd7=) 25...Qd7 26.Qc2 Nh7 (26...Nc5 27.bc5 Nh7 28.Nf3=) 27.Nf3 (27.Be3 Neg5+=) 27...Nhg5 (27...Nc5 28.Qc5 Qd3 29.Nc6 Bc6 30.Qc6 Nf6=) 28.Ne1 (28.Ng5 Ng5 29.Kh2 Ne6=) 28...Rc8 (28...Nc5!? 29.Qc5 Bf8-/+ (worse 29...Nh3 30.Bh3 Qh3 31.Nc6+=)) 29.Nb3= Kh7?? (29...Nc5 30.Nc5 A) 30...Nh3? 31.Kh2 Qd4 32.Bh3+- (32.Kh3?! Qb4 33.Nf3 Qa5+/-); B) 30...Qd6=) 30.h4+- Nc5 31.Nc5 (31.Qc5?! Ne6 32.Qc3 Nd4 33.Nd4 ed4=) 31...Nh3 (31...Qe7 32.hg5 Qg5 33.Ra1+-) 32.Kh2 Qe7 33.Bh3 Rd8 34.Nf3 Rd4 (34...Kg8+-) 35.Nd4 ed4 36.Qe2 (36.Ra1!? Qe8+-) 36...Bb7 (36...Qa7 37.Qb2 Bb7 38.Ra1+-) 37.Qf3 (better 37.Ra1 Qf8+-) 37...Bc8 (37...Be5 38.Ra1 Bd6 39.Ra7 Bc5 40.bc5+-) 38.Kg2 (better 38.Bc8 Qc7 39.Bd7+-) 38...Bh3 39.Kh3 Qe8 (39...Be5 40.Kg2+-) 40.Kg2 Qc8 (40...Bf8 41.h5+-) 41.h5 (better 41.Qf7 Qg8 42.Qb7 Kh8+-) 41...Qe8 42.hg6 fg6 43.Rh1 (43.Qg4!? Bf8+-) 43...Qe7 (43...Kg8 44.e5!+-) 44.Qf4 h5 45.e5 (better 45.Qb8 Be5 46.Qa8 Bf6+-) 45...Be5 (45...Qe5 46.Qe5 Be5 47.Rc1+-) 46.Qe4 Qf6 (46...Qg5+-) 47.Nd7 (better 47.Rh5 Kg8 48.Re5+-) 47...Bd6 48.Ne5! Qe5 (48...Be5 49.Rh5 Double attack (49.Rh5 Decoy); 48...Qe5 49.Qc6 Combination) 49.Rh5?? (better 49.Qc6 Bb4 50.Rb1+-) 49...Qh5-+ 50.Qe6? (50.Qc6 Qe5 51.f4 Qe2 52.Kh3 Bb4 53.Qd7 Kg8 54.Qd5 Kf8 55.Qb5-+) 50...Qd5 51.Qd5 cd5 52.Kf3 Bb4 53.Kf4 (53.g4 Be1-+) 53...Bc3 54.Ke5 (54.Kf3 Be1 55.Ke2 Bf2 56.g4-+) 54...b4 55.f4 b3 56.Kd5 b2 57.Ke4 b1Q 58.f5 Qd1 (better 58...gf5 59.Kd5-+) 59.fg6 Kg6 60.Kd5 Qg4 (better 60...Qd3 61.Kc5-+) 61.Kc4 (61.Kc4 Qg3 62.Kc5 Qc7 63.Kb5 Qd6 64.Kc4 Qc6 65.Kb3 Qb5 66.Kc2 Qb2 67.Kd1 Qd2). Zobbie (2585) - Jessejames88 (2680), Rated bullet game, lichess.org, 2024.

7.g3 Bf5 8.Bg2 Qc8 9.0-0 Bh3 10.Re1 Bg2 11.Kg2 a5 12.e4 12...ab4 13.ab4 Ra1 14.Qa1 de4 15.Ne4 Nh5 16.Bg7 Ng7 17.Nc5 Nd7 (better 17...b6!? 18.Nb3 Qc7+=) 18.Re7+- Nc5 19.bc5 Qd8 (19...Nf5 20.Re4+-) 20.Qe5 (20.Rb7 Ne6+-) 20...b6 (better 20...Re8!? 21.Re8 Qe8 22.Qe8 Ne8+-) 21.Nd4+- bc5 22.Nc6 (22.Qc5 Qd5 23.Qd5 cd5+-) 22...Qb6 23.Rc7 Ne6?? (23...Re8 24.Qd6 Qb2 25.Ne7 Kh8+-) 24.Ne7 1-0. Zobbie (2600) - RoadToYourDream (2540), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.h3 a6 8.g3 Re8 9.Bg2 Nbd7 10.e4 e5 11.0-0 de4 12.de4 Nb6 13.c4 Be6 14.Qc2 Nfd7 15.c5 Nc8 16.Rad1 Qc7 17.Nc4 h6 18.Rd2 Na7 19.Rfd1 Nb5 20.Nh2 Red8 21.Ng4 h5 22.Nh2 Bh6 23.Rd3 Bg7 24.Nf3 a5 25.Na5 b6 26.cb6 Nb6 27.Ng5 Rd3 28.Rd3 Ba2 29.Bc1 Be6 30.Ne6 fe6 31.Bb2 Rd8 32.Rd8 Qd8 33.Nc6 Qc7 34.Qc1 Nd4 35.Nd4 ed4 36.Qc7 Na4 37.Ba1 Kh7 38.e5 d3 39.Bd4 d2 40.Bf3 g5 41.Bh5 Kh6 42.Qf7 Kh7 43.Bg6 Kh6 44.Bh5 Kh7 45.Qg6 Kg8 46.Bd1 Nb2 47.Bb3 Nd1 48.Be6 Kf8 49.Qf7 1-0. Zobbie (2500) - prydurok (2550), Rated bullet game, lichess.org, 2020.

7.h3 Bf5 8.g4 Be6 9.Bg2 a6 10.0-0 Re8 11.Ng5 Bc8 12.e4 de4 13.de4 e5 14.c4 h6 15.Ngf3 Be6 16.Qc2 Nbd7 17.Ne5 Ne5 18.Be5 Qe7 19.c5 Rad8 20.Bd6 Rd6 21.cd6 Qd6 22.Rad1 Qc7 23.Nc4 h5 24.f3 hg4 25.hg4 Nh7 26.Ne3 Ng5 27.Qd2 Bf6 28.f4 Nh7 29.f5 Bc8 30.Qf2 g5 31.Nc4 Be5 32.Ne5 Qe5 33.Qd4 Nf6 34.Qe5 Re5 35.Rd4 Kg7 36.Rfd1 b6 37.Bf3 c5 38.bc5 bc5 39.Rc4 Bd7 40.a4 Bc8 41.Rd6 Bb7 42.Kg2 Be4 43.Be4 Ne4 44.Rc6 a5 45.Kf3 Nd2 46.Kg2 Nc4 47.Rc5 Re4 48.Re5 Re5 0-1. Zobbie (2505) - prydurok (2545), Rated bullet game, lichess.org, 2020.

7.h3 Bg4 8.hg4 Ng4 9.e3 Bb2 10.Rb1 Bg7 11.Be2 Nd7 12.d4 e5 13.de5 Nge5 14.Ne5 Ne5 15.Nf3 Re8 16.Kf1 Nf3 17.Bf3 Qf6 18.Kg1 Re7 19.Qd3 a6 20.c4 Rae8 21.cd5 cd5 22.Bd5 Rd8 23.e4 Red7 24.Qc4 Qd4 25.Qd4 Bd4 26.Kf1 Kg7 27.Ke1 f5 28.f3 Rf8 29.Ke2 fe4 30.fe4 Rf2 31.Kd3 Be5 32.g4 Rg2 33.Rh3 Rg4 34.Rbh1 h5 35.a4 Rg2 36.b5 ab5 37.ab5 Rb2 38.Kc4 Rc7 39.Kd3 Rb5 40.Rd1 Rc3 41.Ke2 Rh3 0-1. Zobbie (2515) - prydurok (2535), Rated bullet game, lichess.org, 2020.

7.g3 a6

8.Bg2= Bg4

9.0-0 Qc8 10.Re1 Bh3 11.Bh1 Bg4 12.c4 e6 13.Rc1 Nbd7 14.Bg2 Bf3 15.ef3 (15.Nf3 dc4 16.Rc4 Qd8+=) 15...Qd8 16.f4 Re8 17.Nf3 h5 (17...a5 18.Bd4=) 18.h4 (18.Ne5 h4+=) 18...Ng4 (18...a5 19.Bd4=) 19.Bg7+= Kg7 20.Qc2 Rc8 21.Qc3 (21.Ne5 d4+=) 21...Qf6= 22.Ne5 (better 22.Qf6 Kf6 23.Bh3=) 22...Nde5-/+ 23.Re5 Ne5 24.fe5 Qe7 25.d4 dc4 26.Qc4 Red8 27.Re1 Rd7 28.Re4 Re8 (28...a5 29.Qc3-+) 29.Kf1 Red8 30.Ke2 (30.Qc3 f6-/+) 30...Rd5 31.Rf4 Qd7?? (better 31...Rb5 32.Qc3 Ra8-+) 32.Bd5= Qd5 33.Qd5 cd5 34.Rf3 Rc8 35.Kd2 Rc4 36.Rd3 f6 37.f4 fe5 38.fe5 (38.de5 Kh6=) 38...b5 39.Ke3 g5 40.hg5 Kg6 41.Kf4 Rc1 42.Rf3 Rd1 43.Ke3 Kg5 44.Rf6 Re1 (44...Ra1 45.Re6 Ra3 46.Kf2-/+) 45.Kf2= Ra1 46.Re6 Ra3 47.Rd6 Rb3 48.Rd5 Rb4 (better 48...Kf5!?=) 49.e6+/- Kf6 50.Re5 (worse 50.Rh5 Rd4 51.Rh6 Ke7 52.Rh7 Ke6 53.Rh6 Kd5 54.Ra6 b4-/+) 50...Ke7 51.Ke3 (51.d5!? Rb2 52.Ke1+/-) 51...Rb3+= 52.Ke4 Rb1? (better 52...Rg3 53.d5 Rg4 54.Kf3 Rg8 55.Rh5 Kd6=) 53.Kd5 Rd1 (53...b4 54.Rh5 Re1 55.Rh7 Kf6 56.Rf7 Kg5 57.Kd6+-) 54.Rf5 (54.Rh5 b4+-) 54...Ke8 (54...a5 55.Rf7 Ke8 56.Ke5+-) 55.Rf7 (55.Rh5 b4 56.Ke5+-) 55...Rg1?? (better 55...Rd3+-) 56.Rh7 (56.Kd6 Rg3 57.Rh7 Kf8+-) 56...Rg3 (56...Rd1+-) 57.Kd6 (57.Rh5?! Rg8+-) 57...Rg8 (57...Kf8 58.e7 Kg8 59.e8Q Kh7 60.Qh5 Kg8+-) 58.Ra7 Kf8 59.Rf7 (59.Ra8 Kg7 60.Rg8 Kg8+-) 59...Ke8 60.Rc7 Kf8 61.Rf7 Ke8 62.Ra7 Kf8 63.Rf7 ½-½. Zobbie (2560) - prydurok (2690), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.0-0 Qc8 10.e4 Bh3 (10...de4 11.Ne4 Ne4 A) 12.de4?? Bb2 13.Rb1 Bg7-+ (13...Ba3?! 14.Qd3-+); B) 12.Bg7 Nf2 13.Qe1 Kg7 14.Qf2 Bf3 15.Qf3=) 11.ed5 (11.Re1 Bg2 12.Kg2 Qc7=) 11...Bg2 12.Kg2 Nd5 (12...cd5!? 13.c4 Nc6=) 13.Bg7+= Kg7 14.c4 Nf6 15.Re1 e6 16.Ne4 Ne4 17.de4 Nd7 18.e5 (18.Qd6 Rd8+=) 18...Rd8 19.Qe2 Nf8 20.Rad1 Qc7 21.c5 Rd5 22.Rd5 ed5 23.Nd4 Re8 24.h4 (24.f4 Ne6 25.Qe3 Nd4 26.Qd4 Qd8+=) 24...Ne6 25.Qg4 (25.Ne6 Re6 26.h5 a5+=) 25...Nd4= 26.Qd4 Kg8 27.h5 Qe7 28.Qg4 Qe6 29.Qg5 (better 29.Qe6 Re6 30.hg6 hg6 31.f4+=) 29...Qf5?? (better 29...f6 30.ef6 Qe1=) 30.Qf5+/- gf5 31.Kf3 f6 32.Kf4 fe5 33.Re5 (33.Kf5 Rf8 34.Kg5 e4-/+) 33...Ra8 34.Rf5 a5 35.b5! cb5 36.Rd5 b4 37.ab4 a4 (37...ab4 38.Rd4 Rc8 39.Rb4 Rc5 40.Rb7 Rh5 41.g4+-) 38.Rd4 (38.Rd2!? Kg7+-) 38...a3 39.Rd1 a2 40.Ra1 Kf7 41.Ke5 Ke7 42.Kd5 Kd7 43.f4 Kc7 (43...Ra4 44.b5+-) 44.g4 Ra3 (44...Ra4 45.Ke5 b6 46.f5 bc5 47.bc5+-) 45.f5 Rd3 (45...Kd7 46.g5+-) 46.Kc4 (46.Ke6 Rd2+-) 46...Rd2 47.g5 Rf2 48.g6 Rf5 (48...hg6 49.fg6 Rg2 50.Ra2 Ra2+-) 49.g7 (49.Ra2?! Rh5 50.Rg2 hg6 51.Rg6 Rh4 52.Kb3 Rh5+-; 49.gh7?! Rh5 50.Ra2 Rh7+-) 49...Rg5 50.h6 b6 51.Ra2 Rg4 52.Kb5 bc5 53.bc5 Kd7 54.Ra7 Ke6 55.Ra8 Kf7 Black threatens to counter with c6 56.g8Q! Rg8 57.Rg8 Kg8 58.c6 Kf7 59.c7 Kg6 60.c8Q Kh6 61.Qh3 Kg6 62.Kc5 Kg5 (62...h5 63.Kd5 h4 64.Ke6 Kh6 65.Kf6 Kh7 66.Qg4 h3 67.Qg7) 63.Kd4 h5 (63...Kf6 64.Qh7 Ke6 65.Qg6 Kd7 66.Kc5 Kc7 67.Qf7 Kd8 68.Kd6 Kc8 69.Qc7) 64.Ke3 (64.Ke5 Kg6 65.Qf5 Kg7 66.Qf6 Kg8 67.Qg6 Kf8 68.Ke6 h4 69.Qf7) 64...h4 (64...Kf6 65.Ke4 Ke7 66.Ke5 Kd8 67.Kd6 Ke8 68.Qf1 h4 69.Qf6 h3 70.Qe7) 65.Kf3 (65.Ke4 Kg6 66.Ke5 Kf7 67.Qe6 Kg7 68.Qf6 Kg8 69.Qg6 Kf8 70.Ke6 h3 71.Qf7) 65...Kf6 66.Qg4 (66.Ke4 Kg6 67.Qe6 Kh7 68.Qf7 Kh8 69.Ke5 h3 70.Kf6 h2 71.Qg7) 66...Ke5+- 67.Qh4 Kd5 68.Qh3 Kc5 69.Qg4 Kd5 70.Qf4 Kc5 71.Qe4 (71.Qe5 Kc6 72.Ke4 Kb7 73.Qb5 Kc7 74.Ke5 Kc8 75.Kd6 Kd8 76.Qd7) 71...Kb5 72.Kf4 (72.Qd5 Kb6 73.Ke4 Kc7 74.Qc5 Kd8 75.Qd6 Ke8 76.Kf5 Kf7 77.Qd7 Kf8 78.Kf6 Kg8 79.Qg7) 72...Kc5 (72...Kb6 73.Qd4 Kb5 74.Qd6 Kc4 75.Ke4 Kc3 76.Qc6 Kb2 77.Kd3 Kb3 78.Qb5 Ka3 79.Kc3 Ka2 80.Qb2) 73.Ke5 Kb5 (73...Kb6 74.Kd5 Kb7 75.Kd6 Kb6 76.Qb4 Ka6 77.Kc6 Ka7 78.Qb7) 74.Qd4 (74.Kd6 Kb6 75.Qb1 Ka5 76.Kc5 Ka4 77.Qb4) 74...Kc6 75.Qc3 Kb5 (75...Kb7 76.Kd6 Ka7 77.Qb4 Ka6 78.Kc6 Ka7 79.Qb7) 76.Qb2 (76.Kd6 Ka4 77.Qb2 Ka5 78.Kc5 Ka4 79.Qb4) 76...Kc5 (76...Kc6 77.Qb4 Kc7 78.Qc3 Kb7 79.Kd5 Kb6 80.Qc6 Ka7 81.Qb5 Ka8 82.Kc6 Ka7 83.Qb7) 77.Qc3 (77.Qc2 Kb5 78.Kd5 Kb6 79.Qc6 Ka7 80.Qb5 Ka8 81.Kc6 Ka7 82.Qb7) 77…Kb6 ½-½. Zobbie (2560) - prydurok (2690), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.0-0 Nbd7 10.h3 Bf3 11.ef3 (11.Nf3 Qc7=) 11...e5 12.Re1 Re8 13.c4 d4 14.Qc2 White plans c5 14...Nf8 15.Re2 Rc8 (15...Qc7!?=) 16.Rae1+= N6d7 (16...Qc7 17.c5 Re6 18.Nc4+=) 17.c5 (17.f4!?+/-) 17...Ne6+= 18.Nc4 Rf8 19.Ne5 (better 19.Bc1!?+=) 19...Ne5 20.Re5 Be5 21.Re5 Qd7 22.h4 Rcd8 23.Bh3 Rfe8 24.h5 Qe7 (24...f5 25.Qc4=+) 25.h6 (better 25.hg6!? hg6 26.Be6+=) 25...Qf6 26.f4 Nf4 (26...g5 27.Be6 gf4 28.Rf5 Qe6 29.Rf4 Qh6 30.Qd1=+) 27.Re8 (27.gf4!? Qf4 28.Re8 Re8 29.Qd1=) 27...Re8=+ 28.gf4 Qf4 (better 28...Re1 29.Bf1 Qf4=+) 29.Bc1?? (better 29.Qd1 Qh6 30.Qg4=) 29...Re1-+ 30.Bf1 (30.Kg2 Rc1 (30...Qc1?! 31.Qc1 Rc1 32.Bc8-+) 31.Qe2 Qg5 32.Qg4 Qg4 33.Bg4 f5-+) 30...Qc1 (30...Qg4 31.Kh2 Rf1 32.Qd2 Rg1 33.Qg5 Rg2 34.Kh1 Qh3) 31.Qc1-+ Rc1 32.Kg2 Rc3 0-1. Zobbie (2555) - prydurok (2695), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.0-0 Nbd7 10.h3 Bf3 11.ef3 (11.Nf3 Rc8=) 11...Re8=+ 12.Re1 e5 13.c4 d4 14.Qc2 White intends c5 14...Nf8 15.Re2 N6d7 16.Rae1 Ne6 17.c5 Nc7 (17...a5 18.Nc4=) 18.Nc4 Rb8 19.h4 Nd5? (better 19...Ne6+=) 20.f4!+- Qc7 (20...ef4 21.Re8 Double attack (21.Re8 Pinning; 21.Re8 Deflection)) 21.fe5 Ne5 (21...Re7 22.Bd4 Nf8+-) 22.Ne5 (better 22.f4+-) 22...Re5+/- 23.Re5 Be5 24.Qc4 (24.Bd5 cd5 25.f4 Bg7+/-) 24...Rd8? (better 24...Nc3!?+=) 25.Bd4+- Bd4 26.Qd4 h5 (better 26...Qd7!?+-) 27.Bd5 Rd5?? (27...cd5 28.Qf6 Qc8+-) 28.Re8 Kh7 29.Rh8 (29.Qh8) 1-0. Zobbie (2555) - prydurok (2695), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.0-0 Nbd7 10.h3 Bf3 11.ef3 (11.Nf3 a5=) 11...Re8 12.Re1 e5 13.c4 d4 14.Re2 c5 (14...a5 15.Ne4 Ne4 16.fe4=) 15.Nb3 b6 16.Qc2 (16.f4 Rb8 17.Bc1 Nh5+=) 16...a5 (16...Rc8 17.Rae1=) 17.Rae1 (17.f4 a4 18.Nd2 Ra7 19.fe5 Re5 20.Re5 Ne5+=) 17...a4= 18.Nd2 cb4 19.ab4 a3 20.Ba1 Qc7 (20...Ra7 21.Qb3=) 21.Qb3 (21.f4 ef4 22.Ba8 Ra8+/-) 21...Ra7 (21...Qd6+/-) 22.Bd4 (better 22.f4!? Re6 23.fe5 Re5 24.Nf3 Re2 25.Re2+-) 22...ed4= 23.Re8 Ne8 24.Re8 Nf8 (24...Bf8!? 25.Re1 Qd6=) 25.Qa2 Qd7 26.Re2 (26.Re1 Qd6 27.b5 Qb4+=) 26...Qa4= 27.b5 Qd1 28.Bf1 h5 (28...Ne6 29.Kg2=) 29.h4 (29.f4 Ne6+=) 29...Bf6 30.Ne4 Kg7 (30...Be7 31.Kg2+=) 31.Rd2 Qa4 32.Kg2 (32.Nd6 Ra8 33.Re2 Ne6+/-) 32...Qb4 33.Be2 Ne6 34.Bd1 (34.Rc2 Qe1 35.Rd2 Qc1+=) 34...Nc5 (better 34...Be7!? 35.Re2 Bh4=+) 35.Nc5+= (worse 35.Nf6 Kf6 36.Be2 Qd2 37.Qd2 a2 38.Qf4 Ke7 39.Qg5 f6 40.Qg6 a1Q=+) 35...bc5 36.f4 Qd2 (36...Qc3 37.Be2+=) 37.Qd2+/- a2 38.f5?? (better 38.b6 Ra8 39.b7+/-) 38...a1Q-+ 39.fg6 fg6 (39...Ra2 40.Qe1 fg6 41.Qf1-+) 40.Bf3 Qc3 41.Qf4 Re7 (41...Qd3 42.b6 Ra1 43.Qc7 Kh6 44.Qf4 Kh7 45.Kh2-+) 42.Qd6? (42.Be4-+) 42...Qd3 43.Qc5 Qf5 (43...Qf5 44.Qf5 gf5-+) 0-1. Zobbie (2565) - prydurok (2685), Rated bullet game, lichess.org, 2022.

9.0-0 Nbd7 10.h3 Bf3 11.ef3 (11.Nf3 Qc7=) 11...Re8 12.Re1 e6 13.c4 e5 14.Rc1 h5 (14...Qb6 15.cd5 Nd5 16.Nc4=) 15.h4 (15.d4 ed4 16.Re8 Qe8 17.Bd4 Qe6=) 15...Qb6 Black prepares the advance d4 16.Nb3 White plans c5 16...Rad8 17.Qc2 Qc7 18.Re2 Qb8 19.Rce1 d4 (19...Kh7 20.c5+=) 20.c5 (20.Bc1 Bf8+=) 20...Qc7 (20...Nd5 21.Na5+=) 21.Na5 (21.Bc1 Qb8+/-) 21...Nd5 (21...Bf8 22.Nc4+=) 22.Nc4 (22.f4+/-) 22...f6 (22...Rf8 23.Nd6+=) 23.Qb3 (23.Bd4 Qb8 24.Bb2+-) 23...f5? (23...Rf8!?+/-) 24.Bd4! Kh7 (24...ed4 25.Re8 Pinning (25.Re8 Deflection)) 25.Bb2 f4 26.Nd6 (26.d4 Re7+-) 26...Re6? (better 26...Rf8+-) 27.Nf7 Re7 (27...Ree8 28.Nd8 Rd8 29.Qc4+-) 28.Ng5 (better 28.Nd8 Qd8 29.Bh3+-) 28...Kh8 29.Bh3 Nf8 (29...Rde8 30.Ne4+-) 30.Kg2 fg3 31.fg3 Nh7? (31...Rde8+-) 32.Ne6 Qb8 (32...Re6 33.Be6 Nf8 34.Be5 Be5 35.Re5 Ne6 36.Re6 Rf8+-) 33.Ng7 Kg7 34.Re5 Kf8 (34...Qe5 35.Be5 Kf7+-) 35.Re6 (35.Re7 Nhf6 36.Bf6+-) 35...Re6 36.Re6 Kf7 37.Qc4 Nf8 38.Re2 (38.Rf6 Kg8 39.Be6 Ne6 40.Re6 Re8+-) 38...Re8 39.Qc2 (39.Re4 Nh7+-) 39...Re2? (better 39...Ne3 40.Re3! Re3 41.Qc4 Ke8+-) 40.Qe2 Qe8 (40...b5 41.Bd4+-) 41.Qe5 (better 41.Qe8 Ke8 42.Bc8 Nc7+-) 41...Qe5 42.Be5 Ne6 43.f4 Ke7 (43...Ne3 44.Kf3 Nc2 45.Bb2+-) 44.Be6 (44.Kf3!? a5 45.Bd6 Kf6 46.ba5 Nd4 47.Kf2 Nf5+-) 44...Ke6 45.Kf3 Kf5 46.Bd4 Ke6 47.Ke4 Kd7? (47...Ne7+-) 48.f5 Kc8 (48...Ne7 49.fg6 Ng6 50.Kf5+-) 49.fg6 Kd8 (49...Ne7 50.g4! hg4+-) 50.g7 Ke8 (50...Ne7 51.Bf6 Ke8 52.Be7 Kf7+-) 51.g8Q Ke7 52.Qd5! (52.Qd5 cd5 53.Kd5+-) 1-0. Zobbie (2550) - prydurok (2700), Rated bullet game, lichess.org, 2022.(= 1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.h3 Bf3 10.Bf3 Nbd7 11.0-0 e5 12.e4 de4 13.de4 Nb6 (13...Qe7 14.Bg2=) 14.c4 (14.Be5 Re8 15.Bf4 Na4+/-) 14...Qd3 (14...Bh6 15.c5 Bd2 16.cb6=) 15.Be2 Qd8 (15...Qd7 16.Be5 Rfe8 17.Bf6 Bf6 18.Bg4+=) 16.Qc2 Qe7 17.c5 Nbd7 18.Nc4 Rfd8 19.Rad1 h5 (19...Rab8 20.Rd2+/-) 20.Rd2 (20.Nd6 Ra7+-) 20...Nf8 21.Rfd1 Rd2 22.Qd2 (22.Rd2 Ne6+/-) 22...N6h7 (better 22...Ne4!? 23.Qe3 f5+=) 23.Qd6 Qd6 24.Nd6 Rd8 (better 24...Rb8+-) 25.Nb7 Rb8 (25...Rd1 26.Bd1 Ng5 27.Ba4+-) 26.Nd6 (26.Na5!? Ng5+-) 26...Ne6 27.Bc4 Nhf8 28.Kg2 (28.Bc3 Rd8+-) 28...Bf6 (28...a5 29.Bc3 ab4 30.Bb4+-) 29.Ba6 Kg7 (29...Nc5 30.Bc4 (worse 30.bc5 Rb2 31.Bc4 Ne6+-) 30...Nfe6 31.f4+- (31.bc5?! Rb2 32.Be6 fe6+-)) 30.Bc3 (better 30.Bb7!? Nh7+-) 30...Ra8 31.Bb7 Ra3 32.Rd3 Nd4 (32...Nd8 33.Ne8 Kh8 34.Ba6 Ra6 35.Nf6+-) 33.Nc4 (better 33.Ne8 Kh8 34.Nf6+-) 33...Rb3 34.Na5 Ra3 35.Nc6 (better 35.Re3 Nc2 36.Rf3+-) 35...Nc6?? (better 35...Ne2 36.Ne5 Rc3 37.Rc3 Nc3+/-) 36.Bc6+- Ne6 37.Bb5 Nd4 38.Bd4 Rd3 39.Bd3 ed4 40.f4 Bd8 41.e5 f6 42.Kf3 g5 43.Ke4 h4 (43...Kf7 44.Kd4 h4 45.Bc4 Ke8 46.gh4 gf4 47.e6+-) 44.gh4 gh4 45.Kd4 Kf7 46.Bc4 Ke7 47.Ke4 fe5 48.fe5 Bc7 (48...Kd7+-) 49.b5 Ba5 50.b6 Kd7 51.Bd5 Ke7 52.b7 (better 52.Kf5 Kd8 53.b7 Bc7+-) 52...Bc7 53.Kf5 White intends e6 53...Bb8 54.e6 Bc7 55.Kg4 Bb8 (55...Bg3 56.Kg5+-) 56.Kh4 Bc7 (56...Kf6 57.Kg4 Bh2+-) 57.Kg4 Kf6 58.Kf3 (58.h4 Ke5 59.e7 Kd5+-) 58...Bb8 59.Ke4 Bc7 60.Bc6 (better 60.h4!? Bh2+-) 60...Ke7 (60...Ke6 61.h4 Kf6+-) 61.Bd7 Bb8 62.Kd5 Bc7 63.Kc6 Bb8 64.Kb6 (better 64.h4 Bf4 65.h5 Be5+-) 64...Bg3 65.c6 Bf4 66.c7 Bg3 67.b8Q Bd6 (67...Kf6 68.Qf8 Ke5 69.Qf3 Kd4 70.c8Q Bc7 71.Kb5 Ke5 72.Qc7 Kd4 73.Qd6) 68.c8Q (68.Qd8) 68…Kf6 (68...Kf6 69.Qc3 Kf5 70.e7 Kf4 71.Qd6 Kg5 72.Qcf6 Kh5 73.e8Q; 68...Bb8 69.Qb8 Kf6 70.Qf4 Kg6 71.e7 Kh7 72.Qf6 Kg8 73.e8Q Kh7 74.Bf5). Zobbie (2560) - prydurok (2690), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.h3 Bf3 10.Bf3 Nbd7 11.0-0 e5 12.Bg2 e4 (12...Qb6 13.c4=) 13.e3 (13.de4!? de4 14.Ne4 Ne4 15.Bg7 Kg7 16.Be4+/-) 13...ed3 14.cd3 Re8 15.Nf3 Nh5 16.Bg7 Ng7 17.Rc1 Ne5 18.Nd4 f6 19.Qb3 Ne6 (19...Qb6 20.a4+=) 20.Ne2 (better 20.Ne6!? Re6 21.e4+/-) 20...Kg7 Black prepares d4 21.Rfd1 d4 22.e4 h5 23.f4 Nf7 24.h4 Qd7 25.Bh3 Rad8 26.a4 (26.Rf1 Nh6+/-) 26...Qe7 (26...Nh6 27.Rd2=) 27.b5 (27.Re1 Nh6+=) 27...ab5 (27...cb5 28.ab5 f5 29.ba6 ba6 30.Qc4+=) 28.ab5 c5 (28...cb5 29.Qb5 f5 30.ef5+/-) 29.b6 (better 29.Be6 Qe6 30.Qe6 Re6 31.Rc5+-) 29...Rd6+= 30.Qb5 Red8 (30...f5 31.e5 Rd7 32.Re1+=) 31.Be6+/- Qe6 32.Qc5 Qg4 33.Kf2 Nh6 (33...Ra8 34.Rd2+/- (34.Nd4? Rd4 35.Rd2 Rad8-+)) 34.Rc4 (34.Qb4!?+-) 34...Qh3+= 35.Rd4 (35.Ke1!?+=) 35...Ng4= 36.Ke1 (better 36.Kf3 Nh2 37.Kf2 Ng4 38.Kf3 Nh2 39.Kf2 Ng4=) 36...Rd4-+ 37.Nd4 Ne3?? (better 37...Qg3 38.Kd2 Kh8-/+ (38...Qf4?! 39.Kc3 Qd6 40.Qd6 Rd6 41.Rb1=+)) 38.Kd2 (38.Qe7 Kh6 39.Qd8 Qf1 40.Kd2 Qd1 41.Ke3 Qg1 42.Kd2 Kh7 43.Qd7 Kh6+-) 38...Nd1 (38...Rd4 39.Qe7 Kh6 40.Qf6 Nf1 41.Kc3 Rd7+-) 39.Kd1 (better 39.Qe7 Kh6 40.Qd8+-) 39...Qd7-/+ 40.Ne2 Qd3 41.Ke1 Qd2 (41...Re8 42.Qc7 Kh6 43.e5 fe5 44.fe5-+) 42.Kf2-/+ Qd7 (42...Qd6 43.Qe3-/+) 43.Qc7 Qc7 (better 43...Kh6!?-/+) 44.bc7+= Rc8 45.e5?? (better 45.Nd4=) 45...Rc7-+ 46.ef6 (46.Nd4 Kf7-+) 46...Kf6 47.Nd4 Rd7 48.Ke3?? (48.Nb3-+) 48...Rd4! 49.Kd4 Kf5 50.Ke3 Kg4 51.Ke4 b5 52.f5 (52.Ke5 b4 53.Kd4 Kg3-+) 52...gf5 53.Kd4 Kg3 54.Ke3 Kh3 (54...f4 55.Kd4-+) 55.Ke2 (55.Kf4 Kh4 56.Kf5 Kg3-+) 55...Kh4 56.Kf2 Kg4 (56...Kg4 57.Ke2 f4 58.Kd3 f3 59.Kd2 f2 60.Ke2 Kg3 61.Kf1 h4 62.Ke2 h3 63.Kd3 f1Q 64.Kd4 Qf4 65.Kd5 h2 66.Kc6 h1Q 67.Kc5 Qhc1 68.Kb5 Qcc4 69.Kb6 Qfc7) 0-1. Zobbie (2560) - prydurok (2690), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.h3 Bf3 10.Nf3 e5 (bettera5!?=) 11.Be5+/- Re8 12.Bb2 (12.0-0 Nbd7 13.Bd4 b6+/-) 12...Nbd7 13.0-0 h5 (13...a5 14.Qd2+/-) 14.h4 (14.Re1 Qe7+/-) 14...Ng4 (better 14...Qe7+/-) 15.Re1?? (better 15.Bg7 Kg7 16.c4+/-) 15...Bb2-+ 16.Rb1 Bc3 (16...Ba3?! 17.Rb3 Qb6 18.d4 Bb4 19.c3-+) 17.Rf1 Bg7 (17...d4!? 18.Nd2 f5 19.Bf3-+) 18.c4 Nde5 (18...dc4!? 19.dc4 Ndf6 20.e3-+) 19.Ne5 Ne5 (19...Re5 20.d4 Rf5 21.cd5 cd5 22.e3-+) 20.cd5 cd5 21.Qb3 Ng4 22.e3 (22.Qd5 Re2 23.Rbe1 Re1 24.Re1 Bd4-+) 22...d4 23.e4 (23.Bb7 de3 24.Ba8 Qa8 25.fe3 Re3 26.Qf7 Kh8-+) 23...b5 (23...Rc8 24.Rbc1-+) 24.Rbc1 Rc8 25.Rc5 (25.Qb2 Rc3 26.Rfd1 Ne5-+) 25...Rc5 26.bc5 Qe7 (26...Qc7 27.Rc1 Re5 28.c6-+) 27.Rc1 Qf6 (27...Rc8 28.Qd5-+) 28.Qb2 Rc8 29.Bh3 (29.a4 Bh6 30.Rc2 Nf2 31.Rf2 Be3 32.ab5 ab5-+) 29...Qe5 (29...Qf3 30.a4 Qd3 31.ab5 ab5 32.c6-+) 30.c6 (30.f4 Qe7 31.c6 Qe6-+) 30...Qd6 31.f3 (31.f4 Rc6 32.Bg4 hg4-+) 31...Ne3 (better 31...Qg3 32.Qg2 Qf4-+) 32.Bc8 Qg3 33.Kh1 Qf3 34.Kg1 Qg3 35.Kh1 Qh4?? (35...Nd1 36.Rd1 Qf3 37.Kg1 Qd1 38.Kf2 Qd3 39.Qe2 Qa3 40.Bd7-+) 36.Kg1?? (better 36.Qh2 Qf6 37.Bh3 (37.Ba6?? Qf3 38.Kg1 Be5-+) 37...Qf3 38.Bg2 Ng2 39.Qg2=) 36...Qg3-+ 37.Kh1 Be5 38.Bd7 (38.Rb1 Nd1!! 39.Rd1 Qf3 40.Kg1 Qd1 41.Kg2 Qd3 42.Ba6 Qe4 43.Kg1-+) 38...Qf3 39.Kg1 Qg3 (39...Nd1!? 40.Rd1 Qd1 41.Kf2 Qd3 42.Kg1-+) 40.Kh1 f5 (better 40...Nd1 41.Rd1 Qf3 42.Kg1 Qd1 43.Kf2 Qd3-+) 41.ef5?? (41.c7 Bc7 42.Be6 Kf8 43.e5 Be5 44.Bf5 Nf5 45.Rf1-+) 41...Ng4-+ (41...gf5 42.Rg1 Qg4 43.Rg4 Ng4 44.Bf5+-; 41...Nf5?! 42.Bf5 Qh4 43.Kg1 Qg5 44.Kh1 Qf5 45.Qg2=) 42.Rf1 (42.Qg2 Qh4 43.Kg1 Bh2 44.Kh1 Bg3 45.Kg1 Bf2 46.Kf1 Ne3 47.Ke2 Ng2 48.c7 Nf4 49.Kd2 Be3 50.Kc2 Bc1 51.c8Q Kg7 52.f6 Qf6 53.Kc1-+) 42...Ne3 (42...Qh3 43.Kg1 Bh2 44.Qh2 Qh2) 43.Qf2?? (better 43.Rc1=) 43...Nf1 (43...Qh3 44.Kg1 Bh2 45.Kh1 Bg3 46.Kg1 Bf2 47.Rf2 Qg3 48.Kh1 Qf2 49.Be6 Kf8 50.Bd5 Ng4 51.Bg2 Qe1 52.Bf1 Qf1) 44.Qf1 (44.Qg3 Ng3 45.Kg2 gf5 46.Bc8-+) 44…Qh2 0-1. Zobbie (2565) - prydurok (2685), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.h3 Bf5 10.0-0 h5 11.Re1 Qc8 12.Kh2 Nbd7 13.Rb1 e5 (13...Rd8 14.e4 de4 15.de4+=) 14.Ne5+/- Ne5 15.Be5 Re8 16.Bb2 Qd7 17.Nf3 Rad8 18.Qd2 Nh7 Black prepares d4 (18...Qe7 19.Qf4+/-) 19.Bg7+- Kg7 20.c4 d4 21.c5 Qe7 22.Rbc1 Qf6 23.Rc4 (23.a4 g5+/-) 23...Be6 24.Rc2 Bd5 25.Qf4 Qf4 26.gf4 Bf3 27.Bf3 Nf6 28.Kg3 Re7 29.Rc4 Red7 30.Rb1 Ne8 31.a4 Nc7 32.Be4 (32.f5 Re7+/-) 32...Ne6 (32...f5 33.Bf3+/-) 33.b5 ab5 (33...cb5!? 34.ab5 h4 35.Kh4 Nf4 36.ba6 ba6+-) 34.ab5+- cb5 (34...Rc8+-) 35.Rb5 Rc8 36.Rb7?? (better 36.Bb7 Rcc7 37.Bf3+-) 36...Rb7+/- 37.Bb7 Rc5 38.Rc5 Nc5 39.Be4 (39.Bd5 Na4+/-) 39...f5 (39...Kf6 40.Bd5+/-) 40.Bd5 Kf6 41.Kf3 Ke7 42.h4 Kf6 43.Bc4 Nb7 44.e3 de3 (44...Nd6!? 45.ed4 Ke7+/-) 45.fe3+- Nd6 46.Ba6 Nf7 47.e4 Nh6? (47...fe4 48.de4 (48.Ke4?! Nd6 49.Kf3 Nf5=) 48...Nh6 49.Bd3+-) 48.Bc4 (48.e5 Ke7+-) 48...Ng4 (better 48...fe4 49.de4 Kg7+-) 49.e5 Ke7 50.d4 Nh2 51.Ke3 Ng4 52.Kd3 (52.Ke2 Ke8+-) 52...Nh6 53.d5 Ng4 (53...Kd7 54.d6+-) 54.d6 Kd7 55.Bb5 Ke6. Zobbie (2570) - prydurok (2680), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 Nbd7

8.Bg2 Re8 9.0-0 e5 10.e4 d4 11.c3 dc3 12.Bc3 Nb6 13.Qc2 Qc7 14.Rad1 Bg4 15.h3 Bf3 16.Nf3 Rad8 17.Rfe1 c5 18.b5 c4 19.d4 ed4 20.Nd4 Nh5 21.a4 Ng3 22.fg3 Qg3 23.Nf3 Bc3 24.Qc3 Na4 25.Qc4 Nb2 26.Rd8 Nc4 27.Re8 Kg7 28.e5 Nd2 29.Re3 Qf4 30.Kf2 Ne4 31.Ke2 Ng3 32.Kf2 Ne4 33.Ke2 Nc5 34.e6 Qc4 35.Kf2 Ne6 36.R8e6 fe6 37.Ng5 Qf4 38.Nf3 e5 39.Re5 Qb4 40.Re7 Qe7 41.Nd4 Qc5 42.Ke3 a6 43.ba6 ba6 44.Bf1 Kh6 45.Bd3 Qe5 46.Be4 Qg3 47.Nf3 Qg1 0-1. Zobbie (2545) - Oldiesbutgoodies (2510), Rated bullet game, lichess.org, 2020.

8.Bg2 Re8 9.0-0 e5 10.e4 d4 11.c3 c5 12.Nc4 Qc7 13.cd4 cd4 14.Rc1 Qb8 15.a4 b6 16.Qb3 Ba6 17.Ng5 Re7 18.Ba3 Bc4 19.Qc4 h6 20.b5 hg5 21.Be7 Qe8 22.Bd6 Rd8 23.Qc7 Nc5 24.Bc5 Rd7 25.Qc6 bc5 26.Rc5 Qe7 27.a5 Rb7 28.b6 ab6 29.ab6 Kh7 30.Rb1 Bf8 31.Rd5 Nd5 32.ed5 Rb8 33.d6 Qd6 34.Qd6 Bd6 35.b7 Kg7 36.Rc1 Rb7 37.Rc8 Rb1 38.Bf1 f5 39.Rd8 Be7 40.Rd7 Kf6 41.Ra7 e4 42.Ra6 Kg7 43.Kg2 e3 44.Ra7 Kf7 45.Be2 Rb2 46.Kf1 1-0. Zobbie (2575) - arya_dwipangga (2525), Rated bullet game, lichess.org, 2023.

8.Bg2 Re8 9.0-0 e5 10.e4 h6 11.Re1 a5 12.c3 (12.ed5 Nd5 13.c4 N5b6=) 12...ab4 13.ab4 Ra1 14.Qa1 Qc7 15.Qa7 Qb6 (15...Qd6 16.Qe3=) 16.Qb6+= Nb6 17.Ra1 de4 18.de4 Be6 19.Ra7 Rb8 (19...Nfd7!?=) 20.Ne5+= Ne4 21.Nc6 bc6 22.Ne4 Nc4 23.Ba1 Bd5 24.Nc5 Bg2 25.Kg2 h5 (better 25...Rd8+/-) 26.Rc7 (26.Ra6 Rc8+/-) 26...Rd8?? (better 26...Ra8 27.Nb3 Ra3=) 27.Rc6+- Rd2? (better 27...Ra8 28.Nd3 Ra1 29.Rc8 Kh7 30.Rc4 Ra3+-) 28.Ne4 Ra2 29.Rc4 Ra1 30.b5 (30.Rc8 Bf8+-) 30...Rb1 (30...Ra8 31.Rc6 Kf8 32.c4+-) 31.Rb4 Re1 (31...Rd1 32.b6 Rd8 33.b7+-) 32.b6 Be5 33.b7 Bb8 (33...Kg7 34.Nc5 Rd1 35.c4+-) 34.Nc5 (better 34.Rc4 Kg7 35.Rc8 Be5+-) 34...Bd6 (34...Kg7 35.Nd7 Re8 36.c4+-) 35.Na6 (better 35.Rd4 Bc5 36.b8Q Kg7+-) 35...Rc1 (35...Re8+-) 36.Rd4 Be5 37.f4 (37.f4 Rc2 38.Kh3+-) 1-0. Zobbie (2550) - vanya_puhov (2665), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 Re8 9.c4 e5 10.e4 d4 11.c5 b5 12.a4 a6 13.ab5 cb5 14.0-0 Nb8 15.Nb3 Nc6 16.Qd2 Be6 17.Na5 Qc7 18.Ng5 Bd7 19.f4 h6 20.Nf3 Ng4 21.fe5 Ne3 22.Rf2 Ng2 23.Kg2 Ne5 24.Nd4 Rad8 25.Raf1 Qc8 26.Kh1 Bh3 27.Re1 Ng4 28.Ndc6 Rd3 29.Qe2 Nf2 30.Qf2 Bb2 31.Qb2 Qd7 32.Ne5 Re5 33.Qe5 Rd2 34.Qb8 Kh7 35.Qf4 Qd3 36.Qf7 Kh8 37.Qf8 Kh7 38.Qf7 Kh8 39.Qf8 Kh7 40.Qf7 ½-½. Zobbie (2515) - anuj1432 (2510), Rated bullet game, lichess.org, 2021.

7.g3 Bg4

8.Bg2 Qd6 9.h3 Bf3 10.Nf3 Nbd7 11.c4 e5 12.cd5 cd5 13.0-0 e4 14.de4 Ne4 15.Bg7 Kg7 16.Rc1 Ndf6 17.Qd4 Rad8 18.Qa7 Ra8 19.Qe3 d4 20.Nd4 Rfe8 21.Nb5 Qe5 22.Nc7 Nc3 23.Qc3 Qc3 24.Rc3 Rac8 25.Ne8 Re8 26.e3 1-0. Zobbie (2515) - antetokwombo (2500), Rated bullet game, lichess.org, 2021.

8.Bg2 Nbd7 9.h3 Bf3 10.Bf3 Re8 11.0-0 e5 12.e4 de4 13.de4 Nb6 14.c4 Na4 15.Qa4 Qd2 16.Qb3 Qd7 17.Rad1 Qe7 18.c5 Red8 19.Kg2 a6 20.Qc4 Ne8 21.h4 Nc7 22.h5 Nb5 23.hg6 hg6 24.Rh1 Rd1 25.Rd1 Rd8 26.Rd3 Rd3 27.Qd3 Nd4 28.Bg4 Qd8 29.Bd4 ed4 30.f4 Qe7 31.e5 Qd8 32.Bf3 f6 33.Qg6 fe5 34.fe5 d3 35.Bd1 d2 36.Bb3 Kh8 37.Qh5 Bh6 38.Qh6 1-0. Zobbie (2505) - prydurok (2545), Rated bullet game, lichess.org, 2020.

8.Bg2 Nbd7 9.h3 Bf3 10.Bf3 Re8 11.0-0 e5 12.Bg2 a6 13.Re1 e4 14.e3 ed3 15.cd3 Ne5 16.Qc2 Rc8 17.Rac1 h5 18.Nb3 Ned7 19.Na5 Rb8 20.Bc3 Ne5 21.Rcd1 h4 22.g4 Ned7 23.Qb2 Rf8 24.Nb3 b6 25.Nd4 Rc8 26.Nf3 c5 27.bc5 Nc5 28.Bb4 a5 29.Bc5 bc5 30.Qe2 Re8 31.Nh4 d4 32.e4 Ne4 33.Be4 Qh4 34.Qf3 Qf6 35.Qg2 Qf4 36.Bd5 Bf6 37.Re4 Re4 38.Be4 Re8 39.Bd5 Kg7 40.Rb1 Re7 41.Rf1 Bh4 42.Bc4 Re2 43.a4 Rd2 44.Bd5 f5 45.Bf3 fg4 46.hg4 Kh6 47.g5 Qg5 48.Bg4 Qf4 49.Qh3 Rf2 50.Bf3 Rf1 51.Kf1 Qg3 52.Qg3 Bg3 53.Kg2 Bf4 54.Be4 Be3 55.Bd5 Bd2 56.Bc4 Bc3 57.Bd5 Bb4 58.Bc4 g5 59.Bd5 Kg7 60.Bc4 Kf6 61.Kf3 Ke5 62.Kg4 Kd6 63.Kg5 Kc7 64.Kf4 Kb6 65.Ke4 Kb7 66.Kd5 Ka7 67.Kd6 Kb8 68.Kc6 Ka7 0-1. Zobbie (2520) - prydurok (2710), Rated bullet game, lichess.org, 2021.

8.Bg2 Nbd7 9.h3 Bf3 10.Bf3 Re8 11.0-0 e5 12.Bg2 e4 13.e3 ed3 14.cd3 Ne5 15.Qc2 Rc8 16.Nb3 b6 17.Rac1 h5 (17...a6 18.e4 Ned7 19.Rfe1+=) 18.h4 (18.f4 Ned7 19.e4 h4+/-) 18...Nfg4+= 19.Rfe1?? (19.Bd4 Qd6+=) 19...Kh7?? (better 19...Nd3 20.Qd3 Bb2-/+) 20.Nd4 (20.Bd4 Qd6+=) 20...Qd7 21.Qd2 (21.Bc3 c5 22.bc5 bc5-/+ (22...Rc5?! 23.Qd2=)) 21...c5 22.bc5 bc5 23.Nf3 Nf3 24.Bf3 Qf5 (24...d4 25.Bg4 Qg4 26.Kg2=) 25.Bg4 hg4 26.Bg7 Kg7 27.Qe2 Qf3 28.Qf3 gf3 29.g4 (29.Rc3 d4 30.Rcc1 Kf6=) 29...d4 (29...c4 30.Kh2 cd3 31.Rc8 Rc8 32.Rd1=) 30.e4 Kf6 (30...Re6 31.a4=) 31.Kh2= Ke5 (31...Re6 32.a4=) 32.Kg3+= f5?? (better 32...c4 33.dc4 Re6+=) 33.ef5+- Kf6 34.fg6 (34.Re8 Re8 35.Rc5 gf5 36.Rf5 Ke6 37.Kf3 Rg8+-) 34...Kg6 (34...Re1 35.Re1 Kg6 36.Re7+-) 35.Kf3 (better 35.Re8!? Re8 36.Rc5 Rb8+-) 35...Rf8 (35...Re1 36.Re1 Rf8 37.Kg2+-) 36.Kg3 Kf7 (36...Rc6 37.Re7 Rf7 38.h5 Kg7 39.Rf7 Kf7 40.g5+-) 37.Re5 Rfe8 (37...Rb8 38.Rcc5 Rb3 39.Rf5 Kg8 40.Rg5 Kh8 41.Rh5 Kg8 42.Rcg5 Kf7 43.Rh7 Ke6 44.Rg6 Rf6 45.Rf6 Kf6 46.g5 Ke6 47.Ra7 Rd3 48.Kg4+-) 38.Rf5 Kg6 (38...Ke6 39.Rfc5 Rc5 40.Rc5+-) 39.Rfc5 Rb8 (39...Rc5 40.Rc5 Rb8 41.g5+-) 40.Rc6 (40.Rc7 Kf6+-) 40...Kg7 (40...Kf7 41.R1c4 Red8 42.Rc7 Kg8 43.Kf3+- (worse 43.Ra7 Rbc8 44.Raa4 Rc4 45.Rc4 Kf7+-)) 41.R1c5 (41.Rc7 Kf8+-) 41...Re1 (41...Rb3 42.Rc7 Kg8 43.Ra7 Rd3 44.Kf4+-) 42.Rg5 (42.Rc7!? Kg8 43.Rd5 Rg1 44.Kf4 a6+-) 42...Kf7 43.Rc7 Ke6 (43...Re7 44.Rg7! Kg7 45.Re7 Kg8 46.Ra7+-) 44.Rcc5 (better 44.Rg6 Kd5 45.Ra7 Re3 46.fe3 de3 47.Rd7 Kc5 48.Re6+-) 44...Kd6 (44...Rb3 45.Rc6 Kf7 46.Rc7 Re7 47.Rg7 Kg7 48.Re7 Kf6 49.Ra7 Rd3 50.Kf4+-) 45.Rgd5 Ke6 46.f4 (better 46.Rd4 Rb3 47.Ra5+-) 46...Re3= 47.Kf2 Rd3?? (better 47...Rb2 48.Kf1 Rb1 49.Kg2 Rb2 50.Kf1 Rb1 51.Kf2 Rb2 52.Kf1=) 48.f5+- Kf6 (48...Ke7 49.Rc7 Ke8 50.Re5 (50.Ra7?! Rb2 51.Ke1 Rh3 52.Ra8 Ke7 53.Ra7 Ke8 54.Ra8 Ke7 55.Ra7 Ke8=) 50...Kf8 51.Ra7 Rb2 52.Re2+-) 49.Rd6 (better 49.Rc7 Rb2 50.Ke1 Re3 51.Kd1 Rd3 52.Kc1 Rc3 53.Kb2 Rc7 54.g5 Kf7 55.Rd4+-) 49...Ke7 50.Re6 Kd7 (50...Kf8 51.Rd5 Ra3 52.Rd4+-) 51.Rd5 (51.Ra5 Rb2 52.Re2 Rbb3 53.Ra7 Kd8 54.Ra8 Kd7+-) 51...Kc7 52.Re7 Kc6 53.Ree5 (53.Ra5 Rb2 54.Re2 Rbb3 55.Re6 Kb7+-) 53...Ra3?? (better 53...Rb2 54.Ke1 Rh3 55.Rc5 Kb6-+) 54.Rc5 (better 54.Rd4!? Rh3 55.Rde4 Rb2 56.Re2 Re2 57.Ke2 Rh4+-) 54...Kd6 55.Red5 Ke7 56.Rd4?? (better 56.Rc2+-) 56...Rb2= 57.Ke1 Rh2?? (better 57...Rh3 58.Re5 Kf8 59.Rd8 Kf7 60.Rd7 Kf8 61.Rd8 Kf7 62.Rd7 Kf8 63.Rd8=) 58.Rd1?? (better 58.Re5 Kf8 59.Red5+-) 58...Raa2?? (better 58...Rh1!? 59.Ke2 Ra2 60.Rd2 Rh2 61.Ke3 Rad2-+) 59.Rc7?? (59.Re5 Kf8 60.Rd8 Kf7 61.Rd7 Kf8 62.Rd8 Kf7 63.Rd7 Kf8 64.Rd8=) 59...Ke8 60.Rc8 Ke7 61.Rc7 Kf6 62.Rc3?? (better 62.g5 Kf5 63.Rf7 Kg6 64.Rf4 Rh1 65.Rf1 Rh4 66.Rg1-/+) 62...Ke5 (62...Rh1) 63.Rc5 (63.Rf3 Ke4 64.Rdd3 Ra1 65.Rd1 Rh1 66.Kf2 Rhd1 67.Rc3 Rf1 68.Ke2-+) 63...Ke4 64.Rc4 Kf3 (64...Ke3 65.Rc3 Kf4 66.Rc4 Kg3 67.Rd3 Kh4 68.Rf4 Rh1 69.Rf1 Ra1 70.Ke2 Rhf1 71.Rd4-+) 65.Rc3?? (better 65.Rd3 Kg2 66.Rd2 Rd2 67.Kd2 Kg3 68.Ke3 Kh4 69.f6+-) 65...Kg4 (better 65...Kf4 66.Rc4 Kg3 67.Rd3 Kh4-+) 66.Rc2?? (better 66.Rc4 Kf5 67.Rc5 Ke6 68.Rc6 Kf7 69.Rc7 Kg6 70.Rc6 Kh5 71.Rd5 Kh4 72.Rh6 Kg4 73.Rh2 Rh2 74.Ra5-/+) 66...Kf5 (66...Rac2 67.Rd4 Kh5 68.Kd1 Ra2 69.Rd2 Rad2 70.Kc1 Rdg2 71.f6 Rh1) 67.Rd4?? (better 67.Rd5 Ke6 68.Rh2 Rh2 69.Rd4=) 67...Rac2 68.Rd5 (68.Rd5 Ke4 69.Kd1 Rcg2 70.Rd2 Rd2 71.Kc1 Rdf2 72.h5 Rh1). Zobbie (2555) - prydurok (2690), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 Bf3 9.Bf3 Nbd7 10.0-0 e5 11.e4 Re8 12.Re1 Qb6 (12...d4 13.c3 dc3 14.Bc3=) 13.c4 Rad8 (13...d4 14.c5 Qa6 15.Bg2=) 14.Qc2 (14.ed5!? cd5 15.cd5+/-) 14...de4 15.de4 c5 16.Bc3 Nf8 17.bc5 Qc5 18.Bb4 Qc7 19.a4 Ne6 20.Nb3 White prepares the advance c5 (20.Rad1 Nd4 21.Qc3 Bh6=+) 20...Nd7 (20...Nd4 21.Nd4 Rd4 22.Qb2-/+) 21.c5 Nd4 22.Nd4 ed4 23.Rad1 a5 24.Ba3 d3 (better 24...b6-/+) 25.Rd3 Ne5 26.Rde3 Bh6 (26...Nf3 27.Rf3 Qc6 28.Rfe3=) 27.Rb3+= Rd2 28.Qc3 (28.Qb1 Nf3 29.Rf3 Rd4+=) 28...Red8 (28...Rd3!? 29.Qd3 Nd3 30.Rd3 Bf8=) 29.Be2+= Bg7 30.Qe3 Ra2 (30...Nc6+/-) 31.Bc1 (better 31.Reb1!?+-) 31...Ra1 (31...Ra4 32.Bb2=) 32.Kg2 (32.Bb5 Rd4+/-) 32...h5 (better 32...Ra4 33.Bb2 Nc4 34.Bc4 Rc4 35.Bg7 Kg7=) 33.Bb2?? (better 33.Ra3 Rb1 34.Bd2 Re1 35.Be1+/-) 33...Re1-+ 34.c6 (34.Be5 Be5 (worse 34...Qe5 35.Rb7 Rdd1 36.Rf7-+) 35.Rb5 Rd4-+) 34...bc6 (34...Nc6?! 35.Bg7 Re2 36.Qh6-+) 35.Qf4 (35.Be5 Qe5 36.Rb7 Rd4-+) 35...Qe7 (35...Re2 36.Kf1 Qd6 37.Be5 Qd1 38.Kg2 Qb3 39.Bg7 Kg7 40.Qe5 Kh7 41.Qf4-+) 36.Be5 Be5 (36...Be5 37.Qe3 Bd4-+) 0-1. Zobbie (2620) - Haatelian_Quetaniab (2795), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 Bf3 9.Bf3 Nbd7 10.0-0 Re8 11.e4 de4 12.de4 h5 13.Re1 Qc7 14.c4 Rad8 15.Qc2 Ne5 16.Be2 Nfg4 17.Rad1 Kh7 18.h3 Nf6 19.f4 Ned7 20.Nf3 Nf8 21.Ng5 Kg8 22.e5 N6h7 23.Ne4 Rd1 24.Rd1 Rd8 25.Kf2 Rd1 26.Qd1 Qd7 27.Qc2 f6 28.c5 Qh3 29.Bc4 Kh8 30.ef6 ef6 31.Bf1 Qe6 32.Nd6 f5 33.Bc4 Qe7 34.Nf7 Kg8 35.Ng5 Kh8 36.Nf7 Kg8 37.Ng5 Kh8 38.Nf7 ½-½. Zobbie (2525) - prydurok (2710), Rated bullet game, lichess.org, 2021.

8.Bg2 Bf3 9.Nf3 Nbd7 10.0-0 Re8 11.Re1 e5 12.Nd2 e4 13.e3 ed3 14.cd3 Ne5 15.Qc2 Rc8 16.Rac1 h5 17.Nf3 Nf3 18.Bf3 Qd7 19.Kg2 Rcd8 20.Bd4 a6 21.Qc3 Rf8 22.Bf6 Bf6 23.Qf6 Rfe8 24.d4 Re6 25.Qf4 Kg7 26.g4 Rf6 27.Qg3 hg4 28.Bg4 Qe7 29.Rh1 Rh8 30.h4 Qe4 31.Bf3 Qf5 32.Rcg1 Kf8 33.Qg4 Qg4 34.Bg4 Kg7 35.f4 Rd6 36.Kf3 Kf6 37.h5 Rdd8 38.hg6 fg6 39.Rh3 Rh3 40.Bh3 a5 41.Rb1 Ra8 42.b5 Ra7 43.bc6 bc6 44.Rb6 Rc7 45.Ra6 Ke7 46.Ra5 Kd6 47.Rc5 Ra7 48.Rc3 Rf7 49.Bf1 g5 50.Kg4 gf4 51.ef4 Rg7 52.Kf3 Rf7 53.Bd3 Rh7 54.Bh7 Kd7 55.Bd3 Kd6 56.f5 Kc7 57.Kf4 Kd6 58.f6 Ke6 59.Kg5 Kd6 60.Kg6 Ke6 61.f7 Ke7 62.f8Q Kf8 63.Kf6 Ke8 64.Ke6 Kd8 65.Kd6 Ke8 66.Rc6 Kf7 67.Bf5 Kf6 68.Be6 Kg5 69.Bd5 Kf4 70.Ke6 Ke3 71.Be4 Kd4 72.Bd5 Kd3 73.Rd6 Kd4 74.a4 Ke3 ½-½. Zobbie (2515) - prydurok (2715), Rated bullet game, lichess.org, 2021.

8.h3 Bf3 9.Nf3 Nbd7 10.Bg2 Re8 11.0-0 e5 12.e3 e4 13.de4 Ne4 14.Bg7 Kg7 15.Rc1 Qf6 16.c4 Nb6 17.cd5 Nd5 18.Nd4 Rad8 19.Qb3 Nd2 20.Qa4 Nf1 21.Rf1 a6 22.Qb3 Qe5 23.a4 h6 24.b5 ab5 25.ab5 c5 26.Nf3 Qe6 27.Qb2 Qf6 28.Qb3 Nb4 29.h4 Rd3 30.Qc4 Red8 31.Qc5 Qd6 32.Qc1 Rd5 33.Qb2 Qf6 34.Qb4 Rd1 35.Rd1 Rd1 36.Kh2 Ra1 37.h5 g5 38.Qd4 Ra2 39.Qf6 Kf6 40.Kg1 Ra1 41.Bf1 Ke6 42.Kg2 f5 43.Nd4 Kf6 44.Bd3 g4 45.Bf5 Kg5 46.Bc8 b6 47.Bb7 Kh5 48.Bc6 Kg5 49.Ne6 Kf6 50.Nd4 Ke5 51.Ne2 Ra2 52.Nf4 Rb2 53.Ng6 Kf6 54.Nf4 Kg5 55.Nd5 h5 56.Nb6 h4 57.gh4 Kh4 58.Nc4 g3 59.Nb2 gf2 60.Kf2 Kg4 61.b6 Kg5 62.b7 Kf5 63.b8Q Ke6 64.Qb6 Kf6 65.Qc7 Kf5 66.Qd7 Ke5 67.Qd6 Kf5 68.Qd5 Kf6 69.Nc4 Ke7 ½-½. Zobbie (2505) - prydurok (2545), Rated bullet game, lichess.org, 2020.

6.Ngf3 Nbd7

7.g3 b6 8.Bg2 Bb7 9.0-0 Rc8 10.Rc1 c5 11.c3 c4 12.Re1 e5 13.e4 (13.dc4 dc4 14.Ne5 Bg2 15.Nd7 Qd7 16.Kg2 Rfd8=) 13...cd3=+ 14.ed5 Nd5 (14...b5 15.c4 bc4 16.Nc4 Bd5 A) 17.Qd3? e4 18.Qb3 ef3 19.Bf3 Be6-+; B) 17.Nfe5 Bg2 18.Nd7 B1) 18...Nd7?! 19.Bg7 (19.Kg2? Rc4 20.Rc4 Qa8 21.f3 Bb2-+) 19...Kg7 20.Kg2=; B2) 18...Qd7 19.Bf6 Bf6 20.Kg2 Qd5 21.Qf3 Qf3 22.Kf3 Bg5-+; C) 17.Nce5 Ne5 18.Ne5 (18.Be5?? Rc1 19.Qc1 Bf3 20.Bf3 d2-+; 18.Re5? Bf3 19.Qf3 Rc1 20.Bc1 d2 21.Bd2 Qd2-+) 18...Rc1 19.Bc1 (19.Qc1? Bg2 20.Nd3 Ba8-+) 19...Bg2 20.Kg2 Qd5 21.Kg1=+) 15.c4= e4? (better 15...Ne7!?=) 16.Bg7+/- (16.cd5 Bb2 17.Rc8 Qc8 (worse 17...Bc8 18.Ne4 Nf6 19.Nf6 Qf6 20.Qd3+/-) 18.Ne4 A) worse 18...Ba3 19.Qb3 (worse 19.Qd3 Bb4 20.Rd1 Re8-/+) 19...Bc1 20.Nd6+/-; B) 18...Qc2-/+) 16...ef3 17.Bf8 (17.cd5?! Rc1 18.Qc1 Kg7 19.Bf3 Nf6+=) 17...fg2 18.Bh6 (18.cd5?! Rc1 19.Qc1 Nf8+/-; 18.Kg2?? Ne3 19.Kg1 Nd1-+) 18...N5f6 19.Nf3 (better 19.Rc3 b5 20.c5+-) 19...Ng4+= 20.Bf4 Bf3 21.Qf3 g5?? (better 21...d2 22.Bd2 Nde5+/-) 22.Qg4+- h6 23.Bd2 Nf6 24.Qf5 Kg7 (24...Rc6 25.Rc3 Qc8 26.Qd3+-) 25.h4 (25.h4 Qd7 26.Qd7 Nd7 27.Re3+-) 1-0. Zobbie (2510) - kimmy888 (2530), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 c5 8.Bg2 cb4 9.ab4 Re8 10.0-0 e5 11.e4 d4 12.c3 dc3 13.Bc3 b6 14.Nc4 e5 draws heavy fire 14...Bb7 (14...Qc7!?+=) 15.Nd6+/- Qc7 (15...Re6 16.Nb7 Qc7 17.Be5 Ne5 18.Ne5 Qb7 19.Nc4+/-) 16.Ne8+- Ne8 17.Rc1 Qd6 18.Qc2 (18.d4 ed4 19.Nd4 Qe7+-) 18...Rd8 19.Rfd1 Nf8 (19...Qe7 20.b5+-) 20.d4 ed4 21.Nd4 Qb8 22.Nb5 Rc8 23.Qb2 Ne6 24.Bg7 N6g7 25.Rc8 Qc8 26.Na7 Qd7 (26...Qa8 27.Qe5 Ne6+-) 27.Rd7 1-0. Zobbie (2580) - Lilanarus (2575), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 Re8 8.Bg2 e5 9.e4 a5 10.0-0 Nb6 11.Rc1 Na4 12.Ba1 d4 13.c4 dc3 14.Bc3 Nc3 15.Rc3 ab4 16.ab4 c6 17.Nc4 Nd7 18.Qb3 Nb6 19.Nb6 Qb6 20.Ng5 Re7 21.Rfc1 h6 22.Nf3 Be6 23.Qb1 Rd8 24.h3 Qb5 25.Bf1 Qb6 26.Qc2 Red7 27.Rb1 f6 28.Rc4 Bc4 29.dc4 c5 30.bc5 Qc5 31.Rb5 Qc6 32.c5 Rd1 33.Kg2 Kh7 34.Bc4 R8d7 35.Rb6 Qc7 36.Bd5 R1d5 37.ed5 Rd5 38.Nh4 f5 39.Nf5 gf5 40.Qf5 Kh8 41.Re6 Rd8 42.Qg6 Rf8 43.Re8 Qc6 0-1. Zobbie (2515) - Egor_Kovalev (2670), Rated bullet game, lichess.org, 2022.

7.g3 Re8 8.Bg2 e5 9.e4 c6 10.0-0 b6 11.Re1 a5 12.c3 Bb7 13.Qb3 Ba6 14.c4 d4 15.Rac1 Qe7 16.h4 Bf8 17.h5 Nh5 18.Nh4 Nhf6 19.Ndf3 ab4 20.ab4 Qb4 21.Qc2 Bb7 22.Rb1 Ra2 23.Qc1 Qa5 24.Ne5 Qe5 25.Nf3 Qh5 26.Bd4 Ng4 27.Ra1 Ra1 28.Qa1 c5 29.Bc3 f5 30.Qa7 fe4 31.Qb7 ef3 32.Re8 Qh2 33.Kf1 Qg2 34.Ke1 Qf2 35.Kd1 Qf1 36.Kc2 f2 37.Qd7 Qg2 38.Qe6 1-0. Zobbie (2535) - ori_1996 (2500), Rated bullet game, lichess.org, 2023.

7.g3 Re8 8.Bg2 e5 9.e4 d4 10.c3 c5 11.0-0 b6 12.Nc4 Bb7 13.Nd6 Qc7 14.Ne8 Ne8 15.cd4 ed4 16.Rc1 Qd6 17.Qb3 Nc7 18.Ng5 Ne6 19.Ne6 fe6 20.f4 Rb8 21.Bh3 Nf8 22.Qc4 Rc8 23.Qb5 a6 24.Qa4 b5 25.Qb3 Kh8 26.bc5 Rc5 27.Rc5 Qc5 28.Be6 a5 29.Bh3 a4 30.Qd1 b4 31.Qa4 ba3 32.Qa3 Qb5 33.Rc1 Bc6 34.Rc5 Qb6 35.Bf1 h6 36.Rc6 Qc6 37.Qb4 Qe8 38.Bd4 Qf7 39.Bg7 Qg7 40.Qc4 Kh7 41.e5 Nd7 42.Qe4 Nf8 43.d4 Ne6 44.Bd3 Nc5 45.dc5 Qd7 46.h4 Qg7 47.Qg6 Qg6 48.Bg6 Kg6 49.c6 Kh5 50.c7 Kg4 51.c8Q Kg3 52.Qe6 Kh4 53.Qf5 h5 54.Qf6 Kg3 55.e6 Kf3 56.e7 Ke3 57.e8Q Kf3 58.Qeg6 1-0. Zobbie (2560) - Dmitrij_Osetrov (2500), Rated bullet game, lichess.org, 2022.

6.g3 b6

7.Bg2 Bb7 8.Ngf3 a5 9.c3 ab4 10.cb4 Nbd7 11.Qb3 e6 12.0-0 Qe7 13.Rac1 c5 14.bc5 Nc5 15.Qb6 Rfc8 16.Rc3 (16.Bf6!? Bf6 17.d4+/-) 16...Rab8 (16...Nfd7 17.Qb4 Qd8 18.Rc5 Nc5 19.Bg7 Kg7+/-) 17.Qa5= Nfd7 18.Rfc1 Bc3 19.Bc3 f6 20.Bb4 (better is 20.d4 Ne4 21.Ne4 de4 22.Nd2=+) 20...Qf7?? (better is 20...Ra8 21.Qb5 Ba6-/+) 21.Bc5+- Nc5 22.Rc5 Rc5 23.Qc5 Rc8 24.Qb4 Rc1 25.Nf1 e5 26.e4 de4 27.de4 Be4?? 28.h3 Qc7?? 29.a4 Qc6 30.Qb8 Kg7? 31.Qb3?? Rc3= 32.Ne3?? Rb3-+ 33.Ne1 Rb1 34.Be4 Re1 35.Kh2 Qe4 36.a5 Re3 37.fe3-+ Qe3 38.h4 g5 39.hg5 fg5 40.a6 g4 41.Kg2 h5 42.Kh2 h4! 43.gh4 Kg6 44.Kg2 Kh5 45.a7 Qa7 46.Kg3 Qe3 47.Kg2 Kh4 48.Kh2 g3 49.Kg2 Qf2 50.Kh1 Qh2 (50...Qf1) 0–1. golfx – fre3, kurnik, 2012.

7.Bg2 Bb7 8.Ngf3 c6 9.0-0 Nbd7 10.c4 e6 11.cd5 ed5 12.e4 de4 13.Ne4 Ne4 14.Bg7 Kg7 (14...Nf2!? 15.Rf2 Kg7=+) 15.de4= Nf6 16.e5 Nd5 17.Qd4 Kg8 18.Rfd1 Qe7 19.Qc4 a6 20.Re1 Rac8 21.Rad1 Rfe8 22.h4 h6 23.Nd2 b5 24.Qc5 Qc5 25.bc5 Nc3 26.Rc1 Nd5 27.Nb3 Kg7 28.Na5 Ba8 29.Re2 Rcd8 30.Rce1 Nc3 31.Re3 Nd5 32.Rd3 h5 33.Bd5 Rd5 34.Rd5 cd5 35.f4 Rc8 36.Rc1 Kf8 37.c6 Ke7 38.Rc5 Ke6 39.Kf2 f6 40.ef6+/- Kf6 41.Ke3 Ke6+= 42.Kd4 Rd8 43.c7 Rc8= 44.Nb3 Kd6 45.Nd2 Rc7 46.Rc7 Kc7 47.Nf3 Kd6 48.Ne5 a5 49.Ng6 b4 50.ab4 ab4 51.Ne5 b3 52.Kc3 d4 53.Kb3 Be4? 54.Kc4+- d3 55.Nd3 Ke6? 56.Kd4 Bf5 57.Ne5 Kf6 0–1. golfx – krzyk555, kurnik, 2011.

7.Bg2 Bb7 8.Ngf3 Nbd7 9.0-0 Rb8 10.Rc1 a5 11.c3 ab4 12.cb4 c5 13.bc5 bc5 14.Qc2 d4 15.Nb3?? (15.Nc4 Bd5=) 15...Qb6?? (better is 15...Bf3 16.Bf3 Qb6 17.Nc5 Qb2 18.Qb2 Rb2 19.Nd7 Nd7-+) 16.Rb1?? (better is 16.Nbd2=) 16...Bf3-+ 17.Bf3 Qb3 18.Qb3 Rb3 19.Ba1 Rfb8 20.Rb3 Rb3 21.a4 Nb6 22.a5 Na8 23.a6?? Nc7-+ 24.a7 Ra3 25.a8Q Na8 26.Bb2 Ra2 27.Bc1 Ra1 28.Bf4 Rf1 29.Kf1 Nc7 30.Bc7=+ e5 31.Bb6 Bf8 32.e3 Bd6=+ 33.ed4 cd4-/+ 34.Bc6 h5 35.Kg2 Kg7 36.Ba5 Ng4 37.h3 Nh6 38.Bb6 f5 39.f4 ef4 40.gf4 Bf4 41.Bd4 Kf7 42.Bd5 Ke7 43.Bg7 Nf7 44.Bc4 Be5?? 45.Bf7+= Bg7 46.Bg6 Kf6 47.Bh5 Kg5 48.Bf3 Bd4 49.Kg3 f4 50.Kg2+= Kh4 51.Bg4 Kg5 52.Kf3 Be3 53.Ke4 Bd4?? 54.Kf3 Be3+= 55.Be6 Kf6 56.Bd7 Ke7 57.Bc8 Kd8 58.Bg4 Ke7 59.Ke4 Kf6 60.d4 Kg5 61.d5 Kf6? 62.d6 Kf7 63.Kd5 Ke8 64.Kc6 Kd8 65.d7 Bc1 66.Kd5 Be3? 67.Ke6 Bd2 68.h4+- f3? 69.Bf3 Be3 70.h5 Bh6 71.Bg4 Bg5 72.Kf7 Bh6 73.Kg6 Bd2. golfx – arsim25, kurnik, 2011.

7.Bg2 Bb7 8.Ngf3 Nbd7 9.0-0 c5 10.c4 dc4 11.dc4 cb4 12.ab4 Ne4 (12...a5!?=) 13.Bg7+/- Kg7 14.Ne4 Be4 15.Qd4 Nf6 16.Rfd1 Bf3? (16...Qd4 17.Rd4 a5 18.ba5 Ra5 19.Ra5 ba5 20.Ne5 Bg2 21.Kg2=) 17.Qd8 (better is 17.Bf3!? Qd4 18.Rd4+/-) 17...Rfd8 18.Bf3 Rd1 19.Rd1 Rc8 20.Rc1 a5 21.ba5 ba5 22.c5 e5 23.c6 e4 24.Bg2 Kf8 25.c7 Ke7= 26.Bh3 Nd7 27.f3 ef3 28.ef3 f5 29.Kf2 Ne5 30.g4?? Nd3-+ 31.Ke3 Nc1 32.gf5 gf5 33.Bf5 Rc7 34.Bh7 Kd6 35.f4 Rh7 36.h4 Rh4 37.f5 Ke7 38.f6 Kf6 39.Kd2 Ke5 40.Kc1 Rh2 41.Kb1 Kd4 42.Kc1 Kd3 43.Kb1 Kc3 44.Ka1 Kb3 45.Kb1 Rh1# 0–1. golfx – mmo009, kurnik, 2011.

7.Bg2 Bb7 8.Ngf3 Nbd7 9.0-0 c5 10.bc5 Nc5 11.c4 dc4 12.Nc4 Na4?? (better is 12...Rc8=) 13.Qa4+- Bf3 (13...a6 14.Qb4 b5 15.Ne3+-) 14.Bf3 Rb8 15.Qa7 b5 16.Ne3 e6 17.Bf6 Qf6 18.Rab1 e5 19.Qc7 Qa6 20.Rb3 Qa4 21.Rfb1 Rfc8 22.Qd6 Bf8 23.Qe5 Ba3 24.Rb5 Rb5 25.Qb5 Qb5 26.Rb5 Rc1 27.Kg2 Bc5 28.Nc4 Bd4 29.Rb7 f6 30.Bd5 Kh8 31.Nd6 h5 32.Nf7 Kh7 33.Ne5 Kh6+- 34.Nf3 Ba1 35.Bg8 g5 36.Rh7 Kg6 37.Rb7 g4?? 38.Nh4 Kg5 39.Rb5 Kh6+- 40.Nf5 Kg6 41.Ne3 Re1 42.Ra5 Re2 43.Ra1 Rd2 44.Ra3 Kg7 45.Bc4 Kg6 46.Ra6 Kg7 47.Nd5 f5 48.Ne3 f4 49.gf4 Rb2 50.Nf5 Kh7 51.Kg3 Rb1 52.Bd5 Rd1 53.Be4 Rd2 54.Kg2 Rb2 55.Ng3 Kg8 56.Nh5 Kf8 57.Nf6 g3 58.hg3 Ke7 59.Nd5 Kf7 60.Nc3 Kg7 0–1. golfx – mmo009, kurnik, 2011.

7.Bg2 Bb7 8.Ngf3 Nbd7 9.0-0 c5 10.bc5 bc5 11.c4 d4 12.e3 de3 13.fe3 Rb8 14.Nb3 (14.Rb1 Bh6 15.Re1 Re8=) 14...Bf3 (14...Ng4 15.Bg7 Ne3 16.Qe2 Kg7 17.Qe3 Bf3 18.Nc5 Bg2 19.Kg2 Nc5 20.Qe5 Kg8 21.Qc5 Qd3 22.Kg1-/+) 15.Bf3= Qb6 16.Bf6 Bf6 17.Rb1 Ne5 18.Be4 Rfd8 19.d4 Nc4 20.Nc5 Qc7 (better is 20...Qa5 21.Qd3 Rb1 22.Rb1 Qa3=) 21.Qd3?? (better is 21.Rb8 Qb8 22.Qd3+/-) 21...Rb1=+ 22.Qb1? Ne3-+ 23.Rc1 Bd4 24.Kh1?? Bc5 25.Qc2 Nc2 26.Bc6 Qc6# 0–1. golfx – mmo009, kurnik, 2011.

7.Bg2 Bb7 8.Ngf3 Nbd7 9.0-0 Rc8 10.e3 c5 11.c3 e6 12.Nb3 cb4 13.cb4 a6 14.Rc1 Qe7 15.Qd2 Rfd8 16.Rc8 Rc8 17.Rc1 Rc1 18.Qc1 h6 19.Qc7 Ba8 20.Ne5 Qe8 21.Qd7?? (better is 21.Nd7 Nd7 22.Bg7 Kg7 23.d4+/-) 21...Nd7-+ (21...Qd7?! 22.Nd7 Nd7 23.Bg7 Kg7 24.d4=) 22.Nd7 Qd7 23.Bg7 Kg7 24.Nd4 e5 25.Nf3 Qc6 26.h3 f6 27.Kh2 a5 28.d4 ab4 29.ab4 Qc4 30.de5 Qb4 31.ef6 Kf6 32.Nd4 Qd2 33.f3 g5 34.Nb5 Qe3 35.Nc7 Bc6 36.Na6 d4 37.Nb4 Bf3 38.Bf3 Qf3 39.h4 gh4 40.gh4 d3 41.h5 d2 42.Nc2 d1Q 43.Ne3 Qdh1# 0–1. golfx – kater255, kurnik, 2012.

7.Bg2 Bb7 8.Ngf3 Ng4 9.0-0?? (better is 9.Bg7 Kg7 10.0-0+=) 9...Bb2-+ 10.Ra2 Bc3 11.h3 Bd2 12.hg4? Bc3 13.e3 Bf6 14.d4 a5 15.c3 ab4 16.cb4 Nc6 17.Qb3 e5 18.de5 Ne5 19.Ne5 Be5 20.Rd1 Rb8 21.Bd5 Bd5 22.Rd5 Qe7 23.Rad2 c6 24.Rd7 Qe6 25.Ra7?? Qg4 26.Rdd7 Qf5 27.f4 Bf6 28.Rf7-/+ Rf7?? 29.Qf7 Kh8 30.Qh7# 1–0. golfx – brynkot, kurnik, 2012.

6.g3 c6

7.Ngf3 a6 8.Bg2 Bg4 9.h3 Bf3 10.Bf3 Nbd7 11.0-0 e5 12.e4 de4 13.de4 Nb6 14.c4 Qe7 15.Qc2 Rfd8 16.c5 Nbd7 17.Nc4 Nf8 18.Be5 Ne6 19.Bd6 Qe8 20.Rad1 Nd7 21.Bg2 Rac8 22.f4 Nd4 23.Qf2 Nb5 24.f5 Ne5 25.Nb6 Ra8 26.Na8 Ra8 27.a4 Nc3 28.Ra1 Nd7 29.Kh2 Ne4 30.Be4 Qe4 31.fg6 Qg6 32.Rae1 Nf8 33.Re7 Ne6 34.Rf7 Re8 35.Rb7 h5 36.h4 Nd4 37.Re7 Re7 38.Be7 Ne6 39.Bd6 Kh7 40.Qf7 Nd4 41.Qg6 Kg6 42.Rf2 Nf5 43.Kg2 Kf6 44.Bf4 Ke6 45.Bg5 Bd4 46.Re2 Kd5 47.Bf4 Ne3 48.Kf3 Nc4 49.Rd2 Ne5 50.Be5 Ke5 51.Rd4 Kd4 52.g4 Kc4 53.gh5 Kb4 54.h6 Ka4 55.h7 Kb5 56.h8Q Kc5 57.Qf6 Kb5 58.h5 c5 59.h6 c4 60.h7 c3 61.h8Q c2 62.Qb2 Ka5 63.Qhc3 Ka4 64.Qc1 Kb5 65.Q1c2 Kb6 66.Qc5 1-0. Zobbie (2500) - prydurok (2555), Rated bullet game, lichess.org, 2020.

7.Bg2 a6 8.Ngf3 Bg4 9.0-0 Qc8 10.c4 Bh3 11.Rc1 Bg2 12.Kg2 Qe6 13.Qb3 dc4 14.Nc4 Nbd7 15.Na5 Qb3 16.Nb3 Nd5 17.Bg7 Kg7 18.Na5 Rab8 19.Rc2 N5b6 20.Rfc1 Rfd8 21.d4 Nf6 22.e3 Ne4 23.Ne5 f6 24.Nd3 Nd5 25.Nc5 Nc5 26.bc5 e5 27.Rb2 ed4 28.ed4 Nc7 29.Rc4 Nb5 30.Rbb4 Na3 31.Rc3 Nb5 32.Rd3 Rd7 33.Kf3 Rbd8 34.Ke3 f5 35.f4 Re7 36.Kd2 Red7 37.Ke3 Kf7 38.Nc4 Rd4 39.Ne5 Ke6 40.Rbd4 Rd4 41.Rd4 Nd4 42.Kd4 a5 43.Nc4 a4 44.Na3 h6 45.h4 h5 46.Nc4 Kf6 47.Na3 Ke6 48.Kc4 Kd7 49.Kb4 Ke6 50.Kc4 Kf6 51.Nc2 Ke6 52.Nd4 Kf6 53.Kb4 Ke7 54.Ka4 Kd7 55.Kb4 Kc7 56.Kc4 b6 57.cb6 Kb6 58.Ne6 c5 59.Nf8 Kc6 60.Ng6 Kd6 61.Ne5 Ke6 62.Kc5 Kf6 63.Kd5 Ke7 64.Kc6 Kf6 65.Kd6 Kg7 66.Ke6 Kh6 67.Kf5 Kh7 68.Kg5 Kg7 69.Kh5 Kh7 70.Kg5 Kg7 71.h5 Kh7 72.h6 Kh8 73.f5 Kg8 74.f6 Kh8 75.f7 Kh7 76.Kf6 Kh8 77.f8Q Kh7 78.Qg7 1-0. Zobbie (2545) - prydurok (2700), Rated bullet game, lichess.org, 2022.

7.Bg2 a6 8.Ngf3 Bg4 9.0-0 Bf3 10.Nf3 Nbd7 11.Qc1 Rc8 12.Ra2 e6 13.Qa1 Nh5 14.g4 Bb2 15.Qb2 Ng7 16.h3 Qe7 17.c4 f5 18.g5 e5 19.cd5 cd5 20.Nd2 e4 21.de4 de4 22.Qb3 Kh8 23.f3 e3 24.Nc4 f4 25.h4 b5 26.Na5 Ne5 27.Qd5 Rfd8 28.Qe4-/+ Nh5 29.Nb7? Re8 30.Nc5 Nc4 31.Qe7 Re7 32.Ne4 Re4 33.fe4+= Nd2 34.Rd1 Rd8 35.Rc2 Ng3 36.Bf3?? Nf3-+ 37.Kg2 Rd1 38.Kf3 Rf1 39.Kg2 Rf2 40.Kh3 Re2 41.Rc8 Kg7 42.Rc7 Kf8 43.Rc8 Ke7 44.Rc7 Ke6 45.Rh7 Ne4 46.Ra7 f3 47.Ra6 Nd6 48.Kg3 f2 49.Kg2 Re1 (49...Re1 50.Rd6 Kd6 51.Kg3 Rg1 52.Kf3 f1Q 53.Ke3 Rg3 54.Kd2 Qf2 55.Kd1 Rg1) 0–1. miki121 – liftari (1925), kurnik, 2011.

7.Bg2 e5 8.Ngf3 Nbd7 9.0-0 (< 9.Be5 Ne5 10.Ne5 Ng4 11.Ng4 Ba1 12.Nh6 Kg7 13.Qa1 Kh6=+) 9...Qc7 10.Rc1 a5 11.c3 e4 12.de4 de4 13.Nd4 Re8 14.e3 Nf8 15.Qc2 Bf5 16.h3 Ne6 17.N2b3 Nd5 (17...Nd4 18.Nd4 Bd7 19.Rcd1=) 18.g4 Nd4 19.Nd4 Be6 20.Be4 (20.Qe4?! Bf5 21.Qe8 Re8 22.gf5 Nb6=; 20.Ne6 Re6 21.Be4 ab4 22.Bd5 cd5 23.cb4 Qc2 24.Rc2 Bb2 25.Rb2 Ra3+=) 20...Nb6 21.Ne6 Re6 22.Bg2 Nc4 23.Ba1 Rd8 24.Rfd1 Na3 25.Qb3 Rd1 26.Rd1 ab4 27.cb4 Ba1 28.Qa3 Bg7 29.Qb3 Qe5 30.Rb1 h5 31.b5 hg4 32.hg4 Qg5 33.bc6 bc6 34.Qc4 1–0. golfx – hugobrasil, kurnik, 2011.

7.Bg2 e5 8.Ngf3 Bg4 9.0-0 Bf3 10.Nf3 Qd6 (10...e4 11.de4 de4 12.Nd2=) 11.c4 (better is 11.Be5!? Qe6 12.Bd4+/-) 11...Nbd7= 12.cd5 cd5 13.e4 d4 14.Nd2 a6 15.Nc4 Qc7 16.Qb3 b5 17.Na5 Qb6 18.Rac1 Rac8 19.Rc8 Rc8 20.Rc1 Rc1 21.Bc1 Ne8 22.Qd5 Qd6 23.Qd6 Nd6 24.f4 ef4 25.Bf4 Ne8 26.Nc6 Kf8 27.e5 h5 28.Kf2 Nc7 29.Be4 Ke8 30.Kf3 f6?? 31.ef6 Nf6 32.Bc7 Ne4 33.Ke4 Bh6 34.Nd4 Bd2 35.Nc2 Kd7 36.Be5 Ke6 37.d4 Bc3 38.h3 Bb2 39.g4 hg4 40.hg4 Bc3 41.d5 Ke7 42.Bc3 (42.Bc3 Kd7 43.Nd4+-) 1–0. golfx – tzvetoslav, kurnik, 2012.

7.Bg2 Be6 8.Ngf3 Nbd7 9.0-0 b6 10.e3 Rc8 11.Rc1 c5 12.b5 a6 13.a4 ab5 14.ab5 Nh5 15.Bg7 Ng7 16.c4 dc4 17.Nc4 Nf6 18.Nb6?? (better is 18.Nfe5 Bc4 19.dc4+/-) 18...Qb6-+ 19.d4 cd4 20.Nd4 Rc1 21.Qc1 Rc8 22.Qb2 Rc5 23.Rb1 h6 24.Nc6 Bd5 25.Bd5? Nd5-+ 26.e4 Nc3 27.Re1?? Qb5 28.Qb5 Rb5 29.Ne7 Kh7 30.Nc6 Rb6 31.Nd4 Ne6 32.Ne6 Re6 33.f3 f5 34.e5 g5 35.f4 Kg6 36.Kf2 Ne4 37.Kf3 Nc5 38.Rc1 Nd3 39.Rc8 g4 40.Ke2 Nb4 41.Rg8 Kf7 42.Rh8 Nd5 43.Kf2 Kg7 44.Rd8 h5?? 45.Rd5+- Kf7 46.Kg2 Ke7 47.h3 Rc6 48.hg4 hg4 49.Rd3 Rc2 50.Kf1 Rc1 51.Ke2 Rc2 52.Ke3 Rc1 53.Kd4 Rg1 54.Kd5 Rb1 55.Kc5 Rc1 56.Kb4 Rb1 57.Kc3 Rc1 58.Kb2 Rc6 59.Kb3 Rb6 60.Kc4 Rc6 61.Kb5 Rc2 62.Kb4 Rg2 63.Kb3 Rh2 64.Kc4 Rh8 65.Kd5 Rd8= 66.Kc4 Rc8 67.Kd4+/- Ke6 68.Rc3 Rd8 69.Ke3 Rd7 70.Rc6 Ke7 71.Rh6 Kd8 72.Rh8 Kc7 73.Rf8 Rd8 74.Rf5 Rd7 75.Rg5 Re7 76.Rg4 Kd7 77.Ke4 Kc7 78.f5 Rd7 79.f6 Rd1 80.Rg7 Kc6 81.Kf5 Rf1 82.Ke6 Kc5 83.g4 Kd4 84.g5 Ke3 85.g6 Ke2 86.f7 Ke1. golfx – d15c03, kurnik, 2012.

7.Bg2 Re8 8.c4 e5 9.cd5 cd5 10.Ngf3 Nc6 11.Rc1 Bg4 12.0-0 Bf3 13.Nf3 e4 14.de4 Ne4 15.Bg7 Kg7 16.Nd4 Kg8 (better is 16...Qf6!? 17.Nb5 Qd8+=) 17.Nc6+/- bc6 18.Rc6 f5 19.e3 Rc8 (better is 19...Qd7 20.Qc2 Rac8+-) 20.Rc8 Qc8 21.Qd5 Kg7 22.Be4 Re4 23.Rd1 Kh6 24.Qc5 Qb7 25.b5 Re7 26.Qc6 Qb8 27.Rd7 Re8?? 28.a4 Rc8 29.Qd6 Qa8 30.Qd5 Qb8?? 31.Rd6 Rc1 32.Kg2 Qe8 33.Rd7 Qf8 34.Qf7 Qf7 35.Rf7 Ra1 36.Ra7 Kg5 37.b6 h5 38.b7 Rb1 39.a5 Kf6 40.a6 1–0. golfx – merryxmas1, kurnik, 2012.

7.Bg2 Re8 8.e4 e5 9.Ne2 Bg4 10.0-0 Qd7 11.c4 Bh3 12.Nf3 Bg2 13.Kg2 de4 14.Ne5 Re5 (better is 14...Qc7!? 15.d4 Nbd7=+) 15.Be5+= ed3 (15...Qd3 16.Qd3 ed3 17.Nf4+/-) 16.Nf4+/- Na6 (16...d2 17.Bf6 Bf6 18.Ra2+-) 17.Nd3 Rd8 18.Nf4 Qe7 19.Qe2 Re8 20.Nd3?? (better is 20.Rae1+-) 20...Nd7-/+ 21.f4 f6 22.Qa2 fe5 23.fe5 Be5 24.Ne5 Ne5 25.c5 Kg7 26.Qb2 Kg8 27.Qb3 Qe6-/+ 28.Qc3 Nc7 29.Rae1 Nd5 30.Qd4-/+ Qe7 31.Rf2+= Qg5? 32.Rfe2+- 1–0. cibis – ofenix, kurnik, 2011.

7.Bg2 Re8 8.Ngf3= Bg4 9.0-0 Qc7 10.c4 Nbd7 11.cd5 Nd5 12.Bg7 Kg7 13.Rc1 Qb6 14.Qb3 e5 15.Nc4 Qc7 16.e4 (16.b5 Bf3 17.Bf3 N7f6+=) 16...N5b6 17.Ne3 (17.Ng5 Nc4 18.dc4 h6=) 17...Be6 (17...Bf3 18.Bf3 Rad8 19.Qc3=) 18.Qb2 f6 19.d4 ed4 20.Nd4 Bf7 21.Qc2 Ne5 22.Nf3 Nbd7 23.Ne5 Ne5 24.f4 Nd7 25.Nc4 Rad8 26.Rcd1 Nb6 27.Nb6 ab6 28.Rd8 Rd8 29.Rd1 Rd6 30.e5 fe5 31.Rd6 Qd6 32.Qc3 Qd1 33.Kf2 Qd4 34.Qd4 ed4 35.Ke2 c5 36.bc5 Bc4 37.Kd2 bc5 38.Bb7 Kf6 39.a4= Ke7 40.a5 Kd6 41.a6 Kc7 42.h3 Kb8 43.g4= Ka7 44.g5?? Bf1 45.h4=+ Ba6?? 46.Bd5?? Be2?? 47.Bg8 (47.Bg8 Bb5 48.Bh7+-) 1–0. golfx – unuklukin, kurnik, 2012.

7.Bg2 Bg4 8.Ngf3 Bf3 9.Nf3 Nbd7 10.0-0 Qc7 11.e3 Rfe8 12.d4 (12.c4=) 12...e5 (12...Nb6 13.Ne5=) 13.c3 (better is 13.Ne5!? Ne5 14.de5+/-) 13...e4 14.Nd2 b5 15.Qc2 (15.a4 Qb7=) 15...a5=+ 16.a4 ab4 17.cb4 ba4 18.Ra4 Nb6 (18...Ra4 19.Qa4 Rb8 20.Rc1=+) 19.Ra5 Ra5 (19...Qd6 20.Bc3=) 20.ba5+= Nbd7 21.Ra1 Ra8 22.Bc3 Bf8 23.Qb3 c5 24.a6 c4 25.Qb7 Qb7 26.ab7 Ra1 27.Ba1 Nb8 28.f3+= Bb4 29.Nb1 ef3 30.Bf3 Ne4 31.Be4+/- de4 32.d5 Bd6? 33.Bd4 f5 34.Kf1 Kf8 35.Ke2 Ke7 36.Kd2 Bc7? 37.Kc3 Kd6+/- 38.Kc4 Nd7? 39.Nc3+- Ne5? 40.Be5 Ke5 41.Nb5 Bb8 42.Kc5 g5 43.Kc6 f4 44.gf4 gf4 45.ef4 Kf4 46.d6 e3 47.d7 e2 48.d8Q e1Q 49.Qb8 Kg5 50.Qg3 Qg3 51.hg3 Kg4 52.b8Q 1–0. golfx – bahlui, kurnik, 2012.

7.Bg2 Bg4 8.Ngf3 Bf3 9.Nf3 Nbd7 10.0-0 Re8 11.Ne5 (11.c4 e5=) 11...Ne5 12.Be5 Nd7 13.Bg7 Kg7 14.c4 Nf6 15.cd5 Nd5 16.Qb3 e5 17.b5 Rb8 18.bc6 bc6 19.Qc4 (19.Qa4+=) 19...a5 (better is 19...Qd6!?=) 20.Qc6+/- Nb6 21.Rab1 Re6 22.Qc2 Rc8 23.Qd2 Na4 24.Rb7 e4? (24...Rc3 25.Rc1 Ra3 26.Rb5+/-) 25.Rfb1?? Nc5 26.R7b5 ed3 27.ed3 Nd3?? 28.Ra5 Rd6+/- 29.Rd1 Rc1? 30.Rc1+- Nc1 31.Qc1?? Rd1 32.Qd1= Qd1 33.Bf1 h5 34.Ra8 Kf6 35.a4 Qd5 36.Rb8 Ke7 37.Rb1 Kd6 38.Ra1 Qa5 39.Bb5 f5 40.Rd1 Kc5 41.Rc1 Kb4 42.Rc6+= Qd8 43.Rc4 Ka5=. golfx – 13marek1991, kurnik, 2011.

7.h3 a6 8.Bg2 Bf5 9.Ngf3 Re8 10.Nh4 Bc8 11.0-0 e5 12.Nhf3 e4 13.de4 Ne4 14.Bg7 Kg7 15.Ne4 Re4 16.e3 Re8 17.c4 Be6 18.cd5 Bd5 19.Qc1 Nd7 20.Rd1 Qf6 21.Qd2 Rad8 22.Qd4 Bf3 23.Bf3 Qd4 24.Rd4 Nb6 25.Rad1 Rd4 26.Rd4 Kf8 27.Kf1 Ke7 28.Ke2 Rd8 29.Rd8 Kd8 30.Kd3 Ke7 31.Kd4 Nd7 32.Be2 f5 33.Bc4 Kd6 34.f3 Nf6 35.e4 fe4 36.fe4 Nd7 37.Bg8 h6 38.Bh7 g5 39.Bf5 Ne5 40.h4 b6 41.hg5 hg5 42.Kc3 c5 43.Kb3 a5 44.Kc3 ab4 45.ab4 Kc6 46.bc5 bc5 47.Be6 Kd6 48.Bd5 Ng4 49.Kc4 Ne3 50.Kb5 Nd5 51.ed5 Kd5 52.g4 Kd4 0-1. Zobbie (2510) - prydurok (2545), Rated bullet game, lichess.org, 2020.

7.Bg2 Nbd7

8.Ngf3 a6 9.0-0 Re8 10.c4 Ng4 (10...dc4!? 11.dc4 Qc7+=) 11.Bg7+= Kg7 12.cd5 cd5 13.Qb3 e6 14.Rac1 b5 15.Rc2 Bb7 16.Rfc1 Rc8 17.Rc8 Bc8 18.Qc3 Nge5?? (18...e5 19.h3 Ngf6 20.d4+=) 19.Nb3 (better is 19.Ne5 Ne5 20.Qe5 Kg8 21.d4+-) 19...f6 20.Na5 (20.Nfd4 Nf7+/-) 20...Nf3+= 21.Bf3 Nb6 22.Qc7 Qc7 23.Rc7 Kh6 24.h4 Rd8 25.Rc6 Na4 26.Nb3 Bb7? 27.Rc7 Bc8+/- 28.Nc5 Nc5 29.Rc5 Bd7 30.Rc7 Kg7 31.e4 d4 32.Ra7 e5 33.Ra6 Kf8 34.Rf6+/- (34.Rf6 Ke7 35.Ra6+/-) 1–0. golfx – pioneter48, kurnik, 2011.

8.Ngf3 a6 9.c4 dc4 10.Nc4 Nb6 11.Nce5 e6 12.Rb1 Nfd5 13.e4 Nc7 14.0-0 Nb5 15.a4 Nc7 16.Ba3 Re8 17.a5 Nd7 18.Nc4 Nb5 19.Bb2 Bb2 20.Rb2 Nf8 21.Qd2 Qf6 22.Rbb1 Qc3 23.Qh6 Qd3 24.Nfe5 Qd4 25.Qg5 Nd7? 26.Rfd1 Qc3? 27.Nd7+- Bd7 28.Rbc1 Qb4 29.Ne5?? Bc8 30.Qf6 Qf8 31.Qh4 Qg7 32.Ng4 Nc3?? 33.Re1 Nb5?? 34.Nf6+- Kh8? 35.Ne8 Bd7 36.Ng7 Kg7 37.Qe7 Be8 38.Qb7 Ra7 39.Qb8 Kf8 40.e5 Re7 41.Bc6 Nd4 42.Be8 Re8 43.Qd6 (43.Qd6 Kg7 44.Qd4+-) 1–0. rumaniaana – e59k, kurnik, 2012.

8.Ngf3 Re8

9.0-0 e5 10.c4 e4 11.de4 Ne4 12.Ne4 (better is 12.Bg7 Kg7 13.Rc1+=) 12...Bb2-/+ (12...de4?! 13.Nd4=) 13.Ra2? (better is 13.Nd6 Ba1 14.Qa1 Re2 15.cd5 cd5 16.Qd1-+) 13...de4-+ (13...Re4?! 14.Rb2 Rc4 15.Nd2=+) 14.Rb2 ef3 15.Bf3 Ne5 16.Rd2 Nf3 17.ef3 Qe7 18.Re1 (18.Rd3-+) 18...Qe1 19.Qe1 Re1 20.Kg2 Be6 21.Rd6 Bc4 22.Rd7 Rb8 23.f4 Kf8 24.g4 Be6 25.h3 Bd7 26.f3 Re3 27.f5 Ra3 28.fg6 fg6 29.h4 Ra4 30.h5 Rb4 31.h6 Re8 32.Kg3 Re3 33.Kh4 Rf3 34.Kg5 Rb5 35.Kh4 Rf4 36.Kg3 Rg4 37.Kf3 a5 38.Ke3 Rf5 39.Kd3 b5 40.Kc3 b4 41.Kb3 c5 42.Kb2 a4 43.Ka2 c4 44.Kb2 a3 45.Ka2 Rf2 46.Ka1 b3 (46...b3 47.Kb1 Rg1#; 46...Rg1#) 0–1. golfx – siostrazakonu, kurnik, 2012.

9.0-0 e5 10.e4 d4 11.c3 c5 12.cd4 cd4 (< 12...ed4 13.bc5 Nc5 14.Bd4+/-) 13.Nc4 b5 14.Na5 Qe7 (14...Nb6 15.Nc6 Qd6 16.Nce5 Re5 17.Ne5 Qe5 18.f4+=) 15.Qd2 (15.Nd4 ed4 16.e5 Ne5 17.Ba8 Bg4=) 15...h5 (15...Ng4 16.h3 Bh6 17.Qc2+=) 16.Rac1 Nb6 (16...Ng4 17.Rc7+=) 17.Qc2 (17.Nc6 Qd6 18.Nfe5 Re5+/-) 17...Bg4 (17...Bd7 18.Nc6 Bc6 19.Qc6=) 18.Qc7 (18.Nc6 Qd6 19.Nfe5 Re5 20.Bd4 Nfd7+/-) 18...Bf3 19.Bf3 Na4 (19...Qc7 20.Rc7 Rec8 21.Rfc1 Rc7 22.Rc7=) 20.Qe7 Re7 21.Ba1 Bh6 22.Rc6 Kg7 23.Bd1 Nb6 24.Re1 Rc8 25.Bb3 Rec7 26.Rc7 Rc7 27.Bb2 Ng4 28.Re2 a6 29.Rc2 Rc2 30.Bc2 f5 31.Nc6 Kf6?? 32.Nb8?? fe4-/+ 33.de4 Nc4 34.Bc1?? Bc1-+ 35.Na6 Ba3 36.Nc7 Bb4 37.Nb5?? Be1 38.f3 Nge3 39.Bb3 (39.Bb3 Nd2 40.Bd5 Nf3 41.Kh1-+) 0–1. golfx – roller4, kurnik, 2011.

9.0-0 e5 10.e4 de4 11.Ne4 Ne4 12.de4 Qe7 13.Re1 Nb6 14.Qe2 Bg4 15.h3 Bf3 16.Bf3 Qe6 17.Kg2 f5 18.ef5 gf5 19.Rad1 (19.Bh5 Re7=) 19...e4 (better is 19...Nc4 20.Bc1 e4=) 20.Bh5?? (better is 20.Bg7 Kg7 21.Bh5=) 20...Bb2-+ 21.f3? (better is 21.Be8 Re8 22.Qe3-+) 21...Re7 22.fe4 Qe4 23.Qe4 fe4 24.Re3 Nd5 25.Rb3 Bg7 26.c4 Nc3 27.Rc1 e3 28.Rbc3 Bc3 29.Rc3 e2 30.Be2 Re2 31.Kf3 Rae8 32.b5 c5 33.a4 b6 34.Kf4 R8e4 35.Kf5 R2e3 36.Rc2 Rd4 37.g4 Rh3 38.g5 Rf3 39.Ke5 Kg7 40.Ke6 Kg6 41.Ke5 Rf5 42.Ke6 Rg5 43.a5 h5 44.ab6 ab6 45.Rf2 h4 46.Rf6 Kh5 47.Ke7 h3 48.Rb6 h2 49.Rc6 h1Q 50.Re6 Qb7 51.Kf6 Rf4# 0–1. golfx – utrhprdel, kurnik, 2012.

9.0-0 e6 10.c4 Nb6 (10...e5 11.Qc2=) 11.c5 Nbd7 12.Qb3 a6 (12...e5 13.Qc2=) 13.e4 de4 (13...e5 14.Rfe1=) 14.Ne4+= Ne4 15.de4 Nf8 (15...Bb2 16.Qb2 e5 17.Rad1+/-) 16.Bg7 Kg7 17.Rad1 Qf6 18.e5 Qe7 19.Rd6 Nd7 20.Rfd1 Rd8 21.Nd2 Rf8 22.Qb2 Kg8 23.Ne4 h5?? 24.Rd7! Bd7 25.Rd7! Qd7 26.Nf6 Kg7 27.Nd7 Rfd8 28.Nf6 Rd1 29.Bf1 Rad8 30.Ne4 R8d4 31.Nd6 R4d2 32.Qc3 Rd3 33.Qc4 Rd4 34.Qe2 R4d2 35.Qf3 Rd6 36.ed6 Rf1 37.Kf1 (37.Kf1 a5 38.d7 b6 39.d8Q f5 40.Qc3 e5 41.Qe5 Kf7 42.Qde8#) 1–0. golfx – mosrau, kurnik, 2011.

9.c4 Qc7 10.e3 e5 11.c5 e4 12.de4 Ne4 13.Bg7 Nd2 14.Qd2 Kg7 15.Qd4 f6 16.0-0 Ne5 17.Ne5 Qe5 18.Qe5 fe5 19.f3 Bf5 20.e4 Be6 21.ed5 cd5 22.Rac1 Bd7 23.Rfe1 Bc6 24.Re2 a6 25.Rce1 Re7 26.f4 e4= 27.Ra2 d4-/+28.a4 Rae8 29.Kf2? e3-+ 30.Kg1 Bg2 31.Kg2 d3 32.Kf3 d2 33.Rh1 e2 34.Rd2 e1Q 35.Re1 Re1 36.Rd7 R1e7 37.Rd6 Kf7 38.b5 ab5 39.ab5 Rc8 40.c6 bc6 41.bc6 Rec7 42.Rd7 Rd7 43.cd7 Rd8 44.h4 Rd7 45.g4 h6 46.f5 Kf6 47.fg6 Kg6 48.Kf4 Rd4 49.Kf3 Kf6 50.Kg3 Ke5 51.g5 hg5 52.hg5 Kf5 53.Kf3 Kg5 54.Ke3 Ra4 55.Kd3 Kf5 56.Ke3 Ke5 57.Kd3 Rh4 58.Kc3 Kd5 59.Kb3 Kc5 60.Ka3 Kb5 61.Kb3 Rh3 62.Kc2-+ Kc4 63.Kd2 Ra3 64.Ke2 Kd4 65.Kf2 Ke4 66.Kg2 Kf4 67.Kh2 Kg4 68.Kg2 Ra2 69.Kf1 Kf3 70.Ke1 Rh2 71.Kd1 Ke3 72.Kc1 Kd3 73.Kb1 Kc3 74.Ka1 Kb3 75.Kb1 Rh1# 0–1. golfx – siostrazakonu, kurnik, 2012.

9.e3 e5 10.e4 Qe7 11.0-0 d4 (11...a5 12.ed5 Nd5 13.c4=) 12.c3= c5 13.bc5 Nc5 14.Nc4 dc3 15.Bc3 Nfd7 16.d4 (16.Nfe5!? Rd8 17.Nd7 Bc3 18.Rc1 Qd7 19.Rc3+=) 16...Ne4=+ 17.Qd3? (17.Bb4!? Qe6 18.Nfe5 Ne5 19.Ne5=+) 17...ed4 (17...Nc3!? 18.Qc3 ed4-+) 18.Bd4-/+ Ndc5 19.Qe3 b5 20.Bc5 Nc5 21.Qe7 Re7 22.Nd6 Ba1-+ 23.Nc8 Rc8 24.Ra1 f5 25.Nd4 Ne4 26.Nb5 Rb8 27.Bf1 a6 28.Nd4 Rb6 29.a4 Nd2 30.Bg2 a5 31.Nb5 Rbe6?? 32.Bd5= Kf7?? 33.Re1?? Kf6 34.Be6? Re6?? 35.Rd1= Nc4 36.Rd7 Nb2 37.Ra7 Na4 38.Ra5 Nb2 0–1. golfx – utrhprdel, kurnik, 2012.

9.0-0 Qc7

10.e3 e5 11.c4 e4 12.de4 de4 13.Ng5 Nh5?? (better is 13...h6 14.Bf6 Nf6 15.Nge4 Ne4 16.Ne4 Rd8=+) 14.Bg7+- Kg7 15.Nde4 h6 16.Qd4 f6 17.Nf3 Ne5 18.Nd6 Nf3 19.Bf3 Re6 20.c5 Bd7 21.Bh5 gh5 22.Qh4 Rd6 23.cd6 Qd6 24.Qh5 Qe5 25.Rad1?? Qh5-+ 26.Rd2?? Bg4 27.Rd6 Bf3 28.h4 Qg4 29.Kh2 Rg8 30.Rc1 Bd5 31.Rg1 Qf3 32.Rd7 Kh8 33.e4 Qf2 34.Rg2 Qg2! 35.Kg2 Be4 36.Kh3 Bf5 37.Kh2 Bd7 38.a4 Bg4 39.b5 cb5 40.ab5 Rd8 41.Kg2 Rd5 42.Kf2 Rb5 43.Ke3 Rb3 44.Kd4 Rg3 45.Kd5 Rh3 46.Kd6 Rh4 47.Kc7 Kg7 48.Kb7 a5 49.Kb6 a4 50.Kb5 a3 51.Kb4 a2 52.Kb3 (52.Ka4 a1Q 53.Kb5 Qe5 54.Kc6 Bf3 55.Kd7 Bb7 56.Kd8 Rd4#) ½–½. golfx – siostrazakonu, kurnik, 2012.

10.e3 e5 11.c4 e4 12.de4 Ne4 13.Ne4?? Bb2-/+ (13...de4?! 14.Nd4=) 14.Ra2 (better is 14.Ned2!? Ba1 15.Qa1 dc4 16.Nc4-/+) 14...de4-+ (14...Re4?! 15.Rb2 Rc4 16.Nd2=) 15.Rb2 ef3 16.Bf3 Ne5 17.Bg2 Be6 18.c5 Rad8 19.Qa4 a6 20.Qa5 Qd7 21.Rc2 Bc4 22.Rfc1 Qd3 23.Qb6?? Rd7 24.a4?? Red8 25.Rc3?? Qd2 26.Rc4 Nc4 27.Rc4 Qe1 28.Bf1 Rd2 29.Rf4 Rd1 30.Kg2 Qf1 31.Kf3 R1d2 32.Qb7 Qf2 33.Kg4-+ Qe2 34.Kg5 R2d7 35.Qc6 Qe3 36.Qa6 Qe7 37.Kg4-+ Rd4 38.Qf6 Qf6 39.Kh3 Rf4 40.b5 Rd3 41.c6 Rf1 42.c7 Qf5 43.Kg2 Qf3 44.Kh3 Qh5 45.Kg2 (45.Kg2 Rd2 46.Kf1 Qd1#) 0–1. golfx – siostrazakonu, kurnik, 2012.

10.e3 e5 11.c4 e4 12.de4 Ne4 13.Bg7 Nd2 (better is 13...Kg7!? 14.Rc1 dc4 15.Ne4 Re4+=) 14.Qd2+- Kg7 15.cd5 cd5 16.Qd5 Nf6 17.Qc5 Qc5 18.bc5 Ne4 19.Rfc1 Bg4 20.Nd4 Bd7 21.c6 Bc6 22.Nc6 bc6 23.Rc6 Nd2 24.Rc7+- Rad8 25.Ra7 Nb3 26.Rb1 Nd2 27.Rbb7 Rf8 28.a4 Rc8 29.Bd5 Rc1 30.Kg2 Rf1 31.Bf7 Kh6 32.Bd5 R1f2 33.Kh3 Kg5 34.Ra5 Kh6? 35.Raa7?? Nf1 36.Rh7 Kg5 37.Ra5?? Rh2# 0–1. golfx – siostrazakonu, kurnik, 2012.

10.e3 e5 11.e4 d4 12.c3 c5 13.bc5 Nc5 14.cd4 Nd3 15.Qb3 Nb2 16.Qb2 ed4 17.e5 Ng4 18.Rac1 Qb6 19.Qb6 ab6 20.Nd4 Ne5 21.Nb5 Rd8 22.Nf3 Nf3 23.Bf3 Ra5 24.Rb1 Bd7 25.Nd6 Ra3-/+ 26.Rb6?? Rf3-+ 27.Nb7 Rb8 28.Rfb1 Bf5 29.R1b3 Rb3 30.Rb3 Be4 31.Nc5 Rb3 32.Nb3 Bc2 33.Nc5 f5 34.f4 Bd4 35.Kg2 Bc5 36.Kf3 Be4 37.Ke2 Kf7 38.h3 h6 39.g4 fg4 40.hg4 Kf6 41.f5 gf5 42.gf5 Kf5 43.Kd2 h5 44.Kc3 h4 45.Kc4 Be3 46.Kc3 h3 (46...h3 47.Kb3 h2 48.Kb4 h1Q 49.Kc4 Qb1 50.Kc3 Bc2 51.Kc4 Qb3#) 0–1. golfx – siostrazakonu, kurnik, 2012.

10.e4 de4 11.Ne4 Ne4 12.Bg7 Kg7 13.de4 Nf6 14.e5 Ne4 15.Qd4 Bf5? (15...f5 16.ef6 Nf6 17.Rfe1+=) 16.Nh4 (better is 16.g4!? Red8 17.Qc4+-) 16...Rad8 17.Qb2 Nd2 18.Rfe1 Nc4 19.Qc3 Be6 20.Nf3 Rd7 21.Ng5 b5 22.Ne6 fe6 23.a4 a6 24.ab5+- ab5 25.Ra6 Rd2 26.Rc6 Qd7 27.Ra6 Rd1? 28.Bc6+- Re1 29.Qe1 Qc8 30.Bb5 Rd8 31.Qc3 Rd1 32.Kg2 Qb7 33.f3?? Qb5-+ 34.Re6 (34.Re6 Ne3 35.Kh3 Qf1 36.Kh4 Qf3 37.Re7 Kh6 38.Rh7 Kh7 39.Qc7 Kh6 40.Qh7 Kh7 41.Kg5 Qf5 42.Kh4 Qg4#). golfx – siostrazakonu, kurnik, 2012.

10.e4 e5 11.ed5 cd5 12.c4 d4 13.Ne4 (better is 13.Re1!?=) 13...Ne4-/+ 14.de4 Nf6 (14...Qc4!? 15.Rc1 Qb5-/+) 15.Qd3=+ Bg4 16.Rac1 Rad8 17.h3 Bf3 18.Bf3 Qd7 19.c5 (better is 19.Bg2!?=) 19...Qh3-/+ 20.Bg2 Qg4 21.b5 Qd7 22.a4 Rc8 23.Ba3 Qc7 24.Rc2 b6 25.Rfc1 bc5 26.Rc5 Qd7 27.Rc6 Rc6 28.bc6 Qc7 29.Rc5 Rc8 30.Bh3 Re8 31.Qb5? Bf8 32.Bb4? Bc5 33.Bc5 Ne4 34.Bd7 Rd8 35.Be7 Rb8 36.Qd5 Rb1 37.Kg2 Nc3 38.Qd6 Qd6 39.Bd6 Na4 40.c7 Rc1?? 41.c8Q?? Rc8-/+ 42.Bc8 Nb6 43.Be5? d3?? 44.Bf4?? Nc4?? 45.Ba6?? d2-+ 46.Bd2 Nd2 47.f4 Ne4 48.Kf3 Nc5 49.Bc4 a5 50.Ke3 Kg7 51.Kd4 Ne6 52.Kc3 Nc5 53.Kd4 Ne6 54.Kc3 1–0. golfx – siostrazakonu, kurnik, 2012.

6.g3 Nbd7

7.Bg2 c5 8.c3 cb4 9.cb4 a6 10.Ngf3 Re8 11.0-0 e5 12.Nb3 e4 13.de4 de4 14.Nfd4 Qe7 15.e3 (15.Rc1 e3=) 15...Ne5=+ 16.Ne2 (16.Qc2 Nd3=) 16...Nf3 (16...Rd8 17.Ned4=+) 17.Kh1 (17.Bf3 ef3 18.Nf4 Bg4=) 17...Bf5 (17...Rd8 18.Nbd4-/+) 18.Nbd4 Rad8 (18...Nd4 19.Nd4 (< 19.ed4 Rad8-/+) 19...Be6 20.Ne6 Qe6 21.Qe2=) 19.Qc2 (19.Bf3 ef3 20.Nf5 gf5+=) 19...Ng4 (better is 19...Bg4=+) 20.Qb3?? (better is 20.Bf3 Rc8 21.Nf5 gf5 22.Qd2 ef3 23.Nd4+=) 20...Ngh2-+ 21.Nf3 (21.Bf3 ef3 22.Nf5 gf5 23.Kh2 fe2 24.Rfe1=+) 21...ef3 22.Kh2 fe2 23.Rfe1 Bd3?? 24.Bg7=+ Kg7 25.Ra2 Qf6-/+ 26.Qb2 Re5 27.f4 Rh5 28.Kg1-/+ Qb2 29.Rb2 b5 30.Bf3 Rhd5 31.Be2?? Be2 32.Ree2 Rd3 33.Ra2 Re8 34.Kf2 f5 35.a4 Re4 36.ab5 ab5 37.Rab2 Rc4 38.Kf3 Rcc3 39.Kf2 h5 40.Ra2 Rb3-/+ 41.Ra7 Kh6 42.Rb7 Rb4 43.Kf3 Rb1 44.Kf2 b4-+ 45.Rc2 h4?? 46.gh4=+ Kh5 47.Rb6 b3 48.Re2 b2 49.Rbb2= Rb2 50.Rb2 Kh4 51.Rb6 g5 52.fg5 1–0. golfx – adro1800, kurnik, 2012.

7.Bg2 c5 8.c3 e5 9.Ngf3 e4=+ 10.de4 de4 11.Ng5 e3 12.Nde4 (12.fe3? Ng4 13.Ndf3 h6-+) 12...ef2 13.Nf2 cb4 14.cb4 (14.ab4 Ng4 15.Ng4 Qg5=+) 14...h6 (better is 14...Ng4! 15.Ng4 Bb2-/+ (< 15...Qg5 16.Bg7 Kg7 17.Qd4 Nf6 18.0-0 Bg4 19.h4+=)) 15.Nf3= Ng4 16.Bg7 Nf2 (16...Ne3 17.Bf8 Nd1 18.Bh6 Nf2 19.Kf2=+) 17.Kf2 Kg7 18.Qd4 Kg8 (18...Nf6!?=) 19.Rhd1+= Re8 20.Ne5 Re7? (20...Qf6!? 21.Nf3 a5=) 21.Rd2 (21.Rac1!? Qb6 22.Rc8 Rc8 23.Nd7 Qd4 24.Rd4+-) 21...Qe8 22.Nd7 Rd7+= 23.Qc3 Rd2 24.Qd2 Kh7 25.Rd1 Bg4 26.Bb7+/- Rb8 27.Bf3 Bf5 28.Qd4 a6 29.e4 Be6 30.e5 Qa4 31.Qd3 Bb3 32.Rd2 Qa3= 33.Bd5 Qb4 34.Bb3 Qb3 35.Qd6 Qb6 36.Kg2 Qd6 37.ed6 Kg7 38.d7 Rd8 39.Rd6 Kf8 40.Ra6 Rd7 41.h4 Kg7 42.Rb6 Re7 43.Rc6 f5 44.Rd6 Kf7 45.Kf3 Re6 46.Rd7 Kf6 47.Rc7 g5 48.hg5 hg5 49.Rb7 g4 50.Kg2 Re2 51.Kf1 Rc2 52.Rb5 Kg5 53.Kg1 Rc3 54.Kg2 Rf3 55.Kh2 Kh5 56.Kg2 Kg6 57.Kh2 1–0. golfx – zarzewie, kurnik, 2011.

7.Bg2 c5 8.c3 e5 9.Ngf3 Re8 10.e4 d4 11.cd4 cd4 12.Nc4 b5 13.Nd6 Re6 14.Nb5 a5 15.Rc1 Rb6 16.Nc7 Ra7 17.Qc2 Bb7 18.0-0?? (better is 18.Qa4=) 18...ab4-+ 19.ab4 Rb4 (19...Rc6 20.Qb3 Qc7 21.Ng5-+) 20.Nd5 Bd5 (better is 20...Nd5!? 21.ed5 Ra2-+) 21.ed5-/+ Ra2 22.Rb1?? (22.Qc8!? Qf8 23.Ba1-/+) 22...Nd5 23.Rfc1? Nc3! 24.Bc3 Rc2 25.Bb4 Rc1 26.Rc1 Nb6 27.Ba5 Qd6 28.Rb1 Nd7 29.Nd2 f5 30.Nc4 Qc5 31.Rb7=+ Nf8 32.Bc7?? e4!-+ 33.Nd6? Qc1 34.Bf1 ed3 35.Kg2 d2 36.Nc4 d1Q 37.Be2 Qe2 38.Bf4 (38.Bf4 Qcf1#; 38.Rb1 Qef1 39.Kf3 Qc3 40.Ne3 Qe3#) 0–1. golfx – lk7zib, kurnik, 2012.

7.Bg2 e5 8.Ngf3 c6 (8...e4 9.de4 de4 10.Ng5-/+) 9.0-0 (9.Ne5 Ne5 10.Be5 Qe7+=) 9...Qe7= 10.e3 (10.e4 de4 11.de4 a5=) 10...e4 (10...a5 11.e4=+) 11.de4= Ne4 12.Bg7 Kg7 13.Ne4 de4 14.Nd2 Nf6 15.c4 Rd8 16.Qc2 Bf5 17.Qc3 (17.Nb3!?=) 17...Rd3=+ 18.Qc2 Rad8 19.Rad1?? (better is 19.Nb3=+) 19...Qd7-+ (19...Ra3?! 20.Nb1 Rad3 21.Rd3 Rd3 22.Qb2-/+) 20.Nb3 (20.h3 Rd2 21.Rd2 Qd2 22.Qa4-+) 20...Rd1 21.Rd1 (21.Nd4 Rf1 22.Bf1-+) 21...Qd1 22.Qd1 Rd1 23.Bf1 Bh3 24.f4 Rf1# 0–1. golfx – cracanatu, kurnik, 2012.

7.Bg2 Re8 8.Ngf3 c6 9.0-0 Qc7 10.e3 Nb6 11.c4 dc4 12.Nc4 Nc4 13.dc4 Bg4 14.Qb3 Rad8 15.Ne5 Be6 16.Qc2 (16.Bd4 Bf5=) 16...Nd7 (16...Bf5 17.Qb3=+) 17.Nd7 Rd7 (17...Bb2 18.Qb2 Rd7 19.Qc2=) 18.Bg7+= Kg7 19.Rac1 Red8 20.b5 c5 21.a4 b6 22.Qc3 f6 23.Bf3 Rd3 24.Qc2 Rd2 25.Qe4 Bf5=+ 26.Qc6 Qd6 27.Qb7 Rd7 28.Qa6 Bh3 29.Rfd1?? Rd1 30.Rd1 Qd1 31.Bd1 Rd1# 0–1. golfx – ekwipotencjal, kurnik, 2012.

5.Nd2 d6

6.e4 c5 7.Ngf3 Nbd7 8.bc5 dc5 9.Be2 a6 10.0-0 b5 11.c4 Bb7 12.Qc2 Rc8 13.Rac1 Qc7 14.h3 e5 15.Rfe1 Nh5 16.Ba1 (16.cb5 ab5 17.d4 ed4 18.Bd4 A) worse 18...Bd4 19.Nd4 (19.Bb5? Bg7-+) 19...b4 20.Bh5+/-; B) 18...Qa5 19.Bg7 Ng7=) 16...Nf4= 17.Bf1 Rfd8 18.Bb2 f6 (18...Bc6 19.Rb1=+) 19.Ba1 (19.cb5 ab5 20.Qb3 Kh8+/-) 19...Nf8 (19...b4 20.ab4 cb4 21.d4=+) 20.Bb2 (20.cb5!? ab5 21.Qb3 N4e6 22.Qb5+=) 20...N8e6 21.Ba1 (21.g3 Nh5=) 21...Rd7 22.Bb2 Rcd8 23.Ba1? (better 23.cb5 Nd3 24.Qb3=+) 23...Nd3-+ 24.Bd3 Rd3 25.cb5 ab5 26.Nb3 (better 26.Bc3-+) 26...c4 27.Nbd2 Bh6 (better 27...Ra3 28.Bc3 Nf4-+) 28.Red1? (28.Bc3-+) 28...Nf4 (28...Qd6 29.Bc3 Be4 30.Bb4-+) 29.Bb2 (29.Rb1-+) 29...Ne2 Black intends c3 30.Kf1 (30.Kh2 Nc1 31.Bc1 Bf4 32.g3 Bd2 33.Nd2 c3-+) 30...Nc1 31.Bc1 c3 32.Qb3 (32.Ke2 R3d7-+) 32...Qf7 33.Ne1 (33.Ke2 Qb3 34.Nb3 Rd1 35.Bh6 c2-+) 33...cd2 34.Qf7 Kf7 35.Nd3 dc1Q 36.Rc1 (36.Nc1 Rd1 37.Ke2 Rc1 38.f3 Rc2 39.Kd3 Rg2 40.Kc3 Bd2 41.Kc2 Bg5 42.Kb3 Rg3 43.Kb4 Rf3 44.h4 Bh4 45.Kb5 Ra3 46.Kb4 Rd3 47.Kb5 g5 48.Kc4 Ba6 49.Kb4 Be1 50.Ka4 Rd4 51.Kb3 Rb4 52.Ka2 Bc4 53.Ka3 Rb5 54.Ka4 Ra5) 36...Bc1 37.Nc1 Rd1 (37...Rd1 38.Ke2 Rc1-+) 0-1. kassanen (1760) - Tengel87 (2100), Casual Blitz game, lichess.org, 2020.

6.e4 Nbd7 7.Ngf3 e5 8.Be2 c6 9.0-0 d5 10.c4 Nh5 11.cd5+= cd5 12.ed5 Nf4 13.Re1 (13.d4 ed4 14.Bd4 Bd4 15.Nd4 Qg5+=) 13...f5?? (better 13...e4 14.Nd4 Qg5-/+) 14.Qc2 (14.Bf1 Re8+/-) 14...Nf6 (14...Re8!?+=) 15.Ne5+/- N6d5 16.Nec4 (16.Bf1 Re8+/-) 16...Qg5 (16...Ne2 17.Re2 Nf4 18.Re3+/-) 17.g3 Nh3 18.Kg2 f4 19.Bf3 (better 19.Ne4!? Qd8 20.Bg7 Kg7 21.Bf3+-) 19...fg3+= 20.hg3 Ndf4 (20...Bb2 21.Nb2 Bg4 22.Qb3 Bf3 23.Nf3 Rf3 24.Kf3 Rf8 25.Ke4-/+) 21.Kh2 (better 21.Kf1 Bf5 22.Re3 (22.gf4 Nf4 23.Bd5 Nd5-+) 22...Bd3 23.Rd3 Nd3 24.Qd3 Bb2 25.Nb2+/-) 21...Bg4?? (better 21...Bb2 22.Nb2 Qh6=) 22.Bg4 (better 22.Bg7 Kg7 23.Bg4 (23.gf4?? Qf4 24.Kg2 Bf3 25.Kf1 Bg4 26.Re7 Kf6 27.Ne4 Ke7-+; 23.Bb7 Nf2 24.Nf3 Bf3 25.Bf3 N4d3 26.Ba8 Qh5 27.Kg1 Ra8-/+) 23...Nf2 24.Bf3 (24.gf4 Qf4 25.Kg2 Qg4 26.Kf1 Nh3 27.Nf3 Qf3 28.Qf2 Qf2) 24...N4d3 25.Qc3 (25.Bb7?! Qh5 26.Kg1 Nh3 27.Kh1 Nhf4 28.Kg1 Nh3 29.Kh1 Nhf4 30.Kg1 Nh3=) 25...Kg8 26.Qd4+/- (26.Bb7?! Qh5 27.Kg1 Nh3 28.Kh1 Nhf4 29.Kg1 Nh3 30.Kh1 Nhf4 31.Kg1 Nh3=)) 22...Qg4+= 23.gf4?? (better 23.Ne5!? Qh5 24.f3 (24.gf4?? Nf4 25.Kg1 Qg5 26.Ng4 Qg4 27.Kh2 Qg2) 24...Ng5 25.Kg1+=) 23...Nf2 (23...Nf4 24.Ne3 Qh4 25.Kg1 Nh3 26.Kg2 Rf2 27.Kh1 Nf4 28.Kg1 Qh2) 24.Rg1?? (24.Re3 Qf4 25.Kg2-+) 24…Qh3 0-1. kassanen (1735) - akhilanem (2300), World bullet League - 2D Team Battle, lichess.org, 2020.

6.e4 e5 7.Ngf3 Nc6 8.g3 a5 9.b5 Ne7 10.Bg2 c6 11.a4 cb5 12.ab5 Qb6 13.c4 a4 14.0-0 Be6 15.Ra4 Ra4 16.Qa4 Nd7 17.Ng5 Nc5 18.Qc2 h6 19.Ne6 Ne6 20.Nb3 f5 21.ef5 gf5 22.Qe2 f4 23.Qg4 Ng5 24.h4 Nh7 25.Re1 Nf6 26.Qe2 fg3 27.d4 gf2 28.Qf2 Ng4 29.Qg3 h5 30.c5 dc5 31.de5 Nf5 32.Qf4 c4 33.Kh1 cb3 34.Bd5 Kh8 35.Kg2 Nfe3 36.Kg3 Rf4 37.Kf4 Nd5 38.Kg5 Bh6 39.Kf5 Ne7 40.Ke4 Nf2 41.Kf3 Nf5 42.e6 Kh7 43.Rg1 Nh4 44.Ke2 Qe3 45.Kf1 Ne4 0-1. Zobbie (2540) - Attacker2700 (2570), Rated bullet game, lichess.org, 2021.

6.e4 e5 7.Ngf3 Nh5 8.g3 (8.d4 ed4 9.Bd4 Bd4 10.Nd4 d5=) 8...f5=+ 9.Bg2 f4 (9...fe4 10.de4 Qf6 11.c4=) 10.d4 Nc6 11.de5 Ne5 (11...Be6 12.Qe2=) 12.Ne5+= de5 (12...Be5 13.Be5 de5 14.Nf3+=) 13.Nc4 (13.Bf3!?+=) 13...Qe7= 14.Ne5?? (14.g4!? Nf6 15.h3= (15.Ne5? Ng4 16.Nd3 Bb2 17.Nb2 f3 18.Bf3 Qf6-+)) 14...f3?? (better 14...Rd8 15.Qf3 Be5 16.Be5 Qe5-+) 15.Bf1=+ Re8 (15...Kh8 16.Qd5 c6 17.Qc5 Qc5 18.bc5=+) 16.Qd5 Be6 17.Qb7 Rab8 18.Qc6 (18.Qa7 Rb4 19.Bd4 Rd4 20.Qd4 Bf7-/+) 18...Rb6-/+ 19.Qa4 (better 19.Qc3 Bf7 20.0-0-0 Be5 21.Qe5 Qe5 22.Be5 Re5 23.Rd8 Kg7 24.Ra8-+) 19...Bc8?? (better 19...Bf7!? 20.Bd3 Be5 21.Be5 Qe5-/+) 20.Bc4?? (better 20.Qb3 Be6 21.Qf3+/-) 20...Kf8=+ 21.0-0-0 (better 21.Ng6!? hg6 22.Bg7 Ng7 23.Bd3=+) 21...Be5-+ 22.Rd4? (better 22.Rhe1-+) 22...c5 (22...Qf6 23.Rhd1 c5 24.bc5 Rb2 25.Bb3 Bd4 26.Qd4 Rb3 27.cb3-+) 23.Rd5 (23.Rd3 Bb2 24.Kb2 cb4 25.Rf3 Nf6 26.Re1 ba3 27.Kc1-+) 23...Bb2 24.Kb2 cb4 (24...cb4 25.Bb5 Qf6 26.Kb1 Re4 27.Qa7 ba3 28.Qa3 Kg7-+) 0-1. Zobbie (2515) - rkurayan (2520), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 b6 7.g3 Bb7 8.Bg2 c5 9.0-0 Qc7 10.e4 Nbd7 11.Re1 Rac8 12.Nc4 a6 13.c3 (13.Ne3 b5=) 13...b5 (13...Ne4 14.de4 cb4 15.ab4 Qc4 16.Bf1=+) 14.Na5= Ba8 15.Rc1 Ng4 16.d4 cd4 (16...Ngf6 17.Nd2=) 17.cd4+= Qb6 18.Qd2 (18.Rc2 e6=) 18...Ngf6 (18...Bh6!? 19.Ng5 Nf2 20.Kf2 f6 21.Rc8 Rc8=) 19.d5+= Ng4 (19...e5 20.h3+=) 20.Bg7 Kg7 21.Nd4 Nge5 22.h3 Nc4 23.Nc4 bc4 24.Kh2 Ne5 25.Rc3 Nd3 26.Nf3?? (better 26.Qe3 Kg8 27.Re2+/-) 26...Ne1-/+ (26...Qf2? 27.Rd3 Qd2 28.Rd2+- (28.Nd2? cd3 29.Bf1 f5 30.Bd3 fe4 31.Ne4 Rf3 32.Ba6 Rc2 33.Re2 Re2 34.Be2 Ra3-+)) 27.Ne1 e6 (27...e5!?-/+) 28.Nc2=+ ed5 29.ed5 Rfe8 (29...Rc7 30.Qe3 Qe3 31.Ne3=+ (31.Re3? c3-+)) 30.Ne3= Re5 (30...f6 31.Nc4 Qc7 32.Rc2=) 31.Nc4 (better 31.Rc4 Qd8 32.Qc3 Rc4 33.Nc4+- (33.Qc4?! Bb7=)) 31...Qb8?? (better 31...Qc7=) 32.Ne5+- de5 33.Rc5 (33.Rc8 Qc8 34.Qe3 Qf5+-) 33...Rd8 34.Qc3 Qd6 35.Qc4 (35.f4 f6 36.fe5 Qe5+-) 35...Qf6 (35...Rd7 36.f4 f6 37.Qe4+/-) 36.Qe2 (36.Rc8 Bb7 37.Rd8 Qd8+-) 36...Rd6 37.Rc8 (37.Qe3 h6+-) 37...Bb7 (37...Bd5 38.Rc5 e4 39.Rc2= (worse 39.Be4 Be4 40.Qe4 Qf2 41.Qg2 Qe3=+)) 38.Rc5 Qd8?? (38...Ba8 39.Qe4 h6+-) 39.Qe4 (39.Qe5!? f6 40.Qc3 Rd7+-) 39...f6 40.h4 (40.Qc4!? Rd7+-) 40...Qe7 41.h5! f5 (41...gh5 42.Qc4 Combination) 42.h6 (better 42.Qc4!? Rd7 43.Qc3+/-) 42...Kh6+= 43.Qh4 (better 43.Qe3 g5 44.Qc3+=) 43...Kg7?? (better 43...Qh4 44.gh4 e4-/+) 44.Qe7 Kh6 45.Qd6 (45.Qh4 Kg7 46.Rc7 Kg8 47.Qh7 Kf8 48.Qf7) 45...Kg7 (45...Bc6 46.Qf8 Kg5 47.Rc4 Be8 48.Qe7 Kh5 49.Qh4) 46.Qe5 (46.Qe7 Kg8 47.Qb7 e4 48.Rc8) 46...Kh6 47.Qc7 (47.Qe3 g5 48.Qe6 Kh5 49.Qf7 Kh6 50.Rc7 g4 51.Qf6 Kh5 52.Rh7) 47...g5 (47...f4 48.Qf4 g5 49.Qf6 Kh5 50.Bf3 g4 51.d6 Bd5 52.Rd5) 48.Qb6 (48.Qb7 a5 49.Rc6 Kh5 50.Qh7 Kg4 51.Qh3) 48...Kh5 (48...Bc6 49.Rc6 Kh5 50.Rh6 Kg4 51.f3) 49.Qd6 (49.Qb7 g4 50.Qf7 Kg5 51.f4 gf3 52.Qg7 Kh5 53.Bf3) 49...g4 (49...h6 50.Qe6 Bd5 51.Qe8 Bf7 52.Qf7 Kg4 53.f3) 50.Qe5 (50.Rc7 f4 51.Qe5 Kg6 52.Be4 Kh6 53.Rh7) 50...Kg5 (50...Kg6 51.Qe6 Kh5 52.Qf5 Kh6 53.Rc7 Bd5 54.Rh7) 51.Qf4 (51.Qg7 Kh5 52.f4 Bd5 53.Qh7) 51...Kg6 (51...Kf6 52.Qh6 Ke7 53.Rc7 Ke8 54.Qe6 Kd8 55.Qd7) 52.d6 (52.d6 Bd5 53.Rd5 Kf7 54.Rf5 Ke6 55.Rf7 h6 56.Re7; 52.Be4 h5 53.Qf5 Kg7 54.Rc7 Kg8 55.Qe6 Kf8 56.Qf7) 1-0. Zobbie (2540) - Efimka (2525), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 b6 7.g3 Bb7 8.Bg2 Nbd7 9.0-0 c5 10.Re1 Qc7 11.c4 Rac8 12.e4 e6 13.b5 Rfe8 14.a4 Rcd8 15.a5 d5 16.e5 Ng4 17.h3 Nge5 18.Ne5 Ne5 19.ab6 ab6 20.Ra7 Nd3 21.Bg7 Kg7 22.Qa1 f6 23.Re3 Nb4 24.Nf3 Nc2 25.Qb2 Ne3 26.fe3 Ra8 27.Rb7 Qb7 28.Ng5 Qd7 29.h4 h6 30.Nh3 Rad8 31.Nf4 e5 32.Nd5 Qf7 33.h5 Rd5 34.Bd5 Qe7 35.Qc2 Rd8 36.Qg6 Kh8 37.Qh6 Qh7 38.Qf6 Qg7 39.Qd8 Kh7 40.Qh4 Qh6 41.Be4 Kg7 42.Qe7 Kg8 43.Bd5 Kh8 44.Qe8 Kh7 45.Qg8 1-0. Zobbie (2555) - nobitski (2515), Rated bullet game, lichess.org, 2022.

6.Ngf3 c6 7.g3 Nbd7 8.Bg2 e5 9.0-0 Qe7 10.e4 a5 11.Re1 ab4 12.ab4 Ra1 13.Qa1 Nb6 14.Nb3 (14.Qa5!? Nbd7 15.d4=) 14...Be6=+ 15.Na5 Ra8 16.Ng5 Bg4 17.h3 Bc8 18.Qc1 c5 19.c3 (19.bc5 dc5 20.Qa1 c4=+) 19...h6 20.Nf3 Nfd7 (20...Na4=+) 21.Nc4 (better 21.Qd2!?=) 21...Nc4-/+ 22.dc4 b6 (22...Nb6!?-/+) 23.b5 Bb7 24.Qc2 Bf8 25.Ra1 Nf6 26.Nd2 Qe8 27.Nf1 (better 27.Ra8 Qa8 28.Qd3=) 27...Ra1-/+ 28.Ba1 Qa8 29.Bb2 Be4 30.Be4 Qe4 31.Qe4 Ne4 32.Ne3 Nd2 33.Bc1 Nb3 34.Bb2 h5 (34...Na5 35.g4-+) 35.Kf1? (better 35.Nd5=) 35...Bh6-+ 36.Nd5 Na5?? (better 36...Nd2 37.Ke2 Nc4-+) 37.Nb6= f5 38.Ke2 e4 39.Kd1 (39.f3 Kf7=) 39...Kf7 40.Bc1 Bg7 41.Bd2 Ke6 42.Kc2 (42.Ke2 Bf6 43.Nd5 Bd8=+ (worse 43...Nc4 44.b6 Na5 45.c4=+)) 42...Bf6 43.g4? (better 43.Nd5=+) 43...fg4-+ 44.hg4 h4 45.Bf4 Bd8 46.Nd5? (better 46.Na4-+) 46...Nc4 47.Ne3 Nb6 (47...Na3!? 48.Kb3 Nb5 49.Kc4-+) 48.c4 (48.Nf1 h3-+) 48...d5 49.cd5 Nd5 50.Bh2 (50.Nd5 Kd5 51.Kd1 c4-+) 50...Ne3 51.fe3 g5 52.Kb3 Bb6 (better 52...Kd5-+) 53.Kc4 Ba7 54.Bc7 Bb8?? (better 54...h3-+) 55.b6 (better 55.Bb8 Kd7 56.Kc5+-) 55...Bc7-+ 56.bc7 Kd7 57.Kc5 Kc8 58.Kd4 h3 (58...Kc7?! 59.Ke4 Kd6 60.Kf3-/+) 59.Ke4 h2 60.Kf3 (60.Kf5-+) 60...h1Q 61.Kf2 Qg1 (better 61...Qc6-+) 62.Ke2?? (62.Kg1 Kc7 63.Kf2+-) 62...Qh1 63.Kd3 (63.Kd3 Qd1 64.Kc3 Qg4 65.Kd3 Qd1 66.Kc4 g4 67.Kc3 g3 68.Kc4 g2 69.Kc5 g1Q 70.Kb4 Qd3 71.Ka5 Qgb1 72.e4 Qbb5). Zobbie (2585) - ZibbitVideos (2550), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 c6 7.g3 e5 8.Bg2 Qe7 9.e4 Bg4 10.0-0 Bf3 11.Bf3 Nbd7 12.Re1 a5 13.c3 ab4 14.ab4 Ra1 15.Qa1 Nb6 16.Qa7 Qc7 17.Qa2 Ra8 18.Qb3 Nbd7 19.Nc4 h5 20.Ne3 Qb6 21.Ra1 Ra6 22.Ra6 Qa6 23.Qa3 Qa3 24.Ba3 Nb6 25.Be2 Kf8 26.Bc1 Ke7 27.Nc2 Na4 28.Bd2 Nd7 29.Kf1 f5 30.f3 f4 31.Kf2 fg3 32.hg3 Nb8 33.Ne3 Na6 34.Nc4 Nc7 35.Na5 Nb5 36.c4 Nd4 37.Nb7 Nb3 38.Be3 Kd7 39.Na5 Nd4 40.Bf1 Nc3 41.Bh3 Kc7 42.Bd2 Na2 43.f4 Kb6 44.f5 gf5 45.ef5 c5 46.bc5 dc5 47.Bg2 Bf6 48.Be4 h4 49.gh4 Bh4 50.Kg2 Bg5 51.Kh3 Bd2 52.f6 Bb4 53.f7 Ka5 54.f8Q Ne6 55.Qb8 Nd4 56.Qa8 Kb6 57.Qd5 Ka5 58.Qd6 Ka4 0-1. Zobbie (2575) - antetokwombo (2505), Rated bullet game, lichess.org, 2021.

6.Ngf3 Nc6 7.g3 e5 8.Bg2 Ne8 9.0-0 f5 10.e3 f4 11.ef4 ef4 12.Bg7 Ng7 13.Re1 fg3 14.hg3 Qf6 15.Ne4 Qd8 16.c3 Bg4 17.Qb3 Kh8 18.Nfg5 Ne5 19.d4 Nf3 20.Nf3 Bf3 21.Bf3 Rf3 22.Kg2 Qf8 23.Rf1 Re8 24.Ng5 Rf5 25.f4 Nh5 26.Rae1 Re1 27.Re1 Nf4 28.gf4 Rf4 29.Qc2 Rg4 30.Kh3 Rg5 31.Qe4 Qh6 32.Qh4 Rh5 33.Re8 Kg7 34.Re7 Kf8 35.Re4 Rh4 36.Rh4 Qe3 37.Kg2 h5 38.Rh3 Qh3 39.Kh3 Kf7 40.Kh4 Kf6 41.c4 Kf5 42.c5 Ke4 43.Kg5 Kd4 44.cd6 cd6 45.Kg6 h4 46.Kf6 h3 47.Ke6 h2 48.Kd6 h1Q 49.Kc7 Qc6 50.Kb8 a5 51.Ka7 Qa6 52.Kb8 ab4 53.ab4 b5 54.Kc7 Kd5 0-1. Zobbie (2585) - ChickpeaPuffs (2500), Rated bullet game, lichess.org, 2019.

6.Ngf3 Bd7 7.e3 c5 8.c4 b5 9.Qc2 bc4 10.dc4 cb4 11.ab4 a5 12.Be2 Nc6 13.b5 Nb4 14.Qc3 a4?? (better is 14...Qb6=) 15.0-0 (better is 15.Qb4 Qa5 16.Qa5 Ra5 17.Ra3+-) 15...Qb6? (better is 15...Qa5+-) 16.Qb4 1–0. Gruen,Angus – Adler,David, Doeberl Cup Minor, 2009.

6.Ngf3 Re8 7.g3 e5 8.e4 Nc6 9.Bg2 Bg4 10.0-0 Qd7 11.Re1 Bh3 12.Bh1 h6 13.c3 Rad8 14.Qc2 d5 15.Rad1 Nh7 16.Nb3 de4 17.de4 Qc8 18.b5 Nb8 19.c4 Bg4 20.c5 c6 21.a4 cb5 22.ab5 a6 23.ba6 Na6 24.Rd8 Qd8 25.Bg2 Nb4 26.Qc4 Nd3 27.Rd1 Nb2 28.Rd8 Rd8 29.Qc3 Rd1 30.Bf1 Bh3 31.Nbd2 f5 32.Qb2 fe4 33.Qb3 Kh8 34.Qd1 ef3 35.Qf3 Bf5 36.Ne4 Nf6 37.Nf6 Bf6 38.Qb7 e4 39.c6 Bg7 40.c7 Be5 41.c8Q Bc8 42.Qc8 Kg7 43.Qd7 Kf6 44.Qc6 Kf5 45.Qd5 h5 46.Bg2 Kg5 47.Be4 Kf6 48.f4 Bc3 49.Qg5 Ke6 50.Qg6 Kd7 51.Qh5 Bb4 52.Qd5 Kc7 53.Qc6 Kb8 54.Qb7 1-0. Zobbie (2565) - nickspyro13 (2515), Rated bullet game, lichess.org, 2023.

6.Ngf3 Re8 7.g3 e5 8.Bg2 e4 (8...a5 9.0-0=) 9.de4+= Ne4 10.Bg7 Kg7 11.Ne4 Re4 12.0-0 Nc6 13.Qd3 Re8 14.h3 Bf5 15.Qc3 Qf6 16.Qb3 (16.Qf6 Kf6 17.b5 Na5=) 16...Be6 (16...Re2 17.b5 Nd8-/+ (worse 17...Bc2 18.Qc4 Rae8 19.bc6+/-)) 17.Qd3= Bf5 18.Qb3 (18.Qd2 Be4=) 18...Qe6 (18...Re2 19.b5 Nd8-/+ (worse 19...Bc2 20.Qc4 Rae8 21.bc6+/-)) 19.Qe6 Re6 (19...Be6 20.Rfd1=) 20.e3 (20.b5 Na5 21.g4 Bc2+/-) 20...Bc2 (better 20...a6=) 21.Rac1?? (21.b5 Ne5 22.Nd4 Ba4 23.Ne6 fe6+-) 21...Be4 (better 21...Ba4=+) 22.Ng5 Bg2 23.Ne6 fe6 24.Kg2 e5? (better 24...a6+/-) 25.b5+- Na5 26.Rc7 Kh6 (26...Kf6 27.Rd1 Rd8 28.Rh7+-) 27.Rd1 Rd8 28.f4 e4 (28...ef4 29.ef4 Nb3 30.Rd3+-) 29.g4 g5 30.f5 d5 31.Re7 (31.Kg3 Nb3 32.h4 Nc5 33.Rc5 gh4 34.Kh4 Kg7+-) 31...Nc4 32.Kf2 Nb6 (32...b6+-) 33.Rc1 (worse 33.Rb7 Nc4+-) 33...d4 (33...Rd7 34.Rd7 Nd7+-) 34.Rcc7 Rh8 (34...de3 35.Ke2 Rd2 36.Ke3 Rd3 37.Ke4 Rd7 38.Red7 Nd7 39.Rd7 b6 40.h4 a5 41.ba6 b5 42.a7 b4 43.a8Q gh4 44.Qc6 Kg5 45.Rg7) 35.Rb7 (35.Re6) 35...d3 (35...Nd7 36.Rbd7 de3 37.Ke3 Rf8 38.Rh7) 36.Re6 1-0. Zobbie (2570) - Gleb_Galkin (2620), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.g3 b6 7.Bg2 c6 8.Ngf3 Bb7 9.0-0 c5 10.c3 Nbd7 11.Nb3 Re8 12.e4 e5 13.Re1 d5 14.ed5 Nd5 15.c4 Nc7 16.bc5 Bf3 (better is 16...bc5!? 17.Na5 Rb8 18.Nb7 Rb7=) 17.Bf3+/- (17.Qf3?! e4 18.Qe2 ed3=) 17...Rc8 18.cb6 ab6 19.Qc2 Ne6 20.Re2 Nd4 21.Nd4 ed4 22.Rae1 Re2 23.Re2 Ne5 24.Bd5 Rc5 25.Bd4 Rd5= 26.cd5? Qd5?? 27.Be5 Be5 28.Qc4 Qd6 29.a4 Bd4 30.Re4 Bc5 31.d4 Bb4 32.d5 f5 33.Re6 Qd7 34.Qb4 Qd5 35.Re8 Kg7 36.Qe7 Kh6 37.Qe3 Kg7 38.Re7 Kf8 39.h4 Qd1 40.Kg2 Qd5 41.Qf3 Qf3= 42.Kf3 Ke7. golfx – lukiwda1000, kurnik, 2012.

6.g3 c5 7.c3 cb4 8.cb4 Nc6 9.Bg2 Bd7 10.Ngf3 a5 11.b5 Ne5 (11...Nb8!? 12.Rb1 a4=) 12.Ne5+/- de5 13.Bb7 (better is 13.Be5!? Rc8 14.a4+/-) 13...Rb8= 14.Ba6 Bb5 15.Bb5 Rb5 16.Rb1 Qb6 17.Qc2 Rb8 18.Nc4 Qc6 (18...Qb7!? 19.0-0 e4 20.de4 Qe4=+) 19.0-0= Nd5 20.Rfc1 Qb7 (20...Qe6!?=) 21.a4+/- Rb4 22.Na3?? Rb2-/+ 23.Rb2 Qb2 24.Nc4?? Qc2-+ 25.Rc2 Rc8 26.Rb2 e4! 27.Rb5 Nc3 28.Kf1 ed3 29.ed3 Nb5 30.ab5 Rb8 31.b6 Bd4 32.Na5 Bb6 33.Nc6 Rb7 34.d4 Rd7 35.d5 Kf8 36.f4 Rd5 37.Ne5 Re5! 38.fe5 Bd4 39.e6 fe6 40.Ke2 Kf7 41.Kf3 e5 42.Kg4 Kf6 43.h4 h5 44.Kf3 Kf5 45.Ke2 Kg4 46.Kd3 Kg3 47.Ke4 Kh4 48.Kd5 Kg5 49.Ke6 e4 50.Ke7 e3 51.Kd6 e2 52.Kd5 Bg1 53.Ke4 e1Q 54.Kf3 Qe3 55.Kg2 Qf2 56.Kh3 Qf3# 0–1. golfx – lamoruk, kurnik, 2012.

6.g3 c5 7.c3 Nc6 8.Bg2 Bd7 9.Ngf3 e6 10.0-0 d5 11.bc5 b6 12.cb6 Qb6 13.Qb3 (13.Rb1 Qc5+/-) 13...Qc7 (better is 13...Qb3 14.Nb3 Rfb8=+) 14.c4+/- Rab8 15.Qc3 Ne8 16.d4 dc4 17.Nc4 Nd6 18.Nd6 Qd6 19.Ne5 Rb2 20.Qb2 (20.Nc6?! Re2 21.Ne5 Be5 22.de5 Qe5 (22...Re5? 23.Rfd1 Rd5 24.Bd5 ed5 25.Qa5+-) 23.Qe5 Re5=+) 20...Nd4 21.Nd7 Qd7?? 22.Rad1+/- Qa4 23.Qb4 Ne2 24.Kh1 Qc2?? 25.Rfe1 Nc3+/- 26.Rc1 Qf2= 27.Rf1 Qe3 28.Rce1 Qg5 29.Re6? fe6-/+ 30.Rf8 Bf8 31.Qc3 Bg7 32.Qc2 Qa5 33.Qe4 Qa3 34.Qe6 Kh8 35.Qe8 Bf8 36.h4 Qc1 37.Kh2 Qh6 38.Qb8 g5 39.Qa7. golfx – lukiwda1000, kurnik, 2012.

6.g3 Nc6 7.Bg2 e6 8.Ngf3 Bd7 9.0-0 Re8 10.e4 (10.c4!?=) 10...Ne4=+ 11.Bg7 Nd2 12.Qd2 Kg7 13.c4 a6 14.d4 Ne7 15.d5 e5 16.Rac1 Bg4 17.Rfe1 Bf3 18.Bf3 Nf5 19.c5 Nd4 20.Bg2? (20.Qe3 a5-/+) 20...f5 21.f4? Nb3-+ 22.Qc3 Nc1 23.Rc1 Qf6 24.fe5 Qe5 25.cd6 Qc3 26.Rc3 cd6 27.Rc7 Kg8 28.Rb7 h6 29.Rb6-/+ Red8 30.Bf1 a5 31.Ra6? Ra6-+ 32.Ba6 ab4 33.ab4 Rb8 34.b5 Kf7 35.Kf2 Kf6 36.Ke3 Ke5 37.h4 Kd5 38.Kf4 Kc5 39.g4 fg4 40.Kg4 d5 41.Kf4 d4 42.Ke4 g5 43.hg5 hg5 44.Kf5 d3 45.b6 d2 46.Be2 Rb6 47.Kg5 Rd6 48.Kf4 d1Q 49.Bd1 Rd1 50.Ke3 Kc4 51.Ke2 Rd7 52.Ke3 Rd8 53.Ke2 Kc3 54.Ke1 Kc2 55.Ke2 Re8 56.Kf3-+ Kd2 57.Kf4 Kd3 58.Kf5 Kd4 59.Kf6 Kd5 60.Kf7 Re2 61.Kf8 Kd6 62.Kf7 Re3 63.Kf8 Kd7 64.Kf7 Rf3 65.Kg7 Ke6 66.Kg8 Ke7 67.Kg7 Rg3 68.Kh6 Kf7 69.Kh5-+ Rg8 70.Kh6 Rg2 71.Kh5 Kf6 72.Kh4 Kf5 73.Kh3 Rg7 74.Kh4 Rg8 75.Kh3 Kf4 76.Kh2 Kf3 77.Kh1 Kf2 78.Kh2 Rh8# 0–1. golfx – adasg, kurnik, 2012.

6.g3 Nc6 7.Bg2 e6 8.Ngf3 Re8 9.0-0 Bd7 10.e4 (10.c4!?=) 10...Ne4=+ 11.Bg7 Nd2 12.Qd2 Kg7 13.c4 Ne7 14.d4 Nf5 15.d5 (15.Rfe1 Bc6=+) 15...e5 16.c5 Qf6 17.a4 (17.g4 Nh4 18.Nh4 Qh4-/+) 17...a6 (17...e4!? 18.Nh4 Nh4 19.gh4 Qh4 20.Rfe1-+) 18.Qc3 e4 (better is 18...a5-/+) 19.Qf6= Kf6 20.Nd2 e3 21.Ne4 Kg7=+ 22.fe3 Ne3-/+ 23.Rfe1? Nc2-+ 24.Rf1 Na1 25.Ra1 dc5 26.bc5 Bf5 27.Nf2 Rad8 28.d6 cd6 29.cd6 Rd6 30.Bb7 Rb8 31.Ba6 Ra6 32.a5 Rb5 33.Nd1 Rba5 34.Ra5 Ra5 35.Ne3 Ra2 36.Nf5 gf5 37.Kh1 Kg6 38.Kg1 Kg5 39.Kh1 f4 40.Kg1 fg3 41.hg3 Kg4 42.Kh1 Kg3 43.Kg1 Ra1# 0–1. golfx – adasg, kurnik, 2012.

6.g3 Bg4 7.Bg2 c6 8.Ngf3 Bf3 9.Nf3 e6 10.0-0 Nbd7 11.e3 Qc7 12.d4 Rad8 13.c4 Qb8 14.Qb3 d5 15.c5 b5 16.Bc3 a6 17.a4 Qb7 18.ab5 ab5 19.Ra5 Ra8 20.Rfa1 Ra5 21.Ra5 Ra8 22.Qa3 Ra5 23.Qa5 h6 24.Nd2 Kh7 25.Nb3 Qc8 26.Qa7 Qb8 27.Qa6 Ne8? 28.Na5 Nc7 29.Nc6?? Na6-+ 30.Nb8 Nab8 31.e4? Nf6 32.ed5? Nd5-+ 33.Bd5 ed5 34.f4 Nc6 35.Kf2 Bd4 36.Bd4 Nd4 37.Ke3 Nc6 38.Kd3 Kg7 39.g4 Kf6 40.h4 Ke6 41.Kc3 f5 42.g5 hg5 43.hg5 d4 44.Kb3 Kd5 45.Ka3 Ke4 46.Kb3 Kf4 47.Kc2-+ Kg5 48.Kd3 Kf4 49.Ke2 Ke4 50.Kf2 Nb4 51.Ke2 Nc6 52.Kf2 f4 53.Ke2 g5 54.Kf2 g4 55.Ke2 b4 56.Kd2 g3 57.Ke2 b3 58.Kd2 g2 59.Kc1 g1Q 60.Kb2 Qe3 61.Ka3 f3 62.Ka4 f2 63.Kb5 Kd5 64.Kb6 f1Q 65.Kc7 Qf7 66.Kb6 b2 67.Ka6 Qa7 68.Kb5 b1Q# 0–1. golfx – krzyk555, kurnik, 2011.

6.Ngf3 a5

7.g3 ab4 8.ab4 Ra1 9.Qa1 c6 10.Bg2 e5 11.0-0 h6 12.Nc4 Be6 13.Nfd2 Qe7 14.Qa7 Nd5 15.c3 Rd8 16.Na5 b5 17.Qe7 Ne7 18.Ra1 f5 19.Nb7 Rd7 20.Na5 Ra7 21.Rc1 Kf7 22.e4 c5 23.ef5 gf5 24.Ndb3 Bb3 25.Nb3 Ra2 26.Rb1 cb4 27.cb4 Nbc6 28.Nc1 Nb4 29.Na2 Na2 30.Ra1 Nb4 31.Bf1 Nec6 32.Ra8 Nc2 33.Rc8 N2d4 34.Rc7 Kf8 35.Rb7 b4 36.Bg2 b3 37.Bd5 Na5 38.Rf7 Ke8 39.Rg7 Ne2 40.Kf1 Nd4 41.Bd4 Kd8 0-1. Zobbie (2500) - OnPhone (2600), Rated bullet game, lichess.org, 2024.

7.g3 ab4 8.ab4 Ra1 9.Qa1 e5 10.Bg2 c6 11.0-0 Be6 12.Ng5 Re8 13.Ne6 Re6 14.Nc4 Nbd7 15.e4 b5 16.Na5 Qb6 17.c4 bc4 18.Nc4 Qb4 19.Ba3 Qb3 20.Nd6 Bf8 21.Rb1 Qd3 22.Rd1 Qa6 23.Bb4 Qa1 24.Ra1 Bd6 25.Ra8 Kg7 26.Bh3 Bb4 27.Be6 fe6 28.Ra7 c5 29.Kg2 c4 30.Rc7 Bc5 31.f3 c3 32.Ra7 c2 33.Ra1 Ba3 34.Kf1 c1Q 35.Rc1 Bc1 0-1. Zobbie (2555) - El_aula (2505), Rated bullet game, lichess.org, 2021.

7.g3 ab4 8.ab4 Ra1 9.Qa1 e5 10.Bg2 Nc6 11.b5 Ne7 12.0-0 c6 13.bc6 bc6 14.e4 Bd7 15.Nc4 Qc7 16.Qa3 Nc8 17.Ra1 Re8 18.Qa5 Qa5 19.Ra5 d5 20.ed5 cd5 21.Nce5 Bf5 22.Ra8 Nd6 23.Re8 Nfe8 24.Ba3 Nb5 25.Bc5 Nec7 26.Nc6 Ne6 27.Ne7 Kh8 28.Bb4 Bg4 29.Nd5 Bf3 30.Bf3 Nbd4 31.Bd1 Kg8 32.Ne7 Kh8 33.Nd5 Kg8 34.h4 h5 35.Kg2 Be5 36.Ne7 Kg7 37.Nd5 Bd6 38.Bd6 Nf5 39.Be5 Kf8 40.Bf6 Nd6 41.c4 Nf5 42.Ba4 Kg8 43.f3 Kh7 44.g4 Nfg7 45.Bg7 Kg7 46.g5 f5 47.Nf6 f4 48.Bd7 Nd4 49.Bh3 Kf7 50.c5 Nc6 51.Bd7 Ne5 52.c6 Ke7 53.c7 Nd7 0-1. Zobbie (2505) - TroyOunce (2560), Rated bullet game, lichess.org, 2022.

7.g3 Nbd7 8.Bg2 b6 9.0-0 Bb7 10.c4 e5 11.Qc2 Re8 12.e4 Nf8 13.Rfe1 Bc8 14.d4 ed4 15.Nd4 Bb7? (better 15...ab4 16.e5 ba3 17.Ba8 ab2 18.Qb2 Re5=) 16.e5+- de5 17.Bb7 ed4 18.Ba8 Qa8 19.Bd4 Ne6 20.Qc3?? (20.Bf6 Bf6 21.Rad1 Ng5 22.Re8 Qe8+-) 20...Ng5?? (better 20...Nd4 21.Qd4 Nh5-/+) 21.Bf6?? (better 21.Re8 Ne8 22.Bg7 Ng7 23.f3+-) 21...Nh3 22.Kf1 Qh1 0-1. Zobbie (2580) - YashD2002 (2550), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 e5 8.Bg2 Be6 9.e4 Qd7 10.Ng5 Bg4 11.f3 Be6 12.Ne6 fe6 13.0-0 Nh5 14.Nc4 a4 15.Ne3 Nc6 16.c3 b5 17.Qe2 Rf7 18.Kh1 Raf8 19.Rf2 Ne7 20.c4 c6 21.Rc1 Bh6 22.Rc2 Kh8 23.cb5 cb5 24.d4 ed4 25.Bd4 e5 26.Bb2 Bg7 27.Rd2 Qe6 28.Qd1 Rc8 29.Rd6 Qb3 30.Qb3 ab3 31.Rd3 Nc6 32.Rb3 Nd4 33.Rd3 Nf6 34.Bh3 Rd8 35.Kg2 g5 36.Bf5 Rc7 37.Ng4 Ng4 38.fg4 h6 39.h4 gh4 40.gh4 Bf6 41.Kh3 Kg7 42.g5 hg5 43.hg5 Bg5 44.Rg2 Kf6 45.Rd4 Rh8 46.Kg4 Rh4 47.Kf3 Rf4 48.Ke2 ed4 49.Bd4 Ke7 50.Rg5 Rc4 51.Rg7 Kf8 52.Ra7 Rd4 53.Ke3 Rde4 54.Be4 Rf7 0-1. Zobbie (2580) - GildardoGarcia (2515), Rated bullet game, lichess.org, 2024.

6.Ngf3 c5

7.g3 cb4 8.ab4 a6 9.Bg2 b5 10.Nb3 Bb7 11.Na5 Bf3 12.Bf3 Ra7 13.0-0 Nbd7 14.Nc6 Qc7 15.Ne7 Kh8 16.Nc6 Raa8 17.c4 Nb6 18.Qb3 Nfd7 19.Bg7 Kg7 20.Qb2 f6 21.Nd4 Rae8 22.Ra6 bc4 23.Nb5 Qb8 24.Qd4 cd3 25.ed3 Re6 26.Ra7 Rf7 27.Rd1 h5 28.Rda1 Nc8 29.R7a5 Re5 30.Bc6 Ndb6 31.Kg2 d5 32.Bd5 Rd5 33.Qf4 Qb7 34.Qf3 Rdd7 35.Ra7 Qf3 36.Kf3 Ra7 37.Na7 Ra7 38.Rc1 Rc7 39.Rc7 Kh6 40.Rc6 g5 0-1. Zobbie (2535) - chessninja48 (2575), Rated bullet game, lichess.org, 2021.

7.g3 cb4 8.ab4 Nc6 9.b5 Ne5 10.Ne5 de5 11.Be5 Qd5 12.Nf3 Bg4 13.c4 Qc5 14.Bd4 Qb4 15.Qd2 a5 16.Bg2 Rfd8 17.Bc3 Qc5 18.0-0 h5 19.h3 Be6 20.Qb2 Kh7 21.Bd4 Qc7 22.b6 Qd7 23.Bc3 Bh3 24.Ne5 Qf5 25.Nf7 Bg2 26.Kg2 Rf8 27.e4 Ne4 28.Bg7 Rf7 29.de4 Qe4 30.f3 Qc4 31.Bc3 Rc8 32.Rac1 Qa4 33.Be5 Rd8 34.Qc2 Qb4 35.Rcd1 Rd1 36.Rd1 h4 37.Qe4 Qe4 38.fe4 hg3 39.Kg3 g5 40.Rd3 Kg6 41.Rf3 e6 42.Rf7 Kf7 43.Kg4 a4 44.Kg5 Ke7 45.Ba1 Kd6 46.Kf4 e5 47.Kf5 a3 48.Kf6 Kc5 49.Ke5 Kb6 50.Kd4 Kc6 51.Kc4 Kb6 52.Kb4 Kc6 53.Ka3 Kd6 54.Kb3 Ke6 0-1. Zobbie (2525) - ajuh2 (2540), Rated bullet game, lichess.org, 2024.

7.g3 cb4 8.ab4 Nc6 9.Bg2 Nb4 10.0-0 Nc6 11.c4 a6 12.Qb1 Rb8 13.Rc1 Bg4 14.h3 Bf3 15.Bf3 Qd7 16.Kh2 h5 17.Bc3 Bh6 18.Qb2 e5 19.Rcb1 Ne8 20.Nf1 f5 21.Ne3 Nf6 22.Nd5 Kg7 23.Nb6 Qc7 24.Nd5 Qd7 25.Nb6 Qf7 26.Nd5 Kh7 27.Rg1 g5 28.Qb6 g4 29.Bg2 gh3 30.Bh3 Nd5 31.cd5 Qd5 32.Bf5 Rf5 33.e4 Qd3 34.ef5 Qc3 35.Qc7 Kh8 36.Qd6 Qd4 37.Qh6 Kg8 38.Qg5 Kf7 39.Qg6 Ke7 40.f6 Ke6 41.Rad1 Qf2 42.Rg2 Qf6 43.Qe4 Qf5 44.Rd6 Kd6 45.Qf5 Rf8 46.Qf8 Ne7 47.Rd2 Ke6 48.Qe8 Kf6 49.Rd7 Nf5 50.Qf8 Kg5 51.Qf7 Ng7 0-1. Zobbie (2545) - Pickle0 (2530), Rated bullet game, lichess.org, 2024.

7.g3 b6 8.Bg2 Bb7 9.0-0 Nbd7 10.c4 e6 11.Re1 Qe7 12.Qc2 Rfd8 13.Rac1 Rac8 14.Qb1 d5 15.e3 cb4 16.ab4 Qb4 17.cd5 Nd5 18.Bg7 Qb1 19.Rb1 Kg7 20.Ra1 a5 21.Nc4 Ba6 22.Nd6 Rc6 23.Nf7 Kf7 24.Nd4 Rc3 25.e4 Nb4 26.Bh3 Nc5 27.Ne6 Ne6 28.d4 Nd4 29.e5 Nf3 0-1. Zobbie (2530) - The_ChessTeacher (2520), Rated bullet game, lichess.org, 2021.

6.Ngf3 Nbd7

7.g3 a5 8.Bg2 ab4 9.ab4 Ra1 10.Qa1 e5 11.0-0 Ne8 12.c4 c6 13.b5 f6 14.bc6 bc6 15.Ne1 Qe7 16.Bc6 Nc7 17.Nc2 Nc5 18.Ne3 Be6 19.Nd5 Bd5 20.cd5 Rb8 21.Rb1 Bf8 22.Ba3 Qd8 23.Bc5 dc5 24.Ne4 Rb1 25.Qb1 Nd5 26.Bd5 Qd5 27.Nf6 1-0. Zobbie (2605) - MonsterTruck2020 (2540), Rated bullet game, lichess.org, 2023.

7.g3 b6 8.Bg2 Bb7 9.0-0 c5 10.e4 e5 11.Re1 a5 12.b5 a4 13.Nc4 Qc7 14.Bc3 Rfe8 15.Rb1 Nf8 16.Bd2 Ne6 17.c3 Nd7 18.Ne3 Nf6 19.Nc4 Nf8 20.h4 N8d7 21.Ng5 h6 22.Nh3 d5 23.ed5 Bd5 24.Bd5 Nd5 25.Qf3 Ne7 26.h5 Rf8 27.Kg2 Ra7 28.Re2 g5 29.Rbe1 f5 30.g4 e4 31.de4 f4 32.e5 Qb7 33.Qb7 Rb7 34.Ng1 Nd5 35.Nf3 Re8 36.e6 Nf8 37.Nce5 Re6 38.c4 Nf6 39.Ng6 Re2 40.Re2 Ng4 41.Re8 Kf7 42.Rc8 Ng6 43.hg6 Kg6 44.Rc6 Kf5 45.Ne1 Ne5 46.f3 Nc6 47.bc6 Rc7 0-1. Zobbie (2525) - YoNoMateAMiHijo (2580), Rated bullet game, lichess.org, 2020.

7.g3 c5 8.Bg2 Rb8 9.0-0 a6 10.Re1 b5 11.e4 Bb7 12.c4 Ng4 (12...Bc8 13.e5 de5 14.Ne5=) 13.Bg7+= Kg7 14.Rc1 (14.d4 bc4 15.Nc4 cb4 16.ab4 d5 17.ed5 Bd5+=) 14...Qb6 15.h3 Nge5 16.Ne5 Ne5 17.Nb3 (17.Qb3!?=) 17...cb4 18.ab4 (18.cb5 ba3 19.d4 Nd7=+ (worse 19...ab5 20.de5 de5 21.Rc5+=)) 18...bc4-/+ 19.dc4 Qb4 20.Rb1 Ba8 21.Nd2 Qc5 22.Rb8 Rb8 23.Qa1 Kg8 (23...Bc6 24.Nf3-/+) 24.Bf1 (24.Qa6 Bc6 25.Qa1 Ra8-/+) 24...a5 25.Re3 Bc6 (25...f5 26.Ra3 Be4 27.Ra5-/+) 26.Qc3? (better 26.Nb3 Qb4 27.Na5-/+) 26...a4-+ 27.f4? (27.Bg2 Qb4-+) 27...Nd7 (27...Nf3 28.Kf2 Nd2 29.Qd2-+) 28.Qa3? (better 28.Bg2-+) 28...Qa3 29.Ra3 Nc5 (29...Rb2 30.Nf3 Be4 31.Nd4-+) 30.Bg2 (30.Ra2 Be4 31.Ne4 Ne4 32.Ra4 Ng3-+) 30...Nb3 (30...Rb2!? 31.Nf1-+) 31.Nf3 (31.Nf1-+) 31...Be4 (better 31...Rb4 32.e5-+) 32.Ng5?? (better 32.Ra4 Kf8 33.Ng5-/+) 32...Bg2-+ 33.Kg2 Nc5 34.h4 (34.Re3 Rb2 35.Kf1-+) 34...Rb2 35.Kh3 (35.Kf1 Rb3 36.Ra2 h6-+) 35...h6 (better 35...Rb3 36.Ra2 h6 37.Re2 hg5 38.hg5-+) 36.Nf3 Rb3 37.Rb3 ab3 (37...Nb3 38.Ne1 Nd2 39.c5 dc5 40.Nc2-+) 38.Nd2 b2 39.Kg2 Ne4! 40.Nb1 (40.Ne4 b1Q Decoy) 40...e6 (40...f5!? 41.Kf3-+) 41.Kf3 d5 42.cd5 ed5 43.g4 f5 44.Ke3 (44.gf5 gf5 45.Ke3 Kf7-+) 44...Kf7 (better 44...fg4 45.h5 g3-+) 45.gf5 gf5 46.Kd4 Ke6 47.Na3 (47.Kd3 Nf6-+) 47...Nd6 (better 47...Nd2 48.Kc3 b1Q 49.Nb1 Nb1 50.Kd3-+) 48.Nb1 Nb5 49.Ke3 (49.Kc5 Nc7 50.Na3-+) 49...Nd6 (better 49...d4 50.Kf3 Nc3-+) 50.Kd4= Nc4 0-1. Zobbie (2610) - J3742 (2620), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 Re8 8.Bg2 e5 9.e4 h5 10.0-0 Nf8 11.Re1 N8h7 12.c3 Bg4 13.h3 Be6 14.Ng5 Ng5 15.h4 Nh3 16.Kf1 Qd7 17.Nf3 Bg4 18.Qc2 Bf3 19.Bf3 g5 20.hg5 Ng5 21.Bg2 Qg4 22.Bc1 h4 23.Qe2 Qe2 24.Re2 Ne6 25.gh4 Nh5 26.Bf3 Nhf4 27.Rd2 Bf6 28.h5 Kf8 29.Rd1 Ng5 30.Ke1 Nf3 31.Kf1 Bg5 32.Be3 Ke7 33.d4 Rg8 34.de5 Ne5 35.Rd5 Nd5 36.ed5 Be3 37.fe3 Rg3 38.Ke2 Rag8 39.e4 Rg2 40.Ke3 R8g3 41.Kd4 Rd3 0-1. Zobbie (2535) - Artemomsk (2520), Rated bullet game, lichess.org, 2021.

7.g3 e5

8.e4 Re8 9.Bg2 a5 10.0-0 Nf8 11.Nc4 h5 (better 11...a4!?=) 12.Na5+/- N6h7 13.c4 Bf6 14.h4 g5 (14...Qe7!?+/-) 15.hg5+- Bg5 16.Ng5 (16.d4!? Ng6+-) 16...Qg5+/- 17.Bc1 Qg6 18.Qf3 b6 19.Nc6 Bg4 20.Qe3 Ne6? (20...Bd7 21.b5+/-) 21.Bd2 (21.f3!? Bh3 22.Bh3 Qg3 23.Bg2 Nf4+-) 21...Kh8 (21...h4!?+/-) 22.f4+- ef4 23.gf4 f5 24.Bc3 Kg8 25.e5 Rac8 26.Kh2 Nef8? (26...de5 27.Ne5 Qf6+-) 27.Bd5 Ne6 28.ed6 cd6 29.Rae1 (29.Nd4 Nhf8 30.Rfe1 Qh6 31.Ne6 Ne6 32.Be6 Kf8+-) 29...Nhf8 (29...Kf8 30.Qb6 Nf4 31.Re8 Re8 32.Rf4+-) 30.Nd4 Kf7 31.Ne6 Ne6 (31...Re6 32.Qb6 Rce8+-) 32.Qd4 (better 32.Qb6 Ra8 33.Be6 Re6 34.Qb7 Kf8 35.Re6 Qe6 36.Qa8 Qe8 37.Qe8 Ke8 38.Re1 Kd7 39.a4+-) 32...Re7 (32...Rb8 33.Re3 Re7 34.Rfe1+-) 33.Re3 Rce8 34.Rfe1 (worse 34.Qb6 h4+-) 34...h4 (34...Qh6 35.c5 (35.Qb6?! Qf4 36.Kg2 Bd1+-) 35...bc5 36.bc5 dc5 37.Re6 Re6 38.Be6 (38.Re6?! cd4 39.Rh6 Kg7+/-) 38...Re6 39.Qd7 Kg8 40.Qe6 (40.Re6?! Qf4 41.Kg2 Qf3 42.Kg1 Qg3 43.Kf1 Qf4 44.Ke1 Qc1 45.Kf2 Qf4 46.Ke1 Qc1 47.Kf2 Qf4 48.Ke1=) 40...Qe6 41.Re6+-) 35.a4 (better 35.Qb6 Bh5 36.Qd6 Kg8+-) 35...Kf8 (35...b5 36.c5 (worse 36.ab5 Bh5+-) 36...Kf8 37.Qf6 Qf6 38.Bf6+-) 36.Qh8 (better 36.Qf6 Qf6 37.Bf6+-) 36...Qg8 (36...Kf7 37.Re6 Re6 38.Qe8 Ke8 39.Re6 Qe6 40.Be6 Ke7+-) 37.Qh4 (37.Qh6 Qg7 38.Bg7 Rg7 39.Re6 Re6 40.Qe6 Be2 41.Qf6 Ke8 42.Bc6 Rd7 43.Re2) 37...Rh7= 38.Qh7 (better 38.Rh3 Bh3 39.Qf6 Qf7 40.Re6 (40.Be6? Qf6 41.Bf6 Bg4 42.Kg3 Rh6-/+) 40...Re6 41.Qe6 (worse 41.Be6 Qf6 42.Bf6 Bg4 43.Kg3 Rh6-+) 41...Bf1 42.Kg3 Qe6 43.Be6 Bd3 44.Bd4-/+) 38...Qh7-/+ 39.Kg2?? (better 39.Kg1 Nc7 40.Re8 Ne8 41.Bd4-+) 39...Qh4 (better 39...Nf4 40.Kg1 Re3 41.Re3 Qg6-+) 40.Re6= (40.Be6 Re6 41.Re6 Qh3 42.Kf2 Qf3 43.Kg1 Qg3 44.Kf1 Qd3 45.Kf2 Qf3 (45...Qc3?! 46.Re8 Kf7 47.R8e7 Kg8 48.Re8 Kh7 49.R8e7 Kh8 50.Re8 Kg7 51.R8e7 Kf8 52.Re8 Kf7 53.R8e7 Kf8 54.Re8=) 46.Kg1 Qg3 (46...Qc3?! 47.Re8 Kf7 48.R8e7 Kg8 49.Re8 Kg7 50.R8e7 Kh8 51.Re8 Kh7 52.R8e7 Kg8 53.Re8 Kf7 54.R8e7 Kf8 55.Re8 Kf7=) 47.Kf1 Qf4 (47...Qc3?! 48.Re8 Kf7 49.R8e7 Kg8 50.Re8 Kg7 51.R8e7 Kh8 52.Re8 Kh7 53.R8e7 Kg8 54.Re8 Kf7 55.R8e7 Kf8 56.Re8 Kf7=) 48.Kg1 Qg3 49.Kf1 Bh3 50.Ke2 Qc3-+) 40...Re6 41.Re6 (41.Be6?? Qh3 42.Kf2 Qf3 43.Kg1 Qg3 44.Kf1 Qf4 45.Kg1 Qg3 46.Kf1 Qd3 47.Kg1 Qc3-+) 41...Bh5 42.Rf6 Qf6?? (better 42...Ke7 43.Re6 Kd7=) 43.Bf6+- Bg4 44.Bd4 Ke8 45.Bb6 Kf8 46.a5 Bh5 47.a6 Bg4 48.a7 Be2 (48...Ke7 49.a8Q Bf3 50.Kf3 Kf6 51.Qg8 Ke7 52.Qf7) 49.a8Q Kg7 50.Qb7 (50.Bd4 Kh7 51.Qh8 Kg6 52.Qf6 Kh5 53.Qg5) 50...Kh6 51.Qe7 (51.Bg8 Bf3 52.Kf3 Kg6 53.Qf7 Kh6 54.Qh7) 51...Kh5 (51...Bf1 52.Kf1 Kg6 53.Bg8 Kh5 54.Qg5) 52.Qf6 (52.Qg5) 52...Kg4 (52...Bf1 53.Kg3 Bd3 54.Qg5) 53.Qg5 1-0. Zobbie (2565) - S_O_L_A_N_A (2550), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 a5 9.0-0 Nb6 10.c4 Na4?? (betterab4 11.ab4 Ra1 12.Qa1 Re8=) 11.Qa4+- 1-0. Zobbie (2700) - Kirill0415 (2600), Casual bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 a5 9.e4 ab4 10.ab4 Ra1 11.Qa1 h6 12.0-0 Re8 13.Re1 Nb6 14.Nb3 Be6 15.Na5 Qc8 16.c4 Nbd7 17.d4 ed4 18.Nd4 Ne5 19.Ne6 Re6 20.Bh3 Nd3 21.Be6 Qe6 22.Re3 Nb2 23.Qb2 Ng4 24.Qe2 Ne3 25.Qe3 b6 26.Nc6 Qc4 27.Ne7 Kf8 28.Nd5 Kg8 29.h4 Kh7 30.Qf3 Kg8 31.Kg2 Qd4 32.Nc7 Qb4 33.Nd5 Qd4 34.Qa3 Qc5 35.Qa8 Kh7 36.Qe8 Qd4 37.Qf7 Qe4 38.Qf3 Qf3 39.Kf3 b5 40.Ke4 Be5 41.f4 Bg7 42.Kd3 g5 43.hg5 hg5 44.f5 Be5 45.g4 Kg7 46.Nc7 Kf6 47.Nb5 Bg3 48.Ke4 Be5 49.Nc7 Bf4 50.Nd5 Kf7 51.Nf4 gf4 52.Kf4 Kf6 53.Ke4 Kf7 54.Kf4 Kf6 55.g5 Kg7 56.Ke4 Kf7 57.Kd5 Ke7 58.f6 Kf7 59.Kd6 Kg6 60.Ke6 Kh5 61.Ke7 Kg6 62.f7 Kg7 63.f8Q Kg6 64.Qf7 1-0. Zobbie (2500) - clanp (2545), Rated bullet game, lichess.org, 2022.

8.Bg2 c6 9.e4 Qe7 10.0-0 Rd8 11.Re1 Nf8 12.c3 Bg4 13.Qc2 Qd7 14.h3 (better 14.d4!?+=) 14...Bh3-/+ 15.Bh3 Qh3 16.Nh2 (16.c4 Ne6-/+) 16...Ng4 (16...Ne6 17.c4-/+) 17.Ng4 Qg4 18.Nf1 Bh6 19.Qe2 Qe2 20.Re2 Ne6 21.Kg2 Rd7 22.Ne3 Be3 23.Re3 f6 24.Rf3 Kg7 25.Re3 d5 (25...a5 26.d4-/+) 26.Re2? (26.ed5 cd5 27.f4 e4=) 26...Rad8 (26...de4 27.de4 Rd3 28.c4-+) 27.Bc1? (better 27.ed5 Rd5 28.d4=+) 27...de4-+ 28.de4 Rd1 29.Bb2 Ra1 30.Ba1 Rd1 31.Bb2 Nc7 (31...c5 32.b5-+) 32.Rc2 Nb5 33.Kf3 Nd6 34.Ke2 Rh1 35.c4 (35.Kd3!? Re1 36.f3 Rg1-+) 35...Ne4 36.c5 (36.Kd3 Re1-+) 36...Kf7 (36...Nf2!? 37.Rd2 Ng4 38.Rd7 Kh6 39.Bc3 Rh2 40.Ke1-+) 37.Ke3 f5 (better 37...Re1!? 38.Kf3 Ke6-+) 38.Be5-/+ Re1 (38...Ke6 39.Bb2 g5-+) 39.Kf3? (better 39.Re2!? Rb1 40.Bb2-/+) 39...Ng5-+ 40.Kf4? (40.Kg2 Re5 41.f4-+) 40...Ne6 41.Kf3 Re5 42.Rd2 (42.Kg2 Rd5-+) 42...Rd5 43.Rc2 (43.Ra2-+) 43…Nd4 (43...Nd4 44.Kf4 Nc2-+) 0-1. Zobbie (2570) - metalkingGT (2660), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 e4 9.de4 Re8 10.0-0 Ne4 11.Bg7 Nd2 12.Bh6 Nf3 13.ef3 Qf6 14.Qd2 Ne5 15.Rae1 Bh3 16.f4 Bg2 17.fe5 Qf3 18.Re3 Qc6 19.b5 Qd5 20.Rd3 Qb5 21.Kg2 Re5 22.Rd4 Rae8 23.a4 Qc6 24.Kg1 Qd7 25.c3 Rh5 26.Bf4 Qh3 27.f3 Rhe5 28.Be5 Re5 29.Re4 Re4 30.fe4 Qe6 31.Qf4 Qc4 32.Rf2 a5 33.Kg2 b6 34.h4 h5 35.g4 hg4 36.Qg4 Qc5 37.h5 Qc4 38.hg6 f6 39.Rf6 Qa2 40.Kh3 Qc4 41.Qd7 Qd3 42.Kg4 Qe2 43.Kg5 Qe3 44.Rf4 Qg1 45.Kf5 Qc5 46.Kf6 Qe5 0-1. Zobbie (2505) - BadChicken (2505), Rated bullet game, lichess.org, 2022.

8.Bg2 Qe7 9.e4 c6 10.0-0 Re8 11.Re1 b6 12.Nc4 Bb7 13.c3 Rad8 14.a4 h6 15.a5 b5 16.a6 Ba8 17.Na5 Nb6 18.Qb3 Nfd7 19.d4 Rc8 20.Rad1 Na4 21.Ba1 Nb8 22.de5 de5 23.c4 Na6 24.c5 Red8 25.Bh3 Rd1 26.Rd1 Re8 27.Rd6 Nb8 28.Qd3 Qc7 29.Bg4 Nc5 30.bc5 Qa5 31.Bc3 Qa3 32.Rd8 Qc1 33.Kg2 Rd8 34.Qd8 Kh7 35.Be5 Qc4 36.Bg7 Kg7 37.Qb8 a5 38.Qa8 a4 39.Qc6 a3 40.e5 a2 41.Qf6 1-0. Zobbie (2545) - angelito_78 (2500), Rated bullet game, lichess.org, 2022.

8.Bg2 Qe7 9.e4 c6 10.0-0 Re8 11.Re1 Nf8 12.c3 h6 13.Qc2 N6h7 14.Nc4 f5 15.Rad1 f4 16.gf4 ef4 17.d4 g5 18.e5 d5 19.Nd6 Rd8 20.c4 Be6 21.Nd2 g4 22.cd5 cd5 23.f3 g3 24.hg3 fg3 25.f4 Qh4 26.Nf3 Qh5 27.f5 Rd6 28.fe6 Re6 29.Qc7 Ng5 30.Re3 Ng6 31.Qb7 Rf8 32.Qd5 Nf4 33.Ng5 Qh2 34.Kf1 Nd5 35.Ke1 Rg6 36.Bd5 Kh8 37.Nf3 Qg1 38.Ng1 Rf1 39.Kd2 g2 40.Ree1 Rg3 41.Rf1 gf1Q 0-1. Zobbie (2530) - TheKingOfTheAsgard (2545), Rated bullet game, lichess.org, 2022.

8.Bg2 Ne8 9.e4 f5 10.0-0 f4 11.d4 g5 12.de5 de5 13.Nc4 g4 14.Nfe5 Nb6 15.Nb6 Qe7 16.Na8 f3 17.Bh1 Be5 18.Qd5 Be6 19.Qe5 Nd6 20.Nc7 Rf6 21.Nd5 Bd5 22.Qe7 1-0. Zobbie (2515) - Smartboy2599 (2500), Rated bullet game, lichess.org, 2023.

8.Bg2 Nh5 9.e4 f5 10.0-0 f4 11.d4 fg3 12.hg3 ed4 13.Bd4 Bd4 14.Nd4 Ne5 15.Qe2 Bg4 16.Qe3 Bd7 17.Nc4 Nc4 18.Qb3 b5 19.a4 c6 20.e5 d5 21.e6 Be8 22.ab5 cb5 23.Rad1 Ng7 24.Nb5 Bb5 25.Rd5 Qb8 26.e7 Re8 27.Rc5 Re7 28.Bd5 Kh8 29.Rb5 Qb5 30.Ba8 Nd2 31.Qd3 Qd3 32.cd3 Nf1 33.Kf1 Nf5 34.Be4 Nd6 35.Bd5 Re5 36.Bc6 a5 37.ba5 Ra5 38.Kg2 Ra2 39.Kf3 Rd2 40.Ke3 Rd1 41.Bf3 Rg1 42.Be2 Ra1 43.Bf3 Ra3 44.Be4 Kg7 45.Bd5 Kf6 46.Bf3 Ke5 47.Ke2 Nf5 48.Kf1 Nd4 49.Bg2 Ra1 0-1. Zobbie (2555) - Yandr0s (2515), Rated bullet game, lichess.org, 2024.

8.Bg2 Re8

9.0-0 a5 10.e4 h6 11.Nb3 Nf8 12.Na5 Ne6 13.Nc4 Ng5 14.Ng5 hg5 15.h3 g4 16.hg4 Bg4 17.Bf3 Bh3 18.Bg2 Bg4 19.Bf3 Bh3 20.Bg2 Be6 21.f4 Bc4 22.dc4 ef4 23.gf4 Ne4 24.Bg7 Kg7 25.Qd4 Qf6 26.Qe3 Nc3 27.Qf3 Ne2 28.Kh2 Rh8 29.Bh3 Nd4 30.Qe3 Rae8 31.Qd3 Re2 32.Kg1 Rc2 33.Rad1 Ne2 34.Kh1 Rb2 35.Rd2 Rd2 36.Qd2 Nf4 37.Rf4 Rh3 38.Kg2 Qg5 39.Kf2 Rh2 40.Ke3 Rd2 41.Kd2 Qf4 42.Kc3 g5 43.b5 g4 44.b6 Qe3 45.Kb4 Qb6 46.Ka4 Qc5 47.Kb3 Qc4 48.Kc4 g3 49.Kb5 g2 50.a4 g1Q 51.Ka5 Qb6 0-1. Zobbie (2540) - LuC10 (2535), Rated bullet game, lichess.org, 2022.

9.0-0 h5 10.e4 a5 11.Re1 Nb6 12.c4 Bd7 13.b5 Be6 14.Ng5 Bg4 15.Qc2 Nc8 16.h4 Nh7 17.Ndf3 Ng5 18.Ng5 f6 19.Nf3 Ne7 20.c5 d5 21.Nh2 Be6 22.d4 ed4 23.Bd4 de4 24.Rad1 Qc8 25.Be4 Bf5 26.Qc4 Kh7 27.Bg2 Ng8 28.Re8 Qe8 29.Bb7 Rd8 30.Bc6 Qe7 31.Bf3 Nh6 32.Be3 Rd1 33.Bd1 Bh3 34.Qd3 Nf5 35.Bd2 Qc5 36.Nf3 Bh6 37.Bh6 1-0. Zobbie (2525) - JuanCGlez (2705), Rated bullet game, lichess.org, 2023.

9.0-0 Nh5 10.e4 f5 11.Re1 f4 12.d4 g5 13.c4 g4 14.Nh4 f3 15.Bf1 Nf4 16.de5 Ne5 17.Qc2 Bf6 18.Nf5 Bf5 19.ef5 Nh3 20.Bh3 gh3 21.Ne4 Rf8 22.c5 d5 23.Rad1 c6 24.Nf6 Qf6 25.Be5 Qh6 26.Bf4 Qf6 27.Re5 Rae8 28.Rde1 Re5 29.Re5 Rf7 30.Qd3 Re7 31.Qe3 Re5 32.Qe5 Qe5 33.Be5 Kf7 34.Kf1 b6 35.Ke1 bc5 36.bc5 h5 37.Kd2 Ke7 38.Ke3 d4 39.Kd4 Kd7 40.Ke3 Ke7 41.Kf3 Kf7 42.Kf4 a5 43.Kg5 h4 44.Kh4 a4 45.Kh3 Kg8 46.Kg4 Kh7 47.Kf4 Kh6 48.Ke4 Kh5 49.Kd4 Kg4 50.Kc4 Kh3 51.Kb4 Kg2 52.f6 Kf3 53.f7 Kg2 54.f8Q Kf1 55.Qf4 Kg2 56.Bd6 Kf1 57.Qe4 Kg1 58.Qc6 Kf1 59.Qa4 Kg1 60.Qc2 Kf1 61.f4 Kg1 62.g4 Kf1 63.g5 Ke1 64.g6 Kf1 65.g7 Ke1 66.g8Q Kf1 67.Qgg2 Ke1 68.Qgf2 1-0. Zobbie (2510) - RanjithkalaiyarasaN (2545), Rated bullet game, lichess.org, 2021.

9.e4 a5 10.0-0 ab4 11.ab4 Ra1 12.Qa1 c6 13.Nc4 h6?? (better 13...Qc7=) 14.Nd6+- Rf8 (14...Re7+-) 15.Qa2 (15.Bh3 Nb6 16.Bc8 Qd6 17.Be5 Qb4 18.Bb7 Nbd7+-) 15...Nb6? (better 15...Qe7!? 16.Nc8 Rc8+-) 16.Nc8 Qc8 17.Ne5 Qc7 (17...Kh7 18.f4+-) 18.Nf3 (18.Ng6!? Ra8 19.Qb3 Ne4 20.Be4 Bb2 21.Qb2 fg6 22.Bg6 Qd6+-) 18...Ra8 19.Qb3 c5?! (19...Qe7+-) 20.bc5 Nbd7 21.Ba3 (21.Bf6!? Bf6 22.d4 Bg7+-) 21...Nc5 (21...Ra7 22.Re1 Nc5 23.Bc5 Qc5 24.d4+-) 22.Bc5 Qc5 23.Qb7 Ra2 (23...Rd8 24.d4 Qc2 25.Ne5+-) 24.c4 Qd6 (24...Ng4 25.Qd5 Qb6+-) 25.e5 (25.e5 Qd3 26.Qc8 Kh7 27.ef6 Bf6 28.Qc7+-) 1-0. Zobbie (2700) - LoneCypress (2665), Casual bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.e4 a5 10.0-0 ab4 11.ab4 Ra1 12.Qa1 Nf8 13.Nc4 Ne6 14.Ne3 h6 15.c3 Ng5 16.Nd2 Bh3 17.Qd1 Bg2 18.Kg2 Qd7 19.Qe2 Qh3 20.Kg1 h5 21.f3 h4 22.Qg2 hg3 23.hg3 Qg2 24.Kg2 Ra8 25.Ra1 Ra1 26.Ba1 c6 27.Ndc4 Ne8 28.Na5 Ne6 29.Nb7 N6c7 30.Na5 c5 31.bc5 dc5 32.Nac4 Nb5 33.Bb2 Nec7 34.Ng4 f6 35.Nge3 Kf7 36.Kf2 Ke6 37.Ke2 f5 38.Nb6 Bh6 39.Nec4 fe4 40.fe4 Ne8 41.Nd5 Ned6 42.Nd6 Nd6 43.Ba3 c4 44.Bd6 cd3 45.Kd3 Kd6 46.Nf6 Bf8 47.Ng4 Be7 48.Ne3 Bg5 49.Nc4 Ke6 50.Nb6 Be7 51.Nd5 Bd6 52.Ke2 Bb8 53.Kf3 Ba7 54.Kg4 Bb8 55.Kg5 Kf7 56.Nb6 Bd6 57.Nd7 Bc7 58.Kh6 Bd6 59.Kg5 Ke6 60.g4 Kd7 61.Kg6 Ke6 62.Kh7 Ba3 63.g5 Bb2 64.g6 Bc3 65.g7 Bd2 66.g8Q Kd6 67.Qd5 1-0. Zobbie (2550) - LuC10 (2510), Rated bullet game, lichess.org, 2023.

9.e4 a5 10.0-0 b6 11.Re1 Bb7 12.Nc4 a4 13.Ng5 Ba6 14.c3 Nf8 15.Ne3 Bc8 16.c4 Ne6 (16...c6 17.Rb1=) 17.h4 (17.Ne6 Be6 18.d4 ed4 19.Bd4 Ra7+=) 17...h6 (17...Ng5 18.hg5 Nh5 19.b5=+) 18.Ne6 Be6 19.Nd5 Bd5 (19...c5!?=) 20.cd5+= Qd7 21.Rc1 Rec8 22.Kh2 (better 22.d4 ed4 23.Bd4+/-) 22...Kh7?? (better 22...Ng4 23.Kg1 Nf6=) 23.Bh3+- Qb5 24.Bc8 Rc8 25.Qc2 Ng4 26.Kg2 h5 (26...f5 27.h5!+-) 27.Qc4 Qd7 28.Qc6 Qe7 (28...Nf6 29.b5+-) 29.f3 Nf6 30.Qa4 Bh6 31.Rc6 g5 (31...Nd7 32.Qc2+-) 32.hg5 Bg5 33.Rh1 Kg6 (33...Be3 34.Qa7+-) 34.Bc1 (34.Qc2 Nd7+-) 34...Nh7 (34...Bc1 35.Rhc1 Ne8 36.Rb6+-) 35.Qc2 (35.f4 Bh6 36.Rh5 ef4 37.gf4 Nf6+-) 35...Rg8 (35...Bc1 36.Qc1 b5 37.f4+-) 36.Rc7 Qf6 37.Bg5 Qg5 (37...Ng5 38.Qf2 Kh6 39.g4+- (39.Qb6 Qf3 40.Kg1 Qg3 41.Kf1 Qd3 42.Ke1 Nf3 43.Kf2 Qd2 44.Kf3 Qg2 45.Ke3 Rg3)) 38.Qc1 Qc1 39.Rcc1 Nf6 (39...Ra8 40.Rc6 Ra3 41.Rd6 f6 42.f4 (42.Rb6?! Ra2 43.Kf1 Ra1 44.Kf2 Rh1+/-) 42...ef4 43.gf4+-) 40.Kf2 (40.Rc6!? Ra8 41.Rd6 Ra3+-) 40...Ra8 41.Rc3 (41.Rc6 Ne8+-) 41...b5 42.Ra1 h4 (42...Ne8 43.Rc6+-) 43.Rc6 (43.gh4 Nh5 44.Rc6 Nf4 45.Rd6 Kh5+-) 43...h3 (43...hg3 44.Kg3 Nh5 45.Kf2+-) 44.g4 (44.Rd6 h2 45.Kg2 Kg7+-) 44...h2 45.Kg3 (45.Kg2!? Ne8+-) 45...h1Q (45...Ra3 46.Rf1 Rd3 47.Rd6 Kg7 48.Kh2 Rb3+-) 46.Rh1 Nh5 (46...Nh5 47.gh5 Kh7 48.Rd6 Ra3+-). Zobbie (2600) - mo95 (2520), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.e4 a5 10.0-0 b6 11.Re1 Bb7 12.Nc4 Nf8 13.c3 ab4 14.ab4 Qd7 15.Qb3 Ne6 16.Ne3 Qb5 17.c4 Qd7 18.Nd5 Bd5 (18...b5!?=) 19.cd5+/- Nf8 20.h4 (20.Ra8 Ra8 21.d4 ed4 22.Nd4 Re8+/-) 20...h5 21.Ng5 Ng4 22.Bh3 Nh7? (better 22...f6 23.Nf3 f5+/-) 23.f3 (23.Nh7 Kh7 24.f3 f5 25.fg4 hg4+-) 23...Ng5 24.hg5 Reb8 (24...Qe7 25.Ra8 Ra8 26.Bc1+-) 25.fg4 hg4 26.Bg2 f5 (26...Qe7 27.Ra8 Ra8 28.Bc1+-) 27.gf6! Bf6 28.Ra8 Ra8 29.Bc1 Kg7 30.Rf1 Rh8 31.Qc4 Ra8 32.Qc6 (better 32.Be3+-) 32...Qe7?? (32...Qc6 33.dc6 b5+-) 33.Qa8 Bg5 (33...Kh7 34.Qc8 b5 35.Bd2+-) 34.Qc8 (34.Bg5 Qf7 35.Bh6 Kh6 36.Rf7 Kh5 37.Rh7 Kg5 38.Qd8) 34...Bc1 (34...Qd8 35.Qe6 Bc1 36.Qf7 Kh6 37.Rc1 c5+-) 35.Rc1 Qg5 36.Rf1 (36.Rc7 Qe7 37.Re7 Kf6 38.Qd8 b5 39.Rc7) 36...Qe3+- 37.Rf2 Qc1 38.Bf1 Qe3 39.Qf8 (39.Kg2 Qf2 40.Kf2 c5 41.dc6 Kf7 42.Qd7 Kf6 43.c7 b5 44.c8Q Kg5 45.Qg4 Kf6 46.Qf8) 39...Kh7 40.Kg2 (40.Kg2 Qd2 41.Rd2 g5 42.Qf7 Kh6 43.Rf2 c6 44.Rf6) 1-0. Zobbie (2590) - mo95 (2535), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

9.e4 Rb8 10.0-0 b6 11.Re1 Bb7 12.Nc4 b5 13.Na5 Ba8 14.Rc1 c5 15.c4 cb4 16.ab4 bc4 17.Nc4 Qe7 18.Ba3 Nb6 19.b5 Nc4 20.dc4 Red8 21.Nd2 Nd7 22.Nf1 Nc5 23.Qc2 a6 24.Bc5 dc5 25.ba6 Bc6 26.Ne3 Ra8 27.Ra1 Qc7 28.Nd5 Bd5 29.cd5 Qc8 30.Qc4 Rd6 31.Rec1 Raa6 32.Ra6 Ra6 33.Qc5 Qe8 34.Bh3 Ra8 35.Kg2 Bf8 36.Qc7 Rd8 37.Rc6 h5 38.Bc8 Be7 39.h4 Qf8 40.Bh3 Bd6 41.Qb7 Kg7 42.Rc8 Rc8 43.Bc8 Qe7 44.Qc6 Qc7 45.Qe8 Qe7 46.Qc6 Qc7 47.Qa8 Qe7 48.Bh3 Qc7 49.Qa4 Qe7 50.Qc6 Qf6 51.Qc4 Qe7 52.Qe2 Qf6 53.Qf3 Qe7 54.Bc8 g5 55.Bg4 gh4 56.Bh5 Qg5 57.Kh3 hg3 58.fg3 Qh6 0-1. Zobbie (2580) - khano8 (2500), Rated bullet game, lichess.org, 2024.

9.e4 c6 10.0-0 Qc7 11.Nc4 a5 12.Na5 Ra5 13.ba5 Qa5 14.Qd2 Qc7 15.Qb4 Nc5 16.a4 Be6 17.a5 Ra8 18.Qb6 Qc8 19.d4 Nce4 20.de5 de5 21.Be5 Bd5 22.Qb2 Nh5 23.Bg7 Ng7 24.Ne5 Ne6 25.c4 f6 26.cd5 cd5 27.Ng4 f5 28.Nh6 Kf8 29.Be4 fe4 30.Qf6 Ke8 31.Qf7 Kd8 32.Qh7 Nf8 33.Qg8 Ke8 34.Qf7 Kd8 35.Qf8 Kd7 36.Qf7 Kd6 37.Rad1 Ra5 38.Qg6 Qe6 39.Nf5 Ke5 40.Qg7 Qf6 41.f3 Kf5 42.fe4 Ke5 43.Rf6 Ra2 44.Qg5 Ke4 45.Rf4 Ke3 46.Rf2 Ke4 47.Ra2 d4 48.Qf4 Kd5 49.Rd4 Kc6 50.Rc2 Kb5 51.Rb4 Ka5 52.Ra2 1-0. Zobbie (2510) - Agathodaemon (2510), Rated bullet game, lichess.org, 2022.

9.e4 Qe7 10.0-0 a5 11.Re1 b6 12.c3 Nf8 13.Qc2 Ne6 14.Nc4 Bd7 15.Ne3 ab4 16.ab4 Bb5 17.c4 Bc6 18.Nd5 Qd7 19.b5 Bb7 20.Bc3 Nc5 21.h4 h6 22.Kh2 Ng4 23.Kg1 f5 24.Bh3 fe4 25.de4 Rf8 26.Nh2 h5 27.Ng4 hg4 28.Bg2 Ra1 29.Ra1 Bh6 30.Qe2 Bc8 31.Ra7 Ne6 32.Qg4 Kh7 33.h5 Rg8 34.Bh3 Qf7 35.hg6 Rg6 36.Qf5 Kg7 37.Qf7 Kf7 38.Nc7 Kf6 39.Nd5 Kg5 40.Bf5 Rf6 41.Bd2 Nf4 42.gf4 ef4 43.Bf4 Kh5 44.Nf6 Kh4 45.Nd5 Bg5 46.Rg7 Bh6 47.Rh7 Bf5 48.Kf1 1-0. Zobbie (2505) - Boyechko_O (2500), Rated bullet game, lichess.org, 2021.

9.e4 Nf8 10.0-0 h5 11.Re1 Bg4 12.h3 Be6 13.Ng5 Qd7 14.c3 c6 15.Ne6 Ne6 16.Qb3 Rad8 17.Nf3 Kh7 18.Rad1 Qc7 19.d4 ed4 20.cd4 d5 21.e5 Ne4 22.Qd3 N4g5 23.Nh2 Kg8 24.f4 Nh7 25.Rf1 a5 26.g4 ab4 27.ab4 hg4 28.hg4 Qe7 29.f5 Qb4 30.fg6 fg6 31.Rf2 Nhg5 32.Qg6 Rf8 33.Rf6 Qb2 34.Re6 Ne6 35.Qe6 Rf7 36.Nf3 Rdf8 37.Ng5 Qe2 38.Nf7 Qd1 39.Kh2 Rf7 40.Qe8 Rf8 41.Qe6 Rf7 42.Qe8 Rf8 43.Qe6 Kh8 44.Qg6 Qd2 45.Kh3 Qh6 46.Qh6 Bh6 47.Kh4 Be3 48.Kh5 Bd4 49.g5 Be5 50.g6 Bg7 51.Kg5 Rd8 0-1. Zobbie (2525) - arcwardeen (2500), Rated bullet game, lichess.org, 2023.

6.Ngf3 e5

7.e4 Nc6 8.g3 a6 9.Bg2 h6 10.0-0 Be6 11.Re1 Ne8 12.c3 f5 13.d4 Ne7 14.de5 de5 15.c4 f4 16.Be5 fg3 17.hg3 Bg4 18.Bg7 Ng7 19.Qb3 Kh7 20.Nf1 Nc6 21.N1h2 Bf3 22.Nf3 Qf6 23.Rad1 Ne6 24.Rd5 Ncd4 25.Nd4 Qf2 26.Kh2 Nd4 27.Rd4 Qe1 28.Rd7 Kg8 29.c5 Kh8 30.Qb2 Kg8 31.Qg7 1-0. Zobbie (2525) - Homa_Sapiens (2515), Rated bullet game, lichess.org, 2022.

7.e4 Nh5 8.g3 f5 9.Bg2 f4 10.0-0 Nc6 11.b5 Ne7 12.d4 Bg4 13.c4 ed4 14.Qc2 (14.Qb3!?=) 14...c5-/+ 15.bc6 Nc6 16.c5 (16.Rab1 Qe7-/+) 16...dc5 17.Qc5 Qb6 (17...Re8 18.h3 Be6 19.g4-/+) 18.Qb6=+ ab6 19.Nc4 fg3 (19...d3 20.Bg7 Ng7 21.Nb6-/+) 20.fg3=+ Nf6 (20...b5 21.Nd6=+) 21.Nb6 (21.Nd4!? Nd4 22.Bd4=) 21...Ra6 (worse 21...Ne4 22.Na8 Ra8 23.Ne5 Be5 24.Be4+=) 22.Nd5? (better 22.Nc4!? b5 23.Nd6=) 22...Ne4-+ 23.Rad1 (better 23.Nh4 Nd2 24.Rf8 Kf8 25.Rc1-/+) 23...Be6?? (better 23...Nc3 24.Nc3 dc3-+) 24.Nc7+= Bb3 (better 24...Bc4 25.Na6 Ba6 26.Nd4 Bf1 27.Rf1 Rf1 28.Kf1 Nd6 29.Bd5 Kh8 30.Bc6 bc6=) 25.Rd3?? (better 25.Rde1 Nc3 26.Nd2+/-) 25...Bc4-+ 26.Na6 (26.Ne1 Rf1 27.Bf1 Rb6 28.Rd4 Nd4 29.Bc4 Kh8-+) 26...Bd3 (26...ba6?! 27.Nd4 Rf1 28.Bf1 Bd3 29.Bd3 Nd4 30.Be4 Ne2 31.Kf2 Bb2 32.Ke2 Ba3 33.h4-/+; 26...Ba6?! 27.Ne1 Rf1 28.Bf1 Bd3 29.Nd3-/+) 27.Rd1 Ba6 (27...Be2 28.Nd2 Nc3 29.Rc1 Ba6 30.Bc3 dc3 31.Ne4-+) 28.Nd4 Nd4 29.Bd4 Bd4 (29...Rd8!? 30.Be4 Rd4 31.Bc2-+) 30.Rd4 Nf6 31.h4 Kg7 32.Kh2 h5 33.Rb4 Ng4 34.Kh3 (34.Kg1-+) 34...Rf2 35.Rf4 (35.Rb1-+) 35...Ra2 36.Rg4 hg4 37.Kg4 Rg2 38.h5 (38.Kf3 Ra2 39.a4 Ra4-+) 38...Ra2 39.h6 (39.Kg5 Ra3 40.h6 Kh7-+) 39...Kh6 40.a4 Ra3 (40...Rf2 41.Kh4 g5 42.Kh3 Bf1 43.Kg4 Be2 44.Kh3 g4 45.Kh4 Rh2) 41.Kh3 Bf1 42.Kg4 Ra4 43.Kf3 Bd3 44.Kf2 Be4 (44...Be4 45.Ke3 b5-+) 0-1. Zobbie (2630) - aisha201 (2670), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 a5 8.Bg2 ab4 9.ab4 Ra1 10.Qa1 Nc6 11.b5 Ne7 12.0-0 b6 13.c4 Bb7 14.Qa7 Qa8 15.Ra1 Qa7 16.Ra7 Rb8 17.Nb1 Nc8 18.Ra4 Ra8 19.Ra8 Ba8 20.Nc3 Ne7 21.Ng5 Bg2 22.Kg2 h6 23.Nge4 Kf8 24.Nd2 Ke8 25.e4 Kd7 26.Nd5 Nfd5 27.cd5 f5 28.Kf3 h5 29.Nc4 Bh6 30.Ke2 Ng8 31.f3 Nf6 32.Bc3 Bc1 33.Be1 Bh6 34.Bf2 Bg5 35.Kd1 Bh6 36.h3 Bg5 37.Kc2 Bh6 38.Kb3 Bg5 39.Ka4 Bh6 40.Kb3 Bg5 41.Kc2 Bh6 42.Kd1 Bg5 43.Ke2 Bh6 44.Kf1 Bg5 45.Kg2 Bh6 46.Bb6 cb6 47.Nb6 Kc7 48.Nc4 Ne8 49.b6 Kb7 50.g4 hg4 51.hg4 fe4 52.de4 g5 53.Kf2 Bf8 54.Ke2 Nf6 55.Kd3 Nd7 56.Kc3 Nb6 57.Ne3 Kc7 58.Kb4 Nd7 59.Kb5 Nc5 60.Nf5 Nd3 61.Nh6 Ne1 62.Nf7 Nf3 63.Nh8 Nd4 64.Kc4 Ne2 65.Ng6 Ng3 66.Nf8 Ne4 67.Kd3 Nf6 68.Ne6 Kc8 69.Ng5 Ng4 70.Nf3 Nf6 71.Ne5 Nd5 72.Nc4 Nb6 73.Nd6 Kd7 74.Nb5 Nc4 75.Nd4 Nb2 76.Kc2 Nd3 77.Kc3 Nc1 78.Ne6 Na2 0-1. Zobbie (2535) - DoctorFromGallifrey (2625), Rated bullet game, lichess.org, 2020.

7.g3 b6 8.Bg2 Bb7 9.0-0 Nbd7 10.e4 Re8 11.Re1 a5 12.c3 ab4 13.ab4 Ra1 14.Qa1 d5 15.Qa2 de4 16.de4 Qa8 17.Qb3 Ne4 18.Ne4 Be4 19.Ng5 Bg2 20.Qf7 Kh8 21.Qd7 Rf8 22.Nf7 Kg8 23.Ng5 h6 24.Qe6 Kh8 25.Qg6 hg5 26.c4 Bh3 27.Qh5 Kg8 28.Qh3 Qf3 29.Qe6 Kh8 30.Rf1 e4 31.Qh6 1-0. Zobbie (2550) - SenorPerfecto (2525), Rated bullet game, lichess.org, 2023.

7.g3 Bf5 8.Bg2 c6 9.e4 Be6 10.Ng5 Bd7 11.0-0 h6 12.Ngf3 Kh7 13.Re1 Be6 14.d4 Nbd7 15.de5 Ne5 16.Ne5 de5 17.Be5 Qe7 18.c4 Rad8 19.Qc2 Ng4 20.Bg7 Kg7 21.Nf3 Qf6 22.e5 Qf5 23.Qe2 h5 24.Nh4 Qd3 25.Rac1 Qe2 26.Re2 Rd4 27.Rec2 Rfd8 28.f4 Rd1 29.Bf1 Ne3 30.Rd1 Rd1 31.Rf2 Ra1 32.f5 Bc4 33.e6 fe6 34.fe6 Nf1 35.e7 Ne3 36.Rf1 Rf1 0-1. Zobbie (2525) - Ganec (2555), Rated bullet game, lichess.org, 2021.

7.g3 Nh5 8.e4 f5 9.Bg2 f4 (9...fe4 10.de4 Qf6 11.c4=) 10.d4= Nd7 11.Nc4 (11.de5 Ne5 12.Ne5 Be5 13.Be5 de5+=) 11...Qe7 (11...ed4!? 12.Nd4 Ne5 13.Ne5 Be5=) 12.de5+= de5 13.Nce5?? (better 13.Qd5 Kh8 14.Rd1+= (worse 14.Nfe5 Ne5 15.Ne5 f3=+)) 13...Ne5-+ 14.Ne5 Rd8 15.Qe2 Be5 16.0-0?? (16.Be5 Qe5 17.0-0-+) 16...Bb2 17.Rad1 Be6 18.e5 Rd1 19.Rd1 Rd8 20.Re1 (20.Rd8 Qd8 21.Bb7 Qg5-+) 20...Bc3 21.Rf1 (21.Rd1 Rd1 22.Qd1 c6-+) 21...a5 22.ba5 Ba5 (22...Qa3 23.Rd1 Rd1 24.Qd1 Be5 25.Bd5-+) 23.Bb7 Qa3 24.Qb5 (24.Bf3 fg3 25.hg3 Ng7-+) 24...Qb4 (24...fg3 25.hg3 Bb6 26.Bg2 Ng3 27.Qc6-+) 25.Qc6 (25.Qb4 Bb4 26.Bf3 fg3 27.fg3 Ng7-+) 25...Qb6 (25...Bh3!? 26.Ba6-+) 26.Qb6 Bb6 27.Bf3 (27.Kg2 Rd2-+) 27...fg3 28.hg3 Ng3 29.Rd1 Rd1 30.Bd1 Ne4 31.Kg2 Nf2 32.Be2 Ne4 33.Kf3 Nc5 (33...Nc3 34.Ba6-+) 34.Kf4 Kf7 35.Bf3 (35.Bg4 h5 36.Be2 Bf5-+) 35...h6 36.Kg3 Bc4 37.Bg4 Ne6 38.Kf3 Bd5 39.Ke2 (39.Kg3 Bd4 40.Bf3 Be5 41.Kf2 Bf3 42.Kf3 Kf6-+) 39...Bd4 (39...h5!? 40.Be6 Ke6 41.Kd3-+) 40.Kd2 Be5 41.c3 (41.Be2 Nf4 42.Bb5 g5-+) 41...c5 42.Kd3 Nf4 43.Kd2 Kf6 (43...h5 44.Bd7-+) 44.Be2 Be6 45.Bf1 Bf5 (45...c4 46.Kc2 h5 47.Kd1-+) 46.Ke3 g5 47.Be2 g4 (47...Ne2 48.Ke2 h5 49.Kf3 g4 50.Kg2 h4 51.Kg1 h3 52.Kf2 g3 53.Ke3 h2 54.c4 h1Q 55.Kd2 Qg2 56.Ke1 Bc3 57.Kd1 Qd2) 48.Bc4 g3 49.Kf3 g2 50.Kf2 (50.Bb5 g1Q 51.Bc4 Bg4 52.Ke4 Qe1 53.Be2 Qe2) 50...Bc3 51.Bf1 (51.Bg8 Bd4 52.Ke1 g1Q 53.Kd2 Bb2 54.Bc4 Qc1) 51...Bd4 52.Kg3 (52.Ke1 g1Q 53.Kd2 Qf2 54.Kd1 Qc2 55.Ke1 Qc1) 52...g1Q (52...gf1Q 53.Kh4 Qf2) 53.Bg2 Qe3 (53...Qg2 54.Kf4 Qg4) 54.Kh4 (54.Kh2 Ng2 55.Kg2 Qh3) 54…Qf2 0-1. Zobbie (2580) - Odyseu (2585), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 Nc6

8.e4 d5 9.Bg2 de4 10.de4 Bg4 11.h3 Nd4 12.hg4 Ng4 13.Nd4 ed4 14.Qg4 c5 15.0-0 Rc8 16.Rac1 a5 17.bc5 Rc5 18.Nb3 Rg5 19.Qe2 a4 20.Nd2 Qb6 21.Nc4 Qc5 22.Rfe1 h5 23.c3 d3 24.Qd3 h4 25.Ne3 hg3 26.fg3 Rg3 27.Kf2 Qg5 28.Qe2 Qf4 29.Bf3 Rh3 30.Rg1 Qh4 31.Kf1 Bh6 32.Ng4 Bc1 33.Bc1 Rd8 34.Bf4 b5 35.Be5 Re8 36.Nf6 Kf8 37.Ne8 Ke8 38.Qb5 Kf8 39.Qb8 Ke7 40.Qd6 Ke8 41.Bf6 Rf3 42.Ke2 Qe4 43.Kd1 Rd3 0-1. Zobbie (2510) - Haatelian_Quetaniab (2610), Rated bullet game, lichess.org, 2022.

8.e4 Be6 9.Bg2 Re8 10.Ng5 Bd7 11.c3 h6 12.Ngf3 Be6 13.0-0 d5 14.Re1 d4 15.cd4 ed4 16.Nb3 Ng4 17.Nc5 Bc8 18.Rc1 Nge5 19.Ne5 Be5 20.f4 Bg7 21.e5 g5 22.Nb7 Bb7 23.Bc6 Bc6 24.Rc6 gf4 25.gf4 Qh4 26.Rf1 a5 27.b5 a4 28.Qf3 Rab8 29.Rc5 Bf8 30.Rd5 Re6 31.Bd4 Rg6 32.Kh1 Ba3 33.f5 Rg7 34.e6 fe6 35.fe6 Rf8 36.Qf8 Bf8 37.Bg7 Bg7 38.Rd7 Qh3 39.Rg1 Qf3 40.Rg2 Qf1 41.Rg1 Qf3 42.Rg2 Qd1 43.Rg1 Qe2 44.Rg2 Qe1 45.Rg1 Qe6 46.Rdg7 Kf8 47.h3 Qd5 48.R1g2 Qd6 49.R2g3 Qd5 50.Rg2 Qd3 51.Kh2 Qd5 52.R7g3 Ke7 53.Rf2 Qd6 54.Re2 Kd7 0-1. Zobbie (2550) - osterlind_naruto (2535), Rated bullet game, lichess.org, 2022.

8.e4 h6 9.Bg2 Be6 10.0-0 Qd7 11.Re1 Bh3 12.Bh1 Nh5 13.b5 Ne7 14.d4 f5 15.de5 fe4 16.Ne4 Qb5 17.Rb1 de5 18.Be5 Qc6 19.Bg7 Ng7 20.Ne5 Qe6 21.Rb7 Rad8 22.Qa1 Nd5 23.Ng4 Bg4 24.h4 Qf5 25.Qd4 Nf6 26.Nf6 Qf6 27.Qf6 Rf6 28.Rc7 Rf7 29.Rc4 Bf5 30.Ra4 Rc7 31.g4 Bc2 32.Re5 Ba4 33.Bd5 Rd5 34.Rd5 Rc1 35.Kh2 Bc6 36.Rd6 Kf7 37.Kg3 Ne6 38.g5 h5 39.f4 Rc3 40.Kf2 Nf4 41.Ke1 Rc2 42.Kd1 Ra2 43.Rc6 Ng2 44.Kc1 Ne3 45.Kb1 Ra3 46.Rc7 Ke6 47.Rc6 Kf5 0-1. Zobbie (2525) - alon2004 (2505), Rated bullet game, lichess.org, 2024.

8.e4 h6 9.Bg2 Be6 10.0-0 Qd7 11.Re1 Bh3 12.Bh1 Nh5 13.c3 Kh7 14.d4 f5 15.de5 de5 (15...Ne5 16.Ne5 de5 17.ef5 Qf5 18.Qe2+= (18.Bb7? Qf2 19.Kh1 Rad8-+)) 16.Nc4 (16.b5!? Ne7 17.ef5 Rf5 18.c4+/-) 16...Qf7 17.Qd5 Increases the pressure on e5 17...fe4 18.Qf7 Rf7 19.Re4 Raf8 20.Ncd2 (20.Nce5? Ne5 21.Ne5 Rf2-+; worse 20.Nfe5 Ne5 21.f4 Nc4 22.Rc4 b5-+) 20...Bf5 21.Re3 e4 22.Nd4 (22.b5 Na5 23.Nd4 Nf6=) 22...Nd4=+ 23.cd4 Nf6 24.Rf1 (24.Rae1 g5=) 24...Ng4=+ 25.Re4 (better 25.Ree1!? Bd7 A) 26.Re4? Nf2 (worse 26...Rf2 27.Re7 Rf1 28.Nf1+/-) 27.Re2 Nh3 28.Kg2 Bg4 29.Rf7 Rf7-+; B) worse 26.Be4 Nf2 (worse 26...Rf2 27.Rf2 Rf2 28.Bc3+=) 27.Bd5 Nh3 28.Kh1 Rf1 29.Rf1 Rf1 30.Nf1 c6=+; C) 26.Ne4=+) 25...Be4-+ 26.Ne4 h5?? (better 26...Ne3! 27.Rc1 Nf5-+) 27.h3 (27.Ng5 Kg8 28.Nf7 Rf7 29.Bb7 Re7+-) 27...Nh6 (better 27...Ne3!? 28.Rb1 Nc2 29.Ng5 Kh6 30.Nf7 Rf7+-) 28.Ng5+- Kg8 29.Bd5 (29.Nf7 Nf7 30.Bb7 Rb8+-) 29...Bf6? (better 29...c6 30.Bf7 Nf7+/-) 30.Nf7+- (30.Bf7?! Nf7 31.Ne6 Rc8+/-) 30...Nf7 31.Bb7 Kg7 (31...Re8 32.Rc1 Re7 33.Bd5+-) 32.Bd5 (32.Rc1 Nd6 33.Bd5 Kh6+-) 32...Nd6 (32...Rd8 33.Bf7 Kf7 34.Rc1+-) 33.Re1 (better 33.Rc1!? Kh6+-) 33...Rd8 34.Re6 (better 34.Rc1!? Nb5 35.Bg2 Kh6+-) 34...Nb5 35.Bc6 Nd4 36.Rf6 (better 36.Bd4!? Rd4 37.b5+/-) 36...Kf6= 37.Kg2 (37.Be4 Kf7=) 37...Kf5=+ 38.Ba4 g5 39.Bd1 g4 40.hg4 hg4 41.a4 Nf3 42.Bc2 Ke6 43.Be4 (43.Bc3 Rd6-/+) 43...Rd2 (43...Ne1 44.Kf1 Nd3 45.Bd3 Rd3 46.Bg7-+) 44.Bc3 (44.Bg7 Ne5 45.Bh7 Nd3 46.Bd3 Rd3-+) 44...Ra2 (44...Rd1!? 45.Bf3 gf3 46.Kh2 Rd3-+) 45.Bb7 Ra4 46.Bc8 Kd6 47.Bg4 Ra3 48.Bg7 (worse 48.Bf3 Rc3 49.b5 c5 50.bc6 a5-+ (50...Rc6?? 51.Bc6 Kc6 52.Kf3+-); 48.Kf3? Rc3 49.Ke2 Rb3-+) 48...Ne1 49.Kf1 Nd3 50.Bf8 Ke5 51.b5 Ra1 (better 51...Ra2!? 52.Bg7 Kd5=+) 52.Kg2 (better 52.Ke2 Ra4 53.Bd7 (worse 53.Kd3 Rg4 54.Bc5 Ra4=+) 53...Re4 54.Kd3 Rd4 55.Kc3 Rd7 56.Bc5=+) 52…Ra3 (52...Ra3 53.Ba3 Kd5+-) 0-1. Zobbie (2555) - leoajedrez (2590), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 Bd7 9.e4 Qc8 10.h3 h6 11.Qe2 Nh7 12.Nh4 (12.c3 a6=) 12...a5=+ 13.b5 Ne7 (13...Nd4 14.Bd4 ed4 15.a4=+) 14.a4 c6 15.c4 f5 (15...Nf6 16.d4 ed4 17.Bd4=) 16.ef5+= gf5 (16...Bf5 17.bc6 bc6 18.c5 dc5 19.Nc4+=) 17.0-0 Bf6 (17...f4 18.Ne4 Qc7 19.Nf3+=) 18.Nhf3 (18.f4 cb5 19.fe5 Bh4 20.gh4 Qc5 21.Kh2 de5 22.Bb7+- (22.Qe5?! Qe5 23.Be5 b4+/-)) 18...f4? (18...Re8 19.Rfb1+=) 19.g4 (19.Ne4 Bh3 20.Nd6 Qd7 21.Be5 Bg2 22.Kg2 fg3 23.fg3 cb5 24.ab5 Be5 25.Qe5 Nf5 26.Nf5 Rf5+/-) 19...Ng5 (19...cb5 20.Ne4 bc4 21.Nd6 (worse 21.Nf6 Nf6 22.dc4 Ra6=+) 21...cd3 22.Qd3+/-) 20.Ne4 (20.Ng5 hg5 21.Ne4 Qc7+/-) 20...Ne4+= 21.de4 Ng6 22.Rad1 Kg7? (better 22...Be6!?+=) 23.Rd6+- Be7 (23...Be6 24.bc6 bc6 25.Rfd1+-) 24.Rfd1 (better 24.Ne5 Ne5 25.Be5 Kh7 26.Rd4+-) 24...Bd6+/- 25.Rd6 Re8 (25...Qe8!?+/-) 26.Qd3 Bg4 27.hg4 Qg4 28.Rg6! Kg6 (28...Qg6 29.Be5 Double attack (29.Ne5 Decoy); 28...Kg6 29.Ne5 Double attack) 29.Ne5 Re5 30.Be5 Rf8 (30...Re8 31.Bc7+-) 31.Qf3 (31.Qd6 Kf7 32.Bf4 cb5 33.cb5 h5+-) 31...Qg5 (31...Qf3 32.Bf3 cb5 33.cb5+-) 32.Bd4 (32.Bd6 Rf7+-) 32...Rf7 (32...Kf7 33.bc6 bc6 34.e5+-) 33.e5 Qf5 (33...cb5 34.cb5 Re7 35.e6+-) 34.Bh3 (34.bc6 bc6 35.Qc6 Kg5+-) 34...Qb1 (34...Qg5 35.Kf1 Kh7+-) 35.Kh2 Kh7 36.Qh5 (better 36.e6 Rf5 37.e7+-) 36...Qg6 37.Qf3 Qg5?? (37...Qb1 38.e6 Rf5+-) 38.e6+- Re7 (38...Rc7 39.Qe4 Kg8 40.bc6 bc6 41.Be5+-) 39.Qe4 (39.bc6!? bc6 40.Qc6 Kg8+-) 39...Kg8 40.Bf5 (40.bc6 bc6 41.Qc6 Kh7 42.Qe4 Kg8+-) 40...Kf8 (40...c5 41.Bc3 Qh4 42.Kg1 Qg5 43.Kf1 f3 44.Qf3 Qc1 45.Ke2 Qg5+-) 41.Bg6 (41.Qe5 Qh5 42.Kg1 Qg5 43.Kf1+-) 41...Qh5?? (better 41...Qh4 42.Kg1 Qg4 43.Kf1 Qd1 44.Kg2 Qg4 45.Kh1 Qh4 46.Kg1 Qg4 47.Kh2 Qh4 48.Kg1=) 42.Bh5 Rg7 43.Qf5 Ke7 (43...Kg8 44.Bf7 Kh8 45.e7 cb5 46.e8Q) 44.Qf6 (44.Bc5 Kd8 45.Qf8 Kc7 46.b6) 44...Kd6 45.Qg7 c5 (45...Ke6 46.Bg4 Kd6 47.Qe5) 46.Qd7 1-0. Zobbie (2420) - universe64 (2395), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3 0-0 5.Nd2)

8.Bg2 Nd7 9.e4 f5 10.0-0 f4 11.b5 Ne7 12.d4 fg3 13.hg3 ed4 14.Bd4 Ne5 15.Ne5 de5 16.Bb2 Qe8 17.Nc4 Qb5 18.Qd3 Be6 19.Ne5 Qb2 20.Nf3 Rad8 21.Qe3 Qc2 22.Rac1 Qb3 23.Qb3 Bb3 24.Rc7 Nc6 25.Rb7 Bc4 26.Rc1 Na5 27.Ra7 Ra8 28.Ra5 Ra5 29.Rc4 Ra3 30.Ng5 Ra2 31.f4 Rb8 32.Rc1 h6 33.Ne6 Bf6 34.e5 Be7 35.Nc7 Rbb2 36.Bd5 Kg7 37.Ba2 Ra2 38.Nd5 Bd8 39.Rc8 Ba5 40.Kf1 Ra1 41.Ke2 Ra2 42.Kf3 Ra3 43.Ke4 Ra2 44.Kd3 Re2 45.Kc4 Rd2 46.Ra8 Rc2 47.Kd3 Bd8 48.Ke4 Rc4 49.Kd3 Rc7 50.Ra7 g5 51.Rc7 Bc7 52.Nc7 gf4 0-1. Zobbie (2620) - JulianBeroiz (2530), Rated bullet game, lichess.org, 2024.

8.Bg2 Be6 9.0-0 a6 10.Ng5 Qd7 11.Ne6 Qe6 12.e3 Rae8 13.Qe2 h5 14.h4 d5 15.Rae1 e4 (15...Ne7 16.Nf3 Ng4 17.c4+=) 16.Nb3 (16.Bf6 ed3 17.Qd3 Qf6 18.Bd5+=) 16...Ng4? (better 16...Ne5!?=) 17.Bg7 Kg7 18.Nc5 Qc8 19.de4 b6 (better 19...d4!?+-) 20.ed5 bc5 21.dc6 cb4 22.ab4 Qb8 23.Qc4 Re5 24.Qc3 Kg8 (24...f6 25.Rd1+-) 25.f3 Re3 26.Re3 Ne3 27.Qe3 Qb4 28.Kh2 a5 29.Qb3 Qc5 30.Re1 Ra8 (30...Qc6 31.f4 Qa6 32.Re5+-) 31.Re4 (31.Qb7 Rf8+-) 31...Qf2 (31...Qc6 32.Re7 Rf8 33.f4+-) 32.f4 Rd8 (32...Rf8 33.Re7 Qa7 34.Qd5+-) 33.Re7 Rf8 34.Qe3 (better 34.Rc7!? Qc5+-) 34...Qc2 (34...Qe3 35.Re3 Ra8 36.Re7+-) 35.Rc7 a4 36.Ra7 Qc4 (36...Qf5 37.Qc1 g5 38.c7 gh4 39.gh4+-) 37.Qa3 Rc8 (37...Qe6 38.Qf8! Kf8 39.Ra8 Ke7 40.c7+-) 38.Qa4 Qe2 (38...Qe6 39.Ra8 g5 40.c7 gh4 41.Rc8 Qc8 42.Qa8 Qa8 43.Ba8 hg3 44.Kg3+-) 39.Qa2 (better 39.Ra8 Qe8 40.Rc8 Qc8 41.Qa7+-) 39...Qe3 (39...Qa2 40.Ra2 Rc7+-) 40.Qf7 Kh8 41.Qh7 (41.Qg7) 1-0. Zobbie (2575) - PlayForWinAlways (2620), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 Bg4 9.0-0 Qd7 10.Re1 Bh3 11.Bh1 Rfe8 12.Ng5 Bf5 13.e4 Be6 14.Ne6 Qe6 15.Bg2 Nd4 (15...Qd7 16.c3+=) 16.c3+= Nc6 17.Nc4 (17.d4 Ne7+=) 17...h5 (17...Ne4 18.Re4 d5 19.Rh4 dc4 20.Rc4+=) 18.Ne3 Ne7 19.c4 c6 20.b5 Ng4 21.a4 Rad8 22.Bh3?? (22.Qf3 a6+=) 22...f5?? (better 22...Ne3 23.Be6 Nd1 24.Bf7 Kf7 25.Rad1 cb5 26.ab5 a5-+) 23.ef5+= gf5 24.Bg2 d5 25.cd5 cd5 26.Rc1 Ng6 27.Qb3 Nf6 (27...Ne3 28.fe3 h4 29.Rc7 hg3 30.hg3+=) 28.Bh3 (28.f4 e4 29.de4 Ne4 30.Bg7 Kg7 31.Be4 de4 32.Rc7 Kf8 33.Qe6 Re6 34.Nf5 Rf6+-) 28...Ne7 (28...Ng4!?+=) 29.Rc7+/- Kh7 (better 29...Rd7 30.Rd7 Nd7+-) 30.Rb7+- Ng4 31.Qd1 (31.Ra7 Ne3 32.Re3 Kg8+-) 31...Bh6? (better 31...a6+-) 32.Ra7 Kh8 (32...Be3 33.Re3 d4+-) 33.Ra6 (better 33.Ng4 hg4 34.Re5 Qf6+-) 33...Rd6 (33...Qf7 34.Bg4 hg4 35.Rh6 Kg7+-) 34.Ng4 hg4 (34...Ra6 35.Re5 Bg7 36.Re6 Re6 37.Nf6 Bf6 38.Bf6 Kg8 39.Qh5+-) 35.Rd6 Qd6 36.Be5 Qe5 37.Re5 Bg7 38.Re7! Re7 39.Bg2 Bd4 (39...Bc3 40.Qb3 Ba1 41.Qd5+-) 40.Bd5 (better 40.Qc1 Kh7 41.Qf4 Re1 42.Bf1 Bg7 43.Qf5 Kh6+-) 40...Bc3 (40...Kg7 41.Qc1 Kg6 42.b6+-) 41.Qc2 Bf6 42.Qc6 (better 42.d4 Re1 43.Kg2 f4 44.Qc8 Kg7 45.Qg4 Kh6 46.Qf4 Kg7 47.Qg4 Kh6+-) 42...Re1 43.Kg2 Re6 (43...Re6 44.Be6 Bh4 45.Qe8 Kg7 46.Qf7 Kh6 47.Bf5 Bg3 48.Qg6). Zobbie (2555) - anonymous61596 (2560), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

7.g3 Nbd7

8.e4 c6 9.Bg2 Qe7 10.0-0 d5 (10...a5 11.c4=) 11.Re1 (11.ed5 Nd5 12.Re1 N5b6+=) 11...de4 (11...d4 12.c3 dc3 13.Bc3=) 12.de4 Nb6 (12...Rd8 13.c4=) 13.c4 (13.Be5 Rd8+/-) 13...Rd8 14.Qc2 White prepares c5 (worse 14.Ne5 Ng4 15.Nc6 bc6 16.Bg7 Kg7-/+) 14...Bg4 (14...Nbd7 15.c5+=) 15.c5 (15.Ne5!? Be6 16.Rad1+/-) 15...Nbd7+= 16.Nc4 e5 draws heavy fire 16...Bf3 17.Bf3 Ne8 (17...b6 18.cb6 ab6 19.Red1+=) 18.Rad1+/- f5? (better 18...Rab8+/-) 19.ef5+- gf5 (19...Qf7 20.Be4 g5 21.Bd3+-) 20.Qf5 Qf6 (20...Bf6 21.Nd6 Nd6 22.Rd6+-) 21.Bg4 Nf8 22.Be5 Qf5 23.Bf5 Nf6 (23...Rd1 24.Rd1 Be5 25.Ne5+-) 24.Na5 Nd5 (24...Rd1 25.Rd1 Ne8 26.Bd6+-) 25.Nb7 Be5 (25...Re8 26.Bg7 Kg7 27.Na5+-) 26.Re5 (26.Nd8 Rd8 27.Re5 Kf7+-) 26...Kf7 (26...Re8 27.Re8 Re8+-) 27.Nd8 Rd8 28.Be4 Kf6 29.Rf5 Ke6 30.Rh5 a5 (30...Ke7 31.Bd5 cd5 32.Rhd5+-) 31.Kg2 (better 31.ba5!? Ke7+-) 31...ab4 (31...Ne3 32.fe3 Rd1 33.ba5+-) 32.ab4 (better 32.Bd5 cd5 33.ab4+-) 32...Nd7 (32...Nf4 33.gf4 Rd1 34.Bc6 Rd4+-) 33.Bd5 cd5 34.Rhd5 Ke7 35.Rd7! Rd7 36.Rd7 Kd7 37.Kh3 Kc6 38.Kh4 Kb5 39.c6! Kb4 (39...Kc6 40.f4 Passed pawn) 40.c7 Kc4 41.c8Q Kd3 42.Qf5 Ke2 43.Qh7 Kf1 44.Qf5 Kg2 (44...Kg1 45.g4 Kg2 46.Qe4 Kf2 47.g5 Kg1 48.Kg3 Kf1 49.h4 Kg1 50.Qe1) 45.g4 Kh1 (45...Kf1 46.Kg3 Ke2 47.Qc2 Ke1 48.h4 Kf1 49.Qd1) 46.Qf3 (46.Kg3 Kg1 47.Qb1) 46...Kg1 (46...Kh2 47.g5 Kg1 48.Kg3 Kf1 49.Qd1) 47.Kg3 Kf1 48.Qd1 1-0. Zobbie (2550) - Balayan2007 (2570), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.e4 Re8 9.Bg2 Nf8 10.0-0 Bg4 11.h3 Be6 12.Ng5 Bd7 13.c3 h6 14.Ngf3 Be6 15.Re1 Qd7 16.Kh2 N8h7 (16...a5 17.d4 ed4 18.Nd4 ab4 19.cb4+=) 17.d4+= c6 (17...ed4 18.Nd4 Nf8 19.c4+=) 18.Nf1 (18.de5 de5 19.Ne5 Qd6+/-) 18...Ng5? (better 18...Rad8!?=) 19.Ng5+/- hg5 20.Ne3 (better 20.d5!? cd5 21.ed5+-) 20...Qc7 21.Qd2 Rad8 22.Rad1 Bh6 (22...g4 23.hg4 Ng4 24.Ng4 Bg4 25.f3=) 23.Qe2 Qc8 (23...Bb3 24.Rd3+=) 24.de5 de5 25.Nc4 g4 26.h4 (26.Nd6!? Rd6 27.Rd6+=) 26...Bc4 27.Qc4 Nh5 28.Qc5 b6 (28...Bd2 29.Rf1=) 29.Qc4 (29.Rd8 Rd8 30.Qe5 Rd2+=) 29...Qc7 30.Qe2 Nf6 31.c4 g5? (31...a5 32.f4 gf3 33.Qf3+=) 32.hg5?? (better 32.Bc1 Nh7 33.Qg4+-) 32...Bg5+= 33.Rh1 Kg7 34.Kg1 c5 35.Rd5 Rd5 (35...cb4!? 36.ab4 Nd5 37.Qg4 Ne7 (37...Nb4?? 38.Qg5 Kf8 39.Rh8) 38.Qg5 Ng6=) 36.ed5+/- cb4 37.ab4 Qd6 38.Bc3 a5 (38...Bh6 39.Qc2+/-) 39.ba5+- ba5 40.Ba5 e4 (better 40...Qa3 41.Bb6 Qa1 42.Bf1 Ra8+-) 41.Bc3 Kg6 42.Bf1 (42.Bf6!? Kf6 43.Qg4 Qb4+-) 42...e3 43.Qd3 (43.f4 gf3 44.Qf3 e2 45.Qd3 Kg7 46.Be2 Re3 47.Bf6 Kf6 48.Qd4 Ke7+-) 43...Ne4 44.fe3?? (better 44.Rh8 ef2 45.Kg2+-) 44...f5 (44...Qg3 45.Bg2 Qf2 46.Kh2 g3 47.Kh3 Qf5) 45.Bg2?? (better 45.Be1 Ng3 46.c5-+) 45...Qc5 (45...Qg3 46.Rh3 gh3 47.Qe2 Rb8 48.Qh5 Kh5 49.c5 Qg2) 46.Be4 Qe3 (46...Qe3 47.Qe3 Be3 48.Kg2 Re4+/-) 0-1. Zobbie (2630) - rockymann (2535), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 d5 9.Kf1 e4 10.Nd4 e3 11.fe3 Ng4 12.Kg1 Ne3 13.Qc1 Qe7 14.Nf1 Ng2 15.Kg2 Ne5 16.Qe3 Re8 17.Nd2 Qd7 18.h3 Nc4 19.Nc4 Re3 20.Ne3 c6 21.Raf1 Qe7 22.Rf3 a5 23.c3 Bd4 24.cd4 ab4 25.ab4 Ra2 26.Nd1 Qe2 27.Rf2 Qd3 28.Bc1 Qe4 29.Kh2 Rf2 30.Nf2 Qf3 31.Rf1 b6 32.Bf4 Ba6 33.Ra1 Qf2 34.Kh1 Bf1 35.Ra2 Qa2 36.Kg1 Qg2 0-1. Zobbie (2510) - Ermito (2505), Rated bullet game, lichess.org, 2023.

8.Bg2 Qe7 9.e4 d5 10.0-0 de4 11.de4 Rd8 12.c4 h6 13.Qc2 c6 14.c5 Nf8 15.Ne5 Ne6 16.Nb3 a5 17.Rad1 a4 18.Nc1 Nd7 19.Nc4 Bb2 20.Qb2 Ndf8 21.Ne2 Bd7 22.Nb6 Be8 23.Na8 Ra8 24.Rd6 Nh7 25.Rfd1 h5 26.h4 Nf6 27.Nd4 Bd7 28.Ne6 Be6 29.Qd4 Ng4 30.Bf3 Nh6 31.Rd8 Rd8 32.Qd8 Qd8 33.Rd8 Kg7 34.Rb8 b6 35.cb6 Nf5 36.ef5 Bd5 37.Bd5 1-0. Zobbie (2525) - anhghost100 (2620), Rated bullet game, lichess.org, 2024.

8.Bg2 Re8 9.0-0 c6 10.e4 Qc7 11.Re1 d5 12.Rc1 d4 13.c3 Qd6 14.cd4 ed4 15.Bd4 Ng4 16.Bg7 Kg7 17.d4 h5 18.e5 Qe7 19.Ne4 Nf8 20.Nd6 Rd8 21.Nc8 Rac8 22.Qd2 Nh6 23.Qf4 Nf5 24.Bh3 Ne6 25.Qe4 Ned4 26.Nd4 Rd4 27.Qe2 Rcd8 28.Bf5 gf5 29.Qh5 Qe6 30.Rc3 f4 31.gf4 Rf4 32.Rg3 Kf8 33.Qg5 Rf5 34.Qd8 1-0. Zobbie (2540) - Attacker2700 (2570), Rated bullet game, lichess.org, 2021.

8.Bg2 Re8 9.e4 a5 10.0-0 c6 11.Nc4 Qe7 12.Na5 Nb6 13.c4 h5 14.Qc2 Bg4 15.h3 Be6 16.Ng5 Bc8 17.f4 Bh6 18.h4 Bg5 19.fg5 Ng4 20.Qe2 Na4 21.Bc1 Be6 22.Bd2 Rad8 23.Rf3 d5 24.Raf1 de4 25.de4 Rd4 26.Be3 Re4 27.Qd3 Re3 28.Re3 Ne3 29.Qe3 Bg4 30.c5 e4 31.Nc4 Qe6 32.Nd6 Re7 33.Be4 Nb2 34.Qd4 Nc4 35.Nc4 Qe4 36.Qe4 Re4 37.Nd6 Re2 38.Rf7 Bh3 39.Rb7 Rg2 40.Kh1 Rb2 41.b5 Rb1 42.Kh2 cb5 43.g4 Rc1 0-1. Zobbie (2555) - LuC10 (2530), Rated bullet game, lichess.org, 2023.

7.g3 Re8

8.e4 a5 9.Bg2 Nc6 (9...ab4 10.ab4 Ra1 11.Qa1=) 10.c3 b6 (10...Ne7 11.0-0=) 11.0-0 Ba6 12.Qc2 Ne7 13.Rfe1 Nd7 14.Nc4 Bc4 15.dc4 c5 (15...Rf8 16.Rad1+=) 16.b5 Nf8 17.Rad1 Qc7 18.Nd2 Rad8 19.Nf1 Ne6 20.Ne3 Rf8 21.Bh3 (better 21.Bc1+/-) 21...Nd4? (better 21...Ng5 22.Bg4 Qb7+=) 22.cd4+- cd4 23.Nf1 f5 24.Qd3 Rc8 25.Nd2 Kh8 26.Kh1 Qc5 27.f3 Rcd8 28.Rf1 Qc7 29.Rde1 Ng8 (29...f4 30.Bc1+-) 30.f4 (30.ef5 g5+-) 30...fe4 31.Ne4 d5 (31...Rde8 32.Ng5+-) 32.cd5 Rd5 33.fe5 (better 33.Ng5!? e4 34.Re4 Qb7+-) 33...Rf1 34.Rf1 Qe5 35.Ng5 (better 35.Bg2+-) 35...Qg5=+ 36.Bg2 Rb5 (36...Rf5 37.Re1 (37.Bd4?? Rf1 38.Bf1 Qd5 39.Bg2 Qd4 40.Qd4 Bd4-+) 37...Rb5 38.Bd4 Bd4 39.Qd4 Qf6 40.Qe3=+) 37.Bc1 (better 37.Bd4!? Bd4 38.Qd4 Qe5 39.Qd8=) 37...Qc5-/+ 38.h4 (38.Bf3!?-/+) 38...a4-+ 39.Qe4 Rb3 40.Bf4 (40.Bf3 Qf5 41.Kg2 Qe4 42.Be4 Nf6-+) 40...Qc8 (better 40...Ra3 41.Qa8 Qb5-+) 41.Be5-/+ Qd7 (41...Ra3 42.Rf7 Nf6 43.Bf6 (worse 43.Rf6 Re3 44.Rc6 Be5 45.Rc8 Kg7+-) 43...Bf6 44.Rf6 Ra1 45.Kh2+-) 42.Kh2? (42.Rf8 Rb5 43.Bg7 Kg7 44.Rb8=) 42…Be5 (42...Be5 43.Qe5 Qg7-/+) 0-1. Zobbie (2635) - HerzliyaLostSon (2675), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.e4 b6 9.Bg2 Bb7 10.0-0 Nbd7 11.Re1 c5 12.Nc4 Qe7 13.b5 a6 14.a4 ab5 15.ab5 Reb8 16.c3 Bf8 17.Qb3 Ne8 18.h4 Bg7 19.Ng5 h6 20.Nf3 Qd8 21.Bh3 Qc7 22.Bd7 Ra1 23.Ra1 Qd7 24.Nb6 Qc7 25.Nc4 Bc6 26.b6 Qd7 27.Qd1 Rb7 28.Ra8 Kh7 29.Ra5 Nf6 30.Nh2 Nh5 31.Bc1 f5 32.Qe2 fe4 33.de4 Nf6 34.f3 d5 35.Ne5 Qe6 36.ed5 Nd5 37.Nhg4 h5 38.Qd3 hg4 39.Nc6 Qc6 40.h5 Rb6 0-1. Zobbie (2505) - CanIWinYouOrNot (2515), Rated bullet game, lichess.org, 2023.

8.e4 c6 9.Bg2 b6 10.0-0 Bb7 11.Re1 Nbd7 12.Nc4 d5 13.Nd6 Qc7 14.Ne8 Re8 15.c3 c5 16.ed5 Nd5 17.Qb3 a5 18.Ng5 N5f6 19.Qf7 Kh8 20.Bb7 Qb7 21.d4 Rf8 22.Qe7 ab4 23.ab4 cb4 24.Ne6 Rg8 25.de5 Nd5 26.Qd6 bc3 27.Ng5 Rf8 28.Ba3 b5 29.Ne6 Rf7 30.Nd8 Qc8 31.Nf7 Kg8 32.Qe6 Qf8 33.Nh6 Kh8 34.Nf7 Qf7 35.Qd5 Qd5 36.e6 b4 37.e7 ba3 38.e8Q Bf8 39.Rad1 Nf6 40.Rd5 Kg7 41.Qf8 Kf8 42.Rd7 Ne8 43.Ree7 Nf6 44.Rf7 Ke8 45.Rde7 Kd8 46.Rh7 Kc8 47.Rh8 Ne8 48.Rhe8 1-0. Zobbie (2545) - UsefulBarberFly (2525), Rated bullet game, lichess.org, 2024.

8.e4 h6 9.Bg2 Be6 10.0-0 Qd7 11.Re1 Bh3 12.Bh1 Bg4 13.Qc1 a5 14.Nc4 ab4 15.ab4 Ra1 16.Qa1 Nc6 17.b5 Nb4 18.Qb1 Qb5 19.Ne3 Be6 20.Bc3 c5 21.Qb2 Qc6 22.Bb4 cb4 23.Qb4 Nd7 24.c4 Nc5 25.Qd2 Nb3 26.Qb2 Nc5 27.Qb1 Ra8 28.Nd5 Bd5 29.ed5 Qa4 30.Nd2 Qa2 31.Ne4 Qb1 32.Rb1 Ne4 33.Be4 f5 34.Bf3 Ra3 35.Be2 Ra2 36.Bf1 Ra7 37.Rb6 Bf8 38.g4 Kf7 39.gf5 gf5 40.Bh3 f4 41.Bc8 Kf6 42.Kg2 Ra8 43.Bb7 Rb8 44.Rb5 Be7 45.Bc6 Rg8 46.Kf3 Kf5 47.Rb7 Bf6 48.Rf7 h5 49.Rc7 Rg4 50.Bd7 Kg5 51.Bg4 hg4 52.Ke4 f3 0-1. Zobbie (2530) - Attacker2700 (2580), Rated bullet game, lichess.org, 2021.

8.e4 Nc6 9.Bg2 Bg4 10.h3 Be6 11.Ng5 Bd7 12.c3 h6 13.Ngf3 Qc8 14.Qb3 Be6 15.Qc2 d5 (15...Qd7 16.g4=) 16.Kf1 (16.b5 Ne7=) 16...Qd7 (16...de4 17.de4 a6 18.c4=) 17.Kg1 (17.b5 Na5 18.Qa4 b6 19.Ne5 Qd6 20.ed5 Bd5+=) 17...Rad8 (17...a6 18.ed5 Nd5 19.Ne4=+) 18.Rd1 (18.b5 Ne7 19.Ne5 Qb5 20.ed5 Bf5+= (worse 20...Ned5 21.c4 Qc5 22.d4+-)) 18...g5 (18...de4 19.de4 Bc4 20.Re1=+) 19.Kh2 (19.b5 Na5 20.Qa4 de4 A) 21.de4? Nc4 22.Qc2 Ne4 (worse 22...Qb5 23.Bc1-+) 23.Qe4 Nb2-+; B) 21.Ne5+/-) 19...g4= 20.hg4 Ng4 21.Kg1 de4 22.de4 Qe7 23.Bh3 Rd7 24.Kg2 Red8 25.Nb1 (better 25.Bc1=) 25...Bc4?? (better 25...Rd1 26.Rd1 Rd1 27.Qd1 Nf2 28.Kf2 Bh3-/+) 26.Rd7?? (26.Bg4 Bd3 27.Qb3 Rd6+-) 26...Rd7?? (26...Qd7 27.Nbd2 Bd3 28.Qb3=) 27.Rd1?? (better 27.Bg4 Bd3 28.Qb3+-) 27...h5 (27...Rd1 28.Qd1 Be6 29.b5=) 28.Nh4 Be6 29.Rd7 Qd7 30.Qd2 Bh6 31.Qd7 Bd7 32.c4 Be6 33.c5 Nd4 34.Nc3 Bd2 (34...c6 35.Nd1=) 35.Nd5 c6 36.Nc7 Bd7 37.Bd4 (37.Na8!?=) 37...ed4=+ 38.f4? (38.Nf3 Bc3 39.Bg4 Bg4-/+ (worse 39...hg4 40.Ne5 Bc8 41.Ne8=)) 38...Be3 (better 38...Bc1!? 39.Bg4 Bg4-+) 39.Bg4-/+ Bg4 40.Nf5 Bc1 (40...Bf5 41.ef5 Bc1-/+) 41.Nd4= Ba3 (41...Ba3 42.Nc2 Bb2=) 0-1. Zobbie (2550) - neromagik (2550), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

8.Bg2 a5 9.0-0 ab4 10.ab4 Ra1 11.Qa1 Nc6 12.b5 Ne7 13.e4 Nh5 14.Nc4 f5 15.Qa3 (15.ef5 Bf5 16.Ne3 Qd7+=) 15...f4 (15...Be6 16.Na5 fe4 17.Ng5+= (worse 17.Nb7 Qa8 18.Ng5 Bd5=+)) 16.b6+= c5 (16...cb6 17.Qb4 Double attack (17.Qd6 Deflection; 17.Qb4 Decoy)) 17.Qb3 Kh8 18.Ng5 Rf8 19.Nd2 (19.Na3 Qe8 20.Nb5 Qd7+/-) 19...Qe8+= 20.Ne6 Rg8 (20...Be6 21.Qe6 Rf6 22.Qa2+=) 21.Ng7 Rg7 22.Nc4 Qc6 23.Ne5 de5 24.Be5 Nf6 25.Bf4 g5 (25...Be6 26.c4 Qc8 27.Qc3+/-) 26.Be5+/- Ng6 (better 26...Neg8!?+/-) 27.Bc3+- h5?? (27...Be6 28.Qb2 Ne8 29.Ra1+-) 28.Ra1 (28.e5 Ne4 29.Be4 c4 30.Qc4 Qc4 31.dc4 Kh7+-) 28...Kh7?? (28...Ne7+-) 29.Ra8 (better 29.e5 c4 30.Bc6 cb3 31.ef6+-) 29...Be6+/- 30.Qa4 Qa4 31.Ra4 Rf7 32.Ra7 Ng4 33.Be1 (33.f3 Ne3 34.Ra5 h4 35.Rc5 h3+-) 33...N4e5 34.f4?? (better 34.Bd2 g4 35.Be3+/-) 34...Nc6?? (better 34...gf4 35.Bf2 fg3 36.hg3 c4=+) 35.f5+- (35.fg5?! Nd4 36.e5 Bc8+/-) 35...Na7 36.ba7 (worse 36.fg6 Kg6 37.ba7 Rf8+-) 36...Rf8 37.fe6 (better 37.Bf2 Ra8 38.Bc5+- (38.fe6?! b6+/-)) 37...Ra8+/- 38.e5 Ra7 (38...Ne5 39.Be4 Double attack (39.Bb7 Discovered attack)) 39.Bc3 Ra3 (39...Kh6 40.Bd5+=) 40.Be4 (better 40.Bd2 Ra1 41.Kf2+/-) 40...Rc3?? (better 40...Kh6 41.Bd2 Ra1 42.Kg2 Ra2+=) 41.e7+- Rc2 42.e8Q Rc1 (42...Rc1 43.Kf2 Rf1 44.Kf1 Kg7 45.Bg6 Kh6 46.Qf7 g4 47.Qh7 Kg5 48.Qh5; 42...Rg2 43.Kg2 Kg7 44.Bg6 Kh6 45.Qf7 g4 46.Qh7 Kg5 47.Qh5). Zobbie (2580) - Odyseu (2585), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.g3 c6

7.Bg2 b6 8.Ngf3 Bb7 9.0-0 Nbd7 10.e3 Rb8 11.d4 e6 12.c4 Qc7 13.Rc1 Qd8 14.Re1 a6 15.Nb3 Re8 (15...c5 16.Qe2=) 16.e4 Nh5 17.Rc2 Nhf6 (17...d5!?+=) 18.e5+/- de5 19.Ne5 (19.de5 Nh5+/-) 19...Ne5 (19...Qc7 20.c5+/-) 20.de5 (20.Re5?! a5=) 20...Qd1 21.Rd1 Ng4 22.Re2 c5 (22...Red8 23.Rd6+/-) 23.h3 Bg2 24.hg4?? (better is 24.Kg2 Nh6 25.bc5+-) 24...Bf3-+ 25.Rdd2 Be2 26.Re2 Red8 27.Kf1 Rd1 28.Kg2 Rbd8 29.bc5= bc5 30.Nc5 R1d2 31.Rd2 Rd2 32.Bc3 Rc2 33.Bb4 Rc4 34.Na6 Be5 35.Nc5 Bd6 36.Na6 Bb4 37.ab4 Kf8 38.Kf3 Ke7 39.Ke3 Kd6 40.g5 Kc6 41.Kd3 Rg4 42.Nc5 Rg5 43.Ke3 Rc5 44.bc5 Kc5 45.Ke4 Kd6 46.f4 h6 47.Kd4 f6 48.Ke4 h5 49.Kd4 e5 50.fe5 fe5 51.Ke4 Ke6 52.Kf3 Kf5 53.Ke3 g5 54.Kf3 e4 55.Ke3 h4 56.gh4 gh4 57.Kf2 Kg4 58.Ke3 h3 59.Ke4 h2 60.Ke3 h1Q 61.Kf2 Qh3 62.Kg1 Qa3 63.Kf2 Kf4 64.Kg1 Qa2 65.Kh1 Kg3 66.Kg1 Qg2# 0–1. golfx – apatralhado, kurnik, 2011.

7.Bg2 Qc7 8.Ngf3 Nbd7 9.0-0 e5 10.e3 a6 11.c4 Nb6 (11...Re8 12.Qc2=) 12.Qb3 (12.c5 dc5 13.Be5 Qe7 14.bc5 Qc5+/-) 12...Be6 13.Qc3 (13.Ng5 Bf5+=) 13...Rae8 (13...Na4 14.Qc2 Nb2 15.Qb2=+) 14.Ng5 (14.a4 h6=) 14...Bc8 (14...Na4 15.Qc2 Nb2 16.Qb2=) 15.Rae1 (15.a4 h6 16.Nge4 Ne4 17.de4 Be6=) 15...h6 16.Nge4 Ne4 17.Be4 Qd7 (17...Na4 18.Qc2 Nb2 19.Qb2=+) 18.Re2 (18.Qc2!?=) 18...d5 19.cd5 Nd5 (19...Na4 20.Qc2 cd5 21.Bg2=+) 20.Bd5 cd5=+ 21.Nf3?? Qd6 22.Rc1?? Bg4-+ 23.Kg2 Qd7 24.Rec2?? Qf5 25.Nh4 Bh3 26.Kg1 Qf6 27.f4 g5 28.fg5 hg5 29.Rf2 Qh6 30.Nf5= Bf5 31.Rf5 e4? 32.Qc2?? Bb2 33.Qb2+= Rd8 34.de4 de4 35.Rcf1 g4 36.Qf6?? Qe3?? 37.Kh1+- Kh7 1–0. golfx – czteryxlitery, kurnik, 2011.

7.Bg2 Nbd7 8.Ngf3 e5 9.0-0 Qc7 10.e3 a5 11.c3 ab4 12.ab4 Ra1 13.Qa1 b6 14.d4 ed4 15.Nd4 Bb7 16.N2f3 Ra8 17.Qb1 Ne5 18.Ne5 de5 19.Nf3 Ne4?? 20.c4?? Nd6 21.c5 Nc4= 22.Bc3 Na3 23.Qd3?? bc5 24.bc5 Nb5?? 25.Bb2? Ra2?? 26.Rb1?? Ba6?? 27.Qb3 Qa5?? 28.Ne5 Rb2?? 29.Qb2 Nc3 30.Qb8 Bf8 31.Nc6 Qa2 32.Ne7?? Kg7+= 33.Qe5 f6 34.Nf5 gf5 35.Qf5?? Nb1?? 36.Qd7?? Qf7-+ 37.Qg4 Kh8 38.h3 Bb7?? 39.Qb4?? Bg2-+ 40.Kg2 Qd5 (40...Qd5 41.e4 Qd3-+) 0–1. golfx – kgb158, kurnik, 2012.

7.Bg2 Nbd7 8.Ngf3 e5 9.0-0 Qe7 10.e3 Ne8 11.c4 f5 12.a4 g5 13.b5 g4 14.Nh4 Bf6?? (14...Nc5 15.Qc2+=) 15.d4 (better is 15.Nf5 Qd8 16.Qg4 Ng7 17.Nd6+-) 15...Bh4= 16.gh4 e4 17.bc6 bc6 18.d5 c5 19.Kh1 Qh4 20.Rg1 Ne5 21.Be5 de5 22.Qb3 Rf6 23.Qc3 Rh6 24.Nf1?? Qf6 25.Qa5 Bd7 26.Qc5 Ng7 27.Qc7 Be8 28.c5 Nh5 29.d6 Qe6 30.Rb1 Bd7? 31.Rb7 Nf6?? 32.Ra7 Ra7 33.Qa7 f4 34.ef4 ef4 35.Qb8 Kg7 36.a5 f3 37.Bf3 ef3 38.a6? Qe5?? 39.a7 Qh2?? 40.Nh2+- g3 41.fg3 Ng4 42.Qb2 Kf7 43.Qb3 Be6 44.Qb7 Kf6 45.Rg2! f2 46.Rf2! Nf2 47.Kg2 Bd5 48.Qd5 Rh2 49.Kh2 Ng4 50.Kg2 Ne3 51.Kh3 Nd5 52.a8Q h5 53.Qd5 (53.Qd5 h4 54.d7 Kg7 55.d8Q hg3 56.Qe7 Kg6 57.Qdg5#) 1–0. golfx – fre3, kurnik, 2012.

7.Bg2 Nbd7 8.Ngf3 Re8 9.0-0 e5 10.e3 Nf8 11.c4 Bg4 12.Qc2 Ne6 13.Ne4 Ne4 14.de4 Rc8 15.h3 Bf3 16.Bf3 Ng5 17.Bg2 Qd7 18.Kh2 h5 19.f4 (19.Rfd1!? Rcd8 20.c5+=) 19...ef4= 20.ef4 Nh7 (better is 20...Bb2!? 21.Qb2 Ne4=) 21.Bg7+/- Kg7 22.Rae1 d5 23.ed5 cd5 24.Bd5 Re1 25.Re1 Nf6 26.Qd3 Rd8 27.Qd4 b5 28.Re5 bc4 29.Re1?? Qd5-+ 30.Qa7 Qd2 31.Re2 Qe2 32.Kh1 Rd1 33.Qg1 Ne4 34.b5 Ng3# 0–1. golfx – hugobrasil, kurnik, 2011.

7.Bg2 e6 8.Ngf3 d5 9.0-0 Nbd7 10.e3 b6 11.c4 Bb7 12.cd5 cd5 13.Nb3 Rb8 14.Rc1 Rc8 15.Qd2 Rc1 16.Rc1 Qb8 17.d4 Rc8 18.Rc8 Qc8 19.Qc1 Qc1 20.Bc1 Ne4 21.Nfd2 Nd2 22.Bd2 Nf6 23.Kf1 Nd7 24.Ke2 e5 25.Bc3 ed4 26.Nd4+= a6 27.Kd2 b5 28.Nb3?? Bc3-+ 29.Kc3 Nf6?? 30.Kd4+- Ne4 31.Be4 de4 32.Nc5 Ba8? 33.Na6 f5 34.Nc7 Bc6 35.Kc5 Bb7 36.Nb5 Kf7 37.Nd6 Ke7 38.Nb7 Ke6 39.Nd6 Ke5 40.b5 g5 41.b6 f4 42.gf4 gf4+- 43.ef4 Kf4 44.Ne4! Ke4 45.b7 Kf3 46.b8Q Kf2 47.a4 (47.a4 Ke2 48.Qe5 Kd3 49.a5 h5 50.a6 Kc2 51.a7 h4 52.Qe2 Kc3 53.a8Q Kb3 54.Qd5 Kc3 55.Qed2#; 47.Qg3 Kf1 48.Kd4 Ke2 49.Qg2 Kd1 50.Kd3 h6 51.Qd2#) 1–0. golfx – apatralhado, kurnik, 2011.

6.g3 Nbd7

7.Bg2 a6 8.Ngf3 Rb8 9.0-0 b6 10.e3 c5 11.c3 Bb7 12.Nb3 Bd5 13.c4 Bb7 14.bc5 bc5 15.Na5?? (better is 15.Qc2=) 15...Qa5-+ 16.Qc2 Bc6 17.Bc3 Qa4 18.Qa4 Ba4 19.d4 Nh5 20.g4 Nhf6 21.h3 Ne4 22.Ba5 cd4 23.Nd4 Bd4 24.ed4 Nd2?? 25.Rfc1?? Nb3-+ 26.c5 Na5 27.cd6 ed6 28.Rc7 Nf6 29.Ra7 Bb5 30.a4 Bc6 31.Ra6 Bg2 32.Kg2 Nb3 33.Rd1 Ra8 34.Rd6 Ra4 35.d5 Ne4 36.Rb6 Nbc5 37.d6 Ra2 38.Rc6 Rf2 39.Kg1 Rd8 40.Rc1 Rd6 41.R6c5 Rdd2 42.Re5 Ng3 (42...Ng3 43.Re2 Rfe2 44.Rc8 Kg7 45.Rg8 Kg8 46.g5 Rg2#; 42...Rg2 43.Kf1 Rdf2 44.Ke1 Rg1#) 0–1. golfx – chesspirito, kurnik, 2012.

7.Bg2 a6 8.Ngf3 Rb8 9.0-0 c5 10.c3 b5 11.e3 Ne5 12.d4 Nc4 13.Nc4 bc4 14.e4 Ne4 15.Nh4? (15.Qe2 d5=+) 15...d5 16.dc5 Nc5 (16...Nc3?! 17.Qf3 d4 18.Bc3 dc3 19.Rac1=+) 17.Qd5 Na4 18.Qd8 (better is 18.Ra2!?-/+) 18...Rd8-+ 19.Ra2 (19.Bc1-+) 19...Bc3?? (better is 19...Rd2 20.Rb1 Bc3 (20...Nb2?! 21.Rab2 Bc3 22.Rd2 Bd2 23.Nf3-/+; 20...Rb2?! 21.Rab2 g5 22.Rd2=+) 21.Bc3 Ra2-+ (21...Nc3?! 22.Rd2 Nb1 23.Rc2-+)) 20.Bc3-/+ Nc3 21.Rc2 Nb5 22.a4 Na3?? 23.Rc3 Rb4 24.Ra3= Rb3 25.Rb3 cb3 26.Rb1 Be6 27.Bb7 a5 28.Bc6 Rd2 29.Nf3 Rc2 30.Nd4 Rd2? 31.Ne6+- fe6 32.Rb3 1–0. golfx – chesspirito, kurnik, 2012.

7.Bg2 Rb8 8.Ngf3 a6 9.0-0 e5 10.e4 Re8 11.c4 c6 12.Nb3 Nb6 13.a4 d5? (13...Nbd7 14.Qc2=) 14.c5 (14.Be5 de4 15.de4 Qd1 16.Rfd1 Ra8+/-) 14...Na8 (better is 14...Nbd7=) 15.Be5+/- de4 16.Bb8 ef3+/- 17.Qf3 Bg4=+ 18.Qf4 Qb8 19.Qb8 Rb8 20.d4 Nc7 21.Na5 Ncd5 22.b5 Be2?? 23.Rfe1+/- Nc3 24.Rac1 b6?? 25.Nc6+- Re8 26.Rc3 Ne4 27.Re3 Bd4 28.R3e2 (28.R3e2 Bc5 29.Be4 ab5 30.ab5+-) 1–0. golfx – chesspirito, kurnik, 2012.

7.Bg2 Rb8 8.Ngf3 c5 9.c3 a5 10.0-0 b6 11.b5 Ng4 12.a4 Nge5 13.Ne5 Ne5 14.Nf3 Bb7 15.e4 d5 16.Ne5 Be5 17.ed5 Bd5 18.f3 Qc7 19.d4 cd4 20.cd4 Bg7 21.Rc1 Qb7 22.Qd3 Rbc8 23.Rc8 Rc8 24.Rc1 Rc1 25.Bc1 Qc7 26.Qe3? e6 27.Qf4? e5?? 28.de5=+ Be5 29.Qd2 Bc3?? 30.Qd5+- Bb4 31.Be3 Qc3 32.Qd4 Qe1 33.Bf1 Bc5 34.Qd8 Kg7 35.Bc5 bc5 36.b6 Qe3 37.Kg2 c4 38.b7 c3 39.b8Q Qd2 40.Qd2 (40.Qd2 cd2 41.Qb2 f6 42.Qd2 g5 43.Qd7 Kg6 44.Bd3 f5 45.Bf5 Kf6 46.Qe6 Kg7 47.Qe7 Kg8 48.Be6 Kh8 49.Qf6#) 1–0. golfx – chesspirito, kurnik, 2012.

7.Bg2 Re8 8.e3 Nf8 9.Ne2 e5 10.0-0 Bg4 11.Bb7 Rb8 12.Bc6 Re7 13.b5 Bh3 14.Re1 d5 15.a4 Qd6? (better is 15...Bd7!? 16.Bd7 N8d7+/-) 16.d4 ed4 (16...Ng4 17.Nf3+-) 17.Bd4?? (17.Ba3 Qd8 18.Be7 Qe7 19.Nd4 Ne6+-) 17...Ne4? (better is 17...a6+/-) 18.Ne4+- de4 19.Nf4 Bd4 20.Qd4 Qd4 21.ed4 Bf5 22.Re3 Ne6 23.Ne6 Re6 24.Rae1 h5 25.Be4 Be4 26.Re4 Rbe8 27.Re6 Re6 28.Re6 fe6 29.Kg2 Kf7 30.Kf3 Kf6 31.Ke4 g5 32.f4 gf4 33.Kf4 (33.Kf4 Kg6 34.a5+-) 1–0. golfx – hugobrasil, kurnik, 2011.

6.g3 e5

7.Bg2 Nc6 8.e4 Be6 9.Ngf3 Qd7 10.Ng5 Bg4 11.f3 h6 12.fg4 hg5 13.h3 Nh7 14.0-0 f5 15.gf5 gf5 16.ef5 Rf5 17.Qh5 Rf1 18.Rf1 Qe8 19.Bd5 Kh8 20.Bf7 Qe7 21.Bg6 Bf8 22.Rf7 1-0. Zobbie (2520) - MaksLansky (2515), Rated bullet game, lichess.org, 2022.

7.Bg2 Nbd7 8.Ngf3 c6 9.0-0 Nb6 10.Rc1 Na4 11.Ba1 Bg4 (11...a5!?=) 12.c4+= b5 13.Qb3 (13.c5 Nd5+=) 13...Rb8 (13...a5 14.h3 Bd7 15.cb5 cb5 16.Qb1=) 14.e3 a5 15.e4 ab4 16.ab4 Nd7 (16...Bh6 17.Rc2 Be6 18.Qa3=) 17.Nb1 (17.cb5 cb5 18.d4 Be6+=) 17...Nab6 18.c5 (18.cb5!? cb5 19.Na3=) 18...dc5=+ 19.bc5 Na4 20.Nc3? (better is 20.Qb4=+) 20...Ndc5-+ 21.Qd1 Nc3?? 22.Rc3-/+ Ne6 23.Rc6 Nd4 24.Bd4=+ Bf3 25.Bf3 Qd4 26.Qb3 Rfd8 27.Rd1 Qa4 28.Qa4 ba4-/+ 29.Ra6 Rb4 30.Be2 Rdd4 31.Ra1=+ Rb2 32.Kf1 Rbb4 33.Ra5 f6 34.f3 Bf8 35.Kf2 Rb2 36.R5a4 Rd3 37.R4a2 Rdd2 38.Rb2 Rb2 39.Kf1 Kg7 40.Bc4 Kh6 41.Bd5 Bb4 42.Ra7 Bc3 43.h4 Rb1 44.Kg2 g5 45.hg5 fg5 46.Bg8 Rb2 47.Kh3 Bd4 48.Rh7 Kg6 49.Kg4 Rg2 50.Rb7 Bf2=+ 51.Bf7 Kg7 (51...Kg7 52.Kf5 Rg3 53.Bh5 Kh6+-). golfx – hugobrasil, kurnik, 2011.

7.Bg2 Qe7 8.Ngf3 c6 9.0-0 Nbd7 10.e4 Ne8 11.Nb3 f5 12.ef5 gf5 13.Nh4 Ndf6 14.c4 Kh8 15.Bc1 Rg8 16.Bg5 Qf7 17.Bf6 Bf6 18.Qf3? (18.Nf3 e4 19.de4 fe4=+) 18...Ng7 (better is 18...Bh4 19.gh4 f4-+) 19.Nf5? (better is 19.Rae1-/+) 19...Bf5-+ 20.Rad1 Qg6 21.d4 e4 22.Qf4 Rad8 23.Rfe1 Bg5 24.Be4 Bf4 25.Bf5 Nf5 26.d5 Be5 27.dc6 bc6 28.c5 Nh4 29.f4 Nf3 30.Kf2 Ne1 31.Re1 Bf4! 32.gf4 Qg2 33.Ke3 Rge8 34.Kd4 Re1 35.cd6 Qd5 36.Kc3 Re3 37.Kc2 Qb3 38.Kc1 Re1 39.Kd2 Qe3 40.Kc2 Rd6 41.f5 Rd2# 0–1. golfx – fre3, kurnik, 2012.

7.Bg2 c6

8.e3 Be6 9.Ne2 Nbd7 10.0-0 Re8 11.d4 Qc7 12.de5 de5 13.Nf3 Rad8 14.Qc1 Bf5 15.c4 a6 16.Qc3 Nh5 17.Qb3 Nhf6 18.Nh4 Be6 19.Qc3 a5 20.c5 Bd5 21.Nf3 Bf3 22.Bf3 Nd5 23.Bd5 cd5 24.Rad1 Nf8 25.Rd2 Ne6 26.Rfd1 d4 27.ed4 ed4 28.Qb3 ab4 29.ab4 Qe5 30.Qc4?? Qh5 31.Nd4 Ng5 32.Qe2?? Qe2 33.Re2 Re2 34.Ba1 Re4 35.f4 Ne6 36.Kf2 Nd4 37.b5 Re2 38.Kf1 Rh2 39.c6 bc6 40.bc6 Nc6 41.Bg7 Rd1# 0–1. golfx – juliannnn, kurnik, 2011.

8.Ngf3 Nbd7 9.0-0 Re8 10.Rc1 Qe7 11.Re1 d5 12.c4 h6 13.c5 Nh7 14.e4 f5? (14...d4 15.Nc4=) 15.Nb3?? (15.ed5 cd5 16.Ne5 Ne5 17.Be5 Be5+-) 15...Ng5? (better is 15...fe4 16.de4 d4=) 16.Ng5+- hg5 17.Na5?? (better is 17.ed5 cd5 18.Bd5 Kh7 19.Na5+-) 17...Kf7?? (17...fe4 18.de4 d4 19.Nc4+=) 18.Qd2 (18.ed5 cd5 19.Bd5 Kf8 20.Bb7 Bb7 21.Nb7 g4+-) 18...Rh8?? (18...fe4 19.de4 d4 20.Nc4+=) 19.Rc2 (19.ed5 g4 20.dc6 Bh6+-) 19...f4?? (better is 19...fe4!? 20.de4 d4+=) 20.d4 g4? 21.ed5 f3 22.Bh1 cd5 23.c6 b6 24.cd7 Bd7 25.Nc6 Bc6 26.Rc6 e4 27.Qf4 Bf6 28.Qg4 Rh5 29.Rec1 Rah8 30.h4 Bh4 31.gh4 Rh4 32.Qh4 Qh4-+ 33.Rc7 Kf6 34.R1c6 Kg5 (34...Kg5 35.Bc1 Kg4 36.Rg6 Kf5 37.Rg5 Kf6 38.Rc6 Ke7 39.Re5 Kd7-+) 0–1. golfx – davichess, kurnik, 2011.

8.Ngf3 Nbd7 9.0-0 Re8 10.e3 a5 11.c3 Qe7 12.Rb1 Nf8 13.Qb3 a4 14.Qc2 Be6 15.c4 b5 16.Rfe1 Rac8 17.Rbc1 Bf5 18.Ne4 N8d7 19.Nfd2 d5 20.cd5 cd5 21.Qc8 Rc8 22.Rc8 Bf8 23.Rec1?? de4-/+ 24.Ne4 Be4 25.de4 Kg7 26.Bh3? Qd6 27.Bd7? Qd7 28.Be5= Qd2 29.R1c6 Qe1?? 30.Kg2+- Be7 31.R8c7?? Bd8?? 32.Rd7+- Kh6? 33.Rd8 Ng4? 34.Bf4 Kg7 35.Rc2 g5 36.Bg5 Ne5 37.Rd6 Nc4 38.Bf6 Kg6 39.Bc3 Nd6 40.Be1 Ne4 41.Rc5! Nc5 42.bc5 Kf6 43.Bb4 Ke6 44.f4 Kd5 45.Kf3 f5 46.h3 h5 47.g4 hg4 48.hg4 (48.hg4 Kc4 49.c6 Kd5 50.c7 fg4 51.Kg4 Ke4 52.c8Q Kd3 53.Qc3 Ke2 54.Qd2 Kf1 55.Kf3 Kg1 56.Qg2#) 1–0. golfx – davichess, kurnik, 2011.

8.Ngf3 Nbd7 9.c4 Qe7 10.e3 Ne8 11.d4 f5 12.de5 de5 13.c5 e4 14.Bg7 Ng7 (14...ef3!? 15.Bf8 fg2 16.Qb3 Kf8-/+) 15.Nd4 Ne5 16.0-0 Nd3 17.Qb3 Be6 18.Ne6 Ne6 19.Nc4 Kg7 20.Nd6 (better is 20.f3!? Ng5 21.fe4 fe4 22.Nd6+/-) 20...b6= 21.Qc4? (better is 21.Ne4!? fe4 22.Be4 Nec5 23.Qc3 Qf6 24.Qf6 Rf6 25.bc5 Nc5 26.Bg2=) 21...bc5-/+ 22.bc5 Ndc5 23.Qc3-/+ Kh6 24.Nc4 Rad8 25.Ne5 Nd3 26.Nc6 Qg5?? 27.Nb4?? Rc8 28.Qd2 Ndc5 29.f3? Rcd8?? 30.Qe2= ef3 31.Qf3 a5 32.Nc6 Ne4?? 33.Rad1?? Nd2= 34.Qe2 Nf1 35.Rd8? Rd8?? 36.Nd8-/+ Nd8 37.Bf1 Ne6 38.Bg2 Qe7 39.e4 Ng5 40.ef5?? Qe2-+ 41.fg6 Qe1 42.Bf1 hg6 43.Kg2 Qd2 44.Kg1 Nf3 45.Kh1 Qh2# 0–1. golfx – fre3, kurnik, 2012.

8.Ngf3 Be6 9.0-0 Nbd7 10.c4 Qc7 11.e4 Rad8 12.d4 ed4 13.Bd4 Nb6 14.c5 dc5 15.bc5 Nc4 16.Nc4 Bc4 17.Re1 Ne8 18.Qc2 (better is 18.Rc1 Ba6 19.Qa4+=) 18...Bd4-/+ (< 18...Rd4 19.Nd4 Bd4 20.Rad1 Bc5 21.Qc4 Ba3 22.e5+=) 19.Qc4 Ba1 20.Ra1 Qa5 21.Qb4 Qc7 22.Rb1 (22.Qc4 Qe7 23.Rc1-+) 22...Rb8 23.Nd2 Nf6 24.Nc4 b6! 25.cb6 ab6 26.Nb6? Nd7-+ 27.Qa5 Nb6 28.e5 Nc4 29.Qc7-/+ Rb1 30.Bf1 Nd2 31.Qc6 Rf1 32.Kg2 Rb1 33.Qc2 Rfb8?? 34.Qd2+- R1b2 35.Qd6 Kg7 36.e6 fe6 37.Qe6 Rf8?? 38.Qe7 Rf7?? 39.Qe5 Kh6 40.Qb2 1–0. golfx – gala43, kurnik, 2012.

8.Ngf3 Re8 9.0-0 Nbd7 10.e4 Nb6 11.Re1 Na4 12.Bc1?? (better is 12.Qb1=+) 12...Nc3-+ 13.Qe2 Nd7 (better is 13...Ne2 14.Re2 a5-+) 14.Qe3= Nb6 15.d4 (15.Nb1 Nb1 16.Rb1 d5=) 15...Nba4 (better is 15...ed4!? 16.Qd3 f5-/+) 16.de5= de5 17.Nc4 b5 18.Na5 f5 19.Bd2 (19.ef5 e4 20.Nc6 Qd7-/+) 19...fe4 (better is 19...Ne4!? 20.c4 bc4 21.Nc4 Nd2 22.Nfd2 e4-/+) 20.Nh4+= Nd5 21.Qe4 Nb2? 22.Nc6+- Qd6 23.Na5 Rb8?? 24.Bc1 Na4? 25.c4 Ndc3 26.Qc2 bc4 27.Nc4 Qe6 28.Na5 Bd7 29.Bd2 Rbc8 30.Bc3 Nc3 31.Qb3 Qb3 32.Nb3 Ba4 33.Nc5 Bb5 34.Rac1 Ne2= 35.Kh1 Nd4?? 36.a4 Be2 37.Nd7 Rc1 38.Rc1 g5 (38...g5 39.Bd5 Kh8+=) 0–1. golfx – raulex, kurnik, 2012.

5.Nd2 Ne8

6.Qc1 a5 7.Ngf3 Nf6 8.g3 d5 9.Bg2 ab4 10.ab4 Ra1 11.Qa1 Nc6 (11...Qd6 12.b5=) 12.b5+= Nb8 13.0-0 c6 (13...Nbd7 14.c4+=) 14.c4 (14.Qa8 Nfd7 15.Bg7 Kg7+=) 14...Be6 15.bc6 bc6 16.Nd4 Bd7 17.cd5 cd5 18.Rc1 e6 19.N2f3 Ne8? (19...Re8 20.Ne5+=) 20.Nc2 (better 20.Ba3!?+-) 20...Bb2 21.Qb2 Nc6 22.h4 (22.e4 Nf6+=) 22...Qf6 23.Qb7 Qd8 (23...Qe7 24.Ncd4 Nd4 25.Nd4=) 24.Ncd4 Nd4 25.Nd4 Nd6 26.Qa6 Nf5 (26...Qb8 27.Qa5=) 27.Nf5+= gf5 28.Qa7 Bb5 29.Qd4 Qe7 30.Rc5 Rb8 31.h5 Be8 32.Qf4 Qc5 33.Qb8 Kf8 34.Qf4 Qc3 35.Bf3 Qf6 36.Kg2 Bc6?? (36...Kg7 37.Qd6+=) 37.d4 (better 37.Qd6!? Kg7 38.Qc6 f4+-) 37...h6?? (37...Kg7 38.Kf1+=) 38.e3?? (better 38.Qd6 Kg7 39.Qc6 Qd4 40.e3+-) 38...Kg7+= 39.Qd6 (39.Be2 Ba4+=) 39...Be8 (39...Bb5 40.Qb8 Bd3 41.Kg1+=) 40.Qf4 Qg5 (40...Bc6 41.Be2+=) 41.Be2 Qf4 42.ef4 Kf6 43.Ba6 (43.Bd3 Ke7=) 43...Ke7 44.Kf3 (44.f3 f6 45.g4 fg4 46.fg4 e5=) 44...f6=+ 45.Ke3 (45.g4 fg4 46.Kg4 Ba4=+) 45...Bh5-/+ 46.Bb5 Bf7 47.Bd3 Kd6 48.Bf5? (better 48.Be2-/+) 48...ef5-+ 49.g4 (49.Kf3-+) 49...Bg6 (49...fg4!? 50.f5-+) 50.gf5 (50.f3 fg4 51.fg4 Kc6-+) 50...Bf5 51.f3 Ke6 52.Kf2 Kf7 53.Kg3 Kg6 54.Kh4 Be4! 55.Kg3 (55.fe4 de4 Passed pawn) 55...Bd3 (55...Kf5 56.Kh4 Bf3 57.Kg3-+) 56.Kh4 Bc4 57.Kg3 Bb3 58.Kh4 Ba2 (58...Bd1 59.f5 Kf5 60.Kg3 Bf3 61.Kf3-+) 59.Kg3 Bb1 60.Kh4 Bc2 61.Kg3 Bd1 62.Kh4 Bf3 63.Kg3 Be4 64.Kh4 (64.Kg4 Bd3 65.Kh4-+) 64...Kf5 65.Kg3 Bd3 (better 65...h5 66.Kh4-+) 66.Kh4 Kf4 (66...Kf4 67.Kh3 Ke3 68.Kh2 f5 69.Kg2 f4 70.Kh1 f3 71.Kg1 f2 72.Kg2 f1Q 73.Kg3 Qf4 74.Kg2 Qf2 75.Kh3 Bf5) 0-1. Zobbie (2595) - babyfrenchcrying (2590), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Qc1 Bb2 7.Qb2 d5 8.g3 Nc6 9.h4 e5 10.b5 Nd4 11.e3 Nf5 12.Qe5 Ned6 13.h5 Re8 14.Qb2 d4 15.e4 Ng3 16.fg3 Qg5 17.Ne2 Nb5 18.Nf3 Qc5 19.Nfd4 Nd4 20.Qd4 Qa5 21.Kf2 Be6 22.h6 f6 23.Kg1 Rf8 24.Nf4 Rae8 25.Qb4 Qe5 26.Bh3 Qa1 27.Kh2 Qe5 28.Be6 Re6 29.Ne6 Qe6 30.Qb7 Qa2 31.Qc7 Qf7 32.Qc5 Qd7 33.Rb1 Rc8 34.Qb4 Rc2 35.Kg1 Rc8 36.Qb3 Qf7 37.Qd5 Qd5 38.ed5 Rd8 39.Rb7 Rd5 40.Ra7 Rd3 41.Rg7 Kh8 42.Rf7 Kg8 43.Rg7 Kf8 44.Kg2 Ra3 45.Rh7 Ra2 46.Kh3 Rd2 47.Rh8 Kf7 48.Rh7 Kg8 49.Rg7 Kh8 50.Rg6 Rf2 51.Kh4 Rf1 52.Kg4 Rh1 53.Rf6 Rh6 54.Rh6 Kg7 55.Rh5 Kf7 56.Rg5 Ke7 57.Kf5 Kd7 58.Rg6 Kc7 59.g4 Kc8 60.Re6 1-0. Zobbie (2525) - I_aM_The_BulleT (2695), Rated bullet game, lichess.org, 2021.

6.Qc1 c5 7.Ngf3 (7.bc5 e5 8.Ngf3+=) 7...a5 (7...cb4 8.Bg7 Ng7 9.ab4+=) 8.b5 (better 8.Bg7!? Kg7 9.bc5+/-) 8...b6 9.a4 d5 10.g3 f6 11.Bg2 e5 12.0-0 Be6 13.e4 d4 14.c3 Nd7 15.cd4 cd4 16.Ba3 Rf7 (16...Rc8 17.Qd1 Rf7 18.Rc1=+) 17.Qb2 (17.Qc6!? Nf8 18.Bf8=) 17...Bf8=+ 18.Rac1 Nc5 (18...Bb4 19.Bb4 ab4 20.Qb4-/+) 19.Bc5= Bc5 20.Nb3 (20.Nc4 Nd6 21.Nfd2 Rc8=+) 20...Bb4 21.Nfd2 Bc3 22.Rc3? (better 22.Qa3-/+) 22...dc3-+ 23.Qc3 Rc8 24.Nc4 Bc4?? (better 24...Rd7 25.Nc1 Nd6-+) 25.dc4=+ Rfc7 (25...Nd6 26.c5=) 26.c5= bc5 27.Na5 (worse 27.Qa5 c4 28.Na1 c3-/+) 27...Qd4 28.Qc2 Ra8 (28...Nd6 29.b6 Qb4 30.bc7 Qa5 31.Rd1 Qc7 32.Bh3=) 29.Nc4+= Nd6 (29...Rd8 30.a5+=) 30.Nb6+/- Rb8 Black prepares the advance c4 31.Rd1 Rb6 32.Rd4 ed4 33.Bh3 (33.f4 c4+/-) 33...Kf7 34.f4 c4 35.e5 d3?? (35...Nb5 36.ab5 Rb5+/-) 36.Qf2+- Ne4?? (36...d2 37.Bg4 Ne8 38.Qb6 c3+-) 37.Qb6 Re7 38.Qd4 (better 38.e6 Kf8 39.Qb8 Re8+-) 38...d2 39.Qc4 (39.Qe4?! d1Q 40.Bf1 fe5 41.Qc4 Kg7 42.fe5 Qe1+/-) 39...Kg7 40.Qd3 (40.Qd4!? f5+-) 40…Rc7 (40...Rc7 41.ef6 Kf6+-). Zobbie (2635) - deribasyosya (2725), Rated bullet game, lichess.org, 2024.

6.Qc1 c6 7.Ngf3 d5 8.g3 Nd7 9.Bg2 e6 10.0-0 Bb2 11.Qb2 Qf6 12.Rab1 Qb2 13.Rb2 b5 14.c4 dc4 15.dc4 a6 16.Rc1 Rb8 17.Rbc2 Bb7 18.Nb3 Nef6 19.Na5 Ba8 20.h3 Kg7 21.c5 Nd5 22.Rd2 f5 23.Ng5 Rfe8 24.e4 fe4 25.Ne4 N7f6 26.Nd6 Re7 27.Re1 Ne8 28.Ne4 Nef6 29.Ng5 Rbe8 30.Rde2 h6 31.Ne6 Re6 32.Re6 Rd8 33.Rd6 Rc8 34.Bd5 cd5 35.Re7 Kf8 36.Ra7 Ne4 37.Rg6 d4 38.Rh6 Kg8 39.Rg6 Kf8 40.Rga6 Bd5 41.Nb7 d3 42.Nd6 Nd6 43.cd6 d2 44.Kh2 d1Q 45.g4 Qf3 0-1. Zobbie (2500) - Eagle_127 (2550), Rated bullet game, lichess.org, 2022.

6.Qc1 d5 7.g3 b6 8.Bg2 Bb7 9.Ngf3 Nd7 10.0-0 Rb8 11.c4 c5 12.e3 dc4 13.Nc4 Nd6 14.Bg7 Kg7 15.Rd1 Qc7 16.Qb2 Nf6 17.Rac1 Nc4 18.Rc4 Ba6 19.Rf4 cb4 20.ab4 Rfd8 21.g4 h6 22.h4 Kg8 23.g5 Nd5 24.gh6 Nf4 25.Qg7 1-0. Zobbie (2525) - hmm_123 (2615), Rated bullet game, lichess.org, 2023.

6.Qc1 e5 7.Ngf3 d6 8.e3=.

6.Qc1 e5 7.Ngf3 d6 8.g3 c6 9.Bg2 a5 10.0-0 ab4 11.ab4 Ra1 12.Qa1 Na6 13.c3 Be6 14.h4 (14.Qa5 Qe7=) 14...Nec7 15.Ng5 Bd7 16.Nde4 (16.Qa5!?=) 16...h6 17.Nf3 Qe7 18.Qa5 f5 19.Ned2 Ra8 (19...e4 20.Ne1-/+) 20.Qa2 (20.Qb6 Bc8 21.e4 d5=+) 20...Be6 (20...d5 21.Qb3-/+) 21.Qb1 Nb8 22.Nc4 Nd7 23.Na5 Rb8 24.Nd2 Bd5 25.e4 Be6 26.ef5 gf5 27.Re1 Kh8 28.Nf3 Nf6 (28...Nd5 29.Ba1=) 29.Qc1 Bd5 (29...Na6 30.Qe3=+) 30.c4 Bf3 31.Bf3 Qf7 (31...Na6 32.Bc3=) 32.Bg2 (32.c5 Nd7+=) 32...Ne6 (32...Na6 33.Bc3+=) 33.b5 (33.c5!? Qf8 34.Nc4 dc5 35.Ne5+-) 33...cb5 34.cb5 Nc5 35.Qd1 Ng4 36.d4 ed4 (36...Qa2!? 37.dc5 Qb2=) 37.Bd4+/- Rg8? (37...Ne5!?+/-) 38.Bg7 (better 38.Bd5! Qf8 39.Bg8 Kg8 40.Bg7 Kg7+-) 38...Qg7 39.Qd6 Qc3 40.Re7?? (better 40.Rf1 Ne4 41.Qb6+-) 40...Nd3?? (40...Ne4 41.Qf4 (41.Be4?? Qe1 42.Kg2 Qf2 43.Kh1 Qf1) 41...Ng3 42.fg3 Qc5 43.Kh1 Qe7 44.Nb7-/+) 41.Qe6?? (better 41.Qd7 Nf6 42.Qf5+-) 41...Qg7?? (41...Qc1 42.Bf1 Qc5-+) 42.Qf5 (better 42.Rg7 Rg7 43.Qc8 Rg8 44.Qc3 Nge5 45.Bf1+-) 42...Qg6?? (better 42...Qe7 43.Qd3 Qe1 44.Qf1 Qa5 45.Bb7 Re8-+) 43.Qg6+- Rg6 44.Re8 (44.Nb7?! Ngf2 45.Na5 Nd1+-; 44.Bb7?! Ngf2 45.Kg2 Rg4+-; worse 44.Rb7 Ndf2 45.b6 Rd6 46.Rb8 Kg7+-) 44...Kh7 (44...Rg8 45.Rg8 Kg8 46.Bb7 Nge5+-) 45.Re7 Rg7?? (45...Kh8 46.Be4 Rd6 47.Nb7 Rd4+-) 46.Re6 (46.Re6 Ngf2 47.Re3+- (47.Nb7?! Rg3 48.Re7 Kg6+-; 47.Bb7?! Rg3 48.Kf1 Rg4+/-)) 1-0. Zobbie (2510) - OneAndAHalph (2550), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Qc1 e5 7.g3 d6 8.Bg2 a5 9.Ngf3 Nc6 10.b5 Ne7 11.0-0 Bd7 12.a4 Qc8 13.Re1 Bh3 14.Bh1 h5 15.Ng5 Bd7 16.c3 f6 17.Ngf3 Bh6 18.Qc2 Kh7 19.Nc4 Ng7 20.Qb3 Be6 21.Qc2 Nef5 22.e4 Ne7 23.Ne3 f5 24.Bc1 f4 25.Nf1 g5 26.h4 g4 27.Ng5 Bg5 28.hg5 Ng6 29.d4 Qd8 30.de5 de5 31.Ba3 Rf7 32.Rad1 Qg5 33.Rd5 Bd5 34.ed5 fg3 35.Ng3 h4 36.Ne4 Qf4 37.Bc1 Nf5 38.Bf4 Nf4 39.Ng5 Kg6 40.Nf7 Nh3 41.Kf1 Rf8 42.Be4 Kf7 43.Ke2 Ne7 44.d6 cd6 45.Qb3 Kf6 46.Rd1 Nf5 47.Rd6 Nd6 48.Qd5 Ne4 49.Qe4 Ke6 50.Qg6 Rf6 51.Qg4 Rf5 52.Qh3 e4 53.Qg4 Ke5 54.Qg6 Kf4 55.Qg7 1-0. Zobbie (2560) - GildardoGarcia (2530), Rated bullet game, lichess.org, 2024.

6.Ngf3 Bb2 7.Rb1 Bg7 8.g3 Nc6 9.Bg2 d6 10.0-0 e5 11.b5 Ne7 12.Ne4 f5 13.Nc3 h6 14.Qd2 Be6 15.Ne1 c6 16.bc6 bc6 17.e3 Rb8 18.Rb8 Qb8 19.d4 e4 20.Ne2 Bc4 21.f3 d5 22.fe4 fe4 23.Rf8 Bf8 24.Nf4 Ng7 25.h4 Ngf5 26.Kh2 g5 27.hg5 hg5 28.Ne6 Qg3 29.Kg1 Ne3 30.Qf2 Qf2 31.Kf2 Ng2 32.Ng2 Bh6 33.Ne3 Kf7 34.Nd8 Ke8 35.Nb7 Bg7 36.c3 Bd3 37.Na5 Kd7 38.Nb3 Ke6 39.Nc5 Kd6 40.Nb7 Kc7 41.Nc5 Ng6 42.Nf5 Bf8 43.Ne6 Kd7 44.Ng5 Ba3 45.Ke3 Bc1 46.Kf2 Bg5 47.Ng3 Bh4 48.Kg2 Bg3 49.Kg3 a5 50.Kf2 a4 51.Ke3 a3 52.Kd2 a2 53.Ke3 a1Q 54.Kf2 Qc3 55.Kg3 Qd4 0-1. Zobbie (2585) - ChickpeaPuffs (2505), Rated bullet game, lichess.org, 2019.

6.Bg7 Ng7 7.c4 d5 8.Ngf3 c6 9.e3 Nd7 10.Be2 e5 11.Qb3 f5? (better 11...dc4 12.dc4 Qe7+=) 12.cd5+- e4?? (better 12...c5+-) 13.dc6 Kh8 14.cd7 Bd7 15.de4 fe4 16.Ne4 Be6 (16...Qe7 17.Nc5+-) 17.Qb2 Bd5 (17...Qe7 18.Qe5+-) 18.Rd1 Be4 19.Rd8 Rad8 20.0-0 Kg8 (20...h6 21.Rc1 Rc8 22.Ne5+-) 21.Bc4 Kh8 22.Ng5 Bd5 23.Bd5 Rd5 24.Ne6 Rf7 (24...Rg8 25.Rc1 Rd7 26.e4+-) 25.Rc1 (25.Qc3 h6 26.e4 Rd6 27.Qc8 Kh7 28.Nf8 Kg8 29.Ng6 Kh7+-) 25...h6 26.h4 (26.Rc8 Kh7 27.g4 Rdd7+-) 26...Kh7 27.Ng7 (27.Rc8 Rd1 28.Kh2 Rd5+-) 27...Rg7 28.Rc8 g5 (28...Rd1 29.Kh2 Rdd7 30.Qf6+-) 29.Qf6 (29.Qc2 Rg6 30.Rc7 Kh8 31.Qg6 Rd1 32.Kh2 Rh1 33.Kh1 gh4 34.Qe8) 29...gh4+- 30.e4 (30.Qh4!? Rd1 31.Kh2 Rd6+-) 30...Rdg5 31.Kf1 (31.Kh2 Rg2 32.Kh3 R2g5+-) 31...Rg2 32.Qf5 R2g6 33.e5 h5 (33...a6+-) 34.e6 Re7 Plans Re8 35.Rh8! Kg7 (35...Kh8 36.Qf8 Double attack (36.Qg6 Deflection)) 36.Rg8! Kg8 37.Qg6 Rg7 38.Qe8 Kh7 39.e7 Kh6 40.Qh8 Kg6 41.e8Q Rf7 (41...Kf5 42.Qhh5 Kf4 43.Qee5) 42.Qhg8 (42.Qe6 Kg5 43.Qhh6) 42...Kf6 43.Qgf7 Kg5 44.Qeg8 Kh6 45.Qfh7 (45.Qe6) 1-0. opperwezen (2645) - rafurni (2050), lichess.org, 2017.

6.Bg7 Ng7 7.Ngf3 d5+=.

6.Bg7 Ng7 7.Ngf3 d6=.

6.Bg7 Ng7 7.Ngf3 Ne6+=.

5.Nd2 Nh5

6.Qc1 b6 7.Ngf3 Bb7 8.g3 Bb2 9.Qb2 Ng7 10.Bg2 Bf3 11.Bf3 c6 12.0-0 d5 13.e4 e6 14.Rfe1 Nd7 15.Bg2 Qc7 16.Rac1 Rac8 17.c4 White plans b5 17...dc4 18.Nc4 c5 19.b5 Rfd8 20.h4 (20.e5 Nf5+=) 20...h5 (20...f6 21.Bh3=) 21.Qd2 (21.Red1 e5+=) 21...Ne8 (21...Ne5 22.Ne5 Qe5 23.Red1=) 22.Qh6 (better 22.e5!?+=) 22...Nd6=+ 23.Ne3 (better 23.a4 Nc4 24.dc4=+ (worse 24.Rc4 Ne5-/+)) 23...Nf6?? (better 23...Nb5 24.Nc4 Nd4-+) 24.e5+- Ng4 (24...Nde8 25.ef6 Nf6 26.Nc4+-) 25.Ng4 (25.ed6?! Nh6 26.dc7 Rd3+-) 25...hg4 26.ed6 Qd6 27.h5 Qd3 28.Be4 (better 28.hg6!? Qg6 29.Qg6 fg6 30.Re6 Kf7+-) 28...Qd2 29.Qd2 Rd2 30.hg6 f5 31.Bc6 Kg7 (31...Rd6+-) 32.Re6 Rcd8 33.Kg2 R8d6 34.Re7 Kg6 35.Be8 (35.Ra7 Ra2+-) 35...Kf6 36.Rce1 Ra2 (36...Rd1 37.Rf7 Kg5+-) 37.Rf7 Kg5 38.Rg7 Kh6 39.Rg8 (better 39.Ree7 Ra3 40.Rh7 Kg5 41.Reg7 Kf6 42.Rg6 Ke5 43.Re7 Kd5 44.Bf7 Kd4 45.Rd6 Kc3+-) 39...Rdd2 (39...Kh7 40.Rg5 Ra3 41.Re7 Kh8+-) 40.Rh1 1-0. Zobbie (2640) - ChessNoob001 (2520), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Qc1 d5 7.g3 Nd7 8.Bg2 e6 9.Ngf3 c5 10.0-0 cb4 (10...Nhf6 11.c4=) 11.ab4 b6 12.c4 Bb7 13.Bg7 Ng7 14.c5 Bc6 (14...bc5!? 15.bc5 e5+=) 15.Nd4+/- Rc8 (15...Nb8 16.b5 Be8 17.e4 bc5 18.Qc5+/-) 16.Nc6 (16.Ra7!? bc5 17.bc5+-) 16...Rc6+= 17.d4 bc5 18.dc5 Qb8 19.Qc3 Nf5 20.Nb3 e5? (20...Rc7 21.e4 Ne7 22.Rfd1+/-) 21.e4 (better 21.Bd5!? Rc7 22.e4+-) 21...d4+/- 22.Qc4 Ne7 23.b5 Rcc8 24.c6 Nb6 25.Qb4 Rfe8 26.Qa5?? (26.Nc5 Nc6 27.bc6 Rc6+-) 26...Rc7?? (better 26...Nc4 27.Qa4 Nd6-/+) 27.Nc5+- Nc4 (27...Qc8!? 28.Rfc1 Qg4 29.Nd7+-) 28.Qb4 Nb6 (28...Nc6 29.Qc4 Nd8 30.Na6 Rc4 31.Nb8+-) 29.Na6 Qc8 (29...Qd8 30.Nc7 Qc7 31.f4+-) 30.Nc7 (30.Qd6!? Rc6 31.bc6 Nc6+-) 30...Qc7 31.Ra6 Nec8 32.Bh3 Rd8 33.Rfa1 d3 34.Rd1 h5 (34...Rd4 35.Qb1 Na4 36.Bc8 Nc3+-) 35.Qc3 Qe7 (35...Rd4 36.Bc8 Qc8 37.Ra7+-) 36.Rd3 Rd3 37.Qd3 Qb4 (37...Kg7 38.Bc8 Nc8 39.Qd7+-) 38.Bc8 Nc8 39.Qd8 Kg7 40.Qc8 Qe1 41.Kg2 Qe4 42.Kf1 (better 42.Kh3 Qb1 43.c7 Qf1 44.Kh4 Qf2 45.Qh3 Qd4 46.g4 hg4 47.Qg3+- (47.Qg4?! Qf2 48.Qg3 Qe2+-)) 42...Qb1= 43.Ke2 Qc2 44.Ke3 Qc3 45.Ke2 Qc2 46.Ke1 Qc1 47.Ke2 Qc2 ½-½. Zobbie (2600) - Kikoff2017 (2585), Rated bullet game, lichess.org, 2023. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Qc1 d5 7.g3 e5 8.Bg2 c6 9.Ngf3 Nd7 10.0-0 f5 11.e4 d4 12.c3 dc3 13.Qc3 f4 14.d4 ed4 15.Nd4 Ne5 16.Qb3 Kh8 17.Rad1 Qe7 18.N2f3 Bg4 19.Ne5 Bd1 20.Rd1 Be5 21.Ne6 Bb2 22.Qb2 Rf6 23.Ng5 Kg8 24.e5 Rf5 25.Nf3 fg3 26.hg3 Raf8 27.Rd3 Ng7 28.Nd4 Re5 29.Qb3 Kh8 30.Nf3 Ref5 31.Re3 Qf7 32.Qc3 Kg8 33.Ne5 Qf6 34.Qc4 Ne6 35.Nd7 Qg5 36.Qe6 Kg7 37.Nf8 Qf6 38.Qf6 Kh6 39.Nd7 Rf6 40.Nf6 Kg7 0-1. Zobbie (2505) - OnPhone (2555), Rated bullet game, lichess.org, 2023.

6.Qc1 e5 7.e4 d5 8.Ngf3 Nc6 9.g3 Nd4 10.Bg2 c6 11.0-0?? (better 11.Nd4 ed4 12.0-0 de4 13.de4=) 11...Ne2-+ 12.Kh1 Nc1 13.Rac1 d4 0-1. Zobbie (2550) - Urkis (2705), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Qc1 e5 7.Ngf3 d6 8.g3 a5 9.Bg2=.

6.Qc1 e5 7.Ngf3 d6 8.g3 b6 9.Bg2 Bb7 10.0-0 Nd7 11.e4 Rb8 12.Re1 f5 13.d4 (13.ef5 A) worse 13...Rf5 14.g4 Rf3 15.Bf3+/- (15.Nf3?! Nf4=); B) 13...gf5 14.Qd1 Nhf6+=) 13...fe4 14.Ne4 ed4 (14...d5!? 15.Neg5 e4=) 15.Nd4+= Ne5? (better 15...Re8+=) 16.Ne6+- Qf6?? (better 16...Qd7 17.Nf8 Rf8+-) 17.Nf6 Rf6 18.Ng7 Ng7 19.f4 1-0. Zobbie (2615) - smt1984 (2610), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Qc1 e5 7.Ngf3 d6 8.g3 c6 9.Bg2 Be6 10.0-0 Nd7 11.Ne4 Nb6 12.Neg5 (12.c4 Na4=) 12...Bd5 (12...Na4 13.Ne6 fe6 14.c3=) 13.e4 Be6 14.Ne6 fe6 15.Qd2 d5? (15...Na4 16.Bc1=) 16.Rad1 (better 16.ed5!? e4 17.Nd4 Qd5 18.de4+/-) 16...d4+= 17.c3 Rc8 (17...Qd6 18.Rfe1 dc3 19.Bc3+=) 18.cd4+/- ed4 19.e5 c5 (19...Na4!?+/-) 20.bc5+- Rc5 21.Nd4 Be5?? (better 21...Qd7 22.f4 Nd5+-) 22.Ne6 Qe7 23.Nc5 Bb2 24.Qb2 (better 24.d4 Nc4 25.Bd5 Kh8 26.Bc4 Ba3+-) 24...Qc5 25.Bb7 Nd5 (25...Nf6 26.Rfe1+-) 26.Qe5 Nhf6 27.Rc1 Qb5 28.Bc6 Qa5 29.Rc4 Qd8 (29...Rf7+-) 30.Rd4 Qc7 31.Bd5 Nd5 32.Qd5 Kg7 33.Qd7 (33.Rb1 Rf7+-) 33...Rf7 34.Qc7 Rc7 35.Re1 Re7 (35...Kh6+-) 36.Re7 Kf6 37.Ree4 (better 37.Rh7 Ke6 38.Ra7 Ke5 39.Rad7 Kf6 40.R4d6 Kf5 41.Rf7 Kg4 42.h3 Kg5 43.f4 Kh6 44.a4 Kh5 45.Rh7) 37...Kf5 38.Rd5 (38.Rd6 Kg5 39.h4 Kh5 40.Rd5 Kh6 41.Rd7 g5 42.g4 gh4 43.f4 h3 44.Re6) 38...Kf6+- 39.h4 h5 40.Rg5 Kg7 41.Ra4 Kf6 (41...a5 42.Rga5 Kf7 43.Ra7 Ke6 44.R7a6 Ke7 45.Rg6 Kf7 46.Rb6 Ke8 47.Ra7 Kd8 48.Rb8) 42.Ra6 Ke7 43.Rgg6 Kf7 44.Rh6 (44.f4 Ke7 45.Ra7 Kf8 46.f5 Ke8 47.Rg8) 44...Kg7 45.Rag6 (45.Rhc6 Kf8 46.Ra7 Ke8 47.Rc8) 45...Kf7 46.Rf6 Ke7 47.g4 (47.Ra6 Kf7 48.Ra7 Kg8 49.d4 Kf8 50.Rh8) 47...a5 (47...Ke8 48.Ra6 Kf7 49.Ra7 Kg8 50.gh5 Kf8 51.Rh8) 48.Rfg6 (48.Ra6 hg4 49.Rh7 Kd8 50.Ra8) 48…a4 (48...a4 49.Rh7 Kf8 50.gh5 Ke8 51.Rg8; 48...Kf7 49.Ra6 Kg7 50.Rhc6 Kh8 51.Rc7 hg4 52.Ra8). Zobbie (2530) - biqshaq007 (2515), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Qc1 Nf6 7.g3 a5 8.Bg2 a4 9.c4 d5 10.Ngf3 dc4 11.Nc4 Nc6 12.0-0 Bg4 13.h3 Be6 14.Ng5 Qc8 15.Ne6 Qe6 16.b5 Na5 17.Qe3 Nc4 18.Qe6 fe6 19.dc4 Rab8 20.Rad1 b6 21.Be5 Rbc8 22.f4 Rfd8 23.Kf2 Rd1 24.Rd1 Ne8 25.Bc6 Be5 26.fe5 Ng7 27.e4 Rf8 28.Kg2 h5 29.Rd7 h4 30.Re7 hg3 31.Kg3 Nh5 32.Kg4 Rf4 33.Kg5 Kf8 34.Rc7 Rf1 35.Kg6 Nf4 36.Kg5 Nh3 37.Kg4 Nf2 38.Kf3 Nd3 39.Ke2 Ra1 40.Kd3 Ra3 41.Kd4 Ra1 42.Ra7 a3 43.c5 a2 44.cb6 Rd1 45.Ke3 Re1 46.Kd2 Rb1 47.Ra2 Kg7 48.b7 Rh1 49.Kc3 Rh2 50.Rh2 Kg6 51.Rd2 Kg5 52.Rf2 Kg4 53.b8Q Kg3 54.Qf8 Kh4 55.Bd5 Kh3 56.Qf3 Kh4 57.Rg2 ed5 58.Qg4 1-0. Zobbie (2540) - alichess23 (2675), Rated bullet game, lichess.org, 2021.

4.d3 b6

5.Nd2 Bb7 6.Ngf3 0-0 7.g3 c5 8.Bg2 d5 9.0-0 Nbd7 10.Re1 Re8 11.e4 (11.c4 dc4 12.dc4 Qc7=) 11...de4=+ 12.de4 cb4 13.ab4 a5 (13...Ne4 14.Bg7 Nd2 15.Qd2 Bf3 16.Bh3=+) 14.c3 (14.e5 Nd5 15.ba5 ba5+=) 14...Bc6 Black intends a4 (14...ab4 15.cb4 Ra1 16.Qa1=) 15.Qb3 (15.e5 Nh5+=) 15...a4= 16.Qc2 b5 17.c4 bc4 18.Nc4 Bb5 19.Na5 Rc8 20.Qd1 Nb6 21.Nb7 (21.Qd8!? Red8 22.Nd4+=) 21...Qd1=+ 22.Rad1 Nc4 23.Ba1 Ng4 24.Bg7 Kg7 25.e5 (25.Nd4 Bd7+=) 25...a3 (25...Bc6 26.Nc5 Bf3 27.Bf3 Nge5 28.Bd5-/+) 26.h3 (26.e6!?=) 26...Bc6=+ 27.Na5 (27.e6!? Bb7 28.ef7=+) 27...Bf3-/+ 28.Bf3 Nge5 29.Bg2 Na5 (better 29...Nb2!? 30.Ra1 Ned3-+) 30.ba5= Nc4 31.a6 Rc5 32.a7 (32.Rc1 a2 33.Rc2 Ra5=) 32...Ra5=+ 33.a8Q (33.Rd7 Nb6 34.Rc7 e6-/+) 33...Rea8 (33...Raa8 34.Ba8 Ra8 35.Re7=+) 34.Ba8=+ Ra8 35.Re7 Ra4 (35...Kf6 36.Rdd7 Ne5 37.Ra7+=) 36.Ra1 Kf6 37.Rc7 h5 38.Rc4 Rc4 39.Ra3 Rc6 40.Rf3 Kg7 41.Kg2 Rf6 42.Re3 Rd6 43.Rf3 Rb6 44.h4 Rd6 45.Re3 Rc6 46.Re4 Ra6 47.Rf4 Ra3 48.Rf3 Ra4 49.Rf4? (49.Rc3 Kf6=) 49...Ra6?? (better 49...Rf4 50.gf4 Kf6-+) 50.Rf3 Rd6 51.Re3 Rd8 52.Rf3 Rg8 53.Re3 Rh8 54.Rf3 Rf8 55.Re3 Rg8 56.Rf3 Rh8 57.Rf4 Rd8 58.Rd4?? (better 58.Kf3=) 58...Rd4-+ 59.Kf3 Rb4 60.Kg2 g5! 61.Kh3 (61.hg5 Rg4 Decoy) 61...gh4 62.gh4 Kg6 63.Kg3 Kf5 64.f3 Rb3 65.Kg2 (65.Kf2 Kf4 66.Ke2 Rf3-+) 65...Ra3 (65...Kf4 66.Kh1 Kg3 67.Kg1 Rb1) 66.Kg3-+ Ke5 67.Kg2 Kf4 (67...Kf4 68.Kf2 Re3 69.Kg2 Rf3 70.Kg1 Kg3 71.Kh1 Rf1) 0-1. Zobbie (2615) - zsolti_83 (2675), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Nd2 Bb7 6.Ngf3 Nc6 7.g3 d5 8.Bg2 0-0 9.0-0 Re8 10.c4 d4? (10...a6 11.cd5 Nd5 12.d4=) 11.Nb3 (11.Nd4 Qd7+/-) 11...Ng4 12.b5 Nce5 13.Ne5 Bg2 14.Kg2 Ne5 15.Bd4 c5 16.Bb2 a6 17.a4 ab5 18.ab5 Qc7 19.Nd2 Qb7 20.Nf3?? Nf3-+ 21.ef3 Bb2 22.Ra8 Ra8 23.Qb3 Bd4 24.Re1 e5 25.Re4 f5 26.Re2 g5 27.Qd1 g4 28.Re1 Ra2 29.Re2 Qf3 30.Kg1 Re2 31.Qe2 Qe2 32.h3 Qf2 33.Kh1 Qg3 34.h4 Qh3 (34...Qg1) 0–1. golfx – piastunkagol, kurnik, 2012.

5.Nd2 Bb7 6.Ngf3 d6 7.g3 Nbd7 8.Bg2 e5 9.0-0 0-0 10.e4 a5 11.c3 Re8 12.Re1 Nf8 13.Nc4 Ne6 14.Qc2 Qe7 15.Rad1 Red8 (15...ab4 16.cb4 Ra7 17.d4 ed4 18.Nd4 Nd4 19.Bd4= (worse 19.Rd4 d5=+)) 16.Ne3 (16.b5 a4 17.Bc1 Qe8+=) 16...c6 (16...ab4 17.ab4 Bc6 18.Ra1=) 17.d4 Qc7 18.c4 ab4 19.ab4 Ra2 (19...c5 20.de5 Be4 21.Qe2 Bf3 A) worse 22.Qf3 de5 23.Qc6 Qc6 24.Bc6 Rd1 (worse 24...cb4 25.Ba8 Ra8 26.Be5+/-) 25.Nd1 Rc8-/+; B) 22.Bf3 de5 23.Ba8 Ra8 24.Nd5 Nd5 25.cd5+=) 20.Qb3 (20.Qb1 Rda8 21.de5 Ne4 22.Qe4 Rb2 23.ed6 Qd8+/-) 20...Rb2 (20...Rda8 21.de5 Ne4 22.Nh4 Rb2 23.Qb2 Be5 24.Qb3+/-) 21.Qb2+/- ed4 (21...Ne4 22.de5 de5 23.Rd8 Nd8 24.Qc2+/-) 22.Nd4 Nd4 (22...Ne4 23.Be4 Nd4 24.Rd4 c5 25.bc5 Bd4 26.Qd4 dc5+-) 23.Qd4+- (23.Rd4?! Nd7 24.Qd2 Bd4 25.Qd4 c5 26.bc5 dc5+=) 23...Nd5 24.Qd2 Ne3 25.Qe3 (25.fe3?! Be5+/-) 25...c5 26.bc5 bc5 27.h4 Re8 28.h5! Bd4 (28...gh5 29.Qg5 Decoy) 29.Rd3?? (better 29.Qb3+/-) 29...Be3-+ 30.Rde3 gh5 31.Bf3 (31.Rd1 Qe7-+) 31...Re5 (31...Qa5 32.Bg2-+) 32.Kg2 (32.Bg2 Qb6-+) 32...Qe7 33.R1e2 Qg5 (33...h4 34.g4-+) 34.Re1 (34.Kg1 h4 35.Bg2 Qg4-+) 34...h4 35.g4 (35.Rb1 Re7 36.e5 Bf3 37.Rf3 de5-+) 35...Qf4 (35...h5 36.Kh1 hg4 37.Bg4 Re4 38.Re4 Qg4 39.Rg1 Be4 40.Kh2 Qg1 41.Kg1-+) 36.Kh3 (36.Kh1-+) 36...Qg5 (36...h5 37.Rg1 Bc8 38.Kg2 hg4 39.Kh1-+) 37.R1e2?? (37.Kg2 h5 38.Kh1 hg4 39.Bg4 Re4 40.Re4 Qg4 41.Rg1 Be4 42.Kh2 Qg1 43.Kg1-+) 37...Re6 (37...h5 38.Re1 Bc8 39.Kg2-+) 38.Kg2 (38.Rb2 Ba6 39.Rc3 Re8-+) 38...Rf6 (better 38...h5 39.Rb2 Be4 40.Be4 Qg4 41.Kf1 Re4 42.f3-+) 39.Kh3 (39.Kh1 Rf3! 40.Rf3 Qg4-+) 39...Rf4 (39...Bc8!? 40.Kg2 Bg4 41.Bg4 Qg4 42.Kf1-+) 40.Kg2 (40.Kh2 h3! 41.Bh1 Rg4-+) 40...Bc8 (better 40...h5 41.Kf1 hg4-+) 41.e5 (41.Kh1 h5 42.Rb3 hg4 43.Bg2-+) 41...Rf3! 42.Rf3 (42.Rf3 Qg4 Decoy; 42.Kf3 Qg4 Mate attack) 42...Qg4 43.Rg3 hg3 (43...hg3 44.f3 Qh4 45.Kg1 Bb7 46.Rc2 Bf3 47.Rg2 Qd4 48.Kf1 Qd1) 0-1. Zobbie (2565) - BadChicken (2550), Rated bullet game, lichess.org, 2022. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2= Bg7 4.d3)

5.e4 Bb7 6.c4 d6 7.Nc3 e5 8.Nge2 0-0 9.g3 Nbd7 10.Bg2 c5 11.b5 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Ng4 15.h3 Nh6 16.0-0 f5 17.f4 fe4 18.de4 ef4 19.gf4 Qh4 20.Nd5 Bb2 21.Qb2 Nf7 22.Qa1 Ra8 23.Qc3 Ra2 24.Ng3 g5?? 25.Nf5+- (25.Nf5 Qh6 26.Nh6 Nh6 27.Nf6 Nf6 28.Qf6+-) 1–0. cibis (1665) – jihat13, kurnik, 2011.

5.e4 Bb7 6.Nd2 d6 7.c4 c5 8.Ne2 Nbd7 9.g3 0-0 10.Bg2 e6 11.0-0 d5 12.Qc2 dc4 13.dc4 cb4 14.ab4 Rc8? (better is 14...a5=) 15.Ra7+- Qc7? (better is 15...Bc6+-) 16.e5 Rb8 17.Bb7 Rb7 18.Rb7 Qb7 19.ef6 Nf6 20.Bf6 Bf6 21.Qe4 Qa6 22.b5 Qa2 23.Nf3 Bg7 24.Qc6 Qe2= 25.Nd4?? Bd4-+ 26.Kg2 Bc5 27.Rc1 Rd8 28.Qf3 Rd2 29.Qe2 Re2 30.Rf1 Kg7 31.Kf3 Rc2 32.h4 Rc4 33.Rb1 Rb4 34.Rc1 Rb5 35.Rc2 Rb3 36.Kg2 f5 37.Re2 Kf6 38.Rc2 h6 39.Re2 g5 40.hg5 hg5 41.Rc2 g4 42.Re2 Rf3 43.Rc2 Rf2! 44.Rf2 Bf2 45.Kf2 Ke5 46.Ke3 Kd5 47.Kd3 e5 48.Ke3 b5 49.Kd3 f4 50.gf4 ef4 51.Ke2 b4 (51...b4 52.Kd2 Kc4 53.Kd1 Kd3 54.Kc1 Kc3 55.Kd1 f3 56.Ke1 g3 57.Kf1 b3 58.Ke1 b2 59.Kd1 b1Q) 0–1. cibis (1645) – jihat13, kurnik, 2011.

5.e4 Bb7 6.Ne2 d6 7.c4 c5 8.Nbc3 cb4 9.ab4 Nc6 10.b5 Ne5 11.h3 0-0 12.f4 Ned7 13.g3 Qc7 14.Bg2 Rac8 15.0-0 a6? (better is 15...Ra8+/-) 16.ba6+- Ba8 17.Nb5 Qc5 18.Bd4 Qb4 19.Rb1 Qa4 20.Qa4 Nh5 21.Kh2 e5 22.fe5 Ne5 23.Be5 Be5 24.Nf4 Ng7 25.d4 Bf6 26.Nd6 Rcd8 27.e5 Be7 28.Ba8 Ra8 29.Nd5 Bd6 30.ed6 Rfd8 31.d7 Ra7 32.Nb6 Ne6 33.d5 Nc5 34.Qb5 Nd7 35.Nd7 Rad7 36.Qd7! Rd7 37.Rb7 (37.Rb7 Rd6 38.a7+-) 1–0. cibis – jihat13, kurnik, 2011.

4.d3 d5

5.Nd2 0-0 6.Ngf3 a5 7.c4 ab4 8.ab4 Ra1 9.Qa1 Nc6 10.b5 Nb4 11.Qb1 c5 12.cd5 (12.bc6 Nc6 13.cd5 Qd5=) 12...Qd5 (12...Nfd5 13.Bg7 Kg7 14.Nb3=+) 13.g3 (13.e4 Qh5=) 13...Rd8 (13...Qd7 14.Bc3 Qb5 15.e4-/+) 14.Bg2 (14.Ba3 Bg4=) 14...Qh5 (14...Qd7!?-/+) 15.h3= Qd5 16.0-0 (16.Bc3 Qd6=) 16...b6 (16...Qd7 17.Bf6 Bf6 18.Ne4=+) 17.Nc4= Nd7? (better 17...Qe6!?=) 18.Bg7+/- Kg7 19.Nfe5 Qe6 20.Nc6 Re8 21.Re1 (21.Nb4 cb4 22.Qb4 Nf6+-) 21...Bb7 22.Nd4 (better 22.Nb4 Bg2 23.Kg2 cb4 24.Qb4+/-) 22...Bg2?? (better 22...cd4 23.Bb7 Nc5=) 23.Ne6+- (23.Kg2?! cd4 24.Qb4 Nc5=) 23...fe6 24.Kg2 Nd5 (24...Kf7 25.d4! Rb8 26.Rd1+-) 25.Qb2 (25.e4 N5f6 26.Qa1 Rd8+-) 25...Kg8 (25...Kf7 26.Ra1 Rb8 27.Ra7+-) 26.Ra1 N5f6 (26...Rd8 27.e4 Nb4 28.Qc3+-) 27.Ra6 (27.Qa2 Kf7+-) 27...Nd5 28.e4 Nc7 (28...Nb4 29.Nb6 Nb6 30.Rb6 Nd3 31.Qb3+-) 29.Rb6 (better 29.Nb6 Na6 30.ba6 Nb6 31.Qb6 Kf7+-) 29...Nb6 30.Nb6 Rb8 (30...Rd8 31.Na4 c4 32.dc4+-) 31.Nd7 Rb5 32.Qe5 Kf7 33.Qf4 Ke8 34.Ne5 (34.Qc7 Kf7 35.Ne5 Kf6 36.Ng4 Kf7 37.Nh6 Kf6 38.Qf4 Kg7 39.Qf7 Kh6 40.Qf8 Kh5 41.g4 Kg5 42.f4 Kh4 43.Qh6) 34...Kd8+- 35.Qf7 Kc8 36.Qe7 Kb7 37.Qd7 Rb2 38.Qc6 Kb8 (38...Kc8 39.Nd7 Rc2 40.Nc5 Rc5 41.Qc5+-) 39.Qc5 1-0. Zobbie (2570) - slowchessplayer2001 (2720), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Nd2 c6 6.c4 Nh5 7.cd5 Bb2 8.dc6 Ba1 9.cb7 Bb7 10.Qa1 0-0 11.Ngf3 Nc6 12.g3 e6 13.Bg2 Ne7 14.0-0 Ng7 15.Ne5 Bg2 16.Kg2 Qd5 17.Ndf3 Rac8 18.Ng4 f5 19.Nh6 Kh8 20.Re1 Nc6 21.e4 fe4 22.de4 Qh5 23.Qc1 Qf3 24.Kh3 Ne5 25.Qg5 Qh5 26.Qh5 Nh5 27.f4 Kg7 28.Ng4 Ng4 29.Kg4 h6 30.Re2 Nf6 31.Kh3 Rc3 32.e5 Nd5 33.Kg4 h5 34.Kh4 Rf5 35.Rd2 Nf4 36.b5 Nd5 37.b6 ab6 38.a4 Kh6 39.Rd4 Re5 40.h3 g5 0-1. Zobbie (2500) - estupendastico (2610), Rated bullet game, lichess.org, 2022.

5.Nd2 c6 6.g3 Qc7 7.Bg2 e5 8.Ngf3 Nbd7 9.c4 0-0 10.cd5 cd5 11.Rc1 Qd6 12.Qb3 b6 13.0-0 Bb7 14.Rfe1 Rac8 15.e4 de4 16.Ne4 Ne4 17.de4 Rc1 18.Rc1 Be4 19.Rd1 Qe6 20.Qe3 Bf3 21.Bf3 f5?? 22.Bg2 e4=+ 23.Bg7 Kg7 24.Qd4 Nf6 25.Rc1 Rf7 26.f3 Rd7 27.Qc3 Qd6 28.fe4= fe4 29.Be4 Qd4 30.Qd4 Rd4 31.Bc6 Kh6 32.b5 Ng4 33.h3 Ne3 34.Kf2 Nf5 35.g4 Nh4 36.Kg3 g5 37.Rc3+= Kg6 38.Be8 Kf6 39.Re3 h6 40.Bc6 Ng6 41.Rf3 Nf4 42.h4 Rd2 43.Rf2 Rd3 44.Rf3= Rd1 45.hg5 hg5 46.Rb3 Rg1 47.Kf2 Rg4 48.a4 Rg2?? 49.Kf3 Ra2-+ 50.Bb7 Ra4 51.Rc3 Rb4 52.Ba6 Nd5 53.Rc6 (53.Rc6 Kf5 54.Bc8 Ke5 55.Re6 Kd4 56.Ba6-+) 0–1. golfx – cotonel, kurnik, 2012.

5.g3 0-0 6.Bg2 b6 7.Nd2 Bb7 8.Ngf3 Nbd7 9.0-0 c5 10.b5 a5 11.a4 Re8 12.e4 (12.c4 e5=) 12...e5 (better is 12...Ne4!? 13.Bg7 Nd2 14.Nd2 Kg7-/+) 13.Re1 Rc8 14.c4 d4 15.Nh4 Nf8 16.f4 ef4 17.gf4 (better is 17.e5!? Nd5 18.Bd5 Bd5 19.cd5 fg3 20.hg3 Be5 21.Qf3+=) 17...Nh5 18.Qg4 Ne6 19.Rf1 Bf6 20.Nhf3 Nef4 21.Ne1 Be5 22.Ndf3 Bg7 23.Ng5? Ng2 24.Ng2-/+ Rc7 25.Bc1 Bc8 26.Qe2 h6 27.Nf3 Qd6 28.Bd2 Rce7 29.Rf2 Bg4 30.Nge1? Nf4 31.Bf4 Qf4 32.Rg2? h5 33.Qf2 f5 34.Nd2 Qf2 35.Rf2 Bh6 36.Ndf3 Be3 37.Kg2 Bf2 38.Kf2 fe4 39.de4 Re4 40.Nd3 Re2 (40...Re2 41.Kg3 Bf3 42.Kf3 R8e3 43.Kf4 Rd3-+) 0–1. cibis (1615) – taksim (1780), kurnik, 2011.

4.d3 d6

5.Nd2 c6 6.Ngf3 0-0 7.g3 Nh5 8.Qc1 e6 9.Bg2 Bb2 10.Qb2 Qf6 11.c3 a5 12.Ne4 Qg7 13.0-0 Nf6 14.Nfd2 d5 15.Nc5 b6 16.Ncb3 a4 17.Nd4 c5 18.Nb5 Bd7 19.bc5 bc5 20.c4 Nc6 21.Nc3 Rab8 22.Qc2 Nd4 23.Qd1 Nb3 24.Rb1 Ng4 25.Nb3 Qc3 26.Nc5 Rb1 27.Qb1 Bc6 28.Qb4 Qc2 29.cd5 Bd5 30.Bd5 ed5 31.Qg4 Qc5 32.Qa4 Rb8 33.Qf4 Rb2 34.h4 Re2 35.h5 Re8 36.h6 Qf8 37.Rc1 f6 38.Rc7 Re7 39.Rc6 f5 40.Rd6 d4 41.Qd4 Rf7 42.Rd8 Re7 43.Rf8 Kf8 44.Qf6 Ke8 0-1. Zobbie (2510) - Outofmyleague (2570), Rated bullet game, lichess.org, 2023.

5.Nd2 Nbd7 6.Ngf3 0-0 7.g3 e5 8.Bg2 Re8 9.0-0 Qe7 10.e4 Nf8 11.Re1 Bg4 12.c3 h5 13.h3 Bf3 14.Nf3 Ne6 15.d4 Nh7 16.h4 Rad8 17.d5 Nef8 18.c4 g5 19.Rc1 Ng6 20.hg5 Ng5 21.c5 Nf3 22.Qf3 h4 23.Rc4 Qg5 24.Bc1 Qf6 25.Qf6 Bf6 26.Be3 hg3 27.fg3 Nf8 28.Rec1 dc5 29.bc5 Nd7 30.Bh3 Be7 31.Kg2 Nf6 32.Bf5 Kg7 33.Rh1 Rh8 34.Rcc1 Rh1 35.Rh1 Rh8 36.Rb1 a6 37.Rb7 Rd8 38.Rc7 Nd5 39.ed5 Rd5 40.Re7 e4 41.Be4 Rd1 42.Kf3 Kf6 43.Rc7 Rf1 44.Bf2 Ra1 45.Rc6 Ke5 46.Ra6 Ra2 47.Be3 f5 48.Bf4 Kd4 49.Bd3 Kd3 50.Rd6 Kc4 51.Rd2 Ra3 52.Kg2 Rd3 53.Rc2 Rc3 54.Rf2 1-0. Zobbie (2500) - Brocacochi (2500), Rated bullet game, lichess.org, 2023.

5.Nd2 e5 6.Ngf3 a5 7.e4 ab4 8.ab4 Ra1 9.Qa1 Nc6 10.b5 Nb4 11.Qa4 c5 12.c3 0-0 13.cb4 cb4 14.Qb4 Be6 15.Be2 Nd7 16.0-0 Nc5 17.Nb3 Nb3 18.h4 h6 19.Ba3 Nc5 20.d4 Ne4 21.de5 de5 22.Rd1 Qc7 23.Qe4 f5 24.Qb1 Ra8 25.Bd6 Qc3 26.Rd3 Qa1 27.Rd1 e4 28.Nd2 Qd4 29.Nf1 Qb6 30.Qb4 Rd8 31.Bc5 Qc7 32.b6 Qc8 33.Rd8 Qd8 34.Bc4 Bc4 35.Qc4 Kh7 36.g3 Qc8 37.Qb4 Qc6 38.Ne3 Bf6 39.h5 g5 40.Nf5 e3 41.Be3 Qe6 42.Nd6 Qg4 43.Qe4 Qe4 44.Ne4 Bd8 45.Nc5 Be7 46.Nb7 Bd6 47.Nd6 1-0. Zobbie (2540) - Lil0yStitch (2595), Rated bullet game, lichess.org, 2024.

5.e4 Bg4 6.Nd2 Bd1 7.Rd1 e5 8.Ngf3 0-0 9.Be2 Nbd7 10.0-0 Re8 11.Rfe1 c6 12.Rb1 d5 13.Nb3 de4 14.de4 Ne4 15.Bd3 Ng5 16.Nfd2 e4 17.Bc4 Bb2 18.Rb2 Nb6 19.Bf1 a5 20.Nc5 Qd2 21.Rbb1 e3 0-1. alessandrocarvalhaes (1865) - ogurnjani (1860), lichess.org, 2020.

5.Nd2 0-0

6.e4 Nbd7 7.Ngf3 a5 8.Be2 ab4 9.ab4 Ra1 10.Ba1 b6 11.0-0 c5 12.bc5 bc5 13.c4 Bb7 14.Qb3 Qc7 15.Re1 Rb8 16.Qc3 Nh5 17.Qc2 Nf4 18.Bf1 Ba1 19.Ra1 Nh5 20.g4 Nhf6 21.g5 Ng4 22.h3 Nge5 23.Nh2 Nf8 24.f4 Ned7 25.Bg2 e6 26.Nhf3 d5 27.e5 dc4 28.Nc4 Nb6 29.Nd6 1-0. alessandrocarvalhaes (1895) - castelobranco26 (1920), lichess.org, 2020.

6.e4 Nbd7 7.Ngf3 e5 8.g3 h6 9.Bg2 Nh7 10.0-0 f5 11.Re1 f4 12.d4 g5 13.de5 de5 14.Nc4 Qe7 15.Nfe5 Ne5 16.Be5 Be5 17.Qd5 Qf7 18.Ne5 Qd5 19.ed5 Bf5 20.c4 Rae8 21.c5 Nf6 22.d6 cd6 23.cd6 Rd8 24.Rad1 fg3 25.hg3 Kg7 26.Bb7 Bc2 27.Rd2 Ba4 28.Nc6 Bc6 29.Bc6 Rf7 30.Re6 Ng4 31.Kg2 h5 32.d7 Nf6 33.Rdd6 Nd7 34.Rg6 Kf8 35.Rg5 Ke7 36.Rgd5 Ke8 37.Rd7 Rdd7 38.Rd7 Rd7 39.Kh3 Ke7 40.Bd7 Kd7 41.Kh4 Kd6 42.Kh5 a5 43.g4 ab4 44.ab4 Kc6 45.g5 Kd7 46.g6 Ke8 47.g7 Kf7 48.b5 Kg8 49.b6 Kf7 50.b7 Kg7 51.b8Q Kf6 52.Qb5 Ke6 53.Qg5 Kd6 54.f4 Ke6 55.Qe5 Kf7 56.f5 Kg8 57.Qc7 Kf8 58.Kg6 Ke8 59.Qb7 Kd8 60.f6 Ke8 61.Qe7 1-0. Zobbie (2515) - TahsinEfe2011 (2580), Rated bullet game, lichess.org, 2021.

6.Ngf3 a5 7.g3 ab4 8.ab4 Ra1 9.Qa1 c6 10.Bg2 e5 11.0-0 Bg4 12.h3 Bf5 13.Re1 h6 14.Nc4 Be6 15.Ncd2 Na6 16.c3 Qd7 17.Kh2 Re8 18.Nc4 Nc7 19.Nb6 Qd8 20.Qa7 Bc8 21.Nd2 d5 22.Nc8 Qc8 23.Nb3 e4 24.de4 de4 25.Nc5 e3 26.f4 b6 27.Qb6 Ncd5 28.Qa6 Nc3 29.Qc8 Rc8 30.Bc3 Rd8 31.Bf6 Bf6 32.Bc6 Bc3 33.Rb1 Rd2 34.Bf3 Bd4 35.Ne4 Ra2 36.b5 f5 37.Nd6 Bc5 38.Bd5 Kg7 39.Ba2 g5 40.b6 gf4 41.b7 fg3 42.Kg3 Bd6 43.Kf3 f4 44.Rd1 Bb8 45.Rd8 h5 46.Rc8 Bd6 47.Rb8 Bb8 48.Bb3 Bc7 49.Bc4 Bb8 50.Bd3 Kf6 51.Bc4 Ke5 52.Bd5 h4 53.Be4 Kd4 54.Bd3 Kc3 55.Be4 Kd2 56.Bd5 Ke1 57.Be4 Kf1 58.Bd5 Kg1 0-1. Zobbie (2525) - TahsinEfe2011 (2570), Rated bullet game, lichess.org, 2021.

6.Ngf3 a5 7.g3 b6 8.Bg2 Bb7 9.0-0 e5 10.e4 Nbd7 11.Nc4 ab4 12.ab4 Re8 13.Qd2 Bc6 14.Ne3 Qc8 15.c4 Nh5 (15...b5 16.Ra8 Qa8 17.Qc3=) 16.Nd5 Bd5 17.cd5 c5 18.b5 Qb7 19.Qc3 Ra7 20.Ra7 Qa7 21.Ra1 Qb7 22.Qa3 Bh6 23.Qa7 Rb8 (23...Qc8 24.Bh3 Nhf6 25.Ra6+/-) 24.Ra6 Bd2?? (better 24...Qc8+/-) 25.Nd2 1-0. Zobbie (2630) - Efimka (2620), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 Nc6 7.g3 e5 8.Bg2 Bg4 9.h3 Bf3 10.Bf3 Qd7 11.Kf1 Rae8 12.e4 Qe7 13.c3 Nd7 14.Kg2 f5 15.Re1 f4 16.g4 g5 17.Nb3 Qd8 18.Nd2 Ne7 19.d4 Ng6 20.Kh1 Nh4 21.Bg2 h5 22.Nf3 hg4 23.hg4 Ng2 24.Kg2 Kf7 25.Rh1 Rh8 26.Qb3 Ke7 27.Ng5 Kf8 28.Qf7 1-0. Zobbie (2525) - Simbikar22 (2550), Rated bullet game, lichess.org, 2022.

6.Ngf3 Nbd7 7.e4=.

6.Ngf3 Nbd7 7.g3 e5 8.Bg2 Re8 9.e4 c6 10.0-0 a5 11.Nc4 ab4 12.ab4 Nf8 13.Ra8 d5 14.Ncd2 Qc7 15.Re1 d4 16.c3 dc3 17.Bc3 h6 18.Nc4 N8d7 19.Qa1 Nh5 20.Qa5 b6 21.Qa7 Qd8 22.Nd6 1-0. Zobbie (2535) - Birka543 (2505), Rated bullet game, lichess.org, 2023.

6.Ngf3 Nbd7 7.g3 e5 8.Bg2 Re8 9.e4 c6 10.0-0 Nf8 11.Re1 Ne6 12.c3 Qe7 13.Nc4 Bd7 14.d4 Nh5 15.de5 de5 16.Qd6 Rad8 17.Qe7 Re7 18.Rad1 Ree8 19.Nd6 Rf8 20.Nb7 Rb8 21.Rd7 Nf6 22.Re7 h5 23.Na5 c5 24.Ra7 cb4 25.cb4 Ng4 26.h3 Nf6 27.Be5 Rbc8 28.b5 Rc5 29.a4 Nd8 30.Bd6 1-0. Zobbie (2505) - akrom4 (2530), Rated bullet game, lichess.org, 2022.

6.Ngf3 Nbd7 7.g3 e5 8.Bg2 Nh5 9.e4 f5 10.0-0 f4 11.d4 Qe8 12.Re1 Nb6 13.c4 Bg4 14.c5 Nc8 15.Qb3 Kh8 16.de5 de5 17.Nc4 Qe7 18.Nfe5 fg3 19.hg3 Qg5 20.Ng4 Qg4 21.Bg7 Ng7 22.Ne5 Qg5 23.f4 Rf7 24.fg5 1-0. Zobbie (2555) - Yandr0s (2515), Rated bullet game, lichess.org, 2024.

6.Ngf3 e5 7.g3 a5 8.b5 Nbd7 9.a4 Qe7 10.e4 d5 (10...Nc5 11.Bg2=+) 11.ed5 (11.Ba3 Nc5=) 11...Nd5 12.Ne4?? (12.Be2 Rd8=+) 12...h6 (better 12...Qb4 13.c3 Qb2-+) 13.c4 (13.Ba3!? Nb4 14.c3=) 13...Nb4-/+ 14.Bg2? (better 14.g4!?-/+) 14...f5-+ 15.Nc3 (15.Nh4 Qe6 16.0-0 fe4 17.Be4 g5-+) 15...Nc5 (better 15...e4!? 16.de4 fe4 17.Nd5-+) 16.0-0 Be6 17.Ba3 (17.Nh4 Qf7 (17...Ncd3?! 18.Ng6 Qc5 19.Nf8 Rf8 20.Qd2=+) 18.d4 ed4-+) 17...Rfd8 (17...e4 18.d4 Rfd8 19.Re1 ef3 20.Nd5-+) 18.Nd5 Bd5 (18...Nd5?! 19.cd5 Bd5 20.Rc1=+) 19.cd5 Rd5 (19...e4 20.de4 fe4 21.Rc1 ef3 22.Bf3-+) 20.Ne1 (20.Bb4 ab4 21.Nh4 Rd6-+) 20...Rd4 (20...e4 21.Rb1-+) 21.Rc1 (21.Qb1 e4 22.Bb2 Nbd3 23.Bd4 Bd4-/+) 21...Rad8 (21...e4-+) 22.Nc2? (better 22.Qe2-+) 22...Nc2?? (better 22...Rd3 23.Qe2 Na4 24.Bb7 Nc3-+) 23.Qc2=+ b6 24.Bc5 bc5 25.Qc5 (25.Rfd1 Bf8-/+) 25...Qc5 26.Rc5 Ra4 27.Rc7 Rd3?? (better 27...Rb4-/+) 28.b6+/- Rb4 29.b7 (29.Rc8 Kh7 30.b7 e4+-) 29...a4 (29...Rd8 30.Rc8 Bf6+-) 30.Rc8+- Kh7 31.b8Q Rb8 32.Rb8 a3 33.Ra8 e4 34.Rc1 (better 34.Ra7!? h5 35.Ra1 Kh6 36.R1a3 Rd1 37.Bf1 Bd4+-) 34...h5 35.Bf1 Rb3 36.Rc7 Kh6 37.Raa7 (better 37.h4!? Be5 38.Rd7 Rb6+-) 37...Be5 (37...Bd4 38.Ra4 Bb6 39.Rc6+-) 38.Re7 (better 38.Rh7 Kg5 39.Ra6+-) 38...Bf6?? (better 38...Bd4!? 39.Rh7 Kg5+-) 39.Rf7 (better 39.Rh7!? Kg5 40.Ra6 a2 41.h4 Kg4 42.Ra2 Rb6 43.Be2 Kh3+-) 39...Bd4 Black prepares e3 40.h4?? (better 40.Rad7 Rg3 41.hg3+-) 40...Ba7 41.Ra7 e3 42.Bc4 Rc3 43.Bg8 ef2 (43...g5 44.fe3 gh4 45.gh4 Re3 46.Bf7=) 44.Kg2 (44.Kf2 g5+=) 44...g5= 45.Ra6 (better 45.Kf2 gh4 46.gh4=) 45...Kg7-/+ 46.Bd5 gh4 (better 46...Rg3 47.Kf2 Rd3-+ (47...gh4?! 48.Bf3=+)) 47.Kf2?? (better 47.gh4 Rh3 48.Ra4=+) 47...hg3-+ 48.Kg2 (48.Ke2 h4 49.Kd2 Rc5-+) 48...h4 (48...f4 49.Kh3-+) 49.Ra7?! (49.Kh3 g2! 50.Kg2-+) 49...Kf6 50.Kh3 Ke5 (better 50...Kg5 51.Rg7 Kf4 52.Kh4 Rc8-+) 51.Bf3 (51.Ra5 g2! 52.Kg2 Kd4-+) 51...Kf4 (better 51...Rf3 52.Ra5 Kf4 53.Ra4 Kg5 54.Rh4 g2 55.Kg2 Kh4 56.Kf3-+) 52.Ra4 (52.Bg2 Ke3 53.Re7 Kf2 54.Rf7-+) 52...Kf3 53.Ra3 (53.Rc4 Rb3 54.Rc5-+) 53...Kf2 (53...Ra3 54.Kh4 g2 55.Kg5 Ra6 56.Kf5 g1Q 57.Ke5 Qc5) 54.Kh4?? (better 54.Rc3 f4 55.Rc2 Ke3 56.Kh4=) 54...g2 (54...Ra3 55.Kg5 g2 56.Kf4 g1Q 57.Ke5 Qg6 58.Kf4 Qh6 59.Ke5 Ra5 60.Kd4 Qc6 61.Kd3 Rd5) 55.Kg5 (55.Ra2 Kg1 56.Kg5-+) 55...Kf3 (55...g1Q 56.Kf6 Rc6 57.Ke7 Qg7 58.Kd8 Qc7 59.Ke8 Qc8 60.Ke7 Qb7 61.Ke8 Rc8) 56.Kf6?? (better 56.Rc3 Kf2 57.Rc2 Kf1 58.Rc1 Kf2 59.Kf5=) 56...Ra3 57.Kf5 (57.Ke7 g1Q 58.Kf6 Qb6 59.Kg5 f4 60.Kh5 Ra5 61.Kh4 Qh6) 57...Ra4 (57...g1Q 58.Ke5 Ra5 59.Kf6 Qb6 60.Kf7 Ra7 61.Ke8 Qb8) 58.Kf6 (58.Ke5 g1Q 59.Ke6 Qb6 60.Kd5 Rd4 61.Ke5 Qd6 62.Kf5 Rd5) ½-½. black_bishop_88 (2510) - Elaltagraciareturn (2395), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 e5 7.g3 a5 8.e4 Nc6 (8...ab4 9.ab4 Ra1 10.Qa1=+) 9.b5= Ne7 10.a4 c6 11.Bg2 Bd7 12.0-0 (12.c4 Ng4=) 12...cb5=+ 13.ab5 Bb5 14.Ba3 Bc6 15.Qb1 Re8 16.c4 h6 17.Qb2 g5 18.Nb1 Ng6 19.Nc3 g4 20.Nd2 h5 21.Rab1 h4 22.Rfe1 Bh6 23.Nd5 Bd5 24.cd5 (24.ed5 Re7=+) 24...Rb8 (better 24...b5 25.Qa2 Qd7-/+) 25.Nc4= Bf8 26.Qb5 b6 27.Rbc1 (27.h3 hg3 28.fg3 gh3 29.Bh3 Nh5+=) 27...hg3 28.hg3 Kg7 29.Rc2 Be7 30.Rb1 Rh8 (30...Qd7!?=) 31.Qc6 d6 becomes the focus of attention. Increases the pressure on b6 31...Rc8 32.Qb6 Qg8 (32...Nd7!? 33.Qe3 Rh7+/-) 33.Bd6 Bd8?? (better 33...Bd6 34.Qd6 Rd8+-) 34.Qb7+- Qh7 (34...Rc4 35.dc4 Qh7+-) 35.Qc8 Qh2 36.Kf1 Nf4 (36...Bb6 37.Qa6 Bd4+-) 37.gf4 g3 38.Be5 (better 38.fe5!? Nh7+-) 38...gf2 39.Bf6 Bf6 40.Qg4 Kf8 41.Rb8 Ke7 (41...Bd8 42.Rd8 Ke7 43.Qd7 Kf6 44.e5 Kg7 45.Qg4 Kh7 46.Be4 f5 47.Qf5 Kg7 48.Qg6) 42.d6 1-0. Zobbie (2625) - taotpo32 (2625), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

6.Ngf3 e5 7.g3 Nc6 8.e4 Bg4 9.Bg2 Nd4 10.h3 Bf3 11.Nf3 Nf3 12.Bf3 d5 13.0-0 de4 14.de4 Qc8 15.Kg2 Qe6 16.Qd3 Rfd8 17.Qc3 c6 18.Rad1 Nd7 19.Bg4 f5 20.ef5 gf5 21.Be2 Nb6 22.Qe3 Kh8 23.Qg5 Bh6 24.Rd8 Rd8 25.Qd8 Kg7 26.Rd1 Nd5 27.Bc4 Bg5 28.Qg5 Kf7 29.Bd5 cd5 30.f4 ef4 31.Qg7 Ke8 32.Qh8 Kd7 33.Qh7 Kc6 34.Rd2 Qe4 35.Kh2 fg3 36.Kg3 Qe3 37.Kh4 Qf4 38.Kh5 Qd2 39.Qf5 Qe2 40.Qg4 Qc2 41.Be5 Qh7 42.Kg5 Qe7 43.Kf4 Qf7 44.Qf5 Qe7 45.Qf6 Qd6 46.Qd6 Kb5 47.Qd5 Ka4 0-1. Zobbie (2530) - rolik12345 (2520), Rated bullet game, lichess.org, 2021.

6.Ngf3 e5 7.g3 Nc6 8.e4 h6 9.Bg2 Be6 10.0-0 Nd7 11.c3 f5 12.Re1 f4 13.b5 Ne7 14.d4 Nb6 15.a4 a5 16.ba6 Ra6 17.Bf1 Ra8 18.a5 Nbc8 19.de5 de5 20.Bc4 Bc4 21.Nc4 Nc6 22.Qb3 Kh7 23.Rf1 fg3 24.fg3 Nd6 25.Nd6 Qd6 26.Qd5 Qd5 27.ed5 Na5 28.Ba3 Rfd8 29.Bb4 Nc4 30.Ra8 Ra8 31.Ne1 Ne3 32.Rf7 Nd5 33.Rd7 Nb4 34.cb4 e4 35.Nc2 Rc8 36.Ne3 b6 37.Nd5 c5 38.Nb6 Rc6 0-1. Zobbie (2535) - Homa_Sapiens (2515), Rated bullet game, lichess.org, 2022.

6.Ngf3 Ne8 7.Qc1 (7.Bg7 Ng7 8.e3 Nd7=) 7...c5 8.g3 Qb6 9.Bg2 (9.Bg7 Ng7 10.bc5 Qc5+=) 9...cb4 10.ab4 Qb4 11.Bg7 Ng7 12.0-0 Nc6 13.Nc4 Be6 14.Rb1 Qc5 15.Rb7 Bc4 16.dc4 Qc4 17.Qh6 (17.Nd2 Qa6 18.Qb1 Nf5 19.Bc6 Qc6=+) 17...Nf5-/+ (17...Qe2? 18.Re1 Nf5 19.Qf8 (19.Re2 Nh6 20.Ng5 Rac8=+) 19...Kf8 20.Re2+-; 17...Qc2?? 18.Ng5 Rfc8 19.Qh7 Kf8 20.Qh8) 18.Qh3 Rac8 (18...d5 19.Ng5 h6 20.g4 hg5 21.gf5=+) 19.Ng5=+ h6 20.Ne4 (better 20.e4!? hg5 21.ef5 Qc2 22.fg6 Qg6 23.Bc6 Rc6 24.Re7=+) 20...Qe2 21.g4 Ng7?? (better 21...Nfd4-+) 22.Qh6 (better 22.Re7! Ne6 23.Qh6 Qe4 24.Be4 Ne7 25.Bd3+/-) 22...Qg4= 23.Kh1?? (23.Re7 Nh5 24.Ng5+/-) 23...Qh5 (23...Nf5 24.Qd2 Nh4 25.Ng3 Ng2 26.Kg2-+) 24.Qe3 Ne5 (24...Nf5 25.Qd2 Qh6 26.Qd3-+) 25.Rg1? (better 25.Re7 Nf5 26.Nf6 Kh8 27.Nh5 (27.Qa7? Qh4-+) 27...Ne3 28.fe3 gh5 29.Ra7 Rc2 30.Bd5-/+) 25...Ng4 26.Qg3 Nf5 (26...Rc2?! 27.Bf3 Qh2 28.Qh2 Nh2 29.Kh2=+) 27.Qf4 (27.Qh3 Rc2 28.Qh5 gh5 29.Bf3-+) 27...e5 (better 27...g5 28.Bf3 gf4 29.Bg4 Ng3 30.fg3-+) 28.Bf3?? (better 28.Qg4! Qg4 29.Nf6 Kg7 30.Ng4+/-) 28...ef4-+ 29.Rg4 (29.Bg4 Ng3! 30.fg3-+) 29...Qh6 (29...Qh3 30.Ng5 Qf1 31.Rg1 Qf2 32.Be4-+) 30.c3 (30.Bd1 Qg7 31.Rg1 Qd4-+) 30...Kg7 (30...Nh4 31.Bd1 f5 32.Nd6 fg4 33.Nc8 Rc8 34.Rb1-+) 31.Ng5 Rc3 32.Kg2 Nh4 33.Rh4 Qh4 34.Ne6 Kg8 35.Nd4 Qg5 36.Kf1 Rc1 37.Ke2 Qe5 38.Kd3 Rfc8 39.Re7 (39.Nc6 Qc3 40.Ke4 Qc4 41.Nd4 f5 42.Kf4 Qd4 43.Kg3 Rg1 44.Kh3 Qh8 45.Rh7 Qh7 46.Bh5 Qh5) 39...R8c3 40.Kd2 Qe7 (40...Qd4 41.Ke2 Qd3) 41.Ne2 (41.Bd1 Qe4 42.Be2 Qd4 43.Bd3 Qd3) 41...R1c2 (41...Qe3 42.fe3 fe3) 42.Kd1 (42.Ke1 Rf3 43.Kf1 Qe2 44.Kg2 Rf2 45.Kh3 Rh2) 42…Qe2! (42...Qe2 43.Be2 Ra2 44.Bg4 Rcc2 45.h3 Rf2 46.Ke1 Rh2 47.Bf3 Ra1 48.Bd1 f3 49.h4 Re2 50.Kf1 Rd1) 0-1. Zobbie (2545) - Alihan_7 (2540), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

4.d3 Kf8

5.Nd2 c6 6.Ngf3 d5 7.g3 (7.e4 Nh5 8.d4 Kg8+=) 7...Ne8 8.Bg2?? (better 8.Bg7 Kg7 9.c4+=) 8...Bb2-+ 9.Rb1 Bg7 (9...Ba3?! 10.Rb3 Bb4 11.Rb4-+) 10.0-0 Nd6 11.c4 Nf5 (11...e5 12.e4-+) 12.e4 de4 13.de4 Nd4 14.Nd4 Qd4 15.Qc2 Qb6 (15...Qc3 16.Qa2-+) 16.c5 Qc7 17.Nc4 Nd7 18.f4 Nf6 (18...h5 19.e5-+) 19.Rbd1 Bg4 20.Rd2 Rd8 21.h3 Rd2 22.Qd2 Be6 23.Ne3 Qd7 24.Qd7 Bd7 (24...Nd7 25.Rd1 Ke8 26.Kf2-+) 25.e5 Nd5! 26.Nd5 (26.Nd5 cd5 Passed pawn; 26.Bd5 Be6 Double attack (26...Bh3 Deflection; 26...Be6 Decoy; 26...cd5 Passed pawn)) 26...cd5 27.Bd5 Bc6 28.Bc4 (28.Bc6 bc6 29.b5 cb5-/+) 28...e6 29.b5 Bd5 (29...Bd7!?-/+) 30.Bd5 ed5 31.Rd1 Ke7 32.Rd5 Rd8 33.Rd6 (33.Rd8 Kd8 34.Kf2 Bf8-+) 33...Rd6 34.cd6 Kd7 35.Kf2 (35.Kg2 f6 36.ef6 Bf6-+) 35...f6 36.Ke3 (36.ef6 Bf6 37.Kf3 Kd6-+) 36...fe5 37.fe5 Be5 38.Ke4 Bg3 39.Kd5 Bd6 40.h4 (40.a4-+) 40...Ba3 41.h5 gh5 (41...gh5 42.Ke5 Kc7-+) 0-1. Zobbie (2515) - OneAndAHalph (2555), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Nd2 e6 6.Qc1 (6.e4 d6+=) 6...d5 7.h3 (7.Ngf3 Nbd7+=) 7...Nbd7 (7...Na6 8.e4+=) 8.g3 (8.e4 Kg8+=) 8...h5 (8...Kg8 9.Bg2=) 9.Bg2 c6 (9...h4 10.Ngf3 hg3 11.fg3=) 10.Ngf3+= Kg8 (10...Qe7 11.e4+=) 11.e3 (11.e4 Rh6+=) 11...Kh7 12.d4 Rf8 13.0-0 Kg8 14.Ne5 (14.c4 a5+=) 14...Qc7 15.Nd3 Re8 (15...a5 16.c4+=) 16.Nf3 Ne4 17.Nd2 (17.c4 b6+=) 17...f5 (17...Nd2 18.Qd2 e5 19.de5 Ne5 20.Ne5 Be5 21.Rab1=) 18.Ne4 fe4 19.Nc5 (19.Nf4 Kh7 20.c4 Nb6+=) 19...Nc5 20.bc5 (20.dc5 Bb2 21.Qb2 b6=) 20...e5 (20...Rf8 21.c4=+) 21.Rb1 (21.c4 Rf8=) 21...ed4 (21...h4 22.de5 Be5 23.gh4 Bh2 24.Kh1=) 22.Bd4= Bd4 23.ed4 Bf5 24.c3 (24.c4 e3 25.Rb3 e2+=) 24...Re7 (24...b6 25.cb6 ab6 26.c4=) 25.Rb2 (25.c4 Rf7=) 25...Rae8 (better 25...b6=) 26.Qf4 (better 26.c4!?=) 26...Qf4-/+ 27.gf4 Rb8 (27...Bc8 28.Re1-/+) 28.Re1 b5 29.h4 a5 30.Reb1 (30.Re3 Rbe8-/+) 30...Reb7 (better 30...Rf8-/+) 31.a4? (31.Bf1 Kf7=+) 31...e3?? (better 31...b4 32.Kf1 bc3-+) 32.Rb3?? (32.Re1 b4 33.c4 dc4 34.Bc6-/+) 32...ef2 (worse 32...Bb1 33.fe3 ba4 34.Rb7 Rb7 35.c4-+) 33.Kf2 Bb1 34.Rb1 ba4 35.Rb7 (35.Rg1 a3 36.Ke3-+) 35…Rb7 0-1. StayWithMeOokay (1930) - mehrabjakvar (2460), Rated Bullet game, lichess.org, 2014.

5.Nd2 Ke8 6.e4+=.

4.d3 Nh5

5.Qc1 d6 6.Nd2 Nf6 7.Ngf3 e5 8.g3 e4 (8...a5!?=) 9.de4 (9.Ne4 Nbd7+/-) 9...Qe7 10.Bg2 Nc6 11.0-0 h5 12.b5 h4?? (better 12...Ne5+/-) 13.bc6+- bc6 (13...hg3 14.fg3 bc6 15.e5+-) 14.Nh4 g5 (14...Rb8 15.Rb1+-) 15.Nf5 (better 15.e5 Nd5 16.ed6 Qf8+-) 15...Bf5 16.ef5 Qf8 (16...Kd7 17.Nb3 g4 18.Na5+-) 17.e3 (better 17.Bc6 Ke7 18.Nc4 Rb8 19.Qe3 Kd8 20.Qa7 Rb2+-) 17...Kd7 18.Nb3 Ng4 19.h3 Bb2 (19...Nf6 20.Na5+-) 20.Qb2 Qh6 21.Qc3 Ne5 (21...d5 22.Rfd1 Qf6 23.Rd4+-) 22.f4 gf4 23.ef4 Rab8 24.fe5 Rb6 25.ed6 cd6 26.Rad1 Rg8 (26...Re8 27.Na5 Qe3 28.Qe3 Re3 29.Nc4+-) 27.Nc5 Kc7 28.Rfe1 dc5 29.Re7 Kb8 (29...Kc8 30.Qe5 Qd6 31.Qd6 Rb7 32.Qc6 Kb8 33.Qb7) 30.Qe5 Ka8 31.Qc7 Qe3 32.Re3 Rgb8 33.Re7 (33.Bc6 R6b7 34.Re8 Re8 35.Qb7) 33...R8b7 (33...R6b7 34.Bc6 a6 35.Bb7 Rb7 36.Qb7) 34.Bc6 (34.Rd8 Rb8 35.Qa7) 34...Rc6 (34...a5 35.Qb6 Kb8 36.Qb7) 35.Rd8 (35.Qb7) 35...Rb8 36.Qb8 (36.Rb8) 1-0. Zobbie (2570) - championchess12 (2575), Rated bullet game, lichess.org, 2021. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Qc1 e5 6.Nd2 0-0 7.Ngf3 d5 8.Ne5 Qf6 9.Ndf3 Nd7 10.Nc4 Qb2 11.Nb2 Bc3 12.Nd2 Ne5 13.Nd1 d4 14.Nc3 dc3 15.Ne4 f5 16.Nc3 1-0. Zobbie (2505) - RanjithkalaiyarasaN (2520), Rated bullet game, lichess.org, 2021.

5.Qc1 e5 6.Nd2 d5 7.e4 d4 8.Ngf3 0-0 9.c3 f5 10.cd4 ed4 11.Be2 Kh8 12.g3 Nc6 13.0-0 f4 14.Nb3 Bh3 15.Re1 fg3 16.hg3 Qd7 17.Nc5 Qf7 18.Qg5 h6 19.Qh4 Bc8 20.Rf1 g5 21.Ng5 hg5 22.Qh5 Qh5 23.Bh5 b6 24.Nb3 a5 25.b5 Ne5 26.Be2 Bg4 27.Bg4 Ng4 28.Rac1 Rf7 29.Kg2 Rd8 30.Rc6 a4 31.Nd2 Rdf8 32.f3 Ne5 33.Kf2 Nc6 34.Ke2 Ne5 35.Rh1 Kg8 36.Bd4 Nf3 37.Nf3 Rf3 38.Bg7 Kg7 39.Rh2 Rg3 40.e5 Re8 41.d4 Rg4 42.Kd3 Rd8 43.Kc4 Rdd4 44.Kc3 Rde4 45.Kd3 Re5 46.Rf2 Rge4 0-1. Zobbie (2550) - ElectroweakStar (2540), Rated bullet game, lichess.org, 2023.

5.Nd2 Bb2 6.Rb1 Ba3?! 7.c3-+.

5.Nd2 Bb2 6.Rb1 Bc3-+.

5.Nd2 Bb2 6.Rb1 Bg7 7.Ngf3 Nf6 8.g3 (8.e4 d5-+) 8...0-0 9.Bg2 c6 10.0-0 d5 11.c4 Nbd7 12.Qc2 e5 13.Rfe1 Re8 14.e4 de4 15.de4 Nf8 16.c5 Bg4 17.Nc4 Qc7 18.h3 (18.Nd6 Re7-+) 18...Bf3 19.Bf3 Ne6 20.Nd6 (20.Bg2 Nd4 21.Qa4 b6-+) 20...Nd4 21.Qd3 Red8 22.Bg2 b6 23.Qc4 (23.f4 bc5 24.bc5 Nd7-+) 23...a5 (23...Bf8!? 24.f4 Bd6 25.cd6 Qd6 26.Rf1-+) 24.f4 ab4 (24...Ne8 25.Ne8 Re8 26.cb6 Qb6 27.Kh2-+) 25.ab4 (25.fe5 bc5 26.ef6 Bf6-+ (26...Rd6?! 27.e5 Rdd8 28.fg7-+; 26...Qd6?! 27.e5 Qe6 28.Qe6 fe6 29.ab4-+)) 25...bc5 26.bc5 ef4 (better 26...Ne8-+) 27.Rb7+/- Qb7 28.Nb7 Rd7 (28...f3 29.Nd8 Rd8 30.Bf1+/-) 29.Nd6 (29.gf4?! Nh5 30.Nd6 Nf4=+) 29...f3 30.Qd4?? (30.e5 Ne2 31.Kf2 fg2 32.Kg2 Nd5 33.Re2 Re7+/-) 30...fg2?? (30...Ng4 31.Qb4 f2 32.Kf1 fe1R 33.Ke1 Ra1 34.Ke2 Ra2 35.Ke1 Nh2 (35...Rg2?! 36.Qb8 Bf8 37.hg4=+) 36.Qb8 Bf8-/+) 31.Kg2 Ra2 32.Kg1 Nh5 (32...Rda7 33.Qe5 Rc2 34.Rf1+=) 33.e5+- Ng3 34.Qg4?? (better 34.Qc4 Rda7 35.Nf7+-) 34...Nf5+/- 35.Rb1 (35.Nf5 gf5 36.Qf5 Rdd2+/-) 35...Rd8 (35...h5 36.Qe4 Ng3 37.Qe3= (37.Qc6? Be5 38.Rd1 Re7-+)) 36.Nf5 (36.Qg5 Raa8+/-) 36...gf5 37.Qf5 Re2 The isolani on e5 becomes a target 38.Rb7?? (better 38.Rf1 Kh8 39.Qg4 Re5 40.Rf7+=) 38...Rf8 (better 38...Rd1 39.Qf1 Rf1 40.Kf1 Re5 41.Rb8 Bf8-+) 39.Re7+- Rc2?? (better 39...Rd2+-) 40.e6 (better 40.Qc2 Kh8+-) 40...fe6 (40...Bd4 41.Kh1 Rc1 42.Kh2 Rc5 43.Qg4 Bg7 44.ef7 Rf7 45.Rf7 Rc2 46.Kg3 Kf7 47.Qf5 Ke7 48.Qc2 Kd6+-) 41.Qe6 (better 41.Qc2 Bd4 42.Kg2 Rf2 43.Qf2 Bf2 44.Kf2+-) 41...Kh8 42.Re8 Rg8?? (better 42...Bd4 43.Kh1 Rc1 44.Kg2 Rc2 45.Kg3 Bf2 46.Kg4 Bc5+-) 43.Qg8 (43.Rg8) 1-0. Zobbie (2570) - Podrebo (2710), Rated bullet game, lichess.org, 2021. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Nd2 Bb2 6.Ngf3 Bg7 (6...Ba1 7.Qa1 0-0 8.e3-+) 7.g3 (7.d4 d6-+) 7...Nf6 (betterBa1!? 8.Qa1 Nf6 9.Bg2-+) 8.Bg2 0-0 9.0-0 d6 10.Re1 Nc6 11.c4 e5 12.Qb3 Ne7 13.Rac1 Be6 14.Qb2 Qc8 15.Ng5 Bd7 16.Nge4 Ne4 17.Ne4 f5 18.Nc3 f4 19.Nd5 Nd5 20.cd5 fg3 21.hg3 Bh3 22.Bh1 Qf5 23.e4 Qf7 24.Rc3 (24.Bg2 Bg2 25.Kg2 Qf3 26.Kg1 Rf7-+) 24...Rac8 25.Rec1 Bh6 26.R1c2 Bg4 27.d4 (27.Bg2 Kh8-+) 27...Bd1 28.de5 de5 29.Rd2 Bd2 30.Qd2 Bh5 (30...Bg4 31.f3 c6 32.d6-+) 31.Bg2 c6 32.Qc2 (32.Bh3 Rcd8 33.g4 cd5 34.gh5 de4-+) 32...Bg4 33.d6 Qe6 (33...Rcd8 34.Rd3-+) 34.Qd2 (34.f3 Bh3 35.Qb3 Qb3 36.Rb3 Bg2 37.Kg2 Rcd8-+) 34...Bh3 (34...Rcd8 35.Rd3-+) 35.Bh1 (35.Bh3 Qh3 36.Rd3-+) 35...Bg4 (better 35...Rcd8!? 36.Rd3-+) 36.Rd3?? (36.Bg2 Rcd8 37.Rd3-+) 36...Rcd8-+ 37.Kh2 Rf7 38.Bg2 Rdf8 (better 38...Qf6-+) 39.f3 Bf3 (better 39...Kg7 40.Qc3 Rd7-+) 40.Bh3 (40.Bf3 Qd7 41.Kg2-+) 40...Bg4 41.Bg2 (41.d7 Bh3 42.d8Q Bf1-+) 41...Rf2 42.Qe3 (42.Qf2 Rf2 43.d7 Rg2 44.Kh1 Rf2 45.d8Q Rf8-+) 42...Bh3 (42...Qa2 43.Qf2 Rf2 44.Rd2 Qd2 45.Kh1 Bf3 46.Kh2 Rg2 47.Kh3 Rh2) 43.d7 (43.Qf2 Rf2 44.d7 Qd7 45.Rd7 Bd7 46.Kg1-+) 43...Rg2 44.Kh1 Rf1 45.Qg1 Rfg1 0-1. Zobbie (2595) - Alex_fox (2550), Rated bullet game, lichess.org, 2024. (=1.a3 A00: Irregular Openings 1...Nf6 2.b4 g6 3.Bb2 Bg7 4.d3)

5.Bg7 Ng7 6.Nd2 0-0 7.e4 d5 8.Ngf3 de4 9.de4 e5 10.Be2 Re8 11.0-0 Nc6 12.Nc4 Bg4 13.Nce5?? (better 13.c3=) 13...Ne5-+ (13...Re5 14.Ne5 Qd1 A) worse 15.Rad1 Be2 (15...Ne5?! 16.f3 Be6 17.f4=) 16.Nc6 bc6-/+; B) 15.Bd1 Ne5 16.f4 Bd1 17.Rfd1=) 14.Ne5 Be2 (14...Re5 15.Bg4 Re4 16.Qd8 Rd8 17.Bf3+=) 15.Qe2 Re5 16.Rfd1 Qe8 17.f3 f5 18.Qc4 Kh8 19.ef5 Nf5 20.Rd7?? (better 20.Qc3 Kg8 21.Qc7-+) 20...Qd7 21.Rf1 (21.Qc3 Rae8 22.Re1 Nd4 23.Re5 Re5-+) 21...Rd8 (better 21...Qd2 22.Qd3 Rd8 23.Qd2 Rd2 24.Kh1-+) 22.Qg4 (22.Qc3 Qg7 23.Re1 Re1 24.Qe1 Qd4 25.Kh1 Qd1 26.Qg1 Nh4 27.h3 Nf3 28.gf3 Qf3 29.Qg2 Rd1 30.Kh2 Qf4 31.Qg3 Rd2 32.Kh1 Qg3 33.c4 Qe1) 22...Ne3 (better 22...Qd2 23.h3 Re1 24.c3 Rf1 25.Kh2 Qe1 26.Qd4 Nd4 27.cd4 Rh1) 23.h4 (23.Qd7 Rd7 24.f4-+) 23...Ng4 24.fg4 0-1. kassanen (1700) - DaLionBeast (2255), Casual Bullet game, lichess.org, 2020.

5.Qc1 0-0

6.Nd2 a5 7.Ngf3 ab4 8.ab4 Ra1 9.Qa1 Bb2 10.Qb2 Nc6 11.g3 d5 12.b5 Nb8 13.Bg2 Nd7 14.0-0 e6 15.c4 Qf6 16.Qc2 b6 17.cd5 ed5 18.Qc7 Ng7 19.e3 Ne6 20.Qd6 Qc3 21.Qd5 Nf6 22.d4 Nd5 23.Ne4 Qd3 24.Nd6 Bd7 25.Ne5 Qf1 26.Bf1 Rd8 27.Ndf7 Ra8 28.Nd7 Kf7 29.Ne5 Kf6 30.Bd3 Ra1 31.Kg2 Nc3 32.Nd7 Ke7 33.Nb6 Nc7 34.Bc4 N3b5 35.Nc8 Kd8 36.Nb6 Ra6 37.Nd5 Nd5 38.Bb5 Rd6 39.Bc4 Nb6 40.Be2 Ke7 41.Bf3 Rd8 42.h4 Rc8 43.Bg4 Rc2 44.Kf3 Nc4 45.Bh3 Nd2 46.Kf4 Nb3 47.f3 Nd2 48.e4 Rc1 49.Ke3 Rh1 50.Bg4 Nf1 51.Kf2 Nd2 52.h5 Rh2 53.Ke3 Nc4 54.Kd3 Nd6 55.hg6 hg6 56.e5 Ne4 57.Ke4 g5 58.Kf5 Rh1 59.Kg5 Rf1 60.f4 Rf3 61.f5 Rd3 62.f6 Kf8 63.e6 Rd4 64.e7 Ke8 65.Bh5 Kd7 66.e8Q Kd6 67.Qe5 Ke5 68.f7 Rd5 69.g4 Ke4 70.Kh6 Rd8 71.g5 1-0. Zobbie (2505) - NearSMA (2615), Rated bullet game, lichess.org, 2022.

6.Nd2 a5 7.Ngf3 ab4 8.ab4 Ra1 9.Qa1 Nf6 10.g3 Nc6 11.b5 Nb4 12.Qa4 c5 13.c3 Nbd5 14.Bg2 d6 15.0-0 Nd7 16.Qc2 N7b6 17.Ra1 Bd7 18.Ng5 h6 19.Nge4 Bb5 20.c4 Nb4 21.Qb3 Bc6 22.Bg7 Kg7 23.d4 Be4 24.Ne4 Qc7 25.dc5 dc5 26.Nc3 Qe5 27.Bb7 Rd8 28.Bf3 Rd2 29.Ra7 Rc2 30.Ne4 Rc1 31.Kg2 Rc4 32.Qe3 Rd4 33.Nc5 Qe3 34.fe3 Rc4 35.Nd7 Nc2 0-1. Zobbie (2510) - Egor_Kovalev (2675), Rated bullet game, lichess.org, 2022.

6.Nd2 a5 7.Ngf3 b6 8.g3 ab4 9.ab4 Ra1 10.Qa1 Bb2 11.Qb2 Bb7 12.Bg2 d6 13.0-0 Nd7 14.Nd4 Qc8 15.Nc6 Re8 16.b5 Nb8 17.Nd4 Bg2 18.Kg2 Qb7 19.e4 e5 20.N4f3 Ng7 21.Nc4 Ne6 22.Ne3 Nd7 23.Nd5 Ra8 24.Ra1 Ra7 25.Ne7 Kg7 26.Nc6 Ra1 27.Qa1 Nb8 28.Nfe5 de5 29.Qe5 Kg8 30.Nb4 Qc8 31.d4 Qd7 32.d5 Nc5 33.h4 Qd6 34.Qd4 Nbd7 35.f4 Ne6 36.Qc3 Nf4 37.gf4 Qf4 38.Qf3 Qh4 39.Nd3 Nf6 40.e5 Ng4 41.Qg3 Qg3 42.Kg3 Ne3 43.d6 cd6 44.ed6 Nf5 45.Kf4 Nd6 46.Ke5 Nb5 0-1. Zobbie (2515) - Sauron_21 (2500), Rated bullet game, lichess.org, 2021.

6.Nd2 d5 7.Ngf3 Nc6 8.g3 e5 9.e4 Nf6 10.Bg2 Re8 11.0-0 Be6 12.Re1 de4 13.de4 Nd7 14.h4 f6 15.c4 Nb6 16.Qc2 Qe7 17.Rad1 Rad8 18.c5 Qf7 19.cb6 ab6 20.Qc3 Bh6 21.Nf1 Nd4 22.Nd4 ed4 23.Rd4 Rd4 24.Qd4 Bg7 25.Ne3 Qe7 26.h5 Rd8 27.Qc3 c5 28.Bf3 Bh6 29.Kg2 Bg7 30.hg6 hg6 31.Rh1 Kf7 32.Nd5 Bd5 33.ed5 Qd6 34.Rh7 Rg8 35.Bg4 Rh8 36.Be6 Kf8 37.Rh8 Bh8 38.Qf3 Ke7 39.Qg4 g5 40.Qh5 Kd8 41.Qh8 Ke7 42.Qf6 Ke8 43.Be5 Qe7 44.Qf5 Qf8 45.Bf6 Qe7 46.Qg6 Kd8 47.Be7 Ke7 48.Qf7 Kd6 49.Qd7 Ke5 50.Qf7 Kd4 51.Qf5 c4 52.Qg5 c3 53.d6 c2 54.Qc1 Kc3 55.Qc2 Kc2 56.d7 b5 57.d8Q Kb2 58.Qb6 Ka3 59.Qb5 b6 0-1. Zobbie (2545) - RARS03 (2530), Rated bullet game, lichess.org, 2022.

6.Nd2 d5 7.Ngf3 Nc6 8.g3 Bg4 9.Bg2 e6 10.h3 Bf3 11.Nf3 Bb2 12.Qb2 Qf6 13.c3 Qg7 14.0-0 Rad8 15.Rfe1 a6 16.e4 d4 17.c4 Ne5 18.Ne5 Qe5 19.c5 b5 20.a4 c6 21.ab5 ab5 22.Ra6 Rc8 23.Kh2 Rfd8 24.Qe2 Qg7 25.e5 Qh6 26.Bc6 Ng7 27.g4 Qf4 28.Kg2 h5 29.Bf3 hg4 30.hg4 Rb8 31.Qe4 Qd2 32.Rh1 Qb4 33.c6 Qe7 34.Qf4 b4 35.Qh6 f5 36.ef6 Qf6 37.c7 1-0. Zobbie (2545) - Franchesska (2520), Rated bullet game, lichess.org, 2024.

6.Nd2 e5 7.Ngf3 d5 8.Ne5 Nc6 9.Nc6 bc6 10.e3 Bf5 11.Be2 Bf6 12.Bh5 gh5 13.0-0 Bg6 14.Re1 h4 15.h3 Be7 16.e4 de4 17.Ne4 f5 18.Nc5 Bc5 19.bc5 Qd5 20.Re5 Qd7 21.Qh6 Rae8 22.Rae1 Re5 23.Re5 a6 24.Qh4 f4 25.Qg5 Rf7 26.h4 f3 27.h5 fg2 28.hg6 hg6 29.Qg6 Kf8 30.Qh6 Rg7 31.Rg5 Qh3 32.Bg7 Kf7 33.Qh3 a5 34.Qd7 Kg8 35.Bf6 Kf8 36.Qg7 Ke8 37.Qe7 1-0. Zobbie (2515) - pda2005 (2680), Rated bullet game, lichess.org, 2022.

4.d4 0-0

5.e3 (--> 3.e3 Bg7 4.d4 0-0 5.a3).

5.Nf3 a5 6.b5 c6 7.c4 cb5 8.cb5 d5 9.a4 (9.e3 Bf5=) 9...Nbd7 10.Nbd2 Nb6 11.Rc1 Bf5 12.e3 Rc8 13.Be2 (13.Bc3 Qd6 14.Ba5 Rc1 15.Qc1 Na4=) 13...Ne4 (13...Rc1 14.Bc1 Qc8 15.Ba3=+) 14.0-0 (14.Ne4 Rc1 15.Bc1 Be4=) 14...h6 (14...Rc1 15.Qc1 Na4 16.Ne4 Be4 17.Nd2-/+) 15.Ne5 (15.Qb3 Qd6=) 15...f6 (15...Rc1 16.Qc1 Na4 17.Ne4 Be4 18.Ba3=+) 16.Nd3 (better 16.Ne4 Be4 17.Nd3=) 16...g5?? (better 16...Rc1 17.Qc1 Na4 18.Ne4 Be4=+) 17.Nc5 Rc7 (17...Nc5!? 18.dc5 Nd7+-) 18.Nde4+- de4 19.Qb3 (19.f3 Qd5+-) 19...Kh7 (19...Qd5!? 20.Qd5 Nd5+-) 20.f3 Bg6 (20...Qd5 21.Qd5 Nd5 22.fe4 Rc5 23.dc5 (23.Rf5?! Rc1 24.Bc1 Nc3+-) 23...Be4 24.Bf3 Bf3 25.Rf3+-) 21.fe4 (better 21.Ne6 Rc1 22.Bc1 Qd6 23.Nf8 Bf8+-) 21...e5? (21...Bf7 22.Qd3+-) 22.d5 (better 22.Ne6!? Rc1 23.Rc1 Qe8 24.Nf8 Qf8+-) 22...Qe7 23.Ne6 Rfc8? (23...Rc1 24.Nf8 Bf8 25.Bc1 Be4+-) 24.Nc7 Rc7 25.Ba3 Qd7 26.d6 Rc8 27.Rc8 Nc8 28.Rd1 (28.Rc1 Nd6 29.Qd1 Bf8+-) 28...Nb6 (28...Be4 29.Bd3 Bd3 30.Qd3 f5 31.Rc1+-) 29.Bd3 (29.Qc2 Na8+-) 29...Bf7 (29...Bf8 30.Bc5 Bf7 31.Qc2+-) 30.Qc2 (better 30.Qc3 Bh5 31.Rc1 Qe6+-) 30...Nc8 (30...Bf8 31.Bc5 Nc8 32.Be2+-) 31.Qc7 (better 31.Rc1 Nd6 32.Qc7 Qc7 33.Rc7 Nb5 34.Bb5+-) 31...Qe6 (31...Qc7 32.dc7 Bb3+-) 32.Bc4! Qc4 (32...Qg4 33.Rc1 Be8+-) 33.Qc4 Bc4 34.d7 Nb6 35.d8Q Bb3 36.Rd7 (36.Rd3 Bc2 37.Qc7 Kg6 38.Qc2 Na4 39.Qa4 f5 40.ef5 Kf6 41.Rd6 Ke7 42.Ra6 Kd8 43.Ra8 Kc7 44.Qa5 Kd7 45.Rd8) 36...Be6 (36...Nd7 37.Qd7 Kg6 38.Qb7 Bc4+-) 37.Qb6 Bd7 38.Qb7 Bg4 39.Qa7 (39.Bf8 Bd7 40.Qd7 Kg6 41.Qg7 Kh5 42.Qh6 Kg4 43.Qh3) 39...Bh5 40.Bf8 Bf7 41.Qf7 h5 (41...f5 42.Qg7) 42.Qg7 1–0. TwelveTeen (2705) – Pizza_in_winter (2635), lichess.org, 2018.

4.e3

4.e3 (--> 3.e3 Bg7 4.a3).

4.e3 0-0 5.d4 (--> 3.e3 Bg7 4.d4 0-0 5.a3).

4.e3 0-0 5.Be2 d6 6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.a3).

4.e3 0-0 5.Nf3 d5 6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d5 6.a3).

4.e3 0-0 5.Nf3 d6 6.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.a3).

4.e3 d5 5.Nf3 0-0 6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d5 6.a3).

4.e3 d5 5.Nf3 e6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 g6 5.Nf3 Bg7).

4.e3 d6 5.Nf3 0-0 6.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 d6 6.a3).

4.e4 0-0

5.Nc3 d6 6.d4 Nc6 7.d5 Nb8 8.Nf3 (8.Bd3 e6=) 8...e5 (better is 8...Ne4!? 9.Ne4 Bb2-/+) 9.Be2 Bg4 10.0-0 Nbd7 11.h3 Bf3 12.Bf3 (< 12.gf3 Nh5 13.Kh2 Qh4=+) 12...Nb6 13.Ne2 (13.Qd3 Nfd7+=) 13...Nc4 14.Bc3 Qd7 15.Qd3 Nb6 16.a4 a6 (16...Na4!? 17.Bd2 b5=) 17.a5+= Nc8 18.Ng3 Ne7 19.Be2 Ne8 20.f4 ef4 21.Bg7 Ng7 22.Rf4 f5 23.Raf1 fe4 (23...g5 24.R4f2 f4 25.Nh5+=) 24.Qe4 (24.Ne4!? Rf4 25.Rf4+/-) 24...Rf4+= 25.Qf4 Nef5 26.Bg4 Rf8 27.Nf5 Nf5 28.c4 Qf7 29.Qe4 Qe7?? 30.Bf5+- Qe4 31.Be4 Rf1 32.Kf1 Kf7 33.Kf2 Kf6 34.Ke3 Ke5 35.g3 b6 36.ab6 cb6 37.h4 a5 38.ba5 ba5 39.Bc2 h6 40.Bg6 a4 41.Bc2 a3 42.Bb3 Kf5 43.Kf3 Ke5 44.Ke3 Kf5 45.Kd4 Kg4 46.c5 dc5 47.Kc5 Kg3 48.d6 Kh4 49.d7 Kg3 50.d8Q h5 51.Qg5 Kf3 52.Qh5 Ke3 53.Qg4 Kd3 54.Qd4 Ke2 55.Kc4 Kf3 56.Kd3 Kg3 57.Qe4 Kf2 58.Kd2 Kg3 59.Bd5 Kh3 60.Qf3 Kh4 (60...Kh4 61.Qf4 Kh3 62.Bf3 a2 63.Qg4 Kh2 64.Qg2). erisonpassos – kryaga, kurnik, 2011.

5.d3 c6 6.Nf3 d6 7.Be2 Bg4 8.0-0 Qd7 9.Nbd2 Na6 10.Rb1 Rad8 11.Kh1 e5 12.Ng1 Be2 13.Qe2 Rfe8 14.f4 ef4 15.Rf4 Nh5 16.Rh4 Bb2 17.Rb2 d5 18.Rb1 de4 19.Re4 Re4 20.Ne4 Re8 21.Qh5 Re4 22.Qh6 Re5 23.Nf3 Rh5 24.Qe3+= Nc7 25.Re1 Nd5 26.Qe8 Qe8+= 27.Re8 Kg7 28.Rb8 Ne3 29.Rb7 Nc2 30.Ra7 Rd5 31.a4 Rd3 32.h3 Nb4 33.Ne5 Rd1 34.Kh2 Kf6 35.Nd7 Ke6 36.Nf8+= Kf6 37.Nh7 Kg7 38.Ng5 Kf6 39.Nf7 Nd5 40.Nd8 Rc1 41.a5 Rc2 42.a6 Nf4 43.Rf7 Ke5 44.Kg3 Nh5 45.Kg4 Nf6? 46.Kg5 Rg2 47.Kh6 Rg3 48.a7 Rh3 49.Kg6?? Rg3-/+ 50.Kh6 Ra3?? 51.Nc6+- Ke6 52.Rf8 Nd7?? 53.a8Q Ra8 54.Ra8 Kd6 (54...Kd6 55.Nb4 Nc5+-) 1–0. erisonpassos – deli1, kurnik, 2011.

5.d3 d5 6.ed5 Qd5 7.Nc3 Qc6 8.Qd2 Ng4 (8...Rd8 9.Nf3=+) 9.h3 Nh6 10.0-0-0 (10.Be2 Nf5= (10...Qg2?? 11.Bf3 Qh1 12.Bh1+-)) 10...Nf5=+ 11.Be2? (better is 11.Nge2=+) 11...b5?? (better is 11...Bh6 12.f4 Qg2-+) 12.Bf3+- Qb6? 13.Ba8 c6 14.g4 Nd6 15.Qe3 Bd4 16.Qe7 Rd8 17.Bc6! Nc6 18.Qe2 a5 19.Nd5?? Qa7?? 20.Bd4 Qd4 21.Ne7 Ne7+/- 22.Qe7 Nb7? 23.Nf3 Qd5 24.Qe4 Qd6 25.ba5 Na5 26.Qe5 Qa3+/- 27.Kd2?? Be6 28.Ng5?? Qb4 29.Qc3?? Qd6 30.Ne6+- fe6 31.Rhe1 Nc6 (31...Nc6 32.Qf6 Nd4+-) 1–0. erisonpassos – simoniv, kurnik, 2011.

5.e5 Nd5 6.c4 Nf4 7.g3 Ne6 8.d4 d6 9.d5+= Ng5 10.h4 Ne4 11.Bd3 Bf5 12.g4 Bg4? 13.Qg4+- f5 14.ef6 Bf6 15.Bf6 Nf6 16.Qe6 Kh8 17.Nf3 Nbd7 18.Ng5 Ne5 19.Ke2 Kg7?? 20.f4 Nd3 21.Kd3 Qe8? 22.Nd2 h6 23.Nge4 Ne4? 24.Ne4 Qf7 25.Qf7 Rf7 26.Raf1 Raf8 27.Nc3 c6 28.dc6 bc6 29.b5 cb5+/- 30.cb5 Rf4 31.Nd5?? Rf1-+ 32.Rf1 Rf1 33.Ne7 Rf7 34.Nc6 g5 35.hg5 hg5 36.Nd4 g4 37.Ne6 Kg6 38.Nd8 Rf8 (39.Ne6 Rf5-+; better is 38...Rf2 39.Ke3 g3 40.Ne6-+) 0–1. kamera – chasm, GameColony.com, 2002.

5.e5 Nd5 6.d4 e6 7.c4 Ne7 8.Nf3 d6 9.Be2 de5 10.de5 Nec6 11.0-0 (11.Qd8 Rd8 12.b5 Ne7+=) 11...Qd1 (11...Nd7 12.Qb3 Nde5 13.Ne5 Ne5 14.f4=) 12.Rd1 (12.Bd1!? Nd7 13.Re1+=) 12...Nd7= 13.Nbd2 Nde5 14.Ne5 Ne5 15.Be5 (15.f4 Nf3 16.Nf3 Bb2=+) 15...Be5=+ 16.Nf3? (better is 16.Rab1=+) 16...Ba1-+ 17.Ra1 b6 18.Nd4 (18.Rd1 Bb7-+) 18...Bb7 19.c5 bc5 20.bc5 Rad8 21.Nb5 c6 22.Na7?? Rd2 23.Bf3 Rfd8?? 24.h3 R2d3 25.Nc6 Bc6 26.Bc6 Rc3 27.a4 Rc5 28.Bb5 Ra8 29.Kh2?? Rb5! 30.ab5 Ra1 31.b6 Rb1 32.b7 Rb7 33.f4 Kg7 34.g3 Kf6 35.Kg2 h5 36.g4 hg4 37.hg4 Rb3 38.Kf2 e5 39.fe5 Ke5 40.g5 Kf4 41.Ke2-+ Kg5 (41...Kg5 42.Kd2 Rd3 43.Kc2 f5 44.Kd3 Kf4-+) 0–1. erisonpassos – marianmiu, kurnik, 2011.

5.Nf3 c6 (5...Ne4 6.Bg7 Kg7 7.d4=+) 6.Nc3 (6.e5 Nd5=) 6...d6 (6...Ne4 7.Bd3 d5 8.0-0-/+) 7.Be2 (7.d4 a5=) 7...Bg4 (7...Ne4 8.d4 Nc3 9.Bc3-/+) 8.0-0 (8.h3 Bf3 9.Bf3 d5 10.ed5 Nd5=) 8...Nbd7 (better is 8...Ne4!? 9.d4 Nf6-/+) 9.h3 Bf3 10.Bf3 (< 10.gf3 Nh5-/+) 10...d5 11.d3 Ne5 12.ed5 Nf3 13.Qf3 Nd5 14.d4 (14.Na4 a5=) 14...Nc3 15.Bc3 Rc8 16.Rad1 Qd5 17.Qe3 Qc4 18.Ba1 e6 19.c3 Rfe8 20.Rfe1 e5 21.de5+= Be5 22.f4 Bf4 23.Qe8= Re8 24.Re8 Kg7 25.Rd4 Qa2 26.Rf4 Qa1 27.Rf1 Qc3 28.Re7 Qc4 29.Ref7?? Qf7-+ 30.Rf7 Kf7 31.Kf2 Ke6 32.Ke3 Kd5 33.Kd3 b6 34.g3 c5 35.b5 c4 36.Kc3 Kc5 37.a4 Kd5 38.g4 g5 39.Kc2 Kd4 40.Kd2 c3 41.Kc2 Kc4 42.Kc1 Kd3 43.Kd1 Kc4 44.Kc2?? Kb4 45.Kd3 Kb3 46.Kd4 c2 0–1. erisonpassos – deli1, kurnik, 2011.

4.e4 d6

5.Bc4 0-0 6.d3 Nc6 7.Ne2 Ne5 8.Ba2 a5 9.0-0 ab4 10.ab4 Bg4 11.f3 Be6 (11...Bd7!?=) 12.Be6+/- fe6 13.Nd2 (13.Ra8 Qa8 14.Be5 de5+/-) 13...Nh5 14.d4 Nd7 15.f4 b5 16.e5 (16.Qe1 Nb6+=) 16...Bh6= Now all is on f4 17.g3 Ra1 18.Ba1 Qa8 19.Nc3 d5 (19...Ng7!? 20.Nb5 Qb8+=) 20.Nb5+/- Qb7 21.Qe2 Rb8 22.Nc3 Qb4 23.Qe3 Qa5 24.Ne2 Bf8 25.c4 Ng7 26.g4 Qa2 27.Nc3 Qc2 (27...Qa5!?+=) 28.cd5+/- ed5 29.Nd5 Nb6 30.Nb4 Qa4 31.Qc3 e6 32.Qc7 Qb4 33.Qb8 Qd2 34.Qb6 Qe3 35.Kg2 Qe2 36.Rf2 (better is 36.Kg1 Qe3 37.Rf2 Qe1 38.Kg2 Qe4 39.Rf3 Qe2 40.Kg3 Qe1 41.Kh3 Qa1 42.f5=) 36...Qg4-/+ 37.Kh1 Qd1 38.Kg2 Qg4 39.Kh1 Qd1 40.Kg2 Qa1 41.Rc2 Qd1 42.Rf2 h6 43.Rf1 Qe2 44.Rf2 Qe4 45.Kg1 Kh7 46.Qd8 Bb4 47.Rb2 Bc3 (47...Bc3 48.Rf2 Bd4-+) 0–1. Frank,Detlev (1820) – Kuhn,Gerd (2230), Pinneberg–ch, 2004. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e4 d6)

5.Bc4 0-0 6.Nf3 Ne4=+ 7.Bg7 Kg7 8.0-0 e5 (8...d5 9.Be2=+) 9.d4 ed4 10.Qd4 (10.Re1 f5=+) 10...Qf6 11.Re1 (11.c3 Re8=+) 11...Qd4 (11...Nc6 12.Qf6 Nf6 13.Nbd2-/+) 12.Nd4 Nf6 13.Nc3 Bd7 14.Bb3 (14.Rad1 c6=+) 14...Nc6 15.Nc6 Bc6 16.Re7 Bd7 17.Nd5 Rae8 18.Re8 Ne8 (18...Re8 19.Nc7 Rc8 20.Nd5=+) 19.Re1 (19.c4 c6 20.Ne3 f5=+) 19...c6 20.Re7 Bc8 (< 20...cd5 21.Rd7 Nf6 22.Rb7+/-) 21.Nc7 Nc7 22.Rc7 Kf6 23.Kf1 d5 24.b5 Ke6 25.bc6 Kd6 26.cb7 Kc7 27.bc8Q Rc8-/+ 28.Bd5 f5 29.Ke2 Kd6 30.Bb3 Ke5 31.Kd3 Rd8 32.Ke3 f4 33.Ke2 g5 34.Kf3 Rd2 35.g3 a5 36.gf4 gf4 37.Kg2 Rd1 38.Kf3 Rh1 39.Kg2 Ra1 40.a4 Ke4 41.c4 f3 42.Kh3 Rf1 43.c5 Rc1 44.Kg4 Rc5 45.Bd1 h5 46.Kh4 Kf4 47.h3 Rc1 48.Bb3 Rf1 49.Kh5 Rf2 (49...Rf2 50.Bc4 Rh2-+) 0–1. lonewolf – Savage, playchess.de, 2001.

5.d3 0-0 6.Nd2 e5 7.Be2 Nbd7 8.h4 (8.Ngf3 Nb6=) 8...h6 9.h5 g5 10.g4 (10.Kf1 Nb6=+) 10...Re8 11.Nf1 Nf8 12.Ne3 d5 13.Nf5 (13.ed5 Nd5 14.Bf3 e4 15.Bg7 ef3 (15...Kg7?! 16.Be4 Nc3 17.Qf3+=) 16.Bf8 Bg4=+) 13...Bf5-/+ 14.ef5 e4 15.de4 Re4 16.Kf1 d4 (better 16...c6!?-/+) 17.Bf3+= Rf4 (better 17...Re7!?+=) 18.Nh3+/- (18.Bb7?! Ng4 19.Bf3 Nf2 20.Kf2 g4=+) 18...Qd6 (18...Re4!?+/-) 19.Nf4+- Qf4 20.Bd4 (20.Kg2!?+-) 20...Rd8+/- 21.c3 Ne4 22.Be4 Qe4 23.f3 Qf4 24.Qe2 Bd4 25.cd4 Rd4 26.Rd1 Rd1 27.Qd1 Nd7 (better 27...Qc4!? 28.Kg2 Qa2 29.Kg3 Qa3+/-) 28.Kg2+- (28.Qd7?! Qf3 29.Kg1 Qg3 30.Kf1 Qf3 31.Kg1 Qg3 32.Kf1 Qf3=) 28...Ne5 (better 28...Nf6+-) 29.Re1 Nc4 (29...Kh7 30.Qd5 f6 31.Qb7 Qd2 32.Kf1+-) 30.Qd3 (better 30.Re8 Kg7 31.Qa1 f6 32.Re7 Kg8+-) 30...Qd2? (30...Nd6+-) 31.Qd2 Nd2 32.Re7 (32.f6!? Nc4+-) 32...Nc4 33.Rc7 Na3 34.Rb7 a6 (34...Nc2 35.b5 Na3 36.f6+-) 35.Rb6 Nc2 36.Ra6 Nb4 37.Rh6 Nd5 38.Rd6 Nf4 39.Kg3 Ne2 40.Kf2 Nf4 41.Ke3 (41.f6 Kh7+-) 41...Kg7 (41...f6 42.Ke4 Kg7 43.Rd7 Kg8 44.h6+-) 42.Ke4 (42.f6 Kh6+-) 42...Ne2 (42...f6 43.Rd7 Kg8 44.h6+-) 43.f6 Kh7 44.Kf5 Ng3 (44...Kh6 45.Rd8 Kh7 46.Kg5 Ng1+-) 45.Kg5 Ne2 (45...Nf1 46.Rd7 Kg8 47.Kh6 Ne3 48.Rd8) 46.Rd7 Kg8 (46...Ng1 47.Rf7 Kg8 48.Rg7 Kf8 49.h6 Nf3 50.Kh5 Nd4 51.h7 Nf3 52.h8Q) 47.Rd8 (47.Kh6 Nf4 48.Rd8) 47...Kh7+- 48.Rf8 Nd4 49.Rf7 Kg8 50.Re7 Nf3 51.Kh6 Nd4 52.g5 (52.Kg6 Kf8 53.Ra7 Ke8 54.f7 Kf8 55.Kf6 Ne6 56.Ra8 Nd8 57.Rd8) 52...Nf5= 53.Kg6 Nh4 54.Kh6 Nf5 55.Kg6 Nh4 56.Kh6 Nf5 ½-½. black_bishop_88 (2600) - life_li (2240), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.e4)

5.d3 0-0 6.Nf3 Nbd7 (6...a5 7.b5=) 7.Be2 Re8 (7...d5 8.e5 Ng4 9.d4=) 8.0-0 e5 (8...a5=) 9.d4 (9.Nc3 Nb6=) 9...Qe7 (better is 9...Ne4!? 10.Re1 ed4 11.Bd4 Bd4 12.Qd4 Qf6-/+) 10.de5= de5 (10...Ne5 11.Ne5 de5 12.Qd3=) 11.Nbd2 (11.Nc3 Rd8=) 11...c6 (11...c5 12.Bc4=) 12.Bd3 (12.c4 Rd8+=) 12...Rf8 (12...Rd8 13.c4=) 13.Nc4+= Rd8 14.Nfe5 Ne5= 15.Be5 b5 16.Bd6? Rd6 17.Nd6-/+ Qd6 18.Re1? Qe6?? 19.Rb1 Nd7 20.e5 Ne5 21.Be4?? f6?? 22.f4= Nc4 23.Bg6 Ne3 24.Qd8+/- Bf8 25.Bh7 Kh7? 26.Qf8+- Qe4 27.Rbd1 Qg2 0-1. badboy1221 - zaq, Live Game Caissa's Web, 2006.

5.f3 0-0 6.d4 e5 7.d5 c6 8.c4 Nbd7 (8...cd5 9.cd5 Nh5 10.Ne2=+) 9.Nc3 (better is 9.dc6!? bc6 10.Qd6+=) 9...cd5 10.cd5 Nb6 11.Rc1 Bd7 12.Bb5 a6 13.Bd7 Qd7 14.Nge2 Rac8 15.0-0 (better is 15.Ra1!?=) 15...Nc4-/+ 16.Qc2 Ne3 17.Qd3 Nf1 18.Kf1 Rc7 19.h4 (19.Nd1!? Rfc8-/+) 19...Rfc8 20.g4? (better is 20.Nd1-+) 20...h5 21.g5 (21.Kg2 hg4 22.fg4 Qg4 23.Qg3 Qg3 24.Ng3 Bh6-+) 21...Qh3 22.Kf2 Nd7 23.Rg1 Qh4 24.Rg3 Nb6 25.Nd1 Nc4 26.Ba1 f6 27.gf6 Qf6 28.Ne3 Ne3 29.Qe3 Rc2 30.f4 R8c3 31.Bc3= ef4 32.Bf6 fe3 33.Ke3 Bf6 34.Rg6 Kf7 35.Rg1 Ra2 36.Rh1 Ra3-+ 37.Kf4 h4 38.Kf5 Rf3 39.Kg4 Rf2?? 40.Nf4-/+ Be5 (41.Ne6 Bg3=+) 0-1. slavisa10 - alaric, Live Game Caissa's Web, 2004.

5.Nf3 0-0 6.d3 c5 7.Nc3 Nc6 8.b5 Nb8 (8...Nd4 9.Nd4 cd4 10.Nb1=+) 9.Be2= Nbd7 10.0-0 a6 11.a4 Qc7 12.Qd2 Ng4 13.Nd5 Qd8 14.Bg7 Kg7 15.Qc3 f6 16.h3 Nge5 17.Ne5 Ne5 18.f4 Nf7 19.Bf3 e5 20.fe5 Ne5 21.b6 Be6? 22.Nc7+- Bf7 23.Na8 Qa8 24.a5 Nf3 25.Rf3 Qd8 26.Raf1 Be6 27.d4 Qe7 28.dc5 dc5 29.Rd1 Rd8 30.Rd8 Qd8 31.e5 f5 32.Rd3 Qe7 33.Rd6 c4 34.Qd4 Qf7 35.Qc5 f4 36.Qc6 bc6-+ 37.Rc6 Bd5 38.Rc7 Qc7! 39.bc7 Be6 40.Kf2 Kf7 41.Kf3 Ke7 42.Kf4 Kd7 43.Ke4? Kc7 0–1. erisonpassos – bnono62 (1640), kurnik, 2011.

5.f4 0-0 6.e5 de5 7.fe5 Ng4 8.Nf3 Nc6 9.d4 (9.Qe2 Bf5=+) 9...Ne3 (9...Nce5!? 10.Qd2 Nf3 11.gf3 Nh6-/+) 10.Qd2=+ Nf1 11.Kf1 Be6 12.h4 Bd5 13.h5 Bf3 14.gf3 Qd5 15.Qd3 Rad8 16.Rh4 Qe6 17.Qe2 f6 18.c4 (better is 18.b5!? g5 19.Rg4=) 18...fe5-/+ 19.d5 Qf6 20.Rh3 Nd4 21.Bd4 ed4 22.hg6 hg6 23.Qe4 Qf5 24.Kg2 Qe4 25.fe4-/+ Rf4 26.Nd2 Rdf8 27.Rf1 Rg4 28.Rg3 Rg3 29.Kg3 Rf1 30.Nf1 Kf7 31.Nd2 Kf6 32.Nf3 e5 33.Ne1 Bf8 34.Nd3 b6 35.c5 bc5 36.bc5 Be7 37.a4 Bf8 38.Kf3 Bg7 39.a5 Ke7 40.a6 Kd7 41.Kg4 Bf6 42.Nb4 Be7 43.Nc6 Bc5 44.Ne5 Kd6 45.Nc4 Kd7 46.Kg5 Ke7 47.Kg6 d3 48.Kf5 Bb4 49.e5 d2 50.Ne3 Bc5 51.Nd1 Bb6 52.Ke4 Ba5 53.Kd3 c6 54.dc6 Ke6 55.Ne3 Ke5 56.Ke2 Ke6 57.Nc4 Bc7 ½–½. Fant,Goran (2235) – Lahlum,Hans Olav, Troll Masters, 1991.

5.h3 0-0 6.Nf3 (6.Qf3 Nc6=) 6...e5 (6...Ne4 7.Bg7 Kg7 8.d4-/+) 7.Bc4 (better is 7.Nc3!?=) 7...Ne4-/+ 8.d3 (8.0-0 Ng5 9.Nc3 Be6-/+) 8...Nf6 (8...Ng5 9.Nbd2-/+) 9.0-0 Nbd7 (9...c6 10.a4-/+) 10.Re1 c6 11.Nbd2 d5 (better is 11...a5!?-/+) 12.Bb3= b5 (12...a5 13.Ne5 Re8 14.Nd7 Re1 15.Qe1 Bd7 16.c4=) 13.Ne5 Ne5 14.Be5 (14.Re5? Nd7 15.Nf3 a5-+) 14...Bb7 (14...a5 15.a4+=) 15.d4 a6 (15...a5 16.c3+=) 16.Nf3 (16.a4 a5+=) 16...a5= 17.Bd6?? (better is 17.c3=) 17...Qd6-+ 18.ba5 (18.c3 Ne4 19.Qc2 a4-+) 18...Ra5 19.Ra2 (19.a4 Rfa8 20.c3 c5-+) 19...Ra3 (19...Rfa8 20.Ne5-+) 20.Ra3 Qa3 21.Ne5 Qd6 22.Qa1 Qb4 23.Nd3 Qd6 24.Qa7?? Qc7 25.Nc5 Ra8 26.Qb7 Qa5?? 27.Re2 Qa1=+ 28.Kh2 Rf8 29.Qc6= Qd4 30.Qb5 Ne4 31.Ne4+/- de4 32.Qc6 Qe5 33.g3 h5? 34.Re4 Qf6+/- 35.Qc5 Rd8 36.Qc7?? Qf2 37.Kh1 Rd1 (37...Rd1 38.Re1 Re1#) 0–1. pillsbury (2045) – carlopm (2000), net–chess.com, 2008.

4.Nf3

4.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.a3).

4.Nf3 0-0 5.e3 (--> 3.e3 Bg7 4.a3 0-0 5.Nf3).

4.Nf3 0-0 5.e3 d5 6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d5 6.a3).

4.Nf3 d5 5.e3 0-0 6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d5 6.a3).

4.Bf6 0-0??

5.c3 Bf6 6.d4 d6 7.e3 Nd7 8.Nf3 c5 9.Be2 b6 10.Nbd2 Bb7 11.0-0 a6 12.Rc1 b5 13.Re1 Bg7 14.Bf1 (14.c4!?=) 14...c4=+ 15.e4 e6 16.g3 e5 17.Bg2 Qc7 18.Nf1 (18.a4 Rae8=) 18...ed4 19.Nd4 Rae8 (19...Ne5 20.Re3-/+) 20.Ne3 (20.f4!?=+) 20...Be4 21.Be4 Re4 22.Nd5 Re1 23.Qe1 Qd8 24.Nc6 Qg5 (24...Qa8 25.Nde7 Kh8 26.Qd2-/+) 25.f4=+ Qh5 26.Rc2 (26.Qd2 Kh8=+) 26...Qd5?? (better 26...Nf6 27.Nce7 Kh8-/+) 27.Ne7+- (27.Ne7 Kh8 28.Nd5+-) 1-0. black_bishop_88 (2480) - deadpool14 (2400), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.Bg7+- Kg7 6.Qc1 d5 7.Qb2 f6 8.h4 (8.d4 Qd6+-) 8...c5 (8...e5 9.h5+-) 9.h5 e5 (9...cb4 10.hg6 ba3 11.Qa3 (11.Rh7 Kg6 12.Qa3 Kh7-/+; 11.Ra3?! hg6 12.Nc3 Nc6+-) 11...hg6 12.Qe3+-) 10.hg6 hg6 11.bc5 Nc6 12.e3 d4 13.Nf3 de3 14.de3 Ne7 (14...Qe7 15.Nc3+-) 15.Nbd2 Nd5 (15...Qc7 16.Ne4+-) 16.Ne4 (16.Bc4 Ne7+-) 16...Bf5 (16...Qa5 17.c3+-) 17.Nd6 Be6 18.Bc4 (18.Qb7 Qc7+-) 18...Nc7 (18...Qa5 19.Nd2 b6 20.0-0-0+-) 19.Be6 Ne6 20.Qb4 (20.Qb7!? Qc7+-) 20...b6 21.Qh4 (better 21.Rd1 Nc5 22.Nh4 e4+-) 21...Rh8 22.Qh8 Qh8 23.Rh8 Rh8 24.0-0-0 Nc5 25.Nd2 Rd8 (25...Rh2 26.Rg1+-) 26.N2e4 f5 (26...Ne4 27.Ne4 Rf8+-) 27.Nc5 bc5 (27...Kf6 28.Ncb7 Rh8 29.Nc4+-) 28.Nc4 (28.Nc4 Rd1 29.Kd1+-) 1-0. black_bishop_88 (2500) - alireza015 (2365), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.Bf6 ef6

5.c3 0-0 6.Nf3 Re8 7.e3 d5 8.Be2 c5 (better 8...f5!?=) 9.bc5+/- Nc6 10.0-0 f5 11.d4 b6 12.Ne5?? (better 12.Bb5 Bd7 13.Qa4+/-) 12...bc5?? (better 12...Ne5 13.de5 bc5=+) 13.Nc6+- Qc7 14.Ne7?? (better 14.Ne5+-) 14...Qe7 15.dc5 Qc5 16.Nd2 (16.Ra2!?=) 16...Qc3-/+ (worse 16...Bc3 17.Rc1 d4 18.Nb1=) 17.Rc1 (17.Bb5!? Rd8 18.Nb3-/+) 17...Qa3 18.Nb3 Qd6 19.Nd4 a5?? (better 19...a6-+) 20.Nb5= Qe6?? (better 20...Qe7 21.Nc7 Be6=) 21.Nc7+- Ba6 (21...Qe7 22.Na8 d4 23.Rc7+-) 22.Ne6 (22.Na6?! Ra6 23.Ba6 Qa6 24.Qd5 Be5+/-) 22...Re6 (22...Be2 23.Qe2 fe6+-) 23.Ba6 Rea6 24.Qd5 a4 25.Rc7 a3 (25...Rf8+-) 26.Qf7 Kh8 27.Qg7 1-0. muhammadaudii (1865) - Puertoaguamar (2200), Daily HyperBullet Arena, lichess.org, 2020.

5.c3 f5 6.d4 d5 7.e3 c6 8.Nf3 0-0 9.Bd3 Nd7 (9...f4 10.0-0=) 10.0-0+= a5 11.Nbd2 a4 12.Rc1 (12.c4 f4+=) 12...b5= 13.c4 (better 13.Re1!?=) 13...dc4-/+ 14.Bb1 Re8 15.Re1 Nf6 16.e4 (16.Qc2!?-/+) 16...fe4-+ 17.Ne4 Bf5 18.Nf6 Qf6 (18...Bf6?! 19.Re8 Qe8 20.Bf5 gf5 21.Qd2=+) 19.Bf5 Qf5 (19...gf5?! 20.Qc2=+) 20.Re8 Re8 21.h3 h5 (21...Qf4 22.Rc2-+) 22.Qd2 Kh7 23.Re1 Bh6 24.Qd1?? (24.Qc3 Re1 25.Ne1 Qb1-+) 24...Re4 (better 24...c3 25.Qa1 c2-+) 25.Re4 Qe4 26.h4? (26.Kf1 Qf4 27.Ne1 Kg8-+) 26...f6 (26...c3 27.Ng5 Bg5 28.hg5-+) 27.Kh2 (27.Qe1 Qd3 28.Qe7 Bg7-+) 27...Bf8 (27...c3!? 28.Ne1 Qh4 29.Kg1-+) 28.Kg1 Bd6 29.Kh1? (29.Qa1 Qc2 30.Ne1 Qb3-+) 29...Kg7 (better 29...Qd3 30.Qd3 cd3-+) 30.Kg1 Kf7 31.Kf1 Bf4 32.Kg1?? (32.Ne1 c3-+) 32...g5 (better 32...c3 33.Ne1 Qe1 34.Qe1 c2-+) 33.g3 (33.Ne1!? gh4 34.Qh5 Ke7 35.Qd1-+) 33...g4-+ 34.Ne1 Bh6 35.Nc2? (better 35.Kf1-+) 35...Qd3 36.Qe1 (36.Qb1-+) 36...Qc2 37.d5 (37.Kg2 Bc1-+) 37…cd5 (37...cd5 38.Qf1 Qe4-+) 0-1. black_bishop_88 (2535) - SouthAfricanWolf (2465), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.Bf6 Bf6

5.c3 a5 6.b5 b6 7.d4 Bb7 8.Nf3 d6 9.Nbd2 Nd7 (9...d5 10.Qb1=) 10.e4+= e5 11.Bd3 Bg7 12.0-0 0-0 13.Re1 Qe7 14.a4 Nf6 15.Rc1 Nh5 ½-½. black_bishop_88 (2540) - cheese101 (2385), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 a5 6.b5 b6 7.Nf3 Bb7 8.e3 0-0 9.Be2 d6 10.0-0 e5 11.d4 Bg7 12.de5 de5 13.Qd8 Rd8 14.Rd1 (14.Ra2 c5=) 14...Nd7 15.Nbd2 Nc5 16.Nc4 (16.Rab1 Rd7=) 16...e4 (16...Bf3 17.gf3 e4 18.Rd8 Rd8 19.Rd1 Rd1 20.Bd1=+) 17.Nd4= f5 18.g3 (18.Ra2!?=) 18...Bd5=+ 19.Nb2 Nb3 20.Rab1 Nd4 21.cd4 Ba2 (21...Rac8 22.Rbc1=) 22.Rbc1+= Bb3 23.Bc4 Bc4 24.Rc4 Rd7 25.Rdc1 Bf8 (25...Ra7 26.Rc6+=) 26.a4 (26.Rc7!? Rc7 27.Rc7 Ba3 28.Nc4+/-) 26...Ba3+= 27.R1c2 Rc8 28.Nd1 Rd6 (28...Bd6+=) 29.Nc3?? (29.R4c3 Bb4 30.Rc7 Rc7 31.Rc7 Ba3+-) 29...c6 (29...c5 30.Kf1=) 30.Ne2 (better 30.Nb1 Bb4 31.Rc6 Rdc6 32.Rc6+-) 30...c5= 31.Nf4 Kf7 32.h4 h5 33.d5 Bb4 (33...Kf6 34.f3 Ke5 35.Kf2=) 34.Kg2 Rcd8 35.Rc1 (35.f3!? ef3 36.Kf2 Rd5 37.Nd5 Rd5 38.e4=) 35...Rd5=+ 36.Nd5 Rd5 37.R4c2 Rd3 38.Kf1 (38.Ra1 Ke6=) 38...Ke6 (38...Ra3 39.Rd1 Ke7 40.Ke2-/+) 39.Ke2? (39.Ra1 Kd5=+) 39...Kd5 (better 39...Ra3!?-/+) 40.Rd1 c4 41.Rdc1 c3 42.f3? (42.Rb1 Kc5=+) 42...Kc5 (better 42...Kc4!? 43.fe4 fe4-+) 43.fe4 (43.Rb1!?-/+) 43...fe4-+ 44.g4 (better 44.Rb1-+) 44...hg4 45.Rg1 (45.Kf2-+) 45...Kc4 46.Rg4 Kb3 47.Rc1 Rd2 48.Kf1 Rh2 (better 48...c2 49.Rc2 Rc2 50.Rg6 Bc5-+) 49.Re4?? (49.Kg1 Ra2 50.Re4-+) 49...Rh1 50.Ke2 (50.Kg2 Rc1 51.h5 gh5 52.Re6-+) 50...Rc1 51.Kd3 Rc2 (51...Rd1 52.Ke2 c2 53.h5 c1Q 54.Rf4 Re1 55.Kf3 Qe3 56.Kg2 Rg1 57.Kh2 Qg3) 52.Rd4 Rd2 53.Ke4 Rd4 54.ed4 c2 55.d5 c1Q 56.d6 Qd1 (56...Qc4 57.Kf3 Qd3 58.Kf2 Bc5 59.Kg2 Qe2 60.Kh3 Bd6 61.h5 Qf3 62.Kh4 Qh5) 57.d7 (57.Ke5 Qd6 58.Ke4 Qf6 59.h5 Qf5 60.Ke3 Kc2 61.Ke2 Bc5 62.hg6 Qf2) 57...Qd6 (57...Qg4 58.Ke3 Bc5 59.Kd2 Qg2 60.Kd1 Bb4 61.d8Q Qc2) 58.Kf3 Qd7 (58...Qd3 59.Kf4 Bd6 60.Kg5 Qf5 61.Kh6 Bf8 62.Kh7 Qf7 63.Kh8 Qg7) 59.h5 (59.Kg3 Qd3 60.Kf4 Bd6 61.Kg5 Qf5 62.Kh6 Bf8 63.Kh7 Qf7 64.Kh8 Qg7) 59...Qe6 (59...Qf5 60.Kg2 Qg4 61.Kf2 Bc5 62.Ke1 Kc2 63.Kf1 Qf3 64.Ke1 Qd1) 60.Kg3 (60.hg6 Qf5 61.Kg2 Qg4 62.Kf2 Bc5 63.Ke1 Qe4 64.Kd1 Bb4 65.g7 Qc2) 60…Qf5 (60...Qf5 61.Kg2 Qg4 62.Kf2 Bc5 63.Ke1 Kc2 64.Kf1 Qf3 65.Ke1 Qd1; 60...Qe3 61.Kg2 Qe2 62.Kh3 gh5 63.Kg3 Bd6 64.Kh4 Qg4) 0-1. black_bishop_88 (2545) - KPrometeo (2500), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 a5 6.d4 ab4 7.cb4 0-0 8.e3 b6 9.Nf3 Bb7 10.Nbd2 d6 (10...c5 11.bc5 bc5 12.Rb1=+) 11.h4 (11.Bd3 e5=) 11...Nd7 12.h5 c5 13.hg6 hg6 14.bc5 bc5 15.Bd3 (15.Bc4 e6=) 15...cd4=+ 16.Nd4 Bg2 17.Rh2 Bb7 (17...Bd5 18.Be4 Be4 19.Ne4 Qa5 20.Ke2 Be5-/+) 18.Qg4?? (18.Bg6!? fg6 19.Qb3 d5 20.Qb7=) 18...Bg7 (18...Ne5 19.Qh3 Nd3 20.Ke2 Nf4 21.ef4 Ba6 22.Ke1 Re8 23.Nf5 gf5 24.Rg2 Bg7 25.Qg3 Bd3 26.Qg7) 19.Qh3 (19.Bc4 d5 20.Qh4 Nf6=+) 19...Nf6 20.N2f3? (20.Ne6 Bc8 21.Nd8 Bh3=+) 20...Re8 (20...e5 21.Ne6 Qa5 (21...fe6?! 22.Qe6 Rf7 23.Bg6-/+) 22.Nd2 Bc8-+ (22...fe6?! 23.Qe6 Rf7 24.Bg6=)) 21.Ng5?? (better 21.Nd2-/+) 21...Qa5-+ 22.Ke2 Qg5 23.Rah1 (23.f4 Qh5 24.Kd2 Qa5 25.Ke2-+) 23...Bh1 24.Rh1 Ra3 25.Nf3 (25.Rc1 Ra2 26.Rc2 Rea8-+) 25...Qd5 (25...Ra2 26.Kf1 Qd5 27.Ne1-+) 26.Rd1 Qb3 (26...Rea8 27.Qh4-+) 27.Rd2 (27.Nd4 Ra2 28.Rd2 Rd2 29.Kd2 Qd5-+) 27...Ra2 (27...e5 28.Nh2-+) 28.Qh4 Rd2 (28...Nd5 29.Ra2 Qa2 30.Kf1-+) 29.Nd2 Ra8 (better 29...Qe6-+) 30.Nb3+- Ra2 31.Nd2 Nd5 32.Qc4 (32.Bc4 Ra4 33.Kf3 Kf8+-) 32...Nc3 33.Kf3 Rd2 34.Qc8?? (better 34.Bg6 Nd5 35.Bh5+-) 34...Kh7-/+ 35.Qh3 Kg8 36.Qf1?? (36.Qc8 Kh7 37.Qh3 Bh6 38.Bc4-/+) 36...Nd1 (better 36...Rd1 37.Qh3 Rd3 38.Qc8 Bf8-+) 37.Be2=+ Nc3 38.Bc4?? (38.Bd3 Rd1 39.Qh3 Rd3 40.Qc8 Bf8-+) 38...e5?? (38...d5 39.Ba6 Ra2-+) 39.Qg1?? (better 39.Bf7 Kf7 40.Qc4 Nd5 41.e4=) 39...d5-+ 40.Bb3?! (40.Ba6-+) 40...Ne4 (better 40...e4 41.Kg2 Rb2 42.Bd5 Nd5-+) 41.Bd5=+ Nf2 42.e4 Nh3 43.Qa7 Attacking the backward pawn on f7 43...Nf4 (43...Ng5!? 44.Kg3 Kh7=+) 44.Qf7= (44.Qf7 Kh7 45.Bc4=). black_bishop_88 (2510) - Curumcarmeruk (2390), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 a5 6.d4 ab4 7.cb4 c6 8.Nf3=+ 0-0 9.Nc3 d5 10.e3 Nd7 11.Be2 e5 12.0-0 ed4 13.Nd4 Ne5 14.a4 White prepares the advance b5 14...Bg7 15.b5 c5 16.Nb3 b6 17.Qd5 (better 17.a5 Be6 18.a6=) 17...Qe7?? (better 17...Be6 18.Qd8 Rfd8-/+) 18.Qa8+- Bb7 (18...Be6 19.Qa6 Nd7 20.Rfc1 Bb3 21.a5+-) 19.Nd5 (better 19.Qa7!? Nd7 20.Qb7 Bc3+-) 19...Qd7 (19...Ra8 20.Ne7 Kf8 21.f4 Ke7 22.fe5 Be5 23.Bc4 Ba1 24.Rf7 (24.Na1?! f5+-) 24...Kd8 25.Rb7 (worse 25.Na1 Ra4 26.Rb7 Rc4+-) 25...Ra4 26.Be6+- (26.Rb6?! Rc4 27.Rc6 Be5+-; 26.Rh7?! Rc4 27.Na1 Rc1 28.Kf2 Ra1+-; worse 26.Na1 Rc4 27.Kf2 Ra4+-)) 20.Nb6 Qc7 (20...Ra8 21.Nd7 Nd7 22.Rad1+-) 21.Nd5 (better 21.Qa7 Kh8 22.a5+-) 21...Qd7 (21...Ba8?? 22.Nc7 c4 23.Nd4+-) 22.Nc5 Qd5 (22...Ra8 23.Nd7 Nd7 24.Nc7+-) 23.Qb7 Qc5 24.Rac1 (24.Rfc1 Qb4+-) 24...Qa3 25.b6 (25.Qa6!? Nd3 26.Bd3 Qd3+-) 25...Qa4 26.Qa6 (26.Qc7 h6+-) 26...Qb4 (26...Qe4 27.Rc8 Nd7 28.Rd1+-) 27.b7 Nd7 28.Rc8 Nb8 29.Rf8 (better 29.Qa8!? Be5 30.Rfc1 Kg7+-) 29...Bf8 30.Qa8 Bd6 31.g3 (better 31.Rc1 Kg7+-) 31...h5 (31...Qb2 32.Rd1 Qf6+-) 32.Rc1 Kg7 33.Rc8 Qe1 (33...Qb1 34.Bf1 Nd7+-) 34.Bf1 h4 35.Rb8 hg3 36.Rg8 Kh6 37.Rh8 (better 37.hg3 Qb1 38.Qd8+-) 37...Kg5 38.Qd8 Kf5 39.hg3 (39.Qd7 Kf6 40.Qd6 Kf5 41.Qf4 Ke6 42.Re8 Kd7 43.Qa4 Kd6 44.b8Q Kd5 45.Qe5) 39...Bg3 40.Qd5 Be5 41.Qf3 (41.Qf7 Bf6 42.Qd7 Ke4 43.Qe6 Be5 44.Rh4 Kf3 45.Qg4) 41...Ke6 42.Rh7 (42.Rh7 Bb8 43.Qf7 Ke5 44.f4 Ke4 45.Qc4 Kf5 46.Qd5 Be5 47.Rf7 Kg4 48.Qd7 Kf3 49.fe5 Ke3 50.Qd3; 42.Re8 Kd7 43.Qf7 Kc6 44.Rc8 Bc7 45.Rc7 Kd6 46.Qe7 Kd5 47.Rc5) 1-0. black_bishop_88 (2500) - zaqvili (2480), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 c5 6.d4 (6.bc5!? b6 7.cb6 Qb6 8.d4+=) 6...cb4 7.ab4 Nc6 (7...d5 8.e3=) 8.e4 e5 (8...d5!?+=) 9.d5+/- Ne7 10.Nf3 (10.d6!? Nc6 11.Nf3+/-) 10...d6+= 11.Bb5 Bd7 12.Bd7 Qd7 13.0-0 0-0 14.Qd3 Bg7 15.Nbd2 f5 16.Rfe1 f4 (16...Bh6!?+=) 17.Ng5+/- h6 18.Ne6 Rf6 19.Qh3 Qe8? (19...a6 20.Nc4 Ra7 21.Qf3+-) 20.Nf3 (better 20.Nc7!? Qd8 21.Na8 Qa8+-) 20...Qf7 (20...Qc8 21.c4!+/-) 21.c4 g5 22.c5 Nc8 23.cd6 Rg6 24.Rec1 (24.Ng7!? g4 25.Ne5 gh3 26.Nf7 Kf7+-) 24...g4 25.Qh5?? (better 25.d7 Qd7 26.Qh5 Re6 27.de6 Qe6 28.Nd2+/-) 25...gf3=+ 26.Rc7?? (better 26.Qf3 Nd6 27.Rc7=+) 26...Rg2-+ 27.Kh1 Qh5 28.Rg7 Rg7 29.Ng7 Kg7 30.d7 Nb6 (better 30...Nd6 31.d8Q Rd8 32.Rb1 Ne4 33.Rc1 Qg4 34.Rc7 Kf8 35.Rf7 Kf7 36.d6 Nf2) 31.Ra7 Nd7 (31...Qg6 32.d8Q Qg2) 32.Ra8 Qg4 33.Rg8 Kg8 (33...Kg8 34.h3 Qg2) 0-1. black_bishop_88 (2550) - GMcanty (2500), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 d5 6.d4 0-0 7.Nd2 e5 8.e3 ed4 9.cd4= b6 10.Rc1 Bf5 11.Ngf3 c5 (better 11...Qd6!?=) 12.bc5+/- bc5 13.Rc5 (13.dc5?! Bb2 14.Be2 Bc1 15.Qc1 Nc6=) 13...Nd7 (13...Be7!? 14.Rc3 Nd7+/-) 14.Rd5+- Rb8 15.Be2 Be6 16.Rb5 Rb5 17.Bb5 Qa5 18.Bd7 (18.Qa4!? Qc7+-) 18...Bd7+/- 19.0-0 Qa3 20.Ne4 Bg7 21.Qa1 Qe7 (21...Qa1 22.Ra1 Rc8 23.Ne5 Be5 24.de5+/-) 22.Nc5 (better 22.Qa7!? Rd8 23.Nc5+-) 22...Bc6+/- 23.Nd2 Qg5 24.Nce4 Qg4 25.f3 Qe6 26.Rc1 f5 27.Qa6 Rc8?? (better 27...Bd5 28.Qe6 Be6+/-) 28.d5+- Qe8 29.Rc6 (29.dc6?! fe4 30.Ne4 Rc7+-) 29...Rc6 (29...Rb8 30.Re6 Qd8+-) 30.dc6 fe4 (30...Qe6 31.Qc4 Qc4 32.Nc4 fe4 33.c7 ef3 34.c8Q Kf7 35.Qd7 Kf6 36.e4+-) 31.c7 1-0. black_bishop_88 (2540) - Muslimbek_01 (2160), 1st CL WorldCup G3 Qualif, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 d5 6.d4 0-0 7.e3 Bf5 8.Nd2 (8.Bd3 Bd3 9.Qd3 Nd7=) 8...b6 9.g4 Be6 10.h4 Qd7 11.g5 Bg7 12.Bh3 c5 13.Be6 Qe6 14.Nh3 (14.Ne2 Qf5=) 14...Nc6 (better 14...cd4!? 15.Nf4 Qf5 16.cd4 Bd4-/+) 15.Nf4= Qf5 16.Qb1 e5 (better 16...Qd7!? 17.b5 Na5=) 17.Qf5+/- gf5 18.Nd5 Rfd8 19.Nf6 Bf6 20.gf6 cd4 21.Rg1 Kf8 22.cd4 ed4 23.Nf3 de3 24.Ng5 (better 24.fe3 f4 25.b5+- (25.ef4?! Nd4 26.Kf2 Nf3 27.Kf3 Rd3 28.Kg4 a5+/-)) 24...Rd6?? (better 24...Nd4 25.Nh7 Ke8 26.fe3 Nc2 27.Ke2 Na1 28.Ra1 Rac8=+) 25.Nh7+- Ke8 26.Rg8 (26.Rg8 Kd7 27.Ra8 ef2 28.Kf2+-) 1-0. black_bishop_88 (2485) - AdamvonLeipzig (2410), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 d5 6.d4 Nc6 7.Nd2 e5 8.e3 0-0 9.Bb5 Qe7 10.Bc6 bc6 11.Ne2 Ba6 (11...ed4 12.Nd4 c5 13.bc5 Qc5 14.Qb3=+) 12.0-0 Bg7 (12...ed4 13.cd4 c5 14.Nc3 Bf1 15.Nd5=+) 13.Re1= f5 Black intends e4 14.a4 e4 (14...Rae8 15.Nf3=) 15.Nb3+= Bc8 16.Nc5 g5 17.c4 f4 18.ef4 (18.Qb3 Qf7 19.Nc3 Rd8+/-) 18...gf4= 19.cd5 cd5 20.Nc3 c6 21.Qh5? (21.f3!? Qf6 22.Ne2=+) 21...Rf5 (better 21...Bd4 22.Nd5 Qg7-+) 22.Qh3?? (better 22.Qd1-/+) 22...Rg5-+ (22...Bd4?! 23.Rac1-+) 23.Nd5 cd5 24.Qb3 f3 25.g3 Bd4 (better 25...Qf7-+) 26.Re4-/+ Qf6 27.Re8 Kg7 (27...Kf7 28.Ne4 Bf2 (28...Ba1?! 29.Nf6 Bf6 30.Qc2 Ke8 31.Qc6 Kf7 32.Qa8-/+; 28...Ke8?! 29.Nf6 Bf6 30.Re1 Kf7 31.Qf3=) 29.Kf2 Qd4 (29...Qa1 30.Nd6 Kg6 31.Rg8 Kf6 32.Qf3 Rf5 33.Nf5 Qb2 34.Kg1 Qb1 35.Kg2 Qc2 36.Kh1 Qc1 37.Kg2 Qb2 38.Kg1 Qc1 39.Kg2 Qd2 40.Kh1 Qe1 41.Kg2 Qd2 42.Kh1 Qe1 43.Kg2 Qd2=) 30.Qe3 Qe3 31.Ke3 de4 (31...Ke8 32.Ng5 Bg4 33.Nh7+/-) 32.Re4 Bb7-+) 28.Rae1-/+ Qf5 (28...Qg6 29.Qd1 Rg3 30.Kh1-+) 29.R8e7 (29.Qd1!? Bc5 30.bc5-/+) 29...Kh6-+ 30.Ne6 (better 30.Rd1 Qf6 31.Rde1-+) 30...Qh3?? (better 30...Be6 31.R7e6 Rg6 32.Rg6 hg6-+ (32...Qg6?! 33.Qf3 Qf6 34.Qf6 Bf6 35.f4-/+)) 31.Qf3 (better 31.Rh7! Kh7 32.Ng5 Kg6 33.Nh3 Bh3 34.Qd3 Bf5 35.Qd4+-) 31...Rf5+= 32.Rh7?? (better 32.Nf4 Bf6 33.Rc7 (33.Nh3? Rf3 34.Re8 Bd4-+) 33...Rf4 34.Qf4 Kg6 35.Qd6+-) 32...Kh7-+ 33.Ng5 (33.Nf4 Qh6 34.Qd3 Bg7 35.Nd5 Qd6-+) 33...Rg5 34.Re7 (34.Qd3 Kg8 35.Qd4-+) 34...Bg7 35.Qd3 Bf5 (35...Kg8 36.b5-+) 36.Qd5 Bg6 (better 36...Rc8 37.Re1 Rc2-+) 37.Qg5 Rd8?? (better 37...Re8-+) 38.Rg7+/- Kg7 39.Qd8 Be4?? (better 39...Qg4 40.h3 Qc4+/-) 40.Qd4 Kf7 (40...Kf8 41.Qe4 Qd7 42.b5+-) 41.Qe4 Qe6 (41...Qc8 42.b5 Qc5+-) 42.Qe6 Ke6 43.h4 Kd5 44.h5 Kc4 45.h6 Kb4 46.h7 Ka4 47.h8Q Kb4 48.Qa1 (48.g4 Kb5+-) 48...a5 49.g4 Kb5 50.g5 a4 51.g6 a3 (51...Kb4 52.g7 Kb3 53.g8Q Kb4 54.Qd5 a3 55.Qad4) 52.g7 Kc4 (52...Kc5 53.g8Q Kb6 54.Qe6 Kb5 55.Qc3 a2 56.Qec6) 53.g8Q Kc5 (53...Kb4 54.Qd4 Kb5 55.Qgc4 Ka5 56.Qdc5) 54.Qga2 (54.Qe5 Kb4 55.Qgb8 Kc4 56.Qbb5) 54...Kc6 (54...Kd6 55.Qf6 Kc5 56.Qb3 a2 57.Qfb6) 55.Qa3 (55.Qc4 Kb6 56.Qb1 Ka5 57.Qbb5) 55...Kb6 (55...Kd7 56.Qe5 Kc8 57.Qa8 Kd7 58.Qae8) 56.Q1b2 (56.Qd6 Kb5 57.Qaa6) 56...Kc7 (56...Kc6 57.Qf6 Kd5 58.Qd3 Kc5 59.Qfd6) 57.Qac3 (57.Qac3 Kd6 58.Qf6 Kc5 59.Qbc3 Kd5 60.Qcc6; 57.Qe7 Kc6 58.Qbb7) 1-0. black_bishop_88 (2520) - deadpool14 (2500), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 d5 6.d4 Nc6 7.e3 a6 8.f4 Bg7 9.Nf3 0-0 10.Bd3 f6 11.c4 e5 12.cd5 Qd5 13.Nc3 Qd6 14.d5 (14.Ne4 Qd5=) 14...Ne7 15.0-0 (15.Bc4!? Nf5 16.fe5 fe5 17.Qd3=) 15...ef4-/+ (15...Nd5? 16.Bc4 c6 17.e4+- (17.Bd5?! cd5 18.Qd5 Qd5 19.Nd5 ef4=; worse 17.Nd5 cd5 18.fe5 fe5 19.Bd5 Kh8+/-)) 16.ef4 Qf4 (worse 16...Nd5 17.Bc4 c6 18.Nd5 cd5 19.Qd5 Qd5 20.Bd5 Kh8 21.Rad1+=) 17.Rc1 Qd6 18.Ne4 Qb6 (18...Qd5?? 19.Bc4 (19.Rc7?! Nc6+/-) 19...c6 20.Qe2+-) 19.Nc5 Nd5 (19...Bh6 20.Rc3=+) 20.Bc4 c6 21.Bd5 cd5 22.Qd5 Kh8 23.Nd4 Rd8 24.Qc4 f5 25.Nde6 (25.Nf3 Re8=+) 25...Be6-/+ 26.Qe6 Bd4 27.Kh1 Bc5 28.Qe5 Kg8 29.Rc5 Qd6 30.Qc3 Qd4 31.Qb3 Kh8 32.Rfc1 Rd7 33.h3 Re8 34.a4 White intends b5 34...Kg7 35.b5 ab5 (35...Re3 36.R5c3 Rc3 37.Rc3 ab5 38.Qb5 Qc3 39.Qd7 Kh6 40.Kh2-/+) 36.ab5 Ree7 37.b6 f4 38.Rc8 Qe3 (38...Qd5 39.Qc3 Kh6 40.Qb4-/+) 39.Qg8 Kh6 40.Qf8 Kh5 41.Rf1 (41.R8c5 g5 42.Qf6 h6-/+) 41...Rf7 42.Rc5? (better 42.Qb4=+) 42...g5-+ 43.Rg5 (43.Qc8 f3 44.g3 Qe2 45.Rg5 Kg5 46.Qc5 Kg6-+) 43...Kg5 44.Qg8 Kf6 (44...Kh6!? 45.Qg4-+) 45.Qg4 Ke7 (45...Qb6?! 46.Rf4 Ke5 47.Qg5 Kd6 48.Qh6 Kc7 49.Rc4 Qc6 50.Rc6 bc6 51.Qe3-/+) 46.Qg5 Ke8 47.Qg8 Rf8 48.Qc4 (48.Qg5 Rd6-+ (48...Qb6 49.Re1 Qe3 50.Re3 fe3 51.Qe5 Re7 52.Qb5 Kf7 53.Qd5 Re6 54.Qf5 Ke7 55.Qc5 Ke8 56.Qc8 Kf7 57.Qd7 Kf6 58.Qd4 Kg6 59.Qg4 Kf6 60.Qd4 Ke7 61.Qc5 Rd6 62.Qe5 Kd7 63.Qg7 Ke8 64.Qe5 Kd7 65.Qg7 Ke8 66.Qe5 Kd7=)) 48...f3 49.Qc8 (49.gf3 Qb6 50.Qc8 Qd8 51.Re1 Kf7 52.Qc4 Kg7-+) 49...Ke7 50.Qf8 Kf8 51.Rf3 Qf3! 52.gf3 (52.gf3 Rd6 Combination) 52...Rd6 53.Kg2 Rb6 54.Kg3 Rf6 55.h4 (55.Kf2 b5 56.Ke3-+) 55…Ke7 (55...Ke7-+) 0-1. black_bishop_88 (2550) - AyMisho (2555), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 Bg7 6.d4 0-0 7.Nd2 a5 8.e3 (8.Ngf3 d5=) 8...ab4 9.ab4 Ra1 10.Qa1 b6 (10...d5 11.Ngf3=) 11.Ngf3 (11.Qa8 Nc6+=) 11...Bb7 12.Be2 d6 13.0-0 c5 14.bc5 bc5 15.Rb1 Qc7?? (better 15...Bc6=) 16.Qa7+- cd4 17.cd4 (17.Qb7?! Qb7 18.Rb7 dc3+/-) 17...Rc8 18.Rb7 Qc1 19.Bf1 Nc6 20.Qa6 Qd1 1-0. black_bishop_88 (2535) - A_H_Kashefi (2430), 1st CL WorldCup Semifinal, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 Bg7 6.Nf3 0-0 7.h4 (7.d4 d5=) 7...d5=+ 8.h5 d4 (better 8...e5!?=+) 9.cd4 Bd4 10.Nd4 Qd4 11.Nc3 Nc6 (11...g5 12.e3 Qd6 13.d4+/-) 12.e3+/- Qg7 13.hg6 hg6 (13...fg6 14.Bc4 Kh8 15.d4+/-) 14.d4 a6 (14...e5 15.d5 Ne7 16.e4+/-) 15.Bc4 (15.Nd5 Bd7 16.Rc1 Rfd8+-) 15...e6 (15...e5 16.d5 Rd8 17.Rc1+/-) 16.Qf3+- Ne7 (better 16...f5+-) 17.0-0?? (better 17.Ne4 f6 18.Nc5+-) 17...Nf5 18.Ne4 c6 (18...Bd7 19.d5+/-) 19.g4 Nh6?? (19...Nh4 20.Nf6 Kh8+/-) 20.Qf6 (better 20.Nf6 Kh8 21.g5+-) 20...Qf6 (better 20...Ng4!? 21.Qh4 f5+=) 21.Nf6+/- Kg7 22.g5 Nf5 23.Bd3 (23.Kg2 Rd8+/-) 23...Nh4 (23...Ne7 24.Rac1+/-) 24.f4 Rh8 25.Kf2 Nf5 (25...a5+-) 26.Bf5 (better 26.Rh1!? Rd8 27.Rh7 Kf8 28.Rah1+-) 26...ef5+/- 27.Rh1 Be6 28.Rh8 Rh8 29.Kg2 b6 (29...Kf8 30.a4+=) 30.Rh1 (30.Rc1 Rc8+/-) 30...Rh1 (30...Bd5 31.Nd5 Rh1 32.Kh1 cd5 33.a4=) 31.Kh1+= a5 32.Kg2 ab4 33.ab4 Kf8 34.Kf2 Ke7 35.Ke2 Kd6 36.Kd3 c5 37.bc5 bc5 38.Kc3 cd4 (38...Kc6 39.Kc2+=) 39.Kd4 (39.ed4 Ba2+=) 39...Kc6 40.Ke5 Kc5 41.Ng8 Kc4 42.Ne7 Kd3 43.Ng6 Ke3? (better 43...fg6 44.Ke6 Ke3=) 44.Ne7 Kf3 45.Nf5 Kg4 46.Nd6 (better 46.Nh6 Kf3+-) 46...Kh5?? (better 46...Bb3+-) 47.Kf6 Bc4 (47...Bd5 48.Nf7 Be4 49.f5+-) 48.f5 White intends g6 (better 48.Nc4 Kg4 49.f5 Kf4+-) 48...Bd5 49.Nf7 Bc4 (49...Bf7 50.Kf7 Kg5 51.Ke6+-) 50.g6 Bb3 51.g7 (51.g7 Kh4 52.g8Q Bd5 53.Qg5 Kh3 54.Qe3 Kg2 55.Qd2 Kg3 56.Qd5 Kf4 57.Qd3 Kg4 58.Ng5 Kf4 59.Qf3) 1-0. black_bishop_88 (2485) - BoJet (2600), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.Nc3 0-0 6.d4 d6 7.Ne4 Bg7 8.h4 (8.e3 e5 9.d5 f5=+) 8...Nc6 (8...e5 9.d5-/+) 9.c3 Bf5 (9...f5 10.Nd2=+) 10.Ng3= Bg4 11.h5 e5 12.f3 Bd7 13.d5 Ne7 14.e4 f5 (14...g5 15.h6 Bh8 16.Bd3=+) 15.h6 (better 15.hg6!? hg6 16.ef5 gf5 17.Nh5=) 15...Bh8-/+ 16.Qd2 f4 17.N3e2 Bf6 18.c4 c6 (18...Nc8 19.Nh3-/+) 19.Rd1 (19.dc6 Bc6 20.g3 fg3 21.Ng3 Kh8=+) 19...cd5-/+ 20.cd5 a5 21.ba5 Qa5 (21...Nc8!?-/+) 22.Qa5=+ Ra5 23.g3 (23.Rb1 Rb8 24.Rb3 b5=+) 23...g5 (better 23...fg3!? 24.Rb1 Ra3-/+) 24.gf4 ef4 25.Bh3 (25.Rb1!?=) 25...Bh3-/+ 26.Nh3 Ng6 27.Nf2 (better 27.Rg1!? Ra3 28.Ng5 Bg5 29.Rg5 Rf3 30.Rb1=+) 27...Ra3-+ 28.Ng4 (28.Rd3 Ra1 29.Kd2 Ra2 30.Ke1 Ne5-+) 28...Ne5 (better 28...Rf3!? 29.Rb1 Ra3-+) 29.Ne5-/+ Be5 30.Rg1 Rf3 31.Rg5 Kf7 (31...Kh8 32.Rc1-/+) 32.Rb1 (32.Rc1 Re8=+) 32...Rb8-/+ 33.Ng1? (better 33.Rf5!? Kg6 34.Rb6-/+) 33...Re3-+ 34.Kf2 Re4 35.Nf3 Kf6 (35...Bf6!? 36.Rb6 Ke7 37.Rg1-+) 36.Rg7-/+ b5 37.Rh7 b4 38.Rd7 b3 39.h7 Kf5?? (better 39...Reb4-+) 40.Rg1 (40.Nh4 Kf6 41.Rb3 Ra8+=) 40...Bf6? (better 40...Rc4 41.Ne5 Rc2 (41...Ke5?? 42.Rg8 Rc2 43.Kg1 Rc1 44.Kh2+-) 42.Kf3 Rc3 43.Ke2 de5-/+) 41.Rd6?? (better 41.Rf7 Ree8 42.Rg5 Ke4 43.Rf6+=) 41...b2?? (41...Ree8 42.Rb1 Rb7 43.Ra6-+) 42.Rb1 (better 42.Rg8 Bg7 43.h8Q Re2 44.Ke2 Re8 45.Re8 Bh8 46.Nh4 Kg4 47.Rg6 Kh3 48.Rh8 b1Q 49.Nf3) 42...Rc4 43.Ke2 Rc2 44.Kd3 Rc1?? (better 44...Rc3 45.Ke2 Re8 46.Re6 Re6 47.de6 Rc7-+) 45.Rf6= Kf6 46.Rb2 Rd1 47.Kc2?? (better 47.Ke4 Re8 48.Kf4 Rd5 49.Rb6 Kg7 50.Ng5=) 47...Rh8?? (better 47...Rb2 48.Kd1 Rb1 49.Ke2 Rh1-/+) 48.Kd1+- Rh7 49.Rf2 (49.Rb6 Kf5 50.Re6 Ra7+-) 49...Kf5 (49...Ke7 50.Rd2 Kd6+-) 50.Ke2 (better 50.Rd2+-) 50...Rd7+/- 51.Nd2 (better 51.Nh4!? Ke5 52.Ng6 Kd5 53.Kf3+/-) 51…Rd5= 0-1. black_bishop_88 (2480) - Talzinho_MN (2470), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.Nc3 Bg7 6.e4 0-0 7.f4 c6 8.Nf3 d5 9.e5 Na6 (9...f6 10.d4=+) 10.d3 (10.Ba6!? ba6 11.Rb1+=) 10...Nc7 11.Be2 (11.d4 Bg4=+) 11...Ne6 12.Qd2 c5 (12...f6 13.d4=) 13.0-0 Nd4 (13...d4 14.Ne4=) 14.Nd4 (better 14.bc5!? Nf5 15.d4+/-) 14...cd4=+ 15.Nb5 Qb6 16.a4 a6 17.Na3 f6 18.Kh1 (better 18.a5!? Qc6 19.ef6 Rf6 20.Bf3=+) 18...fe5-/+ 19.fe5 Rf1 20.Rf1 Be5 21.a5 Qd8 22.Qg5 Bf6 23.Qh6 (23.Qg3 b6 24.ab6 Qb6-/+) 23...Be6 24.Bf3 Bg7 25.Qh4 Bf6 26.Qh6 Bf7 27.Qf4 e5 28.Qg4 (28.Qd2 Qd6-+) 28...Qc8 (28...Qe7 29.Rb1-+) 29.Qg3? (29.Qc8 Rc8 30.Bg4 Rc6-+) 29...Qe6 (better 29...Qc3!? 30.Bg4 Bg7-+ (30...Qa3 31.Qf3 Rf8 32.Qf6 Qb4 33.h4=)) 30.Nb1 Re8 (30...Qc6 31.Qf2-+) 31.Nd2 (31.Bd5 Qd5 32.Rf6-/+) 31...e4 (31...Qe7 32.Qe1 Kg7-+ (32...Qb4?! 33.Ne4 Qe7 34.Nf6 Qf6 35.Bd5 Qf1 36.Qf1 Bd5 37.Kg1=)) 32.de4= de4 33.Ne4 Bg7 34.Ng5 Qc4 35.Nf7?? (35.Rd1 Bf6 (35...Qb4? 36.Nf7 Qa5 37.Nd6+-; 35...Qc2?! 36.Nf7 Kf7 37.Bd5 Ke7 38.Rf1+=) 36.Nf7 Kf7=) 35...Qf7 (35...Qf1) 36.h3 (36.Qd6 Kh8+=) 36...Qd7 (36...Be5 37.Qe1 Qc4 38.Bb7=) 37.Qg5 Qf5?? (better 37...Be5=) 38.Bd5+- Kh8 39.Rf5 Re1 (39...gf5 40.Bb7 Re1 41.Kh2 Be5 42.g3 Re3 43.Qf5 Kg7+-) 40.Kh2 Be5 (40...Re8 41.Rf6 d3 42.Rg6 d2 43.Rg7 d1Q 44.Rg8 Rg8 45.Qg8) 41.Re5 (41.Re5 Rh1 42.Kh1 Kg7 43.Qe7 Kh6 44.Qf8) 1-0. black_bishop_88 (2465) - BillGeorgeOrJustBG (2450), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.d4 0-0 6.c3 a5 7.Nd2 ab4 (7...d5 8.Ngf3=+) 8.ab4= Ra1 9.Qa1 Nc6 (9...d6 10.Ngf3=) 10.e3 (better 10.b5!? Nb8 11.Qa7+/-) 10...d5 11.Ngf3 e5 12.b5 e4 13.bc6 ef3 14.cb7 fg2 15.Bg2 Bb7 16.0-0 c5 (16...Qd7 17.Qb2 Rb8 18.Ra1=) 17.Rb1 Bc6 18.Qa6 Qc7?? (18...Qd7 19.c4 Be7 20.dc5 Bc5 21.cd5 Bd5 22.Qb5=) 19.Bd5?? (better 19.Rb6 Rc8 20.Bh3+-) 19...Bd5+/- 20.Qf6 cd4 21.cd4 Qc2 22.Qe5?? (22.Qd6 Ba8 23.Qb4 Qf5+=) 22...Be6?? (better 22...Ba2 23.Rb8 Qd2 24.Rf8 Kf8-+) 23.Qa5+/- Bh3 24.Ra1 Qc6 (24...Rc8+=) 25.Qg5 (25.e4 Qf6 26.Ra3 Qh4+/-) 25...h6 (25...Qc3 26.Qa5 Qc6+/-) 26.Qg3+/- Qe6 (26...Bf5 27.Qf4+/-) 27.Nf3 (27.e4 Rc8 28.Nb3 Rc4+-) 27...Rc8 28.Ne5 Bf5 29.Nf3 Be4 (29...Bh3 30.d5 Qf6+/-) 30.Nh4 (30.Nd2 Bd3+/-) 30...Rc2 31.Ng2 Kg7 32.Nf4 Qf6?? (better 32...Qc6 33.Rf1 Rd2+/-) 33.Nh5+- (33.Nh5 Kf8 34.Qb8 Ke7 35.Ra7 Ke6 36.Qe8 Kd5 37.Qb5 Rc5 38.Qc5 Ke6 39.Qc8 Kd5 40.Nf6 Kd6 41.Qd7) 1-0. black_bishop_88 (2470) - mrgoon (2380), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.d4 0-0 6.c3 a5 7.Nd2 ab4 (7...d5 8.Ngf3=+) 8.ab4= Ra1 9.Qa1 d5 10.e3 Nc6 (10...e5 11.de5 Be5 12.Ngf3=) 11.Ngf3= Bg4 12.Be2 e6 (12...Qd6 13.b5 Nd8 14.c4=) 13.h3 (13.0-0 e5 14.b5 Ne7 15.de5 Be5=) 13...Bf5 (better 13...Bf3!? 14.Nf3 Qd6=) 14.0-0 Qa8 (14...Qd7 15.g4 Be4 16.Ne4 de4 17.Nd2+/-) 15.g4 Be4 16.Ne4 de4 17.Nd2 Bg7 18.Ne4 f5 (18...Qe8!? 19.Bb5+-) 19.Nc5 Qc8 20.Bc4 Nd8 21.Qa2 Re8 22.gf5 gf5 23.Kh1 b6 24.Nd3 Qb7 25.f3 Kh8 26.Nf4 Rg8? (26...e5 27.Nh5 c5 28.Ng7 Qg7 29.Rg1+-) 27.Qg2?? (better 27.Be6!? Rf8+-) 27...Bf6 (27...Bd4 28.Qd2 (worse 28.cd4 Rg2 29.Kg2 Qc6-/+; 28.ed4? Rg2 29.Kg2 Qc6-+) 28...Be5 29.Qd7+/- (29.Be6?! Ne6 30.Ne6 Qc6=)) 28.Qf2 Qc6 29.Qe2 Qd6 30.Rg1 Rg1 31.Kg1 e5 (31...Bg5 32.Nh5+-) 32.Nd5 (32.Qg2 Qf8 33.Nh5 Bh4 34.de5 c6+-) 32...ed4 (32...Bg7 33.de5 Qe5 34.f4+/-) 33.Nf6+- Qf6 34.ed4 Nc6 (better 34...Kg7+-) 35.Qe8 Kg7 36.Qg8 (better 36.Qd7!? Ne7 37.Qc7 Qh4+-) 36...Kh6 37.f4 Ne7 38.Qg3 Qd6?? (better 38...Ng6+-) 39.Qg5 1-0. black_bishop_88 (2440) - Snowball-03 (2325), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.d4 0-0 6.c3 e5 7.e3 ed4 (7...d5 8.Be2=+) 8.cd4= Re8 9.Nf3 d6 10.Be2 Nc6 (10...c5 11.0-0=) 11.0-0 Bf5 12.Nc3 a5 13.b5 Ne7 14.e4 Be6 15.e5 de5 16.de5 Bg7 17.Ne4 h6 (17...Bg4 18.Nc5=) 18.Rc1+= g5 19.Qd8 Rad8 20.Rc7 Bd5? (20...Nd5 21.Rb7 Nf4 22.Ng3=+) 21.Nf6 (better 21.Nd6!? g4 22.Ne8 Re8 23.Nd2 Be5 24.Rd7+-) 21...Bf6+/- 22.ef6 Nf5 23.Bc4 (23.Bd3 Nd6 24.Nd4 Be4+/-) 23...Re6? (better 23...Bc4!? 24.Rc4 Nd6+=) 24.Bd5+- Rd5 25.Rb7 Rf6 26.h3 h5 (26...a4 27.Rb1 Rd3 28.Ra7+-) 27.a4 (27.Rb1 g4 28.hg4 hg4+/-) 27...g4 28.hg4 hg4 29.Nh2 Rg6 (29...Rd4 30.Ra1 Rfd6 31.g3+-) 30.Rc7 Rd4 31.Rc6 (31.Ra1 Re6+-) 31...Rg5? (better 31...Ra4 32.Rg6 fg6+=) 32.Rb1+- Ra4? (better 32...Nd6+-) 33.b6 Ne7 34.Rc7 Nd5 (34...Rb4 35.Rb4 ab4+-) 35.Rc8 Kg7 (35...Kh7 36.b7 Ne7 37.b8Q Nc8 38.Qc8+-) 36.b7 Nc3 (36...Ne7 37.Rcc1+-) 37.Rc3 (37.b8Q Ne2 38.Kf1 Ng3 39.Qg3 Rd4+-) 37...Rb4 38.Rb4 ab4 39.b8Q bc3 1-0. black_bishop_88 (2540) - cheese101 (2390), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.c3 0-0

6.d4 a5 7.e3 ab4 8.cb4 b6 9.Nc3 Bb7 10.Nf3 d6 11.Be2 Nd7 12.0-0 e5 (12...c5 13.e4=) 13.de5 (13.d5 e4 14.Nd4 Bg7+=) 13...Ne5= 14.Ne5 (14.Nd4!?=) 14...Be5=+ 15.Qb3 Qf6 16.Rac1 Qg5 17.g3 Qh6 (17...Qf5 18.Rfd1 Rfc8 19.b5=) 18.Nd5 Qh3 (18...Bd5 19.Qd5 c5 20.bc5 bc5 21.Qd3=) 19.Bf3 Rab8? (19...Qd7 20.Bg2+=) 20.Bg2 (20.Rc7 Kg7+-) 20...Qe6 (better 20...Bd5!? 21.Qd5 Qd7+/-) 21.Rc7+- Rfc8 (better 21...Rfe8+-) 22.Ne7 Kf8 23.Nc8?? (better 23.Qe6 Rc7 24.Ng6 hg6 25.Qa2+-) 23...Bg2?? (better 23...Qb3 24.Bb7 d5= (worse 24...Qa3 25.Nb6 Kg7 26.Nd7+/-)) 24.Kg2 (better 24.Qe6 fe6 25.Kg2 d5+-) 24...Rc8 (better 24...Qb3 25.Rfc1 Qa3-+) 25.Rc8 (better 25.Qe6 Rc7 26.Qd5+-) 25...Qc8 26.Qd5 h5 (26...Qc2 27.Rd1+-) 27.a4 (27.f4 Bb2+-) 27...h4 28.h3 (28.f4 Qc2 29.Kg1 Bc3 30.Qd6 Kg7 31.Qb6 Qe2+-) 28...hg3 29.fg3 Qc2 30.Rf2 Qc3 (30...Qc7+-) 31.Qf7 1-0. black_bishop_88 (2515) - Zutano (2470), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 b6 7.e3 c5 8.Nd2 cd4 9.cd4 e5 10.Ngf3 (10.de5!? Be5 11.Ra2=) 10...ed4=+ 11.Nd4?? (better 11.e4=+) 11...Bd4-+ 12.ed4 (12.Ra2 Be5-+) 12...Re8 13.Be2 Ba6 14.Nf3 (14.Ne4 Re4 15.Ra2 Qf6-+) 14...Be2 15.Qe2 Re2 16.Ke2 Nc6 17.Rhe1 Qf6 18.Rad1 (18.Red1 Re8 19.Kf1 Re4-+) 18...Re8 19.Kd3 Re1 (19...Qf5 20.Kd2 Re1 21.Re1-+) 20.Re1 Qf5 21.Kc3 a5 (21...b5 22.Re3-+) 22.Re3 (22.h4 Qb5 23.Rb1 ab4 24.ab4 d5-+) 22...ab4 23.ab4 Qb5 24.h4 Qb4 25.Kd3 Qb3 26.Ke4 (26.Kd2 Qb2 27.Ke1 Nd4 28.Nd4 Qd4-+) 26...Qe6 (26...Qc2 27.Kf4 Qf2 28.Rd3 Qg2 29.Rd2-+) 27.Kf4 Qf5 (27...Qd6 28.Kg4-+) 28.Kg3 h5 29.Kh2 Qf4 30.g3 Qg4 31.Kg2 Nd4 32.Nd4 Qd4 33.Rf3 (33.Kf1-+) 33...Qd5 34.Kh2 Qf3 35.Kg1 b5 36.Kf1 b4 37.Ke1 b3 38.Kd2 b2 39.Kc2 (39.Kc2 Qf2 40.Kb1 Qd2 41.Ka2 Qc2 42.Ka3 b1Q 43.g4 Qbb3). black_bishop_88 (2525) - Goroshkov_Maksym (2470), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 c5 7.Nd2 (better 7.bc5!? b6 8.cb6 Qb6 9.Nd2+=) 7...cd4=+ 8.cd4 (8.Ne4!? Bg7 9.cd4=+) 8...Bd4-/+ 9.Rb1 Bg7 10.Ngf3 a5 11.h4 (11.b5!?-/+) 11...ab4-+ 12.ab4 d5 13.h5 (13.e4 de4 14.Ne4 Bf5-+) 13...Bf5 14.hg6 hg6 (14...fg6?! 15.e4 de4 16.Ng5-/+) 15.g3? (15.Rc1 Bb2 16.Nb3-+) 15...Bb1 16.Nb1 Ra1 17.Bg2 (17.Qb3 Qc7 18.Kd2 Na6-+) 17...Qb6 18.0-0 Qb4 19.Qd3 Qc4 20.Nfd2 (20.Qe3 e6-+) 20...Qd3 21.ed3 e6 22.Nb3 Ra6 (22...Ra2 23.Rc1-+) 23.Nc5 (23.Rc1 Nc6-+) 23...Rb6 24.Nd2 Rc8 25.Ndb3 (25.Ncb3 Rc3 26.Rb1 Rd3-+) 25...Bf8 (25...Na6!? 26.d4-+) 26.d4 Rb4 27.Rd1 (27.Nd2 Nc6-+) 27...b6 28.Nd3 (28.Ne6 fe6 29.Rd3 Bg7-+) 28...Rb3 29.Ne5 Bg7 30.Kh2 (30.Bf1 Be5 31.de5 Nd7-+) 30...Be5 (30...Rb2!? 31.Nd3 Re2 32.Kh3-+) 31.de5 Rc2 32.f4 Rbb2 (32...Rbb2 33.Kh3 Rg2-+) 0-1. black_bishop_88 (2465) - zsolti_83 (2415), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 c6 7.Nf3 d5 8.Nbd2 Nd7 9.e4 de4 (9...e5 10.Bd3=) 10.Ne4 Bg7 11.Bc4 e5 12.0-0 ed4 13.cd4 Nb6 14.Bb3 Nd5 15.Rc1 Be6 (15...Bg4 16.h3 Bf5 17.Re1=) 16.Nc5 b6 (better 16...Bc8!?=) 17.Ne6+/- fe6 18.Rc6 Qd7 19.b5 Rac8 20.Rc8 (20.Qc2 Rce8+-) 20...Rc8+/- 21.a4 Nc3 22.Qd3 Kh8 (better 22...Nd5!?+-) 23.Re1 Nd5 24.Qd2 (24.Qe4 Bf6 25.Qe6 Qe6 26.Re6 Rc1 27.Re1 Re1 28.Ne1 Nc3+-) 24...Re8 25.g3 (25.Qc2 Nc7+-) 25...Qf7 (25...Rf8 26.Qe2+-) 26.Ne5 Be5 27.Re5 Rf8 28.Bd5 ed5 29.Qe3 Qc7 (29...Kg8+-) 30.Re7 Qd6 31.Qe5 (31.Ra7!? Qf6+-) 31...Qe5 32.Re5 Rd8 33.Re7 Kg8 34.Ra7 Rd6 (34...h5 35.f4+-) 35.Ra6 Re6 36.a5 Re1 37.Kg2 ba5 38.Ra5 Rb1 39.b6! Rb6 40.Rd5 Kg7 (40...Rb4 41.f4+-) 41.Rd7 Kh6 42.d5 1-0. black_bishop_88 (2575) - Khairiddinuktamov (1785), 1st CL WorldCup G3 Qualif, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 d5 7.Nd2 b6 8.Ngf3 c5 9.e4 cd4 10.e5 (better 10.cd4!? de4 11.Ne4=+) 10...dc3-/+ 11.ef6 cd2 12.Qd2 e6 13.Be2 Qf6 14.0-0 Nc6 15.Rac1 Bb7 16.b5 Ne5 17.Rc7 Rab8 18.Rfc1 Rfc8 (18...Nf3 19.Bf3 Rfc8 20.Bd1 Rc7 21.Rc7-+) 19.h3? (better 19.Rb7 Rc1 20.Qc1 Nf3 21.gf3 Rb7 22.Qc8 Kg7 23.Qb7=+) 19...Nc4! 20.R1c4 (20.Bc4 Rc7 Decoy (20...Rc7 Interception)) 20...dc4 21.Qd7? (21.Rc8 Rc8 22.Qd7 Rc5 23.Qb7 c3-+) 21...Rc7 (better 21...Rd8 22.Qe7 Qe7 23.Re7 Bf3 24.Bf3-+) 22.Qc7 Qd8 23.Qc4 Rc8 24.Qf4 Qc7 25.Ne5 (25.Qf6 Qc1 26.Kh2 Bf3 27.Qf3 Rc3 28.Qa8 Kg7-+) 25...f5 (better 25...Qc1!? 26.Qc1 Rc1 27.Bf1-+) 26.Kh2 Qd6 27.Bc4?? (27.Ng6 Qf4 28.Nf4-+) 27...Rc5 28.Ng6 Qf4 29.Nf4 Rc4 30.Ne6 Ra4 (30...Bd5 31.Nd8-+) 31.Nd8 (31.f3 Ra3 32.Nd4 f4-+) 31...Bd5 32.Kg3 (32.f4 Kf8 33.Nc6 Bc6 34.bc6 Ra3-+) 32...Kf8 33.f3 Ke7 34.Nc6 Bc6 35.bc6 Kd6 36.c7 Kc7 37.h4 Ra3 38.h5 b5 39.Kf4 (39.Kf2-+) 39...b4 40.Kf5 b3 41.g4 b2 42.f4 (42.Ke4 b1Q 43.Kf4 Qb4 44.Kg3 Qd6 45.Kh3 Rf3 46.Kh4 Qf6 47.g5 Qd4) 42...b1Q 43.Kg5 (43.Ke5 Qb5 44.Kf6 Ra6 45.Kg7 Qd7 46.Kh8 Re6 47.f5 Re8) 43...Ra5 (43...Qb5 44.Kh6 Ra6 45.Kh7 Qd7 46.Kg8 Re6 47.g5 Re8) 44.f5 Qc1 (44...Qe4 45.Kh6 Ra6 46.f6 Rf6 47.Kg5 Qf4 48.Kh4 Qf2 49.Kg5 h6) 45.Kf6 Qc6 (45...Rd5 46.h6 Rd7 47.g5 Qe3 48.g6 Qe7) 46.Kg7 (46.Kf7 Rd5 47.g5 Rd7 48.Kf8 Qa8) 46...h6 (46...Rd5 47.f6 Rg5 48.Kh7 Qf6 49.h6 Qf7 50.Kh8 Rg8) 47.f6 (47.g5 Rd5 48.f6 Rg5 49.Kh7 Qe8 50.f7 Qf7 51.Kh6 Rh5) 47...Rg5 48.Kh7 Qf6 (48...Qe6 49.Kh6 Qf6 50.Kh7 Qg7) ½-½. black_bishop_88 (2495) - Noob_Ako2125 (2485), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 d5 7.e3 c6 8.h4 Bf5 9.h5 Nd7 10.Bd3 Bd3 11.Qd3 e5 12.Ne2 e4 13.Qd2 a5 14.Ng3 (14.hg6 fg6 15.Nf4 Rf7=) 14...ab4 15.cb4 Nb6 16.Ra2 Nc4 17.Qc1 b5 (17...Be7 18.Ne4 Bb4 19.Nec3=+) 18.Nd2= g5 19.h6 (19.Nc4 bc4 20.Qc2 Bg7=) 19...Qd7 20.Nb3 (20.Nc4!? bc4 21.Qc2=+) 20...Be7-/+ 21.Nc5 Bc5 22.dc5 f5 23.Qc3 Rf7 24.Qd4 (24.Ne2 Qe6-/+) 24...Qe7 (24...Na3 25.Rh5 Qd8 26.Qb2+-) 25.Nh5 Qe5 Black intends f4 (25...Na3 26.Qc3+-) 26.Qe5 Ne5 27.Ke2 f4 28.ef4 gf4 29.f3 Re8 30.a4 ba4 31.Ra4 Nc4 32.Ra6 Re6 (32...Rf5 33.Rc6 ef3 34.Kf2-/+) 33.Rh4 (33.Ra8 Rf8 34.Rf8 Kf8 35.Nf4 ef3 36.Kf3 Re4+=) 33...Kf8 (33...ef3 34.Kf2 Rh6 35.Ra8 Rf8 36.Rf8 Kf8 37.Rf4 Ke7 38.Ng7=+) 34.Rg4 (better 34.Nf4 ef3 35.Kf3+=) 34...Rf5?? (better 34...ef3 35.Kf2 fg2 36.Rg2 Re2 37.Ke2 f3 38.Kf2 fg2 39.Kg2 Rf5=+) 35.Ra8+- (35.Rf4?! ef3 36.Kf3 Ne5 37.Kg3 Rg6 38.Kh3 Rf4 39.Nf4 Rh6 40.Kg3 Kg7=) 35...Kf7 (35...Re8 36.Re8 Kf7+-) 36.Rg7 1-0. black_bishop_88 (2495) - Ponchic2007 (2560), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 d5 7.e3 e5 8.Nf3 e4 9.Nfd2 c6 10.c4 Bg7 11.Nc3 f5 (better 11...Be6!?=) 12.cd5+/- cd5 13.Qb3 (better 13.Nd5!? Kh8 14.Bc4+/-) 13...Be6= 14.g3 g5 (14...Nc6 15.Rc1=) 15.h4 (better 15.g4=) 15...h6 (better 15...g4=+) 16.hg5+/- hg5 17.Bh3 (17.g4 f4 18.Nde4 Re8+-) 17...Nc6 (17...Nd7 18.a4+= (18.Nd5? Nb6-+)) 18.Nde4 (18.Nce4 Bd4 A) worse 19.ed4 Nd4 20.Qd1 de4-/+ (20...fe4?! 21.Qh5 Kg7 22.Be6 Ne6 23.Qh7 Kf6 24.Qb7+=); B) 19.Ng5 Qg5 20.ed4+=) 18...g4? (better 18...Bd4 19.Nc5 Bc5 20.bc5 Qd7+=) 19.Nc5+- Bc8? (better 19...Nd4 20.ed4 gh3 21.Ne6 Qe7+-) 20.Bg2 Ne7 (20...Re8 21.Qd5 Kf8 22.Qd8 Nd8 23.Kd2+-) 21.Nd5 (21.Bd5?! Nd5 22.Nd5 Rf7+-) 21...Nd5 (21...Rf7+-) 22.Bd5 (22.Bd5 Rf7 23.Bf7 Kf8 24.Ne6 Be6 25.Be6+-) 1-0. black_bishop_88 (2555) - chess_only_chess (2435), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 d6 7.Nd2 b6 8.e3 Bb7 9.h4 Nd7 10.h5 e5 11.hg6 hg6 (11...fg6 12.Qg4 Qe7=) 12.Be2 (12.Qg4 Re8+=) 12...Kg7 (12...Bg2!? 13.Rh2 Bb7=+) 13.Bf3 Rh8?? (better 13...d5=) 14.Rh8+- Kh8 (14...Qh8 15.Bb7 Rd8 16.Nh3+-) 15.Bb7 Rb8 16.Bf3 (16.Bc6!? a6+-) 16...ed4 17.cd4 Qe7 (17...c5 18.Ne4+-) 18.Ne4 (18.Bc6 Rd8 19.Ne4 Nb8 20.Nf6 Qf6+-) 18...Bg7 (18...c5 19.Ne2+-) 19.Ne2 (19.b5 a6 20.Rc1 f5+-) 19...d5 (19...c5 20.Rc1+-) 20.N4c3 c5 21.Nd5 Qd6 22.dc5 bc5 23.Rc1 cb4 24.ab4 Ne5 25.Ndf4 (better 25.Nd4 Rd8 26.Rc5 Nd7+-) 25...Qb4 26.Kf1 Nf3 27.gf3 g5 28.Nh5 Qh4 29.Neg3 Be5 (29...Qb4 30.Ne4+-) 30.Qd5 (better 30.Qd7 Bg3 31.Ng3+-) 30...f6 (30...Qh3 31.Ke1 Qe6 32.Qe6 fe6+-) 31.Qf7 Rg8 32.Rc7! (32.Rc7 Qh3 33.Ke2 Bc7 34.Qf6 Kh7 35.Qf7 Kh8 36.Nf5 Qf5 37.Qf5+-) 1-0. black_bishop_88 (2520) - SpeedMonkey (2520), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 d6 7.Nd2 Nc6 8.e4 e5 9.d5 Ne7 10.Ngf3 Bg7 11.Bd3 f5 12.0-0 fe4 13.Be4 Bf5 (13...Bg4 14.Re1=) 14.Bf5+= Nf5 15.Ne5?? (better 15.Ne4+=) 15...Be5-+ 16.Nf3 (16.Qc2 Qf6-+) 16...Qd7 (better 16...Bc3!? 17.Rc1 Bf6 18.Qe2-+) 17.Ne5 de5 18.c4 Rae8 19.Qg4 Nd4?? (better 19...Qa4-+) 20.Qg6 (better 20.Qd7 Rc8 21.Rae1+-) 20...hg6-+ 21.f3 Ne2 (better 21...b5 22.cb5 Qb5 23.Rfd1-+) 22.Kf2 Nf4 (22...e4 23.f4 Nf4 24.Kg1-+) 23.Kg1 Qf5 Black prepares e4 24.Rf2 Ng2! 25.Rg2 (25.Rg2 Qf3 Combination; 25.Kg2 e4 Combination) 25...e4 26.h3 (26.h3 ef3 27.Rg4 f2 28.Kh2 Re1 29.c5 f1N 30.Kg1 Qf2 31.Kh1 Qh2). black_bishop_88 (2450) - NICOLASSANDOVAL (2325), lichess.org, 2020. (=1.a3 g6 2.b4 Nf6 3.Bb2 Bg7)

6.d4 d6 7.Nf3 b6 (7...e5 8.e3=) 8.Nbd2 Bb7 9.g3 (9.e4 c5=) 9...Nd7 10.Bg2 e5 11.0-0 Bg7 12.e3 Re8 13.Qb3 Qe7 14.a4 a5 15.Rfb1 ab4 16.Qb4 h5 (16...e4 17.Ne1=+) 17.h4 (17.a5 Bd5+=) 17...Nf6 18.Ne5? (better 18.a5=) 18...de5?? (better 18...Bg2 19.Ng6 fg6 20.Kg2 Rf8-+) 19.Bb7+/- Qb4 20.Rb4 Rab8 (20...Ra7 21.Bc6 Re6 22.d5+/-) 21.Bf3 (21.Bc6 Re6 22.d5 Rd6+-) 21...Nd7 (21...e4!? 22.Bg2 Bf8+/-) 22.Bc6+- Red8 23.Bd7 (23.Nc4 ed4 24.cd4 Nc5+-) 23...Rd7 (23...ed4 24.ed4 c5 25.dc5 Bc3 A) 26.cb6 Rd7 27.Rab1 Bb4-/+ (worse 27...Bd2 28.Rb5+=; 27...Rd2?! 28.Rf4=+); B) 26.Rb6?! Rb6 27.cb6 Ba1+-; C) 26.c6 Ba1 27.Nc4+-) 24.Nf3 (24.a5 Ra8 25.a6 ed4 26.cd4 c5 27.Rb6 cd4+-) 24...ed4+/- 25.ed4 (worse 25.Nd4 c5 26.Rb3 cd4 (worse 26...Bd4 27.cd4 cd4 28.Rd1+=) 27.cd4 Kf8=+; worse 25.cd4 c5 26.Rb5 Ra8 27.Rb6 cd4 28.ed4 Rd4 29.Nd4 Bd4+/-) 25...c5 26.Rc4 cd4 27.cd4 Rbd8 28.Rd1 Rd5 29.Rb4 R8d6 30.Kg2 Kf8 31.Rb5 (31.Rc4 Ke8+/-) 31...Ke7 (31...Rb5 32.ab5 Rd5 33.Rb1+=) 32.Rd5+/- Rd5 33.Rb1 Rd6 34.Re1 Kd7 35.Rb1 (35.Ne5 Be5 36.de5 Rd4+/-) 35...Kc7? (better 35...Bd4!? 36.Nd4 Rd4 37.Rb6 Ra4=) 36.Rc1 (36.Rb4 Kc6+/-) 36...Kb7 37.Rc4 Rd5 38.Ng5 Rd4 (38...Rd7 39.d5+/-) 39.Rd4 Bd4 40.Nf7 Ka6 41.Nd6 (better 41.Nd8+/-) 41...Ka5= 42.Nb5 (42.Kf3 Ka4 43.Kf4 Kb4= (worse 43...Bf2 44.Ne4 Be1 45.Kg5-/+)) 42...Be5 43.f4 Bg7 (43...Ka4 44.fe5 Kb5 45.Kf3=) 44.Nd6= Ka4 45.Kf3 (45.f5!? gf5 46.Nf5=) 45...b5-/+ 46.Ke4 White prepares f5 46...b4 47.Nc4 b3 48.f5 (better 48.Kd3-+) 48...gf5 49.Kf5 (49.Kd3 Kb4 50.Nd6 Ka3-+) 49...Kb4 50.Nd2 b2 51.Kg6 Kc3 52.Nb1 Kc2 53.Na3 Kb3 54.Nb1 Ka2 55.Nd2 (55.Kg7 Kb1 56.Kg6-+) 55...Bc3 56.Ne4 (56.Nf3 b1Q 57.Kh6 Qd1-+) 56...b1Q 57.Kf5 Bd2 (57...Qb5 58.Kf4 Be5 59.Kf5 Bg3 60.Kg6 Qe8 61.Kg7 Qe4 62.Kf7 Bd6 63.Kf6 Qe5 64.Kg6 Qe6 65.Kg7 Be5 66.Kf8 Bf4 67.Kg7 Bh6 68.Kh7 Qf6 69.Kg8 Qg7) 58.Ke5 Bc1 (better 58...Ba5-+) 59.Nc3+= Kb3 60.Nb1 (60.Nb1 Kb2 61.Kf5+=) 1-0. black_bishop_88 (2525) - crazyToxic (2295), 1st CL WorldCup Semifinal, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 Bg7 7.h4 h5 (7...d5 8.h5=+) 8.e3 d6 9.Nf3 e5 10.Nbd2 c6 11.g3 (11.de5 de5 12.Be2 Qe7=) 11...Bg4 12.Bg2 d5 13.de5 Be5 14.Rc1 Qf6 15.0-0 (15.Qb3 Nd7=+) 15...Bc3-/+ 16.Qc2 Bd2 17.Qd2?? (17.Nd2 Nd7-/+) 17...Nd7 (better 17...Bf3 18.Bf3 Qf3-+) 18.Nd4 Ne5 19.Qc3 Nc4 20.a4 White prepares b5 20...Rad8 21.b5 Bd7?? (21...Rfe8 22.a5-/+) 22.bc6?? (better 22.Nc6 Qc3 23.Ne7 (23.Rc3? bc6 24.bc6 Bc6-+) 23...Kg7 24.Rc3+/-) 22...bc6=+ 23.Nb3 (23.e4 Nb6=+) 23...Qc3-/+ 24.Rc3 Rb8 25.Rfc1 Bf5 (better 25...Rfd8!?-/+) 26.Nd4= Bd7 27.Nb3 Rb4 28.Nc5 Bf5 29.e4 Be6 30.ed5 cd5 31.Ne6 (31.Re1 d4 32.Rcc1 Bf5-/+) 31...fe6 32.Re1 Kf7?? (32...Ra4 33.Re6 Ra1 34.Kh2 Rf2 35.Rf3 Rf3 36.Bf3-/+) 33.Bh3?? (33.Rf3 Ke7 34.Rf8 Kf8 35.Re6 d4= (worse 35...Ra4 36.Bd5 Nb6 37.Bb3+/-)) 33...Re8 (better 33...e5 34.Rf3 Ke7 35.Rf8 Kf8-+) 34.Rf3= Kg7 35.Re6 Re6 36.Be6 Rb1 (better 36...Ra4!? 37.Rf7 Kh6 38.Bd5 Nb6=) 37.Kg2+/- Rd1 (37...Ne5 38.Re3 Kf6 39.Bd5+/-) 38.Rf7 Kh6 39.Ra7 Ne5?? (39...Rd2 40.Kf1+-) 40.Re7 (better 40.Bg8 g5 41.hg5 Kg5 42.f4 Kf5 43.fe5 Ke5 44.Rh7+-) 40...Nc4 (better 40...Ng4+-) 41.Rd7 Ra1 (41...Nb6 42.Rc7 Rd2+-) 42.Rd5?? (better 42.Bg8 g5 43.Bd5 Ra4+-) 42...Nb6?? (better 42...Ra4 43.Rd4 Nb6 44.Ra4 Na4+/-) 43.Rd6+- Na4 44.Bf7 (44.Bf5 Kh7 45.Rg6 Ra2 46.Ra6 Kg7+-) 44...Nc3 45.Rg6 Kh7 46.Rg5 Ra3 47.Bh5 Rb3 (47...Kh8 48.Bf3+-) 48.Bg6 Kh6 (48...Kh8 49.h5+-) 49.Bf7 (49.Bf7 Rb7 50.Rg6 Kh7 51.Rc6+-) 1-0. black_bishop_88 (2500) - MariKom (2400), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.d4 h5 7.e3 d6 8.Nf3 e5 9.de5 de5 10.Qd8 Rd8 (worse 10...Bd8 11.Ne5 Bf6 12.Nf3+=) 11.Nbd2 Bf5 12.e4 Be6 13.Bc4 Bc4 14.Nc4 Nc6 15.Ne3 Ne7 16.c4 (16.Ke2 g5+=) 16...c6 17.Ke2 Rd7 18.Rhd1 Rad8 19.Rd7 Rd7 20.a4 White prepares the advance b5 20...Kf8 21.a5 Ke8 22.a6 b6 23.b5 Kd8 (23...cb5 24.cb5 Nc8 25.Nc4+=) 24.Rc1 (24.c5 g5 25.cb6 cb5 26.b7+-) 24...Kc7 25.h4 Bg7 26.Ne1 (26.Ng5!?+/-) 26...Bh6 (26...f5 27.f3=) 27.Nd3 White prepares c5 27...Be3 28.Ke3 (worse 28.fe3 f6=) 28...Kd6? (28...f6 29.Rc2+=) 29.Rd1 (29.c5 bc5 30.Nc5 Rc7 31.Nb7 Ke6+-) 29...Ke6? (better 29...Kc7+=) 30.c5+- cb5 (30...Rc7 31.cb6 ab6 32.Nc5 Kf6 33.Rd6 Kg7+-) 31.cb6 ab6 32.Nc5!! bc5 33.Rd7 Kd7 (33...Nc6 34.Rc7 Kd6 35.Rf7+-) 34.a7 1-0. black_bishop_88 (2500) - Djokernolle (2420), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.e3 a5 7.b5+=.

6.e3 b6 7.Nf3 Bb7 8.d4 d6 9.Nbd2 Nd7 10.Bd3 Bg7 11.Qc2 c5 12.h4 cd4 13.cd4 Rc8 14.Qb1 Nf6 15.0-0 Qd7 16.Nh2 (16.Qb2 e5 17.de5 de5 18.Ne5 Qe7-/+) 16...Ng4 17.Be4 (17.Nhf3 e5+=) 17...d5-/+ 18.Bf3 Nh2 19.Kh2 e5 20.Nb3 Ba6 21.Rd1? (better is 21.Rc1-/+) 21...e4-+ 22.Be4 de4 23.Qe4 Bb7 24.Qd3 Qg4 25.g3 (25.f3 Qh4 26.Kg1 Rfd8-+) 25...Bf6 (better is 25...Be4!? 26.Qf1 Bc2 27.Nd2 Bd1 28.Qd1-+) 26.Nd2 Bh4 27.Nc4?? (27.e4 Bf6 28.f3 Qh5 29.Kg2-+) 27...Qf3 28.Qf1 (28.e4 Qf2 29.Kh3 Rc4-+) 28...Rc4! 29.gh4 Rc2 (29...Rc2 30.Rab1 Rf2 31.Qf2 Qf2 32.Kh3 Qg2) 0–1. Pozanco Romasanta,Marc (1725) – Nicolas Zapata,Irene, ESP–ch U12 Padron, 2008.

6.g4 d5-/+ 7.g5 (better 7.h3-/+) 7...e5?? (better 7...Bg5 8.h4 Bf6-/+) 8.gf6+- Qf6 9.Nf3 e4 10.Nd4 Bg4 11.h3 Bh5 12.Qc2 Nd7 13.a4 Ne5 14.Na3 Nc4?? (better 14...Rfe8 15.e3 a5+/-) 15.Nc4+- dc4 16.e3 (16.Qe4 c6+-) 16...b6 (16...a5 17.Bc4 ab4 18.cb4+- (18.Qe4?! c5+/-)) 17.Bc4 (17.Qe4 c5 18.bc5 bc5+-) 17...c5 18.bc5 bc5 19.Ne2 Qf3 (19...Bf3 20.Rg1+-) 20.Rf1 (better 20.Ng3 Kh8+-) 20...Rfd8 (20...Qh3 21.Nf4 Qf5 22.Nh5 Qh5 23.Qe4 Qg5+-) 21.Nf4 Rd7 (21...Rd3 22.Bd3 ed3 23.Qd3 Rb8+-) 22.Be2 Qe2 23.Ne2 Rad8 (23...Bf3 24.Nf4+-) 24.Nf4 (better 24.Qe4 Be2 25.Ke2 Rd2 26.Kf3 R8d5+-) 24...Rd3 (24...Bf3 25.Rg1+-) 25.Nd3 ed3 26.Qb2 (26.Qb3 Bf3 27.Qc4 Kg7+-) 26...Be2 27.Rb1 (27.Rg1 Bf3+-) 27...Rf8 28.Qb7 (28.Rg1 Kg7+-) 28...Kg7 29.Qa7 (29.Rg1 a5+-) 29...c4 30.Qd4 Kh6 31.Qc4 (better 31.Rg1 Rg8 32.Rb7+-) 31...Rb8 32.Qf4 (32.Rb8 Bf3 33.Qf7 Be4 34.Rg1 Bd5 35.Qf4 g5 36.Qg5) 32...g5 (32...Kg7 33.Rb8 Bf3 34.Qe5 Kh6 35.Rg8 f6 36.Qf4 Kh5 37.Qf3 Kh6 38.Qf4 Kh5 39.Qg4 Kh6 40.Qh4) 33.Qf6 Kh5 34.Rb8 (34.Rb8 Bg4 35.hg4 Kg4 36.Rg1 Kh4 37.Qh6; 34.Qf7 Kh4 35.Qh7 Bh5 36.Qe4 g4 37.Qe7 Kh3 38.Rh1 Kg2 39.Qe4) 1-0. black_bishop_88 (2525) - sepuede (2430), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.h4 a5 7.h5 ab4 8.hg6 fg6 9.e3 (9.Qb3 d5-/+) 9...e6 (9...d5 10.Nf3-/+) 10.d4 bc3 11.Nc3 c5! 12.Ne4 (12.dc5 Bc3 Double attack (12...Bc3 Pinning; 12...Bc3 Deflection; 12...Qa5 Decoy)) 12...Bg7 (better 12...cd4 13.ed4 Qa5 14.Ke2 b6 15.Nf6 Rf6-+) 13.Qg4?? (better 13.Nc5 Qa5 14.Ke2=+) 13...cd4-+ 14.Qh3 (14.ed4 Bd4 15.Rd1 e5-+) 14...h5 (better 14...Qa5 15.Kd1 Qa4 16.Ke1-+) 15.Qg3 (15.Ra2 Nc6 16.ed4 Qa5 17.Nd2 Bd4 18.Ngf3-+) 15...de3 16.Qg6 (16.Rd1 Qa5 17.Ke2 d5 18.Qg6 de4-+) 16...Qa5 17.Ke2 (17.Kd1 d5 18.Ra2 de4 19.Qe4 Rd8 20.Bd3 Qc3-+) 17...ef2 (17...Rf2 18.Kd1 Qa4 19.Ke1 Qb4 20.Kd1 Qd4 21.Bd3 Qa1 22.Bb1 Qb1) 18.Nf3-+ Qb5 (better 18...Qf5 19.Qf5 ef5 20.Nf6 Bf6-+) 19.Kf2 Qb2 20.Be2 Ra5 (20...d5!? 21.Neg5 Qd4 22.Kg3 Qf4 23.Kf2-+) 21.Rab1 (21.Rac1 Nc6 22.Neg5=+) 21...Qd4 (21...Qa3 22.Bd3 Nc6-+ (22...Qd3?! 23.Nf6 Rf6 24.Qd3=)) 22.Ke1= Qe3 23.Nfg5 Rf4?? (23...Rg5!? 24.Ng5 Rf2 25.Qe8 Rf8=) 24.Rh5 (24.Qe8 Bf8 25.Qh5 (25.Qc8?? Rg5 26.Rh3 Qe4-+) 25...Qe2 26.Qe2+-) 24...Re4?? (better 24...Qg1 25.Kd2 Qd4 26.Bd3 Rf2 27.Nf2 Qf2 28.Kd1 Qg1 29.Ke2 Qg2 30.Ke1 Re5 31.Kd1 Qg1 32.Kc2 Qc5 33.Kb3 Qd5 34.Ka4 Qa5 35.Kb3 Qd5 36.Ka4 Qa5 37.Kb3 Qd5=) 25.Rh8!! Kh8 (25...Kh8 26.Qh7 Mate attack) 26.Qh7 1-0. black_bishop_88 (2500) - tigranghazzarian (2510), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.h4 d5 7.h5 Bf5 8.hg6 hg6 (8...fg6 9.Nf3=+) 9.Nf3 Bg7 10.d4 a5 11.b5 Nd7 12.e3 e5 13.Nbd2 ed4 (13...Re8!?=) 14.cd4+= Re8 15.Rc1 Qe7 16.Be2 (16.Rc3!?+=) 16...Qa3= 17.Kf1 (17.Nh4!? Be4 18.Ne4 de4 19.Rc7=+) 17...Rac8 18.Nh4 Be6 19.Bg4?? (19.Nb3 b6=+) 19...Qd6 (better 19...Bg4 20.Nhf3 Qd3 21.Kg1 Qb5-+) 20.Be6-/+ Qe6 (worse 20...fe6 21.Ng6 e5 22.Ne5 Ne5 23.de5 Re5 24.Nf3=; 20...Re6?! 21.Nhf3-/+) 21.Qf3 Nf6 22.Qg3 Ne4 23.Ne4 de4 24.Kg1 (24.Rc7?? Rc7 25.Qc7 Rc8-+) 24...a4 25.Rc7? (25.Rh3 Qd5 26.Rc5 Qd6-/+) 25...Rc7?? (better 25...Be5 26.de5 Rc7-+) 26.Qc7 a3 (26...g5 27.Qb7 a3-+) 27.g3? (27.Qa5 a2 28.g3 Rc8-+) 27...Bf6 (27...g5 28.Ng2 Rc8 29.Qb7 Rc1 30.Kh2 Qh6 31.Nh4 Rh1 32.Kh1 gh4 33.gh4 Qh4 34.Kg1 Qg4 35.Kf1-+) 28.Kg2? (28.Qa5 a2 29.Ng2-+) 28...Kg7 (28...g5 29.Ng6 Qf5 30.Ra1-+) 29.Qc3 (better 29.Qb7 g5 30.Nf3 ef3 31.Qf3-+) 29...Rh8?? (better 29...g5 30.Ng6 Kg6 31.Qa3 Qf5-+) 30.Qa3=+ Qg4 (better 30...Qd7=+) 31.Qa1?? (better 31.Nf5! Qf5 32.Rh8 Qf3 33.Kg1 Kh8 34.Qf8 Kh7 35.Qf7 Kh8 36.Qg6=) 31...Rh4 32.Qd1 Qf3! 33.Qf3 ef3 34.Kg1 Rh1 35.Kh1 Kf8 (35...Be7 36.Kh2-+) 36.Kh2 Ke7 37.Kh3 Ke6 38.Kg4 Kd5 39.Kf3 Kc4 (39...Bd4 40.ed4 Kd4 41.b6-+) 40.b6 (40.Ke4 Kb5 41.Kd3 Kb4-+) 40...Kb5 (better 40...Bd8-+) 41.e4? (41.Ke2 Kb6 42.Kd3 Kc6-+) 41...Kb6 (better 41...Bd4 42.Ke2 Kb6-+) 42.e5 Be7 43.Ke4 Kc6 44.f4? (44.g4 f5! 45.gf5 gf5 46.Kf5 Kd5-+) 44...Kd7 (44...f5!? 45.Kd3-+) 45.f5 (45.g4-+) 45...gf5 46.Kf5 b5 47.d5 (47.Ke4-+) 47...b4 48.d6 (48.Ke4-+) 48...b3 49.de7 b2 50.Kf6 b1Q 51.Kf7 (51.e6 fe6 52.e8Q Ke8 53.Ke6 Qe4 54.Kd6 Qd3 55.Ke6 Qg3 56.Kf5 Qe3 57.Kf6 Qe4 58.Kg5 Kf7 59.Kh5 Kf6 60.Kh6 Qg6) 51...Qf1 (51...Qf5 52.Kg7 Ke7 53.Kh6 Kf7 54.e6 Kf6 55.e7 Qg6) 52.Kg7 (52.Kg6-+) 52...Ke7 (52...Qf5 53.e6 Ke7 54.Kg8 Qg4 55.Kh7 Kf6 56.e7 Qg7) 53.e6 (53.g4 Qf4 54.e6 Qg4 55.Kh6 Kf6 56.e7 Qg6) 53...Qg2 (53...Qf6 54.Kh7 Qg5 55.Kh8 Kf6 56.e7 Qg7) 54.g4 (54.Kg6 Ke6 55.Kg7 Qg3 56.Kf8 Qg4 57.Ke8 Qg8) 54...Qg4 55.Kh6 Qe6 (55...Kf6 56.e7 Qg6) 56.Kh7 (56.Kh5 Qg8 57.Kh4 Qg2 58.Kh5 Kf6 59.Kh4 Kf5 60.Kh5 Qg5) 56...Qf6 (56...Kf7 57.Kh8 Qh3) 57.Kg8 Qf7 (57...Qg5 58.Kh7 Kf6 59.Kh8 Qg7) 58.Kh8 Qf6 59.Kh7?? (59.Kg8 Qg5 60.Kh7 Kf6 61.Kh8 Qg7) 59...Ke6 (59...Qg5 60.Kh8 Kf6 61.Kh7 Qg7) 60.Kg8 Qg5 (60...Qe7 61.Kh8 Kf6 62.Kg8 Qg7) 61.Kh7 (61.Kf8 Qe7 62.Kg8 Kf6 63.Kh8 Qg7) 61...Qg4 (61...Kf6 62.Kh8 Qg7) 62.Kh8 (62.Kh6 Kf6 63.Kh7 Qg7) 62...Kf6 63.Kh7 Qg7 0-1. black_bishop_88 (2510) - Banelevich (2485), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.h4 h5 7.d4 (7.g4 hg4 8.h5 e5 9.hg6 Bh4=+) 7...d6 8.Nd2 Nd7 9.Ne4 Bg7 10.Ng5 (10.g4 hg4 11.h5 gh5=+) 10...Nf6 (10...e5 11.e3=+) 11.N1f3 c5 12.e4 cd4 13.cd4 Bg4 14.Be2 a5 15.b5 Rc8 16.0-0 Qd7 17.e5 (17.Qb3 Qc7=) 17...de5=+ 18.de5 Qd1 (18...Nd5 19.Qb3=+) 19.Rfd1 (worse 19.Bd1 Nd7-/+) 19...Rfd8? (19...Nd7 20.e6 A) worse 20...Ba1 21.ed7 (worse 21.ef7 Kg7 22.Ra1 e5=+) 21...Rcd8 22.Ra1+/-; B) 20...fe6=) 20.Rd8 Rd8 21.ef6 Bf6 (21...ef6 22.Nh3+-) 22.Rd1 (22.Rc1 Bb2 23.Rc7 Ba3 24.Rb7 Kg7+-) 22...Rd1 23.Bd1 Bd7 (23...e6 24.Bb3+-) 24.a4 Bc3? (24...Bg4 25.Bb3 e6 26.Nd2+-) 25.Ne4 (better 25.Bb3!? Be8 26.Bd5 b6+-) 25...Bb4 26.Ne5 Be6 27.Nd3 Ba3 28.Nec5 b6 (28...Bc4+-) 29.Ne6 fe6 30.Bb3 (30.Ne5 Bd6 31.Ng6 e5+-) 30...Kf7 (30...Bd6+-) 31.Ne5 Kf6 (31...Kg7 32.Nd7 e5 33.Nb6+-) 32.Nd7 Kf5 (32...Kf7 33.Nb6 Bb4 34.Nc4+-) 33.Nb6 (better 33.Bc2!? Kg4 34.g3 Kf3 35.Bg6 Ke2+-) 33...e5 34.Nc4 e4 (34...Bc5+-) 35.Na3 (35.Na3 Ke5 36.Nc4 Kd5 37.Nd2 Kd6 38.Ne4 Kc7 39.Bf7+-) 1-0. black_bishop_88 (2495) - adn2y (2060), CL Invitation. Qualif. G4 Team Battle, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

6.h4 h5 7.d4 (7.g4 hg4 8.h5 e5=+) 7...d6 8.e3 a5 9.Nd2 ab4 10.ab4 Ra1 11.Qa1 c5 (11...e5 12.Ngf3=+) 12.bc5= dc5 13.Ngf3 cd4 14.cd4 Nc6 15.Be2 Bg4 16.0-0 (16.Qb2 Qd7=) 16...Re8 (16...e5 17.de5 Ne5 A) 18.Ne5? Be2 (18...Qd2?! 19.Bg4 hg4 20.Nc4=) 19.Ne4 Bf1 20.Nf6 Qf6 21.Kf1 Rc8-+; B) 18.Qa2=) 17.Ne4 Bg7 18.Nc5 (18.Rd1!?=) 18...e5=+ 19.Nb7 Qe7 20.Qa6 (better 20.Qa4 Qb7 21.d5=+) 20...Bf3?? (better 20...Nb4 21.Qa7 ed4-/+) 21.Bf3+= (worse 21.gf3 Nb4 22.Qa7 ed4-+ (22...Qh4?! 23.Nd6 Qe7 24.Qe7 Re7 25.Rb1=)) 21...Nb4 (better 21...Nb8 22.Qa4 ed4 23.ed4 Rf8+=) 22.Qd6 (better 22.Qc4+/-) 22...ed4=+ 23.Qe7 Re7 24.ed4 Bd4 25.g3 (25.Rd1 Bf6 26.g3 Nc2=) 25...Nd3=+ 26.Kg2? (better 26.Nd6=+) 26...Ne1-+ 27.Re1 Re1 28.Nd6 Ra1 29.Bd5 Ra7 30.f4 (30.Nb5 Rd7 31.Bc6 Rd8-+) 30...Rd7 31.Bf7?! (31.Nc8 Kf8 (31...Rd5?! 32.Ne7 Kf8 33.Nd5=) 32.Bc4 Rc7-+) 31...Rf7 (better 31...Kg7!? 32.Bg6 Kg6 33.Nc4-+) 32.Nf7 Kf7 33.Kf3 Bf6 34.g4 Bh4?? (better 34...Ke6-+) 35.gh5= gh5 36.Kg2 Kf6 37.Kh3 Bf2 38.f5 Kf5 39.Kh2 Kg4 40.Kh1 Kh3 ½-½. black_bishop_88 (2580) - RaschnRukk (2535), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.g3 0-0

5.Bg2 a5 6.b5 d5 7.a4 c5 8.bc6 bc6 9.Nf3 Re8 10.0-0 Nbd7 11.c4 e5 12.cd5 cd5 13.Nc3 Ba6 14.d4 e4 15.Ne5 Ne5 16.de5 Re5 17.Nb5 Re7 18.Nd4 Rc7 19.Qd2 Rac8 (better is 19...Rc4!?-/+) 20.Qa5= Bc4 21.Rfc1 Nd7 22.Qd2 Nc5 23.a5 Rb8 24.Bc3 Qd7 25.h4 (25.f3 Re8=) 25...Ra7 26.Kh2 Rba8 27.Bh3 Qc7 28.Bb4? (28.h5 Nb7=) 28...Na6 (better is 28...Bd4 29.Qd4 Nb3-+) 29.Bc3= Qc5 30.Rab1 Nc7 31.Rb6 Ra5 32.Ba5? Bd4-/+ 33.Rb7 Ra5 34.Rc7 Qc7 35.Qd4 Ra2 36.Bf1 Qe7 37.Rb1 Ra8 38.Kg1 Re8 39.e3 Qe5 40.Rd1 Bf1 41.Qe5 Re5 42.Kf1 Kf8 43.Rc1 Ke7 44.Rc7 Kf6 45.Ra7 Re6 46.Ra4 Rd6 47.Rd4 Ke5 48.Kg2 f5 49.Rd1 h6 50.Rb1 g5 51.Rb8 Re6 52.Rd8 Rd6 53.h5?? Rd8-+ 54.g4 d4 55.ed4 Rd4 56.gf5 Rd3 57.f6 Kf5 58.f7 Rd8 59.f3 Rf8 60.fe4 Ke4 61.Kg3 Kf5 62.Kf3-+ Kf6 63.Kg3 Rf7 64.Kg4 Rg7 65.Kg3 Rf7 66.Kg4 Kg7 67.Kg3 Rf6 68.Kg4 Rf5! 69.Kg3 Rf4 70.Kh3 Rh4 71.Kg3 Rh5 72.Kg4 Rh4 73.Kf5 Rf4 74.Ke5 h5 75.Ke6 h4 76.Ke5 h3 77.Ke6 h2 78.Ke7 h1Q 79.Kd6 Qe1 80.Kc7 Rf3 81.Kb6 Rd3 82.Kb7 Qc1 83.Kb8 (83.Ka6 Qb2 84.Ka5 Ra3) ½–½. Kovalyov,Anton (2555) – Boas,Toby, Dos Hermanas Internet qual–E, 2009. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0)

5.Bg2 Nc6 6.d3 d6 7.Nd2 e5 8.Ngf3 Be6 9.0-0 Qd7 10.e4 Bg4 11.c4 Ne7 12.Qc2 c5 (12...a5 13.Bc3=) 13.b5 (13.bc5!? Nc6 14.cd6 Qd6 15.h3 Bf3 16.Nf3+=) 13...b6 14.a4 Rfe8 15.a5 ba5 16.Ra5 Nc8 17.Rfa1 Nb6 18.Bc3 Rec8 19.Qa2 Rc7 20.h3 (20.Nf1 Rb7+/-) 20...Be6 (better is 20...Bh3!? 21.Ra6 Rb7=) 21.g4 h5 22.Ng5 (better is 22.g5!? Nh7 23.Ra6+=) 22...hg4= 23.Ne6 fe6 24.hg4 Ng4 25.Bh3 Nf6 26.Nf1 Kf7 27.Ne3 g5 28.Kf1 Bh6 29.Ke2 Ne8 30.Ng4 Bg7 31.f3 d5? 32.Be5 Rb7 33.Bg7 Ng7?? 34.Ne5+- Kf6 35.Nd7 Rd7 36.Qb2 e5 37.cd5 Nd5 38.ed5 Rd5 39.Ra7 Rad8 40.R1a6 R8d6 41.Rd6 Rd6 42.b6 (42.b6 Ne8 43.b7+-) 1–0. golfx – zbigolb, kurnik, 2012.

5.Bg2 d6 6.e4 e5 7.Nc3 Nc6 8.Nge2 Bg4 9.h3 Bc8 10.0-0 Nh5 11.Nd5 Be6 12.d3 Ne7 13.c4 Bd5 14.cd5 Bh6 15.d4 Bg7 16.Bf3 ed4 17.Nd4 Nf6 18.Ne2 Nd7 19.Bg7 Kg7 20.Bg2 f5? 21.Nf4 Rf6 22.Ne6 Re6 23.de6 Nf8 24.ef5 c6 25.Qd4 Kg8 26.f6 Ne6 27.Qe3 Nf5 28.Qe6 Kf8 29.Rae1 d5 30.g4 (30.g4 Nd6 31.Qe7 Qe7 32.Re7+-) 1–0. Popp,Tony – Boyd,John Michael, CL6–2009.13.08, 2009.

5.Bg2 Nh5 6.Qc1 d5 7.d3 e5 8.Nd2 Nc6 9.c4 dc4 (9...Be6 10.b5 Na5 11.cd5 Bd5 12.Ngf3=) 10.Nc4 Qe7 (10...Nd4 11.Qd1+=) 11.Nf3 (11.Bc6 bc6 12.Nf3 Re8+/-) 11...e4 (11...Nd4!?=) 12.de4+/- Bb2 13.Qb2 Qe4 14.Ncd2 Qe7 15.0-0 Nf6 16.Rfe1 Bg4 17.e4 Rad8 18.e5 Nd5 19.Ne4 (19.b5!? Nb8 20.Rad1+=) 19...Bf3 20.Nf6 Nf6 21.ef6 Qd6 22.Bf3 Nd4 23.Bg2 (better 23.Bb7!? Qf6 24.Kf1=) 23...Qf6-/+ 24.Kh1 Rfe8 (24...c6 25.Re3-/+) 25.Re8 (better 25.Bb7!? c6 26.f4=) 25...Re8-/+ 26.Rd1 (26.Bb7?? Re2 27.Qe2 Ne2-+) 26...h5?? (better 26...Re2 27.Qd4 Re1 28.Re1 Qd4-+) 27.h4 Rd8 28.Bb7 Rd6 29.Bg2 Kg7 30.Rd2 g5 (better 30...Nb5=) 31.hg5+/- Qg5?? (better 31...Qe5 32.Rd1 Qe2 33.Qe2 Ne2+/-) 32.Rd4+- Qf6 33.Rd2 Qb2 34.Rb2 h4 (34...Rd3 35.Ra2+-) 35.gh4 Rd2 (35...Rd4+-) 36.Rd2 1-0. is_er_nog_hoop (2575) - Contento (2585), Rated bullet game, lichess.org, 2020.

4.g4 0-0

5.e3 Ng4?? 6.Bg7+/- Kg7 (better 6...Nf2!? 7.Kf2 Kg7+/-) 7.Qg4+- d5 8.Qg2 f6 9.h4 e5 10.h5 g5 11.Nf3 h6 12.Nc3 Nc6 13.Be2 Be6 14.d3 f5 Black prepares e4 (14...a5 15.b5 Ne7 16.d4+-) 15.d4 (better 15.b5!? Ne7 16.Ne5 c6+-) 15...e4 16.Nd2 Qd6 (16...f4 17.Bb5+-) 17.Nb3 a6 18.Na4 (18.Nc5 Bc8+-) 18...Kh7 (18...f4 19.ef4 Rf4 20.Nac5+-) 19.Nac5 Rg8? Black plans g4 (19...Bc8 20.f4! b6 21.Na4+-) 20.Qh3 (better 20.Nb7!? Qe7 21.N7c5 a5+-) 20...g4 (20...Bc8 21.Rg1+-) 21.Qh2 Qh2 22.Rh2 Bc8 23.Na4 Ne7 24.c4 b6 (24...g3 25.fg3 dc4 26.Nbc5 Rg3 27.Kf2+/- (worse 27.Bc4 b5+=)) 25.Rc1 Bb7 26.cd5 Nd5 27.Rh1 Rac8 (27...g3 28.Rg1 g2 29.Nc3+-) 28.Nb2 (28.Nc3 c6+-) 28...f4 (28...g3 29.Rg1+-) 29.Nc4 (29.ef4 g3 30.Rg1 gf2 31.Kf2 e3 32.Kf1 Rg1 33.Kg1 Nf4+-) 29...f3 (29...g3 30.ef4 Nf4 31.Ne3+-) 30.Bf1 b5 (better 30...g3 31.fg3 Rg3+-) 31.Ne5 g3 32.fg3 Ne3 33.Nc5 Ba8 34.Ned7 (34.Na6!? Bb7 35.Nc5 Bd5 36.Bb5 Rg3+-) 34...Ng2 35.Bg2 fg2 36.Rg1 e3?? (36...Rg3 37.Rc2 Re3 38.Kd1 Ra3 39.Rcg2 Kh8+-) 37.Nf6 Kh8 38.Ng8 Rg8 39.Rc3 (better 39.Na6 Rg3 40.Nc7 Bf3+-) 39...Re8 (39...Rg3 40.Ke2 Bf3 41.Ke3 Bh5 42.Kd2 Rc3 43.Kc3 Bf3+-) 40.Ke2 1-0. lovlas (2380) - agnivo (2040), Hourly Bullet Arena, lichess.org, 2017. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.g5 Ne4 6.c3 d5 (6...Ng5 7.h4 Ne6 8.h5-/+) 7.h4=+ c5 (7...e5 8.Bg2 c6 9.c4=+) 8.Bg2 (8.d3!? Nd6 9.bc5+=) 8...cb4 9.Be4 (9.ab4!? Qb6 10.Be4 de4 11.h5=+) 9...de4 10.cb4?? (better 10.ab4 Na6 11.h5=+) 10...Bb2-+ 11.Ra2 Bg7 12.d3 (12.Nc3 Be6 13.Ra1 e3 14.fe3 Bc3 15.dc3 Qc7-+) 12...ed3 (better 12...Qd5 13.Rc2 ed3 14.Rc8 Qh1 15.Rf8 Kf8 16.Kf1 de2 17.Qe2 Qh4 18.Qd3-+) 13.ed3 (13.Qd3 Bf5 14.Qd8 Rd8-+) 13...Nc6 (13...Qd5 14.Nf3 Qa2 15.Nfd2-+) 14.Ne2 (14.f3 Qd6-+) 14...Nd4 (better 14...Qd5 15.0-0 Qa2 16.Re1-+) 15.Rd2 (15.Nec3 Be6 16.Rb2 Qd7-+) 15...Nf3 16.Kf1 Qd5 17.Rc2 Bg4 18.Nf4 Nd2 (better 18...Qd7 19.Qc1 e5-+) 19.Ke1 (19.Kg1 Qh1! 20.Kh1 Bd1 21.Rd2 Bf3 22.Kh2-+) 19...Qh1 20.Kd2 Qd1 (20...Qd1 21.Ke3 Qf3 22.Kd2 Qf2 23.Ne2 Qe2 24.Kc1 Qd1) 0-1. EvgeniyR (1620) - CrushFamily (2465), Weekly HyperBullet Arena, lichess.org, 2018.

5.g5 Ne4 6.Bg7 Kg7 7.Bg2 d5 8.h4 e5 9.Qc1 h6 10.Nf3 Nd6 11.gh6 Kh7 12.Ne5 Qf6 13.d4 Nc6 14.Nc6 bc6 15.c3 Bf5 16.Nd2 Rae8 17.Bf3 Be4 18.Qb2 Nc4 19.Ne4 de4 20.Qb3 ef3 21.Qc4 Re2 22.Kf1 Rfe8 23.h5 Qf4 24.hg6 fg6 25.Qc6 Qd2 26.Qc7 R8e7 27.Kg1 Rc7 28.Rf1 Rf7 29.Rh3 Qg5 0–1. Adamkosh (1765) – Vitchenzo (1730), lichess.org, 2019.

5.g5 Ne4 6.Bg7 Kg7 7.h4 f6 8.d3 Nf2 9.Kf2+/- fg5 10.Ke1 gh4 (10...g4 11.e3 d5 12.Nc3+/-) 11.Nf3 (11.Rh4 e6 12.Nf3 Rf3 13.Rh7 Kh7 14.ef3 Qh4 15.Kd2 a5-+) 11...Nc6 (11...d5 12.Bh3+/-) 12.Qd2 e5 13.Nh4 Nd4 14.Nf3! Nf3 15.ef3 h5 16.Be2 d5 17.Nc3 d4 18.Ne4 Bf5 19.Kd1 b6 20.Kc1 (20.c4 a6+/-) 20...c5 21.Kb2 (21.bc5 Qe7+/-) 21...Rc8 (21...cb4!? 22.ab4 a5+/-) 22.b5+/- Qe7 23.Rag1 c4 (better 23...h4+-) 24.dc4 Be4 (24...Kf7+-) 25.fe4 Rf2 (25...h4 26.Bh5 Rf6 27.Rh4+-) 26.Rh5 (better 26.Rg6 Kf7 27.Qh6+-) 26...Rc4 (26...Qf6+-) 27.Qh6 Kf6 (27...Kf7 28.Qg6 Kf8 29.Rh8) 28.Qg6 1-0. black_bishop_88 (2510) - ljdr (2410), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

5.g5 Ne8 6.Bg7 Ng7 7.h4 a5 8.b5 c6 9.e3 cb5 10.h5 Nh5 11.Rh5 (11.Be2 Ng7=+) 11...gh5=+ 12.Qh5 d5 (12...Qe8!?=+) 13.Bd3= f5 14.gf6 (14.g6 hg6 15.Qg6 Kh8 16.Qh6 Kg8 17.Qg6 Kh8 18.Qh6 Kg8 19.Qg6=) 14...Rf7=+ 15.Nh3 (15.fe7 Qe7 16.Nc3=+ (16.Qd5? Qf6 17.Bh7 Kh7-+; 16.Bb5?? Qf6 17.Nf3 Qa1 18.Qg5 Qg7 19.Qd5 Kh8-+)) 15...e5 (better 15...ef6 16.Nf4 Nc6-/+) 16.Ng5+= The pressure on the backward pawn h7 grows 16...Qf6 (16...Rf6 17.Qh7 Kf8 18.Nc3+/-) 17.Bh7 (17.Nf7 e4 18.Qd5 ed3 19.Nd6 Be6 20.Qg2 Kh8+=) 17...Kg7 18.Nf7 Qf7 19.Qh2 Nc6 20.Nc3 (20.Bd3 Be6+/-) 20...Be6 21.Bd3 (worse 21.Nb5 Rh8 22.Nd6 Qf8 (22...Rh7?! 23.Qh7 Kh7 24.Nf7 Bf7 25.Rb1+=) 23.Qg2 Kh7-+) 21...Rh8 22.Qg3 Kf8 23.0-0-0 (23.Bf1 Rh1 24.Qg2 Qh5 25.Nb5 Bg4-/+) 23...e4 (23...b4 24.ab4 ab4=+ (worse 24...Nb4 25.Qe5 Nd3 26.cd3+/-)) 24.Qd6 Qe7 25.Qe7 Ke7 26.Bb5 Rh2 27.Rf1 (27.d3 Na7+/-) 27...Ne5 28.Be2 (better 28.d3 Rh4 29.f4+=) 28...Bg4?? (better 28...Kd6=) 29.Nd5 Kd6 (29...Ke6 30.Bg4 Ng4 31.f3 ef3 32.Nf4 Kf5 33.Rf3+/-) 30.Bg4 Ng4 (30...Kd5 31.Be2+-) 31.Nc3 Nf2?? (31...Nf6+-) 32.Rf2! Rf2 (32...Rh1 33.Kb2+-) 33.Ne4 Ke5 34.Nf2 1-0. black_bishop_88 (2530) - pleaseresignnow (2375), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

5.g5 Ne8 6.Bg7 Ng7 7.h4 d5 8.e3 a5 9.c3 ab4 10.cb4 c5 (10...d4 11.Bg2=+) 11.Nc3 (11.bc5!? Qa5 12.Qc2+=) 11...d4=+ 12.ed4 cd4 13.Ne4 d3 (13...Nc6 14.Bg2=+) 14.Qb3 (14.Qb1 Nc6 15.Bd3 Bf5=) 14...Bf5 (14...Qd4!? 15.Nc3 Nc6-/+) 15.Qd3=+ (worse 15.Bd3 Qd4 16.Qb1 Rd8=+) 15...Nc6 16.Qd8 Rfd8 (worse 16...Rad8 17.Ng3+=) 17.d3? (17.f3 Nb4 18.Kd1 Ne6-/+) 17...Nd4 (better 17...Nb4 18.Rb1 Nc2 19.Ke2 Ra3-+) 18.Kd1?? (better 18.Ra2-/+) 18...Be4-+ 19.de4 (19.Rh2 Bc6 20.Ra2 Nb5-+) 19...Nb3 20.Kc2 (20.Ke2 Na1 21.Rh3 Nc2-+) 20...Na1 21.Kb2 Rd1 (21...Rac8 22.Ka1 Rc1 23.Kb2 Rf1 24.Kb3-+) 22.Ne2 (22.Be2 Re1 23.Bg4 e6-+) 22...Ne6 (22...Rad8!? 23.b5-+) 23.Nc3 Re1 (better 23...Rd2 24.Ka1 Ra3 25.Kb1 Rc3-+) 24.Bg2 Rh1 25.Bh1 Nd4 26.Ka1 (26.e5 Nac2 27.Bb7 Ra3 28.Bd5-+) 26...Ra3 27.Kb2 Rb3 28.Kc1 Rc3 29.Kd2 Rc2 30.Kd3 Rf2 (better 30...e5 31.f4 Rh2 32.fe5 Ne6-+) 31.Kd4 Rf4 32.Kc5 (32.h5 gh5 33.b5 h4-+) 32...Rh4 33.Bf3 Rf4 34.Be2 Re4 35.Bc4 (35.Bf3 b6! 36.Kb5-+) 35...b6! 36.Kb5 (36.Kb6 Rc4 Deflection) 36...Re5 (better 36...Rc4 37.Kc4 f6-+) 37.Kb6 Rg5 38.b5 Rg4 (38...Kf8 39.Kc6 Rg4 40.Be2-+) 39.Bd5 (39.Kc5 Rg1-+) 39...Rb4 (39...h5 40.Kc5 Rg1 41.b6-+) 40.Bc6 h5 41.Kc5 Rb1 42.b6 Rb6! 43.Kb6 Kg7 44.Kc5 f5 45.Kd4 Kf6 46.Ke3 e5 47.Kf3 g5 48.Kg3 g4 49.Kh4 e4 50.Kh5 (50.Kg3 e3 51.Bb5-+) 50...e3 51.Bb5 g3 52.Kh4 (52.Be2 g2 53.Bf3 g1Q 54.Bg2 Qh2 55.Bh3 Qh3) 52...g2 53.Kg3 (53.Be2 g1Q 54.Kh3 Qh1 55.Kg3 Kg5 56.Bf3 f4) 53...g1Q 54.Kf3 (54.Kh3 f4 55.Kh4 Qg3 56.Kh5 Qg5) 54…Qf2 0-1. black_bishop_88 (2500) - SmokedGray (2490), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

5.g5 Ne8 6.Bg7 Ng7 7.h4 d5 8.e3 e5 9.Be2 Bf5 10.d3 e4 (10...a5 11.b5=+) 11.Nd2 ed3 12.cd3 Nc6 13.Ngf3 d4 14.e4 (14.b5 de3 15.fe3 Ne7=) 14...Be6= 15.Nh2 (15.b5 Ne7+=) 15...f5 16.f4 (16.b5 Ne5=) 16...fe4 17.Ne4 Rf4 18.Nf6 Rf6 19.gf6 Qf6 20.Ng4 Bg4 21.Bg4 Re8 22.Be2 Nf5 23.Rc1? (23.h5 Ng3 24.Rh2 Qf1 (24...Re2?! 25.Re2 Ne2 26.Qe2=+) 25.Kd2 Qf4 (25...Re2?! 26.Re2 Qd1 27.Kd1 Ne2 28.Ke2=) 26.Kc2 Nf1 (26...Ne2?! 27.Re2 Re3 28.hg6 hg6 29.Qd2=+; 26...Re2?! 27.Re2 Ne2 28.Qe2=) 27.Qf1 Qh2-+) 23...Ne3 (better 23...Nh4 24.Qb3 Kh8-+) 24.Kd2?? (better 24.Qb3 Kh8 25.Ra1-+) 24...Nd1 25.Rcd1 (25.Kd1 Qe6 26.Bf3-+) 25…Qf4 (25...Qf4 26.Ke1 Ne5 27.Rh3 Nf3 28.Rf3 Qf3 29.Rd2 Qh1 30.Kf2 Rf8 31.Kg3 Qg1 32.Kh3 Rf2 33.Bf3 Rf3) 0-1. black_bishop_88 (2485) - VolcanoExplorer (2675), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

5.g5 Nh5

6.Bg7 Kg7 7.h4 d5 8.e4 de4-/+ 9.Nc3 Bf5 10.Qe2 Nc6 11.Ne4?? (better 11.Qe3-/+) 11...Nd4-+ 12.Qd3 Nf4 13.Qc3 Be4 14.f3 Bf5 15.Ne2 Nfe2 16.Be2 e5 (better 16...Qd6 17.Kf2-+) 17.Bc4 (17.Ra2 Re8-+) 17...Nc2 18.Kf2 (18.Kd1 Na1 19.Qe5 Kg8 20.Qa1 Bd3-+) 18...Qd4 (better 18...Na1 19.Qe5 Kg8 20.Qa1 Qd2 21.Kg3-+) 19.Qd4 Nd4 20.Rac1 c6 21.Rhe1 Rfe8 22.h5 (22.Rc3 Rad8-+) 22...Rad8 (better 22...gh5!? 23.Rc3-+) 23.h6 Kg8 (23...Kf8 24.Rc3-+) 24.a4 White plans b5 (24.Rc3 Kf8-+) 24...Be6 (24...Nc2!? 25.Re2 Rd4 26.d3 Nb4 27.Ke3-+) 25.Bf1 (25.Re5 Bc4 26.Re8 Re8 27.Rc4 Re2 28.Kg3 Rd2-+) 25...Bd5 26.b5 (26.Bg2 f6! 27.gf6 Rd6-+) 26...Nf3 27.Re3 (27.bc6 bc6 28.Red1 Ng5-+) 27...Ng5 28.bc6 (28.Rc2 f5-+) 28...bc6 (28...Bc6 29.Bb5 Rd2 30.Kf1-+) 29.Rb1 (29.Rce1 f5 30.Re5 Ne4 31.R1e4 fe4 32.Re8 Re8-+) 29...Rb8 (better 29...Ne4 30.Ke1 Nd2 31.Rb7 Nf1 32.Kf1-+) 30.Re5 Ne4 31.Ke3 Nf6 (31...Nd6 32.Re8 Re8 33.Kd4 Nf5 34.Kc3-+) 32.Re8 Re8 33.Kd4 (33.Kf4 Ne4 34.d3 g5 35.Kg4 Nd2-+) 33...Ng4 (33...Rd8 34.Ke3-+) 34.Kc5 (34.Rb7 a5 35.Ra7 Nh6 36.Ra5 Nf5 37.Kc5 Re1-+) 34...Nh6 35.Rb7 a5 36.Ra7 Nf5 (36...Re1!? 37.Bc4 Rc1 38.d3-+) 37.Ra5 h5 38.Ra7 (38.Bh3 Kg7 39.Ra7 Kf6-+) 38...h4 (38...Ng3 39.Bh3 f5 40.a5-+) 39.a5 (39.Bh3 Re5 40.Kb6 Kg7-+) 39...Ng3 40.Bh3 Be6 (40...f5 41.a6 g5 42.d3-+) 41.Be6 (41.Bg2-+) 41...fe6 42.Rb7 h3 43.Rb1 h2 44.a6 h1Q (better 44...Ra8 45.Ra1 Ra6 46.Ra6-+) 45.Rh1 Nh1 46.Kc6 g5 47.Kd7 Ra8 48.Ke6 Ra6 (better 48...g4 49.Kd6 g3 50.Kc6 Ra6 51.Kb5-+) 49.Kf5 Ng3 (better 49...Ra5!? 50.Kg4-+) 50.Kg4 Ne4 51.Kh3 (51.d3 Nf2 52.Kg5 Nd3-+) 51...Nd2 52.Kg4 Rg6 53.Kh5 Kg7 (53...Rg7 54.Kg4 Nc4 55.Kf3 g4 56.Kg3 Kf7 57.Kf2 g3 58.Kg2 Ne3 59.Kf3 g2 60.Ke2 g1Q 61.Kd3 Qd1 62.Ke3 Rg3 63.Kf4 Qd3 64.Ke5 Re3 65.Kf4 Kg6 66.Kg4 Re4) 54.Kg4 Ne4 (54...Nc4 55.Kf3 Rf6 56.Kg4 Ne3 57.Kg3 g4 58.Kh2 Rf2 59.Kg3 Rf3 60.Kh2 g3 61.Kh3 g2 62.Kh2 Rf1 63.Kg3 g1Q 64.Kh3 Qg4 65.Kh2 Qg2) 55.Kf5 Nf6 Black prepares the advance g4 56.Ke5 g4 57.Kf4 g3 58.Ke5 (58.Kf3 g2 59.Kf2 g1Q 60.Ke2 Qg2 61.Ke3 Qe4 62.Kd2 Rg2 63.Kc3 Nd5 64.Kb3 Qb4) 58...g2 59.Ke6 (59.Kd4 g1Q 60.Kc3 Rg3 61.Kc4 Nd7 62.Kd5 Qc5 63.Ke4 Qe5) 59...g1Q 60.Ke7 (60.Kd6 Qc1 61.Ke5 Rg5 62.Kd6 Rd5 63.Ke6 Qe3) 60...Qe3 (60...Qd4 61.Ke6 Qd5 62.Ke7 Qd7) 61.Kd8 (61.Kd6 Ne8 62.Kd7 Qe6 63.Kd8 Qd6 64.Ke8 Re6) 61...Ne4 62.Kc7 (62.Kd7 Qa7 63.Kc8 Kf6 64.Kd8 Rg8) 62...Nd2 (62...Qc5 63.Kd7 Rd6 64.Ke8 Qe5) 63.Kd8 (63.Kd7 Qa7 64.Kc8 Kf6 65.Kd8 Rg8) 63...Rd6 64.Kc8 Qc5 (64...Qe7 65.Kb8 Rd8) 65.Kb7 Rb6 66.Ka7 (66.Ka8 Qa5) 66…Qa5 0-1. only1b4 (2515) - ath441 (2515), Rated Bullet game, lichess.org, 2019.

6.Bg7 Ng7

7.Nc3 d5 8.h4 e5 9.Bg2 c6 10.Rb1 f6 11.Nf3 (11.b5!?=+) 11...e4-/+ 12.Nh2 fg5 13.hg5? (better 13.e3-+) 13...Qg5 14.Rg1 (14.Be4 de4 15.Nf1 Qf4-+) 14...Qh4 (better 14...Qf4 15.Nf3 Bg4-+) 15.Rf1 (15.Nf3 ef3 16.Bf3-+) 15...Qh2 16.Bh1 (16.Be4 de4 17.e3-+) 16...Bh3 17.Ne4 Bf1 0–1. FeegLood (2570) – potpiedude (2295), lichess.org, 2015.

7.h4 c5 8.e3 cb4 9.ab4 a5 (9...d5 10.Be2=) 10.ba5 Ra5 11.Ra5 Qa5 12.h5 (12.Bg2 Nc6=) 12...d5 (12...Nh5 13.Be2 Ng7 14.Nc3=+) 13.h6 (13.Be2!?+=) 13...Nf5= 14.Bd3 d4 15.e4 Nd6 16.f4 e5 17.fe5 (17.Qf3!?=+) 17...Qe5-/+ 18.Nf3? (18.Qe2 Qg5 19.Nf3 Qc5-/+) 18...Qf4?? (18...Qg3 19.Kf1-+) 19.Ke2?? (better 19.Qe2 Bg4 20.Rf1=+) 19...Ne4 (19...Bg4 20.Rf1 f5 21.ef5 Qh2 22.Ke1 Qg3 23.Rf2 Re8 24.Qe2 Re2 25.Ke2 gf5 26.Rf1-+) 20.Be4 Qe4 21.Kf2 Bg4 22.Re1 (22.Qe2 Qf5-+) 22...Qf4 23.d3 (23.Qe2 f6 24.Qe4 Qe4 25.Re4 Bf3 26.Kf3 fg5 27.Kg4 Nc6-+) 23...Nc6 (23...f6 24.Re4 Bf3 25.Qf3 (25.Rf4?? Bd1 26.Rd4 fg5 27.Ke3 Bc2-+) 25...Qh2 26.Ke1 Qg1 27.Qf1 Qg5 28.Qf4 Qf4 29.Rf4-+) 24.Re4 Qf5 (24...Bf3 25.Qf3 (25.Rf4?? Bd1 26.Na3 Re8-+) 25...Qg5 26.Qf4 Qf4 27.Rf4-+) 25.Nbd2 Qg5?? (better 25...Ne5 26.Qe2 f6 27.Kg3 Bf3 28.Nf3 Nf3 29.Qf3 Qg5 30.Qg4 Qh6 31.Qe6 Kh8 32.Rd4 Qg5 33.Kf2-+) 26.Ng5?? (better 26.Qg1 Qh6 27.Qg4=) 26...Bd1-+ 27.Nb3 Bc2 28.Nd4 (28.Nc5 f6 29.Nge6 Re8-+) 28...Bd3 29.Rf4 Nd4 30.Rd4 Bf5 31.Rb4 Rb8 32.Rb6 Rc8?? (better 32...Bd7-+) 33.Rb7-/+ Rc2 (33...Rf8!?-/+) 34.Kf3=+ Rc3 35.Kf4 Rc4 36.Ke5 Rc5 37.Kd6 Rc8 (better 37...Rc1!? 38.Rf7 Rd1 39.Kc6 Rc1 40.Kb6 Rb1 41.Kc5 Rc1 42.Kb4 Rg1 43.Rg7 Kf8 44.Nh7 Ke8 45.Nf6 Kf8+=) 38.Rf7+- (38.Nf7?! Rc6 39.Kd5 Bh3=) 38...Rd8 39.Ke5 (better 39.Kc7 Rc8 40.Kb7+-) 39...Rf8?? (better 39...Rd7 40.Rf6 Ra7=) 40.Rg7+- Kh8 41.Rh7 (41.Nf7 Rf7 42.Rf7 Kg8 43.Kf6 Be6 44.Rb7 Bc8 45.Rb8 g5 46.Rc8) 41...Kg8+- 42.Rg7 Kh8 43.Nf7 Rf7 44.Rf7 Kg8 (44...Bd3+-) 45.Kf6 Kh8 (45...Bd3 46.h7 Kh8 47.Kg5 Be2 48.Kh6 Bc4 49.Rf8 Bg8 50.hg8Q) 46.Rg7 (46.h7 Bd3 47.Kg5 Be2 48.Kh6 Bc4 49.Rf8 Bg8 50.hg8Q) 46...Be4 (46...Bd3 47.Kg5 Bc4 48.Rc7+-) 47.Kg5 (47.Re7 Bd3 48.Kg5 Be2 49.Re2 Kh7 50.Re7 Kg8 51.h7 Kh8 52.Kh6 g5 53.Re8) 47...Bd3 (47...Bd5+-) 48.Re7 Bc2 (48...Kg8 49.h7 Kh8 50.Kh6 Bb5 51.Rf7 Bc4 52.Rf8 Bg8 53.hg8Q) 49.h7 Bb1 (49...Be4 50.Kh6 Bc6 51.Rf7 Bd5 52.Rf8 Bg8 53.hg8Q) 50.Kh6 Ba2 51.Rg7 (51.Re8 Bg8 52.hg8Q) 51...Bd5 (51...Be6 52.Rb7 Bc8 53.Rb8 g5 54.Rc8) 52.Rg6 (52.Rd7 Bg8 53.Rd8 g5 54.hg8Q) 52...Bf7 53.Rf6 (53.Rf6 Bg8 54.hg8Q Kg8 55.Kg6 Kh8 56.Rf8; 53.Rc6 Be6 54.Rd6 Bg8 55.hg8N Kg8 56.Rf6 Kh8 57.Rf8) 1-0. black_bishop_88 (2465) - Brayane321 (2295), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

7.h4 d5 8.e3 Nc6 9.Be2 e5 10.h5 (10.b5 Nb8=) 10...Be6 (10...Qg5 11.b5 Ne7 12.Nf3=+) 11.hg6 fg6 12.Nf3? (12.b5 Na5=+) 12...Qd6 (better 12...e4 13.Nh4 Qg5-+) 13.Nc3= Bg4 14.Ng1 Be2 15.Nge2 (15.Qe2 Ne6 16.Nh3=) 15...e4 (15...Ne6 16.d4=+) 16.Nf4 (16.d3!? ed3 17.Qd3+=) 16...Ne5 17.Qe2 (better 17.Ncd5!? Nf3 18.Ke2 Ng5 19.Qb1=+) 17...Nf3-/+ 18.Kd1 Rae8 (18...c6 19.Rb1-/+) 19.Kc1 (19.Ncd5 Ng5 20.Nc3 N7e6=+) 19...Nf5 (19...c6 20.Nh3-/+) 20.Kb2 (20.Ncd5 Ng5 21.Qc4 Rf7=) 20...a5 (20...c6 21.d3 Ng5 22.de4 Ne4 23.Ne4 Re4 24.Nd3-/+) 21.b5 (21.Ncd5 Ng5 22.Qc4=) 21...c5 Black prepares d4 (21...c6 22.Nh3-/+) 22.Rh3?? (better 22.Ncd5 Ng5 23.Qc4+=) 22...Ng5-+ 23.Rh2 (23.Rhh1 d4 24.Ncd5 Nf3-+) 23...d4 24.Qc4 (24.Na4 Nf3 25.Rhh1 Rf7-+) 24...Kg7 25.Na4 de3 (better 25...Nf3!? 26.Rh3 Nd2 27.Qc5 de3 28.fe3 Ne3 29.Nh5 gh5 30.Rg1 Kh8 31.Qd6 Nec4 32.Kc1 Nd6 33.Kd2 e3 34.Kd3 Nb5 35.Re3 Re3 36.Ke3 Na3-+) 26.de3 Qf6 27.Nc3 Nf7 (27...Nd6!? 28.Qa4 Nf3-/+) 28.Rah1= Ne5?? (better 28...h6=) 29.Rh7 1-0. black_bishop_88 (2560) - Dondimi (2630), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

7.h4 e5 8.Nc3 d5 9.Bg2 c6 10.Nf3 Bg4 (better 10...f6!? 11.d3 Bg4=+) 11.Ne5+/- Bh5 12.d4 f6 13.gf6 Qf6 14.Bf3 (14.Rf1 Ne6 15.Qd2 Qh4+=) 14...a5 15.b5 Bf3 16.Nf3 Nd7 17.Qd2 Nb6 18.Qh6 (18.Qg5 Qd6+=) 18...Nc4 19.0-0-0 (better 19.Kd1 Nf5 20.Qg5=) 19...Qe7-/+ (19...Na3 20.Ng5 Rfc8 21.e4+- (worse 21.Qh7 Kf8+/-)) 20.Qg5?? (better 20.Nb1-/+) 20…Qa3 (20...Qa3 21.Kb1 Qb2) 0-1. black_bishop_88 (2620) - dolynachess (2420), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

7.h4 e5 8.e3 d5 9.Be2 Nc6 10.h5 Be6 11.h6 Nf5-/+ 12.Nc3 (12.Nh3 f6-/+) 12...Qg5 13.Nf3 Qf6 14.b5 Na5 15.e4 Nd4 16.Nd4 ed4 17.Nd5 Bd5 18.ed5 Rae8 19.Kf1 Qf4 20.Bd3 Re5 21.Rh3 Rfe8 (21...Rd5 22.Qe2-+) 22.Qf3-/+ Qd2?? (better 22...Qg5-/+) 23.Qf6+- Re1 (23...Kf8 24.Qg7 Ke7 25.Qe5 Kd8 26.Qd4+-) 24.Kg2 (24.Kg2 Qh6 25.Rh6 Ra1 26.Rh7 Kh7 27.Qf7 Kh8 28.Bg6 Rh1 29.Kh1 Re1 30.Kg2 Rg1 31.Kg1 d3 32.Qf8) 1-0. black_bishop_88 (2475) - Nogai (2510), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

7.h4 e5 8.e3 d5 9.Be2 Re8 10.Nc3 d4 (10...Bf5!?=+) 11.Ne4+= Nd7 12.h5 Nf5 13.hg6 hg6 (13...fg6 14.Bc4 Kg7 15.Qf3+=) 14.Bc4 (14.Bg4 Kg7+/-) 14...Kg7+= 15.Nf3 Qe7 (15...Rh8 16.Rh8 Qh8 17.c3+=) 16.Qe2 Nd6 17.Nd6 Qd6 18.Nh4 (18.ed4!? Re7 19.Rh4 ed4 20.Re4 Re4 21.Qe4+/-) 18...e4= 19.Qg4 (19.ed4 Nb6 20.Ba2 Qd4=) 19...Ne5 (better 19...de3 20.Nf5 gf5 21.Rh7 Kg8 (worse 21...Kh7 22.Qh5 Kg7 23.Qf7 Kh8 24.0-0-0 ed2 25.Kb1 Qb4 26.ab4 Nf6 27.Qf6 Kh7 28.Qh6) 22.Rh8 Kg7 23.Rh7 Kg8 (worse 23...Kh7 24.Qh5 Kg7 25.Qf7 Kh8 26.0-0-0 ed2 27.Kb1 Qb4 28.ab4 Nf6 29.Qf6 Kh7 30.Qh6) 24.Rh8 Kg7 25.Rh7=) 20.Qf4?? (20.Qe4 Nc4 21.Qe8 de3 22.Nf3 (22.de3?? Qd2 23.Kf1 Bh3 24.Rh3 Re8-+; 22.fe3?? Qd2 23.Kf1 Bh3 24.Rh3 Re8-+) 22...Qd2 23.Nd2 ed2 24.Kf1 Bh3 25.Rh3 Re8 26.Rd3=) 20...de3 21.Qf6 Qf6 22.gf6 Kf6 23.Be2 ed2 (23...Rh8 24.fe3 Kg5 25.Nf3 ef3 26.Rh8 fe2 27.Kf2-+) 24.Kd2 Bf5 25.Nf5 gf5 26.Ke3 Rad8 27.Rag1 Ng6 28.Bh5 (28.f4 ef3! 29.Kf3 Rd4-+) 28...f4 29.Ke2 Ne5 30.Bg4 (30.Rh4 f3 31.Ke3 Nc4 32.Kf4 Na3-+) 30...Rh8 31.Rh8 Rh8 32.f3 Rh2 33.Kd1 e3 (better 33...ef3 34.Bf3 Nf3-+) 34.Bc8 (34.b5 Ke7 35.Re1 f5-+) 34...b6 (better 34...Nf3 35.Bg4 Ng1-+) 35.Bb7 (35.Ba6 Nf3 36.Rf1 Rd2 37.Kc1 Rf2 38.Rf2 ef2-+) 35...Nc4 (better 35...c6 36.Kc1 Nf3-+) 36.Be4 Na3 37.Rg4 (37.Bd3 c5 38.bc5 bc5-+) 37...Ke5 (37...Nb1 38.Rf4 Ke5 39.Rf7 Rd2 40.Kc1-+) 38.Rg5 Kd4 39.Rd5 Kc3 40.Rd3 (40.b5 Nb1 41.Rd7 Kb2 42.Rc7 Nc3 43.Rc3 Rd2 44.Ke1 Kc3-+) 40...Kb4 41.Rb3 Ka4 42.Bc6 (42.Rb2 Nb1! 43.Bc6 b5 44.Bb5 Ka5 45.Rb1 Rh1 46.Ke2 Rb1-+) 42...b5 43.Rd3 (43.Be4 Rd2 44.Kc1 Nc4-+) 43...a6 (43...e2 44.Kd2 Nc2 45.Rd4 Ka5 46.Kd3 e1Q 47.Bb5 Qe3 48.Kc4 Qd4 49.Kb3 Na1 50.Ka3 Qc3) 44.Rd4 Ka5 45.Rf4 (45.Be4 c5 46.Rd5 Nb1 47.Rc5 Kb4-+) 45...Nc2 (45...e2 46.Ke1 Nc2 47.Kd2 e1Q 48.Kd3 Qe3) 46.Re4-+ Nb4 47.Rb4 (47.Re3 Nc6 48.Kc1 Kb4 49.Re4 Kc3 50.Re3 Kd4 51.Re4 Kd3-+) 47...Kb4 48.f4 Kc3 49.Bh1 e2 (49...e2 50.Ke1 Rh1 51.Ke2 a5 52.Kf2 a4 53.Kg2 Rh6 54.Kg3 a3 55.Kf2 a2 56.Ke3 a1Q 57.Kf2 Qa2 58.Kf3 f5 59.Kg3 Qh2 60.Kf3 Rh3) 0-1. black_bishop_88 (2475) - Murad_Ibrahimli (2575), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

4.g4 Nh5

5.Bc3 Bc3 6.Nc3=.

5.g5?? Bb2-+ 6.Ra2 Bg7 7.e3 e5 8.h4 h6 9.Nf3 e4 10.gh6 Bh6 (10...ef3?! 11.hg7 Ng7 12.Qf3 Rh4 13.Rh4 Qh4 14.Nc3-+) 11.Nd4 Nc6 12.Nc3 (12.Nc6 dc6 13.Be2 Bg7-+) 12...Nd4 13.ed4 d5 14.Be2 (14.d3 e3 15.Qe2 Be6-+) 14...Nf4 15.Bg4 f5 16.Be2 Bg7 17.Kf1 (17.h5-+) 17...Rh4 18.Rg1 c6 (18...Rh2 19.Bb5 c6 20.d3 Bd4 21.de4 Bc3 22.Ba4 fe4 23.Bc6 bc6 24.Qd3 ed3 25.f3 Qe7 26.cd3 Qe1) 19.d3 (19.Ke1 Bd4 20.Qb1 Rh2-+) 19...Bd4 (better 19...Rh2 20.Qd2 Qh4-+) 20.Na4 (20.Qd2 Qf6 21.Nd1 Nh3-+) 20...Qf6 (20...Rh2 21.de4 Rf2 22.Ke1 Re2 23.Qe2 Qh4 24.Kd1 Ne2 25.c3 Ng1 26.cd4 Qe4 27.Nc3 Qd3 28.Rd2 Qc3 29.a4 f4 30.b5 Bg4 31.Ke1 Be2 32.bc6 Qg3) 21.de4 (21.Qd2-+) 21...fe4 22.c3 Be5 (better 22...Bf2!? 23.Bf3 Bg1 24.Qe1-+) 23.Nc5 (23.Ke1 b5 24.c4-+) 23...Bh3 24.Ke1 Bc3 25.Rd2 Qd4 (25...Ng2 26.Kf1 Ne3 27.Ke1 Nd1 28.Kd1 Bd2 29.Kd2 Qb2 30.Kd1 Qb1 31.Kd2 Qg1 32.Nb3 Qf2 33.Nc1 e3 34.Kc2 Bf5 35.Kb2 Qe1 36.Bd1 Qd2 37.Kb3 Qd1 38.Kb2 Qc2 39.Ka1 Qb1) 26.Nb3 Bd2 (26...Qe5 27.Qb1 e3 28.Kd1 ed2 29.Bd3 Nd3 30.Qd3 Qe1 31.Re1 de1Q 32.Kc2 Bf5 33.Nd4 Bd3 34.Kb3 Bc4 35.Ka4 Qd1 36.Nc2 Qc2 37.Ka5 b6) 27.Qd2 Qd2 (better 27...Ng2!? 28.Kf1 Qe5 29.Nc5-+) 28.Kd2 Ne2 (28...d4 29.Re1 0-0-0 30.b5 Ne2 31.Ke2 d3 32.Kd2-+) 29.Ke2 Bf5 30.Nd4 (30.Ke3 Kd7-+) 30...Kf7 31.Nb3 (31.Rg3 a5 32.ba5 Ra5-+) 31...Rah8 32.Nc5 (32.Nd4 Rh3 33.Rg3 Rg3 34.fg3 Rh2 35.Ke3 Ra2-+) 32...b6 33.Nb3 Rh2 34.Nd4 (34.Rg3 R8h3 35.Rh3 Rh3-+) 34...Rh1 (34...R8h3!? 35.a4-+) 35.Rg3 (35.Rh1 Rh1 36.Nc6 Ra1-+) 35...R8h3 (35...c5 36.bc5 bc5 37.Nf5 gf5 38.Rc3-+) 36.Rg2 (36.Nc6 Rg3 37.fg3 Ra1-+) 36...R1h2 (better 36...c5 37.Nf5 gf5 38.Rg3-+) 37.Rg1 (37.Rh2 Rh2 38.Nc6-+) 37...Ra3 38.Nc6 Ra2 (better 38...e3 39.Rc1 Rf2 40.Ke1-+) 39.Ke3 Rhf2 40.Kd4 Rfd2 (better 40...Kf6!? 41.Kd5 Rfd2 42.Nd4-+) 41.Ke5 Rac2 42.Nd4 Rd4! 43.Kd4 Rc4 (43...Ke6 44.b5-+) 44.Ke5 Rb4 45.Rh1 (45.Kd5 e3 46.Re1 Re4-+) 45...Kg7 (45...e3 46.Ra1-+) 46.Rc1 (46.Kd5 e3 47.Re1 Re4-+) 46...d4 47.Rc7 Kh6 48.Kf6 Kh5 49.Rc1 Kg4 50.Rg1 Kf3 51.Rb1 Ke2 (51...Rb1 52.Ke7 e3 53.Kf7 e2 54.Kg7 e1Q 55.Kf6 Qe6 56.Kg7 Qe7 57.Kg8 Be6 58.Kh8 Rh1) 52.Rb4 d3 53.Rd4 d2 54.Re4 Be4 55.Kg5 d1Q 56.Kh6 (56.Kf6 Qd6 57.Kf7 g5 58.Kg7 Qe7 59.Kg8 g4 60.Kh8 Qf8) 56...Qd3 (56...Qd6 57.Kg7 Qe7 58.Kh6 Qf8 59.Kg5 Kf3 60.Kh4 Qh6) 57.Kg7 (57.Kh7 Qd8 58.Kg7 Qe7 59.Kh6 Qf8 60.Kg5 Kf3 61.Kh4 Qh6) 57…Qe3 (57...Qe3 58.Kf6 a5 59.Ke6 a4 60.Kf6 a3 61.Ke6 Bf5 62.Kf7 a2 63.Kf6 a1Q 64.Kf7 Qe6 65.Kf8 Qaf6; 57...g5 58.Kf8 Qd6 59.Kf7 a5 60.Kg7 Qe7 61.Kg8 g4 62.Kh8 Qf8) 0-1. black_bishop_88 (2545) - twoyearsold (2530), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

5.gh5 Bb2-/+ 6.Ra2 Bg7 7.Nf3 d5 8.d4 c6 9.Qd2 (9.e3 Bg4 10.hg6 hg6-/+) 9...Bf5 10.h6 Bf6 11.Nc3 Nd7 12.Bg2 0-0 13.0-0 e5 14.de5 Ne5 15.Ne5 Be5 16.Nd1 Qc7 (16...Re8 17.b5-+) 17.f4-/+ Bf6 18.Nf2 (18.Ne3!? Bd7 19.c4 dc4 20.Nc4-/+) 18...Rfe8 19.e3 Be4 (better 19...Qe7!? 20.Re1 Qe6-+) 20.Ne4-/+ de4 21.c4 Rad8 22.Qe2 Rd3 23.Rd2 Rd2 (better 23...Ra3!? 24.Ra2 Rb3-+) 24.Qd2=+ Qb6 25.Rd1?? (better 25.c5 Qa6 26.f5=+) 25...Rd8-+ 26.Qe2 Rd1 27.Qd1 Qe3 28.Kh1 Bd4 29.c5 f6 (29...f5 30.h3-+) 30.Qb1 (30.h4 f5-+) 30...Qf4 31.Be4 Be5 32.Qb3 (32.Qa2 Kf8 33.Qe2-+) 32...Kf8 33.Kg2 Qe4 34.Kh3 (34.Qf3 Qf3 35.Kf3 Bh2-+) 34...Qf5 (better 34...Qh1 35.Qg3 Bg3 36.Kg3 Qa1-+) 35.Kg2 Qg4 36.Kf2 (36.Kf1 Qf4 37.Ke1 Qe4 38.Kd2 Qg2 39.Ke1 Qg1 40.Ke2 Qh2 41.Kd3 Qh5-+) 36...Qf4 37.Ke2 Qh2 38.Kd3 Qh6 39.Kc4 (39.Qe6 Qh1 40.Qc8 Kg7 41.Qb7 Kh6-+) 39...Qc1 40.Kd3 Qf4 (40...Qf1 41.Kc2 Qe2 42.Kb1 h5-+) 41.Qe6 (41.Ke2-+) 41...Qd4 42.Ke2 Qe4 43.Kf2 Bd4 44.Kg3 Qe6 45.Kh4 (45.Kf3 Qe3 46.Kg2 Qf2 47.Kh3 Be5 48.b5 Qg3) 45...Qb3 (45...Bf2) 46.b5 (46.Kg4 h5 47.Kf4 Qe3) 46...Qa3 (46...Bf2 47.Kg4 Qg3) 47.bc6 bc6 (47...Bf2 48.Kg4 Qg3) 48.Kg4 Qc5 (48...h5 49.Kf4 Qe3) 49.Kh4 (49.Kf3 Qc2 50.Kg4 Qf2 51.Kh3 Be5 52.Kg4 Qg3) 49...Qf5 (49...Qc3 50.Kg4 h5 51.Kf4 Qe3) 50.Kg3 a5 (50...Qf2 51.Kh3 Be5 52.Kg4 Qg3) 51.Kh4 (51.Kg2 Qf2 52.Kh3 Be5 53.Kg4 Qg3) 51...a4 (51...Bf2) 52.Kg3 a3 (52...Qf2 53.Kh3 Be5 54.Kg4 Qg3) 53.Kh2 (53.Kg2 Qg4 54.Kh2 a2 55.Kh1 Qh3) 53...a2 (53...Qg4 54.Kh1 Qh3) 54.Kg2 (54.Kg3 Qf2 55.Kg4 Be5 56.Kh3 Qg3) 54...a1Q 55.Kh2 (55.Kg3 Qc3 56.Kg2 Qfh3) 55...Qa2 (55...Qg1) 56.Kg3 Qd3 (56...Qaf2) 57.Kh4 (57.Kg4 h5 58.Kf4 g5) 57…Qh2 (57...Qh2 58.Kg4 h5; 57...Qf2 58.Kg4 h5) 0-1. black_bishop_88 (2520) - supertraper (2400), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g4)

4.h4 0-0

5.e3 d6 6.Be2 e5 7.h5 a5 8.h6 Bh8 9.b5 Nbd7 10.Nf3 Nb6 11.a4 d5 (better 11...Re8!?=+) 12.Be5+= Re8 13.d4 Bg4 14.Nbd2 Rc8 15.Rc1 (15.Nb3 Nbd7+/-) 15...c6 (15...Na4!? 16.c4 Nb6+=) 16.c4 dc4 17.Nc4 Nc4 18.Bc4 Nd5 19.Bh8 Kh8 20.Qb3 (20.bc6!? Rc6 21.0-0+/-) 20...Bf3+= 21.gf3 Qg5 22.Bd5 cd5 23.Ke2 Rc1 (23...Qf5!?+/-) 24.Rc1+- Kg8 (24...b6 25.Qc2 Qh6 26.Qc7+-) 25.Rc5 Rd8 26.b6 Qh6 27.Rd5 Re8 (27...Qf8 28.Ra5 Qd6 29.Rc5+-) 28.Rd7 Qf8 29.Rb7 h5 30.Rc7 h4 31.b7 h3 32.Rc6 (better 32.Qc2 h2 33.Rc8 h1Q+-) 32...h2 33.Rg6?? (better 33.Rc1 Rb8 34.Qd5+-) 33...Kh7= 34.Rf6 (better 34.Qc2 Kh8 35.Qf5+=) 34...h1Q?? (better 34...Kg7 35.Qb5 h1Q 36.Qg5 Kh8=) 35.Rf7+- Kh8 36.Rf8 Rf8 37.Qe6 (better 37.b8Q Qf3 38.Kd3 Qf5 39.e4 Qf3 40.Kc4 Qe2 41.Kd5 Rb8 42.Qb8 Kg7 43.Qc7 Kh6 44.Qb6 Kh5 45.Qa5+-) 37...Qf3-/+ 38.Kd3 Qf2?? (38...Qb7 39.f4 Qb1 40.Ke2 Qc2 41.Kf3 Qd1 (41...Qa4?! 42.Qh6 Kg8 43.Qg6 Kh8 44.Qh6 Kg8 45.Qg6 Kh8 46.Qh6=) 42.Ke4 Qb1 (42...Qa4?! 43.Qh6 Kg8 44.Qg6 Kh8 45.Qh6 Kg8 46.Qg6 Kh8 47.Qh6=) 43.Kf3 Qh1 44.Kf2 Qh5 45.Qe5 Qe5 46.de5 Rc8-+) 39.Qh6 (39.Qe5!? Kh7 40.Qc7 (40.Qa5?? Qf1 41.Ke4 Qb1 42.Kd5 Rf5 43.Kc6 Ra5-+) 40...Kh6 41.b8Q Qf1 42.Kd2 Qf2 43.Kc3 Qe3 44.Kc4 Qe2 45.Kc5 Qc2 46.Kb6 Qb3 47.Ka7 Rb8 48.Qb8 Qa4 49.Qb6 Kg5 50.Ka6+=) 39...Kg8+= 40.Qg6 Kh8 41.Qh5 Kg8 42.Qg4 (42.Qg5 Kf7 43.b8Q Qf1 44.Kd2 Qf2 45.Kc3 Rb8 46.Qd5 Ke7 47.Qe5 Kd7 48.Qb8 Qe3 49.Kc4 Qc1 50.Kd3 Qd1 51.Ke4 Qe2 52.Kf5 Qc2 53.Kg5 Qg2 54.Kh4 Qh1 55.Kg4 Qg2 56.Qg3 Qc2=) 42...Kh8= 43.Qh5 Kg8 44.Qg6 (44.Qg5 Kf7 45.b8Q Qf1 46.Kd2 Qf2 47.Kc3 Rb8 48.Qd5 Ke7 49.Qe5 Kd7 50.Qb8 Qe3 51.Kc4 Qc1 52.Kd3 Qd1 53.Ke3 Qc1 54.Kf2 Qd2 55.Kg3 Qc3 56.Kg4 Qd4 57.Qf4 Qd5=) 44...Kh8= 45.Qh6 Kg8 46.Qg5 Kh8 (better 46...Kh7 47.d5 Qb2 48.Qe7 Kg8 49.Qe6 Kg7 50.Qd7 Kg8=) 47.Qf4?? (47.Qe5 Kh7 48.Qc7 (48.Qa5?? Qf1 49.Kc3 Qe1 50.Kc4 Qa5-+) 48...Kh6 49.b8Q Qf1 50.Kd2 Rf2 51.Kc3 Qc1 52.Kd3 Qf1 53.Ke4 Qg2 54.Kd3 Qf1 55.Ke4 Qg2 56.Kd3 Qf1=) 47...Kg8?? (better 47...Qf4 48.ef4 Rb8-+) 48.Qf2+- Rf2 49.b8Q Kg7 (49...Rf8 50.Qe5 Rf7+-) 50.Qg3 (50.Qg3 Kf7 51.Qf2 Kg6 52.d5 Kg5 53.d6 Kh6 54.d7 Kg6 55.Qg2 Kh7 56.d8Q Kh6 57.Qh4) 1-0. black_bishop_88 (2540) - AgresivePlayer (2405), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.e3 d6 6.Be2 e5 7.h5 Qe7 8.d3 a5 9.Nd2 Nc6 (9...g5 10.h6 Bh8 11.b5=+) 10.b5= Nd8 11.g4 (11.hg6 fg6 12.Ngf3 Nf7=) 11...Ne6 12.a4 (12.hg6 fg6 13.Nh3 Nc5=) 12...Bd7 (12...g5 13.h6 Bh8 14.Bf3=+) 13.Nh3 Nd5 14.Bf3 c6 15.Nc4 Nec7 (15...Ra7 16.g5=) 16.e4 Nf6 (16...cb5!? 17.ab5 Bb5 18.Na5 Nb4+=) 17.g5+/- Nfe8 18.h6 (18.Nb6 Rd8+/-) 18...Bh8= 19.Qd2 (19.Nb6 Rb8+=) 19...f6 (19...cb5 20.ab5 Bb5 21.Na5=) 20.Nb6+= (worse 20.Na5 fg5 21.Bd1 g4=+) 20...Rd8 21.Nd7 Qd7 22.b6 Ne6 23.Bg4 Qe7 24.f4 (24.Qa5 Ng5 25.Qc3 d5+=) 24...ef4 (24...Nf4 25.Nf4 ef4 26.Qc3-/+) 25.Qc3= d5 26.0-0-0 d4 (better 26...de4 27.de4 Rd1 28.Rd1 Qf7+=) 27.Qb3+/- f5 28.ef5 gf5 29.Ba3 Qf7 (29...c5 30.Nf4 Rd6+-) 30.Bh5!! (30.Bf8 fg4 31.Rde1 A) 31...Kf8 32.Re6 Rd5 33.Rhe1 gh3 34.Qa3 (34.Re8? Qe8 35.Re8 Ke8-/+) 34...c5 35.Re8 Qe8 36.Re8 Ke8 37.Qb3 Rg5 38.Qe6 Kd8 39.Qd6 (39.Qh3?! Bf6+-) 39...Ke8 40.Qb8 Kf7 41.Qh8+-; B) 31...gh3 32.g6 Qf5 33.g7 Bg7 34.hg7=; C) 31...Nf8 32.Nf4 Qb3 33.cb3 Nd6-/+) 30...Qh5 31.Nf4 (31.Bf8?! Qf7 32.Ba3 Rd5+-) 31...Qf7 32.Ne6 Nd6 (32...Be5 33.Nd8 Qb3 34.cb3 Nd6+-) 33.Nf8 (better 33.g6 hg6 34.h7 Qh7 35.Rh7+-) 33...Qb3 (33...Kf8 34.Rhf1 Be5 35.Rde1 Qb3 36.cb3+-) 34.cb3 Kf8 35.Rde1 (35.Rhf1!? Kf7 36.Bd6 Rd6 37.Rf5 Kg6 38.Ra5 Re6+-) 35...Kf7 36.Bd6 Rd6 37.Rhf1 Rd5 38.Rf4 (38.Re2 Kg6 39.Re7 Rc5 40.Kd2 f4 41.Rb7 Rf5+-) 38...Rc5 39.Kb1 (better 39.Kd2 Kg6 40.Re8+-) 39...Rd5? (better 39...Kg6 40.Re7 Kg5+-) 40.Rg1?? (better 40.Rf2 Kg6 41.Re7+-) 40...Kg6+= 41.Rf2 Be5 42.Rgf1 f4 43.Rf4 (43.Rg2!? Bd6 44.Re2+=) 43...Bf4=+ 44.Rf4 Kg5?? (better 44...Rd7=+) 45.Rf7+/- Kh6 46.Rb7 Rd8 47.Rc7 Rb8? (better 47...Kg5+/-) 48.Rc6+- Kg5 49.Rc5?? (49.b4 h5 50.ba5 h4+-) 49...Kg6? (49...Kf4 50.Rb5 Ke3+-) 50.Ra5 (50.Rb5 h5 51.b4 ab4 52.Rb4 h4+-) 50...Rb6 51.Kb2 h5 52.Rd5 h4 53.Rd4 Kg5 54.a5 Rb5 (54...Ra6 55.b4+-) 55.a6 Rb8 56.Ra4 h3 57.a7?? (better 57.Ra1+-) 57...Ra8= 58.Ra1 Kg4 59.b4 (better 59.Ra6=) 59...h2-/+ 60.b5 Ra7! 61.Rh1 (61.Ra7 h1Q Combination) 61...Kg3 62.Kb3 Rd7 63.Kc4 Rc7 64.Kd5 Rd7 65.Kc4 Rf7 (65...Kg2 66.Rb1-+) 66.d4 Rc7 (66...Kg2 67.Rh2 Kh2 68.b6=+) 67.Kd5 Rd7 68.Kc6 Rf7 69.Rh2 Rf6 70.Kc5 Kh2 71.d5 Rf1 72.Kd6 Rd1 0-1. black_bishop_88 (2670) - GalperinPlaton (2640), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.h5 d5 6.h6 (6.hg6 fg6 7.Nf3 Bg4=) 6...Bh8=+ 7.Nf3 c6 8.e3 Bg4 9.c4 dc4 10.Bc4 e6 (10...b5 11.Be2=+) 11.Nc3 Nbd7 12.Ne2 (12.d4 Nb6 13.Bd3 e5 14.de5 Nfd7=) 12...Bf3 13.gf3 Nb6 14.Bb3 Nbd5 15.Rc1 Ne7 16.Rc2 Nf5 (16...a5 17.Qa1 Ned5 18.e4=+) 17.Qa1 Rc8 (better 17...Nd6=+) 18.e4+/- Ne7?? (better 18...Nd6 19.e5 Nb5 20.ef6 Qd3+/-) 19.Bf6+- (19.Bf6 Bf6 20.Qf6+-) 1-0. black_bishop_88 (2535) - Romchic2503 (2225), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.h5 Nh5 6.Bg7 Ng7 7.d3 f5 (7...d6 8.Qd2=+) 8.Nf3 e6 9.Qd2 Qf6 10.Nc3 d6 11.0-0-0 f4 12.g3 (12.d4 Qe7=+) 12...e5 (12...fg3 13.Ng5 h5 14.fg3-/+) 13.Ne4 Qe7 14.Neg5 h5 (14...Nh5 15.gf4 ef4 16.d4=+) 15.Qc3 (15.gf4!? ef4 16.d4=) 15...a5 16.b5 Bg4 (16...fg3!? 17.fg3 Nf5-/+) 17.gf4= Rf4 18.Bh3 Bh3 19.Nh3 Rg4 20.Rdg1 Nd7 (20...Ne6 21.Qb3 Kg7 22.Kb1=) 21.Nhg5 (21.Qc7!? Ra7 22.d4+/-) 21...d5 Black intends e4 (better 21...Nb6!?=) 22.Qc7+/- Qa3 23.Kd2?? (better 23.Kd1 Rb4 A) 24.Qd7 Rb1 25.Kd2 Qb4 26.c3 Qb2 27.Ke3 Nf5 28.Qf5 gf5 29.Ne5 Rg1 (29...Qc3?? 30.Ne4 Kf8 31.Nc3 Rg1 32.Rg1+-) 30.Rg1 Kg7-+; B) 24.e4 de4 25.Ne4 (25.Qd7?! ef3 26.Nf3 Rb1 27.Ke2 Rg1 28.Rg1 Qa2+/-; worse 25.de4 Ne6 26.Ne6 Qf3 27.Kc1 Qf7-+) 25...Rb1 26.Ke2 Rg1 27.Rg1+- (27.Ng1?! Nf8 28.Nf3 Nfe6 29.Nf6 Kf8 30.Nd7 Kg8 31.Qb7 Rd8+-)) 23...Qe7?? (23...Qb4!? 24.Kc1 Rg1 25.Rg1 Qb5 26.Ne5 Ne5 27.Qe5 Qd7=+) 24.b6?? (better 24.Qb7 Re8 25.Qd5 Ne6 26.Ne4+-) 24...e4 (better 24...Rb8!? 25.e4 Ne8=) 25.Rg4 hg4? (25...Qb4 26.Kc1 Qa3 27.Kd1 ef3 28.Qd7 d4+-) 26.Nd4?? (better 26.Qb7 e3 27.fe3+-) 26...Qg5-+ 27.e3 (27.Kd1 Qf6 28.Qd7 Qd4 29.c3 Qb6 30.Qd5 Qe6 31.de4-+) 27...Rf8?? (27...Qe7 28.Qb7 Rf8 29.Qd5 Qf7-+) 28.Qd7=+ Rf2 29.Kc3 Qe3 (better 29...g3!? 30.Qb7 g2=+) 30.Qd5= Rf7 31.Rf1 Nf5 32.Nf5 gf5 33.Rf5 Qe1 34.Kc4 (34.Kc4 Qb4). black_bishop_88 (2530) - cheese101 (2395), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.h5 Nh5 6.Bg7 Ng7 7.e3 f5 (7...e5 8.Nf3 d6 9.d4=+) 8.Nc3 e5 9.Nge2 (9.Bc4 Ne6=) 9...c6 10.d4 Qf6 (10...d6 11.Qd2=+) 11.de5= Qe5 12.Qd4 Qd4 13.Nd4 d5 14.Be2 White plans b5 14...Ne6 15.Ne6 Be6 16.b5 Nd7 17.Rb1 Rab8 18.Kd2 c5 19.a4 (19.Rh4 h5-/+) 19...b6 20.Bf3 (20.Rh4 Nf6-/+) 20...Ne5 21.Ke2 (21.Rh4 Rbd8-/+) 21...Nf3 (21...Rbd8 22.Nd1-+) 22.gf3 (better 22.Kf3!? Rbd8 23.Rbd1-/+) 22...d4-+ 23.ed4 (23.Nd1 Bc4 24.Kd2 Rbd8-+) 23...cd4 24.Nd1 Rbc8 25.Kd2 Rc4 26.Nb2 Rc3 27.Nd3 Rfc8 28.Rb2 Bd5 29.Re1 Bf3 (29...Kf7 30.a5 Kf6 31.Ra1-+) 30.Re7 Be4 (30...h5!? 31.Rd7 g5-+) 31.Ra7-/+ Bd3 (31...Ra3 32.Rb4 Rd8 33.Rc4=+) 32.cd3 h5 (better 32...Ra3-/+) 33.a5+/- ba5? (better 33...Re8 34.a6 g5+/-) 34.b6+- Rb8 35.b7 (35.b7 Rc7 36.Ra8 Rcb7 37.Rb8 Rb8 38.Rb8 Kf7 39.Rd8+-) 1-0. black_bishop_88 (2530) - Player321 (2575), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.h5 Nh5 6.Bg7 Ng7 7.Nf3 d5 8.Qc1 Nc6 (8...Bf5 9.d4 Nd7 10.e3=+) 9.d3 (9.d4 h5=) 9...h5 10.Qh6 (10.b5 Nb8=+) 10...Nf5-/+ 11.Qg5 e5 12.Qd8 Rd8 13.Nc3 Nfd4 14.Nd4 Nd4 15.Nd1?? (better 15.Kd2-/+) 15...Nc2-+ 16.Kd2 Na1 17.Kc3 a5 18.b5 (18.ba5 Ra5 19.Kb2 Rc5-+) 18...a4 19.Kb2 Nb3 20.Nc3 Be6 21.g3 c6 (21...d4!? 22.Ne4-+) 22.Bg2 Rac8 (22...cb5 23.Nb5 Ra6 24.Rh4-+) 23.b6 (23.Na4 cb5 24.Nb6 Rc6 25.Kb3 Rb6-+) 23...Nc5 24.e3 (24.Rh4 d4 25.Ne4 Ne4 26.Re4 Bd5-+) 24...Bf5 (better 24...Nd3!? 25.Kc2 Nf2 26.Re1-+) 25.d4 ed4 (25...Nd3 26.Ka2-+) 26.ed4 Ne6 (26...Nd3 27.Ka2 c5 28.Ka1 Nf2 29.Rf1-+) 27.Rd1 (27.Na4 Nd4 28.Nc5 Re8-+) 27...Bg4 (27...Ra8 28.Rd2-+) 28.Rd2 Ng5 (better 28...Ra8 29.f4-+) 29.Na4 Bf3 (29...Re8 30.Nc5-+) 30.Bf1 (30.Bf3 Nf3 31.Rd3 Ng5-+) 30...Ne4 31.Rc2 (31.Rd3 Ra8 32.Nc5 Nc5 33.dc5 Be4-+) 31...Re8 (31...Bd1 32.Nc5 Bc2 33.Nb7-+) 32.Bd3 (32.Nc3 g5-+) 32...Nd6 (better 32...Bd1 33.Be4 Re4 34.Nc5 Bc2 35.Kc2 Rd4 36.Nb7-+) 33.Nc5 Be4 34.a4 (34.Be4 Ne4 35.Nb7 Rb8-+) 34...Bd3 35.Nd3 Nc4 36.Kb3 Nb6 37.Nc5 Rc7 (37...Nc4 38.Kb4-+) 38.a5 Nc4 39.a6 (39.Ra2 g5-+) 39...ba6 40.Na6 (40.Kc3 a5-+) 40...Rb7 41.Kc3 Ra8 42.Nb4 Ra3 0-1. black_bishop_88 (2510) - Boyechko_O (2440), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.h4 h5

5.e3 d5 6.Nh3 Bh3 (6...0-0 7.Be2=+) 7.Rh3= Nbd7 8.d3 e5 9.Nd2 Qe7 10.c4 c6 11.cd5 cd5 12.Be2 0-0-0 (12...0-0 13.d4=) 13.Qb3 Kb8 14.Rc1 Rc8 15.Rc8 Rc8 16.Rg3 Qd6 17.Nf3 Ng4 18.Ng5 f6 19.Nf3 (19.Bg4? hg4 20.Rg4 fg5 21.Rg5 Qc6-+) 19...Bh6 20.Nd2 f5 21.Rh3 (21.Rf3 d4 22.Nc4 Qe7-/+) 21...Ndf6 (21...d4 22.Nf1=+) 22.Nf3= a6 (22...e4 23.Nd4=) 23.Ng5 d4 (23...Qc7 24.d4 Bg5 25.hg5=+) 24.Nf7 (24.ed4 ed4 25.Nf3+=) 24...Qe7? (better 24...Qd5 25.Qd5 Nd5 26.Nh6 Nh6=) 25.Nh6+/- Nh6 26.ed4 ed4 27.Kf1 (27.Bd4!? Nhg4 28.Bc5+/-) 27...Nhg4 (27...Re8 28.Qc2 Qd6 29.b5 ab5 30.Bc1=) 28.Qd1 (28.Bd4 Rc1 29.Bd1 Qd6=) 28...Qd6= 29.Bc1 (29.Bf3 Nh2 30.Kg1 Nfg4=) 29...Ka7 (29...Nd5 30.Bd2=+) 30.Bg5 (30.b5 Nd5 31.ba6 ba6=+) 30...Rc3 31.Kg1 (31.a4 Qb4 32.Rg3 Ra3 33.Bf6 Nf6 34.Rg6 Nd5-+) 31...Qc7 (better 31...Nd5 32.Bd2 Ra3-/+) 32.Rf3?? (better 32.b5=) 32...Qe5 (32...Qh2 33.Kf1 Qh1) 33.Bf4= (33.Bf4 Qe7 34.b5=+). black_bishop_88 (2510) - breiner24 (2285), CL Invitation. Qualif. G4 Team Battle, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.e4 d6 6.f3 e5 7.c4 0-0 8.Nc3 c5 9.b5 b6 (9...a6 10.Qb3=+) 10.g3=+ Be6 11.Bh3 (11.Qa4 a6=) 11...Qd7 (11...Bc4 12.d3 Be6 13.Be6 fe6 14.Qb3-/+) 12.Nd5 (12.Qb3!?=) 12...Nd5-/+ 13.ed5 Bh3 14.Nh3 f5 (14...a6 15.Qa4-/+) 15.Ng5= Bh6 (better 15...a6!?=) 16.Ne6+/- Rf6 (16...Rf7 17.g4 hg4 18.fg4+/-) 17.d3 (17.g4 fg4 18.fg4 hg4 19.Qg4 a6+-) 17...Qe7 (17...a6 18.g4 fg4 19.fg4+=) 18.Bc1 (18.g4!? fg4 19.fg4+/-) 18...Bc1+= 19.Qc1 Nd7 20.0-0 Nf8 21.Ng5 f4 22.Kg2 Nh7 23.Ne4 Rf7 24.a4 fg3 (24...a6 25.ba6 Ra6 26.gf4 Rf4 27.Qb2=+) 25.Kg3 (25.Qh6!? Rg7 26.Kg3=) 25...Rf4=+ 26.Rh1 Raf8 27.Qe3 g5 28.Rag1 (28.Kg2!?=+) 28...g4-/+ (28...Rf3?! 29.Qf3 Rf3 30.Kf3 g4 31.Kg3=) 29.fg4?? (better 29.Kg2-/+) 29...Rg4-+ 30.Kh2 Qh4 31.Qh3 Qh3 (better 31...Ng5 32.Qh4 Rh4 33.Kg2 Rg4 34.Ng3 Rf3-+) 32.Kh3=+ Rf3 33.Kh2 Rd3 34.Rg4 hg4 35.Nd6 Nf6 (35...Ng5 36.Nf5 Kh7 37.Nd6-/+) 36.Kg2 (36.Re1 Nd7=) 36...Ra3 (36...Rd4 37.Re1 e4=) 37.Rf1 (37.Rh6 Ra2 38.Kg3 Kg7 39.Nf5 Kf7 40.Nd6 Ke7 41.Nf5 Kf7 42.Nd6 Ke7 43.Nf5 Kf7=) 37...Kg7 (better 37...Nh5!? 38.Nf5 g3 39.Ne7 Kg7 40.Nf5 Kg6 41.Nh4 Kh6-+) 38.Rf5 e4 39.Re5 Ra4 40.Re7 Kg6 41.Re6 Kg5 42.Re5 (42.Ne4? Ne4 43.Re4 Kf5-+) 42...Kf4?? (better 42...Kh6=) 43.Rf5+- Ke3 44.Rf6 Ra2 45.Kg3 Kd4?? (45...Kd3 46.Kg4 Rg2 47.Kh5 e3+/-) 46.Rf4 (46.Kg4?! Rg2 47.Kh3 Rg1+-) 46...Ke5 47.Ne4 Ra3 48.Kg4 1-0. black_bishop_88 (2610) - KATRAN_The_Best (2210), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.Nf3 0-0 6.d3 d5 7.e3 Bg4 8.Be2 a5 9.Nbd2 ab4 10.ab4 Nc6 11.b5 Nb4 (11...Na5 12.0-0=) 12.Ra8 (12.Qb1!? d4 13.Bd4 Ra1 14.Ba1+/-) 12...Qa8= 13.c3 Qa2? (better 13...Na2=) 14.Qc1+- Nd7 (14...Bf3 15.gf3 Nh7 16.d4+- (16.cb4 Bb2 17.Qc2 Ra8-/+)) 15.d4 (15.cb4 Qb2 16.Qb2 Bb2-/+) 15...Nb6 (15...e5 16.cb4 e4 17.Ng1+-) 16.cb4 Na4 17.Bc3 c6 (17...Ra8 18.0-0+-) 18.bc6 bc6 19.0-0 Rb8 20.Re1 e6 21.Ne5 (21.Bd3!? Nc3 22.Qc3 Qa4+-) 21...Be5 22.Bg4?? (better 22.de5 Be2 23.Re2 Nc3 24.Qc3+-) 22...Bd6+= Attacks the isolani on b4 23.Bd1 (better 23.Be6!? fe6 24.Nf3+/-) 23...Nc3=+ 24.Qc3 Bb4 25.Qc6 Qd2 26.Rf1 Rf8 27.g3 Qc3 28.Qd7 Qd2 29.Bf3 Qc3 30.Rb1 Qd2 31.Qb7 Bc3 32.Qc7 (better 32.Kg2!?=) 32...Bd4!-/+ 33.ed4 Qd3 34.Rd1 Qf3 35.Re1 (35.Ra1 Qf6 36.Ra4 Kg7-/+) 35...Qg4 (35...Ra8 36.Qc2-+) 36.Qe5-/+ Qf5 37.Kg2 Qe5 38.Re5 (38.de5 f6-/+) 38...Rc8 39.Re3 Rc4 40.Rd3 Kg7 41.Kf3 Kf6 42.Kf4 (better 42.Ke2-+) 42...g5?? (better 42...e5 43.Ke3 Rd4 44.Rd4 ed4 45.Kd4 Ke6-+) 43.hg5= Kg6 44.f3 f6 45.gf6 Kf6 46.g4 hg4 47.fg4 Rd4 48.Rd4 e5 49.Ke3 ed4 50.Kd4 Kg5 51.Kd5 Kg4 ½-½. black_bishop_88 (2545) - Rybka89 (2515), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.Nf3 0-0 6.e3 d5 7.c4 (7.Be2 Bg4=) 7...dc4 (7...Be6 8.Ng5=+) 8.Bc4= Bg4 9.Qb3 Nc6 10.Nc3 Bf3 11.gf3 a5 (11...Ne5 12.d4 Nc4 13.Qc4=+) 12.f4 (12.d4!?=) 12...ab4=+ 13.ab4 Ra1 14.Ba1 Qa8 15.Bb2 (15.Ke2!?=+) 15...b5-/+ 16.Bd5 Nd5 17.Nd5 Rd8 (17...Bb2!? 18.Qb2 Rd8-/+) 18.Bg7 Kg7 19.0-0 (19.Qc3!? Kh7 20.e4 Nb4 21.Qb4 Rd5 22.ed5 Qa1 23.Ke2 Qh1 24.Qe7 Qd5 25.Qc7-/+) 19...Nd4!-+ 20.ed4 Qd5 21.Qe3 e6 22.Rc1 Qd4 23.Rc7 Qf6 (23...Qd2 24.Rb7 Qb4 25.Qe5 Kg8 26.Kg2-+) 24.Qe5 (24.Rc5 Rd4 (24...Qh4?! 25.Rb5 Qg4 26.Kh2-/+) 25.Qc3 Qf4-+) 24...Qe5 (24...Rd4!? 25.Rc5 Rb4 26.Qc3 Rf4 27.Rb5 Rf2 28.Qf6 Rf6 29.Rb4-+) 25.fe5 Rd2 26.Rc5 Rd5 27.f4 (27.Kf1 Kh6-+) 27...Rc5 (27...Rd4 28.Rb5 Rf4 29.Kg2 Rh4 30.Rb7-+) 28.bc5 Kf8 29.Kf2 Ke7 (better 29...Ke8!?-+) 30.Ke3-/+ Kd7 31.Kd3 Kc6 32.Kd4 b4 33.Kc4 b3! 34.Kb3 Kc5 35.Kc3 Kc6 (35...g5 36.fg5 Kd5-+) 36.Kc4 Kd7 37.Kc5 Ke7 38.Kd4 f6 (38...Kd8 39.Kc4-/+) 39.Ke4 (39.ef6 Kf6 40.Ke4 Ke7=) 39...fe5 (better 39...Kf7!?-/+) 40.Ke5= Kf7 41.Kd4 Kf6 42.Ke4 Ke7 43.Ke5 Kf7 44.Kd4 Kf6 45.Ke4 Ke7 46.Ke5 ½-½. black_bishop_88 (2625) - Goroshkov_Maksym (2325), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.Nf3 0-0 6.Ng5 Nc6 (6...a5 7.b5=+) 7.e3= d5 8.Be2 e6 (8...Qd6 9.Nc3=+) 9.f3 Nh7 (9...Ne7 10.e4=) 10.Bg7+= Kg7 (10...Ng5?? 11.Bf8 (11.hg5?! Kg7 12.f4 e5=) 11...Kf8 12.hg5 Qg5 13.0-0+-) 11.Nh7 Kh7 12.g4 hg4 (12...e5 13.gh5 gh5 14.b5=) 13.fg4+= f5 14.g5 f4 15.h5 (15.b5 Ne7 16.h5 Qd6 17.hg6 Kg8=) 15...fe3 (better 15...Qg5!? 16.hg6 Kg8-/+) 16.hg6= Kg6?? (16...Kg8 17.Rh5=) 17.de3?? (better 17.Bd3 Kg5 18.Qh5 Kf6 19.Qh4 Ke5 20.Qg3 Rf4 21.de3+-) 17...Rh8 (17...Qg5!? 18.Qd2 Kg7=+) 18.Qd3 Kg7 (18...Kg5 19.Rg1 Kf6 20.b5=) 19.Rh8 Qh8 20.Nc3 (20.Kd2!?+=) 20...Qh1= 21.Bf1 Qh4 22.Kd2 Qf2 (better 22...a5!? 23.b5 Ne5=+) 23.Be2+/- Ne5 24.Qb5?? (better 24.Qd4 Qg3 25.Nb5+-) 24...c6 (better 24...Nc4 25.Qc4 dc4-+) 25.Qc5? (better 25.Nd1 Qg2 26.Qc5 Nc4 27.Ke1 Qg1 28.Bf1 Qg3 29.Nf2 Qe3 30.Qe3 Ne3 31.Kd2-/+) 25...Nc4-+ 26.Kc1 Qe1 27.Nd1 (27.Bd1 Qd2 (27...Qc3?! 28.Qe7 Kg6 29.Qe8 Kh7 30.Qf7 Qg7 31.Qh5 Kg8 32.Qe8 Qf8 33.Qg6 Kh8 34.Qh5 Kg7 35.Qh6 Kf7 36.Qf6 Kg8 37.Qg6 Qg7 38.Qe8 Qf8 39.Qg6=) 28.Kb1 Qc3 29.Qe7 Kg6 30.Qe8 Kh7 (30...Kg5?? 31.Qh5 Kf6 32.Qh8 Kf7 33.Qc3+-) 31.Qf7 Qg7 32.Qh5 Kg8 33.Qe8 Qf8 34.Qg6 Kh8 35.Qh5 Kg7 36.Qh6 Kf7 37.Qf6 Kg8 38.Qg6 Qg7 39.Qe8 Qf8 40.Qg6=) 27...Qd2 (better 27...Qe2 28.Qe7 Kg6 29.Qf6 Kh5 30.Qf7 Kg4 31.Qf4 Kh3-+) 28.Kb1= Qe2 29.Qe7 Kg6 30.Qf6 Kh7 31.Qh6?? (better 31.Qe7 Kg8 32.Qe8 Kg7 33.Qe7 Kh8 34.Qf8 Kh7 35.Qf7 Kh8 36.Qe8 Kg7 37.Qe7=) 31...Kg8-+ 32.Qg6? (32.Nb2 Qe3 33.Nc4 dc4 34.Qg6 Kf8 35.Qf6 Ke8 36.g6+-) 32...Kf8 33.Qf6 Ke8 34.Qh8 Kd7 35.Qg7 Kd6 36.Qf8 Kc7 37.Qe7 (37.Nb2 Qe3 38.Nc4 dc4-+) 37...Kb8 (better 37...Bd7 38.Nb2 Ne3-+) 38.Nc3 (38.Nb2 Nd2 39.Ka2-+) 38...Qe1 39.Ka2 Qc3 40.Rb1 (40.Qc7 Kc7 41.Rg1 Qb2) 40...Qc2 (40...Qa3) 41.Ka1 Qc3 42.Ka2 Qa3 0-1. black_bishop_88 (2540) - andrii_1 (2025), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.Bf6 Bf6 6.c3 d5 7.d4 c6 8.e3 Bg4 (8...e5 9.de5 Be5 10.Be2=+) 9.Be2 Be2 10.Qe2 Nd7 11.Nf3 (11.e4 de4 12.Nd2 0-0=) 11...e6 (11...e5 12.e4 0-0 13.0-0=+) 12.Nbd2 a5 13.g3 ab4 14.cb4 Nb6 (14...0-0 15.0-0=+) 15.0-0 (15.Qd3 0-0=) 15...0-0 (15...g5 16.hg5 Bg5 17.b5-/+) 16.Rfc1= Na4 17.Nb3 Be7 18.Nc5 Nc5 19.bc5 Ra4 20.Rcb1 Qa8 21.Qc2 Qa6 (21...Rb8!?+=) 22.Ne5+/- Ra8? (22...Ra5 23.Rb6 Qa8 24.Rab1+-) 23.Ng6 (better 23.Rb6 Qa7 24.Rab1+-) 23...fg6+/- 24.Qg6 Kf8 25.Qe6 Ra3? (better 25...Qa7+/-) 26.Ra3+- Qa3 27.Rb7 Re8 28.Qh6 Kf7 (28...Kg8 29.Qc6 Qa1 30.Kh2 Rf8 31.Qd5 Kh8 32.Qh5 Kg8 33.Qd5 Kh8 34.Re7 Rf2 35.Kh3 Qf1 36.Kg4 Rf4 37.Kg5 Rg4 38.Kh5 Rg5 39.Qg5 Qf7 40.Qg6 Qf3 41.Kh6 Qe3 42.Qg5 Qe6 43.Kh5 Qf7 44.Qg6 Qf3 45.Qg4 Qf7 46.Kh6 Qe6 47.Kg5 Qf6 48.Kf6=) 29.Qh5 Kf8 30.Qh8 Kf7 31.Qh7 Kf8 32.Qf5 (32.h5 Qc1 33.Kg2 Qc3 34.h6 Qd4 35.ed4 Rb8 36.Rb8 Bd8 37.Rd8) 32...Kg7 33.h5 Qc1 (33...Qa8 34.Re7! Re7 35.Qg5 Kf7 36.Qg6 Kf8 37.Qf6 Kg8 38.Qe7 Qa4+-) 34.Kg2 Qd1 35.Qg6 Kf8 36.Rd7 (36.Rd7 Qb3 37.h6 Rb8 38.Qg7 Ke8 39.Qe7; 36.h6 Qg4 37.Qg4 Ra8 38.Qg7 Ke8 39.Qe7) 1-0. black_bishop_88 (2480) - ManItIsMate (2500), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.h4 Nh5

5.Bg7 Ng7 6.Qc1 h5 7.Qb2 0-0 8.Nf3 d5 9.Ng5 (9.d4 a5=) 9...Bg4 10.e3 c5 (10...e5!?=+) 11.f3 (11.bc5 Nd7+/-) 11...Bf5 12.g4 (12.bc5 Qc7+=) 12...hg4= 13.fg4 Bg4 14.Be2 (better 14.bc5!? Qd7 15.Nc3=) 14...Be2 15.Ke2 cb4 16.ab4 Nc6 17.Nc3 d4 18.Nce4 de3 19.de3 Qb6 20.b5 Nh5 (20...Nf5 21.Ra3 Rac8 22.h5 Ncd4 23.ed4 Rc2 24.Qc2 Nd4 25.Kd1 Nc2 26.Kc2 Rc8 27.Rc3 Rc3 28.Nc3 Qf2 29.Kb3-+) 21.Rag1 (21.Rhf1 Rac8=+) 21...Rad8 (21...a6 22.Ng3 Ng3 23.Rg3 Qb5 24.Qb5 ab5 25.h5-+) 22.Ng3 Ng3 23.Rg3 Qa5 (better 23...Qc7 24.Ne4 Ne5-+) 24.bc6?? (better 24.c4 Qc7 25.Ne6 fe6 26.Rg6 Kf7 27.bc6 Kg6 28.Rg1 Kh5 29.Qg7 Qh2 30.Rg2 Rf2 31.Rf2 Rd2 32.Kd2 Qf2 33.Kd3 Qf1 34.Kd2 Qf2 35.Kd3 Qf1 36.Kd2 Qf2=) 24...Rd2 25.Kf1 Rfd8 (25...Qa6 26.Kg1 Qe2 27.Qh8 Kh8 28.Nf7 Rf7 29.cb7 Rf1) 26.Nf3 Qa6 27.Kg1 Qe2 28.Nd2 (28.Rg6 fg6 29.Qb3 Kf8 30.Qg8 Kg8 31.Nd2 Rd2 32.cb7 Qd1) 28...Rd2 29.Rg6 (29.Qh8 Kh8 30.cb7 Qd1) 29...fg6 30.Qb3 Kf8 31.Qf7 (31.Qg8 Kg8 32.cb7 Qd1) 31...Kf7 32.Rh2 (32.cb7 Qd1) 32…Qh2 (32...Qh2 33.Kf1 Qf2; 32...Qd1) 0-1. black_bishop_88 (2520) - supertraper (2400), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

5.Bg7 Ng7 6.e3 h5 7.Nf3 0-0 8.c4 d6 9.Nc3 e5 10.Be2 c6 11.Ng5 (11.d4 Qe7+=) 11...f6 12.Nge4 d5 (12...f5!? 13.Ng5 Ne6=) 13.cd5+/- cd5 14.Nc5 (14.Qb3!? Be6 15.Nc5+/-) 14...b6 15.Nb3 Be6 16.d4 e4 17.Nd2 f5 18.g3 Nd7 19.Rc1 Nf6 20.Ba6 Rf7 (20...Bc8 21.Bb5=) 21.Ne2 (21.0-0 Rc7+=) 21...Ng4 (21...Bc8!? 22.Bb5 Ne6=) 22.Nf4+/- Qd6 23.0-0 Bd7 (23...Kh7 24.Qc2+/-) 24.Qc2 (better 24.Bb7!? Ba4 25.Qa4 Rb7 26.Qc6 Qc6 27.Rc6+-) 24...Ne6+= 25.Qc3 (25.Ne6!? Qe6 26.Qb3+=) 25...Nf4= 26.ef4 (26.gf4? Qf6 27.Rfe1 Qh4-+) 26...Re8 27.Qb3 (27.Rfe1 b5 28.Bb7 Rb8=) 27...e3 28.Nf3 (better 28.fe3!? Rfe7 29.Bb7 Ne3 30.Rfe1=) 28...ef2-/+ (worse 28...Nf2 29.Ne5 Rfe7 30.Qe3+=) 29.Rf2 (29.Kh1 Re3 30.Rc3 Ba4 31.Rc8 Kg7 32.Qa4 Rf3-+) 29...Re3 30.Qc2 (30.Qa2 Nf2 31.Kf2 Rfe7-/+) 30...Rfe7 (30...Nf2 31.Qf2 Ra3 32.b5-+) 31.Rff1 (31.Bd3 Be8 32.Rff1=+) 31...Re2?? (better 31...Ra3 32.Ra1 Ne3-+) 32.Be2+- Ne3 33.Qd2 (better 33.Qc7!? Qc7 34.Rc7 Nf1 35.Bf1 Kf8 36.Ra7 Be6 37.Ra8 Kg7+-) 33...Nf1 34.Bf1 Qe6 (34...a5 35.Bg2+-) 35.Ne5 Be8 (35...Kg7 36.Rc7+-) 36.Bd3 (better 36.Qa2!? Kg7+-) 36...Qd6 37.Re1 Kg7 38.Nf3 Re1 39.Qe1 Qd7 (39...Kf8 40.Qe5 Qe5 41.fe5+-) 40.Qe5 Kf7 (40...Kg8+-) 41.Ng5 Kf8 42.Qf6 (better 42.Bb5! Qc8 43.Qf6 Kg8+-) 42...Kg8 43.Ne6 (43.Bb5 Qg7 44.Qd8 Kh8+-) 43...Qf7 44.Qf7 (44.Qe5 Qb7+-) 44...Kf7 45.Nc7 Kf6 (45...Ba4 46.Nd5 Bb3 47.Ne3+-) 46.Nd5 (better 46.Ne8 Ke7 47.Nc7 Kd7 48.Nd5 Kd6+-) 46...Ke6 47.Ne3 (47.Nc7 Ke7+-) 47...Kd6 (47...b5 48.d5 Kd6 49.Kf2+-) 48.Bc4 Bb5 (48...b5 49.Bd5+-) 49.g4 (better 49.Bb5 Ke7+-) 49...Bd7 (49...Bc4 50.Nc4 Kd5 51.Ne3 Kd4 52.Nf5 Ke4+-) 50.gh5 gh5 51.Bd3 (better 51.Bf7 Ke7 52.Bh5+-) 51...Bb5 (51...Be6 52.b5+-) 52.Nf5 (better 52.Bb5 a5+-) 52...Ke6 53.Bb5 Kf5 54.Be2 (54.d5 Kf6 55.d6 a6+-) 54...Kf4 55.Bh5 Ke4 56.Be2 (56.Be8 Kd4 57.h5 Ke5+-) 56...Kd4 57.h5 Ke5 58.h6 Kf6 59.h7 Kg7 60.h8Q! Kh8. black_bishop_88 (2475) - RaschnRukk (2475), lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7)

3.a4 Bg7

4.Ra2 0-0 5.Nc3 d6 6.Qa1? (better is 6.Nf3=+) 6...Be6-+ 7.e3 Ba2 8.Na2 Nbd7 9.g4 c5 10.g5 Nh5 11.h4 Bb2 12.Qb2 cb4 13.Nb4 a5 14.Nd5 e6 15.Nc3 Qc7 16.Be2 Qc6 17.Bf3 d5 18.Bh5 gh5 19.Rh3 Ne5 20.Nce2 b5?? 21.Qe5+= b4? 22.a4?? Qc2=+ 23.Nf4 Rac8?? 24.Nh5+/- Qg6 25.Nf6 Qf6?? 26.gf6 Rc1 27.Ke2 Rg1 28.Rg3 Rg3 29.fg3 h6+- 30.g4 Kh7 31.g5 Rg8 32.Kd3 hg5 33.hg5 Kg6 34.e4 Rd8 35.Ke3 de4 36.Ke4 Rd5 37.Qf4 Rg5 38.d3 Kh5?? 39.Qh2 Kg6 40.d4 Kf6?? 41.Qh6 Rg6 42.Qh4 Kg7 43.Qd8 Rg4 44.Kd3 Rg3 45.Kc2 Rc3 46.Kb2 Rd3 47.Qa5 f6 48.Qc5 b3 49.a5 Rd2 50.Kb3 Rd1 51.a6 Ra1 52.a7 f5 53.Qc7 Kg6 54.Kc4 Rc1 55.Kd3 Rc7 56.d5 Ra7-+ 57.de6 Kf6 58.Kd4. xtom – maras1667, kurnik, 2011.

4.Ra2 c6 5.Ra3 Qc7 (5...d5 6.Nf3=+) 6.Rg3 (6.Nf3!?=) 6...0-0=+ 7.Na3 d6 8.Qa1 Nbd7 9.Nf3 (9.a5 e5-/+) 9...Nh5 (9...a5 10.ba5 Nc5 11.Nc4-/+) 10.Rg5 (better is 10.Bg7!? Ng7 11.Nc4=+) 10...Bb2 11.Qb2 Ndf6 12.h4 (12.Qb3 e5-/+) 12...Bg4 (12...h6 13.Ra5-+) 13.e3 Bf3 14.gf3=+ h6 15.Rg2 c5 16.b5 b6 17.Rhg1 Kh7 18.Be2 d5 19.f4 Rae8 20.f5+/- d4? 21.fg6+- fg6 22.Rg6 Rg8?? 23.Bd3+- Rg6 24.Rg6 c4 25.Bf5 c3?? 26.Qb3 cd2 27.Kd2 Qc8 28.Qf7 Kh8 29.Rh6 Nh7 30.Bc8 de3 31.fe3 N5f6 32.Bf5 Rf8 33.Qf8 Ng8 34.Nc4 e6 35.Bd3 e5 (35...a6 36.Rh7#) 1–0. xtom – selua30, kurnik, 2011.

4.Ra3 a6 5.h4 d6 6.Rg3 Nc6 7.Na3 (7.b5!? ab5 8.ab5=+) 7...Nb4-+ 8.Qa1 Be6 (8...Qd7 9.h5 e5 10.c3-+) 9.h5-/+ Qd7 (9...Bd7-/+) 10.hg6? (better is 10.h6!? Bf8 11.Bf6 ef6 12.Qf6-/+) 10...hg6-+ 11.Rh8 Bh8 12.e3 0-0-0 13.Bc4?? Bc4 14.c3 Nd3 15.Kd1 Nf2 16.Ke1 Nd3 17.Kd1 Nb2 18.Qb2 Qa4 19.Kc1 Nd5 20.Rg4 Qc6 21.Rc4 Qb6 22.Qb6 Nb6 23.Rf4 Bf6 24.Nf3 Rh8 25.g4 Nd5 26.Rc4 Rh1 27.Kc2 Rf1 28.g5 Rf3 29.gf6 Rf6 30.Rh4 Kd7 31.Nc4 Rf2 32.Rd4 c6 33.e4 e5 34.Rd3 f5 35.ed5 c5?? 36.Rh3+= b5 37.Rh7 Kd8? 38.Nb6?? g5= 39.Rd7 Ke8 40.Rd6 g4 41.Re6+/- Kf7 42.Re5 g3? 43.Re1 g2 44.Rg1 f4 45.d6? f3 46.d7 Rf1?? 47.d8Q+- Rg1 48.Qd5 Kg6 49.Qf3 Ra1?? 50.Qf6 Kh5 51.Qg5 (51.Qg5 Kg5 52.Kb2 g1Q 53.c4 Qc1 54.Kb3 Ra3#) 0–1. xtom – slavisko (1630), kurnik, 2011.

4.Ra3 e6 5.h4 h5 6.Nf3 d6 7.Nc3 e5 8.Qa1 b6 9.e3 Bb7 10.a5 Nbd7 11.ab6 ab6 12.Ra8 Ba8 13.Bc4 0-0 14.Ng5 d5 15.Nd5? (better is 15.Bd3!?=+) 15...Nd5 16.e4 f6?? (better is 16...Nb4 17.Qa4 c5-+) 17.Ne6+- Qe7 18.Nf8 Qf8 19.ed5 Bb7 20.Qa7 Qc8 21.Ba3 Kh7 22.0-0 f5 23.Re1 e4 24.d3 Ne5 25.Bb2 Nc4 26.Bg7 Kg7 27.dc4 c5 28.bc5 bc5 29.Rb1 (29.Rb1 Kh6 30.Rb7+-) 1–0. xtom – omas, kurnik, 2011.

4.b5 (--> 3.b5 Bg7 4.a4).

4.d3 Nc6 5.b5 Na5 6.Qd2 b6 7.Bc3 0-0 8.Ba5 ba5 9.Qa5 Bb7 10.Nc3? (better is 10.e3=) 10...Nd5-+ 11.Ra3? (better is 11.Nd5 Ba1 12.e4-+) 11...Nc3 12.Rc3 Bc3 13.Qc3-/+ e6 14.Nf3 Bd5 15.e4=+ Bb7 16.h4 d5 17.Nd2 d4 18.Qb4 c6 19.Nb3 c5 20.Qc5+= Rc8 21.Qd4 Qe7 22.c4 Rfd8 23.Qe3 Qb4 24.Nd2 Qa4 25.Be2 a6 26.0-0 ab5=+ 27.h5 bc4 28.Nc4 Qb5 29.hg6 fg6 30.Qh3 Rf8?? 31.Qe6+- Kh8 32.Nd6 Qc6? 33.Nf7 Rf7? 34.Qf7+- Rg8 35.Bg4 h5 36.Be6 Rg7 37.Qf8 Kh7 38.Qe8?? Qc7 39.Re1 Re7? 40.Qg8 Kh6 41.Ra1 Rg7 42.Qh8 Kg5 43.f4! Kf4 44.Qf8 Kg5 45.Rf1 Re7?? 46.Rf4 Qf4 (46...Qf4 47.Qe7 Kh6+-) 1–0. erisonpassos – premium2011, kurnik, 2011.

4.Nf3 0-0 5.g3 d6 6.Bg2 Nbd7 (6...e5 7.0-0=) 7.0-0 c6 8.d3 e5 9.e4 Nb6 (9...Qc7 10.Qe2=) 10.a5 Bg4? (better is 10...Nbd7=) 11.ab6+- ab6 12.Nbd2 Re8 13.Ra8 Qa8 14.Qa1 Nd7 15.Nc4 Qb8 16.Qa3 b5 17.Ne3 Be6 18.Ng5 Bh6 19.Ne6 Re6 20.Ng4 Bg7 21.f4 ef4 22.Bg7 Kg7 23.gf4 Nb6 24.f5 gf5 25.Rf5 Rg6 26.Qc3 Kg8 27.Nf6 Kf8 28.Nh7 Ke8 29.Qh8 (29.Qh8 Ke7 30.Qb8+-) 1–0. nerveraking (2410) – nickbarletta (2040), net–chess.com, 2004.

4.Nf3 c5 5.b5 (5.bc5 Qa5+=) 5...b6 6.a5 ba5 7.c4 (7.Bc3 d5=) 7...Bb7 (7...a6 8.Qa4 ab5 9.cb5-/+) 8.Bc3 0-0 9.e3 d5 10.Ba5 Qd6 11.Be2 Nbd7 12.0-0 (12.cd5 Rfb8=) 12...Ne4 (12...Ng4 13.d4 cd4 14.c5 Nc5 15.ed4-/+) 13.Nc3 Nc3 (better is 13...dc4 14.Bc4 Nb6=) 14.Bc3?? (better is 14.dc3 a6 15.b6=) 14...d4-+ 15.ed4 cd4 16.Bb2 d3 17.Bg7 Kg7 18.Qe1 de2 19.Qe2 Bf3 20.Qf3 Ne5 21.Qc3-/+ f6 22.d4 Ng4 23.g3 h5 24.h3 Nh6 25.c5 Qd7 26.c6 Qh3-+ 27.Qf3 Ng4 28.Qg2-/+ Qg2 29.Kg2 Rfd8 30.Rfe1 Kf7 31.Reb1 Nh6 32.Rb4 Nf5-+ 33.d5 Rd5?? 34.b6= Rc5 35.c7 Nd6 36.b7 Nb7! 37.Rb7 Rc8 38.Raa7 Ke6 39.Kf3 Kd7 40.g4 Rc3 41.Kf4 Rc4 42.Kf3 hg4 43.Kg3 R8c7 44.Rc7 Rc7 45.Ra4 f5 46.Rd4 Ke6 47.Rb4 Kf6 48.Rb6 e6 49.Rd6 g5 50.Rd8 Rc3 51.Kg2 Ke5 52.Ra8 Kf6 53.Rf8?? Ke5 54.Ra8 f4 55.Ra5 Kf6 56.Rb5 g3 57.fg3 Rg3 58.Kh2 e5 59.Rb1 e4 60.Re1 e3 61.Ra1 Kf5 62.Ra5 Kg4 63.Re5 Rf3 64.Kg2 Rf2 65.Kg1 Rb2 66.Kh1 Kh3 67.Kg1 f3 68.Re3-+ g4 69.Re8 Kg3 70.Rb8 Rb8 71.Kf1 Rb1# 0–1. orangutanb4 (1955) – kingsalmon (1825), kurnik, 2011.

4.g3 d5 5.Bg2 c6 6.b5 cb5 7.ab5 0-0 8.Nc3 Ne4 9.Ne4 de4 (better is 9...Bb2 10.Rb1 Bg7+=) 10.Bg7+/- Kg7 11.Be4 Qd4 12.Bd3 Nd7 13.Nf3 Qd5 14.c4 Qe6 15.Qc2 Nc5 16.Qc3 Qf6 17.Qf6 ef6 18.0-0 (better is 18.Bc2!?+-) 18...Nd3+= 19.ed3 b6 (19...Rd8 20.Rfe1+=) 20.Nd4 (20.d4 Rd8 21.Kg2 g5+-) 20...Bb7 (20...Rd8 21.Nc2 Rd3 22.Rfd1+=) 21.Nc6 (better is 21.Nb3!?+/-) 21...Bc6+= 22.bc6 Rfc8 23.Rfb1 Rc6 24.Rb4 a5 25.Rb5 Re8 26.Kf1 h5 27.Rab1 Rb8 28.c5!+/- f5 29.d4 g5 30.d5 Rcc8 31.c6 Kf8? 32.Rb6 Rb6 33.Rb6 Ke7 34.Ra6 Kd6 35.Ra5 g4 36.Ke2 Rb8 37.Ke3 Rb3 38.d3 f6 39.Ra4 Kd5 40.c7 Rc3 41.Rc4! Rc4 42.dc4 Kc4 43.c8Q Kd5 44.Qf5 Kd6 45.Qf6 Kc5 46.Qg5 Kc4 47.Qh5 Kc3 48.Qg4 Kc2+- 49.h4 Kc3 50.h5 Kb2 51.h6 Ka2 52.h7 Kb2 53.h8Q Kc2 54.Qc4 Kd1 55.Qhd4 Ke1 56.Qc1# (56.Qe2#) 1–0. wk1234 – szulek7, kurnik, 2012.

4.g3 d6 5.Bg2 c6 6.Nf3 0-0 7.b5 Bd7 8.Nd4 cb5?? (8...e5 9.Nb3 Qb6+= (worse is 9...cb5 10.Bb7 ba4 11.Ba8+/-)) 9.Bb7+- (9.ab5?! Qb6+=; 9.Nb5 Bc6 10.0-0 Bg2 11.Kg2 Nc6+=) 9...Nc6?? (better is 9...ba4 10.Ba8 e5+-) 10.Nc6 (worse is 10.Bc6 Rb8 11.Bd7 Qd7 12.Nb5 a6 13.Bf6 Bf6+-) 10...Bc6 11.Bc6 Rb8 12.ab5 Qb6 13.c4 Rfc8 14.Na3 Rc6 15.bc6?? Qb2?? 16.Nb5 Ne4 17.Ra7 Bh6 18.e3 Nc5 19.c7 Rc8 20.0-0 Ne6 21.Qa1 Qd2 22.Ra8 Ra8 23.Qa8 Kg7 24.c8Q Be3 25.fe3 Qe3 26.Rf2 Qe1 27.Kg2 Qe4 28.Kf1 Qd3 29.Re2 1–0. wk1234 – anagnosk, kurnik, 2011.

4.Ra3 0-0

5.Rg3 b6 6.Na3 Bb7 7.Qa1 Nc6 8.h4 Nb4 9.h5 Nbd5 10.hg6 hg6 11.Nf3 d6 12.e3 e5 13.Bc4 Nb4 14.Rg6 d5 15.Rg7 Kg7 16.Be2 Rh8 17.Rg1 Nc6 18.Ne5 Ne5 19.Be5 Re8 20.Bb2 c5 21.g4 d4 22.g5 Ne4 23.ed4 Ng5 24.dc5 Kg8 25.Bf6 Re2 26.Ke2 Bf3 27.Kf1 Qd2 28.Rg5 Qg5 29.Bg5 Re8 30.Qc3 Be2 31.Kg2 Re6 32.Nc4 Rg6 33.f4 bc5 34.Ne5 Re6 35.Qg3 Bh5 36.Be7 Bg6 37.Qg5 1–0. xtom – mapaj, kurnik, 2012.

5.Rc3 a5 6.b5 c6 7.bc6 Nc6 8.h4 h5 9.e3 d5 10.Be2 d4 11.Rd3 e5 12.Nf3? (better is 12.Rb3-/+) 12...e4-+ 13.Nd4?! (13.Rb3 ef3 14.Bf3-+) 13...ed3 14.cd3 Re8 15.Qb3 Nd4 16.Bd4 Qc7 17.0-0 Bd7 18.Nc3 Bc6 19.Rc1 Qd7 20.Nb5 Bb5 21.ab5 a4 22.Qa2 Qe6 23.Qa3 Qb3 24.Qd6 a3 25.Bf6 Bf6 26.Qf6-/+ a2 27.Bf3? Rec8 28.Ra1 Ra7?? 29.Qd4 Ra4 30.Qd7?? Rf8 31.Bd5 Qb1 32.Rb1 ab1Q 33.Kh2 Ra1 34.Be4 Qb4 35.Qd5 Qe7 36.g3 Qe6 37.Qg5 Rc8 38.Kg2 Rcc1 39.Kf3 Kg7 40.d4 Qf6 (40...Qf6 41.Qf6 Kf6 42.Bb7 Rc2-+) 0–1. xtom – ukopol (1705), kurnik, 2011.

5.Rc3 b6 6.h4 Bb7 7.h5 Nh5 8.Rh5? (8.Rb3 Bb2 9.Rb2 a5-/+) 8...gh5 (better is 8...Bc3!? 9.Nc3 gh5-+) 9.Rg3 f6 10.e3 h4 11.Rh3 Be4 12.Qg4 Bg6 13.Bd3 f5 14.Qh4?? (better is 14.Qf3 Nc6 15.Bc4 Kh8 16.Bg7 Kg7 17.Bd5 Nb4 18.Ba8 Qa8 19.Na3-/+) 14...Bb2-+ 15.g4 e6 16.c3 Qh4 17.Rh4 a5 18.b5 c6 19.Nf3 fg4 20.Bg6 hg6 21.Ne5 Kg7 22.Rg4 Rf6 23.Kd1 d6 24.Nc4 Ba1 25.f4 d5 26.Nb6 Ra7 27.Kc2 cb5 28.ab5 Rb7 29.Nc8 Rb5 30.Nd6 Rb2 31.Kc1 Rf8 32.Na3 Rh8 33.Rg1 Ra2 34.Nc2 Bb2 35.Kb1 Ra4 36.Kb2 Nd7 37.Nd4 Nc5 38.Kb1? Rb8 39.N6b5 Ne4 40.Ne6 Kf6 41.Ned4 Rd4! 42.ed4 Rb5 43.Kc2 a4 44.d3 Nd6 45.c4 dc4 46.dc4 Nc4 47.Kc3 Nd6 48.Re1 Rb3 49.Kc2 Nb5 50.d5 Nd4 51.Kc1 a3 52.Re6 Ne6 53.de6 Ke6 54.Kc2 Kf5 55.Kb3 Kf4 56.Ka3 g5 57.Kb2 Kf3 58.Kc3 Kf2 59.Kc4 g4 60.Kd4 g3 61.Ke4 g2 62.Ke5 g1Q 63.Ke6 Qg2 64.Ke7 Qg3 65.Ke8 Kf3 66.Kf8 Ke4 67.Ke8 Ke5 68.Kf8 Qg5 69.Ke8 Qg6 70.Kd8 Ke6 (70...Ke6 71.Kc7 Kd5 72.Kb7 Qc6 73.Kb8 Qd7 74.Ka8 Kc6 75.Kb8 Qb7; 70...Qf7 71.Kc8 Kd6 72.Kb8 Kc6 73.Kc8 Qc7) 0–1. xtom – vsmanu (1740), kurnik, 2011.

5.Rc3 c6 6.h4 Qb6 7.b5? (better is 7.Rb3=+) 7...Ne4-+ (< 7...cb5 8.Rb3-/+) 8.e3 Nc3 9.Nc3 cb5 10.Bb5 a6 11.Nd5 Qc5 12.Bg7 Kg7 13.Qa1 f6 14.h5 Qd5 15.hg6 hg6 16.Bd3 Qg2 17.Rh4 Qg1 18.Bf1 d6 19.Qd4 Nc6 20.Qe4 Bf5 21.Qf3 Qg5 22.Rf4 e5 23.Rc4 Rad8 24.Bd3 d5 25.Bf5 dc4 26.Be6 e4! 27.Qe2 Ne5 28.Bc4 Nf3 29.Kd1 Rd2 30.Qd2 Nd2 31.Kd2 Rd8 32.Kc3 Qc5 33.Kb3 b5 34.ab5 ab5 35.Be2 Rd2 36.Bg4 Qc2 37.Kb4 Qc4 (37...Qc4 38.Ka5 Rd6 39.Bd1 b4 40.Bb3 Ra6) 0–1. xtom – trus1 (1885), kurnik, 2011.

5.Rc3 c6 6.h4 h5 7.e3 d5 8.Be2 Bg4 9.f3 Bd7 10.Nh3 e5 11.Nf2 e4 12.f4 Na6 13.b5 cb5 14.ab5 Nc7 15.Na3 Rc8 16.Qa1 Ne6 17.Rc8 Bc8 18.Rg1 Ne8 19.g4 Qh4 20.gh5 Qh5?? 21.Bh5+- 1–0. xtom – ita1979 (1700), kurnik, 2011.

5.Rc3 Nc6 6.b5 Na5 7.h4 (7.Qc1 d6-/+) 7...c6 8.h5 Nh5 9.Rh5? (9.d4 Nf6-/+) 9...gh5 (better is 9...Bc3!? 10.Bc3 gh5-+) 10.Rg3-/+ f6 11.Na3 Kh8 12.e3 Rg8 13.Qh5 d5?? 14.Bd3+- f5 15.Bg7 Rg7=+ 16.Rh3 e6 17.Nf3 Qg8 18.Ne5 c5 19.Be2 b6 20.g4 Nb7 21.f4 fg4 22.Bg4 Nd6 23.Qh6 a6?? 24.c4?? dc4?? 25.Nac4?? Nc4-+ 26.Nc4 ab5 27.Ne5-/+ ba4?? 28.Be6?? Qe6 29.Qe6-+ Be6 30.f5 Bf5 31.e4 Bg4 32.Rg3 h5 33.Kf2 a3 34.Ke3 a2 35.Kf4 a1Q 36.Ng4 Rg4 37.Rg4-+ hg4 38.Kg4 Rf8 (38...Rf8 39.Kg5 Qf6 40.Kh5 Rg8 41.d4 Qg5; 38...Qf1 39.Kh4 Rg8 40.d4 Qh1) 0–1. xtom (1650) – piotrwlodawa (1660), kurnik, 2011.

5.Rc3 d6 6.h4 b6 7.Rg3 Bb7 8.Na3 (8.Bf6 Bf6 9.h5 g5=+) 8...e5 9.Qa1 Ne4 10.Rg4? (better is 10.Rgh3-/+) 10...f5-+ 11.Rg5 Ng5 12.hg5 Qg5 13.Nf3 Qe7 14.d4 Nd7 15.Nb5 c5 16.de5 Ne5 17.Rh3 a6 18.Nc3 Nf3 19.gf3 cb4 20.Nd1 d5 21.Rg3 Rac8 22.Ne3 f4 23.Nf5 Rf5 24.Rg4 Rc2 25.Bg7 Qg7 26.Qd1 Qc3 (26...Qc3 27.Qd2 Qd2#) 0–1. xtom – kukix25 (1605), kurnik, 2012.

5.Rc3 d6 6.h4 Nd5 7.h5? (better is 7.Rb3!?=+) 7...Nc3-+ 8.Nc3 e5 9.h6 Bf6 10.Qa1 Nc6 11.b5 Nd4 12.Kd1 Bf5 13.e3?! Nc2 14.Qa2 Nb4 15.Qa1 a5 16.Nf3 c5 17.Bc4 d5 18.Be2 d4 19.Na2 d3 20.Nb4 de2 21.Ke2 ab4 22.Ne5 Be5 23.Be5 Qd3 24.Ke1 Qb1 25.Qb1 Bb1 26.Ke2 Bc2 27.Rc1 b3 28.b6 Ra4 29.Bd6 Rc8 30.Be5 f5 31.d4 c4 32.d5 c3 33.d6 Rd8 34.Bc3 Rd6 35.Bd4 Rad4 36.ed4 Rd4 37.f3 Rd6 38.g4 fg4 39.f4 b2 40.Rc2 b1Q 41.Rc8 Kf7 42.Rc7 Kf6 43.Re7 (43.Rc2 Qc2 44.Ke3 Qd2 45.Ke4 Qd3) 0–1. xtom – jurek35ok (1615), kurnik, 2011.

5.Rc3 d6 6.h4 h5 7.e3 Nbd7 8.Be2 a5 9.b5 b6 10.g4 (10.Nf3!?=+) 10...hg4 11.Bg4 (better is 11.Ra3-/+) 11...Ne5?? (better is 11...Ng4 12.Qg4 Nc5-+ (12...Bc3?! 13.Nc3 Bb7 14.e4-/+)) 12.Be2 Bb7 13.Nf3 Nf3 14.Bf3= Bf3 15.Qf3 Nh5 16.Rg1 Bc3-/+ 17.Nc3 Kh7 18.Ne4 f5?? 19.Ng5+- Kh6 20.Ne6 Qe8?? 21.Nc7+- Qf7 22.Na8 Qa2 23.Bc1 Qa4 24.Kd1 Qb5 25.Nc7 Qc4 26.Nd5 e5 27.d3 Qb5 28.e4 f4 29.Nc3 Qc6 30.Qg4 Qc3 31.Qg6 1–0. xtom (1670) – carocan (1640), kurnik, 2011.

5.Rc3 d6 6.h4 h5 7.e3 e5 8.Be2 c6 9.Na3 (9.Nf3 Qb6=+) 9...Be6 10.Qa1 (10.Bc4 d5 11.Be2 a5-/+) 10...Nbd7 (10...Nd5 11.Rb3 Nb6 12.c4 Na4 13.Nf3-+) 11.d4 (11.Nc4 d5 12.Na5 Qb6-/+) 11...ed4 12.Rd3 (12.ed4 Nd5 13.Rb3 a5-+) 12...c5 13.Nb5 Ne5 14.ed4?? (better is 14.Rd1 Nc4 15.bc5 Nb2 16.Qb2 de3 17.fe3-+) 14...Nd3 15.cd3 a6 16.Na3 cb4 17.Nc4 Nd5 18.Ne3 a5 19.Nf3 Rc8 20.Ng5 Qe7 21.Rg1 Bf6 22.g4 hg4 23.Ne4 Bh4 24.Ng4 f5 25.Nh6 Kh7 (25...Kh7 26.Ng3 Kh6-+) 0–1. xtom – supersz (1680), kurnik, 2011.

5.Rc3 Ne4 6.h4? (better is 6.Rb3=+) 6...Nc3-+ 7.Nc3 a5 8.b5 d6 9.Qa1 e5 10.h5 Bf5 11.e3 (11.hg6 fg6 (11...Bc2?! 12.d3 fg6 13.Qa2 Rf7 14.Bc1=+) 12.Qa2 Kh8-/+) 11...Nd7 12.Be2 Nc5 13.g4? Be6 14.h6 Bh8 15.Nf3 Bg4 16.Nd5 c6 17.d4 cd5 18.dc5 Rc8 19.cd6 Qd6 20.Ne5?? Be2 21.Ke2 Rc2 22.Kf1 Rb2! 23.Qb2 Be5 24.Qe2 Rc8 25.Rh4 Rc1 26.Kg2 Qf6 27.Rg4 Qe6 28.f4 Rc2! 29.Qc2 Qg4 30.Kf2 Qh4 31.Kf3 Qh3 32.Ke2 Qh2 33.Kd3 Qc2 34.Kc2 Bf6 35.Kd3 Kf8 36.e4 d4 37.e5 Bh4 38.Kd4 Bg3 39.Ke4 Ke7 40.f5 Be1 41.fg6 fg6 42.Kd5 Kd7 43.e6 Ke7 44.Kc5 Bf2 45.Kd5 Be3 46.Ke5 Bh6 47.Kd5 Be3 48.Ke5 g5 49.Kf5 h5 50.Ke4 Bd2 51.Kf5 h4 52.Ke5 h3 53.Kd4 h2 54.Ke5 h1Q 55.Kf5 Qf3 56.Ke5 Bc3 0–1. xtom – anders70, kurnik, 2011.

5.Nc3 d5 6.Qa1 d4 7.Nb5 e5 8.Rg3 a6 9.Na3 Nc6 10.c3 Ne4 11.Rg4?? (better is 11.Rd3-/+) 11...f5 12.f3?? fg4 13.fe4 dc3 14.Bc3 Nd4 15.h3 gh3 16.Nh3 Qf6 17.Nc4 Bh3 18.gh3 Nc2 19.Kd1-+ Na1 20.Be5 Qe5! 21.Ne5 Be5 22.e3 Nb3 23.Bc4 Kg7 24.Bb3 Rad8 25.h4 Rf2 26.d4 Bd4! 27.ed4 Rd4 28.Kc1 Rdd2 29.h5 Rb2 30.h6 Kf6 31.Bg8 Rfc2 32.Kd1 Rb1 33.Kc2 Rh1 34.Bh7 Rh6 35.Bg8 g5 36.Bd5 g4 37.b5 ab5 38.ab5 b6 39.Kb3 g3 40.Kc4 Ke5 (40...Ke5 41.Bf7 g2 42.Bh5 Rh5 43.Kc3 Rh3 44.Kd2 g1Q 45.Ke2 Qg2 46.Ke1 Rh1) 0–1. xtom – mintaraga (1620), kurnik, 2011.

5.Rg3 c5 6.bc5 Qa5 7.Na3 Qc5 8.Qa1 Nc6 9.h4 Nb4 10.h5? (10.Qb1 Nbd5-/+) 10...Nc2?? (better is 10...Ne4 11.Re3 Qc2 12.Re4 Qe4-+ (12...Qb2?! 13.Qb2 Bb2 14.Rb4 Ba3 15.Rb3=+)) 11.Nc2=+ Qc2 12.hg6 fg6 13.Rgh3?? d5 14.Nf3? Bh3-+ 15.gh3 Nh5 16.e3 Bb2 17.Qa2 e6 18.Nd4 Qc1 19.Ke2 Qc4 20.Ke1 Qa2 0–1. xtom (1640) – marekd4 (1605), kurnik, 2012.

5.Rg3 c6 6.h4 h5 7.Na3 (7.Bf6 Bf6 8.e3 Bg7=+) 7...d5 8.e3 (8.Rb3 Nbd7-/+) 8...Bg4 (better is 8...Ne4!? 9.Bg7 Kg7-+) 9.Qa1-/+ Nbd7 10.Be2 Be2 11.Ne2 Qc7 12.c4 (12.0-0 a5 13.b5 Qd6=+) 12...e5 (12...a5 13.Qb1-/+) 13.cd5 Nd5 14.Nc4 (14.Bc3 a5 15.ba5 Nc5-/+) 14...Nb4 15.Kd1 (better is 15.0-0!?-/+) 15...Nd3-+ 16.Bc3?? (16.Rf1-+) 16...Nf2 17.Kc2 Nh1 18.Rg5 Nf2 19.Ng3 Ng4 20.d4 ed4 21.Bd4 Bd4 22.Nh5 Ba1 0–1. xtom – tengizi, kurnik, 2011.

5.Rg3 d5-/+ 6.Na3 c6 7.Qa1 Nbd7 8.h4 (8.Nf3 c5 9.b5 Qa5-/+) 8...e5! 9.Nf3 d4 (9...Ne4 10.Rgh3 Qb6 11.e3-+) 10.c3 Ne4 11.Rg4 Ndf6 12.Re4 Ne4 13.cd4 ed4 14.h5 (14.Bd4!? Nf6 15.Nc4-/+) 14...Bg4 15.h6 Bh8 16.Nd4 Qg5 17.Nf3 Bf3-+ 18.e3 Bb2 19.Qb2-/+ Qf6 20.Qc2?? Qa1 21.Nb1 Nd2! 22.Kd2 Rad8 23.Bd3 Be4 24.Nc3 Qh1 25.Ne4 Qg2 26.Nf6? Kh8 27.Qc3 Qf2 28.Kc1 Qe3 29.Kb2 Qd4 30.Ne4 Qc3 31.Kc3 f5 32.Ng5 Rd3! 33.Kd3 f4 34.Ke2 Rf5 35.Nf3 g5 36.Nd4 Rd5 37.Nf3 g4 38.Nh4 f3 39.Kf2 Rd2 40.Kg3 f2 41.Ng6 hg6 42.Kg4 f1Q 43.Kg5 Rg2 44.Kh4 Qh1# 0–1. xtom – slimak23 (1690), kurnik, 2012.

5.Rg3 d5 6.Na3 Nbd7 7.Qa1 c5 8.bc5 Nc5 9.Nf3 (9.Nb5 a6 10.Nd4 Nfe4-+) 9...Na4 (9...Nce4!? 10.Be5-+) 10.Bd4-/+ Nb6 11.h4 h5 12.Ne5 Ne4 13.Re3 Bh6 14.g4? (14.Rd3!?-/+) 14...Be3-+ 15.Be3 Bg4 16.Ng4 hg4 17.h5 Nc4?? 18.hg6 f6 19.Nc4+= dc4 20.d3 cd3 21.ed3 Nd6 22.Be2 Nf5 23.Bg4 Ne3 24.fe3 Qd6 25.Kf2 Qe5 26.Qg1?? f5-/+ 27.Bf3 f4 28.e4? Qd4 29.Kg2 Qg1 30.Rg1 Kg7 31.Kh3 Rf6 32.Bh5 Rh8 33.Kg4 e5 34.Kg5 f3 35.Rf1 f2 36.c4 a5 37.d4 ed4 38.e5 Re6 39.Kf4 Rh5 40.Rf2 Rhe5 41.Rg2 Re4 42.Kf3 Re3 43.Kf4 R6e4 44.Kf5-+ Re2 45.Rg3 R4e3 46.Rg4 d3 47.Rh4 Re5 (47...Re5 48.Kf4 R2e4 49.Kf3 Rh4 50.Kg2 d2 51.Kf3 d1Q 52.Kg3 Rg4 53.Kf2 Qe2#) 0–1. xtom – carlsen, kurnik, 2011.

5.Rg3 d5 6.Rb3-/+.

5.Rg3 d6 6.Na3 a6 7.Qa1 Nbd7 8.h4 c5 9.h5 cb4 (9...Nh5 10.Rh5 e5 11.Rh1+/-) 10.hg6 fg6 11.Nc4 b5 (11...d5 12.Ne5-/+) 12.ab5 Nb6 (12...Nc5-/+) 13.Ne3? (13.Nb6 Qb6 14.e3 Bb7=) 13...e5 (better is 13...ab5 14.Qb1 Nc4 15.Nc4 bc4-+) 14.Nf3?? (14.Qa5 Nh5 15.Rf3 Re8=+) 14...Qc7?? 15.Ng5? Bh8?? 16.Ng4?? Nc4 17.Nf6+- Bf6 18.Nh7 Rf7 19.Nf6 Rf6+/- 20.e3 Bb7? 21.Rgh3+- Qg7 22.Rh7 Qh7 23.Rh7 Kh7 24.Bc4 ab5 25.Ba2 Kg7? 26.Qb1?? Bg2+/- 27.Bb3?? Bf3 28.d4=+ Rh8 29.Kd2 e4 30.d5 Rh2? 31.Bf6 Kf6 32.Qg1 Rg2?? 33.Qe1 g5 34.c3 bc3? 35.Kc3 Ke5 36.Kb4 g4 37.Kb5 Rh2 38.Kc6 Kf5 39.Bd1 Rh1 40.Qh1! Bh1 41.Kd6 Bg2 42.Ke7 Bf1 43.d6 Bb5 0–1. xtom (1625) – fijat5, kurnik, 2012.

5.Rg3 d6 6.Na3 e5 7.Qa1 Ne4 8.Re3 f5 9.f3?? (9.Qa2 Kh8-/+) 9...Nf6 (better is 9...Qh4 10.g3 Ng3 11.hg3 Qh1-+) 10.h4 Nd5 11.Rb3 Be6 12.h5 Nf4 13.hg6=+ hg6 14.Nh3? Bb3 15.Nf4 Bf7 16.Nh3 Qh4 17.Nf2 Qb4 18.Bc3 Qc5 19.Nd3 Qc6 20.Nb4? Qd7 21.e3 Nc6 22.Bb5 a6 23.Bc4? Nb4 24.Bb4 b5! 25.Bd3 c5 26.Ba5 e4 27.Qd1 ed3-+ 28.cd3 b4 29.Nc4 Bc4 30.dc4 d5 31.g4 fg4 32.fg4 Qf7 33.Qe2 Qf3 34.Qd3 Qh1 35.Ke2 Qe4 36.Qb3 Qc4 37.Qc4-+ dc4 38.Kd1 b3 (38...b3 39.d3 b2 40.Ke2 b1Q 41.dc4 Qf1 42.Kd2 Rf2#; 38...Rf1 39.Ke2 Raf8 40.e4 R8f2 41.Ke3 Bd4#) 0–1. xtom – pluszowy (1685), kurnik, 2011.

5.Rg3 d6 6.Na3 e5 7.Qa1 Be6 8.e3 (8.Nh3 Na6 9.c3 d5-/+) 8...Nbd7 9.h4 (9.Rf3 a5 10.ba5 Ra5-+) 9...h5 (9...a5 10.b5-+) 10.Be2 (10.Bc4 Ne4 11.Rg6 fg6 12.Be6 Kh8-/+) 10...c6 (10...c5 11.bc5 Nc5 12.Nc4-+) 11.Rg5 (11.d3 a5 12.b5 Nc5-/+) 11...Qe7 (11...Ne4 12.Nf3-+) 12.f3 (12.d3 a5 13.b5 Nc5-/+) 12...a6 (12...Nh7 13.Rg3 Bf6 14.Kd1 Bh4 15.Rgh3 Bh3 16.Nh3-+) 13.Nh3 (13.c4 a5 14.b5 Nb6-/+) 13...Rfe8 (better is 13...Nh7!?-+) 14.Nf2-/+ b5 15.g4 ba4 16.gh5=+ Nh5 17.f4 ef4 18.Bg7?? Ng7-+ 19.Rhg1 fe3 20.de3 Bd5 21.R1g3 Qf6 22.Qf6 Nf6 23.h5 Ngh5! 24.Bh5 Nh5 25.Rh5 Re5?? 26.Re5+/- de5 27.c3 a5 28.Nd3 e4 29.Nc5 ab4 30.cb4 Rb8 31.Nc2 a3 32.Nd7 Rb5 33.Nf6 Kg7 34.Nd5 a2?? 35.Nc3+- a1Q 36.Na1 c5 37.Nc2 Rb4 (37...Rb4 38.Nb4 cb4 39.Ne4 f5+-) 1–0. xtom – supersz (1700), kurnik, 2011.

5.Rg3 Ne4 6.Bg7 Ng3 7.hg3 Kg7 8.Na3 Nc6 9.b5 Na5 10.e3 c6 11.Qa1 f6 12.Nf3 d6 13.Ng5 h6 14.Ne4 Bf5 15.Bd3 d5 16.Nc3 Bd3 17.cd3 a6 18.bc6 bc6 19.g4 Nb3 20.Qb2 Rb8 21.g5 hg5 22.Rh3 Nd4 23.Qa1 Nf5 24.Nc2 Nh4 25.Rg3 c5 26.Ne2 e5 27.f4 ef4 28.ef4 Nf5 29.Rg5 d4 30.Rg4 Re8 31.Kd1 Qd7 32.Rg3 Ng3 33.Ng3 Qg4 34.Kc1 Qg3 35.Qa3 c4 36.Qd6 cd3 37.Nd4 Qe1 0–1. xtom – mapaj, kurnik, 2012.

5.Rg3 Nh5 6.Bg7? (better is 6.Rb3!?=) 6...Ng3-/+ (6...Kg7?! 7.Rb3=; 6...Ng7?! 7.Nc3=) 7.hg3 Kg7 8.Nc3 e6 9.Qa1 d5! 10.e3 f6 11.Nce2 Nc6 12.b5 Na5 13.g4 b6 14.f4 Rb8 15.Nf3 Bb7?? 16.f5?? ef5 17.gf5= g5?? 18.Ng5+- Qd6 19.Nf4 d4?? 20.Nge6 Kh8 21.Ng6 Kg8 22.Ngf8 Qg3 23.Kd1 de3 24.Qf6 ed2 25.Be2 Bg2 26.Rg1 Nb7 27.Ng5 Rf8 28.Bc4 Rf7 29.Qf7 Kh8 30.Qh7# 1–0. xtom – topnotchcon (1705), kurnik, 2011.

5.g4 Ng4 6.Bg7 Kg7 7.Rg3 f5 8.Na3 c5 9.Qa1 e5 10.Rg4? (better is 10.bc5!? Qe7 11.d4=+) 10...fg4-+ 11.Qe5 Qf6 12.Qf6 Rf6 13.bc5 Nc6 14.e3-/+ d6 15.cd6 Rd6 16.h3 gh3 17.Bh3 Bh3 18.Nh3 Rf8 19.Nb5 Rdf6 20.d4 a6 21.Nc7 R8f7?? 22.Nd5?? Rd6 23.c4 Ne7? 24.Ndf4 Nf5?? 25.Ng5 Re7 26.Rh7 Kf6 27.Ne4?? Re4-/+ 28.c5? Rdd4-+ 29.Ke2 Ra4 30.Nd5 Kg5 31.f4? Kg4 32.Nf6 Kg3 33.Rb7 Rec4 34.Rb6 Rc2 35.Kd3 Rca2 36.Ne4 Kg2 37.Rg6 Kf1 38.Nd2 Rd2 39.Kd2 Ra3 40.e4 Nd4 41.e5 Rf3 42.Rf6?? a5 43.c6 Rf2?? 44.Kd3+- Nb5 45.e6 Re2? 46.f5 a4 47.Rf7 a3 48.c7 (48.c7 a2 49.Rh7 Nc7 50.Rh1 Kf2 51.Ra1-/+) 1–0. xtom – anders70, kurnik, 2011.

5.g4 Ng4 6.Bg7 Kg7 7.Rg3 Nf6 8.Na3 d5 9.Qa1 Nbd7 10.h4 e5 11.h5 b6 12.hg6 fg6 13.Nf3 Ne4 14.Rgh3 h5 15.d3 (15.Ne5? Qf6 16.f4 Ne5 17.Qe5 Qe5 18.fe5 Bh3 19.Bh3 a5-+) 15...Ng5 16.Ne5 Qf6 17.Rg3?? (better is 17.Re3-/+) 17...Ne5-+ 18.Rhg1 Nd3! 19.Kd2 Qa1 20.Rg5 Bf5 21.ed3 Qa3 22.Bh3 Qb4 23.Kc1 Qf4 24.Kb1 Qg5! 25.Rg5 Bh3 26.f4 Rf4 0–1. xtom – atesz (1825), kurnik, 2011.

5.g4 Ng4 6.Bg7 Kg7 7.h4 Nf6 8.Nc3 d5 9.Nb5 c6 10.Nd4 e5 11.Ndf3 Bg4 12.Bh3 h5 13.Bg4 Ng4-+ 14.e3 Qf6 15.Rh3? Nd7 16.Qe2 c5 17.e4 d4 18.Qb5 cb4 19.Rb3 b6?? 20.Qd7+= Rac8 21.Kd1?? Nf2-+ 22.Kc1 d3 23.c3?? bc3 24.Rc3 Rc3 25.dc3 Rd8 26.Qc7 d2! 27.Nd2 Nh3 28.Nh3 Rd3 29.Ng5=+ Qf4?? 30.Ne6+- Kh6 31.Nf4 Rg3 32.Qe5 Rg1 33.Kc2 Kh7 34.Nf3 Ra1 35.Ng5 Kg8 36.Qf6 Ra2 37.Kb3 Rf2 38.Qf7 Kh8 39.Qh7 (39.Ng6) 1–0. xtom – mintaraga (1645), kurnik, 2011.

5.h4 a5 6.b5 h5 7.Rg3 b6 8.Na3 Bb7 9.Qa1 d5 10.e3 c5 11.Be2 Nbd7 12.f4 d4 13.ed4 Ne4 14.Re3 cd4 15.Bd4 Bd4 16.Qd4 Ndc5 (better is 16...Nd6 17.Bd3 Nc5+=) 17.g4?? (better is 17.Qd8 Rad8 18.Bf3+=) 17...Qd4-+ 18.Nc4 hg4 19.h5 Bd5 20.d3 Bc4 21.Re4 Ne4 22.de4 Be2 23.Ke2 Qe4 24.Kf2 Qh1 25.hg6 fg6 (25...fg6 26.f5 Rf5 27.Ke3 Qg1 28.Kd3 Rd8 29.Kc4 Qb1 30.c3 Rf4) 0–1. xtom (1655) – krakenisko (1630), kurnik, 2011.

5.h4 Nc6 6.b5 Na5 7.Rg3 (7.h5 A) < 7...gh5 8.Bf6 Bf6 9.Rg3 (9.Rh5?! Bg7+=) 9...Kh8 10.e3+/- (10.Rh5?! Rg8+=); B) 7...Nh5 8.Bg7 Kg7=+) 7...Nc4 8.Bc3 Ne4 9.h5? (better is 9.Rf3 Bc3 10.dc3-/+) 9...Ng3-+ 10.fg3 Bc3 11.Nc3 g5 12.h6 f6 13.e4 Ne5 14.d4 Ng6 15.Bd3 e6 16.Qh5 Qe8 17.Nf3 d6 18.e5 de5 19.de5 Ne5 20.Rf1?? Qh5 (20...Qh5 21.Ne5 fe5 22.Bh7 Kh7 23.Rf8 Qh1 24.Kf2 Qc1 25.Rf7 Kh6 26.Rc7 Qc2 27.Kg1 e4-+) 0–1. xtom – roysano (1615), kurnik, 2011.

5.h4 d6 6.Rc3 e5 7.h5 Nh5 8.Rh5 (better is 8.e3!?-/+) 8...gh5-+ 9.Rg3 Kh8 10.e3 (10.e4 f5-+) 10...Bg4 11.Be2 f5 12.Nf3? (12.e4-+) 12...h4 13.Rg4 fg4 14.Nh2 g3 15.fg3 hg3 16.Nf3 Nc6 17.b5 Ne7 18.Bd3 d5 19.c4 e4 20.Be4 de4 21.Bg7 Kg7 22.Ng5 Qd6 23.Qg4 Qg6 24.Ne6 Kh8 25.Qg6 Ng6 26.Nc7 Rac8 27.Ne6 Rf6 28.Nd4 Rc4 29.Nc3 Rc3! 30.dc3 Ne5 31.Nc2 Nd3 32.Kd1 Rf1 33.Kd2 Rf2 34.Kd1 Rg2 35.Nd4 Rf2 36.Ne2 g2 37.Ng1 Rf1 38.Ke2 Rg1 39.c4 Rf1 40.c5 g1N 41.Kd2 Nf3 42.Ke2 Re1 0–1. xtom – zase (1670), kurnik, 2011.

5.h4 d6 6.Rg3 e5 7.Na3 Nc6 8.h5 Nh5 9.Rh5 gh5 10.Qa1? (10.b5 Na5-+) 10...Bf5 11.Nf3 Bg6 12.e3 Nb4 13.Nb5 Nc2 14.Kd1 Na1 15.Ba1 c6 16.Nc3 Qa5 17.Nh4 a6 18.e4 b5 19.Nf5 b4 20.Ne2 Qa4 21.Kc1 Qa1 22.Kc2 a5 23.Rg5 a4 24.Neg3 b3 25.Kd3 b2 26.Nh5 b1Q 27.Ke3 Qa3 28.Ke2 Qbd3 29.Ke1 Qc1 0–1. xtom – cienias321 (1700), kurnik, 2011.

5.h4 h6 6.Rg3 d5 7.h5 g5 8.Na3 a5 9.b5 c5 (9...Ne4 10.Rb3 Bb2 11.Rb2-+) 10.Qa1 Nbd7 11.e3 Re8 12.Nf3 Qc7 (better is 12...e5 13.d3 Qc7-/+) 13.Ne5?? (13.Ng5 hg5 14.h6 Bf8 15.Rg5 Kh7 16.Bd3 Kh8=) 13...Ne5?? (better is 13...Ne4 14.b6 Qb6-+ (14...Nb6?! 15.Rf3-/+)) 14.Be5=+ Qd7 15.Bd3 c4 16.Be2 b6 17.f4 d4?? 18.fg5 Ne4+/- 19.Bg7?? Ng3-/+ 20.Bd4 Nh1-+ 21.gh6 f6 22.Bc4 Kh7 23.Ke2? Ng3 24.Kf2 Nh5 25.Qh1 Kh6?? 26.Be2? Qf5-+ 27.Ke1 e5 28.e4 Qg5?? 29.Be3+- Rg8 30.Qh5 Kg7 31.Bg5 fg5 32.Qg5 Kf7 33.Bh5 Ke6 34.Qh6 Kd7 35.Qc6 Ke7+- 36.Qc7 Bd7 37.Qe5 Kd8 38.Qf6 Kc7 39.Nc4 Rab8 40.Qd6 Kc8 41.Nb6 Rb6 42.Qb6 Rg2 43.Qc5 Kd8 44.b6 Rh2 45.Qf8 (45.Qf8 Be8 46.Qe8#) 1–0. xtom – nemethantal (1925), kurnik, 2011.

5.Rc3 d5

6.e3 c6 7.Nf3 Bg4 8.h3 Bf3 9.gf3 e5 10.h4 e4 (10...Nbd7-/+) 11.fe4 (better is 11.Rb3!?=+) 11...Ne4-/+ (11...de4?! 12.Rc4 Nbd7 13.h5=) 12.h5 Nc3 13.Nc3 h6 (13...d4!? 14.hg6 hg6 15.ed4 Qd4 16.Ba3-+) 14.hg6-/+ fg6 15.Qg4 Qf6 16.f4 Qf5 17.Qg2? (better is 17.Qf5 gf5 18.Rg1-/+) 17...Qc2-+ 18.Nd1 (18.d4 Qg2 19.Bg2 Nd7-+) 18...Bb2 19.Nb2 Qb2 20.Rh6 Qb1 21.Kf2 Rf6 22.d3?? Qb2 23.Be2 Nd7 24.f5 Nf8 25.Kg1 Qc1 26.Kh2 Qe3 27.Bf3 Qh6 (27...Qh6 28.Qh3 Qd2 29.Qg2 Qb4-+) 0–1. xtom – slimak23 (1675), kurnik, 2011.

6.e3 c6 7.h4 h5 8.Be2 Bg4 9.f3 Bd7 10.g4 hg4 11.fg4 Ne4 12.g5?? (better is 12.Rb3!?=+) 12...Ng3 (better is 12...Qc7 13.Kf1 Ng3 14.Kg2 Nh1 15.Kh1 Bc3 16.dc3 Qg3-+) 13.Rh2 Ne2 14.Ne2 Bg4 15.Qc1 Qd6 16.Nf4 e5 17.Ne2 Be2 18.Re2 e4 19.Rg2 Nd7 20.Qd1 Ne5 21.h5 Nf3 22.Kf2 f6?? 23.hg6? Ng5?? 24.Qh1= d4 25.Rc5 de3?? 26.de3 b6?? 27.Rcg5 fg5-+ 28.Ke1 Qb4?? 29.c3 Bc3 30.Nc3 Qe7 31.Nd5!! Rf1 32.Kf1 Rf8 33.Ke2 Rf6 34.Ne7 (34.Ne7 Kf8 35.Bf6 Ke8 36.Qh8 Kd7 37.Qc8 Kd6 38.Qc6#; 34.Nf6 Qf6 35.Bf6 b5 36.Qh8#) 1–0. xtom – fagus54, kurnik, 2011.

6.h4 d4 7.Rg3 Nc6 8.b5 Ne5 9.h5 Nh5 10.Rh5 gh5 11.Nf3 Kh8 12.Nd4? (12.Ne5 Be5 13.Rg5 Qd6-+) 12...Ng6 (12...Nc4 13.Bc3 Bd4 14.Rd3-+) 13.Na3? (better is 13.c3-+) 13...Bd4 14.Qa1 e5 15.e3 Bb2 16.Qb2 Qf6 17.Nc4 Be6 18.f4 Bc4 19.Bc4 Rfe8 20.Rf3 Qh4 21.Kf1 f6 22.Bf7 Red8 23.fe5 Ne5 24.Rh3 Qa4 25.d3 Qg4 26.Qb1 Nf7 0–1. xtom – mintaraga (1625), kurnik, 2011.

6.h4 Ne4 7.f3?? (better is 7.Rb3-/+) 7...Nc3 8.Nc3 c5! 9.bc5 Qa5 10.Qa1 Nc6 (better is 10...Qc5!? 11.e4 d4-+) 11.Nd5=+ Bb2 12.Qb2 Qa4 13.h5 Be6 14.Nf4?? Nd4 15.Ne6 Nc2?? 16.Kf2=+ fe6 17.hg6 Qd4 18.Qd4+- Nd4 19.e3 Nc6 20.Bc4 Rf6? 21.gh7+- Kh8 22.Nh3 a5 23.Ng5+- a4 24.Be6 Nd8 25.Bg8 a3 26.Ra1 e5 27.Ne4 Rh6 28.Nd6 Ra5 29.Ne4 Ne6?? 30.g4 Nc5 31.Nc5 Rc5 32.Ra3 Rhc6? 33.g5 b5 34.g6! b4 35.Rd3 Rc7?? 36.Rd8 Rc8 37.Rd7 R5c7 38.g7 1–0. xtom (1615) – kobylis (1745), kurnik, 2011.

6.h4 h5 7.e3 e5 8.Nf3 Nbd7 9.Rh3? (9.d4 ed4 10.Nd4 Nb6-/+) 9...c6 (9...Nb6 10.Rh1 e4 11.Ng5 Na4 12.Rb3-+) 10.Be2? (better is 10.Rh1!?-/+) 10...Nb6-+ 11.a5? Bh3 12.gh3 Na4 13.Ba1 Nc3 14.Bc3 e4 15.Ng5 Nd7 16.Qc1 Ne5 17.Qb2 f6 18.Ne6 Qd7 19.Nf8 Rf8 20.Na3 a6 21.Bf1 Nf3 22.Ke2 Nh4 23.d3 Qf5 24.de4 Qf3 25.Ke1 de4 26.Nc4 Nf5 27.Nd2-/+ Qh1 28.Ke2? Qh2 29.Kd1?? Qf2 30.Kc1 Ne3 31.Bc4 Nc4 32.Nc4 e3 33.Bd4 Qe1# (33...Qf1#) 0–1. xtom – train1959 (1620), kurnik, 2011.

5.h4 d5

6.Rg3 Ne4 7.Rc3? (better is 7.Rb3-/+) 7...Nc3-+ 8.Nc3 d4 9.Ne4 Bf5 10.Ng3 Be6 11.Qa1 Nc6 12.b5 Nb4 13.Kd1 Qd5 14.h5 Qc5 15.Qb1 Ba2 16.Qc1 Rad8 17.d3 e5?? 18.Ne4?? Qe7 19.h6 Bh8 20.Nf3? c5 21.c3?! dc3 22.Bc3 Bb3 23.Kd2 Nd5 24.Qb2 Nc3 25.Qc3 Ba4 26.Rh4?? f5 27.Nc5 e4 28.Qc4 Rf7 29.Na4 ef3 30.Rd4?? Rd4 (30...Rd4 31.Qb3 Rb4-+) 0–1. xtom – emilke (1820), kurnik, 2011.

6.h5 d4 7.hg6= fg6 8.e3 e5 9.Bd3 e4 (9...Be6 10.ed4 ed4 11.Ne2=+) 10.Be2 (10.Bc4 Kh8 11.Bd4 Ng4 12.Bg7 Kg7+=) 10...d3 11.cd3 ed3 12.Rd3 Qe7 13.Nc3 Bf5 14.Rd4 Nc6 15.Rdh4 h6 16.g4 Be6 17.g5 (17.Rh6?! Bh6 18.Rh6 Kg7+=) 17...hg5 18.R4h2 Rad8 19.d4 (better is 19.b5!? Ne5 20.Nf3+/-) 19...Nb4+= 20.Qb1 a5?? (better is 20...Bf5 21.Bc4 Rf7=+) 21.Qg6+- Bf7 22.Rh8 1–0. xtom – mintaraga, kurnik, 2011.

6.h5 Nh5 7.Bg7!? Kg7 8.e3=+.

6.h5 Nh5!? 7.Bg7 Ng7=+.

6.h5 Nh5 7.Rh5 Bb2 8.Rg3 Bg7 9.Rh4 e5 10.Rh1 f5 11.e3 (11.Rgh3 h6-+) 11...Be6 (11...f4 12.ef4 ef4 13.Rb3-+) 12.Bd3? (12.Rgh3 h6-+) 12...e4 13.Be2 Nd7 14.Bh5? gh5-+ 15.Qh5 Nf6 16.Qg5 Qe7 17.Nh3 Rf7 18.Nf4 Ng4 19.Qh5 Be5 20.Nc3?? Rd8 21.f3?? Bf4-+ 22.ef4 ef3 23.gf3 Rg7 24.fg4 Bf7 25.Kd1 Bh5 26.Rh5 Rg4 27.Rgh3 Rf4 28.Rh7 Qh7 29.Rh7-+ Kh7 30.Ke2 Rb4 31.Ke3 d4 32.Kf4 dc3 33.Kf5 cd2 (33...cd2 34.c4 d1Q 35.Kf4 Rc4 36.Ke5 Kg6 37.a5 Qe2#) 0–1. xtom – nemethantal (1900), kurnik, 2011.

5.h4 h5

6.Rc3 d5 7.Na3 d4 8.Rg3 Ne4 9.Rd3 e5 10.Qa1 (10.e3!?-/+) 10...c5 11.bc5 Nc5 12.Rg3 Nc6 13.Nf3 Bg4 14.Nc4 Nb4 (better is 14...Ne4 15.Rg4 hg4-+) 15.Kd1?? (15.Qb1 Bf5 16.d3 Re8-/+) 15...Re8 16.Rg4 hg4 17.Ng5 Qf6 18.c3 Qf2?? 19.cb4+/- Nd7 20.Nd6 Rf8 21.h5 Qf6 22.Nge4 Qe6 23.h6 Bf6 24.h7 Kh8 25.e3 Bg7 26.ed4 f5 27.Bc4 Qe7 28.Nc5 Qd6 29.de5 Ne5 30.Bg8 Rad8 31.Bc3 b6 32.Nb7 Qd3 33.Nd8 Rd8 34.Re1 Qd6?? 35.Re5+- Rd7 36.Re8 Re7 37.Rb8 Rd7?? 38.Bg7+- Rg7 39.Be6 Kh7 (39...Kh7 40.Qf6 Qe7+-) 1–0. xtom – kastaldi (1825), kurnik, 2011.

6.e3 Nc6 7.b5 Na5 8.Be2 d5 9.f3 Nc4 10.Qc1? (10.Bc4!? dc4 11.d3=+) 10...Nb2 (better is 10...Na3!? 11.Na3 Qd6-+) 11.Qb2-/+ Ne4 12.Nc3? (better is 12.d4 Ng3 13.Rh2-/+) 12...Ng3-+ 13.Rh3 Bh3 14.gh3 Ne2 15.Nge2 e6 16.Nd4 Qh4 17.Ke2 Qh3 18.f4 Qg4 19.Ke1 h4 20.e4 Bd4 21.Qb3 h3 22.Ne2 h2 23.Qh3 Qg1 24.Ng1 hg1Q 25.Ke2 de4 26.Rg3 Qf2 27.Kd1 Kg7 28.c3 e3 29.Re3 Be3 30.de3 Rh8 31.Qg4 Rh1 (31...Rh1 32.Qg1 Rg1) 0–1. xtom – 1pacifist, kurnik, 2011.

6.Rf3 e6 7.Na3 d5 8.Qa1 Nbd7 9.e3 Kh7 10.Bd3 Rg8 11.Nh3 Ng4?? (11...Re8 12.Ng5 Kg8 13.Rg3=+) 12.Nf4 e5 13.Nh5 Kh6?? 14.Ng7+- Rg7 15.h5! gh5 16.Rfh3 Qg5?? 17.Rh5 Qh5 18.Rh5 Kh5 19.Be2 f6 20.Nb5 Nf8? 21.Qd1 Kg5 22.Bg4 Bg4+/- 23.f3 Be6 24.Qe2 Kg6 25.g3 Nh7 26.f4 e4 27.g4 Kf7 28.f5 Bd7 29.Nc7 Rc8 30.Nd5 Rc2 31.Bc3 Ng5? 32.Qc4 Nf3 33.Kd1 Rc3 34.Nc3 Kf8 35.Ne4 Rg4 36.Nf6 Rc4 37.Nd7 Ke7 38.Nc5 Rb4 39.d4 b6 40.Ne4 Ra4 41.f6 Kf7 42.Ke2 Ng5! 43.Kd3?? Ne4 44.Ke4 Kf6 45.Kf4 b5 46.e4 Rd4 47.Ke3 Ke5 (47...Ke5 48.Kf2 b4 49.Kg3 b3 50.Kg4 b2 51.Kh4 b1Q 52.Kg4 Qe4 53.Kg5 Qg2 54.Kh5 a5 55.Kh6 Rh4) 0–1. xtom – lukaszz00 (1645), kurnik, 2011.

6.Rg3 b6 7.Na3 Bb7 8.Qa1 d6 9.e3 Nbd7 10.Be2 e5 11.Nf3 Bf3 (11...a5 12.b5-/+) 12.gf3 Kh7 13.Rg5 Bh6 14.Rg3 Ng8 15.Rhg1 Qh4 16.Nb5 Rfc8 (16...Ne7 17.Nc7 Rac8 18.Nb5=) 17.Bd3 (17.Qa2!? Qe7 18.Bc4=) 17...Ne7=+ 18.Ba3 Qf6 (18...d5 19.Nc3-/+) 19.Bb2 (19.Rh3 Nf5=+) 19...c6 (19...a5 20.ba5 Ra5 21.f4-/+) 20.Nc3=+ a5 21.b5 cb5 22.Ne4 Qe6 23.Ng5 Bg5-/+ 24.Rg5 b4 25.Rh5= Kg7 26.Rh2 Rh8 27.Rgh1 Rh2 28.Rh2 Rh8 29.Rh8 Kh8 30.f4 Kg7 31.fe5 Ne5?? 32.Bd4?? f6 33.Bb6 Nd3 34.cd3=+ Qd5 35.Ke2?? Nc6 36.e4=+ Qh5 37.f3 Qh2 38.Ke3 Qh6 39.Ke2 Qh2 40.Ke3 Ne5 41.Qd4?? Qg1 42.Ke2-/+ Qd4 43.Bd4 g5 44.Ke3 Kf7 45.f4? gf4-+ 46.Kf4 Ke6 47.Bb6?? b3-+ 48.Bd4 Nd3 49.Ke3 b2 50.Kd3 0–1. xtom – tengizi, kurnik, 2011.

6.Rg3 d5 7.Na3 c6 8.Qa1 Ne8 (8...Na6 9.Bc3 c5-/+) 9.Rc3? (better is 9.Nf3!?=+) 9...Bc3-+ 10.Bc3 Nd7 11.g4 f6 12.gh5-/+ gh5 13.Nf3 Kh8 14.Ng5 Ng7 15.a5 Qe8 16.Rg1 e5 17.Nf3-/+ Nf5 18.e3 Rg8 19.Be2 Rg1-+ 20.Ng1 Kh7 21.Qd1 Kh6 22.d4 Nh4 23.e4? de4 24.Bd2 Kh7 25.Bh5 Qg8 26.Qg4 Qg4 27.Bg4 Nf8 28.Bc8 Rc8 29.de5 fe5 30.Nc4 Nfg6 31.Nd6 Rf8 32.Nb7 Nf3 33.Nf3 ef3 34.Be3 Nf4 35.Nc5 Nd5 36.Ne6 Rf6 37.Ng5 Kg6 38.Bd2 Rd6 39.c4-/+ Nf6 40.Nf3 e4?? 41.Ne5 (41.Ne5 Kf5 42.Bc3-/+) 0–1. xtom – train1959 (1610), kurnik, 2011.

6.Rg3 d5 7.Na3 Ne4 8.Re3?? (better is 8.Rb3-/+) 8...Bb2-+ 9.Nb5 Bg7 10.f3 Ng3 11.Rh2 c6 12.Nd4 e5 13.Nb3 Qc7 14.d4 e4 15.Nd2 Nf5 16.Rb3 Qg3# 0–1. xtom – marcusmmm (1825), kurnik, 2011.

6.Rg3 d6 7.Na3 Nc6 8.b5 Nb8 9.Qa1 Ne8 (9...e5 10.d4 ed4 11.Bd4-/+) 10.c3 (10.e4!?=) 10...Nd7 11.e3 e5 12.Be2 (better is 12.d4=+) 12...f5?? (better is 12...Nc5!?-/+) 13.d4 (better is 13.Rg6!? Ndf6 14.Qd1+/-) 13...Kh7 14.de5 Be5 15.Rf3 Nc5 16.Nc4 Be6 17.Ne5 de5 18.c4 e4 19.Rg3=+ Nd3 20.Bd3 Qd3 21.Nh3 Bc4 22.Ng5?? Kg8 23.Qd1 Qd1 24.Kd1 Rd8 25.Kc2-/+ Bd3 26.Kb3= Rd6 27.Rc1 c6 28.Be5 Rd5=+ 29.f4 c5?? 30.Ne6+/- c4 31.Kc3 Rf7? 32.Rg6+/- Kh7 33.Rg5 Re5? 34.fe5+- Ng7 35.Nf4 Kg8 36.e6 Re7 37.Rg6 Kf8 38.Nd5 Re6+/- 39.Re6 Ne6 40.Rf1?? f4 41.Rf4 Nf4 42.Nf4 Kf7 43.Nd5?? Kg6 44.Nb4 Kf5-/+ 45.Kd4 Kg4 0–1. xtom – pluszowy (1670), kurnik, 2011.

6.Rg3 d6 7.Na3 e5 8.Qa1 Nc6 9.e3 Nb4 10.Bd3 e4 11.Bc4 d5 12.Bb3 c5 13.d3? (13.Qb1 Qe7-+) 13...a6 14.Ne2? ed3 15.cd3 Nd3 16.Kd2 Nb2 17.Qb2 Ne4 (17...Ne4 18.Kc1 Bb2 19.Kb2 Qf6 20.Kc1 Qf2 21.Rg6 Kh7-+) 0–1. xtom – lukaszz00 (1620), kurnik, 2011.

6.Nh3 d6 7.Ng5 e5 8.d4 ed4 9.Bd4 Nc6 10.Bf6 Qf6 11.b5 Ne5 12.Rg3 a6 13.e3 ab5 14.Bb5 c6 15.Be2 Ra4 16.0-0 (16.c4 Ra1-+ (worse 16...Rc4 17.f4-/+)) 16...Rh4 17.f4 Ng4 18.Rff3 Re8 19.Nd2 d5 20.Nf1 Bf5 21.Qb1 b5 22.Rh3 Rh3 23.gh3 Nh6 24.Ng3 (24.Bd3 Qc3 25.Rf2 Ra8-+) 24...Qe7 25.Qb3 Bf6 (25...h4 26.Nf5 Nf5 27.Bd3 Ne3 28.c3-+) 26.h4 (26.Bd3 Bd7 27.Kh2 Bg5 28.fg5 Qg5-+) 26...Bg4 27.Rf2 Qe3 28.Qe3 Re3 29.Bd3 (29.Nf3-+) 29...Rg3 30.Kh2 Re3 31.f5 (31.Kg1 Nf5 32.Bf5 Bf5-+) 31…Bf5 0-1. is_er_nog_hoop (2535) - dolar9 (2610), Rated blitz game, lichess.org, 2019.

4.Ra3 b6

5.e3 Bb7 6.h4 d6 7.Nf3 Nbd7 8.Be2 c5 9.bc5 Nc5 10.a5 Qd7 11.a6 Bc6 12.Nc3 Rc8 13.Nd4 h5 (better is 13...0-0 14.Nc6 Qc6= (< 14...Rc6 15.Bb5+/-)) 14.Nc6+/- Qc6?? (better is 14...Rc6 15.Bb5 0-0+/-) 15.Bb5+- 1–0. xtom – paciorek23 (1655), kurnik, 2011.

5.Rg3 Bb7 6.Na3 d6 7.Qa1 Nbd7 8.f4 0-0 9.h4 Nh5 10.Rg5 (better is 10.Bg7!? Ng3 11.Bf8 Nf8 12.Rh3 Nf1 13.Kf1-/+) 10...Bb2-+ 11.Qb2 Ndf6 12.e3 h6 13.Rh5 gh5 14.Be2 d5 15.Nf3-/+ Qd7 16.b5 Qf5 17.Rg1 Kh8 18.Nd4 Qg6 19.g3 Ne4 20.Ne6+/- f6 21.Nc7 Rac8= 22.Ne6 Qf7?? 23.Nd4?? e5 24.Nf5 Qg6?? 25.Ne7+/- Qf7 26.Nc8+- Rc8 27.g4?? hg4 28.Rg4 Rg8 29.fe5 Rg4 30.Bg4= Kg8?? 31.Bf5?? Ng3 32.Bd3 Ne4? 33.ef6 Qg6 34.Qe5 (34.Qe5 Qg1 35.Ke2 Qf2 36.Kd1 Qd2#). xtom – krzysztofkm (1645), kurnik, 2012.

4.Ra3 d5

5.Rc3 c6 6.h4 (6.e3 0-0=+) 6...0-0 7.h5 Nh5 8.Rh5? (better is 8.Rb3!?-/+) 8...gh5 (better is 8...Bc3!? 9.Nc3 gh5 10.e4-+) 9.Rg3 f6 10.e3 (10.e4 Qd6 11.Bc3 d4 12.Bc4 Kh8-+) 10...Bf5 11.Qh5 Bg6 12.Qh3 Qd7 13.Bd3 Qh3 14.Nh3 Kf7 15.Na3 Nd7 16.c4?? e5 17.Bg6 hg6 18.b5? Rad8 19.a5 cb5 20.cd5? b6 21.a6? Nc5 22.Nb5 Rd5 23.Bc3? Nd3 24.Ke2 Nc1 25.Kd1 Na2 26.Nc7 Nc3 27.Kc2 Rc5 28.dc3 Rc7 29.Rf3 Rfc8 30.e4 Ke6 31.Ng1 f5 32.ef5 gf5 33.Ne2 Bf6 34.Re3 Rc5 35.Nd4 Kd5 36.Nf5 e4 37.f3 Rc3 38.Rc3 Rc3 39.Kd2 Ra3 40.fe4 Ke4 41.Nd6 Kd5 42.Nb5 Ra6 43.Nc7 Kc6 44.Na6 Be7 45.Nb8 Kc7 46.Na6 Kb7 47.Nb4 Bb4 48.Kd3 Bd6 49.g4 a5 50.g5 Bf8 51.g6 Bg7 52.Kc4 Ka6 53.Kb3 b5 54.Ka3 Kb6 55.Kb3 a4 56.Ka3 Ka5 57.Ka2 b4 58.Kb1 b3 (58...b3 59.Kc1 a3 60.Kd1 a2 61.Ke1 a1Q 62.Ke2 b2 63.Kf3 b1Q 64.Kg3 Qd3 65.Kg4 Qad4 66.Kg5 Qb5#) 0–1. xtom – huremovi (1665), kurnik, 2011.

5.Rc3 e5 6.e3 0-0 7.Nf3 Re8 8.g4? (better is 8.Rb3!? Nbd7 9.Be2=+) 8...Bg4 9.Rg1?? (9.h3 Bf5-+) 9...h5 (better is 9...e4 10.Be2 Bf3 11.Bf3 ef3 12.Qf3 Qd6-+) 10.h3-/+ Bf3 11.Qf3 Nbd7 12.h4 c6 13.Be2 Qe7 14.Qg2 Kh7 15.Rb3 a6 16.Bd3 e4 17.Be2 Ne5 18.Qg5 Nfg4 19.Be5? Qg5-+ 20.hg5 Ne5 21.f4? ef3-+ 22.Bd3 Re6 23.Rh1 Kg8 24.b5 ab5 25.ab5 c5 26.Ra3 Ra3 27.Na3 c4 28.Bf1 f5 29.d3 c3 30.d4 Ng4 31.Nb1 Re3 32.Kd1 Bd4 33.Rg1 f2 34.Rg2 Re1# 0–1. xtom – nemethantal (1885), kurnik, 2011.

5.Nf3 0-0=+.

5.h4 h5 6.Rg3 b6 (6...0-0 7.Bf6 Bf6 8.e4-/+) 7.Na3 a6 8.Qa1 Nbd7 9.e3 c5 10.bc5 Nc5 11.a5 Nce4 12.Rf3 (12.Rg5 0-0-/+ (< 12...Ng5 13.hg5 b5 14.gf6 ef6 15.Ne2+=; 12...ba5?! 13.d3 Nd6 14.c4=+)) 12...Be6 (12...b5 13.Nb1-+) 13.c4? (better is 13.d3 Nd6 14.ab6 Qb6 15.Bd4 Qa5 16.Bc3-/+) 13...dc4-+ 14.Bc4? Qd2 15.Kf1 Bc4 16.Nc4 Qd3 17.Ke1 Qc4 18.Ne2 Qb4 19.Kf1 Nd2 20.Kg1 Nf3 21.gf3 0-0 22.Rh3 Qa5 23.Qd1 Rad8 24.Qc2 Rd2 25.Qc3 Qc3 26.Nc3 Rb2 0–1. xtom – hari, kurnik, 2011.

5.Rg3 0-0

6.Rb3 a5 7.b5 Nbd7-/+.

6.Nf3 Ne4 7.Bg7 Kg7 8.e3-/+.

6.Nf3 c6

7.Na3 Nbd7 8.Qa1 c5 9.b5-/+.

7.Na3 Nbd7 8.Qa1 Qc7 9.h4? (9.e3 Qd6 10.b5 a6 11.bc6 bc6=+) 9...Nh5 10.Rg5? Bb2 11.Qb2 Ndf6 12.g4 Ng7 13.h5 Ne4 14.hg6-/+ fg6 15.Re5 e6 16.Ng5?? Ng5-+ 17.Rg5 Bd7 18.e3= b6 19.Bd3 c5 20.Nb5 Bb5 21.Bb5 a6 22.Bd3 Qe7 23.Re5 cb4 24.Qd4 Rae8 25.Qb6 Qf6 26.Qd4?? Qf2-+ 27.Kd1 Qf6 28.Rf1 Qf1 29.Bf1+= Rf1 30.Ke2 Ref8 31.Qb6 R1f2? 32.Kd3+/- Rg2 33.g5 Rgf2? 34.Qb4 R2f5? 35.Rf5+- Rf5 36.Qd6 Rf8 37.Qa6 Rf5 38.Qb6 Ne8 39.Qe6 Rf7 40.a5 Kg7 41.a6 Kf8 42.Qd5 Nc7 43.Qd8 Kg7 44.a7 h5 45.a8Q Na8 46.Qa8 Rd7 47.Ke2 h4 48.Qf3 h3 49.Qh3 (49.Qh3 Rd6 50.c4+-) 1–0. xtom – huremovi (1705), kurnik, 2011.

7.Na3 Nbd7 8.Qa1 Ne4?? 9.Rg4?? (better is 9.Bg7 Re8 10.Bh6+-) 9...Bb2 10.Qb2 Nb6 11.a5? Bg4-+ 12.ab6 ab6 13.h3 Bd7 14.h4 h5 15.e3 Nf6 16.Be2 Bg4 17.Nb1 Qd6 18.Ne5 Be2 19.Ke2 Ra4 20.b5 Rb4 21.Qa1 Rb1! 22.Rb1 c5 23.f3 d4 24.f4 Ng4 25.Ng4 hg4 26.Rh1 e5 27.f5 Qd5-+ 28.Rh2?? e4 29.f6 Qe5 30.h5?? d3! 31.cd3 Qa1 32.hg6 fg6 33.de4 Qf6 34.Rh1 Qf2 35.Kd3 Qg2 36.Ra1 Rd8 37.Kc3 Qd2 38.Kc4 (38.Kb3 Rd3 39.Kc4 Qc3#) 0–1. xtom – huremovi (1685), kurnik, 2011.

7.Na3 Ne4 8.Bg7 Kg7 9.Qa1 f6 10.e3 -+.

7.Ne5 a5 8.ba5 Ra5-/+.

4.Ra3 d6

5.Rg3 0-0 6.Na3 a6 7.Qa1 e5 8.h4 Nh5 9.Rg5 (9.Rb3!?-/+) 9...h6 10.Rh5 gh5 11.Nh3 Bf5 12.f3 (12.Nf4 Nc6-+) 12...Qd7 (12...Qh4 13.Nf2 Qb4 14.e4-+) 13.Nf2 Nc6 14.Bc3 Rfe8 15.Rg1 Kh7 16.e3 d5 17.Bd3 Bd3 18.cd3? f6 19.g4 Qe7 20.gh5? Nb4 21.Rg4? a5 22.Kd1 c6 23.Nc2 Nc2 24.Kc2 b6 25.f4 Qf7 26.fe5 fe5 27.Qg1 Rg8 28.Nh3 Qh5 29.d4 e4 30.Nf4 Qf5 31.h5 Bf6 32.Ng6 Qh5 33.Ne5 Be5 34.Rg8 Rg8 35.Qf2 Qf3 36.Qh4 Rg7 37.de5 Qf7 38.e6 Qe6 39.Bg7 Kg7 40.Qg4 Qg4 (40...Qg4 41.Kc1 h5-+) 0–1. xtom (1620) – garry64, kurnik, 2012.

5.Rg3 0-0 6.Na3 e5 7.Qa1 Nc6 8.b5 Ne7 9.e3 (9.Rd3 Ne4-/+) 9...Nf5 (9...Ne4 10.Rf3-+) 10.Rf3 (10.Rh3 Nh6-/+) 10...e4 (10...Nh4 11.Rg3-+) 11.Rf4? (better is 11.Rh3!?-/+) 11...g5-+ 12.Rf5 Bf5 13.h4 g4 14.h5 h6 15.Be2 Qd7?? 16.f3?? Ne8 17.fe4 Be4 18.Rh4 f5 19.Bd3 Bg2 20.Ne2 Bf3 21.Nf4 Rf7 22.Nb1 Nf6 23.Nc3 d5 24.Nce2 Ne4 25.Ng6 Re8 26.Nd4 c5 27.Nf3 gf3 28.Rh1 c4 29.Be4 fe4 30.Nf4 Rf4! 31.ef4 d4 32.d3 cd3 33.Qa2 Kh8 34.cd3 e3 35.Bc1 Rd8 36.Be3 de3 37.Qc2 Qd3 (37...Qd3 38.Qd3 Rd3 39.Rh2 Bc3 40.Rd2 Rd2 41.b6 Rd3 42.Kf1 Rd1#) 0–1. xtom – chessgenius86 (1660), kurnik, 2011.

5.Rg3 Nbd7 6.Na3 b6 7.Qa1 Bb7 8.h4 h5 9.Nf3 Bf3 (9...a5 10.b5-/+) 10.gf3 e5 11.Rhg1 (11.Bg2 Rg8=+) 11...Qe7 (11...Nd5 12.f4 Qh4 13.Bg2-/+) 12.e3 0-0-0 (12...Nd5 13.Bb5 Rd8 14.f4 Qh4 15.f5 Nb4 16.fg6 fg6 17.Rg6=) 13.b5 (13.a5 Kb7=) 13...Nd5 14.Nc4 (14.Bc4 Nf4=+) 14...Nb4 15.Bd3? (better is 15.Kd1=+) 15...Nd3 16.cd3 Nc5 17.Ke2-/+ Qh4 18.a5 Qe7 19.ab6 ab6 20.Qa8 Kd7 21.Qc6 Kc8?? 22.Ra1 (22.Ra1 Nd7 23.Ra8 Nb8 24.Nb6#; 22.Nb6 Kb8 23.Qa8#) 1–0. xtom – krzysztofkm (1650), kurnik, 2012.

5.h4 h5 6.Rg3 0-0 7.Na3 Nc6 8.b5 Ne5 9.Qa1 Ne4 10.Re3 Nf6 11.Nf3 (11.Rg3!?=) 11...Neg4 12.Rd3 Bf5 13.Rd4? (13.Rb3 e5 14.Ng5 e4=+) 13...Nd7 14.e3 Bd4-/+ 15.Nd4 Nh6 16.f3? e5-+ 17.g4 hg4 18.Nf5 Nf5 19.h5 Ng3 20.Rg1 Qh4 21.fg4 Ne4 22.Ke2 Qf2 23.Kd3 Ndc5 24.Kc4-+ Qg1 25.Qe1 Na4 26.Bc3 d5! 27.Kb4 Nac3 28.dc3 c5 29.Kb3 Qg4 30.Be2 Qg3 31.Qh1 Qe3 32.hg6 Qc3 33.Ka2 fg6 34.Qg2 Rf6 35.Qg4 Raf8 36.Bd3 Qd4 37.Kb1 Nc3 38.Kc1 Qg4 (38...Qg4 39.Bc4 dc4 40.Kb2 Na4 41.Ka1 Qd4 42.c3 Qc3 43.Kb1 Qb2#; 38...Rf1 39.Bf1 Rf1 40.Kb2 Nd1 41.Kb3 Qc3 42.Ka2 Qb2#) 0–1. xtom – hari (1625), kurnik, 2011.

5.h4 h5 6.Rg3 0-0 7.Na3 e5 8.Qa1 Ne4 9.Re3 Nf6 10.d4 (10.Rg3 Be6 11.Nh3-/+) 10...ed4-/+ 11.Bd4 Nc6 12.Bc3 Be6 13.Rf3 (13.Nf3 a5 14.b5 Nb4-/+) 13...Ne8 14.Nh3 Bc3 (14...Nb4!? 15.Bg7 Ng7-+) 15.Qc3 Bh3 16.gh3 Qe7 17.Rg1 Qh4 18.e3 Ne5 19.Rfg3 Kh7 20.Bd3 Rg8 21.f4?? Nf3-+ 22.Kf2 Ng1 23.f5 Nh3 24.Kg2 Ng5 25.fg6 fg6 26.Nc4. xtom – hari (1610), kurnik, 2011.

5.h4 h5 6.Rg3 e5 7.Na3 c6 8.Qa1 Qe7 9.d4 Ne4 10.Re3 d5 11.de5 (better is 11.Rb3-/+) 11...Qe6?? (better is 11...Qb4 12.Bc3 Qa4-+) 12.Nf3= Nd7 13.Ng5 Ng5 14.hg5 Nb6 15.f4 Nc4 16.Nc4+= dc4 17.Rc3 a6 18.e4 b5 19.ab5 cb5 20.Qa5 Bb7 21.Re3 0-0 22.Bd4 Rfe8 23.c3 Rac8 24.Be2 Kh7? 25.Rh4 Bf8 26.g4 Be7 27.gh5 gh5 28.Bh5 Kg7 29.f5 Qd7 30.f6 Bf6 31.gf6 Kh6 32.Rg3 Be4 33.Be3 Kh7 34.Bg4 Kg8 35.Bd7 Kf8 36.Bc8 (36.Bc8 Rc8 37.Rh8; 36.Rh8) 1–0. xtom – deivis37, kurnik, 2011.

4.Ra3 Nh5

5.Rc3 Bc3-/+ 6.Nc3 f6 7.Qa1 b6 8.g4 Ng7 9.h4 (9.Bg2!? c6 10.g5-/+) 9...Bb7-+ 10.f3 Nc6 11.b5 Na5 12.Nh3 d6 13.h5 g5 (13...gh5 14.g5 fg5 15.Ng5-+) 14.h6 Ne6 15.Nf2 (15.e4 c6-+) 15...Qd7 16.Nd3 Nc4 17.Rh3 Nb2 18.Qb2 Nd4 19.a5 Qe6 20.e3? Nf3 21.Kf2 Qg4 22.a6?? Qg1 23.Ke2 Nh2 24.ab7 Qf1# 0–1. xtom – slavisko, kurnik, 2011.

5.Bg7 Ng7 6.e4=.

5.Rh3?? Bb2-+ 6.c3 Nf4 (better is 6...d6!? 7.Rh5 gh5-+) 7.Rf3-/+ Nd5 (7...e5 8.Qb3 Ba1 9.Qa3-/+) 8.Qb3=+ Bc3 9.Nc3 e6 10.Nd5= ed5 11.Re3 Kf8 12.Qc3 Rg8 13.h4 Nc6 14.h5?? d4-+ 15.Qc5 d6 16.Qd5 de3 17.hg6 ef2 18.Kf2 Qf6 19.Nf3 hg6 20.e3 Be6 21.Qb5 Rb8 22.Bc4 a6 23.Qg5 Qg5 24.Ng5 Bc4 25.Nh7 Ke7 26.g4 Rh8 27.g5 Nb4 28.Kf3 Bd5 29.e4 Bc6 30.d4 Ba4 31.e5 d5 32.Kf4 Nc2 33.e6 Nd4 34.ef7 Kf7 35.Ke5 Nc6 36.Kd5 Ne7 37.Ke5 Nf5 38.Kf4 Rbd8 39.Ra1 Rh7 40.Ra4 Rd4 41.Rd4 Nd4 42.Ke5 c5 43.Kd5 b6 44.Kc4 Rh5 45.Kc3 Rg5 46.Kb2 Rg3 47.Ka2 Rb3 48.Ka1 g5 49.Ka2 g4 50.Ka1 g3 51.Ka2 g2 52.Ka1 g1Q 53.Ka2 Qf2 54.Ka1 Qe1 55.Ka2 Qd2 56.Ka1 Qc1 57.Ka2 Qb2# 0–1. xtom (1615) – krzysztofkm (1610), kurnik, 2012.

5.h4?? Bb2-+ 6.c3 (6.Rb3 Bg7-+) 6...Ba3 7.Na3 0-0 8.Qa1 a6 9.g4 Nf6 10.h5 Ng4 11.hg6 fg6 12.f3 Nf6 13.Nh3 d6 14.c4 e5 15.Qb1 Bf5 16.e4 Bh3 17.Bh3 Nc6 18.Nc2 Nh5 19.Be6 Kg7 20.Qc1 Nf4 21.Bg4 Nd3 22.Kd1 Nc1 23.Kc1 Nd4 24.Ne1 b5 25.ab5 ab5 26.Kb2 bc4 27.Ng2 c6 28.Ne3 Qb6 29.Be6 Qb4 (29...Qb4 30.Kc1 Ra1) 0–1. xtom – pierrs (1635), kurnik, 2011.

4.c4 0-0

5.e3 b6 6.Nf3 Bb7 7.Be2 d5 8.d3 dc4 9.dc4 Nc6 10.b5 Nb4 11.0-0 Qd1 12.Bd1 Rfd8 13.Nd4 Ne4 14.Ba3 Nd3 15.Be7 Rd7 16.Bh4 Bd4 17.ed4 Rd4 18.Bf3 Nec5 19.Bb7 Nb7 20.Na3 Kg7 21.Bg3 Rc8 22.Rad1 Nbc5 23.Be5 Ne5 24.Rd4 Na4 25.Re1 f6 26.h3 Nc5 27.f4 Ned3 28.Re7 Kh6 29.g4 g5 30.f5 c6 31.Ra7 cb5 32.Nb5 Re8 33.Nd6 Re1 34.Kg2 Re2 35.Kf3 Rf2 36.Kg3 Rf1 37.Nf7 Kg7 38.Ng5 Kh6 39.Ne6 Rg1 40.Kh2 Re1 41.Nc5 Nc5 42.h4 Re2 43.Kg3 Re3 44.Kf4 Rh3 45.g5 fg5 46.hg5 Kh5 47.Rh7 1–0. rom49szachy – ome777, kurnik, 2012.

5.e3 c6 6.d4 d6 7.Nd2 Nbd7 8.Ngf3 Nh5 9.Be2 f5 10.0-0 e5 11.de5 de5 12.Qc2 e4 13.Nd4 Ne5 14.c5 Nf6 15.Rfd1 Qe7 16.Nc4 Nd5 17.Nd6 Be6 18.Bc3 Rad8 19.a5 Nc3 20.Qc3 Nf7 21.Bc4 Bc4 22.Qc4 Kh8 23.Ne6 Ba1 24.Nd8 Nd8 25.Ra1 Ne6 26.Rd1 Kg7 27.Qc3 Qf6 28.Qb3 Qe7 29.h3 Nc7 30.Qc4 Nd5 31.b5 Rb8 32.bc6 bc6 33.Qa6 Qc7 34.Ra1 Kf8 35.Qc4 Rb5 36.Qd4 Ra5 37.Ra5 Qa5 38.Qh8 Ke7 39.Qh7 Kd8 40.Nb7 1–0. rom49szachy (1610) – oddajcebule, kurnik, 2012.

5.e3 d6 6.Nf3 e5 7.Be2 Nbd7 8.d3 b6 9.0-0 Bb7 10.a5 Nh5 11.a6 Bf3 12.Bf3 Qh4 13.Ba8 Ra8 14.Qf3 Rf8 15.g3 Qh3 16.Qg2 Qe6 17.Nc3 f5 18.Nd5 c6 19.Nc3 Kh8 20.Qc6 f4 21.Qd5 Qg4 22.ef4 ef4 23.f3 Qh3 24.Rf2 Ne5 25.Raf1 fg3 26.Rg2 Nf4 27.Rg3 Qg3 28.hg3 Nd5 29.Nd5 Nd3 30.Bg7 Kg7 31.Kg2 Ne5 32.c5 dc5 33.bc5 bc5 34.f4 Nd3 35.Rd1 Nb4 36.Nc7 Rc8 37.Rd7 Kh6 38.Kh3 c4 39.Nd5 Nd5 40.Rd5 c3 41.Rd1 Rc6 42.Rc1 Kg7 43.Kg4 Kf6 44.Kf3 Kf5 45.g4 Ke6 46.Ke4 Rc4 47.Ke3 Kd5 48.f5 gf5 49.gf5 Ke5 50.f6 Kf6 51.Kd3 Rc6 52.Kc2 h5 53.Rh1 Kg5 54.Rg1 Kf4 55.Rf1 Kg3 56.Ra1 h4 57.Ra5 h3 58.Rg5 Kh2 59.Rh5 Ra6 60.Rh7 Ra2 61.Kc3 Ra3 62.Kb4 Rg3 63.Ra7 Kg1 64.Ra1 Kf2 65.Ra2 Kf3 66.Ra3 1–0. rom49szachy (1635) – oddajcebule, kurnik, 2012.

5.e3 e6 6.Nf3 b6 7.Be2 Bb7 8.0-0 d5 9.d3 Nbd7 10.Nbd2 Rc8 11.cd5 ed5 12.d4 c5 13.bc5 bc5 14.Ba3 Re8 15.Rc1 cd4 16.Nd4 Ne5 17.Bb5 Rc1 18.Qc1 Nfd7 19.Qb1 a6 20.Be2 Ba8 21.h3 Nf6 22.Ba6 Nc6 23.Bb5 Nd4 24.ed4 Re6 25.Nf3 Ne4 26.Bc5 Rf6 27.Ne5 Nd2 28.Qc2 Nf1 29.Kf1 Rf5 30.Qe2 Be5 31.de5 Qg5 32.Bd4 Qf4 33.Qd1 Qh2 34.f3 Qh1 35.Bg1 Re5 36.a5 d4 37.Qd4 Rb5 38.Qd8 Kg7 39.Qd4 Kh6 40.Qf4 Rg5 41.Qh4 Rh5 42.Qf4 Kg7 43.a6 Rd5 0–1. rom49szachy – zizi60 (1775), kurnik, 2012.

5.e3 Re8 6.Nf3 d6 7.Be2 e5 8.d4 e4 9.Nfd2 d5 10.cd5 Nd5 11.0-0 Nb4 12.Nc3 Nd3 13.Ba3 f5 14.Bd3 ed3 15.Nc4 f4 16.Qd3 f3 17.gf3 Qg5 18.Kh1= Qh5 19.e4 Bd4 20.Nd2 Be5 21.f4 Bf4 22.Nf3?? Bg4-+ 23.Qd5 Kh8 24.Qh5 Bh5=+ 25.Ng1 Nc6 26.f3 Be5 27.Rac1 Rad8 28.Nd5 Bf4?? 29.Rcd1?? Ne5?? 30.Kg2?? c6?? 31.Nf4+- Rd1 32.Rd1 Nc4 33.Bc1 Kg7 34.Nh5 gh5 35.Nh3 h6 36.Nf2 Kg6 37.Nd3 Rd8 38.Nf4 (38.Nf4 Kf6 39.Rd8+-) 1–0. rom49szachy – mariolkas, kurnik, 2012.

4.e4 d6

5.d3 Nbd7 6.d4 (better is 6.Nf3!?=) 6...Ne4-/+ 0–1. bjhaskins (1740) – cubswin (1900), net–chess.com, 2003.

5.Nf3 0-0 6.Qe2 Nc6 7.b5 Nb4 (better is 7...Na5!?=) 8.d4 Bg4 (8...Ne4!? 9.c3 Nc3 10.Bc3 Nd5+/-) 9.c3+- Bf3 10.gf3 Nh5? (better is 10...Nbd5 11.ed5 Re8+-) 11.cb4 Nf4 12.Qe3 Bh6 13.Qc3 Qd7 (13...Bg7 14.Nd2+-) 14.d5 Nh3 (14...f6+-) 15.Qh8# 1–0. guest1396 – guest1920, ICC, 2003.

5.Nf3 Nbd7 6.Be2 e5 7.d3 0-0 8.c4 b6 9.Nc3 a5 10.Ba3 ab4 11.Bb4 Nc5 12.0-0 Bd7 13.a5 (13.Qc2 Nh5=) 13...ba5 14.Ba5 Qc8 15.Bb4 Ra1 16.Qa1 Nb3 17.Qa3 Nd4 18.Nd4 ed4 19.Nd5 c5?? (better is 19...Re8+=) 20.Ne7+- Kh8 21.Nc8 cb4 22.Qb4 Bc8 23.Qd6 Be6 24.Qd4 Nd7 25.Qd6 Be5 26.Qe7 Bf6 27.Qa3 Bd4 28.Rb1 f5 29.Rb7 Rf7 30.ef5 Rf5 31.Bf3 Bc5 32.Qc3 Kg8 33.d4 Bf8 34.c5 Nf6 35.d5! Nd5 36.Bd5 Bd5 37.Rb8 Bf7 38.Rc8 Be6 39.Rc7 g5 40.h3 h5 41.Qe3 Bf7 42.g4 hg4 43.hg4 Rf4 44.Qe5 Rg4 45.Kh2 Rh4 46.Kg3 Bg7 47.Qg5 Rh5 48.Rc8 Kh7 49.Qh5 Bh5 50.f4 Bf7 51.c6 Bd5 52.Rc7 Bc6 (52...Bc6 53.Rc6 Bd4+-) 1–0. blackiwhite (1780) – riskolto (1875), kurnik, 2011.

5.f4 a6 6.Nf3 0-0 7.e5 (7.Qe2 Nc6 8.b5 Nb8=) 7...de5 (7...Nd5!?-/+) 8.fe5=+ Nd5 9.b5 ab5 10.ab5 Ra1 11.Ba1 c5 12.Bc4 Nb6 13.Be2 e6 (13...Qc7 14.d4=) 14.0-0 N8d7 15.d4 cd4 16.Qd4 Qc7 17.Qe3 (17.Na3!?+=) 17...Nd5 18.Qe4 b6 19.c4 Ne7 20.Bd4 (20.Nbd2!?=) 20...Bb7=+ 21.Qf4 Nf5 22.Bb2 Rc8 23.Rc1?? Bf3 24.Bf3? Bh6-+ 25.Qe4 Bc1 26.Bc1 Qc5 27.Kf1 Qc4 28.Qc4 Rc4 29.Bd2 Nc5 30.Bc6 Nd4 31.Kf2 Nc6 32.bc6 Ne4 33.Ke3 Nd2 34.Kd2 Rc6 35.Nc3 Kf8 36.Nb5 Ke7 37.Kd3 Rc5 38.Na7 Re5 39.Nc6 Kd6 40.Ne5 Ke5 41.g3 f5 42.h3 h6 43.Ke3 g5 44.Kf3 h5 45.h4 g4 46.Ke3 b5 47.Kd3 b4 48.Kc4 f4 49.gf4 Kf4 50.Kb4 g3 51.Kc5 g2 52.Kd6 g1Q 53.Ke7 e5 54.Kf6 e4 55.Kf7 e3 56.Kf8 e2 (56...e2 57.Ke8 e1Q 58.Kf7 Qe5 59.Kf8 Qgg7#) 0–1. poganinbezdom – siekiera1234, kurnik, 2012.

4.g3 0-0

5.Bg2 d5 6.b5 c6 7.Nc3 d4 8.Nb1 e5 9.Nf3 cb5 10.ab5 Nbd7 11.0-0 Nc5 (better is 11...Re8!?=) 12.Ne5+/- Nfd7 13.Nd7 Qd7 14.Ba3 (better is 14.c4+/-) 14...b6?? (better is 14...Qb5 15.c3 Rd8+=) 15.Ba8 Re8 (15...Qb5 16.Bc5 bc5 17.Ra7+-) 16.Bf3 (better is 16.Bc6 d3 17.ed3 Qd8+-) 16...Qb5 17.c3 Be6 18.cd4 Nb3 19.Nc3 Qc4 20.Rb1 Nd4 21.Ne4 Rd8 22.d3 Qc7? 23.Nd6! Bh3 24.Re1 Rd6 25.Bd6 Qd6 26.Qa4 Nc6 27.Rbc1 Ne7 28.Qa7 Bf8 29.Rb1 Kg7 30.Qb6 Qa3 31.Qb2 (31.Qb2 Qb2 32.Rb2+-) 1–0. wk1234 – szulek7, kurnik, 2012.

5.Bg2 d6 6.b5 c6 7.Nc3 e5 8.a5 d5 9.b6 ab6 10.ab6 Ra1 11.Qa1 Qb6 12.Nf3 d4 13.Na4 Qc7 14.0-0 b5 15.Nc5 Nbd7 16.Ba3 Nc5 17.Bc5 Re8 18.Rb1 Bf5 19.d3 Nd7 20.Qa7 Qc8 21.h3 Nc5 22.Qc5 Bh3 23.Ng5? Bd7 24.Ne4 Bf8 25.Qb6 Bf5?? 26.Nf6+/- Kg7 27.Ne8 Qe8 28.Qc6 Qc6= 29.Bc6 b4 30.c4?? dc3-+ 31.Ba4 Be6 32.Kf1 f5 33.Ke1 g5 34.Kd1 h5 35.Kc2 h4 36.gh4 gh4 37.Rh1 Be7 38.f3 Kh6 39.Bb3 Bb3 40.Kb3 Kg5 41.e3 e4! 42.Rg1 Kh5 43.fe4 fe4 44.de4 h3 45.Rh1? Kh4 46.e5 Kg3 47.e4 Kg2 48.Rb1 h2 49.Rb2 Kh3 50.Re2 (50.Re2 h1Q 51.Re3 Kg4 52.Rc3 Qb1 53.Kc4 Qe4 54.Kb3 bc3 55.Kc3 Qe5 56.Kc4 Qc5 57.Kd3 Kf3 58.Kd2 Qc4 59.Kd1 Qd3 60.Ke1 Bb4#). wk1234 – mestrejedi, kurnik, 2012.

5.Bg2 d6 6.b5 Nbd7 7.Nf3 c5 8.Nh4 Rb8 9.0-0 Qc7 10.f4 b6 11.Nc3 Bb7 12.e4 (12.Nf3 d5=) 12...Rbc8 (better is 12...Ne4!? 13.Nf3 d5-/+) 13.d3= e6 14.g4 Qd8 15.g5 Ne8 16.Nf3 c4 17.Ra3 cd3 18.cd3 Nc5 19.e5 (better is 19.Re1=) 19...de5-/+ 20.Ne5 Bg2 21.Kg2 Be5 22.fe5 Qd3 23.Qd3 Nd3 24.Ba1 Ne5 25.Ne4 Nc4 26.Rc3 Ned6 27.Nd6?? Nd6-/+ 28.Rc8 Rc8 29.Be5 Nf5 30.Rf3?? h5 31.Rd3-/+ h4 32.Rd7 Rc2 33.Kh3 Re2?? 34.Rd8 Kh7 35.Bf6 Ng7 36.Rd7?? Kg8 37.Ra7 Re4?? 38.Ra8+- Kh7 39.Ra7 Rb4?? 40.Rf7+- Ra4 41.Rg7 Kh8 42.Rg6 Kh7 43.Rh6 Kg8 44.Rh4 Ra3+- 45.Kg4 Kf7 46.Rh7 Kg6 47.Rh6 Kf7+- 48.h4 Ra4 49.Kh5 Rb4 50.Rh7 Ke8 51.g6 Rb5 52.Kh6 Rb4 53.h5 Rf4 54.Bg5 Rf5 55.g7 Kf7+- 56.Rh8 Rg5 1–0. wk1234 – taszer, kurnik, 2012.

3.b5 a6

4.a4 ab5 5.ab5 Ra1

6.Ba1 b6 7.e3 Bb7 8.Nf3 c6 (8...Bg7 9.Be2=) 9.c4 (9.Bf6 ef6 10.Bc4 c5+=) 9...cb5 (9...Bg7 10.bc6 Nc6 11.d4=) 10.cb5 (10.Bf6 ef6 11.cb5 Bd6+=) 10...d6 (10...Bg7 11.Bf6 Bf6 12.d4=) 11.d4 (11.Bf6 ef6 12.d4 f5+=) 11...Bg7= 12.Bd3 0-0 13.Nbd2 Nbd7 14.0-0 Ng4 15.Bb2 e5 16.Nc4 (16.Ba3!?+=) 16...e4= 17.Nd6 (17.Ne1!? ed3 18.Qg4=) 17...ed3 18.Nb7 Qc7 19.Qd3 Qb7 20.Rc1 Ngf6 21.Nd2 Rd8 22.Qc2 Ne8 (22...Qd5 23.Qc6-/+) 23.Qc6=+ Qc6 (23...Qb8 24.Nc4=+) 24.bc6= Rc8?? (better 24...Ndf6=) 25.cd7+- Rc1 (25...Rd8 26.Rc8 Rd7 27.Re8 Bf8+-) 26.Bc1 (26.Bc1 Nc7 27.d8Q Bf8 28.Qc7 h6 29.Qd8 Kg7 30.d5 Bb4 31.Bb2 Bc3 32.Bc3 f6 33.Qf6 Kg8 34.Qg7) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

6.Ba1 c6 7.c4 cb5 8.cb5 Qa5 9.Qc2 Kd8 10.Bf6 ef6 11.e3 Bb4 (11...d5 12.Nf3+=) 12.Qb2+/- Be7 13.Bc4 Ke8 14.Qb3 Rf8 15.Nf3 d6 16.0-0 Nd7 17.Nc3 Nb6 18.Nd5 Nc4 19.Qc4 Kd7?? (better 19...Be6+/-) 20.Rc1+- (20.Ne7?! Ke7 21.Qe4 Kd8+/-) 20...f5 (20...Rd8 21.Qc7 Qc7 22.Rc7 (22.Nc7?! Rg8+/-) 22...Ke8 23.Re7 Kf8 24.Rc7+-) 21.b6 Qc5 (21...Qa3+-) 22.Qa4 (22.Qa4 Ke6 23.Nf4 Kf6 24.Rc5+-) 1-0. DEFFM – GuestYDCR, freechess.org, 2021.

6.Ba1 c6 7.e3 Bg7 8.Nf3 d5 9.d4 0-0 10.c4 dc4 11.Bc4 Bg4 12.0-0 Qa5 13.Bc3 Qb6 14.Na3 Ne4 15.Bb4 Nd6 16.Bd6 ed6 17.h3 Bd7 18.Qb3 d5 19.Bd3 Rc8 20.Rc1 Be8 (20...Be6 21.Nc2=) 21.Rc3 Bf8 22.Ne5 Nd7 23.Nd7 Bd7 24.bc6 Qb3 25.Rb3 bc6 26.Rb7 Be8 27.Nc2 c5 28.dc5 Rc5 29.Nd4 Bd6 30.Bf1 Rc1 31.Nb3 Rd1 32.Rb6 Be5 33.Ra6?? (better 33.f4 Bc3 34.Rb8=) 33...Bb5 34.Ra1 (34.Ra8 Kg7 35.Nd2-+) 34...Ba1 35.Na1 Rf1 36.Kh2 Ra1 37.Kg3 Ra2 38.h4 (38.Kf3 f5 39.g4 fg4 40.hg4 Be2 41.Kg3 Ra1-+) 38...Rd2 39.Kf4 (39.Kf3 f5-+) 39...d4 (better 39...Rf2 40.Kg3 Rc2-+) 40.g4 (40.ed4 Rf2 41.Ke5 Rg2-+) 40...de3 (40...Rf2 41.Ke4 d3 42.Kd5 d2 43.Kd6 d1Q 44.Kc5 Rc2 45.Kb6 Qd6 46.Kb5 Qb8 47.Ka4 Ra2) 41.fe3 Rh2 42.Kg3 Re2 (better 42...Rh1 43.h5-+) 43.e4 (43.Kf3 Rb2-+) 43...Re4 44.Kf3 f5 45.h5 Bc6 (better 45...Rg4 46.h6-+) 46.gf5 gf5 47.h6 Rh4 48.Kg3 Rh6 49.Kf2 Rg6 50.Kf1 Bd7 51.Ke1 Rg4 52.Kf2 h5 53.Kf3 h4 54.Ke3 h3 (54...h3 55.Kd3 h2 56.Kd2 h1Q 57.Ke2 Qe4 58.Kd2 Rg2 59.Kc3 Rc2 60.Kb3 Qa4) 0-1. kasperoff (1825) - Zhongyi97 (2120), SuperBlitz Shield Arena, lichess.org, 2020.

6.Ba1 Bg7 7.e3 0-0 8.Nf3 b6 9.d4 Bb7 10.Bd3 d6 11.0-0 Nbd7 12.Nbd2 Re8 13.e4 e5 14.de5 Ne5 15.Ne5 de5 16.Qf3 Nh5 17.g3 Bc8 18.Bb2 Bh3 19.Ra1 Qd7 20.Ra7 Bh6 21.Nc4 Bg4 22.Qh1 Qb5 23.Ne5 Qb2 24.Ng4 Qc1 (better 24...Bg7!?+=) 25.Kg2+- c5 26.Qc1 Bc1 27.e5 Ng7?? (better 27...Bg5+-) 28.Nf6 (28.Nf6 Kf8 29.Nh7 Kg8 30.Nf6 Kf8 31.Ne8 Ke8 32.Bg6 fg6 33.Rg7+-) 1–0. onur604 (2275) – sixhectare (2090), lichess.org, 2020.

6.Ba1 Bg7 7.e3 0-0 8.Nf3 d6 9.Bc4 Be6 (9...d5!? 10.Be2 Bg4=+) 10.Be6= fe6 11.0-0 Nbd7 12.Ng5 Re8 (better 12...Nc5!?+=) 13.Ne6+- Qc8 14.Qf3 c6 15.c4 (15.Na3 Nc5 16.Nc5 dc5+-) 15...Ne5+= 16.Be5 Qe6 17.Bf6 Bf6 (17...Qf6 18.Qe4 Qf5 19.Qf5 gf5 20.bc6 bc6 21.d4+=) 18.bc6+- bc6 (18...Qc4 19.cb7 Rb8 20.d4+-) 19.Qc6 Rc8 20.Qd5 Qd5 21.cd5 Rc5 22.e4 Rc2 23.g3 Kf7 24.f4 Bd4 25.Kg2 Kf6 (25...e6 26.de6 Ke6 27.Kf3+-) 26.Kf3 Bc5 27.Ke2 Rb2 28.Nc3 Bb4 29.Kd3 Bc5 (29...Bc3 30.Kc3 (30.dc3?! Rh2 31.c4 Rg2+=) 30...Ra2 31.Rf2+-) 30.Na4 Rb3 31.Kc2 Rb5 32.Nc5 Rc5 33.Kd3 e6? (33...Rb5+-) 34.de6 Ke6 35.Ra1 h6 (35...Rh5 36.h4 Rb5 37.Kc3+-) 36.g4 (better 36.Ra6 Ke7 37.Kd4+-) 36...g5 (36...Rb5+-) 37.f5 Ke5 38.Ke3 Rb5 (38...Rc4 39.d3 Rc2 40.Ra6+-) 39.Ra7 Rb3 (39...h5 40.gh5 Rb3 41.d3+-) 40.d3 Rb2 (40...Rb1 41.Re7 Kf6 42.Rh7+-) 41.Rf7 d5 42.d4 Kd6 43.e5 Kc6 44.Rf6 Kb5 (44...Kd7 45.Rh6 Rg2 46.Rh7 Ke8 47.h3 Rg3 48.Kd2+-) 45.Rh6 Kc4 (45...Rb3 46.Kd2 Rb2 47.Kc3 Rf2+-) 46.Rc6 Kb5 47.Rc5 Kb4 (47...Kb6 48.e6 Rh2+-) 48.e6 Rh2 49.e7 Rh8 50.f6 Rh3 (50...Ka3 51.f7 Rh3 52.Kf2 Rh4 53.e8Q Rh2 54.Kg3 Rd2 55.Qe3 Rd3 56.Qd3 Kb2 57.Rb5 Ka2 58.f8Q Ka1 59.Qfa3) 51.Kf2 (51.Kf2 Rh8 52.f7 Ka3 53.e8Q Rh2 54.Kg3 Rg2 55.Kg2 Kb4 56.Qb8 Ka4 57.f8R Ka3 58.Ra5) 1–0. DEFFM – hazer, freechess.org, 2019.

6.Ba1 Bg7 7.e3 c5 8.Nf3 d6 9.c4 Bg4 10.Be2 Qa5 11.Nc3 0-0 12.0-0 Nbd7 13.h3 Be6 14.Ng5 Nb6 (14...Ra8 15.Ne6 fe6 16.Qc2+=) 15.Ne6 fe6 16.Qc2 Ra8 17.Bb2 (17.Rb1 d5+=) 17...Qb4+= 18.d3 Nfd7 (better 18...d5!? 19.Rb1 d4=) 19.Bg4+- Nf8 20.Bf3 Rb8 (20...Ra7 21.Rb1+-) 21.Rb1 Qa5? (better 21...Nfd7!?+-) 22.Ra1+- Qb4 23.Ra7 d5 24.cd5 ed5 25.Nd5 Nd5 26.Bd5 e6 27.Bb3 Bb2?! (27...c4 28.dc4 Qc5 29.Ra1 Bb2 30.Qb2+-) 28.Qb2 Qe1 (28...c4 29.dc4 Qd6+-) 29.Kh2 1–0. DEFFM – GuestLSXN, freechess.org, 2019.

6.Ba1 Bg7 7.e3 d6 8.Be2 0-0 9.Nf3 c6 10.c4 Qb6 11.Nc3 Nbd7 (11...Bg4 12.h3 Bd7 13.0-0=) 12.d4 cb5 13.Nb5 Qa5 14.Bc3 Qa2 15.0-0 Nb6 16.Nd2 Be6 Pawn c4, live or die! (16...Bf5 17.Qb3 Qb3 18.Nb3=) 17.Qb1+/- Qa6 (17...Qb1!? 18.Rb1 Na4+/-) 18.Nc7 Qa7 19.Ne6 fe6 20.Qb3 e5?? (better 20...Nbd7+-) 21.Ra1 ed4 ½-½. WG_Anonymous – Anonymous, lichess.org, 2021.

4.c4 ab5

5.cb5 Bg7 6.a4 0-0 7.e3 b6 8.Nf3 Bb7 9.Be2 d6 10.0-0 Nbd7 11.Nc3 Nc5 12.Re1 e5 13.d4 ed4 14.Nd4 (worse 14.Qd4 Nb3 15.Qf4 Na1 16.Ra1 Ne4-+; 14.ed4?! Ne6=) 14...Nfe4 15.Qc2 Nc3 16.Bc3 (worse 16.Qc3 Na4 17.Qc2 Nb2 18.Qb2 Qg5-/+) 16...Be4 17.Qd1 Qh4 18.Bf3 Bf3 19.Nf3 Qe4 Increases the pressure on a4 (19...Qc4 20.Bg7 Kg7 21.Nd4=+) 20.Bg7 Kg7 21.Nd4 h5 (21...Rfe8 22.f3 Qh4 23.g3=) 22.Nc6 (22.f3!? Qd5 23.Qc2+=) 22...Ra4= 23.Ra4 Qa4 24.Qb1 Qb3 25.Qa1 Kh7 26.Rb1?? (26.Nd4 Qb4=) 26...Qe6 (better 26...Ra8! 27.Nd4 Ra1 28.Ra1 Qb2-+) 27.h3 Qf5 28.Rf1 Ne4 29.Qd4 (29.Qa7 Qb5 30.Qc7 Qc5=) 29...Nc5 30.Ne7 (30.Qa1 Qd3 31.Qa7 Ne6=+ (worse 31...Qb5 32.Qc7 Nd3 33.Qd6+=)) 30...Qf6?? (better 30...Qe5 31.Nc6 Qd4 32.ed4 Ne6=+) 31.Qf6+- (31.Qf6 Nd7 32.Qf3+-) 1-0. brucepeng (2035) - Ansh12345678 (2050), lichess.org, 2021.

5.cb5 Bg7 6.a4 b6 7.Nc3 Bb7 8.e3 0-0 9.Nf3 d6 10.Be2 e5 11.0-0 Nbd7 (11...e4 12.Nd4=) 12.Re1 d5 13.Qb3 (13.d4 e4 14.Nd2 Re8+=) 13...Nc5 14.Qc2 (better 14.Qb4 e4 15.Ne5=) 14...d4-+ 15.ed4 (better 15.Ne5!? dc3 16.Bc3-+) 15...ed4 16.Nd1 (16.Ne5 dc3 17.Bc3 Nfe4-+) 16...d3 17.Bd3 Qd3 18.Qb1 (18.Qd3 Nd3 19.Re3 Nb2 20.Nb2-+) 18...Bf3 19.gf3 Rfe8 (19...Qd2!? 20.Bc3 Qg5 21.Kh1 Na4 22.Be5-+) 20.Re8 Re8 21.Ne3 Qb1 (21...Qd2 22.Qa2-+) 22.Rb1 Na4 23.Bc3 Nc3 24.dc3 Bh6 25.Ng2 (25.Ng4 Bg5-+) 25...Nd7 26.Rd1 (26.f4 Nc5-+) 26...Nc5 (26...Ne5 27.f4 Nf3 28.Kf1 Nh2 29.Kg1-+) 27.c4 Bg5 (27...Nb3 28.Rd7-+) 28.Ne1 (28.f4 Bh6 29.f3 f5-+) 28...Rd8 (better 28...f5 29.Ng2-+) 29.Ra1 (29.Rd8 Bd8 30.Kf1 Nb3-+) 29...Rd4 30.Ra7 (30.Kg2 Rc4 31.Rb1 Bd2-+) 30...Bf4 31.Ng2 (31.Nc2 Rc4 32.Ne3 Rc1 33.Kg2 Ne6-+) 31...Bd6 (better 31...Rd1 32.Ne1 Re1 33.Kg2-+) 32.Ra8 (32.Ne3 Rh4-+) 32...Kg7 33.Ne3 Nd7 (33...Rh4 34.Kf1-+) 34.Re8 (34.Kg2 Ne5 35.Ra4 f5-+) 34...Ne5 35.Kg2 (35.c5 bc5 36.Kg2 Rd2-+) 35...Nc4 36.Nc4 Rc4 37.Re3 Rb4 38.Re4 Re4 (better 38...Rb5!? 39.h3-+) 39.fe4 Kf6 40.Kf3 (40.h3 Ke5 41.Kf3 Kd4-+) 40...Ke5 (40...Bh2!? 41.Ke2-+) 41.Ke3 Bc5 42.Ke2 Ke4 43.h4 (43.f3 Kd4-+) 43...h5 (43...Bf2 44.Kd2 Bh4 45.Ke2-+) 44.f3 Kf4 45.Kf1 Be7 (better 45...Kf3 46.Ke1 g5 47.hg5-+) 46.Ke2 Bh4 47.Kd3 Kf3 48.Kc4 Bg3 49.Kd5 h4 (49...h4 50.Kc6 h3 51.Kd7 h2 52.Ke7 Bd6 53.Ke8 g5 54.Kd7 h1Q 55.Kc8 Kf4 56.Kd7 f6 57.Kc8 Qa8 58.Kd7 f5 59.Ke6 Qe8 60.Kd5 Qe4) 0-1. brucepeng (1660) - Cybercom (2115), lichess.org, 2019.

3.b5 b6

4.a4 a6 5.Nf3 (5.e4 Bg7=) 5...Bg7 (5...Bb7 6.e3=) 6.e3 (6.e4 0-0 7.e5 Ne4=) 6...0-0 7.c4 (7.Be2 c5=) 7...d6 (7...Bb7 8.d4=) 8.Be2 Re8 (8...e5 9.0-0=) 9.0-0 e5 (9...c5 10.Nc3=) 10.d3 (10.d4 e4 11.Nfd2 c5=) 10...Be6 (10...c6 11.d4=) 11.e4 (11.d4 Nbd7=) 11...Nbd7 (11...c5 12.Nc3=) 12.Ng5+= Nc5 13.Ne6 Ne6 14.Nd2 Nf4 15.Bf3 (15.Re1!?=) 15...Nd3=+ 16.Ba3 (16.Bc3 Qd7=+) 16...Nf4 (16...Nd7 17.Bg4=+) 17.Kh1 (17.Qc2 Qe7=+) 17...ab5 (17...Nd7 18.Qc2=+) 18.ab5 Ra7 (18...Qe7 19.Qc2=+) 19.Bb2 (19.Qc2 Qe7=+) 19...Qa8 (19...Ra1 20.Qa1 Nd7 21.Nb3=+) 20.Ra7 (20.Qb3 Ra5=+) 20...Qa7 21.Qc2 Ra8 22.Ra1 Qb7 23.Ra8 Qa8 24.g3 Ne6 25.Bg2=+ Nc5 26.Nb3? Nb3 27.Qb3-/+ Nd7 28.Qe3 Nc5 29.h4? Qa2-+ 30.Bc1 Qc4 31.Kh2 Nd3 32.Bd2 Nb2 33.Qc3 Qb5 34.Qc7-/+ Qd3?? 35.Qd8 Bf8 36.Bh6 Qe4 37.Be4 (37...d5 38.Qf8; 37.Qf8) 1-0. ATUK - EaglesWing61, caissa.com, 2005.

4.a4 Bb7 5.e3 Bg7 6.Nf3 0-0 7.c4 e6 8.Nc3 d5 9.cd5 ed5 10.Be2 Nbd7 11.0-0 c5 12.bc6 Bc6 13.Re1 Rc8 14.Rc1 Bb7 (14...Ne4 15.d4+=) 15.d3 (15.Ba3 Re8+=) 15...Qe7+= 16.Ba3?? (better 16.d4+=) 16...Qe6 (better 16...Qa3 17.Nb5 Rc1 18.Na3 Rd1 19.Rd1 Nc5-+) 17.Bf8+- Rf8 (17...Bf8 18.Nb5 a6 19.Nbd4+-) 18.Nd4 Qd6 19.Ndb5 Qb8 20.Bf3 a6 21.Nd4 Ne5 22.Nce2 Nf3 23.Nf3 h5 (23...Qd6 24.Qb3+-) 24.Ng3 Ng4 (24...Qd6 25.Qb3+-) 25.Qb3 Ba8 (25...d4 26.e4 (26.Qb6?! Bf3 27.Qb8 Rb8 28.gf3 Ne5+/-; 26.ed4?! Qf4 27.Ne4 Be4 28.de4 Bd4+-; 26.Nd4?! Qd6+-) 26...Qd8 27.Rb1+-) 26.h3 (26.Rb1 Bc6+-) 26...Nh6 (26...Ne5 27.Ne5 Be5 28.Ne2+-) 27.Nd4 (27.Rb1 Bc6+-) 27...h4 (27...Bd4 28.ed4 Qd6 29.Qb2+-) 28.Nge2 Qd6 29.Nf3 (29.Rc2 g5+-) 29...Nf5 30.e4?? (better 30.d4+-) 30...de4+= 31.de4 Be4 32.Nc3?? (32.Red1 Qf6+=) 32...Ba8?? (32...Bf3 33.gf3 Nd4=+) 33.Rcd1 Qc6 34.Ne4 Re8 (better 34...Rc8!?+/-) 35.Neg5+- Rf8 36.Rc1 (36.Nf7 Rf7 37.Re6 Qc8 38.Rb6 Bf3+-) 36...Qd6 (36...Qb7 37.Ne4+/-) 37.Red1 Qf4 (37...Qf6!? 38.Rc7 Bf3 39.Nf3 Rb8+-) 38.Rc4+- (worse 38.Qb6 Qa4 39.Rd8 Qb5 40.Rf8 Bf8+/-) 38...Qd6?? (better 38...Qb8 39.Rb4 b5 40.ab5 ab5 41.Nf7 Rf7+-) 39.Rd6 Nd6 40.Rc1 Ne4 (40...b5 41.Qb4 Rd8 42.Rd1+-) 41.Qb6 Nf6 (41...Nc3 42.Qa6 Bb7 43.Qd3 Bf3 44.Qf3+-) 42.Qa6 Rd8 (42...Bd5 43.Nh4 Re8 44.Rc8 Rc8 45.Qc8 Bf8 46.a5+-) 43.Qe2 (43.Rc8 Rf8 44.Rf8 Bf8 45.Qa8 Nd7 46.Qe8 Ne5 47.Ne5 Kg7 48.Qf7 Kh6 49.Qg6) 43...Nh5 (43...Bd5 44.Nh4 Re8 45.Qd3+-) 44.Qa2 (44.Nf7!? Kf7 45.Qc4 Rd5+-) 44...Bd5 45.Qa3 Bf8 46.Qc3 Bd6 47.a5 (47.Rd1 Ba2 48.Rd2 Bd5+-) 47...Ba8 (47...Re8 48.Rd1 Nf4 49.Kf1+-) 48.a6 (48.Rd1 Bh2 49.Kh2 Rd1 50.Qc8 Kg7 51.Qa8 Nf6+-) 48...Bb8 (48...Bf4 49.Qa5 Rf8 50.Ra1+-) 49.Qb3 Bf4 (49...Bd5 50.Qb6 Rf8+-) 50.Qf7 Kh8 51.Qh7 1-0. brucepeng (2040) - oriol6_10 (2060), lichess.org, 2020.

4.e4 Ne4?? 5.Bh8+- (5...a6 6.Nc3+-) 1–0. Taulien,Hans_Juergen – Olsfelder,Nils, remoteschach.de, 2002.

4.e4+= Bg7 5.e5 Ne4 6.d3 Ng5 7.d4 Bb7 8.h4 Ne6 9.Nf3 f5 10.h5+= g5 11.d5+- g4 12.Nh4 Be5 13.Be5 Nc5 14.Bh8 e6 15.Bc3 Qg5 16.Qd4 Bd5 17.Qh8 Ke7 18.Nd2 Ne4 19.Ng6! Kd6 20.Qe5 Kc5 21.Nb3# 1–0. Baumann,Heinz (2355) – Grand,Thorsten (1785), remoteschach.de, 2003.

4.Nf3 Bg7 5.e4 d6 6.d3 0-0 7.Be2 e5 8.0-0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.c4 Bb7 13.Nc3 Re8 14.Qc2 Nh5 15.g3 Nf8 16.Bb2 Ne6 17.Ra1 Nd4 18.Nd4 ed4 19.Nd5 Bd5 20.cd5 Qd7 21.Bh5 gh5 22.Ra7 Qb5 23.Rc7 Rf8 24.Rc4 f5 25.Bd4 fe4 26.Bg7 Kg7 27.de4 Rf7 28.Qc3 Kg6 29.f4 Qb1 30.Qc1 Qb5 31.f5 Kf6 32.Qh6 Ke7 33.Qe6 Kf8 34.Qd6 Kg7 35.Qe5 Kh6 36.Qf4 Kg7 37.Qg5 Kf8 38.Rc8 1–0. Bonetti,Shane – misavha (1795), ICC, 2002.

4.g4 Bg7 5.h4 Bb7+= 6.Rh3 0-0 7.e3 Ng4 8.Qg4?? Bb2-+ 9.c3 Ba1 10.h5 Bc8 11.hg6 fg6 12.Qh4 Rf7 13.Rg3 d6 14.Bd3 Bf5 15.e4?? Be6 16.f4 Qd7 17.Na3 c6 18.f5 Ba2?? 19.fg6= Rg7?? 20.gh7+- Kh8 21.Rg7 Kg7 22.Qg5 Kf7 23.Qg8 Kf6 24.Qa2 Bc3 25.h8Q Kg5 26.Qc3 Qg4 27.Qg8 Kf4 28.Ne2 Kf3 29.Bc4 Ke4 30.Qe3 Kf5 31.Be6 Kf6 32.Qh6 Ke5 33.Qg4 d5 34.d4 Kd6 35.Qhf4# (35.Qg3#) 1–0. spaski2 – skrufi, kurnik, 2011.

4.a4 Bg7

5.Na3 0-0 6.c4 e6 7.Nc2 c6 8.e3 cb5 9.ab5 Bb7 10.Nf3 d5 11.d4 dc4 12.Bc4 Nbd7 13.0-0 Rc8 14.Be2 Nd5 15.Ra7 Rb8 16.Qd3 Qc7 17.Rfa1 Rfc8 18.Nfe1 N7f6 19.Bf3 Ra8 20.Qb3 Qb8 21.Ra8 Ba8 22.Nb4 Bb7 23.Na6 Qd6 24.Nd3 Ra8? 25.Ba3?? Qd7 26.Ne5 Qc7?? 27.Rc1 Qd8 28.Nb4 Nd7 29.Nec6 N7f6 30.Nd8 (30.Nd8 Rd8 31.Nc6+-) 1–0. azme – mih009, kurnik, 2011.

5.d4 Bb7 6.Nd2 0-0 7.f3 d5 8.c4 Nbd7 9.e3 e6 10.g3 c5 11.bc6 Bc6 12.Bg2 dc4 13.Nc4 Rc8 14.Nd6 Rc7 15.Nb5 Rb7 16.Ne2 a6 17.Nd6 Rb8 18.Nc4 b5 19.ab5 Bb5 20.Na3 Nb6 21.Nb5 ab5 22.0-0 Nc4 23.Bc3?? Ne3-+ 24.Qb3 Nf1 25.Bf1 Nd5 26.Bd2 b4 27.Ra4 Nc3! 28.Bc3 bc3 29.Qc3 Qb6 30.Rc4 Rfd8 31.Kg2 Qb2 32.Qb2 Rb2 33.f4 Bd4 34.Kf3 Bg7 35.Re4 Bf8 36.g4 Bc5 37.Rc4 Rd3 38.Ke4 Re3 0–1. poganinbezdom – zupaaa1 (1665), kurnik, 2011.

5.e3 Bb7 6.Nf3 0-0 7.Be2 c6 8.c4 cb5 9.ab5 a6 10.0-0 ab5 11.cb5 Ra1 12.Ba1 d6 13.d4 Nbd7 14.Nc3 Qa8 15.Qb3 e6 16.Bb2 Qb8 17.Nd2 Qc7 18.Rc1 Qb8 19.Bd3 Rc8 20.Nce4 Ne4 21.Ne4 Rc1 22.Bc1 Nf6 23.Nf6 Bf6 24.Ba3 Be7 25.Qb4 Kf8 26.e4 Qc7 27.Qd2 Kg7 28.f3 d5 29.e5?? Ba3-+ 30.g4 Qc1 31.Qc1 Bc1 32.Kf2 Bd2 33.h4 Kf8 34.h5 Ke7 35.hg6 hg6 36.Ke2 Bc3 37.Ke3 Bc8 38.g5 Bb2 39.f4 Bc1 40.Kf3 Bd7 41.Bc2 Bb5 42.Bb3 Bc4 43.Bc2 b5 44.Kg4 b4 45.f5 gf5 46.Bf5 ef5 47.Kf5 Bg5! 48.Kg5 Ke6 49.Kf4 b3 50.Ke3 f6 51.ef6 Kf6 52.Kd2 Kf5 53.Kc3 Ke4 54.Kb2 Kd4 55.Ka3 Kc3 56.Ka4 b2 57.Ka3 b1Q 58.Ka4 Qb4# 0–1. poganinbezdom – hajek16 (1670), kurnik, 2012.

4.c4 Bb7

5.e3 Bg7 6.Nf3 0-0 7.Nc3 c5 8.a4 e6 9.Be2 d5 10.cd5 ed5 11.d3 (11.d4 Nbd7=) 11...Re8 12.0-0 Nbd7 13.Re1 Nf8 14.Rc1 Qd6 15.Qc2 (15.d4 Qe6=) 15...Re7 (15...d4 16.ed4 cd4 17.Nb1=) 16.Bf1 (16.a5!?+=) 16...Rae8= 17.Ne2 Ne6 (17...d4 18.ed4 Bf3 19.dc5 bc5 20.gf3=) 18.Ng3 (18.Be5 Qd7=) 18...Rc8 Black intends d4 (18...d4 19.e4 Nd7 20.Ra1=+) 19.Ne5 Rec7 20.Nc6 (better 20.Be2!?=) 20...Bc6-/+ 21.bc6 Rc6 22.Qd2 d4 23.ed4 (23.Qc2 Nd5 24.Rb1 Nb4-/+) 23...Nd4 24.Be2? (24.Bd4 Qd4 25.Rc4 Qd7-+) 24...Ne2 (better 24...Nb3 25.Qc2 Nc1 26.Rc1 Re8-+) 25.Qe2-/+ Re8 26.Qd2 Re1 27.Re1 c4 28.Ne4 (better 28.Rd1!? cd3 29.Qd3 Qd3 30.Rd3-/+) 28...Ne4-+ 29.Re4 Qd3 30.Re8 Bf8 31.Qc3 Qc3 32.Bc3 Re6 (better 32...a5-+) 33.Re6? (better 33.Rc8-/+) 33...fe6-+ 34.f4 (34.Bd4 a6-+) 34...Bc5 35.Kf1 Kf7 36.g4 Ke7 37.h4 Kd6 38.Kg2 a6 39.Kf3 b5 40.ab5 ab5 41.Ke4 b4 42.Be5 Kc6 43.f5 (43.Bg7-+) 43...ef5 44.gf5 gf5 45.Kf5 c3 (better 45...Kd5 46.h5 Bd4 47.Bd4 Kd4-+) 46.Bf4 (46.Ke4 c2 47.Bf4-+) 46...b3 47.Kf6 b2 48.Kg7 c2 49.Kh7 c1Q 50.Bc1 bc1Q (50...bc1B?! 51.h5=) 51.h5 (51.Kg6 Qf4 52.Kg7 Bd4 53.Kg6 Qg4 54.Kh6 Bg7 55.Kh7 Bf8 56.h5 Qg7) 51...Kd6 (51...Bd4 52.Kg6 Qf4 53.h6 Qf6 54.Kh5 Qf5 55.Kh4 Bf2) 52.Kg6 (52.Kg7 Qg5 53.Kf7 Qh5 54.Kg7 Bd4 55.Kf8 Ke6 56.Kg8 Qf7) 52...Qc2 (52...Ke6 53.Kg7 Bd4 54.Kg6 Qg1 55.Kh7 Qg7) 53.Kg7 (53.Kf7 Qf5 54.Kg8 Ke6 55.h6 Qg6 56.Kh8 Bd4) 53...Bd4 54.Kg8 (54.Kf8 Qf5 55.Kg8 Ke6 56.h6 Qf7) 54...Qg2 55.Kf7 Qg7 56.Ke8 Qe7 0-1. brucepeng (2030) - Guti57 (2035), lichess.org, 2021.

4.c4 Bg7

5.e3 0-0 6.Nf3 Bb7 7.Be2 d6 8.0-0 Qd7 9.Bf6 Bf6 10.d4 c5 11.Nbd2 Qc7 12.a4 a5 13.Rb1 Nd7 14.d5 Bg7 15.Bd3 Ne5 16.Ne5 Be5 17.f4 Bg7 18.Qc2 e6 19.e4 ed5 20.ed5 Bc8 21.f5 Bd7 22.fg6 fg6 23.Rf8 Rf8 24.Rf1 Bd4 25.Kh1 Rf1 26.Nf1 Qd8 27.Bg6 hg6 28.Qg6 Bg7 29.Qd6 Qf6 30.Qf6 Bf6 31.g3 Be5 32.Ne3 Bh3 33.Kg1 Bd4 34.Kf2 Kf7 35.Kf3 Be3 36.Ke3 Kf6 37.Ke4 Bf1 38.h4 Bc4 39.h5 Be2 40.h6 Bg4 41.d6 Be6 42.g4 Bg4 43.Kd5 Be6 44.Kc6 c4 45.Kb6 c3 46.Ka5 c2 47.b6 c1Q 48.b7 Qc5 49.Ka6 Bc4# 0–1. olawoj – pepebacardi, kurnik, 2012.

5.e3 0-0 6.Nf3 c5 7.Bf6 Bf6 8.d4 d6 9.Nc3 Bb7 10.Rc1 Nd7 11.d5 a5 12.Be2 Ne5 13.Ne5 Be5 14.0-0 Qd7 15.f4 Bg7 16.Bg4 e6 17.e4 f5 18.ef5 ef5 19.Be2 Rae8 20.Bd3 Re3 21.Qd2 Rfe8 22.Rce1 Bd4 23.Kh1 Qe7 24.Re3 Qe3 25.Nd1 Qd2 26.Nf2 Bf2 27.Rf2 Qd3 0–1. olawoj – pepebacardi, kurnik, 2012.

5.e3 Bb7 6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.g3 cb5 11.cb5 d6 12.Bg2 0-0 13.0-0 Qd7 14.Qb3 Bd5 15.Qb4 Rc8 16.Nc3 Bc4 17.Rd1 e5 18.d3 Bd5 19.Nd5 Nd5 20.Qb3 Nf6 21.Nd2 Qc7 22.d4 ed4 23.Bd4 Nbd7 24.Bc6 Nc5 25.Qb2 Nd3 26.Qc3 Ne5 27.f4?? Nc6+= 28.Bf6 Bf6 29.Qf6 Nb4 30.Ne4+= Qc2? 31.Qd6?? Qe4-+ 32.Kf2?? Nc2 33.Qb6 Re8?? 34.Rd8+= Rd8 35.Qd8 Kg7 36.Qb6? Nb4?? 37.Qc5?? Nd5 38.b6 Nf6 39.Qc7? Ng4-+ 40.Ke2 Qe3 41.Kd1 Nf2 42.Kc2=+ Qd3 43.Kb2 Nd1 44.Kc1 Ne3 45.b7 Qf1 46.Kd2 Nd5?? 47.Qe5+- Nf6 48.b8Q Qf2 49.Qe2 Ne4= 50.Kd3 Nc5 51.Kd2 Qd4?? 52.Kc2+- Qa4 53.Kc3 Qa3 54.Kc4 Qc1 55.Kd5 Ne6 56.Qeb2 Qb2 57.Qb2 Kh6 58.Qf6 Kh5 59.h3 Nc7 60.Kc6 Ne8 61.Qg5# 1–0. chybol3 – rryy44, kurnik, 2011.

5.e3 d6 6.Qf3 c6 7.bc6 Qc7 8.Nc3 Nc6 9.Nb5 Qb7 10.g3 a6 11.Nc3 Ne5 12.Qb7 Bb7 13.e4 Be4 14.Ne4 Ne4 15.f4 Nc4 16.Bg7 Rg8 17.Bc4 Rg7 18.Bd5 Rc8 19.Be4 f5 20.Bd5 Rc5 21.Bb3 a5 22.Nf3 Kd7 23.0-0 b5 24.d4 Rc3 25.Ng5 a4 26.Be6 Ke8 1–0. chybol3 – donica13, kurnik, 2012.

4.e3 Bb7

5.Nf3 Bg7 6.Be2 0-0 7.0-0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 d6 11.c4 Nbd7 12.d4 Ne4 13.Nbd2 Nd2 14.Qd2 Nf6 15.Bb2 Ne4 16.Qc2 f5 17.Ra1 c5 18.Bd3 cd4 19.ed4 e5 20.de5 de5 21.Ne5 Ba8? 22.Re1 Nc5 23.Bf1 Qc7 24.Nd3 Be4 25.Bg7 Qg7 26.f3?? Bd3-+ 27.Bd3 Qd4 28.Kh1 Nd3 29.Rf1 Rd8 30.Qe2 Kg7 31.Qe7 Kh8 32.h4 Rd7?? 33.Qe8 Kg7-+ 34.Qe2 Qh4 35.Kg1 Nf4 36.Qe5 Kh6 37.Qe3 Rd3 38.Qf2 Qh5 39.Qb6 Ne2 40.Kf2 Nc3 41.Qe3 Kg7 42.Qd3+- (42.Qd3 Qh4 43.g3 Qh2 44.Ke3+-) 1–0. mila77 (1810) – ttttttttttttt (1620), kurnik, 2011.

5.Nf3 Bg7 6.Be2 0-0 7.0-0 d5 8.a4 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.d4 Ne4 13.Nbd2 Ndf6 14.Ne4 Ne4 15.Nd2 Nd6 16.Qb3 dc4= 17.Bc4 Nc4 18.Qc4 Bd5 19.Qe2 c6 20.e4+/- Be6 21.bc6 Bd4 22.Bd4 Qd4 23.Nf3 Qc5= 24.c7?? Qc7?? 25.Nd4 Bc4 26.Qe3?? Bf1-+ 27.Kf1 Qc5 28.Ke2 Ra8 29.Kf3 Ra3 30.Nb3 Qb4 (30...Qb4 31.Kg4 f5 32.Kh4 Rb3-+) 0–1. fagus54 – ssosso, kurnik, 2011.

4.e3 Bg7

5.c4 Bb7 6.Nf3 Nh5 7.Bg7 Ng7 8.Nc3 e6 9.Be2 a6 10.a4 ab5 11.cb5 Qf6 12.0-0 Nf5 13.d4 c6 14.Ne5 0-0 15.Bf3 d6 16.Nd3 Nh4 17.Bg4 h5 18.Ne4 Qg7 19.Be2 c5 20.Nc3 Ng2 21.Bf3 Bf3 22.Qf3 Nh4 23.Qa8 Nd7 24.Qe4 Nf6 25.Qh4 Qh6 26.Ne4 Ne4 27.Qe4 Qg5 28.Qg2 Qf5 29.Nf4 cd4 30.e4 Qf4 31.Rad1 e5 32.f3 Qe3 33.Qf2 Qg5 34.Qg3 Qf6 35.Rf2 Rc8 36.Ra2 Qe6 37.Qf2 Rc3 38.Rc2 Ra3 39.Ra2 Rc3 40.Qd2 Kg7 41.Rf1 Qe7 0–1. chybol3 – stef2244, kurnik, 2012.

5.d4 Bb7 6.Nf3 d6 7.c4 e6 8.Nbd2 0-0 9.Bd3 c6 10.a4 cb5 11.ab5 a5 12.0-0 Nbd7 13.Re1 d5 14.Rc1 dc4 15.Nc4 Nd5 16.Nd6 Rb8 17.Ba3 Nb4 18.Bf1 Nf6 19.e4?? (better is 19.Nb7 Rb7 20.Qa4+/-) 19...Qd6-+ 20.e5 Qd5 (better is 20...Bf3!? 21.Qf3 Qd5 22.ef6 Qf3 23.gf3 Bf6-+) 21.Bc4 Qd8 22.ef6 Qf6 23.Ne5 Qg5 24.f3 Be5 25.Re5 Qf4 26.Rc3? Rfd8-+ 27.Bb4? ab4 28.Rd3 Rd7?? 29.g3-/+ Qf6 30.Qd2 Rbd8 31.f4 Qe7 32.Bb3 Qf8 33.h4 Qg7 34.h5 Bd5 35.Bd5 Rd5 36.Rd5 Rd5 37.Qb4 Rh5 38.Qc4 Rd5 39.Qc8 Qf8 40.Qf8 Kf8 41.Kf2 Ke7 42.Ke3 Kd6 43.Rb3-/+ f6 44.Ke4 e5 45.fe5 fe5 46.de5 Re5 47.Kf4 Ke6 48.Rc3 Rb5 49.Rc6 Kf7 50.g4 Kg7 51.g5 h6?? 52.Rc7= Kg8 53.gh6 Rf5-/+ 54.Kg4 Rh5 55.Rc8?? Kh7-+ 56.Rc7 Kh6 57.Rc6 Rb5 58.Rg6 Kg6 59.Kf4 Kf6 60.Ke4 Ke6 61.Kd4 Kd6 62.Kc4 Kc6 63.Kc3 Rh5 64.Kd2 Rh3 65.Ke2 b5 66.Kf1 b4 67.Kg1 b3 68.Kg2 Rc3 69.Kf2 Rc2 70.Kf1 Rc1 (70...Rc1 71.Kg2 b2 72.Kg3 b1Q 73.Kf4 Rc4 74.Kg5 Qg1 75.Kf5 Qg4 76.Kf6 Rf4 77.Ke5 Qf5#; 70...b2 71.Ke1 b1Q#) 0–1. captainevans – mizara, kurnik, 2012.

5.Nf3 0-0 6.c4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Be2 cb5 11.cb5 d6 12.0-0 Nbd7 13.Nd4 Nc5 14.Nc6 Qc7 15.d4 Ncd7 16.Qd2 Nb8 17.Rc1 Nc6 18.Rc6 Qb7 19.Qc3 Be6 20.Bf3 Nd5 21.Bd5 Bd5 22.Rc7 Qa8 23.f3 e5 24.Nd2 Qa2 25.h3 Ra8 26.Rc8 Bf8 27.Ra8 Ba8 28.Kh2 Qd5 29.Qd3 f5 30.Bb2 Bh6 31.e4 fe4 32.Ne4 Qe6 33.de5 d5 34.Nf6 Kf7 35.Qc3 Bf4 36.Kg1 g5 37.Qc7 Kg6 0–1. chybol3 – kubajj, kurnik, 2012.

5.Nf3 0-0 6.c4 a6 7.a4 ab5 8.ab5 Bb7 9.Ra8 Ba8 10.d4 c6 11.Be2 Ne8 12.0-0 cb5 13.cb5 d6 14.Qb3 Nd7 15.Nbd2 Bb7 16.Rc1 e5 17.de5 Bf3 18.Nf3 (18.gf3?! Be5 19.f4 Nc5+=) 18…de5 1–0. olawoj – ariank, kurnik, 2011.

5.Nf3 0-0 6.d4 Nh5 7.Be2 Bb7 8.0-0 c6 9.a4 d6 10.Nbd2 Nd7 11.h3 c5 12.g4 Nhf6= 13.dc5 Nc5 14.Nh2 Qd7 15.f4? h5 16.Nc4 hg4 17.hg4 Nfe4 18.Bg7 Kg7 19.Qd4 e5 20.fe5= Ne6 21.Qb2 d5 22.Nd6 Nd6 23.ed6 Kg8 24.Qe5+= Rfe8 25.Qg3 Ng5= 26.Bd3 Ne4 27.Qf4 Re6 28.Rf3 Nd6 29.Rh3+/- Kf8 30.Rf1 Ke7 31.Qg5 (31.Qg5 f6 32.Rh7 Nf7 33.Qg6+-) 1–0. poganinbezdom – kot63 (1685), kurnik, 2011.

5.Nf3 0-0 6.Be2 Ne4 7.Bg7+= Kg7 8.0-0 e6 9.d4 Qf6 10.c4 Nd6 11.Nbd2+/- Bb7 12.Qb3 c6 13.a4 cb5 14.ab5 Ne4 15.Ne4 Be4 16.Nd2 Bb7 17.Bf3 Bf3 18.Nf3 Rd8 19.Ra3 d5 20.c5 bc5 21.dc5 Nd7 22.Qb4 Rdc8 23.c6 Nb6 24.Rfa1 Rc7 25.Ra6 Nc4 26.Nd2 Ne5 27.Qd4 h5 28.Ra7 Rca7 29.Ra7 Ra7 30.Qa7 Nd3 31.Qd4 Ne5 32.Nf3 Nf3 33.gf3 Qd4 34.ed4 e5 35.c7 ed4 36.c8Q d3 37.Qc3 f6 38.b6 d2 39.Qd2 d4 40.b7 g5 41.b8Q (41.b8Q h4 42.Qc7 Kh6 43.Qd3 f5 44.Qa6 Kh5 45.Qf7#) 1–0. popovicigelu – fmanea, kurnik, 2012.

3.b5 c5

4.e4 d6 5.Nc3 Bg7 6.Rb1 0-0 7.Nf3 b6 8.Be2 Bb7 9.d3 d5 10.Nd5 Nd5 11.Bg7 Kg7 12.ed5 Qd5 13.a4 Nd7 14.Qc1 Nf6 15.0-0 Rae8 16.Ra1 e5 17.Ne1 Qd7 18.Bf3 Bf3 19.Nf3 Nd5 20.Re1 f6 21.h3 Re7 22.Nh2 h5 23.Nf1 Rc8 24.Ne3 Ne3 25.Re3 c4 26.Qd1 cd3 27.Rd3 Qf5 28.a5 Rec7 29.Qd2 g5 30.c3+= Kg6 31.ab6 ab6+= 32.Ra6 Qf4 33.Qf4 gf4 34.Rb6 Rc3 35.Rc3 Rc3= 36.f3 Rc1 37.Kh2 h4 38.Rb8 Rb1 39.b6 Kh6 40.Rh8 Kg7 41.Rb8 Kf7 42.Rb7 Ke6 43.Rb8 Kf7 44.Rb7 Kg6 45.Rb8 ½–½. Deutsch,Ludwig (2250) – Pilz,Dieter (2310), AUT–ch Frohnleiten, 2000.

4.e4 e5 5.Nf3 d6 6.Bc4 h6 (6...Nbd7 7.Nc3 Nb6 8.Be2=) 7.Nc3 Bg7 (7...Nbd7 8.a4+-) 8.0-0 0-0 9.Nh4 (9.a4+-) 9...Bg4? (better 9...Nbd7!? 10.Qe2 Nb6=) 10.f3+- Bc8 (10...Bh5!?+-) 11.Ng6+- Kh7? (better 11...Re8 12.Nh4 Be6+-) 12.Nf8 Qf8 13.f4 (13.Bd3 Kg8+-) 13...Bg4 (13...Nbd7 14.Qe2+-) 14.Qe1 Nh5 (14...Nbd7+-) 15.fe5 (15.Qh4!? Be6 16.Be6 fe6 17.Qh5 ef4+-) 15...Be5 (15...Qd8 16.Be2 Qg5 17.Rf7 de5 18.Bg4 Qg4+-) 16.Rf7 (16.Rf7 Qf7 17.Bf7+-) 1–0. DEFFM – celeng, freechess.org, 2019.

4.e4 Bg7 5.Nf3 Ne4?? (better is 5...0-0 6.e5 Nd5=) 6.Bg7+- Rg8 7.Bb2 Qa5 (7...d5 8.Be2+-) 8.c4 d6. Tanda,Giovanni (2025) – Colarina,Floram, FICGS, 2010.

4.c4 Bg7=+

5.e3 0-0 6.Nf3 a6 7.Qa4=.

5.e3 0-0 6.Nf3 b6 7.Be2 a6 8.Nc3=.

5.e3 0-0 6.Nf3 b6 7.Be2 Bb7 8.0-0 d5 (8...a6 9.Nc3=) 9.d4 Nbd7 10.a4 (10.Nc3 dc4 11.Bc4 cd4 12.Nd4 Rc8=) 10...Rc8 11.Nbd2 Qc7 (11...Re8 12.Ne5=) 12.h3 (12.dc5 Nc5 13.Be5 Qd8=) 12...Rfd8 13.Rc1 Qb8 (13...Qd6 14.Bd3=) 14.Qb3 (14.dc5 Nc5 (< 14...Rc5 15.Ba3+/-) 15.Be5 Qa8=) 14...Nf8 (14...cd4 15.ed4 dc4 16.Nc4=) 15.dc5+= Rc5 (15...bc5 16.Rfd1+=) 16.Bd4 Rc7? (better is 16...Rcc8!?+=) 17.Be5+- N6d7 (17...Ne6 18.Bc7 Nc7 19.a5+-) 18.Bc7 Qc7 19.cd5 Nc5 20.Qa2 (20.e4 e6+-) 20...Bd5 21.Bc4 Nd3 22.Rb1 Be6 23.Be6 Ne6+/- 24.Qc4 Qd7 25.Qa2 Nec5 26.Rfd1 Qf5 27.Qc4 Nb2= 28.Rb2 Bb2 29.Rb1 Bf6 30.g4 Qd5 31.Rc1= Qc4 32.Rc4 Rd7 33.Ne4 Ne4 34.Re4 Kg7 (34...h6 35.Rc4=) ½–½. Herm,Florian – Folkhard,Waltraud, Baden–ch AT2, 2002.

5.e3 d6 6.Nf3 Nbd7 (6...a6 7.Nc3=) 7.Be2 Nf8 (7...0-0 8.0-0=) 8.0-0 Ne6 9.Nc3 0-0 10.Qc2 b6 (10...a6 11.ba6 ba6 12.Rab1=) 11.Rfe1 (11.Ne4 Ne4 12.Bg7 Ng7 13.Qe4 Bf5+=) 11...Bb7= 12.Rac1 h6 13.a4 a5 14.d3 Rc8 15.Nd2 Ng5 16.h4 (16.f4 Ne6+=) 16...Ngh7 (16...Ne6 17.Bf3 Bf3 18.Nf3=) 17.Bf3 Bf3 18.Nf3 (worse is 18.gf3 e6+=) 18...e6 19.Ne2 e5 20.Qb3 Ng4 21.Nc3 Bf6 22.g3 (22.h5 Bg7=) 22...Qd7 (22...Bg7 23.Qc2=) 23.Nd5+= Qf5 24.Kg2 e4 (better is 24...Bd8!?+=) 25.de4+/- Qe4 26.Qc2 (26.Nb6?! Bb2 27.Qb2 Ne5=) 26...Qc2 27.Rc2 (worse is 27.Nf6 Nhf6 28.Rc2 Rfe8+=) 27...Bb2 (27...Rb8!?+/-) 28.Ne7+- (worse is 28.Rb2 Rb8+/-) 28...Kg7 29.Nc8 (29.Rb2?! Rce8 30.Nd5 Rb8+/-) 29...Rc8 30.Rb2 Nhf6 31.e4 Ne5 (31...Re8 32.Rbe2+-) 32.Ne5 de5 33.Rd2 Nh5 34.Rd6 Rb8 35.Kf3 Kg8 (35...Nf6 36.Red1+-) 36.Red1 Kg7 37.Rd8 Rb7 38.R1d7 Rd7 39.Rd7 1–0. DEFFM – GuestVTVV, freechess.org, 2018.

4.e3 Bg7

4.Nf3 Bg7

3.b5 c6

4.a4 b6 5.c4 (5.e4 Bg7=) 5...Bg7 6.Nf3 Nh5 (6...a6!?=) 7.Bg7+= Ng7 8.e3 c5 9.Ng5 (9.a5 a6 10.d4 ab5 11.cb5 Ra5 12.Ra5 ba5 13.dc5 0-0+/-) 9...0-0 (better 9...Bb7!?=) 10.Qf3+/- h6?? (better 10...d5 11.Qd5 Qd5 12.cd5 a6+/-) 11.Qa8+- hg5 (11...Qc7 12.Nf3 Nc6 13.bc6 Ba6 14.Qf8 Kf8 15.cd7 Ne6+-) 12.Qb8 e6 (12...a5 13.ba6! Ba6 14.Qa7+-) 13.g3 (better 13.Qa7!? d6+-) 13...Qf6 14.Nc3 Qf3 15.Rg1 Nh5 (15...Qb7 16.Qb7 Bb7 17.a5+-) 16.Be2 (better 16.Bg2 Qf6+-) 16...Qf5 (16...Qb7 17.Qb7 Bb7+-) 17.g4 Qf2 (17...Qf6 18.gh5 d5+-) 18.Kf2 1-0. Zpytasz (1775) - abd_ok_65 (1650), Rated Rapid game, 2020.

4.c4 cb5 5.cb5 Qb6 6.a4 a6 7.e3 ab5 8.Bd4 Qd6 (8...Qe6 9.Bb5 Nc6 10.Bf6 Qf6 11.Nc3=) 9.Bb5 (9.Nc3 Nc6 10.Nb5 Qb8+=) 9...Nc6= 10.Bb2 Bg7 11.Ba3 (11.Nf3 0-0=) 11...Qe5 12.Nc3 0-0 13.Nf3 Qf5 (13...Qe6 14.d4=) 14.0-0 (14.Bc6 dc6 15.Be7 Re8 16.Bf6 Qf6+=) 14...d6= 15.Bc6 (15.d4 Bd7=) 15...bc6=+ 16.Nd4 Qd7 17.Nce2 (17.d3 Bb7=+) 17...c5 18.Nb5 Bb7 19.Rb1 (19.Bb2 Rfb8=+) 19...Qc6 (better 19...Qg4!? 20.f3 Qa4-+) 20.f3=+ Nd5 21.Kh1 (better 21.Bb2=+) 21...Nb4?? (21...Nb6 22.Bb2 Bb2 23.Rb2 Na4 24.Rb1-/+) 22.d3 (22.Bb4 cb4 23.Rb4 Qc5+/-) 22...Ba6 (better 22...Nd5 23.Bc1 Nb6-/+) 23.Bb4+= cb4 24.Rb4 Qc5 (24...Rfc8 25.d4+=) 25.Qd2+/- Bb5 26.ab5 Rfb8 27.Rc1 Qb6 28.d4 Ra5 29.Nc3 h5 (29...e5 30.Nd5 Qb7 31.Nc7+/-) 30.Nd5+- Qd8 31.Rb3 (better 31.Nc7+-) 31...e6?? (better 31...Rab5 32.Rb5 Rb5=) 32.Ne7!!+- Kf8 (32...Qe7 33.Qa5 Deflection) 33.Nc6 Qc8 (33...Qc7 34.b6 Rb6 35.Qa5 Rc6 36.Qc7 Rc7 37.Rc7+-) 34.Na5 (34.Na5 Qd7 35.b6+-) 1-0. TWW_LONDON (1665) - Alexeus1 (1675), lichess.org, 2021.

4.e3 cb5 5.Bb5 (5.Bf6 ef6 6.Bb5 a6=) 5...a6 6.Be2 (6.Bf6 ef6 7.Bd3 d5=) 6...b5 (6...Bg7 7.Nf3=) 7.d4 (7.Bf6 ef6 8.Nf3 Nc6+=) 7...Nc6 (7...d5 8.a4 b4 9.Nf3=) 8.Nd2 (8.d5 Nb8+=) 8...e6 (8...d5 9.Ngf3=) 9.Nb3 (9.e4 d5 10.a4 b4=) 9...d5 (9...Ne4 10.Bf3 Bb4 11.Kf1=) 10.Nf3 Bg7 11.Ne5 (11.a4 b4=) 11...Ne5 12.de5 Nd7 (12...Ne4 13.Qd3=) 13.f4 0-0 14.Nd4 (14.a4 b4=) 14...Bb7 (better 14...Qh4 15.g3 Qe7=+) 15.Nc6?? (better 15.0-0=) 15...Bc6-+ 16.Ba3 (16.0-0 f6 17.ef6 Nf6-+) 16...Re8 (better 16...Qa5 17.Qd2 Qa3-+) 17.Bd6 (17.0-0 f6-+) 17...Bf8 (17...f6 18.0-0 fe5 19.Rb1-+) 18.0-0 (18.Bf8 Rf8 19.0-0 f6 20.ef6 Qf6-+) 18...Bd6 19.ed6 Nf6 20.Bf3 Qd6 21.g4 (21.Qd4 e5 22.fe5 Qe5 23.Rf2-+) 21...Ne4 (21...Rac8 22.g5 Nd7 23.Qd2-+) 22.g5? (22.Be4 Qc5 23.Bg2 Qe3 24.Rf2-+) 22...Qc5 (22...Nc3 23.Qd2 Qa3 24.Rfe1-+) 23.Qd3 (23.Qd4-+) 23...d4! 24.ed4 (24.Qd4 Qc2 Deflection; 24.ed4 e5 Double attack (24...e5 Decoy)) 24...Qb6 (better 24...Qf5 25.Rae1 Qf4-+) 25.Be4=+ Be4 26.Qe4 Rad8 27.c3 (27.Rfd1 Rd5 28.c3 Rc8=+) 27...Rd7 (27...Rc8 28.Rf3=+) 28.a4= Red8 (28...b4 29.Rfb1 a5 30.Qe3=+) 29.ab5 ab5 30.Rf2 (30.Rfb1 Rc7 31.Rb3 Rc4=) 30...b4 31.Rfa2?? (31.Qb1 Rb8 32.Rb2 Qd6=) 31...b3?? (better 31...bc3 32.Ra6 Rd4 33.Rb6 Re4-+) 32.Ra6?? (better 32.Ra3=) 32...b2-+ 33.Rb6 (33.Qe1 ba1R 34.Ra1 Rc8-+) 33...ba1Q 34.Kg2 (34.Kg2 Qc3 35.Qf3 Qd4 36.Rb1-+). chessovolution (1690) - Sprinkles92 (1635), Rated Bullet game, lichess.org, 2021.

4.e3 d5 5.a4 h5 6.Nf3+= Bg4 7.Be2 e6 8.c4 Nbd7 9.cd5 cd5 10.Nc3 Rc8 11.Rc1 Bb4 12.h3 Bf3 13.Bf3 Rh7 (13...Ne5 14.0-0=) 14.Qb3 (14.0-0 g5+=) 14...Ba5 15.0-0 Ng8 (15...Ne5 16.Be2 Nc4 17.Nb1 Nb2 18.Rc8 Qc8 19.Qb2+=) 16.Ne2 Ne7 (16...Bd2 17.Rc8 Qc8 18.Rd1+=) 17.Nd4 (17.Rc8 Nc8 18.d3 g5+=) 17...Nc5 (17...e5 18.Rc8 Qc8 19.Nc2=) 18.Qa2 Nd3 19.Rc8 Nc8 20.Bc3 (better 20.Ba1+=) 20...Nd6?? (20...Bc3 21.dc3 Ne5 22.Be2=) 21.Qc2?? (better 21.Ba5 Qa5 22.Qa3+-) 21...Bc3+= 22.dc3 (22.Qc3!? Ne5 23.Rc1+=) 22...Nc5 23.Re1 Qa5 24.Nb3? (24.Ra1 f5=) 24...Nb3 (better 24...Qa4 25.b6 a6-+ (worse 25...Nb3 26.ba7 f5 27.Qb3 Qa7 28.Qb4=+; 25...Qb3?? 26.Qb3 Nb3 27.ba7+-)) 25.Qb3= Nc4 (25...f5 26.Bd5 ed5 27.Qd5=) 26.e4 de4 (26...Nd2!? 27.Qd1 de4 28.Qd2 ef3=) 27.Be4 (better 27.Qc4 ef3 28.Qc8 Qd8 29.Qb7 fg2 30.Qa7+- (30.Qg2?! h4+=)) 27...Nd6?? (better 27...Nd2 28.Qc2 Ne4 29.Re4 Qd8+/-) 28.c4 (better 28.Bg6 Qc7 29.Bh7+-) 28...b6 (better 28...Qe1 29.Kh2 Ne4-+) 29.Bc6+- Kf8 30.Qd1?? (better 30.Rd1 Nf5 31.Qb2+-) 30...h4?? (better 30...Nc4 31.Re2 Qb4+=) 31.Qd6+- Kg7 1-0. brucepeng (1930) - charismaticlee (1900), lichess.org, 2021.

4.e4 Bg7 5.e5 Nd5 6.c4 Nb6 7.d4 0-0 8.Be2 cb5 9.cb5 d6 10.Nd2 de5 11.de5 Be6 12.Ngf3 N8d7 13.a4 Nd5 14.Rc1 b6 15.Bc4 Nc5 16.0-0 Nf4 17.Be6 Nfe6 18.Rc4 Rc8 19.Qc2 Qd7 20.Rc1 Bh6 21.Rd1 Qb7 22.Nb1 Rfd8 23.Rd8 Rd8 24.Nc3 Qd7 25.Qe2 Nd3 26.Ba1 Nc1 27.Qe1 Qd3 28.Rh4 Kg7 29.Rh6 Kh6 30.Qc1 Kg7 31.h3 Rc8 32.Qa3 Kf8 33.Bb2 Nc5 34.Qb4 Qc2 35.Ba3 Rd8 36.Ng5 h6 37.Nf3 Rd3 38.Bb2 Nb7 39.Ne1 Rd1 40.Nd1 Qd1 41.Bd4 Nc5 42.Bc5 bc5 43.Qe4 c4 44.e6 c3 45.Kf1 Qd2 46.Qf3 f6 47.Qa8 Kg7 48.Qa7 Qd6 49.Qd7 Kf8 50.Qd6 ed6 51.b6 1–0. Bonetti,Shane – morsem, ICC, 2002.

4.a4 a6

5.c4 ab5 6.ab5 Ra1 7.Ba1 Bg7 8.e3 d5 9.Nf3 Bg4 10.Be2 (10.h3 Bf5=) 10...0-0 (10...Bf3 11.Bf3 dc4 12.bc6 Nc6 13.Qa4=) 11.h3 (11.cd5 Qd5 12.Nc3 Qe6=) 11...Be6 (11...Bf3 12.gf3 cb5 13.cd5 Nd5 14.Bg7 Kg7 15.Bb5=+) 12.Qc2 (12.c5 b6 13.cb6 Qb6=) 12...Nbd7 (12...dc4 13.Bc4 Bc4 14.Qc4=) 13.Nd4 dc4 (better 13...cb5!? 14.Ne6 fe6 15.cb5 e5=) 14.Ne6+/- fe6 15.Bc4 (better 15.bc6 bc6 16.Qc4+/-) 15...Nc5? (15...Nd5 16.Bg7 Kg7 17.bc6 bc6 18.Nc3+=) 16.d4 (16.bc6 bc6 17.Bd4 Nfe4 18.Bc5 Nc5+-) 16...Nce4? (better 16...cb5!? 17.Ba2 Qa5 18.Bc3 b4+=) 17.Be6 (17.bc6 bc6 18.Be6 Kh8+-) 17...Kh8+/- 18.bc6 bc6 19.Qc6 (19.0-0 Qd6 20.Bb3 Rb8+-) 19...Qa5 (19...Qa8 20.Qa8 Ra8 21.Bc3+/-) 20.Bc3+- Nc3 21.Qc3 (worse 21.Nc3 Ne4 22.0-0 Nc3-/+) 21...Qb6 22.Bb3?? (better 22.Qb3 Qa5 23.Ke2+/-) 22...Ne4-/+ 23.Qd3?? (better 23.Qc4 Qa5 24.Ke2-/+) 23...Nf2-+ 24.Qc4 Nh1 25.Kd1 (25.Nc3 e5 26.Nd5 Qb8-+) 25...Nf2 (25...e5 26.Nc3-+) 26.Kc2 (26.Ke2 e5 27.d5 Nh1-+) 26...Ne4 (26...e5 27.Nc3-+) 27.Nc3 (27.Nd2 Nd2 28.Kd2 Qa5 29.Ke2 Qa8-+) 27...Nd6 (27...Nc3 28.Qc3 Qb7 29.Kd3-+) 28.Qe6 (28.Qa4 Rb8 29.g3 Nf5-+) 28...Rc8 29.Kd2 (29.Kd1 Qa6 30.Ne2 Qa1 31.Kd2 Qb1-+) 29...Qc6 (better 29...Qb4 30.Ke2 Qc3-+) 30.Nd5 (30.Ne2 Qg2 31.Bd5 Qf1-+) 30...Re8 (better 30...Nc4 31.Bc4 Qe6-+) 31.Ne7 (31.Nf4 Rb8-+) 31...Ne4 (31...Qg2 32.Kd3 Qb7 33.e4-+) 32.Ke2 (32.Kd3 Qe6 33.Be6 Re7 34.Ke4 Re6 35.Kf3 Rf6 36.Ke4 Bh6-+) 32...Qe6 33.Be6 Re7 (33...Re7 34.Bg4 Bh6-+) 0-1. AhmedSultanov (1880) - Chungik (1765), lichess.org, 2019.

5.c4 d5 6.e3 Bg7 7.Nf3 cb5 (7...0-0 8.Nc3=) 8.ab5 Nbd7 9.cd5 Nd5?? (better 9...0-0=) 10.Bg7+- Rg8 11.Bh6 b6 (11...e5+-) 12.Ne5 (better 12.ba6!? e6+-) 12...a5?? (better 12...Ne5 13.ba6 Qd6+/-) 13.Qf3 (13.Nc6 Qc7 14.Bc4 N7f6+-) 13...N7f6?? (better 13...Ne5 14.Qe4 f6=) 14.Bc4+- Nb4 (14...Be6+-) 15.Qa8 (15.Bf7) 15...Nc2 (15...Be6 16.Qd8 Kd8 17.Be6 fe6 18.Ke2+-) 16.Kf1 Na1 (16...e6 17.Ra2 Nb4+-) 17.Nc6 (17.Bf7) 17...Qc7+- 18.Nc3 (18.Na3 g5+-) 18...Nc2 (18...g5 19.h4 gh4 20.Rh4 Nc2+-) 19.Na7 (19.Bg5 Nb4+-) 19...Kd7?? (19...Qc4 20.Kg1 Kd7+-) 20.Bf7 (better 20.Qc6 Qc6 21.bc6 Kd6+-) 20...Rd8?? (20...Bb7 21.Qg8 Ng8 22.Bg8 Qd6+=) 21.Ke2 (better 21.Qc6 Qc6 22.bc6 Kd6 23.Ncb5 Kc5 24.d4 Kb4 25.c7+-) 21…Bb7= (21...Bb7 22.Bf4 Ra8 23.Bc7 Kc7+=). chessbit – VINERA, Rated Bullet game, lichess.org, 2019.

4.a4 cb5

5.ab5 b6 6.c4 Bg7 7.e3 0-0 8.Nf3 d5 9.Nc3 dc4 (9...Be6 10.Nd5 Nd5 11.Bg7 Kg7 12.cd5 Bd5 13.d4+=) 10.Bc4+= Nbd7 (10...a5 11.ba6 Ba6 12.d4+=) 11.0-0 (11.d4 Bb7+=) 11...Nc5 (11...Qc7 12.Qe2+=) 12.d4+/- Nce4 13.Bd3 (13.Ne5 Bb7+/-) 13...Nc3 14.Bc3 Bb7 15.Be2 (15.Qe2 Ne4 16.Bb4 Qd7+=) 15...Nd5 16.Bb2 a6? (better 16...Qd6+=) 17.ba6+- Bc6 (17...Bc8 18.Qb3+-) 18.Ne5 Be5 19.de5 e6 20.Qc2 Qc7 (20...Rc8 21.Qc4+-) 21.Rfc1 Rfc8 22.e4 (better 22.Qd2+-) 22...Nb4?? (22...Nf4+-) 23.Qb3 Na6 (23...Qe7 24.Ba3+-) 24.Ra6 (better 24.Ba6 b5 25.Bc8 Rc8 26.Rc3+-) 24...Be4 (24...Qd7+-) 25.Rc7 Rc7 26.Ra8 Kg7 (26...Ba8 27.Qb6 Rc8+-) 27.Ra1 (better 27.Rd8 Rc5+-) 27...Bd5 28.Qb6 Rc2 29.Bf3 Bf3 30.gf3 h5 31.Bd4 g5 32.Be3 (32.Qd8 Kh7 33.Qf6 Kg8 34.Ra8 Rc8 35.Rc8 Kh7 36.Rh8) 32...g4 33.fg4 (33.Qd8 Rc8 34.Qf6 Kg8 35.Bh6 Rc1 36.Rc1 gf3 37.Qg7) 33...hg4 34.Ra7 (34.Qd8 Rc1 35.Rc1 Kh7 36.Rc8 Kg6 37.Qf6 Kh5 38.Qg5) 34...Kg6 (34...Rc4 35.Qe6 Rc1 36.Bc1 Kh7 37.Qf7 Kh8 38.Qe8) 35.Qb7 (35.Qd8 Rc1 36.Bc1 Kf5 37.Rf7 Ke5 38.Bb2 Ke4 39.Qd4) 35...Kf5 (35...Rf2 36.Kf2 Kf5 37.Qb1 Ke5 38.Qb5 Ke4 39.Ra4) 36.Qf7 Ke5 (36...Ke4 37.Rd7 Rf2 38.Qf2 Ke5 39.Qf4) 37.Ra5 (37.Qf4 Kd5 38.Qd4 Kc6 39.Qd7) 37...Ke4 38.Qe6 Kf3 (38...Kd3 39.Qb3 Rc3 40.Qd1 Kc4 41.Qd5 Kb4 42.Qb5) 39.Qf5 Ke2 40.Qg4 (40.Qc2 Kf3 41.Rf5) 40...Kd3 41.Ra3 (41.Qd1 Kc3 42.Qd4 Kb3 43.Rb5 Ka3 44.Qa7) 41...Rc3 42.Qd4 Ke2 43.Rc3 Kf3 44.Bh6 Ke2 45.Re3 1-0. brucepeng (1880) - GrigoriH (1785), lichess.org, 2019.

5.ab5 Qb6 6.c4 Nc6? (6...Bg7!?=) 7.Nf3 (7.Bf6 ef6 8.bc6 dc6+-) 7...Na5? (better 7...Bg7+/-) 8.Bf6 Qf6? (8...ef6 9.Qa4 Nc4 10.Qc4 d5 11.Qd5 Be6+-) 9.Nc3 (better 9.Ra5 Bg7 10.Nc3+-) 9...Nc4=+ 10.e3 Ne5 (10...Nb6!?=+) 11.Ne5= Qe5 12.Be2 (12.b6 a6=) 12...Bg7 13.Bf3 a6 14.0-0 d6 (14...0-0!?=) 15.ba6+= Ra6 16.Ra6 (16.Bb7 Ra1 17.Bc6 Kf8 18.Qa1 Qc5+=) 16...ba6= 17.Qa4 Kf8 18.Bc6 Bf6 19.Ra1 Kg7 20.d4 Qh5 21.Ne4 Bh4 22.Bd7 (22.g3 f5 23.Nc3 Bf6=) 22...Bb7 (better 22...Bd7 23.Qd7 Rb8=+) 23.Qc4?? Attacking the isolated pawn on a6 (better 23.Bc6 Rb8 24.Bb7 Rb7 25.Qa6=) 23...Be4-+ 24.Ra6 (24.Qa6 Rb8 25.Qa2 Ra8-+) 24...Qg5 (better 24...Qd1 25.Qf1 Qf1 26.Kf1 Bd3 27.Ke1 Ba6 28.g3-+) 25.g3 (25.Qf1 Rb8 26.Ra1 e6-+) 25...Rd8 (better 25...Bg3 26.hg3 Qh5 27.f3 Qf3 28.Ra2-+) 26.Bh3 Bd5 (26...Qh5 27.Bg2 Rc8 28.Qf1 Bg2 29.Kg2 Qd5 30.Kg1-+) 27.Qe2 Rb8 28.Ra1 Qf6?? (28...Bc6 29.e4 f5 30.Bg2 fe4 31.gh4 Qh4 32.Re1-+) 29.Bg2? (better 29.gh4 Qh4 30.Bg2 Bg2 31.Kg2-/+) 29...Bg2-+ 30.Kg2 Bg5 31.f4 Bh6 32.g4 Qe6 (better 32...g5!? 33.f5-+) 33.g5 Qe4 (33...Bg5 34.fg5 Qd5 35.e4 Qd4 36.Rd1-+) 34.Kg3 (better 34.Qf3!? Rb2 35.Kg3-+) 34...Bg5!-+ 35.fg5 h5 (35...Rb3 36.Re1 Qd4 37.Qf2-+) 36.h4? (36.gh6 Kh6 37.Qf3 Qf3 38.Kf3 e6-/+) 36...e5?? (better 36...Rb3 37.Re1 e5-+) 37.Rd1?? (37.Qf3 Qf3 38.Kf3 ed4 39.ed4 Rb3 40.Kg2-/+) 37...Rb3-+ 38.Rd3 (38.Re1 ed4 39.Qf3 Re3 40.Re3 Qe3 41.Qe3 de3 42.Kf3-+) 38...Rd3 39.Qf3 Re3 40.Qe3 Qe3 41.Kg2 (41.Kh2 ed4 42.Kg2 d3 43.Kh2 d2 44.Kg2 d1Q 45.Kh2 Qdg1) 41...Qd4 (41...ed4 42.Kh2 d3 43.Kg2 d2 44.Kh2 d1Q 45.Kg2 Qdg1) 42.Kf1 e4 43.Ke2 (43.Kg2 Qd2 44.Kh3 e3 45.Kg3 e2 46.Kf3 e1N 47.Kg3 Qg2 48.Kf4 Qf3) 43...Qd3 (43...e3 44.Kf3 d5 45.Kg2 e2 46.Kh3 e1Q 47.Kg2 Qed2 48.Kf3 Q4e3) 44.Kf2 e3 45.Kf3 e2 46.Kf4 (46.Kf2 Qd2 47.Kf3 e1N 48.Kg3 Qg2 49.Kf4 Qf3) 46…e1N (46...Qc4 47.Kf3 e1Q 48.Kg2 Qd2 49.Kf3 Qcd3) ½-½. ch77essi988 (1685) - golik (1755), Rated Blitz game, lichess.org, 2019.

5.ab5 Qb6 6.e3+= Na6 7.Bf6 (7.Bd4!? Nc5 8.Nc3+/-) 7...Qf6= 8.Nc3 Nc5? (8...Nb4 9.Ra4 a5 10.ba6 Na6 11.Qf3+=) 9.Nf3 (better 9.d4 Bg7 10.Nd5+-) 9...b6+= 10.Nd5 (10.Bc4 e6+=) 10...Qd6 11.c4 Bb7 12.Nc3 (12.d4 Ne4=) 12...Bg7 (12...e5 13.d4 ed4 14.Qd4 Qd4 15.Nd4=) 13.Be2 (13.d4 0-0+=) 13...Ne4 (better 13...Bc3!? 14.dc3 Qd1 15.Bd1 a6=+) 14.Ne4+= Be4 15.d4 Qb4 16.Qd2 Qd2 17.Kd2 a5? (17...d6+/-) 18.Rhg1?? (better 18.ba6 Ra7 19.Rhg1+-) 18...h6+= 19.Nh4 (19.Ra4 d6+=) 19...Bf6 (19...e5 20.Bf3 Bf3 21.Nf3=) 20.Nf3 (20.Bf3 Bf3 21.Nf3 d6+=) 20...g5 (20...d5 21.cd5 Bd5 22.Kd3=) 21.h3 (21.Ra4 d6+=) 21...h5 22.Bd3 Bf3 (22...d5 23.Rgc1=) 23.gf3+= e5 24.d5 (better 24.de5!? Be5 25.Rac1+=) 24...e4=+ 25.Ra3? (25.Be4 Ba1 Discovered attack; 25.fe4 Ba1 Discovered attack) 25...ed3-+ 26.Rd3 (26.Ra4 Ke7-+) 26...a4 27.Ra3 Be7 (27...Ke7 28.Rb1 Be5 29.Rg1-+) 28.Ra2 Bb4 Black prepares a3 29.Kc2 a3 (29...Rg8 30.Kd3-+) 30.Kb3? (better 30.Rg5!? Be7 31.Rg2-/+) 30...Be7-+ 31.e4 (31.d6 Bd6 32.Rg5 Be7-+) 31...f6 32.Rd1 d6?? (better 32...Bd6!?-+) 33.Ra3 (33.f4 gf4 34.Ra3 Ra3 35.Ka3 f5 36.ef5 Rf8-+) 33...Ra3 34.Ka3 Kf7 (34...f5 35.ef5 Rf8 36.f4 Rf5 37.fg5 Bg5 38.Rg1-+) 35.Kb3 Ra8 36.Rg1 (36.Re1-/+) 36...Kg6 (better 36...f5!?-+) 37.f4=+ f5 38.fg5 (better 38.Re1!?=+) 38...fe4-+ 39.h4 (39.Re1 Rf8 40.Re4 Rf3 41.Kc2 Rf2 42.Kd3 Bg5 43.Re6 Rf6-+) 39...Rf8 40.Re1 (40.Ra1 Rf2 41.Ra7 Bf8-+) 40...Rf4 41.Kc3? (41.Rh1-+) 41...Rh4 42.Kd4 (42.Ra1 Rh3 43.Kd2 Bg5 44.Ke2 Rc3-+) 42...e3! (worse 42...Bg5 43.Re4 Rh3 44.Re6 Kf5 45.Rd6-+; 42...Kg5 43.Re4 Kf5 44.Rh4 Bh4 45.f3-+) 43.Ke3 Bg5 44.Kf3 Rf4 45.Kg3 (45.Kg2 Kf7 46.Re6 Be7-+ (46...Rc4?! 47.Rd6 Rg4 48.Kh1-+)) 45...h4 (45...Rc4 46.Re6 Kf5 47.Kf3-+) 46.Kg2 Rc4 (46...Rg4!? 47.Kh1 Rc4 48.Re6 Kf5 49.Rd6-+) 47.Re6 Kf5 48.Rd6 Rc5 (48...Rc3!? 49.f3 Rc2 50.Kh1-+) 49.Rb6 Rd5 50.Rb8 (50.Rb7 Rd3 51.Rf7 Bf6-+) 50...Be7 (better 50...Rd3!? 51.f3-+) 51.b6 Rb5 52.Rb7 (52.Re8 Bf6 53.Rb8-+) 52...Bc5 (better 52...Bd8-+) 53.Rh7 Bb6?? (better 53...Kg5!? 54.b7 Rb2-+) 54.Rh4 (better 54.Rh5!? Kg4 55.Rb5 h3 56.Kg1 h2 57.Kh2 Bf2 58.Kg2+=) 54...Rb2-/+ 55.Rh3 Rf2 56.Kg1?? (better 56.Kg3-/+) 56...Rf3 (56...Kg4 57.Rb3 Rb2 58.Kf1 Rb3 59.Ke1 Rb2 60.Kd1 Be3 61.Ke1 Rd2 62.Kf1 Kf3 63.Ke1 Rc2 64.Kd1 Rc1) 57.Kh2 (57.Kg2 Rf4 58.Rf3 Ke5 59.Rf4 Kf4=) 57...Rf2 58.Kh1 (58.Kg1 Kg4 59.Rb3 Rb2 60.Kh1 Rb3 61.Kh2 Kf3 62.Kh3 Rb5 63.Kh4 Bf2 64.Kh3 Rh5) 58…Rf1 (58...Rf1 59.Kg2 Rd1-/+) 0-1. AhmedSultanov (1750) - golik (1660), lichess.org, 2019.

5.ab5 Qb6 6.e3+= Qd8 7.Bf6 ef6 8.Nf3+=.

5.ab5 Qb6 6.e3 Bg7 7.c4 (7.Bd4!? Qd6 8.Ra7 Ra7 9.Ba7+/-) 7...a6+= 8.Nf3 d6 9.Be2 0-0 10.0-0 Nbd7 11.Bd4 (11.d4 Qc7+=) 11...Nc5 (11...Qc7 12.d3=) 12.Nc3 e5 (12...Be6 13.Bf6 Bf6 14.d4+=) 13.Bc5 (13.Ne5 de5 14.Na4 Na4 15.Bb6 Nb6 16.ba6 Ra6+/-) 13...dc5 (13...Qc5 14.d4 ed4 15.ed4 Qb6+=) 14.Na4 (better 14.Ne5!? Rd8 15.Nf3+=) 14...Qc7=+ 15.b6 Qc6 (better 15...Qe7=+) 16.Ne5+/- Qe6 (16...Qd6 17.f4+/-) 17.f4 (better 17.Nd3 Qc4 18.Ndc5+-) 17...Bd7? (better 17...Qd6+/-) 18.Nc5+- Qd6 19.Rb1 (better 19.d4+-) 19...Qc5-/+ 20.Bf3 Bc6?? (better 20...Bf5 21.Bb7 Rab8-/+) 21.Bc6+/- bc6 22.d4 (22.b7 Rae8+/-) 22...Qd6 23.c5 Qd5 24.Qa4 Attacks the isolani on c6 24...Ne4? (better 24...Qe4 25.Rb3 Rab8+/-) 25.Qc6+- Qc6 (25...Nc3 26.Qd5 Nd5 27.c6 Ne3 28.b7+-) 26.Nc6 Nd2 27.Rb2 (27.b7 Nb1 28.Rb1 Rae8+-) 27...Nf1 28.Kf1 Rfe8 (28...Rae8 29.b7 Re3 30.b8Q Rb8 31.Rb8 (31.Nb8?! Bd4 32.Rc2 Rb3 33.Na6 Ra3+-) 31...Bf8 32.Kf2+-) 29.b7 Rab8 (29...a5+-) 30.Nb8 Rb8 31.c6 (31.c6 a5 32.c7+-) 1-0. Zpytasz (1815) - titoo (1820), Rated Rapid game, lichess.org, 2016.

5.ab5 e6 6.e3 Be7 7.c4 (7.Nf3 0-0+=) 7...Rg8 (7...0-0 8.d4=) 8.Nf3+= d5 9.cd5 Nd5 10.Nc3 Nb4 11.Qa4 Nd7 12.b6 (12.d4!?+=) 12...Qb6 13.Bb5 (13.Nb5 a6=) 13...a6 (13...Nd3 14.Bd3 Qb2 15.Rb1+-) 14.Be2 (14.0-0 Rb8 15.Be2 Qd8=) 14...Qc7 (14...Kd8 15.0-0=) 15.0-0= b6 16.Rfc1 Qb8 17.Ba3 Nd5 (17...a5 18.Bb5 g5 19.Nd4+-) 18.Nd5+/- ed5 19.Be7 Ke7 20.Qh4 Kf8 21.Qh7 Nf6 22.Qh6 Ke7 23.Qg5 Rh8?? (23...Qd6 24.Ne5 Bb7+/-) 24.Ne5 Bf5 (24...Bd7 25.Bg4 Qd6 26.Nd7 Ra7+-) 25.Nc6 Ke6 26.Nb8 Rab8 27.Bg4! Bg4 (27...Bg4 28.Ra4 Double attack (28.Rc6 Deflection; 28.Ra4 Decoy); 27...Ng4 28.Ra4 Double attack (28.Ra4 Decoy)) 28.Rc6 Ke7 (28...Kd7 29.Qf6 Be6+-) 29.Qf6 Kd7 30.Qd6 Ke8 31.Rc7 Bd7 32.Qd7 Kf8 33.Qf7 1-0. Jimito100 (2010) - DrFrunkenstein (2175), Rated Bullet game, lichess.org, 2020.

5.ab5 Bg7 6.c4 0-0 7.Nf3 Qb6 8.e3 a6 9.Be2 d6 10.0-0 Bf5 11.Nh4 Bb1 12.Qb1 Nbd7 13.Bd4 Nc5 14.Bc5 (14.Nf3 ab5 15.cb5 Ra1 16.Qa1 e5 17.Bc5 Qc5+=) 14...dc5= 15.Bf3 (better 15.ba6 Qb1 16.Rfb1 ba6 17.Ra5=) 15...Ne4?? (better 15...Nd7 16.Ra2 ab5 17.Ra8 Ra8 18.Qb5 Qb5 19.cb5 Ra4=+) 16.Be4 (16.Qe4 Ba1 17.Ra1 ab5+/-) 16...Ba1+/- 17.Qa1 ab5 18.Qe5 e6 (18...bc4 19.Nf3 Rfb8 20.Qe7+/-) 19.cb5 (19.Rb1 b4+/-) 19...Qb5 (19...Ra4!?+=) 20.Rb1 Qe2 (20...Qc4 21.d3 Qa2 22.Rf1+/-) 21.Qc3 (better 21.Nf3!?+-) 21...Qg4+/- 22.g3?? (better 22.Bb7 Rfb8 23.Nf3+=) 22...Rab8?? (better 22...Qe4 23.d3 Qc6-+) 23.Bf3+- Qa4 24.Qc5 Rbd8 (better 24...b6 25.Qe7 Rfe8+-) 25.d4 (25.Bb7?! Rd2 26.Nf3 Rc2+-; 25.Rb7?! Qa1 26.Kg2 Rd2+/-) 25...Rc8 26.Qb4?? (better 26.Qb6+-) 26...Qb4= 27.Rb4 Rc1 (27...g5 28.Nf5 ef5 29.Rb7=) 28.Kg2+= Ra8?? (better 28...g5+=) 29.Bb7 Ra2 30.Kf3 (better 30.Be4!? Re1 31.Bd3 Rd1+-) 30...Rcc2 (30...Rf1 31.Kf4 h6 32.Nf3 g5 33.Kg4 Raf2 34.Rc4+/-) 31.Ke4 Rf2 32.Nf3 f5 (32...h6 33.h4+-) 33.Ke5 Ra7? (33...Kg7 34.Ng5+-) 34.Ke6 (better 34.Kf6 h6 35.Kg6 Rc2+-) 34...Re2 (34...Kg7 35.Rb3+-) 35.Rb3 (35.Kf6 h6+-) 35...Kg7 (35...Raa2 36.Bd5 Rab2 37.Kf6 Kh8 38.Ra3+-) 36.Ne5 (36.d5!? Re3 37.Re3 Rb7+-) 36...Rh2 (36...Raa2 37.Bc6 Ra6 38.d5 Rh2 39.Rb7 Kh6 40.d6+-) 37.Nf3 (37.d5 Rh6+-) 37...Rh3? (37...Rf2+-) 38.Bc8 (better 38.d5 Rg3 39.d6 Rf3 40.Bf3+-) 38...Rg3+/- 39.Ne5 (better 39.Bb7!?+/-) 39...f4=+ 40.ef4?? (better 40.Rb7 Rb7 41.Bb7 Re3 42.Bf3=) 40...Rb3-+ 41.d5 Rb6 42.d6 h5 43.Kd5 Rb8 (better 43...Ra5 44.Ke6 Rc5-+) 44.d7 Rd7 (44...Rb1 45.Nd3 Ra3-/+) 45.Bd7= h4 46.Bh3 (46.Nf3!?+=) 46...Rb3=+ 47.Be6 (47.Bg4 Rg3 48.Ke6 h3=+) 47...h3 48.Ke4?? (better 48.Ng4=+) 48...h2-+ 49.Bb3 h1Q 50.Nf3 (50.Kd4 Qg1 51.Kd5 Qg2 52.Kd6-+) 50...Qb1 51.Bc2 (51.Kd4 Qb2 52.Ke3 Qb3 53.Kf2 Qb6 54.Ke2 Kf6-+) 51...Qc2 52.Ke5 (52.Ke3 Kf6-+) 52...Qc3 (better 52...Qf5 53.Kd6 Qf4 54.Ne5-+) 53.Ke4 Kf6 54.Nd4 Qc4 55.Ke3 g5 (55...Qc1!? 56.Ke4-+) 56.fg5 Kg5 57.Nf3 Kf6 58.Nd4 Ke5 59.Nf3 Kd5 60.Nd2 Qc3 61.Ke2 Kc6 62.Nf3 Qc2 63.Ke3 Qc1 64.Kf2 Kd6 65.Kg3 Ke6 66.Kf2 (66.Kg4-+) 66...Kf5 67.Kg3 Qc3 68.Kf2 Kf4 69.Ng1 (69.Nh4 Qe3 70.Kf1 Qh3 71.Ke2 Ke4 72.Ke1 Ke3 73.Kd1 Kd3 74.Ke1 Qh4 75.Kf1 Ke3 76.Kg2 Qg5 77.Kh3 Kf3 78.Kh2 Qg2) 69...Qe3 70.Kg2 Qg3 (70...Qd2 71.Ne2 Qe2 72.Kh3 Qd2 73.Kh4 Qh2) 71.Kf1 (71.Kh1 Ke3 72.Ne2 Qg4 73.Kh2 Kf2 74.Nf4 Qf4 75.Kh3 Qg3) 71...Ke3 72.Ne2 (72.Nh3 Qh3 73.Kg1 Qg3 74.Kh1 Qg4 75.Kh2 Kf3 76.Kh1 Qg2) 72…Qf2 0-1. Zpytasz – titoo, Rated Rapid game, lichess.org, 2015.

5.ab5 Bg7 6.c4 d5 7.e3 Bd7 (7...0-0 8.Nf3=) 8.Nf3 (8.cd5 0-0+=) 8...dc4 (8...0-0 9.cd5 Nd5 10.Bg7 Kg7 11.Qb3+=) 9.Bc4+= a6 (9...0-0 10.0-0+=) 10.Ne5 Be6 11.Be2 (11.Be6 fe6 12.ba6 ba6 13.Qa4 Nbd7+=) 11...Nbd7 (11...0-0 12.d4=) 12.Nd7 Bd7 13.0-0 (13.ba6 ba6 14.Ba6 0-0+=) 13...Bb5 14.Bb5 ab5 15.Ra8 Qa8 16.Nc3 Nh5 (16...Qd8!?=) 17.Nb5+= Bb2?? (better 17...0-0 18.Bg7 Kg7+=) 18.Nc7+- Kd7 19.Na8 Ra8 20.Qb3 Bf6 (20...Rb8 21.Qb2 Nf6+-) 21.Qb7 (21.Qb7 Kd6 22.Rc1+-) 1-0. chessbit - mdsiddiq99, Rated Bullet game, lichess.org, 2019.

5.ab5 Bg7 6.e3 b6 7.Nf3 Bb7 8.d4 d5 9.Bd3 0-0 10.0-0 Nbd7 (10...a5 11.Ra4+=) 11.Nbd2+/- Qc8 12.c4 a6 13.cd5 Nd5 14.Qb3 ab5 15.Bb5 N7f6 16.Ra8 Ba8 17.Ne5 Rd8 18.e4 Nc7?? (18...Bh6 19.f4 Bf4 20.Rf4 Nf4 21.Qf7 Kh8 22.Qe7 Rf8+-) 19.Qf7+- Kh8 20.Qe7 Rf8 21.Rc1 Ne4 (21...Nfd5 22.ed5 Qf5 23.Ng6 Qg6 24.Rc7 Bd5+-) 22.Rc7 (22.Rc7 Qc7 23.Qc7 Nd2 24.Ba3+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

4.a4 d5

5.e3 Nbd7 6.Nf3 e5 (better 6...Bg7!?=) 7.Ne5+/- Bg7 8.Nf3 0-0 9.c4 cb5 10.ab5 dc4 11.Bc4 Ne5?? (11...Nb6 12.Be2+/-) 12.Be2 (better 12.Be5 Be6 13.Be6 fe6 14.d4+-) 12...Nf3 13.Bf3 Qb6 14.Nc3 Bd7 15.0-0 Nh5 (15...Rfd8 16.Qa4+/-) 16.Qb3 (16.Bh5!? gh5 17.Qh5 Qg6+-) 16...Be6 17.Nd5 Bb2 18.Qb2 (18.Nb6?! Bb3 19.Na8 Ba1 20.Ra1 Ra8 21.Bb7 Rd8+=) 18...Bd5 19.Bd5 Nf6 20.Bf3 Nd7 21.d4 Rac8 (21...Rfc8 22.Qa2+-) 22.h3 (22.Qa2 Rc7+-) 22...Nf6 (22...a6 23.Rfb1 ab5 24.Qb4+-) 23.Rfd1 (23.Qa2 Rc7+-) 23...Rfd8 (23...a6 24.Qe2 ab5 25.Rab1+-) 24.e4 (24.Qa3!? Ra8+-) 24...Ne8 25.d5 Nd6 26.e5 Nf5 (26...Nc4 27.Qe2+/-) 27.e6! fe6 28.de6 Qe6 (28...Nd4!? 29.Bb7! Rc2 30.Qb4+-) 29.Bb7+- (29.Ra7 Rd1 30.Bd1 Qe1 31.Kh2 Qd1 32.Qa2 Kh8 33.Qb2 Nd4 34.Rb7 Kg8=) 29...Rd1 30.Rd1 Re8?? (better 30...Rc5+-) 31.Bd5 1-0. brucepeng (1950) - ymonster (1975), lichess.org, 2021.

5.e3 Bg7 6.c4 (6.Nf3 0-0=) 6...dc4 7.Bc4 e6 (7...0-0 8.d4=) 8.Nc3 0-0 9.Nf3 cb5 10.ab5 a6 (10...Qc7 11.Qb3 b6 12.0-0+=) 11.0-0 Bd7 (11...Nbd7 12.d4+=) 12.d4+/- a5 (12...Nd5 13.Qb3+/-) 13.Na4 b6 14.Bc3 (better 14.Ne5+/-) 14...Qe8?? (14...Bc8 15.Qe2+=) 15.Rb1?? (better 15.Nb6 Ra7 16.Ra5+-) 15...Qd8 16.Ne5 Bc8 (16...Nd5 17.Bb2+/-) 17.Nc6 (17.Qf3 Nd5+/-) 17...Nc6 (17...Qc7!?+=) 18.bc6+/- Rb8 (18...Ne4 19.Be1+/-) 19.Ba5! Qc7 (19...ba5 20.Rb8 Pinning (20.Rb8 Deflection)) 20.Nb6 Qc6 21.Nc8 Qc4? (better 21...Rfc8 22.Rb8 Rb8+/-) 22.Rb8+- Rc8 23.Rc8 Qc8 1-0. AhmedSultanov (1690) - celiaco97, lichess.org, 2019.

3.b5 d6

4.a3 Bg7 5.c4 0-0 6.a4 (6.Nf3 Be6=+) 6...e5 7.e3 c6 (7...a6 8.d4=+) 8.Nc3 d5 9.d4 (9.cd5!? cd5 10.Rc1=+) 9...ed4-/+ 10.Qd4? (better 10.ed4 Re8 11.Be2 dc4 12.Nf3-/+) 10...Ne4!-+ 11.Qd3 (11.Ne4 Bd4) 11...Nc3?? (better 11...Bf5 12.bc6 bc6 13.Ne4 Bb2-+ (13...de4?! 14.Qd8 Rd8 15.Bg7 Kg7 16.Ne2=; 13...Be4?! 14.Qd2=+)) 12.Bc3=+ d4 (better 12...dc4!? 13.Qc4 cb5 14.ab5 Be6=) 13.Bd4+= Re8 (13...Bf5!? 14.Qc3 Bd4 15.Qd4 Qc7+=) 14.Bg7+- Qd3 (14...Kg7 15.Rd1 Qc7 16.Qd6 Qd6 17.Rd6+-) 15.Bd3+- Kg7 16.Nf3 Be6 17.0-0 (17.Nd4 c5 18.Ne6 Re6+-) 17...Rd8 18.Nd4 Kf6 19.Be2 c5 (19...a6!?+-) 20.Ne6+- Ke6 (20...fe6 21.Bf3 Nd7 22.Bb7+-) 21.Bf3 Rd7 22.Rfd1 Rc7 (22...a5 23.Rd7 Nd7 24.Bb7+-) 23.a5 Nd7 24.a6 Ne5 (24...Rb8 25.ab7 Nb6 26.Ra7+-) 25.Bd5 Ke7 26.ab7 Rb8 27.Ra7 (27.Ra7 Rd7 28.Rda1+-) 1–0. BeepBeepImAJeep (2745) – SergiIvanchuk (2470), lichess.org, 2020.

4.a4 e6 5.e3 a6 6.Nf3 ab5 7.ab5 Ra1 8.Ba1 Bg7 9.c4 0-0 10.h4 (10.d4 e5=) 10...b6 (10...e5 11.d4=) 11.Ng5 (11.Bf6 Qf6 12.h5 Bb7=) 11...h6 12.f4? (better 12.Nf3=+) 12...hg5-+ 13.hg5 Nh7 (13...Ne4 14.Bg7 Kg7 15.Qf3-+) 14.Bg7 Kg7 15.Qg4 (15.Qf3 e5-+) 15...Rh8 16.Bd3 (16.Qg3 c6-+) 16...e5 17.Qg3 ef4 18.Qf4 (18.ef4 d5-+) 18...c6 (18...Ng5 19.Rh8 Kh8 20.Be2-+) 19.Qd4 (19.Nc3 Be6-+) 19...Kg8 20.Nc3 c5 (20...Qg5?! 21.Qd6 Nd7 22.bc6=+) 21.Qf4 Qg5?? (better 21...Be6!? 22.Qh2-+) 22.Qd6?? (22.Rh7 Qf4 23.Rh8 Kh8 24.ef4 Be6+=) 22...Qg2?? (22...Nd7 23.Be4-+) 23.Rf1?? (23.Be4 Qg4 24.Qc7 Nd7 25.Qc8 Kg7+=) 23...Kg7?? (better 23...Nd7 24.Ne4 Kg7-+) 24.Qe5 f6 25.Qe7?? (better 25.Qb8 Rd8 26.Be2+/-) 25...Kh6-+ 26.Bg6?? (better 26.Qd6 Bh3 27.Rf2-+) 26...Qg6 (better 26...Qg3 27.Rf2 Kg6-+ (27...Qg6 28.Rh2 Kg5 29.Ne4 Kg4 30.d3+-)) 27.Rh1+/- Kg5 28.Rg1 (28.Qc7 Qg8 29.Nd5+- (29.Qb8?! Qc4 30.Qc7 Kg6=)) 28...Kf5?? (better 28...Bg4 29.Rh1 Qg8 30.Ne4 Kg6 31.Rh7 Qf8-+ (31...Qh7?? 32.Qf6 Kh5 33.Qg5; 31...Rh7?? 32.Qf6 Kh5 33.Ng3; 31...Qc4 32.Rg7 Kh5 33.Nf6 Kh4 34.Ng4 Kg3 35.Nf2 Qg4 36.Rg4 Kf3 37.Qf6)) 29.e4 (29.Qe4) 29...Kf4 30.Rg6 (30.Qd6 Kf3 31.Qd3 Kf4 32.Ne2 Ke5 33.Qd5) 30...Ng5 (30...Kf3 31.Qd6 Ng5 32.Qf6 Bf5 33.Qf5 Kg2 34.Qg5 Kf3 35.Qf6) 31.Qf6 Kg4 (31...Kg3 32.Qg5 Bg4 33.Qg4 Kh2 34.Qg2) 32.Qg5 Kf3 1-0. chessbit (1725) - LachonJ (1685), Rated Bullet game, lichess.org, 2021.

4.Qc1 e5=+ 5.a4 a6 6.e3 ab5 7.ab5 Ra1 8.Ba1 Nbd7 (8...Bg7 9.d4=+) 9.Nf3= Nb6 10.c4 Bg7 11.Bc3 (11.d4 e4 12.Nfd2 0-0=) 11...0-0 12.Be2 Be6 13.d3 Bh6 (13...Qe7 14.0-0=) 14.0-0 Qa8 (14...Qe7 15.Bb4 Bf5 16.c5=) 15.Qc2 Qa4 16.Qa4 Na4 17.Bd1 (17.Ba5!? b6 18.Bb4=) 17...Nc3=+ 18.Nc3 Ra8 19.Bb3 (19.Nd2 Bf5 20.Nde4 Ne4 21.Ne4 Be4 22.de4 Ra2=) 19...Ra3 (19...Bf5 20.Bc2=+) 20.Rb1= Bf8 21.h3 c6 (21...h6 22.Ne1=) 22.bc6 bc6 23.Ne2 (23.Ng5 Bf5 24.e4 Bc8=) 23...Nd7 24.Bc2 (24.Ng5 Bf5 25.e4 Nc5 26.ef5 Nb3 27.fg6 hg6=+) 24...Nc5 25.d4 (25.Nc1 Kg7=+) 25...ed4 (25...Bc4!? 26.Ng3 ed4 27.Nd4 Ra6-/+) 26.Ned4=+ Bc4 (26...Ra2 27.Rb6=+) 27.Nc6= Bd5 28.Ncd4 (28.Nfd4 f5=) 28...Bf3 (28...Ra2 29.Rb8=) 29.Nf3 Kg7 30.Ne1 (30.Nd4 Ra2=) 30...Rc3 31.Rb2 (31.Bd1 d5=) 31...Be7 32.Kf1 Bf6 33.Ra2 h5 34.Ke2 Bh4 35.Kd2 Rc4 (35...Bf6 36.Nd3=) 36.g3 (36.Bd3 Nb3 37.Kd1 Rc1 38.Ke2 Rc3=) 36...Bf6 37.Nd3 Bc3 38.Ke2 Nd3 (38...h4 39.g4=) 39.Bd3 Rc5 40.Rc2 (40.g4 hg4 41.hg4 Kf6=) 40...Bb4 (40...d5 41.Ba6=) 41.Rc5 (41.Rc4 Bc3+=) 41...Bc5 (41...dc5 42.e4=) 42.Kf3 (42.e4 Bd4+=) 42...f5 (42...d5 43.g4=) 43.h4 (43.Bc4 Kf6+=) 43...Kf6 (43...d5 44.Ke2=) 44.Bc4+= Ke5 45.Bf7 Kf6 46.Bc4 Bb4 (46...Ke5 47.Bg8=) 47.e4 (47.Bd5 Be1+=) 47...fe4 48.Ke4 g5 49.hg5 Kg5 50.Kf3 Be1 51.Be6 Kf6 52.Bg8 Ke5 (52...Kg5 53.Bd5=) 53.Bf7 (53.Ke2 Bb4+/-) 53...d5 (53...h4 54.gh4 Bf2 55.h5+=) 54.Bh5+/- d4 55.Bg6 Kd5 56.Bd3 Ke5 57.g4 (57.Ke2 Bb4+-) 57...Kf6? (57...Bd2 58.Be4+=) 58.Kg3 (better 58.Ke2!? Bb4 59.f4+-) 58...Kg5+= 59.Kf3 (59.Bf5 Kf6+/-) 59...Bc3 (59...Bf2!? 60.Kf2 Kg4=) 60.Bf5 (60.Bh7 Bd2+=) 60...Be1+= 61.Kg3 Kf6 62.Kf3 Ke5 (62...Kg5 63.Bc8+=) 63.Bd3 Kd5?? (better 63...Kf6=) 64.g5 Ke5 65.g6 Kf6 66.Ke2 Bc3 67.f4 Bb4 68.Kf3 Bc5 (68...Bc3 69.f5+-) 69.f5 (69.Ke4 Ke6+-) 69...Bf8 70.Ke4 Bc5 71.Kd5 Ba7 72.Kc4 Kg7 73.Kd5 Kf6 74.Kd6 Kg7?? (better 74...Bb6+-) 75.Ke6 Kg8 76.f6 Bc5 (76...Kf8 77.g7 Kg8 78.Bc4 d3 79.Kf5 Kh7 80.g8Q Kh6 81.Qg6) 77.f7 (77.g7 Ba3 78.Bg6 d3 79.Bf7 Kh7 80.g8Q Kh6 81.Qg6) 77...Kg7 78.Kd5 (78.Kd5 Ba7 79.Kd6+-) 1-0. ch77essi988 (1695) - tammi (1715), Rated Blitz game, lichess.org, 2020.

4.c4 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Bg7 8.e3 0-0 9.Nc3 e5 10.Nf3 Bg4 11.Be2 Qc8 (11...e4 12.Nd4 Be2 13.Qe2=) 12.h3 Bd7 13.0-0 h5 (13...Re8 14.e4+=) 14.Qc2 Kh7 15.d4 (15.e4 Be6+/-) 15...ed4+= 16.Nd4 Bh3 (better is 16...Kg8!?+/-) 17.gh3+- Qh3 18.Ne4 (18.Nf3 Kg8+-) 18...Ng4?? (better is 18...Ne4 19.Qe4 Be5+-) 19.Ng5 (19.Ng5 Kg8 20.Nh3+-) 1–0. DEFFM – GuestJZNY, freechess.org, 2018.

4.c4 b6 5.e3 Bg7 6.Nf3 Bb7 7.a4 0-0 8.Be2 Nbd7 9.Nc3 a5 10.0-0 Nc5 11.Rc1 e5 12.d4 ed4 13.Nd4 (worse 13.Qd4 Nb3 14.Qd3 Nc1 15.Rc1 Ne4-/+; 13.ed4?! Nce4+=) 13...Nfe4 14.Ne4 Be4 15.Bf3 (15.Bc3 Re8=) 15...f5 (15...Bf3 16.Qf3 Na4 17.Nc6=+) 16.Be4 Ne4?? (16...fe4 17.Ba3=) 17.Qc2 (better 17.Ne6 Qc8 18.Ng7+-) 17...Qh4 18.g3 Qh6 19.Ne6 Kf7?? (better 19...Bb2 20.Qb2 Rf7=) 20.Nf8 (better 20.Bg7 Qh5 21.Nf8+-) 20...Rf8 21.Bg7 Kg7 22.Rcd1 Re8 23.c5! Nc5 (23...bc5 24.Qc4 Combination; 23...dc5 24.Rd7 Double attack; 23...Nc5 24.Qb2 Combination) 24.Rd5 Re4 25.Kg2 Qg5 26.Rc5 (better 26.Rfd1+/-) 26...dc5=+ (worse 26...bc5 27.Qc3 Qf6 28.Qa5+=) 27.Qd3 (27.Rd1 Qf6=+) 27...Qe7 28.Rd1 (28.Qc2 Rb4-/+) 28...Re6 (better 28...Ra4!? 29.Kg1 Rb4-+) 29.Qd7 Kf6 30.Qd3 (30.Qc8 Rd6 31.Rd6 cd6=+) 30...Re4 (30...Rd6!? 31.Qc3 Qe5-/+) 31.Qc3=+ Kf7 (better 31...Kg5!? 32.Qa3 Rb4-/+) 32.Qh8+= Ke6?? (32...Ra4 33.Rd8 c6 34.bc6 Re4+-) 33.Qg8?? (better 33.Rd8 Ra4 34.Re8+-) 33...Qf7 34.Qc8 Kf6 35.Rd7 Re7 36.Rd1 Qe6 37.Qd8 Qe4 38.Kg1 Kf7 (38...Kg7 39.Rd7 Rd7 40.Qd7 Kh6 41.Qc7 Qa4 42.Qb6=+) 39.Qh8= Qa4 40.Qh7 Kf6 41.Qh8 Kf7 42.Qh7 Kf6 43.Qh8 Ke6 44.Qg8 Ke5 45.Qh8 Ke4?? (45...Ke6 46.Qg8 Ke5 47.f4 Kf6+=) 46.f3! Kf3 47.Rf1 Ke4 (47...Ke3 48.Qc3 Ke4 49.Rf4 Kd5 50.Ra4+-) 48.Qh4 Ke5 49.Qa4 Rd7 (49...Kd5 50.Qb3 Ke5 51.e4+-) 50.Qf4 Kf6 51.Re1 (51.e4 Rd4+-) 51...Re7 (51...g5 52.Qf3 Re7 53.Rf1+-) 52.e4 g5 (52...Kf7+-) 53.Qf5 Kg7 54.Qg5 Kf7 (54...Kf7 55.Rf1 Ke8 56.Qg8 Kd7 57.Rd1; 54...Kh7 55.Qe7 Kh6 56.g4 a4 57.h4 a3 58.Rf1 a2 59.Rf6). brucepeng (1990) - Carlos_junior2019 (1965), lichess.org, 2020.

4.c4 Bg7 5.e3 0-0 6.a4 c5 (--> 3.b5 Bg7 4.a4 0-0 5.c4 d6 6.e3 c5).

4.e3 b6 5.c4 Bg7 6.Nf3 Nbd7 7.d4 Bb7 8.Be2 e6 9.Nc3 Qe7 10.a4 a6 11.0-0 ab5 (11...0-0 12.Qd3+=) 12.Nb5 (12.ab5 0-0+=) 12...0-0 (better 12...Nb8!?=) 13.Nc7+/- Rac8 14.Nb5 d5? (better 14...Bf3 15.Bf3 Rc4+-) 15.Ba3+- Qd8 16.Bf8 (16.Nd6 Rc7 17.Nb7 Rb7 18.Bf8 Bf8+-) 16...Qf8 17.Nd2 dc4 18.Nc4 Nd5 (18...Bd5 19.Rc1+-) 19.Ncd6 Rb8 20.Nb7 Rb7 21.Bf3 Rb8 22.Qb3 N7f6 23.Qa3 Qd8 24.Qd6 Qc8 (24...Qd6 25.Nd6 Bf8 26.Nb5+-) 25.Rfc1 Qa6 (25...Qf8 26.Qg3+-) 26.Rc6 (26.Qb8 Bf8 27.Bd5 Nd5+-) 26...g5 (26...Rc8 27.Bd5 Nd5 28.a5+-) 27.h3 (better 27.Qb8 Bf8 28.Bd5 Nd5+-) 27...h5 (27...Rc8+-) 28.Bd5 (28.Qb8 Kh7+-) 28...Nd5 (28...Qb7 29.Be6! Ne8 30.Qb8 Qb8 31.Rc8+-) 29.e4 (29.Qb8 Kh7+-) 29...Nf6 (29...Qa8 30.ed5 Rd8 31.Qe7 ed5 32.Rb6+-) 30.d5 (30.Qb8 Kh7 31.Rc7 Qa5 32.Rf7 Kg6+-) 30...Bf8 (30...Re8 31.Rb6 Qc8 32.de6 fe6+-) 31.Qe5 (better 31.Qb8 Kg7 32.de6+-) 31...Nd7 32.Qg5 Bg7 33.de6 Nc5 (33...Ne5 34.Rc7 Qa8 35.ef7 Nf7+-) 34.ef7 Kf7 35.Rc7 Kg8 (35...Nd7 36.Rd7 Kf8 37.Qg7 Ke8 38.Qe7) 1-0. ClayPigeons (2160) - oakenbough (2115), Rated Bullet game, lichess.org, 2020.

4.g4 e5 5.g5=+ Nd5 (5...Nh5 6.h4=+) 6.h4 (6.d4!? e4 7.c4=) 6...Bg7 7.f4 (7.Nh3 Nb6=+) 7...0-0 (7...Nf4 8.e3 Ne6 9.Nf3-+) 8.h5? (8.fe5!? Be5 9.Be5 de5 10.e4=+) 8...ef4 (8...Nf4!? 9.hg6 fg6 10.Nf3-+) 9.Bg7-/+ Kg7 10.h6 (10.Nf3 Bg4 11.Bg2 Bh5-/+) 10...Kg8-+ 11.Nf3 Bg4 12.Bg2 Bf3 (12...Re8 13.c4 Nb6 14.Qb3-/+) 13.Bf3 Qg5 (better 13...c6 14.Bd5 cd5-/+) 14.Rf1?? (better 14.c4 Ne7 15.Bb7=) 14...c6 (better 14...Qg3 15.Rf2 Ne3-+) 15.c4?? (15.Bd5 Qd5 16.Nc3 Qg5-+) 15...Nf6 (better 15...Qg3 16.Rf2 Ne3 17.de3 fe3-+) 16.Nc3 Nbd7 17.bc6 (17.Qa4 Ne5 18.Bh1 f3 19.Bf3 Qh4 20.Kd1 Nc4-+) 17...bc6 (better 17...Qh4 18.Rf2 Ne5 19.cb7 Neg4 (19...Nf3?! 20.ef3 Rae8 21.Ne2-/+) 20.Bg4 Ng4-+) 18.Bc6?? (18.Qa4 Rfc8-+) 18...Rac8 (better 18...Qh4 19.Rf2 Ng4-+) 19.Bd7 Nd7 (better 19...Qh4 20.Rf2 Nd7-+) 20.Ne4? (better 20.Qa4 Ne5 21.Qa7-/+) 20...Qh4-+ 21.Rf2? (21.Nf2 Rc4 22.Rc1-+) 21...Nf6 (better 21...Qh1!? 22.Rf1 Qe4 23.d3-+) 22.d3?? (better 22.Nf6 Qf6 23.Rc1-/+) 22...Ne4 (22...Ng4!? 23.Qa4 d5 24.cd5-+) 23.de4 Qh1 (23...Rc4 24.Qd3 Rfc8 25.Qf3 Qh6 26.Rd1-+) 24.Rf1 Qe4 25.Qd6 (25.Rc1 Rfe8 26.Qc2 f5-+) 25...Rce8 (25...Rc4?! 26.Qf6 Qd4 27.Rf4 Qf6 28.Rf6-+) 26.Rf2 (26.Qd2 f3 27.e3-+) 26...Qe6 (better 26...Qh1 27.Rf1 Qh4 28.Kd2 Rd8-+) 27.Qf4 f5 28.Qd4 Rf7 29.Rd1 Rfe7 (29...Rc7 30.Rc1-/+) 30.Rd2 (30.Qd5 Kf7=) 30...Qc6 (30...Rb8 31.Qd3=+) 31.Rh2 (31.Qd5 Qd5 32.cd5 Rd7=+) 31...Qb7 (31...Qc7 32.Rg2=+) 32.Rb2 (32.Qd5!? Qd5 33.cd5=+) 32...Qc7-/+ 33.Rg2 (33.Qd5 Kf8 34.Rf2 Rc8-/+) 33...Qa5 (33...Rd7 34.Qc3-/+) 34.Kf1 (34.Qd2 Qd2 35.Kd2 Rd7 36.Kc2 Re4 37.Rb8 Kf7-/+) 34...Qc7 (34...Rd8 35.Rb5 Rd4 36.Ra5 Rc4 37.Rf5 Rc1 38.Kf2 Rc2-/+) 35.Rc2?? White intends c5 (35.Ke1 Rd7 36.Qc3 Red8-/+) 35...Qa5 (35...Rd7 36.Qa1 Qf4 37.Kg1 Qe3 38.Kf1 Red8-+ (38...Qh6?! 39.Qb1-+)) 36.c5 Qa3 (36...Rd8 37.Qc3 Rd1 38.Kf2 Qc3 39.Rc3=+) 37.c6 Qa5 38.Qc4 Kh8 (38...Rf7 39.Rb2 Kf8 40.Rf2=) 39.Qd4 (39.c7 Rc8 40.Rg3 Qe5+-) 39...Kg8= 40.Qd6 White prepares c7 40...Qe5 (40...Qb6 41.Qd5 Rf7 42.Qb3=) 41.Qe5+= Re5 42.Rg3 Rc8 43.c7 Re7 44.Rgc3 Kf8 45.Kf2 Kf7 46.Rc6 Re6 47.R6c5 Kf6 48.a4 (48.Ra5 a6+=) 48...Kg5 (48...Re7=) 49.a5 (49.Ra5!? a6 50.e4=) 49...Kh6 50.Rd2 (50.Rb5 Re7 51.Rb7 a6=+) 50...Re7-/+ 51.Rdc2 Kg5 52.a6 (52.Rc6 h5-/+) 52...h5-/+ 53.Rc6 (53.R2c4 Kf6-/+) 53...h4 54.Kg2 Kf4 (54...Kh5 55.Kf3-/+) 55.R2c4 Ke3 (55...Re4 56.e3 Ke3 57.Rc3 Kd4 58.R3c4 Ke5 59.R4c5 Kf4 60.Rg6 Re2 61.Kh3 Re3 62.Kh2=+) 56.Rc3? (better 56.Kf1 Re4 57.Rc3 Kf4 58.Rg6=) 56...Ke2-/+ 57.Rc2 (57.Rg6!? Rcc7 58.Rc7 Rc7-/+) 57...Ke3-+ 58.R2c3 (58.R6c4 Rd7-+) 58...Kf4 59.R3c4 Kg5 (59...Re4 60.R4c5 Re2 61.Kh1-+) 60.Rc3 (60.Kh3 Re4-+) 60...Re2 (60...Kh5 61.Rc1-+) 61.Kh3? (better 61.Kg1-/+) 61...Re7 62.Rg3?? (62.Kg2 Kh5-+) 62...Kh6 (better 62...hg3 63.Kg3 Rec7-+) 63.Rgg6 (63.Rcg6 Kh7 64.Kh4 Rcc7=) 63...Kh7 (63...Kh5 64.Rh6 Kg5 65.Rhg6 Kf4 66.Rc4 Ke5 67.Rgc6=) 64.Rg5 Rg7 (64...Rg7 65.Rg7 Kg7 66.Kh4 Kf7=) 0-1. chessbit (1785) - kelvobaba (1735), Rated Rapid game, lichess.org, 2017.

4.g4 Bg4!? 5.Bg2 c6-/+.

4.a4 Nbd7

5.c4 Bg7 6.e3 a6 (6...e5 7.d4=) 7.Nf3= Nh5 (7...0-0 8.d4=) 8.Bg7 Ng7 9.Nc3 e6 (9...ab5 10.ab5 Ra1 11.Qa1+=) 10.Be2 Nc5 (10...ab5 11.ab5 Ra1 12.Qa1+=) 11.d4+/- Nd7 12.0-0 ab5 13.ab5 Ra1 14.Qa1 Qe7 15.Nd2 (15.Qa5 Nb6+/-) 15...0-0 16.Bf3 c6 (16...e5!?+/-) 17.bc6+- bc6 18.Bc6 Nf6 19.Nce4 (19.Rb1 Qc7 20.Bf3 e5+-) 19...Nd7 (19...Ne4 20.Be4 f5 21.Bf3+-) 20.Qa3 Nb8 21.Bb5 Rd8 22.Nf3 (22.c5 dc5 23.Qc5 Qc5 24.dc5 f5+-) 22...Bb7 23.Ned2 Nf5 (23...g5 24.Rb1 g4 25.Ne5+-) 24.e4 Nh4 25.d5 (25.Qe3 Nf3 26.Nf3 Rc8+-) 25...ed5 (25...Nf3 26.Qf3 Qg5 27.Qd3+-) 26.ed5 Nf5? (better 26...Nf3 27.Nf3 Nd7+-) 27.Re1 Qf6 (27...Qc7+-) 28.Qa7 Bc8 (28...Bd5 29.cd5 Kh8 30.Ne4+-) 29.Qb8 Nd4 (29...Rf8+-) 30.Ba6 (better 30.Nd4 Qd4 31.Ne4+-) 30...Ba6+/- 31.Re8 Re8 32.Qe8 Kg7 33.h3 (better 33.Ne1!?+/-) 33...Nf3= 34.Nf3 Bc4 35.Qe4 (35.Qa8 Qb2 36.Qc6 Qc1 37.Kh2 Qf4 38.Kg1 Qe4 39.Qd6 Bd5=) 35...Qa1 (35...Ba2 36.Qd3=+) 36.Kh2 Bb5 (36...Qa2!? 37.Qf4 Bd5=+) 37.Nd4 (37.Qb4 Qa6+/-) 37...Bd7 38.Nc6 Bc6 (38...Qf6 39.f4+=) 39.dc6+/- Qa6?? (better 39...Qc3!?+/-) 40.Qd5 (better 40.c7 Kf6 41.Qe8 h5+-) 40...Kf8?? (better 40...Qb6 41.Qd6 Qf2+-) 41.Qd6 Ke8 42.Qd7 Kf8 43.c7 Kg7 44.c8Q Qf6 45.Qcd8 (45.Qde8 Qf4 46.Kg1 Kh6 47.Qc5 Qb8 48.Qcf8 Kg5 49.Qee7 f6 50.Qef6 Kh5 51.g4) 45...Qf4 46.g3 (46.Kg1 Qc1 47.Qd1 Qd1 48.Qd1 h6+-) 46...Qf6?? (better 46...Qf2 47.Kh1 Qf1 48.Kh2 Qf2 49.Kh1 Qf1 50.Kh2 Qf2=) 47.Qd4 h6 48.Q4f6 Kh7 49.Qdh8 (49.Qf7) 1-0. KLINGON09 (1750) - lapuissance203 (1760), lichess.org, 2020.

5.e3 a6 6.c4 ab5 7.ab5 Ra1 8.Ba1 c6 9.Nf3 Bg7 10.Nc3 0-0 11.Be2 e5 12.bc6 bc6 13.0-0 Nc5 14.d4 ed4 15.Nd4 (15.Qd4? Nfe4 16.Qg7 Kg7 17.Ne4 f6 18.Nc5 dc5-+; 15.ed4?! Nfe4+=) 15...Qa5? (better 15...Qc7=) 16.Nc6+- Qc7 17.Nd4 (17.Bf3 Ba6+-) 17...Ba6 (17...Rd8 18.Nd5 Nd5 19.cd5+/-) 18.Qc1 (better 18.Ndb5!? Qc8 19.Qd6+-) 18...Ra8 19.Nd5?? (better 19.Ndb5 Bb5 20.Nb5+/-) 19...Nd5-+ 20.cd5 Be2 21.Ne2 Ra1 22.Qc2 Rf1 23.Kf1 Qb7 24.Qd2 (24.Qd1 Be5-+) 24...Qb1 25.Nc1 (25.Qe1 Qd3 26.Kg1-+) 25...Nb3 26.Ke2 (26.Qd1 Nc1 27.h3 Qb5 28.Kg1 Ne2 29.Kh2 Nc3-+) 26...Qc1 (26...Nd2 27.Kd2 Qb2 28.Kd1-+) 27.Qb4 (27.Qc1 Nc1 28.Kd2 Nb3 29.Kd3 Nc5 30.Kc4-+) 27...Qd2! 28.Kf3?? (28.Qd2 Nd2 Combination) 28…Qb4 (28...Qb4 29.g4 Nd2 30.Ke2 Bc3 31.f3 Qb5 32.Kf2 Qf1 33.Kg3 Ne4 34.Kf4 Be5 35.Ke4 Qc4) 0-1. brucepeng (1965) - ziadarnaout (1985), lichess.org, 2020.

5.Nf3 e5=.

4.e3 Bd7

5.d4 Bg7 6.a4 0-0 7.Nf3 c6 8.bc6 Nc6 9.Nbd2 e5 (9...Qb6 10.Nb3=+) 10.de5= de5 (better 10...Ng4=) 11.Bc1?? (better 11.Ne5 Ne5 12.Be5=) 11...e4-+ 12.Nd4 Nd4 13.ed4 Nd5 (13...Bg4!? 14.Be2 Qd4-+) 14.Bb2 Qb6 (14...e3 15.Nc4 Re8-/+) 15.Qc1 (better 15.Nc4!? Qc7 16.Qd2-/+) 15...Bd4-+ 16.Bd4 Qd4 17.Nb3 Qb4 18.Qd2 Qd2 (18...Rfd8 19.Nd4-+) 19.Nd2 Rfe8 20.Be2 (20.a5 Rac8 21.c4 Nb4-+) 20...f5 (20...e3 21.Nc4-+) 21.0-0 (21.Bc4 Be6-/+) 21...Kg7 22.Nc4? (better 22.Rfb1 Rab8 23.Rb3-+) 22...Nc3 23.Bd1 Rac8 (better 23...Red8-+) 24.Nd6-/+ Bc6 (24...Ba4 25.Re1-/+) 25.Nc8 (25.Ra3 Ba4 26.Ne8 Be8 27.Ra7-/+) 25...Rc8-/+ 26.Ra3 (better 26.a5-/+) 26...Nd5?? (26...Ba4 27.Re1 b5-+ (27...Nd1?! 28.Ra4 Nc3 29.Ra7=)) 27.Ra1 (27.c4 Nf4=) 27...Nf6 (27...Rd8 28.c4 Nf4 29.Ra2=+) 28.a5 Bb5 (28...Bd5 29.Ra3=) 29.Re1 Nd5 30.Be2 Be2 31.Re2 Nc3 32.Ree1 (32.Rd2 Rc7=) 32...Nd5 (32...Kf6 33.Ra3=) 33.Kf1 (33.Red1!? Nf6 34.Rab1+=) 33...Rc2= 34.g3 (34.Rec1!? Rc1 35.Rc1=) 34...b6 35.Red1 Nc3 (35...Rc5!?-/+) 36.Rd7= Kf6 (36...Kh6 37.h3=) 37.Ra7 ba5 38.R7a5 (38.R1a5 e3 39.fe3 Rh2+=) 38...Ne2 (38...e3 39.fe3 Rh2 40.Kg1=+) 39.Kg2 (39.Ra7 Nc1+=) 39...Nd4 (39...Nc1 40.h4=) 40.R5a2 Ne2?? (better 40...Ra2 41.Ra2 h6+=) 41.Rc2+- Nd4 (41...f4 42.Rc4 f3 43.Kh3+-) 42.Rc7 Nc2 (42...Nf3 43.Rh7 g5 44.Ra5+-) 43.Raa7 (43.Ra6 Kg5 44.h4 Kg4 45.Rc2 Kh5 46.Rc7 h6 47.Rcc6 e3 48.Rg6 f4 49.Kf3 fg3 50.Rh6) 43...Kg5 (43...Ne1 44.Kf1 Nd3 45.Rh7+-) 44.Rh7 (better 44.Rc2 Kf6+-) 44...Kf6 45.Rhf7 (45.Ra6 Ke5+-) 45...Ke5 (45...Ke6 46.Rg7 Kf6 47.Raf7 Ke6 48.Re7 Kd5 49.Rg6 Ne1 50.Kf1+-) 46.Rfe7 (46.Ra5 Ke6 47.Rb7 Kf6+-) 46...Kd4 (46...Kf6 47.Rec7 Ne1 48.Kf1+-) 47.Red7 Kc3 (47...Ke5 48.Ra5 Ke6 49.Rb7+-) 48.Rdc7 (48.Rdc7 Kd3 49.Ra6+-) 1-0. chessovolution (1680) - votetoB (1660), Rated Bullet game, lichess.org, 2021.

5.Nf3 c6 6.c4 cb5 (6...Bg7 7.Be2=) 7.cb5 Bg7 8.a4 0-0 9.Be2 Re8 10.d4 e5 (10...Qa5 11.Qd2 Qd2 12.Nbd2+=) 11.Nbd2 (better 11.de5 de5 12.Be5+/-) 11...e4=+ 12.Ng1 Nd5 13.Nc4 Qh4 (13...Qg5 14.Bf1 (worse 14.Nd6 Re6 15.Ne4 Re4-/+) 14...Qf6 15.Qb3=) 14.g3 (worse 14.Nd6 Ne3 15.Qb3 Ng2 16.Kf1 Re6 17.Ne4 Re4 (17...Qe4?! 18.Bf3 Qf4 19.Kg2 Qg5 20.Kf1=+) 18.Kg2 Bd4 19.Bd4 Rd4-+) 14...Qe7 (better 14...Qf6=) 15.Bg4?? (better 15.Ba3!? Nc3 16.Qd2 Ne2 17.Qe2+=) 15...f5 (15...Bg4!? 16.Qg4 Nb4-+) 16.Bh3 a6 (better 16...Rf8=+) 17.Ne2? (better 17.Ba3!? ab5 A) 18.Bd6? Qe6 19.Bb8 bc4-+ (19...Rab8?! 20.ab5 Bb5 21.Nd2-/+); B) 18.Nd6 ba4 19.Bg2=+) 17...ab5-+ 18.ab5 Ra1 19.Ba1 Qf6 (19...Bb5 20.Qb3 Bc6 21.Bg2-+) 20.0-0 (better 20.Qb3 Be6 21.0-0=+) 20...Qg5?? (better 20...Bb5!? 21.Qb3 Bc6-/+) 21.Bg2 (21.Qb3!? Be6 22.Nd6+=) 21...Bf8 (21...Bb5? 22.Qb3 Bc6 23.Nb6+- (23.Nd6?! Rd8 24.Nb7 Bb7 25.Qb7 h6+/-)) 22.f4 (22.Nf4 Nf4 (22...Bb5? 23.Qb3+-) 23.ef4 Qe7=) 22...Qg4 23.Nc3? (better 23.Re1=+) 23...Bb5?? (better 23...Qd1 24.Rd1 Nc3 25.Bc3 Rc8-+ (25...Bb5?! 26.Nb6-/+)) 24.Nd5 (24.Nd5 Qd1 25.Rd1 Bc4 26.Nf6 Kf7 27.Ne8 Ke8 28.Rb1+=; 24.Nb5?! Qd1 25.Rd1 Rc8+-) 1-0. cucosant2 (1650) - Kost1s (1645), Rated Bullet game, lichess.org, 2020.

5.Nf3 Bg7 6.Bc4=.

4.Nf3 Bg7

5.d3 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 0-0 9.e4 c6 10.bc6 bc6 11.Nbd2 Nbd7 12.Be2 Ba6 13.0-0 Qa5 14.Nb3 Qb6 15.Bd4 Qb7 16.Na5 (16.e5 de5 17.Ne5 Qc7 18.Nd7 Qd7+=) 16...Qc7= 17.Bc3 (17.Nb3=) 17...Ng4 (better 17...Ne4!? 18.Bg7 Kg7=+) 18.Bg7+= Kg7 19.Nb3 Nge5 20.Nfd4 (20.Nfd2 Nb6+=) 20...Rb8 (20...c5 21.Nf3=) 21.f4+= c5 22.Nf3 (better 22.fe5 cd4 A) 23.Nd4? Qa7-+ (23...Ne5?! 24.Nb3=; 23...de5?! 24.Nb3=); B) 23.e6 fe6 24.Qa1= (24.Nd4? Qa7-+)) 22...Nc6?? (22...Nf3 23.Rf3 Bb7 24.Re3=) 23.e5?? (better 23.Qa1 Nd4 24.Nbd4 cd4 25.Qa6+-) 23...de5=+ 24.fe5 Nce5 25.Ng5 (better 25.Qa1 c4 26.dc4=+) 25...f6?? (25...Nf6 26.Qd2-/+) 26.Ne4 (better 26.Ne6 Kg8 27.Nc7+-) 26...c4-/+ 27.Nd4? (27.dc4 Bc4 28.Bc4 Qc4-/+) 27...cd3 (better 27...Qb6 28.dc4 Nc4-+ (28...Bc4?! 29.Kh1-/+)) 28.cd3?? (better 28.Bd3 Bc4 29.Bc4 Qc4 30.Rf4-/+) 28...Rd8 (better 28...Qb6-+) 29.Ne6+- Kf7 (29...Kh8 30.Nc7 Bb7 31.d4+-) 30.Nc7 Rc8 31.Nd5 (31.Na6 Kg7+-) 31...e6 (31...Kg7 32.d4 Be2 33.Qe2+-) 32.Nf4 (32.Nef6 Nf3 33.Bf3 Ne5+-) 32...Nc5 (32...Rc6 33.d4 Be2 34.Qe2+- (34.de5?! Bd1 35.Rd1 Ne5+/-)) 33.Nd6 Ke7 34.Nc8 Kd7 35.d4 Ne4 36.de5 Kc8 (36...Nd2 37.Qa4 Kc7 38.Rc1 Nc4 39.Ne6 Kc8 40.Qc6 Kb8 41.Qc7 Ka8 42.Bf3 Bb7 43.Qb7) 37.Ba6 Kc7 38.Qd6! Nd6 39.ed6 Kd6 40.Rd1 (40.Rd1 Ke5 41.g3+-) 1-0. alessandrocarvalhaes (1910) - TOLUTKO (1955), lichess.org, 2020.

5.g3 0-0 6.Bg2 a6 7.c4 ab5 8.cb5 c6 9.a4 cb5 10.ab5 Ra1 11.Ba1 Qb6 12.Nc3 Nbd7 13.0-0 Ne5 14.Ne5 de5 15.e3 (15.Qb3 Rd8 16.d3 Bd7+=) 15...Bd7 Exerts pressure on the isolated pawn (15...Rd8 16.Qc1=+) 16.d4 ed4 17.ed4 (better 17.Qd4 Qd4 18.ed4=) 17...Bb5?? (17...Bg4 18.Qb3=) 18.Nb5?? (better 18.Qb3+-) 18...Qb5=+ 19.Re1 (19.Qb1 Qd7 20.Qb7 Qb7 21.Bb7 Rb8=) 19...e6 20.Qc2 (20.Qb1 Qa5=+) 20...b6 (20...Qd7 21.Qb3-/+) 21.Rb1=+ Qa5 22.Qb2 (22.Qc6!?=+) 22...Rb8 23.Qe2 b5 (better 23...Nd5-/+) 24.Bc3?? (24.d5 ed5 (24...Nd5? 25.Bg7 Rd8 26.Ba1+-) 25.Bf6 Bf6 26.Bd5 Kg7-/+) 24...Qa4 (better 24...Qc3 25.Rb5 Qa1 26.Bf1 Rb5 27.Qb5 Qd4-+) 25.Qe5 (better 25.d5 ed5 26.Bd5 Nd5 27.Bg7-/+) 25...Rb7?? (better 25...Rc8 26.Qe3 Qa2-/+) 26.Bb7+- Nd5 (26...Qc2 27.Qe1+-) 27.Qb8 Bf8 28.Bd5 ed5 (28...Qc2 29.Rb3 Qc1 30.Kg2 ed5 31.Bb4+-) 29.Rb5 (29.Bb4 Qb4 30.Rb4 h6 31.Rb5 f6 32.Qe8 Kh7 33.Qf8 g5 34.Qf7 Kh8 35.Rb8) 29...Qd1 (29...Qc2 30.Rc5 Kg7 31.Qe5 Kh6 32.Rc7 Qb1 33.Kg2 Qe4 34.Qe4 de4 35.Rf7+-) 30.Kg2 Qd3 31.Bb4 (31.Qe8 Qe4 32.Qe4 de4+-) 31...Qe4 32.f3 (better 32.Kh3 Qe6 33.g4+-) 32...Qe2 (32...Qc2 33.Kg1 Qd1 34.Kf2 Qc2 35.Ke3 Qc1 36.Ke2 Qc4 37.Kd2 Qd4 38.Ke2 Qc4 39.Ke3 Qc1 40.Kd4 Qd1 41.Ke5 Qe2 42.Kd5 Qf3 43.Kd4 Qd1 44.Ke3 Qc1 45.Bd2 Qg1 46.Kd3 Qf1 47.Kc3 Qf3 48.Kd4 Qe2+-) 33.Kh3 Qf1 34.Kg4 (34.Kh4 g5 35.Kg4 f5 36.Kg5 Qc1 37.f4 h6 38.Kh4 Qe1 39.Qf8 Kh7 40.Qf7 Kh8 41.Rb8 Qe8 42.Re8) 34...h5 35.Kh4 (35.Kg5 f6 36.Kf6 Qf3 37.Qf4 Qf4 38.gf4 Be7 39.Kg6 Bb4 40.Rb8 Bf8 41.f5 h4 42.f6 h3 43.f7 Kh8 44.Rf8) 35...g5 (35...Qf3 36.Qf4 Qf4 37.gf4 Bh6+-) 36.Kg5 f6 (36...Kh7 37.Qf8 Qc1 38.Kh5 Qc8 39.Qc8 Kg7 40.Qf8 Kh7 41.Qf7 Kh8 42.Rb8) 37.Kh4 (37.Kh5?! Qh3 38.Kg6 Qh6 39.Kf5 Qh5 40.Kf6 Qh6 41.Kf5 Qh5 42.Kf4 Qh6 43.Ke5 Qh5 44.Ke6 Qf7 45.Ke5 Qh5 46.Ke6 Qf7 47.Ke5 Qh5=) 37...Qg2 (37...Qe2 38.Qf8 Kh7 39.Qf7 Kh8 40.Rb8 Qe8 41.Re8) 38.Qf8 Kh7 39.Rb7 (39.Qf7 Kh8 40.Rb8) 39...Kg6 40.Qg7 (40.Rg7 Kf5 41.Qc8) 40...Kf5 41.g4 (41.Qh7 Ke6 42.Qd7) 41...Kf4 42.Qf6 Ke3 43.Re7 Kf2 44.Be1 (44.Qf4 Qf3 45.Qd2 Kg1 46.Re1 Qf1 47.Qe3 Kh1 48.Rf1 Kh2 49.Qf2) 44...Kf1 45.Bg3 (45.Bg3 Qa2 46.Re1 Kg2 47.Qe6 Qd2 48.Re2 Qe2 49.Qe2 Kg1 50.Qf2 Kh1 51.Qf1) 1-0. Zpytasz (1805) - xid1999 (1770), Rated Rapid game, lichess.org, 2020.

5.g3 0-0 6.Bg2 c6 7.a4 cb5 8.ab5 a6 9.Nc3 a5 10.0-0 Bd7 11.Ng5 (11.Nd4 e5 12.Bb7 ed4 13.Ba8 dc3 14.Bc3 Bb5 15.Ra5 Nc6+=) 11...Qc8 (11...Qb6 12.Qb1=) 12.Na4 Qc7 (12...Bb5? 13.Nb6 Qg4 14.Na8+/-) 13.b6 Qc8 14.d3 Nc6 15.Nc3 (15.Qd2 d5=) 15...Qd8 (15...Nb4 16.d4=+) 16.Na4= h6 17.Ne4 Ne4 18.Bg7 Nf2 19.Rf2 Kg7 20.c4 (20.d4 Qc8=) 20...Nd4 21.e3 (21.Qb1 Bc6=+) 21...Nc6 (21...Nf5 22.Bb7 Rb8 23.Bf3 Ba4 24.Qa4 Qb6 25.Qa5 Qa5 26.Ra5 Rb1 27.Rf1-/+) 22.Qb3 (22.d4 Rc8=) 22...Nb4 23.Raf1? (23.Bb7 Rb8 24.Qc3 e5=+) 23...Rb8 (better 23...Ba4 24.Qa4 Nd3-+) 24.c5=+ Be6 25.Qc3 Kh7 (25...f6 26.d4=+) 26.Rf4 (26.Bh3 f5 27.e4 Qd7 28.ef5 gf5=+) 26...Nd5 (better 26...dc5 27.Be4 f5-/+) 27.c6?? (better 27.Bd5 Bd5 28.Qa5=) 27...Nc3-+ 28.c7 Qd7 (better 28...Ne2 29.Kf2 Nf4 30.cd8Q Nd3 31.Ke2 Rfd8 32.Kd3-+) 29.cb8Q Rb8 30.Nc3 f5 (30...Qc8 31.Nd5 Qc2 32.Ne7 Qd3 33.Rf7 Bf7 34.Rf7 Kh8 35.Nd5 Qd1 36.Rf1-+) 31.e4 (31.Rc1 Qd8 32.Rb1 Qc8-+) 31...d5! 32.ef5 (32.Nd5 Bd5 Combination; 32.ed5 Bf7 Decoy) 32...Bf5 33.Nd5 Qd6 (33...Bd3?! 34.Re1 Qb5 35.Re7 Kh8 36.Rff7 Qc5 37.Kh1 Qc1 38.Bf1-+) 34.Re1 (34.Kh1 Kh8-+ (34...Bd3?! 35.Re1 Re8 36.Rf7 Kg8 37.Ree7 Re7 38.Re7-+)) 34...e6 (34...Bd3?! 35.Re7 Kh8 36.h3-/+) 35.Nf6 (35.Ne3 Qb6 36.d4 g5 37.Rf5 ef5 38.Nf5 g4-+) 35...Kg7 36.Ng4 Bg4 (better 36...g5!? 37.Ra4 Qb6 38.Kh1 Bd3 39.h3-+) 37.Rg4 Qb6 38.Kh1 a4! 39.Ra4 Rd8 40.Be4 Qf2 41.Rea1 Rc8 42.R4a2 Qb6 (better 42...Rc2!? 43.Rc2 Qc2 44.h3-+) 43.Rf1 Rc7 44.Raa1 (44.Kg2 e5-+) 44...Rc2 45.Rab1 Rb2 46.Rbc1 h5 47.Rfe1 (47.Rc8-+) 47...Qf2 48.Rf1 (48.Re2 Qe2 49.Rc7 Kf6 50.Rf7 Kf7 51.Bg6 Kg6 52.d4 Qh2) 48…Qh2 0-1. Zpytasz (1765) - kasho (1655), Rated Rapid game, lichess.org, 2017.

5.g3 0-0 6.Bg2 Bd7 7.a4 c6 8.c4 cb5 9.ab5 Qb6 (9...d5 10.Ne5=) 10.0-0 Bg4 11.Bd4 Qc7 12.b6 Qc4 13.ba7 (worse 13.Ra7 Ra7 14.ba7 Nc6-/+) 13...Nc6 14.Na3 Qb4 (14...Qd5 15.Nc2=) 15.Nc2 Qc4 16.d3 Qb5 (16...Qe6 17.Qd2=) 17.Na3 (17.Qb1 Nd4 18.Ncd4+=) 17...Qd5 18.Nc4 (better 18.Nc2=) 18...Bf3-+ (18...Nd4?! 19.Ne3 Qc5 20.Nd4 Qd4 21.Ng4 Qg4 22.Bb7-/+) 19.Bf3 (19.Bf6 Bg2 (19...Bf6?! 20.Bf3 Qc5 21.Rc1-/+) 20.Bg7 Bf1-+) 19...Qd4 20.e3? (better 20.Bc6 bc6 21.e3-+) 20...Qc5 21.Qa4 (21.Qb3 Ra7 22.d4-+) 21...Ra7 22.d4 (22.Qb3 Ra1 23.Ra1-+) 22...Ra4 23.dc5 Ra1 (better 23...Rc4 24.cd6 ed6 25.Rab1-+) 24.Ra1 dc5 25.Rc1 (25.Bc6 bc6 26.Ra5 Rc8-+) 25...Rc8 (better 25...Rb8 26.Bc6 bc6 27.Ne5-+) 26.Na3 (26.Nb6 Rc7 27.Na8 Rd7 28.Rc5 Rd2-+) 26...b6 27.Nb5 (27.Nc4 Nd7-+) 27...Nb4 28.Rc4 Nfd5 29.e4 (29.Kg2 e6-+) 29...Nc7 30.Na3 (30.Bg4 e6 31.Nc7 Rc7-+) 30...Ne6 (30...Ra8!? 31.Nb1-+) 31.Bg4 Rd8 (31...Ra8 32.Nc2 Nd3 33.Be6 fe6 34.e5 Be5 35.Kf1-+) 32.Nb5 (32.Be6 fe6 33.Nb5 Rd1 34.Kg2 Nd3-+) 32...Nd4 33.Nc7 (33.Nd4 Bd4 34.Be2 Na2-+) 33...h5 34.Bh3 e6 35.Bg2 (35.Bf1 Be5 36.Ne6 Ne6-+) 35...Be5 36.Nd5 ed5 37.ed5 Nd5 0-1. Zpytasz (1800) - Teshrlyes (1720), Rated Rapid game, lichess.org, 2020.

5.g3 0-0 6.Bg2 e5 7.0-0 Qd7 8.a4 c6 9.c4 cb5 10.ab5 Qc7 11.Na3 Be6 12.Rc1 Qd7 (12...Nbd7 13.d3=) 13.Ng5+= Bf5 (13...Qc7 14.d4 Nbd7 15.de5 de5 16.Ne6 fe6 17.Qd2+=) 14.e4 Ne4? (better 14...Be6+=) 15.Ne4+- Bh3?! (15...Re8+-) 16.Bh3 Qh3 17.Nd6 Nd7 (17...Qe6 18.c5 (18.Nb7?! Qb6+-) 18...b6 19.d4 ed4 20.Bd4 Bd4 21.Qd4 bc5 22.Rc5+-) 18.Nb7 Nf6 (18...Rfb8 19.Na5+-) 19.f3 (19.Be5?! Ng4 20.Qg4 Qg4 21.Bg7 Kg7=+) 19...e4 (19...Qc8 20.Na5+-) 20.Bf6 (20.Qe2 Rae8 21.Bf6 Bf6+-) 20...Bf6 21.fe4 (21.Nc2 Qd7 22.Na5 Bb2+-) 21...Bd4 22.Kh1 Qe6 (22...Bb2 23.Qf3 Bc1 24.Rc1+-) 23.Qf3 Bb2 24.Rc2 (24.c5 f5 25.Rce1 fe4+-) 24...Ba3 25.Qa3 (25.c5 Rab8 26.c6+- (26.Qa3?! Qe4 27.Qf3 Qc2+=)) 25...Qe4+= 26.Qf3 Qc2 27.Nd6 (better 27.Qd5!? Rac8 28.Nd6+=) 27...Rad8= 28.Nf7?? (better 28.c5 Qd2 29.Qc6= (29.Nf7?? Qd7-+)) 28...Qc4-+ (28...Qd2? 29.Qf6 Rf7 30.Qf7 Kh8 31.Qa7+-) 29.Nh6 (29.Nd8 Rf3 (29...Qf1?! 30.Qf1 Rf1 31.Kg2-+) 30.Rf3 Qc1 31.Kg2 Qd2 32.Kh3 Qd8-+) 29...Kg7 30.Qc3 (30.Nf7 Qd5 31.Qd5 Rd5 32.Rb1-+) 30...Qc3 31.dc3 Rf1 32.Kg2 0-1. Zpytasz (1795) - Adambla (1755), Rated Rapid game, lichess.org, 2021.

5.g3 a6 6.c4 ab5 7.cb5 Nbd7 (7...0-0 8.Bg2=+) 8.Bg2= 0-0 9.0-0 e5 10.Ng5 (10.Qc2 e4 11.Nd4 Re8=) 10...h6 11.Nf3 Nc5 12.d4 ed4 (12...Na4 13.Ba3=+) 13.Nd4 Qe7 (13...Na4 14.Qc2=+) 14.Nc3 Re8 15.Nc6 (better 15.a4=) 15...bc6-/+ 16.Bc6 Bh3 (16...Rb8 17.Be8 Qe8 18.f3-+) 17.Re1-/+ Red8 (17...Ra5 18.Be8 Qe8 19.Qd2-+) 18.Ba8 Ra8 19.e3 Qe6 20.Qf3 (20.Ne2 Qe4 (20...Ra2?! 21.Nf4 Rb2 22.Ne6 Be6 23.Ra7=+) 21.Nf4 Bg4-+) 20...Re8 21.Qc6 (better 21.Ne2 Nd3 22.Nf4 Ne1 23.Re1-/+) 21...Nd3 22.Reb1 (22.Re2 Ne5 23.Qc7 Qg4-+) 22...Re7 (22...Ne5 23.Qh1 (23.Qc7?? Qg4 24.Qb7 Nf3 25.Kh1 Qh5-+) 23...Bg4 24.Qg2-+) 23.Ba3? (23.a4 Qf5 24.f4 Re3 25.Rd1 Nb2 26.Re1-+) 23...Qf5 24.Qa8 (24.f4 Re3 25.b6-+) 24...Re8 25.e4 Qf2 (25...Qf2 26.Kh1 Bg2) 0-1. Zpytasz (1720) - Youneke (2010), Rated Rapid game, lichess.org, 2019.

5.g3 a6 6.c4 Bd7 7.a4 Nh5 (better 7...c6=) 8.Bg2?? (better 8.Bg7 Ng7 9.Nc3+=) 8...Bb2-+ 9.Ra2 Bf6 10.0-0 (10.Ra3 c5-+) 10...ab5 11.cb5 Bb5! 12.Qb3 (12.ab5 Ra2 Pinning (12...Ra2 Deflection)) 12...Bc6 13.d4 Qd7 (better 13...Nd7-+) 14.d5 Ba4?? (better 14...0-0 15.Nc3 Ra7-+) 15.Qb7+= Qd8? (better 15...Ra6 16.Qb8 Qd8+=) 16.Qa8+- Bb3 17.Rd2 (17.Ra3 Bc2+-) 17...0-0 (17...Nd7 18.Qc6 0-0 19.Nd4 Bd4 20.Rd4+/-) 18.Nd4 (18.Qb7!? Ba4 19.Rc1 Qe8+-) 18...Bd4+/- 19.Rd4 c5? (19...e6 20.e4 ed5 21.ed5+-) 20.Rd2?? (better 20.dc6 Qb6 21.Rd2+-) 20...Qb6 (better 20...Nd7!? 21.Qd8 Rd8+/-) 21.Rb2+- c4 22.Nc3 (better 22.Qa1!?+-) 22...Qd4 23.Rc1 Nf6 24.Rbb1 (24.e3 Qe5+/-) 24...Qg4 (24...Nbd7 25.Qb7+/-) 25.Bf3 Qd4 26.e3 Qd3 27.Be2 Qd2 (27...Qf5 28.Qa7 Nbd7 29.Qd4+/-) 28.Qa1 Qa2?? (better 28...Nd5 29.Rb2 Qc3 30.Rc3 Nc3+-) 29.Qa2 (better 29.Na2 Nd5 30.Bc4 Bc4 31.Rc4+-) 29...Ba2 30.Na2 e6 (30...Nd5 31.Rb7 Nf6 32.Bc4+-) 31.de6 fe6 32.Bc4 d5 33.Bd3 Nbd7 34.Rc6 (34.f4 Ra8 35.Nb4 Ra7+-) 34...Ng4 (34...Ne5 35.Rc3+-) 35.Re6 (35.Be2 Nf2 36.Rb7 Ne5 37.Re6 Nf7+-) 35...Rf2 (35...Nc5 36.Be2 Ne6 37.Bg4+-) 36.Re8 (36.Nc3 Nc5 37.Re8 Kf7+-) 36...Kg7 (36...Kf7 37.Ra8 Rd2 38.Rf1 Ke7 39.Bb5 Nh2 40.Rf2 Rf2 41.Kf2 Ng4 42.Ke2+-) 37.Re7 (better 37.Nc3 Ndf6 38.Re7 Kh6 39.h3+-) 37...Kf8 (37...Rf7 38.Rf7 Kf7+-) 38.Rd7 Ra2 (38...Rf7 39.Rb8 Kg7+-) 39.Rb8 1-0. Zpytasz (1695) - Chipchip2000 (1650), Rated Rapid game, lichess.org, 2017.

4.Bf6 ef6

5.a4 Bg7 6.c3 0-0 7.Ra3 Be6 8.e3 c6 9.c4 (9.Nf3 Nd7=) 9...Nd7 10.Be2 Nc5 (10...Ne5 11.d3=+) 11.Nf3 (11.d4 Nd7+=) 11...d5 12.d4 Ne4 13.c5 h6 14.0-0 Bg4 15.Nfd2 Be2 16.Qe2 f5 17.Ne4 (17.Rb3 Qa5 18.Ne4 fe4+=) 17...fe4 18.Qd2 f5 19.Rb3 (19.Nc3 Qf6 20.Ne2 a6 21.bc6 bc6+=) 19...g5 Black prepares f4 (19...f4!?=) 20.f3 ef3 21.Rf3 f4 22.Rd3 (22.ef4 gf4 23.Na3 Qh4+=) 22...fe3= 23.Rfe3 Qf6 24.Re1 (24.Rf3 Qe6=) 24...Qf4 25.Qf4 (25.g3 Qd2 26.Nd2 Rae8 27.Re8 Re8=) 25...Rf4=+ 26.Red1 Re8 27.R3d2? (better 27.Nc3=+) 27...Ree4-+ 28.bc6 (28.g3 Rg4-+) 28...bc6 29.Nc3? (29.g3 Rg4-+) 29...Rd4 (better 29...Bd4!? 30.Rd4 Rd4 31.Rb1-+) 30.Ne2 Rd2 31.Rd2 Ra4 32.Rc2 Ra1 33.Kf2 a5 (33...Kf7 34.Ke3-+) 34.Ke3 (34.Ng3 Kf8-+) 34...a4 35.Kd3 (35.Rd2 a3 36.Kd3 a2-+) 35...a3 (35...Rd1!? 36.Rd2 Rd2 37.Kd2-+) 36.Nc3 Bc3 (36...g4!? 37.Na2-+) 37.Kc3 a2 (37...h5!? 38.Kb3-+) 38.Kb3 (38.h3 d4! 39.Kb3 Kf7-+) 38...Kf7 39.Kb2 (39.h3 Ke6-+) 39...Rh1 40.g3 (40.Ka2 Rh2 41.Kb3 h5-+) 40...Rb1 (40...a1Q 41.Kb3 Rb1 42.Rb2 Qb2 43.Ka4 Qb4) 41.Ka2-+ Rb5 42.Ka3 Kf6 43.Ka4 (43.Rf2 Ke5 44.Re2 Kd4-+) 43...Kf5 (43...d4 44.h4-+) 44.h3 (44.Rf2 Kg6-+) 44...h5 (44...d4 45.h4-+) 45.Rf2 Ke4 46.Rc2 (46.Re2 Kd4 47.Re6 Rc5-+) 46...Kf3 (46...d4 47.g4 hg4 48.hg4-+) 47.Rc3 Ke4 48.Rc1?? (48.Rc2 d4 49.Rc1-+) 48...d4-+ 49.Re1 (49.g4 hg4 50.hg4 d3-+) 49...Kf3 50.Rf1 Kg3 51.Rf5 Kh4 (worse 51...Kh3 52.Rg5 h4 53.Rd5-+) 52.Rf6 (52.Re5 d3 (worse 52...Kh3 53.Rg5 h4 54.Rd5-+) 53.Re3 d2-+) 52...Rc5 53.Kb4 (53.Rd6 Rd5 54.Rc6 d3-+) 53...Rc1 (53...Rc2!? 54.Ka3 Kh3 55.Rf5-+) 54.Rf3 c5 55.Kb3 (55.Kb5 c4 56.Rf5 d3-+) 55...g4 (better 55...Rc3 56.Rc3 dc3 57.Kc3 Kh3-+) 56.hg4 Kg4 57.Rf8 c4 58.Kb2 Re1 59.Kc2 (59.Rd8 c3 60.Kc2 Re2 61.Kc1 Rd2-+) 59...Re4 (59...d3 60.Kc3-+) 60.Kd2 h4 61.Rg8 Kf3 62.Rf8 Rf4 63.Rh8 Kg2 64.Rg8 Kh2 65.Rh8 h3 66.Rg8 Kh1 67.Rg7 h2 68.Rg6 Rf2 69.Ke1 Rg2 70.Rf6 Rg1 (better 70...c3 71.Rf3 Rg1 72.Ke2 c2-+) 71.Ke2 Kg2 72.Rg6 Kh3 73.Rh6 Kg4 (better 73...Kg3 74.Rh2 d3 75.Ke3 Kh2 76.Kd4 d2 77.Kc3 d1Q 78.Kc4 Rg8 79.Kc3 Rc8 80.Kb2 Qe2 81.Ka3 Rb8 82.Ka4 Qa6) 74.Rg6 (74.Rh2 Kg3 75.Rh8 d3 76.Ke3 Re1 77.Kd2 Re2 78.Kc3 Rc2 79.Kb4-+) 74...Kh5 75.Rd6 (75.Ra6 h1Q 76.Ra5 Kg4 77.Rg5 Kg5 78.Kd2 Qg2) 75...h1Q 76.Rd4 Qg2 77.Ke3 Re1 78.Kf4 Qg4 0-1. ch77essi988 (1705) - Crazy4you (1805), Rated Blitz game, lichess.org, 2017.

5.Nc3 Bg7 6.Rb1 (6.e3 a6=+) 6...0-0 7.e3 f5 8.Nd5 (8.Nf3 a6=+) 8...Be6-/+ 9.c4 Bd5 (9...a6!? 10.b6 cb6 11.Nb6 Ra7=+) 10.cd5=+ Nd7 11.Ne2 (11.Nf3 Re8=+) 11...Re8 (11...Qe7-/+) 12.Nc3 (12.g3 a6=+) 12...b6 (12...Bc3 13.dc3 f4 14.Be2 fe3 15.0-0-+) 13.h4 (13.Be2 Bc3 14.dc3 f4 15.ef4 Qf6=) 13...h5 (13...Bc3 14.dc3 f4 15.Qd4 fe3 16.fe3-/+) 14.d4 (14.Qc2 Bc3 15.Qc3 Nc5=) 14...f4-/+ 15.Qd2 (15.Rh3!?-/+) 15...Nf6-+ 16.Be2 (better 16.Qd3-+) 16...Ne4 (16...fe3!? 17.Qd3 ef2 18.Kf2 Bh6-+) 17.Ne4 (better 17.Qc2 Nc3 18.Qc3 fe3 19.fe3-/+) 17...fe3?? (17...Re4 18.ef4 Qe7 19.Rb3-/+) 18.fe3?? (better 18.Qd3 ef2 19.Kf2+-) 18...Re4-/+ 19.Kd1 (19.Bf3 Rh4 20.0-0 a6-/+) 19...Qf6 (better 19...Qe7!?-+) 20.Bf3-/+ Rh4 21.Kc2 (21.Rh4 Qh4 22.Rc1 Rc8-/+) 21...Rh1 22.Rh1 Qf5 (22...a6!? 23.ba6 Ra6-/+) 23.Qd3=+ Qd3 24.Kd3 f5 (24...a6 25.ba6 Ra6 26.Rc1=+) 25.Rc1= Rc8 26.e4 fe4 27.Be4 g5 (27...Kf7 28.g4=) 28.Bf5 Ra8 29.Rc7 a6 30.ba6 Ra6 31.Bg6 Ra2 32.Bh5 Rg2 33.Rc6 Rh2 34.Bf3 Rh3 35.Ke4 Rh4 36.Kf5?? (better 36.Kd3=) 36...Rf4-+ 37.Kg5 Rf3 38.Rb6 Bf8 39.Rb8 (39.Rb7 Rf7 40.Rb1 Be7 41.Kg4 Rf2-+) 39...Rd3 (39...Kf7 40.Rb4-+) 40.Kf5 (40.Rb4-+) 40...Rd4 41.Ke6 Kg7 42.Rb6 (42.Rb7 Kg6 43.Rb2-+) 42...Kg8 (42...Re4 43.Kd7-+) 43.Rb5?? (43.Rb8 Ra4 44.Rb1-+) 43...Re4 44.Kd7 Kf7 45.Rb8 (45.Rb2-+) 45...Bh6 46.Rb7 (46.Rc8 Bf4 47.Rb8-+) 46...Re7 47.Kc6 Rb7 48.Kb7 Kf6 49.Kc6 (49.Kc7 Ke5 50.Kc6 Bf4 51.Kb5 Kd5 52.Ka5 Kc5 53.Ka4 Kc4 54.Ka3 d5 55.Kb2 Kd3 56.Ka3 Ke3 57.Ka4 d4 58.Kb5 d3 59.Kc5 Ke4 60.Kc6 d2 61.Kc5 d1Q 62.Kb5 Qd5 63.Kb6 Be5 64.Ka6 Qc6 65.Ka7 Qb5 66.Ka8 Qa6) 49…Ke5 (49...Ke5 50.Kd7 Kd5 51.Ke7 Ke5 52.Kf7 Kf5 53.Kg8 d5 54.Kf7 Be3 55.Ke8 d4 56.Kd7 d3 57.Kd6 Bf4 58.Kc5 d2 59.Kc4 d1Q 60.Kc3 Be5 61.Kc4 Qd4 62.Kb5 Qd6 63.Kc4 Qa6 64.Kb3 Ke4 65.Kb4 Qb7 66.Kc4 Bf6 67.Kc5 Be7 68.Kc4 Qb4) 0-1. Bushwacker (1840) - Sagarmatha (1645), ChessWorld.net, 2006.

5.c4 a6 6.e3=.

5.e3 Bg7 6.c4 f5 7.Nc3 a6 8.a4 Nd7 9.d4 0-0 10.Nf3 Re8 11.Bd3 (11.Be2 f4 12.ef4 ab5 13.cb5 c5 14.bc6 bc6=) 11...Nf6 (11...f4!?=) 12.0-0+= d5 (12...Ne4 13.Nd5+=) 13.cd5 Nd5 14.Nd5 Qd5 15.Rc1 ab5 16.ab5 Qd6 17.Rc5 (17.Qc2 Re7+=) 17...Bd7 (17...f4 18.e4 Bg4 19.e5 Bf3 20.ed6 Bd1 21.Rd1 cd6 22.Rc7=+) 18.Qc2 Rac8 (18...c6 19.Qb3+=) 19.Rc1 c6 20.bc6 bc6 (20...Rc6 21.Bb5 Rc5 22.dc5+=) 21.Bc4+/- h6 22.h3 f4 (22...Rb8!?+/-) 23.Ne5!+- Be5? (better 23...Be6 24.Be6 Re6 25.ef4 Be5 26.de5 Qe7+/-) 24.de5 (24.Re5?! fe3 (worse 24...Re5 25.de5 Qe5 26.Qg6 Qg7 27.Bf7 Kh8 28.Qh5+/-) 25.Re3 Re3 26.fe3 Re8=) 24...Re5 25.ef4 (better 25.Rd1 Re6 26.Rd6 Rd6 27.ef4+-) 25...Rc5-+ (25...Qc5 26.Qg6 (26.fe5?! Qe5 27.Qg6 Qg7 28.Bf7 Kh8+/-) 26...Kh8 27.Qh6 Kg8 28.Qg6 Kh8 29.Qf6 Kh7 30.Qf7 Kh8 31.Qf6 Kh7 32.Bd3 Kg8 33.Rc5 Rc5 34.Qg6 Kf8 35.Qd6 Ke8 36.Qc5+-) 26.Bf7 Kf7 27.Qc5 Qc5 28.Rc5 Be6 29.g4 Bd5 30.Kh2 Ke6 31.Kg3 Kd6 32.Rc1 c5 33.Rc3 (33.g5 hg5 34.fg5 Rb8-+) 33...c4 34.f3 Kc5 35.g5 (35.Rc1 Re8 36.f5 gf5 37.gf5 Re3-+) 35...hg5 36.fg5 Kd4 37.Rc1 c3 38.Rd1 (38.f4 Ke3 39.h4 Kd2-+) 38...Kc4 (38...Ke3 39.f4-+) 39.Rc1 (39.h4 c2 40.Rc1 Kd3-+) 39...Rf8 (39...Kd3!? 40.h4-+) 40.f4 Be4 41.Kg4 Bf5 42.Kg3 c2 43.Kf2 Kc3 44.Ke2 (44.h4 Kd2 45.Ra1 Ra8-+) 44...Re8 45.Kf3 Kd2 46.Ra1 c1Q (46...Re3 47.Kf2 Be6 48.f5 gf5 49.h4-+) 47.Rc1 Kc1 48.h4 Kd2 49.Kf2 Re3 (49...Re3 50.Kg2 Be4 51.Kf1 Rg3 52.Kf2 Rg2 53.Kf1 Ke3 54.h5 Rh2 55.f5 Rh1; 49...Re2 50.Kf1 Be4 51.Kg1 Ke3 52.f5 Re1 53.Kh2 Kf4 54.h5 Rh1) 0-1. eem63 (1725) - LojanicaZ (2110), Hourly Rapid Arena, lichess.org, 2019.

5.Nf3 Bg7 6.Nc3 0-0 7.g3 (7.e3 a6=) 7...Bd7 8.Bg2 c6 9.Nd4 (9.bc6 Bc6 10.0-0 f5=) 9...d5 (9...f5 10.e3=+) 10.0-0 f5 11.bc6 bc6 12.Nb3 Na6 13.Rb1 Rb8 14.e3 Nc7 15.Na4 Ne6 16.d4 Ng5 17.Nac5 Be8 (17...Ne4 18.Nd7 Qd7 19.Qd3+=) 18.f4 (18.Qd3!?+/-) 18...Ne4= 19.Be4 fe4 20.Na6 (20.Qe2 Bd7=) 20...Rc8 (20...Rb6!? 21.Nac5 Bd7=+) 21.Nbc5+= g5? (21...Bd7 22.c4+=) 22.fg5 (22.Rb7!?+-) 22...Qg5+/- 23.Rf4 (better 23.Qd2+/-) 23...Bd7?? (23...Qg6 24.Qd2+=) 24.Qd2 (better 24.Nd7 Rfd8 25.Rb7+-) 24...Bh3+= 25.Rb7 Bh6 26.Nd7 (worse 26.Ra7 Qh5 27.Nd7 Bd7-/+) 26...Rfd8 (26...Bd7 27.Rd7 Qg6 28.Rf1+=) 27.Ne5+/- Qg7? (better 27...Qh5!? 28.g4 Qh4 29.Rff7 Rf8+=) 28.Rff7 (28.Rh4!? Be6 29.Nc5 Rd6+-) 28...Qg4?? (28...Qg5 29.Qf2 Rf8+=) 29.Ng4 (29.Ng4 Bg4 30.Qf2+-) 1-0. Zpytasz (1725) - kintarooe (1625), Rated Rapid game, lichess.org, 2017.

5.g3 Bg7 6.Bg2 0-0 7.Nf3 Be6 8.a4 d5 9.Nd4 (9.d4 a6 10.Nbd2 Re8=) 9...Nd7 (9...a6 10.Na3=+) 10.0-0= Qc8 11.Na3 c6 12.bc6 bc6 13.c4 Nb6 (13...f5 14.Ne6 fe6 15.d4=) 14.c5 Nd7 15.Rc1 (15.Qc2 Qc7=) 15...f5 16.Nb3? (better 16.e3=) 16...Bb2-+ 17.Nb5? (better 17.Nc2 Bc1 18.Qc1-/+) 17...cb5 (17...Bc1 18.Qc1 cb5 19.ab5-+) 18.Rc2 Bf6 19.ab5 Rb8 (19...Qb8 20.d4 Qb5 21.Nc1-+) 20.c6 Nb6 (20...Ne5 21.Nd4 Nc4 22.e3 Bd4 23.ed4 Rb5 24.Qa1-+) 21.Na5 Qc7 22.e3 (22.d4 Ra8 23.Qd3 f4-+) 22...Nc8 (better 22...Nc4 23.Nc4 dc4-+) 23.Rc5?? (better 23.Nb7 Ne7 24.d4-+) 23...Qa5 24.Bd5 (24.Qb3 Be7 25.c7 Rb7-+) 24...Rb5 (24...Be7 25.c7 Rb6 26.Be6 Bc5 27.Bc4-+) 25.Rb5 Qb5 26.Bf3 Bd5 27.Bd5 Qd5 28.Qa4 Qc5 (better 28...Qd2!? 29.Qb3-+) 29.d4 Qb6 30.d5 (30.Rc1 Qc7-+) 30...Qc7 (30...Rd8 31.Qc4-+) 31.Rb1 Nb6 32.Qb5 (32.Qa5 Rd8 33.Rb5 Qe5 34.Qa7 Nd5-+) 32...Rb8 (32...Rd8 33.Rd1-+) 33.Rd1 Be5 34.f4 (34.Qc5 Rd8-+) 34...Bd6 35.Rd4 (35.Kf2 Nd7 36.Qe2 Nf6-+) 35...Kf8 (35...Rd8 36.h3-+) 36.e4 (36.Qa5 Re8 37.Qc3 Kg8-+) 36...fe4 (better 36...Nc8!? 37.Qc4 Rb4 38.Qb4 Bb4 39.Rb4-+) 37.Re4 f5 (37...Be7 38.Qa5-+) 38.Re6 (38.Re1 Qg7 39.Rd1 Qc3-+) 38...Nc8 39.Qe2 (39.Qd3 Qb6 40.Kg2 Qc5-+) 39...Ne7 40.Rf6 (40.Qc4-+) 40...Ke8 (better 40...Kg7 41.Re6 Nd5-+) 41.Qe6 Rb1?? (better 41...Bc5 42.Kg2 Qc8 43.Qf7 Kd8-+) 42.Kg2+- Rb2 (42...Rg1 43.Kh3 Qc8 44.Qf7 Kd8 45.Rd6 Kc7 46.Qe7 Kb6 47.Rd8 Qd8 48.Qd8 Kb5 49.Qb8 Ka6 50.Qb7 Ka5 51.Qa7 Kb5 52.Qg1 Ka5 53.c7 g5 54.c8Q g4 55.Kh4 Ka4 56.Qc4 Ka5 57.Qgc5) 43.Kh3 (43.Kh3 Qc8 44.Qf7 Kd8 45.Rd6 Kc7 46.Qe7 Kb6 47.Rd8+-) 1-0. Zpytasz (1875) - pilaochess2016 (1775), Rated Rapid game, lichess.org, 2016.

5.c4 Bg7

6.Nc3 0-0 7.Rb1 b6 8.Nf3 a6 9.a4 ab5 10.ab5 Bg4 11.e3 Nd7 (11...f5 12.Nd5=) 12.Be2 Bf3 (12...Bf5!? 13.Ra1 Ra1 14.Qa1 Ne5+=) 13.Bf3+/- (13.gf3?! f5=) 13...Ra7 14.Bc6 (14.0-0 f5 15.d4 Re8+/-) 14...Ne5 15.Bd5 Nd3 16.Ke2 Ne5 17.f4 Nd7 (17...Ng4+=) 18.Rf1 (better 18.f5!?+/-) 18...f5= 19.Kf2 (19.d4 Nf6=) 19...Nc5 (19...Bc3 20.dc3 Nc5 21.Qd4=) 20.Kg1 (20.d4 Qe7+=) 20...Re8 (20...Bc3 21.dc3 Re8=) 21.Qf3 (better 21.Qc2!?+=) 21...Qe7 (21...Bc3 22.dc3 Qf6 23.Rbc1-/+) 22.Bc6 Rd8 (better 22...Bc3 23.Be8 Bd2=+) 23.Nd5 Qh4 (23...Qe6 24.d4 Ne4 25.Ra1 Ra1 26.Ra1+/-) 24.g3 Qg4 (better 24...Qh3!? 25.d4 Ne6+/-) 25.Qg2+- Ra2? (25...Qh5 26.Ne7 Kh8 27.d4+-) 26.Nc7 (26.Nb4 Rd2 27.Qd2 Kh8+-) 26...Rc8?? (better 26...Ne4 27.Be4 fe4+-) 27.Nd5 Ne4 (27...Ra7 28.Nb6 Rc6 29.Qc6+-) 28.Ne7 Kf8 29.Nc8 Rd2 30.Qf3 (better 30.Be4 Rg2 31.Bg2+-) 30...Qh3 31.Be4?? (better 31.Qh1 Ng3 32.hg3 (32.Nb6?? Ne2 33.Kf2 Nf4 34.Kg1 Qe3 35.Rf2 Qf2) 32...Qg3 33.Bg2 Qe3 34.Kh2+-) 31…Qh2 0-1. Zpytasz (1880) - zoran_krstic (1890), Rated Rapid game, lichess.org, 2016.

6.Nc3 0-0 7.Rc1 a6 8.e3=+.

6.Nc3 0-0 7.Rc1 c6 8.a4 Re8 9.e3 cb5 (9...c5 10.Nf3=) 10.ab5 a6 11.Nf3 ab5 12.cb5 Bd7 (12...Be6 13.Be2=) 13.Be2 Ra5 14.0-0 f5 15.Rb1 (15.d4 Be6+=) 15...Qb6 Increasing the pressure on the isolated pawn on b5 16.Qb3 (16.Nd5 Qc5 17.Nf4 Qa3+= (17...Bb5?? 18.Bb5 Rc8 19.d4+-)) 16...Bc3 (16...Be6!? 17.Bc4 Bc3 18.dc3 Nd7=) 17.dc3+/- Bc8 (17...Be6 18.Qb4+/-) 18.Bc4 Re7 (18...Be6 19.Ng5+/-) 19.Rfd1 (19.Ng5 Qc7+-) 19...Nd7 20.Nd4 (20.Qb4!? Nc5 21.Rd6 Qd6 22.Qa5+/-) 20...Nc5+= 21.Qb4?? (21.Qc2 Be6 22.Be2 Ne4+=) 21...Ne4?? (better 21...Ra4 22.Bf7 Rf7-+) 22.Nb3 (22.Bd5 Ra8+/-) 22...Ra8 (better 22...Ra2=) 23.f3?? (better 23.Nd2 Qc5 24.Ne4 Re4 25.Qc5 dc5 26.Bd5+=) 23...Qe3 24.Kh1 Nf2 25.Kg1 Nd3 (25...Nd1 26.Kh1 Qe1 27.Bf1 Qf1) 26.Kh1-+ Nb4 27.cb4 Ra2 28.h4 (28.Rbc1-+) 28...Qf2 29.Rg1 Qh4 0-1. AleksandrNekhoroshik (1640) - TheOttomans (1685), lichess.org, 2020.

6.Nc3 0-0 7.Rc1 Bf5 8.a4 Nd7 9.e4 (9.e3 c5=) 9...Be6 (9...Be4!? 10.Ne4 Re8-/+) 10.d4= f5 (better 10...Re8!?=) 11.d5+/- fe4 12.de6 Nc5 13.ef7 Rf7 14.Nd5 (14.Nh3 c6 15.Rc2 e3 16.fe3 Bc3 17.Rc3 Qa5=+) 14...Qh4 (14...c6 15.Nc3 Qa5-/+) 15.g3+/- Qd8 16.Ne2?? (better 16.f4+/-) 16...c6 (better 16...Nd3 17.Kd2 Nf2-+) 17.Ndf4-/+ Qe7?? (17...g5 18.Bh3 gf4 19.Nf4 Rf4 20.gf4 Nd3 21.Kf1 Nc1 22.Qc1-/+) 18.Bg2?? (better 18.h4+/-) 18...e3?? (better 18...g5=+) 19.0-0 (better 19.bc6 ef2 20.Kf1+-) 19...Re8? (19...g5 20.Nh3 Rc8+-) 20.bc6 bc6 (20...Ne4 21.Be4 Qe4 22.cb7 Rb7 23.Qd6+-) 21.Bc6 ef2 22.Rf2 Rc8 (22...Ref8 23.Bd5+-) 23.Bd5 g5 (23...Rcf8 24.Bf7 Qf7 25.Nd3+-) 24.Bf7 (better 24.Nh5 Rcf8 25.Nd4+-) 24...Kf7 (24...Qf7 25.Nh3 Qb7 26.Ng5 h6+-) 25.Nd5 Kg8 26.Ne7 Kh8 27.Nc8 (27.Nc8 Nd3 28.Qd3 a6 29.Qe3 h5 30.Qe8 Kh7 31.Qh5 Bh6 32.Rf7 Kh8 33.Qh6 Kg8 34.Qf8) 1-0. AleksandrNekhoroshik (1695) - Velosolex (1680), lichess.org, 2020.

6.Nc3 f5 7.Rc1 c6 (7...0-0 8.d4=) 8.a4 (8.d4 0-0=) 8...0-0=+ 9.e3 b6 (9...f4 10.Nf3=+) 10.d4 (better 10.Qf3=) 10...cb5?? (10...f4 11.Qf3 fe3 12.fe3=+ (12.Qe3?? Re8 13.Ne4 f5-+)) 11.ab5?? (better 11.Qf3!? d5 12.Qd5 (12.Nb5?! Bb7+=; worse 12.cb5 Be6+/-) 12...Qd5 13.Nd5 (13.cd5?! ba4 14.Na4 Rd8=) 13...ba4 14.Nc7+-) 11...Qc7 (11...Bb7 12.Nge2=) 12.Nf3 (12.Nd5 Qd8+/-) 12...Be6+= 13.Nd5 (13.Bd3 Rc8+/- (13...Bc4?? 14.Nd5 Qd8 15.Rc4+-)) 13...Qb7 (13...Bd5 14.cd5 Qe7 15.Rc3=) 14.Bd3 Bd5 15.cd5 Qd5 (15...a5 16.ba6 Na6 17.Qb3+=) 16.0-0 (16.Bc4 Qb7 17.Qb3 Nd7+/-) 16...Nd7 (16...a5 17.Rc7 f4 18.e4+=) 17.Bc4 (17.Rc7!? Qe6 18.Qc2+/-) 17...Qb7= 18.Re1 (18.Qb3 Nf6=) 18...d5 19.Bd3 Nf6 20.Ne5 Qe7 (20...Rfc8 21.Nc6=) 21.Nc6 (better 21.Re2+=) 21...Qb4?? (better 21...Qd6=) 22.Nb4+- Bh6 (22...Rfd8 23.Qf3+-) 23.Rc6 Ng4 (23...Bg7 24.Rc7+-) 24.Nd5 (24.h3!? Nf2 25.Kf2 Rfd8+-) 24...Bg5 25.h3 Nh6 26.g3 Rad8 27.Nf6 (better 27.f4!? Bh4 28.Qf3 Rd5 29.Qd5 Bg3+-) 27...Kg7 28.Nh7 (better 28.Nh5 Kg8+-) 28...Kh7 29.h4 Be7 30.Qa4 (30.Rc7 Bb4 31.Re2 Ra8+-) 30...Rd7 31.Rec1 Ng4 (31...Bd6 32.Rc8+-) 32.Rc7 Rfd8 (32...Rc7 33.Rc7 Bd8 34.Rc8+-) 33.Qa7 Nf6 34.Rd7 Rd7 35.Qb6 (35.Rc7!? Rc7 36.Qc7 Ng8+-) 35...Nd5 36.Qc6 Rd8 37.Bc4 Nb4 38.Qc7 Re8 39.Bf7 Nd3 40.Rc3 (40.Be8 Nf2 41.Qe7 Kg8 42.Qf7 Kh8 43.Qf8 Kh7 44.Rc7) 40...Ra8 41.Qe7 Ra1 (41...Nc5 42.Be8 Kh6 43.Qg5 Kg7 44.Qg6 Kh8 45.Qf6 Kg8 46.Bf7 Kf8 47.Bg6 Kg8 48.Qf7 Kh8 49.Qh7) 42.Kg2 (42.Kh2 Rh1 43.Kh1 Nf2 44.Kg2 Ng4 45.Bg8 Kg8 46.Rc8) 42...Ne1 43.Kh3 Kh6 (43...Ra7 44.Bg8! Kh8 45.Qa7 Kg8 46.Rc8) 44.Qg5 (44.Qf8 Kh7 45.Qg8 Kh6 46.Qg6) 44...Kg7 45.Qg6 Kf8 46.Rc8 Ke7 47.Qe6 1-0. AleksandrNekhoroshik (1725) - Jacek26 (1750), lichess.org, 2021.

3.b5 Bg7

4.a4 a5 5.d4 b6 6.e3 d6 (6...0-0 7.Nf3=) 7.Nf3+= 0-0 8.c4 Bb7 9.Be2 Nbd7 10.Nbd2 e5 11.d5 (11.0-0 Qe7+=) 11...Nh5 (11...Nc5 12.Qc2=) 12.Nb3 f5 13.h4 (13.0-0 Qe7=) 13...f4 (13...Bc8 14.Rc1=) 14.Ng5 (better 14.e4 Bc8 15.Qd3=) 14...Qf6 (better 14...fe3 15.fe3 Ng3=) 15.Bh5 gh5 16.Qh5 h6 17.Ne4 (17.Ne6 fe3 18.f4 Qf5+/-) 17...Qe7 18.0-0-0 Nf6 19.Nf6 Qf6 20.Rdf1 (20.e4 Bc8+/-) 20...Bc8 (20...fe3 21.f4+= (worse 21.fe3 Qf1 22.Rf1 Rf1 23.Kc2 Rf2 24.Nd2 Rg2=+)) 21.Qe2 Bf5 (21...Qg6 22.e4+/-) 22.e4 Bh7 23.f3 h5 24.g3 (better 24.Rfg1!?+/-) 24...fg3= 25.Qg2 Qf4 26.Kb1 Rf6 (better 26...Qe3 27.Ka2 Qd3+=) 27.Bc1?? (better 27.Ka2 Qe3 28.Rh3+/- (worse 28.Qg3 Be4 29.Nd2 Rg6=+)) 27...Be4?? (better 27...Qf3! 28.Rf3 Be4 29.Ka2 Bf3=+) 28.fe4+- Qg4 29.Rf6 Bf6 30.Rg1 (30.Na1 Bh4 31.Nc2 Bg5 32.Bg5 Qg5+-) 30...Bh4 31.Qg3?? (better 31.Be3+-) 31...Bg3-+ 32.Bf4 (32.Nd2 Rf8 33.c5-+) 32...ef4 33.e5 f3 34.Nd2 f2 35.Kc1 fg1Q 36.Kc2 Q1d4 (36...Q1d1 37.Kc3 Be5 38.Kd3 Qge2) 37.Ne4 (37.ed6 Qg6 38.Ne4 Qge4 39.Kb3 Qb1 40.Ka3 Qc3) 37…Qe2 (37...Qe2 38.Nd2 Qdd2 39.Kb1 Qed1; 37...Qgd1) 0-1. ClayPigeons (2135) - BobyFischer2 (2090), Rated Bullet game, lichess.org, 2021.

4.a4 Kf8 5.e3 h6 6.d4 Kg8 7.Nf3 Kh7 8.c4 d6 9.Be2 Bd7 10.0-0 c6 11.Nbd2 Qc8 12.Nb3 Re8 13.Qc2 (13.Rc1 Bf5+=) 13...Bf5 (13...cb5!? 14.ab5 Bb5=+) 14.Bd3+= Bd3 15.Qd3 Nbd7 16.Rfc1 (16.e4 Qc7+=) 16...e5 17.Qf1 Nf8 (17...ed4 18.Bd4 Ne5 19.Nbd2=) 18.Nfd2 (18.de5 Ng4+=) 18...Qf5 19.de5 de5 20.Nf3 (20.a5 Rac8+=) 20...N8d7 21.Nbd2 (21.c5 Ne4=) 21...Rad8 22.Rcb1 (22.c5 e4 23.Nd4 Qe5=) 22...Nc5 (22...c5 23.Qe2=+) 23.Qe1 (23.Ba3 Nd3=+) 23...Nd3-/+ 24.Qd1? (24.e4 Qf4 25.Qe2 Ng4-/+) 24...Nb2?? (better 24...e4 25.Qc2 ef3 26.Nf3 Nb2 27.Rb2 Nh5-+) 25.Rb2-/+ Ne4 (better 25...c5 26.Nh4 Qe6-/+) 26.Ne4?? (better 26.Qc2 Nc5 27.e4=) 26...Rd1-+ (26...Qe4?! 27.Rd2 Rd2 28.Nd2=) 27.Rd1 Qe4 28.Rbb1 (28.bc6 Qc6 29.Rdb1 Rd8-+) 28...Qc4 29.Rdc1 Qa4 30.Ra1 (30.bc6 bc6 31.Ra1 Qb3 32.Ra7 e4-+) 30...Qb5 31.Ra7 (31.Rcb1 Qc4 32.Rc1 Qe6 33.Ra7 e4-+) 31...e4 32.Nd4 Bd4 33.ed4 Rd8 34.Raa1 Rd4 35.Rf1 (35.Rd1 Qd5 36.Rd4 Qd4-+) 35...Rd2 36.Rab1 (36.Rad1 Rd1 37.Rd1 Qe2-+) 36...Qa6 (better 36...Qd5 37.Rbe1-+) 37.Rfd1 (37.Rbd1 Rd1 38.Rd1 b5-+) 37...Rd1 (better 37...Qd3! 38.Re1 e3 39.Kh1-+) 38.Rd1 b5 39.Rf1 (39.h4 b4 40.Rb1 Qd3-+) 39...b4 40.Rb1 c5 41.g3 Qd3 42.Kg2 Qb1 (42...Qb1 43.h3 Qc2 44.Kg1 e3 45.Kg2 Qf2 46.Kh1 e2 47.g4 e1Q) 0-1. frate_ali_1580 (1800) - Spiritchaser84 (2330), Rated Bullet game, lichess.org, 2014.

4.Nc3 a6 5.a4 d6 6.e3 e5 7.Be2 Bf5 8.Nf3 Nbd7 9.Nh4 Be6 10.Nf3 0-0 11.0-0 Nc5 12.d4 ed4 13.Nd4 Qd7 14.Ne6 Qe6 15.Bf3 Rab8 16.Ba3 Ncd7 17.Rb1= a5 18.Ne2 Ne5 19.Nd4 Nf3 20.Nf3 Ne4 21.Rb3 f5 22.Re1 Nc3 23.Qc1 Ne4 24.Nd4 Bd4 25.ed4= Qd5 26.Bb2 Rfe8 27.Rbe3 Nf6 28.c4+- Qf7 29.f3 Re3+= 30.Re3 Re8 31.Kf2 Re3= 32.Ke3 g5 33.h3 h5 34.Qc3 b6 35.d5+/- Kg7 36.g3 Kg6 37.Kf2 g4 38.hg4 hg4 39.Qf6 Qf6 40.Bf6 Kf6 41.f4 ½–½. mic (2115) – chessgirlwi (2095), net–chess.com, 2008.

4.Nc3 d5 5.e3 0-0 6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Qa1 Bf5 10.Qa4 Nbd7 11.Be2 Nb6 12.Qb3 Ne4 13.Nf3= c5 14.bc6 bc6 15.Ne4 Be4 16.0-0 Qc7 17.Nd2 Bf5 18.g4 Bd7 19.f4 Rb8+= 20.Qa3 Bf8 21.Qc3?? Na4-+ (21...Na4 22.Qa3 Nb2-+ (22...Rb2?! 23.Qa4 c5 24.Qa3 Rc2 25.Qd3 cd4 26.Qd4-+)) 0–1. mic (2145) – grotesmurf (2165), net–chess.com, 2008.

4.d4 0-0 5.c4 d5 6.a4 dc4 7.e3 c3 (7...Be6 8.Nd2=+) 8.Nc3= c6 9.Nf3 cb5 10.ab5 a6 11.Be2 Nbd7 12.0-0 b6? (better 12...Nb6+=) 13.ba6+- Ra7 14.Qb3 (14.Bc4 Ne8+-) 14...Re8 (14...Nb8!?+/-) 15.Rfd1 e5? (15...Nb8+-) 16.Ne5 Ne5 17.de5 Qe7 (17...Be6 18.Rd8 Bb3 19.Re8 Ne8 20.Nb5+-) 18.ef6 Bf6 (18...Qf6 19.Na4 Qe7 20.Bg7 Kg7 21.Qb6+-) 19.Nb5 (better 19.Nd5 Be6 20.Ne7 Rae7 21.Qb6 Bb2 22.Qb2+-) 19...Be6 (19...Bb2 20.Na7 Ba1 21.Nc8 Rc8 22.Ra1+-) 20.Bf6 Bb3 21.Be7 Bd1 22.Bd1 (22.Rd1 Ree7 23.Na7 Ra7+-) 22...Rae7 (22...Ree7 23.Be2+-) 23.a7 Ra8 (23...f5 24.Kf1+-) 24.Bf3 Rea7 25.Ra7 Rc8 (25...Ra7 26.Na7 Kg7 27.Nc8+-) 26.g3 Rc1 27.Kg2 Rb1 (27...Rc5 28.Nd6+-) 28.Nd6 f5 (28...Rc1 29.Rf7 Rc3 30.Bd5+-) 29.Nf7 (29.Bd5 Kh8 30.Nf7 Kg7 31.Ng5 Kf6 32.f4 Rb2 33.Kf3 Rf2 34.Kf2 b5 35.Nh7) 29...b5 (29...Rb5 30.Rb7 Ra5 31.Ng5+-) 30.Ne5 (30.Nh6 Kh8 31.Bd5 Rc1 32.Bg8 Rg1 33.Kg1 b4 34.Rh7) 30...b4 (30...Kh8 31.Bd5 g5 32.Nf7 Kg7 33.Nd6 Kf6 34.Ne8 Ke5 35.Ba2+-) 31.Rb7 (31.Bd5 Kf8 32.Rf7 Kg8 33.Nd7 Rd1 34.Nf6 Kh8 35.Rh7) 31...b3 (31...Rc1 32.Bd5 Kf8 33.Rh7+-) 32.Rb3! Ra1 (32...Rb3 33.Bd5 Double attack (33.Bd5 Decoy)) 33.Bd5 Kg7 34.Rb6 (34.Rb7 Kf8 35.Rf7 Kg8 36.Nd7 Kh8 37.Nf6 Rg1 38.Kg1 h6 39.Rh7) 34...h6 (34...Ra7+-) 35.Rg6 Kh7 (35...Kh8 36.Rg8 Kh7 37.Nd7 Rg1 38.Kg1 h5 39.Nf8 Kh6 40.Rg6) 36.Bf7 (36.Bg8 Kh8 37.Nf7) 36...Ra7 37.Rf6 (better 37.Bg8!? Kh8+-) 37...Kg7 38.Rg6 (38.Rf5 Ra6+-) 38...Kf8?? (38...Kh7 39.Bg8 Kh8 40.Nf7 Rf7 41.Bf7 Kh7+-) 39.Rd6 (39.Bc4 Rh7+-) 39...Ra5 (39...Rf7 40.Nf7 Kf7 41.Rh6+-) 40.f4 (better 40.Bd5 h5 41.Nc4+-) 40...Ra2 (40...Re5 41.fe5 Kf7 42.Rh6+-) 41.Kf3 (41.Ba2 Ke7 42.Rd7 Ke8 43.Bf7 Kf8 44.Be6 Ke8 45.Ng6 h5 46.Rc7 h4 47.Rc8) 41...Ra3 42.Rh6 Ra7 43.Rh8 (43.Rh7 Ra6 44.Nd7 Ke7 45.Bc4 Kd8 46.Ba6 Kc7 47.Ne5 Kb6 48.Bd3 Kc5 49.h4 Kb6 50.Rh6 Kb7 51.Rc6 Ka7 52.Bc4 Ka8 53.Rc7 Kb8 54.Rg7 Ka8 55.Bd5 Kb8 56.Nc6 Kc8 57.Be6) 43...Ke7 44.Rh7 (better 44.Bg6 Kf6+-) 44...Ra5 45.Bg6 (better 45.Nc6 Kd6 46.Na5 Kd7 47.Bg8 Kd6 48.Nb7 Kc6+-) 45...Kf6 46.Bf5! Kf5 (46...Kf5 47.Rh6 Mate attack) 47.Rh5 (47.Rh6 Re5 48.g4) 47...Ke6+- 48.g4 Ra3 49.g5 Kd5 50.Rh6 (better 50.g6!? Ra8+-) 50...Kc5 51.Rf6 Kb4 52.h4 Kb3 53.h5 Ra8 54.h6 Rg8 55.Rb6 (55.Rb6 Kc3 56.g6+-) 1-0. ClayPigeons (2160) - kurt1967 (2115), Rated Bullet game, lichess.org, 2019.

4.d4 b6 5.Nf3 (5.e3 a6=) 5...Bb7 (5...a6 6.e3=) 6.Nbd2 (6.e3 a6=) 6...Ne4 (6...a6 7.e3=) 7.Ne4 Be4 8.Ng5 (8.Nd2 Bb7=) 8...Bb7 9.c3 (9.e3 a6=) 9...0-0 (9...a6 10.ba6 Na6 11.Nf3+=) 10.Nf3 (10.e3 a6=) 10...Bf3 11.ef3 d5 12.Bd3 c5 13.bc6 (13.0-0 a6=) 13...Nc6+= 14.0-0 e5 (14...Re8 15.f4+=) 15.Bb5 Qd6 (15...Rc8 16.Qa4 Qc7 17.Rfe1=) 16.a4 (16.Re1=) 16...ed4 (16...Rfe8 17.de5 Re5 18.Qd2+=) 17.cd4 (17.Ba3 Qf6 18.Bf8 Rf8 19.Bc6 Qc6 20.cd4 Qc3+/-) 17...Rac8 (better is 17...Rfc8!?+=) 18.Ba3+/- Nb4 19.Rb1 (19.Qd2 a5+=) 19...a5 20.Qd2 Qf6 (20...Rc7 21.Rfe1+=) 21.Bb4+/- ab4 22.Rb4 Qd6 (22...Rc7 23.Rc1 Rfc8 24.Rc7 Rc7 25.Qe3+=) 23.Rfb1+/- Rc7 (23...Qf6 24.Ba6 Rc6 25.Bb7+/-) 24.g3 (24.Ba6 Qf6+/-) 24...Rfc8+= 25.Bd3 (25.Ba6 Rc1 26.Rc1 Rc1 27.Kg2 Rd1+=) 25...Rc6 26.Kg2 Bf8 (26...Qf6 27.Ba6 R8c7 28.Re1+=) 27.Rb5+/- Rc2?? (better is 27...Bg7 28.Qb4 Qd7+/-) 28.Bc2+- h5 (28...Bg7 29.Rb6 Qc7 30.R1b2+-) 29.Rb6 Qc7 30.Bd1 Kh7 (30...Bg7 31.R6b5+-) 31.Rb7 Qd8 (31...Qd6 32.Rf7 Kg8 33.Rbb7+-) 32.Rf7 Kg8 33.Rbb7 Rb8 (33...h4 34.Qf4 h3 35.Kh3 Qe8 36.Qf6 Qd7 37.Rfd7 Be7 38.Re7 Rc1 39.Qg7) 34.Rbd7 Qe8 35.Qg5 Qf7 36.Rf7 Kf7 37.Qd5 (37.Qd5 Ke7 38.Qe5 Kd7 39.Qb8+-) 1–0. mic – vitorcosta, net–chess.com, 2017.

4.d4 c6 5.a4 0-0 6.c4 a6 7.Nf3 d5 8.Nc3 (8.cd5 cd5 9.e3 Bf5=) 8...dc4 9.e3 ab5 10.ab5 Ra1 11.Ba1? (better 11.Qa1 cb5 12.Nb5=+) 11...cb5-+ 12.Nb5 Qa5 13.Nc3 Nd5 (13...b5 14.Be2-+) 14.Qc1 b5 15.Nd2 Be6 16.Be2 (16.Nce4 Rc8-+) 16...Nc6 (16...Nc3 17.Bc3 b4 18.Ba1-+) 17.0-0 (17.Nd5 Bd5 18.0-0 Qa2-+) 17...Nc3 18.Bc3 b4 19.Ba1 c3 20.Nf3 (20.Bf3 Rc8 21.Ne4 Bd5-+) 20...Rc8 21.Bd3 Bb3 22.Qb1 Be6 23.Rc1?? (23.Qc1 Bg4 24.Be4-+) 23...h5 (23...Qa3 24.Ng5 Ba2 25.Qc2-+) 24.Ne1 (24.Qc2 Bd5-+) 24...Bd5 25.f3 (25.Be4 Be4 26.Qe4 Qf5 27.Qf5 gf5 28.Bc3 bc3 29.Rc3 f4-+) 25...f5 (better 25...e5 26.de5 Qa7-+) 26.Nc2?? (26.f4 Ra8-+) 26...Rb8 Black intends b3 (better 26...Ba2 27.Bc4 Bc4 28.Nb4 Qb4 29.Bc3 Qb1 30.Rb1 f4-+) 27.Ne1 (27.Nb4 e5 28.Qc2 Qb4 29.Bc3 Qb6-+) 27...Qa2 Black prepares the advance b3 (better 27...e5 28.de5 Qa7 29.Kh1 Qe3 30.Bc2-+) 28.h3? (28.Qa2 Ba2 29.Bc3 bc3 30.Rc3-+) 28...Qb1 (28...Qd2!? 29.Kh1 Qe3 30.Rd1-+) 29.Rb1 Na5 (better 29...e5 30.de5 Be5-+) 30.Bc2?? (better 30.Bc3 Nb3 31.Bb2-/+) 30…b3 (30...b3 31.Bc3 Rc8 32.Ba5 bc2-/+ (worse 32...Rc2 33.Nc2 bc2 34.Rc1+/-)) 0-1. ClayPigeons (2105) - Hapoel (2205), Rated Bullet game, lichess.org, 2021.

4.Bf6 Bf6 5.d4 0-0 6.c3 c5 7.a4 (7.e3 Qa5=+) 7...cd4 8.cd4 Qa5 9.Nd2 (better 9.Qd2!? Qd2 10.Nd2 Bd4 11.Rc1=+) 9...Bd4-/+ 10.e3? (better 10.Rc1!?-/+) 10...Ba1-+ 11.Qa1 d6 12.Bd3 (12.Ne2 a6 13.Nd4 e5-+) 12...Be6 (12...a6 13.Qd1-+) 13.Ne2 Nd7 14.0-0 (14.Be4 Nc5 15.Qd4-+) 14...Ne5 (14...Qd2 15.Rd1 Qa5 16.Nd4-+) 15.Bc2 (15.Bg6 Qd2 16.Bh5 a6-+) 15...Qd2 16.Rd1 (16.Nd4-+) 16...Qe2 17.Re1 (17.Be4 Ng4 18.Rf1 Bc4-+) 17...Qc2 18.Rc1 Qf5 19.Re1 Qg5 (better 19...Rfc8 20.Qd1-+) 20.f3 Nf3 21.Kf2 Ne1 22.Ke1 Qg2 (22...Qe3 23.Kf1 Bc4) 23.Qa2 Ba2 24.Kd1 (24.h4 Rfc8 25.Kd1 Bb3 26.Ke1 Rc1) 24...Rac8 25.Ke1 (25.a5 Bb3 26.Ke1 Rc1) 25...Bb3 (25...Rc1) 26.h3 (26.a5 Rc1) 26…Rc1 0-1. afsharian - cloudlets (2210), lichess.org, 2018.

4.g3 0-0 5.Bg2 (--> 3.g3 Bg7 4.Bg2 0-0 5.b5).

4.a4 0-0

5.b5 a5 6.e3 d5 7.Nf3 Nbd7 8.Be2 Nc5 9.cd5 b6 10.0-0 (10.Bf6 Bf6 11.Nc3 Bf5+/-) 10...Nd5 (10...Bb7 11.Bf6 Bf6 12.d4+=) 11.d4 (11.Bg7 Kg7 12.d4 Ne4+/-) 11...Ne4 12.Nfd2 Nd2 13.Nd2 Bb7 14.Bf3 e6 (14...Rc8 15.Qb3+=) 15.Rc1 Rc8 16.Ba3 Re8 17.Nc4 Bf8 (17...Qg5 18.Qe2+=) 18.Bf8+/- Kf8 19.Ne5 Kg7 20.Qc2 (20.Qe2 Qd6+/-) 20...Nb4 21.Qd1 (21.Bb7?! Nc2 22.Rc2 Rb8=+) 21...Bf3 (21...Nd5 22.Qe2 Qg5+/-) 22.Qf3+/- (22.gf3?! c5=) 22...Qf6 23.Qb7 Qe7 24.Rc4 f6 25.Nc6 Nc6 26.Rc6 (26.bc6? Ra8-+) 26...Qb4 (26...Kh8 27.h3 Kg8 28.Rfc1+-) 27.Rc7 Rc7 28.Qc7 Re7 29.Qb6 Qa4 30.Qc5 (better 30.Rc1+-) 30...Qb4? (better 30...Rb7 31.Rb1 Qa2+/-) 31.Qb4+- ab4 32.Rb1 Ra7 33.g3 Ra4 (33...Kf7 34.Rb4 Ke7 35.e4+-) 34.b6 Kf8 (34...Ra8+-) 35.b7 Ra8 36.ba8Q (36.ba8Q Ke7 37.Qb7 Kd8 38.Ra1 b3 39.Ra8) 1-0. BeepBeepImAJeep (2715) - ajedrez2021 (2565), Rated Bullet game, lichess.org, 2020.

5.c4 Re8 6.Nf3 d6 7.d4 Nbd7 8.e3 e5 9.Be2 ed4 10.Nd4 Nc5 (10...Ne5 11.0-0=) 11.0-0 Nfe4 12.Nd2 h5 (12...Bd4 13.Bd4 Nd2 14.Qd2=) 13.Ne4+= Ne4 14.Qc2 Qe7 15.Bf3 Nc5 (15...a5 16.h3+=) 16.Bd5 (better is 16.a5+=) 16...Bd7? (better is 16...Be6+=) 17.Qg6+- Be6 18.Qg3 (better is 18.Qh5!? Bd5 19.Nf5+- (19.cd5?! Qe4+-; 19.Qd5?! Qe4+-)) 18...h4+/- 19.Qg7! Kg7 20.Nf5 Kg6 (20...Kf8 21.Ne7 Ke7 22.Bd4+/-) 21.Ne7 Re7 22.Rfd1 Bd5 23.Rd5 f5 24.Ba3 (24.a5 Re4 25.Bd4 Nb3+/-) 24...Ne4 25.c5 (25.a5 Rae8+/-) 25...dc5 26.Bc5 Re6 27.Bd4 a6 28.f3 Nd6 (28...Nf6 29.Rc5 ab5 30.ab5 Ra1 31.Ba1+/-) 29.Rc1 ab5 30.ab5 Ra5 (better is 30...Re7+/-) 31.Rb1?? (better is 31.Rc7 Rb5 32.Rb5 Nb5 33.Rg7 Kh5 34.Rb7 Nd4 35.ed4+-) 31...c6= 32.Re5 (32.bc6 Rd5 33.cb7 Nb7 34.Rb7 Rc6=) 32...Re5+= 33.Be5 Rb5 (33...Nb5 34.Rb4 Kg5 35.e4+=) 34.Rb5= Nb5 35.Kf2 Na3 36.Bd6 Nc4 37.Be7 Kh5 38.h3 b5 (38...Ne5 39.Bd6 Nf7 40.Bc5+=) 39.Ke2 (39.e4 f4=) 39...Nb6 (39...Ne5 40.e4=) 40.e4 fe4 41.fe4 Nd7 42.Ke3 c5 43.Kd3 (43.e5 Ne5 44.Bc5 Ng6=) 43...Ne5 44.Kc3 Nd7 (44...c4 45.Bd6 Nd3 46.Kd4=) 45.Bd6 (45.Kb3 c4 46.Kb4 Ne5+/-) 45...Kg5 46.Be7 (46.g4!? Kf6 47.Bf4=) 46...Kf4+= 47.Bh4 Ke4 48.Bf2 (48.g4+=) 48...Kf4 (better is 48...Kd5!?-/+) 49.Bc5 Nc5 50.Kb4 Ne4 51.Kb5 Kg3 52.Kc6 Ng5 53.Kd7 Nh3 54.gh3 Kh3 ½–½. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

5.c4 Re8 6.Nf3 d6 7.d4 Nbd7 8.e3 e5 9.de5 (9.Be2 ed4 10.Bd4 Nc5=) 9...Ng4+= 10.Be2 Nge5 11.Ne5 (11.Bd4 Nf3 12.Bf3 Ne5+=) 11...Ne5 12.Nc3 (12.0-0 Nf3 13.Bf3 Bb2=) 12...Qg5 (12...Be6!?-/+) 13.0-0= Bh3 (13...Ng4 14.Qd2 Qe5 15.Bg4 Bg4 16.Ra2+=) 14.Qd5+= c6 (14...Be6 15.Qb7 Reb8 16.Qc7+=) 15.f4 cd5 (15...Qe7 16.Qd2 Nd7 17.e4+=) 16.fg5 Be6 (16...Bg4 17.cd5 Be2 18.Ne2=) 17.Nd5 (17.cd5 Bg4+/-) 17...Bd5 (17...Nc4 18.Bc4 Bb2 19.Ra2+=) 18.cd5+/- Nf3 (18...Nd7 19.Bg7 Kg7 20.Rac1+/-) 19.Rf3+- Bb2 20.Raf1 Re7 21.Bd3 Rc8 22.Rb1 (22.e4 Be5+/-) 22...Be5 (22...Bc1 23.Kf2 Rc3 24.b6 ab6 25.Ke2+=) 23.e4 Rc3 24.a5 b6 (24...Kg7 25.g3+/-) 25.a6 Rec7 26.g3 Ra3 (better is 26...h6 27.gh6 Kh7+/-) 27.Be2 (27.Rbf1 Ra2+/-) 27...Ra2 (27...Ra4 28.Kg2 Re4 29.Rf2=) 28.Bd1 (28.Kf1 Rcc2 29.Re1 Bc3+=) 28...Rd2+= 29.Kh1 Rc4 30.Re3 Bd4 (30...Kg7 31.Bb3 Rc7 32.Rbe1+=) 31.Re2+/- Rd3 32.Rc2 (32.Kg2 Rdc3+/-) 32...Rc5 (32...Rc2 33.Bc2 Rc3 34.Rd1+/-) 33.Rc5 dc5 34.Bb3 (34.Bg4 Be5+/-) 34...Be5+= 35.d6 (35.Kg2 Kf8+/-) 35...Rd6= 36.Bd5 (36.Rf1 Rd7=) 36...Kg7 37.Rf1 The backward pawn on f7 becomes a target 37...Rd7 (37...f6 38.gf6 Rf6 39.Kg2=) 38.Kg2+= Rc7 (38...Bd4 39.Bc4+=) 39.Bc4 Re7 40.h4 Bd4 41.Bd5 (41.Kf3 h6+=) 41...Rc7= 42.Bc4 Re7 43.Bd5 (43.g4 Bc3+=) 43...Rc7= 44.Bc4 (44.Rd1 Rd7=) 44...Re7 ½–½. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

5.c4 Re8 6.Nf3 d6 7.e3 e5 8.Be2 (8.d4 e4 9.Nfd2 c5=) 8...Nbd7 (8...e4 9.Nd4=) 9.Nc3 (9.d4 ed4 10.Bd4 Nc5=) 9...e4 10.Nd4 Nc5 (10...c5 11.bc6 bc6 12.f3= (worse is 12.Nc6 Qb6-/+)) 11.0-0 h5 (11...d5 12.cd5 Nd5 13.Nd5 Qd5 14.Rc1=) 12.Nb3 (12.f3 ef3 13.Bf3 Nd3+=) 12...Bf5 (12...Nd3 13.Bd3 ed3 14.Qb1=) 13.Ba3 (13.Nc5 dc5 14.f3 ef3 15.Bf3 Rb8+=) 13...Nfd7 14.Qc2 (14.Nd4 Bd4 15.ed4 Ne6=) 14...Rc8 (14...Qg5 15.Kh1+=) 15.a5 (15.Bb2 Qg5 16.Nd5 Nd3 17.Bg7 Bh3= (worse is 17...Kg7 18.Bd3 ed3 19.Qc3 Kg8 20.Nd4+/-)) 15...Qg5+= 16.Kh1 Nd3 17.Rad1 (17.Bd3 ed3 18.Qb1 Qh4+=) 17...N7e5 (17...h4-/+) 18.Nd5 (18.c5 Qh4-/+) 18...Ng4 (18...c6 19.bc6 Rc6 20.Nd4 Nc4 21.Nc6 Na3 22.Nde7 Re7 23.Ne7 Qe7 24.Qb3+=) 19.Bg4? (better is 19.Kg1!?-/+) 19...Bg4-+ (19...Qg4?! 20.b6 cb6 21.ab6+=; 19...hg4?! 20.Nd4-/+) 20.f4?? (better is 20.Rb1-+) 20...ef3! (20...Bd1?! 21.Qd1 (21.fg5?? Bc2 22.Nd4 Ba4-+) 21...Qf5 22.Nb4-+) 21.Qd3 (21.gf3 Bh3 Combination) 21...fg2 22.Kg2 Bf5 (22...Bf5 23.Kf2 Bd3-+) 0–1. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

5.e3 b6 6.c4 Bb7 7.Nf3 a6 8.Nc3 ab5 9.ab5 Ra1 10.Ba1 d5 11.cd5 Nd5 12.Nd5 Qd5 13.Bg7 Kg7 14.Be2 Rd8 15.0-0 Qa2 16.Nd4 (16.Qc1!? Bf3 17.Qc3 f6 18.Bf3 Rd2 19.Qc7+=) 16...e5= 17.Nf3 Bf3 18.Bf3 Rd2 19.Qc1 Qc2 20.Qa1 Nd7 21.Bc6 f6 22.Qa7 Nc5 (better 22...Qd3 23.Qc7 Rd1 24.Qd7 Qd7 25.Bd7 Rd7=+) 23.Qc7+/- Kh6 24.h3 (better 24.Qe7!? e4 25.Qf6+-) 24...Nd3= 25.Qe7 (better 25.Qb6 Rf2 26.Rf2 Qf2 27.Kh2=) 25...Nf2?? (better 25...Rf2 26.Ra1 Qe2-/+) 26.Qf6 Ne4? (26...Qc5 27.Rf2 Qe3+-) 27.Qh4 Kg7 28.Be4 (28.Be4 Qc7 29.Qf6 Kh6 30.g4+-; worse 28.Qe4 Qe4 29.Be4 Re2+-) 1-0. brucepeng (2000) - hongphu (2055), lichess.org, 2021.

5.e3 b6 6.c4 Bb7 7.Nf3 c6 8.Be2 a6 9.Nc3 ab5 10.cb5 c5 11.0-0 d5 12.d3 Nbd7 13.Re1 Re8 14.Rb1 e5 15.Bf1 (15.d4 ed4 16.ed4 Ne4=) 15...Qe7 (15...d4 16.Na2-/+) 16.Ba1 (16.d4 Rec8=+) 16...Qd6 Black intends d4 (16...d4 17.ed4 Bf3 18.gf3 cd4 19.Ne2-/+) 17.Qb3 (17.d4 ed4 18.ed4 Re1 19.Ne1 c4=+) 17...d4-/+ 18.ed4 (18.Ng5 dc3 19.Qf7 Kh8 20.Qe8 Ne8 21.Nf7 Kg8 22.Nd6 Nd6 23.Bc3 Ra4-/+) 18...ed4 (18...Bf3 19.gf3 cd4 20.Ne4 Ne4 21.fe4-+) 19.Ne4 (19.Ng5 Re1 (19...dc3?! 20.Qf7 Kh8 21.Qe8 Ne8 22.Re8 Qf8 23.Rf8 Nf8 24.Rc1=) 20.Qf7 Kh8 21.Re1 dc3 22.Bc3 Bd5-/+) 19...Ne4-+ 20.de4 Be4 21.Rbd1 Bd5 22.Bc4 Nf6 (22...Bc4 23.Qc4 Ne5 24.Ne5 Be5 25.g3-+) 23.Re8 Re8 24.h3 h6 25.Nd2 Qe5 26.Nf3 Qe6 27.Bd5 Qd5 28.Qd5 (28.Qc2 Nh5-+) 28...Nd5 29.Bb2 Ra8 30.Ra1 Nb4 31.Nd2 Nc2 (31...Nd3!? 32.Bc1 Nc1 33.Rc1 Ra4 34.Kf1-+) 32.Ra2 Nb4 33.Ra3?? (33.Ra1 Nd3 34.Bc1 Nc1 35.Rc1 Ra4 36.Kf1-+) 33...Nd5 34.Nc4 White plans a5 34...Re8 35.a5 ba5 36.Na5? (36.Kf1 Nb4 37.g4 d3 38.Bg7 Kg7-/+) 36...Nf4 (36...Re1!? 37.Kh2-+) 37.g3 (37.Nc4 Kf8-/+) 37...Ne2 (better 37...d3!? 38.gf4 d2 39.Rd3 Re1 40.Kg2-+) 38.Kg2 (38.Kf1 Nc3 39.b6-/+) 38...Ra8 (better 38...Rb8!? 39.Rb3 Ra8-/+) 39.b6=+ Rb8 40.b7 c4 41.Ra1?? (41.Nc4 Rb7 Deflection) 41...c3-+ 42.Ba3 d3 43.Bd6 (43.Rd1 Bf8 44.Rd3 Ba3 45.Rd7-+) 43...Rb7!! 44.Nb7 c2 45.Bf4 (45.Ra8 Kh7 46.Rc8-+) 45...Ba1 (better 45...Nf4 46.gf4 Ba1 47.Nd6-+) 46.Bd2 Bc3 (46...c1Q 47.Bc1 Nc1 48.Nd6-+) 47.Be3 (47.Nc5 Bd2 48.Nd3-+) 47...d2 48.Bd2 Bd2 49.Kf3 c1Q (better 49...Nd4 50.Ke4 Nb3 51.Kf3-+) 50.Ke2 Qe1 (50...Be1 51.g4-+) 51.Kf3 Qe7 52.Na5 Qe5 (52...Ba5 53.h4 Qb7 54.Ke3 Qb3 55.Kd4 Bb6 56.Ke4 Qc2 57.Ke5 Qe2 58.Kd5 Qe6) 53.Nb3 Qc3 54.Ke2 Qb3 (better 54...Bg5 55.f4 Qc4 56.Kd2-+) 55.Kd2 f5 56.Ke2 Kf7 57.Kf1 Kf6 58.Kg2 g5 59.h4 h5 60.hg5 Kg5 61.Kh3 (61.Kh2 Kg4 62.Kg2 h4 63.Kf1 Qd1 64.Kg2 h3 65.Kh2 Qf3 66.Kg1 Qg2) 61...Qf3-+ 62.Kh2 Qf2 (62...Kg4 63.Kg1 Kh3 64.Kf1 Qd1) 63.Kh3 (63.Kh1 Qe2 64.Kg1 Kg4 65.Kh1 Kg3 66.Kg1 Qd1) 63...Qf3 (63...Qg1 64.g4 hg4) 64.Kh2 Kg4 65.Kg1 Qg3 (65...Kh3 66.g4 Qg2) 66.Kf1 Qa3 (66...Qd3 67.Ke1 Qc2 68.Kf1 Kf3 69.Kg1 Qg2) 67.Ke2 (67.Kg2 Qb2 68.Kf1 Kf3 69.Kg1 Qg2) 67...Kf4 (67...Qc3 68.Kd1 f4 69.Ke2 Qc2 70.Kf1 f3 71.Kg1 Qg2) 68.Kd2 (68.Kf2 Qb2 69.Kf1 Kf3 70.Kg1 Qg2) 68...Ke4 (68...Qb3 69.Kc1 Qa2 70.Kd1 Ke3 71.Kc1 Kd3 72.Kd1 Qd2) 69.Kc2 Kd4 70.Kd1 (70.Kd2 Qa2 71.Ke1 Ke3 72.Kf1 Qf2) 70...Qb2 71.Ke1 Ke3 72.Kf1 Qf2 0-1. brucepeng (2040) - alfonsonaranjoa (2040), lichess.org, 2021.

5.e3 c5 6.Nc3 e5 7.f4 (7.e4!?=+) 7...ef4-/+ 8.ef4 Re8 9.Be2 (9.Nce2 d5-/+) 9...d5-+ 10.Nf3 (better 10.Na2!?-+) 10...d4 11.Nb1? (11.0-0 Nh5-+) 11...Qe7 (better 11...Nh5 12.0-0 d3 13.Bd3 Bb2-+) 12.Kf1 Nd5 13.g3?? (better 13.Bc4 Nb6 14.Bb3-+) 13...Bh3 14.Kf2 (14.Ke1 d3! 15.Be5 de2 16.Qe2-+) 14...Nd7 (better 14...Ne3 15.Re1 Nd1 16.Bd1 Qd7-+) 15.Re1 (15.Ra3 Ne3! 16.de3 de3 17.Kg1 Bb2 18.Rb3-+) 15...N7f6?? (better 15...Ne3 16.Qc1 Ng2-+) 16.Bd3 Ng4 (16...Qc7 17.Ne5-/+) 17.Kg1 Qd6 18.Na3 Nf4 (better 18...Re1!? 19.Qe1 Qd7-/+) 19.Nc4 (19.Re8 Re8 20.Nc4 Qf6 21.gf4 Qf4+=) 19...Qc7 (19...Re1 20.Ne1 Qf6 21.gf4 Qf4=) 20.Ng5?? (20.gf4 Qf4 21.Re8 Re8 22.Bf1 Nh2 23.Nh2+= (23.Bh3?? Nf3 24.Kg2 Qh2 25.Kf3 Qh3 26.Kf2 Bf6 27.Bd4 Qh4 28.Kf3 Bd4-+)) 20...Nd3 (better 20...h6 21.Nh3 Nh3 22.Kg2 Qd7-+) 21.cd3= Re1 22.Qe1 Ne5 (22...Nh2!? 23.Kh2 Bf5=) 23.Ne5+= Be5 (23...Bf5 24.Nc4+= (24.Ngf7?! Re8=+)) 24.Nh3+/- Re8 25.Qf2 Re6 26.Rf1 Rf6 27.Qg2 1-0. cabbage9 (2840) - zsolti_83 (2655), Rated Bullet game, lichess.org, 2020.

5.e3 c5 6.c4 d5 7.cd5 Qd5 8.Nc3 Qd8 9.Nf3 Bf5 10.Be2 Nbd7 11.0-0 Qc7 12.Rc1 Ng4 13.h3 Nge5 (13...Ngf6 14.d3+=) 14.d4+/- cd4 (14...Nf3 15.Bf3 cd4 16.Ne2+/-) 15.Nd4 Nc4?? (better 15...Nc5!? 16.Nf5 gf5+/-) 16.Ba1 (16.Bc4 Ne5 17.Nd5 Qd6 18.Nf5 gf5+-) 16...Rfd8? (better 16...Ncb6+-) 17.Nf5 (17.Nd5 Qd6 18.Bc4 Ne5 19.Nf5 gf5+-) 17...gf5 (17...Ndb6 18.Ng7 Rd1 19.Rfd1+- (19.Bd1?! Nd2+/-; 19.Rcd1?! Qc5+-)) 18.Qb3 (better 18.Nd5 Qd6 19.Bg7 (19.Rc4?! Ba1 20.Nc7 Be5 21.Na8 Ra8+-) 19...Kg7 20.Bc4+-) 18…Nce5. brucepeng (2005) - Bordwalk2000 (2025), lichess.org, 2020.

5.e3 Ne8 6.Bg7 Ng7 7.c4 a6 8.Nc3 a5 (8...e5 9.Nf3 Re8 10.Be2=) 9.Nf3 b6 10.Be2 Bb7 11.0-0 d6 12.d3 Nd7 13.Nd4 Ne5 14.Nf3 Nd7 15.Nd4 Ne5 16.Ne4 (16.f4 c5 17.bc6 Nc6+/-) 16...f5 17.Ng3 (17.Ng5 Qd7+=) 17...c5 (17...f4 18.ef4 Rf4 19.Nc2=) 18.bc6+= Nc6 19.Nc6 Bc6 20.Bf3 Qc7 21.d4 (21.Rb1!?+=) 21...Bf3= 22.gf3 (22.Qf3 Qc4 23.Rfc1 Qf7=) 22...Ne6 (better 22...Qc4!? 23.Rc1 Qf7-/+) 23.Rc1 Rac8 24.Re1 Ng5 25.f4 Ne4 26.Ne4 fe4 27.Qg4 Rcd8 (27...Rf5!?=) 28.Qe6+= Kg7 29.Qe4 Qd7 30.c5 Qg4 31.Kf1 Qh3 (31...bc5 32.dc5 Qh3 33.Kg1 Qg4 34.Qg2+/-) 32.Ke2 (better 32.Qg2 Qg2 33.Kg2 bc5 34.dc5 dc5 35.Rc5+/-) 32...d5?? (better 32...dc5 33.dc5 Qh5 34.Kf1 bc5 35.Qe7 Kg8+=) 33.Qe5 (33.Qe7 Kg8 34.cb6 Rfe8+-) 33...Kg8 34.Rg1 (34.cb6 Rd6 35.Rc7 Rb6 36.Qe7 Qh5 37.Kd2 Qh6+-) 34...Qf5? (34...bc5 35.Rc5 Qh2 36.Rg5+-) 35.Qe7 (better 35.cb6 Rb8 36.Rc6 Rb7+-) 35...Qf7? (35...Rde8 36.Qd6 Re6 37.Rg5 Rd6 38.Rf5 Rf5 39.cd6+-) 36.Qe5 (better 36.Qf7 Rf7 37.cb6+-) 36...Rde8 37.Qg5 Qf4 38.Qf4 Rf4 39.Rg3 (better 39.Rgd1 Rf6 40.cb6 Rb6 41.Rc5+-) 39...Rd4+= 40.Rd1?? (better 40.cb6 Ra4 41.b7+=) 40...Rd1-+ 41.Kd1 Kg7?? (better 41...bc5 42.Rg5 Rd8-/+) 42.Rg5 (better 42.cb6!? Kf6 43.Rh3+/-) 42...bc5= 43.Rd5 c4 (better 43...Re4!?=) 44.Rc5 (44.Ra5 Rc8+-) 44...c3 (44...Re4 45.Ra5 Kf6 46.Ra6 Ke5 47.Kc2+-) 45.Kc2+- (45.Rc3?! Re4=) 45...Kh6 (45...Rf8 46.f4+-) 46.Kc3 (46.Rc3?! Re4 47.Kb3 Rb4 48.Ka3 Rh4+=) 46...Re4 (46...Ra8 47.f4+-) 47.Ra5 Re7. brucepeng (2035) - SlavaBogy777 (2050), lichess.org, 2020.

5.e4 a6 6.c4 (6.e5 Ne4=) 6...ab5 (6...Ne4 7.Bg7 Kg7 8.Qc2-/+) 7.ab5 (7.e5 Ne8 8.ab5 Ra1 9.Ba1 d6=) 7...Ra1-/+ (7...Ne4?? 8.Ra8 Bb2 9.Qc2+- (9.Rb8?! Bd4 10.Nh3 d5+-)) 8.Ba1 c6 (8...Ne4 9.Bg7 Kg7 10.Nf3-/+) 9.Nf3 (9.e5 Ne4=) 9...b6 (9...Ne4 10.Bg7 Kg7 11.Be2=+) 10.Be2 (10.e5 Nh5=) 10...d5 (10...Ne4 11.Bg7 Kg7=+) 11.0-0 (11.cd5 cd5 12.e5 Ne8=) 11...dc4 (11...de4 12.Ne5-/+) 12.Bc4 (12.e5!? Nd5 13.Bc4 cb5 14.Bb5=) 12...cb5=+ 13.Bb5 Bd7 (13...Ne4 14.Bg7 Kg7 15.Re1=+) 14.Nc3 (14.Bd7!? Nbd7 15.Re1=) 14...Bb5 (better 14...Ne4 15.Bd7 Nc3 16.Bc3 Nd7=+) 15.Nd5?? (better 15.Nb5 Ne4 16.Bg7 Kg7 17.Qe2=+) 15...Bc6 (better 15...Nd5 16.Bg7 Kg7 17.ed5 Bf1 18.Qf1 Qd5 19.Qc1-+) 16.Qc1 (16.Nf6 ef6 17.d3-+) 16...Na6 (16...Nd5 17.Bg7 Kg7 18.ed5 Bd5 19.Qc3 f6 20.Rd1-+) 17.Qd1?? (better 17.Nf6 Bf6 18.Qc6 Ba1 19.Ra1+=) 17...h5 (17...Bd5 18.ed5 Nb4 19.Qe2-+) 18.Ne3 (18.Nf6 Bf6 19.e5-+) 18...Ne4 (18...Be4 19.Ne5-+) 19.d4?? (better 19.Bg7 Kg7 20.Qa1 Nf6 21.Qa6 Bf3 22.gf3-+) 19...Ba4 (better 19...Nf6-+) 20.h4?? (better 20.Qa4 Nc7 21.Qc6=) 20...Ng3 (better 20...Bd1 21.Rd1 Nb4-+) 21.Qe2 (21.Qa4 Nf1 22.Kf1-+) 0–1. RichardSommer (2110) – admiralwurst (2165), lichess.org, 2020.

5.c4 a5

6.Qb3 c6 7.f3 (7.d4 d5=) 7...d5 8.d4 dc4 9.Qc4 Be6 10.Qd3 Qb6 (10...Nd5 11.e3=+) 11.e4 Nfd7 (11...Rd8 12.Ne2=+) 12.Ne2 Rd8 13.Nd2 cb5 14.ab5 The passed pawn on a5 will become decisive later 14...Ne5 15.Qc3 Ned7 (15...Rc8 16.Qa3 Nc4 17.Nc4 Bc4 18.Nf4 Bf1 19.Nd5 Qb5 20.Rf1-+) 16.Nf4= Nf6 (16...a4 17.Ne6 Qe6 18.Nb3=) 17.Ne6+= fe6? (17...Qe6!? 18.Bc4 Qb6+-) 18.Ra4 (18.Nb3 a4 19.Nc5 Ne4 20.Ne4 Bd4+-) 18...Nbd7 (18...Ne8 19.Nb3+-) 19.Qb3 Ne8 20.Bc4 (better 20.Nc4!? Qc7 21.b6+-) 20...Nc7 21.Qc3 (better 21.Be2+-) 21...Nc5? (better 21...Nb5 22.Qe3 Qc6=) 22.Ra3?? (22.dc5 Bc3 23.cb6 Bd2 24.Ke2+-) 22...Nd7 (better 22...Nb5 23.dc5 Bc3 24.cb6 Bd2 (24...Bb2?! 25.Be6 Kg7 26.Rb3-/+) 25.Ke2 Na3 26.Be6 Kf8 27.Ba3 Bb4 28.Bb4 ab4-+) 23.Qe3 Kf8 (23...a4 24.Rd3=) 24.0-0 (24.Bd3 e5 25.Nc4 Qb5 26.d5+=) 24...e5+= 25.Nb3 (25.Rd3+=) 25...ed4 (25...Nb5 26.Nc5 Na3 27.Ne6 Kg8 28.Qa3-/+) 26.Bd4 (better 26.Qf4 Nf6 27.e5 d3 28.Bd4 Rd4 29.Nd4+-) 26...Bd4= 27.Qd4 (better 27.Nd4!? e5 28.Nc2=) 27...a4-/+ 28.Qb6? (better 28.Rf2 e5 29.Qd2-/+) 28...Nb6-+ 29.Bd5 (29.Be2 ab3 30.Rb3 Rd2-+) 29...ab3 (29...Nb5!? 30.Raa1 Nd5 31.Nc5-+) 30.Ra8 Ra8 31.Bb3 Nb5 32.g4 (32.Rd1 e5-+) 32...Nd4 33.Bd5 Nd5 34.ed5 Rd8 35.Kg2 (35.Kf2 Rd5 36.Ke3 Nc2 37.Ke4 Rd4 38.Ke5 b5-+) 35...Rd5 36.h4 Nc2 (36...b5 37.Kf2-+) 37.Rc1 (37.Rb1 b5 38.f4-+) 37...Nd4 (37...Rd2 38.Kg3-+) 38.Rd1?? (38.Rf1 b5 39.Kf2-+) 38...e5-+ 39.Kf2 b5 40.Ke3 (40.Ra1 Rd7 41.Ra8 Kg7-+) 40...Ke7 (40...Nf5 41.Ke2 Rd1 42.Kd1 Nh4 43.Ke2-+) 41.f4 (41.Ra1 b4 42.Ke4 Ke6 43.Ra6 Rd6-+) 41...ef4 42.Kf4 (42.Ke4 Rd7 43.h5-+) 42…Ne6 (42...Ne6 43.Ke4 Rd1-+) 0–1. lindsey000 – sinclaird, gameknot.com, 2017.

6.Qb3 d6 7.d4=+.

6.b5 c6 7.e3 cb5 8.cb5 d6 9.Nf3 Nbd7 (9...e5 10.Be2=) 10.Be2 Nc5 11.0-0 Bg4 12.d4 Bf3 (12...Nce4 13.h3 Bf5 14.Bd3+=) 13.Bf3+= Nce4 14.Nd2 d5 15.Ne4 de4 16.Be2 Qb6 17.Rc1 Rad8 18.Qb3 e6 (18...Qd6 19.Ba3 Qd7 20.b6+-) 19.Ba3 Rfe8 20.Bc5 Qc7 21.b6 Qb8 22.Bb5 Nd5? (better 22...Nd7+-) 23.Be8 Re8 24.Qb5 Nb4?! (24...Qa8+-) 25.Bb4 ab4 26.Qb4 (26.Rc7 Rd8+-) 26...Bf8 27.Qb5 Bd6 28.g3 (28.h3 Rc8+-) 28...h5 (28...e5 29.Rfd1 Rd8 30.de5+-) 29.Rc2 (29.f3 ef3 30.Rf3 Rd8+-) 29...h4 30.a5 hg3 (30...Kg7 31.Rfc1+-) 31.fg3 Kg7 32.Rcf2 (better 32.Qd7 Re7 33.Qc8 Bg3 34.Qc5+-) 32...Bg3 (32...f5+-) 33.Rf7 Kg8 (33...Kh6 34.Qe2 Bh4+-) 34.Qg5 Bh2 (34...Bf2 35.R7f2 Re7 36.Qe7 Qh2 37.Kh2 g5 38.Rf8) 35.Kh1 Qg3 36.Qh6 (36.Qh6 Qg1 37.Rg1 Kf7 38.Qh7 Kf6 39.Rg6 Kf5 40.Qf7; 36.Qf6 Qf3 37.Rf3 Be5 38.Qg6 Kh8 39.Qh7) 1–0. BeepBeepImAJeep (2595) – schrambo (2055), lichess.org, 2016.

6.Nc3 c6 7.d4=.

6.Nc3 d5 7.Nd5 Nd5 8.Bg7 Kg7 9.cd5 Qd5=.

6.Nc3 d5 7.e3 c5 8.Nf3 (8.Nd5 Nd5 9.Bg7 Ne3 10.de3 Kg7+=) 8...b6 (8...Bg4 9.cd5 Nd5 10.h3=) 9.d4 (9.Nd5 Nd5 10.Bg7 Kg7 11.cd5 Qd5 12.d4+=) 9...Nbd7 (9...cd4!? 10.Nd4 Bb7=) 10.Nd5 Nd5 11.cd5 Bb7 12.e4 (12.Bc4!?+/-) 12...e6+= 13.de6 fe6 14.Bd3 (14.Qb3 Qe7 15.Qe3 cd4 16.Nd4 Be4=) 14...cd4= 15.Nd4 Nc5 16.Bc4 Be4 (16...Qh4 17.Qe2 Rae8 18.0-0 Be4 19.Rfd1=+) 17.0-0 (better 17.Ne6!? Ne6 18.Be6 Kh8 19.Bg7 Kg7 20.0-0+/-) 17...Bd5 18.Bd5 Qd5 (worse 18...ed5 19.Nc6 Qd6 20.Bg7 Kg7 21.Qd4 Rf6 22.Rae1+=) 19.Rb1?? (better 19.Qg4=+) 19...Rad8-+ 20.Nc6 (20.Nb3 Qd1 (20...Nb3?! 21.Qd5 ed5 22.Bg7 Kg7 23.Rb3=+; 20...Qb3?! 21.Qb3 Nb3 22.Bg7 Kg7 23.Rb3=+) 21.Rbd1 Nb3-+) 20…Qd1 (20...Qd1 21.Rfd1 Rd1 22.Rd1 Bb2-+) 0-1. Federtiu (2665) - ajedrez2021 (2630), Rated Bullet game, lichess.org, 2020.

6.Nc3 d5 7.e3 d4 8.ed4 Qd4 9.Nf3 Qd8 10.Be2 Nbd7 11.0-0 e5 12.Nd5 Nd5-/+ 13.cd5 Re8 14.Bc4 Nb6 15.Bb3 Nd5 16.Re1 Bg4 17.h3 (better 17.d4!? e4 18.Qc1-/+) 17...Bf3-+ 18.Qf3 Nb4?? (better 18...e4 19.Re4 Bb2-+) 19.Qb7?? (better 19.Bf7 Kh8 20.Be8 Qe8 21.Rab1+-) 19...Nd3=+ 20.Reb1 (better 20.Qf3!? Re7 21.Bc3 Ne1 22.Re1=) 20...Nb2-+ 21.Rb2 e4 22.Rc2? (better 22.Rab1 Bb2 23.Rb2-/+) 22...Ba1-+ 23.Rc7 Rf8 (23...Kh8!? 24.Rf7 Qh4 25.Be6-+) 24.Rf7 Rf7 25.Qf7 (25.Bf7 Kh8 26.Qe4-+) 25...Kh8 26.h4 (26.Qb7 Qf8 27.Qe4 Re8-+) 26...Qf6 (26...Qd2 27.Qd5 Qe1 28.Kh2-+) 27.Qb7 (27.Qf6 Bf6 28.Bd5-+) 27...Rf8 28.b6 (28.Qe4 Qf2 29.Kh2 Qd2 30.Bc4-+) 28...Qf2 29.Kh2 Qh4 30.Kg1 Bd4 0-1. Jimito100 (1930) - Nitrogue (2375), Hourly Bullet Arena, lichess.org, 2020.

6.Nc3 d5 7.e3 d4 8.ed4 Qd4 9.Nf3 Qg4 10.Be2 (10.Qe2!?=) 10...Qg2=+ 11.Rg1 Qh3 12.Qc2 Bf5 13.d3 Nbd7 (13...Rd8 14.Rg3 Qh6=+) 14.0-0-0 (14.Rg3 Qh5=+) 14...Bh6 (14...Rad8 15.Ne4-/+) 15.Kb1 Bf4 16.Nd4 Nc5 (16...Rad8!?-/+) 17.Nf5 Qf5 18.d4 Qc2 19.Kc2 Nce4 (19...Ne6 20.h3=+) 20.Ne4= Ne4 21.Rg4 g5 22.f3?? (better 22.Rg2=) 22...Nf2-+ 23.Rf4 (better 23.Re1 Ng4 24.fg4-+) 23...gf4?? (better 23...Nd1 24.Re4 Nb2 25.Kb2 e6-+) 24.Rg1 Kh8 25.Rg2 Nh3 26.Rg4 (26.Bf1 f6 27.Re2 Ng5 28.Re7 Rf7 (worse 28...Nf3 29.Rc7 b6 30.d5+=) 29.Rf7 Nf7=) 26...f6 (26...Rg8!?-/+) 27.Rh4 (27.Bf1 Ng5=+) 27...Ng5 28.Rf4 Rad8 29.h4 Ne6 (better 29...Nh3!? 30.Re4 Rd7=+) 30.Re4+= Rd6? (better 30...Ng7+=) 31.c5+- f5 (31...Nd4 32.Bd4 Rd7+-) 32.d5 Ng7 (32...Kg8 33.Re6 Re6 34.de6 Rd8+-) 33.Re7 (worse 33.cd6 fe4 34.dc7 e3+-) 33...Rg6 34.h5 Rg2 35.h6 Kg8 36.Bg7 Rd8 37.Kc3 Rd5 (37...Re2 38.Re2 Rd5+-) 38.Bc4 (38.Bc4 Rgd2 39.Re5+-) 1–0. BeepBeepImAJeep (2555) – Crew64 (2500), lichess.org, 2018.

6.e3 b6 7.d4 Bb7=.

6.e3 b6 7.Be2 Bb7 (7...c5 8.Nf3=) 8.Bf3 (8.Nf3 c5=) 8...Bf3 (8...c6 9.d4=) 9.Qf3 c6 (9...Ra7 10.Ne2+=) 10.Ne2 Qc7 (10...d5 11.Bf6 Bf6 12.d4+=) 11.0-0 (11.Bf6 Bf6 12.d4 Ra7+=) 11...d5 (11...Rc8 12.Bf6 Bf6 13.d4+=) 12.cd5+= Nd5 13.Bg7 Kg7 14.Rc1 (14.Nbc3 Nc3 15.dc3 e5+=) 14...Nb4 (14...Rc8 15.d4+=) 15.d4+- Qd6 (15...Rc8 16.Nd2+-) 16.Nbc3 (better 16.Nd2+-) 16...Nd7 (better 16...Rd8!?+-) 17.Ne4+- Qd5? (better 17...Qc7+-) 18.Nf4 Qb3 (18...Qf5 19.g4 Ne5 20.de5 Qe5 21.bc6 Rac8+-) 19.Nd2 (worse 19.bc6 Nc6 20.Rc6 Rfc8+-) 19...Qb2 20.Nc4 (20.bc6?! Qd2 21.cd7 Rad8+-) 20...Qb3 (20...Qa1 21.Ra1 Rac8 22.Qe2+-) 21.Ra3 Qa3 22.Na3 cb5 23.Nb5 (23.Qb7 Rfd8 24.Nb5 Kg8+-) 23...e5 (23...Rac8 24.Rc7 Rc7 25.Nc7+-) 24.de5 Ne5 (24...Rac8 25.Rb1 Ne5 26.Qb7+-) 25.Qg3 (better 25.Qe4!? Rae8 26.Nc7 Re7+-) 25...Rad8 (25...Kg8+-) 26.Nh5 (26.Nh5 Kg8 27.Qe5 gh5 28.Nd6 Rd6 29.Qd6+-) 1–0. Woelfelschneider,Peter – Wartig,Wolfgang, corr SOK–96–119, 1997.

6.e3 b6 7.Nf3 Bb7 8.Be2 d6 9.0-0 e5 10.d4 Nbd7 11.Nc3 Re8 12.Rc1 h5 13.Ba3 Rc8 14.d5 Nc5 15.Bc5 dc5 16.Nd2 Qe7 17.Nde4 Ne4 18.Ne4 f5 19.Nc3 e4 20.Nb1 Be5 21.Nd2 h4 22.Re1 Bd6 23.Nf1 Qe5 24.Qd2 Kg7 25.Qc3 (25.h3 Rcd8=) 25...Rh8 (25...Qc3 26.Rc3 Rcd8 27.Nd2=+) 26.Qe5 (26.Qc2 h3=) 26...Be5 27.f3 ef3 28.gf3 Rce8 29.f4 Bd6 30.Bf3 (30.Kf2 g5 31.fg5 Kg6=) 30...Bc8 31.Kf2 Bd7 32.Nd2 Kf6 (32...g5 33.Rg1 (worse 33.fg5 Bh2 34.Kg2 Bd6-/+) 33...g4 34.Bh1=+) 33.Nb1 (33.Rg1!?+=) 33...g5=+ Black gets the initiative 34.fg5 Kg5 35.Rg1 Kf6 36.Nc3? (better 36.Rh1=+) 36...Bh2-+ 37.Rg2 (37.Rh1 Bg3 38.Ke2 Be5-+) 37...Bg3 38.Ke2 f4 39.Ne4 Kf7 (39...Ke5 40.Kd3 h3 41.Re2-+) 40.Rf1 (40.ef4 Bf5 41.Kd3 Re7-/+) 40...h3 41.Rg3 fg3 42.Bh5 (42.Ng3 Reg8 43.Nh1-+) 42...Kg7?? (42...Ke7 43.Rf7 Kd8 44.Rd7 Kd7 45.Be8 Ke8 46.Ng3-+) 43.Ng3? (better 43.Be8!? Bg4 44.Kd3 Re8 45.Ng3=+) 43...Re5 (better 43...Reg8-+) 44.Rf7-/+ Kg8 45.Rd7 Rhh5 46.Rd8? (46.Rc7 Rhg5 47.Rc8 Kf7-+) 46...Kh7 (better 46...Kf7!? 47.Rd7 Ke8 48.Rc7 h2-+) 47.Rd7-/+ Kh6 48.Rc7 (48.d6 cd6 49.Rd6 Kg7 50.Nh5 Rh5 51.Rd7 Kf6 52.Rd6 Ke7-/+) 48...h2 49.Rc6 Kg5 50.Nh1? (50.d6 Kg4 51.Nh1-+) 50...Rh3 51.Kf2 Rhe3 52.Kg2 (52.Rc8 Re2 53.Kf1 Rc2-+) 52...Re1 (better 52...Re2 53.Kf1 Re1 54.Kg2 R5e2 55.Kf3 Rh1-+) 53.Kh2 R5e2 54.Kg3 Rh1 55.Kf3 (55.Rb6 Rc2 56.Re6 Rc4-+) 55...Rhe1 (better 55...Ra2 56.Ke4 Re1 57.Kf3 Ra3 58.Kf2-+) 56.Rb6 Re3 57.Kf2 R1e2 58.Kf1 Kg4 (58...Ra2 59.Rb8-+) 59.Rf6 (59.Rg6 Kf5 60.Rg8 Rc2-+) 59...Re1 (59...Rc2 60.Rf7-+) 60.Kf2 (60.Kg2 Rc1 61.Rf8 Rc4 62.Rg8 Kh5 63.Rh8 Kg6 64.Kf2-+) 60…R3e2 0–1. BeepBeepImAJeep (2745) – dani29 (2740), lichess.org, 2020.

6.e3 c5 7.Nf3 d6 8.Be2 Nbd7 9.0-0 e5 10.d4 e4 11.Nfd2 Re8 12.dc5 Nc5 13.Nc3 h5 14.Nb3 h4 (14...Bg4 15.Qc2=) 15.Nc5+= dc5 16.Qd8 (16.Qc2 h3+=) 16...Rd8= 17.Rfd1 Bf5 18.Ba3 (18.Rab1 Be6=) 18...b6 (18...Nd7 19.Bb2 Nb6 20.Ra2=+) 19.Rac1 (19.Bb2 h3=+) 19...h3 20.g3 Nd7 (20...Be6 21.Bb2=+) 21.Nd5= Ne5?? (better 21...Kh7=) 22.Nb6+- Rab8 23.Rd8 (23.Nd5!? Kh7+-) 23...Rd8 24.Bc5 (better 24.Nd5 Be6 25.Bc5 Bd5 26.cd5 Rd5 27.Bd4+-) 24...Nd3? (24...Rd2 25.Re1+-) 25.Bd3 (better 25.Rd1+-) 25...ed3+- 26.Bd4?? (26.Rd1 Bg4 27.f3 Bf3 28.Rd2=+) 26...Bd4 27.ed4 (27.Nd5 Bc5 28.Rd1 Kf8-+) 27...Rd4 28.Rd1 d2 29.Nd5 Bc2 30.Ne3 (30.b6 Bd1 31.b7 Ba4 32.b8Q Kh7 33.Nf6 Kg7 34.Nh5 gh5 35.Qe5 Kg6 36.Qd4 d1Q 37.Qd1 Bd1 38.Kf1-+) 30...Bd1 31.Nd1 Rc4 32.Kf1 (32.b6 Rc1 33.Kf1 Rd1 34.Ke2 Rf1 35.Kd2 Rf2 36.Kc1 Rf6-+ (36...Rh2?! 37.b7 Re2 38.b8Q Kg7 39.Qb7=)) 32...Re4 33.Ne3 (33.f4 Re1 34.Kf2 Rd1 35.Ke2-+) 33...Re3! 34.fe3 d1Q 35.Kf2 Qa4 (better 35...Qh1 36.Ke2 Qh2 37.Kd3 Qg3 38.b6-+) 36.Kf3 Qb5 (36...Qb5 37.e4 a4 38.Kf4 a3 39.e5 Qc4 40.Ke3 a2 41.g4 Qc3 42.Kf2 a1Q 43.e6 Qae1) 0–1. BeepBeepImAJeep (2530) – VadimCernov (2150), lichess.org, 2018.

6.e3 c6 7.Nf3 d6 8.Be2 Nbd7 9.0-0 e5 10.d4 e4 11.Nfd2 Re8 12.Nc3 h5 13.h3 Nf8 14.a5 (14.Qc2 Bf5+=) 14...N8h7 (14...ab5!? 15.cb5 Ra5 16.Ra5 Qa5=) 15.bc6 bc6 16.d5 c5 17.Na4 (17.Qb3 Re7+=) 17...Bf5 (17...Qa5!? 18.Qc2 Bf5=+) 18.Nb6 Ra7 19.f4 (better 19.Qa4!?+=) 19...ef3 20.Nf3 Re3 21.Ra3 Ra3 22.Ba3 Ne4 23.Bd3 Ng3 24.Bf5 Nf5 (24...Nf1 25.Qf1 gf5 26.Bc1-/+) 25.Qd3 Re7 26.Bc1 Ng3 27.Rd1 Ne2 28.Kh1 Ng3 29.Kh2 (29.Kg1!?=) 29...Ne4=+ 30.Bf4? (30.Re1 f5=+) 30...g5 (30...Nf2 31.Qc2 Nd1 32.Qd1-+) 31.Bc1? (better 31.Re1 Qe8 32.Re4 Re4 33.Bd6-/+) 31...Nf2-+ Black prepares the advance g4 32.Qc2 Nd1 33.Qd1 g4 34.Nh4 Be5 35.g3 Re8 36.Nf5 Qf6 37.Qd3 (37.hg4 h4 38.Nd7 Bg3 39.Kg1 Qc3-+) 37...Ng5 38.Nd7 Nf3 39.Kg2?? (39.Qf3 gf3 40.Nf6 Bf6 41.Be3-+) 39...Ne1 40.Kf1 Nd3 41.Nf6 Bf6 42.Bh6 Kh7 (better 42...gh3 43.Be3-+) 43.hg4 hg4 44.Bd2 Re5 (better 44...Be5 45.Ne3-+) 45.Ne3 (45.Nd6 Kg6-+) 45...Re3! 46.Be3 Nb2 47.Ke2 Nc4 48.Bf4 Be5 49.Kd3 (49.Be5 de5 50.Kd3 Na5 51.d6-+) 49...Bf4 50.gf4 Na5 51.Ke4 Nb7 52.Kf5 Kg7 (better 52...g3 53.Ke4 g2 54.f5-+) 53.Kg5 a5 (53...g3 54.Kf5-+) 54.f5 a4 (54...g3 55.f6 Kf8 56.Kf4 g2 57.Ke4 g1Q 58.Kf4 c4 59.Kf3 c3 60.Kf4 c2 61.Kf3 c1Q 62.Ke4 Qge3 63.Kf5 Qc8) 55.f6 Kf8 56.Kf5 a3 57.Kg5 a2 (57...g3 58.Kf5 g2 59.Kg5 g1Q 60.Kf4 a2 61.Ke4 Qf1 62.Ke3 a1Q 63.Ke4 Qd4) 58.Kh6 a1Q 59.Kh7 (59.Kh5 g3 60.Kh4 g2 61.Kg4 g1Q 62.Kh3 Qe5 63.Kh4 Qgg3) 59…Qh1 0-1. is_er_nog_hoop (2530) - Beta99 (2600), Rated blitz game, lichess.org, 2020.

6.e3 d5 7.Nf3 c5 8.cd5 Nd5 9.Bg7 Kg7 10.Be2 Nb4 11.0-0 Bf5 12.d4 Nd7 13.Nc3 Rc8 14.Rc1 e5 (14...Qb6 15.d5+=) 15.de5 Qe7 (15...Qc7 16.Nd5 Nd5 17.Qd5+-) 16.Nd5 Qe6 (16...Nd5 17.Qd5 b6 18.h3+-) 17.Nf4 (17.Nb4 ab4 18.Bc4+-) 17...Qa2? (better 17...Qe7+-) 18.Nh4 Ne5 19.Nf5 (19.Qd6 f6 20.Nf5 Kh8 21.Rc5 Rcd8+-) 19...gf5 20.Ra1 (20.Qd6 Ng6+-) 20...Qc2 (20...Rfd8 21.Ra2 Rd1 22.Rd1 Na2 23.Rd5+-) 21.Qc2 (better 21.Qd6!? Ng6 22.Bf3+-) 21...Nc2+= 22.Rac1 Nb4 23.Rfd1 b6 (better 23...c4!?+=) 24.Rd6+- Rfd8 25.Rb6 Rd2 26.Rb7 c4 27.b6 c3 28.Rc7 Rb8 29.b7 c2 30.Kf1 Kf6 31.Ke1 Rd7 32.Rd7 Nd7 33.Nd3 (33.Bd3 Rb7 34.Bc2 Rc7+-) 33...Rb7+= 34.Nb4 ab4 (better 34...Rb4!? 35.Bd3 Nc5 36.Bc2 h5+-) 35.Rc2+- Ne5 (35...b3 36.Rb2+-) 36.Rb2 b3 37.Kd2 (37.a5 Ke7+-) 37...Ra7 (37...Nd7 38.a5+-) 38.Kc3 (better 38.Bb5!? Ng4+-) 38...Ra4 39.Rb3 Ra5 (39...f4+-) 40.Kd2 (40.Rb6 Ke7+-) 40...Kg7 (40...Ra2 41.Ke1+-) 41.Rb2 (41.h3 Ra2 42.Ke1 Ra1 43.Bd1 Kf6+-) 41...Nd7 (41...Ng4!?+-) 42.Rc2 Nf6 43.Rc4 (43.f3 Nd5+-) 43...Rd5? (better 43...Ne4!? 44.Ke1 Ra1 45.Bd1 Nf2 46.Kf2 Rd1+=) 44.Ke1+- Rd6 45.Rd4 Re6 46.Bc4 Ne4? (better 46...Rc6+-) 47.Be6 Kf6 (47...fe6 48.Rd7 Kg6+-) 48.Re4 (better 48.Bd5!? Ng5+-) 48...fe6 (48...fe4 49.Bd5 Ke7+-) 49.Ke2 (better 49.Rh4 Kg6 50.e4+-) 49...fe4 50.f3 Ke5 51.fe4 Ke4 52.Kf2 Ke5 53.Kf3 Kf5 54.e4 Kf6 (54...Kg5 55.g4+-) 55.Ke3 (better 55.Kf4+-) 55...Ke5? (55...e5+-) 56.Kf3 (56.g4!? Kf6 57.Kd4 Ke7+-) 56...h6?? (56...Kf6 57.h4 Kg6+-) 57.Ke3+- h5 58.h4 Kf6 59.Kf4 e5 (59...e5 60.Ke3 Ke7+-). BeepBeepImAJeep (2725) – Darhan99 (2590), lichess.org, 2020.

6.e3 d6 7.d4=.

6.e3 d6 7.Nf3 Nbd7 8.Be2 e5 9.d4 e4 10.Nfd2 Re8 11.Nc3 Qe7 12.Qc2 Now all is on e4 (12.g4 h6+=) 12...c6 (12...c5 13.bc6 bc6 14.g4+=) 13.Ba3 (13.g4 d5+=) 13...c5= 14.dc5 (14.0-0 Nb6=) 14...Nc5 15.Nb3 b6 16.Rd1 Bf5 (16...Bg4 17.0-0=) 17.Nd4 Bd7 18.Nd5 (better 18.Bb2!?=) 18...Nd5-/+ 19.cd5 f5 (better 19...Qg5!? 20.Rg1 Qe5-/+) 20.Nc6 Qg5 21.0-0 f4 22.ef4 Qf4 23.Bc1 (23.Bc5 dc5 24.d6 Bf6+=) 23...Qh4 (23...e3!? 24.Be3 Qa4=) 24.Be3+= Be5 25.g3 Qh3 (25...Qf6 26.f3 Bh3 27.Rf2+=) 26.Rfe1 (better 26.Ne5 Re5 27.Bf4+/-) 26...Bg4? (better 26...Bf6+=) 27.Bg4+- Qg4 28.Bc5 bc5 29.Qe4 (29.Re4 Qd7+-) 29...Qd7 30.Qc4 h5? (30...Bg7+-) 31.Ne5 Re5 32.Re5 de5 33.d6 Qe6 (33...Qf7 34.Qc5 Qf3+-) 34.Qe6 (34.Qe6 Kh7 35.d7 Rg8 36.d8Q Rg7 37.Qee8 Kh6 38.Qh8 Rh7 39.Qd2 g5 40.Qd6) 1-0. BeepBeepImAJeep (2740) - ajedrez2021 (2665), Rated Bullet game, lichess.org, 2020.

6.e3 Ne8 7.Nc3 (7.Bg7 Ng7 8.d3 c6+=) 7...c6 8.Nf3 cb5 9.cb5 b6 10.Be2 Bb7 11.0-0 d6 12.d4 Nd7 13.Rc1 Nef6 14.Nd2 Nd5 (14...Rc8 15.e4+=) 15.Nd5 Bd5 16.Bf3 Nf6 17.Bd5 Nd5 18.Qf3 Nb4 19.Ba3 e5 20.de5 Nd3 (20...de5 21.Nc4+-) 21.Bd6+- Nc1 22.Rc1 Re8? (22...Be5 23.Bf8 Qd2 24.Rd1+-) 23.Nc4?? (better 23.Rc7 Kh8 24.Qf7+-) 23...Rc8+= 24.Qd5?? (better 24.e4+=) 24...Be5!-+ 25.Rd1 (25.Ne5 A pinning theme 25...Rc1 A beautiful mate combination) 25...Rc4! 26.Qc4 A deflection 26...Bd6 27.g3 Qe7 28.Qc6 Bc5 29.Rd7 Qe5 (29...Qe4 30.Qf6 Qe6 31.Qe6 Re6 32.Rd2-+) 30.Rd5 (30.Qf3 Qe6 31.Qd1 Re7 32.Re7 Be7-+) 30...Qe4 31.Rd7 Qc6 32.bc6 Rc8 33.c7 Kg7 34.Kf1 b5! 35.ab5 Bb6?? (35...a4 36.Ke2 a3 37.h3-+) 36.Ke2? (better 36.Rd6 Bc7 37.Rc6=+) 36...a4 37.Rd6 Bc7 38.Ra6 Rb8 39.Ra4 Rb5 40.Ra7 Be5 41.h4 (41.f4 Rb2 42.Kd3 Bd6-+) 41...Rb2 42.Kf3 (42.Kf1 h6-+) 42...Bc3 43.Ra1 (43.g4 Be1 44.Ra1 Bf2-+) 43...Rc2 (better 43...Rf2! 44.Kf2 Ba1 45.g4-+) 44.Rb1 Bd2 45.Ke4 Rc1 46.Rb2 Be1 47.Kf3 Bc3 48.Re2 Re1 49.Rc2 Bf6 50.Kg2 h6 51.h5 g5 (51...gh5!? 52.Rc4-+) 52.g4 (52.g4 Rd1 53.Kf3-+). BeepBeepImAJeep (2740) – martiand2 (2395), lichess.org, 2019.

6.Nf3 c6=.

6.Nf3 d6=.

5.c4 a6

6.Nc3 c6 7.e3 ab5 (7...d6 8.d4=) 8.ab5= Ra1 9.Qa1 d5 10.Nf3 Bg4 11.Be2 Nbd7 (11...Bf3 12.gf3 e5 13.cd5 cd5 14.Nb1=) 12.d4 (12.bc6 bc6 13.cd5 cd5 14.Nd5 Bf3 15.Bf3+-) 12...dc4= 13.Bc4 Nb6 14.Be2 Bf3 (14...cb5 15.Nb5 Nfd5 16.Nc3=) 15.Bf3+= Nc4 16.0-0 (16.bc6 bc6 17.Bc6 e5=) 16...Qc7 (16...Nd2!?=) 17.Rc1+= Nb2 (17...Nd2!? 18.Bd1 Nc4+=) 18.Qb2+- cb5 19.Nb5 Qd7 20.Nc3 (20.Rc7 Qd8+-) 20...Rc8 (20...Rb8 21.Ra1+-) 21.Rb1 (21.Qb7 h6+-) 21...Rb8 (better 21...b6+=) 22.Na4?? (22.Qb5 Qc7 23.Qc5 Qc5 24.dc5 Nd7+-) 22...e6?? (better 22...Qa4 23.Bb7 e5 24.de5 Ng4-+) 23.Nc5+- Qc8? (23...Qd6 24.Qb6 Ne8 25.Bb7+-) 24.Bb7 (24.Na6 ba6 25.Qb8 Qf8+-) 24...Qd8? (24...Qe8 25.Na6 Rd8 26.Nb4+-) 25.Qb6 (better 25.Na6+-) 25...Qf8 26.Ra1 Nd5 27.Qa7 Nc7?? (better 27...Rd8+-) 28.Nd7 Nb5 (28...Rb7 29.Qb7 Qd8 30.Qc6 Bd4 31.ed4+-) 29.Qb8 (29.Nf8?! Na7 30.Ra7 Bf8+-) 29...Qb8 30.Nb8 (30.Nb8 Nd6 31.Bf3+-) 1–0. BeepBeepImAJeep (2615) – lolyy12 (2380), lichess.org, 2019.

6.Nc3 Ne4 7.Qc2=+ Nc3 8.Bc3 ab5 9.Bg7 Kg7 10.Qc3 Kg8 11.ab5 Ra1 12.Qa1 c6 13.Qa7 (13.Nf3!?=) 13...Qc7=+ 14.b6 Qe5 15.Nf3 (better 15.Qa3-/+) 15...Qf4?? (better 15...Qb2 16.Qa4 d6-+) 16.e3+- Qd6 17.Be2 (17.c5!? Qc5 18.Qb8 Qb6 19.Qa8 Qb1 20.Ke2+-) 17...Na6= 18.0-0 Qb8?? (better 18...Qb4=) 19.d4 (better 19.c5 Qa7 20.ba7+-) 19...d5?? (better 19...d6 20.c5! Bf5 21.Ba6 Qa7 22.ba7 ba6+-) 20.cd5 Bf5 (20...Qd6 21.Ba6 ba6 22.b7 Bb7 23.Qb7 cd5 24.Rb1+-) 21.Ba6 (better 21.dc6 Nb4 22.cb7+- (22.Qb7?! Qb7 23.cb7 Rb8+-)) 21...ba6 22.dc6 Qa7 23.ba7 Ra8 24.Nd2 Be6?! (24...Ra7 25.e4 Bc8 26.Nc4+-) 25.e4 (better 25.Rb1 Ra7 26.Rb7+-) 25...Ba2 (25...Ra7 26.Rb1 Rc7+-) 26.Ra1 Be6 (26...Ra7 27.Ra2 a5 28.Rb2+-) 27.Ra6 Bc8 (27...f6 28.d5 Bc8+-) 28.Ra1 Kf8 29.d5 (29.Nc4 Bg4 30.Nb6+-) 29...Ke8 30.Nc4 Kd8 31.Nb6 Bg4 32.Na8 Kc8 33.f3 Bh5 (33...f6 34.Nb6 Kc7 35.a8Q Kd6 36.Qa3 Ke5 37.Qc3 Kd6 38.Qb4 Kc7 39.Ra7 Kd8 40.Qe7) 34.Nb6 (34.Rb1 Bf3 35.Rb8) 34...Kc7 35.Nc4 (35.Nc4 Bg4 36.a8Q Bc8 37.Qa5 Kb8 38.Qa7) 1–0. Nikolic,Jovane (1710) – Schneider,Gustavo Manicardi, Championship da Primeira Categoria do E, 2013.

6.Nc3 e6 7.Nf3 d5 8.cd5 ed5 9.e3 Re8 10.Be2 c5 11.0-0? (better 11.bc6 Nc6 12.0-0=) 11...d4-+ 12.ed4 cd4 13.Bc4 dc3 14.Bc3 Be6 15.Be6 Re6 16.Ng5 Rd6 17.Qb3 Rd7 18.Rae1 h6 19.Bf6 Bf6 (worse 19...Qf6 20.Re8 Bf8 21.Rf8 Kg7 22.ba6 ba6 23.Rb8 Rb8 24.Qb8 Qg5 25.Qb6+=) 20.Ne4 Be7 21.f4 ab5 22.ab5 Rd3 23.Qc2 Qd4 24.Kh1 Nd7 25.f5 g5 26.f6 (26.Qc7 Qb6 27.Qb6 Nb6-+) 26...Bf8 (26...Bf6 27.Nf6 Nf6 28.Rf6 Rd2 29.Qf5-+; 26...Nf6?! 27.Rf6 Qe4 28.Rff1-+ (28.Re4?? Ra1 29.Qd1 Rd1 30.Re1 Re1 31.Rf1 Rf1)) 27.Qc7 b6 28.h4 (28.Qc6 Re8-+) 28...Qd5 (better 28...Re8 29.hg5 Re4 30.Re4 Qe4-+) 29.hg5 hg5 30.g4 (30.Qc6 Ra5 31.Rb1 Ra4-+) 30...Ra4 31.Rf5 (31.Qc6 Qe5 32.Nf2-+) 31...Re4 32.Rd5 Re1 33.Kg2 Rd5 (33...Rd5 34.Kf2 Re6-+) 0-1. is_er_nog_hoop (2625) - chargemax23 (2625), Rated blitz game, lichess.org, 2020.

6.e3 b6 7.Nf3 Bb7 8.Be2 ab5 9.ab5 Ra1 10.Ba1 d6 11.0-0 Nbd7 12.Nc3 Qa8 13.Bb2 Ne4 14.d4 Nc3 15.Bc3 Qa2 16.Qd3 Ra8 17.h3 e5 18.Ra1 Qb3 19.Ra8 Ba8 20.Nd2 Qa3 21.Qc2 ed4 22.ed4 (worse 22.Bd4 Bd4 23.ed4 Qa1 24.Bf1 Qd4-/+) 22...h5 (22...Nc5 23.Bf3 Bf3 24.Nf3+=) 23.Bd3 (23.Nb1 Qa7+/-) 23...Nf8 (23...d5 24.cd5 Bd5 25.Nc4+=) 24.Kf1 (24.Nb1 Qa7+/-) 24...Ne6 (24...d5+=) 25.Nb3 (25.Nb1!? Qa7 26.d5+/-) 25...Nf4 (25...Bg2 26.Kg2 Nf4 27.Kg1 Nd3 28.Bd2-/+) 26.d5= Nd3 27.Bg7 Nb4 28.Qb2 Qb2 29.Bb2 Bb7 (29...Kf8!?+/-) 30.Bf6+- Nd3 (30...Bd5 31.cd5 Nd5+-) 31.Bd8 Ne5 (31...Nb2 32.Nd2+- (32.Bc7 Nc4 33.Ke2 Bd5-/+)) 32.Nd2 (32.Bc7 Nc4 33.Ke2 Bd5-/+) 1-0. Timmermans,Mark (2385) - Kovalev,De (2485), Titled Tuesday, 2021.

6.e3 c6 7.Nc3 d5 8.Nf3 ab5 9.ab5 Ra1 10.Qa1 dc4 11.Bc4 Bf5 12.d4 Nd5 13.0-0 Nd7 (better 13...Nc3!? 14.Bc3 cb5 15.Bb5 Qd5+=) 14.Nd5+- (worse 14.Bd5 cd5 15.Nd5 Be4+=) 14...cd5 15.Bd5 Nb6 (15...Qb6!? 16.Bc4 Qf6+-) 16.Bb7+- Nc4 (16...Bd3 17.Rc1+-) 17.Bc6 Bd7 18.Rc1 Bc6 (18...Nb2 19.Qb2 Bf5 20.e4+-) 19.bc6 (19.Rc4?! Bf3 20.gf3 Qd5+=) 19...Nd6 20.Ba3 Nb5 21.Bb4 Qc7 22.Qa5 Rb8 (22...Qa5 23.Ba5 Rc8 24.d5+-) 23.Qc7 Nc7 24.Be7 Nd5 (24...Bf8 25.Bf6+-) 25.Bd6 Rc8 26.Ne5 (26.e4 Nf6 27.e5 Nd5+-) 26...Bf8 (26...Be5 27.Be5 f5 28.Rc5+-) 27.Bf8 Kf8 28.e4 Nf4 29.Kf1 f6 (29...Ke7 30.d5 f5 31.Rd1+-) 30.Nd7 Ke7 31.d5 (31.Nb6 Rc7 32.g3 Nd3 33.Nd5 Kd6+-) 31...Nd3 (31...g5 32.Rb1 Kd6 33.f3+-) 32.Rc3 (32.Rd1!? Nb2 33.Rd4 Kd6+-) 32...Nb4 (32...Ne5 33.Nb6 Rc7 34.f4+-) 33.f4 Kd6 (33...Rc7 34.Ke2+-) 34.Rc4 (34.Nf6!? Kc7+-) 34...Nd3 35.Rd4 (better 35.g3 Nb2 36.Rc2 Nd3 37.Nf6 Kc7+-) 35...Nf4 36.Nf6 (better 36.Rd1+-) 36...Ke5 37.d6 (better 37.Rd2!? Kf6 38.Kf2+-) 37...Rc6+= 38.d7 Ne6 39.d8Q Threatening mate... how? 39...Nd8 40.Rd8 Rf6 41.Ke2 Ke4 42.Rd7 Kf5 (better 42...h5!?=) 43.Rh7+- g5 44.Kf2?? (44.h4 gh4 45.Rh4 Rb6+-) 44...Kg4 (better 44...Kg6 45.Kg3 Kh7-+) 45.Kg1+= Ra6 46.Rh3 (46.Re7!?+=) 46...Ra1= 47.Kf2 Ra2 48.Kf1 Ra1 49.Kf2 Ra2 50.Kf1 Ra1 51.Kf2 ½–½. BeepBeepImAJeep (2585) – Moro182 (2665), lichess.org, 2016.

6.e3 d5 7.Nf3 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0-0 Nb6 12.Be2 Bf5 13.d4 (13.Qc1 Na8=) 13...Be4 (13...Qd6 14.Ne5=) 14.Nbd2 Bd5 (14...Bf5 15.Ne5=) 15.Ne5 (15.Qc2 Ne8+=) 15...Nfd7 (15...Qd6 16.Bd3=) 16.Nd3 (16.Nd7 Qd7 17.e4 Be6+=) 16...Nc4 (16...Nf6 17.Nc5 Nbd7 18.Qc2+=) 17.Nb4 Nd2 18.Qd2 Be4 (18...Nf6 19.Nd5 Nd5 20.e4+=) 19.Bd3 (19.f3!? Bf5 20.e4+-) 19...Bd3 20.Nd3 Nb6 (20...Nf6 21.Qa5+=) 21.Nc5 Qd5 22.Qb4 (22.e4 Qc4 23.Qg5 e5+=) 22...Ra8= 23.Bc3 Qa2 (23...f5+=) 24.h3 (24.Nb7 Rb8 25.Na5=) 24...Nd5=+ 25.Qb2 Qb2 26.Bb2 Ra2 (26...Ra5 27.Ra1 (27.Nb7? Rb5 28.Ra1 Bf6-+) 27...Rb5 28.Ra8 Bf8 29.Ba3=+) 27.Rb1= b6 28.Nd3 f5 29.Rc1 (29.Ra1 Ra1 30.Ba1 Kf7=) 29...e6 (29...Ra5!?-/+) 30.Rc6 (30.Ra1 Ra5 31.Ra5 ba5=) 30...Kf7 (30...Ra5 31.Re6 Rb5 32.Re8 Kf7 33.Ra8=+) 31.g3 (31.f3 Ke8 32.Kh2 Kd7=+) 31...Bf8 (31...g5 32.Kh2 Ke7-/+) 32.Rc2 (better 32.f3!? Bd6 33.e4=) 32...Bd6-/+ 33.Rc1 Ra5 34.Ne5 (34.Kf1!?-/+) 34...Be5-+ 35.de5 Rb5 36.Bd4 (36.Rc2 c5-+) 36...c5 37.Ba1 Rb3 38.Rd1 (38.Kg2 Ra3-+) 38...c4 (38...b5 39.Kg2-+) 39.Bd4 c3 40.Ra1?? (40.Rc1 b5-+) 40...b5 (better 40...c2 41.Rc1 Rb1-+) 41.Ra7 Ke8 42.Ra8 Kd7 43.Ra7 Kc6 44.Ra6 Kd7?? (44...Kc7 45.Bc3 Nc3 46.Re6 Rb1 47.Kg2-+) 45.Ra7 Kc8 46.Ra8 Kb7 47.Ra7 Kb8 48.Ra6 (48.Ra2 Rb1 49.Kg2 Nb4-+) 48...b4 (better 48...c2 49.Bb2 Kb7-+) 49.Rc6 Rb1 50.Kg2 Kb7 51.Rc5 Nb6 (51...h6 52.Kf3-+) 52.Bc3 (52.Kf3 Na4 53.Rc4 Ka6-+) 52...Na4 (52...bc3 53.Rc3 Rb2 54.Rd3-+) 53.Rb5 Kc6?? (better 53...Ka6 54.Rb4 Nc3-+) 54.Rb4= Nc3 55.Rc4 Kd5 56.Rc3 Ke5 57.Rc5 Kf6 58.Rc8 Rb7 59.Rc6 Rf7 (59...Rb2 60.Kf3=) 60.h4 g5 (60...Rd7 61.Kf3=) 61.Rc5 (better 61.hg5!? Kg5 62.Re6+-) 61...gh4 (61...g4 62.f3=+) 62.gh4= Kg6 63.Rc4 Kf6 64.Kg3 Rg7 65.Kf3 Rg4?? (better 65...h5=) 66.Rc6?? (better 66.Rg4 fg4 67.Kg4+-) 66...Rh4 67.Rc7 Rh3 (67...h5 68.Rh7 e5 69.Kg3 Rg4 70.Kh3-/+) 68.Ke2 (68.Kg2 Rh6-/+) 68...Rh6 69.e4 (better 69.f4-/+) 69...Rg6?? (69...fe4!? 70.Ke3-+) 70.e5? (better 70.ef5!? Kf5 71.Rf7 Ke4 72.f3 Kd5 73.Rd7 Kc5 74.Rh7=) 70...Ke5-/+ 71.Rc5? (better 71.Rh7!? Kf4 72.Rh3-/+) 71...Kf6 72.Ra5 (72.f4 Rg4 73.Kf3 h5-+) 72...Rg4 73.Ra3 (73.Ke3 Re4 74.Kf3 h5-+) 73...Re4 74.Re3 (74.Kf1-+) 74...e5 75.Re4 (75.Kf3 Re3 76.fe3 Kg5-+) 75...fe4 76.Ke3 Kf5 77.Ke2 (77.Ke2 Kf4 78.Kd2-+) . BeepBeepImAJeep (2750) – kardia16 (2710), lichess.org, 2020.

6.Nc3 ab5

7.ab5 Ra1 8.Qa1 c5 9.e3 d5 (9...d6!?=) 10.Nd5+- Nbd7 11.Nf6 (11.Nf3 Re8+-) 11...Nf6 12.Nf3 Be6 (12...Bf5 13.d4 cd4 14.Nd4+=) 13.Be2 Qc7 14.0-0 h5 (14...Rd8 15.Be5 Qc8 16.Qb2+-) 15.d4 (15.Be5 Qb6+-) 15...Ne4 (15...cd4 16.Bd4 Bf5 17.c5+-) 16.d5 White is in command 16...Bb2 17.Qb2 Bg4 18.h3 Bf3 19.Bf3 Nd6 20.Qa2 b6 (20...Qd7 21.Ra1+-) 21.e4 Nb7 22.Ra1 (22.Qa7 Rc8+-) 22...Na5 23.Qc2 Qe5 24.Ra3 Qd4 25.Be2 e5 26.Rd3 (better 26.Ra2!?+-) 26...Qc4 (26...Qe4 27.Rd2 Qc2 28.Rc2+=) 27.Qc4 (27.Rc3 Qb4+-) 27...Nc4= 28.d6 Rd8 29.d7 Kf8 30.Rd5 Na5 31.Re5 (31.Kf1!?=) 31...Rd7=+ 32.g4 hg4 33.hg4 Nb3 (33...c4 34.Rd5 Rd5 35.ed5-+) 34.Bc4 (34.Rd5 Rd5 35.ed5 Ke7-+) 34...Nd4 (better 34...Nd2 35.Be2 c4-+) 35.g5?? (better 35.Rd5 Re7 36.Bd3=+) 35...Nf3-+ 36.Kg2 (36.Kf1 Ne5 37.Bd5 Nf3-+) 36...Ne5 37.Bd5 c4 38.f4 (38.Kf1 Rc7 39.Ke2 c3-+) 38...c3 39.Bb3 c2! 40.Bc2 Rd2 A double attack 41.Kg3 Rc2 42.fe5 Rc5 43.Kf4 Rb5 44.Ke3 (44.e6 fe6 45.Kg4 e5 46.Kf3 Rc5 47.Kg2 b5 48.Kf1 Rc2 49.Kg1 b4 50.Kf1 b3 51.Ke1 b2 52.Kd1 b1Q) 44...Re5 45.Kd4 Rg5 46.e5 Ke7 47.Kd5 f6 48.Ke4 Re5 49.Kf4 b5 50.Kf3 (50.Kg3 b4 51.Kg2 b3 52.Kf2 b2 53.Kf1 b1Q 54.Kf2 Qd3 55.Kg1 Qg3 56.Kf1 Re1) 50...b4 51.Kf4 (51.Kg3 b3 52.Kg2 b2 53.Kg3 b1Q 54.Kf2 Qd3 55.Kg1 Qg3 56.Kf1 Re1) 51...b3 52.Kf3 (52.Kg3 b2 53.Kf3 b1Q 54.Kf2 Qd3 55.Kg1 Qg3 56.Kf1 Re1) 52...b2 53.Kf4 (53.Kg3 b1Q 54.Kf2 Qd3 55.Kg1 Qg3 56.Kf1 Re1) 53…b1Q (53...b1Q 54.Kg3 Qd3 55.Kf2 Re2 56.Kg1 Qd1) 0–1. BeepBeepImAJeep (2755) – Pap_G (2675), lichess.org, 2019.

7.ab5 Ra1 8.Qa1 d5 9.e3 c6 10.Nf3 Bg4 11.Be2 dc4 12.Bc4 Bf3 13.gf3 cb5 14.Bb5 Nc6 15.Be2 Qd6 (15...Re8 16.Ne4=) 16.f4 (16.Ne4 Qe6=) 16...Rd8 The backward pawn on d2 becomes a target (better 16...Nb4 17.Qb1 Nfd5=) 17.h4?? (better 17.d4=) 17...Qd2-+ 18.Kf1 Nb4 (better 18...Qc2 19.Bd1 Qf5-+) 19.Ne4?? (better 19.Kg2 Nc2 20.Qd1-+) 19...Ne4 20.Bg7 (20.Qb1 Nc2 21.Bg7 Ne3 22.fe3 Ng3 23.Kg1 Ne2 24.Kg2 Nc3 25.Kf3 Qe2 26.Kg3 Qe3 27.Kg4 h5 28.Kg5 Qg3 29.Kh6 Qf4) 20...Nc2 21.Qb2 (21.Qb1 Ne3! 22.Kg1 Qe2 23.Qe4 Qg4 24.Kh2 Qh4 25.Kg1 Rd1) 21...Qe1 22.Kg2 Qe2 (22...Qe2 23.Qc2 Qc2 24.Rc1 Qf2 25.Kh3 Qg3; 22...Qf2 23.Kh3 Qg3) 0–1. BeepBeepImAJeep (2595) – Kidefence (2655), lichess.org, 2018.

7.cb5 b6 8.e3 Bb7 9.Nf3 d6 10.Be2 Nbd7 11.0-0 e5 12.d4 Qe7 13.de5 Ne5 14.Ba3 (14.Ne5 Qe5 (worse 14...de5 15.Ba3 Qe6 16.Bf8 Bf8 17.Qc2+-) 15.Rc1 Nd7=) 14...Nfd7 15.Ne5 Ne5 16.Nd5 Bd5 17.Qd5 Qf6 (17...Qe6 18.Qe6 fe6 19.Bb2=) 18.Bb4 h5 (better 18...Qe6 19.Qd2 Rfd8+=) 19.Bd3?? (19.Rfc1 Qh4 20.Bc3 Ra4 21.Ra4 Qa4 22.Be5 Be5 23.Rc7 Qa1 24.Bd1 h4+/-) 19...Ng4 (better 19...Qh4 20.Rab1 Ra4=+) 20.h3+= Ne5 (20...Qe5 21.Qe5 Ne5 22.Be4+=) 21.Be2 (21.Be4 Nd7 22.Ra3 Qh4+/-) 21...Ra7 (21...Qe6 22.Qd2+=) 22.Qd1 (22.a5 Qh4 23.Ra4 ba5 24.Ra5 Rfa8 25.Qa8 Ra8 26.Ra8 Kh7+/-) 22...Rfa8 23.f4 (23.Bc3 Qf5+=) 23...Nd7 24.Bf3 (24.Ra3 Qb2 25.Rb3 Qa2+=) 24...Re8 (24...Qa1 25.Qa1 Ba1 26.Ba8 Ra4-/+ (26...Ra8?! 27.Ra1 Nf6 28.a5=)) 25.Qe1?? (25.Ra3!?+=) 25...Nc5?? (better 25...Qa1!? 26.Qa1 Ba1 27.Ra1 Re3-+) 26.Bc5? (26.Ra3 Ne4= (worse 26...Na4 27.Rf2+-)) 26...dc5 (26...Qa1 27.Qa1 Ba1 28.Bc6-+) 27.e4? (27.Qf2 Qe7 28.Ra3 c4=+) 27...Ra5 (27...Qa1 28.Qa1 Bd4 29.Kh2 Ba1 30.Ra1-+) 28.e5? (better 28.Qg3 Qa1 29.Ra1 Ba1 30.f5 Bd4 31.Kf1 Ra4 32.fg6 Ra1 33.Ke2=) 28...Qe7?? (better 28...Qf4 29.Bc6 Qd4 30.Kh1 Re5-+) 29.Be4 (29.Qe4 Qh4+/-) 29...c4 (29...g5 30.Bc6 Rd8 31.Qg3=) 30.Qc3 Qc5 31.Kh1 Rd8 32.Rfc1 Rd4 33.Bf3?? (33.Re1 h4+=) 33...g5?? (33...Rf4 34.Re1-/+) 34.f5?? (better 34.Rd1!? Rf4 35.Rd8 Bf8 36.g3=) 34...Be5 (34...Qe5 35.Qc2 Qg3-+) 35.f6? (35.Re1 g4 36.Bc6 Rd1 37.Qa5 Ra1-+ (37...ba5 38.Rad1 Bg3 39.Re8 Kg7 40.hg4-/+)) 35...Rd1!? 36.Rd1 (36.Rd1 Bc3 Discovered attack (36...Bc3 Deflection); 36.Bd1 Bc3 Discovered attack) 36...Bc3 37.Bh5?? (better 37.Rd8 Qf8 38.Rf8 Kf8 39.Rc1 Bf6 40.Rc4-/+) 37...Kh7 (better 37...Ba1 38.Ra1 c3 39.Rc1-+) 38.Rd7 (38.Ra2 Bf6 39.Rf1 Be5 40.Bf7 Bd6-+) 38...Bf6 (better 38...Ba1 39.Rf7 Kh6-+) 39.Rf7 (39.Rf1 Ra4 40.Rf6 Ra1 41.Bd1-+) 39...Bg7 40.Raf1 (40.Re1 Ra4 41.Bg4 Ra8-+) 40...Qe5 (better 40...Ra4!? 41.Bg4-+) 41.R7f5 (41.Bd1-+) 41...Ra4 (better 41...Qg3 42.R5f3 Qd6 43.Rf5-+) 42.Bg4?? (better 42.Re5 Be5 43.Re1-/+) 42...Qe3 (42...Ra1 43.Kg1 Qb2 44.Ra1 Qa1 45.Kf2 Qb2 46.Be2 Qd4 47.Kf1-+) 43.Rf7 Ra1! 44.Bf5?? (44.Ra1 Qe5 Double attack (44...Qe5 Decoy)) 44...Kg8 (better 44...Kh8 45.Bb1 Qb3 46.Bg6-+) 45.Bb1 (45.Rg7 Kg7 46.Ra1-+) 45...Qg1 (better 45...Rb1 46.Rg7 Kg7 47.Rb1 c3-+) 46.Rg1?? (better 46.Kg1 Bd4 47.Kh1 Rb1 48.Rf8 Kg7 49.Rb1 Kf8 50.Rb4+-) 46...Rb1?? (better 46...Kf7 47.Be4 Ra4-/+) 47.Rb1 (better 47.Rg7 Kg7 48.Rb1+-) 47...Kf7+= 48.Re1 Bf6 49.Rc1 (better 49.Kg1+/-) 49...Kg6? (better 49...c3+=) 50.Rc4+- Bd4?? (50...Be5+-) 51.Rc7 (better 51.Rd4 Kf5+-) 51...Be5 (51...Kf5+-) 52.Rc6 Kf5 (52...Kf7 53.Rb6 Ke7 54.Rc6+-) 53.Rb6 Ke4 (53...Bg3 54.Rc6+-) 54.Rc6 (54.Re6 Kf5 55.Re5 Ke5+-) 54...Bf4 (54...Bg3 55.Rc5 g4 56.hg4+-) 55.Rc5 (better 55.Rc4 Kd5 56.Rf4 gf4+-) 55...Kd4 (55...Be3 56.Rc3 Bf2+-) 56.Rg5 (better 56.Rf5 Bc7 57.Rg5+-) 56...Ke4?? (56...Bg5 57.b6 Kc5+-) 57.h4 1-0. Jimito100 (2005) - Garbancivoro (2305), Eastern Bullet Arena, lichess.org, 2020.

7.cb5 b6 8.e3 Bb7 9.Nf3 d6 10.Be2 Nbd7 11.0-0 e5 12.Nd4?? ed4-+ 13.ed4 Re8 14.Bf3 Bf3 15.Qf3 Ra7 16.h4 (16.Rfe1 Qa8 17.Re8 Qe8-+) 16...Qa8 17.Qh3 (17.Qa8 Raa8 18.Rfe1-+) 17...Ne4 (better 17...Nf8-+) 18.Ne4= (worse 18.Qd7 Bd4 19.Qg4 d5=+) 18...Qe4 (18...Ra4? A) 19.Qd7?! A1) 19...Re4?? 20.Ra4 (20.Qc7?! Bd4 21.Bd4 Red4 22.Qb6 Rd2 23.Ra4 Qa4=) 20...Qa4 21.Ra1 Qa1 22.Ba1 Re1 23.Kh2 Ra1 24.Qc8 Bf8 25.Qc7+-; A2) 19...Ra1 20.Ba1 Re4+=; B) 19.Ra4 Qa4 20.Qd7 Re4 21.Ra1 Qa1 22.Ba1 Re1 23.Kh2 Ra1 24.Qc8 Bf8 25.Qc7+-) 19.Qd7 Raa8 20.Qc7 Rac8? (better 20...Bd4 21.Bd4 Qd4+=) 21.Qb6+- Rc2 (21...d5 22.h5!+-) 22.Bc3 d5? (22...Qh4 23.Qd6 Rd8 24.Qb4 Bd4 25.Rae1+-) 23.a5 (23.Rfe1 Qe1 24.Re1 Re1 25.Kh2 Re8+-) 23...h5 (23...Qh4 24.a6 Bh6+-) 24.a6 Re6 (24...Ra8 25.Qc6 Re8 26.a7+-) 25.Qc5 (25.Qb7!? Re7+-) 25...Bf8 26.a7 (better 26.Qc7 Re7 27.Qe7 Qe7+-) 26...Bc5 27.a8Q (27.dc5 Rc3 28.a8Q Re8 29.dc3 Ra8 30.Ra8 Kg7+-) 27...Re8 (27...Bf8 28.d3! Qf4 29.Bb4+-) 28.dc5 Ra8 (28...Rc3 29.dc3 Ra8 30.Ra8 Kg7+-) 29.Ra8 Kh7 (29...Qe8 30.Re8 Kh7 31.Rh8) 30.Rh8 1-0. Jimito100 (1940) - Riabko_A (2340), Hourly Bullet Arena, lichess.org, 2020.

7.cb5 c6 8.e3 e5 9.Nf3 e4 10.Nd4 d5 11.bc6 bc6 12.Be2 Ba6 13.Nc2 (13.d3 ed3 14.Bd3 Bd3 15.Qd3 c5=) 13...Be2 14.Qe2 c5 15.Ba3 (15.0-0 Nc6 16.Nb5 Qe7=+) 15...d4 16.ed4 cd4 17.Ne4?? (better 17.Bf8 Kf8 18.Qc4 dc3 19.dc3-/+) 17...d3-+ 18.Qe3 (18.Nf6 Bf6 19.Qf3 dc2-+) 18...dc2 (better 18...Re8 19.f3 Ne4 20.fe4 dc2-+) 19.Bf8 Qf8 (better 19...Nd5!? 20.Qd3 Ba1 21.0-0 Qf8 22.Qd5 Ra4 23.Qd3-+) 20.Nf6 (20.Rc1 Ra4 21.Nf6 Bf6-+) 20...Bf6 21.Rc1 Nc6 22.Rc2? (22.0-0 Nd4 23.Rfe1 Ra4-+) 22...Re8 (22...Nb4 23.Rc4 Re8 24.0-0 Re3 25.fe3-+) 23.Rc3 (23.Rc6 Bd4 24.Ke2-+) 23…Bc3 (23...Bc3 24.dc3 Re3 25.fe3 Qa3-+) 0-1. Jimito100 (1980) - markljubarov (2235), Hourly Bullet Arena, lichess.org, 2020.

6.e3 ab5

7.ab5 b6 8.Ra8 Bb7 9.Ra1 c6 10.Nf3 cb5 11.cb5 d6 12.Be2 Nbd7 13.0-0 Nc5 14.d4 Ne6 15.Nbd2 Nd5 16.Rc1 (16.Ra7 Qd7+-) 16...f5 (16...Qd7 17.Qb3+-) 17.Bc4 Nec7 18.Qb3 e6 19.e4 (better 19.Ra1!? Qb8+-) 19...fe4 20.Ne4 Kh8 (20...Nf4 21.Ned2+-) 21.Neg5 (21.Rfe1 Nf4 22.Bf1 Bd5+-) 21...h6 (21...Nf4 22.d5!+- (worse 22.Ne6 Nce6 23.Be6 Bf3+-)) 22.Ne6! Ne6 23.Bd5 Bd5 24.Qd5 Nf4 25.Qe4 Qf6 (25...Qd7 26.Rfe1+-) 26.Ba1 (better 26.Rc6!? d5 27.Qe3 Qf5+-) 26...d5 27.Qe5 (27.Qe3 Qf5 28.g3 Ne2 29.Qe2 Qf3 30.Qf3 Rf3+-) 27...Qf7 (27...Qe5 28.Ne5 Be5 29.de5 Ne2 30.Kh1 Nc1 31.Rc1+-) 28.Qc7 (better 28.Qe3!? Qf5 29.g3 Nh3 30.Kg2 Kh7+-) 28...Qf5 (28...Ne2 29.Kh1 Nc1 30.Qc1+-) 29.Rc3 (better 29.Kh1 Ng2 30.Rc3 Nf4+-) 29...Qg4 30.Ne1 Ne2 31.Kh1 Nc3 32.Bc3 (better 32.Qc3 Qe2 33.Qd3 Rf2 34.Rf2 Qf2 35.Nf3+-) 32...Rc8 33.Qg3?? (better 33.Qb6 Rc3 34.Qd8 Kh7 35.Qd5 Qd4 36.Qd4 Bd4 37.Nf3+-) 33...Qe2?? (better 33...Qg3!? 34.hg3 Rc3=+) 34.Qd3 (better 34.Kg1+-) 34...Qd3+= 35.Nd3 Rc3 36.Rd1 (36.Nf4!?+=) 36...Bd4= 37.Nf4 Be5?? (better 37...Bf2!? 38.g4 d4=) 38.Nd5 (better 38.Ng6 Kg7 39.Ne5+-) 38...Rb3 39.Nb6 (39.f4 Bd6+/-) 39...Rb5 (39...Bd4 40.Nc4 Bf2 41.Ne5+=) 40.Nd7 Bf6?? (better 40...Bg7+=) 41.Nf6+- Kg7 42.Nd5 Rc5 43.Ne3 Re5 44.Kg1 g5 (44...Re7 45.Kf1+-) 45.Kf1 (45.Rd7 Kg8+-) 45...Kg6 (45...h5 46.Ke2+-) 46.Ke2 (better 46.Rd6!? Kf7 47.Rh6 Kg7+-) 46...h5 47.h3 g4 (47...Re6 48.g3+-) 48.hg4 hg4 49.g3 Kg5 50.Rd4 Kf6 51.Rg4 Ke7 (51...Ra5 52.Rb4+-) 52.Rf4 Ra5 53.Kf3 Ra2 54.Re4 Kd6 (54...Kf7 55.g4+-) 55.g4 Kc7 56.g5 Ra6 57.g6! Rg6 58.Rf4 Rh6 59.Ke4 Kd6 (59...Kd7+-) 60.Nf5 (60.Nf5 Kc5 61.Nh6 Kc4 62.Ke5 Kd3 63.Rd4 Kc3 64.f4 Kb2 65.f5 Ka2 66.f6 Kb3 67.f7 Ka3 68.f8Q Kb2 69.Qb4 Kc1 70.Qc5 Kb2 71.Rb4 Ka2 72.Qa5) 1-0. BeepBeepImAJeep (2630) - unjournakamura (2280), Hourly Bullet Arena, lichess.org, 2017.

7.ab5 c6?? 8.Ra8+- cb5 (8...Qc7 9.b6 Qb6 10.Bf6 Bf6 11.Rb8+-) 9.Rb8 bc4 Black fights for the Initiative 10.Ra8 Qb6 (10...d5 11.d3 b5 12.Nf3+-) 11.Bf6 Bf6 12.Bc4 d5 (12...Qc6 13.Bf1+-) 13.Bd5 Bf5 14.Nc3 (better 14.Rf8 Kf8 15.Nc3+-) 14...Ra8 15.Nf3 (better 15.Nge2!?+-) 15...Bd3 16.Nd4 Bd4 17.ed4 Qd4 18.Qf3?? (better 18.f3+-) 18...Ra1-+ 19.Nd1 (19.Qd1 Qe5 20.Be4 Rd1 21.Kd1 Be4 22.f3-+) 19...Qe5 20.Qe3 (20.Be4 Rd1! 21.Qd1 Qe4 22.Qe2 Qe2) 20...Rd1! 21.Kd1 Decoy theme: d1 21...Qa1 Theme: Double Attack (21...Qd5?! 22.f3 Qb3 23.Ke1 Qb1 24.Kf2 Qh1 25.Qd3-/+) 0–1. RichardSommer (2060) – bravethg (2055), lichess.org, 2020.

7.cb5 b6 8.Nc3 Bb7 9.Nf3 e6 10.Be2 d5 11.0-0 c5 12.bc6 Nc6 13.Nb5 Na5 14.d3 Ne8 15.Bg7 Ng7 16.Nfd4 Ne8 17.e4 (17.f4 Ba6+=) 17...Nd6 (17...de4 18.de4 Be4 19.Re1=+) 18.ed5 (18.e5 Nb5 19.ab5 Qc7+=) 18...ed5 (18...Bd5 19.Rb1=) 19.Nd6 Qd6 20.Nb5 Qe7 21.Bf3 Rfe8 22.Re1 Qf6 23.Re8 Re8 24.Qd2?? (better 24.Nc7 Rd8 25.Rc1=) 24...Nb3 (better 24...Qa1 25.Bd1 Nb3-+) 25.Nc7 (25.Qd1 Qa1 26.Qa1 Na1 27.h3-+) 25...Nd2 (25...Qa1 26.Bd1 Nd2 27.h3 Qd1 28.Kh2 Nf1 29.Kg1 Ng3 30.Kh2 Ne2 31.h4 Qg1 32.Kh3 Qh1 33.Kg4 Qg2) 26.Ne8 Qa1 (26...Qa1 27.Bd1 Qd1) 0-1. Jimito100 (2050) - veneteanuc (2195), Hourly Bullet Arena, lichess.org, 2020.

7.ab5 Ra1

8.Ba1 b6 9.Nf3 Bb7 10.Be2 e6 11.0-0 d5 12.d4 dc4 13.Bc4 Bd5 14.Nbd2 Bc4 15.Nc4 Nbd7 (15...Qd5 16.Qa4+=) 16.Nce5 Ne5 17.Ne5 Nd5 18.Nc6 Qd7 19.Qc2 Ra8 20.Bb2 Qd6 21.Rc1 Nb4 22.Qc4 (22.Qb3 Nc6 23.Rc6 Qd5 24.Qd5 ed5+=) 22...Nc6= 23.Qc6 Qb4?? (23...Ra2!? 24.Qc3 Qd5=) 24.Bc3 (better 24.Qa8 Bf8 25.Rb1 Qb3+-) 24...Qb3?? (better 24...Qa3 25.Bb4 Qa4+=) 25.Qa8+- Bf8 26.g3 (26.Qe8 Qa3 27.Bd2 Qb3+-) 26...h5 (26...Qb5 27.Bd2 Kg7 28.Rc7+-) 27.Be1 (27.Qe8!? h4+-) 27...Qb5 28.Rc7 Qd5 (28...Kg7 29.Qd8 Qa4 30.Rc8+-) 29.Qd5 (29.Qe8 Qf5 30.Bb4 Kh7 31.Bf8 Qb1 32.Kg2 Qe4 33.f3 Qc2 34.Rc2 Kg8 35.Bh6 Kh7 36.Qf8 b5 37.Qg7) 29...ed5 30.Rc8 (30.Rc6 Kg7+-) 30...Kg7 31.Bc3 b5 (31...Be7 32.Re8 Bf6 33.Rb8+-) 32.Rb8 b4 33.Bb4 Bb4 34.Rb4 (34.Rb4 Kf6 35.f3+-) 1–0. BeepBeepImAJeep (2600) – Rummstein (2025), lichess.org, 2017.

8.Ba1 c6 9.Nc3 cb5 10.cb5 Qb6 11.Nf3 d6 12.Be2 Bg4 13.0-0 Bf3 (13...Rc8 14.Qa4=) 14.Bf3+= Nbd7 15.d4 Rc8 16.Qb3 Ne8? (16...e6 17.Na4 Qc7 18.Bb2+=) 17.Bb2 (17.Bd5 Nef6 18.Bf7 Kh8+-) 17...Ndf6 (17...e6 18.Na4 Qc7 19.Rc1+=) 18.Rc1 (18.Nd5 Qd8+-) 18...Nd7? (18...e5 19.Rd1+-) 19.h3 (19.Bd5 e5 20.Bf7 Kh8+-) 19...h5? (better 19...e6!?+=) 20.Rc2 (better 20.Bd5 Kh7 21.Bf7+-) 20...Nef6?? (better 20...Qc7+-) 21.Nd5+- Rc2 22.Nb6 (22.Qc2?! Nd5 23.Qc8 Nf8 24.Bd5 Qb5 25.Qb7 Qa5+=) 22...Rd2 (22...Rb2 23.Qb2 Nb6+-) 23.Nd7 Nd7 24.Bb7 Nb6 (24...e6 25.Bc1 Rd4 26.ed4 Bd4 27.Bc8+-) 25.Bc3 (25.Bc1 Rd4 26.ed4 Bd4+-) 25...Re2 (25...Rd3 26.Qc2 Rc3 27.Qc3+-) 26.Bf3 Bd4 27.Be2 Bc5 28.Bd4 (28.Bc4!? e6 29.Be6 fe6 30.Qe6 Kf8+-) 28...Bd4 29.ed4 Nd7 30.Bf3 (30.Bc4 d5 31.Bd5 e6 32.Be6 Nf8 33.Bf7 Kh8 34.b6 Kh7 35.b7 Kh6 36.b8Q Kg7 37.Qe5 Kh6 38.Qh8 Nh7 39.Qe3 g5 40.Qe6) 30...Nb6 31.Bc6 (31.Qc3 Kg7+-) 31...Kg7 32.d5 f6 33.Qe3 Nc8 34.Qe6 g5 35.Qc8 (35.Be8 g4 36.Qf7 Kh8 37.Qh5 Kg7 38.Qg6 Kh8 39.Bf7 gh3 40.Qg8) 35...Kg6 36.Qe6 (36.Qg8 Kf5 37.Qe6 Kg6 38.Be8 Kg7 39.Qe7 Kg8 40.Bg6 f5 41.Qf7 Kh8 42.Qf8) 36...h4 (36...Kg7 37.Qe7 Kh6 38.Qf6 Kh7 39.Qf7 Kh8 40.Qf8 Kh7 41.Bd7 Kg6 42.Bf5) 37.Be8 Kh6 (37...Kh7 38.Qf7 Kh8 39.Qg6 f5 40.Bf7 e5 41.Qg8) 38.Qg8 g4 (38...e6 39.Qg6) 39.Qg6 1–0. BeepBeepImAJeep (2580) – bulkinadivane (2235), Lichess Titled Arena, 2018.

8.Ba1 c6 9.Nf3 cb5 10.cb5 Qa5 11.Nc3 d6 12.Be2 Bg4 13.0-0 Nbd7 (13...Rc8 14.h3 Bd7 15.e4=) 14.Bb2 (14.h3 Be6+=) 14...Nc5 15.d4 Bf3? (better 15...Qb4 16.Qa1 Nb3=) 16.Bf3+- (16.gf3?! Ncd7=) 16...Ne6 17.Bb7 Rb8 18.Bc6 (18.Qf3 Qc7 19.Bc6 Nd8+-) 18...Nd8 19.Qc2 (better 19.Bf3!?+-) 19...Nc6+- 20.bc6 Qb6 (better 20...d5+-) 21.c7 (better 21.d5!?+-) 21...Qc7= 22.Rb1 Nd5 (22...d5 23.Qe2=) 23.Rc1 Nc3 24.Qc3 Qc3 25.Bc3 (25.Rc3?? Rb2 26.Rc8 Bf8-+) 25...Rc8 26.g3 (26.Bb2 Rc1 27.Bc1 f5=) 26...e5=+ 27.de5 Be5 28.Bd2 Rc1 29.Bc1 d5 30.Kf1 Kg7 31.Ke2 Kf6 32.Kd3 Ke6 33.f4 Bd6 34.Bd2 f5 35.Bc3 h6 36.h3 h5 37.Bd2 Bc5 38.Be1 Bd6 39.Bf2 Bc5 40.Ke2 Kd6 41.Kf3 (41.Be1 d4=) 41...Bb6 (41...Kc6 42.g4=) 42.g4 (42.Ke2 Bd8=) 42...hg4 43.hg4 fg4 44.Kg4 d4 (44...Ke6 45.Kf3=) 45.e4 (45.e4 d3 46.Be1= (46.Bb6?? d2-+); 45.ed4 Kd5=) 1–0. BeepBeepImAJeep (2630) – srey95 (1630), lichess.org, 2017.

8.Ba1 c6 9.Nf3 cb5 10.cb5 d5 11.Nc3 e5 (11...Bg4!?=) 12.Ne5+= Qe7 (12...d4 13.Na4 de3 14.de3 Qd1 15.Kd1 Rd8 16.Ke1+=) 13.Nf3 Nbd7 (13...Rd8 14.Be2+=) 14.Be2 Nc5 (14...b6 15.d4+-) 15.0-0 Nce4 (15...Be6 16.Qc2+-) 16.Qb3 (16.d3 Nc3 17.Bc3 Re8+-) 16...Be6 17.Nd4?? (better 17.Qa4+-) 17...Nd2-+ 18.Qd1 Nf1 19.Ne6? (better 19.Qf1 Rc8 20.Qd1-+) 19...Ne3! (19...Qe6?! 20.Bf1 Ne4 21.Ne2-/+) 20.Qd3 (20.fe3 Qe6) 20...Qe6 (20...Ra8!? 21.Bb2 Nc4 22.Nd5 Nd5 23.Bg7 Qe6 24.Bf1-+) 21.fe3 Re8 (better 21...Ra8!? 22.Bb2 Ne4 23.Nd1-+) 22.Nd1 Ng4 (better 22...Ra8!? 23.Bf6 Bf6 24.Bf3-+) 23.Bg7 Kg7 24.Qd4 (24.Bg4 Qg4 25.Qd5 Qh4-+) 24...Nf6 25.Bf3 Qe5 26.Qe5 Re5 27.Kf2 h5 (27...Ne4 28.Ke1-+) 28.Nc3 (28.Ke2 g5 29.Kd3 g4-+) 28...g5 (better 28...Ne4 29.Be4 de4 30.Ke1-+) 29.Ne2 (29.g3-+) 29...d4 (better 29...g4-+) 30.Nd4 g4?? (better 30...b6-+) 31.Bb7= Ne4?? (better 31...Kf8=) 32.Be4+- Re4 33.b6 Re7 (33...Re8 34.Nc6 h4+-) 34.Nf5 Kf6 35.Ne7 Ke7 36.b7 Kd7 37.b8Q Ke7 38.Qf4 (38.Qf4 Kf8 39.Qh6 Ke7 40.Qh5 g3 41.Kg3+-) 1–0. BeepBeepImAJeep (2570) – sanford30 (2225), lichess.org, 2018.

8.Ba1 c6 9.Nf3 d6 10.Be2 Nbd7 11.0-0 e5 (11...Nb6 12.Nc3=) 12.d4 e4 13.Nfd2 Re8 14.Nc3 d5 (14...c5 15.dc5 Nc5 16.Qc2+=) 15.Qb3 Nb6 16.bc6 bc6 17.Rb1 Nc4 18.Nc4 dc4 19.Bc4 Be6 20.Na4 Nd5 (better 20...Bd5!?=) 21.Nc5+- Qa5 22.Ne6 fe6 (22...Re6 23.Qb7+=) 23.Bb2 (23.Qc2 Qa8+-) 23...Bf8 (23...Qd8 24.Ra1+-) 24.Rc1 (24.Qc2 Bd6+-) 24...Qa7 (24...Qc7 25.Qc2+-) 25.Ra1 Qb8 26.Ba3?? (better 26.Qc2+-) 26...Qb3=+ 27.Bb3 Ra8 28.Bb2 Rb8 29.Bd5 ed5 30.Bc3 Rb3 31.Be1 Ra3 (31...Kf7 32.Kf1=+) 32.Rc1 Ra6 33.Kf1 Kf7 34.f3 ef3 (34...Bd6 35.Bg3 Bg3 36.hg3=) 35.gf3= Ke6 36.Bf2 Kd7 37.Kg2 Ra2 38.Kg3 (38.Rb1 h5=) 38...Bd6 39.f4 Ra5 40.h4 c5 41.dc5 Bc5 42.Rd1 (42.h5 Rb5=) 42...Ke6 (42...Kc6 43.Rd3=+) 43.Kf3 Ra3 Attacking the backward pawn on e3 44.Ke2 Ra2 45.Kf3 Ra3 (45...Kd6 46.h5=) 46.Ke2 Rb3 47.Rd2 (47.h5 Be7=+) 47...Rb4 48.Kf3 Ra4 (48...Rc4 49.h5=+) 49.Rc2 Kd6 50.Rc1 Ra3 51.Rh1 (51.Ke2 Ra5=+) 51...d4 52.Rd1 Ke6 53.Rc1 Ba7 54.Re1 Kf5 55.Re2 (55.Rb1 de3 56.Rb5 Kf6-/+) 55...de3-+ 56.Bg3 (56.Bg1 Ra4 57.Be3 Ra3-/+) 56...Rd3 (better 56...h6-+) 57.Rb2? (better 57.h5-+) 57...Rd2 (better 57...e2 58.Ke2 Rg3-+) 58.Rb5 (58.Rb7 Bd4 59.Rf7 Ke6 60.Rh7 e2=+) 58...Kf6 (58...Ke6 59.h5-/+) 59.Ra5 (59.Rb7!? Bd4 60.Rh7=+) 59...Bd4 60.Ra6 Kg7 (60...Kf5 61.h5-+) 61.Ra4 (better 61.Rc6-/+) 61...Kh6?? (better 61...Bc5-+) 62.Rd4?? (better 62.Be1 Rf2 63.Bf2 ef2 64.Ke2+=) 62...Rd4-+ 63.Ke3 Ra4 64.Kf3 Ra3 (64...Kh5 65.Be1-+) 65.Kg4 Kg7 66.Kh3 h5 67.Kg2 Kf6 68.Bf2 Kf5 69.Bg3 (69.Bc5 Rb3 70.Kf2 Kf4-+) 69...Ra2 (better 69...Kg4 70.Bh2-+) 70.Bf2 (70.Kf3-+) 70...Ra3 (70...Rf2 71.Kf2 Kf4 72.Kg2-+) 71.Bg3 Rb3 (71...Kg4 72.Bf2 Ra2 73.Kg1 Rf2 74.Kf2 Kf4 75.Kf1-+) 72.Kh3 (72.Be1 Kf4 73.Ba5 Kg4-+) 72...Rb2 (72...Rg3 73.Kg3 Ke4 74.Kg2-+) 73.Bh2 (73.Be1-+) 73...Rb3 (73...Rh2 74.Kh2 Kf4 75.Kh3-+) 74.Bg3 Rg3 75.Kg3 Ke4 76.f5 Kf5 (better 76...gf5 77.Kf2 f4-+) 77.Kf3=+ Ke5 78.Kg3?? (78.Ke3 Kf6 79.Kf4 Ke6=+) 78...Kf5 (better 78...Ke4-+) 79.Kf3= g5 80.hg5 (80.hg5 h4 81.g6=) 1–0. BeepBeepImAJeep (2755) – JusticeBot (2550), lichess.org, 2017.

8.Ba1 d5 9.Nf3 Nbd7 10.Be2 (10.cd5 Nd5 11.Bg7 Kg7=) 10...dc4 11.Bc4 Nb6 12.Be2 Bf5 13.0-0 Bd3 (13...Qd7 14.Bd4=) 14.Bd3 (14.Bd4!? Be2 15.Qe2+=) 14...Qd3=+ 15.Nc3 Rd8 16.Qb3 (16.Ne5 Qf5 17.f4 Nfd5 18.Nd5 Nd5=) 16...Nc4 The pressure on the backward pawn d2 grows (better 16...Ne4=+) 17.Rd1? (17.Qb4 Nd2 18.Nd2 Qd2 19.Qe7 Qd6 20.Qd6 Rd6=) 17...Nd5?? (better 17...Ne4 18.Nd4 Bd4 19.ed4 Rd4-+) 18.Ne1= Nd2 Do you see the mate threat?. 19.Nd3 Nb3 20.Nd5 (better 20.Nb4! Na1 21.Ncd5-/+) 20...Rd5-+ (worse 20...Na1 21.Nc5 (worse 21.Nc7 Nb3=+; 21.Ne7? Kf8-+) 21...Kf8 22.Nb7+=; 20...Ba1?! 21.N3b4 (21.Ne7? Kf8-+) 21...Kf8 22.Rb1=+) 21.Bg7 Kg7 22.Kf1 (22.b6 c6-+) 22...Nc5 (better 22...Rb5!? 23.Ke1 e5-+) 23.Nb2-/+ Rd1 24.Nd1 Kf6 25.Nc3 Ke5 26.Ke2 Nd7 (26...g5 27.f3-/+) 27.Kd3 Nb6 (27...f5 28.f3-/+) 28.f4 Kd6 (28...Kf5 29.h3-/+) 29.Kd4 f6 (29...f5!?-/+) 30.Ne4= Kd7 31.Nc5 Kc8 32.Ne6 Kd7 33.Nf8 (33.Nc5 Kc8=) 33...Ke8 (better 33...Kd6=+) 34.Nh7?? (better 34.Ne6=) 34...Kf7-+ 35.f5? (35.e4 Kg7 36.Nf6 ef6-+) 35...g5 (better 35...gf5 36.h3 Kg7-+) 36.h4? (better 36.e4-+) 36…gh4 (36...gh4 37.e4 Kg8 38.Nf6 ef6-+) 0–1. BeepBeepImAJeep (2620) – PlantNClick (2760), lichess.org, 2017.

8.Ba1 d6 9.Nf3 e5 10.d4 Nbd7 11.Be2 e4 12.Nfd2 Re8 13.Nc3 Nf8 14.Qb3 Bf5 15.Bb2 h5 16.h3 N8h7 (16...N8d7 17.g4 hg4 18.hg4 Ng4 19.Bg4 Bg4 20.Nce4 (20.Nde4? Bf3 21.Nd6 Bh1 22.Ne8 Qe8-+) 20...Re4 21.Ne4=) 17.c5 (17.0-0 c5+-) 17...d5 (17...dc5 18.dc5 Ng5 19.Qc2=) 18.c6 (18.0-0 b6 19.Ba3 bc5 20.Bc5 Nf8+-) 18...bc6+= 19.bc6 h4 (19...Bc8 20.0-0+-) 20.Na4 (20.0-0 Nf8+-) 20...Ng5 21.Nc5 Qd6 (better 21...Qb8+=) 22.Nb7 (22.Ba3 Qd8+=) 22...Qe6 (better 22...Qc6!? 23.Nc5 Ra8-/+) 23.Bb5 Rb8 24.Nc5 Qc8 25.Qa4 Ne8 26.Bc3 (26.Ba3 Nd6 27.Ba6 Qd8=) 26...Nd6 27.Ba6 Qd8 28.Nb7 Qf6 29.Bb4 Nc8 30.Bc5 (30.Bb5 Nb6 31.Qa3 Ra8=) 30...Ne7 (30...Ne6 31.Bb5=+) 31.Bb5 Bh6 (31...Ne6 32.Be7 Qe7 33.Qa2=) 32.Kd1 (32.Nb1!?+=) 32...Ne6= 33.Kc2 (better 33.Qa7!? Re8 34.Be7 Qe7 35.Qa2=) 33...Nc5-/+ 34.Nc5 Rb5?? (better 34...Rb6-/+) 35.Qb5+= Nc6 36.Ra1 (36.Kd1+=) 36...Ne7 (better 36...Nd4 37.ed4 Qd4=+) 37.Ra8 Kg7 (37...Kh7 38.Kd1+-) 38.Qe8 (38.Qb8 Bc8 39.Qc7 Qf2 40.Qe7 Be3 41.Rc8 Qd2 42.Kb3 Qd1 43.Kb4 Qd4 44.Kb5 Qb2 45.Kc6 Bc5 46.Qc5 Qg2 47.Qf8 Kf6 48.Qd8 Ke5 49.Qd6 Kd4 50.Qd5 Ke3 51.Qf7 Qe2+-) 38...Qg5?? (better 38...Bc8+-) 39.Qh8 1–0. BeepBeepImAJeep (2680) – LuC10 (2355), lichess.org, 2019.

5.c4 b6

6.e4 Ne4 7.Bg7 Kg7 8.a5-/+.

6.e4 e6 7.Nf3 (7.e5 Ne8+=) 7...d5 (7...Ne4!? 8.Bg7 Kg7-/+) 8.ed5 (8.e5 Nfd7+=) 8...Bb7 (8...ed5!? 9.Be2 c5=) 9.de6+= Be4? (better 9...Re8!? 10.Be2 Bf3 11.Bf3 Re6 12.Kf1 c6+=) 10.Nc3 (10.Ng5 fe6 11.Qe2 Bf5 12.Ne6 Be6 13.Qe6 Kh8+-) 10...Bb7 11.Rg1 (11.Qe2 Re8 12.Ng5 fe6+-) 11...a6 (11...Re8!?+=) 12.c5 Qd3?? (better 12...Re8!? 13.Bc4 Bd5 14.Nd5 Nd5 15.Bg7 Kg7+-) 13.Be2 (better 13.Bd3!? fe6 14.c6 Bc8+-) 13...ab5?? (better 13...Qf5 14.c6 Bc8 15.ef7 Rf7+-) 14.ab5 (better 14.Bd3 Re8 15.Ng5 h6 16.Nb5 hg5 17.Nc7 Nbd7 18.cb6 Nb6+-) 14...Nc6 (14...Ra1 15.Qa1 Qd8+-) 15.Ra8 (15.Bd3 Nb4 16.ef7 Kh8+-) 15...Ba8 (15...Qf5 16.ef7 Kh8 17.Rf8 Bf8 18.bc6 Bc6+-) 16.Nh4 (better 16.Bd3 Na5 17.ef7 Rf7 18.c6+-) 16...Ne5 (16...Qd4 17.ef7 Kh8+-) 17.Qc2 (better 17.Bd3 Nd3 18.Ke2 Nb2 19.Qb3 fe6 20.cb6+-) 17...Bb7 (better 17...Qc2 18.Nd1 Nd3 19.Bd3 Qd3 20.f4-+) 18.f4 (better 18.Bd3 bc5 19.Na4 Nd3 20.Qd3 fe6 21.Nc5+-) 18...Qc2-+ 19.cb6 (19.fe5 Qb2 20.e7 Re8-+) 19…Nd3 (19...Nd3 20.Bd3 Qb2-+) 0–1. RichardSommer (2125) – Jonhseo (2060), lichess.org, 2020.

6.Nf3 Bb7 7.e3 a5 8.Be2 d5 9.0-0 Nbd7 10.d4 c6 11.Nbd2 dc4 12.Nc4 cb5 13.ab5 The passed pawn on a5 will become decisive later 13...Rc8 14.Rc1 Nd5 15.Nce5 Ne5 16.Ne5 Be5 17.de5 Nb4 (17...Rc1 18.Qc1 (worse 18.Bc1 Nc3 19.Qe1 Nb5=+) 18...Qc8 19.Qd2+=) 18.Bd4 (18.Qd8 Rcd8 19.Bd4 Rb8+-) 18...Rc1+= 19.Qc1 Bd5 (19...Qd5 20.f3 Rc8 21.Qb1+=) 20.Qd1 (20.Qb1 Qa8 21.f3 Qb7+=) 20...Be6 21.Bf3 (21.Qb1 Bf5 22.Qb2 Nc2+-) 21...Bd5 22.Bd5 Nd5 (22...Qd5 23.Qe2=) 23.Qb3+= e6 (23...Nf4 24.Qb2 Ne6 25.Rc1=) 24.Rc1 Qb8 25.Rc6 (25.e4 Nb4+-) 25...Rc8+= 26.Qc4 Rc6 (26...Ne7 27.Rc8 Qc8+=) 27.bc6 (better 27.Qc6!? a4 28.e4+=) 27...Qc7=+ 28.Qb5 Ne7 Black gets the initiative 29.Qb6 (29.Kf1 Qc6 30.Qb6 Qb6 31.Bb6 a4=) 29...Qb6 30.Bb6 Nc6 31.f4 a4 32.Bc5 f6 33.Kf2 (better 33.ef6!? Kf7 34.Kf2=+) 33...fe5-/+ 34.Ke2 ef4 35.ef4 e5 36.fe5 Ne5 37.Ke3 Kf7 38.Ke4 Ke6 39.h3 (39.Kd4 h5-/+) 39...Nf7 40.Be3 Nd6 41.Kd4?? (better 41.Kd3 Kd5 42.Kc3-+) 41...Nf5 42.Kd3 Ne3 43.Ke3 (43.g3-+) 43…Kf5 (43...Kf5 44.Kd3 Kf4-+) 0–1. BeepBeepImAJeep (2675) – bigsotos2418 (2510), lichess.org, 2016.

6.Nf3 Bb7 7.e3 c6 8.d4 cb5 9.cb5 d6 10.Be2 Nbd7 11.Nbd2 Re8 12.0-0 e5 13.de5 de5 14.Rc1 Rc8 15.Qb3 (better 15.Rc8 Qc8 16.Qa1+=) 15...Ne4?? (15...Qe7!?=) 16.Ne4 (16.Rc8 Qc8 17.Ne4 Be4+-) 16...Be4? (16...Rc1 17.Rc1 Be4 18.Bc4+=) 17.Qa2?? (better 17.Rc8 Qc8 18.Ng5+-) 17...Nc5 18.Rfd1 Qe7 19.Ne1 Red8 20.Bc4 Rd1 21.Rd1 Qc7 22.Qa1 Na4? (22...h6 23.f3 Bb7 24.f4=) 23.Bf7 (better 23.Qa4 Qc4 24.Qc4 Rc4 25.Rd8 Bf8 26.Ba3+- (26.Be5?! Bf5=)) 23...Qf7= 24.Qa4 Bd5 25.Ra1 Rc7 26.e4 Be6 (26...Rc4 27.Qa7 Qa7 28.Ra7 Re4 29.Bc3=+) 27.f3 (27.Nd3 Qd7 28.Rd1 Rc4=) 27...h5 (27...Qf4!? 28.Qd1 Qe3 29.Kh1 Rd7=+) 28.Nd3+= Bb3 (28...Qe7!?+=) 29.Qb4+/- Bf8 30.Qe1 Rc2 31.Be5 Qc4 (31...Qd7 32.Qg3 Bf7 33.f4+=) 32.Qe3 (better 32.Qg3 Qe6 33.Qg5+- (33.Ra7?! Bc4=)) 32...h4? (better 32...Qb5!? 33.Qg5 Rc6+/-) 33.h3 (33.Qg5!? Qf7 34.Qh4 Bg7+-) 33...Qb5 34.Bd4 (better 34.Ra7 Ra2 35.Rb7+-) 34...Bc4 35.Nf4 (35.Ne5!? Bc5 36.Nc4 (36.Ng6 Qb2 37.Bb2 Be3 38.Kh1 Rb2-+; 36.Ra7 Qb2 37.Ra8 Kh7 38.Rh8 Kh8 39.Qh6 Kg8 40.Qg6 Kf8 41.Qf5 Kg8 42.Qg4 Kf8 43.Ng6 Ke8 44.Qc8 Kf7 45.Qd7 Kg6 46.Qg7 Kh5 47.Qh7 Kg5 48.f4 Kf4 49.Qh4) 36...Qc4 37.Bc5 Qc5 38.Qc5 bc5 39.Ra7+/-) 35...Bc5 (better 35...Qg5 36.Rc1 Rc1 37.Qc1 Bf7=) 36.Bc5 (36.Bc5 bc5 37.Re1+= (37.Ng6? Qb2 38.Qg5 Qa1 39.Kh2 Qg7-+; 37.Ra7?! Qb1 38.Kh2 Rc1 39.Ra8 Kh7 40.Ra7 Kg8 41.Ra8 Kh7 42.Ra7 Kg8=)) 1-0. dannysmet (2040) - bvidacko (2015), Rated Blitz game, lichess.org, 2021.

6.e3 Bb7

7.Nf3 c5 8.Be2 d6 9.d4 Ne4 10.Qc2 a6 11.d5 (11.0-0 cd4 12.ed4 ab5 13.ab5 Ra1 14.Ba1 d5=) 11...f5 (11...Bb2!? 12.Qb2 e6=) 12.Bg7+= Kg7 13.Qb2 Nf6 (13...e5 14.de6 Qf6 15.Ra2=) 14.Nbd2 ab5 15.ab5 Ra1 16.Qa1 Nbd7 (16...h6+/-) 17.Qa7 (17.Ng5!? Kg8 18.Ne6+/-) 17...Qb8 (17...Qa8 18.Qa8 Ra8 19.h4=) 18.Qa1 Qa8 19.0-0 Kg8 (19...Qa1 20.Ra1 Ra8 21.Ra8 Ba8 22.Kf1+=) 20.Ng5 Ne5 (20...Qa5 21.Qa5 ba5 22.e4+/-) 21.Ne6 Rd8? (better 21...Qa1 22.Ra1 Ra8 23.Ra8 Ba8+/-) 22.f4 Neg4 (22...Ned7 23.Nd8 Qd8+-) 23.Rf3?? (better 23.Bg4 fg4 24.Nd8 Qd8 25.e4+-) 23...Qa1-+ 24.Nf1 Qb2 (better 24...Ra8 25.h3 Ra2 26.hg4 fg4 27.Rf2-+) 25.Bd1 (25.Nd8 Qe2 26.Nb7 Qc4-+) 25...Qc1 (better 25...Nd5 26.h3 Nde3 27.Ne3 Ne3 28.Rf2-+) 26.Be2 (26.Nd8 Bd5 27.cd5 Qd1 28.h3-+) 26...Qd2 (better 26...Ra8 27.h3 Qc2 28.Bd1 Qd1 29.hg4 fg4 30.Rf2-+) 27.Nd8?? (better 27.Nd2 Ra8 28.Rg3=) 27...Bc8 (better 27...Qe2 28.Nb7 Qc4 29.h3-+) 28.Ng3 (better 28.Nd2 Kf8 29.Rh3+-) 28...Ne3-+ 29.Nc6 Kf7 30.h3 (30.Nf1 Qe2 31.Re3 Qc4 32.Re7 Kf8-+) 30...Qc1 31.Nf1 Nc4 32.Kf2 (32.Na7 Bd7 33.g3 Nd5-+) 32...Nd5 33.g3 Nf6 34.Na7 (34.Kg1 Ne4 35.Na7 Be6-+) 34...Bb7 (better 34...Ne4 35.Kg1 Bd7 36.Bc4 Qc4-+) 35.Rd3 (35.Nc6 Ne4 36.Kg1-+) 35...Ne4 36.Kg1 Nb2 (36...Qe1 37.Rb3 Qf2 38.Kh1 Ng3) 37.Rb3 Nd2 (37...Qe1 38.Bf3 Qf2 39.Kh1-+) 38.Rc3 Qc3 39.Nd2 Qd2 (39...Qg3 40.Kf1 Bg2 41.Kg1 Bh3 42.Kh1 Qg2) 40.Kf2 (40.Nc6 Qe1 41.Kh2 Qe2 42.Kh1 Nd3 43.Kg1 Qf2 44.Kh1 Qg3 45.h4 Nf2) 40...Nd3 41.Kf1 (41.Kg1 Qe3 42.Kf1 Qf2) 41…Qe1 0-1. Antares_Sco (1895) - Loginov19510410 (2055), Eastern Blitz Arena, lichess.org, 2016.

7.Nf3 d5 8.Be2 dc4 9.Bc4 Nbd7 10.0-0 a6 11.Nc3 (11.d4 ab5 12.ab5 Ra1 13.Ba1 c5+=) 11...ab5 (11...Bf3 12.gf3 Ne5 13.Be2=) 12.ab5= Ra1 13.Ba1 c6 (13...Bf3 14.Qf3 Ne5 15.Qf4 Nc4 16.Qc4+=) 14.d4 c5 15.Be2 (15.d5 Ne8+=) 15...cd4= 16.Nd4 Nc5 17.Bf3 Qa8 (17...Qc7 18.Bb7 Nb7 19.Nc6+=) 18.Bb7 (18.Nc6 Re8+=) 18...Qb7 (worse 18...Nb7 19.Nc6 Re8 20.Na4+-) 19.Nc6 Ra8 20.Bb2 (20.Qf3 e6+=) 20...e6 21.Ne2 Nd5 22.Bg7 Kg7 23.Qd4 Kg8 24.Ng3 Ra4 25.Qe5 (25.Qd2 Qa8=) 25...Qc7 (25...Nd3 26.Qd6=+) 26.Qb2= Nd3 (26...f5 27.Rd1=) 27.Qb3 (27.Qc2 Nc5=) 27...Nc5 28.Qb2 Ne7 29.Nd4 Nf5 (29...Ra5 30.Ra1=) 30.Ngf5+= ef5 31.Nc6 Ne4? (31...Qd6 32.Qb1+=) 32.Rd1 (better 32.f3!? Nc5 33.Qf6+-) 32...Ra8+= 33.f3 Nc5 34.Qf6 Re8 35.Kf2 (35.Nb4 Qe7 36.Nd5 Qe6+-) 35...Ne6 (35...Nb7 36.Qh4=) 36.Rd5 (36.Ra1 Qd7 (36...Qh2 37.Ne7 Kf8 38.Ra7+-) 37.Ra7 Nc7+-) 36...Qb7 (36...Qh2?? 37.Rd7 Qh4 38.Qh4+-) 37.h4 Qa7?? (better 37...Qc7+-) 38.Na7+- (38.Na7 Nc5 39.Nc6+-) 1–0. BeepBeepImAJeep (2600) – OverCookedChicken (2410), lichess.org, 2016.

7.Nf3 d6 8.Be2 Nbd7 9.0-0 Ne5 10.Ne5+- de5 11.Be5 Qd7 12.d4 Rad8 13.Bf3 Bf3 (13...c5 14.a5+-) 14.Qf3 (14.gf3?! c5+-) 14...Nh5 15.Bg7 Ng7 16.Nd2 (16.a5 Rc8+-) 16...Qe6 (16...e5 17.Nb3+-) 17.Rac1 White prepares c5 (17.a5 Qd7+-) 17...Rd6 18.c5 Rd5 19.cb6 cb6 White creates threats along the open c–file 20.Rc6 Qd7 (20...Rd6 21.Rc7+-) 21.Rfc1 Rf5 (21...Ne6 22.Nc4+-) 22.Qh3 (22.Rc7 Qd6 23.Qc6 Qb4+-) 22...Qd8 (22...Ne6 23.Nc4+-) 23.Ne4 (23.Rc7 a5+-) 23...Rh5 24.Qf3 Qb8 (24...Ne6 25.Ng3 Rd5 26.Ne2+-) 25.Ng3 Rh4 26.Rc7 Rh6 (26...Re8 27.Rb7 Qd6 28.Ra7+-) 27.Re7 Qd6 (27...Ne6 28.Rd1+-) 28.Rcc7 (better 28.Ra7 Nf5 29.Qc6+-) 28...Qd5 (28...Nf5 29.Red7 Qb4+-) 29.Qd5 Ne6 (29...Rh2 30.Rf7 Rg2 31.Kg2 Ne6 32.Rf8 Kf8 33.Qa8 Nd8 34.Qd8) 30.Re6 (30.Rf7 Rh4 31.Rf8 Kf8 32.Qa8 Nd8 33.Qd8) 30...fe6 (30...Rh5 31.Nh5 a6 32.Re8 Re8 33.Qf7 Kh8 34.Qe8) 31.Qe6 Kh8 32.Qe5 Kg8 (32...Rf6 33.Qf6 Kg8 34.Qd8) 33.Qg7 1–0. BeepBeepImAJeep (2690) – stadt (1840), lichess.org, 2016.

7.Nf3 e6 8.Be2 d5 9.0-0 c6 10.d4 Ne4 11.Nbd2 c5 12.Rc1 Nd7 13.Ba3 (13.cd5 ed5 14.Qc2 Nd2 15.Nd2 c4+=) 13...Re8 14.dc5 (14.cd5 ed5 15.dc5 Ndc5 16.Ne4 de4=) 14...Ndc5 15.Ne4 (15.Bc5 Nc5 16.Qc2 Rc8=) 15...de4=+ 16.Nd4 Nd3 17.Bd3 ed3 18.c5 (worse 18.Qd3 e5 19.c5 bc5 20.Bc5 ed4 21.ed4 Bd5-+) 18...bc5 19.Bc5 (19.Nc6 Qd7=+) 19...Qd5-/+ 20.f3 Rec8 21.Nb3 d2 22.Rb1 (22.Nd2 Rc5 Deflection; 22.Qd2 Qb3 Deflection) 22...Rc5 23.Nc5 Qc5 24.Qd2 Bh6 (24...Bd5 25.Rbc1 Qb6 26.Rb1-/+) 25.Rfe1 Qg5 26.Qf2 Bf8 27.Kh1 Bc5 28.Rbd1 Rc8 (28...a6 29.Rd7 Rb8 30.Qe2=+) 29.Rd7=+ Ba8 30.Qc2 h5 (30...Qe5 31.Rc1 a6 32.Rd3 ab5 33.ab5+/-) 31.e4= h4 32.Qc1 Qh5 (32...Qe5 33.Qh6=) 33.Qf4 (33.Red1!? Rf8 34.Rc7+/-) 33...Rf8= 34.Red1 Bb6 (34...h3 35.Rd8=) 35.h3 Qc5 (35...Kg7 36.Qd6+=) 36.Qh4 Qe3 (better 36...Qa3!?=) 37.Qf6+/- Qe2 38.R7d2 Qe3 39.Rd3 Qe2 (39...Qf2 40.Qf4+/-) 40.h4 Qf2 (better 40...Kh7+/-) 41.h5+- Qg3 (41...g5 42.Qg5 Kh7+-) 42.h6 (42.h6 Bd4 43.Rd4 Qh3 44.gh3 Be4 45.Qg7) 1-0. Timmermans,Mark (2385) - Liyanage,Ranindu Dilshan (2200), Titled Tuesday, 2021.

7.Nf3 Bf3 8.Qf3+= d5 9.Be2 Nbd7 (better 9...a6!?+=) 10.cd5+- Ne5?? (better 10...Nc5+-) 11.Be5+- Qd5 (11...Nd5 12.Bg7 Kg7 13.0-0+-) 12.Qd5 (12.d4!? Qd7+-) 12...Nd5 13.Bg7 Kg7 14.Bf3 Rad8 15.Bd5 (15.Ke2!? e5+-) 15...Rd5 16.d4 Rfd8 (16...c5 17.Nc3 Rd7 18.0-0-0+-) 17.Nc3 R5d7 18.Ke2 e5 (18...e6 19.Rhc1+-) 19.d5 (better 19.de5 c5 20.bc6+-) 19...c6 (19...f5+-) 20.bc6 Rc7 21.e4 (21.Nb5 Rcc8 22.Na7 Rc7+-) 21...f5 (21...Rcc8 22.a5+-) 22.f3 (22.Nb5!? Rf7 23.c7 Rdf8+-) 22...Kf6 (22...fe4 23.fe4 Kg8 24.Nb5+-) 23.Rhf1 f4 (23...Rf7 24.a5+-) 24.Nb5 Rcc8 25.Na7 Rc7 (25...Ra8 26.Nb5+-) 26.Nb5 Rcc8 27.a5 (27.c7!? Re8+-) 27...ba5 28.Ra5 Ra8 (28...Rh8+-) 29.Ra8 Ra8 30.c7 Rc8 (30...Ke7 31.Rc1 Kd7 32.Na7+-) 31.Nd6 Rc7 32.Ne8 Ke7 33.Nc7 Kd7 34.Nb5 (34.Nb5 g5 35.Ra1+-) 1–0. BeepBeepImAJeep (2600) – hydratwo (1890), lichess.org, 2016.

5.c4 c5

6.Qc2 b6 7.h3 (7.e4 Bb7 8.Bd3 d6=) 7...Bb7 8.f3 d5 9.e3 (9.cd5 Qd5 10.e4 Qd6=+) 9...Qc7 10.Ne2 Nbd7 11.d4 (11.cd5 Nd5 12.Bg7 Kg7=+) 11...a5 12.Nd2 Rac8 13.Qb3 (13.dc5 Nc5 (13...bc5?! 14.cd5 Bd5 15.e4=) 14.cd5 Nd5 15.Bg7 Nb4-+ (15...Kg7?! 16.Nc4-/+)) 13...e6 (13...cd4 14.Nd4 Qg3 15.Kd1 Rfd8 16.cd5 Nc5-+) 14.Rc1 dc4 (14...cd4 15.ed4 dc4 16.Rc4-/+) 15.Qc4 Bd5 (15...Qb8 16.Qd3-/+) 16.Qc2 (better 16.Qd3=+) 16...c4?? (16...Qb8 17.e4 cd4 18.Qd3 Rc1 19.Nc1-/+) 17.Nc3 (17.e4 Bb7 18.Ba3 Rfe8+-) 17...Ba8 (17...Qg3 18.Kd1=) 18.Nde4 (18.Nc4!? Bd5 19.Nd5 ed5 20.Na3 Qg3 21.Qf2 Rc1 22.Bc1+=) 18...Ne4 19.Ne4 White is in command 19...Be4 20.fe4 Qg3 21.Qf2 Qf2 22.Kf2 f5? (better 22...Nc5!? 23.dc5 Bb2 24.Rc4 Rc5 25.Rc5 bc5+=) 23.e5 f4 (23...Kf7 24.Bc4 Rfd8 25.Rc2+-) 24.e4 (24.Bc4 fe3 25.Ke3 Bh6 26.Ke4 Rf4 27.Kd3 Re8+-) 24...Bh6 (24...Kf7 25.Bc4 Rfd8 26.Kf3+-) 25.Rc3 (25.Bc4 Kf7+-) 25...Rf7 (better 25...Kf7+-) 26.Bc4 Re7 (26...Re8 27.Bb3 Nf8 28.Rc6+-) 27.Be2 (better 27.Be6 Re6 28.Rc8 Kf7 29.Rhc1+-) 27...Rc3 28.Bc3 Rf7 (28...Kf7 29.Bd2+-) 29.Bg4 (29.Bc4 Nf8 30.Bb3 Rc7+-) 29...Nf8 30.h4 (30.Bb2 Bg5+-) 30...Rc7 31.Rh3 Rc4 (31...g5 32.d5 gh4 33.Bd4+-) 32.Bd1 Rc7 (32...g5 33.hg5 Bg5 34.Bb3+-) 33.Bb3 g5 34.hg5 Bg5 35.Bd2 (better 35.d5 Bh4 36.Kf1 Bg3+-) 35...Ng6?! (35...Rg7+-) 36.g3 (36.Be6 Kf8+-) 36...Rf7?? (better 36...fg3 37.Ke2 Bf4+=) 37.Be6+- fg3 38.Kg3 (better 38.Ke2!? Bf4 39.Bf7 Kf7 40.Rh7 Kg8+-) 38...Bd2 39.Bf7 Kf7 40.Rh7 Kg8 (40...Ke8 41.Rb7 Nf4 42.Kg4+-) 41.Rb7 Nf8 (41...Nf4 42.Rb6 Ne2 43.Kg4+-) 42.Rb6 Be3 (42...Bc3 43.Rd6 Be1 44.Kg4 Bb4+-) 43.Rd6 Kf7 (43...Ne6 44.Re6 Bd4+-) 44.b6 Ke7 45.Kf3 (45.b7 Bd4 46.Rd4 Nd7 47.Rd7 Kd7 48.b8Q Ke7 49.Qd6 Kf7 50.e6 Kg7 51.Qd7 Kg6 52.Qf7 Kg5 53.Qg7 Kh5 54.Kf4 Kh4 55.Qg4) 45...Bd2 46.b7 Nd7 47.Rd7! Kd7 48.b8Q (48.b8Q Bc3 49.Qb7 Ke6 50.Qc6 Kf7 51.e6 Kf6 52.e5 Kf5 53.e7 Kg5 54.Qf6 Kh5 55.e8Q) 1–0. lindsey000 – theosophist, gameknot.com, 2017.

6.e3 b6 7.Nf3 Bb7 8.Be2 d6 (8...d5 9.d4=) 9.0-0 Nbd7 10.d4 e5 (10...cd4 11.Nd4 Qc7 12.Nd2=) 11.de5+= de5 (11...Ne4 12.Qc2 de5 13.a5+=) 12.Ne5+- Ne5 13.Be5 Qe7? (13...Qe8 14.Bc3+-) 14.Bb2?? (better 14.Bd6 Qe6 15.Bf8 Rf8 16.a5+-) 14...Rfd8 15.Qc1 Rd7 16.Nd2 (16.Rd1 Rd1 17.Qd1 Rd8+-) 16...Rad8+- Black launches an attack 17.Nf3 Ne4 18.Bg7 Kg7 19.Rd1 (19.a5 Qf6+=) 19...Qf6 (19...Rd1!? 20.Bd1 Qf6+=) 20.Rd7+- Rd7 21.Qe1 White prepares the advance a5 (21.Ra3 Rd2 22.Kf1 g5=) 21...Nc3 22.a5?? (better 22.Ra3 Ne2 23.Qe2 Bf3 24.gf3 (24.Qf3?? Qb2 25.h3 Qa3-+) 24...Qg5 25.Kh1=) 22...Ne2-+ 23.Qe2 (23.Kf1 Bf3 24.ab6 ab6 25.Rb1-+) 23...Qa1 24.Ne1 Rd1 25.Kf1 Be4 (25...Be4 26.f3 Bd3-+) 0–1. BeepBeepImAJeep (2710) – ajedrez2021 (2570), lichess.org, 2020.

6.e3 d5

7.cd5 Qd5 8.Nf3 b6 (8...Bg4 9.Be2=+) 9.Nc3 Qd6 10.Be2 Bb7 11.0-0 Nbd7 12.d4 cd4 (12...Rfd8 13.dc5 Nc5 14.Qd6 Rd6 15.a5=) 13.Nd4 (13.Qd4 Qd4 14.Nd4 Rac8+=) 13...Rac8= 14.Bf3 Bf3 15.Qf3 (worse 15.gf3 Qb4 16.Qb3 Qb3 17.Nb3 Ne5-/+) 15...Ne5 16.Qe2 Nc4 17.Rad1 (17.Nd1 Ne4=) 17...Nb2=+ 18.Qb2 Nd5 (18...Ng4 19.g3=+) 19.Nce2 e6 20.Qb3 Rc7 (20...Qb4!?=) 21.Nc6+- Qc5 (21...Rc6 22.bc6 Qc6 23.Rd2+-) 22.Rc1 Qd6 23.Rfd1 f5 24.Nf4 Kh8 25.Ne6! Qe6 Decoy theme: e6 26.Qd5 Qd5 27.Rd5 a6 28.Rcd1 ab5 29.ab5 h6 30.g3 Kh7 31.Rd7 Rf7 32.Rf7 Rf7 33.Rd6 (33.Nd8 Rf6+-) 33...Bf8 34.Rd8 Bc5 35.Kg2 g5 36.Rd5 f4 (36...Kg7 37.h3+-) 37.gf4 gf4 38.Ne5 Rg7 39.Kf3 fe3 40.fe3 Re7 41.Ng4 (41.e4 Kg7+-) 41...Kg7 42.h4 Rf7 43.Kg3 Re7 44.h5 (44.Kf4 Rf7 45.Ke4 Re7 46.Kd3 Ra7+-) 44...Be3+- 45.Rd6 Bc5 46.Rg6 Kh7?? (46...Kf8!?+-) 47.Rh6 (47.Nf6 Kh8 48.Rg8) 47...Kg7 48.Rg6 Kh7?? (better 48...Kf7+-) 49.Nf6 Kh8 50.Rg8 1–0. BeepBeepImAJeep (2740) – Markov_M (2840), lichess.org, 2020.

7.cd5 Qd5 8.Nf3 b6 9.Be2 Bb7 10.0-0 Nbd7 11.d4 cd4 12.Bd4 Rac8 13.Nbd2 Rfd8 14.Rc1 e5 15.Bb2 e4 16.Nd4 Nc5 17.N4b3 Nfd7 18.Bg7 Kg7 19.Rc4 Nb3 20.Rc8 Rc8 21.Nb3 Qd1 22.Rd1 Ne5 23.h3 Rc3 24.Nd4 Ra3 25.Rc1 Ra4 26.Rc7 Bd5 27.g4 Ra2 28.g5 h6 29.h4 hg5 30.hg5 Nd3 31.f4 Nc5 32.Bf1 Kf8 33.Nc6 Bc6 34.bc6 Ne6 35.Rb7 Rc2 36.Bb5 a6 37.Rb8 Ke7 38.Ba6 Rc6 39.Kf2 Rc2 40.Kg3 Rc3 41.Kf2 Rc2 42.Be2 Rb2 43.Rb7 Kf8 44.Ke1 Nc5 45.Rb8 Ke7 46.Bc4 Rb4 47.Bd5 Rb2 48.Kd1 Nd3 49.Be4 Nf2 50.Kc1 Ne4?? (better 50...Rb3 51.Bd5 Re3 52.Rb7 Kd8 53.Rf7 Rg3=) 51.Kb2+- Nd6 (51...Nc5+-) 52.Kc3 b5 53.Kd4 Ke6 54.e4 f5 (54...Kd7+-) 55.e5 Nc4 (55...Ne4 56.Rb5 Ke7+-) 56.Rb5 Nd2 57.Rb6 Ke7 58.Rf6 (58.Rg6 Nb3 59.Kd5 Nc1 60.e6 Ne2 61.Rg7 Kf8 62.e7 Kg7 63.e8Q Nf4 64.Ke5 Ne2 65.Qd7 Kg6 66.Qf5 Kh5 67.g6 Kh4 68.g7 Ng3 69.Qh7 Kg4 70.g8Q Kf3 71.Qd3 Kg2 72.Qgg3 Kh1 73.Qe4) 58...Nf3 (58...Ne4 59.Rg6 Kf7 60.Rf6 Kg7 61.Kd5 Nc3 62.Kc5 Ne2 63.e6 Ng3 64.e7 Ne4 65.Kd5 Nf6 66.gf6 Kf7 67.Kc6 Ke6 68.e8Q Kf6 69.Kd5 Kg7 70.Ke6 Kh7 71.Kf6 Kh6 72.Qg6) 59.Kd5 White prepares the advance e6 59...Nh4 60.e6 Ng2 (60...Nf3 61.Rg6 Nd2 62.Rg7 Ke8 63.Rf7 Ne4 64.g6 Kd8 65.g7 Nf6 66.Rf6 Kc7 67.e7 Kd7 68.e8Q Ke8 69.Kd6 Kd8 70.g8Q) 61.Rf7 Ke8 62.Ke5 Ne3 (62...Ne1 63.Ra7 Nd3 64.Kd6 Kf8 65.e7 Kf7 66.Ra8 Nc5 67.e8Q Kg7 68.Qe7) 63.Kf6 (63.Rc7 Ng4 64.Kd6 Kf8 65.e7 Kf7 66.Rc8 Nf6 67.Rf8 Kg7 68.gf6 Kh7 69.e8Q Kh6 70.Rh8) 63...Nc4 64.Kg6 Nd6 65.Kf6 Nf7 66.ef7 Kf8 67.Kf5 (67.Ke6 Kg7 68.Kf5 Kf8 69.g6 Kg7 70.Ke6 Kf8 71.f5 Kg7 72.Ke7 Kh6 73.f8Q Kg5 74.g7 Kg4 75.g8Q Kf4 76.Qh6 Kf3 77.Qd2 Ke4 78.Qgd5) 67...Kf7 (67...Ke7 68.g6 Kf8 69.Kg5 Ke7 70.f5 Kf8 71.Kf4 Ke7 72.Ke5 Kf8 73.Ke6 Kg7 74.Ke7 Kh6 75.f8Q Kg5 76.g7 Kf4 77.g8Q Ke5 78.Qd8 Kf5 79.Qdd5 Kf4 80.Qgg5) 68.g6 Kg7 (68...Ke7 69.Kg5 Kf8 70.f5 Kg8 71.Kg4 Kg7 72.Kf3 Kg8 73.f6 Kf8 74.Kf4 Kg8 75.g7 Kf7 76.Ke5 Kg8 77.Ke6 Kh7 78.Kf7 Kh6 79.g8Q Kh5 80.Qg3 Kh6 81.Qg6) 69.Kg5 Kg8 (69...Kf8 70.f5 Kg8 71.Kf6 Kf8 72.Ke6 Kg7 73.f6 Kg6 74.f7 Kg5 75.f8Q Kg4 76.Qf2 Kh3 77.Ke5 Kg4 78.Qg2 Kh4 79.Kf4 Kh5 80.Qg5) 70.Kf6 Kf8 71.g7 Kg8 (71...Ke8 72.Ke6 Kd8 73.Kd6 Kc8 74.g8Q Kb7 75.Qb3 Ka6 76.Kc6 Ka5 77.Qb5) 72.f5 Kh7 73.Kf7 Kh6 74.g8Q Kh5 75.Qg3 Kh6 76.Qg6 (76.Qh4) 1-0. BeepBeepImAJeep (2695) - zvonokchess (2700), Rated Blitz game, lichess.org, 2015.

7.Nf3 dc4 8.Bc4= Nbd7 9.0-0 Nb6 10.Be2 c4 (10...Bf5 11.d4 Rc8 12.dc5 Rc5 13.a5 Qd1 14.Rd1+= (worse 14.Bd1 Rb5 15.ab6 Rb6=+)) 11.Qc2 (11.a5 Nbd5+-) 11...Be6 (11...Bf5!? 12.Qd1 Qc7=) 12.Na3 c4 seems the pivot of the position 12...Rc8 13.Rfc1 c4 draws heavy fire (13.a5 Bf5 14.Qd1 Nbd5 15.Nc4 Rc5+-) 13...h6 (13...Bf5!? 14.Qd1 Bd3+=) 14.a5 Nbd5 (14...c3 15.dc3 Nbd7 16.Nd4+-) 15.Nc4 Nb4 (15...Qd7 16.Qb3+-) 16.Qb3+- Nfd5? (better 16...Nbd5+-) 17.e4?? (17.Bg7!? Kg7 18.Ra4 Bg4+-) 17...Bb2?? (17...Nf4 18.Bf1 Bb2 19.Qb2-/+) 18.Qb2?? (18.ed5 Bc1 19.de6 Bd2 20.ef7 Kf7 21.Nd6 Kg7 22.Nc8 Rf3 23.Bf3 (23.gf3?! Qc8 24.Rd1 Qc5+-; worse 23.Qf3 Qc8 24.Qe4 Qc5+-) 23...Qc8 24.Rd1+-) 18...Nf4-/+ 19.Bf1 (19.d4 Nbd3 20.Bd3 Nd3-/+) 19...Nbd3 20.Bd3 (20.Qa2 Qc7 21.Rc3 Bc4-+) 20...Nd3-+ 21.Qb3 Nc1 22.Rc1 Rc4 23.Rc4 Bc4 24.Qc4 Qc8 (24...Qa5 25.h3-/+) 25.Qc8 (better 25.Qf1!?-/+) 25...Rc8-+ The mate threat is Rc1 26.Kf1 Rc1 27.Ke2 Rb1 (27...Rc5 28.b6-+) 28.Nd4 (28.b6 ab6 29.ab6 Rb6-+) 28...Ra1 (28...e5 29.Nf3 Rb5 30.a6-+) 29.a6 (29.f4 Ra5 30.f5 a6-+) 29...ba6 30.ba6 Ra6 The passed pawn on a7 will quickly become a dangerous weapon 31.f3 (31.f4 Rf6 32.g3 a5-+) 31...Ra1 32.h3 (32.f4 a5-+) 32...a5 33.Nb5 (33.Nb3 Rg1 34.Na5 Rg2 35.Ke3 Rh2-+) 33...a4 34.Nd4 (34.Nc3-+) 34...a3 (better 34...Rg1 35.Kf2 Rb1-+) 35.Nc2 Ra2 36.Nb4?? (36.Kd3-+) 36...Rb2 37.Nd3 a2 (better 37...Rb1 38.Ne1-+) 38.Nb2 a1Q 39.Nd3 Qa6 40.Ke3 f6 41.Nf4 (41.g4 Qb6 42.Ke2 e5-+) 41...Kf7 42.Nd5 (42.Nd3 Qb6 43.Ke2 e5-+) 42...e5 (42...Qf1 43.g4-+) 43.d4 (43.g4 Qa1 44.Nc3 Qg1 45.Ke2 Qh2 46.Ke3 f5 47.ef5 gf5 48.gf5 Qf4 49.Kf2 Qf5-+) 43...Qa7 44.Kf2 (44.g4 Qd4 45.Ke2 Qb2 46.Kf1 Qc1 47.Ke2 Qc2 48.Ke3 f5-+) 44...ed4 45.Kg3 (45.Ke2 Qa6 46.Kd2-+) 45...d3 46.Nc3 d2 47.Ne2 Qe3 (47...d1Q 48.Kh2 Qe2 49.e5 Qe5 50.f4 Qe1 51.g4 Qaf2) 48.Nf4 (48.h4 d1Q 49.h5 Qg5 50.Kf2 Qc5 51.Kg3 Qe1 52.Kg4 Qh5 53.Kf4 Qg5) 48…Qe1 (48...Qe1 49.Kh2 d1Q 50.Ne6 Qg1 51.Kg3 Qde1 52.Kg4 Qg2 53.Kf4 Qed2; 48...d1Q 49.h4 Qee1 50.Kh3 Qh1 51.Kg4 h5 52.Nh5 Qg2 53.Ng3 Qdf3) 0–1. RichardSommer (2065) – jacekmpl (1990), lichess.org, 2020.

7.Nf3 d4 8.ed4 Nfd7 9.d3 cd4 10.Be2 (10.Bd4 e5 11.Bc3 Re8+=) 10...e5 11.0-0 Nc5 12.Nfd2 (12.Ba3 Qc7=) 12...Nbd7 13.Na3 (13.a5 Re8=+) 13...b6 (13...Qa5 14.Nc2=+) 14.Bf3 Bb7 (14...Nd3? 15.Ba8 Nb2 16.Qc2+-) 15.Bb7 Nb7 16.Nc2 Nbc5 17.Nb4 Re8 Black prepares the advance e4 18.Nb3 (18.Re1 a6=) 18...Nb3 19.Qb3 Nc5 20.Qc2 e4 21.de4 d3 (worse 21...Ne4 22.Rad1+-) 22.Qd2 (22.Qb1 Bb2 23.Qb2 Re4=+) 22...Ne4-/+ 23.Qc1 d2 24.Qc2 Qd6 25.Bg7 Kg7 (25...Qb4 26.Rab1 Qc5 27.Bh6-/+) 26.Nd5 (26.Nc6 a6=+) 26...Qc5 27.Rad1 Re5 28.Rd2 (28.Qb2 f6 29.Ne3 Rd8-+) 28...Nd2-/+ 29.Qd2 Rd8 (29...Qc4 30.Qb2 Qe2 31.Qc3=+) 30.Qd3 f6 31.h3 Rc8 Exerts pressure on the backward pawn 32.Ne3 Rce8 33.Rd1 R8e7 (33...Re3 34.fe3 Re3 35.Qd4 Re1 36.Kh2 Rd1 37.Qd1 Qc4 38.Qd7 Qf7 39.Qd6-/+) 34.Qd4 (34.Qd2 R5e6=+) 34...Qd4 35.Rd4 f5 36.g3 Kf6 (36...Re4 37.Rd3=+) 37.h4 (37.Nd5!? Rd5 38.Rd5 Re1 39.Kg2+-) 37...R7e6 (better 37...Kf7!?=+) 38.Rd7= Re7 Black launches an attack 39.Rd6 (39.Nd5!? Rd5 40.Rd5=) 39...Kf7=+ 40.Rd8 (40.Nd5 Rb7=+) 40...Re3 (40...Re8!? 41.Rd3 h6=+) 41.fe3= Re3 42.Rd7 Re7 43.Rd3 Ke6 44.Kf2 Rc7 45.Ke3 (better 45.Rd4=) 45...Rc4-/+ 46.Ra3 Kd5 47.a5 (47.Ra2-+) 47...Kc5 48.ab6 ab6 (48...Kb6?! 49.Ra6 Kb7 50.Rd6-/+) 49.Ra7 h5 (49...Kb5?! 50.Rh7 Kc6 51.h5 gh5 52.Rh5=+) 50.Rg7 Rg4 51.Kf3 Kb5 52.Rc7 Ka5 53.Rc1 b5 54.Rb1 (54.Rc5 Ka4-+) 54...b4 55.Kf2 (55.Rb2 Rc4-+) 55...Kb5 56.Re1 Ka4 (56...b3 57.Rc1-+) 57.Re8 (57.Ra1 Kb3 58.Ra6-+) 57...b3 58.Ra8 Kb4 59.Ke2 b2 60.Kd2 (60.Rb8 Kc3 61.Rb2 Kb2 62.Kf3-+) 60...Kb3 61.Rb8 Rb4 62.Rb4 Kb4 63.Kc2 Ka3 64.Kb1 Kb3 65.g4 fg4 (65...hg4 66.h5 g3 67.hg6 g2 68.g7 g1Q) ½–½. BeepBeepImAJeep (2650) – econochess (2470), lichess.org, 2017.

7.Nf3 d4 8.Be2 b6 (better 8...Nh5!? 9.Qb3 e5=) 9.ed4+- Nh5 (better 9...cd4 10.Bd4 Re8+-) 10.d3 (10.Ne5 Nf4 11.0-0 Bb7+-) 10...cd4 (10...Nf4 11.0-0 cd4 12.Bc1=) 11.0-0 (11.Ng5!? Nd7 12.Bh5 gh5 13.Qf3+=) 11...Bb7 12.Nfd2 (12.Ne1 Nf4=) 12...Nf4 13.Bf3 Bf3? (better 13...Qc7 14.Nb3 a6=) 14.Qf3+- (14.Nf3?! a6=) 14...Qd6? (14...Nd3 15.Qd3 Nd7+-) 15.Ba3 Nd7 (15...Qc7 16.Qa8 Nd3+-) 16.Bd6 (16.Bd6 Nd3 17.Be7+-) 1–0. BeepBeepImAJeep (2590) – Juraldo (2455), lichess.org, 2016.

5.c4 c6

6.Nc3 cb5 7.cb5 d5 8.e3 d4 9.ed4 Qd4 10.Nf3 Qd8 11.Be2 Nbd7 12.0-0 e5 13.d4+= e4 (13...ed4 14.Nd4 Re8 15.Rc1=) 14.Nd2 (14.Ng5!?+/-) 14...Re8+= 15.Qc2 Increases the pressure on e4 15...e3 16.fe3 Re3 17.Nf3 Re8 18.Bd3 Nf8 19.Rfe1 (19.Ne4 Nd5 20.Qf2 Bf5=) 19...Ne6 Attacks the isolani on d4 (19...Bg4 20.Re8 Ne8 21.Be4 Bf3 22.Bf3 Qd4 23.Qf2=+) 20.Ne4 Nd4?? (better 20...Nd5=) 21.Bd4+- (21.Nd4?! Ne4 22.Be4 Bd4 23.Kh1 Bb2 24.Qb2 Qh4=) 21...Ne4 22.Be4?? (better 22.Bg7 Kg7 23.Re4+-) 22...Bd4=+ 23.Kh1? (better 23.Nd4 Qd4 24.Kh1=+) 23...Ba1-+ 24.Ra1 Qe7 25.Re1? (25.Qf2 Be6-+) 25...Bg4 (better 25...Bf5 26.Nd2 Qb4-+) 26.Bg6?? (26.Qf2 Qd7 27.h3 Bf3 28.Bf3 Re1 29.Qe1-+) 26...Qe1 (26...hg6?! 27.Re7 Re7 28.Qc4 Bf3 29.gf3=+; 26...fg6?! 27.Re7 Re7 28.Qc5=+) 27.Ne1 Re1 (27...fg6?! 28.Nf3=+; 27...hg6?! 28.Nf3-/+) 0-1. Jimito100 (2010) - TotalDepression (2340), Hourly HyperBullet Arena, lichess.org, 2020.

6.Nc3 d5 7.e3 d4 8.ed4= Qd4 9.Nf3 Qd8 10.Be2 Bg4 11.0-0 Nbd7 (11...Qd6 12.d4=) 12.d4+= c5 13.d5 Bf3 (13...Ne4 14.Qc1 Nd6 15.Qf4 Bf3 16.Qf3= (worse 16.gf3 Qa5 17.Rfc1 Rfd8-/+; worse 16.Bf3 Be5 17.Qg4 Bd4-/+)) 14.Bf3 Ne5 15.Be2 Nfd7? (15...Qd6 16.a5+=) 16.h3?? (better 16.f4+-) 16...f5 17.Qc2 Nf7 (17...f4 18.Qe4+=) 18.f4 (18.a5 Nd6+-) 18...Nf6 19.Rae1 b6 20.Bf3 Nd6 21.Nd1 Nfe4 (21...a6 22.Re6+-) 22.Be5 (22.Bg7 Kg7 23.Be4 Ne4 24.Nf2+-) 22...Be5? (better 22...Ng3!? 23.Rf2 Bf6+=) 23.fe5+- Nf7 24.Be4 fe4 25.Qe4 Nh6 (25...a6 26.Rf2 Nh6 27.Rf8 Qf8 28.Rf1+-) 26.Ne3 Qd7 27.Ng4 (27.Qh4 Kg7+-) 27...Ng4 28.Qg4 (28.e6 Qe8 29.Qg4 a6+-) 28...Qg4 29.hg4 Kg7 (29...a6 30.Rf8 Kf8 31.g5+-) 30.e6 a6? (30...h6 31.Rf3+-) 31.Rf8 Kf8 32.Rf1 Ke8 (32...Kg8 33.ba6 Ra6+-) 33.Rf7 ab5 34.ab5 (better 34.Rh7 Kd8 35.Rh8 Kc7 36.Ra8 bc4 37.Kf2+-) 34...Ra4 35.Rh7 Threatening mate... how? 35...Kd8 36.Rh8 (better 36.d6!? ed6 37.Rd7 Ke8 38.Rd6 Rc4 39.Rb6+-) 36...Kc7+= 37.Re8 Kd6 38.Rd8 Ke5 39.Rd7 Kf6?? (better 39...Rc4 40.Re7 Kd5=) 40.g5+- Kg5 41.Re7 Rc4 42.d6 Rd4 43.d7 c4 (43...Kf6 44.Re8+-) 44.Re8 (44.Rf7 c3 45.Rf1 c2+-) 44...c3 (44...Rd1 45.Kf2 Kf6 46.Ke3+-) 45.d8Q Rd8 46.Rd8 c2 47.Rc8 Kf6 48.Rc2 Ke6 49.Rc6 Kd5 50.Rb6 Kc5 51.Rg6 Kb5 52.Rf6 Kc5 53.Rf2 Kd5 54.g4 (54.g4 Ke5 55.g5 Kd4 56.g6 Kc3 57.g7 Kb3 58.g8Q Kb4 59.Rf4 Kc5 60.Qg5 Kd6 61.Rf6 Kd7 62.Qg7 Kd8 63.Rf8) 1–0. BeepBeepImAJeep (2615) – maag1983 (1805), lichess.org, 2018.

6.Nc3 d5 7.e3 e5 8.cd5 cd5 9.d4 ed4 10.Qd4 Ne4 (better 10...Ng4 11.Qb4 d4 12.ed4 Bd4=+) 11.Qg7?? (better 11.Qb4=) 11...Kg7-+ 12.Ne4 f6 13.Nc3 Be6 14.Nf3 Nd7 15.Be2 Bf7 (15...Nb6 16.Nd4 Re8 17.Ne6 Re6 18.Rd1-+) 16.0-0 Rc8 17.Rfd1 Nb6 18.Rac1 Re8 19.Ne4?? (better 19.Nd4-+) 19...Re4 (worse 19...de4 20.Rd8 Rc1 21.Bc1 ef3 22.Rd2 fe2 23.Re2-+) 20.Nd4 (20.Bd4 Na4 21.Ra1 Nc3 22.Bc3 Rc3 23.Ra7 Qb6-+) 20...Nc4 (20...Na4!? 21.Ba1-+) 21.Ba1 (21.Bc4 dc4 (21...Rc4?! 22.Rc4 h6 23.Rc2=) 22.Nf5 gf5 23.Rd8 Rd8-+) 21...Qe8 22.Bf3 Re5 23.a5 (23.Bc3 a6-+) 23...Re7 (23...Na5 24.Rc8 Qc8 25.Ne2-+) 24.a6 (24.Bg4 Rc5-+) 24...Ne5 25.Be2 ba6 26.ba6 Nc4 (26...Rc1 27.Rc1 Nc4 28.Rc2-+) 27.Bf3 (27.Bc3 Rec7 28.Re1 Na3-+) 27...Rec7 28.Nb5 (28.Rb1 Rb8 29.Rb8 Qb8-+) 28...Rc5 (better 28...Qb5!? 29.Bg4 Re8 30.Bd4-+) 29.Nd4 (29.Na7 Ra8 30.Bd4 Qf8-+) 29...Ra5 (better 29...Ne3 30.Bb2 Nd1 31.Rd1-+) 30.Bg4 Rc7 31.h4 (31.Re1 Ra6 32.Rc2 Rb7-+) 31...Qe7 (31...Qe4!? 32.Bf3 Qh4 33.Ne2-+) 32.h5 Ne5 33.Be2 Rc1 34.Rc1 Nc4 35.Bc3 Ra3 (35...Qa3 36.Rc2 Ra6 37.Nb5-+) 36.g4 (36.Nc6 Qe6 37.Nb4 Qb6-+) 36...Ne3! 37.g5 (37.fe3 Qe3 Double attack) 37...Kg8 (better 37...Qe4 38.Bf3 Qf4 39.gf6 Kh6 40.Bb2-+) 38.gf6 (38.Bb2 Nc4 39.Ba3 Qa3-+) 38...Qe8 (38...Qe5!? 39.Nf3 Qe4 40.Be5-+) 39.Bb2 (39.Bb4 Nf5 40.Nf5 gf5 41.Ba3 Qe2 42.Rc8 Be8 43.Ra8-+) 39...Ra2 40.Bb5 Qd8 (better 40...Qb8 41.fe3 Rb2 42.Be2 Qg3 43.Kf1-+) 41.Bc3 (41.Nc6 Qa8 42.Ne7 Kf8 43.Rc8 Qc8 44.Nc8 Rb2 45.Na7-+) 41...Nf5 (41...Qf6 42.Ne2 Qg5 43.Ng3-+) 42.Bb4 (42.hg6 Qf6 43.gf7 Kf7 44.Ne2 Qg5 45.Kf1-+) 42...Nd4 43.Be7 Qb8 44.Bd3 Nf3 45.Kf1 Ne5 (45...Ne5 46.Bd6 Qd6 47.Rc8 Be8 48.Re8 Kf7 49.hg6 Ke8-+) 0-1. BeepBeepImAJeep (2670) - jlhammer (2705), Rated Bullet tournament, lichess.org, 2016.

6.Nc3 d5 7.e3 e5 8.Nf3 d4 9.Nb1 Re8 10.d3 de3 11.fe3 e4 12.de4 Qd1 (12...Ne4?! 13.Qd8 Rd8 14.Bg7 Kg7 15.Nbd2 Nd2 16.Nd2=) 13.Kd1 Ne4 14.Kc2 (14.Bg7 Nf2 15.Ke2 Nh1-/+) 14...Bb2 15.Kb2 Nf2 16.Rg1 Re3 17.Nbd2 Nd7 18.Re1 Re1 Black fights for the Initiative 19.Ne1 Nc5 20.a5 a6 21.b6 Bf5 22.Kc3 Rd8 23.h3 (23.Nef3 h6-/+) 23...Nfe4 (23...Na4!? 24.Kb3 Nb6-+) 24.Ne4-/+ Ne4 25.Kb2 Rd2 26.Kb3 (26.Ka3 Ng3 27.c5 Rd5-+) 26...Rf2 (26...Rd1 27.Be2 Rb1 28.Kc2 Nc5 29.Kc3 Rb3 30.Kd2-+) 27.Nd3? (better 27.Bd3!?-+) 27…Rf1 (27...Rf1 28.Rf1 Nd2 29.Kb4 Nf1-+ (29...Bd3 30.Rd1 Bc4 31.Rd2+-)) 0–1. BeepBeepImAJeep (2760) – Alexander_Zubov (2870), lichess.org, 2019.

6.e3 a6 7.Nc3 ab5 8.ab5 Ra1 9.Qa1 d5 10.Nf3 dc4 11.Bc4 Nbd7 12.0-0 Nb6 13.Be2 Nbd5 14.Nd5 cd5 15.d4 Bg4 16.h3 Bf3 17.Bf3 Ne4 18.Rc1 (18.Be4 de4 19.Rc1 Qd7+=) 18...Nd2= 19.Be2?? (better 19.Bd1=) 19...Nb3-/+ 20.Qa3 Nc1 21.Bc1 Qc7 22.Bd2 Rc8 23.Bf3 e6 24.Qa4 (24.Qa7 b6 25.Qc7 Rc7-+) 24...Qc2 25.Qa5 (25.Qc2 Rc2 26.Ba5-+) 25...Bf8 26.Bb4 (26.Be2 b6! 27.Qa6-+) 26...Qb1 27.Be1 Rc1 28.Kf1 (28.Kh2 Re1 29.Qc7-+) 28...Bb4 29.Qd8 Kg7 30.g4 Re1 31.Kg2 Rg1 32.Kh2 Rh1 (32...Qf1 33.Qf6 Kf6 34.g5 Ke7 35.Bd5 Qf2 36.Bg2 Qg2) 33.Bh1-+ Qf1 34.Qh4 (34.Bg2 Qf2 35.Qc7 Qe3 36.Qe5 Qe5 37.de5-+) 34...Be1 (better 34...Bd6 35.f4 Qe2 36.Kg1 Qe3 37.Qf2 Qh3-+) 35.Qg3-/+ Bf2 (35...Qf2!? 36.Qf2 Bf2-/+) 36.Qe5= Kf8 Threatening mate... how? 37.Qb8 Kg7 38.Qe5 f6 39.Qc7 Kh6 40.Qf4 Kg7 41.Qc7 Kf8 42.Qd8 Kf7 43.Qd7 Kg8 44.Qd8 (44.Qe6?? Kg7 45.Qe7 Kh6 46.g5 Kg5 47.h4 Kg4 (47...Kh4?! 48.Qf6 g5 49.Qh6 Kg4 50.Qe6 Kh4 51.Qh6 Kg4 52.Qe6 Kh4 53.Qh6=; 47...Bh4?! 48.Bg2 Qf2 49.Qd6-+) 48.Qe6 f5 49.Bf3 Kf3 50.Qd5 Ke3-+) 44...Kg7 45.Qc7 ½–½. BeepBeepImAJeep (2625) – Moro182 (2630), lichess.org, 2016.

6.e3 cb5 7.ab5 d5 8.Nf3 dc4 9.Bc4 Bg4 10.0-0 Nbd7 11.Be2 Bf3 (11...Qb6 12.Bd4 Qd6 13.Ra7 (worse 13.Ba7 Bf3 14.Bf3 Ng4 15.Bg4 Ba1-/+) 13...Ra7 14.Ba7=) 12.Bf3+= Rb8 (better 12...Qc7!?+=) 13.Ra7+- Qb6 14.Qa4 Nc5 15.Qa5 Qa5 16.Ra5 Nb3 (16...Nd3 17.Ba3 Rfd8 18.Be7+-) 17.Ra7 (17.Ra3 Nc5+-) 17...Nc5 (17...Ne8 18.Bg7 Kg7 19.Rb7+-) 18.Bf6 (18.Ba3 Nce4+-) 18...Bf6 19.d4 Ne6 20.Rb7 Rb7 21.Bb7 Rb8 22.Bc6 Nc7 (22...Nd8 23.Rc1+-) 23.Nc3 e5 24.Ne4 (24.d5 Ne8+-) 24...Bg7 25.de5 Be5 26.Rb1 Bg7 (26...Ne6 27.b6+-) 27.g3 (27.Nc5 Ne6 28.Nd7 Rd8+-) 27...f5 (27...Kf8 28.Nc5 Ke7 29.Rd1+-) 28.Nc5 Bf8 29.Nd7 White prepares the advance b6 29...Rd8 30.Nf8 (30.Ra1 Bg7 31.Ra7 Ne8+-) 30...Kf8 31.b6 Ne6 (31...Na6 32.Bb5 Nb8 33.Kg2+-) 32.b7 Rb8 33.Ra1 (33.Ra1 Nd8 34.Bf3 Nb7 35.Rb1+-) 1–0. RichardSommer (2000) – Gugaarts (1955), lichess.org, 2020.

6.e3 cb5 7.cb5 b6 8.Nf3 Bb7 9.Be2 d6 10.0-0 Nbd7 11.d4 Rc8 12.Nbd2 e5 13.de5 de5 14.Ne5 (worse 14.Be5 Ne5 15.Ne5 Ne4 16.Ne4 Be5=+) 14...Ne5 15.Be5 Nd5 16.Bg7 Kg7 17.Nf3 Nc3 18.Qe1 Ne2 (18...Re8 19.Rc1 Qf6 20.Nd2=) 19.Qe2 Qd5 20.Rfd1 Qe4 (20...Qf5 21.Nd4 Qg5 22.f3+-) 21.Rd4 (21.Rd7 Kg8+-) 21...Qe5?? (better 21...Rc2 22.Qd1 Qf5+-) 22.Ne5+- (22.Ne5 Rc7 23.Rad1+-) 1–0. BeepBeepImAJeep (2640) – Dekorator (2235), lichess.org, 2016.

6.e3 cb5 7.cb5 d6 8.Nf3 Bg4 9.Be2 Nbd7 10.d4 Qa5 11.Nbd2 Ne4 12.0-0 Nd2 13.Nd2 Be2 14.Qe2 Nf6 (14...Rfc8 15.Qd3=) 15.Nc4+= Qc7 16.Rac1 Qd7 17.Na5 (17.Rfd1 Rfc8+=) 17...Nd5 (17...Rfc8 18.Qf3 d5 19.Nb3=) 18.Qf3+= White fights for the Initiative 18...e6 19.Nc4 Rac8 (better 19...Nb6!?+=) 20.Ba3+- Bf6 (20...Rfd8 21.Nd6 (21.Bd6?! Rc4 22.Rc4 Qd6=) 21...Rc1 22.Rc1+-) 21.Nd6 (better 21.e4!? Rc4 22.Rc4+-) 21...Rc1+- 22.Rc1 Be7 23.Nc4 Ba3 24.Na3 Nb4? (better 24...Rc8!? 25.Rc8 Qc8+=) 25.h3 (25.Nc4 Rc8 26.Qd1 Nd5+-) 25...Nd3 (25...Rc8 26.Rc4+-) 26.Rc3+- Nb4 27.Nc4 Rc8?? (better 27...f6+-) 28.Ne5 Qe8 29.Rc8 Qc8 30.Qf7 Kh8 31.Qf6 (31.Nd7 Qg8 32.Qf6 Qg7 33.Qe6 h5+-) 31...Kg8 32.Qf7 (32.Ng4 Qf8 33.Qe6 Kg7+-) 32...Kh8 33.Ng4 Qg8 (33...Nd5 34.g3 Qg8 35.Qb7+-) 34.Qf6 (34.Qb7!? Nd5+-) 34...Qg7 35.Qe6 Nd3 (35...h5 36.Ne5 Kh7 37.f4+-) 36.Nf6 (better 36.Ne5 Ne5 37.Qe8 Qg8 38.Qe5 Qg7 39.Qg7 Kg7+-) 36...Qf8 37.e4 Nf4 38.Qe5 Nd3 39.Qg5 (39.Nd7 Ne5 40.Nf8 Nc4+-) 39...Kg7 40.e5 h6 (40...Qf7 41.Nh5 Kf8 42.Qd8 Qe8 43.Qd6 Qe7 44.Qb8 Qe8 45.Qb7 gh5 46.Qf3 Kg7 47.Qd3+-) 41.Qe3 Nb4 42.h4 h5 (42...Qf7 43.Ng4 Nd5 44.Qh6 Kg8 45.Qg5+-) 43.Qg5 Nd3 (43...Qf7 44.Nh5 Kh7+-) 44.Nh5 Kh7 45.Nf6 White plans h5 45...Kg7 46.h5 Qf7 47.h6 Kf8 48.h7 Qg7 49.Nd7! Ke8 (49...Qd7 Theme: Deflection from h8 50.h8Q The nicest combinations are those leading to mate) 50.Nf6 (better 50.e6 Qd4 51.Qg6 Ke7 52.Qf7 Kd6+-) 50...Kf7?? (50...Kf8 51.e6 Ne5 52.Qe5 Qh7 53.Nh7 Kg8 54.e7 Kh7 55.e8Q Kh6 56.Q8h8) 51.Qd2 Qh7 52.Nh7 Kg7 53.Qd3 Kh6 (53...Kh7 54.Qh3 Kg8 55.Qd7 g5 56.e6 Kh8 57.e7 Kg7 58.e8Q Kh6 59.Qee6 Kh5 60.Qh7) 54.Qh3 Kg7 55.Nf6 Kf7 (55...b6 56.Qh7 Kf8 57.Qg8 Ke7 58.Qe8) 56.Qh7 Ke6 (56...Kf8 57.Qg8 Ke7 58.Qe8) 57.Qd7 1–0. BeepBeepImAJeep (2870) – VOVRUD (1760), lichess.org, 2017.

6.e4 d6 7.Nf3 (7.Qe2 Bg4 8.Nf3 d5=) 7...Nbd7 (7...Ne4 8.Bg7 Kg7 9.Bd3-/+) 8.Be2 (8.Qc2 Nc5 9.d3 a6=+) 8...e5 (8...Ne4 9.Bg7 Kg7 10.0-0=+) 9.0-0 (9.Nc3 d5 10.bc6 bc6 11.ed5 cd5 12.cd5 e4=) 9...d5 (9...Ne4!? 10.d4 ed4 11.Bd4 Ne5-/+) 10.Ne5 Nc5? (10...Ne4 11.d4=) 11.Ba3 (better 11.ed5 cd5 12.d4+-) 11...Qd6? (better 11...Nfe4 12.d4 dc4 13.bc6 bc6 14.Bc4 Be5 15.de5 Be6 16.Bc5 Nc5=) 12.Ng4?? (12.d4 Nfe4 13.f3 (13.Bc5?! Nc5 14.cd5 Be5 15.de5 Qe5=+) 13...Be5 14.fe4 Bh2 15.Kh1=) 12...Nb3?? (12...Ng4 13.Bg4 Bg4 14.Qg4 Ba1 15.ed5-+) 13.Bc5 (better 13.Bd6 Bg4 14.Bf8 Be2 15.Qe2 Bf8+-) 13...Re8 (better 13...Qc5 14.Nf6 Bf6 15.Ra3 dc4 16.Bc4 Qc4 17.d3-+) 14.Ba7 (better 14.Bd6 Bg4 15.Bg4 Na1 16.e5 Ng4 17.Qg4 cb5 18.cd5 Be5 19.Be5 Re5 20.Qd4+-) 14...Nc5 (better 14...Ng4 15.Bg4 Bg4 (worse 15...Ba1 16.Bc8 Rec8 17.Qb3 Ra7 18.cd5-+; worse 15...Ra7 16.Ra3 Bg4 17.Qb3-+) 16.Qb3 Ba1-+ (worse 16...Ra7 17.Qe3-+)) 15.e5 (better 15.Bc5 Qc5 16.d4+-) 15...Na4?? (15...Bg4 16.ed6 Be2=+) 16.Qb3 (better 16.ed6 Nb2 17.Nf6 Bf6 18.Qb3 Nc4 19.Bd4 Ra1 20.Ba1 Ba1 21.Bc4 dc4 22.Qc4+-). RichardSommer (2040) – Denis_88 (2160), lichess.org, 2020.

6.e4 Ne4 7.Bg7 Kg7 8.Qf3-/+.

6.e3 d5

7.cd5 cd5 8.Nf3 Bf5 9.Be2 Nbd7 10.Nc3 Nb6 11.0-0 (11.d3 a6=) 11...Nc4=+ 12.Bc4 (12.Qb3 Ne4 13.d4 Rc8 14.Ne4 A) worse 14...Nb2 15.Ned2+/- (15.Qb2?! Be4 16.Rfc1 Qa5=); B) 14...Be4=) 12...dc4 13.Nd4 (13.a5 Bd3 14.Re1 Ne4=+) 13...Bg4 (13...Bd3 14.Re1-/+) 14.Nce2 (14.f3!? Bc8 15.f4=+) 14...e5-/+ 15.Nc2 Re8 (15...Qd5!?-/+) 16.f3=+ Bf5 17.Nc3 (17.e4!? Bd7 18.Ne3=) 17...Bd3-/+ 18.Re1 Qd7 19.Nb4 Rad8 20.Nd3 Qd3 21.Ne4? (better 21.Re2!?-/+) 21...Ne4-+ 22.fe4 Qe4 (22...Qd2 23.Ba3-+) 23.Bc3 Rd3 24.Rb1 Red8 25.Rf1?? (better 25.Qc2-+) 25...Rc3! 26.Qf3 (26.dc3 Rd3 Double attack (26...Rd1 Pinning; 26...Rd1 Deflection; 26...Rd3 Decoy; 26...Rd1 Clearance)) 26...Qf3 27.Rf3 (27.gf3 Rd2 28.Rbc1 Re3 29.Rc4 Ree2-+) 27...Rd2 28.a5 White prepares b6 (28.Rf2 Bh6 29.Rd2 Be3 30.Kf1 Bd2-+) 28...e4 29.Rf4 (29.Rf2 Rd5 30.a6 Rb3-+) 29...f5 (29...Re3 30.Rc1-+) 30.b6 (30.Rf2 Rd5 31.a6 Rb3-+) 30...a6 (30...ab6 31.Rf2 Rf2 32.Kf2 ba5 33.Rb7-+) 31.h3 (31.Rf2 Rd5-+) 31...Rcc2 32.g4 Rg2 33.Kf1 Rh2 34.Kg1 Rcg2 (34...Be5 35.Re1-+) 35.Kf1 Bh6 36.Rc1 (36.Re1 Ra2 37.Kg1 Rhg2 38.Kh1 Bf4 39.ef4 c3 40.Rb1 Rh2 41.Kg1 Rag2 42.Kf1 e3 43.Re1 c2 44.Ra1 Rf2 45.Kg1 e2 46.Re1 Rfg2) 36...Bf4 37.ef4 Rc2 38.Rd1 (38.Rc2 Rc2 39.gf5 c3 40.fg6 Rd2 41.gh7 Kh7 42.Ke1 e3 43.f5 c2 44.f6 c1Q) 38…Rh1 0-1. brucepeng (1990) - Jhonattan564 (2005), lichess.org, 2020.

7.Nf3 a6 8.Be2 (8.Nc3 Bg4=) 8...ab5 9.ab5 Ra1 10.Ba1 dc4 11.Bc4 cb5 12.Bb5 Nc6 13.Nc3 Bd7 (13...Bg4 14.h3 Bf5 15.d4=) 14.0-0 e5 (14...Re8 15.d4+=) 15.d4 (better 15.Bc6!? Bc6 16.Ne5+-) 15...ed4= 16.Nd4 Nd4 17.Qd4 Bb5 18.Nb5 Qd4 19.Bd4 Ne4 (19...Rd8 20.Ra1=) 20.Rb1 Bd4 21.Nd4 (21.ed4 Rd8=) 21...Rb8 (21...Ra8 22.g4=) 22.Nc6 (22.f3 Nd6=) 22...Rc8?? (better 22...Ra8 23.Nd4 Nc3=+) 23.Ne7+- (23.Ne7 Kg7 24.Nc8+-) 1–0. BeepBeepImAJeep (2575) – Calanthe (2300), lichess.org, 2018.

7.Nf3 dc4 8.Bc4 cb5 9.ab5 a6 10.Be2 Nbd7 (10...Bf5 11.d4=) 11.0-0 Nc5 12.Nc3 (12.d4 Nce4+=) 12...Bg4 (better 12...Nd3!?=) 13.d4+- Ne6 14.Ne5 Be2 15.Qe2 Nd7 (15...Qb6 16.ba6 Ra6 17.Ra6 ba6 18.Ra1+=) 16.Nd7+- Qd7 17.Na4 (17.ba6 ba6 18.Ra6 Ra6 19.Qa6 Rb8+-) 17...Qd6 (17...Qb5 18.Qb5 ab5 19.Nb6=) 18.ba6 (18.Ba3 Qc7+=) 18...ba6 19.Nc3 a5 20.Ra2 Rfb8 21.Rfa1 Exerts pressure on the isolated pawn 21...Qd8 (21...Qc7 22.Nd1+=) 22.h3 (22.Nd1 Rb7+=) 22...Nc7 (22...Ra7 23.d5 Nc5 24.Nb5=) 23.Qc4 (better 23.Ra5!? Ra5 24.Ra5+-) 23...e6 24.Bc1 Ra6 (24...e5!? 25.de5 Ne6=) 25.Bd2 Rba8 26.Ne4 Nd5 27.Nc5 R6a7 28.Qb5 Bf8 (28...Nc7 29.Qc6+-) 29.Ra5 Ra5 30.Ra5 Ra5 31.Ba5 Qc8 32.Qd7 (32.e4 Nf6+-) 32...Qd7+- 33.Nd7 Bd6 (33...f5 34.Bb6+-) 34.Bd2 (34.e4 Bb4+-) 34...Kg7 35.e4 Ne7 (35...Nc7 36.f3+-) 36.e5 (36.Bc3!?+-) 36...Ba3+- 37.Nb6 (37.Nc5!?+-) 37...Bb2+= 38.Be3 Nc6 39.Nc4 (39.f4 Nd4 40.Nc4 Bc3+=) 39...Bd4= 40.Bd4 Nd4 41.g3 g5 42.Kg2 Kg6 43.f4? (better 43.f3!?=) 43...gf4-/+ 44.gf4 Kf5 45.Kg3 Ne2 46.Kf3 Nf4 47.Ne3 (better 47.Kg3-+) 47...Ke5 48.Ng4 Kf5 49.Ne3 Kg5 50.h4 Kh4 51.Kf4 Kh5 52.Ng4 Kg6 53.Ne5 Kf6 54.Ng4 Ke7 (54...Kg7 55.Ne5-+) 55.Ke5 (55.Kg5 Kd6 56.Nh6 f6 57.Kf6 Kd5=) 55...h5 56.Nf6 h4 57.Ng4 h3 58.Nh2 f5?? (58...Kd7!?-+) 59.Kf4 (better 59.Nf3!?=) 59...Kd6-/+ 60.Kg3 Kd5 61.Kh3 Kd4 (61...Ke4!?=+) 62.Kg2 Ke3 63.Kf1 (63.Nf1 Kf4=) 63...e5 64.Ke1 e4 65.Nf1 Kf3 66.Kd2 Kf2 67.Ne3 f4 68.Ng4 Kf3 Black prepares e3 69.Ne5 (69.Nf6 e3 70.Ke1 Kg2=) 69...Kf2 (69...Kg3 70.Ke1=+) 70.Ng4= Kg3 71.Ne5 (71.Nf6 Kg2 72.Ne4 f3=) 71...f3 72.Ke1 e3 73.Nf3 Kf3 74.Kf1 Kf4 75.Ke2 Ke4 76.Ke1 Kd3 77.Kd1 Kd4 78.Ke2 Ke4 79.Ke1 Ke5 80.Ke2 Kf4 81.Ke1 Kf3 82.Kf1 Ke4 83.Ke2 Kd4 84.Ke1 Kd3 85.Kd1 e2 86.Ke1 Ke3 ½–½. BeepBeepImAJeep (2590) – Kidefence (2660), lichess.org, 2018.

7.Nf3 dc4 8.Bc4 Nbd7 9.0-0 Nb6 10.Be2 Bg4 (10...cb5 11.ab5 Be6 12.Be5=) 11.d4 Nbd5 (11...cb5 12.ab5 Nfd5 13.Ne5 Be2 14.Qe2+=) 12.Nbd2 (12.bc6 bc6 13.Ne5 Bf5+=) 12...Rc8 13.Ne5 Be2 14.Qe2 Nd7 15.bc6 (15.Nec4 N7b6+=) 15...bc6 (15...Ne5!? 16.de5 Rc6=) 16.Nd7+= Qd7 17.Nb3 Rfe8 18.Nc5 Qd6 19.Ba3 (19.Rac1 e5 20.de5 Be5 21.Be5 Qe5+=) 19...Qc7 (19...e5 20.Nd3 Qc7 21.de5 Be5 22.Ne5 Re5 23.Rfc1+=) 20.Qa6 (better 20.Qf3!?+=) 20...e5=+ 21.de5 (21.Rab1 ed4 22.Rb7 Qd8=) 21...Be5-/+ (worse 21...Re5 22.Rab1+-) 22.h3 (better 22.Rab1 Bh2 23.Kh1-/+) 22...Bd6 (better 22...Ba1 23.Ra1 Rb8-/+) 23.Rac1 Qe7 24.Qc4?? (24.Rfe1 Rc7=) 24...Nb6?? (better 24...Qe5 25.g3 Ne3-+) 25.Qc3 (25.Qg4!?=) 25...Na4=+ Black launches an attack 26.Na4 Exploits the pin (26.Qa5 Qe5 27.g3 Nc5 28.Bc5 Bb8=+) 26...Ba3-/+ 27.Rcd1 Bb4 28.Qc4 a5 29.Rd4 c5 30.Rd5 Rcd8 31.Rfd1 Rd5 32.Qd5 Rc8 33.Nb6 Rb8 34.Nc4 (34.Nd7 Re8=+) 34...Qe6 35.Qd3 a4 36.Rb1 Ra8 37.Ra1 Qf6 38.Ra2 Qe6 (38...Ra7 39.Nb2 a3 40.Nc4-/+) 39.g4?? (39.Ra1 Ra7 40.Nb2-/+) 39...h6 (39...Ra7 40.Qc2-+) 40.Kg2 Kh7 41.Qc2 Qd5 (41...Qc6 42.e4-+) 42.e4 Qd4 (better 42...Qe6-/+) 43.Ra4?? (better 43.Nb6 Re8 44.f3-/+) 43...Ra4-+ 44.Qa4 Qe4 (worse 44...Qc4 45.Qe8-+) 45.f3 (45.Kg3 Qc4 46.Qd1 Qe6-+) 45...Qc4 (better 45...Qe2 46.Kh1 Be1-+) 46.Qd7 (46.Qe8-+) 46...Qe2 47.Kg3 (47.Kg1 Qf3 48.Qd6 Bc3 49.Qc5 Bd2-+) 47...Qe6 (47...Be1 48.Kf4 g5 49.Kf5 Qf3 50.Ke5 Bg3) 48.Qd8 (48.Qe6 fe6 49.Kf2-+) 48...c4 (48...Be1 49.Kg2 Qe2 50.Kh1 Qf3 51.Kg1 Bf2 52.Kf1 Bg3 53.Kg1 Qf2 54.Kh1 Qf1) 49.Qc7 Bd6 50.Qd6 Qd6 51.Kf2 c3 52.Ke3 (52.h4 Qh2 53.Ke3 c2 54.f4 c1Q 55.Kd3 Qc5 56.h5 Qhc2) 52...c2 53.g5 (53.Kf2 c1Q 54.Kg2 Qc2 55.Kf1 Qdd1) 53...c1Q 54.Kf2 (54.Ke4 Qcf4) 54...Qcc5 (54...Qh2) 55.Ke2 Qdd4 (55...Qc2 56.Ke3 Qdd2) 56.Kf1 (56.f4 Qe3 57.Kd1 Qcc1) 56...Qe3 (56...Qf2) 57.Kg2 (57.gh6 Qf2) 57...Qf2 (57...Qg1) 58.Kh1 Qg1 (58...Qc1) 0–1. BeepBeepImAJeep (2700) – ChubToad (2670), lichess.org, 2020.

7.Nf3 dc4 8.Bc4 Nbd7 9.Be2 Nb6 10.0-0 c5 11.d4 cd4 12.Nd4 Nbd5 (12...Ne4 13.Nd2 Nd2 14.Qd2=) 13.Nc3 Bd7 (13...Nc3 14.Bc3 e5 15.Nf3=) 14.Nd5+= Nd5 15.Qb3 Nf6 (15...e6 16.g3+=) 16.Rfd1+/- Rc8 17.Bf3 (better 17.Bc4+/-) 17...b6? (better 17...e5!? 18.Bb7 ed4 19.Bc8 Bc8 20.Bd4 Be6+/-) 18.Ba3 (18.Nc6 Qe8+-) 18...Qe8 (18...Qc7 19.Rac1 Qe5 20.Nc6 Bc6 21.bc6+- (worse 21.Rc6 Rcd8+/-; 21.Bc6?! Rfd8+/-)) 19.Nc6 Bc6 (19...Be6 20.Qb4 Kh8+-) 20.Bc6 Rc6 21.bc6 Qc6 22.Be7 Re8 (22...Rc8 23.Ba3 Bf8 24.Rac1+-) 23.Rac1 Qe4 24.Bf6 Bf6 25.Qc4 (25.Rd7 Re7 26.Rc8 Kg7+-) 25...Qe7 (25...Re7 26.g3 h5 27.Qe4 Re4 28.Rd7 Ra4 29.Rcc7+-) 26.Qc6 Be5 (26...Kg7 27.Rd7 Qa3 28.Ra7+-) 27.Rd7 Qh4 (27...Qa3 28.Ra7 Re6 29.Qc8 Kg7 30.g3+-) 28.g3 Qb4 29.Ra7 Rf8 (29...Rd8 30.Rb7+-) 30.Rd1 (30.Rb7 Qa3+-) 30...Qb3 (30...h5 31.Rdd7 Qb1 32.Kg2+-) 31.Rdd7 Qb1 (31...Bc3 32.Rdb7+-) 32.Kg2 Bb8 (32...Qf5 33.Rab7+-) 33.Rab7 Qf5 (33...Qa2 34.Qe4 Qb2 35.Qe7+-) 34.Qd5 Qf6 35.h4 (35.Qb5 Be5 36.Rb6 Qf5+-) 35...h5 (35...Be5 36.e4+-) 36.Qg5 (36.Qb5 Be5+-) 36...Qe6 (36...Qg5 37.hg5 Be5 38.Rb6+-) 37.Kh2 (better 37.Re7 Qd6 38.Qb5+-) 37...Qa2 (37...Bd6+-) 38.Qg6 Kh8 39.Qf6 Kg8 40.Kg2 Qe6 41.Qe6 fe6 (41...Bf4 42.Rf7 Rf7 43.Qf7 Kh8 44.Qg7) 42.Rf7! Kh8 (42...Rf7 43.Rb8 Double attack) 43.Rf8 1-0. BeepBeepImAJeep (2525) - slipslapmonster (2515), Rated Bullet game, lichess.org, 2016.

7.Nf3 Qc7 8.Be2 Nbd7 (8...dc4 9.Bc4 cb5 10.Bb5=) 9.d4 Ne4 (9...cb5 10.cb5 Re8 11.Nc3+=) 10.0-0 dc4 11.Bc4 c5 12.Be2 (12.Qc2 Nd6+=) 12...cd4= 13.Nd4 Ne5 (13...e5 14.Qc2 Qc2 15.Nc2=) 14.Nd2 Nc3 15.Bc3 Qc3 16.Rc1 Qa5 17.N2f3 (17.f4 Nd7+=) 17...Nd7 (17...Nf3 18.Nf3 (18.gf3? Bh3-+) 18...a6 19.Qb3=) 18.Qc2 (18.Rc4 Qd8=) 18...Nb6 (18...e5 19.Nb3 Qa4 20.Rfd1=+) 19.Ra1 e5 20.Nb3 Qb4 21.a5 (21.Nc5 Bf5 22.e4 Rfc8=) 21...Bf5=+ 22.Qa2 Nd5 23.Qa3 Qa3 24.Ra3 Nc3 (24...Rac8 25.Nbd2=+) 25.Bc4= Rac8 26.Nfd2 (26.Nbd2!? Ne4 27.Ne4 Be4 28.Rc1=) 26...Rfd8-/+ 27.a6 (better 27.Re1!?-/+) 27...b6-+ 28.h3 (28.Re1 Bd7-+) 28...Bd7 (28...Bc2 29.Na5 Ne4 30.Nc6 Nd2 31.Rc1 Nc4 32.Rc3 Rc6 33.bc6 Ne3 34.fe3-+) 29.g4 Nb5 30.Bb5 Bb5 31.Rfa1 Rc2 (31...f5 32.gf5 gf5 33.Rb1-+) 32.Nf3 (better 32.R3a2 Rc3 33.Rc1 Rc1 34.Nc1-+) 32...Bc6 33.Ne1 (33.Kg2 Bd5 34.e4 Be4-+) 33...Rc3 34.Nc1 (34.Rb1 Bd5 35.Rd1 Bf6-+ (35...Rb3? 36.Rb3 Bb3 37.Rd8 Bf8 38.Ra8+-; worse 35...Bb3 36.Rd8 Bf8 37.Ra1+=)) 34...e4 (34...Ra3!? 35.Ra3 Rd1 36.Ncd3-+) 35.Ne2 Ra3 36.Ra3 White launches an attack 36...Rd1 37.Kf1 Bb5 38.Rb3 (38.Ra2 Bc3 39.Kg2 Be1-+ (39...Re1?! 40.Nc3 Bd3 41.g5-/+)) 38...Bd3 (38...Ba6 39.Ra3 Bc4 40.Ra4-+) 39.f3 ef3 (better 39...Bc4 40.Rb4 Ba6-+) 40.Rd3-/+ fe2 41.Ke2 Rd3 (41...Ra1 42.Rd8 Bf8 43.Nd3-/+) 42.Nd3 Kf8 (better 42...b5=+) 43.Nb4+= Ke7 44.Nc6 Kd7 45.Na7 Kc7 46.Nb5 Kc6?? (46...Kb8 47.Kd3+-) 47.a7 (better 47.Nd6!+-) 47...Kb7+- 48.Nc7?? (better 48.Kf3+-) 48...Ka7-/+ 49.Nd5 Ka6 50.Kd3 Kb5 51.e4 Kc5 52.Ne7 b5 53.Nc8 (53.g5 b4-+) 53...b4 (53...Bf8 54.e5-+) 54.Na7 (54.Ne7 h6-+) 54...b3 55.Kd2 (55.g5 Kb4 56.Nc6 Ka3-+) 55...b2 (55...Kc4!? 56.Kc1 Kd3 57.e5 Be5 58.Nc6-+) 56.Kc2 Kd4 57.Nc6? (57.Kb2 Ke4 58.Kc2-+) 57...Ke4 58.Ne7 (58.Nd8 f5 59.gf5 gf5-+) 58...Kf3 59.Nf5 (59.Nc8 Be5 60.Ne7-+) 59...gf5 60.g5 (60.gf5 Kg3 61.Kb1-+) 60...f4 61.h4 Bf6! 62.h5 (62.gf6 Kg4) 62...Bg5 63.h6 Bh6 (63...Bf6 64.Kd2 Kg2 65.Kd3 b1Q 66.Kc4 f3 67.Kc5 f2 68.Kc6 Qb4 69.Kd7 f1Q 70.Kc6 Qfc4 71.Kd7 Qe7) 64.Kb2 Kg4 65.Kb1 f3 66.Kc2 f2 (66...f2 67.Kb3 f5 68.Kb4 f1Q 69.Kc5 Be3 70.Kd6 Qa6 71.Kd5 Qb6 72.Ke5 Qc5 73.Ke6 Qc6 74.Ke7 Bg5 75.Kf7 Qd7 76.Kg8 Bh6 77.Kh8 Qg7) 0–1. BeepBeepImAJeep (2710) – Astramariy (2695), lichess.org, 2019.

7.Nf3 Re8 8.Be2 Bg4 9.d4 e6 (9...a6 10.cd5 cd5 11.0-0=) 10.0-0 Nbd7 11.Nc3 Bf3 12.Bf3 Rc8 13.Rc1 (13.bc6 bc6 14.cd5 cd5+=) 13...dc4 14.bc6 bc6 15.Be2 Nb6 16.a5 Nbd5 17.a6 Qb6 18.Ba1 (18.Na4 Qa6 19.Bc4 Qb7=) 18...Qa6=+ 19.Na4 Attacks the isolani on c4 19...Qb5 (19...Nd7 20.Rc4 Qb7 21.Qc2=) 20.Bc4 Qb7 21.Nc5 Qe7 22.Rb1 Nb6 Black gets the initiative 23.Be2 Nfd7 24.Nd3 (24.Nd7 Qd7 25.Qc2 e5=) 24...c5-/+ 25.dc5 Nc5 26.Bg7 Kg7 27.Nc5 Rc5 28.Ra1 Rd8 29.Qb3 (29.Ra7 Rd1 30.Re7 Rd2=+) 29...Rd7 30.Qb4 (30.Rfd1 Qf6-/+) 30...Rdc7 31.h3 Qf6 (31...Nd5 32.Qg4-/+) 32.Bf3 (32.Ra7! Nd5 33.Rc7 Rc7 34.Qd6=) 32...Nd5 (32...Rc2 33.Qe4-/+) 33.Qb8 Qe7 34.Rad1 (34.Rfd1 a5-/+) 34...h5 (34...Rc8 35.Qe5 Qf6 36.Qd6-/+) 35.Qb2 (35.Bd5 ed5 36.Rd4 a6=+) 35...Qf6 (better 35...Nc3-/+) 36.Qa2? (better 36.Qb8=+) 36...Nc3-+ 37.Qa1 Nd1 38.Qd1 Rc1 39.Qc1 Rc1 40.Rc1 a5 41.Bd1 (41.Bc6-+) 41...Qb2 42.Rc7 (42.Rc2 Qb1 43.Rd2 a4-+) 42...Qb1 43.Rd7 a4 44.Kh2 a3 45.Ra7 (45.Rd4 a2 46.Ra4 a1Q 47.Ra1 Qa1-+) 45...a2 (better 45...Qb8 46.Kg1 Qa7 47.Bb3-+) 46.Ra2 (46.Ra6 a1Q 47.Ra1 Qa1-+) 46...Qa2 47.Kg3 (47.e4 Qf2 48.Bf3 e5-+) 47...Qd2 48.Bf3 (48.Ba4 h4! 49.Kh2 Qf2-+) 48...Qd6 49.Kh4 e5 (49...Qh2 50.Ba8 Kh6 51.f4 f6 52.Be4 g5 53.fg5 fg5) 50.g4 (50.Bg4 g5! 51.Kg3 e4 52.f4 hg4 53.Kf2 Qd2 54.Kg3 Qe3 55.Kg4 Qf4 56.Kh5 Qh4) 50...e4! 51.Be4 hg4 (51...g5 52.Kg5 Qf6 53.Kh5 Qh6) 52.Kg4-+ Qf6 (better 52...f5!? 53.Bf5 gf5 54.Kf5 Qf6 55.Ke4 Qf2 56.Kd3-+) 53.f4 (53.Bf3 Qe5 54.Bg2 f5 55.Kf3 g5-+) 53...Qe7 (better 53...Qc3!? 54.Kf3 f5 55.Bb7-+) 54.Kf3 f5 (54...Qe6!? 55.Bd3-+) 55.Bd3 Qc7 56.Be2 Qd6 57.h4 (57.Bf1 Qd1 58.Kf2 Qd2 59.Kf3 Kf6-+) 57...Qd2 58.h5 (58.Bf1 Qe1 59.Be2 Qh1 60.Kf2 Qh4 61.Kf3 g5 62.fg5 Qe4 63.Kf2 Kg6-+) 58...Qe1 (better 58...gh5 59.Bf1 h4 60.Ba6-+) 59.hg6 Qh4 60.e4 (60.Bd3 Qg4 61.Kf2 Kg6-+) 60...Kg6 (better 60...Qh3!? 61.Kf2 fe4 62.Bd1 e3 63.Ke2 Qh5 64.Ke3 Qd1 65.f5-+) 61.Ke3 (61.Bd3 Qg4 62.Ke3 Qg3 63.Kd4 Qf4-+) 61...Qh3 62.Kd4 fe4 (better 62...Qg3 63.Bd3 Qf4-+) 63.Bd3 (63.Ke4 Qh1 64.Ke3 Kf5 65.Bd3 Kg4-+) 63...Kf6 (63...Qd3 64.Kc5 e3 65.Kb4 e2 66.Ka5 e1Q 67.Kb6 Qb4 68.Kc7 Qbd6 69.Kc8 Q3a6) 64.Be4 (64.Ke4 Qg2 65.Ke3 Qg1 66.Ke4 Qf2-+) 64...Qg3 65.Bd3 Qg7 (65...Qf4 66.Kd5-+) 66.f5 (66.Ke4 Qb7 67.Ke3 Qb6 68.Ke4 Qf2-+) 66...Qe7 (66...Qa7 67.Kc3-+) 67.Be4 (67.Kc3 Ke5 68.Bc4 Qa3 69.Bb3 Ke4-+) 67...Qe5 68.Ke3 (68.Kd3 Qb5 69.Ke3 Qc5 70.Kf3 Ke5-+) 68…Qf4 (68...Qf4 69.Kf4 Ke7 70.Kg5 Kf7 71.Bd5 Ke7 72.f6 Kd7 73.Kg6 Kd6 74.Bb7 Kc7 75.Bf3 Kd6 76.f7 Kc5 77.f8Q Kc4 78.Be2 Kd5 79.Qf5 Kd4 80.Qd3 Kc5 81.Qc3 Kb6 82.Qb4 Kc6 83.Bf3 Kc7 84.Qc5 Kd8 85.Qa7 Ke8 86.Bc6 Kd8 87.Qd7; better 68...Qg3 69.Bf3 Kf5-+) 0–1. BeepBeepImAJeep (2770) – Sviridov_Valery (2630), lichess.org, 2019.

7.Nf3 Bf5 8.cd5 cd5 9.Be2=.

7.Nf3 Bf5 8.Be2 dc4 9.Bc4 Bd3 (9...Nbd7 10.bc6 bc6 11.0-0=) 10.Bd3= Qd3 11.Ne5 (11.Qe2 Qe2 12.Ke2 cb5 13.ab5 Rc8=) 11...Qd5=+ 12.0-0 (12.Qf3 Rc8 13.Qd5 Nd5=+) 12...cb5-/+ 13.d4 ba4 14.Nc3 Qb3 15.Na4 (15.Qe2 Rc8=+) 15...Qd1-/+ 16.Rfd1 Nbd7 17.Nd3 (17.Nd7 Nd7 18.Ba3 Bf6-/+) 17...Rfc8 18.Ba3 (18.Nac5 b6 19.Na6 Nd5-/+) 18...e6 19.Rdb1 b6 20.f3 (20.Kf1!?-/+) 20...Nd5-+ 21.Bc1 Rc2 22.Ne1 Rc6 (22...Rc1 23.Rc1 Ne3 24.Nc3 Bd4 25.Ra4 Nf5 26.Kf1-+) 23.Bd2 Rac8 24.Kf1 a5 25.Ra2 f5 26.Nb2 (26.Ke2 Kf7-+) 26...Nc3 (26...e5 27.de5 Be5 28.h3-+) 27.Bc3 Rc3 28.Na4 Re3 29.Nc2 Rd3 30.Ke2 Rdc3 (30...Rd4!? 31.Nd4 Bd4-/+) 31.Nc3=+ Rc3 32.Na3 (32.Kd2 Rc6-/+) 32...Kf8 (32...Bd4!? 33.Rd1 Bc5-/+) 33.Nb5=+ Rc4 34.Kd3 Rc6 35.Re1 Kf7 36.Rae2 Attacks the backward pawn on e6 36...Nf6 (36...Nf8 37.Rc2 Rc2 38.Kc2=) 37.Nc3 (37.Na7 Rd6 38.Nb5 Rc6=) 37...Rd6 (37...h6 38.Rb2-/+) 38.Kc4 (38.Nb5 Rc6 39.Nc3 h6-/+) 38...Rc6 (38...Nh5 39.Rd2-/+) 39.Kb3 (39.Kd3 h6-/+) 39...Rd6 (39...Ne8 40.Rd1-/+) 40.Rd1 (better 40.Kc4!?=) 40...Nd5-/+ 41.Nb5 Rc6 42.Ra1 Nf4 43.Rd2 Nd5 (43...h6 44.g3 Nd5 45.Rc2 Rc2 46.Kc2-/+) 44.Re1 (44.Re2 f4 45.Re4-/+) 44...Ke7 45.g3 Kd7 46.f4 (46.Ra2 f4-/+) 46...h6 47.Rd3 g5 48.fg5 hg5 49.Na3 (49.h4 gh4 50.gh4 f4-/+) 49...g4 50.Nc4?? (better 50.Nb5-+) 50...b5 (better 50...a4 51.Ka4 Rc4 52.Kb3 Rb4 53.Ka3 Rd4 54.Rd4 Bd4-+) 51.Na5=+ Ra6 (51...Rc7 52.Kb2=+) 52.Ra1 (better 52.Nb7 Ke7 53.Nc5=) 52...Kd6?? (52...Bf6 53.Kb2=+) 53.Kc2?? (better 53.Nb7 Kc6 54.Ra6 Kb7 55.Re6+-) 53...f4 (53...Ke7 54.Rd2=+) 54.Kd2 (better 54.Nc4 Ke7 55.Ra6 Nb4 56.Kc3 Na6 57.Ne5 Be5 58.de5=) 54...f3?? (better 54...Ke7-/+) 55.Nb3?? (better 55.Nb7 Ke7 56.Ra6 Bh6 57.Ke1+-) 55...Bh6-+ 56.Ke1 Rc6 57.Nc5 e5 (better 57...Nb4!? 58.Rc3 Kd5-+) 58.Ne4-/+ Ke6 59.de5? (59.Nf2 ed4 60.Ng4-/+) 59...Ke5?? (better 59...Nb4 60.Rad1 Nd3 61.Rd3 Rc1 62.Rd1 Rd1 63.Kd1 Ke5-+) 60.Nf2=+ Ne3 (60...Rc4 61.Ra5 Nc7=) 61.Re3 (better 61.Rb1!?=) 61...Be3-/+ 62.Ng4 Ke4 63.Ne3 Ke3 64.Ra3 Ke4 65.Rb3 Rc5 66.Rb2 Rc1 67.Kf2 Rc3 (67...Rc4 68.h4 b4 69.h5=) 68.Rb4 (better 68.h4!?+-) 68...Rc4= 69.Rb5 Rc2 70.Ke1 Re2 71.Kf1 Rh2 72.Rb4 Ke3 Do you see the mate threat? 73.Rb3 Ke4 74.Rb4 Ke3 Threatening mate... how? 75.Rb3 Ke4 76.Ra3 Rh1 77.Kf2 Rh2 78.Kg1 Rg2 79.Kf1 (79.Kf1 Rg3 80.Ra4 Ke3 81.Ra3 Kf4 82.Ra4 Ke5 83.Ra5 Kd4 84.Ra4 Kd5 85.Kf2=) 1–0. BeepBeepImAJeep – MrChipper (2550), lichess.org, 2016.

7.Nf3 Bg4 8.Be2 dc4 9.Bc4 Nbd7 10.Be2 Bf3 11.Bf3 Rc8 (11...Qb6 12.Qc2=) 12.0-0 e5 13.d4 (13.bc6 bc6 14.Qc2 Re8=) 13...e4= 14.Be2 c5 15.Nd2 Nd5 (better 15...Qe7!?=) 16.Ne4+- cd4 (16...Qe7!? 17.Bf3 Rfd8+-) 17.Bd4+- N7f6 18.Nf6 Bf6 19.Bf3 Nc3 20.Bc3 (20.Bf6 A) 20...Qd1?? 21.Bd1 (worse 21.Rfd1 Nd1 22.Rd1 Rc7+-; worse 21.Rad1 Nd1 22.Rd1 Rc7+-) 21...Ne4 22.Bd4+-; B) 20...Qf6 21.Qd7 Qb6+-) 20...Bc3 (20...Rc3 21.Rc1 (worse 21.Bb7 Rd3 22.Qf3 Ba1 23.Ra1 Qd6+=) 21...Rc1 22.Qc1+-) 21.Rc1 (21.Bb7!? Ba1 22.Bc8 Be5+-) 21...b6 22.Bc6 Bf6 (22...Be5 23.f4 Bd6 24.Qf3+-) 23.Qf3 (23.Qg4 Qe7+-) 23...Qe7 24.Rcd1 Rfd8 25.Rd5 Rd5 26.Bd5 Qe5 27.g3 Kg7 28.Bc6 Rd8 29.Rd1 Rd1 30.Qd1 Qa1 31.Qa1 Ba1 32.Kg2 f5 33.f4 h5 34.Kf3 Kf6 35.e4 fe4 36.Be4 Bb2 37.h4 Ba1 38.g4 hg4 39.Kg4 Bb2 40.f5 gf5 41.Bf5 Kg7 42.Be4 Bc3 43.Kf5 Ba5 44.Ke6 Kh8 (44...Bc3 45.Kd5+-) 45.h5 Kg7 46.Kd7 (46.Kd5 Bc3+-) 46...Kh6 47.Bf3 Kg7 48.Kc6 Kh8 49.Kb7 Kg7 50.Ka7 Kh6 51.Kb7 Kg7 52.Kc6 Kh6 53.Kd5 Kg7 54.Ke4 Kh6 55.Kf5 Bb4 56.Kg4 Ba5 57.Be4 Bb4 58.Bf5 Ba5 59.Bg6 Bb4 60.Kf5 Ba5 61.Ke6 Bb4 62.Kd5 Ba5 63.Ke5 Kg5 64.Kd4 Kh6 65.Ke4 Kg5 66.Ke5 Kh6 67.Kf5 Bb4 68.a5 (68.Kf6!? Bc3 69.Ke7 Bb4 70.Ke8 Bc5+-) 68...Ba5+- 69.Ke6 Bb4 70.Kd7 Ba5 71.Kc6 Kg5 72.Kb7 Kh6 73.Ka6 Kg5 74.Be8 Kh6 75.Bc6 (75.Bf7 Kg5+-) 75...Kg5 (75...Kh5 76.Bg2=) 76.Bd7 (76.Bf3 Kf5+-) 76...Kh6 (better 76...Kh5!? 77.Be6 Kg5+=) 77.Be8 Kg5 78.Bg6 Kh6 79.Kb7 Kg5 80.Kc6 Kh6 81.Kd5 Kg5 82.Be4 (82.Kc4 Kh6+-) 82...Kh6 (better 82...Kh5!? 83.Kc6 Kg4+=) 83.Bf3+- Bb4 84.Be2 Bc5 85.Ke4 Bf2 86.Kf5 Bg1 87.Ke6 Bf2 88.Kf5 (88.Bf3 Bd4+-) 88...Bg1 89.Kg4 Bf2 90.Kf3 Bg1 91.Kg2 Bf2?? (better 91...Bc5+-) 92.Kf2+- (92.Kf2 Kg5 93.Ke3+-) 1–0. BeepBeepImAJeep (2580) – DjGajos (2550), lichess.org, 2019.

7.Nf3 Bg4 8.Be2 Nbd7 9.cd5= Nd5 10.Bg7 Kg7 11.Nd4 (11.d4 Rc8=) 11...Be2+= 12.Ne2 Nb4 13.0-0 c5 14.Nbc3 b6 (14...c4!?+=) 15.Qb3 e6 16.Ng3 (16.d4 Qh4+=) 16...Nf6 17.Nge4 (17.d4 Rc8=) 17...Ne4+= 18.Ne4 Qd5 19.Qc3 e5 20.f3 f5 21.Ng5 h6 22.e4 Qd6 23.Nh3 Rfd8 24.Nf4 (24.a5!?=) 24...Kf6 25.Rad1 Qd4 26.Qd4 Rd4 27.Ne2 Rd3 28.Nc3 Rad8 29.ef5 (29.g3 Ke6-/+) 29...gf5 (29...Kf5?! 30.Ne4-/+) 30.g4 Rd2 31.Rd2 Rd2 32.gf5 Kf5 33.Ne4 Rd3 (33...Ra2!? 34.Ng3 Kf4 35.Nh5 Ke3 36.f4 ef4 37.Rf4 Ra4 38.Rf6–+) 34.Ng3 Kf4 35.Nh5 Ke3 36.Nf6 (36.f4 ef4 37.Rf4 Nd5–+) 36...Nc2 (36...Rd6 37.Ne4 Rg6 38.Kh1–+) 37.Ng4 (37.f4 e4 38.Ng4 Kd2 39.Nf2–+) 37...Ke2?? (better is 37...Kf4 38.Nh6 Nd4–+ (worse is 38...Rf3 39.Rf3 Kf3 40.Nf7–+)) 38.Ne5-/+ Re3 (38...Rd4 39.f4 Ra4 40.Rf2 Kd1 41.f5=) 39.f4 Nd4 (39...Re4 40.Rf2 Kd1 41.Nf7 Ra4 42.f5=) 40.Kg2= Nf5 41.Rf2 Kd1 42.Nc6? (42.Ra2 Re2 43.Re2 Ke2-/+) 42...Ra3 (better is 42...Nh4!? 43.Kg1 Re1 44.Rf1 Nf3 45.Kg2 Rf1 46.Kf1 c4–+) 43.Na7+= Ra4 44.Nc8 Rb4 45.Nb6 Rb5 46.Nc4 Rb4?? (46...Rb3+=) 47.Ne5?? (better is 47.Nb2 Kc1 48.Nd3 Kb1 49.Nb4 cb4 50.Kf3+–) 47...Ne3 (47...c4!?-/+) 48.Kf3= Nf5 49.Kg4 Ne3 50.Kh5 Nd5 The isolani on f4 becomes a target (better is 50...c4 51.f5 c3=) 51.f5+/- Rf4? (better is 51...Re4 52.Nd7 c4+/-) 52.Rf4+– Nf4 53.Kh6 Kd2 54.f6 Ne6 55.f7 Ke3 56.Kg6 Kd4 57.Kf6 Nf8 58.Ng6 (better is 58.Ke7 Nh7 59.Nf3 Ke3 60.Ng5 Ng5 61.f8Q+–) 58...Nd7 (58...Nh7 59.Kg7 Ng5+–) 59.Ke7 (better is 59.Ke6!? Nb6+–) 59...Ne5 60.Ne5 (60.Ne5 Ke5 61.f8Q+–) 1–0. avinoam – wgwl (1625), playok.com, 2013.

7.Nf3 Bg4 8.Be2 Bf3 9.gf3 Nbd7 10.d4+=.

5.c4 d5

6.Nc3 dc4 7.e3 c6 8.Bc4 cb5 9.ab5 a6 10.Nf3 Nbd7 11.Be2 Nb6 12.Qb1 Bf5 13.0-0?? (better 13.d3=) 13...Bb1-+ 14.Rab1 Nbd5 15.ba6 ba6 16.Nd5 Nd5 17.Ra1 (17.d4-+) 17...Bb2 18.Ra6 Ra6 19.Ba6 Bg7 20.Be2 (20.Bc4 e5 21.d3 Nb6-+) 20...e6 (20...e5 21.e4 Nf4 22.Re1-+) 21.d4 Qe7 22.Nd2 (22.Ra1 Rb8-+) 22...Rd8 23.Ne4 (23.Nf3 Nc3 24.Re1 e5-+) 23...Rc8 (23...f5!? 24.Ng3-+) 24.Ng3 Nc3 25.h3 (25.Bf3 e5 26.de5 Be5-+) 25...Ne2 (25...e5 26.de5 Be5 27.Bg4-+) 26.Ne2 e5 27.Ng3 (27.de5 Be5 28.Nf4 Qd7-+) 27...ed4 28.ed4 Bd4 29.Kh2 Qd6 30.f4 Be3 31.Rf3 Bf4 32.h4 (32.Kh1 Bg3 33.Rf1 Qf4 34.Rg1 Rc1 35.Rc1 Qc1) 32...Bg3 33.Rg3 (33.Kh3 Rc1 34.Rg3 Rh1 35.Kg4 f5 36.Kf3 Qd3 37.Kf4 Qe4 38.Kg5 Qh4) 33...Rc3 34.Kg1 Qg3 35.Kf1 Rc2 36.h5 Qf2 0-1. Jimito100 (1990) - perezsaurio (2225), Hourly Bullet Arena, lichess.org, 2020.

6.Nc3 dc4 7.e3 c6 8.Bc4 cb5 9.ab5 Nbd7 10.Nf3 Ne5?? 11.Be2 (better 11.Ne5 Nd7 12.Nd7 Qd7 13.d4+-) 11...Nd3= 12.Bd3 Qd3 13.Qe2 Qc2 14.Rb1 Ne4 15.Nd4?? (15.d4 Qe2 16.Ke2 Nc3 17.Bc3 Bf5=) 15...Nc3 (better 15...Bd4 16.Qd1 Qd1 17.Nd1 Bb6-+) 16.Nc2= Ne2 17.Ke2 Bf5 18.Bg7 Kg7 19.Rbc1 a5 20.Nd4 Bd7 (20...Bg4 21.f3 Bc8 22.f4=) 21.b6 (21.Rc7 Rfd8 22.Rb7 Rab8+=) 21...e5 (better 21...Rfc8 22.Rc7 Rc7 23.bc7 e5=+) 22.Nc2 (better 22.Rc7 Rfd8 23.Nf3 Bb5 24.Ke1=) 22...Bb5-/+ 23.d3 e4 24.Ne1 a4 (24...Ra6 25.Kd2 Bd3 26.Nd3 Rd8-+) 25.Ra1 (better 25.Rc5!? Ba6 26.Kd2 Bd3 27.Nd3=+) 25...a3-+ 26.Kd2 a2 (26...ed3 27.h4-+) 27.d4 (27.de4 Rfd8 28.Kc1 Rac8 29.Nc2 Bc4-/+) 27...Rfc8 28.Nc2 Bd3 (28...Rc6!? 29.f3 Bd3-+) 29.Nb4=+ Ra4 (better 29...Ra3 30.Rhc1 Rc1 31.Kc1 Bc4-/+) 30.Na2?? (better 30.Nd3 ed3 31.Kd3 Ra3 32.Kd2=) 30...Rca8 (30...Rc2 31.Kd1 Rf2 32.g3-+) 31.Nc1 (31.Rhd1-+) 31...Ra1 32.Nd3 (32.Rd1-+) 32...Rh1 33.Nf4 (33.Nc5 Ra2 34.Kc3 Rc1 35.Kb3 Rf2 36.Nb7 Rf6-+) 33...Rh2 34.Kc3 g5 35.Kc4 (35.Nd5 Rc8 36.Kb3 Rg2-+) 35...gf4 36.ef4 Rg2 37.Kd5 Rf2 (better 37...Re8!? 38.Kd6-+) 38.Ke4 Rf4! 39.Kf4 Ra6 40.Ke5 Rb6 41.Kd5 Kg8 42.Kc5 Rc6 43.Kb5 (43.Kd5 Re6 44.Kc5 h5-+) 43...Kf8 (better 43...h5!? 44.d5-+) 44.d5 Rf6 45.Kc5 Ke8 46.d6 Kd7 47.Kd5 Rd6 (47...Rd6 48.Ke4 b5 49.Kf3 b4 50.Kf2 b3 51.Kg3 Rd3 52.Kh2 b2 53.Kg2 b1Q 54.Kf2 Qc2 55.Kf1 Rd1) 0-1. Jimito100 (2035) - musik92 (2545), Hourly Bullet Arena, lichess.org, 2020.

6.Nc3 c6 7.e3=+ e5 8.cd5 cd5 9.Nf3 d4 10.Nb1 Bg4 11.Be2 (11.h3 Bf3 12.gf3 Nbd7=+) 11...d3-/+ 12.Bf1 e4 13.h3 Bh5 (13...ef3 14.hg4 Ng4 15.Bg7 Kg7 16.Qf3+/-) 14.g4? (better 14.Ra3 g5 15.g4 Ng4 16.hg4 Bg4 17.Bd3 ed3 18.Bg7 Kg7 19.Rg1-/+) 14...Ng4-+ (14...ef3?! 15.gh5 Ne4 16.Nc3=) 15.hg4 Bg4 (15...Bb2 16.gh5 Ba1-+ (16...ef3 17.Ra2 Be5 18.Qf3+=)) 16.Bh3?? (better 16.Bg7 Bf3 17.Qf3 ef3 18.Bf8 Kf8 19.Rh7-/+) 16...Bf3 17.Qb3 Bb2 18.Qb2 Nd7 (18...Bh1 19.Qe5-+) 19.Nc3?? (19.Rg1 Nf6 20.Nc3 Qd6-+) 19...Qf6 (better 19...Bh1 20.a5-+) 20.Qb4?? (20.Rg1 Ne5 21.Rb1 Qd6-+) 20...Nb6 (better 20...Bh1 21.Bd7 Bf3-+) 21.Ne4 (21.Rg1 Nd5 22.Qb3 Nc3 23.dc3-+) 21…Qa1 (21...Qa1 22.Qb1 Qb1) 0-1. Jimito100 (1835) - Argonavtik (2515), Hourly Bullet Arena, lichess.org, 2020.

6.Nc3 d4 7.Na2 e5 8.d3 c5 9.Nc1 Bf5 10.Nb3 b6 11.Nf3 e4 12.de4 Ne4 13.h3 Re8 (13...Nd6 14.e3-/+) 14.g4=+ d3?? (better 14...Bc8=+) 15.gf5?? (better 15.Bg7 Kg7 16.gf5+-) 15...de2?? (better 15...Bb2 16.Ra2 Bc3 17.Nbd2 Qf6-+) 16.Qd8= (16.Qe2? Bb2 17.Qb2 Nc3 18.Be2 Re2 19.Qe2 Ne2 20.Ke2 Qe7 21.Kf1 Qe4-+) 16...ef1Q 17.Kf1 Rd8 18.Kg2?? (better 18.Bg7 Kg7 19.Kg2=) 18...Bb2-+ 19.Rab1 Bg7 20.h4 gf5 21.Rhg1 Kh8 (21...Nc3 22.Ra1-+) 22.h5 (22.Rbd1 Nd7-+) 22...Bh6 23.Kf1 Nd7 24.Nh4 f4 (24...Nd6!? 25.Re1-+) 25.Nf5 Bg5 26.f3 Ng3! 27.Kg2 (27.Ng3 fg3 Passed pawn) 27...Nf5 28.Kh3 Nf6 (better 28...h6 29.Rge1-+) 29.Rg5 Nh6 (29...Ne3 30.Kh4-+) 30.Re5 (30.Kh4 Rd3 31.a5 Rf3-+) 30...Rd3 31.Kg2 (31.Kh4 Rg8 32.Rf1 Rb3-+) 31...Re8 (better 31...Rg8 32.Kf1 Rf3 33.Ke2-+) 32.Re8 Ne8 33.Kf2 (33.a5 Nf5-+) 33...Nf6 (33...Nd6 34.Nc1 Ra3 35.Ne2-+) 34.Ke2 Rc3 35.Kd2 (35.Nd2 Nf5 36.h6 Ra3-+) 35...Rf3 36.Ke2 (36.Kc2 Nf5-+) 36...Rh3 (better 36...Re3!? 37.Kd1 Ne4 38.Nd2 Nc3 39.Kc2 Nb1 40.Kb1-+) 37.Nd2 Nh5 38.Nf3 Ng4 39.Ng5 (39.Rg1 Ng3 40.Kd3 f6-+) 39...Ng3 (better 39...Rh2 40.Kd3 Ne5 41.Ke4 Re2 42.Kf5-+) 40.Kf3 Rh4 41.Kf4 (41.Nf7 Kg7 42.Kf4 Ne4-+ (42...Kf7?! 43.Kg3 Rh2 44.Kg4-+)) 41...Ne2 42.Kf5 Nd4 43.Kf4 Nf6 (better 43...Nh6 44.Ke5 Rh5 45.Kf4-+) 44.Ke5 Rh5 (better 44...Ne8 45.Nf7 Kg7-+) 45.Kf6 h6 (better 45...Kg8!? 46.Rf1 Rh6 47.Ke5 f5-+) 46.Nf7-/+ Kh7 47.Re1 Rf5 48.Ke7 Rf4 49.Rh1 Rf7?? (better 49...Nf5 50.Ke6 Ng7 51.Ke7 Re4 52.Kd7 Rc4-+) 50.Kf7+- Nf5 51.Kf6 Ne3 52.Rc1 h5 53.Kg5 h4 54.Kh4 (54.Kf4 Ng2 55.Kf3 h3+-) 54...Kg6 55.Kg3 Kf6 56.Kf3 Nf5 57.Kf4 Nd4 58.Ke4 Nb3 59.Rf1 Ke6 60.Rh1 Nd2 61.Kd3 Nf3 62.Rh6 Ke5 0–1. ventil (1605) – quest11, 2014.

6.Nc3 d4 7.e3 dc3 8.Bc3 c5 9.Nf3 Bf5 10.Be2 Bd3 11.0-0 Ne4 (11...a6 12.Bb2-+) 12.Bd3 Qd3 13.Bg7 Kg7 14.Ne1 (better 14.Qc1-+) 14...Qd2 (14...Qc4?! 15.d3 Qe6 16.de4 Qe4 17.Nf3=+) 15.Qd2 (15.Nf3 Qd1 16.Rfd1-+) 15...Nd2 16.Nf3 (16.Rd1 Nf1 17.Kf1 b6-+) 16...Nf1 (16...Nc4?! 17.Rac1 Nd6 18.Rc5-+) 17.Kf1 Nd7 18.Nd2 Rfd8 19.f4 Nf6 20.Nf3 (20.Ke2 Rd6-+) 20...Ne4 21.Ke2 f6 (21...a6 22.b6-+) 22.a5 Rd6 23.Ra2 (23.Ra3 a6 24.b6 Rad8-+) 23...Rad8 (23...Nc3 24.Kf2 Na2 25.e4-+) 24.g4 (24.Rc2-+) 24...Nc3 25.Kf2 Na2 26.Kg3 Nb4 27.e4 Nd3 (27...Rd3 28.Kg2-+) 28.e5 fe5 29.fe5 Re6 30.h4 Ne5 31.Ng5 Rf6 32.h5 h6 33.Ne4 Rf3 34.Kg2 Rd4 35.Nc5 Rd2 36.Kg1 Ra3 37.Ne4 (37.Nb3 Rb3 38.hg6 Rb1) 37…Ra1 0-1. Jimito100 (1825) - Barbidule (2385), Hourly Bullet Arena, lichess.org, 2020.

6.c5 d4 7.e3 e5 8.Nf3 Bg4 9.h3 (9.ed4? e4 10.Be2 ef3 11.Bf3 Re8 12.Kf1 Bf3 13.Qf3 Ne4-+) 9...Bf3 10.Qf3 e4 11.Qd1 Nd5 (11...d3 12.Bd4-/+) 12.Qb3 (12.ed4 Nf4=+) 12...de3 13.de3 Bb2 14.Qb2 Qe7 15.Nc3 Qc5 (15...Nf6!?=) 16.Ne4+= Qe7 17.Bd3 (17.Qd4 Re8 18.Qd5 c6+=) 17...Qb4 (17...Rd8 18.Rd1 c6 19.0-0=) 18.Qb4+= Nb4 19.Ke2 Nd3 20.Kd3 Rd8 21.Ke2 Nd7 22.Rhc1 (22.Rhd1 Kf8+-) 22...Rac8+= 23.a5 Kg7 24.Ra2 Nf6 (24...Re8 25.Ra4 f5 26.Nc5 Nc5 27.Rc5+=) 25.Nc5 (25.Nf6 Kf6 26.a6 b6+-) 25...b6 26.Nb7 Rd5 27.ab6 ab6 28.Rac2 (better 28.Rd2!?+=) 28...Ne8=+ (worse 28...Rb5 29.Nd6 cd6 30.Rc8+-) 29.Ra1 Rb8 30.Ra7 Rb5 31.Rd2 Kf6 32.Nd8 Ra5 33.Ra5 ba5 34.Rd7 Rb2 35.Kf3 Nd6 36.Rc7 a4 37.Rd7 Rb6 (37...Rd2!? 38.Ra7 Ra2=) 38.Ra7+= Rb4 (38...Nb5 39.Rf7 Ke5 40.Rh7+=) 39.g4 (better 39.Ra6 Rb8 40.Nc6+-) 39...Ke5?? (better 39...Rc4+=) 40.Nc6+- Kd5 41.Nb4 Kc4 42.Nc2 Kb3 43.Nd4 Kb2 (43...Kb4 44.g5+-) 44.Ra6 Nc4 Black intends a3 45.Nb5 (better 45.Ra4 Kc3+-) 45...a3 46.Na3! Na3 47.Ra7 f6 (47...Nc4 48.Kf4 f6 49.Rh7+-) 48.Rh7 Nc4 49.Rf7 (better 49.Ke2+-) 49...Ne5+= 50.Kf4 (50.Ke4 Nf7 51.Kd5+-) 50...Nf7=+ 51.h4 Kc3 52.f3 Kd3 53.h5 gh5 54.gh5 Ke2 (54...Nh6 55.e4+=) 55.e4 (better 55.Kf5 Kf3 56.Kf6+-) 55...Kd3?? (55...Nh6 56.e5 fe5 57.Ke4=) 56.Kg4 (better 56.Kf5 Ne5+-) 56...Ke3?? (better 56...Nh6 57.Kf4 Ke2=) 57.Kf5+- Kf3 (57...Kf3 58.Kf6 Nh6+-). blackiwhite (1645) – chesskillerbg (2065), 2013.

6.cd5 Qd5 7.Nc3 Qd8 8.Nf3 c6 9.g3 Bg4 10.Bg2 Nbd7 11.bc6 bc6 12.Nd4 Ne5 (12...Qb6!? 13.Nc6 Qb2 14.Ne7 Kh8 15.Ba8 Ra8=) 13.Nc6+= Nc6 14.Bc6 Rc8 (14...Rb8 15.Ba3+=) 15.Bb5 Nd5 16.0-0 Nc3 17.Bc3 Qd5 18.Bg7 Kg7 19.f3 Bh3 20.Rf2 Rfd8 21.d3 Qd4 22.Rc1 Rb8 (22...Qe3 23.Rb1=) 23.Rc4+- Qe3 24.Qa1 Kg8 25.Re4 Qg5 26.Qe5?? (better 26.f4 Qc5 27.Rc4+-) 26...Qe5 (26...Qc1 27.Rf1 Qf1) 27.Re5-+ Be6?? (better 27...a6 28.f4 ab5 29.ab5 e6-+) 28.Kg2 Rb6 29.e3 a6 30.Bc4 Bc4 31.dc4 Rb4 32.Re7 Rc4 33.Ra7 (33.a5!?+-) 33...Ra4= 34.e4 Rd3 35.Rc2 Raa3 (better 35...Re3=) 36.Rcc7?? (better 36.f4 Rd8 37.e5+-) 36...Rf3 (36...Ra2!? 37.Kh3 Rf3-/+) 37.e5 Rf5 38.e6 Ra2 39.Kh3 Rh5 40.Kg4 f5?? (better 40...Ra4 41.Kf3 Rf5 42.Ke3 Re5 43.Kd3 Re6 44.Rf7 h6=) 41.Kf3 Ra3 42.Kg2 (better 42.Kf4 Ra4 43.Ke3 f4 44.Kf3+- (44.gf4?! Rh3 45.Kf2 Rf4 46.Kg2 Rhh4+-)) 42...Ra2+- 43.Kf3 Ra3 44.Kf4 Ra4 45.Ke5 (better 45.Ke3 f4 46.Kf3+- (46.gf4?! Rh3 47.Kf2 Rf4 48.Kg2 Rhh4+-)) 45...Re4?? (45...f4!? 46.Kd6 Rd4 47.Ke7 Rh2+-) 46.Kd6 (46.Kf6 Re6 47.Ke6 Rh2 48.Rc8) 46...Rh2?? (better 46...Rd4 47.Ke7 Kg7+-) 47.Rc8 1–0. wk1234 – krawiec6421, 2014.

6.cd5 Qd5 7.Nc3 Qd8 8.h4 c6 9.h5 Nh5 10.Rh5 (better 10.e4!?-/+) 10...gh5-+ 11.a5 (better 11.e3-+) 11...cb5 12.Nb5 (12.Qc2-+) 12...Bb2 13.Rb1 Bg7 14.Qa4 Nc6 15.Qh4 (15.a6 ba6 16.Nc3 Rb8 17.Rb8 Nb8-+) 15...Bf5 (better 15...Qa5 16.Nf3 Bg4-+) 16.Qh5 (16.e4 Bg6 17.a6 ba6 18.Nc3-+) 16...Bb1 17.d3 Qa5 18.Kd1 Qb5! 19.Kd2 (19.Qb5 Bc2 Combination) 19…Qh5 (19...Qh5 20.Nf3 Qa5 21.Kc1 Qc3 22.Kd1 Qc2 23.Ke1 Qc1) 0-1. is_er_nog_hoop (2580) - Sznureks (2715), Titled Arena February '20, lichess.org, 2020.

6.cd5 Qd5 7.e3 Qg5 8.Nf3 Qc5 (8...Qh5 9.d4=) 9.Be2 Nbd7 (9...Qf5 10.d4+=) 10.0-0 Qd6 (10...Qf5 11.Nc3+=) 11.Nc3 (better 11.Ba3 c5 12.bc6 Qc6 13.Be7+/-) 11...Nc5? (11...c5 12.bc6 Qc6 13.Rc1+=) 12.d4 (12.Ba3!? Nfd7 13.d4+-) 12...Nce4 13.Ne4 Ne4 14.Qc2 Nf6 15.Rfe1 (15.Ba3!? Qd8 16.Rfc1+/-) 15...Bf5+= 16.Bd3 Bg4 (16...Bd3 17.Qd3 c5 18.bc6 Qc6 19.Rec1+=) 17.Be2 (17.Ne5!?+/-) 17...Bf5+= 18.Qd1 Rfd8 19.Ne5 Ne4 20.Bf3 (20.f3 Be5 21.de5 Qd1 22.Rad1+=) 20...Qb4 (20...Be5 21.de5 Qb6+/-) 21.Ba3 Qc3 22.Be7 Be5 23.Rc1 Qa5 24.Bd8 Rd8 25.Qb3?? (better 25.Be4!? Be4 26.Qg4+-) 25...Bg7 (25...Bd6 26.Be4 Be4 27.f3=+) 26.h3 (better 26.Qc2!? Re8 27.Qc7+/-) 26...Nd2 (26...Bf8 27.Be4 Be4 28.Red1-/+) 27.Qd1= Nf3 28.Qf3 b6 (better 28...Rb8=+) 29.Rc7?? (better 29.Ra1=) 29...Qe1-+ 30.Kh2 Qa5 31.g4 (31.Qb7 Qa4 32.Rf7 Bd4 33.ed4 Qd4 34.Re7 Qf4 35.g3 Qf2 36.Qg2-+) 31...Be6 32.Qc6 (32.Qe2 Qa4 33.Rc2 Rc8 34.Rc8 Bc8-+) 32...Qa4 (32...Bf8!? 33.e4-+) 33.Re7 Qa2 34.Kg3 Qd5 (34...Bf6 35.Re8 Re8 36.Qe8 Kg7 37.h4 Bh4 38.Kh4 Qf2 39.Kh3 Qe3 40.Kh2 Qf4 41.Kh3 Qg4 42.Kh2 Qh3 43.Kg1 Qe3 44.Kg2 Bd5 45.Kf1 Qe8 46.Kf2 g5 47.Kf1 Bf3 48.Kg1 Qe2 49.d5 Qg2) 35.Qc7 (35.Ra7 Bf6 36.Qd5 Rd5-+) 35...Qd6 (better 35...Bf8 36.Re6 fe6 37.Qc6-+) 36.Qd6 Rd6 37.Ra7 Bc4 38.Ra8 Bf8 39.f4 (39.g5 Kg7-+) 39...Bb5 40.Rc8 Bd3 41.Kf3 b5 42.e4 White prepares the advance f5 (42.g5 b4 43.Rb8 Rd5-+) 42...Bc4 (better 42...Rd4!? 43.Ke3 Rd7 44.h4-+) 43.Ke3 Kg7 (43...Ra6 44.d5-+) 44.e5 (44.g5 Ra6 45.d5 Ba3-+) 44...Ra6 45.Ke4 Bb4 46.f5 (46.d5 Ra4 47.Rc7 Bd2-+) 46...gf5 47.gf5 Ra3 48.h4 Be1 (48...Bd2 49.f6 Kg6 50.h5 Kh5 51.Rc4 bc4 52.e6 fe6 53.Ke5 Re3 54.Kd6-+) 49.h5 (49.f6 Kh6-+) 49...Kh6 (49...Bd2 50.Rd8-+) 50.e6 fe6 51.fe6 Be6 (better 51...Bf2 52.Kf5 Rf3 53.Kg4-+) 52.Rc6 Kh5 53.Re6 b4 54.Re5 Kg6 55.Re6 Kg7 56.Re7 Kf6 (56...Kg8 57.Kf5 Ra5 58.Ke4-+) 57.Re5 (57.Rh7 b3-+) 57...b3 58.Rf5 Kg6 59.Rb5 Bc3 60.Rb6 Kg7 61.Rb7 Kh6 62.Rb6 (62.Rb6 Kg5 63.Rb5 Kg4 64.Kd3-+). brucepeng (2000) - ibrahim_mo (2005), lichess.org, 2021.

6.cd5 Nd5 7.e3?? Bb2-+ 8.Ra2 Bg7 9.Nf3 Bg4 (9...Nb4 10.Ra3-+) 10.Be2 e5 11.0-0 e4 12.Ne1 Be2 13.Qe2 Nd7 14.d4 ed3! 15.Qd3 (15.Nd3 Qh4 Combination; 15.Qd3 Nb4 Double attack (15...Nb4 Decoy)) 15...Nc5 (better 15...Nb4 16.Qc4 Na2 17.Qa2 a6-+) 16.Qc4 b6?? (16...Qd6 17.Rd2 Rad8 18.Nf3-+) 17.Nf3? (better 17.Rd2 Ne3! 18.fe3-/+) 17...Nf6 18.Nc3 Qe7 19.Ne2 Nfe4 20.Nf4 Rad8 (20...a6 21.Nd4-+) 21.h3 Qd6 22.a5 g5 (22...ba5 23.Rc1-+) 23.Ne2 Qd5 24.Qd5 Rd6?? (better 24...Rd5 25.Nfd4 Ne6-+) 25.ab6 (better 25.Qf5+-) 25...Rd5= 26.ba7 (26.bc7 Ne6 27.Ra7 Rb5=) 26...Ra8 27.Nfd4 Bd4 28.Nd4 Rd4 (better 28...Nc3 29.Ra3 N5e4=+) 29.ed4+- Ne6 (better 29...Nb3 30.Re1 f5+-) 30.Re1?? (30.Rb1!? Nc3 31.b6 cb6 32.Rb6 Kg7+-) 30...Nd6?? (better 30...Nc3 31.Ra6 Nd4=) 31.Rb1+- Nd4? (better 31...Kg7 32.Ra4 Nc8+-) 32.b6+- cb6 (32...c5 33.b7 Nb7 34.Rb7+-) 33.Rb6 (33.Rb6 Kg7 34.Rd6+-) 1–0. rom49szachy – giovanni5, 2014.

6.cd5 Nd5 7.Bg7 Kg7 8.Qc2 e6 (8...a6 9.e4 Nf6 10.Nc3=) 9.h4 h5 10.g4 (better 10.Nf3!?=) 10...hg4=+ 11.h5 Rh8 12.Nc3 Qf6 13.Ra3 Nc3 14.Rc3 c6 15.Bg2 Bd7 (better 15...Rh5 16.e3 Rh1 17.Bh1 Qh4-/+) 16.hg6= Rh1 17.Bh1 Qg6 18.Be4 f5 (18...Qf6=) 19.Bd3 (19.bc6 A) 19...fe4?? 20.cb7 (20.cd7?! Nd7 21.Rc7 Rd8+/-) 20...Bc6 21.Rc6 Nc6 22.ba8Q+- (22.Qc6?! Qf6 23.Qc7 Kg6+-); B) 19...Nc6 20.Bg2 e5=+) 19...a6 (19...g3 20.Bc4 gf2 21.Kf2=+) 20.b6 (20.ba6 ba6 21.Qb2+-) 20...Be8 (20...Kf8 21.Bc4=+) 21.Bc4= Nd7 22.Re3 (22.a5 Bf7=) 22...Bf7 (22...Nb6?? 23.Re6 Qg5 24.Qb2 Kh7 25.Qb6+-) 23.Qd3? (better 23.a5!?=+) 23...Nb6 24.Qd4? (better 24.Bb3 Qf6 25.Qb1-+) 24...Qf6 25.Qc5 (25.Qf6 Kf6 26.Bb3-+) 25...Nc4 (25...Qa1) 26.Qc4 (26.Rc3 b5 27.e3-+) 26…Qa1 (26...Qa1 27.Qc1 Qc1) 0-1. is_er_nog_hoop (2580) - Romsta (2530), Rated blitz game, lichess.org, 2020.

6.cd5 Nd5 7.Bg7 Kg7 8.e3 Kg8 9.Nf3 Bg4 10.Be2 e5 (better 10...a6!?=) 11.Ne5+/- Be2 12.Qe2 Qf6 (12...a6 13.d4+/-) 13.d4 a6 14.0-0 ab5 (better 14...Rd8!?+/-) 15.Qb5+- Nb6 (15...Qe6 16.Qb7 Nd7 17.Nc6+-) 16.Nd2 (16.a5 Ra7 17.ab6 Ra1 18.bc7 Qa6+-) 16...Nc6 (better 16...Ra7+-) 17.a5 Ne5 18.de5 (18.Qe5?! Qe5 19.de5 Nd7+/-; 18.ab6?! Ra1 19.Ra1 Ng4+-) 18...Qc6 (18...Qd8 19.Ne4 (19.ab6?! Ra1 20.Ra1 Qd2+-) 19...Nc8 20.Qb7+-) 19.Qc6 bc6 1-0. brucepeng (2020) - Eleshoo7 (2085), lichess.org, 2021.

6.e3 a6 7.cd5 ab5 8.Bb5 c6 (8...Qd5 9.Nf3=) 9.Be2 (better 9.dc6!? bc6 10.Be2+=) 9...cd5 10.Nf3 Nc6 11.0-0 Re8 12.Nc3 e5 13.Nb5 Ne4 14.d3 Nd6 15.Rc1 Bg4 16.Re1 e4 (better 16...Be6=) 17.de4?? (better 17.Bg7 ef3 18.gf3 Bf3 19.Bf3 Kg7 20.Qb3 Nb5 21.ab5 Qg5 22.Bg2+/-) 17...Bb2-/+ 18.Rc2 Bg7 (18...de4?! 19.Nd6 ef3 20.Ne8 fe2 21.Qd8 Rd8 22.Rb2 Re8 23.f3=+) 19.ed5 Ne5 (19...Nb4 20.Nd6 Nc2 21.Ne8 Ne1 22.Ng7 Nf3 23.gf3-+) 20.Nfd4 (20.Nc7 Nf3 21.Bf3 Bf3 22.Qf3 Rc8 23.Ne8 Rc2 24.Nd6 Qd6-+) 20...Be2 21.Qe2 (21.Rce2 Nec4-+) 21...Ra4 22.Nd6 Qd6 23.Rec1 (23.Qb5 Raa8-+) 23...Nd7 (better 23...Qd5!? 24.Rc7-+) 24.Nb5 Qb6 (24...Qd5 25.Nc7 Re3 26.fe3+/-) 25.Rc7 (25.Qd3 Be5-+) 25...Ne5 (25...Nf6 26.d6 Rb4 27.Qa2-+) 26.d6 Rd8 27.Qc2?? (better 27.Rb1-+) 27...Qb5 28.Rc8 Qd7 (better 28...Rc8 29.Qc8 Bf8-+) 29.Rd8-/+ Qd8 30.Rd1?? (better 30.Qa4 Qd6 31.Qa8 Bf8 32.Qb7=+) 30...Ra6 (30...Rc4 31.Qb1-+) 31.Qc7 Qd7 32.Qb8 (32.f4 Rc6 33.Qd7 Nd7-+) 32...Bf8 33.f4 (33.Qc7 Bd6 34.Qc2 Qc7-+) 33...Nc4 (33...Ra2 34.f5 Qc6 35.Qb7 Qb7 36.e4 Qe4 37.Kf1 Qg2 38.Ke1 Qe2) 34.Rc1 (34.h3 Ne3 35.Re1 Ra3-+) 34...Nd6 35.Rd1 (35.Qc7 Qe6 36.Qc3-+) 35...Qc6 (better 35...Qg4 36.Qd6 Bd6 37.Rd2 Bc5 38.Rd3 Ra1 39.Kf2 Ra2 40.Rd2 Rd2 41.Ke1 Qe2) 36.e4 Ra2 (36...Qc2 37.Qa7 Qd1 38.Kf2 Ne4 39.Ke3 Re6 40.g4 Ng5 41.Kf2 Qf3 42.Kg1 Re1) 37.h3 (37.Qc7 Qe4 38.Qf7 Kf7 39.Kf1 Qg2 40.Ke1 Qe2) 37...Qb6 (37...Qe4 38.Qf8 Kf8 39.Rd2 Rd2 40.Kh2 Qg2) 38.Kh1-+ Qf2 39.Rg1 Ne4 40.Qb7 Ng3 41.Kh2 Nf1 (41...Qf4 42.Qf7 Kf7 43.Re1 Nf1 44.Kg1 Qf2 45.Kh1 Qg2) 42.Kh1 (42.Rf1 Qf1 43.Qa8 Qf4 44.Kg1 Ra8 45.g4 Qd2 46.g5 Ra1) 42...Qg3 (42...Qf4 43.Qc7 Qc7 44.Rf1 Qg3 45.Rg1 Bd6 46.Re1 Qe1) 43.Rf1-+ Kg7 (better 43...Bd6!? 44.Qd5 Bf4 45.Qd8 Kg7 46.Qd4 f6 47.Qg1-+) 44.Qf3 Qf3 45.gf3 (45.Rf3 h5-+) 45...Be7 (45...Bd6 46.Kg1-+) 46.Kg1 (46.f5 Bd6 47.fg6 hg6-+) 46...Bf6 (better 46...Bc5 47.Kh1 Kf6-+) 47.Rf2 (47.Rd1 h5-+) 47...Ra1 (better 47...Bd4 48.Kg2 Rf2 49.Kg3 h5-+) 48.Kg2 Rb1 49.Kg3 Rb2 50.Rb2 Bb2 51.Kf2 (51.f5 g5-+ (worse 51...gf5 52.Kf2-+)) 51...Bf6 (51...Kf6 52.Kg3-+) 52.Ke3 (52.f5 g5-+) 52...g5 (52...Kh6 53.Ke4-+) 53.Ke4 (53.fg5 Bg5 54.f4 Be7-+) 53...gf4 54.Kf4 Kg6 55.Kg4 h5 56.Kg3 h4 57.Kf2 (57.Kg4 Be7 58.Kf4 f5-+) 57...Kg5 58.Ke3 Be5 (58...Bd4 59.Kd4 Kf4 60.Kd5-+) 59.Ke2 (59.Ke4 Bc7 60.f4 Bf4-+) 59...Kf4 60.Kf2 1-0. brucepeng (2035) - Pacheco888 (2085), lichess.org, 2020.

6.e3 Re8 7.Nf3 c6 8.Be2 Bf5 9.0-0 a6 10.d4 ab5 11.ab5 Ra1 12.Ba1 Nbd7 13.Nc3 dc4 14.Bc4 Nb6 15.Bd3 Bd3 16.Qd3 e5 17.Qb1 (17.Ne5? Re5 18.bc6 bc6-+) 17...ed4 18.Nd4 Nfd5 (18...c5 19.Nf3=+) 19.Nce2 (better 19.bc6!? Bd4 20.c7 Nc7 21.Rd1+=) 19...c5-/+ 20.Nf3 Ba1 21.Qa1 Qf6 22.Qc1 c4 23.Ned4 Nb4 24.Rd1 Nd3 25.Qc3 Rc8 26.Nd2?? (better 26.h3-/+) 26...Qf2 27.Kh1 Qe3 (27...Ne1 28.Re1 Qe1 29.Nf1 Qf1) 28.Ne4-+ Qe4 29.Rf1 Nd5 30.Qa1 Ne3 31.Rf3 c3 32.Ne2 c2 33.Qf6 c1Q 34.Ng1 Qf3! 35.Qf3 (35.Qf3 Qg1 Mate attack; 35.gf3 Nf2 Mate attack) 35...Qf1 (35...Qg1 36.Kg1 Rc1 37.Qd1 Rd1) 36.Qe3 Nf2 37.Qf2 Qf2 38.h3 (38.h4 Rc2 39.Ne2 Qe2 40.Kg1 Qg2) 38...Rc1 39.Kh2 Rg1 40.h4 (40.b6 Qg2) 40...Rg2 (40...Qg2) 41.Kh3 Rg3 (41...Qf3) 0-1. BeepBeepImAJeep (2715) - AstanehChess (2580), Rated Bullet game, lichess.org, 2016.

6.e3 Re8 7.Nf3 Bg4 8.Be2 dc4 9.Bc4 Nbd7 10.Be2 (10.d4 c5=) 10...e5=+ 11.0-0 e4 12.Nd4 Be2 13.Qe2 Ne5 14.Nc3 (14.f3 Nd3 15.Bc3 Qd5=) 14...Qd7 (14...Nd3 15.Rab1 Nh5 16.Nb3=+) 15.h3 (15.f3 ef3 16.gf3 c5 17.bc6 Nc6 18.Nc6 bc6=+) 15...Rad8 16.Ba3 h5 17.Rfd1 Nh7 (17...Rc8=+) 18.f4?? (better 18.Ne4 Ng4 19.d3 (worse 19.hg4 Re4 20.d3 Rg4=) 19...Bd4 20.ed4+-) 18...ef3 (18...Nd3 19.Nb3-/+) 19.Nf3=+ Nd3 20.Rab1 Qe6 21.Qf1 (21.a5 c5=+) 21...Bc3 22.dc3 Qe3 23.Kh2 Qf4 24.Kg1 Qe3 (24...Qa4 25.Nd4-/+) 25.Kh2 Nf2 (25...Nf6 26.Bc1 Nc1 27.Rd8 Rd8 28.Qc1 Qc1 29.Rc1-/+) 26.Re1 (26.Rd8!? Rd8 27.Qc4=) 26...Qf4-/+ 27.Kg1 Ne4 28.Bc1 Qg3 29.Rb3? (29.Re3 Nhf6-/+) 29...Nc5 (better 29...Nhg5 30.Bg5 Ng5 31.Re8 Re8-+) 30.Ra3?? (better 30.Re8 Re8 31.Ra3=+) 30...Re1-+ 31.Qe1 Qe1 32.Ne1 Rd1 33.Kf2 (33.Bf4 Re1 34.Kh2 c6-+) 33...Rc1 34.c4 (34.Ke2 Ne4-+) 34...Rc4 35.Re3 (35.a5 Rb4-+) 35...Ne4 36.Kf3 Nhf6 (36...Ra4 37.Nc2-+) 37.g4 (37.Ra3 h4-+) 37...hg4 38.hg4 Ng5 (38...Ra4 39.Nd3-+) 39.Ke2 Ng4 40.Re7 Kg7 41.Rd7 (41.Kd3 Ra4 42.Rc7 Ne6-+) 41...Ne6 42.Nd3 (42.a5 Rc5 43.b6 Ne5-+) 42...Re4 43.Kf3 (43.Kd2 Nf6 44.Re7 Ra4-+) 43...Ne5 (better 43...Nf6 44.Nc5 Rf4 45.Kg3 Nc5 46.Kf4 Nfd7 47.a5-+) 44.Ke4 Nd3 (44...Nd7 45.a5-+) 45.Rd3 (45.Ke3 Ndc5 46.Rd1 Na4-+) 45...Nc5 46.Kd4 Nd3 47.Kd3 (47.a5 a6 48.ba6 ba6-+) 47...Kf6 48.Ke4 Ke6 49.a5 (49.Kd4 f5 50.Ke3 Ke5-+) 49...Kd6 50.Kf4 Kc5 51.b6 cb6 52.a6 ba6 53.Ke5 a5 (53...f5!? 54.Kf6-+) 54.Kf6 a4 55.Ke5 a3 56.Kf6 a2 57.Ke7 a1Q 58.Kf8 Qe5 59.Kg8 g5 60.Kh7 (60.Kf7 g4 61.Kg6 g3 62.Kh7 g2 63.Kh6 g1Q 64.Kh7 Qgg7) 60...f5 (60...g4 61.Kg8 g3 62.Kf8 g2 63.Kf7 g1Q 64.Kf8 Qgg7) 61.Kg8 (61.Kh6 g4 62.Kg5 g3 63.Kh4 g2 64.Kh3 g1Q 65.Kh4 Qg4) 61...f4 (61...g4 62.Kf8 g3 63.Kf7 g2 64.Kf8 g1Q 65.Kf7 Qgg7) 62.Kf7 (62.Kh7 g4 63.Kg6 g3 64.Kh7 g2 65.Kh6 g1Q 66.Kh7 Qgg7) 62...g4 63.Kg6 g3 64.Kh7 g2 65.Kg8 (65.Kh6 g1Q 66.Kh7 Qgg7) 65...f3 (65...g1Q 66.Kf7 Qgg7) 66.Kh7 (66.Kf7 g1Q 67.Kf8 Qgg7) 66...f2 (66...g1Q 67.Kh6 Qgg7) 67.Kg8 (67.Kh6 g1Q 68.Kh7 Qgg7) 67...f1Q (67...g1Q 68.Kf7 f1Q) 68.Kh7 g1Q 69.Kh6 Qeh2 0–1. BeepBeepImAJeep (2745) – IMFAR (2615), lichess.org, 2019.

6.e3 dc4

7.Bc4 b6 8.Nf3 Bb7 9.0-0 a6 10.d4 ab5 11.ab5 Ra1 12.Ba1 c6 13.Be2 cb5 14.Bb5 Qd5 15.Nc3 Qh5 16.Be2 Nbd7 17.Ne5 Qf5 18.Bf3 (18.Nd7 Qd7 19.Qb3 Qd6+=) 18...Bf3= 19.Nf3 e5 20.de5 Ne5 21.Ne5 (21.Nd4 Qd7=) 21...Qe5= 22.Qb3 (22.Na4 Qe6=) 22...Qe6 23.Qe6 fe6 24.Rb1 Rb8 25.Nb5 Nd5 26.Bd4 (26.e4 Nf4=) 26...Bd4 27.Nd4 Kf7 28.e4 (28.h3!?=) 28...Nc3=+ 29.Re1 b5 30.Re3 (30.f4 b4 31.Nc6 Rb5-/+) 30...b4-/+ 31.g3? (31.Ne2 h6-/+) 31...Rb6?? (31...b3 32.Nb3 Rb3 33.f4-+) 32.e5? (32.Nc2 Na2 33.Rb3 e5=+) 32...Nd5?? (better 32...b3 33.Nb3 Rb3 34.Rf3 Ke7-+) 33.Rb3=+ Ke7 (33...g5 34.Kg2=+) 34.Rb4?? (better 34.f4=) 34…Rb4 (34...Rb4 35.Nc6 Kd7 36.Nb4 Nb4-+; better 34...Nb4 35.f4 Nd5-+) 0–1. BeepBeepImAJeep (2540) – Kacparov (2675), lichess.org, 2016.

7.Bc4 b6 8.Nf3 Bb7 9.0-0 c5 10.d4 Ne4 11.Nbd2 (11.Qe2 Nd6 12.Nbd2 a6+=) 11...Nd6 (11...Nd2 12.Qd2 Bf3 13.gf3=) 12.Be2 Nd7 13.Rc1 Rc8 14.Ba1 cd4 15.Nd4 Nc5 16.Bf3 Bf3 17.Qf3 Na4 18.Nc6 Qc7 19.Bg7 Kg7 20.Ne4 (20.Qd5 Nc5 21.Nd4=+) 20...Ne4 (better 20...Nb5 21.Rc4 Nc5-+) 21.Qe4= Nc5 22.Qe7 Qe7 23.Ne7 Rce8 (23...Rc7!? 24.Nd5 Rd7=) 24.Nc6+- Ra8 25.Ra1 a5 26.Ra3 (26.ba6 Na6 27.Rab1+=) 26...Rad8 (better 26...a4=) 27.Nd8+- Rd8 28.Rc1 (28.Raa1 Re8+-) 28...Kf6 29.Kf1 Ke5 (29...Rd2 30.Rc5 bc5 31.b6+-) 30.Ra5 (30.Ke2 a4+-) 30...Nd3 31.Raa1 Nc1 32.Rc1 Rd5 33.Rb1 (33.Rc7 f5+=) 33...Kd6 34.Ke2 Kc5 35.e4 Rd4 36.Ke3 Rb4 (36...h6 37.e5=) 37.Rc1+- Rc4 38.Rd1 Kb5 (38...Rc3 39.Kf4 Kb5 40.Rd7+-) 39.Rd7 Kc6 (better 39...Rc3!? 40.Kd4 Rc4 41.Kd3 f5 42.ef5 Rf4 43.fg6 hg6 44.Rd5 Kc6+-) 40.Rf7+- b5 41.Rh7 b4 42.Rg7 b3 43.Rg6 Kc5 44.Rg5 Kc6 45.Rg6 (45.Rg8 Kb7 46.Rg7 Kc6=) 45...Kc5 46.Rg8 b2 47.Rc8 Kb4 48.Rb8 Kc3 49.f4?? (better 49.Rb2! Kb2 50.f4+=) 49...Rb4-+ 50.Rc8 (50.Rb4 Kb4 51.Kf3 b1Q-+) 50...Kb3 51.Rd8 (51.Re8 b1Q 52.f5 Qg1 53.Kf3 Qh2-+) 51...b1Q 52.Rd3 (52.Re8 Ka3 53.f5-+) 52...Kc2 53.Rd2 Kc3 54.Rd3 (54.Rd5 Qe4 55.Kf2 Qf4 56.Ke2 Re4 57.Kd1 Qf1) 54...Kc2 (54...Qd3 55.Kf2 Rb2 56.Ke1 Qe2) 55.Rd2-+ Kc3 (better 55...Kc1 56.Rd3 Qc2-+) 56.Re2?? (56.Rd3 Qd3 57.Kf2 Rb2 58.Ke1 Qe2) 56...Qc1 (56...Qe4 57.Kf2 Qf4 58.Kg1 Rb1 59.Re1 Re1) 57.Kf3-+ Rb2 (57...Kc4 58.Rf2 Qd1 59.Kg3-+) 58.Re3 (58.Rb2 Qb2 59.g3-+) 58...Qe3 (58...Kb4 59.e5 Qc6 60.Re4 Kc3 61.h3 Kd3 62.g3 Qe4 63.Kg4 Qg6 64.Kh4 Rg2 65.f5 Qg3 66.Kh5 Qh3) 59.Ke3 Rg2 60.Kf3 (60.e5 Rh2 61.Ke4 Re2 62.Kd5 Rd2 63.Kc6=) 60...Rh2 61.Ke3 (61.e5 Kd4 62.Kg4 Rh8-+) 61...Rh1 (better 61...Rh3 62.Ke2 Kd4-+) 62.e5 Re1 63.Kf3 Rh1?? (63...Kd4 64.Kg4-+) 64.Kg4?? (64.Ke3 Kc4 65.Ke4-+) 64...Kd4-+ 65.Kf5 Rf1 66.e6 (66.Kg4-+) 66...Kd5 67.Kf6 (67.e7 Re1-+) 67...Re1 (better 67...Rf4 68.Kg5 Re4-+) 68.f5 (68.f5 Kd6 69.Kf7-+). BeepBeepImAJeep (2515) – caveman12345 (2375), lichess.org, 2018.

7.Bc4 b6 8.Nf3 Bb7 9.0-0 Nbd7 10.d4 a6 11.Nbd2 ab5 12.ab5 Opening the a–file gets White a lot of play 12...Ne4 13.Ne4 Be4 14.Be2 (14.Qe2 e6+=) 14...Bb7 (14...Ra1 15.Qa1 c5 16.bc6 Bc6 17.Rc1+-) 15.Qb3 e6 16.Rfc1 Bd5 17.Qc2 Ra1 (17...Rc8 18.e4 Ba8 19.Ra7+-) 18.Ba1 Qa8 19.Qc7 Nf6 (19...Qa3!?+-) 20.Qb6+- Ne4 (20...Qa2 21.Kf1+-) 21.Qa6 Qb8 22.b6 Nd6 23.Bb2 (23.Ne5 Rc8 24.Rc8 Qc8 25.Qc8 Nc8+-) 23...Bb7 (23...Rc8+-) 24.Ba3?? (better 24.Qa5+-) 24...Ba6-+ 25.Ba6 Rd8 (better 25...Qb6 26.Bd3-+) 26.Bc5 Bf8 (26...Qa8 27.Bd6 Qa6 28.Bc7-+) 27.Bf1 (27.Ne5 Qa8 28.Ra1 Qd5-+) 27...Ne4 28.Ne5 (28.Bf8 Kf8 (worse 28...Rf8 29.Rb1-+) 29.Bd3 Qb7 30.Be4 Qe4-+) 28...Nc5 (better 28...Bc5!? 29.Bd3 Bd4 30.ed4 Rd4 31.Be4 Re4 32.Nc4-+) 29.Nc6 Qb6 30.Nd8 Qd8 (30...Ne4!? 31.Bd3 Nd6 32.Nc6-+) 31.dc5 Qd2 32.Rc4 Bc5 (better 32...Qd5-+) 33.Rc5-/+ Kg7 34.Rc4 h5 35.g3 Qe1 36.h4 Qa5 37.Rd4 Qf5 (37...e5 38.Rd7 Qc3 39.Bh3-/+) 38.Rf4 Qe5 39.Bg2 g5 (39...Qa1 40.Bf1-/+) 40.Re4 (40.hg5 Qg5 41.Bf3 Qg6=+) 40...Qf5 (better 40...Qa1!? 41.Bf1 g4-/+) 41.hg5=+ Qg5 42.Rf4 (42.Rh4 Qb5=+) 42...Qc5 (42...Qb5 43.Bf3=+) 43.Bf3=+ Kg6 (43...Qc2 44.Bh5 f5 45.g4=+) 44.Rh4= Attacking the isolated pawn on h5 44...Qc1 45.Kg2 Qd2 46.Rh5 Kf6 47.Rh4 Ke7 48.Rf4 Qc3 49.Bh5 (better 49.Ra4=) 49...Qe5 (better 49...f6!?=) 50.Bf7 Qg5 51.Rf3 (51.e4 Qg7+-) 51...e5 (better 51...Qg4!?+=) 52.e4 Qg4 53.Bd5 Kd6 54.Rf5 Qg6 55.Rf7 (55.f3 Qg7+-) 55...Qg4 56.Rf5 (56.Rf6 Kc5+-) 56...Qg6 57.f3 Qh6 58.g4 (58.f4 ef4 59.gf4 Qh4+-) 58...Qd2 59.Kg3 (59.Kh3 Qh6 60.Kg3 Qe3+-) 59...Qe1 60.Kh3 (better 60.Kh2+-) 60...Qh1= 61.Kg3 Qe1 62.Kg2 (62.Kh2 Qc1+-) 62...Qe2 (62...Qd2 63.Kh3 Qe3+-) 63.Kg1 (63.Kh3 Kc5+-) 63...Qe1 (better 63...Qe3 64.Kh2 Qe1+-) 64.Kg2 (64.Kh2 Qc1+-) 64...Qe2 (64...Qd2 65.Kh3 Qe3+-) 65.Kh1 (65.Kh3 Qe3+-) 65...Qf1 (better 65...Qf2!?+=) 66.Kh2+- Qf2 67.Kh3 Qf1 68.Kh4 Qh1 69.Kg5 Qh2 (69...Qh8 70.Kg6+-) 70.Rf6 Kc5 71.Kf5 Kd4 72.Rc6 (72.Kg6!?+-) 72...Qd2 (72...Qf4!? 73.Kg6 Qf3+-) 73.Rc4+- (73.Rc4 Ke3 74.Ke5 Kf3 75.Be6+-) 1–0. BeepBeepImAJeep (2680) – Blitzmachine2003 (2590), lichess.org, 2020.

7.Bc4 c5 8.Nf3 b6 9.0-0 Bb7 10.d4 cd4 11.Nd4 Nbd7 12.Nd2 Rc8 13.Be2 (13.Qe2 Ne5 14.Bb3 Ned7+=) 13...Ne5 14.N2f3 White gets deadly initiative 14...Nf3 (14...Nfg4 15.Ng5 Qd7 16.h3=) 15.Bf3+= Bf3 16.Qf3 Qd5 17.Nc6 Rfe8 18.Rac1 Qb3?? (better 18...Qf3 19.gf3 Nd5 20.Bg7 Kg7+=) 19.Ne7!!+- Kf8 (19...Re7 Deflection from c8 20.Rc8) 20.Rc8 (better 20.Bf6 Rc1 21.Rc1 Qa4 22.Nd5 Qb5 23.Nc7+-) 20...Ke7 (20...Qb2 21.Qb7 Qa3+-) 21.Bf6 Bf6 22.Re8 (22.Re8 Ke8 23.Qf6+-) 1–0. BeepBeepImAJeep (2575) – sehzade_mustafa (2255), lichess.org, 2016.

7.Bc4 Bd7 8.Nf3 c6 9.0-0 cb5 10.ab5 a6 11.Nc3 ab5? 12.Ra8?? (better 12.Bf7 Rf7 13.Ra8+-) 12...bc4+- 13.Ne5 (13.d3 cd3 14.Qd3 Bc6 15.Qd8 Rd8+-) 13...b5 (13...Qc7 14.f4+=) 14.Nd7 (better 14.Ba3!?+-) 14...Qd7= 15.Ba3 Qb7? (better 15...Nd5!? 16.Nd5 Qd5+=) 16.Ra5+- b4 (16...Nc6 17.Rb5 Qa6+-) 17.Qb1 (17.Rb5 Qa6 18.Bb4 Nc6+-) 17...Nc6 (17...b3 18.d4 Nc6 19.Ra4+=) 18.Rb5+- Qa6 19.Bb4 Ne4? (better 19...Rd8!? 20.Bc5 Nd7+-) 20.Qe4+- (worse 20.Ne4 Qb5 21.Bc3 Rb8 22.Qb5 Rb5=+) 20...Bc3 21.Qc4 (21.Rc5!? Bb4 22.Rc6 Qa3+-) 21...Bb4 22.Rb4 (22.Rc5 Qc4 23.Rc4 Rd8+-) 22...Nb4+- 23.Qb4 Qd3 24.Qe7 Qd2 25.h3 Rd8 26.Qf6 Qd3 27.Qf4 Rd6 (27...Qd6 28.Qh4+-) 28.Ra1 Kg7 29.Qb4 Rf6 (29...Qd2 30.Qb8+-) 30.Qb2 Qf5 (30...h6 31.Rc1+-) 31.Ra6+- White fights for the Initiative 31...h5 32.h4 g5 33.hg5 Qg5 34.Qf6 Qf6 35.Rf6 Kf6 36.Kh1 Kf5 37.Kh2 Kg4 (37...h4 38.Kh3 Kg5 39.f4 Kh5 40.e4+-) 38.f3 Kh4 39.g3 (39.e4 Kg5+-) 39...Kg5 40.Kh3 f5 (40...Kg6+-) 41.f4 (better 41.e4!? fe4 42.fe4 Kf6+-) 41...Kg6 42.Kh4 (better 42.Kg2+-) 42...Kh6= 43.Kh3 Kg6 44.Kg2 Kf6 (44...Kg7 45.Kf3 Kf6 46.e4+-) 45.Kf3 Ke6 46.e4 fe4 (46...Kf6+-) 47.Ke4 Kf6 48.Kf3 (better 48.f5 Kg7 49.Ke5+-) 48...Kf5= 49.Kf2 Kg4?? (49...h4 50.Kf3 hg3 51.Kg3=) 50.Kg2 (50.Ke3 Kf5 51.Kf3 Ke6+-) 50...Kf5?? (better 50...h4=) 51.Kh3+- Kg6 (51...Kf6+-) 52.Kh4 Kh6 53.f5 Kg7 54.Kh5 Kf6 55.Kg4 Kg7 56.Kf4 Kf6 57.Kg4 (57.g4 Kf7+-) 57...Kf7?? (57...Kg7 58.Kg5 Kf7+-) 58.Kg5+- Kg7 59.f6 Kf7 60.Kf5 Kg8 61.Kg6 (61.Ke6 Kh7 62.f7 Kg7 63.Ke7 Kh6 64.f8Q Kg6 65.Qg8 Kf5 66.Qe6 Kg5 67.Kf7 Kh5 68.Qg6) 61...Kf8 62.f7 (better 62.g4 Ke8+-) 62...Ke7 63.Kg7 Ke6 64.f8Q (better 64.g4 Ke5+-) 64...Ke5 65.Qf4 Ke6 66.g4 (66.Qd4 Ke7 67.Qd5 Ke8 68.Kf6 Kf8 69.Qf7) 66...Kd7 67.Kh7 Ke8 (67...Kc6 68.g5 Kb5 69.g6 Kc5 70.g7 Kd5 71.g8Q Kc6 72.Qe6 Kb5 73.Qfc4 Ka5 74.Qea6) 68.g5 (68.Qc7 Kf8 69.g5 Ke8 70.g6 Kf8 71.Qd8) 68...Ke7 (68...Kd7 69.g6 Ke6 70.Qd4 Ke7 71.g7 Ke6 72.g8Q Kf5 73.Qgd5) 69.g6 Ke6 (69...Kd7 70.Qc4 Ke7 71.g7 Kf6 72.g8Q Kf5 73.Qge6 Kg5 74.Qcg4) 70.g7 Kd7 71.g8Q Ke7 (71...Kc6 72.Qe6 Kb5 73.Qfc4 Ka5 74.Qea6) 72.Qgg5 (72.Qgf7 Kd8 73.Q4c7) 72...Kd7 73.Qff6 (73.Qff6 Kc7 74.Qgg7 Kc8 75.Qff8) 1–0. BeepBeepImAJeep (2690) – bigsotos2418 (2500), lichess.org, 2016.

7.Bc4 Nbd7 8.Nf3 a6 9.Nc3 ab5 10.ab5 Ra1 11.Qa1 Nb6 12.Be2 Bf5 13.0-0 Bd3 14.Bd3 Qd3 15.Rd1 Nc4 Attacking the backward pawn on d2 16.Bc1 Ne4 Increases the pressure on the backward pawn 17.Qb1 Qb1 18.Nb1 Rd8 19.d3 Nc5 20.Nd4 (20.d4 e5=+) 20...Nd6 (20...Ne5 21.Ba3 Ned3 22.Nc3-/+) 21.Ba3 (21.Nc3 Ra8=+) 21...Bd4-/+ 22.ed4 Ne6 (22...Nb3 23.b6 cb6 24.d5-/+) 23.d5 Nd4 24.b6 cb6 25.Nc3 N6b5 (25...Nc2!? 26.Bd6 Rd6-/+) 26.Nb5= Nb5 27.Be7 Rd5 28.Kf1 Nc3 (28...Kg7 29.Bb4=+) 29.Rd2 (29.Rc1 Na4 (worse 29...Rd3 30.Bf6+/-) 30.Bf6 Nc5=) 29...b5 (better 29...Rd7 30.Bb4 Nd5=+) 30.Bf6?? (30.Bb4 Na4=+) 30...Na4?? (better 30...Ne4! 31.de4 Rd2-+) 31.Ra2 (31.Rc2 Rc5 32.Rc5 Nc5=) 31...Kf8 (better 31...Rd3!? 32.g4 Rd1 33.Kg2 h6-/+) 32.Ke2 (32.d4 Rd6 33.Be5 Ra6=+) 32...Ke8 33.Rc2 (33.Ke3 Kd7=) 33...Kd7=+ 34.h4 (34.Ke3 b4=+) 34...Rd6 35.Bg5 Rc6 36.Rd2 (36.Kd2 b4=+) 36...b4-/+ 37.Be3 b3 38.Bd4 Kd6 39.Kd1 (39.g4 Kd5 40.Ba1 Re6 41.Kf1 Rb6-+) 39...Kd5-+ 40.Ba1 f5 (40...b5 41.f3-+) 41.Re2 (41.Bg7 b5 42.Ke2 b4-+) 41...Re6 (41...Nc3 42.Bc3 Rc3 43.h5-+) 42.Rd2? (better 42.Re6 Ke6 43.Kc1-/+) 42...b5-+ 43.g3 (43.f3 b4 44.Kc1 f4-+) 43...b4 44.f3 (44.Kc1-+) 44...Nc3 45.Kc1 Re1 46.Kb2 (46.Rd1 Rd1 47.Kb2 Rb1) 46…Rb1 0-1. BeepBeepImAJeep (2610) - Moro182 (2645), Rated Bullet game, lichess.org, 2016.

7.Bc4 Nbd7 8.Nf3 b6 9.Be2 (9.d4 Bb7+=) 9...a5 (9...a6 10.d4=) 10.0-0+= Bb7 11.d4 Ne4 12.Nc3 Nc3 13.Bc3 White terminates the opponent with strong threats 13...e5 (13...Rc8 14.Rc1=) 14.de5+- Qe7 15.Bb2 Ne5 (15...Rfd8 16.Qb3+=) 16.Ba3+- Qf6 (better 16...Nf3!? 17.Bf3 Bf3 18.Be7 Bd1 19.Rad1 Rfe8+-) 17.Bf8+- Nf3?? (better 17...Bf8 18.Ne5 Qe5+-) 18.Bf3 Bf3 (18...Qa1 19.Qa1 (19.Bb7?! Qd1 20.Rd1 Rf8+-) 19...Ba1 20.Bb7 (20.Ra1?! Bf3 21.gf3 Kf8=) 20...Rf8 21.Ra1+-) 19.Bg7 (19.Bg7 Kg7 20.Qf3 Qf3 21.gf3+-; 19.Qf3?! Qf3 20.gf3 Ba1+=) 1–0. BeepBeepImAJeep (2430) – piotr35 (2560), lichess.org, 2019.

7.Bc4 Nbd7 8.Nf3 Nb6 9.Be2 Bg4 10.0-0 Bf3 (10...Nbd5 11.d4=) 11.Bf3+= Nc4 12.Bc3 c6 (12...Nd6 13.Qe2+=) 13.d4 (13.d3 Nd6 14.bc6 bc6 15.Bc6 Rc8+-) 13...cb5 (13...Rc8 14.Bb4+=) 14.ab5 (better 14.Bb7 Rb8 15.Ba6+-) 14...a6?? (14...Qd7 15.Qb3 Nd6 16.b6 ab6 17.Qb6 Ra1 18.Ba1+=) 15.Nd2?? (better 15.Bb7 Ra7 16.ba6+-) 15...Nd2 (15...ab5 16.Ra8 Qa8 17.Qb1+=) 16.Qd2+- ab5 17.Rab1 (17.Ra8 Qa8 18.Ra1+-) 17...Rb8? (better 17...Qd7!?=) 18.Rb5+- b6 19.Rfb1 Nd7 20.h3 (20.Ra1 Qc7+-) 20...Qc7 21.Bb4 Rfe8 22.Rc1 Qa7 23.Bc6 Rec8 (23...Rbc8 24.Rc3+-) 24.Be7+- Ne5 25.de5 (25.Re5 Be5) 25...Qe7 26.Qd6 Qg5 (26...Kf8 27.f4+-) 27.f4 (better 27.e6!? Qf6 28.ef7 Kf7 29.Bd5 Ke8 30.Rc8 Rc8 31.Qf6 (31.Rb6? Rc1 32.Kh2 Qd6 33.Rd6 Be5 34.g3 Bd6-+) 31...Bf6 32.Rb6+-) 27...Qg3+- 28.Rc3?? (28.Qd3 Bh6 29.Qb3 Rb7+-) 28...Bh6 (better 28...Qe1 29.Kh2 Qc3-+) 29.Rbb3?? (better 29.Qd2+-) 29...Rd8-/+ 30.Bd7 White prepares e6 30...Rb7?? (better 30...Ra8 31.Ra3 Ra3 32.Ra3 Bf8-+) 31.e6+- Threatening mate: exf7 31...Bg7?? (better 31...Bf8 32.ef7 Kg7 33.Qe5 Kh6 34.Qg5 Qg5 35.fg5 Kg5+-) 32.Rd3 (better 32.e7 Ra8 33.Ra3 Rab8+-) 32...fe6 (32...Bf6 33.e7 Be7 34.Qe7 Ra8+-) 33.Be6 (33.Be6 Rf7 34.Qd8 Bf8 35.Qf6 Qe1 36.Kh2 Qg3 37.Kg3 Be7 38.Qf7 Kh8 39.Qg8) 1–0. BeepBeepImAJeep (2555) – mcgillchessclub (2390), lichess.org, 2016.

7.Bc4 e6 8.Nf3 c6 9.Nc3 cb5 10.ab5 b6 11.Be2 Bb7 12.0-0 Nbd7 13.Re1 Nc5 14.d4 Nce4 15.Ne4 Ne4 16.Ne5 Rc8 (16...Qh4 17.Rf1+=) 17.Bf3 (17.Ra7 Rc7+/-) 17...Nc3 (17...Rc7!?+=) 18.Bc3+- Bf3 19.Qf3 (19.gf3?! Rc3 20.f4 Be5 21.fe5 Qg5 22.Kh1 f6=) 19...Rc3 20.Nc6 Qd6 (20...Qf6 21.Qf6 Bf6 22.Ra6+- (worse 22.Ra7 Rb3+/-)) 21.Ra7+- Rb3 22.Qe2 Re8 23.Qc4 Ra3 24.Ra3 (24.Rb7!? Rea8+-) 24...Qa3 25.g3 Ra8 26.d5 ed5 27.Qd5 Qb2?? (better 27...Bc3 28.Rd1 Qa2+/-) 28.Ne7+- Kf8 29.Ng6! hg6 (29...fg6 30.Qf3 Double attack (30.Qc6 Decoy; 30.Qa8 Zwischenzug); 29...hg6 30.Qc6 Double attack (30.Qc6 Decoy; 30.Qa8 Zwischenzug)) 30.Qa8 Ke7 31.Qb7 (31.Rd1 Be5 32.Qd8 Ke6+-) 31...Kf8 (31...Kf6 32.Qb6 Kf5 33.Qc7+-) 32.Rd1 (better 32.Qb8 Ke7 33.Qc7 Ke6+-) 32...Kg8 33.Qb6 1-0. brucepeng (2000) - materialista (1995), lichess.org, 2020.

7.Bc4 Be6 8.Be2 Nbd7 9.Nf3= Nd5 (better 9...Bd5=) 10.0-0?? (better 10.Bg7 Kg7 11.0-0+=) 10...Bb2-+ 11.Ra2 (11.Nc3 Ba1 12.Qa1 Nc3 13.dc3 a6 14.ba6 ba6-+) 11...Bg7 (better 11...Ne3 12.de3 Ba2 13.Qc2 Bb1 14.Qb2-+) 12.Ng5 Bf5 13.e4 e5 (13...e6 14.Nh7 Kh7 15.ef5 gf5 16.a5-+) 14.h4 (14.Nh7 Kh7 15.ef5 gf5-+) 14...h6 15.ef5 hg5 16.fg6 gh4 17.gf7 Rf7 18.Bc4 N7f6 19.d4 e4 20.Ra3 Qd6 21.Rh3 Bh6 22.Nd2 (22.Rh4 Bg5 23.Rh3 c6-+) 22...Bg5 (22...e3 23.fe3 Be3 24.Re3 Ne3 25.Bf7 Kg7 26.Nc4 Nd1 27.Nd6 cd6 28.Rd1 Kf7 29.Rc1-+) 23.Qe2 (23.Qc2 Re8 24.Bb3-+) 23...Kg7 (better 23...Nf4 24.Bf7 Kg7-+) 24.Ne4 Ne4 25.Qe4 Re8?? (better 25...c6 26.g3 Qd7-+) 26.Qd5?? (better 26.Qe8 c6 27.Qe5 Qe5 28.de5+-) 26...Qd5+- 27.Bd5 Rd7 28.Bb7 Rd4 29.a5 Re5 30.a6?? (better 30.Bc6+-) 30...Rb5= 31.Kh2 (31.g3 hg3 32.Rg3 Kf6=) 31...Bf4=+ 32.g3 hg3 33.fg3 Bg5 (33...Rb2 34.Kh1 Bd6 35.Rh2=+) 34.Rh5= Rb2 (34...Re5 35.Bc8=) 35.Kh3 Bf6 (35...Be7 36.Rhf5 Re2 37.Rf7 Kg6 38.Bc6=) 36.Rhf5 Rd6 37.R5f3 (37.Rc1 Bd8+=) 37...Rbb6 (37...c5 38.Rf4 Rb4 39.Rf5=) 38.Kg2 Bd4 (38...c5 39.Rf5 Rd2 40.R1f2 Rf2 41.Rf2=) 39.Rf4 (39.Rf7!? Kh6 40.Rc7+-) 39...Be5 40.Rg4 (better 40.Rf7 Kh6 41.Be4 Rd2 42.Kh3+=) 40...Kh7?? (40...Rg6 41.Rg6 Rg6 42.Rf3=) 41.Rh1 (better 41.Rf7 Kh6 42.Be4+-) 41...Rh6= 42.Rh6 (42.Rh6 Kh6 43.Re4=; 42.Be4 Kh8 43.Rh6 Rh6+=) 1–0. BeepBeepImAJeep (2650) – oceanblue (1990), lichess.org, 2015.

7.Bc4 Be6 8.Be6 fe6 9.Nf3 Qd6 (9...a6+=) 10.0-0 (10.Be5 Qb4+=) 10...Nbd7 (better 10...Ng4!? 11.h3 Bb2=+) 11.d4 c5 12.Nbd2 cd4 (12...Qd5 13.Qe2+=) 13.Bd4+- e5 14.Nc4 Qe6 15.Nce5 Ne5 16.Be5 Ne4 (16...Rad8!? 17.Qe2 Rd5+-) 17.Bg7+- Kg7 18.Qd4 Nf6 19.Rac1 Rfd8 20.Ng5 Qf5 21.Qf4 Qf4 (21...Rd7 22.Qf5 gf5 23.Rc5+-) 22.ef4 h6? (better 22...Rdc8+-) 23.Ne6 Kf7 24.Nd8 Rd8 25.Rc7 b6 (25...Rd7 26.Rfc1 Ke6 27.Rd7 Kd7 28.Rd1 Kc7 29.a5+-) 26.Ra7 Rd4 27.a5 ba5 28.b6 (28.Ra5 Rb4+-) 28...Rb4 29.b7 Ne4 (29...Nd7 30.Re1+-) 30.g3 (better 30.Re1 Nd6 31.Re7 Kf6+-) 30...Nc5 31.Ra5 Nb7 32.Ra7 Nd6 33.Re1 Rd4 (33...Nb7 34.Kg2+-) 34.Ree7 (34.Rae7 Kf8+-) 34...Kf6 35.Red7 Nf5 (35...Ke6 36.Rd8+-) 36.Rd4 (better 36.Ra6 Rd6 37.Rad6 Nd6 38.Rd6 Kg7 39.Rg6 Kg6 40.Kg2+-) 36...Nd4 37.Kg2 Ne6 (37...h5 38.Ra6 Kf5 39.h3+-) 38.Ra6 g5 (38...h5+-) 39.Re6 (better 39.fg5!? hg5 40.Kf3 Kf5 41.Re6 Ke6+-) 39...Ke6 40.fg5 hg5 41.Kf3 Kf5 42.h3 Kf6 43.Kg4 Kg6 44.h4 gh4 45.Kh4 Kh6 46.Kg4 Kg6 47.Kf4 Kg7 48.g4 Kf6 49.g5 Kg6 50.Kg4 Kg7 51.Kf5 Kf7 52.g6 Kg7 53.Kg5 Kg8 (53...Kf8 54.f4 Ke8 55.Kf6 Kd8 56.g7 Kc7 57.g8Q Kc6 58.Ke7 Kc5 59.f5 Kb4 60.f6 Ka3 61.Qg3 Kb4 62.Qd6 Kb3 63.Qd4 Kc2 64.f7 Kb3 65.f8Q Kc2 66.Qff2 Kb3 67.Qfb2) 54.Kf6 Kf8 55.g7 Kg8 (55...Ke8 56.Ke6 Kd8 57.Kd6 Kc8 58.g8Q Kb7 59.Qb3 Kc8 60.f4 Kd8 61.Qg8) 56.f3 (56.f4 Kh7 57.Kf7 Kh6 58.g8Q Kh5 59.Qg5) 56...Kh7 57.Kf7 Kh6 58.g8Q Kh5 59.Qg4 Kh6 60.Qg6 1–0. BeepBeepImAJeep (2680) – noobchess122 (1980), lichess.org, 2017.

7.Bc4 Be6 8.Nf3?? Bc4-+ 9.d4 Bd5 (9...c6 10.Nc3-+) 10.Nbd2 Nbd7 (10...Qd6 11.0-0-+) 11.0-0 Bf3 (11...c5!? 12.Qe2-+) 12.Qf3 Nb6 (better 12...c6!? 13.bc6 bc6 14.Qc6-+) 13.Qb7 Qd5 (13...a6 14.Qc6-+) 14.Qa6 (14.Qc7 e6-/+) 14...Nc4 (14...Rfc8 15.a5-+) 15.Nc4-/+ Qc4 16.Rac1 Qd5 (better 16...Qb4!? 17.Ba1 Nd5-+) 17.Rc7=+ Qb3 18.Ba1 Nd5 19.Ra7 The passed pawn on b5 quickly leads to threats 19...Ra7 20.Qa7 Ne3 (better 20...e6!?=+) 21.fe3+= Qe3 22.Kh1 Bf6 (22...e5!?+=) 23.Qc5 h5 (23...Ra8 24.b6 Qd3 25.Rc1+-) 24.Qc1 (24.Qc4 Qe4+-) 24...Qe2 (24...Qb3!? 25.Qd1 Qc4+-) 25.d5+- h4 (25...Ba1 26.Qa1 Ra8 27.b6+-) 26.Bf6 (26.Qd1 Qe4 27.Re1 Qb4+-) 26...ef6 (26...h3 27.gh3 Qe4 28.Kg1 ef6 29.Qf4 Qd5 30.Qf6+-) 27.Rf6 (27.Qf4!? h3 28.gh3 f5+-) 27...h3 Threatening mate... how? 28.gh3 Qe4 29.Kg1 Qd5 30.Rf2 Qe6 (30...Ra8 31.Rf4+-) 31.Qf4 Rc8 32.Kg2 (better 32.b6 Qb6 33.Qf7 Kh8 34.h4+-) 32...Rc1?? (better 32...Qd5 33.Qf3 Qg5 34.Kh1 Rc1 35.Rf1 Rf1 36.Qf1 Qd5 37.Kg1 Qg5 38.Kf2 Qf4 39.Kg2 Qa4+-) 33.Qc1+- Qd5 (33...Qe4 34.Kg3 Qe5 35.Qf4 Qc3 36.Kg2+-) 34.Kg1 f5 (34...Kf8 35.b6 Kg8 36.Qf4+-) 35.Qc8 (35.Rd2 Qe4 36.Rd8 Kf7 37.Qc7 Kf6 38.Rf8 Kg5 39.Qc1 Qf4 40.Qf4 Kf4 41.b6 Kg5 42.b7 Kf4 43.b8Q Ke3 44.Qd6 Kf3 45.Re8 g5 46.Qg3) 35...Kg7 (35...Kh7 36.Qc7 Kh6 37.Qf4 Kh7 38.b6 Qd1 39.Rf1+-) 36.Qc6 (better 36.Qc3!? Kh7 37.Rd2 Qe6+-) 36...Qd1 37.Kg2 Qh5 (37...Qa4 38.Qb7 Kh6 39.Rf5 Qc2 40.Rf2 Qc5+-) 38.b6 Qg5 39.Kh1 Qe3 40.Qc7 (better 40.Rg2 g5+-) 40...Kh6 (40...Kf6 41.Qd6 Kg7 42.Qd7 Kf6+-) 41.Qf4 Qf4 42.Rf4 (42.Rf4 Kg5 43.Rb4 Kf6 44.b7 Ke5 45.b8Q Kf6 46.Qd6 Kg5 47.Qe7 Kh5 48.Qh4) 1–0. BeepBeepImAJeep (2650) – sanford30 (2200), lichess.org, 2017.

7.Bc4 Be6 8.Nf3?? Bc4 9.Ne5 Bd3 (9...Bd5 10.0-0-+) 10.Qb3 Bb1 (10...Bf5 11.0-0-+) 11.Rb1 Qd5 (11...a6 12.ba6 Na6 13.d4-+) 12.Qd5 Nd5 13.0-0 (13.Nd3 Rd8-+) 13...Be5 14.Be5 Nd7 15.Bg3 e5 16.Rbc1 Rac8 17.d4 (17.e4 N5f6 18.f3 Nh5-+) 17...ed4 18.Rfd1 (18.ed4 N7b6 19.Rc5 Rfd8-+) 18...c6 (better 18...Nc3!? 19.Rd2 c5 20.Kf1-+) 19.Rd4 N7f6 20.h3 (20.Rdc4 Ne7-+) 20...Rfd8 (20...cb5!? 21.Rc8 Rc8 22.ab5-+) 21.Rcd1 (21.a5 a6 22.e4 Ne7 23.Rd8 Rd8-+) 21...Rd7 (21...Re8 22.bc6 bc6 23.Kh2-+) 22.a5 (22.e4 Nb6 23.Rd7 Nbd7 (worse 23...Nfd7 24.a5-+) 24.bc6 bc6-+ (24...Rc6?! 25.e5-/+)) 22...Rcd8 (22...Re8 23.a6 c5 24.Rd5 Nd5 25.ab7-+) 23.R1d2 (23.a6 cb5 24.ab7 Rb7-+) 23...Ne7 (23...cb5 24.Be5 Ne8 25.f3-+) 24.a6 (24.Be5 Rd4 25.Rd4 Rd4 26.Bd4 Nd7 27.Ba7 cb5-+) 24...ba6 25.ba6 Rd4 (25...c5 26.Rd7 Rd7 27.Rd6-+) 26.ed4 Ned5 (26...Ne4 27.Rb2 Ng3 28.fg3 Rd4 29.Rb7-+) 27.Be5 (27.Rb2 Nc3 28.Bh4 Rd6-+) 27...Kf8 (27...Nd7!? 28.Rb2-+) 28.Rc2 (28.Rb2 Ne8 29.Rb7 Nc3 30.Ra7 f6-+) 28...Rc8 29.Rb2 Ke7 30.Rb7 Ke6 31.Ra7 Ne4 32.Rb7 Nd6 (better 32...Ra8!? 33.a7 Nec3-+) 33.Bd6 Kd6 34.a7 Ra8 35.Rf7 Ne7 36.Rh7 Ra7 37.Kh2 Nf5?? (better 37...Ra2 38.Kg1 Nf5-+) 38.Ra7+- (38.Ra7 Ke6 39.Ra4+-) 1–0. BeepBeepImAJeep (2640) – GomeZeta (1820), lichess.org, 2015.

7.Bc4 Re8 8.Nf3 e5 (8...Bf5 9.0-0=) 9.0-0 (better 9.Ne5!? Be6 10.Be6 Re6 11.Qf3+-) 9...e4= 10.Nd4 Be6 (10...c5!? 11.bc6 Nc6=) 11.Ne6+- fe6 12.Qb3 Nd5 (12...Qd7 13.f4+-) 13.Nc3 c6 (13...Bc3 14.dc3 Qg5 15.Rfd1+-) 14.f3 (better 14.Ne4!? Bb2 15.Qb2+-) 14...ef3+- 15.Rf3 Nc3? (15...Nd7 16.d4+-) 16.Bc3 (16.Be6!? Kh8 17.Bc3 Qd6+-) 16...Qd6 (16...Qd7 17.Bg7 Kg7 18.Raf1 cb5 19.ab5+- (19.Bb5?! Nc6+-; worse 19.Qb5 Qb5 20.Rf7 Kh6 21.ab5 a6+-)) 17.Raf1 Bc3 18.Qc3 Nd7 19.Rf7 Threatening mate: Qg7 19...Ne5 20.Rb7 Re7?? (better 20...Rac8 21.Rf4 cb5 22.ab5 h6+-) 21.Re7 Qe7 (21...Nf3 22.Rf3 Qe7+-) 22.d4 (better 22.Qe5 Re8 23.bc6+-) 22...Ng4? (better 22...Nc4 23.Qc4 cb5 24.ab5 Rb8+-) 23.Be2 (23.Qb3 Re8 24.bc6 Kh8+-) 23...Nh6 24.Qc6 Rf8 (24...Re8 25.Qc5+-) 25.Rf8 Kf8 26.Bc4 Kf7 (26...e5 27.Qf3 Kg7 28.de5 Qe5 29.Qb7 Kf6 30.Qa7+-) 27.d5 ed5 28.Bd5 Kg7 (28...Kf8 29.Qc8 Qe8 30.Qc3+-) 29.Qe6 (29.Qc3 Qf6 30.Qc7 Kf8 31.Qb8 Ke7 32.Qa7 Kd8 33.Qb8 Kd7+-) 29...Qe6 30.Be6 Kf6 31.Bc8 (better 31.a5 Ke6 32.b6 ab6 33.a6+-) 31...Nf7 (31...Ke7 32.a5 Kd8 33.Be6+-) 32.a5 Nd6 (32...Ne5 33.b6 ab6 34.ab6+-) 33.Bd7 (better 33.b6 ab6 34.ab6 g5+-) 33...Ke7 (33...Nb7 34.b6 a6 35.Bc8 Na5 36.Ba6+-) 34.Bc6 (better 34.b6 a6 35.Bc8+-) 34...Kd8 35.Kf2 Kc7 36.Kf3 (36.e4 Nc4 37.a6 h6+-) 36...Nc4 (36...a6 37.e4+-) 37.a6 Ne5 (37...Kd6 38.Ke4+-) 38.Kf4 Nc6 (38...Nc4+-) 39.bc6 Kc6 40.Kg5 Kb6 (40...Kc7 41.Kh6 g5 42.Kh7+-) 41.Kf6 Ka6 42.e4 Kb6 43.e5 a5 44.e6 a4 45.e7 a3 46.e8Q a2 (46...Ka5 47.Kg7+-) 47.Qa4 Kc5 48.Qa2 Kd4 49.Kg7 (49.Qa7 Kc3+-) 49...Ke4 50.Kh7 Kf5 51.Qc2 Kg4 52.Qg6 (52.Qe4 Kg5 53.Qe5 Kg4 54.Kg6 Kh4 55.Qd4) 52…Kf4 ½–½. RichardSommer (2080) – kutokuari (1950), lichess.org, 2020.

7.Nf3 a6 8.Nc3 ab5 9.ab5 Ra1 10.Ba1 Nbd7 (10...Be6 11.Ne5=+) 11.Bc4= Nb6 12.Be2 Bf5 13.d4 Ne4 14.0-0 Nc3 15.Bc3 Nd5 (15...Qd7 16.Qb3=) 16.Bb2 e6 17.Qb3 Qe7? (17...Qf6 18.Nd2+=) 18.Bc4 (better 18.Ba3 Qd8 19.Bf8 Bf8 20.Bd3 Bd3 21.Qd3+-) 18...Rd8+= 19.Rc1 Nb6 20.Ba3 Qf6 21.Be2 g5? (better 21...Nd5!?+=) 22.Ne5 (22.Rc7 Rd7 23.Rc1 Qd8+-) 22...Qh6 (22...Nd5!?+/-) 23.Rc7+- Be5 24.de5 Nd5 (24...Be4+-) 25.Rb7 Be4 26.Bf1?? (26.Ra7 Qg6 27.b6+-) 26...Ne3+/- 27.Qe3 Bb7 28.b6 (28.Be7 Rd7 29.Qg5 Qg5 30.Bg5 Be4+/-) 28...Qg6 29.Be7 (better 29.Qc5!? Re8 30.Qc7+=) 29...Rd1=+ 30.Qe2 (30.Bg5?? Qc2 31.h3 Rf1 32.Kh2 Rf2-+) 30...Qb1 31.Bg5 h6 (31...Re1 32.Qc4 Qe4 33.Qe4 Be4 34.f3-+) 32.Bh6 (32.Bf6 Re1 33.Qg4 Qg6 34.h3-+) 32...Kh7?? (32...Re1 33.Qg4 Qg6 34.Qg6 fg6 35.f3-/+) 33.Bf8?? (33.Bd2 Be4 34.b7 Bb7=) 33...Bd5?? (33...Re1 34.Qh5 Kg8 35.Qg5 Qg6 36.Qg6 fg6 37.Bc5-/+) 34.Be7 (better 34.Bc5+/-) 34...Be4?? (better 34...Re1 35.Qh5 Kg8 36.Qg5 Qg6=+) 35.Bf6+- Bd3?? (35...Kg8 36.b7! Rf1 37.Qf1 Qf1 38.Kf1 Bb7+-) 36.Qh5 Kg8 37.Qg5 (37.Qh8) 37...Bg6=+ 38.h3 Rf1 39.Kh2 Rh1 40.Kg3 Qd1?? (better 40...Qc1 41.Qc1 Rc1=+) 41.f3 (41.b7 Qb1 42.b8Q Qb8 43.Qh6 Qb3 44.f3 Qf3 45.gf3 Rh3 46.Kh3 Bf5 47.Kh4 Be4 48.Qg7) 41...Qe1-+ 42.Kg4 (42.Kf4 Rg1 43.Qg3 Qd2 44.Kg4 Rg2 45.Qg2 Qg2 46.Kf4 Qh3 47.b7 Qh2 48.Ke3-+) 42...Qf2 (42...Rg1 43.Qg6 fg6 44.Kg5 Rg2 45.Kh6 Qe3 46.f4 Qf4 47.Bg5 Qg5) 43.g3-+ Qg2 44.Kf4 (44.b7 Qh3 45.Kf4 Rb1-+) 44...Qh3 (better 44...Rf1 45.Kg4 Qf3 46.Kh4 Rh1 47.Bh8 Qe4 48.Qf4 Rh3 49.Kg5 Rg3 50.Kf6 Qf4 51.Ke7 Rd3 52.Ke8 Qd4 53.b7 Qd7) 45.g4 (45.b7 Rb1 46.Be7-+) 45...Qh6 (45...Qh2 46.Ke3 Qg1 47.Kf4 Qc1 48.Kg3 Qe1 49.Kf4 Qd2 50.Kg3 Qh2) 46.Ke3 (46.Ke3 Qh2 47.Qh6 Re1 48.Kd4 Rd1 49.Qd2 Qd2 50.Kc4 Rb1 51.Be7 Qd3 52.Kc5 Qd5; 46.Qh6 Rh6 47.b7 Kh7 48.b8Q Bd3 49.Qh8 Kg6 50.Qg7) 1-0. ClayPigeons (2220) - DumpItYouPigs (2105), Rated Bullet game, lichess.org, 2021.

7.Nf3 c6 8.Bc4 cb5 9.ab5 a6 10.Be2 (10.d4 Bf5+=) 10...Bg4 11.0-0 Nbd7 12.Nc3 ab5 13.Ra8 Qa8 14.Bb5 Nc5 (14...b6 15.d4=) 15.d4+= Nce4 16.Ne4 Ne4 17.Be2 Nd6 (17...Qa5 18.Qc2 Qd5 19.Ra1=) 18.Qb3 Rc8 19.Ra1 Qb8 20.h3 (20.Ba3 Be6 21.Qb1 Bf5 22.Bd6 ed6+=) 20...Be6= 21.Qd1 Bd5 22.Ba3 Nc4 (22...Qc7!?=) 23.Be7+- b5 24.Bb4 Bf8 (24...Qb7 25.Bc5+-) 25.Qe1 (25.Bf8 Rf8 26.Rb1 Na3+-) 25...Qb6 26.Rb1 (26.Bf8 Rf8 27.Qb4+-) 26...Ra8 (better 26...Bg7!?+-) 27.Bf8+- Kf8? (27...Rf8 28.e4! Be4 29.Bc4 Bb1 30.Qb1+-) 28.Qb4 (better 28.Bc4 Bc4 29.Qb4 Ke8 30.Qc4 bc4 31.Rb6+-) 28...Nd6 29.Ne5 Be4?? (better 29...Ke7+-) 30.Nd7 Kg7 31.Nb6 (31.Nb6 Ra6 32.Qd6 Bb1 33.Qe5 Kg8 34.Qe8 Kg7 35.Nd7 Ra8 36.Qa8 Kh6 37.Qf8 Kg5 38.f4 Kf5 39.Qf7 Ke4 40.Qe6) 1–0. BeepBeepImAJeep (2700) – Gahan_MG (2610), lichess.org, 2020.

7.Bc4 a6

8.Nf3 Nbd7 9.0-0 Nc5 10.d4 Nce4 11.Nbd2 Nd6 12.Be2 ab5 13.ab5 Ra1 14.Qa1 b6 15.Ne5 Bb7 16.Qa4 Nd5 17.Bf3 Qa8 18.Qa8 Ra8 19.Ra1 Ra1 20.Ba1 e6 21.Be2 Kf8 22.Ndc4 Nc4 23.Bc4 Be5 24.de5 Ke8 25.Bd4 Ne7 26.g3 Bd5 27.Be2 Nc8 28.Kf1 Na7 29.Ke1 Bb3 30.Kd2 Ba4 31.Kc3 Bb5 32.Bf3 Bc6 33.Be2 Kd7 34.Kb4 Bd5 35.Bb2 c5 36.Kc3 Bc6 37.Ba3 Bb5 38.Bf3 Bc6 39.Be2 Nc8 40.f4 Ne7 41.Bc4 b5 42.Bb5 Bb5 43.Bc5 Nd5 44.Kd4 Nc7 45.e4 Bc6 46.Bd6 Nb5 47.Kc5 Nd6 48.ed6 Be4 49.h4 h5 50.Kd4 Bf5 51.Ke5 Bg4 52.Kf6 Bf5 53.Kf7 Kd6 54.Kf6 Kd5 55.Kg5 Ke4 56.Kf6 Kf3 57.Ke5 Kg3 58.Kf6 Kf4 59.Kg7 e5 60.Kh6 e4 61.Kg7 e3 62.Kf6 e2 63.Kg7 (63.Ke7 e1Q 64.Kd6 Qh4 65.Kc5) 63...e1Q 64.Kh6 (64.Kf7 Qe6 65.Kg7 Qe8 66.Kh7 Qf7 67.Kh6 Qf8 68.Kh7 g5) 64...Qe8 (64...g5 65.Kg7 Qe7 66.Kg8 gh4 67.Kh8 Qf8) 65.Kg7 Qe7 66.Kh6 (66.Kg8 Ke5 67.Kh8 Qf8 68.Kh7 g5) 66...g5 67.Kh5 (67.hg5 Qg5) 67…Qh7 0–1. BeepBeepImAJeep (2750) – shrekdavid (2835), lichess.org, 2020.

8.Nc3 ab5 9.ab5 Ra1

10.Qa1 c5 11.Nge2=.

10.Qa1 c6 11.Nf3 cb5 12.Bb5 Nc6 13.0-0 Bg4 14.Be2 e5 15.h3 Bf3 16.Bf3 Re8 (16...Qd3 17.Rd1=) 17.Ne4 (17.Rd1!?+=) 17...Ne4=+ 18.Be4 Qd2 19.Rd1 Qb4 20.Bd5 h6 21.Qa2 Re7? (better 21...Qe7+=) 22.Ba3+- Qa4 (22...Qh4 23.Be7 Qe7 24.Qa8 Bf8 25.Bc6 bc6 26.Qc6+-) 23.Bb3 (better 23.Bf7 Kh7 24.Bg8 Kh8 25.Bb3+-) 23...Nb4?? (better 23...Qh4 24.Be7 Qe7+-) 24.Ba4 Na2 25.Be7 Nc3 26.Rd8 Kh7 27.Bb3 (27.Bb3 e4 28.Bf7+-) 1–0. BeepBeepImAJeep (2775) – Psy_ko (2545), lichess.org, 2020.

10.Qa1 Nbd7 11.Nf3 Nb6 12.Be2 Bf5 13.0-0 Bd3 14.Bd3 Qd3 15.Rd1 Nc4 The backward pawn on d2 becomes a target (15...Ra8 16.Qb1 Qb1 17.Rb1=) 16.Ne1 Qf5 17.d4 Nb2 (17...e5 18.Qa2 Ng4 19.Bc1 ed4 20.ed4=) 18.Qb2+= Ng4 (18...e5 19.Nf3 ed4 20.Nd4=) 19.h3 Nf6 20.Nf3 Rd8 (20...Ra8 21.Ra1 Ra1 22.Qa1+=) 21.Qb1 (21.Ra1 Ne8+=) 21...Qd7 (21...Qb1 22.Rb1 Ra8 23.e4+=) 22.Qa2 Ne4?? (better 22...e6+=) 23.Ne4+- Qb5 24.Nc5 (24.Rc1 Rc8+-) 24...b6 25.Rb1 Qc6 26.Na6 (26.Nd3 e6+-) 26...Ra8 27.Nb4 Qe4 (27...Ra2 28.Nc6 e6 29.Kf1+-) 28.Qc2 (28.Qf7 Kf7 29.Ng5 Ke8 30.Ne4 h6+-) 28...Qf5? (28...Qc2 29.Nc2 e6+-) 29.Qf5 gf5 30.Rc1 (30.Nd5 e6 31.Nc7 Ra7+-) 30...c5 (30...e6 31.Rc7 Ra1 32.Kh2+-) 31.dc5 bc5 32.Rc5 Bf8 (32...e6 33.Kh2+-) 33.Nc6 (33.Rf5!? h6 34.Rb5 e6+-) 33...e6 34.Rc1 Rb8 (34...Kg7+-) 35.Nb8 (35.Nb8 Kg7 36.Rd1+-) 1–0. BeepBeepImAJeep (2665) – kozzika_beast (1745), lichess.org, 2016.

10.Qa1 Nbd7 11.Nf3 Nb6 12.Be2 Bg4 13.0-0 Nfd7 (13...Qd6!?=) 14.d4+= e6 15.Ne4 Nd5 16.Rc1 Re8 17.Nc5 Nc5 18.Rc5 (18.dc5 Bb2 19.Qb2 Qe7+=) 18...b6 (18...Bf8 19.Rc4=) 19.Rc1 Nb4 (19...Qf6 20.h3 Bf5 21.Nd2+=) 20.Ba3 Nd5 21.Qb2 Qd7 22.Qc2 Exerts pressure on the backward pawn (22.Ne5 Be5 23.Bg4 Bg7+-) 22...Rc8 (22...Bf3 23.Bf3 Qb5 24.Bd5 ed5 25.Qc7+=) 23.h3 (better 23.Ne5!? Be5 24.Bg4+=) 23...Bf3=+ 24.Bf3 Ne7 (better 24...Qb5!? 25.Bb2 c5-/+) 25.Qc4 (25.Be7 Qe7 26.Bb7 Rb8+-) 25...Nd5 26.Qc6 (26.e4 Nf4 27.e5 Bh6+-) 26...Qc6+= 27.Rc6 Bf8 (27...Ra8 28.Bc1+=) 28.Bf8+- Kf8 29.Kf1 Nb4 (29...Ra8 30.Rc1+=) 30.Rc4 Nd5 31.Bd5 (31.e4 Ne7+-) 31...ed5+= 32.Rc6 Ke7 33.g4 Kd7 34.g5 Ra8 35.Rf6 Ke7 36.Rc6 Kd7 37.Rc2 Ra5 38.Rb2 Kd6 (38...Ke6 39.h4=) 39.Kg2 Ra8 40.Kg3 Re8 41.Kf3 Re6 (41...f6 42.h4+=) 42.Rc2 Kd7 43.Ra2 f6 44.h4 fg5 (44...Re4 45.Kg3+=) 45.hg5+- Re7 46.Ra1 Rf7 47.Kg3 Ke6 48.Rc1 (48.f3 Kf5 49.Kh4 h6 50.gh6 Rh7+-) 48...Kd7 (48...Kf5 49.f4=) 49.Rc6 (49.f3 Re7 50.Kf4 Rf7 51.Kg4 Re7+-) 49...Re7 (49...Rf5 50.f4+=) 50.Kf3 (50.Rf6 Ke8+-) 50...Rg7 (50...Rf7 51.Ke2+=) 51.Ke2 (51.Rf6!?+-) 51...Rf7+= 52.f4 Re7 53.Kd3 Rf7 54.Kc3 Re7 55.Kd2 Rf7 56.Kd3 Re7 57.Rf6 Kd8 58.f5 Kd7 (better 58...gf5!? 59.Rf5 Rd7+-) 59.fg6+- hg6 60.Rg6 Ke8 (60...Rf7 61.Rg8+-) 61.Rf6 Rg7 62.Rf5 Ke7? (62...Rd7+-) 63.Rd5 Ke6 64.Re5 Kd6 65.Ke4 Kd7 66.Rd5 (66.Kf5 Rf7 67.Kg6 Rf1+-) 66...Kc8 (66...Ke6+-) 67.Re5 (67.Kf5 Rg8+-) 67...Kb7?? (67...Kd7 68.Kf5 Rf7 69.Kg6 Rf1+-) 68.Rf5 (68.Kf5 Rf7 69.Ke6 Rf3+-) 68...Rg8 69.Kf4 Re8 (69...Rg7 70.Rf8 c5 71.dc5 bc5 72.Rf6+-) 70.e4 Rd8 (70...Rg8 71.Rf7 Rh8 72.g6 Rh4 73.Kg3+-) 71.d5 Rb8 72.Rf6 (72.Rf7!? Rg8+-) 72...Ra8 (72...Rg8 73.Rf7+-) 73.Kf5 Ra2 74.g6 Rg2 75.Ke6 Rf2 (75...Kc8+-) 76.Kf7 (76.Rf2 Ka7 77.g7 Kb8 78.g8Q Kb7 79.d6 Ka7 80.Ra2 Kb7 81.Qa8) 76...Re2 77.g7 Re4 78.g8Q Re7 79.Ke7 Ka7 80.Qc8 c6 (80...c5 81.Qd7 Kb8 82.Rf8) 81.Qc7 Ka8 82.Rf8 1–0. BeepBeepImAJeep (2700) – goofypenguin (2555), lichess.org, 2020.

10.Qa1 e6 11.Nf3+= c6 (11...Re8 12.0-0+=) 12.0-0 cb5 13.Nb5 Nc6 (13...Bd7 14.Ba3 Re8 15.d4+-) 14.d4+- Bd7 (14...Re8 15.Ba3 Ne4 16.Qb1+-) 15.Be2 (15.Ba3 Ne7+-) 15...Nb4+= 16.Rc1 Qb6 17.Ba3?? (better 17.Qa4 Nfd5 18.Ne5+=) 17...Bb5-/+ 18.Bb5 (18.Bb4!? Be2 19.Bf8 Bf8 20.Ne5-/+) 18...Qb5-+ 19.Qb1 (better 19.Qb2 Nfd5 20.h3-+) 19...Qe2?? (better 19...Nfd5-+) 20.Qb4 (20.Bb4!? Ra8 21.Bd2=) 20...Ne4 21.Qe1 Qd3?? (better 21...Qe1 22.Ne1 Ra8=) 22.Bf8+- Bf8 23.Ne5 Qa3 24.f3 (24.Rc8 Nd6 25.Rc7 b5+-) 24...Nd6 (24...Bb4 25.Ra1 Qb3 26.Rb1 Be1 27.Rb3 Bf2 28.Kh1+-) 25.Qc3 (25.Ra1 Qb3+-) 25...Qa2 (better 25...Qc3 26.Rc3 h6+-) 26.Qc7?? (better 26.Ra1 Qd5 27.Ra5+-) 26...Nf5?? (better 26...Qd2 27.Ng4 h5 28.Nf6 Kg7+=) 27.Qf7 Kh8 28.Qf8 1–0. BeepBeepImAJeep (2630) – MasterENKI, lichess.org, 2016.

10.Qa1 h6 11.d4=.

10.Ba1 c6 11.bc6 bc6 (11...Nc6 12.Nf3=) 12.Nf3 Ba6 13.Ba6 Na6 14.0-0 Nc5 15.Qc2 (15.d4 Ne6+=) 15...Qa5 (15...Qd3 16.Qc1=) 16.h3 Ne6 17.Bb2 Qc5 (17...Qh5 18.Na4+=) 18.Qb3 (18.Ra1 Rb8+=) 18...Nd5 (18...Qd6 19.Ra1=) 19.Nd5 cd5 20.Bg7 Kg7 21.Qb2 f6 22.Rc1 Qd6 23.Nd4 Nd4 24.Qd4 Rd8 25.d3 Rd7 26.Qc3 (26.Qg4 d4 27.e4 Rc7=) 26...h5 (26...d4!? 27.ed4 Qd4 28.Qd4 Rd4=+) 27.d4+= g5 (27...e5 28.Qd2=) 28.Qd3 (28.Qc8 Rd8 29.Qf5 Rb8+=) 28...Rc7 29.Rb1 Qc6 30.Qf5 (30.Ra1 Qc3 31.Qd1 e5+=) 30...Qc2= 31.Rb8?? (better 31.g4=) 31…Qf5-+ (31...Qf5 32.Kh2 Qf2 33.Rb1 g4 34.hg4 Rc2 35.Kh3 Qg2 36.Kh4 Qg4) 0-1. brucepeng (1945) - rebelking77 (1915), lichess.org, 2020.

8.Nf3 ab5 9.ab5 Ra1

10.Ba1 c5 11.0-0 b6 (11...Bg4 12.d4=) 12.d4+= Nbd7 13.Nbd2 Bb7 14.Be2 (14.Qc2 Qc7+=) 14...cd4 15.Nd4 Nc5 16.Bf3 Bf3 17.N2f3 Nfe4 18.Nc6 Qc7 19.Bg7 Kg7 20.Qd4 Nf6 (20...f6 21.Ra1 e5 22.Qc4=) 21.Rd1 Ra8 22.h3 Ra4 23.Qe5 (23.Qb2 Ra8+=) 23...Qe5= 24.Nfe5 Ra2 (24...Nfe4!?=) 25.Ne7+- Rb2 26.Nc8 Rb5 (26...Nce4 27.Nb6 Rb5 28.Nbc4+-) 27.Nf7+- Rb2 28.Nfd6 b5 29.Nb6 b4 30.Nbc4 Rc2 31.Na5 (31.f3 b3=) 31...Nfe4 (better 31...b3!?-/+) 32.Ne4= Ne4 33.Rd4 Nf2 (33...Nd2!?=) 34.Rb4+= Nd1 (34...h5+=) 35.Rb7 (35.Nc4 Re2 36.Rb3 Kf6+-) 35...Kh6 (35...Kf6 36.e4=) 36.e4 (36.Re7 Kg5+=) 36...Ne3= Black fights for the Initiative 37.g4 Rg2 38.Kh1 Rg3 39.Kh2 Nf1 40.Kh1 Ne3 41.Rb3 (41.Kh2!? Rg2 42.Kh1 Rg3=) 41...Rh3=+ 42.Kg1 Kg5 (42...Rf3 43.Nc6 Kg5 44.Nd4 Rf1 45.Kh2 Ng4 46.Kg2-/+) 43.e5 (43.Nc4! Nc4 44.Rh3 Kg4 45.Rh7=) 43...Kg4 (43...Rf3 44.e6-/+) 44.e6=+ Nf5 45.Rb4 Kg5 46.Rb5? (46.Re4!?-/+) 46...Rg3 (46...Re3!? 47.Rb6-+) 47.Kf2 Rd3?? (better 47...Rc3-+) 48.e7+- Rd2 49.Ke1 Rd5 (49...Rb2 50.e8Q Rb5 51.Qb5 h5+-) 50.Rd5 Kf6 51.e8Q (51.e8Q Kg5 52.Qe5+-) 1–0. BeepBeepImAJeep (2720) – ficorrales (2720), lichess.org, 2020.

10.Ba1 c6 11.0-0 Qb6 12.Nc3 Bf5 (12...Bg4 13.h3 cb5 14.Nb5+=) 13.Be2 (13.d3 Rd8+=) 13...Rd8 (13...Rc8 14.d4=) 14.Qb3 (14.d4 cb5 15.Bb5 Rc8+=) 14...Ne4 (14...Nbd7 15.d4=) 15.Ne4+= Be4 16.Bg7 Kg7 (better 16...Bf3 17.Bf3 Kg7 18.Qc3 f6+=) 17.Nd4 (17.Qc3 Kg8 18.Ng5 Bd5+=) 17...c5 (17...e5 18.Nf3 Bf3 19.Bf3 Qb5 20.Qb5 cb5 21.Rb1=+) 18.Nf3 Bf3 (18...Bd5 19.Qc2=) 19.Bf3 Rd2?? (better 19...Nd7=) 20.Qc3+- Rd4 (20...f6 21.Qd2 Qb5 22.Qd8+-) 1–0. RichardSommer (2130) – CandidateMVL (2095), lichess.org, 2020.

10.Ba1 c6 11.0-0 Bf5 12.Nc3 Ne4 (12...Bd3 13.Bd3 Qd3=) 13.Nd4 (13.Ne4 Be4 14.Bg7 Kg7+=) 13...Nc3 (better 13...Bd4!? 14.ed4 Qd4=+) 14.Bc3= Be4 (14...cb5 15.Bb5 Bd7 16.Qa4+=) 15.f3 (15.d3 Bd5+=) 15...Bd5= 16.Bd5 Qd5 17.Qc2 (17.bc6 Bd4 18.Bd4 Nc6=) 17...cb5 (17...e5 18.Nb3=+) 18.Rb1 Bd4 19.Bd4 Nc6 20.Bb6 (20.Bc5 Ra8 21.d4 b4=) 20...b4 (20...Ra8 21.e4 Qc4 22.Qc3=+) 21.e4 Qd6 (better 21...Qb5 22.Be3 Rd8=+) 22.Qc4? Attacking the isolated pawn on b4 (22.Bc5 Qf6=) 22...Ne5 (better 22...Qd2 23.Ra1 Rc8-+) 23.Qb4+= Qd3 24.Bd4?? (better 24.Rc1+=) 24...Nc6-+ 25.Qc3 (25.Qb6 Nd4 26.Qb7 Ne2 27.Kh1-+) 25...Qb1 26.Kf2 Nd4 27.Qd4 Qc2 (27...Ra8 28.Kg3-+) 28.Qe3 (28.Qd7-+) 28...Qb3 (better 28...Rd8 29.Ke2 Qc4 30.Ke1 Qc1 31.Ke2 Qh1-+) 29.Kg3 (better 29.Qb3 Rb8 30.Qb6+-) 29...Qe3-+ 30.de3 b5 (30...b5 31.h3 b4-+) 0–1. RichardSommer (2055) – Lapsap008 (2000), lichess.org, 2020.

10.Ba1 Bf5 11.Bf6 Bf6 12.d4=.

10.Ba1 Bg4 11.0-0 Ne4 (better 11...Nbd7=) 12.Nc3?? (12.Bg7 Kg7 13.d4 Nd6=) 12...Nc3?? (better 12...Bf3 13.Qf3 Nd2-+) 13.Bc3+= Bc3 14.dc3 Qd1 15.Rd1 Bf3 16.gf3 Kg7 17.Kg2 e6 18.f4 c6 19.Be2 (19.bc6 bc6 20.Rb1 Kh6+=) 19...cb5= 20.Bb5 Nc6 21.Rd7 Rb8 22.Kf3 h5 23.Rc7 Kf6 (23...Na5!?+=) 24.Bc6+- bc6 25.Rc6 The passed pawn on c3 will quickly become a dangerous weapon 25...Rb3 (25...Rb7 26.c4+-) 26.Rc8 (26.Rc7 Rb1+-) 26...Kf5 (26...Rb7 27.e4+-) 27.c4 (27.Rc7 Kf6+-) 27...f6 28.c5 Rc3 29.c6 e5 30.fe5 Ke5 31.c7 Kf5 32.Kg2 (32.h4 Ke6+-) 32...g5 (32...Ke6 33.Re8 Kd7 34.Rf8+-) 33.e4 (better 33.h4 gh4 34.e4 Ke6 35.Re8 Kd7 36.Rf8+-) 33...Kf4?? (better 33...Kg4+-) 34.Rf8 (better 34.e5 Ke5 35.Re8 Kf5 36.c8Q Rc8 37.Rc8+-) 34...Rc7= 35.Rf6 Ke4 36.Rg6 (36.h4 gh4 37.Kh3 Ke5=) 36...Rc5 37.Rg8 h4 38.Re8 Kf4 39.Rf8 Kg4 40.Rd8 (40.h3 Kh5=) 40...Rc2 (40...h3 41.Kf1=+) 41.Rd4 (41.h3 Kf4=) 41...Kh5 42.Kf3 (42.h3 Kg6=) 42...Rc3 43.Kg2 (43.Ke4!?=+) 43...h3-/+ 44.Kf1 g4 (44...Rc1!? 45.Ke2 Rh1-/+) 45.Ke2=+ Kh4 46.Rd5 (46.Rf4 Kg5 47.Rf8 Rb3=+) 46...Rf3 (46...Rc1 47.Rd8=+) 47.Rd2 Rf6 48.Rd4 Re6 49.Kd3 Rf6 (49...Rf6 50.Ke2 Kg5=+; 49...Re1!? 50.Re4 Rd1 51.Ke3 Rf1=+) 0–1. RichardSommer (2030) – AdamChodelka (1890), lichess.org, 2020.

10.Ba1 Nbd7

11.0-0 Nb6 12.Be2 Bd7 13.d4 c6 (13...Bf5 14.Nc3=) 14.Nc3 Nbd5 15.Qb3 Be6 16.Qc2 Qa5 (16...cb5 17.Nb5 Bf5 18.Qb2=) 17.bc6+= bc6 18.Ne5 (18.Rc1+=) 18...h5? (better 18...Nb4!? 19.Qb2 c5=) 19.Nc6+- Qc7 20.Nb5 Qb7 21.Ne5 (21.Bd3 Bf5 22.Bf5 gf5+-) 21...Rc8 22.Qb1 (22.Qb2 h4+-) 22...Bf5 23.Bd3 Bd3 24.Qd3 Rb8 (24...Nd7 25.Nd7 Qd7 26.Rb1+-) 25.Nc3 (25.Rb1 Qa6+-) 25...Nb4 (25...Nc3 26.Qc3 Rc8 27.Qd3+-) 26.Qc4 e6 27.Na4 (27.Rb1 Ne4 28.Qe2 Be5 29.de5 Nc3 30.Bc3 Qe4+-) 27...Nbd5 (27...Ne4 28.Nc5 Qc7 29.Ne4 Be5 30.Qc7 Bc7 31.Nf6 Kg7 32.d5+-) 28.Nc5+- Qa7? (better 28...Qb5+-) 29.Nc6 Qc7 (29...Qb6 30.Nb8 Qb8 31.e4+-) 30.Nb8 (better 30.Na6!? Rb4 31.Qd5 Nd5 32.Nc7 Rb7 33.Nd5 ed5+-) 30...Qb8 31.Nd3 (better 31.e4!? Nf4+-) 31...Ng4 Do you see the mate threat? 32.g3 (32.Ne5 Nde3 33.fe3 Ne3+-) 32...h4 (32...Nge3 33.fe3 Ne3 34.Qc1 Nf1 35.Qf1+-) 33.Ne5 (better 33.Rc1!? hg3 34.Qc8 Qc8 35.Rc8 Bf8 36.hg3 Ngf6+-) 33...Ne5 34.de5 Be5 (34...hg3 35.hg3 Be5 36.Qc5+-) 35.Be5 Qe5 36.Qh4 Kg7 37.Qd4 Qd4 38.ed4 Kf6 39.Re1 Kf5 40.f3 Kf6 41.Re5 g5 (41...Ke7 42.h4+-) 42.Rd5 (42.h4!? gh4 43.gh4 Ne7+-) 42...ed5 43.Kf2 Kf5 44.Ke3 f6 45.h4 gh4 (45...Ke6+-) 46.gh4 Kg6 47.Kf4 Kh5 48.Kf5 Kh4 49.Kf6 Kg3 50.Ke5 Kf3 51.Kd5 Ke3 52.Kc5 Ke4 53.d5 Ke5 54.d6 Ke6 55.Kc6 Kf7 56.d7 Ke6 57.Kc7 Ke5 58.d8Q Ke4 59.Qd6 Ke3 (59...Kf5 60.Qd5 Kf4 61.Kd6 Kg3 62.Ke5 Kf2 63.Kf4 Ke2 64.Qe4 Kd2 65.Qc4 Ke1 66.Qc2 Kf1 67.Kf3 Ke1 68.Qe2) 60.Qc6 (60.Qg3 Kd4 61.Qf2 Kd3 62.Kd6 Kc3 63.Qe3 Kb4 64.Qd3 Ka5 65.Qb3 Ka6 66.Kc6 Ka5 67.Qb5) 60...Ke2 61.Qd7 Ke3 62.Qe8 Kf3 63.Qf8 Ke3 64.Qe7 Kd4 65.Qg7 Kd3 66.Kc6 Ke4 67.Kc5 Ke3 68.Qe7 Kf4 69.Kd4 (69.Kd4 Kf5 70.Qf7 Kg4 71.Qg6 Kf3 72.Qf5 Kg3 73.Ke3 Kg2 74.Qg5 Kh3 75.Kf3 Kh2 76.Qg2) 1–0. BeepBeepImAJeep (2745) – MIThePunisherxx (2585), lichess.org, 2020.

11.0-0 Nb6 12.Be2 Bd7 13.Be5 c6+=.

11.0-0 Nb6 12.Be2 Bd7 13.h3 Qe8 The isolani on b5 becomes a target 14.Nc3 Nfd5 (14...Bf5 15.d3=) 15.Qb3 (15.Nd5 Nd5 16.Bg7 Kg7+-) 15...Nc3 16.Bc3 Bc3 17.dc3 Be6 18.c4 Qd7 19.Nd4 (19.Rd1 Qc8+-) 19...Rd8 (19...Ra8 20.Rb1+=) 20.Ne6 (20.Ra1 Qd6+-) 20...Qe6+= 21.Rc1 Rd2 22.Bf3 Qf6 23.Qc3 (worse 23.Bb7 Qf2 (worse 23...Rf2 24.c5 Rb2 25.Qd3+-) 24.Kh2 e6=+) 23...Qc3 24.Rc3 Na4 25.Ra3 Nc5 26.Ra7 Rc2 27.Bb7 Nb7 28.Rb7 Rc4 29.Kf1 Kg7 30.Ke2 Kf6 (30...Rc2 31.Kf3+=) 31.Kd3 Rc1 32.f4 h5 33.g4 hg4 34.hg4 Ke6 35.Ke4 (35.e4 Rb1+=) 35...Kd6 36.Rb8 Rb1 37.Rf8 (37.Rd8 Ke6 38.f5 gf5 39.gf5 Kf6=) 37...Ke6= 38.f5 (38.Rc8 Kd7 39.Rb8 Kd6=) 38...gf5=+ 39.gf5 Kf6 40.Rc8 (40.Rb8 c6 41.b6 Rb4 42.Kd3 Kf5-/+) 40...Rb4 41.Kf3 Kf5 (better 41...Rb5!? 42.Rc7 Rf5 43.Ke2 Ra5-/+) 42.Rc7= Ke6 43.Rc6 Kd7 44.Rc5 Kd6 45.Rh5 f6 46.e4 (46.Rf5!?=) 46...e5-/+ 47.Rh6 (47.Rh6 Ke6 48.Ke3-/+). RichardSommer (1960) – santiagobmf (1980), lichess.org, 2020.

11.0-0 Nb6 12.Be2 Bf5 13.d4 Qa8 14.Nbd2 Qa2 15.Bc3 (15.Qc1 Rc8=) 15...Ra8 16.Qa1 (16.Qc1 Qe6=) 16...Nfd5 (16...Qc2 17.Ba5=+) 17.Qc1 (17.Bb2 e6=) 17...Qc2=+ 18.Qc2 Bc2 19.Ba1 Na4 (19...Ra2 20.Rc1=+) 20.Rc1+= Nac3?? (20...Nab6!?+=) 21.Bf1?? (21.Bc3 Nc3 22.Rc2 Ne2 23.Kf1 Nd4 24.ed4 Rc8+-) 21...Ra2? (21...Ne4 22.Bb2 Nd2 23.Nd2 Bf5+=) 22.Bc4+- Ba4 (22...c6 23.bc6 bc6 24.Kh1 Ra1 25.Ra1+-) 23.e4 (better 23.Bc3 Nc3 24.Rc3 Ra1 25.Nf1+-) 23...Bb5 24.Bb5 (24.Ba2!? Ne2 25.Kh1 Nc1 26.Bd5 c6+-) 24...Nb5+- 25.ed5 h6 (25...Bh6 26.Rd1+-) 26.Ne4 g5 27.h3 b6 28.Nc3 (28.Bc3 Kf8+-) 28...Nc3? (better 28...Ra1 29.Ra1 Nc3 30.Ra8 Kh7+=) 29.Bc3+- Ra7 (29...Ra4 30.Bd2 Bd4 31.Rc7 Ra1 32.Rc1 Rc1 33.Bc1+-) 30.Ne5 Kf8 (30...e6 31.de6 fe6 32.Nc6+-) 31.Nc6 Ra4 32.Bb4 (32.Re1 Rc4 33.Bb4 Bd4 34.Be7 Kg7+-) 32...Ke8 33.Re1 e6 34.de6 fe6 (34...Bd4 35.Nd4 Rb4+-) 35.Re6 Kd7 (35...Kf7 36.Re7 Kg6 37.d5 Ra1 38.Kh2+-) 36.d5 (36.d5 Kc8 37.Rg6 Ra1 38.Kh2+-) 1–0. BeepBeepImAJeep (2620) – Juraldo (2435), lichess.org, 2016.

11.0-0 Nb6 12.Be2 Bf5 13.d4 (13.Bd4 Nbd5=) 13...Qd7 14.Nbd2 Rd8 15.Nb3 Ne4 16.Nfd2 Nd2 17.Qd2 e5 18.Nc5 Qc8 (18...Qd5!? 19.Qc1 Ra8+=) 19.Bf3+- ed4 (better 19...c6 20.bc6 bc6+-) 20.ed4 (better 20.Nb7 Re8 21.Bd4+-) 20...c6 21.bc6 bc6 22.Rc1 Nd5 23.Nd3 Ne7 24.Nb4 White intends d5. Increasing the pressure on the isolated pawn on c6. White ge 24...Qd7 The pressure on the isolated pawn grows (24...Rd6 25.Qe2 Qd7 26.Qa6 Bd4 27.Nc6 Nc6 28.Rc6 Rc6 29.Bc6=) 25.Nc6+= Nc6 26.Bc6 Qd6 27.d5?? (better 27.Qe1 Bd4 28.Bd4 Qd4 29.Bf3=) 27...Ba1-+ 28.Ra1 Be6?? (better 28...Qc6! 29.dc6 Rd2-+) 29.Qg5 Bf5 (29...Bd5? 30.Rd1 Bc6 31.Qd8 (31.Rd6?! Rd6 32.f3 Rd5+-) 31...Qd8 32.Rd8 Kg7 33.f3+-) 30.h3 Kg7 31.Re1 h6 32.Qe3 Bd7 33.Qe5 (better 33.Qc3 Kg8 34.Rc1+-) 33...Qe5= 34.Re5 Bc6 35.dc6 Rc8 36.Rc5 Kf6 37.g4 Ke6 38.Rc4 Kd6 39.Rf4 Rc7 (worse 39...Rc6 40.Rf7 Kd5 41.f4+-) 40.Rf6 Ke5 41.Rf3 Kd6 (worse 41...Rc6 42.Rf7 Ke4 43.Kg2+-) 42.Re3 (42.Kg2 Kc6 43.Rc3 Kd6 44.Rc7 Kc7=) 42...Kc6 (42...Rc6 43.Kg2=) 43.Kg2 (43.Re8 Kd7 44.Rh8 g5+=) 43...Kd6 44.Rg3 Rc5 45.h4 Rc4 46.f3 (46.Rd3 Ke5 47.Kg3 f5 48.gf5 gf5 49.Re3 Re4=) 46...h5 (46...Ke5!?-/+) 47.Kh3 hg4 48.fg4 Ke5 49.Rf3 Ke6 50.Kg3 f5 51.g5 (51.gf5 gf5 52.h5 Kf6=) 51...Kf7 (51...Rg4 52.Kh3=) 52.Kh3 Kg7 53.h5 Rg4 (53...gh5!? 54.Rf5 Kg6=) 54.h6+= Kh7 55.Rg3 Rg5?? (better 55...Re4+=) 56.Rg5+- Kh6 57.Rg2 (better 57.Kh4 Kg7 58.Rg3+-) 57...f4 (57...g5+-) 58.Kh4 g5 (58...Kg7 59.Kg4+-) 59.Kg4 (59.Rg5 Kh7 60.Kg4 f3 61.Kf3 Kh6 62.Kg4 Kh7 63.Kh5 Kh8 64.Kg6 Kg8 65.Rf5 Kh8 66.Rf8) 59...f3 60.Rf2 Kg6 61.Rf3 Kg7 (61...Kh6 62.Rf6 Kh7 63.Kg5 Kg7 64.Rf5 Kh7 65.Kf6 Kh6 66.Kf7 Kh7 67.Rh5) 62.Rf5 (62.Kg5 Kh7 63.Kf6 Kg8 64.Rh3 Kf8 65.Rh8) 62...Kh6 (62...Kg6 63.Rf1 Kh6 64.Rf6 Kh7 65.Kg5 Kg7 66.Rf5 Kh7 67.Kf6 Kh6 68.Kf7 Kh7 69.Rh5) 63.Rg5 Kh7 64.Kf5 (64.Kh5 Kh8 65.Kg6 Kg8 66.Rf5 Kh8 67.Rf8) 64...Kh8 (64...Kh6 65.Kf6 Kh7 66.Rh5 Kg8 67.Rh4 Kf8 68.Rh8) 65.Kf6 (65.Kg6 Kg8 66.Rf5 Kh8 67.Rf8) 65...Kh7 66.Kf7 Kh6 67.Rf5 Kh7 68.Rh5 1–0. BeepBeepImAJeep (2555) – slipslapmonster (2500), lichess.org, 2016.

7.Bc4 c6

8.d4 Bg4 9.Nf3 Nbd7 10.h3 Bf3 11.Qf3 cb5 12.Bb5 Rb8 13.0-0 a6 14.Bd3 Nb6 15.a5 Nbd5 16.Nc3 (16.Rc1 Rc8+/-) 16...Nb4+= 17.Qe2 Nd3 18.Qd3 Nd5 19.Nd5 Qd5 20.e4 Qh5 21.e5 Rfd8 22.Rfe1 (better 22.Qb3+=) 22...Be5!-/+ 23.Re5? (23.de5 Rd3 Pinning (23...Rd3 Deflection); 23.Re5 Qe5) 23...Qe5!-+ 24.de5 (24.Qg6 hg6 25.de5 b5 26.ab6 Rb6-+) 24...Rd3 25.Rc1 (25.Ba3 Kf8-+) 25...Rd7 (25...Rd5 26.Rc7 Ra5 27.Re7-+) 26.f4 e6 27.Kh2 (27.Ba3 Rd5 28.Bd6 Ra8-+) 27...Kf8 (better 27...Rd5!? 28.Ra1-+) 28.Ba3 Ke8 29.Bd6 Rbd8 30.Rb1 f6! 31.Rc1 (31.ef6 Rd6 Deflection) 31...Kf7 32.Bc7?? (32.g4-+) 32…Rc8 0-1. kasperoff (1735) - EchecsReussite (2130), Hourly SuperBlitz Arena, lichess.org, 2018.

8.Nf3 a6 9.0-0 ab5 10.ab5 Ra7?? (better 10...Ra1 11.Ba1 cb5 12.Bb5 Nc6=) 11.Ra7+- Qb6 12.Ra1 cb5 13.Qb3 Nbd7 (13...Nc6 14.Ng5 e6 15.Bb5+-) 14.Bd4 (better 14.Bf7 Rf7 15.Ra8 Ne4 16.Rc8 Nf8 17.Bg7 Kg7+-) 14...bc4 15.Qb6 (15.Bb6 cb3 16.Bd4 Nb8 17.Bf6 Bf6+/-) 15...Nb6 16.Bb6 Ne4 17.Bd4 1-0. BeepBeepImAJeep (2660) - Blitzstream_twitch (2650), Rated Bullet game, lichess.org, 2015.

8.Nf3 cb5 9.ab5 a6 10.Be2 a5 (10...Nbd7 11.d4+=) 11.0-0+= b6 12.d4 Bb7 13.Nbd2 Nbd7 14.Nc4 Rc8 15.Nfe5 Ne5 16.Ne5 (16.de5 Nd7+=) 16...Nd5 (16...Nd7 17.Bg4 e6 18.Bf3 Bf3 19.Nf3=) 17.Bf3 e6 18.Rc1 Qd6 (18...Rc1 19.Qc1 Qh4=) 19.Nc6 (19.Qa4 Rfd8+=) 19...Nb4 (better 19...Bc6!? 20.bc6 Rc6=) 20.Ba3+- Bc6 21.Bc6 e5 22.d5 e4 23.Rc4 Be5 24.g3 f5 25.Qb3 Kg7 26.Bb4 ab4 27.Qb4 Rfd8 (27...Qf6 28.Rd1+-) 28.Qd6+- Bd6 29.Ra4 Bc5 (29...Rc7 30.f3 Re7 31.Kg2+-) 30.Rfa1 (30.Ra7 Kh6+-) 30...Rd6 (30...Rc7 31.Kf1+-) 31.Ra7+- Kf6 (31...Kh6 32.Rf7+-) 32.Rh7 Ke5 33.Raa7 Rd5 (33...Rdd8 34.h4+-) 34.Bd5 Kd5 35.Rh6 (35.Rag7 Kc4+-) 35...Kc4 (35...Rg8+-) 36.Rg6 Rd8 (36...Rf8 37.Rgg7+-) 37.h4 Rd1 38.Kg2 Rb1 (38...Rd2 39.Rg5 Be3 40.Rf5+-) 39.h5 Rb5 (39...Rb2 40.Rc7 f4 41.gf4 Rd2+-) 40.h6 Ra5 (40...Rb2 41.h7 Be3+-) 41.Ra5 ba5 42.h7 (42.h7 f4 43.gf4+-) 1–0. BeepBeepImAJeep (2575) – Calanthe (2300), lichess.org, 2018.

8.Nf3 cb5 9.ab5 Qb6 10.Be2 (10.Bd4!? Qd6 11.Ra7 Ra7 12.Ba7+=) 10...a6= 11.0-0 Nbd7 12.Nc3 Qc7 13.d4 b6? (13...Rd8 14.Qb3+=) 14.Rc1 (better 14.ba6!? Nb8 15.Nb5+-) 14...Qb8 (14...ab5 15.Bb5 Ba6+=) 15.Ne5 (better 15.Qb3+=) 15...ab5?? (better 15...Ne5 16.de5 Qe5=+) 16.Nc6+- (16.Nb5?! Ne5 17.de5 Nd7+=) 16...Qd6 17.Nb5 (17.Bb5?! Bb7 18.Qf3 Nb8+=) 17...Qe6 18.Nc7 (better 18.Bf3 Kh8 19.Nc7+-) 18...Qa2 (18...Qd6 19.Na8 Bb7 20.Bf3 Ba8 21.Qb3 Bc6 22.Rc6+-) 19.Na8 (better 19.Qc2 Ra7+-) 19...Qb2 (19...Bb7 20.Ne7 Kh8 21.Nb6 Nb6+-) 20.Ne7 Kh8 21.Rc8 (21.Nc8 b5 22.Nab6 Nb6 23.Nb6 Qa3+-) 21...Rc8 (21...Qa3 22.Ng6 fg6+-) 22.Nc8 Ne4 23.Bf3 (23.Qb1 Qb1 24.Rb1 Nc3+-) 23...Nc3 (23...Nd2 24.Qe2 Qc3 25.Nab6 Nf1 26.Qf1 Nb6 27.Nb6+-) 24.Qd3 b5 25.Ncb6 (better 25.Nd6!? Bf8 26.Nb5 Qb5 27.Qc3 Kg7+-) 25...Nf6 26.Nc7 b4 (26...Bf8 27.e4 Bd6 28.Nca8+-) 27.Nc4 (27.Qc4 Kg8 28.Ncd5 h5 29.Ne7 Kh7 30.Qf7 Qa2 31.Qg6 Kh8+-) 27...Qa2 28.Nd2 Nd7 (28...Bf8 29.Nb1 Nfd5 30.Nd5 Nd5 31.Rc1+-) 29.Nb5 (29.Nb1 Qa5 30.Qc4 Na4+-) 29...Na4 (29...Qa6 30.Be2 Ne2 31.Qe2+-) 30.Qc4 (30.Rb1 Bf8+-) 30...Qd2 (30...Qc4 31.Nc4 Ndb6 32.Ncd6+-) 31.Qc8 (better 31.Qf7 Nab6 32.Nc7 Qd3+-) 31...Nf8 32.Nd6 h5 (32...f5 33.Nf7 Kg8 34.Qc4+-) 33.Nf7 Kh7 (33...Kg8 34.Nd6 Nc3 35.Qc4 Kh8 36.Qb3+-) 34.Qa6 (better 34.Ng5!? Kh6 35.Qb8 Qc2+-) 34...Nc3 35.Ne5 (35.Qb7 Qb2+-) 35...b3 36.Nc4 Qc2 (36...Qd3 37.Qc8+-) 37.h3 (37.Na3 Qb2+-) 37...b2 38.Nb2 (better 38.Na3 Qd2 39.Nb1 Nb1 40.Rb1 Qc1 41.Qf1+- (41.Rc1?! bc1Q 42.Qf1 Qd2+=)) 38...Qb2 39.Qa7 Nb5 (39...Ne2 40.Kh2+-) 40.Qb7 Qb3 41.Be4 Nd4 42.ed4 Qc4 (42...Qb7 43.Bb7 Bd4 44.Rd1+-) 43.Qd5 (better 43.Rd1 Qa4 44.Rd3 Qc4+-) 43...Qc7 (43...Qd5 44.Bd5 Bd4+-) 44.Qh5 Kg8 (44...Bh6 45.Rb1+-) 45.Bg6 (45.Bd5 Ne6 46.Be6 Kf8 47.Qf3 Ke8 48.Re1 Bd4 49.Bc4 Be5 50.Qf6 Kd7 51.Rd1 Qd6 52.Be6 Kc6 53.Qf3 Kc5 54.Qa3 Kc6 55.Rc1 Kb6 56.Rb1 Bb2 57.Rb2 Kc7 58.Qa5 Kc6 59.Qb6) 45...Ng6 (45...Bd4 46.Be4 Bf6 47.Rb1+-) 46.Qg6 Qd7 (46...Qf7 47.Qf7 Kf7 48.Rd1+-) 47.Qg3 (better 47.Ra1 Qc8 48.g3 Qb8+-) 47...Kh8 (47...Qd4 48.Rc1+-) 48.Qb3 (48.Rc1 Qe6 49.Rc7 Bf8+-) 48...Qe7 (48...Bd4 49.Rd1 Qe8 50.g4+-) 49.Qb8 (49.Ra1 Qe4 50.Ra7 Qe1 51.Kh2 Be5 52.Qg3 Bg3 53.fg3 Qe3=) 49...Kh7 50.Qg3 (50.Rd1 Qe4 51.d5 Qc2+-) 50...Bh6 (50...Qe4 51.Rd1 Bd4 52.Qd3 Qd3 53.Rd3+-) 51.Qg4 (51.d5 Qd7 52.Ra1 Bf8+-) 51...Qf7 (51...Bd2 52.Rd1+-) 52.Rd1 Qe7 (52...Qd5 53.Ra1 Qb7 54.Qf5 Kg7 55.Qc5+-) 53.Qf5 (53.d5 Qd6+-) 53...Kg7 54.Qf3 (54.d5 Qd6 55.Rb1 Qc7+-) 54...Qd7 (54...Qe6 55.h4+-) 55.Qg3 (55.Rb1 Qe6 56.Qg3 Kf7 57.Qc7 Kg8 58.Rb8 Bf8 59.Qg3 Kf7 60.Qf3 Kg6 61.Qf8 Qc6 62.Qg8 Kh6 63.Qh8 Kg6 64.Rg8 Kf7 65.Qg7 Ke6 66.Qe5 Kd7 67.Rg7 Kc8 68.Qf5 Kd8 69.Qf8 Qe8 70.Qd6 Qd7 71.Qd7) 55...Bg5 (55...Kf7 56.Rb1 Qc6 57.Qb3 Qe6 58.Qe6 Ke6 59.Rb6 Kd5 60.Rh6 Kd4 61.g4+-) 56.Qg4 (56.Qg5 Kf7 57.Qh5 Kf8 58.Rb1+-) 56...Kf6 (56...Qg4 57.hg4 Bf4+-) 57.Qd7 Bh6 (57...Kg6 58.Qe6 Kh7 59.Rb1 Be7 60.Qe7 Kg6 61.Rb6 Kf5 62.Qe5) 58.Qg4 (58.Rb1 Bf4 59.Rb6 Bd6 60.Rd6 Kg5 61.Qg4) 58...Bg5 59.Re1 Bh6 (59...Kf7 60.Qg5 Kf8 61.Qf6 Kg8 62.Re8 Kh7 63.Rh8) 60.Re6 Kf7 61.Qg6 Kf8 62.Re8 1–0. BeepBeepImAJeep (2635) – JessePinkman (2550), lichess.org, 2015.

8.Nf3 cb5 9.ab5 Nbd7 10.0-0 Nb6 11.Be2 Re8 12.d4 Nbd5 13.Nc3 Nc3 14.Bc3 Nd5 15.Bb2 b6 (15...Bf5 16.Nd2 e5 17.de5 Be5 18.Be5 Re5 19.Nf3+=) 16.Ne5+- Bb7 17.Qb3 Be5 18.de5 Qc8 (18...e6 19.Ra4+-) 19.Bf3 (better 19.Rfc1 Qe6 20.Bc4+-) 19...Qe6?? (better 19...Nc7 20.e6 Ne6+-) 20.Rfd1+- Red8 21.Rd4 Rd7 (21...h6 22.Rad1+-) 22.Rad1 (better 22.Bg4!? Qe5 23.Bd7 e6+-) 22...Rad8 (22...Rdd8 23.Bd5 Bd5 24.Rd5 Rd5 25.Qd5 Qd5 26.Rd5+-) 23.Qd3 (23.Bg4 Qe5 24.Bd7 Rd7+-) 23...Nb4? (23...Qe5 24.e4 e6+-) 24.Rd7 Nd3 25.Rd8 Kg7 26.R1d3 (26.R8d3 Bf3 27.gf3 Kh6+-) 26...Bf3 27.gf3 Qh3 (27...Qa2 28.Ba3 Qa1 29.Kg2 Qe5 30.R3d5+-) 28.e4 Qe6 29.Kg2 Qc4 (29...Kh6 30.R3d7+-) 30.Ba3 Qb5 (30...Qc7 31.R3d7 Qe5 32.Be7 g5 33.Bf8 Kg6 34.Rd6 f6+-) 31.R3d5 Qb3 (31...Qc6 32.Be7 f6 33.Bf6 Kh6 34.R5d7 g5 35.Rg7 Qe6 36.Rh8 Qh3 37.Kh3 g4 38.Kg4 a6 39.Rhh7) 32.Be7 a5 33.Bf8 Kg8 34.Bh6 1–0. BeepBeepImAJeep – SKhedira28 (2220), lichess.org, 2017.

8.Nf3 cb5 9.ab5 Bg4 10.0-0 (10.d3 Qd6=) 10...Nbd7 11.Be2 Nc5 (11...Qb6 12.Bd4 Qc7 13.Qc1= (worse 13.Ba7 Bf3 14.Bf3 Ng4 15.Bg4 Ba1 16.Bd7 Ra7-/+)) 12.Nc3 (12.Bf6 Bf6 13.d4 Ne4=) 12...Nd3= 13.Ba3 Re8 (13...Bf3 14.gf3 Re8 15.Qc2=) 14.Nd4 (14.Qc2 Bf5 15.Nd4 Nf4 16.Nf5 Ne2 17.Ne2 gf5 18.Qf5 Qd2+=) 14...Be2 (14...e5 15.Nb3 Bf5 16.Nc5 Nc5 17.Bc5=) 15.Qe2= Ne5 (15...Nf4 16.Qf3 N4d5 17.e4=) 16.f4+= Ned7 17.Qf3 Qc7 18.Rfc1 Qb6 (18...Qb8+=) 19.Ne4 (better 19.Na4!? Qa5 20.Nb2 Qd2 21.Rc2+=) 19...Ne4= 20.Qe4 e5 21.fe5 Ne5 The passed pawn on d2 will quickly become a dangerous weapon (21...Be5 22.Qh4 Rad8=) 22.Qd5 (better 22.Bc5 Qd8 23.Ra7 (worse 23.Qb7 Nd3=+) 23...Ra7 24.Ba7+=) 22...Rad8-/+ 23.Qb3? (better 23.Qc5 Qc5 24.Bc5-/+) 23...Ng4?? (23...Rd4 24.ed4 Qd4 25.Kh1 Nd3-+ (25...Qd2?! 26.Bc5=)) 24.Bc5+= Qf6 25.Nf3 (25.Ra7?? Qf2 26.Kh1 Bd4 27.Bd4 Rd4-+) 25...Qa1 (25...b6 26.Bb4 Qa1 27.Ra1 Ba1 28.h3+-) 26.Ra1+= Ba1 27.Ba7 (27.Qa4 Rc8 28.Qa7 Bg7+-) 27...Ne5 (27...Bg7 28.Bb6 Rd6 29.Bc5+=) 28.Ne5 (28.d4 Nf3 29.gf3 Ra8+-) 28...Be5+= 29.d4 Bf6 (29...Ra8 30.Qd5 Ra7 31.de5 b6=) 30.Bc5 (better 30.Qd3!?+-) 30...Bg5= Exerts pressure on the backward pawn 31.d5 Re5 32.e4 Re4 33.Qd3?? White plans d6 (better 33.Bb6 Rd6 34.Bc5=) 33...Re5-+ 34.d6 (34.Bb4 Rdd5 35.Qc4 Be3 36.Kf1-+) 34...Rc5 35.d7 (35.h4 Bh6-+) 35...Re5 36.Qd6 (36.Kf1 Re7 37.Qd5 Bh4-+) 36...Re7 37.Qc7 (37.Qd5 Be3 38.Kf1 Rdd7-+) 37...Red7 38.Qc5 (38.Qe5 Rd5 39.Qe4 Rb5-+) 38...Rd1 39.Kf2 R1d2 40.Kg3 R2d3 (40...R8d3 41.Qe3 Re3 42.Kg4 Rg2) 41.Kg4 (41.Kf2 Be3 42.Qe3 Re3 43.Ke3 Rd5-+) 41...h6 (better 41...Be3 42.Qc2 h5 43.Kf3 Bh6 44.Kf2 Rd2 45.Qd2 Rd2 46.Kf3-+) 42.Qc7 (42.g3 R8d4 43.Kh3-+) 42…f5 0–1. RichardSommer (2085) – MU_Kudryavtsev (2095), lichess.org, 2020.

6.e3 c5

7.cd5 Qd5 8.Nc3 Qd6 9.Nf3 Bg4 10.Be2 Nbd7 11.0-0 Ne5?? (better 11...Rad8=) 12.Ne5+- Be2 13.Ne2 (13.Qe2?! Qe5 14.Qf3 Rad8=) 13...Rfd8 14.Bc3 Ne4 15.Nf3 Nc3 16.Nc3 Qd3 17.Re1 Bc3 (17...c4 18.e4+-) 18.dc3 (better 18.Ra3!? a6 19.Rc3 Qc3 20.dc3 Rd1 21.Rd1 ab5 22.ab5 Ra3+-) 18...Qc3 19.Qc1 Qc1 20.Rac1 b6 21.Ne5 Rd2 22.Nc6 e6 23.Red1 (23.a5 Rb2 24.Rb1 Rb1 25.Rb1 ba5+-) 23...Ra2 (23...Rb2 24.Rb1 Rb1 25.Rb1+-) 24.Ra1 (24.a5 Rb2 25.Rb1 Rb1 26.Rb1 ba5+-) 24...Rb2 (24...Ra1 25.Ra1 a6 26.Rd1 ab5 27.ab5+-) 25.h3 (25.Rdb1!? Rb1 26.Rb1 h6+-) 25...a6 26.Rdb1 Rd2 (26...Rb1 27.Rb1 ab5 28.ab5+-) 27.g4 (27.a5 ab5 28.ab6 Rf8+-) 27...ab5 (27...c4 28.a5 ab5 29.ab6 Ra1 30.Ra1+-) 28.ab5 (28.Rb5!? c4 29.Rb6 c3+-) 28...Ra1 29.Ra1 Rb2 30.Ra7 (30.Na7 c4+-) 30...Rb5 31.Ne5 Rb1 32.Kg2 f6 (32...f5 33.Re7+-) 33.Nc4 (better 33.Nd7!? h6+-) 33...b5 34.Nd6 c4 35.Rb7 (35.Ne4!? f5 36.Nf6 Kf8 37.Nh7 Ke8+-) 35...c3+/- 36.Rb5?? (better 36.Rc7 b4 37.Ne4+/-) 36...c2 (better 36...Rb5 37.Nb5 c2-+) 37.Rc5 c1Q 38.Rc1 Rc1 39.Ne4 Kf7 40.Kf3 Ra1 41.h4 Rh1 42.h5 (better 42.Kg3-+) 42...gh5 43.gh5 Rh5 44.Nd6 Ke7 45.Ne4 Rf5 46.Ke2 Ra5 47.Ng3 Ra2 48.Kf3 f5 49.Ne2 Kf6 50.Nf4 Ra4 51.Nd3 e5 52.Nc5 Ra5 53.Nd7 Ke7 54.Nb6 Ra2 55.Nc4 Rf2 (better 55...Ke6-+) 56.Kf2= Ke6 57.Nb6 Kd6 58.Nc4 Kc5 (58...Kc5 59.Ne5 Kd5+-). brucepeng (2000) - THENeutron (2005), lichess.org, 2020.

7.cd5 Qd5 8.d4=+.

7.cd5 Nd5 8.Nc3 Nc3 (8...Nb4 9.Rb1=+) 9.Bc3= e5 10.Nf3 Re8 11.Be2 (11.e4 Be6=) 11...e4=+ 12.Bg7? (better 12.Ng1=+) 12...ef3-+ (12...Kg7?! 13.Ng1=+) 13.Bf3 Kg7 14.0-0 Qf6 15.Rc1 Nd7 16.Re1 (16.d4 Rd8-+) 16...a6 17.Qb3 ab5 18.ab5 Qb6 19.d4 (19.Bd5-+) 19...cd4 20.ed4 (20.Qb2 Ne5 21.Be4 Ra4-+) 20...Re1 21.Re1 Nf6 (21...Qd4!? 22.Rd1 Ra1 23.Ra1 Qa1 24.Qd1 Qd1 25.Bd1-+) 22.Rd1 Bd7 23.Rb1 (23.Be2 Be6 24.Qe3 Nd5-+) 23...Ra5 24.Be2 (24.Qc4 Bf5 25.Rd1 Qb5 26.Qb5 Rb5-+) 24...Qd4 25.h3 (25.Qd3 Qe5 26.Bf1 Ra2-+) 25...Ra8 (25...Ne4!? 26.Qb2 Nc3 27.Rc1 Nb5 28.Qb3-+) 26.Rd1 Qb6 (26...Ra1 27.Ra1 Qa1 28.Bf1-+) 27.Qb2 Be6 28.g4 (28.Qe5 Ra2-+) 28...h6 29.h4 (29.Qd4 Qd4 30.Rd4 Ra1 31.Kg2-+) 29...Ra2 30.Qe5 Re2! 31.Qe2 (31.Qe2 Bg4 Decoy) 31...Bg4 32.Qd2 Bd1 33.Qd1 Qb5 34.Qa1 b6 (34...Qb4 35.Qa8-+) 35.Qd4 Qc4 (better 35...Qb1 36.Kg2 b5-+) 36.Qc4+- 1-0. brucepeng (2035) - Cisneros_Sergio (2040), lichess.org, 2020.

7.cd5 Nd5 8.Bg7= Kg7 9.Nf3 Nb4 10.Qb3 Be6 (10...Bf5 11.Na3=) 11.Qb2 (11.Qc3!? f6 12.Qc5+-) 11...Kg8= 12.Nc3 Nd3 (12...Bg4 13.d4 Bf3 14.gf3 cd4 15.Qb4 dc3 16.Qc3=+) 13.Bd3 Qd3 14.Ne2 Nd7 15.Nf4 Qd6 16.0-0 (16.d4 Rac8=) 16...Nf6 (16...Bg4!? 17.Ng5 Nf6=) 17.d4+= cd4 18.Nd4 Bc4 19.Rfd1 Rfd8 20.Qc2 Rac8? (20...Bd5 21.Rac1 Be4 22.Qb3+=) 21.Nf3 (better 21.Nc6! Bd5 22.Nd5 bc6 23.Nb6 Qd1 24.Rd1 Rd1 25.Qd1 ab6 26.g4+-) 21...Bd5 22.Qb2 Qb8 23.Nd5 Nd5 24.Rd4 Nf6 25.Rad1 Rd4 26.Qd4 a6 27.h3 ab5 28.ab5 Qc7 29.b6 Qc5 (29...Qc2!?+=) 30.Qc5+- Rc5 31.Rd8 Kg7 32.Rb8 Rc1 33.Kh2 Rb1 34.Rb7 Nd5 35.Nd4 (35.Rd7 Nb6 36.Re7 Kf6+-) 35...Rb6 (35...Kf6!?=) 36.Rd7+- Rd6 37.Ra7 (better 37.Rd6!? ed6 38.Nb5+-) 37...e5= 38.Nf3 Re6 (38...Kf6 39.Nd2 Rc6 40.Ne4 Kf5 41.Nd2=) 39.Rd7 (better 39.Ra5!? Nb4 40.Ne5+-) 39...Nf6= 40.Ra7 h6 41.Ra5 Ne4 42.Kg1 f6 (42...Kf6 43.Kf1=) 43.Ra7 Kf8 44.g4 (44.Nh4 f5 45.g4=) 44...h5 (44...Re7 45.Re7 Ke7 46.Nh4=) 45.Ra4 (better 45.Nh4!? f5 46.gf5 gf5 47.Ra5+-) 45...hg4 46.hg4 Re7?? (better 46...Nc5 47.Ra5 Rc6=) 47.Re4+- Kf7 48.Kg2 f5 (48...g5+-) 49.gf5 (49.Ne5?! Kg7 50.gf5 gf5+-) 49...gf5 50.Re5 Rd7 51.Rf5 Ke6 52.Rf4 (52.e4 Ke7+-) 52...Kd6 (52...Rg7 53.Kh3+-) 53.Rd4 Ke6 54.Rd7 Kd7 55.Kg3 Ke6 56.Kf4 Ke7 57.e4 Kd6 58.Ke3 (better 58.e5 Ke6 59.Nd4 Kd5 60.Kf5 Kd4 61.e6+-) 58...Kd7 59.Nd4 Ke7 (59...Kd6 60.Nb5 Ke6 61.f4+-) 60.e5 Kd7 61.f4 Ke7 62.Ke4 Ke8 63.f5 (63.f5 Kf7 64.Kd5+-) 1–0. BeepBeepImAJeep (2735) – JoaBN (2710), lichess.org, 2020.

7.Nf3 d4 8.ed4 Ne4 (8...Nh5 9.a5=) 9.d3 (9.Qc2!? Bf5 10.Bd3 cd4 11.g4 Nf2 12.Kf2 Bg4 13.Rf1+-) 9...Nd6 10.Be2 (10.Bc3 cd4 11.Bd4 Bd4 12.Nd4 a6+=) 10...Nf5 11.0-0 Nd4 12.Nd4 cd4 (12...Bd4 13.Bd4 Qd4 14.Nd2=) 13.Nd2 e5 14.a5 Nd7 15.Bf3 Nc5 (better 15...Re8!?+=) 16.Ba3+- Qc7 17.Ne4 (better 17.b6!? Qe7 18.Qb1+-) 17...Ne4+= 18.Be4 (worse 18.de4 Rd8=+; worse 18.Bf8 Nc3 19.Qd2 Bf8-/+) 18...Re8 19.a6 Rb8 20.ab7 (20.Qa4 b6+=) 20...Bb7= 21.Qf3 Be4 22.Qe4 Kh8 23.Bb4 f5 24.Qd5 White intends c5 24...e4? (24...Rb7 25.Bd6 Qd7 26.Rfb1+=) 25.Qc5?? (better 25.Bd6 Qb7 26.Bb8 Rb8 27.Qb7 Rb7 28.Rfe1+-) 25...Rb7+= 26.Qc7 Rc7 27.Rfd1 (27.Bd6 Rb7+=) 27...h5 (27...ed3 28.c5 Rb7 29.Ra5=+) 28.c5 (28.Bd6 Rb7+-) 28...Bf8 (better 28...Rb8 29.Ra5 Bf8+=) 29.Ra6?? (better 29.b6 ab6 30.cb6+=) 29...Bc5-/+ 30.Bc5 Rc5 31.Rg6 ed3 32.g3?? (32.h4-/+) 32...Rc3 (better 32...Rc1! 33.Rc1 d2-+) 33.Rd6=+ Re2 (33...Re5!?=+) 34.Rd4+= Rcc2 Black plans d2 35.Rf4 (35.R1d3 Rf2 36.Rh4 Rg2 37.Kh1 Kg7=+) 35...d2= 36.Kg2?? (better 36.Kf1 Re5 37.Rd4=) 36...Re1-+ 37.Rd2 Rd2 38.Rf5 Ree2 39.Rh5 Kg7 40.Rf5 Kg6 (40...Re6 41.h4-+) 41.Rf4 (better 41.g4-+) 41...Rb2 42.Ra4 (42.h4 Rb5 43.g4 a5-+) 42...Rb5 (better 42...Rf2 43.Kg1 Rg2 44.Kf1 Rh2-+) 43.Ra6 Kg5 (43...Rb6 44.Ra7 Rf6 45.h4-+) 44.Ra7 (44.h4 Kh5-+) 44...Rbb2 (44...Rf5!? 45.h4 Kg6 46.Kh3 Rff2 47.Ra6 Rf6 48.Ra3-+) 45.Rf7 Kg6 46.Rf4 Kg5?? (46...Rb5 47.h4-+) 47.h4 (47.Rf7 Rb4 48.h4 Kg6 49.Ra7-+) 47...Kg6 48.Kh3? (better 48.g4-/+) 48...Kh5?? (better 48...Rf2!? 49.Rf2 Rf2-+) 49.Rf5?? (49.Rf6 Rb3 50.f3 Rh2 51.Kh2 Rb2 52.Kg1 Rg2 53.Kf1 Rf2 54.Ke1 Re2 55.Kd1 Rd2 56.Kc1 Rc2 57.Kb1 Rb2 58.Ka1 Ra2 59.Ka2=) 49...Kg6 (49...Kh6 50.f3-+) 50.Rg5 (50.Rf4 Rf2 51.Rf2 Rf2 52.g4-+) 50...Kh6 51.f4 Rh2 52.Kg4 Rbg2 (52...Rb3 53.Rh5 Kg7 54.Rg5 Kf7 55.h5-/+) 53.Rh5 (53.f5 Rg1=+) 53...Kg6 54.Rg5 Kf6 55.f5 Rg3?? (better 55...Kf7-/+) 56.Kg3+- Rh1 (56...Rc2 57.Kg4 Rc4 58.Kh3 Rc3 59.Kg2+-) 57.Kg4 Rh3?? (57...Rg1 58.Kh5 Ra1+-) 58.Kh5 (58.Kh5 Rh2 59.Rg1+-; 58.Rg6 Ke5 59.Re6 Kd5 60.Kh3 Kc4 61.f6 Kb3 62.f7 Kb2 63.f8Q Kc3 64.Qc5 Kd2 65.Rd6 Ke2 66.Kg3 Ke1 67.Qf2) 1–0. BeepBeepImAJeep (2765) – gardechess (2650), lichess.org, 2020.

7.Nf3 Re8 8.cd5 Nd5 9.Bg7 Kg7 10.Be2 e5 11.d3 Be6 (11...a6 12.ba6 Na6 13.0-0=+) 12.0-0 (12.Ne5 Qg5 13.Nf3 Qg2+=) 12...Nd7 13.Qc2 Qf6 14.Nbd2 Rac8 15.Ne4 Qe7 16.Qb2 f6 17.Rac1 N7b6 18.Rfd1 (18.a5 Nd7+=) 18...Na4= 19.Qa3 c5 draws heavy fire (19.Qa1 Ndb6=) 19...Nab6 (19...Ndb6!?-/+) 20.Nc5= (20.Qa7?? Ra8 21.Qa8 Ra8 22.Nc5 Ra3-+; 20.Rc5 f5 21.Rc8 Qa3 (worse 21...Rc8 22.Qe7 Ne7 23.Nd6+-; 21...Nc8?! 22.Nc5=; 21...Bc8?! 22.Nc5=) 22.Re8 fe4 23.de4 Nc3-+) 20...Rc7 (20...Kg8!? 21.d4 Nd7=) 21.Ne6+- Qe6 22.Rc7 Nc7 23.Qa7 Nb5 24.Qb7 Re7 25.Qa6 Nc7 (25...Nc3 26.Rd2+=) 26.Qa1 Ncd5 27.d4 e4 28.Nd2 Rc7 29.Rc1 Nc3?? (better 29...Rc1 30.Qc1 h6+-) 30.Rc3+- Rc3 31.Qc3 Qa2 (31...f5 32.Qc7 Kh6 33.Bd1+-) 32.Bf1 (32.Qc7 Kh6 33.Qf4 Kg7 34.Ne4 Nd5+-) 32...Na4 (32...Nd5 33.Qc6 f5 34.Nc4+-) 33.Qc7 Kh6 (33...Qf7 34.Qc6 Nb2 35.Ne4 f5+-) 34.Ne4 f5 (34...Qe6 35.Nd6 Nb6 36.Qb6+-) 35.Qf4 (35.Nf6 Nc5 36.Qh7 Kg5 37.Qe7 Qf2 38.Kf2 Ne4 39.Ne4 Kh6 40.Qf8 Kh5 41.Be2 Kh4 42.Qh6) 35...Kg7 36.Qe5 Kh6 37.Ng3 (37.Qf6 Qg8 38.Nd6 Qd5 39.Qf8 Kh5 40.Be2 Qf3 41.Bf3 Kg5 42.g3 Nc3 43.h4) 37...Nc3 (37...Qf7+-) 38.Qf6 Qb1 39.h4 (39.Qf8 Kg5 40.h4 Kg4 41.Qh6 Qf1 42.Kf1 g5 43.Qg5) 39...Qd1 (39...Ne2 40.Ne2 Qb2 41.Ng3 Qf2 42.Kf2 f4 43.Qf8) 40.h5 (40.Qf8) 40...Qd3 41.Bd3 (41.Bd3 Nd5 42.Nf5 Kh5 43.Be2) 1–0. BeepBeepImAJeep (2615) – apostolis1 (2255), lichess.org, 2016.

7.Nf3 Re8 8.Be2 Bg4 9.0-0 dc4 10.Bc4 e5 (10...Qd6 11.d4=) 11.Be2 (11.Qb3!? Qc7 12.Ng5+=) 11...e4=+ 12.Ne5 Be6 13.Ng4? (better 13.d4!?=) 13...Ng4-/+ 14.Bg7 Ne3 (14...Nh2!? 15.Kh2 Kg7-/+) 15.fe3= Kg7 16.Nc3 (16.Qc2 Qg5=+) 16...f5-/+ 17.Qc2 Nd7 18.Rf4 (18.a5 Ne5-/+) 18...Nf6 (18...Ne5-/+) 19.Bf1 (19.Rd1 c4-/+) 19...Nd5 (19...g5!? 20.Rf2 Ng4-+) 20.Nd5-/+ Qd5 21.Rc1 b6 22.g4 g5 (better 22...Rad8 23.Qb2 Kg8 24.gf5 gf5-/+ (24...Bf5?? 25.Bc4+-)) 23.gf5?? (23.Qb2 Kg6 24.Bc4 gf4 25.Bd5 Bd5 26.g5+=) 23...gf4-+ 24.fe6 (24.Qc3 Kh6 25.Qf6 Kh5 26.fe6 Rg8 27.Kh1 Raf8-+) 24...Qg5 (24...f3!? 25.Qb2 Kg6 26.Kh1-+) 25.Kh1 f3 (better 25...Re6!? 26.Bc4 Rg6 27.Qe4 Re8 28.ef4 Re4 29.fg5 Rg5-+) 26.Qe4-/+ Qf6 (26...Rad8 27.Qf3 Kh8 28.Rd1 Re6 29.Bc4-/+) 27.Qg4 (better 27.Bd3 f2 28.Rf1+=) 27...Kh8-/+ 28.Bd3 (28.Bc4 Rg8 29.Qf4 Qg7 30.Qf3 Raf8-+) 28...Rg8 (28...Rad8 29.Bf5 f2 30.Rf1 Rd2 31.Qh5-+) 29.Qh3 (29.Qe4 Qg7 30.Qf3 Rad8 31.Bh7 Rdf8-+ (31...Qh7?! 32.Qf6 Qg7 33.Qh4 Qh7 34.Qf6 Qg7 35.Qh4 Qh7 36.Qf6=)) 29...Rg7-+ 30.Rf1? (30.Be4 Rf8 31.Rf1-+) 30...f2 31.Qf5 (31.Qf5 Qf5 32.Bf5-+; 31.Bh7 Rh7 32.Qg2-+). RichardSommer (2010) – totallying (2125), lichess.org, 2020.

6.e3 c6

7.Nf3 a6 8.Be2 ab5 9.ab5 Ra1 10.Ba1 Bg4 11.Nc3 (11.cd5 Qd5 12.Nc3 Qe6=) 11...Bf3=+ 12.Bf3 (12.gf3 dc4 13.Bc4 cb5 14.Nb5 Nc6=) 12...e6 (12...dc4!? 13.Qa4 Nfd7=+) 13.Qb3 Nbd7 14.0-0 (14.d4 Nb6 15.c5 Nc4=) 14...Qe7 (14...Ne5 15.Be2=) 15.Bb2 (15.d4 Rd8+=) 15...Rc8 (15...Ne5 16.Ba3 c5 17.cd5 Nf3 18.gf3 Nd5 19.Nd5 ed5 20.Qd5=) 16.Ba3 (16.d4+=) 16...c5 (better 16...dc4 17.Be7 cb3=+) 17.cd5+- ed5 18.Nd5 Nd5 19.Qd5 Nf6? (19...Ra8 20.Bc1 Rb8 21.d4+-) 20.Qc4 (better 20.Qb7!? Qd8 21.Rb1+-) 20...b6 21.Bc6 Rd8 22.d4 cd4?? (better 22...Ng4 23.dc5 Ne5+-) 23.Be7+- (23.Be7 Rb8 24.ed4+-) 1–0. RichardSommer (1960) – Fragglebraini (1990), lichess.org, 2020.

7.Nf3 dc4 8.Bc4 Bg4 9.0-0 Bf3 (9...Nbd7 10.d4=) 10.Qf3+= (10.gf3?! Qd7=+) 10...e6 (10...a6 11.Rc1+=) 11.d4+- Nd5 12.Nc3 Nc3 13.Bc3 Nd7 14.bc6 bc6 15.Bb4 (better 15.Rab1+-) 15...Nb6? (better 15...c5 16.Ba3 Re8+=) 16.Bf8+- Bf8 (16...Qf8 17.Rac1 (17.Qc6?! Rc8 18.Qb7 Nc4+=) 17...Na4 18.Bb3+-) 17.Bd3 (17.Rfc1 Qd7+-) 17...Bg7 (17...c5 18.dc5 Bc5 19.a5+-) 18.Rfc1 (18.Qc6 e5 19.a5 Rc8+-) 18...Rc8 (18...e5 19.a5 (19.Qc6?! ed4 20.e4 Bh6+-) 19...Nd7 20.Rc6 ed4 21.Rd6+-) 19.Rc6 Rc6 20.Qc6 h5 (20...e5 21.a5 Nd5 22.Rc1 ed4 23.Qc8+-) 21.a5 Nd5 22.a6 (better 22.Rb1 Bf8 23.Rb7 a6+-) 22...Qb8 (22...Nb4 23.Qb5 Nd3 24.Qd3+-) 23.Be4 (better 23.Bg6 Bf8 24.Qd7 Be7+-) 23...Nb4 (23...Qb2 24.Rf1 Qa2 25.Qa8 Bf8 26.Bd5 Qa6+-) 24.Qb7 Qd6 25.Qa7 f5 (25...Bf8 26.Qa8 Na6 27.Ra6+-) 26.Bf3 (better 26.Qb7 Na6 27.Ra6 Qf8+-) 26...g5 (26...Bf8 27.Qb7 Na6 28.Ra6+-) 27.Qa8 (better 27.Qb7!? Na6 28.Ra6 Qf8+-) 27...Kh7 28.a7 g4 29.Qb7 gf3 30.a8Q fg2 31.Ra7 Qh2 (31...Qd7 32.Qd7 e5 33.Qg7) 32.Kh2 g1Q 33.Kg1 (33.Kg1 e5 34.Qg7) 1–0. BeepBeepImAJeep (2560) – lucianobonfico (2025), lichess.org, 2017.

7.Nf3 Nbd7 8.Nc3 Ne4 9.Qc2 Nc3 10.Bc3 e5 11.cd5 cd5 12.Be2 Qe7 Black plans e4 13.0-0 e4 14.Bg7 Kg7 15.Nd4 Ne5 16.d3 ed3 17.Bd3 Nd3 18.Qd3 Bd7 19.Rfe1 Qg5 20.Nf3 Qf5 21.Qf5 (21.Qd4 Kg8+/-) 21...Bf5 22.Nd4 Be6 23.h3 (23.a5 Rfc8+=) 23...Rac8 24.a5 Rc4 25.Reb1 White prepares b6 25...Rfc8 26.Kh2 Kf6 27.b6 a6 28.Rd1 Bd7 29.g4 (29.Ra2 R8c5=) 29...h5 (29...Ba4!? 30.Rd3 h6=) 30.gh5+= gh5 31.Rf1 Bf5 32.Nf3 (32.Rg1 h4=) 32...Be4 33.Nh4 (33.Nd4 Bf5=) 33...Rc2=+ 34.Kg3? (34.Ng2 R8c3=+) 34...R8c3?? (better 34...Bd3!?-+) 35.Kf4 (35.Rfd1 Ke5=) 35...Rc4 (better 35...Bd3!? 36.Rfe1 Rf2 37.Kg3 Rfc2-/+) 36.Kg3= R2c3 37.Nf3 Bf3 38.Kf3 d4 39.Kg2 (39.Rfd1 Ke6=) 39...de3 (39...d3 40.Rfd1=+) 40.fe3= Ke6 41.Rad1? (41.Rf4!?=) 41...Rc2 (41...Re3 42.Rfe1 Rc2 43.Kf1 Re1 44.Re1 Kd6 45.Re8-/+) 42.Kf3 Rh2 (42...Rc5 43.Ra1-/+) 43.Kg3 (43.Rd8 Rh3 44.Kg2 Rch4=+) 43...Rcc2 (better 43...Ra2!? 44.Rc1 Re4-/+) 44.Rg1 1-0. brucepeng (2030) - donny31 (2050), lichess.org, 2021.

7.Nf3 e6 8.Be2 Bd7 9.0-0 cb5 (9...a6 10.cd5 ed5 11.Nc3=) 10.ab5+= dc4 11.Bc4 b6 (11...a5 12.d4+=) 12.Be2 (better 12.Ne5 Nd5 13.d4+-) 12...Qe7? (better 12...Bc8+=) 13.Ba3+- Qe8 14.Bf8 Qf8 15.Nc3 e5? (15...Qb4+-) 16.Ne5 Be6 17.Bf3 Nbd7 18.Ba8 Qa8 19.Nc6 (better 19.Qf3 Qf3 20.Nf3 Nd5+-) 19...Nh5 (19...a5 20.d4+-) 20.Ra7 Qe8 (20...Qf8 21.d4+-) 21.d4 (better 21.Qa4 Nf8 22.Qa6+-) 21...Bd5 (21...Qf8+-) 22.Nd5 Nf8 23.Nb6 Qe4 24.Qf3 (better 24.Qb3 Qe6 25.Qe6 fe6+-) 24...Qe6 25.Nd8 (25.Nd5 Bf6 26.g4 Bg5 27.gh5 Bh4+-) 25...Qb6 26.Qf7 Kh8 27.Rb7 (better 27.Nc6 Qa7 28.Qa7+-) 27...Qd8 28.Ra1 Qf6 (28...Bh6 29.Qc7 Qe8 30.g4+-) 29.Qf6 Nf6 30.Raa7 Ne8 (30...Bh6 31.b6 Ne4 32.Rh7 Nh7 33.b7+-) 31.Re7 (better 31.b6 Bh6 32.Rh7 Nh7+-) 31...Nd6 32.Rg7 (better 32.b6 Nc8 33.Rg7 Nb6 34.Rgb7+-) 32...Nf5 (32...Nb5 33.Rae7 Nd6+-) 33.Rgc7 Kg8 34.Rc8 Nh6 35.Raa8 (35.b6 Ng4 36.b7 Kg7 37.b8Q Kh6 38.Qf4 g5 39.Qf8 Kh5 40.Qf7 Kh4 41.g3 Kh3 42.Qh5) 35...Kf7 36.Rf8 Ke6 37.Rfe8 (37.b6 Nf5 38.b7 Ng3 39.fg3 Kd5 40.b8Q Kc4 41.Ra3 Kd5 42.Qb7 Kd6 43.Ra6) 37...Kd5 38.Re5 Kc4 39.b6 Kd3 (39...Kb4 40.Rc5 Nf5 41.b7 Nd4 42.ed4 h6 43.b8Q) 40.b7 Ng4 41.b8Q Ne5 42.Qb3 Ke2 (42...Ke4 43.Rf8 Nc4 44.Qc4 g5 45.Re8 Kf5 46.Qe6) 43.de5 (43.Qc2 Ke1 44.Ra1) 43...g5 (43...Ke1 44.Qd3 h6 45.Ra1) 44.Ra2 (44.Ra2 Ke1 45.Qb1) 1–0. RichardSommer (2035) – Kirilov407 (1965), lichess.org, 2020.

7.Nf3 Bg4 8.Be2 Nbd7 (8...dc4 9.Bc4 cb5 10.ab5=) 9.0-0 e6 10.d4 Ne4 11.Nbd2 f5 (better 11...Nd2 12.Qd2 dc4 13.bc6 bc6+=) 12.Ne5 (better 12.Rc1+=) 12...Be2 13.Qe2 Ne5 14.Ne4 Nc4 15.Nc5 Qe7 16.Bc3 b6 17.Nd3 c5 18.Rfc1 e5 (18...Rac8 19.Nb2 Nd6 20.dc5 bc5 21.Bg7 Qg7 22.a5-/+) 19.dc5 (19.de5!? Be5 20.Ne5 Ne5 21.Rd1-/+) 19...bc5-/+ 20.Be1 (20.f4 Rac8 21.fe5 Be5 22.Ne5 Ne5-/+) 20...e4 (20...Rad8 21.Nb2 Nb2 22.Qb2-/+) 21.Nf4-/+ Ba1 (21...Nb6 22.Bc3 d4 23.Qa2 Qf7 24.Bb2-/+) 22.Nd5=+ Opening the d–file gets Black a lot of play 22...Qe5 23.Qc4 Kg7 (23...Rf7 24.Ba5=+) 24.Rd1 (24.Qa2 Rfd8 25.Nf4 Bb2+=) 24...Rad8 25.g3? (25.Ba5 Rd7=+) 25...Kh6 (25...Rd7 26.Ba5-+) 26.Kg2 (26.Ba5!? Rd7 27.Qc5-/+) 26...Rd6 27.Nc3 (better 27.Ba5!? Rc8 28.h3-+) 27...Rd1-+ 28.Nd1 Rd8 29.Nc3 Rd3 30.Ne2 Rd1 31.Ba5 Qd5 The mate threat is Qxc4 32.Qc2 (32.Qd5 Rd5 33.f3-+) 32...Qd3 33.Qc5 (33.Qd3 ed3 34.Nf4-+) 33...Qe2 34.Bc7 (34.Qc4 Qc4 35.Be1 Re1 36.g4 Qf1 37.Kg3 Qg1 38.Kf4 Qg4) 34...Qf3 (34...Qf1) 35.Kh3 Qg4 (35...Rg1 36.Bf4 Kh5 37.Qf5 gf5 38.b6 Qg4) 36.Kg2-+ Qf3 (better 36...Rd7 37.Bf4 Kh5-+) 37.Kh3 Rh1 (37...Rg1 38.Bf4 Kh5 39.Qf5 gf5 40.b6 Qg4) 38.Qf8?? (38.Bf4 Kh5 39.Qa7 Rh2 40.Kh2 Qf2 41.Kh1 Qf1 42.Kh2-/+) 38...Kh5 (better 38...Bg7 39.Qe7 Qh5 40.Qh4 g5 41.Qh5 Kh5-+) 39.Bf4 (better 39.Qe7 Rh2 40.Kh2 Qf2 41.Kh3 Qf1 42.Kh2-+) 39...Qg4?? (better 39...Rh2! 40.Kh2 Qf2 41.Kh3 Qf1 42.Kh2 Kg4-+) 40.Kg2= The mate threat is Qh6 40...Qf3 41.Kh3 Qf2?? (better 41...Rh2! 42.Kh2 Qf2 43.Kh3 Qf1 44.Kh2 Kg4-+) 42.Qh6 1–0. BeepBeepImAJeep (2780) – Koshechka22 (2695), lichess.org, 2019.

7.Nf3 Bg4 8.Be2 Nbd7 9.0-0 Bf3 10.Bf3 e6 11.d4 Re8 12.Nd2 Rc8 13.Be2 c5 14.cd5 (14.a5 Qe7+=) 14...Nd5= 15.Rc1 (15.Ne4 Rc7=) 15...cd4 16.Rc8 Qc8 17.ed4 (17.Nc4 Qc5 18.Bd4 Bd4 19.Qd4 Qd4 20.ed4 Rc8=) 17...Rd8 (17...Qc7 18.Re1=) 18.Nf3 (18.Bf3 N7f6=) 18...N7f6 (18...N7b6 19.Qb3=+) 19.Qa1 (19.Ne5 Nc3 20.Qc2 Nfe4=) 19...Ne4 (19...Qc2 20.Re1=) 20.Rc1 Qb8 21.Ne5 Nd6 (21...Qd6 22.Bd3 Nd2 23.Ba3=) 22.Bf3 Nf5 23.Be4 Nfe7 (23...Nf4 24.Re1=) 24.a5 h6 25.a6 ba6 26.ba6 Qb6 27.Ba3 (better 27.Rb1=) 27...Bf6?? (better 27...Qa6 28.Bc5 Qa1 29.Ra1 Be5 30.de5 Nc6-/+) 28.Bc5+/- Qb8 29.Qb1 (better 29.Rb1!? Qc8 30.Ba7+-) 29...Qb1 (29...Be5 30.de5 Qe5 31.Bd5 Nd5 32.Ba7-/+) 30.Rb1 Kg7 (30...Nc3 31.Ng4 Bg5 32.Be7 Be7 33.Rb7 (33.Nh6? Kf8 34.Rb7 Ne4-+) 33...Rd4 34.Bf3+= (worse 34.Nh6 Kf8 35.Bc2 Rd6-/+)) 31.Rb7+/- (31.Ba7?! Be5 32.Bd5 Rd5 33.de5 Ra5=) 31...Nc3? (31...Be5 32.de5 (32.Be7? Ne7 33.Re7 Rd4-+) 32...Rc8 33.Ba3+/- (33.Re7?? Rc5 34.Rf7 Kf7-+)) 32.Bf3 (better 32.Be7!? Rd4 33.Bf6 Kf6 34.Nd7 Kg5 35.Bf3+-) 32...Be5+/- 33.de5 (worse 33.Be7 Rd4 34.Bb4 Rc4 35.Bc3 Rc3-/+; 33.Re7?! Bd4 34.Bd4 Rd4 35.Ra7 Ra4=) 33...Nc8 (33...Nc6!?+/-) 34.h4 Na4 35.Ba7 Na7 36.Ra7 Rd3? (better 36...Nc5+-) 37.Rc7 (37.Rb7!? Ra3 38.a7 Nb6 39.Rb6 Ra7+-) 37...Ra3 38.a7 Nb6 39.Rb7?? (better 39.Bc6+-) 39...Nd5?? (better 39...Nc8 40.Rf7! Kf7+/-) 40.Bd5+- ed5 41.e6 Kf8 42.Rf7 Ke8 43.g4 (43.Rh7 Ra1 44.Kh2 h5+-) 43...h5 (43...Ra4 44.f4 d4 45.f5 gf5 46.gf5+-) 44.gh5 gh5 45.f4 d4 46.Kf2 d3 47.Ke3 Ra4 48.f5 Ra5 49.f6 Ra6 50.Re7 Kf8 51.Kd3 Ra5 52.Kc4 (52.Rg7 Ra3 53.Ke4 Ra4 54.Kf5 Ra3 55.e7 Ke8 56.Rg8 Kd7 57.e8Q Kd6 58.Qe5 Kd7 59.Qe6 Kc7 60.Rg7 Kd8 61.Qd7) 52...Ra6 53.Kb5 Rd6 (53...Ra3 54.Rg7 Ra2 55.e7 Ke8 56.Rg8 Kf7 57.e8Q Kf6 58.Rf8 Kg7 59.Qe7 Kg6 60.Rf6) 54.Rd7 (54.a8Q Rd8 55.Qd8) 54...Re6 55.a8Q Re8 56.Rd8 (56.Qa3 Re7 57.Qe7 Kg8 58.Qd8) 56...Kg8 (56...Kf7 57.Qd5 Kg6 58.Qg5 Kf7 59.Qg7 Ke6 60.Re8 Kd6 61.Qe7 Kd5 62.Qe5) 57.Re8 (57.Qb7 Rd8 58.Qg7) 57...Kh7 (57...Kf7 58.Rf8 Ke6 59.Qe4 Kd6 60.Rd8 Kc7 61.Qe7) 58.Qe4 Kh6 59.Rh8 1-0. BeepBeepImAJeep (2740) - aashetty (2775), Rated Bullet game, lichess.org, 2020.

7.Nf3 Bg4 8.Be2 Bf3 9.Bf3 dc4 10.Nc3 (10.Na3 Qd3=) 10...Nd5 (10...Nbd7 11.bc6 bc6 12.Bc6-/+) 11.0-0 (11.bc6 Nc3 12.cb7 Nd1 13.Bg7 Nc6 14.ba8R Qa8 15.Bf8 Qf8 16.Rd1 Ne5=) 11...e6 (11...Nb4 12.a5-/+) 12.Qc2 (12.Qe2 Nc3 13.dc3 Qd3=) 12...Nd7 (12...Nb4 13.Qb1 a5 14.Rd1-/+) 13.Rfd1 (13.bc6 bc6 14.Ba3 Re8=+) 13...a5 (13...Ne5 14.Be4-/+) 14.d3 (14.bc6 bc6 15.Be2 Nc5 16.Bc4 Nb4=+) 14...cd3 (better 14...Nb4 15.Qb1 Nd3 16.bc6 bc6 17.Bc6 Rb8-+) 15.Rd3? (better 15.Qd3!? Ne5 16.Qe2-/+) 15...Ne5 (15...Nb4!? 16.Rd7 Nc2 17.Rd8 Rfd8 18.Rb1-+) 16.Rdd1 Nf3 17.gf3 Qg5 18.Kh1 Qh5 19.f4 Qf3 20.Kg1 Rfd8 (better 20...Bc3!? 21.Bc3 cb5-+) 21.Nd5-/+ Rd5 22.Bg7 Kg7 23.Rd5 Qd5 24.Rd1 Qf3 25.bc6 Qc6 26.Qb2 f6 (26...Kg8!? 27.Rd4 Rb8-/+) 27.Rc1 Qa4?? (27...Qd7 28.Rb1=) 28.Rc7 (better 28.Qb7 Kh6 29.Qa8+-) 28...Kh6= 29.Qf6 Qd1 30.Kg2 Qg4 31.Kf1 Qf5?? (31...Qd1!? 32.Kg2 Qg4 33.Kf1 Qd1 34.Kg2=) 32.Qg7?? (better 32.Qe7 g5 33.Rc5 Qc5 34.Qc5 gf4 35.ef4+-) 32...Kh5+= 33.Qh7 Kg4 34.h3 (34.Rc1 Rb8 35.Qc7 Rh8+=) 34...Kf3 35.Rc1 (35.Rb7?? Qc2 36.Qh5 gh5 37.Kg1 Qf2 38.Kh1 Qg2) 35...a4? (35...Rb8 36.Qh4 Qb5 37.Kg1 Ke2 38.Qg4 Kd3 39.Qd1 Ke4 40.Qd4 Kf3+-) 36.Qh4+- (36.Qb7?! Qd5 37.Qc7 Qd3 38.Kg1 a3+/-) 36...Ke4?? (36...Qb5 37.Kg1 Ke2 38.Qg4 Kd3 39.Qd1 Ke4 40.Qd4 Kf3 41.e4+-) 37.Qg3 (37.f3 Kd3 38.Qe1 Qh3 39.Kg1 Qh8 40.Qd1 Ke3+-) 37...a3?? (better 37...Qb5 38.Kg1 Qa5+-) 38.Rc4 (better 38.f3 Kd3 39.Qh2 Qh3 40.Qh3 Kd2 41.Rc7 Ke3 42.Qe6 Kf3 43.Rc3 Kf4 44.Rc4 Kg3 45.Qg6 Kf3 46.Qd3) 38...Kd5= 39.Rd4 Kc5?? (better 39...Kc6 40.Qf3 Kc7=) 40.Qf3?? (better 40.e4 Qf8 41.Qc3 Kb6 42.Rb4 Ka7 43.Qd4 Kb8 44.Qe5 Ka7 45.Qb5 Qb4 46.Qb4+-) 40...a2-+ 41.Qb7 (41.Rd1 a1Q 42.Ra1 Ra1 43.Kg2-+) 41...a1Q 42.Ke2 (42.Qb1 Qfb1 43.Rd1 Qd1 44.Kg2 Qh1 45.Kg3 Qag1 46.Kh4 Rh8) 42...Ra2 (42...Qc2 43.Kf3 Qh1 44.Kg3 Qg1 45.Kf3 Qcf2 46.Ke4 Qe3) 43.Rd2 Rd2 (43...Qh5 44.f3 Qf1 45.Kf1 Qh3 46.Ke1 Qh1 47.Ke2 Qg2 48.Kd3 Qd2 49.Ke4 Qc2 50.Ke5 Qf5) 44.Kd2-+ Qa2 45.Ke1 Qfb1 (45...Kc4 46.h4 Qa1 47.Ke2 Qc2 48.Kf3 Qh1 49.Kg3 Qg1 50.Kf3 Qcf2 51.Ke4 Qe3) 46.Qb1 Qb1 47.Ke2 Qf5 48.h4 Qh3 49.h5 (49.Ke1 Kc4 50.Ke2 Qg4 51.Kf1 Kd3 52.h5 Qh3 53.Kg1 Ke2 54.hg6 Kf3 55.f5 Qg2) 49...Qh5 50.Kd3 Kd5 (50...Qf3!? 51.Kc3 Qf2 52.Kd3-+) 51.e4 Kd6 52.e5 Kd5 53.f3 Qf3 54.Kd2 Qf4 (54...Qf4 55.Kc3 Qd4 56.Kb3 Qd2 57.Ka3 Kc4 58.Ka4 Qb4; 54...Kd4 55.Kc2 Qc3 56.Kb1 Qb3 57.Kc1 Kd3 58.f5 Qc2) 0-1. brucepeng (2000) - LeonderProfi01 (2040), lichess.org, 2021.

5.c4 d6

6.Nc3 c6 7.e3 Nbd7 8.Nf3 Qc7 9.Be2 e5 10.0-0 Nc5 11.d4 Ne6 12.de5 de5 13.Na2 (13.Qc2 Nc5 14.e4 Rd8+=) 13...Rd8= 14.Qc2 Ng4 (14...e4 15.Nd4=) 15.h3+= Nh6 16.Rad1 Bd7 17.Nb4 Be8 18.Rd8 Rd8 19.Rd1 Rd1 20.Qd1 Nc5 21.Qa1 f6 22.Nd3 Nd3 23.Bd3 Nf5 24.Bc2 Bf7 25.Bb3 Qd7 26.g3 (26.Qb1 c5=) 26...h5 (26...Qd3 27.Qd1 Qd1 28.Bd1 Bc4 29.Nd2-/+) 27.Kg2? (27.Qf1 Be6=) 27...a6 (better 27...cb5!? 28.ab5 Qd3-+) 28.ba6= ba6 29.a5 (29.Qb1 Nd6=) 29...Qb7 (29...Qd3 30.Qd1 Qd1 31.Bd1 Bc4 32.Bc2-/+) 30.Ba4 (30.Qd1 Qb4 31.Qd8 Kh7=) 30...Kh7 (30...Bc4 31.Nd2 Be6 32.Ba3-/+) 31.Qc1 (31.Ba3 Bc4 32.e4 Nh6=+) 31...Qb4 Attacks the isolani on c4 (better 31...Nd6!?-/+) 32.Bc6= Bc4 33.Bc3 Qc5 34.Be4 Nd6 35.Bc2 Bd5 36.Bd2 Bf3 37.Kf3 Qd5 (37...f5 38.Kg2=+) 38.Ke2 (38.e4!? Qb7 39.Qb1=) 38...e4=+ 39.Qb1 f5 40.Bb3 Qc5 (40...Qb5!? 41.Ke1 Nc4-/+) 41.Qc2 Qb5 42.Ke1 h4 43.g4?? (better 43.gh4 Be5 44.Ba2=) 43...fg4-/+ 44.hg4?? (better 44.Ba4 Qe5 45.Bd7-+) 44...h3-+ 45.f4 (45.Ba4 Qg5 46.Qc6-+) 45...h2 46.Kf2 h1Q 47.Qd1 (47.Bc4 Qh2 48.Kf1 Nc4 49.Qd3 Nd2 50.Ke1 ed3 51.f5 Qe2) 47…Qd1 (47...Qd1 48.Bd1 Qb2 49.Be2 Qd2 50.Kg2 Qe2 51.Kh3 Nc4 52.f5 Be5 53.fg6 Kg6 54.g5 Qf3 55.Kh4 Qh5; 47...Qh2 48.Ke1 Qg1) 0-1. Jimito100 (1995) - Drunksteri (2270), Rated Bullet game, lichess.org, 2020.

6.Nc3 Nbd7 7.e3 c5 8.Nf3 b6 9.Be2 Bb7 10.d4 Rc8 (10...cd4!? 11.ed4 Rc8=) 11.d5+= e6 (11...Qc7 12.0-0+=) 12.0-0 (12.de6!? Ne5 13.ef7 Rf7 14.Ne5 de5 15.Qd8 Rd8 16.f3+/-) 12...ed5 13.Nd5 Nd5 14.cd5?? (better 14.Bg7 Ne3 15.fe3 (worse 15.Qd6 Nf5 16.Bf8 Nd6 17.Bd6 Qf6-/+) 15...Kg7 16.Qd6=) 14...Bb2-+ 15.Rb1 Bg7 16.e4 (16.Rc1 Re8-+) 16...Nf6 (better 16...f5 17.ef5 Rf5-+) 17.h4 (17.Bd3-+) 17...Ne4 18.Ng5 (18.Rc1 Nc3 19.Qd2 Ne2 20.Qe2 Bd5-+) 18...Ng5 (18...Nc3!? 19.Qd2 Nb1 20.Rb1-+) 19.hg5 Qg5 20.Rb3 (20.Bc4 Rce8-+) 20...Bd5 (20...c4!? 21.Rg3 Qd5 22.Qc1-+) 21.Rg3 Qe5 22.Rh3 (22.Rd3 Be6 23.Bf3 Qb2-+) 22...h5 (22...Rce8 23.Re3 Qg5 24.Rg3-+) 23.Re1 Qf6 (better 23...Rfe8!? 24.Re3 Qg5 25.Bf3 Re3 26.Re3 Bf3 27.Rf3-+) 24.Bh5 (24.Qd5 Qd4 25.Qa2-+) 24...Be6 25.Rh2 (25.Bg4-+) 25...gh5 26.Qh5 Qg6 (better 26...Rfe8 27.Rh4 d5-+) 27.Qh3 (27.Qg6 fg6 28.Re6-+) 27...Bh3 28.Rh3 d5 29.Ree3 d4 30.Reg3 Qb1 (30...Qc2!? 31.Kh2-+) 31.Kh2 d3! 32.Rd3 c4 33.Rc3 Bc3 34.Rc3 Qg6 (34...Qd3 35.Rd3 cd3 36.a5 ba5 37.b6 ab6 38.f3 d2 39.Kg1 d1Q 40.Kh2 Qd4 41.f4 Qf4 42.g3 Qf1 43.g4 Qf2 44.Kh3 Rc3) 35.Rg3 Kg7 36.Rg6 fg6 37.f3 c3 38.Kg3 (38.Kg1 c2 39.Kh2 c1Q 40.Kh3 Rh8 41.Kg3 Qg5 42.Kf2 Rc2 43.Ke1 Rh1) 38...c2 39.Kg4 (39.Kh2 c1Q 40.Kh3 Rh8 41.Kg3 Qg5 42.Kf2 Rc2 43.Ke1 Rh1) 39...c1Q 40.f4 (40.Kh3 Rh8 41.Kg3 Qg5 42.Kf2 Rc2 43.Ke1 Rh1) 40...Qc4 (40...Qf4 41.Kh3 Rh8) 41.g3 (41.Kh3 Qd3 42.g3 Rh8 43.Kg4 Qe2 44.Kg5 Rh5) 41...Qa4 (41...Qe2 42.Kg5 Qh5) 42.Kh3 Qb5 43.Kg4 (43.g4 Rc3 44.Kg2 Qe2 45.Kg1 Rc1) 43...Qf5 (43...Qh5) 44.Kh4 (44.Kf3 Qd3 45.Kg4 Qe2 46.Kg5 Qh5) 44…Rh8 0-1. Jimito100 (1830) - akshatbansal24 (2275), Hourly Bullet Arena, lichess.org, 2020.

6.Nc3 Nbd7 7.e3 c6 8.Nf3 a6 9.Be2 ab5 10.cb5 Nc5 11.0-0 Bf5 12.Nd4 Bd3 13.Ba3 (13.bc6 bc6 14.Nc6 Qd7=) 13...Be2 14.Nce2 (14.Qe2 Na4 15.Na4 Ra4 16.bc6=+) 14...Nd3 (14...e5 15.Nf3 e4 16.Nfd4=+) 15.Nc1 (15.Qc2!? c5 16.Qd3 cd4 17.Nd4 Ra4 18.Bb2 Ra1 19.Ra1=) 15...Nc1 16.Rc1 (16.bc6 Nd3 17.cb7 Rb8=) 16...c5 17.Ne2 Qa5 18.Nc3 Nd7 19.Ra1 (19.d4 Rfe8=+) 19...Nb6 (19...Bc3 20.dc3 Qa4 21.Qa4 Ra4 22.Bb2-+) 20.Bb2=+ Nc4 21.Qb3?? (better 21.Qc2=+) 21...Nd2-+ 22.Qc2 Nf1 23.Rf1 (23.Kf1 Qb4-+) 23...Bc3 24.Bc3 Qa4 25.Qd2 (25.Qd3 Qb3 26.Rc1 Ra2-+) 25...Qb5 26.Bb2 (26.e4 Qb3-+) 26...Qb3 (better 26...Ra2!? 27.Rb1-+) 27.Rb1 Ra2 28.e4 (28.Qc1 Qd3 29.Ra1 Rfa8-+) 28...Rfa8 29.e5 (29.Qc1-+) 29…Rb2! (29...Rb2 30.Qb2 Qb2-+) 0-1. Jimito100 (1985) - RhenzRheann_Auza98 (2295), Hourly Bullet Arena, lichess.org, 2020.

6.Nc3 Nbd7 7.e3 e5 8.Nf3 Re8 9.Be2 Nc5 10.0-0 e4 11.Ne1 h5 12.d4 ed3 13.Nd3 Nce4 14.Ne4 Re4 15.Bh5?? (better 15.c5+=) 15...Nh5 16.Nf4?? (better 16.Bg7 Ng7 17.c5-+) 16...Bb2 17.Nh5 Ba1 18.Qa1 (18.Ng3 Rc4 19.Qa1-+) 18...gh5 19.f4 (19.Rc1 Qg5 20.Qb1 Bf5-+) 19...Bg4 20.h3 (20.Qb2 Re3 21.Qd4 Qe7-+) 20...Be2 21.Rf2 Bc4 22.Rf3 h4 23.g3 (23.Kh2 a6-+) 23...Kh7 (better 23...Be2!? 24.Rf2 Re3 25.Qd4 Rg3 26.Rg2-+) 24.Qb1 f5 25.g4 Be6 26.gf5 Bf5 27.Qb3 (27.Kh2 Rf4! 28.Qf1 Rf3 29.Qf3 Qg5-+) 27...Qf6 (better 27...Qg8 28.Qg8 Rg8 29.Kf1 Ra4 30.e4 Be4 31.Re3-+) 28.Kf2 Rg8 29.Ke2 Rg2 30.Rf2 Bh3 (30...Be6 31.Qc2 Bc4 32.Qc4 Rf2 33.Ke1 Rc4 34.Kf2 Rc2 35.Kf3 Qg6 36.e4 Qg3) 31.Rg2 Bg2 32.Kf2 Bh3 (32...Qg6 33.b6 Qg3 34.Ke2 Bf3 35.Kd3 Re3 36.Ke3 Bd5 37.Kd2 Bb3 38.bc7 Qf4 39.Ke2 Qe4 40.Kf2 Bc4 41.c8R Qe2 42.Kg1 Qg4 43.Kh2 Qg3 44.Kh1 Bd5) 33.Kf3 Bf5 (33...Qg6 34.Ke2 Be6 35.Qc2 Qg2 36.Kd3 Re3 37.Kd4 Qc2 38.Ke3 Qc3 39.Ke2 Bg4 40.Kf1 Qf3 41.Kg1 h3 42.Kh2 Qg2) 34.Kf2 Qg6 35.Kf3 Qg3 (35...h3 36.Ke2 Rb4 37.Kd2 Rb3 38.e4 Qg2 39.Kc1 Be4 40.Kd1 Rb1) 36.Ke2 Bg4 37.Kd3 Re3 38.Kc4 (38.Kd2 Rb3 39.f5 Qc3) 38...Rb3 39.Kd5 Qf3 (39...Qf3 40.Kd4 Qd3; 39...Qd3) 0-1. Jimito100 (1995) - Suelocagarla (2360), Hourly Bullet Arena, lichess.org, 2020.

6.Nc3 Nbd7 7.Nf3=+.

6.Nc3 e5 7.e4=.

6.Nc3 Nh5 7.e3 Nf6 8.Nf3 Nbd7 9.Be2 Re8 (9...c6 10.0-0+=) 10.d4 e5 11.de5 de5 12.0-0 c6 13.Qc2 Qe7 14.Rad1 Nc5 15.Qb1 (15.e4!?+=) 15...Bf5= 16.Qa1 (16.Qa2 Rad8=) 16...Nb3 (better 16...Bc2!?-/+) 17.Qa2= Nc5 18.Ba3 b6 (18...Red8 19.Bb4 cb5 20.ab5+=) 19.bc6 Qc7 (19...Rac8 20.Nd5 Qe6 21.Bc5 bc5 22.Nh4 Rc6 23.Nf5 Qf5 24.e4 Ne4 25.Bd3=) 20.Nb5 (20.Bc5 bc5 21.Nb5 Qc6+=) 20...Qc6= 21.Rd6 (21.Bc5 Qc5 22.Nd6 Re7=) 21...Qb7 22.a5 Rad8 (22...Nfe4!?=) 23.ab6 (23.Ne5 Nfe4 24.Bc5 bc5+=) 23...ab6+= 24.Rfd1 (better 24.Ne5 Nfe4 25.Rd8 Rd8 26.Nf3+=) 24...Nfe4?? (better 24...Ra8=) 25.Rd8+- Rd8 (25...Qe7 26.Bc5 Nc5 27.Re8 Qe8 28.Qa7+-) 26.Rd8 Bf8 27.h3 (better 27.Ne5!? f6 28.Nf3 Ne6+-) 27...Qe7 28.Ra8 Qb7 (28...Ng5 29.Qb2 Be4 30.Bc5 bc5 31.Ra7+-) 29.Bc5 bc5 30.Ne5 Kg7 (30...Qe7 31.Ng4 Be6 32.Qb2+-) 31.Ra7 Qc8 32.Rf7 (better 32.Nf7 Kg8 33.Nh6 Bh6 34.Ra8+-) 32...Kh6 (32...Kg8 33.Qa7 h5 34.Nd7 Bd7 35.Qd7 Qd7 36.Rd7+-) 33.Bd3 (33.Rc7!? Nc3 34.Qd2 Ne2 35.Qe2 Qc7 36.Nc7 Be7+-) 33...Qe6 (33...Be6 34.Qa7 Ng5 35.Rf4 Nh3 36.gh3+-) 34.Be4 Be4 35.Ng4 Kg5 36.Rf8 (36.Rf8 Qe7 37.f4 Kh5 38.Nf6 Kh6 39.Ng8 Kh5 40.Qe2 Bf3 41.Qf3 Kh4 42.Qg4; 36.f4 Kh4 37.Rh7 Bh6 38.Rh6 Kg3 39.Qf2) 1–0. BeepBeepImAJeep (2540) – new_patzer (2330), lichess.org, 2016.

6.d4 e5 7.g3 e4 8.Bg2 e3 9.fe3 Re8 10.Ra3 Ng4 11.e4 c5 12.Nh3 (12.e3 Bh6 13.Qe2 Qa5 14.Nd2 cd4 15.Bd4 a6=) 12...Nd7 (12...cd4!? 13.Bd4 Qa5 14.Kf1 Bd4 15.Qd4 Qb4=+) 13.0-0 cd4 14.Bd4 Bd4 15.Qd4 Qb6 16.e3 Nde5 17.Ng5 Attacks the backward pawn on f7 17...h6 18.Nf3 Be6 Exerts pressure on the backward pawn 19.Nbd2 Rac8 The pressure on the backward pawn c4 grows 20.a5 Qd4 21.ed4 Nc4 22.d5?? (22.Nc4 Bc4 23.Re1 Bb5=) 22...Bd7?? (22...Na3 23.de6 fe6-+ (23...Nb5?! 24.ef7 Kf7 25.Ne5 Kg7 26.Ng4=)) 23.Rb3 (23.Nc4 Rc4 24.h3 Ne5 25.Ne5 Re5+=) 23...Nd2 24.Nd2 Rc2 25.Nf3 Rc5 26.Nd4 Ne5 27.a6 Rb8?? (27...ba6 28.b6=+) 28.ab7 (better 28.b6!? ba6 29.ba7+/-) 28...Rb7= The pressure on the isolated pawn grows 29.Nc6 (29.Rfb1!?=) 29...Nc6 (29...Bc6 30.dc6 Nc6 31.Rd1 Rcb5 32.Rb5 Rb5 33.Rd6-+) 30.dc6 (30.bc6!? Rb3 31.cd7-/+) 30...Bc6!-+ 31.Rfb1 (31.bc6 Rb6 Double attack (31...Rb3 Pinning; 31...Rb3 Deflection; 31...Rb6 Decoy)) 31...Rcb5 32.Rb5 Rb5 (32...Bb5?! 33.e5 Rb6 34.ed6=+) 33.Rd1 Re5 34.Rd4 a5 35.Kf2 Kf8 36.Ke3 Ke7 37.Kf4 (37.Rc4 Rc5 38.Bf1 a4-+) 37...Rb5 (better 37...f5!? 38.Ke3-+) 38.h4 (38.Rc4 Rc5 39.Bf1 a4 40.Rc5 dc5-+) 38...Rb4 39.Rd2 (39.Rb4 ab4 40.Bf1 b3-+) 39...Be4! 40.Rc2 (40.Be4 f5 Pinning (40...f5 Decoy)) 40…Bc2 (40...Bc2 41.Ke3 a4-+) 0-1. is_er_nog_hoop (2525) - dolar9 (2625), Rated blitz game, lichess.org, 2019.

6.e3 e5 7.Nc3 Re8 8.Nf3 c6 9.Be2 Nbd7 10.d4 e4 11.Nd2 h5 12.Qb3 (12.0-0 h4+=) 12...c5 (better is 12...h4+=) 13.Nd5 (better is 13.0-0!?+=) 13...Nd5+= 14.cd5 cd4 (14...Qg5 15.g3+=) 15.Bd4+= Bd4 16.ed4 Qg5 17.Qe3 (17.Qg3!? Qg3 18.hg3+=) 17...Qg2-/+ 18.0-0-0 Nf6 (18...Nb6 19.Bf3 Qh3 20.Ne4 Nd5 21.Qd3-+) 19.Rhg1 Qh3 (worse is 19...Qh2 20.Rh1 Nd5 21.Rh2 Ne3 22.fe3+=) 20.Rg3 (20.Nc4!?-/+) 20...Qh4 (20...Qh2 21.Qf4 Bg4 A) 22.Bg4? A1) worse is 22...Ng4 23.Rg4 Qf4 24.Rf4 Rac8 25.Kb2=; A2) worse is 22...Nd5 23.Qd6 h4 24.Bd7 (24.Qd5 hg3 25.Bd7 Rad8 26.Ne4 Qh4 27.Ng3 Qf4 28.Kb1 Re7-+) 24...hg3 25.Be8 (25.Qd5? Rad8 26.Ne4 Qh4 27.Ng3 Qf4 28.Kb1 Re7-+) 25...Rc8 26.Kb2=; A3) 22...Qh4-+; B) 22.Qf6 Rec8 23.Kb2 Be2 24.Rdg1+-) 21.Rdg1 Bg4 (21...Qh2 22.Qf4 Bg4 A) 23.Bg4 Nd5 (worse is 23...Ng4 24.Rg4 Qf4 25.Rf4+/-) 24.Qg5 e3 25.fe3 Rac8 26.Bc8 Rc8 27.Kb1 Nc3 28.Ka1 Qd2-+; B) 23.Qf6 Rac8 24.Kd1+-) 22.Qh6 Qh2?? (better is 22...Bf5-+) 23.Bg4+- Qf2?? (23...Rac8 24.Bc8 Rc8 25.Kb2 Qg3 26.Rg3 Rf8+-) 24.Be6! Rac8 (24...fe6 25.Rg6) 25.Kd1 (better is 25.Kb1 Ng4 26.Qg6 Kf8 27.Qh5+-) 25...Re6 (25...Ng4 26.Rg4 hg4 27.Rg4 Re6 28.de6 Qf5 29.ef7 Kf7+-) 26.Rg6! fg6 (26...fg6 27.Rg6) 27.Rg6 Kf7 28.Rg7 Ke8 29.Qh8 (29.Qh8 Ng8 30.Qg8 Qf8 31.Qe6 Kd8 32.Qd7) 1–0. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

6.e3 e5 7.Nc3 Re8 8.Nf3 c6 9.Be2 Nbd7 10.d4 e4 11.Nd2 h5 12.Qc2 e4 becomes the focus of attention Qe7 13.a5 (13.0-0 h4+=) 13...c5 14.Nb3 (14.0-0 h4+=) 14...Rb8 (14...h4 15.dc5 Nc5 16.Rd1+=) 15.dc5 (15.0-0 h4+=) 15...dc5 (15...Nc5 16.0-0+=) 16.Rd1 Ne5 (16...b6 17.a6+=) 17.Nd5 (17.0-0!?+/-) 17...Nd5+= 18.Rd5 b6 (18...Nd3 19.Bd3 ed3+=) 19.a6 (better is 19.0-0!?+=) 19...Nd3+= 20.Bd3 ed3 21.Rd3 Bb2 (better is 21...Bf5 22.Bg7 Qe4+=) 22.Qb2-+ Qe4 23.Qe2 Qg2?? (better is 23...Qc4 24.Qd1 Qb5-+) 24.Qf1= Qe4 25.Nd2 Qe5 (25...Qh4 26.h3+=) 26.Rd5 (26.e4 Be6=) 26...Qb2+= 27.Rg1 (27.Qe2!?+=) 27...Be6 28.Rd3 Rbd8 29.Rd8 (29.f3-+) 29...Rd8 30.Qe2 Qc1 (30...Bc4 31.Qc4 Rd2 32.Rg6 Kf8 33.Rb6 ab6 34.a7-+) 31.Qd1 Qc3 32.Rg3 Bg4 (32...Bg4 33.Rg4 hg4-+) 0–1. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

6.e3 e5 7.Be2 Nbd7 (7...Nfd7 8.Nf3=) 8.d3 (8.d4 a6=) 8...Qe7 (8...d5 9.Nf3=) 9.e4 (9.Nf3 Re8=) 9...Nc5 10.Nf3 Bg4 (10...Nh5 11.Nc3=+) 11.0-0 (11.h3 Bf3 12.Bf3 a6=) 11...Nfd7 (11...Nh5 12.Nc3=) 12.Nbd2 (12.Nc3 f5=) 12...f5 (12...a6 13.h3 Be6 14.d4 ed4 15.Bd4 Bd4 16.Nd4=+) 13.Qc2 (13.h3 fe4 14.Ne4 Bf5=) 13...fe4 (13...Ne6 14.Rae1=+) 14.Ne4= Ne4 (14...a6 15.Bc1=) 15.de4 Nc5 16.Ne1 (16.Bc1 Ne6=) 16...Be2 17.Qe2 Qh4 (17...Qe6 18.Nf3=) 18.f3 Rf7 (18...a6 19.Nd3=) 19.Nd3 Ne6 20.Nb4 (20.c5 Nc5 21.Nc5 dc5=) 20...Nf4 (20...Qg5 21.a5=) 21.Qf2 (21.Qc2 a6=) 21...Qe7 22.Nd5 Nd5 23.cd5+= Raf8 24.Rac1 Qd7 25.Qc2 h5 26.Ba3 g5 27.h3 g4 28.hg4 hg4=+ 29.fg4 Qg4 30.Rf7= Rf7 31.Rf1 Rf1 32.Kf1 Bh6 33.Qf2 Bf4?? 34.Qf3 Qf3= 35.gf3 Kg7 36.a5 Kg6 37.b6+/- ab6 38.ab6 cb6 39.Bd6 Kf6 40.Bb4 b5+- 41.d6?? Ke6= 42.Ke2 Bc1 43.Kd3 Bb2 44.Ke3 Bd4 45.Kd3 b6 46.f4 Bc5 47.Bc5 bc5 48.d7?? Kd7-+ 49.f5 Kd6 50.f6 Ke6 51.f7 Kf7 52.Ke3 Ke6 53.Kd3 Kd6 54.Ke3 Kc6 55.Kd3 Kb6 56.Ke3 c4 57.Kd2 b4 58.Ke3 Kc5 59.Kf3 Kd4 60.Kg4 Ke4 61.Kg5 c3 62.Kf6 c2 63.Ke6 c1Q 64.Kd6 (64.Kf7 Kf5 65.Kf8 Kf6 66.Kg8 Qc7 67.Kf8 Qf7) ½–½. ATUK – Ninja, Live Game Caissa's Web, 2005.

6.e3 Ne8 7.Nc3 c5 8.Nf3 b6 9.Be2 Bb7 10.0-0 e5 11.d4 f5 Black plans e4 (better 11...Nd7!?+=) 12.de5+- de5?? (better 12...Qd7 13.Nd5 de5 14.Be5 Be5 15.Ne5 Qd6+-) 13.Nd5 (better 13.Qd8 e4 14.Qe7 ef3 15.Qb7 fe2 16.Rfe1+-) 13...Nd7 14.Qc2 Bd5 15.cd5 e4 16.Nd2 Ne5 (16...Bb2 17.Qb2 Ndf6 18.Rfd1+=) 17.Nc4 Nc4 (17...Qd5?? 18.Ne5 Nd6 19.Rad1+-) 18.Qc4?? (18.Bc4 Bb2 19.Qb2 Nd6=) 18...Nd6 (better 18...Bb2 19.Rad1 Nd6-+) 19.Qc2= Bb2 20.Qb2 Qf6 21.Qf6 Rf6 22.Rfd1 Rd8 23.a5 Rf7 24.ab6 ab6 25.Ra6 Rb7 26.Rb1 (26.f3 Kf7=) 26...Rdd7 (26...c4 27.Rc1=+) 27.Rd1 Kf7 28.f3 Kf6 29.fe4 (29.Kf1 c4=+) 29...Ne4-/+ 30.Bf3 Nc3 (30...Rb8 31.Be4 fe4 32.g4-/+) 31.Re1? (31.Rc1 Nb5 32.Rc5 Nd6=+) 31...Nb5 (31...Rd6 32.Be2 Ke5-+) 32.e4? (better 32.Rb1 Nd6 33.Rbb6 Rb6 34.Rb6-/+) 32...fe4-+ 33.Be4 Nd4 (33...Rd6 34.Bf3-+) 34.Rf1 Ke5 35.Bf3? (better 35.Re1 Kd6 36.Kf2-+) 35...Nf3 36.Rf3 Kd5 37.Ra1 (37.Rd3 Kc6 38.Rd7 Kd7-+) 37...Kc6 (37...c4 38.Re3-+) 38.Rc1 (38.Rf6 Rd6 39.Rf8 b5-+) 38...b5 39.Rfc3 c4 40.Re1 Rdc7 41.Re6 (41.Kf2 Kd5-+) 41...Kc5 42.Re5 Kb4 (42...Kd4!? 43.Rce3-+) 43.Ree3 Rd7 44.g3 Rd2 45.Re1 (45.Rc1 Rd3 46.Re4 Ka3-+) 45...Rbd7 (better 45...Kc3 46.h3 Kb2-+) 46.Rcc1 (46.Rec1 R7d3 47.Rd3 cd3 48.Rb1 Kc3 49.Rb5 Rc2-+) 46...c3 47.Rb1 Kc4 48.Rec1 (48.Re4 R7d4 49.Re8 Rd1 50.Rd1 Rd1 51.Kf2-+) 48...b4 49.Ra1 b3 50.Ra3 (50.Ra4 Kb5 51.Ra3-+) 50...Kd3 (better 50...c2 51.Ra4 Kc3-+) 51.Rb3 Rc2 (better 51...Rc7-+) 52.Rd1= Rd2 53.Rc1 Rc7 54.Rf1 Kc4 55.Rfb1 (55.Rbb1-+) 55...c2 56.Rb4 Kc3 (better 56...Kd5 57.Rb5 Kd6 58.Rb6 Kd7-+) 57.R1b3 1-0. Jimito100 (1965) - Ranger87 (2360), Hourly Bullet Arena, lichess.org, 2020.

6.e4 b6 7.Nf3 (7.Qc2 a6=+) 7...Bb7 (7...Ne4 8.Bg7 Kg7 9.d4=+) 8.Be2 (better 8.d3=) 8...Na6?? (8...Be4 9.Nc3-/+) 9.Kf1?? (9.ba6 Be4 10.0-0 c5+-) 9...Nd7?? (better 9...Nc5 10.d3 a6=+) 10.Ng5?? (10.Bg7 Kg7 11.ba6 Be4+-) 10...Be5?? (better 10...Bb2 11.Ra2 Bf6 12.ba6 Ba6-+) 11.Nc3?? (11.d4 Bf6 12.ba6 Ba6+-) 11...Bg7?? (11...Bc3 12.Bc3 (worse 12.dc3 Nac5-/+) 12...Nac5 13.d3=) 12.Qc2?? (12.ba6 Ba6 13.Nf3 c5+-) 12...Bc3?? (better 12...Nac5=+) 13.Bf3?? (better 13.Qc3 e5 14.ba6 Ba6 15.Qe3+-) 13...Ndc5 (better 13...Bb2 14.Qb2 Nab8-+) 14.g3?? (14.g3 Bb2 15.Qb2-+; better 14.Qc3 e5 15.ba6 Ba6 16.d4 Qg5 17.dc5 bc5 18.h4+-) 1–0. RichardSommer (2100) – leoaz77 (2100), lichess.org, 2020.

6.e4 c6 7.Nf3 (7.Qe2 Bg4 8.Nf3 d5=) 7...Bg4 (7...Ne4 8.Bg7 Kg7 9.Bd3-/+) 8.Be2 (8.h3 Bf3 9.Qf3 a6=) 8...Nbd7 (8...Ne4 9.Bg7 Kg7 10.0-0=+) 9.0-0 (9.d3 d5=) 9...e5 (9...Ne4!? 10.Bg7 Kg7=+) 10.Nc3= Nc5 11.d3 Nfd7 12.Kh1 (12.Nd2 Be2 13.Qe2 f5+=) 12...Bf3 (better 12...a6=) 13.Qc1?? (better 13.Bf3 a6 14.Bg4=) 13...Nb8 (13...Be2 14.Ne2 Nb3 15.Qd1 Na1 16.Ba1-+) 14.Re1?? (14.Bf3!? Nb3 15.Qe3 Na1 16.Ra1-/+) 14...Qc7 (better 14...Be2 15.Re2 Nb3 16.Qb1 Na1 17.Ba1-+) 15.Qd2? (better 15.Bf3 Nd3 16.Qd2 Ne1 17.Re1-+) 15...Nca6 (15...Nb3 16.Qd1 Be2 17.Qb3-+) 16.Qd1?? (16.Bf3 Nc5 17.Rab1 Nbd7+=) 16...d5?? (better 16...Be2!? 17.Qe2 Nc5 18.Qe3-+) 17.Qb1?? (17.gf3 d4 18.ba6 dc3 19.ab7 Qb7 20.Bc3 Qe7+=) 17...f5?? (better 17...Be2 18.Re2 d4 19.ba6 dc3-+) 18.c5?? (better 18.Bf3!? de4 19.de4+=) 18...h6 (18...Be2 19.ba6 Bh5 20.Nd5 cd5 21.Be5 Be5 22.ab7-+) 19.h3?? (better 19.Bf3 de4 20.Qa2 Kh7 21.de4 Nc5 22.Qc4=) 19...f4 (better 19...Be2 20.ba6 Bh5 21.Nd5 cd5 22.Be5 Be5 23.ab7 Na6 24.ba8R Ra8-+) 20.Nd1?? (better 20.Bf3 Nc5 21.ed5+-) 20…Be2-+ (20...Nc5?! 21.Bf3 d4 22.Ba3-/+) 1–0. RichardSommer (2130) – Edjocc (2105), lichess.org, 2020.

6.e4 Nbd7 7.Nf3 (7.d3 a6=+) 7...e5 (7...Ne4 8.Bg7 Kg7 9.Qe2-/+) 8.Bd3 (8.Nc3 a6=) 8...Re8 (better 8...Nc5 9.Qc2 Bg4-/+) 9.Bf1? (better 9.0-0=+) 9...Ne4-+ 10.h4 (10.Be2 Nec5 11.0-0 e4-+) 10...Re7 (10...Nec5 11.Ng1-+) 11.Nc3 (11.h5 Nec5 12.hg6 fg6-+) 11...Ndf6 (11...Nec5 12.Nd5 Re8 13.Ng1-+) 12.Qc1 (12.Ne4 Ne4 13.h5 Nc5 14.hg6 fg6-+) 12...Bd7 (better 12...Nc5 13.Ra3 a6-+) 13.Bd3? (better 13.Ne4 Ne4 14.h5-/+) 13...Bh3 (better 13...Nc3 14.Ng5 e4-+) 14.Qb1?? (better 14.Be4 Bg2 15.Rg1 Ne4 16.Rg2=) 14...Qb8 (better 14...Nc3 15.Bc3 Bg2-+) 15.Rh2?? (better 15.Be4 Bg2 16.Rg1 Bf3 17.Bf3+-) 15...Nh5?? (15...Nc3 16.Bc3 Bc8-+) 16.Qd1?? (16.Nd5 Re8 17.Be4 Bd7+-) 16...c6?? (better 16...Nc3!? 17.Bc3 e4 18.gh3 ed3 (18...ef3?! 19.Kf1-+) 19.Kf1 Qc8-+) 17.Ng5?? (better 17.Be4 Bd7 18.bc6 bc6 19.Rb1+-) 17...Qf8?? (17...Nc3 18.Bc3 Bd7 19.Be4-+) 18.c5?? (18.Be4 Be6 19.bc6 bc6 20.Ne6 fe6 21.Bc6 Rc8+-) 18...Rd8?? (better 18...Nc5 19.Rh3 Nf4-/+) 19.Nd5?? (19.Be4 d5 20.Nh7 Qe8+-) 19...Nf4?? (better 19...cd5 20.Be4 de4 21.cd6 Red7 22.Rh3 Nf4 23.Ne4 Nh3 24.gh3 f5-+) 20.bc6?? (better 20.Ne7 Qe7 21.Be4+- (21.Rh3?! Nc5 22.Bc4 d5=)) 20...Ng5 (better 20...Nd3 21.Kf1 Nef2-+ (worse 21...Nb2 22.Qc2 Ng5 23.hg5-+; 21...Ndf2?! 22.Qe1 Bf5 23.cd6 Rd6 24.Ne7 Qe7 25.Ne4 Ne4 26.g4-+)) 21.Rc1?? (21.Ne7 Qe7 22.Bf1-+) 21...f6 (better 21...Nd3 22.Kf1 Ree8 23.hg5 dc5 24.Rh3 Nc1 25.Qc1 Rd5 26.cb7 Qe7-+) 22.Bb1?? (better 22.Ne7 Qe7 23.Bf1-/+) 22...b5 (better 22...Nd5 23.hg5 Be6 24.cd6 Rf7-+) 23.cd6 (better 23.Ne7 Qe7 24.gh3+- (24.hg5?! Ng2 25.Rg2 Bg2+=)) 23...f5?? (23...Re6 24.Ne7 (24.gh3?! Qd6 25.Nf6 Bf6 26.hg5 Bg5=; 24.hg5?! Ng2 25.Rg2 Bg2+-) 24...Re7 25.de7 Qe7 26.gh3+-) 24.d7 (better 24.de7 Ng2 25.Rg2 Bg2 26.ef8Q Kf8 27.c7+-) 24...Ne4?? (24...Ng2 25.Rg2 Bg2 26.Ne7 Qe7 27.hg5 Bc6 28.Rc6 Qd7 29.ab5 Qe7+-) 25.Qh5 (better 25.Ne7 Qe7 26.c7 (worse 26.Rh3 Nh3 27.Be4 Nf4+-) 26...Qd7 27.cd8R (27.gh3?! Rc8+=; worse 27.cd8B Ng2 28.Rg2 Bg2 29.Qb3 Kh8 30.Be4 Be4+-; 27.Rh3?! Rc8+-) 27...Qd8 28.gh3 ba4 29.Qc2+-) 25...g5 (better 25...gh5 26.Ne7 Qe7 27.gh3-+) 26.Kd1?? (26.Ne7 Qe7 27.Qf3 Ng2 28.Rg2 Bg2 29.Qg2 ba4 30.Be4 fe4 31.Qe4+-) 26...Ree8 (26...Bg4!? 27.Ke1 Red7 28.cd7 Bh5 29.hg5 Nd5 30.Be4 fe4 31.Rh5-+) 27.Rc3?? (better 27.de8Q Re8 28.Ba3 Bg4 29.Ke1 Bh5 30.Bf8 Kf8 31.hg5 Nd5 32.Rh5 ba4 33.Rh7=) 27...Nf2 (better 27...Nc3 28.Nc3 Nh5 29.de8R Re8 30.Ba2 Kh8 31.Rh3-+) 28.Kc2 (28.Ke1 Nh5 29.de8R Qe8 30.gh3-+) 0–1. RichardSommer (1970) – elisou (1915), lichess.org, 2020.

6.e4 Ne4 7.Bg7 Kg7 8.d4-/+.

6.Nf3 Nbd7 7.g3 e5 8.Bg2 Nh5 9.Ra2 f5 10.0-0 Nc5 11.d4 ed4 12.Bd4 Nf6 13.Nc3 Kh8 14.Nd5 Nd5 15.Bg7 Kg7 16.cd5 Qf6 17.Nd4 Bd7 18.e3 Rae8 19.h4 h6 20.a5 g5 21.h5 f4 22.b6 cb6 23.ab6 a6 24.Qa1 Re5 25.Rc2 Bf5?? (25...Bg4 26.Rc3=+) 26.Nf5?? (better 26.ef4 gf4 27.gf4 Rd5 28.Bd5 Bc2 29.Nc2 Qa1 30.Ra1 Rf4 31.Ne3+-) 26...Qf5 27.Rc4 f3 (27...fe3 28.fe3 Qd3 29.Rf8 Kf8 30.Rc3-/+) 28.Bh1 (28.Bf3 Nb3 29.Rc7 Kh8+/-) 28...g4 29.Qd4 (29.Rf4 Qh5 30.Qd4 Rff5 31.Rg4 Kh7=) 29...Kh8 (better 29...Ne4!? 30.Rfc1 Qh5 31.Rc7 Kg6-/+) 30.Qg4= Qg4 (worse 30...Rd5 31.Qf5 Rdf5 32.Rd1+/-) 31.Rg4 Rh5 32.e4 (32.Rd1 Nd7+=) 32...Rg5 33.Rh4 Kg7 34.Re1 (34.Rc1 Re5=) 34...Nd7 (better 34...Rg3! 35.fg3 f2 36.Kf1 fe1R 37.Ke1 Nd7-/+) 35.Rc1 Nc5? (35...Nb6 36.Rc7 Kg6 37.Kf1=) 36.Kf1 (36.Rc3!?+/-) 36...Rf7 37.Rf4 Rf4 38.gf4 Rg4 39.Bf3 (39.e5 Nb3 40.Bf3 Rg1 41.Kg1 Nc1 42.f5+-) 39...Rf4= 40.Ke2 Kf6 41.Ke3 Rh4 42.Bg2 Rg4 43.Bh1 Rg7 44.f4 Rg3 (better 44...Na4!?=) 45.Bf3+/- Rh3 46.e5! Ke7 (46...de5 47.Rc5 Deflection (47.fe5 Passed pawn)) 47.Rc5?? (better 47.f5 Nd7 48.f6 Kd8 49.f7 Rf3 50.Kf3 Ne5 51.Ke4 Nf7 52.Rc7+-) 47...dc5= 48.d6 Kd7 49.f5?? (49.Ke4 Rf3 50.Kf3-/+) 49...a5-+ 50.f6 Ke6 51.Ke4 Rf3! 52.Kf3 a4 53.Kf4 a3 54.f7 Kf7 55.Kf5 a2 56.e6 Ke8 57.Kg6 a1Q 58.d7 Ke7 59.d8Q Kd8 60.Kf7 (60.Kf5 Qd4 61.e7 Ke7 62.Kg6 Qg4 63.Kh6 Kf6 64.Kh7 Qg7) 60...Qf1 61.Kg8 (61.Kg7 Ke7 62.Kg6 Qf6 63.Kh7 Qg5 64.Kh8 Kf6 65.e7 Qg7) 61...Ke7 62.Kh7 Qf6 63.Kg8 Qg6 64.Kh8 Kf8 (64...Kf6 65.e7 Qg7) 65.e7= Ke7 ½-½. is_er_nog_hoop (2540) - Phuzer (2515), Rated blitz game, lichess.org, 2019.

6.Nf3 e5 7.e3 e4 8.Nd4 Nbd7 (8...Bg4 9.f3 ef3 10.Nf3+= (worse is 10.gf3 Ne4 11.fg4 Qh4 12.Ke2 Qg4 13.Ke1 Qh4 14.Ke2 Bf6+=)) 9.Be2= Nc5 (9...Ne5 10.f4 Nd3 11.Bd3 ed3 12.0-0=) 10.0-0 Re8 (10...a6 11.f3=) 11.f4 (11.f3 ef3 12.Bf3 Nd3=) 11...ef3 (11...Ne6 12.a5=) 12.Bf3 Nd3 13.Bc3 Ne5 14.Be2 Ne4 15.Bb2 Nc5 (15...c5 16.bc6 bc6 17.Nc3=) 16.Qc2+= Bd7 (16...Qg5 17.Nc3=) 17.Nc3 c6 18.Nf3 (better is 18.a5!?+=) 18...Bf5+= 19.Qd1 Ncd3 (19...Ned3 20.Ra2-/+) 20.Ne5+= Nb2 (worse is 20...Ne5 21.d4 Nd7 22.e4 Be4 23.Ne4 Re4 24.Bf3+=) 21.Qb3 de5 (21...Na4 22.Qa4 de5-/+ (22...Re5?! 23.bc6 bc6 24.Qc6=)) 22.Qb2+= e4 23.Qc2 (23.a5 a6+=) 23...Be5 (23...Qd7 24.Rad1+=) 24.g3 (24.bc6 bc6 25.Rab1 Qc7+=) 24...Qd6 (24...Be6 25.a5+= (25.Qe4? Bf5 26.Qf3 Qd2-+; worse is 25.Ne4 Ba1 26.Ra1 Bf5-/+)) 25.Rf2 (25.Rad1 Bg3 26.d4 Bh2 27.Kh1 Qg3-+) 25...Rad8 26.Bf1 (26.Ra2 Qe6+=) 26...Qe7 (26...h6 27.Rb1+=) 27.Re1 (27.Rb1 Bg7+=) 27...h5 (27...Qe6 28.Rb1+= (28.Ne4? Be4 29.Qe4 Bg3-+)) 28.Bg2 Pawn e4, live or die! (28.Ne4? Be4 29.Qe4 Bg3-+) 28...Bg7 (28...h4 A) 29.Be4 hg3 30.hg3 Bg3 31.Bf5 Bf2 32.Kf2 Qh4 (32...gf5?! 33.Rh1-/+) 33.Kf1 Qh1 (33...gf5?! 34.Ne2-+) 34.Kf2 Rd2 35.Qd2 Qh2 36.Kf1 Qd2-+; B) 29.Ne4 hg3 30.hg3 Bg3 31.Rf5 Be1-+; C) 29.g4 Bg4 30.Ne4+= (30.Qe4? Qg5-+)) 29.Ne2 (29.Rf4 cb5 30.ab5 Be5=) 29...Qb4 Exerts pressure on the backward pawn (29...h4 30.Ref1+=) 30.Nf4= Rd6 (30...cb5 31.ab5 Qc5 32.Rc1=) 31.Nh5 (31.c5 Rf6 32.Rb1 Qa3=) 31...gh5 32.Rf5 (32.bc6 bc6 33.Rf5 Rd2+= (worse is 33...Qd2 34.Qd2 Rd2 35.Rh5=)) 32...Rd2+= (worse is 32...Qd2 33.Qd2 Rd2 34.Rh5=) 33.Qc1 h4 (33...Bb2 34.Qb1 Qc4 35.Rg5 Kf8 36.bc6 bc6 37.Rh5 Qa4-/+) 34.Rf2 (better is 34.Rg5!?+=) 34...Rf2-/+ 35.Kf2 hg3 36.hg3 Qa4 37.Bf1 (37.bc6 bc6 38.Rd1 Qa2 39.Rd2 Qa5-/+) 37...Rd8 38.Be2 Qb4 (38...a5 39.Rd1 Rd1 40.Qd1 Qd1 41.Bd1 cb5 42.cb5-/+) 39.Rd1 (39.Qc2 f5-/+) 39...Qe7 40.Rd8 Qd8 41.Qh1 (41.Qa3 Qf6 42.Kg2 cb5 43.cb5 Qb6-/+) 41...Qf6-+ 42.Kg1 Qe5 43.Kf2 a5 44.ba6 ba6 45.Qd1 Qf6 46.Kg2 Qg5 47.Qb3? (47.Qd7 Be5 48.Bg4-/+) 47...Be5 48.g4 (48.c5-+) 48...Qh4 49.Qc2 Qh2 50.Kf1 Bg3 51.Bd1 (51.Bf3 Qc2 52.Be2 Qc1 53.Kg2 Qe3 54.g5 Qf2 55.Kh3 Qh2 56.Kg4 Qh4 57.Kf5 Qf4) 51...Qh1 (51...Qh1 52.Ke2 Qg2) 0–1. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

6.Nf3 e5 7.g3 e4 8.Nd4 Ng4 9.Ra2 Qf6 10.f4 ef3 11.Nf3 Qe7 12.Bg7 Kg7 13.Qc2 Nd7 14.Qc3 Nge5 15.h4 Nf6 16.Ne5 de5 17.Bg2 Bf5 18.Na3 Rad8 (18...Be4 19.Be4 Ne4 20.Qf3=) 19.Nc2 (better 19.Bb7!? Rd4 20.Nc2+/-) 19...Qc5 20.Ne3 (worse 20.Bb7 Be4 21.Be4 Ne4-+) 20...Be4 21.0-0 (better 21.Bf3!?=+) 21...Bg2-/+ 22.Kg2 Ne4 23.Qc1 (23.Qa3 Qa3 24.Ra3 Rd2-/+) 23...Nd2 (23...Rd2 24.Rd2 Qe3 25.Rd5 Qg3 26.Kh1 Qh4 27.Kg1 Qg4 28.Kh2 Qe2 29.Kg1 Qg4 30.Kh2-+) 24.Rd2 (24.Nf5!? gf5 25.Rd2-/+) 24...Qe3-+ 25.Rd8 Qc1 (25...Qe2!? 26.Rf2 Qe4 27.Kh2 Rd8 28.Qg5-+) 26.Rc1-/+ Rd8 27.c5 Rd4 28.a5? (better 28.c6!? bc6 29.Rc6 Ra4 30.Rc7-/+) 28...Rb4-+ 29.b6 ab6 30.c6? (30.ab6 cb6 31.cb6 h5-+) 30...bc6 (better 30...ba5 31.cb7 Rb7 32.Rc4-+) 31.a6 Ra4 32.Rc6 Ra6 33.Rc7 Ra2 34.Kf3 Rb2 35.e4 b5 36.Rb7 b4 37.h5 (37.Rb5 Rb1 38.Re5-+) 37...gh5 38.Re7 Kf6 39.Rb7 b3 40.Rb6 Kg5 41.Rb7 (41.Rb5 f6-+) 41...Kg6 (better 41...Rb1!? 42.Rb5 b2 43.Kg2-+) 42.Rb6 f6 43.Rb7 Rb1 44.Kg2 b2 45.Kh2 f5 46.Rb6 Kg5 47.ef5 Kf5 48.Kg2 e4 49.Rb5 Ke6 50.Rb4 e3 51.Re4 Kf5 52.Re3 Rc1 53.Rf3 Kg5 54.Rb3 b1Q (54...b1Q 55.Rb1 Rb1-+) 0-1. is_er_nog_hoop (2625) - piotr35 (2705), Rated blitz game, lichess.org, 2020.

6.h3 Bd7 7.e3 c6 8.a5 cb5 (8...a6 9.b6=) 9.cb5= Be6 10.Nf3 Nbd7 11.Ng5 Nc5 12.Ne6 Ne6 13.d4 d5 14.Bd3 Re8 15.f4 (15.0-0 Qd7+=) 15...Qc7 (15...a6 16.0-0=) 16.0-0+= White plans f5 16...Rac8 17.Nc3 Qd8 18.f5 Ng5 19.h4 (19.a6 b6+-) 19...Nge4+= 20.Ra3 (20.Be4 de4 21.a6 b6+=) 20...Bh6 (better 20...Ng3 21.fg6 Nf1 22.gh7 Nh7 23.Qf1 Nf6=) 21.g4?? (better 21.Ne4 de4 22.Bb1+=) 21...Nc3 (better 21...Qd6 22.Rf3 Ng4-+) 22.Bc3? (22.Rc3 Be3 23.Kh1 Rc3 (worse 23...Qa5 24.Qe1 Qa2 25.fg6 Qb2 26.gf7 Kf7 27.Rc8 Qd4 28.Re8 Ke8 29.Bf5=+) 24.Bc3 Qc7-/+) 22...Be3?? (better 22...Qd6 23.g5 Qa3-+) 23.Kg2-/+ Qd6 24.Qb3?? (better 24.Rb3=+) 24...Ng4-+ 25.Kf3 Qf4 26.Ke2 Qh2 27.Kf3 (27.Kd1 Bf4 28.Rf4 Ne3 29.Ke1 Qf4-+) 27...Qh3 (better 27...Bf4 28.Qc2 Qh3 29.Ke2-+) 28.Ke2 Qh2 (28...Bh6 29.Be4 Qe3 30.Kd1 Qe4 31.fg6 Ne3 32.Ke2 Nc2 33.Kf2 fg6 34.Kg3-+) 29.Kf3 Qh3 (better 29...Bf4 30.Qc2 Qh3 31.Ke2-+) 30.Ke2 Qg2 (30...Bh6 31.Be4 Qe3 32.Kd1 Qe4 33.fg6 Ne3 34.Ke2 Nc2 35.Kf2 fg6 36.Kg3-+) 31.Kd1 Nf2 32.Ke2 (32.Rf2 Qf2 33.fg6 hg6 34.Qb2 Qg1 35.Kc2 Bd4 36.a6 Rc3 37.Rc3 Qg2 38.Kb1 Qb2 39.Kb2-+) 32...Nd3 33.Kd3 (33.Ke3 e5! 34.Kd3 Qf1 35.Ke3 ed4 36.Kd2 Re2 37.Kd3 Qf3 38.Kd4 Qe4) 33...Bd4! 34.Kd4 Decoy theme: d4 (34.Bd4 Qf1 Eliminates the defender f1) 34…Qe4 The nicest combinations are those leading to mate 0–1. hamiltonharris (1830) – bluesman16 (2015), ChessWorld.net, 2015.

6.Nc3 a6

7.e3 ab5 8.ab5 Ra1 9.Qa1 Bd7 10.Nf3 Bc8 (10...e5 11.Be2=) 11.Be2 Nbd7 12.0-0 e5 13.d4 ed4 14.Nd4 Re8 15.Bf3 Nc5 16.Rd1 Nfe4 (16...Ng4!?=) 17.Ne4+- Ne4 18.h3 (18.b6+=) 18...c5? (better 18...Qh4!? 19.Be4 Qe4=) 19.bc6+- bc6 20.Nc6 Qb6? (better 20...Bb2 21.Qb2 Qc7+-) 21.Bg7 Qc6 22.Bh8 f6 23.Bf6 (better 23.Be4!? Qe4 24.Qf6 Qe7 25.Rd6 Qf6 26.Bf6 Kf7+-) 23...Nf6?? (23...Qc4 24.Rd4 Qc2 25.Be4 Re4 26.Rd6 Re8+-) 24.Bc6 (24.Bc6 Rf8 25.Rd6+-) 1–0. BeepBeepImAJeep (2550) – JORJUEMA (1940), lichess.org, 2018.

7.e3 e5 8.Qf3=+.

7.e3 Bf5 8.Nf3 Nbd7 (8...ab5 9.ab5 Ra1 10.Ba1=) 9.d3 (9.Nd4 Bg4 10.f3 e5=) 9...e5 10.Nd2 (10.Be2 ab5 11.ab5 Ra1 12.Qa1 Nc5=) 10...Nc5=+ 11.Be2 (better 11.Nf3!?=+) 11...Nd3-+ 12.Bd3 Bd3 13.Nb3 (13.Qf3 ab5 14.cb5 d5-+) 13...Bc4 (better 13...e4-+) 14.Nc1? (better 14.Na5 ab5 15.ab5-+) 14...ab5 15.ab5 Ra1 16.Ba1 Qd7 17.Qa4 (17.N1e2 Bb5 18.Nb5 Qb5-+) 17...Qg4 18.g3 (18.Rg1 d5-+) 18...Qf3 19.Rg1 Ng4 20.N3e2 (20.Qc2 Nh2 21.Ne4 Bb5 22.Nd2-+) 20...Qf2 21.Kd2 Qe3 22.Kd1 Qc5 (better 22...Bh6 23.Kc2 Be2 24.Ne2 Qe2 25.Kb1 Qh2 26.Rd1 Qg3 27.b6-+) 23.Re1 (23.h3 Qd5 24.Ke1-+) 23...Nf2 24.Kd2 Bh6 (24...Bh6 25.Nf4 ef4-+) 0–1. Ranigad – Wall,Bill, chess.com, 2008.

7.Nf3 ab5 8.ab5 Ra1 9.Qa1 c6=.

7.Nf3 e5=+.

6.e3 a5

7.Nc3 e5 8.Nf3 Bg4 9.Be2 Nbd7 10.0-0 Re8 11.d4 b6 (11...Rb8!?=) 12.h3+= Bf5 13.Rc1 (13.g4 ed4 14.ed4 Be4+-) 13...Ne4+= 14.Ne4 Be4 15.Nd2 Bb7 16.Bf3 Bf3 17.Nf3 Qe7 18.Ba3 Qf6 19.de5 Ne5 20.Ne5 Qe5 (20...Re5? 21.Bb2 Qe6 22.Be5 Be5 23.Qd5+-) 21.Rc2 Rad8 22.Bb2 Qe4 23.Bg7 Kg7 24.Rd2 Re6 (24...Qc4 25.Qa1 f6 26.Rc1=) 25.Qa1 Qe5 26.Rd4 Rde8 27.Rfd1 f5 28.Rf4 (28.Qc1 Kg8=) 28...Qa1= 29.Ra1 Re4 30.Re4 Re4 31.Rc1 Kf6 (31...f4 32.ef4 Re2 33.Ra1=+) 32.Kf1= Re5 33.Ke2 Rc5 34.Kd3 d5 (34...h6 35.Rd1=) 35.Rc3+= Rc4 (35...Ke7 36.cd5 Rd5 37.Kc2+=) 36.Rc4+- dc4 37.Kc4 Ke6 38.Kd4 Kd6 39.f3 c6 40.e4?? (better 40.bc6 Kc6 41.Kc4+-) 40...cb5 (better 40...fe4 41.fe4 cb5 42.ab5 a4-/+) 41.e5? (41.ab5!? fe4 42.fe4-/+) 41...Ke6-/+ 42.ab5 The passed pawn on a5 will quickly become a dangerous weapon 42...f4 43.Ke4 a4 44.Kd4 a3 45.Kc3 Ke5 46.Kb3 Kd4 47.Ka3 Kc4 (better 47...Ke3 48.Kb4 Kf2 49.Kc4 Kg2 50.Kd5 Kf3 51.Kc6-+) 48.Ka4 (48.h4-+) 48...Kc5 49.Kb3 Kb5 50.Kc3 Kc5 51.Kd3 Kd5 52.Kc3 b5 53.Kd3 Ke5 (53...b4 54.h4-+) 54.h4 h6 55.Kc3 g5 56.h5 Kd5 57.Kd3 (57.Kb4 Kd4 58.Kb5 Ke3-+) 57...Kc5 (57...b4 58.Kc2 Kd4 59.Kb3-+) 58.Kc3 (58.Ke4 b4 59.Kf5 Kd5-+) 58...b4 59.Kb3 Kb5 60.g3 (60.g3 fg3 61.Kc2-+). BeepBeepImAJeep (2545) – par40 (2165), lichess.org, 2017.

7.Nf3 c6 8.Be2=.

7.Nf3 e5 8.d4 Nbd7 (8...e4 9.Nfd2=) 9.de5 (9.Be2 Re8=) 9...Ng4 10.Be2 Nge5 (10...Nde5 11.Ne5 Ne5 12.0-0=) 11.Nd4 (11.Bd4 Nb6=) 11...Nb6=+ 12.Nd2 Qg5 13.g3 Bg4?? (13...Qe7 14.0-0=) 14.Qc2?? (better 14.f4 Qh6 15.fe5 Qe3 16.c5 dc5 17.N4f3+-) 14...Be2=+ 15.Ne2 Nd3 16.Qd3 Bb2 17.Ra2 Bg7 18.0-0 f5 (18...Rfe8 19.Nf4=) 19.Nf4 Qe7 (19...Rf7!?=) 20.Nd5+= Qd8 (20...Nd5 21.Qd5 Qf7 22.Qb7+-) 21.Nb6+- cb6 22.Qd5 Rf7 23.f4 (23.Ra3 Qc7+-) 23...Qc7 (23...Rc8 24.e4+=) 24.Nf3 (24.Ra3 Re8+=) 24...Qc5 25.Qd3 (25.Ng5 Qd5 (25...Qe3? 26.Rff2 Qe7 27.Rae2+-) 26.cd5 Re7+=) 25...Re8 (25...Rc7 26.Rc2=) 26.Re1 (26.Re2 Rc7=) 26…Ree7 (26...Rc7 27.Nd2=) ½–½. Weber,Krzysztof(+) – Gajda,Leszek, corr 2AMM Poland, 1993.

7.Nf3 e5 8.Be2 Nbd7 9.0-0 Re8 10.d4 e4 11.Nfd2 c6 12.Nc3 d5 13.Qb3 Nf8 14.Rac1 Re6 (14...Be6 15.Ba3+=) 15.bc6 bc6 16.cd5 (16.Ba3 Ba6+=) 16...cd5 17.Nb5 Re7 18.Ba3 Rd7 19.Qc3 Ne6 20.f4 (20.Nb3 Ba6+-) 20...ef3+= 21.Bf3 Ng5 22.Rce1 (22.Qd3 Nf3 23.Nf3 Ba6=) 22...Ba6 23.Nb3 (23.Be2 Nge4 24.Qb2 Nd2 25.Qd2 Ne4=) 23...Nfe4 (23...Nf3 24.Rf3 Ne4 25.Qd3=+) 24.Qc2 (24.Qd3 Rb8=) 24...Rc8 25.Nc5 Bf8 26.Rc1 (26.Be4 Ne4 27.Rc1 Bc5 28.dc5 Rb7=+) 26...Bb5 (26...Nc5 27.dc5 Ne6 28.Qf2 Bc5 29.Bc5 Nc5 30.Qa2-/+) 27.ab5= Qb6?? (better 27...Nc5 28.dc5 Ne6=) 28.Nd7+- (28.Nd7 Rc2 A) worse 29.Rc2 Qb5 (29...Nf3? 30.Rf3 Qb5 31.Nf8 Qb1 32.Rc1+-) 30.Rc8 A1) worse 30...Nf3 31.gf3 Nd2 32.Rf2+- (32.Rf8?! Kg7 33.Rf2 Nc4+-); A2) 30...Qd7 31.Rf8 Kg7 32.Be4 Ne4=+ (32...de4 33.Ra8 Qb7 34.Bf8 Kg8 35.Re8+-); B) 29.Nb6 Nf3 30.Rf3 Rc1 31.Bc1+-; worse 28.Be4 Bc5 29.Bc5 Qe6+-) 1–0. BeepBeepImAJeep (2630) – econochess (2315), lichess.org, 2017.

7.Nf3 Re8 8.Be2 e5 9.0-0 Nbd7 10.d4 e4 (10...ed4 11.Bd4 Nc5 12.Nc3=) 11.Nfd2 h5 (11...c5 12.Nc3=) 12.Nc3+= Nf8 13.Re1 h4 14.f4 ef3 (14...Qe7 15.Rb1+=) 15.Bf3 N8h7 16.Rc1 (16.e4 h3+=) 16...Ng5 17.e4 Nf3 18.Qf3 Bg4 (18...h3 19.gh3 Nd7 20.Nb3=) 19.Qf2 (better 19.Qf4+=) 19...Qd7? (better 19...h3=) 20.Qh4+- b6 (20...Qe7!? 21.Ncb1 Be6+-) 21.h3 Bh5 22.g4 (22.Nb3!? Rad8+-) 22...Ng4+- 23.hg4 Bd4 24.Kg2 Bg4 25.Rc2 Kg7 (better 25...f5!?+-) 26.Nd5+- Bb2 27.Rb2 Rh8? (27...Re5+-) 28.Qf6 Kg8 (28...Kh7 29.Rh1 Bh5+-) 29.Ne7 Kf8 (29...Qe7 30.Qe7 Rc8+-) 30.Ng6 (30.Ng6 Ke8 31.Qh8) 1–0. BeepBeepImAJeep (2575) – FlowSpirit (2175), lichess.org, 2018.

6.e3 a6

7.Nc3 ab5 8.ab5 Ra1 9.Qa1 e5 10.Nf3 Re8 11.d4 Nbd7 12.Be2 e4 (12...ed4!? 13.Nd4 Nb6=) 13.Nd2+= Nf8 14.0-0 Bf5 15.Rc1 h5 16.c5 (16.Qa7 Qc8+-) 16...N8h7 (better 16...dc5!? 17.Nb3 cd4 18.Nd4 Bg4=+) 17.Rd1 h4 18.b6 cb6 19.cd6 Qd6 (19...h3 20.Bb5 Bd7 21.Qb1+=) 20.Nb5 (20.Nc4 Qb8+=) 20...Qd7 Black plans h3 21.Qa3 (21.h3 Rc8=) 21...Bf8 22.Qb3 Ng5 Black prepares the advance h3 (22...Be6 23.Nc4 h3=) 23.Nf1 (better 23.d5!? Bg4 24.Bg4 (worse 24.Bf6 Be2 25.Rb1 Qg4-/+) 24...Ng4 25.h3+=) 23...h3 (23...Bg4 24.Nc3 Bf3 25.gf3 ef3 26.Bf3 Nf3 27.Kh1 Qg4-+) 24.g3? (better 24.d5 Bg4 A) 25.Bf6? Be2 26.Bg5 Qg4-+ (26...Qb5?! 27.Qb5 Bb5 28.Ng3=+; 26...Bb5?! 27.Rc1-+; 26...Bd1?! 27.Qd1 Qb5 28.f4-+); B) 25.Ng3 Be2 26.Ne2=+) 24...Bg4-+ Black gets strong initiative 25.Qc2 Nf3 (25...Qf5 26.Bc3 Be2 27.Qe2-+) 26.Bf3 Bf3 (26...ef3?! 27.d5=; 26...Qb5?! 27.Bg4 Ng4 28.d5=+) 27.Rb1 (27.Nc3 Bd1 28.Qd1-+) 27...Qg4 (better 27...Qb5 28.Ba3 Qd3 29.Qd3 ed3 30.Bf8 Kf8-+) 28.Nd2-/+ Be2 29.Nc3 (29.Nc7 Rc8 30.Qc3-+) 29...Bd3 30.Qd1 Bb1 31.Qb1 Bb4 32.Qc2 (32.Qf1 Bc3 33.Bc3 Rc8-+) 32...Rc8 (better 32...Bc3 33.Bc3 Qe2 34.Qc1-+) 33.Qb3 (33.f3 Qe6 34.Ndb1 ef3 35.Kf2-+) 33...Bc3 34.Bc3 (34.f3 Qg5 35.Nf1 ef3-+) 34...Qe6 (34...Qe2 35.d5 Ng4 36.Nf3 Qf2 37.Kh1 Qg2) 35.Qb2 (35.d5 Qf5 36.Qc2 Nd5 37.Qe4 Nc3 38.Qf5 gf5 39.Kf1-+) 35...Nd5 36.Bb4 (36.Nf3 Rc3 37.Ne1 Qc6-+) 36...Qc6 (36...Nb4 37.f3 Nd3 38.Qb1-+) 37.Ba3 Qc3 38.Nf1 (38.Qc3 Rc3 39.Ne4 Ra3-+) 38...Qb2 39.Bb2 Rc2 40.Ba3 Ra2 (better 40...b5-+) 41.Bd6 (41.Bc1 Nc3 42.Nd2 Rc2-+) 41...Ra1 (41...Nc3 42.Nd2 Ra1 43.Nf1 Ne2 44.Kh1 Rf1) 42.g4-+ Nc3 (42...b5!? 43.f3 Ne3 44.Kf2 Nf1 45.fe4-+) 43.f3 ef3 44.Kf2 Ra2 (better 44...Ne4 45.Kf3 Nd6-+) 45.Kf3 Nd5 (45...f5 46.gf5 gf5 47.Ng3 Rh2 48.Nf5-+) 46.Ng3? (better 46.e4 Nc3 47.g5-+) 46...Rh2 47.Be5 (47.e4 Nc3 48.d5 Rc2-+) 47...Rg2 (47...f6 48.Bd6-+) 48.Ne4 (48.e4 Nb4 49.Nf1-+) 48...Ne7 (better 48...b5 49.Nf2 b4 50.Bd6-+) 49.Nf6? (better 49.Nf2-+) 49...Kf8 50.Nd7 (50.Bf4 Kg7 51.Ne8 Kh8 52.Be5 Kh7 53.Nf6 Kh6-+) 50...Ke8 51.Nf6 Kd8 52.Ne4 Nc6 (better 52...f5 53.Nf2 fg4 54.Ng4-+) 53.Ng5?? (better 53.Bf6 Kd7 54.Nf2-+) 53...Ne5 54.de5 Ra2 (better 54...b5 55.Nh3 b4-+) 55.Nh3 Ra3 (55...Ke7 56.Nf4-+) 56.Nf4 (56.e6 fe6 57.Nf4 b5 58.Ne6 Ke7-+) 56...Ke7 57.e6 (57.g5 b5 58.e6 b4-+ (58...fe6?! 59.Ng6 Kd6 60.Kf4-+)) 57...fe6 (57...g5 58.Ne2 Ke6 59.Nd4 Ke5 60.Nb5-+) 58.Ke4? (58.Ng6 Kf6 59.Nf4 b5 60.g5 Kg5 61.Ne6 Kg6-+) 58...Kd6 (58...Ra4!? 59.Kf3 Kf6 60.Nd3-+) 59.Ng6 Rb3 (59...Ra4 60.Kf3 b5 61.Nf4-+) 60.Kf3 (60.Nf4 Rb5-+) 60...Rb4 (60...b5 61.g5-+) 61.Nh8 (61.g5-+) 61...Rb3?? (61...b5 62.Nf7 Ke7 63.Ng5-+) 62.Nf7?? (62.Ng6 b5 63.g5-+) 62...Ke7-+ 63.Ng5 (63.Ne5 b5-+) 63...b5 64.Ne4 Rb2 65.Nc5 Rb3?? (better 65...b4 66.Nd3 Rb1-+) 66.Nd3 (better 66.Nb3 Kf6 67.Kf4+-) 66...Ra3 (better 66...Rd3 67.Ke4 Rd8-+) 67.Ne5 (67.Ne1 Rc3 68.Ke2 b4-+) 67...Rc3 (67...b4!? 68.Ke2 b3 69.Nc4-+) 68.Ng6 (68.Ke4-+) 68...Kd6 69.Nf4 (69.Ke2-+) 69...Kc5 (better 69...b4 70.Ke2 b3-+) 70.Ne2 (better 70.Ne6 Kd5 71.Nd4-+) 70...Kb4?? (better 70...Ra3 71.g5 b4-+) 71.Nc3= Ka3?? (better 71...Kc3 72.g5 b4=) 72.Nb5 (72.Nb5 Kb4 73.g5 Kb5 74.g6+-; 72.g5 b4 73.Ne4 b3+-) 1–0. BeepBeepImAJeep (2550) – FlowSpirit (2195), lichess.org, 2018.

7.Nc3 ab5 8.cb5 c5 9.Nf3 b6 (9...d5 10.d4=+) 10.Be2= Bb7 11.0-0 Nbd7 12.Qc1 e6 13.d4 Nd5 14.dc5 (14.Qc2 Rc8=) 14...dc5 (14...Nc5!? 15.Nd5 Bd5 16.Bg7 Kg7=+) 15.Nd5 Bd5 16.Bg7 Kg7 17.Rd1 Qc7 18.h3 f6 19.Nd4 (19.Qc2 Ne5+=) 19...f5 (19...Ra7 20.e4 cd4 21.Qc7 Rc7 22.ed5=+) 20.Nc6 (20.Bf3 Rfe8+=) 20...Kf7 (20...Bc6 21.bc6 A) 21...Qc6?? 22.Bb5 Qe4 23.Rd7 (worse 23.Bd7 e5+-) 23...Kh6 24.Qc3+-; B) 21...Ne5=) 21.Bf3+= Bf3?? (21...Bc6 22.Bc6 Rad8+=) 22.gf3 (22.Rd7 Qd7 23.Ne5 Ke8 24.Nd7 Kd7 25.gf3 Kd6+-) 22...Rfe8?? (22...Nb8 23.Nb8 Rfb8 24.Qc4=) 23.Qd2 White prepares the advance a5 (better 23.Rd7 Qd7 24.Ne5 Ke7 25.Nd7 Kd7 26.a5+-) 23...Ne5 24.Ne5 Qe5 25.Qd7 Re7 26.Qc6 Rb8 27.a5 ba5 28.Ra5 Rbb7 (better 28...Qc7!? 29.Ra6 Qb7=) 29.b6+/- Qc3 (29...Qf6 30.Rc5 e5 31.Rd6 Qg5 32.Kf1+-) 30.Rc5 Qb3 31.Rcc1?? (better 31.Rd6+-) 31...Rb6 32.Qc5 Rbb7 33.Rd8 Qa4 34.Qe5 Qh4?? (better 34...Re8 35.Rd4 Qa3 36.Rc7 Rc7 37.Qc7 Re7=) 35.Qh8+- Rec7 (35...Qh6 36.Rcc8 e5 37.Rf8 Qf8 38.Qf8 Ke6 39.Rc6 Kd5 40.Qf6 Rb1 41.Kg2 Rg1 42.Kg1 Rd7 43.Qe6) 36.Qg8 (36.Qf8) 36...Ke7?? (better 36...Kf6 37.Qf8 Rf7 38.Qh8 Kg5=) 37.Qf8 1-0. brucepeng (2040) - irvanparungpanjang (2035), lichess.org, 2021.

7.Nc3 e5 8.Nf3 Bf5 9.Be2= Re8 10.0-0 Nbd7 11.d4 e4 (11...c5!?=) 12.Nd2 (12.Nh4 Be6 13.d5 g5 14.de6 fe6+-) 12...h5 13.Qb3 Nf8 (13...c5 14.a5+=) 14.Rac1 (14.a5 h4+=) 14...N8h7 15.Nd5 Nd5 16.cd5 h4 17.Qc4 (17.ba6 ba6 18.Rc6 Qg5+=) 17...Re7 (17...Qg5 18.Kh1 h3 19.g3=) 18.f3 (better 18.ba6!? Ra6 19.Qb3=) 18...ef3=+ 19.Rf3 Ng5 20.Rf4 (20.Rf2 ab5 21.ab5 Re3 22.Qc7 Qc7 23.Rc7 Ra2-+) 20...Re3-/+ 21.Nf1 (21.Bg4 Bg4 22.Rg4 Qe7 23.ba6 Ra6-+) 21...Re7 (21...Re8 22.ba6 Ra6 23.Bd1-+) 22.Bd3 (22.Rh4 Nh7 23.g4 Be4-/+) 22...Bd3 23.Qd3 f5 (23...h3!?-/+) 24.Rh4 Ne4 25.Rf4? (25.Rc2 Qd7-/+) 25...Qe8 (25...Bh6 26.Rh4 Bg5 27.Rh3 Bc1 28.Bc1 ab5 29.Qb5-+) 26.Re1? (better 26.Rc2!?-/+) 26...ab5-+ 27.ab5 Qf7 (27...Nf2 28.Rf2 Re1 29.Qc4-+) 28.Qc4? (28.Ne3 Nf6-/+) 28...Rae8 (28...Bh6!? 29.Bc1 Bf4 30.Bf4-+) 29.Rd1 (29.Bc1 Qf6 30.Rd1 g5-/+) 29...Bh6 (29...Nf6!? 30.Ra1-+) 30.Rf3-/+ Ng5 (30...Nf6 31.Bc1 Bc1 32.Qc1 Nd5 33.Ra3-/+) 31.Rf2 Re1 (31...Nh7 32.Ra1-/+) 32.Re1 (32.Rc1 Bg7=+) 32...Re1 33.Bc1?? (better 33.b6 cb6 34.Qc3=+) 33…Rc1!-+ (33...Rc1 34.Rc2 Rc2 35.Qc2 Qd5 36.Qc7 Qd4 37.Kh1 Qd1 38.Qc4 Nf7-+) 0–1. BeepBeepImAJeep (2710) – Bakayoyo (2720), lichess.org, 2020.

7.Ne2 e5 8.Ng3 Nbd7 9.Qc1 Nc5 10.Nc3? Be6?? (10...Nb3 11.Qc2 Na1 12.Ba1 ab5 13.cb5-+) 11.Kd1?? (better 11.Qc2=+) 11...Bd5?? (better 11...Ng4!? 12.Ke1 Nb3 13.Qc2 Na1 14.Ba1 ab5 15.cb5-+) 12.f4?? (12.cd5 Nb3 13.Qc2 Na1 14.Ba1 Ng4+/-) 12...Nce4?? (better 12...Nb3 13.Qb1 Na1 14.Nd5 Nb3-+) 13.Nce2?? (better 13.Nd5!? Nf2 14.Ke1 Nh1 15.Nh1 Nd5 16.cd5 ab5 17.Bb5 ef4 18.Bg7 Kg7 19.Nf2+/-) 13...Nh5 (better 13...Nf2 14.Kc2 Bc4 15.ba6 Bd3 16.Kb3 Nh1 17.Nh1-+) 14.Qc2? (better 14.Ne4 Be4 15.Ng3 Ng3 16.hg3=+) 14...Nc5?? (better 14...Nf2 15.Ke1 Nh1 16.cd5 N1g3 17.hg3 ab5 18.ab5 Ra1 19.Ba1 ef4 20.Bg7 Kg7 (worse 20...Ng7 21.gf4 Qe7 22.Qa4-+) 21.Nf4 Ng3-+) 15.Nh5?? (better 15.cd5 Nf6 16.ba6 Na6 17.Qc4+-) 15...Nd7?? (better 15...Be4 16.Qc3 gh5=+) 16.fe5 (better 16.Ng7 Bc4 17.Qc4 ab5 18.Qb5 Kg7 19.fe5 de5 20.Be5 Ne5 21.Qe5 f6+-) 16...Qb8 (16...Bc4 17.Ng7 Ne5+-) 17.cd5 (17.cd5 gh5 18.ed6 cd6 19.Bg7 Kg7 20.Qf5+-) 1-0. PEREIRA – Kooko, internet, 2022.

7.Nf3 ab5 8.ab5 Ra1 9.Ba1 c6 10.Be2 cb5 11.cb5 Qa5 12.Nc3 Bg4 13.0-0 Nbd7 (13...Rc8 14.h3 Bd7 15.e4=) 14.h3+= Bf3 15.Bf3 (worse 15.gf3 d5=+) 15...b6 (15...Qb6 16.Qb3+=) 16.Qb3 Nc5 17.Qc4 (better 17.Qb1+=) 17...Nfd7? (17...e6+=) 18.Bb2?? (better 18.d4+-) 18...Ne5= 19.Ra1?? (better 19.Qe2=) 19...Nf3 (better 19...Nc4 20.Ra5 ba5-+) 20.gf3+- Qa1?? (better 20...d5 21.Nd5 Qd2 22.Ne7 Kh8 23.Bg7 Kg7+-) 21.Ba1+- Ra8 22.Bb2 e6 23.Nd1 (better 23.e4!? Bc3 24.Qc3 e5+-) 23...d5 24.Qb4 (better 24.Qc2+-) 24...Bf8?? (better 24...Ra4 25.Qg4 Rg4 26.fg4 f6=) 25.Qd4 (25.Qd4 f6 26.Qf6+-) 1–0. RichardSommer (2065) – Kivy (2000), lichess.org, 2020.

7.Nf3 ab5 8.ab5 Ra1 9.Ba1 Nbd7 10.Be2 e5 11.0-0 Nb6 (11...Qe7 12.d4=) 12.h3 (12.d4 e4 13.Nfd2 Qe7+=) 12...Be6 13.Qc2 (13.d3 Qe7=) 13...Nfd7 (13...Qa8 14.Bb2=) 14.d4= f5 15.de5 Ne5 16.Rd1?? (16.c5 Nd5 17.Nd4 Bf7=) 16...Qe7?? (better 16...Nf3 17.Bf3 Ba1-+) 17.Ne5 de5 18.Bb2 Qc5?? (better 18...c5=) 19.Ba3+- Qa3 20.Na3 h6 (20...e4 21.c5 Nd5 22.Bc4+-) 21.c5 Nd5 (21...Na8 22.Bc4 Bc4 23.Qc4 Kh7 24.Rd7+-) 22.Bc4 (22.c6!? f4 23.cb7 fe3+-) 22...Re8 (22...c6 23.Qa4 Kh7 24.bc6 Nc3+-) 23.Bd5 (23.Bd5 Bd5 24.Rd5+-) 1–0. RichardSommer (1965) – Zeineblinda (1965), lichess.org, 2020.

7.Nf3 ab5 8.ab5 Ra1 9.Ba1 Bg4 10.Be2 Nbd7 11.0-0 Nc5 12.Nc3 c6 13.h3 Bf3 14.Bf3 (worse 14.gf3 e5=+) 14...Qc7 15.d4 Ne6 16.bc6 bc6 17.d5 cd5 18.Nd5 Nd5 19.Bd5 (19.cd5 Ba1 20.Qa1 Nc5=) 19...Nc5 20.Bg7 Kg7 21.Qa1 f6 22.Rb1 e6 23.Bf3 Rb8 24.Rb8 Qb8 25.g3 Qb4 26.Be2 Qa4 27.Qb2 Qb3 28.Qa1 Na4?? (28...Qc2 29.Kf1=) 29.Kg2?? (better 29.Bd1 Qc4 30.Qa4 Qa4 31.Ba4+-) 29...Nc3 30.Bf1 (better 30.Qa7 Kh6 31.Bd3=) 30...d5 (better 30...Qc2 31.Qa7 Kh6=) 31.Qa7+- Kh6 32.cd5 (32.Qf7 Qb8 33.Qf6 e5+-) 32...Nd5 (better 32...Qd5 33.Kg1 Qd6=) 33.Qf7+- e5?? (33...Qb8 34.e4 Nc3 35.Qf6 Qc8+-) 34.Qf8+- Kg5 35.h4 Kf5 36.Kf3 (better 36.Qc8 Ke4 37.Qg4 Nf4 38.gf4+-) 36...Ke6 (36...e4 37.Kg2 Qc2 38.Qd6 Ne3 39.Kh3 Qf2 40.Qc5 Ke6 41.Bc4 Kd7 42.Bb5 Ke6 43.Bc4 Kd7 44.Bb5 Ke6 45.Bc4=) 37.Bh3 f5 38.Qg8 Kd6 39.Qh7 Nc3?? (better 39...Ne7+=) 40.Kg2 (40.Kg2 Qe6 41.h5 Qd5 42.Kh2 gh5 43.Qh5+-; better 40.Qg6 Kc5 41.Bf5 Qd5 42.Be4 Qd1 43.Kg2+-) 1–0. RichardSommer (2065) – Roba777 (1965), lichess.org, 2020.

7.Nf3 c6 8.Nc3 ab5 9.cb5 (9.ab5 Ra1 10.Qa1 Nbd7=) 9...Bg4 10.Be2 Ne4 11.0-0 Nc3 12.dc3 (12.Bc3 e5+=) 12...d5 13.Nd4 Be2 14.Ne2 c5 15.Qc2 e6 16.Rfd1 (16.c4 Bb2 17.Qb2 dc4=) 16...Qe7 (16...Qh4!?=+) 17.c4+= dc4 18.Bg7 Kg7 19.Qc4 b6 20.Ng3 Nd7 21.Ne4 Ra5 (21...Rfd8 22.Qc3 e5 23.Nd6=) 22.Rd2 Rfa8 23.Rad1 (better 23.Nc3!?+=) 23...Ra4=+ 24.Qc3 Nf6 25.Nd6 Ra1?? (25...e5 26.Kh1=+) 26.h3 (better 26.Ra1 Ra1 27.Qa1+-) 26...Rd1=+ 27.Rd1 Rd8 28.Qd2?? (28.Qe5-/+) 28...Nd5 (better 28...Kf8!? 29.Kf1-+) 29.e4?? (better 29.Nc4 Qg5 30.Qb2 Kg8 31.Qb3=+) 29...Qd6 30.ed5 ed5 31.Qc3 d4 32.Qc4 (32.Qd3 Qe6-+) 32...Qe6 33.Qa4 c4 34.Qb4 d3 35.Qc3 f6 36.Qd2 (36.Re1 Qf7-+) 36...Rd7 (better 36...Qe2 37.Qc1 d2-+) 37.Rc1 (37.Qb4-+) 37...Qe2 38.Qc3 d2 39.Rf1 Qf1! 40.Kh2 (40.Kf1 d1Q Combination) 40...d1Q 41.Qg3 (41.f3 Qf2 42.Qe1 Qde1 43.f4 Qg3) 41…Qh1 (41...Qg1) 0-1. brucepeng (2055) - Diucaz (2015), lichess.org, 2021.

7.Nf3 Nbd7 8.Be2 e5 9.0-0 Qe7 10.d4 Re8 11.de5 (11.Nc3 h6=) 11...de5 12.Nc3 (12.Qc2 Rd8=) 12...Nc5 13.Ba3 b6 (13...e4 14.Nd4=) 14.Nd2 Bb7 Black intends e4 15.Bf3 (15.Nb3 Nfd7=) 15...e4=+ 16.Be2 Red8 (16...Qe5 17.Bc5 Qc5 18.Qc2=) 17.Qc2= h5 (17...Nfd7 18.Bb2=) 18.Rfd1 (18.Nb3+=) 18...Qe6 (18...Qe5 19.Bc5 Ng4 20.Bg4 (20.Nde4?? Qh2 21.Kf1 Qh1) 20...Qc3 21.Qc3 Bc3 22.Ra3=) 19.Nf1 (better 19.Bc5!? bc5 20.Nb3+-) 19...Nfd7= 20.Bb2 Ne5 21.Rd4 (better 21.ba6!? Ba6 22.Nd5=) 21...Ned3-/+ 22.Rd8 Rd8 23.Rd1 h4 24.h3 (24.f3 ef3 25.gf3 Qc4 26.Nd2-/+) 24...Be5 (better 24...Qc4!? 25.Rb1 Bc3 26.ba6 Ba6 27.Bc3 Na4-+ (27...Qa4?! 28.Qd2-+)) 25.Ba1 Qf5 (better 25...Qf6 26.Bg4 ab5 27.cb5 Ra8-/+) 26.Nd5?? (better 26.Bg4 Qf6 27.ba6=+) 26...Kg7?? (better 26...Qf2 27.Kh1 Ba1 28.Ra1 Ne1 29.Nf6 Kf8 (29...Qf6?! 30.Re1 Nd3 31.Rb1-/+) 30.Re1 Qe1-+ (30...Qf6?! 31.Rd1-/+)) 27.Be5 (27.f4!? Rd5 28.Bg4+=) 27...Qe5= 28.Qc3?? (better 28.Nf4=) 28...Rd5-+ 29.Qe5 (29.Qc2 Rd6-+) 29...Re5 30.f4 Re8 31.Ra1 (31.g4 Rd8 32.Ra1 Ra8-+) 31...f5 (31...Ra8 32.Rd1-+) 32.Nd2 (32.g3 hg3 33.Ng3 Ra8-+) 32...a5 33.Ra3 Kf6 34.Nb3 Nb3 35.Rb3 Nc5 36.Rc3 (36.Ra3 Rd8-+) 36...Rd8 37.Kf2 (37.Ra3 Rd2 38.Kf1 Nd3-+) 37...Rd2 38.Ke1 Ra2 39.Rc1 (39.Kd1 Ra4 40.Kd2 Ra1-+) 39...Ke7 (better 39...Nd3 40.Bd3 ed3 41.Kf1 Bg2 42.Kg1-+) 40.Rd1 (40.Rc3 Na4 41.Rc1 Nc5-+) 40...Ra4 41.Rd4 (41.Kf1 Ra2-+) 41...Ra3 42.Kf2 Ra2 43.Rd1 (43.Ke1 a4-+) 43...Rc2 (43...a4 44.Ke1-+) 44.Kf1 (44.Rb1 Nd3 45.Kf1 Rc4-+) 44...Nd3! 45.Bd3 (45.Rd3 ed3) 45...ed3 46.Rd3 Bg2 47.Kg1 Be4 48.Rd4 Rc3 (48...a4 49.c5 a3 50.cb6-+) 49.Kf1 (49.Kf2 a4 50.c5 a3-+) 49...a4 (better 49...Re3 50.Kg1 Rg3 51.Kf2 Rh3 52.c5-+) 50.Kf2 (50.c5 a3 51.Ra4-+) 50...a3 51.Rd2 Rc2 (51...Rc2 52.Ke2 Rd2 53.Kd2 a2 54.Kc3 a1Q 55.Kd2 Qa2 56.Kd1 Qc2 57.Ke1 Bd3 58.e4 Qe2) 0–1. BeepBeepImAJeep (2730) – Chess_Network (2545), lichess.org, 2017.

6.e3 b6

7.Qc2 Bb7 8.f3 Nbd7 9.d4 h6 10.Ne2 a6 11.Nd2 Kh7 (11...e5 12.Kf2=+) 12.h4 Nh5 (better 12...Kg8!?=) 13.g4+- Nhf6 14.g5 (14.h5!? e5 15.g5+=) 14...Nh5+= 15.Rg1 (15.Bh3 e5+=) 15...hg5 (15...e5 16.d5=) 16.hg5+= ab5 17.cb5 e5 18.0-0-0 (better 18.de5!? Ne5 19.Nd4+=) 18...ed4=+ 19.Bd4 Bd4 20.ed4 Bd5 (20...c6 21.Ne4 cb5 22.ab5=+) 21.Rh1 (21.Nc3!? Be6 22.Re1=) 21...Qg5=+ 22.Kb2 Rac8 (22...c5 23.bc6 Rfc8 24.Ne4=+) 23.Nc3 Bb7 24.Bh3 (better 24.Nce4 Qh6 25.Ng3=) 24...Rcd8?? (better 24...f5!?=+) 25.Bg4 (25.Bd7 Rd7 26.Nde4 Be4 27.Ne4 Qf5 28.Rh5 gh5 29.Nf6 Kg6 30.Nd7 Qc2 31.Kc2 Rd8=) 25...Kg7? (25...f5 26.Bh5 gh5 27.Ne2+-) 26.Nce4?? (better 26.Bh5!? c5 27.Rdg1+-) 26...Be4 (26...Qf4 27.Bh5 d5+-) 27.Ne4+- (27.Qe4? f5 28.Bf5 Rf5-+ (28...gf5?! 29.Rdg1 fe4 30.Rg5 Kf7 31.Rhh5=; 28...Qf5?! 29.Qf5 Rf5 30.Rc1-+)) 27...Qd5 28.Qc7 (better 28.Bh5!? Rfe8 29.Ng3+-) 28...Ndf6+- 29.Qc6 (29.Bh5 Nh5 30.Qb6 Qc4+-) 29...Qc6 (29...Nf4 30.Rhg1+=) 30.bc6+- Ng4 (30...Ne4 A) 31.Bh5? Nf2 32.Bg4 f5-+ (worse 32...Nd1 33.Rd1 f5 34.Bh3-/+); B) 31.fe4 Ng3 32.c7+-) 31.fg4 Nf6 32.Nf6 Kf6 33.Kb3 Rc8 34.d5 Kg5 (34...Ra8 35.Rd4+-) 35.Rd4 Rfe8 (35...Ra8 36.Kc3+-) 36.Kb4 Re2 37.Kb5 Rb2 (37...Kf6 38.Rhd1 Rb2 39.Ka6+-) 38.Ka6 Rc7 (38...f5 39.gf5 Kf5 40.Kb7+-) 39.Ra1 White prepares a5 (39.Rh8 f5 40.gf5 Kf5+-) 39...f6 (39...Kf6+-) 40.a5?? (better 40.Re4+-) 40...ba5+- 41.Ra5 Rb8 42.Re4 (42.Rb5 Ra8 43.Kb6+-) 42...Ra8? (better 42...Rcc8+-) 43.Kb6+- Rac8 (43...Ra5 44.Ka5 Rc8 45.Kb6+-) 44.Ra7 (better 44.Re8! Re8 45.Kc7 Kg4 46.Kd6 f5+-) 44...Ra7 45.Ka7 f5 46.gf5 Kf5 (46...gf5 47.Rb4 f4+-) 47.Re6 g5 48.Kb7 (worse 48.Rd6 g4 49.Re6 g3+-) 48...Rg8 49.c7 Rg7 50.Kb8 Rg8 51.c8Q Rc8 52.Kc8 g4 53.Kd7 g3 54.Kd6 Kf4 55.Rg6 Kf3 56.Ke5 g2 57.Rg2! Kg2 58.d6 (58.d6 Kf2 59.d7 Kg3 60.Ke4 Kh3 61.d8Q Kg3 62.Qg5 Kf2 63.Qe3 Kg2 64.Qf3 Kh2 65.Qf2 Kh1 66.Qd2 Kg1 67.Kf3 Kf1 68.Qf2) 1–0. lindsey000 – tetis (1695), gameknot.com, 2016.

7.Nc3 c5 8.Be2 Bb7= 9.Bf3 Bf3 10.Qf3 Nbd7 11.Nge2?? (better 11.Qe2=) 11...Ne5-+ 12.Qg3 Nd3 (12...Nd3 13.Kf1 Nb2-+) 0-1. hurvajsmanka (1715) - _retrograd (2200), Rated Bullet tournament, lichess.org, 2014.

7.Nc3 c5 8.Qf3+/- d5 9.Nd5 Nd5 10.Bg7 Kg7 11.Qd5 Qd5 12.cd5 Bb7 13.e4 Nd7 (13...e6 14.de6 Be4 15.ef7 Rf7 16.f3+=) 14.Nf3+/- Nf6 15.d3 c4 (15...a6!? 16.ba6 Ba6+/-) 16.dc4+- Ne4 17.Bd3 (17.a5 a6 18.Bd3 Nc5+/-) 17...Nd6 (17...Nc5 18.Be2+/-) 18.0-0 (18.a5 a6 19.ba6 Ba6+/-) 18...Rac8 (18...e6 19.a5 ed5+/-) 19.Rac1 (19.Ne5 e6 20.Nc6 a6+-) 19...Rc5 (better 19...e6!?+=) 20.Ne5+/- f6? (better 20...Rfc8 21.Rce1 R8c7+/-) 21.Nd7+- Rfc8 22.Nc5 Rc5 23.Be2 (23.Rfe1 Kf7+-) 23...Kf7 24.Rfe1 Nf5 (24...a5 25.f4+-) 25.Bg4 (25.Rcd1 h6+-) 25...Nd4 (25...Nd6 26.Be6 Ke8 27.Re3+-) 26.Be6 (26.Re4!? Nb3 27.Be6 Kg7+-) 26...Ne6 27.de6 (27.Re6?! Bd5 28.Ree1 Bc4+/-) 27...Ke8 28.f3 Bc8 29.Re3 f5 30.Rec3 (better 30.h4!? h6 31.Kf2 Kf8+-) 30...Be6 31.Re1 (better 31.f4+-) 31...Kf7? (better 31...Bf7+-) 32.Rce3 Bc4 33.Re7 Kf6 34.Ra7 (34.Rh7?! Bf7+-) 34...Bb3 35.Ree7 (35.Rb1 Bc2 36.Rc1 Ke5+-) 35...Rc4 (35...Ba4 36.Reb7 (worse 36.Ra4 Ke7 37.Ra7 Kf6=+) 36...Bb5 37.Rb6 Kg5 38.Rh7+-) 36.Reb7 (36.Rh7 Ba4 37.Rhb7 Rb4+-) 36...Ba4 37.Rb6 Kg5 (37...Ke5 38.Rh7 Rb4 39.h4+-) 38.Rbb7 (better 38.Rh7!? Rb4+-) 38...Rb4 39.b6 Rb2 (39...Bc6 40.Rb8 Kf4 41.Ra2+- (41.Rh7?! Rb1 42.Kf2 Rb2 43.Ke1 Rg2+-)) 40.h3 (better 40.Ra4 Rb1 41.Kf2+-) 40...Bc2 (40...Bc6 41.Rh7 Rb6 42.h4 Kf4 43.Kh2+-) 41.Rh7 (better 41.Rc7 Kf4 42.b7+-) 41...Kf6 (41...Rb6 42.h4 Kf6 43.Kf2+-) 42.h4 (42.b7 Rb1 43.Kh2 f4+-) 42...Ke5 (42...Rb6 43.Kf2+-) 43.Rh6 (43.b7 g5+-) 43...Kf4 (43...Rb6 44.Kh2 f4+-) 44.Rg6 (44.b7 g5 45.hg5 Kg5+-) 44...Ke5 (44...Bb3+-) 45.Ra4 (better 45.b7!? f4 46.Rg8 Rb1 47.Kh2 Bf5+-) 45...f4?? (45...Ba4 46.h5 Be8=) 46.Re4! Be4 47.Rg5 (better 47.fe4 Ke4 48.h5+-) 47…Bf5=. hurvajsmanka (1750) - stabilizator_ (2220), Rated Bullet tournament, lichess.org, 2014.

7.Nc3 Nbd7 8.d4 Bb7 9.Be2?? (9.Nf3 c5=) 9...Rc8?? (better 9...Bg2 10.Bf3 Bh1 11.Bh1 Rb8-+) 10.Nf3= c5 (10...d5 11.a5=) 11.0-0 (11.d5 Ne4 12.Ne4 Bb2+=) 11...e5 (11...cd4 12.Nd4 Nc5 13.Bf3=) 12.de5 (12.d5 a6+=) 12...de5 13.Nd5 (13.Qc2 e4 14.Nd2 Ra8+=) 13...Bd5 (13...Nd5!? 14.cd5 e4 15.Bg7 Kg7=+) 14.cd5+= Ne8 (14...e4 15.Nd2+=) 15.Qc2 (15.Nd2 Nd6+=) 15...Nd6 (15...e4 16.Nd2 Bb2 17.Qb2=) 16.Rfd1 f5 17.Ng5?? (17.Nd2 e4+=) 17...Qe7?? (better 17...Qg5 18.a5 f4 19.ab6 ab6-+) 18.Ne6+/- Rfe8 19.Ng7 (19.a5 Nf8 20.Ng7 Qg7 21.ab6 ab6+/-) 19...Kg7 20.f4 (20.a5!?+/-) 20...Kg8= 21.fe5 Ne5 22.Be5 Qe5 0-1. hurvajsmanka (1790) - stabilizator_ (2265), Rated Bullet tournament, lichess.org, 2014.

7.d4 e5 8.de5 de5 9.Nc3 Re8 10.Qd8 Rd8 11.Nf3 Bg4 12.Be2 Nbd7 13.0-0 Nc5 14.Rad1 Bf3 15.Bf3 Rd1 16.Rd1 a5 17.Ba8 1–0. A_VB – stp81, lichess.org, 2018.

7.Nf3 Bb7 8.Be2 c6 9.0-0 cb5 (9...Qc7 10.d4=) 10.ab5+= Nbd7 (10...a5 11.ba6 Ra6 12.Ra6 Na6 13.Bf6 Bf6 14.d4=) 11.h3 (11.Nc3 Qc7+=) 11...Nc5 (11...a6 12.ba6 Ra6 13.Ra6 Ba6 14.d4+=) 12.Nc3 (12.d4 Nce4+=) 12...e5 (12...a5 13.ba6 Na6 14.Qb3+=) 13.d4 ed4 14.Nd4 (14.ed4 Nfe4+=) 14...Nce4 (14...Qc7 15.Qd2+=) 15.Bf3 Nc3 (15...Re8 16.Qe2+=) 16.Bc3+- Bf3 (16...Ne4 17.Qd3 Qe7 18.Rfc1+=) 17.Qf3 (17.gf3?! Qc8=) 17...d5?? (better 17...Nd7+-) 18.Nc6+- Qd6 19.Bb4 (19.Be5 Qe6 20.cd5 Nd5 21.Qd5 Be5 22.Qe6 fe6 23.Ne5 Rfd8+-) 19...Qe6 20.Bf8 (better 20.cd5 Nd5 21.Qd5 Ba1 22.Qe6 fe6 23.Bf8+-) 20...Rf8? (20...Kf8 21.cd5 Qd5+-) 21.cd5 Nd5 22.Ra7 (better 22.Qd5! Qd5 23.Ne7 Kh8 24.Nd5 Ba1 25.Ra1 Rd8+-) 22...Nc3 23.Rc1 (23.Rb7 Nb5 24.Rb6 Nc3+-) 23...Nb5 (23...Qc4 24.Ne7 Kh8+-) 24.Qd5?? (better 24.Rb7+-) 24...Qd5-+ 25.Ne7 Kh8 26.Nd5 Nd6?? (better 26...Na7 27.Nb6 Rd8-+) 27.Nb6 (27.Rd7 Ne4+-) 27...Ne4 (27...Rd8 28.Rd1 Bf6 29.Rd7 Rd7 30.Nd7+-) 28.Nd7 (28.Nd5 h6+-) 28...Rd8 29.Nc5 Nc3 (29...Bb2 30.Rc2 Nc5 31.Rc5+-) 30.Kf1 h5 (30...Kg8 31.Nb7 Rf8 32.Nd6+-) 31.Rf7 Rd5 (31...Na2 32.Rc2 Nc3 33.Kg1+-) 32.Rg7 (better 32.Ne6!? Be5 33.f4 Kg8 34.Rf8 Kh7+-) 32...Kg7 (32...Na2 33.Ne6 Nc1+-) 33.Rc3 Rd1 (33...g5 34.Ke2+-) 34.Ke2 (34.Ke2 Rg1 35.Ne6 Kh6 36.Rc7+-) 1–0. RichardSommer (2110) – bgy1967 (2175), lichess.org, 2020.

6.e3 c5

7.d4 a6 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 Bg4 11.Be2 Nbd7 12.0-0 b6 (12...Qc7 13.Nbd2=) 13.h3+= Bf3 14.Bf3 (worse 14.gf3 cd4 15.Bd4 Qc7=+) 14...Qc7 15.Nd2 Ra8?? (15...Rc8 16.Bc6+=) 16.Qb3 (better 16.Ba8 cd4 17.ed4+-) 16...Rb8 17.Bb2 Nh5 (17...Rc8 18.Re1+=) 18.Re1 (18.Bh5 gh5 19.d5 Bb2 20.Qb2 Ra8+/-) 18...cd4 (18...Nhf6 19.Bc6+/-) 19.ed4 e5 (19...Bh6 20.Bc1 Ng7 21.Bc6+/- (21.Re7 Nf5 22.Ne4 Bg7 23.Rf7 Kf7 24.c5 d5 25.Qd5 Ke7+/-)) 20.Bh5+- gh5 21.de5 (21.Qf3 h4+-) 21...de5 22.Ne4 Nc5 (22...Rc8 23.Qa3+/-) 23.Nc5 (23.Qg3 Ne4 24.Re4 f6+/-) 23...Qc5 24.Qd3 Rc8 25.Rc1 f5? (better 25...h6+/-) 26.Qf5+- Rf8 27.Qc2 (27.Qe6 Kh8 28.Rc2 h4+-) 27...Bh6 28.Re1 Re8 (28...Bg7 29.Re4+-) 29.Qe4 (29.Re4 Bg7+-) 29...Bg7 30.Rd1 Bf6 (30...Rf8 31.Rd2+-) 31.Qd5 (31.Rd7!? Re7 32.Rd8 Kg7+-) 31...Qd5 32.Rd5 Kg7 (32...Kf7 33.c5+-) 33.f4! ef4 (33...Rc8 34.fe5 Be7 35.e6 Kf8 36.Rf5 Ke8 37.Rh5 Rc4+-) 34.Bf6 (better 34.Rd7 Kf8 35.Bf6+-) 34...Kf6+/- 35.Rd6 Kg5? (better 35...Re6 36.Rd7 Re1 37.Kf2 Rc1 38.Rh7 Kg5+/-) 36.Rb6+- 1-0. ClayPigeons (2100) - Rail96 (2015), Rated Bullet game, lichess.org, 2021.

7.Nf3 a6 8.Be2 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0-0 Nb6 12.d4 Be6 13.Nbd2 cd4 14.Nd4 d5 (14...Bd7 15.e4=) 15.Ne6 fe6 16.c5 Nc4? (16...Nbd7 17.Qc2+=) 17.Nb3 (better 17.Nc4 dc4 18.Bc4+-) 17...Ne5?? (better 17...Qe8 18.e4 Kh8+-) 18.Be5+- Qc7 (18...Qc8 19.Qd4+-) 19.Qd4 (better 19.Bc7 Ne4 20.Bd3+-) 19...Qd8 20.b6 Nh5 (20...Qd7 21.Ra1 Qe8 22.Ra7+-) 21.Bb5 (better 21.Bh5 Be5 22.Qe5 gh5 23.Qe6 Kg7+-) 21...Be5 (21...Rf5 22.Bg7 Ng7 23.e4+-) 22.Qe5 Rf5 (22...Qc8 23.Nd4 Ng7 24.c6 bc6 25.Nc6+-) 23.Qe6 Kg7 (23...Kh8 24.Na5 Qa8 25.c6 Qa5 26.cb7+-) 24.Nd4 White intends c6 (better 24.g4 Rf6 25.Qe5 Qc8+-) 24...Qf8 (24...Rf8+-) 25.Qf5! gf5 (25...Qf5 Decoy theme: f5 26.e4) 26.Ne6 Kf7 27.Nf8 Kf8 28.c6 Nf6 29.cb7 (29.cb7 Kf7 30.b8Q+-) 1–0. BeepBeepImAJeep (2655) – Calanthe (2145), IM TricksOnlyNL Arena, 2017.

7.Nf3 b6 8.Be2 Bb7 9.0-0 Nbd7 10.d4 e5 11.de5+= de5 (11...Ne4 12.Qb3 Ne5 13.Qc2=) 12.Ne5+- Ne5 13.Be5 Qd1 (13...Qe8 14.Bc3+-) 14.Rd1 Ne4 (14...Rfe8 15.Bc3+-) 15.Bg7+- Kg7 16.Bf3 (16.f3 Nf6+-) 16...Rfd8 (16...Rad8 17.a5+-) 17.h3 (17.Nd2 Nd6 18.Bb7 Nb7 19.Kf1+-) 17...Rd1+= 18.Bd1 Rd8 (18...a6 19.ba6 Ra6 20.f3+-) 19.Bf3 Ba8 (19...f5 20.a5+-) 20.Kf1 (better 20.a5 f5 21.ab6 ab6 22.Ra7 Kh6 23.g4+-) 20...Nd2?? (better 20...Nd6 21.Be2 f5+-) 21.Nd2+- Rd2 22.Ba8 Rc2 23.Bd5 Kf6 (23...h6 24.a5 f5 25.ab6 ab6 26.Ra7 Kh8 27.Rb7+-) 24.a5 Ke5 25.ab6 ab6 26.Ra6 h5 (26...Rc1 27.Ke2 Rc2 28.Ke1+-) 27.Rb6 f5 (27...g5+-) 28.Re6 1–0. RichardSommer (2050) – dimarko (2015), lichess.org, 2020.

7.Nf3 Nbd7 8.Be2 b6 9.0-0 Bb7 10.d4 cd4 11.Nd4 Rc8 12.Nd2 Qc7 Exerts pressure on the backward pawn 13.Rc1 (13.a5 Nc5=) 13...Ne5 The pressure on the backward pawn c4 grows (13...Nc5 14.Bf3=+) 14.Bf3 (14.N4b3 Nfd7=) 14...Nf3 15.N2f3 Bf3 (15...Nd7 16.Ng5 Nc5 17.f3-/+) 16.Qf3 (16.Nf3 Qc5=) 16...Qd7 (better 16...Nd7!?=+) 17.Nc6+= Rc7 18.Rfd1 Rfc8 (18...Qe6 19.a5+=) 19.h3 Nh5 20.Bg7 Ng7 21.c5 bc5 22.Rc5 Ne6 (22...dc5 A pinning theme 23.Rd7) 23.Rc2 Nd8 24.Rdc1 Nc6 25.Rc6 Rc6 26.Rc6 Kg7 (26...e6 27.Qe4+=) 27.Qe4 (27.Rc8 Qc8 28.Qc6 Qd8+-) 27...Rc7 28.Qc4 (28.Qd4 f6+-) 28...Rb7+= 29.a5 (29.Qc3 f6 30.Qd3=) 29...e6? (better 29...Qf5 30.Qd4 e5+=) 30.a6 Rb8 31.Qd4 Kh6 (31...e5 32.Qd6 Qd6 33.Rd6 Rb5 34.Rd7+-) 32.Qd6 Qd6 33.Rd6 Rb5 34.Rd7 Rb1 35.Kh2 Kg7 36.Ra7 Rb2 37.Kg3 Ra2 38.f3 (38.f4 Kf6+-) 38...h5 39.e4 (39.f4 Kf6+-) 39...Ra5 (39...Kf6 40.Kh4+-) 40.h4 (40.Kh4 Kf6+-) 40...Kf6 41.Ra8 Ra4 (41...Ke5 42.Kh3+-) 42.Kf2 (42.Kf4 e5 43.Kg3 Ra2+-) 42...Ra5 43.Ke3 Ra2 (43...Ke5 44.f4 Kd6 45.e5 Kd5 46.Kd3+-) 44.g3 (44.a7!? e5+-) 44...Ra3+- 45.Ke2 Ra4 46.a7 Ra2 (46...Ke5 47.Kd3+-) 47.Ke3 Ra3 48.Kd4 Ra4 49.Kc5 Ra2 50.Kd6 Rc2?? (50...Ra6 51.Kc7 Ra1 52.f4+-) 51.f4 White prepares the advance e5 (better 51.e5 Kf5 52.Rb8 Rd2 53.Ke7+-) 51...Rd2 52.Kc5 Ra2 53.e5 (53.Kb6 Rb2 54.Kc6 Ra2+-) 53...Kf5 (53...Ke7 54.Kc4+-) 54.Kd6 Ke4? (54...Kg4 55.Ke7 Kg3 56.Kf7 Kh4 57.Ke6 Ra4+-) 55.Ke7 Rd2 (55...Kf3 56.Kf7 Kg3 57.Ke6 Kf4+-) 56.Kf7 (56.Rd8 Ra2 57.a8Q Ra8 58.Ra8 Kf3 59.Ra3 Kg4 60.Kf7 Kf5+-) 56...Rd7 (56...Ra2 57.Ke6 Kf3+-) 57.Ke6 Rb7 58.Kf6 Rb6 59.e6 Rb7 60.e7 Rb6 61.Kf7 (61.Kg5 Rb5 62.Kg6 Ra5 63.e8Q Kf3 64.Qc6 Kg3 65.Qc3 Kg4 66.Qa5 Kg3 67.Qg5 Kf2 68.Re8 Kf1 69.a8Q Kf2 70.Qag2) 61...Rb7 62.Kf8 Re7 63.Ke7 (63.Ke7 Kd4 64.Rd8 Kc4 65.a8Q Kc5 66.Qa5 Kc4 67.Qc7 Kb5 68.Rb8 Ka4 69.Qa7) 1–0. BeepBeepImAJeep (2585) – TheKytanApprentice (2215), lichess.org, 2016.

7.Nf3 Nbd7 8.Be2 Re8 9.0-0 Nf8 (9...a6 10.Nc3=) 10.d3 Bd7 11.Nc3 a6 12.e4 (12.Nd2 Bf5+=) 12...a5 (12...Ne6 13.Nd5=) 13.Qc2 b6 14.Nd5 e6 15.Nf6 Bf6 16.Bf6 Qf6 17.Rad1 e5 18.Nd2 Ne6 19.Rfe1 Nd4 20.Qb2 Qg7 (20...Qg5 21.Nf3 Nf3 22.Bf3=) 21.Nf1 f5 22.Ne3 Rf8 23.ef5 gf5 (worse 23...Ne2 24.Qe2 Bf5 25.Qf3+=) 24.Nd5 Rab8 25.Bf1? (25.f4!?=+) 25...Be6 (25...Nf3! 26.Kh1 Ne1 27.Re1 Be6-+) 26.Kh1-/+ Bd5 27.cd5 Kh8 28.Rc1 f4 29.Rc4 f3 30.Rd4 (better 30.g3!?-/+) 30...fg2 31.Bg2 ed4 32.Re6 (32.Be4 Rbe8-+) 32...Rf6 33.Qe2 Rbf8 (33...Rg8 34.f3-+) 34.Kg1 (34.Rf6 Qf6 35.Kg1 c4-+) 34...Rf2 (34...Rf5!? 35.Re4-+) 35.Qf2 Rf2 36.Kf2 Qf7 37.Bf3 Qf4 38.Kg2 Qd2 (better 38...h5-+) 39.Be2? (39.Kg3-+) 39...Kg7 (39...c4 40.dc4 d3 41.Kf3 de2 42.Re2 Qd3 43.Re3 Qf1 44.Kg3 Qc4 45.Ra3-+) 40.Kf2 (40.Kf3-+) 40...c4! 41.Re7 (41.dc4 d3) 41...Kf8 42.Re4 cd3 43.Rd4 (43.Re6-+) 43...Qe2 44.Kg3 d2 (44...Qe3 45.Kg4 Qd4 46.Kf5 Kf7 47.Kg5 d2 48.h4 d1Q 49.h5 Qf6) 45.Rf4 Ke7 46.Re4 (46.Rf1 Qf1 47.h4 Qg1 48.Kf3 d1Q 49.Ke4 Qgd4 50.Kf5 Q1g4) 46…Qe4 (46...Qe4 47.h3 d1Q 48.Kh2 Qde2 49.Kg3 Q2g2) 0–1. BeepBeepImAJeep (2685) – Biriyani (2665), lichess.org, 2020.

7.Nf3 e5 8.Be2 (8.d3!?=) 8...e4=+ 9.Ng1 Nbd7 10.Nc3 Ne5 11.Qc2 (11.f4 Nd3 12.Bd3 ed3=+) 11...Bf5 12.a5 (12.Nh3 Nd3 13.Bd3 ed3=+) 12...Re8 (12...d5 13.cd5 Nd5 14.Nd5 Qd5 15.Be5 Qe5 16.Ra4-/+) 13.a6=+ b6 14.h3 (14.Qb3 Be6=+) 14...h5 (14...d5 15.g4 d4 16.gf5-/+) 15.Qb3=+ Qd7 (15...Be6 16.f4 Nc4 17.Bc4=+) 16.Nd5 (16.f4!? ef3 A) worse 17.Bf3 d5-/+ (17...Nf3?! 18.Nf3 Bd3 19.Na2=); B) 17.gf3=) 16...Nd5=+ 17.cd5 Rac8 Black gets strong initiative 18.Rc1 Qe7 (18...h4 19.f4 ef3 20.Nf3 Nf3 21.gf3 Bb2 22.Qb2=+) 19.f4 (19.g4 Bd7=) 19...Nd3 20.Bd3 ed3 (20...Bb2 21.Qb2 ed3 22.Nf3=+) 21.Nf3 (21.Bg7!? Qh4 22.Kf1 Kg7 23.Nf3=) 21...c4=+ 22.Qa2 (22.Qc4 Rc4) 22...c3 23.Ba1?? (better 23.Bc3 Bc3 24.Rc3 Rc3 25.dc3 Qe3 26.Kd1-/+) 23...cd2-+ 24.Qd2 Qe3 (better 24...Rc1 25.Qc1 Rc8 26.Qd2-+) 25.Qe3 Re3 26.Kf2 Re2 27.Kg3 Rc1 28.Rc1 d2 29.Rd1 Bc2 (29...Ba1 30.Ra1 Bc2 31.Nd2 Rd2 32.Rc1-+) 30.Rd2 Rd2 31.Nd2 Ba1 32.Nc4 Be4 33.Nb6 (33.Nd6 Bd3 34.h4-+) 33...ab6 34.a7 Bd5 35.Kh4 (35.Kh2 Bd4-+) 35...Ba8 (better 35...Bg2!? 36.Kg3 Be4 37.Kf2 Bd4 38.Kg3-+) 36.g4 hg4 37.Kg5 (37.hg4 d5 38.Kg3 Kf8-+) 37...Kg7 (37...g3 38.Kh4 g2 39.f5 g1Q 40.fg6 Bf6 41.Kh5 Qg6) 38.f5 (38.Kg4 d5 39.f5 gf5 40.Kf5 d4-+) 38...Bf6 (38...g3 39.Kh4 g2 40.fg6 Bf6 41.Kg3 g1Q 42.Kf4 Qg5) 39.Kg4-+ gf5 40.Kf5 Be5 (better 40...d5 41.Kf4 d4 42.Kg3 Bh4 43.Kh4-+) 41.h4 f6 42.Kg4 Kg6 43.h5 Kh6 44.Kf5 Kh5 (44...d5 45.Ke6 d4 46.Kf7 d3 47.Ke8 d2 48.Ke7 d1Q 49.Kf7 Qd7 50.Kf8 Qd8 51.Kf7 Bd5) 45.Ke6 Kg4 46.Kd7 f5 47.Kc7 Be4 (better 47...d5 48.Kd7 d4 49.Ke6-+) 48.Kb6 f4 49.Kc7 Bd4 (49...f3 50.b6 f2 51.a8Q Ba8 52.b7 d5 53.Kd7 Bb7 54.Ke8 Bc6 55.Kf8 f1Q 56.Kg8 Qf6 57.Kh7 Qg7) 50.b6 Bb6! 51.Kb6 f3 52.Kc7 Ba8 (52...f2 53.Kd6 f1Q 54.Ke7-+) 53.Kd6 Be4 54.Kc7 f2 55.a8Q Ba8 56.Kb8 (56.Kc8 Bd5 57.Kd7 f1Q 58.Kc7 Qc4 59.Kb6 Qc6 60.Ka5 Qc5 61.Ka4 Qb6 62.Ka3 Qb3) 56...f1Q 57.Ka7 (57.Ka8 Qa6 58.Kb8 Kf4 59.Kc7 Ke5 60.Kb8 Kd5 61.Kc7 Qa7 62.Kd8 Kd6 63.Ke8 Qe7) 57...Qb5 (57...Bd5 58.Kb6 Qc4 59.Ka5 Qb3 60.Ka6 Bc6 61.Ka5 Qb5) 58.Ka8 Kf5 (58...Kf4 59.Ka7 Ke4 60.Ka8 Kd5 61.Ka7 Kc6 62.Ka8 Qb7) 59.Ka7-+ 0–1. BeepBeepImAJeep (2500) – RPchess99 (2490), lichess.org, 2018.

6.e3 c6

7.Nc3 a6 8.Nf3 d5 9.Be2 Bg4 10.0-0 (10.cd5 cd5 11.0-0 Ne4=) 10...dc4 (10...Bf3 11.Bf3 dc4 12.ba6 Na6 13.Be2=+) 11.Bc4= ab5 12.ab5 Ra1 13.Qa1 (13.Ba1 cb5 14.Nb5 Nc6=) 13...Nbd7 (13...Bf3 14.gf3 cb5 15.Bb5 Qd2 16.Rd1=) 14.Be2 Qc7 (14...Bf3 15.gf3 c5 16.Rc1=) 15.h3 (15.d4 cb5 16.Nb5 Qc2+=) 15...Be6 (15...Bf3 16.Bf3 Ne5 17.Be2+=) 16.Nd4+= Bf5 (16...Bd5 17.Rc1 Qb6 18.bc6 bc6 19.Nd5 cd5 20.Nc6+=) 17.bc6 bc6 18.Rc1 Rb8? (18...c5 19.Nf5 gf5 20.Nb5+=) 19.Na4?? (better 19.Ncb5 Qb7 20.Nc6+- (20.Rc6?! Be4 21.Rc7 Qb6+-)) 19...c5+= 20.Nf5 gf5 21.Bd4 (better 21.Bf3+=) 21...e6?? (better 21...Ra8=) 22.Nc5+- (22.Bc5?! Qa5 23.Bd4 Qd2+=) 22...Nc5 23.Bc5 Ne4 24.Bd4?? (better 24.Qg7! Kg7 25.Bd4 e5 26.Rc7 ed4 27.ed4 Rb1 28.Kh2 Nf2 29.Kg3 Ne4 30.Kf4+-) 24...Bd4=+ 25.ed4 (25.Rc7? Ba1 26.Rc1 Bb2-+) 25...Qd6 (better 25...Qf4!? 26.Rf1 Nd2=+) 26.d3+= Nf6 27.Bf3 Rd8 The isolani on d4 becomes a target 28.Rc4 Rb8 29.Qc1 Nd5 (29...Nd7 30.Rc8 Rc8 31.Qc8 Kg7 32.Qc3+-) 30.Rc8 Rc8 31.Qc8 Kg7 32.g3 (32.Qc5 Qd7+-) 32...Nb4 (32...Nc7 33.Qb7+-) 33.Qc4 (33.Qc5 Qb8 34.d5 Nd5 35.Bd5 Qe5+-) 33...Qb6 (33...Kf6 34.Kf1+-) 34.Kg2 (34.d5 e5+-) 34...Na6 (34...Kf6 35.d5+-) 35.h4 (35.d5 Nb4+-) 35...Nc7 (35...Nb4 36.Qc5 Qb8 37.d5 Nd3 38.Qd4 Ne5 39.d6+-) 36.h5 (36.Qc5 Qc5 37.dc5 e5+-) 36...Ne8 (36...Qd6 37.Qc5 Qd8 38.Qe5 f6 39.Qc5+-) 37.Qc5 (37.d5 e5+-) 37...Qd8+- 38.Qe5 Nf6 39.d5 (39.d5 ed5 40.Qf5+-) 1–0. BeepBeepImAJeep (2805) – EPThompson (2575), lichess.org, 2019.

7.Nc3 cb5 8.cb5 a6 9.Nf3 ab5 10.ab5 Ra1 11.Qa1 Nbd7 12.Be2 e5 13.0-0 Qe7 14.d4 White is in command 14...Ne8 (14...e4!? 15.Nd2 Qe6+=) 15.Nd5 Qd8 (15...Qe6!? 16.e4 h6+-) 16.de5 Ne5 17.Ne5 (17.Be5?! de5 18.Qc1 Be6=) 17...Be5 (17...de5 18.Rd1 Be6 19.Ba3+-) 18.Be5 de5 19.Qe5 Qd6?? (better 19...Be6 20.Rd1 Bd5 21.Rd5 Qf6+-) 20.Ne7 Qe7 21.Qe7 f6 (21...Ng7+-) 22.Rb1 (22.Bc4 Be6 23.Be6 Rf7 24.Qf7 Kh8 25.Qf8) 22...Bf5 23.Rd1 (23.Bc4 Be6 24.Be6 Rf7 25.Qf7 Kh8 26.Qf8) 23...Ng7 24.Bc4 Kh8 (24...Be6 25.Be6 Ne6 26.Rd7 Re8 27.Qh7 Kf8 28.Qf7) 25.Qf8 1–0. BeepBeepImAJeep (2660) – r3tard3d (1945), lichess.org, 2017.

7.Nc3 cb5 8.cb5 Qc7 9.Nf3 a6 10.Rc1 ab5? (10...Qa5 11.d4=) 11.ab5 (11.Nd5 Nd5 12.Rc7 Nc7 13.Bg7 Kg7 14.Qc2+- (14.Bb5?! Nb5 15.ab5 Ra5+-)) 11...Nc6?? (11...Qd8 12.Be2=) 12.Be2?? (better 12.bc6!? bc6 13.d4+-) 12...Na5 (12...Ne5 13.Nd5 Qd8 14.Nc7 Nf3 15.Bf3+=) 13.0-0 (13.Nd5 Qd8 14.Nc7 Rb8+=) 13...b6 (13...Qd8 14.d3+=) 14.d4 (14.Nd5 Qd8 15.Bf6 Bf6 16.Nf6 ef6+-) 14...Kh8 (14...Qb7 15.Nd2=) 15.Nd2 Bb7 16.Bf3 Nc4 (16...Qd7 17.Bb7 Qb7 18.Re1=) 17.Nd5 (better 17.Nce4 Be4 18.Ne4+-) 17...Qc8?? (better 17...Bd5 18.Bd5 Nd5 19.Nc4 Nf6+=) 18.Rc4+- (18.Nc4?! Bd5 19.Nb6 Qb7 20.Na8 Ra8 21.Bd5 Qd5+-) 18...Qe6 (18...Qd8 19.Nf6 Bf3 20.Qf3 Bf6 21.e4+-) 19.Nb6 (19.Nc7 Qd7 20.Na8 Ra8 21.Bb7 Qb7+-) 19...Bf3 (19...Rab8 20.Bc6 Bc6 21.Rc6+- (21.bc6?! Rb6 22.Qc2 Rc8+-)) 20.Qf3 (better 20.Nf3 Kg8 21.Bc3+-) 20...Nh5 (20...Ra2 21.Rb1 Rb8+-) 21.d5 (better 21.Na8 Qd7 22.Nc7+-) 21...Qe5 (21...Qf5 22.Qf5 gf5 23.Na8 Bb2+-) 22.Be5 Be5 23.Na8 Ra8 24.b6 (24.Qf7 Rg8 25.Rfc1 Rd8 26.Rc8 Bh2 27.Kh2 Nf6 28.Rd8 Ng8 29.Rg8) 24...Ra1 25.Rb1 (25.Qf7 Rf1 26.Kf1 Ng3 27.hg3 Bg7 28.Rc8 Bf8 29.Qf8) 25...Rb1+- 26.Nb1 Bb2 27.b7 (27.Qf7 Nf6 28.Rc8 Ne8 29.Re8) 27...Kg7+- 28.b8Q Kh6 29.Qf8 (29.Rh4 Bf6 30.Qf8 Bg7 31.Rh5 gh5 32.Qf4 Kg6 33.Q8f7) 29...Ng7 30.Q8f7 (30.Rh4 Kg5 31.Qf4) 30...e5 (30...Bf6 31.Qf4 Bg5 32.Qg5 Kg5 33.Qf4 Kh5 34.Qh4) 31.Rh4 Kg5 (31...Nh5 32.Rh5! gh5 33.Q3h5) 32.Qg4 (32.Q3f6) 1–0. BeepBeepImAJeep (2540) – davept, lichess.org, 2017.

7.Nc3 Nbd7 8.Nf3 Qc7 (8...e5 9.d4=) 9.Be2 e5 10.d4 a6 (10...c5 11.0-0+=) 11.0-0 ab5 12.ab5 Ra1 13.Qa1 Re8 14.Rc1 (14.Rd1 ed4 15.Nd4 Ne5+=) 14...Nf8 (14...ed4 15.Nd4 Ne5 16.Qa7+=) 15.bc6 bc6 16.c5 ed4 17.cd6 (worse 17.ed4 dc5 18.dc5 N8d7=+) 17...Qd6 18.Nd4 Nd5 (18...Bg4!?+=) 19.Nd5+- Qd5 (19...Bd4 20.Bd4 (20.ed4?! Re2 21.Nc3 Re8+=) 20...cd5 21.Rd1+-) 20.Bf3 Qg5 21.Nc6 Bb2 22.Qb2 Bh3 23.Nd4 Ne6 24.Ne6 (24.Qb5 Rd8+-) 24...Re6?? (better 24...Be6 25.Rc7 Rd8+-) 25.Rc8 (25.Rc8 Qd8 26.Rd8 Re8 27.Re8) 1–0. BeepBeepImAJeep (2580) – PsychoKillerr (2215), lichess.org, 2017.

7.Nc3 e5 8.Nf3 Re8 9.Be2 Nbd7 10.0-0 Nc5 11.d4 ed4 12.Nd4 d5 13.cd5 Nd5 14.bc6 (14.Nd5 Qd5 15.Rc1 cb5 16.Nb5 Qd1 17.Rfd1 Bb2 18.Rc5 Be6+/-) 14...Nc3 15.Bc3 Bd4? (better 15...bc6!? 16.Qc2 Bd7+=) 16.Bd4 (16.c7 Qh4 17.Qd4 Qd4 18.Bd4 Ne6+-) 16...Ne6 17.cb7 (17.Bf3!? Qe7+-) 17...Bb7+/- 18.Bf3 (better 18.Rb1!? Be4 19.Rb4+/-) 18...Bf3= 19.Qf3 Nd4 20.ed4 Qd4 21.h3 Qe4 22.Qf6 Re6 23.Qg5 Kg7 24.Qa5 a6 25.Rfe1 Qc6 26.Re6 Qe6 27.Re1 Qc6 28.Qe5 Qf6 29.Qd5 Rd8 30.Qc4 Rd2 31.Rf1 Rd4 (better 31...h6=+) 32.Qc5 (better 32.Qc2=) 32...Ra4-/+ 33.Re1 Ra1 34.Kf1 Re1 35.Ke1 Qa1 36.Ke2 a5 37.g4 (37.Kd2 Qa2 38.Kc3 h6-/+) 37...h6 38.h4 a4 39.h5 (39.Kd2 Qb2 40.Kd3 Qf6-+) 39...g5 (better 39...Qb2 40.Kd3 gh5-+) 40.Qc2?? (better 40.Kd2-+) 40...a3 41.Qd2 a2 42.f4 gf4 43.Qf4 (43.Kf2 Qb1 44.Qd4 Kg8 45.Qd8 Kh7-+) 43...Qb2 44.Kf3 a1Q 45.g5 (45.Qf7 Kf7 46.g5 Qf1 47.Ke4 Qb4 48.Ke5 Qfb5) 45...Qf1 (45...Qh1 46.Kg4 Qe2 47.Kg3 Qeg2) 46.Kg4 Qbg2 47.Kf5 Qd5 (47...Qd3 48.Ke5 Qgd5) 48.Kg4 Qe6 49.Kg3 (49.Qf5 Qef5 50.Kh4 Qg5) 49...Qg1 (49...Qeh3) 50.Kf3 Qh1 51.Kg3 Qeh3 52.Kf2 Q1g2 (52...Q1f1) 53.Ke1 Qhh1 54.Qf1 Qe4 (54...Qhf1) 55.Kd2 Qf1 (55...Qf1 56.gh6 Kh6 57.Kc3 Qc1 58.Kb3 Qec4; 55...Qh2 56.Qg2 Qhg2 57.Kc3 Qgc2) 0-1. brucepeng (2015) - himalayan181 (2010), lichess.org, 2020.

7.Bd3 Bg4 8.f3 Be6 9.Nc3 cb5 10.cb5 a6 11.Nge2 ab5 12.Bb5 Qb6 13.0-0 Nc6 14.Ne4 Ne4 15.Bg7 Nd2 16.Bh6 Nf1 17.Qf1 Rfc8 18.Nf4 Qe3 19.Kh1 Ne5 20.Re1 Qc5 21.Ne6 fe6 22.Re4 Qc1 23.Bc1 1–0. justchilll – eem63 (1605), <1700 SuperBlitz Arena, 2020.

7.d4 Qc7 8.Nf3 Bg4 9.Nc3 Bf3 (9...e5 10.Be2=) 10.gf3 (10.Qf3 Nbd7+=) 10...Nbd7 11.Be2 e5 12.de5 (12.d5 cd5 13.Nd5 Nd5 14.cd5 a6=) 12...Ne5 (12...de5 13.Rg1=+) 13.0-0 Rad8 14.f4 Ned7 15.Ba3 (15.a5 Nc5=) 15...Nc5 16.Bf3 b6 (better 16...Nfd7 17.Qc2 Rfe8=) 17.Bc6+/- Qc8 18.Rc1 Qh3 19.Qf3 Qf5 (19...Qe6 20.Nd5+/-) 20.Nd5 (better 20.Rfd1+/-) 20...Nd3?? (better 20...Nd5 21.cd5 Nb3+/-) 21.Ne7+- Kh8 22.Nf5 Nc1 (22...gf5 23.Rcd1 Nc5 24.Qh3+-) 23.Ng7 Nd3 24.Rd1 (better 24.e4 Kg7 25.Qd3 Kg8+-) 24...Nc5 25.Bb2 Kg7 26.f5 (better 26.Qd5 Rfe8 27.Be8 Re8+-) 26...g5 (26...Na4 27.Bf6 Kf6 28.fg6 Kg7 29.gh7 Nc3+-) 27.Qd5 Na4 28.Ba1 Rfe8 29.Qd4 (29.Be8 Re8 30.Qd6 Re6 31.fe6 Nc3 32.ef7 Kf7 33.Bc3 Ng8 34.Qd5 Kg6 35.Qg8 Kh5 36.Qh7 Kg4 37.Kg2 a6 38.f3) 29...Re5 30.Qd2 (better 30.f4 Rf5 31.e4 Rf4+-) 30…Rf5 (30...Rf5 31.Qc2 Kg6 32.Qa4 d5+-). ClayPigeons (2115) - DrBeans (2095), Rated Bullet game, lichess.org, 2021.

7.d4 Nbd7 8.Nf3 cb5 9.ab5 b6 10.Nc3 Bb7 11.Qb3 (11.Be2 Qc7+=) 11...Re8 (11...Bf3 12.gf3 e5 13.Ne2+=) 12.Be2 e5 13.0-0 ed4 14.ed4 Ne4 15.Qc2 (15.Rfe1!?+=) 15...Nc3= 16.Bc3 Nf6 (16...d5!?=) 17.Rfe1+= Be4 18.Qc1 Qc7 19.Qd2 (19.Bb4 d5+=) 19...d5 20.cd5 (20.Ne5 dc4 21.Bc4 Bd5+=) 20...Nd5= 21.Bb2 Rac8 22.Rac1 Qd6 23.Ne5 Rc1 24.Rc1 Nb4 (better 24...f6 25.Nc4 Qe6=) 25.Ba3?? (25.Nc4 Qe7 26.Ba3+-) 25...Be5-/+ 26.Bb4 Qd5?? (26...Bh2 27.Kh1 Qb8 28.Re1-/+) 27.f3 (27.de5!? Bg2 28.Rc7 Qd2 29.Bd2 Bd5+-) 27...Bf5?? (27...Qd4 28.Qd4 Bd4 29.Kf1=) 28.Bc3?? (better 28.de5 Qd2 29.Bd2 Re5 30.Kf2+-) 28...Bd6 29.Bd3 Bd3 30.Qd3 Rd8 31.Rd1 Bc5 32.Kf1 (32.dc5? Qd3 33.Rd3 Rd3 34.cb6 ab6-+ (34...Rc3?? 35.b7 Rc5 36.b8Q Kg7 37.Kf2+-)) 32...Bd6 33.Rd2 (better 33.Kg1!?=) 33...Bh2-/+ 34.Bb2 (34.Re2 Bd6-/+) 34...Bf4 35.Re2 Qa2?? (better 35...Bg3-+) 36.Kf2 (36.Kf2 Be5! 37.g3-/+). ClayPigeons (2160) - ZINA_MYRMIDE (2125), Rated Bullet game, lichess.org, 2021.

7.Nf3 a6 8.Na3 Nbd7 9.Be2 Nc5 10.0-0 Bg4 11.d3 Qc7 12.e4 ab5 13.ab5 Na4 14.Bd4 e5 15.Be3 Nc3 16.Qd2 Ne2 17.Qe2 Nd7 18.h3 Be6 (18...Bf3 19.Qf3 f5 20.Rfe1=) 19.Ng5+= Rfe8 20.f4?? (better 20.Ne6 fe6 21.Ra2+=) 20…ef4-+ (20...ef4 21.Ne6 fe6 22.Bf4 Ba1 23.Ra1 cb5-+) 0-1. AcemiUsta (2200) - almasssss (2405), Casual Bullet game, lichess.org, 2022.

7.Nf3 cb5 8.ab5 a6 9.Be2 Nbd7 (9...a5 10.0-0+=) 10.0-0+= Nc5 (10...Qc7 11.Nc3+=) 11.Nc3 Bf5 12.h3 (12.d4 Nce4+=) 12...Bd3 13.Nd4 (13.Bd3 Nd3 14.Qb1 Nb2 15.Qb2 Qd7=) 13...e5 14.Nf3 ab5 15.cb5 (15.Nb5 Qd7=) 15...Ra1 (15...Qd7 16.Ra8 Ra8 17.Ne1 Be2 18.Qe2=+) 16.Ba1= Be2 17.Qe2 Qb6 (17...e4 18.Nd4=+) 18.d4+= ed4 19.Nd4 Ra8 20.Bb2 Nfe4 21.Ne4 Ne4 22.Ra1 (22.Qg4 Re8=) 22...Ra1+= 23.Ba1 Qc5 (better 23...d5=) 24.f3?? (24.Nb3 Qb4 25.Bg7 Kg7=) 24...Ng3 (better 24...Qc1 25.Kh2 Nd2-/+) 25.Qe1= Nf5 26.Nf5 Qf5 27.Bg7 Kg7 28.Qc3 Kh6 (28...Qe5 29.Qd3=) 29.Qc7 (29.Qh8 Qd3 30.Qf8 Kg5 31.Qe7 Kh6+=) 29...Qb5= 30.Qd6 Qb1 31.Kf2 b5 (31...Qb2 32.Kg3=) 32.Qf4 (better 32.Qf8 Kg5 33.Qf7+-) 32...Kg7= 33.e4 (33.Qd4 f6=) 33...b4 (33...Qb2 34.Kg3=) 34.e5 (34.Qe5 Kh6=) 34...b3 (34...Qb2 35.Kf1=) 35.Qf6 Kh6 36.Qf7 The passed pawn on e5 will quickly become a dangerous weapon (36.g4 Qb2 37.Kg3 Qd4=) 36...Qc2 (36...Qb2 37.Kg1 Qd4 38.Kh2 Qe5 39.f4 Qf5 40.Qb3 Qf4 41.Kg1 Qd4 42.Kf1 Kg5=) 37.Kg3= b2 38.Qf4?? (better 38.Qf8 Kh5 39.Qf7=) 38...g5-+ 39.e6 (39.Qf8 Kh5 40.Kh2-+) 39...gf4 40.Kf4 (40.Kg4 Qg6 41.Kf4 Qg5 42.Ke4 b1Q 43.Kd4 Qb4 44.Kd3 Qgd2) 40...Qe2 (40...b1Q 41.Kg3 Qe1 42.Kh2 Qg6 43.e7 Qgg3) 41.Kg3 (41.g3 Qc4 42.Ke5 Qc5 43.Kf6 b1Q 44.e7 Qbf5) 41...Qe6 (41...b1Q 42.h4 Qe5 43.f4 Qe3 44.Kg4 Qg6) 42.f4 (42.h4 b1Q 43.Kh2 Qb8 44.f4 Qf4 45.g3 Qd2 46.Kg1 Qee1) 42...b1Q 43.Kh4 Qbf5 (43...Qbg6 44.g4 Qe1) 44.g4 (44.Kg3 Qe1 45.Kf3 Qd3 46.Kg4 Qeg3) 44…Qf4 (44...Qe1) ½–½. RichardSommer (2075) – gustafm (2030), lichess.org, 2020.

7.Nf3 cb5 8.ab5 Qb6 9.Be2 (9.Bd4 Qd8+=) 9...Nbd7 10.0-0 Nc5 (10...Qc7 11.d3+=) 11.h3 (11.Bf6 Bf6 12.d4 Qd8+-) 11...Nh5 (11...Bf5 12.Bf6 Bf6 13.d4+=) 12.Nc3 (12.Bg7 Kg7 13.d4 Ne4+-) 12...Bc3 (12...Nf6 13.d4 Ne6 14.Na4+=) 13.Bc3+- (13.dc3?! Nf6=) 13...Ne4 (13...a5 14.d3+-) 14.Bb2 (better 14.Ba5!? Qc5 15.d4+-) 14...Nhf6 15.Nd4 (15.d3 Nc5+-) 15...Qc7 16.f4 (16.d3 Nc5+-) 16...Bd7 17.Bf3 Qc8 (17...e5 18.Nb3+-) 18.Qc2 Nc5 19.Ra2 Bh3 (better 19...a5!?+-) 20.gh3+- Qh3 21.Bg2 White intends f5 21...Qg3 (21...Qh5 22.Nf3 Ng4 23.Rfa1+-) 22.Rf3 (22.Ne2 Qg4 23.Bf6 ef6+-) 22...Qh4 (22...Qe1 23.Bf1+-) 23.Rh3 (23.Ra1 Qg4+-) 23...Qg4 (23...Qe1 24.Bf1 Nce4 25.Rh2+-) 24.Kh2 Qd7 25.f5 (25.Ne2 Ng4 26.Kg1 Rfc8+-) 25...e5 26.fg6 (26.fe6 fe6 27.Kg1 e5+-) 26...fg6 27.Nf3 (27.Ne2 Qg4 28.d4 Nfe4+-) 27...Ng4 (27...a6 28.ba6 Ra6 29.Ra1+-) 28.Kg1+- e4? (better 28...Qe7+-) 29.Ng5 Nf2 (29...Qf5 30.Ne4 Ne4=) 30.Rh7 (30.Qc3 Nh3 31.Bh3 (31.Nh3?! Kf7+-) 31...Rf1 32.Kf1 Qh3 33.Nh3 Ne6 34.Qh8 Kf7 35.Qf6 Ke8 36.Qe6 Kd8 37.Bf6 Kc7 38.Qe7 Kb6 39.Qd6) 30...Qg4 (30...Qh7 31.Nh7 Kh7+-) 31.Rh8 1–0. RichardSommer (2060) – mahditg (2075), lichess.org, 2020.

7.Nf3 cb5 8.ab5 Bg4 9.Be2 Nbd7 (9...d5 10.d4=) 10.0-0 a6 11.Nc3 ab5 (11...Qc7 12.d3=) 12.cb5 (12.Nb5 Qb6+=) 12...Ra1= 13.Ba1 e5 14.h3 (14.d4=) 14...Bh5 (14...Be6 15.Ng5=) 15.Qc2 (better 15.g4 Ng4 16.hg4 Bg4 17.Qa4+-) 15...d5? Black prepares the advance e4 (15...Bf3 16.Bf3 (worse 16.gf3 Nb6=+) 16...Qb6 17.Na4 Qb5 18.Rb1+=) 16.d4?? (better 16.g4+-) 16...e4= 17.Nd2 (17.Ne5 Be2 18.Ne2 Ne5 19.de5 Nd7=) 17...Be2 18.Ne2 Qe7 (18...Qa5 19.Nc3=) 19.Qc7 Qe6 (19...b6!?=) 20.Qb7+= Rb8 21.Nf4?? (better 21.Qc6+=) 21...Rb7-+ 22.Ne6 fe6 23.f3 (23.g4-+) 23...e5 (better 23...ef3 24.gf3 Rb5-+) 24.de5 Ne5?? (better 24...Ne8-+) 25.Be5= ef3 (25...Rb5 26.Ra1 ef3 27.gf3 Rb7=) 26.Rf3 (better 26.Rb1!? fg2 27.Bd4+=) 26...Ne4=+ 27.Bg7 (better 27.Ne4!? de4 28.Bg7 ef3 29.Bd4=+) 27...Nd2-+ 28.Rf8? (better 28.Bd4 Nf3 29.gf3 Rb5 30.Kf2-+) 28...Kg7 29.Rd8 Rb5 30.Kf2 Ne4 31.Kf3 Ng5 32.Kg4 Ne6 33.Rd7 Kf6 34.Rh7 Rb4 (better 34...Rb3-+) 35.Kf3 (35.Kg3 Ng7-+) 35...Ke5 (better 35...Ng5 36.Kg3 Nh7-+) 36.Ke2 (36.h4-+) 36...Ke4 (better 36...Rb2 37.Kf1 g5-+) 37.Rh6?? (better 37.Rh4 Ke5 38.Rb4+-) 37...Rb2-+ 38.Kd1 Kd3 39.Kc1 Rg2 (39...Rc2!? 40.Kb1 Nc7 41.Rh4-+) 40.Rg6 (40.Rh8-+) 40…Rg6 (40...Rg6 41.Kb2 Ke3 42.h4 Rg2 43.Kb3 d4 44.h5 d3 45.Kc4 d2 46.Kd5 Nd8 47.Kc5 d1Q 48.Kb6 Rb2 49.Kc7 Rb7 50.Kc8 Qd7) 0–1. RichardSommer (2030) – kjaer2014 (2090), lichess.org, 2020.

7.Nf3 Qc7 8.Be2 e5 (8...Re8 9.0-0=) 9.0-0 (9.d4 e4 10.Nfd2 Re8+=) 9...Nbd7 (9...e4 10.Ne1=) 10.Nc3 Nc5 (10...e4 11.Ne1=) 11.d4+= ed4 12.Nd4 (worse 12.Qd4 Nb3 13.Qf4 Na1 14.Ra1 Nh5-+) 12...Re8 13.Bf3 Ne6 14.bc6 Nd4 15.ed4 (15.Qd4!? bc6 16.Nb5 cb5 17.Ba8+-) 15...bc6= 16.d5 (16.Nb5 Qd7 17.Ba3=) 16...cd5 (16...Rb8!? 17.Ba3 c5=) 17.Nd5+= Nd5 18.Bg7 (worse 18.Qd5 Be6 19.Qd2 Bb2 (19...Qc4? 20.Bg7 Kg7 21.Ba8 Ra8 22.Qd6+-) 20.Qb2 Rab8=+ (worse 20...Qc4 21.Ba8 Ra8 22.Rfc1+-)) 18...Kg7 19.Bd5 Rb8 20.Qf3 (20.Re1 Be6+=) 20...Bf5 (20...Be6 21.Rab1=) 21.Rfe1 a5 (21...Re1 22.Re1 Qa5 23.Qe3+=) 22.h3 (22.Re8 Re8 23.Rd1 Kg8=) 22...h5 (22...Re5 23.g4 Be6 24.Re5 de5 25.Be6 fe6 26.Re1=) 23.g4 (23.Qc3 Kg8+=) 23...hg4= 24.hg4 Be6 25.Kf1 (25.g5!? Bd5 26.cd5=) 25...Bd5=+ 26.Qd5 Qc5 (26...Re5 27.Re5 de5 28.Re1=) 27.Re8 (27.Qc5!? Re1 28.Re1 dc5 29.Re5=) 27...Qd5-/+ Do you see the mate threat? 28.Rae1?? (better 28.cd5 Re8 29.Rb1=+) 28...Qc4 (28...Qh1 29.Ke2 Re8 30.Kd3 Qf3 31.Kd2 Qf2 32.Kd3 Qe1 33.c5 Re3 34.Kc2 Qf2 35.Kd1 Re1) 29.Kg1-+ Re8 30.Re8 Qc6 (30...Qc6 31.Rb8 Qa4-+; 30...Qa4 31.Re3-+) 0–1. RichardSommer (2090) – Elsa_Santorini (2050), lichess.org, 2020.

7.Nf3 Nbd7 8.Be2 a6 9.0-0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.cb5 Nc5 13.Nc3 (13.Bf6 Bf6 14.d4 Nd7+=) 13...b6 (13...d5 14.Na4 Ncd7 15.d4=) 14.h3 (14.d4 Nce4+=) 14...Bb7 15.Nd4 (15.d4 Nce4=) 15...Qc7 16.Bf3 (16.Nf3 Rc8=) 16...Ra8 (16...e5 17.Nc2=+) 17.Bb7= Qb7 (17...Nb7 18.Qf3=) 18.Nc6 h5 (18...d5 19.Qc2 Qd7 20.Ne2=) 19.Qf3 (better 19.d4 Nce4 20.Qf3+-) 19...Ra2?? (better 19...Kh7 20.Rb1 Nb3 21.Rb3 Ra1 22.Kh2 Qc7+=) 20.Nd5 (better 20.Na2 Nfe4 21.Qe2+-) 20...Nd5 (better 20...Kh7 21.Nde7 Nce4 22.Bf6 Nf6+-) 21.Bg7?? (better 21.Nd8 e5 22.Nb7+-) 21...Ne3?? (21...e6 22.Bc3+=) 22.Qe3 (better 22.fe3 f5 23.Qd5 Kg7 24.Qa2+-) 22...Kg7+- 23.Qe7?? (better 23.d4 Ne6 24.Re1+-) 23...Qe7-/+ 24.Ne7 Rd2 25.Nc8 Na4 26.Ra1 (26.Rc1 d5-/+) 26...Nc3 27.Nb6 (27.Ra6 Nb5 28.Rb6 Rd5-/+) 27...Nb5 28.Rb1 (28.Kf1 Kf6-/+) 28...Nc3-+ 29.Rb3 Ne2 30.Kh2 d5 31.Rb5 (31.h4 Nd4 32.Rb4 Nf5-+) 31...d4 (31...Nc3 32.Rb3 d4 33.f3-+) 32.Re5 d3 33.Rd5 (33.Nc4 Rc2 34.Ne3 Nc3-+) 33...Rd1 (better 33...Nf4!? 34.Rd6 Rf2 35.Kg3-+) 34.Rd7 d2 (better 34...Nc1-+) 35.Nc4=+ Nf4 (better 35...Kf6=+) 36.Ne5?? (36.Ne3 Re1=) 36...Rf1?? (better 36...Re1 37.Ng6 Kg6 38.Rd2 Kf5-+) 37.Rf7?? (better 37.Rd2 Re1 38.Nf3=) 37...Kh6-+ 38.Rd7 White launches an attack 38...d1Q 39.Nf7 (39.Rd1 Rd1 40.h4 Re1 41.Nf7 Kg7-+) 39...Kh7 (39...Kg7 40.Rd1 Rd1 41.Ng5-+) 40.Rd1 Rd1 41.Ng5 Kg8 42.Ne6 (42.Kg3 Nd3 43.Kf3-+) 42...Rd2 (better 42...Ne6 43.Kg3 Rd3 44.Kh2 h4-+) 43.Nf4 Rf2 (43...Kf7 44.Kg1-+) 44.Ng6 Rg2?? (better 44...Kg7 45.Kg3 Rb2-/+) 45.Kg2+- Kg7 (45...Kg7 46.Nf4 Kh6+-). RichardSommer (2090) – pakiii (2075), lichess.org, 2020.

7.Nf3 Bg4 8.Be2 Nbd7 9.0-0 e5 10.d4 Qe7 11.de5 (11.h3 Bf5 12.Nbd2=) 11...Ne5 (better 11...de5!? 12.a5 cb5 13.cb5 Rfd8=) 12.Ne5+- Be2 13.Qe2 (better 13.Nc6!? bc6 14.Qe2+-) 13...de5= 14.Nd2 Rfd8 15.Nb3 (15.Rfd1 e4=) 15...Rd7 (15...Rac8 16.Ba3 Qc7 17.Rfd1=) 16.a5 (16.Ba3 Qe8=) 16...Rad8 (16...cb5!? 17.cb5 Qb4-/+) 17.Ba3= White gets strong initiative 17...Qe6? (better 17...Qe8=) 18.Nc5+- Qe8 19.Nd7 Qd7 20.Rfd1 Qc7 21.Rd8 Qd8 22.a6 ba6 23.ba6 (23.Rd1 Qe8 24.bc6 Qc6 25.Rd8 Ne8+-) 23...Ne4 (23...e4 24.Qd1 Qc8 25.Rb1+-) 24.h3 (24.Rd1 Qh4 25.Rd7 h6+-) 24...Qb6? (24...Nc3 25.Qe1 Qd3 26.Bb2+-) 25.Bb2 (better 25.Qd3 Nc3 26.Qd7+-) 25...f5 26.Qc2 Qc5? (better 26...Nc5+-) 27.Ba3 Qb6 (27...Qa5 28.Qb1 c5 29.Qb8 Bf8 30.Qe5 Qd2+-) 28.Be7 (better 28.Qb1 Qd8 29.Qb7+-) 28...Qc7 29.Bb4 Qb6 30.Be1 Qc7 (30...Nc5 31.Bc3+-) 31.c5 Qd7 (31...Bf8 32.Bb4+-) 32.Rd1 Do you see the mate threat? 32...Qe6 (32...Qe8 33.f3 Nf6 34.Qb3 Qf7 35.Qf7 Kf7 36.Rd6+-) 33.f3 Ng5 34.Qd3 (34.Rd6 Qe8 35.Qb3 Kh8 36.Rc6 Bf8+-) 34...Nf7 (better 34...Bf8+-) 35.Qd7 Threatening mate... how? 35...Qb3 36.Qc8 (better 36.Qe8!? Bf8 37.Rd7+-) 36...Bf8 37.Qd7?? (37.Rd7 Qb1 38.Kf2 Qc2 39.Bd2 Qc5+-) 37...Qc2 (37...Bg7 38.Qe8 Bf8+-) 38.Bf2+- Qe2 (38...e4!? 39.fe4 fe4+-) 39.Qd3 Qb2? (39...Qd3 40.Rd3 e4 41.fe4 fe4 42.Rd4+-) 40.e4 (better 40.Qc4 e4 41.Rd7+- (worse 41.fe4 fe4 42.Bg3 Qf6+-)) 40...f4 (40...fe4 41.fe4 Qa2 42.Be3+-) 41.Qd2 (better 41.Qc4!? Qb5 42.Qb5 cb5+-) 41...Qd2? (41...Qa3+-) 42.Rd2 Kg7 (42...Ng5 43.Rd7 Ne6 44.Ra7 Nc5 45.Rg7 Kg7+-) 43.Rd7 Kf6 44.Ra7 Ng5 45.Rc7 Nh3 46.gh3 Kg5 (46...Ke6 47.a7 Be7 48.a8Q h6 49.Qe8 Kf6 50.Qe7) 47.Rc6 (47.a7 Kf6 48.a8Q Be7 49.Qe8 Bc5 50.Qf7 Kg5 51.h4 Kh5 52.Qh7) 47...Bc5 (47...Be7 48.a7 Bd8 49.a8Q Bf6 50.Qg8 Kh6 51.Rc7 Be7 52.Re7 Kg5 53.h4 Kf6 54.Qe6) 48.a7 (48.Rc5 Kh6 49.a7 Kh5 50.Re5 Kh6 51.a8Q Kg7 52.Qa7 Kh6 53.Qe7 g5 54.Qg5) 48...h5 (48...Ba7 49.Ba7 Kh6+-) 49.Bc5 h4 (49...Kh4 50.Bf2 Kg5 51.h4 Kh6 52.a8Q Kg7 53.Rc7 Kf6 54.Qc6) 50.Be7 (50.a8Q Kh5 51.Qh8 Kg5 52.Be7) 50...Kh5 (50...Kh6 51.a8Q Kg7 52.Bf6 Kf7 53.Qb7 Ke8 54.Rc8) 51.a8Q g5 52.Bg5! (52.Bg5 Kg5 53.Qg8 Kh5 54.Qg6) 1–0. BeepBeepImAJeep (2620) – Spoturnovsky (2055), lichess.org, 2015.

6.e3 d5

6.e3 Bd7

7.Nf3 c6 8.Be2 cb5 9.ab5 b6 (9...a6 10.0-0+=) 10.0-0+= a6 11.h3 (11.d4 Qc7+=) 11...e5 12.Nc3 Be6 (12...Re8 13.e4+=) 13.d4+- ed4 14.Nd4 Nbd7 (14...Qe7 15.Qb3+-) 15.Nc6 (15.ba6 Nc5+-) 15...Qc7+- 16.Qc2 (16.Ne7 Kh8 17.ba6 Bc4+-) 16...ab5 (16...Nc5 17.Nd4+=) 17.cb5 (better 17.Ra8!? Ra8 18.Bf3+- (18.cb5?! Ne5=)) 17...Nc5 18.Bf3 Bb3 (18...Bf5 19.e4 Be6 20.Rfe1+=) 19.Qd2+- Ra1 (better 19...Bc4!? 20.Qd4 A) 20...Bf1? 21.Nd5 Ra1 A1) 22.Nc7 Rb1 23.Ne7 Kh8 24.Qf6 Bb5 (24...Rb2?! 25.Qd6 Rb1 26.Kh2=) 25.Bd1 Rb2 (25...Rd1 26.Kh2 Rg8 27.Qf7+-) 26.Qd6 Ne4-+; A2) 22.Ba1 Bb5 23.Nc7 Bc6 24.Bc6+-; B) 20...Be6 21.Ne7 Qe7 22.Ra8 Ra8 23.Ba8 Qf8+=) 20.Ra1+- (20.Ba1?! Re8+=) 20...Nfe4?? (better 20...Nb7+-) 21.Ne4 Ne4 22.Be4 Bb2 (22...Re8 23.Bg7 Kg7 24.Bf3+-) 23.Qb2 Be6 (23...Bc4 24.Ra7 Qa7 25.Na7+-) 24.Ra7 Qb8 (24...Qa7 25.Na7 f5 26.Bf3+-) 25.Nb8 (25.Ne7) 25...Rb8+- 26.Qd4 d5 27.Bd5 Rd8 28.Qb6 (28.Qf6 Rb8 29.Be6 Rf8 30.Bf7 Rf7 31.Qf7 Kh8 32.Qh7) 28...Rd5 29.Qb8 (29.Qc6 Rd8+-) 29...Kg7 30.b6 Rd1 31.Kh2 Rb1 32.Qc7 (32.Qe5 Kh6 33.Ra4 Bg4 34.Rg4 Rb4 35.Rb4 g5 36.Qf6 Kh5 37.g4 Kh4 38.Qh6) 32...Rb3 33.b7 (33.Qe5 Kh6 34.Ra4 Bc4 35.Rc4 Rb4 36.Rb4 g5 37.Qf6 Kh5 38.g4 Kh4 39.Qh6) 33...Kf6 Black threatens to counter with Rxb7 34.b8Q (34.Qf4 Kg7 35.Qe5 Kh6 36.Ra4 Rb4 37.Rb4 Bc4 38.Rc4 g5 39.Qf6 Kh5 40.Qf7 Kh6 41.Rc6) 34...Kg7 35.Qb3! Bb3 (35...Kh6 36.Qf4 g5 37.Qe6 fe6 38.Qf6 Kh5 39.Rh7) 36.Rb7 (36.Qc3 Kh6 37.Qb3 f5 38.Qb4 f4 39.Qf4 g5 40.Qd6 Kh5 41.Rh7) 36...Be6 (36...Bd5 37.Qe5 Kh6 38.Rb4 Be4 39.Re4 g5 40.Qf6 Kh5 41.Qf7 Kh6 42.Re6) 37.Rb6 (37.Qe5 Kh6 38.Rb4 g5 39.Qf6 Kh5 40.g4 Bg4 41.hg4 Kh4 42.Qh6) 37...Bb3 (37...Bd5 38.Qe5 f6 39.Qf6 Kh6 40.Rb4 Be4 41.Re4 Kh5 42.Rh4) 38.Rb3 Kh6 (38...h6 39.Rb7 h5 40.Qf7 Kh6 41.Qf4 g5 42.Qd6) 39.Rb7 f5 (39...Kh5 40.Qf4 g5 41.Qf7 Kh4 42.Qh7) 40.Qh7 (40.f4 g5 41.Qh7) 40...Kg5 41.h4 Kf6 (41...Kg4 42.f3) 42.f3 (42.Qe7) 42...Ke5 43.Rb6 Kd5 44.Qe7 (44.Qd7 Ke5 45.Qe6) 44...Kc4 45.Qb4 (45.Qa3 g5 46.Qb3 Kc5 47.Qb5) 45...Kd3 46.Rd6 Ke2 47.Qb2 (47.Kg1 Ke3 48.Qd2) 47…Ke3 (47...Ke3 48.Qd2; 47...Ke1 48.Qc2 Kf1 49.Rd1) 0–1. RichardSommer (1675) – kosteyyy (1660), lichess.org, 2020.

7.Nf3 e5 8.Be2 h6 (8...e4 9.Nd4=) 9.0-0 Kh7 (9...e4 10.Ne1=) 10.h3 (10.d4 ed4 11.Nd4 Be6+=) 10...Nh5 (10...Qe7 11.d4 Rd8 12.Nc3+=) 11.Nc3 f5 12.Qc2 f4 (12...e4 13.Ne1 Nf6 14.f3+=) 13.d4 (better 13.Ne5 de5 14.Bh5+=) 13...Kh8? (13...fe3 14.fe3 Ng3 15.Rf2+=) 14.Nd5?? (14.Qg6 Qe8 15.Nh4 Nf6+-) 14...Be6? (better 14...c6 15.bc6 bc6+=) 15.de5 de5? (better 15...Bd5 16.cd5 fe3 17.fe3 Ng3+-) 16.Ne5 (16.Qg6?! Bf7 17.Qd3 Nd7+-) 16...Bd5 (16...Bf5 17.Ng6 Bg6 18.Qg6 Bb2 19.Qh6 Kg8+-) 17.Ng6 Kg8 18.Nf8 Kf8 (18...Bb2 19.Qb2 (19.Bh5?! Ba1 20.Ra1 Qf6+-) 19...Nf6 20.cd5 Kf8 21.e4+-) 19.Bh5 Be6 (19...Bb2 20.Qb2 Nd7 21.Qh8 Ke7 22.Qh7 Kd6+-) 20.Bg7 Kg7 21.Qg6 (21.Qg6 Kh8 22.Qh6 Kg8 23.Qe6 Kg7 24.Qg6 Kh8 25.Qh6 Kg8 26.Bg4+-) 1–0. RichardSommer (1980) – Koe97 (2005), lichess.org, 2020.

6.e3 Nbd7

7.Nc3 Nc5 8.Nf3 a6 9.Be2 (9.d4 Ne6=) 9...ab5 10.ab5 Ra1 11.Qa1 Bf5 12.0-0 Nb3 (12...e5 13.d4 ed4 14.ed4=) 13.Qd1 Nc5 14.d4 Nce4 15.Ne4 Ne4 (15...Be4 16.Nd2+=) 16.Qb3 (16.Bd3 d5+=) 16...c5+= 17.Ra1 cd4 18.Bd4 (18.ed4 d5+=) 18...e5= 19.Bb2 g5 (19...Nc5 20.Qc3=) 20.Rd1 (20.Qc2 Bg6 21.Qd1 Nc5+=) 20...g4 (20...Qf6 21.Qb4=) 21.Nd2 (better 21.Ne5 Nf2 22.Nc6 bc6 23.Bg7 Nd1 24.Bf8 Ne3 A) 25.bc6?? Qa5 (25...Qf8 26.Qe3 Qd8 27.c5+=) 26.Kf2 Nc2-+ (26...Kf8?! 27.Qe3 Qe5 28.c7=); B) 25.Bd6+=) 21...Nd2? (better 21...Nc5!? 22.Qc3 Qh4=) 22.Rd2+- h5 (22...Qg5 23.Rd6 Be6 24.Qc2+-) 23.Ba3+- Qh4 24.Bd6 g3? (better 24...Ra8+-) 25.hg3 Qg5 26.Bf8 Bf8 27.c5 (27.Qa4 Be6+-) 27...Bc5 28.Qd5 b6 (28...Qe7+-) 29.Qe5 h4 (29...Qg6 30.Rd8 Bf8 31.Bh5+-) 30.g4! Be3 (30...Bg4 A pinning theme 31.Qg5 Theme: Double Attack) 31.fe3 (31.gf5?! Bd2 32.Qb8 Kh7 33.Qb6 Qf5+-) 31…f6 1–0. BeepBeepImAJeep (2605) – iliax (1905), lichess.org, 2015.

7.Nc3 Nc5 8.Nf3 Nfe4 9.d4 Nc3 10.Bc3=.

7.Nc3 Nc5 8.Nf3 Bg4 9.Be2 (9.d4 Nfe4=) 9...Bf3 10.Bf3 (better 10.gf3!? e5 11.a5=+) 10...Nd3-/+ 11.Ke2 Nb2 12.Qc2?? (better 12.Qb3 Nc4! 13.Qc4-/+) 12...Nc4-+ 13.Ne4 (13.Bb7 Rb8 14.Ba6 Nd7-+) 13...Ne5 (better 13...Ne4 14.Qe4 Ba1 15.Qc4-+) 14.Nf6 Bf6 15.Rac1 (15.Bb7 Rb8 16.Ba6-+) 15...Nf3 16.gf3 (16.Kf3 Rc8-+) 16...Rc8 17.Rhg1 Bg7 18.b6 (18.Qe4 d5 19.Qb4 Qd7-+) 18...ab6 19.Qb2 (19.f4-+) 19…c5 (19...c5 20.Qb5 d5-+) 0-1. biktimiroff (1995) - SkonemnaA8 (2005), lichess.org, 2020.

7.Nc3 Re8 8.Nf3 Nc5 9.Be2 (9.d4 Ncd7=) 9...Nfe4 10.Qc2 Nc3 11.Bc3 Bc3 12.Qc3 e5 13.d4 Ne4 14.Qd3 Bf5 15.Qb3 ed4 16.Nd4 Nf2?? (better 16...Qh4 17.g3 Qf6=+) 17.Kf2+- Qh4 (17...Be4 18.Rhf1+-) 18.g3 Qe4 (18...Qg5 19.Nf5 Qf5 20.Bf3+-) 19.Bf3 (19.Nf5?! Qf5 20.Bf3 Rab8+-) 19...Qe7 (19...Qe5 20.Bb7 Rab8 21.Bc6+- (worse 21.Nf5 Rb7 22.Nd4 Qf6 23.Nf3 Qf5+-)) 20.Bb7 (20.Nf5!? gf5 21.Bb7 Rab8+-) 20...Be4 21.Be4 (21.Ba8 Qf6 22.Kg1 Ba8+-) 21...Qe4 22.Rhf1 Rab8 23.Rad1 c5 24.Nc6 (better 24.Ne2+-) 24...Qc6+/- 25.bc6 Rb3 26.Rd6 Rc8 27.Rfd1 Rb6?? (27...Kg7 28.R1d5+-) 28.Rd7 (better 28.Rd8 Rd8 29.Rd8 Kg7 30.c7 Rf6 31.Ke2+-) 28...Rbc6 (28...Rcc6!? 29.Ra7 Rf6 30.Ke1 Rb4+/-) 29.Ra7+- R8c7 30.Ra8 Kg7 31.a5 Re7 (31...Rb7!?+/-) 32.a6+- Ree6 33.a7 (33.Ra1 Rb6+-) 33...Ra6 34.Rd7 Rec6? (better 34...Ra2 35.Kf3 Rf6 36.Ke4 Re6 37.Kd3 Ra3 38.Kc2 Ree3+-) 35.Rb8 Ra2 36.Kf3 Rca6 37.Rbb7 Rf6 38.Ke4 h5 (38...Ra4 39.Kd5 Ra5 40.e4+-) 39.h3 Ra3 40.Rd8 (better 40.Rbc7 h4 41.gh4 Rf1+-) 40...Rfa6 41.Rdd7 Re6?? (41...Rf6 42.Kd5 Ra5+-) 42.Kd5+- Rf6 43.Kc5 Rfa6 (43...Rf5 44.Kb4 Ra1 45.c5+-) 44.e4 (44.Rf7!? Kg8 45.Rfd7 R3a5 46.Kd4 Rf6+-) 44...Rf3 45.Rd8 (better 45.e5 Rf5 46.Kb4 Re5 47.Rf7 Kg8 48.Rg7 Kh8+-) 45...Rfa3 46.Rd6 (better 46.Ra8+-) 46...Ra7 47.Ra7 Ra7 48.Kb6 Re7 (better 48...Ra3!? 49.c5 Rb3 50.Ka6 Rg3+-) 49.c5+- Re4 50.c6 Rc4 (50...Rb4 51.Kc5 Rb1 52.c7 Rc1 53.Kb6+-) 51.c7 Rc7 52.Kc7 g5 (52...Kf8 53.g4+-) 53.Kd7 f6 (53...Kf8 54.Rd5 h4 55.Rg5+-) 54.Ke7 h4 (54...f5 55.Ke6 f4 56.Kf5+-) 55.gh4 (55.g4 f5 56.gf5 Kh7 57.Kf7 g4 58.hg4 h3 59.g5 h2 60.Rh6) 55...gh4 (55...Kg6 56.Rf6 Kh5 57.hg5 Kg5 58.Ke6 Kh4 59.Ke5 Kg3 60.h4 Kh2 61.h5 Kg2 62.h6 Kh2 63.h7 Kg3 64.h8Q Kg4 65.Qg7 Kh5 66.Rh6) 56.Rf6 Kh7 (56...Kg8 57.Rg6 Kh7 58.Kf7 Kh8 59.Rh6) 57.Kf7 Kh8 58.Rh6 1-0. brucepeng (2030) - lumbi1 (2045), lichess.org, 2020.

7.d4 a6 8.Nf3=.

7.d4 c5 8.Nf3 d5 9.Nc3 cd4 10.Nd4 (worse 10.Qd4 Ne4 11.Qd3 Ndc5-/+) 10...dc4 11.Bc4 Nb6 (11...Qc7 12.Qe2=) 12.Bb3 Bg4 13.Nde2 (13.f3 Bc8+=) 13...Rc8= 14.Qd8 Rfd8 15.f3 Bd7 16.Kf2 Nc4 17.Bc4 Rc4 18.Rac1 Be6 19.Rhd1 Rdc8 20.Rd4 R4c7 21.Rcd1 Nd7 22.R4d3 Nf8 23.R1d2 (23.Rd8 Rd8 24.Rd8 Rd7 25.Rd7 Nd7=) 23...h5 (better 23...Bc4!?-/+) 24.Rd8 Kh7 (worse 24...Rc3 25.Nc3 Bc3 26.Bc3 Rc3 27.Rb8+/-) 25.Rc8 Rc8 26.Ne4 Bb3 27.Ng5 (27.a5 Bc4 28.Bg7 Kg7+=) 27...Kg8= 28.Bg7 Kg7 29.Nd4 (29.Rd4 e5 30.Rb4 Bc2=+) 29...Ba4=+ 30.e4? (better 30.Ra2 Rc4 31.f4-/+) 30...e5-+ 31.Ne2 Bb5 32.Rb2 a6 33.g4 (33.f4 Nd7-+) 33...h4 34.Nh3 (34.f4 Nd7 35.h3 Nc5 36.Rb5 ab5 37.fe5 b4-+) 34...Ne6 35.Kg2 Nd4 (35...Bc4 36.Nc3 b5 37.Nd5-+) 36.Nd4 ed4 37.Nf2 Rc3 38.e5 (38.g5 Rc5 39.f4 d3-+) 38...Bc6 39.Kh3 (39.Ne4 Re3-+) 39...Rf3 (better 39...g5 40.Nd1 Rf3 41.Kg2 Rd3 42.Kf2 Rd1-+) 40.Kh4 a5 41.g5 a4 42.e6 (42.Rd2-+) 42...fe6 43.Ra2 a3 44.Ng4 b5 45.Ne5 Rc3 (45...Bd5 46.Nf3 Ba2 47.Nd4-+) 46.Nc6 Rc6 47.Ra3 Rc7 48.Rd3 Rd7 49.Rd4 (49.Kg3-+) 49...Rd4 50.Kg3 Rd5 51.h4 Rf5 52.h5 e5 53.h6 Kh7 (53...Kh7 54.Kh2 e4 55.Kh3 e3 56.Kg2 e2 57.Kg3 e1Q 58.Kg2 Rg5 59.Kf3 Rg3 60.Kf4 Qe3) 0-1. kasperoff (1670) - FanDeGranda (2210), Hourly SuperBlitz Arena, lichess.org, 2018.

7.d4 e5 8.de5 (8.Nf3 ed4 9.Bd4 a6=) 8...de5 9.Nf3 Re8 (9...Qe7 10.Be2=+) 10.Be2= e4 11.Nd4 Qe7 (11...Ne5 12.0-0=) 12.0-0 Qe5 13.Nd2 Qg5 14.N4b3 (14.Ra3 Nc5 15.f4 Qh6=) 14...h5 (14...Ne5 15.Re1=+) 15.c5 (15.Bd4!?=) 15...Nc5=+ 16.Nc5 (16.h4 Qd5=+) 16...Qc5 (16...Bh3! 17.Bf3 ef3 18.Qf3 Bg4=+) 17.Bd4=+ Qg5 18.Qc2 (18.f4 Qf5=) 18...h4 (18...Bh3 19.g3 Bf1 20.Rf1-+) 19.Qc7? (better 19.f4 ef3 20.Nf3=) 19...Bh3 (19...Nd5 20.Ne4 Re4 21.Qc2-+) 20.g3 Bf1 21.Nf1 hg3 22.hg3 Nd5 (22...Rab8 23.Bc4 Nd5 24.Qc5 Bd4 25.ed4-+) 23.Qb7 Bd4 24.ed4 e3 (24...Reb8 25.Qd7-/+) 25.f4 (25.Bf3!? ef2 26.Kf2-/+) 25...Nf4-+ 26.Bf3?? (better 26.Bc4 Qf6 27.gf4-/+) 26...e2 27.Be2 (27.Qc7 ef1Q (27...ef1B?! 28.Qf4 Qf4 29.gf4-+) 28.Kf1 Qg3 29.Qc6 Nh3 30.Qg6 fg6 31.Bd5 Kg7 32.Ba8 Qf2) 27...Ne2 28.Kh2 Nd4 (better 28...Qh5 29.Kg2 Nd4-+) 29.Re1 (29.Ra2-+) 29...Re1 30.Qa8 Kg7 31.Qd8 (31.Qh8 Kh8 32.Kg2 Re2 33.Kg1 Nf3 34.Kh1 Qh5 35.Nh2 Rh2) 31…Qd8 (31...Qd8 32.b6 Qh8 33.Kg1 Qh3 34.ba7 Rf1; 31...Re2 32.Kh3 Qf5 33.g4 Qf1 34.Kh4 Qf2 35.Kg5 Re5) 0–1. BeepBeepImAJeep (2735) – Sviridov_Valery (2750), lichess.org, 2019.

7.Nf3 a5 8.Be2= b6 (8...c6 9.d4=) 9.d4+= c5 (9...e5 10.de5 Ng4 11.0-0+=) 10.0-0 (better 10.bc6!? Nb8 11.d5+-) 10...Bb7 11.Nbd2 Ne4 (11...cd4 12.Nd4 Nc5 13.Bf3=) 12.Ne4+= Be4 13.Nd2 Bb7 14.Bf3 Qc8 15.Rc1 Nf6 16.Nb3 Qc7 17.dc5 (17.Bb7 Qb7 18.d5 Qc8+=) 17...dc5= 18.Bb7 Qb7 19.Qe2 Rad8 20.Rfd1 Qc7 21.h3 (21.Rb1 Ne4+=) 21...h5 22.Qf3 Ng4?? (better 22...Rd1 23.Rd1 Rd8=) 23.Bg7+- (23.hg4?! Bb2 24.Rb1 hg4 25.Qg4 Qe5=) 23...Qh2 24.Kf1 Kg7 (24...Ne3 25.fe3 Kg7 26.Qe4+-) 25.hg4 (25.hg4 Qh4 26.gh5 Rd1 27.Qd1 Qh1 28.Ke2 Qh5 29.f3+-) 1–0. BeepBeepImAJeep (2770) – Boyechko_O (2465), lichess.org, 2020.

7.Nf3 c5 8.Be2 b6 9.0-0 Bb7 10.d4 a6 (10...cd4 11.Bd4 a6 12.Nbd2=) 11.Nbd2 (11.d5 ab5 12.ab5 Qc7+=) 11...ab5 12.ab5 Ra1 13.Qa1 cd4 14.Nd4 (14.ed4 d5=) 14...Nc5 (14...Qc7 15.Qd1=) 15.Bf3 Bf3 (15...Qd7 16.Nc6=) 16.N2f3 Nfe4 (16...Qc7 17.Nc6=) 17.Nc6+= Qc7?? (better 17...Bb2 18.Qb2 Qd7+=) 18.Bg7+- Re8 19.Bh6 f6 20.Rd1 g5 (20...e6+-) 21.Ng5 (better 21.Nfd4 g4+-) 21...Ng5 22.Rd5 (22.Qd4 Nge6 23.Qg4 Kh8+-) 22...Nce6 (22...Nf7 23.Bf4+-) 23.f4 (23.Qd1 Kh8+-) 23...Ne4 (23...Nf7 24.Rh5+-) 24.f5 (24.Qd1 Ng7+-) 24...N6g5 (24...N6c5 25.Qd1 Kh8 26.Qh5+-) 25.h4 (25.Qd4 Kh8+-) 25...Nf7 (25...e6 26.fe6 Ne6 27.Qd1+-) 26.Bf4 (26.Qd4 Kh8+-) 26...Ne5+- 27.Be5 (worse 27.Ne5 fe5 28.Be5 de5 29.Qe5 Qe5 30.Re5 Nd6=+) 27...fe5 28.Qd1 Rf8?? (better 28...Kh8+-) 29.g4 (better 29.Qg4 Kf7 30.Qe4+-) 29...Qd7?? (better 29...Nc3 30.Qf3 Nd5 31.Qd5 Rf7=) 30.Re5!!+- (30.Re5 Nc3 31.Qd3+-) 1–0. BeepBeepImAJeep (2580) – Arkimede (1705), lichess.org, 2016.

7.Nf3 Nc5 8.Nc3 Bg4 9.Be2 a6 10.0-0 ab5 11.ab5 Ra1 12.Ba1 Nfd7 (12...e5 13.d4 ed4 14.ed4= (14.Qd4? Nfe4 15.Qg7 Kg7 16.Ne4 f6 17.Nc5 dc5-+; 14.Nd4?! Be2 15.Qe2 Qd7=)) 13.h3 Bf3 14.Bf3 (worse 14.gf3 e5=+) 14...b6 (14...e5 15.d4 ed4 16.ed4+=) 15.Bc6 (15.d4!? Ne6 16.Bc6+/-) 15...Nd3 16.Qc2 (16.Be4 N7c5 17.Bd3 Nd3+=) 16...N7c5 (16...Nb4 17.Qa4 Nc6 18.bc6=) 17.Ne4 (17.Bf3 Nb4 18.Qb1 Nbd3+-) 17...e6 (17...Nb4!? 18.Qb1 Nc6 19.Bg7 Kg7 20.bc6 e5=) 18.Nc5 Nc5 19.Bg7 Kg7 20.d4 Nd7 21.e4 White prepares d5 (21.Ra1 e5+/-) 21...Nb8 22.d5 (22.Bb7 Qf6 23.Rd1 e5+=) 22...ed5 (better 22...Nc6!? 23.bc6 Qf6=) 23.Bd5 (worse 23.ed5 Nc6 24.dc6 Re8=) 23...Qg5 (23...Qf6 24.Qa4+/-) 24.Re1 (24.Ra1 Nd7+/-) 24...Nd7 25.Bc6 (25.Ra1 Ne5+/-) 25...Ne5+= 26.f4?? (better 26.Qc3!?+=) 26...Qf4 (26...Nf3! 27.Kf1 Ne1 28.Qc3 Qf6 29.Qf6 Kf6 30.Ke1 g5 31.fg5 Kg5-+) 27.Bd5 Qg5 28.Rf1 Qe3 29.Kh1 Qd3 30.Qf2 (better 30.Qd3 Nd3 31.Kg1=+) 30...Nc4?? (better 30...f5-/+) 31.Qf6+- Kh6 32.h4 (better 32.Rf4 Qd1 33.Kh2+-) 32...Ne3 (better 32...Ne5 33.Qf4 Kg7-/+) 33.Rf2?? (better 33.Qg5 Kg7 34.Qf6 Kh6 35.Qg5 Kg7 36.Qf6 Kh6=) 33...Nd5 (better 33...Qd1 34.Rf1 Nf1 35.Qf4 Kg7-+) 34.ed5 Qe3 (34...Qb5 35.Qe7 Kg7 36.Qc7-+) 35.Rf3 (35.Rc2 Qe5 36.Qe5 de5 37.Rc7 Rd8-+) 35...Qe1 36.Kh2 (36.Rf1 Qe5-+) 36...Qe5 37.Qe5 de5 38.Rc3 Rc8?? (better 38...Rd8 39.Rc7 f5-+) 39.d6=+ Kg7 40.d7 (better 40.Rc6!?=+) 40...Rd8-/+ 41.Rc7 e4 42.Kg1 (42.Kg3 f5-/+) 42...f5 43.Rb7 Kf6 44.Kf2 Ke5 45.Ke3 Kd5 46.Rc7 Ke6 47.g3? (better 47.Rc6 Ke5 48.Rc7 f4 49.Kf2-/+) 47...Rd7-+ 48.Rc6 Rd6 49.Rc7 h5 50.Rg7 Kf6 51.Rb7 Ke5 52.Rg7 (52.Re7 Kd5-+) 52...Rd3 53.Ke2 (53.Kf2 Rd2 54.Ke3-+) 53...Rd6 (better 53...Rg3 54.Rb7 f4 55.Kd2-+) 54.Re7?? (54.Ke3 Rd5 55.Rg6 Rb5 56.Ke2-+) 54...Kd5 55.Rc7 Kd4 56.Rc1 Ke5 57.Rd1 (57.Rc7 Rd5 58.Rc6 Rb5 59.Rg6 Rb2 60.Ke3 Rg2-+) 57...f4 (better 57...Rd1 58.Kd1 e3-+) 58.Rf1?? (58.gf4 Ke6 59.Rc1 Kf5-+) 58...Rd3 (better 58...f3 59.Rf3 ef3 60.Kf3 Rd5-+) 59.gf4 Kf5 60.Rg1 Rf3 (60...Rb3 61.Kd2-+) 61.Rg5 (61.Rg5 Kf6 62.Rd5-+). brucepeng (2005) - meds (2015), lichess.org, 2021.

7.Nf3 Nc5 8.Be2 e5 9.d4 ed4 10.Nd4 Nce4 11.0-0 Bd7 12.Bf3 Rb8 13.Nc3 Nc3 14.Bc3 Re8 15.Qb3 (15.a5 Qe7+=) 15...Ne4 (better 15...Ng4=) 16.Bb2 (better 16.Be4 Re4 17.a5+=) 16...Nd2-/+ 17.Qc2 Nf1 18.Rf1 c5 19.bc6 (19.Nb3 Bf5 20.Qe2 Bb2 21.Qb2 Be4 22.Be4 Re4-/+) 19...bc6-+ 20.Bc6?? (20.Ba1!? Qb6-+) 20...Rb2! 21.Qb2 Bc6 22.Qc3? (better 22.Nc6 Bb2 23.Nd8 Rd8 24.Rb1-+) 22...Ba4 (22...Qg5 23.g3 Qc5 24.a5-+) 23.Ra1 Bd7 (23...Bc6 24.Qa3 Qc7 25.Rd1-+) 24.Ra7 Qc8 (24...Qb6 25.Ra1-+) 25.Qb4 (25.Qd3 d5 26.Ne2 Bf5 27.Qd5 Be6-+) 25...Be6 (25...Bd4!? 26.ed4 Bb5 27.f3 Qc4 28.Qc4 Bc4 29.Ra1-+) 26.Ne6 Qe6 27.h3 (27.Ra6 Be5-+) 27...Be5 28.c5 (28.Qa4 Kg7 29.Qb5 Rc8-+) 28...dc5 29.Qc5 Bd6 (better 29...Rc8 30.Qa3 Qb6-+) 30.Qc6 (30.Qd4 Rd8 31.Kf1 Qf5-+) 30...Qe5 (better 30...Bh2! 31.Kh2 Qc6-+) 31.g3 Rf8 32.Kg2 Bb8 33.Ra8 Bd6?? (33...h5 34.Ra4-+) 34.Rf8?? (34.Ra7 Rb8 35.Qf3-+) 34...Bf8 35.Qc2 Qg7 36.Qe2 h5 37.Qf3 h4 38.g4 Qf6?? (38...Qe5 39.Qc6-+) 39.Qe2 (39.Qf6!? Bg7 40.Qd8 Bf8 41.Qh4 Kg7+-) 39...Qf3?? (better 39...Bd6-+) 40.Qf3 f5 (40...Bg7 41.Qe4+-) 41.gf5 (41.gf5 gf5 42.Qh5+-) 1–0. RichardSommer (2110) – deepersystems (2080), lichess.org, 2020.

7.Nc3 e5

8.Be2 Re8 9.d3 h5 10.h4 (10.Nf3 Rb8=) 10...Nf8 (10...a6 11.Nf3=) 11.e4 (11.Nf3 Ne6=) 11...Ne6 12.Bc1 (12.Nf3 a6=) 12...Nd4 13.Be3 Nd7 (13...a6 14.ba6 Ra6 15.Nf3=+) 14.Nf3 (14.g4 Ne2 15.Nge2 hg4=) 14...Nc5 15.Bd4 (better 15.Bg5!? f6 16.Be3=) 15...ed4-/+ 16.Nb1 a6 17.Nbd2 ab5 18.ab5 Ra1 19.Qa1 Bg4 20.Qb1 (20.Nd4? Qf6 21.b6 c6-+) 20...Bh6 (20...Qe7 21.0-0=+) 21.Nf1 (21.Nd4!? Qf6 22.N2b3 Be2 23.Ke2 Nb3 24.Nb3=) 21...c6 22.N1h2 Be6 (22...d5!? 23.cd5 cd5-/+) 23.bc6= bc6 24.0-0 (24.Nd4 Qa5 25.Kf1 Ra8=+) 24...d5 (24...Bg7 25.Ng5=+) 25.cd5 cd5 26.Qc2 de4 27.Qc5 (27.de4 d3 28.Bd3 Qd3 (worse 28...Nd3 29.Rd1+=) 29.Qc5 Qe4=+) 27...ef3-/+ 28.Nf3 Bg4 29.Bd1 Bf3 30.Bf3 Qh4 31.g3 Qg5 (31...Qf6!? 32.Be4 Bf8-/+) 32.Qd4=+ h4 (32...Bg7!? 33.Qd5 Qf6=+) 33.Qh4+= Qh4 34.gh4 Rd8 35.Rd1 Rd4 36.h5 gh5 37.Bh5 Kg7 38.Bf3 Kf6 39.Kf1 Bf4 40.Ke2 Ra4 41.Be4 Ke5 (41...Be5 42.Rc1+=) 42.Rh1 f6 43.Kf3 Bg5 44.Rh8 (44.Rh5 Ke6+-) 44...Ke6 (44...f5 45.Bc6 Rf4 46.Ke2+=) 45.Rb8 (45.Re8 Kd7+-) 45...Ra7 (45...f5 46.Rb6 Ke7 47.Bd5+-) 46.Rb6 Ke7 47.Rb5 Rc7 48.Kg4 Kf7? (48...Bd2!?+-) 49.f4 (49.Rg5!? fg5 50.Kg5 Rc5 51.Kg4 Kf6+-) 49...Bh6 50.Kf5 Bf8 (50...Rd7 51.Rb6 Bg7 52.Rb7 Rb7 53.Bd5 Ke8 54.Bb7+-) 51.d4 (51.Bd5 Kg7+-) 51...Rd7 52.d5 Rc7 (52...Be7 53.Rb3+-) 53.Rb6 Be7 54.Re6 (54.d6 Rc5 55.Kg4 Bd8+-) 54...Rd7 55.Bf3 Rd6 56.Bh5 Kf8 57.Kg6 (57.Ke4 Re6 58.de6 Bd6+-) 57...Re6 (better 57...Rd5!? 58.Be2 Rd6+=) 58.de6+- f5? (better 58...Bd8!?+-) 59.Kf5 Bd6 60.Kg6?? (better 60.Kf6+-) 60...Be7?? (better 60...Bf4 61.Kf6 Bd6+-) 61.f5+- Bh4 (61...Bc5 62.f6 Bb4+-) 62.f6 Bf6 63.Kf6 Kg8 64.Bf7 (64.e7 Kh7 65.e8Q Kh6 66.Qg6) 64...Kh7 65.e7 Kh6 66.Ke6 (66.e8Q Kh7 67.Qe4 Kh6 68.Qg6) 66...Kh7 67.e8Q Kh6 68.Qh8 (68.Kf5 Kg7 69.Qg8 Kh6 70.Qg6) 68...Kg5 69.Qf6 (69.Qf6 Kg4 70.Qf2 Kh3 71.Kf6 Kg4 72.Be6 Kh5 73.Qh2; 69.Qd4 Kh6 70.Kf6 Kh7 71.Qh4) 1–0. BeepBeepImAJeep (2730) – battever (2595), lichess.org, 2020.

8.Nf3 e4 9.Nd4 Nc5 10.Be2 Be6 (10...Nh5 11.Qc2 Nf4 12.Ne4=) 11.0-0 h5 (11...Qe7 12.Qc2=) 12.Qc2 Qd7 13.Ne6 Qe6 14.a5 b6 (14...a6 15.f3+=) 15.a6 (15.f3 ba5 16.fe4 a6+-) 15...Rae8 (15...Rfc8 16.f3+-) 16.Na2 Ng4 17.Bg7 Kg7 18.Nb4 Qe5 Threatening mate... how? 19.g3 Nh6? (better 19...Qf5!?+-) 20.Nc6+- Qg5 21.Qc3 Kh7 22.f4 (22.Na7!? h4+-) 22...ef3 23.Rf3 (23.Bf3 h4 24.Na7 hg3+-) 23...Ne4 (23...h4 24.Rf4 hg3 25.h4 (25.Na7 Ne4 26.Qd3 gh2 27.Kh2 Qg3 28.Kh1 Ng4 29.Bg4 Rh8-+) 25...Qf4 26.ef4 Re2 27.Qg3 Rd2 28.Qe1+-) 24.Qc2+- h4 25.Bd3 hg3? (better 25...f5 26.Kg2 Ra8+-) 26.Be4 gh2 27.Kh1 Ng4 (27...Rh8 28.Raf1+- (28.Na7?! Qe5 29.Rc1 Qe4 30.Qe4 Re4+-)) 28.Raf1 (28.Bd5 Kg7+-) 28...Kg7 29.d3 (better 29.Na7 f5 30.Qc3 Nf6+-) 29...f5 30.Bd5 (better 30.Qb2!? Rf6 31.Qg2+-) 30...Ne3+- 31.Qd2 Qh4?? (better 31...f4+-) 32.Re3+- Re3 33.Qe3 f4 (33...Rh8 34.Na7 Kh7 35.Re1+-) 34.Qd4 Qf6 (34...Rf6 35.Na7 Kh7 36.Nc6+-) 35.Qf2 (better 35.Rf4! Qd4 36.Rd4 Rh8+-) 35...g5 36.Qh2 (better 36.Kh2 Rh8 37.Kg1+-) 36...Rh8 37.Qh8 Kh8 38.Rg1?? (better 38.Na7!? g4 39.Kg2+-) 38...Kg7 (38...f3 39.Re1 Qf4 40.Re8 Kh7 41.Kg1 f2 42.Kf1-+) 39.Kg2 (39.Re1 g4 40.Re7 Kh8 41.Re8 Kh7=) 39...Qf5 (39...g4 40.Rf1 Qh6 41.Na7 Qh3 42.Kg1 Qe3 43.Kg2 Qg3 44.Kh1 Kh6-+) 40.Be4+- (40.Na7 Qd3 41.Re1 Qg3 42.Kf1 f3 43.Re7 Kg6-+) 40...Qg4 41.Kf2 Kf6?? (41...Qh4 42.Ke2 Qh2 43.Rg2 Qh5 44.Ke1 Qh4 45.Kd1 Qh5 46.Kc2 f3=) 42.Rg4+- d5 43.cd5 (43.cd5 Kg7 44.Rg5 Kf6 45.Rf5 Kg7 46.Ne5 f3 47.Rf7 Kh6 48.Nf3 Kh5 49.Rh7 Kg4 50.Rh4) 1–0. BeepBeepImAJeep (2725) – Arthur_Lucas (2575), lichess.org, 2020.

8.Nf3 e4 9.Nd4 Qe7 10.d3 Nc5 11.de4 Nce4 12.Be2 c5 (12...Nc3 13.Bc3 Ne4 14.Bb2=) 13.bc6+= bc6 (better 13...Nc3!? 14.Bc3 Ne4+=) 14.Nc6+/- Qc7 15.Nd4 (15.Ne4 Ne4 16.Bg7 Kg7 17.Qd4 Nf6+/-) 15...Rb8 (better 15...Nc3 16.Bc3 Ne4+=) 16.Rb1?? (better 16.Ndb5 Qe7 17.Ne4 Qe4 18.Bd4+/- (worse 18.Nd6 Qg2 19.Bf3 Qh3+=)) 16...Rb2!-/+ 17.Ne4 (17.Rb2 Nc3 Remove defender) 17...Re2! 18.Ne2 (18.Qe2 Qa5 Double attack (18...Ne4 Zwischenzug); 18.Ne2 Ne4 Zwischenzug; 18.Ke2 Ne4 Zwischenzug) 18...Ne4 19.0-0 Qc4 20.Nf4? (better 20.Rc1 Qa6 21.Nd4-+) 20...Ba6 21.Re1 Nc3 22.Qc1 (22.Qd6 Nb1 23.Rb1 Qa4-+) 22...Nb1 23.Qb1 (23.Qc4 Bc4 24.Rb1 Be5-+) 23...g5 (23...Qa4 24.Nd5-+) 24.Nh3 (24.Nh5 Be5 25.Rc1 Qh4-+) 24...f6 (24...h6 25.Rd1-+) 25.Kh1 (25.Qd1-+) 25...Qe4 (better 25...Qa4 26.Qa1 Qb5-+) 26.Qe4+- f5 (26...Rf7 27.Qc6 Bb7 28.Qd6+-) 27.Qe6 Kh8 28.Qd6 (28.Qd6 g4 29.Qa6 gh3 30.Qa7 hg2 31.Kg2+-) 1-0. brucepeng (2005) - teddy_01190 (1975), lichess.org, 2021.

8.Nf3 Qe7 9.Be2 c6 10.d4 ed4 11.Nd4 Ne5 12.bc6 bc6 13.0-0 Ba6 14.Qb3 Rab8 15.Qa2 Rfc8 16.Rac1 Bc4 17.Bc4 Nc4 18.Qc4 Rb2 19.Nc6 Qe8 20.Ne7 Qe7 21.Qc8 Bf8 22.Rfd1 Qe5 23.Nb5 Qf5 24.Qf5 gf5 25.Nd6 Ng4 (25...Bd6 26.Rd6 Ne4+-) 26.Nf5 Nf2 (26...Nf6+-) 27.Rd8 Ng4 28.Rf8! (28.Rf8 Kf8 29.Rc8) 1–0. BeepBeepImAJeep (2730) – JusticeBot (2560), lichess.org, 2017.

8.Nf3 Re8 9.Be2 Nc5 10.d4 ed4 11.Nd4 Nce4 12.Ne4 Ne4 13.0-0 h5 14.Qc2 h4 15.Bd3 (15.Bf3 Qe7+=) 15...Ng5 Black prepares the advance h3 (15...Qe7=) 16.Bg6 (better 16.f4 Nh7 17.f5+=) 16...fg6=+ 17.Qg6 Qf6?? (better 17...Qe7-/+) 18.Qc2 (better 18.Qe8 Qf8 19.Qh5+-) 18...h3-+ 19.Rab1 (19.f4 hg2 20.Qg2 Nh3 21.Kh1 Re3 22.f5-/+) 19...hg2 20.Rfd1 (20.Kg2 Bh3 21.Kh1 Bf1 22.Rf1 Nf3-+) 20...Nf3 (better 20...Qh6 21.Kg2 Bd4-+) 21.Nf3 Qf3 22.Qg6 (22.Bg7 Kg7 23.c5-+) 22...Qf7 (better 22...Re7!?-+) 23.Qg2 Bf5 Black gets strong initiative 24.Rbc1 Be4 25.Qg3 (25.Qg7 Qg7 26.Bg7 Kg7-/+) 25...Re6 26.Qg7 Qg7 27.Bg7 Kg7 28.Kf1 (28.c5 d5-+) 28...Bf3 29.Rd4 Rh8 30.Ke1 (30.h4 Reh6-+) 30...Rh2 31.Rf4 Bh5 (31...Rf6!? 32.Rf6 Kf6 33.Rc2-+) 32.c5 Rg6 (32...d5 33.Kd2-+) 33.Kd2 dc5 34.Rc5 Rd6 35.Kc3 c6 36.Rff5 (36.bc6 bc6 37.Rd4 Re6-+) 36...Bg6 37.Rf4 cb5 38.ab5 b6 (better 38...Rd7!?-+) 39.Rc7-/+ Kh6 40.Ra7 Rh5 41.Re7 (41.Rd4 Rf6 42.f4 Re6-+) 41...Rb5 42.Rc7 (42.Rd4 Rc6 43.Rc4 Rf6-+) 42...Rd3 43.Kc4 Rb1 44.Rc6 (44.Rb7 Rd2-+) 44...Rc1 (44...b5 45.Kc5 Rc3 46.Kd5 Rd1 47.Ke5 Rc6 48.Rh4 Kg7 49.Rd4 Rd4 50.ed4-+) 45.Kb5 Rb3 46.Ka4 Rc6 Threatening mate: Rcc3 47.Kb3 Re6 48.Kb4 Kg7 49.Rg4 Kf6 50.Rg3 Ke7 51.Kb5 Bf7 52.f4 Be8 53.Kb4 Kd7 (53...Re4 54.Kc3-+) 54.Kc3 Kc7 (54...Bg6 55.Kd4-+) 55.Kd4 Bd7 (55...Bc6 56.f5 Re4 57.Kd3-+) 56.e4 Rd6 57.Ke3 (57.Ke5 b5-/+) 57...b5 58.e5 (better 58.f5-/+) 58...Kb6?? (better 58...Rd1-+) 59.ed6+- Kc6 60.Kd4 (60.Rg6 Kd5+-) 60...Kd6 61.Rg6 Be6 (61...Ke7 62.Ke5 Bh3 63.Rg7 Ke8 64.Rg1+-) 62.Rg5 (better 62.f5 Ke7 63.Re6 Kf7 64.Kc5+-) 62...Ke7? (62...b4+-) 63.Rb5 Kf6 64.Re5 (better 64.Ke4+-) 64...Ke7 (64...Bh3 65.Kc5+-) 65.Ke4 White prepares f5 (65.f5 Ke8 66.Kc3+-) 65...Kf7 66.f5 Kf6 (66...Bb3+-) 67.Re6 Kf7 (67...Kg5 68.Rg6 Kh4 69.Kf4 Kh3 70.f6 Kh2 71.f7 Kh3 72.f8Q Kh4 73.Rh6) 68.Re5 (68.Ke5 Kg7 69.Rg6 Kf7 70.Kd6 Ke8 71.Rf6 Kd8 72.Rf8) 68...Kf8 (68...Kg7 69.f6 Kg6 70.f7 Kg7 71.Rf5 Kf8 72.Ke5 Kg7 73.f8Q Kh7 74.Qf7 Kh6 75.Rh5) 69.Kf4 (69.f6 Kg8 70.Kf5 Kf8 71.Kg6 Kg8 72.Re8) 69...Kf7 (69...Kg7 70.Kg5 Kf8 71.Kg6 Kg8 72.Re8) 70.Re6 (70.Kg5 Kg7 71.f6 Kf7 72.Re7 Kg8 73.Kh5 Kf8 74.Kg6 Kg8 75.Re8) 70...Kf8 (70...Kg8 71.Kg5 Kg7 72.f6 Kg8 73.Kf5 Kf7 74.Re7 Kg8 75.Rg7 Kh8 76.Rd7 Kg8 77.Kg6 Kf8 78.Rd8) 71.Rf6 (71.Rf6 Kg8 72.Kg5 Kg7 73.Re6 Kf7 74.Kh6 Kg8 75.Kg6 Kf8 76.f6 Kg8 77.Re8; 71.f6 Kf7 72.Kf5 Kf8 73.Kg6 Kg8 74.Re8) 1–0. BeepBeepImAJeep (2760) – FirstKnight (2620), lichess.org, 2020.

7.Nf3 e5

8.d4 ed4 9.Bd4 a6=.

8.Be2 e4 9.Nd4= Re8 10.0-0 Nc5 (10...c5 11.bc6 bc6 12.Nc3=) 11.Nc3 h5 (11...Nfd7 12.f3=) 12.Nb3 (12.f3 ef3 13.Bf3 Nd3+=) 12...Bg4 (12...Nd3 13.Bd3 ed3 14.Qb1=) 13.Nc5 (13.f3 ef3 14.Bf3 Bf3 15.Rf3 Ng4=+) 13...dc5= 14.h3 (14.f3 ef3 15.Bf3 Qd3+-) 14...Be2=+ 15.Qe2 Qd3 16.Qd3 ed3 17.a5 Ne4 (17...a6 18.Rfb1=) 18.Rfd1 (18.Ne4 Re4 19.Bg7 Kg7=) 18...Nc3 (18...Bc3 19.Bc3 Nd6 20.Rdc1=+) 19.Bc3= Bc3 20.dc3 Rad8 21.Rd2 Re4 22.Ra4 (22.Rad1!?=) 22...f5 (22...a6 23.ba6 ba6 24.g3-/+) 23.g3 (23.a6 b6=+) 23...Kf7 (23...a6 24.ba6 ba6 25.h4-/+) 24.h4 (24.a6 ba6 25.Ra6 Rc4=+) 24...Rd7 (24...a6 25.ba6 ba6 26.Kf1-/+) 25.Kf1 (25.a6 ba6 26.Ra6 Rc4 27.Ra7 Rc3=) 25...Kf6 (25...a6 26.ba6 ba6 27.Ke1-/+) 26.Ke1 (26.a6 b6=+) 26...Re8 (26...a6 27.ba6 ba6 28.Rd1-/+) 27.Rd1 (27.a6 b6=) 27...Re4 (27...a6 28.Ra2=+) 28.Kd2 (28.Rd2 a6 29.Rb2 g5 30.hg5 Kg5-/+) 28...Re6 (28...a6 29.Rb1=+) 29.Rb1 (29.a6 ba6 30.Ra6 Ra6 31.ba6 Rd6=) 29...Re4 (29...a6!?=+) 30.a6 b6 31.Rd1 Re6 32.Kc1 (32.Re1 c6=+) 32...Red6 (32...c6 33.Kd2=) 33.Rd2 (33.Kd2 Ke5=) 33...Ke5=+ 34.f3 Kf6 35.Rd1 (35.Rf2 Re6 36.Kd2 Ke5=) 35...Ke5 (better 35...d2!? 36.Kc2 Re7 37.Rd2 Re3 38.Rd6 cd6-/+) 36.Kd2 (36.Rd2 Rd8=+) 36...Kf6 37.Re1 Re6 38.Rd1 Red6 (38...Rd8 39.Raa1=+) 39.Re1= Re6 40.Ra3 (40.e4 fe4 41.fe4 Ke5=) 40...Red6 (40...c6 41.Ra4=+) 41.Ra4 (41.e4 fe4 42.Re4 c6+=) ½–½. BeepBeepImAJeep (2705) – BloodforBlood12 (2525), lichess.org, 2019.

8.Be2 Re8 9.0-0 Qe7 10.d4 Nf8 (10...c5 11.Nc3=) 11.Nc3 (11.de5!? de5 12.Be5+-) 11...ed4 12.Nd4 Bd7 (12...Ne6 13.Nd5 Nd5 14.cd5+=) 13.a5 Ne4? (better 13...a6!?+=) 14.Ne4+- Qe4 15.Bf3 Qe7 16.Bb7 Rab8 17.Bc6 f5 (17...Ne6 18.Rb1+-) 18.Bd7 Nd7? (better 18...Qd7 19.Rb1 Ra8+-) 19.Nc6 Qf8 (19...Qe4 20.Nb8 Rb8 21.Bg7 Kg7 22.Qd4 Qd4 23.ed4+-) 20.Bg7 Red8 (20...Qg7 21.Nb8 Rb8+-) 21.Bf8 Rf8 22.Nb8 Rb8 23.Rb1 (better 23.Qd5!? Kf8 24.Qc6 Ke8 25.Qc7 Rd8+-) 23...Rd8 24.Qd5 Kg7 25.Qc6 (25.Qd4 Nf6 26.Qa7 Rd7+-) 25...Nf6 26.Qc7 Rd7 27.b6 Rc7 28.bc7 Ne8 29.c8Q Nf6 (29...Nc7 30.Qc7 Kh6 31.Rb7 f4 32.Qe7 Kh5 33.Rb5 d5 34.Rd5 Kg4 35.h3) 30.Rb7 Kh6 31.Qf8 Kg5 32.h4! Kg4 (32...Kh4 Deflection from f6 33.Qf6 Eliminates the defender f6) 33.Qf6 (33.Qh6 Ne4 34.Qf4 Kh5 35.Rh7) 33...h5 (33...h6 34.Qg6 Kh4 35.Qh6 Kg4 36.Rg7) 34.f3 (34.Qg5) 34...Kg3 35.Qe6 (35.Qg5) 35...f4 (35...Kh4 36.Qe7 g5 37.Kf2 f4 38.Rh1) 36.Qh3 1–0. BeepBeepImAJeep (2475) – vinif1 (1740), lichess.org, 2017.

8.Be2 Re8 9.d4 e4 10.Nfd2 Nf8 (10...c5 11.a5=) 11.c5 (11.0-0 c5+=) 11...d5 (11...dc5 12.dc5 Qd5 13.Qc2=) 12.Nc3 a6 13.f3 (better 13.0-0!?+=) 13...ab5 (13...ef3 14.Nf3 Ng4 15.ba6 Ne3 16.ab7 Bb7 17.Qb3-+) 14.ab5 (14.fe4 b4 15.Na2 Ne4 16.Ne4 Re4 17.Nb4 Re3-/+) 14...Ra1-/+ 15.Qa1 ef3 16.Nf3 Re3 17.Kf2 (better 17.0-0!?-/+) 17...Ng4-+ 18.Kg3? (better 18.Kf1-+) 18...h5 19.h3 (19.h4 Ne6 20.Nd5 Re2 21.Qa8-+) 19...Nf6 (19...h4 20.Kf4 Qf6) 20.Kf2 (20.Re1 Re8-/+) 20...Rc3 (20...Re7 21.Rf1-/+) 21.Bc3=+ Ne4 22.Kg1 Qe7 23.Bd3 (better 23.Bf1=+) 23...c6?? (better 23...Nc3 24.Qc3 Qe3 25.Kh2 Qf4 26.Kg1 Ne6-+) 24.Be4 (24.Qe1 Bf5+=) 24...Qe4 (24...de4 25.Nd2=) 25.Ne5 (25.Be1 cb5 26.Bg3 b6 27.cb6 h4+/-) 25...Be5 (25...cb5 26.Nf3=+) 26.de5 Ne6 (26...cb5 27.Kf2=+) 27.Kh2 (27.Qa8!?=) 27...d4 (27...Nc5?! 28.Rf1 Be6 29.Qa8 Kg7 30.Qd8=+) 28.Re1 (better 28.Qe1 Qe1 29.Be1 Nc5 30.Bf2=+) 28...Qd5?? (better 28...Qf4 29.Kh1 dc3 30.Qc3 cb5-+) 29.Bb2 (better 29.Qa8 Nf4 30.Qc8 Kg7 31.Rg1 dc3 32.e6 Qe6 33.Qe6 fe6 34.Rc1-/+) 29...Qc5?? (better 29...Nf4 30.Rg1 Ne2=+) 30.Qc1?? (better 30.Qa8 Qb5 31.Qc8 Kg7 32.Qd7 Qb2 33.Rf1+-) 30...Qb5-/+ 31.Bd4? (better 31.Qd2-/+) 31...Nd4-+ 32.Qe3 (32.Qg5 Qd5 33.Ra1 Nf5-+) 32...Ne6 (better 32...Nc2 33.Qg3 Ne1 34.Qe1 c5-+) 33.Qg3 Qd5 34.Qf3 (34.Kh1-+) 34...Qf3 35.gf3 b6 (35...Ng5!? 36.Ra1 Kg7 37.f4 Nh3 38.Kg3-+) 36.Rd1 c5 (36...b5 37.Rd6 c5 38.Rc6-+) 37.Rd8 (37.Rb1-+) 37…Nd8 (37...Nd8 38.Kg3 c4-+) 0-1. hurvajsmanka (1615) - ImprovingSkill (2490), Rated Bullet tournament, lichess.org, 2014.

8.Be2 Nh5 9.0-0 f5 10.Nc3 (10.d4 Qe7+=) 10...f4 11.Qc2 fe3 12.de3 Nc5 13.Rfd1 (13.Rad1 Qe8+=) 13...Bf5 (13...e4 14.Nd4 Qh4 15.Bh5 gh5 16.Nd5=) 14.Qd2 (better 14.e4 Bg4 15.Ba3=) 14...Ne4?? (better 14...Nb3!? 15.Qd5 Kh8 16.Qb7 Nc5=) 15.Ne4 (better 15.Qd5 Kh8 16.Ne4+-) 15...Be4+- 16.Ne5 (16.c5!?+-) 16...Be5 (better 16...de5 17.f3 Qd2 18.Rd2 Bf5=) 17.Bh5?? (better 17.Be5!? de5 18.f3=) 17...gh5 (17...Bb2 18.Qb2 gh5 19.f3-/+) 18.Qe2 (18.Be5 de5 19.f3-/+) 18...Qg5?? (better 18...Bb2 19.Qb2 Qg5-+) 19.f4=+ Qg2 (better 19...Bf4!? 20.ef4 Rf4=+) 20.Qg2+= Bg2 21.fe5 Bf3 22.Rf1 (22.Rd2 Rae8 23.ed6 cd6+=) 22...de5 (22...Rf5 23.Rf2+=) 23.Be5 Rf5 24.Bf4 Be4 25.Rad1 Raf8 (25...Rf7 26.Be5+-) 26.Bc7 (26.Rd4 Re8+-) 26...Kf7 (26...Rg5!? 27.Bg3 h4 28.Rf8 Kf8 29.Rf1 Kg7+-) 27.Rf5+- Bf5 28.Rf1 (28.c5 Rc8 29.Bd6 Re8+-) 28...Rg8 29.Kf2 (29.Bg3 Ke6 30.Rf4 Rg4+-) 29...Ke6 (29...Rc8 30.b6 ab6 31.Kg3+-) 30.Ke2 (30.c5!?+-) 30…Rg2 (30...Rg2 31.Rf2 Bd3 32.Ke1 Rg4+-; 30...Rc8 31.b6 ab6 32.Bb6 Rc4 33.a5=). RichardSommer (1950) – thefire1234 (1955), lichess.org, 2020.

6.e3 e5

7.Nc3 a6 8.Nf3 c5 9.d3 Be6 10.Be2 Nbd7 11.Nd2 (11.0-0 h6=) 11...Re8 (11...d5 12.0-0=) 12.Bf3 Rb8 (12...ab5 13.ab5 Qc7 14.0-0=) 13.0-0+= h6 14.Nd5 (14.a5 ab5 15.Nb5 d5+=) 14...Bd5 15.cd5 Nb6 16.Nc4 (16.Qb3 ab5 17.ab5 Qe7+=) 16...Nc4 (better 16...Nbd5!? 17.Qe2 Nb6=+) 17.dc4+= Nd7 18.e4 a5 19.Bc1 h5 (19...f5 20.Bd2+=) 20.Be2 Kh7 21.Bd3 Bh6 22.f4 ef4 23.Bf4 Bf4 24.Rf4 Ne5 25.Qf1 Kg7 26.Ra2 Qg5 (26...f6 27.Be2+=) 27.Raf2+/- Rf8 28.Rf6 Ng4 (28...Qe3 29.Be2+=) 29.Rf7+/- Rf7 30.Rf7 Kh6 (30...Kg8 31.Qf4 Qe5 32.Be2 Qd4 33.Kh1+/-) 31.Qf4 (31.Be2 Ne5 32.Rf4 Kh7+/-) 31...Qf4 32.Rf4 Ne5 33.Be2 Kg7 34.h4 Re8 35.Kf2 Nd7 36.g4 (36.Ke3 Nb6+/-) 36...hg4+= 37.Bg4 (37.Rg4 Nf6 38.Rg2 Rh8=) 37...Nb6= 38.Be6 Re7 39.h5 (39.Rf3!?=) 39...gh5-/+ (39...Nc4?! 40.Rg4 Ne5 41.Rg1=) 40.Rf5 Nc4 (40...Na4 41.e5 de5 42.Re5=+) 41.Rh5 Nb6 (41...Nb2 42.Rg5 Kf6 43.Rf5 Kg6 44.Rf3=+) 42.Rg5 Kf6 43.Rg8 (better 43.Rf5!? Kg6 44.e5=) 43...Na4-/+ 44.Rf8 Ke5?? (better 44...Kg5 45.e5 Nc3=+) 45.Ke3 (45.Ke3 Rf7 46.Rf7 Nc3 47.Rf5) 1-0. BeepBeepImAJeep (2655) - jlhammer (2715), Rated Bullet tournament, lichess.org, 2016.

7.Nc3 b6 8.Nf3 Bb7 9.Be2 Nbd7 10.0-0 Nc5 11.d4 ed4 12.Nd4 Nce4 13.Ne4 Ne4 14.Bf3 Re8 15.Qc2 Qe7 (15...a6 16.a5 ba5 17.Ra5+=) 16.Rad1 (16.a5 ba5 17.Ra5 a6+/-) 16...Rad8 (16...a6 17.Ra1=) 17.a5+= ba5 18.Qa4 (better 18.Ra1!? Ra8 19.Ra5+/-) 18...Nc5= 19.Qa5 Bd4 (19...Bf3!? 20.gf3 Ra8=+) 20.Bd4= (worse 20.Rd4 Bf3 21.gf3 Nb3 22.Qa7 Ra8-/+; worse 20.ed4 Bf3 21.gf3 Qg5 22.Kh1 Qf6=) 20...Bf3 21.gf3 Qg5 22.Kh1 Qh5 23.Kg2 (23.Qa7 Qf3 24.Kg1 Ne6-+; 23.Qc7 Qf3 24.Kg1 Ne4-+) 23...Qg5 24.Kh1 Qh5 25.Kg2 (25.Qa7 Qf3 26.Kg1 Ne6-+; 25.Qc7 Qf3 26.Kg1 Ne4-+) 25...Nb3 (25...Ne6 26.Bf6 (26.Qa7?? Ng5 27.Rg1 Qf3 28.Kf1 Qd1 29.Kg2 Qf3 30.Kf1 Nh3 31.Rg6 hg6-+) 26...Ng5 27.Bg5 (27.Bd8?? Qf3 28.Kg1 Nh3) 27...Qg5 28.Kh1=) 26.Qc3 Nd4 27.Rd4 Re5 28.Rg4 Rf5 (28...f5 29.Rg3+=) 29.Ra1 Rf3 30.Kf3 f5 31.Qd4 fg4 32.Qg4?? (better 32.Kg2 Qh3 33.Kg1+=) 32...Rf8-+ 33.Kg3 Qe5 34.Kg2 Qa1 35.Qe6 Rf7 36.Qe8 (36.Qc8 Kg7 37.Qg4 Rf5-+) 36...Kg7 37.Qe6 (37.Qe4 Qa2 38.Qd4 Kg8-+) 37...Qe5 (better 37...Qa2 38.Qf7 Kf7-+) 38.Qc8 (38.Qe5 de5 39.Kf1-+) 38...Qe4 39.Kg3 (39.Kg1 Qf3 40.Qf8 Kf8 41.h4 Qf2 42.Kh1 Rf3 43.b6 Rh3) 39...Qf3 (39...Rf3 40.Kg2 Re3 41.f3 Qf3 42.Kg1 Re1) 40.Kh4 g5! 41.Kg5 (41.Kg5 h6 Mate attack) 41...Qg2 (41...h6 42.Kh4 Qf2 43.Kh5 Rf5 44.Qf5 Qf5 45.Kh4 Qg5 46.Kh3 h5 47.b6 Qg4) 42.Kh5 (42.Qg4 Qh2 43.Qd4 Kf8-+) 42...Qg6 (42...Qh2 43.Kg4 h5 44.Kg5 Qe5 45.Kh4 Rf2 46.Qc7 Kg6 47.Qd6 Qd6 48.c5 Rh2) 43.Kh4 Kh6 (better 43...Rf2 44.Qd7 Kh6-+) 44.h3 (44.Qg4 Rf2 45.Qg6 Kg6 46.Kg3-+) 44...Qf6 (44...Qg5) 45.Kg3 Qf2 46.Kg4 Qf3 (46...Rg7) 47.Kh4 Qf2 48.Kg4 Rg7 0-1. BeepBeepImAJeep (2730) - martiand2 (2405), lichess.org, 2019.

7.Nc3 b6 8.Nf3 Bb7 9.Be2 Nbd7 10.0-0 d5 11.d4 e4 (11...ed4 12.Nd4 Ne5 13.Qb3+=) 12.Nd2 c6 13.Qb3 (13.bc6 Bc6 14.Qb3 Nb8+/-) 13...cb5 (13...dc4!? 14.Bc4 c5+/-) 14.ab5 (14.cd5?! ba4 15.Ra4 a6+=) 14...dc4 (14...a5 15.cd5 (worse 15.Nd5 Nd5 16.cd5 Nf6+/-) 15...Re8 16.Bc4+-) 15.Nc4 Re8 (better 15...Qc7+-) 16.Nd6 Qc7 (16...Rf8+-) 17.Qf7 (17.Qf7 Kh8 18.Ne8 Ne8 19.Ra4+-) 1-0. BeepBeepImAJeep (2735) - kostya24 (2525), lichess.org, 2020.

7.Nc3 b6 8.Nf3 Bb7 9.Be2 Nbd7 10.d4 ed4 11.Nd4 Re8 12.0-0 Ne5 13.Rc1 Qe7 14.h3 Rad8 (14...a6 15.Nd5 Nd5 16.cd5 Bd5 17.Nf5 gf5 18.Qd5=) 15.Nf3 (15.Nd5 Nd5 16.cd5 Bd5=) 15...Bf3 16.Bf3 Nc4 17.Ba1 Ne5 18.Nd5 Nd5 (18...Nf3!? 19.Qf3 Nd5 20.Bg7 Kg7 21.Qd5 Rd7=) 19.Bd5+= Kh8 (19...Rc8 20.Re1+=) 20.Qc2 Qh4 (20...Rc8 21.e4+=) 21.Qc7 Rd7 (21...Qa4!? 22.Be5 de5+/-) 22.Qc2+/- Rde7 23.Rcd1 g5 24.Rd4 Nf3?? (better 24...Qh6+/-) 25.Bf3+- Bd4 26.Bd4 (26.ed4?! Qf4+-) 26...Kg8 27.Qf5 Re5 (27...Qh6 28.Rc1+-) 28.Be5 Re5 29.Qg4 (29.Qc8!? Kg7 30.Ra1 Qh6+-) 29...Qg4 30.hg4 Kf8 31.Rd1 Ke7 32.Rd4 (32.Bd5 Kf6+-) 32...Rc5 33.g3 Rc1 34.Kg2 Ke6 35.Bc6 Ra1 (35...Rc5 36.e4 Ke7 37.Rd1+-) 36.Re4 (36.Bd5 Kf6+-) 36...Kf6 37.Bd5 Rd1 38.Rd4 Ra1 (38...Rd4 39.ed4 Kg7+-) 39.Bc6 Rc1?? (39...Ke6 40.f4 Re1 41.Bd5 Ke7+-) 40.Rd6+- Ke5 41.Rd4 (41.Rd7 Rc4+-) 41...Ra1 (41...Ke6 42.Be4+-) 42.Rd5 (42.Rd7 Ra4 43.Rf7 Kd6+-) 42...Ke6 (42...Kf6 43.Rf5 Ke7 44.Rg5 Ra4 45.Rg7+-) 43.Rf5 (43.Rg5!? f6 44.Rh5 Ra4 45.Rh7 Ra2+-) 43...h6 (43...f6 44.f4+-) 44.Bd5 Kd6 45.Bf7 Ra2 (45...Ra4 46.f4 a5+-) 46.Be8 1-0. BeepBeepImAJeep (2725) - martiand2 (2410), lichess.org, 2019.

7.Nc3 c5 8.Nf3 a5 9.d3 b6 (9...Re8 10.Be2=) 10.Be2 Bb7 11.0-0 Nh5 12.Nd2 Qg5 (12...Nf6 13.Bf3 Bf3 14.Qf3+/- (14.gf3?! d5=)) 13.Bf3 Bf3 14.Qf3 Nd7 (14...Ra7 15.Nde4 Qd8 16.Nd5+=) 15.Nde4 (15.Qc6 Nhf6+/-) 15...Qe7 16.Nd5 Qe6?? (better 16...Qd8+/-) 17.Nc7+- Qe7 (17...Qf5 18.Qe2 (18.Na8?! Qf3 19.gf3 Ra8+-) 18...Ndf6 19.Na8 Ra8 20.Nd6+-) 18.Na8 Ra8 (18...Qd8 19.Nb6! Nb6 20.Rfb1+-) 19.Nf6! Bf6 (19...Ndf6 20.Qa8 Discovered attack; 19...Qf6 20.Qa8 Discovered attack; 19...Bf6 20.Qa8 Discovered attack; 19...Nhf6 20.Qa8 Discovered attack) 20.Qa8 Kg7 (20...Qd8 21.Qe4+-) 21.Rae1 (21.g4!? e4 22.d4 Qe6+-) 21...Qe6 22.Qd5 (better 22.Qe4 Kg8+-) 22...Qf5 (22...Qd5 23.cd5 Kf8 24.Bc1+-) 23.d4 (better 23.Qd6 Kg8+-) 23...ed4 24.Qf5 gf5 25.ed4 cd4 26.Rd1 (26.f4!? Nc5 27.Rd1 d3+-) 26...Nf4 27.Rfe1 d3?! (27...Ne6 28.Kf1+-) 28.Bf6 (28.Ba3 Nc5+-) 28...Nf6? (28...Kf6 29.Re3 Nc5+-) 29.Kf1 (29.g3!? Ne6 30.Rd3 Ne4+-) 29...Ne4 30.g3 Ne2 (30...Ng6 31.f4 Nc5+-) 31.Rd3 N2c3 32.f3 d5 (32...Ng3 33.hg3 Na4 34.Rd6+-) 33.fe4 Ne4 34.Rd5 (better 34.cd5 Kf8+-) 34...Kf6 (34...Nc3+-) 35.Re4! h6 (35...fe4 36.Rd6 Double attack) 36.Ke2 (better 36.Rf4 h5+-) 36...fe4 37.Ke3 Ke6 38.Ke4 (38.Rd1 f5 39.c5 bc5 40.b6 Ke5 41.b7 Kf6 42.b8Q Kg6 43.Rd6 Kh5 44.Kf4 c4 45.Qe8) 38...f5 39.Rf5 h5 40.Rh5 Kd6 41.Rf5 (41.Rf5 Kd7 42.h4 Kd8 43.h5 Kc7 44.h6 Kd6 45.h7 Ke6 46.h8Q Ke7 47.Qf8 Kd7 48.Rf7 Ke6 49.Qe7) 1-0. BeepBeepImAJeep (2660) - mrsinj (2145), lichess.org, 2016.

7.Nc3 c6 8.Nf3 b6 9.Be2 cb5 (9...e4 10.Nd4 c5 11.Nb3=) 10.cb5 (10.ab5 Qc7+=) 10...Bb7 11.0-0 Re8 12.d4 ed4 (12...Nbd7 13.Rc1+=) 13.Nd4 Nfd7 (13...a6!?+=) 14.Bf3+/- Bf3? (better 14...Qc8+/-) 15.Qf3+- (15.gf3?! Ne5=; 15.Nf3?! Ne5+=) 15...d5 (15...Na6 16.ba6 Ne5 17.Qe2+-) 16.Qd5 (16.Nd5?! Ne5 17.Ne7 Qe7 18.Qa8 Na6+-) 16...Bd4 (16...Na6 17.ba6 Nc5 18.a5+-) 17.ed4 (worse 17.Qd4 Ne5 18.Nd5 f6+-) 17...Ne5 (17...Na6 18.ba6 Rc8+-) 18.de5 Qd5 (18...Nd7 19.Ne4 Nc5 20.Nf6 Kh8 21.Qf3+-) 19.Nd5 Nd7 20.Nc7 Nc5 21.Na8 Ra8 22.a5 Rb8 23.ab6 ab6 24.Bd4 (24.Rfd1 h6+-) 24...Ne6 25.Be3 g5 (25...Nc7 26.Rfc1 Nd5 27.Bd4+-) 26.Ra6 (26.Rfd1 Nf4+-) 26...Nc7 27.Rb6 Re8 (27...Rb6 28.Bb6 Nb5 29.Rd1+-) 28.Bg5 Nd5 (28...Re5 29.Bf4 Rb5 30.Bc7 Rb6 31.Bb6+-) 29.Rd6 Re5 30.Bf6 (better 30.b6 Nb6 31.Bf6 Re8 32.Rb6 h6+-) 30...Nf6 31.Rf6 Rb5 32.h4 Rb4 33.g4! Rg4 34.Kh2 Rh4 35.Kg3 Rh5 36.f4 Kg7 37.Ra6 Rb5 (37...Rh6 38.Rh6 Kh6 39.Kg4+-) 38.Kg4 Rb2 (38...h5 39.Kh4+-) 39.Rf3 (39.Rg1 Rb5+-) 39...Rb8 (39...Rg2 40.Kf5 Rg1 41.Rb3+-) 40.Rg3 Kf8 41.Kh4 Rb4 (41...Rb5+-) 42.Kg4 h5?? (42...Rb8 43.Kg5 Kg7+-) 43.Kg5+- h4 44.Rh3 Kg7 45.Rh4 Rb5 (45...Rb1 46.f5 Rg1 47.Kh5+-) 46.f5 Rb8 (46...Rc5+-) 47.Rah6 (47.f6 Kg8 48.Ra3 Rb5 49.Kh6 Rb8 50.Rg3 Kf8 51.Kh7 Ke8 52.Rd4 Rb1 53.Rg8) 47...Rg8 48.Rh7 Kf8 49.Kf6 Ke8 50.Re4 (50.Rd4 Rf8 51.Rhh4 Rg8 52.Rhe4 Kf8 53.Rd8) 50...Kd8 (50...Kd7 51.Kf7 Rg1 52.Rh6 Rd1 53.Re7 Kc8 54.Rh8 Rd8 55.Rd8 Kd8 56.f6 Kc8 57.Ke6 Kd8 58.f7 Kc8 59.f8Q) 51.Rf7 (51.Kf7 Kd7 52.Kg8 Kc6 53.f6 Kb6 54.f7 Kc6 55.f8Q Kd5 56.Qf5 Kd6 57.Re6) 51...Re8 (51...Kc8 52.Ra7 Rf8 53.Kg7 Kb8+-) 52.Rd4 (52.Rd4 Kc8 53.Re7+-; 52.Ra4 Re7 53.Re7 Kc8 54.Ra8) 1-0. BeepBeepImAJeep (2580) - AstanehChess (2615), lichess.org, 2016.

7.Nc3 c6 8.Nf3 Nbd7 9.Be2 Nc5 10.d4+= ed4 11.Nd4 (11.Qd4? Nfe4 12.Qg7 Kg7 13.Ne4 f6-+) 11...Nce4 12.Ne4 Ne4 13.Qc2 (13.bc6 Qb6 14.Qc2 bc6+=) 13...Qh4 (13...Qa5 14.Kf1 f5 15.bc6 bc6 16.Nc6=) 14.0-0+= c5 15.Nf3 Qe7 16.Bg7 Kg7 17.Rad1 Bg4 18.h3 Bf3 19.Bf3 f5 20.Be4 fe4 21.Rd5 Rf7 22.Rfd1 Rf6 23.Qc3 Kg8 24.Qd2 Raf8 (24...Rd8 25.Rc5 Rf2 26.Qf2 dc5 27.Rd8 Qd8 28.Qf4+/-) 25.Rd6 Rf2 26.Qf2 (better 26.Qd5!? Qf7 27.Qe4+/-) 26...Rf2= 27.Kf2 Qh4? (27...Qf7 28.Kg3 Qc4 29.Rd8 Kg7 30.R1d7 Kh6 31.Rh8+/-) 28.Kg1 (28.Kf1 b6 29.Rd7 Qf6 30.Kg1+-) 28...Qg3= 29.Rd8 Kg7 30.R8d7 Kh6 31.Rb7 Qe3 32.Kh1 Qe2 (32...Qb3 33.Ra1 e3 A) 34.Ra7? e2-+ (34...Qc4 35.Re7 Qc3 36.Rg1+=); B) 34.Re7=+) 33.Rg1 (33.Rc1 Qd2 34.Rg1 Qa5+/-) 33...e3 (33...Qc4 34.Ra7 Qb4 35.Re7+=) 34.Ra7+= Qf2? (better 34...Qc4 35.Re7 Qa4 36.Re3 Qb5+=) 35.Re7+- Qf4? (35...Qh4 36.Re3 Qc4 37.Rb1 Qa4 38.b6+-) 36.a5 Qc4 37.b6 Qb5 (37...Qh4 38.b7 Qe7+-) 38.b7 e2 39.a6! Qa6 (39...Qb6+-) 40.b8Q Qf6 41.Re2 (41.Re2 Qf7 42.Re4 Qf6 43.Rh4 Kg7 44.Qc7 Kf8 45.Rb1 Qe7 46.Rf4 Kg8 47.Qe7 c4 48.Rf8) 1-0. BeepBeepImAJeep (2585) - beka_k (2060), lichess.org, 2016.

7.Nc3 c6 8.Nf3 Re8 9.Be2 d5 10.d4 e4 11.Nd2 Nbd7 12.Qb3 Nb6 13.a5 (13.c5 Nbd7+=) 13...Nc4 14.Nc4 dc4 15.Bc4 Be6 16.Be6 Re6 17.0-0 Qe7 18.a6 (18.Rfc1 Ng4 19.h3 Nf6+=) 18...ba6 (18...cb5 A) 19.Nb5? Rb6-+ (19...ba6?! 20.Nc3=+; 19...Ra6?! 20.Ra6 ba6 21.Nc3=+); B) 19.Qb5 Rb8 20.Rfc1=) 19.ba6+= Nd5 (19...Qd8 20.Qc2+=) 20.Nd5+/- cd5 21.Qd5 Rb8 (21...Rd8 22.Qa5+/-) 22.Ba3 Qe8 23.Bc5 Rd8 24.Qc4 Bf8? (better 24...Rc6!?+/-) 25.Ba7+- Ra8 26.Bc5 (26.d5 Rd6 27.Bd4 Rc8+-) 26...Bc5 27.dc5 (worse 27.Qc5 Rea6 28.Ra6 Ra6+/-) 27...Qc6 28.Rfc1 (28.a7 Qc7+-) 28...h5 (better 28...Ra6 29.Ra6 Qa6+-) 29.a7 h4 30.h3 g5 (30...Kg7 31.Rcb1 Qc7 32.c6 Rc6 33.Qe4+-) 31.Qa4 (31.Rcb1 Ree8+-) 31...Qc7 (31...Qa4 32.Ra4 Re7 33.Rca1+-) 32.c6 Re7 33.Qd4 g4 34.hg4 h3 35.gh3 Re6 (35...Kh7 36.Qf6 Re6 37.Qf4+-) 36.Rc5 Qe7 (36...Rd6 37.Qb4 Rc6 38.Qe4 Ra7 39.Qe8 Kh7 40.Rh5 Rh6 41.Qe4 Kg8 42.Ra7 Qa7 43.Rh6 Qa1 44.Kg2 Qg7 45.Qe8 Qf8 46.Rh8 Kg7 47.Qf8 Kf6 48.Qd6 Kg5 49.f4) 37.c7 Rd6 38.c8Q Rc8 39.Rc8 (39.Rc8 Rd8 40.Rd8 Qf8 41.Rf8 Kf8 42.a8Q Ke7 43.Qae4 Kf8 44.Ra8) 1-0. BeepBeepImAJeep (2650) - Mysterion_rises (2300), lichess.org, 2016.

7.Nc3 d5 8.cd5 Nd5 9.Nd5 Qd5 10.Rc1 (10.d4 e4=) 10...c5 11.Nf3. BeepBeepImAJeep - Jodeldiplom (2415), lichess.org, 2016.

7.Nc3 d5 8.cd5 Nd5 9.Nf3 Nc3 10.Bc3 e4 11.Bg7 Kg7 12.Nd4 c5 13.bc6 Nc6 14.Nc6 bc6 15.Be2 (15.Rc1 Bd7=) 15...f5 (15...Qg5 16.g3=) 16.0-0 Qf6 17.d4 Be6 18.Qc2 Bd5 19.a5 g5 (19...f4 20.g3+=) 20.f3 ef3 21.Bf3 Rae8 22.Rae1 g4 (22...f4 23.Bd5 cd5 24.Qc5+=) 23.Bd5 (23.Bg4 f4 24.Re2+/- (worse 24.Rf4 Qf4 25.ef4 Re1 26.Kf2 Ra1+=)) 23...cd5+= 24.Qc5 Rf7 (24...Qf7!?+=) 25.Qd5+/- Qg5 (25...Qe6 26.Qb5+/-) 26.e4+- f4?? (better 26...Qd8 27.Rf5 Rf5 28.Qf5 Qd4 29.Kh1 Kh8+-) 27.Qg5 (27.Qg5 Kf8 28.Rf4 Rf4 29.Qf4 Kg7 30.Rf1 Kh8 31.Qf6 Kg8 32.Qg5 Kh8 33.Rf7 Rg8 34.Qf6 Rg7 35.Qg7) 1-0. BeepBeepImAJeep (2585) - bekbekus (2165), lichess.org, 2016.

7.Nc3 d5 8.Nf3 d4=+ 9.Nb1 Re8 10.Qb3 c5 11.d3 (11.bc6 Nc6 12.Be2 d3-/+) 11...Bg4 (11...e4!? 12.Ng5 ed3 13.Bd3 de3-+) 12.e4 Bf3 13.gf3 Nh5 14.Bc1 Qd6 (14...Nf4 15.a5-/+) 15.Be2 (15.Nd2 Rd8=+) 15...Qf8 16.Na3 Bh6 17.Nc2 (17.Bh6 Qh6 18.b6 a6-/+) 17...Bc1 18.Rb1?? (18.Rc1 Nf4-/+) 18...Nf4 (better 18...Qh6 19.f4 Bf4-+) 19.Rc1 Qh6 (19...Ne2?! 20.Ke2 Nd7 21.a5-/+) 20.Rd1 (20.Qa3 Nd7-+) 20...Nd7 (20...Ng2 21.Kf1 Qh3 22.Rb1-+) 21.Qb2 (21.Ra1 Qg5-+) 21...Re6 (21...Ng2 22.Kf1 Qh3 23.Rb1-+) 22.Bf1 Rf6 23.h4 Qh5 24.Be2?? (better 24.Rh2-+) 24...Ne2 25.Ke2 Qf3 26.Kd2 Qf4 27.Ne3 Qf2 28.Kc1 Qb2 (28...Qe3 29.Qd2-+) 29.Kb2 de3 30.Rde1 Rf2 31.Kc3 (31.Kb3 e2-+) 31...Nf6 (better 31...a6!? 32.b6-+) 32.Re3 Rd8 33.h5 (33.Rhh3 Nh5-+) 33...Ng4 (better 33...Nh5 34.Rb1-+) 34.Rg3 Nf6 35.hg6?? (35.Re3 Nh5 36.b6 ab6 37.Rb1-+) 35...hg6 (35...fg6 36.Rhh3-+) 36.Rhg1 (36.Rhh3 Rd4-+) 36...Nh5 37.Rh3 (37.Re3 Nf4 38.Rg5 f6-+) 37...Nf4 38.Re3 Ra2 39.Kb3 Rd2 40.Kc3 (40.Rg5 Nd3 41.Rg1 Nf2-+) 40...R2d3 41.Rd3 Rd3 42.Kc2 Rd4 43.Rg5 (43.Kb3 Re4 44.a5 f5-+) 43...Rc4 44.Kb3 Re4 45.Rg4 Rb4 46.Ka3 f5 47.b6 (47.Rg1 Rd4-+) 47...ab6 48.Rg1 Kf7 49.Rd1 Ke7 50.Rh1 Ke6 51.Rh7 Kd5 52.Rb7 Kc4 53.a5 ba5 54.Ka2 Rb7 (54...Rb7 55.Ka3 Nd5 56.Ka4 f4 57.Ka3 a4 58.Ka2 Nc3 59.Ka3 Rb3) 0-1. BeepBeepImAJeep (2755) - supertigre (2600), lichess.org, 2020.

7.Nc3 Nfd7 8.Nf3 f5 (8...e4 9.Nd4 Nc5 10.a5=+) 9.Be2= Nc5 (9...g5 10.0-0+=) 10.d4+= ed4 11.Nd4 (11.ed4 Ne6+=) 11...Ne6 (11...f4 12.0-0=) 12.0-0 c5 (12...f4 13.Bf3 Nc5 14.a5+=) 13.Ne6+- Be6 14.Qc2 (14.Qd3 f4+-) 14...Nd7 15.Rad1 (15.a5 Ne5 16.Nd5 Bd5 17.cd5 f4+=) 15...Ne5 (15...Nb6!?+=) 16.Nd5+- Bd5 17.Rd5 Qe7 18.Rfd1 Rad8 (18...Rae8 19.Qd2 Nf7 20.Bg7 Kg7 21.Bd3+-) 19.h3 (19.Qd2!?+-) 19...f4+= 20.ef4 Rf4 21.Bc1 Rff8 22.Be3 h6 (22...Nf7 23.Bf3+=) 23.a5 g5 (23...Qf6 24.Qd2 Nf7 25.Bg4+-) 24.Qe4 Qf6 25.R5d2 White fights for the Initiative 25...Ng6? (better 25...Rd7+-) 26.Qb7+- Nf4 (26...Rf7 27.Qd5 Bf8 28.Bc5+-) 27.Bf3 (27.Qa7!? Ra8 28.Qc7 Rfc8+-) 27...Nh3 28.gh3 Qf3 29.Qf3 (29.Qa7 Qh3 30.Qb7 d5 31.cd5 Be5-+) 29...Rf3 30.Kg2 Rf6 (30...Rf7 31.Rd6 Rd6 32.Rd6+-) 31.Bc5!! Rc8 (31...dc5 Exploits the pin 32.Rd8 Eliminates the defender d8) 32.Bd4 (32.Ba7 Rc4 33.b6 Rf8+-) 32...Re6? (better 32...Rf7+-) 33.Bg7 (better 33.Ba7!? Rc4 34.Rd6 Rd6 35.Rd6 Kf7+-) 33...Kg7 34.Rd6 Rd6 (34...Kf7+-) 35.Rd6 Rc4 36.Rd7 Kg6 (36...Kf6 37.Ra7 g4 38.b6 gh3 39.Kh3+-) 37.Ra7 Rb4 38.b6 (38.b6 Kf5 39.b7+-) 1–0. BeepBeepImAJeep (2730) – MISSISSIPPIPLAYER (2365), lichess.org, 2016.

7.Nc3 Be6 8.Nf3 Nbd7 9.Be2 Nc5 (9...a6 10.0-0=) 10.d4 Nce4 (10...ed4!? 11.ed4 Nfe4=) 11.Ne4+= Ne4 12.de5 de5 13.Qd8 (13.Ne5?! Qg5 14.0-0 Rad8=) 13...Rad8 14.Be5 Be5 15.Ne5 Nc3 16.Rc1 Ne2 (better 16...Na4!? 17.Ra1 Nc3=) 17.Ke2+- Rd6 (17...Bf5 18.Rhd1+-) 18.Nf3 (18.c5 Rd5 19.Nf3 Rfd8+-) 18...Rfd8 (18...c5 19.Rhd1 Rd1 20.Kd1 (20.Rd1?! Bc4 21.Ke1 Be6+=) 20...Rd8 21.Ke2+-) 19.Nd4+- c5 20.bc6 (20.Ne6?! Rd2 21.Kf3 fe6+=) 20...bc6 21.c5 Rd5 (21...Rd4 22.ed4 Rd4 23.a5+-) 22.Rc2 (better 22.Nc6!? Rd2 23.Ke1 R8d7+-) 22...Bf5+- 23.Nf5 Rf5 24.Rb1 Rfd5 (24...Rg5 25.g3+-) 25.Rb7 R5d7 26.Rd7 Rd7 27.Rb2 (27.Rd2 Rc7+-) 27...Rc7 (27...Rd5 28.Rb8 Kg7 29.Ra8+-) 28.Kd3 (28.a5 Kf8+-) 28...f6 (28...Rd7 29.Kc3 Rd1 30.Rb8 Kg7 31.Ra8+-) 29.Kc4 Kf7 30.Rd2 (30.a5 Re7+-) 30...Ke7 31.Rd6 f5 (31...a5 32.e4+-) 32.h4 Kf7 33.f3 h6 (33...a5 34.e4+-) 34.g4 (34.h5 gh5 35.Rh6 Kg7 36.Rh5 Re7+-) 34...fg4 35.fg4 (35.fg4 Kg7 36.Kd4+-) 1–0. BeepBeepImAJeep (2560) – hernanmador70, lichess.org, 2017.

7.Nc3 Bf5 8.Nf3 Qd7 9.Nh4 (9.Be2 a6=) 9...Be6 10.Be2 d5 (10...e4 11.Qc2=+) 11.cd5 Nd5 12.Nf3 Nc3 13.Bc3 e4 14.Nd4 Bd5 15.0-0 c5 16.bc6 bc6 (16...Nc6 17.Nc6 Bc3 18.dc3 Qc6 19.Bb5=) 17.Bb4 (17.f3 f5+=) 17...Rc8 18.Bc5 (18.Rc1 Bd4 19.ed4 Qe6=) 18...a5 (18...Qd8 19.f3=+) 19.Rb1 Na6 20.Ba3 (20.Ba6!? Ra6 21.Qc2=) 20...Nb4 21.Bb4 (21.f3 Bd4 22.ed4 ef3 23.Bf3 Ba2-/+) 21...ab4-/+ 22.Rb4? (better 22.f3-/+) 22...c5-+ 23.Bb5 Qd8 24.Nc6 Bc6 (24...Rc6?! 25.Bc6 cb4 26.Ba8 Qa8 27.Qb1-+) 25.Bc6 cb4 (worse 25...Rc6 26.Re4 c4 27.Qc2-+) 26.Ba8 Ra8 27.Qb3 (27.f3 ef3 28.Qf3 Ra7-+ (28...Ra4?! 29.Qf7 Kh8 30.Qb3-+)) 27...Qa5 (27...Qd2 28.Qc4-+) 28.Rb1 (28.Qc4 Rd8 29.Qe4 Rd2 30.Qe8 Bf8-+) 28...Qa4 29.Qb4 (29.Qd5 b3! 30.Qb7-+) 29…Qb4 (29...Qb4 30.Rd1 Qd2-+) 0-1. Jimito100 (1895) - Rasul_Musaev (2380), Hourly Bullet Arena, lichess.org, 2020.

7.d3 Ne8 8.Nf3 f5 9.Be2 Nf6 10.0-0 Nbd7 11.Nbd2 Nc5 12.Nb3 Nb3 13.Qb3 Be6 14.Nd2 h6 15.Rac1 (15.d4 Nd7+=) 15...Rb8 (15...a6 16.Bf3 Ra7 17.Rb1=) 16.Bf3 b6 (16...c6 17.Qa3=) 17.Qd1 (17.Bc6 Nd7+=) 17...Bf7 18.a5 Nd7 19.a6 Nc5 20.Bc6 (better 20.Qc2+/-) 20...Nd3-/+ 21.Ba1? (better 21.Rb1-/+) 21...Nc1-+ 22.Qc1 Qg5 23.Nf3 Qh5 24.Qd1 (24.Rd1 Qg4-+) 24...g5 (24...Bc4 25.Bd5 Bd5 26.Qd5 Kh7 27.Rc1-+) 25.Nd2 Qd1 26.Rd1 e4 27.Bg7 Kg7 28.Nb3 (28.Kf1 Rbd8-+) 28...Kf6 (better 28...Bc4!? 29.Nd4 Kf6-+) 29.Bd5 Bd5 30.Rd5 (30.cd5 f4-+) 30...Rfe8 31.Nd4 Re5 32.Nc6 Rd5 33.cd5 Re8 34.h3 Re5! 35.Nb4 (35.Ne5 Ke5 Combination) 35...f4 36.Kf1 f3 37.g3 h5 (37...g4 38.h4-+) 38.g4 hg4 39.hg4 Re8 40.Kg1? (40.Nc6 Rh8 41.Kg1 Rf8-+) 40...Rh8 (better 40...Ke5-+) 41.Nc6 Rh4 42.Nd4?? (better 42.Na7 Rg4 43.Kf1-+) 42…Rg4 (42...Rg4 43.Kf1 Ke5 44.Nc6 Kd5 45.Na7 Kc5-+) 0-1. ThePurplePawn (1920) - blitzbullet (2605), Daily HyperBullet Arena, lichess.org, 2020.

7.d4 ed4 8.Bd4 Nbd7 9.Nf3 Re8 10.Nbd2 c6 11.Be2 a6 12.0-0 ab5 13.ab5 Ra1 14.Qa1 Nh5 15.Rb1 Nc5 16.h3 Bf5 17.Rb2 Bd3 18.Bd3 Nd3 19.Bg7 Ng7 20.Ra2 Nf5 21.Ra7 Qb6? (21...Nc5 22.Qa2+=) 22.Qa5?? (better 22.Ne4! Rd8 23.Nf6 Kf8 24.Nh7 Kg8 25.Nf6 Kf8 26.bc6 Qc6 27.Nd5+-) 22...Qa5+= 23.Ra5 Nc5 24.g4 Ng7 (24...Ne7!?+=) 25.bc6+/- bc6 26.Nd4 Rc8 27.Ra7 (27.Nc6!? Rc6 28.Ra8 Ne8 29.Re8 Kg7 30.Kg2+/-) 27...Nge6+= 28.Ne6 Ne6 29.Ra6 (29.Rd7 Rd8 30.Rd8 Nd8+=) 29...d5 30.Kf1 d4 31.e4 (31.ed4!? Nd4 32.Ne4+=) 31...c5= 32.f3 Rb8 33.Ke2 Rb2 34.Ra8 Kg7 35.Rc8 Nf4 (35...h5 36.Kd1=+) 36.Kd1= Nh3 37.Rc5 Nf4 38.Rc8 (38.Rb5!? Ra2 39.c5=) 38...d3 39.c5 Rc2 40.c6 Ng2 (40...h5 41.gh5 gh5 42.c7-+) 41.c7 (41.g5 Nf4=) 41...Ne3 (41...h5!? 42.gh5 gh5-/+) 42.Ke1= h5 43.Rd8 Rc7 44.Rd3 Nc2 (44...Ng2 45.Kf2 Nf4 46.Rb3=+) 45.Ke2 hg4 46.fg4 Nb4 47.Rb3 Nc6 48.Ke3 Ne5 49.Rb8 (better 49.g5!?=) 49...Ng4 50.Kf4 Nf6 51.Nf3 (better 51.Rb5!?-/+) 51...Rc4-+ 52.Ng5 Nh5 (52...Ne4!? 53.Ne4 f5-+) 53.Kg4 Kf6 (better 53...f5!? 54.Kf3 Kf6 55.Nh7 Ke7-/+) 54.Nh7 (better 54.Rb7!?=) 54…Ke7 (54...Ke7 55.Rb7 Kd6 56.Rf7 Re4 57.Kg5 Re1=) 0-1. kasperoff (1635) - jaro154 (2230), Hourly SuperBlitz Arena, lichess.org, 2018.

7.Be2 Nbd7 8.Nf3 Nc5 9.0-0 Nce4 (9...e4 10.Nd4=) 10.d4 h5 (10...ed4!? 11.Bd4 Re8=) 11.de5+- de5 12.Ne5 Qd1 13.Rd1 Bf5 14.Nc3 (14.f3 Nc5 15.Ba3 Nfd7 16.Nd7 Nd7 17.Bf8 Ba1+-) 14...Rad8 15.Nf3 Rd1 (15...Ng4 16.Ne4 Bb2 17.Rd8 Rd8 18.Ra2+-) 16.Rd1 Nc3 17.Bc3 Re8 18.Nd4 Bc8 19.Bf3 Ne4 20.Ba1 (20.Bb4 a6+-) 20...Bf8 (20...Nc5 21.a5+-) 21.Be4 (21.h3 Bd6+-) 21...Re4+- 22.Nf3 (better 22.h3+-) 22...Bb4?? (better 22...Rc4 23.Bf6 Be6= (worse 23...Ra4 24.Rd8 Bg4 25.Ng5+-)) 23.Rd8+- Kh7 (23...Bf8 24.Nd2 Re6+-) 24.Rc8 (24.Rc8 f6 25.Bf6+-; 24.Rh8) 1–0. RichardSommer (2085) – beecharmer (2040), lichess.org, 2020.

7.Ne2 a6 8.Ng3 ab5 9.ab5 Ra1 10.Ba1 c6 11.Qc1 cb5 12.Qa3 bc4 13.Qc1 Nc6 14.d3 Qe8 15.f3 Nd4 0–1. RichardSommer (2135) – pytekwojtek (2165), lichess.org, 2020.

7.Ne2 a6 8.Ng3 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.Qc1 Nc5 12.d4 (12.Qc2 Qe7=+) 12...Nce4 (better 12...Nb3 13.Qc3 Na1 14.Qa1 ed4 15.Qd4 Ng4=+) 13.Kd1?? (13.Ne4!? Ne4 14.Bd3=) 13...Qe7 (13...Nf2 14.Ke1 Nh1 15.Nh1-+) 14.Na3?? (14.Ke1 ed4 15.Bd4 Nc5-/+) 14...Be6 (14...Nf2 15.Ke2 Nh1 16.Nh1-+) 15.Nc2?? (15.Ke1 ed4 16.Ne4 Ne4 17.Bd4 Bd4 18.ed4 Bc4 19.Bc4 Ng3 20.Qe3 Qe3 21.fe3 Nh1-+) 15...Bh3 (better 15...Nf2 16.Ke1 Nh1 17.Nh1 ed4 18.Nd4 Re8-+) 16.f3? (better 16.Ke1 Bd7 17.de5 de5 18.Qb2=+) 16...d5?? (better 16...Nf2 17.Ke1 Nh1 18.gh3 Ng3 19.hg3 Ra8-+) 17.fe4+- (17.gh3?! Nf2 18.Ke1 Nh1 19.Nh1 ed4 20.Bd4 Ra8+=) 17...Ng4?? (better 17...Bg4 18.Ke1 Ne4 19.Ne4 de4+-) 18.Ke2 (better 18.Ke1 Qh4 19.gh3 Nh2 20.Rh2 Qg3 21.Rf2 de4 22.Qd2+-) 18...Qb4 (18...ed4 19.ed4 Qf6 20.Qe1 (20.ed5?! Bh6 21.Qh6 Nh6 22.gh3 Re8 23.Kd2 Qf4 24.Kc3 f5=; 20.cd5?! Qf2 21.Kd3 Bh6+-) 20...de4 21.d5+- (21.gh3? Qf3 22.Kd2 Bh6 23.Ne3 Ne3-+)) 19.de5 (19.Nb4 ed4 20.gh3 Ne3 21.Nd5 Ra8+-) 19...Rd8 (19...Qc4 20.Ke1 Qa2 21.gh3 Ne5+-) 20.Kd1 (better 20.Nb4 Ne5 21.gh3 dc4 22.Be5 Be5 23.Qc4 Re8+-) 20...Qb1?? (20...Nf2 21.Ke2 Ng4 22.Nb4 Ne5 23.gh3 dc4 24.Be5 Be5 25.Qc4 Rd7+-) 21.Bd3 (better 21.Qb1 Nf2 22.Ke1 Nh1 23.Nh1+-) 21...Qa1?? (21...Qb3 22.gh3 Nf2 23.Ke2 Nd3+-) 22.Na3 (22.Na1!? dc4 23.gh3 Ne5+-) 22...Ra8?? (22...Ne3 23.Ke2 Qa2 24.Bc2 Nc2 25.Nc2 Bg2-+) 23.Rf1 (better 23.Qa1 Ne5 24.gh3 Nd3+-) 23...Qb1 (23...Ra3 24.gh3 Rd3 25.Ke2 Qa2 26.Ke1 Bf8-+) 24.b6 (better 24.Nb1 Bg2 25.ed5 Bf1 26.Nf1 Be5 27.Qc2+-) 24...Qd3-+ 25.Qd2 (25.Ke1 Be5 26.Ne2 Ra3 27.bc7 Bc7 28.Rf7 Ra2 29.Rg7 Kh8 30.Qb2 Ba5 31.Nc3 Bc3 32.Qc3 Qe2) 25…Nf2 1–0. RichardSommer (2055) – The_Gingerbread_Man (2085), lichess.org, 2020.

7.Ne2 c6 8.Ng3 cb5 9.ab5 Nbd7 10.Qc1 Nc5 11.Ke2 Nd5 12.Ne4 Ne6 13.Bc3 Ne7 14.f4 Rb8 15.b6 a5 16.h4 Bf6 17.Ng5 Nc7 18.d4 Be6 1–0. RichardSommer (2105) – jackwalsh2 (2105), lichess.org, 2020.

7.Ne2 Nbd7 8.Ng3 e4 9.Ke2 Nc5 Kf3 Nd3+ 10.Bc3 Bh8 11.Bb4 1–0. RichardSommer (2075) – turboX1 (2085), lichess.org, 2020.

7.Ne2 Ne8 8.Ng3 f5 9.Nc3 f4 10.Qc1?? (better 10.Nge4=) 10…Rf6?? (10...Rf6 11.Nge4 Rf7=; better 10...fg3 11.hg3 Nd7-+) 0–1. RichardSommer (2100) – miguekup (2110), lichess.org, 2020.

7.Ne2 Bg4 8.Ng3 Nbd7 9.d4 Nc5 10.Qc1 Nce4 1–0. RichardSommer (2105) – silvano94 (2100), lichess.org, 2020.

7.Ne2 Nh5 8.Ng3 (8.Nec3=) 8...f5 (8...Ng3 9.hg3 c5 10.Nc3=) 9.Qc1 (9.Nh5 gh5 10.Qh5 a6+-) 9...Nd7 (9...Nf6!?=+) 10.Nc3 (10.Nh5!? gh5 11.Qd1=) 10…a5 (10...a5 11.Nh5 gh5+=; better 10...Ng3!? 11.hg3 Nc5=+) 0–1. RichardSommer (2175) – DarthEasy (2145), lichess.org, 2020.

7.Nf3 b6 8.Be2 Bb7 9.0-0 Nbd7 10.d4 ed4 11.Nd4 Re8 12.Nd2 Nc5 13.Bf3 d5 14.Qc2 Qe7 15.Ba3 Qe5 (15...Rad8 16.Rad1=) 16.cd5+= Nd5 (16...Bd5!? 17.Rac1 Bf8+=) 17.Bc5+/- bc5 18.Qc5 Bf8 19.Qc1 Rad8 20.Nc4 Qg5 21.Na5 Bc8 (21...Ba8!?+-) 22.Nac6 Rd6 23.Na7 Bd7 24.Nac6 Rf6?? (24...h5 25.Qc4 h4 26.a5+-) 25.Re1 (better 25.h4 Qh4 26.Bd5+-) 25...Bd6? (better 25...Bc6 26.bc6 Bb4+-) 26.g3 Bc6 (26...Nb4 27.Rd1 Nc6 28.Bc6 Bc6 29.Qc6 Kf8+-) 27.Qc6 (27.bc6?! Bb4 28.Re2 Nc3+-) 27...Re5 (27...Rd8 28.Qd5 Qd5 29.Bd5+-) 28.h4 Qh6 29.Bd5 g5 30.Nf3 (better 30.f4 gf4 31.ef4 Re1 32.Re1 Qh5+-) 30...gh4 (30...Kg7 31.Qc4 gh4 32.Nh4 Rg5+-) 31.Ne5 hg3 32.fg3 Qg5 33.Ra2 (better 33.Nf3 Qg3 34.Kf1 Qh2+-) 33...Be5 (33...Qe5 34.Rf2 Kg7 35.Qc4+-) 34.Qe8 (better 34.Qc5!? h6+-) 34...Kg7 35.Rg2 (better 35.Ree2+-) 35...Rg6 (35...Bc3 36.Rd1 Be5+-) 36.Qf7 Kh6 (36...Kh8 37.Qe8 Rg8 38.Bg8 h5 39.Rf1 c6 40.Bb3 Kh7 41.Bc2 Kh6 42.Qe6 Bf6 43.Rf6 Kg7 44.Qf7 Kh8 45.Qh7) 37.Rh2 (37.Rh2 Qh5 38.Rh5 Kh5 39.Qh7 Kg5 40.Qh4 Kf5 41.e4) 1-0. Timmermans,M (2375) - Dvirnyy,D (2485), European Blitz, 2018.

7.Nf3 c5 8.d3 Re8 9.Nc3 e4 10.de4 Ne4 11.Rc1 (11.Ne4 Bb2 12.Ra2 Bd4 13.Nd4 Re4+=) 11...Qa5 12.Qb3 f5 13.Bd3 Nc3 (13...Nd7 14.0-0 Nb6 15.Nd5=) 14.Bc3 Bc3 15.Qc3 Qc3 (15...Qa4 16.0-0 Qb4 17.Qa1+-) 16.Rc3+= a6 17.0-0 ab5 18.ab5 Ra2 (18...Nd7 19.Rd1=) 19.Rc2 Rc2 20.Bc2 Nd7 (20...Be6 21.Bb3 Nd7=) 21.Ng5 (better 21.Rd1!?+=) 21...Ne5=+ 22.Bb3 b6 (22...h6 23.Nf3=+) 23.Rd1= Be6 (23...Rd8 24.f4 Nf7 25.Ra1=) 24.Ne6+= Re6 25.h3 Kf7 26.Ra1 Nd7 27.Ra7 (27.Bd1 Kf6+/-) 27...Ke7 (27...Re7 28.Kf1+=) 28.Kf1 Rf6 (28...Re4 29.Ke2+=) 29.Ke2 (29.Bd1 Kd8+/-) 29...Rf8 30.Bc2 Re8 31.Bd3 Ke6 32.f4 Ne5?? (better 32...Re7+/-) 33.fe5+- de5 34.e4 (better 34.Rb7 e4 35.Rb6 Kf7+-) 34...Re7 (34...Kf6 35.Rh7 f4+-) 35.ef5 gf5 (35...Kd6 36.Re7 Ke7 37.fg6+-) 36.Bf5! (36.Bf5 Kf7 37.Re7 Ke7 38.Bh7+-) 1-0. BeepBeepImAJeep - Risk_It_4Biscuit (1705), IM BeepBeepImAJeep simul, lichess.org, 2017.

7.Nf3 c6 8.Nc3 Nbd7 9.Be2 d5 10.cd5 cd5 11.d3 Nc5 (11...a6 12.0-0=) 12.d4 ed4 13.Nd4 (worse 13.Qd4 Nb3 14.Qd1 Na1 15.Qa1 Be6-/+) 13...Ne6 14.0-0 Bd7 15.Re1 (15.Rc1 Nd4 16.Qd4 Be6+=) 15...Qe7 (15...Rc8 16.Rc1=) 16.Nf3 (16.Bf3 Qb4 17.Nb3 Rfd8 18.Nd5 Nd5 19.Bg7 Ne3 20.Re3 Kg7+/-) 16...Rac8 (16...Rfd8!?+=) 17.Nd5+/- Nd5 18.Bg7 Ne3?? (better 18...Kg7 19.Qd5 Nc5+/-) 19.fe3 (better 19.Bf8 Nf8 20.fe3 Qe3 21.Kh1+-) 19...Ng7 20.Rc1 (20.Qd4!? b6 21.e4=) 20...Qe3=+ 21.Kh1 Bg4 22.Rc8 Rc8 23.Nh4?? (better 23.h3 Be6 24.Bd3=+) 23...Be2-+ 24.Re2 (24.a5-+) 24...Rc1 25.Re1 (25.g3 Rd1 26.Kg2 Qe2 27.Kh3 Qf1 28.Kg4 Rd4 29.Kg5 Ne6 30.Kh6 Qc1) 25…Qe1 (25...Qe1 26.Qe1 Re1) 0-1. brucepeng (2035) - Biyiyo (2045), lichess.org, 2021.

7.Nf3 c6 8.Nc3 Bg4 9.Be2 Nbd7 10.0-0 Nc5 (10...e4 11.Ne1 Be2 12.Qe2=) 11.d4+= ed4 12.Nd4 (worse 12.Qd4 Nfe4 13.Qg7 Kg7 14.Ne4 f6-+) 12...Be2 13.Nde2 (13.Qe2 Ne6+=) 13...Qe7 14.Re1 (14.Nd4 Rac8=) 14...Rad8 (14...Ng4 15.Rf1=+) 15.Ng3 (15.Nd4 Rc8=) 15...h5 16.Qe2 h4 17.Nh1 h3 18.gh3 Qe6 19.Kg2 (19.a5 Qh3 20.f3 d5=+) 19...Nfe4 (19...Nfd7!?-/+) 20.Ne4= Qe4 21.Kg1 (21.f3 Qh4 22.Bg7 Kg7=) 21...Qh4 (21...Bb2!? 22.Qb2 Qc4-/+) 22.Bg7= Kg7 23.Qf3 (23.Qg4 Rh8 24.Ng3 Qh3 25.Qh3 Rh3 26.Red1=) 23...Rde8 (23...Nd3!? 24.Red1 Qc4=+) 24.Ng3 (24.bc6 Qe4 25.Qe4 Re4 (worse 25...Ne4 26.cb7 Re7 27.Ng3+/-) 26.cb7 Rc4=) 24...Qh3 25.Qg2 (25.bc6 Rh8 26.cb7 Qh2 27.Kf1 Qh3 28.Ke2 Qh4+=) 25...Qg4 (25...Rh8 26.Red1 Qg2 27.Kg2=) 26.a5 (26.bc6!? bc6 27.Red1+/-) 26...Rh8 (26...Qc4? 27.Nf5 Kh7 28.Nd6+-) 27.bc6 bc6 28.Rad1 d5 (28...Nb3 29.f3 Qh3 (worse 29...Qc4 30.Nf5 Kh7 31.Nd6+-) 30.Qb2 Kg8+=) 29.cd5+/- cd5 30.Rd5 Ne6 31.Re5 (31.Red1+/-) 31...Ng5? (31...Rd8+=) 32.Re8?? (better 32.Nf5! gf5 33.Qg4 fg4 34.Rg5 Kf8 35.Rg4+-) 32...Nf3= Exerts pressure on the backward pawn 33.Kf1 (33.Kh1 Ne1 34.Qe4 Nd3 35.Qg4 Nf2 36.Kg2 Ng4 37.Rh8 Kh8=) 33...Rh2 34.Qh2 (better 34.Rc1!? Nd2 35.Kg1 Rg2 36.Kg2 Qf3 37.Kg1=) 34...Nh2-/+ 35.Kg2 Nf3 (better 35...Qf3 36.Kg1 Qc6 37.Kh2 Qe8-+) 36.Re4?? (better 36.Rc1=) 36...Ne1-+ 37.Kf1 Qd1 38.Rd4 Nd3 39.Kg2 f5 (39...Qc2!? 40.Nh1 Ne1 41.Kf1-+) 40.Rd7 Kf6 41.Rd6 Ke7 (41...Kg5 42.Rd4-+) 42.Rd4 (42.Ra6 Ne1 43.Kg1 Nf3 44.Kg2 Nh4 45.Kh3 Qg4 46.Kh2 Qf3 47.Ra7 Kf6 48.Ra6 Kg5 49.Rg6 Kg6 50.Kh3 Qg2 51.Kh4 Qh2) 42...f4! 43.ef4 (43.Re4 Kf7 44.ef4 Qd2-+) 43...g5! 44.fg5 Kf7 45.Rd7 (45.Rh4-+) 45...Kg6 46.Rd6 Kg5 47.Rd5 Kf6 (47...Kg4 48.Kh2 Qc2 49.Ne4 Qc7 50.Nd6 Nf2 51.Kg2-+) 48.Rf5 Ke6 49.Rf3 (49.Rf8-+) 49...Ne1 50.Kh3 Qf3 51.Kh4 Qf2 52.Kg4 (52.Kg4 Qf3 53.Kh4 Ng2 54.Kh3 Ne3 55.a6 Nf5 56.Kh2 Qf2 57.Kh3 Qg3; 52.a6 Ng2 53.Kg4 Ne3 54.Kg5 Qg3 55.Kh5 Kf5 56.Kh6 Qg6). brucepeng (2005) - nikita03140 (2020), lichess.org, 2021.

7.Nf3 c6 8.Nc3 Bg4 9.Be2 Re8 10.h3 Bf3 11.Bf3 e4 12.Ne4?? (better 12.Be2=) 12...Ne4-+ (12...Re4?! 13.Be4 Ne4 14.Bg7 Kg7 15.0-0=) 13.Bg7 Kg7 14.0-0 Nd7 (14...a6 15.Be4 Re4 16.d3-+) 15.Qc2 (15.bc6 bc6 16.d3-/+) 15...Ndc5?? (better 15...d5-+) 16.bc6 bc6 (16...Ng5!? 17.Bd5 Rb8=+) 17.d4+= d5 (17...Qc7!?+=) 18.dc5+/- f5 (18...Rc8!?+/-) 19.cd5 cd5 20.Rfd1 Rc8 21.c6 (21.Be4 Re4 22.Rac1 Rc6+-) 21...Qd6 22.Rac1 Rc7 (22...Re6 23.Qb2 Kh6 24.Qd4+-) 23.Rb1 (23.Be4 Re4 24.Qb3 Re5+-) 23...Rec8 (23...Rc6!? 24.Rb7 Kh6+/-) 24.Be4+- fe4 25.Qc3 (better 25.Qe4! de4 26.Rd6 Rc6 27.Rd7 Kf6 28.Ra7+-) 25...Kh6 26.Qd4 (26.Qa5 Qc6 27.Rd5 Qf6+/-) 26...Rc6 (26...Qc6 27.Qd5 Qa4 28.Rd4+/-) 27.Qd5 Qd5 28.Rd5 Rc4 29.Ra1 R8c5 30.Rd7 (30.Rc5 Rc5 31.Rd1 Kg5+/-) 30...a5 31.Rd4 (31.g4!?+/-) 31...Rd4+= 32.ed4 Rc4 33.f3 (33.Rd1 Kg7+=) 33...ef3 (33...Rd4 34.Kf2 ef3 35.Kf3 Kg5=+) 34.gf3 (better 34.Rd1!?=) 34...Rd4-/+ 35.Kg2 Kg5 36.Kg3 h5 37.Ra3 h4 38.Kf2 Kf4 39.Rb3? (better 39.Ra2-/+) 39...Ra4-+ 40.Rb6 g5 (40...Ra2!? 41.Ke1 Rh2 42.Rg6 Rh3 43.Ra6-+) 41.Rf6 Ke5 42.Rf8 Ra2 43.Kf1? (better 43.Ke3-+) 43...a4 44.Re8 (44.Ke1 Rh2 45.Ra8 Rh3 46.Ra4 Rf3-+) 44...Kf4 45.Rf8 (45.Rd8 Kg3 46.Rd3 Kh3 47.f4 Kg4 48.fg5 Kg5-+) 45...Kg3 46.Rg8 (46.Ke1 a3 47.Rg8 Ra1 48.Ke2 a2 49.Rg5 Kh3-+) 46...Kf3 (46...a3 47.Rg5 Kh3 48.f4-+) 47.Ke1 (47.Rf8 Kg3 48.Rg8 a3 49.Rg5 Kh3-+) 47...Rg2 (47...a3 48.Rg5 Rb2 49.Ra5-+) 48.Rf8 (48.Rc8 Rg1 49.Kd2 g4-+) 48...Kg3 49.Rg8 (49.Ra8 Kh3 50.Ra4 g4-+) 49...Kh3 50.Ra8 Rg4 (50...Ra2!? 51.Kd1 g4 52.Kc1-+) 51.Rb8 Rf4 52.Rb2 (52.Ke2 g4 53.Rb1 g3-+) 52...Kg4 (better 52...g4 53.Rd2-+) 53.Rg2 Kf5 54.Rc2 h3 55.Rc5 (55.Rh2 g4 56.Kd2 a3-+) 55...Kg4 56.Rc2 Kh4 57.Rh2 (57.Rc1-+) 57...g4 58.Rd2 g3 59.Rd8 White threatens to counter with h2 59...h2 60.Rh8 Kg4 61.Rg8 Kf3 62.Rh8 Kg2 (62...g2 63.Rh3 Kg4 64.Ke2 g1Q 65.Rh4 Kh4 66.Kd2 Qd4 67.Kc1 h1Q 68.Kc2 Qhd1) 63.Rc8 h1Q 64.Kd2 Qf1 (64...Rd4 65.Kc2 Qd1 66.Kb2 Qb3 67.Ka1 Rd1 68.Rc1 Rc1) 65.Kc3 (65.Kc2 Qe2 66.Kc3 a3 67.Rg8 Qc4 68.Kd2 Rf2 69.Ke3 Re2) 65...Qf2 (65...Qc1 66.Kd3 Qd1 67.Kc3 Qd4 68.Kc2 Rf2 69.Kc1 Qa1) 66.Rd8 (66.Rf8 Qc5 67.Kb2 Rb4 68.Ka1 Qd4 69.Ka2 Qb2) 66...Qe3 67.Rd3 (67.Kc2 Rc4 68.Kb2 Qb3 69.Ka1 Rc1) 67...Qe5 (67...Qc1) 68.Kc2 (68.Kc2 Rf2 69.Rd2 Qd4 70.Rf2 gf2 71.Kb1 f1Q 72.Ka2 Qfa1). brucepeng (2020) - ChessCleric (2030), lichess.org, 2020.

7.Nf3 Nfd7 8.Be2 f5 (8...e4 9.Nd4=) 9.0-0 f4 10.Nc3 Nc5 (10...e4 11.Nd4 Nc5 12.f3=) 11.d4+- Ne6 12.de5 de5 13.Nd5 (13.Ne4!? Qd1 14.Rad1+=) 13...c6= 14.Nb4 e4 15.Nd4? (15.Bg7 ef3 16.Bf8 Qf8 17.Bf3 Qb4=) 15...c5?? (better 15...f3 16.gf3 Nd4 17.Bd4 Bh3-/+) 16.Ne6= Be6 17.Bg7 Kg7 18.Nd5 Bd5 19.Qd5 Qd5 20.cd5 f3 21.gf3 ef3 22.Bd3 Nd7 23.Rfc1 (23.Rac1 Rae8=) 23...b6 (23...Rad8 24.Ra3=) 24.e4 (24.a5 Rad8=) 24...Ne5 25.Bb1 (25.Rc3 Rf4 26.Bc2 c4=) 25...g5 (25...a6 26.Bc2=+) 26.a5= g4 27.Kf1 h5 28.Rc4?? (better 28.Ke1=) 0–1. RichardSommer (2170) – KlndS (2045), lichess.org, 2021.

7.Nf3 Re8 8.Be2 Nbd7 9.0-0 Nc5 10.d4 ed4 11.Nd4 Bd7 12.Bf3 Rb8 13.Nc3 Nfe4 14.Ne4 Ne4 15.Qc2 f5 16.c5 (16.a5 a6+=) 16...dc5 17.Be4 b6?? (better 17...cd4 18.Bd5 Kh8=) 18.Nc6+- Qh4 (18...Bc6 19.Bc6 (19.bc6?! Re4 20.Rad1 Qf8=) 19...Re7 20.Bg7 Kg7 21.Qc3 Kh6 22.Rad1+-) 19.Bd5 Be6 (19...Kh8 20.Nb8 Rb8+-) 20.Be6 Re6 21.Bg7 (better 21.Nb8 Qe4 22.Qe4 fe4 23.Bg7 Kg7+-) 21...Rc6 22.bc6 Kg7 23.Qc3 (23.Rad1 Rd8+-) 23...Kh6 (23...Qf6 24.Qf6 Kf6 25.Rad1+-) 24.Qe5 Qc4 (24...Rc8 25.Rad1 Qe4 26.Qf6+-) 25.Qc7 Re8 (25...Ra8 26.a5 ba5 27.Qb7+-) 26.Qd7 (better 26.Qa7 Qe6 27.Qb6+-) 26...Re4 (26...Qe6 27.Qa7 Rc8+-) 27.c7 Rg4 28.c8Q Threatening mate... how? 28...Rg2 29.Kg2 Decoy to g2 29...Qg4 30.Kh1 Threatening mate: Qf8 30...Qf3 31.Kg1 Qg4 32.Kh1 Qf3 33.Kg1 Qg4 34.Kh1 ½–½. RichardSommer (1960) – astrozilla (1995), lichess.org, 2020.

7.Nf3 Bf5 8.Nc3 Nbd7 9.Be2 e4 10.Ne4 Be4 11.d3 Bf5 12.e4 Be6 13.0-0 f5 14.ef5 Bf5 15.Rc1 (15.d4 e4 16.Nd2 a6=) 15...Nc5 16.d4 ed4 17.Nd4 Bd7 (17...Qh4 18.Nf5 Rf5 19.Bg7 Kg7 20.g3=) 18.Ba1 a6 19.Bf3 ab5 20.cb5 (20.ab5 Ra3 21.Bc3 Re8=) 20...Ra4=+ 21.Rc5 (21.Nb3 Ne6=) 21...Ra1 (worse 21...dc5 22.Qa4 cd4 23.Bd5 Kh8 24.Bd4 Bd4 25.Qd4 (25.Bb7?? Qh4 26.Kh1 Rf2-+) 25...Qf6 26.Qc5=) 22.Qa1 dc5 23.Bb7?? (better 23.Qa2 Kh8 24.Ne6 Be6 25.Qe6=+) 23...Bd4-+ 24.Qd1 Bb5 (better 24...Qe8 25.Bf3 Bb5-+) 25.Qb3-/+ Kg7 26.Qb5 Qf6 27.h3 (better 27.Bf3!?-/+) 27...Bf2-+ 28.Kh1 Qd6 29.Qb2 (29.Bf3 Qg3 30.Be2 Qe5-+) 29...Bd4 30.Qe2 Rf1 31.Qf1 Qg3 32.Bd5 Be5 (better 32...Qe3-+) 33.Qg1? (better 33.Qf7 Kh6 34.Qf8 Bg7 35.Qc5-+) 33...Qd3 (33...h5!? 34.Be6-+) 34.Bf3 c4 35.Qf1 (35.Qd1-+) 35…Qf1 0-1. brucepeng (2005) - bishi1930 (2030), lichess.org, 2020.

7.Nf3 Bg4 8.Be2 Qd7 9.0-0= h6 (9...a6 10.Nc3=) 10.d4 e4 11.Nfd2 Be2 12.Qe2 Qe7 13.Nc3 c6 14.Rac1 Nfd7 (14...Re8 15.Rce1+=) 15.Ba3 (better 15.Nde4 f5 16.Ng3+-) 15...c5?? (better 15...f5+=) 16.Nd5+- (16.Nde4?! a6+/-; 16.Nce4?! a6 17.Qd3 ab5 18.ab5 f5+/-) 16...Qd8 17.dc5 (better 17.Ne4 Nb6 18.dc5 Nd5 19.cd5 dc5 20.Nc5+- (20.Rc5?! Re8 21.Rc4 Nd7+-)) 17...Nc5 18.Bc5 dc5 19.Nb3 (19.Ne4!? Nd7 20.Rcd1+-) 19...b6 20.Rfd1 Qg5?? (20...Nd7 21.Rc2+=) 21.a5 (better 21.Nc7 Qe7 22.Na8+-) 21...Nd7+/- 22.ab6 ab6 23.Nc7 (23.Nd2!?+=) 23...Rad8= 24.g3 (24.Rc2 Nf6=) 24...Ne5 25.h4 (better 25.Nd5 Nf3 26.Kg2=) 25...Nf3?? (better 25...Qf5 26.Nd5 Kh7-/+) 26.Qf3+/- ef3?? (better 26...Qe7 27.Qf4 Be5 28.Qe4 Qc7+/-) 27.hg5+- hg5 28.Nd5 (better 28.g4+-) 28...Rd6 (28...Rb8 29.Rc2+-) 29.Nd2 (better 29.Ne7 Kh7 30.Rd6+-) 29...Rfd8 (29...g4+-) 30.Ne4 R6d7 (30...Kh7 31.Ndf6! Rf6 32.Rd8+-) 31.Nef6 (better 31.Ndf6 Bf6 32.Nf6 Kf8 33.Nd7 Ke8 34.Nb6 Ke7+-) 31...Bf6 (31...Kh8 32.Nd7 Rd7 33.Nb6 Rd1 34.Rd1 Bc3+-) 32.Nf6 (32.Nf6 Kg7 33.Nd7+-) 1-0. BeepBeepImAJeep (2630) - WillyJohnson (2280), lichess.org, 2017.

7.Nf3 Bg4 8.Be2 Nbd7 9.Nc3 Nc5 10.d4 ed4 11.Nd4 Be2 12.Nce2 Qd7 13.0-0 Nfe4 14.Qc2 Qg4 (better 14...Rae8=) 15.f3+/- Qg5 16.fe4 Qe3 17.Kh1 Ne4 18.Ng3?? (better 18.Rf3 Qd2 19.Qe4 Qb2 20.Rff1+-) 18...Ng3-+ (18...Bd4?! 19.Ne4 Bb2 20.Rae1=+) 19.hg3 Bd4 20.Rae1?? (20.Bd4 Qd4 21.Rad1-+) 20…Qh6 0-1. brucepeng (2030) - DA_VINCI_CODE5 (2035), lichess.org, 2021.

7.Nf3 Bg4 8.Be2 Nbd7 9.h3 (9.d4 e4 10.Nfd2 Be2 11.Qe2 Re8=) 9...Bf3 (9...Be6 10.d4=) 10.Bf3 Nc5 (10...e4 11.Be2=) 11.d3 (11.d4 ed4 12.Bd4 Nfe4=) 11...e4 (11...Re8 12.0-0=) 12.Be2 (12.de4 Re8=) 12...ed3 13.Bd3 Nd3 (13...Nfd7 14.Bg7 Kg7 15.Be2=) 14.Qd3 Qe7 (14...Re8 15.0-0=) 15.Nd2 (15.0-0 Qe6=) 15...Rad8 (15...Rfd8 16.0-0=) 16.Qc2 (16.0-0 Qe6=) 16...c5 (16...a6 17.0-0=) 17.0-0 d5 18.Rad1 Rd6 19.cd5 Rd5 20.Nc4 (20.Bf6 Bf6 21.Ne4 Rfd8+=) 20...Rfd8 21.Rd5 Rd5 22.Rd1 Qd7 (22...Qe4 23.Qb3+=) 23.Rd5+= Qd5 24.f3 b6 25.Kf2 (25.e4 Qe6+=) 25...Nh5 (25...Nd7 26.Bg7 Kg7 27.Qc3 Kg8 28.e4=) 26.Bg7 Ng7 27.Nd2 (27.a5 Ne6=) 27...Ne6 (27...h6 28.Ne4 Qe6 29.Qd3=) 28.Ne4 Qe5 29.f4 (29.Qc3 Qc3 30.Nc3 f5=) 29...Qg7 30.Qd2 (30.Kg1 Qa1 31.Kh2 Qg7=) 30...f5 (30...Qa1 31.Nc3=) 31.Qd5+= Qe7?? (better 31...Qf7 32.Nd6 Qf6+=) 32.Ng5+- Qf6 (32...h5 33.Ne6 Kh7 34.Qe5+-) 33.Qe6 (better 33.Ne6 Kf7 34.Nc5 Kg7 35.Ne6 Kf7 36.Ng5 Ke7 37.Qb7 Kd8 38.Qa8 Kd7 39.Qa7 Kc8 40.Qh7 Qb2 41.Kg3 Qf6+-) 33...Qe6 34.Ne6 Kf7 (34...c4 35.Ke2+-) 35.Ng5 (better 35.Nc5!? Ke7 36.Nd3 Ke6+-) 35...Kg7 36.Ke2 h6 37.Nf3 (better 37.Ne6!? Kf6 38.Nc5 g5+-) 37...Kf6 38.Kd3 Ke6 (38...Ke7 39.Ne5 g5 40.Nc6 Kd7 41.g4+-) 39.Kc4 Kf6 (39...Ke7 40.Ne5 Kf6 41.Nc6+-) 40.g3 (40.Ne5 h5+-) 40...g5 (40...Ke6 41.Ne5 g5 42.Nc6+-) 41.fg5 hg5 42.g4 f4 (42...Kg6 43.Ne5 Kf6 44.Nd7 Ke7 45.Nb6 fg4 46.Nd5 Ke6 47.hg4+-) 43.e4 Kg6 44.Kd5 Kf6 45.Kd6 White prepares e5 45...c4 46.e5 Kf7 (46...Kg7 47.e6 c3+-) 47.e6 Ke8 48.Ne5 (48.Ng5 f3 49.Nh7 f2 50.Nf6 Kf8 51.e7 Kg7 52.Nh5 Kg6 53.e8Q Kg5 54.Qe7 Kg6 55.Qg7) 48...c3 49.Nd3 (better 49.Nd7 c2 50.Nf6 Kf8 51.e7 Kf7 52.e8Q Kf6 53.Qh8 Kg6 54.Qh5 Kf6 55.Qh6 Kf7 56.Qh7 Kf6 57.Qc2 a6 58.Qf5 Kg7 59.ba6 b5 60.a7 ba4 61.a8Q a3 62.Qaf8) 49...f3?? (49...c2 50.h4 f3 51.hg5 c1Q 52.Nc1 f2-+) 50.Ke5?? (better 50.Nb4 f2 51.Nd5+-) 50...c2-+ 51.Ke4 (51.Kd5 c1Q! 52.Nc1 f2-+) 51...c1Q! 52.Nc1 f2 1–0. DEFFM – GuestCNHT, freechess.org, 2016.

7.Nf3 Bg4 8.Be2 Bf3 9.Bf3 e4 10.Be2 c6 11.0-0 cb5 12.cb5 Nbd7 13.d3 Nc5 14.de4 Nfe4 15.Bg7 Kg7 16.Na3 (16.Qd4 Qf6 17.Qf6 Nf6+=) 16...Qh4 (16...Nc3 17.Qc2 Ne2 18.Qe2 Na4 19.Nc4=) 17.Bf3+= Ng5 18.Bd5 Rae8 (18...Qa4 19.Qa4 Na4 20.Bb7+/-) 19.Rc1 Re5 (19...Qa4 20.Qa4 Na4 21.Bb7+/-) 20.Rc4 (20.f4 Rd5 21.Qd5 Nge4+-) 20...Qh6? (better 20...Nge4+/-) 21.f4+- Rd5 22.Qd5 Nge6 23.Qd6 Rd8 24.Qe5 Kg8 (24...f6 25.Qc3 Rd3+-) 25.Rc5 Rd2 (25...Nc5 26.Qc5 Qf8 27.Qf8 Kf8+-) 26.Rc8 Nf8 27.Nc4 Rc2 (27...Rd7 28.Qe8 Rd5 29.Ne5+-) 28.Nd6 (better 28.Qe4 Rc3+-) 28...Rc7 (28...Rc8 29.Nc8 Qg7+-) 29.Rc7 (29.Rc7 Qh2 30.Kh2 Ne6 31.Rc8 Nf8 32.Qe7 h6 33.Qf8 Kh7 34.Qf7) 1-0. BeepBeepImAJeep (2595) - kretdekok (1820), lichess.org, 2017.

7.Nf3 Nh5 8.Be2 f5 9.0-0 f4 10.e4 h6 (10...Nf6 11.Qc2+=) 11.d4 Qe7 (better 11...ed4!? 12.Bd4 Nf6+=) 12.de5+/- de5 (12...Rd8!?+/-) 13.Ba3+- Qf7 (13...Qe8 14.Bf8 Bf8 15.Qc2+-) 14.Bf8 Bf8 1-0. onur604 (2320) - Oberlappen (2180), Casual Rapid game, lichess.org, 2021.

7.Nf3 h6 8.Be2 Be6 9.0-0 Nbd7 10.d4 Nh5 (10...Re8 11.a5=) 11.de5 Ne5 12.Ne5 de5 13.Bh5 gh5 14.Qh5 Bc4 15.Rd1 (15.Be5? Be5 16.Qe5 Bf1-+) 15...Qe7? (better 15...Qg5!? 16.Qg5 hg5=) 16.Nd2 Be6 (better 16...Bd3 17.Ba3 Qe6 18.Bf8 Rf8+-) 17.Nf3 (17.Ba3!? Qg5 18.Qg5 hg5 19.Bf8 Bf8 20.Ne4+-) 17...Rad8 (17...f6 18.Qh4 Qe8 19.e4+=) 18.Be5+/- Kh7 (better 18...Rd1!? 19.Rd1 Qc5+/-) 19.Bg7+- Kg7 20.Qe5 Kh7 (20...Kg8 21.Qf4+-) 21.Nd4 (21.Qe4!? Kg8 22.Qb7 Rd1 23.Rd1 Qc5+-) 21...Rg8 22.Ne6 (22.Qe4 Rg6 23.h4 h5+-) 22...fe6? (better 22...Qe6!? 23.Qf4 c6+/-) 23.Rd8 Qd8 24.Qe6 Qg5 (24...Qe8 25.Qf5 Qg6 26.Qg6 Kg6 27.Rd1+-) 25.g3 (better 25.Qe4 Kh8+-) 25...Qg7 (25...Qg6 26.Qg6 Kg6+-) 26.Rd1 Qc3 27.Rd7 Rg7 28.Qe4 Kh8 29.Rg7 (29.Rd8 Rg8 30.Rg8 Kg8 31.Qg6 Qg7 32.Qg7 Kg7+-) 29...Kg7 30.Qd4 (30.Qd4 Qd4 31.ed4+-) 1-0. dannysmet (2045) - TwoSpaces (2015), Rated Blitz game, lichess.org, 2021.

7.Nc3 Nbd7

8.d4? ed4-+ 9.ed4 Re8 10.Be2 Ne4 (better 10...Nb6!? 11.Kf1 d5 12.cd5 Nfd5 13.Nd5 Qd5-+) 11.Nf3=+ Qe7 (better 11...Nc3 12.Bc3 Qe7-/+) 12.0-0?? (better 12.Nd5 Qd8 13.Nc3=) 12...Nc3-+ 13.Bc3 Qe2 14.Qe2 (14.Qb3 Qd3 15.Rfe1 Nf6 16.Re8 Ne8-+) 14...Re2 15.Rac1 (15.Rfe1 Rc2 16.Re8 Nf8-+) 15...Nf6 (15...Nb6 16.a5 Nc4 17.d5-+) 16.d5 (16.Rfe1 Ra2-+) 16...Ne4 (16...Bd7 17.Rfe1 Rae8 18.Bd4-+) 17.Bg7 Kg7 18.Nd4 Ra2 19.Rce1 (19.Ra1 Ra1 20.Ra1 Kf6-+) 19...Nd2 20.Re2 (20.Ra1 Ra1 21.Ra1 Nc4-+) 20...Rb2 (20...Bd7!? 21.Rfe1 Re8 22.Re8 Be8 23.a5-+) 21.Rfe1 (21.Rc1 Bf5-+) 21...Nc4 22.Re7 Ne5 (better 22...Kf6 23.Rc7 Nb6 24.h4 Nd5 25.Rc4-+) 23.f4 (23.Rc7 Nd3 24.Ra1-+) 23...Nd3 24.Ne6 (24.Rf1 Nb4 25.Rc7 Nd5 26.Rc2-+) 24...Be6 25.de6 (25.Rd1 Bf5 26.g3 Kf6-+) 25...Ne1 26.Rf7 Kg8 27.Rc7 Nd3 (better 27...Re8 28.e7 Kf7-+) 28.e7 Rb1 29.Rc1 Rc1 0-1. FireWorks (1905) - Lance5500 (2515), lichess.org, 2021.

8.Nf3 a5 9.Be2 Re8 10.d4 ed4 11.Nd4 Nc5 12.0-0 Bd7 (12...Nfe4 13.Ne4 Ne4 14.Rb1=) 13.Rc1 Qe7 14.Bf3 Rab8 15.Ba3 b6 (15...Rbc8!?=) 16.Nc6+- Bc6 17.Bc6 Red8 18.Bc5 dc5 19.Qc2 (19.Nd5 Nd5 20.cd5 h6+=) 19...Qe5 (better 19...Ng4+=) 20.Rcd1?? (better 20.Nd5+=) 20...Ng4-/+ Threatening mate: Qxh2 21.g3? (better 21.Rd8 Rd8 22.Rd1 Rd1 23.Nd1 Qh2 24.Kf1-/+) 21...Qc3-+ 22.Qe2 Ne5 23.Bd5 h5 (23...Qb3 24.f4 Nd7 25.Rd3 Qa4 26.Rfd1-+) 24.f4 Nd7 (24...Ng4 25.Rd3 Qb2 26.Qb2 Bb2 27.Rb1-+) 25.Rfe1? (better 25.f5 g5 26.Qh5 Qe3 27.Kg2-+) 25...Nf6 26.Bc6 (26.Bf3 Ng4 27.Bd5 Qb3-+) 26...Rd6 (better 26...Rd1!? 27.Rd1 Ng4 28.Rd3 Qc4 29.h3 Qc1 30.Qf1 Qf1 31.Kf1-+) 27.e4 Rd4 28.e5 Ng4 29.Bd5 (29.Rc1 Qb4 30.Rcd1 Rbd8-+) 29...Rd8 (better 29...Rd1 30.Rd1 Ne3-+) 30.h3 (30.Rc1 Qb4 31.Qc2 Rd2-+) 30...Nh6 (30...Qg3 31.Qg2 Qe3 32.Re3 Rd1 33.Re1 Re1 34.Qf1 Rf1 35.Kf1 Ne3 36.Kf2 Nd5-+) 31.Kg2 (31.Qf3 Qf3 32.Bf3-+) 31...Nf5 32.Qf3 Rd1 (better 32...Ne3! 33.Qe3 Qe3 34.Re3 Rd1-+) 33.Qc3+- Rd4 34.e6?? (better 34.Be4+-) 34...fe6?? (better 34...R4d5 35.Qf3 Rd3-+) 35.Be6= Kh7 36.Qf3 Rd2 (36...Rd3 37.Qf2 Rg3 38.Kh2=) 37.Re2= Re2 (37...R2d3!? 38.Qb7 Rg3 39.Kh2 Rdd3 40.Bf5 gf5+=) 38.Qe2+= Bc3? (38...Nd4 39.Qe4 Re8 40.f5 Nf5 41.Qc6+=) 39.Bf5 (better 39.Bd5!? Rd7 40.Qe6+-) 39...Rd2+- 40.Bd3 Re2 41.Be2 Kg7 42.Kf3 Kf6 43.Ke4 Be1 44.g4 hg4 45.hg4 Bg3 46.g5 Ke6 47.Bg4 Kd6 48.Bf3 Bh4 49.Ke3 Ke6 50.Be4 Kf7 51.Kf3 (51.Kf3 Be1 52.Kg4+-) 1–0. BeepBeepImAJeep (2515) – inserthome (2400), lichess.org, 2017.

8.Nf3 a6 9.Be2 Nc5 10.0-0 e4 11.Nd4 h6 12.Nb3 (12.f3 Re8+=) 12...Nd3= 13.Ba3 (13.Bd3 ed3 14.Nd5 Nd5 15.Bg7 Kg7 16.cd5 Qg5=) 13...Nh7 (13...Be6 14.f3 Bc4 15.fe4 ab5 16.ab5=) 14.Qb1 Kh8? (14...Bf5!?=) 15.Bd3 (15.Ne4!? f5 16.Nd6 (16.Bd3?! fe4 17.Be4 ab5+/-; 16.Qd3?! fe4 17.Qe4 Ba1 18.Na1 ab5+/-) 16...cd6 17.Qd3 (17.Bd3?! ab5 18.ab5 Ba1 19.Qa1 Kg8+/-) 17...Ba1 18.Ra1+-) 15...ed3+/- 16.Qd3 f5 17.Nd4 Ng5 18.Nce2 Bd7 19.Ng3 (19.Nf4 Qe8+/-) 19...Qe7 20.Qc3 (20.Bb2 Ne4+/-) 20...Ne4 21.Qb3?? (better 21.Qc1+=) 21...Nd2-+ 22.Qc2 Nf1 23.Rf1? (23.Nf1 Qe4 24.Qd2-+) 23...f4 24.Bb2 (24.Nge2 fe3 25.f4 Qf7-+) 24...fg3 25.hg3 Bd4 (25...Qf7 26.Nf3-+) 26.Bd4 Kh7 27.f4 (27.e4 ab5 28.ab5 Be6-+) 27...Rae8 28.f5 (28.Qe2 ab5 29.ab5 c5 30.bc6 bc6-+) 28...Bf5 29.Qe2 Be4 30.Rf4 g5 31.Rf8 Rf8 32.Kh2 Qe6 33.g4 ab5 34.c5 (34.ab5 Ra8-+) 34...b6 (34...dc5 35.Bc3 Qd6 36.g3 ba4 37.Bb2-+) 35.cd6 (35.cb6 c5 36.Ba1 ba4-+) 35...cd6 36.ab5 Qe5 (better 36...Rc8 37.Qf1 Rc2-+) 37.Kg1?? (better 37.Be5 de5 38.Qc4+-) 37…Rf1 (37...Rf1 38.Qf1 Qe7+/-). Jimito100 (1950) - CarrionNestor (2345), Hourly Bullet Arena, lichess.org, 2020.

8.Nf3 b6 9.Be2 Bb7 10.d4 a5 11.0-0 e4 12.Nd2 Re8 13.Rc1 Qe7 14.Qc2 e4 draws heavy fire 14...h5 15.Qb3 (15.Rfd1 Rad8+=) 15...Qe6 (15...h4=) 16.Nd5 (better 16.Rfd1!?+=) 16...Nd5=+ (worse 16...Bd5 17.cd5 Nd5 18.Bc4+/-) 17.cd5 Bd5 18.Bc4 Bc4 (18...Nf6 19.Bd5 Nd5 20.Rc6=+) 19.Qc4 (better 19.Rc4 Ra7 20.d5 Qd5 21.Re4=) 19...Qf6?? (better 19...Qc4 20.Rc4 Rac8=+) 20.Qc7+- Re7 (better 20...Qf5+-) 21.Ba3 Nf8 22.Qd6 (better 22.Qb6!? Re6+-) 22...Re6 23.Qg3 h4 24.Qh3 Nh7 25.Rc7 (25.d5 Ree8+-) 25...Ng5 (25...Qg5 26.Rfc1 Qh5 27.Be7+-) 26.Qg4 (26.Qh4 Qd8 27.Rfc1 Bd4 28.ed4 e3 29.fe3 Re3+-) 26...Qd8 (26...h3 27.Rfc1+-) 27.Rfc1 f5 (27...Bf6+-) 28.Qh4 Bd4 (28...Re8+-) 29.ed4 e3 30.fe3 Re3 (30...Nf7 31.Be7 Qd5 32.Bg5+-) 31.Qf4 (31.Qh6 Qf6 32.R1c6 Re1 33.Kf2 Qd4 34.Ke1 Re8 35.Be7 Qa1 36.Ke2 Qe5 37.Kd3 Ne6 38.Qg6 Ng7+-) 31...Re2 32.Nf3 (better 32.d5!? Nf7 33.Kf1 Rd2 34.Qd2 Qh4+-) 32...Ne6 33.Qd6 (better 33.Qg3 Nc7 34.Qg6 Kh8 35.Qh6 Kg8+-) 33...Qd6 34.Bd6 Nc7 35.Bc7 Rae8 (35...Ra2 36.Be5+- (worse 36.Bb6 Ra4 37.d5 Rb8+-)) 36.Be5 (36.d5 R2e7+-) 36...Ra2 37.h3 (37.Rc6 Ra4 38.Rg6 Kf7 39.Rb6 Rc8+-) 37...Ra4 38.Nh4 (better 38.Rc6+-) 38...Kf7 (better 38...Re5!? 39.de5 Rh4+/-) 39.Rc7 Re7 40.Rc6 (better 40.Re7 Ke7 41.Ng6 Kf7 42.Nh4+-) 40...Rb4?? (better 40...Re5 41.de5 Rh4 42.Rf6 Ke7 43.Rg6 Re4 44.Rb6 Re5 45.Rb7 Kd6+/-) 41.Ng6+- Re6 42.Nh8 Ke7 43.Rc7 (43.d5 Re5 44.Ng6 Kd8 45.Ne5 Rb5 46.Rd6 Kc7 47.Rd7 Kc8+-) 43...Kd8 44.Nf7 Ke8 45.Nd6 Kd8 (45...Rd6 46.Bd6 Rb5 47.Re7 Kd8 48.Ra7+-) 46.Nb7 (46.Rf7!? Rd6 47.Bd6 Rb5+-) 46...Ke8 47.Rc8 (better 47.Kf2+-) 47...Kf7 (47...Ke7+-) 48.Rc7 (better 48.Nd8!? Ke7 49.Nc6 Kf7 50.Nb4 ab4+-) 48...Re7?? (48...Ke8 49.Kf2 Rb5 50.Nd6 Rd6 51.Bd6 a4+-) 49.Nc5 (better 49.Nd8 Ke8 50.Re7 Ke7 51.Nc6 Ke6 52.Nb4 ab4 53.Bf4+-) 49...Rb1 50.Kh2 (50.Kf2!? Rc7 51.Bc7 bc5 52.dc5-/+) 50...Rc7-/+ 51.Ne6?? (better 51.Bc7 bc5 52.dc5 Rb5 53.c6-+) 51...Ke6 52.Bc7 Kd5 53.Be5 (53.Bb6 Rb5 54.Bd8-+) 53...a4 54.Bf6 (54.Kg3 a3 55.Kf4 Rf1 56.Kg5 a2-+) 54...a3 55.Bg5 (55.Kg3 a2 56.Kh4 a1Q-+) 55...a2 56.Bd2 a1Q 57.Be3 (57.Bf4 Rh1 58.Kg3 Qe1 59.Kf3 Rf1) 57...Rb2 (57...Qc3 58.Bf4 Qd4 59.Kg3 Rb3 60.Kh4 Qf4 61.Kh5 Rg3 62.h4 Qg4 63.Kh6 Qh4) 58.Kg3 (58.Bf4 Qf1 59.Bd2 Rd2 60.Kg3 Qf2 61.Kh2 Qg2) 58...Rc2 (58...Qe1 59.Kf4 Rg2 60.Kf5 Qe3 61.h4 Qf3) 59.Bf4 (59.Bf2 Qc3 60.Kh4 Rf2 61.g3 Rg2 62.g4 Qd4 63.Kg5 Qg7 64.Kh5 f4 65.h4 Qg4 66.Kh6 Qh4) 59...Qa2 (59...Qe1 60.Kh2 Qf2 61.Bd2 Rd2 62.h4 Qg2) 60.Kh4 (60.Be3 Rg2 61.Kh4 Qa7 62.Bh6 Qh7 63.Kh5 Qg6 64.Kh4 Qh6) 60...Rd2! 61.g3 (61.Bd2 Qb2 Double attack (61...Qb2 Decoy)) 61...Rg2 62.Kh5 Qa3 (62...Kd4 63.Kg5 Qg8 64.Kh6 Rh2 65.h4 Re2 66.Bc7 Re6 67.Kh5 Qg4) 63.Kg5 (63.Kg5 Rc2 64.Kh6 Rc8 65.Bg5 Qd6 66.Kg7 Rc7 67.Kg8 Qe6 68.Kf8 Qf7). BeepBeepImAJeep (2650) - inserthome (2215), lichess.org, 2017.

8.Nf3 e4 9.Nd4 Ne5 10.Be2 h5 (better 10...c5!? 11.bc6 bc6=+) 11.0-0 Bg4 12.f4 (12.f3 ef3 13.Nf3 Bf3 14.gf3 Qe7+=) 12...ef3 (better 12...Nc4 13.Qc2 Be2 14.Nce2 d5-/+) 13.Nf3+= Nf3 14.Bf3 (14.gf3?! Bh3 15.Rf2 Re8=) 14...Bf3 15.Qf3 (15.gf3?! a6=) 15...Ng4 16.Qb7 Qh4 17.h3 Be5 18.Qf3 (better 18.Rab1 Bh2 19.Kh1+-) 18...Nh2+= 19.Qf2 Bg3 20.Qf6 Nf1 21.Rf1 Qf6 (21...Qc4 22.Nd5 Be5 23.Be5 de5 24.Qe5+-) 22.Rf6 Be5 23.Rf3 a6 24.d4 Bg7 25.Nd5 ab5 26.ab5 (worse 26.cb5 Ra4 27.Nc7 Rb8-/+) 26...Ra2 27.Rf2 Rc8?? (better 27...Re8=) 28.Ne7+- Kf8 29.Nc8 Ke8 (29...Ra8 30.Nd6! cd6+-) 30.b6 cb6 (30...Ra8 31.Na7 cb6 32.Nb5+-) 31.Nd6 Ke7 32.Nb5 Ke6 (32...Bh6 33.Kf1 Be3+-) 33.d5 Kd7 (33...Ke7 34.Bg7 Rf2 35.Kf2+-) 34.Bg7 (34.Bg7 Rf2 35.Kf2+-) 1-0. BeepBeepImAJeep (2765) - IMaDale (2520), Rated bullet game, lichess.org, 2016.

8.Nf3 Ne8 9.Be2 f5 10.d4 e4 11.Nd2 Ndf6 12.Qc2 h6 13.Rc1 a6 14.0-0 g5 15.f3 ef3 16.Bf3 Qe7 17.Rce1 White prepares d5 17...g4 18.Bd5 Nd5 19.Nd5 Qd8 20.Nf4 Nf6 21.d5 Qe8 (21...ab5 22.cb5 Re8 23.e4+/-) 22.Bd4 (22.e4!? ab5 23.ef5+-) 22...Qf7 23.e4 (23.b6 cb6 24.Bb6 Re8+/-) 23...Bd7 (23...g3!? 24.hg3 Ne4 25.Bg7 Qg7 26.Ne4 fe4 27.Qe4 Bf5+/-) 24.e5 de5 25.Be5 (25.Re5?! Ne8=) 25...Rae8 26.Qb2 (26.Bc7 Re1 27.Re1 Re8 28.Re8 Qe8+/-) 26...Nh5 27.Nh5 Be5 28.Re5 Qh5 29.Ree1 (29.Ne4! Qh4 30.g3+/-) 29...f4 30.Qc3 (30.Ne4 Qg6 31.Nc5 Re1 32.Re1 f3+=) 30...Qg5 (30...f3 31.Re8 (worse 31.gf3 Re1 32.Re1 gf3-/+) 31...Re8 32.Rf2=) 31.Ne4 Qg6 32.Qd3 (32.Nc5 Re1 33.Qe1 Bc8+=) 32...ab5 33.ab5 b6 (33...f3 34.Nf2 (34.gf3?? gf3 35.Kf2 Qg2 36.Ke3 f2-+) 34...Bf5 35.Qc3=) 34.Qd4 Rd8 (34...f3 35.Kh1 Kh7 36.gf3 Rf4+= (worse 36...Rf3 37.Ng3+=)) 35.Qe5+/- Bf5 (35...Rde8!? 36.Qc7 Re4 37.Re4 Qe4 38.Qd7 f3 39.gf3 gf3 40.Qe6 Qe6 41.de6 Rf6+/-) 36.Rf4 Be4 (36...Rde8 37.Qd4+-) 37.Qe4 Qe4 38.Ree4 (38.Rfe4 h5+-) 38...h5 39.Rf8 Rf8 40.Re7 Rc8 41.Kf2 Kf8 42.Rd7 Kg8 (42...Ra8 43.Rc7 Ke8 44.Rc6 Ra2 45.Kg3+-) 43.Ke3 (better 43.Kg3!? Kf8+-) 43...Re8 44.Kd3 Rf8 (44...Rc8 45.Ke4 Re8 46.Kf5+-) 45.Rc7 Rf2 (45...Rf1 46.c5 g3 47.hg3 Rd1 48.Ke3 Rd5 49.cb6 Rb5 50.b7+-) 46.Rc6 (better 46.d6 Rf6 47.Rc6 Kf7+-) 46...Kg7 (46...Rg2 47.Rb6 Rh2 48.c5 Rh3 49.Ke4+-) 47.Rb6 Rg2 48.Rb7 (48.Rb7 Kf6 49.b6 Rh2 50.Rb8 Rh3 51.Kd4+-) 1-0. BeepBeepImAJeep (2605) - zoranp (2495), lichess.org, 2016.

8.Nf3 Nc5

9.Be2 e4 10.Nd4 Nd3 11.Bd3 ed3 12.0-0 Bd7 13.Nf3 (13.Qb1!?+/-) 13...c5 14.Qb3 Qe7 (14...Bg4 15.Nd1=) 15.Nd1 (15.Ne1 Rfe8+/-) 15...Bf5+= 16.Nh4 Be4? (better 16...Be6!?=) 17.f3+/- Bf5 (17...g5 18.fe4 gh4 19.Bf6 Bf6 20.Rb1+/-) 18.Nf5+- gf5 19.Qd3 Rfd8 20.Bc3 (20.Qf5 d5+-) 20...d5 21.Qe2 (21.Qf5 dc4 22.Nb2 Rd5+-) 21...d4 22.Bb2 d3 23.Qf2 f4 24.e4 Nh5 25.Bg7 Ng7 26.Nc3 Qf6? (better 26...Rd4+-) 27.Nd5 Qd4 (27...Qe5 28.Qc5 Kh8 29.Qf2+-) 28.Qd4 cd4 29.Ra2 (29.Nf4 Rac8 30.Rfc1 Ne6 31.Nd3 Rd7+-) 29...Rac8 (29...Ne6 30.Ra3+-) 30.Rc1 (30.Ne7 Kf8 31.Nc8 Rc8+-) 30...Ne6 (30...Rc5 31.Ra3+-) 31.Ra3 (31.Ne7!? Kg7 32.Nc8 Rc8+-) 31...Kg7 32.Rd3 Kg6 (32...Re8 33.Kf2+-) 33.Ra3 (33.Ne7 Kf6 34.Nc8 Rc8+-) 33...f5 (33...Kg5 34.a5+-) 34.d3 (34.Ne7 Kf6 35.Nc8 Rc8+-) 34...h5 (34...Re8 35.e5+-) 35.ef5 Kf5 36.Ra2 (better 36.Ne7 Kf6 37.Nc8 Rc8 38.a5+-) 36...Rd5!-+ 37.c5?? (37.cd5 Rc5 Double attack (37...Rc1 Pinning; 37...Rc1 Deflection; 37...Rc5 Decoy)) 37...Rdc5 38.Rc5 Rc5 39.Re2 Rc3 40.Rd2 Nc5 41.h3 (41.Kf1 Ra3 42.Rc2 Ra1 43.Ke2 b6-+) 41...Rd3 42.Rd3 Nd3 43.Kf1 (43.a5 a6 44.ba6 ba6-+) 43...Nc5 (43...b6 44.Ke2 Nb2 45.Kf2 Na4 46.Ke1-+) 44.Ke1 (44.a5 Nb3 45.a6 ba6 46.ba6 Kg5-+) 44...Na4 45.Kd2 Nc5 (45...b6!? 46.Ke1-+) 46.Kc2 h4 47.Kd2 Ke5 48.Kc2 Kd5 49.b6 Black now must not overlook the idea Kc4 49...ab6 50.Kb2 Kc4 51.g4 (51.Kc1 Kc3 52.Kb1 d3 53.g4 d2 54.Ka2 d1Q 55.g5 Qe2 56.Ka3 Qb2) 51...d3 (51...fg3 52.Ka2 d3 53.Kb1 g2 54.Kb2 Nb3 55.f4 g1Q 56.f5 Qa1) 52.Kc1 (52.g5 Na4 53.Ka3 d2 54.Ka2 d1Q 55.g6 Qc2 56.Ka3 Qb3) 52...Ne6 (52...Kc3 53.Kd1 d2 54.Ke2 Kc2 55.Kf1 d1Q 56.Kg2 Qe1 57.g5 Qg3 58.Kf1 Nd3 59.g6 Qf2) 53.g5 (53.Kb2 Nd4 54.g5 d2 55.Ka2 d1Q 56.g6 Qc2 57.Ka3 Qb3) 53...Ng5 (53...Kc3 54.Kb1 d2 55.Ka2 d1Q 56.g6 Qe2 57.Ka3 Qa6) 54.Kd2 (54.Kb2 Nh3 55.Kb1 Kc3 56.Ka2 d2 57.Ka3 d1Q 58.Ka2 Qe2 59.Kb1 Qb2) 54…Nf3 (54...Nf3 55.Kc1 Nd4 56.Kd1 Nc2 57.Kd2 f3 58.Kc1 f2 59.Kd2 b5 60.Kd1 f1Q 61.Kd2 Qe1; 54...b5 55.Kd1 b4 56.Ke1 b3 57.Kd1 b2 58.Ke1 b1Q 59.Kf2 Nh3 60.Kg2 Qg1 61.Kh3 Qg3) 0-1. Jimito100 (1920) - Dimitrius1985 (2210), Hourly Bullet Arena, lichess.org, 2020.

9.Be2 e4 10.Nd4 Nd3 11.Bd3 ed3 12.0-0 Nd7 13.a5=.

9.Be2 e4 10.Nd4 Nd3 11.Bd3 ed3 12.0-0 Nh5 13.Qb1 (13.Nd5!?+=) 13...Bd4= 14.ed4 Bf5 (14...Nf4 15.Qd1=) 15.Nd1 (15.Re1!?=) 15...Qg5 16.Ne3 Rae8 (16...Nf4 17.g3=+) 17.Nf5 (17.g3!? Nf4 18.h4 Ne2 19.Kh2=) 17...Qf5=+ 18.d5 (better 18.Re1!?=+) 18...Nf4-+ 19.Bd4?? (better 19.Kh1-+) 19...Qg4 (19...Qe4 20.f3 Qd4 21.Kh1-+) 20.g3 Qf3 (better 20...Ne2 21.Kg2 Qd4-+ (21...Nd4?! 22.Qd3 Ne2 23.f4-+)) 21.gf4= Re4 22.Be3 (22.Ba7?? Rf4 23.h3 Qh3 24.Qd3 Qd3-+) 22...Rfe8?? (better 22...Qg4 23.Kh1 Qf3 24.Kg1 Qg4 25.Kh1 Qf3 26.Kg1=) 23.Qd3?? (better 23.Qd1!? Qh3 24.Rc1+- (24.Ba7 b6-/+)) 23...R8e5?? (better 23...Rf4 24.Rfb1 Rg4 25.Kf1 Rh4-+) 24.Rae1?? (24.Rfc1 Rf4 25.Qc2 Rg4 26.Kf1-+) 24...Rg5!! 25.fg5 (25.fg5 Rg4 Mate attack) 25…Rg4 0-1. Jimito100 (1920) - Premium_228 (2305), Hourly Bullet Arena, lichess.org, 2020.

9.d4 ed4

10.Nd4 Nce4 11.Ne4 Ne4 12.Bd3 Re8 13.0-0 Nc5 14.Be2 Bf5 (14...Be5 15.a5=) 15.a5 Be4 16.Bf3 a6 17.Be4 Ne4 18.Qc2 Nc5 19.Bc3 Qd7 20.Rfb1 White plans b6 20...Qg4 21.b6 c6 22.Rf1 Rad8 23.Rad1 Qh4 (23...Qe4 24.Bb4=) 24.Ba1 d5 (24...Qe4 25.Qe4 Ne4 26.f3=) 25.cd5 Rd5 26.Nf3 Qd8 (26...Qe4 27.Qe4 Re4 28.Rd5 cd5 29.Bg7 Kg7 30.Nd4=) 27.Rd5 Qd5 28.Bg7 Kg7 29.Rd1 Qb3 30.Qb3 (30.Qd2!?+=) 30...Nb3= 31.Rd7 Na5 32.Nd4? (better 32.Ng5!?=) 32...c5-/+ 33.Nc2? (better 33.Nf3 Re6 34.Ng5 Rb6 35.f4-/+) 33...Re6-+ 34.Rc7 (34.Kf1 Rb6 35.Ke2 Rc6-+) 34...Rb6 35.Rc5 (35.Kf1 Rc6 36.Rd7-+) 35…Rb1 (35...Rb1 36.Ne1 Re1) 0–1. BeepBeepImAJeep (2775) – Macrofago (2750), lichess.org, 2017.

10.Nd4 Be6 11.Be2 Qd7 12.0-0 Rae8 13.a5 Nce4 14.Ne4 Ne4 15.a6 ba6 (15...b6!?+/-) 16.Ra6 c5 17.bc6 Qc7 18.Nb5 Qc8 19.Bg7 Kg7? (19...Qa6 20.Bf8 Rf8 21.f3+- (21.Nd6?! Nc3 22.Qd3 Ne2 23.Qe2 Qc6+/-)) 20.Qa1 (20.Qd4!? Nf6 21.Rfa1 Re7+-) 20...Kg8 21.Na7 Qc7 (21...Qd8 22.Qd4 Bc8 23.Rb6+-) 22.Nb5 Qc8 23.c7 Nc5 (23...Re7+-) 24.Nd6 (24.Ra7 Qd7+-) 24...Qc7?? (better 24...Qa6 25.Ne8 Re8=) 25.Ne8+- Re8 26.Ra8 Ne4 (26...Ra8 27.Qa8 Kg7+-) 27.Re8 1-0. BeepBeepImAJeep (2575) - mbburabak (2150), lichess.org, 2016.

10.Nd4 Re8 11.Be2 Nfe4 12.Ne4 Ne4 13.0-0 Bd7 14.a5 Qe7 15.Bf3 c5 16.bc6 bc6 (worse 16...Bc6 17.Nc6 bc6 18.Bg7 Kg7 19.Be4 Qe4 20.Qd6 Qc4 21.Rfc1+/-) 17.Qc2 Rab8 18.Ba3?? (better 18.Rab1=) 18...c5-+ 19.Nb5 (19.Ne2 Nf2! 20.Nc3 Qe3-+) 19...Ba1 20.Ra1 Bb5 21.cb5 Rb5 22.Rd1 (22.a6-+) 22...c4 (22...Ra5!? 23.Bb2 Rb5 24.Ba1-+) 23.Bb2 (23.Qc4 Ra5 24.Qc1 Qe6-+) 23...c3 (23...Qe6 24.Bd4-+) 24.Ba1 (better 24.Bc3 Rc5 25.Be4 Qe4 26.Qb2-/+) 24...Rc8?? (24...Rc5 25.a6-+) 25.g3?? (better 25.Be4 Ra5 26.Bd5+= (26.Bc3? Rac5-+)) 25...f5 26.Rd3 (26.a6 Qe6 27.Rc1 Ra5-+) 26...Qe5 (26...Ra5 27.Rd1 Qf7 28.Rc1-+) 27.Rd4 (27.Kg2 Ra5 28.Qb3 Kf8-+) 27...Rbc5 (better 27...Ra5 28.Rd1 Qe8-+) 28.Be4 fe4 29.Re4 Qf5 (29...Ra5 30.Re5 Ra1 31.Kg2 de5 32.Qb3 Kf8 33.Qb4 Ke8 34.Qd6=) 30.g4 Qf3 31.Rf4 Qd5 (31...Qb7 32.a6 Qa6 33.Ra4-+) 32.Rd4 Qe6 33.h3? (33.Re4 Qf7 34.Rf4-+) 33...Ra5 34.Rd1 Ra2 35.Qd3 Qf7 (better 35...c2 36.Rc1 Ra1 37.Ra1 c1Q 38.Rc1 Rc1 39.Kg2-+) 36.Rf1 (36.Qf1 Qc4 37.Rc1 Qf1 38.Kf1 Rf8-+) 36...c2 (better 36...Qc4 37.Qd6 c2-+) 37.Qd4 Ra1! 38.Qa1 (38.Qa1 a5 Passed pawn; 38.Ra1 c1R Double attack) 38...Qb3 39.Qa7?? (better 39.Rc1-+) 39...c1Q 40.Rc1 Rc1 41.Kg2 (41.Kh2-+) 41...Qd5 42.Kg3 Rg1 43.Kh4 g5 (43...Qh5! 44.gh5 g5) 44.Kh5-+ Qf7 45.Qf7 Kf7 46.f4 (46.Kg5 Rf1 47.f4 Re1-+) 46...Rg2 (better 46...gf4 47.ef4 d5-+) 47.fg5 (47.Kg5 Re2 48.e4 Re4-+) 47...Kg7 48.h4 Rg3 49.e4 (49.g6 hg6 50.Kg5 Re3-+) 49...Re3 50.g6 hg6 51.Kg5 Re4 52.h5 gh5 53.gh5 Re5 54.Kf4 Kh6 55.Kg4 Black now must not overlook the idea Re8 55...Rh5 56.Kf4 Re5 57.Kf3 Kg6 58.Kf4 Kf6 59.Kf3 d5 60.Kf4 (60.Kg2 d4 61.Kf2 d3 62.Kg3 d2 63.Kg4 d1Q 64.Kg3 Qd3 65.Kg4 Re4 66.Kh5 Qh3) 60...d4 61.Kf3 (61.Kg4 d3 62.Kg3 d2 63.Kf2 d1Q 64.Kg3 Qd3 65.Kg4 Re4 66.Kh5 Qh3) 61...d3 62.Kf4 (62.Kg3 d2 63.Kg4 d1Q 64.Kg3 Qd3 65.Kg4 Re4 66.Kh5 Qh3) 62...d2 63.Kf3 d1Q 64.Kf2 (64.Kg2 Qe2 65.Kh3 Kg5 66.Kg3 Re3) 64...Qe2 65.Kg3 Rg5 66.Kf4 Qg4 (66...Rg4) 67.Ke3 Re5 (67...Qe6 68.Kd3 Rd5 69.Kc3 Qc6 70.Kb4 Rb5 71.Ka3 Qa8) 68.Kd3 Qe4 69.Kc3 Rc5 70.Kd2 (70.Kb3 Qe6 71.Ka4 Qb6 72.Ka3 Ra5) 70...Qd4 (70...Rc2 71.Kd1 Qe2) 71.Ke2 Re5 72.Kf3 Qf4! 73.Kf4 Rf5 74.Kg3 (74.Ke4 Ke6-+) 74...Rg5 (74...Kg5 75.Kh3 Kf4 76.Kg2 Kg4 77.Kh2 Kf3 78.Kg1 Rh5 79.Kf1 Rh1) 75.Kf4-+ Kg6 76.Ke4 Kf6 77.Kd4?? (77.Kf4 Re5 78.Kf3 Kf5 79.Kg3 Re3 80.Kg2 Kg4 81.Kf2 Kf4 82.Kg2 Re2 83.Kf1 Kf3 84.Kg1 Re1 85.Kh2 Rd1 86.Kh3 Rh1) 77...Rg4-+ 78.Kd3 Kg5 79.Ke3 Kf5 80.Kf2 (80.Kd3 Ke5-+) 80...Ke5 (80...Ke4 81.Ke2 Rg2 82.Kf1 Rd2 83.Ke1 Ke3 84.Kf1 Kf3 85.Kg1 Rd1 86.Kh2 Rc1 87.Kh3 Rh1) 81.Ke2-+ Rf4 82.Ke3 Rf3 (better 82...Rd4-+) 83.Kf3= ½-½. BeepBeepImAJeep (2765) - TheShark180 (2725), lichess.org, 2020.

10.Nd4 Re8 11.Be2 Ng4 12.0-0 (worse 12.Bg4 Bg4 13.Qd2 Qh4=+) 12...h5 (12...Ne5 13.a5=) 13.h3 Nf6 14.Qc2 Nh7 15.Nd5 Ng5 16.Bc3 (16.Rfd1!?+=) 16...Nce4 17.Bb2 Nh3 18.gh3 Bh3 19.Nf3 (19.Bf3 Qg5 20.Kh1 Bf1 21.Rf1 Qh4 22.Kg1 Rac8=) 19...c6 (19...Bb2 20.Qb2 c6 21.Nf4 Bf1 22.Bf1=) 20.Nf4 (20.Nc3 Bc3 21.Bc3 Qc8=) 20...Bf1 21.Bf1 Ng5 22.Bg2 Nf3 23.Bf3 Qg5 24.Bg2 Bb2 (24...Be5 25.Be5 de5 26.Nh3=) 25.Qb2 Rac8 26.Rd1 Red8 27.Kf1 Qe5 28.Qd4 (28.Qb4 h4=) 28...cb5 (28...Qd4 29.Rd4 Kg7 30.a5=) 29.cb5+= Qd4 30.Rd4 b6 (30...Rc1 31.Ke2 Rc2 32.Ke1=) 31.Bc6 Kg7 32.Nd5 Rh8 33.Re4 h4 34.Kg2 h3 35.Kh2 Rh5 36.Nf4 Rf5? (better 36...Rh7+/-) 37.Bd7+- (37.Nh3?! Re5 38.Rd4 Rd8+-; 37.Kh3?! Rg5 38.Nd3 a6+/-) 37...d5 (37...Rc2 38.Bf5 gf5 39.Re7 Rf2 40.Kh3+-) 38.Rd4 (better 38.Bf5!? Rc2 39.Re7 Rf2 40.Kh3 gf5+-) 38...Rf4 39.Rf4 (worse 39.ef4 Rc4 40.Rd5 Rf4 41.Kh3 Rf2+-; 39.Bc8?! Rf2 40.Kh3 Rf3 41.Kg2 Re3 42.Rd5 Re4+/-) 39...Rc4 40.Rd4 f5 (40...Rc2 41.Kh3 (41.Rd5?! Rf2 42.Kh3 Rf3 43.Kg2 Re3+/-) 41...Rf2 42.Kg3+-) 41.Be6 (41.Kh3!? f4+-) 41...Rc2 42.Bd5 (worse 42.Rd5 Kf6 43.Bg8 Kg7+/-) 42...Rf2 43.Kh3 Re2 (43...Kf6 44.Kg3 Rc2 45.Bg8+-) 44.Rd3 (44.e4 Kf6 45.ef5 gf5+-) 44...Kf6 45.Bf3 g5?? (better 45...Ra2+-) 46.Be2 1-0. Timmermans,Mark (2385) - Ezat,M (2415), Titled Tuesday, 2021.

10.Nd4 Re8 11.Be2 h5 12.0-0 h4 13.h3 Nce4 14.Ne4 Ne4 15.Bf3 Nc5 16.a5 Rb8 (16...a6!?+=) 17.a6+/- Qg5 (17...ba6? 18.Nc6 Bb2 19.Nd8 (19.Nb8 Ba1 20.Qa1 ab5=+) 19...Rd8 20.Ra2+-) 18.ab7 Bb7 (18...Bh3 19.Ra7 Bg2 20.Bg2+=) 19.Bb7 (19.Ra7!? Qe5 20.Ba1+-) 19...Rb7+/- 20.Nf3 Qe7 21.Bg7 Kg7 22.Nd4 Qe4 23.Qf3 (23.Ra3!?+/-) 23...Qf3+= 24.gf3 Ra8 25.Ra5 a6 (25...Rb6 26.Nc6=) 26.Rfa1 (26.Nc6 Rb6=) 26...Rb6= 27.f4 Kf6 28.Kg2 Nb3?? (better 28...Ke7+=) 29.Nb3+- 1-0. BeepBeepImAJeep (2775) - mardgos (2680), lichess.org, 2020.

8.Nf3 Re8

9.d4 h6 10.Be2 Kh7 11.0-0 e4 12.Nd2 Nf8 (12...c5 13.bc6 bc6 14.Qc2+=) 13.Qb3 h5 (13...N8d7 14.f3 ef3 15.Rf3+=) 14.Rac1 Bf5 15.Nd5 White intends c5 15...Ng4 (15...Nd5 16.cd5 h4 17.h3+=) 16.c5 (16.h3 Nf6+=) 16...c6 (16...dc5 17.Rc5 Be6 18.Bc4=) 17.Nb4 Rc8 (17...dc5 18.Rc5 Ne6 19.Rc2 cb5 20.ab5+=) 18.cd6 (better 18.bc6!? bc6 19.Qf7+-) 18...Qd6+= 19.Nc4?? (better 19.Bg4 Bg4 A) 20.Qf7? Qb4 21.Bc3 Qe7 (21...Qa4 22.d5 Ne6 23.de6+-) 22.Qe7 Re7-+; B) 20.bc6 bc6 21.h3+=) 19…Qh2 0–1. BeepBeepImAJeep (2695) – BLEFOUT (2355), lichess.org, 2016.

9.Be2 a5 10.0-0 b6 11.d4 Bb7 12.Rc1 Qe7 13.Ba3 ed4 14.Nd4 Nc5 15.Bf3 Nfe4 16.Bc5 (16.Nd5 Qd8=) 16...bc5 (16...dc5 17.Ne4 cd4 18.Nf6 Bf6 19.Bb7 de3 20.Qf3=) 17.Ne4 Be4 (17...cd4!? 18.Nf6 Qf6 19.Bb7 Rab8+=) 18.Nc6+= Qh4 19.g3 Qg5 20.Be4 Re4 21.Qf3 Qf5?? (better 21...f5+=) 22.Ne7!!+- Re7 23.Qa8 Bf8 24.Qd5 (better 24.Qa5 Qc8 25.Qa7+-) 24...Qd5 25.cd5 Bg7 (better 25...Re4 26.Ra1 f5+-) 26.Rfd1 (better 26.Rc4+-) 26...Re4+= 27.Rb1 Ra4 28.b6 cb6 29.Rb6 Bf8 30.Ra6 Ra2 (30...Kg7 31.Rb1 h5 32.Ra7+-) 31.f4 (31.Rb1!? a4+/-) 31...Kg7 32.e4 Be7 33.e5 de5 34.fe5 Re2? (better 34...c4 35.Rc6 Re2+-) 35.d6 Bg5 (35...Bd8 36.Ra8 Bg5 37.h4+-) 36.d7 (36.Ra5?! c4 37.h4 Bd8+-) 1-0. BeepBeepImAJeep - maurag (2410), lichess.org, 2018.

9.Be2 a5 10.0-0 Nc5 11.d4 ed4 12.Nd4 Nce4 13.Ne4 Ne4 14.Bf3 Nc5 15.Rc1 Bd7 16.Ba3 Qg5 (16...Qh4 17.Ne2 Rad8 18.Bc5 dc5 19.Bb7 Bb5 20.Qc2=) 17.Bc5+= dc5 18.Nb3 (worse 18.Bb7 cd4 19.Ba8 Ra8 20.ed4 Re8=) 18...Bc8 19.Nd2 (19.Qd5 Qd5 20.cd5 b6+/-) 19...Qe7 20.Bd5 Rb8 21.Nb3 b6 22.Bc6 Rd8 23.Qf3 (23.Qe2 Qh4=) 23...Be6 (23...Rd3 24.Rb1=+) 24.h3 (better 24.Bd5!?=) 24...Rd3-/+ 25.Na1 Rbd8 26.Nc2 Bc4 27.Nd4?? (27.Nb4 ab4 28.Rc4 Ra3-+) 27...cd4 (better 27...R8d4 28.Rfe1 Be6-+) 28.Rc4 de3 29.Re4 ef2 30.Qf2 Qc5 (30...Qf8 31.Qe2-/+) 31.Qc5-/+ bc5 32.Re7 Rd1 (32...Bd4 33.Kh1-/+) 33.Ref7 (better 33.Rd1!? Rd1 34.Kf2=+) 33...c4-/+ 34.Rc7?? (better 34.Kh2-/+) 34...Bd4-+ 35.Kh2 Be5 36.g3 R8d2 37.Bg2 Bc7 38.Rf3 (38.Rd1 Rd1 39.Be4 Rd4-+) 38…Rd3 (38...Rd3 39.Rd3 Rd3-+) 0-1. BeepBeepImAJeep (2715) - Arstan23 (2560), lichess.org, 2019.

9.Be2 Nc5 10.0-0 e4 11.Nd4 Bd7 12.d3 ed3= 13.Bd3 Nd3 14.Qd3 Qe7 (14...Ng4 15.Qc2=) 15.Rfd1 Ne4 16.f3 (16.a5 Bg4 17.f3 Nc3 18.Qc3 Bd7=) 16...Nc5 (16...Nc3!? 17.Qc3 Qe3 18.Qe3 Re3-/+) 17.Qd2 (17.Nd5!? Nd3 18.Ne7 Re7 19.Rd3=) 17...Qe3 18.Kf1 (18.Qe3!? Re3 19.Nd5-/+) 18...Qd2-/+ 19.Rd2 Bd4 (19...Be6 20.Ne6 Re6 21.Ra2-/+) 20.Rd4 Nb3 21.Rad1 (better 21.Nd5!? Be6 22.Nc7 Bc4 23.Kg1=+) 21...Nd4-+ 22.Rd4 Be6 23.Ne4 Kf8 24.Nf6 Red8 25.Nh7 Ke8 26.Nf6 Ke7 27.Ne4 (27.Re4!?-/+) 27...a6-+ 28.Ba3 ab5 29.cb5 Bb3 (29...f5 30.Nc3-+) 30.Nc3 (30.b6!? c5 31.Rd6 Rd6 32.Bc5-+) 30...Re8 31.Bc1 Kd7 32.Rb4 Be6 (32...Bc2 33.Rd4-+) 33.Rf4 (33.Ne4 c5 34.bc6 Kc6-+) 33...c6 34.Bb2 f5 35.Rd4 (35.Rh4 c5-+) 35...d5 (better 35...c5!? 36.Rd2-+) 36.Ba3 Kc7 (36...cb5 37.Nd5 Bd5 38.Rd5 Kc7 39.Rc5 Kb8 40.Rb5 Ra4 41.Bd6 Kc8 42.Be5-+) 37.Bb2 (37.f4 b6 38.bc6 Kc6-+) 37...Rad8 (better 37...c5 38.Rd5 Bd5 39.Nd5 Kd6 40.Nb6-+) 38.g3? (better 38.Ba3-+) 38...c5 39.Rd2 d4 40.Ne2 Bc4 41.Kf2 Be2 42.Re2 Re2 43.Ke2 Re8 (43...Ra8 44.g4-+) 44.Kf2 (44.Kd3 Kd6-+) 44...Re3 (better 44...Ra8 45.g4 Ra4 46.gf5 gf5-+) 45.Ba3 (45.Bc1 Rb3 46.g4-+) 45...Ra3 46.h4 Ra4 47.g4 fg4 48.fg4 Rb4 49.h5 Rb5 50.hg6 (50.h6 Rb2 51.Kg3 Re2-+) 50...Rb6 51.g5 Rg6 52.Kg3 Rg5 53.Kf4 Rd5 54.Ke4 Kd6 55.Kd3 c4! 56.Kd2 (56.Kc4 d3 Mate attack) 56...d3 57.Kc3 d2 58.Kb4 (58.Kc2 d1Q 59.Kb2 Qb3 60.Kc1 Rd1) ½-½. dannysmet (2090) - lshaped (2080), Rated Blitz game, lichess.org, 2021.

9.Be2 e4 10.Nd4 Nc5 11.0-0 Nd3 12.Bd3 ed3 13.Qb1 Bf5? (13...Nd7 14.Nd5+=) 14.Nf3?? (better 14.Nf5 gf5 15.Qd3+-) 14...Qd7= 15.Nd4 a5 (15...Rad8 16.f3+=) 16.Nf5 (16.f3 d5 17.g4 Be6+=) 16...Qf5= 17.Qe1 (17.Ra3 Rad8=) 17...Qh5 (17...Qc5 18.Qb1 Qc4 19.Rc1=+) 18.h3 Ne4 (18...Qc5 19.Qb1 Qc4 20.Rc1=+) 19.Rb1 (19.Qc1 Bc3 20.Bc3 Qc5= (worse 20...Nc3 21.Qc3 Qf5 22.Ra3+/-)) 19...Nc3 20.Bc3 Bc3 21.dc3 Re4 22.Qd2 Rc4 23.Qd3 Ra4 24.c4 Rc4?? (24...Qe5=+) 25.Rfc1 (better 25.Qc4 Rc8 26.Rfc1+-) 25...Rh4?? (better 25...Rc5-/+) 26.Rc7+= Re8 (26...Rb4 27.Rb7 Qc5 28.b6+=) 27.Qb3 (27.Qd6 Qf5 28.Rb2 b6+/-) 27...Re6 (27...Qf5!? 28.Qd1 b6=) 28.Rb7 (28.Qc3!? Re8 29.Qa5+/-) 28...Rf6 29.Rb8 Kg7 30.Qb2 (better 30.Qc3 Rb4 31.Rb4 ab4 32.Qb4 Qd1 33.Kh2 Rf2 34.Qd4 Qd4 35.ed4+=) 30...Rh3?? (better 30...Rb4 31.Qc2 Qf5=) 31.gh3+- Qh3 32.f4 (better 32.Rg8! Kg8 33.Qf6 Qg4 34.Kh2 Qh5 35.Kg3+-) 32...Qg4? (better 32...Qe3 33.Qf2 Qh3+/-) 33.Qg2+- (33.Qg2 Qe6 34.Qd2+-) 1-0. Jimito100 (1925) - Vlakymen85 (2210), Hourly Bullet Arena, lichess.org, 2020.

9.Be2 e4 10.Nd4 Nc5 11.0-0 Nfd7 12.f4 (12.f3 Nd3 13.Qc2 Nb2 14.Qb2 ef3 15.Bf3 a6=) 12...ef3 (12...a6 13.Qc2=) 13.Bf3 (13.Nf3 Ne4 14.Qc2 Nc3 15.Bc3 Nf6+=) 13...Nd3= 14.Ba3 N7e5 15.Be2 Nc5 (15...Qg5 16.Bd3 Nd3 17.Qf3=) 16.Bc5 dc5 17.Nb3 b6 18.Qc2 (18.d4 Qg5 19.Nd5 Ng4 20.Bg4 Bg4=) 18...Bb7 (18...a6 19.d4 cd4 20.ed4=) 19.Rad1 (19.a5 a6+=) 19...Qg5 Threatening mate... how? 20.Rf2 (20.Ne4 Qh6=) 20...Rad8 (20...Ng4 21.Bg4 Qg4 22.Ne2=+) 21.Nd5 (21.a5 Ng4 22.Bg4 Qg4=+) 21...Bd5=+ Black gets the initiative 22.cd5 Rd5 23.d4 (23.Rdf1 Re7=+) 23...Ng4 24.Bg4 Qg4 25.Re1 (better 25.Rf4!? Qd7 26.Rd3-/+) 25...cd4-+ 26.Qc4 (26.e4 d3 27.Qc7 Rd7-+) 26...Qd7 (better 26...Qe6 27.Rd2 Bh6-+) 27.Rd1? (better 27.Ref1 de3 28.Rf7-+) 27...Rd8?? (better 27...Re3 28.Nd2 Rc3-+) 28.ed4-/+ Bd4 (28...Rd6!?-/+) 29.Nd4= Rd4 30.Rd4 Qd4 The mate threat is Qxc4 31.Qf7 Kh8 32.Qc7?? (better 32.Qe7=) 32...Rf8-+ 33.Qc2 (33.Qc3 Qc3 34.Rf8 Kg7 35.Rf1-+) 33...Qa1 34.Rf1 (34.Qd1 Qd1 35.Rf1 Rf1) 34…Qf1 (34...Rf1?!=) 0–1. BeepBeepImAJeep (2710) – cherryandmint (2660), lichess.org, 2020.

9.Be2 e4 10.Nd4 Nc5 11.0-0 h5 12.Nb3 Nfd7 13.Nc5+= Nc5 14.Qc2 Bf5 15.Rad1 (15.Nd5 c6 16.Bg7 Kg7 17.Qc3 f6+=) 15...c6 16.Ba1 h4 17.Qa2 Qg5 (17...h3 18.g3=+) 18.f4 Qe7 19.Bb2 Rad8 20.Ba3 (20.a5 h3 21.g4 Be6 22.bc6 bc6=+) 20...Qe6 21.Bc5 dc5 22.Qc2 Rd7 23.bc6 bc6 24.Nb1 Red8 25.Rf2 h3 26.g3 Bg4 (better 26...Rb8-/+) 27.Bf1? (27.Bg4!? Qg4 28.f5=+) 27...f5 (better 27...Bd1!? 28.Qd1 Rb7-+) 28.Rc1 g5 (better 28...Rb7!? 29.Nc3 Rdb8-/+) 29.fg5= Qe7 30.g6 Qg5 31.Nc3 (31.Be2 Be2 32.Re2 Rb7=) 31...Qg6=+ 32.Ne2? (32.Rb1=+) 32...Qd6?? (better 32...Rd2 33.Qb3 Rb2-+) 33.Nf4= Be5 (better 33...Qh6=) 34.Nh3 (34.Bh3 Bh3 35.Nh3 Qh6+=) 34...Kg7 (better 34...Bg3 35.Rg2 Bh2 (35...Bh3?! 36.Rg3 Bg4 37.Be2=) 36.Rh2 Qg3 37.Rg2 Qh3-/+) 35.Nf4+= Rh8 36.d4?? (36.Be2 Be2 37.Ne2 Rh5+/-) 36...ed3?? (better 36...cd4 37.c5 Qh6-/+) 37.Nd3+/- Bg3 38.hg3 Qg3 39.Rg2 Qe3 40.Nf2 Rd2?? (40...Kf6!? 41.Qc3 Qd4 42.Qd4 cd4 43.Ng4 fg4 44.Rg4 Kf5+-) 41.Qc3 (better 41.Qf5! Rh4 42.Rg4 Rg4 43.Qg4 Kf6 44.Qh4 Kg6 45.Bg2+-) 41...Qc3 42.Rc3 Kf6?? (42...Rh4+-) 43.Ng4 fg4 44.Rd2 Kg5 45.Rg2 Rf8 (45...Kf4 46.Rcg3 Rh4 47.Be2+-) 46.Rcg3 Rf4 47.Be2 Kf6 48.Rg4 Rf5 49.Rf2 Ke5 50.Rf5 Kf5 51.Kf2 Ke5 52.Ke3 Kd6 53.Rg5 Kc7 54.Bf3 (better 54.Rc5!? Kd6 55.Kd4 Kd7+-) 54...Kb6 55.Kd3 Ka5 56.Rc5 Kb4 57.Rc6 a5 58.Ra6 Ka4 (58...Kc5 59.Ra5 Kd6 60.c5 Ke5 61.c6 Ke6 62.c7 Kd7 63.Rc5 Ke7 64.c8Q Kf7 65.Qf5 Ke8 66.Rc7 Kd8 67.Qd7) 59.c5 (59.Kc3 Ka3 60.Ra5) 59...Kb4 60.Ra8 (60.c6 Ka4 61.c7 Kb3 62.c8Q a4 63.Qc3 Ka2 64.Ra4 Kb1 65.Ra1) 60...Kb5 (60...Kc5 61.Ra5 Kb6+-) 61.c6 Kb6 62.Kc3 (62.Rb8 Kc7 63.Rb7 Kd6 64.c7 Kd7 65.Bg4 Kd6 66.c8Q a4 67.Qd7 Ke5 68.Qd4) 62...Kc7 63.Kb3 (63.Ra7 Kd6 64.c7 Kd7 65.Bg4 Kd6 66.c8Q Ke5 67.Qf5 Kd6 68.Qe6 Kc5 69.Ra5) 63...Kb6 64.Ka4 Kc7 65.Ka5 (65.Ra7 Kd6 66.c7 Kd7 67.Bg4 Kc6 68.c8Q Kd5 69.Qe6 Kd4 70.Rd7 Kc5 71.Qd6 Kc4 72.Rc7) 65...Kd6 66.Kb6 Ke5 (66...Ke7 67.c7 Kf7 68.c8Q Kf6 69.Qf8 Ke5 70.Re8 Kd4 71.Qc5 Kd3 72.Rd8) 67.c7 (67.Rf8 Kd6 68.c7 Ke5 69.c8Q Kd4 70.Qc5 Kd3 71.Rd8) 67...Kd4 (67...Kf6 68.c8Q Kg5 69.Qc5 Kf6 70.Qd6 Kg5 71.Ra5 Kh4 72.Rh5) 68.c8Q Ke3 69.Qc5 (69.Ra3 Kf4 70.Qf8 Kg5 71.Ra5 Kh4 72.Qf4 Kh3 73.Rh5) 69...Kd2 (69...Kf3 70.Qf5 Ke2 71.Ra3 Kd1 72.Ra2 Ke1 73.Qb1) 70.Rf8 (70.Rd8 Ke1 71.Rd1) 70...Kd3 (70...Ke1 71.Qe3 Kf1 72.Be4) 71.Qd5 (71.Rd8) 71...Ke3 72.Re8 (72.Be4 Ke2 73.Qd3 Ke1 74.Rf1) 72...Kf2 (72...Kf4 73.Qh5 Kg3 74.Qg4 Kf2 75.Qg2) 73.Bd1 (73.Re2 Kg3 74.Rg2 Kf4 75.Qe4) 73...Kg3 74.Qg5 (74.Rg8 Kf4 75.Qd4 Kf5 76.Bg4) 74...Kf2 75.Qf5 Kg3 76.Rg8 (76.Rg8 Kh4 77.Qg4) 1-0. BeepBeepImAJeep (2560) - LarryFDavid (2410), lichess.org, 2018.

9.Be2 e4 10.Nd4 Ne5 11.0-0 Nd3 12.Ba3 Nd7 13.Ne4 Re4 14.Bd3+/- Re8 15.Bb2 Ne5 16.Be2 Bd7 (16...Qe7!?+/-) 17.f4+- c5 18.Nb3 Nf3 19.Bf3 (19.gf3?! Bb2 20.Ra2 Bg7=) 19...Bb2 20.Rb1 Bg7 21.Bb7 Rb8 22.Bd5 (22.Qf3 Bf5 23.e4 Qe7 24.ef5 Qb7 25.Qb7 Rb7+-) 22...Be6? (better 22...Bf5+/-) 23.Qf3 Bd5 24.Qd5 (24.cd5?! c4 25.Nc1 Qa5+/-) 24...Qe7 25.Na5 Qe4 26.Qe4 (26.Qd6?! Rbd8 27.Qc6 Rd2 28.Qe4 Re4+-) 26...Re4 27.Rfc1 Rd8 28.Nc6 Rd7 29.a5 White intends b6 29...d5 (29...Re8+-) 30.cd5 Rd5 31.b6 ab6 32.ab6 Re8 (32...Bf8 33.b7 Bd6 34.b8Q Bb8 35.Rb8 (35.Nb8?! Rd2 36.Rc3 Kg7+-) 35...Kg7 36.Rc2+-) 33.b7 Bf6 (33...Bf8 34.b8Q Rb8 35.Rb8 Rd2 36.Ra1+-) 34.b8Q Rb8 35.Rb8 Kg7 36.Rc2 c4 (36...Rd6 37.Na5+-) 37.Rb4 Rd6 38.Rbc4 h6 39.Kf2 g5 40.fg5 hg5 41.g3 Kg6 42.Nd4 (42.e4 Re6+-) 42...Bg7 (42...Bd4 43.Rd4 Rd4 44.ed4+-) 43.Nf3 Rf6 (43...f5 44.Rc6 Rf6 45.d3+-) 44.Rc6 (44.h4 gh4 45.gh4 Kh5+-) 44...g4 45.Rf6 Bf6 46.Nd4 (46.Nh4 Kh7+-) 46...Bd4 47.ed4 f5 (47...Kf5 48.Ke3+-) 48.Ke3 Kg5 49.Rc5 Kf6 50.Kf4 Ke6 51.Rf5 Kd6 52.Re5 Kc6 53.Kg4 Kd6 54.Kf4 Kc6 55.g4 Kd6 Plans g5 56.g5 Kc6 (56...Kc7 57.g6 Kb7 58.g7 Kb6 59.g8Q Kc6 60.Qd5 Kc7 61.Re7 Kb6 62.Rb7 Ka6 63.Qb5) 57.g6 Kd6 (57...Kc7 58.g7 Kb6 59.g8Q Kc6 60.Qd5 Kc7 61.Re7 Kb6 62.Rb7 Ka6 63.Qb5) 58.g7 Kd7 (58...Kc6 59.Rc5 Kb6 60.g8Q Ka7 61.Rc7 Ka6 62.Qb8 Ka5 63.Ra7) 59.g8Q Kd6 (59...Kc6 60.Qd8 Kb7 61.Rb5 Kc6 62.Rb6) 60.Qg7 (60.Re6 Kd5 61.Ke3 Kc4 62.Rb6) 60...Kc6 61.Qf6 Kd7 62.Re7 Kd8 (62...Kc8 63.Qf8) 63.Qf8 1-0. BeepBeepImAJeep (2515) - db2004 (2220), lichess.org, 2017.

7.Nc3 Re8

8.Be2 d5 9.Bf3 (9.cd5!? Nd5 10.Nd5 Qd5 11.Rc1=) 9...d4 (better 9...dc4 10.Be2 Be6-/+) 10.ed4?? (better 10.Ne4=+) 10...ed4-+ 11.Nge2 dc3 12.Bc3 Ne4 (12...g5 13.d3-+) 13.0-0 (13.Bg7 Kg7 14.Be4 Re4-+) 13...Nc3 (13...Bc3!? 14.dc3 Nd2 15.Re1 Nf3 16.gf3-+) 14.dc3 Bf5?? (14...Nd7 15.Nd4-+) 15.Qc1?? (better 15.Qd8 Rd8 16.Bb7=) 15...Be4-+ 16.Rd1 Qg5?? (better 16...Qh4!? 17.Be4 Qe4 18.Qe3 Qe3 19.fe3-+) 17.Be4 (better 17.Qg5 Bf3 18.gf3+-) 17...Qc1-+ 18.Ng3?? (better 18.Rac1 Re4 19.Rd8 Bf8 20.Nd4-+) 18...Qc3 19.Rac1 Qf6 (better 19...Qa3 20.Bb7 Nd7 21.Ba8 Ra8 22.a5-+) 20.Bf3 (20.Bb7 Na6! 21.Ba6 Rad8-+) 20...Nd7! 21.Ne4 (21.Rd7 Qf4 Combination) 21...Qe7 22.Re1 (22.Nd2 Nc5 23.Nf1 Rab8-+) 22...Rad8 23.Nc5 Qe1 24.Re1 Re1 0-1. hurvajsmanka (1735) - Aaron_Whitney (2210), Hourly HyperBullet Arena, lichess.org, 2017.

8.Be2 Nbd7=+.

8.Nf3 c6 9.Be2 Nbd7 10.d4 e4 11.Nd2 h5 12.Qb3 c5 (better 12...h4+=) 13.Nd5 (better 13.0-0!?+=) 13...Nd5=+ 14.cd5 cd4 (14...Qg5 15.g3=+) 15.Bd4=+ Bd4 16.ed4 Qg5 17.Qe3 (17.Qg3!? Qg3 18.hg3=+) 17...Qg2-/+ 18.0-0-0 Nf6 (18...Nb6 19.Bf3 Qh3 20.Ne4 Nd5 21.Qd3-+) 19.Rhg1 Qh3 (worse 19...Qh2 20.Rh1 Nd5 21.Rh2 Ne3 22.fe3+=) 20.Rg3 (20.Nc4!?-/+) 20...Qh4 (20...Qh2 21.Qf4 Bg4 A) 22.Bg4? A1) worse 22...Ng4 23.Rg4 Qf4 24.Rf4 Rac8 25.Kb2=; A2) worse 22...Nd5 23.Qd6 h4 24.Bd7 (24.Qd5 hg3 25.Bd7 Rad8 26.Ne4 Qh4 27.Ng3 Qf4 28.Kb1 Re7-+) 24...hg3 25.Be8 (25.Qd5? Rad8 26.Ne4 Qh4 27.Ng3 Qf4 28.Kb1 Re7-+) 25...Rc8 26.Kb2=; A3) 22...Qh4-+; B) 22.Qf6 Rec8 23.Kb2 Be2 24.Rdg1+-) 21.Rdg1 Bg4 (21...Qh2 22.Qf4 Bg4 A) 23.Bg4 Nd5 (worse 23...Ng4 24.Rg4 Qf4 25.Rf4+-) 24.Qg5 e3 25.fe3 Rac8 26.Bc8 Rc8 27.Kb1 Nc3 28.Ka1 Qd2-+; B) 23.Qf6 Rac8 24.Kd1+-) 22.Qh6 Qh2?? (better 22...Bf5-+) 23.Bg4+- Qf2?? (23...Rac8 24.Bc8 Rc8 25.Kb2 Qg3 26.Rg3 Rf8+-) 24.Be6! Rac8 (24...fe6 25.Rg6 Mate attack) 25.Kd1 (better 25.Kb1 Ng4 26.Qg6 Kf8 27.Qh5+-) 25...Re6 (25...Ng4 26.Rg4 hg4 27.Rg4 Re6 28.de6 Qf5 29.ef7 Kf7+-) 26.Rg6! fg6 (26...fg6 27.Rg6 Mate attack) 27.Rg6 Kf7 28.Rg7 Ke8 29.Qh8 (29.Qh8 Ng8 30.Qg8 Qf8 31.Qe6 Kd8 32.Qd7) 1–0. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

8.Nf3 c6 9.Be2 Nbd7 10.d4 e4 11.Nd2 h5 12.Qc2 Qe7 13.a5 (13.0-0 h4+=) 13...c5 14.Nb3 (14.0-0 h4+=) 14...Rb8 (14...h4 15.dc5 Nc5 16.Rd1+=) 15.dc5 (15.0-0 h4+=) 15...dc5 (15...Nc5 16.0-0+=) 16.Rd1 Ne5 (16...b6 17.a6+=) 17.Nd5 (17.0-0!?+-) 17...Nd5+= 18.Rd5 b6 (18...Nd3 19.Bd3 ed3+=) 19.a6 (better 19.0-0!?+=) 19...Nd3=+ 20.Bd3 ed3 21.Rd3 Bb2 (better 21...Bf5 22.Bg7 Qe4=+) 22.Qb2-+ Qe4 23.Qe2 Qg2?? (better 23...Qc4 24.Qd1 Qb5-+) 24.Qf1= Qe4 25.Nd2 Qe5 (25...Qh4 26.h3=+) 26.Rd5 (26.e4 Be6=) 26...Qb2=+ 27.Rg1 (27.Qe2!?=+) 27...Be6 28.Rd3 Rbd8 29.Rd8 (29.f3-+) 29...Rd8 30.Qe2 Qc1 (30...Bc4 31.Qc4 Rd2 32.Rg6 Kf8 33.Rb6 ab6 34.a7-+) 31.Qd1 Qc3 32.Rg3 Bg4 (32...Bg4 33.Rg4 hg4-+) 0–1. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

8.Nf3 c6 9.Be2 Nbd7 10.d4 Qe7 11.de5 (11.0-0 a6=) 11...de5= 12.0-0 Nc5 Black plans e4 13.Nd2 e4 14.Ba3 b6 (14...Qe5 15.Bc5 Qc5 16.Qc2=) 15.bc6 Qc7 16.Bc5 bc5 17.Nb3 Qc6 18.Rb1 Be6 19.Qc2 Bf5 20.Rfd1 Ng4 (20...Rab8 21.Nb5=) 21.h3 (21.Rd5 Bf8+=) 21...Ne5 (21...Nf6 22.Na5 Qc7 23.Nb7+=) 22.Nd5 (22.g4 Be6 23.Qe4 Qc8+/-) 22...Nd3 (22...Bd7+=) 23.Rd3 (better 23.g4!? Be6 24.Bd3 ed3 25.Qd3+=) 23...ed3=+ 24.Bd3 Bd3 (worse 24...Qa4 25.Bf5 gf5 26.Nc7+/-) 25.Qd3 Kh8 26.a5 Rab8 27.Rd1 Qa4 28.Nc5 Qa5 29.Nb3 (29.Ne4!?=) 29...Qa3=+ 30.Nd4 (30.Nc1 Qa4 31.Ne2 Rec8=+) 30...Qc5 (30...Qd3!? 31.Rd3 Rec8-/+) 31.Nf3 Rbd8 32.Rc1 a5 33.Qb1 (33.Ng5 Kg8=+) 33...a4 34.Qa2?? (34.Qb7 Kg8-/+) 34...a3 (better 34...Rd5 35.Qa4 Red8-+) 35.Rd1 (35.Nd4 Re4 36.Nc3 Re7=+) 35...Bb2 (35...Rb8 36.Rd3 Rb2 37.Qa3 Qc4 38.Rd1-/+) 36.Rd3 Qb4?? (better 36...Ra8-/+) 37.Nb4+- Rd3 (37...Kg7 38.Nd4 Ra8 39.Nbc2+-) 38.Nd3 Rd8 39.Nb2 Rd2 40.Nd2 ab2 41.Qb2 Kg8 42.Qd4 (42.c5 Kf8 43.c6 Ke7 44.Qe5 Kd8 45.Qd6 Ke8 46.c7 f5 47.c8Q Kf7 48.Qcf8) 42...f6 43.c5 (43.Qf6 g5 44.Qe7 h6 45.Ne4 Kh8 46.Nf6 g4 47.Qf8) 43...Kf7 (43...Kg7 44.Ne4 Kf7 45.Qf6 Kg8 46.Ng5 h6 47.Qg6 Kf8 48.Qf7) 44.c6 (44.Qd7 Kf8 45.c6 h6 46.c7 f5 47.c8Q) 44...g5 45.c7 Kg6 (45...f5 46.Qd7 Kf6 47.c8Q h6 48.Qf5 Ke7 49.Qfe6) 46.c8Q (46.Ne4 Kh5 47.Qf6 h6 48.g4 Kh4 49.Qh6) 46...h6 (46...Kg7 47.Qcd7 Kg6 48.Qd3 f5 49.Q3f5 Kh5 50.Qfh7) 47.Qg8 Kf5 48.Qg4 (48.g4) 48...Ke5 49.Q8e6 1-0. BeepBeepImAJeep (2730) - chessmaster3000 (2385), lichess.org, 2016.

8.Nf3 Nbd7 9.Be2 Nc5 10.d4 ed4 11.Nd4 b6 (11...Qe7 12.0-0=) 12.Bf3 Nfe4 (12...Bg4 13.0-0 Bf3 14.Qf3=) 13.Nc6 (13.a5 Bb7 14.a6 Bc8+-) 13...Qg5 (better 13...Qh4!? 14.Ne4 Bb2=) 14.Ne4+- Bb2?? (better 14...Ne4 15.Bg7 Kg7+-) 15.Ng5+- (15.Ng5 h6 16.Nd4+-) 1–0. BeepBeepImAJeep (2605) – PDAV (2215), lichess.org, 2018.

8.Nf3 Nbd7 9.Be2 Nc5 10.d4 ed4 11.Nd4 Nce4 12.Ne4 Ne4 13.0-0 a6 14.Bf3 Bd7 15.Qc2 f5 16.Rfd1 Nc5 (16...Qh4 17.a5=) 17.Ne2 (17.Bd5 Kh8+/-) 17...Bb2+= 18.Qb2 Qe7 19.Nf4 Be6? (better 19...c6+=) 20.Ne6 Qe6?? (20...Ne6 21.Bb7 Ra7+-) 21.Bd5 1-0. BeepBeepImAJeep (2775) - Voinikonis_Nikita (2500), lichess.org, 2019.

8.Nf3 Nbd7 9.Be2 Nf8 10.0-0 N6d7 11.d4 e4 12.Nd2 f5 13.a5 Nf6 14.a6 (14.Qb3 f4+=) 14...b6 (14...ba6!? 15.ba6 Rb8=) 15.Rc1 Be6 16.Qb3 Bf7 17.Na2 g5 18.Nb4 Ng6 19.f4 (19.f3!?+/-) 19...gf4+= 20.ef4 e3 21.Nf3 (21.Nb1 Ng4 22.Nc2 d5+/-) 21...Ne4 (21...Nf4 22.Rce1 Ne2 23.Re2 f4=) 22.g3 (22.Bd1=) 22...h5?? (better 22...Nd2!? 23.Qd3 Nf1 24.Kf1 c5 25.bc6 Qc8=) 23.Rcd1 White prepares d5 (23.Nc6 Qd7 24.Qc2 h4 25.Nh4 Nh4 26.gh4 Qe6+=) 23...h4+= 24.d5 (better 24.Kg2!?+=) 24...hg3 25.Bg7 (25.Nc6 Qd7 26.Bg7 Nf4=+ (worse 26...Kg7 27.Qe3 Nf2 28.Qd4 Kg8 29.hg3 Nd1 30.Qd1+=)) 25...gh2 (25...Nf4 26.Qb2 Nf2 27.hg3 Ne2 28.Qe2 Kg7=+ (worse 28...Nd1 29.Ba1 Bg6 30.Rd1+-)) 26.Kh2=+ Kg7 27.Rg1 (27.Qe3 Nf6 28.Qd2 Ng4 29.Kg1 Ne3-/+) 27...Rh8 28.Kg2 Nf4 (28...Nf2!? 29.Qe3 Nd1 30.Bd1 Qf6-/+) 29.Kf1=+ Kf8 30.Qe3 Ne2 31.Ke2 Bh5 32.Kd3?? (better 32.Qd4 Bf3 33.Kf3 Rh3 34.Ke2-/+) 32...Qf6 33.Qd4 Bf3 34.Qf6 Nf6 35.Rdf1 (35.Rde1 Be4 36.Kd2 Rh2 37.Kc3 Rh3 38.Kd2 Kf7-+) 35...Be4 36.Kc3 Rh3 37.Kb2 Kf7 38.Nc6 Rah8 39.Rf2 Rh2 40.Rh2 Rh2 41.Ka3 f4 (better 41...Nd7!? 42.Kb4 Ne5 43.Rd1-+) 42.Na7 f3 43.Nc6 f2 44.Nd8 (44.Rf1 Bd3 45.Rf2 Rf2 46.Kb3 Bc2 47.Ka3-+) 44...Ke8 45.Rf1 Nd5 (45...Kd8 46.a7 Bd3 47.a8Q Ke7 48.Rd1 Bc4 49.Qc6-+) 46.Nc6 Rh3 47.Kb2 Nb4 (better 47...Ne3 48.Rf2 Nc4 49.Ka1 Bc6 50.bc6 Rh5-+) 48.Nb4 (48.a7 Nd3 49.Ka2 Nb4 50.Nb4 Bb7+/-) 48...Rh2 (better 48...Rf3!? 49.Nd5 Bd5 50.cd5 Kd7=+) 49.Kc3 Rh3 50.Kd4 Kd7?? (better 50...Rb3 51.Nd5 Bg6+-) 51.Ke4+- Rh4 52.Kd3 Rh8 (52...Rh3 53.Kd2 Rf3 54.a7+-) 53.Rf2 Re8 (53...Kc8 54.Nd5 Kb8 55.Rf7+-) 54.Nc6 1-0. BeepBeepImAJeep (2845) - Alexey11 (2405), lichess.org, 2017.

8.Nf3 e4 9.Nd4 c5 10.Nc2 d5 11.d3?? (11.Nd5!? Nd5 12.Bg7 Ne3 13.de3 Kg7 14.Be2=) 11...ed3 (11...d4!? 12.Ne4 Ne4 13.de4 Qa5 14.Qd2 Qd2 15.Kd2 de3 16.Kc1 ef2-/+) 12.Qd3 (12.Bd3!? d4 13.Ne2 Qa5 14.Kf1 de3 15.Ne3=+) 12...Bf5 13.Qd2 d4 14.Ne2?? (better 14.0-0-0 Bh6 15.h4-/+) 14...Bc2 (better 14...Ne4 15.Qd3 Qa5 16.Nc3 dc3 17.Ba3-+) 15.Nd4 (15.Qc2 Qa5 16.Qd2 Qd2 17.Kd2 Ne4 18.Ke1 de3 19.Bg7 ef2 20.Kd1 Kg7 21.Kc2-+) 15...cd4 16.Bd4 (16.Qc2 de3 17.f3 Nh5 18.Bg7 Qh4 19.Kd1 Ng3-+) 16...Bf5 17.Qc3 (17.Qb2-+) 17...Ne4 18.Qb2 (18.Bg7 Nc3 19.Bc3 Qh4-+) 18...Bd4 19.Qd4 Qd4 (better 19...Qa5 20.Ke2 Rd8 21.Rd1 Rd4 22.Rd4 Qa4 23.Re4 Be4 24.f3 Qc2 25.Ke1-+) 20.ed4 Ng3 21.Kd2 Nh1 (21...Nh1 22.f3 Nf2-+) 0-1. Jimito100 (1990) - BonjourChaton (2235), Hourly Bullet Arena, lichess.org, 2020.

8.Nf3 Be6 9.Be2= c6 (9...c5 10.Ng5=) 10.d4 ed4 11.Nd4 (worse 11.ed4 Bc4 12.0-0 Be2 13.Ne2 d5-/+) 11...d5 12.Ne6 fe6 13.0-0 Ne4 14.Qc2 Nc3 15.Bc3 Nd7 16.Bg7 Kg7 17.Rad1 Qf6 18.Bf3 (18.bc6 bc6 19.e4 d4=) 18...Rac8= 19.cd5 cd5 20.Qd2 Ne5 21.Be2 Rc5 (21...Nc4 22.Bc4 Rc4 23.a5=) 22.Qa5 Ra8 23.Rc1 Qe7 24.Rc5 Qc5 25.Qd2 Rc8 26.Qa5 a6 27.Qd2 ab5 (27...Nc4 28.Qc3 Kg8 29.Qf6=) 28.Bb5 (28.Qb2 Qc3 29.Qb5 Rc7=) 28...h5 (28...Rc7 29.Rb1=) 29.Qe2 Qd6 (29...Qc1 30.Rd1=) 30.h3 Kh6 (30...Qb4 31.Qd1+=) 31.Rd1 Rc3 32.Qd2 Qc5 (32...Rc5!?+-) 33.e4 Kh7 34.ed5 Rc2? (better 34...ed5 35.Qd5 b6+-) 35.Qe1 (better 35.Qf4+-) 35...ed5+= 36.Rd2 (36.Bf1!? Nc6 37.Rb1+=) 36...Rc1= 37.Rd1 Rd1 38.Qd1 d4 (38...Kg7 39.Kf1=) 39.Qe1 (39.f4!? Nc4 40.Qf3=) 39...d3=+ 40.Kh2 Qd4 41.g3?? (better 41.Qd2=+) 41...d2 (41...Nf3 42.Kh1 Ne1 43.a5 Qd5 44.f3 Qf3 45.Kg1 Qg2) 42.Qd1 (42.Qe2 d1Q 43.Qd1 Qd1 44.Kg2 Qf3 45.Kf1-+) 42...Qf2 43.Kh1 Nf3 (43...Nf3 44.Qf3 Qf3 45.Kg1 d1Q 46.Bf1 Qdf1 47.Kh2 Q1f2) 0–1. BeepBeepImAJeep (2645) – AstanehChess (2635), lichess.org, 2016.

8.Nf3 Bf5 9.Be2 Nbd7 10.0-0 c6 11.d4 ed4 (11...a6!?=) 12.Nd4+= (12.Qd4 Ne4 13.Qg7 Kg7 14.Ne4 Ne5 15.Nd6 Qd6-/+) 12...Be6 13.bc6 (13.a5 cb5 14.Ne6 Re6 15.Nb5 Nc5+/-) 13...bc6+= 14.Ne6 Re6 15.Rb1 Ne5 16.Qc2 h5 (16...Rb8 17.Rfd1+=) 17.Rbd1 Nfg4 (17...Rb8 18.Rd4+=) 18.h3+/- Qh4? (better 18...Nf6+/-) 19.hg4+- hg4 (19...Ng4 20.Bg4 Qg4 21.Qb3+-) 20.Ne4 g5 (20...Rd8 21.Ng3 Bf6+-) 21.Rd6 (21.Nd6?? Rh6 22.f4 g3 23.Qh7 Rh7 24.Be5 Qh2) 21...Rae8 22.Rfd1 f5 (22...Rh6 23.Rh6 Qh6 24.Ng3+-) 23.Ng3 f4 (23...Rd6 24.Rd6 Qh7 25.Qf5 Qf5 26.Nf5+-) 24.Nf5 (better 24.Re6!? Re6 25.Rd8 Kf7+-) 24...Qh7 (24...Rd6 25.Nh4 Rd1 26.Qd1 gh4 27.ef4 Ng6 28.Bg7 Kg7 29.Bg4 Re7+-) 25.ef4 (25.Rd7 Nd7 26.Rd7 fe3 27.Rg7 Qg7 28.Ng7 ef2 29.Kh2 g3 30.Kh3 f1R 31.Bf1 Rh6 32.Kg3 Re3 33.Kg4 Rh4 34.Kg5 Rh7+-) 25...gf4?? (25...Nf3 26.gf3 Re2 27.Rd8 Rc2 28.Re8 Bf8 29.Rf8 Kf8 30.Rd8 Kf7 31.Rd7 Kg6 32.Rh7 Kh7 33.Be5 gf3 34.Ne3 Rc1 35.Kh2 gf4 36.Bf4+-) 26.Be5 (better 26.Re6 Re6 27.Be5 Re5 28.Bg4 Bf8+-) 26...Re5 27.Bg4 (27.Bd3 Qh5 28.Ng7 (28.Rc6 Re1 29.Re1 Re1 30.Bf1 g3 31.Rc8 Kf7 32.Nd6 Ke7 33.Re8 Kd7 34.Qf5 Qf5 35.Nf5 Re8 36.Ng7 Re5+=) 28...Kg7 29.Rg6 (29.Rc6 g3 30.Be4 Qh2 31.Kf1 Qh1 32.Ke2 Re4 33.Kd3 Qg2 34.Qb2 R8e5 35.Rc7 Kg6-+) 29...Kf7 30.Qc1+-) 27…Re1 (27...Re1 28.Re1 Re1) 0-1. BeepBeepImAJeep (2755) - Bashirli (2680), lichess.org, 2020.

7.Nf3 a6

8.Nc3 ab5 9.ab5 Ra1 10.Qa1 Nbd7 11.Be2 Nc5 12.d4 ed4 13.Nd4 Bg4 14.0-0 Be2 15.Nce2 Nd3 16.Ba3 Ne4 17.Qb1 Ndf2 18.Rf2 (18.Nf3 Qa8 19.Bb4 Qa7=) 18...Nf2=+ 19.Kf2 Qh4 20.Kg1 Re8 21.Nf3 (better 21.g3 Qg5 22.Bc1=) 21...Qc4-/+ 22.Kf2 Bh6 (22...Ra8 23.Qb4 Qc2 24.Ne1-/+) 23.Bc1-/+ d5 24.Bd2 Ra8 25.g3 Ra2 26.Ne5 Qc2 27.Qc2 Rc2 28.Bc3 Kf8 (28...Bg7!?-/+) 29.Nd7= Ke7 30.Nf6 c6?? (better 30...Kd6=) 31.Ng8+- d6 32.Nh6 cb5 (32...f5+-) 33.Nf7 Kc5 (33...Ke6 34.Ng5 Kf5 35.h4+- (35.Nh7?! Ke4+/-)) 34.Bd4 Kc4 (34...Kb4 35.Ke1+-) 35.Ne5 Kb3 36.Ke1 b4 37.Kd1 Rc8 38.Nf4 Ka2 (38...Rd8 39.h3+-) 39.Nd5 b3 (39...Kb3 40.h4+-) 40.Nd3 Rd8 41.N5b4 (better 41.e4!? Ka3+-) 41...Ka3 42.Kd2 Rc8 43.Bb2 (43.e4 g5+-) 43...Ka4 44.e4 Rc4 (44...g5 45.h4+-) 45.e5 Rb4 (45...b6 46.e6 Rc8+-) 46.Nb4 Kb4 47.e6 1-0. BeepBeepImAJeep - pzkpfwvi (2045), lichess.org, 2018.

8.d4 ab5 9.ab5 Ra1 10.Ba1 e4=.

8.Be2 ab5 9.ab5 Ra1 10.Ba1 c6 11.Nc3 Bf5 12.0-0 Nbd7 13.d4 e4 (13...Qe7 14.Qa4 c5 15.Qa7=) 14.Nd2+= d5 15.Qb3 Be6 16.Bb2 Qb8 17.Ra1 cb5 (better 17...Rd8+=) 18.cd5+- (18.Nb5?! Rc8+=; 18.cb5?! Qc7=; 18.Nd5?! bc4 19.Bc4 Nd5 20.Bd5 Bd5 21.Qd5 Nf6=) 18...Bg4 (18...Bf5 19.Ba3 b4 20.Bb4+-) 19.Bb5 (worse 19.Nde4 b4 20.Nf6 Nf6 21.Qb4 Be2 22.Ne2 Nd5+-) 19...Bf5 20.Bd7 Bd7 21.Nde4 Ng4 22.g3 f5 (22...Rd8 23.Qb6+-) 23.Nc5 Be8 24.d6 (24.Qb7!? Qb7 25.Nb7 Nf6+-) 24...Bf7 25.Qb6 1-0. onur604 (2320) - wwwchessmega (2205), Casual Rapid game, lichess.org, 2021.

8.Be2 ab5 9.ab5= Ra1 10.Ba1 Be6 11.0-0 Nbd7 12.Nc3 (12.d4 ed4 13.Bd4 c5 14.bc6 bc6=) 12...Nc5 (12...Qe7 13.Ng5=) 13.d4 ed4 14.Nd4 (14.ed4 Nfe4+=) 14...Bd7 (14...Qe7 15.Na4=) 15.Bf3 Qc8 (15...Be6 16.Ne6 fe6 17.Na4 Na4 18.Qa4+=) 16.Bb2 (16.Nb3 Nb3 17.Qb3 Bg4 18.Bg4 Qg4+=) 16...Re8 17.h3 Nfe4 18.Ne4 Ne4 19.Qc2 Nc5 (19...Ng5 20.Be2=) 20.Ra1 Ne6 (20...Qd8 21.Ra7+=) 21.Ra7 (21.Ne6 Bb2 22.Qb2 Be6+-) 21...Nd4+= 22.Bd4 Bd4 23.ed4 c6 24.Qa4 (better 24.b6!?+=) 24...cb5=+ 25.cb5?? (better 25.Qa3 bc4 26.Bb7=+) 25...Qc1-+ 26.Kh2 (26.Qd1 Re1 27.Qe1 Qe1 28.Kh2 Bb5 29.Rb7-+) 26...Qf4 27.g3 Qf3 28.Qc2 Re2 (28...Re1 29.Qc8 Bc8 30.Rb7 Qf2) 29.Ra8 Kg7 (29...Kg7 30.Qe2 Qe2 31.Kg2 Qe4 32.Kh2 Qf3 33.Kg1 Bh3 34.Rg8 Kg8 35.d5 Qg2) 0–1. RichardSommer (2190) – GGPPSS (2165), lichess.org, 2020.

8.Be2 ab5 9.ab5 Ra1 10.Ba1 Be6 11.d4 ed4 12.Nd4 Bd7 13.0-0 d5 14.Nd2 dc4 15.Nc4 c6 16.Qb3 cb5 17.Nb5 Be6 18.Rd1 Bd7 (better 18...Qe7!?+=) 19.Nbd6+- Bc6 (19...Qc7 20.Qb7 Qb7 21.Nb7+-) 20.Nb7 Qc7 21.Nbd6 Nbd7 22.Nb5 Qb7 23.Na5 Qb6 (23...Bd5 24.Qc3 Qc8 25.Nc7+-) 24.Nc6 Qc6 25.Nd4 (25.Nd6 Nc5 26.Qc4 Ne8+-) 25...Qb6 26.Qb6 Nb6 27.Nf3 Nbd5 (27...Ne4 28.Bd3 Nc3 29.Rc1+/-) 28.Bd4 Rd8 29.h3 (29.Ne5 Rc8+-) 29...Ne7 30.Rc1 Nf5 31.Be5 Ne4 32.Bg7 Kg7 33.Rd1 Rd1 34.Bd1 Nc3 35.Bc2 Nd6 36.Nd4 Nce4 37.f3 Nc5 38.e4 Nc4 39.Ne2 (39.g3 h6+/-) 39...Ne3 40.Bb1 Nb3 41.Kf2 Nc4 42.Ba2 Nca5 43.Bb3 Nb3 44.Ke3 Nc5 45.Nf4 Ne6 (45...h5+-) 46.Ne6 fe6 47.Kf4 Kf6 48.e5 Kf7 49.Ke4 (49.Kg5!? Kg7+-) 49...Ke7 (49...g5 50.f4 gf4 51.Kf4+-) 50.Kd4 Kd7 51.Kc5 Kc7 52.h4 Kd7 53.Kb6 h6 54.f4 (54.f4 h5 55.Kb7+-) 1-0. BeepBeepImAJeep (2700) - PrincessPeach (1970), lichess.org, 2017.

8.Be2 ab5 9.ab5= Ra1 10.Ba1 Qe7 11.d4 ed4 12.Bd4=.

8.Be2 e4 9.Nd4=+.

7.Nf3 Nbd7

8.Nc3 b6 9.Be2 Bb7 10.0-0 Nh5 11.a5 f5 (11...ba5!? 12.Ra5 a6+=) 12.a6+/- Bc8 13.Qc2 Nc5 (13...e4 14.Ne1+/-) 14.d4 Ne6 (14...Nd7 15.de5 Ne5 16.Ne5 de5 17.Bh5 gh5 18.Nd5+-) 15.de5+- de5 16.Nd5 (better 16.Rfd1 Qe8 17.Nd5+-) 16...g5? (better 16...e4 17.Ne5 Qg5+/-) 17.Ne5+- Be5 (17...g4 18.Bd3+-) 18.Be5 (18.Bh5?! Bb2 19.Qb2 g4+-) 18...g4 19.Bb2 Qg5 20.g3 (20.Qc3 Nhg7+-) 20...Bd7 21.Rad1 Be8 22.Qc3 Nhg7 23.Nf6 Kh8 24.Nd5 h5?? (24...Kg8 25.f3 Bh5+-) 25.Bc1 (25.Qe5 Kh7+-) 25...h4 (25...Rd8 26.e4! Qg6 27.Ne7+-) 26.e4! Qg6 (26...fe4 27.Qe3 Double attack (27.Bg5 Discovered attack; 27.Qe3 Decoy)) 27.ef5 (27.Ne7 Qf7 28.Nf5 c6+-) 27...Qf5 28.Bb2 Bg6 (28...Qg6 29.Nf6+-) 29.Bd3 (29.Nc7 hg3 30.Ne6 gf2 31.Kg2 Rf7 32.Ng7 Qe4 33.Kg3 Qf4 34.Kh4 Kh7 35.Bg4 Rg8+-) 29...Qg5 (29...Qf7 30.Nf6 Bd3 31.Qd3 Ng5 32.gh4 Nh3 33.Kh1 Qf6 34.Bf6 Rf6+-) 30.Nc7 Bd3 (30...Kg8 31.gh4 Qh6 32.Na8 Ra8 33.Bg6 Qg6+-) 31.Na8 (better 31.Ne6 Qf6 32.Rd3 Qc3 33.Bc3+-) 31...Bf1= 32.Rf1 (32.Nb6!? Be2 33.Re1+=) 32...hg3=+ 33.fg3 Qc5 (33...Ra8!? 34.Bc1 Qh5-/+) 34.Kg2= Ra8 (34...Rf1 35.Kf1 Qf8 36.Kg1 Qa8 37.Qd3=) 35.Rf7 (better 35.Rf6 Rf8 36.Ba3+-) 35...Qg5= 36.Qe1 (36.Rf6 Kg8 37.Rf2-/+) 36...Rd8?? (better 36...Kg8 37.Rb7 Qg6=+) 37.Qe6+- Rd2 38.Rf2 Rf2?? (better 38...Rb2 39.Qc8 Kh7 40.Rb2 Qe5+=) 39.Kf2+- Qd2 40.Qe2 Qe2 (40...Qd7+-) 41.Ke2 Kg8 42.Bg7 Kg7 43.Ke3 Kf6 44.Kf4 (better 44.Kd4!? Kf5+-) 44...Kg6 (44...Ke6 45.c5 bc5 46.b6 ab6 47.a7+-) 45.Kg4 (45.Kg4 Kf6 46.Kf4+-) 1-0. brucepeng (2000) - Rmove64 (2035), lichess.org, 2020.

8.Be2 Nc5 9.d4 e4 (9...ed4!? 10.ed4 Ne6=) 10.dc5+= ef3 11.Bf3 dc5 12.0-0 Qe7 13.Nc3 Be6 (13...Rd8 14.Qe2+=) 14.Nd5 (14.Bb7 Bc4 15.Ba8 Bf1+-) 14...Nd5 (14...Bd5 15.cd5 Rfd8 16.Qb3+-) 15.Bg7+- Ne3?? (better 15...Kg7 16.cd5 Bf5+-) 16.Bf8+- (16.fe3?! Kg7 17.Bb7 Bc4 18.Ba8 Bf1=) 16...Nd1 (16...Rf8 17.fe3 Bc4+-) 17.Be7 Nc3 (17...Nb2+-) 18.Bc5 (better 18.Rfc1 Ne2 19.Be2 b6+-) 18…b6 (18...Bc4 19.Bb7 Rb8+-) 1–0. RichardSommer (2080) – Kaaterstrophe (2125), lichess.org, 2020.

8.Be2 e4 9.Nd4 Nc5 10.0-0 h5 11.Nc3 Bg4 12.f3 ef3 13.Bf3 Qd7 14.Ba3 (14.Qc2 Rae8+=) 14...Rfe8 15.a5 Rad8 (15...Bf3!? 16.Qf3 Ng4+=) 16.a6+/- ba6 17.ba6 (17.Nc6!? Ra8 18.Bc5 dc5 19.Ra6 Bf3 20.Rf3+/-) 17...Na6 18.h3 (18.Bb2!? Rb8 19.Ndb5+=) 18...Bf3=+ 19.Qf3 c5 20.Ndb5 Nb4 (better 20...Nb8 21.Bb2 a6=+) 21.Bb4+/- cb4 22.Ra7 Qe6? (22...Qf5 23.Qb7 Rd7 24.Qd7 A) 24...Nd7? 25.Rf5 gf5 26.Nd5+- (worse 26.Rd7 bc3 27.dc3 Re3+/-; 26.Nd6 bc3 27.dc3 Rd8-/+); B) 24...Qd7 25.Rd7 Nd7+/-) 23.Nd5 (better 23.Nc7!? Qf5 24.Qb7 Qf1 25.Kf1 Rb8 26.Ne8 Rb7 27.Rb7 bc3 28.Nf6 Bf6 29.dc3 Bc3+-) 23...Nd5 24.cd5 (24.Qd5?! Qd5 25.cd5 f5+=) 24...Qf5 25.Rf7 (better 25.Qf5!? gf5 26.Rf5+/-) 25...Qf3+= 26.R7f3 (26.gf3?? Kf7 27.Rb1 Re5-+; worse 26.R1f3 b3=+) 26...b3 (26...Re5!? 27.Nc7 Rd7=) 27.Rb1+/- b2 28.Nc3 (better 28.d4!? Re7 29.Rb2+/-) 28...Rb8= 29.Rf2 Rec8 30.Kh2 Rb3 (worse 30...Bc3 31.dc3 Rc3 32.Rfb2 Rb2 33.Rb2+/-) 31.Re2 (31.Kg3 Re8=) 31...Ra8 (31...Bc3?! 32.dc3 Rcb8 33.Kg3=) 32.Ree1 Be5 33.g3 Rab8 (33...h4 34.Kg2 Bg3 35.Rf1-/+) 34.Kg2 (34.Re2 h4 35.Kg2 hg3=) 34...Bc3 35.dc3 Rc3 36.Re2 Rcb3 37.Kf3 (37.Rf2 Kh7=+) 37...Kg7-/+ 38.Kf4 Kf6 39.g4 (39.h4 R3b4 40.Kf3 Kf5-/+) 39...hg4 40.hg4 (40.Kg4 Ke5-+) 40...R8b4 41.Kf3 Ke5 42.Rd2 g5 43.Rdd1? (43.Kf2 Rb5-/+) 43...Rb5 (better 43...Rf4! 44.Kg2 Rg4 45.Kf2 Rgb4-+) 44.Rd2 R3b4 45.Rd3? (better 45.Kf2-+) 45...Rd5 46.Rc3 Rc5 47.Rd3 (47.Rc5 dc5 48.Ke2 Rg4-+) 47...Rc1 48.Rb2 (48.Rd4 Rb1 49.Rb4 Rf1 50.Kg3 b1Q 51.Rb1 Rb1-+) 48...Rb2 49.e4 Rcc2 (better 49...Rf1 50.Ke3 Re1 51.Kf3 Re4-+) 50.Kg3 (50.Rd5 Ke6 51.Ke3 Rc3 52.Rd3 Rd3 53.Kd3-+) 50...Ke4 51.Ra3 (51.Re3 Ke3 52.Kh3 Rh2 53.Kg3 Rbg2) 51...Rg2 52.Kh3 Rh2 53.Kg3 Rbg2 0-1. BeepBeepImAJeep (2760) - dhoine98 (2770), lichess.org, 2020.

8.Be2 Ne8 9.d4 f5 (9...ed4!? 10.Bd4 Ne5+=) 10.de5+- de5 11.0-0 (11.Ne5!? Nd6 12.Qd5 Kh8 13.Nd7 Bb2 14.Ra2 Bd7 15.Rb2+-) 11...e4+= 12.Nd4 Ne5 13.Nd2 Nf6 (13...c5 14.bc6 bc6 15.c5+=) 14.f4 (14.Nf5!? Bf5 15.Be5+-) 14...ef3= 15.N2f3 Neg4 16.Qb3 Qe7 (16...Re8 17.Nc2=) 17.Ba3+= Qe3 18.Qe3 Ne3 19.Bf8 Bf8 20.Rfc1 (20.Rfb1 Bc5 21.Bd3 f4=) 20...Bc5 (20...Ne4 21.a5=) 21.Nb3 Bd6 (21...Bb4 22.c5=) 22.c5+= Bf4 23.g3 Bh6 24.Rc3 (24.Nbd4 a6+=) 24...Be6 (24...Ne4 25.Rd3=) 25.Nbd4 Ne4 26.Rca3 (26.Rcc1 Bd5 27.c6 bc6 28.Nc6 Bf8+=) 26...Bd5= (worse 26...Nc5 27.Rc1 (27.Ne6?! Ne6 28.Rd3 Nc5=+) 27...Nc4 28.Rac3 (28.Ne6?! Na3 29.Rc5 Be3 30.Kf1 Bc5 31.Nc5 Rb8+=) 28...Bc1 29.Rc1+-) 27.Bd3 (27.c6 bc6 28.bc6 Ng4=) 27...Re8 (27...Nc5 28.Rc1 Nd3 29.Rd3-/+) 28.a5 (better 28.c6!?=) 28...Nc5-/+ 29.Be2? (29.Re1-/+) 29...Nc4?? (better 29...Bf3 30.Nf3 Nc2-+) 30.Bc4=+ Bc4 31.Kg2 (31.Rc3 Bd5=+) 31...a6 (31...Bd5 32.Rd1-/+) 32.b6 (32.Rc3!? ab5 33.Nb5 Bb5 34.Rc5=+) 32...cb6-/+ 33.ab6 Ne4 (33...Bd5 34.Rd1-/+) 34.Rd1 g5 (better 34...Bf7-/+) 35.Nf5= Bf8 36.Re3 (36.Ra5 Bc5 37.Rd7 g4+-) 36...Bc5 37.Ree1 g4 (37...Kf8!? 38.g4 Bb5=) 38.Ng5!?+= Ng5?? Exploits the pin (better 38...Bb5 39.Re4 Bc6+-) 39.Re8+- Kf7 40.Re4 (better 40.Re5 Bf8 41.Ne3+-) 40...Ne4-+ 41.Nd6 (41.Nh6 Ke6 42.Ng4 Bb6 43.Re1-+) 41...Bd6 42.h3 (42.Rc1 Bd5 43.Kf1 Bc5-+) 42...Be2 (42...gh3 43.Kh2 Bg3 44.Kh3 Nf2 45.Kg3 Nd1-+) 43.hg4 (43.Rd5 Ke6 44.Rh5 Bf3 45.Kg1 gh3 46.Rh6 Kf5 47.Rh3-+) 43...Bf3 (better 43...Bd1 44.g5 Bg3-+) 44.Kf3 Ng5 45.Kg2 Ne6?? (45...Ke6 46.Rc1-+) 46.Rf1?? (better 46.Rd6 Ke7 47.Rd5+-) 46...Ke7-+ 47.Re1 (47.Re1 Bc5 48.Rd1-+). BeepBeepImAJeep (2725) – imonahorse (2435), lichess.org, 2016.

8.Be2 Re8 9.0-0 a6 10.Nc3 Nc5 11.d4 ed4 12.Nd4 (12.Qd4? Nb3 13.Qh4 Na1 14.Ba1 ab5 15.cb5 c5-+) 12...h5 13.Ba3 Bg4 14.Rc1 Be2 15.Qe2 ab5 16.cb5 Nfd7 (16...Na4!? 17.Na4 Ra4-/+) 17.Qc2 Qg5 18.Bb4 b6 (18...Re3 19.fe3 Qe3 20.Kh1 Qd4 21.Bc5 dc5 22.Rfd1 Qc3 23.Qc3 Bc3 24.Rd7 Ra4 25.Rc7+=) 19.Rfd1 Nf6 20.Nf3 Qg4 21.Rd4 Qc8 22.h3 Ra7 23.Rdd1 Qa8 (23...Nfd7=) 24.Ra1 (better 24.a5+/-) 24...Nfe4=+ 25.Nd4 Nc3 26.Bc3 Ra4 (26...Qe4 27.Qd2-/+) 27.Nc6=+ Bc3 28.Qc3 Ree4 29.Qf6 Qe8 30.Rab1 (30.Ra4!? Ra4 31.Ne7 Kh7 32.Nd5=) 30...Re6 31.Qb2 Qf8 32.Ra1 Qg7 33.Nd4 Re8 34.Ra4 Na4 35.Qc2 Nc5 36.Ra1 Ne6 37.Ra4 Nd4 38.Rd4 Re7 39.Rc4 f5 (39...Qa1!? 40.Qc1 Qc1 41.Rc1 Kf8-/+) 40.Rc6 Kh7 41.Qc4 Qf7 42.Qc3 f4 (42...d5!?=+) 43.ef4= h4 (worse 43...Qf4 44.Rc7 Qf7 45.Rc6+/-) 44.Qc4 Qg7 45.f5 Re1 (better 45...Qa1 46.Kh2 Qe5 47.f4 Qe3 48.Rc7 Qg3 49.Kg1 Qe1 50.Kh2 Qg3 51.Kg1 Qe1 52.Kh2 Qg3=) 46.Kh2+/- Qe5 (46...Qf6!? 47.Rc7 Kh6+/-) 47.f4+- Qe3?? (better 47...Qa1 48.Qf7 Qg7 49.fg6 Kh6 50.Rc7 Qf7 51.gf7 Kg7+-) 48.Rc7 (48.Qf7 Kh8 49.Qf8 Kh7 50.Rc7 Qe7 51.Re7 Re7 52.Qe7 Kh6 53.Qf8 Kh7 54.f6 d5 55.Qg7) 48...Kh6= 49.Rh7 Kh7 50.Qf7 Kh8 51.Qf8 ½-½. Timmermans,M (2375) - Jirovsky,M (2445), European Blitz (22), 2018.

7.Nf3 e4

8.Nd4 c5 9.Nc2 Nbd7 10.Be2 Ne5 11.0-0 h5 12.d4 ed3 13.Bd3 Nfg4 (better 13...Nd3!? 14.Qd3 Bf5-/+) 14.Be2= Qh4 15.h3 Nf3 (15...Nh6!? 16.Qd6 Nc4 17.Bc4 Bb2-/+ (17...Qc4?! 18.Bg7 Kg7 19.Nba3+=)) 16.Bf3+/- Bb2 17.hg4 hg4 18.Bd5 Kg7 19.g3 Qh5 20.Nd2 (better 20.Ra2 Rh8 21.Re1+/-) 20...Rh8=+ 21.Re1 Be6 (better 21...Bf5!? 22.Nb3 Be6=+) 22.Bg2+/- (22.Bb7 d5 23.Kf1 Rad8-+) 22...Rh6 23.e4 (23.Bb7?! d5 24.Kf1 Rd8=+) 23...Rah8 24.Ne3?? (better 24.Nf1 Ba1 25.Qa1 Qe5 26.Nce3+/-) 24…Qh1!! (24...Qh1 25.Bh1 Rh1 26.Kg2 R8h2; 24...Ba1 25.Qa1 Qe5 26.Nb3+/-) 0-1. Timmermans,M (2375) - Demidov,M (2520), European Rapid, 2018.

8.Nd4 Nbd7 9.Be2 Nc5 10.0-0 Nfd7 11.Nc3 Ne5 12.Qc2 f5 13.f3 ef3 (13...Ned3 14.fe4 Nb2 15.Qb2 fe4 16.Rf8 Qf8 17.Rf1=) 14.Nf3+= Ng4 (14...Be6 15.d4 Nc4 16.Bc4 Bc4 17.dc5 Bf1 18.Qb3 Rf7 19.Rf1 dc5 20.Rd1+=) 15.Nd5 Be6 16.Bg7 Kg7 17.Nf4 Bf7 18.Nd4 Nf6 (18...Qh4 19.Bg4 fg4 20.Rf2+=) 19.Bf3+/- Qe7 20.a5 a6 21.Rfb1 ab5 22.cb5 Ra7 (22...Nfe4!?+/-) 23.a6 d5?? (better 23...Nfe4+/-) 24.Qc5!!+- (24.Qc5 Qc5 25.Nfe6 Be6 26.Ne6 Kf7 27.Nc5 ba6 28.Ra6+-) 1-0. BeepBeepImAJeep - MichelangeIo (2850), lichess.org, 2016.

8.Nd4 Nbd7 9.Be2= Nc5 (9...Ne5 10.f4 Nd3 11.Bd3 ed3 12.0-0=) 10.0-0 Re8 (10...a6 11.f3=) 11.f4 (11.f3 ef3 12.Bf3 Nd3=) 11...ef3 (11...Ne6 12.a5=) 12.Bf3 Nd3 13.Bc3 Ne5 14.Be2 Ne4 15.Bb2 Nc5 (15...c5 16.bc6 bc6 17.Nc3=) 16.Qc2+= Bd7 (16...Qg5 17.Nc3=) 17.Nc3 c6 18.Nf3 (better 18.a5!?+=) 18...Bf5=+ 19.Qd1 Ncd3 (19...Ned3 20.Ra2-/+) 20.Ne5=+ Nb2 (worse 20...Ne5 21.d4 Nd7 22.e4 Be4 23.Ne4 Re4 24.Bf3+=) 21.Qb3 de5 (21...Na4 22.Qa4 de5-/+ (22...Re5?! 23.bc6 bc6 24.Qc6=)) 22.Qb2=+ e4 23.Qc2 (23.a5 a6=+) 23...Be5 (23...Qd7 24.Rad1=+) 24.g3 (24.bc6 bc6 25.Rab1 Qc7=+) 24...Qd6 (24...Be6 25.a5=+ (25.Qe4? Bf5 26.Qf3 Qd2-+; worse 25.Ne4 Ba1 26.Ra1 Bf5-/+)) 25.Rf2 (25.Rad1 Bg3 26.d4 Bh2 27.Kh1 Qg3-+) 25...Rad8 26.Bf1 (26.Ra2 Qe6=+) 26...Qe7 (26...h6 27.Rb1=+) 27.Re1 (27.Rb1 Bg7=+) 27...h5 (27...Qe6 28.Rb1=+ (28.Ne4? Be4 29.Qe4 Bg3-+)) 28.Bg2 Pawn e4, live or die! (28.Ne4? Be4 29.Qe4 Bg3-+) 28...Bg7 (28...h4 A) 29.Be4 hg3 30.hg3 Bg3 31.Bf5 Bf2 32.Kf2 Qh4 (32...gf5?! 33.Rh1-/+) 33.Kf1 Qh1 (33...gf5?! 34.Ne2-+) 34.Kf2 Rd2 35.Qd2 Qh2 36.Kf1 Qd2-+; B) 29.Ne4 hg3 30.hg3 Bg3 31.Rf5 Be1-+; C) 29.g4 Bg4 30.Ne4=+ (30.Qe4? Qg5-+)) 29.Ne2 (29.Rf4 cb5 30.ab5 Be5=) 29...Qb4 Exerts pressure on the backward pawn (29...h4 30.Ref1=+) 30.Nf4= Rd6 (30...cb5 31.ab5 Qc5 32.Rc1=) 31.Nh5 (31.c5 Rf6 32.Rb1 Qa3=) 31...gh5 32.Rf5 (32.bc6 bc6 33.Rf5 Rd2=+ (worse 33...Qd2 34.Qd2 Rd2 35.Rh5=)) 32...Rd2=+ (worse 32...Qd2 33.Qd2 Rd2 34.Rh5=) 33.Qc1 h4 (33...Bb2 34.Qb1 Qc4 35.Rg5 Kf8 36.bc6 bc6 37.Rh5 Qa4-/+) 34.Rf2 (better 34.Rg5!?=+) 34...Rf2-/+ 35.Kf2 hg3 36.hg3 Qa4 37.Bf1 (37.bc6 bc6 38.Rd1 Qa2 39.Rd2 Qa5-/+) 37...Rd8 38.Be2 Qb4 (38...a5 39.Rd1 Rd1 40.Qd1 Qd1 41.Bd1 cb5 42.cb5-/+) 39.Rd1 (39.Qc2 f5-/+) 39...Qe7 40.Rd8 Qd8 41.Qh1 (41.Qa3 Qf6 42.Kg2 cb5 43.cb5 Qb6-/+) 41...Qf6-+ 42.Kg1 Qe5 43.Kf2 a5 44.ba6 ba6 45.Qd1 Qf6 46.Kg2 Qg5 47.Qb3? (47.Qd7 Be5 48.Bg4-/+) 47...Be5 48.g4 (48.c5-+) 48...Qh4 49.Qc2 Qh2 50.Kf1 Bg3 51.Bd1 (51.Bf3 Qc2 52.Be2 Qc1 53.Kg2 Qe3 54.g5 Qf2 55.Kh3 Qh2 56.Kg4 Qh4 57.Kf5 Qf4) 51…Qh1 (51...Qh1 52.Ke2 Qg2) 0–1. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

8.Nd4 Bg4 9.Be2 Be2 10.Qe2 Nbd7 11.0-0 Nc5 12.Nc3 Nfd7 13.f3 ef3 14.Nf3 (worse 14.Rf3 Bd4 15.ed4 Nb3-/+) 14...Ne4 15.d4 Nc3 16.Bc3 c5 17.bc6 bc6 18.Rab1 Rb8 19.Rb8 Qb8 20.Qd3 Qb3 21.Nd2 Qb6 (21...Qa4?? 22.Ra1 Qa1 23.Ba1+-) 22.a5 Qc7 23.Rb1 Rb8 24.Rb8 Qb8 25.Qe4 c5 26.Qe7 cd4 27.Bd4 Ne5 (27...Qc7!? 28.Bg7 Kg7+=) 28.Qa7+- (worse 28.Ba7 Qb4 29.Qd8 Bf8+=) 28...Qb4 29.Nf1 Nc4 30.Qa8 Bf8 31.a6 Qe1 32.Qf3 Qa5 33.a7 Ne5 34.Qb7 1–0. Timmermans,Mark (2220) – Hoffman,Ro (2080), Vlissingen NED, 2012.

8.Nd4 Bg4 9.f3 ef3 10.Nf3=+ (worse 10.gf3 Ne4 11.fg4 Qh4 12.Ke2 Qg4 13.Ke1 Qh4 14.Ke2 Bf6=+).

7.Nf3 Be6

8.Nc3 h6 9.Be2 Nbd7 10.0-0 Ne8 11.d4 f5 12.de5 de5 13.h3 (13.Ba3 Rf7+=) 13...Nef6 14.Re1 Qe7 (14...Ne4 15.Qc2 Nd6 16.Ba3+=) 15.Bf1 (better 15.Ba3!? Nc5 16.Ne5+/-) 15...Rad8 16.Nh2 (16.Nd5!? Qf7 17.Ba3 Bd5 18.cd5=+) 16...Qf7 17.Qc2 (17.e4 Ne4 18.Ne4 fe4=+) 17...Nc5 (17...Bc4!? 18.Bc4 Qc4-/+) 18.Ba3 b6 (18...Nfd7 19.Nd5 Rc8 20.Nf3=+) 19.Bc5= bc5 20.Rad1 (20.Nf3 Nd7=) 20...Bc4=+ 21.Bc4 (21.Rd8 Rd8 22.Ne4 A) 22...fe4?? 23.Bc4 (23.Qc4?! Qc4 24.Bc4 Kf8=) 23...Nd5 24.Rd1+- (24.Qe4?! Kh7 25.Rd1 Ne3 26.Rd8 Nc4+-); B) worse 22...Ne4 23.Bc4 Rd5 24.Qa2+- (worse 24.Bd5 Qd5 25.Rd1 Qe6+-); C) 22...Bd5 23.Nc5 c6 24.bc6 Rc8=+) 21...Qc4 22.Nf3 Ne4 23.Rd8 Rd8 24.Rc1?? (better 24.Qa2 Qa2 25.Na2-+) 24...Rd3 (better 24...Nc3 25.Nh4 Bf6-+ (worse 25...Qh4 26.Qc3 Qa4 27.Qc5-+)) 25.Ne4+= Qc2 (25...Qe4 26.Ne1 Ra3 27.Qc5 Ra4 28.Qc7+=) 26.Rc2+/- fe4 27.Ne1 (better 27.Nd2!?+/-) 27...Rd5= 28.Kf1 (28.Rc4 Kf7=) 28...Kf7 29.Ke2 Ke6 30.Rd2 (30.f3!? ef3 31.gf3+=) 30...Bf8 (30...Rd2 31.Kd2 Kd5 32.Kc3-/+) 31.Rd5 (31.Rc2!?=+) 31...Kd5-/+ 32.Nc2 (32.f3 ef3 33.Nf3 g5-/+) 32...c4 (32...Kc4 33.Na3 Kb4 34.Nb1-+) 33.Kd2-/+ Bc5 (better 33...c6 34.Kc3 cb5 35.ab5 Bc5-/+) 34.Kc3= c6 35.Nb4? (better 35.bc6 Kc6 36.Kc4=) 35...Bb4-/+ 36.Kb4 c5?? (better 36...cb5 37.ab5 g5-+) 37.Ka5?? (better 37.Kc3+-) 37...Kd6 (better 37...c3 38.Ka6 c2 39.Ka7-+) 38.b6 (38.Ka6 c3 39.Ka7-+) 38...ab6 39.Kb6 c3 40.a5 c2 41.a6 c1Q 42.a7 Qb2 (42...Qb2 43.Ka5 Qb4 44.Ka6 Kc7 45.a8N Kc6 46.Nc7 Qb6) 0-1. hurvajsmanka (1720) - antibiotik (2250), Rated Bullet tournament, lichess.org, 2014.

8.Be2 a6 9.0-0 ab5 10.ab5 Nbd7 11.Nc3 Ra1 12.Ba1 (12.Qa1 Nb6 13.d3 Nfd7=) 12...Qe7 13.h3 Ra8 14.Qb3 c6 (14...Ra7 15.d4=) 15.Qc2 (15.bc6 bc6 16.Qb7 Qd8=) 15...Nc5 16.d4 ed4 17.Nd4 Nfe4?? (better 17...cb5 18.Ncb5 Nfe4=) 18.Ne4+- Ne4 (18...Bc4 19.Nc5 Bd4 20.Bd4 (20.ed4?! Qe2 21.Qe2 Be2+=; 20.Bc4?! Ba1 21.Nb3 Be5+-) 20...Be2 21.Qe2 dc5 22.Bc3+-) 19.Qe4 c5 (19...cb5 20.cb5 (20.Ne6?! Ba1 21.Nc5 Be5 22.Qb7 Qb7 23.Nb7 Ra2+-) 20...d5 21.Qf3+-) 20.Ne6 Ra1 (20...fe6 21.Bg7 Kg7+-) 21.Ra1 Ba1 22.Ng5 (better 22.Nc5 Qe4 23.Ne4+-) 22...Qg5 23.Qe8 (23.Qb7!? Qd8+-) 23...Kg7 24.Qd7 Be5 25.Qb7 h5? (better 25...Qf5+-) 26.f4 Qh4 (26...Qg3 27.fe5 Qe3 28.Kf1 de5+-) 27.fe5 Qe1 28.Bf1 (28.Kh2 h4 29.e6 Qg3 30.Kh1 Qe1 31.Bf1 Qf1 32.Kh2+-) 28...Qe3 29.Kh1 Qe5 (29...de5 30.Qf3 Qc1 31.Kg1+-) 30.Qf3 f5 (30...Qb2+-) 31.b6 Kh6 (31...Qe7 32.Qc6 Qe1 33.Qd6 Qf1 34.Kh2 Qc4+-) 32.b7 Qe8 33.Qd5 (better 33.Qf4 Kh7 34.Qd6 Kg7+-) 33...Qb8 34.Be2 (34.Be2 Kg5 35.Qc6+-) 1–0. RichardSommer (1960) – quodlibet123 (1935), lichess.org, 2020.

8.Be2 Nbd7 9.d4 ed4 10.Nd4 Re8 11.0-0 Nc5 12.Nd2 Nfe4 13.Ne4 Ne4 14.Qc2 (14.Ne6 Re6 15.Bg7 Kg7+=) 14...Nc5 15.a5 Qd7 (15...a6!?=) 16.a6+/- ba6 17.ba6 (better 17.Bf3+/-) 17...Rab8=+ 18.Bf3 Rf8 (18...Bf5 A) 19.Nf5?? Rb2 (19...Bb2?! 20.Ra2-/+) 20.Nh6 Kf8-+; B) 19.Qd2=+) 19.Bc6 (19.Rfb1 Rb6=) 19...Qe7 20.Bb5 (20.Ne6?? A) worse 20...Bb2 21.Nf8 Ba1 22.Ng6 (worse 22.Ra1 Qf8 23.Qd1 Rb6=+) 22...fg6 23.Ra1+=; B) 20...fe6?! 21.Bg7 Kg7 22.Rab1=+; C) 20...Rb2 21.Qb2 Bb2 22.Nc5 Ba1-+ (worse 22...dc5 23.Ra2-+)) 20...Bd7 21.Rab1 Bb5 (better 21...Rfd8!?=) 22.cb5+/- (worse 22.Nb5 Rb6=) 22...Qe4 23.Rfc1 (23.Qe4 Ne4 24.Nc6 Nd2 25.Bg7 Kg7 26.Nb8 Rb8+/-) 23...Qc2+= 24.Rc2 Rfe8 25.Ba3?? (better 25.Bc3+=) 25...Bd4-+ 26.ed4 Ne6?? (better 26...Rb5! 27.Rcc1 Rb1 28.Rb1 Na6-+) 27.Rd2 Rb6 28.g3 (28.Kf1 Reb8 29.d5 Ng7=) 28...Reb8 29.d5 Nf8 (better 29...Ng5!? 30.Kg2 Rb5 31.Rb5 Rb5=) 30.Rdb2+/- Nd7 (30...g5!?+/-) 31.Rc1 Rb5 (31...Rc8!? 32.Rbc2 Kf8 33.Rc7 Rc7 34.Rc7 Ke7+-) 32.Rb5+- Rb5 33.Rc7 Nb6 (33...Nc5 34.Ra7 Kg7 35.Ra8+-) 34.Bd6 (34.Ra7!? Ra5 35.Bb4 Ra2+-) 34...Rd5 35.Bc5 Rd1 36.Kg2 Ra1 (36...Kg7+-) 37.Ra7 Nd5 (37...Ra6 38.Ra6 Nc4 39.Bd4+-) 38.Bd4 (better 38.Ra8 Kg7 39.Bd4 Kh6 40.Ba1+-) 38...f6 (38...Ra6 39.Ra6 Kf8 40.Ra7+-) 39.Rd7 (better 39.Ba1 Nb4 40.Ra8 Kf7 41.a7+-) 39...Nb4 (39...Ra6 40.Rd5 Kf8+-) 40.a7 (better 40.Ba1 Na6 41.Bf6 Nc5 42.Rg7 Kf8 43.Rh7 Ne4+-) 40...Nc6 (40...Ra2 41.Rd8 Kf7+-) 41.Rd8! Nd8 (41...Kf7 42.Ba1 Na7 43.Rd7 Ke6 44.Ra7+-) 42.Ba1 Nc6 1-0. BeepBeepImAJeep (2685) - aashetty (2360), lichess.org, 2016.

8.Be2 h6 9.0-0 Nbd7 10.Nc3 Nc5 11.d4 ed4 12.Nd4 (worse 12.Qd4 Nfe4 13.Qg7 Kg7 14.Ne4 f6 15.Nc5 dc5-+) 12...Bd7 13.Bf3 Rb8 14.Qc2 Ne6 (14...Ng4 15.Bd5=) 15.Nce2 Ng5 16.Ng3 (16.Bd5 Qe8=) 16...Nf3 17.Nf3 Bg4 18.Nd4 h5 19.Ne4 (19.h3 h4 20.Nge2 Bd7+=) 19...Ne4= 20.Qe4 Re8 21.Qc2 Qe7 22.h3 Bd7 23.Rfe1 Qe4 24.Qc1 (24.Rac1 Qc2 25.Rc2 a6=) 24...Re7 (better 24...c5 25.Ne2 Bb2 26.Qb2 Be6=) 25.Nf3 (better 25.c5!?+=) 25...Bb2 (25...Bh3 26.Bg7 Qg4 27.Nh4 Qh4 28.gh3 Kg7 29.Kg2-/+) 26.Qb2 Rbe8 (26...Bh3!? 27.Qd4 Qg4 28.Qg4 Bg4-/+ (worse 28...hg4 29.Nd4+/-)) 27.Rad1 (27.Nd2 Qe5 28.Qe5 Re5=) 27...Qc4 28.Rd4 Qe6 29.Qc1 Qf6 30.Nh2?? (better 30.Qc7 Bb5 31.Qa5=) 30...Re4 (better 30...Qd4! 31.Qa3 Qb6-+) 31.Re4+/- Re4 32.Qc7 Be6 33.Qb7 (33.Qb8 Kg7 34.Qa7 Bd5+/-) 33...Ra4 34.Nf3 Bh3?? (better 34...Bc4+/-) 35.gh3+- Qc3 (35...Qf5 36.Kg2+-) 36.Qb8 Kh7 37.Qd6 Rh4 (37...Kg7 38.Rd1+-) 38.Qg3 (better 38.Qe7 Qc4 39.Nh4+-) 38...Rc4 39.Ng5 Kg7 40.Nf3 h4?? (40...Kh7 41.Rd1 h4+-) 41.Qg2 Qf6 42.Rf1 (42.Qf1 Ra4 43.Qe2 Rb4+-) 42...Rc2 (42...Rc5 43.Rb1+-) 43.Qg4 Rc5 44.Nh4 (44.Rb1 Rf5 45.Kg2+- (45.Nh4 Rg5 46.Ng2 Rg4 47.hg4 Qf3-/+)) 44...Rg5-+ 45.Ng2 Rg4 46.hg4 Qf3 (46...Qb2!? 47.Rd1-+) 47.Rc1 1-0. brucepeng (2035) - betweenline (2045), lichess.org, 2021.

8.Be2 h6 9.0-0 Nbd7 10.d4 e4 11.Nfd2 c6 12.Nc3 d5 13.f3 (13.bc6 bc6 14.Ba3 Re8+=) 13...Bf5 (13...ef3!? 14.Bf3 dc4 15.bc6 bc6=) 14.fe4+/- Ne4 15.Nde4 (worse 15.cd5 Nc3 16.Bc3 cd5=) 15...Be4 16.Ne4 de4 17.Qc2 f5 18.d5 (18.Rad1 Qg5 19.Rf4 c5+=) 18...Bb2 19.Qb2 cd5 20.cd5 Qf6 (20...Rf6 21.Rfd1=) 21.Qf6 (21.Qd2 Qd6=) 21...Nf6 (21...Rf6 22.Rfd1=) 22.Bc4 (22.d6!?+=) 22...Rfd8 23.Rfd1 Ne8 (23...Rd6 24.Rac1=) 24.Bb3 (24.Rac1 Rd6=) 24...Nd6 25.Rac1 Rac8 26.Kf1 Kf7 27.Ke2 Kf6 28.Kd2 Ke5 29.Rc8 (29.g3!?=) 29...Rc8 30.Rc1 (30.h4 g5 31.g3 Nc4 32.Ke2 Kd6 33.hg5 hg5-/+) 30...Rc1 31.Kc1 g5 Black prepares the advance f4 32.Kd2 f4 33.ef4 gf4 34.Ke2 (34.Kc3 Nc8-+) 34...Ne8 35.a5 (35.Kd2 Nf6-+) 35...Nf6 36.b6?! (36.Kf2-+) 36...ab6 37.ab6 Nd5 38.Ba4 (38.Bc4 Nb6 39.Bb5 Nd5-+) 38...Nb6 (better 38...Nc3 39.Ke1 Na4-+) 39.Be8 Nd5 0-1. hurvajsmanka (1740) - antibiotik (2240), Rated Bullet tournament, lichess.org, 2014.

6.e3 Bf5

7.Nc3 e5 8.Nf3 Nbd7 (8...c5 9.d3=) 9.Be2= Nc5 (9...c5 10.0-0=) 10.d4 ed4 11.Nd4 Bc8 12.0-0 Ne6 13.Bf3 Nd4 (13...Ng5 14.Nd5=) 14.Qd4 (14.ed4 Re8+=) 14...Re8 (14...Ng4 15.Qd2=) 15.Rac1 (15.Nd5 Nh5 16.Qd2 Nf6+-) 15...Ne4 (15...Nd7 16.Qd1=) 16.Qd3 (16.Qd1 Ng5=) 16...Nc5 17.Qc2 Bf5 18.Qd1 (better 18.e4!? Be6 19.Nd1=) 18...Nd3-/+ 19.Rb1? (better 19.Qd2 Nc1 20.Rc1-/+) 19...Nb2-+ 20.Rb2 Bc3 21.Rb3 Bg7 22.Bb7 Rb8 23.Bc6 Bd7 (23...Re5 24.a5-+) 24.a5 (24.Bd7 Qd7 25.Qd3 Re5-+) 24...Bc6 25.bc6 Rb3 26.Qb3 Qb8 (26...Re5 27.a6-+) 27.Rb1 Qb3 28.Rb3 Rd8 (28...Re4 29.Rb8 Bf8 30.Rb7 Rc4 31.g3-+) 29.e4? (better 29.Rb7 d5 30.c5-/+) 29...Re8-+ 30.f3 Bd4 31.Kf1 Rc8 (31...f5 32.Rb7 Re7 33.Ke2-+) 32.Rb7 Kf8 33.Ke2 Ke8 (33...Ke7 34.Kd3 Bg1 35.Ke2-+) 34.Kd3 Bc5 35.e5 (better 35.a6-+) 35...de5 36.Ke4 Bd6 (36...Bg1 37.c5-+) 37.Kd5 Ke7?? (better 37...Rd8-+) 38.c5+= Rd8 (38...Bc5 39.Kc5 a6 40.Kd5 Rd8 41.Ke5 f6 42.Kf4=) 39.cd6 (39.Ra7 Kf6 40.cd6 Rd6 41.Kc5 Rd2+-) 39...Rd6 40.Kc5 White gets the initiative (40.Ke5?! Rc6 41.Ra7 Kd7=) 40...Kd8 (40...Ke6 41.Rc7 (worse 41.Ra7 Rd5 42.Kb4 Kd6=+) 41...Rd5 42.Kb4 Rd4 43.Kb5 Rd5 44.Ka6+-) 41.Ra7 Rd1 42.Ra8 Ke7 43.Rc8 Rc1 44.Kd5 Rd1 45.Ke5 f6 (better 45...Re1!? 46.Kd5 Rd1 47.Kc5 Rc1 48.Kb5 Rb1 49.Ka6 Kd6+-) 46.Kf4+- Kd6?? (better 46...Ra1 47.Rc7 Kd6 48.Rh7 Ra5+-) 47.Rd8 Kc6 48.Rd1 Kb5 49.Rc1 Ka5 (49...c5 50.Ra1 Ka6 51.Ke4+-) 50.Rc7 (50.Rc7 h5 51.Rc5 Kb4 52.Rh5 gh5 53.g4+-) 1–0. BeepBeepImAJeep (2585) – jorgi (2050), lichess.org, 2017.

7.d4 Re8 8.Nf3 Nbd7 9.Be2 e5 10.de5 Ne5 11.Ne5 de5 12.0-0 Qd6 13.Qd6 cd6 14.Nd2 Rac8 15.Rac1 Ne4 16.Ne4 Be4 17.f3 Bf5 18.e4 Be6 19.Rc2 Re7 20.Rd1 Rd7 21.c5 dc5 22.Rd7 Bd7 23.Bc4 Kf8 24.Rd2 Rc7 25.Rd5 f6 26.Ba3 b6 27.Kf2 Ke7 28.Ke3 f5 29.g3 f4 30.gf4 ef4 31.Kf4 Bh6 32.Kg3 Bg7 33.f4 Bd4 34.h3 Be6 35.Rg5 Bc4 36.f5 gf5 37.ef5 Kf6 38.Rh5 Rg7 39.Kf4 Bb3 40.Rh6 Kf7 41.Rc6 Ba4 42.Rc7 Kf8 43.Rc8 Kf7 44.Rc7 Kf8 45.Rc8 Kf7 46.Rc7 Kf6 47.Rc6 Ke7 48.Rc7 Kf6 49.Rc6 Kf7 50.Rc7 ½–½. A_VB – Castlebear2, lichess.org, 2019.

7.Nf3 a6 8.d4=.

7.Nf3 c6 8.Be2 cb5 9.cb5 a6 10.Nc3 ab5 11.ab5 Ra1 12.Qa1 Qd7 13.0-0 e6 (13...Rc8 14.Nd4=) 14.Rc1 (14.Nd4 e5 15.Nf5 Qf5+-) 14...Ne4 (14...e5 15.Qa4+=) 15.d4 (15.Ne4 Bb2 16.Qb2 Be4+-) 15...Nc3 16.Bc3 Be4? (16...Rc8 17.Nd2 e5 18.de5 Be5 19.Be5 Rc1 20.Qc1 de5 21.Qc3+-) 17.Ba5 (17.Nd2 f5 18.f3 Bh6 19.fe4 Be3 20.Kh1 fe4+-) 17...d5? (17...Bf3 18.Bf3 d5 19.Be2+-) 18.Ne5 (18.Rc7!? Qe8 19.Rb7+-) 18...Be5+- 19.de5 Qe7? (better 19...Rc8+-) 20.f3+- Bf5 21.g4 Bg4 22.Qd4?? (better 22.fg4 Qg5 23.Qd4+-) 22...Bh3 23.Qf4 (better 23.f4 Qh4 24.Be1+=) 23...f6?? (better 23...Qa3 24.Bd2 Nd7=+) 24.Bb4+- fe5 25.Be7 (25.Qf8 Qf8 26.Bf8 Kf8 27.Rc8 Ke7 28.Rb8 b6+-) 25...Rf4 (25...ef4 26.Bf8 Kf8 27.Rc8 Ke7 28.Rb8 b6+-) 26.ef4 ef4 (26...Kf7 27.Rc7 Ke8 28.b6+-) 27.Rc8 Kf7 28.Rb8 Ke7 29.Rb7 Kd6 30.Rh7 e5 31.b6 (better 31.Rh3 Kc5 32.Rh8+-) 31...Kc5 (31...Bc8+-) 32.b7 Kb6 33.b8Q (33.b8Q Kc5 34.Rc7 Kd4 35.Qb6) 1–0. BeepBeepImAJeep (2565) – RomasCapi (1685), lichess.org, 2017.

7.Nf3 Nbd7 8.Be2 c5 9.d3=.

7.Nf3 Nbd7 8.Be2 Nc5 9.0-0 a6 10.h3 (10.d4 Nce4=) 10...ab5 11.ab5 Ra1 12.Ba1 Nd3 (12...e5 13.Nc3=) 13.Qb3 (13.g4 Be4 14.Ng5+-) 13...Ne5 (13...Nc5 14.Qa3=) 14.Nd4 (better 14.Ne5 de5 15.Be5+-) 14...Bd7? (better 14...Bc8=) 15.f4+- c5 (15...Bc8 16.fe5 de5 17.Nf3+-) 16.fe5 cd4?! (16...de5 17.Nf3 e4+-) 17.ef6 Bf6 18.Bd4 Bd4 19.ed4 Qc8 20.Qf3 f5 21.Nc3 e5 22.de5 (22.Qd5 Be6 23.Qd6 Rd8 24.Qe5 Bc4 25.Bc4 Qc4+-) 22...de5 23.Nd5 (23.Qd5 Be6 24.Qe5 Bc4 25.Bc4 Qc4+-) 23...e4 (23...Qc5 24.Qe3 Qe3 25.de3+-) 24.Ne7 (better 24.Qa3 Qd8 25.d3 ed3 26.Qd3+-) 24...Kh8 (24...Kf7 25.Qa3 Qd8+-) 25.Qc3 (25.Nc8?! ef3 26.Bf3 Rc8+-) 25...Rf6 26.Nc8 (26.Qf6) 26...Kg7+- 27.Nd6 Kf8 (27...Be6 28.Ne8 Kf8 29.Qf6 Ke8 30.Qe6 Kf8 31.Qd7 h6 32.Ra1 f4 33.Ra8) 28.Qf6 Kg8 29.Qf7 Kh8 30.g4 (30.Qf8) 30...Be6 (30...h5 31.Qf8 Kh7 32.Ne4 g5 33.Nf6 Kg6 34.gh5) 31.Qf8 Bg8 32.Nf7 (32.Qf6) 1–0. RichardSommer (1950) – A0dh (1945), lichess.org, 2020.

7.Nf3 Nbd7 8.Be2 e5 9.0-0 Be6 (9...a6 10.Nc3=) 10.h3 (10.d4 ed4 11.Bd4 a6=) 10...Ne8 (10...e4 11.Nd4=) 11.Nc3 f5 12.d4 e4 13.Nd2 Ndf6 14.f3 ef3 15.Bf3 (worse 15.gf3 f4 16.Re1 fe3-+) 15...Qe7 (better 15...d5!?+=) 16.Bb7+- Rb8 17.Bc6 (17.Qf3 Bd7+-) 17...Bd7+- 18.Bd5 Kh8 19.Qf3 Nh5 (19...c6 20.bc6 Rb2 21.cd7 Rd2 22.de8N Re8 23.Rad1+=) 20.a5 (20.Rae1 c5+-) 20...Nef6 21.c5 (21.Bb7!?+-) 21...dc5 (21...Bb5 22.cd6 cd6 23.Rfc1=+ (23.Nb5? Rb5 24.Bb3 Ne4 25.Ne4 Rb3-+)) 22.dc5 (better 22.Ba3 Ne4 23.Be4 fe4 A) worse 24.Bc5 A1) 24...ef3? 25.Be7 Bh6 26.Nc4+- (26.Nf3?! Be3 27.Kh2 Bf4 28.Kh1 Rfe8+=); A2) 24...Rf3 25.Be7 Re3-+; B) 24.Qe4?! Rf1 25.Rf1 Qe4 26.Nde4 cd4=; C) 24.Qe2 Rf1 25.Nf1+= (worse 25.Qf1 Qg5 26.Qf2 cd4 27.Nde4 Qe3 28.Qe3 de3-/+)) 22...Rbe8?? Exerts pressure on the isolated pawn (22...Bb5 23.Nb5 Nd5 24.Bg7 Ng7 25.Rab1=+) 23.b6?? (23.c6!? Bc8 24.Nc4+-) 23...ab6 (better 23...Qc5!? 24.Rfc1 f4=+) 24.cb6+- cb6 25.ab6 Qe3 (25...Qb4 26.Ra2 f4 27.e4 Qb6 28.Kh2+=) 26.Qe3+- Re3 27.b7 Rc3?? (27...Rb8 28.Nde4! Ne8+-) 28.Bc3 Nd5 29.Bg7 (better 29.Ra8 Nc3 30.Rf8 Bf8 31.b8Q+-) 29...Ng7 (29...Kg7 30.Ra8 Bc6 31.Rf8 Bb7+-) 30.Ra8 (30.Ra8 Re8 31.Re1+-) 1–0. RichardSommer (2100) – DoctorFu (2095), lichess.org, 2020.

6.e3 Nh5

7.Nc3 c5 8.Be2 Nd7 (8...Nf6 9.Nf3=) 9.Nf3 (9.Bh5 gh5 10.Nf3 Nb6+=) 9...Ndf6 10.0-0 d5 (10...e5 11.a5+=) 11.d4 (11.Nd5 Nd5 12.Bg7 Ng7 13.cd5 Qd5+=) 11...dc4 12.Bc4 cd4 13.Nd4 e5 14.Nf3 Qd1 (14...Qc7 15.Bd5+=) 15.Rfd1 Bg4 16.Be2 Rac8? (better 16...e4!? 17.Nd4 Be2 18.Nce2 Rfd8=) 17.Ne5 Be2 18.Ne2 Rc2 (better 18...Ng4 19.Ng4 Bb2+-) 19.Nd3?? (better 19.Nd4 Rcc8 20.a5+-) 19...Re2-+ 20.Rac1 Ne4 21.f3 (21.Bg7 Kg7 22.Kf1 Ra2-+) 21...Bb2 22.Nb2 Rb2 23.fe4 Nf6 24.Rd4 (24.Rc7 Ng4 25.Re1 Rb4-+) 24...Re8 25.h3 Re4 26.Rc8 Kg7 27.Re4 Ne4 28.Rc7 (28.Ra8 Rb1 29.Kh2 h5-+) 28...Ng3 (better 28...Rb4-+) 29.Rb7 Ne2 (29...h5 30.Ra7 h4 31.e4 Ne4 32.Kf1-+) 30.Kh2 Nc3 31.Ra7 Na4?? (better 31...h6-+) 32.Ra4= Rb5 33.Rd4 Re5 34.e4 Re6 35.Kg3 Kf6 36.Kf4 Kg7 (36...g5 37.Ke3=) 37.g4+= h6 38.h4 Re7 39.g5 Re6 40.e5 hg5 41.hg5 Rb6 42.Ke4 (42.Rd7 Kf8+=) 42...Rb1= 43.Rd7 Re1 44.Kf4 Kg8 45.Rd8 Kg7 46.Rd7 Rf1 47.Ke4 Re1 48.Kf3 (better 48.Kd5=) 48...Rd1?? (better 48...Re5 49.Kg4 Kf8=+) 49.Rd1+- Kf8 (49...Kg8 50.Rd8 Kg7 51.Ke4+-) 50.Rd6 (better 50.Ke4 Ke7+-) 50...Ke7 51.Rf6 Ke8 52.Ke4 Ke7 (52...Kd7 53.Rf7 Kc6 54.Ra7 Kc5 55.Rc7 Kb6 56.Rc1 Kb7 57.e6 Kb8 58.e7 Kb7 59.e8Q Ka6 60.Rb1 Ka5 61.Qb5) 53.Kd5 White intends e6 53...Ke8 (53...Kf8 54.e6 Ke8 55.ef7 Kd8 56.Kc6 Ke7 57.f8Q) 54.e6 Ke7 55.Ke5 (55.ef7 Kf8 56.Kc5 Ke7 57.f8Q Kd7 58.Rf7 Ke6 59.Qe7) 55...fe6 56.Re6 (56.Rg6 Kd7 57.Re6 Kc7 58.g6 Kb7 59.g7 Kc7 60.g8Q Kd7 61.Qf7 Kd8 62.Re8) 56...Kf7 57.Rf6 (57.Rc6 Kg7 58.Rc7 Kg8 59.Kf6 Kh8 60.Kg6 Kg8 61.Rc8) 57...Kg7 58.Ke6 Kh7 (58...Kg8 59.Rg6 Kf8 60.Rh6 Kg7 61.Ke7 Kg8 62.Rg6 Kh7 63.Kf7 Kh8 64.Rh6) 59.Kf7 Kh8 60.Rg6 Kh7 61.Rh6 1–0. BeepBeepImAJeep (2595) – crashtru (2095), lichess.org, 2016.

7.Nc3 c6 8.Be2 cb5 9.ab5+= (worse 9.Bh5 b4 (worse 9...gh5 10.ab5 Bg4 11.Nf3+=) 10.Bf3 bc3 11.Bc3 Bc3 12.dc3 Nd7=+) 9...a6 (9...Nf6 10.Nf3+=) 10.Nf3 (better 10.Bh5 gh5 11.Qh5+-) 10...ab5?? (better 10...Nf6+=) 11.Ra8+- bc4 (11...b4 12.Nd5 Bb2 13.Rb8+-) 12.Bc4 (better 12.Rb8 Nf6+-) 12...Nc6 13.Be2 (13.d4 Nf6+-) 13...Nb4 (13...Nf6 14.0-0+-) 14.0-0 Na6 15.Ba6 ba6 16.d4 (16.Nd5 Qd7 17.Bg7 Kg7 18.Qa1 e5+-) 16...Qc7 (16...Qb6 17.Qe2 Qb7 18.Rc8 Rc8+-) 17.Qb3 Bb7 18.Rf8 Bf8 19.Nd2 Qc6 Threatening mate: Qxg2 20.d5 Qc7 21.Qc4 (21.Ne2 Qd7+-) 21...Qb8 (21...Qc4 22.Nc4 f5 23.Na5+-) 22.Rb1 Qa7 (22...Qc8 23.Ba1 Qd7 24.Nb3+-) 23.Na4 (23.Qc7 Qa8 24.Ba1 Bd5+-) 23...e6 (23...Qa8 24.Qc3 f6 25.Nb6+-) 24.Qd4 (better 24.de6 Bg2 25.Kg2 Qb7 26.Kg1 fe6 27.Qe6 Qf7 28.Qf7 Kf7 29.Nb6+-) 24...Qd4 25.Bd4 (worse 25.ed4 Bd5 26.Ba3 Bh6+-) 25...Bd5 26.Nb6 (better 26.Nc3 Bc6+-) 26...Ba2 (26...Bc6+-) 27.Ra1 Bd5 (27...e5 28.Ra2 ed4 29.ed4+-) 28.Ra6 (28.Nd5 ed5 29.Ra6 f5+-) 28...Bc6 (28...Bb7 29.Ra7 Bc6 30.Ndc4+-) 29.Nbc4 Bb5 30.Ra8 Bc4 31.Nc4 e5 32.Ne5! de5 Theme: Deflection from c5 33.Bc5 Kg7 (33...f5 34.Rf8 Kg7 35.Ra8+-) 34.Bf8 Kf6 35.Ra7 (35.Ra6 Kg5 36.Be7 Kf5+-) 35...Ke6 (35...Ng7 36.e4+-) 36.Re7 (36.g4 g5+-) 36...Kf5 (36...Kd6 37.Rf7 Ke6 38.Re7 Kd6 39.Rh7 Ke6 40.Re7 Kd6 41.Rg7 Ke6 42.Rg6 Nf6 43.Bg7+-) 37.Rf7 Ke6 38.Rh7 (38.Re7 Kf5+-) 38...Nf6 39.Rh6 (39.Re7 Kd6+-) 39...Nd5 (39...Kf7 40.Bc5+-) 40.Rg6 Kf5 (40...Kf7 41.Rd6 Nf6 42.Rd8+-) 41.e4 (41.Rd6!? Nf6 42.f3 e4+-) 41...Ke4 42.Rg4 (better 42.Rd6 Nf4 43.Bg7 Nd5+-) 42...Kf5 43.f3 Ne3 (43...Nf6 44.Ra4+-) 44.Re4 (44.Re4 Nd5 45.g4 Ke6 46.Bg7+-) 1–0. BeepBeepImAJeep (2510) – crashtru (1865), lichess.org, 2017.

7.Nc3 c6 8.Be2 Nf6 9.Nf3 cb5 10.cb5 d5 11.0-0 Nbd7 12.d4 b6 (12...Re8 13.Qb3 Nb8 14.Rfc1+=) 13.Rc1 Bb7 14.Na2 Rc8 15.Nb4 Rc1 16.Qc1 White launches an attack 16...e6 (16...Qb8 17.Ba3 Rc8 18.Qa1+=) 17.Qa1 (better 17.Nc6 Qa8 18.Ba3+-) 17...Qe7? (better 17...Ne4!?+=) 18.Ba3+- Qd8 (18...Ra8 19.Nd5! Qd8 20.Ne7 Kh8 21.Nc6+-) 19.Nc6 Bc6 20.Bf8 Bb7 (20...Nf8 21.bc6 Qc7 22.Rc1+-) 21.Bg7 Kg7 22.Rc1 Ne4 23.Bd3 Ndf6 24.Ne5 Nd7 (24...Ne8 25.Rc2+-) 25.Nc6 Qh4 26.Be4 de4 27.Nd8 (27.a5 ba5 28.d5 e5 29.Ne5 Ne5 30.Qe5 Qf6 31.Qe4 Qb2 32.Qd4 Qd4 33.ed4 Bd5+-) 27...Bd5?? (27...Qd8 28.Qc3 Nf6 29.Qc7=) 28.Rc7?? (better 28.Nc6+-) 28...Nf6?? (better 28...Qd8 29.Ra7 Nf6=) 29.Rf7+- Kh6 30.h3 (30.Qa3 Qg4 31.h3 Qd1 32.Kh2 Bc4 33.Qf8 Kg5+-) 30...Nh5 (30...Ng4 31.hg4 Qd8 32.Ra7+-) 31.Nc6 g5 (31...e5 32.Ra7 Qf6 33.Ne5 Qf8+-) 32.Qa3 g4 (32...Qf4 33.Qf8 Ng7 34.Qg7 Kh5 35.Qh7) 33.Qf8 Kg6 (33...Kg5 34.Qg8 Ng7 35.Rg7 Kf5 36.hg4 Qg4 37.Rf7) 34.Qg8 Ng7 35.Qg7 (35.Rg7 Kf5 36.hg4 Qg4 37.Rf7) 35...Kh5 36.Qh7 Kg5 37.Rg7 Kf6 38.Rg6 (38.Qg6) 38...Kf5 39.Ne7 Qe7 40.hg4 1–0. BeepBeepImAJeep (2685) – gr44cz (2285), lichess.org, 2017.

7.Nc3 c6 8.Be2 Nf6 9.Nf3 Nbd7 10.0-0 e5 11.d4 ed4 12.Nd4 Re8 13.bc6 Ne5 (13...bc6 14.Bf3 Qb6 15.Ba3+-) 14.cb7 Bb7 15.f4 (15.Ndb5 d5+-) 15...Nc6 16.Qd2 Rc8 (16...Rb8 17.Rae1+-) 17.Rac1 (better 17.Ndb5!? Re6 18.Rfd1+-) 17...Na5+= The isolani on c4 becomes a target 18.Ncb5 a6 (18...Ne4 19.Qb4 Qb6 20.Bf3=) 19.Nd6+- Qd6 20.Qa5 Re3 21.Bf3 (21.Rcd1 Qe7 22.Qd2 Re8+=) 21...Ne4 (21...Bf3 22.Nf3 (worse 22.gf3 Ne8 23.Qd2 Qf4=+) 22...Rc5 23.Qb4+-) 22.Rcd1+- Qc5 23.Qc5 Rc5?? (better 23...Nc5 24.Bb7 Nb7=) 24.Nc2+- Rb3 25.Bg7 (better 25.Rd8 Bf8 26.Ba3+-) 25...Kg7+= 26.Nd4 (better 26.Rb1 Rb1 27.Rb1+=) 26...Rc3 (26...Rb4 27.Rfe1 Nc3 28.Ne6 fe6 29.Rd7 Kf6 30.Bb7 Rcc4 31.Ba6 Rf4 32.g3=) 27.Rb1?? (27.Rfe1!? Nd6 28.Bb7 Nb7+-) 27...R5c4 (27...R3c4 28.Ne6 fe6 29.Rb7 Kf6 30.Re1=+) 28.Rb7 (better 28.Ne2 Rf3 29.Rf3+=) 28...Rd4-/+ 29.Re1 (29.Be4 Re4 30.f5 g5-/+ (30...Ra4?! 31.f6 Kh6 32.g3=+)) 29...Nd2 (29...Nc5 30.Rc7-/+) 30.Be2 Rf4 (better 30...Ra4 31.Ra7 a5-/+) 31.g3? (31.Rd7 Nb3 32.Ba6 Ra4-/+) 31...Rf6 (better 31...Re4!?-+) 32.Rd1 Nb3 (32...Rc2 33.Rd7 Nf3 34.Bf3 Rf3-/+) 33.Rdd7 (better 33.Rf1!? Nc5 34.Ra7-/+) 33...Nc5-+ 34.Rdc7 Rc1 (worse 34...Na4 35.Bc4 a5 36.Kg2-/+) 35.Kg2 Nb7 (better 35...Rc2 36.Kg1 Re2 37.Rc5 Rff2-+) 36.Rc1=+ Nd6 (better 36...h6!?=+) 37.Ba6+= Ne4 (37...Rf5 38.Rc6 Rd5 39.Kf3+=) 38.Bb7+- Nd6 39.Bc6 Nf5 40.Bf3 (40.Bb5!?+=) 40...Ne3= 41.Kf2 Nf5 (41...Ng4 42.Ke2 Nh2 43.Bb7=) 42.Kg2 (42.Rc6 Nd6 43.Ke3 Nf5 44.Kd3 Nd6+-) 42...Nd4 (better 42...Ne3 43.Kf2 Ng4 44.Ke2 Nh2=) 43.Kf2?? (better 43.Bd5+=) 43...Nf3 (43...Rf3!? 44.Kg2 Ra3 45.Rc4 Ra2 46.Kf1-+) 44.Kg2 Ne5 45.Ra1 (45.Rc5 Ng4 46.Kh3 h5-+) 45...Nd3 46.a5 Nc5 (46...Ra6 47.h3-+) 47.a6 (47.Rb1 Ra6 48.Rb5 Ne4-+) 47...Na6 (47...Ra6 48.Ra6 Na6 49.Kf3-+) 48.Rc1 (48.g4 Nc5-+) 48...Rb6 49.Re1 (49.Kf3 f5-+) 49...Rb2 50.Re2 (50.Kg1-+) 50...Nb4 (better 50...Re2 51.Kf3 Rh2-+) 51.Rb2+- Nd3 52.Re2 Ne5?? (52...h5 53.Re3 Nc5 54.Re5+-) 53.Re3 (better 53.Re5 h6 54.Kf3+-) 53...Nc6 (better 53...Kf6+-) 54.Re2 (54.g4 h6+-) 54...Nd8 (54...Ne5 55.Re5 Kf6+-) 55.Rf2 Ne6 56.h4 h6 57.h5 (57.g4 f6+-) 57...g5 (57...gh5 58.Rf5+=) 58.g4 Nf8 59.Kg3 Nh7 60.Rf5 Nf6 61.Re5 Ne8?? (61...Nd7 62.Rd5 Nb6 63.Rd4+-) 62.Re3 (better 62.Re8 Kf6 63.Rg8+-) 62...Nf6 63.Rf3 Ng8 64.Rf5 (64.Rc3 Nf6 65.Rd3 Kf8+-) 64...Ne7 (64...Nf6 65.Kf3 Ne8+-) 65.Rc5+- Ng8 66.Rc7 Nf6 67.Re7 Nh7 68.Re3 (68.Kf3 Nf8+-) 68...Nf8 (68...Nf6 69.Rd3 Ne4 70.Kf3 Nc5+-) 69.Rf3 Ne6 70.Rf5 Nf8 71.Re5 Nd7 72.Rg5?? (better 72.Rd5 Nf8 73.Kf3+-) 72...Kf6 (72...hg5 73.Kf2-+) 73.Kf3 (better 73.Rg8+-) 73...Kg5-+ 74.Kg3 Nf6 75.Kh3 Ng4 76.Kg3 Nf6 77.Kh3 Nh5 78.Kh2 Nf6 (78...f5 79.Kh3 Kf4 80.Kg2 Ke3 81.Kh3 f4 82.Kg2 f3 83.Kf1 Ng3 84.Kg1 f2 85.Kg2 f1Q 86.Kg3 Qg1 87.Kh3 h5 88.Kh4 Qg4) 79.Kg1 (79.Kg2 h5 80.Kf3-+) 79...h5 80.Kh2 h4 81.Kg1 Ng4 (81...h3 82.Kf2 Ne4 83.Ke3-+) 82.Kh1 f5 83.Kg1 ½–½. BeepBeepImAJeep (2635) – holl01 (2080), lichess.org, 2015.

7.Nc3 e5 8.Be2 Nf6 9.Nf3 c6 10.d4 ed4 11.Nd4 Re8 12.0-0 d5 13.bc6 bc6 (13...Nc6 14.Nd5 Nd5 15.Nc6 bc6 16.Bg7 Ne3 17.Qd8 Rd8 18.Bf6+=) 14.cd5 cd5 15.Rc1 Be6 (15...a6 16.Bf3+-) 16.Ncb5 Na6 (16...Re7 17.Ba3 Rd7 18.Ne6 fe6 19.Qc2+-) 17.Ba3 (17.Nc6 Qd7+-) 17...Ne4+- 18.Bd3 (18.f3 Bh6 19.fe4 Be3 20.Kh1 Bc1 21.Qc1 Qb6+-) 18...Qa5 (18...Qg5 19.Ne6 Re6 20.Be4 Re4 21.Nd6+-) 19.Be4 de4 20.Nd6 (20.Nc6 Qb6 21.Nd6 Rf8+-) 20...Red8 21.Nc6 Qh5? (better 21...Qg5 22.f4! ef3 23.Qf3 Rd7 24.Ne7 Qe7 25.Qa8 Rd8+-) 22.Nd8 Rd8 23.Qh5 gh5 24.Rfd1 (24.Ne4 Rb8+-) 24...Be5 (24...Bb3 25.Rd2 Ba4 26.Rd5+-) 25.Nb5 (better 25.Ne4!? Rd1 26.Rd1 Kg7+-) 25...Rd1 26.Rd1 Bb3 27.Rd8 Kg7 28.Bf8 (28.a5 h4+-) 28...Kg6 (28...Kf6 29.a5+-) 29.Bd6 (29.Na7?! Ba4 30.Rd5 Bc7+-) 29...Bf6 30.Na7?? (30.Ra8!? Ba4 31.Nd4 Bd4 32.ed4 Bb5+-) 30...Ba4?? (better 30...Bd8 31.Nc6 Bf6-+) 31.Ra8+- Bc6?? (31...Kf5+-) 32.Nc6 (32.Nc6 h4 33.Ra6+-) 1–0. BeepBeepImAJeep (2520) – Gifer64 (2220), lichess.org, 2018.

7.Nc3 e5 8.Be2 Nf6 9.Nf3 Nbd7 10.0-0 Nc5 11.d4 ed4 12.Nd4 (worse 12.Qd4 Nfe4 13.Qg7 Kg7 14.Ne4 f6 15.Nc5 dc5-+) 12...Re8 13.Bf3 Bd7 14.Nd5 Nd5 15.Bd5 c6 (15...Be6!?=) 16.bc6+- bc6 17.Bf3 (17.Bc6!? Rb8 18.Bd7 Qd7 19.Bc3+-) 17...Qg5 (better 17...Rb8 18.Ba3 Qc7=) 18.Nc6?? (18.Rb1!? Rac8 19.a5=) 18...Bc6 (18...Bb2 19.Rb1 Bf6 20.Qd6-+) 19.Bg7? (better 19.Bc6 Bb2 20.Rb1=+) 19...Kg7?? (better 19...Bf3 20.Qf3 Kg7-+) 20.Bc6+- (20.Bc6 Qe5 21.Ba8 Ra8 22.Rb1+-) 1–0. RichardSommer (1955) – ProjectMeyhem (1900), lichess.org, 2020.

7.Nf3?? Bb2-+ 8.Ra2 Bg7 9.Be2 Nf6 10.0-0 e5 11.d4 ed4 12.Nd4 c6 (12...a6 13.Nc3-+) 13.Nf3 (13.Bf3 Be6 14.Qd3 d5-+) 13...cb5 (13...a6 14.Nc3-+) 14.ab5 a6 (14...Be6 15.Qd4-+) 15.Nc3 Nbd7 (15...Qe7 16.Qd2-+) 16.h3? (better 16.Qd6 Re8 17.Rd1-+) 16...Nc5 17.g3 (17.Nd4-+) 17...Bh3 18.Re1 ab5 (18...Nfe4!? 19.Ne4 Ne4 20.Qc2-+) 19.Ra8 Qa8 20.Nb5 (20.Qd6 Ng4 21.Nd1 Nb3-+) 20...b6 (20...Rd8!? 21.Nfd4-+) 21.Qd6 Qb8 (21...Ng4 22.Nc7 Qa5 23.Qd5-+) 22.Qd1 (22.Qb8 Rb8 23.Ra1-+) 22...Nfe4 23.Nfd4 (23.Bd3 Ng3! 24.Bc2 Bg4-+) 23...Ng3 (better 23...Nf2 24.Kh2 Nce4-+) 24.fg3 (24.Bf3 Nge4 25.Be4 Ne4 26.Qf3-+) 24...Qg3 25.Kh1 Qg2 0–1. RichardSommer (2135) – josiol (2145), lichess.org, 2020.

7.Bg7 Ng7 8.Nc3=.

5.c4 e6

6.Nc3 c6 7.e3 cb5 8.cb5 (8.ab5 d6=) 8...a6 9.Nf3 ab5 (9...b6 10.Be2=) 10.ab5+= Ra1 11.Qa1 d5 12.Be2 Bd7 (12...Re8 13.d4+=) 13.0-0+- Qe8 (13...Ne4 14.Ne4 Bb2 15.Qb2 de4 16.Ne5+-) 14.d4 (14.Ba3!?+-) 14...Ne4+- 15.Ne4 (better 15.Ba3!? Nc3 16.Qc3 Bb5 17.Qb2 (worse 17.Bf8 Be2 18.Re1 Bf3 19.Bg7 Bg2+=) 17...Be2 18.Qe2+-) 15...de4= 16.Ne5 (16.Nd2 Bb5 17.Bb5 Qb5 18.Ne4 Nc6+=) 16...Bb5 17.Bb5 (17.Nc4 Qc6 18.Rc1 Qa6=) 17...Qb5=+ 18.Rc1 f6 19.Nc4 Nc6 20.Nd6 Rd8?? (better 20...Qd5 21.Nb7 Nd4 22.Bd4 Qb7=+) 21.Nb5+- e5 (21...Kf7 22.Ba3 Bf8 23.Bf8 Rf8 24.Nd6 Kg8 25.Qa2+-) 22.de5 fe5 23.g3 (23.Qa2 Kh8+-) 23...Nb4 (23...Bf6 24.Nc3 Rf8 25.Ne4+-) 24.Rd1 (24.Qa3 Nc6 25.Nd6 Rf8+-) 24...Nd3 25.Be5 (25.Qa2 Kh8 26.Nd6 Rf8 27.Nf7 Rf7 28.Qf7 h6 29.Ra1 h5 30.Ra8 Kh7 31.Rg8 Kh6 32.Qg7 Kg5 33.Qg6) 25...Be5 26.Qe5! Ne5 Exploits the pin 27.Rd8 Kf7 28.Rb8 Nc4 (28...Nd7 29.Rb7 Ke6 30.Kg2+-) 29.Rb7 Ke6 30.Nd4 Kd5 (30...Kf6 31.Rh7 Nd6 32.Rc7+-) 31.Rh7 Nd6 (31...Ne5 32.Kg2+-) 32.Rg7 Nf5 33.Nf5 gf5 34.Rg5 (better 34.h4 f4+-) 34...Ke5 35.h4 Kf6 36.Rh5 f4 37.Rh8 (better 37.gf4 Kf7 38.Rf5 Ke6+-) 37...fe3 38.fe3 Ke5 (38...Kf7+-) 39.Rb8 Kd5 40.Rb4 Kc5 41.Rd4 Kb5 (41...Kc6 42.g4 Kb7 43.g5 Kb6 44.g6 Kb7 45.g7 Kb6 46.g8Q Kc6 47.Qd5 Kc7 48.Qc5 Kb7 49.Rd7 Ka6 50.Ra7) 42.g4 (42.h5 Kb6 43.h6 Kb7 44.h7 Kc8 45.h8Q Kb7 46.Rd7 Kb6 47.Qb8 Kc6 48.Qd6 Kb5 49.Rb7 Kc4 50.Qd4) 42...Kc5 (42...Kb6 43.g5 Kb7 44.g6 Kb6 45.g7 Kb5 46.g8Q Kc6 47.Qd5 Kc7 48.Qc5 Kb7 49.Rd7 Ka6 50.Ra7) 43.g5 Kc6 44.g6 Kc5 (44...Kb7 45.g7 Ka6 46.g8Q Kb6 47.Qb3 Kc6 48.Qc3 Kb6 49.Rb4 Ka6 50.Qa1) 45.g7 Kc6 (45...Kb5 46.g8Q Kc6 47.Qd5 Kc7 48.Qc5 Kb7 49.Rd7 Ka6 50.Ra7) 46.g8Q Kc5 (46...Kb6 47.Qb3 Kc6 48.Qc3 Kb5 49.Rb4 Ka6 50.Qa1) 47.Qg7 (47.Qd5 Kb6 48.Rb4 Kc7 49.Rb7 Kc8 50.Qd7) 47...Kc6 48.Qe5 Kb7 49.Rd6 Kc8 50.Qe7 Kb8 51.Rd8 1–0. BeepBeepImAJeep (2445) – erkamkam1 (1850), lichess.org, 2018.

6.e3 a6 7.Nf3 ab5 8.ab5 c6 9.Nc3 Ra1 10.Qa1 cb5 11.cb5 Qb6 12.Be2 d5 13.0-0 Nbd7 14.h3 Nc5 15.d4 Nce4 16.Ne4 de4 17.Ne5 Bd7 18.Nd7 Nd7 19.Ba3 Rc8 20.Rc1 Rc1 21.Qc1 Qa5 22.Bd6 Bf8 23.Qc8 Nf6 24.Qf8 1–0. axtur777 – SerikbolS, lichess.org, 2019.

6.e3 b6 7.Nf3 Bb7 8.d4 d5 9.Nbd2 Re8 10.Be2 a6 11.0-0 Qd6 12.Ba3 Qd7 13.Bb2 c5 14.Ne5 Qc7 15.f4 cd4 16.ed4 dc4 17.Ndc4 Nd5 18.Qd3 Nb4 19.Qc3 Nd5 20.Qd3 ab5 21.ab5 Ra1 22.Ba1 Nf4 23.Rf4 Rd8 24.Bf3 Bf3 25.Rf3 Nd7 26.Nc6 Ra8 27.Rf1 Nf6 28.N4e5 Nd5 29.Qf3 Rf8 30.Qa3 Be5 31.de5 Kg7 32.Qd6 Qa7 33.Na7 1–0. A_VB – ali20ali, lichess.org, 2018.

6.e3 c6 7.Nc3 d5 8.Nf3 dc4 9.Bc4 a6 10.0-0 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Bb5 Nc6 (13...Bd7 14.Be2+=) 14.d4 (14.Ne4 Ne4 15.Bg7 Re8+-) 14...Bd7+= 15.Be2 Re8 (15...Qa5 16.Qa5 Na5 17.Ra1+=) 16.Nb5+- e5 (better 16...Bf8!?+-) 17.de5 Nd5 (17...Ng4 18.e6! Bb2 19.ef7 (19.Qb2?! Be6 20.h3 Nh6+=) 19...Kf7 20.Qb2+-) 18.Nd6 (18.Rd1 Nb6 19.e6 Bb2 20.ef7 Kf7 21.Nd6 Kg8 22.Qb2 Re7+-) 18...Re6 (18...Rf8 19.Rd1 Be6 20.Nb7+-) 19.Nb7 (19.Bc4 Ne5 20.Be5 Be5 21.Nf7 Kf7 22.Ne5 Re5 23.Qe5 Be6+-) 19...Qc7 20.Nc5 Re7 21.Nd7 Qd7? (21...Rd7 22.Rc1 Qb6 23.Bc4+-) 22.e6 (22.Rd1 Qe6 23.Bc4 Ra7+-) 22...Re6?? (22...Bb2 23.ef7 Rf7 24.Qb2 Qf5+-) 23.Bg7 f6 24.Bh6 Ne5 (24...Ncb4 25.Rd1 Qe8 26.Bc4+-) 25.Rd1 Nf3 (25...Nf7 26.Bc4 Nh6 27.Rd5 Qc8+-) 26.Bf3 Rd6 27.h3 (better 27.Bd5 Rd5 28.Qa2 Kf7 29.Rd5 Qd5 30.Qd5 Ke7+-) 27...g5 (27...Nc7 28.Qf6! Rf6 29.Rd7 g5 30.Bg5 Rf5+-) 28.Rd5 (28.Bd5 Rd5 29.Rd5 Qd5 30.Qf6 Qd1 31.Kh2 Qd6 32.Qd6 Kf7 33.Bg5 Kg7 34.Qe7 Kg8 35.Bf6 h6 36.Qg7) 28...Rd5 29.Bd5 Qd5 30.Qf6 Qf7 (30...Qd1 31.Kh2 Qd6 32.Qd6 Kf7 33.Qd7 Kf6 34.g4 Ke5 35.Bg7 Ke4 36.Qf5) 31.Qd8 Qf8 (31...Qe8 32.Qe8) 32.Qf8 1–0. BeepBeepImAJeep (2590) – TheBusDriver404 (1835), lichess.org, 2017.

6.e3 c6 7.Nf3 cb5 8.cb5 d5 9.Be2 b6 10.0-0 Bb7 11.d4 Nbd7 12.Nbd2 Rc8 13.Qb3 Re8 14.Rac1 Nh5 (14...Rc1 15.Rc1 Ne4 16.Qc2+=) 15.Ba3 Qf6 (15...h6 16.Rc8 Qc8 17.Qd3+-) 16.Bd6 (16.g4 Nf4 17.ef4 Qf4+-) 16...Bh6 17.Ne5 Ne5 18.Be5 (18.de5 Qh8+-) 18...Qe7 19.Bh5 gh5 20.Bg3 (20.Rc8 Rc8 21.Qd1 Qh4+-) 20...Kh8 (20...h4 21.Be5+=) 21.f4 (21.Nf3 Rg8+-) 21...Rg8 (21...h4!? 22.Bf2 h3=) 22.Nf3 Qf6 (22...a6 23.Rc8 Rc8 24.Bh4+-) 23.Rc8 (23.f5 Qe7+-) 23...Bc8 (23...Rc8!? 24.f5 Kg8 (24...Qf5?? 25.Ne5 Qf1 26.Kf1+-) 25.fe6 Qe6+-) 24.Rc1 Qg6? (24...Qe7 25.Rc3 f6 26.Qc2+-) 25.Qc2 (better 25.Ne5!? Qf5 26.Rc7 Rf8+-) 25...f6 26.Nh4 (26.Qg6 hg6 27.Rc7 a6+-) 26...Qg4 (26...Qc2 27.Rc2 Bb7+-) 27.Nf3 (better 27.Qc7+-) 27...f5?? (27...Qg6 28.Qg6 hg6+-) 28.Ne5+- Qg7 29.Qc7 (better 29.Qc8 Rc8 30.Rc8 Qf8 31.Rf8 Bf8 32.Bh4+-) 29...h4 (29...Qc7 30.Rc7 Rf8 31.Nf7 Kg7 32.Nd6 Bd7 33.Rd7 Kg6 34.Ra7+-) 30.Nf7 Qf7 31.Qf7 a6 (31...hg3 32.Qa7 gh2 33.Kh2+-) 32.Qg8! Kg8 Decoy to g8 33.Rc8 (33.Rc8 Bf8 34.ba6 hg3 35.a7 Kg7 36.Rc7 Kf6 37.a8Q Be7 38.Qe8 gh2 39.Kh2 Kg7 40.Qe7 Kg6 41.Qg5) 1–0. BeepBeepImAJeep (2595) – makeareason (2115), lichess.org, 2015.

6.e3 d6 7.Nc3 Nbd7 (7...e5 8.e4=) 8.Nf3 e5 9.d4 e4 (9...ed4!? 10.Nd4 Nc5=) 10.Nd2+= Re8 11.Be2 Qe7 (11...c5 12.0-0+=) 12.Qc2 (12.g4!? Nf8 13.g5+-) 12...Nf8 13.Rc1 h5 (13...c5 14.dc5 dc5 15.0-0+=) 14.Nd5 White gets the initiative 14...Nd5 15.cd5 Qg5 16.0-0 (better 16.Bf1 Re7 17.Ne4 Qd5 18.f3+=) 16...Bh3-/+ Threatening mate... how? 17.g3 Bf1 18.Bf1 f5 (better 18...Qd5!? 19.Qc7 Ne6-/+) 19.Qc7+= Rac8 (19...Qe7 20.Ba3 Rad8 21.Qa5+=) 20.Qc8 (20.Qb7 Rc1 21.Bc1 Qe7+-) 20...Rc8+= 21.Rc8 Qe7 22.Ba3 Kh7 (better 22...Qd7!? 23.Ra8 b6+-) 23.Nc4+- Nd7? (23...Qd7 24.Nd6 b6+-) 24.Bd6 (24.Nd6?! b6 25.Rc7 Qd8 26.Ra7 Nf6+-) 24...Qf7 25.Rc7 Qd5 26.Rd7 a6 (26...a5 27.Nb6 Qe6 28.Bc4 Qd7 29.Nd7+-) 27.ba6 (27.Nb6!? Qg8 28.Be5 ab5 29.Bb5 h4+-) 27...ba6 28.Rc7 (28.Ra7 Kh8+-) 28...Kh6 29.Bf4 (29.h4!? Qg8+-) 29...g5 30.Bg5! Kg5 A deflection (30...Kg6 31.Ra7 Kg5 32.Rg7 Kf6 33.Ra7+-) 31.Rg7 Kf6 32.Rc7 (32.Ra7 Qc6 33.Ne5 Qc1+-) 32...Kg5 (32...Qg8 33.Ne5 Qd8 34.Ra7+-) 33.Ne5 Kf6 (33...Kh6 34.Rc6 Kh7 35.Ba6+-) 34.Rc6 (better 34.Bc4 Qa8+-) 34...Kg7 35.Bc4 Qd8 36.Rg6 Kh7 37.Bg8 (better 37.Be6 Qf8+-) 37...Kh8 (37...Qg8 38.Rg8 Kg8+-) 38.Nf7 1–0. BeepBeepImAJeep (2490) – ChermanTrawz (2695), lichess.org, 2019.

6.e4 a6 7.Nf3 (7.e5 Ne8=) 7...ab5 (7...Ne4 8.Bg7 Kg7 9.d3-/+) 8.ab5 (better 8.e5 Ne8 9.ab5 Ra1 10.Ba1=) 8...c6?? (better 8...Ra1 9.Ba1 Ne4 10.Bg7 Kg7=+) 9.Ra8+- cb5 (9...Qc7 10.Be5 d6 11.b6+-) 10.Rb8 (10.e5 Ng4 11.h3 Ne5 12.Be5 Be5 13.Ne5 Qc7+-) 10...Qc7 11.Ra8 d5 (11...bc4 12.Ba3 d6 13.e5+-) 12.cb5 (better 12.e5!? Nd7 13.cb5 Rd8+-) 12...Bd7 (12...Ne4 13.Bg7 Kg7 14.Be2+-) 13.Rf8 (13.Rf8 Kf8 14.e5+-) 1–0. RichardSommer (2025) – musaev (1905), lichess.org, 2020.

6.e4 Ne4 7.Bg7 Kg7 8.d4-/+.

6.e3 d5

7.Nc3 dc4 8.Bc4 c6 9.Nf3 cb5 10.ab5 b6 11.Be2 (11.d4 Bb7+-) 11...Bb7 12.0-0 Nbd7 (12...a6 13.d4+=) 13.d4 Rc8 (13...Nd5 14.Nd5 Bd5 15.Qc2+-) 14.Rc1 (14.Ra7 Rc7+-) 14...Qe7 (14...Re8 15.Qa4+-) 15.Qb3 (15.Qa4 Qd8+-) 15...Nd5 (better 15...Rfd8+-) 16.Ba3+- Qf6 17.Ne4 Qd8 18.Rc8 Qc8 19.Nd6 (19.Rc1 Qd8 20.Bf8 Bf8+-) 19...Qb8 (19...Qc3 20.Qa2 Rb8+-) 20.Nb7 Qb7 21.Bf8 Bf8 22.Ra1 N7f6 23.Bf1 Ne4 (23...Bd6 24.Qa4+-) 24.Qa4 g5 (24...Bd6 25.Qa7 Qc8 26.Bd3+-) 25.Qa7 Qc8 (25...Qa7 26.Ra7 h6 27.Ne5+-) 26.Qa8 (better 26.Bd3 Nd6 27.Ng5+-) 26...Qd7 (26...Qc2 27.Qa2 Qa2 28.Ra2 h6+-) 27.Ne5 (better 27.Ra7!? Qd6 28.Ne5 Qb4 29.Nf7 Ne7 30.Nh6 Kg7+-) 27...Qb5 (27...Qe7 28.Ra7 Qf6 29.Rf7 Qf7 30.Nf7 Kf7+-) 28.Bb5 (28.Bb5 Kg7 29.Nf7+-) 1–0. BeepBeepImAJeep (2615) – makeareason (2115), lichess.org, 2015.

7.Nc3 dc4 8.Bc4 Nbd7 9.Nf3 Ne4 (9...a6 10.d4=) 10.d4+= Nc3 11.Bc3 Nf6 12.0-0 Ne4 13.Bb4 Re8 14.Qc2 Nd6 15.Bd3 Bd7 16.Ne5 Be5 (16...Rc8!?+-) 17.de5+- Nf5 18.Rfd1 Qc8 (18...Ne7 19.Bc5+-) 19.Be4 (19.Rac1 c6+-) 19...c6 (19...a5 20.Ba3 Rd8 21.Rd2+-) 20.Rac1 (20.Qd3 Rd8 21.Bf5 ef5+-) 20...cb5 (20...Qc7+-) 21.Qc8?? (better 21.Qb2 Qd8 22.ab5+-) 21...Rac8+= 22.Rc8 Rc8 23.Bb7 (23.g4 Rc4 24.gf5 Re4+-) 23...Rc7 (better 23...Rc4!? 24.Be1 Rc7+=) 24.Ba6+- ba4 (better 24...Rc4 25.Rb1 Bc6 26.Bb5 Bb5 27.ab5 h6+-) 25.Ba5?? (better 25.e4 h6 26.ef5 ef5 27.Kf1+-) 25...Rc5= 26.Bb4 (worse 26.Rd7 Ra5 27.Bc4 a3-+ (27...Re5?! 28.Ra7 Nd6 29.Ra4=)) 26...Rc7 (26...Rd5 27.Rb1 Ng7 28.f4=) 27.Ba5 (27.e4 Nh4 28.Bb5+-) 27...Rc5 28.Bd8 (28.Bb4 Rd5 29.Rb1 Ng7= (worse 29...Re5 30.Bc3 Rc5 31.Rb8 Bc8 32.Rc8 Rc8 33.Bc8+-)) 28...Bb5 (28...a3!?=+) 29.Bf6= Threatening mate: Rd8 29...Ba6?? (better 29...Be8=) 30.g4 (30.Rd8) 30...Rd5 (30...Rc8 31.gf5 gf5 32.h3-/+) 31.Rb1 (31.Rd5 ed5 32.gf5 a3-/+) 31...Bb5 (31...Rb5 32.Rd1 Rb8 33.gf5 ef5 34.Ra1-+) 32.gf5 (32.e4 Rc5 33.ef5 gf5-/+) 32...gf5 33.Rc1 The mate threat is Rc8 33...h5 (better 33...h6!?-/+) 34.Rc8= Kh7 35.Ra8?? (35.Rh8 Kg6=) 35...Bc6 (better 35...Rd1 36.Kg2 Bc6 37.Kg3 Ba8-+) 36.Ra7?? (better 36.Rh8 Kg6 37.Rg8 Kh6 38.Rh8 Kg6 39.Rg8 Kh6 40.Rh8 Kg6=) 36…Rd1 0–1. BeepBeepImAJeep (2790) – ataberktr26 (2480), lichess.org, 2020.

7.Nc3 c5 8.cd5 (8.Nf3 Re8=) 8...ed5=+ 9.d4 cd4 10.Qd4 a6 (10...Ng4!? 11.Qb4 d4 12.ed4 Bd4=+) 11.Qd2= ab5 12.Bb5 (12.Nb5 Ne4 13.Qc2 Qa5 14.Kd1 Bg4 15.f3 Rc8-+) 12...Nc6 13.Nge2 Bf5 14.0-0 Na5 15.Nd4 Ne4 (15...Nc4 16.Qe2 Nb2 17.Qb2= (17.Nf5? gf5 18.Rab1 Rc8-+)) 16.Ne4+= Be4 (16...de4 17.Ba3 Bd4 18.ed4+=) 17.Bc3 (better 17.f3!? Bf5 18.Nf5 Bb2 19.Qb2 gf5 20.Rad1+-) 17...Nc4= 18.Bc4 (18.Qe2 Qg5 19.f4 Qe7=) 18...dc4 19.Nb5?? (better 19.a5=) 19...Qd2-+ 20.Bd2 Ba1 21.Ra1 Rfd8 (better 21...Bc6!? 22.Nd4 Ba4 23.Rc1-+) 22.Nd4 Rdc8 (22...b6 23.Bc3-+) 23.Bc3 Ra6 24.f3 Bd3 Black fights for the Initiative 25.a5 Rca8 (25...f5 26.Re1-+) 26.Rc1 (26.Nb5!? Rd8 27.e4-+) 26...Ra5 27.Ba5 Ra5 28.e4 b5 29.Kf2 (29.Nc6 Ra3-+) 29...b4 30.Nc6 (30.Ke3 Ra3 31.Nb5 Ra6-+) 30...Ra2 31.Ke3 (31.Kg3 b3 32.Nb4-+) 31...b3 32.Nb4 (32.Ne5 Re2 33.Kd4 b2-+) 32...Re2 (worse 32...Rg2 33.Nd3 cd3 34.Kd3-+) 33.Kd4 b2 (worse 33...Rg2 34.Nd3 cd3 35.Kd3-+) 34.Nd3 cd3 35.Rb1 (35.Rc8 Kg7 36.Kd3 b1Q 37.Ke2 Qa2 38.Ke3 Qa7 39.Kf4 Qf2-+) 35...d2 36.Kc3 Re1! 37.Kc2 (37.Re1 de1Q) 37...Rb1 38.Kb1 d1Q 39.Kb2 Qe2 40.Kc3 Qg2 41.Kd4 Qf3 42.h4 Qh3 43.h5 Qh5 44.Ke3 f6 45.Kf4 Qe5 46.Ke3 g5 47.Kf3 h5 48.Kf2 Kf7 49.Kf3 Ke6 50.Kf2 (50.Ke3 g4 51.Ke2 Qb2 52.Kd3 g3 53.Kc4 g2 54.Kd3 g1Q 55.e5 Qgd4) 50...f5 (50...Qe4 51.Kg3 Qe2 52.Kh3 f5 53.Kg3 f4 54.Kh3 f3 55.Kg3 Qg2) 51.ef5 Qf5 52.Kg2 (52.Ke2 Qc2 53.Ke3 Ke5 54.Kf3 g4 55.Kg3 h4 56.Kg4 Qg2 57.Kh4 Kf5 58.Kh5 Qg5) 52...Qf4 (52...h4 53.Kh2 Qf3 54.Kg1 h3 55.Kh2 Qg2) 53.Kg1 Kf5 (53...Qf3 54.Kh2 h4 55.Kg1 h3 56.Kh2 Qg2) 54.Kg2 g4 55.Kg1 h4 (55...g3 56.Kg2 Qf2 57.Kh1 Qf1) 56.Kh1 (56.Kg2 h3 57.Kg1 g3 58.Kh1 Qc1) 56...g3 (56...Qf1 57.Kh2 g3) 57.Kg1 (57.Kg2 Qf2 58.Kh1 Qf1) 57...Qf2 58.Kh1 Qf1 0–1. BeepBeepImAJeep (2680) – AstanehChess (2605), lichess.org, 2016.

7.cd5 Nd5 8.Bg7 Kg7 9.Nf3 Nd7 10.Be2 N7f6 11.0-0 Bd7 12.d3 (12.d4 Rc8+=) 12...c6 (12...a6 13.ba6 Ra6 14.d4=) 13.e4 (13.d4 Qa5 14.Ra3 Rac8+=) 13...Nf4= 14.Qd2 Ne2 15.Qe2 cb5 16.ab5 Bb5 17.Nc3?? (17.Rd1 Bc6=+) 17...Bc6?? (better 17...Bd3 18.Qe3 Bf1 19.Rf1 Rc8-+) 18.Rfd1 Qe7 19.d4 Rfe8 (19...b5 20.e5 Nh5 21.Qe3=+) 20.Ne5= Rec8 21.Nc6 Rc6 22.Qd3 Rac8 23.e5? (better 23.Ne2!? a6 24.Qf3=+) 23...Rc3-+ 24.Qd2? (better 24.ef6 Qf6 25.Qf1-+) 24...Nd5 25.Ra7 h6 26.Rb1 (26.Qe1 Qb4 27.h3 Rd3-+) 26...R8c7 (26...Qb4 27.Raa1 Rc1 28.Qc1 Rc1 29.Rc1 Qd4 30.Re1-+) 27.h3 Qh4 (better 27...Rc2 28.Qd1 Qh4-+) 28.Rbb7 (28.Rab7 Rc2 29.Qe1 Rb7 30.Rb7 Qd4-+) 28...Rc1 (better 28...Rc2 29.Qc2 Rc2 30.Rf7 Kg8 31.Rad7-+) 29.Kh2 Rb7 (29...R1c2 30.g3 Qe4 31.Rc7 Rd2 32.Rf7 Kg8 33.Rg7 Kf8 34.Raf7 Ke8 35.g4-+) 30.Rb7 Qf4 (30...Rc4!? 31.g3 Qe4 32.Rb2-+) 31.Qf4 Nf4 32.Rb4 Nd5 33.Ra4 Rc2 34.f3 (34.Kg3-+) 34...Ne3 35.Kg3 (35.h4-+) 35...Rg2 36.Kf4 Nd5 37.Ke4 Rg3 (better 37...Nc3 38.Kd3 Na4-+) 38.h4 Rh3 39.Kd3 Rf3 40.Kc4 (40.Kd2 Rh3-+) 40...Rf4 (better 40...Nb6 41.Kb4 Na4 42.Ka4-+) 41.Kc5 Rh4 42.Kd6 (42.Ra7 g5-+) 42...g5 (42...Nc3 43.Rb4-+) 43.Rc4 (43.Kc5 g4 44.Ra3 h5-+) 43...g4 44.Kd7 (44.Rc1-+) 44...Nb6 45.Kd6 Nc4 46.Kc5 Ne3 47.d5 Black now must not overlook the idea g3 47...Nd5 48.Kd6 (48.Kc4 g3 49.Kb3 g2 50.Kb2 g1Q 51.Kc2 Qf2 52.Kb3 Rb4 53.Ka3 Qb2) 48...g3 49.Kd7 g2 50.Kc6 g1Q 51.Kd6 (51.Kd7 Qa7 52.Kc6 Rc4 53.Kd6 Qc7) 51...Qc1 52.Kd7 Qc7 53.Ke8 Qe7 (53...Qc8) 0-1. brucepeng (2000) - eddieffm (2000), lichess.org, 2021.

7.Nf3 dc4 8.Bc4 Nd5 9.d4 (9.Bg7 Kg7 10.0-0 a6+=) 9...c6 10.0-0 cb5 11.ab5 Nd7 12.Nbd2 N7b6 13.Be2 a6 14.Ne4 Bd7 (14...ab5!? 15.Ra8 Na8+=) 15.ba6+- ba6 16.Ba3 (16.Ra6 Na4 17.Ba3 Nac3+-) 16...Re8 (16...f5!? 17.Nd6 Nc3+=) 17.Nd6+- Rf8 (17...Nc3 18.Qc2 Ne2 19.Qe2 Bb5 20.Nb5 ab5 21.Qb5 Nd5+-) 18.Nb7+= Qc7 19.Bf8 Bf8 (better 19...Nc3!? 20.Bd6 Qb7=) 20.Nc5+- Bc5 (20...Nc3 21.Qc2 (worse 21.Na6 Ra6 22.Qd2 Ra4=+) 21...Ne2 22.Qe2+-) 21.dc5 Qc5 (21...Na4 22.Qd4 (22.Ra4?! Nc3 23.Ra6 Ra6=) 22...Ndc3 23.Bc4+-) 22.Ra6 Ra6 23.Ba6 Nb4 24.Be2 Bc6 (24...N4d5 25.Qd2+-) 25.Qd4 (25.Qd2 Bf3 26.Bf3 Nc4 27.Qd8 Kg7+-) 25...Qd4 26.Nd4 Bd5?? (better 26...Be4+-) 27.Rb1 Nc4 (27...e5 28.Rb4 ed4 29.Rb6 de3 30.fe3+-) 28.Bc4 Bc4 29.Rb4 Bd5 30.Rb8 (30.Nb5 Kg7+-) 30...Kg7 31.f3 e5 32.e4 Bc4 (32...Be4 33.fe4 ed4 34.e5+-) 33.Nc6 (33.Rb4 Ba6 34.Nb3 Bc8+-) 33...f6 (33...Kf6 34.Rb7+-) 34.Rb7 Kh6 35.Ne7 Ba6 (35...Bf7+-) 36.Ng8 Kg5 37.Rh7 Bc4 38.Kf2 (38.g3 Bg8 39.h4) 38...Bg8 39.h4 Kf4 40.g3 1–0. BeepBeepImAJeep (2455) – victor1979 (2255), lichess.org, 2018.

7.Nf3 c5 8.Be2 Nbd7 9.0-0 Re8 10.cd5 (10.d4 dc4 11.dc5 Nc5 12.Bc4 Qe7+=) 10...ed5= 11.d4 c4 12.Nc3 Bf8 13.h3 Bd6 14.Qc1 Nf8 15.Ba3 Ne6 16.Bd6 Qd6 17.a5 Ng7 (17...Nc7 18.Ne5=) 18.Rb1 (18.Ne5 a6+=) 18...Bf5= 19.Ne5 (better 19.Rb2=) 19...Bb1-/+ 20.Qb1 Nd7 (20...Ne6 21.Qb2-/+) 21.f4?? (21.Nd7!? Qd7 22.Bf3=) 21...f6 (better 21...Rad8!?-+) 22.Nd7=+ Qd7 23.Bf3 Re3 24.Nd5 Re6 25.a6? (better 25.Qb4=) 25...ba6-+ 26.ba6 Rd8 27.Qb7 (27.Qc2 Rc8 28.Rb1-+) 27...Rd6 (27...Nf5 28.Rd1-+) 28.Nc3? (better 28.Ne7!? Kf8 29.Nc6 Rc6 30.Bc6 Qd4 31.Kh2-/+) 28...Rd4 29.Re1 Nf5 (29...Rd3 30.Nb5-+) 30.Bc6 (30.Nd5 Qg7 (30...Rd5?! 31.Bd5 Kf8 32.Qd7 Rd7 33.Bc4=) 31.Ne7 Ne7 32.Re7 Qh6-+) 30...Qd6 31.Nb5 Qc5 (31...Qb4 32.Rf1 Rd2 33.Qa7 c3-+) 32.Nd4-/+ Nd4 (32...Qd4 33.Kh1 Qf2-+ (33...Qf4?! 34.Qa7 Ng3 35.Kg1=+)) 33.Kh2?? (33.Bd5 Ne6 34.Kf1 Qd5 35.Qd5 Rd5 36.Re6-/+) 33...Nc6-+ (worse 33...Qc6 34.Qa7 Nf5 35.Rc1-+) 34.Re6 (34.Qc7 Qd5-+) 34...Qf5 35.Qc6 (35.Re1 Qf4 36.Kh1-+) 35...Qf4 36.g3 Rd2 37.Qg2 Rg2 38.Kg2 Qd2 39.Kf3 (39.Kg1 c3 40.Re8 Kf7-+) 39...c3 (39...Qd5 40.Ke3 Qe6 41.Kd4-+) 40.Re4 Qd3 (40...c2 41.Re8 Kf7 42.Rc8 Qd5 43.Ke2 Qe6 44.Kd2 Qc8 45.Kc1 Qc4 46.h4 Qd3 47.h5 Qd1 48.Kb2 c1Q 49.Ka2 Qd5) 41.Re3 Qe3 (better 41...Qf1 42.Ke4 Qg2 43.Kd4 Qf2 44.Kc3 Qe3 45.Kc2 Qg3-+) 42.Ke3 c2 (42...h5 43.Kd3 Kf7 44.Kc3-+) 43.Kd2 c1Q (43...Kf7 44.Kc2 Ke6 45.Kd3-+) 44.Kc1 Kf7 45.Kd2 Ke6 46.g4 Kd6 47.g5 (47.Kd3-+) 47...Kc6 (47...fg5 48.Ke2 h5-+) 48.gf6 Kd7 49.f7 (49.Kd3 Ke6-+) 49...Ke7 50.Ke3 Kf8?? (50...Kf7 51.Kd4 Ke6 52.Ke4-+) 51.Kf4? (better 51.Kd4=) 51...Kf7-+ 52.Kg5 (52.Ke5 h5-+) 52...Kg7 53.h4 h6 54.Kg4 g5?? (better 54...Kf7 55.Kf3 Kf6-+) 55.h5?? (55.h5 Kf6 56.Kg3-+; better 55.hg5 hg5 56.Kg5=). BeepBeepImAJeep (2780) – dolar9, lichess.org, 2019.

7.Nf3 c6 8.Be2 cb5 9.cb5 b6 10.0-0 Bb7 11.d4 Nbd7 12.Nc3 Rc8 13.Rc1 Ne8? (13...Ne4 14.Ne4 Rc1 15.Qc1 de4 16.Nd2+=) 14.Qb3 (better 14.Ba3!?+-) 14...Nd6 15.Ba3 Nf6 16.Ne5 Re8 17.Rc2 Nfe4 18.Rfc1 Nc3 19.Rc3 Rc3 20.Rc3 (20.Qc3 f6 21.Nc6 Bc6 22.Qc6 Bf8+-) 20...Ne4+= 21.Rc2 Qf6 (21...Qh4 22.g3 Qg5 23.Rc7 Be5 24.de5 Qe5 25.Rb7 Qa1 26.Bd1+-) 22.Bf3 (22.f3 Nc5 23.Qc3 A) 23...Na4? 24.Qc7 Nc5 25.Bc5 (25.dc5?! Qe5 26.Qe5 Be5+=) 25...bc5 26.Qb7+-; B) 23...h6+-) 22...Qd8 23.Nc6 Bc6 24.Rc6 (24.bc6!? Qc7 25.Be4 de4 26.Qb5+=) 24...Nd2= 25.Qd1 Nf3 26.Qf3 Qf6 (26...e5!? 27.de5 Be5=) 27.Qf6+= Bf6 28.Rc7 e5 (28...Ra8 29.Bd6+=) 29.de5+- Be5 30.Ra7 d4 31.ed4 (31.h3 de3 32.fe3 Bc3+-) 31...Bd4?? (31...Bd6! 32.g4 Ba3=+) 32.Re7 (32.Kf1 Kg7+-) 32...Rc8 (32...Ra8 33.Kf1 Ra4 34.Re8 Kg7 35.Re4 Ra3 36.Rd4=) 33.Re1 (better 33.Re4 Rd8 34.Be7+-) 33...Bc5?? (better 33...Rc2 34.Re8 Kg7=) 34.Rc1+- Re8? (34...Ra8 35.Bc5 bc5+-) 35.Bc5 bc5 36.b6 (36.a5 Ra8 37.a6 Kg7+-) 36...Ra8 37.b7 (37.Rc5?! Ra4 38.Kf1 Rb4+-) 37...Rb8 38.Rb1 c4 39.a5 c3 40.a6 c2 Threatening mate: cxb1Q 41.Rc1 Rb7 42.ab7 (42.ab7 Kg7 43.b8Q f6 44.Rc2 Kh6 45.Qf4 Kg7 46.Rc7 Kg8 47.Qf6 h6 48.Qd8) 1–0. BeepBeepImAJeep (2510) – Hampusholm (1800), lichess.org, 2017.

7.Nf3 c6 8.Be2 cb5 9.cb5 Nbd7 10.0-0 b6 11.d4 Bb7 12.Nbd2 Rc8 13.Rc1 Re8 14.Qb3 Rc1 15.Rc1 Ne4 16.Ne4 de4 17.Nd2 e5 18.d5 (18.Bc4 Re7 19.Ba3 ed4 20.Be7 Qe7 21.Bf7 Qf7 22.Qf7 Kf7 23.Rc7+-) 18...Nc5=+ 19.Qc2 Qd7 (19...Qd5!? 20.Bc4 Qd7-/+) 20.Ne4 Ne4 (20...Qd5 21.Bf3 Ne4=+) 21.Qe4+= Bd5 22.Qb1 (22.Rd1!? Be4 23.Rd7+-) 22...Qb7= 23.Bf1 Rd8 24.Rd1 Rd7 (24...Rc8 25.Qd3 Be6 26.Qd6=) 25.Qa1 Qa8? (better 25...f6!?+=) 26.Be5+- Be5 27.Qe5 Be6 (27...Qd8 28.Be2+-) 28.Rd7+- Bd7 29.h3 Qb7 30.Bc4 Qc7?? (better 30...Qc8 31.Bd5 Be6+-) 31.Qc7 (31.Qc7 Be6 32.Be6 fe6 33.a5 ba5 34.Qa7 h6 35.b6 e5 36.b7 Kf7 37.b8Q Ke6 38.Qbb6 Kf5 39.Qd7 Ke4 40.Qg6) 1–0. BeepBeepImAJeep (2630) – NMelinom (1650), lichess.org, 2016.

7.Nf3 d4 8.Bd4+- c6 (8...Qe7 9.Bb2 Rd8 10.Ba3+-) 9.Be2 cb5 (9...a6 10.0-0+-) 10.cb5 (10.ab5 a6+-) 10...a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 Nbd7 14.Nc3 Nc5 (14...Nb6 15.Qc2+-) 15.d4+- Nce4 16.Ne4 Ne4 17.Bb2 Qd5 18.Nd2 Nd2 19.Qd2 b6 20.Rc1 Bb7 Threatening mate: Qxg2 21.Bf3 Qd7 22.Bc6 Bc6 23.bc6 Qc7 24.d5 (24.e4 Rd8+-) 24...ed5 (24...Bb2!? 25.Qb2 ed5+-) 25.Bg7+- Kg7 26.Qd5 Rd8 27.Qb5 Rd6?? (27...Kg8 28.Qa4+-) 28.g3 (28.Qe5 Kh6 29.Qd6 Qd6+-) 28...h5?? (28...Rd8 29.Qc4+-) 29.h4 (29.Qe5 Kh7 30.Qd6 Qd6+-) 29...Kh6?? (better 29...f6+-) 30.Qe5 (better 30.Qg5 Kh7 31.Qf4+-) 30...Rd1!!-+ 31.Rd1 Do you see the mate threat? 31...Qe5 32.Rc1 (32.Rd7 Qa1 33.Kg2 Qf6-+) 32...Qc7 (better 32...Qb2!? 33.Rc4 Qb1 34.Kg2-+) 33.Kf1 b5 34.Ke2 b4 35.Kd3 b3 36.Rb1 (36.Ke2-+) 36...Qc6 37.Rb3 Qd5 38.Kc3 Qe5 (38...Qa5 39.Kc4 Qa6 40.Kc5-+) 39.Kb4 (39.Kd2 Qa1 40.Rd3 Qf1-+) 39...Qe7 40.Kc4 Qe6 41.Kc3 Qe5 (41...Qf6 42.Kb4 Qf2 43.e4-+) 42.Kc2?? (42.Kb4 Qd6 43.Kc4 Qa6 44.Kb4-+) 42...Qe4 (better 42...Qf5 43.e4 Qf2 44.Kd1 Qf1 45.Kd2 Qg2 46.Kd1 Qe4 47.Kd2-+) 43.Kd2 Qd5 (better 43...Qf5 44.Ke1 Qa5 45.Kf1 Qd2-+) 44.Rd3?? (44.Rd3 Qa2 45.Ke1-+; 44.Kc3 Qa5 45.Kc4 Qa6 46.Kb4-+). BeepBeepImAJeep (2695) – m10x1 (1675), lichess.org, 2015.

7.Nf3 e5 8.Be5+= Nbd7 9.Bb2 Re8 10.cd5 Nd5 11.Bg7 Kg7 12.Be2 N7f6 13.0-0 Bg4 14.d4 Qd7 (14...Rc8 15.Ne5 Be2 16.Qe2+-) 15.Nbd2 (15.Ne5 Be2 16.Qe2 Qf5+-) 15...Rad8 (15...Nc3 16.Qe1+-) 16.Nc4 (16.Ne5 Be2 17.Qe2 Qe6+-) 16...Nh5 (16...Nc3!? 17.Qc2 Ne2 18.Qe2 Qd5+-) 17.Nce5+- Qe6 18.Ng4 Qg4 19.Ne5 Qe6 (19...Qg5 20.Bh5 gh5 21.Qb3+-) 20.Bg4 f5 (20...Qe7 21.Bh5 f6 22.Nd3 gh5 23.Qh5+-) 21.Bh5 gh5 22.Qh5 Qg6 (22...Rd6+-) 23.Ng6 hg6 24.Qg5 (better 24.Qf3+-) 24...Re4 (24...Nc3 25.f3+-) 25.Rac1 (better 25.Qd8 c6+-) 25...Rh8 26.Rc5 Rh5 (26...Rg4 27.Qg4! fg4 28.Rd5+-) 27.Qh5 (better 27.Qd8 c6 28.bc6 bc6+-) 27...gh5 28.Rd5 Re6 (28...Kf6 29.Rc1 Re7 30.Rdc5+-) 29.Rd7 Kf6 30.Rc7 b6 (30...Rb6 31.Rb1 a5 32.Rbc1+-) 31.Rc6 (better 31.Ra7 f4+-) 31...f4 (31...Ke7 32.Rfc1+-) 32.Rfc1 (better 32.d5!? Rd6 33.Rd6 Ke5+-) 32...fe3 (32...Ke7 33.Rc7 Kf6 34.R1c6 fe3 35.fe3+-) 33.fe3 (better 33.d5 Rd6 34.Rd6 Ke5+-) 33...Kf5 34.Rf1 Ke4 35.Re6 Kd3 36.Rc6 (36.Rc6 Ke4 37.Kf2 a5 38.Ke2 h4 39.Rd6 h3 40.Rf4) 1–0. BeepBeepImAJeep (2590) – Ziwaawa (1780), lichess.org, 2016.

5.c4 Re8

6.e3 b6 7.Nf3 Bb7 8.Be2 d6 9.0-0 Nbd7 (9...a6 10.d4=) 10.d4 e5 11.de5 (11.Nbd2 a6=) 11...Ne5 (11...de5 12.a5=) 12.Ne5 de5 13.Nc3 e4 14.a5 Qe7 15.a6 Bc8 16.Ba3 (16.Qd4 Be6 17.Ne4 Nh5+-) 16...Qd7 (16...Qe5 17.Qc2=) 17.Rc1 Qd1 18.Rfd1 Be6 (18...c5 19.Nd5 Nd5 20.cd5+= (worse 20.Rd5 Be6=)) 19.Na2 (19.Kf1 Bf5+-) 19...Rad8 20.Nb4 Bd7 (20...Bf8 21.Bb2 Bb4 22.Bf6 Rd1 23.Rd1+=) 21.Bb2+- Nh5 (21...h5 22.Rc2 Bg4 23.Rd8 Rd8 24.Nc6+-) 22.Bg7+- Ng7 (22...Kg7 23.Bh5 gh5 24.Rd5+-) 23.Nd5 Rc8?? (23...Kh8+-) 24.Nf6 Kf8 25.Nd7 (25.Rd7 Ne6 26.Bg4 Nc5 27.Ne8 Nd7 28.Bd7 Re8 29.Be8 Ke8+-) 25...Kg8 (25...Ke7 26.Ne5 Kf6 27.Nc6+-) 26.Nf6 Kf8 27.Ne8 Ke8 (27...Ne8 28.c5 bc5 29.Rc5+-) 28.Rd4 c6 (28...f5 29.Rcd1 h6 30.Rd7+-) 29.Re4 Kf8 30.Rd1 cb5 (30...Ne6 31.Bg4 cb5 32.cb5+-) 31.cb5 (better 31.Rd7 Ne8 32.Rf4+-) 31...Rc2 (31...Ne8 32.Red4 Rc2 33.Kf1+-) 32.Bf1 (better 32.Rd8 Ne8 33.Rde8 Kg7+-) 32...Nf5 (32...Ne6 33.Rd7 Rc7 34.Rc7 Nc7 35.Rc4+-) 33.Rd8 (33.Rd7 Rc8+-) 33...Kg7 34.g3 (34.Rd7 h5+-) 34...h5 (34...Rc7 35.Rb8 Rc5 36.Rb7+-) 35.h4 (35.Rd7 g5+-) 35...Rb2 (35...Rc7 36.Rb8+-) 36.Bh3 (better 36.Rd7 Rc2+-) 36...Rb5 37.Bf5 Rf5 38.Re7 Ra5 39.Ra7 b5 (39...g5 40.hg5 b5 41.Rd6 Ra1 42.Kg2 Kg8 43.g6 Kh8 44.Rf7 Rg1 45.Kg1 h4 46.Rd8) 40.Rdd7 b4 (40...Kg8+-) 41.Rf7 Kh6 (41...Kg8 42.Rfb7 Ra1 43.Kg2 Rg1 44.Kg1 b3 45.Rb8) 42.Rfb7 (42.Rh7) 42...b3 (42...Ra1 43.Kg2 Rg1 44.Kg1 b3 45.Rh7) 43.Rh7 1–0. BeepBeepImAJeep (2675) – pita96 (1825), lichess.org, 2017.

6.e3 e5 7.Nf3 d5 8.Be5+= Bg4 9.Bb2 (9.d4 c5 10.Nc3 Nbd7 11.cd5 Ne5 12.de5 Re5=) 9...Nbd7 (9...d4 10.Qb3= (worse 10.Bd4 Bf3 11.Qf3 Qd4-/+)) 10.Be2 Nc5 (10...dc4 11.Bc4 Nb6 12.Be2+=) 11.cd5 (11.d4 Nce4+-) 11...Qd5 (11...Bf3 12.gf3 Nd5 13.Bg7 Kg7 14.d4+=) 12.0-0 (12.d4 Nce4+-) 12...Nd3+= 13.Bd4 Qf5 (13...Nf4 14.Nc3 Ne2 15.Qe2 Bf3 16.Qf3 (16.Nd5?! Be2 17.Bf6 Bf1 18.Rf1 c6 19.bc6 bc6 20.Ne7 Kf8 21.Bg7 Ke7=+; 16.gf3?! Qg5 17.Kh1 Qf5+=) 16...Qf3 17.gf3+-) 14.Nc3 Rad8 (14...c5 15.bc6 bc6 16.Qb1 Bf3 17.gf3+- (17.Bf3?! Rab8 18.Qa2 c5 19.Bf6 Bf6+=; 17.Bd3 Qg4 18.g3 Qh3 19.Bf6 Qg2)) 15.Nh4 (better 15.Qb1!? Bf3 16.Bf3+- (16.gf3?! Qg5 17.Kh1 Rd4 18.ed4 Nf4=+; 16.Qd3?! Qd3 17.Bd3 c5 18.bc6 Bc6+-; 16.Bd3?? Qg4 17.g3 Qh3 18.Bf6 Qg2)) 15...Qh5+= 16.Bg4 (better 16.f3 Be6 17.Bd3 Qh4 18.Qc2+-) 16...Ng4-/+ (16...Qg4 17.Nf3 Ne4 18.Qc2 Bd4 A) 19.ed4 Nf4 20.g3 Qf3 21.gf4 Qg4 (21...Rd4?! 22.Ne4 Rde4 23.Qc7-/+) 22.Kh1 Qf4-+; B) 19.Nd4 Nef2 20.Rf2 Rd4 21.Rf3= (worse 21.ed4 Qd4 22.Raf1 Nf2-+)) 17.Bg7 (better 17.h3!? Qh4 18.Qg4 Qg4 19.hg4 Bd4 20.ed4 Rd4 21.a5-/+) 17...Qh4-+ The mate threat is Qxh2 (17...Kg7 18.Nf3+=) 18.h3 Ngf2 (18...Kg7 19.Qg4 Qg4 20.hg4+=) 19.Qf3 Kg7 20.Nd1 Nd1 (20...Ne4 21.Qf7 Kh8 22.Qc4-+) 21.Qf7 Kh8 22.Rad1 Rf8 (22...Re7 23.Qf3-+) 23.Qb3? (23.Qc7 Kg8-/+) 23...Ne5 (better 23...Nf2!? 24.Qb2 Kg8 25.Qb3 Kg7 26.Qb2 Kh6 27.d4 Nd1 28.Rd1-+) 24.Qc3 Qe7 25.Rf4 Qg7 (25...Kg8 26.Rc1 Rf4 27.ef4-+) 26.Rdf1 (26.Rf8 Rf8 27.d4 Qd7-/+) 26...Rf4 27.Rf4 Nd3 28.Rc4 (28.Rf7 Qc3 29.dc3 Rc8-+) 28...Qc3 (28...Rd7 29.Kf1-+) 29.Rc3 c6 (29...Rd7 30.Kf1-+) 30.bc6-/+ bc6 31.Rc6 Rd7 (31...a5 32.Ra6-/+) 32.Rc3 (32.a5 Kg7-/+) 32...Kg7 (32...Nb2 33.a5 Rd2 34.Rc8 Kg7 35.Rc7 Kf6 36.Rh7-+) 33.Kf1 (33.a5 Kf6-/+) 33...Kf6 (better 33...Nb2!?-+) 34.Ke2=+ Ne5 35.Rc5 (35.d4 Nf7=+) 35...Nf7 36.Ra5 (36.d4 Ng5=+) 36...Nd6 37.Ra6 Ke6 (37...Ke7 38.d3-/+) 38.d4=+ Kd5 (38...Ke7 39.Kd3=+) 39.Kd3= Rb7?? (39...Re7 40.Ra5 Ke6 41.e4=) 40.Ra5?? (better 40.e4 Ne4 41.Ra5 Nc5 42.Rc5 Kd6 43.Ra5+-) 40...Ke6=+ 41.e4 Rb3 42.Kc2 (42.Ke2 Rb6=+) 42...Re3-/+ 43.e5? (43.Ra7 Ne4 44.Rh7-/+) 43...Nc4?? (43...Nf5 44.Kd2 Rg3 45.Ra7-+) 44.Ra6? (better 44.Ra7 Ra3 45.Rh7 Ne3 46.Kb2 Ra4 47.Rg7 Rb4 48.Kc1 Rd4 49.Rg6 Ke5 50.Rg8=) 44...Kd5-+ 45.Ra7 Kd4 46.Rd7 Ke5 47.Rh7 Ra3 48.Rg7 (better 48.h4-+) 48...Ra4?? (better 48...Rg3-+) 49.Kb3+= Nb6 50.Rg6 Ra6 51.Rg5 (51.h4 Ra1+=) 51...Ke4 52.Rg4 Ke3 53.Kc3 Kf2 54.Kb4 (54.Kd4 Nd7=) 54...Nd5= 55.Kb5 Nf6?? (better 55...Rh6=) 56.Rf4 (56.Rf4 Kg3 57.Rf5=; better 56.Ka6 Ke3 57.Ra4+-) 1–0. BeepBeepImAJeep (2750) – Federtiu (2640), lichess.org, 2020.

6.e3 e5 7.Nf3 d6 8.Be2 Nbd7 9.0-0 Nc5 10.d4 ed4 11.Nd4 Be6 12.Nd2 b6 (12...a6 13.Ne6 fe6 14.Nb3=) 13.Nc6 (13.Bf3 d5+-) 13...Qd7 14.Nf3 (14.Ra3 Bf5+=) 14...Nfe4 15.Nfd4 f5 (15...a6 16.f3 Nf6 17.Ne6 Qe6 18.e4=) 16.a5 Qf7 17.a6 (17.Qc2 Bd7+=) 17...f4 (17...Bc4 18.Bc4 Qc4 19.Rc1=) 18.Ne6 (better 18.f3!? Nf6 19.ef4 Bc4 20.Bc4 Qc4 21.f5+=) 18...Bb2=+ 19.Nf4 Ba1 20.Qa1 Nd2 21.Rd1 Nc4 (21...Nde4 22.Qd4=) 22.Nd5 (22.Bf3 Ne4+-) 22...Ne5 23.Ne5 Re5 24.Bc4 Kg7?? (better 24...Ne6+-) 25.Nb6! Qe8 (25...cb6 26.Bf7) 26.Na8 Qa8 27.f4 (27.f4 Qe4 28.fe5 Qe3 29.Kh1+-) 1–0. BeepBeepImAJeep (2545) – ThanosA4 (2450), lichess.org, 2019.

6.Nf3 d6 7.d4 Nbd7 8.e3 e5 9.Be2 ed4 10.Nd4 Nc5 (10...Ne5 11.0-0=) 11.0-0 Nfe4 12.Nd2 h5 (12...Bd4 13.Bd4 Nd2 14.Qd2=) 13.Ne4+= Ne4 14.Qc2 Qe7 15.Bf3 Nc5 (15...a5 16.h3+=) 16.Bd5 (better 16.a5+=) 16...Bd7? (better 16...Be6+=) 17.Qg6+- Be6 18.Qg3 (better 18.Qh5!? Bd5 19.Nf5+- (19.cd5?! Qe4+-; 19.Qd5?! Qe4+-)) 18...h4+- 19.Qg7! Kg7 20.Nf5 Kg6 (20...Kf8 21.Ne7 Ke7 22.Bd4+-) 21.Ne7 Re7 22.Rfd1 Bd5 23.Rd5 f5 24.Ba3 (24.a5 Re4 25.Bd4 Nb3+-) 24...Ne4 25.c5 (25.a5 Rae8+-) 25...dc5 26.Bc5 Re6 27.Bd4 a6 28.f3 Nd6 (28...Nf6 29.Rc5 ab5 30.ab5 Ra1 31.Ba1+-) 29.Rc1 ab5 30.ab5 Ra5 (better 30...Re7+-) 31.Rb1?? (better 31.Rc7 Rb5 32.Rb5 Nb5 33.Rg7 Kh5 34.Rb7 Nd4 35.ed4+-) 31...c6= 32.Re5 (32.bc6 Rd5 33.cb7 Nb7 34.Rb7 Rc6=) 32...Re5=+ 33.Be5 Rb5 (33...Nb5 34.Rb4 Kg5 35.e4=+) 34.Rb5= Nb5 35.Kf2 Na3 36.Bd6 Nc4 37.Be7 Kh5 38.h3 b5 (38...Ne5 39.Bd6 Nf7 40.Bc5=+) 39.Ke2 (39.e4 f4=) 39...Nb6 (39...Ne5 40.e4=) 40.e4 fe4 41.fe4 Nd7 42.Ke3 c5 43.Kd3 (43.e5 Ne5 44.Bc5 Ng6=) 43...Ne5 44.Kc3 Nd7 (44...c4 45.Bd6 Nd3 46.Kd4=) 45.Bd6 (45.Kb3 c4 46.Kb4 Ne5+-) 45...Kg5 46.Be7 (46.g4!? Kf6 47.Bf4=) 46...Kf4=+ 47.Bh4 Ke4 48.Bf2 (48.g4=+) 48...Kf4 (better 48...Kd5!?-/+) 49.Bc5 Nc5 50.Kb4 Ne4 51.Kb5 Kg3 52.Kc6 Ng5 53.Kd7 Nh3 54.gh3 Kh3 ½–½. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

6.Nf3 d6 7.d4 Nbd7 8.e3 e5 9.de5 Ng4=+ 10.Be2 Nge5 11.Ne5 (11.Bd4 Nf3 12.Bf3 Ne5=+) 11...Ne5 12.Nc3 (12.0-0 Nf3 13.Bf3 Bb2=) 12...Qg5 (12...Be6!?-/+) 13.0-0= Bh3 (13...Ng4 14.Qd2 Qe5 15.Bg4 Bg4 16.Ra2+=) 14.Qd5+= c6 (14...Be6 15.Qb7 Reb8 16.Qc7+=) 15.f4 cd5 (15...Qe7 16.Qd2 Nd7 17.e4+=) 16.fg5 Be6 (16...Bg4 17.cd5 Be2 18.Ne2=) 17.Nd5 (17.cd5 Bg4+-) 17...Bd5 (17...Nc4 18.Bc4 Bb2 19.Ra2+=) 18.cd5+- Nf3 (18...Nd7 19.Bg7 Kg7 20.Rac1+-) 19.Rf3+- Bb2 20.Raf1 Re7 21.Bd3 Rc8 22.Rb1 (22.e4 Be5+-) 22...Be5 (22...Bc1 23.Kf2 Rc3 24.b6 ab6 25.Ke2+=) 23.e4 Rc3 24.a5 b6 (24...Kg7 25.g3+-) 25.a6 Rec7 26.g3 Ra3 (better 26...h6 27.gh6 Kh7+-) 27.Be2 (27.Rbf1 Ra2+-) 27...Ra2 (27...Ra4 28.Kg2 Re4 29.Rf2=) 28.Bd1 (28.Kf1 Rcc2 29.Re1 Bc3+=) 28...Rd2+= 29.Kh1 Rc4 30.Re3 Bd4 (30...Kg7 31.Bb3 Rc7 32.Rbe1+=) 31.Re2+- Rd3 32.Rc2 (32.Kg2 Rdc3+-) 32...Rc5 (32...Rc2 33.Bc2 Rc3 34.Rd1+-) 33.Rc5 dc5 34.Bb3 (34.Bg4 Be5+-) 34...Be5+= 35.d6 (35.Kg2 Kf8+-) 35...Rd6= 36.Bd5 (36.Rf1 Rd7=) 36...Kg7 37.Rf1 The backward pawn on f7 becomes a target 37...Rd7 (37...f6 38.gf6 Rf6 39.Kg2=) 38.Kg2+= Rc7 (38...Bd4 39.Bc4+=) 39.Bc4 Re7 40.h4 Bd4 41.Bd5 (41.Kf3 h6+=) 41...Rc7= 42.Bc4 Re7 43.Bd5 (43.g4 Bc3+=) 43...Rc7= 44.Bc4 (44.Rd1 Rd7=) 44…Re7 ½–½. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

6.Nf3 d6 7.e3 e5 8.Be2 (8.d4 e4 9.Nfd2 c5=) 8...Nbd7 (8...e4 9.Nd4=) 9.Nc3 (9.d4 ed4 10.Bd4 Nc5=) 9...e4 10.Nd4 Nc5 (10...c5 11.bc6 bc6 12.f3= (worse 12.Nc6 Qb6-/+)) 11.0-0 h5 (11...d5 12.cd5 Nd5 13.Nd5 Qd5 14.Rc1=) 12.Nb3 (12.f3 ef3 13.Bf3 Nd3+=) 12...Bf5 (12...Nd3 13.Bd3 ed3 14.Qb1=) 13.Ba3 (13.Nc5 dc5 14.f3 ef3 15.Bf3 Rb8+=) 13...Nfd7 14.Qc2 (14.Nd4 Bd4 15.ed4 Ne6=) 14...Rc8 (14...Qg5 15.Kh1=+) 15.a5 (15.Bb2 Qg5 16.Nd5 Nd3 17.Bg7 Bh3= (worse 17...Kg7 18.Bd3 ed3 19.Qc3 Kg8 20.Nd4+-)) 15...Qg5=+ 16.Kh1 Nd3 17.Rad1 (17.Bd3 ed3 18.Qb1 Qh4=+) 17...N7e5 (17...h4-/+) 18.Nd5 (18.c5 Qh4-/+) 18...Ng4 (18...c6 19.bc6 Rc6 20.Nd4 Nc4 21.Nc6 Na3 22.Nde7 Re7 23.Ne7 Qe7 24.Qb3=+) 19.Bg4? (better 19.Kg1!?-/+) 19...Bg4-+ (19...Qg4?! 20.b6 cb6 21.ab6=+; 19...hg4?! 20.Nd4-/+) 20.f4?? (better 20.Rb1-+) 20...ef3! (20...Bd1?! 21.Qd1 (21.fg5?? Bc2 22.Nd4 Ba4-+) 21...Qf5 22.Nb4-+) 21.Qd3 (21.gf3 Bh3 Combination) 21...fg2 22.Kg2 Bf5 (22...Bf5 23.Kf2 Bd3-+) 0–1. Timmermans,Mark (2385) – Van Wely,Loek (2655), Dutch Championship Internet, 2016.

5.c4 Ne8

6.Nc3 a6 7.e3 ab5 (7...Nf6 8.Nf3=) 8.ab5 Ra1 9.Qa1 e6?? (9...d6 10.Qa8 Nd7 11.Nd5 Bb2 12.Qc8 Qc8 13.Ne7 Kg7 14.Nc8=) 10.Nf3?? (better 10.Qa8+-) 10...d5 (10...d6 11.Be2+=) 11.cd5 ed5 12.Be2 (12.Qa7 Be6+-) 12...Be6 13.0-0 Nd7 (13...Nd6 14.Qa7+=) 14.Rc1 (14.Ba3 Nd6+-) 14...Nb6 15.d4 (15.Ba3 Nd6+=) 15...Nd6= 16.Na4 Nbc4 17.Bc3 (17.Ba3 Re8 18.Bd6 Nd6+=) 17...b6 (17...Nb5!? 18.Bb4 Nbd6=+) 18.Bb4+= Re8 19.Nc3 Qf6 20.Bc4 (20.Bd6 Nd6 21.Qa7 Rc8+=) 20...Nc4= 21.Ne2 (better 21.Qa4=) 21...Bg4-/+ 22.Nf4 Bf3 23.gf3 g5?? (better 23...Bh6 24.Ng2 Qf3-/+) 24.Nd5+- Qf3 25.Rc4 (25.Qa2!? Qd5 A) 26.Rc4? Ra8 (26...Qb5?! 27.Rc7 Qf5 28.Qb3=) 27.e4 Qe4-+ (27...Ra2 28.ed5 f5 29.Rc7 Bd4 30.d6+-); B) 26.Qc4+-) 25...Qd5 26.Qc3 Qf3 27.Rc7 Qg4 28.Kf1 Qd1 29.Qe1 Qd3 (29...Qa4!? 30.Qd2 Qb5 31.Kg2 Qd5 32.Kg1 Qf3=) 30.Qe2+- Qb1 31.Be1 Qf5 32.Rc6 (better 32.Bc3!?+-) 32...Bd4= 33.Qc2 (33.ed4 Exploits the pin 33...Re2 Annihilates a defender: e2) 33...Qh3-/+ 34.Kg1 Qg4 (better 34...Be5!? 35.f3 Qf3-/+) 35.Kf1= Qh3 36.Ke2?? (36.Kg1 Be5-/+) 36...Be5 (better 36...Be3 37.Rc8 Rc8-+) 37.Rb6=+ Qg4 (better 37...Qh5 38.Kf1 Qh2=) 38.Kd2?? (better 38.Kf1 Rc8 39.Rc6 Qh3 40.Ke2=) 38...Rd8-+ 39.Kc1 Rc8 (better 39...Qg1 40.Qe2 Bc3-+ (40...Qh2?! 41.Qf1-/+; 40...Bh2?! 41.Kc2-/+)) 40.Rc6= Rd8 41.Bd2?? (41.Rb6 Qg1 42.Qe2-+) 41...Qg1-+ 42.Qd1 Qf2 43.Rc2? (43.Qe1 Qh2 44.Bc3 Bc3 45.Qc3 Qe2-+) 43...Qf5 (43...Ra8 44.Bc3 Qe3 45.Kb2 Qc5 46.Be5 Qb5 47.Kc1 Qe5-+) 44.Qe2 Bf6 (44...Qe4 45.Bc3-+) 45.Qc4 (better 45.e4!? Qe5 46.Kd1-/+) 45...Qe5 Do you see the mate threat? 46.Qc6?? (better 46.Ra2-+) 46…Qa1 0–1. BeepBeepImAJeep (2530) – ThanosA4 (2465), lichess.org, 2019.

6.Nc3 c6 7.e3 d5 8.Nf3 dc4 9.Bc4 Nd7 (9...cb5 10.Bb5 Nd6 11.Be2=) 10.0-0 (10.bc6 bc6 11.d4 c5=) 10...Nb6 (10...Nd6 11.Be2=) 11.Be2 Bf5 12.d4 Nd6 13.Rc1 Nbc4 14.Ba1 cb5 15.ab5 Rc8 16.Qb3 Na5 17.Qa2 b6 (17...Be6 18.d5 Bd7 19.e4+=) 18.Ne5 Be6 19.Qd2?? (19.d5 Be5 20.de6 Qe8+-) 19...Ndc4 (better 19...Nb3!? 20.Qc2 Nc1 21.Rc1 Be5 22.de5 Nc4-/+) 20.Bc4 (20.Nc4 Bc4 21.Bc4 Nc4=) 20...Nc4= 21.Nc4 Bc4 22.Rfd1 Qd6 23.Qb2 Rfd8 24.Rc2 (24.Ne4 Qe6 25.Nc3 h6=) 24...Qe6 (24...e5 25.d5=+) 25.Rdc1 Bb3 26.Rd2 Bc4 27.Nd1 (27.Ne2 a6 28.ba6 Ba6 29.Rc8 Rc8=+) 27...Bd5 (27...Rd5 28.Nc3 Rg5 29.Re1=+) 28.Rdc2 Rc2 29.Qc2 (29.Rc2? Bg2 30.Kg2 Qg4 31.Kf1 Qd1 32.Kg2 Rd5-+) 29...h5 (29...Qg4 30.f4=) 30.Nc3 Bb3 Black gets in control 31.Qd2 Rc8 32.Ne2 (32.Bb2 Qd7=) 32...Rc1 33.Nc1 (33.Qc1 Qf5 34.Nc3 Bc4=+) 33...Bd5=+ 34.Nd3 Qd7 35.Nf4 (35.Bb2 Qb5 36.f3 Bh6-/+) 35...Qb5 Threatening mate... how? 36.Bb2 e6 (36...e5 37.de5 Be5 38.Nd5 Bb2 39.Nc7-+) 37.h3 Be4 38.Qc3 (38.f3 Bc6-/+) 38...Qd7 (38...Qc6!?-/+) 39.f3=+ Bb7 40.e4 a5 41.Ne2 (41.Nd3 Qc6-/+) 41...a4 42.Qc4 (42.Nf4 h4-/+) 42...Bc6 (better 42...b5 43.Qc3 h4-+) 43.Ba3?? (better 43.Qc3-/+) 43...Bb5-+ 44.Qb4 (44.Qc2 Be2 45.Qe2 Qd4 46.Kh2 Be5 47.g3 h4-+) 44…Be2 (44...Be2 45.e5 b5-+) 0–1. BeepBeepImAJeep (2620) – PlantNClick (2760), lichess.org, 2017.

6.Nc3 d6 7.e3 Nd7 8.Nf3 e5 9.d4 ed4 10.Nd4 Nc5 11.Be2 b6 (11...Be6 12.0-0=) 12.0-0 Bb7 13.Bf3 Qe7 (13...Bf3!? 14.Qf3 Nd3+=) 14.Bb7+- Nb7 15.Nc6 (15.Qf3 c5 16.bc6 Na5+-) 15...Qg5 16.Ne4 Qf5?? (better 16...Qh4 17.Bg7 Ng7+-) 17.Ne7+- (17.Ne7 Kh8 18.Bg7 Ng7 19.Nf5 Nf5 20.Nf6+-) 1–0. BeepBeepImAJeep (2555) – vaggo2004 (2430), lichess.org, 2019.

6.Nc3 d6 7.e3 Nf6 8.Nf3 h5 (8...e5 9.Be2=) 9.Be2+= Nbd7 10.0-0 e6 11.d4 e5 12.de5 Ne5 13.Ne5 de5 14.Qb3 Qe7? (14...Be6 15.Rfd1 Nd7 16.a5+-) 15.Rad1 (15.Ba3 Qe8+-) 15...Be6? (better 15...Rd8!?+-) 16.Ba3+- Qe8 17.Bf8 Qf8 18.Nd5 (18.Bf3 Rb8+-) 18...Bd5 19.cd5 (19.Rd5?! Nd5 20.cd5 e4+=) 19...Rd8 (19...Qd6 20.Qc4+-) 20.Bc4 (20.Qc4 Qd6+-) 20...Qd6 21.Rd2 Nd7 (21...e4 22.a5+-) 22.Rc1 Nc5 23.Qc2 b6 24.h3 e4 25.a5 Be5 (25...ba5 26.Bf1 Bf8 27.Ra1+-) 26.ab6 (26.Be2!? Qf6+-) 26...cb6 27.Qd1 Bh2 28.Kh1 Be5 29.Be2 (29.f4 ef3 30.Qf3 f5+-) 29...Bf6 30.Rc4 h4 31.Qc2 Qe5 32.Rdd4 (32.Qa2 Be7 33.Qb1 Rd5 34.Rd5 Qd5+-) 32...Rd6 (32...Qg5+-) 33.Re4 (better 33.Rd1!?+-) 33...Ne4+= 34.Qe4 (better 34.Re4 Qd5 35.Qb1+=) 34...Qa1 (better 34...Qe4 35.Re4 Rd5=) 35.Kh2+- Be5? (better 35...Rd8!?+-) 36.f4+- Bf6? (36...Bg7 37.Qe8 Bf8 38.Rc8+-) 37.Rc8 (better 37.Qe8 Kh7 38.Rc6+-) 37...Kg7 38.Qe8 Threatening mate... how? 38...Rd8 39.Rd8 Bd8 40.Qd8 Qe1 41.Bf3?? (41.Qc7 Qe2 42.Qc3 Kg8 43.d6+-) 41...Qg3= 42.Kg1 Qe1 43.Kh2 Qg3 44.Kg1 Qe1 45.Kh2 ½–½. BeepBeepImAJeep (2585) – Robin22 (2005), lichess.org, 2017.

6.e3?? Bb2-+ 7.Ra2 Bg7 8.Nf3 d5 9.d4 Be6 10.c5 h6 11.Be2 Nf6 12.0-0 Ne4 13.Qc2 c6 (13...a6 14.Nc3-+) 14.Nbd2 f5 15.Rb1 Nd7 16.Ne4 (16.bc6 bc6 17.Rab2 Qa5-+) 16...fe4 17.Nd2 Nf6 (17...Bf5 18.bc6 bc6 19.g4-+) 18.a5 Bg4 19.Nb3 (19.Qd1 Bc8-+) 19...Be2 20.Qe2 Qd7 21.bc6 (21.a6 cb5 22.ab7 Qb7-+) 21...bc6 22.a6 (22.Qa6 e5-+) 22...Rab8 23.Rab2 Rb4 (23...e5 24.h3-+) 24.Na5 Rb2 25.Rb2 Qc7 26.Nb7 h5 (26...e5 27.Nd6-+) 27.h3 Kh7 (better 27...Ne8-+) 28.f3 (28.Qd2 Nd7-+) 28...Bh6 (better 28...ef3 29.gf3 Qg3 30.Qg2 Qe1 31.Kh2 Qe3-+) 29.fe4 (29.f4-+) 29...Ne4 (29...Qg3 30.Rb3 Ne4 31.Na5 Rf2 32.Qf3 Rf3 33.Rb2 Be3 34.Rf2 Qf2 35.Kh2 Qg1) 30.Rb3 (30.Qe1 Qg3 31.Qg3 Ng3 32.Kh2-+) 30...Qg3 31.Na5 Rf2 (31...Rf2 32.Qf3 Rf3 33.Rb2 Be3 34.Rf2 Qf2 35.Kh2 Qg1) 0–1. RichardSommer (1955) – j_mehrparvaran (2035), lichess.org, 2020.

6.e3?? Bb2 7.Ra2 Bg7 8.Nf3 d5 9.Be2 dc4 10.Bc4 Be6 11.Be6 fe6 12.0-0 Nd7 (12...a6 13.ba6 Ra6 14.d4-+) 13.d4 e5 (13...Ndf6 14.Qb3-+) 14.Rd2 (better 14.Qb3 Kh8 15.Ng5-+) 14...e4?? (14...ed4 15.Ng5 Nc5 16.ed4-+) 15.Ne1? (better 15.Ng5-/+) 15...e6 (15...Nd6 16.Qb3 Kh8 17.Nc3-+) 16.Nc3 (16.Qg4 Qe7 17.Qe4 Nd6-+) 16...Ndf6 17.Qb3 Qe7 18.Nc2 Rc8 19.Nb4 c6 20.bc6 bc6 21.Na6 Nc7 (21...Rf7 22.Qc2-+) 22.Nc5 Ncd5 23.N3e4 Ne4 24.Ne4 Rfd8 (24...e5 25.Re1-+) 25.Nc5 (25.f4 Rb8 26.Qd3 Qb4-+) 25...Bf8 (25...e5 26.Qc4-+) 26.Nd3 Qf7 27.Ne5 (better 27.Rc1-+) 27...Qg7 (27...Qf6 28.Nd3-+) 28.Rc2? (28.e4 Qh6 29.Rc2 Nf4=+) 28...Bd6 (better 28...c5-+) 29.Nc6-/+ Qc7?? (better 29...Rf8!?-/+) 30.Rfc1 (30.e4 Nf4 31.g3 Nh3 32.Kg2 Ng5+-) 30...Qd7 (30...Rf8!? 31.Na7 Rb8 (worse 31...Bh2 32.Kh1 Qa7 33.Rc8+-) 32.Rc7 Rb3=) 31.Nd8+- Rd8 32.Rc6 (better 32.Qb5+-) 32...Bc7? (better 32...Rb8 33.Qc2 Kg7+=) 33.e4+- Nf4 (33...Bf4 34.ed5 ed5 35.R1c3+-) 34.Rc7 Qd4 35.Qc2 Nd3 (35...Rf8 36.Rd1 Qf6 37.f3+- (37.Ra7?! Qg5 38.g3 Nh3 39.Kg2 Qg4+-)) 36.Rf1 (better 36.Rd1 Qb4 37.Rc4 Qa5+-) 36...Ne5 (36...Nb4 37.Qb3 Qe4 38.Qc3+-) 37.Rc3 (37.Qb3 Qb6 38.Qc3 Qd6+-) 37...Qd6 38.Re3 (better 38.Rc8+-) 38...Nd7 (38...Ng4 39.Rg3 Ne5 40.Rc1+-) 39.g3 (better 39.Rd3!? Qe7 40.Rfd1 Kf7+-) 39...Qe7 (39...Ne5 40.Rc1+-) 40.Rd1 (40.Qc7 Kf7 41.Rd3 Ke8+-) 40...Nf8 41.Red3 (41.Rd8 Qd8 42.Rc3 Qb6+-) 41...Rd3 42.Qd3 Qf7 43.e5 Kg7 44.f4 Qf5 (44...Kg8 45.Qd8+-) 45.Qd8 (45.Qf5 ef5 46.Rd6 a5+-) 45...Kh6 (45...Kg8+-) 46.Qf6 Qf6 47.ef6 Nd7 (47...g5 48.Rd8 Ng6 49.Rg8 gf4 50.gf4+-) 48.Re1 (48.Rd7 a6 49.Rd8 Kh5 50.f7 a5 51.f8Q Kg4 52.Qf6 g5 53.Qe6 Kh5 54.Rg8 gf4 55.Qh3) 48...Nf6 49.Re6 Kg7 50.Re5 (50.Ra6 g5 51.Ra7 Kh8 52.a5+-) 50...Ne8 (50...a6 51.Re7 Kf8 52.Re6+-) 51.Rg5 (better 51.Re8 g5+-) 51...Kg8 (51...Nd6 52.Rd5 Nc8+-) 52.Rg6 (better 52.Ra5 Nd6 53.Ra7 g5+-) 52...Kf8?? (better 52...hg6 53.Kg2 Nd6-+) 53.Rg5 (53.Ra6 h5+-) 53...Ke7 (53...a6 54.Ra5 Nc7 55.Rc5+-) 54.Rf5 (54.Ra5 Kd6+-) 54...Kd8 (54...a6 55.Rh5 Nf6 56.Ra5+-) 55.Rd5 (55.Rf7!? a5+-) 55...Kc8 56.Re5 Nc7 (56...Nf6+-) 57.Re8 (57.Rh5 Kb8+-) 57...Kb7?? (better 57...Ne8 58.Kf2 Kc7-/+) 58.Re7 Kb8 59.Rc7 (better 59.Rh7 Nd5+-) 59...Kc7 60.f5 Kd7 61.f6 (61.f6 Ke6 62.Kf2+-; better 61.g4+-) 1–0. BeepBeepImAJeep (2745) – heptagon (2295), lichess.org, 2016.

5.e3 a6

6.c4 ab5 7.ab5 Ra1 8.Ba1 c6 9.Nc3 cb5 10.cb5 d5 11.Nf3 Nbd7 12.Be2 Nb6 13.0-0 Nc4 14.Re1 Bg4 15.h3 Bf3 16.Bf3 e6 17.d3 Ne5 18.Be2 Qb6 19.Qc1 Rc8 20.Qd1 Ned7 21.Bf1 e5 (21...Qa5 22.Qb3 d4 23.ed4 Nh5=) 22.Ne2 (better 22.d4!? e4 23.Qd2=) 22...Qb5-/+ 23.d4 e4 24.Nf4 Qc6 25.Ne2 (25.Qb3 Bh6-/+) 25...Qd6 26.Ng3 Nb6 27.Qb3 Nfd7 28.Ne2 (28.Bb5 h6-/+) 28...Bf8 29.Nf4 (29.Nc3 Ra8-/+) 29...Qb4 30.Qd1 Bd6 31.Be2 Bf4 32.ef4 Nf6 33.Rf1 Nc4 34.Qc1 b5 35.f3 Nh5 (35...Nd6 36.Qd1-+) 36.fe4 de4 (36...Ng3 37.Re1 Ne4 38.Bf3-+) 37.f5? (better 37.Bh5 gh5 38.Qc2-/+) 37...Ng3-+ 38.Rf2?? (38.Re1 Nb6 (38...Ne2?! 39.Re2 Qa3 40.Qa3 Na3 41.Bb2-+) 39.Qd1 Nd5 (worse 39...Ne2 40.Qe2 gf5 41.Rf1-+) 40.fg6 Ne3-+) 38...Ne2 (better 38...e3 39.fg6 ef2 40.Kf2 Ne4 41.Kg1 fg6-+) 39.Re2-/+ e3 (better 39...Qa3!? 40.Qa3 Na3-+) 40.fg6=+ hg6 41.Qf1 (better 41.Re3!? Ne3 42.Qc8 Kh7 43.Qc1=+) 41...Rf8 42.Kh2 (42.d5 f5-/+) 42...Qe7 (42...Ra8 43.d5-+) 43.d5 (43.Kg1 Rd8-/+) 43...Qd6 (43...Rd8 44.Bf6 Qc7 45.Kg1 Rd5 46.Ra2-+) 44.Kh1 Qg3?? (44...Rd8!?-+) 45.Bd4 (better 45.Qf6 Qe5 46.Be5 Ne5 47.Qe5+-) 45...Nd2?? (better 45...Qg5-/+) 46.Qf6 (46.Qf6 Qh2 47.Kh2 Nf3 48.gf3 Rd8 49.Qg7) 1-0. brucepeng (2000) - UrosNejaki (2055), lichess.org, 2020.

6.c4 ab5 7.ab5 Ra1 8.Ba1 c6 9.Nc3 d5 10.Nf3 Bg4 11.cd5 cd5 12.Be2 Qd6 13.0-0 e5 Black prepares d4 (13...Rc8 14.d4=) 14.h3 (better 14.Ne5!? Be2 15.Ne2+/-) 14...Be6= 15.Re1 d4 16.ed4 ed4 17.Na4 Nfd7 18.d3 (18.Qb1 b6=) 18...Nc5 (better 18...Qb4!? 19.Nb2 Qb5-/+) 19.Nc5= Qc5 20.Qb1 (20.Qc1 Qd6+=) 20...Rc8 21.Nd2 Bd7 Attacks the isolani on b5 22.Bg4 f5 (22...Bg4 23.hg4 Nd7 24.Ne4=) 23.Bf3+= Bb5 24.Bb7 Rc7 (24...Re8 25.Rc1 Qa3 26.Nc4 Bc4 27.dc4+=) 25.Qb3 (better 25.Nb3 Qd6 26.Nd4 Bd4 27.Qb5 Ba1 28.Bd5 Kg7 29.Qb8+/-) 25...Kf8?? (better 25...Kh8 26.Bf3 Na6+=) 26.Qe6 (better 26.Bb2 Rb7 27.Ba3 Qa3 28.Qa3 Kf7 29.Qd6+-) 26...Qe7?? (26...Rb7 27.Nf3 Qc6-+) 27.Qe7= Re7 28.Re7 Ke7 29.Nb3 Nc6 (better 29...Bd3!? 30.Nd4 Be4 31.Be4 fe4=) 30.Bc6+/- Bc6 31.Bd4 Bd4 32.Nd4 Ba4 33.Kf1 Kd6 34.Ke2 Kd5 35.Nf3 h6 36.g4 fg4 37.hg4 Bd7 38.Nh2 (38.g5 h5 39.Nh4 Be8+/-) 38...Be6 39.f3 (39.f4 Kd6+/-) 39...Kd4 40.Nf1 (40.f4!?+/-) 40...Bc4?? Attacking the isolated pawn on d3 (better 40...h5+=) 41.dc4+- 1-0. brucepeng (2000) - Gambito_Guzman (2080), lichess.org, 2020.

6.c4 ab5 7.ab5 d6?? 8.Ra8+- Nbd7 9.Nf3 e5 10.Nc3 Nb6 11.Ra1 Be6 12.d3 e4 (12...Nfd7 13.Ne4+-) 13.Ne4 Ne4 14.Bg7 (14.de4?! Bb2 15.Rb1 Bc3 16.Nd2 Qf6+/-) 14...Kg7 (14...Nf2 15.Kf2 Kg7 16.Ra7+-) 15.de4 Nc4 (15...Qf6 16.Ra7+-) 16.Bc4 Bc4 17.Qd4 Qf6 18.Qf6 (better 18.e5 Qe6 19.ed6 Kg8+-) 18...Kf6 19.Rc1 (19.Nd4!? Ke5+-) 19...Bb5 20.Rc7 Ra8 21.Rc1 (21.Rb7 Ra1 22.Kd2 Rh1 23.Rb5 Ra1+-) 21...Ra2 22.Nd4 Ba6 (22...Bd3 23.f3+-) 23.f4 (23.Rg1 Ke5+-) 23...h5 (23...Bd3 24.g4 Be4 25.g5 Kg7 26.Rc7+-) 24.Nc2 Rb2 (24...Bb5 25.Rg1+-) 25.Kd2 Rb3 26.Rb1 Rd3 27.Kc1 Rc3 28.Rb2 Bd3 29.Rd1 Be4 30.g3 (30.Rd6 Ke7 31.Rd2 Rc4+-) 30...b5 (30...Ke7 31.Kd2 Rc4 32.Nd4+-) 31.Rd6 Kf5 32.Rb6 Bd3 (32...Kg4 33.R6b5 Kh3 34.Re5+-) 33.Kd2 Rc2 34.Rc2 (34.Kd3?! Rb2 35.h3 Rb3 36.Kd4 Rb4 37.Kd5 g5+/-) 34...Bc2 35.Kc2 Ke4 36.Kd2 Kf3 37.Rb5 Kg2 38.Rb7 Kh2 39.Rf7 Kg3 40.Rg7 h4 (40...Kg4 41.Rg6 Kf5 42.Rg5 Kf6 43.Rh5+-) 41.Rg6 (41.f5 h3 42.fg6 Kg4 43.Rf7 Kg3 44.g7 Kg2 45.g8Q Kh2 46.Rf2 Kh1 47.Rf1 Kh2 48.Qg1) 41...Kf3 42.Rh6 (better 42.f5 Ke4 43.f6 Kf5+-) 42...Kg4 43.Kd3 h3 (43...Kf5 44.Rh4 Ke6 45.e4+-) 44.Ke4 Kg3 45.f5 Kg2 46.f6 h2 47.f7 (47.f7 h1Q 48.Rh1 Kh1 49.Kf3 Kg1 50.f8Q Kf1 51.Qc5 Kg1 52.Qc2 Kf1 53.Qf2) 1-0. brucepeng (2025) - dridihoussine (2115), lichess.org, 2020.

6.c4 c6 7.Nc3 d5 8.cd5 (8.Nf3 Be6 9.c5 Ne4=) 8...Nd5=+ 9.Nf3 Nc3 10.Bc3 Bc3 11.dc3 Qa5 12.Qc1? (better 12.Rc1=) 12...ab5-+ 13.ab5?? (better 13.Be2-+) 13...Qa1 14.Qa1 Ra1 15.Kd2 (15.Ke2 Rd8 16.Nd4 e5-+) 15...cb5 (15...Rd8 16.Nd4 e5 17.g3-+) 16.h4 (16.Ng5 Rd8 17.Ke2 b6-+) 16...Nc6 (16...Rd8 17.Nd4 e5 18.h5-+) 17.g4 (17.Ke2 Bg4 18.e4 Rd8-+) 17...Bg4 18.Bg2 (18.Nd4 Ra2 19.Kc1 Nd4 20.ed4 Rfa8-+) 18...Rh1 (better 18...Ra2 19.Ke1 Rd8 20.Nd4-+) 19.Bh1 Bf3 20.Bf3 Ra8 0-1. brucepeng (2010) - susana14 (2025), lichess.org, 2020.

6.d4 ab5 7.ab5 Ra1 8.Ba1 b6 9.Nd2 Bb7 10.Be2?? (10.Ngf3 c5=) 10...d6?? (better 10...Bg2 11.Bf3 Bh1 12.Bh1 c6-+) 11.Bf3 Nbd7?? (better 11...c6=) 12.Bb7+- Qb8 13.Bc6 Qa7 14.Ngf3 (better 14.Ne2 Nb8 15.Bf3 Rc8+-) 14...e5 (14...Nb8 15.c4 Nc6 16.bc6 Ra8+-) 15.de5 de5 16.Ne5 Ne5 17.Be5 Rd8 18.Qa1 Qb8 (18...Qa1 19.Ba1 Nd5 20.Bd5 Rd5+-) 19.Bf6 Bf6 20.Qf6 Rd6 21.Qc3 Qd8 22.Ke2 Qg5 23.Nf3 Qh5 (23...Qg4 24.Ra1 Rd8 25.Bd5+-) 24.h3 (24.Ra1 Rd8+-) 24...f6 (24...Qf5 25.Ra1 Rd8 26.g4+-) 25.g4 Qh6 26.Qc4 (26.Bd5 Rd5 27.Qb3 Kh8 28.Qd5 Qf8+-) 26...Kf8 (26...Kh8 27.Qf7 Qg7 28.Qe8 Qg8 29.Qg8 Kg8 30.Ra1+-) 27.Nd4 Ke7 28.Qg8 f5 29.Qe8 Kf6 30.g5! Kg5 (30...Kg5 31.Qe7 Mate attack; 30...Qg5 31.Qf8 Mate attack) 31.Qe7 Kh5 (31...Rf6 32.h4 Qh4 33.Nf3 Kh6 34.Rh4) 32.Ne6 (32.Bf3) 32...g5 (32...Rc6 33.bc6 g5 34.h4 f4 35.hg5 Kg4 36.gh6 f3 37.Kd3 Kf5 38.e4 Ke5 39.Rh5) 33.Nc7 (33.Nf4! Kh4 34.Bf3 Rd2 35.Kd2 Qd6 36.Qd6 cd6 37.Ng2) 33...Qg6 34.Be8 Rf6 Black prepares f4 (34...Rd7 35.Qd7 Kh4 36.Bg6 h6 37.Qh7 h5 38.Qh5) 35.Bg6 (35.Qh7) 35...Rg6 36.Nd5 (36.Qh7 Rh6 37.Qf7 Rg6 38.h4 Kh6 39.hg5 Kg5 40.f4 Kg4 41.Qg6) 36...f4 (36...Kh6 37.h4 g4 38.Qf8 Rg7 39.h5 g3 40.Qf6 Rg6 41.hg6) 37.Nf4! gf4 (37...gf4 38.Qh7 Mate attack) 38.ef4 (38.Qh7 Kg5 39.Rg1 Kf6 40.Rg6 Ke5 41.Qh5 Ke4 42.f3) 38...Kh6 39.Qe3 (39.Rd1 Rg7 40.Qh4 Kg6 41.Rd6 Kf7 42.Qf6 Ke8 43.Rd8) 39...Kg7 (39...Rg8 40.Rd1 Kg7 41.Qe6 Rf8 42.Rg1 Kh8 43.Qe5 Rf6 44.Qf6) 40.f5 (40.Rd1 Kf7 41.Rd7 Kf8 42.Qe7 Kg8 43.Qd8) 40...Kf7 (40...Kf6 41.fg6 hg6 42.Qb6 Kg7 43.Rg1 Kf7 44.Ra1 Kg7 45.Ra7 Kh6 46.Qf6 Kh5 47.Rh7) 41.h4 (41.Rd1 Re6 42.Qe6 Kf8 43.Rd8 Kg7 44.Rg8) 41...Rf6 (41...Rg8 42.Qe6 Kf8 43.Qf6 Ke8 44.Rd1 Rg1 45.Rd8) 42.h5 (42.Rd1 Rh6 43.Rd7 Kf8 44.Qe7 Kg8 45.Qd8) 42...Kf8 (42...Rf5 43.Rd1 Kf6 44.Rd6 Kg7 45.Qe7 Rf7 46.h6 Kg8 47.Rd8 Rf8 48.Qf8) 43.Qe5 Rf7 (43...Rd6 44.Qd6 Ke8 45.f6 Kf7 46.Qe7 Kg8 47.Qe8) 44.Qe6 (44.Qh8 Ke7 45.Rd1 Rf5 46.Qd8 Ke6 47.Rd6 Ke5 48.Qe7 Kf4 49.Rd4) 44...Re7+- 45.Qe7! Ke7 46.f6! Kf6 47.Rg1 h6 48.Rg3 (48.Rg6 Kf5 49.Rb6 Ke5 50.Rg6 Ke4 51.b6 Ke5 52.b7 Ke4 53.b8Q Kd4 54.Qb4 Ke5 55.Ke3 Kd5 56.Qd4) 48...Ke5 49.Rf3 Kd5 50.Re3 Kc5 51.Rd3 Kb5 52.Rc3 (52.f4 Ka6 53.f5 Kb7 54.f6 Kc7 55.f7 Kc8 56.f8Q Kb7 57.c4 Kc7 58.Qe7 Kc6 59.Qd7 Kc5 60.Qb5) 52...Ka6 If Black now only could play f4... 53.Rd3 b5?? (53...Kb5 54.f4 Ka4 55.f5 Kb4 56.f6 b5 57.f7 Ka4 58.f8Q b4 59.Qd6 Kb5 60.Rd5 Kc4 61.Qc6) 54.Rf3 (54.f4 Ka5 55.f5 Kb6 56.f6 Kb7 57.f7 Kc7 58.f8Q Kc6 59.Qc8 Kb6 60.Rd6 Ka5 61.Qc5 Ka4 62.Ra6) 54…Ka5. Training88 (2300) - universe64 (2345), lichess.org, 2020.

6.Nf3 ab5 7.ab5 Ra1 8.Ba1 c6 9.c4 Qa5 10.Nc3 d5 11.bc6 bc6 12.cd5 Nd5 (12...cd5 13.Be2=) 13.Be2 (better 13.Nd5!? cd5 14.Bg7 Kg7 15.Be2=) 13...Nc3=+ 14.Bc3 Bc3 15.dc3 Qc3 16.Nd2 (better 16.Qd2!? Qd2 17.Kd2 Rd8 18.Kc3-/+) 16...Rd8-+ 17.h4 Bf5 18.h5 (better 18.Bc4-+) 18...Rd6?? (better 18...Qb2 19.Rh4 Bc2-+) 19.hg6=+ hg6 20.Rh4 Nd7 21.Rc4 Qa5 (better 21...Qh8 22.Bf1 Ne5-/+) 22.Bf3? Attacking the isolated pawn on c6 (better 22.Qc1=+) 22...Ne5 23.Rc6?? (better 23.Ra4 Nd3 24.Kf1 Nf2 25.Ra5 Nd1 26.Ke2 Nc3 27.Ke1-+) 23...Nf3 (worse 23...Rc6 24.Bc6 Nc6 25.g4-+) 24.gf3 Rc6 (24...Rc6 25.Kf1 Bc2-+) 0-1. brucepeng (2010) - salurt (2010), lichess.org, 2020.

5.e3 c6

6.c4 d5 7.Nf3 Nbd7 8.Nc3 Qc7 (8...e5 9.cd5 cd5 10.d4=) 9.cd5 cd5 10.Rc1 Qd6 11.Be2 e5 12.0-0 (better 12.d4!?+=) 12...d4=+ 13.ed4 ed4 14.Na2? (14.Nb1 d3 15.Ba3 de2 A) 16.Bd6? ed1Q (16...ed1N?! 17.Bf8 Bf8 18.Rfd1-/+) 17.Rfd1 Re8-+; B) 16.Qe2=+) 14...d3-+ 15.Re1 de2 16.Re2 Nb6 17.Nc3 (17.Bd4 Qd8-+) 17...Bg4 18.Re3 (18.Ne4 Ne4 19.Bg7 Rfe8-+) 18...Nfd5 (18...Nc4 19.Qb3 Nb2 20.Qb2-+) 19.Rd3 (19.Nd5 Bb2 20.Nb6 Qb6-+) 19...Nc3 (19...Bf5 20.Rd4 Bd4 21.Nd4-+) 20.Rd6 (20.dc3 Qc7 21.Ba3 Rfd8-+) 20...Nd1 21.Bg7 Kg7 22.Rd1 Bf3 23.gf3 Rfd8 24.Rd8 Rd8 25.Kg2 Rd3 26.a5 Nc4 27.Rc1 (27.a6 ba6 28.ba6 Rd2-+) 27...Nd2 (27...Na5 28.Rc5-+) 28.Rc7 a6 (28...Nf3 29.Rb7 Nd4 30.Rd7-/+; 28...Rf3?! 29.Rd7 Nc4 30.Rb7-+) 29.Rb7 ab5 30.Rb5 Rf3 (better 30...Ra3-+) 31.Rb2 (better 31.Rd5!? Ra3 32.Rd2 Ra5 33.Kf3-/+) 31...Rd3-+ 32.Ra2 Rd7 (better 32...Rd8!?-+) 33.a6-/+ Ra7 34.Rd2 Ra6 35.Rd7 h5 36.h3 Ra3 37.f3 h4 38.Rd2 g5 39.Rd5 (39.Kf2 f5-+) 39...Ra2 40.Kg1 Kg6 41.Rd3 f6 42.Rb3 Kf5 43.Rb5? (better 43.Rb4-+) 43...Kf4 44.Rb3 Kg3 (better 44...f5 45.Rd3-+) 45.Rb1 (45.f4 Kf4 46.Rb4 Kf5 47.Rb5 Kg6-+) 45...Kf3 (better 45...Kh3 46.f4 g4 47.f5-+) 46.Rb3 Kf4 47.Rb4 Kf5 48.Rb5 Kg6 49.Rb3 Re2 50.Rc3 (50.Rb6 Rd2-+) 50...f5 51.Rc6 Kh5 Black prepares g4 52.Rc3 (52.Rc5 Re3-+) 52...g4 53.hg4 Kg4 54.Rc4 f4 55.Rc3 (55.Rc7 h3-+) 55...h3 56.Kf1 (56.Rc8 f3 57.Rg8 Kf4 58.Rf8 Ke4-+) 56...f3 (56...h2 57.Ke2 h1Q 58.Kd2-+) 57.Rc4 (57.Rc8 Rb2-+) 57...Kg3 58.Rc7 h2 (better 58...Re5 59.Rg7 Kh4 60.Rg1-+) 59.Rg7 Kf4 60.Rh7 (60.Rf7 Ke5 61.Rf5 Kd4 (61...Kf5?!) 62.Rd5 Ke3 (62...Kd5?!) 63.Rd3 Kf4 64.Rf3 Kg4 (64...Kf3?!) 65.Ke2 h1Q-+) 60...Ke3 (better 60...Rc2!? 61.Rf7 Ke5 62.Re7 Kf5 63.Rh7-+) 61.Re7 Kd2 62.Rh7 (62.Rd7 Kc2 63.Rc7 Kb2 64.Rb7 Kc1 65.Rb1 Kd2 66.Rd1 Ke3 (66...Kd1?!) 67.Rd3 Kf4 68.Rf3 Kg4 (68...Kf3?!) 69.Ke2 h1Q-+) 62...Kc3 (better 62...Re1!? 63.Kf2-+) 63.Rc7 Kd4 64.Rd7 Kc5 65.Rc7 Kd6 66.Rh7 (66.Rd7 Ke5 (66...Kd7?!) 67.Rd5 Ke4 (67...Kd5?!) 68.Rd4 Kf5 (68...Kd4?!) 69.Rf4 Ke5 (69...Kf4?!) 70.Rf5 Kd4 (70...Kf5?!) 71.Rd5 Kc3 (71...Kd5?!) 72.Rd3 Kc2 (72...Kd3?!) 73.Rf3 h1Q 74.Ke2 Qh2 75.Kf1 Qe5-+) 66...Rg2 67.Rh6 Ke5 68.Rh5 (68.Rh4 Rg1 69.Kf2 h1Q 70.Rh1 Rh1 71.Kf3 Rh3 72.Kg4 Rd3 73.Kg5 Rg3 74.Kh4 Kf4 75.Kh5 Rg4 76.Kh6 Kf5 77.Kh5 Re4 78.Kh6 Re7 79.Kh5 Rh7) 68...Kf4 (better 68...Ke4 69.Rh8 Rg1 70.Kf2 h1Q 71.Rh1 Rh1 72.Kg3 Ke3 73.Kg4 f2 74.Kf5 f1Q 75.Ke6 Qa6 76.Kf7 Rh7 77.Kg8 Qg6 78.Kf8 Qf7) 69.Rh4 (69.Rh8-+) 69...Kg3 (69...Ke3 70.Rh2 Rh2 71.Kg1 Rh4 72.Kf1 Rh1) 70.Rh8 (70.Rh2 Rh2 71.Ke1 Re2 72.Kd1 Ra2 73.Kc1 f2 74.Kb1 Re2 75.Kc1 f1Q) 70…Rg1 0-1. brucepeng (2030) - zigchess (2040), lichess.org, 2021.

6.c4 d5 7.Nf3 Bg4 8.cd5 Nd5 9.Bg7 Kg7 10.Be2 cb5 11.ab5 a6 12.0-0 Nd7 13.Nc3 Nc3 14.dc3 ab5 15.Ra8 Qa8 16.Bb5 Nc5?? (16...Rd8 17.Qd4 Nf6 18.Qf4=) 17.h3 (better 17.Qd4 f6 18.Qg4+-) 17...Bf3 18.Qf3 (worse 18.gf3 Rd8 19.Qb1 Qa5=+) 18...b6 19.c4 (19.Qg3!? Qe4 20.Rd1+=) 19...Qf3= 20.gf3 Rd8 21.Kg2 Rd2 22.Kg3 f6 (22...f5 23.Rb1=+) 23.Kg2 (23.Ra1 g5=) 23...h6 24.Bc6 e5 (24...Rd6 25.Ba8=+) 25.f4 (25.Rb1!?=) 25...ef4=+ 26.ef4 Nd3 27.Kg3 Rc2 28.Bd5 f5 29.f3 Kf6 30.Rd1? (better 30.Rb1 Nb2 31.Re1=+) 30...Nc5?? (better 30...Nc1 31.Re1 Ne2 32.Re2 Re2-+) 31.Rb1+= g5 (better 31...Nd7!?+=) 32.fg5 hg5 33.Rb6 Ke5 34.Rc6 (34.Rg6!? Nb3 35.Re6 Kd4 36.Rf6 f4 37.Kg4 Rg2 38.Kh5+-) 34...Nd3+/- Black intends f4 35.Re6 Kd4 Exerts pressure on the isolated pawn 36.Rf6?? (36.h4 gh4 37.Kh4 Nf4+=) 36...f4 (36...Nf4 37.Rf5 Rg2) 37.Kg4+/- Rg2 38.Kh5 1-0. brucepeng (2010) - exscelsior (2010), lichess.org, 2021.

6.bc6 Nc6 7.Nf3 b6 8.Be2 a5 9.d4 Ba6 10.Ba6 Ra6 11.Qd3 Nb4 12.Qd2 Qc8 13.c3 Ne4 14.Qe2 Nc6 15.Nbd2 Nd2 16.Qd2 e5 17.0-0 ed4 18.cd4+/- d5 19.Rac1 Qb7 20.Ne5 Ne5 21.de5 b5 22.ab5 Qb5 23.Rfd1 Rb8 24.Bd4 a4 25.Ra1 a3 26.Qa2 Rb7 27.Rdb1 Qb1?? 28.Rb1+- Rb1 29.Qb1 a2 (29...a2 30.Qb8 Bf8+-). Fournier,Frederic – SeVieneRamon, 2007.

6.Nf3 cb5 7.ab5 d6 8.c4 Bf5 9.Nc3 Nbd7 10.Be2 Nc5 11.d4 Nce4 12.0-0 b6 (12...Nc3 13.Bc3 Qc7 14.Qb3+=) 13.Bd3 Nc3 14.Bc3 Bd3 15.Qd3 Qc7 16.Rfb1 (16.Rfc1 Rfc8 17.Bb2 Nd7+/-) 16...Nd7 17.Rc1 Rfc8 18.Bb4 Nf8 19.h3 Ne6 20.Rc2 Qb7 21.Rac1 (21.Rca2 Rc7+=) 21...a5 22.ba6 Qa6 23.Bc3 (23.e4 Nf4 24.Qe3 Bh6+=) 23...Qa3 (better 23...Qc4!? 24.Qd2 Qd5-/+) 24.Qd2 (24.Ra1 Qb3 25.Ra8 Qb1 26.Kh2 Ra8+=) 24...Rc4= 25.Bb2 (better 25.Ra1!? Qa1 26.Ba1 Ra1 27.Kh2 Rc2 28.Qc2+/-) 25...Rc2=+ 26.Rc2 Qb3 27.Rc3 Qb5 28.Qc2 h5 (28...d5 29.Rb3 Qa4 30.Qd3-/+) 29.Rc8 (29.Rb3 Qa4=+) 29...Rc8-/+ 30.Qc8 Kh7 31.Qc2 Bf6 32.Ba1 Kg7 33.Kh2 Qa5 (33...Qf1 34.Bc3-/+) 34.Bc3=+ Qb5 35.Qc1 (35.Ba1 Qf1 36.Bc3-/+) 35...Qc4 36.Bb2 (36.Nd2!? Qd3 37.Nf3-/+) 36...Qc1-+ 37.Bc1 Nc7 38.Bb2 d5 39.Ne5 Be5 40.de5 e6 41.Bd4 Kf8?? (41...b5 42.Bc3-+) 42.g4 (better 42.Bb6 Nb5 43.g4=) 42...b5-+ 43.gh5 gh5 44.h4 (44.Bb6 Na6 45.Kg3 b4-+) 44...Ke8 45.Kg3 Kd7 (45...b4!? 46.Bc5 b3 47.Bd4-+) 46.Kf4-/+ b4 47.Kg5 Nb5 48.Kh5?? (better 48.Ba1 Nc3 49.Kh5-/+) 48...b3 (48...Nd4 49.ed4 b3 50.f3-+) 49.Kh6?? (better 49.Bb2 Ke7 50.Kg5=) 49...Nd4-+ 50.ed4 b2 51.Kg7 b1Q (51...Ke7 52.Kg8 b1Q 53.Kh8 Qg1 54.h5 Kf8 55.h6 Qg8) 52.h5 (52.Kf8 Qb4 53.Kg7 Qd4 54.Kf8 Qb4 55.Kf7 Qf4 56.Kg7 Ke7 57.Kh7 Kf7 58.h5 Qg4 59.h6 Qg8) 52...Qc2 (52...Ke8 53.Kg8 Qg1 54.Kh7 Kf8 55.h6 Qg8) 53.h6 Qg6 (53...Ke7 54.Kg8 Qg6 55.Kh8 Kf8 56.h7 Qg7) 54.Kf8 Qh6 55.Kf7 (55.Kg8 Ke7 56.f3 Qg5 57.Kh7 Kf8 58.f4 Qh4) 55…Qf4 (55...Qf4 56.Kg7 Ke7 57.Kg6 Qg4 58.Kh6 Kf7 59.f3 Qg6; 55...Qh5 56.Kg8 Ke8 57.f4 Qf7 58.Kh8 Kf8 59.f5 Qh5) 0-1. brucepeng (2035) - Shackelford (2005), lichess.org, 2021.

6.c4 cb5

7.ab5 d6 8.Nf3 a6 9.Be2 ab5?? 10.Ra8+- b6 11.cb5 (11.cb5 Bf5 12.d3+-; better is 11.Rb8!? Qc7 12.Rc8 Rc8 13.cb5 e5+-) 1–0. delvoe99 – spit, Live Game Caissa's Web, 2004.

5.e3 d6

6.c4 e5 7.Nf3 Nbd7 8.Be2 a5 9.0-0 Nc5 10.Qc2 Bf5 11.d3 Re8 (11...Nd3 12.Bd3 e4 13.Be4 Be4 14.Qd1=) 12.e4= Bg4 13.Nbd2 Nfd7 14.h3 Bf3 15.Nf3 f5 16.ef5 gf5 17.Nd2 Nf6 18.Bf3 e4 19.de4 fe4 (< 19...Nce4 20.Bf6 Bf6 21.Rae1+/- (21.Ne4?! Ba1 22.Ra1 fe4 23.Be4 Qf6+=)) 20.Be2 Qe7 21.Rab1 Nfd7 22.Bg7 Qg7 23.Nb3 Rf8 24.Bg4 Ne5? 25.Nc5+- Ng4 26.Ne6?? Qe5=+ 27.hg4 Qe6 28.Rbe1 Rae8 29.f3 e3 30.Qb2? Qc4-+ 31.b6 c6 32.Rc1 Qd5 33.Rfd1 Qe5 34.Qb3? d5-+ 35.Qd5?? (35...cd5 36.Re1-+; better is 35.Re1-+). ZZMeB4 (1675) – q1q (1635), caissa.com, 2007.

6.Nf3 c6 7.c4 Bg4 8.Be2 Nbd7 9.Nc3 Rc8 10.0-0 e5 11.h3 Bf3 (11...Be6 12.d4=) 12.Bf3+= (worse 12.gf3 d5=+) 12...Re8 13.d3 Nc5 14.d4 Ncd7 (14...ed4 15.ed4 (worse 15.Qd4 Nb3 16.Qf4 Na1 17.Ra1 Nd7-/+) 15...Ne6 16.Re1=) 15.de5 (15.a5 a6+=) 15...Ne5= 16.Re1 (better 16.Be2=) 16...Nc4-/+ 17.Rb1? (17.Qc2 Nb2 18.Qb2 d5-/+) 17...d5?? (better 17...Nb2 18.Rb2 Nd5 19.Nd5 Bb2 (worse 19...cd5 20.Rb1+=) 20.bc6 bc6-+ (20...Rc6?! 21.Qb3 Qa5 22.Rf1-/+)) 18.Ba1-/+ Qa5 19.Ne2 (19.Be2 Nb6-/+) 19...Rcd8 (19...Nd2!? 20.Bc3 Nf3 21.gf3-+) 20.bc6 bc6 21.Nd4 Rc8 22.Qb3? (better 22.Be2-/+) 22...Nd2-+ 23.Qd1?! (23.Qc2 Nb1 24.Rb1-+) 23...Nb1 24.Qb1 Ne4 (24...Qa4 25.Rc1-+) 25.Rd1 (25.Qd1 Nc5-+) 25...Nd2 (better 25...Qa4!? 26.Qd3-+) 26.Qd3 Nf3 27.Nf3 Ba1 28.Ra1 Qc5 29.Nd4 Qc4 (29...Qb4 30.Qc2-+) 30.Qd2 (30.Qc4 dc4 31.Rc1 c5-+) 30...a6 31.Rc1 Qa4 32.Qb2 (32.Rc5-+) 32...c5 33.Nf3 Qb5 34.Qf6 Re6 35.Qg5 Kg7 (35...Qd3 36.Qf4 Qe4 37.Qg3-+) 36.Qg4?! (36.Qd5 c4 37.Qd4 Kg8-+) 36...Rec6 (36...Qd3 37.Ng5 Ree8 38.Ra1-+) 37.Ne5 (37.Qd7 c4 38.Nd4 R6c7-+) 37...R6c7 38.Nf3 c4 39.Qd4 Kg8 40.Ne5 c3 (40...Qc5 41.Qc3 Rd8 42.Rd1-+) 41.Qf4? (41.Ng4 Qc5 42.Nf6 Kh8 43.Nd5 Qd4 44.ed4-+) 41...c2 42.Nd3 (42.Qd4 Qb1 43.Qd2 Qc1 44.Qc1 Rb8-+) 42...Qb1 (better 42...Qd3 43.Qa4-+) 43.e4 (43.Qb4 Qb4 44.Nb4-+) 43...de4 44.Ne1 (44.Ne1 Rd7 45.Nc2 Rd1 46.Rd1 Qd1 47.Kh2 Qc2 48.h4-+). brucepeng (2030) - agus2800 (2025), lichess.org, 2020.

5.g3 a6

6.Nc3 ab5 7.ab5 Ra1

8.Qa1 d5 9.Bg2 c6 10.Nf3=.

4.a4 a6

5.Nc3 ab5 6.ab5 Ra1 7.Qa1 d6=.

5.Nc3 d5 6.e3+=.

5.Nc3 d6 6.e3 e5 (6...0-0 7.Nf3=) 7.Be2 (7.Nf3 0-0=) 7...Bf5 (7...0-0 8.Nf3+=) 8.Nf3 Nbd7 (8...ab5 9.ab5 Ra1 10.Ba1=) 9.Nh4 (9.ba6 ba6 10.d4 e4=) 9...Be6 10.Nf3 0-0 (10...ab5 11.ab5 Ra1 12.Qa1=) 11.0-0 Nc5 (11...ab5 12.ab5 Qe7 13.Ra8 Ra8 14.Ng5=) 12.d4 ed4 13.Nd4 (13.ed4 Nfe4=) 13...Qd7 (13...ab5 14.ab5 Ra1 15.Qa1=) 14.Ne6 (14.ba6 Na6 15.Qd2 Nc5=) 14...Qe6 (14...fe6 15.Bf3=) 15.Bf3 Rab8 (15...Rfe8=) 16.Ba3 (16.Nd5 Nd5 17.Bd5 Qf5 18.Bg7 Kg7 19.Qd4 Qf6+=) 16...Ncd7 (16...Nfe4 17.Ne4 Ne4 18.Rc1=) 17.Rb1= a5 (17...Ne5 18.b6 Nf3 19.Qf3=) 18.Ne2 (18.Nd5 Nd5 19.Bd5 Qe8+=) 18...Ne5 (18...Qc4 19.Nd4=) 19.Nd4 Nf3 20.Nf3 Ne4 21.Rb3 (21.Bb2 Bb2 22.Rb2 Nc3=) 21...f5 (21...Nc3 22.Qe1 Qc4 23.b6+=) 22.Re1 (22.Qd3 Rbe8=) 22...Nc3 (better is 22...c5=) 23.Qc1 (23.Qd3 Na4 24.Ng5 Qe7 25.Qc4 Kh8 26.Nh7 Kh7 27.Qa4 Qe4+=) 23...Ne4 (23...Na4 24.Nd4 Qc4 25.b6 Nb6 26.Bd6 cd6 27.Rb6 Bd4 28.ed4 Qd4 29.Qb1-/+) 24.Nd4 (24.Bb2 Rbe8=) 24...Bd4 (24...Qc4 25.Bb2+=) 25.ed4= Qd5 (25...Qc4 26.Qb2+=) 26.Bb2 Rfe8 (26...Qc4 27.b6=) 27.Rbe3 (27.c4 Qf7+/-) 27...Nf6 (better is 27...Qa2!?+=) 28.c4+- Qf7 29.f3 (better is 29.d5!? Re3 30.Re3+- (30.fe3?! Ne4+=)) 29...Re3+= 30.Re3 Re8 (30...d5+=) 31.Kf2 (better is 31.d5!?+/-) 31...Re3= 32.Ke3 g5 (32...d5 33.c5=) 33.h3 (33.Kf2 f4+=) 33...h5 Black intends g4 (33...d5 34.Kf2 f4 35.c5=) 34.Qc3 (34.d5 f4 35.Kf2 Nd7+=) 34...b6 (34...d5 35.Kf2 b6 36.Qe3+=) 35.d5+/- Kg7 36.g3 (36.Kf2 f4+/-) 36...Kg6 37.Kf2 g4 38.hg4 hg4 39.Qf6 Qf6 40.Bf6 Kf6 41.f4 ½–½. mic (2115) – chessgirlwi (2095), net–chess.com, 2008.

5.c4 ab5 6.cb5 0-0 7.Nc3 c6 8.e3 d5 9.Nf3 e6 10.Be2= c5 11.0-0?? (11.d4 Qa5=) 11...b6?? (better 11...d4-+) 12.Qc2 Bb7 13.d3 Nbd7 14.Nd2 e5 15.Bf3 Qc7 16.Rfc1 d4 17.Ne2 (17.Nce4 Ne4 18.Ne4 Ra5=) 17...Rfe8 (17...Bf3!? 18.gf3 Nd5-/+) 18.Bb7 (18.ed4 ed4 19.Bd4 Bh6 20.Bb7 Qb7 21.Bf6 Re2=) 18...Qb7= 19.Ng3 de3 20.fe3 Nd5 21.Nc4 Nb4 22.Qc3 Re6 23.Ne4 h6 24.Rf1 f5 25.Ned6 (25.Nf2 Nf6+=) 25...Qc7 (25...Qd5 26.e4 Qd4 27.Qd4 ed4 28.ef5 gf5 29.Ra3=+) 26.Nf5 (26.Qb3 Rf8 27.e4 Kh8 28.ef5 Rd6 29.Nd6 Qd6-/+) 26...gf5-/+ 27.Rf5 Rf8 28.Raf1 Rf5 29.Rf5 Rf6 30.Rf6 Bf6 31.a5? (better 31.e4!?=+) 31...ba5-+ 32.d4? (better 32.e4-+) 32...ed4 33.ed4 (33.Qb3 Kg7-+) 33...cd4 (better 33...Bd4 34.Ne3 Bc3 35.Bc3 Qf4-+) 34.Qb3 Kg7 35.Nd2 (35.Ba3 Qc5 36.Qg3 Kh8-+) 35...Qc2 (35...d3 36.Bf6 Kf6 37.Qb2 Qe5 38.Qe5 Ke5 39.Kf2-+) 36.Qc2 Nc2 37.Nf3 (37.Kf2 d3 38.Nc4 a4-+) 37...Nb6 (better 37...a4 38.Kf1 a3 39.Ba3 Na3 40.Ke2-+) 38.Bd4 (38.g4-+) 38...Bd4 39.Nd4 (39.Kf1 a4 40.g4 Be3-+) 39...Nd4 40.Kf2 Nb5 (better 40...a4 41.Ke3 Nb3 42.Kd3-+) 41.Ke3 a4 42.Kd3 a3 43.Kc2 Nc4 44.Kb3 Nd4 (better 44...Nc3 45.Kc3 a2 46.Kc4-+) 45.Ka2 (45.Kc4 a2 46.Kd4 a1Q 47.Ke3 Qg1 48.Kf3 Kg6-+) 45...Nc2 (45...Ne2 46.Kb3-+) 46.g3 Nb4 (46...Na5 47.Kb1 Nb4 48.h3-+) 47.Kb3 a2 48.Kc4 a1Q (48...Na6 49.Kb5 a1Q 50.Kb6 Qf6 51.Kb5 Qf1 52.Kb6 Qc4 53.h4 Nb4 54.g4 Nd5 55.Ka5 Qc5 56.Ka4 Qb4) 49.Kb4 Qb2 50.Kc5 Qh2 51.g4 Qg3 (51...Qg3 52.Kc6 Kf6 53.Kd5 Qf3 54.Kd6 Qg4 55.Kc5 h5 56.Kb5 Qe2 57.Kb6 h4 58.Kb7 h3 59.Ka7 h2 60.Kb6 Qe3 61.Kc7 Qc5 62.Kd7 Qe7 63.Kc6 h1Q 64.Kb5 Qd5 65.Ka4 Qc4 66.Ka5 Qec5) 0-1. Jimito100 (2030) - shahmoradi_1992k (2165), Rated Bullet game, lichess.org, 2020.

5.c4 ab5 6.cb5 0-0 7.Nc3 d5 8.e3 c5 9.Nf3 Bg4 10.Be2 (10.h3 Bf5=+) 10...Nbd7 (10...d4!? 11.Nb1 d3-/+) 11.0-0=+ b6 12.d3 e5 13.Nd2 Be2 14.Ne2 Re8 15.Ng3 Qc7 16.Nb3 Ra7 17.Nd2 Rea8 18.Qc2 Qd6 19.Rfc1 h5 20.Ne2 Ng4 21.Qb3 (21.e4!?=) 21...e4-/+ 22.h3?? (22.Bg7 Qh2 23.Kf1 Qh1 24.Ng1 Nh2 25.Ke2 Qg2 26.Ne4 de4 27.Bb2-+) 22...Qh2-+ 23.Kf1 Qh1 24.Ng1 Bb2 (better 24...Nh2 25.Ke2 ed3 26.Qd3 Bb2 27.Qd5 Nf8-+) 25.Qb2 Nh2 26.Ke2 ed3 (26...Ra4?! 27.de4 Ra1 28.Ra1 Ra1 29.Qa1 de4 30.Qa7-/+; 26...Qg2?! 27.de4 de4 28.Qc2-/+) 27.Kd3 Qg2 28.Ndf3?? (28.Ke2-+) 28...Nf3 29.Nf3 Qf3 30.Rf1 (30.Qe2 Ne5 31.Kd2 Qh3-+) 30...Ra4 31.Kd2 (31.Ra4 Ra4 32.Kd2 Ne5-+) 31...Qe4 (better 31...Ra1 32.Qa1 Ra1 33.Ra1 Qf2 34.Kc1 Qe3 35.Kc2 Qe2 36.Kb1 Ne5 37.Ra4 Nd3 38.Ra8 Kg7 39.Rg8 Kg8 40.h4 Qb2) 32.Ra4 Ra4 33.Rc1 (33.Qb1 Nf6 34.f3 Qe5-+) 33...Qb4 (better 33...Ne5 34.Qc3 d4-+) 34.Ke2 (34.Qb4 Rb4 35.Kc2-+) 34...Qb2 35.Kf3 0-1. Jimito100 (1950) - Coup_de_Grace (2520), Hourly Bullet Arena, lichess.org, 2020.

5.c4 ab5 6.cb5 Ra7 7.Nc3 b6 8.e3 Ra8 9.Nf3 e6 10.Be2 0-0 11.Nd4 (11.d4 Bb7+=) 11...d6 12.Bf3 e5?? (better 12...d5=) 13.Ba8+- ed4 14.0-0?? (better 14.Ne2 d3 15.Nc1+-) 14...dc3= 15.Bc3 Bg4?? (15...Be6 16.d4=) 16.Bf3?? White plans a5 (better 16.Bf6 Bf6 17.Qg4 Ba1 18.Ra1+-) 16...Bf3 17.Qf3 Nbd7 18.a5 Nc5 (better 18...ba5!? 19.d4 d5=) 19.a6+/- Nce4 (better 19...Nfe4 20.Bg7 Kg7+/-) 20.Bd4?? (20.Bf6 Nf6 21.Rfc1 d5+-) 20...Qa8?? (better 20...Nd2 21.Qc6 Nf1 22.Kf1 Qd7-/+) 21.d3 Nc5 22.Qa8 Ra8 23.Bc5 (23.Bf6 Bf6 24.d4 Ne6+/-) 23...bc5 24.Rfb1 Ra7 25.b6?? (better 25.Ra3+=) 25...cb6-/+ 26.Rb6 (better 26.Ra3 Nd7 27.Kf1-/+) 26...Ne8?? (better 26...Nd7 27.Rab1 Nb6 28.Rb6 d5-+) 27.Rb7 Ra8 28.a7?? (better 28.Ra3 Be5 29.f4+-) 28...Ba1-+ 29.Kf1 Kf8 30.Ke2 Nf6 (30...d5 31.g4-+) 31.d4 (31.Rb8 Rb8 32.ab8Q Ne8+-) 31...cd4 (better 31...Kg7 32.dc5 dc5-+) 32.Rb8+- Ke7 (32...Rb8 33.ab8Q Kg7+-) 33.Ra8 d3 (33...de3 34.fe3 Nd7 35.Rc8+-) 34.Kd3 Nd5 35.Re8!! Ke8 36.a8Q Ke7 37.Qd5 Bf6 38.f4 Be5 (38...h6+-) 39.fe5 de5 40.Qe5 Kf8 41.Qh8 Ke7 42.Qh7 g5 43.e4 g4 44.Qf5 g3 45.hg3 f6 46.e5 Kf7 47.Qf6 (47.ef6 Ke8 48.f7 Kd8 49.f8Q Kc7 50.Q8c5 Kd8 51.Qfc8) 47...Ke8 48.Qg7 (48.Qg7 Kd8 49.Qb7 Ke8 50.e6 Kf8 51.Qf7) 1-0. Jimito100 (2000) - amirjimi2 (2135), Weekly Bullet Arena, lichess.org, 2020.

5.c4 ab5 6.cb5 c6 7.Nc3 cb5 8.ab5 Ra1 9.Qa1 d6 10.e3 e5 11.Nf3 Be6 12.Be2 Nbd7 13.0-0 0-0 14.d4 Qe7 (14...e4 15.Nd2 d5 16.Ba3+=) 15.de5+/- Ne5 (15...de5 16.Ba3 Nc5+/-) 16.Nd2 (16.Ne5!? de5 17.Ba3 Qe8+-) 16...Nd5 (16...Rc8 17.Rd1=) 17.Rd1 (17.Nd5!? Bd5 18.f4+-) 17...Nc3 18.Bc3 f6 19.Nf3 Nf3 20.Bf3 Rf7 21.Rc1 d5 22.Bd4 h5 23.b6 Kh7 24.Rc7 Qf8 25.Rf7 (25.Qa5 Qd6+-) 25...Qf7+/- 26.Qc1 f5 27.Qc7 Qc7? (better 27...Bd4!? 28.ed4 f4+/-) 28.bc7+- Bd4 29.ed4 Bc8 30.Be2 (30.Bd5 Kg7+-) 30...g5? (better 30...Kg7=) 31.Bh5+- Kg7 32.Bf3 Kf6 33.Bd5 Ke7 34.Bf3 (34.f4!? Kd6 35.Bb3 g4+-) 34...Kd6+/- 35.d5 (35.Be2!? f4 36.g3 fg3 37.hg3+/-) 35...g4 36.Be2 Kd5 37.h3 Kc6 0-1. Jimito100 (2005) - FeelDizzy (2110), Hourly HyperBullet Arena, lichess.org, 2020.

5.d4 0-0 6.e3 Re8 7.Bc1 (7.Nf3 d5=) 7...c6 8.Bb2 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Qa5 12.Nc3 Ne4 (12...e5 13.Nge2 ed4 14.Nd4 Ne4=) 13.Nge2=+ e5 14.0-0 ed4 (14...Nc3 15.Nc3 ed4 16.ed4=+) 15.ed4 (better 15.Ne4!? Re4 16.Qd3+/-) 15...Nc3=+ 16.Nc3 Nc6 17.Bc6 (17.Bc4!? Nd4 18.Nb5 Nb5 19.Qd5=+) 17...bc6 18.Ne2? (better 18.Qd2-/+) 18...Ba6-+ 19.Re1 (19.Nf4 Bf1 20.Kf1-+) 19...Re2 20.Re2 Be2 21.Qe2 (21.Qc1 Bh6! 22.Qb1 Qd2-+) 21...Qa1 22.Qf1 0-1. Training88 (2305) - zsolti_83 (2490), Rated Bullet game, lichess.org, 2020.

5.e3 0-0 6.Nf3 d5 7.Be2 c5 8.0-0 Nbd7 9.c4 dc4 10.Na3 ab5 11.ab5 Nb6 12.Nc4 Ra1 13.Qa1 Nbd5 14.Rc1 Nb4 15.d4 b6 16.Nfe5 Bb7 17.dc5 bc5 18.Rd1 Qc7 19.Qa5 Qb8 20.Qb6 Rc8 21.Nd7 Nd7 22.Rd7 Bd5 23.Bg7 Kg7 24.Qb8 Rb8 25.Na5 e6 26.f3 Ba2 27.Bc4 Bc4 28.Nc4 Kf6 29.b6 Nd5 30.f4 e5 31.Ne5 Ke6 32.Ra7 Rb6 33.Rf7 Ne3 34.Rh7 Rb1 35.Kf2 Nf5 36.Kf3 Rb2 37.Kg4 Rb4 38.g3 Ne3 39.Kg5 Nf5 40.Kg6 Ne3 41.Rh6 1-0. Bostonbliz (2530) - Zobbie (2500), Rated bullet game, lichess.org, 2022.

5.e3 ab5 6.ab5 Ra1 7.Ba1 0-0 8.h3 c6 9.g4 d6 10.h4 e5 11.h5 g5 12.h6 Bh8 13.d4 Bg4 14.Qd2 Ne4 15.Qd3 Bf5 16.Qc4 d5 17.Qa2 ed4 18.ed4 Qe7 19.Nf3 Ng3 20.Kd1 Nh1 21.Bd3 Nf2 22.Kd2 Nd3 23.cd3 g4 24.Ne5 Qg5 25.Kc3 Qc1 26.Qc2 Qc2 27.Kc2 Be5 28.de5 Re8 29.Kd2 Nd7 30.d4 c5 31.Nc3 cd4 32.Nd5 d3 33.b6 Ne5 34.Nf6 Kf8 35.Ne8 Ke8 36.Be5 Ke7 37.Bg3 Kf6 38.Bf4 Ke6 39.Bg3 f6 40.Bf4 Bg6 41.Bg3 f5 42.Bf4 Kd5 43.Kd3 Kc5 44.Bc7 f4 45.Ke2 Bf5 46.Kf2 f3 47.Kg3 Kd4 48.Kf2 Kd3 49.Bg3 Kd2 50.Bf4 Kd3 51.Bg3 Ke4 52.Bh4 Kd5 53.Ke3 Kc6 54.Kf4 Bd7 55.Bf2 Kd5 56.Kg5 Ke5 57.Bg3 Ke4 58.Bf2 Kd3 59.Kf6 Ke2 60.Bc5 f2 61.Bf2 Kf2 62.Kg7 Bf5 63.Kf6 Be4 64.Ke5 Bc6 65.Kf6 g3 66.Kg7 Be4 67.Kf6 g2 68.Ke5 Bg6 69.Kd6 g1Q 70.Kc7 Qg2 71.Kb8 1–0. sadol – w390, lichess.org, 2018.

5.c4 ab5 6.ab5 Ra1

7.Ba1 0-0 8.e3 b6 9.Nf3 Bb7 10.Be2 d5 11.0-0 dc4 12.Bc4 Nbd7 13.Nc3 Re8 (13...Bf3 14.Qf3 Ne5 15.Qf4 Nc4 16.Qc4+=) 14.Be2 (14.Bf7 Kf7 15.Ng5 Kg8 16.Qb3 e6 17.Ne6 Re6 18.Qe6 Kf8+-) 14...e6 (14...c5 15.bc6 Bc6 16.Nb5=) 15.h3 (15.d4 c5+=) 15...Nc5 (15...e5 16.d4=) 16.Nd4 (16.d4 Nce4+=) 16...Nfe4 17.Bf3 (17.Ne4 Ne4 18.Qc2 e5=) 17...Nc3 18.Bc3 Ne4 (18...e5 19.Nc6 Qd3 20.Be2=+) 19.Bb2 (19.Qc2 e5 20.Ne6 Re6 21.Be4 Be4 22.Qe4 Qe8=) 19...Qd7 (19...e5 20.Ne2=) 20.Qc2+= Rd8?? (better 20...Bd4 21.Bd4 e5+=) 21.Be4+- Be4 22.Qe4 e5 (22...Qd5 23.f3+-) 23.Nc6 f5 (23...Qd3 24.Qd3 Rd3+-) 24.Qc4 (24.Qc4 Kh8 25.Ne5+-) 1–0. RichardSommer (2095) – NonaJeje (2010), lichess.org, 2020.

7.Ba1 0-0 8.e3 c6 9.Nf3 d5 10.Nc3 dc4 11.Bc4 cb5 12.Nb5 Nc6 13.0-0 Bg4 14.Be2 Qb6 15.Nbd4 Nd4 16.Bd4 Qc7 17.Ne5 (17.Be5 Qd7+=) 17...Be2= 18.Qe2 Rd8 19.Rb1 (19.Qf3 Rd5=) 19...Nd7 (19...Nd5 20.Nf3=+) 20.Nf3= b6 (20...e5!? 21.Bc3 e4=) 21.Bg7+= Kg7 22.d4 Qc6 23.Qb5 (23.Qd2 Rc8+=) 23...Qb5= 24.Rb5 Rb8 25.g3 f6 (25...Ra8 26.Kg2=) 26.Nd2 e5 27.d5 Nc5 (27...Rc8 28.Kf1=) 28.Nc4+= Rd8 (28...Nd7!?+=) 29.Nb6+- Ne4 30.f3 Nc3 (30...Nd2 31.f4+-) 31.Rc5+- Nd5? (better 31...Rb8+-) 32.Rd5 Rb8 (32...Rd5 33.Nd5 h6 34.e4+-) 33.Nd7 (better 33.Rd7 Kg8 34.Nd5+-) 33...Kh6 (33...Rb1 34.Kg2 Rb2 35.Kh3 Rb3+-) 34.Nf6 (better 34.Nb8 g5 35.Nd7+-) 34...Rb1 35.Kg2 Rb6 (35...Kg7 36.Ng4+-) 36.Ng4 Kg7 37.Re5 (37.Rd7 Kf8+-) 37...Kf8 (37...Kf7 38.Rd5+-) 38.Kh3 (38.Ra5 Rb7+-) 38...h5 39.Nh6 (better 39.Nf2+-) 39...g5 (39...Kg7+-) 40.Nf5 (40.Nf5 Rb2 41.g4 hg4 42.fg4+-) 1–0. RichardSommer (2130) – Dewarfd (2085), lichess.org, 2020.

7.Ba1 0-0 8.e3 e6 9.Nf3 c6 10.Be2 cb5 11.cb5 d5 12.Nc3 (12.0-0 Nbd7+=) 12...Bd7 13.0-0 Qe8 14.Qb3 Bc8 (14...Qe7 15.Bb2 Rc8 16.Ra1+=) 15.Bb2+- Nbd7? (better 15...Qd8!?+-) 16.Ba3+- Nb6 (16...Kh8 17.Bf8 Qf8 18.Rc1+-) 17.Bf8 (17.d4 Qd8 18.Bf8 Bf8+-) 17...Bf8 18.d4 Nc4? (18...Bd6+-) 19.Bc4 dc4 20.Qc4 Bd7 21.Ne5 Nd5 (21...Bd6 22.Ra1+-) 22.Nd5 ed5 23.Qd5 Be6 (23...Bb5 24.Rc1 Bc6 25.Nc6 bc6 26.Qc6 Qd8+-) 24.Qb7 Qe7 (24...f6 25.Nc6 Bf7 26.b6+-) 25.Qe7 Be7 26.b6 Bd5 27.Rb1 Bb7 28.Nd3 (28.Ra1 Bd8 29.Ra7 Be4+-) 28...Ba3 (28...Kf8 29.Ra1+-) 29.Nc5 Bc5 30.dc5 Kf8 31.Ra1 Ke7 (31...Ke8 32.Ra7 Bd5+-) 32.Ra7 Ke6 33.Rb7 Kf6 34.Rc7 (34.Rc7 Kg7 35.b7 Kf6 36.b8Q Ke5 37.Qe8 Kd5 38.Qf7 Ke4 39.Rd7 h6 40.Qe6) 1–0. BeepBeepImAJeep (2525) – widi23, lichess.org, 2018.

7.Ba1 b6 8.e3 Bb7 9.Nf3 0-0 10.Be2 d6 11.0-0 Nbd7 12.h3 e5 13.Nc3 e4 14.Nd4 Nc5 (14...Ne5 15.f4 ef3 16.Nf3 Bf3 17.gf3=) 15.f3+= Re8 16.fe4 Nfe4 17.Bf3 (17.Ne4 Ne4 18.Bf3 d5 19.cd5 Bd5=) 17...Qg5 (17...d5 18.Nd5 Ng3 19.Nc2 Nf1 20.Qf1=) 18.Ne4 Ne4 19.Qc2 (19.Nc2 Ba1 20.Qa1 Ra8=) 19...Be5 20.Nc6 (20.Be4? Be4 21.Qe4 Bh2 22.Kh2 Re4-+) 20...Ng3? (20...Bc6 21.Be5 Qe5 22.bc6 f5=) 21.Be5?? (21.Ne5 Nf1 22.Ng4 Bf3 23.Nf6 Qf6 24.Bf6 Be4+-) 21...Nf1?? (better 21...de5 22.Rf2 e4=+) 22.Bf4+- Ne3 23.Be3 (23.Bg5 Nc2 24.Ne7 Kg7 25.Bb7 f6-/+; 23.de3?! Qf6 24.Qd3 g5+-) 23...Qf6 24.Ne7 (24.Bd4 Qf4 25.Qc3 Re1 26.Kf2 Re8+-) 24...Re7+- 25.Bb7 c5? (25...Qe5 26.Qa4+-) 26.Bd5 (better 26.bc6 Qa1 27.Kh2 Qe5 28.g3+-) 26...Kg7 27.Qd1 Ra7 28.Qg4 Ra1 29.Kh2 h6 30.Qf4 Qb2?? (better 30...g5 31.Qf6 Kf6+-) 31.Qh6 (31.Qh6 Kg8 32.Qg6 Qg7 33.Qd6+-; 31.Qf7 Kh8 32.Qg8) 1–0. RichardSommer (2005) – Rammms (2005), lichess.org, 2020.

7.Ba1 b6 8.e3 Bb7 9.Nf3 0-0 10.Be2 e6 11.0-0 c6 12.d4 cb5 13.cb5 d6 14.Nbd2 (14.Nc3 Nbd7=) 14...Nbd7 15.Nc4 (15.Bb2 Qe7=) 15...Qe7 16.Bb2 d5? (better 16...Ne4=) 17.Ba3+- Qd8 18.Bf8 Bf8 19.Nce5 Ne5 20.Ne5 Ne4 21.Qc2 Bd6 22.Nc6 Qh4 Do you see the mate threat? 23.f4 g5? (23...f5 24.Bd3+-) 24.Bd3 (better 24.Nd8 gf4 25.Nb7 fe3 26.Nd6 Nd6 27.Qc7+-) 24...gf4 25.Be4 fe3?? (better 25...de4 26.Qe4 Qg5+-) 26.Bh7! Kh8 Threatening mate: Qxh2 (26...Qh7 27.Qh7) 27.g3 Qh7 (27...Qg4 28.Bd3 Bc6 29.Qc6+-) 28.Qh7 Kh7 29.Rf7 Kg6 30.Rb7 Ba3 (30...Kf5 31.Kf1 e5 32.Rf7 Kg6 33.Rd7+-) 31.Kf1 (31.Ne5 Kh6 32.Rb6 Kg5 33.Re6 Kf5+-) 31...Bc1 (31...Kf5 32.Ke2 Bc1 33.Rb6+-) 32.Ke2 Bd2 (32...Kf5 33.Rb6 Ba3 34.Ke3+-) 33.Ne5 Kf5 34.Nf3 (34.Rf7 Kg5 35.h4 Kh6 36.g4 Bc1 37.g5 Kh5 38.Rh7) 34...Bc1 35.Rf7 Ke4 (35...Kg4+-) 36.Rf4 1–0. BeepBeepImAJeep (2590) – Rummstein (2045), lichess.org, 2017.

4.a4 b6

5.e3 Bb7 6.c4 0-0 7.Nf3 d6 8.Be2 Nbd7 9.0-0 e5 10.d4 e4 11.Nfd2 d5 (11...a6!?+=) 12.Nc3+/- c6 13.Rc1 (13.bc6!? Bc6 14.Qb3+/-) 13...Qe7+= 14.Re1 Rac8 (14...Rfc8 15.Qb3 dc4 16.Bc4+=) 15.Bf1 (15.bc6 Bc6 16.cd5 Nd5+/-) 15...Rfd8 16.g3 (16.cd5 cd5 17.Be2 Qd6+=) 16...Nf8 (16...Qb4 17.Qc2=) 17.Bg2 (17.cd5 cd5 18.Bg2 Ne6=) 17...Ne6 (17...dc4 18.Nce4 Ne4 19.Be4 cb5 20.Bb7 Qb7 21.ab5=) 18.Qb3 (18.bc6 Bc6 19.cd5 Nd5 20.Nd5 Bd5 21.Rc8 Rc8 22.Ne4 Qd7+=) 18...dc4= 19.Nc4 cb5 20.ab5 Bd5 (20...Ng5!?=) 21.Nd5+/- Rd5 22.Ne5 (22.Nd2 Rc1 23.Rc1 Qd7+/-) 22...Rc1 23.Rc1 (23.Bc1?! Qe8=) 23...Qd8 (23...Qe8 24.Nc6+/-) 24.Nc6+- Qd7 (better 24...Qe8+-) 25.Ne5?? (better 25.Be4!? Rb5 26.Qb5 Ne4 27.Ba3+-) 25...Qd8 (25...Qb5 26.Rc8 Bf8 27.Qa2+=) 26.Nc6 Qd6?? (26...Qd7 27.Be4 Rh5+-) 27.Na7 (better 27.Ba3 Qd7 28.Ne7 Kh8 29.Nd5 Nd5 30.Be4 Ne7+-) 27...Nc7 (better 27...Qd7!? 28.Rc8 Bf8+-) 28.Ba3+- Qd7 29.Nc6 (29.Be4 Ne4 30.Rc7 Qc7 31.Qd5 h6+-) 29...Rb5 (better 29...Bf8 30.Bf8 Kf8+-) 30.Qc4 Nfd5 31.Ne5 (31.Be4 Bf6+-) 31...Qd8? (31...Be5 32.de5 Ra5+/-) 32.Bh3?? (better 32.Be4 Be5 33.de5+-) 32...Be5+= 33.de5 Qe8 (better 33...Ra5 34.Bb2 Rc5 35.Qe4 Rc1 36.Bc1 Nc3+/-) 34.Rd1?? (better 34.Bd6!?+-) 34...Ra5 (34...Qe5 35.Bf1 Ra5-/+) 35.e6?? (35.Bd6 Ra4 36.Qc2 Ra7+/-) 35...fe6?? (35...Ra3 36.Rd5 A) 36...fe6 37.Rd6 Ra7 A1) 38.Rb6?! Qa4 39.Be6 Ne6 40.Qe6 Rf7+/-; A2) worse 38.Qe4 Ra1 39.Kg2 Qa8 40.Qa8 Ra8+/- (40...Na8? 41.Rd7+-); A3) 38.Be6 Kf8 39.Bg4+-; B) 36...Nd5 37.Qd5 Ra1 38.Kg2 f6-/+) 36.Bb2 (36.Bd6+=) 36...Kf7 (better 36...Qa4!? 37.Qa4 Ra4=) 37.Qd4 Qg8 38.Be6?? (38.Qe4 Rc5 39.Qf3 Ke8 40.e4+-) 38...Ne6-+ 39.Qe5 (better 39.Qe4 Ng5 40.Qc4-+) 39...Ne3?? (39...Ne7 40.Qf6 Ke8 41.Rd6-+) 40.Qe4?? (better 40.Rd7 Ke8 41.Qb8 Kd7 42.Qg8+/-) 40...Nd1-+ 41.Qb7 Nc7 (41...Nc7 42.Qc7 Ke8 43.Qb8 Kf7 44.Qc7 Kf8 45.Qd8 Kf7 46.Qd7 Kf8 47.Qd8 Kf7 48.Qd7 Kf8 49.Qd8=) 0-1. CronusCR (2205) - plushch_boggdan (2020), Monthly HyperBullet Arena, lichess.org, 2017.

5.e3 Bb7 6.c4 d6 7.Nf3 Nbd7 8.Nc3 0-0 9.Be2 e5 10.0-0 Qe7 11.a5 Rfe8 (11...ba5 12.d4=) 12.a6+= Bc8 13.d3 Nc5 14.d4 ed4 15.Nd4 Nce4 16.Bf3 Rb8?? (better 16...Bd7+/-) 17.Nc6+- Nc3 (17...Qf8 18.Ne4 Ne4 19.Bg7 Qg7 20.Nb8+-) 18.Bc3 1-0. brucepeng (2025) - amirhossein207 (2020), lichess.org, 2021.

5.e3 Bb7 6.Nf3 d6 7.c4 e5 8.Be2 Nbd7 9.0-0 0-0 10.Nc3 Re8 11.d3 h6 12.a5 d5? (12...a6!?=) 13.cd5 (better 13.a6!? Bc8 14.cd5+-) 13...Nd5+/- 14.Nd5 Bd5 15.a6 (15.e4!? Be6 16.Qc2+/-) 15...c5= 16.bc6 Bc6 17.Rc1 Rc8 18.d4 ed4 19.Nd4 Ba8 20.Ba1 Nc5 21.Bf3 (21.Bb5 Re4=) 21...Ne4 (21...Qd7 22.Ba8 Ra8 23.Qf3=+) 22.Rc8 Qc8 23.Qb1?? (better 23.Qe2=) 23...Nd2-+ (23...Qa6?! 24.Rd1=+) 24.Qb5 Nf1 25.Kf1? (better 25.Bb7 Bb7 26.ab7-+) 25...Qc1 26.Ke2 Bf3 27.Kf3 Qd1 (better 27...Re5 28.Bb2 Qb1-+ (worse 28...Rb5 29.Bc1 Ra5 30.Nc6 Ra6 31.e4-+)) 28.Kg3?? (28.Ne2 Rd8 29.Bd4-+) 28...Re5 (28...Qa1?! 29.Qe8 Bf8 30.Qc8=) 29.Qc4 (29.Qe2 Rg5 30.Kh3 Qe2 31.Ne2 Ba1 32.Nf4-+) 29...Rg5 30.Kh3 Qg4 0-1. brucepeng (2065) - Gnobob (2065), lichess.org, 2021.

5.e3 Bb7 6.Nf3 e6 7.c4 Qe7 8.Be2 d6 9.Nc3 Nbd7 10.0-0 0-0-0? (better 10...0-0!?=) 11.a5+/- Kb8 12.ab6 ab6 13.Nd4 d5? (13...Qe8 14.d3+-) 14.Bf3?? (better 14.Qa4 Kc8 15.Nc6+-) 14...Ne4 15.Nc6 Bc6 16.bc6 Ne5?? (better 16...Nc3 17.Bc3 Bc3 18.dc3 Nc5+-) 17.Qa4 Nc6 (17...Nf3 18.Kh1 Ng3 19.fg3 Qa3 20.Ra3 Bc3 21.Qa8) 18.Qa8 1-0. brucepeng (2035) - jeckmor (2000), lichess.org, 2021.

5.g3 Bb7

4.a4 c6

5.e3 0-0 6.Nf3 d5 7.Be2 Re8 8.0-0 Bg4 9.h3 Bf3 10.Bf3 Nbd7 11.d4 Qc7 12.c4 e5 13.cd5 cd5 14.Qb3 e4 15.Be2 Qd6 16.a5 h5 (16...Rac8 17.Nc3+=) 17.Ba3 Qe6 18.Nc3 g5 19.Rac1 Rac8 20.Na4 Rc1 (20...g4!? 21.hg4 hg4+=) 21.Rc1+/- (21.Bc1?! Rc8+=) 21...Bf8 22.Nc5 (22.a6 b6+/-) 22...Bc5 23.dc5 (worse 23.Rc5 Nc5 24.dc5 g4 25.hg4 Ng4-/+) 23...Ne5 24.a6 Nf3?? (better 24...ba6 25.ba6 g4 26.hg4 hg4+=) 25.gf3+- ef3 (25...ba6 26.fe4 (worse 26.ba6 Qh3 27.Qd1 g4 28.fg4 Ng4 29.Bg4 hg4+-) 26...Qh3 27.c6+-) 26.Bf3 Qh3 (26...ba6 27.ba6 g4 28.hg4 hg4 29.Bg2 Qa6 30.c6+-) 27.Bg2 Qg4 (27...Qc8 28.Bb2 Re6 29.f4 ba6 30.f5+-) 28.ab7 h4 (28...Qh4 29.c6 Ng4 30.Qa2 Qh2 31.Kf1+-) 29.Qd1 Qd1 (29...Qd7 30.c6 Qc7 31.Bd6 Qd6 32.c7+-) 30.Rd1 g4 (30...Rb8 31.c6 Ne8+-) 31.c6 h3 32.c7 1-0. DEFFM – GuestPMTY, freechess.org, 2021.

5.e3 d5 6.c4 0-0 7.Nf3 dc4 8.Bc4 cb5 9.ab5 a6 10.Nc3 e6 (10...Bg4 11.d4=) 11.Be2 Bd7 12.0-0 Qb6 13.Ba3 Rd8 14.Qc2 (14.d4 Bb5 15.Qb3 Nc6+=) 14...Nd5 15.Nd5 ed5 16.Rab1 (better 16.Bc5 Rc8 17.d4+=) 16...Qa5?? (16...Bf5 17.Bd3 ab5 18.Bb2 Bb2 19.Rb2 Bd3 20.Qd3=) 17.Be7 (better 17.Bb4!? Qb6 18.ba6+-) 17...Rc8 (17...Re8 18.Bb4 Qd8 19.d4=) 18.Qb3+= ab5 (18...Be6 19.ba6 ba6 20.d4+=) 19.Qd5 Bc6 20.Qb3 Nd7 (20...Qa2 21.Rfc1+=) 21.Bb4 (21.d4 Qc7+/-) 21...Qa4+= 22.Qa4 (better 22.d4!?+=) 22...ba4-/+ (worse 22...Ra4 23.Rfc1+=) 23.Nd4 (23.Ba3 Bd5-/+) 23...a3 (23...Bd4 24.ed4 a3 25.Ra1-+) 24.Ra1 (24.Nc6 bc6 25.d4 c5-/+) 24...a2 (24...Bd4 25.ed4 a2 26.Rfc1-+) 25.Bc4 (better 25.Nc6!? bc6 26.d4-/+) 25...Ra4 26.Nc6 bc6 27.Bf7?? (27.Ra2 Rb4 28.Rc1-+) 27...Kf7 28.Bc3 (28.d4 Rb8 29.Bd6 Rb5-+) 28...Bc3 29.dc3 Rb8 30.g3 (30.f4 Nc5 31.Rad1 Rb2-+) 30...Rb2 31.Kg2 Ne5 (31...Nc5!? 32.Rad1-+) 32.Rfd1 Ke6 33.h4 (33.Rd4 Rd4 34.cd4 Nc4-+) 33...Nc4 34.Rd4 (34.Kf3-+) 34...Ne3 35.Kf3 Nc2 (better 35...Rd4 36.cd4 Nc2 37.Ra2 Ra2 38.Ke4-+) 36.Ra4 Na1 37.Ke3 Nb3 38.Kd3 (38.Ra6 a1Q 39.Ra1 Na1-+) 38...a1Q (38...Nc5 39.Kd4 Na4 40.Ke3 a1Q 41.h5 Qe1 42.Kf4 Rf2 43.Kg5 Qe3 44.Kg4 Qf3 45.Kg5 Qh5) 39.Ra1 Na1 40.c4 (40.f3 Nc2-+) 40…Rf2 0-1. brucepeng (2040) - zeMAze (2025), lichess.org, 2020.

4.a4 d5

5.c4 e6 6.e3 c6 7.Nf3 0-0 8.Be2 Nbd7 9.0-0 a6 10.Nc3 (10.d4 ab5 11.ab5 Ra1 12.Ba1 dc4 13.bc6 bc6 14.Bc4 c5=) 10...ab5 11.ab5 Ra1 12.Qa1 Nc5 (12...dc4 13.bc6 bc6 14.Bc4=) 13.d4 Nce4 14.Ne4 Ne4 15.Rc1 Re8 16.bc6 bc6 17.cd5 cd5 18.Bb5 (18.Qa7 Bf8+-) 18...Bd7+= 19.Qa4 (19.Bd3 Qb6=) 19...Bb5= 20.Qb5 Qe7 (20...Qb8 21.Qe2=) 21.Ba3 Qd8 22.Ne5 Be5 23.de5 Qa8 24.f3 (24.Qd7 Qd8 25.Qd8 Rd8=) 24...Rb8 (24...Qa3 25.Qe8 Kg7 26.fe4 Qe3 27.Kf1 Qc1 28.Ke2 Qc2 29.Kf1 Qd3 30.Kg1 Qe4 31.g3-+) 25.Qd3= Nd2 26.Bd6 Rb2 27.Rc2 (27.Qa3!? Qa3 28.Ba3=) 27...Rc2 28.Qc2 Nc4 29.Kf2 (29.Qc3 Qa7-/+) 29...Qa7 (29...Qd8 30.g3-/+) 30.Qc3 Qa2 (30...f5 31.Qd4 Qd4 32.ed4 Nd6 33.ed6-/+) 31.Kg3 Qe2 (31...h6 32.Bc5=+) 32.Bc5 (better 32.Qb4!? Qb2 33.Qc5=) 32...h5 33.h4 Kg7 34.Bd4 (34.Qd4 Qe1 35.Kh3 Nd2=) 34...Qa2 (34...Nd2 35.Kh3 Nf1-+) 35.Qb4 Qa6 36.Qc5 Qb6?? (better 36...Qa5 37.Qa5 Na5=) 37.Kh3 (better 37.Qb6 Nb6 38.Bb6+-) 37...Qc5-/+ 38.Bc5 Nd2 (better 38...Ne5 39.Bd6 Nd3-+) 39.Bd4 Nc4 40.Kg3 Kh7 41.Kf4 Nd2 42.g4 (better 42.e4+=) 42...Nc4 (42...hg4 43.Kg4 Kg7 44.Kf4=) 43.Kg5 (better 43.gh5!? Nd2 44.hg6 fg6 45.Bc3+-) 43...hg4= 44.fg4 Nd2 45.Kf6 (better 45.h5=) 45...Ne4?? (better 45...Kg8=+) 46.Kf7+- Nf2 (46...g5 47.Ke6 gh4+-) 47.g5 Ng4 (47...Ne4 48.Ke6 Ng3+-) 48.Ke6 Nf2 49.Kd5 (49.Kd7 Kg7 50.e6 Kg8 51.e7 Kh7 52.e8Q Ne4 53.Qf7) 49...Ne4 50.Ke4 (50.e6 Kg8 51.Ke4 Kf8 52.Kd5 Ke7 53.Bf6 Ke8 54.Kc6 Kf8 55.e7 Ke8 56.e4 Kf7 57.Kd7 Kg8 58.e8Q Kh7 59.Qf7) 50...Kg7 51.e6 Kf8 (51...Kg8 52.Ke5 Kg7 53.Kd6 Kf8 54.e7 Ke8 55.e4 Kf7 56.Kd7 Kg8 57.e8Q Kh7 58.Qf7) 52.Ke5 (52.Kd5 Ke7 53.Bf6 Ke8 54.Kd6 Kf8 55.e7 Ke8 56.e4 Kf7 57.Kd7 Kg8 58.e8Q Kh7 59.Qf7) 52...Ke8 (52...Kg7 53.Kd6 Kf8 54.e7 Ke8 55.e4 Kf7 56.Kd7 Kg8 57.e8Q Kh7 58.Qf7) 53.Bc5 (53.Bc5 Kd8 54.Kd6 Kc8 55.e7 Kb7 56.e8Q Ka6 57.Kc6 Ka5 58.Qa8; 53.Kd6 Kd8 54.e7 Ke8 55.e4 Kf7 56.Kd7 Kg8 57.e8Q Kh7 58.Qf7) 1–0. BeepBeepImAJeep (2500) – pidargi (2275), lichess.org, 2018.

5.d3 0-0 6.Nf3 Re8 (6...c5 7.e3+=) 7.Nc3 (7.e3 c5=) 7...Bg4 (7...d4 8.Ne4 Ne4 9.de4+=) 8.h3 (8.e3 c5+=) 8...Bf3 9.gf3 d4 10.Ne4 Ne4 11.fe4 e5 (11...Qd6 12.Qd2+=) 12.h4 c5 (12...h5 13.c3=) 13.h5 g5 14.c3 h6 15.Bh3 Qa5 16.Qb3 Qc7 (16...a6 17.Rg1=) 17.Bf5 Nd7 18.a5 b6 (18...Nf6 19.a6+=) 19.Qd5+/- Red8 20.ab6 (better is 20.Qc6 Rac8 21.Qc7 Rc7 22.c4+/-) 20...ab6?? (better is 20...Nb6 21.Qa2 c4=) 21.Ra8+- Ra8 22.Qa8 (22.Bd7?! Rd8=) 22...Nf8 23.Rg1 c4 (23...Kh8 24.Rg3+-) 24.Qc6 Qa7 25.Qc4 Bf6 (25...Qa5 26.e3+-) 26.Kd2 (26.cd4 Qe7+-) 26...Kg7 (26...dc3 27.Qc3 Bg7 28.Ra1+-) 27.cd4 ed4 (27...Qe7 28.e3+-) 28.Bd4 Bd4 29.Qd4 f6 30.Rc1 Kf7 31.Rc6 Qe7 32.Qc4 Kg7 33.Rc7 Qc7 (33...Ng6 34.Bg6 Qc7 35.Qc7 Kg8 36.Qf7 Kh8 37.Qf8) 34.Qc7 Kg8 (34...Nd7 35.Qd7 Kg8 36.Be6 Kh8 37.Qe8 Kg7 38.Qg8) 35.Bg6 Ng6 (35...Kh8 36.Qf7 Ng6 37.hg6 h5 38.Qf8) 36.hg6 h5 37.Qf7 (37.Qf7 Kh8 38.Qf8) 1–0. Janek – Lqq6g, internet, 2019.

5.e3 a6 6.c4 0-0 7.c5 Nh5 (7...Bg4 8.f3 Bc8 9.d4=+) 8.Bg7= h6?? (8...Ng7 9.d4=) 9.Nc3 (9.Bf8 Qf8 10.Nc3 Nf6+-) 9...e6?? (9...Kg7 10.d4+=) 10.Qc2 (better 10.Bf8 Qf8 11.d4 b6 12.cb6 cb6+-) 10...Re8?? (10...Ng7 11.Nf3+=) 11.Rd1 (better 11.Bh6 Kh7 12.g4 Kh6 13.gh5 gh5 14.Nf3+-) 11...Qf6?? (11...Ng7 12.d4+=) 12.Ke2 (12.Bf6!? Nf6 13.d4 b6+-) 12...Nd7?? (better 12...Ng7 13.Nf3 b6=) 13.c6 (13.Bf6 Ndf6 14.ba6 ba6+-) 13...Rd8?? (better 13...Ng7 14.cd7 Bd7+-) 14.cb7 (better 14.Bf6 Ndf6 15.cb7 Bb7 16.d4+-) 14...c6 (14...Bb7 15.Bf6 Nhf6 16.d4+-) 15.Qg6! ab5 (15...fg6 16.ba8Q) 16.ab5 (better 16.Bf6 fg6 17.ba8Q Ndf6 18.Qc6 ba4 19.Na4 Ng7+-) 16...Ra4 (16...Bb7 17.Bf6 fg6 18.Bd8 Rd8 19.bc6 Bc6+-) 17.Na2 (better 17.Bf6 fg6 18.Bd8 Bb7 19.Na4 cb5 20.Rb1+-) 17...Qa1 (better 17...Qg6 18.bc8B Rc8-+ (18...Qg7?! 19.Bd7 Rd7 20.Nc3-+; 18...Ng7?! 19.Bd7 Rd7 20.Nc3-+; worse 18...Kg7 19.Bd7 Nf4 20.Ke1 Ng2 21.Ke2 Rd7 22.bc6-+; 18...Ra2?! 19.Bd7 Nf4 20.Kf3 Kg7 21.ef4-+)) 18.Nc3 (better 18.Ba1 fg6 19.Nc3+-) 18...Rg4 (18...fg6 19.Ra1 Ra1 20.bc8Q Rc8+-) 19.b8N (better 19.Qg4 Qd1 20.Kd1 Ng7 21.bc6 Bb7+-) 19...Ndf6 (19...Qd1 20.Kd1 Rg6 21.Nc6+-) 20.Ne4 (20.Qh6 Qd1 21.Kd1 Rg7 22.Nc6 Re8+-) 20...Qb2 (20...Qd1 21.Kd1 Rg6 (21...fg6?? 22.Nf6 Nf6 23.Bf6+-) 22.Nf6 Nf6 23.Bf6 Rf6 24.Nc6 Rd7+-) 21.Nc6 (better 21.Nf6 Nf6 22.Qf6 Qb5 23.Kf3+-) 21...fg6 (better 21...Rg6 22.Nf6 Nf6 23.Bf6 Rf6 24.Nd8 Qb5 25.Ke1 Qb6+=) 22.g3?? (22.Nf6!? Nf6 23.Bf6 Qf6 24.f4+=) 22...Ng3?? (better 22...Kg7 23.Nf6 Qf6 24.Nd8 Qd8-+) 23.Kd3?? (better 23.hg3 Kg7 A) 24.Nd8 Ne4 (24...de4?! 25.Ke1=; worse 24...Re4 25.Ke1=+) 25.Ke1 Qf6-+; B) 24.Nf6 Qf6 25.Nd8 Qd8 26.d4=) 23...Qc3 (better 23...de4 24.Kc4 Rg5-+) 24.Nc3+- d4 (24...Nh1 25.Bf6 (25.Nd8?! Nf2 26.Ke2 Nd1 27.Bf6 Nc3 28.Bc3 Rg1+-) 25...Nf2 26.Ke2 Nd1 27.Bd8 (worse 27.Nd8 Nc3 28.dc3 Rg1+-; worse 27.Nd1 Rf8 28.Nf3 Rf6 29.Ne7 Kg7 30.Nc8 Ra4+-; 27.Kd1?! Rf8 28.Nf3 Rf6+-) 27...Nc3 28.dc3 Rg1 29.Ne7 Kf7 30.Nc8+-) 25.Re1 (better 25.hg3 dc3 26.Nd8 Kg7 27.dc3 Ne4+-) 25...e5 (25...dc3 26.Nd8 cd2 27.Rb1+-) 26.Bh3 (better 26.hg3 Bf5 27.Ke2 Kg7 28.Nd8 dc3 29.dc3 Ra4+-) 26...Nd7 (26...Nh1 27.Bf6 Nf2 28.Ke2 Nh3 29.Nh3 (29.Bd8?! Ng1 30.Kd1 dc3+-; 29.Nd8?! Rg1 30.Rg1 Ng1 31.Kf2 dc3 32.dc3 Nh3 33.Kg2 Ng5+-) 29...dc3 30.Bd8 Rg2 31.Kd3 cd2 32.Rd1+-) 27.e4 (better 27.hg3 dc3 28.Nd8 Nc5 29.Kc3 Ne4 30.Kb4 Nf2 31.Bg4 Bg4 32.b6+-) 27...Nf8 (27...Nh1 28.Nd1 Nc5 29.Kc4 Re4 30.Re4 Ne4 31.Be5 Bh3 32.Nd8 Bc8+-) 28.Re3 (better 28.hg3 dc3 29.Nd8 cd2 30.Kd2 Kg7 31.b6+-). RichardSommer (1950) – SuchinTendulkar123 (1845), lichess.org, 2020.

5.e3 c6 6.c4 dc4 7.Bc4 Nbd7 8.Nf3 a5 (8...Nb6 9.Bb3=) 9.Be2 (9.Bf7 Kf7 10.Ng5 Ke8 11.Qb3=) 9...cb5= 10.ab5 b6 11.0-0 Bb7 12.d4 0-0 13.Nbd2 Re8 14.Nc4 Nd5 15.Rc1 N7f6 16.Ba3 Rc8 17.Nfe5 e6? (17...Nd7 18.Bg4 f5 19.Bf3+=) 18.Nd6 (better 18.Nf7 Kf7 19.Nd6 Kg8 20.Nb7+- (20.Rc8?! Bc8 21.Ne8 Qe8=)) 18...Nd7?? (better 18...Rc1 19.Qc1 Re7+-) 19.Nb7 (19.Nc8?! Be5 20.de5 Bc8+-) 19...Qe7 (19...Rc1 20.Qc1 Qb8+-) 20.Be7 Re7 (20...Ne5 21.Rc8 Rc8 22.de5 Rc7+-) 21.Rc8 Bf8 22.Nd7 (better 22.Nc6 Kg7+-) 22...Rd7 23.Bf3 (23.Qc2!? Ne7 24.Rc7 Rc7 25.Qc7 Nd5+-) 23...Rb7 24.Bd5 ed5 25.Qb3 Ra7 26.Qa3 a4 (26...Kg7 27.Qf8 Kf6 28.Qh8 Kg5 29.f4 Kh6 30.Rf3 Kh5 31.Qh7 Kg4 32.Qh3) 27.Qf8 1–0. BeepBeepImAJeep (2600) – Pablomol (1715), lichess.org, 2019.

5.e3 Nbd7 6.Nf3 e5 (6...a6 7.Be2=) 7.c4 (7.Ne5 Ne4 8.Nc6 Bb2 9.Nd8 Ba1+/-) 7...Qe7 (7...e4 8.Nd4=+) 8.cd5= Nd5 9.Be2 0-0 10.0-0 N5f6 (10...Rd8 11.Qc2=) 11.Nc3 (11.Ba3 Nc5 12.d4 ed4 13.ed4+- (13.Qd4? Nfd7 14.Qd5 Ba1-+; 13.Nd4?! Re8+=)) 11...a6? (11...Rd8 12.d4=) 12.Re1?? (better 12.Ba3 Qe8 13.Bf8 Qf8 14.Qc2+-) 12...ab5= 13.ab5 Nb6? (better 13...Ra1 14.Qa1 e4=) 14.Ra8+- Na8 15.Qa1 Nb6 16.d3 (16.Ba3 Qe6 17.Bf8 Bf8+-) 16...Nfd5? (better 16...Re8+=) 17.Nd5 Nd5 18.Be5 (18.Ba3 Qe8+-) 18...Be5+/- 19.Ne5 Be6 20.d4 Qg5 (20...f6 21.Nd3+-) 21.Bf3 Nf6? (better 21...Qe7+-) 22.Bb7 Ng4 23.Bf3 (23.Ng4!? Bg4 24.Qa5 Bd7+-) 23...Ne5 24.de5 Rb8 25.Bc6 Rd8 26.Qa7 (better 26.f4 Qe7 27.Rd1+-) 26...Bh3?? (26...Qe5 27.Qa1 Qa1 28.Ra1+-) 27.g3 (better 27.Qc7 Rc8 28.Qd6+-) 27...Qe5 28.Qa5 h5 29.Qb4 Rd6 30.Qh4?? (better 30.f4 Qe6 31.Qa3+-) 30...Bg4= 31.h3 (31.f4!? Qc3 32.Kf1=+) 31...g5=+ 32.hg4?? (32.f4 Rd1 A) 33.fe5? Re1 (33...gh4? 34.Rd1 Bd1 35.gh4+-) 34.Kf2 Re2 (34...gh4 35.Ke1 Bh3 36.gh4+-) 35.Kf1 gh4-+; B) 33.Qg5 Qg5 34.Rd1-/+ (34.fg5? Re1 35.Kf2 Re2 36.Kf1 Re3-+)) 32...gh4-+ 33.gh5 (33.gh4 hg4 34.Kh1-+) 33...hg3 34.fg3 (34.Rf1-+) 34…Rd2 (34...Rd2 35.Kf1 Qf5 36.Bf3 Qf3 37.Kg1 Qg2; 34...Qg3 35.Kf1 Rd2 36.Re2 Rd1 37.Re1 Re1) 0-1. brucepeng (2035) - gunawan1100000 (2035), lichess.org, 2021.

5.e3 Kf8 6.c4 (6.Nf3 Ne4 7.Nc3 Bf5=) 6...dc4 (6...Kg8 7.d4=) 7.Bc4+= a6 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 c6 (10...Bg4 11.d4+=) 11.0-0 Bf5 12.Nc3 Bd3 13.Bd3 Qd3 14.h3 (14.Qa4 Nfd7+-) 14...h5 (14...cb5!? 15.Ne5 Qf5+=) 15.Qa4+- Bh6 (15...Nfd7 16.Qa8 Bc3 17.dc3+-) 16.Ne5 (16.Qa8!? Qd8+-) 16...Qd6+- 17.f4 (17.d4 Kg7+-) 17...Kg7 (17...Qd2 18.Qa7 Kg7 19.Rd1+= (19.Qb7 Qe3 20.Kh1 Bf4=+)) 18.bc6 Nc6 19.Ne4 Ne4? (better 19...Qb4 20.Qa2 Ne5 21.Nf6 ef6 22.fe5 Re8+-) 20.Nc4+- Nf6 (20...f6 21.Nd6 Nd6+-) 21.Nd6 ed6 (21...Rb8 22.Bf6 ef6 23.Rc1+-) 22.Qb5 (better 22.Bf6 Kf6 23.Qa1 Ke7 24.Qh8 Bf8+-) 22...Rb8 (22...Re8 23.g4 hg4 24.hg4+-) 23.Qb2 (23.Qb2 Rf8 24.Qf6 Kh7 25.g4+-) 1–0. RichardSommer (2045) – Lapsap008 (2050), lichess.org, 2020.

5.e3 Nh5 6.c4?? Bb2 7.Ra2 Bf6 8.Be2 (8.d4 dc4 9.Bc4 a6-+) 8...dc4 9.Bh5 (9.Bc4 e5-+) 9...gh5 10.Qh5 Be6 (10...Qd3 11.Qd1-+) 11.Rc2 (11.Ne2 c3 12.Rc2 Qd3-+) 11...Nd7 (11...Qd3 12.Rc1 Bb2 13.Rd1-+) 12.Qf3 (12.Nf3 Rg8 13.0-0 Bg4-+) 12...Qc8 (better 12...Ne5 13.Qe2-+) 13.Ne2 (13.Qe2 Ne5-+) 13...Ne5 14.Qg3 Nd3 (better 14...Bf5 15.Nd4 Bc2 16.Nc2 Nd3 17.Ke2-+) 15.Kf1 Be5 16.Qf3 (16.f4 Nb4 17.Rc1 Bb2-+) 16...Rg8 17.g3 (17.Na3 Bd6 18.Nc4 Bc4 19.Rc4-+) 17...Bh3 18.Kg1 Bg4 (better 18...Ne1 19.Qe4 f5 20.Qd5-+) 19.Qe4 Qe6 (better 19...Be2 20.Nc3 Rg4 21.f4-+) 20.Nf4 (20.Qb7 Rd8 21.f4 Ne1-+ (21...Be2 22.fe5 Qf5 23.Qc6 Kf8 24.Qg2-+)) 20...Bf4 21.ef4 (21.Qe6 Be6 22.ef4-+) 21...Qe4 22.h4 (22.Rc1 Bh3 23.Rc4 Qg2) 22...Qf3 (22...Qe1 23.Kh2 Qf2) 23.Kh2 (23.Rh2 Qd1 24.Kg2 Nf4 25.gf4 Bf5) 23…Qf2 0-1. Jimito100 (2015) - WashingtonMS (2150), Rated Bullet game, lichess.org, 2020.

5.e3 Nh5 6.c4?? Bb2-+ 7.Ra2 Bg7 8.Be2 Nf6 9.Nf3 0-0 10.d4 dc4 11.Bc4 Nbd7 12.Nbd2 Re8?? (12...Nb6 13.Bd3-+) 13.Be2?? (better 13.Bf7 Kh8 14.Be8 Qe8 15.Qb3=+) 13...e5-+ 14.de5 Ne5 15.Ne5 Re5 16.0-0 Be6 17.Rc2 Rd5 (17...Bf5 18.Ra2-+) 18.Qc1 (18.Bf3 Rd3 19.Bb7 Rb8-+) 18...Bf5 19.Ra2 Ne4 20.Ne4 Be4 21.f3 Bd3 22.e4 (22.Rd1 Be2 23.Rd5 Qd5 24.Re2 a6 25.ba6 Ra6 26.Qc7 Ra4 27.Qb8 Bf8-+) 22...Rd7 23.Bd3 Rd3 24.Rc2 (24.Kh1 a6 25.ba6 Ra6-+ (worse 25...ba6 26.Rc2-+)) 24...Rc8 (better 24...Qd4!? 25.Kh1 Qa4 26.Rc7 Qb5 27.Rc8 Rc8 28.Qc8 Bf8 29.Re1-+) 25.Kh1 h5 (25...Rd4 26.Rc4-+) 26.Qf4 (26.f4 h4-+) 26...h4 (26...Qd4!? 27.Qc1 Qa4 28.Re1-+) 27.Rcc1 h3 28.gh3 Qd7 (28...c5 29.bc6 Rc6 30.h4-+) 29.Qg4 (29.h4 Bc3 30.Rb1 c5-+) 29...Qg4 (29...Rd8 30.h4-+) 30.hg4 (30.fg4?? Rd4-+) 30...c5 31.bc6 bc6 32.Rc4 c5 33.Kg2 Bd4 34.Kg3 Rc3 (34...Re8 35.Kh4-+) 35.Rc1 (35.Rc3 Bc3 36.Rc1 Bd4-+) 35...Rc4 (35...Rc1 36.Rc1 c4 37.h4-+) 36.Rc4 Rb8 37.h4 a5 (37...Rb4 38.Rc2-+) 38.Rc2 Rb4 39.h5 (39.Ra2 Be5 40.Kf2 f5 41.ef5 gf5-+) 39...gh5 40.gh5 Kg7 41.Kg4 Ra4 42.Kf5 (42.Kg5 Ra1-+) 42...c4 43.Rg2 Kh7 44.Rd2 (44.Rc2 c3-+) 44...c3 45.Rc2 Rb4 46.f4 White prepares the advance e5 (46.e5-+) 46...Rb2 47.Rc1 c2 48.e5 Be3 49.Rg1 (49.Rc2 Rc2 50.Ke4 Bf4-+) 49...c1Q (49...Bg1 50.Kg4 c1Q 51.h6 Rg2 52.Kh3 Qc6 53.e6 Qf3 54.Kh4 Bf2) 50.Rg5 (50.Rc1 Bc1 51.Kf6-+) 50...Bf4 (50...Qc8 51.Ke4 Qc4 52.Ke3 Qc3 53.Ke4 Rb4 54.Kf5 Qc8 55.e6 Qe6) 51.Kf6 (51.Rg1 Qc8 52.Kf4 Rb4 53.Kg3 Qf5 54.Kh2 Qf2 55.Kh3 Rh4) 51...Bg5 52.Kf7 0–1. BeepBeepImAJeep (2725) – alifie (2605), lichess.org, 2020.

5.e3 Nh5 6.Bg7 Ng7 7.Nc3=.

5.Nf3 0-0 6.e3 Nbd7 7.Be2 c5 8.0-0 a6 9.d3 ab5 10.ab5 Ra1 11.Ba1 Re8 12.Nbd2 e5 13.c4 e4 14.Ng5 h6 15.Nh3 ed3 16.Bd3 Ne5 17.Be5 Re5 18.Nf4 g5 (18...Re8 19.Qc2=) 19.Ne2 Ng4 (19...Bg4 20.Qc2=) 20.h3 (20.Nf3!? Re8 21.cd5+/-) 20...Nf6= 21.Qc2 Be6?? (21...g4 22.hg4 Bg4 23.Re1=) 22.Rd1 (22.Nf3 dc4 23.Ne5 cd3 24.Nd3 b6+/-) 22...Qd7? (22...dc4 23.Bc4 Qe7 24.Ng3+=) 23.cd5 (23.Nf3 Rf5 24.Bf5 Bf5 25.Qa4+-) 23...Bh3?? (better 23...Rd5 24.Nc4 Qe7+=) 24.gh3+- Qh3 25.Ng3 (25.d6 Qg4 26.Ng3 Re3+-) 25...Ng4? (25...Re3 26.Ndf1 Re8+-) 26.Nf3 (better 26.Ndf1 b6 27.Bh7 Kh8 28.Bf5+-) 26...Rd5?? (better 26...Ne3 27.fe3 Qg3 28.Qg2 Qg2 29.Kg2 Re3+=) 27.Bf1 (27.Bh7 Kh8 28.Rd5 Bf6 29.Rc5 Ne3 30.Rc8 Qc8 31.Qc8 Kh7 32.Qb7 Kg7 33.fe3 Bb2+-) 27...Rd1 (27...Ne3 28.Rd5 Qf1 (28...Nc2?? 29.Rd8 Bf8 30.Bh3+-) 29.Nf1 Nc2 30.Rc5 Na3+-) 28.Qd1 Nf2 29.Kf2 (better 29.Qd8 Kh7 30.Kf2+-) 29...Qe6 30.Qd8 Bf8 31.Bd3 Kg7 (31...b6+-) 32.Nf5 Kg8 33.b6 (better 33.Nh2 c4 34.Bc2 h5+-) 33...c4 (33...Qa2 34.Kg3 Qe6+-) 34.Bc2 g4 35.N3d4 Qe5 36.Qd7 (better 36.Nh6 Kg7 37.Ndf5 Kh7 38.Ng4 Qe6 39.Qh4 Bh6 40.Nf6 Qf6 41.Qf6 Be3 42.Ke3 Kg8 43.Qg7) 36...Qh2= 37.Ke1?? (better 37.Kf1 Qh1 38.Kf2 Qh2 39.Kf1 Qh1 40.Kf2 Qh2=) 37...Qg1 38.Kd2 (38.Ke2 Qg2 39.Kd1 Qf1 40.Kd2 Bb4) 38...Qf2 (38...Bb4 39.Ke2 Qe1) 39.Kc3+- Qe1 40.Kc4 Qb4 41.Kd3 Qe1 (41...Qb6 42.Bb3 Qg6 43.Qe8 b6 44.Bf7 Qf7 45.Nh6 Kh8 46.Nf7 Kg7 47.Ne5 Kh8 48.Qf8 Kh7 49.Qf7 Kh6 50.Qg6) 42.Ke4 (42.Qe8 Qf1 43.Kd2 Qf2 44.Kc3 Qe1 45.Kb2 Qb4 46.Bb3 Qd2 47.Nc2 Qd7 48.Qd7 Bg7 49.Kb1 Kh7 50.Qf7 h5 51.Qg7) 42...Qh1 43.Ke5 Qc6 (43...Qh2 44.Kf6 Qh5+-) 44.Qc6 (44.Qc6 bc6 45.b7 Kh7 46.Kf6 h5 47.Ne7 Kh8 48.b8Q h4 49.Qf8; 44.Nc6 Kh8 45.Qf7 Bd6 46.Kd6 bc6 47.Qg7) 1-0. ndmu_kingpin (2400) - alifie (2500), Rated Bullet game, lichess.org, 2020.

5.e3 0-0

6.d4 c6 7.c4 cb5 8.ab5 dc4 9.Bc4 Bf5=.

6.d4 c6 7.c4 cb5 8.cb5 Nbd7 9.Nf3 Re8 10.Nbd2 Ne4 11.Bd3 (11.Ne4 de4 12.Nd2 e5=) 11...Ndf6 12.0-0 Bf5 13.Ne5 Rc8 14.f3 Nd2 15.Qd2 Bd3 16.Qd3 Nd7 17.f4 f6 18.Nd7 Qd7 19.Rac1 Qe6 20.Rc8 Rc8 21.Rc1 Rc1 22.Bc1 Qc8 23.Bd2 b6 24.Kf2 Kf7 25.g4 (better 25.a5=) 25...Qg4-/+ 26.Qe2 Qh4 (26...Qf5 27.a5-/+) 27.Kg2 e5 (27...f5 28.Qf3 e6 29.Bb4-/+) 28.de5 (28.Be1!? Qh5 29.Qh5 gh5 30.f5=) 28...fe5-/+ 29.Qf3 (better 29.Qd3 Qg4 30.Kf2-/+) 29...Ke6 (29...e4 30.Qd1 Qe7-+) 30.Qh3?? (better 30.e4=) 30...Qh3-+ 31.Kh3 ef4 32.ef4 Kf5 33.Kg3 Ke4 34.Kf2 Bh6 35.Kg3 Kd3 36.Bc1 Kc2 37.Be3 Kd3 38.Kf3?? (38.Bc1 d4 39.Bb2-+) 38...d4 39.Bf2 Kc3 40.Ke4 (40.h4 Bg7 41.Ke4 d3-+) 40...d3 41.Be3 (41.Bd4 Kc2 42.Be3 Bg7-+) 41...d2 42.Bd2 Kd2 43.f5 gf5 44.Kf5 Kc3 45.Ke6 Kb4 46.Kd6 (46.Kd5 Bf4 47.h3 Ka4-+) 46...Ka4 (better 46...Bf4 47.Kd7 Bh2 48.Kc6-+) 47.Kc6 Bf4 48.h4 (48.h3 Bb8-+) 48...h5 49.Kd5 Kb5 50.Ke4 Bg3 51.Kf3 Bh4 52.Kg2 Bd8 53.Kh3 Kb4 54.Kg2 a5 55.Kf3 a4 56.Ke4 a3 57.Kd5 a2 58.Kc6 a1Q 59.Kb7 (59.Kd5 Qh1 60.Ke6 Qe4 61.Kf7 Qe7 62.Kg6 Qf6 63.Kh7 Bc7 64.Kg8 Qg6 65.Kf8 Bd6) 59...h4 (59...Qg7 60.Ka6 Kc3 61.Kb5 Qc7 62.Ka6 b5 63.Kb5 Qc4) 60.Kc8 (60.Kc6 h3 61.Kd7 Kc5 62.Kd8 Kd6 63.Ke8 Qg7 64.Kd8 Qd7) 60...Kb3 (60...Qg7 61.Kd8 Kc5 62.Ke8 Kd6 63.Kd8 Qd7) 61.Kd8 (61.Kd7 Qg7 62.Ke6 Kc4 63.Kf5 Kd5 64.Kf4 Qg3 65.Kf5 Qg5) 61...b5 (61...Qf6 62.Kc7 h3 63.Kb7 h2 64.Ka6 h1Q 65.Ka7 Qfc6 66.Ka6 Qa1) 62.Ke7 (62.Kc7 Qe5 63.Kb6 h3 64.Kc6 h2 65.Kb7 h1Q 66.Kb6 Qb8 67.Kc5 Qc7 68.Kb5 Qhc6) 62...Ka3 (62...Qe5 63.Kd7 h3 64.Kd8 Qe6 65.Kc7 h2 66.Kd8 h1Q 67.Kc7 Qh7 68.Kd8 Qhe7) 63.Ke6-+ b4 64.Kf5 (64.Kd7 Qf6 65.Kc7 h3 66.Kb7 h2 67.Kc7 h1Q 68.Kb8 Qd8 69.Ka7 Qha8) 64...h3 65.Ke6 h2 66.Kd5 (66.Kd6 Qf6 67.Kc5 h1Q 68.Kc4 Qe4 69.Kc5 Qfc6) 66...h1Q 67.Kc5 (67.Ke6 Qc6 68.Kf7 Qh8 69.Ke7 Qhf6) 67...Qac1 (67...Qc3 68.Kb6 Qcc6 69.Ka5 Qhd5) 68.Kb5 (68.Kd6 Qcc6 69.Ke7 Qh7 70.Kd8 Qhd7) 68...Qhc6 69.Ka5 Q1c5 0-1. kasperoff (1715) - ShurovA (2135), Hourly SuperBlitz Arena, lichess.org, 2018.

6.d4 c6 7.c4 cb5 8.Nc3?? dc4?? (better 8...bc4 9.e4 Ne4 10.Ne4 de4 11.Bc4 Nc6-+) 9.ab5=+ Bd7 (9...Be6!?=+) 10.Bc4= a6 (10...Bg4 11.Nf3+=) 11.Nf3+= Be6 (11...Bg4 12.h3 Qc8 13.Bd3+=) 12.Be2 (12.Be6 fe6 13.Qb3 Nd5+-) 12...Nbd7 (12...Qb6 13.Qd2+=) 13.0-0 (13.ba6 ba6 14.Ra6 Ra6 15.Ba6 Qb6+=) 13...Nb6 (13...Qb6 14.Qa4+=) 14.Ng5 (14.ba6 ba6 15.Ba6 Nc4+-) 14...a5 (better 14...Bc4!?=) 15.Ne6+- fe6 16.Qb3 Nbd5 17.e4 (17.Bf3 Qd6+-) 17...a4 (17...Nf4 18.Bc4 Qd4 19.Nd5 (19.Be6?! Kh8=) 19...Qe4 20.f3 Qd5 21.Bd5 N6d5 22.Bg7 Kg7 23.Rfe1+-) 18.Qa2 (18.Na4 Ne4 19.Bg4 Nf4+-) 18...Nc3 (18...a3 19.ed5 ab2 20.Qb2 Ra1 21.Ra1 Nd5 22.Rd1=) 19.Qe6 (19.Bc3!? Qd7 20.Bc4+-) 19...Kh8= 20.Bc3 Rc8 (20...Qc8 21.Qc8 Rfc8= (worse 21...Rac8 22.e5 Rc3 23.ef6 Bf6 24.Ra4+-)) 21.Bb2?? (21.Ra3 Qd6 22.Qd6 ed6+-) 21...Qd6?? (21...Rc2 22.Ba3 Re2 23.Be7 Re4 (23...Qd4 24.Bf8 Rf2 25.Rf2 Qa1 26.Rf1 Qd4 27.Kh1 Bf8 28.Qf6 Qf6 29.Rf6+-) 24.Qe4 Ne4 25.Bd8 Rd8 26.Ra4 Bd4-/+) 22.Qd6+- ed6 23.f3?? (better 23.Bd3 Ra8 24.Rfc1+-) 23...Rc2-/+ 24.Rf2 Rb2 25.Ra4 Rc8 (25...Bh6 26.Ra3-+) 26.Bf1 (26.Bd3 Rc1 27.Rf1 Rc3-/+) 26...Rf2 (better 26...Rb1!? 27.g3 Nd7-/+) 27.Kf2= Rc2 28.Ke3 (28.Be2=) 28...Nd7 (28...Bh6 29.Kd3 Rf2 30.Ra1-/+) 29.h3 (29.Ra8 Nf8+=) 29...d5 (29...Bh6!? 30.Kd3 Rb2 31.Ra8 Nf8=) 30.Ra8+= (worse 30.ed5 Nb6 31.Ra7 Rc7=+) 30...Bf8? (30...Nf8!?+=) 31.Bd3 (31.Rd8 Rc7 32.b6 Nb6 33.Rf8 Kg7+-) 31...Rc3 (better 31...Rg2 32.Rd8 Kg8+-) 32.e5?? (better 32.Rd8 Rc7 33.b6 Nb6 34.Rf8 Kg7 35.Rd8+-) 32...Kg7= 33.e6 (33.f4 Ba3 34.Ke2 Nf8=) 33...Nf6 (33...Nb6 34.Rb8 Rc7 35.f4-/+) 34.Kd2 (34.Ra7 Rc7 35.f4=) 34...Rb3 (34...Rc7 35.f4=+) 35.Rb8 (35.Kc2 Ra3 36.Rb8 Ra2 37.Kc3 Ra3 38.Kd2 Bb4 39.Ke3=+) 35...Bd6?? (better 35...Bb4 36.Ke3 Nh5 37.Rb7 Kf6=+) 36.Bc2?? (better 36.Rb7 Kg8 37.Kc2+-) 36...Bb8 (36...Rb5!? 37.Ra8-+) 37.Bb3 Ne8?? (better 37...Kf8-+) 38.Ke3 (better 38.Bd5!? Nc7 39.Bc4+=) 38...Nd6 39.Bd5 Nf5 (better 39...Ba7!? 40.Kd3 Kf6=+) 40.Kd3+= Ne7? (better 40...Ba7 41.g4 Nd6+= (41...Nd4?? 42.e7 Nc6 43.bc6 bc6 44.Bc4+-)) 41.g4?? (better 41.Bb7 Kf6 42.d5+-) 41...Nd5-+ 42.Ke4 (42.Kc4 Nf4 43.d5 g5-+) 42...Ne7 (better 42...Nc3!? 43.Kd3 Nb5 44.d5-+) 43.d5 (43.g5 Nf5-+) 43...Bd6 (43...Kf6 44.f4-+) 44.f4 b6 45.f5 (45.h4 Nc8-+) 45...Kf6 (better 45...gf5 46.gf5 Kf6 47.h4-+) 46.h4 (46.fg6 hg6 47.h4-+) 46...gf5 47.gf5 h5 48.Kd3 (48.Kd4 Kf5 49.Kc4 Ke5-+) 48...Nf5 49.Kc4 Ne7 (49...Ke5 50.Kc3-+) 50.Kd4 Kf5 51.Kd3 (51.Kc3 Ke5-+) 51...Ke5 52.Kc4 (52.Kc4 Nd5 53.Kd3-+). BeepBeepImAJeep (2580) – crazy_camel (1780), lichess.org, 2016.

6.d4 c6 7.c4 Be6=+.

6.d4 Nbd7 7.c4 Re8 8.c5 c6 9.Nd2 e5 10.Bd3 ed4 11.Bd4 Qe7 12.Ne2 (better 12.Rc1!?=) 12...Nc5-/+ 13.Bc5 Qc5 14.Rc1 Qb6 15.0-0 Ng4 16.h3? (better 16.Nb3-/+) 16...Ne3!-+ 17.fe3 Qe3 18.Kh1 Qd3 19.Nf4 Qg3 (better 19...Qd4 20.bc6 bc6 21.Rc6 Bh6-+) 20.Qe1?? (20.bc6 bc6 21.Rc6-+) 20...Re1 21.Rce1 Bf5 22.Ne2 Qd3 23.Nf3 Re8 24.Nf4 (24.Rd1 Qa3 25.bc6 Re2 26.cb7 Rb2 27.Rd5 Rb7 28.Rd8 Bf8-+) 24...Re1 25.Re1 Qe4! 26.Ng5 (26.Re4 de4 Passed pawn) 26...Qe1 27.Kh2 Be5 28.Nf3 (28.g3 Qf2 29.Kh1 Bd4 30.Ne2 Qe2 31.g4 Qf1 32.Kh2 Be5) 28...Bf4 29.g3 Qg3 30.Kh1 Qf3 (30...Qh3 31.Kg1 Be3) 31.Kg1 Be3 (31...Be3 32.Kh2 Qh3) 0-1. kasperoff - Alexander_Utnasunov (2275), Hourly Bullet Arena, lichess.org, 2018.

6.Nf3 c5 7.c4 d4 8.ed4 Nh5 9.d3 cd4 10.Be2 Nf4 11.0-0 Nd7 (11...e5 12.Bc1=) 12.Re1 (12.Nd4? Nc5 13.Nc6 bc6 14.Bg7 Kg7-+; 12.Bd4?! Bd4 13.Nd4 Nc5=) 12...Nc5 13.Bf1 (13.Bc1 Ne2 14.Qe2 Bf5=+) 13...Bf5=+ The pressure on d3 grows 14.Ra3 Qd6 15.Bc1 a6 16.Bf4 Qf4 17.Re7 ab5 (17...Be6 18.Qd2 Qd6 19.Qg5-/+) 18.ab5 Ra3 19.Na3 Ra8 20.Nc2 Bf6 (better 20...Be6-/+) 21.Re1+= Bg4 22.Be2 Na4 (22...Be6+=) 23.Qc1 (23.Ncd4 Nc3 24.Qd2 Qd2 25.Nd2 Ra2 26.Bg4 Bd4 27.Re8 Kg7=+) 23...Qd6? (better 23...Qc1!? 24.Rc1 Nc3=) 24.Nd2 Bf5 (better 24...Be2 25.Ne4 Qd8 26.Re2 Bg7+/-) 25.Nf1 (better 25.g4 Be6 26.Ne4+-) 25...Nc3+= 26.Qd2 Ra2 27.Ng3 Be6 28.Bf1 (28.Ra1 Ra1 29.Na1 Qa3+=) 28...Kg7 (better 28...Be5!? 29.Ne2 Bh2 30.Kh1 Be5-/+) 29.Ne4= Qd8 (29...Ne4!? 30.Re4 Qa3=) 30.Nf6+/- Qf6 31.Ra1 Ra1 32.Na1 Na4 33.Nc2 Nc5 34.Qb4 b6 35.Qb2 Bf5 36.Qd4 Bd3 37.Bd3 Qd4 38.Nd4 Nd3 39.Nb3 Kf6 40.c5! bc5 (40...bc5 41.b6 Passed pawn; 40...Nc5 41.Nc5 Combination) 41.b6 Ne5 42.b7 (42.Nc5 Nc6+-) 42...Nc6+/- 43.Nc5 Nb8 44.f4 Ke7 45.Kf2 Kd6 46.Ne4 Kc7 47.Ng5 Kb7 48.Nf7 Kc6 49.Ng5 h5 50.Nf7 Nd7 51.Ke3 Kd5 52.g3 Ke6 53.Ng5 Kf5 54.h3 Nf6 55.Nf3 Nd5 56.Kf2 Ne7 57.Nh4 Kf6 58.Nf3 Nd5 (58...Kf5 59.Ke2 Ke4+/-) 59.Ne5 (59.Ke2!?+/-) 59...h4+= 60.Ng4 Kg7 (60...Kf5 61.Kf3+/-) 61.Kf3 hg3 62.Kg3 Ne7 63.Ne3 Kf6 64.Kg4 Ng8 65.h4 (65.Nc4 Nh6 66.Kf3 g5+/-) 65...Nh6 66.Kf3 Nf7 67.Ng4 (67.Nc4 Nh6+/-) 67...Kf5+= 68.Ne3 Kf6 69.Nf1 Nh6 70.Ng3 Nf7 71.Ne4 Kf5 72.Ng5 (72.Nd2 g5+=) 72...Nd6 (72...Nd8 73.Kg3=) 73.Ke3 (73.Kg3!?+/-) 73...Nc4= 74.Kf3 Nd6 75.Nh3 (75.Kg3!?+=) 75...Nc4 76.Nf2 Nd2 77.Kg3 Nf1 78.Kf3 Nd2 79.Kg3 Nf1 80.Kg2 Kf4 81.Kf1 Kg3 82.h5 gh5 83.Kg1 h4 84.Nh1 Kg4 85.Nf2 Kg3 86.Nh1 Kh3 87.Nf2 Kg3 ½-½. Timmermans,M (2385) - Kollars,Dmitrij (2605), Titled Tuesday, 2021.

6.Nf3 c5 7.bc6 bc6 8.c4 Nbd7 9.cd5 cd5 10.Nc3 Bb7 (10...Rb8 11.Rb1=+) 11.Be2 Rc8 12.0-0 e5 13.Nb5 Qb6? (better 13...e4!? 14.Nfd4 Qb6+=) 14.Ne5+- Ne5 15.Be5 a6 16.Bd4 (better 16.Nd6!? Rb8 17.Rb1+-) 16...Qe6+/- 17.Nc3 h5 (17...Ne4!?+/-) 18.Rb1+- Ba8 19.Bf3 Ne4 20.Bg7 Kg7 21.Ne2 Qf5 (21...Rfe8 22.Nd4 Qf6 23.a5+-) 22.Nd4 Qg5 (better 22...Qf6+-) 23.d3?? (better 23.Rb6+-) 23...Nc3= 24.Qb3 Nb1 25.Qb1 Rfe8 26.Qb2 Kh7 (26...Qf6 27.a5=) 27.g3 (27.Qb6 a5+=) 27...h4 (27...Rb8 28.Qd2=) 28.Bg2 (28.Qb6 a5=) 28...hg3 29.hg3 Rb8 30.Qc3 Rbc8 31.Qa5 Re3 32.fe3 Qe3 33.Kh1 Qd4 (33...Qh6 34.Kg1 Qe3 35.Kh2 Qd4 36.Rf7 Kg8+-) 34.Qd2?? (34.Rf7 Kh6 35.Qd2 g5 36.Qe2 Rc1 37.Bf1+-) 34...Kg7-+ (34...Qa4?! 35.Rf7 Kg8 36.Ra7 Qa1 37.Kh2 Qh8 38.Bh3=) 35.Rf4? (better 35.Bf3-+) 35...Rh8 36.Rh4 Rh4 37.gh4 Qh4 38.Kg1 Qg3 (38...Qd4!? 39.Kf1 Qa4 40.d4-+) 39.Qc3 (39.d4 Bc6 40.a5 Bb5-+) 39...d4! 40.Qc2 (40.Qd4 Kh7 Combination) 40...Bg2 41.Qg2 Qd3 (better 41...Qg2 42.Kg2 f5 43.Kf3-+) 42.Qd5 (42.Qc6-+) 42...Qe3 43.Kg2 d3 44.Qb3 (44.Qf3 Qg5 45.Kf2 Qd2 46.Kg3 Qe1 47.Kg2 d2 48.Qc3 Kh6-+) 44...Qe2 45.Kg3 d2 46.Qb2 f6 47.Qb7 Kh6 48.Qh1 Qh5 49.Qd5 Qd5 (49...Qd5 50.a5 Qd3 51.Kf2 d1Q 52.Kg2 Q1e2 53.Kg1 Qdd1) 0-1. brucepeng (2025) - espinovsky (2035), lichess.org, 2021.

4.a4 d6

5.c3 0-0 6.e3 Nbd7 (6...a6 7.d4=+) 7.Nf3 e5 8.c4 Qe7 (8...e4 9.Nd4=+) 9.Be2 Ne8 (9...a6 10.0-0=) 10.d4 f5 (10...e4 11.Nfd2+=) 11.de5 (11.0-0 c5+=) 11...de5 (11...Ne5 12.Ne5 de5 13.Ba3=) 12.0-0 (12.Ba3 Nd6 13.c5 Ne4 14.Qd5 Qf7+-) 12...e4 13.Nd4 Ne5 14.Nc3 Be6 (14...Nd6 15.c5 Ndc4 16.Qb3=) 15.Ne6 (15.Ba3!? Nd6 16.Ne6 Qe6 17.Nd5+=) 15...Qe6= 16.Qd5 Qd5 17.Nd5 c6 18.bc6 bc6 19.Nc3 (19.Nb4 Rb8 20.Bc3 a5=) 19...Rb8 (19...Nd6 20.Ba3 Rfd8 21.Bd6 Rd6 22.Rfd1-/+) 20.Rab1=+ Nd6 (20...Nd3 21.Ba3 Rb1 22.Nb1=+) 21.Ba3= Ndc4 (21...Rbd8!?=) 22.Bc4 Nc4 23.Bf8 Rb1 (23...Rf8 24.Rfc1+=) 24.Rb1 Kf8 (24...Bf8 25.Ne2+=) 25.Ne2 (25.Rb8 Kf7 26.Rb7 Kg8 27.Rc7+-) 25...Ke7 (25...Nb2 26.Nd4 Bd4 27.ed4 Na4 28.Rc1+-) 26.Rc1 (26.Rb7 Kf6+-) 26...Na5 (26...Ne5 27.Rc5 Kd6+-) 27.Nd4 (27.Rc5!? Nb7 28.Rc6+-) 27...Bd4 (27...Kd6!?=) 28.ed4+- Kd6 29.Rb1 (29.Rc3 a6+-) 29...Kd5+= 30.Kf1 (30.Rb8 Kd4 31.Ra8 Nc4 32.Ra7 h6+-) 30...Kd4= 31.Ke2 (31.Rd1 Kc5=) 31...c5 (31...Kc5 32.Rb8=) 32.Rb5 Nc4 33.a5 (33.Rb7 a5=) 33...Nd6 (33...a6!? 34.Rb7 Na5 35.Rh7 Nc4=+) 34.Rb8= c4 35.a6 c3 36.Rb7 Nc8 (36...Nb7 37.ab7) 37.Rc7 Nb6 38.Ra7 Nc4 (38...f4 39.Rh7 g5 40.a7+-) 39.Kd1 (better 39.Rd7 Ke5 40.a7 Nb6+-) 39...Nb2 (39...f4+-) 40.Kc2 Na4 (40...Nc4 41.Rb7 Na3 42.Kc1+-) 41.Rd7 (41.Rb7 Nc5 42.Rb4 Ke5+-) 41...Kc4 (41...Kc5 42.a7 Nb6 43.Rb7+-) 42.a7 (better 42.Rb7 Kc5 43.a7+-) 42...Nb6 43.Rb7 Nd5 (43...Na8+-) 44.a8Q Nb4 45.Rb4! Kb4 Decoy theme: b4 46.Qb7 (46.Qb7 Kc4 47.Qh7+-) 1–0. BeepBeepImAJeep (2615) – filx95 (2070), lichess.org, 2018.

5.c4 a6 6.e3 ab5 7.ab5 Ra1 8.Ba1 0-0 9.d4=.

5.c4 a6 6.e3 ab5 7.ab5 Ra1 8.Ba1 Nbd7 9.Nf3 0-0 10.Be2 e5 11.0-0 Re8 12.d4 ed4 (12...Qe7 13.Nbd2=) 13.Nd4 Nb6 14.Nc3 Be6 (14...Nfd7 15.Nd5=) 15.Ne6 fe6 16.Qb3 Nbd7 17.Bb2 Nc5 18.Qc2 b6 (18...Nfd7 19.Ne4=) 19.Bf3 Qe7 (19...Rf8 20.Ra1+=) 20.Bc6 Rf8 21.Ne2 Ng4 22.Bg7 Qg7 23.h3 Ne5 24.Nd4 Qf6 25.Ra1 (25.f4 Nc6 26.Nc6 Ra8=) 25...Ned3 f2 seems the pivot of the position (25...Nc6 26.bc6 Rf7 27.Ra8 Kg7 28.Nb5=) 26.Rf1 (26.f3 Nb4 27.Qb1 Nc6 28.Nc6 Qg5=) 26...e5 (26...Nb4 27.Qd2 Nc6 28.Nc6=) 27.Bd5+= Kh8 28.Nc6 e4 29.Be4 Nf2 (worse 29...Ne4 30.Qd3 Re8 31.Nb4+-) 30.Rf2 (30.Qf2 Qf2) 30...Qa1?? (better 30...Qf2 31.Qf2 Rf2 32.Kf2 Ne4 33.Ke2 Nc5+=) 31.Kh2+- Rf2 32.Qf2 Qg7 33.Bd5 h6 34.Qh4 g5 35.Qg4 Qf6 (35...Qd7+-) 36.Qc8 Kg7 (36...Qd8 37.Qd8 Kg7 38.Qg8 Kf6 39.Qf7) 37.Qc7 (37.Qg8) 37...Kg6+- 38.Qe7 (better 38.Ne7 Kh7 39.Ng8 Qg7 40.Qd6+-) 38...g4 (38...Qe7 39.Ne7 Kf6 40.Nc8+-) 39.Be4 (39.Qe8 Kg5 40.Qg8 Qg6 41.h4 Kh5 42.Bf7 Qf7 43.Qf7 Kh4 44.Qf6 Kh5 45.Qf5 Kh4 46.g3) 39...Kg5 (39...Ne4 40.Qe4 Kf7 41.Qg4 Kf8+-) 40.h4! Kh5 (40...Kh4 Deflection from f6 41.Qf6 A beautiful mate combination) 41.Qf6 Ne4 42.Qf5 Kh4 43.Qe4 (43.g3 Ng3 44.Qf6 Kh5 45.Kg3 d5 46.Qf5) 43...h5 (43...Kg5 44.Qe6 g3 45.Kg3 h5 46.Ne7 h4 47.Kh3 d5 48.Qg6) 44.g3 (44.Qe7) 44...Kg5 45.Qf4 (45.Qe6 h4 46.Ne7 hg3 47.Kg3 d5 48.Qg6) 45...Kg6 46.Ne7 (46.Ne7 Kg7 47.Qg5 Kf7 48.Nd5 h4 49.Qf6 Kg8 50.Ne7 Kh7 51.Qf7 Kh6 52.Qg6; 46.Qf8 Kh7 47.Qf7 Kh6 48.Ne7 h4 49.Qg6) 1–0. BeepBeepImAJeep (2680) – Biriyani (2670), lichess.org, 2020.

5.c4 a6 6.e3 ab5 7.ab5 Ra1 8.Ba1 Be6 9.Nf3 0-0 10.Be2 c6 11.0-0 cb5 12.cb5 Qa5 13.Nc3 Nbd7 (13...Bd7 14.d4+=) 14.d4 (14.Nd4 Bd5+=) 14...Ra8 (14...Rc8 15.Qd2=) 15.Bb2 (15.Ng5 Ba2+=) 15...Nb6= 16.Qc2 Nc4 (16...Qb4 17.Ra1=) 17.Ra1+= Qd8 18.Ra8 Qa8 19.Bc4 (19.Ng5 Bf5 20.e4 Nb2 21.Qb2 Bd7+=) 19...Bc4= 20.b6 (better 20.Nd2!? Be6 21.e4=) 20...Qa6-/+ 21.Nd2 Be6 22.Na4 (22.e4 Qb6 23.d5 Bd7-/+) 22...Bd7 23.Nc3 Qb6 24.h3 Bc6 25.Ne2 Nd5 26.Nc4 (26.e4 Nc7-/+) 26...Qa6 27.Ng3 Nb4 28.Qb3 Nd5 (28...Qa4 29.Qa4 Ba4 30.Nb6-/+) 29.Nd2 (29.Qc2 Ba4 30.Qc1-/+) 29...Qa5-/+ 30.Nde4 b5 31.Nc3 Nc3 32.Bc3 Qa4 33.Qb2 e6 (33...Qd1 34.Kh2-/+) 34.Kh2-/+ d5 (34...Qc4 35.Qd2-/+) 35.f3 (better 35.Bb4!?-/+) 35...Bf8-+ 36.Ne2 (36.Bd2 Bd6-+) 36...Bd6 37.f4 b4 38.Bd2 b3 (better 38...Bb5 39.Nc1 Bc4-+) 39.Nc1=+ Qa5?? (better 39...Bb5 40.Nb3 Qc4=+) 40.Ba5+- Ba4 41.Bd2 (41.Nb3 Bb3 42.Qb3 Kg7+-) 41...g5 42.Nb3 gf4 43.ef4 f6 44.Nc5 (44.Nc5 Be8 45.Qb7+-) 1–0. BeepBeepImAJeep (2650) – Hanamaila (1940), lichess.org, 2017.

5.c4 Nh5 6.Nc3 0-0 7.e3 e5 8.Be2 f5 (8...Nf6 9.e4=) 9.Bh5+= gh5 10.Qh5 Qf6 (10...f4 11.e4+=) 11.Nge2 Qf7 12.Qf7 Rf7 13.0-0 (13.d4 Nd7+-) 13...Be6 14.d4 (14.d3 Nd7+-) 14...e4 (better 14...Bc4 15.Rfd1 a6=) 15.d5+- Bd7 (15...Bc8 16.a5+-) 16.Rab1 (16.f3 Re7+-) 16...Be8 (16...Bc8 17.f3 ef3 18.Rf3+-) 17.Nf4+- Nd7 18.Ne6 Be5 (18...Nb6!? 19.Nd1 Bh6+-) 19.Nc7+- Rc8 20.Ne8 Re8 21.Ne2 Bb2 22.Rb2 Nc5 (22...Rc8 23.Rc2+-) 23.a5 a6 (23...Nd3 24.Rc2 Rc8+-) 24.ba6 ba6 25.Rb6 Rd7 (25...Rf6 26.Rfb1+-) 26.Nd4 Red8 (26...Rf8 27.f3+-) 27.Nf5 Kf7 (27...h5 28.Rc6+-) 28.Nd4 (28.f3 ef3 29.Rf3 Kg6+-) 28...Kf6 (28...Ke8 29.f3 Rb7 30.Rb7 Nb7 31.Nc6 ef3 32.Nd8 Kd8 33.gf3 Na5 34.Ra1 Nc4 35.Kf2+-) 29.Rfb1 (29.f3 Kg7+-) 29...Ke5 (29...Rg8 30.Rc6 Re8 31.Rbb6+-) 30.f4 (better 30.Nc6 Kf6 31.Nd8 Rd8+-) 30...ef3 31.gf3 h5 (31...Rg8 32.Kh1+-) 32.Kf2 (32.Nc6 Kf6 33.Nd8 Rd8+-) 32...h4 (32...Rg8 33.Nc6 Kf5 34.e4 Kf4 35.Nd4 Nd3 36.Ke2+-) 33.Rg1 (33.Nc6 Kf6 34.Nd8 Rd8+-) 33...Nd3 (33...Kf6 34.e4+-) 34.Ke2 Nc5 35.Rg6 h3 (35...Re8 36.f4 Ke4+-) 36.Rb1 Rf7 37.Rbg1 Rdf8 (37...Rf3 38.Nf3 Kf5 39.R1g5 Ke4 40.Nd2) 38.R1g5 Rf5 39.Nf5 (39.Nc6) 39...Rf5+- 40.Rf5 (40.f4 Ke4+-) 40...Kf5 41.Rd6 Nb3 42.Ra6 Ke5 43.Ra8 (better 43.Re6!? Kf5 44.a6 Nc5 45.e4 Kg5 46.Re5 Kf6 47.Rf5 Ke7+-) 43...Kd6 44.a6 Nc5 45.a7 Kc7 46.Rc8! Kc8 Decoy theme: c8 47.a8Q Kc7 48.Qc6 Kd8 49.Qc5 Kd7 (49...Ke8 50.Qc7 Kf8 51.f4 Ke8 52.f5 Kf8 53.f6 Ke8 54.Qe7) 50.Qc6 (50.Qa7 Kd8 51.d6 Ke8 52.Qe7) 50...Ke7 51.Qe6 Kf8 (51...Kd8 52.c5 Kc7 53.Qe7 Kb8 54.c6 Kc8 55.Qd7 Kb8 56.Qb7) 52.Qd7 (52.d6 Kg7 53.d7 Kh7 54.d8Q Kg7 55.Qdg8) 52...Kg8 53.c5 Kf8 54.c6 Kg8 55.c7 Kf8 56.Kf2 (56.c8Q) 56...Kg8 57.Kg3 (57.c8Q) 57...Kf8 58.Kh3 (58.c8Q) 58...Kg8 59.Kg2 (59.c8Q) 59...Kf8 60.Kg3 (60.c8Q) 60...Kg8 61.Kf4 (61.c8Q) 61...Kf8 62.Kg4 (62.c8Q) 62...Kg8 63.Kg5 (63.c8Q) 63...Kh8 (63...Kf8 64.c8Q) 64.Kf5 (64.c8Q) 64...Kg8 65.Kg6 (65.c8Q) 65...Kh8 (65...Kf8 66.c8Q) 66.Qe7 (66.c8Q) 66...Kg8 67.Qh7 (67.c8Q) 67...Kf8 68.Qf7 (68.c8Q) 1–0. BeepBeepImAJeep (2755) – LV4444 (2420), lichess.org, 2019.

5.c4 Nh5 6.Nc3 0-0 7.e3 Nf6 8.Be2 c6 (8...Bf5 9.Nf3=) 9.Nf3 cb5 10.ab5 Nbd7 11.0-0 e5 12.h3 Re8 13.Qc2 Nc5 14.d4 Bf5 15.de5?? (better 15.Qd1 ed4 16.Nd4+=) 15…Bc2-+ (15...Bc2 16.ef6 Bf6-+) 0–1. RichardSommer (2130) – Dmitriev_Evgeniy (2220), lichess.org, 2020.

5.c4 Nh5 6.Bg7 Ng7 7.d4 a6=.

5.e3 0-0 6.Be2 e5 7.Nf3 Ng4 8.0-0 f5 9.h3 (9.d4 e4 10.Nfd2 Nf6+=) 9...Nf6= 10.g4?? (better 10.d4 e4 11.Nfd2=) 10...fg4-+ 11.hg4 Bg4 12.Nh2 Bh3 13.Re1 (better 13.Bf3 e4 14.Bg2 Bg2 15.Kg2-+) 13...Ne4 14.Bf3 (14.Nf3-+) 14...Qg5 15.Kh1 (15.Ng4 Bg4 16.Bg4 Rf2 17.Qe2 Qh4 18.Qc4 Kh8 19.Qg8 Kg8 20.Be6 Kh8 21.Be5 Qg5 22.Bg4 Qe5 23.Rf1 Qh2) 15…Nf2 0-1. nookieee - skopje123 (2430), Rated Bullet tournament, lichess.org, 2015.

5.e3 0-0 6.Nf3 c5=.

5.e3 0-0 6.h3 a6 (6...e5 7.d4+=) 7.Nf3 Bd7 (7...e5 8.Be2+=) 8.Be2 (8.Nc3 c6=) 8...ab5 9.ab5 Ra1 10.Ba1 c6 (10...Qe8 11.Nc3=) 11.Nc3 Qb6 (11...Qc7 12.0-0=) 12.Qb1 (12.0-0 Rc8=) 12...cb5 13.Bb5 (13.Nb5 Nc6=) 13...Bb5 (13...Rc8 14.Bd7 Qb1 15.Nb1 Nbd7 16.Ke2=) 14.Qb5 Qa6 15.0-0 Nc6 16.Qa6 (16.Qb3 Na5 17.Qb4 Ra8=) 16...ba6+= 17.d4 (17.Rb1 Rb8=) 17...Nb4 18.Ne1 (18.Rc1 Rc8-/+) 18...Rc8-/+ 19.f3 (19.f4 h5-/+) 19...Nfd5 (19...Bh6 20.Kf2-/+) 20.Nd5 Nd5 21.e4 (21.Kf2 Nb4-/+) 21...Nf4 (21...Nc3 22.d5-/+) 22.Rf2 (22.Kf2 a5+=) 22...Rc4 (22...Rb8 23.Kf1-/+) 23.c3+= d5 (23...Ra4 24.Bb2+=) 24.Kh2 (24.Ra2 de4 25.fe4 Rc6=) 24...Ra4 25.Bb2 de4 (25...Ne6 26.Nd3+=) 26.fe4 Ne6 (26...e5 27.Rd2=) 27.Nd3 (27.Nc2 h6=) 27...Nc7 (27...a5 28.Bc1=) 28.Bc1 (28.Nc5 Rc4=) 28...Nb5+= 29.Bb2 (29.Rb2 h5 (29...Nc3?? 30.Rb8 Bf8 31.Bh6 Ne4 32.Rf8) 30.Bd2 Rc4=) 29...Rc4 Attacks the pawn on c3 30.Rc2? (better is 30.e5+=) 30...Nd4! 31.Nf4?? (31.cd4 Rc2 Pinning (31...Rc2 Deflection)) 31...Nc2 0–1. Barrow,Aziz – Lidman,Stefan, Internet Section, 2004.

5.h4 0-0 6.e3 Nbd7 7.g4 Nb6 8.g5 Nh5 9.Bg7 Ng7 10.h5 Nh5 11.Rh5 gh5 12.Qh5 Bf5 13.Bd3 Bg6 14.Bg6 fg6 15.Qh3 Qd7 16.Qh1 Qf5 17.Nh3 Qc2 18.Nc3 Nc4 19.Rd1 Nb2 20.Rb1 Na4 21.Qd5 Rf7 22.Rd1 Nc3 23.dc3 Qc3 24.Kf1 c6 25.bc6 Qc6 26.Qe6 Raf8 27.Nf4 Qc8 28.Qd5 Qc6 29.Qe6 Qb5 30.Kg1 Qg5 31.Kf1 Qf6 32.Qa2 g5 33.Nh3 h6 34.Qa7 Qf5 35.Kg2 Qf3 36.Kh2 Qd1 37.Qb7 Rf2 38.Nf2 Rf2 39.Kg3 Qf3 40.Qf3 Rf3 41.Kf3 Kg7 42.Kg4 Kg6 43.e4 h5 44.Kg3 e6 45.Kf3 g4 46.Kg3 Kg5 47.Kf2 h4 48.Kg1 Kf4 49.Kh2 Ke4 50.Kh1 Kf4 51.Kg1 e5 52.Kh1 e4 53.Kg1 d5 54.Kh1 d4 55.Kg1 d3 56.Kh1 e3 57.Kg1 Kf3 58.Kf1 g3 59.Ke1 h3 60.Kd1 h2 61.Ke1 h1Q 0–1. IMwillie (1910) – Hurzzz (1900), lichess.org, 2020.

4.a4 e6

5.c4 c6 6.e3 cb5 7.cb5 a6 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 0-0 11.Be2 Nd5 (11...d6 12.d4=) 12.Bg7 Kg7 13.0-0 Qb6 14.d4 d6 15.Nbd2 (15.Qd3 Qa5+-) 15...Nd7 (better 15...Nc3 16.Qe1 Bd7=+ (worse 16...Nb5 17.Qa1+=)) 16.Qb3 N7f6 17.Nc4 Qc7 18.Rc1 Bd7 19.h3 Nb6 20.Rc2 Nc4 21.Bc4 Rc8 (21...Qb6 22.Ra2+=) 22.Bd3 Qb6 Exerts pressure on the isolated pawn 23.Nd2 Rc2 24.Qc2 (worse 24.Bc2 Qb5 25.Nc4 Qb3 26.Bb3 d5-/+) 24...Qc6?? (24...Nd5 25.Nc4 Qb5 26.Nd6 Qb4=) 25.bc6+- Bc6 26.Nc4 d5 27.Ne5 Ne4 (27...Ng8 28.Nc6 bc6 29.Qc6+-) 28.Be4 de4 29.Nc6 bc6 30.Qe4 f5 31.Qc6 Kf6 32.Qc7 (32.d5 f4 33.Qe6 Kg7 34.Qe7 Kg8 35.d6 fe3 36.d7 ef2 37.Kf2 h6 38.d8Q) 32...h6 33.Qe5 (better 33.Qd8 Kf7 34.Qd7 Kf6 35.Qe8+-) 33...Ke7 34.f4 (34.d5 g5 35.Qe6 Kf8 36.d6 Kg7 37.d7 h5 38.d8Q h4 39.Qdg8) 34...h5 35.d5 Kd7 36.Qe6 Kc7 37.Qf7 (37.Qc6 Kb8 38.d6 Ka7 39.d7 g5 40.d8Q gf4 41.Qdc7) 37...Kb6 38.Qd7 (38.Qg6 Kb5 39.Qc6 Kb4 40.d6 Ka3 41.Qc3 Ka4 42.d7 Kb5 43.d8Q Ka6 44.Qc6 Ka7 45.Qdc7) 38...Kc5 39.Qc6 Kb4 40.d6 (40.d6 g5 41.d7 h4 42.Qb6 Kc3 43.d8Q Kc2 44.Qdd4 gf4 45.Qbb2) 1–0. BeepBeepImAJeep (2585) – Pgpoppy839, lichess.org, 2016.

5.e3 0-0 6.c4 d5 7.Nc3 a6 8.Nf3 dc4 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 c6 12.bc6 Nc6 13.0-0 e5 14.Be2 (14.d3 Qe7=) 14...Nd7 (14...Bf5 15.d3=) 15.d3 f5 16.Qb3 Kh8 17.Nd5 (17.Rc1 Nc5 18.Qb5 Qa5=) 17...Nc5= Black intends e4 18.Qa2?? (18.Qc4 Be6 19.Qc5 Qd5=) 18...e4?? (better 18...Be6 19.e4 fe4 20.de4 Ne4-+) 19.Bg7= Kg7 20.de4 fe4 21.Nd2 Qg5 22.Nf4 Qe5 23.Nc4 Qf6 (23...Be6 24.Rc1 Qf6 25.Rb1+=) 24.Nd5 (24.Qa3 Ne6 25.Nd5 Qg5+/-) 24...Qf7 25.Nf4 Ne6 (25...Qf6!?=) 26.Ne6 (26.Qb2 Kh6 27.Nd6 Qd7+/-) 26...Be6 (26...Qe6 27.Qb2 Qf6 28.Qb1+=) 27.Qb2+/- Kg8 28.Nd6 Qd7 (28...Qe7 29.Ne4 Bd5 30.Nc3+/-) 29.Ne4+- (29.Nb7?! Rb8 30.Ba6 Nd8+=) 29...Bd5? (better 29...Qe7+-) 30.Nf6 Rf6 31.Qf6 Ne7 (31...Qe7 32.Qe7 Ne7 33.f3+-) 32.Rd1 (better 32.Ra1 Qe8 33.e4+-) 32...Qc6 (32...Qe6 33.Qg5 Bc6+-) 33.Qe7 Bg2 34.Rd8 (34.Rd8 Qe8 35.Re8) 1-0. brucepeng (2010) - tiluchi1969 (2035), lichess.org, 2020.

5.e3 0-0 6.c4 d5 7.Nf3 c5 8.Be2 b6 9.0-0 Bb7 10.d4 dc4 (10...Nbd7 11.Nbd2=) 11.Bc4 (11.dc5 bc5 12.Qc2 Be4 13.Qc4 Qd5+=) 11...cd4 (11...Nbd7 12.Nbd2=) 12.Nd4 Nbd7 13.Be2 Rc8 14.Bf3 Bf3 15.Qf3 Ne5 16.Qe2 Nd5 17.f4 Nc4 18.Ba3?? (better 18.Nc6 Rc6 19.Bg7 Kg7 20.bc6 Nde3 21.Ra3=+) 18...Re8 (better 18...Nce3 19.Nc6 Rc6-+ (19...Ba1?! 20.Nd8 Rfd8 21.Rf2-+)) 19.e4?? (19.Ra2 Nce3 20.Nc6 Rc6 21.bc6 Nf1 22.Qf1-+) 19...Bd4 (19...Nf4 20.Qf3 Qd4 21.Kh1 Qa1 22.Qf4 Na3 23.Nd2-+) 20.Kh1 Ba1 (20...Ba1 21.ed5 ed5-+) 0–1. RichardSommer (2040) – cuervo25 (2080), lichess.org, 2020.

5.e3 0-0 6.Nf3 a6 7.Be2 ab5 8.ab5 Ra1 9.Ba1 b6 10.0-0 Bb7 11.c3 d6 12.c4 Nbd7 13.d3 Nc5 14.d4 Nce4 15.Nbd2 Nd2 16.Nd2 Ne4 17.Ne4 Be4 18.Bf3 Bf3 19.Qf3 (worse is 19.gf3 d5 20.Qc2 Qg5 21.Kh1 Qh5+=) 19...Qa8 20.e4 Qa4 21.Qd3 Ra8 22.e5?? (better is 22.Bc3=) 22...Qa1-+ 23.ed6 cd6 24.h3 (24.d5 Qd4 25.Qb3-+) 24...Qd4 25.Qf3 Ra1 (25...Ra4!? 26.Rc1-+) 26.Ra1 Qa1 27.Kh2 Qd4 28.Qa8 Bf8 29.f3 (29.Qa2 h6-+) 29...Qc4 30.Qd8 (30.Qc6 Qf4 31.Kh1 d5 32.Qb6 Bd6-+) 30...d5 31.Qb6 d4 32.Qc6 Qc6 33.bc6 d3 34.Kg3 Bd6 (better is 34...d2 35.c7 Bd6 36.Kf2 Bc7 37.Ke2-+) 35.Kf2 Kf8 (better is 35...Bc5!? 36.Ke1 Bb4 37.Kf2-+) 36.Ke3 Ke8 37.Kd3 Kd8 38.Kc4 Kc7 39.Kd4 (39.Kb5 f5 40.h4 e5-+) 39...f6 40.Ke4 Kc6 41.f4 Kc5 42.g3 f5 43.Kf3 e5 (better is 43...Kd4 44.g4-+) 44.fe5 Be5 45.g4 f4 46.Ke4 g5 47.Kf5 (47.Kf3-+) 47...f3 (47...Kd5 48.Kg5 f3 49.Kh6 f2 50.Kh7 f1Q 51.g5 Qf7 52.Kh6 Bg7 53.Kh7 Bf8 54.Kh8 Qg7) 48.Ke5-+ f2 49.Kf5 f1Q 50.Kg5 Qh3 51.Kf4 h5 (better is 51...Qh4!? 52.Kf3-+) 52.g5 (52.gh5 Qh5 53.Ke4 Qg4 54.Ke5 Qd4 55.Kf5 Qd3 56.Ke5 Qe2 57.Kf5 Kd5 58.Kf6 Qe5 59.Kf7 Qf5 60.Ke7 Qf1 61.Ke8 Ke6 62.Kd8 Qc1 63.Ke8 Qc8) 52...Qg4 (52...Qg4 53.Ke5 Qg5 54.Ke4 h4 55.Kf3 Kd4 56.Kf2 Qg3 57.Kf1 Qh2 58.Ke1 Ke3 59.Kf1 Qf2; 52...Kd4 53.g6 Qg4) 0–1. GULP – Arete2, Live Game Caissa's Web, 2004.

5.e3 d6 6.c4 (6.Nf3 e5=) 6...b6 (6...0-0 7.d4=) 7.Nf3 (7.Qf3 d5=) 7...Nbd7 (7...c5 8.d4=) 8.Be2 Bb7 9.0-0 0-0 10.d3 (10.Nc3 c5=) 10...Qe7 (10...c5 11.bc6 Bc6 12.Nc3=) 11.Qc2 (11.a5 ba5 12.Ra5 a6=) 11...Rac8 (11...c5 12.Nbd2=) 12.Nbd2 (better is 12.a5+=) 12...d5? (better is 12...c6+=) 13.Ba3+- Nc5 (13...Qd8 14.Bf8 Qf8 15.Rfc1+-) 14.d4 Nfe4 (14...c6 15.dc5 bc5 16.Rac1 dc4 17.Bc4+-) 15.Ne4 (15.Rac1 c6+-) 15...de4 16.Ne5 (better is 16.Nd2 Rfd8 17.Rad1+-) 16...Be5 (better is 16...Qg5+/-) 17.Bc5 (17.de5 Rfd8+/-) 17...bc5 (better is 17...Bh2 18.Kh2 bc5 19.dc5 Qc5=) 18.de5+/- Qg5 (18...c6+/-) 19.a5 (19.Qc3 Rfd8+/-) 19...Rcd8 (better is 19...Qe5!? 20.Rfd1 Rcd8+=) 20.Qb2 f5 (20...Rd7 21.Rfd1 Rfd8 22.Rd7 Rd7 23.Rd1 Rd1 24.Bd1+/-) 21.a6 (21.ef6 Rf6 22.Rad1 Rff8+-) 21...Ba8+/- 22.Qa3 f4? (better is 22...Qe7!?+/-) 23.ef4+- (23.Qc5? f3 24.Bf3 ef3-+) 23...Rf4 (23...Qe7 24.Qe3+-) 24.Qc5 e3 25.f3 Rh4? (25...Rfd4 26.Qc7 R4d7 27.Qc5+-) 26.Ra3 (26.Qc7 Rh5+-) 26...Qh5 (26...Rd2 27.Qe3 Qe3 28.Re3 Rhd4+-) 27.h3 (better is 27.Qc7 Rf8 28.h3+- (28.Qa7?? Rh2 29.Qe3 Qh4 30.c5 Rh1)) 27...Rh3 28.Qc7 (28.gh3 Qh3) 28...Qg5 (28...Rh1) 29.Qg7?? (29.Qd8 Qd8 30.gh3 Qg5 31.Kh2 Qf4 32.Kg2 Qg5 33.Kh1=) 29...Kg7-+ 30.Rf2 (30.Rf2 Qg3 31.Re3 Qh2 32.Kf1 Qh1). ZMeB4 (1685) – sentry, caissa.com, 2007.

5.e3 Nh5 6.d4 0-0 (6...d5 7.Nf3=) 7.Be2= Nf6 8.c4 d5 9.Nf3 dc4 10.Bc4 a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 c6 14.Nbd2 cb5 15.Bb5 Nc6 (15...Bd7 16.Qe2+=) 16.Qb3 Qc7 17.Bd3 Bd7 18.h3 (18.Rc1 Nd5+=) 18...Nd5 19.Rb1 Na5 20.Qb2 b6 (20...Rc8 21.Ne5+=) 21.Be4 Rc8 22.Bd5 (better 22.Ne5!?+=) 22...ed5=+ 23.Ne5 (23.Qb4 Bf5 24.Re1 Bd3=) 23...Be5 (23...Bf5!? 24.Re1 Qc2=+) 24.de5= Be6 25.Nf3 (25.Qb6? Qb6 26.Rb6 Rc1 27.Kh2 Ra1-+) 25...Kg7 (25...Nc4 26.Qd4=) 26.Nd4 (26.Qb4 Bf5 27.Rd1 Kg8+=) 26...Nc4= 27.Qe2 h6 (27...Kg8 28.Nb5 Qd8 29.Bd4+=) 28.f4 (28.Nb5 Qd8+=) 28...Qc5 29.Rf1 (29.Bc3 Qa3 30.Qe1 Qe7=) 29...Re8 (29...Ra8 30.Bc3=) 30.g4 Bd7?? (better 30...Qc7=) 31.e6!+- Be6?? (31...Re6 32.Ne6 Theme: Double Attack) 32.Ne6 Theme: Double Attack 32...Kg8 (32...Kh7 33.Nc5 bc5 34.Be5+-) 33.Nc5 bc5 34.Be5! f6 (34...Ne5 35.f5) 35.Bf6 (better 35.Qd3 Kg7 36.Qd5 Rf8+-) 35...Re3 36.Qf2 (better 36.Qd1 Rg3 37.Kf2 Rg2 38.Ke1+-) 36...Rh3 (36...Kf7 37.Rc1 Rd3+-) 37.Qc5 Rg3 38.Kh2 (38.Kf2 Re3 39.Rb1 Nb2 40.Qd5 Kf8 41.Ke3 Nc4 42.Qc4 Ke8 43.Qe6 Kf8 44.Rb8) 38...Rg4 39.Qd5 (39.Qd5 Kf8 40.Qd8 Kf7 41.Qe7 Kg8 42.Qg7) 1–0. BeepBeepImAJeep (2575) – AbbotHayes (2195), lichess.org, 2016.

5.h4 0-0 6.Nf3=+.

5.h4 Nh5 6.Bg7= Ng7 7.h5 (7.d4 d6=) 7...Qf6 (7...Nh5 8.Nf3=+) 8.c3 Nh5 9.Rh5? (better 9.d4=+) 9...gh5-+ 10.Na3 c6 (10...e5 11.d4-+) 11.Nc4 (11.d4 d5-+) 11...0-0 (11...d5 12.Nd6 Kd7 13.Nc8 Kc8 14.e3-+) 12.e3 d5 13.Nb2 cb5 14.Qh5 (14.ab5 h4-/+) 14...Qg6 (14...ba4 15.Nf3 Qg6 16.Qh4-+) 15.Qh2 (better 15.Qg6 hg6 16.ab5-/+) 15...Qc2?? (better 15...ba4 16.Nf3 b6-+) 16.Ra2 (better 16.Bd3 Qd3 17.Nd3 ba4 18.Ra4+-) 16...Qb3 (better 16...Qb1 17.Nd1 Qa2-+) 17.Bd3 f5 18.Qg3 Kf7 19.Qc7 (19.Bb1 ba4 20.Qh2 a3 21.Qh7 Ke8 22.Qh5 Ke7-+) 19...Nd7 20.Bb5 (20.Bb1 ba4 21.Nf3-+) 20...Qa2 21.Bd7 Bd7 22.Qd7 Kf6 23.Nf3 Qb2 24.Qh7 (24.Ng5 Qb1 25.Ke2 Qb6 (25...Kg5 26.Qg7 Kh5 27.Qh7 Kg5 28.Qg7 Kh5 29.f4 Qf1 30.Kf1 Rg8 31.Qh7 Kg4 32.Qh3) 26.Nh7 Kg6 27.Nf8 Rf8-+) 24...Rf7 (better 24...Qa1 25.Ke2 Qa4 26.Qh6 Ke7-+) 25.Qh4 Kg7 26.Qg5 Kf8 27.Ne5 Qb1 28.Ke2 Qe4 (better 28...Qh1!? 29.Qg6 Qh7 30.Qe6-+) 29.Qh6 Ke8?? (better 29...Kg8 30.Qe6 Raf8 31.f3 Qa4 32.Qd5-+) 30.Qh8 (30.Qe6 Kd8 31.Nf7 Kc7 32.Qd6 Kc8 33.Qd8) 30...Ke7 (30...Rf8 31.Qg7 Qa4 32.Ng6 Qa6 33.d3-+) 31.Qa8 Qe5 32.Qb7 Kf6 33.Qb4 Re7 (33...Qe4 34.Qe4 fe4 35.a5-+) 34.Qh4 Kf7 35.Qh7 (35.Qh5 Kf8-+) 35...Ke8 36.Qh3 (36.Qh5 Kd7 37.g4 a5-+) 36...Kd7 37.Qf3 (37.Qh4 a5-+) 37...Kd6 (37...Rg7 38.Kf1-+) 38.Qh5 (38.g4 Rf7-+) 38...Qe4 39.Qf3 (39.Qh2 Kc6 40.Qh8 Qa4 41.Qc8 Kb6 42.Qd8 Rc7 43.Qd6 Qc6 44.Qe5-+) 39...Qe3 (better 39...Qa4 40.Qg3 Kd7-+) 40.Ke3+- f4 (40...Rc7 41.Qg3 Kd7 42.Qg7 Kd6 43.Qf8 Kd7 44.Kf4+-) 41.Ke2 (41.Qf4 Kc6+-) 41...d4 (41...e5 42.Qd3 e4 43.Qa6 Ke5 44.Qg6+-) 42.Qh3 (42.Qf4!? e5 43.Qf6 Kd7 44.cd4 ed4 45.Kd3 Re6+-) 42...e5 (42...dc3 43.Qd3 Kc7 44.Qc3 Kd8+-) 43.Qg3 (43.cd4 ed4 44.Kd3 Rf7+-) 43...Kd5 (43...fg3 44.cd4 ed4 45.Kf3 gf2 46.Kf2-+) 44.Kd3 (44.Qg8!? Kd6+-) 44...Re6 (better 44...fg3 45.f3 Rh7 46.c4 Ke6 47.f4-+) 45.Qg6 (better 45.Qg5 dc3 46.dc3+-) 45...e4 (better 45...Rg6 46.c4 Kc5 47.Ke4-+) 46.Qe4 Re4 47.c4 (47.c4 Ke5 48.a5-+). unjournakamura (2250) - nabeelgh (2085), Rated Bullet game, lichess.org, 2017.

4.a4 Nh5

5.c3 e5 6.e3 Nf6 7.Be2 d6 8.c4 Be6 (8...0-0 9.d4=) 9.d4 0-0 10.d5 Bd7 11.Nf3 a6 12.0-0 ab5 13.ab5 c6?? (better 13...Ra1 14.Ba1 Bf5=) 14.Ra8+- cd5 15.cd5 Nd5 (15...Bf5 16.Nc3+-) 16.Nc3 (16.Qd5!? Be6 17.Qb7 Bb3+-) 16...Nb4 (16...Nc3 17.Bc3 e4+-) 17.Qb3 (17.Ba3 e4 18.Ne4 d5+-) 17...e4 (17...N4c6 18.bc6 Bc6 19.Rd1+-) 18.Nd4 (better 18.Ne4 Bb2 19.Qb2 f5 20.Nd6 Nd3 21.Qb3 Kg7 22.Qd3 Qf6+-) 18...Nd3 19.Bd3 ed3 20.Nd5 Be6 (20...Be5 21.Qd3 Be6 22.Qe4+-) 21.e4 (better 21.Ne6 fe6 22.Bg7 Kg7+-) 21...Bd4 (21...d2 22.Ne6 fe6 23.Bg7 Kg7 24.Qb2 Kg8 25.Ne3+-) 22.Bd4 Qg5 23.Qd3 (better 23.Ra7!? Re8+-) 23...Bd5 24.ed5 Qd5 25.Rd1 Qe6 (25...Nd7 26.Rf8 Nf8 27.Be3 Qd3 28.Rd3+-) 26.Bb6 (better 26.Ra7!? Rc8+-) 26...Nd7 27.Rf8 Kf8 28.Bc7 (28.Qc3 Kg8 29.Qc8 Kg7 30.Bd4 f6+-) 28...d5 29.Qd5 Qe2 (29...Qd5 30.Rd5 Ke8+-) 30.Qd7 (30.Qd7 Qe6 31.Qd4+-) 1–0. RichardSommer (1990) – Berserker30 (2040), lichess.org, 2020.

5.d4 0-0 6.e3 a6 7.Be2 Nf6 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 c6 11.Nbd2 cb5 12.Bb5 Nc6 13.0-0 d5 14.Be2 e6 15.c4 dc4 16.Nc4 Nd5 17.Bb2 Na5 (better 17...b5!? 18.Nce5 Ne5 19.de5 b4+=) 18.Ba3+- Re8 (better 18...Nc4!? 19.Bf8 Nce3 20.fe3 Bf8+-) 19.Nd6+- Bd7 20.Ne8 Be8 (20...Nc3 21.Qc2 Ne2 22.Qe2 Qe8 23.Rb1+-) 21.Bd3 Nc6 22.Qc2 (22.Qb3 Na5 23.Qc2 Bf6+-) 22...Bf8 (better 22...Ndb4 23.Qb1 Nd3 24.Qd3 b5+-) 23.Bf8 Kf8 24.Rb1 Qd7 (24...Ncb4 25.Qd2 Nd3 26.Qd3+-) 25.Qc5 Kg7 26.Bb5 Nde7 (26...Qd8 27.e4 Nf6 28.Bd3+-) 27.Ne5 (27.Qb6 Qc8+-) 27...Qc7 28.Bc6 (28.Nc4 Bd7+-) 28...Nc6 (28...Bc6 29.Nc4+-) 29.h3 f6 30.Nc4 Qd7 31.Nd6 Bf7 (31...Nd8+-) 32.Rb7 (32.Rb7 Qb7 33.Nb7+-) 1–0. BeepBeepImAJeep (2555) – CROM22 (2015), lichess.org, 2018.

5.e3?? Bb2-+ 6.Ra2 Bg7 7.g4 Nf6 8.h4 d6 9.h5 (9.g5 Ne4 10.Bg2-+) 9...Bg4 10.Be2 Bh5 11.Bh5 Nh5 12.Rh5 (12.Nf3 e5-+) 12...gh5 13.Qh5 Nd7 14.Nf3 Bf6 15.Rb2 (15.d4-+) 15...Bb2 16.Ng5 Rf8 17.Ne6 Qc8 (17...Nf6 18.Nd8 Nh5 19.Nb7-+) 18.d4 (18.Nf8 Nf8 19.c4 Bg7-+) 18...Nf6 19.Ng7 Kd8 20.Qg5 Qg4 (better 20...Rg8 21.Qg2-+) 21.Qh6 Qg6 (better 21...Qg1 22.Ke2 Rg8 23.Nd2-+) 22.Qh4 (22.Ne6 fe6 23.Qf8 Ne8 24.Nd2-+) 22...Qg7 (better 22...Qc2 23.Nd2 Bc3 24.Kf1-+) 23.Nd2 Bc3 24.Ke2 Bd2 (better 24...Qg6 25.e4-+) 25.Kd3 Qg4 (better 25...Ba5 26.Qg3 Qg3 27.fg3 Rg8-+) 26.Kc4 Qh4 27.b6 (27.Kb3 Qf2 28.Ka2 Qf1 29.c3 Qc4 30.Kb2 Qc3 31.Ka2 Bc1 32.e4 Qb2) 27...cb6 (27...Qh1 28.bc7 Kc7 29.c3 Qf1 30.Kb4 Qb1 31.Kc4 d5 32.Kc5 Qb6) 28.Kb5 (28.c3 Qe4 29.a5 Qb1 30.d5 b5 31.Kd4 Qe4) 28...Rc8 (28...Qe4 29.c3 Qb1 30.Kc4 d5) 29.a5 Ba5 (29...Qg5 30.Ka4 Rc4 31.Ka3 Qa5 32.Kb3 Rb4) 30.d5 (30.f3 Qe1 31.c3 Qd1 32.e4 Qb3) 30…Qb4 (30...Qc4) 0-1. is_er_nog_hoop (2515) - Shant7777777 (2765), Checkmate Coronavirus Bullet Arena, lichess.org, 2020.

5.e3?? Bb2-+ 6.c3 Ba1 7.Na3 Bb2 8.Nc4 Bc3! 9.dc3 Nf6 10.Nf3 Ne4 11.Qc2 d5 12.Nb2 Bf5 13.Bd3 Nf2! 14.Kf2 Bd3 15.Nd3 Nd7 16.Rd1 Nc5 17.Nc5= b6 18.Nb3 c5 19.bc6 Qc7 20.Nbd4 e5 21.Nb5 Qc6 22.Ne5 Qf6 23.Nf3 0-0 24.Rd5 Rad8 25.Rd8 Rd8 26.e4 a6 27.Nbd4 h5 28.e5 Qf4 29.g3 Qg4 30.Kg2 f5? 31.ef6 Rf8 32.h3 Qd7 33.Qg6 Qg7 34.fg7 (34.fg7 Re8 35.Ng5 Re2 36.Ne2 b5 37.Qf7; 34.Qg7) 1–0. poganinbezdom – kimotosan, kurnik, 2011.

5.Bg7 Ng7 6.c4 d5 7.Qc2 Be6 8.Qc3 0-0 9.cd5 Qd5 10.Nf3 (10.Qc7? Rc8 11.Nc3 Rc7 12.Nd5 Bd5-+) 10...c6 11.Nd4 cb5 12.Nb5 (12.ab5? Rc8 13.Nc6 bc6-+ (13...Nc6?! 14.bc6 Rc6 15.Qa3-+)) 12...Rc8 13.Qb2 Na6 14.N1c3 Qg5 15.e3 Nc5 16.f4 Qh4 17.g3 Qf6 18.Bg2?? (better is 18.d4 a6 19.Na3=) 18...a6 (better is 18...Nd3 19.Ke2 Nb2 20.Bb7 a6-+) 19.0-0 ab5 20.ab5 Ra1 21.Ra1 Nd3 22.Qc2 Nb4?? 23.Qa4 Nd3 24.Bb7 Rf8 25.Ne4 Qb2 26.Qd4 Qd4 27.ed4 Nf5 28.Bc6? Nd4-+ 29.Ra4 Nc6 30.bc6 Rc8 31.Ra6 Nb4 32.Rb6 Nc6 33.Nc5 Nd4 34.Ne6 Ne6 35.Kf2 Kg7 36.Ke3 h5 37.d4 Rc3 38.Kd2 Ra3 39.d5 Nc5 40.Rb5 Ne4 41.Ke2 Nc3 42.Kd2 Nb5 43.Kc2 Nc7 44.Kb2 Rf3 45.Kc2 Rf2 46.Kd3 Rh2 47.Kc4 Rg2 48.Kc5 Rg3 49.d6 ed6 50.Kd6 Rf3 51.Ke5 Rf4! 52.Kf4 h4 53.Kg4 g5! 54.Kh3 Kg6 55.Kg4 f5 56.Kf3 Kh5 57.Kg2 ½–½. wk1234 – yarri, kurnik, 2012.

5.Bg7 Ng7 6.g4 0-0 7.Bg2 d6 8.c4 Nd7 (worse is 8...Bg4 9.Bb7 Nd7 10.Ba8 Qa8 11.f3+/-) 9.Qc2 Nc5 10.h3 e5 11.Nf3 Nge6 12.Nc3 Qf6 13.Ne4 Ne4 14.Qe4 Nc5 15.Qc2?? (better is 15.Qe3=) 15...e4-+ 16.0-0 ef3 17.Bf3 Rb8 18.Rad1 b6 19.d4 Ne6 20.d5 Nc5 21.e4?? (21.Bg2 a6-+) 21...Qh4 (better is 21...Qf3 22.Rde1 Qh3-+) 22.Kh2 a6 23.Qe2 ab5 24.ab5 Qe7 25.Qe3 Qe5 26.Kg2 Ra8 27.Qe2 Bb7 28.Ra1?? Ra1 29.Ra1 Qa1 30.e5 Qe5 31.Qe5 de5 32.d6 cd6 33.Bb7 Nb7 34.Kf3 Na5 35.Ke4 Nc4 36.Kd5 Na3 37.Kc6 Nb5! 38.Kb5 d5 39.Kb4 Rc8 40.Kb5 d4 41.Kb6 d3 42.Kb7 Rc1 (42...Rc1 43.Ka7 d2 44.f4 d1Q 45.fe5 Qb3 46.e6 Ra1#; 42...Rc2 43.Kb6 d2 44.Kb7 d1Q 45.Ka6 Rb2 46.g5 Qa4#) 0–1. wk1234 – zaba78, kurnik, 2012.

5.Bg7 Ng7 6.h4 0-0 7.g3 e6 8.Bg2 d5 9.Nc3 c5 10.d3 a6 11.Nf3 ab5 (better is 11...Qa5!? 12.Qd2 ab5+=) 12.ab5= Ra1 13.Qa1 Nd7 14.0-0 b6 15.e4 d4 16.Ne2 Bb7 17.c3 dc3 18.Nc3 Ne8 19.Rd1 Nd6 20.e5 (20.d4 Qe7 (worse is 20...Ne4 21.Ne4 Be4 22.dc5+=; worse is 20...Be4 21.Ne4 Ne4 22.Ne5+/-) 21.Qb1 f5=) 20...Nf5 (20...Bf3 21.Bf3 Ne5 22.Bg2-/+) 21.d4? Ne7?? 22.dc5+/- bc5 23.Na4 Qc7= 24.Qc3 c4 25.Nd4 Nd5 26.Bd5= Bd5 27.b6 Qb7 28.Nb5 Ra8 29.Nd6 Qc6 30.Nb2 Qb6 31.Nbc4= Bc4 32.Qc4 Qc5?? 33.Qc5+= Nc5 34.Rc1 Ra5 35.Nc4 Nd3 36.Rd1 Ne5?? 37.Ne5 Re5-/+ 38.Rd8 Kg7 39.Kg2 h5 40.f4 Re2 41.Kf3 Ra2 42.Rd3 Ra1 43.Kg2 Ra2 44.Kf3 Kf6 45.Rd7 Ra3 46.Kg2 Ra5 47.Kf3 e5 48.Rd6 Ke7 49.Rb6 Ra3 50.Ke4 ef4 51.gf4 Ra4 52.Kf3-/+ Ra3 53.Ke4 Ra1 54.Rb7-/+ Kf6 55.Rb6 Kg7 56.Kf3 Rh1 57.Kg3 Rg1 58.Kf3 Rg4 59.Rb5 Rh4 60.Rg5 Rh3 61.Ke4 Ra3 62.f5 Ra5 63.Kf4?? Ra4 64.Ke5 Ra5 65.Kf4 Ra4 66.Kf3?? Rg4! 67.Rg4 hg4 68.Kg4 Kf6 69.fg6 fg6 70.Kf4= g5 71.Kg4 Kg6 72.Kg3 Kh5 73.Kf3?? Kh4-+ 74.Kg2 g4 75.Kh2= g3 76.Kg2 Kg4 77.Kh1?? Kf3-+ 78.Kg1 g2 79.Kh2 Kf2 80.Kh3 g1Q 81.Kh4 Kf3 82.Kh5 Kf4 83.Kh6 Kf5 84.Kh7 Kf6 85.Kh8 (85.Kh6 Qg6#). wk1234 – gedis1, kurnik, 2012.

4.Nc3 0-0

5.e4 Ne4!=+ 6.Nge2 d6 7.d3 Nc3 8.Bc3 b6 9.Bg7=+ Kg7 10.Nf4 Bb7 11.h4 e5-+ 12.Nh3 Qh4 13.g3?? Qb4 14.Qd2 Qd2 15.Kd2 Bh1 16.Be2 Bb7 17.c4 Nd7 0–1. mic (2200) – jvanmechelen (2510), net–chess.com, 2008.

5.Nf3 d6 6.g3 e5 7.Bg2 Bg4 8.h3 Bf3 9.Bf3 c6 10.0-0 Qc7 11.e4 Nbd7 12.a4 Rad8 13.Rb1 c5 14.Bg2 b6 15.d3 Rfe8 16.Bc1 Nf8 17.Bg5+/- Rc8 18.Bf6 Bf6 19.Nd5 Qd8 20.Qf3 Bg7 21.h4 h5 22.Bh3 Rb8 23.Qe2 Ne6 24.c3 Nc7 25.Ne3 d5 26.ed5 Nd5 27.Nd5 Qd5 28.Bg2 Qd6 29.c4 f5 30.Bd5 Kh7 31.f3 e4+= 32.fe4 Qg3=+ 33.Qg2 Qd3 34.Bf7 Bd4 35.Kh1 g5 36.Be8+= Re8 37.ef5?? Re2 38.Qb7 Bg7 39.Qf3 Qf3 40.Rf3+/- g4 41.Rg3 Be5 42.Rg2 Re3 43.Kg1 Kg7 44.Rf1 Kf6 45.Rd1 Bd4 46.Kf1 Rf3=+ 47.Ke2 Re3 48.Kd2 Ra3 49.Re2 Ra4 50.Kd3 Ra3 51.Ke4 Rf3 52.Rd3 Rd3-+ 53.Kd3 Kf5 54.Ra2?? g3-+ 55.Ra7 g2 56.Rg7 g1Q (56...g1Q 57.Rg1 Bg1-+; 56...Bg7 57.Ke3 g1Q 58.Kd2 Qf2 59.Kd3 Qg2 60.Ke3 Bh6 61.Kd3 Qd2#) 0–1. mic (2230) – maaac (2365), net–chess.com, 2009.

4.c4

4.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.b5).

4.c4 0-0 5.a4 (--> 4.a4 0-0 5.c4).

4.c4 0-0 5.a4 a6 6.e3 d6 (--> 4.a4 0-0 5.c4 d6 6.e3 a6).

4.c4 a6 5.a4 0-0 6.e3 d6 (--> 4.a4 0-0 5.c4 d6 6.e3 a6).

4.c4 b6 5.a4 0-0 (--> 4.a4 0-0 5.c4 b6).

4.c4 b6 5.d4 0-0 6.e3 d6 7.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 b6 7.b5).

4.c4 c6 5.a4 0-0 (-->4.a4 0-0 5.c4 c6).

4.c4 d6 5.a4 0-0 (--> 4.a4 0-0 5.c4 d6).

4.c4 d6 5.e3 e5 6.a4 0-0 (--> 4.a4 0-0 5.c4 d6 6.e3 e5).

4.a4 0-0

4.e3 (--> 3.e3 Bg7 4.b5).

4.e3 0-0 5.a4 (--> 4.a4 0-0 5.e3).

4.e3 0-0 5.c4 d6 6.Nf3 e5 7.Be2 Nbd7 8.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.b5).

4.e3 0-0 5.Nf3 c5 6.c4 a5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5 c5).

4.e3 d5 5.Nf3 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.b5 0-0 5.Nf3 d5).

4.e4

4.e4 (--> 3.e4 Bg7 4.b5).

4.e4 0-0 5.e5 Nd5 (--> 3.e4 Bg7 4.e5 Nd5 5.b5 0-0).

4.Nf3

4.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.b5).

4.Nf3 0-0 5.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.b5 0-0 5.Nf3).

3.c3 Bg7

4.Na3 0-0 5.Nc2 e5 (5...d5 6.Nf3-/+) 6.e3 (6.g3 a5-/+) 6...d5 7.h4 Re8 8.h5 (8.Be2!?-/+) 8...Nh5-+ 9.Rh5 (9.Be2 Nf6 10.Nf3-+) 9...gh5 10.Qh5 Qf6 (10...Re6 11.Qe2-+) 11.Nh3 (11.Nf3 Qf5 12.Qf5 Bf5-+) 11...Qg6 12.Qd1 (12.Qg6 hg6 13.c4 c6-+) 12...Bh3 (12...Bg4 13.f3 Bh3 14.gh3-+) 13.gh3 Nd7 14.d4 (14.b5 Nc5-+) 14...e4 (14...a5 15.Qd3-+) 15.Qe2 f5 (15...Nb6!? 16.Qg4-+) 16.0-0-0 Bh6 (16...Nb6 17.f4-+) 17.Qb5 (17.f4 Kh8-/+) 17...Qc6 (17...Nb6 18.Qa5-+) 18.Qe2 (18.Qa5 Bg7-/+) 18...Kh8 19.Ne1 (19.h4 Nb6-+) 19...f4 (19...Nb6 20.Nc2-+) 20.ef4 Nf8 21.Ng2 Ng6 22.Qg4 (22.Kb1 Nf4 23.Nf4 Bf4-+) 22...Rf8 (22...Nf4 A) 23.Nf4?? Rf8 24.Qh5 Rf4-+ (24...Bf4?! 25.Kb1-+); B) 23.Ne3-+) 23.Kb1 Nf4 24.Nf4? (better 24.Ne3-+) 24...Rf4 (24...Bf4?! 25.c4 Qa4 26.cd5 Qb4 27.Qe2-+) 25.Qg3 (25.Qe2 Raf8 26.Qc2 Rf2-+) 25...Rg8 26.Qh2 (26.Qe3 Rf3 27.Bb5 Qf6-+) 26...Rgf8 27.b5 (27.f3 Rf3 28.Qg1 Rf2-+) 27...Qf6 28.Rd2 (28.f3 Rf3 29.Bg2-+) 28...Rf2 29.Rf2 Qf2 30.Bg2 Bf4 (30...Qe1 31.Kc2 Qe2 32.Kb3 Qb5 33.Ka3 Rf6 34.Qd6 Rd6 35.Be4 Ra6) 31.Qh1-+ e3 32.Bc1 e2 33.Bf4 e1Q 34.Bc1 Qc3 35.Bd5 (35.Be4 Qb4 36.Ka1 Qfd4 37.Bb2 Qbb2) 35…Qfc2 0-1. Nov75 (1885) - Lance5500 (2620), lichess.org, 2017. (=1.c3 Nf6 2.b4 g6 3.Bb2)

4.d4 d5 5.g3 (5.e3 Bg4 6.Nf3 0-0=) 5...Bf5 6.Bg2 Bb1 (6...a5 7.Nf3+=) 7.Rb1= c6 8.Nf3 Nbd7 9.0-0 0-0 10.h3 Nb6 11.Nd2 e6 (11...a5 12.ba5 Ra5 13.Qb3=) 12.f4 Qc7 13.a4 (13.e4 de4 14.Ne4 Nbd5 15.Nf6 Bf6=) 13...Rfd8 (13...a5 14.Ra1+=) 14.a5 Nc4 (14...Nc8!?=) 15.Nc4+= dc4 16.e4 Nh5 (16...b6 17.Ra1+/-) 17.Rf3 (17.Qf3 c5 18.bc5 Nf6+-) 17...Nf6 18.Qe2 White plans e5 18...b5 19.e5 (19.ab6 ab6 20.e5 Nd5 21.Qc4 b5+/-) 19...Nd5+= 20.Rbf1 Rd7 21.g4 a6 22.h4 (22.f5 c5 23.fe6 fe6 24.bc5 Qa5+=) 22...Rf8 23.Rg3 (23.f5 ef5 24.gf5 Re8+/-) 23...Qd8 (23...f6=) 24.Bd5 (24.h5!?+=) 24...cd5 (24...Qh4 25.Qg2 cd5 26.g5+/-) 25.g5 Qe7 26.Rf2 h6 (better is 26...Bh8!? 27.h5 Qd8=) 27.h5+/- Kh7 28.Rh2 Rh8 29.gh6 Bh6 30.hg6 fg6 1–0. giraira – pikkendorff, gameknot.com, 2017. (=1.c3 Nf6 2.b4 g6 3.Bb2 Bg7)

4.h3 d5 5.g4 e5 6.Bg2 c6 7.c4 Be6 8.Be5 dc4 9.Nf3 Nbd7 10.Bc3 0-0 11.Nd4 Bd5 12.f3 Re8 13.Kf2 (13.Qc2 b6 14.e4 c5-+) 13...a5 14.e4?? (14.ba5 Nh5 15.Nf5 Bc3 16.Nc3 Nf4-/+ (16...Ra5?! 17.Nd6 Re6 18.Nb7 Qb6 19.e3 Qb7 20.gh5=)) 14...Be6 (better 14...ab4 15.ed5 Nd5-+) 15.ba5 Nc5 16.h4?? (better 16.Ne6 Nd3 17.Kg1 Re6 18.Bf1-/+) 16...Ng4!-+ 17.fg4 Bd4 18.Kf1 Qf6 19.Qf3 Qe5 (better 19...Ne4 20.Rh3 Nd2 21.Nd2 Bc3 22.Qf6 Bf6-+) 20.Bd4 Qd4 21.Nc3 Ra5 22.h5 (22.Qf2 Qf2 23.Kf2 Rd8-+) 22...b5 (22...Nb3 23.Rd1 Nd2 24.Rd2 Qd2 25.Rh3-+) 23.hg6 (23.Rb1-+) 23...fg6 24.Qe3 Rf8 25.Kg1 Qe3 26.de3 Bg4 27.e5 Bf3 28.Rh3 (28.a3 Bg2 29.Kg2 Rfa8-+) 28...Bg2 29.Kg2 Ra3 (29...b4 30.Ne2-+) 30.Ne2 Nb3! 31.Rd1 (31.ab3 Ra1 Pinning (31...Ra1 Deflection)) 31...Ra2 32.Re1 Nd2 33.e6 Ne4 34.Rf3 (34.Rh4 Nc5 35.Kg3 Nd3-+) 34...Rf3 35.Kf3 Ng5 36.Kg4 Ne6 37.Nc3 Ra3 38.Ne4 Kg7 39.Kf3 h5 40.Nd6 c3 41.Rg1 b4 42.Nf5 (42.Nc4 Ra6 43.Rc1 Ra2-+) 42...Kf6 43.Nd6 Ng5 44.Kf4 (44.Ke2 Ra2 45.Kd3 Rd2 46.Kc4 Rd6 47.Kb4 Ne4-+) 44...c2 (44...Nh3!? 45.Ke4 Ng1 46.Kd3-+) 45.Ne4 (45.Rf1 Ne6 46.Kg3 Ke7 47.Nc4-+) 45...Ne4 46.Ke4 Rc3 47.Rg6 Kg6 48.Kd4 h4 (48...c1Q 49.Ke5 Rd3 50.e4 Qc3 51.Kf4 Rf3) 49.Ke4 c1Q 50.Kf4 (50.Ke5 Rd3 51.e4 Qc5 52.Kf4 Qg5) 50...Qe3 51.Kg4 Rc5 (51...Rc4) 52.Kh4 Rg5 (52...Rc4) ½-½. beatmeeasy (2005) - javierhernandez (2085), lichess.org, 2020.

4.Qc2 0-0

4.e3 0-0

5.Nf3 c6 6.a3 b5 7.d4 a5 8.Bd3 a4 9.0-0 Kh8 (9...d5 10.Nbd2=) 10.Nbd2 h6 11.Qe2 e6 12.Rac1 Rg8 13.Rfe1 Re8 14.c4 Ba6 15.cb5 cb5 16.Bb5 Bb5 17.Qb5 Re7 18.Qd3 Nc6 (18...d5 19.Ne5+-) 19.Nc4 (19.e4 Qb6+-) 19...Qf8? (better is 19...d5!? 20.Nce5 Ne5 21.Ne5 Rb7+-) 20.Nce5 Ne5 21.Ne5 Ree8 22.Rc2 Rab8 23.Rec1 Red8 24.Nf3 d5? 25.Nd2 Rbc8 26.Rc8 Rc8 27.Rc8 Qc8 28.e4 de4 29.Ne4 Ne4 30.Qe4 f5 31.Qd3 Qb8 32.Qc3 h5 33.g3 Qg8? 34.f3 Kh7 35.Kg2 Qe8 36.Kf2 Qf7 37.Kg2 Qf8?? 38.Kf2 Qf7 39.Kg2 Qf8 40.Bc1 Qb8 41.Be3 e5 42.de5+- Be5 43.Qd2 Qh8? 44.Qc1 Qg7 45.Bf2 g5 46.Kg1 Qf6 47.Kg2 Kg7?? 48.h3 Kf7 49.Kh2 f4 50.g4 hg4 51.hg4 Bd4?? 52.Bd4 Qd4+/- 53.Kg2 Qe3?? 54.Qe3+- fe3 55.Kf1 e2 56.Ke2 Ke6 57.Ke3 Kd5 58.b5 1–0. Fournier,Frederic (1975) – BOMdeMAIS (1740), Active Blind, 2008.

5.Nf3 h6 6.d4 c6 7.Bd3 d6 8.0-0 Re8 (8...a5 9.a3=) 9.Qc2 Qc7 10.Nbd2 e5 11.de5 de5 12.Ne4 (12.Rfd1 Bg4+=) 12...Ne4= 13.Be4 Be6 14.Rad1?? (14.Bd3 a5=) 14...Nd7?? (14...f5 15.Bd3 e4 16.Be4 fe4 17.Nd2-+) 15.a3? (15.Qb1 Nf6=+) 15...Rad8 16.Bd3= Nf6 17.Be2 Rd1 18.Rd1 a6 19.Nd2 b5 20.c4+= bc4 21.Nc4+/- Bc4 22.Bc4 a5 23.Qb3 Ra8 24.b5 cb5 25.Bb5 g5 26.a4 g4 27.Rc1 Qe7 28.Qc3 Ra7 29.g3 h5 30.Bf1 h4 31.Bg2 hg3 32.hg3 Nd7 33.Qc7?? Rc7-+ 34.Rc7 Qd6 35.Rc8 Bf8 36.Ba3 Qa3 0–1. Fournier,Frederic (1950) – zumote (1805), Active Blind, 2008.

5.Nf3 d6

6.a3 Nbd7 7.d4 a5 8.Bd3 c5 9.dc5 dc5 10.b5 Re8 11.c4 e5 12.Nbd2?? (12.e4 Nb6=) 12...Nb8?? (better is 12...e4 13.Ne4 Ne4 (13...Re4?! 14.Be4 Ne4 15.Bg7 Kg7 16.0-0=+) 14.Bg7 Kg7 15.Be4 Re4-+) 13.Qc2+= b6 14.0-0 Bb7 15.e4 Nfd7 16.Rfd1 Rf8 17.Bf1 f5 18.ef5 gf5 19.a4 Bc8 20.Nb1 Nf6?? 21.Rd8+- Rd8 22.Nc3 Kh8 23.Rd1 Re8 24.Nd5 Nd5 25.cd5 Ra7 26.Nd2 e4 27.Bg7 Rg7 28.Qb2 Nd7 29.Nc4 Ne5 30.Ne5 Re5 31.d6 Re8 32.d7 Bd7 33.Rd7 (33.Rd7 Reg8 34.Bc4 e3 35.Qg7 Rg7 36.Rd8 Rg8 37.Rg8) 1–0. Fournier,Frederic (1970) – danicasagui (1790), Active, 2009.

6.a3 e5 7.d3 Nc6 8.Be2 Ne7 9.Nbd2 Rb8 10.0-0 b6 11.e4 Bb7 12.Qc2 d5 13.ed5 Bd5 14.Rad1 Bf3 15.Nf3 Ned5 (15...Nd7!?+/-) 16.c4 e4?? (better is 16...Nf4 17.Ne5 Ne2 18.Qe2 Re8+-) 17.de4 (17.cd5?! ef3 18.Bf3 Re8+/-) 17...Ne4 (17...Nb4 18.ab4 (18.Rd8?! Nc2 19.Rf8 Rf8+-) 18...Qe7 19.Ne5+-) 18.cd5 Bb2 19.Qb2 Ng5 20.Ng5 Qg5 21.Bf3 Rbd8 22.Rfe1 c6 23.dc6 Rd1 24.Rd1 Rd8 25.Qc1 Rd1 26.Qd1 Qe3 27.fe3 (27.fe3 Kf8 28.c7 Kg7 29.Qd4 f6 30.c8Q g5 31.Qcd7 Kg6 32.Qd3 f5 33.Q3d6) 1–0. Fournier,Frederic (1890) – Tructur, Active Blind, 2008.

6.d4 b6 7.Bd3 Bb7 8.Nbd2 c5 9.bc5 dc5 10.Rb1 cd4 11.cd4 Nbd7 12.Qe2 Ne8 13.0-0 e5 (13...Nd6 14.e4+/-) 14.de5 (better is 14.Ba3+-) 14...Ne5?? (better is 14...Qe7+/-) 15.Ne5 Be5 16.Be5 f6 17.Bd4 Qd4 18.ed4 Rc8 19.Nf3 Kh8 20.Rfc1 Rc1 21.Rc1 g5 22.h3 g4 23.hg4 f5 24.gf5 h5 25.Ne5 Rg8 26.Qc2 Rg2+- 27.Kf1 Rg8 28.Be4 Be4 29.Qe4 Nf6 30.Qe3 Ng4 31.Ng4 hg4 32.Ke2 g3 33.Qg3! Rg3 34.fg3 a5 35.g4 b5 36.Kd3 b4 37.Rb1 a4 38.Kc2 a3 39.Rb3 (39.Rb3 Kg7 40.g5 Kf7 41.Rb4 Ke7 42.f6 Ke6 43.d5 Kf7 44.Rb7 Kg6 45.f7 Kg7 46.g6 Kf6 47.f8Q Ke5 48.g7 Ke4 49.Qf6 Kd5 50.g8Q Ke4 51.Qge6) 1–0. Fournier,Frederic (1800) – dinky (1685), Active blind, 2011.

6.d4 Nbd7 7.Bd3 Rb8 (7...e5 8.de5 Ne5 9.Ne5 de5 10.0-0=) 8.Nbd2 b6 9.Qc2 (9.0-0 c5=) 9...a5 10.a3 ab4 (10...c6 11.c4+=) 11.ab4 c5 12.dc5 (12.0-0 d5+=) 12...bc5 13.bc5 (better is 13.b5!?+=) 13...Nc5-/+ 14.Rb1 (14.Ba3!?-/+) 14...Nd3 (14...Bd7 15.Ke2-+) 15.Qd3 Nh5 (better is 15...Bf5!? 16.e4 Ne4 17.Ne4 d5-+) 16.Qc2 Nf6 17.0-0 (17.Qd3 Bf5 18.e4 Ne4 19.Ne4 d5-+) 17...e5 (17...Qc7 18.e4=+) 18.e4 Be6 19.Rfd1 Rb6 20.h3 Qd7 21.Ba1 Rb1 22.Rb1 Rc8 23.Bb2 Ne8 24.c4 Nc7 25.Bc1 Na8 26.Nf1 Bf8 27.Ne3= Be7 28.Bd2 Bd8 29.Rc1 Bb6 30.Nd5 Bd5 31.ed5 Bd4 32.Nd4+/- ed4 33.Qd3 Nc7 34.Kh1 Ne8 35.f3 Nf6 36.Be1 h6? 37.Bf2 Re8? 38.Bd4 Nh5+/- 39.Bf2 g5 40.c5 dc5 41.Bc5 Nf4= 42.Qd1 Ne2 43.Rc2+/- Nf4 44.Kh2 Rd8 45.d6+/- Ne6 46.Bf2 Re8 47.Bg3 Nd8? 48.Rd2 Nb7 49.Rc2 Re6?? 50.Qc1 Nd6+= 51.Bd6 Rd6 52.Rc8+= Kg7 53.Rc7 Qd8 54.Kh1?? Rd1-+ 55.Qd1 Qd1 56.Kh2 Qd2 (56...Qd2 57.Ra7 Qd6 58.Kh1 Kf6-+) 0–1. Fournier,Frederic – edwardsc2007, Active Blind, 2008.

4.e3 Nc6

5.Nf3 b5 6.d4 e6 (6...a6 7.a4 ba4 8.Ra4+=) 7.Bd3 Bb7 8.a3 Qe7 9.Nbd2 0-0-0? (9...a6!?+=) 10.0-0 (10.a4 e5 11.ab5 Nb4 12.cb4 e4 13.Ra7 ed3+-) 10...d5 (10...e5 11.Bb5 e4 12.Bc6 Bc6 13.Ne5+-) 11.h3 (11.a4 a6+-) 11...Rhg8 (11...e5 12.Bb5 e4 13.Ne1+-) 12.Qc2 (12.a4 ba4 13.Qa4 a6+-) 12...h5 13.Rfe1 Nd7 14.e4 de4 15.Ne4 f5 16.Nc5 Nc5+/- 17.dc5 a6+= 18.Rad1 Kb8 19.Be2 Rd1 20.Rd1 Rd8 21.Rd8 Qd8 22.Qd1 Qd1=+ 23.Bd1 e5 24.Be2 e4=+ 25.Nd4 Nd4 26.cd4 Bd4?? 27.Bd4+- c6 28.Be3 Ka8 29.f3 ef3 30.Bf3 Ka7 31.Bf2 Bc8 32.Bg3 Bb7 33.Kf1 Bc8 34.Ke2 Bb7 35.Bd6 Bc8 36.g4 hg4 37.hg4 fg4 38.Bg2 Bf5 39.Bg3 a5 (39...a5 40.Bc6 ab4 41.ab4 Ka6+-) 1–0. Fournier,Frederic (2025) – collective (1825), Active Blind, 2008.

5.Nf3 b6 6.d4 Bb7 (6...0-0 7.Bd3=) 7.Bd3+= Nh5 (7...0-0 8.0-0+=) 8.Nbd2 Nb4?? (better is 8...a6+=) 9.cb4+- Bf3 (9...0-0 10.0-0+-) 10.Nf3 (10.gf3?! c5+-) 10...a5 (10...c5 11.bc5 bc5 12.Qa4 cd4 13.Bd4 (< 13.ed4 Nf4 14.Bf1 Qb6+-) 13...Bd4 14.Nd4+-) 11.a3 (11.b5 c5+-) 11...ab4 12.ab4 Ra1 13.Qa1 c5 (13...Nf6 14.0-0+-) 14.bc5 bc5 15.0-0 (better is 15.dc5 0-0 16.0-0+-) 15...Bd4 (15...cd4 16.Bd4 0-0+-) 16.ed4 cd4 17.Bd4 Nf6 18.Bf6 ef6 19.Rd1 Qe7 20.Qb1 Kf8 21.Bc2 Kg7 22.Re1 Qe1 23.Ne1 h5 24.Nf3 h4 25.h3 g5 26.Bf5 d5 27.Kh2 d4 28.Qd3 Re8 29.Nd4 Re5 30.Qe4! Re4 31.Be4 Kh6 32.f3 f5 33.Nf5 (33.Nf5 Kg6 34.Nh4 Kf6 35.Nf5+-) 1–0. Fournier,Frederic (2010) – sunav, Active Blind, 2008.

4.g3 d6

5.Nf3 b6 (5...e5 6.Bg2=+) 6.Bg2= Bb7 7.c4 0-0 8.d3 (8.Nc3 c5 9.b5 Nbd7=) 8...Nc6 (8...a6 9.0-0=) 9.Ng5 (9.b5 Ne5=) 9...Rb8 (better is 9...Qd7=) 10.d4 (better is 10.Qa4!? Qd7 11.b5=) 10...Nb4-/+ 11.Bb7 Rb7 12.d5 (12.Qa4 a5-/+) 12...b5 (12...c5 13.a3 Na6 14.Nc3-/+) 13.a3 Na6 14.Qd3? (better is 14.Bd4 bc4 15.Nc3-+) 14...Nc5 (14...Nc5 15.Qc2 bc4-+; 14...bc4 15.Qc2 Rb2 16.Qb2 Nd5 17.Qa2-+) 0–1. _Zero_Tolerance – sanpatkan, internet, 2007.

5.Bg2 0-0 6.Nf3 c5 7.0-0 cb4 8.cb4 Nc6 9.a3 a6 10.d4 Bf5 (10...d5 11.Nc3=) 11.e3 (11.d5 Na7+=) 11...e6 12.Nc3 d5 13.Rc1 Na7 (13...Rc8 14.h3=) 14.Na4 (14.Ne5 Nc6+=) 14...Nb5= 15.Nc5 (15.Qe2 Nd6+=) 15...b6 16.Nd3 Bd3 (16...Rc8 17.Rc8 Qc8 18.Nfe5=) 17.Qd3 Rc8 (17...Nd6 18.Ne5=) 18.Ne5+= Nd7 19.Nd7 (19.Rc8 Qc8 20.Rc1 Ne5 21.de5 Qb8+/-) 19...Qd7= 20.Qb3 (20.a4 Nd6 21.Rc8 Qc8=) 20...Nd6=+ 21.Rfd1 Nc4 22.Bc3 b5 23.Bf1 Rc7 24.a4 (24.Rc2 Rfc8=+) 24...Rfc8 (24...ba4!? 25.Qa2 Rfc8-/+) 25.ab5=+ ab5 26.Bc4 Rc4 27.Bd2 Bf8 28.Rc4 Rc4 29.Rc1 Qc6 30.Rc4 dc4 31.Qc3 Qa6 32.Kg2 Qa2 33.f3 Qb3 34.Qb3? (better 34.e4=+) 34...cb3-+ 35.Bc3 Bb4! 36.Bb2 (36.Bb4 b2 Passed pawn) 36...Kf8?? (better 36...Bd2 37.Kf2 b4-+) 37.Kf2-/+ Ke7 38.Ke2 Kd6 39.Kd3 Kd5 40.e4 Kc6 41.h3 Kb6 42.f4 (42.g4 h6=+) 42...Ka5 (42...f5!? 43.ef5 gf5-/+) 43.d5=+ ed5 44.ed5 Ka4 45.d6?? (better 45.g4=+) 45...Bd6-+ 46.g4 (46.Bc1-+) 46...Ba3 47.Kc3 (47.Be5 Bc1 48.Bd4-+) 47...Bb2 48.Kb2 f5 49.h4 fg4 50.h5 Kb4 51.f5 gf5 (51...gf5 52.Kc1 g3 53.Kd1 g2 54.Ke1 g1Q 55.Ke2 b2 56.h6 b1Q 57.Kd2 Qf2) 0-1. ribarisah (2130) - chessnightmare (2190), Rated Bullet game, lichess.org, 2014. (=1.c3 g6 2.b4 Nf6 3.Bb2)

3.Nc3 Bg7

4.Rb1 d5 5.e3 0-0 6.Nf3 Nbd7 7.d4 Nb6 8.a4 (8.Bd3!?+=) 8...a5-/+ 9.b5 Ne8 (9...Ne4 10.Ra1-/+) 10.e4? (better is 10.Bd3!?+=) 10...de4-+ 11.Ne4 Na4 12.Ba1 Nd6 13.Ned2 Nb6 14.c4 Nf5 15.c5 Nd5 16.Nc4 Nh6 17.Qd2 Bf5 18.Rd1 Ng4 19.h3 Bh6 20.Qb2 Ngf6 21.Be2 Ne4 22.0-0 Nec3 23.Rde1 Ne2 24.Re2 Bd3 25.Nfe5 White prepares the advance c6 25...Be2 26.Qe2 e6 27.c6 b6 28.Bb2 Nf4 29.Qf3 Qd5 30.Qd5 Nd5 31.Nd7 Rfe8 32.g3 f6 33.Kg2 Kf7 34.f4 g5 35.fg5 Bg5 36.h4 Bh6 37.Kh3 Rg8 (better is 37...a4-+) 38.Nce5 (38.Nf6 Nf6 39.Ne5 Kg7 40.d5=) 38...Kg7-/+ 39.Ng4? (39.Nf6 Nf6 40.d5=) 39...f5-+ 40.Nge5? (40.Ngf6 a4 41.Nd5 ed5-+) 40...a4 41.Rf3 (41.Nc4 Kf7-+) 41...Bd2 (better is 41...Ra5 42.g4 Rb5 43.Ba3-+) 42.Nc4 Bb4 43.Bc1 a3! 44.Ba3 (44.Ba3 Bc3 Decoy; 44.Na3 Ra5 Decoy) 44...Ba3 45.Na3 Ra4 46.Nc2 Rc4 47.Rf2 Ra8 48.Ne5 Rc3 49.Ne1 Ra1 50.N1f3 Ne3 ½–½. Macedo,A Soares De (1955) – De Araujo Oliveira,Renato, Aberto do Brasil Xadrez Potiguar, 2011.

4.d4 d5=+ 5.e3 0-0 6.Bd3 Nc6 7.a3 e5 8.de5 Ne5 9.Rb1 (9.Nf3 Bg4=+) 9...Re8 10.h3 (better is 10.Bb5!? Bg4 11.Nf3=+) 10...d4-+ 11.Nce2 de3 12.Be5 (12.fe3 Nd3 13.Qd3 Qd3 14.cd3 Re3-+) 12...ef2 (12...Re5 13.Nf3 ef2 14.Kf2-+) 13.Kf2 Re5 14.Nf3 Re8 15.Qc1 (15.Rf1 Be6-/+) 15...Ne4-+ 16.Kf1 (16.Be4 Re4 17.Re1 Be6-+) 16...Qd6 17.Qe1 (17.Be4 Re4 18.Qd2 Qf6-+) 17...Nc3 18.Rb3 Ne2 19.Be2 Bf5 20.Qd1 Qd1 21.Bd1 Rad8 22.Kf2 Rd6 23.g4 Red8 24.gf5-/+ Rd1 25.Rd1 Rd1 26.fg6 hg6 27.Ke2 2Rd7 28.Re3 Kf8 29.Kf2 Bd4 30.Nd4 Rd4 31.Kg3 f6 32.Rc3 Rd7 33.Rc4 Kf7 34.h4 c6 35.Rc3 Rd4 36.Re3 Rd6 37.c4 Re6 38.Rd3 Ke7 39.c5 Re4 40.Rc3 Re1 41.Rd3 Ra1 42.Kf4 Rf1 43.Kg3 Rf5 44.Kg4 b6 45.cb6 ab6 46.a4 Rd5 47.Re3 Kd6 48.Rb3 Rd4-+ 49.Kg3 Ke5 50.b5 cb5?? 51.Rb5= Rd5 52.Rb6 Rd4 53.Rb5 Ke6 54.Rb6 Ke5 55.Ra6 Rd3=+ 56.Kg4 f5 57.Kg5 Rg3 58.Kh6 f4 59.Ra8 f3 60.Rf8 Ke4 61.a5 Rg1 62.a6 Ra1 63.Rf6 Ke3 64.Kg6?? (64.Re6 Kd4 65.Rd6 (65.Kg6?? f2 66.Rf6 Ra6 67.Ra6 f1Q 68.Ra4 Ke5-+; 65.Rg6 f2 66.Rg4 Ke3 67.Rg3 Ke4 68.Rg4 Kf5 69.Rg5 Kf4-+) 65...Ke5 66.Rd2 (66.Rg6 f2 67.Rf6 Kf6-+) 66...Ra6 67.Kg5-+) ½–½. Sackmann,F – Kemmler,Fred, St Ingbert op, 1991.

4.Nd5 0-0 5.Nf6 ef6 6.g3 d5 7.e3 Nc6 8.a3 (8.b5 Ne5-/+) 8...Re8 9.Bg2 d4 (9...a5!?-/+) 10.Ne2=+ de3 11.de3 Ne5 12.Qd8 Rd8 13.Be5 (13.Bc3!?=) 13...fe5=+ 14.Rd1 ½-½. littlewalter - Lance5500 (2620), lichess.org, 2017.

4.Nd5 Nd5 5.Bg7 Rg8 6.e4 Nb4 7.Bc3 N4c6 8.Bc4 e6 9.Qf3 Qe7 10.h4 (10.Ne2!?=) 10...d5=+ 11.Bb5 a6 12.Ba4 b5 13.Bb3 d4 14.Bb2 e5 15.h5 Be6 16.hg6 hg6 17.Be6 Qe6 18.Nh3 f6 19.a4 b4 20.a5 Nd7 21.c3 (21.g4 Rb8-+) 21...g5 22.Ng1 (22.Qh5 Kd8 23.cd4 Qb3-+) 22...bc3 23.dc3 Rb8 24.Ba3 Rb3 (24...Qc4!? 25.cd4 g4 26.Qd1 Nd4 27.Rc1-+) 25.Ne2 dc3 26.0-0? (better 26.Qd3!? Na5 27.Rh7-/+) 26...Nd4-+ 27.Nd4 ed4 28.e5 (28.Qd3 c5-+) 28...Ne5 (worse 28...Qe5 29.Rfe1 Ra3 30.Re5 Ne5 31.Qh5 Ke7 32.Ra3+-; worse 28...fe5 29.Rfb1 e4 30.Qh5 Kd8 31.Rb3 Qb3 32.Qe2-+) 29.Qa8 Kf7 30.Qa7 Ra3! 31.Qc7? (31.Ra3 Qc4 Combination) 31...Qd7 (better 31...Qe7!? 32.Qe7 Ke7 33.Ra3-+) 32.Qd7 Nd7 33.Ra3 Ne5 34.Rd1 (34.Rc1-+) 34...Rd8 (better 34...Rc8 35.Rd4 c2-+) 35.Rc3=+ dc3 (better 35...Rd5=+) 36.Rd8+/- Nc6 37.Rc8 Nd4 38.Rc3?? (better 38.Kf1 c2 39.Ke1+-) 38…Ne2-+ (38...Ne2 39.Kf1 Nc3-+) 0-1. is_er_nog_hoop (2590) - Grandmasterbomo (2515), Rated blitz game, lichess.org, 2020.

4.Nd5 d6 5.Nf3 Be6 6.Nf4 Bg4 7.e3 (7.d4 Nbd7=) 7...0-0 (7...e5 8.Ne2=+) 8.Bc4 (8.h3 Bf5=) 8...Nbd7 9.Bf7? (better 9.d4=+) 9...Rf7-+ 10.h3 Bf3 11.Qf3 Nf8 12.Rd1 Ne4?? (better 12...c6-+) 13.Be5 0-1. opperwezen (2645) - catask (2740), lichess.org, 2020.

4.Nd5 Nh5 5.Qb1 (5.Bg7 Ng7 6.e4 c6=) 5...Bb2 6.Qb2 f6 7.g4 Ng7 8.g5 e6? (better 8...Rf8=) 9.Nf6+- Kf7 10.Nf3 d5 (10...d6 11.Bg2+-) 11.h4 Nd7 12.Nd7 (12.h5 gh5 13.Nh5 Qf8+-) 12...Bd7 13.Ne5 Kf8 14.h5! gh5 (14...gh5 15.Nd7 Double attack; 14...Nh5 15.Nd7 Double attack) 15.g6 (better 15.e3+-) 15...Qf6?? (better 15...Be8+/-) 16.Nd7+- Ke7 17.Qf6 Kd7 18.Qg7 Kc6 19.gh7 Raf8 20.Rh5 e5 21.Qf8! Rf8 (21...Rf8 22.h8Q Double attack (22.Rh6 Decoy; 22.h8Q Remove defender)) 22.h8Q Rh8 23.Rh8 e4 24.Rh7 Kd6 25.c3 (better 25.d3 e3+-) 25...c6 26.Bg2 (better 26.Rb7!? a6+-) 26...b6 27.f3 ef3 28.Bf3 c5 29.bc5 bc5 30.Ra7 Ke5 If Black now only could play Ra6... 31.d3 d4 32.cd4 cd4 (32...Kd4 33.Rc1 Ke5 34.Rc5 Kd4 35.Rd5 Ke3 36.Re7 Kf4 37.Re4 Kg3 38.Rg4 Kh3 39.Rh5) 33.Rc7 (33.Rb1 Kf6 34.Rb5 Ke6 35.Ra6 Ke7 36.Rb7 Kd8 37.Ra8) 33...Kd6 (33...Kf6 34.Rb1 Kf5 35.Rb5 Kf6 36.Rc6 Ke7 37.Rb7 Kd8 38.a4 Ke8 39.Rc8) 34.Rc4 (34.Rc6 Kd7 35.Rb1 Ke8 36.Rb7 Kd8 37.a4 Ke8 38.Rc8) 34...Ke5 (34...Kd7 35.Rb1 Kd6 36.Rb6 Ke7 37.Rc7 Kd8 38.Rg7 Kc8 39.Bg4 Kd8 40.Rb8) 35.Rc5 Kd6 36.Rd5 (36.Rc6 Ke7 37.Rb1 Kf7 38.Rb7 Ke8 39.Rc8) 36...Ke6+- 37.Rd4 Ke5 38.Rc4 Kf5 39.a4 Ke5 40.a5 Ke6 (40...Kf6 41.Rc6 Kg5 42.Ra4 Kf5 43.a6 Kg5 44.e3 Kf5 45.Ra5) 41.0-0-0 (41.Rc6 Kf5 42.a6 Kf4 43.Ra4 Kf5 44.a7 Kg5 45.a8Q Kf5 46.Qa5) 41...Ke7 (41...Ke5 42.Rc6 Kf4 43.Rf1 Kg3 44.e3 Kh4 45.Rg1 Kh3 46.Rh6) 42.Kc2 (42.Rh1 Kf6 43.Rc6 Kf7 44.Rh7 Kg8 45.Be4 Kf8 46.Rc8) 42...Ke6 (42...Kf7 43.a6 Kf6 44.Rc6 Kg7 45.a7 Kf7 46.Rb1 Ke8 47.a8Q Kd7 48.Rb7) 43.Rb1 Kd7 (43...Kf6 44.Rc6 Ke7 45.Rb7 Kd8 46.e3 Ke8 47.Rc8) 44.Rb6 Kd8 (44...Ke7 45.Rc7 Kd8 46.Rg7 Kc8 47.Bg4 Kd8 48.Rb8) 45.Rcc6 (45.Bg4 Ke7 46.Rc7 Kd8 47.Rbb7 Ke8 48.Rc8) 45...Kd7 46.Rb7 Kd8 47.Bg4 Ke8 48.Rc8 1-0. opperwezen (2840) - Abitibi_Viking (1845), lichess.org, 2017.

4.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.Nc3).

4.e4 Ne4! 5.f3 (5.Ne4 A pinning theme 5...Bb2) 5...Nc3 6.Bc3 Bc3 7.dc3 e5 8.h4 b6 (better 8...d6!?-+) 9.Qd5= Nc6 (better 9...c6!? 10.Qe5 Qe7 11.Qe7 Ke7=) 10.b5+- Ne7?? (better 10...Qf6+-) 11.Qa8+- 0-0 12.Qa7 Nf5 13.g4 (13.Bd3 d6+-) 13...Nh4 14.0-0-0 Qg5 (14...d6 15.Rd2+-) 15.Kb2 Qe3 (15...Qd8+-) 16.Qc7 Nf3 (16...Re8 17.Rd6+-) 17.Nf3 (better 17.Rd3 Qc5 18.Qc5 bc5 19.Rf3 Bb7+-) 17...Qf3 18.Bc4 Qg4 19.Rhg1 Qf4 (19...Qh4 20.Rgf1 d5 21.Bd5 Bf5 22.Rf5 gf5 23.Rg1 Qg4 24.Rg4 fg4 25.Qe5 Rc8 26.Qg5 Kf8 27.Qf4 f5 28.Qf5 Ke7 29.Qf7 Kd6 30.Qe6 Kc5 31.Bc4 h5 32.Qd5) 20.Rgf1 Qe4 21.Bf7! Rf7 Deflection from c8 (21...Kg7 22.Bb3 Rf1 23.Rf1+-) 22.Qc8 Eliminates the defender c8 22...Kg7 23.Rf7 Kf7 24.Rd7 Kf6 25.Qc6 Kg5 26.Qe4 (26.Qe4 Kf6 27.Qh4 Ke6 28.Re7 Kf5 29.Rf7 Ke6 30.Qf6 Kd5 31.Qc6) 1–0. Pierre – Orampo, internet, 2020.

4.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.Nc3).

4.g3 Nc6 5.a3=+.

4.g3 d6 5.Bg2 (5.Nf3 Nc6 6.a3 e5=) 5...e5 (5...Nc6 6.b5 Ne5 7.Rb1=+) 6.Nf3 0-0 7.0-0 Nh5 (7...c6 8.e4=) 8.e4 (8.d4 ed4 9.Nd4 c5 10.bc5 dc5+=) 8...a6 (8...f5 9.ef5 Bf5 10.Nh4=+) 9.h4 (9.d4!?+=) 9...Bg4 (9...Nc6 10.a3=+) 10.d3 (10.Qe2 Nc6 11.a3 Qd7=+) 10...f5 11.Qe2 (11.Nd5 f4 12.Kh2 b6=+) 11...f4 (better is 11...Nc6 12.ef5 Bf5=+ (12...gf5?! 13.Qd2-/+; 12...Rf5?! 13.Nd5-/+; 12...Nb4?! 13.fg6 hg6 14.Qe4 Bf3 15.Bf3 Nc2 16.Qb7=+)) 12.a3? (12.Qe1 Nc6 13.Ne2 Rf6=+) 12...Qd7 (12...fg3 13.Bc1 Bf3 14.Bf3 Qh4 15.fg3 Ng3-+) 13.Kh2 (13.Qe1 Nc6 14.Nd5 Rae8=+) 13...Nc6 14.Ra2?? (better is 14.Nd5=+) 14...Nd4-+ 15.Qd1 (15.Qe1 Nf3 16.Bf3 Bf3-+) 15...Rf7 16.Na4 b5 17.Nc3?? Raf8 18.Nd5 Nf3 19.Bf3 Bf3 20.Qf3 fg3 21.Qg3 Ng3 22.Kg3 Rf3 23.Kg2 Qg4 24.Kh1 Rh3 0–1. Saide,Ayman – Kruse,Marcel, BEM–ch U13 Wolfsburg, 1997.

4.d4 0-0

5.e4 d5 6.e5 Ne8=.

5.Nf3 a5 6.b5=.

5.Nf3 d5 6.e3 a5 7.b5=.

5.Nf3 d5 6.e3 Qd6 7.a3 c6 8.Bd3 Nbd7 (8...b5 9.0-0=) 9.0-0 e5 (9...a5 10.Ne2=) 10.de5 (10.Nb5 Qb8 11.de5 Ng4=) 10...Ne5 11.Ne5 Qe5 12.Rb1 (12.h3 Qg5 13.Qf3 Nd7=) 12...Ng4+= 13.g3 Qh5 14.h4 g5 15.Be2?? (better is 15.Kg2 gh4 16.Rh1 h3 17.Kg1-/+) 15...gh4-+ 16.Bf3 (16.Bg4 Bg4 17.Qd3-+) 16...hg3 17.Bg4 (17.Re1 Qh2 18.Kf1 Qf2) 17...Qh2 0–1. grahamtrue – pcmvr, net–chess.com, 2017.

5.Nf3 d5 6.e3 Ne4 7.Bd3 (7.Ne4 de4 8.Nd2 Bf5+=) 7...Nc3 (7...Bf5 8.0-0=) 8.Bc3 a6 (8...Nd7 9.Qd2=) 9.0-0 b5 (9...Qd6 10.Qe2=) 10.Re1 (10.a4 ba4 11.Ra4 Qd6+/-) 10...c6 (10...Nd7 11.a4 ba4 12.e4+=) 11.Bb2 (11.a4 Qc7+/-) 11...f6 (11...a5 12.a3=) 12.c3 (12.a4 Qd6+/-) 12...Be6 (12...e5 13.Qb3=) 13.e4 (13.a4 Nd7+/-) 13...de4 (13...a5 14.a4 ab4 15.cb4+=) 14.Be4 Bg4 (14...Qd6!?+=) 15.h3 Be6 (15...Bd7 16.a4+/-) 16.Bg6! hg6 (16...Bh3!? 17.Qb3 Qd5+-) 17.Re6+- Qd5 (17...a5 18.Nh4 Kf7 19.Qg4+-) 18.Re7 Nd7 (18...a5 19.Nh4 ab4 20.Ng6 bc3 A) 21.Nf8?! cb2 22.Rb1 Kf8= (22...Bf8? 23.Qg4 Qg5 24.Qe6 Kh8 25.Qc8+-); B) 21.Bc3+-) 19.Qe2 (19.Nh4!? Qg5 20.Ng6 Qg6 21.Rd7 a5+-) 19...a5 (19...Rf7 20.Rf7 Qf7 21.Qe4+-) 20.a3 (20.Nh4 ab4 21.Ng6 bc3 22.Bc3 Rf7+-) 20...ab4 21.ab4 Qc4? (21...Ra1 22.Ba1 Ra8+-) 22.Ra8 Ra8 23.Qc4 bc4 24.Rd7 (24.Rd7 Ra2 25.Rc7+-) 1–0. grahamtrue – mpopp, net–chess.com, 2017.

4.e4 d6

5.Bc4 Nc6 6.b5 Ne5 7.Bb3 0-0 8.d4 Ned7 9.Nf3 Re8?? (9...Nb6 10.e5 Nh5 11.0-0+=) 10.0-0?? (10.Bf7 Kf8+-) 10...a6?? (10...e5 11.de5 Ne5 12.Ne5 Re5 13.Qd3+=) 11.a4?? ab5? 12.ab5 Ra1+= 13.Qa1 e5 14.de5 Ne5 15.Ng5 Nh5 16.Nf3?? Bg4 17.Ne5= Be5 18.f3?? Qh4-+ 19.h3 Bh3! (19...Bh3 20.Ne2 Bg2 21.Be5 Re5 22.Qa8 Kg7-+) 0–1. Jokmin,Alex – Yangibayev,Rustam, RN–2010-0-00276, 2010.

5.d4 0-0 6.Nf3 Bg4 7.Be2 Nc6 8.a3 e5 9.d5 Qd7?? (9...Nd4 10.Nd4 ed4 11.Bg4 dc3 12.Bc3=) 10.b5?? (better is 10.dc6 Qc6 11.Ne5 Be2 12.Nc6 (12.Qe2?! de5 13.0-0 Rfd8+=; worse is 12.Ke2 de5 13.b5 Qb6+=) 12...Bd1 13.Ne7 (13.Nd1?! bc6 14.f3 d5=; 13.Kd1?! bc6 14.f3 a5=; 13.Rd1?! bc6 14.f3 a5=) 13...Kh8 14.Rd1 (14.Nd1?! Rae8=) 14...Ne4 15.Ned5+- (15.Ne4?! Bb2 16.Nd5 Rae8+=)) 10...Ne7 (10...Nd4 11.Nd4 ed4 12.Bg4 Ng4 13.Ne2=) 11.h3 Bf3 12.Bf3 a6 13.Qe2 ab5 14.Nb5 Ra5 15.c4 c6 (15...Rfa8 16.0-0=) 16.Nc3 cd5 17.ed5 (17.cd5 Rc8+=) 17...Nf5 (17...Rc8 18.Ne4+=) 18.0-0 (18.Nb5 Rc8 19.0-0 Ra4=) 18...Re8 (18...Nd4!? 19.Qd3 Nf3 20.Qf3 Rc8-/+) 19.Qd2 Nd4 20.Qd1 (20.Bd1 Rea8=) 20...b5 (better is 20...Rc8-/+) 21.Kh1? (better is 21.Nb5!? Nb5 22.Qd2=) 21...Nf3 (21...bc4!? 22.Rb1-+) 22.Qf3-/+ e4 23.Qe2 bc4 24.Rae1 Rc8 25.f3 (25.Qd2 Rcc5-/+) 25...ef3 (25...Nh5 26.Qf2 ef3 27.Qf3-+) 26.Rf3 (26.Qf3 Rb8 27.Bc1 Nh5-/+) 26...Qb7 27.Ne4? (better is 27.Re3!?-/+) 27...Ne4-+ 28.Bg7 Kg7 (28...f5!? 29.Bd4-+) 29.Qe4 Qd5 30.Qe7 c3 (30...Kg8!?-+) 31.Ref1+= Qe5?? (better is 31...Rf8 32.Qf6 Kg8 33.Qc3 f5+=) 32.Rf7 Kh8 (32...Kg8 33.Rf8 Rf8 34.Rf8) 33.Rf8 Rf8 34.Qf8 (34.Rf8) 1–0. vaingrecsky (2270) – croach (2265), net–chess.com, 2016.

4.Ne4 0-0

5.f3 d5 6.Nf6= ef6 7.h4 (7.e3 Re8=) 7...b6 (7...Qd6 8.Qc1-/+) 8.g4 (8.Nh3 Qe7 9.a3 a5=) 8...Qd6 9.Rh3 (9.Qc1 Re8+=) 9...h5 (9...f5 10.Bg7 Kg7 11.g5-/+) 10.e3 (10.a3-/+) 10...c5 (better is 10...hg4!? 11.fg4 Qb4-+) 11.bc5 bc5 (worse is 11...Qc5 12.Rg3=) 12.c4 (12.Rb1 Be6+=) 12...hg4 (12...Rd8 13.cd5 f5 14.Bg7 fg4 15.Rh1 Qg3 16.Ke2 gf3 17.Kd3-+) 13.fg4= f5 14.Bg7 Kg7 15.g5 f4 16.Rh1 fe3 (16...fe3 17.Ne2 Ba6 18.de3 Bc4-/+) 0–1. ianhall – challenger01, gameknot.com, 2015. (=1.Nc3 Nf6 2.b4 g6 3.Bb2 Bg7 4.Ne4 0-0)

5.f3 e5 6.Nf6 Qf6 7.e4+=.

5.Nf6 ef6

6.c4 d5 7.cd5 Qd5 8.e3 Nc6 9.b5 Ne5 (9...Nb4 10.Ba3 Qc5= (worse is 10...Na2 11.Qb1 Be6 12.e4+=)) 10.d4+= Nc4 11.Qb3 Be6 12.Ne2 Nb2 13.Qb2 f5 14.Nf4 Qd7 15.Rc1 Rac8 16.Be2 g5 17.Ne6 fe6 18.0-0 g4 19.Rc4 c5 20.bc6 Rc6 21.Rc6 bc6 22.Bc4 Kh8 23.Qb3 ½–½. kamerrraad (1845) – alena7 (1855), gameknot.com, 2012. (=1.Nc3 g6 2.b4 Bg7 3.Bb2 Nf6 4.Ne4 0-0 5.Nf6 ef6)

6.e3 d5 7.c4 Be6 8.cd5 Bd5 9.Nf3 f5 (9...Nc6 10.b5 Ne5 11.Be2=) 10.Bg7= Kg7 11.Be2 a5 12.b5 Qd7 13.a4 c6 14.0-0 cb5 15.Bb5 Nc6 16.Ne5 Qe6 17.Nc6 Bc6 (17...bc6 18.Be2=) 18.Qb1 (18.Bc6 Qc6 19.d4 f4+=) 18...Rfc8 (18...Bd5 19.d3+=) 19.d4 (19.Bc6 bc6 20.Qc2 c5+=) 19...Qd5 20.Bc6 bc6 21.Rc1 c5 (21...Rab8 22.Qd3 c5 23.Rc4+=) 22.dc5 (22.Qb5!?+/-) 22...Rc5+= 23.Qb2 (23.Rc5 Qc5 24.Qb2 Kg8+=) 23...Kg8 (23...Qe5 24.Qe5 Re5 25.Rc4=) 24.Rc5 Qc5 25.Rc1 (25.Rd1 Qb4 26.Qd4 Rb8=) 25...Qb4= 26.Qa2 Rb8 27.h3 Qb2 (better 27...f4=) 28.Rc8! Kg7 (28...Rc8 29.Qb2 Deflection) 29.Qb2 Rb2 30.Rc5 Ra2 31.Ra5 h5 32.g3 Ra1 33.Kg2 Ra2 34.h4 Ra3 35.Kf3 Ra2 36.Ra6 Kg8 37.Kg2 Kg7 38.Ra7 Kg8 39.a5 Kg7 40.Kf3 Kf6 41.a6 Kg7 42.Ra8 Kf6 43.a7 Kg7 44.e4 fe4 (44...Ra3!? 45.Kf4 Ra4+/-) 45.Ke4+- Kf6 46.Kd5 Ra1 47.f3 Rd1 48.Kc4 Ra1 49.Kb5 Rb1 50.Kc6 Ra1 51.Kd6 Ra6 52.Kc5 Ra1 53.Kb4 Kg7 54.Kb3 Ra6 55.Kc3 Ra3 56.Kd4 Ra1 57.Ke4 Ra4 58.Ke3 (58.Ke5 Ra2+-) 58...Ra3 59.Kf2 Ra2 60.Ke3 Ra3 61.Kd4 Ra1 62.g4 (better 62.Kd5+-) 62...g5= 63.Ke4 (better 63.hg5!? h4 64.Rc8 Ra7 65.Rc6+=) 63...gh4 64.gh5 (better 64.Rd8!? Ra7 65.g5-/+) 64...h3-+ 65.Rb8 Ra7?? (65...h2 66.a8Q Ra8 67.h6 Kg6-+ (67...Kh6?? 68.Ra8 Kg7 69.Ra1+-)) 66.Rb2 (66.Kf4 Ra5=) 66...Ra5 (66...Ra4 67.Ke3 Rh4=) 67.Rh2 Rh5 68.Kf4 Kf6 69.Kg4 Rg5 70.Kf4 Rh5 71.Kg4 Rg5 72.Kf4 Rh5 73.Kg4 ½-½. XuMEPA (2060) - shaf (2130), Rated Bullet game, lichess.org, 2014.

6.e3 d5 7.Nf3 a5 8.b5 c6 9.a4 Nd7 10.c4 (10.Be2 Re8+=) 10...dc4= 11.Bc4 Ne5 12.Be2 Nd3 13.Bd3 Qd3 14.Qe2 (14.bc6 bc6 15.Rc1 Be6=) 14...Qb3 15.Bc3 Be6 (15...cb5 16.ab5 Bg4 17.0-0= (17.Ba5? b6-+)) 16.Qd1 (16.bc6 bc6 17.Nd4 Qb6+=) 16...Qc4 (16...Qd1 17.Kd1 cb5 18.ab5=+) 17.bc6= bc6 18.Nd4 (18.Qe2 Qg4 19.0-0 Rfd8=) 18...Bd5=+ 19.f3 f5 20.Qe2 Qe2 21.Ne2 Bc4 (21...Rfb8 22.Rc1=) 22.Bg7+= White fights for the Initiative 22...Kg7 23.Rc1 (23.Kf2 Rfb8=) 23...Bd5 (23...Bb3 24.Rc6 Rfb8 25.Rc1=) 24.Nd4 Attacking the isolated pawn on c6 (24.Rc5 Rfb8 25.Nc3 Rb2+=) 24...Rfc8 (24...Rfb8 25.Ke2= (25.Nc6?? Bc6 26.d4 Ba4-+)) 25.Rc5+= Rab8 (25...Rcb8!? 26.Ke2 Ra6+=) 26.Ke2+/- Rb2 (26...Rb4 27.Ra1+/-) 27.Rhc1 (27.Ra5?! Bc4 28.Kf2 c5=+) 27...Rb4? (better 27...Ra8 28.Nc6 Bc6 29.Rc6 Ra2+/-) 28.Rd5!+- Ra4 (28...cd5 A pinning theme 29.Rc8) 29.Rdc5 (29.Nc6 Ra2+-) 29...Ra2 30.R1c2 Rc2 31.Nc2 a4 32.Kd3 (32.Ra5 c5+-) 32...Rb8 (32...Ra8 33.Rc6 a3 34.Kc4+-) 33.Rc6 Rb3 34.Rc3 Kf6 (34...Rb1 35.Ra3+-) 35.Rb3 ab3 36.Na3 g5 37.Kc3 h5 Black prepares g4 38.Kb3 g4 (38...h4 39.d4+-) 39.Kc3 (39.Nc2 Kg6+-) 39...Ke5 (39...f4 40.e4+-) 40.Kd3 (40.f4 Kf6+-) 40...f4 (40...Kf6 41.Nb5+-) 41.Nc4 Kf5 (41...Kf6 42.fg4 hg4 43.ef4+-) 42.Nd6 Ke6 43.Ne4 (better 43.fg4!? fe3 44.Ke3 hg4 45.Nf7 g3+-) 43...fe3 (43...gf3 44.Ng5 Ke7 45.gf3 fe3 46.Ke3+-) 44.Ke3 f5 (44...gf3 45.Kf3 Ke5 46.Kg3+-) 45.Ng3 h4 46.Ne2 (better 46.Nf5!? gf3 47.Nd4 Kf6 48.Nf3 h3+-) 46...Ke5 47.Nf4 Kf6 48.d4 Ke7 (48...Kg5 49.Ne6 Kf6 50.fg4 fg4 51.Kf4+-) 49.d5 (better 49.Ng6 Ke6 50.Nh4 Kf7+-) 49...Kd6 (49...Kd7 50.Kd4 Ke8 51.Ke5+-) 50.Kd4 Kd7 51.Ke5 h3 (51...gf3 52.gf3 Ke7 53.Ng6 Kd8 54.d6+-) 52.gh3 (better 52.Nh3!? Ke7 53.Kf5 gf3 54.gf3 Kd6+-) 52...gf3 53.Nd3 (53.Kf5?? f2-+) 53...f4 54.Kf4 (54.Nf4? f2-+) 54...Kd6 55.Ke4 Ke7 56.Ke5 Kd7 57.h4 Ke7 58.d6 Kd7 59.h5 Ke8 60.Ke6 Kf8 (60...f2 61.Nf2 Kd8 62.h6 Kc8 63.d7 Kc7 64.h7 Kb8 65.h8Q Kc7 66.d8Q Kc6 67.Qb8 Kc5 68.Qc3) 61.d7 f2 (61...Kg7 62.d8Q Kh7 63.Qe7 Kh6 64.Qf6 Kh5 65.Kf5 f2 66.Nf4) 62.d8Q Kg7 63.Qf6 Kh7 64.Qg6 (64.h6 f1Q 65.Qg7) 64...Kh8 65.h6 (65.h6 f1Q 66.Qg7; 65.Nf2?!=) 1-0. XuMEPA (2165) - eqellar (1970), Rated Blitz game, lichess.org, 2014.

5.Nf6 Bf6

6.Bf6 ef6

7.e3 d6 8.d4 Nd7 9.Nf3 Nb6 10.Bd3 f5 11.0-0 Be6 12.Qe2 a6 13.c4 Qe7 14.d5 Bd7 15.Nd4 c5 16.dc6 bc6 17.Rab1 d5 18.c5 Nc8 19.Ba6 Na7 20.Rfd1 Rab8 21.Qf3 Qe4 22.Qg3 Qg4 23.Qc7 Rb4 24.Be2 Qe2 25.Ne2 Rb1 26.Rb1 Rc8 27.Qd7 1–0. b4_player (2130) – SeeB (1655), GameColony.com, 2002.

7.Nf3 d6 8.e3+= Nc6 (8...Be6 9.d4+=) 9.b5 Ne5 (9...Ne7 10.Be2+=) 10.d4 Nf3 (10...Nd7 11.Bd3+=) 11.Qf3+/- d5 12.Bd3 Bd7 (better is 12...a6!?+/-) 13.Qd5+- Be6 (13...c6 14.bc6 bc6 15.Qc5+-) 14.Qb7 Qd5? (better is 14...Bd5 15.Qa6 Bg2+-) 15.Qd5 Bd5 16.f3 f5 (16...Rfe8 17.c4 Be6 18.g4+-) 17.c4 (17.Kd2 Be6+-) 17...Be6 (17...Bb7 18.Kd2+-) 18.d5 Bd7 (18...Rfd8 19.a4+- (worse is 19.de6 Rd3 20.Ke2 Ra3+-)) 19.Kf2 (19.Ke2 Rae8+-) 19...a6 (19...Rfe8 20.c5+-) 20.a4 Ra7 (20...Rfd8 21.a5 Bc8 22.e4+-) 21.c5 (21.a5 ab5 22.cb5 Rfa8+-) 21...Rfa8 (21...ab5 22.ab5 Rfa8 23.Ra7 Ra7 24.b6 cb6 25.cb6+-) 22.b6 (worse is 22.ba6 Bc8+-) 22...cb6 23.cb6 Rb7 24.a5 Rc8 (24...Kf8+-) 25.Ba6 Rbb8 (25...Rc2 26.Kg3 Rb8 27.Rhc1 f4 28.ef4 Rc1 29.Rc1+-) 26.Bc8 Bc8 27.Rhc1 Bb7 (27...Ba6 28.e4+-) 28.d6 Kf8 (28...Ba6+-) 29.a6 Bc6 30.Rc6 1–0. Winner – Chistian, internet free, 2018.

7.Nf3 Qe7 8.a3=.

7.e3 d5

4.Ne4 d5

5.Nf6 Bf6 6.Bf6 ef6 7.e3 0-0 8.Nf3 Qd6 9.a3 a5 10.b5 c5 11.bc6 Nc6 12.d4 Na7 13.Qd2 Bd7 14.Bd3 Nb5 15.a4 Na3 16.Qc3 Nc4 17.Nd2 Nb6 18.Qb3 Rfc8 19.0-0 Qc6 20.Rfb1 Na4 21.Bb5?? Qb5-/+ 22.Qb5 Bb5 23.Rb5 Rc2 24.Nb3 Nc3 25.Rba5 Ra5 26.Na5 b5 27.Nb3 b4 28.Kf1 Rb2 29.Nc5 Na2 30.Nd3 Rd2 31.Ke1 ½–½. Szary,Marcin (1860) – Sciborowski,Miroslaw (2135), DMR KPZSzach, 2008.

5.Nf6 ef6

6.e3 Be6 7.Nf3 0-0 8.Be2 Nd7 9.d4 c6 10.0-0 a5 11.b5 Qc7 12.a4 Rfc8 13.Rc1 (13.Bd3 Nb6=) 13...Nb6 14.Ba1 Bf8 15.c3 Bd6 16.h3 cb5 17.Bb5 Bf5 18.Qb3 Nc4 19.Bb2 Qe7 20.Ra1 Qe4 21.Bc4 dc4 (< 21...Rc4 22.Nd2 (22.Qb7? Rb8 23.Qa6 Qe6 24.Qa5 Rb2-+) 22...Qe6 23.Nc4 dc4 24.Qd1+/- (< 24.Qb7 Rb8 25.Qf3 Rb2-/+)) 22.Qd1 g5 (22...Qe7 23.Qc1=) 23.Qe2 Ra6 24.g4?? (better is 24.Rfd1=) 24...Bg4!-+ 25.hg4 Qg4 26.Kh1 Qh3 27.Kg1 g4 28.Ne5 fe5 29.f4 Qg3 30.Qg2 Qg2 31.Kg2 ef4 32.ef4 Re8 33.Bc1 Rb6 34.Rf2 f5 35.Raa2 Rb1 36.Bd2 h5 37.Kg3 Kf7 38.Rh2 Kg6 39.Kf2 Re4 40.Kg3 Rg1 41.Kf2 Rd1 42.Rb2 Rd2! 43.Rd2 Bf4 44.Kf1 Bh2 45.Rh2 g3 46.Rd2 h4 47.Kg2 Re3 48.Rc2 f4 49.Rb2 f3 50.Kf1 Rc3 51.Ke1 Re3 52.Kf1 g2 (52...g2 53.Kf2 Re2 54.Re2 fe2 55.Ke2 g1Q 56.Kf3 h3 57.Ke4 h2 58.d5 h1Q 59.Ke5 Qg5 60.Kd4 Qhd5 61.Kc3 Qgd2#) 0–1. Babichev,Vyacheslav (1760) – Lange,Carsten (2065), Nuremberg–ch op, 2004.

6.g3 c6 7.Bg2 0-0 8.Nf3 a5 (8...Qe7 9.Rb1=) 9.a3 (9.ba5 Qa5 10.0-0 Re8=) 9...ab4 (9...Re8 10.ba5 Ra5 11.a4=+) 10.ab4= Ra1 11.Ba1 Qe7 (11...Qb6 12.c3=) 12.c3 (12.b5 Re8=) 12…Bg4 (13.h3 Bf3 14.Bf3 Nd7=; 12...Re8 13.e3=). Behrmann,Klaus – Hanegby,Avigdor, compuserve, 1997.

6.g3 Nc6 7.a3=.

4.Ne4 d6

5.Nf6 Bf6 6.Bf6 ef6 7.g3 Be6 (7...0-0 8.Bg2=) 8.Bg2 c6 (8...Nd7 9.a3 c6 10.Nf3=) 9.Nf3 0-0 10.Nd4 (10.0-0 a5=) 10...Bd7 (10...a5 11.a3=) 11.0-0+= Re8 12.c3 (12.e3 Qb6+=) 12...Qe7 13.Qc2 (better is 13.Re1+=) 13...c5? (better is 13...a5=) 14.Bb7+- cd4 (14...Bh3 15.Ba8 Bf1 16.Rf1 d4 17.e4+-) 15.Ba8 Nc6 (15...Qe2 16.Qd1+-) 16.Bc6 Bc6 17.cd4 (17.Rfe1 Ba8+-) 17...Ba8 (17...Bb5 18.Rfe1 Be2 19.d3+-) 18.e3 Qe6 (18...Qb7 19.f3 Qb4+-) 19.Qa4 (19.f3 f5+-) 19...Rf8?? (better is 19...Bf3 20.Qe8 Qe8-/+) 20.f3+- (20.Qa7?? Bf3 21.Qb7 Bb7-+) 20...Qc4 (20...Qe7 21.Rac1+-) 21.Rac1 Qe2 (21...Qd3 22.Rf2+-) 22.Rf2 Qd3 23.Rc3 (23.Qa7 Bd5+-) 23...Qb1 24.Rf1 Qf5 25.e4 (25.Qa7 Qb5+-) 25...Qg5 26.Rfc1 Qd2 27.Qa7 d5 28.Rc8 (28.ed5 Bd5 29.Qc5 Re8+-) 28...Kg7 29.Qa8 de4 (29...Qe3 30.Kg2 Qd2 31.Kh1 Qc1 32.Rc1 Ra8+-) 30.Qe4 (30.Rf8?! Qc1 31.Kg2 Qd2 32.Kf1 Qd1 33.Kf2 Qd2 34.Kg1 Qd1 35.Kg2 Qd2 36.Kh1 Qd1 37.Kg2 Qd2=) 30...Qa2 (30...Rc8 31.Rc8 Qd1 32.Kg2 Qd2 33.Kh3 Qh6 34.Qh4+-) 31.Rf8 Kf8 32.Rc7 Qa1 (32...Kg7 33.d5+-) 33.Kg2 Qa2 34.Kh3 Qa6 (34...Qe6 35.Qe6 fe6 36.b5 Ke8 37.b6 Kd8 38.Rc3 Ke7 39.b7 Kd7 40.b8Q e5 41.Rc7 Ke6 42.Qc8 Kd5 43.Qd7) 35.Qe7 (35.Qe7 Kg7 36.Qf7 Kh6 37.Qh7 Kg5 38.Qh4 Kf5 39.Qg4) 1–0. Mickey – Guest6445, internet corr, 2018.

4.Ne4 e6

5.Nf3 d5 6.Nf6+= Bf6 7.Bf6 Qf6 8.d4 0-0 9.e3 c6 10.c4 a6 11.Ne5 (11.Rc1 Rd8+=) 11...Nd7= 12.Qf3 Qe7 13.a3 f6 (13...Ne5 14.de5 a5 15.Rb1=) 14.Nd7+= Bd7 15.Be2 e5 (15...dc4 16.Bc4 a5 17.Rb1=) 16.cd5+= e4 (16...ed4!? 17.ed4 Rfe8+=) 17.d6+/- Qe6 18.Qg3 Kg7 19.0-0 (19.h4 a5 20.ba5 Ra5+=) 19...f5+= 20.Qf4 (20.Rad1 f4 21.ef4 Qd6+=) 20...Rae8 21.Rfc1 Qf6 (21...Rf6 22.Rc5+=) 22.Bc4 (22.a4 g5 23.Qg3 Kh8+/-) 22...g5 23.Qg3 h5 (23...Kh8 24.h4 f4 25.Qg5 Qd6 26.Qc5+/-) 24.h4 g4 25.d5 f4 26.ef4 Qf4? (better is 26...Qd6 27.dc6 Bc6 28.Qc3 Rf6+/-) 27.Qf4+- Rf4 28.dc6 Bc6+/- 29.Ba6 Ref8? 30.b5 Bd5 31.Rc7 Kg6? 32.Bb7 Bb7 33.Rb7 Rf2 34.a4 e3 35.Re1 e2-+ 36.Kh2 Rd8?? 37.d7+- Kf5 38.Kg3 Rf4 39.a5 Re4 40.Kf2 Kf4 41.Re2 g3 (42.Ke1 Rd4+-). tromar (1865) – Fetzer (1930), GameColony.com, 2002.

5.Nf3 d6 6.Nf6 Bf6 7.d4=.

3.c4 a5

4.a3 Bg7 5.Nf3 0-0 6.e3 ab4 7.ab4 Ra1 8.Ba1 d6 9.d4 c6 10.Bd3 Qb6 (10...d5 11.c5=) 11.Qd2 (11.Bc3 c5+=) 11...Na6 12.Bc3 Qa7 13.0-0 Bg4 14.Qe2 Nd7 0–1. jackhammer3000 (1900) – r8derfan (1945), gameknot.com, 2016.

4.b5 c5 5.e3 b6 (5...Bg7 6.Nc3=) 6.Be2 (6.Bf6 ef6 7.Be2 Ra7+=) 6...Bg7 7.Bf3 Ra7 8.Ne2 0-0 9.0-0 d6 10.d4 Nbd7 11.Nd2 Re8 12.Qc2 e5 13.h3 (13.d5 Qe7 14.Nc3 h6+=) 13...ed4 14.ed4 Nf8 15.Nf4 Bf5 16.Qc3 Ne4 (16...cd4 17.Qc1+= (17.Qd4?? Nh5 18.Bh5 Bd4 19.Bd4 gh5-+)) 17.Ne4 Be4 (17...Bd4 18.Qd2 Bb2 19.Rae1+=) 18.Be4= Re4 19.Qf3 Rae7 20.Nd5 Re8 21.Rad1 Re2 (21...cd4 22.Qg3=) 22.Bc1 (22.Bc3!? Nd7 23.dc5 dc5 24.Bg7 Kg7 25.Nb6 Qb6 26.Rd7+/-) 22...cd4 (22...Bd4 23.Be3 Rc2 24.Bd4 cd4 25.Nf6 Kg7 26.Ne8 Qe8 27.Qd3+-) 23.a3 Ra2 (23...Nd7!?=) 24.Rfe1 Re1 25.Re1 a4?? (better is 25...Ne6+=) 26.Ne7+- Kh8 27.Qf7 Nd7 28.Nd5 (better is 28.Nc6 Qg8 29.Qd7+-) 28...Ne5+= 29.f4?? (better is 29.Bg5! Qg8 30.Qc7+=) 29...Nf7-+ (29...Nf7 30.Nb4 Ra1-+) 0–1. GuestPXKS – GuestGHXC, freechess.org, 2017.

4.b5 c6 5.a4 d5 6.e3 Bf5 7.Nf3 Nbd7 8.bc6 bc6 9.Nd4 Qb6 10.Bc3 (10.Nf5? Qb2 11.Nc3 gf5-+) 10...e6 11.cd5 cd5 12.Nf5 gf5 13.Bb5 Bg7 14.Bd7 Kd7 15.0-0 Rhg8 16.Na3 Ng4 17.h3 Bc3 18.dc3 Ne5 19.c4 Ke7 (19...Qb4 20.cd5 Qe4 21.f3 Qe3 22.Kh1+=) 20.cd5+/- Rad8 21.Rb1 Qc5 22.Qb3?? (better 22.Rb7 Kf6 23.f4 Qe3 24.Kh1+/-) 22...Nf3-+ (22...Qd5?! 23.Qd5 Rd5 24.Rfc1=; 22...Rd5 23.Rfc1 Qd6 24.Kf1=) 23.Kh1 Nd2 24.Qb7 Rd7 25.Qc6 Nf1?? (better 25...Qa3 26.de6 fe6-+) 26.Qc5+- Kf6 27.Rf1 Rd5 28.Qc3 Kg6 29.Nc4 f6 30.Nb6 Rdd8 31.Qc7 (31.Rc1 h6+-) 31...h5 32.Rc1 Rde8 (32...h4 33.g3 Kh6 34.Qe7 hg3 35.Qf6 Kh5 36.Qe6+-) 33.Rc6 Rg7 34.Qf4 Rf7 35.Qg3 Kh6 36.Nc4 Ree7 37.Qf4 Kg6 (37...Kg7 38.Qf3+-) 38.Rc8 e5 39.Qg3 Kh7 40.Nd6 (40.Qg8 Kh6 41.Qh8 Kg6 42.Ne5 fe5 43.Rc6 Rf6 44.Qf6 Kh7 45.Qe7 Kg8 46.Rc8) 40...Rg7 (40...Rf8 41.Rf8 Rg7 42.Qf3 Rg5 43.Qb7 Rg7 44.Qc8 Rd7 45.Rh8 Kg6 46.Qe8 Rf7 47.Qf7 Kg5 48.Qh5) 41.Qh4 (41.Qf3 Rg4 42.hg4 fg4 43.Qf6 Rg7 44.Nf5 Rd7 45.Rh8) 41...Rg5+- 42.Ne8 (42.f4 ef4 43.ef4 Re3 44.fg5 Re1 45.Qe1 Kg6 46.Rg8 Kh7 47.Qe6 fg5 48.Qg6) 42...Rd7 43.Nf6 Kg6 44.Nd7 Rg4 (44...f4 45.Rc6 Kg7 46.Qg5 Kf7 47.Ne5 Ke8 48.Rc8) 45.Qf6 Kh7 46.Rh8 1-0. jhonores (2235) - donkechess (2265), Rated Bullet game, lichess.org, 2020.

4.b5 d6 5.Nf3 Bg7 6.g3 b6 7.Bg2 Bb7 8.0-0 0-0 9.Nc3 Ne4 10.Qc2 Nc3 11.Bc3 e5 12.d3 Nd7 13.Ne1 Bg2 14.Ng2 Nc5 15.Ne3 f5 16.f4 ½–½. Ree – Nilsson, 1968.

4.b5 Bg7 5.d4=.

4.b5 a4

5.a3 Bg7 6.e3 0-0 7.Nc3 d5 8.Na4 dc4 9.Bc4 Nbd7 (9...c6 10.Nc3+=) 10.Nf3+- e5 (10...Qe8 11.d4+-) 11.0-0 (11.Ne5!? Ne5 12.Be5+-) 11...e4 12.Nd4 (12.Ne1 Qe7+-) 12...Ne5+= 13.Be2 Nd3 (13...Nfd7 14.Qb3+-) 14.Bc3 (14.Bd3 ed3 15.Nc5 Qe7 16.Nd3 Qd6+-) 14...Nd5 15.Nb2?? (better 15.Bd3 ed3 16.Nc5+-) 15...Nc3-+ 16.dc3 Nb2 17.Qc2 Nd3 (17...Na4 18.Rfd1-+) 18.f3 (18.Bd3 ed3 19.Qd3-+) 18...Nc5 19.fe4 Qe7 20.Bf3 Bd7 21.a4 Rfe8 (21...Qg5 22.Kh1-+) 22.Qf2 (22.a5 Be5-+) 22...Nd3 (better 22...Ra4 23.Ra4 Na4-+) 23.Qg3?? (23.Qc2 Ne5 24.Qf2-+) 23...Be5 24.Nf5 (24.Be2 Bg3 25.Bd3-+) 24...Bg3 (better 24...Bf5 25.ef5 Bg3 26.hg3 gf5-+) 25.Ne7 Re7 26.hg3 Nc5 27.a5 (27.c4 Re5-+ (27...Ne4?! 28.Rfd1 Nc5 29.a5-+)) 27...Ne4 (better 27...Bb5 28.Rfb1 Bd3 29.Rb2-+) 28.c4 Nc5 (28...Nd2 29.Rfd1 Nc4 30.a6 Bb5 31.ab7-+) 29.Rfd1? (29.a6 Re3 30.ab7 Rd8-/+) 29...Be6 (29...c6 30.a6 ba6 31.Ra5-+) 30.Bd5? (better 30.a6-/+) 30...Bd5-+ 31.Rd5 b6 (better 31...Nb3!? 32.Ra3 Na5 33.c5-+) 32.a6 (32.Ra3 Ne4 33.a6 c6 34.bc6 Rc7-+) 32...Re3 33.Rc1 (33.Rad1 Kg7-+ (33...Rg3?! 34.Rd8 Rd8 35.Rd8 Kg7 36.a7=)) 33...Re4 34.Rc3 (34.g4 Rg4 35.Rcd1 Kg7-+ (35...Rc4?! 36.Rd8 Rd8 37.Rd8 Kg7 38.a7 Rc1 39.Kh2-/+)) 34...Kf8 (34...c6 35.bc6 Na6 36.Rb5-+) 35.Kh2 (35.Kf1 Ke7 36.Rd1 c6-+) 35...Ke7 36.Rd2 h5 37.Rf2 Rd8 (37...c6 38.Rcc2-+) 38.Rcf3 f5 39.Rc3 Ra8 40.Rd2 Na6 (40...c6 41.Rcc2-+) 41.ba6? (better 41.Ra2-+) 41...Ra6 42.Rd5 (42.Rc1 Ra5-+) 42...Ra4 (42...Ra1 43.Rdd3-+) 43.Rcd3 (43.c5 b5-+) 43...Rac4 44.Rd7 Kf6 Black intends h4 45.Rd8 Kg5 Black prepares the advance h4 46.Rf8 (46.R3d7 Re1 47.Rd1 Rd1 48.Rd1-+) 46...Re1 47.g4 h4 48.gf5 Rg4 (better 48...Rcc1 49.Rg3 hg3 50.Kg3 Re3 51.Kf2 Rce1-+) 49.Rd2? (49.fg6 Re2 (49...Kg6?? 50.Rg8 Kf5 51.Rf3 Rf4 52.Rf8 Ke5 53.R3f4+-) 50.g7 Reg2 (worse 50...Rgg2 51.Kh1 Rh2 52.Kg1 Rhg2 53.Kf1+-) 51.Kh3 Kh6-+) 49...Rg3 (49...Rf4!? 50.f6-+) 50.Rg8? (better 50.fg6 Kg6 51.Rg8 Kf6 52.Rg3 hg3 53.Kg3-/+) 50...Kf5-+ 51.Rg6 (51.Rf8 Kg4 52.Rd4 Kh5 53.Rh8 Kg5 54.Rhh4-+) 51...Kg6 52.Rd6 Kh5 (52...Kg5 53.Rg6 Kf4 54.Rf6 Ke3 55.Re6 Kd2 56.Rd6 Rd3 57.Rh6-+) 53.Rd5 (53.Rh6 Kg5 54.Rh5 Kf4 55.Rh4 Rg4-+) 53...Rg5 54.Rd3 (54.Rd7 c5 55.Rh7 Kg4 56.Rb7-+) 54...Rg2 (better 54...Re2-+) 55.Kg2 Re2 (55...c5 56.Rd6 Rb1 57.Rd8-+) 56.Kf3 c5 (better 56...Rc2-+) 57.Ke2 c4 (57...Kg4 58.Rb3+-) 58.Rd5 (58.Rd6 Kg4+-) 58...Kg4 59.Rd4 Kh3 60.Rc4 Kh2 (60...Kg3 61.Rc3 Kg2 62.Rc6+-) 61.Rb4 (61.Kf3 Kh3 62.Rb4 Kh2 63.Rh4 Kg1 64.Rb4 b5 65.Rb5 Kh2 66.Rb1 Kh3 67.Rh1) 61...Kg1 (61...Kg3 62.Rb3 (worse 62.Rb6 h3+-) 62...Kg4 63.Kf2+-) 62.Rb3 (62.Rh4 Kg2 63.Rg4 Kh3 64.Kf3 Kh2 65.Rh4 Kg1 66.Rb4 Kh2 67.Rb6 Kg1 68.Rh6 Kf1 69.Rh1) 62...h3 (62...Kg2+-) 63.Rh3 (63.Kf3 Kh2 64.Rb6 Kg1 65.Rb2 Kh1 66.Kg3 h2 67.Rb1) 63...Kg2 (63...b5 64.Rg3 Kh1 65.Kf2 Kh2 66.Rg4 Kh3 67.Re4 b4 68.Rb4 Kh2 69.Rh4) 64.Rb3 (64.Rb3 Kh2 65.Kf2 b5 66.Rb5 Kh3 67.Rb4 Kh2 68.Rh4) 1–0. BeepBeepImAJeep (2550) – Beginner98 (2375), lichess.org, 2016.

5.e3 e6 6.a3+= d6 7.Nc3 Bg7 8.Na4 0-0 9.Nc3 Ne4 (9...e5 10.Nf3+=) 10.Qc2 d5 (10...Nf6 11.Nf3+/-) 11.Ne4+/- Bb2 12.Qb2 de4 13.Qe5 f5 14.Nh3 Qe7 15.c5 Nd7 16.Qc7 Qc5 17.Qc5 Nc5 18.Nf4 (18.f3 b6+=) 18...b6 (18...Rd8 19.b6=) 19.Bc4 (19.d4!? ed3 20.Nd3 (20.Bd3? g5-+) 20...Nd3 21.Bd3+/-) 19...Ra4= 20.Ba2 (20.Rc1 Ra3 21.Ke2 g5=) 20...g5 (20...Bd7 21.Rd1 Bb5 22.Be6 Kg7 23.Bd5 Ra3 24.f3-/+) 21.Nh5 (21.Ne2 Rf7+=) 21...Nd3 (21...Bd7!?+=) 22.Ke2= Kf7 23.Bb3 (23.Ng3 Bd7 24.Bb3 Ra5=) 23...Ra5 24.Ng3 (better is 24.a4=) 24...Rb5-+ 25.Bc4 Rc5 26.Bd3 ed3 27.Kd3?? (better is 27.Ke1-/+) 27...Ba6 (27...Ba6 28.Kd4 e5) 0–1. GuestPHHT – GuestTLYT, freechess.org, 2017.

3.c4 d6

4.a4 c6 5.b5 (5.Bf6 ef6 6.d4 c5=) 5...Nbd7 6.e3 e5 7.Nf3 Bg7 8.Be2 0-0 9.0-0 Re8 10.d4 Qe7 11.Nc3 a5 12.Rc1 Nf8 13.de5 de5 14.Qb3 Bg4 15.Ba3 Bf3?? (better 15...Qe6+=) 16.Be7+- (16.Be7 Be2 17.Bf6 (worse 17.Ne2 Re7 18.Rfd1 Ne6+-) 17...Bf1 18.Bg7 (18.Rf1?! Bf6 19.bc6 bc6+-; 18.Kf1?! Bf6 19.bc6 bc6+-) 18...Bc4 19.Qc4 cb5 20.Qb5 Kg7 21.Ne4+-; 16.gf3?! c5=; 16.Bf3?! Qe6+=) 1–0. BeepBeepImAJeep (2595) – gajardo (2370), lichess.org, 2016.

4.e3 c5 5.b5 Bg7 6.Nf3 Bf5 7.d3 Nbd7 8.Nc3 Bg4 (8...Qa5 9.Qd2=) 9.Be2 0-0 10.h3 Bf3 11.Bf3 (worse is 11.gf3 a6=) 11...Qc7 12.0-0 Rfc8 13.Qb3 (13.a4 Ne5+=) 13...e6 14.Rfc1 Re8 15.a4 Ne5 16.Be2 a6 17.d4 cd4 18.ed4 Ned7 19.Bf3 (19.a5 e5 20.Nd5 Nd5 21.cd5 Qd8+=) 19...Rac8 20.Be2 Nb6 21.Nd1 Bh6 22.Ne3 ab5 (22...a5 23.Qd3+=) 23.cb5 Qd7 24.a5 Nbd5 25.Rc8 Qc8 (25...Rc8 26.Nd5 Nd5 27.Bf3+/-) 26.Nd5 ed5 27.Bf3 Qc4?? (better is 27...Bf4+/-) 28.Qc4+- dc4 29.Bb7 d5 (29...Bd2 30.a6 c3+-) 30.a6 Bd2 31.a7 c3 32.Bc1 Re1 33.Kh2 Re8 34.Bd2 cd2 35.a8Q Ra8 36.Ra8 Kg7 37.Ra1 Ne4 (37...g5 38.Bc6 Ne4 39.b6+-) 38.Rd1. Sie – Cpu, AI Factory's Chess, 2016.

4.e3 e5 5.Nf3 Bg7 6.d4 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 e5).

4.e3 Bg7 5.Be2 0-0 6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.Be2).

4.Nf3 Bg7 5.Nc3 e5 6.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 d6 5.e3 e5 6.Nc3).

4.Bf6 ef6 5.d4 Bg7 6.Nf3 0-0 7.e3 Be6 8.Nc3 d5 9.cd5+/- Bd5 10.Nd5 Qd5 11.Rc1 Qd6 12.Qb3 Nd7 13.Bd3 Nb6 14.0-0 f5 15.Rc5 Rae8 16.Rfc1 c6 17.b5 Nd7 18.R5c2 Rc8 19.bc6+- bc6 20.Qa4 Qb8 21.Rc6 Rc6 22.Qc6 Nb6 23.Qc7 Rc8 24.Qb8 Rb8 25.Rc7 a5 26.Ra7 Ra8 27.Rb7 Nc8 28.Kf1 Nd6 29.Rd7 Bf8 30.a4 f6 31.Nd2 h5 32.Nc4 Nc4 33.Bc4 Kh8 34.Bf7 1–0. woschkat (2175) – peterpawn (2065), net–chess.com, 2001.

3.c4 e6

4.a3 a5 5.Nf3 (5.e4!?=) 5...ab4=+ 6.ab4 Ra1 7.Ba1 Bb4 8.g3 0-0 9.Bg2 d5 (10.Bf6 Qf6=+). sugamuxi – weBNimzo, ChessWorld.net, 2004.

4.a3 Bg7=.

4.b5 a6 5.a4 a5 (5...ab5 6.ab5 Ra1 7.Ba1+=) 6.e3= c5 (6...Bb4 7.Qf3 Be7 8.Nc3+=) 7.Nf3 b6 (7...Bg7 8.d4 cd4 9.ed4+=) 8.Nc3 (8.g4 h6+=) 8...Bb7+= 9.Be2 Rg8 (9...Bg7 10.d4+=) 10.0-0 Bg7 (10...g5 11.d4+/-) 11.d4 d6 12.dc5 (12.Qd3 Nbd7+/-) 12...dc5 13.Qd8 (13.Qc2!?+/-) 13...Kd8+= 14.Rad1 Kc8 (better is 14...Ke7!?+=) 15.Ng5+- h6 (better is 15...Rf8!? 16.Nb1 Nbd7 17.Nh7 Rg8+/-) 16.Nf7 Ne8? (16...Kc7+-) 17.Bg4 Nd7 (17...Rf8 18.Be6 Kc7+-) 18.Be6 Nd6 (18...Nef6 19.Nd6 Kc7 20.Nb7 Kb7 21.Bd7 Rad8 22.Bc6 Kc8+-) 19.Nd6 Kc7 20.Nb7 Rad8 21.Nd8 Bd4 22.Bg8 1–0. DEFFM – GuestFJBX, freechess.org, 2018.

4.b5 Bc5 5.e3 c6 (5...d5 6.d4 Bb4 7.Bc3=) 6.a4 (6.Qf3 Be7+=) 6...b6 (6...d5 7.Nf3=) 7.Nf3 cb5 (7...a6 8.d4 Be7 9.Nc3+=) 8.ab5 0-0 (8...d5 9.cd5 ed5 10.Be2+=) 9.Be2 (9.d4 Be7+=) 9...Bb7 (9...d5 10.0-0+=) 10.0-0 (10.d4 Be7+=) 10...Be7 (10...d5 11.d4 Bd6 12.Nbd2+=) 11.Nc3 (11.Ne5 d5+=) 11...d5 12.cd5 Nd5 13.Nd5 Qd5 14.Rc1 (14.Ra4 Rc8+=) 14...Bc5 (14...a6 15.Rc7 Bc5 16.Be5 ab5 17.d4=) 15.Qa4 a6 16.ba6 (16.Qh4 Nd7+/-) 16...Na6 (16...Ba6 17.Ba6 Na6 18.Qh4+=) 17.Qf4 (better is 17.Qh4 f5 18.d4+-) 17...Bd6?? (better is 17...Qf5 18.Qh6 f6+=) 18.Qf6+- Nc5 (18...e5 19.Bc4 Qe4 20.Qd6 Nc5+-) 19.Qg7 1–0. Devis – De Wreede, Beveren, 1996.

4.b5 c6 5.a4 cb5 6.ab5 Bg7 7.e3 0-0 8.Nf3 a5 9.Nc3 b6 10.Be2 d6 11.0-0 Bb7 12.Qc2 d5 13.d3 (13.cd5 Nd5 14.Nd5 Qd5 15.Bg7 Kg7 16.Qc3 Kg8+=) 13...dc4= 14.dc4 Qc7 15.Rfd1 Ng4 (15...Nbd7 16.Ba3 Nc5 17.Bc5 Qc5 18.Na4=) 16.h3 Bf3?? (better is 16...Ne5 17.Ne5 Be5+=) 17.Bf3+- (17.hg4?! Be2 18.Qe2 Nd7=) 17...Qh2 18.Kf1 Ne5 (18...Ne3 19.fe3 Ra7 20.Ba3+-) 19.Ba8 Nbd7 20.Bc6 Nf6 (20...Nc6 21.bc6 (worse is 21.Rd7 Ne5 22.Rc7 Qh1 23.Ke2 Qg2+-) 21...Ne5 22.Ne2+-) 21.Ne4 Qh1 (21...Ne4 22.Qe4 h6+-) 22.Ke2 Qh2 23.Nf6 Bf6 24.f4 (better is 24.Rh1 Qh1 25.Rh1+-) 24...Nc6 25.Bf6?? (better is 25.Kf3 Nb4 26.Qf2+-) 25...Nb4?? (better is 25...Qg2 26.Ke1 Qc2 27.bc6 Qe4-+ (27...Qc4 28.Rac1 Qe4 29.Kf2=)) 26.Qe4+- e5 27.fe5 (27.fe5 h6 28.e6+-) 1–0. GuestZSBG – GuestQGNH, freechess.org, 2017.

4.b5 d5 5.e3 a6 6.a4 (6.Nf3 Bg7=) 6...ab5 7.ab5 Ra1 8.Ba1 Nbd7 9.d4 (9.Nf3 Bg7=) 9...Ne4 10.Nf3 (10.Nc3!?=) 10...Bb4+= 11.Nfd2 Qh4 12.Qf3 0-0 (12...dc4 13.Bc4 Ne5 14.de5 Nd2 15.Nd2 Qc4 16.Qd1-/+) 13.cd5 (13.Bd3 Nd2 14.Nd2 dc4 15.Bc4 Ne5-/+) 13...ed5-/+ 14.Bd3 (14.Bb2 Ne5 15.Qf4 Bg4-+) 14...Ndf6 15.g3 Qh3 16.Bf1 Qh6 (better is 16...Qe6 17.Bb2 Ng4-+) 17.h3? (better is 17.Bb2-+) 17...Nd2 18.Nd2 Ne4 1–0. GuestQJBB – GuestCHZJ, freechess.org, 2016.

4.b5 b6

5.e3 Bb7 6.Nf3 Bb4 (6...a6 7.Nc3=) 7.Be2+= d5 (7...a6 8.Qb3 Be7 9.Nc3=) 8.cd5 Bd5 9.Nc3 Bb7 10.0-0 Nbd7 11.Nd4 Rg8 (11...e5 12.Nc6 Bc6 13.bc6+/-) 12.Nc6 Bc6 13.bc6 Ne5 (13...Nc5 14.Nb5 Nd5 15.a3+/-) 14.Nb5 Nc6 (better is 14...Bd6+/-) 15.Bf3?? (15.Bf6 Qf6 16.Nc7 Kd7 17.Na8 Ra8+-) 15...Qd7?? (better is 15...Nd5=) 16.Bf6+- a6 17.Qc2 Bc5 18.d4 Nb4 19.Qe4 Nd5 20.Nc3! Be7 21.Be7 Qe7 22.Nd5 ed5 23.Qe7 Ke7 24.Bd5 Rad8 25.Bb3 Rd6 26.Rfc1 Rc8 27.Rc4 c6 28.d5 c5 29.f4 b5 30.Rcc1 c4 31.e4 f6 32.Bd1 h5 33.Bf3 Kf7 34.e5 fe5 35.fe5 Rb6 36.Re1 c3 37.Rac1 b4 38.Be4 a5 39.Rf1 Ke7 40.Bg6 Rg6+/- 41.e6 Rd8 42.Rf7 Kd6 43.e7 Re8 44.Rcf1 Kd5 45.Rd1 Ke6-/+ 46.Rh7 c2 47.Rc1=+ Rg5 48.Rc2+= Re5 49.Rh6 Kd7 50.Rd2 Ke7 51.Rh7 Kf6 52.Rd6 Kg5 53.Rg7 Kf4 54.Rd4 Ke3 55.Rgd7=+ Re4 56.Rd3 Kf4 57.g3 Kf5 58.R3d5 R4e5 59.h3 Rd5 60.Rd5 Re5 61.g4 hg4-/+ 62.hg4 Kf4 63.Re5 Ke5 64.Kg2 Kf4 65.Kh3 Kg5 66.Kg3 a4 67.Kf3 b3 (68.ab3 ab3-+) 0–1. Dopper,Johan – Dalsen,John, 1995.

4.b5 Bg7

(--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.b5 e6).

4.c5 Bg7

4.e3 Bb4

5.a3 Bf8 6.Nf3 Bg7 7.Be2 0-0 8.0-0 b6 9.Nc3 Bb7 10.d3 c5 11.Qc2 d5 12.d4 dc4 (better is 12...cd4 13.Nd4 dc4 14.Bc4 Qc8-/+) 13.Bc4? (better is 13.dc5 Nbd7 14.cb6 Nb6 15.Rfd1+=) 13...Bf3-+ 14.gf3 Nbd7 (14...cd4 15.Rad1-+) 15.Ne4 (15.dc5 Rc8-/+) 15...Ne4 16.Qe4 (16.fe4 Rc8 17.Qe2 Qh4-/+) 16...cd4 17.Bd4 Bd4 18.ed4 (18.Qd4 Qg5 19.Kh1 Rfd8-+) 18...Nf6 (18...Rc8 19.Ba6 Rc3 20.Qf4-+) 19.Qe3 Re8 20.Bb5 (20.Qe5 a6-+) 20...Re7 21.Qe5 Nd5 22.Rfd1? (22.Rac1 Rc8-+) 22...a6 (22...Nc3!? 23.d5 Rc7 24.Rd3 Nb5 25.a4-+) 23.Be2 (23.Bc6 Rc8 24.Bd5 ed5-+) 23...Nc3 24.Rd2 Ne2 25.Re2 Re8 (25...Rd7 26.Re4-+) 26.Rc1 Rc8 27.Rec2 Rc2 28.Rc2 Qe7 29.Rc7 (29.a4 Qd7-+) 29...Qa3 30.Qf6 Rf8 31.Rd7 b5 32.h4 (32.Kg2 b4-+) 32...h5 (32...Qd3 33.Ra7 b4 34.h5-+) 33.f4 (33.Kg2 b4-+) 33...b4 34.Rd8 (34.Kg2-+) 34...b3 35.Rf8 Qf8 (35...Kf8 36.d5 b2 37.Qh8 Ke7 38.d6 Kd7 39.Qb8 Qa1 40.Kh2-+) 36.d5 ed5 37.Qa6 (37.f5 Qe8 38.fg6 fg6 39.Kf1-+) 37...b2 38.Qa2 (38.Qb5 Qa3 39.Kh2 Qa2 40.Qe8 Kg7 41.Qe5 Kh7-+) 38...Qb8 39.Qb1 d4 (better is 39...Qb4!? 40.f5 gf5 41.f3-+) 40.f5 d3! 41.fg6 (41.Qd3 b1Q Deflection) 41...fg6 0–1. GuestNVFF – GuestTCLW, freechess.org, 2017.

5.Bf6? Qf6-+ 6.Qb3 (6.a3 Qa1 7.ab4 Qb2-+) 6...Bd2! 7.Nd2 (7.Kd2 Qa1) 7...Qa1 8.Nb1 Nc6 (8...Na6 9.Ne2-+) 9.Bd3 Qg7 10.Ne2 d5 (10...b6!? 11.0-0-+) 11.cd5 ed5 12.0-0 Be6?? (better 12...Ne7-+) 13.Qb7+- 0-0 14.Qc6 Rab8 (14...Qb2 15.Qc7 Qa2 16.Nd4+-) 15.Nd4 (better 15.Qc7 Rfc8 16.Qa5+-) 15...f5?? (better 15...Qe5+-) 16.Ne6+- Qf7 Black intends f4 (16...Rb6 17.Qd5 (17.Ng7?! Rc6 18.Bb5 Rb6+-) 17...Qf7 18.Bc4+-) 17.Nf8 Rf8 18.Rd1 (18.Nc3 Rd8 19.Nd5 Rd6 20.Qa8 Qf8+-) 18...f4 19.ef4 Qf4 (19...Kh8 20.g3 g5 21.Qc3 Qg7 22.fg5 Qc3 23.Nc3+-) 20.Qd5 Kg7 21.Qd7 (better 21.Qc5!? a5+-) 21...Rf7 22.Bf1 (better 22.Qc6 Qf2 23.Kh1+-) 22...Qf2+= 23.Kh1 Rd7 24.Rd7 Kh6 The mate threat is Qxf1 25.Rd1 (25.Nd2 Qe1+=) 25...c5 (25...Qa2 26.Nd2-/+) 26.h3?? (better 26.Nd2+=) 26...c4?? (26...Qa2 27.Nd2-/+) 27.Nc3?? (27.Bc4 Qc2 28.Bb3 Qc6+-) 27...Qf7?? (better 27...Qc2 28.Bc4 Qc3-/+) 28.Rd4?? (28.Nd5 c3 29.Nc3 Qe6+-) 28...a5 (better 28...Qf6 29.Rg4 Qf1 (29...Qc3?! 30.Bc4 Qe3 31.Bb3-/+) 30.Kh2 Qd3-+) 29.Bc4+- (29.Rc4?? Qf1 30.Kh2 Qc4-+) 29...Qf6 30.Rh4?? (better 30.Ne2+-) 30...Qh4-+ 31.Nd5 (31.Bb5 Qe1 32.Kh2 Qc3 33.a4-+) 31...Qc4 32.Nf6 Qf1 33.Kh2 Qf6 34.h4 Qh4 35.Kg1 Kg5 36.g3 Qg3 37.Kf1 (37.Kh1 Kf4 38.a4 Qe1 39.Kg2 Qd2 40.Kg1 Kf3 41.Kf1 Qd1) 37...Qh2 38.a3 (38.Ke1 Kf4 39.Kd1 Ke3 40.Kc1 Kd3 41.Kb1 Qc2 42.Ka1 Qc1) 38...Kf4 39.a4 Ke3 (39...Ke3 40.Ke1 Qe2) 0–1. Markzela (1635) – Pawnstar05 (1615), lichess.org, 2019.

3.d3 Bg7

4.Nd2 d5 5.Ngf3 0-0 6.g3 a5 7.a3 ab4 8.ab4 Ra1 9.Qa1 Bg4 10.Bg2 e6 11.h3 Bf3 12.Bf3 Nbd7 13.0-0 Qa8 14.Kg2 c6 15.c4 dc4 16.Nc4 Nh5 17.Bg7 Ng7 18.Nd6 Nf5 19.Qa8 Ra8 20.Nb7 Rb8 21.Nc5 Nc5 22.bc5 Rb5 23.Rc1 Nd4 24.e3 Nf3 25.Kf3 Kf8 26.d4 Ke7 27.Ra1 e5 28.Ra6 ed4 29.ed4 Rb3 30.Ke4 Rb2 31.Rc6 Rf2 32.Ra6 Rg2 33.c6 Rg3 34.d5 Kd6 35.Ra7 f5 36.Kd4 1-0. Zobbie (2590) - mmtmtn20 (2505), Rated bullet game, lichess.org, 2023.

4.Nd2 d6 5.e3 e5 6.Be2 0-0 7.h4 Re8 8.h5 c5 9.hg6 fg6 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Qb6 14.c4 Bg4 15.f3 Be6 16.e4 Nbd7 17.g4 Rf8 18.Nf1 d5 19.ed5 Bf7 20.Ng3 Qd6 21.g5 Nh5 22.Ne4 Qe7 23.Rh5 gh5 24.f4 Bg6 25.Nf3 Be4 26.de4 ef4 27.Bg7 Qg7 28.Qg7 Kg7 29.e5 Kg6 30.Bd3 Kg7 31.Be4 Ra8 32.e6 Nf6 33.gf6 Kf6 34.Nh4 Ra4 35.Bd3 Ra3 36.Kd2 Ra2 37.Kc1 Rh2 38.Nf3 Rh3 39.Be2 Rh1 40.Kd2 h4 41.Ne5 h3 42.Kd3 h2 43.Ng4 Ke7 44.Ke4 Re1 45.Nh2 Re2 46.Kf4 Rh2 47.Kg5 b6 48.Kf5 h5 49.Ke5 h4 50.d6 Ke8 51.e7 Re2 52.Kd5 Re7 0–1. ArgosZgZ (1770) – behzad57 (1750), lichess.org, 2020.

4.e4 (--> 3.e4 Bg7 4.d3).

4.e4 d6 5.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 d6 5.e4).

4.Nf3 0-0 5.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.d3).

4.Nd2 0-0

5.a3 (--> 3.a3 Bg7 4.d3 0-0 5.Nd2).

5.e3 d5 6.Be2 c6 7.g4 Re8 8.c3 e5 9.g5 Nfd7 10.h4 Nf8 11.Bg4 Bg4 12.Qg4 Ne6 13.Nh3 Nd7 14.h5 f5 15.gf6 Qf6 16.hg6 Qg6 17.Rg1 Qg4 18.Rg4 Nf6 19.Rg2 Rf8 20.0-0-0 Rf7 21.Rdg1 Kh8 22.Nf3 Rg8 23.Nfg5 Ng5 24.Rg5 Bh6 25.Rg8 Ng8 26.Rg2 Nf6 27.f4 e4 28.c4 Bg7 29.Ng5 Re7 30.Rh2 h6 31.Be5 Kg8 32.Bf6 Bf6 33.Rh6 Bg5 34.fg5 ed3 35.Kd2 dc4 36.g6 Re6 37.Rh4 Kg7 38.Rc4 Rg6 39.Rd4 Rg2 40.Kc3 Ra2 41.Rd3 Ra3 42.Kc4 Rd3 43.Kd3 Kf6 44.Kd4 Ke6 45.e4 Kd6 46.e5 Ke6 0–1. ArgosZgZ – KyrLeo, lichess.org, 2019.

5.e4 d6 6.Be2 a5 7.b5 c6 8.c4 cb5 9.cb5 d5 10.e5 Nfd7 11.d4 Qb6 12.a4 Rd8 13.Ngf3 Nf8 14.Qb3 Bg4 15.h3 Bf3 16.Bf3 Ne6 17.0-0 Nd4 18.Bd4 Qd4 19.Rad1 Qe5 20.Rfe1 Qg5 21.Ne4 Qf4 22.Nc5 Nd7 23.Nb7 Rdc8 24.Bd5 e6 25.Bc6 Ne5 26.Nd6 Rd8 27.Ba8 Ra8 28.b6 Qb4 29.Qb4 ab4 30.b7 Rb8 31.Rb1 Nd3 32.Re3 Nc5 33.Rb4 h5 34.a5 Bf8 35.Ne4 Ne4 36.Ree4 Bb4 37.Rb4 Kf8 38.a6 1–0. ArgosZgZ (1795) – danirogov (1800), lichess.org, 2020.

5.Ngf3 d6=.

5.Nh3 b6 6.f3 (6.c4 a6=) 6...Nd5 7.Ng5?? (better is 7.Bg7 Kg7 8.Qc1=+) 7...Bb2-+ 8.Rb1 (8.Qb1 Bf6 9.Nde4 Ba1 10.Qa1 Nb4-+) 8...Ne3 9.Rb2 Nd1 10.Kd1 d5 11.f4 e5 12.g3 ef4 13.gf4 Qf6 14.Rb3 h6 15.Ndf3 (15.Ngf3 a5 16.Bg2 ab4-+) 15...hg5 16.fg5 Qa1 17.Kd2 Qa2 18.e3 (18.Bg2 a5-+) 18...a5 19.Nd4 ab4 20.Bg2 Qa5 21.Bd5 Qd5 22.Rb4 Qh1 23.Nf3 Qf3 (24.Kc3 Qe3 25.Rb6 Qb6 26.Kd2 Qb4 27.Ke3 Re8 28.Kf2 Qf4 29.Kg1 Ra1 30.Kg2 Re2) 0–1. surfnsuds – Austin, 1.b4 internet, 2005.

3.d4 d5

4.a3 Bh6 5.b5 a6 6.e3 ab5 7.Bb5 c6 8.Bd3 Qb6 9.Ra2 0-0 10.Nf3 Na6 11.Nc3 Ne4 12.Ba6 Nc3 13.Bc3 Qa6 14.Qb1 Bg4 15.Bb4 Rfe8 16.Ne5 Qe2# 0–1. guest508 – crafty, ICC, 1998.

4.Nc3 e5 5.e3 (5.de5!? Bb4 6.a3+=) 5...Bb4 6.Bd3 (6.de5!? Ne4 7.Qd3-/+) 6...ed4 7.ed4 0-0 8.a3 Ba5 9.f3 c5! 10.Bb5? (10.dc5 Bc3 Double attack (10...Qe7 Decoy)) 10...Qb6 11.Qe2 (11.Kf2 a6 12.a4-+) 11...cd4 12.0-0-0 (12.Kd1 Bc3 13.Bc3 dc3-+) 12...dc3 13.Ba1 Nc6 14.Bc6 bc6 15.Qd3 (15.Rd3 Qc5 16.Bc3 Bc3-+) 15...Bf5 16.Qd4 c5 17.Qe3 Rfb8 18.Bc3 Qb1 19.Kd2 Qc2 20.Ke1 Bc3 21.Qc3 Qc3 22.Kf2 Rb2 23.Ne2 Re8 24.Rhe1 (24.Rd4 Qd4 25.Kf1 Rb1 26.Nc1 Rc1) 24...Qe3 25.Kf1 Re2 26.Re2 Qe2 27.Kg1 Qd1 28.Kf2 Qe1 0–1. vaingrecsky (2175) – pcmvr, net–chess.com, 2016.

4.Nc3 Bf5 5.e3+=.

4.Nd2 Bg7 5.Ngf3 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d4 0-0 5.Nbd2 d5).

4.Nf3 e6 5.a3= a5 (5...Bd7 6.Nc3=) 6.b5 Nbd7 (6...Bg7 7.e3=) 7.e3 Bg7 (7...Bd6 8.c4=) 8.Nbd2 0-0 9.c4 (9.Be2 c5=) 9...c6 (9...Ne4 10.Be2=) 10.c5 (10.Rc1 c5=) 10...Ne8 (10...e5=+) 11.b6 Nc5!-/+ 12.dc5 Bb2-+ 13.Rb1? Ba3 14.Qa4 Bc5 15.Bd3 Bb6 16.0-0 Bc7 17.Nb3 b5 18.Qa2. willow27 – Bazza3, ChessWorld.net, 2005.

4.Nf3 Bg7 5.Nc3=+.

3.d4 Bg7

4.c3 Nc6 5.Nf3= d5 6.Qa4 (6.e3 Bf5=) 6...0-0 7.b5 Nb8 8.e3 Ne4 (8...Bg4 9.Be2=) 9.Bd3 (9.c4 Be6=) 9...Bg4 (9...Bf5 10.Qc2=) 10.h3 (10.Nbd2 Nd2 11.Nd2 Nd7=) 10...Bf3 11.gf3 Ng5 (11...Nf6 12.c4=) 12.Ke2 (12.Nd2 Ne6=) 12...Qd6 (12...Nd7 13.h4 Ne6 14.h5=) 13.Nd2 Qf6 (13...c5 14.f4 Ne6 15.f5=) 14.h4 (14.c4 c6+=) 14...Ne6 15.Rag1 (15.h5 Nd7+=) 15...h5 16.Qc2 (16.f4 c5+=) 16...Nd7 (16...c5 17.c4 dc4 18.Qc4 cd4 19.Ne4+=) 17.e4 (better is 17.f4!?+=) 17...Nf4+= 18.Kf1 (18.Kd1 a6+=) 18...c6 (18...a6 19.ed5 Nd3 20.Qd3 ab5 21.Qb5 Ra2 22.Kg2-/+) 19.e5 (19.bc6 bc6 (19...Nd3?! 20.cb7 Rab8 21.Qd3=) 20.Nb3 e5-/+) 19...Qe6 20.a4 (20.bc6 Qc6 (20...Nd3?! 21.cb7 Rab8 22.Qd3=) 21.Ke1 Rac8-/+) 20...c5 21.Bc1? (21.Ke1!?-/+) 21...Rac8 (21...cd4 22.Nb3 Nd3 23.Nd4 Qe5 24.Qd3-+) 22.Nb1 cd4?? (better is 22...Nd3 23.Qd3 cd4-+) 23.Bf4= Ne5 (23...Be5? 24.Bg6 Bg7 25.Bh6 fg6 26.Rg6+-) 24.Kg2 (better is 24.Be5 Qe5 25.c4=) 24...Nd7?? (better is 24...Nd3!? 25.Qd3 dc3-/+) 25.a5 (better is 25.Re1!? Qb6 26.Re7+-) 25...f5 (25...dc3 26.Re1 Be5 27.Re2=) 26.Re1 (26.Bg5 A) 26...dc3? 27.Re1 Qd6 28.Be7+- (28.Re7?! Nc5+/-); B) 26...Qf7=) 26...Qf7 27.Bg5 Bf6 (27...e6 28.c4=) 28.f4 (28.Bf6 Qf6 29.Rc1 e6+=) 28...Bg5 (28...dc3 29.Rh3=) 29.fg5 (29.hg5 dc3 30.Be2 Rc5+=) 29...e5 (29...dc3 30.f4= (30.Nc3? d4-+)) 30.f3 (30.Qd2!? e4 31.Bc2=) 30...e4 (30...dc3 31.Rd1+= (31.Nc3? d4-+)) 31.fe4 (31.Be2 d3 32.Bd3 ed3 33.Qd3 Rfd8=) 31...de4 (31...fe4 32.Rhf1 Qe6 33.Qd1-/+) 32.Bf1+= d3 33.Qa4 (33.Qf2 Qc4-/+) 33...Qd5-/+ 34.Kh3 (34.Rh3 Rc5 35.a6 Rb5-/+) 34...Nc5 35.Qd4 (better is 35.Qb4 f4 36.Kh2-+) 35...Qe6?? (better is 35...Qd4!? 36.cd4 Ne6-+) 36.Kh2 (36.Bd3 f4 37.Kh2=) 36...Nb3?? (better is 36...Qa2 37.Kg1 Qa5-+) 37.Bd3?? (better is 37.Qd3! Na5 38.Qe3+=) 37...Nd4-+ 38.cd4 Qd6 39.Kh3 ed3 40.Nd2 Qd4 41.Rhg1 Qb4 (41...Qf2 42.Rd1 Rfe8 43.Ne4 Re4 44.Rg3 Rcc4 45.Rgd3 Rh4) 42.Nf3 Qa3 (better is 42...d2 43.Rb1 Qe4 44.Rb3-+) 43.Ra1 Qd6 44.Rgf1 Rc3 (44...Rc2 45.Rac1-+) 45.Nd2 Qd4 46.Rg1 Qe3 47.Rg3 Qd2 48.b6 Rc2 49.Rh1 f4 (49...f4 50.ba7 fg3 51.a8Q Qg2) 0–1. grahamtrue – princeflash, net–chess.com, 2017.

4.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.d4).

4.d5 d6 5.Nf3 Nbd7 6.e4 0-0 7.Nbd2 c6 8.Bc4 cd5 9.ed5 Nb6 10.0-0 Nbd5 11.Bd5 Nd5 12.Bg7 Kg7 13.Ne4 Be6 14.c4 Nc7 15.Qd4 Kg8 16.Neg5 Qd7 17.Qh4 h5 18.Qf4 Bf5 0–1. Benassi – Bellinger, corr 1983.

4.d5 e6 5.Nc3? (better is 5.de6 fe6 6.e3=) 5...Nd5-+ 6.Nd5? (better is 6.Qd2-+) 6...Bb2 7.Rb1 Bg7 (7...ed5?! 8.Rb2 Qf6 9.Rb1=+) 8.Nc7 (8.Rb3 ed5 9.Re3 Kf8 10.Qd5 Nc6-+) 8...Qc7 9.e4 (9.Nf3 Bc3 10.Nd2 d5-+) 9...Bc3 10.Ke2 Nc6 11.a3 Nd4 (11...d5 12.Qd3 Nd4 13.Kd1 de4 14.Qe4-+) 12.Ke3 f5 13.Nf3 (13.Ne2 Ne2 14.Qe2 Qb6 15.Kf4 fe4 16.Kg4-+) 13...f4 14.Kd3 d5 15.ed5 (15.Nd2 Bd7 16.b5 Bb5 17.Rb5 Nb5 18.Ke2-+) 15...ed5 16.Qe1 Be1 17.Re1 Ne6 18.Kd2 (18.Re2 0-0 19.Kd2 d4-+) 18...0-0 19.c3 (19.h4 Qb6-+) 19...a5 20.b5 Nc5 21.Ng5 Bf5 (22.Kd1 Nb3-+) 0–1. Bell,Alexander – Teske,Carsten, compuserve, 1997.

4.e3 0-0=.

4.d5 0-0

5.c4 d6 6.Nd2 a5 7.b5 c6 (7...e6 8.de6 fe6 9.Ngf3+=) 8.dc6 bc6 9.a4 Qb6 10.e3 Ne4?? (better is 10...Nbd7=) 11.Bg7+- (11.Ne4?! Bb2 12.Rb1 Bg7=) 11...Nd2 12.Bf8 (12.Kd2?! Kg7 13.Ke1 c5=; worse is 12.Qd2 Kg7 13.Qd4 Qd4 14.ed4 cb5 15.cb5 Nd7+=) 12...Nf1 13.Be7 (better is 13.Bh6+-) 13...Ne3 14.fe3 (14.Qd3 Ng2 15.Kf1 cb5 16.Qd6 Qd6 17.Bd6 Bb7 18.ab5 Ne3 19.fe3 Bh1 20.Bb8 Rb8 21.Ra5 Rc8+-) 14...Qe3 15.Qe2?? (better is 15.Ne2 Qe7 16.0-0+-) 15...Qc3-/+ 16.Kf2 Qa1 17.Bd6? (better is 17.Qe3 Nd7 18.Bd6-/+) 17...Qd4-+ 18.Qe3 Qd6 19.c5 (19.Qe8 Qf8 20.Qf8 Kf8-+) 19...Qf6 20.Qf3?? (20.Nf3 Nd7 21.Rd1 Qf5 22.bc6 Nf6 23.Rd8 Kg7-+) 20...Qf3 (better is 20...Qh4 21.Qg3 Qa4-+) 21.Nf3 cb5 22.ab5 Nd7 23.c6 Nb6 24.Nd4 (24.Ke3 Be6-+) 24...a4 25.Ra1 (25.Nc2 a3-+) 25...a3 26.c7 (26.Ke3-+) 26...Nd5 27.Nc6 Bd7 (27...Kf8 28.h3-+) 28.h3 (28.Nb8 Be6 (28...Nc7?! 29.Nd7 Nb5 30.Nb6-+) 29.Na6 a2-+) 28...Bc6 29.bc6 Nc7 30.g4 (30.Ke3 Kf8 31.Kd4 Ke7-+) 30...a2 31.h4 (31.Ke3 f5-+) 31...Kf8 (31...Nd5 32.Ke2-+) 32.h5 (32.Ke2 Nd5-+) 32...Ke7 (32...gh5 33.gh5 Ke7 34.Ke3-+) 33.Ke2 (33.hg6 hg6 34.Ke3 Nd5 35.Kd2 Ra3-+) 33...Kd6 (33...gh5 34.gh5 Nd5 35.Kd3-+) 34.Ke3 (34.hg6 fg6 35.Kd2 Nd5-+) 34...Kc6 (34...gh5 35.gh5 f5 36.h6-+) 35.hg6 hg6 36.Ke4 Nb5 (36...Nd5 37.Kd3-+) 37.Ke5 (37.Kd3 Ra3 38.Kc2 f5 39.gf5 gf5-+) 37...Kc5 38.Kf6 Ra7 39.g5 Nd4 40.Ke5 (40.Kg7 Kd5-+) 40...Nb3 (40...Nb3 41.Ra2 Ra2-+) 0–1. pillsbury – vitorcosta, net–chess.com, 2018.

5.g3 d6 6.Nf3 c5 7.b5 (better is 7.bc5!? dc5 8.c4+=) 7...Qa5-/+ 8.Bc3 Qb5 9.Na3 (9.Bg2!?-+) 9...Qa4 10.Qc1 Nd5 11.Bg7 Kg7 12.c4 Nb4 13.Bg2? (13.Qb2 Kg8 14.Rc1-+) 13…Qa3! (13...Qa3 14.Qa3 Nc2 15.Kf1 Na3-+) 0–1. Lubtschenko,Wally (1680) – Khan,N (1770), Perth Metro CC–chB, 2006. (=1.d4 Nf6 2.b4 g6 3.Bb2 Bg7)

5.g4 c6 6.g5 Nd5 7.Bg7 Kg7 8.e4 Nc7 9.Qd4 (9.Nc3 a5 10.Nf3 d6 11.ba5 Bg4-+) 9...f6-+ 10.h4 (10.Nf3 Ne6 11.Qb2 a5-+) 10...e5 (10...d5 11.gf6 ef6 12.Nc3-+) 11.Qd2 (11.Qd6 Ne8 12.gf6 Qf6 13.Qf6 Nf6 14.Nd2-+) 11...d5 12.h5 fg5 13.hg6 h6 (13...hg6 14.Bg2-+) 14.ed5 (14.Bg2 Qf6-+) 14...Qf6 (better 14...Qd5 15.f3 Qd2 (15...Kg6?! 16.Qh2 Rh8 17.Nd2-/+) 16.Nd2 Bf5-+) 15.Bd3?? (better 15.d6 Nd5 16.Bc4-+) 15...Nd5 (better 15...e4 16.Be4 Qa1 17.Qc3 Qc3 18.Nc3 cd5 19.Bd5 Nd5 20.Nd5-+) 16.Nc3 (16.c3-+) 16...e4 17.Ne4 (17.Rb1 Nc3 18.Rb3 ed3 19.Qc3 dc2 20.Qc2 Na6-+) 17...Qa1 18.Ke2 (18.Qd1 Qd1 19.Kd1 Nb4-+) 18...Nf4 (better 18...Bg4 19.f3 Bf3 20.Nf3 Qh1 21.Neg5 hg5 22.Be4-+) 19.Kf3 (19.Ke3 Re8 20.f3-+) 19...Nd3 20.Kg2 Nf4 (better 20...Ne1 21.Kh2 Rf4 22.Qe3-+) 21.Kh2 Bf5 (better 21...Qf1 22.Qc3 Kg6 23.Qg3-+) 22.Nf3 Qh1! 23.Kh1 Be4 24.Qd4 Kg6 (better 24...Rf6 25.Qe4 Ng6 26.Qd4-+) 25.Qe4 Kg7 26.Ne5 (26.Qd4 Rf6 27.Ne5 Nd5-+) 26...Na6 27.Nd7 Rf7 28.Qe5 Kg6 (28...Kh7 29.Qd6-+) 29.Qd4?? (better 29.Qe4 Rf5 30.Ne5 Kf6 31.Nd7 Kg6 32.Ne5 Kf6 33.Nd7 Kg6=) 29...Nc7 (better 29...Kf5 30.Qe5 Kg4 31.Nf6 Rf6 32.Qf6 Re8-+) 30.Ne5+/- Kg7 (30...Kh7!? 31.Nf7 Ncd5+-) 31.Nf7+- Kf7 32.Qd7 Kf6 (32...Kg6 33.Qc7 Re8 34.Qb7+-) 33.Qc7 Re8 34.Qb7 Re1 35.Kh2 Re2 (35...Kf5 36.Qc6 Kg4 37.Qd7 (37.Qh6?! Re2+-) 37...Kf3 38.Qa7+-) 36.Qc6 Kf5 (36...Ne6 37.Qc3 Kf7 38.Kg2+-) 37.Qc5 (better 37.Kg3 h5 38.Qc5 Kf6 39.b5+-) 37...Re5?? (37...Kg4 38.Qa7 Kf3 39.Qa3 Kf2 40.Qg3 Kf1 41.Kh1 Rc2+-) 38.Qa7 Re1 (38...Ne6 39.Qf7 Ke4 40.b5+-) 39.Qc5 (better 39.b5 Re2 40.Qc5 Kg4+-) 39...Kg4 (39...Re5 40.Qc8 Ne6 41.Qc4+-) 40.Qc8 (better 40.b5 Kh4+-) 40...Kf3 (40...Kh4 41.b5 Re2+-) 41.Qc6 (better 41.b5 Rf1 42.Qc6 Kf2 43.b6+-) 41...Re4?? (better 41...Kf2 42.Qh6 Re2+=) 42.Qe4 (better 42.b5 g4 43.b6 Kf2 44.Qe4 g3 45.Kh1 g2 46.Qg2 Ng2 47.b7+-) 42...Ke4-/+ 43.b5?? (better 43.Kg3-/+) 43...Kf3-+ 44.b6 Kf2 45.b7 (45.a4 g4 46.b7 g3 47.Kh1 g2 48.Kh2 g1Q) 45...g4 46.b8Q (46.Kh1 g3 47.b8Q g2 48.Kh2 g1Q) 46…g3 (46...g3 47.Kh1 g2 48.Kh2 g1Q) 0-1. CaissaSoeze (2585) - Lance5500 (2650), lichess.org, 2016. (=1.d4 Nf6 2.b4 g6 3.Bb2)

4.Nf3

4.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d4).

4.Nf3 0-0 5.e3 d6 6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4).

3.e3 d5

4.a4 Bg7 5.c4 dc4 6.Bc4 0-0 7.Nf3 b6 8.b5 a6 9.0-0 ab5 10.ab5 Bb7 (10...Ra1 11.Ba1 c6 12.Bf6 Bf6 13.d4+=) 11.Qb3 (11.Ra8 Ba8 12.d4 Bd5 13.Bd5 Nd5+=) 11...e6 (11...Ra1 12.Ba1 Bf3 13.gf3=) 12.d3 (12.Ra8 Ba8 13.Ne5 Ne8+=) 12...Nbd7 (12...Ra1!? 13.Ba1 Bf3 14.gf3 c5=) 13.Nbd2+= Nc5 (13...c5 14.bc6 Bc6 15.Ra8 Qa8 16.Bd4+=) 14.Qc2 Qd6 (14...c6 15.Ra8 Ba8 16.Rc1+-) 15.h3 (better 15.Ba3!?+-) 15...Rfd8 Increases the pressure on d3 16.Ra8 Ra8 17.e4 (better 17.Rc1+=) 17...Nfd7? (better 17...Qd8+=) 18.Bg7+- Kg7 19.Qc3?? (better 19.d4 Na4 20.Bb3+-) 19...Kg8 (19...e5 20.d4 ed4 21.Nd4=) 20.e5 Qe7 (20...Na4 21.Qa1 Qb4 22.Qd4+=) 21.d4 Ne4 22.Ne4 Be4 23.Re1 (23.Qe3 Bb7+=) 23...Bb7 (23...Ra3 24.Bb3 Bf3 A) worse 25.Qf3 Qb4 26.Re3 Qd4-+ (26...Qb5?! 27.Kh2 Ra7 28.Qf4=+); B) 25.gf3=) 24.Qb3 (better 24.Be2+=) 24...Ra3=+ 25.Qb2 (25.Qd1 Bf3 26.gf3 Qg5 27.Kh1 Qf5=+) 25...Bf3-/+ 26.gf3 Qg5 27.Kh1 Rf3 The mate threat is Rxh3 28.Bf1 Qh4 29.Re3?? (better 29.Kg1-/+) 29...Rf2-+ (29...Qf2?! 30.Qf2 Rf2 31.Be2-+) 30.Qc1 Qf4 (worse 30...Qd4 31.Bg2-+) 31.Re1 (31.Bg2 Re2! 32.Rc3-+) 31…Qh2 0–1. retiponziani (1790) – claymil (1995), ChessWorld.net, 2014.

4.b5 c6 5.a4 Bg7 6.Nf3 0-0 7.Be2 Ne4 8.d4 (8.Bg7 Kg7 9.0-0 Qa5+=) 8...Bf5 9.0-0 Nd7 10.Nh4 e6 (10...Be6 11.Nc3=) 11.Nf5+= ef5 12.Nd2 Ndf6 13.c4 Re8 14.Bd3 Ng4 15.Ne4 de4 16.Be2 Nf6 17.Qb3 Re7 18.Ba3 Rd7 19.Rab1 Qc7 20.Bb4 cb5 21.ab5 b6 22.c5 Nd5 23.c6 Rdd8 24.Rfc1 Nb4 25.Qb4 Rd5 26.g3 Bf8 27.Qc3 a6 (27...h6!?+/-) 28.ba6+- Ra5 29.Ra1 Ra1 30.Ra1 Bd6 31.Rb1 h5 32.d5 Be5 33.Qb4 Kg7? (better 33...Rb8+-) 34.Qb6 Qb6 (34...Qd6 35.Qb7 Qf8 36.a7+-) 35.Rb6 Bd6 36.Rb7 Ra6 (36...Kf6+-) 37.Ba6 (37.Ba6 Kf6 38.c7 Bc7 39.Rc7+-) 1-0. DEFFM – GuestWCDN, freechess.org, 2021.

4.Bb5 c6 5.Ba4 Bg7+= 6.h3 0-0 7.Nf3 b5 8.Bb3 Qd6 9.a3 Ne4 10.Bg7= Kg7 11.d3 Nf6 12.Ng5? h6?? 13.Nf3= Be6 14.d4 Ne4 15.0-0 Ng3?? 16.fg3+- Qg3 17.Qe1 Qd6 18.Ne5 f6 19.Nc3?? fe5= 20.Rf8 Kf8 21.Qf2 Bf5 22.Rd1 Nd7?? 23.e4+- de4? 24.Ne4 Qc7 25.de5?? Ne5? 26.g4+- Qb6 27.Nc5 Kg7 28.gf5 Rf8 29.Ne6 (29.Ne6 Kg8 30.Qb6 ab6 31.fg6+-) 1–0. featers – markbp, net–chess.com, 2001.

4.Bb5 Bd7 5.Bd7 Nbd7=.

4.c4 c6 5.Nf3 Bg7 6.Nc3 0-0 7.d4 Bf5 8.Qb3 e6 9.Be2 Nbd7 10.0-0 Ne4 11.b5 Qa5 12.cd5 cd5 13.Ne4 Be4 14.Bc3 Qd8 15.Rac1 g5 16.Qa3 Re8 17.Ba5 b6 18.Bb4 e5 19.Rfd1 g4 20.Ne5 Ne5 21.de5 Qh4 22.g3 Qh5 23.Bd6 Be5 24.Rc7 Re6 25.Be5 Qh2 0–1. Melich – Vacek, 1997.

4.d4 Bg7 (--> 3.e3 Bg7 4.d4 d5).

4.Nf3 Bf5 5.h3 (5.Bb5 c6 6.Be2 Qd6=) 5...Be4 (5...Qd6 6.a3 Bg7 7.Be5=) 6.c4 (6.Nc3 Bg7=) 6...Nc6 7.a3 a6 (7...dc4 8.Bc4 Bd3 9.Bd3 Qd3 10.Qe2 Qe2 11.Ke2+=) 8.Nc3 (8.d3 Bf3 9.Qf3 dc4+=) 8...Bf3= 9.Qf3 d4 10.Ne2?? (better is 10.Nd1 de3 11.de3+=) 10...d3 (10...Ne5 11.Qb7 Nd3 12.Kd1 Bg7 (12...Nb2?! 13.Kc2-/+) 13.Bd4 e5 14.Be5 Nf2 15.Kc2 Nh1 16.Qc6 Kf8 17.Bc7 Qe8 18.Bd6 Kg8-/+) 11.Nd4+/- Ne5 12.Qb7 Nc4? (12...Rb8 13.Qa6 Rb6 14.Qa4 Nfd7+-) 13.Qc6 Qd7 (13...Nd7 14.Qc4 Ne5+-) 14.Qa8 Qd8 15.Qc6 Qd7 16.Qc4 Bg7 (16...a5 17.Nc6 Bg7 18.Ne5+-) 17.Qc6 (17.Qa6 0-0+-) 17...0-0 (17...e5 18.Qa8 Ke7 19.Nc6 Ke6 20.Qa6+-) 18.Qd7 (better is 18.Bd3!? a5+-) 18...Nd7 19.Bd3 Ne5 (19...c5 20.bc5 Nc5 21.Bc4+-) 20.Ba6 c6 21.Rc1 (21.Ke2 Rb8 22.Rhc1 Rb6+-) 21...e6 22.Nc6 (22.f4 Nd7+-) 22...Nc6 23.Rc6 (better is 23.Bg7 Kg7 24.Rc6 e5+-) 23...Bb2 24.a4 Rd8 25.Rc1 (25...Bc1 26.d3+-; better is 25.a5+-) 1–0. Chick,S – Cook,A, corr GBR, 1997.

4.Nf3 Bg4 5.Be2 Bf3 6.Bf3 e6 7.b5 Bg7 8.0-0 0-0 9.d4 c6 10.a4 cb5 11.ab5 Qb6 12.Be2 a6 13.c4 dc4 14.Bc4 ab5 15.Ra8 bc4 16.Ba3 Rd8 17.Bc5 Qb3 18.Qc1 Na6 19.Rd8 1–0. Orang4Utan (1805) – T_Boss_T (1945), lichess.org, 2020.

4.a3 Bg7

5.c4 c6 6.Nf3 0-0 7.d4 Nbd7 8.c5 Qc7 9.Bd3 Re8 10.b5 e5 11.de5 Ng4 12.bc6 bc6 13.0-0 (13.Qc2 Nge5 14.Ne5 Be5-/+) 13...Nge5 14.Ne5 Ne5 15.Nd2?? (better is 15.Bd4=+) 15...Nd3 16.Bg7 Kg7 17.Nf3 (17.Qc2 Ba6 18.Rfd1-+) 17...Bg4 (17...Ba6 18.Qd2-+) 18.h3?? (better is 18.Qd3 Bf3 19.gf3=+) 18...Bf3-+ 19.gf3 Ne5 20.f4 Nc4 21.Kh2 Re3 (better is 21...f6-+) 22.fe3=+ f6 23.Qd4 Re8 24.Rf3 Re4 25.Qd3 g5 (25...Ne5 26.fe5 Qe5 27.Kg2 Qb2 28.Rf2 Qa1-+) 26.Rg1 h6 27.h4 Kf7 28.hg5 hg5 29.Rg4 (29.Rh3 Ke6 30.Kh1 gf4=) 29...gf4 (better is 29...Qa5 30.Rg2 Qe1=) 30.Rgf4?? (better is 30.ef4 Qa5 31.Rh3 Qd2 32.Qd2 Nd2 33.Rh7 Ke6 34.Ra7=) 30...Ne5-+ 31.Rf6?? (better is 31.Qd1 Nf3 32.Qf3-+) 31...Ke7 32.Qf1 (32.R3f4 Nd3 33.Rf7 Kd8 34.Rc7 Kc7 35.Re4 de4 36.Kg3-+) 32...Ng4 33.Kh3 Qh2 0–1. slavisa11 – Reality, Live Game Caissa's Web, 2004.

5.Nf3 0-0 6.d4 Nbd7 7.c4 dc4 8.Bc4 b6 (8...Nb6!? 9.Bd3 Nbd5=) 9.Nbd2 Bb7 10.0-0 c5 11.dc5 bc5 12.bc5 Nc5 13.Qe2 Nce4 14.Ne4 Ne4?? (14...Be4 15.Rfd1 Qa5 16.Nd2+=) 15.Rfd1 (better is 15.Bg7 Kg7 16.Qb2 Nf6 17.Qb7+-) 15...Qc7 (15...Qb6 16.Rab1 Bb2 17.Rb2+/-) 16.Bg7 Kg7 17.Bd3 (better is 17.Rdc1!? Nc5 18.Rc3+=) 17...Nc3=+ 18.Qb2 Kg8 19.Rdc1 Rac8 20.Rab1 Bf3-/+ 21.gf3 Qa5 22.h4? Nb1-+ 23.Rb1 Qc3 24.Qe2 Qa3 25.h5 Qd6 26.hg6 fg6 27.f4 Qf6 28.Qg4 Rcd8 29.Be2 Qf5 30.Bc4 Kg7 31.Qh4?? Qf6 32.Qh3 e5?? 33.Kg2 ef4 34.Rh1 h5 35.ef4 Qf4 36.f3 Rd2 37.Kf1 Rd1 38.Kf2 Rh1 39.Qd7 Kh6 40.Bd3 Qf3 0–1. Slavisa2 – Schnick, Live Game Caissa's Web, 2004.

4.b5 Bg7

(--> 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.b5 d5).

4.c4 dc4

5.Bc4 Bg7

6.d4 c6 7.Nf3 0-0 8.0-0 Nbd7 9.Nc3 Nb6 10.Bd3 Nbd5 11.Nd5 Nd5 12.a3 Bg4 13.h3 Bf3 14.Qf3 (< 14.gf3 e6=+) 14...Qd7 15.Rac1 Rac8 (15...Rfd8 16.Rfd1+=) 16.Rc2 Rc7 (16...Rcd8 17.Rd1+=) 17.Rfc1+/- Rfc8 18.Bc4 e6 19.Qe2 (19.Bd3 Nb6+=) 19...Qe7 ½–½. Jozwik,A (1605) – Gorska,N (1740), Poland–chT2 U18 Girls, 1996.

6.d4 Nbd7 7.Nf3 Nb6 8.Bd3=.

6.Nf3 Nc6 7.b5 Na5 8.Be2=.

6.Qb3 0-0

7.Nf3 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Nbd7 11.d4 (11.Ne5 Qe8=) 11...Nb6 12.Be2 (12.Nc3 Nc4 13.Qc4 Qd6=) 12...Be6 13.Qc2 Bf5 14.Qb3 Qd5 15.Nbd2 (15.Qb2 Qd6=+) 15...Qb3 16.Nb3 Nfd5 17.b5 Nb4 (17...Ra8 18.Nfd2 Ra2 19.g4=+) 18.0-0 Nc2 19.Nc5 Na1 (better 19...Ra8!? 20.Bc3 Ra2=) 20.Ra1+/- Nd5 (20...Rb8 21.Ra7+/-) 21.Nb7 Nc3 22.Bf1 Rb8 23.Ra7 Be4 24.Nc5 Bf3 (24...Nb5!? 25.Bb5 Rb5+/-) 25.gf3+- Nb5 (better 25...Bf8+-) 26.Bb5 Rb5 (26...Bd4 27.ed4 Rb5 28.Rc7 Rb4+-) 27.Rc7 (better 27.Ra8 Bf8 28.Nd7+-) 27...Bf6+/- 28.Ne4 Rb1 (28...Bh4 29.Kg2+/-) 29.Kg2+- Kg7 30.Rc6 Rb2 31.Nf6 ef6 32.e4 Rd2 33.d5 f5 34.Kg3 fe4 (34...g5 35.Rd6+/-) 35.fe4+- h5 36.f3 (36.h4 Rd1+-) 36...f6 (36...g5 37.h4 f6 38.Rd6+-) 37.h4 (better 37.Rc7 Kf8 38.h3+-) 37...Kh6? (better 37...g5+-) 38.Rf6 Rd3 (38...Kg7 39.Re6+-) 39.Re6 1-0. ClayPigeons (2095) - raammalladi (2100), Rated Bullet game, lichess.org, 2020.

7.Nf3 a5 8.Ne5 e6 (8...Qe8 9.b5=+) 9.b5= Nbd7 10.Nd7 Bd7 11.a4 (11.Nc3 Ng4=) 11...c5 (11...Ne4 12.Bg7 Kg7 13.0-0=) 12.d3 (12.0-0 b6=) 12...b6 (12...Ng4 13.0-0=) 13.Nd2 Qc7 (13...Bc8 14.0-0=) 14.Nf3 Rad8 (14...Bc8 15.Be5 Qe7 16.Qc3=) 15.0-0 (15.Be5 Qb7+=) 15...Bc8= 16.Be5 Qe7 17.Qb2 Bb7 18.Nd2 (18.e4 Rc8=) 18...Rd7 (18...Nh5 19.Ne4=) 19.d4 (19.f3 Ne8 20.Bg7 Ng7=) 19...Rfd8 (19...cd4 20.Bd4 Rfd8 21.Nb3=+) 20.Nb3= cd4 21.Bd4 (21.Nd4 Qb4 22.Qb4 ab4=) 21...Ne8 (21...Qb4 22.Rfc1 Rd4 23.ed4=+) 22.Rfc1 (22.Rac1 Rd6=+) 22...Bd4 (22...Rd6 23.Qe2=+) 23.Nd4 (worse 23.ed4 Nd6-+) 23...Qf6 24.Qb3 (24.Be2 Nd6 25.Rab1 Ne4=+) 24...Nd6 (24...Rc7 25.Bf1=+) 25.Nc6 (better 25.Bd3=+) 25...Ne4 (25...Rc8 26.Qd3-/+) 26.f3?? (better 26.Qc2 Nd2 27.Rd1+-) 26...Rd2 (26...Nc5 27.Qa3 Rd2 28.Bf1-/+ (28.Nd8 Rg2 29.Kh1 Bf3 30.Bf1 Rg4 31.Bg2 Bg2 32.Kg1 Bd5)) 27.Bf1 (27.Nd8?? Ng5 28.Be2 Re2-+) 27...Nc5 28.Qc3 Qh4 29.Nd8? (better 29.e4 Qf2 30.Kh1=+) 29...Qf2-+ 30.Kh1 Bf3 31.Qd2 Qd2 32.gf3 Qd8 33.Rd1 (33.Ra3 Qf6 34.e4 Kg7-+) 33...Qf6 34.Be2 (34.Bg2 Qb2-+) 34...Kg7 (34...Qe5 35.Rg1-+) 35.Ra2 (35.Kg2 Qg5 36.Kf2 Qh4 37.Kg2 Na4-+) 35...Qe5 (35...Qc3 36.e4-+) 36.e4 h5 (36...Qc3 37.Rg1-+) 37.Rdd2 (37.Bf1 Qc3 38.Bg2 g5-+) 37...h4 38.Bd1 (38.Rdc2-+) 38...h3 39.Rf2 f5 40.ef5 (40.Rf1 fe4 41.fe4 Ne4 42.Bf3-+) 40…Qe1 (40...Qe1 41.Rf1 Qf1) 0–1. Dymond,MJ – Paige, London, 1967.

7.Nf3 a6 8.Ng5 (better 8.Ne5 Qe8 9.d4=) 8...b5?? (better 8...e6=) 9.Bf7+- Rf7? (9...Kh8 10.Be6 a5 11.ba5 Na6+-) 10.Qf7 (10.Nf7?! Qd5 11.Ne5 Qb3 12.ab3 Nd5+-) 10...Kh8 11.Ne6 (better 11.Qg6! Qd5 12.e4 hg6 13.ed5 Nd5 14.Bg7 Kg7+-) 11...Be6 12.Qe6 Qd7 13.Qd7 Nbd7 14.d4 Nd5 15.a3 a5 (15...N7b6 16.Nd2+-) 16.ba5 (16.Nc3 e6+-) 16...Ra5 17.Nc3 Nc3 (17...N5b6 18.0-0-0+-) 18.Bc3 Ra4 19.Bb4 (19.Ke2 Nb6+-) 19...e5 (better 19...c5 20.Bc3 cd4 21.Bd4 Bd4 22.ed4 b4+-) 20.Rc1 Ra7 21.de5 Ne5 22.Ke2 Nc4 23.Rhd1 Bb2 24.Bc3 (24.Rc2 Ba3 25.Ra1 c5 26.Ba3 Na3 27.Rc5 Kg7+-) 24...Bc3 25.Rc3 Kg7 (25...c6 26.Rd8 Kg7 27.Rc8+-) 26.Rd7 Kf6 (26...Kg8+-) 27.Kf3 (better 27.Rh7 g5+-) 27...h5?? (better 27...Ne5 28.Ke4 Nd7-+) 28.h4?? (better 28.Rh7+-) 28…Ne5-+ (28...Ne5 29.Ke4 Nd7-+) 0-1. ClayPigeons (2185) - imzchessacademy2020 (2170), Rated Blitz game, lichess.org, 2020.

7.Nf3 c6 8.0-0 (8.d4 b5 9.Bd3 a5=) 8...Nbd7 (8...b5 9.Be2=) 9.Nc3 (9.Ng5 Qe8=) 9...Nb6 10.Be2 Be6 11.Qc2 Rc8 (11...Qd6 12.a3=) 12.d4 Nc4 (12...Nbd5 13.Qa4=) 13.Nd2 (13.Bc1 Nd6+=) 13...Nb2 (13...Bf5 14.Qc1 Nd2 15.Qd2=) 14.Qb2 Nd5 (14...Bf5 15.e4 Bg4 16.Nb3=) 15.Nce4 Qb6 (15...b6 16.Rfc1=) 16.a3+= Bd7 (16...Bf5 17.Nc5+=) 17.Nc5 Rfd8 (17...Rcd8 18.Rad1+=) 18.Nc4 (18.Ndb3 e5+=) 18...Qc7 19.Rac1 (19.Ne5 Bf5=) 19...b6= 20.Na6 (20.Ne4 Bf5 21.Ng3 Be6+=) 20...Qb7 21.Nd2 (21.Ne5 Bf5=) 21...Re8 (21...e5 22.de5 Re8 23.f4=) 22.Ne4 (22.Nf3 Bf5=) 22...Bf5 (22...f5 23.Nc3=) 23.Ng3 Bd7 24.b5 (24.Rfe1 e5=) 24...cb5 (24...c5 25.Bf3 cd4 26.ed4=) 25.Bb5 Bb5 (25...f5 26.Bd7 Qd7 27.Nb4=) 26.Qb5 Red8 27.Ne2 (27.Nb4 Nb4 28.ab4 e5 29.Rc8 Qc8=) 27...Nc7 (27...e6 28.Nb4=) 28.Nc7 Rc7 29.Rc7 (29.a4 Rcd7=) 29...Qc7 30.Rc1 Qb7 (30...Qd6 31.Qa4 e5 32.Rd1=) 31.Qc6 (31.a4 Qb8+=) 31...Qc6= 32.Rc6 Rd7 (32...e5 33.Rc4=) 33.Kf1 (33.f4 f5+=) 33...Bf6 (33...f5 34.f4=) 34.Ke1 (34.Nf4 e6+=) 34...e6 35.Nc3 Kg7 (35...Be7 36.a4+=) 36.Ke2 Be7 37.Nb5 (37.a4 h5+=) 37...Kf6 38.Kd3 (38.e4 Kg5+=) 38...a6 39.Rc7 (39.Nc7 Ba3 40.Na6 Rb7+=) 39...Rc7 40.Nc7 Ba3 41.Na6 Bd6 42.g3 (42.h3 e5=) 42...Kg5 (42...e5 43.h3=) 43.h3+= h5 44.f4 Kf6 45.e4 Ba3 (45...Ke7 46.e5 Ba3 47.Nc7+=) 46.Nc7 White plans d5 (46.Nb8 b5+=) 46...Ke7 47.Nb5 Bb4 48.d5 (48.g4 hg4 49.hg4 f5 50.gf5 gf5=) 48...ed5= 49.ed5 f5 50.Ke2 Bc5 51.Kf3 Kd7 52.g4 fg4 (52...Ke7 53.Kg3=) 53.hg4 h4 54.f5 (54.g5 h3=) 54...gf5 55.gf5 Ke7 (55...Be7 56.Kf4=) 56.Kg4 Bf2 (56...Kf6 57.d6=) 57.d6 (57.Nc3 Be1 58.Ne4 Kd8+/-) 57...Kd7= 58.f6 (58.Na3 Bg3 59.Nb5 Bd6 60.Kh4 Be5=) 58...Ke6+= 59.Kg5 (59.Nc3!?+=) 59...h3-/+ 60.Kg6 (60.Nc7 Kd6 61.f7 Ke7-+) 60...h2 61.f7 h1Q 62.f8Q (62.Nc7 Kd7 63.f8Q Qg2 64.Kh5 Qh3 65.Kg6 Qg4 66.Kh7 Qh5 67.Kg8 Qg6 68.Qg7 Qg7 (68...Kd6?? 69.Qg6 Kc7 70.Qf7 Kc6 71.Qf3 Kc5 72.Qf2 Kb5 73.Qb2 Ka5 74.Qa3 Kb5 75.Kf7+-) 69.Kg7 Kd6 70.Nb5 Kc5-+) 62...Qe4 63.Kg7 Qe5 (63...Bd4 64.Nd4 Qd4 65.Kg6 Qd3 66.Kg5 Qg3 67.Kh5 Qd6 68.Qg8 Kd7 69.Qg4 Kc7 70.Qe2-+) 64.Kg6 Qe4 (64...Qb5?! 65.Qe7 Kd5 66.d7 Qd3 67.Kh5 Qh3 68.Kg6 Qd3 69.Kh5 Qf3 70.Kg6 Qd3=) 65.Kg7 Bd4 66.Kh6? (better is 66.Nd4 Qd4 67.Kg6 Qd3 68.Kg5 Qg3 69.Kh5 Qd6 70.Qg8 Kd7 71.Qf7 Kc6 72.Qe8 Kd5 73.Qa8 Ke5 74.Qe8 Kf5 75.Qf7 Ke4 76.Qc4 Qd4 77.Qe2 Qe3 78.Qc4 Ke5 79.Qc7 Kd5 80.Qd7 Kc5 81.Qf5 Kd4 82.Qf1-/+) 66...Qh4 67.Kg6 Qg4 (67...Qg3 68.Kh5 Qh3 69.Kg6 Qg2 70.Kh6 Qd2 71.Kg6 Qc2 72.Kh6 Qc1 73.Kh5 Qh1 74.Kg6 Qb1 75.Kh6 Be3 76.Kg7 Qb2 77.Kh7 Qh2 78.Kg8 Qg3 79.Qg7 Qg7 80.Kg7-/+) 68.Kh6? (68.Kh7 Qh5 69.Qh6 Qh6 70.Kh6 Be5-/+) 68...Be3?? (better is 68...Qh3 69.Kg6 Qg2 70.Kh7 Qc2 71.Kh6 Qd2 72.Kg6 Qd3 73.Kh6 A) 73...Qb5?? 74.Qe7 Kd5 75.d7 Be3 76.Kg7 (76.Qe3?! Qd7 77.Qb6 Qh3 78.Kg7 Qg4 79.Qg6 Qd4 80.Qf6 Qe4=) 76...Bd4 77.Kg8 Qd7 78.Qd7 Ke4 79.Kf7+-; B) 73...Be3 74.Kg7 Bd4 75.Kh6 B1) 75...Qb5 76.Qe7 Kd5 77.d7 Be3 78.Kg7 (78.Qe3?! Qd7 79.Qb6 Qh3 80.Kg7 Qg4 81.Kf7 Qf3 82.Qf6 Qh5 83.Ke7 Qe2 84.Kd7 Qb5 85.Kc7 Qc4 86.Kd8 Qd3=) 78...Bd4 79.Kg8+-; B2) 75...Qe3 76.Kh7 Qe4 77.Kh6 Qh1 78.Kg6 Qb1 79.Kh6 B21) 79...Qb5?? 80.Qe7 Kd5 81.d7 Be3 82.Kg7 (82.Qe3?! Qd7 83.Qb6 Qh3 84.Kg7 Qg4 85.Kf7 Qf3 86.Qf6 Qe3=) 82...Bd4 83.Kg8+-; B22) 79...Be3 80.Kg7 Qb2 (80...Qb5 81.Qe7 Kf5 82.Qe3 Qb2 83.Kg8 Qa2 84.Kf8=) 81.Kh7 Qh2 (81...Qb5?! 82.Qe7 Kd5 83.d7 Qd3 84.Kg7 Bd4 85.Kh6 Qh3 86.Kg6 Qd3 87.Kh6 Be3 88.Kg7 Bd4 89.Kh6=) 82.Kg8 Qg2 83.Qg7 Qg7 84.Kg7 Bf4-/+) 69.Kh7-/+ Qh5 70.Kg8 Qg6 (70...Qb5 71.Qe7 Kf5 72.Qe3 Qd5 73.Kg7 Qd6 74.Qf3 Ke5 75.Qe2 Kd4 76.Qd2 Kc5 77.Qc2 Kb5 78.Qb3 Kc6 79.Qf3 Qd5 80.Qf6 Kc7 81.Qf4 Qd6 82.Qc4 Qc6 83.Qf4 Kb7 84.Qd4-+) 71.Qg7 (71.Kh8 Qh6 72.Qh6 Bh6-/+) 71...Qe8 (71...Qg7 72.Kg7 Bc5 73.d7 Kd7 74.Kf6-/+) 72.Qf8 (better is 72.Kh7 Qh5 73.Kg8 Qb5 74.Qe7 Kf5 75.Qe3 Qd5 76.Kg7 Qd6 77.Qf3 Ke6 78.Qg4 Kd5 79.Qg2 Kc4 80.Qc2 Kb5 81.Qb3 Kc6 82.Qc4 Qc5 83.Qe4 Kc7 84.Qf4 Kb7 85.Qe4 Qc6 86.Qd4-+) 72...Qg6 (72...Qf8 73.Kf8 Bc5 74.Kg7-/+) 73.Qg7 Qe8 74.Qf8 Qg6 (74...Qf8 75.Kf8 Bc5 76.Kg7 Bd6 77.Kg6-/+) 75.Qg7 Qe8 (better is 75...Qg7 76.Kg7 Bc5-/+) 76.Qf8= ½–½. jaddwarrior (2085) – Veresov (1940), ChessWorld.net, 2017.

7.Nf3 Nbd7 8.Na3 c5 9.b5 Nb6 10.Rc1 Nc4 11.Nc4 Be6 12.Qc3 Qd5 13.0-0 Qc4 14.Qc4 Bc4 15.Rc4 b6 16.Rd1 Rfd8 17.Kf1 a6 18.ba6 Ra6 19.a4 Rd3 20.Bc3 Nd5 21.Ke2 Rc3 22.dc3 Nc3 23.Ke1 Nd1 24.Kd1 Kf8 25.Kc2 e6 26.Kb3 Ke7 27.Rc2 Ra7 28.Rd2 h6 29.h3 Ra5 30.Rd3 e5 31.Rd5 c4 32.Kc4 Ra4 33.Kb5 Ra2 34.Rd2 Rd2 35.Nd2 f5 36.Kb6 Kd6 37.Kb5 Kd5 38.Nf3 g5 39.Kb4 e4 40.Ne1 f4 41.Kb3 Be5 42.Kc2 fe3 43.fe3 Bg3 44.Kd2 Be1 45.Ke1 Kc4 46.Kd2 Kb3 47.g3 h5 48.g4 h4 49.Kd1 Kc3 50.Ke1 Kd3 51.Kf2 Kd2 52.Kf1 Ke3 53.Kg2 Kd2 (54.Kf1 e3 55.Kg2 e2 56.Kf2 e1Q 57.Kg2 Qg3 58.Kf1 Qh3 59.Kg1 Qg4 60.Kh2 h3 61.Kh1 Qg2#) 0–1. Chirpii,Alexandru (1650) – Badau,Iancu Daniel (1800), Centrocoop Sept op–A, 1998.

7.Nf3 Bg4 8.Ne5+= e6 9.Ng4 Ng4 10.Bg7 Kg7 11.h3 Nf6 12.Be2 (12.d4 a5+=) 12...Nc6 13.d4 e5 (13...a6 14.Bf3+=) 14.de5 (14.b5 Nd4 15.ed4 Qd4+=) 14...Ne5 15.0-0 Qe7 16.Nc3 c6 17.Na4 (17.Rfd1 Rad8+=) 17...Rfd8 18.Rfd1 Nd5 19.a3 Kg8 20.Nc5 (20.Rac1+=) 20...Nb6 (20...a5!?=) 21.Rac1 (21.f4 Ned7 22.Nb7 Re8+/-) 21...Rd5 (21...Rd1 22.Rd1 Nd5 23.Qc2+=) 22.Qb2 (22.f4 Ned7 23.Nb7 Re8+/-) 22...Rad8 (22...a5!?+=) 23.Rd5+/- Rd5 (23...cd5 24.Nb7 Nec4 25.Bc4 Nc4 26.Qd4+-) 24.e4+- Rd8 25.Nb7! Nec4 (25...Qb7 26.Qe5 Deflection (26.Qe5 Overloading)) 26.Bc4 (26.Rc4?! Nc4 27.Bc4 Qb7=) 26...Nc4 27.Rc4 Rd1 28.Kh2 Qc7 29.g3 Qb7 30.Qc2 (better 30.Qf6+-) 30...Rf1? (30...Rd6 31.Qc3+-) 31.Rc6 (better 31.Kg2 Ra1 32.Rc6+-) 31...Rf2 32.Qf2 Qc6 33.Qe3 (33.e5!?+/-) 33...Qc2+= 34.Kg1 Qd1 35.Kg2 Qc2 36.Kf3 Qd1 37.Kf4 (37.Kf2 Qc2 38.Qe2 Qc3+=) 37...Qf1+= 38.Kg4 (38.Ke5 Qh3 39.Kd4 Qd7 40.Kc3 Qc7 41.Kd2 f6=) 38...Qd1 (38...f6 39.b5= (39.Qa7 h5 40.Kh4 Qe2 41.Qa8 Kg7 42.Qb7 Kh6 43.Qh7 Kh7 44.e5 g5)) 39.Kf4 Qf1 40.Qf3 Qc1 (40...Qh3 41.Ke3+=) 41.Kg4 (41.Ke5 Qc7 42.Kd4 Qd7 43.Ke3 Qh3+=) 41...Kg7 (better 41...Qc8 42.Kg5 Qd8 43.Kf4 Qf6 44.Ke3 Qb2=) 42.e5?? (42.h4 h5 43.Kh3 Qc8 44.Kg2 Qc2 45.Kf1 Qc1 46.Kf2 Qb2 47.Kg1 Qc1 48.Kh2 Qc2 49.Qg2 Qc3+=) 42...h5 (42...Qc4 43.Qf4 Qe2 44.Qf3 h5 45.Kf4 g5 46.Kf5 Qf3 47.Kg5 f6 48.ef6 Qf6 49.Kh5 Qf5 50.Kh4 Kg6 51.g4 Qf2) 43.Kh4= Qc4 (better 43...f5 44.Qf4 Qd1=) 44.Qf4 Qc2 45.Qf6 (45.Kg5!? Qd3 46.Qf6 Kg8 47.Kh6 Qe3 48.Qg5+-) 45...Kg8+/- 46.e6 (better 46.Qf3+/-) 46...Qc4?? (better 46...Qe4 47.Kg5 Qe3 48.Qf4 Qe6=) 47.g4 (47.Kg5 fe6 48.Kh6 Qc1 49.Kg6 Qc2 50.Kh5 Qh7 51.Qh6 Qd7+-) 47...Qe6 48.Qe6 fe6 49.gh5 gh5 50.Kh5 e5 (50...Kf7+-) 51.Kg5 Kf7 52.Kf5 e4 53.Ke4 Kf6 (53...Ke6 54.Kd4 Kd6 55.b5+-) 54.Kd4 Ke6 55.Kc5 Kf5 56.a4 Kf4 57.b5 Kg3 58.a5 White prepares b6 58...Kh4 59.b6 (better 59.a6+-) 59...Kh3 (59...ab6 60.ab6 Kh3+-) 60.ba7 Kg4 61.a8Q Kf4 (61...Kh5 62.Qf3 Kg6 63.a6 Kh6 64.a7 Kg6 65.a8Q Kg7 66.Qaf8 Kg6 67.Q3f5) 62.Qd5 Ke3 (62...Kg3 63.a6 Kf2 64.a7 Ke3 65.Qg2 Kf4 66.a8Q Ke5 67.Qad5 Kf4 68.Qgf3) 63.a6 Ke2 (63...Kf2 64.a7 Kg3 65.a8Q Kf4 66.Qf8 Kg4 67.Qff3 Kh4 68.Qd8) 64.a7 Ke3 65.a8Q (65.a8Q Kf4 66.Qf8 Kg4 67.Qff3 Kh4 68.Qd8) 1-0. ClayPigeons (2230) - Kampozky (2245), Rated Blitz game, lichess.org, 2020.

6.Nf3 0-0

7.0-0 a5 8.b5 c6 9.a4 cb5 10.ab5 b6 11.Nc3 Bb7 12.Na4 Nbd7 13.d4 e6 14.Qe2 Nd5 15.Rfc1 Rc8 16.g3 (16.Ba3 Re8+=) 16...Nb4= 17.Rd1?? (better 17.Ne5 Rc7 18.f4+=) 17...Rc4! 18.Qc4 Bf3 19.Rdc1 Qa8 (better 19...Re8-+) 20.Qc7?? (20.Ba3 Bh1 21.Qf1 Qb7-/+) 20...Rd8 (better 20...Bh1 21.d5 Qd5-+) 21.Nb6-/+ Nb6 22.Qb6 Bh1 23.Kf1 (23.e4 Qe4 24.Qd8 Bf8 25.Qf8 Kf8 26.Rc8 Ke7 27.f3 Qf3 28.Rc7 Kd8 29.Rc8 Kc8 30.Rc1 Kb8 31.Rc8 Kc8 32.d5 Qg2) 23...Qg2 (23...Nd3 24.Qa5 Qd5 25.Ke2 Nc1 26.Rc1-+) 24.Ke1 (24.Ke2 Qf3 25.Ke1 Nd3 26.Kd2 Qf2 27.Kd3 Be4 28.Kc4 Bf8-+) 24...Rf8 (better 24...Nd3 25.Kd2 Qf2 26.Kd3 Be4 27.Kc4 Bf8-+) 25.Rd1?? (25.Ra3 Qh2 26.Ke2 Qh5 27.Ke1-+) 25...Nc2 26.Ke2 Na1 (26...Qf3 27.Kf1 Bg2 28.Kg1-+) 27.Ba1 (27.Ra1 Qh2 28.Qa5 Be4-+) 27...Qe4 (better 27...Rc8 28.Qa5 Rc2 29.Qd2 Rd2 30.Rd2 Qe4-+) 28.Qa5 (28.Rc1-+) 28…Bf3 (28...Bf3 29.Kd2 Bd1 30.Kd1 Ra8 31.Qa8 Qa8-+) 0-1. jhonores (2205) - balotelli459 (2220), Rated Blitz game, lichess.org, 2020.

7.0-0 b6 8.Qb3 Bb7 9.d3 (9.Ne5 Qe8+=) 9...Bf3= 10.gf3 e6 11.Nd2 (11.Nc3 c6 12.d4 Nd5=) 11...Nc6 (11...a6 12.a4=) 12.Bb5 (12.Rfc1 a6=) 12...Ne7 13.Qc3 (13.Ne4 Ne4 14.de4 Bb2 15.Qb2 c6=) 13...Nf5 (better is 13...a6 14.Bc4 Nh5-/+) 14.Ne4?? (better is 14.Qb3=) 14...Ne4-+ 15.Qc2 Nh4 (better is 15...Qg5 16.Kh1 Nh4 17.Rg1-+) 16.fe4 (16.f4 Bb2 17.Qb2-+) 16...Qg5 (16...Qg5 17.Kh1 Qg2) 0–1. Goldmund,Heike – Archip,Laurentiu (1605), FICGS, 2017.

7.0-0 b6 8.d4 Bb7 9.Nbd2 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 Nc6 13.Bc3 Qd7 14.Rc1 Ra8 15.Qb2 Qg4 16.h3 Qh5 17.Qb3 e6 18.Be6?? (better 18.e4+=) 18...fe6-/+ 19.Qe6 Kh8 20.Bb2 (20.Ne4 Qd5 21.Neg5 h6-/+) 20...Re8 (20...Nb4 21.Rc7 Bd5 22.Qb6-/+) 21.Qb3-/+ g5 (21...Qb5 22.Qc4 Qb4 23.Qb4 Nb4 24.Rc7 Bf3 25.Nf3-/+) 22.Ne5 (22.d5!? Ne7 23.e4=) 22...Ne5-/+ 23.de5 Nd5 24.Nf3 g4 25.hg4 Qg4 26.Rc4 (26.b5 Ne7 27.Ne1 Rd8-/+) 26...Qg6 27.Nh4 Qb1?? (27...Qe6 28.Rd4 b5-+ (28...Qe5?! 29.Ng6 hg6 30.Rh4 Qh5 31.Rh5 gh5 32.Qd1=; worse 28...Be5 29.Re4 Qd6 30.Nf3+-)) 28.Rc1= Qe4 29.f3?? (better 29.Rc4 Qb1 30.Rc1=) 29...Qe3 (better 29...Qh4 30.Rd1 Qg3-+) 30.Qe3-/+ Ne3 31.Rc7 Bc8 (31...Ba6 32.f4 Kg8-/+) 32.Kf2?? (better 32.f4-/+) 32...Nd1-+ 33.Kg3 (33.Ke2 Nb2 34.f4 Ba6 35.Kf3 Rf8-+) 33...Nb2 34.f4 Nd3 35.b5 (35.Kf3 Rf8 36.Ke4 Nf4 37.Rc8 Rc8 38.Kf4 Rc4 39.Kg5 Be5-+) 35...Nc5 (better 35...Bh6!? 36.Kf3 Nf4 37.Rc6-+) 36.Nf3 (36.Rc6 Rf8 37.Nf3 Nd3-+) 36...Nd7 (better 36...Bh6 37.Nd4 Rg8 38.Kf3 Bg4 39.Ke3-+) 37.Ng5 (37.Rc6-+) 37...Ne5! 38.Nh7 (38.fe5 Be5 Double attack) 38...Kh7 39.fe5 Kg6 40.Rc6 (40.Kf2 Be5 41.Ra7 Be6-+) 40...Kf5 41.Rb6 Be5 42.Kf3 Be6 (42...Bd4!? 43.Rb8-+) 43.g4 Kf6 (better 43...Kg5!? 44.Ke3-+) 44.Ke4 Bc7 (better 44...Rg8 45.g5 Rg5 46.Kd3-+) 45.g5 (45.Rc6 Bb8-+) 45...Kg5 46.Rc6 Bd7 47.Kd5 Bc6 48.Kc6 Ba5 49.b6 Bb6! (49...Bb6 50.Kb6 Rc8-+) 0-1. jhonores (2225) - g3rm4n (2260), Rated Blitz game, lichess.org, 2020.

7.0-0 b6 8.d4 Bb7 9.Nbd2 Nbd7 10.a4 Ne4 (10...c5 11.bc5 bc5 12.Qe2+=) 11.Ne4 Be4 12.Nd2 Bb7 13.Qb3 a6 14.Rac1 c6 15.Be2 b5 16.Bf3 Rc8 17.Ne4 Nf6 (17...a5 18.ab5 cb5 19.Rc8 Bc8 20.ba5 Qa5 21.Ra1+/-) 18.Nc5 Qc7 19.Nb7 Qb7 20.ab5 ab5 21.Rc2 e6 22.Rfc1 Nd5 23.Rc5 Rc7 24.Bd5 (24.e4 Nb6+=) 24...ed5= 25.Qc3 Rfc8 26.Rd5?? (better 26.Qe1=) 26...cd5-+ 27.Qc7 (27.Qe1-+) 27…Rc7 0-1. dannysmet (2020) - MUSTAPHA1981 (2015), Rated Blitz game, lichess.org, 2021.

7.0-0 Nc6 8.b5 Na5 9.Be2=.

7.0-0 Nbd7 8.d4 Nb6 9.Be2 Bg4 10.Nbd2 Nfd5 11.a3 a5 12.b5 c6 13.bc6 bc6 14.Rc1 Rc8 15.h3 Be6 16.Qc2 Qd6 (16...a4!?+/-) 17.Ne4+- Qb8 18.Nc5 Bd7 19.Ba6 Rc7 20.Rb1 Qa7 21.Nd7 (better 21.e4!? Nf4 22.Bc3+-) 21...Nd7+= 22.Bd3 (22.Bc4 N5b6+=) 22...c5= 23.Qe2 Rfc8 24.Rfc1 cd4 25.Rc7 Rc7 (25...Qc7 26.Nd4 (26.Bd4? Bd4 27.Nd4 Nc3-+) 26...Nc3 27.Bc3 Qc3 28.Bb5=) 26.Nd4+= (worse 26.Bd4 Bd4 27.Nd4 Nc3-/+) 26...Nc3? (better 26...Qc5+=) 27.Bc3+- Rc3 28.Nb5 Qc5 29.Nc3 Bc3 30.Qc2 (better 30.Bb5!? Nf6 31.Rb3+-) 30...Qa3+/- 31.Rb3 Qa1 32.Bf1 Bg7? (32...Bb4!?+/-) 33.Qc8 (33.Qc7 Qa2 34.Rb7 Nf8+-) 33...Nf8 34.Qc5 e6 35.Ra3 Qb2 36.Ra5 Qf6 37.Ra8 h5 (37...Qh4 38.Bd3+-) 38.Be2 Bh6 39.g4 (39.Qc8 Qe7+-) 39...hg4 40.hg4 Bg7 41.Kg2 e5 42.Qd5 Qg5 43.Ra7 Qf6 44.Bc4 Bh6 (44...Ne6+-) 45.Qf7 (45.Rf7 Bg5 46.Rf6 Kg7 47.Qf7 Kh6 48.Qf8 Kh7 49.Rf7) 45...Qf7+- 46.Rf7 Kh8 47.Rf8! Bf8 48.Kf3 Kg7 49.Ke4 Be7. jhonores (2190) - Carlsenfan32 (2190), Rated Blitz game, lichess.org, 2020.

7.0-0 Nbd7 8.d4 c6 9.Nbd2 Nb6 10.Bd3 Bg4 11.h3 Bf3 12.Nf3 (worse 12.gf3 Nfd5 13.Qb3 e5 14.de5 Qg5 15.Kh1 Qh5=+) 12...Nfd5 13.a3 Nd7 14.Qe2 Re8 15.Rfd1 e5 16.de5 Ne5 17.Ne5 Be5 18.Be5 Re5 19.Bc4 Qe7 20.Bd5 cd5 21.Rd4 Rd8 22.Rad1 Kg7 23.Qb5 Exerts pressure on the isolated pawn 23...a6 24.Qb6 Rd6 25.Qa7 Re4 (25...h6 26.R4d2+=) 26.Qc5 (26.Rd5 Rd5 27.Rd5 h6+/-) 26...Rd4+= 27.Rd4 (worse 27.ed4 b6 28.Qc3 Re6=) 27...Qe6 28.e4! Rc6 (28...de4 29.Rd6 Pinning (29.Rd6 Deflection)) 29.Qd5 Rc1 30.Kh2 Qf6 31.Qd6 (better 31.Rd2+/-) 31...Qf2=+ 32.Qe5 Kh6 33.Rd5?? (33.Rd3!?=) 33...Qg1-/+ 34.Kg3 Qe1 (better 34...Qe3 35.Kh2 Re1-+ (35...Qa3?? 36.Qf4 Kg7 37.Rd7+-)) 35.Kh2= Qg1 36.Kg3 Rc3 (better 36...Qe3 37.Kh2 Re1-+ (37...Qa3?? 38.Qf4 Kg7 39.Rd7+-)) 37.Qc3+- (37.Qc3 Qb6 38.Rd7+-) 1-0. jhonores (2190) - Saint_Lugar (2125), Rated Blitz game, lichess.org, 2020.

7.0-0 e6 8.Nc3 a6 (8...Nc6 9.b5 Na5 10.Be2+=) 9.Bb3 (9.d4 Nc6+=) 9...b5 (9...Nc6 10.a3=) 10.Bc2 (10.d4 Bb7+=) 10...Qe7 (10...Nc6 11.a3=) 11.a3+= c5 (11...a5 12.d4+=) 12.bc5 Qc5 13.Ne4 Qe7 14.Nf6 Bf6 15.Bf6 Qf6 16.Be4 Ra7 17.Rc1 Bb7 18.Bb7 Rb7 19.Rc3 Rd7 (19...a5 20.Qb3+=) 20.Qc2 Rfd8 (20...e5 21.Rc1+=) 21.Rc1 (21.d4 Rd6+=) 21...Rd2?? (better 21...e5+=) 22.Nd2+- (22.Nd2 Kg7 23.Ne4+-) 1–0. aravind555 (1790) – Der_neue_Schredder (1775), lichess.org, 2020.

7.0-0 Be6 8.Be6+= fe6 9.b5 (9.d4 a6+=) 9...a6 10.a4 (10.Qb3 ab5 11.Nd4 Qd5 12.Ne6 Qb3 13.ab3 Ra1 14.Ba1 Rc8+=) 10...ab5 11.ab5 Ra1 12.Ba1 c6 (12...Qd3 13.Nc3+=) 13.Nc3 cb5 (13...Qd6 14.bc6 Nc6 15.Qb1+=) 14.Qb3+/- Nd5 (14...Qd7 15.Rb1 Nc6 16.Qb5+/-) 15.Qb5 Nc3 16.Bc3 Qd5 17.Rb1 Qb5 (17...Nc6 18.Bg7 (18.Qb7?! Bc3 19.dc3 Rb8 20.Qb8 Nb8 21.Rb8 Kg7+=) 18...Kg7 19.Qd5 (19.Qb7?! Rb8 20.Qb8 Nb8 21.Rb8 e5=) 19...ed5 20.Rb7+/-) 18.Rb5 Nc6 (18...Bc3!? 19.dc3 Rd8+/-) 19.Rb7+- e5 (19...Bc3 20.dc3 Ra8 21.h3+-) 20.Rc7 e4 21.Ng5 (21.Bg7 Kg7 22.Ng5 Rb8+-) 21...Bc3 (21...Rb8 22.h3 Bc3 23.dc3+- (23.Rc6?! Bd2 24.Ne4 Rb1 25.Kh2 Bb4+/-)) 22.dc3 (22.Rc6?! Ra8 23.Kf1 Bd2 24.Ne4 Ra2+/-) 22...Rd8 (22...Rb8 23.f4 Rb6 24.Ne4+-) 23.g3 (23.f4 Rd6+-) 23...Ne5 24.Ne4 Nf3 (24...Kf8 25.h3+-) 25.Kg2 Ne1 26.Kh3 (26.Kf1 Nf3+-) 26...Re8 (26...Kf8 27.g4+-) 27.c4 h6 28.c5 Nd3 (28...Kf8 29.c6+-) 29.c6 Nb4 30.Kg4 Nd5 (30...Nd3 31.f4 Nb4 32.Kf3+-) 31.Rd7 Nf6 (31...Nb6 32.Rb7 Nc8+-) 32.Nf6 ef6 33.c7 h5 (33...Re4 34.f4 Rc4+-) 34.Kf3 Kf8 35.Rd8 1–0. DEFFM – GeorgSchoenegger, freechess.org, 2018.

7.0-0 Bg4 8.h3 Bf3 9.Qf3 (< 9.gf3 Qd7=+) 9...Nc6 10.Bc3 (10.d4 Qd6 11.b5 Na5+=) 10...Qd6 11.b5 (11.d4 e5+=) 11...Ne5 12.Be5 Qe5 13.Nc3 Qc5 14.Qe2 (14.d3 Qb4 15.Rfc1 Rfb8+=) 14...e5 15.Rfd1 Rfd8 16.Rac1 Qe7 17.d4 ed4 18.Rd4 Rd4 19.ed4 Qa3 20.Rc2 (20.Qc2 Re8+=) 20...Re8= 21.Qd2 Ne4 (21...Qd6 22.a4=) 22.Qf4 Nd6 23.Bb3 (23.Bd5 Qb4 24.Rc1 Bd4-+ (24...Qd4?! 25.Qd4 Bd4 26.a4-/+)) 23...Qb4 24.Nd5 Qe1 (24...Re1 25.Kh2 Qd4 26.Rc7-+) 25.Kh2 Qe4 (25...Re4 26.Nf6 Bf6 27.Qf6+=) 26.Rc7 (26.Qe4 Re4 27.Rc7 Bd4=) 26...Qf4 27.Nf4 Bd4 28.Rd7 Be5 29.g3 Kg7 30.Nd3 Nb5 31.Rf7?? (better is 31.Bf7 Bg3 32.Kg3+- (< 32.fg3 Re2 33.Kg1 Kf6+-)) 31...Kh6+/- 32.Rb7 Nd4 (better is 32...a6!?+/-) 33.Ne5+- Re5 34.Ra7 Nb3 (34...Re2 35.Kg2+-) 35.ab3 Rb5 36.Ra3 Kg5 37.Kg2 Kf5 38.Kf3 h5 39.g4 hg4 40.hg4 Ke5 41.Ke3 (41...g5 42.Kd3+-; 41.g5 Kf5+/-) 1–0. Kalbhenn,Je – Feix, Hessen clubgame, 1995.

7.Qb3 Nc6 8.0-0 (8.d4 Qd6=) 8...b6 (8...Qd6!?=) 9.Ng5+= e6 10.Be6 fe6 (10...Be6 11.Ne6 Double attack; 10...fe6 11.Ne6 Double attack) 11.Ne6 Be6? (better is 11...Qd6!? 12.Nc7 Kh8 13.Na8 Be6+/-) 12.Qe6+- Kh8 (12...Rf7 13.Qc6 a6 14.Bf6 Rf6 15.Qc4 Kh8 16.d4+-) 13.Qc6 Qe7 (13...a6 14.a3+-) 14.b5 Rad8? (14...Qf7+-) 15.Ba3 Qe5 (15...Qf7 16.Bf8 Bf8 17.d4+-) 16.d4 Qd5 (16...Qe4 17.Bf8 Rf8 18.Qc7+-) 17.Bf8 Qc6 (17...Rf8 18.Qd5 Nd5+-) 18.Bg7 Kg7 19.bc6 1–0. DEFFM – GuestPRSJ, freechess.org, 2018.

7.b5 Nbd7 8.d4 Nb6 9.Bd3 Nfd5 10.a3 Bg4 11.0-0 c5 12.bc6 bc6 13.Nbd2 c5 14.Qb3 Be6 15.Qb5 (worse 15.dc5 Ne3 16.Qb5 Nf1 17.Bf1 Bb2 18.Qb2 Nd5-+) 15...a6 (better 15...Rb8!? 16.Qa5 Na4 17.Qa4 Rb2=+) 16.Qc5+= Rc8 (16...Na4!? 17.Qc2 Nb2 18.Qb2 Rb8+=) 17.Qa5+- Qd6 (17...Nd7 18.Qd8 (18.Qa6?! Nc5 19.Qb5 Bd7+=) 18...Rfd8 19.Ba6+-) 18.Ne4 Qd8 (18...Qb8 19.Rfc1+- (19.Qa6?! Nc7 20.Qa5 Nc4 21.Bc4 Bc4=)) 19.Nc5 (19.Rac1 Rb8+-) 19...Bg4 20.Ba6 (20.Qa6?! Bf3 21.gf3 e5+=) 20...Ra8 21.Rfc1 Bc8 (21...Bf3 22.gf3 e6 23.Qb5+-) 22.Qb5 Ba6 (22...Nc7 23.Qb6 Na6 24.Qd8 Rd8 25.a4+-) 23.Na6 1–0. DEFFM – GuestHZMB, freechess.org, 2019.

7.Nc3 Nc6 8.a3 Bg4 (8...a5 9.b5 Nb8 10.d4+=) 9.d4 e5 (9...a5 10.b5 Nb8 11.0-0+=) 10.d5 (better is 10.de5 Nd7 11.0-0=) 10...e4? (10...Ne7!?=) 11.Ne4! Ne4 (11...Bf3 12.gf3 Ne4 13.Bg7 Kg7 14.fe4+/-) 12.Bg7 (12.dc6? Bb2 13.cb7 Ba1 14.Qa1 Bf3 15.Bf7 Kf7 16.Qa2 Kg7 17.gf3 Rb8 18.fe4 Qf6-+) 12...Kg7 13.dc6 Qd1 (13...Qf6 14.Qd4 Bf3 15.Qf6 (15.gf3?! Qd4 16.ed4 Nd6+=) 15...Nf6 16.gf3 bc6 17.Ke2+/-) 14.Rd1 bc6 15.Rd4 (15.Rg1 c5+/-) 15...Bf3 16.gf3 Nd6 17.Ba6 Rfd8 (17...Rad8 18.Rg1+/-) 18.Ke2 Nb5 19.Rd8 Rd8 20.Rc1 Na3 21.Rc6 Rb8 (21...Rd6 22.Rd6 cd6 23.b5+=) 22.Rc7 Rb4 23.Ra7 (23.f4 Rb2 24.Kf3 Nc2+/-) 23...Nb5 (23...Rb2 24.Kd3+/-) 24.Rb7+/- Nc3 25.Kd3 Rb7 26.Bb7 Nb5 27.f4 Nd6 28.Bc6 Nf5 29.e4 Ne7 30.Bd7 f6 31.Kd4+- Kf7 32.Kc5 h5 33.h4 Ng8 34.Kd6 Nh6 35.f3 Kf8 36.e5 f5 37.Be6 Ke8 38.Bc4 Kd8 39.Ke6 Ng8 40.Kf7 Ne7 41.Be6 (41...Nc6 42.Kg6+-) 1–0. Melich,Jindrich (2215) – Rous,Frantisek, CZE Czechia–ch, 1994.

7.d4 a5 8.b5+= b6 9.Nbd2 Bb7 10.0-0 c6 11.a4 cb5 12.Bb5 Na6 13.Qb3 Ne4 14.Ba3 Nac5 15.Qc2 Rc8? 16.Rab1 Na4 17.Qa4+/- Nc3 18.Qb3 Nb1 19.Rb1 Bc6 20.Bc6 Rc6 21.Nc4 Qd5 22.Nb6 Qb3 23.Rb3 Rb8 24.Bc5 a4 25.Rb1 a3+= 26.Ba3 Rcb6 27.Rb6 Rb6 28.g3 Bf6 29.Nd2 Ra6 30.Nc4?? h5?? 31.Kg2? Ra4-+ 32.Be7 Be7 33.Ne5 Bd6 34.Nd3 Ra2 35.h3 Kf8 36.Kf3 Ke7 37.Ke4 Rd2 38.f4 f5 (38...f5 39.Kf3 Rd3-+) 0–1. Pennell,Gary – Wall,Bill, Statesville, NC, 1979.

7.d4 c6 8.0-0 Qb6 9.Qb3 e6 10.Nbd2 Nd5 11.Bd5 (11.a3!?+/-) 11...ed5= 12.e4 Be6 13.e5 Nd7 14.Ng5 h6 15.Ne6 fe6 16.f4 Kh7 17.a3 Qd8 18.Qh3 Qe7 19.Bc1 Rf7 20.Nf3 Kg8 21.Nh4 Kh7? (better is 21...Nf8!?+=) 22.Ng6!+- Kg6 23.Qd3 Rf5 24.g4 Raf8 25.gf5 Rf5 26.Kh1 Nb6 (26...Kf7!?+-) 27.Rg1 Kh7 28.Be3 (28.Ra2!? Bf8+-) 28...Nc4 29.Rg3 1–0. Tarasov,Aleksei – Genov,Ivaylo, Budva MNE, 2013.

7.d4 Nc6=.

7.Ng5 b5 8.Qf3 c6 9.Bb3=+.

7.Ng5 c6 8.Qb3 e6 9.d4 Nbd7 (9...a5 10.b5=) 10.Nd2 (10.Be6 A) worse 10...fe6 11.Ne6 (worse 11.Qe6 Kh8=) 11...Qe7 12.Nc7 Nd5 13.Na8+-; B) 10...Qe7+=) 10...Qe7 11.a4 (11.b5 c5=) 11...Nb6 12.Bd3 (12.b5 Nc4 13.Nc4 Nd5=) 12...Nbd5 (12...Nfd5!? 13.Ngf3 Qb4=+) 13.Ba3+= b5 (13...Rd8!?+=) 14.ab5+/- cb5 15.Bb5 Rb8 16.Bc4 (16.Bc6 Nb4 17.Bb4 Rb4 18.Qc3=) 16...a5? (better 16...Nb4!? 17.Bb4 Rb4 18.Ra7 Qa7 19.Qb4 Qa1 20.Nb1 Qa8+=) 17.b5 (17.ba5!? Qc7 18.Qd1 Rd8+-) 17...Nb4 18.Nge4 (18.0-0 Bd7 19.Bb4 ab4+-) 18...Nfd5 (18...Ne4!? 19.Ne4 e5+/-) 19.0-0 Bb7 20.Rab1 (20.Nc5 Rfc8 21.Bb4 ab4+-) 20...Qh4 (20...Rfc8 21.Bd5 Bd5 22.Bb4+-) 21.g3 (21.Nc5!? Rfd8+-) 21...Qh3+/- 22.Rfe1 f5?? (22...Rfd8!?+/-) 23.Bf1 (better 23.Ng5 Qg4 24.Ne6+- (24.Bb4?! Qg5 25.Bf8 Bf8+-)) 23...Qh5 (23...Qh6 24.Nc5 Bc8 25.Bc4+-) 24.Nc5 Ba8? (24...Bc8+-) 25.Ne6 (25.Bb4?! Nb4 26.Nd7 Bd5+-) 25...Rfe8 (25...Kh8 26.Nf8 Bf8+-) 26.Nf4 Qh6 (26...Qg5 27.Bb4 ab4 28.Nd5+-) 27.Bb4 ab4 28.Nd5 Kh8 29.Bg2 (better 29.Nc7 Rec8 30.Na8 Ra8+-) 29...g5 (29...Red8 30.Qc4 Rbc8 31.Qa2 Bd5 32.Bd5+-) 30.Nf3 (better 30.Nc7 Bd4 31.Ne8 Bc3 32.Ba8 Ra8+-) 30...g4 (30...Rf8 31.Rec1+-) 31.Nh4 Rbd8 (31...Bf8 32.Qd3 Bd5 33.Bd5+-) 32.Nf4 (32.Nf5 Qg5 33.Ng7 Qg7 34.Nb4 Bg2 35.Kg2 Re4+-) 32...Bg2 33.Nfg2 1-0. ClayPigeons (2120) - NatteNeus (2120), Rated Bullet game, lichess.org, 2021.

4.c4 c6

5.f4!? Bg7 6.Nf3 0-0 7.Be2 dc4.

5.f4!? Bg7 6.Nf3 0-0 7.Be2 Nbd7 8.cd5 cd5 (8...Nd5! 9.Bg7 Kg7 10.Qb3 Qb6 11.a3 a5! 12.b5 N7f6 13.Nc3 Be6 14.Rb1!=+) 9.0-0 Nb6 10.Bd4 (10.a4) 10...Bd7 (10...Bg4) 11.Nc3 Be6? (11...Rc8) 12.d3 Ne8 13.Bg7 Ng7 14.Nd4 f5 (14...Nf5) 15.a4 Bf7 16.a5 Nd7 17.a6! b6 18.Nc6 Qe8 19.Nb5 Nb8 20.Nca7! Qd7 21.Qc2 Ra7 22.Na7 Qa7 23.Rfc1 Ne6 24.d4 Rd8 25.b5 Rd7 26.Kf2! Ng7 27.Ra3 Ne8 28.Rc3 Kg7 29.Rc8 e6 30.h3 h5 31.g4 hg4 32.hg4 fg4 33.Bg4 Kf8? 34.Be2 Re7 35.e4! Kg7 36.e5 Rd7 37.Bd3 Re7 38.Ke3 Rd7 39.Qh2 1-0. Cool - Mar-chand, corr Canada 1994 (Zimmer).

5.f4!? Bg7 6.Nf3 0-0 7.Be2 Bg4 8.0-0 Nbd7 9.cd5 cd5 10.h3 Bf3 11.Bf3 e6 12.Bd4 Qe7 13.Nc3 Rfc8 14.Qb3 Ne8 15.Ne2 Bd4 16.Nd4 Nd6 unclear 17.Rfe1 Rc7 18.Rac1 Rac8 19.Qb1 Nb6 20.Rc7 Qc7 21.a3 Nbc4 22.Qa2 Qb6 23.Nb3 a5 24.ba5 Na5 25.Nd4 Nac4 26.Be2 Qa5 27.Bc4 Nc4 28.Rc1 Ra8 29.Rc3 Na3 30.Qb2 Nc4 31.Qb7 Qa1 32.Kf2 Nd2 33.Rc8 Rc8 34.Qc8 Kg7 35.Ke2 Ne4 36.g4 Qa2 37.Qc2 Qa6 38.Ke1 Ng3 39.Kf2 Ne4 40.Ke1 Qa1 41.Ke2 Qg1 42.g5 Qf2 43.Kd3 Qf1 44.Ne2 h6 45.gh6 Kh6 46.Qc1 Qh3 47.Qa1 Kh7 48.Qg1 Nd6 49.Nd4 Nc4 50.Ke2 f6 51.Nf3 Kg7 52.Kf2 Nd6 53.Ke2 Ne4 54.Nd4 g5 55.fg5 Ng5 0–1. Otman – Ignatiev, 1976.

5.f4!? Bg7 6.Nf3 Bg4 7.Be2 Bf3 8.Bf3 0-0 9.c5 Nbd7 10.Qc2 Qc7 11.d4 Rfe8 12.Nc3 Nf8 13.0-0 N6d7 14.Ne2 f6 15.e4 de4 16.Be4 e6 17.a4 Rad8 18.Qb3 f5 19.Bf3 Nf6 20.b5 Nd5 21.g3 Nd7 22.Rad1 N7f6 23.Nc1 Kh8 24.Rfe1 Nh5 25.Nd3 Qf7 26.Ba1 h6 27.Re5!? Kh7 28.Re2 Bf6 29.Rde1 Ng7 30.Qc4 Qc7 31.Nb4 h5 32.bc6 bc6 33.Bd5 ed5 34.Qa6 Re2 35.Re2 Rb8 36.Nd5! cd5 37.Qf6 Re8 38.Re8 Ne8 39.Qe5 Qe5 40.de5 Kg7 41.Bd4 Kf7 42.c6 1–0. Schiffler – Schlieder, corr 1950.

4.c4 e6

5.a3 Bg7=.

5.b5 Bg7 6.Nf3 0-0 7.Be2 (7.d4 a6=) 7...c6 (7...a6 8.d4=) 8.a4 (8.cd5 ed5 9.0-0 Re8=) 8...Re8 (8...a6 9.0-0=) 9.0-0 Nbd7 (9...dc4 10.Bc4 a6 11.d4=) 10.d4+= dc4 11.Bc4 Nd5 12.Nbd2 N5b6 (12...cb5 13.ab5 N7b6 14.Be2+=) 13.Bd3 c5 (13...cb5 14.ab5 e5 15.Qc2+=) 14.a5+/- Nd5 15.Nc4 (15.Bc4 a6 16.b6 cd4 17.Bd4 N5f6+/-) 15...Nb4 (15...cd4 16.Nd6 Rf8 17.Bd4 Bd4 18.Nd4+=) 16.Nd6 (16.dc5 Nc5 17.Bg7 Qd3 18.Qd3 Nbd3+/-) 16...Rf8 17.Bc4 (17.Be4 Qc7 18.a6 Nd5 19.ab7 Bb7 20.Nb7 Qb7+=) 17...cd4 (17...Qe7 18.Ne4 b6 19.a6+=) 18.Qd2+/- (worse is 18.Nd4 Ne5 19.Nb3 Qe7+=) 18...Nd5 19.ed4 (19.Nc8?! de3 20.fe3 Bb2 21.Qb2 Rc8 22.Bd5 ed5+=) 1–0. DEFFM – GuestXQQK, freechess.org, 2018.

5.Nc3 dc4 6.b5 Nbd7=.

5.cd5 ed5 6.Nf3 (6.Nc3 Be7=) 6...Bg7 (6...Bb4 7.Qa4 Nc6 8.Bb5+=) 7.b5 (7.Qa4 Nbd7=) 7...0-0+= 8.Be2 (8.Nc3 a6=) 8...c5 (8...a6 9.Qa4=) 9.bc6 (9.0-0 Bf5+=) 9...bc6 (9...Nc6 10.0-0+=) 10.0-0 (10.Nc3 c5=) 10...Na6 (10...c5 11.d4 c4 12.Ne5=) 11.d4 (11.Be5 Qe7=) 11...Rb8 12.Qc1 (12.Ba3 Nb4=) 12...Bd7 (better is 12...c5+=) 13.Ba6+/- (13.Ba6 Qb6 14.Ba3 Qa6 15.Bf8 Bf8 16.Ne5+/-) 1–0. DEFFM – PatzerII, freechess.org, 2018.

5.Nf3 Bb4 6.Qa4 Nc6 7.cd5 ed5 8.Ne5 Be7 9.Bb5 Bd7 (9...Qd6 10.Bc6 bc6 11.Ba3= (11.Nc6? Bd7-+)) 10.Bc6 bc6 11.Nc6 Rb8 12.Bd4 Bc6 13.Qc6 Qd7 14.Qd7 Kd7 15.Ba7 Rb7 16.Bd4 c5 17.Be5 Ke6 18.f4 Rd8 19.0-0 Ng4 20.Bg7 f5 21.h3 Nf6 22.a4 Rg8 23.Bh6 Ne4 24.d3 Nd6 25.Bg5 Bg5 26.fg5 Rb3 27.Ra3 Rgb8 28.Rb3 Rb3 29.Rd1 c4 30.a5 cd3 31.a6 Nb5 (31...Rb6 32.Nc3 Ra6 33.Rd3=+) 32.Nd2 (32.g3 Ke5=+) 32...Ra3-/+ 33.Rb1 Nd6 34.Rb3 Ra6 35.Rd3 Ra1 36.Kf2 Ra2 37.Kf1 Nc4 38.Nf3 Kd6 39.Rb3 Kc5 40.Rd3 Rc2 ½–½. Luzuriaga,Norberto Horacio – Da Costa,Agenor jr, XV zonal Latinoamericano – semif. e–mai, 2000.

5.Nf3 Bb4 6.cd5 ed5 7.Qa4 Nc6 8.Bb5+=.

5.Nf3 Bg7 6.a4 (6.cd5 ed5 7.Be2 0-0=) 6...a5 (6...0-0!?+=) 7.b5= 0-0 8.Be2 c5 9.0-0 Nbd7 10.d3 b6 11.Nbd2 Bb7 12.Qb3 Qc7 13.Rac1 Rac8 14.Rfd1 Rfd8 15.h3 Qb8 16.Qa2 Ne8 17.Bg7 Ng7 18.Qb2 Nf5 19.Nh2 (19.cd5 ed5 (19...Bd5? 20.e4+-) 20.e4 Re8=) 19...d4+= 20.e4 Nd6 21.f4 e5 22.fe5 Ne5 23.Rf1 (better is 23.Ng4!? Nd7 24.Rf1+=) 23...f5-/+ 24.Ndf3 (better is 24.Nhf3 Nd3! 25.Bd3 fe4 26.Nd4 ed3 27.Nc6 Bc6 28.bc6 Rc6 29.Qf6-+) 24...Nec4 (better is 24...Nd3 25.Bd3 fe4-+) 25.dc4 fe4 (better is 25...Ne4 26.Bd3 Rf8=) 26.Bd3?? (better is 26.Ng5 Nf5 27.Bg4=) 26...ed3-+ (26...ef3?! 27.Nf3 Be4 28.Ne5 Bd3 29.Nd3-+) 27.Ng5 (27.Qd2 Ne4 28.Qd3 Qg3-+) 27...Nf5 (27...Re8!? 28.Rce1 Re1 29.Re1-+) 28.Ng4 Kg7 0–1. Mory,Eric – Villegas,Pierre, St Laurent FRA, Francophonie Rapid Ch, 2014.

4.c4 Bg7

5.cd5 Qd5

6.Nc3 Qd6 7.Nb5 Qd8 8.Bc4 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Nc6 12.Qb3 0-0 13.Nf3 Ne4 14.Bg7+/- Kg7 15.Qb2 Kg8 16.0-0 Nd6 17.Nd6 Qd6+/- 18.b5 Nd8 19.Rc1 Be6+= 20.Qb3 Bc4 21.Qc4 Ne6 22.d4 Rd8 23.Kf1 Kg7 24.Ke2 f6 25.h4 h5 26.Rg1 Kf7 27.Rb1 Qd5 28.Qd5 Rd5 29.Kd3 c6 30.bc6+/- bc6 31.Rb6 Nd8 32.Ra6 Rb5 33.Nd2 g5 34.hg5+/- Rg5 35.g3 Rb5 36.Kc3 h4 37.gh4+/- Rh5 38.f4 c5 39.dc5 Rc5 40.Kd3 Rh5 41.Nf3 Ne6 42.Ke2 Rc5 43.Ra2 Rc1 44.Ne1 Rb1 45.Ra5 Rb7 46.Nd3 Rb1 47.Nf2 Rb2 48.Kf3 Rb3 49.Rd5 Ra3 50.Ne4 Ra7 51.h5 Kg7 52.Ng3 Kh7 53.Rb5 Kg7 54.Nf5 Kh7 55.h6 Nd8 56.Rb8 Nf7 57.Rb1 Kg6 58.e4+- Ra3 59.Kg4 Ra4 60.Ne7+- Kh6 61.Kf5 Nd6+/- 62.Kf6 Ne4 63.Ke5 Ng3 64.Re1 Ra5 65.Nd5 Kg7 66.Rg1 Ra3 67.Rb1 Ra2 68.Rb7+- Kg6 ½–½. Smolenskiy,Y – Yeremenko,A, corr ICCF cp, 1994.

6.Nc3 Qd6 7.Nb5 Qd8 8.Nf3 a5 9.a3 Na6 10.Be5 ab4 11.ab4 0-0 12.Bc4 Bd7 13.Qb3 c6 14.Nc3 b5 15.Be2 Be6 16.Qb2 Ne8 17.Bg7 Ng7 18.0-0 Qd6 19.Rfb1 Bf5 20.e4 Bg4 21.e5 Qd7 22.d4 Nc7 23.Ne4 Nge6 24.Nc5 Qd5 25.Rd1 Nf4 26.Ra5 Nce6 27.Ne6 fe6 28.Rda1 Ra5 29.ba5 Ng2 30.a6 Bf3 31.a7 Be2 32.a8Q Nf4 0–1. Golyak – Zurakhov, Chelyabinsk 1959.

6.Nc3 Qd8 7.Bc4 0-0 8.Qb3 e6 9.Nf3 b6 10.Rc1 Bb7 11.Nb5 Na6 12.Be5 c5= 13.a3 cb4 14.ab4 Bf3 15.gf3 Ne4 16.fe4+= Be5 17.d4 Bg7 18.e5 Nc7 19.Nd6 Qd7 20.Ke2 b5 21.Bd3+/- a6 22.Be4 Ra7 23.Rc2 f6 24.f4 fe5 25.de5 g5 26.Rd1 gf4 27.ef4+- Rf4 28.Qe3 Re4 29.Qe4+- Nd5 30.Rd5 ed5 31.Qd5 Kh8 32.Rc8 Bf8 33.Rf8 Kg7 34.Rg8 Kh6 35.Qd2 (35...Kh5 36.Qg5#) 1–0. Valles,A – Edeso,F, ARAEQ2 op Spain, 1997.

6.Nc3 Qd8 7.d4 0-0 8.Nf3=.

6.Nc3 Qd8 7.d4 Nd5 8.Bc4 Nb4 9.Qa4 N8c6 10.Ba3 Na6 11.Ba6+- Bd7 12.Bc4 Nd4 13.Qd1 Nc6 14.Rc1 Na5 15.Bf7 Kf7 16.Qd5 Be6 17.Qa5 Qd3 18.Qc7 Rac8 19.Qe7 Kg8 20.Qe6 1–0. Caissa – pserlei, Live Game Caissa's Web, 2004.

6.Nc3 Qd8 7.Ne4 Nbd7 8.Bc4 0-0 9.Ng5 Nb6 10.Bb3 Bd7 11.N1f3 h6 12.Nf7 Rf7 13.Bf7 Kf7 14.Ne5 Kg8 15.Ng6 Bb5 16.Nf4 Qd7 17.Qf3 Rd8 18.Rd1 Ba4 19.0-0 Bd1 20.Rd1 Nc4 ½–½. Arno de Visser – Swart, 1987.

4.Be2 Bg7

5.c4 0-0!?=.

5.c4 Nh5 6.d4 c6 7.Bh5 gh5 8.Qh5 (8.cd5 Qd5 9.Nf3 Rg8+=) 8...dc4= 9.Nf3 Be6 10.Ng5 Qd7 (10...Bd5 11.Nc3 h6 A) 12.Nd5? Qd5 (12...hg5 13.Qg5 cd5 14.Qg7+=) 13.Ne6 Qe6-+ (13...Qh5? 14.Ng7 Kd7 15.Nh5+-); B) 12.Nf3=) 11.Nd2 (11.d5 Bb2 12.de6 Qd5 13.ef7 Kd8+=) 11...Bf6 (11...Bd5 12.e4 h6 13.Ngf3+= (worse 13.ed5 hg5 14.Qg5 Bf6=+)) 12.Ndf3 (worse 12.Nh7 Bg7-/+) 12...Na6 13.a3 (13.Nh7 Bg7 14.b5 Nb4 15.bc6 Nd3 16.Kd2 bc6-+; 13.Ne6?! Qe6 14.a3 Rd8=) 13...Nc7 (13...Bd5 14.Ne5 Qf5 15.Nef7 Bf7 16.Qf7 Kd7 17.f4=+) 14.Ne4+= Bg7 15.h3 (15.Nc5 Qd5 16.Qh4 Bf6+/-) 15...0-0-0 (15...b6 16.Rc1+=) 16.Nc5 Qd6 (16...Qd5 17.Qh4+=) 17.e4 (17.Ng5 c3 18.Bc3 Qd5+=) 17...f6 18.Rd1 (better 18.Rc1+/-) 18...Bg8? (better 18...b6 19.Ne6 Qe6+=) 19.Qg4+- Kb8? (19...Ne6 20.e5 h5 21.Qg7 (21.ed6 hg4 22.Ne6 Be6 23.de7 Rde8-/+) 21...Ng7 22.ed6 ed6 23.Na4+-) 20.Nh4 (better 20.Qg7!? Be6+-) 20...Bh6 21.Nf5 Qf4 22.Ke2?? (better 22.Qh5!? b6 23.Bc1 Qc1 24.Rc1 Bc1 25.Ne7 Re8 26.Nc6 Ka8+-) 22...c3 (better 22...e6!? 23.Nh6 Qh6+=) 23.Bc3 Bc4 24.Ke1 Rhe8 (24...e6 25.Ne3 Qg4 26.Ng4+- (26.hg4?! Be3 27.fe3 b6+/-)) 25.Qf4 (better 25.Qh5!? Bb3 26.Rb1 b6 27.Rb3 Qc1 28.Qd1 bc5 29.Qc1 Bc1 30.bc5 Kc8+-) 25...Bf4 26.g3 Bg5 (26...Bd6 27.Bb2+- (worse 27.Nd6 ed6 28.Nd3 f5=+)) 27.Ng7 (better 27.h4 e6 28.Ng7+- (28.hg5?! ef5 29.d5 fg5+-)) 27...Rg8+/- 28.d5?? (better 28.h4 Rg7 29.hg5+/-) 28...Rg7-/+ 29.dc6 Rd1 30.Kd1 bc6 31.f4 (31.h4!? Bh6 32.Bd2 Bd2 33.Kd2-/+) 31...Bh6-+ 32.Rg1 (better 32.Be1-+) 32...e5 33.f5?? (33.fe5 fe5 Combination) 33...Be3-+ 34.Rg2 Bc5 35.bc5 Nb5 (35...Bd3 36.g4 Be4 37.Rg3-+) 36.Bd2 (36.Ba5 Kc8 37.g4 Na3-+) 36...Nd4 (36...Bf1!? 37.Rf2 Bh3 38.a4-+) 37.Ke1 (37.Be3 Rb7 38.Bd4 ed4-+) 37…Nf3 (37...Nf3 38.Kd1 Rd7-+) 0-1. ClayPigeons (2170) - Willi_Werkel (2135), Rated Bullet game, lichess.org, 2021.

5.g4 0-0 6.h4 a5 7.b5 c5 8.c4 d4 9.g5 Ne4 10.d3?? (10.Qc1 a4 11.Nf3 d3 12.Bg7 Kg7=+) 10...Nd6 (better 10...Nf2 11.Kf2 de3 12.Kg2 Bb2-+) 11.e4 e5 12.Nd2 f5 13.ef5 Bf5 (13...Nf5?! 14.Ne4=) 14.Bf3 Bd3 15.Bd5 Kh8 16.h5 (16.Qg4-/+) 16...gh5 (better 16...Qg5 17.Ngf3 Qf5 18.hg6 Qg6-+) 17.Qh5 Qe8 18.Qh3 Qg6 19.Ngf3? (19.Ba3 Bf5 20.Qg2 Nd7=+) 19...Qf5?? (better 19...e4!? 20.Nh4 Qg5 21.f4-+) 20.Nh4 (better 20.Qg3 Qf4 21.Qh3=+) 20...Qf2-+ 21.Kd1 Qe2 22.Kc1 Rf2 (22...Nc4? 23.Bc4 Bc4 24.Ng6 Kg8 25.Nf8+-) 23.Nhf3?? (better 23.Rd1 Bf8 24.Qe6-/+) 23...Bg6 (better 23...Bf5 24.Qh7 Bh7-+) 24.Re1 (better 24.Qe6 Bf7 25.Qd6 Bd5 26.Qd5+- (26.cd5?! Rf3 27.g6 h6+/-)) 24...Qd3-+ 25.Be4 Be4 26.Re4 Nc6 (better 26...Rd2 27.Nd2 Qh3-+) 27.g6-/+ h6 28.bc6 (28.Rh4 Qe3 29.bc6-+) 28...Ne4 29.a4 (29.c7 Rf3 30.Nf3 Qe3 31.Kc2 d3 32.Kb1 Nd2 33.Nd2 Qh3 34.a4-+) 29...Nd2 30.Ra3 (30.Qh6 Bh6 31.g7 Kg8 32.Nd2 Rf1) 30...Nb3 (30...Qb1) 31.Rb3 Qc2 0-1. is_er_nog_hoop (2570) - ficorrales (2690), Rated bullet game, lichess.org, 2020.

5.g4 0-0 6.h4 e5 7.Be5 Nc6 8.Bc3 Ne4 9.Bg7+= Kg7 10.b5?? (10.c3 Qf6 11.f4 d4+=) 10...Ne5?? (better 10...Qf6!? 11.f3 Ng3-+) 11.d3 (better 11.d4 Nc4 12.Bc4 dc4 13.h5+=) 11...Qf6?? (better 11...Nf2 12.Kf2 Qf6 13.Kg2 Ng4 14.Bg4 Bg4 15.Qg4 Qa1=) 12.de4+- de4 (better 12...Ng4 13.Qd4 de4+-) 13.Nd2 Rd8 14.a4?? (better 14.g5 Qe7 15.Qc1+-) 14...Bg4+/- 15.Bg4 (better 15.Ra2 Nc4 A) 16.Bg4?! Rd2 17.Qa1 Rf2 18.Qf6 Rf6= (18...Kf6?? 19.Kf2 Rd8 20.Be2+-); B) 16.Nc4?? Rd1 17.Bd1 Be6-+; C) 16.c3 Rd2 17.Rd2 Qc3 18.Bg4+/-) 15...Ng4=+ 16.Nh3 (better 16.Qg4 Qa1 17.Qd1 Qa4 18.h5-/+) 16...Qh4?? (better 16...Rd2 17.Qd2 Qa1 18.Qd1 Qd1 19.Kd1 a6-+) 17.Qe2+/- Ne5 18.0-0-0 (18.a5 f5+/-) 18...f5 (18...Qe7 19.Nc4+= (19.Ne4? Qa3 20.Kb1 Qb4 21.Kc1 Qe4-+)) 19.Nc4 (19.Nf4 Qe7+/-) 19...Qe7 20.Ne5 (20.Nf4!?+/-) 20...Qe5= 21.Kb1 Qc3 22.Rd4 (better 22.Ka2=) 22...c5?? (better 22...Rd4 23.ed4 Qb4 24.Kc1 Qa4-+) 23.Rc4+- Qe5 24.Nf4 (24.Ng5 Kf6 25.Nh7 Ke7+-) 24...b6 (24...Kg8 25.f3 a6 26.b6+-) 25.f3+- a6? (25...Rd7 26.fe4 fe4 27.Qg4+-) 26.ba6 (better 26.Qh2 Kf7 27.Qh7 Qg7 28.Qg7 Kg7 29.Ne6 Kf6 30.Nd8 ef3+-) 26...Ra6?? (26...Kg8 27.fe4 fe4 28.Qg2+-) 27.fe4 (better 27.Qh2!? Kf7 28.Qh7 Qg7 29.Qg7 Kg7 30.Ne6 Kf6 31.Nd8 ef3+-) 27...b5? (27...Kg8 28.ef5 Qf5 29.Ng6 A) 29...hg6?? 30.Rf4 Qd5 31.e4+- (31.Qa6?! Qh1 32.Kb2 Qh8 33.Kb3 Qe5 34.Qc4 Rd5+=); B) 29...Ra7+-) 28.Rc5 (better 28.Qh2 Re8 29.Qh7 Kf8 30.Nd3+-) 28...Qc5-+ 29.Qh2 (29.Qb5 Rb8 30.Qb8 Rb6 31.Qb6 Qb6 32.Ka2 Qe3 33.Nd5-+) 29...h5 (29...ba4 30.Qh7 Kf6 31.Qg6 Ke5 32.Qf5 Kd6 33.Rh6 Kc7 34.Qc5 Kb8 35.Qb5 Kc7 36.Rh7 Rd7 37.Rd7 Kc8 38.Qb7; 29...fe4?? 30.Qh7 Kf8 31.Qh8 Ke7 32.Rh7 Kd6 33.Qf6) 30.Nh5 gh5 31.Qh5 Qa3?? (better 31...Rg8 32.Rd1 Rd6 (32...ba4 33.Rd7 Kf6 34.Qf7 Kg5 35.Qg8 Rg6 36.Rg7 Qb6 37.Ka2 fe4 38.Rg6 Qg6 39.Qg6 Kg6 40.Ka3+-; 32...Ra4 33.Rd7 Kf6 34.Qf7 Kg5 35.Qg8 Kf6 36.Qg7 Ke6 37.Qf7 Ke5 38.Qf5) 33.Rd6 Qd6 34.Qg5 Qg6 35.Qe7 Kh6 36.ef5 Qf5 37.Qd6 Rg6 38.Qh2 Kg7 39.Qc7 Qf7 40.Qe5 Qf6 41.Qc7 Kf8 42.Qc8 Kf7 43.Qd7 Qe7 44.Qd5 Kf8 45.ab5 Rg1 46.Kb2 Rg5-+) 32.Qg5 (32.Qh7 Kf8 33.Qf5 Rf6 34.Qf6 Ke8 35.Rh8 Kd7 36.Rh7 Kc8 37.Qc6 Kb8 38.Qb7) 32...Rg6= 33.Qd8 ba4?? (33...Qb4 34.Ka2 Qa4 35.Kb1 Qb4 36.Kc1 Qa3 (36...Qe4?? 37.Qh8 Kf7 38.Rh7 Ke6 39.Qe8 Kf6 40.Qd8 Ke5 41.Qc7 Kf6 42.Qb6 Kg5 43.Qd8 Kg4 44.Rh4 Kf3 45.Rf4 Qf4 46.ef4+-; 36...fe4 37.Qd7 Kg8 38.Qh7 Kf8 39.Rf1 Ke8 40.Qg6 Kd8 41.Qb6 Ke8 42.Qc6 Ke7 43.Qc7 Ke8 44.Qf7 Kd8 45.Rd1 Qd6 46.Rd6 Kc8 47.Qe7 b4 48.Rd8) 37.Kb1 Qb4 38.Kc1 Qa3 (38...Qe4 39.Qh8 Kf7 40.Rh7 Ke6 41.Qe8 Kf6 42.Qd8 Ke5 43.Qc7 Kf6 44.Qb6 Kg5 45.Qd8 Kg4 46.Rh4 Kf3 47.Rf4 Qf4 48.ef4+-; 38...fe4 39.Qh8 Kf7 40.Rh7 Ke6 41.Qe8 Kd5 42.Rh5 Kd6 43.Qg6 Kd7 44.Qf5 Kc7 45.Qf7 Kc6 46.Qd5 Kc7 47.Rh7 Kb6 48.Qe6 Qd6 49.Qd6 Ka5 50.Ra7) 39.Kb1 Qb4=) 34.Qd7 (34.Qh8 Kf7 35.Rh7 Ke6 36.Qc8 Kd6 37.Qc7 Ke6 38.Qf7 Ke5 39.Qf5 Kd6 40.Qd5) 34...Kf6+- 35.Qf5 Kg7 36.Qd7 Kf6 (36...Kg8 37.Qe8 Kg7 38.Qh8 Kf7 39.Rh7 Ke6 40.Qc8 Kd6 41.Qc7 Ke6 42.Qd7 Ke5 43.Qd5 Kf6 44.Qf5) 37.Rf1 Kg5 38.Qd8 Kg4 (38...Qe7 39.Qe7 Kh5 40.Qf7 Kh4 41.Qg6 a3 42.Rh1) 39.Rg1 (39.Rf4 Kg3 40.Qh4 Kg2 41.Rf2 Kg1 42.Qh2) 39...Kf3+- 40.Qd1 Ke4 41.Qd3! Qd3 42.cd3 Kf5 43.Rg6 Kg6 44.Ka2 Kg5 If Black now only could play e4... 45.Ka3 Kg4 46.Ka4 Kf3 47.e4 1-0. is_er_nog_hoop (2625) - landitirana (2500), Rated blitz game, lichess.org, 2020.

5.g4 h5 6.g5 0-0 7.gf6 ef6 8.Bh5 (8.Nf3 Re8+-) 8...a5? (better 8...gh5 9.Qh5 Re8+-) 9.Be2 ab4 10.h4 c5 11.h5 c4 12.h6 Bh8 13.h7 Kg7 14.Nf3 Re8 15.a3 ba3 16.Ra3 Ra3 17.Na3 Nc6 18.Qa1 Kf8 19.Nb5 Qe7 (19...Bg4+-) 20.Ba3 Bf5 (20...Nb4 21.Qc3 Kg7 22.Bb4+-) 21.Be7 Re7 22.Qa8 Re8 23.Qb7 (23.Qb7 Ne7 24.Nc7+-) 1-0. only1b4 (2600) - alifie (2480), Rated Bullet game, lichess.org, 2020.

5.g4 h6 6.h4 Nbd7 7.f4 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 e5 11.fe5 (worse 11.Be5 Ne5 12.fe5 Ne4-/+) 11...Ne4 12.Rh3 (better 12.Nf3!?=) 12...Ne5-/+ 13.d3 Nd6 14.Nd2 (14.h5 Qg5 15.hg6 f5 16.Be5 Be5-+) 14...0-0 (14...h5 15.c4 hg4 16.Rh2 Rh4 17.Rg2-+) 15.Be5 Be5 16.d4 Bf6 17.g5? (17.Kf1!?-+) 17...hg5 (17...Bh3 18.gf6 Bf5 19.c4-+) 18.hg5 (18.Bg4 gh4 19.Qf3 Bg4 20.Qg4 Re8-+) 18...Bh3 (18...Bg5 19.Rf3-+) 19.gf6 Bf5 20.Bd3 (20.c4 dc4 21.Bc4 Re8-+) 20...Qf6 21.Qf3 Qh4 22.Kf1 (22.Qf2 Qf2 23.Kf2 Bd3 24.cd3 Ra8-+) 22...Bd3 23.cd3 c6 (23...Ra8 24.Qf2 Qf2 25.Kf2-+) 24.Nh3 (24.Ne2-+) 24...Nf5 25.Ke2 (25.Nf4 Ra8 26.Kg2-+) 25...Re8 26.Nf1 (26.Qf4 Re3 27.Qe3 Ne3 28.Nf3-+) 26…Nd4 (26...Nd4 27.Kd2 Nf3 28.Ke2 Qh3 29.e4 Qg2 30.Ke3 d4 31.Kf4 Ne5 32.b5 Nd3) 0–1. Djakov,Joao – Mutafov,Krasimir (2170), Internet Section, 2004.

5.g4 h6 6.h4 Nbd7 7.Rh3 e5 8.g5 hg5 9.hg5 Nh5 10.Bh5 gh5 11.Rh5 0-0 (11...Rh5 12.Qh5 Qe7 13.g6=) 12.Rh2 (12.d3+/-) 12...d4? (better 12...Qg5!? 13.Nf3 Qg6=) 13.Qh5+- Re8 14.Nf3 Nf8 15.Na3 Bf5 16.0-0-0 Bg6 17.Qh3 c5 18.Nh4?? (better 18.bc5 Ne6 19.ed4 ed4 20.Nb5+/-) 18...Bh5?? (better 18...cb4 19.Nb1 d3 (19...Qg5?! 20.Ng6 Qg6 21.ed4=) 20.Ng6 dc2 21.Nf8 A) 21...cd1N 22.Nd7 f5 23.Qh7 Kf7 24.Ne5 Re5 25.Be5 (25.Kd1?! Qg5 26.Be5 Rh8+-) 25...Qg5 26.Bg7 Qg7 27.Qf5 Kg8 28.Qe6 Qf7 29.Rh8 Kh8 30.Qf7+-; B) 21...cb1B 22.Kb1 Qd3 23.Ka1 Kf8 24.f4+=; C) 21...cb1N?? 22.Nd7 (22.Kb1?! Qd3 23.Ka1 Kf8+=) 22...Qd7 23.Qd7+- (23.Kb1?! Qh3 24.Rh3 Rad8+=); D) 21...cd1R 22.Kd1 Kf8-/+) 19.Nf5+- Bd1 (19...Qc8 20.Ng7 Qh3 21.Rh3 Bd1 22.Ne8 Re8 23.Kd1 cb4+-) 20.Ng7 Kg7 (20...f6 21.Ne8 Bg4 22.Qh8 Kf7 23.Nf6 Be6 24.g6 Ke7 25.Qg7 Kd6 26.Qb7 Nd7 27.Rh7 Bb3 28.Ne4 Ke6 29.Qc6 Kf5 30.Ng3 Kg4 31.Qe4 Kg5 32.Qf5) 21.Qh6 (21.Qh6 Kg8 22.Qh8) 1-0. only1b4 (2590) - alifie (2490), Rated Bullet game, lichess.org, 2020.

4.Ne2 Bg7

4.Nf3 e6

5.a3 a5 6.b5 Nbd7 7.c4 c5 8.Nc3 Bg7 9.cd5 Nd5 10.Bd3 b6 11.Qc2 0-0 12.h4 (12.0-0 Bb7=) 12...N5f6 13.h5 Nh5 14.Rh5 (14.Be4 Ra7=) 14...gh5+= 15.Bh7 Kh8 16.Be4 Ra7 17.Bc6 Ne5 (17...Nb8 18.0-0-0+=) 18.Ne5 Be5 19.Ke2 f6 20.Rh1 Rh7 21.f4 Bb8 22.Be4 Rh6 23.a4 (23.Ke1 e5 24.f5 Rg8+=) 23...e5-/+ 24.f5 Rg8 25.Bf3 Rh7 26.Rh4 Rg3 27.e4 Bb7 28.Kf2 Qg8 (28...Rg5 29.Ke1+=) 29.Ne2 Rgg7 30.Nc3 (30.Bc1 Rd7+=) 30...Bd6 (30...Rd7 31.Bc1-/+) 31.Nd5 (31.d3!?+=) 31...Bd5-/+ 32.ed5 Rc7 33.Rc4 (33.Rh5!? Rh5 34.Bh5 Qd5 35.Bf3-/+) 33...h4-+ 34.Rg4 Rcg7 35.Qe4 (35.Rg6 Qd8-+) 35...Rg4 36.Bg4 Qg5 37.Bc3 Rg7 (37...Kg8 38.Ke2-+) 38.Bh3 (38.Bf3 Qg3 39.Ke2 Rh7-+) 38...Qh5 39.d3 c4! 40.dc4 (40.dc4 Qd1 Combination; 40.Qc4 Rc7 Decoy) 0–1. Janek – Meisi2019, internet, 2019.

5.b5 a6 6.g4 (6.ba6 Na6 7.Ne5 c6=) 6...h6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 (9...Nbd7 10.Ne5=) 10.h4 Bg7 11.Rg1 Nbd7 12.g5 Nh5 13.Bg7 Ng7 14.Nc3 (14.d4 hg5 15.hg5 Qa5 16.Qd2 Qa1=) 14...Qc7 (14...e5 15.Bh3 e4 16.Bd7 Qd7 17.bc6 bc6 18.Ne5=+) 15.Qa1 e5 (15...Rh7 16.Qa7=) 16.Bh3+= Nf5 17.Bf5 gf5 18.gh6 Rh6? (better 18...Nf6+=) 19.Rg8+- Nf8 20.Qa3 Qe7 21.Qa8 Qc7 22.Ne5! f6 (22...Qe5 23.Qc8 Double attack (23.Qc8 Deflection; 23.Qc8 Overloading)) 23.b6! Qd8 (23...Qb6 24.Qc8 Double attack (24.Qc8 Deflection)) 24.Nc6! bc6 25.b7 (25.b7 Bb7 26.Rf8 Kf8 27.Qd8 (27.Qb7?! Qd6=) 27...Kg7 28.Qe7 Kg6 29.Qb7+-; 25.Qc6?! Kf7 26.Rg1 Qd7 27.Qd5 Qd5 28.Nd5 Rh4+-) 1–0. marekt (2545) – mizuzul (2100), ChessWorld.net, 2018.

4.Nf3 Bg7

5.b5 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.b5 0-0 5.Nf3 d5).

5.Be2=.

4.f4 e6

5.g4 e5 6.g5 Nfd7=.

5.g4 h6? 6.g5+/- hg5 7.fg5 Nbd7 8.gf6 (worse is 8.Bf6 Nf6 9.gf6 Qf6+=) 8...Bb4 9.Qf3 Rh5 (9...Bd6 10.Na3 c6 11.Bh3+/-) 10.Bh3 (10.Ne2 e5+-) 10...Ne5 (10...Bd6 11.Qf2+/-) 11.Be5+- Re5 12.Ne2 b6 13.Nbc3 Ba6 14.0-0-0 Ba3 15.Kb1 Qd6 16.Ka1 Be2 17.Qe2 (17.Ne2?! Qb4 18.Rb1 Qd2=) 17...d4 (17...c6 18.Nb1 Bb4+-) 18.Nb5 Qc5 19.Na3 (19.Bf1 Rd8 20.Qc4 de3+-) 19...Qa3 20.Qc4 Qc5 21.Qd4 Qd4 22.ed4 Re2 23.d5 e5 24.Bf1 Rf2 25.Bb5 Kf8 26.Rhf1 Rf1 27.Rf1 Rd8 28.Bc6 Rd6 29.Kb2 Kg8 30.Kc3 Kh7 31.Kd3 Rd8 32.Rf3 g5 33.Ke4 Kg6 34.Ke5 Rh8 35.d6 cd6 36.Kd6 Rh4 37.Ke7 (37.Ke7 Rc4 38.Bb5 Re4 39.Kf8+-) 1–0. Schot – Cartens, corr NL Hkl, 1985.

4.f4 Bg7=+

5.Nf3 0-0

6.c4 c6 7.Qb3 a5 8.b5 Nbd7 9.d4 a4 10.Qb4 dc4 11.Bc4 Nb6 12.Be2 (12.bc6!? bc6 13.Ne5=+) 12...Nbd5-/+ 13.Qa3 cb5 14.0-0? (better is 14.Ne5-+) 14...b4 15.Qd3 Bf5 16.Qd2 Ne4 17.Qc1 (17.Qe1 Ne3 18.Qb4 Nc2-+) 17...a3 18.Na3 (18.Ba3 Nf4! (18...Ra3?! 19.Na3 Ndc3 20.Bd3-/+) 19.Bc4 ba3 (19...Ra3?! 20.Na3 ba3 21.Nh4 Bd4 22.Nf5 gf5 23.Rf4-+) 20.Na3 Be6-+) 18...ba3 (18...Ra3?! 19.Ba3 Ndc3 20.Bd3 ba3 21.Qa3-/+) 19.Ba3 Qa5 20.Bb2 (20.Bc4 Rfc8 (20...Qa3?! 21.Bd5 Nd6 22.Qa3 Ra3 23.Bb3-+) 21.g4 Bg4-+ (21...Qa3?! 22.Qa3 Ra3 23.Bd5 Bg4 24.Be4-+)) 20...Rfc8 21.Qe1 Ne3 22.Nh4 (22.Bd3 Nf1 23.Qa5 Ra5 24.Kf1 Nd2 25.Ke2 Nf3 26.gf3 Bd3 27.Kd3 Ra4-+) 22...Qe1 23.Rfe1 Nc2 24.Nf5 gf5 25.Bd3 Ne1 26.Re1 Ra2 27.Ba1 Ra1! 28.Ra1 Bd4 29.Kh1 Ba1 30.h4 Nf2 31.Kh2 Nd3 32.h5 Nf4 33.Kg3 Nh5 34.Kh4 Bf6 35.Kh3 Rc3 36.Kh2 Ng3 37.Kg1 Bd4 38.Kh2 Kg7 39.Kh3 Nf1 40.Kh4 Bf6 41.Kh5 Ng3 0–1. Szewczak,Andrzej – Grzelak,Rafal (2205), Warsaw Entropia–ch, 1996.

6.c4 c6 7.Qb3 Bf5 8.Nc3=+.

6.c4 c6 7.Be2 Nbd7 8.c5 b6 9.d4 Ne4 10.Qc2 bc5 11.dc5 Bb2 12.Qb2 a5 13.a3 Ba6 14.Nc3 (14.Ba6 Ra6 15.0-0 ab4 16.ab4 Ra1 17.Qa1 Qb8=+) 14...Be2=+ 15.Ke2 Ndf6 16.Ne5 Qc7 17.Rhb1 Rfb8 18.Ne4 Ne4 (< 18...de4 19.Kf1=) 19.Qd4 f6 20.Nd3 Qc8 (20...e6 21.Ke1=+) 21.Nf2= Qa6 22.Kf3 (22.Ke1!? Nf2 23.Kf2 ab4 24.ab4=) 22...e5-/+ 23.Qb2 Nc5 24.fe5 fe5 25.Qe5 Rf8 26.Kg3 Rae8 27.Qd4 Ne4 28.Ne4 Re4 29.Qd2 Qc8 30.Qe2 Qc7 (30...Qd8 31.Qg4 Rg4 32.Kg4 h5 33.Kh3 Qd7 34.Kh4 Qg4) 31.Kh3 Qd7 (better is 31...Qe7 32.g3 Re3-+) 32.Kg3?? (better is 32.g4-/+) 32...Qd6 33.Kh3 Qe6 (34.Kg3 Re3 35.Qe3 Qe3 36.Kh4 Rf4 37.g4 Rf3 38.b5 Rh3) 0–1. Kucharkowski,Jens – Kosche, Freital, 1988.

6.Be2 Bf5=.

4.Bf6 ef6

5.a3 f5 6.d4 Bg7 7.g3 0-0 8.Bg2 a5 9.Nd2 ab4 10.ab4 Ra1 11.Qa1 Qd6 12.c3 b6 13.Ne2 (13.b5 Be6+=) 13...c5 (13...Ba6!?=) 14.bc5+= bc5 15.0-0 (15.Qa3 Nd7+=) 15...Be6 16.Nf4 Nd7 17.Rb1 Rc8 18.Qa3 Bf8 19.Qa4 Nf6 20.Nf3 Ne4 21.Qa5 Qc7 22.Qc7 Rc7 23.Rb3 (23.dc5!? g5 24.Ne6 fe6 25.Nd4 Nc5 26.Bf1=) 23...c4-/+ 24.Rb6 Nc3 25.Ng5 Na4 (25...Ra7 26.Bf3=+) 26.Ra6 (26.Nge6 fe6 27.Re6=+ (27.Ne6?? Nb6 28.Nc7 c3 29.Nd5 c2 30.Nb6 c1Q 31.Bf1 Kf7-+)) 26...c3= 27.Ra4 c2 28.Ra1?? (better 28.Ne2 h6 29.Nf3 c1Q 30.Nc1 Rc1 31.Bf1=) 28...c1Q-+ 29.Rc1 Rc1 30.Bf1 Rc6 (30...Bd7 31.Kg2-+) 31.Bg2-/+ Be7 32.Nge6 fe6 (32...Re6?! 33.Nd5 Kf8 34.h4=) 33.Ne6 Re6 (33...Rc1!? 34.Bf1 g5-+) 34.Bd5-/+ Kf7 35.Kg2 Kf6 36.Be6 Ke6 37.h3 g5 (37...Kd5 38.Kf3-/+) 38.Kf3 h5 Black prepares the advance g4 39.e4 g4 (39...Bb4!?-/+) 40.hg4= fg4 41.Ke3 (41.Kf4!?=) 41...Bg5-/+ 42.f4 White plans e5 42...Bh6 (42...gf3 43.Kf3 Bd2 44.Ke2=+) 43.d5 (better 43.Kd3=) 43...Kd6-+ 44.Kd4? (better 44.Kf2-+) 44...Bg7 (better 44...h4 45.gh4 Bf4-+) 45.e5+= Ke7 46.Ke4 h4 47.gh4 Bh6 48.f5 Bd2 49.f6 (49.h5 Ke8 50.f6+-) 49...Kf7+- 50.h5 g3 51.d6?? (better 51.Kf3 Bf4 52.h6 (52.Kf4?? g2 53.Kf5 g1Q 54.e6 Kf8-+) 52...Be5 53.h7 Bf6 54.Kg3+=) 51...Kg8 (51...g2 52.d7 g1Q 53.d8N Ke8 54.f7 Kf8-+ (54...Kd8? 55.f8Q Kd7 56.Qd6 Kc8 57.Qd2 Qh1 58.Kf5 Qh5 59.Qg5 Qf7 60.Qf6 Qh5 61.Ke6 Qe8 62.Kd5 Qd7 63.Ke4+-)) 52.Kf3+- g2 53.Kg2 Bf4 (53...Kf7 54.d7 Ba5+-) 54.Kf3 (54.Kf3 Be5 55.d7 Bf6 56.Kf4+-) 1–0. FeegLood – hiimgosu (2835), Time forfeit, 2015.

5.a3 f5 6.d4 Bg7 7.g3 0-0 8.Bg2 a5 9.Nd2 Qd6 10.c3 b6 11.Ne2 c6 12.0-0 Nd7 13.c4 (13.ba5 Ra5 14.c4 Bb7=) 13...ab4 14.ab4 Ra1 15.Qa1 Qb4 16.Qc3 Qc3 17.Nc3 dc4 (17...Re8!?=) 18.Bc6+= Nf6 19.Nc4 Be6? (better 19...Ba6!? 20.Bb5 Bb5 21.Nb5 Rc8+=) 20.Nb6+- Rb8 21.Nca4 Ne4 22.d5 Bc8 23.Nc8 Rc8 24.Rb1 Be5 25.f3 (better 25.Rb7!?+-) 25...Nd2+= 26.Rb7 Nf3 27.Kg2 Ng5 28.Nb6 Rc7 29.Nc4 Rb7 30.Bb7 Bc7 (30...f6!?+=) 31.d6+- Bd8 32.Ne5 Kg7 33.Nc6 Bf6 (33...Bb6!?+-) 34.Bc8+- Ne6 35.Be6 fe6 36.d7 e5 (better 36...Kf7+-) 37.Ne5! Bd8 (37...Be5 38.d8Q Combination) 38.Nc6 (38.Nc6 Bb6 39.Kf3+-) 1–0. FeegLood – hiimgosu (2840), lichess.org, 2015.

5.a3 f5 6.d4 Bg7 7.g3 0-0 8.Bg2 c6 9.Ne2 a5 10.Nd2 Nd7 11.0-0 (11.b5 Re8+=) 11...b5 (11...Nf6 12.ba5 Qa5 13.c4=) 12.Nb3 (12.a4 Ba6+=) 12...a4= 13.Nd2 (13.Na5 Ra6+=) 13...Nf6 14.Nf4 Re8 15.Nd3 Ne4 16.Ne4 fe4 17.Nc5 f5 18.c3 g5 19.Qh5 Rf8 20.f3 Ra7 21.fe4 fe4 22.Rf8 Bf8 23.Rf1 Bg7 (23...g4 24.Rf2=) 24.Bh3 (24.Ne4 de4 25.Be4 Bf6+=) 24...h6 (24...Bh3!? 25.Qh3 Qe8+=) 25.Be6 Be6 (25...Kh8!?+-) 26.Ne6+- Qe7 (26...Qc8 27.Qg6 Kh8+-) 27.Qg6 (27.Ng7 Kg7 28.h4 gh4=+) 27...Ra8?? (27...Kh8+-) 28.Kg2 (better 28.Ng7 Qg7 29.Qe6 Kh7 30.Rf7+-) 28...Rc8 (28...Ra7 A) 29.Qg7 Qg7 30.Ng7 Kg7=+ (worse 30...Rg7 31.Rf6+=); B) 29.Rf8 Qf8 30.Nf8 Kf8 31.Qc6+-) 29.Kh3 (better 29.Ng7 Qg7 30.Qe6 Kh7 31.Qf5 Qg6 32.Qc8 Qg8 33.Qc7 Kh8 34.Qc6 Qg7+-) 29...Kh8 (29...g4 30.Kg2 Rc7 31.Nc7 (31.Ng7?! Qg7 32.Qe6 Kh7+-) 31...Qc7 32.Qe6 Kh7 33.Rf7+-) 30.Kg4 (30.Rf7 Qf7 31.Qf7 Rg8+-) 30...Kg8 (30...Rc7 A) 31.Qg7?! Qg7 32.Ng7 Kg7= (32...Rg7? 33.Rf6+-); B) 31.Ng7?! Qg7 32.Rf6 Qg6 33.Rg6 Kh7+-; C) worse 31.Nc7 Qc7 32.Qe8 Kh7+-; D) 31.Kh5 Rd7 32.Ng7+- (32.Qg7?! Qg7 33.Ng7 Kg7=)) 31.Kh5 (better 31.Ng7 Qg7 32.Qe6 Kh7+-) 31...Re8 (31...Qd7 32.h4 Qe8 33.Ng7 Qg6 34.Kg6 gh4 35.gh4 Rd8+-) 32.Ng7 (32.Ng7 Rb8 33.Nf5 Kf8 34.Ne7 Ke7 35.Rf7 Kd8 36.Qg8; 32.Qg7?! Qg7 33.Ng7 Kg7=) 1–0. FeegLood – hiimgosu (2810), lichess.org, 2015.

5.a3 Bg7 6.Ra2 Be6 7.Nf3 d4 8.Rb2 de3 9.fe3 f5 10.c3 0-0 11.Be2 Nc6 12.0-0 Qd6 13.Bb5 Ne5 14.Ne5 Be5 15.d4 Bh2 16.Kh1 Bd5 17.c4 Be4 18.c5 Qg3 19.Qe2 Qh4 20.Rf4 Bf4 21.Kg1 Qh2 22.Kf1 Qh1 23.Kf2 Qg2 24.Ke1 Bg3 25.Kd2 Qe2 26.Be2 c6 27.Nc3 Bg2 28.Kd1 Bh3 29.Bf3 Rfe8 30.e4 Bg4 31.Bg4 fg4 32.e5 Rad8 33.Ne4 Be5 0–1. Phomopsis (1745) – pierti (1740), lichess.org, 2020.

5.a3 Bg7 6.c3 0-0 7.d4 Nd7 8.Bd3 f5 9.Nf3 (9.Qf3 Nb6+=) 9...Re8 (9...f4 10.ef4 Re8 11.Be2=) 10.0-0+= Nf6 11.Ne5 (11.Nbd2 a5+=) 11...c6 12.h3 (12.Qc2 Ne4=) 12...Nd7 13.Nd7 Bd7 14.Nd2 Qf6 15.Qf3 Rad8 (15...Be6 16.b5=) 16.a4 a6 (16...f4 17.e4+=) 17.Rfb1 b5 18.ab5 ab5 Opening the a–file gets White a lot of play 19.Ra7 Ra8?? (19...f4 20.e4+-) 20.Rba1 (better 20.Rd7 Qe6 21.Rc7+-) 20...Ra7+- 21.Ra7 Qd6 22.Nb3 Be6 23.Nc5 Qb8 24.Ra6 Rc8 25.h4 (25.Ra2 Re8+-) 25...Bf8+= 26.Nb3 Qb7 27.Ra5 Be7 28.g3 (28.h5 Ra8+=) 28...Ra8= 29.Qe2 Bd8 30.Nc5 Qb8 31.Ra2 Ra7 32.Bb1 (32.h5 Ra2 33.Qa2 gh5+=) 32...Qa8 (32...Ra2 33.Ba2 Bb6 34.Ne6 fe6 35.h5=) 33.Qb2 (33.Ra7 Qa7 34.Qa2 Qb8+=) 33...Ra2 34.Ba2 Be7 35.Nd3 Bd6 36.f4 (36.Bb1 Qd8=) 36...h5 (36...f6 37.Nc5 Bc5 38.bc5=) 37.Kf2 (37.Nc5 Bc5 38.bc5 Bd7=) ½–½. petrobbo (2000) – Bemused_aardvark (1995), ChessWorld.net, 2013.

5.a3 Bg7 6.d4 0-0 7.g3 a5 8.b5 c6 9.a4 Bf5 10.Nd2 Qd7 11.bc6 Nc6 12.Ne2?? (better 12.Rc1=+) 12...Nb4-+ 13.Nf4? (13.e4 Rfc8 14.Rc1 de4 15.Bg2-+) 13...Nc2 14.Ke2 b5 (better 14...Nd4 15.ed4 Qe8 16.Kf3 Be4 17.Ne4 Qe4 18.Kg4 Qh1-+) 15.Rc1 Rac8 16.ab5? (better 16.Nf3-+) 16...Qb5 (better 16...Nd4 17.Ke1 Bc2 (17...Nb5?! 18.Rc8 Rc8 19.Qa1-+) 18.Rc2 A) 18...Rc2 19.Nb3 (19.ed4? Re8 20.Be2 Qc8-+) 19...Nb3 20.Qc2-/+; B) 18...Nc2 19.Ke2 d4-+) 17.Kf3-/+ Qd7 18.h3? (18.Kg2 Bh6 19.Rg1 Bf4 20.gf4 Rc3-/+) 18...Nb4 (18...Rc3 19.Ne2 Rc7 20.Kg2-+) 19.g4 (better 19.Ra1!? Bc2 20.Qe2-/+) 19...Bc2-+ 20.Qe2?? (20.Qe1 Bh6 21.Be2 Qd6-+) 20...a4 (better 20...Be4 21.Ne4 de4 22.Kg2 Rc1-+) 21.Qb5 Rb8?? (better 21...Qd6 22.Kg2 a3-+) 22.Qd7+- a3 (22...Rfc8 23.Ra1 Rd8 24.Qc7+-) 23.Nd5 Nd5 (23...Rfd8 24.Ne7 Kh8 25.Qc7+-) 24.Rc2 (24.Qd5 Ba4+-) 24...Nb4 (24...Rfd8 25.Qa4 Ra8 26.Qb3+-) 25.Rc1 (25.Rc7 f5+-) 25...a2 26.Bc4 1–0. FeegLood (2740) – Blitzstream_twitch (2535), lichess.org, 2015.

5.a3 Bg7 6.d4 0-0 7.g3 f5 8.Bg2 c6 9.Nd2 Nd7 10.c4 dc4 11.Nc4 Nb6 12.Na5 Nd5 13.Ne2 h5 14.h4 (14.Qc2 Rb8+=) 14...Nf6 15.0-0 a6 16.Nc3 (16.Nf4 Ne4+=) 16...Re8 17.Rc1 Re7 18.Nb3 Be6 19.Nc5 Bc4 20.Re1 Rc8 21.Ne2 Bd5 22.Nf4 Bg2 23.Kg2 Ng4 24.Qf3 Bh6 25.Red1 Qd6 (25...Bf4 26.Qf4 b6 27.Nd3+= (27.Na6?! Qd5 28.Qf3 Qb5=)) 26.d5+- Bf4 27.gf4 (27.ef4!? cd5 28.Rd5+= (worse 28.Qd5 Qd5 29.Rd5 Re2-/+)) 27...cd5+= 28.Nb7 (worse 28.Qd5 Qd5 29.Rd5 Re3-/+) 28...Rc1?? (better 28...Qb8 29.Nc5 Qa8+=) 29.Nd6+- Rd1 (29...Rc2 30.Kg1 Nf6 31.Rd5 Nd5 32.Qd5 Rd7+-) 30.Qd1 1–0. FeegLood – hiimgosu (2830), lichess.org, 2015.

5.c3 Bd6 6.d4 0-0 7.h3 (7.Bd3 Be6=) 7...Bf5 8.g4 (8.Bd3 Qd7=) 8...Bd7 9.Qf3 c6 10.Bd3 a5 11.ba5 Ra5 12.Nd2 Re8 13.Ne2 b5 14.Nb3 Ra3 15.0-0 Na6 Black prepares the advance b4 16.Nec1 Bb8 17.Qe2 (17.Ne2 Qc7 18.Qg2 h6=+) 17...Qc7 The mate threat is Qh2 18.f4 b4?? (18...Qd6!?-/+) 19.Qb2?? (better 19.Ba6!? bc3 20.Nc5+-) 19...c5 (19...Re3!? 20.cb4 Ra4 21.Ba6 Ra6=) 20.Ba6+= Ra6 21.Nc5 bc3 22.Qc3 Rc6 23.N1b3 Ba7 (23...f5 24.g5+-) 24.Qd2 (24.Rfc1 Bc5 25.Nc5 g5+-) 24...Bc5 25.Nc5 Rb8 (25...h5 26.Qe2+- (worse 26.Nd7 Qd7 27.f5 hg4=)) 26.Rfc1 (26.Rfb1 Rb1 27.Rb1 Qd6+-) 26...Bc8 27.Kg2 g5 28.fg5 fg5 29.a4 (29.e4 Qd8 30.e5 Rcb6+-) 29...h6 (29...Qe7 30.a5+-) 30.Qa2 Rcb6 31.Rc2 (31.Qd5? Rb2 32.Kf3 Qh2-+) 31...Qd6 32.Rf1 (32.a5 Rb5+-) 32...Qg6 (32...Ba6 33.Na6 Ra6 34.Rcf2+-) 33.Rfc1 Qd6 34.Rf1?? (34.a5 Rb5 35.a6 Kg7+-) 34...Ba6 (34...Qg6 35.Rcf2 Ba6 36.Na6 Qe4 37.Kh2 Ra6 38.Rf7 Rab6+-) 35.Na6+- Ra6 36.Rc5 Rab6 37.Rf2 (37.Qf2 Rb2 38.Rc2 Rc2 39.Qc2 Qe6+-) 37...Rb3 38.Rc8 Rc8 39.Qb3 Qe6 40.Qd3 Rc4 41.a5 Ra4 42.Qb5 (42.Qc3 Qe7+=) 42...Qe4= 43.Rf3?? (better 43.Kh2 Qe3 44.Qa4 Qf2 45.Kh1 Qf3 46.Kh2=) 43...Ra2-+ 44.Kg3 h5 Threatening mate... how? (44...h5 45.Qb8 Kg7 46.Rf7 Kf7 47.Qc7 Qe7 48.Qe7 Ke7-+) 0–1. petrobbo (2025) – crazykaspar (1910), ChessWorld.net, 2020.

5.c3 Bg7 6.d4 0-0 7.Nf3 a5 8.ba5 Ra5 9.c4 Be6 10.cd5 Bd5 11.Nc3 Bf3 12.Qf3 c5 13.Be2 cd4 14.ed4 Qd4 15.Rd1 Qe5 16.0-0 f5 17.Rd3 Nc6 18.Bd1 Qb8 19.Rd2 Nd4 20.Qh3 Ra3 21.Rd3 Ne6 22.Nd5 Ra2 23.Bb3 Re2 24.Re3 Re3 25.Qe3 Re8 26.Re1 b5 27.h3 Qd6 28.Qd3 Qc5 29.Ba2 Ra8 30.Qb1 Bd4 31.Re2 Ra3 32.Rc2 Qa7 33.Rc8 Kg7 34.Rc2 Nc5 35.Kh1 Ne4 36.f4 h5 37.Rc7 Ra2 38.Ra7 Ra7 39.Nc7 Rc7 40.Kh2 h4 41.Qe1 b4 42.Qb4 Be3 43.Qb2 f6 44.Qb3 Bf4 45.g3 hg3 46.Kg2 Rd7 47.Qa3 Rd2 48.Kf1 g2 49.Kg1 Re2 50.Qf3 Be3 51.Qe3 Re3 52.Kg2 0–1. Nohbaum – Paige, corr, 1995.

5.g3? Bb4-/+ 6.Bg2 0-0 7.Ne2 c5 (better 7...c6!?-/+) 8.0-0 d4 9.c3 dc3 10.Nbc3 Nc6 11.a3 Ba5 12.Nd5 (12.Bc6 bc6 13.Qa4 Qc7=) 12...Be6 13.Nef4 Kg7 (13...Rc8 14.Qb3 Bd5 15.Nd5=) 14.Rb1 Rb8 15.Ne6 fe6 16.Nf4 Qd7 Attacks the backward pawn on d2 17.d3 (17.Qa4 Bb6=+ (17...Bd2? 18.Bc6 Qc6 19.Qc6 bc6 20.Ne6 Kh6 21.Nf8 Rf8 22.Rb2+-; 17...Qd2?? 18.Ne6 Kh8 19.Nf8 Rf8 20.Bc6+-)) 17...Rfe8 18.Qb3 b6 19.Rfd1 e5 20.Nd5 Ne7 21.d4 ed4 22.ed4 Nd5 23.Bd5 cd4 24.Rd4 Rbd8 25.Rbd1 Re1 26.Kg2 Rd1 27.Qd1 Qe7 28.a4 (28.Rd3 Qc5=+) 28...Bc3 29.Rd3 Bb4 30.Bf3 Rd3 31.Qd3 Qd6 (31...Bc5 32.Qe4-/+) 32.Qa6 Qe7 33.Qc8 (33.Qd3!?=) 33...Bc5 34.Bd5 a5 (34...f5 35.Qb7-/+) 35.Qg8=+ Kh6 36.Qb8 (36.Qe6 Qe6 37.Be6 f5=+) 36...Qe2 (36...f5 37.h4=+) 37.Qf4=+ Kg7 38.Bc6 (38.Qc7 Qe7 39.Qe7 Be7=+) 38...Qe5 (38...f5 39.Bb5 Qc2 40.Qe5 Kh6 41.Qf4 g5 42.Qf3=+) 39.Qf3 (39.Qe5 fe5 40.Kf3 Kf6=+) 39...Qe7 40.Bb5 Qd6 41.h4 (41.Qb7 Kh6=+) 41...h5 42.Qb7 Qe7 43.Qd5 Qf7 44.Qd3 Qe7 45.Qf3 (45.Qd5 f5=+) 45...Qf7 46.Bd3 (46.Qd3 Qa2 47.Qd7 Kh6=) 46...Qe7 47.Bc2 (47.Bb5 Qe5-/+) 47...Qf7 48.Qd3 (48.Bd3!?=) 48...f5 49.Qc3 Qf6 50.Qd3 (50.Qf6 Kf6 51.Bb3 Bd4-/+) 50...Qd4 (50...Bd4 51.Bb3-/+) 51.Qf3 Kf6 52.Bb3 Qd6 53.Qe2 Qd4 54.Qe6 (54.Qf3 Qd7 55.Qa8=+) 54...Kg7-/+ 55.Qf7? (better 55.Kh3-/+) 55...Kh6-+ 56.Qd5 Qf2 57.Kh3 Qf1 (57...b5!? 58.ab5 Qf1 59.Qg2 Qb5 60.Qd2 Kh7 61.Qd1-+) 58.Qg2 Qb1?? (58...Qd3 59.Qd5 Bd4 60.Bc4-+) 59.Bc2?? (better 59.Qd2 Kg7 60.Qd7 Kh8 61.Qe8 Kg7 62.Qd7 Kf6 63.Qe6 Kg7 64.Qd7=) 59...Qc1 60.Bb3 Be3 61.Bd5 f4 62.gf4 (62.Qe2 fg3 63.Kg3 Bf4 64.Kg2 Qa3-+) 62...Bf4 (better 62...Qc8 63.f5 Qf5 64.Kh2 Bf4 65.Kg1 Qb1 66.Kf2 Qd3-+) 63.Bf3?? (63.Qf3 Qc8 64.Kg2 Qc2 65.Qf2 Qa4 66.Qb6 Qc2 67.Kf3 Qf5-+) 63...Qe3 (better 63...Qc8 64.Bg4 hg4 65.Qg4 Qc3 66.Kg2 Qb2 67.Kf1 Qa1 68.Ke2 Qa4-+) 64.Qe2 Qe2 (64...Qg1 65.Qg2 Qe1 66.Be2-+) 65.Be2 g5 66.hg5 Kg5 67.Bb5 h4 68.Bc6 Bg3 69.Bb5 Kf4 70.Bc6 Ke3 71.Bb5 Kd4 72.Be8 Kc3 73.Bb5 Kb4 74.Bd7 Be1 75.Bb5 Kc5 76.Bd7 Kb4 77.Bb5 Bg3 78.Be8?? (78.Bd7 Kc5-+) 78...Kc3 79.Bb5 Kd4 80.Be8 Ke5 81.Bb5 Kf6 82.Bc6 Kg5 83.Bb5 Kf4 84.Bc6 Be1 85.Bb5 Ke3 86.Bc6 Kd4 87.Bb5 Kc5 88.Be8?? (88.Bd7 Bg3 89.Bb5-+) 88...Kd6 89.Bb5 Ke7 90.Bc6 Kd6 91.Bb5 Bg3 92.Be8 Ke7 93.Bb5 Kd8 94.Bc6 Kc7 95.Bb5 Kd8 96.Bc6 b5! 97.Bb5 (97.ab5 Kc7 Combination; 97.Bb5 Ke7 Combination) 97...Kc7 98.Bc4 Kd6 99.Bb5 Kc5 100.Bd7 Be1 101.Bb5 Bg3 102.Bd7 Kb4 103.Bb5 Kc5 ½-½. Kalajzic,I (2110) - Baradaran,Arman (1980), Titled Tuesday 1st June, 2021.

4.g4 Bg7

4.h3 Bg7

3.e3 d6

4.a4 a6 5.b5 a5 (5...Bg7 6.Nf3=) 6.Nf3 Bg4 7.h3 Bf3 (7...Be6 8.d4+=) 8.Qf3+/- (8.gf3?! Bg7=) 8...Bg7 (8...c6 9.Bf6 ef6 10.Be2+/-) 9.Qb7 Nbd7 10.Be2 0-0 11.d4 d5 12.0-0 (12.Qc6 Rc8+-) 12...Rb8 (12...c5!? 13.bc6 Rb8+/-) 13.Qc6 Rb6 14.Qc3 Ne4 (14...Qa8+-) 15.Qa5 Qa8 (15...c6+-) 16.Qa8 Ra8 17.a5 Rbb8 18.Nc3 Nd2 (18...Ndf6 19.g4+-) 19.Nd5 Nf1 20.Kf1 (20.Rf1?! Ra5 21.Ne7 Kf8+-) 20...c6 (20...e6 21.Nc7 Ra7+-) 21.Ne7 Kf8 22.Nc6 Rc8 23.Bf3 Nb8 24.Nb4 White prepares a6 24...Ra7 25.b6 Rd7 26.a6 White prepares the advance b7 26...Na6 27.Ra6 Kg8 (27...Rb8 28.Ra8 Ra8 29.Ba8+-) 28.b7 Rb8 29.Ra8 (29.Ra8 Rdb7 30.Bb7 Ra8 31.Ba8+-) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

4.a4 Bg7 5.c4 0-0 6.Nf3 c6 7.Nc3 e5 8.b5 Re8 9.Be2 a6 10.0-0 cb5 11.ab5 a5 12.Re1 b6 13.Qc2 h6 14.d4 e4 15.Nd2 Bf5 16.Nd5 (16.h3 Qe7+=) 16...Nd5+= 17.cd5 Nd7 (17...Bf8 18.Ba3+=) 18.Qb3 (18.g4!? Bg4 19.Bg4=) 18...Qg5= 19.g3 Bh3 20.Bf1 (better 20.Rec1!?=) 20...Bf1-/+ 21.Rf1 h5 (better 21...Nf6-/+) 22.Ne4?? (better 22.Rfc1=) 22...Qe7?? (better 22...Re4 23.Rfc1 h4-+) 23.Nd2+/- h4 24.Nf3 (24.Nc4!?+/-) 24...hg3+= 25.hg3 Bf6 (25...Nf6+=) 26.Qd1 (26.Nd2 Bg7+/-) 26...Kg7 (26...Qe4 27.Nd2 Qd5 28.Qa4=) 27.Kg2 (27.Nd2 Rac8+/-) 27...Rh8 (27...Qe4 28.Rh1=) 28.Rh1 (better 28.Qd3!?+/-) 28...Qe4= 29.Rh8 Rh8 30.Qe2 Be7 31.Rc1 Qd5 32.e4 Qe6?? (32...Qh5 33.Ng1 Qh1 34.Kf1 Bg5+=) 33.d5+- Qe5 (33...Qf6 34.Bf6 Bf6 35.Rc6+-) 34.Be5 (34.Ne5!? de5 35.Rc7 Rd8+-) 34...Ne5 (34...de5 35.Rc7 Rd8 36.Ne5 Ne5 37.Re7+-) 35.Ne5 (35.Qe3 Rb8+-) 35…de5 1-0. brucepeng (2015) - Botvinnik_1 (2040), lichess.org, 2021.

4.b5 b6 5.Nf3 (5.Qf3!? d5 6.Bf6 ef6 7.Nc3+/-) 5...Bg7= 6.a4 c6 7.Be2 c5 8.a5 ba5 9.0-0 (9.Bc3 a6 10.Ba5 Qd7=) 9...0-0 (9...a6 10.Ra4=+) 10.d4 (10.Bc3 a6 11.Ra5 Bb7=) 10...Nfd7 (better 10...cd4!? 11.Nd4 a6=+) 11.Bc3 Attacks the isolani on a5 11...cd4 12.Ba5 (worse 12.Bd4 a6=+) 12...Nb6 13.ed4 a6 14.Nbd2 ab5 15.Bb5 Bd7 16.Qe2 Qc7? (better 16...Qe8! 17.Rfb1 Bb5 18.Rb5 N6d7+=) 17.Bb6+- Qb6 18.Ra8 Bb5 19.c4 Bd4?? (better 19...Bc6 20.Ra2 Bf3 21.Nf3 Nc6+-) 20.cb5 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

4.Bb5 Bd7 5.Be2 Bg7 6.b5 c6 7.a4 cb5 8.ab5 0-0 9.Nf3 a6 10.c4 Be6 11.0-0 Nbd7 12.Nd4 ab5 13.Ne6 fe6 14.cb5 Nc5 15.d4 Ncd7 16.Ra8 Qa8 17.Qc2 Rc8 18.Qb3 d5 19.Nc3 b6 20.Ra1 Qb7 21.Bg4?? h5?? 22.Be6+- Kh8 23.Bd5 Nd5? 24.Nd5+- Nf6 25.Nf6 Bf6 26.d5 Rc5 27.Bf6 ef6 28.Qb2 Kg7 29.d6 Qd7 30.Rd1 g5 31.e4 Kg6 32.e5 Re5 33.Qc2 Kh6 34.Qc6 Qe6 35.g3 Rc5?? 36.Qb6 Rd5 37.Rd5 Qd5 38.Qc6 Qd1 39.Kg2 h4 40.d7 hg3 41.Qf6 Kh5 42.d8Q Qd8 43.Qd8 gh2 44.Kh2 (44...g4 45.b6+-) 1–0. MammaMia – negotiator100, Live Game Caissa's Web, 2004.

4.c4 Nc6 5.b5 Ne5 6.d4=.

4.c4 Bf5 5.d3 Nc6 6.a3 e5 7.Be2 Be7 8.Nc3 0-0 9.Bf3 Qc8 10.h3 Bd7 11.Nge2 h6 12.Ng3 Nh7 13.Nd5 f5 14.b5 f4 15.bc6 fg3 16.Ne7 1–0. Blasig,Volker – Galassi, 1980.

4.c4 Bg4 5.b5?? (better 5.Be2 Be2 6.Ne2=) 5...Bd1-+ 6.Kd1 (6.Bf6 ef6 7.Kd1 d5-+) 6...c6 (6...Bg7 7.d4-+) 7.Nf3 (7.Bf6 ef6 8.Nc3 a6-+) 7...cb5 (7...Bg7 8.d4-+) 8.cb5 (8.Bf6 ef6 9.cb5 Nd7-+) 8...Bg7 9.a4 (9.Nc3 d5-+) 9...a6 (9...Nbd7 10.a5-+) 10.Nc3 ab5 (10...0-0 11.d4-+) 11.Nb5 (11.Bb5 Nbd7-+) 11...0-0 12.d4 (12.Bf6 Bf6 13.d4 Qa5-+) 12...Nc6 (better 12...Ne4!? 13.Rg1-+) 13.Nd2 Nd7 (13...Ng4 14.Ke2-+) 14.g3 (14.Nc3 e6-+) 14...e5 15.Bg2 (15.d5 Nb4 16.e4 Nc5-+) 15...ed4 (15...Nb6 16.d5 Nb4 17.Ba3 Ra4 18.Rb1 N4d5 19.Bd6-+) 16.ed4 (16.Nd4 Bd4 17.ed4 Qb6-+) 16...Qg5 (better 16...Nb6!? 17.a5 Na5 18.Bc3-+) 17.f4 Qg4 18.Bf3 Qf5 (18...Qh3 19.Nc7 Nd4 20.Bd4 Bd4 21.Na8 Ba1 22.Bb7 Qh5 23.Bf3-+) 19.Be4 (19.Nd6 Qa5 20.Nb5-+) 19...Qg4 (19...Qh3 20.Bf3-+) 20.Bf3 Qh3 21.Re1 Qh2 22.Ne4 (22.Ra3 d5 23.Bd5 Rfe8-+) 22...d5 (22...Qb2 23.Rc1 Ra4 24.Nec3 Nd4 25.Be4 Nb5 26.Na4 Qd4 27.Kc2-+) 23.Ned6 (23.Re2 Qh3 24.Bg2 Qg4-+ (24...de4?! 25.Bh3 Nb6 26.a5-+)) 23...Qg3 (better 23...Qb2!? 24.Ra3 Nd4 25.Ree3 Nf3 26.Rf3-+) 24.Be2 (24.Rf1 Qf4 25.a5 Ra5 26.Ra5 Bh6-+) 24...Qf4 (24...Qb3 25.Kc1 Nb4 26.Bd1 Rfc8 27.Nc8 Rc8 28.Nc3 Nd3 29.Kd2 Qb2 30.Bc2 Qc3 31.Ke3 Bd4 32.Kf3 N3e5 33.Kg2 Qf3 34.Kh2 Ng4) 25.Nb7 (25.Rf1 Qh4 26.Ra2 Nd4 27.Nd4 Bd4-+) 25...Nd4 (better 25...Ra4 26.Rf1 Ra1 27.Ba1-+) 26.Nd4 (26.Rf1 Qh4 27.Bd4 Bd4 28.Ra3-+) 26...Bd4 27.Rf1 Qh4 28.Nd6 Bb2 29.Rb1 Bg7 (29...Qd4 30.Kc2 Rfc8 31.Nc4 Ne5 32.Rf4 Qc3 33.Kd1 Nc4 34.Rc4 dc4 35.Rb2 Rd8 36.Bd3 Rd3 37.Ke2 Qb2 38.Ke1 Re8 39.Kf1 Rd1) 30.Rb7 Qa4 31.Ke1 (31.Rb3 Qb3 32.Ke1 Qe3 33.Kd1 Ra1 34.Kc2 Qc3) 31...Nc5 (31...Qh4 32.Kd1 Qd4 33.Bd3 Qd3 34.Ke1 Qc2 35.Rf7 Ra1 36.Rb1 Rb1) 32.Rbf7 Bc3 (32...Qh4 33.Kd2 Ra2 34.Kd1 Qd4 35.Ke1 Ra1 36.Bd1 Qe3) 33.Kf2-+ Rf7 34.Nf7 Kf7 35.Kg2 Kg7 36.Bf3 Rf8 37.Rc1 (37.Bd1 Qa2 38.Kh3 Rf1 39.Kg3 Be5 40.Kh4 Qf2 41.Kg4 Qg3) 37...Ne4 (37...Qa2 38.Kg3 Be5 39.Kg4 Qh2 40.Rc5 Qg3) 38.Be4 (38.Rf1 Qc2 39.Kg1 Bd4 40.Rf2 Qf2 41.Kh1 Qg1) 38...Qa2 (38...Qe4 39.Kh3 Qe3 40.Kg2 Rf2 41.Kg1 Re2 42.Kf1 Qf2) 39.Rc2-+ Qc4 40.Bf3 (40.Rf2 Qe4 41.Kf1 Qe1 42.Kg2 Qf2 43.Kh1 Qf1 44.Kh2 Be5) 40...d4 (40...Rf3 41.Rf2 Qg4 42.Kf1 Rg3 43.Rf7 Kf7 44.Kf2 Qf3) 41.Rc1 d3 42.Rb1 (42.Ba8 Qg4 43.Kh2 Be5 44.Kh1 Qh5 45.Kg2 Qh2) 42...Rf3! 43.Rb7 (43.Kf3 d2) 43...Kh6 (43...Rf7 44.Rb4 Qa2 45.Rb2 Qb2 46.Kg3 Qf2 47.Kh3 Rf3 48.Kg4 Qg3) 44.Kf3-+ Bd2 (44...d2 45.Rd7 Qf1 46.Ke3 Qh3 47.Ke4 Qd7 48.Ke3 Qg4 49.Kf2 Bd4 50.Kf1 d1Q) 45.Rc7 Bg5 (45...Qf4 46.Kg2 Qe4 47.Kh2 Bf4 48.Kg1 Qe3 49.Kf1 Qe2 50.Kg1 Be3 51.Kh1 Qf1 52.Kh2 Bf4) 46.Rc4-+ d2 47.Rd4 (47.Ke2 Kg7 48.Rc7 Kf6 49.Rh7 Bf4-+) 47...Kh5 (47...Kg7 48.Ke2-+) 48.Kf2?? (48.Ke2 h6-+) 48...h6 (48...Bf4 49.Kf3 g5 50.Rd7-+) 49.Kg3?? (49.Kf3-+) 49...Be3 50.Rd3 (50.Rh4 Kg5 51.Rh1-+) 50...Kg5 (better 50...g5-+) 51.Kf3 Bf4?? (51...Bf4 52.Rd5 Be5 53.Re5 Kf6+-; better 51...Bc5 52.Rd2 Kf6-+) 0–1. RichardSommer (2120) – prettyfast (2265), lichess.org, 2020.

4.c4 Bg7 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.e3 d6).

4.d4 e5 5.de5+- de5 6.Qd8 Kd8 7.Nf3 (7.a3 Be6+/-) 7...Nc6 (better is 7...Bb4 8.c3 Bd6=) 8.a3 Bg7 (better is 8...Bg4 9.Ng5 Kc8+-) 9.Ne5 (9.b5 Ne7 10.Ng5 Ke8+-) 9...Rf8 (better is 9...Ne5!? 10.Be5 Re8+/-) 10.Nc6 bc6 11.Bc4 Bf5 (11...c5 12.Nd2+-) 12.c3 (12.Nd2!? c5+-) 12...Rb8 (12...Ke7 13.Nd2+/-) 13.0-0 (13.Nd2 c5+/-) 13...c5 14.Nd2 cb4 (14...Ke7!?+/-) 15.ab4 a5 16.Ra5 Ng4 (16...h6 17.Rfa1+-) 17.Rd1 Kc8 (17...Bc2 18.Rda1+-) 18.Nf3 (better is 18.Nb3 Rb6+-) 18...h5 19.Rad5 Kb7 20.Rb5 Kc8 21.Ra5 Re8 22.Ba6 Rb7 23.Rb5 Ne3 24.Bb7 Kb8 25.Bc6 Kc8 26.Ra1 Kd8+- 27.Ra8 Bc8 28.Be8 Ke8 29.Rc8 Ke7 30.Rc7 Ke6 31.Rc6 Kd7 32.Ra6 (32...Kc8 33.fe3+-) 1–0. Slavisa666 – jackflanders, Live Game Caissa's Web, 2004.

4.d4 Bg7=.

4.Nf3 a6 5.c4 (5.Nc3 Nc6=) 5...Bg7 6.d4 Nbd7 (6...0-0 7.Be2=) 7.Bd3 0-0 (7...e5 8.Nc3=) 8.Nc3 c5 (8...Nb6 9.0-0=) 9.bc5+= dc5 10.0-0 Qc7 (10...b5 11.cb5 cd4 12.ed4 ab5 13.Bb5+=) 11.Qe2 (11.h3 b6+=) 11...Rb8 (11...Re8 12.d5+=) 12.Rad1 (12.Ng5 Re8+=) 12...e5 (12...cd4 13.ed4 Re8 14.h3+=) 13.d5+/- Qd6 (13...Qa5 14.Rb1+/-) 14.Ng5 (14.a4 Qb6+-) 14...h6 15.Nge4 (15.Nf3 b6+/-) 15...Qc7 (15...Ne4 16.Ne4 Qb6 17.Rb1+/-) 16.d6 Qb6 17.Qc2 Ne4 (17...Re8 18.h4+/-) 18.Be4 (18.Ne4?! f5 19.Nc3 A) 19...Qd6?? 20.Bf5 Qc7 21.Nd5+- (worse is 21.Bg6 Nf6+-); B) 19...Qc6+/-) 18...f5 19.Na4 (19.Bd5 Kh7+-) 19...Qa7+/- 20.Bd5 (20.Bd3 Rf7+/-) 20...Kh7 21.Qe2 (21.e4!? f4 22.Be6+/-) 21...b5= 22.Nc3 Qb6 (22...Nb6 23.cb5 ab5 24.Nb5=) 23.cb5 (23.Qc2 Nf6 24.cb5 ab5+=) 23...ab5 24.a4 b4 25.Nb5 Ba6 26.Rfe1 (26.Bc4 Qa5+=) 26...Bb5 (better is 26...Qa5!? 27.Ra1 Nb6=) 27.ab5+/- (worse is 27.Qb5 Qb5 (27...Qd6?? 28.Bb7 Qb6 29.Rd7 Qb5 30.ab5+-) 28.ab5 e4 29.Bg7 Kg7+=) 27...Rfe8? (27...Rbd8!?+/-) 28.e4 (better is 28.Bc6 Rbd8 29.e4+-) 28...Nf6?? (28...Qb5 29.Qb5 Rb5 30.ef5 Rbb8 (30...gf5?? 31.Bc6 Rbb8 32.Bd7+-) 31.fg6 Kg6+/-) 29.ef5 Nd5 (29...gf5 30.Bc6 Rf8 31.Qe5+-) 30.fg6 (30.Rd5?! gf5 31.Be5 Ra8+-) 30...Kh8 (30...Kg8 31.Rd5 Qb5+-) 31.Rd5 Rbd8 (31...e4 32.Qd2 Kg8+-) 32.Re5 Rf8 33.Re7 Bb2 (33...Rd6 34.Rg7 Rg6 35.Rg6 Kh7 36.Qc2 Rf5 37.Rg7 Kh8 38.Qf5 Qb5 39.Qf8) 34.Rh7 Kg8 35.Qc4 Rf7 36.Qf7 1–0. Leonco – Danuta, internet corr, 2018.

4.Nf3 Nc6 5.a3 Bg4 6.Be2 e5 7.d3 Qe7 8.h3 Bf3 9.Bf3 (< 9.gf3 Bg7=+) 9...0-0-0 10.c4 Ng8? (10...Nb8 11.Qa4 a6 12.b5+/-) 11.Bc6 (11.Qa4!?+-) 11...bc6+/- 12.Qa4 Qg5 13.0-0 Ne7 14.Qa7+- Kd7 15.b5 Bg7 16.bc6 Nc6+/- 17.Qa4 Ra8 18.Qc2 Rhb8 19.Nd2 Qe7 20.Nf3 h6 21.d4 ed4 22.Nd4 Nd4 23.Bd4 f6 24.c5 Ra6? 25.cd6 Qd6 26.Rfc1 Bh8 27.Qc4 Qe7 28.Qa6 (28.Qa6 Ke8 29.Rc6+-) 1–0. Fournier,Frederic – ocram01, Active, 2007.

4.Nf3 e5 (--> 1.b4 e5 2.Bb2 d6 3.e3 Nf6 4.Nf3 g6).

4.g4 Bg4!? 5.Be2 Bf5-/+.

4.a3 Bg7

5.d4 c6 6.Nf3 0-0 7.c4 Qc7 8.Qc2 Bg4 9.Nbd2 a6 10.Be2 Nbd7 11.c5 d5 12.0-0 Bf3 (12...Bf5!? 13.Qc3 h6=) 13.Nf3+= Rae8 14.a4 e5 15.de5 Ng4 16.Nd2 Nge5? (16...Nde5 17.g3 f5+=) 17.Be5?? (better is 17.f4 Nc4 18.Nc4 dc4 19.Bg7 Kg7 20.Qc3 f6 21.a5+-) 17...Ne5 (< 17...Re5 18.Nf3 Ree8 19.Rab1=) 18.g3 Qd7 19.Rab1 Qh3 20.Nf3 Nf3 21.Bf3 d4 (21...f5 22.b5=) 22.Bg2 Qg4 23.ed4 Bd4 24.Rbd1 Bg7 25.b5 ab5 26.ab5 Qb4 (better is 26...cb5!? 27.Rb1 Re2=) 27.bc6+/- bc6 28.Bc6 Rc8 29.Bg2 Rc5= 30.Qd2 Rh5?? 31.h4 Rf5?? 32.Qd4 Qd4 33.Rd4 Bd4 34.Rd1 Bb6 35.Be4 Rf2 36.Kh1 Re8 37.Rb1 Re4 38.h5 Ree2 39.h6 Rh2 0–1. slavisa99 – Sir, Live Game Caissa's Web, 2004.

4.b5 Bg7

4.Bb5 c6

5.Be2 Bg7 6.Nf3 0-0 7.c4 a5 8.b5 cb5 9.cb5 b6 10.a4 Nbd7 11.0-0 Bb7 12.Qc2 Rc8 13.Qb3 Nc5 14.Qa2 (14.Qa3!?=) 14...Bd5=+ 15.Qa3 Nb3 16.Ra2 Nc5 (16...Qd7=+) 17.Nc3 (better is 17.Ra1=) 17...Ba2-/+ 18.Na2 Rc7 19.Nd4 Qa8 (19...Qd7 20.Nc6-/+) 20.Nc6 Rc6 (20...Qe8!?-/+) 21.bc6=+ Qc6 22.Bb5 Qc7 23.Nc3 Rc8 24.d4 Nb7 25.Rc1 Qd8 26.h3 Ne8 27.Nd5 Nc7 28.Nb6 Rb8 29.Bd3 Na6 30.Ba6 Qb6 31.Bb7 Qb7= 32.Ba1 Qb3 33.Qb3+= Rb3 34.Rc8 Bf8 35.d5?? f6 36.Kh2 Ra3 37.Bd4 Ra4 38.Rc7 Kf7 39.Ra7 Ra2 40.Bb6 a4 41.Bd4 a3 42.g4? Bg7?? 43.Kg3= g5 44.f4 gf4=+ 45.ef4 h6 46.f5 Rd2 47.Be3 Re2 48.Bd4?? a2=+ 49.g5?? fg5-+ 50.Kf3 Rd2 51.Bg7 Kg7 52.Re7 Kf6 53.Ra7 Rd5 54.Ke4 Re5 55.Kd4 Rf5 56.Ra2 h5 57.Rd2 Rf4 58.Ke3 Ke7 59.Re2 Rf5 60.Kd3 Re5 61.Rg2 Kf6 62.h4 g4 63.Rg3 Kf5 64.Kd4 Re4 65.Kd5 Kf4 66.Kd6 Kg3 67.Kd5 Kf3 (68.Kc6 g3 69.Kb6 g2 70.Kb7 g1Q 71.Kc6 Rc4 72.Kd5 Qd4 73.Ke6 Qb6 74.Kd5 Rc5 75.Kd4 Qd6) 0–1. TIROLOCO – michel, caissa.com, 2004.

4.c3 Bg7

5.Qb3 0-0=+ 6.d4 Nc6 (6...Bf5 7.c4=) 7.a3 (7.c4 d5=) 7...e5=+ 8.c4 (8.Nf3!?=+) 8...ed4-/+ 9.ed4 Re8 10.Be2 Ng4 (better 10...Nh5!? 11.d5 Nd4 12.Bd4 Bd4-/+) 11.Nf3=+ Qe7 12.Qc2 (12.Qd1!?=) 12...Bf5-/+ 13.Qd2 Bh6 (13...Be4 14.Kf1-/+) 14.Qd1=+ Nf2?? (better 14...Qe2 15.Qe2 Bd3=+) 15.Kf2+/- Be3 16.Kf1 Bg4 17.b5 (better 17.Nbd2!?+-) 17...Bf3+= 18.Bf3 (18.gf3 Qh4 19.Kg2 Qf2 20.Kh3 Nd4-+; 18.bc6 Qh4 19.Qe1 Be2 20.Qe2 Bd4 21.cb7 Rab8-+) 18...Qh4 d4 becomes the focus of attention 19.g3 (better 19.Qe1 Qe1 20.Ke1 Bd4 21.Kf1 Bb2 22.Ra2+=) 19...Qf6?? (better 19...Qh3 20.Bg2 Qf5 21.Bf3 Qh3 22.Bg2 Qf5 23.Bf3 Qh3=) 20.bc6+- bc6 21.Kg2 Rab8 (21...c5 22.Rf1 (worse 22.Ba8 Qf2 23.Kh3 Qb2+-) 22...Rab8 23.Ra2+-) 22.Bc3 c5 (22...d5 23.Re1 dc4 24.Ra2+-) 23.dc5 (23.dc5 Rb2 24.Kh3 Qe6 25.Bg4 Rb1 26.Rb1 Qc4 27.Bf6 Qc5 28.Bd7+-) 1-0. ClayPigeons (2175) - Zhenja_jj (1885), Rated Bullet game, lichess.org, 2020.

5.Nf3 0-0 6.d4 c6 7.Qb3 Nbd7 8.c4 e5 (8...a5 9.ba5 Qa5 10.Nbd2=) 9.Be2 (9.de5 de5 10.Ne5 Ne5 11.Be5 Bg4+=) 9...e4= 10.Nfd2 d5 (10...Qe7 11.Nc3=) 11.Nc3 h5? (better 11...dc4!? 12.Bc4 Qe7+=) 12.cd5+/- cd5 13.Nd5 Nd5 14.Qd5 Nf6 15.Qb3 (15.Qd8 Rd8 16.Bc4 Bf5+/-) 15...Be6 16.Qd1 (16.Qa4 Bd7 17.Qa3 Re8+/-) 16...Rc8 17.a3 Bd5 18.0-0 Be6 (18...Qd7 19.b5+/-) 19.Rc1 Rc1 20.Qc1 Bg4 (20...Bd5 21.Qc5 a6 22.Rc1+/-) 21.Bg4+- Ng4 22.Ne4 Qb8 (better 22...Nh2!? 23.Kh2 Qh4 24.Kg1 Qe4+-) 23.g3+- h4 24.Qd1 f5 25.Ng5 Bh6 (25...Re8 26.Qb3 Kh8+-) 26.Qb3 Kh8 27.d5 Bg7 (27...Nf6 28.Ne6 hg3 29.fg3+-) 28.d6 (28.Bg7!? Kg7 29.Ne6 Kg8 30.Nf8 Kf8+-) 28...Qd6 29.Rd1 Qb8 (29...Qe7 30.Ne6 (30.gh4?! Be5+-) 30...Nf6 31.Nf8 Qf8 32.Qe6+-) 30.Bg7 (30.Rd7 Ne5 31.Qe6 Re8+-) 30...Kg7 31.Rd7 (31.Qe6 Kh6 32.Qe7 hg3 33.hg3 Nf6+-) 31...Kh6 32.Nf7 Rf7 (32...Kg7 33.Qe6 Nf6 34.Ne5 Kh6 35.Qe7 Nd7 36.Nd7+- (worse 36.Qh4 Kg7 37.Qe7 Kg8 38.Nd7 Qa8+-)) 33.Qf7 Qh8 34.Rb7 (better 34.Qe7 Nf6 35.Rb7 h3+-) 34...h3 (34...Qa1 35.Kg2 h3 36.Kf3 Qd1 37.Kf4 Qd6 38.Kf3 Ne5 39.Kf4 Nf7 40.Kf3 Qd1 41.Kf4 Qg4) 35.Qf6 (better 35.Qc4 Qa1 36.Qf1 Qf1 37.Kf1 Nh2 38.Kg1+-) 35...Nf6 (35...Qf6 36.Kf1 Qb2 37.Rh7 Kh7 38.Ke1 Qf2 39.Kd1 Ne3 40.Kc1 Qc2) 36.f4 Ng4 (36...Ne4 37.Rh7 Kh7 38.Kf1 Qb2 39.Ke1 Qd2 40.Kf1 Qd1) 37.Kf1 Qb2 38.Ke1 (38.Rh7 Kh7 39.Ke1 Qf2 40.Kd1 Ne3 41.Kc1 Qc2) 38...Qf2 39.Kd1 Qe3 (39...Ne3 40.Kc1 Qc2) 40.Kc2 Qe2 41.Kb3 Qe4 (41...Qe4 42.Rc7 Nh2-+) 0-1. ClayPigeons (2085) - ebrahim1984 (2070), Rated Bullet game, lichess.org, 2020.

4.Nc3 Bg7

5.Nce2 0-0 6.Ng3 Nbd7 7.h4 h5 8.Bd3 c5 9.a3 b6 10.f4 e6 11.Nh3 Bb7 12.0-0 cb4 13.ab4 Nd5 14.Bg7 Kg7 15.Nh5? (better is 15.Be4 Qh4 16.Qe1=) 15...gh5-+ 16.Qh5 Rh8 (16...Nb4 17.f5 Nd3 18.f6 Nf6 19.Qg5 Kh7 20.Rf6 Qf6 21.Qf6+-) 17.Qg4 Kf8 18.Ng5 N7f6 (18...Nb4 19.f5 Nd3 20.Ne6 fe6 21.fe6 Nf6 22.Qg6+-) 19.Qg3 Nb4 20.Bg6 Qe7 21.Bf7 Ne4 22.Qg4 Nd2 23.h5 Qf6 24.Nh7?? Kf7 25.Nf6+- Kf6?? 26.Qg6 Ke7 27.Qg7 Kd8 28.Qh8 Kc7 29.Qc3 (29.Qc3 Nc6 30.Qd2+-) 1–0. Sobolev,Maksim – Velichko,Tatiana (1885), Saratov region op, 2008.

5.Ne4 e5 6.Nf6 Qf6 7.f4 Qf5 8.Bd3 Qf6 9.Nf3+= Bg4 10.h3 Bf3 11.Qf3 c6 12.0-0 0-0 13.Rab1 b5 14.Bb5!+- d5 15.Be5 Qd8 16.Ba4 Be5 17.fe5 Qe7 18.d4 Rc8 19.b5 cb5 20.Qd5 Nd7 21.Bb3 a6 22.Rf7 (22.Rf7 Qf7 23.Qf7 Kh8 24.Qd7+-) 1–0. Rosner,Dirk – Lauterbach,Uwe, Tiger SC, 2001.

4.Bd3 Bg7

4.Be2 Bg7

5.c4 0-0 (5...e5 6.d4=) 6.b5 (6.Nf3 a5=) 6...Nbd7 (6...a6 7.Nf3+=) 7.d4 (7.Nf3 c5=) 7...c6 (7...a6 8.Nf3=) 8.a4 (8.Nf3 cb5 9.cb5 Nb6=) 8...cb5 (8...e5 9.Nf3=) 9.ab5 Qc7 (9...Nb6 10.Nf3=) 10.Nd2 (10.Nf3 Nb6=) 10...Re8 (10...Nb6 11.Ngf3=) 11.Ngf3 Nf8 (11...Nb6 12.0-0+=) 12.0-0 (12.Qb3 N8d7+=) 12...Bd7 (12...Bf5 13.Qb3+=) 13.Rc1 White prepares c5 (13.Qb3 a5+=) 13...Rac8 (13...Ne6 14.Nb3+=) 14.Qa4 (14.Nb3 Bf5+=) 14...a6 15.Qa1 (15.Qb4 Ne6+=) 15...Qb6 (15...Ra8 16.Rc3+=) 16.ba6 ba6 17.c5 (17.d5 a5+=) 17...dc5 18.dc5 (18.Ba6? Ra8 19.dc5 Qa6 20.Qa6 Ra6-+) 18...Rc5 19.Rc5 (19.Ba6? Ra5 20.Nc4 Ra1 21.Nb6 Ra6 22.Bf6 Rb6 23.Bg7 Kg7-+) 19...Qc5 20.Bd4 (20.Rc1 Qa7=) 20...Qc6 (20...Qf5 21.Qa6 Ne6 22.Be5=) 21.Rc1 (21.Ne5 Qd6 22.Ndc4 Qe6 23.Nf7 Bb5+= (worse is 23...Kf7 24.Ne5 Kg8 25.Bc4+/-; worse is 23...Qf7 24.Ne5 Qe6 25.Bc4+/-)) 21...Qa8 22.Ne5 (22.Ba6 Ne6+=) 22...Bf5 (22...Bb5 23.Bf3 Qb8 24.Nc6=) 23.Bf3+= Ne6?? (better is 23...Qd8+=) 24.Ba8+- (24.Ba8 Ra8 25.Nc6+-) 1–0. DEFFM – GuestLVKD, freechess.org, 2016.

5.f4 e6 6.Bf3 0-0 7.Ne2 d5 8.c4 dc4 9.Nbc3 c6 10.0-0 b5 11.a4 ba4 12.Na4 Qd3 13.Nc5 Qd8 14.d3 cd3 15.Qd3 Qd3 16.Nd3 Nd5 17.Bg7 Kg7 18.Kf2 Na6 19.Rab1 Rb8 20.Bd5 cd5 21.Nd4 Nc7 22.Nc6 Rb6 23.Na7 Ba6 24.Ra1 Bd3 25.Rfc1 Bc4 26.b5 Nb5 27.Nc6 Rc6 28.Ra5 0–1. axtur777 – Lorpugo, lichess.org, 2019.

4.Ne2 Bg7

5.Ng3 Nc6 6.b5 Ne5 (6...Na5 7.Bc3 c6 8.Ne4=) 7.d4 Ned7 8.Be2 0-0 9.c4 e5 10.de5 (10.0-0 Re8=) 10...Ne5 11.Nd2 Be6 12.0-0 Nfd7 (12...a6 13.f4 Neg4 14.Bd4=) 13.a4 (13.Bd4 f5=) 13...Nc5 14.Rb1 Na4?? (better 14...Qh4=) 15.Qa4+- Qg5 (15...a6 16.ba6 Ra6 17.Qb3+-) 16.Be5 (16.f4 Qh6+-) 16...Be5 (16...Qe5 17.Rfd1+-) 17.Nf3 Qh6 (17...Qf6 18.Ne5 Qe5 19.Rfd1+-) 18.Ne5 de5 19.Qa1 (19.c5 f5+-) 19...f6 (19...Qg7 20.Bf3 Rfb8 21.Rfd1+-) 20.Qc3 (20.Bf3 Rfb8+-) 20...Rad8 (20...c6 21.bc6 bc6 22.Rfd1+-) 21.Bf3 b6 (21...c6 22.bc6 bc6 23.Bc6+-) 22.Ra1 Ra8 (22...Rf7+-) 23.Ba8 Ra8 24.Qd3 (24.f4 c5+-) 24...Qg7 (24...Qh4 25.Ra4 a5 26.f4+-) 25.Ne4 (25.Qe4 Qf8+-) 25...Qe7 26.Ra2 (26.Nc3 Qf7+-) 26...Rd8 (26...f5 27.Nc3+-) 27.Qa3 (27.Qc3!? c5+-) 27...Bc4 (27...Qa3 28.Ra3 Bc4+-) 28.Qe7 (28.Qe7 Bd5 29.Nf6 Kh8 30.Qh7) 1–0. aravind555 (1800) – enjoychess07 (1800), lichess.org, 2020.

4.Nf3 Bg4

5.Be2 Nbd7 6.0-0 c6 7.h3 Be6 8.a3 Qc7 9.d4 0-0-0 (9...Nb6 10.c3+=) 10.Nbd2 d5 (10...Bg7 11.c4 Nb6 12.d5+/-) 11.c4 h6 12.Rc1 g5 (12...dc4!? 13.Bc4 Bc4 14.Nc4 Bg7+/-) 13.cd5 Bd5 14.e4 (better 14.b5 Rg8 15.Bd3+-) 14...Ne4= 15.Ne4 Be4 16.Ne5?? (better 16.b5 Bg7 17.bc6 Bc6 18.Bb5=) 16...Ne5-+ 17.de5 (17.Re1 Bg7 18.Bf1-+) 17...Rd1 18.Rfd1 Bg7 19.Bg4 Kb8 (better 19...e6!? 20.Rd6-+) 20.Rd7 Qb6 21.Rcd1 Rc8 (21...Re8!? 22.Bd4 Qa6 23.e6-+) 22.Bd4 Qb5 23.Bc5 (23.Re7 Rf8 24.Bc5 b6 25.Bd6 Ka8-+) 23...b6 (23...Be5?! 24.Re7 f5 25.Re5-/+) 24.Bd6 (24.a4 Qa4 25.Rd8-+) 24...ed6 25.ed6 Bb2 (25...Bd5 26.Re1 Bf6 27.Ra7 Ka7 28.Bc8-+) 26.Rf7 Bd5 (better 26...Rd8 27.Re7 Bf5 28.Re3-+) 27.d7 (27.Bc8 Kc8 28.Ra7-+) 27...Rd8 28.Rh7 (28.Re7 Ba3 29.Ra1 Qb4-+) 28...Ba3 29.Rd5 (29.Rh6 Qb4 30.f3 Qe7-+) 29...Qd5 30.Rh6 Bb4 31.Be6 (31.Rf6-+) 31...Qd1 32.Kh2 Bd6 33.g3 Qd2 (33...Qf3 34.Rf6 Qf6 35.Kg2 Qe6 36.h4 gh4 37.Kf1 hg3 38.fg3 Bc5 39.g4 Qe4 40.g5 Rf8) 34.Kg2 a5 (better 34...Qd4 35.h4 Qe4 36.Kf1 gh4 37.Rh4 Qe6-+) 35.Rh5 a4 (35...Bc5 36.Rh7 Qf2 37.Kh1 Qg1) 36.h4 gh4 (36...Bc5 37.Kh3 Qf2 38.Rg5 Qf1 39.Kg4 Qe2 40.Kh3 Qe6 41.Kg2 Rd7 42.Rg8 Qg8 43.Kf3 Qd5 44.Kg4 Rg7 45.Kf4 Rf7 46.Kg4 Qf5) 37.Rh4 a3 38.Ra4 Qc3 39.Rf4 Kc7 (39...Bf4 40.gf4 Rd7 41.Bd7 Qg7 42.Kh2 a2 43.Bc8 a1Q 44.Bg4 Qg4 45.f5 Qh8) 40.Rf3 Qb2 41.Bg4 a2 42.Bf5 a1Q 43.Rd3 (43.Rf4 Qbc1 44.Kf3 Qd1 45.Ke3 Qc3 46.Bd3 Qdd3) 43...Qbb1 44.Rf3 (44.f4 Qf1 45.Kh2 Qh1) 44…Qh1 0-1. Gehaktbalmetjus (2055) - Muhtarok (2080), Rated Bullet game, lichess.org, 2019.

5.h3 Be6 6.Ng5=.

5.h3 Bf3 6.Qf3+= d5 (6...c6 7.Bf6 ef6 8.c4+=) 7.c4+- c6 8.cd5 Qd5 9.Qd5 cd5 10.Nc3 (better 10.Bf6 ef6 11.Nc3+=) 10...a6? (better 10...Rg8+=) 11.Nd5!+- Bg7?? (11...Nd5 Exploits the pin 12.Bh8) 12.Nc7 (12.Nc7 Kf8 13.Na8+-) 1–0. Pereira – Paliester, internet, 2021.

4.Nf3 Bg7

5.Nc3=.

5.c4 Bg4 6.Be2 0-0 7.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 d6 6.d4 Bg4 7.Be2).

4.f4 Bg7

5.Be2 0-0 6.Nf3 Bg4 7.0-0 c5 (better is 7...Nbd7!?=) 8.bc5+/- dc5 9.h3 (9.Ne5 Qb6 10.Nc4 Qe6=) 9...Bf3 10.Bf3 (10.Rf3 e6 11.a4=) 10...Qc7 (10...Nc6 11.Nc3+=) 11.Nc3 (11.Be5 Qd7=) 11...Nc6 12.Nd5 Nd5 13.Bg7 Kg7 (13...Ne3 14.de3 Kg7 15.Qd5=) 14.Bd5+= e6 15.Bf3 Rad8 16.d3 b6 17.Qe2 Nb4 18.a3 Na6 (18...Nd5 19.Qf2=) 19.c4 (19.d4 Nb8 20.c3 Nd7+/-) 19...Qd7 20.Rfd1 Nc7 21.e4 (better is 21.a4!?+=) 21...Qd4 22.Kh1 Rd7 23.Qc2 Rfd8 24.Be2 Qf6 (24...Kg8 25.Rf1-/+) 25.g3 Rd4 26.e5 Qe7 27.Rab1 Na8 28.Qa4 Qb7 29.Kh2 Nc7 30.Qc2 Ne8 31.a4 f6 32.a5 fe5 33.ab6 ab6 34.fe5= Nc7 35.Rb3 Na6 36.Rdb1 Nb4 37.Qc3 Qe7 38.Ra1 Qg5 39.Rba3 Qe3 40.Ra7 Kh6 41.Qc1 Qc1 42.Rc1 Rf8 43.Rf1 Rf1 44.Bf1 Nc2 45.Rb7 Ne3 46.Be2 Nf5 47.Rb6 Rd8 48.Re6 Nd4 49.Rd6 Rf8 50.Rf6?? Rf6-+ 51.ef6 Ne2 52.f7? Kg7 53.f8Q Kf8 (54.Kg2 Nc1-+) 0–1. cry – Farren, Live Game Caissa's Web, 2004.

5.Nf3 Nbd7 6.Be2 0-0 7.0-0 c6 8.c4 e5 9.fe5 Ng4 10.Qb3 Nde5 11.Ne5 Be5 12.Be5 de5 13.Qc3 Qg5 14.Na3 Nf6 15.Kh1 Be6 16.d4 Ne4 17.Qc1 Rad8 18.Bf3 Nf6 19.Qc3 e4 20.Bd1 h5 21.d5 Ng4 22.Bg4 Bg4= 23.dc6 Rd3 24.Qb2 bc6 25.b5 Qe3 26.Nc2 Qg5 27.Nb4? Rd2-+ 28.Qc3?? Bf3! 29.Qd2 Qd2 30.gf3 Qb4 31.bc6 Qd6 32.c5 Qc6 33.Rac1 ef3 34.Rf2 Re8 35.Kg1 Re2 36.a3 Qe4 37.Rcf1 Qg4 38.Kh1 Qg2! (38...Qg2 39.Rg2 fg2 40.Kg1 gf1R 41.Kf1 Rh2-+) 0–1. Chiarion,E (1895) – Chierici,M (2035), EYg18, Herceg Novi MNE, 2008.

5.Nf3 Bg4 6.h3 Bf3 7.Qf3 c6 8.a3 Nbd7 9.Bc4 e6 10.d3 d5 11.Bb3 0-0 12.Nd2 Qc7 13.0-0 Nh5 14.Bg7 Ng7 15.e4 f5 16.Rae1 Rae8 17.e5 Kh8 18.g4 Rg8 19.Kh2 Qd8 20.Qg3 Re7 21.Nf3 Ne8 22.Ng5 h6 23.Qh4 Rh7 24.Nf7 Rf7 25.Qd8 g5 26.gf5 Nb6 27.fe6 Rc7 28.fg5 hg5 29.Rf7 Rc8 30.Qe7 1–0. Brodie – Williams, 1974.

5.Nf3 0-0

4.Bf6 ef6

5.Nc3 Bg7 6.d4 f5 7.Nf3 c5 8.bc5 dc5 9.Bb5 Bd7 10.Qd2 0-0 11.0-0 Nc6 12.Rab1 cd4 13.ed4 Qa5 14.Rfe1 Rac8 15.Re2 Be6 16.Bc6= Rc6 17.Nd1 Qa2 18.Rb7+= Bd5 19.Rd7 Bf3=+ 20.gf3 Rfc8 21.c3= Qd2 22.Rd2 R6c7 23.Rc7 Rc7 24.Kf1 Kf8 25.Re2 Bf6 26.Ke1 Re7 27.Ne3 Rc7 28.Nd5+= Rc6 29.Kd2 Bd8 30.Kd3 Re6 31.Rb2 Bb6 32.c4 Rd6 33.Ra2 Rd7 34.Nb6 ab6 35.Ra6 Rb7 36.d5 Ke7 37.Kd4 Kd7 38.Ke5 Ke7? 39.d6+- Kd7 40.Kd5 f6 41.Ra8 f4 42.h4 h5 43.Rh8 b5 44.c5 (44.c5 Rc7 45.Rh7 Kc8 46.Rc7 Kd8 47.c6 Ke8 48.Re7 Kd8 49.c7 Kc8 50.Kc6 b4 51.d7#) 1–0. marus2 – Hrct, internet live, 2001.

5.c4 d5 6.cd5 Qd5 7.Nc3=.

5.c4 Bg7 6.Nc3 f5 7.Nge2 a5 8.b5 0-0 (8...Be6 9.Nf4=) 9.g3 c6 10.Bg2 cb5 11.cb5 Bd7 (11...Re8 12.d4+-) 12.0-0 (12.Bb7!? Ra7 13.Bg2 Re8+-) 12...Qb6 13.Rc1 Be6 14.Nf4 (better 14.d4+-) 14...Rd8?? (better 14...Bc3 15.dc3 Ba2+-) 15.Ncd5+- (15.Ne6?! fe6 16.Bd5 Kf7+-) 15...Qa7 (15...Qb5 16.Nc7 Qb2 17.Rc2+-) 16.b6 Qa6 17.Nc7 Qb6 18.Na8 Qa6 (18...Qb2 19.Rc2 Qb4+-) 19.Nc7 Qb6 20.Nfe6 fe6 21.Ne6 Re8 22.Bd5 (better 22.Rb1 Bb2 23.Nf4 Nc6+-) 22...Kh8 (22...Nc6 23.Rb1 Nb4 24.a3 Nd5 25.Rb6 Nb6 26.Nc7+-) 23.Rb1 Qa6 (23...Bb2 24.Qc2 Qb5 25.Nc7+-) 24.Rb7 (better 24.Nc7 Qd3 25.Rb3 Qf1 26.Qf1 Rc8 27.Rb7 Nd7+-) 24...Nc6 (24...Qb7 25.Bb7 Re6 26.Qa4+-) 25.Rg7 Ne7 (25...Re6 26.Rc7 Re5+-) 26.Qa1 (26.Qa1 Qf1 27.Kf1 h6 28.Re7 Kg8 29.Qg7) 1–0. FeegLood (2690) – Qaig (2150), lichess.org, 2015.

5.c4 Bg7

6.d4 0-0 7.Nc3 Nd7 8.Bd3 f5 (8...c5 9.Nb5=) 9.Nf3+= Nf6 (9...Re8 10.0-0+=) 10.0-0 b6 (10...Re8 11.Rb1+=) 11.b5 Bb7 (11...a6 12.Be2+=) 12.Qb3 (12.a4 a6+=) 12...c5 (12...Bf3 13.gf3 a6 14.a4=) 13.bc6+= Bc6 14.Rac1 (14.Nd5 Re8+=) 14...Rc8 (14...Bf3 15.gf3 Qe7 16.Kg2=) 15.Nb5 Qd7 16.Qa3 Bb5 17.cb5+/- Ne4 18.Qb3 Rc1 19.Rc1+/- Rc8 20.Rc2 Rc7 21.Rc7 Qc7 22.g4 fg4 23.Be4 gf3 24.Bf3 Kf8 25.Qd5 Ke7 26.Qe4+- Kf8 27.Qa8 (27.Qa8 Ke7 28.Qg8+-) 1–0. pcmvr (2225) – bobbs (2320), net–chess.com, 2006.

6.d4 0-0 7.Nc3 Re8 8.Nf3=.

6.d4 0-0 7.Nc3 f5 8.Nf3 c5 9.b5 cd4 10.Nd4 Qa5 (10...f4 11.Qf3 (< 11.ef4 Re8 12.Be2 Qf6-+) 11...fe3 12.fe3= (12.Qe3?? Re8 13.Ne4 f5-+)) 11.Qd2 Re8 (11...Be6 12.Rd1=) 12.Nd5+= Qd2? (better is 12...Qd8+=) 13.Kd2+- Bd4? 14.ed4 Re4 15.Nc7 Rd4 16.Kc3 Rf4 17.f3 Be6 18.Na8 Rc4 19.Bc4 Bc4 20.Kc4 Nd7 21.Rad1 Ne5 22.Kb4 1–0. pierre – ilhw, internet, 2009.

6.d4 0-0 7.Nf3 c5=.

6.d4 c5 7.bc5 dc5 8.Nc3 = (8.dc5? Qd1 9.Kd1 f5-+).

6.Nf3 c5=.

4.h3 Bg7

3.e3 e6

4.a3 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 g6 4.e3).

4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Bg7 8.Ne2 (8.Nf3 0-0=) 8...d5 9.Ng3 (9.Nf4 Qd6=) 9...Bd7 (9...h5 10.Bd4=) 10.c4 (10.Be5 c6=) 10...0-0 11.e4 (11.Qf3 c6=) 11...Qc8 (11...Ne4!? 12.Bg7 Ng3 13.hg3 Kg7=+) 12.Nc3 (better 12.e5 Ne8 13.d4=) 12...Qe8 (better 12...de4 13.Nce4 Ne4 14.Ne4 e5=) 13.e5+- Qe7 (13...Nh5 14.Nh5 gh5 15.Qh5 f6 16.Qe8 Re8 17.cd5 fe5+-) 14.d4 (14.ef6 Qf6 15.Be2 dc4 16.Bc4 Qf4+-) 14...Bc8? (14...Ne8 15.cd5 f6 16.de6 Qe6 17.Qa4+-) 15.b6 (better 15.ef6!? Bf6 16.cd5 ed5 17.Be2+-) 15...Ne8+- 16.Qa4 (better 16.cd5 f6 17.f4+-) 16...Qf6?? (16...Nd7 17.bc7 Nb6 18.Qa2 Nc4 19.Bc4 dc4 20.Qc4 Qc7 21.Qc7 Nc7 22.Nge4=) 17.Nce4 (17.ef6 Nf6 18.bc7 Nc6+-) 17...c6?? (17...Qe7 18.Nd2 Qd8 19.Bb2=) 18.c5 (better 18.ef6 Bh8 19.Qa8 de4 20.Ne4 Na6 21.Qc8 Nd6 22.Qf8 Kf8 23.Nd6 Bf6 24.Nb7 c5+-) 18...de4?? (better 18...Qd8 19.Nd2 Nd7+=) 19.Qb4 (better 19.ef6 Nf6 20.Qc2+-) 19...Qg5 20.Bb5?? (better 20.Qd2 Qh4 21.Bc4-+) 20...f5 (20...Qc1 21.Ke2 Qc2 22.Qd2-+) 21.Qc4 (21.Bc4 Qc1 22.Ke2 Qc2 23.Ke1-+) 21...e3 (21...cb5 22.Qc2-+) 22.Qc1 (22.Ba4 f4 23.Ne2 Qg2-+) 22...Bd7 (22...ef2 23.Kf2 f4 24.Nf5 Qf5 25.Be2-+) 23.Qa3 (23.Bd3 f4 24.Ne4 Qg2 25.Rf1-+) 23...Qg3 (better 23...ef2 24.Kf2 cb5-+) 24.Bc6?? (24.fg3 cb5 25.Qa7 Bc6 26.Qb8 Bg2+-) 24...Bh8 (24...Qf2 25.Kd1 Qd2) 25.Qa4?? (25.fg3 Bc6 26.0-0 e2+-) 25...Bc8 (25...Qf2 26.Kd1 Qd2) 26.Bc3?? (better 26.fg3 Nc6 27.Qa3+-) 26...Bf6 (better 26...Qf2 27.Kd1 e2 28.Kc1 Qf1 29.Kc2 Nc6 30.Qa1 Qg2 31.Kd3 Qf3 32.Kc2 Qe4 33.Kb2 Nd4 34.Rc1-+) 27.Qc4 (better 27.hg3 Nc6 28.Qa8 ef2 29.Kf2+-) 27...Qh4 (better 27...Qf2!? 28.Kd1 Nc6 29.Qe2 Qe2 30.Ke2-+) 28.Bd5 (28.g3 Qg4 (28...Nc6?! 29.gh4 Bh4 30.Ke2 Bf2 31.Be1-/+) 29.f3 Qh3 30.Be8 Qg2-+) 28...f4 (better 28...Qf2 29.Kd1 ed5 30.Qd5 Rf7 31.Qf3-+) 29.0-0 (29.Be6 Be6 30.Qe6 Kh8 31.0-0-+) 29...Nc7 (better 29...ed5 30.Qd5 Kh8 31.ef6 Nf6-+) 30.Qb5?? (30.bc7 Na6 31.Be6 Kh8 32.ef6+-) 30...Qh2! 31.Kh2 Bh4 (better 31...Nb5 32.Bc4 Nc3 33.ef6 Rd8 34.fe3 fe3-+) 32.Rd1 (32.bc7 Na6 33.Bf3 Bf2+-) 32...Rf7 (better 32...Nb5 33.Bc4 Nc3 34.Rc1-+) 33.Bf3 (33.bc7 Na6 34.Be6 Be6 35.Qe8 Kg7+-) 33...Re7 (better 33...Nb5 34.Bb2 ef2 35.Kh3-+) 34.Bb2 (34.bc7 Na6 35.fe3 Nc7+-) 34...Nd7 (better 34...Nb5 35.fe3 fe3-+) 35.Qc6 (better 35.bc7 Bf2 36.Ra1+-) 35...Re8?? (better 35...bc6 36.bc7 ef2 37.Bc6 Bg3 38.Kh1 Rg7-+) 36.Qe4 (better 36.Qc7 Bf2 37.Ra1+-) 0–1. aravind555 – DonaldTrump_Chess, lichess.org, 2020.

4.b5 b6 5.Qf3 d5 (5...Ne4 6.Bh8 Bb7+-) 6.Bf6 Qd6 7.Bh8 f6 (7...a6 8.Nc3+-) 8.Qf6 Be7 (8...a6 9.Nf3+-) 9.Qg7 Qc5 (9...Nd7 10.Qh7 e5 11.c4+-) 10.Qh7 Qc2 11.Qg8 Bf8 12.Nf3 Qb2 13.Bb2 (13.Bb2 d4 14.Ne5+-) 1–0. DEFFM – GuestKPFR, freechess.org, 2018.

4.c4 Bb4 5.Qb3 Bf8 6.Nf3=+ Bg7 7.d4 h6 8.Nc3 b6 9.d5 (9.Bd3 0-0=) 9...0-0=+ 10.e4 (10.Rd1 d6=+) 10...c5 (10...Re8 11.Bd3-/+) 11.Be2 ed5 12.ed5 d6 13.0-0 Bb7 (13...Re8 14.Rfe1=+) 14.a4 Nbd7 15.Nb5 Ne5 (15...Qb8!?=+) 16.Ne5+= de5 17.Be5 Qe7 (better 17...Re8 18.f4 Ne4 19.Bg7 Kg7+=) 18.Bd6?? (better 18.Qb2+/-) 18...Qe2-/+ 19.Bf8 Rf8 (19...Kf8 20.a5 Ng4 21.Rae1=) 20.Rae1=+ Qg4 21.a5 (21.Re7!? Bc8 22.Rfe1=+) 21...Ba6 22.Nc7?? (better 22.Re7 Ne4 23.Qd3-/+) 22...Bb7 (better 22...Bc4 23.h3 Qd4-+) 23.a6? (better 23.ab6!? Qf4 24.Qb5=) 23...Ba8 (23...Bc8 24.Re7-+) 24.Nb5 Nh5 (24...Rd8!?-/+) 25.Na7 Nf4 26.Qg3? (26.Qf3 Qf3 27.gf3 Nd3=) 26...Qf5?? (better 26...Ne2 27.Re2 Qe2-+) 27.Nb5= Nh5 (27...Rd8 28.Qf3+=) 28.Qf3+= Qg5 (28...Qf3 29.gf3 Nf4 30.Re3+=) 29.Nc7 (29.Re3 Nf6+/-) 29...Bd4 (29...Qd8 30.Na8 Qa8 31.Qa3=) 30.Re4+= Nf6 31.Rf4 (31.h4 Qd2 32.Re7 Qa2+=) 31...Nh5 (better 31...Be5 32.g3 Bf4 33.Qf4 Qf4 34.gf4 Rc8-/+) 32.Rg4= Qf6 (better 32...Qd8 33.Nb5 Nf6+=) 33.Rg3?? (33.Qf6 Nf6 (33...Bf6? 34.Re4+-) 34.Rh4 Kg7+/-) 33...Qf3?? (better 33...Ng3 34.hg3 Qe7-+) 34.Rf3+/- (worse 34.gf3 Ng3 35.hg3 Rc8=+) 34...Rc8 (34...Be5 35.Nb5 Re8 36.a7+/-) 35.Nb5 Bg7 (35...Be5 36.Re1 f6 37.g3+-) 36.Rd3 (36.Rf7! Nf6+-) 36...Rd8 (36...Nf4 37.Ra3+/-) 37.Rfd1 (37.Re1 Nf6+-) 37...Nf6 38.Re1 Ne4?? (better 38...Kf8+-) 39.Re4 Bd5 (39...Bc6+-) 40.Rde3 (better 40.Rd5 Ra8 41.a7+-) 40...Bc4?? (better 40...Be4 41.Re1 Bc6-+) 41.Rc4 (better 41.Re8 Re8 42.Re8 Kh7 43.a7+-) 41...Rd1 42.Re1 Re1 0-1. ClayPigeons (2180) - nizzle_fe_shizzle (2225), Rated Bullet game, lichess.org, 2021.

4.Qf3 Bg7=.

4.g4 Bg7 5.Be2 0-0 6.h4 d5 7.h5 Nc6 8.h6 Bh8 9.b5 Ne7 10.g5 Ne8 11.Bh8 Kh8 12.c4 Kg8 13.Qc2 c5 14.cd5 Nd5 15.Qc5 Qg5 16.Qd4 Qf6 17.Qf6 Nef6 18.Nc3 Nc3 19.dc3 Ne4 20.c4 e5 21.Nf3 f6 22.Nd2 Nd2 23.Kd2 Be6 24.Kc3 Rac8 Attacking the backward pawn on c4 25.Rhd1 b6 26.Kb4 Rc7 27.Rd6 Kf7 28.Rc1 Rfc8 29.a4 g5 (29...Rc5 30.Rd2=) 30.a5 ba5 31.Ka5 Bc4 32.Bc4 Rc4 33.Rc4 Rc4 34.Rd7 Kg6 35.Ra7 Rc1 (better 35...Rc2!? 36.b6 Rf2+/-) 36.b6+/- Rb1 37.Rc7 Kh6 38.Rc5 Ra1 39.Kb5 Rb1 40.Kc6 g4 41.Rb5 Rc1 (41...Rd1+-) 42.Kd7 Rd1 (42...Ra1 43.b7 Ra7+-) 43.Ke7 g3 44.fg3 f5 (44...Rg1 45.b7 Rg3 46.b8Q+-) 45.b7 f4 46.b8Q fe3 (46...Rb1 47.ef4 Rb5 48.Qf8 Kh5 49.Qf5 Kh6 50.Qg5) 47.Qe5 (47.Qe5 Rd7 48.Kd7 Kg6 49.Qg5 Kf7 50.Rf5; 47.Qf8 Kg6 48.Qf7 Kh6 49.Qe6 Kg7 50.Qf6 Kg8 51.Qf8) 1-0. is_er_nog_hoop (2655) - Argonavtik (2580), Rated bullet game, lichess.org, 2020.

4.b5 Bg7

4.d4 Bb4

5.c3 Be7 6.Qb3 0-0 7.Nf3 b6 8.Bd3 Bb7 9.Nbd2 Nc6 10.a4 (10.0-0 Na5 11.Qc2 c5=+) 10...d6 11.0-0 Na5 12.Qc2 c5 13.e4 cd4 14.cd4 Rc8 15.Qb1 Qd7 (15...Nd7 16.Rc1=+) 16.e5 (16.Bb5 Bc6 17.Qd3 d5=+) 16...Nd5-/+ 17.ed6 (17.Rc1 Rc1 18.Qc1 f6-/+) 17...Qd6 18.Ne5 (18.Ba3 Qd8-/+) 18...Nf4 (18...Nc3 19.Bc3 Rc3 20.Nef3-+) 19.Be4 (19.Ba3 Qd8 20.Be7 Qe7-+) 19...Be4 (19...Ne2 20.Kh1 Nd4 21.Bb7 Nb7 22.Qe4-+) 20.Ne4 (20.Qe4 Nd5 21.Ba3 Qd8-/+) 20...Qd5 (better 20...Qb4-+) 21.Ng4? (better 21.Ba3 Qd8 22.Be7 Qe7 23.Re1-/+) 21...f5-+ 22.Ne3 (22.Ba3 Qd8 23.Be7 Qe7 24.Ne5 fe4 25.Qe4-+) 22...Qe4 23.Qe4 fe4 24.g3 Nd3 25.Ba3 Ba3 26.Ra3 Nc4 27.Rc3 (27.Nc4 Rc4 28.f3 Rd4 29.fe4 Ne5-+) 27...Ne3 28.Rc8 Nf1 29.Rc7 (29.Rf8 Kf8 30.Kf1-+) 29...Nd2 30.Ra7 Rf2 31.Rb7 (31.Kh1 Nf3 32.Ra8 Kg7 33.Ra7 Kh6 34.Rh7 Kh7 35.d5 Rh2) 31...Nf3 32.Kh1 Rh2 0-1. ClayPigeons (2160) - Dkkoulin (2200), Rated Bullet game, lichess.org, 2020.

5.c3 Bf8 6.Qb3 Bg7 7.Nf3 a5 8.Nbd2 a4 9.Qc2 b6 10.a3 Bb7 11.c4 Nc6 12.Nb1 Na5 13.Nc3 Nb3 14.Rb1 Na5 (14...d6 15.Be2=+) 15.Na4 0-0 16.Nc3 (16.Bd3 Nc4 17.Qc4 Ba6-/+) 16...c5 17.Be2 (better 17.d5!?=) 17...cd4-/+ 18.ed4 Ba6 (18...Rc8!?-/+) 19.Nb5=+ Bb5 20.cb5 Rc8 21.Qd1 Nc4 22.Bc1 (22.Bc4 Rc4 23.0-0 Qc7=) 22...d5 23.0-0 Ne4 24.a4? (better 24.Qe1=+) 24...Nc3-+ 25.Qc2 Nb1 26.Qb1 Ra8 27.Qb3 Ra5 28.Bc4 dc4 29.Qc4 Qa8 30.Ba3 (30.Qc7 Ra4 31.Bf4 Qa5-+ (31...Bd4?! 32.Nd4 Rd4 33.Bh6-/+)) 30...Rc8 31.Qc1?? (31.Qb3-+) 31...Ra4 (better 31...Rc1 32.Bc1 Ra4 33.Be3-+) 32.Qf4 Ra3 33.Ne5 Ra1 (better 33...Be5 34.Qe5 Ra1 35.f3 Rf1 36.Kf1-+) 34.Qf7 Kh8 35.Ng6 (35.Nd3 Rf1 36.Kf1-+) 35...hg6 36.Qg6 Rf1 (better 36...Rcc1 37.Qh5 Kg8 38.h4 Rf1 39.Kh2 Qb8 40.Kh3 Qf4 41.Qe8 Kh7 42.Qh5 Bh6 43.Qg6 Kg6 44.h5 Kh5 45.g3 Rh1 46.Kg2 Rag1) 37.Kf1 Qa1 38.Ke2 Qd4 39.Qh5 Kg8 40.Qg6 Qe5 41.Kf3 Rc3 42.Kg4 Qd4 (better 42...Qe2 43.Kg5 Rc5 44.Kh4 Qf2 45.Kh3 Rc3 46.g3 Qf1 47.Kh4 Rc4 48.Kg5 Qc1 49.Kh5 Qd1 50.g4 Rc5 51.Kh4 Qe1 52.Kh3 Rc3 53.Qd3 Rd3 54.Kg2 Qe2 55.Kg1 Rd1) 43.Kg5 (43.f4 Qd1 44.Kh4-+) 43...Rc5 44.Qf5 Rf5 45.Kg6 Qg4 (45...Qf6) 0-1. ClayPigeons (2170) - nizzle_fe_shizzle (2235), Rated Bullet game, lichess.org, 2021.

4.Qf3 Bb4??

5.Bf6+- Be7 6.Bh8 Nc6 7.Be2 +-.

5.Bf6+- Qf6 6.Qf6 0-0 7.Nc3 (7.a3 Ba5+-) 7...Nc6 8.Nb5 Be7 9.Qf3 f5 (9...Nb4 10.Kd1 c5 11.c3+-) 10.e4 (10.Nc7!? Nb4 11.Rc1 Na2+-) 10...Bf6 11.c3 Ne5 (11...fe4 12.Qe4 Be5 13.d4+-) 12.Qf4 g5 13.Qe3 f4 14.Qa7 (better is 14.Qc5 c6 15.Nc7+-) 14...Ra7 15.Na7 d5 16.Bb5 (better is 16.d4 Nf7 17.Rb1 Nd6+-) 16...c6 17.Ba4 Bd7 18.Rb1 b5 19.Bc2 Ra8 20.d4 Ng4 (better is 20...Ra7 21.ed5 Nc4 22.de6 Be6+-) 21.e5 Be7 22.h3 Nh6 23.h4 Ra7 (23...gh4 24.Nb5 cb5 25.Rb2+-) 24.hg5 Bg5 25.Nf3 Ra2 (25...Nf7 26.Rh7 Be7 27.Rb2+-) 26.Bd3 (better is 26.Bb3 Ra8 27.Ng5+-) 26...Nf7 27.Rh7 Ra3?? (27...Be7 28.g3+-) 28.Rc1 (28.Ng5 Ng5 29.Rd7 f3 30.gf3 Kf8+-) 28...b4? (28...Be7+-) 29.Ng5 Rc3 (29...Ng5 30.Rd7 Rc3 31.Rc3 bc3+-) 30.Ra1 Rd3 (30...Ra3 31.Ra3 ba3 32.Nf7 a2 33.Nh6 Kf8 34.Rh8 Kg7+-) 31.Ra8 Bc8 (31...Nd8 32.Rd8 Be8 33.Re8) 32.Rc8 Nd8 33.Rd8 1–0. Rettkowski,Marcel – Lausch,Axel, remoteschach.de, 2002.

4.Nf3 Bb4

5.c3 Be7 6.d4 0-0 7.Nbd2 b6 8.c4 Bb7 9.Bd3 d5 10.Qc2 dc4 11.Nc4 (11.Bc4 Nc6=+) 11...Nc6 (11...Na6 12.Be2-/+) 12.a3=+ b5 (12...a6 13.0-0=+) 13.Nce5= Ne5 14.de5 Nd5 (better 14...Bf3 15.gf3 Nd5 16.Bb5 c5=) 15.0-0-0 (15.Bb5 c6 16.Bd3 Ba6 17.Ba6 Qa5 18.Nd2 Qa6=) 15...Qc8 (better 15...b4!? 16.a4 Qe8-/+) 16.Bb5=+ c6 17.Bc4 a5 (17...Ba6 18.Bb3=+) 18.Rd4 (18.Kd2 Ba6=) 18...Ba6 19.Rhd1 Bc4 20.Rc4 Qb7 21.Nd4 Attacking the isolated pawn on c6 (21.Kd2!?=) 21...c5-/+ 22.Nf3 Rab8 23.h4 h5 24.Rg1 Nb6 25.Rf4 Qc6 (25...c4 26.Nd2 Rfc8-+) 26.g4= hg4 (26...hg4 27.Rfg4 Qe8+-). Gehaktbalmetjus (2080) - tirompo (2050), Rated Blitz game, lichess.org, 2019.

5.c3 Bf8 6.d4 Bg7 7.Be2 0-0 8.0-0 d5 9.Nbd2 c5 10.Qb3 cd4 (10...c4 11.Qc2-/+) 11.cd4=+ Nc6 12.Rfc1 Na5 13.Qa3 Re8 14.Bc3 Nc6 15.Rab1 Bf8 16.Bb5?? (better 16.Qb3=) 16…Ba3-+ (16...Ba3 17.Bb2 Bb2 18.Rb2 Bd7-+) 0-1. Gehaktbalmetjus (2055) - Readyourmind (2100), Rated Bullet game, lichess.org, 2020.

5.Be2 0-0 6.0-0 Re8 7.a3 Bf8 8.c4 Bg7 9.d4 d5 10.Nc3 dc4 11.Bc4 Nbd7 12.Rc1 Nb6 13.Bd3 Nbd5 14.Nd5 (14.Qc2 Nc3 15.Bc3 c6=) 14...Nd5 (14...ed5 15.Qc2 c6 16.Ne5=+) 15.Qc2 c6 16.g3 Bd7 17.e4 Qf6 (17...Nb6=+) 18.ed5 (18.Ne5!? Nb6 19.a4=) 18...Qf3-/+ 19.dc6?? (better 19.Be4 Qf6 20.dc6 Bc6 21.Bc6-/+) 19...Bc6-+ 20.d5 (20.Qc6 bc6 21.Bc2-+) 20…Bd5 (20...Bd5 21.Be4 Be4 22.Qe4 Qe4-+) 0-1. Gehaktbalmetjus (2070) - ciclonite (2030), Rated Bullet game, lichess.org, 2020.

5.Be2 0-0 6.a3 Be7 7.d4 Nd5 (7...d5 8.0-0=+) 8.0-0 Bf6 9.c4 Nb6 10.Nbd2 Bg7 11.Qc2 c5?? (better 11...d6=) 12.dc5+- Bb2 13.Qb2 Na4 14.Qb4 b5 (14...Na6 15.Qa4 Nc5+-) 15.Qb5 (better 15.cb5 Nc5 16.Qc5+-) 15...Nc3= 16.Qb3 Ne2 17.Kh1 Qa5 18.Rfe1?? (better 18.Qd3+=) 18...Nc3-+ 19.Rac1 (19.Rec1 Na4 20.Qb5 Nc6-+) 19...Na4 20.Ne4 (20.Qb5 Nc6-+) 20...f5 21.Nd6 Nc5 22.Qc3 Ne4?? (better 22...Qc3 23.Rc3 Nc6-+) 23.Ne4 (23.Qa5 Nd6 24.Nd4 Ba6+-) 23...fe4?? (better 23...Qc3 24.Nc3 Bb7+=) 24.Qa5+- Nc6 25.Qc7 ef3 26.gf3 Ba6 (26...Rf3 27.Kg2 Rf7+-) 27.Qd7 Ne5 (27...Nd8+-) 28.Qe6 Nf7 29.f4 (29.Qa6 Rfe8+-) 29...Rae8 (29...Bb7 30.Kg1+-) 30.Qf6 (30.Qa6!? Re7+-) 30...Nh6 (30...Bb7 31.Kg1+-) 31.Qh4 (better 31.Qa6 Re7 32.c5+-) 31...Nf5 32.Qh3 Bb7 33.Kg1 h5 (33...Bc6 34.Qg4+-) 34.c5 Bc6 35.a4! Kg7 (35...Ba4 36.c6 Passed pawn) 36.a5 a6 (36...Re4 37.Red1+-) 37.Red1 Re7 38.Rd6! Be4 (38...Nd6 39.cd6 Passed pawn) 39.Rg6! Kg6 40.c6 (better 40.f3 Bc6 41.e4+-) 40...Kf6?? (40...Rc7 41.Qf1 Nh4 42.Qa6 Rd8=) 41.c7 (better 41.f3 Bd3 42.e4 Rg8 43.Kf2 Be4 44.fe4 Re4 45.Qf3+-) 41...Rg8+/- 42.Kf1 Bg2?? (42...Bd3 43.Ke1 Rg1 44.Kd2 Rc1 45.Kc1 Rc7 46.Kd2 Be4+=) 43.Qg2+- Rg2 (43...Rc7 44.Rc6 Rc6 45.Qc6 Kg7 46.Qa6+-) 44.Kg2 (better 44.c8Q Nd6 45.Qa6 Rg6 46.Qd6 Kf7 47.Qd5 Kg7+-) 44...Rc7 (44...Rg7 45.Kh3 Ne7+-) 45.Rc7 Ne3 (45...Ne3 46.fe3 Ke6+-). Gehaktbalmetjus (2095) - theguy2 (2090), Rated Bullet game, lichess.org, 2019.

5.Be2 0-0 6.c3 Be7 7.d4 d6 8.0-0 b6 9.Nbd2 Bb7 10.Bd3 Nbd7 11.e4 Re8 12.Qc2 Bf8 13.Rfe1 Bg7 14.h3 e5 15.d5 (15.Rad1 a6=+) 15...Qe7 16.Nb3 Rac8 17.Rac1 c6 18.dc6 Bc6 19.Qd2 (19.c4 Nh5-/+) 19...Nc5 20.Nc5 dc5 21.Bb1 Red8 22.Qe2 Qd7 (22...Nh5 23.Rcd1-/+) 23.Rcd1 (23.Ne5 Qe8 24.Nc6 Rc6=) 23...Qb7 (better 23...Qe6!?-/+) 24.Rd8= Rd8 25.Rd1? (better 25.Ne5 Nd7 26.Nc6 Qc6 27.f4=) 25...Be4?? (better 25...Rd1 26.Qd1 Qe7-/+) 26.Rd8+- Bf8 27.Be4 Ne4 (27...Qe4 28.Qe4 Ne4 29.Ne5+-) 28.Ne5 Nf6 (28...Qe7 29.Rf8! Kf8 30.Qe4+-) 29.Qd3 (29.Ng4 Ne4 30.c4 f6 31.Bf6 h5 32.Nh6 Kh7 33.Rf8 Nf6 34.Rf7 Qf7 35.Nf7 Kg7 36.Nd6 Nd7 37.Qe7 Kh6 38.Nf7 Kg7 39.Nd8 Kh6 40.Ne6 g5 41.Qg7) 29...Qe7 30.Nc6 (better 30.c4!? a6+-) 30...Qe1 31.Kh2 Qf2 32.Bc1 (better 32.Qf3 Qf3 33.gf3+-) 32...c4 (32...Kg7 33.Rf8 Qh4 34.Ne5 Kf8 35.Qd8 Kg7 36.Qc7+-) 33.Qe3 (better 33.Rf8 Kg7 34.Qd8 Qc5+-) 33...Qe3 34.Be3 Kg7 35.Bd4 Bc5 36.Bc5 bc5 37.Na7 Ne4 38.Rc8 (38.Nb5 Kf6+-) 38...Nc3 39.Rc5 Na2 40.Rc4 Kf6 41.Nc6 Ke6 42.g4 Kd5 43.Rc2 Nb4 (43...h6+-) 44.Nb4 Kd4 45.Na2 (45.g5 Ke5+-) 45...Ke5 46.Rc3 (46.Re2 Kf6+-) 46...Kf6 (46...f5 47.Rc7+-) 47.Kg3 h6 48.h4 Ke6 49.g5 hg5 50.hg5 Kf5 51.Kh4 f6 (51...Ke6 52.Rc6 Kd7 53.Rf6+-) 52.Rf3 (52.Rf3 Ke6 53.gf6 Kd6 54.f7 g5 55.Kg5 Kd7 56.Nc3 Kd6 57.f8Q Kd7 58.Rf6 Kc7 59.Qe7 Kc8 60.Rf8) 1-0. Gehaktbalmetjus (2100) - platonegorgia (2190), Rated Bullet game, lichess.org, 2019.

5.g4 0-0 6.c4 Ng4 7.h4 h5 8.Ng5 Be7 9.f4 Bf6 10.d4 c5 11.Qd2 cd4 12.ed4 Nc6 13.d5 Bb2 14.Qb2 ed5 15.cd5 Qa5 16.Nc3 Nb4 17.a3 Nd5 18.Bc4 Nc3 19.0-0 Qc5 20.Kg2 Qc4 21.Rac1 Ne3 22.Kf3 Nf1 23.Rc3 Qd5 24.Kf2 Nh2 25.Re3 Ng4 0–1. Abdullaevich (1815) – Ali_Ahmet72 (1920), lichess.org, 2020.

3.e4 Nc6

4.e5 Nd5+=.

4.e5 Ne5? 5.Be5+- Bg7 6.Bc4 0-0 7.Nf3 d6 8.Bb2 e6 9.0-0 b6 10.d4 Bb7 11.Nbd2 d5 12.Bd3 Nd7 13.c4 Re8 14.cd5 ed5 15.Re1 c5 16.bc5 bc5 17.dc5?? Bb2 18.Rb1 Bc3?? 19.Rb7 Nc5 (20.Re8 Qe8+-; 19...Re1 20.Ne1 Nc5 21.Rb5+-). b4_player – GW_Busch (1680), GameColony.com, 2002.

4.b5 Na5

5.Nc3 Bg7 6.Nd5 e6 7.Nf4 d6= 8.Qf3 e5 9.Nd5 Bg4?? 10.Qc3 Nd5= 11.Qa5 b6 12.Qa3 Nf4 13.Qe3 0-0 14.Ne2?? Be2-+ 15.g3 Bf1 16.gf4 Bb5 17.f5 Qh4 18.fg6 fg6 19.Qg3 Qe4 (20.Kd1 Qh1 21.Qg1 Qg1) 0–1. burbank – jetcloud, Caissa.com, 2004.

3.e4 d6

4.b5 a6 5.c4 (5.Nc3 ab5 6.Bb5 c6=) 5...c6 (5...Bg7 6.Nf3=+) 6.ba6 (6.bc6 Nc6 7.Nc3 Bg7=) 6...Ra6 7.c5 Ra5 8.cd6 Qd6 (better is 8...ed6 9.Nf3 Bg7=) 9.e5 (better is 9.Bc3 Ra8 10.Nf3=) 9...Re5-/+ 10.Be2 Rd5 (10...Rg5 11.g3-/+) 11.Nc3 (11.Nf3 Bg7-/+) 11...Rg5 12.Bf3 Bg7 (12...e5 13.h4 Rf5 14.g4-/+) 13.Ne4 0-0?? (better is 13...Qe6 14.Ne2 Ra5-/+ (14...Ne4?! 15.Bg7 Rg8 16.Bd4=)) 14.Ng5 (better is 14.Nd6!? ed6 15.Ne2 Nbd7+-) 14...Bg4 (14...h6 15.N5h3+-) 15.h3 (15.Bg4!? Ng4 16.Bg7 Kg7+-) 15...Bf3 16.N1f3 (better is 16.N5f3 Nbd7 17.Qc2+-) 16...Ng4?? (16...h6 17.Nf7 Rf7+-) 17.Ne4 (better is 17.Bg7!? Nf2 18.Kf2 Kg7+-) 17...Qe6 (17...Qf4 18.Bg7 (18.hg4?! Qe4 19.Qe2 Qe2 20.Ke2 Bb2+-) 18...Kg7 19.Qb1+-) 18.Bg7 (18.Nfg5 Qd5 19.Bg7 Kg7 20.Qg4 h6+-) 18...Kg7 (18...Qe4 19.Qe2 Qe2 20.Ke2 Kg7 21.hg4+-) 19.d3 (better is 19.Nfg5!? Qe5 20.hg4 h6+-) 19...Ne5 20.Nfg5 (20.0-0 b6+-) 20...Qd7 (20...Qd5 21.d4 Rd8 22.0-0 Qd4 23.Qb3+-) 21.Nc5 (21.d4!? Nc4+-) 21...Qd5 22.0-0 (22.Nb7?! Qg2 23.Ke2 Qg5=) 22...Qc5 23.d4 Nf3 (23...Qd5 24.de5 Qe5 25.Qd2+-) 24.Nf3 (24...Qa3 25.Qe2+-; < 24.gf3 Qg5 25.Kh1 Qh4=+; 24.Qf3?! Qg5 25.Rfb1 b5+-) 1–0. MasterofDisaster – slicin, Live Game Caissa's Web, 2004.

4.b5 Bg7 (--> 3.e4 Bg7 4.b5 d6).

4.Bb5 Bd7 5.Bd7 Nbd7=.

4.c4 Bg7 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.e4 d6).

4.Bc4 b6 5.Nf3 Bb7 (5...Bg7 6.e5 de5 7.Ne5 0-0 8.Qf3 c6 9.b5 Bb7 10.Na3 Qc8 11.Qb3 e6=; 5...e6 A) 6.0-0 Bg7 (6...c6 7.Re1 Bg7 8.e5 Nd5 9.a3 0-0 10.Nc3 de5 11.Ne5 Qc7+=; 6...Bb7 7.Re1 Bg7 8.d3 0-0 9.a4 a5 10.b5 d5 11.ed5 ed5+=) 7.Re1 0-0 8.Qe2 a6 9.Nc3 d5 10.Bd3 Nc6 11.b5 ab5=; B) 6.e5 d5 (6...de5 7.Ne5 Bb7 8.Bb5 Ke7 9.f3 a6 10.Bc4 Bg7 11.0-0 Qd6+=) 7.Be2 Nh5 8.b5 a6 9.a4 Nf4 10.0-0 c5 11.bc6 Nc6=) 6.Bf6 ef6 7.Nc3 (7.0-0 a5 8.b5 Bg7 9.Re1 0-0 10.d4 Re8 11.Nbd2 Qd7+/-) 7...Bg7 8.0-0 0-0 (8...c6 9.d4 b5 10.Bd3 a5 11.Qb1 Na6+=) 9.d4 Re8 (9...c6 10.Rb1 Re8 11.Re1 b5+=) 10.Qd2 (10.Qd3 c6 11.d5 Qc8+=) 10...Nc6 (10...c5 A) 11.dc5 dc5 12.Qd8 Rd8 13.Bd5 Bd5 14.Nd5+= (14.ed5? f5-+); B) 11.Rae1 f5=) 11.Bd5 (11.a3 Qd7+=) 11...Rb8 (11...a6 12.a4+=) 12.b5+/- Nb4? (better is 12...Ne7+/-) 13.Bb7+- Rb7 14.a3 Nc2? (14...d5 15.ab4 de4+-) 15.Qc2 Bh6 (15...Qd7 16.Nd5+-) 16.Nd5 Bf8 (16...Kg7 17.Qc6 Qb8 18.Rfe1+-) 17.Qc6 Qb8 (17...Rb8 18.Qe8! Qe8 19.Nf6 Kg7 20.Ne8 Re8+-) 18.Nf6 Kg7 19.Ne8 (19.Ne8 Kg8 20.Rfc1+-) 1–0. pierre – ti_123456, internet, 2011.

4.Bc4 Nbd7 5.Nf3 Bg7? (5...Nb6 6.Bb3=) 6.Na3?? (better is 6.Bf7 Kf8 7.Ng5+-) 6...e5 (6...0-0 7.Qe2=) 7.Ng5 (7.Qe2 Nb6=) 7...0-0 8.d3 Nb6 (8...d5 9.ed5 Nb6 10.0-0 (10.Be5? Qe7 11.0-0 Qe5-+) 10...Nfd5 11.Bd5 Nd5 12.Nf3+=) 9.Nf7 (9.0-0!?=) 9...Rf7+= 10.0-0? (better is 10.Bf7 Kf7 11.0-0+=) 10...Nc4-+ 11.Nc4 Rf8 (11...Be6 12.Qe1-+) 12.f4 Bg4 13.Qd2 (13.Qe1 ef4 14.Rf4 Be6-+) 13...ef4 (13...Bh6 14.g3-+) 14.Rf4 (14.Qf4 Be6 15.Qe3-+) 14...Bh5 (better is 14...Bh6-+) 15.Raf1 Bh6 (better is 15...Qe7-+) 16.Bf6?? (better is 16.Rf6 Bd2 17.Rf8 Qf8 18.Rf8 Kf8 19.Nd2+=) 16...Rf6-+ 17.g3 (17.Rf6 Bd2 18.Nd2 Bd1-+) 17...Bf4 18.Rf4 Rf4 19.Qf4 Qf8 (19...Qe7 20.Qe3-+) 20.Qe3 (20.Ne3 Qf4 21.gf4 Rf8-+) 20...Qf3 (20...d5 21.Nd2 Qb4 22.ed5-+) 21.a3 (21.Qf3 Bf3 22.h3 Re8-+) 21...Rf8 (better is 21...Qd1 22.Kg2-+) 22.Qf3 Bf3 23.Ne3 (23.a4 g5-+) 23...Kg7 (better is 23...Kf7-+) 24.d4 (24.h3-+) 24...Be4 25.c4 (25.a4 Rf3 26.Ng2 Rc3-+) 25...Rf3 26.Ng2 Ra3 27.Nf4 Rb3 (27...Ra4 28.Ne6 Kf6 29.Nc7 Rb4 30.Kf2 Rc4 31.Ke3-+) 28.c5 (28.b5 Kf6 29.Kf2 d5 30.cd5 Rb5-+) 28...Rb4 29.cd6 (29.Ne6 Kf6 30.Nc7 dc5 31.dc5 Ke5-+) 29...cd6 30.h4 (30.Kf2 d5-+) 30...a5 31.Kf2 (31.Ne6 Kf6 32.Ng5 Bd5-+) 31...a4 32.Ke3 a3 33.Ke4 a2 0–1. pauloenter (2040) – atlantan (2040), net–chess.com, 2006.

4.Bc4 e5 5.Nc3=.

4.Bc4 e6 5.Nf3 Bg7 6.0-0 0-0 7.d3 Nc6 8.a3 a6 9.Nbd2 b5 10.Ba2 a5 11.ba5 Na5 12.Nd4 Bd7 13.f4 c5 14.N4f3 Qb6 15.Kh1 (15.Rb1 Nb7=) 15...Ng4 (better is 15...Ne4!? 16.Bg7 Nd2 17.Qd2 Kg7-/+) 16.Qc1 Nc6 17.Bg7 Kg7 18.h3 Nh6 19.Rb1 Qc7 20.Rb5 Nd4 (20...Nb4! 21.Qb2 Kg8 22.Rb4 cb4 23.ab4 Rfb8+=) 21.Nd4+/- cd4 22.Rg5 (22.Rb4 Rfc8 23.Rd4 Qc2+/-) 22...Rac8 23.Nc4 d5 24.ed5 ed5 25.Rd5 Be6 26.Re5 Bc4 27.Bc4 Nf5 28.Rf5 gf5 29.Qb2 Rcd8 30.Qb5 Qd7 31.Qe5 f6 32.Qe1 Kh8 33.Qh4 Rde8 34.Rb1 Re7 35.Qh6 Rg7 (better is 35...Qe8!?+/-) 36.Qf6!+- Qe7 (36...Rf6 37.Rb8 Mate attack) 37.Qd4 Qe2 38.Bd5 Qc2 (38...Rd8 39.Qa1 Re8+-) 39.Rb7 Qc1 40.Kh2 Qf4 41.Qf4 (41.Qf4 Rb7 42.Bb7+-) 1–0. Spelleken,Hans Gerd (1640) – Mook,Karl Juergen, Karl Mala Memorial op, 2009.

4.Bc4 Be6 5.Bf6 ef6 6.Be6 (6.Qe2 a5 (6...Qe7 7.Be6 fe6 8.Nf3 Bg7 9.d4 0-0 10.c3 a5 11.b5 f5=; 6...Nc6 7.Be6 fe6 8.Nf3 d5 9.b5 Nb4 10.d3 a6 11.ed5 Qd5=; 6...c5 7.bc5 dc5 8.Nf3 Bd6 9.Bd5 Bd5 10.ed5 Qe7 11.Nc3 Na6=; 6...Nd7 7.Nf3 a5 8.b5 Bg7 9.d4 0-0 10.0-0 Re8 11.Be6 fe6+=) 7.ba5 Ra5 8.d4 Bg7 9.Nf3 0-0 10.0-0 Bg4 11.Nbd2 f5=; 6.Bd5 c6 (6...Nc6 7.c3 f5 8.b5 Bd5 9.ed5 Ne7 10.Qb3 Bg7 11.Nf3 0-0+=) 7.Be6 fe6 8.Nc3 d5 9.Rb1 b5 10.a4 a5 11.ba5 b4-/+) 6...fe6 7.Nc3 (7.Nf3 d5 8.Qe2 Nc6 9.ed5 Nb4 10.Qe6 Be7 11.Kd1 Qd5=) 7...Nd7 (7...Bg7 8.Nf3 (8.Qe2= 0-0 9.Nf3 Qd7 10.0-0 f5 11.Rae1 Nc6=) 8...0-0 9.Qe2 Qe7 10.0-0 f5 11.Rae1 Nc6=) 8.Nf3 (8.Nge2 Qe7 9.d4 0-0-0 10.0-0 Bg7 11.Nb5 c6=) 8...Nb6 (8...Bg7 9.Qe2 Qe7 10.0-0 0-0 11.Rae1 a5=) 9.0-0 d5 (9...Qd7 10.Qe2 0-0-0 11.Rfe1 d5=) 10.Nd4 (10.a3 d4 11.Ne2 e5=) 10...Qd7 (better is 10...Kf7 11.ed5 ed5= (11...Nd5+=)) 11.Qg4 (11.ed5 e5 (worse is 11...Nd5 12.Ne6 Nb4 13.Re1+/-; worse is 11...Bb4 12.Ne6 Kf7 13.Rb1 Bc3 14.dc3+/-) 12.Ne6 Bb4=) 11...f5 (11...e5!? 12.Ne6 c6 (12...Bb4?! 13.Nd5 Nd5 14.ed5 Bd2 15.Qf3+=) 13.ed5 cd5-/+) 12.ef5= gf5 (12...ef5 13.Qe2 Kf7 14.Nf3=) 13.Qg5+= Bb4 (13...Qe7!? 14.Qg3 Kd7+/-) 14.Ne6!+/- Qe6? (better is 14...Qf7 15.Nb5 Kd7+/-) 15.Rae1+- Qe1 16.Re1 Kd7 17.Qf5 Kc6 18.Re6 Kc5 (18...Bd6 19.Nd5! Nd5+-) 19.d4! Kd4 (19...Kd4 20.Qd3 Mate attack) 20.Qd3 Kc5 21.Qb5 Kd4 22.Ne2 1–0. pierre – ti_123456, internet, 2011.

4.Bd3 Bg7 5.e5 (5.Nf3!?=) 5...de5 (5...Nd5 6.a3-/+) 6.Be5 Nc6 7.Bc3 Be6 (7...Qd6 8.a3+=) 8.b5 Nd4 9.Bd4 (9.Ne2!? Ne2 10.Qe2=) 9...Qd4-/+ 10.Nc3 0-0 (10...Bd5 11.Nf3 Qg4 12.Rg1-/+) 11.Nf3 (11.Nge2 Qh4-/+) 11...Qd8 (11...Qg4 12.h3 Qh5 13.Be2+=) 12.0-0+= Nd5 13.Rb1? (better is 13.Ng5!? Nc3 14.dc3+=) 13...Nc3 (13...Bc3 14.dc3 Nc3 15.Qd2 Nb1 16.Qh6+=) 14.dc3 Bc3 (14...Ba2 15.Ra1 Bd5 16.Be2-+) 15.a4 (15.Qe2!?-/+) 15...Ba2-+ 16.Be4 (16.Rc1 Bb2-+) 16...Bb1 17.Qb1 Rb8 18.Rd1 Qc8 19.Ng5 (19.Qb3 Bg7 20.c4-+) 19...Qg4 20.Rd3 (20.Rd5 c6 21.Qd1 A) 21...cd5? 22.Qg4 de4 23.Qh3+- (worse is 23.Qe4 Rbd8 24.Qf3 h6+=; worse is 23.Ne4 Rbc8 24.Qe2 Rfd8+=); B) 21...Qf4-+) 20...Qg5 (better is 20...Bf6 21.Nh7 Kh7-+ (worse is 21...Qe4 22.Nf8 Kf8 23.Rd1-+)) 21.Rc3 f5?? (better is 21...Qf4 22.Qe1 Rfd8-+) 22.Bd5+= Kh8 23.Rc7 Rbd8 (23...Rfc8 24.Rc8 Rc8 25.Bb7-/+) 24.Bf3 (24.c4 Qf6=) 24...Qd2 (24...Rd4 25.Qa1 e5 26.Rb7+=) 25.Re7 (25.Rb7 Rd7 26.Rd7 Qd7 27.Qa1 Kg8=) 25...Rc8 (better is 25...Qc3=) 26.Bc6?? (26.h3 Rfd8 A) worse is 27.Bb7 Rc2 (worse is 27...Qc2 28.Qc2 Rc2 29.Bf3+/-) 28.Qa1 Rd4-+; B) 27.Qb2 Rd4 B1) 28.Bb7? Rc2 29.Qb3 Qf2 30.Kh2 Qf4 31.Qg3 Qg3 32.Kg3 Ra4-+; B2) worse is 28.Rb7 Rc2 29.Qa3 Rb4-/+ (29...Qf2 30.Kh2 Rd8 31.Qe7 Qg1 32.Kg1 Rg2 33.Kg2 Rd2 34.Kf1 Rd1 35.Bd1 g5 36.Qh7); B3) 28.Re2+=) 26...bc6?? (better is 26...Rfd8 27.Bb7 Rc2 28.Qa1 Rd4-+) 27.Qb2 Rf6 (27...Qd4 28.Qd4 Rf6 29.Qf6 Kg8 30.Qg7) 28.Qf6 Kg8 29.Qg7 1–0. rabelloenter (1960) – atlantan (2010), net–chess.com, 2006.

4.d4 e5 5.Nf3 Bg4 6.d5 (6.de5!? Bf3 7.gf3 de5 8.Qd8 (worse is 8.Be5 Bb4 9.c3 Bd6 10.Bb5 Nc6 11.Bc6 bc6=) 8...Kd8 9.Be5 Bb4 10.Nc3+=) 6...Bg7 (6...Ne4!? 7.h3 Bd7+=) 7.Nc3= Nbd7 8.h3 Bf3 9.Qf3 0-0 10.Bc4 c5 11.bc5 Nc5 12.0-0 a6 13.Qg3 (better is 13.a4+=) 13...b5 14.Be2? (better is 14.Bb3!?-/+) 14...b4-+ 15.Nd1 Nce4 (better is 15...Nfe4 16.Qe3 Qh4 17.Bc1-+) 16.Qh2? (better is 16.Qd3-+) 16...Qb6 (16...Bh6 17.c4-+) 17.Ne3 Nd2 (17...Bh6 18.Nc4 Qc5 19.g3-+) 18.Rfd1 (18.Rfe1-+) 18...Nde4 19.Rf1 Bh6 20.Kh1 (20.Nc4 Qc5 21.g3-+) 20...Be3 21.fe3 Qe3 22.Rae1 (22.Rf6 Nf6 23.Bd3-+) 22...Ng3 23.Qg3 Qg3 24.Kg1 (24.Rd1 Qe3 25.Bd3 Nd5-+) 24...Ne4 (better is 24...Rfc8 25.Bd1-+) 25.Bf3 Nd2 26.a3 Nf3 27.Rf3 Qe1 28.Rf1 Qe3 29.Rf2 Rfc8 30.ab4 Rc2 0–1. Cruz Vera,Javier – Rodriguez Sabater,Lucia Iris, San Cristobal ESP, 1st Verano Open, 2012.

4.Qe2 Bg7 5.Nc3 0-0 6.0-0-0 a5 7.b5 a4 8.h4 a3 9.Ba1 h5 10.Nh3 c6 11.e5 de5 12.Ng5 (12.Qe5!? Nd5 13.Qg3-/+) 12...cb5 13.Nb5 Nc6 14.d4 ed4 15.f3? (15.Nd4 Qb6 16.Qb5 Qc7 17.Nc6 bc6-+) 15...Qd5 (better 15...e5!?-+) 16.c4 Qc5 17.Nd4 Nd4 18.Bd4 Qb4 19.g4 (better 19.Qe1!? Qa4 20.g4 (20.Qe7?? Bf5 21.Qe2 Rfe8-+) 20...hg4 21.Qe7-+) 19...hg4-+ 20.h5 (20.Qe1 Qe1 21.Re1-+) 20...Bf5 21.h6 Rfd8 22.h7 (22.Qe5 Qb1 23.Kd2 Qa2 24.Ke1-+) 22...Nh7 23.Rh7 (23.Ne4 Bd4 24.Rd4 Rd4-+) 23...Qb1 (23...Bd4 24.Rd3 Bd3 25.Rh8 Bh8 26.Qe5 Be5 27.Bd3 Bf4 28.Kc2 Qd2 29.Kb3 Rd3) 24.Kd2 Rd4 25.Ke1 Rd1 26.Qd1 Qd1 (26...Bc3 27.Ke2 Bd3 28.Ke3 Qd1 29.Rh8 Kh8 30.fg4 Bd2 31.Kd4 Rd8 32.Kc5 Be3 33.Kb4 Qb1 34.Ka3 Ra8) 27.Kd1 f6 (better 27...Bf6 28.fg4 Bg5 29.Rh2 Bg4 30.Kc2-+) 28.c5 (28.fg4 Bg4 29.Be2-+) 28...fg5 29.Rh2 gf3 30.Bc4 e6 31.Rf2 g4 (31...g4 32.Ke1 Ra4-+) 0-1. is_er_nog_hoop (2625) - Feanor_64 (2705), Rated blitz game, lichess.org, 2020.

4.Be2 e5 5.Nc3 Nc6 6.Bb5 Bd7 7.a3 Bg7 8.Nf3 0-0 9.0-0 Bg4 10.Bc6 bc6 11.h3 Be6 12.d4 ed4 13.Nd4 Bd7 14.Qd3 Nh5 15.Rad1 Nf4 16.Qe3 Bh6 17.Qf3 Qg5 18.Bc1 Qh4? (better is 18...Qf6+=) 19.g3+- Qh3 20.gf4 Qh4 21.Qg3 Qe7 22.f5 Bg7 (22...Bc1 23.Rc1 a5 24.f4+-) 23.Bg5 Qe8 24.f6 Bh8 25.Bh6 (25.b5 cb5 26.Nd5 h5+-) 25...Bf6 26.Bf8 Qf8 27.Qe3 Re8 28.Kg2 Re5 29.Nce2 Bg7 30.Nf3 Bh6 (30...Re7 31.Ned4+-) 31.Qa7 f5 (31...Re7+-) 32.Ne5 (32.Ne5 Be8 33.Qc7 de5 34.Qe5+-) 1–0. memco286 (1870) – vladica (1875), gameknot.com, 2013.

4.Be2 Bg7+= 5.h4 (5.Nf3 0-0+=) 5...0-0 (5...Nbd7 6.Nf3-/+) 6.d3 (6.h5 Nh5 7.Bg7 Ng7+= (worse is 7...Kg7 8.Bh5 gh5 9.Qh5+-)) 6...e5 (6...Na6!?-/+) 7.h5+= Be6 (7...gh5 8.Nf3 a6+=) 8.Bc1 (8.h6 Bh8+=) 8...Nbd7 (8...gh5 9.Nf3-/+) 9.hg6 (9.h6 Bh8+=) 9...fg6+= 10.Bh6? (10.Nf3 a5 11.Ng5 Re8 12.Ne6 Re6 13.ba5 Ra5=) 10...Qe7 (10...Bh6 11.Rh6 a5 12.ba5-+) 11.Qd2 (11.Bg7 Kg7 12.Qd2 d5-/+) 11...Bh6-+ 12.Qh6 Qg7 (12...d5 13.Nd2 a5 14.b5-/+) 13.Qg5 (13.Qg7 Kg7 14.Nf3 a5-/+) 13...Qf7 (better is 13...c5 14.b5 d5-/+) 14.a3? (14.Nc3 a5 15.b5 Ng4+=) 14...Ne8?? (better is 14...a5-+) 15.Qh4 (15.Nf3 a5 16.Qg3 Nef6=) 15...Qg7 (15...a5 16.Nf3 Nef6 17.b5=) 16.Nf3= Rf4 17.Qh2 Nf8 (17...Qe7 18.Nc3=) 18.g3 (18.Ng5 c6+=) 18...Rf6= 19.Ng5 Rc8 (19...c6 20.Nc3+=) 20.Nc3 c6 (20...c5 21.Ne6 Ne6 22.Nd5+/-) 21.0-0-0+/- Rc7 (21...a5!?+/-) 22.f4 ef4 23.gf4 h5? (better is 23...h6 24.Qh6 Rf4+/-) 24.Rdg1+- Re7 (24...c5 25.b5 Qh6 26.Kb2+-) 25.f5! Bf5 (25...gf5 26.Bh5 Deflection) 26.ef5 Rf5 27.Kb2 Nf6 (27...Nc7 28.Nge4 (28.Qd6 Nb5 29.Qe7 Qc3 30.Kb1 Na3 31.Ka2 Nc2-+) 28...Nb5 29.Qh3+/-) 28.Bf3 (28.Kb3 a5+-) 28...Ree5 (28...Re3 29.Kb3+/-) 29.d4 (29.Qd2 Ne6 30.Ne6 Re6+-) 29...Re7 (29...Re3 30.Qd6 Rg5 31.Rg5 Rf3 32.Re1+-) 30.Be2 (30.Qd6 Re3 31.Re1 Re1 32.Re1 Qd7+-) 30...d5 (30...Nd5 31.Nd5 cd5 32.Bh5 Qd4 33.Kb1+-) 31.Bd3 (31.Qh4 Ne6 32.Ne6 Re6+-) 31...Ne4? (31...Ng4 32.Rg4 hg4 33.Bf5 gf5 34.Qf4+/-) 32.Nce4 (32.Be4!? de4 33.Qd2 Rd7+-) 32...de4 33.Bc4 Kh8 34.c3 Nh7?? (34...Qf6 35.Nh3 b5+-) 35.Ne6 Qf7 (35...Qf6 36.Qb8 Nf8 37.Nf8 Qf8 38.Rh5 Kg7+-) 36.Nf4 Rf4 37.Bf7 Ref7 38.Qg3 (38.Qg3 Rg4 39.Qe5 Kg8 40.Rg4 hg4 41.Rh6+-) 1–0. Viloria,Daniel – Berrio,Ana, ATL–ch2a Barranquilla, 1999.

4.a3 Bg7

5.Nc3 Ne4!? 6.Nf3 0-0-/+.

5.Nf3 0-0=.

4.Nc3 c6

5.d4 Bg7 6.Bd3 0-0 7.Nf3 Bg4 (7...Qb6 8.a3=) 8.h3+= Bf3 (8...Bd7 9.0-0+=) 9.Qf3 Qb6 10.a3 a5 (10...Qd4?? 11.Na4 Ne4 12.Bd4 (12.Be4?! Qc4+/-; 12.Qe4?! Qe4 13.Be4 d5+/-) 12...Bd4 13.Qe4 Ba1 14.Qe7+-) 11.Na4 Qa7 (11...Qc7 12.c4=) 12.b5 cb5 (12...Nfd7 13.bc6 bc6 14.Qe3+=) 13.Bb5 Nfd7 (13...Na6 14.e5 Ne8 15.Rd1+=) 14.Rd1 (14.c3 e5+/-) 14...Nc6+= Now all is on d4 15.0-0 Rfd8 (15...Rac8 16.c3+=) 16.c3+/- Nb6 (16...Qb8 17.Rb1+/-) 17.Qd3 (17.Bc1 d5+/-) 17...Na4 (17...Rac8 18.c4+=) 18.Ba4 Rac8 19.Rfe1 Qb6 20.Ba1 (20.Bc1 h6+/-) 20...Qc7 21.Rb1 ½–½. Woschkat,Karl_Heinz – Banko,Dean, IECG, 1999.

5.d4 Bg7 6.Nf3 0-0=.

4.Nc3 Bg7

5.Rb1 A) 5...Nc6 6.Bb5 (6.b5 Nd4 7.Bc4 Ne4 8.Ne4 d5 9.Bd3 de4 10.Be4 f5 11.Bd3+=; 6.a3 Nd4 7.Bc4 e5 8.Nge2 c6 9.Nd4 ed4 10.Ne2 Ne4 11.0-0=) 6...Bd7 7.Bc6 Bc6 8.d3 0-0 9.Nf3 Bd7 10.0-0 c6 11.a4=; B) 5...0-0 6.Nf3 (6.a3 c6 7.Nf3 b5 8.d4 a5 9.d5 ab4 10.ab4 Qb6 11.Bd3=) 6...a6 7.Be2 Nbd7 8.0-0 a5 9.b5 Nc5 10.d3 a4 11.a3=; C) 5...a6 6.Nf3 (6.Bc4 b5 7.Bb3 Nc6 8.Nd5 e6 9.Nf6 Bf6 10.Qf3 Bb2 11.Rb2=) 6...0-0 7.Be2 Nc6 8.a3 e5 9.0-0 d5 10.ed5 Nd5 11.Bd3=.

5.Bb5 c6 6.Bd3 0-0=.

5.d3 0-0 6.h3 (6.Nf3 a5 7.b5 a4=) 6...Nbd7 (6...e5 7.Nf3+=) 7.Nf3= a6 8.Nd5 (8.Be2 c5 9.bc5 Nc5=) 8...Nd5+= 9.Bg7 Kg7 10.ed5 Qe8 (10...Nf6 11.c4=) 11.d4 (11.Be2!?=) 11...Nf6+= 12.Bd3 Nd5 13.a3 Nf4 (13...a5 14.ba5 Qa4 15.0-0+=) 14.0-0+= Bd7 15.Re1 Qc8 16.Ng5 (16.Bf1 Ba4=) 16...h6 17.Nf3 Nd3 (17...Re8 18.Rb1+=) 18.Qd3 Bf5 19.Qc3 Qd7 (19...Re8 20.d5 Kh7 21.Nd4=) 20.Rad1 (20.g4 Bg4 21.hg4 Qg4 22.Kf1 Rfe8+=) 20...Rac8 (20...d5 21.Ne5 Qd6 22.Re3+=) 21.d5 (21.g4 Bg4 22.hg4 Qg4 23.Kf1 e6+=) 21...Kg8 22.Nh4 (22.g4 Bg4 23.hg4 Qg4 24.Kh2 e5=) 22...Rfe8 (22...e5 23.g4 Qe7 24.Nf5 gf5 25.gf5+=) 23.Rd2 (23.g4!? Bg4 24.hg4 Qg4 25.Ng2=) 23...c6+= 24.Qe3 cd5 25.Rd5 Be6 26.Rd2 (better is 26.Qh6!? Bd5 27.Ng6 fg6 28.Qg6 Kf8 29.Qh6 Kf7 30.Qh7 Kf6 31.Qh6 Kf7 32.Qh7 Kf8 33.Qh6 Kf7=) 26...Kh7 27.Nf3 Bc4 (27...b5 28.Kh2-/+) 28.Ne5 Qe6 (28...Qf5 29.Ng4 Qg5 30.Qg5 hg5 31.Rd6-/+) 29.Nc4 Qc4 30.Qf3 Rc7 (30...b6 31.Qb7+=) 31.Re4 (better is 31.Rd4 Qa2 32.Rd6=) 31...Qc3?? (better is 31...Qa2=) 32.Qe2 (better is 32.Qf7 Qg7 33.Qe8+-) 32...Qc6 (32...Qa3!? 33.Kh2 Qc1-+) 33.c4 e6 (33...b5 34.cb5 ab5 35.Rh4-/+) 34.Qd3 Rd7 35.Rh4 d5 36.Qe3 h5 37.cd5 (37.Rhd4 b5 38.cd5 Rd5=) 37...Rd5-/+ 38.Re2 (38.Rdd4 Red8-/+) 38...Rd1 39.Kh2 Qd6 40.g3 Qd5 41.f3 (41.Qe4 Rc8-/+) 41...Rd8 (41...Rd3 42.Qe4 Qe4 43.fe4 Ra3 44.e5-+) 42.g4 (42.Re4 Qd3-/+) 42...Rd3 43.Qe4 Qe4 44.fe4 (44.Re4? Rf3 45.gh5 Rd2 46.Kg1 g5-+ (worse is 46...Ra3 47.hg6 Kg6 48.Rhg4 Kf6 49.Ref4 Ke7 50.Rg2 Rd1 51.Kh2-+)) 44...g5 (44...Ra3!? 45.gh5 g5-+) 45.Rh5-/+ Kg6 46.e5 Ra3 47.Rf2 Rg8 (better is 47...f5 48.ef6 Rb3+=) 48.Rf6+= Kg7 49.Rg5 Kf8 50.Rg8 Kg8 51.Rf4 (51.g5!?=) 51...Re3-/+ 52.Rc4 Re5 53.Rc8 (53.Kg3 Re3 54.Kg2 b5-/+) 53...Kg7 54.Rc7 (54.Rc4 a5 55.ba5 Ra5-/+) 54...Rb5 55.Rc4 b6 56.Kg3 a5 57.ba5 ba5 58.Ra4 f6 59.Kh4 Kg6 60.Kg3 f5 61.gf5 ef5 62.h4 Kh5 63.Ra3 Kg6 64.Kf4?? (64.Ra4 Kh6 65.Kf3-/+) 64...Kf6 (better is 64...Rb4!? 65.Ke5 Rh4 66.Ra5 Re4 67.Kd5 Re1-+) 65.Kf3-/+ Kg6 66.Kg3 (66.Kf4 Rb4 67.Ke5 Rh4 68.Ra5 Re4 69.Kd5-+) 66...Kh5 67.Kh3? (better is 67.Ra4 Rd5 68.Kf3-/+) 67...f4-+ 0–1. Steve20 – Skean Du, ChessWorld.net, 2006.

5.Bd3 Nc6 6.b5 Ne5 7.Be2 Be6 8.d4 Nc4 9.Bc4 Bc4 10.a4 c5 11.dc5 Ne4 12.Qf3? (12.Ne4 Bb2 Pinning (12...Bb2 Deflection; 12...Bb2 Clearance)) 12...Nc5 (12...Qa5 13.Ra3 d5 14.Nge2-+) 13.Nge2 Qa5 14.Ra3 (14.Qe3 0-0-+) 14...Qb4 (14...Qb4 15.Bc1 a6 16.ba6 Ra6-+) 0–1. Poetzsch,Dieter – Voss,EW, ICCF–Cup8 V131 corr, 1990. (=1.e4 d6 2.b4 Nf6 3.Nc3 g6 4.Bb2 Bg7)

5.d4 Nc6 6.b5 Na5 (6...Nb8 7.Bd3 a6 8.a4 0-0 9.Nf3 c5 10.dc5+=) 7.Nf3 Bg4 8.h3 Bf3 9.Qf3 Nd7 10.Nd5+=.

5.d4 Bd7 6.Nf3 0-0 (6...c5 7.bc5 dc5 8.Bc4 cd4 9.Nd4 Qa5 10.0-0+=; 6...a6 7.Be2 0-0 8.0-0 c5 9.bc5 dc5 10.d5+=) 7.Be2 c5 8.bc5 dc5 9.0-0 Bg4 10.dc5+=.

5.d4 e5 6.de5+/- de5 7.Qd8 Kd8 8.Nf3 Nfd7 (better is 8...Re8!?+/- 9.Rd1 Ke7 10.Ne5+/-; 8...Nbd7 9.Bc4 Ke7 10.b5+/-) 9.Ng5+- Ke7? (better is 9...Rf8 10.Nh7 Rg8+-) 10.Nd5 Kd8 (10...Kf8 11.Nc7 Nb6+-) 11.Nf7 Ke8 12.Nh8 Bh8 13.Nc7 Kd8 14.Na8 1–0. Woschkat,Karl_Heinz – Borchardt,Simone, THT, 2000.

5.d4 Be6 6.Nf3 a5 (6...0-0 7.Be2 c5 8.bc5 dc5 9.d5 Bg4 10.Rb1+=) 7.b5 a4 8.Bd3 0-0 9.a3 d5 10.Qe2+=.

5.d4 Bg4 6.Be2 Be2 7.Qe2 (7.Nge2 0-0 8.0-0 c6 9.a3 Nbd7 10.Qd3=) 7...Nc6 8.Nf3 Nd7 9.Nd5 a6 10.a3+=.

5.d4 h6 6.Nf3 Bd7 (6...Bg4 7.h3 Bd7 8.Bc4 Nc6 9.a3 0-0 10.0-0+=; 6...a5 7.b5 0-0 8.Be2 a4 9.0-0 Nbd7 10.a3+=; 6...a6 7.Be2 0-0 8.0-0 c5 9.bc5 dc5 10.Rb1+=; 6...0-0 7.Rb1 (7.a3 a5 8.Bd3 ab4 9.ab4 Ra1 10.Ba1=; 7.Be2 c5 8.a3 Bg4 9.0-0 Nc6 10.bc5=) 7...a5 8.b5 d5 9.e5 Nh7 10.Bd3+=) 7.Bc4 0-0 8.0-0 Bg4 9.Be2 c5 10.e5+=.

5.Nd5 A) 5...e5 6.Bb5 (6.Nf6 Qf6 7.Nf3 0-0 8.Bc4 Be6 9.Qe2 Nc6 10.b5 Nd4 11.Nd4=) 6...c6 7.Nf6 Qf6 8.Be2 0-0 9.Nf3 a5 10.ba5 Qf4 11.d3=; B) 5...0-0 6.Nf6 (6.Bc4 Ne4 7.Bg7 Kg7 8.Qe2 Nf6 9.Nf3 Nd5 10.Bd5 a5 11.b5-/+) 6...Bf6 7.Bf6 ef6 8.Bd3 d5 9.Ne2 de4 10.Be4 Qe7 11.Bf3=; C) 5...Nbd7 6.Nf3 (6.Qf3 c6 7.Nf6 Nf6 8.Be2 0-0 9.h3 e5 10.c4 Be6 11.a3+=; 6.Bc4 c6 7.Nf6 Nf6 8.Nf3 0-0 9.e5 Nd5 10.Bd5 cd5 11.0-0+=; 6.Rb1 0-0 7.Qf3 c6 8.Nf6 Nf6 9.Be2 e5 10.a3 Be6 11.d4+=) 6...0-0 7.Bd3 Nd5 8.Bg7 Kg7 9.ed5 Nb6 10.c4 a5 11.ba5=.

5.d4 0-0

6.a3 a5 7.b5 (7.Nf3 Bg4 8.Be2 c6 9.0-0 b5 10.h3=; 7.Be2 ab4 8.ab4 Ra1 9.Ba1 c5 10.bc5=) 7...Nbd7 8.Nf3 Re8 9.Bd3 e5 10.de5=.

6.a3 c5 7.Rb1 Bg4 8.f3 cd4 9.Qd4 Be6 10.Qd2=.

6.a3 c5 7.bc5 dc5 8.e5 Ng4 9.dc5 Ne5 10.Qd8-/+.

6.a3 c5 7.Be2 Nc6 8.Nf3 cb4 9.ab4 Nb4 10.0-0+=.

6.a3 c5 7.Nf3 cd4 8.Qd4 Nc6 9.Qd3 Nd7 10.Rd1 Nde5 11.Ne5=.

6.a3 c5 7.Nf3 cd4 8.Nd4 Nc6 9.Nc6 bc6 10.Bd3=.

6.a3 c6 7.Bd3 (7.Be2 a5 8.Nf3 Qb6 9.ba5 Ra5 10.Rb1=; 7.Nf3 a5 8.b5 Bd7 9.bc6 Nc6 10.Rb1=; 7.h3 c5 8.Nf3 Nc6 9.bc5 dc5 10.d5=; 7.Qd2 c5 8.dc5 dc5 9.Qe3 cb4 10.ab4=) 7...Bg4 8.Nge2 a5 9.b5 Qb6 10.f3=.

6.a3 Nc6 7.Nf3 (7.b5 Nb8 8.Nf3 a6 9.a4 c5 10.Be2=; 7.d5 Ne5 8.f4 Ned7 9.Bd3 Nb6 10.Nge2=; 7.h3 a6 8.Nf3 d5 9.e5 Ne8 10.Bd3=) 7...d5 8.e5 Ne8 9.Bd3 f6 10.b5=.

6.a3 Be6 7.Nf3 a5 8.b5 d5 9.e5 Ne8 10.Bd3+=.

6.Bc4 A) 6...Nc6 7.b5 (7.a3 Ne4 8.Ne4 d5 9.b5 Na5 10.Bd3+=) 7...Na5 8.Bd3 c5 9.Nf3 d5 10.ed5=; B) 6...Ne4 7.Ne4 d5 8.Bd3 de4 9.Be4 Nd7 10.Nf3=.

6.Qd2 c5 7.bc5 (7.b5 cd4 8.Qd4 a6 9.Nd5 Nbd7 10.Qb4+=) 7...dc5 8.Nge2 cd4 9.Nd4 Qb6 10.Na4+=.

6.Qd2 e5 7.d5 c6 8.Bc4 b5 9.Bb3 a5 10.dc6 Nc6 11.Nb5 Nb4?? (11...Ne4 12.Qe3 Nf6 13.Qd2-/+) 12.a3 (12.Nd6!? Qe7 13.a3+=) 12...Qb6 (worse 12...Ne4 13.Qe2 Bb7 14.ab4 ab4 15.Ra8 Ba8 16.Nh3+=) 13.Nd6 (worse 13.ab4 Qb5 14.Ra4 Ba6=+) 13...Nc2 14.Qc2 (worse 14.Bc2 Qb2 15.Rb1 Qa3-/+) 14...Qd6 15.Nf3 Ba6 16.Be5 Qb6 (16...Qe7 17.Rd1=) 17.Bd4 Qb7 18.e5 Ng4 19.h3 (better 19.Bc4!? Bc4 20.Qc4 Qe4 21.Qe2 Qe2 22.Ke2=) 19...Ne5-/+ 20.Be5 Be5 (20...Rae8 21.Qc3 Qb5-/+) 21.Ne5= Qg2 (21...Rac8 22.Nc4 Qg2-/+) 22.Qc6+/- Qg5 23.Nf7 Rfe8 24.Kd1 Qh5?? (24...Be2 25.Kc2 Qf5 26.Kb2 Qf2 27.Nd8 Bc4 28.Kc3 Qe3 29.Kc4 Red8-+) 25.Kc1 (25.f3 Be2 26.Kd2 Qf3 27.Qf3 Bf3 28.Ne5 Kg7 29.Nf3 Rad8 30.Kc1 Re3+-) 25...Kg7?? (25...Rec8 26.Nd6 Kg7 27.Nc8 Rc8 28.Qc2-/+) 26.Nd6 (26.Qc3 Kf8 27.Qh8 Ke7 28.Re1 Be2 29.Qg7 Rac8 30.Kb2+-) 26...Qg5 (better 26...Rec8 27.Nc8 Rc8-/+) 27.Kb2?? (27.Kd1 Red8 28.Kc2=+) 27...Re2-+ 28.Bc2 (28.Qc2 Qe5 29.Kb1-+) 28...Qe5 (better 28...Rb8 29.Nb7 Qe5 30.Ka2 Bb7 31.Qd7 Kh6 32.Qd3 Bd5 33.Qb3 Rc2 34.Kb1 Qb2 35.Qb2 Rbb2) 29.Kb3?? (better 29.Ka2 Qe6 30.Kb1 Rb8 31.Kc1-/+) 29...Rb8 30.Ka4 (30.Nb7 Bb7 31.Qd7 Kh6 32.Qd2 Rd2 33.Rab1 Bh1 34.Ka2 Rc2 35.Rb2 Qb2) 30...Qd4 31.Ka5 Bb5 (31...Re5 32.Nb5 Reb5 33.Qb5 Rb5 34.Ka6 Qb6) 32.Qc7 (better 32.Nb5!? Qd8 33.Ka4 Rc8+-) 32...Kh6 33.Nf7 (33.Qb8?! Qc3 34.Kb6 Qc6 35.Ka5 Qc3 36.Kb6 Qc6 37.Ka5 Qc3=) 33...Kh5 34.Qb8 Qc5 (34...Qc3 35.Kb5 Qb2 36.Ka5 Qb8=) 35.Qb6 (better 35.Qb5 Qb5 36.Kb5 Rc2+-) 35...Qc3 36.Kb5 Rc2 37.Rab1 (better 37.Qa5 Qf6 38.Kb4 g5 39.Qg5 Qg5 40.Ng5 Kg5+-) 37...Qc4 38.Ka5 Qc3 (38...Qf7 39.Rhc1 Rf2+-) 39.Ka6 Qa3 40.Qa5 Qa5 41.Ka5 Rf2 42.Rb5 Kh4 43.Nh8 1-0. is_er_nog_hoop (2575) - vanImpe (2595), Rated blitz game, lichess.org, 2022.

6.Be2 c5 7.bc5 (7.e5 de5 8.de5 Nfd7 9.bc5 Be5 10.Nf3-/+; 7.a3 Nc6 8.bc5 dc5 9.d5 Nd4 10.Rb1+=) 7...dc5 8.e5 Nfd7 9.e6 fe6 10.dc5+=.

6.Nf3 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Bg4 10.Be2=.

6.Nf3 a5 7.ba5 c5 8.Rb1 Qa5 9.Qd2 Nc6 10.d5+=.

6.Nf3 a5 7.b5 a4 8.h3 (8.Bd3 c5=) 8...a3 (8...c5 9.a3=) 9.Bc1 c6 (9...c5 10.bc6 Nc6 11.Rb1=) 10.Rb1 Be6 (10...c5 11.Be3=) 11.bc6+= bc6 12.Ng5 Qc8 (12...Qd7 13.Bd3+=) 13.Be2 h6 (13...Re8 14.Be3+=) 14.Ne6 Qe6 15.Qd3 Qd7 (15...Nfd7 16.0-0+=) 16.Rb3+/- Ra5 (16...Qe6 17.Ba3 Re8 18.0-0+-) 17.Ra3 (17.Ba3 Na6+/-) 17...Ra3 18.Ba3 Qa7 19.Bc1 Nfd7 20.Be3 c5 21.dc5 (21.d5 Qa3 22.Bd2 Qb2+/-) 21...Nc5 22.Qc4 Qa3 (22...Nbd7 23.Nd5 e6 24.Nc3=) 23.Nb5 (23.Nb1 Qa5 24.Bd2 Qa8=) 23...Qb2 24.0-0 Nbd7 25.Bc1 Qe5 26.Bd3 Nb6 (26...Ra8 27.f4 Qh5 28.Nc7=) 27.Qb4 Ra8 (27...Nbd7 28.Be3+=) 28.Nc7 Rb8 29.Nd5 Nbd7 30.Qc4 Kf8 31.Be3 (31.Bf4 Qe6+=) 31...e6 (31...Qb2 32.Nc7+=) 32.Nb4 Nb6 (32...Qb2 33.Bc5 Nc5 34.Na6 Na6 35.Qa6+=) 33.Qb5 Nbd7 34.Nc6 Rb5 35.Ne5 Ra5 36.Nd7 Nd7 37.Bc4 Ke7 38.Re1 h5 (38...Nc5 39.f3+=) 39.Bd2 Ra7 (39...Rc5 40.Bb3+=) 40.Bg5 f6 (40...Bf6 41.Bf6 Nf6 42.Bb3+=) 41.Bd2 Rc7 (41...Nc5 42.Bb4+=) 42.Bb3+/- Nc5 43.Bb4 Bh6 (43...Rb7 44.a3+/-) 44.a3 (44.g3 Rc8+/-) 44...Bf4 (44...h4 45.g3+/-) 45.g3 Be5 46.Kg2 (46.f4 Bd4 47.Kf1 g5+/-) 46...Bd4 (46...g5 47.Kf3+/-) 47.Rd1 e5 48.f3 (48.Bd5 Na4+/-) 48...f5 49.Bd5 Na4 50.c4 (50.ef5 gf5 51.Bb3 Nb2+/-) 50...Nb2 (50...Nb6 51.Kh1+/-) 51.Rc1 Nd3 52.Rb1 Nb2 (52...Ra7 53.ef5 gf5 54.Kf1+/-) 53.Bd2 (53.Kh2 Rc8+/-) 53...Kf6 (53...Ra7 54.ef5 gf5 55.Bb4+/-) 54.h4 Ra7 (54...Ke7 55.Rc1+/-) 55.Bc1 Nd3 56.Bg5 Kg7 57.Rb8 Threatening mate... how? 57...Ra3?? (57...fe4 58.fe4 Nf2 59.Rg8 Kh7+-) 58.Rb7 (58.Rb7 Kf8 59.Be7 Ke8 60.Bc6 Kf7 61.Bd6 Ke6 62.Ba3+-) 1–0. Kilpatrick,Robert – Bird,Greame H, corr SCCA cand, 1987.

6.Nf3 a5 7.b5 c5 8.Be2 cd4 9.Nd4 Nbd7 10.0-0=.

6.Nf3 c5 7.a3 Bg4 8.Be2 Nc6 9.bc5 dc5 10.d5=.

6.Nf3 c5 7.bc5 dc5 8.Qd3 cd4 9.Nd4 Qb6 10.Nb3+=.

6.Nf3 c5 7.bc5 dc5 8.e5 Nd5 (8...Ng4 9.Ne4=) 9.Nd5 (9.dc5 Be6+=) 9...Qd5= 10.c3 (10.c4 Qc6=) 10...cd4 11.cd4 Bg4 12.Be2 (12.Qb3 Qe4 13.Qe3 Bf3 14.gf3 Qc2=) 12...Nc6 13.0-0 (13.Qb3 Qa5 14.Bc3 Qd8 15.Qb7 Rc8+/-) 13...Rad8 (13...Rac8 14.Qb3 Be6 15.Qe3= (15.Qb7? Rb8 16.Qa6 Rb2-+)) 14.Qe1 (14.Qb3 Bh6=) 14...f6=+ 15.Rc1 Qd7 (15...b5=+) 16.d5 (16.ef6 Bf6 (16...Rf6? 17.d5+-) 17.Bc4 Kg7+=) 16...Bf3 (16...Qd5 17.Bc4 Bf3 18.gf3 (18.Bd5?! Bd5 19.e6 Rd6+/-) 18...Qc4 19.Rc4 fe5 20.Qe2+-) 17.ef6 (17.Bf3 Ne5 18.Be5 fe5=) 17...Bf6 (17...Be2 18.fg7 Rfe8 19.dc6 Qd3+-) 18.Bf3= Bb2 19.dc6 bc6 20.Bc6 Qd6 21.Rb1 (21.Rc2 Be5 22.h3 Bh2 23.Kh1 Bf4=) 21...Be5 22.h3 (22...e6 23.Qe3=). Seack,Ingo – Law, corr 3GMM–12, 1995.

6.Nf3 c6 7.Bd3 (7.Be2 Qb6 8.a3 a5 9.ba5 Qa5 10.0-0=) 7...a5 8.b5 cb5 9.Nb5 d5 10.e5+=.

6.Nf3 Nc6 7.b5 Na5 8.Bd3=.

6.Nf3 Nbd7 7.Bc4 c5 8.bc5 dc5 9.0-0 cd4 10.Qd4=.

6.Nf3 Nbd7 7.Bd3 c5 8.a3 Qb6 9.e5 de5 10.dc5+=.

6.Nf3 Nbd7 7.Be2 c5 8.bc5 dc5 9.0-0 cd4 (9...Qb6 10.Rb1+=) 10.Qd4+= Qa5 (10...Nb6!?+=) 11.e5+/- Ng4 (better is 11...Ne8!? 12.Nd5 e6 13.Ne7 Kh8+/-) 12.Qg4+- Ne5 13.Qf4 Bf5 (13...Rd8 14.Rfe1+-) 14.Nd1 Nf3 15.Qf3 (15.gf3?! Bh3=) 15...Bb2 (15...e5 16.Bd3 Bd3 17.cd3+-) 16.Nb2 Bc2 17.Nc4 Qc7 18.Rfc1 (18.Rfc1 Ba4 19.Qe3+-) 1–0. Rosner,Dirk – Berlossi,M, corr EU/I/1800 (year?).

6.Nf3 Nbd7 7.Be2 e5 8.de5 Ne5 9.Ne5 de5 10.a3=.

6.Nf3 Nbd7 7.Be2 e5 8.de5 Ne5 9.Ne5 de5 10.Qd8=.

6.Nf3 Bg4 7.a3 a5 8.Be2 c6 9.0-0 b5 10.Re1=.

6.Nf3 Bg4 7.b5 c5 8.Be2 Qa5 9.0-0 Rc8 10.Qd3+=.

6.Nf3 Bg4 7.Bc4 c5 8.dc5 dc5 9.Qd8 Rd8 10.Ne5=.

6.Nf3 Bg4 7.Be2 c5 8.a3 Nc6 9.bc5 dc5 10.d5=.

6.Nf3 Bg4 7.Be2 c5 8.a3 e6 9.0-0 Nc6 10.dc5 dc5 11.b5=.

6.Nf3 Bg4 7.Be2 Nbd7 8.h3 Bf3 9.Bf3 e5 10.d5 Nb6 11.Qe2 c6 12.dc6 bc6 13.0-0-0 (13.Rd1!?+=) 13...Qc7 14.Kb1 Rfd8 15.g4 d5 16.g5 Ne8 (better is 16...de4!? 17.Ne4 Nfd5 18.Nf6 Bf6 19.gf6 Nb4=) 17.ed5+= cd5 18.Nd5 Nd5 19.Rd5 Rd5 20.Bd5 Rb8 21.a3 Nd6 (better is 21...a5!? 22.b5 Qd8+=) 22.Be5+/- Be5 23.Qe5 Re8 24.Qf4 Qc3?? (better is 24...a5+-) 25.Qd6 Re2 26.Rc1 Qa3 (26...Rf2 27.Qb8 Kg7 28.Qa7 Rf4+-) 27.Qd8 Kg7 28.Qf6 Kg8 29.Qf7 Kh8 30.Qf6 1–0. usingprogram – vldikez, internet, 2011. (=1.e4 d6 2.b4 Nf6 3.Nc3 g6 4.Bb2 Bg7)

6.Nf3 Bg4 7.e5 de5 8.de5 Nfd7 9.h3 Bf3 10.Qf3+=.

5.d4 a5

6.a3 ab4 7.ab4 Ra1 8.Qa1 0-0 9.Nf3 Bg4 10.b5=.

6.a3 Bd7 7.Nf3 (7.b5 0-0 8.e5 Ne8 9.Nf3 c6 10.Be2=) 7...0-0 8.b5 c6 9.bc6 Nc6 10.Rb1=.

6.a3 Nbd7 7.Be2 (7.Bd3 ab4 8.ab4 Ra1 9.Qa1 e5 10.Nf3=; 7.Nf3 0-0 8.Bd3 e5 9.0-0 ed4 10.Nd4=) 7...ab4 8.ab4 Ra1 9.Qa1 Nb6 10.Nf3=.

6.a3 Bg4 7.Be2 ab4 8.ab4 Ra1 9.Qa1 Nc6 10.Bg4+=.

6.ba5 0-0 7.Rb1 Ra5 8.Nf3 c6 9.Bd3 Na6 10.a3=.

6.ba5 0-0 7.Qd3 c6 8.Nf3 Qa5 9.Nd2 d5 10.e5+=.

6.ba5 0-0 7.Bd3 c5 8.dc5 Qa5 9.cd6 Ne4 10.de7=.

6.ba5 0-0 7.Be2 c5 8.Nf3 Qa5 9.0-0 cd4 10.Nd4=.

6.ba5 0-0 7.Nf3 c5 8.Rb1 Qa5 9.Qd2 Nc6 10.d5 Nd4 11.Bd3+=.

6.ba5 Ra5 7.Be2 (7.Nf3 0-0 8.Be2 d5 9.e5 Nh5 10.Qd2=; 7.Bd3 Nc6 8.Nge2 Nb4 9.Bc4 d5 10.Nd5=; 7.Rb1 0-0 8.Nf3 c6 9.Bd3 Na6 10.a3=; 7.Bc4 c6 8.Bb3 b5 9.e5 de5 10.de5=) 7...c6 8.Nf3 b5 9.e5 de5 10.de5=.

6.ba5 c6 7.Bd3 (7.e5 Nd5 8.Nd5 cd5 9.Nf3 de5 10.Ne5=; 7.Nf3 Qa5 8.Qd2 0-0 9.a3 Bg4 10.Be2=; 7.a6 Na6 8.Nf3 0-0 9.Be2 b5 10.e5+=; 7.Qd2 Ra5 8.Bd3 Na6 9.Nf3 Bg4 10.Be2=) 7...Qa5 8.Nge2 0-0 9.0-0 b5 10.a4=.

6.ba5 Nbd7 7.a6 (7.Nf3 0-0 8.a6 ba6 9.Rb1 Rb8 10.Bd3=; 7.Bd3 c5 8.d5 Qa5 9.Qd2 c4 10.e5-/+; 7.Be2 c5 8.Nf3 0-0 9.a6 ba6 10.Rb1=; 7.Rb1 Ra5 8.Nf3 0-0 9.Bd3 c6 10.a3=) 7...b6 8.Bb5 Ba6 9.Bc6 Ra7 10.e5=.

6.ba5 Bg4 7.f3 (7.Nf3 Ra5 8.h3 Bf3 9.Qf3 0-0 10.d5=; 7.Be2 Be2 8.Qe2 Ra5 9.Nf3 0-0 10.0-0=; 7.Bb5 c6 8.Be2 Be2 9.Nge2 Qa5 10.0-0=; 7.Qd2 Ra5 8.Be2 Be2 9.Nge2 c6 10.0-0=) 7...Bd7 8.e5 Nh5 9.Nce2 e6 10.h4=.

6.b5 a4 7.Nf3 0-0 8.Be2 a3 9.Bc1 c5 10.bc6+=.

6.b5 c5 7.e5 Ng4 8.dc5 Ne5 9.cd6 0-0 10.Ne4=.

6.b5 c6 7.Nf3 0-0 8.Bd3 cb5 9.Nb5 d5 10.e5=.

6.b5 Bg4 7.Be2 Be2 8.Qe2 a4 9.Nf3 0-0 10.Rd1+=.

6.a3 0-0

7.b5 Nbd7 8.Nf3 Re8 9.Bd3 e5 10.de5=.

7.Be2 ab4 8.ab4 Ra1 9.Ba1 c6 10.Nf3 Qb6 11.Qb1=.

7.Nf3 ab4 8.ab4 Ra1 9.Ba1 c6= 10.Bd3 Qb6 11.Na2=.

7.Nf3 ab4 8.ab4 Ra1 9.Ba1 Nc6 10.b5 Nb4 11.Qb1=.

7.Nf3 ab4 8.ab4 Ra1 9.Ba1 d5 10.e5=.

7.Nf3 Bg4 8.Be2 ab4 9.ab4 Ra1 10.Ba1 c6 11.d5=.

7.h3 ab4 8.ab4 Ra1 9.Ba1 (worse is 9.Qa1 Nc6-/+ 10.Nf3 Nb4 11.Qa4-/+) 9...c6 (9...Nbd7 10.Nf3 c6 11.Be2=) 10.Nf3 Na6 (10...b5 11.Bd3=) 11.b5 Nb4 12.Be2 Bd7 13.e5 (13.bc6 bc6 14.0-0 Qc7=) 13...Ne8 14.0-0 Nc7 (14...Bf5 15.Qb1 Qa5 16.Bd1+=) 15.Qb1 Nbd5 16.Nd5 Nd5 17.Re1 Qa5 (17...Nf4 18.Bf1=) 18.Qb3 (18.bc6 bc6 19.Qc1 de5 20.Ne5 Bh6=) 18...Nf4 (18...de5 19.de5 Nf4 20.Bc3 Ne2 21.Re2 Qb5 22.Qb5 cb5 23.Bb4=) 19.Bf1 (19.Bc3 Qb6=) 19...cb5 20.Bc3 Qc7 21.ed6 ed6 (worse is 21...Qd6 22.Bb4 Qc6 23.Re7+/-) 22.Bd2 Ne6 23.c3 Qa5 (23...Bc6 24.Ng5 Ng5 25.Bg5=) 24.Rb1+= Nc7 25.c4 Qb6 26.Be3 Ne6 (26...Bf5 27.Ra1 Re8 28.Ra3=) 27.c5+= dc5 ½–½. Burns,Chris – Cooper,D (2070), ch–NZL, Wanganui NZL, 2003. (=1.e4 d6 2.b4 Nf6 3.Nc3 g6 4.Bb2 Bg7)

6.b5 0-0

7.Bc4 Ne4 8.Ne4 d5 9.Bd3 de4 10.Be4=.

7.Qd3 Nbd7 8.Nf3 c5 9.d5 a4 10.a3=.

7.Bd3 a4 8.Nf3 a3 9.Bc1 c5 10.bc6=.

7.Bd3 e5 8.de5+= de5 9.Nf3 Re8 (9...Qe7 10.0-0+=) 10.Bc4 (10.0-0 Nbd7+=) 10...Qe7= 11.0-0 Bg4 12.a4 (12.h3 Qb4 13.Bb3 Be6+=) 12...Nbd7 (12...Rd8 13.Qe2=) 13.h3 (13.Ba3 Qd8+=) 13...Nb6 14.Bb3 (14.Ba3 Qd7 15.hg4 Nc4+/-) 14...Rad8 (14...Red8 15.Qe2 Be6 16.Ba3+=) 15.Qe2+= Be6 16.Ba3 Qd7 17.Rad1 (17.Rfd1 Qc8+=) 17...Qc8 18.Rd8 (18.Bc5 Bb3 19.cb3 Nbd7+=) 18...Qd8 (18...Rd8 19.Be7 (worse is 19.Ne5 Bb3 20.cb3 Nh5-/+) 19...Bb3 20.cb3+=) 19.Be6+/- (19.Ne5? Bb3 20.Rd1 Qc8 21.cb3 Re5-+) 19...Re6 20.Rd1 Qc8 21.Bc5 Nfd7 22.Bb6 Nb6 23.Nd5 ½–½. Damjanovic,Mato – Bertok,Mario, JUG–ch Ljubljana, 1960.

7.Be2 c6 8.Nf3 cb5 9.Bb5 Bg4 10.h3=.

7.Nf3 a4 8.Bd3 a3 9.Bc1 c5 10.bc6=.

7.Nf3 a4 8.Bd3 c5 9.0-0 a3 10.Bc1 cd4 11.Nd4=.

5.d4 a6

6.a3 A) 6...Nc6 7.Nf3 Bg4 8.Be2 0-0 9.0-0 d5 10.e5+=; B) 6...Bg4 7.Be2 Be2 8.Nge2 0-0 9.0-0 c5 10.bc5+=; C) 6...0-0 7.Bd3 (7.Nf3 c5 8.Be2 Bg4 9.h3 Bf3 10.Bf3=) 7...c5 8.Nf3 cb4 9.ab4 Qb6 10.Na4+=; D) 6...h6 7.Nf3 0-0 8.Bd3 c5 9.dc5 dc5 10.bc5+=; E) 6...c5 7.e5 (7.Nf3 0-0 8.Be2 cd4 9.Qd4 b5 10.Qe3=; 7.bc5 dc5 8.Nge2 0-0 9.Qd3 cd4 10.Nd4+=; 7.dc5 Ne4 8.Nge2 Nc6 9.Rb1 Nc3 10.Bc3=) 7...Ng4 8.dc5 Ne5 9.cd6 ed6 10.Qd5=.

6.Bc4 A) 6...0-0 7.Qd3 (7.e5 Nh5 8.Nf3 Nc6 9.b5 ab5 10.Nb5+=; 7.Nf3 Bg4 8.Be2 c5 9.a3 Nc6 10.bc5=; 7.Nd5 Ne4 8.Qe2 e6 9.Qe4 ed5 10.Qd5-+; 7.a3 c5 8.e5 Ng4 9.bc5 dc5 10.h3+=) 7...Nc6 8.a3 e6 9.Nf3 b5 10.Bb3+=; B) 6...Nc6 7.d5 (7.a3 Ne4 8.Bf7 Kf7 9.Ne4 Rf8 10.Ne2+=; 7.b5 Na5 8.Bd3 ab5 9.Bb5 c6 10.Bd3=) 7...Na7 8.Qe2 0-0 9.Nf3 e6 10.0-0=; C) 6...Bd7 7.Nge2 (7.Nf3 0-0 8.a3 b5 9.Bd3 c5 10.dc5=) 7...Nc6 8.a3 h6 9.0-0 0-0 10.Qd3+=; D) 6...e6 7.Nf3) 7...Nc6 8.a3 0-0 9.0-0 d5 10.Bd3+=; E) 6...b5 7.Be2 (7.Bb3 Nc6 8.d5 Na7 9.Qe2 0-0 10.Nf3=; 7.Bd3 Nc6 8.a4 ba4 9.Na2 a3 10.Bc3+=) 7...0-0 8.a4 Bb7 9.ab5 ab5 10.Ra8=.

6.Be2 A) 6...Nc6 7.a3 (7.d5 Nb4 8.a3 Ne4 9.Ne4 Bb2 10.ab4=; 7.b5 ab5 8.Bb5 0-0 9.Nf3 Bg4 10.Bc6=) 7...0-0 8.Nf3 d5 9.ed5 Nd5 10.Nd5=; B) 6...d5 7.e5 Ne4 8.Nf3 Nc6 9.a3 f6 10.ef6=; C) 6...Nbd7 7.Nf3 0-0 8.0-0 c5 9.a3 cb4 10.ab4+=; D) 6...a5 7.b5 0-0 8.Nf3 a4 9.0-0 d5 10.e5+=; E) 6...0-0 7.Rb1 (7.a3 c5 8.Nf3 Bg4 9.h3 Bf3 10.Bf3=; 7.Nf3 c5 8.a3 Bg4 9.h3 Bf3 10.Bf3=) 7...b5 8.Nf3 a5 9.a3 c6 10.d5=.

6.e5 A) 6...Nfd7 7.f4 (7.ed6 cd6 8.Nf3 0-0 9.a3 Nf6 10.Be2=) 7...0-0 8.Nf3 Nb6 9.Be2 f6 10.a4=; B) 6...de5 7.de5 Nfd7 8.e6 fe6 9.Bc4 Nc6 10.a3=.

6.Nf3 0-0 (6...Bg4 7.Be2 (7.a3 c5 8.Be2 0-0 9.Ra2 cb4 10.ab4=) 7...Nc6 8.a3 0-0 9.0-0 d5 10.e5=; 6...Nc6 7.a3 (7.d5 Nb4 8.a3 Ne4 9.ab4 Nc3 10.Qd3=) 7...Bg4 8.Be2 0-0 9.0-0 d5 10.e5+=; 6...Bd7 7.Be2 0-0 8.0-0 c5 9.bc5 dc5 10.d5+=; 6...a5 7.b5 0-0 8.Bd3 a4 9.0-0 c5 10.e5+=) 7.a3 (7.Be2 c5 8.a3 cd4 9.Qd4 b5 10.Qe3=; 7.Qe2 Bg4 8.d5 e6 9.h3 Bf3 10.Qf3=; 7.h3 c5 8.dc5 dc5 9.Qd8 Rd8 10.bc5+=) 7...c5 8.Be2 cd4 9.Qd4 Nc6 10.Qd3=.

5.d4 c6

6.a3 A) 6...0-0 7.Nf3 (7.Be2 a5 8.Nf3 Qb6 9.ba5 Ra5 10.Rb1=; 7.Bd3 Bg4 8.Nge2 a5 9.0-0 b5 10.h3=; 7.h3 c5 8.Nf3 Nc6 9.bc5 dc5 10.d5=; 7.Qd2 c5 8.dc5 dc5 9.Qe3 cb4 10.ab4=) 7...a5 8.b5 Bd7 9.bc6 Nc6 10.Rb1=; B) 6...Bg4 7.Nf3 (7.Be2 Be2 8.Nge2 Nbd7 9.0-0 0-0 10.Nf4=) 7...Bf3 8.Qf3 a5 9.b5 Nbd7 10.Rd1+=; C) 6...Nbd7 7.Nf3 Qb6 8.Bd3 0-0 9.0-0 Qc7 10.Re1+=; D) 6...a5 7.b5 (7.Nf3 b5 8.Bd3 0-0 9.0-0 ab4 10.ab4=; 7.Be2 0-0 8.Nf3 Qb6 9.ba5 Ra5 10.Rb1=; 7.e5 de5 8.de5 Qd1 9.Rd1 Ng4 10.e6+=) 7...0-0 8.Nf3 Bd7 9.bc6 Nc6 10.Rb1=; E) 6...d5 7.e5 Nfd7 8.Nf3 f6 9.Qe2 0-0 10.Qe3=.

6.Bd3 Qb6 (6...0-0 7.a3 (7.Nge2 Qb6 8.a3 a5 9.Na4 Qd8 10.c4=; 7.Nf3 Qb6 8.a3 a5 9.Na4 Qd8 10.c4=; 7.Qd2 a5 8.b5 a4 9.Rb1 cb5 10.Nb5=; 7.h3 Qb6 8.a3 a5 9.Na4 Qd8 10.Nc3=) 7...Bg4 8.Nge2 a5 9.0-0 b5 10.h3=; 6...Bg4 7.f3 (7.Nge2 0-0 8.0-0 c5 9.f3 cd4 10.Nd5=) 7...Bd7 8.Nge2 Qb6 9.a3 a5 10.Na4=; 6...h6 7.Nge2 0-0 8.0-0 Nbd7 9.Re1 Qb6 10.a3+=; 6...d5 7.a3 (7.Nf3 Bg4 8.e5 Nfd7 9.Na4 f6 10.ef6=; 7.Nge2 de4 8.Ne4 Ne4 9.Be4 Qd6 10.c3=; 7.e5 Nh5 8.Qf3 Qb6 9.Nge2 f6 10.ef6=; 7.Qd2 de4 8.Ne4 Ne4 9.Be4 Be6 10.Nf3=) 7...Ne4 8.Ne4 de4 9.Be4 Be6 10.Nf3=) 7.a3 a5 8.Na4 Qd8 9.c4 0-0 10.Nf3=.

6.Be2 A) 6...a5 7.b5 (7.a3 0-0 8.Nf3 Qb6 9.ba5 Ra5 10.Rb1=) 7...0-0 8.Nf3 cb5 9.Bb5 Bd7 10.Qe2=; B) 6...Qb6 7.a3 (7.b5 cb5 8.Bb5 Nc6 9.Qd3 0-0 10.Nf3=) 7...0-0 8.Nf3 a5 9.ba5 Qa5 10.0-0=; C) 6...d5 7.e5 Nfd7 8.Nf3 f6 9.Na4 b5 10.Nc5=; D) 6...Na6 7.a3 (7.e5 Nd7 8.Ba6 ba6 9.ed6 Rb8 10.de7=) 7...0-0 8.Nf3 b5 9.0-0 Qc7 10.Qd3+=; E) 6...0-0 7.Nf3 (7.a3 a5 8.Nf3 Qb6 9.ba5 Qa5 10.0-0=; 7.Qd2 a5 8.b5 cb5 9.Bb5 Nc6 10.Nge2=; 7.f4 Qb6 8.a3 a5 9.b5 Bd7 10.e5=; 7.Qd3 b5 8.a4 Na6 9.ab5 Nb4 10.Qd2=) 7...Qb6 8.a3 a5 9.ba5 Ra5 10.Rb1=.

6.Nf3 A) 6...Qb6 7.a3 0-0 8.Bd3 a5 9.Na4 Qd8 10.c4=; B) 6...Bg4 7.a3 (7.Be2 0-0 8.0-0 Qb6 9.a3 a5 10.ba5=) 7...0-0 8.h3 Bf3 9.Qf3 Nbd7 10.Be2+=; C) 6...0-0 7.a3 (7.Bd3 Qb6 8.a3 a5 9.Na4 Qd8 10.c4=; 7.Be2 Qb6 8.a3 a5 9.ba5 Ra5 10.Rb1=) 7...a5 8.b5 Bd7 9.bc6 Nc6 10.Rb1=; D) 6...a5 7.a3 (7.b5 0-0 8.Bd3 d5 9.e5 Nh5 10.Qd2=) 7...0-0 8.b5 Bd7 9.bc6 Nc6 10.d5=; E) 6...d5 7.e5 (7.Bd3 Bg4 8.e5 Nfd7 9.Na4 f6 10.ef6=) 7...Nh5 8.Qd2 0-0 9.Be2 f6 10.0-0=.

6.h3 A) 6...Qb6 7.a3 0-0 8.Bd3 a5 9.Na4 Qd8 10.Nf3=; B) 6...d5 7.e5 Nfd7 8.Nf3 f6 9.Qe2 Qc7 10.Na4=; C) 6...a5 7.b5 (7.a3 b5 8.Nf3 0-0 9.Bd3 Be6 10.Ng5=) 7...0-0 8.Rb1 a4 9.Qf3 Nbd7 10.a3=; D) 6...Be6 7.Bd3 (7.Nf3 0-0 8.a3 Qb6 9.Bd3 a5 10.Na4=; 7.d5 cd5 8.Nd5 Bd5 9.ed5 0-0 10.Nf3=; 7.Be2 Qb6 8.a3 a5 9.b5 0-0 10.a4=; 7.a3 Nbd7 8.Bd3 Nb6 9.Nf3 0-0 10.Qe2=) 7...0-0 8.Nf3 Qb6 9.a3 a5 10.Na4=; E) 6...0-0 7.Nf3 (7.a3 Qb6 8.Bd3 a5 9.Na4 Qd8 10.c4=; 7.Bd3 Qb6 8.a3 a5 9.Na4 Qd8 10.c4=; 7.Be2 Qb6 8.a3 a5 9.Na4 Qc7 10.Nc3=; 7.Qd2 c5 8.bc5 dc5 9.e5 Nfd7 10.f4=) 7...Qb6 8.a3 a5 9.Qb1 Na6 10.b5=.

5.d4 Nbd7

6.Bd3 a5 7.b5 0-0 8.Nf3 a4 9.0-0 c5 10.bc6 bc6 11.Rb1+=.

6.Be2 a5 7.ba5 Ra5 8.Nf3 0-0 9.0-0 c6 10.Qd3 b5 11.a3=.

6.Nf3 0-0 7.Bd3 c5 8.a3 Qb6 9.e5 de5 10.dc5+=.

6.Nf3 0-0 7.Be2 e5 8.de5 Ne5 9.Ne5 de5 10.Qd8=.

6.Nf3 a5 7.b5 (7.a3 0-0 8.Bd3 e5 9.0-0 ed4 10.Nd4=) 7...0-0 8.Bd3 a4 9.0-0 e5 10.a3=.

6.Nf3 Nb6 7.Be2 (7.Bd3 0-0 8.0-0 d5 9.Qe1 de4 10.Ne4=) 7...a5 8.b5 0-0 9.0-0 d5 10.e5+=.

6.Nf3 c6 7.Bd3 0-0 8.0-0 c5 9.dc5 dc5 10.a3+=.

6.Nf3 e5 7.de5 de5 8.Bd3 0-0 9.0-0 Qe7 10.a3+=.

4.Bc4 Bg7

5.d3 0-0 6.Bb3 b5 (6...d5 7.Nd2-/+) 7.f4 (7.Nc3 a5 8.a3 Bd7+=) 7...e6 (7...Nc6!?-/+) 8.Nf3+= Bb7 (8...a5 9.ba5 Nc6 10.0-0+=) 9.0-0 (9.a4 ba4 10.Ra4 Nbd7=) 9...Nbd7 10.Qe1 (10.a4 a5=) 10...c6 (10...c5 11.a4 c4 12.dc4 bc4 13.Bc4 Ne4 14.Bg7 Kg7 15.Qe3+=) 11.Nbd2= a5 12.a3 ab4 13.ab4 Nb6 (better is 13...Qb6!? 14.Kh1 Ra1 15.Ba1 c5=) 14.Ra8+/- Qa8 15.f5 (15.Bd4 Nfd7+/-) 15...ef5+= 16.Qh4 Qd8 (better is 16...Nh5!? 17.Bg7 Kg7 (17...Ng7? 18.Qh6 Nd7 19.Ng5+-) 18.ef5 c5+/-) 17.ef5+- Nh5 18.f6 (better is 18.fg6 hg6 19.Qd8 Rd8 20.Bg7 Kg7 21.Ng5+-) 18...Bf6? (better is 18...Bh6!?+/-) 19.Bf6+- Qf6 20.Ng5 Qg7?? (20...Qe7 21.Bf7 Kh8 22.Qd4 Ng7 23.Qb6 Qg5 24.Qb7 Qe3 25.Rf2 Nf5+-) 21.Bf7 Kh8 (21...Rf7 22.Nf7 Nd7 23.Qd8 Nf8 24.Ng5+-) 22.Ne6 Qh6 (22...Rf7 23.Ng7 Kg7 24.Rf7 Kf7 25.Qf2 Ke6 26.Qe3 Kd7 27.Qb6+-) 23.Qd4 (23.Qd4 Ng7 24.Nf8+-) 1–0. Deus Filho,Joaquim De (1950) – De Oliveira,WR, Aberto do Brasil de Curitiba – IEP Co, 2017.

5.d3 0-0 6.Nd2 c6 (6...a5 7.b5-/+) 7.Ngf3+= b5 (7...d5 8.Bb3+=) 8.Bb3= Bb7 (8...Na6 9.a3=) 9.0-0 c5 (9...Na6 10.c3=) 10.bc5+= dc5 11.e5 (11.a4 b4+=) 11...Nd5 12.a4 (12.Qe1 Qc7+=) 12...a6 (12...b4 13.Qe2+=) 13.ab5 (13.Qe2 Qc7+=) 13...ab5 14.Ra8 (14.Qe2 Na6=) 14...Ba8 15.Qa1 (15.Ne4 Nd7 16.Qa1+=) 15...Nd7 (better is 15...Nc6!?=) 16.e6!+/- Bb2 (16...fe6 17.Qa6 Double attack (17.Bg7 Discovered attack; 17.Qa6 Decoy)) 17.ef7 (17.Qb2?! fe6 18.Bd5 Bd5 19.Qb5 Qc7=) 17...Rf7 18.Qb2 Qb6 (18...Rf5 19.Bd5 Bd5 20.Qb5+/-) 19.Qa2 Qb7 (19...Qc6 20.Re1 Qb7 21.Qb2+-) 20.Ra1 (20.Ne4 Rf8+/-) 20...Rf8 21.Re1 N7f6 22.Qa1 (22.Qa5 Rc8+/-) 22...Qc7 23.Qe5 (23.Ng5 Rb8+/-) 23...Qe5+= 24.Re5 Re8 (24...Rc8!?+=) 25.Ne4+/- Kf8 (25...c4 26.Nf6 Nf6 27.dc4 bc4 28.Bc4 Kf8 29.Ng5+/-) 26.Nc5+- Nc7 (26...Rc8 27.Ng5+-) 27.Ng5 Bd5 (27...Rc8 28.Nce6 Ne6 29.Ne6 (29.Be6?! Rc2 30.f3 Bc6+=; 29.Re6?! Bd5 30.Nh7 Nh7 31.Bd5 Rc2+=) 29...Ke8 30.Rb5+-) 28.Bd5 (28.Nh7 Nh7 29.Bd5 Nd5 30.Rd5 Rc8+-) 28...Ncd5 (28...Nfd5 29.Nh7 Kg7 30.Ng5+-) 29.Nd7! Kg7 (29...Nd7 30.Ne6 Double attack (30.Rd5 Deflection; 30.Rd5 Decoy)) 30.Nf6 Nf6 31.Rb5 Ra8 32.g3 Ra1 (32...Ra2 33.Rc5+-) 33.Kg2 Rc1 (33...Ra2 34.Rc5+-) 34.Rc5 (34.c4 Rc2+-) 34...Kf8 (34...Ne8 35.Rc6+-) 35.Ne4 (35.Rc8 Kg7+-) 35...Kf7 (35...Ne4 36.de4 Kf7 37.Rc6+-) 36.Nf6 (36.Nd2 Ke6+-) 36...Kf6 37.h4 Ke6 (37...h6 38.Kf3+-) 38.Kf3 (38.c4 Rc3 39.Rd5 Kf6+-) 38...Kd6 39.Rc8 (39.Rc4 Ke6+-) 39...Ke5 (39...Kd7 40.Rc3+-) 40.c3 (40.c4 e6+-) 40...Kd5 (40...e6 41.d4 Kf6 42.c4+-) 41.c4 (better is 41.Kf4 Ke6 42.c4+-) 41...Kd4? (41...Ke5+-) 42.Rh8 h5 43.Rg8 (43.Rh6 Rc3 44.Rg6 Rd3 45.Ke2 Kc4 46.Rc6 Kd4+-) 43...Kd3 (43...Rc3 44.Rg6 Rd3 45.Ke2 Kc4 46.Rc6 Kd4 47.Rh6+-) 44.Rg6 Rc4 (44...Rc3 45.Rg5+-) 45.Rg5 1–0. Fekete,Albert (2255) – Karikas,Marianna (1830), Arnoth Sandor Memorial, 2011.

5.d3 0-0 6.Ne2 (--> 5.Ne2 0-0 6.d3).

5.d3 0-0 6.Nf3 Nc6+=.

5.d3 c6 6.Nd2 (6.Nf3 d5 7.ed5 cd5 (7...Nd5?? 8.Bg7 Rg8 9.Bc3+-) 8.Bb5 Nc6=) 6...Qb6 (6...b5 7.Bb3=) 7.c3 (7.Rb1 Na6=) 7...a5 8.a3 (8.Qa4 0-0=) 8...Ng4 (8...0-0 9.Ngf3=) 9.d4 ab4 (9...Nf6 10.Qb3 0-0 11.Ngf3=) 10.ab4+= Ra1 11.Ba1 0-0 12.h3 (12.Ngf3 Qc7+=) 12...Nf6= 13.Ne2 (13.Ngf3 d5 14.Bd3 Rd8=) 13...Nbd7 (13...d5 14.Bd3=) 14.0-0 (14.Bb3 d5=) 14...d5 15.Bd3 (15.Bb3 e5=) 15...e5 16.ed5 (16.Re1 Re8=) 16...cd5 17.de5 Ne5 18.Nb3 (18.Bc2 Re8=) 18...Nd3=+ 19.Qd3 Bf5 20.Qd1 Ra8 (20...Be6 21.Re1=+) 21.Ned4 Bd7 22.Nc5 Bb5 23.Nb5 Qb5=+ 24.Re1 b6 25.Qd3 Qd3 26.Nd3 Ne4 27.Nf4 Nc3 28.Bc3 Bc3 29.Rd1 Bb4 30.Nd5 Bc5 31.Nf6 Kg7 32.Nd7 Ra2 33.Rb1 Bf2-+ 34.Kf1 Bd4 35.Nb6 Rf2 36.Ke1 Rg2 37.Rb4 Bb6 38.Rb6 Rg3 39.h4 h5 (40.Kf2 Rg4-+) 0–1. Grossmann,P (1905) – Kirschbaum,H (2065), Willy–Irrgang2001, 2001.

5.d3 Nbd7 6.Nf3 c6 7.Bb3 b5 (7...a5 8.a3=) 8.Nbd2 a5 9.a3 ab4 (9...0-0 10.d4=) 10.ab4+= Ra1 11.Qa1 0-0 12.0-0 Qc7 13.Ng5 h6 14.Nh3 (14.Ngf3 Re8+=) 14...c5 (14...Re8 15.Nf4 d5 16.e5+=) 15.bc5 (15.Nf4 Re8+=) 15...Nc5= 16.e5? (better is 16.Nf4!?=) 16...Nb3-/+ 17.Nb3 (better is 17.cb3!? de5 18.Be5-/+) 17...de5-+ 18.Rc1 Bh3 (18...Nh5 19.c4 Bh3 20.cb5-+) 19.gh3 (19.Be5 Qd7 20.gh3 Qh3-/+) 19...Nd7 (19...Nd5 20.Kf1-+) 20.f4 (20.Qa3 Bf6 21.c4 Rb8-+) 20...Kh7 (20...Qb6 21.Kg2 Qc6 22.Kg1-+) 21.c4? (better is 21.fe5 Ne5 22.Rf1-+) 21...Nc5 (better is 21...bc4!? 22.Nd2 Qb6 23.d4-+) 22.Nc5?? (better is 22.cb5 Nb3 23.Rc7 Na1 24.Ba1 ef4 25.Bg7 Kg7 26.Re7-/+) 22...Qc5-+ 23.Kg2 (23.d4 ed4 24.cb5 Qd5-+) 23...Qc6 (23...bc4 24.Rc4 Qd5 25.Kg1 Qd3 26.Qf1 Qf1 27.Kf1 ef4 28.Ba3-+) 24.Kf2 Rd8 (better is 24...Ra8 25.Qb1 bc4 (25...ef4?! 26.Bg7 Kg7 27.cb5-+) 26.Be5 Be5 27.fe5 Qc5 28.Kf1 Qd5 29.dc4 Qh1 30.Ke2 Qh2 31.Kf3 Qh3 32.Kf2 Ra2 33.Qa2 Qh2 34.Ke3 Qa2-+) 25.Be5? (25.cb5 Qb6 26.Ke2 Qb5-+) 25...f6 (better is 25...Rd3 26.Rf1 f6-+) 26.Bd4 e5 27.fe5 fe5 28.Be5? (better is 28.Be3-+) 28...Rf8 (28...Rd3 29.Qa7 Rd2 30.Ke1 Rd7-+) 29.Ke1 (29.Kg1 Ra8 30.Bg7 Ra1 31.Ba1 Qc5 32.Kf1-+) 29...Qg2 30.Bf6 (30.Bf4 Rf4 31.Qg7 Kg7 32.cb5 Rf1) 30...Rf6 (30...Bf6 31.Qa7 Bg7 32.Qg1 Re8 33.Qe3 Re3 34.Kd1 Qe2) 31.Qf6-+ Bf6 (31...Bf6 32.cb5 Qg1 33.Kd2 Bg5 34.Kc3 Qc5 35.Kb3 Qb5 36.Kc3 Bc1-+) 0–1. katchum (1780) – kc (2010), net–chess.com, 2001.

5.Qe2 0-0 6.a3 A) 6...e6 7.Nf3 (7.Nc3 d5 8.Bd3 Ne4 9.Nf3 Nd6 10.0-0 Nc6 11.Na4) 7...d5 8.Bd3 de4 9.Be4 a5 10.b5 Nbd7 11.0-0; B) 6...Nc6 7.Nf3 (7.Nc3 a5 8.b5 Nd4 9.Qd3 Ne6 10.Be6 Be6 11.Nf3) 7...Nh5 8.Bg7 Nf4 9.Qf1 Kg7 10.Nc3 Bg4 11.Nd5; C) 6...a5 7.b5 (7.Nf3 Nh5 8.Bg7 Kg7 9.Qe3 ab4 10.ab4 Ra1 11.Qd4) 7...Nbd7 8.Nf3 Nb6 9.Nc3 Nh5 10.g3 Nc4 11.Qc4.

5.Qe2 0-0 6.Na3 A) 6...a6 7.Nf3 (7.Rb1 b5 8.Bd5 Nd5 9.ed5 Bb2 10.Rb2 e6 11.Nf3) 7...b5 8.Bd3 Nc6 9.Bc3 Nh5 10.0-0 Bc3 11.dc3; B) 6...Na6 7.Rb1 (7.Nf3 Nb4 8.0-0 a6 9.Rab1 c5 10.Bf6 Bf6 11.c3) 7...d5 8.Bd5 Nd5 9.ed5 Qd5 10.Nf3 Qa2 11.Bg7; C) 6...Nc6 7.b5 (7.Nf3 Nh5 8.0-0-0 Nb4 9.Bg7 Kg7 10.c3 Nc6 11.d4) 7...Ne5 8.Nf3 Bg4 9.Rb1 Bf3 10.gf3 Qd7 11.f4.

5.Qe2 0-0 6.Nc3 A) 6...Nc6 7.Nf3 (7.b5 Na5 8.Nf3 Nc4 9.Qc4 a6 10.0-0 ab5 11.Qb5) 7...Nb4 8.Rc1 Nh5 9.Qe3 Be6 10.Be6 fe6 11.0-0; B) 6...Bg4 7.f3 (7.Nf3 Nc6 8.h3 Nd4 9.Qd3 Bf3 10.gf3 Nc6 11.a3) 7...Bd7 8.b5 a6 9.a4 e6 10.Bd3 ab5 11.ab5; C) 6...Nh5 7.Qe3 (7.b5 Nd7 8.Nf3 Nf4 9.Qf1 Nb6 10.0-0-0 a6 11.ba6) 7...Nc6 8.Nf3 Nb4 9.Rc1 Be6 10.Be6 fe6 11.0-0.

5.Qe2 0-0 6.Nf3 A) 6...Bg4 7.h3 (7.0-0 Nc6 8.h3 Bf3 9.Qf3 e6 10.Na3 Nb4 11.Rab1) 7...Bf3 8.Qf3 Nbd7 9.Nc3 Ne5 10.Qe2 Nh5 11.g3; B) 6...Na6 7.a3 (7.Ba6 ba6 8.0-0 Rb8 9.a3 a5 10.Bf6 ef6 11.Nc3) 7...c5 8.b5 Nc7 9.Nc3 Ne6 10.0-0 Nf4 11.Qe3; C) 6...Nc6 7.b5 (7.Nc3 Nb4 8.Rc1 c6 9.a3 d5 10.ab4 dc4 11.e5) 7...Nb4 8.Na3 d5 9.ed5 Nbd5 10.Be5 Ng4 11.Bg7.

5.Qe2 Nc6 6.a3=.

5.Qe2 Nc6!?-/+ 6.Na3 A) 6...Nb4 7.Nf3 (7.Rb1 e5 8.Nf3 0-0 9.0-0 Qe7 10.h3 a5 11.Rfe1) 7...0-0 8.0-0 c6 9.c3 Na6 10.d4 d5 11.ed5; B) 6...a6 7.Nf3 (7.Rb1 e5 8.Nf3 b5 9.Bb3 0-0 10.c3 Nh5 11.g3) 7...0-0 8.0-0 Nb4 9.Rab1 e5 10.Bc3 a5 11.Bb2; C) 6...0-0 7.b5 (7.Nf3 Nh5 8.0-0-0 Nb4 9.Bg7 Kg7 10.c3 Nc6 11.d4) 7...Na5 8.Nf3 Nh5 9.0-0-0 a6 10.Bg7 Kg7 11.e5.

5.Qe2 Nc6!?-/+ 6.b5 A1) 6...Na5 7.Na3 (7.Bd3 0-0 8.Nc3 d5 9.Nf3 Ne4 10.0-0 Nc3 11.Bc3) 7...0-0 8.Nf3 Nh5 9.0-0-0 a6 10.Bg7 Kg7 11.e5; B) 6...Ne5 7.Be5 (7.Nf3 Nc4 8.Qc4 Be6 9.Qe2 0-0 10.Nc3 a6 11.a4) 7...de5 8.Nf3 Qd6 9.Nc3 0-0 10.Qd3 Bg4 11.Qd6; C) 6...Nb4 7.Bb3 (7.Na3 d5 8.ed5 Nbd5 9.Be5 0-0 10.Nf3 Be6 11.0-0) 7...Be6 8.d4 Bb3 9.ab3 Nh5 10.Qd2 Qd7 11.Qb4.

5.Qe2 Nc6!?-/+ 6.Nc3 A) 6...Nb4 7.Bb3 (7.Rc1 Nh5 8.Qe3 0-0 9.a3 Nc6 10.Nf3 Bg4 11.Be2) 7...0-0 8.Nf3 Nh5 9.0-0 Nf4 10.Qe3 Bh6 11.Kh1; B) 6...0-0 7.Nf3 (7.b5 Nb4 8.0-0-0 a6 9.ba6 ba6 10.Nf3 Rb8 11.a3) 7...Nb4 8.Rc1 c6 9.0-0 d5 10.ed5 cd5 11.Bb3; C) 6...Nh5 7.0-0-0 (7.Nh3 a5 8.b5 Nd4 9.Qd1 Bh3 10.gh3 e6 11.0-0) 7...0-0 8.Nf3 Nb4 9.g3 c6 10.a3 Na6 11.Qe3.

5.Qe2 Nc6!?-/+ 6.Nf3 A) 6...0-0 7.b5 (7.0-0 Nb4 8.Na3 c6 9.c3 Na6 10.d4 d5 11.ed5) 7...Na5 8.0-0 Nc4 9.Qc4 a6 10.Nc3 ab5 11.Qb5; B) 6...Bg4 7.b5 (7.0-0 0-0 8.h3 Bf3 9.Qf3 Ne5 10.Qe2 Nc4 11.Qc4) 7...Ne5 8.Be5 de5 9.Nc3 0-0 10.h3 Bf3 11.Qf3; C) 6...Nb4 7.Na3 (7.d3 0-0 8.Nc3 Bg4 9.0-0 Bf3 10.gf3 Nh5 11.Qd2) 7...0-0 8.0-0 c6 9.c3 Na6 10.d4 d5 11.ed5.

5.Qe2 e5 6.a3 A) 6...0-0 7.Nf3 (7.Nc3 Nc6 8.Qd3 a5 9.b5 Nd4 10.Nge2 c6 11.0-0) 7...Nc6 8.0-0 Bg4 9.h3 Nd4 10.Bd4 Bf3 11.Qf3; B) 6...Nh5 7.Nc3 (7.g3 0-0 8.Nc3 Nc6 9.Qd3 Nd4 10.Nf3 Bh3 11.Nd4) 7...0-0 8.Qf3 a5 9.Nge2 Be6 10.Be6 fe6 11.Qg4; C) 6...Nc6 7.Nf3 (7.Nc3 a5 8.Nf3 ab4 9.Nd5 ba3 10.Ra3 Ra3 11.Ba3) 7...0-0 8.0-0 Bg4 9.h3 Nd4 10.Bd4 Bf3 11.Qf3.

5.Qe2 e5 6.Na3 A) 6...a5 7.ba5 (7.b5 Nbd7 8.Nf3 0-0 9.0-0 Nc5 10.d3 Bd7 11.Bc3) 7...Nbd7 8.Nf3 0-0 9.Nb5 Nc5 10.0-0 Nfe4 11.Rfd1; B) 6...Nc6 7.Nf3 (7.b5 Nd4 8.Bd4 ed4 9.e5 d3 10.cd3 de5 11.Qe5) 7...0-0 8.b5 Nd4 9.Nd4 ed4 10.0-0 Re8 11.f3; C) 6...0-0 7.Nf3 a5 8.ba5 Nbd7 9.0-0 Nc5 10.d3 Ra5 11.Bb3.

5.Qe2 e5 6.Nc3 A) 6...0-0 7.a3 (7.b5 a6 8.a4 Nh5 9.Nh3 Bh3 10.gh3 Nd7 11.ba6) 7...Nc6 8.Qd3 a5 9.b5 Nd4 10.Nf3 Bg4 11.h4; B) 6...Bg4 7.Qd3 (7.Nf3 Nc6 8.Nd5 Nd5 9.Bd5 Nb4 10.Qb5 c6 11.Bf7) 7...Nc6 8.a3 a5 9.h3 ab4 10.hg4 bc3 11.Bc3; C) 6...Nc6 7.Nf3 (7.Rc1 0-0 8.Nf3 Bg4 9.Qe3 Nb4 10.0-0 Qe7 11.a3) 7...0-0 8.a3 Bg4 9.Qd3 a5 10.ba5 Na5 11.Ba2.

5.Qe2 e5 6.Nf3+= 0-0 (6...Nc6 7.0-0 (7.b5 Na5 8.Bd3 Nh5 9.g3 Bh3 10.Nc3 0-0 11.Nd5) 7...0-0 8.b5 Na5 9.Na3 a6 10.Bd3 ab5 11.Nb5; 6...Bg4 7.0-0 (7.h3 Bf3 8.Qf3 Nc6 9.0-0 0-0 10.c3 a5 11.b5) 7...0-0 8.h3 Bf3 9.Qf3 Nc6 10.c3 Ne7 11.d3) 7.0-0 (7.a3 Nc6 8.0-0 Bg4 9.h3 Nd4 10.Bd4 Bf3 11.Qf3) 7...c6 (7...Nc6 8.b5 Na5 9.Nc3+= (9.Na3 a6 10.Bd3 ab5 11.Nb5) 9...Nc4 10.Qc4 a6 11.a4) 8.Bb3 (8.Nc3 b5 9.Bb3 a5= 10.a3 Na6 11.Rfd1) 8...a5 9.ba5 Ra5 10.d3 (10.Na3 b5 11.c4) 10...Nbd7 11.Nbd2 Nc5 12.Nc4 Ra8 13.a4 Nb3 (13...Be6 14.a5+=) 14.cb3= h6 (14...Qc7 15.Qe3=) 15.Rfc1 (15.Ba3 c5=) 15...Be6 16.b4 Nh5 17.d4 (17.g3 Qe7=) 17...f6 (17...Nf4 18.Qd2+=) 18.a5 (18.g3 d5 19.Ncd2 Bg4=) 18...Nf4 19.Qd2 (19.Qe3 Qe7=) 19...d5+= 20.ed5 Bd5 (worse is 20...Qd5 21.Nb6 Qe4 22.Na8 Ne2 23.Kf1 Nc1 24.Rc1 Ra8 25.de5 fe5 26.Re1+=) 21.Ne1 (21.Nb6 Bf3 22.gf3 Qe7-/+) 21...f5-/+ 22.Ra3 Bc4 23.Rc4 g5 24.Nc2? (better is 24.a6 Ra6 25.Ra6 ba6 26.Rc6 ed4 27.Ra6-+) 24...ed4-+ 25.Bd4 (25.Rd4 Bd4 26.Bd4 Qd5-+) 25...Re8 (better is 25...b5 26.Rcc3 Bd4 27.Nd4 Qd4 28.Qd4 Ne2 29.Kf1 Nd4-+) 26.Ne3?? (26.Re3 Qd5 27.Re8 Re8 28.Ne3+=) 26...Bd4-+ 27.Rd4 (27.Qa2 Kh8 28.Qc2-+) 27...Qd4!! 28.Qa2 (28.Qd4 Ne2 Double attack (28...Ne2 Decoy)) 28...Kh8 (better is 28...Nd5 29.h3 Re5-+) 29.g3 (29.Qa1 Qa1 30.Ra1 Ne2 31.Kf1-+) 29...Qd1 30.Nf1 Ne2 (better is 30...Re1 31.Qa1 Qa1 32.Ra1 Ne2 33.Kg2 Ra1-+) 31.Kg2 Qd5 (better is 31...Kg7 32.Qd2 Qd2 33.Nd2-+) 32.Qd5 cd5 0–1. Blumenberg,Walter – Buenermann,Volker (2295), Koeln op, 1993.

5.Ne2 Nc6 6.b5 Na5 7.Bd5=.

5.Ne2 Nbd7 6.0-0 0-0 7.d3 c6 (7...Nb6 8.Nd2=) 8.Nd2 (8.Bd4 Ne5 9.Nd2 Nc4 10.Nc4 b5=+) 8...Nb6 (8...b5 9.Bb3=) 9.Bb3 (9.Bd4 Nc4 10.Nc4 b5=+) 9...c5 (9...Ne4 10.Bg7 Nd2 11.Bf8 Nb3 12.Be7 (12.cb3?! Qf8 13.a3 e5+=) 12...Qe7 13.ab3+-) 10.bc5 dc5 11.h3 e6 12.Rb1 Qc7 13.f4 a5 (13...Rd8 14.e5 Nfd5 15.Ne4=) 14.a3 Bd7 15.Be5 Qc6 16.Qe1 Ne8 (16...a4 17.Bc4+=) 17.Nf3 Be5 (17...a4 18.Bg7 Ng7 19.Ne5+=) 18.Ne5+/- Qc7 19.g4 (19.Qc3 Qd6+/-) 19...Ba4 (19...f6 20.Nd7 Qd7 21.Qc3+=) 20.g5 (20.Ba4 Na4 21.Qh4 f6+=) 20...Bb3+= 21.Rb3 f6 22.Ng4 (22.gf6 Nf6 23.Qg3 Nbd7+=) 22...c4 23.Rb5 Nd7 24.Qa1 (24.d4 Nd6 25.Rb2 Ne4=+) 24...Nd6= 25.Rbb1 cd3 26.cd3 Qc5 27.Qd4 Rac8 (27...Qa3 28.Ra1 (28.Nf6 Nf6 29.Ra1 e5 30.fe5 Qb3 31.ef6 Nf7+-) 28...Qb4 29.gf6+=) 28.gf6 (28...h5 29.Ne5 Nf6 30.Ng6+/-) 1–0. Bungo,Gregory – Sciaretta,D, corr NTC–01, 1991.

5.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e4 d6 5.Bc4).

5.f4 0-0 6.d3 c6 (6...Nc6 7.a3 e6 8.Ne2 d5 9.Bb5 de4 10.Bc6+=) 7.Nf3 (7.Bb3 Qb6 8.c3 Qe3 9.Ne2 Ng4 10.Rf1-/+; 7.Nc3 d5 8.Bb3 Qb6 9.ed5 Qb4 10.a3-/+; 7.e5 Nd5 8.Qd2 Qb6 9.a3 de5 10.fe5+=; 7.Ne2 d5 8.ed5 cd5 9.Bb3 Qb6 10.a3+=) 7...d5 8.ed5 cd5 9.Bb3 Qb6 10.a3+=.

5.f4 0-0 6.Qe2 A) 6...c6 7.Nf3 (7.Bb3 Bg4 8.Qd3 d5 9.h3 Be6 10.f5=; 7.e5 de5 8.fe5 Nd5 9.a3 Bf5 10.d4+=) 7...Nd5 8.Bg7 Nf4 9.Bf8 Ne2 10.Bh6=; B) 6...a5 7.b5 c6 8.e5 Bg4 9.Nf3 Nfd7 10.d4=; C) 6...e6 7.Bb3 (7.Nh3 c6 8.a3 a5 9.Bd3 ab4 10.ab4=) 7...a5 8.ba5 Nbd7 9.Nc3 Ra5 10.Nf3=; D) 6...a6 7.e5 de5 8.fe5 Nd5 9.a3 a5 10.b5=; E) 6...Nc6 7.b5 (7.Bc3 Bg4 8.Qe3 d5 9.ed5 Nd5 10.Bd5+=; 7.a3 e6 8.Nh3 e5 9.Nf2 ef4 10.0-0+=) 7...Na5 8.Bd3 Bg4 9.Qf1 c6 10.Nc3+=.

5.f4 0-0 6.e5 de5 7.Be5 (7.fe5 Ng4 8.Nf3 Nc6 9.Qe2 Nb4 10.Na3+=) 7...Nc6 8.c3 Ne5 9.fe5 Nd5 10.Nf3+=.

5.f4 0-0 6.Qf3= A) 6...Nc6 7.b5 (7.a3 e5 8.Ne2 Bg4 9.Qd3 ef4 10.Nf4+=) 7...Na5 8.Be2 Bg4 9.Qd3 Be6 10.Na3=; B) 6...Bg4 7.Qd3 e6 8.Bb3 a5 9.a3 a4 10.Ba2+=; C) 6...a6 7.e5 Nfd7 8.d4 Nb6 9.Bb3 a5 10.ba5=; D) 6...e6 7.Be2 Nbd7 8.d4 Qe7 9.b5 a6 10.ba6=; E) 6...c6 7.e5 de5 8.fe5 Nd5 9.a3 Be6 10.Bb3+=.

5.f4 0-0 6.Bf6 A) 6...Bf6 7.c3 (7.d4 c6 8.c3 a5 9.ba5 d5 10.Bd3+=; 7.Nc3 c6 8.Nf3 Qb6 9.e5 Qb4 10.Qe2-/+) 7...a5 8.b5 Nd7 9.Nf3 Nb6 10.Be2=; B) 6...ef6 7.Nf3 (7.d4 Re8 8.Nc3 f5 9.Nf3 fe4 10.Ng5-/+) 7...Re8 8.Nc3 c6 9.0-0 Qb6 10.d4-/+.

5.f4 a5 6.b5 Bg4 (6...c6 7.e5 Nd5 8.Bd5 cd5 9.Nf3 Bg4 10.h3=; 6...e5 7.fe5 Ne4 8.Nf3 Be6 9.Be6 fe6 10.Qe2=; 6...Nbd7 7.e5 Nh5 8.Qf3 Nb6 9.Be2 de5 10.Be5=; 6...0-0 7.Qf3 Bg4 8.Qe3 c6 9.e5 de5 10.fe5=) 7.Nf3 0-0 8.h3 Be6 9.Be6 fe6 10.Nd4=.

5.f4 a6 6.Nf3 0-0 (6...Nc6 7.a3 0-0 8.d3 e6 9.Bb3 Nh5 10.Bg7=; 6...b5 7.Bb3 a5 8.ba5 c5 9.c4 bc4 10.Bc4=) 7.Bf6 Bf6 8.d4 b5 9.Be2 a5 10.ba5=.

5.f4 c6 6.Qe2 A) 6...0-0 7.Bb3 (7.e5 de5 8.fe5 Nd5 9.a3 Bf5 10.d3+=; 7.Nf3 b5 8.Bb3 a5 9.Bf6 ef6 10.ba5+=; 7.Nc3 d5 8.ed5 cd5 9.Bb3 Nc6 10.Nf3-/+) 7...Bg4 8.Qd3 d5 9.h3 Be6 10.f5=; B) 6...d5 7.ed5 cd5 8.Bb5 Nc6 9.Nf3 0-0 10.a3+=.

5.f4 c6 6.e5 Nd5 (6...de5 7.fe5 Nd5 8.a3 Be6 9.Bd5 Qd5 10.Nf3+=; 6...Nh5 7.Qf3 Qb6 8.a3 d5 9.Ba2 Bh6 10.Ne2+=; 6...Nfd7 7.Nf3 (7.Bf7 Kf7 8.e6 Kg8 9.Bg7 Kg7 10.ed7+=) 7...0-0 8.a3 a5 9.Bb3 a4 10.Ba2=) 7.Bd5 cd5 8.Nf3 0-0 9.Qe2 Nc6 10.b5+=.

5.f4 c6 6.Qf3 A) 6...b5 7.Bb3 (7.Be2 a5 8.a4 ab4 9.ab5 Ra1 10.Ba1+=) 7...a5 8.e5 Nfd7 9.ba5 0-0 10.d4=; B) 6...Bg4 7.Qe3 (7.Qd3 0-0 8.h3 Bd7 9.Qf3 d5 10.ed5+=; 7.Qb3 0-0 8.e5 Nfd7 9.h3 Bf5 10.Nf3+=; 7.Qf1 0-0 8.Be2 Be2 9.Qe2 Qb6 10.Bc3+=; 7.Qa3 d5 8.ed5 cd5 9.Be2 Qb6 10.Nc3+=) 7...0-0 8.Be2 Be2 9.Ne2 a5 10.ba5+=; C) 6...Nbd7 7.e5 Nd5 8.Bd5 cd5 9.Qd5 Nb6 10.Qe4=; D) 6...Qb6 7.Qb3 (7.Bc3 Bg4 8.Qd3 0-0 9.h3 Bd7 10.Qf3+=; 7.Bf6 Bf6 8.c3 a5 9.e5 Bg7 10.ed6-/+; 7.Qa3 Ne4 8.Bg7 Qf2 9.Kd1 Rg8 10.Nf3-/+; 7.a3 Bg4 8.Qf1 0-0 9.e5 Nfd7 10.d4+=) 7...0-0 8.Nc3 a5 9.b5 cb5 10.Rb1+=; E) 6...0-0 7.e5 de5 8.fe5 Nd5 9.a3 Be6 10.Bb3+=.

5.f4 c6 6.Nf3 A) 6...0-0 7.Bf6 (7.e5 Nh5 8.g3 Bg4 9.Be2 de5 10.Ne5+=; 7.Bd3 Qb6 8.Bc3 Nh5 9.g3 Bc3 10.Nc3+=) 7...Bf6 8.d4 b5 9.Bb3 a5 10.ba5=; B) 6...b5 7.Bb3 (7.Be2 0-0 8.Bf6 Bf6 9.e5 de5 10.fe5=; 7.Bd3 Na6 8.Bc3 0-0 9.g3 d5 10.e5+=) 7...Na6 8.a3 0-0 9.d3 Qb6 10.Qe2=; C) 6...Nbd7 7.Bd4 (7.Qe2 0-0 8.e5 Nh5 9.Qe3 Qb6 10.a3=) 7...d5 8.ed5 Nb6 9.Qe2 Nc4 10.Qc4=; D) 6...Qb6 7.Bf6 ef6 8.c3 0-0 9.Qb3 f5 10.e5=; E) 6...d5 7.ed5 cd5 8.Bb5 Nc6 9.Ne5 Qb6 10.Nc3+=.

5.f4 c6 6.Bf6 Bf6 7.d4 (7.c3 a5 8.ba5 Qa5 9.Nf3 d5 10.ed5+=) 7...d5 8.ed5 cd5 9.Bb5 Nc6 10.Nf3+=.

5.f4 Nc6 6.a3 0-0 7.Qf3 (7.d3 e6 8.Qf3 d5 9.b5 Nd4 10.Bd4-/+) 7...e5 8.Ne2 Bg4 9.Qd3 ef4 10.Nf4+=.

5.f4 Nc6 6.b5 Na5 7.Bd3 (7.Be2 0-0 8.d3 c6 9.a4 Qb6 10.Nc3+=) 7...0-0 8.Nf3 c5 9.bc6 Nc6 10.Nc3=.

5.f4 Nc6 6.Bc3 a6 7.Qf3 (7.d3 0-0 8.Nf3 e6 9.0-0 d5 10.ed5+=; 7.Qe2 0-0 8.Qf3 Bg4 9.Qg3 Qd7 10.h3-/+; 7.Nf3 0-0 8.d3 e6 9.0-0 d5 10.ed5+=; 7.a4 e5 8.Qf3 ef4 9.Qf4 0-0 10.Be2+=) 7...e5 8.Ne2 Bg4 9.Qd3 ef4 10.Nf4+=.

5.f4 Nc6 6.Qf3 A) 6...0-0 7.b5 (7.a3 e5 8.Ne2 Bg4 9.Qd3 ef4 10.Nf4+=) 7...Na5 8.Be2 Bg4 9.Qd3 Be6 10.Na3=; B) 6...a6 7.e5 Ng4 8.Qb3 0-0 9.h3 Nh6 10.Nf3=; C) 6...e5 7.Ne2 (7.b5 Nd4 8.Qd3 Nd7 9.Bd5 c6 10.bc6+=; 7.a3 ef4 8.Qf4 0-0 9.Ra2 Re8 10.Ne2-/+; 7.Bb5 ef4 8.Ne2 Bd7 9.0-0 Nb4 10.Bd7+=) 7...Bg4 8.Qd3 ef4 9.Nf4 Ne5 10.Qb3=; D) 6...Rf8 7.b5 Na5 8.Be2 Be6 9.Na3 h6 10.Qd3=; E) 6...Bg4 7.Qd3 (7.Qa3 e5 8.h3 Bh5 9.g3 Ne4 10.Bd5+=; 7.Qc3 Nh5 8.Qb3 Bb2 9.Qb2 e5 10.g3+=; 7.Qb3 0-0 8.d3 a6 9.h3 Bd7 10.Ne2+=) 7...a6 8.a3 0-0 9.Nf3 e6 10.Bb3=.

5.f4 Bd7 6.Nf3 (6.e5 Nh5 (6...de5 7.fe5 Ng4 8.Qf3 0-0 9.d4 Nc6 10.Bc3+=) 7.Bc3 (7.Ne2 Nc6 8.b5 Na5 9.Bd3 Bg4 10.0-0+=; 7.Qf3 Bc6 8.Qg4 Qd7 9.e6 fe6 10.Bg7+=; 7.g3 de5 8.Be5 Nf6 9.Nf3 0-0 10.d4=) 7...Bc6 8.Qg4 d5 9.Be2 d4 10.Bb2=) 6...0-0 (6...b5 7.Bd3 a5 8.a4 ab4 9.ab5 Ra1 10.Ba1=; 6...Nc6 7.a3 0-0 8.d3 e6 9.Nc3 d5 10.Bb3=; 6...c6 7.Bf6 (7.e5 Nh5 8.g3 0-0 9.Bc3 Bg4 10.Be2=; 7.Bd4 b5 8.Bb3 0-0 9.Qe2 a5 10.c3+=) 7...Bf6 8.c3 b5 9.Bb3 a5 10.ba5=) 7.e5 (7.Bf6 Bf6 8.c3 b5 9.Be2 a5 10.d4=) 7...Nh5 8.g3 Bg4 9.Be2 de5 10.Ne5=.

5.f4 e5 6.fe5= (6.Ne2 Ne4 7.0-0 (7.d3 Nf6 8.0-0 d5 9.Bb3 ef4 10.Rf4+=) 7...d5 8.Bb3 Qd6 9.fe5 Be5 10.Be5+=) 6...Ne4 (6...de5 7.Nf3 Qe7 8.Qe2 Nh5 9.a3 Nf4 10.Qf2=) 7.Qe2 (better is 7.Nf3!?= d5 8.Bb3 Bg4 9.d4 Nc6 10.c3=) 7...Qh4-/+ 8.g3? (better is 8.Kd1!? Nf2 (8...Bg4 9.Nf3 Nf2 10.Kc1 Bf3 11.gf3 Nh1 12.ed6 Kf8 13.Qe7 Qe7 14.de7 Ke7 15.Bg7-/+) 9.Kc1 Nh1 10.ed6-/+) 8...Ng3!-+ 9.hg3 Qh1 10.ed6 Kf8?? (better is 10...Be6 11.Bg7 Qg1 12.Qf1 Qg3 13.Qf2 Qd6 14.Bb5 c6 15.Bh8 cb5-+) 11.Qe7 Kg8 12.Qd8 (12.Qf7) 12...Bf8= 13.Qf6 (13.Qf6 Qg1 14.Qf1 Qf1 15.Kf1 Bd6 16.Bh8 Kh8 17.Kf2-+; 13.Bh8?? Qg1 14.Bf1 Bh3-+). Zaidel – Kitayenko, Riga, 1959.

5.f4 e6 6.Qf3 Bd7 (6...Nc6 7.b5 (7.a3 e5 8.b5 Nd4 9.Qd3 Nd7 10.Bd5+=) 7...Na5 8.Be2 0-0 9.Nh3 a6 10.ba6=; 6...0-0 7.Be2 Nbd7 8.Nc3 Qe7 9.Nh3 c6 10.0-0+=; 6...Nbd7 7.Nc3 e5 8.Nge2 Nb6 9.Bb3 Bg4 10.Qe3+=; 6...a5 7.b5 0-0 8.Be2 Nbd7 9.Nc3 e5 10.Nh3=) 7.Ne2 c6 8.e5 Nd5 9.a3 de5 10.Bd5=.

5.h3 0-0-/+ 6.d3 (6.Nf3 Ne4 7.Bg7 Kg7-/+) 6...a5 (6...Nc6 7.Nc3-/+) 7.b5 e6 (7...c6 8.a4-/+) 8.a4 d5 9.ed5 ed5 (9...Nd5?! 10.Bg7 Kg7 11.Nf3=) 10.Bb3 Re8 11.Ne2 Nbd7 (better is 11...Qe7-/+) 12.c4? (better is 12.0-0-/+) 12...Nc5-+ 13.Ba2? (13.Bc2-+) 13...Bf5 14.Nbc3 (14.0-0 Bd3 15.Re1-+) 14...Nd3 15.Kf1 Nb2 16.Qd2 (16.Qb3 d4 17.Nd5 Nd5-+) 16...d4! 17.Qb2 (17.Qd4 Qd4 Combination; 17.Nd4 Bd3 Double attack) 17...dc3 18.Qc3 Ne4 19.Qc1 Nd2 20.Ke1 Re2! 21.Ke2 (21.Ke2 Qd3 Mate attack) 21...Qd3 22.Kd1 Nf3 (22...Nf3 23.Qd2 Qd2) 0–1. web2 – pierre, internet, 2012.

5.Ne2 0-0

6.0-0 Ne4=+ 7.Bg7 Kg7 8.Bd5 (8.d4 e5=+) 8...Nf6-/+ 9.Nbc3 Nd5 (9...c6 10.Bb3-/+) 10.Nd5 b6 (10...e5 11.d4=+) 11.Nd4 (11.Ne3 c6=+) 11...Bb7 (11...c5 12.Nb5-/+) 12.Qf3 (12.Ne3 a6-/+) 12...c5 13.bc5?? (better is 13.Nb5-/+) 13...dc5-+ (13...bc5?! 14.Rfb1 Qd7 15.Qb3-/+) 14.Qg4 Qd5 15.Nf3 Nd7 16.Rfe1 e5 17.d3 Rae8 (17...Rae8 18.Qg3 f6-+; 17...Rfe8 18.Qg3-+) 0–1. Rabold,H – Seres,F, corr ICCF EU/M/Gr89 (year?).

6.d3 a5 7.b5 c6 8.a4 d5 9.ed5 cd5 10.Bb3 Nbd7 11.0-0 Nc5 12.Nd2 Re8 (12...Qd6 13.Rb1=+) 13.Ng3 (13.Be5 Bf5=) 13...b6 (13...e5 14.Re1 d4 15.Qf3=+) 14.Re1 Bb7 (14...Bg4 15.f3 Bd7 16.Qe2=) 15.Bd4 Rc8 16.Nf3 Nfd7 (16...Nb3 17.cb3 Qd6 18.Rc1=) 17.Bg7 Kg7 18.d4 Nb3 19.cb3 e6 20.Qd2 Qf6 21.Rac1 e5 22.Rc8 Bc8 23.Rc1 (23.Qe3 e4=) 23...Qf4 24.Qf4 ef4 25.Nf1 f6 26.Rc6 Kf7 27.g3 fg3 (27...g5 28.g4=) 28.fg3 (28.hg3 Bb7 29.Rc7 Bc8+/-) 28...Ke7 (better is 28...h6!?=) 29.Ne3+/- Kd8 30.Nd5 Bb7 31.Nd2 (better is 31.Kf2+/-) 31...Bc6 32.bc6 Re6 (32...Nf8 33.Nc4 (33.Nb6?! Kc7 34.Nd5 Kc6 35.Nf6 Rd8+=) 33...Ne6 34.Nd6+-) 33.cd7+- Rd6 34.Nf4 Rd7 35.Nc4 Ke8 36.Ne2 h5 37.Kf2 g5 38.Ke3 f5 39.Nc3 f4 40.gf4 gf4 41.Ke4 Rg7 42.d5 Rg2 43.Kf4 Rh2 44.Kg3 Rh1 45.Nb6 Rg1 46.Kh2 Re1 47.Nc4 (47...Kd7 48.Na5+-) 1–0. Staberg,Karl_Arne – Eriksson,Lars_Goeran, corr SSKK, 1995.

6.d3 a6 7.0-0 Bd7 8.f4 e6 9.Nd2 Nc6 10.a3 b5 11.Bb3 a5 12.ba5 Na5 13.Ng3 Nb3 14.cb3 c6 15.f5 d5 16.fg6 fg6 17.e5 Ne8 18.Qg4 Nd6 19.d4 Nf5 20.Nf5 ef5 21.Qe2 Be6 22.Nf3 f4 23.h4 Qe7 24.b4 Bg4 25.Qd1 h6 26.Rc1 Bf3 27.Rf3 Qe6 28.Rc2 Rf7 29.Qc1 Raf8 30.Rc6 Qg4 31.Qe1 g5 32.hg5 Qg5 33.e6 Rf6 34.Rc7 Rg6 35.Qe2 Re8 36.e7 Bf6 37.Qd2 Be7 38.Rc1 Bd6 39.Rf2 Qh4 40.Rf3 Qg4 41.Qc2 Kh7 42.Kf1 Reg8 43.Rf2 Qh4 44.Kg1 Kh8 45.Re1 f3 46.Re5 Qh3 47.Qf5 Rg2 0–1. Strickland,Robert – Haymond,John, Columbia, SC, 1988.

6.d3 d5 7.ed5 Nd5 8.Qc1 b6 (8...Nb4? 9.Bg7 Nc2 10.Qc2 Kg7 11.d4+-) 9.Nd2 Bb7 (9...Nb4? 10.Bg7 Nc2 11.Qc2 Kg7 12.Qc3 Kg8 13.d4+-) 10.Bg7 Kg7 11.Nf3 Qd6 12.a3 Nd7 13.0-0 e5 14.d4 e4 15.Ng5 f5 16.Nf4 Nf4 17.Qf4 Qf4 18.Ne6 Kf6 19.Nf4 Rfe8 20.Rad1 Re7 21.g3 c6 22.a4 Rae8 23.Rfe1 g5 24.Ng2 Nf8 25.Ne3 Ng6 26.a5 f4 27.Ng2 Bc8 28.ab6 ab6 29.b5 Be6 30.Be6 Re6 31.bc6 Rc6 32.Rd2 ½–½. Fournier,Frederic – Grabowski Hubert, corr ICCF WT/M/0792, 1999.

6.d3 Nbd7 7.Qc1 c6 8.0-0 b5 (8...d5 9.ed5 cd5 10.Bb3=) 9.Bb3= Bb7 (9...a5 10.Nd4 Qb6 11.ba5 Ra5 12.Qe1=+) 10.a4 a6 (10...ba4 11.Ra4 c5 12.Qe1=) 11.ab5 ab5 12.Nd2 (12.Ra8 Qa8 13.Nbc3 c5=) 12...Ra1 (12...c5 13.bc5 Nc5 14.Ra8 Qa8 15.Nd4=) 13.Qa1 Qc7 (13...c5 14.Qa5 Qa5 15.ba5=+) 14.Bc3 (14.Qa5 Nb6 15.Bd4 Nfd7=) 14...Ra8 15.Qb2 c5 16.Nf4? (better is 16.bc5!? dc5 17.Ra1 Ra1 18.Qa1=) 16...cb4-/+ 17.Bf6 Nf6 18.Qb1? e6 0–1. carrafurca (2100) – bobbs (2305), net–chess.com, 2006.

6.d3 Nbd7 7.Nd2 e5 8.a4 Nb6 9.Bb3 a5 10.b5 Be6 11.0-0 Ng4 12.h3 Nh6 13.Be6 fe6 14.f4 Nd7 15.Nc4 ef4 16.Bg7 Kg7 17.Nf4 Qe7 18.Qd2 b6 19.d4 Rac8 20.Qc3 Kg8 21.Qe3 Kg7 22.Nd2 Nf6 23.Rae1 Rce8 24.e5+- Nd5 25.ed6 Rf4 26.Qf4 cd6 27.Qf3 (27...Nf5 28.c4+-) 1–0. Kretschmar,H – Marti, corr ICCF M–241, 1985.

6.d3 e5 7.0-0 c6 8.f4 (8.Nd2 Be6=) 8...Ng4 (8...Qb6 9.Kh1 Ng4-/+ (9...Qb4 10.Ba3 Qb6 11.Bd6+/-)) 9.Qd2=+ a5 (9...Qb6 10.d4 ed4 11.Bd4 (11.Nd4? c5-+) 11...Bd4 12.Nd4=+ (< 12.Qd4 Ne3-/+)) 10.h3 Nh6 (better is 10...Qb6 11.d4 Nf6=) 11.fe5 (11.a3 b5 12.Ba2 Nd7+=) 11...de5?? (11...b5 12.Na3 de5 13.Nb5 cb5 14.Bd5-+) 12.Na3?? (better is 12.ba5 b5 13.Bb3+=) 12...b5-+ 13.Bb3 a4 14.Nc4? ab3 15.Ne5 Qd6 16.d4? Be5 17.Qh6 Bg7 18.Qd2 ba2 19.e5 Be5! 20.Rae1 Bg7 21.Rf3 Be6 22.Ng3 Bd5 23.Rfe3 Bh6 24.Ba1 Be3 25.Qe3 Nd7 26.Ne4 Be4 27.Qe4 Nf6 28.Qh4 Nd5 29.Re5 Qb4 30.Qe1 Qe1 (30...Qe1 31.Re1 Rfe8-+) 0–1. Gubaidullin,Airat (1675) – Jangurazov,Albert (1900), Ufa RUS, Siamidi Mem, 2011.

6.d3 e5 7.0-0 Nbd7 8.Nd2 a5 9.a3 Nb6 10.Bb3 a4 11.Ba2 Qe7 12.f3 (12.Nf3 Bh6=) 12...Nh5 13.c4 c5 (13...Bd7 14.Kh1=+) 14.bc5=+ dc5 15.Rb1 Bh6 16.Bc1 (16.Kh1 Ra6=+) 16...Be3 (16...Qd6 17.Qc2-/+) 17.Kh1 Ra6 18.Qe1 (18.Qc2 Be6-/+) 18...Rd8 19.Ng3? (better is 19.Nc3 Rd3 20.Nd5 Nd5 21.cd5-/+) 19...Ng3-+ 20.Qg3 Rd3 21.Rd1 Nd7 22.Qe1 Rad6 23.Rb5 Qg5 24.Rb2 Rc3 25.Rb1 Rc1! (25...Rc1 26.Rdc1 Rd2-+) 0–1. Otto,Norbert (2075) – SC (2020), remoteschach.de, 2007.

6.d3 e5 7.Nd2 Be6 8.a4 a5? 9.b5 Nbd7 10.0-0 Nc5 11.h3 Qe7 12.f4! Bc4 13.Nc4 ef4 14.Nf4 Ne6 15.Ne2 Nd7 16.d4? Rfe8? 17.Nd2 b6 18.Ra3 Rad8 19.Rd3 Nec5? 20.dc5! Bb2 21.cd6 cd6 22.Nc4 Be5 23.Nd4! d5 24.Nc6 Qc5 25.Ne3 Rc8? 26.Qf3 Rf8 27.Rd5 1–0. Schiffler – Seiffert, Soemmerda 1950.

6.d3 Nc6

7.a3 d5 8.ed5 Nd5 9.Bg7 Kg7 10.0-0 e5 11.Ba2 Be6 12.c4 Nde7 13.Nbc3 Nf5 14.b5 Ncd4 =+. Popov – Sokolski, corr SU 1956.

7.a3 d5 8.ed5 Nd5 9.Bg7 Kg7 10.0-0 e5 11.Nbc3 (11.Bd5 Qd5 12.Nbc3 Qd8+=) 11...Nde7 (11...Nb6 12.Bb5 Nd4 13.Nd4 ed4 14.Ne4=) 12.f4+= Bg4 (12...Nf5 13.Qd2+=) 13.h3 (13.b5!? Na5 14.fe5 Nc4 15.dc4 Qd1 16.Rad1+/-) 13...Be2= 14.Ne2 Nf5 15.Qd2 f6 16.Rf2 (16.fe5 Ne5 17.Qf4 Re8=) 16...e4= 17.Qc3 e3 18.Rf3 Qd6 (18...Re8 19.Re1=) 19.Re1 (19.g4 Ncd4 20.Nd4 Nd4 21.Re3 Qf4 22.Re7 Kh8 23.Bd5 Qg3 24.Bg2=) 19...Rae8 (19...b5 20.Bb5 Ncd4 21.Nd4 Nd4 22.Bc6 Nc6 23.Rfe3=+) 20.b5 (20...Nce7 21.g4=). Trigance,Eric – Bivens, corr 3GMM–14, 1995.

7.a3 e5 8.Nd2 a5 9.b5 Ne7 10.0-0 c6 11.a4 d5 12.ed5 cd5 13.Bb3 Nd7 += 14.d4 Re8 15.c4 ed4 16.Bd4 Nf6 17.cd5 Ned5 += 18.Re1 Bg4 19.Nf3? Bf3 20.gf3 Rc8? 21.Ng3 Re1 22.Qe1 Nf4 23.Rd1! Qe8? 24.Qe8 Re8 25.Bb6 Nh3 26.Kg2 Nf4 27.Kf1 Ra8 28.Rd8 Rd8 29.Bd8 Nd7 30.Ba5 Bd4 31.Ne4 Ne5 32.Bc7 Ne6 33.Be6 fe6 34.Be5 Be5 35.Nc5 b6 36.Ne6 Bh2? 37.f4 Kf7 38.Ng5 Ke7 39.Nh3 g5 40.Kg2 1–0. Schiffler – Blechschmidt, 1950.

7.a3 Ne5 8.Bb3=.

7.a3 e6 8.0-0 a6 9.Nd2 b5 10.Bb3 e5 11.f4 Be6 12.fe5 Ne5 13.Nf4 Bb3 14.Nb3 Nfg4 15.Qc1 Rc8 16.h3 Nf6 17.Nd4 c5 18.Nf3 Nfd7 19.Ra2 c4 20.Qd1 c3 21.Bc1 Nf3 22.Qf3 Ne5 23.Qg3 Kh8 24.Be3 Nc6 25.Qf2 Qd7 26.Nd5 Qe6 27.Raa1 f5 28.Qh4 fe4 29.de4 Nd4 0–1. Kucharkowski – Sadilek, Freital 1982.

4.d3 Bg7

5.a3 0-0 6.Nc3 Nbd7 7.Nf3 b6 8.Be2 Bb7 9.0-0 c5 10.Qd2 Rc8 11.Nb5 (11.b5 c4+=) 11...a6 12.Nc3 Qc7 13.bc5 (13.b5 Ra8=) 13...Nc5 14.d4? (better is 14.Rab1!?=) 14...Nce4-+ (14...Be4? 15.dc5 bc5 16.Ba6+-) 15.Ne4 Ne4 16.Qd3 Qc2 17.Rab1 Qd3 18.Bd3 Nf6 19.Rfe1 e6 20.Nd2 b5 21.h3 Nd5 22.Be4 Ba8 23.Bd5 Bd5 24.Ne4 Be4 25.Re4 d5 26.Re2 Rc4 27.Rd2 Rfc8 28.Kh2 Kf8 29.g3 Rc2 30.Rc2 Rc2 31.Kg2 Rd2 32.Bc3 Rd3 33.Bb4 Ke8 34.Rc1 Bd4 35.Rc8 Kd7 36.Ra8 h5 37.Ra6 f5 38.Rd6-/+ Ke7 39.Rd5=+ Kf7 40.Rd7 Kf6 41.Rb7 Rb3-/+ 42.Rb5 Rb2-+ 43.Be7? Ke7 44.Rb2 Bb2 45.a4 Bc3 46.g4 hg4 47.hg4 e5 48.gf5 gf5 49.Kg3 Ke6 0–1. erisonpassos – taszer (1605), kurnik, 2011.

5.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 d6 5.e4).

5.Nf3 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 0-0 5.e4 d6).

4.d4 Nc6

5.b5 Na5 6.e5 de5 7.Qd2+=.

4.d4 Nbd7

5.c4 Bg7 (5...Ne4 6.d5 Nef6 7.Nf3=+) 6.Nd2 (6.Bd3 e5=) 6...0-0 7.Ngf3 b6 8.Bd3 (8.b5 Re8=) 8...Bb7 (8...c5 9.0-0=) 9.0-0+= e5 (9...c5 10.a3+=) 10.d5 c6 (10...a5 11.a3+=) 11.Rc1 (11.Qb1 c5 12.Ba3 Bc8+=) 11...a5 12.b5 c5 13.a4 Nh5 14.Re1 Nf4 15.Bc2 (15.Bf1 Bc8+=) 15...Nf6 16.g3 Nh3 17.Kg2 Qd7 18.Ng1 Bc8 19.Ndf3 (19.Qf3 Ng1 20.Kg1 Qh3=) 19...Bh6 20.Rb1 Qg4 (20...Kg7 21.Qd3=) 21.Kf1 (21.Ne5 Nf4 22.Kh1 de5 23.Qg4 Bg4 24.Be5+-) 21...Qh5= 22.Ke2? (better 22.Ne5!? Qd1 23.Bd1 de5 24.Be5=+) 22...Bg4-/+ 23.Kd3?? (better 23.Qd3-/+) 23...Nf2-+ 24.Kc3 Nd1 25.Bd1 Bf3 (25...Rae8 26.Kb3 g5 27.Ka2-+) 26.Nf3 Qh2 (better 26...Qh3-+) 27.Nh2+- ½–½. aravind555 – Vldimir, lichess.org, 2018.

5.d5 Bg7 6.Bb5 (6.Nf3 0-0=) 6...0-0 7.Nd2 e5 (7...a6 8.Be2+=) 8.de6 (8.Ngf3 Nb6=) 8...fe6 9.Ngf3 a6 (9...a5 10.a3=) 10.Bd7 (10.Bd3 a5 11.a3 c5=) 10...Bd7 (10...Qd7 11.c4 Qc6+=) 11.Nc4 (11.c4 Bc6 12.Qe2 Qe8=) 11...d5 (11...Ne4!? 12.Bg7 Kg7-/+) 12.ed5+= ed5 13.Nce5 (13.Ne3 a5+=) 13...Re8 (13...Bf5 14.0-0+=) 14.0-0 Bg4 (14...Bf5 15.Re1+=) 15.Re1 (15.Ng4 Ng4 16.Bg7 Kg7=) 15...Bf3 (15...Ne4 16.Qc1 Bf5 17.c4=) 16.Nf3 (16.Qf3 Qd6=) 16...Re1 17.Qe1 Qd6 (better is 17...Qd7=) 18.Ng5?? (18.Be5!? Qb6 19.Bd4=) 18...Re8 (better is 18...Ng4 19.Qe6 Qe6 20.Ne6 Bb2-+) 19.Qc3+= Nh5 20.Qf3 Qf4?? (20...Nf4 21.Bg7 Qb4+=) 21.Qd5+- Kh8 22.Bg7 (22.Nf7 Kg8 23.Nd6 Kh8 24.Bg7 Ng7 25.Ne8 Ne8 26.Qb7 Nf6+-) 22...Kg7?? (22...Ng7 23.Nf7 Kg8 24.Nd6 Re6 25.Nb7 Qb4 26.Nc5+-) 23.Rd1 (better is 23.Qd7 Kf8 24.Nh7 Kg8 25.Qe8 Kh7+-) 23...Nf6? (better is 23...Qf6+/-) 24.Ne6+- Re6 25.Qe6 Ne4 (25...Qb4 26.Qe5 Qb6+-) 26.Rd7 Kh6 27.Qh3 Kg5 28.Rd5 (better is 28.Qe3 Qe3 29.fe3 c5+-) 28...Kf6 29.Qe3 Qe3 30.fe3 Ke6 (30...Nc3 31.Rd7 Na2 32.Rc7 Nb4 33.Rb7 Nc2 34.Rb6 Ke5 35.Kf2+-) 31.c4 White prepares the advance b5 (31.Rd8 Nc3 32.a3 Nb5+-) 31...c6 (31...b5 32.Rd4 Nc3 33.Rd2+-) 32.Rd4 (32.Rd8 h5+-) 32...Nd6 (32...Nc3 33.Rd2+-) 33.b5! cb5 (33...ab5 34.c5 Combination; 33...cb5 34.cb5 Combination) 34.cb5 (34.c5 Nc4+-) 34...Nb5 35.Rb4 (35.Re4 Kd7+-) 35...Kd5 (35...Nd6 36.Rb6+-) 36.a4 Nd6 37.Rd4 (37.Rh4 h5+-) 37...Ke5 (37...Kc5 38.Rh4 b5 39.ab5 ab5 40.Kf2+-) 38.Kf1 (38.a5 g5+-) 38...Ke6 (38...b5 39.ab5 ab5 40.Ke2+-) 39.Ke2 (39.a5 Nf5 40.Rd3 Nd6+-) 39...Nf5 (39...b5 40.Kd3+-) 40.Rb4 Nd6 41.a5 Kd5 (41...h6 42.e4+-) 42.Rh4 h5 (42...Nc4 43.Rh7 Na5 44.Rg7+-) 43.Rb4 (better is 43.g4!? Kc6+-) 43...Kc5 44.Rb6 Nc4 (44...g5 45.Kd3 Kd5 46.Rb4+-) 45.Rg6 (45.Rb7 h4+-) 45...Na5 46.Rg5 Kb4 47.Rh5 b5 (47...Nc4 48.g4 b6 49.Rd5+-) 48.e4 (better is 48.Rh6!? Nc4 49.Ra6 Kc3+-) 48...Nc4 49.Kd3 a5 50.Kd4 (better is 50.e5 a4 51.e6+-) 50...a4 51.Rh8 (51.Rf5 a3 52.Rf2 Kb3+-) 51...a3 52.e5?? (better is 52.Ra8+-) 52...a2-+ 53.Ra8 Na5 54.e6 (54.Ke4 a1Q 55.Re8 Qb1 56.Kf4 Qf1 57.Kg5 Qf7-+) 54...a1Q 55.Kd5 (55.Ke4 Qe1 56.Kf3 Qd1 57.Kg3 Qd3 58.Kf2 Qd2 59.Kg3 Qe3 60.Kh4 Qe4 61.g4 Qa8-+) 55...Qh1 (better is 55...Qa2 56.Kd6 Nc4 57.Ke7 Qa8 58.g4-+) 56.Kd6 (56.Rg8 Nc4 57.Rg5 Qh2-+) 56...Qg2 (56...Qh2 57.Kd7 Qh7 58.e7 Qf5 59.Kc7 Qc5 60.Kd8 Qd5 61.Ke8 Qa8 62.Kf7 Qd5 63.Kf6 Qc6 64.Kf5 Qd7 65.Kf6-+) 57.Ra6 Qh2 58.Kd7 Qd2 (better is 58...Nb3 59.Rc6 Nc5 60.Rc5 Kc5 61.e7 Qd6 62.Ke8-+) 59.Rd6 Qd6! 60.Kd6 Nb7 (better is 60...Nc4 61.Kd5 Nb6 62.Kc6 Nc8-+) 61.Kc7 (better is 61.Kd5+-) 61...Kc5-+ 62.Kb7 Kd6 63.Kb6 b4 0–1. rabelloenter (2075) – atlantan (2000), net–chess.com, 2006.

4.d4 Ne4

5.Bd3 Nf6 6.c4 Bg7 7.Nf3 0-0 8.0-0 Nbd7 (8...Nc6 9.b5 e5 10.bc6+=) 9.a4 (9.Nbd2!?+=) 9...Re8-/+ 10.Re1 c6 (10...e5 11.Nc3-/+) 11.Qb3 (11.Qc2 Nf8+=) 11...Qc7 (11...a5 12.b5-/+) 12.Nbd2 b6 (12...a5 13.b5+=) 13.a5 Rb8 14.a6 (14.ab6 ab6 15.h3 Bb7+=) 14...c5+= 15.h3 (15.dc5 bc5 16.b5 e5-/+) 15...Nh5-/+ 16.b5 (16.g3!?-/+) 16...cd4-+ 17.Bd4 (17.Nd4 Nc5 18.Qa3 Bd7-/+) 17...Nc5 18.Qc2 Nd3 19.Qd3 e5 20.Qb3 (20.Bb2 Nf4 21.Qe3 Be6-+) 20...Be6 (20...Bh3!? 21.Bb2 Be6 22.Ng5-+) 21.Bb2 h6 22.Rac1 Nf4 23.Kh2 (23.Nf1 f5-+) 23...Rbc8 (23...Qd7 24.Rcd1 Rbc8 25.Ne4 Bc4 26.Qb4-+) 24.Re3 (24.Qa3 Qd7-+) 24...Qd7 25.Ng1? (25.Kg1-+) 25...d5 26.Be5 (26.g3 d4 27.Ree1 Nh3 28.Nh3 Bh3-+) 26...Be5 27.Re5 Qd6 (27...dc4!? 28.Qc3 Nd3 29.Re3-+) 28.Rce1? (28.Ngf3 f6 29.Re6 Re6 30.g3-+) 28...dc4 29.Qg3 0–1. Feofanov,Alexander – Pozdniakov,Vladimir, Omsk CC Championship SF, 2010.

5.Bd3 Nf6 6.d5 Bg7 7.c4 0-0 8.Nf3 Bd7 9.0-0 c6 10.Qb3 Na6 11.Nbd2 Rb8 12.a4 White plans b5 12...c5 13.b5 Nb4 14.Bc3? (better is 14.Ne4+=) 14...Nd3-+ 15.Bf6 Bf6 (15...ef6?! 16.Qd3 Re8 17.Rae1+=) 16.Qd3 Ba1 17.Ra1 e6 18.Re1 e5 19.Qc3 f5 20.Nb3 b6 21.Qd2 f4 22.Re4 Bf5 23.Re1 (23.Re2-+) 23...e4 24.Qf4 Qe7 (better is 24...ef3 25.Qf3 Qh4-+) 25.Ng5 e4 draws heavy fire 25...Rbe8 26.Nd2 Will e4 fall? 26...Bc8 27.Qh4 Qg7 28.Re3 (worse is 28.Re4 Bf5 29.Re8 Re8+=) 28...h5 29.Nge4 Bf5 30.f3 (better is 30.Nf6! Qf6 31.Qf6 Re3 32.Qf8 (32.Qd6? Re1 33.Nf1 Bd3-+) 32...Kf8 33.fe3+/-) 30...Be4 31.Ne4 Qd4? (better is 31...Kh8=) 32.Qg5?? (better is 32.Nf6! Qf6 33.Qf6 Rf6 34.Re8 Kf7 35.Ra8+-) 32...Kg7-+ 33.Kf2 (33.Kf1 Re5 34.Re2 Rg5 35.Ng5 Qc4 36.Ne6 Kf7 37.Nf8 Kf8 38.Kf2-+) 33...Re4 34.h3 Qd2 (34...Qd2 35.Kg1 Re3-+) 0–1. suhaspachore (2280) – cmulligan (2160), net–chess.com, 2011.

5.d5 Nf6=+.

4.d4 Bg7

5.Nc3 0-0 6.f4 e5 (6...a5!? 7.b5 a4=) 7.de5+= de5 8.Qd8 Rd8 9.fe5 Ng4 10.Nd5 Na6 (10...Nc6 11.Nc7 Rb8 12.Nd5+=) 11.Nf3 (11.Ba6 ba6 12.Nf3 Bb7+/-) 11...Be6 (11...Rd5 12.ed5 Nb4 13.c4 Nc2 14.Kd2 Na1 15.Bd3+=) 12.Ba6 Bd5 13.ed5 ba6 14.c4 Ne3 (14...Re8 15.Kd2 Be5 16.Ne5 Ne5 17.Be5 Re5 18.Rhe1+/-) 15.Rc1+- Ng2 16.Kf2 Nf4 17.Rcd1 Rab8 (17...a5 18.Bc1 Nh5 19.ba5+-) 18.Ba3 (18.Bc1 Nh5 19.Bd2 Rd7+-) 18...Bf8 (18...g5!?+/-) 19.Nd4 Bb4 (19...f6 20.e6 Re8 21.Bc1+-) 20.Bb4 Rb4 21.Nc6 Rdb8 22.Nb8 Rb8 23.Kf3 g5 24.Rhg1 h6 25.h4 Ng6 26.hg5 Ne5 27.Ke4 Nc4 28.gh6 Kh7 (28...Kh8 29.Rg7+-) 29.Rg7 Kh6 (29...Kh8+-) 30.Rg2 Nd6 (30...Re8 31.Kd4 Re5 32.Kc4 Rg5 33.Rg5 Kg5 34.Rg1 Kf6+-) 31.Kf3 (31.Kf3 Rb1 32.Rb1 Nf5 33.Rh1 Nh4 34.Rh4; 31.Kd3 Rb3 32.ab3 Nf5 33.Rh1 Nh4 34.Rh4) 1-0. sprasad (2515) - TVEDAS (2500), Rated Blitz game, lichess.org, 2016.

5.Bd3 c5=.

5.e5 de5!? 6.Bb5 c6-/+.

5.e5 de5 6.Be2 0-0 (6...ed4!? 7.Qd4 Qd4 8.Bd4 Nc6-+) 7.de5=+ Qd1 8.Bd1 Nfd7 (8...Ng4 9.Bg4 Bg4 10.f4=+) 9.f4= Nc6 10.b5 Nd8 (10...Nb4 11.Nc3 Nb6 12.Ba3=+) 11.Nf3 (11.Bf3 Ne6 12.Ne2 a6=) 11...Ne6 12.g3 Ndc5 (12...Rd8 13.Nc3=) 13.Nbd2 (13.Be2 a6=) 13...f6 (13...Bd7 14.Be2=) 14.Be2 fe5 (14...a6 15.ba6 Na6 16.Bc4=) 15.Ne5 (15.Be5 a6=) 15...Nd7 (15...g5!?=+) 16.Bc4 (16.Ndf3 Ndc5+=) 16...Ne5 17.fe5 Rf5 (17...c6 18.bc6 bc6 19.Rd1+=) 18.0-0-0 (18.Rd1 a6 19.ba6 b5+=) 18...Be5= 19.Rhe1 (19.Be5 Re5 20.Nf3 Re3+-) 19...Bb2 20.Kb2 Kf7 21.g4 (21.Nb3 Kf6 22.Be6 Be6+=) 21...Rf4 22.h3 (22.Re5 a6 23.Rde1 Rc4 24.Nc4 ab5 25.Rb5 b6+-) 22...Bd7 (22...a6 23.Ne4 Ke8 24.ba6 ba6 25.Kc3=+) 23.Ne4 (23.Re5 c6 24.Ne4 cb5 25.Bb3+-) 23...a6?? (better 23...Ke8=) 24.Ng5 (better 24.Rd7 ab5 25.Ng5 Ke8 26.Be6 h6+-) 24...Kf6 (24...Ke8 A) 25.Ne6?! Rc4 26.Ng7 Kf7 27.Rd7 Kg7+-; B) worse 25.Re6 Rc4 26.Re3 h6=+ (worse 26...Bb5 27.Rde1+-); C) 25.Be6 Bb5 26.Bd5+-) 25.Nh7 (25.Rd7?! Ng5 26.Bd5 A) worse 26...Nh3 A1) 27.Ree7?! Rb4 (worse 27...Rg4 28.Bb7 Rb8 29.ba6+-) 28.Kc3 Rb5=+ (worse 28...Rg4 29.Bb7 Rg3 30.Kd4+-); A2) 27.Re6 Kg5 28.Bb7+-; B) 26...c6 27.bc6 bc6 28.Bc6 Rb8 29.Kc1 Nh3 30.Rde7 Nf2=; 25.Ne6 Be6 26.Re6 Kg5+-; 25.Be6?! Bb5 26.Nh7 Kg7+-) 25...Kg7 26.Be6 (better 26.Rd7 Rc4 27.Re7 (27.Re6?! Kh7 28.Ree7 Kh6+-) 27...Kh6 28.R1e6+- (28.R7e6?! Kh7 29.Re7 Kg8+-)) 26...Be6 27.Re6 Kh7 28.Re7 Kh6 29.Rc7 (29.Rd5 Rh8 30.Rc7 Rb4 31.Kc1 Rb5 32.Rb5 ab5 33.Rb7 Ra8+-) 29...Rb4 30.Kc3 Rb5 31.Rdd7 (31.Rd6 Kg5+-) 31...Rh8 (31...Kg5 32.a4 Rb1 33.Rb7 Rb7 34.Rb7+-) 32.h4 Rb6 (better 32...Ra5!?+-) 33.Rb7+- Rb7 34.Rb7 Rf8 35.a4 Rf4 36.Rb4 Rf3 37.Kc4 Rf4 (37...Rh3 38.Kc5+-) 38.Kc5 Rf6 (38...Rf2 39.Rc4+-) 39.c4 (better 39.g5 Kg7 40.Rb7 Rf7 41.Kb6+-) 39...Rf7 (39...Rf4 40.h5 Rg4 41.hg6+-) 40.Rb6 Rf4 (40...Kg7 41.Ra6 Rf4 42.Ra7 Kf8 43.a5 Rg4 44.a6 Rh4 45.Rb7+-) 41.g5 (better 41.h5 Kh7 42.Rg6+-) 41...Kh5 42.Ra6 The passed pawn on a4 will quickly become a dangerous weapon 42...Rh4 43.a5 Kg5 44.Rd6 Rh7 (44...Kf5 45.a6 Rh8 46.a7+-) 45.a6 Kf5 (45...Re7 46.Kb6 Kf5 47.Rd8 Re6 48.Kb7 Re7 49.Kb8+-) 46.Kb6 g5 47.a7 Rh8 48.c5 Kf4 (48...g4+-) 49.c6 g4 50.c7 g3 51.Rd8 (51.Kb7 g2 52.Rg6+-) 51...Rh6 (51...g2 52.Rd1 Rg8+-) 52.Kb7 g2 53.c8Q g1Q Threatening mate... how? 54.Qc7 (54.Qc4 Kf3 55.Qd3 Kf4 56.Rf8 Kg4 57.Rg8 Kf4 58.Rg1 Rb6 59.Kb6 Ke5 60.Qe3 Kf6 61.a8Q Kf5 62.Qaf3) 54...Kf3 55.Rf8 Ke2 56.Qe7 (56.Qc4 Ke3 57.Re8 Kf3 58.Qf7 Kg2 59.Rg8 Kh1 60.Qd5 Kh2 61.Qd2 Kh1 62.Qh6 Qh2 63.Qc6 Qg2 64.Qg2) 56...Qe3 Do you see the mate threat? 57.Qe3 Ke3 58.a8Q Rh7 59.Kc8 Rh4 (59...Rc7 60.Kc7 Kd4 61.Qf3 Kc5 62.Qe4 Kb5 63.Rf5 Ka6 64.Qb7) 60.Qa3 (60.Qf3 Kd4 61.Qf6 Kc5 62.Qh4 Kc6 63.Qg5 Kb6 64.Rf6 Ka7 65.Qa5) 60...Ke4 61.Re8 Kd5 62.Qa5 (62.Qd3 Kc6 63.Re6 Kc5 64.Re5 Kb4 65.Rb5 Ka4 66.Qb3) 62...Kc6 (62...Kc4 63.Qa4 Kd3 64.Qh4 Kd2 65.Qd4 Kc2 66.Re2 Kb3 67.Rb2 Ka3 68.Qb4) 63.Re6 1–0. aravind555 – Sharva012 (1625), lichess.org, 2018.

5.e5 de5 6.de5 Qd1 7.Kd1 Ng4 8.Ke1 Be5 (8...Ne5 9.Nc3-/+) 9.Be5 Ne5 10.Nf3 (better 10.Nc3!?-/+) 10...Nf3-+ 11.gf3 Nc6 12.Bb5 (12.c3 Bf5-+) 12...Bd7 13.c3 (13.Bc6 Bc6 (13...bc6?! 14.Nc3-/+) 14.Nd2 a5 15.ba5 Ra5-+) 13...0-0-0 (13...a5 14.Bc6 Bc6 15.Ke2-+) 14.Nd2 a6 15.Ba4 (15.Be2 e5-+) 15...b5 (15...Ne5 16.Bc2-+) 16.Bb3 Be6 (16...Ne5 17.Ke2-+) 17.Be6-/+ fe6 18.Ne4 Rhf8 19.Ke2 Ne5 20.Nc5 (20.a4 Nd3-/+ (20...Nf3? 21.ab5 Rd5 22.ba6+-)) 20...Rd6 (20...Rf3 21.Rac1-+) 21.Rad1? (better 21.a4 c6 22.Ne4=+) 21...Rf3-+ 22.Rd6? (better 22.Rc1-+) 22...ed6 23.Ne6 Kd7 (23...Rc3 24.Rd1-+) 24.Nd4 (24.Ng5 Rc3 25.Nh7 Rc2 26.Ke3 Ra2-+) 24...Rc3 25.Rd1 Rc4 26.a3 Ke7 (better 26...Rc3 27.f4 Nc4-+) 27.Ra1 (27.f4 Nc6 28.Nc6 Rc6 29.Re1-+) 27...Rd4 28.Ke3 (28.Rc1 Nc4-+) 28...Rc4 (28...c5 29.bc5 dc5 30.Ke2-+) 29.h3 (29.f4 Ng4 30.Kf3 Nh2 31.Kg3 Rc2-+) 29...Rh4 30.Rh1 Nc4 (30...Nc4 31.Kd3 Na3-+) 0–1. aravind555 (1810) – dasintegral (1815), lichess.org, 2020.

5.g3? 0-0 6.Bg2 Bg4 7.f3 Bd7 8.Ne2 Nc6 9.b5 Nb8 10.0-0 (10.c4!?+=) 10...Bb5+= 11.a4 Bd7 12.c4 Nc6 13.d5 Nb4 14.Qb3 a5 15.Bc3 Ne8 16.Bg7 Kg7 17.Nd2 c6 18.Nd4 c5 19.Nb5 Bb5 20.ab5 Nf6 21.Nb1 Re8 22.Bh3 b6 23.Nd2 e6 24.de6 fe6 25.Rfd1 Qe7 26.Qe3? (26.f4 Rad8=) 26...Nd7?? (better is 26...Nc2 27.Qc3 Na1 28.Ra1 Rf8-+) 27.Nf1 Nc2 28.Qc3 Nd4 29.Rd4 cd4 30.Qd4 e5 31.Qe3 Nc5 32.Nd2 Qf6 33.Rb1 Rf8 34.Kg2 a4 35.g4? (35.Rf1-+) 35...a3 36.g5 Qf4 37.Qf4 Rf4 38.Ra1 a2 39.Bg4 Nd3 40.h4 (40.Nf1 Nb4 41.Ne3 Ra3-+) 40...Ne1 (better is 40...Nb4 41.h5-+) 41.Kf2 (41.Re1 a1Q 42.Ra1 Ra1 43.Nf1-+) 41...Nc2 42.Ra2 (42.Rh1 a1Q 43.Ra1 Ra1-+) 42...Ra2 43.h5 (43.Nf1 Nd4 44.Kg3 Ra3-+) 43...Nd4 (better is 43...gh5 44.Bf5-+) 44.h6 Kf7 45.Ke3 Rd2 46.Kd2 (46.Kd2 Nf3 47.Bf3 Rf3 48.Kc2-+). slavisa10 – DKPs, Live Game Caissa's Web, 2004.

5.g3? Ne4!? 6.Nd2 Nf6-/+.

4.e5 de5

5.Be5 Nc6 6.Bf6 ef6 7.b5 Nd4 8.c3 Qe7 9.Be2 Nb5 10.Nf3 Bg4 (10...Bg7 11.0-0 Nd6 12.Re1-/+) 11.0-0=+ Nd6 12.Nd4 Be2 13.Ne2 0-0-0 14.Nd4 (14.Re1 Qd7=+) 14...f5 15.Qa4 Qd7?? (better is 15...a6=+) 16.Qa7+/- Qe7 17.Re1?? (better is 17.Na3+/-) 17…Qe1 0–1. eds – CHE, Live Game Caissa's Web, 2004.

5.Be5 Bg7 6.b5 b6 7.c4 Bb7 8.Nf3 c5 9.Be2 0-0 10.0-0 a6 11.a4 Nbd7 12.Bb2 ab5 13.ab5 Ra1 14.Ba1 Qa8 15.Bf6 Nf6 16.d4 cd4 17.Qd4 e6 18.Qh4 Qa2 19.Re1 Rd8 20.Ne5 Qe2 21.Rf1 Rd1 0–1. piet5555 (1770) – tufak (1865), lichess.org, 2020.

5.Be5 Bg7 6.Qf3 0-0 7.Nc3 (better 7.Bb5=+) 7...Bg4?? (better 7...Nc6 8.Bf6 Bf6-/+) 8.Qb7+- Nbd7 9.Bc7 Qc8 (9...Qe8 10.Bb5+-) 10.Ba6 Qb7 (10...Nb8 11.Qc8 (11.Qa8?! Qc7 12.Bb5 Na6+-) 11...Bc8 12.Bc8 Rc8 13.Bg3+-) 11.Bb7 Rae8 12.Rc1 Nb6 13.Bc6 (13.Nf3!? Be6+-) 13...Rc8 14.Bb6 Rc6? (better 14...ab6 15.b5 Rfd8+-) 15.Ba7 Re6 (15...Ra8 16.Be3+-) 16.Be3 Nd7 17.Nd5 (17.a4 Bc3 18.dc3 f5+-) 17...f5 (17...Rc8 18.c3+-) 18.Ne2 (better 18.f3 f4 19.fg4 (worse 19.Nf4 Rf4 20.c4 Nb6+-) 19...fe3 20.Ne3+- (worse 20.de3 Nb6 21.c4 Nd5 22.cd5 Re3 23.Ne2 Re4+-)) 18...Be2 19.Ke2 Bh6? (19...f4 20.Rhd1 fe3 21.de3 Nf6+-) 20.Kd1 (20.g3 Be3 21.de3 Nb6 22.Nb6 Rb6+-) 20...Bg7 (20...f4 21.Bd4 Rd6 22.c4+-) 21.a4 (better 21.b5 Ra8 22.Nc7 Re3 23.fe3 Ra2+-) 21...Ra8 (21...Rd6 22.c4 (worse 22.Ne7 Kf7+-) 22...e6 23.Bf4+-) 22.a5 (22.Nc7 Re3 23.Na8 Re4+-) 22...g5 (22...Rd6 23.c4 (worse 23.Ne7 Kf7+-) 23...Kf7 24.Re1+-) 23.Nc7 f4 (23...Re3 24.fe3 Rb8 25.Rb1+-) 24.Ne6 fe3 25.Ng7 (25.fe3 Bb2 26.Rb1 Bf6+-) 25...Kg7 (25...ed2 26.Kd2 Kg7 27.c4+-) 26.fe3 Ne5 27.Rf1 Ng4 (27...Rb8 28.Rb1+-) 28.h3 Ne5 29.Rf5 (29.Ra1 Nc6 30.c3 Na7+-) 29...Nc4 (29...Nf7 30.d4+-) 30.Rg5 Kf6 31.Rd5 (31.Rc5 Nb2 32.Ke2 Ke6+-) 31...Nb2 (31...Rb8 32.Rb1+-) 32.Ke2 Rg8 33.Kf3 (33.g4 Rb8+-) 33...Nc4 34.Rf1 (34.d3 Ne5 35.Kf4 Nc6+-) 34...Ke6 35.Rh5 (35.Rd4 Ne5 36.Kf2 Nc6+-) 35...Ne5 (35...Nd2 36.Ke2 Nf1 37.Kf1+-) 36.Ke2 (36.Kf2 Nc6+-) 36...Rg2 37.Kd1 (37.Rf2 Rg7+-) 37...Nc4 38.a6 (38.Rf4 Nd6+-) 38...Nb2 (38...Rd2 39.Kc1 Rd7 40.Rf4+-) 39.Kc1 Na4 40.a7 Rg8 41.Ra5 Nb6 42.Ra6 Kd7 43.c4! Na8 (43...Nc4 A deflection 44.a8Q) 44.b5 Kc7 (44...Rd8 45.Rf7 Rc8 46.d3+-) 45.c5 (better 45.Rf7 Re8 46.Rh7+-) 45...Rb8 (45...h5+-) 46.Rc6 (46.ab8Q Kb8 47.Rf8 Kb7 48.Rfa8 e5 49.R6a7) 46...Kb7+- 47.Re6 (47.ab8R Kb8 48.Rf8 Ka7 49.Ra6 Kb7 50.Rfa8 e5 51.R6a7) 47...Ka7 48.Re7 Rb7 49.Rb7 (49.Rff7 Re7 50.Re7 Kb8 51.Rh7 Nc7 52.Rc7 Kc7+-) 49...Kb7 50.Rf7 Kc8 51.Rh7 Nc7 52.Rc7! Kc7 53.h4 Kd7 54.h5 Ke6 55.h6 (55.h6 Kf6 56.b6 Kg6 57.c6 Kf5 58.h7 Kf6 59.h8Q Ke6 60.c7 Kf5 61.c8Q Kg6 62.Qe6 Kg5 63.Qhh6) 1–0. aravind555 – javiergo777, lichess.org, 2018.

5.Be5 Bg7 6.Nf3 0-0 7.c4 Nc6 8.Bc3 a6 9.b5 ab5 10.cb5 Na7 (10...Na5 11.Be2+=) 11.a4 (11.Bc4 Bg4+=) 11...Bf5 (11...Bg4 12.Be2+=) 12.Bc4 (12.Be2 Qd7+=) 12...Bd3 (12...Nc8 13.a5+=) 13.Qb3 (13.Bd3 Qd3 14.Qe2 Qe2 15.Ke2 Rfd8=) 13...Nc8+= 14.Bf7 (better is 14.a5+=) 14...Kh8 (14...Rf7 15.Ne5 e6 16.Qe6 Qe7 17.Qf7 Qf7 18.Nf7 Kf7-/+) 15.Be6 (15.Ne5 Ne4 16.Bb2 e6+/-) 15...Bb1 (15...Nd6!?+=) 16.Rb1+/- Qd3 (16...Nb6 17.Ra1 Nfd5 18.0-0 Nc3 19.dc3+-) 17.Ne5 (17.Ng5 Ra4 18.Rd1 Re4 19.Ne4 Qe4 20.Kf1 Nd6+/-) 17...Qe4 Black gets strong initiative 18.Kf1 Nd6 (18...Ra4?? 19.Re1 Nb6 20.Re4 Ne4 21.Bf7 Ra1 22.Ba1 Nd2 23.Ke2 Nb3 24.Bb3+-) 19.Ra1 (19.a5 Qh4 20.Nf3 Qh5+/-) 19...Nh5+= 20.Nf3 (20.Re1!? Qa4 21.Qa4 Ra4 22.Nd7=) 20...Nf4= Do you see the mate threat? 21.Bg7 Kg7 22.Qc3 (22.Re1 Qa4 23.Qa4 Ra4+=) 22...Kh6+= 23.Bb3?? (23.Re1 Qa4 24.Qe5 Qb5 25.Qb5 Nb5 26.Bd7-+) 23...Qe2-+ 24.Kg1 Nh3! 25.gh3 Theme: Deflection from f3 25...Rf3 A double attack (25...Qf3?! 26.Qe3 Qe3 27.de3=) 26.Qd4 Rb3 27.Qh4 (27.Qf4 g5 28.Qg4 Rf3-+) 27...Kg7 28.Qd4 (28.Qg4 Rf3 29.Rf1 Ne4-+) 28...e5 29.Qh4 Rf8 30.Rc1 30...Rf7 31.Rc3 Rb1 0–1. Vesson,Eric – Cerovic,Novo, Saint Quentin op, 2000.

5.Be5 Bg7 6.Nf3 0-0 7.c4 Nc6 8.Bc3 Bg4 9.b5 (9.Be2 a6=+) 9...Bf3 (9...Nd4 10.Bd4 Bf3 11.Qf3 Qd4 12.Nc3-+) 10.Qf3 Nd4 11.Bd4 (11.Qd3!? Ng4 12.Na3-/+) 11...Qd4-/+ 12.Nc3 Rad8 (better 12...Ne4! 13.Rd1 Nd2-+ (worse 13...Nc3 14.dc3 Qc3 15.Qc3 Bc3 16.Ke2-/+)) 13.Rd1=+ Qe5 (13...Bh6 14.Nb1=+) 14.Be2 Nd7 (14...Bh6 15.a3=+ (15.Qb7?? Bd2 16.Kf1 Bc3-+)) 15.Qb7 (better 15.d4!? Qd6 16.c5+=) 15...Nc5= 16.Qf3 (better 16.Qc6=) 16...Qe6 (better 16...Nd3! 17.Kf1 Nb2=) 17.0-0 (17.Nd5 Bd4+-) 17...Bc3 (17...Qd6 18.Rfe1+-) 18.dc3 White creates threats along the open d–file 18...Rd1 (18...Ne4 19.Qe3+-) 19.Rd1 (19.Bd1?! Qc4 20.Qc6 Rc8= (worse 20...Qc3 21.Qc7 e5 22.Qa7+-)) 19...Na4 20.h3 Nc3 21.Qc3 Deflection from e2 21...Qe2 22.Qb3 (22.Re1 Qa2 23.Re7 Rc8+-) 22...Rb8+= 23.a4 a6 24.Rd7 ab5 25.ab5 c6 26.b6 (26.Qg3 Re8 27.bc6 Qe6+-) 26...Qe6? (26...Qe1 27.Kh2 Qf2 28.b7=) 27.Rc7 (27.Qd1 Kg7 28.Qd4 Qf6 29.c5 Qd4 30.Rd4+-) 27...Kg7? (27...Qe1 28.Kh2 Qe5 29.Qg3 Qg3 30.Kg3 Rb6 31.c5=) 28.b7 (better 28.Qc3 Kg8 29.c5+-) 28...Qe1+= 29.Kh2 Qe5 30.g3?? (better 30.Qg3 Qb2 31.c5+=) 30…Qc7-+ (30...Qc7 31.Kg2 Rb7-+) 0–1. aravind555 (1760) – Netfor (1720), lichess.org, 2020.

5.Be5 Bg7 6.Nf3 0-0 7.Be2 Nc6 8.Bc3 a6 9.a4 (9.0-0 Qd6-/+) 9...Re8 (9...Nd5!?-+) 10.b5-/+ ab5 11.ab5 Ra1 12.Ba1 Nb4 13.0-0 c5 (13...Bf5!? 14.Na3 Qa8-/+) 14.bc6+= bc6 15.Re1 (15.Na3 Bf5+=) 15...c5 (15...Bf5 16.Na3-/+) 16.Na3+= Bf5 17.Bb5 Bd7 (17...Rf8 18.Qc1+=) 18.Bc4 (18.Qe2 Bb5 19.Qb5 Qa8=) 18...Qa5 19.Bb2 e6 20.Qa1 (20.Bb3=) 20...Nh5 (better is 20...Qd8!?=) 21.Bg7+= Ng7 22.Ne5 Ba4 23.Ng4 Ra8 (23...Re7 24.Qf6 Qc7 25.c3+=) 24.Qf6 (24.Nh6 Kf8 25.Be6 Re8 (25...Ne6?? 26.Qf6 Ke8 27.Nc4+-) 26.Bf7 Re1 27.Qe1 Be8+-) 24...Be8+/- 25.Be6 Qa3 (25...Ne6?? 26.Nh6 Kf8 27.Re6 Qa3 28.Qh8; 25...fe6?? 26.Nh6 Kh8 27.Qf8) 26.Bf7?? (26.Nh6 Kh8 27.Bc4+/-) 26...Bf7= 27.Nh6 Kh8 28.Nf7 Kg8 29.Nh6 Kh8 30.h3 Qa6 (30...Nc2?? 31.Qf7 Qa2 32.Re8 Re8 33.Qa2+-) 31.Qf3 Nf5?? (better is 31...Nh5=) 32.Nf5+- gf5 33.Qf5 (better is 33.Qc3 Kg8 34.Qc5+-) 33...Qd6= 34.c3 (34.g3 Rf8 (34...Qd2 35.Qf6 Kg8 36.Re7 Qe1 37.Re1 Nd5 38.Qg5 Kf7 39.Qd5 Kf8 40.Qa8 Kg7 41.Qb7 Kf6 42.Qe7 Kg6 43.g4 h6 44.Re6) 35.Qe5 Qe5 36.Re5 c4=) 34...Nd3+= 35.Re3 ½–½. Ivanets,Vladimir (2110) – Moiseenko,Andrey (1850), Voronezh RUS, 2014.

4.f3 Bg7

5.d4 Nbd7 6.Bd3 0-0 7.c4 (7.Ne2 c5=) 7...c5 8.bc5 dc5 9.d5 Nb6 (9...e5 10.Ne2=) 10.Nd2 e6 11.e5 (11.Qc2 Nh5 12.g3 Bb2 13.Qb2 Ng7=) 11...Nfd7 12.d6? (12.f4!? ed5 13.Ngf3+=) 12...Qg5 (12...Ne5!? 13.Be2-+) 13.Qe2 (13.f4 Qf4 (13...Qg2?? 14.Be4 Qe4 15.Ne4+-) 14.Ne2 Qh4 15.g3 Qh6-+) 13...Ne5-+ (13...Be5?! 14.Ne4 Qh4 15.g3+=) 14.Nh3?? (better is 14.Kf1-+) 14...Nd3 15.Qd3 Qg2 (15...Bb2 16.Ng5 Ba1 17.Nge4+/-) 16.Bg7 (16.0-0-0 Bb2 17.Kb2 Qh3-+) 16...Qh1 (16...Kg7?! 17.Nf2-/+; 16...Qh3?! 17.Bf8 Qh4 18.Kd1 Kf8 19.Kc1=) 17.Kf2 (17.Nf1 Kg7 18.Qe2-+) 17...Qa1 (better is 17...Qh2 18.Ke1 Kg7 19.Qc3 f6 20.Nf2-+) 18.Bf8?? (better is 18.Ba1 e5 19.f4+-) 18...Kf8-+ 19.Qe3 (19.a3 e5 20.Kg2 Bh3 21.Kh3 Qd4 22.Qd4 ed4-+) 19...Qf6 (better is 19...Qa2 20.Kg3 Kg8 21.Ne4-+) 20.Ng5 Kg8 21.Nde4 (21.Nge4 Qh4 22.Kg1 Nd7-+) 21...Qf5 (better is 21...Qb2 22.Qd2 Qe5 23.Kg2-+) 22.Qc3 (22.Nd2-+) 22...Qf4 (better is 22...e5 23.f4 Qf4 24.Qf3 Qh2 25.Qg2 Qg2 26.Kg2 Bf5 27.Nc5 Nc4 28.Nb7 f6-+) 23.Nf6+- Kf8 24.Nfh7 Ke8 25.Qh8?? (25.Nf6 Kf8 26.Ngh7 Kg7 27.Ne8 Kh6 28.Qg7 Kh5 29.Nhf6 Kh4 30.Qh8 Kg5 31.Ne4 Qe4 32.Qf6 Kh5 33.fe4 Nd7 34.Qf3 Kg5 35.Qe3 Kg4 36.Ng7 e5 37.Qg3) 25...Kd7-+ 26.Nf6 Kc6 (better is 26...Kd6 27.Nf7 Ke7 28.Nh6 Nc4 29.Nhg4-+) 27.Qe8 (27.Nf7 Nc4 28.Qe8 Kb6 29.Ng4-+) 27...Bd7 28.Nd7 (28.Qf7 Qg5 29.Nd7 Nd7 30.Qe6 Rh8-+) 28...Nd7 (better is 28...Re8 29.Nb6 Qg5-+) 29.Qa8 Qd6 (29...Qg5 30.Qa7 Qd2 31.Kg3 Qd6 32.Kh3-+) 30.Qa7?? (better is 30.Nf7 Qh2 31.Kf1 Qh1 32.Kf2 Qh4 33.Kg2-+) 30...Qh2 31.Ke3 Qe5 (31...Qg1 32.Ke2 Qg5 33.Qa4 Kc7 34.Qa3-+) 32.Kd2 (32.Kd2 Qg5 33.Kc2 Qg2 34.Kc1 Qf1 35.Kc2 Qc4 36.Kd2 Qf4 37.Kc2-+; 32.Ne4 f5 33.Qa4 Kc7 34.Qa5 Kc8 35.Qa8 Nb8 36.Qa4 Qd4 37.Kf4-+). slavisa3 – oooo, Live Game Caissa's Web, 2004.

4.Nf3 e5

5.Nc3 Nc6 6.a3=.

5.Nc3 Bg4 6.h3 Bf3 7.Qf3 (7.gf3 d5 8.d4 Bd6=) 7...Bg7 8.a3 0-0 9.Bc4 Nc6 10.0-0 Nd4 11.Qd3 a6 12.f4 b5 13.Ba2 Nh5 14.fe5 de5 15.g3 Qd7 (15...Qg5 16.Kh2=) 16.Kg2+= Rad8 17.a4 Qe7 (17...c6 18.ab5 ab5 19.Rf2=) 18.Nd5 Qg5 19.h4 Rd5?? (better is 19...Qg4 20.Bd4 ed4 21.ab5 ab5+/-) 20.hg5+- (20...Rdd8 21.ab5 ab5 22.Bd4 Rd4 23.Qb5 Rd2 24.Kh3+-; 20.ed5?! Qg4 21.Bd4 e4+=) 1–0. b4_player (2060) – nn, GameColony.com, 2002.

5.Nc3 Bg7 6.Be2 (6.Bb5 c6 7.Be2 0-0=) 6...Nbd7 (6...Nc6 7.a3=) 7.0-0+= 0-0 8.d4 (8.Re1 Nb6+=) 8...Qe7 (8...ed4!? 9.Nd4 c5+=) 9.de5 (9.d5 a5 10.a3 Nh5+=) 9...Ne5= 10.Qd4 (10.Rb1 Be6=) 10...Nfg4 (10...Be6 11.Ne5 de5 12.Qe5 Qb4 13.Rfb1=) 11.Qd1 (11.Nd5 Qd7 12.Ne5 Be5 13.Bg4 Bd4 (13...Qg4?? 14.Nf6 Kg7 15.Ng4 Bd4 16.Bd4 f6 17.Ne3+-) 14.Bd7 Bb2+=) 11...Nf3 12.Bf3 Qh4 Do you see the mate threat? 13.h3 Ne5 14.Be2 Be6 15.Nd5 (15.a4 a5 16.b5 Nc4 17.Bc4 Bc4+=) 15...Nf3 (15...Qe4 16.Nc7 Rac8 17.Ne6 fe6 18.c4-/+) 16.Bf3= Bb2 17.Rb1 Be5 18.Nc7 (18.Bg4 Bd5 19.Qd5 h5=) 18...Bh3 The mate threat is Bxg2 19.g3 (19.gh3 Qf4) 19...Qd8 (19...Bg3 20.fg3 Qg3 21.Kh1=) 20.Na8+= Bf1 21.Qf1 Qa8 (21...Qf6 22.Kg2 Ra8 23.Qb5=) 22.c4 Qc8 23.Rd1 Qe6 24.Rd5 Kg7 (24...a6 25.Qd3+=) 25.Qd3 The isolani on d6 becomes a target 25...h5 (25...h6 26.Bg2 Rc8 27.f4+=) 26.Bg2 h4 (26...Rc8 27.f4 Bb2 28.a3+=) 27.f4+/- (27.gh4?! Qf6+=) 27...Bb2 (27...Ba1 28.Rd6 Qg4 29.Qd1 Qd1 30.Rd1+/-) 28.Rd6+- Qg4 29.Rd7 (29.e5 a5 30.Qb3 Qe2+/-) 29...Rh8 (29...hg3 30.Qd6 Qe2=) 30.Rb7 (30.Qd2 Ba1 31.Qd5 Qg3 32.Rf7 Kh6 33.Qg5 Qg5 34.fg5 Kg5 35.Rb7 a6+=) 30...hg3 (30...Qg3 31.Qg3 hg3 32.Rd7+/-) 31.Qd2 Threatening mate... how? (31.Ra7? Qf4 32.Rf7 Qf7-+) 31...Ba1 (31...Ba1 32.Ra7 Qe6+-). Marshall,Ron – Klutz,Joe, IECC, 1997.

5.Bc4 Ne4 6.Qe2 d5 7.Be5 Rg8 8.Bc7 Qc7 9.Bd5 Bb4+/-.

5.Bc4 Ne4 6.Qe2 d5 7.Ne5 f6= (< 7...dc4 8.Ng6 hg6 9.Qe4 Qe7 10.Qe7 Be7 11.Bh8+/-).

5.Bc4 Be6 6.Be6+= fe6 7.d4 (7.d3 Bh6=) 7...Ne4= 8.de5 d5 9.b5 (9.a3 c5 10.Nc3 Ng5=) 9...Nd7 (9...Qd7 10.Nd4+=) 10.0-0= Bc5 11.c4 (11.Nbd2 Nd2 12.Qd2 a6=) 11...c6 12.Nbd2 Nf2 (12...Nd2 13.Nd2 0-0 14.Nb3=) 13.Rf2 Bf2 (13...Qb6 14.Qe2+=) 14.Kf2+= 0-0 15.Kg1 cb5 16.cd5 ed5 17.Qe2 (17.Qb3 Nc5 18.Qb5 b6+/-) 17...Qc7 (17...b4 18.Nb3+=) 18.Rc1 Nc5 (18...Qa5!?+/-) 19.Qb5+- b6 20.Nb3 Rf3? (better is 20...Rac8+/-) 21.gf3+- (worse is 21.Nc5 bc5 22.gf3 Rb8+-) 21...Qe7 (21...a6 22.Qb4 Qd8 23.Nc5 bc5 24.Qc5 Qg5 25.Kf1+-) 22.Nc5 Rc8 (22...bc5 23.Rc5 Qf7 24.Rd5 Rf8+-) 23.Nd7 Qg5 24.Kf2 Qh4 (24...Qd2 25.Qe2 Qe2 26.Ke2 Rc1 27.Nf6 Kf7 28.Bc1 Ke6+-) 25.Ke2 Qh2 (25...Re8 26.Qd5 Kg7 27.e6 Kh6 28.Ne5+-) 26.Kd3 Rc1 27.Nf6 Kg7 28.Qd7 (28.Qd7 Kh8 29.Qd8 Kg7 30.Qg8 Kh6 31.Bc1 Qf4 32.Bf4 g5 33.Qh7) 1–0. DEFFM – GuestFGKZ, freechess.org, 2018.

5.Bc4 Bg4 6.h3+= Bh5? (better is 6...Be6!? 7.Be6 fe6=) 7.g4+/- Ng4 8.hg4 Bg4 9.Nc3 Qf6 (9...f5 10.d3+/-) 10.Nd5 (10.Rg1!? Bf3 11.Nd5 Bd1 12.Nf6 Kd8 13.Rd1 Bg7+-) 10...Qf3+/- 11.Qf3 (worse is 11.Nc7 Kd7 12.Qf3 Bf3+=) 11...Bf3 12.Rh3 Be4 (12...Bg2!? 13.Rh2 Be4 14.Nc7 Ke7+/-) 13.Nc7+/- Kd8 (13...Ke7 14.Re3 Bc2 15.Na8+-) 14.Na8 b6 (14...b5 15.Bf7 Na6 16.c3+-) 15.Bf7+- Ba8 (15...Bg7 16.Ra3 Ba8 17.Ra7+-) 16.Bg6! h6 (16...hg6 17.Rh8 Pinning (17.Rh8 Deflection)) 17.d4 Rg8 18.Rg3 Nd7 (18...e4 19.c4 d5 20.c5+-) 19.0-0-0 Be7 (better is 19...Bc6+-) 20.de5 Bg5 21.Rg5! hg5 22.Rd6 Rh8 (22...Kc7+-) 23.e6 Rh1 (23...Ke7 24.Rd7 Ke6 25.Bf5 Kf5 26.Bh8+-) 24.Kd2 Ke7 (24...Bc6 25.ed7 Bd7+-) 25.ed7 Rh8 0–1. arsigval (1950) – arsigen (1950), net–chess.com, 2008.

5.Bc4 Bg7 6.0-0 (6.Nc3 Nc6=) 6...0-0 (6...Ne4 7.Qe2 Nf6 8.d4=+) 7.d3 (7.Qe2 c6=) 7...Kh8 (7...Nc6 8.a3=) 8.Nc3 (8.Ng5 Qe7+=) 8...Nh5 (8...Nc6 9.a3=) 9.Bc1 (9.d4 Nc6 10.de5 Ne5 11.Ne5 Be5=) 9...f5 (9...Nf4 10.Be3+=) 10.Bg5 (10.Ng5 Qe7+=) 10…Bf6 (10...Bf6 11.Be3 Nf4+=; 10...Nf6 11.Nd5+=). bicycle – carlosfandangos, ChessWorld.net, 2007.

5.d3 Bg7 6.Be2 Nbd7 7.Nbd2 c6 8.c4 0-0 9.0-0 Nh5 10.g3 a5 11.a3 b5 (11...Qb6!?=) 12.cb5+= cb5 13.d4 Qb6 14.de5 de5 15.Qb3 ab4 16.ab4 Bb7 17.Ra8 Ra8 18.Ng5 Qf6 19.Ngf3 (19.f4!? Rf8 20.Qd3+/-) 19...Bc6= 20.Rc1 Qd6 21.Qc3 Ra6 22.Bd1 Nhf6 23.Bb3 Be4?? (23...h6 24.Rd1=) 24.Bf7?? (better is 24.Qc8 Bf8 25.Ne4 Ne4 26.Rc7+-) 24...Kf7= 25.Ng5 Ke7 26.Nge4 Ne4 27.Ne4 Qd5 28.Nc5 (28.Qe1 Kf7+/-) 28...Rc6= 29.Qe3 Nb6 (29...Nc5 30.bc5 Kf7 31.h3=) 30.Qg5 (better is 30.Qe2!?+/-) 30...Kf8 31.Qg4 Qd2?? (better is 31...Rd6=) 32.Ne6+- Re6 33.Qe6 Qb2 34.Rd1 Nd5 35.Rd5 Qb1 (35...Qa1 36.Kg2 Qa8 37.f3+-) 36.Kg2 Qe4 37.Kh3 Qf5 38.Qf5 gf5 39.Rb5 Ke7 (39...Bf6 40.Rd5 Ke8+-) 40.Rb7 Kf6 (40...Kd6 41.Rg7 Kd5 42.Rh7+-) 41.Rg7! 1–0. Torres,Dou (2080) – Pereira,Am (1875), ch–BRA s/f, Dois Irmaos BRA, 2008.

4.Nf3 Bg4

5.Be2 Ne4?? 6.Bh8+- f6 (6...Nc6 7.d3 Nf6 8.b5+-) 7.d3 Ng5 8.Ng5 Be2 9.Qe2 fg5 10.0-0 e5 11.d4 Nc6 (11...Nd7 12.Nc3 c6 13.b5+-) 12.de5 de5 (12...Ne5 13.Qb5 Qd7 14.Qb7+-) 13.b5 Nd4 (13...Ne7 14.Nc3 Qd7 15.Rad1+-) 14.Qe5 Be7 (14...Kf7 15.Qd4 Qd4 16.Bd4+-) 15.Qd4 Qd4 16.Bd4 b6 (16...Rd8 17.Rd1+-) 17.Re1 (17.Nc3 0-0-0 18.Rad1 g4+-) 17...Rd8 (17...Kf7 18.Nc3+-) 18.c3 (18.Bf6 Rd7+-) 18...Rd7 (18...Kf7 19.Nd2+-) 19.Bf6 (19.Nd2 Kf7+-) 19...h6 20.Be7 h5 (20...Re7 21.Nd2 g4+-) 21.Bg5 Kf7 22.Nd2 (22...Kf8 23.Nf3+-) 1–0. tschulz – Master1, MySchachOpen, 2005.

5.Be2 Bg7 6.h3 Bd7 7.0-0 0-0 8.d3 Nc6 9.a3 a6 10.Nbd2 Qc8 11.Nh2 (11.d4 d5 12.Bd3 de4 13.Ne4 Bf5=) 11...Nd8 (11...Ne4!? 12.Bg7 Nd2 13.Bf8 Nf1 14.Be7 Nh2+=) 12.d4 Ne6 13.Re1 Re8 (13...c5 14.e5 de5 15.dc5+=) 14.Bf1 (14.c4 Nf4+=) 14...Bb5 (14...c5 15.d5 Nf4 16.Nc4+=) 15.c4+= White intends d5 15...Bd7 16.Qc2 c6 17.Rac1 (17.Nhf3 b6+=) 17...Nh5 (17...b6 18.Nhf3+=) 18.Ndf3 b5 (18...a5 19.d5 cd5 20.ed5+=) 19.d5+/- Nc7 (19...cd5!? 20.ed5 Bb2 21.Qb2 Nc7+=) 20.Bg7 Ng7 21.c5 (21.dc6 Be6+-) 21...cd5 22.cd6 Nce6? (22...de4 23.Qc7 ef3 24.Re7 (24.Nf3?! Ne6 25.Qc8 Bc8=; worse is 24.de7 Be6+/-) 24...Qc7 25.Rc7+/-) 23.Qd2 (23.ed5 Qc2 24.Rc2 Nf4+-) 23...Qd8 24.ed5 Nf8 25.de7 Re7 26.Re7 Qe7 27.d6 Qd8 28.Ne5 Be6 (28...Ne8 29.Rd1+- (29.Nd7?! Qd7 30.Rd1 Rd8+=)) 29.Nhf3 (29.Nc6!? Qf6+-) 29...Nf5+/- 30.Rd1 (30.Rc6 f6 31.Ng4 Bd7+-) 30...Rc8 (30...Bb3!? 31.Nc6 Qd7+=) 31.g4 Ng7 (better is 31...Nh4+-) 32.Qh6?? (better is 32.d7 Rc7 33.Qd6 Bd7 34.Qa6+-) 32...f6= 33.Nd3 Qd6 34.Be2 Bb3 35.Rd2 Rc2? (35...Nd7 36.Nc5 Bd5 37.Na6=) 36.Nc5?? (better is 36.Bd1 Rc3 37.Nc5 Qc5 38.bc5 Bd1 39.Rd1 Rf3 40.Kg2+-) 36...Rd2+/- 37.Qd2 (37.Nd2?! Bd5=) 37...Qc6?? (better is 37...Qd5+/-) 38.Nb3 1–0. jammboy – Skean Du, ChessWorld.net, 2006.

5.h3 Bc8 6.Bc4=.

4.Nf3 Bg7

(--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e4 d6).

5.d3 Bg4 6.Be2 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 0-0 5.e4 d6 6.Be2 Bg4).

4.f4 Nbd7

4.f4 e5

4.f4 Bg4

4.f4 Bg7

5.Bb5 Bd7 6.Bd7 Nbd7=.

5.Qe2 0-0 6.Nc3 a5 7.b5 b6 8.0-0-0 Bb7 9.h4 a4 10.g4 (10.a3!?=) 10...a3-/+ 11.Ba1 e5 (better 11...Ne4!? 12.Rh3 Nc3 13.Bc3 Bc3 14.Rc3 Ra4-/+) 12.f5 Nbd7 13.Rh3 (13.h5!?+/-) 13...Nc5= e4 becomes the focus of attention 14.Bg2 d5 15.d4 (better 15.ed5!? Nd5 16.Bd5 Bd5 17.h5+=) 15...ed4=+ 16.Rd4 Nce4 17.Ne4 (better 17.fg6!? fg6 18.Nd5 Bd5 19.c4-/+) 17...Ne4-+ 18.Be4 Bd4 19.Bd4 de4 20.Bc3 (20.Qe3 Qd7 21.Ne2 Ra4-+ (21...Qb5 22.h5 Rad8 23.hg6 fg6 24.Rh7 Rd4 25.Rh8 Kf7 26.Rf8 Kf8 27.Qh6 Ke7 28.Qg7 Kd6 29.Qf6 Kd7 30.Qd4 Bd5 31.Nc3 Qf1 32.Kd2 Qf4 33.Ke1 Qc1 34.Kf2 Qc2 35.Kg3=)) 20...Qd5 21.h5 Qa2?? (better 21...g5 22.Qd2 h6-+) 22.hg6=+ fg6 23.Rh7 Kh7 24.Qh2 Kg8 25.Qh6?? (better 25.Qe5 Qb2 26.Bb2 ab2 27.Kb2 gf5 28.Qc7=) 25...Kf7-+ 26.fg6 (26.Qg6 Ke7 27.Bb4 Kd7 28.Bf8 Qb2 29.Kd2 Rf8 30.Qe6 Kd8-+) 26...Ke7 (26...Ke8 27.Ne2 Rd8 28.Nf4-+) 27.Qg5 (27.Bb4 Ke6 28.Bf8 Qa1 29.Kd2 Rd8 (29...Qg1? 30.g7 Kd7 31.g8Q Qf2 32.Kc3 Qe1 33.Qd2 Qd2 34.Kd2+-) 30.Ke2 Qd1 (30...Qg1?! 31.g7 Kd7 32.g8Q-/+) 31.Kf2 Rd2 32.Qd2 Qd2 33.Kg3 Qc3 34.Kh2 a2-+) 27...Kd7 28.g7 (28.Qd2 Qd5 29.Qd5 Bd5 30.Kd2-+) 28...Rf1 29.Kd2 Qd5 (29...Qb1 30.Qf5 Rf5 31.gf5 Qg1 32.Ba1 Qf2 33.Kd1 e3 34.Bc3 Bf3 35.Kc1 Qf1 36.Be1 Qe1) 30.Qd5 Bd5 31.Ne2 Rf2 32.Ke3 Re2! 33.Ke2 a2 34.Ba1 Ke6 35.Ke3 Kf7 36.Kf4 Bb7 37.Ke5 (37.c4-+) 37...Re8 38.Kf4 e3 39.g5 e2 40.Bc3 Kg8 41.Be1 (41.Bd2 a1Q 42.Kg4 Qg1 43.Kf5 Qf1 44.Kg4 Qf3 45.Kh4 Re4 46.Bf4 e1Q) 41...a1Q 42.g6 (42.Kg3 Qe1 43.Kg4 Bc8 44.Kf3 Qf1 45.Kg3 e1Q 46.Kh2 Qfe2) 42...Qe5 (42...Re4 43.Kg5 Qe5 44.Kh6 Qf4 45.Kh5 Re5) 43.Kg4 Qe4 44.Kg3 (44.Kh3 Qf3 45.Bg3 e1Q 46.Kh2 Qeg3) 44...Qf3 45.Kh2 (45.Kh4 Re5 46.c4 Rh5) 45…Qg2 0-1. is_er_nog_hoop (2560) - I_can_play1982 (2505), Rated bullet game, lichess.org, 2020.

5.d3 0-0

6.Be2 c6 7.g4 a5 8.g5 Ne8 9.Bg7 Ng7 10.c3 ab4 11.cb4 Qb6 12.a3 Qe3 13.Nf3 Qf4 14.Nc3 Bg4 15.Qd2 Ne6 16.Rf1 Qd2 17.Kd2 Bf3 18.Bf3 Ng5 19.Bg2 Nd7 20.b5 Rfb8 0–1. Romulus73 – cricri, playchess.de, 2001.

5.e5 de5

6.fe5 Nd5

7.a3 0-0

8.c4 Nf4 9.Qf3!? Ne6 10.Qe3=.

8.Bc4 Be6 9.Qe2=+.

6.fe5 Ng4

7.d4 0-0 8.Qe2 Bh6=.

7.d4 0-0 8.h3 Ne3 9.Qe2 Bh6 10.Nf3=+.

7.d4 Be5 8.Nf3 Bf4 9.d5-/+.

7.Nf3 Qd5 8.Nc3 Qd7=.

5.Nf3 0-0

6.Bc4 Ne4 7.d4 (7.Bg7 Kg7 8.Nc3 Nc3 9.dc3 Bg4-/+) 7...c6 (7...d5!? 8.Bb3-+) 8.0-0 Qb6 9.a3 d5 10.Bb3 (10.Be2 a5 11.Nbd2 ab4 12.Ne4 de4-/+) 10...Bg4 (10...a5 11.Nbd2-/+) 11.c3 (11.Nbd2 a5-/+) 11...Qc7 (11...Nd7 12.Nbd2-/+) 12.Nbd2 (12.Qe1 Bf5-/+) 12...Qf4-+ 13.Qc2 Qe3 14.Kh1 Nf2 15.Kg1 Nh3 16.Kh1 Bf5 17.Qc1?! Nf2 18.Rf2 Qf2 19.Bc2 Bg4 20.Qd1 Nd7 21.Bd3 Bf3 22.Qf3 Qd2 (22...Qd2 23.Qe2 Qe2 24.Be2 e5-+) 0–1. AbstractPoetic – Makuko, internet, 2007.

6.d3 Na6 7.a3 Bg4 8.h3 Bd7.

6.d3 c5 7.bc5 Qa5 8.Nbd2 Qc5 9.Nb3 (9.d4!? Qb6 10.Bc1=) 9...Qe3-/+ 10.Qe2 Qf4 11.g3 Qg4 12.Bg2 Nc6 13.0-0-0 (13.0-0!?-/+) 13...a5 14.Qf2 e5 15.h3 Qd7 16.g4 a4 17.Nbd2 a3 18.Ba1 (18.Bc3 Qc7 19.g5 Nh5-/+) 18...Qc7 19.Nb3 Be6 20.Kb1 Rfc8 21.Ng5 (21.Rhf1 Nb4 22.Rd2 Qc6-+) 21...Bb3-+ 22.cb3 Nb4 23.Rd2 (23.Nf3-+) 23...Ra6 24.Rhd1?? (24.Nf3-+) 24...Rc6 25.Qf1 Nc2 (25...Rc2 26.Ne6 fe6 27.Bc3 Qc3 28.Rc2 Qc2 29.Ka1 Qa2) 26.Rc1 (26.d4 Ne3 27.Qe1 Nd1 28.Rd1 Rc2-+) 26...Na1 27.Rc4 Nb3! 28.ab3 Qb6 (28...Rc4 29.bc4 b5 30.Qe2-+) 29.Qd1 (29.Ka2 h6 30.Nf3 d5 31.Rc6 Qc6-+) 29...Rc4 30.dc4 Rc4 (30...h6 31.Nf7 Kf7 32.Rd6-+) 31.Rd6 Rd4 (31...Rc6 32.Rc6 bc6 33.Qc2-+) 32.Rb6 Rd1 33.Kc2 (33.Ka2 Rd2 34.Ka3 Rg2 35.Rb7-+) 33...a2 34.Rb7 (34.Kd1 a1Q 35.Ke2-+) 34...a1Q (34...a1Q 35.Rb8 Bf8 36.Rf8 Kf8 37.Nh7 Nh7 38.b4 Qb1 39.Kc3 Qd3 40.Kb2 Rb1 41.Ka2 Qb3) 0–1. Mutzner,Andreas – Ludwig,Silvia, Zuerich op2, 1989. (=1.f4 Nf6 2.Nf3 d6 3.b4 g6 4.Bb2 Bg7 5.e4 0-0)

6.d3 c5 7.bc5 dc5 8.Be2 Qb6=.

6.d3 Nc6 7.b5 Nb4 8.a3+-.

6.d3 Bg4 7.Be2 Na6-/+.

6.d3 Bg4 7.Be2 Bf3 8.Bf3 c6 9.c4 Nbd7 (9...a5 10.ba5 Qa5 11.Qd2=) 10.d4 Qb6 (10...e5 11.a3=) 11.Qd2 Rad8 12.0-0 e5 13.a4 (13.c5 dc5 14.fe5 Ne5 15.bc5 Qb5=) 13...ed4 14.a5 (14.Bd4? Ne4 15.Bb6 Nd2 16.Nd2 Nb6-+ (16...ab6?! 17.Rad1+=)) 14...Qc7 15.Na3 (15.Bd4 c5 16.bc5 Nc5+=) 15...a6 (15...Rfe8 16.Rfe1=) 16.Bd4 c5 17.bc5 dc5 18.Bc3 Rfe8 (18...Ne8 19.Rab1+=) 19.Rae1+= b6 (19...Nh5 20.Bh5 Nf6 21.Qc2 Nh5 22.e5+=) 20.Qc1 ba5 (20...Re7 21.e5 Ne8 22.Qe3+/-) 21.e5+/- Nh5 22.Bd5 Nb6 (22...Bh6 23.g4 Nf4 24.Rf4+=) 23.Ba5 (23.g4 Nf4 24.Qf4 (24.Rf4?! Nd5 25.cd5 Be5+=) 24...Nd5 25.cd5 Rd5 26.Nc4+/-) 23...Qb8 (23...Bh8!?+/-) 24.Bb6+- Qb6 25.g4 Rd5? (25...Nf6 26.ef6 Qf6 27.Re8 Re8+-) 26.cd5 c4 (26...Nf6 27.ef6 Re1 28.Re1 Bf6 29.Nc2+-) 27.Rf2 Nf4 (27...Bf8 28.Nc4 (worse is 28.gh5 Bc5 29.Ree2 Bf2 30.Rf2 Qc5+-) 28...Qc5 29.gh5+-) 28.Qf4 Rf8 (28...Qb7 29.e6 fe6 30.de6+-) 29.Nc4 Qc5 30.Rd1 White plans d6 30...a5 (30...f5 31.g5+-) 31.d6 Rd8 (31...Qa7+-) 32.Qf7 Kh8 33.d7 a4 34.Qe8 Re8 35.de8Q (worse is 35.de8B Qc4 36.Rd8 Qg4 37.Rg2 Qh4+=; 35.de8N?! Qc8 (worse is 35...Qc4 36.Rd8 Qg4 37.Rg2+-) 36.Rd4 Qe8+-; worse is 35.de8R Qf8 36.Rff8 Bf8 37.Rd7 Kg8 38.e6 h6 39.e7 Kf7 40.ef8Q) 35...Bf8 36.Rd7 a3 (36...Qf2 37.Kf2 Kg8 38.Qf7 Kh8 39.Qf8) 37.Qf8 Qf8 38.Rf8 1–0. Janek – Tundja, internet, 2017.

6.d3 Bg4 7.Be2 Bf3 8.Bf3 Nbd7 9.Nd2 (9.0-0 c6 10.d4 Qb6+=) 9...e5 (9...c6 10.d4=) 10.f5 (10.fe5 Ne5 11.0-0 c6+=) 10...c6= 11.fg6 fg6 12.0-0 Qb6 13.Kh1 Qb4 14.Rb1 Qa5 15.a3 (15.Nc4 A) 15...Qa2?? 16.Ra1 (16.Nd6?! b5=) 16...Qa1 17.Qa1+-; B) 15...Qc7+=) 15...b5-/+ 16.Nb3 (16.c3 Rad8-/+) 16...Qb6 17.Qd2 (17.g4 Bh6-/+) 17...h5 (17...Rf7 18.Qb4 Qc7 19.Qa5-/+) 18.Qe1 (18.Bc3 Kh7+=) 18...Bh6 (18...a5 19.Bc1+=) 19.Qg3 (19.d4 Bf4+=) 19...g5 (19...Kg7 20.d4+=) 20.Be2 (20.Bc1 Kh7+=) 20...Rf7 (20...g4+=) 21.h4? (better is 21.Qh3!? Raf8 22.Qe6=) 21...g4-/+ 22.Qe1 Raf8 23.g3 (23.Qb4 Qe3 24.Qe1 Bg7-/+) 23...d5-+ 24.ed5 Nd5 (24...cd5 25.d4 Ne4 26.Rf7 Rf7-+ (26...Kf7?! 27.Bd3+=)) 25.Qa5?? (better is 25.Rf7 Rf7 26.d4-/+) 25...Rf1 (better is 25...Qe3 26.Rf7 Rf7 27.Qd8 Nf8 28.Bf1 Qg3 29.Be5 Qe5 30.Bg2-+) 26.Bf1 Qf2 27.Qe1 Qc2 (better is 27...Ne3 28.Qf2 Rf2-+) 28.Na5 (28.Na1 Qf2 29.Bg2-+) 28...Rf2 29.Kg1 (29.Bc1 Qb1 30.Qf2 Qc1 31.Kh2-+) 29...Be3 30.Qe3 0–1. inaldo – secgestor, internet, 2007.

6.Bf6 Bf6 7.d4 c5=+.

6.d3 a5

7.a3 ab4 8.ab4= Ra1 9.Ba1 c5 (9...Na6 10.Bc3=) 10.bc5= Qa5 (10...dc5 11.Be2=) 11.Nbd2 Re8 (11...dc5 12.Be2=) 12.Bd4 (better is 12.Bf6 ef6 13.cd6+/-) 12...e5?? (better is 12...dc5 13.Bf6 ef6+=) 13.fe5 (13.Qa1 Qa6 14.Bb2 dc5 15.Qa6 ba6 16.Be5 Nbd7+/-) 13...de5 14.Qa1 Qa1 15.Ba1 Nbd7 (15...Nfd7 16.Nc4+=) 16.Nb3 (16.Nc4 Nc5 17.Nd6 Rd8 18.Be5 Be6+/-) 16...Ng4 17.h3 (17.Bb2 Bf8+/-) 17...Ne3+= 18.Kd2 (18.Bc3 f5+=) 18...Bh6 19.Kc3 (19.Ke2 Nc2 20.Bc3 Bf4=) 19...Bf8= 20.g4 Nf1 (better is 20...Nc5!? 21.Be2 f6=) 21.Rf1+/- Nc5 (21...Bc5 22.Nc5 Nc5 23.Kc4+/-) 22.Nc5+- Bc5 23.Rb1 (better is 23.Kc4!? Ba7 24.Ne5+/-) 23...b6 (23...f6 24.Kd2=) 24.Kd2 f6 25.Bc3 g5 (25...Kf8 26.Bb4+=) 26.Bb4 h5 27.Bc5 bc5 28.Nh2 (28.gh5 Bh3 29.Nh2 Kg7=) 28...hg4= 29.Ng4 Bg4 (29...Kf7 30.Rb5=) 30.hg4+= Kf7 31.Rb7 (31.Kc3 Rh8+=) 31...Ke6 (31...Kg6 32.Kc3+=) 32.Rb6 (32.Kc3 Rh8+=) 32...Ke7 (32...Kf7 33.Kc3+=) 33.Rc6 (33.Kc3 Rh8+=) 33...Rh8= 34.Rc5 Rh4 35.Ke3 (35.Kc3 Rg4 36.Kc4 Rf4=) 35...Rg4 36.Kf3 (36.Ra5 Rg3 37.Kf2 Rh3=) 36...Rf4 37.Kg3 Kd6 38.Rd5 Kc6 ½–½. Ulaneo,Ruben – Sanguinetti Conde,Eduardo, URU–ch qual Interior, 2004.

7.a3 Nh5 8.Bg7 Kg7 9.Qd2+=.

7.b5 Bd7=.

7.b5 Nbd7 8.Be2 Nc5 9.Nbd2 Na4 10.Bd4 Ng4 11.Qc1 Bd4 12.Nd4 Ne3 13.N2f3 Ng2 14.Kf2 e5 15.Kg2 ed4 16.Nd4 Qh4 17.h3 Nc3 18.Bg4 (better is 18.Qe1!? Qe1 19.Rhe1=) 18...Bg4-/+ 19.hg4 Qg4 20.Kf2 f5 21.ef5? (21.Qd2 Nb5 22.Nb5 fe4 23.Rag1+= (23.Nc7? Rf4 24.Ke1 ed3 25.Qd3 Rc8-+)) 21...Rae8-+ (21...gf5?? 22.Rg1 Kh8 23.Rg4 fg4 24.Ne6+-) 22.Qg1?? (22.Rg1 Qh4 23.Kf3 Qh5 24.Rg4-/+) 22...Re2 (better is 22...Qf4 23.Kg2 Ne2-+) 23.Ne2+= Qe2 24.Kg3 Rf5 25.Rh2 Qe7 (better is 25...h5!? 26.Rf2 Qg4 27.Kh2 Qh4 28.Kg2 Nd5-/+ (28...Rb5?! 29.Qe1 Rc5 30.d4=)) 26.Re1 Qf6 27.Re8 Kf7?? (27...Kg7 28.Qh1 h5+=) 28.Qe1+- Rf4 (28...h5 29.Rc8 Qe7 30.Qe7 Ke7 31.Rc7 Kf6 32.Rc3 Rb5+-) 29.Rh7 1–0. jboger (2245) – cathar (2260), net–chess.com, 2011.

6.d3 c6

7.a3 a5 8.ba5 (8.Be2 Nh5) 8...Qa5 9.Qd2 Qb6 10.Bd4 (10.c3 Ra5 11.Bc1 Nbd7+=) 10...c5 11.Bc3 Nc6 12.a4 (12.Be2 d5 13.e5 Nh5-/+) 12...Qc7 (12...d5 13.a5 Qd8 14.ed5 Nd5 15.Bg7 Kg7 16.Nc3+=) 13.Be2 Bd7 14.0-0 Na5 (14...d5 15.ed5 Nd5 16.Bg7 Kg7 17.g3+=) 15.e5= Nd5 16.ed6 ed6 (16...Qd6 17.Be5 Qe6 18.Nc3=) 17.Bg7 Kg7 18.Nc3 Nc3 19.Qc3 Kg8 20.d4 b6 (20...Rfe8 21.Bb5=) 21.d5 (21.Rfe1 Bc6=) 21...Nb7 (21...c4 22.Ng5 Qc5 23.Rf2+=) 22.Ng5 Rae8 (worse is 22...Ba4 23.Ne4 f5 24.Nf6 Rf6 25.Qf6+/-) 23.Bd3 f5 (23...f6 24.Nf3+=) 24.Bc4 (24.Bb5 Nd8+=) 24...Nd8 25.Qh3 Bc8 (25...Re7!?+=) 26.Bb5+/- Re7 27.Rae1 Re1 28.Re1 Qg7 29.Qd3 (29.Qh4 h6 30.Ne6 Be6 31.de6 g5 32.fg5 hg5+-) 29...Bd7 30.Ne6 (30.c4 h6 31.Ne6 Ne6 32.de6 Bb5 33.ab5 Re8+=) 30...Ne6 (30...Bb5 31.ab5 Qe7 32.c4+/-) 31.de6 Bb5 32.Qb5 Qe7 (32...Qd4!? 33.Kh1 Qf2+/-) 33.Qb6+- Rc8 (33...Ra8 34.Qb5+-) 34.a5 Kf8 (34...d5 35.a6 Qh4 36.Rf1+-) 35.Qb2 (35.a6!? Ra8+-) 35...Kg8 36.a6 Rc7?? (36...Re8+-) 37.Qb8 Kg7 38.Qc7!! Qc7 (38...Qc7 39.e7) 39.e7 (39.e7 Qb8 40.e8Q Qe8 41.Re8+-) 1–0. Proff,Stefan – Dewald,Christian, VK Gr3, 1999.

7.c3 a5 8.a3=+ b5 9.Qc2 Ng4 10.Qe2 Bh6 11.g3 Bg7 12.Bg2 ab4 13.ab4 Ra1 14.Ba1=.

7.c3 Qb6 8.Qd2 (8.Qe2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 c5 12.e5 Nh5 13.g3 Bg4 14.Bb2+=) 8...a5 9.Na3 (9.a3 Bg4+= 10.Be2 ab4 11.cb4 Rd8 12.h3 Bf3 13.Bf3 Na6 14.Nc3=; 9.Be2 ab4 10.cb4 Ng4 11.d4 Nf6 12.Nc3 Qb4 13.0-0 Qa5 14.Rfb1+=) 9...ab4-/+ 10.Nc4 bc3 (10...Qd8 11.cb4 b5 12.Ne3 c5 13.e5 Ng4 14.bc5=) 11.Bc3 (11.Nb6 cd2 12.Kd2 (12.Nd2 Ra7 13.e5 Nh5 14.Nc8-/+) 12...Ra7-/+ 13.e5 de5 14.fe5-/+) 11...Qa7 (11...Qc7 12.a4 b5 13.Nb2 c5 14.Bf6-/+) 12.Bd4 (12.a4 d5 13.ed5 Nd5 (13...cd5?! 14.Bd4 Qa6 15.Nb6=) 14.Bg7 Kg7-/+; 12.Qb2 Nbd7 13.Bd4 c5 14.Bc3-+) 12...c5-+ 13.Bf6 (13.Bb2 b5 14.Ne3-+) 13...Bf6 (13...ef6?! 14.Nd6 Nc6 15.f5+=) 14.e5 Bg7 15.Be2 (15.Qb2 Nd7-+) 15...b5 16.Ne3 (16.Nb2 de5 17.Ne5 Bb7-+) 16...Nc6 17.0-0 (17.Qb2 Qa5 18.Kf2 g5 19.fg5 Ne5-+) 17...de5 18.Rab1 (18.fe5 Ne5 19.Ne5 Be5-+) 18...ef4 19.Nc2 Qa2 (19...b4!? 20.Qf4 Qa2 21.Rbc1-+) 20.Rb5 Nd4 21.Nfd4 Bd4 (21...cd4?! 22.Bf3 Ra7 23.Ra1 Qa1 24.Na1 Ra1 25.Kf2-+) 22.Kh1 Bd7 23.Rb7 (23.Rb6 Ba4 24.Bd1 e5-+) 23...Ba4 24.Bd1 e5 25.Qc1 Bc2 (25...f3 26.gf3 Rfc8 27.Nd4 cd4 28.Rb2 Rc1 29.Ra2-+) 26.Bc2 Qd5 27.Rb1 Rfb8 28.Qd2 (28.Rb8 Rb8 29.Bd1 Rb2-+) 28...Rb1 29.Bb1 Ra1 30.Qc2 (30.Qd1 f6-+) 30...g5 (30...Qb7 31.h3-+) 31.Qe2 (31.Qd1 Qb7-+) 31...Qb3 32.Qh5 f6 33.Qe8 (33.Qd1 Qd1 34.Rd1 g4-+) 33...Kg7 34.Qe7 Qf7 35.Qd8 (35.Qf7 Kf7 36.Rd1-+) 35...Qb7 36.h4 g4 37.Kh2 g3 (37...Rb1 38.Rb1 g3 39.Kh3=) 38.Kh3 Ra8 (38...Rb1?! 39.Rb1 Qf7 40.Rb6-/+) 39.Ba2 Rd8 40.Be6 h5 41.Bf5 Rb8 (better is 41...Ra8 42.Bg4 Ra2 43.Bh5 Qg2 44.Kg4 Qe2 45.Rf3 Qf3 46.Kf5 Qh5 47.Ke4 Qf7 48.Kf5 Qd7 49.Ke4 f5 50.Kf3 Qd5) 42.Re1 Qb1! 43.Bg4 (43.Rb1 Rb1) 43...f5 (43...Qe1 44.Bh5 f5 45.Bf3 Qh1) 44.Bd1-+ Bf2 45.Re5 Qd1 0–1. Cavadini,Ignacio – Orozco,Gustavo (2235), LNA Copa Puma, Argentina ARG, 2007.

7.Be2!?=.

7.h3 Qb6-/+ 8.Bc3 (8.Bf6 Bf6 9.e5 de5 10.fe5 Bh4 11.Nh4 Qb4 12.Ke2 Qh4 13.Qe1-+) 8...Ne4!-+ 9.de4 Qe3 10.Be2 Bc3 11.Nc3 Qc3 12.Nd2 (12.Kf2 Qb4 13.Qd4 Qd4 14.Nd4 e5 15.fe5 de5-+) 12...Qg3 13.Kf1 Qf4 14.Bf3 (14.Kg1 a5 15.b5 cb5 16.Bb5 Nc6-+) 14...Nd7 (14...a5 15.ba5 Ra5 16.Kf2-+) 15.Qe2 (15.Kg1 a5 16.ba5 Ra5-+) 15...Ne5 (15...a5 16.ba5 Ra5 17.Ke1-+) 16.Ke1 Be6 17.Rf1 a5 18.b5 cb5 19.Qb5 Rac8 (19...Qe3 20.Kd1-+) 20.Qa4 (20.Kd1 Qf6 (20...Nf3?! 21.Rf3 Qe5 22.Qe5 de5 23.Rb1-+) 21.c3 Bc4 22.Nc4 Nc4-+ (22...Rc4?! 23.Be2 Rc5 24.Rf6 Rb5 25.Rd6-/+)) 20...b5 (20...Qg3 21.Kd1 Nf3 22.Rf3 Qg2 23.Qa5 Bh3 24.Rh3 Qh3 25.Rb1 Qg4 26.Kc1-+) 21.Qa5 (21.Qb5 Qg5 22.Qa4 Nf3 23.gf3 Bh3-+) 21...Rc2 22.Be2 (22.Kd1 Rfc8-+) 22...Qe3 23.Kd1 Nc6 24.Rf3 (24.Kc2 Na5 25.Kd1 Qd4-+) 24...Qe2! 25.Ke2 Na5 26.Kd1 (26.a4 Nc4 27.Rd3 Ra8-+) 26...Rfc8 (26...Ra2 27.Ra2 Ba2 28.Ra3-+) 27.Ra3 (27.Rb1-+) 27…Rd2! (28.Kd2 Nc4 29.Kd3 Na3-+) 0–1. Martinez,Ezequiel – Gonzalez Fuentes,Carlos, Gijon, 1994.

4.f4 Rg8

4.f4 Bh6

5.Ne2 A) 5...Bg7 6.Ng3 (6.Qc1 Nbd7 7.e5 de5 8.fe5 Nd5 9.e6=; 6.Bf6 Bf6 7.d4 0-0 8.Nbc3 Bg4 9.Qd3+=; 6.a3 0-0 7.d3 Na6 8.Nbc3 c5 9.bc5=; 6.g3 Na6 7.b5 Nc5 8.Bg2 Qd7 9.Bf6=) 6...0-0 7.d4 a5 8.b5 c6 9.Qd2=; B) 5...0-0 6.Nbc3 (6.d3 Bg4 7.Qd2 e5 8.Nbc3 Nh5 9.g3+=; 6.Bf6 ef6 7.d4 f5 8.e5 de5 9.de5+=) 6...Bg4 7.h3 Be2 8.Be2 Bf4 9.0-0+=.

5.e5 A) 5...Bg4 6.Nf3 (6.Bb5 c6 7.Be2 Be2 8.Ne2 de5 9.fe5=; 6.Be2 Be2 7.Ne2 de5 8.fe5 Nd5 9.a3=) 6...de5 7.fe5 Nd5 8.a3 Nf4 9.h3=; B) 5...de5 6.fe5 Nd5 7.a3 a5 8.b5 0-0 9.Nf3=; C) 5...Nd5 6.ed6 0-0 7.dc7 Qc7 8.Be5 Qd7 9.Nc3=.

5.Qf3 A) 5...Bg7 6.d4 (6.Bc4 Bg4 7.Qd3 e6 8.h3 Bh5 9.Nf3=) 6...Bg4 7.Qg3 Qd7 8.h3 Bh5 9.Nd2=; B) 5...0-0 6.a3 (6.Bc4 Nc6 7.b5 Na5 8.Be2 Bg7 9.e5=; 6.e5 de5 7.fe5 Nd5 8.a3 Bg7 9.Qg3=; 6.Bf6 ef6 7.Ne2 Re8 8.Nbc3 Nc6 9.b5=; 6.Nc3 e5 7.fe5 de5 8.Qd3 Qe7 9.Qb5+=) 6...Bg7 7.Nc3 Nc6 8.Qd3 a6 9.Nf3=; C) 5...Be6 6.f5 Bd7 7.b5 c6 8.Bf6 ef6 9.Nc3=; D) 5...c6 6.Ne2 (6.Be2 Bg7 7.Nc3 0-0 8.a3 b5 9.e5=; 6.Bc4 0-0 7.a4 d5 8.ed5 cd5 9.Bb3+=; 6.Bf6 ef6 7.Bc4 0-0 8.Bd3 Re8 9.Ne2+=; 6.h3 Bg7 7.Nc3 Nbd7 8.g4 h6 9.Nge2=) 6...Bg7 7.Nbc3 Bg4 8.Qd3 Qb6 9.a3=; E) 5...Bg4 6.Qg3 Bd7 7.e5 Nh5 8.Qh4 de5 9.fe5=.

5.Bf6 ef6 6.Qf3 (6.g3 f5 7.ef5 Bf5 8.Bg2 c6 9.d4+=) 6...0-0 7.Nc3 Nc6 8.b5 Nd4 9.Qd3=.

4.Bf6 ef6

5.Bb5 c6 6.Ba4 Bg7 7.Nc3 0-0 8.Nf3 b5 9.Bb3 a5 10.a3 f5 11.d4 (11.ef5 Re8 12.Kf1 Bf5 13.ba5 Qa5 14.Ra2-+) 11...fe4 12.Ne4 (12.Nd2-+) 12...Re8 13.Qe2 d5 14.Ne5 Be5 (14...de4?! 15.Bf7 Kf8 16.Rd1 Re5 17.de5-+) 15.de5 Re5 16.0-0 Re4 17.Qd2 ab4 18.ab4 Ra1 19.Ra1 Qe7 20.c3 Re2 21.Qc1 Qf6 22.f4 (22.Qf1 Qc3 23.Rc1 Qb2 24.Bd5 Rf2-+) 22...Qe7 23.Bc2 (23.Qf1 Qe3 24.Kh1 Bh3 25.gh3 Rf2 26.Qf2 Qf2-+) 23...Qh4 24.Qf1 Rc2 25.Ra8 (25.Rc1 Ra2 26.Qe1 Qg4-+) 25...Qe7 26.Kh1 Bh3! 27.Rb8 (27.gh3 Qe4 Double attack) 27...Kg7 28.gh3 Qe4 0–1. Yannick – Geesblootbreinkonijn, playchess.de, 2005.

5.Nc3 f5 A) 6.Qf3 c6 (6...Bg7 7.ef5 Bf5 8.Qb7 Nd7 9.Kd1 0-0= 10.Rb1=) 7.Qe3 Be7 8.Nf3 fe4 9.Ne4 0-0 10.Qh6+=; B) 6.Qe2 Be7 7.ef5 Bf5 8.Qb5 Nc6 9.Qb7 Nd4 10.Rc1=.

5.Qe2 Bg7 A) 6.d4 0-0 7.c3 f5 8.f3 Re8 9.Nd2 (9.g3 fe4 10.fe4-+) 9...c5-/+ 10.Qd3-/+; B) 6.Nf3 0-0 7.c3 f5 8.d3 Re8 9.Nfd2 fe4 10.de4-+; C) 6.c3 0-0 7.Qf3 Re8 8.Ne2 Qe7 9.d3 f5 10.ef5-/+.

5.Nc3 Bg7

6.Bb5 c6 7.Bd3 0-0 8.Nge2 A) 8...Nd7 9.Ng3 (9.0-0 Ne5+= 10.Ng3+=) 9...a5 10.b5=; B) 8...a5 9.b5 cb5 10.Bb5+=.

6.Bc4 0-0 7.Bd3 A) 7...Nc6 8.a3 (8.Rb1 f5 9.ef5 Ne5 10.Be4 gf5 11.Bd5 c6 12.d4 cd5 13.de5-/+; 8.b5 Nd4 9.Nge2 f5 10.0-0 fe4 11.Be4 d5 12.Nd4 de4 13.Nb3+=) 8...f5 9.ef5 Ne5 10.Be4 gf5 11.Bd5 c6 12.d4 Re8 13.Nge2+=; B) 7...Be6 8.f4 (8.Nge2 Nc6 9.a3 Ne5 10.0-0 Nd3 11.cd3 f5 12.Rc1 Qg5 13.f4+=; 8.a3 a5 9.Nge2 ab4 10.ab4 Ra1 11.Qa1 Nc6 12.Qa4 Qa8 13.Qb5+=; 8.Nf3 Nc6 9.a3 Ne5 10.0-0 Nd3 11.cd3 f5 12.Rc1 Re8 13.Re1+=) 8...Re8 9.Nge2 Bg4 10.0-0 c6 11.Kh1 d5 12.ed5 cd5 13.h3=; C) 7...a5 8.a3 (8.ba5 Ra5 9.Nge2 Be6 10.0-0 Re8 11.Re1 Nc6 12.Rb1 Qa8 13.Bb5=; 8.b5 Re8 9.Nge2 Nd7 10.0-0 Nc5 11.Ng3 f5 12.ef5 Nd3 13.cd3=) 8...Re8 9.Nge2 ab4 10.ab4 Ra1 11.Qa1 Nc6 12.Qb1 Ne5 13.Bb5=; D) 7...Re8 8.Nge2 Nc6 9.a3 Ne5 10.0-0 f5 11.Re1 Qh4 12.h3 c6 13.f4-/+.

6.Bc4 0-0 7.Nge2 f5 8.ef5 (8.Bd3 fe4 9.Be4 c6 10.0-0 d5 11.Bf3 d4 12.Ne4 d3 13.N2c3+=; 8.0-0 fe4 9.Bd5 Nc6 10.Rb1 Be6 11.Be4 d5 12.b5 Ne5 13.f4-/+; 8.f3 fe4 9.fe4 Qg5 10.0-0 a5 11.d4 ab4 12.Nd5 c6 13.Nb6-/+) 8...Bf5 9.d4 Nc6 (9...c5 10.Bd5 Nc6 11.Bc6 bc6 12.dc5 Qe7 13.0-0-/+) 10.Rb1 (10.b5 Nb4 11.Bb3 c5 12.bc6 Nc6 13.0-0+=) 10...a5 (10...Qh4 11.Nb5 Rfe8 12.0-0 Re7 13.Ng3-/+) 11.Nd5 (11.b5 Nb4 12.Rb2 Re8 13.a3=) 11...ab4 12.0-0 (12.Nb4 Nb4 13.Rb4-/+) 12...Be6 13.Qd3 (13.Bb3-/+) 13...Na5 14.Bb3? (better is 14.Ne3 Nc4 15.Nc4-+) 14...Nb3 (14...Nb3 15.Ne3 Na5-+) 0–1. Ouerghi,Rida – Graille,Michel (1910), Marseille FRA, 4th Open, 2011.

6.Bc4 0-0 7.f3 A) 7...f5 8.h4 (8.Qe2 Bc3 9.dc3 Re8 10.0-0-0 Nc6 11.Bd5 Qf6 12.Qe3 Be6 13.Bc6-/+; 8.Nge2 fe4 9.fe4 Qg5 10.0-0 a5 11.d4 ab4 12.Nd5 c6 13.Nb6-/+) 8...fe4 9.fe4 Nc6 10.h5 Qg5 11.Nf3 Qg3 12.Kf1 Be6 13.Bd5+=; B) 7...c6 8.Bb3 (8.Nge2 b5 9.Bb3 a5 10.a3 f5 11.0-0 Qg5 12.ba5 Ra5 13.d4+=; 8.b5 f5 9.bc6 Nc6 10.Nge2 Ne5 11.Bd5 Qh4 12.g3 Qh5 13.Nd4+=; 8.d4 f5 9.Nge2 fe4 10.fe4 b5 11.Bd3 Qg5 12.g3 a5 13.Qb1-/+) 8...f5 9.Nge2 fe4 10.fe4 Qb6 11.a3 a5 12.ba5 Qa5 13.0-0+=; C) 7...Be6 8.Bd5 (8.Qe2 Nc6 9.Be6 fe6 10.Qc4 Qe7 11.b5 Ne5 12.Qe2 f5 13.f4+=; 8.Be6 fe6 9.Qe2 Nc6 10.Qc4 Qe7 11.b5 Ne5 12.Qe2 f5 13.f4+=) 8...Bd5 9.ed5 f5 10.Nge2 Qh4 11.g3 Qh3 12.Nf4 Re8 13.Nce2+=; D) 7...a5 8.ba5 (8.b5 f5 9.Qe2 Nd7 10.0-0-0 Ne5 11.Kb1 c6 12.Bb3 fe4 13.fe4-/+; 8.a3 f5 9.Nge2 fe4 10.fe4 Qg5 11.g3 Nc6 12.h4 Qh5 13.b5-/+; 8.Rb1 ab4 9.Rb4 f5 10.Nge2 Nc6 11.Rb3 fe4 12.fe4 Ne5 13.Bd3-/+) 8...f5 9.Nge2 fe4 10.fe4 Qg5 11.g3 Qc5 12.Bd5 Nc6 13.Rb1+=.

6.Bc4 0-0 7.Qf3 A) 7...Re8 8.b5 (8.Rb1 Nc6 9.Bd5 f5 10.Bc6 bc6 11.Nge2 fe4 12.Ne4 Be6 13.N4c3-/+; 8.Qf4 f5 9.Nge2 Nc6 10.Rb1 Ne5 11.ef5 Nc4 12.Qc4 Bf5 13.Kd1-/+; 8.a3 f5 9.Nge2 Nc6 10.Bd3 Ne5 11.Qg3 Nd3 12.cd3 fe4 13.de4-/+) 8...f5 9.Nge2 Qf6 10.Rb1 Nd7 11.Nd5 Qd8 12.ef5 Ne5 13.Qb3+=; B) 7...Nc6 8.b5 (8.Rb1 f5 9.Bd5 Nd4 10.Qd3 c6 11.Bb3 fe4 12.Qe3 d5 13.Qf4-+; 8.a3 f5 9.Bd5 Nd4 10.Qd1 c6 11.Bc4 fe4 12.Nge2 d5 13.Nd4-+; 8.Rc1 f5 9.b5 fe4 10.Qf4 Ne7 11.Nd5 Bf5 12.Ne2 Re8 13.Ng3-/+) 8...Ne5 9.Qe2 f5 10.f3 Nc4 11.Qc4 Be6 12.Qd3 Bc3 13.Qc3-/+.

6.Bc4 Nc6 7.b5 A) 7...Na5 8.Bd3 (8.Bd5 c6 9.bc6 bc6 10.Bb3 f5 11.ef5 Bf5 12.Nge2 0-0 13.0-0+=) 8...0-0 9.Nf3 Re8 10.0-0 Bg4 11.Rb1 Qd7 12.Nd5 Be6 13.Nf4=; B) 7...Ne5 8.Be2 (8.Bd5 c6 9.bc6 bc6 10.d4 cd5 11.de5 f5 12.ed5 Be5 13.Qd2=; 8.Bb3 f5 9.d4 Ng4 10.Nf3 fe4 11.Ne4 Bf5 12.Ng3 Qe7 13.Qe2=) 8...Be6 9.d4 Nc4 10.Nf3 c6 11.bc6 Qa5 12.Qd3 bc6 13.0-0+=; C) 7...Nd4 8.Nd5 (8.Nge2 f5 9.Nd4 Bd4 10.Qe2 0-0 11.0-0 fe4 12.Qe4 Qf6 13.Nd5=; 8.Nf3 f5 9.Nd4 Bd4 10.Qe2 0-0 11.0-0 fe4 12.Qe4 Qf6 13.Nd5=) 8...Bg4 9.f3 Bd7 10.c3 Ne6 11.d4 a6 12.ba6 b5 13.Bb3=; D) 7...Ne7 8.Qf3 0-0 9.Nge2 f5 10.ef5 Nf5 11.0-0 Qg5 12.Rad1 Qh4 13.Bd5=.

6.Bc4 f5 A) 7.Qf3 A1) 7...c6 8.Nge2 (8.ef5 Bf5 9.Nge2 0-0 10.Bd3 Be6 11.0-0 Nd7 12.Rae1 Ne5 13.Qg3-/+; 8.0-0-0 0-0 9.ef5 Bf5 10.g4 Bd7 11.Re1 Qb6 12.b5 Bc3 13.dc3-+; 8.b5 0-0 9.bc6 Nc6 10.Bd5 fe4 11.Be4 Re8 12.Nge2 d5 13.Bd3-+) 8...0-0 9.ef5 Bf5 10.Bd3 Be6 11.0-0 Nd7 12.Qg3 Ne5 13.Nf4+=; A2) 7...Nc6 8.Bb5 0-0 9.Bc6 bc6 10.Nge2 fe4 11.Qe4 d5 12.Qf3 a5 13.ba5+=; B) 7.ef5 Bf5 8.Nf3 (8.Nge2 0-0 9.0-0 Qh4 10.d4 Nc6 11.g3 Qh5 12.b5 Na5 13.Bd3+=; 8.Qe2 Kd7 9.Bf7 Nc6 10.Rc1 Rf8 11.g4 Rf7 12.gf5 Re7 13.Ne4-+; 8.a3 0-0 9.Nge2 Qh4 10.d4 Nc6 11.Nb5 a5 12.ba5 Ra5 13.Rb1+=) 8...Nc6 9.0-0 Nb4 10.Rb1 c5 11.Re1 Kf8 12.Bb3 c4 13.Ba4+=.

6.Bd3 Nc6 7.a3 0-0 8.Nf3 f5 9.0-0 fe4 10.Be4=.

4.g3 Bg7

5.Bg2 0-0 6.Ne2 e5 7.0-0 Qe7 8.d3 Be6 9.c4 Ne8 (9...a6 10.f4=) 10.Nbc3 c5 11.bc5 dc5 12.f4 f6 13.f5 Bf7 14.h4 (14.Nd5 Bd5 15.ed5 gf5+=) 14...Nc6 15.g4 (15.Nd5 Qd6=) 15...Rd8 16.Nd5 Bd5 (16...Qd7 17.Ng3=) 17.cd5+= Nd4 18.Bd4 (18.Nd4 ed4 19.fg6 hg6=) 18...cd4= (worse 18...ed4 19.fg6 Bh6 20.gh7 Qh7 21.h5+/-) 19.fg6 hg6 20.Ng3 White prepares the advance h5 (20.h5 Bh6=) 20...Nd6 21.g5 (21.h5 Bh6=) 21...fg5-/+ 22.h5 Rf1 23.Bf1 gh5 24.Nh5 (24.Qh5 Qf6 25.Bh3 Qh6=) 24...Kh7 (24...Kf7 25.Ng7 Kg7 26.Bh3-/+) 25.Bh3=+ Rf8 26.Ng3 g4 (26...Bh6!? 27.Nf5 Nf5 28.Bf5 Kg7=+) 27.Qg4= Bh6 28.Qh5 (28.Kg2 Rg8 29.Qd7 Qd7 30.Bd7 Kg6+=) 28...Qg5 (28...Qg7 29.Kg2=) 29.Qg5+= Bg5 30.Kg2 Bh4 31.Be6 (31.Nf5 Rg8 32.Kh2 Nf5 33.Bf5 Kg7 34.Rg1 Kf8+=) 31...Bg3= 32.Kg3 Rf6 33.Rc1 Rg6 34.Kf3 Rg7 35.Rh1 Kg6 36.Rh8 Kf6 37.Rd8 Rc7 38.Bg4 (better 38.Kg4!?=) 38...Ke7=+ 39.Rh8 Nf7 (39...Rc3 40.Rh7 Kf8 41.Bf5=+) 40.Rh7 (40.Rb8 a6=) 40...Kf6 (40...Kf8 41.Rh2=+) 41.Ke2 (41.Kg3!? Rc3 42.Bh5+=) 41...Rc2=+ 42.Ke1 Ra2 43.Bh5 Nd6 44.Rh6 Ke7 45.Re6 Kd7 46.Re5 b5 (46...Ra1 47.Kd2=) 47.Bg4 (47.Rg5 b4 48.Bg4 Ke7=) 47...Kc7 48.Re7 Kb6 49.e5 Nb7 50.e6 Nc5 51.d6 (51.Rf7 Nd3 52.Kf1 Ra1 53.Ke2 Nc1 54.Kf3 Ra3 55.Kg2 Re3+-) 51...Nd3= 52.Kf1 Ra1 53.Kg2 Ne1 (53...Nf4 54.Kg3 Ne6 55.Be6+- (55.Re6?! Rg1 56.Kf4 Kc6+-)) 54.Kg3 Ra3 55.Kh4 Ng2 56.Kg5 Re3 57.d7 Re5 58.Kf6 Rd5 59.Bf3 (59.Bf3 Rd6 60.Ke5+-) 1-0. Tsoi,Dmitry (2320) - Usov,Aleksandr E (2010), 16th Moscow Open A, 2020.

5.Bg2 e5 6.Ne2 0-0 7.0-0 Bd7 8.c4 a5 9.b5 Be6 10.Qc2 Nbd7 11.f4 Bg4 12.d3 Nh5 13.Nbc3 c6 14.a4 f5 15.Rae1 Nc5 16.ef5 Bf5 17.Ne4 (17.bc6 Nd3 18.cb7 Qb6 19.c5 Qc5 20.Kh1 Nf2 21.Rf2 Bc2 (21...Qf2? 22.Qb3 Kh8 23.Rf1 Qf1 24.Bf1+-) 22.ba8Q Ra8-+) 17...Be4 18.Be4 Ne4 19.de4 ef4 20.Nf4 (< 20.gf4 Bb2 21.Qb2 Nf4 22.Nf4 Rf4 23.Rf4 Qg5 24.Kh1 Qf4-/+) 20...Nf4 21.gf4 (better is 21.Bg7!? Nh3 22.Kg2 Kg7 23.Rf8 Qf8 24.Kh3=) 21...Bb2-/+ 22.Qb2 Qh4 (22...Rf4 23.Rf4 Qg5 24.Kh1 Qf4 25.Qc3-/+) 23.f5 (23.Qf2 Qe7=) 23...gf5 (23...Rae8 24.fg6 Rf1 25.Rf1 hg6 26.c5=+) 24.Rf2 (24.Kh1!? Rf6 25.ef5+=) 24...f4 (24...fe4!? 25.Rg2 Kf7 26.Qf2 Qf2 27.Rf2 Kg6 28.Re4 Rf2 29.Kf2 cb5 30.cb5 Kf6-/+) 25.bc6=+ bc6 26.e5 f3 (26...de5!? 27.Qe5 Qf6=+) 27.Kh1 de5 (27...Qc4?? 28.Rg1 Kf7 29.ed6+-) ½–½. Briscoe,C (2265) – Andreev,Pete (1900), A2Bmedialtd.com Int Gp B, Uxbridge ENG, 2009.

3.e4 e5

4.d3 Bb4 5.c3 (5.Nd2 Nc6+=) 5...Ba5 (5...Be7 6.Nf3 Nc6 7.Nbd2-/+) 6.Nf3+= Nc6 7.Be2 (7.Nbd2 d5-/+) 7...0-0 8.0-0 d6 (8...d5 9.Nbd2-/+) 9.Na3 (9.d4 Bg4+=) 9...a6 (9...d5 10.Qc2-/+) 10.Nc4+= b5 (10...Re8 11.Na5 Na5 12.Bc1+=) 11.Na5 Na5 12.c4 (12.Bc1 Be6+=) 12...bc4 13.dc4 Ne4 14.Qd3 (14.Qd5!? Rb8 15.Be5 de5 16.Qe4-/+) 14...Bf5-+ 15.Qa3 (15.Nd4 Nf2 (15...ed4?! 16.Qd4 f6 17.Qd5 Kg7 18.Qa5-/+) 16.Qc3 Ne4 (16...ed4?! 17.Qd4 f6 18.Rf2-/+) 17.Qa5 ed4-+) 15...c5 (15...Nb7 16.Rad1 Qf6 17.Nd2-+) 16.Bd3-/+ Nc6 (16...Rb8 17.Bc1 Re8 18.Re1-/+) 17.Rae1 (better is 17.Rfe1 Nf6 18.Bf5 gf5 19.Rad1-/+) 17...Nd4?? (better is 17...Nf6 18.Bf5 gf5-/+) 18.Nd4 (18.Bd4 cd4 19.Be4 (19.Re4?! Be4 20.Be4 Ra7=) 19...Be4 20.Re4+/-) 18...Nd2 (better is 18...cd4 19.Be4 Be4 20.Re4 Qc7+/-) 19.Bf5?? (better is 19.Nf5 gf5 20.f4 Nf1 21.Rf1+-) 19...gf5?? (better is 19...cd4 20.Bd3 Nf1 21.Bf1 Qc7=) 20.Nf5 (better is 20.Qg3!? Kh8 21.Nf5 Qf6 22.Nd6 Nf1 23.Kf1 Qg6 24.Qg6 fg6 25.Be5 Kg8+-) 20...Nf1 (20...f6 21.Qg3 Kf7 22.Rd1 Nf1 23.Kf1+- (23.Rf1?! Rb8 24.Ba3 Qb6+-)) 21.Rf1 Qf6 (21...Kh8 22.Qg3 Rg8 23.Nd6 Rg3 24.Nf7 Kg8 25.Nd8+-) 22.Qd3 (better is 22.Qg3!? Kh8 23.Nd6 Qg7 24.Be5 f6+-) 22...Rad8 (better is 22...Rfb8 23.Bc3 Rb6+-) 23.Qg3 Kh8 24.Qf4 (better is 24.Nd6 Qg7 25.Be5+-) 24...Qe6 (24...Rb8 25.Bc3 Rg8 26.Qe4+/-) 25.Qe4 Rg8 26.f4 Qg6?? (26...f6 27.Rd1+-) 27.g3 (better is 27.fe5!? d5 28.cd5 Rb8 29.e6 f6+-) 27...Rde8? (better is 27...f6+-) 28.Re1 (28.Rd1 f6 29.Rd6 Rgf8+-) 28...h5 (28...Rb8 29.Bc3 Rge8 30.fe5 de5 31.Be5 Kg8 32.Qf4+-) 29.fe5 (better is 29.Rd1!? Rd8 30.Rd6 Rd6 31.Nd6 Qe4 32.Ne4 Rd8+-) 29...de5 30.Be5 (better is 30.Rf1!?+-) 30...f6+/- 31.Nh4?? (31.Ne7 Re7 32.Qg6 Rg6 33.Bf6 Rf6 34.Re7 h4+/-) 31...Qg5?? (31...Qe4 32.Re4 Re5 33.Rf4-+) 32.Bf6?? (better is 32.Nf3 Qg7 33.Qf5 fe5 34.Qh5 Qh7 35.Re5 Re5 36.Qe5 Qg7 37.Qc5 Qa1 38.Kf2 Qa2 39.Ke3 Re8 40.Kf4+/-) 32...Qf6-+ 33.Qe8 Re8 34.Re8 Kg7 (better is 34...Kh7 35.Re2 Qd4 36.Kf1 Qc4-+) 35.Ra8? (better is 35.Re7 Kg8 36.Re8 Kh7 37.Re2-+) 35...Qd4 36.Kf1 Qc4 (36...Qc4 37.Kf2 Qa2 38.Ke3 Qe6 39.Kf2 c4 40.Ra7 Kh6-+) 0–1. mpopp – princeflash, net–chess.com, 2017.

4.Be5 Qe7 5.Bc3 Rg8 (5...Ne4!? 6.Be2 Nc3 7.dc3 Qg5=+) 6.e5 (6.f3 d5 7.e5 Nh5+=) 6...Nd5 Pawn b4, live or die! 7.a3 (7.Nf3 d6+=) 7...Nc3= 8.Nc3 Qe5 9.Be2 d5 (9...Qg5 10.Bf3=) 10.Nf3+= Qd6 11.0-0 Bd7 12.Re1 Be7 13.Nb5 Qb6 14.Nbd4 Nc6 15.Nc6 Bc6 16.Nd4?? (better 16.c4 Bd7 17.Ne5+-) 16...Qd4-+ 17.c3 Qf6 18.b5 Bd7 19.c4 (19.Bf3 Be6-+) 19...dc4 20.Bc4 0-0-0 21.a4 (21.d4 Rge8-+) 21...Qd4 (21...Bc5 22.Qe2-+) 22.Qc2?! (22.Re7 Qc4 23.Rc1-+) 22...Rge8 23.Bf7 Rf8 24.Rac1 The mate threat is Qxc7 24...Bd6 25.Bc4 (25.Qc4 Qf4 (worse 25...Qd2 26.Rcd1 Qb4 27.h3-+) 26.Qf4 Bf4-+) 25...Qf2 26.Kh1 Bf5 (26...Qf4 27.g3 Qf3 28.Kg1 Bc5 29.Re3 Bh3 30.Qf5 Rf5 31.Be6 Kb8 32.Bd5 Qf1 33.Rf1 Rf1) 27.Bd3 (27.d3 Qh4 28.g3 Bg3-+) 27...Qh4 (27...Qf4 28.g3 Qf3 29.Kg1 Bd3 30.Qd1 Qf2 31.Kh1-+) 28.g3 (28.Bf5 Rf5 29.g3 Bg3-+) 28...Qh3 (better 28...Bg3 29.Bf5 Rf5 30.Re2-+) 29.Bf5 Rf5 (worse 29...gf5 30.Re7 Kb8 31.Re3-+; worse 29...Qf5 30.Qf5 gf5 31.Rc4-+) 30.a5 (30.Qb3-+) 30…Rf2 (30...Rf2 31.Qc7 Bc7 32.Rc7 Kc7 33.Re7 Kd6 34.Rd7 Rd7 35.d4 Qh2) 0–1. aravind555 – Attee, lichess.org, 2019.

4.Be5 Bg7 5.d3 Nc6 6.f4 0-0 7.Bc3 a5 8.b5 Nb4 9.a3 Nc6 10.bc6 bc6 11.Nd2 Ba6 12.Ngf3 d5 13.e5 Nd7 14.Bb2 Nc5 15.Nd4 Na4 16.Bc1 c5 17.N4b3 c4 18.Na5 cd3 19.cd3 c5 20.Qa4 1–0. ArgosZgZ – Alirezaalipourbadi71, lichess.org, 2018.

4.Be5 Bb4

5.Qf3 Be7 6.Bc4 0-0 7.Bb2 Nc6 (7...d6 8.Nc3=) 8.Ne2 (8.e5 Nh5=) 8...d6 9.0-0 (9.Bb3 Bg4 10.Qe3 Be2 11.Qe2 Ne4-/+) 9...Be6 (9...Ne5 10.Be5 de5 11.Rd1=) 10.Be6 fe6 11.Nf4 Qd7 12.Qb3 (12.Qh3 Nd8=) 12...Kf7 (12...d5 A) 13.Qb7 Rab8 (13...Ne4?! 14.Nd3-+) 14.Qa6 Rb2-+; B) 13.ed5 Nd5 14.Nd5 Qd5 15.Nc3 (15.Qb7? Rab8 16.Qc7 Rb2-+) 15...Qb3 16.ab3=) 13.d3 (13.Re1 Rab8+=) 13...g5 (13...a5 14.a4= (14.Qb7? Rfb8 15.Qb3 Rb3 16.ab3 Nb4-+)) 14.Nh3+= h6 15.f4 (15.Qb7? Rab8 16.Qa6 Rb2-+) 15...Rg8 (15...gf4 16.Nf4 (16.Qb7? Rab8 17.Qa6 Rb2-+; 16.Rf4?! Ke8+=) 16...Nd8 17.Nh5+/-) 16.fg5 (16.Qb7? Rab8 17.Qa6 Rb2 18.fg5 hg5-+ (18...Rc2?! 19.Qa4 Rb2 20.Qa3 Rb1 21.Rab1 hg5 22.Qc3+=)) 16...hg5 17.Qc3 (17.Nd2 Raf8+/-) 17...e5 18.Qb3 Kg6 19.Rf5 Attacks the isolani on g5 (better is 19.Nf2+/-) 19...Nd4? (better is 19...g4!? 20.Nf2 Na5+=) 20.Bd4+- ed4 21.Ng5 Ng4?? (better is 21...d5+-) 22.Qf7 Kh6 23.Qh7 1–0. DEFFM – THEBIRDS, freechess.org, 2018.

5.Qf3 Be7 6.Bc4 d6 7.Bb2 0-0 8.Nc3 Be6 (8...c6 9.Bb3=+) 9.Bb3 (9.Be6 fe6 10.Nge2 Nc6=) 9...Nbd7 (9...Nc6 10.Nh3=+) 10.Nh3= Ne5 11.Qe3 (11.Qe2=) 11...Nfg4 (11...c5 12.f3 c4-/+) 12.Qe2+= Qd7? (12...Bd7 13.0-0+=) 13.d4 (better 13.Be6 fe6 14.d4+-) 13...Bb3+= 14.ab3 Nc6 15.0-0-0 Nf6 (15...Nb4 16.Kb1+=) 16.e5+= de5?? (better 16...Nh5+=) 17.de5+- Qe6 (17...Qf5 18.ef6 Bf6 19.Nd5 Bb2 20.Kb2+-) 18.ef6 Qe2 19.Ne2 Bb4 20.Nef4 Rfe8 21.Rd7 Rad8 (21...Red8 22.Rd8 Rd8 23.Nd3+-) 22.Rc7 Bd6 (22...Na5 23.Ng5 Rf8 24.Nfe6 Bd2 25.Kb1+-) 23.Rb7 Re4 (23...Nb4 24.Kb1 Bf4 25.Nf4+-) 24.g3 Rde8 (24...Rb4 25.Rb4 Nb4 26.c3+-) 25.Ng5 Re1 (25...Nd8 26.Rd7 Rf4+-) 26.Re1 Re1 27.Kd2 Rb1 28.Nf7 Bf4 29.gf4 Rb2 30.Nh6 (30.Ng5 Kh8 31.Rg7 Rc2 32.Kc2 Nd8 33.Re7 Ne6 34.Re6 Kg8 35.Re8) 30...Kf8+- 31.Rc7 Nb4 32.Rc8 1-0. Lance5500 (2415) - missflick (1710), lichess.org, 2017.

5.Qf3 Be7 6.Bc4 d6 7.Bb2 Nbd7 8.d4 d5 9.ed5 Nb6 10.Bb5 Bd7 11.Bd7 Qd7 12.Nd2 0-0 13.c4 Bb4 14.Qf6 Rfe8 15.Kf1 Bd2 16.d6 Re6 17.Qf3 Rae8 18.g3 Nc4 19.Qb7? Rd6 20.Kg2 Rb6 (21.Qf3 Rb2-+; 20...Nb2?! 21.Qb2 Qc6 22.Nf3-+) 0–1. Angermann,Immo_Frank – Henkes,Houston, 1998.

4.Be5 d6

5.Bb2 Bg7 6.f3 0-0 7.d4 Re8 8.Bd3 Nh5 9.Ne2 f5 (better is 9...Qh4!? 10.g3 Qh3+=) 10.0-0+/- f4 11.Qd2 Bh6 (11...Qg5 12.g4 a5 13.b5+-) 12.Nbc3 Rf8 13.d5 (13.Bc4 Kh8+-) 13...Qh4 (13...Bg7 14.b5+/-) 14.Qe1 (14.Nb5!? Na6+-) 14...Qd8 15.Bc1 (15.a4 a5+-) 15...Bg5 (15...Bg7 16.a4+/-) 16.Bd2 Bh4 17.Qc1 Bg5 18.Nd1 Bh6 19.Nf2 Qh4 20.c4 Ng3? (better is 20...Nd7+/-) 21.c5?? (21.Ng3 fg3 22.hg3 Bd2 23.gh4 Bc1 24.Rfc1 a5+-) 21...c6?? (21...Nf1 22.Qf1 Bg7 23.Rc1=) 22.cd6?? Bd7?? 23.dc6 Nc6? 24.Bc4 Kh8 25.b5 Ne5 26.Bc3 Bg7+/- 27.Be5 Be5+= 28.Rb1 Bd6?? 29.Rd1 Bc5? 30.Rd7 Bf2?? 31.Kf2 Ne4 32.Kg1 Qf2 33.Kh1 Rac8 34.Qb2 Rf6 35.Rbd1 (35...Rcf8 36.Qe5+-; better is 35.fe4 Qh4 36.Rf7+-) 1–0. slavisa3 – POPU, Caissa.com, 2004.

5.Bf6 Qf6 6.c3 Nc6 7.d4 Bh6 8.Bd3 0-0 9.Ne2 Bd7 10.0-0 Qg5 11.f4 Qh4 12.Rf3 Bg4 13.g3 Qh5 14.Rf2 Rae8 15.Qc2 d5 16.ed5 Ne7 17.c4 Nf5 18.Nbc3 Ne3 19.Qd2 Bf3 20.Re1 Bf4 21.Nf4 Nc4 22.Bc4 Re1 23.Qe1 Qg4 24.Qe3 Bd1 25.h3 Qd7 26.Nd1 g5 27.Nh5 Qh3 28.Nf6 Kg7 29.Qg5 Kh8 30.Rh2 Qh2 31.Kh2 a6 32.Qh6 1–0. ArgosZgZ – kimitox, lichess.org, 2019.

4.Nf3 d6

5.Bc4 Ne4 6.Ne5 de5 7.Qe2 Bf5 8.d3 Nf2 9.Qe5 Be7 10.Qh8 Kd7 11.Qd4 Ke8 12.Qf2 Nc6 13.a3 Bh4 14.g3 Be7 15.Nd2 Qd6 16.0-0-0 Kd7 17.g4 Be6 18.Rde1 Bc4 19.Nc4 Qd5 20.Ne5 Ne5 21.Re5 Qa2 22.Qd4 Bd6 23.Rhe1 Rd8 24.g5 Kc8 25.Qg4 Kb8 26.Re8 a6 27.Rd8 Ka7 28.Bd4 b6 29.Bb2 Qd5 30.Qc8 b5 31.Qb8 1–0. Adjailton (1875) – moatazganem (1925), lichess.org, 2020.

5.d4 ed4 6.Qd4 Bg7 7.e5 (7.Bb5!? c6 8.Be2=) 7...Nfd7 8.Bb5 0-0 9.Bd7 (9.Qe3 c6 10.Bd3 Re8-/+) 9...Bd7 (9...Nd7 10.Qe4-/+) 10.0-0 Nc6 11.Qc3 (11.Qf4 Re8-/+) 11...Ne5 12.Ne5 de5 (12...Be5 13.Qa3-/+) 13.Qb3 (13.Rd1 Qc8-/+) 13...Be6 14.c4 Qg5 15.Nc3? (better 15.Na3-/+) 15...Bh3-+ 16.g3 Bf1 17.Rf1 Rfd8 18.Ne4 Qe7 19.c5 c6 (19...a5 20.ba5 Ra5 21.Bc3-+) 20.Qf3? (better 20.Nd6-+) 20...a5 (better 20...Qe6 21.Qa3-+) 21.Nd6 (21.a3 ab4 22.ab4 Qe6-+) 21...ab4 22.Bc1 (22.Qb3 b6! 23.f4 Qe6 24.fe5 bc5 25.Rf7 Qb3 26.ab3 Ra2-+) 22...b6 (22...Ra2?! 23.Bg5 f6 24.Qb3 Kf8 25.Qa2 fg5 26.Qa5-/+) 23.Ne4 bc5 (23...f5 24.Bg5 fe4 25.Qb3 (25.Be7?? ef3 26.Bd8 Rd8 27.cb6 Rb8-+) 25...Qf7 26.Bd8 Rd8 27.cb6 Qb3 28.ab3-+) 24.Bg5 Qe8 (better 24...f6 25.Nf6 Bf6 26.Bf6-+) 25.Bd8 Qd8 26.Rd1 Qe8 (26...Qe7 27.Qb3-+) 27.Nd6? (27.Nc5 Bf8 28.Nd7-+) 27...Qe6 28.Qc6 e4 (better 28...Rd8 29.Qc5 Bf8 30.Qb4 Qa2-+ (worse 30...Rd6 31.Rd6 Bd6 32.Qa5-+; worse 30...Bd6 31.Qb3-+)) 29.Qa8+- Bf8 1–0. Adjailton (1765) – DanielVel (1785), lichess.org, 2019.

3.e4 e6

4.a3 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 g6 4.e4).

4.c4 Bb4 5.Qf3 Be7 6.g4 g5?? (better is 6...0-0-/+) 7.h4+/- gh4 8.g5 Ne4 9.Bh8 Ng5 10.Qh5 Bf6 11.Bf6 Qf6 12.Nc3 b6 13.Nge2?? (better is 13.Bg2 c6 14.Rh4+-) 13...Bb7= 14.Rg1?? h6 15.f4?? Ne4?? 16.Rg8 Ke7 17.0-0-0 Nf2+= 18.Re1 Nd3-/+ 19.Kd1 Ne1 20.Ke1 Nc6 21.Ra8 Ba8 22.Bg2 Bb7 23.Qb5 a6 24.Qb1 Qg7 25.Bc6 Bc6 26.d4? h3-+ 27.d5 h2 28.Qe4 Qg1-+ 29.Kd2 Bb7 30.Ng1 hg1Q 31.d6 cd6 32.Qb7 Qf2 33.Kd3? Qf4 34.Qb6 h5 35.Qa6 h4 36.Qa8 h3 37.Qh8 Qg3 38.Kc2 h2 39.Kb3 Qg2 0–1. typ48 – pepekrol, kurnik, 2012.

4.Qf3 Bg7 5.e5 (5.d4 Qe7=) 5...Nd5 6.a3 Nc6 7.Bb5 (7.d4 Qh4 8.g3 Qg5+/-) 7...Nde7 (better is 7...Ne5!? 8.Qg3 Nd3 9.Bd3 Bb2-/+) 8.d4= d5 9.Nh3 Bh6 (9...0-0 10.0-0=) 10.Qf6= Rg8 (10...0-0!?=) 11.Ng5+= Bg5 (11...Rg7 12.0-0+=) 12.Qg5 Bd7 13.Nd2 (13.Bd3 Nf5 14.Qd8 Rd8+=) 13...a6 (13...Ne5 14.Be2 N5c6 15.Qh4=+) 14.Bd3 h5 (14...Nf5 15.Qd8 Rd8 16.Nb3+/-) 15.0-0-0 (15.0-0!?+/-) 15...b5 16.h4 (16.Qf6 a5 17.Bb5 ab4=+) 16…Qb8 (17.g4 a5 18.gh5 gh5 19.Qh5 ab4 20.ab4 Nb4=+). Stoot – coolerdude, ChessWorld.net, 2005.

4.e5 Nd5

5.a3 a5 6.c4 Nb6 7.ba5 Ra5 8.Bc3 Ra8 9.Qb3 Qg5 10.Nf3 Qg4 11.h3 Qe4 12.Be2 Bg7 13.d3 Qc6 14.0-0 0-0 15.Nd4 Qa4 16.Qb2 Be5 17.Bd1 Qa6 18.Nb5 Bc3 19.Qc3 Qa5 20.Nc7 Qc3 21.Nc3 Ra5 22.Ne4 d5 23.cd5 Nd5 24.Nd6?? Nc7-+ 25.Nc8 Rc8 26.Bf3 Nc6 27.Rfb1 Rb5 28.Rc1 Nd5 29.a4 Rb3 30.a5 Rb8 31.a6 Na7 32.d4? ba6 33.Ra6 Nb5 34.Bd5 ed5 35.Ra5 Nd4 36.Rd5 Ne2 37.Kh2 Nc1 0–1. typ48 – isniqi, kurnik, 2012.

5.a3 a5 6.c4 Nb6 7.d4 ab4 8.c5 Nd5 9.ab4 Ra1 10.Ba1 Nb4 11.Be2 Bg7 12.Nf3 d6 13.Qa4 N4c6 14.cd6 cd6 15.Bb5 de5 16.de5 0-0 17.0-0 Bd7 18.Rd1 Qc7 19.Qe4 (better is 19.Bb2!?+=) 19...Qa5 20.Bc6? (better is 20.Nc3 Ne5 21.Ne5 Bb5 22.Nb5 Qb5 23.Ng4-/+) 20...Bc6-+ (20...Nc6?! 21.Nbd2+=; 20...bc6?! 21.Bc3 Qc7 22.Nbd2=) 21.Qd4 Na6?? (better is 21...Bf3 22.Bc3 Qe5 23.Qe5 Be5 24.gf3 Bg7-+) 22.Bc3-/+ Qa2 23.Nbd2 Qc2 24.Re1 Nc7 25.Ne4?? Be4 26.Re4 Nd5 27.Be1 Bh6 28.Qc4 Qb1 29.g3? Qd1?? 30.Kg2-/+ Rd8 31.Nh4? Nb6 32.Qb5 Qc2 33.Rc4?? Nc4-+ 0–1. typ48 – isniqi, kurnik, 2012.

5.a3 a5 6.c4 Ne7 7.c5 ab4 8.ab4 Ra1 9.Ba1 Nbc6 10.b5 Na7? (better is 10...Nb4+=) 11.Qa4+- Nb5 12.Bb5 Bg7 13.d4 c6 14.Bd3 Nd5 15.Nd2 0-0 16.Ngf3 Nf4 17.Qc2 b6? (17...Ng2 18.Kd1+-) 18.cb6 (18.0-0!? bc5 19.dc5 Qa5+-) 18...Qb6 19.0-0 Rd8 20.Nc4 Qa6 21.Nb2 Qb6 22.Na4 Qa7 23.Nc5 d6 24.ed6 Rd6 25.Be4 f5 26.Bd3 Qa3 27.Bb2 Qb4 28.Bc3 Qb6 29.Rb1 Qc7 30.Bf1 Nd5 31.Bd2 Rd8 32.Qa4 Rf8 33.Ba5 Qd6 34.Bb4 Nb4 35.Qb4 Rd8 36.Bc4 Bd4 37.Nd4 Qd4 38.Be6 Kh8?? 39.Qd4 Rd4 40.Bc8 Kg7 41.Ne6 Kf6 42.Nd4 c5 43.Nb3 c4 44.Na5 c3 45.f4 g5 46.g3 gf4 47.gf4 Ke7 48.Rc1 Kd6 49.Rc3 Kd5 50.Kf2 Kd4 51.Rc4 Kd3 52.Ba6 Kd2 53.Rd4 Kc3+- (53...Kc3 54.Rd5 Kb2 55.Rf5 Kc3 56.Rc5 Kb4 57.Rb5 Kc3 58.Ke3 Kc2 59.Rb3 Kc1 60.Bd3 h6 61.Rb1#). typ48 – isniqi, kurnik, 2012.

5.b5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 Bg7 9.c4 Nb6 10.d4 c6 11.c5 Nd5 12.b6 Qh4 13.Nf3 Qf4 14.Be2 0-0 15.Nbd2 Na6 16.0-0 Nab4 17.g3 Qf5 18.Nh4 Qc2 19.Qe1 Nd3 20.Bd3 Qd3 21.Ndf3 h6 22.Nd2 g5 23.Ng2 f6 24.ef6 Rf6 25.Qe3 Qe3 26.Ne3 Ne3 27.fe3 Rf1 28.Kf1 Kf7 29.Kg2 Kg6 30.Ne4 d5 31.cd6 Bd7 32.Nc5 e5 33.de5 Kf5 34.Nd7 Ke4 35.e6 1–0. avinoam – iongosa, kurnik, 2012.

5.b5 Bg7 6.c4 Nb6 7.a4 d5 8.cd5 Nd5 9.d4 Qe7 10.Ba3 Qh4 11.Nf3 Qe4 12.Qe2 Qe2 13.Be2 Nf4 14.Bf1 Nd7 15.Nc3 b6 = 16.Nd2 Bb7 17.f3 Rd8 18.g3 Nh5 19.Bc4 Bf8 20.Nde4 Ba3 21.Ra3 Ng7 22.0-0 Nf5 23.Ne2 Ke7 24.Rd1? Ne5 25.Nd2 Nd4 26.Nd4 Rd4 27.Be2 Rhd8 28.Ra2 Bf3 0–1. Krause – Weinlich, corr, 1975.

5.b5 Bg7 6.d4 d6 7.ed6 cd6 8.Nf3 a6 9.c4 Ne7 10.Bd3 d5 11.ba6 Na6 12.Qd2 Bd7 13.0-0 Bc6 14.Ne5 Be5 15.de5 Nc5 16.Be2 Na4 17.Ba3 d4 18.Rd1 Nf5 19.g4 Qh4 20.gf5 Nc3 21.Nc3 dc3 22.Qc3 Qe4 23.f3 Qe2 24.fe6 fe6 25.Rd3 Rd8 26.Bd6 Rf8 27.Re1 Qa2 28.Bf8 Rd3 29.Qd3 Qa5 30.Qe3 Kf8 31.Rd1 Kg7 32.Rd6 Qa1 33.Kf2 Qa2 34.Qe2 Qa1 35.Re6 Qh1 36.Ke3 Qc1 37.Qd2 Qg1 38.Kd3 Qf1 39.Kc3 Qf3 40.Kb4 Qf8 41.Rd6 Qa8 42.Qf4 Qa1 43.h4 Qe1 44.Kc5 Qa5 45.Kd4 Qa1 46.Kd3 Qe1 47.e6 Qd1 48.Kc3 Qa1 49.Kd2 Qb2 50.Ke1 Qc3 51.Kf2 Qb2 52.Rd2 Qf6 53.Qf6 Kf6 54.Re2 Ke7 55.Kg3 b5 56.Kf4 Kf6? 57.e7 Kf7 58.cb5 Bb5 59.Re5 Be8 60.Ke4 h6 61.Kd5 g5 62.hg5 hg5 63.Kd6 Kf6 64.Re2 Kg6 65.Rf2 Ba4 66.Rf8 Bb5 67.Ke5 Ba4 68.e8Q Be8 69.Re8 Kf7 70.Rd8 g4 71.Rd4 Ke8 72.Ke6 g3 73.Rd2 Kf8 74.Rg2 Kg7 75.Rg3 Kh6 76.Kf5 Kh7 77.Kf6 Kh8 78.Kf7 Kh7 79.Rh3# 1–0. Crafty 17.04 – Der Bringer 1.5, Ahrensburg, 2000.

5.b5 Bg7 6.h4!?

3.e4 Bg7

4.b5 c6 5.a4 Qb6 6.e5 Ne4 7.Qe2 Ng5 8.Na3 d6? 9.ed6+- 0-0 10.Nc4 Qd8?? 11.de7 Qd5 12.e8Q Be6 13.Qe7 c5 14.Bg7 Kg7 15.Qe5 Qe5 16.Ne5 Ne4 17.Qb7 Nd7 18.Nd7 Bd7 19.Qd7 Rfd8 20.Qc7 Re8 21.Be2 Kf8 22.d3 Nf6 23.Qc5 Kg7 24.c4 Nd7 25.Qc7 Re7 26.Qb7 Rae8 27.Qa7 Nf6 28.Qd4 Re6 29.a5 R8e7 30.a6 Rd7 31.Qb2 Kg8 32.a7 h5 33.a8Q Kh7 34.Ra7 h4 35.Rd7 (35.Rd7 Re7 36.Qf6 Re2 37.Ne2 h3 38.Qah8#) 1–0. Taulien,Hans_Juergen – Fritz,Marco, remoteschach.de, 2001.

4.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.e4).

4.Bc4 b6?? 5.e5+- Ng8?? (5...Bb7 6.ef6 Bg2 7.fg7 Rg8+-) 6.Qf3 c6 (6...Nh6 7.Qa8 Nc6+-) 7.Qf7 1–0. Wall,Bill – Pet,Hal, chess.com, 2011.

4.Bc4 c6 5.e5 Nd5 6.Qf3 e6 7.Bd5 cd5 8.b5 d6 9.Qg3 Qb6 10.a4 a6 11.Nf3 ab5 12.Bd4 Qd8 13.Nc3 ba4 14.Ra4 Ra4 15.Na4 Qa5 16.Nb2 Nc6 17.Bc3 Qa3 18.0-0 de5 19.Nd3 d4 20.Bb2 Qa2 21.Ra1 Qd5 22.Nfe1 0-0 23.Ba3 Rd8 24.f3 f5 25.Qg5 Kf7 26.Nb4 Nb4 27.Bb4 Rd7 28.Nd3 b6 29.Qg3 Qb5 30.Qe1 Bb7 31.Rb1 e4 32.fe4 Be4 33.Bf8 Qc6 34.Bg7 Bd3 35.Qe5 Kg8 36.Bh6 Ba6 37.Qf6 Qd6 38.Rb6!! 1–0. Hirt – Letzel.

4.Bc4 d5 5.ed5+= 0-0 6.Nf3 c6 (6...Nd5 7.Bg7 Kg7 8.Bd5 Qd5 9.Qe2=) 7.d6 (better 7.dc6!? Nc6 8.a3+=) 7...ed6 8.d4 (8.0-0!?=) 8...d5 9.Bd3 Re8 10.Be2 a5 11.0-0 ab4 12.c3 Na6 13.cb4 Nb4 14.Nc3 Na6 15.Nb1 (15.Re1 Bf5-/+) 15...Bf5 16.Nbd2 (16.Nc3 Qb6 17.Na4 Qa7-+) 16...Nc7 (better 16...Nb4-+) 17.Qb3?? (17.Re1-+) 17...Nb5 (better 17...Re2 18.Rfe1 Re1 19.Re1 Ne4-+) 18.a4 (18.Bb5!? cb5 19.Rfc1-/+) 18...Nd6 19.Bc1?? (19.Rfe1!?-/+) 19...Nfe4 (better 19...Re2 20.Ba3 Nfe4 21.Ne4 Be4 22.Bd6 Qd6 23.Qb7-+) 20.Ng5?? (better 20.Re1-+) 20...Nd2 (20...Ng5!? 21.Nf3 Nf3 22.Bf3 Bd4 23.Ra2-+) 21.Bd2 h6 (21...Re2!? 22.Bf4 Bd4 23.Rad1-+) 22.Nf3 (22.Nf7 Kf7 23.Be3-+) 22...Ne4 (better 22...Re2 23.Rfe1 Re4-+) 23.Nh4?? (better 23.Be3-/+) 23...Qh4 (better 23...Nd2 24.Qd1 Qh4 25.Qd2 Qd4 26.Qd4 Bd4-+ (26...Re2?! 27.Qd1 Ba1 28.Qe2 Ra4 29.Qe7-/+)) 24.Bf4 (24.Be3-+) 24...Qf4 25.Qd3 (25.Rad1 Nd2 26.Qb7 Nf1 27.Bf1-+) 25...Nd2 26.Qf3 Nf3 27.Bf3 Be4 (27...Be4 28.Be4 Bd4-+) 0-1. anotherheaven (1815) - Seppo (2400), Daily Bullet Arena, lichess.org, 2015.

4.Bc4 e6 5.Qf3 d6 6.Ne2 Nc6 7.a3 e5 8.h3 b6 9.d4 0-0 10.0-0 Qe7 11.Nd2 Nh5 12.g4 Nf6 13.d5 Nd8 14.Qg2 Nd7 15.f4 f6 16.f5 g5 17.Kf2 Kf7 18.h4 Ke8 19.hg5 fg5 20.Rh1 Nf6 21.Rh3 Nf7 22.a4 a6 23.Bd3 h6 24.a5 Rb8 25.b5 ba5 26.Ra5 ab5 27.Bb5 Bd7 28.c4 Nd8 29.Rha3 Nb7 30.Ra8 Kf7 31.Bd7 Qd7 32.Rb8 Rb8 33.Nb3 Nc5 34.Nc5 dc5 35.Be5 Re8 36.Bf6 Bf6 37.Qf3 Qd6 38.Kg2 Qb6 39.Qb3 Re4 40.Qb6 cb6 41.Ra7 Ke8 42.Kf3 Rc4 43.Rh7 b5 44.Rh6 Kf7 ½–½. Roczniak,Jan – Gorlach,F, Poland corr, 1985 (?).

4.Bc4 Nh5 5.Bg7 Ng7 6.Qf3 e6 7.d4 c6 (7...Qe7 8.c3+=) 8.Nd2 a5 9.b5 a4 10.Ne2 cb5 11.Bb5 Qa5 (11...0-0 12.Rb1+/-) 12.Bd3 (12.Nc3 Qb4+-) 12...Nc6 13.Qe3 Nb4 14.0-0 Nd3 15.Qd3 b5 (15...d5 16.c4+/-) 16.f3 (better is 16.e5!? d5 17.ed6+-) 16...Ba6+= 17.Qa3?? (17.c3!?+=) 17...b4 (better is 17...Qd2!? 18.Rfe1 b4 19.Qc1 Qc1 20.Nc1-+ (20.Rec1?? Be2 21.Rcb1 Rb8-+)) 18.Qc1?? (better is 18.Qe3=) 18...Be2-+ 19.Re1 Qb5 20.c3 Bd3 21.cb4 Qb4 22.Re3 Qb5 23.Qa3 Rc8?? 24.Qd3 Qd3= 25.Rd3 Rc2 26.a3 0-0 27.Kf2 Rb8 28.Ke3 Rbb2 29.Rd1 Ra2 30.h3 Ra3?? 31.Ra3+- (31...d5 32.Rb1+-) 1–0. slavisa3 – expert, Caissa.com, 2004.

4.d4 Ne4 5.Nd2 Nf6 (5...Nd2 6.Qd2 d5 7.Nf3-/+) 6.Ngf3 0-0 7.Be2 d5 (7...Nd5 8.a3-/+) 8.0-0 Nbd7 (8...Qd6 9.a3-/+) 9.Bb5 (9.Re1 Nb6-/+) 9...c6 10.Ba4 (10.Bd3 Nh5-/+) 10...Nb6 11.Bb3 Qc7 (11...Qd6 12.Re1-/+) 12.h3 (12.Re1 Bg4-/+) 12...Bf5 (12...Qd6 13.Re1-/+) 13.Re1 (13.a4 a5 14.ba5 Nc8-/+) 13...Rfe8 (13...a5 14.ba5 Ra5 15.Bc3-/+) 14.c4 dc4 15.Nc4 Nbd5 16.Nce5 Be6 17.Ng5= Rad8 18.Ne6 fe6 19.a3 Rf8 20.Ng4 Qd7 21.Qe2 Rde8 22.Qe6 Qe6= 23.Re6 Ng4 24.hg4 Rf6 25.Rae1 Re6 26.Re6 Kf7 27.Re4 Kf8 28.g5+= e6 29.Bc4 Ke7 30.f4 Kd6 31.Kf2 b6 32.Kf3 b5 33.Bb3 a6 34.g4 a5 35.ba5 Ra8 36.Bd5 ed5 37.Re3 Ra5 38.f5 Ra8 39.Re6 Kd7+= 40.Kf4 Ra4-/+ 41.Re3 Bd4 42.Bd4 Rd4 43.Ke5? Rg4-+ 44.fg6 Rg5 45.Kf6 Rg6 46.Kf7 d4 (46...d4 47.Rh3 Re6-+) 0–1. gtate (1930) – bobbs (2175), net–chess.com, 2005.

4.e5 0-0?? 5.ef6+- ef6 6.Be2 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Re8 10.Nf3 Nc6 11.b5 Ne5 12.Ne5 (12.0-0 Nf3 13.Bf3 d5+-) 12...fe5 13.d3 d5 14.Nd2 Qg5 15.0-0 (15.h4 Qf5+-) 15...Bh3+- 16.Bf3 c6 (better 16...e4!? 17.Ne4 de4 18.de4 Ba1 19.Qa1 Bg4 20.Bg4 Qg4+-) 17.Re1+- h5 (17...Be6 18.c4+-) 18.g3 (18.c4 Be6+-) 18...Ra8 19.Bh1?? (19.Nb3 Qf5+-) 19...Bg4? (better 19...Ra1 20.Qa1 Qd2=) 20.Nf3+- Bf3 (20...Qf5+-) 21.Bf3 (21.Qf3?! e4 22.de4 Ra1 23.Ra1 Ba1 24.bc6 Qc1 25.Kg2 de4 26.Qe4 bc6 27.Qc6 Bd4+-) 21...h4 22.Qe2 (22.c4 hg3 23.hg3 e4 24.Bg7 ef3+-) 22...e4 23.Bg7 Kg7 (23...ef3 24.Qe5 Qe5 25.Be5 cb5+-) 24.de4 hg3 (24...de4 25.Qe4 hg3 26.hg3 (26.bc6?! gh2 27.Kh1 bc6+-) 26...cb5 27.Qb7+-) 25.fg3 (better 25.hg3 de4 26.Qe4 cb5 27.Qb7+-) 25...Qe5 (25...de4 26.Be4 Qb5 27.Qb5 cb5 28.Bb7+-) 26.Qd2 (better 26.ed5 Qe2 27.Re2 cb5+-) 26...de4 27.Kh1 (better 27.bc6 Qc5 28.Qf2 Qf2 29.Kf2 ef3 30.cb7+-) 27...Ra1+- 28.Bd1 e3 29.Re3 (better 29.Qe2 Qb5 30.Qb5 cb5 31.Rf1+-) 29...Rd1= 30.Qd1 Qe3 31.Qa1 Kh7 32.Qf1 Qe4 33.Kg1 Qh1 (33...Qh1 34.Kh1 Kg7+-). lecw (1970) – FeegLood (2310), lichess.org, 2017.

4.f4 d6 5.Nf3 0-0 6.d3 Bg4 7.Be2 Bf3 (7...c6 8.c4=) 8.Bf3 Nbd7 (8...c6 9.c4=) 9.Nd2 (9.0-0 c6 10.d4 Qb6+=) 9...e5 (9...c6 10.d4=) 10.f5 (10.fe5 Ne5 11.0-0 c6+=) 10...c6= 11.fg6 fg6 12.0-0 Qb6 13.Kh1 Qb4 14.Rb1 Qa5 15.a3 b5-/+ 16.Nb3 Qb6 17.Qd2 h5 18.Qe1 Bh6 19.Qg3 g5 20.Be2 Rf7 21.h4? g4-/+ 22.Qe1 Raf8 23.g3 d5-+ 24.ed5 Nd5 25.Qa5?? Rf1 26.Bf1 Qf2 27.Qe1 Qc2 28.Na5 Rf2 29.Kg1 Be3 30.Qe3 (30.Be2 Re2 31.Kf1 Rf2 32.Kg1 Rg2 33.Kh1 Rh2#) 0–1. inaldo – secgestor, internet, 2007.

4.b5 0-0

5.e5 Ne8 6.d4 d6 7.Nf3 c5 8.dc5+= Qc7 9.cd6 ed6 10.ed6 Qa5 11.c3 Bd7 12.Be2 Bb5 13.Qd5+- Nc6? 14.Bb5 Nf6 15.Qc4 Rfe8 16.Kf1 Re4 17.Qb3 Qb6 18.Bd3 (18.Bd3 Qb3 19.ab3+-) 1–0. Taulien,Hans_Juergen – Heller,Roland, remoteschach.de, 2001.

5.e5 Ne8 6.d4 d6 7.Nf3 de5 8.de5 Qd1 9.Kd1 a6 10.a4 (10.Ba3 Bg4 11.Be7 Be5+=) 10...ab5 (10...c5 11.Bc4=) 11.ab5 Ra1 12.Ba1 c6 13.Na3 Nc7 14.Bd3 Rd8 15.bc6 (15.Ke2!?=) 15...Nc6=+ 16.h3 Nb4 17.Ke2 Nd3 18.cd3 Bf5 19.Rd1 (19.Nd4!?=+) 19...Ne6-/+ 20.Nc4? (better 20.Ne1-/+) 20...Nc5?? (better 20...Bd3 21.Rd3 Nf4 22.Ke3 Nd3-+) 21.Ne1 (21.Nd4 Bd7=) 21...b5 22.Ne3 Be6 23.Bc3 (23.d4 Nb3=) 23...Nb3 (23...Na4 24.Ba1=+) 24.N1c2 Rc8 25.Bb2 Bh6 26.Rb1 Na5 (26...Rd8!?=) 27.Nd4+= Bd7 28.Nd5 Bf8 (28...Rc5 29.Ne7 Kf8 30.Ng6 Ke8 31.Nh4 Re5 32.Kf1+/-) 29.Ba3 (29.Nb6 Rd8 30.Nd7 Rd7+-) 29...Re8 (29...Nc6!? 30.Nc6 Bc6 31.Ne7 Be7 32.Be7 Re8+/-) 30.Nb5 Bb5 (30...Rb8 31.Nbc3 Rb1 32.Nb1+-) 31.Rb5 Nc6 32.Rb7 Ne5 33.Be7 Nc6?? (better 33...Be7 34.Re7 Re7 35.Ne7 Kf8+-) 34.Nf6 (34.Nf6 Kh8 35.Ne8 Ne7 36.d4+-) 1-0. cabbage9 (2850) - zsolti_83 (2650), Rated Bullet game, lichess.org, 2020.

5.e5 Ne8 6.d4 d6 7.Nf3 de5 8.de5 Qd1 9.Kd1 Bg4 10.Nbd2 Nd7 11.h3 Bf3 12.Nf3 (worse 12.gf3 Ne5 13.f4 Nd7 14.Bg7 Kg7-/+) 12...Rd8 13.Bd3 Nc5 14.Ke2 Nd3 15.cd3 c6 (better 15...f6!?+=) 16.bc6+/- bc6 17.Rhc1 Nc7 18.Rc6 Ne6 19.g3 Rb8 20.Ba3 Rfe8 (20...Rfd8 21.Rac1 Kf8 22.d4+/-) 21.Rac1 Rb5 22.Ra6 (22.d4 h5+-) 22...Be5+/- 23.Ra7 Bf6 24.Rc4 Rd8 (24...Kg7 25.Bb4+-) 25.Rca4 (25.Be7 Be7 26.Re7 Ra5+-) 25...Rbd5? (better 25...Kf8!?+/-) 26.Be7+- Be7 27.Re7 Rd3 28.Raa7 Rc3 29.Rf7 Rc2 30.Kf1 Rb8 (30...Ra2 31.Rh7 (31.Ra2?! Kf7 32.Ra7 Kg8+-) 31...Rd5 32.h4+-) 31.Rfe7 (better 31.Ne5 Rf8 32.Rf8 Nf8 33.Ng4+-) 31...Nc5?? (better 31...Rbb2 32.Re6 Rf2 33.Ke1 Rf3 34.Re8 Rf8+-) 32.Rg7 Kh8 33.Rh7 Kg8 34.Rag7 Kf8 35.Ne5 (35.Ne5 Rf2 36.Kf2+-) 1-0. cabbage9 (2855) - zsolti_83 (2645), Rated Bullet game, lichess.org, 2020.

4.b5 d6

5.a3 a6 6.a4 0-0 7.Qe2 e5 8.Nf3 Nbd7 9.ba6 Ra6+=.

5.a4 0-0 6.Qe2 e5 7.Nc3 d5 8.ed5 Nd5 9.Nd5 Qd5=.

5.Qc1 0-0 6.Nc3 Nbd7 7.d4 e5 8.Nf3 ed4 9.Nd4 Re8+=.

5.Bc3 e5 6.Qe2 Nbd7 7.Nf3 Nc5 8.Bb4 Nce4 9.d3 Nc5+=.

5.Bc4 a6 6.Nf3 0-0 7.Qe2 ab5 8.Bb5 c6 9.Bc4 b5+=.

5.d3 a6 6.a4 0-0 7.Nf3 ab5 8.ab5 Ra1 9.Ba1 Nbd7=.

5.Bd3 c6 6.Nf3 0-0 7.Nc3 cb5 8.Nb5 a6 9.Nc3 b5=.

5.Qe2 0-0 6.d4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 c5 10.c4 Nfd7 11.Nf3 Nb6 12.Nbd2 Bg4 13.Qe3 N8d7 14.Bd3 e5 15.de5 de5 16.h3 Bf3 17.Nf3 Qc7 18.0-0 Ra8 19.Bc3 Ra3 20.Qd2 Qd6 21.Rd1 Na4 22.Ba1 Nf8 23.Ne1 b6 24.Qc1+- Ra2 25.Bc2 Qf6 26.Qb1 Ra3 27.Rd3 (27.Rd3 Rd3 28.Nd3+-) 1–0. Taulien,Hans_Juergen – Heller,Roland, remoteschach.de, 2001.

5.Qe2 Bg4 6.Nf3 a6 7.Nc3 c6 8.ba6 Na6 9.h3 Bf3+=.

5.Be2 0-0 6.d3 a6 7.ba6 Na6 8.Nf3 e5 9.0-0 Nc5+=.

5.e5 de5 6.Be5 Qd5 7.Nf3 Bg4 8.c4?? Qe5!-+ 9.Qe2 Qe2 10.Be2 0-0 11.h3 Bf3 12.Bf3 Ne4 13.Be4 Ba1 14.Bb7 Nd7 15.Ba8 Ra8 16.Na3 Nc5 17.0-0 Bb2 18.Nc2 Nd3 19.Ne3 Rd8 20.Nd5 Nc5 21.Ne7 Kg7 22.Nc6 Rd2 23.Na7 Rc2 24.a4? Rc4 25.a5 Ra4 26.Rb1?? Bd4 27.b6? cb6-+ 28.ab6 Nb7 29.Nc6 Bb6?? 30.Ne5?? Ra6 31.Nd7 Bf2 32.Kf2+= Nd6 33.Rd1 Ne4 34.Kg1 f5 35.Kh2 Ra2 36.Ne5 Kf6 37.Nf3 f4 38.h4 h6 39.Re1 Ng3 40.Ne5 Re2 41.Ng4 Kg7 42.Re2 Ne2 43.Kh3 g5 44.hg5+= hg5 45.g3?? f3?? (45...f3 46.Ne5 Nd4 47.Nf3 Nf3+=; better is 45...Ng3 46.Ne5 Kf6-+) 0–1. MasterofDisaster – alaric, Live Game Caissa's Web, 2004.

5.f3 0-0 6.g3 c6 7.a4 cb5 8.ab5 a6 9.Nc3 Bd7 10.ba6 ba6 11.d4 e5 12.d5 Qb6 13.Rb1 Qb4 14.Nge2 Rc8 15.Qd2 a5 16.Bc1 Qc5 17.Qe3 Qe3 18.Be3 Na6 19.Bg2 Nc5 20.0-0 Rab8 21.Rb8 Rb8 22.Ra1 Rb2 23.Rc1 a4+= 24.Nd1 Rb8 25.Ra1 Ra8 26.Ra3 Ne8 27.Nec3 Nc7 28.Nb2+= Nb5 29.Nb5 Bb5 30.Bc5 dc5 (30...dc5 31.c4 Bd7=). MasterofDisaster – Thalassa, Live Game Caissa's Web, 2004.

5.f3 e5 6.d4 0-0 7.de5 Nfd7 8.Nc3 Be5 9.Nge2 Nc5+=.

5.Qf3 0-0 6.d4 e5 7.d5 c6 8.dc6 bc6 9.Nd2 d5+=.

5.Nf3 a6 6.e5 Nfd7 7.d4 0-0 8.ba6 Na6 9.Bc4 de5+=.

5.Bf6 ef6 6.Qf3 f5 7.Nc3 0-0 8.Bd3 fe4 9.Be4 Qe8+=.

5.Bf6 Bf6 6.d4 c6 7.a4 Qa5 8.c3 Bd4?? 9.Qd4+- 0-0 10.Nf3 Bd7 11.Bc4 cb5 12.Bd5 Nc6 13.Qd1 b4 14.Qb3 Rac8 15.c4 e6 16.Bc6 Bc6 17.0-0 Be4 18.Nbd2 Bc6 19.Rfb1 d5 20.Ne5 dc4 21.Nec4 Qg5 22.Nf3?? Bf3-+ 23.Qf3 Rc4 24.Qb7 Rfc8 25.h3 a5 26.Rd1 R4c7 27.Qb6 Qc5 28.Qc5 Rc5 29.Rd7 Rb8 30.Rb1 b3 (30...b3 31.Rd2 Kg7-+) 0–1. Kingeorge (1945) – yorugua (2105), ChessWorld.net, 2003.

5.h3 a6 6.Qf3 e5 7.Nc3 Be6 8.Qd3 Nbd7 9.Nf3 Nc5+=.

5.c4 0-0

6.d3 c6 7.a4 Nh5 8.Bg7 Ng7 9.Nc3 e5 10.Be2 f5 11.h4 Ne6 12.Qd2 f4 13.Nf3 Kg7 14.d4 Qf6 15.de5 de5 16.Qd6 Nd4 17.Qc7 Kg8 18.Rd1 Nd7 19.0-0 c5 20.Rd4! ed4 21.Nd5 Qd8 22.Qd6 Nb6 23.Ne7 Kg7 24.Qc5 Na4 25.Qe5 Rf6 26.Nd5 Nc3 27.Bd3 Nd5 28.cd5 Bg4 29.Qd4 Qb6 30.e5 Qd4 31.Nd4 Rff8 32.f3 Bd7 33.e6 Be8 34.d6 Kf6 35.Re1 g5 36.hg5 Kg5 37.d7 Rh8 38.Be4 Rd8 39.Bf5 1–0. Olej – Saskowski, corr Poland 1964–65.

5.f4 0-0

4.Bc4 0-0

5.d3 d5 6.ed5 Nd5 7.Bg7 Kg7 8.c3 a5 9.b5 Nb6 10.Nd2 Nc4 11.Nc4 Bf5 12.d4 Qd5 13.Ne3 Qb5 14.Ne2 Nd7 15.0-0 Bd3 16.Re1 Be2 17.Re2 Nf6 18.Rb1 Qc6 19.c4 b6 20.d5 Qd6 21.Qd4 e5 22.Qh4 Nd7 23.Rbe1 f5 24.Nc2 Qf6 25.Qg3 f4 26.Qh3 Qf5 27.Qf5 Rf5 28.f3 Rc8 29.Na3 c6 30.dc6 ½–½. Cottarelli,Franco – Fekete,Albert, corr ICCF TT 6/02/2, 2004.

5.d3 d6 6.Ne2 (--> 3.e4 d6 4.Bc4 Bg7 5.Ne2 0-0 6.d3).

5.d3 d6 6.Nf3? e5 7.0-0 c6 8.Nbd2 Na6 9.Ba6 ba6 10.Nc4 Nh5 11.Na5 Qc7 12.c3 Nf4 13.Bc1 Bg4 14.Bf4 ef4 15.d4 c5! 16.Qd3? cb4 17.cb4 Bf3? 18.gf3 Qb6 19.Nb3 Rac8 20.Rac1 Rfd8 21.a3 Qb5 22.Qb5 ab5 23.Rfd1 Rc4 24.Na5 Rc1 25.Rc1 Kf8 26.Rc2 Rd7 27.Rc8 Ke7 28.Nc6 Kf6 29.Ra8 Rc7 30.d5 Kg5 31.Ra7 Rc8 32.Rf7 Bb2 33.Ra7 h5 34.Kg2 Kh4 35.Rd7 Be5 36.h3 g5 37.Ne7 1–0. Kretschmar – Blechschmidt, Karl–Marx–Stadt 1956.

5.d3 e5 6.Nf3 Nc6 7.0-0 d6 8.a3 Bg4 9.h3 Bd7 10.Qd2 Qc8 11.b5+= Ne7 12.Nc3 Bh3 13.gh3+/- Qh3 14.Qd1 Nh5 15.Nh2 Nf4 16.Qg4 Qg4 17.Ng4 h5 18.Ne3+- g5 19.Ncd5 Neg6 20.Nc7 Rac8 21.Ncd5 Nh3 22.Kh2 g4 23.f3 Kh7 24.fg4 hg4 25.Kg3 f5 26.Nf5 Rf5 27.Rf5 Ngf4 28.Kg4 Rg8 29.Nf4 Nf4 30.Rh1 (30.Rh1 Bh6 31.Bg8 Kg7 32.Bb3+-) 1–0. pierre – sabaro16, internet, 2008.

5.e5 Ne4 6.Bd5 Ng5 7.f4 e6 (7...c6 8.Bb3 Ne6 9.Be6 fe6 10.Ne2=) 8.Bb3+= (< 8.fg5 ed5 9.Nf3 d6=+) 8...Ne4 9.Nf3 d6? (better is 9...a5 10.a3 a4+=) 10.d3+- de5 11.de4 Qd1 12.Kd1 ef4 13.Bg7 Kg7 14.Ke2 Nc6 15.b5 Nb4? (better is 15...Na5+-) 16.c3 Na6 (16...f5 17.cb4 fe4 18.Ng5+-) 17.ba6 ba6 (17...b5 18.Rd1+-) 18.Nbd2 Bb7 (18...Rb8 19.Rhd1+-) 19.Rab1 Rad8 (19...Rab8 20.Rb2+-) 20.Bc4 Bc6 21.Ba6 f5 (21...Rd6 22.Bb7+-) 22.e5 Bf3 (22...Kh6 23.Bb7 Bd5 24.Bd5 Rd5 25.Nb3+-) 23.Nf3 c5 (23...Rd5 24.Rb7 Rc5 25.Kd2+-) 24.Ng5 Rfe8 (24...Rd5 25.Rb7 Kg8 26.Bc4 Re5 27.Kf3+-) 25.Rb7 Kh6 (25...Kg8 26.Bc4 Rd5+-) 26.Rh7 Kg5 27.Kf3 Rd2 (27...Rd3 28.Bd3 Rd8 29.h4) 28.h4 1–0. lucya (2140) – il_conte (1690), GameColony.com, 2002.

5.e5 Ne4 6.Qg4 d5+= 7.Qe2 Nc6=+ 8.b5 Nb4 9.Bb3=+ Bf5?? 10.a3+/- Nc5 11.ab4+- Nb3 12.cb3 d4 13.Nf3 Qd5 14.Qc4 Qe4 15.Kd1 Be6? 16.Qd4?? Bb3 17.Kc1 Qc2# 0–1. Hajek,Jaroslav – Petrilak,Jan (1620), Brno Duras BVK op–B, 2003.

5.e5 Ne8 6.Nf3 d5 7.Bb3 c6 8.0-0 a5 9.ba5 Na6 10.c4 Nec7 11.d4 dc4 12.Bc4 Nd5 13.Nc3 Qa5 14.Qb3 Be6 15.Ng5 Nac7 16.Ne6 fe6 17.Ne4 Qa4 18.Bd5 ed5 19.Nc5 Qb3 20.ab3 Rfb8 21.Ra8 Ra8 22.Nb7 Ne6 23.Ra1 Ra1 24.Ba1 Bh6 25.Bc3 Kf7 26.g3 Bc1 27.Kf1 Ke8 28.Ke2 Ba3 29.Kd3 Kd7 30.b4 Kc7 31.Nc5 Nc5 32.dc5 Kb7? 33.Kc2 Ka6 34.Bd2 (34...Bb4 35.Bb4+-) 1–0. Gesswein,Viktor (2075) – Temminghoff,Stefan (1750), Gmuend op, 1999.

5.Qf3 d6 6.h3 e6 7.Ne2 d5 8.Bd3 de4 9.Be4 Ne4 10.Bg7 Nd2 11.Nd2 Kg7 12.Qc3 Qf6 13.Qf6 Kf6 14.Ne4 Kg7 15.0-0-0 a6 16.a3 Nd7 17.h4 Nb6 18.h5 Bd7 19.h6 Kh8 20.N2c3 Bc6 21.Rd3 Nc4 22.a4 b5 23.a5 Ne5 24.Rdd1 Nc4 25.Rd3 Ne5 26.Rdd1 Nc4 27.Rhe1 Rfd8 28.Rd8 Rd8 29.g4 Rd4 30.Nc5 Nd6 31.Na6 Rc4 32.Rd1 f5? 33.Nc7+- Nf7 34.Rd3 Nh6 35.a6 Ng4 36.a7 Nf2 37.Rd6 Bb7 38.Ne6 (38.Ne6 Rc8 39.Nb5+-) 1–0. Birzer,Lothar (1865) – Garibaldi,Lucio (1860), IECG, 2002.

5.e5 Nh5

6.Nc3 e6 7.Nf3 d5 8.ed6 cd6 9.0-0 d5 10.Be2 Nc6 11.b5= Ne7 12.Na4 Qa5 13.Bg7+= Kg7 14.Nc3 f5 15.Bd3 Nf4 16.Qe1 Qb6?? 17.Qe5+- Kg8 18.Qf4 Bd7 19.Qh6 Qd6 20.Ng5 Rf7 21.Nf7 Kf7 22.Qh7 Kf6 23.f4 Rg8 24.Rf3 g5 25.fg5 Rg5 26.Kh1 e5 27.Raf1 e4 28.Be4! Bb5 29.Bf5 Rf5 30.Rf5 Nf5 31.Rf5 Ke6 32.Qf7# 1–0. pierre – alvhinopy, internet, 2008.

6.d4 d5 7.Bb3 a6 8.Nc3 Be6 9.g4 Nf4 10.Qf3 g5 11.h4 f6 12.Nh3 h6?? 13.Nf4+- fe5?? 14.Ne6 Rf3 15.Nd8 Nc6 16.Bd5 e6 17.Ne6 Nb4 18.Bf3 Nc2 19.Kd2 Nd4 20.Bd5 Rd8 21.Nd8 (21.Nd8 Kf8 22.hg5 hg5 23.Nb7+-) 1–0. pierred – tevesij, internet, 2010.

6.d4 d6 7.Nf3 Bg4 8.h3 Bf3 9.Qf3 (< 9.gf3 de5 10.de5 Nc6-/+) 9...Nc6 10.g4 de5 11.gh5 ed4 12.hg6 hg6 13.a3 Ne5 14.Qe2 c6 15.Bb3 e6 16.Nd2 d3 17.Qe3 dc2?? (better is 17...Qf6 18.Rd1 Rfd8+/-) 18.Be5+- Be5 19.Qe5 Qd3 20.Qc5 Rad8 21.Qc2 (21...Qc2 22.Bc2+-) 1–0. Wall,Bill – Gandalf, Internet, 2002.

4.Bc4 Nc6

5.a3 e6 6.b5 Na5 7.Ba2 d5 8.e5 Ne4 9.d3 Nc5 10.Qd2 b6 11.Bc3 Nab7 12.Nf3 Bd7 13.d4 Ne4 14.Qd3 Nc3 15.Nc3 c5 16.bc6 Bc6 17.h4 h6 18.Ne2 b5 19.Nf4 Qa5 20.Kf1 0-0 21.h5 g5 22.Ng5 hg5 23.h6 Be5 24.Nh5 Nc5 25.Qe3= Ne4 26.de5 Qd2 27.Qd2 Nd2 28.Ke2 Ne4 29.f3 Nc5 30.Nf6 Kh8 31.Rh5 Nd7 32.Rg5 Nf6 33.ef6 a5 34.Rb1 b4 35.ab4 ab4 36.Bb3 Ba4 37.Rg7 Bb3 38.Rb3 Rac8 39.Kd2 Rc4 40.g4 Rfc8? 41.Rf7 Rc2 42.Kd3 Rh2 43.g5 Rg2 44.Rg7 Rf2 45.Ke3 Rfc2 46.Rb4 e5 47.Rb3 e4 48.Rbb7 d4 49.Kf4 (49...R2c7 50.Rbc7 Rc7 51.g6 Rc3 52.Re7 Rc8 53.Rh7 Kg8 54.Rg7 Kh8 55.f7 Re8 56.fe8Q#) 1–0. Roldan,Antonio Jose – Pulkkinen,Marko, internet, 1998.

4.Bc4 d6

5.d3 0-0 6.Bb3 Na6 7.a3 c5 8.h4 (better is 8.bc5!? Nc5 9.Nf3=) 8...cb4-/+ 9.h5 Nh5 10.Bg7 Ng7 11.ab4 Be6 (11...Nb4!? 12.Qd2 Qb6-/+) 12.Be6= Ne6 13.Qd2 Rc8?? (better is 13...Re8=) 14.Qh6+- Ng5 15.Qg5 f6 (15...f5 16.Qh4 h5 17.Qg3+-) 16.Qd2 (better is 16.Qd5 Rf7 17.Qb7 Nb8+-) 16...Qb6 17.c3 Rc7 18.Ne2 Rfc8 (18...e6 19.Nf4 Re8 20.Qa2+-) 19.Qa2 Kh8 (19...d5 20.Rh3 Rd7 21.ed5 f5+-) 20.Qf7 (20.Qf7 Qf2 21.Kf2 h5 22.Nf4 Rg8 23.Ng6 Rg6 24.Rh5 Rh6 25.Rh6) 1–0. Torres,Douglas D S (2085) – Santos,Lucas Rocha D A, Nordestao – Regional Nordeste, 2007.

5.d3 Nc6 6.a3 0-0 7.Nf3 Bg4 8.Nbd2 d5 9.Bf6 Bf6 10.ed5 Ne5 11.0-0? (better is 11.Rb1!?=) 11...Nf3 12.Nf3 Ba1 13.Qa1 Bf3 14.gf3 b5! 15.Bb3 (15.Bb5 Qd5 Double attack (15...Qd5 Deflection; 15...Qd5 Decoy)) 15...a5 16.c4? (better is 16.Qc3-/+) 16...ab4-+ 17.a4 ba4 18.Ba4 b3! 19.Qa3 (19.Bb3 Ra1 Pinning (19...Ra1 Deflection)) 19...Qe8!! 20.Ra1 (20.Be8 Ra3 Pinning (20...Ra3 Deflection)) 20...Ra4! 21.Qa4 b2 22.Qd1 ba1R 23.Qa1 e6 24.Qa5 (24.de6 fe6 25.Qe5 Rf3-+) 24...Qd7 25.f4 (25.de6 fe6 26.Qa6 Qd6 27.Qd6 cd6-+) 25...ed5 26.cd5 Qg4 27.Kf1 Re8 28.Qc7 (28.f5-+) 28...Qh3 29.Kg1 Re1 0–1. vaingrecsky (2175) – pierred (2825), net–chess.com, 2016.

4.d3 0-0

5.Qc1 d5 6.e5 Ng4 (6...Nfd7 7.d4+=) 7.f4 a5 8.b5 c6 9.a4 (9.d4 cb5 10.Bb5 Qb6+=) 9...Bd7 (9...cb5 10.ab5 Qb6 11.d4+=) 10.d4 (10.c4 cb5 11.h3 Nh6 12.ab5 Nf5+=) 10...cb5 11.ab5 Qb6 12.Na3 f6 (12...Bf5 13.Nf3=) 13.Nf3 (13.h3 Nh6 14.c4 Nf5=) 13...fe5 14.fe5 (14.Ne5 Qf6 15.g3 Qb6=) 14...Bh6+= 15.Qd1 (15.Qb1 a4+=) 15...Ne3 (15...Be3 16.Qd3-/+) 16.Qe2 Rf4 (better is 16...Qc7-/+) 17.h3?? (better is 17.Qe3 Re4 18.Qe4 de4 19.Nd2+=) 17...Re4-+ (17...Nf1?! 18.Qf1 a4 19.Qd3+=) 18.Kf2 (18.Nd2 Nc2! 19.Nc2 Re2 20.Be2 Bb5 21.Bb5 Qb5 22.Bc1-+) 18...Nf5 19.g4 (19.Qd3 Be3 20.Ke1 Ng3-+) 19...Re2 20.Be2 Be3 21.Kg2 Nd4 22.Nd4 (22.Bd4 Bd4 23.Ra2 Bc3-+) 22...Bd4 23.c3 (23.Bd4 Qd4 24.Rhe1 Qe5-+) 23...Be5 24.Rad1 (24.Rhf1 Qe3 25.Bf3 e6-+) 24...Qe3 25.Bf3 e6 26.h4 (26.Rhf1 Qf4 27.Rf2 Bd6 28.Rd5 Qg3 29.Kf1 ed5 30.Bd5 Kg7 31.c4 Kh6 32.Bc1 g5 33.Rf6 Kg7 34.Rf7 Kg6-+) 26...Bc3 27.Nc2 Qc5 28.Ba3 (28.Bc3 Qc3 29.Nd4 Qb2 30.Kg3 Qb4-+) 28...Qb5 29.h5 (29.Rhf1 Nc6 30.Bd6 Ne5 31.Be5 Be5-+) 29...Qb3 (29...Qb3 30.Rc1 Bd2 31.hg6 hg6-+) 0–1. jaddwarrior (1875) – sadmachines (1970), ChessWorld.net, 2014.

5.Nd2 d5 6.e5 Ng4 7.Ngf3 (7.d4 f6 8.h3 Nf2 9.Kf2 fe5 10.Ke1 ed4+=) 7...d4 (7...Nc6 8.d4 Nb4 9.a3+=) 8.Qe2 Nc6 The pressure on e5 grows 9.c3? (better is 9.b5!? Nce5 10.Nd4 Nh2 11.N4b3 Nf1 12.Kf1+=) 9...Nge5-+ 10.g3?? (better is 10.Ne5 Ne5 11.c4-+) 10...dc3 11.Bc3 Nf3 12.Nf3 (12.Qf3 Bc3 13.Rc1 Bb4 14.h3-+) 12...Bc3 13.Nd2 Nd4 14.Qd1 Qd5 15.Rg1 Qe5 16.Be2 Bh3 17.Rc1 (17.f3 Nf3 18.Kf2 Bd4 19.Kf3 Qe3) 17...Nf3 0–1. vaingrecsky (2175) – aperturaf (1800), net–chess.com, 2016.

5.Nd2 d6 6.a3 e5 7.Ngf3 a5 8.g3 (8.Be2 ab4 9.ab4 Ra1 10.Qa1 Nh5=) 8...ab4=+ 9.ab4 Ra1 10.Ba1 Nbd7 (10...Na6 11.c3=+) 11.Bg2= Qe7 12.0-0 c6 13.Re1 d5 (13...Re8 14.c4=) 14.ed5+= Nd5 15.Nc4 (15.b5 Rd8+=) 15...Qb4 16.Nce5 Ne5 17.Be5 Be5 18.Ne5 Be6 19.c4 Nf6 20.h3 Rd8 21.Qe2 (21.Bc6 Bh3 22.Bh1 Nd7+=) 21...Qc3 22.Rd1 Nd7 23.Nf3 Nc5 The pressure on the backward pawn d3 grows 24.Ne5 (24.Bf1 Nb3=) 24...Nd7 (better 24...f6!? 25.Ng4 Bg4 26.Qg4 Rd3 (26...Nd3? 27.Qe6 Kf8 28.Bf1+-) 27.Qc8 Kg7 28.Qc7 Kh6 29.Rd3 Qd3=) 25.Nf3= Nc5 26.Ne5 (26.Bf1!?=) 26…Nd7 ½-½. opperwezen (2585) - Eldrail (2275), lichess.org, 2017.

5.Be2 d6 6.f4 c5 7.b5 b6 8.Nf3 Bb7 9.Nbd2 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 Qd7 13.0-0 e5 14.fe5 de5 15.Ne5 Qc7 16.Ndc4 Nbd7 17.Nd7 Nd7 18.Bg7 Ra8 19.Qc3 Nf8 20.Bh6 Ne6 21.Bg4 Nd4 22.Qd2 Qe7 23.c3 Ne6 24.Nb6 Ra3 25.Nc4 Ra4 26.Ne5 Bc8 27.Nf7 Qf7 28.Rf7 Kf7 29.Qf2 Ke7 30.Qc5 Nc5 31.Bg5 Kd6 32.Bc8 Nd3 33.b6 Ra1 0–1. Adjailton (1830) – houro (1940), lichess.org, 2019.

5.Be2 d6 6.h3 c5 7.a3 Qb6 8.Qd2 Ne4!=+ 9.de4 Bb2 10.Ra2 Bg7 11.c4 cb4 12.ab4 a5! 13.b5 Bd4 14.Bd3 Bc5 15.Nf3 Bb4-+ 16.Nc3 Bc3 17.Qc3+= Nd7 18.0-0 Nc5 19.Qd4 e5 20.Qe3 Qc7 21.Nd2 f5 22.ef5 Bf5 23.Bf5 Rf5 24.Ne4 Ne4 25.Qe4 Rf4 26.Qd5 Kg7 27.Rc1 Rd4 28.Qe6 b6 29.Re2 Rf8 30.Re5?? de5 31.Re1 Rf6 32.Qg4 Rg4 (32...Rg4 33.hg4 Qc4-+) 0–1. Kannenberg – Scherf, ch Stassfurt, 1985.

5.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 0-0 5.e4).

4.d3 d6

5.b5 Nbd7 6.Nd2 e5 7.Ne2 Nc5 8.g3 Bd7+= 9.a4 0-0 10.Bg2 Qe7 11.0-0= Rac8 12.Qb1 Nh5 13.Nc3 f5 14.Nd5 Qf7 15.ef5 gf5 16.Ne3 f4+= 17.Nd5 Kh8 18.Ra3 c6 19.bc6 bc6 20.Nc4?? f3-+ 21.Nd6 Qd5 22.Nc8 Bc8 23.Bh1 Bh3 24.Re1+= Ne6 25.Re4 Rf5 26.Rh4?? Nhf4!-+ 27.Rf4 Nf4 (27...Nf4 28.gf4 Bf6-+; 27...ef4?! 28.Rb3-+) 0–1. mic (2105) – powerpragt (2140), net–chess.com, 2008.

5.Be2 0-0 6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 0-0 5.e4 d6 6.Be2).

5.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 d6 5.e4).

5.h3 0-0 6.Nf3 c6 7.Nbd2 Nbd7 8.Be2 a5 9.ba5 Qa5 10.0-0 b5 11.Nb3 Qb6 12.Re1 (12.c3 e5=) 12...Bb7 (12...Ne4 13.d4-/+) 13.d4 c5 (13...Ne4!? 14.Bd3 f5=+) 14.e5= Ne8 15.dc5 dc5?? (better 15...Nc5 16.ed6 A) worse 16...Bb2 17.de7 Ne4 A1) 18.ef8N Qf2 (18...Kf8?! 19.Rf1=) 19.Kh1 Ng3 (19...Ba1?! 20.Na1 Ng3 21.Kh2 Ne2 22.Qe2 Qe2 23.Re2 Kf8 24.c3-/+) 20.Kh2 Be5-+ (20...Ba1?! 21.Ng6 hg6 22.Na1-/+); A2) 18.Nfd4+-; B) 16...Nd6 17.Bg7 Nb3 18.Bf8 (worse 18.ab3 Kg7 19.Bd3 Qc7=; worse 18.cb3 Kg7 19.Qd4 Qd4 20.Nd4 b4+-) 18...Na1 19.Be7+=; C) 16...ed6=) 16.Qd7+- Rd8 (16...c4 17.Bd4 Qc7 18.Nc5+-) 17.Qb5 Qb5 18.Bb5 Bf3 19.gf3 Nc7 20.Bc4 Nd5 21.Nc5 e6 22.Rad1 Nf4 23.Kh2 Nd5 (23...Rd1 24.Rd1 Rc8 25.Nb7+-) 24.Bd5 ed5 25.f4 Rc8 (25...Ra8 26.Rd5 Ra2 27.Nd3+-) 26.Rd5 Rfe8 27.a4 f6 (27...Red8 28.Rd8 Rd8 29.Bc3+-) 28.Re3 f5 29.a5 Rc6 30.c4 Rec8 31.Ba3 Bf8 32.e6 (32.Nd7 Bh6 33.Kg3 Rc4 34.Nf6 Kh8+-) 32...Be7 33.a6 Bc5 (33...Re8 34.a7 h6 35.Rb3+-) 34.e7 (better 34.Rc5 Rc5 35.Bc5+-) 34...Ba3 (34...Be7 35.Re7 Ra6 36.Bb2+-) 35.Ra3 (35.Rd8 Kg7 36.Ra3 Re6 37.Rc8 Re7+-) 35...Re6 (35...Kf7 36.a7 Ke7 37.Re5 Kf6+-) 36.Rd8 Rd8 37.a7 (37.ed8Q Kg7 38.Qd7 Kf6 39.a7 g5 40.a8Q gf4 41.Qg8 Re7 42.Ra6 Ke5 43.Qgd5) 37...Re7 (better 37...Ra8 38.Re3 Kf7-+) 38.a8Q+= Threatening mate... how? 38...Ra8 39.Ra8 Kf7 40.c5 (40.Kg3!?+=) 40...Rc7= 41.Ra5 Ke6 42.h4 (42.Kg3 Kd5=) 42...Kd5 Attacks the isolani on c5 43.Kg3 Rc5 44.Rc5 Kc5 45.h5 Kd6 46.hg6 hg6 47.Kh4 Ke6 48.Kg5 Kf7 49.f3 Kg7 50.Kh4 Kh6 51.Kg3 Kh5 52.Kh3 g5 53.Kg3 g4 54.fg4 fg4 55.f5 The passed pawn on f5 will quickly become a dangerous weapon 55...Kg5 56.f6 Kf6 57.Kg4 Kg6 ½–½. pillsbury – rogeliovargas, net–chess.com, 2020.

5.h3 Bd7 6.Nf3+=.

5.h3 Nbd7 6.Nf3= c6 7.Be2 0-0 8.0-0. pillsbury – lubo, net–chess.com, 2018.

4.e5 Nd5

5.a3 b6?? 6.c4+- Nf4 7.Qf3 Ng2 8.Bg2+-.

5.a3 b6?? 6.Qf3?? e6? (better 6...c6=) 7.c4+- Qg5 (7...Bb7 8.cd5 Bd5+-) 8.cd5 Be5 (8...Bb7 9.Nh3 Qd8+-) 9.Be5 (better 9.Nh3 Qf5 10.Qf5 Bb2 11.Qf3+-) 9...Qe5-/+ 10.Ne2? (better 10.Be2!? Qa1 11.de6-/+) 10...Qa1-+ 11.Nec3 Bb7 12.Bc4 Qb2 13.0-0 Qc2 (13...0-0 14.Qg3 ed5 15.Qc7 dc4 16.Qb7-/+) 14.Bd3 (14.Qf4!? 0-0 15.Qc7=+) 14...Qb3 15.Qf6 (15.Nb5 Na6 16.N1c3+/-) 15...0-0-+ 16.h4 (16.Qf4 Rc8 17.de6 fe6 18.Be4-+) 16...Bd5 (better 16...d6 17.Qe7 Rc8-+) 17.h5=+ d6?? (better 17...h6 18.hg6 Nc6=+) 18.h6 Nd7 (18...Qc3 19.dc3 Bg2 20.Qg7) 19.Qg7 1-0. e4_e5_f4 (1710) - Ejvind (1750), lichess.org, 2020.

5.a3 c5 6.c4 Nc7 7.b5 d5 8.cd5 Nd5 9.a4 0-0 10.Nf3 Bd7 11.Bc4 Nf4 12.0-0 a6 13.ba6 Na6 14.Re1 Nb4 15.d3 Bg4 16.Qb3 Bf3 17.gf3 e6 18.Kh1 Qh4 19.Nc3 Qf2 20.Rg1 Qf3 0-1. alessandrocarvalhaes (1840) - Baulo27_JA (1940), lichess.org, 2019.

5.c3 d6 6.ed6+= ed6 (6...Qd6 7.d4 Bf5+=) 7.a4 (7.Qe2!? Be6 8.d4-/+) 7...0-0 (better is 7...Qe7 8.Be2 Nb4-/+) 8.Nf3?? (better is 8.d4-/+) 8...Re8-+ 9.Be2 Nf4 10.Nd4 (10.0-0 Ne2 11.Kh1 Bg4-+) 10...Ng2 (better is 10...Bd4 11.Kf1 Re2 12.cd4-+) 11.Kf1 Bh3 12.Kg1 (12.Qb3 Qe7 13.Qe6 fe6 14.Rg1-+) 12...Nf4 13.Bg4 Qh4 14.Bh3 (14.Ne6 Re6 15.Be6 fe6 16.f3 Nd3 17.Qe2 Qg5 18.Qg2 Qg2) 14...Qh3 15.Qf1 Qg4 (15...Qg4 16.Qg2 Qg2) 0–1. mpopp – pcmvr, net–chess.com, 2017.

5.c3 Be5 6.Nf3 Bg7 7.Qb3-/+.

5.d4 d6 6.c4 Nb4 7.a3 (better is 7.Qa4 N4c6 8.d5+=) 7...N4c6 8.f4 Nd7 9.d5 Ncb8 10.Nf3 de5 11.fe5 0-0 12.g3 c6 13.Nc3 (13.Qd4!?=+) 13...Qa5 14.Qd4 cd5 15.cd5 Nb6 16.Bb5 (better is 16.Nd2!? N6d7 17.Nf3=) 16...a6-/+ 17.Bd3 Bd7 (better is 17...Rd8!? 18.0-0 Nd5 19.Nd5 Rd5-/+) 18.0-0 Bb5 (18...Bh3 19.Rf2 N8d7 20.Rc1=) 19.Bb5 ab5 20.Qc5 Na4 21.Qb5?? (better is 21.Na4!? ba4 22.Rac1=) 21...Nc3 (better is 21...Qb5 22.Nb5 Nb2-+) 22.Qa5=+ Ra5 23.Bc3 Rd5 24.Rad1 e6 (better is 24...Rfd8 25.Rd5 Rd5-/+) 25.Rd5+= ed5 26.Rd1 (26.Rb1 f6 27.Rb7 Nc6 28.ef6 Bf6 29.Bf6 Rf6=) 26...Nc6 (better is 26...Rd8!?-/+) 27.Rd5= Re8 28.Rd7 Ne5 29.Ne5 Be5 30.Bb4 b6 31.Rb7 Bd4 32.Kg2 Re2 33.Kh3 h5 34.Bd6 Bg1 35.g4-/+ Re3 36.Kh4 Bf2 37.Kg5 hg4 38.Kg4 Rb3 39.Bb4 Bd4 40.Kg5 Kg7 41.Bd6 Bg1 42.h4 Be3 43.Kg4 Bf2 44.Rb8 Rg3?? 45.Bg3+- Bg3 46.Kg3 Kf6 47.Rb6 Kf5 48.a4 g5 49.hg5 Kg5 50.a5 f5 51.a6 f4 52.Kf3 Kf5 53.a7 Ke5 54.a8Q Kf5 55.Rb5 Ke6 56.Qc6 Ke7 57.Rb7 (57...Kf8 58.Qc8) 1–0. MasterofDisaster – thedragon, Caissa.com, 2004.

5.Qf3 e6 6.a3 0-0 7.c4 Ne7 8.Qg4 d5 9.Nf3 dc4 10.Bc4+= Nbc6 (10...Bd7 11.0-0 Bc6 12.Rc1 Nd7 13.d4 Bd5 14.Nbd2 c6 15.Rab1+=) 11.0-0 Nd5 12.Re1 Nce7 (12...a6 13.Nc3 b5 14.Bb3 Nce7 15.Ne4+=) 13.Nc3 (13.Bd4 Nf5 14.Bc5 Re8 15.Nc3+=) 13...c6 (13...a6 14.Ne4 Nc6 15.Rac1+=) 14.Rac1 (14.Ne4 Nf5 15.Rac1+=) 14...b5 (14...a5 15.b5+=) 15.Bb3 Bb7 (15...a5 16.Rc2+=) 16.Ne4+/- Nf5 17.Nc5 Qb6? (better is 17...Qe7+/-) 18.Nd7+- Qd8 19.Nf8 Qf8 20.Bd5 cd5 21.Rc7 Rb8 22.Ng5 Ne7? (22...h5 23.Qf4 Bh6+-) 23.Ne6! Qe8 (23...fe6 24.Qe6) 24.Ng7 Kg7 (24...Qd8 25.Rd7 Qf8+-) 25.e6 f6 26.Qg5 (26.Bf6 Kg8 27.Re7 Qe7 28.Be7 Re8 29.Bc5 Rb8 30.Qf4 Rc8 31.Qf7 Kh8 32.Bd4) 26...Qf8 27.Bf6 Qf6 28.Re7 (28.Re7 Qe7 29.Qe7 Kh8 30.Qf6 Kg8 31.Qf7 Kh8 32.e7 Re8 33.Qe8 Kg7 34.Qf8#) 1–0. pierre – Stiglitz, internet, 2011.

5.Qf3 e6 6.a3= 0-0 7.c4 Ne7 8.h4 Nbc6 (8...a5 9.Qf4=) 9.d4 (9.Qf4=) 9...d6 (9...f6 10.Qe2=) 10.b5 Na5 11.h5 Nf5 (11...a6 12.ba6 Ra6 13.c5=) 12.g4 Ne7 (12...Nh6 13.c5+=) 13.h6 (better is 13.g5!?+/-) 13...Bh8= 14.Nd2 de5? (better is 14...d5=) 15.de5+- Rb8 (better is 15...Bd7!? 16.Ne4 Nc8+-) 16.Ne4 1–0. Cornacchini,Gabriele – Berch,Neil, IECG, 1998.

5.Qf3 e6 6.b5 d6 7.d4 de5 8.de5 Nd7 9.Qg3=.

5.a3 0-0

6.c3 Be5!? 7.d4 Bg7-/+.

6.Bc4 Nb6 7.Bb3 e6 8.Nf3 d5 9.d4 Nc6 10.0-0 Nc4 11.Bc3 b6 12.b5 N6a5 13.Ba2 Bd7 14.a4 f5 15.ef6 Bf6 16.Nbd2 Nd2 17.Qd2 Nb7 18.Rfe1 Nd6 19.Bb4 Kh8 20.Qd1 Rc8 21.c3 c5 22.Ba3 Ne4+= 23.Rc1 Be7 24.Bb1 Nd6 25.Bb2 c4 26.Ba3 Nf7 27.Bb2 Ng5 28.Ne5 Bd6 29.Rc2 Ne4 30.f3 Be5 31.de5 Nc5 32.Rce2 a6 33.ba6 Ba4 34.Qd4 1–0. JAY2PLAY – AsceticKingK9, ChessWorld.net, 2011.

6.d4 e6 7.c4 Ne7 8.Nf3 d6 9.Bd3 d5 10.0-0 (10.c5 f6+=) 10...dc4 11.Bc4 Nbc6 (11...Nd7 12.Qc2+=) 12.Nbd2 (12.Nc3 Nf5+=) 12...Nf5 (12...a6 13.Qc2+=) 13.Nb3 (13.Ne4 a6+/-) 13...b6 (13...Nce7+=) 14.Nbd2 (14.d5!? Nce7 15.de6 Be6 16.Qc2+=) 14...Bb7 (14...Ncd4 15.Nd4 Nd4 16.Nf3=) 15.Ne4 (15.Nb1 Qd7=+) 15...Qd7 (15...Nb4 16.Qe2 Nd5 17.Bc1=+) 16.Nf6 (16.Qb1 Rfd8 17.Rd1 Nce7=) 16...Bf6= 17.ef6 Rad8 (better is 17...Rfd8=) 18.Ne5 (better is 18.Bb5!?=) 18...Ne5-/+ 19.de5 Qd1?? (19...Qc6 20.Qg4 Rd2=) 20.Rad1 (20.Rfd1 c5+=) 20...Nh4 (20...c5 21.Rc1+=) 21.f3 h5 (21...c5 22.Kf2+=) 22.Bc1 Nf5 23.g4 (23.b5 c5 24.bc6 Bc6+=) 23...hg4 (better is 23...Nd4!? 24.gh5 Nf3 25.Kf2 Ne5= (< 25...gh5 26.Bf4+/-)) 24.fg4+/- Nh4 (24...Nd4 25.Bh6 Nf3 26.Kf2+/-) 25.Bh6 (25.Be2!? Rd1 26.Rd1 (< 26.Bd1 Rd8+=) 26...Nf3 27.Kf2 Ne5 28.Bf4+/-) 25...Nf3 26.Kh1?? (26...Ng5 27.Rd5 Rd5 28.Kg2 Rd4 29.Kf2 Ne4 30.Kg1 Rc4 31.Bf8 Kf8 32.Rf4-+; better is 26.Kf2+/-) 1–0. chess55555 – tomzr, internet, 2006.

6.Qf3 c6=.

6.Nf3 d6 7.Qe2 Nc6 8.c4 Nf4 9.Qe3 de5 10.Ne5 Ne5 11.Be5 Be5 12.Qe5 Nd3 13.Bd3 Qd3 14.Qe2 (14.Qe7?? Bg4 15.Nc3 Rfe8-+; 14.Qc7 Qe4 15.Kd1 Bg4 16.f3 Bf3 17.Kc1 Rac8 (17...Bg2?! 18.Nc3 Rac8 19.Qg3 Rc4 20.Re1-+) 18.gf3 Qf3 (18...Rc7? 19.fe4 Rc4 20.Nc3+-) 19.Qe7 Qh1 20.Kb2 Rc4-+) 14...Bf5 15.Nc3 (15.Qe7 Rfe8 16.Qe3 Rad8-+) 15...Rad8 16.Rc1 c6 17.0-0 (17.h4!?=+) 17...Qe2-/+ 18.Ne2 Rd2 19.Ng3 Rfd8 20.Rfe1 e6 21.Nf1 Ra2 22.Rc3 (22.Ra1!? Rb2 23.Red1-/+) 22...Rd3-+ 23.Rec1 Ra1! 24.Rd3 (24.Ra1 Rc3 Deflection) 24...Rc1-+ 25.Rd8 Kg7 26.f3 Rc4 27.Rd7 c5 (27...Rc3 28.a4-+) 28.bc5 Rc5 29.Rb7 Ra5 30.Ne3 (better 30.g4!? Bd3 31.Rb3 Bf1 32.Kf1-/+) 30...Ra3-+ 31.Nc4 Ra1 32.Kf2 Kf6 (better 32...g5!?-+) 33.Nd6-/+ a5 34.Rf7 Ke5 35.Nb5 (35.Nf5 ef5 36.Rh7 Ra2 37.Kg3 f4 38.Kh3 a4=+) 35...h5 36.Ke3 a4 (36...Re1 37.Kf2 Rb1 38.Na3 Rb2 39.Kg1-+) 37.Rd7 Kf6 38.Nd6 (38.Ra7 g5-+) 38...a3 39.Ne8 Kg5 40.f4 Kh4 41.Ra7 a2 42.Kf2 Kg4 43.Ra4 Bc2 44.Ra5 Bb3 45.Nf6 Kf4?? (better 45...Kh4 46.Ng8 Rb1-+) 46.g3 1-0. is_er_nog_hoop (2530) - BoomerAangie (2540), Rated blitz game, lichess.org, 2022.

6.c4 Nb6

7.c5 Nd5 8.Bc4 e6 (8...Nf4 9.Qf3 Ne6 10.d4+=) 9.Nf3+= Nc6 (9...d6 10.d4+=) 10.0-0 b6 (10...Nf4 11.b5 Na5 12.Ba2+=) 11.Bd5 ed5 12.cb6 (12.b5 Ne7 13.Qc2 Re8+=) 12...ab6= 13.Qb3 (13.Re1 d6 14.d4 Re8=) 13...Bb7 (13...Ba6 14.d3+=) 14.d4 (14.Re1 Re8=) 14...Ne7 15.Nc3 c6 (15...f6 16.Rfe1=) 16.a4 Nf5 17.Rfe1 (17.a5 d6=) 17...Re8 (17...Nh4 18.Nh4 Qh4 19.a5=) 18.Bc1 (18.a5 d6=) 18...h6 (18...d6 19.Kh1=) 19.Bf4 (19.a5 Nh4 20.Nh4 Qh4=) 19...g5 20.Be3 (20.Bd2!?=) 20...g4=+ 21.Nd2 d6 22.Qc2 Ne3-/+ 23.Re3 de5 24.Rae1 e4 25.Nb3 Qd6 26.b5 Rec8 27.Qd1 f5-+ 28.g3 cb5 29.Nb5 Qb4 30.Qd2 Qd2 31.Nd2 Ra4 32.Nd6 Rc2 33.Nb7 Rd2 34.R3e2 Re2 35.Re2 Bd4 36.Nd6 Bc5 37.Nf5 h5 38.Rb2 d4 39.Kf1 Ra1 40.Kg2 Kf7 41.h3 Kf6 42.hg4 hg4 43.Nh6 Kg5 44.Nf7 Kg6 45.Ne5 Kf5 46.Nd7 d3 47.Rb5 Rc1 48.Nb6 d2 49.Nd5 d1N 50.Nf4 Rc2 51.Rc5 Rc5 52.Kf1 Nc3 53.Ke1 Rd5 54.Nd5 Nd5 55.Kd2 Ke5 56.Kd1 Kd4 57.Kd2 Nb6 58.Ke2 Nc4 59.Kf1 Kd3 60.Kg1 Ke2 (61.Kg2 Ne3 62.Kg1 Nd1 63.Kg2 Nf2 64.Kg1 Nh3 65.Kg2 e3 66.Kh2 Kf3 67.Kh1 Nf2 68.Kg1 e2 69.Kh2 Nh3 70.Kh1 e1Q 71.Kh2 Qg1) 0–1. Illescas Lopez,Antonio – Jimenez Ruiz,Jose Carlos, Malaga City–ch, 2003.

7.d4 Nc4?? 8.Bc4+- e6 9.Nf3 d5 10.Be2 a6 11.0-0 Bd7 12.Nbd2 b6 13.Rc1 c5 (13...Bb5+-) 14.bc5 bc5 15.Rc5 Qb6 16.Qc2 Nc6 17.Nb3 Rfc8 18.Rc1 Bf8 19.Rc3 Na5 20.Nc5 Be8 21.Na4 Qb7 22.Rc8 Rc8 23.Qc8 Qc8 24.Rc8 Ba4 25.Ba6 Nc6 26.Bc3 Ne7 27.Ra8 Bc2 28.Bb4 Kg7 29.h4 h5 30.Ng5 Bf5 31.Be2 Bb1 32.g4 Bc2 33.gh5 gh5 34.Bh5 Bg6 35.Bg6 Ng6 36.Bf8 Nf8 37.Rf8! Kf8 38.a4 1–0. Mr.Oldenslo – Salvatore, ChessWorld.net, 2012.

7.Nf3 d5 8.c5 Nc4 9.Bc4 dc4 10.0-0 b6 11.Re1 c6 (11...bc5 12.Qc1=) 12.cb6 (12.Qe2 Be6=) 12...ab6 13.Qe2 Bb7 (better 13...b5!?=+) 14.Qc4+/- c5 (14...Na6 15.d4+=) 15.bc5 Bd5 16.Qf4 Be6 (16...bc5 17.Nc3+/-) 17.Nc3 (17.cb6!? Qb6 18.Bd4 Qb3+-) 17...bc5+/- 18.Ng5 (18.d4 Qb6 19.Reb1 Bf5 20.dc5 Qc5+/-) 18...Nc6 (18...Bf5 19.e6 f6 20.Nge4+/-) 19.Ne6 fe6 20.Qg4 Qe8? (better 20...Kh8 21.Ne4 Ne5+=) 21.Qe6+- Rf7 (21...Kh8 22.Ne4 Nd4 23.Bd4 cd4+-) 22.Qf7?? (better 22.Ne4 Nd8 23.Qd5+-) 22...Qf7-+ 23.e6 Ne5 (better 23...Qf5-+) 24.ef7+- Kf7 25.Ne4 (25.Nd5!? e6 26.Nc7 Rc8 27.Be5 Be5 28.Re5 Rc7+-) 25...Nf3 (25...Nd3 26.Bg7 Ne1 27.Re1 Kg7 28.Nc5 Ra3 29.Re7 Kf6 30.Re6 Kf5 31.h3+-) 26.gf3 Bd4 (26...Bb2 27.Ra2 Bd4+-) 27.Ng5 Kf6 (27...Kg7 28.Ne6 Kf7 29.Nd4 cd4 30.Bd4+-) 28.Bd4 cd4 29.Ne4 (better 29.Nh7!? Kf7+-) 29...Kg7 (29...Kf5+-) 30.Ng5 Kh6?? (30...Kf6 31.Nh7 Kf7+-) 31.Ne6 d3 32.f4 Rf8 (32...Kh5+-) 33.Re4 (33.Re4 Rf5 34.Re3+-) 1-0. universe64 (2120) - Bo0obyfischer (1880), tripitaka Arena, lichess.org, 2018.

7.f4 Na4?? 8.Qa4+- a6 (8...d6 9.d4+-) 9.Nf3 Nc6 (9...f6 10.Be2+-) 10.d4 d6 11.d5 Na7 12.Nc3 (12.Bd3 c6 13.Qb3 Bh6+-) 12...Bd7 (12...Bg4 13.Be2+-) 13.Qc2 (13.Qb3 Bg4 14.Ne4 e6+-) 13...b5 (13...Bg4 14.Qe4+-) 14.Kf2 (14.Bd3 Bg4+-) 14...de5 (14...c6 15.Bd3+-) 15.Ne5 e6 (15...Bf5 16.Qe2+-) 16.Rd1 Qe7 17.Qe4 Rad8 (17...Rfd8 18.Nd7 Qd7 19.de6 Qe6 20.Qe6 fe6 21.Be2+-) 18.Qe3 Nc8 (18...Ra8 19.Be2+-) 19.cb5 ab5 20.Nd7 Qd7 (20...Rd7 21.Bb5 Rd6 22.Bc4 ed5 23.Bd5+- (worse is 23.Rd5 Qe3 24.Ke3 Nb6+-)) 21.Bb5 Qe7 22.de6 Qe6 (22...fe6 23.Bc4 Rf4 24.Ke2 Rc4 25.Rd8 Qd8 26.Qe6 Kh8 27.Qc4+-) 23.Qe6 fe6 24.Bd7 Rf4 25.Kg3 Be5 (25...Rd4 26.Rd4 Bd4 27.Be6 Kf8 28.Rf1 Ke7 29.Bc8 Rc8 30.Nd5 Kd6 31.Bd4 Kd5 32.Rd1+-) 26.Be6 Kg7 27.Ne2 Rf6 (27...Bb2 28.Rd8 Re4 29.Rc8 Re6 30.Rc7 Kh6+-) 28.Be5 (28.Be5 Nd6 29.Nd4+-) 1–0. Janek – bitsky, internet, 2017.

7.d4 d6

7.f4 d6

6.c4 Nf4+=

7.d4 d6= 8.g3 Nh5 (8...Ne6 9.d5 Ng5 10.Qd2=) 9.Nd2 (9.Be2 de5 10.Bh5 gh5 11.de5 Qd1 12.Kd1 Nc6=) 9...de5 10.de5 Nc6 11.Ngf3 f6 12.Qe2 fe5 13.Ne5 (13.Be5? Ne5 14.Ne5 Qd4-+) 13...Ne5 (13...Nd4 14.Qe4 Be5 15.Qe5 Nc2 16.Kd1 Na1 17.Qh8 Kf7 18.Qh7 Ke8 19.Qg6 Rf7 20.Qh5 Nb3+=) 14.Be5= a5 (14...Bg4 15.Qg4 Rf2 16.Kf2 Qd2 17.Be2 Rf8 18.Kg2+-) 15.Bg7+= Ng7 16.b5 Qd4 (16...Bd7 17.Bg2 c6 18.Rd1+=) 17.Rd1 Bf5 (17...Qc5 18.Qe3 Qe3 19.fe3+=) 18.Bg2+/- Bd3 19.Nb1 (19.Bd5 Qd5 20.cd5 Be2 21.Ke2 e5+/-) 19...Rad8+= 20.Bd5 Qd5 21.cd5 Be2 22.Ke2 e5 23.Rhe1 (23.b6 cb6 24.Nc3 Nf5=) 23...Nf5 24.Kf1 Nd4 25.Nc3 (better is 25.b6!?+=) 25...Nf3=+ 26.Re4 Nh2 27.Kg2 Nf3 28.Rd3 Nd4 29.Re5 Nf5 30.g4 Ng7 (30...Nd6 31.Re7 Rf7 32.Rde3+=) 31.Ne4 (31.Re7 Rf7 32.Rde3 Kf8+=) 31...h5+= 32.Rg3 hg4 (32...h4 33.Rh3 Rf4 34.Rh4+/-) 33.Rg4+/- Rf5 34.Re7 Rf7 35.Re5 (35.Rf7 Kf7 36.Rg5 Nf5=) ½–½. Vitkevicius,Juozas – Cossmann,Robert, CiF TT–94–0026B, 1994.

7.g3 Nh5 8.Be2 d6 9.f4 de5 10.fe5 f6 (10...a5 11.d4=) 11.ef6 (11.Bh5 gh5 12.ef6 Bg4=) 11...Bf6 (11...Nf6 12.d4=) 12.Bf6 Rf6 (12...Nf6 13.d4=) 13.Nc3+= (13.Bh5? Qd4 14.Bf3 Qa1 15.Bd5 Kg7-+) 13...Qd4 (13...Ng7 14.Nf3+=) 14.Nf3+/- Bg4?? (better is 14...Qd8+/-) 15.Nd4+- Be2 16.Qe2 c5 17.bc5 (17.Nd5 Na6 18.Ne6 Re8+-) 17...Nc6 18.Nc6 bc6 19.Qe7 Raf8 20.Ne4 R6f7 21.Qe6 Ng7 22.Qc6 Nf5 23.0-0 Nd4 24.Qd5 Ne2 25.Kg2 Ng3 26.Rf7 Rf7 (26...Nh5 27.Raf1 Nf4 28.R1f4 h6 29.Rf8 Kg7 30.R4f7) 27.Nd6 Ne4 (27...Kg7 28.Qf7 Kh6 29.hg3 a6 30.Rh1 Kg5 31.Qf4) 28.Qf7 Kh8 29.Qf8 1–0. Janek – tinhho, internet, 2017.

7.Qg4 Ne6+=.

7.Qg4 Nh5 8.d4=.

7.g3 Ne6

5.a3 a5

6.c4 Nb6 7.c5 Nc4?? 8.Bc3 (better is 8.Bc4 Nc6 9.d4 ab4 10.ab4 Ra1 11.Ba1+-) 8...ab4= (< 8...Ne5 9.f4 ab4 10.Be5 Be5 11.fe5+/-) 9.ab4 Ra1 10.Ba1 Ne5 (10...Be5? 11.Na3!?+-) 11.f4 (11.d4 Nec6 12.b5 Na5=) 11...Nf3 (better is 11...Nd3 12.Bd3 Ba1=+) 12.gf3 (better is 12.Nf3 Ba1 13.d4+=) 12...Ba1-+ 13.Nc3 Bc3 14.dc3 0-0 15.Nh3 (15.h4-/+) 15...f5 (better is 15...d6!?-+) 16.Qd4 e6 17.Ng5 Qf6 18.Qf6 Rf6 19.Bc4 Nc6 20.0-0 Kg7 (20...h6 21.Nh3-/+) 21.Ra1 h6 22.Nh3 d5 23.cd6 cd6 24.Ra8 Rf8 25.Nf2 d5 26.Bb5 Ne7 27.Nd3 b6?? 28.Ne5 Kf6 29.Nc6 Nc6-/+ 30.Bc6 Kg7 31.Rb8= Ba6 32.Rb6 Bc4+= 33.Bd7 Kf6 34.Re6+/- Kf7 35.Re5 Rd8 36.Be6 Kf6 37.Kf2 g5 38.Bf5?? gf4-+ 39.Re6 Kf5 40.Rh6 Kg5 41.Rc6 Ra8 (42.Rd6 Ra2 43.Kg1 Rc2-+) 0–1. eds – CruelTeenWitch, Caissa.com, 2004.

6.c4 Nb6 7.c5 Nd5 8.Qb3 Nf4 9.Ne2 Ne2 10.Be2 ab4 11.0-0=.

6.c4 Nb6 7.c5 Nd5 8.b5 c6 9.b6 0-0 10.d4 d6 11.cd6 ed6 12.f4 Nf4 13.g3 de5 14.gf4 Qh4 15.Ke2 Bg4 16.Kd2 Bd1 17.Kd1 ed4 18.Nf3 Qf4 19.Bg2 Nd7 20.Nbd2 Nc5 21.Rc1 Nd3 22.Rc2 Nf2 23.Ke2 Nh1 24.Bh1 Rfe8 25.Kf2 Qe3 26.Kg3 Re5 27.Ba1 Rg5 28.Kh3 Rh5 29.Kg3 Re8 30.Rc4 Be5 31.Kg2 Qe2 32.Kg1 Bh2 33.Nh2 Rh2 0-1. alessandrocarvalhaes (1785) - linkarl (1780), lichess.org, 2019.

6.c4 Nb6 7.c5 Nd5 8.b5 c6 9.b6 d6 10.cd6 ed6 11.d4 de5 12.de5 Nd7 13.f4 N5b6 14.Nf3 0-0 15.Bd3 Re8 16.0-0 c5 17.Re1 c4 18.Bc2 Nc5 19.Nd4 Nb3 20.Bb3 cb3 21.Nb3 Qd1 22.Rd1 Nc4 23.Bd4 Rd8 24.Nc3 Bg4 25.Rd3 Bh6 26.g3 Bf5 27.Rdd1 Bf8 28.Nb5 a4 29.Nc5 Ra5 30.Nb7 Rd4 31.Na5 Rd1 32.Rd1 Bc5 33.Kg2 Ne3 34.Kf3 1-0. alessandrocarvalhaes (1865) - hadviii (1790), lichess.org, 2019.

6.c4 Nf4 7.g3 Ne6 8.b5 b6 9.Bg2= c6 10.a4 Bb7 11.Ne2 Qc7 12.f4 (12.Na3 Be5 13.Be5 Qe5=+) 12...c5 (better 12...cb5 13.Bb7 Qb7-/+) 13.0-0 Bg2 14.Kg2 0-0 15.Nec3 Nd4 16.Nd5 Qb7? (16...Qd8 17.Bd4 cd4=) 17.Kg1?? (better 17.Bd4 e6 18.Qf3 ed5 19.Bb2+/-) 17...e6=+ 18.Ne3 h5 (18...d6 19.ed6 Rd8 20.Bd4 Bd4 21.Nc3=+) 19.Ng2 Qe4 (better 19...d6 20.Bd4 cd4 21.ed6 Nd7=) 20.Bd4?? (better 20.d3 Qb7 21.Bd4 cd4 22.Nd2+/-) 20...Qd4-+ 21.Kh1 (21.Ne3 Qa1 22.Qc2 h4-+) 21...Qa1 22.Nc3 (22.Qf3 Ra7 23.Nc3 Qa3-+) 22...Qb2 (22...Qd1 23.Rd1 d6 24.ed6-+) 23.Qc1 (23.Qf3 Ra7 24.Qd3-+) 23...Qc1 24.Rc1 Rd8 25.Ne4 f5 (better 25...d5!? 26.Ng5-+) 26.Nd6 Ra7 27.Rf1 Kh7 28.Nh4 Rf8 (28...Bf8 29.Nf3-+) 29.Rd1 (29.Nf3 Rc7-+) 29...Rc7 (29...g5 30.Nf3 gf4 31.gf4-+) 30.d4 (30.Nf3 Bh6-+) 30...cd4 (30...g5 31.Nf3 g4 32.Nd2 cd4 33.Nb3-+) 31.Rd4 (31.Nf3 Bh6-+) 31...Rc5 (31...g5!? 32.Nf3 g4 33.Nd2-+) 32.Nf3 Bh6 33.Nb7 Rc7 34.Nd6 Rc5 35.h4?? (35.Nb7 Rcc8 36.Nd6-+) 35...Kg7 (35...Rg8 36.Nb7 Rc7 37.Nd6-+) 36.Kg2 (36.Nd2 Rc7-+) 36...Rd8 (36...Rc7 37.Rd3-+) 37.Kf2? (37.Nb7 Rdc8 38.Nc5 Rc5-/+) 37...Kh7 (better 37...Rc7-+) 38.Nb7 Rdc8 39.Nc5 Rc5 40.Ne1? (40.Rd6 Rc4 41.Rb6 Rc8-/+) 40...Kg7 (better 40...Bf8-+) 41.Nd3 Rc7 42.Nc1? (better 42.Rd6 Rb7 43.c5-/+) 42...Kf7-+ 43.Na2 Ke7 (43...Bf8 44.Ke2-+) 44.Nc3 Rc5 45.Ne2 Rc7 46.Nc1?? (46.Nc3 Bf8 47.Kf3-+) 46...Rc8 47.Nd3 Rd8?? (47...Kd8 48.Nc1-+) 48.Ke3?? (better 48.Rd6=) 48...d5 49.c5 bc5 50.Nc5 Rc8 51.Nd3? (51.Nb7 Rc3 52.Rd3 Rc7 53.Na5 Ra7-+) 51...Nd7 52.Kd2 Rc4 (better 52...Nb6 53.Ne1-+) 53.Rc4 dc4 54.Nb2 Nb6 55.Kc3 Kd7 56.Nc4 Nd5 (better 56...Na4 57.Kc2 Nc5 58.Na5 Ne4-+) 57.Kd4 Nb4?? (57...Bf8 58.Na5 Nb6 59.Nb3 Na4 60.Kc4-+) 58.Nb6?? (better 58.Na5 Bf8 59.Nb3+=) 58...Kc7-/+ 59.Nc4 Nc2 (better 59...Nd5-/+) 60.Kc3= Ne1 (60...Nb4 61.Na5 Nd5 62.Kc4 Ne3 63.Kd3=+) 61.Nd6?? (better 61.Na5 Bf8 62.Nb3+=) 61…Kd7 0-1. alessandrocarvalhaes (1705) - I_Bleed_Chess (1810), lichess.org, 2019.

6.c4 Nf4 7.g3 Ne6 8.b5 c6 9.a4 cb5 10.cb5 d6 11.d4 de5 12.d5 Nc5 13.Bg2 Qd6 14.Nf3 0-0 15.0-0 Nbd7 16.Re1 e4 17.Bg7 Kg7 18.Nh4 Nf6 19.Nc3 Bf5 20.Qd4 b6 21.Ne4 Nce4 22.Be4 Be4 23.Re4 Qd5 24.Qd5 Nd5 25.Nf3 e6 26.Ree1 Rac8 27.Kg2 Rc2 28.Nd4 Rfc8 29.Nc6 h5 30.Red1 R8c6 31.bc6 Rc6 32.Rdc1 Rc1 33.Rc1 Kf6 34.h4 Ke5 35.Re1 Kd6 36.Rc1 f5 37.Kf3 Nb4 38.Kf4 Nd3 39.Kg5 Nc1 40.Kg6 Nd3 41.Kh5 Nf2 42.Kg6 Ng4 43.h5 Kc6 44.Kg5 b5 45.Kf4 ba4 46.Kf3 a3 47.Ke2 a2 48.Kd3 a1Q 49.Kc4 Qh8 50.h6 Qh6 51.Kb3 Qe3 52.Kc2 Qg3 53.Kd2 Qd6 54.Ke2 Kd5 55.Kd3 Qe5 56.Kc2 Qd4 57.Kb3 Qb4 58.Kc2 Kc4 59.Kd1 Kd3 60.Kc1 a4 0-1. alessandrocarvalhaes (1775) - Kobarde (1790), lichess.org, 2019.

5.a3 c6

6.c4 Nb6 7.a4 d5 8.a5 Nc4 9.Bc4 dc4 10.Nf3 Bg4 11.0-0 Qd3 12.Re1 Bf3 13.gf3 e6 14.Re3 Qf5 15.Nc3 Nd7 16.Ne2 Kf8 17.Ng3 Qg5 18.Kf1 Be5 19.Be5 Ne5 20.Qc2 Kg7 21.Qc3 f6 22.Ne4 Qf4 23.d4 Nf3 24.Nf6 Nh2 25.Kg2 Ng4 26.Rf3 Qg5 27.Ne4 1-0. alessandrocarvalhaes (1840) - kila_M (1735), lichess.org, 2019.

6.d4 0-0 7.Bc4 Nb6 8.Bb3 d6 9.Nf3 Bg4 10.Nbd2 de5 11.de5 N8d7 12.Qe2 c5 13.0-0 cb4 (13...Qc7!?=) 14.ab4+= Qc7 The pressure on e5 grows 15.Qe4 Bf3 (15...Bf5 16.Qf4+=) 16.Nf3+/- (worse 16.Qf3 Ne5 17.Qh3 e6-/+) 16...Rad8? (16...Nb8 17.Rfd1+/-) 17.Rfe1 (17.Ra7 Rb8+-) 17...e6 (better 17...Nc8!?+/-) 18.Ra7+- Rb8 19.Raa1 Rfd8 20.Rac1 (20.c4 Ra8+-) 20...Nf8 21.Qf4 (21.c4 Rbc8+-) 21...Nd5+/- 22.Qh4 Nd7 (22...Nc3 23.Ra1+/-) 23.Ng5 (23.Bd5 ed5 24.c4 dc4 25.Rc4 Qb6+-) 23...h6 24.Ne4 (24.Nf7 Kf7 25.Bd5 ed5 26.e6 Kg8 27.Bg7 Kg7 28.Qe7 Kh8+-) 24...Kh7 (24...g5 25.Qg3 Nb4 26.Nd6+=) 25.Nf6 N7f6 26.ef6 Bf8 27.b5 b6 28.Qe4 Bc5 29.c4 Nb4 30.Rf1 (30.Be5 Bd6 31.Bd6 Qd6+/-) 30...Bd6 (better 30...Nd3!? 31.Rc2 Nb2 32.Rb2 Rd4=+) 31.g3+/- Bc5 32.Ba1 Rd2 33.Bc3 Rd3 34.Bd1 Rbd8 35.Be2 R3d6? (35...R3d7+/-) 36.Bf3?? (better 36.Be5+-) 36...Rd3 (36...Nd3 37.Rc2+=) 37.Bg2 R3d6? (better 37...Qd7 38.Be5 Rd2+=) 38.h4?? (better 38.Be5+-) 38...Rd3 (better 38...Na2 39.Rc2 Nc3 40.Rc3 Bd4=) 39.h5+/- R3d6? (better 39...Qd7 40.Be5 Rd2+/-) 40.hg6 (40.Be5 Qd7 41.Bd6 Qd6 42.hg6 fg6+-) 40...fg6 41.Be5 Bf2 (41...Qf7 42.Bd6 Bd6+-) 42.Kh2 (better 42.Rf2!? Rd1 43.Rd1 Rd1 44.Bf1 Qf7+-) 42...Bc5 43.Bd6 (better 43.f7 Nd3 44.Qd3 Rd3 45.Bc7+-) 43...Rd6? (43...Bd6 44.Qe3 Be5+-) 44.Qe5 (44.Qe5 Nd3 45.Qe2 Nc1 46.Rc1=) 1-0. alessandrocarvalhaes (1725) - sassos (1755), lichess.org, 2019.

6.d4 d6 7.c4 Nc7 8.f4 e6 9.Nf3 d5 10.c5 Nb5 11.a4 Nc7 12.Bd3 a6 13.Nc3 0-0 14.Qe2 Nd7 15.Qf2 Re8 16.Qg3 Nf8 17.h4 h5 18.Ng5 Nh7 19.Qf3 f6 20.ef6 Nf6 21.0-0-0 Rf8 22.Rde1 Ng4 23.g3 Qf6 24.Ne2 Bd7 25.Rhf1 Rae8 26.Kc2 Bh6 27.Nh3 Bg7 28.Bc1 Bh6 29.Bd2 Kg7 30.Ng5 Bg5 31.hg5 Qf7 32.Rh1 Rh8 33.Ng1 Ref8 34.Nh3 Ne8 35.Nf2 Nef6 36.Ng4 Ng4 37.Be2 Qf5 38.Bd3 Qf7 39.Qg2 e5 40.de5 Ne5 41.fe5 Re8 42.Qf3 1-0. alessandrocarvalhaes (1825) - Cruncher (1895), lichess.org, 2020.

6.c4 Nc7

5.a3 Nc6

6.c4 Nf4 7.g3 Ne6 8.f4 d6 9.Nf3 (better 9.d4 Nb8 10.d5+=) 9...de5-/+ 10.fe5 0-0?? (10...Ned4 11.Nd4 Nd4 12.Bg2-/+) 11.Bg2?? (better 11.d4!? g5 12.d5+/-) 11...Ncd4 (11...Ned4!?-/+) 12.0-0= Nf3 13.Bf3 Nd4 14.Qe1 (14.Re1 c6=+) 14...Nf3 (better 14...Bh3!? 15.Rf2 Nc2-/+) 15.Rf3= e6 (15...f6 16.ef6 ef6 17.Re3=+) 16.d4 b6 (16...b5 17.Qe4 Rb8 18.c5=) 17.Nd2+= Bb7 18.Rf1 Qg5 (18...Qd7!?=) 19.Ne4+/- Qe7 20.Bc1 (20.Nf6 Bf6 21.Rf6 c5+=) 20...Kh8 (better 20...Qd7!? 21.Bb2 Qc6=+) 21.Bg5 Qd7 22.Bf6?? (better 22.Qe3+=) 22...Qd4-+ 23.Kg2 (23.Nf2 Qc4 24.Rc1 Qd5-+) 23...Qe4 (better 23...Be4 24.Kh3 Bf6 25.ef6-+) 24.Kh3 (24.Qe4 Be4 25.Kf2 Bd3-+) 24...Qe1 (better 24...Qg2 25.Kg4 Qh2 26.Bg7 Kg7-+) 25.Rd1 (25.Rae1 Bf6 26.Rf6-+) 25...Qf1! 26.Rf1 c5 27.b5 (27.bc5 Rfc8 28.cb6 ab6-+) 27...Bf6 28.ef6 Rad8 29.g4 Rd4 (29...Rd3 30.Kh4 Bg2 31.Rg1 Rh3 32.Kg5 e5 33.Rg2 h6) 30.Kh4 Rc4 (better 30...g5 31.Kg3 Rd2 32.Rf3-+) 31.h3 Kg8 (better 31...Rd8 32.Rg1 h6 33.Rg3-+) 32.Kg3 Bd5 (32...Rd8 33.Rf3 Rd2 34.Kh4 Bf3 35.Kg5 Rh2 36.a4 Rh3 37.a5 Rg4) 33.g5 Rc3 34.Kg4 Ra3 (34...e5 35.Kh4 Be6 36.Rh1 Rd8 37.Re1 Rh3) 35.h4 Bc4 (35...e5 36.Rf3 Bf3 37.Kg3 Bh5 38.Kf2 Ra2 39.Ke3 Rd8 40.Ke4 Re2) 36.Rh1 White prepares the advance h5 36...Bb5 (36...Rd8 37.Rd1 Rd1 38.Kf4 Rd4 39.Ke5 Re3) 37.h5 Be2 (37...Rd8 38.Rd1 Rd1 39.hg6 Rd4 40.Kh5 Rh3) 38.Kf4 Bh5 (38...Rd8 39.Ke4 Rd4 40.Ke5 Re3) 39.Rc1 (39.Ke5 Rd8 40.Rd1 Rd1 41.Kf4 Rd4 42.Ke5 Re3) 39...Ra4 (39...Rd8 40.Rc4 Rf3 41.Ke5 Rd5 42.Ke4 Rdd3 43.Rc5 bc5 44.Ke5 Rfe3 45.Kf4 e5) 40.Ke3-+ Rg4 41.Ra1 a5 42.Rb1 Rg5 43.Rb6 Rf5 44.Rc6 a4 (44...Rd8 45.Rc8 Rc8 46.Kd2 Rf2 47.Ke3 Rf3 48.Kd2 Rd8 49.Kc2 e5 50.Kb2 Rd2 51.Kc1 Rff2 52.Kb1 Rf1) 45.Kd2 a3 46.Kc2 a2 (46...Ra8 47.Re6 fe6 48.Kd2 a2 49.f7 Kf7 50.Kc2 Ra3 51.Kd2 a1Q 52.Kc2 Rf2) 47.Kb2 Rf2 48.Ka1 Ra8 (better 48...Rd8 49.Rd6 Rf1 (49...Rd6?!) 50.Ka2 Rd6 51.Kb2 Rd3 52.Kc2 c4 53.Kb2 Rf2 54.Kc1 Rd1) 49.Rc5?? (better 49.Rc8! Rc8=) 49...Rf1 50.Kb2 a1Q 51.Kc2 Rc1 52.Kd3 Rc5 53.Ke4 (53.Ke3 Ra3 54.Ke4 Qe5) 53...Ra4 54.Kd3 (54.Ke3 Qd4) 54…Qc3 0-1. alessandrocarvalhaes (1820) - HATIM_DISAAA (1825), lichess.org, 2019.

6.f4 Nf4-/+ 7.Nf3 (7.b5 Nb8 8.Qf3-/+) 7...Ne6 (7...d6 8.g3 Nd5 9.Bb5-/+) 8.Bc4 (8.d4 d5=+) 8...0-0 (8...d6 9.d4 de5 10.d5-/+) 9.0-0=+ b6 (9...d6 10.d4 de5 11.de5 Qd1 12.Rd1=+) 10.d3 (10.Bd5 a6=+) 10...Bb7 11.Nbd2 d6 (11...d5 12.Bb3=+) 12.d4 de5 (12...d5 13.Bb3=+) 13.de5 (better 13.d5!? e4 A) worse 14.de6 Bb2 15.ef7 Kh8 16.Ne4 Nd4=+ (16...Ba1 17.Qa1 e5 18.Rd1+-); B) 14.dc6?! Bc6 15.Ne5 Qd6 16.Nc6 Bb2+=; C) 14.Bg7 Ng7 15.dc6 Bc6 16.Ng5 Qd4 17.Kh1+/-) 13...Ncd4 14.Nd4 Nd4 15.Re1 (15.Nb3 Nb3 16.cb3 a6=+) 15...e6 16.c3 Nf5 17.Nf3 Qe7 18.Qe2 Rad8 19.Bd3 Bf3 20.Qf3 Nh4 21.Qg3 f5 22.Bb5 (better 22.ef6!? Rf6 23.Rad1=+) 22...Rd2 23.Re2 Rfd8 (23...Re2 24.Be2 f4 25.Qh3-+) 24.Bc1 (24.Rae1!?=+) 24...Rd1 (24...f4 25.Qg4 (25.Qf4?? Rd1 26.Kf2 Rf8-+) 25...h5 26.Qh3 Rd1 27.Kf2-/+) 25.Re1 R8d5?? (25...Re1 26.Qe1 Rd5 27.Bc6 Re5 28.Qd1-/+) 26.Be2?? (better 26.Bg5 Re1 27.Re1 Ng2 28.Be7 Ne1 29.Bf6+-) 26...Re1 27.Qe1 Re5 28.Bf4 (28.Qf1 g5-/+) 28...Re4-+ 29.Bg3 Ng2! 30.Kg2 Qg5 (30...f4 31.Qd1 fg3 32.Qd3 Bc3 33.Ra2-+) 31.Qd1? (31.h4 Rh4 32.Bf3 Kf7-/+) 31...Bc3 (better 31...f4 32.Bf3 Re3-+) 32.Bf3? (32.Rc1 Re3 33.Kh1=) 32...Re3?? (better 32...Re1 33.Qe1 Be1 34.Re1 f4 35.Re6 fg3 36.hg3 h5-+) 33.Qc1?? (better 33.h4 Qe7 34.Rc1=) 33...Ba1-+ 34.Qa1 Rf3! 35.Kf3 f4?? (better 35...Qg4 36.Ke3 Qe4 37.Kd2 Qg2 38.Ke3 g5 39.Bc7 f4 40.Kd3 Qh3 41.Kd4 Qh2-+) 36.Bf4+= Qd5 37.Kg3 Qd3 38.Kg4?? (better 38.Kf2 g5 39.Be3 Qf5 40.Ke1+=) 38...Qd7?? (better 38...h5 39.Kg5 Qf5 40.Kh6 Qf4 41.Kg6 Qf7 42.Kh6 Qh7 43.Kg5 c5 44.bc5 bc5-+) 39.Be5 1-0. e4_e5_f4 (1675) - gun44 (1650), lichess.org, 2020.

6.c4 Nb6

7.b5 Na5 8.c5 Nbc4 9.Bc3 a6 +/-.

7.c5+= Nd5 8.b5 Ne5 (8...Nb8!?+= 9.Qf3 e6=; 8...Na5 9.Nc3 c6+=) 9.d4+/- d6 (9...Nc6!? 10.Bc4 Nf4 11.bc6 dc6+/-) 10.de5+- de5 11.Nf3 f6 12.Bc4 c6 13.Nc3 e6 14.0-0 Bd7 15.Qd2 (15.Ne4 0-0+-) 15...Qe7 (15...cb5 16.Nb5 Bf8 17.Rfc1+-) 16.Ne4 (16.Nd5?! ed5 17.Be2 Qc5 18.bc6 bc6+=; 16.Bd5?! ed5 17.bc6 bc6+=) 16...0-0 (16...cb5 17.Bd5 ed5 18.Nd6 Kf8 19.Nb7+-) 17.a4 Rfc8 18.Nd6 Rc7 19.Ba3 Be8 20.Rfe1 Qd8 21.Rab1 Bf8 22.Ne8 Qe8 1-0. Dury,Etienne - Eszes,Zoltan, corr HUN-FRA, 1985.

7.d4 d5 8.c5 Nc4 9.Bc4 dc4+=.

7.d4 d6 8.f4 de5 9.fe5 0-0=.

7.d4 d6 8.f4 de5 9.fe5 e6 10.Nf3+= 0-0 11.Be2 Ne7 (11...f6 12.b5 Ne7 13.ef6 Bf6 14.a4+=) 12.0-0 Nd7 (12...Nf5 13.Qd3+=) 13.Nc3 b6 14.Qd2 Bb7 15.Rad1 Nf5 16.Nb5 (16.Qd3!?+=) 16...a6 17.Nc3 a5 (17...Bh6 18.Qe1=) 18.b5 c6 (18...Bh6 19.Qd3+=) 19.a4 (better 19.bc6!? Bc6 20.d5+/-) 19...c5= 20.dc5 Nc5 21.Qc1 Qe7 22.Bd3? (22.Rfe1!?=+) 22...Nd3 (22...Bh6 23.Qa1 Ne3 24.Bc1-/+) 23.Rd3-/+ Bf3 (23...Qc5 24.Kh1-/+) 24.Rdf3 (24.Ba3 Qh4 25.Rff3=+) 24...Be5-/+ 25.Ne4 Bb2 (25...Nd4 26.Re3 Rfd8 27.c5-/+) 26.Qb2= Rad8?? (better 26...e5=) 27.Nf6+- Kh8 (27...Qf6 28.Qf6 Rd7 29.Re1+-) 28.Nd5 (28.Nd5 Kg8 29.Ne7 Ne7 30.Qf2+-) 1-0. e4_e5_f4 (1780) – mnio, Swiss L5 Team Battle, lichess.org, 2021.

7.d4 d6 8.f4 Bf5 9.Nf3 Be4 (9...e6=) 10.Be2 (10.Nbd2 Bf3 11.Nf3 e6+=) 10...0-0 (10...Bf3 11.gf3 e6 12.h4=+) 11.0-0 (11.Nbd2 Bf5+=) 11...a5 (11...Bf3!? 12.Rf3 de5 13.fe5 Ne5 14.de5 Qd1 15.Bd1 Nc4+=) 12.b5 Na7 13.a4 c5 14.d5 (14.Nbd2 Bf5+/-) 14...de5 (14...Bf3 15.Rf3 (worse 15.Bf3 Nc4 16.Qe2 Nb2-/+) 15...Nd7 16.Bd3=) 15.fe5 (15.Ne5 e6 16.de6 Qd1 17.Bd1 fe6+/-) 15...Qc7 (better 15...Bf3!? 16.Rf3 Nd7=) 16.Nbd2+/- Bf5 17.h3 h5 (17...Rad8 18.Qe1+/-) 18.Re1 (18.Nb3 Nd7+/-) 18...Rad8 19.Bf1 e6 (19...f6 20.e6+/-) 20.d6 Qc8 (20...Qb8 21.Nb3+/-) 21.Nh4 (21.Bc3 Nd7+-) 21...Rd7? (better 21...Rd6 22.ed6 Bb2+/-) 22.Nf5 ef5 23.Nf3 (23.Nb3 Rfd8+-) 23...Re8 (23...Na8 24.Qd5+-) 24.Ng5 (better 24.Qd2!? Na8 25.Qa5+-) 24...Qd8+/- 25.h4 (25.Qd2 Nac8+/-) 25...Bh6 26.Bc1 Kg7 (better 26...Bg7!? 27.Bf4 Nac8+/-) 27.Bf4 Bg5 (better 27...Nbc8+-) 28.Bg5 (28.hg5?! Nbc8+/-) 28...Qb8 29.Bf6 Kh7 (29...Kh6 30.Qd2 Kh7 31.Qa5+-) 30.Qd2 (better 30.Bd3 Kg8 31.Bf5 Re6+-) 30...Nac8 31.Qg5 (31.Qa5 Re6+-) 31...Re6 32.Be2 Nd6 33.ed6 Qd6 (33...Qd6 34.Red1 Re2 35.Rd6 Rd6+-). e4_e5_f4 (1760) - karthik_bitsian (1755), lichess.org, 2020.

5.a3 d6

6.c4 Nf4 7.g3 Ne6 8.d4 de5 9.de5 Qd1 10.Kd1 Nc6 11.f4 a5 12.b5 Ncd4 13.Nc3 Nc5 14.Nd5 Bg4 15.Kd2 Ndb3 16.Ke3 0-0-0 17.h3 (17.Ne7 Kd7 18.Nd5 Na1 19.Ba1 Rhe8+=) 17...Na1+= 18.hg4 Nab3 19.Ne7 Kb8 20.Nf3 (20.Nd5 c6 21.Bg2 Na4 22.bc6 bc6-+) 20...Rd1 21.Bc3 (21.Nd5 Na4 22.Bd4 Bf8-/+) 21...Na4-/+ 22.Be1 Bf8 23.Nd5 Bc5 24.Ke2 Nb2 (24...Nb2 25.Bd2 Rd8 26.Rh7 c6 27.bc6 bc6-+) 0–1. pierred (2825) – pcmvr, net–chess.com, 2016.

6.c4 Nf4 7.g3 Ne6 8.f4 de5 9.fe5 Nc6 10.Nf3 Ned4 11.Nd4 Nd4 12.Bg2 Be5 13.Nc3 Bf5 14.0-0 Bd3 (better is 14...c6!? 15.d3 Qb6-/+) 15.Re1= Bg7 16.Nd5? (16.Bb7 Rb8 17.Bd5 c6-/+) 16...Ne2 (16...Bc4 17.Ne7 Be6 18.Nd5-/+) 17.Re2? (better is 17.Qe2!? Be2 18.Bg7=) 17...Be2-/+ 18.Qa4 Kf8 19.Bg7 Kg7 20.Qc2 Rf8 21.Re1 Bg4 22.Qc3+= Kh6 23.Qe3 Kg7?? 24.Qd4+/- e5 25.Re5+- Kh6 26.Qg4 c6 27.Qf4 Kg7 28.Ne3 f5 29.d4 Rc8 30.d5 c5 31.Re6 cb4 32.ab4 a5 33.Qe5 Kg8 34.d6 Rf7 35.Bd5 1–0. Lenda,Lukasz (1925) – Pitynski,Pawel, Wakacyjny turniej weekendowy w KKSz Poland, 2008.

6.Nf3 Nc6=.

6.c4 Nb6

7.c5 Nd5 8.Nf3 Nc6 9.d4 de5 10.de5 Bg4 11.Bb5 0-0 12.Bc6 bc6 13.h3 Bf3 14.Qf3 (worse 14.gf3 Nf4 15.Qd2 Nd3 16.Ke2 Nb2 17.Qb2 Qd5-/+) 14...a5 15.ba5 Ra5 16.0-0 Rc5 17.Qe4 Qd7 18.Nd2 Rb8 (18...Rb5 19.e6 Qe6 20.Qe6 fe6 21.Bg7 Kg7 22.a4=) 19.Bd4 (19.e6 Qd6 (worse 19...Qe6 20.Bg7 Qe4 21.Ne4+-) 20.Bg7 Kg7 21.ef7 Qf4=) 19...Ra5 20.Nf3 (20.Nc4 Ra4 21.Qc2 Rba8=+) 20...Ra4 (20...c5 21.Be3-/+) 21.Qc2= Rba8 22.Qb3 (22.Bc5 Nf4 23.Rfe1 Qd5 24.Be7 Nh3 25.gh3 Qf3=+) 22...Qe6 (22...Nf4!? 23.Bc5 Qd5 24.Qd5 cd5-/+) 23.Rfe1 h6 (23...R4a5 24.Rec1=+) 24.Bc5= Nf4 25.Qe3 Nd5 26.Qd2 (26.Qb3 Qd7=) 26...Qf5 (26...Nb6 27.Bb4=+) 27.Nd4= Qf4 28.Qf4 Nf4 29.Rad1 (29.Nc6 Rc4 30.Ne7 Kh8=+) 29...e6 30.Nc6 (30.g3 Rc4 31.Nb3 Nh3 32.Kg2-/+) 30...Nd5 (30...Rc4 31.Be3 Nh3 32.gh3 Rc6 33.Bc1-/+) 31.Rd3 (31.Bb4!?=) 31...Bf8=+ 32.Bf8 (32.Bb4 Bb4 33.ab4 Nb4 34.Nb4 Rb4=+) 32...Kf8-/+ 33.Ra1 (better 33.g3-/+) 33...R8a6 (better 33...Rc4 34.Nd4 Nf4 35.Ne6 Ne6-+) 34.Nd4?? (34.Nb8 R6a5 35.Nc6-/+) 34...Ra3?? (better 34...Nf4 35.Rc3 Rd4 36.Rc7 Nd3-+) 35.Raa3 Rb6 36.Ra8 Kg7 37.Rf3 Rb1 38.Kh2 Re1 (38...Rd1 39.Nc6 g5 40.g3+-) 39.Nc6 g5 40.Nd8 (better 40.Re8 Nf4 41.Re7 Rd1+-) 40...f5 (40...Re5 41.Rf7 Kg6+-) 41.ef6! Nf6 42.Ra7 (42.Ra6 g4 43.hg4 Ng4 44.Kg3 Ne5 45.Ne6 Kg8 46.Rf8 Kh7+-) 42...Kg6 (42...Nd5 43.Ra6 Nf4 44.Re3+-) 43.Rc7 Nd5 (43...h5 44.Rf7 Nh7 45.g4 hg4 46.hg4+-) 44.Rc6 Nf4 45.g3 Nh3 (45...Rd1 46.Ne6 Ne6 47.Re3+-) 46.Kh3 Re4 47.Kg2 Kh5 (47...g4 48.Re3 Re3 49.fe3 Kf6+-) 48.Ne6 Re1 (48...Kg6 49.Nc5 Kh7 50.Ne4 Kg7 51.Rc7 Kg6 52.g4 h5 53.Rf6) 49.Ng7 Kg4 50.Rc4 (50.Rc4 Re4 51.Re4) 1-0. Grigoryan,K2 (2605) - Moussard,J (2605), chess24.com INT blitz, 2019.

7.c5 N6d7 8.d4 dc5 9.bc5 Nc6 10.Nf3 0-0 11.Bc4 Na5 12.Bd3 Nb8 13.0-0 Be6 14.Nbd2 Nbc6 15.Ng5 Bb3?? 16.Nb3+- Nb3 17.Qb3 Rb8 18.Rad1 h6 19.Nf3 Na5 20.Qc2 Qd5 21.Be4 Qd7 22.d5 Qb5 23.Nd4 Qc4 24.Qc4 Nc4 25.Bc3 Na3 26.d6 cd6 27.cd6 Nc4 28.de7 Rfe8 29.Bd5 Ne5 30.Ne2 Re7+/- 31.f4 Ng4+= 32.Nd4 Ne3-/+ 33.Rfe1 Nd5-+ 34.Re7 Ne7 35.Re1 Nd5 36.g3 Nc3 37.Nf3 Nd5 38.Ne5 Be5 39.fe5 Re8 40.Kf2 Nc3 41.Kf3 b5 42.h4 b4 43.Re3 Nd5 44.Rb3 a5 45.g4 Re5 46.g5 Nc3 47.gh6 Kh7 48.h5 Kh6 49.Kf4 (49...Re4 50.Kg3 gh5 51.Rb2-+; 49.hg6 fg6 50.Rb2 Rf5 51.Kg2 Rb5-+). MasterofDisaster – ChiefWahoo, Caissa.com, 2004.

7.f4 Be6 8.Qb3 de5=.

7.f4 Be6 8.Qc2 N8d7 (8...Bf5 9.d3=) 9.Nf3 (9.ed6 Bb2 10.Qb2 0-0=) 9...0-0 (9...de5 10.fe5 c5 11.Be2=) 10.d4 f6 (10...Bf5 11.Qb3=) 11.Nbd2 (11.ed6 ed6 12.Bd3 Re8=) 11...c6 (11...fe5 12.fe5 de5 13.de5=) 12.h3 (12.ed6 ed6 13.Bd3 f5+=) 12...Qe8 (12...fe5!? 13.fe5 Qc7+=) 13.Bd3+= Rc8 (13...fe5 14.fe5 de5 15.de5+=) 14.0-0-0 (14.ed6 Bh6+/-) 14...Na8 (14...fe5 15.fe5 de5 16.de5=) 15.g4 (15.f5 Bf5 16.Bf5 gf5+/-) 15...f5 (better is 15...d5!?+=) 16.Ng5+- Bf7?? (better is 16...Nc7 17.ed6 ed6+-) 17.e6 (17.gf5?! de5 18.fe5 gf5+-) 17...Be6 18.Ne6 Rf6 (18...fg4 19.hg4 (worse is 19.Ng7 Kg7 20.d5 Nf6 21.hg4 cd5+-) 19...Rf6 20.Ng7 Kg7 21.Ne4+-) 19.Ng7 Kg7 20.d5 cd5 (20...fg4 21.hg4 Kg8 22.g5+-) 21.Bf6 (better is 21.g5 dc4 22.Be2 d5 23.gf6 Nf6+-) 21...Nf6 22.Qb2 (22.gf5!? dc4 23.Be2 e5+-) 22...e5? (better is 22...dc4!? 23.Nc4 Nb6+-) 23.Kb1+- (23.gf5?! dc4 24.Nc4 Nb6 25.fe5 de5 26.fg6 Nc4 27.Bc4 Rc4 28.Kb1 hg6+/-) 23...Nb6 24.Rc1 (24.Rhe1 dc4 25.fe5 de5 26.Nc4 Rc4 27.Re5 Qf7+-) 24...d4 (24...fg4 25.cd5 Rc1 26.Qc1 ef4 27.Re1+-) 25.gf5 (25.fe5 de5 26.gf5 Na4+-) 25...Na4 26.Qa1 (26.Qb3 Nc3 27.Ka1 e4+-) 26...Nc3 27.Rc3 (27.Kb2 e4 28.Rce1 d5+-) 27...dc3 28.Qc3 Nd5 29.Qb3 (29.Qb2 Nf4 30.Be4 b5 31.cb5 Qb5+-) 29...Nf4 30.Ne4 Qc6 (30...Qd7 31.Rg1+-) 31.Rd1 (31.f6 Kf8+-) 31...gf5 32.Rg1 (32.Ng3 b5 33.Nf5 Kf8 34.cb5 Qc3 35.Qc3 Rc3+-) 32...Kf8? (32...Kh8 33.Nd2 Rf8 34.Qc2+/-) 33.Ng5 (better is 33.c5!? d5 34.Nd6 Rd8+-) 33...Nd3 (33...Qd7!?+-) 34.Nh7 Ke7 35.Rg7 (better is 35.Qd3 Qc4 36.Rg7 Ke8 37.Qc4 Rc4 38.Rb7+-) 35...Kd8? (better is 35...Ke8 36.Qd3 Qc4+-) 36.Qd3 e4 (36...Rc7 37.Rg8 Ke7+-) 37.Qd4 d5 38.Rf7 (38.Qe5 Qc5 39.Qf6 Ke8 40.Qe6 Kd8 41.Rd7) 38...Qd6 (38...Qd7 39.Qf6 Kc7 40.Qe5 Kc6 41.Rf6 Qe6 42.Qe6 Kc7 43.Qd6) 39.Qh8 (39.Qh8 Qf8 40.Qf8) 1–0. Koren,Juraj – Hruska,Karol (1640), European Amateur Chess Championship SLO, 2016.

7.f4 0-0

7.f4 de5

8.Be5 Be5 9.fe5 Qd4-/+.

5.a3 e6

6.d4 0-0 7.Bc4 b6 8.Bd5 ed5 9.Nf3 Bb7 10.Bc1 d6 11.Bf4 de5 12.Be5 Nd7 13.0-0 Ne5 14.de5 Qe7 15.Re1 d4 16.Qd4 Rad8 17.Qf4 Bf3 18.gf3 Rd5 19.Nc3 Re5 20.Red1 Rf5 21.Qd2 Rf3 22.Nd5 Qd8 23.Rab1 Qg5 24.Kh1 Qd2 25.Rd2 c6 26.Ne7 Kh8 27.Nc6 Rc8 28.Na7 Ra8 29.Nb5 h5 30.c4 Rf4 31.Rc1 Rf5 32.Rd7 Kg8 33.Rc2 Re8 34.Nd6 Re1 35.Kg2 Rg5 36.Kf3 Rh1 37.Rf7 Rh2 38.Nb7 Rh3 39.Ke2 Re5 40.Kf1 Kf7 41.Nd6 Ke6 42.c5 bc5 43.bc5 Bf8 44.Ne8 Kd7 45.Nf6 Ke6 46.Nh7 Bc5 47.Kg2 Ra3 48.Rb2 Rg5 49.Kf1 Rg4 50.Rc2 Ba7 51.Nf8 Kf7 52.Nd7 Ke6 53.Nf8 Kf7 54.Nd7 Rf3 55.Nc5 Bc5 56.Rc5 Ra4 57.Rc7 Kf6 58.Rc6 Kg5 59.Rc5 Kh6 60.Rc8 Ra1 61.Ke2 Rf5 62.Rh8 Kg7 63.Rb8 h4 64.Rb7 1-0. alessandrocarvalhaes (1750) - sokol88 (1750), lichess.org, 2018.

6.Nf3 0-0 7.c3 d6 8.d4 de5 9.de5 b6 10.Bd3 (10.Qd2 a5=) 10...Bb7 11.Be4 c5 (better 11...Nd7!? 12.c4 Ne3 13.fe3 Be4=) 12.c4+= Nc3?? (better 12...f5 13.ef6 Bf6+=) 13.Nc3+- (13.Bc3?! Be4 14.Nbd2 Bd3=) 13...Be4 14.Ne4 Qc7 15.0-0 (15.Qd6 Qc8 16.bc5 bc5+-) 15...Nc6 16.Nf6 Kh8 17.b5 Na5 18.Rc1 Rad8 19.Qc2 Qb7 20.Rfe1 Bf6 21.ef6 h6 (21...Rd6 22.Rcd1 Rfd8 23.Rd6 Rd6 24.Bc3+-) 22.Nh4 (22.Re6 Kh7 23.Re7 Rd7+-) 22...Kh7 23.Re3 (23.Re6 Rfe8 24.Ng6 fg6+-) 23...Rd7 (23...Qd7 24.Nf3+-) 24.Rg3 (24.Re6 Rg8 25.Re2 a6+-) 24...Rg8 25.Nf3 Rgd8 26.h3 (26.h4!? Kh8+-) 26...Qc7 27.Be5 Qb7 28.Re1 a6 29.Nh4 (29.h4 ab5 30.h5 Rd3 31.hg6 fg6 32.Ng5 hg5 33.Rd3 Rd3 34.Qd3 g4 35.cb5 c4+-) 29...Rg8 30.Kh2 ab5 31.cb5 Qd5 32.Nf3 Nc4 33.Ba1 (better 33.Re4 Ne5 34.Ne5 Rc7+-) 33...Na3 34.Qc3 (34.Qa4 Nc4+-) 34...Nc4 (34...Nb5 35.Qb2 Nd6 36.Ne5+-) 35.Qc1 g5 (35...Ra8 36.Be5+-) 36.Qc2 Kh8 37.Ng1 (better 37.Qe2!? Ra7+-) 37...Nd2 38.Ne2 Ne4 (38...Ra8 39.Nc3 Qd4 40.Rge3+-) 39.Re3 (39.Nf4! gf4 40.Rg8 Kg8 41.Re4 f3+-) 39...Nf2 40.Ng3 Ng4?? (better 40...Nd3 41.Rd1 c4+-) 41.hg4 c4 (41...Qd2 42.Qd2 Rd2 43.Re6+-) 42.Nh5 (better 42.Re6 Qd3 43.Qf2+-) 42...Qd4 (42...Qb5 43.Re6 Rd3+-) 43.Bd4 Rd4 44.Ng7 (44.Re6 Rf8+-) 44...Rg4 45.Rh3 (45.Ne6 Rh4 46.Kg1 Rf4 47.Nf4 Rf8 48.Re8 Kg8 49.Nd5 c3 50.Ne7 Kh8 51.Rf8) 45...Rh4 46.Rh4 gh4 47.Kh3 Rd8 (47...Rd8 48.Qc4 Rg8 49.Ne6 h5 50.Qh4 Rg6 51.Qh5 Kg8 52.Ng5 Rf6 53.Re8 Kg7 54.Qh7). alessandrocarvalhaes (1800) - Koolak666 (1820), lichess.org, 2019.

6.Nf3 0-0 7.Bc4 Nb6 8.Bb3 a5 9.ba5 Ra5 10.0-0 Nc6 11.d4 Na4 12.Bc1 b6 13.c3 Ra8 14.Ba4 1-0. alessandrocarvalhaes (2035) - JohnatanNico (1985), lichess.org, 2021.

6.Nf3 d6 7.Qe2 0-0 8.d4 de5 9.de5 Nf4 10.Qe3 Bh6 11.Qc5 b6 12.Qc4 Bb7 13.Nbd2 Nc6 14.Rd1 Qe7 15.Bc1 Nd5 16.Be2 a5 17.b5 Na7 18.a4 c6 19.0-0 f5 20.Qa2 c5 21.Bc4 Nc3 22.Qb2 Nd1 23.Rd1 Rad8 24.Qa2 Bd2 25.Be6 Kh8 26.Bd2 Bf3 27.gf3 Rfe8 28.Bf7 Rf8 29.e6 Rd4 30.c3 Rh4 31.c4 Qc7 32.Bc3 Rd4 33.Rd4 1-0. alessandrocarvalhaes (2000) - J_U_B_A (1970), lichess.org, 2021.

6.c4 Nb6

6.c4 Ne7

7.d4 0-0

7.d4 c6

7.f4 0-0

5.b5 0-0

6.c4 Nb4?? 7.a3+- N4a6 8.ba6 Na6 9.Nf3 Nc5 (9...d6 10.d4+-) 10.d4 Ne4 (10...Ne6 11.d5 Nc5 12.Be2+-) 11.Bd3 d5 12.0-0 Bf5 (12...c6 13.Re1+-) 13.cd5 Qd5 14.Nc3 (better 14.Re1 h6 15.h4 Rfd8+-) 14...Nc3 15.Bc3 Bg4 16.Rb1 f5 (16...Rfd8 17.Qe2 Bf3 18.gf3 (18.Qf3?! Qf3 19.gf3 Be5+-) 18...Be5 19.Rb5+- (19.de5?! Qd3 20.Qe3 b6+-; 19.Qe5?! Qe5 20.de5 Rd3+-)) 17.h3 (better 17.Qa4 Qc6 18.Qc6 bc6+-) 17...Bf3 18.Qf3 Qf3 19.gf3 (19.Bc4 Kh8 20.gf3 Rab8+-) 19...b6 (19...Rfb8 20.Rb2 c6 21.Bc4 Kf8 22.Be6+-) 20.Bb4 (20.Bc4 Kh8+-) 20...Rfe8 (20...Rfd8 21.Bc4 (21.Be7?! Rd4 22.Bb5 Be5+-) 21...Kf8 22.Rfd1+-) 21.Bc4 (21.Bb5 Red8 22.Bc6 Rac8+-) 21...e6 22.Bb5 Red8 23.Rfd1 c5 (23...Kf7 24.Rbc1 c5 25.dc5 Be5 26.cb6 ab6 27.Rd8 Rd8 28.Rc6+-) 24.dc5 bc5 25.Bc5 Be5 26.Be7 (better 26.Rd8!? Rd8 27.Bc4 Bd6 28.Be6 Kg7 29.Rb7 Kf6 30.Bd6 Ke6+-) 26...Rd1 27.Rd1 Kg7 (27...Rb8 28.Bc4 Kf7 29.Bb4+-) 28.Rd7 a6 (28...Kh6 29.h4 Bf4 30.Bf6+-) 29.Bc6 (29.Bg5 Kh8 30.Bc4 Bg7+-) 29...Rc8 30.Bb7 Rc1 31.Kg2 Rc2 (31...Rc7 32.Rc7 Bc7 33.Ba6+-) 32.Ba6 (32.f4 Rc7 33.Bf6 Kf8 34.Rd8 Kf7 35.fe5 Rb7+-) 32...h5 (32...Rc7 33.Rc7 Bc7 34.Bc4+-) 33.Bd6 (33.f4 Ba1+-) 33...Kf6 34.Be5 (better 34.Bd3!? Bd6 35.Bc2 Ba3+-) 34...Ke5 35.a4 g5 36.Bb5 g4 (36...h4 37.a5 Rc5 38.Rb7+-) 37.hg4 hg4 38.fg4 fg4 39.Rg7 Kf4 40.Rf7 Kg5 (40...Ke5+-) 41.Rg7 (41.a5 Rc5 42.Rb7 Rc3+-) 41...Kh4?? (41...Kf4 42.Bd7 Kf5+-) 42.Rg6 (42.a5!? g3 43.Rg3 Kh5+-) 42...e5 43.Re6 (43.Bd7!? Rd2 44.Rg4 Kh5+-) 43...g3 44.Rh6 Kg5 45.Rh8 (45.Rg6 Kg6 46.Bd3 Kf6 47.Bc2 Ke6 48.fg3 Kd6+-) 45...gf2 46.Re8 (46.Rf8 Rb2+-) 46...Kf4 47.Bd3 (47.Rf8!? Ke3 48.Rf3 Kd4 49.Rf2 Rc5+-) 47...Ra2 48.a5?? (better 48.Rf8 Ke3 49.Rf3 Kd4 50.Bb5+-) 48...Ra5= 49.Kf2 Ra2 50.Be2 e4 51.Rf8 Ke5 52.Ke3 Ra3 53.Kf2 e3 (better 53...Rh3!?=) 54.Kf3+- Kd4 55.Re8 Rb3 56.Rd8 Ke5 57.Rd3 (better 57.Bd3!?+-) 57...Rd3= 58.Bd3 Kd4 59.Bf5 Kc3 60.Ke2 Kd4 61.Bd3 Kc3 62.Be4 Kd4 63.Bd3 Kc3 64.Be4 Kd4 65.Bd3 ½–½. aravind555 – jdpz, lichess.org, 2018.

6.c4 Nf4 7.Qf3 Ne6 8.d4=.

6.c4 Nf4 7.g3 Ne6 8.d4 d6 9.f4 de5 10.fe5 f6 11.Nf3 fe5 12.d5 a6 13.Bg2 e4-+ 14.Bg7 ef3 15.Bf3? Ng7 16.0-0 Bh3 17.Rf2 ab5 18.cb5 Qd6 19.Qb3 Nd7 20.Nd2 Ra3 21.Qd1 Ne5 22.Nb3 Qb6 (22...Qb6 23.Qd4 Nf3 24.Rf3 Rf3 25.Qb6 cb6-+) 0–1. Baer,Cy (1895) – Buchmann,Hans_Peter (2250), RSX5E – Light–1, 2007.

6.c4 Nb6

7.a4 d5 8.a5? Nc4-+ 9.Bc4 dc4 10.Nf3 (10.Na3 c6-+) 10...Bg4 (10...a6 11.d3 cd3 12.ba6 Ra6 13.Ra3-+) 11.0-0 (11.Na3 c6 12.bc6 Nc6 13.Nc4 Nb4=+) 11...Qd3 (11...a6 12.ba6 Ra6-/+) 12.Nc3 (12.Ra3 Qd7-/+) 12...Bf3 (12...Nd7!? 13.a6 b6 14.Na4-+) 13.gf3 Be5 14.Qe2? (14.Re1 Nd7 15.a6-+) 14...Qe2 15.Ne2 Bb2 16.Rac1 Bf6 17.Rc4 c6 18.bc6 Nc6 19.Nf4 Ne5 20.Rb4 b6 21.ab6 ab6 22.Kg2 Ra3 23.Nd5 Nf3 24.Nf6 ef6 25.Rb6 Nd2 26.Rd1 Nc4 27.Rf6 Ra2 28.Rd7 Ne3 29.Kf3 Nf1 30.Kg2 Nd2 (31.Re7 Kg7-+) 0–1. abt – LOSPAUL, Caissa.com, 2004.

7.a4 d5 8.cd5 Nd5 9.Qf3=+.

7.a4 d6 8.a5 N6d7 9.d4 de5 10.de5 Ne5 11.Qd8 Rd8 12.Nd2 Nd3 13.Bd3 Bb2 14.Rb1? Bc3-+ 15.b6 cb6 16.Rd1 Rd3 17.Ngf3 Bg4 18.0-0 Nc6 19.Ne4 Rd1 20.Rd1 Bg7 21.Rd3 Bf3 22.Rf3 Na5 23.c5 bc5 24.Nc5 Rc8 25.Nd3 e5 26.Re3 Nc4 27.Re1 Rd8 28.Nb4 e4 29.g3 Nd2 30.Kg2 (30.Kg2 a5 31.Nc2-+; 30.Rc1 a5 31.Na2 b5-+). MasterofDisaster – Mizerak, Caissa's Web, 2004.

7.a4 d6 8.Nf3 Be6 (8...de5 9.Bc3-/+ (9.Be5?? Be5 10.Ne5 Qd4-+)) 9.Na3 (9.d3 de5 10.Ne5 Qd6+=) 9...N6d7 10.d4 c5 11.bc6 (11.Nc2 cd4 12.ed6 Qa5 13.Qd2 Qd2 14.Nd2 ed6 15.Bd4 Re8 16.Bg7 Kg7+=) 11...bc6 12.ed6 Bg4 (12...ed6 13.Bc1 Bf5+=) 13.Qd3 (better is 13.Be2!?=) 13...Nc5-/+ 14.Qc2 (14.Qd2 Ne4 15.Qc2 Bf3 16.gf3 Nd6-/+) 14...Bf5 (better is 14...Bf3 15.gf3 Ne6-/+) 15.Qd1?? (15.Qc1 Qb6 16.Nh4 (16.dc5? Qb4 17.Qd2 Qb2 18.Qb2 Bb2-+) 16...Nd3 17.Bd3 Bd3 18.Qd2+= (18.de7? fails to 18...Re8 19.Qc3 Re7 20.Kd2 Na6-+)) 15...Qa5 (better is 15...ed6 16.Nc2 Qa5 17.Nd2 Re8 18.Ne3 Nba6-+) 16.Qd2-/+ Qd2 17.Nd2 (better is 17.Kd2 Ne4 18.Ke2-/+) 17...Na4 18.de7 Re8 19.0-0-0 Nb2 20.Kb2 Bd4 21.Ka2 Na6 22.Nf3 (22.g4 Rab8 23.Nb5 Bg4-+ (23...cb5?! 24.gf5 bc4 25.Bc4 Nb4 26.Kb1-+)) 22...Bf2 23.Ne5 (23.Nd4 Be4 24.Rd2 Nb4 25.Kb3 Rab8-+) 23...Nb4 24.Kb3 Bc5 (better is 24...Re7 25.Nd3 Nd3 26.Bd3-+) 25.Nd3 Be7 26.Nb4 Rab8 27.Nb5 cb5 28.cb5 Be6 29.Ka4 Bb4 30.Kb4-/+ Rec8 31.Ra1 Rc7 32.Bd3 Bd7 33.Ra5 Rcb7 34.Kc5 Rc8 35.Kb4 Bc6 36.Rc1 Rd8 37.Rc6 Rd3 38.Ra2 Rd4 39.Kc5 Rh4 40.g3 Rh5 41.Kd4 Rhb5 42.Rca6 Rd7 43.Ke4 Rb4 44.Ke3 Re7 45.Kf2 Rbb7 46.Kg2 Kf8 47.Kf3 Ke8 48.Kg2 Kd8 49.Kf2 Kc8 50.Kg2 Kb8 51.Kf2 Rb6 52.R6a4 Reb7 53.Rf4 Rb2 (53...Rb2 54.Rb2 Rb2 55.Ke3 Rh2 56.Rf7 a5-/+) 0–1. Reichel,Rolf – Ruecker,Benjamin, Karl Mala Memorial op, 2001.

7.Nf3 c6 8.a4 cb5 9.ab5 a6 10.c5+= Nd5 11.Bc4 (better 11.Nc3 Nc3 12.dc3=) 11...e6? (11...Nf4!? 12.0-0 d5 13.cd6 ed6+=) 12.Nc3 (better 12.Bd5 ed5 13.Qb3+-) 12...ab5?? (better 12...Nc3 13.Bc3 b6 14.cb6 Qb6+/-) 13.Ra8+- Nc6 (13...bc4 14.Rb8 Qc7 15.Nd5 Qb8 16.Ne7 Kh8+-) 14.Nd5 (14.Bd5 ed5 15.Nd5 Ne7+-) 14...ed5 15.Bd5 Qe7 (15...Qc7 16.Qe2 Ne7 17.Bb3+-) 16.d4 Nb4 (16...Kh8 17.0-0 b4 18.Qb3+-) 17.Bb3 b6 (17...Qd8 18.0-0+-) 18.0-0 (18.cb6 Bb7 19.Ra7 Rb8+-) 18...Bb7 (18...bc5 19.dc5 Bb7 20.Ra7+-) 19.Rf8 Bf8 (19...Qf8 20.cb6 Nd5 21.Ng5 Nb6 22.Bf7 Kh8 23.Qd3+-) 20.cb6 Nd5 21.Bd5 Bd5 22.Ne1 (22.Qc2 d6+-) 22...Qb4 (22...Qe6 23.Nc2 Qb6 24.Ne3+-) 23.Nd3 Qc4 (23...Qa5 24.Nc5 Qb6 25.Nd7+-) 24.Nc5! Qb3 (24...Bc5 25.dc5 Combination) 25.Nb3 1-0. Lance5500 (2750) - mistenkt (1680), lichess.org, 2017.

7.c5 Nd5

5.b5 a6

6.c4 Nf4 7.g3 Nd3?? 8.Bd3+- ab5 9.cb5 e6 (9...d6 10.f4+-) 10.Nf3 (10.f4 0-0+-) 10...0-0 11.0-0 c6 (11...f6 12.Be4+-) 12.Nc3 (12.Ba3 d6 13.Be2 c5+-) 12...cb5 (12...f6 13.bc6 bc6 14.Qe1+-) 13.Nb5 Ra5 (13...Nc6 14.Qb3+-) 14.Bc3 Ra8 15.Rb1 (15.Bb4 Nc6 16.Bf8 Qf8+-) 15...Ra2 (15...Nc6 16.Bc4+-) 16.Nd6 (16.Bb4 Nc6 17.Bf8 Bf8+-) 16...b6 (16...f6 17.Bb4+-) 17.Nc8 (17.Qb3 Ba6 18.Bb5 Bb5 19.Nb5 Ra6+-) 17...Qc8 18.Rb6 Nc6 (18...f6 19.Qb3 Ra8 20.ef6 Bf6 21.Be4+-) 19.Qb3 Ra8 (19...Ra7 20.Be4+-) 20.Be4 Qc7 21.Rc1 (21.Rb1 Rfb8+-) 21...Rfc8 22.Nd4 (better 22.d3+-) 22...Be5?? (better 22...Nd4 23.Bd4 Qc1 24.Kg2 d5 25.ed6 Bd4-+) 23.Nc6+- Bc3 (23...dc6 24.Rc6 Qc6 25.Bc6 Rc6 26.Qb5 Rc3 27.dc3+-) 24.Ne7 Kg7 25.Rc3 (25.Rc3 Qe5 26.Rc8 Qe4 27.Qc3 f6 28.Ra8 Qa8 29.Rd6+-) 1–0. aravind555 (1645) – vitezkoja (1665), lichess.org, 2018.

5.b5 c6

6.c4 Nb6 7.a4 cb5 8.ab5 Qc7=.

6.c4 Nb6 7.a4 cb5 8.ab5 d6 9.Nf3 de5 10.Be5 Be5 11.Ne5 Qd4 12.Nc3 Qe5 13.Be2 Nc4 14.0-0 Nd6 15.Re1 Qc5 16.Rb1 Be6 17.Bf3 Nd7 18.Ne4 Ne4 19.Be4 Bd5 20.Qf3 Be4 21.Qe4 0-0 22.Qb7 Qd6 23.Re2 e6 24.Rb3 Nc5 25.Qf3 Nb3 26.Qb3 Rac8 27.g3 Rc1 28.Kg2 Qd5 29.Qd5 ed5 0–1. avinoam – maras1667, kurnik, 2012.

6.c4 Nb6 7.a4 Nc4?? 8.Bc4+- (8...d5 9.Be2+-) 1–0. wood – SACR, Live Game Caissa's Web, 2005.

6.c4 Nb6 7.c5 Nd5=.

6.c4 Nc7 7.a4 d5 8.cd5 Nd5 9.Nf3 0-0 10.Bc4 b6 11.0-0 Bb7 12.d4 Nf4 13.Nbd2 Nd7 14.Re1 Rc8 15.Qb3 e6 16.Ne4 Rc7 17.Ba3 c5 18.dc5 Nc5 19.Bc5 bc5 20.Nd6 Ba8 21.Rad1 Rd7 22.Qe3 Nd5 23.Qc5 Qa5 24.Nd4 Rc7 25.Qa3 Nb6 26.Ne6 Nc4 27.Nc4 Rc4 28.Nf8 Bf8 29.Qe3 Re4 30.Qc1 Qa4 31.Qc8 Bd5 32.h3 Re1 33.Re1 Qb5 34.Rd1 Be6 35.Qe8?? Qe8 0–1. "Morozevich" – seinfeld, ICC blitz, 2000.

6.c4 Nf4 7.Qf3 g5 8.Ne2=.

5.b5 d6

6.c4 Nf4 7.g3 Ne6 8.d4 de5 9.de5 Qd1 10.Kd1 0-0 11.f4 Nc5 (11...a6 12.Nf3+=) 12.Nc3= Rd8 13.Ke2 Bf5 (13...Be6!? 14.Nd5 Bd5 15.cd5 Na4+= (worse is 15...Rd5 16.Bg2 Rd8 17.Rc1+/-)) 14.Nd5+= Be4 15.Nf3 (15.Nc7 Bh1 16.Na8 Rc8+=) 15...Nbd7 (better is 15...Bd5!? 16.cd5 Na4=) 16.Ne7+/- Kf8 17.Nd5 c6 18.Nc3 Bd3 19.Kf2 Nb6?? (better is 19...Kg8 20.Ba3 Bf8+/-) 20.Ba3+- 1–0. marekt – craig4000, ChessWorld.net, 2015.

6.Bc4 Nb6 7.Qe2 Nc4 8.Qc4 Be6 9.Qe4 c6 10.Nc3 de5 11.Nf3 f5 12.Qa4 (12.Qb4 a5 13.Qa4 e4-/+) 12...a6 13.Ng5 (13.Qa3 cb5 14.Nb5 Nc6-+) 13...Bg8-+ (13...cb5 14.Nb5 ab5 15.Qa8+=) 14.bc6 Nc6 15.0-0 (better is 15.Ne2-+) 15...b5 16.Qh4 Qd2 17.Rac1 (17.Rad1 Qc2 18.Ba1 Nd4-+ (18...Ba2?! 19.Rc1 Qb3 20.Na2-+)) 17...Bf6 18.f4 (18.Nge4 fe4 19.Qe4 Rc8-+) 18...ef4 19.Rf2 (19.Nb5 ab5 20.Bf6 Bd5-+ (< 20...ef6 21.Rce1 Ne7 22.Ne6-+)) 19...Qe3 (19...Bc3?! 20.Rd2 Bb2 21.Rcd1=) 20.Kh1 (20.Rd1 h6 21.Nd5 Bd5 (21...hg5 22.Nf6 ef6 23.Qh8+-) 22.Bf6 ef6-+) 20...h6 21.Rf3 hg5 22.Qh8 Qc1! 23.Bc1 Bh8 24.Bb2 0-0-0 25.Rf1 (25.Rd3 Ba2! 26.Rd8 Kd8 27.Na2 Bb2-+) 25...Ba2! 26.h3 (26.Na2 a5) 26...Bc4 27.Rb1 Bf6 28.Ra1 Rd2 29.Ra6 Kb7 (30.Ra1 Rc2-+) 0–1. pinecrest1981 – Gorpo, Caissa.com, 2004.

6.Bc4 de5?! 7.Nf3=+.

6.Bc4 Be5 7.d4 Nb6 8.Bf7 Kf7 9.de5+/-.

6.d4 0-0 7.Nf3 c6 8.c4 Nb6 9.Nc3 de5 10.Ne5 Be6 11.Be2 (11.c5!? N6d7 12.f4=) 11...Be5-/+ 12.de5 Bc4 13.Qc1 (13.a4 cb5 14.ab5 a5=+) 13...Be2 14.Ne2 Qd5 15.h4 (15.0-0!?-/+) 15...Nc4 (15...Qb5 16.h5 Nc4 17.Bc3=+) 16.Bc3 Ne5 17.Qh6 Nd3 (17...Qg2 18.0-0-0 f6 19.Be5 fe5 20.h5+/-) 18.Kf1 f6 19.Rd1 Qf5 (worse 19...cb5 20.Nc1+=) 20.Qe3 Ne5 21.Ng3 (21.h5 g5-/+) 21...Qg4 22.Re1 Nbd7 23.bc6 bc6 24.h5 Nb6 (better 24...g5-+) 25.f4?? (better 25.Be5 fe5 26.hg6 Qg6 27.Rh6=) 25…Nd5-+ (25...Nd5 26.Qf2 Nc3 27.hg6 hg6-+) 0-1. FeegLood (2860) - SHREKDAVID (2740), Blitz Titled Arena May '22, lichess.org, 2022.

6.Nf3=.

6.c4 Nb6

7.d4 Nc4?? 8.Bc4+- de5 9.de5 Bd7 (9...Qd1 10.Kd1 a6 11.Na3+-) 10.Nf3 (10.Qf3 Be6 11.Be6 fe6+-) 10...0-0 11.0-0 (11.Qb3 c6+-) 11...a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 h6 (14...c6 15.Na3+-) 15.Nc3 (15.Qd4 c6 16.b6 Qc8+-) 15...c6 (15...Bg4 16.Qe2 e6 17.Rd1+-) 16.Qc2 Bf5 17.Qb3 (17.Qe2 Qc8+-) 17...Nd7 (17...Bg4 18.Rd1 Qa5 19.e6 Bf3 20.ef7 Kh7 21.gf3 cb5 22.Bb5+-) 18.Rd1 Qc7 19.bc6 bc6 20.Nd4 (better 20.Bf7 Rf7 21.e6 Be6 22.Qe6 Nf8+-) 20...Qe5? (20...Ne5 21.Nf5 gf5 22.Ne2+-) 21.Nf5 (better 21.Nc6 Qc5 22.Nd5+-) 21...Qf5 22.Ne2 (22.Qa4 Ne5+-) 22...Nc5 (22...Ba1 23.Ng3 Qf4 24.Rd7+-) 23.Qa2 (23.Qe3 Qc2 24.Rc1 Rd8+-) 23...Ne4 (23...Ba1 24.Qa1 Ne4 25.Qd4+-) 24.Rf1 (24.Nd4!? Bd4 25.Bd4+-) 24...Ba1+- 25.Qa1 Nd2 26.Rc1?? (26.Ng3 Qc5 27.Rc1 Nc4 28.Qa2+-) 26...Qe4?? (better 26...Nc4 27.Rc4 Qd3 28.Rc6 Qe2-/+) 27.Ng3+- Qf4 28.Be2?? (28.Ba2 Ne4 29.Ne4 Qe4+-) 28...Rd8 (better 28...Nb3 29.Rc4 Qc4-+ (29...Na1 30.Rf4 Rc8 31.h4+-)) 29.Rc6+- Nb3 30.Qb1 (30.Qa2 Nc1 31.Qc2 Ne2 32.Qe2 e6+-) 30...Nd4 31.Rg6?? (better 31.Rc3+-) 31...fg6-/+ 32.Qg6 Kf8 The mate threat is Nxe2 33.Bc4?? (better 33.Bd3-/+) 33...Qc1-+ 34.Nf1 Do you see the mate threat? 34...Qc4 35.Qh6 Ke8 36.Qg6 (36.Qh5 Kd7 37.h3 Ne2 38.Kh1 Rf8-+) 36...Kd7 37.Qg4 e6 38.Qg7 (38.Qd1 Ke7 39.Qe1 Ne2 40.Kh1 Qd3 41.Qb4 Kf7 42.Qb7 Kf6 43.Qf3 Qf3 44.gf3 Rd1-+) 38...Kd6 (better 38...Kc8 39.g3 Ne2 40.Kg2 Qd5 41.f3-+) 39.Qg3 (39.Qf6 Ra8 40.g3 Qd5-+) 39...e5 (better 39...Kc6 40.Qh3 Ne2 41.Kh1 Rd1 42.Qf3 Kc7-+) 40.Qg6 Kc7 41.h3 (41.Qg7 Kc8 42.h3 Nf3 43.gf3 Rg8 44.Qg4 Rg4 45.hg4 Kd7-+) 41...Ne2 (41...Nf3 42.gf3 Rg8 43.Qg4-+) 42.Kh2 Qf4 43.Ng3 Rd6 (43...Rd6 44.Qc2 Kd8 45.Qe2 Rd2-/+; better 43...Rd2-+) 0–1. aravind555 – diegosantana93 (1615), lichess.org, 2018.

7.d4 de5 8.c5 N6d7 9.Bc4 ed4 (9...0-0 10.Na3-/+) 10.Bd4 Black creates threats along the open d–file 10...0-0 Black gets the initiative 11.Bg7 Kg7 12.Nf3 (12.Qd4 e5 13.Qe3 Qe7-/+) 12...Nc5 13.Qd4 (13.Qe2!? Nbd7 14.0-0-/+) 13...Qd4-+ 14.Nd4 Rd8 15.Nf3 (15.Nb3 Ne4-+) 15...c6 (15...a6 16.Nc3-+) 16.0-0 (16.Nc3 cb5 17.Bb5 Nc6-+) 16...cb5 17.Bb5 Nc6 (17...a6 18.Be2-+) 18.Bc6 (18.Rc1 Bf5-+) 18...bc6 19.Nc3 (19.Re1 Bg4 20.Nfd2 Bf5-+) 19...Be6 (19...Nd3 20.h3-+) 20.a3 Nb3 (20...Nd3 21.Rfb1-+) 21.Rae1 (21.Rad1 c5-+) 21...Nd2 (21...Bc4 22.Re7 Bf1 23.Kf1 Nd2 24.Nd2 Rd2 25.Ne4-+) 22.Nd2 Rd2 23.Na4 (23.Rd1 Rad8-+) 23...Bc4 24.Rd1 Rad8 25.Rd2 Rd2 26.Rc1 (26.Ra1 e5-+) 26...Bd5 (26...Ra2!? 27.h3 Bb5 28.Nc5 Ra3 29.h4-+) 27.Nc3 e6 28.a4 a5 (28...a5 29.h3 Rd4-+) 0–1. aravind555 – slavskiysn, lichess.org, 2018.

7.d4 de5 8.de5 Qd1 9.Kd1 0-0 10.Nd2 Bf5 (10...Na4 11.Ba3 Be5 12.Rc1-+) 11.Be2? (11.a4 Rd8=+) 11...N8d7 (better 11...Na4 12.Bd4 c5-+) 12.Ngf3 (12.f4 Rad8=+) 12...Rad8 (12...Nc5=+) 13.c5 (13.a4 Nc5=+) 13...Nd5 (better 13...Nc5 14.Ke1 Rd5-/+) 14.Rb1?? (14.Bd4!?=+) 14...Nf4 (better 14...Bb1 15.Nb1 Nc5-+) 15.Rc1-/+ Ng2 (15...Bd3 16.Bf1 Bf1 17.Rf1-/+) 16.Rg1 (16.c6 bc6 17.Rc6 Rc8=+) 16...Nf4=+ 17.Nd4? (17.c6 bc6 (17...Ne2?! 18.Ke2 bc6 19.Rc6=) 18.Rc6 Bd3-/+) 17...Nh3?? (better 17...Bd3 18.Bf3 Be5-+) 18.Nf5 (18.Rg3!? Nf2 19.Ke1 Be5 20.Kf2 Bg3 21.hg3=) 18...Ng1-/+ 19.Ng7 Ne2 20.Ke2 e6 (20...Kg7 21.c6 bc6 22.Rc6-/+) 21.Nh5 (21.c6 bc6 22.Rc6 Kg7 23.Rc7 Nb6 24.Ra7 Rd5-/+) 21...gh5=+ 22.Rg1 (22.Ne4!?=+) 22...Kh8-/+ Black fights for the Initiative 23.Ne4 Rg8 24.Rd1 Nb8 (24...b6 25.Ng5 Rg5 26.c6=+) 25.Rd8 (25.Nd6 Rd7 (25...cd6?! 26.ed6 e5 27.Be5 Rg7 28.Bf6 Re8 29.Kf1+=) 26.Nb7 Rd1 27.Kd1 a6-/+) 25...Rd8 26.Nf6 (26.a4 h4-/+) 26...Nd7 27.Nh5? (better 27.Ne4-/+) 27...Nc5-+ 28.Ke3 (28.Nf4 Na4 29.Ba1 a6 30.ba6 ba6-+) 28...Rd3 29.Kf4 (29.Ke2 Rh3 30.Nf4 Rh2-+) 29...Rh3 (better 29...Rd2 30.Ba3 Rf2 31.Ke3-+) 30.Nf6 (30.Kg4 Rh2 31.Bd4 Nd7-+) 30...Rh2 (better 30...Nd3 31.Kg4 Nf2 32.Kf4 Nd3 33.Kg4 Rh2 34.Bd4-+) 31.Ng4 (31.Ke3 a6 32.Ne8 ab5 33.Nc7 b4-+) 31...Rh1 (31...Nd3 32.Kg3 Rh1 33.Bd4-+) 32.Kg5 (32.Bd4 Nd7 33.f3 Rb1 34.Ba7 Rb5-+) 32...Rg1 (32...Rb1 33.Bd4 Nd3 34.Ba7 Rb5 35.Kf6-+) 33.f3 Rg2 34.Bd4 b6 (34...Nd7!? 35.a3-+) 35.Kf6 Kg8 (better 35...h5 36.Ne3 Rg7-+) 36.Nh6 (36.Ke7 Kg7 37.Nf2-+) 36...Kf8 37.Ng4 h5 (37...Ne4! 38.fe4 Rg4 39.Bc5 bc5 40.b6 Rg6) 38.Ne3 (38.Kg5 hg4 39.fg4 Ra2 40.Kf4-+) 38…Rg6 0–1. aravind555 (1615) – sport (1785), lichess.org, 2018.

7.d4 de5 8.de5 Qd1 9.Kd1 Be6 10.Nd2 N8d7 11.f4 0-0 12.Be2 Rfd8 13.Ngf3 Nc5 14.Kc2 Bf5 15.Kc1 Bd3 16.Bd3 Nd3 17.Kc2 c6 18.bc6 bc6 19.Ba3 c5 20.Raf1 Nf4 21.Bc5 Ne6 22.Be7 Rd7 23.Bb4 Rc8 24.Kb3 Nd4 25.Nd4 Rd4 26.Bc3 Rd3 27.Kc2 Rcd8 28.c5 Na4 29.Ba5 R8d5 30.c6 Be5 31.c7 Bc7 32.Bc7 Rd2 33.Kc1 Rg2 34.Bg3 Rc5 35.Kb1 Nc3 36.Kc1 Na2 37.Kd1 Rc1 0–1. Adjailton (1870) – peladochess20 (1905), lichess.org, 2020.

7.d4 de5 8.de5 Qd1 9.Kd1 Bf5 10.Nd2 N8d7 11.Ngf3 0-0 12.Rc1 Na4 13.Ba1 Nac5 14.Be2 Bd3 15.Re1 Be2 16.Re2 Nd3 17.Rc3 N3e5 18.Ne5 Be5 19.Rc1 Ba1 20.Ra1 Rfe8 21.Ke1 e5 22.Kf1 Nb6 23.c5 Na4 24.Rc1 Nb2 25.Rc2 Nd3 26.Re3 Nf4 27.g3 Nd5 28.Rd3 Nb4 29.Rdc3 Nc2 30.Rc2 Rad8 31.Ne4 Rd4 32.Nf6 Kf8 33.Ne8 Ke8 34.c6 b6 35.Rb2 f5 36.Kg2 Ra4 37.h4 h6 38.Kh3 g5 39.hg5 hg5 40.f3 Ra3 41.Kg2 Ke7 42.g4 Kf6 43.Kg3 e4 44.gf5 Kf5 45.Rf2 ef3 46.Rf3 Rf3 47.Kf3 g4 48.Kg3 Kg5 49.a3 Kf5 50.a4 Kg5 51.Kf2 Kf4 52.Kg2 g3 53.Kg1 Kf3 54.Kf1 g2 55.Kg1 Kg3 56.a5 ba5 57.b6 a4 58.bc7 a3 59.c8Q a2 60.Qa6 a1R 61.Qa1 1–0. Adjailton (1730) – Oguzhancelikk (1680), lichess.org, 2019.

5.b5 e6

6.c4 Ne7

4.e5 Ne4

5.d3 Ng5 6.Nf3 (6.d4 d6 7.Nf3 Nf3 8.Qf3 0-0=) 6...Nf3+= 7.Qf3 0-0 (7...Nc6 8.d4 Nb4 9.Qb3+=) 8.d4= e6 9.c4 d6 10.Be2 (10.a3 de5 11.de5 Nc6=) 10...de5+= 11.de5 Nc6 12.b5 (12.Qe4!? Nb4 13.a3+=) 12...Ne5-/+ 13.Qe4?? (13.Qb3 Qf6 14.Nd2 a6 15.ba6 Ra6-/+) 13...Nd7 (better is 13...Nd3! 14.Qd3 Bb2-+) 14.Bg7+= Kg7 15.0-0 Qf6 16.Nd2 Nc5 (16...a6 17.Rfd1+=) 17.Qf3 (17.Qe3 Rd8=) 17...Bd7 (17...Qf3 18.Bf3 (18.gf3? e5-+) 18...e5 19.Rfe1-/+) 18.Ne4 (18.Qe3 b6=) 18...Ne4 19.Qe4 c6 20.Rad1 Rad8 21.Qc2 (21.Qe3 b6=) 21...cb5 (21...e5 22.Qc3+=) 22.cb5 Bc8 23.a4 b6 (23...e5 24.Qc7+=) 24.Bf3 (24.Qc7 e5=) 24...Rd1+= 25.Rd1 Rd8 26.Rd8 Qd8 27.h3 (27.Qc3 Qf6 28.Qc1 Qd4+=) 27...e5 28.Qc3 Be6 (28...f6!?+=) 29.Qe5= Qf6 ½–½. Zaichenko,Andrey – Hess,Volker, FICGS, 2008.

4.e5 Ng4

5.Qg4 d6 6.Qe2 de5 (6...Nc6 7.d4 de5 8.de5 Nb4 9.Qb5 Nc6 10.Na3+-) 7.Be5 0-0 8.Bg7 Kg7 9.Nf3 c6 (9...Bg4 10.Qe3+-) 10.Qe5 Kg8 11.Ng5 (11.Be2 Bg4+-) 11...Bf5 12.Bc4 e6 13.Nf3 (13.Ne4!? Nd7 14.Qd4 e5+-) 13...Bc2 14.0-0 Nd7 15.Qe3 b5 (15...a5 16.Rc1 Bb1 17.Rab1 ab4 18.Rb4+-) 16.Bb3 (16.Be2 Qf6 17.d4 a5 18.ba5 Bb1+-) 16...Bb3 17.ab3 Nb6 18.Nc3 Qe7 (18...Qd6 19.Qc5 Rfd8 20.Ne5 Qd2 21.Nc6+- (21.Qc6?! Rdc8 22.Qf3 Qc3 23.Qf7 Kh8 24.Qf6 Kg8+/-)) 19.Qe4 (19.Ne5 Rac8+-) 19...Nd5 20.Nd5 (20.Nd4 Qd7+-) 20...cd5 21.Qd4 Rfc8 22.Rfc1 Rc1 23.Rc1 a5 (23...Qd6 24.Ne5 h5 25.Qf4+-) 24.ba5 Ra5 (24...Qa3 25.Ra1 Qb3+-) 25.Rc8 (25...Qf8 26.Rf8 Kf8 27.Qb4 Kg7 28.Qa5+-) 1–0. var – yaman, Caissa.com, 2004.

5.Qg4 d6 6.Qf4 0-0+-.

4.e5 Ng8

5.d4 d6 6.Nf3 de5 7.de5 Qd1 8.Kd1 Nc6 9.b5 Nd8 10.c4 Bg4 11.Be2 Bf3 12.Bf3 c6 13.bc6 bc6 14.Nd2 Rb8 15.Bd4 Bh6 16.Ba7 Rb7 17.Be3 Be3 18.fe3 Nh6 19.Ke2 Ne6 20.Rhc1 Rc7 21.a4 c5 22.a5 0-0 23.a6 Ra7 24.Ne4 Rc8 25.Rcb1 Nf5 26.Rb7 Rb7 27.ab7 Rb8 28.Ra8 1–0. Adjailton (1815) – THE_HAWK (1770), lichess.org, 2019.

5.d4 d6 6.Nf3 e6 7.Be2 Ne7 8.0-0 0-0 9.c4 de5 10.de5 Nbc6 11.Qd8 Rd8 12.b5 Nb8 13.Nc3 Nd7 14.Ne4 b6 15.Nf6 Nf6 16.ef6 Bf8 17.fe7 Be7 18.Ne5 Bb7 19.Bf3 Bf3 20.Nf3 Bc5 21.Be5 Rd7 22.a4 Rad8 23.Bf6 Be7 24.Be7 Re7 25.Ne5 Rd2 26.Nc6 Red7 27.Na7 1–0. Adjailton (1860) – Yesterday_2 (1755), lichess.org, 2019.

5.d4 d6 6.f4 Nc6 7.b5 Na5 8.Nf3 b6 9.Be2 Bb7 10.0-0 de5 11.de5 Qd1 12.Rd1 Nh6 13.a4 0-0 14.c4 Nf5 15.Rd7 Ne3 16.Rc7 Rac8 17.Rc8 Rc8 18.Na3 e6 19.Bc3 Nac4 20.Nc4 Nc4 21.Bc4 Rc4 22.Rc1 f5 23.Nd2 Rf4 24.a5 ba5 25.Ba5 Be5 26.Rc7 Bc7 27.Bc7 Rb4 28.Nf3 Kf7 29.Ne5 Ke7 30.Nc6 Bc6 31.bc6 Rc4 32.Bb8 Rc6 33.Ba7 e5 34.Be3 f4 35.Bf2 h5 36.Kf1 g5 37.Ke2 g4 38.h3 e4 39.Bd4 Rc2 40.Kf1 Ke6 41.hg4 hg4 42.Kg1 Kd5 43.Ba7 g3 44.Kf1 Kc4 45.Bb8 Kd3 46.Bf4 Rf2 47.Kg1 Rf4 0–1. Adjailton (1870) – avner548 (1845), lichess.org, 2021.

5.d4 e6 6.f4 Ne7 7.Nf3 Nd5 8.a3 Nf4 9.Qd2 Nd5 10.c4 Ne7 11.Bd3 0-0 12.Nc3 b6 13.g4 Bb7 14.Rf1 Nec6 15.Ne4 Ne7 16.0-0-0 Be4 17.Be4 c6 18.h4 Qc7 19.h5 Na6 20.hg6 fg6 21.Ng5 h6 22.Nh3 g5 23.Rh1 Rf7 24.Ng5 hg5 25.Bh7 Kf8 26.Rdf1 d5 27.Rf7 Kf7 28.Qg5 Rh8 29.Rf1 Ke8 30.Qg7 Rh7 31.Qh7 Nc8 32.Qh8 Ke7 33.Qg7 Kd8 34.Qg8 Kd7 35.Rf7 Ne7 36.Qf8 Qd8 37.Qd8 Kd8 38.g5 Ke8 39.Rh7 dc4 40.Bc3 b5 41.Bd2 Nc7 42.Bf4 Ncd5 43.Rh8 Kf7 44.Ra8 Nf4 45.Ra7 Nfd5 46.Ra6 Kg6 47.Ra7 Kg5 48.a4 ba4 49.Ra5 Nb4 50.Ra4 Nbd5 51.Ra7 Kf4 52.Kd2 Ke4 0–1. Adjailton (1845) – syam75 (1895), lichess.org, 2019.

5.Qf3 f6 6.Bc4 Nc6 (6...e6 7.ef6 Nf6 8.Qb3=) 7.ef6 (7.b5 Na5 (7...Ne5? 8.Be5 d5 9.Bd5+-) 8.Bg8 Rg8+=) 7...Nf6= 8.Ne2 (8.Qb3 e5=) 8...d6 (8...Nb4 9.Qc3 Nc6 10.0-0-/+) 9.0-0 (9.Qb3 e5=) 9...Bg4 (9...Nb4 10.Qb3 Nc6 11.Bf7 Kf8 12.Nf4=+) 10.Qb3 d5 11.Bf6?? (better 11.Bb5=) 11...Bf6-+ (11...ef6 12.Bd5 Ne5 13.Re1+-; 11...dc4?! 12.Qc4 Bf6 13.Nbc3-+) 12.Bd5 (12.Nbc3 dc4 13.Qc4 Be2 (13...Qd2?! 14.Qg4 Bc3 15.Rfd1 Qc2 16.Rac1=+) 14.Qe2 Qd7-+) 12...Ba1 13.Bf7 (13.Bc6 bc6 14.f3 Bd4 15.Kh1 Bf5-+) 13...Kf8 14.Nf4 (14.Bc4 Be2 15.Be2 Qd6-+) 14...Be5 (better 14...Qd6!? 15.Nd3 Be2 16.Re1 Bd3 17.cd3-+) 15.Ne6 (15.Ne6 Be6 16.Be6-+) 1–0. aravind555 (1875) – siksum (1850), lichess.org, 2020.

5.f4 d6

6.Nf3 de5 7.fe5 Nc6 8.b5!? Nb4 9.Bc4+=.

5.f4 e6

4.e5 Nh5

5.d4 0-0 6.Bc4 d6 7.g4 Nf4 8.Qf3 Ne6 9.d5 Ng5 10.Qe3 e6 11.f4 ed5 12.Bd5 Ne6 13.f5 Qh4 14.Kd1 Qg4 15.Bf3 Qf5 16.Nd2 Be5 17.Be5 Qe5 18.Rc1 Qe3 0–1. Adjailton (1790) – Maks17 (1780), lichess.org, 2019.

5.d4 0-0 6.Be2 Nf4 7.Bf3 d6 8.g3 Ne6 9.d5 Ng5 10.h4 Nf3 11.Nf3 Bg4 12.Qd3 de5 13.Ne5 Bf5 14.Qb3 Be4 15.0-0 Bd5 16.c4 Be6 17.Nc3 Nd7 18.Nd7 Qd7 19.Nb5 Qc6 20.Bg7 Kg7 21.Nd4 Bc4 22.Qc3 Qd5 23.Ne6 Kg8 24.Qg7 1–0. Adjailton (1765) – davorda (1770), lichess.org, 2020.

5.d4 e6 6.g4 Nf4 7.Qf3 Nd5 8.a3 0-0 9.c4 Nb6 10.Bd3 d6 11.ed6 cd6 12.Ne2 Na4 13.Bc1 e5 14.de5 Be5 15.Ra2 Nc6 16.0-0 Nd4 17.Nd4 Bd4 18.Be3 Be5 19.Nd2 Qh4 20.h3 Nc3 21.Rc2 Bd7 22.Ne4 Bc6 23.Rc3 Bc3 24.Bg5 Be4 25.Qe4 Qg5 26.Qb7 Be5 27.Qe4 Qf4 28.Qg2 Rfe8 29.Be4 Rac8 30.Bd5 Kg7 31.Re1 Bd4 32.Re8 Re8 33.b5 Re1 34.Qf1 Qf2 0–1. Adjailton (1805) – napiher (1720), lichess.org, 2019.

5.Be2 0-0 6.Bh5 gh5 7.Qh5 Nc6 8.b5+- Nb4 9.Na3 d5 (better 9...d6+-) 10.0-0-0 (better 10.Nf3+-) 10...Na2=+ 11.Kb1 Nb4 12.Ne2 (12.d3 d4 13.Nf3 Qd5 14.Nd4 a6= (14...Qg2?? 15.Rhg1 Qg6 16.Rg6 fg6 17.Qg5+-; 14...Qe5 15.Qe5 Be5 16.Rhe1+=; 14...Be5 15.Qg5 Kh8 16.Qe7 Qa2 17.Kc1 Bf4 18.Rd2 Nd3 19.cd3 Bd2 20.Kc2+-)) 12...a5 (12...a6 13.e6 Bb2 14.Kb2=+) 13.Qg5 (better 13.d3+=) 13...e6?? (better 13...Kh8=) 14.Nf4?? (better 14.Qd8 Rd8 15.d4+-) 14...Qg5-+ 15.Nd3 0–1. aravind555 (1620) – sjosema25 (1620), lichess.org, 2018.

5.Be2 0-0 6.Bh5 gh5 7.Qh5 e6 8.Nf3 Nc6 9.b5 Nb4 10.Na3 c6 (better 10...Nd5+-) 11.c3?? (better 11.Qg4 Qe7 12.0-0+-) 11...Nd3-+ 12.Ke2?? (12.Kd1 Nb2 13.Kc2 Na4-+) 12...Nb2 (better 12...Nf4 13.Kd1 Nh5-+) 13.Rab1 (13.Rhb1 Qa5 14.Rb2 Qa3-+) 13...Na4 (13...Qa5 14.Rb2 Qa3 15.Rhb1-+) 14.Nc4 (14.Qg4 Nb6-+) 14...cb5 15.Rb5 a6 16.Rb4 b5 17.Nd6 Qb6?? (better 17...f6-/+) 18.Rh4 (18.Rg4 f5 19.ef6 Nc3 20.dc3 Rf6 21.Qe8 Rf8 22.Qe7 Qf2 23.Kf2 Rf3 24.gf3 Bb7 25.Qg7) 18...h6 19.Ng5 f6 (19...hg5 20.Qh7 The nicest combinations are those leading to mate) 20.ef6 (20.Ngf7 Qd6 21.Nd6+- (21.ed6?! Rf7 22.Rb1 f5+-)) 20...Rf6-/+ (20...Qd6 21.f7 Kh8 22.Qg6 Qe5 23.Kd1 Qg5 24.Qg5 Rf7 25.Rh6 Bh6 26.Qh6 Kg8 27.Qg6 Rg7 28.Qe8 Kh7 29.Qh5 Kg8 30.Qf3=) 21.Ngf7?? (21.Nge4 Rf2 22.Nf2 Qd6 23.Ng4=+) 21...Qf2-+ 22.Kd1 Nb2 (better 22...Qg2 23.Re1 Bb7 24.Nb7 Rf7 25.Rhe4-+) 23.Kc2 Nc4 (23...Bb7! 24.Nb7 Rf7 25.Nd6-+) 24.Nc4 (24.Nc4 bc4 25.Nd6 Qg2 26.Rb1-+; 24.Ne4 Qf5 25.Qf5 Rf5 26.Nh6 Bh6 27.Rh6-+) 1–0. aravind555 (1680) – SirDarriusLaFont, lichess.org, 2020.

5.Qf3 0-0?? 6.Be2 b6?? 7.Qa8+- Nc6 8.b5 Ne5 (8...Nb4 9.Bd1 d5 10.Qa7+-) 9.Nc3 (better 9.d4 c6 10.Qa7 Nf4 11.de5 Ng2 12.Kf1 Nf4+-) 9...Nf4 10.Nf3 (10.Bf1!? c6 11.Qa7 cb5 12.Nb5 Ned3 13.cd3 Bb2+-) 10...c6 (10...Ng2 11.Kd1 Nf4 12.Ne5 Be5 13.Rb1+-) 11.Ne5 (11.Qa7 Ng2 12.Kd1 Nf4+-) 11...Be5 12.bc6 (12.Qa7 Ng2 13.Kd1 Nf4+-) 12...Ng2? (12...Ne2 13.Qa7 Nf4+-) 13.Kf1 (13.Kd1!? Nf4 14.Bf3 dc6 15.Qc6 Bd4+-) 13...Nf4 14.cd7 Qd7 15.Qe4 f6 (15...Qd6+-) 16.Rd1?? (better 16.Qc4 e6 17.Qa4+-) 16...Bb7= 17.Qc4 Kg7 (better 17...Bd5!? 18.Nd5 Qh3 19.Ke1 Ng2 20.Kf1 Ne3 21.Ke1 Ng2 22.Kf1 Nf4 23.Ke1 Ng2=) 18.Rg1+- Qh3 19.Ke1 Ng2 (19...Qh2 20.Rg4 Nh3=) 20.Rg2+- Qg2 21.Qg4?? (21.Bf1!? Qh2 22.d4 Bd6+-) 21...Qh2 (better 21...Qh1 22.Bf1 Bf3=) 22.Ne4?? (better 22.Bf1+-) 22...Qh1 (22...h5!? 23.Qf3 Bb2 24.Bd3-+) 23.Bf1 Bb2 24.Ng3 Qd5 (24...Qf3 25.Nh5 Kh8 26.Qf3 Bf3 27.Rb1-+) 25.Bc4 (25.Qb4 Qe6 26.Be2 Be5-+) 25...Qe5 26.Be2 (26.Ne2-+) 26...Bd4?? (better 26...f5 27.Qb4 f4-+) 27.Qd7?? (27.c3 Bc3 28.dc3 Qc3 29.Kf1 f5=+) 27...Bg2 (27...Bf2 28.Kf1 Qg3 29.Qe7 Kh6 30.Qf8 Kg5 31.Qh6 Kh6 32.Bg4 Bg1 33.Ke2 Ba6 34.c4 Bc4 35.d3 Qf2) 28.Qa7?? (better 28.c3 Qd5 29.Qd5 Bd5 30.cd4=) 28...Qf4-+ 29.Qe7 (29.Rb1 Qf2 30.Kd1 Qg1 31.Bf1 Bf3 32.Kc1 Qg3-+) 29...Rf7 30.Qf7 (30.Qe3 Be3 31.de3 Qb4 32.Rd2-+) 30...Kf7 31.d3 Bf2 0–1. aravind555 (1820) – tuvshintugsbudlan (1860), lichess.org, 2020.

5.Qf3 0-0?? 6.Be2 Nc6 7.g4 Ne5 8.Be5 Be5=.

5.Qf3 0-0?? 6.Be2 d5? 7.Qb3?? (better 7.g4!?+-) 7...Be6 (7...Nf4!? 8.Qg3 Ne2 9.Ne2 Na6=+) 8.Bh5+= gh5 9.d4 Nc6 (9...a5 10.Nf3=) 10.Nd2 b6 (10...f6 11.b5 Na5 12.Qg3=) 11.0-0-0 (11.Ne2!?+=) 11...a5 12.ba5 (12.b5!? a4 13.Qd3=) 12...Na5 13.Qh3?? (better 13.Qg3=+) 13…Bh3-+ (13...Bh3 14.Nh3 c5-+) 0–1. aravind555 – melman21, lichess.org, 2019.

5.Qf3 0-0? 6.Be2 d6? 7.d4?? (better 7.g4+-) 7...de5-/+ 8.de5 Nc6 9.b5 (9.Qe3!? Nb4 10.Qc5-/+) 9...Ne5-+ 10.Be5 Be5 11.c3 c6 (11...Nf4 12.Qe4 Qd6 13.Nf3-+) 12.Nh3 (12.bc6 Qc7-/+) 12...Qa5 (12...Bh3 13.gh3 Nf4 14.bc6 bc6 15.Qc6-+) 13.0-0 (13.Qe3 Bd6 14.bc6 bc6-+) 13...Nf6 (13...Bh3 14.gh3 Nf4 15.bc6 bc6 16.Bc4-+) 14.Ng5 (14.bc6 Qc7-+) 14...Bg4 (14...cb5 15.Qe3 Qc7 16.f4-+) 15.Qe3 Bd6 (15...Be2 16.Qe2 Qb5 17.Qb5 cb5 18.Nf3-+) 16.Bg4 (16.c4-+) 16...Ng4 17.Qh3 Do you see the mate threat? 17...Bh2 18.Kh1 Nf2?? (better 18...h5 19.Nf3 Qb5-+) 19.Rf2+- h5 20.Qh2 (20.Kh2 Qc7 21.Kg1 cb5+-) 20...Qb5 21.Nd2?? (better 21.Nf3+-) 21...Qg5= 22.Raf1 Rad8 23.Ne4 (23.Nf3 Qc5=) 23...Qb5 (23...Qd5 24.Qh4 f6=) 24.g4 (better 24.Qf4!?=) 24...hg4-/+ 25.Qh6 (better 25.Kg1-/+) 25...Qd5?? (better 25...Qh5 26.Qh5 gh5-+) 26.Rh2+- Qe4 27.Kg1 Qe3 28.Qe3 f5 29.Qh6 (29.Qe7 Rfe8 30.Qf6 f4 31.Rh8) 29...Kf7+- 30.Qh7 (30.Re1!? e5 31.Qg5 Rh8+-) 30...Kf6 31.Qh4 Kg7 (31...Kf7 32.Re1 e5 33.Qg5+-) 32.Qg5 (32.Qe7 Rf7 33.Qd8 Rf8 34.Qe7 Rf7 35.Qe5 Rf6 36.Rd1 g5 37.Rd7 Kg8 38.Qe8 Rf8 39.Qg6) 32...Rd5 (32...Rf7 33.Qh6 Kf6 34.Rf5 Kf5 35.Rf2 Ke6 36.Qe3 Kd6 37.Rf7+-) 33.Rh6 (better 33.Qe7 Rf7 34.Qh4+-) 33...Rf6 34.Re1 e6 (34...e5 35.c4 Rdd6+-) 35.Qh4 (35.Qh4 Rc5 36.Rh7 Kg8 37.Rh8 Kf7 38.Qh7) 1–0. aravind555 (1700) – gabysansa (1670), lichess.org, 2020.

5.Qf3 0-0?? 6.g4 Nc6 7.gh5 Ne5 8.Qb3+-.

5.Qf3 Nc6 6.e6 de6=+ 7.Bg7 Ng7 8.Bd3 (8.c3!?=+) 8...Nb4 (8...Qd6 9.Qe2-+) 9.Bb5 (9.Be4 0-0-/+) 9...c6-+ 10.Ba4 0-0 (10...e5 11.Nc3 Bf5 12.Rb1-+) 11.Nc3 b5 12.Bb3 Bb7 (12...Nd5 13.Nge2-+) 13.Nb5 a6 (13...cb5 14.Qb7 Rc8 15.Nf3-/+) 14.Nc3-/+ Qb6 (14...Rb8 15.a3 c5 16.Qg4-/+) 15.Nge2 (15.Qg4 c5-/+) 15...c5 16.Qg3 (16.Qg4 Rfd8-/+) 16...Nf5 (16...c4!? 17.Ba4 Bc6 18.Rc1-/+) 17.Qg4-/+ Nd4 18.Nd4 (18.0-0 Nbc2 19.Bc2 Nc2-/+) 18...cd4-+ 19.Na4 Qd6 20.0-0 a5 (20...Rab8 21.Rab1-/+) 21.c4 (21.Rab1 Rab8-/+) 21...dc3 (21...Nd3 22.Rfb1-/+) 22.dc3=+ Nd3 23.Rad1 Nf2?? (better 23...Rad8-/+) 24.Kf2 (better 24.Rf2!? Qc6 25.Rfd2+-) 24...Qh2+- 25.Qg3 (25.Rh1 Qe5+-) 25...Qh5 (25...Qg3 26.Kg3 Rac8 27.c4+-) 26.Rh1 Qf5 27.Kg1 Rad8 28.Rf1 Rd3? (better 28...Qe4+-) 29.Rh7?? (better 29.Qh2 Qh5 30.Qh5 gh5 31.Nc5+-) 29…Rg3-+ (29...Rg3 30.Rf5 Rg2 (worse 30...Kh7 31.Rf2-+) 31.Kf1 gf5-+ (worse 31...Kh7 32.Ra5 Kg7 33.Nc5-+); 29...Kh7 30.Qh4 Qh5 31.Qe7 Bg2 32.Rf7 Rf7 33.Qf7 Kh6 34.Qf8 Kg5 35.Qe7 Kg4 36.Be6 Kf4 37.Qf7 Ke5 38.Qc7 Rd6 39.Nc5 Qh1 40.Kf2 Qf1 41.Kg3-+) 0–1. aravind555 (1735) – magia_boletus (1735), lichess.org, 2020.

5.Qf3 Nc6 6.g4 Ne5 7.Be5 Be5 8.d4 Bd4 9.c3=.

5.Qf3 e6 6.Be2 (6.g4!?+-) 6...Bh6 (6...Nc6 7.g4 Ne5 8.Be5 Be5 9.d4 Bd4 10.c3=) 7.g4 (better 7.Qh3 Qg5 8.Nf3+-) 7...Ng7? (better 7...Nf4=) 8.h4+- Nf5 (8...a5 9.b5+-) 9.gf5 ef5 10.e6 (better 10.h5 Bg7 11.h6+-) 10...fe6?? (10...f6 11.Qc3 d6+-) 11.Bh8 Nc6 12.b5 (12.Qc3 Bf8+-) 12...Ne7 (12...Nb4 13.Na3+-) 13.Bf6 c6 (13...d6 14.Nc3+-) 14.h5 Kf7 (14...g5 15.Nc3 g4 16.Qg3+-) 15.Be7 Qe7 (15...Ke7 16.hg6 Bg7 17.Qa3 c5 18.Rh7+-) 16.hg6 Kg6 17.Qh5 Kg7 18.Qh6 Kg8 19.Rh3 cb5 20.Rg3 Kh8 21.Nf3 b6 (21...a6 22.Ne5 d6 23.Ng6 Kg8 24.Ne7 Kf7 25.Bh5 Ke7 26.Qh7 Kd8 27.Rg8) 22.Ne5 Bb7 (22...d5 23.Ng6 Kg8 24.Ne7 Kf7 25.Qh7 Ke8 26.Nc8 Rc8 27.Rg8) 23.Ng6 (23.Ng6 Kg8 24.Ne7 Kf7 25.Qh7 Ke8 26.Rg8) 1–0. aravind555 (1780) – omonla (1785), lichess.org, 2020.

5.Nf3 d6 6.g3 de5 7.Be5 0-0?? 8.Bg7= Kg7 9.d4 Nc6 10.c3 e6 (10...Nf6 11.Bg2+=) 11.Bb5 Ne7 12.Bc6?? (12.Bd3 Bd7+=) 12...Nf6?? (12...Nc6 13.0-0-+) 13.0-0?? (better 13.Ba4=) 13...bc6 (13...Nc6 14.Qe2-+) 14.Ne5 Ba6 (14...a5 15.ba5 c5 16.dc5 Ra5 17.Qd4-+) 15.Re1 Bc4?? (15...c5 16.bc5 Bb7 17.Nd2-+) 16.Nd2?? (better 16.Nc4 Qd5 17.Nbd2+/-) 16...Bd5 (16...Bb5 17.a4 Ba6 18.Qf3-+) 17.Nd3? (better 17.c4!?=+) 17...c5! 18.bc5 (18.bc5 Kg8 Combination; 18.Nc5 Kg8 Combination; 18.dc5 a5 Combination) 18...Bc6 19.c4? (19.Ne5-+) 19...Qd4 20.Nb3 Qd7 (20...Qc4!? 21.Ne5 Qa6 22.Qc2-+) 21.Ne5 Qe8 22.Nc6 (22.Qd2 Rb8-+) 22...Qc6 23.Nd4 (23.Qe2-+) 23...Rad8 (better 23...Qc5 24.Re6 Rad8-+) 24.Nc6-/+ Rd1 25.Ne7 Re1 26.Re1 Nd5?? (better 26...Nd7!? 27.Rb1 Rb8 28.Rb8 Nb8=+) 27.Nc6 (better 27.cd5!? Kf6 28.d6 cd6 29.cd6 Rd8+-) 27...Ne7?? (27...Nc3=) 28.Ne5?? (better 28.Ne7 Rb8 29.Nc6+-) 28...Nf5 (28...Rd8 29.Re3=+) 29.Nd3 (better 29.Rb1+=) 29...Ng3?? (better 29...Rd8 30.Ne5 Nd4-/+) 30.Nf4?? (better 30.hg3 Rd8 31.Ne5+-) 30…Ne2 0-1. universe64 (2170) - CheeseMouse (2355), Rated UltraBullet game, lichess.org, 2018.

5.g3 Nc6 6.b5 Na5+=.

5.Nh3!? Bh6 6.Qf3+=.

5.d4 d6

6.g4 Nf4 7.Qd2 g5 8.Bc4 de5 9.de5 Bg4 10.Qd8 Kd8 11.f3 Bh5 12.Nd2 Nc6 13.0-0-0 Kc8 14.h4 gh4 15.Rh4 Bh6 16.e6 Bg5 17.Rh5 Nh5 18.Bh8 f6 19.Kb1 Ne5 20.Nh3 Bd2 21.Rd2 c6 22.Bb3 Kc7 23.f4 Ng6 24.Rd7 Kb6 25.Bf6 Nf6 26.Rd4 a5 27.a3 ab4 28.ab4 Kc7 29.f5 Ne5 30.c4 Rg8 31.Nf4 h5 32.Bc2 Rg4 33.Ng6 Rd4 34.Ne5 Ng4 35.Ng4 hg4 36.f6 ef6 37.e7 Kd7 0–1. Adjailton (1730) – Gum00 (1700), lichess.org, 2019.

5.Be2 Nf4

6.Nf3 Ng2 7.Kf1 Nf4 8.Nc3 e6 (8...Nc6!? 9.Bb5-+) 9.Ne4-/+ h6 (9...d6-/+) 10.Nf6 (10.Rg1!?-/+) 10...Bf6-+ 11.ef6 Nc6 (11...d6 12.Ke1-+) 12.b5 Nb8 13.Be5 (13.Rg1 d6-+ (worse 13...Ne2 14.Qe2 d6 15.a4-/+)) 13...Ne2 14.Qe2 d6 15.Bc3 e5 (better 15...Nd7-+) 16.d4=+ Nd7 (16...Bh3 17.Ke1=+) 17.Rg1 Qf6 18.de5 de5 19.Rd1 (19.Ne5 0-0 20.Rg3 Ne5 21.Qe5 Qe5 22.Be5-/+) 19...0-0-/+ 20.Rg4 (20.Ne5 Ne5 21.Be5 Qe7-/+) 20...Re8 (better 20...Qe6 21.Rh4 f6-/+ (worse 21...Qa2 22.Ne5 Ne5 23.Qe5=+)) 21.Nh4? (better 21.Re4!?-/+) 21...Kh7 (21...a6 22.a4-+) 22.Ng2 Qf5 (22...a6 23.Rc4 Qb6 24.a4-+) 23.Rf4 (better 23.Ne3 Qe6 24.Qf3-+) 23...ef4 (better 23...Qe6 24.Re4 f5-+) 24.Qe8-/+ Threatening mate: Qh8 24...Ne5?? (better 24...g5-/+) 25.Qh8 (25.Rd8 Qd3 26.cd3 Nd3 27.Qf7) 25...Kh8-+ 26.Rd8 Kh7 27.Nh4 Qf6 (27...Qh3 28.Kg1 Qh4 29.Rh8 Kh8 30.Be5 Kh7 31.Kf1 Bh3 32.Ke1 Qe7 33.Ke2 Qe5 34.Kd3 Bf1 35.Kd2 Rd8 36.Kc1 Qa1) 28.Be5 Qe5 (28...Bh3 29.Ng2 Qe5 30.Ra8 f3 31.Rh8 Kh8 32.c3 fg2 33.Kg1 Qe1) 29.Nf3 Qe4 (29...Bh3 30.Kg1 Qa1 31.Rd1 Qd1 32.Ne1 Qe1) 30.Kg2 Bh3! 31.Kh3 Theme: Deflection from f3 (31.Kg1 Rd8 32.Ng5 hg5 33.b6 Rd1) 31...Rd8 (31...Qf3 32.Kh4 g5) 32.Ng1 (32.Kg2 Rd5 33.h4 g5 34.h5 g4 35.Kg1 Qf3 36.b6 Rd1 37.Kh2 Qf2) 32...g5 (32...Qe6 33.Kg2 Qg4 34.Kh1 Rd1 35.b6 Qg1) 33.f3 Qf5 34.Kg2 Rd2 35.Kf1 g4 (35...Qb5 36.Ke1 Rh2 37.Ne2 Qe2) 36.fg4 (36.Ne2 Qc2 37.fg4 Re2 38.h3 Qd1) 36...Qg4 37.Nh3 (37.Nf3 Qf3 38.Ke1 Qe2) 37…Qd1 0–1. aravind555 – twinhorseblack, lichess.org, 2018.

6.g3 Ne6 7.d4= d6 (7...d5 8.Nf3=) 8.d5 Ng5 (8...Nf8 9.f4=) 9.h4 Ne4 10.f3?? (10.Qd3 Bf5 11.Qb5 c6 12.Qb7+-) 10...Ng3-+ 11.Rh3? (11.Rh2-+) 11...Bh3 12.Nh3 Nd7 (better 12...Be5 13.Be5 de5-+) 13.e6 (13.Nc3 de5 14.Bd3-+) 13...Bb2 14.ef7 White gets in control 14...Kf7 15.Ng5 Ke8 16.Bb5 (16.Ne6 Qc8 17.Nd2 Ne2 18.Ke2 Ba1 19.Qa1-+) 16...c6 17.dc6 (17.Nd2 Qb6 18.Nge4 Qg1 19.Bf1 Nf6 20.Nf6 Bf6 21.dc6 Bd4-+) 17...bc6 (17...Ba1?? 18.Qd5 e6 19.cd7 Kf8 20.Ne6 Ke7 21.Nd8 Rad8 22.c3+-) 18.Bc6 Qc7 (better 18...Qb6 19.Bb5 Qb5 20.Kf2-+) 19.Qd5 Rg8 (better 19...Qb6 20.Qf7 Kd8 21.Ne6 Kc8 22.Bd7 Kd7 23.Nc5 dc5-+) 20.Qf7 (20.Qg8) 20...Kd8 21.Ne6 (21.Qg8 Nf8 22.Qf8) 21...Kc8 22.Qg8 (22.Qg8 Nf8 23.Qf8 Qd8 24.Qd8; 22.Nc7?! Kc7 23.Ba8 Ra8 24.Qc4 Kb7 25.Qd5 Kb8+-; 22.Ba8 Rf8 23.Nf8 Nf6 24.Nh7 Qc2 25.Qe6 Kd8 26.Nf6 Bf6=+) 1–0. aravind555 – abullido, lichess.org, 2017.

6.Bf3 Ne6

5.g3 d6+=

6.Be2 de5

7.Bh5 gh5

6.f4 de5

5.g4 Nf4

6.Qf3 Ne6 7.d4 0-0 8.d5 Ng5 9.Qd1 (9.Qe3 f6=) 9...d6 (9...f6 10.h4 Nf7 11.h5=) 10.h4+= Ne4 11.Bg2 Nf2 (11...f5!? 12.h5 de5 13.hg6 hg6 14.gf5 Bf5+=) 12.Kf2+/- de5 13.Nf3 (better is 13.h5!?+/-) 13...Bg4= 14.c4 e4 (14...c6 15.dc6 Nc6 16.Qb3=) 15.Bg7+= Kg7 (better is 15...ef3!? 16.Bh3 Bh3 17.Bf8 Bg2+=) 16.Qd4+/- (16...Kg8 17.Qe4 Bf3 18.Qf3+/-) 1–0. b4_player – GW_Busch, GameColony.com, 2002.

4.f3 d6

4.Nf3

4.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e4).

4.Nf3 0-0 5.d3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 0-0 5.e4).

4.Nf3 d6 5.d3 e5 6.Be2 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 0-0 5.e4 d6 6.Be2 e5).

4.f4 0-0

5.Qe2!?=.

5.Nf3 Ne4-/+ 6.Bg7 Kg7 7.d3 Nf6 8.c4 (8.d4 d6-/+) 8...d5 9.c5 (9.Be2 Ng4-/+) 9...c6 (9...d4 10.Qa4-/+) 10.Nbd2 (10.Be2 a5 11.Qd2 ab4 12.Qb4 Na6-/+) 10...Qe8 (10...Qc7!?-/+) 11.d4 b6 12.Bd3 Ne4 (better is 12...Ba6!? 13.Bc2 Ng4-/+) 13.Ne4+= de4 14.Be4 Bg4 15.h3 Be6 (15...Bf3 16.Bf3 (< 16.gf3 f5 17.Bd3 Qf7=+) 16...Qd7 17.d5+=) 16.Qc2 (16.Qe2 Qd7+=) 16...bc5 (16...Qd7 17.0-0+=) 17.dc5 Nd7? (better is 17...f5 18.Bd3 a5+/-) 18.Bc6+- Qc8?! 19.Ba8 Qa8 20.0-0 Bf5 21.Qc3 Kg8 22.Rfe1 Bh3 23.gh3 Nf6 24.Rad1 Nh5 25.Qe3 Ng3 26.Kf2 Nf5 27.Qe4 Qb8 28.a3 a5 29.Ne5 ab4 30.ab4 Qb4 31.Qb4 Nd4 32.Rd4 Rd8 33.Rd8 Kg7 34.Qd4 f5 35.Ng4 Kf7 36.Re7! Ke7 37.Qd7# 1–0. Fredek (2090) – Beps, Freundschaftspartie, 5m + 0s, 2005.

3.f3 Bg7

4.Bc3 d5=+ 5.e3 0-0 6.d4 Nbd7 7.Nd2 c6 8.Qe2 (8.e4 de4 9.fe4 Nb6=) 8...Nb6 (8...Re8 9.f4-/+) 9.a4=+ Bd7 (9...Nbd7 10.e4=) 10.a5= Nc8 11.0-0-0 (11.e4!?=) 11...b6-/+ 12.Nb3 Re8 13.a6 Nd6 14.Qf2 (14.h4 Nb5 15.Qd2 Qc8-/+ (15...Nc3?! 16.Qc3 h5 17.Bd3=+)) 14...Qc8 15.g4 b5 (better 15...Nb5 16.Bb5 cb5-/+) 16.Nc5 Be6 17.Kd2 (17.h4!?=) 17...Nd7 (17...Bg4 18.Kc1 Bf5 19.h4-/+) 18.Ne6 (18.Qg3 Nc4 19.Bc4 Nc5 20.dc5 Bc3 21.Kc3 bc4=+) 18...fe6 19.Kc1 (19.h4!?=+) 19...Qa6-/+ 20.h4 Rf8 (20...Qa3 21.Kd2 Nb6 22.Ne2-+) 21.Qg2? (21.Qe1 e5-/+) 21...e5 (21...Qa3 22.Bb2 Qb4 23.h5-+) 22.de5 (22.Qd2-+) 22...Be5 (22...Ne5 23.h5 Ndc4 24.Kb1-+) 23.Be5 (23.Bb2 Qa2 24.c3 a5-+) 23...Ne5 24.Kd2 (24.c3 Qa1 25.Kc2 Qa4 26.Kc1 a5-+) 24...Nec4 25.Bc4 Nc4 (25...dc4?! 26.h5 Rad8 27.Ke1-/+; 25...bc4?! 26.Ke1-+) 26.Ke2 Qa2 27.Rc1 (27.Kf2 Qc2 28.Ne2 Qb3-+) 27...Qb2 (27...Qa3 28.Rd1 Qe3 29.Kf1-+) 28.Nh3 (28.Qf1 a5 29.ba5 Ra5-+) 28...Qb4 (better 28...Qc3 29.Kf2 Ne3 30.Qg1-+) 29.Rhd1 Qc5 30.Rd3 (30.Qf2 a5-+) 30...e5 (30...Ne5!? 31.Nf4 Nd3 32.Nd3-+) 31.Ng5 Qe7 32.Qg3 (32.e4 Rad8 33.Qg3 a5-+) 32...a5 (32...h6 33.Nh3 e4 34.fe4 de4 35.Rd4-+) 33.Rb1 (33.e4 d4-+) 33...a4 34.Kd1 (34.e4 d4-+) 34...a3 (better 34...h6!? 35.e4 hg5 36.ed5 gh4 37.Qe1 cd5 38.Rb5-+) 35.Rdb3 (35.Ke2 h6 36.Ra1 hg5 37.hg5 e4 38.fe4 Qe4-+) 35...a2 36.Ra1 h6 37.Nh3 Qf6 38.Ke2 (38.e4 de4 39.Ke1 Qd8-+) 38...e4 39.c3 ef3 40.Kf2 (40.Ke1 Ne3 41.Kf2 Nc2-+) 40...Nd2 41.Rb4 Qc3 42.Qd6 Qa1 (42...Ne4 43.Kg1 Qa1 44.Kh2 Nd6 45.g5 Qe5 46.Nf4 Rf4 47.Kg3 Rb4 48.Kf3 Rf8 49.Ke2 Qb2 50.Kd3 Rb3) 43.Kg3 Qe1 (43...Qe1 44.Kh2 Qe2 45.Nf2 Qf2 46.Kh1 Qg2) 0–1. Delboy Smith (1690) – altobelli (1970), ChessWorld.net, 2011.

4.c4 Nc6 5.a3 d5 6.d3 (6.b5 Na5 7.cd5 Nc4 8.Bf6 Bf6=) 6...a5 (6...dc4 7.e3-/+) 7.Qa4 Bd7 (better is 7...dc4 8.dc4 0-0=+) 8.Qb5?? (better is 8.b5 Na7 9.e4=) 8...b6 (8...Nb4 9.Qb7 Rb8 10.Qb8 Nc2 11.Kd2 Qb8-+) 9.cd5?? (better is 9.Qa4 ab4 10.Qb3 ba3 11.Ra3-+) 9...Ne5!! 10.Qa4 (10.Be5 Bb5) 10...Ba4 11.Be5 Qd5 12.Bc7 (12.d4-+) 12...Nd7 13.Nd2 Ba1 14.Nc4 Rc8 15.Bb6 ab4 (15...Bc3 16.Kf2 Nb6 17.Nb6 Qd4 18.e3 Qb6 19.ba5 Be1 20.Ke1 Qe3 21.Ne2 Rc1) 16.h4 Nb6 17.Nb6 Rc1 18.Kd2 Qc5 19.Na4-+ Qc2 20.Ke3 Qa4 21.Nh3 ba3 22.g3 Bd4 23.Ke4 f5 24.Kd5 e6! 25.Ke6 Qd7 0–1. Rettkowski,Marcel – Lausch,Axel, remoteschach.de, 2002.

4.c4 d6 5.d4=+.

4.e4 0-0 5.d4 d6 6.c4 b6 7.Bd3 Bb7 8.Ne2 Nc6 (8...c5 9.a3=) 9.Qb3 a5 10.b5 Nb8 11.Nbc3 e6 12.a4 (12.0-0+=) 12...d5 (better 12...c5!?+=) 13.cd5+- ed5 14.e5 Nfd7 15.Ba3 (15.0-0 c5 16.bc6 Nc6 17.Nd5 Nce5 18.de5 Nc5 19.Qb6 Nd3 20.Qb7 Rb8 21.Ne7 Kh8+=) 15...Re8+/- 16.Rc1 Nf8 17.0-0 Ne6 18.Rc2 c5 19.bc6 Nc6 20.Nb5 (worse 20.Qd5 Ned4 21.Nd4 Nd4 22.Qd8 Rad8-+; 20.Nd5? Ncd4 21.Nd4 Nd4 22.Qb6 Nc2 (22...Qd5?! 23.Rc5 Nf3 24.Rf3 Qd4 25.Rf2 Qd3 26.Qb7 Qa3 27.Qf7 Kh8 28.Ra5-+) 23.Qb7 Na3-+) 20...Ba6?? (better 20...Qh4 21.f4 f6+/-) 21.Bb2 (better 21.Rc6 Bh6 22.f4+-) 21...Bb5?? (better 21...Nb4 22.Rcc1 Qd7=) 22.Bb5+- (worse 22.Qb5 Nb4=+; 22.ab5?! Nb4 23.Rcc1 Bf8=) 22...Nb4 23.Rc3 (23.Be8 Qe8 24.Rd2 b5+-) 23...Re7+/- 24.Rfc1 (24.Ba3!?+/-) 24...Rc7 (24...Bh6 25.Rd1+=) 25.Ba3 Rc3 26.Rc3 (26.Nc3? Nd4 27.Qd1 Be5-+; worse 26.Qc3 Na2 27.Qe3 Nc1 28.Bc1 Rc8-/+) 26...Rc8 (26...Bf8!?+/-) 27.Bb4 ab4 28.Qb4 Bf8 29.Rc8 Qc8 30.Qc3 Qc3 31.Nc3 Nd4 32.Nd5 Bc5 33.Kf1 Kg7 34.Bc4 h5 35.g3?? (better 35.f4+-) 35...Nf3-/+ 36.Kg2 Nd2 (better 36...Ne5!? 37.Bb3 Kf8-/+) 37.Bb5 Nb3 (37...Bd4 38.Bd3=) 38.Nf4 (38.Kf3 Nd4 39.Ke4 Ne6+=) 38...Bd4+= 39.e6 Bc5 (39...fe6 40.Ne6 Kf7 41.Nf4+=) 40.Bc4 (40.ef7!? g5 41.Nd3+/-) 40...Nd2 41.Ba2 fe6 42.Ne6 Kf6?? (better 42...Kh7+/-) 43.Nc5+- bc5 (43...Ke7 44.Ne6 Ne4+-) 44.a5 c4 (44...Ne4 45.a6 Nc3+-) 45.a6 c3 (45...Ke5 46.a7+-) 46.a7 c2 47.a8Q c1Q (47...Ne4 48.Qc6 Ke7 49.Qe4 Kd8 50.Qd3 Kc7 51.Qc2 Kd7 52.Qg6 h4 53.Qe6 Kc7 54.gh4 Kb7 55.Bd5 Kc7 56.Qc6 Kd8 57.Qb7 Ke8 58.Be6 Kf8 59.Qf7) 48.Qf8 Ke5 49.Qf4 1-0. ClayPigeons (2160) - Abdul6116 (2100), Rated Blitz game, lichess.org, 2020.

4.g4 0-0 5.c3 (5.e4 e5=+) 5...d6 (5...e5 6.h4-/+) 6.d4 Be6 7.e4 c6 8.c4 b5 (8...d5!? 9.g5 Ne8=+) 9.cb5 cb5 10.Bb5 a6 (10...Qb6!? 11.a4 a6=) 11.Ba4 Bc4 (11...Qb6 12.a3+=) 12.Qd2 d5 (12...Nfd7 13.h4+=) 13.e5 (13.Na3!?+-) 13...Nfd7+= 14.h4 Nb6 15.Bc2 N8d7 (15...Bb5!?+-) 16.h5+- Re8 17.h6 (better 17.e6!? Nf8 18.ef7 Kf7 19.hg6 hg6 20.f4+-) 17...Bf8 18.Nc3 (18.f4 e6+=) 18...e6 19.a3 f6 20.Bc1 White plans g5 (better 20.Rc1!?+=) 20...fe5-/+ 21.de5 Ne5 22.g5 Be7 (22...Bb5-/+) 23.Nce2 (23.Qd4!? Bg5 24.Bg5 Qg5 A) 25.Qb6? Qg2 26.Qc7 Nf7-+ (26...Nf3?! 27.Nf3 Qh1 28.Kf2 Qh6 29.Qe5-+); B) 25.Rh3-/+) 23...Be2-/+ 24.Qe2 Qd6 (24...Bg5!? 25.f4 Bh4 26.Kd1 Nec4-+) 25.Bf4 (25.f4 Nec4=+) 25...Nbc4 (25...Nd3 26.Bd3 Qf4 27.Qe6 Kf8 28.Kf1-/+) 26.Nh3 Rf8 27.Be5 Ne5 28.f4 Nc4 29.Bd3 (29.0-0 a5 30.ba5 Qc6-/+) 29...Na3 30.0-0 Qb6 31.Kh1 Bb4 (better 31...Nc4-/+) 32.Rf3? (32.Qb2!? d4 33.Ra3 Qc6 34.Kg1 Ba3 35.Qa3=+) 32...a5 (32...Qd6 33.Re3 Rfe8 34.f5 gf5 35.Bf5-+) 33.Ra2 (33.Qb2!? Qc7 34.Ra3-/+) 33...Rac8 34.Rf1 (34.Qb2 Qc7-+) 34...Qc6 35.Kh2 Qd6 36.Qg2 (36.Rd1 Rc6-+) 36...Nc4 (36...e5 37.fe5 Qe5 38.Kh1 Rf1 39.Bf1-+) 37.Bc4 (37.Qe2 Bc3-+) 37...Rc4 38.Re2 a4 39.Kh1 a3 40.Rd1 d4 (40...Rf5 41.Qg3-+) 41.Re4 (41.Qb7 Rc7 42.Qe4 Bc3-+) 41...Bc5 (41...Bc3 42.Kg1-+) 42.Qe2 (42.Re5 Rb4-+) 42...Rc3 (42...d3!? 43.Qg2 Re4 44.Qe4-+) 43.Rd3 (43.Nf2-+) 43…a2! (43...a2 44.Qa2 Rd3-+) 0–1. Delboy Smith (1810) – Steve20 (1865), ChessWorld.net, 2010.

4.e4 d6

5.d4 0-0 6.Ne2 Nbd7 7.Nd2 e5 8.Ng3 ed4 9.Bd4 Ne5 (9...c5 10.bc5 dc5 11.Bc3+=) 10.Be2 Nfd7 (10...Nc6 11.c3+=) 11.0-0 c5 12.bc5 Nc5 (12...dc5 13.Be3=) 13.f4 Nc6 14.Bg7 Kg7 15.Nc4 f5 (15...Ne4 16.Ne4 d5 17.Ned6 dc4 A) worse is 18.Nc8 Rc8 (worse is 18...Qc8 19.Bc4 Rd8 20.Bd3=) 19.Bc4 Qd4 20.Qd4 Nd4-/+; B) 18.Bc4=) 16.Nd6 (16.ef5 Bf5 17.Nf5 Rf5 18.Nd6 Rf6=) 16...fe4 (16...Ne4 17.Nde4 Qd1 18.Bd1 fe4 19.Ne4+=) 17.Rb1 Na4 (better is 17...e3!? 18.Qd5 Rf6 19.Qc5 Qd6 20.Qe3 Qd4 21.Qd4 Nd4+/-) 18.Nge4+- Bf5?? (better is 18...Nb6+-) 19.Rb7 Kh8 (19...Bd7 20.Qa1 Kh6+-) 20.Qa1 Kg8 (20...Nb2 21.Qb2 Rf6 22.Nf7 Kg7 23.Nd8 Ne7 24.Qf6 Kg8 25.Bc4 Nd5 26.Qg7) 21.Qg7 1–0. DEFFM – GuestVXCY, freechess.org, 2018.

(...)

4.d3 Bg7 5.g3 Bb7 6.Nbd2 d6 7.Bg2 Nc6 8.a3 e6 9.c4 Nb8 10.Qc2 Nbd7 11.Nb3 a6 12.c5 dc5 13.bc5 c6 14.0-0 0-0 15.cb6 Nb6 16.Nc5 Qc7 17.Be5 Qc8 18.Qb2 Ne8 19.Bg7 Ng7 20.Qb6 Rb8 21.Ne5 Rd8 22.a4 Ne8 23.a5 Nd6 24.Rab1 f6 25.Ned7! Rd7 26.Nd7 Qd7 27.Rbc1 Rc8 28.Qc5 f5 29.Rc3 h5 30.Rfc1 Nb5 31.R3c2 Kg7 32.e4 Kh7 33.ef5 ef5 34.Qb6 Nd4 35.Rd2 Re8 36.Rcd1 Ne2 37.Kf1 Nd4 38.Re1 (38.Re1 Re1 39.Ke1+-) 1–0. linakip – domuschiev, kurnik, 2012.

4.g3 d5 5.Bg2=.

4.d3 Bb7

5.Nbd2 Bg7 6.g3 0-0 7.Bg2 g5 8.0-0 g4 9.Nh4 Bg2 10.Ng2 h5 11.Nh4 e6 12.a3 Nc6 13.Qc1 Bh6 14.Qd1 d5 15.c4 dc4 16.Nc4 Qe7 17.Ne5 Ne5 18.Be5 Rad8 19.Qb3 Nd5 20.Rac1 Bc1 21.Rc1 Rc8 22.Qa4 a5! 23.ba5 ba5 24.Qa5 Ra8 25.Qb5 Qa3 26.Qc4 Ra4 27.Qc6 Ra6 28.Qc4 c5 29.Qc5 Qc5 30.Rc5 Rfa8 31.Kg2 Ra5 32.Rc2 Ra2 33.Rc5 Re2 34.Bd4 Raa2 35.Rc8 Kh7 36.Rf8 Ne3 37.Be3 Re3 38.Rf7 Kg8 39.Rf6 Ree2 40.Rf4 Rad2 41.d4 Re1 42.Ng6?? Kg7 43.Ne5-+ Red1 44.Nc6 Rc1 45.Ne5 Rcc2 46.Rf7 Kg8 47.Rf6 Rd4 48.Re6 Re4 49.Re8 Kg7 50.Re7 Kf8 51.Rf7 (51.Rf7 Ke8 52.Rf5-+) 0–1. linakip – lubaczowmarek, kurnik, 2011.

5.Nbd2 Bg7 6.g3 a5 7.ba5 Ra5 8.Bg2 Nc6 9.0-0 0-0 10.Qc1 e6 11.Nb3 Ra8 12.Re1 Na5 13.Na5 Ra5 14.a3 Nd5 15.c4 Nf6 16.Bc3 Ra8 17.Qb2 Nh5 18.Bg7 Ng7 19.e4 Ne8 20.Ne5 d6 21.Ng4 Qg5 22.h3 h5 23.Nh2 f5 24.Nf3 Qf6 25.Qf6 Nf6 26.e5 de5 27.Ne5 Kg7 28.Bb7 Rad8 29.Rad1 Nd7 30.Nd7 Rd7 31.Bc6 Rd6 32.Bb5 Ra8 33.a4 c6 34.Bc6! Rc6 35.Ra1 Rc5 36.Re6 Rca5 37.Rb6 Ra4 38.Ra4 Ra4 39.Kg2 Ra3 40.Rd6 Kf7 41.Kf3 Ke7 42.Rd4 Ke6 43.Ke3 g5 44.Rd8 Ra2 45.Re8 Kf7 46.Rh8 Kg6 47.Rd8 f4 48.gf4 gf4 49.Kf4 Rf2 50.Ke3 Rh2 51.h4! Rh4 52.c5 Rh1 53.c6 Rc1 54.Rd6 Kg5 55.d4 h4 56.d5 h3 57.Rd8 h2 58.Rh8 h1Q 59.Rh1 Rh1 60.c7 Rc1 61.d6 Kf6 62.Kd4 Ke6-+ 63.d7 Kd7 64.c8Q Rc8 65.Kd3 Rc5 66.Kd4 Kd6 67.Ke4 Rh5 68.Kf4 Kd5 69.Kg4 Re5 70.Kf4 Kd4 71.Kf3 Re4 72.Kg3 Ke3 73.Kg2 Rf4 74.Kg3 Ke4 75.Kh3 Kf3 76.Kh2 Rg4 77.Kh3 Kf4 78.Kh2 Rg6 79.Kh3 Rg7 80.Kh4 Rh7# 0–1. linakip – lubaczowmarek, kurnik, 2011.

4.g3 Bb7

5.Na3 e6 6.Nb5 Bf3 7.ef3=+.

5.Na3 Bg7 6.Bg2= 0-0 7.0-0 d6 8.c4 c5 9.Nc2 (9.b5 a6=) 9...Qc7 10.d3 Nbd7 11.e4 (11.a3 a6=) 11...e6 12.Ne3 (12.Rb1 Rfc8=) 12...Ng4 (better is 12...cb4!? 13.Rb1 a5=+) 13.Bg7+= (< 13.Ng4 Bb2 14.Rb1 Bg7=+) 13...Ne3 14.fe3 Kg7 15.Ng5 (15.a3 f5+=) 15...Rae8= 16.a3 (16.b5 d5=) 16...d5 17.bc5 (17.Qc2 f6 18.Nf3 de4 19.de4 e5=) 17...bc5 (17...Qc5 18.d4 Qe7 19.Nh3=+) 18.Qb3 (18.Rb1 f6 19.ed5 ed5=) 18...d4 (18...f6 19.ed5 ed5 20.cd5 fg5 21.Rf8 Rf8 22.d6 Qd6 23.Bb7=) 19.ed4 (19.Rab1 Bc6=) 19...cd4 20.c5 h6 21.Nf3 e5 22.Rac1 Bc6 23.Nh4 Rb8-/+ 24.Qd1 Qd8 25.Bh3 Nf6 26.Nf3 Qe7=+ 27.Qc2 Rb7 28.Nd2 Rc7 29.Qc4 Nh7 30.Nf3 Rb8 31.Rf2 Ng5 32.Ng5 hg5 33.a4 Be8 34.Bg4 a5 35.Bd1 Rbc8 36.Rfc2 Bd7 37.Be2 Kg8 38.Kg2 Kg7 39.Kg1-/+ Kf8 40.Bd1 Kg8 41.Qb3 (41.Qa2 Be6 (< 41...Rc5 42.Rc5 Rc5 43.Qa3 Rc1 44.Qe7 Rd1 45.Kf2 Ba4 46.Qd8 Kh7 47.Qa5+/-) 42.Qa3 g4=+) ½–½. Smyslov,Vasili – Botvinnik,Mikhail, Moscow Wch–m (23), 1958.

5.Bg2 Bg7 6.d3 Nc6 7.a3 e6 8.Nbd2 Qe7 9.0-0 0-0-0 10.Qc1 h5 11.c4 Rdg8 12.Nb3 Ng4 13.Bg7 Rg7 14.b5 Nb8 15.a4 f5 16.a5 d5 17.Qc3 Nf6 18.ab6 ab6 19.Ne5 Rgg8 20.Nc6 Qg7 21.Nb8 Kb8 22.cd5 Nd5 23.Qg7 Rg7 24.Nd4 Nc3 25.Rfe1 e5 26.Nc6 Kc8 27.Ne5 Nb5 28.Bb7 Kb7 29.Nc4 Ra8 30.Rab1 g5 31.Rb5 h4 32.Rf5 hg3 33.hg3 Rh8 34.Kg2 Rgh7 35.Rg5 Rh2 36.Kf3 Rf8 37.Kg4 Rhf2 38.Ne5 Rf1 39.Rf1 Rf1 40.Nf3 Rf2 41.Re5 Kc6 42.Kf4 Kd6 43.Ke3 Rf1 44.Re4 c5 45.g4 b5 46.g5 b4 47.Nd2 Rg1 48.Nf3 Rg2?? 49.Kd2 b3 50.Kc3 Rf2 51.Kb3 Rf1 52.Kc4 1–0. linakip – kosaek10, kurnik, 2011.

5.Bg2 Bg7 6.d3 Nc6 7.b5 Na5 8.Nc3 e6 9.0-0 Qe7 10.Qd2 0-0-0 11.Na4+/- d5 12.Rab1 h5 13.Qf4 Rdg8 14.Bc3 Nd7 15.Bb4 Qf6 16.Qd2 Bh6 17.Qe1 g5 18.Bc3 e5 19.Ba5 ba5 20.Qa5 h4 21.Qa7 hg3? 22.fg3 Qd6 23.Nd2 f6 24.Nb3 g4 25.Na5 Nc5 26.Nc5 Be3 27.Kh1 Bc5 28.Qb7 Kd7 29.Bd5 Rb8 30.Nc4 Rb7 31.Nd6 Ra7 32.Ne4 Bb6 33.Kg2 Ke7 34.Rf6 Rd8 35.Rf7 Ke8 36.Nf6 1–0. pierret@chesscube.com – chinu1234@chesscube.com (1840), ChessCube Game, 2011.

5.Bg2 Bg7 6.d3 d5 7.Nbd2 0-0 8.0-0 Na6 9.Rb1 c5 10.bc5 Nc5 11.c4 dc4 12.Nc4 Qd5 13.a4 Rac8 14.a5 ba5 15.Ba3 Ba6 16.Na5 Nce4 17.de4+= Qa5 18.Be7 Rfe8 19.Bb4 Qb5 20.e5 Ng4 21.e6 fe6 22.Nd4 Qh5 23.h3+= Nf2 24.Rf2+/- Red8 25.e3 Qd1+= 26.Rd1 e5 27.Ra1 ed4 28.Ra6 Rc4? 29.Bd6+- Rc3?! 30.Bd5 Kh8 31.e4 d3 32.e5 Rc1 33.Kg2 Rdc8 34.Ra3 1–0. Stein,Leonid – Wade,Robert, Tallinn, 1971.

3.Nf3 d6

4.a3 Bg7 5.e3 e5 6.Be2 0-0 7.0-0. purplepeace (2100) – ludger, net–chess.com, 2006.

4.c4 e5 5.e3 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 g6 5.Nf3).

4.c4 Be6 5.e3 Bg7 6.Be2 b6 7.d3 0-0 8.0-0 c6 9.Nbd2 a5 10.a3 d5 11.d4 dc4 12.Bc4 Bc4 13.Nc4 Na6 14.Qb3 ab4 15.ab4 b5 16.Nce5 Qd6 17.Bc3 Nd5 18.Nd3 Nac7 19.Bd2 Ne6 20.Ra5 Nb6 21.Rfa1 Ra5 22.Ra5?! Nc4 23.Ra6 Nc7 24.Ra7 Nd5 25.e4 Nd2 26.Nd2 Nf4 27.Nf4 Qf4 28.Ra2 Bd4 29.Qf3 Qd6 30.Qb3 c5 31.bc5 Qc5 32.Kf1 Bf2 33.Qc2 Qc2 34.Rc2 Bb6 35.Rb2 Bc7 36.h3 Rb8 37.Ke2 Be5 38.Rb3 b4 39.Nc4 Bc3 40.Na3 e6 41.Nc2 Kg7 42.Ne3 Rd8 43.g4 Rd2 44.Kf3 Rh2 45.Kg3 Be5 46.Kh4 g5 47.Kg5 Rh3?? 48.Nf5 ef5 49.Rh3 fg4 50.Kg4 Bc3 51.Kf5 h6 52.Rg3 Kh7 53.e5! Kh8 54.Kf6 Bd4 55.Rh3 Kh7 56.Kf7! Be5 ½–½. Trokenheim – prezes, itsyourturn.com, 2000.

4.d4 Nd5 5.e4 Nb4 6.d5=.

4.e3 e5 5.Nc3=.

4.e3 Bg4 5.h3 Bf3 (5...Be6 6.Ng5=) 6.Qf3+= Nc6 (better is 6...c6!?+=) 7.Ba6! ba6?? (better is 7...Qc8 8.Bf6 ef6+/-) 8.Qc6+- Nd7 9.Bh8 f6 10.Qd5 Nb6 (10...e5 11.Nc3 f5 12.Qc6+-) 11.Qg8 Qd7 (11...Qc8 12.Qh7 Qf5 13.d3+-) 12.Bg7 0-0-0 13.Bf8 Na4 (13...e6 14.Nc3+-) 14.Qf7 Re8 (14...Qe8 15.Qe6 Kb8 16.Bh6+-) 15.Bh6 Nb2 (15...Qc6 16.Na3+-) 16.Qh7 Qc6 (16...Qf5 17.d3+-) 17.Qg6 Qc2 18.Qc2 Rh8 19.Bf4 e5 20.Bg3 Kd7 21.Qb2 c6 22.Nc3 (better is 22.Qa3 Rb8+-) 22...d5 23.d4 (23.Qa3 Rb8+-) 23...ed4 24.Nd5! cd5 25.Qd4 Kc6 26.Rc1 Kb5 (26...Kd7 27.Qd5 Ke8 28.Qb7 Rh3 29.Rc8) 27.Qc5 Ka4 28.Qa5 1–0. michaelbuss (2790) – nbilli, ChessWorld.net, 2011.

4.e3 Bg7 5.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 d6 5.e3).

4.d4 Bg7

5.e3 a6 6.c4 c6 (6...0-0 7.Bd3=) 7.a4 (7.Bd3 Qb6+=) 7...0-0 (7...a5 8.b5=) 8.Nbd2 (8.Bd3 a5=) 8...Bf5 (8...a5 9.b5=) 9.Nb3 (9.a5 c5=) 9...Nbd7 (9...Ne4 10.Bd3 Qb6 11.b5 ab5 12.cb5 cb5 13.g4 Bg4 14.Be4 ba4 15.Ra2=) 10.Bd3 Bg4 (10...Qb6 11.Bc3=) 11.h3+= Bf3 12.Qf3 e5 13.0-0 Re8 (13...ed4 14.Bd4 Ne5 15.Qe2+=) 14.Qd1 (14.de5 Ne5 15.Be5 Re5+=) 14...e4 (14...d5 15.a5+=) 15.Be2+= d5 16.Nd2 (16.c5 Qe7+=) 16...Nf8 (16...dc4 17.Nc4 Qe7 18.Ba3=) 17.Qb3 Ne6 18.b5 (18.Rac1 a5+=) 18...ab5 (18...c5 19.a5=) 19.ab5+= Rb8 (19...Ra1 20.Ra1 c5 21.cd5 Nd5 22.Rd1 cd4 23.Ne4+=) 20.Rfc1 (20.Ra7 c5 21.Rfa1 cd4 22.Bd4 Nd4 23.ed4 Bh6+=) 20...Qd7 21.cd5 (better is 21.Ra7+/-) 21...Nd5 22.Ne4+- Nec7 23.Nc5 Qd6 24.Ra7 Nb5 25.Bb5 cb5 26.Qb5 b6 27.Nb7 Qe6 28.Rc6 Qe4?? 29.Nd6 Qb1 30.Rc1 Qc1 31.Bc1 Nc3 32.Qd7 Rf8 33.Nf7 Ne2 34.Kh2 Nc1 35.Nh6! (35...Bh6 36.Qh7#) 1–0. Jeschke,Holger – Mueller,Andreas, Schleswig Holstein–chA, 1994.

5.e3 Nd5 6.a3=.

4.e4

4.e4 (--> 3.e4 d6 4.Nf3).

4.e4 Bg7 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e4 d6).

3.Nf3 e6

4.a3 Bg7 5.e3 0-0 6.c4 d5 7.Nc3 a6 8.Be2 b6 9.0-0 Bb7 10.d4 Nbd7 11.cd5 Nd5 12.Nd5 Bd5 13.Qc2 c6 14.e4 1–0. Wall,Bill – Harnden,Bob, Marysville, CA, 1973.

4.d4 Bb4=+ 5.c3 Bf8 6.Nbd2 Bg7 7.e3 0-0 8.Qb3 d5 9.Bd3 Nbd7 10.0-0 c5 11.Rab1 (better 11.c4!?-/+) 11...c4-+ 12.Bc4 dc4 13.Nc4 Nb6 14.Nce5 Qc7 (14...Ne4 15.Ba3 Re8 16.Qc2-+) 15.a4 (15.Ba3 Rd8 16.Ng5 Rd5-/+) 15...Bd7 (better 15...Nfd7!?-+) 16.a5-/+ Nbd5 (better 16...Nc8 17.Ba3 Nd6 18.Bd6 Qd6 19.Qb7 Rfb8-/+) 17.Rfe1? (17.Ba3 Rfb8 18.c4 Ba4 19.Qa4 Nc3=) 17...a6?? (better 17...Qa5 18.c4 Ba4-+) 18.e4 Nf4 (better 18...Ne7 19.Ba3 Rae8 20.Qb7 Qa5= (worse 20...Qc3 21.Bd6+/-)) 19.d5?? (better 19.Bc1 Nh3 20.gh3 Qa5 21.Bg5=) 19...ed5-+ 20.ed5 N4d5 (20...Bf5 21.Rbd1 Ne4 22.c4-+) 21.Nd7 (21.c4 Bf5 22.cd5 Bb1 23.Rb1 Qa5-+) 21...Qd7 (21...Nd7?! 22.Qd5 Rae8 23.Ba3 Re1 24.Re1=) 22.Ne5 Qc7 23.Ba3? (23.c4 Nf4 24.Qf3-+) 23...Rfe8 24.c4 Re5 25.Re5 Qe5 26.cd5 Qd5 (26...Re8 27.h3 Nd5 28.Bb2-+) 27.Qb4 (27.Qb7 Qb7 28.Rb7 Rd8-+) 27...Bf8 28.Qb2 Ba3 29.Qa3 Ne4 30.Qb2 (30.h3 Rc8 31.Qf3 Rc3-+) 30...Qc5 31.Rf1 Qa5 32.Qb7 Re8 33.h3 Qb5 34.Qc7 a5 35.Qf4 a4 36.Qc1 Qb3 37.Qa1 (37.Re1 Re6-+) 37...a3 38.Re1 Qb2 39.f3 Qa1 (better 39...Nd6 40.Rb1 Qa1 41.Ra1-+) 40.Ra1 Ng3 (40...Nd2 41.Ra3 Re2 42.Ra8 Kg7 43.f4-+) 41.Ra3 (41.Kf2 Ne2 42.Ra3 g5-+) 41...h5 42.Kf2 h4 43.Ra4 (43.Ra2 f5-+) 43...Re2 44.Kg1 Re1 (better 44...Nf5!? 45.Re4 Ne3 46.Rh4 Rg2 47.Kh1-+) 45.Kf2 Rf1 (45...Rf1 46.Ke3 Nf5 47.Ke2 Rb1-+) 0-1. alessandrocarvalhaes (1905) - nozhevsky (2230), lichess.org, 2020.

4.g4 Bb4 5.g5 Be7 6.gf6 Bf6 7.Bf6 Qf6 8.Nc3+-.

4.g4 h6 5.b5 d6 6.h3 e5 7.Bg2 Be7 8.c4 e4 (8...a6!?=) 9.Nd4 d5 10.Nc3 c6 (10...dc4 A) 11.Be4? Qd4 12.Qc2 Qd6-+ (12...Ne4 13.Ne4 Qd5 14.Bh8+/-); B) 11.Ne4 Ne4 12.Be4=) 11.cd5+/- cd5 12.d3 Bb4 13.0-0 h5 (13...Qe7 14.Qb3+/-) 14.g5 Bc3 15.Bc3 Nh7 16.h4 0-0 17.de4 de4 18.Be4 (better is 18.Qd2+-) 18...Bh3?? (better is 18...Ng5 19.Qc2 Nh3 20.Kh2 Re8=) 19.Bg2 (better is 19.Bb7 Bf1 20.Ba8+-) 19...Qd7 20.e3 Rc8 21.Bb2 Rc4 (21...Bg2 22.Kg2 a6 23.a4+/-) 22.Qf3 Bg4?? (better is 22...Bg2 23.Qg2 a6+-) 23.Qb7 Bh3 (23...Qb7 24.Bb7 a6 25.Ba8 ab5 26.Rfc1+-) 24.Qa8 Nf8 (24...Bg2 25.Qg2 Rb4 26.Rab1+-) 25.Qd5 (better is 25.Qb8 Bg2 26.Kg2 Rc8+-) 25...Qg4 (25...Qd5 26.Bd5 (26.Bh3?! Qe4+-) 26...Bf1 27.Kf1+-) 26.Qf3 (26.Rac1 Rc1 27.Rc1 Bg2 28.Qg2 Qh4+-) 26...Qf3 27.Nf3 Rg4 28.Ne1 Rh4 29.Bh3 Rh3 30.Kg2 Rh4 31.f4 Ne6 32.Nf3 Rg4 33.Kh3 Nd7 34.Nh2 Ng5 35.fg5 Rg5 36.a4 (36.Rac1 f6 37.Rfd1 Nf8+-) 36...Nc5 (36...Rc5 37.Bd4 Rc7 38.Rac1 Rc1 39.Rc1+-) 37.Bd4 (37.Rac1 Rd5+-) 37...Ne4 38.Rf3 (better is 38.Nf3!? Rd5+-) 38...Rd5 39.Ba7 Ng5 40.Kg3 Nf3 41.Nf3 g5 (41...f6 42.b6 Rd7 43.Rc1 h4 44.Kh2+-) 42.Bd4 (42.b6 Rd7+-) 42...h4 (42...g4 43.Ne5 f6 44.Nc6+-) 43.Kg2 (43.Kg4 Kf8+-) 43...Rf5 (43...Kf8 44.b6 Rd7 45.Ng5+-) 44.b6 Rd5 45.a5 (better is 45.b7 Rd8 46.Rc1 Kh7+-) 45...Kf8 46.b7 Rd8 47.a6 Ke8 48.a7 Kd7 49.b8Q Rb8 (49...Rf8 50.Qb7 Ke6 51.Qc6 Kf5 52.Ra5 Kg4 53.Rg5) 50.ab8Q h3 (50...Ke6 51.Qe5 Kd7 52.Ra7 Kc6 53.Rc7) 51.Kf2 h2 (51...f6 52.Qb7 Ke6 53.e4 g4 54.Ra6) 52.Ra7 Ke6 (52...Kc6 53.Qb7 Kd6 54.Qd7) 53.Qe5 1–0. phildo (1840) – reversetrick, gameknot.com, 2013.

4.a3 d5

5.e3 a5 6.b5 Bd6 7.c4 0-0 8.d4 c6 9.c5 Be7 10.b6 Nbd7 11.Nbd2 e5 ½–½. LostInSpace – PostModernist, ICS, 2000.

5.e3 c5 6.c4 dc4 7.Bc4 cb4 8.ab4 a6 9.0-0 Nbd7 10.Qb3 Nb6 11.Nc3 Nc4 12.Qc4 Bd7 13.Ne4 Be7 14.Qd4 Ne4 15.Qh8 Bf8 16.Bg7 Qe7 17.d3 Nd6 18.Bf6 1–0. Pavlovic – Bogosavljevic, 1980.

5.e3 c5 6.Ne5 cb4 7.Bb5+- Bd7 8.Nd7 Nbd7 9.Qf3 Bg7 10.Bd7 Kd7 11.ab4 Qe7 12.0-0 Rhc8 13.Rc1 Ke8 14.b5 a6 15.ba6 Ra6 16.Ra6 ba6 17.Ba3 Qc7 18.Qe2 Qb6 19.Qd1 Bf8 20.Qf3 Ba3 21.Na3 Ne4 22.Qd1 Qb2 23.Nb1 a5 24.f3 Nd6 25.Nc3 Qb6 26.Ne2 Kf8 27.Ra1 Nc4 28.Rb1 Qa7 29.Ra1 a4 30.Qe1 a3 31.Nd4 e5 32.Nb3 Kg8 33.Qf2 f6 34.f4 e4 35.Qg3 a2 36.f5 Ne5 37.fg6 hg6 38.Qf4 Qa6 39.Nd4 Rb8 40.Nb3 Rb6 41.Qf2 Qa3 42.Qe2?? Qb2-+ 43.Qd1 d4! 44.d3 ed3 (45.Ra2 Qa2-+) 0–1. Marre – pasdar, zagraj.pl, 2003.

5.e3 c5 6.Ne5 Rg8!?+=.

4.d3 Bb4=+

4.g3 Bb4

3.f4 Bg7

4.d3 0-0 5.e4 a5 6.e5 (6.ba5!? Ra5 7.Be2=) 6...Nd5-/+ 7.b5 c6 (7...Nf4 8.Qd2 Ne6 9.d4-/+) 8.Nf3 (8.Qf3!?=+) 8...cb5 9.c4 (9.Qd2 d6-/+) 9...Nf4 10.cb5 Qb6 11.Qd2 Nd5 12.d4 d6 13.Nc3 Nc3 14.Qc3 Nd7 (14...Be6 15.Be2-/+) 15.Bc4 de5 16.de5 Nc5 17.0-0? (better 17.Qe3!? Be6 18.Be2-/+) 17...Be6 (better 17...Nb3! 18.Kh1 Na1-+) 18.Kh1=+ Rac8 19.Be6 Ne6 (19...fe6?! 20.Qc4=) 20.Qe1 (20.Qb3 Rfd8-/+) 20...Rfd8 (20...Qb5 21.Rb1 Qd5 22.Rf2-+) 21.Rc1 (better 21.a4!?-/+) 21...Qb5-+ 22.Rc8 Rc8 23.Ba3 Qd7 (23...Rc2 24.Be7 Ra2 25.Bd6-+) 24.Bc1 (24.Qa5 Rc2 25.Bb4 h6-/+) 24...Rc2 (24...Qd3 25.Bg5 Rc2 26.Be7 Ra2 27.Bd6-+) 25.a3 (25.Qa5!? Qd3 26.Rg1 Qa6-/+) 25...b6 26.Bd2 Nd4 27.Be3? (27.Nd4 Qd4 28.Bf4 Qd5-+) 27...Nf3 (27...Re2!? 28.Qc1 Qg4 29.Ne1 Be5 30.Bd4 Bd4 31.Qc7-+) 28.Rf3 Be5 29.Bf4 (29.Bb6 Qd2 30.Qd2 Rd2 31.Kg1-+) 29...Bf4 30.Rf4 Rd2 (30...Qd6!? 31.Rf1-+) 31.Rf1 b5 32.Qf2 (32.Rg1 b4 33.ab4 ab4-+) 32...e6 (32...Rf2 33.Rg1 Qg4 34.a4 b4 35.g3 Qf3 36.Rg2 Qg2) 33.Qf4 b4! 34.h3? (34.ab4 Rd4 Double attack (34...Rd4 Decoy; 34...ab4 Passed pawn)) 34...b3 (better 34...Rd1 35.Qb8 Qd8 36.Qd8 Rd8 37.ab4 ab4-+) 35.Qb8 Kg7 (35...Qd8 36.Qb3 Qd5 37.Qg3-+) 36.Qb3? (36.Qe5 Kf8 37.Qh8 Ke7 38.Qf6 Kd6 39.Qf4 Kc5 40.Qe3 Qd4 41.Qb3-+) 36...Qd5 37.Qc3 e5 38.Re1?? (38.Rf3 a4-+) 38...f6 (38...Qg2) 39.Rg1 Rd4 (better 39...Rd3 40.Qc7 Qd7 41.Qc2-+) 40.Qf3? (40.Qc7 Kh6 41.Kh2-+) 40...a4 (40...Qf3!? 41.gf3 Rd3 42.Kg2 Ra3 43.Kf2-+) 41.Qd5 Rd5 42.Rb1 Rd3 43.Ra1 Rb3 44.Kh2 f5 45.Ra2 Kf6 46.h4 (46.Kg1 e4-+) 46...h6 47.g3 g5 48.Kh3 (48.Rd2 Ra3 49.Rd6 Kg7-+) 48...f4 49.hg5 hg5 50.Kh2 Rg3 51.Rb2 (51.Kh1 e4-+) 51...Kf5 (51...Ra3 52.Rb8-+) 52.Rb6 (52.Ra2 g4 53.Rd2 Ra3-+) 52...Ra3 53.Rb8 Kg4 54.Rf8 (54.Rb2-+) 54...Ra2 55.Kg1 a3 56.Rc8 Re2 (56...Kg3 57.Rc1 f3 58.Rb1 e4 59.Rc1 e3 60.Rb1 Rg2 61.Kf1 Kh2 62.Rb2 ab2 63.Ke1 b1Q) 57.Rc3 e4 Black prepares f3 (better 57...a2 58.Ra3 Re1 59.Kf2-+) 58.Rc1 f3 59.Kf1 Kf4 60.Rc4 g4 (60...a2 61.Ra4 g4 62.Ra5 g3 63.Ra2 g2 64.Kg1 Re1 65.Kf2 g1Q) 61.Rc8 (61.Rb4 a2 62.Ra4 g3 63.Ra2 g2 64.Kg1 Re1 65.Kf2 g1Q) 61...Ke3 (61...g3 62.Rf8 Ke3 63.Rf4 g2 64.Kg1 Re1 65.Kh2 Rh1 66.Kg3 g1Q) 62.Rf8 Rb2 63.Rb8 (63.Rf3 gf3 64.Kg1 a2 65.Kf1 a1Q) 63...Rb1! 64.Rb1 a2 (better 64...g3!? 65.Ra1 g2 66.Kg1 Kd4 67.Ra3 e3-/+) 65.Ra1-/+ g3 66.Ra2 g2 (66...g2 67.Kg1 Kd4=+) 0-1. RXERXERXE (1965) - almasssss (2240), Hourly Bullet Arena, lichess.org, 2020.

4.e3 0-0 5.Nf3 d5 6.c4 Be6 7.c5 a6 8.Be2 b5 9.cb6 cb6 10.d3 Nc6 11.a3 Ng4 12.Bg7 Ne3 13.Qd2 Ng2 14.Kf1 Bh3 15.Ng5 Qd7 16.Bf8 Nd4 17.Nc3 Nb3 18.Qb2 Na1 19.Nd5 Ne3 20.Kf2 Nf5 21.Ne7 Kf8 22.Nf5 Qf5 23.Qh8 Ke7 24.Qa8 Qf4 25.Qf3 Qh4 26.Qg3 Qd4 27.Qe3 Qe3 1–0. Meybohm – Zylla, corr 1991.

4.e3 d5 5.Nf3 e6 6.Be2 0-0 (--> 3.e3 Bg7 4.f4 0-0 5.Nf3 d5 6.Be2 e6).

4.e4 d5 5.ed5 Qd5=+.

4.Nf3 a5 5.b5 a4 6.a3 b6 7.e3 d6 8.Be2 Bd7 9.0-0 0-0 10.c4 d5 11.Nc3 dc4 12.Bc4 Qe8 13.Qe2 Ng4 14.h3 Nh6 15.Ne5 Nf5 16.Nd5 Ra7 17.Rac1 Ng3 18.Qd3 Nf1 19.Kf1 e6 20.Nb4 Be5 21.Be5 c5 22.bc6 Nc6 23.Bf6 Nb4 24.ab4 b5 25.Ba2 Bc6 26.Qe2 h5 27.Qf2 Kh7 28.Qh4 Rg8?? 29.Bb1+- a3?? 30.Qh5# 1–0. lllllll21 (1745) – mitica00 (1810), kurnik, 2011.

4.Nf3 b5 5.e3 c6 6.c4 a6 7.a4 Bb7 8.ab5 cb5 9.cb5 ab5 10.Ra8 Ba8 11.Bb5 Qb6 12.Qa4 Be4 13.Nc3 Bf3 14.gf3 0-0 15.Ne4 d5 16.Bd4 Qe6 17.Nc5 Qh3 18.Kf2 Qh4 19.Ke2 Qh3 20.Kf2 Qh4 21.Kg2 g5 22.fg5 Qg5 23.Kf2 Qh4 24.Ke2 Nh5 25.Bg7 Kg7 26.Rg1 Kh8 27.Qa1 f6 28.Rg2?? Qh3?? 29.Kf2?? Rg8?? 30.Qg1?? Rg2= 31.Qg2 Qh4 32.Ke2 Qb4 33.Qh3?? Qb5-+ 34.Nd3 Qe8 35.Qe6 d4! 36.e4 Ng7 37.Qb6 e5 38.Nc5 Nc6 39.Qb5 Qc8 40.Nd3 Ne6 41.Qd5 Ncd8 42.Qd6 Qc7 43.Qd5 Kg7 44.h4 Qc6 45.Qc6 Nc6 46.h5 Nf4 47.Nf4 ef4 (47...ef4 48.Ke1 Kh6-+) 0–1. lllllll21 (1750) – mitica00 (1805), kurnik, 2011.

4.Nf3 c5 5.b5 d5+= 6.e3 0-0 7.Be2 a6 8.a4 Nbd7 9.0-0= c4 10.Ne5 Ne5+= 11.Be5 ab5 12.ab5 Ra1 13.Ba1 Qb6 14.Na3 Qc5 15.Qc1+= Ne4 16.Bg7 Kg7 17.d4 Qb4+= 18.Bf3 Nd2=. Allen – Soltis,Andrew, New York, 1967.

4.Nf3 0-0

5.b5 d5 6.e3 Bg4 7.Be2 e6 8.Ne5 Be2 9.Qe2 Nfd7 10.0-0 Ne5 11.fe5 Nd7 12.d4 c6 13.c4 cb5 14.cb5 Rc8 15.a4 Qa5 16.Ba3 Rfe8 17.Bd6 Nb6 18.Nd2 Nc4 19.Nc4 Rc4 20.Rfc1 Rec8 21.Qb2 Rc1 22.Rc1 Rc1 23.Qc1 Qd8 24.Qc7 Qc7 25.Bc7 Bf8 26.Bd8 Bb4 27.Kf2 Kf8 28.Bf6 Ke8 29.Kg3 h5 30.Kh4 a6 31.g4 hg4 32.Kg4 ab5 33.ab5 Bd2 34.Kf3 Kd7 35.h4 Kc7 36.Bg5 Kb6 37.Kg4 Kb5 38.h5 gh5 39.Kh5 Kc6 40.Kh6 Kd7 41.Kg7 Ke8 42.Kf6 b5 43.Bf4 b4 0–1. aniabielak – esa66, kurnik, 2012.

5.g3 a5 6.b5+= c5 (6...d5 7.Bg2+=) 7.c4 d5 8.Na3 d4 9.Bg2 Nbd7 10.0-0 Qc7 (10...Nb6!?=) 11.e3+= e5 (11...de3 12.de3 Rd8 13.Qc2+=) 12.fe5 Ne5 13.ed4 (13.Ne5 Qe5 14.Qf3 Ng4 15.ed4 cd4+=) 13...Nd3 14.Bc3 Ne4 (14...Re8 15.d5+=) 15.Qe2 Nc3 (15...cd4 A) worse is 16.Qe4 Bf5 17.b6 Qc8-+ (17...Be4 18.bc7 dc3 19.dc3+=); B) worse is 16.Qd3 Nc5 17.Qe2 Bg4-/+; C) 16.Bd4 Bd4 17.Nd4+/-) 16.dc3 (worse is 16.Qd3 Na4=) 16...Bf5? (better is 16...cd4 17.Qd3 Bf5+/-) 17.Nh4+- Rae8 18.Qd2 Nb4?! (18...Bg4 19.Qd3 Be2 20.Qd2 cd4 21.cd4+-) 19.Rf5 (19.Nf5 gf5 20.Rf5 Qe7+-) 19...gf5 (19...cd4 20.cb4 ab4 21.Qb4 gf5 22.Nf5+-) 20.Nf5 cd4 (20...Kh8 21.Rf1 cd4 22.cb4+-) 21.Ng7 Re3 (21...Kg7 22.cb4 ab4 23.Qd4 Qe5 24.Nc2 Qd4 25.Nd4+-) 22.Qd4 (better is 22.Nf5 Qe5 23.cd4 Qf5 24.Qe3+-) 22...Qe7 (22...Rd3 23.Qf6 Rd6+-) 23.Nf5 Re1 24.Re1 Qe1 25.Bf1 f6 26.Qg4 Kf7 27.Qg7 Ke8 28.Nd6 Kd8 29.Qf8 Kc7 (29...Kd7 30.Qc8 Kd6 31.Qd8 Ke5 32.Qe7 Kf5 33.Qe1 Kg6 34.cb4 Kf7 35.ba5 f5 36.a6 ba6 37.ba6 f4 38.a7 fg3 39.a8Q gh2 40.Kh2 Kf6 41.Qh8 Kg5 42.Qh7 Kf4 43.Qg3) 30.Qc8 Kd6 31.Qd8 Kc5 32.Qd4 1–0. Jaramillo,Carlos Orlando (1940) – Pelaez,Hernan, 10th Open Feria De Cali Grupo B E, 2008. (=1.f4 Nf6 2.b4 g6 3.Bb2 Bg7)

5.g3 d5 6.Bg2-/+.

5.e3

5.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.f4 0-0 5.Nf3).

4.Nf3 c6

5.e3 Qb6 6.a3 a5 7.c4 ab4 8.c5 Qc7 9.ab4 Ra1 10.Ba1 0-0 11.Nc3 d6 12.cd6 ed6 13.Be2 Nbd7 14.0-0 Re8 15.Qe1 Qb6 16.b5 Nc5 17.Kh1 Bf5 18.Qh4 Bd3 19.Bd3 Nd3 20.f5 Qc5 21.fg6 hg6 22.Ng5 Re5 23.Nf3 Rh5 24.Qa4 cb5 25.Qa8 Kh7 26.Qb7 Qc4 27.Kg1 b4 28.Na4 Rb5 29.Qa6 Ne4? 30.Bg7+/- Kg7 31.Nd4 Nc1 32.h3?? Ne2+= 33.Ne2 Qe2 34.Qa7 Rf5 35.Rf5 gf5 36.Qd4 Kh7 37.d3 Qf2 38.Kh2 Qg3 39.Kg1 Qf2 40.Kh2=+ Qg3 41.Kg1 Nd2 42.Qb4?? Qe1 43.Kh2 Nf1 (43...Nf1 44.Kg1 Qb4 45.Kf1 Qa4-+) 0–1. Koelbaek,Jens – Schmidt,Kristen, Copenhagen, 1982.

5.e3 Qb6 6.a3 a5 7.Bd4 Qd8 8.ba5 Ra5 9.Ra2 d6 10.Rb2 b5 11.c4 Bf5 12.cb5+/- 0-0 13.b6 Nbd7 14.b7 Qc7 15.d3 Rb8 16.e4 Bg4 17.Bc3 Ra7 18.Be2 Nc5 19.Nd4 Rab7 20.Rb7 Qb7 21.0-0 Be2 22.Qe2 Na4 23.Bd2 Qb6-/+ 24.Be3 Ne4! 25.Nc2 Qb5 26.Ba7 Rb7 27.Bd4 Nec5 28.Bg7 Kg7 29.Nb4 Na6 30.Na6 Qa6 31.Nd2 Nb2 32.Rb1 Qa3 33.d4 Rb5 34.Rf1 e6 35.Rf3 Qa4 36.Qe3 Nc4 37.Nc4 Qc4 38.Qd3 Qd5 39.Qc3 Qa2 40.h3 Rb2 41.Rg3 Rc2 42.Qb4? Rc1 43.Kh2 Qf2 44.Rf3 Qg1 45.Kg3 Rc2 46.Kh4 0–1. Crafty 19.01 – Comet B25, 2004.

4.Nf3 d5

5.e3 0-0 6.Nc3 Bg4 7.h3 Bf5 8.Nd4 Qd7 9.Nf5 Qf5 10.Bd3 Qe6 11.0-0 Qd6 12.Nb5 Qd7 13.c4 Na6 14.a3 c6 15.Nd4 c5 16.Nc2 cb4 17.ab4+= Nc7 18.c5 Rfe8 19.Nd4 a6 20.Qa4 e5 21.fe5+/- Qa4 22.Ra4 Nd7 23.Nf3 Ne5 24.Ne5 Be5 25.Be5 Re5 26.b5 Kg7 27.ba6 ba6+= 28.Rb4 Rc8 29.Rb7 Re6 30.g3+= Rc6 31.Ra1 Rc5 32.Ba6 Rc2=+ 33.d4 Na6 34.Ra6 Re2 35.Ra1 Rcc2=+ 36.Kf1 Rh2-+ 37.Kg1 Rh3 38.Ra3 Rg3 39.Kh1 Rf3 40.Kg1 Rcf2 41.Raa7 h5 42.Re7 Re2 43.Red7 Rf5 44.Re7 Rff2 45.Red7 Rf3 46.Rd5 Rfe3 47.Rdd7 Rf3 48.d5 Rd2 49.Rab7 Rfd3 50.Rf7 Kh6 51.Rb5 Rd5 52.Rd5 Rd5 (53.Re7 Rd2-+) 0–1. RexChess – SuperForte, 1994.

5.e3 Qd6 6.a3 a5 7.b5 a4 8.c4 b6 9.cd5 Qd5 10.Nc3 Qd7 11.Be2 Bb7 12.Ne5 Qd8 13.Bf3 Bf3 14.Qf3 Ra7 15.0-0 0-0 16.d4 Nfd7 17.Nc6 Nc6 18.bc6 Nf6 19.Nb5 Ra8 20.Rfd1 e6 21.Rac1 Ne8 22.e4 Nd6 23.Nd6 Qd6 24.e5 Qd5 25.Qd5 ed5 26.f5 gf5 27.Rf1 Bh6 28.Rce1 f4 29.Rf3 Kh8 30.Bc1 Ra5 31.Bd2 Rb5 32.Bb4 Ra8 33.g3 fg3 34.Rf7 gh2 35.Kh2 Ra7 36.e6 Ra8 37.Rc7?? Bf4-+ 38.Kh3 Bc7 39.e7 Re8 40.Rf1 Rb4! 41.Rf8 Kg7 42.Re8 Rb3 43.Kg4 Bd6?? 44.Rd8 Be7 45.Rd7?? Kf6-+ 46.c7 Rc3 47.Rd5 Rc7 48.Rf5 Kg6 49.Rb5 Ba3 50.Rb6 Kg7 51.Ra6 Bb2 52.Ra4 Rd7 53.Kf5 Bd4 54.Ra6 Rf7 55.Ke6 Rf6 56.Kd7 Ra6 57.Ke7 h5 58.Kd7 h4 (58...h4 59.Ke8 h3 60.Kd7 h2 61.Kc7 h1Q 62.Kb8 Ra7 63.Kc8 Qa8#) 0–1. lllllll21 – messerschmidt1 (1705), kurnik, 2011.

4.Nf3 d6

5.c4 Nbd7 6.g3 0-0 7.Bg2 c5 8.a3 a6 9.0-0 cb4 10.ab4 Qb6 11.d4 Qb4-/+ 12.Qc2 Ng4 13.Ra4 Ne3 14.Rb4 Nc2 15.Rb3 a5 16.Ne1? Nd4-+ 17.Bd4 Bd4 18.e3 Nc5 19.Ra3 Bg7 20.Nc2 Bd7 21.Nd4 Rfc8 22.Nc3 Bd4 23.ed4-/+ Ne6 24.Bb7 Nd4 25.Ba8 Ra8-/+ 26.Nd5 ½–½. fantom – juanpacio (1720), internet, 2006.

5.e3 0-0 6.Bc4 a5 7.b5 b6 8.0-0 Bb7 9.a4 Nbd7 10.d4 Ne4 11.Nbd2 Ndf6 12.Bd3 Qd7 13.c4 Qg4 14.Qc2 Nd2 15.Qd2 Ne4 16.Qc2 f5 17.d5 Bb2 18.Qb2 Nf6 19.Be2 Bc8 20.Ng5 Qh4 21.g3 Qh6 22.Nf3 Qg7 23.Nd4 Ne4 24.Bf3 Nc5 25.Qd2 h5 26.Rab1 Kh7 27.Nc6 Bd7 28.Nd4 Rf6 29.Rbe1 Re8 30.e4 fe4 31.Be4 e5 32.de6 Be6 33.Bc6 Re7 34.f5 Bf5 35.Nf5 gf5 36.Qc2 Qf7 37.Re7 Qe7 38.Rf5 Rf5 39.Qf5 Kg7 40.Qh5 Qe3 41.Kg2 Qe2 (41...Qe2 42.Qe2 Kf6+-). lllllll21 (1645) – krajaro (1760), kurnik, 2012.

5.e3 0-0 6.Be2 Nbd7 7.0-0 c5 8.a3 b6 9.c4 Bb7 10.Nc3 Qc7 11.Nb5 Qc8 12.d4 a6 13.Nc3 cd4 14.Nd4 Ne8 15.Bf3 Bf3 16.Qf3 e5 17.Nc6 Kh8 18.Nd5?? Qc6-+ 19.fe5 Ne5 20.Be5 Be5 21.Qg4 Ba1 22.Ra1 Qc4 23.Qc4+- Ng7 24.Nf6 Rac8 25.Qd4 Ne6 26.Qb2 Rfd8 27.Rd1 Kg7 28.g4 Ng5 29.Nh5 Kf8 30.Qg7 Ke8 31.Nf6 Ke7 32.Ne4 Ne4 33.Rd4?? Rc1 34.Kg2 Nf6?? 35.g5 Nd7 36.Re4 Ne5 37.Qf6 Ke8 38.Qh8 Ke7 39.Qf6 Ke8 40.h4 Rc2 41.Kg3 Rc3?? 42.Re5+- de5 43.Qe5 Kf8 44.Qc3 1–0. lllllll21 (1720) – marjan964, kurnik, 2011.

5.e3 b6 6.Bc4 e6 7.0-0 Bb7 8.Qe1 Nbd7 9.Qh4 0-0 10.g4 Ne4 11.Qd8 Rad8 12.Bg7 Kg7 13.d3 Nef6 14.g5 Ng4 15.e4 Ne3 16.Rf2 Nc4 17.dc4 d5 18.cd5 ed5 19.e5 c5 20.b5 d4 21.Nbd2 Rfe8 22.Nc4 Nf8 23.h4 Ne6 24.Nd6 Re7 25.Nd2 Bd5 26.a4 Nc7 27.Re1?? Ne8?? 28.N2c4?? Bc4 29.Nc4+= d3 30.Rd2 Red7 31.Ne3 Nc7 32.f5 dc2 33.f6 Kf8 34.Rd7 Rd7 35.Nc2 Rd2 36.Ne3 Ke8 37.Nc4 Rd4 38.Nd6 Kf8 39.Ne4 Ra4 40.Nc3 Ra3 41.Ne4 Ra4 42.Kg2?? Nb5-+ 43.Kg3 Nc7 44.Kh3 Ra3 45.Kg4 Ra4 46.Kf3?? Rd4 47.Nd6 a5 48.Nb5?? Rd3 49.Ke4=+ Rb3?? 50.Nc7+- Rb4 51.Kd5 Rd4 52.Kc6 c4 53.e6 fe6 (53...fe6 54.Ne6 Kg8 55.Nd4 Kf7 56.Re7 Kg8 57.Ne6 b5 58.f7 Kh8 59.f8Q#) 1–0. lllllll21 (1630) – bkruhlik, kurnik, 2012.

5.e3 Nc6 6.b5 Nb4 7.a3 Nbd5 8.c4 Nb6 9.Nc3 Bf5 10.a4 a5 11.Be2 0-0 12.0-0 c5 13.d4 Ne4 14.Ne4 Be4 15.Ng5 Bf5 16.e4 Bd7 17.e5 h6 18.Ne4 Bf5 19.Ng3 cd4 20.Nf5 gf5 21.Bd4 de5 22.Be5 Be5 23.fe5 Qd1 24.Rad1 Rfd8 25.Rf5 Rd1 26.Bd1 Nc4 27.Bb3 Nd2?? 28.Bf7+- Kg7 29.e6 Ne4 30.Rf4 Ng5 31.h4 Nh7 32.Rd4 Nf6 33.g4 Rc8 34.g5 hg5 35.hg5 Nh7 36.Rd7 Ng5 37.Re7 b6 38.Rb7 Kf6 39.Rb6 Rc2 40.Bh5 Ke7 41.Bg4 Rc4 42.Bf5 Ra4?? 43.Rb7+- Ke8 44.Bg6 Kd8 45.e7 Kc8 46.e8Q Kb7 47.Qc6 Kb8 48.Qd6 Ka7 49.Qc5 Kb8 50.Qg5 Ra1 51.Kf2 Ra2 52.Kf3 Ra3 53.Kg4 Ra4 54.Kh5 Rb4 55.Qe5 Kc8 56.Bf5 Kb7 57.Qd5 Kb6 58.Qc6 Ka7 59.Be4 Re4 60.Qe4 Kb6 61.Qc6 Ka7 62.b6 Ka6 63.b7 Ka7 64.Qc7 a4 65.b8Q Ka6 66.Qbb6# 1–0. lllllll21 – krakenisko, kurnik, 2012.

5.e3 Nc6 6.b5 Nb8 7.Be2 0-0 8.0-0 Nbd7 9.c4 e5 10.fe5 de5 11.Ne5 Ne5 12.Be5 Nh5 13.Bg7 Ng7 14.Nc3 Be6 15.a4 Qe7 16.Qe1 Rad8 17.Rd1 Qb4 18.Qh4 Nf5 19.Qf4 Nd6 20.Nd5 Bd5 21.cd5 Qf4 22.Rf4 Nf5 23.e4 Nd4 24.Bc4 Nc2 25.Rdf1 Na3 26.Bb3 a6 27.Ra1 ab5 28.Ra3 ba4 29.Ra4 Rd7 30.Ra7 b6 31.e5 Re7 32.e6 f5 33.Rc4 Rc8 34.Rc6 Kg7 35.Kf2 Kf6 36.Ke3 Ke5 37.d4 Kf6 38.h4 h6 39.g3 g5 40.hg5 hg5 41.Ra1 Rh7 42.Rac1 f4 43.gf4 Rh3 44.Ke4 Rb3 45.d6 gf4 46.Rc7 Re8 47.e7 Re3 48.Kf4 Re6 49.Rc8 Kf7 50.d7 R8e7 51.d8Q Re4 52.Kf3 Re3+- 53.Kf2 Re2 54.Kf1 R2e6 55.Qf8 Kg6+- 56.Qg8 Kf5 57.Rf8 Ke4 58.Re1 Kd5 59.Qg5 Kc4 (59...Kc4 60.Rc8 Rc7 61.Rc7 Rc6 62.Qc1 Kb3 63.Qb1 Kc4 64.Rc6 Kd4 65.Qe4#) 1–0. lllllll21 – 1spain2 (1670), kurnik, 2011.

5.e3 Bg4 6.Be2 Nc6 7.b5 Nb8 8.0-0 c6 9.c4 Qb6 10.a4 0-0 11.Bd4 c5 12.Bb2 a6 13.a5 Qc7 14.Nc3 Nbd7 15.Qb3 b6 16.ba6 Ra6 17.Nb5 Qd8 18.ab6 Qb6 19.Ra6 Qa6 20.Ra1 Qb6 21.h3 Be6 22.d4 d5 23.Ne5 dc4 24.Bc4 Bc4 25.Qc4 cd4 26.Bd4 Ne5? 27.fe5+- Qb7 28.ef6 ef6 29.Nd6 Qd7 30.Ra6 Rd8 31.Qd5 Bf8 32.Bf6 Rb8?? 33.Be5 Rb1 34.Kh2 Rf1 35.Bf4 Be7 36.Ra8 Bf8+- 37.Bh6 (37.Bh6 Qe7 38.Qd4 Qd6 39.Qd6 Rh1 40.Kh1 f5 41.Rf8#) 1–0. lllllll21 – bradipoepace, kurnik, 2011.

5.e4 0-0=.

4.Nf3 e6

5.e3 d5 6.Be2 Nbd7 7.0-0 c5 8.a3 0-0 9.Ne5 b6 10.Bf3 Bb7 11.c4 Rb8 12.b5 dc4 13.Nc4 Bf3 14.Qf3 Nd5 15.Bg7 Kg7 16.Nc3 N7f6 17.Ne5 Nc3 18.dc3 Qd2 19.Nc6 Ra8 20.c4 a6 21.Rfd1 Qc3 22.Rdc1 Qb3 23.a4 ab5 24.ab5 Ra1 25.Ra1 Qc4 26.Ra7 Qb5 27.Ne5 Qb1 28.Kf2 Qe4 29.Rb7 Qf3 30.gf3 Nd5 31.Ng4 h5 32.Ne5 Kg8 33.Nc4 Ra8 34.Nb6 Ra2 35.Kg3 Ne3 36.Nd7 Nf5 37.Kh3 c4 38.Rc7 Rc2 39.Nf6 Kf8 40.Ne4 Rc1 41.Rc8 Ke7 42.Rc7 Ke8 43.Rc8 Kd7 44.Rf8 Ke7 45.Rc8 Nd6 46.Rc7 Kd8 47.Rc5 Ne4 48.fe4 Kd7 49.Kh4 c3 50.Kg5 c2 51.Kf6 Rf1 52.Rc2 Rf4 53.Ke5 Rf1 54.Rd2 Ke7 55.h4 f6 56.Kd4 Rf4 57.Ke3 Rh4 58.Rc2 g5 59.Rc7 Kd6 60.Ra7 Rh3 61.Kf2 Rh2 62.Kg3 Rb2 63.Kf3 Rb3 64.Kf2 Rb5 65.Kf1 Rb4 66.Ke1 1–0. lllllll21 – sweter2004 (1675), kurnik, 2012.

5.e3 d6 6.Be2 b6 7.0-0 Bb7 8.c4 0-0 9.a4 a6 10.d4 Nbd7 11.h3 h6 12.Nc3 Ne4 13.Ne4 Be4 14.Nd2 Bb7 15.Bf3 d5 16.cd5 ed5 17.Nc4 Nf6 18.Ne5 c6 19.Rc1 Qc8 20.b5 c5 21.Ba3 Nd7 22.dc5 Nc5 23.Bd5 Bd5 24.Qd5 Be5 25.Qe5 Re8 26.Qd4 Qe6 27.Bc5 bc5 28.Qc5 ab5 29.ab5 Rac8 30.Qd4 Red8 31.Qa7 Rc1 32.Rc1 Rd7 33.Qa8 Kh7 34.Qf3 Qb6 35.Rb1 Rb7 36.Qe2 Re7 37.Rb3 h5 38.Kf2 Rc7 39.g4 h4 40.Kf3 Qb7 41.e4 Rc4?? 42.Qc4 Qd7 43.Qd5 Qa7 44.b6 Qe7 45.b7 f5 46.gf5 gf5 47.Qf5 Kh6 48.Qg5! Qg5 49.fg5 Kg5 50.b8Q Kg6 51.Qf4 Kg7 52.Rb7 Kg6 53.Qf7 Kh6 54.Rb6 Kg5 55.Qf5# (55.Qd5#) 1–0. lllllll21 (1640) – maciek123456789x, kurnik, 2012.

3.Bf6 ef6

4.a3 Qf6= 5.c3 (5.d4 e5 6.de5 Qe5=) 5...Qd8 (5...a5 6.b5=+) 6.d4 c5 (6...d5!?=) 7.bc5+/- d6 8.cd6 Qd6 9.e4 Bg7 10.e5 Qd8 11.Bb5 Bd7 12.a4 (12.Bd7 Qd7 13.Nd2 f6 14.ef6 Bf6+/-) 12...Bb5 13.ab5 Qb6 (13...Qd5!?+/-) 14.Qe2 Nd7 15.Nd2 0-0 16.h4 (16.Ngf3 f6 17.ef6 Nf6+-) 16...Rac8 (better 16...f6 17.ef6 Nf6+/-) 17.c4?? (better 17.Rh3+/-) 17...Qd4-/+ 18.Rd1 Qc3 (better 18...Ne5!? 19.Ngf3 Nf3 20.Qf3 Rc5-+) 19.f4=+ Nc5 (19...Nb6 20.Rh3 Qa5 21.Rc1=+) 20.Rh3= Qb4 21.h5 Bh6?? (better 21...Rcd8=) 22.hg6 (22.Rb1 Qa5 23.hg6 Bf4 24.gh7 Kh8+=) 22...Bf4+/- 23.Rh7?? (better 23.gh7 Kh8 24.Ngf3+/-) 23...Bd2 (better 23...Bg3 24.Kf1 fg6 25.Ngf3 Kh7-+) 24.Rd2 (24.Qd2 Nd3 25.Ke2 Qd2 26.Rd2 Ne5 27.Rh4-/+) 24...Qb1 (24...fg6 25.Rh6 Kg7-+) 25.Rd1= Qb4 26.Rd2 Rfd8 (26...fg6 27.Rh6 Kg7-+) 27.Rh8= (27.Rf7 Ne4 28.Nf3 Rd2 29.Nd2 Rc4-+) 27...Kg7 28.Rh7 Kf8 (28...Kg8 29.Rh4 (29.Rf7? Ne4 30.Nf3 Rd2 31.Nd2 Rc4-+) 29...fg6 30.Nf3=) 29.Rf7 (29.Qe3 Qb1 30.Ke2 Rd2 31.Qd2 Qg6 32.Rh8 Kg7 33.Rc8 Qg2 34.Kd1 Qg1 35.Kc2 Qg6 36.Kb2 Nd3 37.Ka3 Ne5+=) 29...Ke8 30.Rf8 (30.Rh7 Qb1 31.Qd1 Qe4 32.Kf1 Rd2 33.Qd2 Qb1 34.Qe1 Qg6 35.Rh8 Kd7 36.Qd2 Nd3 37.Rc8 Kc8+-) 30...Ke7 (30...Kf8 31.Qf3 Kg7 32.Qf7 Kh6 33.Qh7 Kg5 34.Nh3 Kg4 35.Nf2 Kg5 36.Nh3 Kg4 37.Nf2 Kg5 38.Nh3=) 31.Rf7 Ke8 32.Rf8 (32.Rh7!?+/-) 32...Kf8= 33.Qf3 Kg7 34.Qf7 Kh6 35.Qh7 Kg5 36.Nf3 Kf4 37.Qh6 Kg4?? (better 37...Kf5 38.Qh5 Ke4 39.Qh4 Ke3 40.Qg5 Ke4 41.Qh4 Ke3 42.Qg5 Ke4 43.Qh4=) 38.Qh4 (38.Qg5) 38...Kf5 39.Qg5 (39.Qf6 Ke4 40.Ng5 Ke3 41.Qf3) 39...Ke4= 40.Qg4 (40.Qg4 Ke3 41.Qg5 Ke4 42.Qh4 Ke3 43.Qg5 Ke4=) 1-0. mordor1 (2150) - ZMAJ (2015), Rated Bullet game, lichess.org, 2014.

4.a4 Bg7 5.c4 0-0 6.Nc3 f5 7.g3 h5 8.Bg2 d6 9.h4 c6 10.e3 Qb6 11.Rb1 a5 12.b5 Qc7 13.Nge2 Nd7 14.d4 Nb6 15.Qd3 Be6 16.d5 cd5 17.Nd5 (17.cd5 Bd7 18.0-0 Qc4 19.Qc4 Nc4=) 17...Nd5 (17...Bd5 18.Bd5 Na4 19.g4 hg4 20.h5=) 18.Bd5 Bd5 19.Qd5 Rfc8 20.Rc1 b6 (20...Qe7!?=) 21.0-0 Qc5 22.Rfd1 Bf8 23.Nf4 Kg7 24.Qb7 Qc7 25.Qf3 Qc5 26.Nd5 Qa3? (better 26...Ra7+/-) 27.Nb6+- Rab8 28.Nc8 Rc8 29.b6 Qa4 30.Qd5 Rc5 31.Qd4 (better 31.Qa8!? d5+-) 31...Kh7 32.b7 (32.b7 Qe8 33.Rb1+-) 1-0. fireheart92 (2845) - Gahan_MG (2760), Rated Bullet game, lichess.org, 2021.

4.b5 a6 5.ba6 Na6 6.e3 f5 7.Nf3 Bg7 8.d4 Qe7 9.Ba6 Ra6 10.0-0 b6 11.Nbd2 Bb7 12.c3 0-0 13.Qc2 Rfa8 14.Rfb1 d6 15.Rb2 Bc6 16.h3 Bf6 17.Qd3 Be4+= 18.Qc4 Bb7 19.Qd3 Ra3 20.Nb1 R3a4 21.Nbd2 Be4 22.Qe2 Ra3 23.Nb3 Bb7 24.Nfd2 R8a7 25.Nb1 R3a4 26.Qf1 f4 27.ef4 Qe4 28.Nc1 Qf4-/+ 29.Nd3 Qf5 30.Nb4 h5 31.Nc2 Qe6 32.a3 R4a5 33.Qe1? Rg5-+ 34.Ne3 Qh3 35.Qf1 Ra8 36.Rb5 Qd7 37.Rg5-/+ Bg5 38.Nd2 Bf4 39.Qd3 Qe7 40.Ndf1 Ra5 41.d5 Be5 42.Ra2 Qf6 43.c4 Bc8 44.Nd2 Bd7 45.Ndf1 Qh4 46.Re2 Qf4 47.Rd2 h4-+ 48.Re2 Kg7 49.g3 Qg5 50.Ng2 Bf5 51.Qb3 hg3 52.Ng3 Bh3 53.Re1 Bg3 54.Qc3 Be5 55.Qh3 Ra4 56.Qd3 Ra8 57.Qf3 Rh8 58.Re4 Qc1 59.Re1 Qc4 60.Ne3 Qc3 61.Rd1 f5 62.Qg2 Rh5 63.Kf1 f4 64.Ng4 f3 65.Qg1 Qc4 66.Ke1 Qe2 0–1. Novikov,Konstantin (2215) – Zilbert,Oleg (2385), RUS–ch Seniors, 2004.

4.Nc3 Bb4!? 5.Nd5 Ba5-/+.

4.c4 Bg7 5.Nc3 0-0 6.g3 d6 7.Bg2 Re8 8.e3 Nd7 9.Nge2 Nf8 (9...Ne5!?=) 10.0-0+= Rb8 11.d4 Bd7 12.b5 Qc8 13.a4 Bh3 14.a5 Bg2 15.Kg2 f5 16.Nf4 (16.Qd3 Ne6+=) 16...Ne6= 17.Ncd5 (17.Nce2 c5 18.Qd3 cd4 19.ed4 Nf4 20.Nf4 Re4=) 17...Nf4 (17...c6 18.Ne6 fe6 19.Nf4=+) 18.Nf4= (worse 18.ef4 c6 19.Ne3 Qe6=+) 18...Bh6 (18...c5!?=) 19.Nd5+/- Bg7 20.a6 c6 21.ab7 Rb7 22.bc6 Qc6 23.Qa4 Qc8 (23...Rc8!?+/-) 24.Rfb1+- Rf8 (24...Rb1 25.Rb1 Qe6 26.Kg1+-) 25.Rb7 Qb7 26.Qa6 Qb3 27.Qd6 Qc4 28.Ra7 Qe2 (28...Qc2 29.Rd7 Qe4 30.f3+-) 29.Rd7 h5 30.h4 (better 30.Ne7 Kh8 31.h3+-) 30...Kh8? (30...Qc2 31.Rb7+-) 31.Ne7 (better 31.Nf6!? Bh6+-) 31...Qb5 32.Rd8 Qb7 33.Kh2 Qf3 (better 33...Kh7+-) 34.Kg1 Qd1 35.Kg2 Qa4 (35...Kh7 36.Qb8 Rd8 37.Qd8 Qb3 38.Qg8 Kh6+-) 36.Rf8 Kh7 37.Rf7 Qa8 38.d5 (38.Kh2 Qb7 39.Qg6 Kh8 40.Qg7) 38...Qd8 (38...Qa7 39.Qg6 Kh8 40.Qg7) 39.Qg6 (39.Qg6 Kh8 40.Qg7) 1-0. cabbage9 (2830) - zsolti_83 (2665), Rated Bullet game, lichess.org, 2020.

4.d3 Bg7 5.Nd2 f5=+ 6.Rb1 a5 7.e3 (7.b5!?=+) 7...ab4-/+ 8.g3 (8.Rb4 Nc6 9.Rb3 Ra2-/+) 8...Nc6 9.Ne2 Bc3 (9...Ra2 10.Bg2-+) 10.Nc3-/+ Ne5?? (10...bc3!? 11.Nf3 Ra2-/+) 11.Nb3 (better 11.Rb4 Qf6 12.Rb3+-) 11...bc3= 12.Be2 (12.d4 Nc6=) 12...d6 (12...Ra2 13.d4 Nc6 14.Qd3=+) 13.0-0 Nd7 (better 13...Qd7=+) 14.e4 (14.Qe1 Ra2 15.Qc3 0-0=) 14...Nf6 (14...fe4!? 15.de4 Ra2-/+) 15.ef5=+ 0-0 16.Bf3 Bf5 17.Bg2 (17.Nc1!?=+) 17...Ra2-/+ 18.Qc1 (18.Nc1 Bg4 19.f3 Rb2-/+) 18...Rb2 19.Rb2 cb2 20.Qb2 b6 21.Qc1 Re8 22.Re1 Ng4 (22...c5 23.Re3-/+) 23.h3=+ Ne5 24.f4 Nd7 25.Re8 Qe8 26.Qd2 (26.Nd4 Be6=+) 26...Be6 27.Nd4 Qd8 28.Ne6 fe6 29.Bc6 Nc5 (29...d5 30.d4=+) 30.Bg2 (30.d4 Nd7=) 30...Qf6 31.d4 Nd7 32.Kh2 Nf8 33.d5 Qe7 34.de6 Ne6 (34...Qe6?? 35.Bd5 Kg7 36.Be6 Ne6 37.g4+-) 35.Bd5 Qg7?? (better 35...Kf8=+) 36.Be6+- Kf8 37.Qe2 Qf6 38.f5! Ke7? (38...gf5 39.Qh5 Double attack (39.Qh5 Decoy)) 39.fg6 Qe5 (39...hg6 40.Bf5 Kf7 41.Be4+-) 40.Qf2 (better 40.Qe5 de5 41.gh7 Ke6 42.h8Q+-) 40...Qd4?? (better 40...Qe6 41.gh7 Qh6 42.Qe2 Kf8 43.Qf3 Kg7 44.Qc3 Kh7 45.Qc7 Kg8 46.Qc4 Kh7 47.Qe4 Kh8 48.Qd4 Kh7+-) 41.g4 (41.Qf7 Kd8 42.Qd7) 41...Qf2-+ 42.Kh1 Qf1 43.Kh2 Qf2 44.Kh1 Qf4 (44...Ke6 45.gh7 Qh4 46.Kg2 Qh7 47.Kg3-+) 45.Kg2 (45.Bf5 hg6 46.Bg6 Qf3 47.Kh2 Kf6 48.Bd3 Qf2 49.Kh1 Ke5 50.Bg6 Kf4 51.Bf5 Kg3 52.h4 Qe1) 45...Qe5 (45...Qe4 46.Kg3 Ke6 47.gh7 Qh7 48.h4-+) 46.Kh1 (46.Bf5 h5! 47.Kf3 h4-+) 46...Qe3 (46...Qe4 47.Kg1 Ke6 48.g7-+) 47.Kg2 (47.Bf5 hg6 48.Bd3 Qh3 49.Kg1 Qg4 50.Kf2 Qd4 51.Ke2 c5-+) 47...Qe4 48.Kh2 Qf5 (48...Ke6 49.gh7 Qc2 50.Kg3 Qh7 51.g5-+) 49.Kh1 (better 49.Bf5 hg6 50.Bg6+-) 49...Qf6 (better 49...Qe6 50.gh7 Qe4 51.Kh2 Qc2 52.Kg3 Qh7 53.g5-+) 50.Kg1 (50.Bf5 hg6 51.Bd3 d5-+) 50…Qf3 (50...Qf3 51.Bg8 hg6-+) 0-1. Imrose (2190) - BabaRamdev (2325), Rated UltraBullet game, lichess.org, 2021.

4.e3 f5 5.c3 Bg7 6.Nf3 d5 7.d4 Nc6 (7...Be6 8.Bb5 c6 9.Be2+=) 8.Bb5+= a6 9.Bc6 bc6 10.Nbd2 0-0 11.0-0 Re8 12.Re1 f4 (12...Qd6 13.Rb1+=) 13.ef4+/- Re1 14.Qe1 f6 (14...a5 15.a3+/-) 15.Qe3 Bf5 16.Re1 a5 17.a3 ab4 18.ab4 Ra6 (18...Qd6 19.Nh4 Bc2 20.Nhf3+/-) 19.Qe8 (19.Nh4!? Bg4 20.f5+-) 19...Qe8+/- 20.Re8 Bf8 21.h3 Ra1 22.Kh2 Rc1 (22...Kf7 23.Re3+=) 23.g4+/- Bd7 24.Rd8 (24.Re3 h5 25.Kg3 Ra1+/-) 24...Be6 25.Re8 (25.Ra8 Rc3 26.Kg2 Kf7=+) 25...Bd7 (better is 25...Kf7!? 26.Ra8 Rc3=) 26.Re3+/- Rc2 27.Kg2 c5 28.dc5+- Bc6 29.Kg3 d4? 30.cd4 Rb2 31.Re6 Bf3 32.Nf3 Rb4 33.Rf6 Be7 34.Re6 Bf8 35.Re8 h6 36.Rc8 g5 37.fg5 hg5 38.Rd8 Rb5 39.Ng5 Rb3 40.f3 Rb4 41.Ne6 Rd4 42.Nd4 Kf7 43.Rd7 Ke8 44.Rc7 Kd8 1–0. annmarie – crazyburner, Live Game Caissa's Web, 2004.

4.Nf3 Bb4 5.e4 (5.a3 Bf8+=) 5...0-0 6.c3 Ba5 7.Bc4 (7.Qa4 c6-/+) 7...Re8 8.d3? (better is 8.0-0!? Re4 9.Qb3-+) 8...d5-+ 9.Bb3 de4 10.de4 Re4 11.Kf1 Qd1 12.Bd1 Re7 (12...Rc4 13.Ke2-+) 13.h3 (13.Nd4 c5 14.Nb3 Bf5-+) 13...Bf5 14.g4 (14.Nd4 Bd3 15.Kg1 c5-+) 14...Be4 15.Kg2 (15.Rg1 Nc6-+) 15...Nd7 (15...Nc6 16.Kg3-+) 16.c4 (16.Kg3 c6-+) 16...Rd8 17.Kg3 (17.Rg1 Ne5 18.Be2 Nd3-+) 17...Ne5 18.Rg1 (18.Ne5 Bh1 19.Bf3-+) 18...Nf3 19.Bf3 Rd3 20.Rf1 c6 21.Kh2 Rf3 22.a4 Bc7 23.Kg1 Rh3 24.f3 Rg3 25.Kf2 Rf3 26.Ke2 Bd5 27.Kd2 Bf4 28.Kc2 (28.Kd1 Rf1 29.Kc2 Rc1 30.Kb3 Bc4 31.Kb2 Re2 32.Nd2 Rd2 33.Kc1 Rf2 34.Kd1 Bd3 35.Rc1 Rf1) 28...Re2 29.Kd1 (29.Nd2 Rd2 30.Kb1 Rf1) 29...Rf1 30.Ke2 Bc4 0–1. princeflash – pcmvr, net–chess.com, 2017.

4.Nf3 h5 5.a3= h4 6.h3 c6 7.e3 d6 8.Be2 f5 9.d3 (9.c3 g5+=) 9...Nd7 10.Nbd2 Nf6 (10...g5 11.Nd4+=) 11.Rb1 (11.0-0 Bg7+=) 11...Bh6 12.b5 (worse 12.Nh4 Nd5 13.Nhf3 f4=+) 12...0-0 (12...Nd5 13.Rb3+=) 13.bc6 (worse 13.Nh4 Nd5 14.Nhf3 Nc3=+) 13...bc6 14.Kf1 (14.c4!?+/-) 14...Re8 15.Kg1 (15.c4 d5=) 15...Bd7 (15...d5=) 16.Nh4 (16.Kh2 d5=) 16...Qa5 (better 16...Nd5 17.Nhf3 Nc3-/+) 17.Ra1 Nd5 18.Nf1 (18.Nhf3 Bg7 19.d4 f4=) 18...Qa4 (18...Bg7 19.d4 Nc3 20.Qd3 Ne2 21.Qe2 Bd4 22.Rb1-/+) 19.d4 (better 19.c4 Qd1 20.Bd1+= (worse 20.Rd1 Nc3 21.Re1 Rab8=+)) 19...Nc3-/+ 20.Qe1 Ne2 (20...Qc2?! 21.Bc4 Nb5 22.Rc1=+) 21.Qe2 Qd4! 22.ed4 Re2 23.Nf3 (23.c3 Rc2-+) 23...Rc2-+ 24.Rd1 (24.h4-+) 24...Rb8 25.Ng3 (25.Re1 Be6-+) 25...Rbb2 26.Rf1 (26.Nf1 Rf2 27.Rh2 Be6-+) 26...Be6 (26...Be3! 27.h4-+) 27.Kh2 (27.Ne1 Rc3 28.Nf3 Bd5-+) 27...Bc4 (27...Bd5 28.Ne1 Rd2 29.Rhg1-+) 28.Rc1 (28.Rb1 Ra2 29.Ra1-+) 28…Bc1 0-1. caissaisabelle (2665) - ajedrez2021 (2625), Rated Bullet game, lichess.org, 2020.

4.h3 Bg7 5.e3 0-0 6.d4 a5 7.b5 d5 8.c4 c5 9.bc6 bc6 10.Nc3 dc4 11.Bc4 f5 12.Nge2 Nd7 13.0-0 Nb6 14.Bb3 Ba6 15.Re1 Qd6 (16.Rc1 Rab8+=). Bulcourf,Carlos (2285) – Sanchez,Fernando (2230), Villa Martelli Warsteiner, 1999.

4.a3 a5

5.b5 Bc5 6.e3 d6 7.d4 Bb6 8.a4 c6 9.Nd2 c5 10.Nc4 cd4 11.Nb6 Qb6 12.Qd4 Qd4 13.ed4 Nd7 14.Nf3 Kf8 15.h3 Kg7 16.Bd3 Nb6 17.Kd2 Be6 18.Rhe1 Rac8 19.c3 Rc7 20.Rec1 Rhc8 21.Ne1 Bc4 22.Bc4 Rc4 23.Nd3 Ra4 (23...Na4 24.Ra3 g5 25.f4=+) 24.Nb2 (24.Ra4 Na4 25.c4 Rd8=) 24...Ra1=+ 25.Ra1 a4 26.Kd3 (26.Na4 Ra8 Decoy) 26...d5 (better 26...Ra8=+) 27.Re1?? (better 27.Na4 Ra8 28.Nb6 Ra1 29.Nd5+=) 27...a3-/+ 28.Nd1 Nc4 29.Ne3 Ne3 30.fe3 Ra8 31.Ra1 a2 32.Kc2 f5 33.Kb3 g5 (better 33...Ra5=+) 34.Ra2+= Ra2 (34...Re8!?+=) 35.Ka2+/- h5 Black prepares the advance g4 36.Kb3 Kf6 37.c4 Ke6 38.c5 (38.h4 gh4 39.Kc3 dc4 40.Kc4 b6-+) 38...h4+/- 39.Kc3 g4 (39...Ke7!?+/-) 40.Kd3 Kd7 41.Ke2 Ke6 42.Kf2 f4? (42...Ke7+-) 43.ef4 (better 43.hg4 Kd7 44.ef4+-) 43...Kf5 (43...g3 44.Ke2 f5+-) 44.c6 g3 (44...bc6 45.b6 gh3 46.gh3 Kf4+-) 45.Kf3 bc6 46.b6 Ke6 47.b7 1-0. caissaisabelle (2670) - alifie (2455), Rated Bullet game, lichess.org, 2020.

5.b5 d5 6.d4 c6 7.e3 c5 (7...Bd6 8.Bd3=) 8.c3 (8.dc5 Bc5 9.Nf3 0-0+=) 8...b6 9.g3 Bd6 (9...Bf5 10.Bg2+=) 10.a4 (10.dc5 Bc5 11.Bg2 Ra7+=) 10...Be6 11.Bg2 f5 12.Ne2 Nd7 (12...c4 13.Nd2 Ra7 14.Qc2+=) 13.0-0 (13.dc5 Nc5 14.Bd5 Rc8+-) 13...Nf6 14.Nf4 Ne4 15.Qd3 c4 16.Qc2 Bf4 17.ef4 0-0 18.Nd2 Re8 19.Rfe1 Rc8 20.Nf1 Qd6 21.Ne3 Bd7 22.Qb2 Be6 23.Qa3 Qa3 24.Ra3 Bd7? (24...h5 25.f3 Nd6 26.Ra2=) 25.Rd1?? (better 25.Nd5 Be6 26.Re4 (worse 26.Be4 Bd5 27.Bd5 Re1 28.Kg2 Rb1-/+) 26...fe4 27.Nf6 Kf8 28.Ne8 Re8 29.Be4+-) 25...Be6= 26.h4 Red8 (26...Rc7 27.Re1=) 27.Kf1 Kg7 28.Ke2 h5 29.Re1 Kf6 30.Rf1 (30.f3 Nd6=) 30...Rd7= 31.Kd1 Rcd8 32.Kc2 Rc8 33.Raa1 Rcd8 34.Rae1 Rc8 (34...Re8 35.f3 Nd6 36.Rf2=) 35.Bf3 (35.f3!? Nd6 36.g4=) 35...Rcd8 36.Bd1 Rc8 37.Re2 Rcd8 (37...Re8 38.Rfe1 Rde7 39.f3=) 38.Ree1 (38.Rfe1 Nd6+=) 38...Rc8= 39.Bf3 Rcd8 40.Bh1 Rc8 41.Re2 Rcd8 42.Rg1 Rc8 43.f3 Nd6 44.Bg2 Re8 45.Rge1 Rde7 46.Bf1 Kg7?? (46...Nc8 47.Kd1=) 47.Nd1?? (better 47.Nd5 Rb7 48.Ne3+-) 47...f6 48.Ne3 Bf7 49.Kd2 Kf8 50.Bg2 Bg8 51.Ra1 Bf7 52.Rae1 Bg8 53.Nc2 Re2 54.Re2 Re2 55.Ke2 Bf7 56.Ne3 Ke7 57.Kd2 Kf8 58.Bf1 Ke7 59.Be2 Kf8 60.Bd1 Ke7 61.Bc2 Kf8 62.Ke2 Ke7 63.Kf2 Be6 64.Kg2 Kf7 65.Kf2 Ke7 66.Bd1 Bd7?? (66...Ke8 67.Ke1=) 67.Bc2 (better 67.Nd5 Kd8 68.Nb6+- (68.Nf6?! Be6+-)) 67...Ke6= 68.g4 hg4 69.fg4 fg4 70.Bg6 Nb5?? (better 70...f5=) 71.ab5+- a4 72.h5 a3 (72...Ke7 73.Nd5 Kf8 74.Nf6 Bb5 75.h6+-) 73.Bb1 (better 73.h6 a2 74.Nc2 f5+-) 73...Bb5 74.h6 Kf7 75.Nd5 Ba4 76.Kg3 (76.h7 Kg7 77.Nf6 Bc2 78.Ne8 Kh8 79.Bc2 a2+-) 76...Bb3?? (76...Bc2 77.Ba2 Bb3+-) 77.Nb4 (77.Kg4?! Bc2 78.Ba2 Kg6 79.Bc4 b5+-) 77...f5 (77...Ba4 78.Kg4 Bd1 79.Kh4+-) 78.Kh4 Kg6 79.d5 Kh6 (79...Ba4 80.Bf5! Kh6 81.d6+-) 80.d6 Ba4 81.Bf5 Bd7 (81...Kg7 82.d7 Bd7 83.Bd7 Kf6+-) 82.Bd7 g3 83.Na2 (83.Na2 g2 84.Bc6-+) 1–0. FeegLood (2660) – Seppo (2405), lichess.org, 2015.

4.a3 d5

5.d4 a5 6.b5 Bg7 7.Nc3 0-0 8.h3 f5 9.Nf3 f4 10.e3 fe3 11.fe3 Re8 12.Qd2 Bh6 13.Nd1 Qe7 14.Kf2 Nd7 15.Bd3 c5 16.dc5 Bg7 17.Rb1 Nc5 18.Re1 Qf6 19.Nc3?? (better is 19.Kg1 Bh3! 20.Rf1-/+) 19...Qc3-+ 20.Qc3 Bc3 21.Re2 b6 22.Nd4 Bb7 23.Nb3 a4 24.Nc5 bc5 25.b6 c4 0–1. jackw171 – zeeman33, kurnik, 2012.

5.d4 c6 6.e3 f5 7.Nf3 a5 8.c3?? ab4-/+ 9.cb4 Bb4! 10.Nbd2 Ra3 11.Ra3 Ba3 12.Bd3 c5?? 13.0-0?? c4 14.Bc2?? b5-+ 15.Nb1 Qa5 16.Ne5 b4 17.Qf3 Bb7 18.Qg3? b3?? 19.Bd1?? Qb4?? 20.Qg5?? 0-0-+ 21.Bh5 f6 22.Qg3 g5 23.Nf3? g4?? 24.Nh4 Bc8 25.f3?? c3 26.fg4 fg4 27.Bg4 Bg4 28.Qg4 Kf7 29.Qf5 c2 30.Qf6?? Ke8-+ 31.Qe6 Qe7?? 32.Qc8= Qd8 33.Qe6 Qe7 34.Qc8 Qd8 35.Qe6 Be7 36.Nf5 cb1Q?? 37.Rb1 Qd7?? 38.Qd7 Kd7 39.Ng3 Nc6 40.Rb3 Rb8 41.Rc3 Nb4 42.Nf5 Na2 43.Ra3?? Nb4 44.Ne7?? Ke7+= 45.Ra7 Kf6 46.Rh7 Kf5 47.h4 Ke4 48.Kf2 Nd3 49.Ke2 Rb2 50.Kd1 Ke3 51.Re7 Kd4 52.Re2 Re2 53.Ke2 Nf4 54.Kf3 Nh5 55.g4 -+. ronnieg (2565) – Ottrano (2730), fics, 2001.

5.d4 Be7 6.g3 0-0 7.Bg2 c6 8.Nf3 Re8 9.0-0 Nd7 10.Nbd2 Nb6 11.c3 Bg4 12.Rc1 Bf3 13.Bf3 f5 14.e3 Qc7 15.Qb3 Nd7 16.c4 dc4 17.Nc4 b5? 18.Na5+- Rac8 19.Nc6 Nb6 20.Ne5 Nc4 21.Qa2 Qb6 22.Nc4 bc4 23.Rc4 Rc4 24.Qc4 1–0. Van Esbroeck,Dirk – Gnuva,Luca, SN–2011–0-00313, 2011.

5.d4 f5 6.e3 c5 (better 6...Bg7!?=) 7.bc5+- Nc6 8.c4 b6? (better 8...Bg7!?+-) 9.cd5+- bc5? (9...Qd5 10.Nc3 Qd8+-) 10.dc6 cd4 (10...Bg7 11.Ne2 0-0+-) 11.Bb5 (better 11.Qd4 Qd4 12.ed4+-) 11...de3?? (better 11...Qa5 12.Nd2 Qb5 13.ed4 Qc6=) 12.c7+- Ke7 13.cd8Q Ke6 14.Q1d5 1–0. FeegLood (2485) – mohammadreza_s (2110), lichess.org, 2016.

5.d4 Bg7 6.c3 0-0 7.e3 Nd7 8.Be2 Nb6 9.Nd2 Bd7 10.a4 Qe8 11.a5 Nc8 12.Qc2 Nd6 13.Ngf3 Bb5 14.c4 Bc4 15.Nc4 dc4 16.Bc4 Qc6 17.Rc1 Qc4 18.Qc4 Nc4 19.Rc4 c6 20.0-0 a6 21.Nd2 Rad8 22.Nb3 Rfe8 23.Nc5 Re7 24.Rfc1 f5 25.g3 Bf8 26.h4 Rc7 27.Na4 Bd6 28.f4 Re7 29.Kf2 Re4 30.Nc3 Re6 31.Rd1 Be7 32.Kf3 h5 33.d5 Red6 34.Rcd4 Bf6 35.R4d3 Bc3 36.Rc3 Rd5 37.Rd5 Rd5 38.e4 fe4 39.Ke4 f5 40.Ke3 Kf7 41.Rd3 Rd3 42.Kd3 Ke6 43.Kd4 Kd6 44.Kc4 c5 45.bc5 Kc6 0–1. Thomas Lazar – MT, itsyourturn.com, 2000.

5.e3 a5 6.b5 Bg7 (6...Be6 7.Be2=) 7.Nf3 g5 (7...0-0 8.Be2=) 8.Be2+= f5 9.Nc3 0-0 10.0-0 Nd7 11.a4 g4 12.Nd4 Nf6 13.f3 Bd7 14.Bd3 Qc8 (14...f4 15.ef4 Qe7 16.Kh1+=) 15.fg4+/- fg4 16.Nf5 Qd8 17.Ng7 Kg7 18.e4 (18.Qe1 Re8+/-) 18...de4 (18...Be6 19.e5 Nd7 20.Qe2=) 19.Ne4 Ne4 20.Be4 Bc8 21.c3 f5 22.Bc2 Kh8 (22...f4 23.d4+=) 23.Qe2+/- Qf6 (23...Qd5 24.Rae1+/-) 24.Rae1 Bd7 25.Qe5 (25.Qe7 Qe7 26.Re7 Rad8+/-) 25...Qe5 26.Re5 Rfe8 27.Re8 Re8 28.Bf5 Bf5 29.Rf5 Re1 (29...Re7 30.Kf2+/-) 30.Kf2+- Rd1 31.d4 Rd2 (31...Ra1 32.Rf8 Kg7 33.Rc8+-) 32.Kf1 Rd1 33.Ke2 Rg1 34.Kf2 Rc1 35.Rc5 c6 36.bc6 bc6 37.Kg3 Rc2 38.Rc6 Kg7 39.c4 h5 40.d5 Ra2 41.Rc5 Ra4 42.d6 Ra3 43.Kf4 Rd3 44.Rg5 Kf6 45.c5 a4 46.Rh5 a3 47.Rf5 Kg6 48.Rg5 Kf6 49.Rg8 g3 50.h3 Ke6 51.Ke4 Rd2? 52.Rg3 a2 53.Ra3 Rg2 54.Kd4 Rc2 55.Ra5 Kd7 56.Kd5 Rd2 57.Kc4 Kc6 58.Ra6 Kb7 59.Ra4 Rc2 60.Kb4 Rb2 61.Kc3 Rh2 62.Ra5 Rh3 63.Kb4 Rh2 64.Ra3?? Rc2 65.Kb5 Rb2 66.Kc4 Rc2 67.Kb4 Kc6 68.Ra6 Kb7 69.Ra4 Kc6 70.Ra5 Rb2 71.Kc4 Rc2 72.Kd4 Rb2 73.Kc3 Rb5 74.Ra6 Kc5 75.d7= Rb8 76.Ra5?? Kc6 77.d8N Kb6 78.Nc6 Rg8 79.Ra2 Rg3 80.Kd4 Kc6 81.Ra6 Kb7 82.Rd6 Kb8 83.Re6 Rh3 84.Re7+= Ka8 85.Re5 Rg3 86.Re7 Rf3 87.Re3 Rf7 88.Rg3 Rh7 89.Rg4 Rh3 90.Ke4 Kb8 91.Kd5 (91...Rd3 92.Kc4=). guest49 – RobinX (2080), ICC, 2003.

5.e3 c6 6.c4 dc4 7.Bc4 b5 8.Be2 a5 9.Nc3 ab4 10.ab4 Ra1 11.Qa1 Bb4 12.Nf3 0-0 13.0-0 Qa5 14.Nd4 Qd8 15.Ne4 Be7 16.Qa7 Bd7 17.Rc1 Be8 18.Bf3 f5 19.Nc5 Bd6 20.g3 Qe7 21.Qe7 Be7 22.Ncb3 Bb4 23.Bc6 Bc6 24.Nc6 Nc6 25.Rc6 Ra8 26.Rc2 Ra3 27.Rb2 Bd6 28.Kg2 Kg7 29.Nd4 Be5 30.Rb5 Bd4 31.ed4 Rd3 32.Rb4 g5 33.h3 Kf6 34.g4 Kg6 35.Rb6 f6 36.Rb2 fg4 37.hg4 h5 38.gh5 Kh5 39.Kf1 Rd4 40.Ke2 f5 41.f3 g4 ½–½. Bulcourf – Andres, 1998.

5.e3 c6 6.d4 Nd7 7.c4 dc4 8.Bc4 Nb6 9.Bd3 a5 10.b5 c5 11.Ne2 cd4 12.Nd4 f5 13.0-0 Bg7 14.Nc3 0-0 15.Nce2 Qe7 16.Nf4 Rd8 17.Be2 Be5 18.g3 Bd7 19.Bf3 Bb5-/+ 20.Re1 Bf4 21.gf4 Ba6 22.Qb3 Nc4 23.Red1 Rac8 24.a4 Rc5 25.Bg2 Nd6 26.Qb6 Ne4 27.Nb3 Rcd5 28.Rd5 Rd5 29.Nd4 Rc5 30.Nb3 Rd5 31.Nd4 Qh4 32.Qb2 Rc5 33.Nf3 Qe7 34.Nd4 Qc7 35.h4 Rc4 36.Rd1 Rb4 37.Qa1 Nc3 38.Rc1 Rd4 39.Rc3 Ra4 40.Qa4 Qc3 (41.Qd1 Kg7-+) 0–1. Bulcourf,Carlos (2285) – Sunye Neto,Jaime (2520), Najdorf Festival op, 1998.

5.e3 Be6 6.Bb5 c6 7.Be2 Bg7 8.Nf3 0-0 9.0-0 Nd7 10.Nd4 f5 11.Ne6 fe6 12.d4 e5 13.c3 e4 14.c4 Nb6 15.c5 Nd7 16.Nc3 f4 17.ef4 Rf4 18.Qd2 Bh6 19.g3+= Qf8 20.gf4 Bf4 21.Qd1 Qh6 22.Bh5 gh5 23.Kh1 Kh8 24.Rg1 Nf6 25.Qc2 Ng4 26.h3 Nh2 27.Qd1?? Nf3-/+ 28.Qf1 Ng1 29.Qg1 Rg8 30.Qd1 Bc7 31.Ra2 Qf4 32.f3 ef3 33.Qe1 Qd4 (34.Nd1 Qe4 35.Qe4 de4-+) 0–1. Bonetti,Shane – Talchess (2115), ICC, 2002.

5.e3 Bg7 6.d4 0-0 7.c4 b6 8.Nc3 Ba6 (8...dc4!? 9.Bc4 Be6+=) 9.cd5+/- Bf1 10.Kf1 c6 11.Qf3 cd5 12.Nd5 Nd7 13.Ne2 f5 14.h4 Nf6 15.Nf6 Bf6 16.h5 Qd7 17.hg6 fg6 18.Rc1 Rac8 19.Rc8 Rc8 20.g4! Qb5 (20...fg4 21.Qf6 Pinning (21.Qf6 Deflection)) 21.Rh7! Rc1 (21...Kh7 22.Qb7 Double attack (22.Qb7 Decoy)) 22.Kg2 Re1 (22...Kh7 23.Nc1 a5+-) 23.Ra7 (23.Ra7 Kf8 24.Qb7+-) 1–0. Mosley,Gene – Suermann,Uwe, DESC, 2005.

5.e3 Bg7 6.Nf3 0-0 7.c4 dc4 8.Bc4 f5 9.Nc3 Nd7 10.0-0 Nf6 11.d4 c6 12.Qb3 Ne4 13.Ne4 fe4 14.Nd2 Qe7 15.f3 ef3 16.Rf3 Bf5 17.Raf1 Kh8 18.Kh1 f6 19.Rf4 Bh6 20.R4f3 Rad8 21.Bd3 Bd3 22.Qd3 f5 23.Qc3 Bg7 24.Nb3 Rfe8 25.Rh3 Rd6 26.Qe1 Re6 27.Rff3 f4 28.Rf4 Re3 29.Qg1 Rh3 30.gh3 Qd6 31.Qf2 Qd5 32.Rf3 Rf8 33.Kg2 Rf4 34.Qg3 g5 35.h4 h5 36.h3 Rh4 0–1. Hahn – Bluhm, DDR 1979.

4.a3 f5

4.c3 h5 5.d4 h4 6.Nf3 d6 (6...h3 7.g3=) 7.h3 c6 (7...a5 8.ba5 Ra5 9.e3+=) 8.e3 f5 9.Bd3 Nd7 (9...g5 10.d5+=) 10.Nbd2 Nf6 11.0-0 Bh6 12.Qc2 0-0 (12...Be6 13.b5+/-) 13.Rae1 (13.Nh4 f4 14.e4 Ne4 15.Ne4 Qh4 16.Nd6 f3 17.Nc8 Rac8+/-) 13...Re8 (13...Nd5+/-) 14.e4 (better 14.Nh4!? Be6 15.Nhf3+/-) 14...fe4+= 15.Ne4 Ne4 16.Be4 Kg7 17.Re2 Bd7 18.Rfe1 Qf6 19.a4 Rac8 20.a5 b6 21.ab6 ab6 22.Bd3 (22.Qd1 Bf4=) 22...Re2 23.Re2 (23.Be2 b5=) 23...c5 (23...Bh3!? 24.Re4 Bg5=+) 24.dc5 dc5 25.b5 (25.bc5 Bh3 26.Be4= (worse 26.gh3 Qf3 27.Re4 Rc5 28.Rh4 Be3-+)) 25...c4 (25...Bh3 26.Ne5 Be6 27.Nc4-/+) 26.Be4=+ Bb5 27.Nd4 Bd7 28.Bd5 Rc5 29.Qe4 (29.Be4 Bf4-/+) 29...b5 (29...Qg5 30.Bf7 Kf7 31.Ne6 Qc1 32.Kh2-+) 30.Ba8 (30.Bb7 Bf4-/+) 30...Rc8 (30...Bf4 31.Qb7 Rc7 32.Qe4-+) 31.Qb7 (31.Bb7 Re8 32.Qd5 Rd8-/+) 31...Qd6 (31...b4 32.Ra2 b3 33.Ra7-+) 32.Qa7 Qc7 (32...b4 33.Qa1-/+) 33.Qa3 Qc5 34.Qa6 (34.Qc5 Rc5 35.Kf1 Bg5-/+) 34...b4 35.Bb7 (35.Be4 bc3 36.Nf3 Re8-/+) 35…Rb8-+ (35...Rb8 36.Qa1 b3-+) 0-1. Vagerhook (2550) - ajedrez2021 (2510), Rated Bullet game, lichess.org, 2020.

5.c4 Bh6 6.Nc3 0-0 7.h4 c6 8.h5 d6?? (better 8...Bg7=) 9.hg6+- Kg7 10.gh7 Qf6 11.e3 Nd7 12.Nge2 Ne5 13.Ng3 Kh7 14.d4 Qh4 (14...Ng6+-) 15.Rh4 (15.Rh4 Ng6 16.Rh1+-) 1-0. fireheart92 (2780) - ajedrez2021 (2785), Rated Bullet game, lichess.org, 2021.

5.d4 Bg7 6.e3 0-0 7.g3 c6 8.Bg2 d5 9.Ne2 Nd7 10.0-0 Nf6 11.Nd2 Re8 12.c4 Ne4 13.cd5 cd5 14.Rc1 Be6 15.Nf4 Rc8 16.Nb3 b6 17.Qd3 Qd7 18.Qa6 Rc4 19.Be4 (19.Rc4 dc4 20.Ne6 Qe6+=) 19...fe4 (19...Rc1 20.Rc1 fe4 21.b5=) 20.Ne6 (20.Rc4 dc4 21.Nd2 Bf5 22.Qc4 g5+=) 20...Qe6 (20...Rc1 21.Nc1 fe6 22.f3=+) 21.Nd2 (21.Qa7 Rec8+=) 21...Rc1 22.Rc1 Qd7 23.b5 Bf8 24.Rc6 Bd6 25.Nb1 Bb8 (25...Be7!?=) 26.Nc3+= Rd8 (26...Kg7 27.a4+=) 27.Qa4 (27.a4!?+/-) 27...Kf8 28.Qb3 Kg8 29.a4 a6? (better 29...Kg7+=) 30.Rb6+- ab5 31.Rb5 (31.ab5?! Ba7 32.Ra6 Qb7+-) 31...Bc7? (31...Qe8+-) 32.Rd5 Qe8 33.Rd8 Qd8 34.Ne4 Qe7 35.Qd5 Kg7 36.Nc5 Qd6 (36...Qd8 37.Qd8 Bd8 38.Nb7+-) 37.Qd6 Bd6 38.a5 (38.a5 Bc7 39.a6+-) 1-0. FeegLood (2810) - chickencrossroad (2670), Rated Bullet game, lichess.org, 2016.

5.e3 a5 6.b5 b6 7.Be2 Bb7 8.Bf3 Qc8 9.Bb7 Qb7 10.Qf3 Qf3 11.Nf3 c6 12.Nc3 a4 13.Ke2 Bd6 14.Rhb1 Bc7 15.Rb4 0-0 16.Rab1 cb5 (16...c5 17.Rc4+-) 17.Nb5 Na6 (17...Bd8 18.Nc3+-) 18.Nc7 Nc7 19.Rb6 Ne6 20.Ne5 1–0. FeegLood (2660) – uoylliki (2425), lichess.org, 2016.

5.e3 d5=.

5.e3 Bg7 6.d4 0-0 7.g3 d6 8.c3 c5 9.Nd2 Nd7 10.Bg2 Re8 11.Ne2 Nf6 12.0-0 cd4 (12...Qe7 13.Nf4+=) 13.cd4+= d5 14.Nf4 Be6 15.Ne6 fe6 16.Rc1 Qd6 17.Qb3 (17.Qa4 a6+=) 17...Rac8= 18.Nf3 b6 19.Ne5 (19.Qa4 Qd7 20.Qd7 Nd7+=) 19...Ne4= 20.Be4 fe4 21.f4 ef3 22.Nf3 Rc7 23.Rc7 Qc7 24.Qb2 (24.b5 Rc8=) 24...Rc8=+ 25.Rf2 (25.a4 Qc3 26.Qc3 Rc3-/+) 25...Qc3-/+ 26.Kg2 Qb2 27.Rb2 Rc3 28.a4 Re3 (28...h6 29.Kf2-/+) 29.a5 (29.Rc2!?=+) 29...Rd3 30.ab6 ab6 31.Rc2 (31.Re2!? Rb3 32.Re6 Rb4 33.Rd6 Bd4 34.Rd5 Rb2 35.Kh3-/+) 31...Bd4-+ 32.Rc6 e5 33.Nd4 Rd4 (33...ed4?! 34.h4-/+) 34.Rb6 e4 35.Rd6 (35.g4 Kf7-+) 35...Kf7 36.b5 (36.g4 Ke7 (worse 36...Rb4 37.Rd5 Ke6 38.Ra5-/+) 37.Rb6 g5-+) 36...Ke7 37.Rb6 Rb4 (37...Rd2 38.Kf1 Rh2 39.Rc6-+) 38.Kf2 (38.Rb7 Ke6-+) 38...d4 39.Ke2 (39.Rb7 Kd6 40.Rh7 Rb5-+) 39...Rb2 40.Kd1 d3 (40...Rh2?! 41.Ra6 Rh1 42.Ke2 d3 43.Ke3 Re1 44.Kd2 Re2 45.Kd1-+) 41.Rb7 Ke6 42.Rb6 (42.Rb8-+) 42...Ke5 43.Rb8 (43.Rb7 e3 44.Re7 Kd4-+) 43...e3 44.Kc1 Rb4 (better 44...Rc2 45.Kb1 e2 46.Re8 Kd4-+) 45.Kd1 (45.Re8 Kd4 46.Rd8 Ke4 47.b6-+) 45...Kd4 (45...Rb1) 46.Rd8-+ Kc3 (better 46...Ke4 47.Kc1 Rc4 48.Kb2 e2-+) 47.Rc8 Kd4 48.Kc1?? (48.Rd8 Ke4 49.Kc1 Rc4 50.Kb2-+) 48...d2 49.Kc2 Ke4 50.Re8 Kf3 51.Rf8 Ke2 52.Rd8 Rb5 53.Kc3 (53.Rd7 Kf1 54.Rd2 Rb2 55.Kb2 ed2-+) 53...Rc5 (better 53...d1Q 54.Rd1 Kd1 55.Kc4-+) 54.Kd4 (54.Kb4 d1Q 55.Rd1 Kd1 56.Kc5 e2-+) 54...d1Q 55.Kc5 Qd8 56.Kc4 If White now only could play Kd2... 56...Qd2 (56...Kd2 57.Kb5 Qb8 58.Kc5 e2 59.Kc6 e1Q 60.Kd5 Qb5 61.Kd4 Qe3) 57.Kb3 Kd1 (57...Kd3 58.Ka4 Kc4 59.Ka3 Qc2 60.h3 Qb3) 58.Kc4 e2 59.Kb3 e1Q 60.Kc4 Qee3 (60...Qb4 61.Kd5 Qee4) 61.Kb5 Qec3 62.g4 (62.Ka6 Qdb2 63.h3 Qca3) 62...Qdb2 63.Ka4 Qca3 (63...Qbb3) 0-1. HIALUPHARMpl (2390) - opperwezen (2620), lichess.org, 2019.

5.g3 d5 6.e3=.

5.g3 Bg7 6.d4= 0-0 (6...a5 7.ba5 d5 8.e3=) 7.e3 Re8 8.Ne2 a5 9.b5 c5 10.Bg2 d6 (10...d5 11.Nbc3 f4 12.gf4+= (12.dc5 fe3 13.Qd5 Bc3 14.Nc3 Qf6-+)) 11.0-0 Nd7 (11...d5 12.Nbc3 cd4 13.Nd4+=) 12.Nbc3 (12.c4 Qg5+=) 12...cd4 (12...Qb6 13.dc5 dc5 14.Qd3=) 13.ed4 (13.Nd4 Qg5+/-) 13...Nb6 (13...Nf6 14.Re1=) 14.Nd5 (14.Re1 d5=) 14...Be6 15.Nef4 g5 (15...Rc8 16.Ne3 Qc7 17.Re1=) 16.Ne6+= fe6 17.Nb6 Qb6 18.c3 Rac8 19.Qh5 (19.Qd3 d5+=) 19...h6 (19...Qb5 20.Rab1 Qa4 21.Rb7+/-) 20.Qg6 (20.Rfb1 e5 21.Qg6 e4+=) 20...Re7 (20...Qb5 21.Rfb1 Qc4 22.Rb7 Rc7 23.Qe8 Kh7 24.Rc7 Qc7 25.Qe6 Qc3 26.Qf5 Kh8+-) 21.Rae1 Rc3 22.Bd5 Rcc7?? (22...ed5 23.Re7) 23.Re6+- Kh8?? (better is 23...Re6 24.Be6 Kf8 25.Qf5 Ke8+-) 24.Rd6 (24...Qd6 25.Qd6+-; 24.Qf5?! Qb5 25.Rd6 Rcd7+/-) 1–0. Bulcourf,Carlos (2185) – Casafus,Ruben (2420), Buenos Aires op, 1995.

4.a3 Bg7

5.Nc3 d5 6.e4 de4 7.Ne4 0-0 8.Be2 Re8 9.Nc5 f5 10.Rb1 b6 11.Nd3 Bb7 12.Nf3 Bf3 13.gf3 Qe7 14.Rb3 Nc6 15.Nc1 Bh6 16.Rd3 Ne5 17.Rc3 Qg5 18.Rf1 Qg2 19.Re3 Be3 20.de3 Rad8 21.Nd3 f4 22.e4 f5 23.Qb1 Nf3 24.Bf3 Qf3 25.Qb3 Kf8 26.Qe6 Re6 27.Kd2 fe4 28.Kc1 Rd3 29.Re1 Ra3 30.Re3 Qh1 31.Kd2 fe3 32.fe3 Rd6 33.Ke2 Qh2 34.Kf1 Rd1 0–1. Lindberg,Rune – Tammik,Kaljo, corr ICCF, 1995.

5.c4 0-0 6.Nc3 Re8 7.g3 d6 8.Bg2 (8.d4 f5=) 8...Nd7 9.e3 (9.d4 c6=) 9...Nf8 (9...Ne5!?=+) 10.Nge2 Rb8 11.0-0 b6? (11...Be6 12.d3=) 12.d4 (12.Nd4!? Bd7 13.Nc6 Bc6 14.Bc6 Re6+-) 12...Bb7 13.Bb7 Rb7 14.d5 (14.Qa4 Qa8+/-) 14...Rb8 (14...Nd7 15.Qa4+=) 15.Nd4+/- f5 (15...Ra8 16.Nc6 Qc8 17.Nb5+/-) 16.Nc6+- Qc8 (16...Qf6 17.Rc1 (17.Na7? Qc3 18.Qe2 Rb7-+) 17...Rb7 18.Qa4+-) 17.Nb8 (17.Na7?! Qa6 18.Nab5 Bc3 19.Nc3 Qc4+/-) 17...Qb8 (17...Bc3 18.Rc1 Bb4 19.ab4 Qb8 20.Ra1+-) 18.Rc1 Qd8 (18...a6 19.b5+-) 19.Ne2 (19.Qa4 Bc3 20.Rc3 Qa8+-) 19...Nd7 20.Nd4 Ne5 21.Qa4 Rf8 (21...Re7 22.Rfd1+- (22.Qa7 c5 23.Qa6 cd4=+)) 22.Qa7 Ng4 (22...Nd3 23.Rc3 Ne5 24.Rfc1+-) 23.h3 (23.Nb5 Ne5+-) 23...Nh6 (23...Ne5 24.Nb5 Qe7 25.Rfd1+- (25.Nc7 Nf3 26.Kh1 Qe4 27.Qb6 f4 28.Qd6 Be5+=)) 24.Nc6 (better 24.Nb5 f4 25.ef4 Qd7 26.Qc7 Qh3 27.Qb6 Ng4+-) 24...Qg5 (24...Qd7+-) 25.Qc7 Qh5 (25...Ra8 26.Qb6 Qh5 27.Ne7 Kh8 28.Kg2+-) 26.Kg2 g5 (26...f4 27.ef4 (27.Qd6 f3 28.Kh2 Ng4 29.Kh1 Qh3 30.Kg1 Qg2; 27.Qb6 f3 28.Kh1 Qh3 29.Kg1 Qg2) 27...b5 28.Ne7 Kh8 29.cb5+-) 27.Qd6 g4 28.h4 f4 (28...Kh8 29.Rfd1+-) 29.Qf4 Nf5 (29...f5 30.c5 bc5 31.bc5+-) 30.Qg5 (better 30.Qf5! Qf5 31.Ne7 Kh8 32.Nf5 Ra8+-) 30...Qg5 31.hg5 1-0. cabbage9 (2840) - zsolti_83 (2650), Rated Bullet game, lichess.org, 2020.

5.c4 0-0 6.Nc3 Re8 7.g3 Rf8 8.Bg2+= Re8 9.e3 Rf8 (9...d6 10.d4+=) 10.Nge2 Re8 11.0-0 Rf8 12.Qc2 Re8 13.Rfe1 d6 14.Rad1 Nd7 15.d4 Nf8 16.Nf4 Rb8 17.Nd3 Ne6 18.Nb5 Nf8 (18...a6!? 19.Nc3 Bd7+/-) 19.Na7+- c6 (19...Bg4 20.Ra1+-) 20.Bc6! bc6 21.Nc6 Qc7 22.Nb8 Qb8 23.c5 Bf5 24.f3 d5 (24...Be6 25.e4+-) 25.Qc3 (25.Qb3 Bh6 26.Nf4 Bf4 27.gf4 Qa8+-) 25...Bh6 (25...Ne6 26.g4 Ng5 27.gf5 Nf3 28.Kf1 Qh2 29.Nf2=) 26.Nf2 g5 (26...Bd7 27.e4 Qa8 28.a4+-) 27.g4 (27.e4 Be6+-) 27...Bc8 28.a4 f5 29.h3?? (better 29.gf5 Bf5 30.b5+-) 29...fg4 (better 29...Qg3 30.Kf1 Ng6=) 30.hg4 (better 30.fg4 Qg3 31.Kf1=) 30...Bg7?? (30...Qg3 31.Kf1 Qf3 32.Rd3 Bg4 33.Ra1 Bh3 34.Ke1-+) 31.b5?? (31.Nh1 Ng6+-) 31...f5?? (31...Qg3 32.Kf1 Qf3 33.Rd3 Bg4 34.Rc1=+) 32.c6 (32.Kg2 Ng6 33.e4 Nh4 34.Kf1 Qg3 35.gf5 de4 36.Qc4 Kf8 37.Re4 Qg2 38.Ke2 Qf3 39.Ke1 Re4 40.Ne4 Qe3 41.Kf1 Qe4-+) 32...fg4 (32...Qg3 33.Kf1 Ng6 (33...fg4?! 34.fg4 Ng6 35.Qb3-+; 33...Qf3?! 34.Qd3=) 34.gf5 Bf5-+) 33.fg4?? (better 33.c7 Qb6 34.fg4+/-) 33...Qg3-/+ 34.Kf1 Ng6 35.Ke2? (better 35.Qc5 Nh4 36.Qd5 Be6 37.Qc5-+) 35...Nf4 36.Kd2 Qf2 37.Kc1 Ne2 38.Re2 Qe2 39.Rd2 (39.Qd2 Qc4 40.Qc2 Qb4-+ (worse 40...Re3 41.Qc4 dc4 42.b6-+)) 39...Qe3 (better 39...Qe1 40.Kc2 Re3-+) 40.Qe3 Re3 41.b6 Re7 (41...Rc3 42.Rc2 Rb3 43.b7 Bb7 44.cb7 Rb7 45.Rc5-+) 42.Rb2? (42.Kb1-+) 42...Bd4 (42...Bg4?! 43.Rb4 Re4 44.b7-+) 43.Rb4 Bb6! 44.Rb6 Bg4 45.a5 Be2 (45...Rc7!? 46.Kd2-+) 46.a6 Rc7?? (46...Ba6 47.Ra6 Kf7 48.Kd2-+) 47.Kd2?? (better 47.Rb8 Kf7 48.Rb7 Ba6 49.Rc7 Ke6 50.Rh7=) 47...Ba6!-+ 48.Ra6 Kf7 49.Kd3 Ke6 50.Kd4 Kd6 51.Ra5 h6 52.Rd5 Kc6 53.Rf5 Rd7 54.Ke4 Rd6 55.Kf3 Kd7 56.Kg4 Ke7 (56...Rd4 57.Kf3-+) 57.Rb5 (57.Kh5 Re6-+) 57...Kf7 (57...Kf6 58.Kh5 Rd2 59.Rb6 Kf5 60.Rb5 Kf4 61.Rb4 Kf3 62.Rb3 Kf2 63.Rb4-+) 58.Rb7 (58.Kh5 Rf6-+) 58...Kg6 59.Rb4 (59.Kf3 h5-+) 59...Rf6 (59...h5 60.Kg3-+) 60.Kg3 Rf5 (60...h5 61.Ra4-+) 61.Kg4 (61.Rb6 Kh5 62.Rb4-+) 61...Rf6 62.Rb5?? (62.Kg3 h5 63.Ra4-+) 62...h5-+ 63.Kg3 Rf4 (better 63...h4!? 64.Kg2-+) 64.Rb6 Rf6 65.Rb5 g4 (better 65...h4!? 66.Kg2-+) 66.Kh4 (66.Kh4 Rf5 67.Rb6 Kf7 68.Ra6-+). cabbage9 (2865) - zsolti_83 (2635), Rated Bullet game, lichess.org, 2020.

5.c4 0-0 6.Nc3 f5 7.g3 h5 8.h4 (8.Bg2 d6=) 8...d6 9.Bg2 c6 10.e3 a5 11.b5 Qc7 12.Rc1 Nd7 13.Nge2 Ne5 14.d3 Rd8 15.0-0 Be6 16.Nf4 Qd7 17.Ncd5 (17.Qa4 Rac8+/-) 17...cd5 (better 17...Bd5!? 18.cd5 cb5=) 18.cd5+= Bd5 (better 18...Bh6!?+=) 19.Nd5+- Kh7 (19...Qb5 20.d4 Rab8 21.a4+-) 20.Nb6 Qb5 21.Na8 Ra8 22.d4 Nc4 23.Qd3 (23.Rb1 Qe8+-) 23...d5 24.Bd5! Qd5 25.Qc4 Qf3 (25...Qc4 26.Rc4 Bf8+-) 26.Qf7 f4 (26...Rf8 27.Qd7+-) 27.Rc7 (worse 27.ef4 Rf8 28.Qe7 b5+-) 27...Rg8 28.Qf4 (28.Qf4 Qf4 29.gf4+-) 1-0. fireheart92 (2810) - Gahan_MG (2740), Rated Bullet game, lichess.org, 2021.

5.c4 a5 6.b5 (6.Nc3 ab4 7.ab4 Ra1 8.Qa1 Nc6=) 6...f5 (6...0-0 7.d4=+) 7.Nc3 (7.d4 f4=) 7...b6 (7...0-0 8.d4=) 8.e3 Bb7 9.d4 d6 (9...0-0 10.Nf3=) 10.Nf3+= Nd7 (10...0-0 11.Nd5+=) 11.Be2 0-0 12.0-0 g5 (12...Re8 13.Nd5+/-) 13.Ne1 (13.Qd3 g4 14.Nd2 Qf6+/-) 13...g4 (13...Re8 14.Bf3 Be4 15.Ne4 fe4 16.Bg4+/-) 14.Nd3 Qg5 (14...Re8 15.Nd5+/-) 15.Nf4 (15.Nd5 Rfc8+/-) 15...Nf6 (15...Rfe8 16.Ncd5 Rac8 17.Bd3+/-) 16.Ncd5 Bd5 (16...Nd5 17.Nd5 Rfc8 18.Bd3 Bd5 19.cd5+=) 17.cd5 Ne4 (17...Rfe8 18.Rc1+/-) 18.Rc1 (18.Qc1 Rfc8+-) 18...Rac8 19.f3 gf3 20.Bf3 Rfe8 21.Rc4 (21.Rc6 Qh4+-) 21...Qe7 (21...Qh4 22.Rc6+/-) 22.Be4 Qe4+/- 23.Rf3 Bh6 24.Rc3 Bf4 25.Rf4 Qd5 26.Qh5 Qb5= 27.Rf5 Qb1 28.Kf2 Qa2 29.Kf3 Qe6 30.d5 Qe4 31.Kf2 Re7 32.Rf4 Qe5?? 33.Qg4+- Kf8 34.Qc8 Re8 35.Qf5 (35...Qf5 36.Rf5+-; 35.Qc7!? Qd5 36.Rc2 Re4 37.Re4 Qe4 38.Qd6 Kg7 39.Qd4 Qd4 40.ed4 Kf8+-) 1–0. Bulcourf,Carlos (2260) – Filartiga Torres,Oscar, Buenos Aires Intercoop, 2002.

5.c4 d5 6.cd5 Qd5 7.Nc3 Qe6 8.e3 Nc6 9.d4 Qe7 (9...0-0 10.Nf3 Rd8 11.Be2+=) 10.g3 0-0 11.Bg2 Bf5 (11...Nd8 12.Nf3+=) 12.Nge2 Rad8 (12...Nd8!?+=) 13.0-0 Qd7 14.Nf4 (14.b5 Ne7+/-) 14...Rfe8 (14...Ne7 15.Bb7 c5 16.Bf3 cd4 17.ed4+/-) 15.Rc1 a6 (15...Nb8 16.Bb7 c6 17.Ba8+/-) 16.Na4+- Be4?? (better 16...Bg4 17.Nc5 Bd1 18.Nd7 Rd7 19.Bc6 bc6 20.Rfd1 a5+-) 17.Nc5 Qd6 (17...Bg2 18.Nd7 Bf1+-) 18.Ne4 Qe7 19.Nc5 f5 (19...Nb8 20.Nb7 Rc8 21.Qa4+-) 20.Nb7 Rb8 (20...Nb8 21.Nd8 Rd8 22.Nd5+-) 21.Bc6 1-0. Bauer,Ch (2635) - Billaud,Marc, Europe-Echecs Blitz Open, 2020.

5.c4 h5 6.Nc3=+ h4 (6...0-0 7.Nf3=) 7.e3 0-0 8.h3 f5 9.d4 (9.Nf3 a5=) 9...b6 (9...Re8 10.Be2=+) 10.Nf3 Bb7 11.Be2 c5 12.0-0 Nc6 13.Rb1 cd4 14.ed4 d6 (14...Qf6 15.Nb5=) 15.Nd5 (15.Re1 Re8+=) 15...Ne7= 16.Ne7 (16.Nc3 Bf6=) 16...Qe7=+ 17.Re1 Qf6 18.Qd2 Rac8 19.d5 Rfe8 20.Bf1 Re4 21.Bd3 (21.Rec1 Re7=) 21...Re1=+ 22.Re1 Ba6 (22...b5!? 23.cb5 Bd5=+) 23.Qf4 Qc3 c4 becomes the focus of attention 24.Bf1 Bc4?? (better 24...Be5 25.Re5 de5 26.Ne5 Qe1= (26...Qa3? 27.d6+-)) 25.Rc1+- (25.Rc1 Qa3 26.Rc4 (26.Bc4? b5-+) 26...Rc4 27.Qc4+- (27.Bc4?! Qb4 28.Qh4 Qc5+/-)) 1-0. FeegLood (2640) - Lance5500 (2505), lichess.org, 2015.

5.d4 a5 6.b5 f5 7.Nf3 c5 8.c3 0-0 (8...Qe7 9.e3=) 9.g3 (9.dc5!? Re8 10.Qd5+/-) 9...d6 10.e3 Nd7 11.Nbd2 Nb6 Black intends a4 12.Bg2 Be6 13.0-0 h6 14.Qb1 a4 15.Qd3 Qd7 16.c4 cd4 17.Nd4 Rfc8 18.Rac1 Qe7 19.Rfd1 Nd7 20.Ne6 Qe6?? (20...fe6!? 21.Nf3 Nc5=) 21.Nf3?? (better 21.Bb7 Nc5 22.Bc8 Nd3 23.Be6 fe6 24.Rc2+-) 21...Nb6 22.Nd2 (worse 22.Qd6 Nc4 23.Qd7 Qd7 24.Rd7 b6=) 22...Rab8 (22...Nd7!?=) 23.Bd5 Qe7 24.Rb1 Rc5 25.e4 f4 26.gf4 Rcc8 27.Qe3 Nd7 (27...Nd5 28.cd5 Qd7 29.Qe2+=) 28.Nf3 Nc5 29.e5 de5 30.fe5 (30.Ne5 Be5 31.fe5 Kh7+/-) 30...Re8+/- 31.Re1 Kh7 32.Re2 b6 33.Rbe1 Rbd8 (33...Qc7 34.Qd4+/-) 34.Qd4 Nb3? (better 34...Rd7+/-) 35.Qb6+- Qa3?? (35...Rf8 36.Kg2 Nc5+-) 36.Bf7 (36.Bf7 Qe7 37.Qg6 Kh8 38.h4+-) 1-0. Musli111 (2295) - almasssss (2350), lichess.org, 2021.

5.e3 a5 6.b5 f5 (6...d5 7.Be2=) 7.d4 f4 8.ef4 (8.Qf3 fe3 9.Qe3 Qe7=) 8...Qf6 (8...0-0 9.Nf3=) 9.Ne2 0-0 10.g3 (10.Nbc3 Qf5=) 10...Re8=+ 11.Bg2 (11.c3 d5=+) 11...Qd4 12.Qd4 Bd4 13.c3 Bb6 (13...Bg7 14.f5=+) 14.Ra2 (14.f5 c6=+) 14...d6 15.0-0 Nd7 (15...c6 16.Rb2 Bc5 17.bc6 bc6 18.h3=+) 16.Nd4 Nf6 17.Nd2 (17.Re2 Re2 18.Ne2 d5=+) 17...d5 18.a4 (18.N2f3 Ne4=+) 18...Bg4 19.h3 Bd7 20.N2f3 Ne4 21.Rc2 Rad8 (21...c5 22.bc6 bc6 23.Ne5 Nc3 24.Ndf3 Na4 25.Nd7+-) 22.Rd1 Nc5 23.Ne5 Bc8 24.Ra2 Kg7 25.Kh2 f6 26.Nd3 Ne4 27.Rc2 Kf7 28.Bf3 Kg8 29.Kg2 Rd6 30.Nb2 Kf8 31.h4 Bd7 32.h5 (32.Be4 Re4 (32...de4?! 33.Nc4=) 33.Nd3 h5-/+) ½–½. Lebel,Patrick – Benassi,Aspasio, Orang–Utan Invitational, 2001.

5.e3 d5=.

5.e3 d6 6.Nf3 c5 7.bc5 dc5 8.c4 Nc6 9.Nc3 f5 10.Rc1 Be6 11.Be2 0-0 12.0-0 Rc8 13.Qc2 Qe7 14.Rfd1 Rfd8 15.Ne1 f4 16.e4 Nd4 17.Qb1 g5 18.Bd3 g4 19.Ne2 Qg5 20.Nd4 Bd4-+ 21.Nc2 Bf2! 22.Kf2 Rd3 23.Nd4?? Rd4 (24.Kg1 g3-+) 0–1. Denney,Cyril – Jobe,Tom, IECG, 1998.

5.Nf3 0-0 6.e4 Re8 7.Nc3 d6 8.h3 f5 9.Bd3 fe4 10.Ne4 Ba1 11.0-0 Bg7 12.c3 Nc6 13.Qb3 Be6 14.c4 d5 15.Neg5 Nd4 16.Nd4 Bd4 17.Nf3 Bf6 18.cd5 Bd5 19.Bc4 Bc4 20.Qc4 Qd6 21.Rd1 Rad8 22.a4 c6 23.Kf1 Qd3 24.Qd3 Rd3 25.b5 Bc3 26.bc6 bc6 27.Kg1 a5 28.Kh2 Bb4 29.Ne1 Rd2 30.Rc1 Ree2 31.f3 Bd6 32.Kh1 Bg3 0–1. Frank – Trkn, itsyourturn.com, 2000.

5.Nf3 d6 6.e3 0-0 7.Nc3 Nd7 8.Bc4 b6 9.0-0 Bb7 10.Qe2 Ne5 11.Ne5 fe5 12.Ba6 Bc6 13.Qc4 Bd7 14.Bb7 Rb8 15.Bc6 Bf5 16.Nd5 Be6 17.b5 Bd5 (17...Qg5) 18.Bd5 h6 19.Rab1 Qe7 20.Qa4 Kh7 (20...Bf6) 21.f3 f5 22.Qa7 e4? (22...Bf6) 23.fe4 fe4 24.Qa4 Qe5 25.Qe4 Qe4 26.Be4 h5 27.Bd5 Be5 28.g3 Kh6 29.Rb4 Rf1 30.Kf1 Rf8 31.Kg2 g5 32.Rc4 1–0. Wall,Bill – Guest2050107, playchess.com, 2012.

5.g3 a5 6.b5 0-0 7.Bg2 Qe7 8.e3 Re8 9.Ne2 Qe5 10.Nbc3 c6 11.0-0 cb5 12.Rb1 b4 13.ab4 a4 14.Ra1 a3 15.Qc1 d6 16.Nd4 Nc6? 17.Nc6+- bc6 18.Bc6 Bh3 19.Re1 Bf5 20.e4 Bg4 21.Ba8 Ra8 22.Ra3 Ra3 23.Qa3 Bh6 24.Nb1 Qd4 25.d3 Bg5 26.b5 Kg7 27.Kg2 h5 28.f4 Bh6 29.Qc3 Qb6 30.Na3 h4 31.Nc4 h3 32.Kf1 Qb5 33.Nd6 Qd7 34.e5 Kh8 35.Ne4 fe5 36.Qe5 Bg7 37.Nf6 Bf6 38.Qf6 Kg8 39.Re7 Qe7 40.Qe7 Bf5 41.Qh4 Be6 42.g4 f5 43.Qf6 Bf7 44.gf5 gf5 45.c4 Kf8 46.c5 Ke8 1–0. Bonetti,Shane – Grynt (2170), ICC, 2002.

5.g3 a5 6.Nc3=+.

5.g3 Nc6 6.Bg2 d5 7.Nc3 d4 8.Bc6 bc6 9.Ne4 f5 10.Nc5 d3 (better is 10...a5!?=) 11.c3 (< 11.ed3 Ba1 12.Qa1 0-0=+) 11...0-0 12.Nd3 Re8 13.Nc5 Qd5 14.f3 a5 15.Qa4 Be6 16.Ne6 Qe6 17.ba5 Qd5 18.a6 Rad8 19.Rd1 g5 20.a7 g4 21.c4 Qe5 22.Qc6 Qa5 23.Qb5 Qa7 24.Qf5 gf3 25.Nf3 Qa3 (25...h6+-) 26.Ng5 Qe7 27.Qh7 Kf8 28.Qh5 Rd7 (28...Bf6 29.h4+-) 29.Rf1 Bf6 (29...f6+-) 30.Nh7 Kg7 31.Nf6 (31...Qe2 32.Qe2 Re2 33.Ke2 Re7 34.Kd3+-) 1–0. Bonetti,Shane – PGHTHRMAL, ICC, 2002.

5.c3 0-0

6.d4 d5 7.Nf3 Re8 8.Nbd2 Nd7 9.Rc1 f5 10.e3 Nf6 11.h3 a6 12.c4 c6 13.Be2 Ne4 14.0-0 Nd2 15.Qd2+= Bh6 16.Rfe1 Qf6 17.cd5 cd5 18.Bd1 Be6 19.Rc7 Re7 20.Qc3 b5 21.Bb3 Rc7 22.Qc7 Rc8 23.Qd6 Qd8 24.Qa6 Ra8 25.Qb5 Ra3 26.Rb1 Bf8 27.Ne5+- Qa8 28.Kh2 Ra7 29.Bc2 Rb7+= 30.Qc6 Qb8 31.Qc3?? Rb4?? 32.Rb4 Qb4 33.Qb4 Bb4 34.Kg3 Bd6 35.Kf3 Be5 36.de5 ½–½. Serowy,Reinhold – Dobrowolski,Jerzy, Brandenburg Seniors op, 2003.

6.d4 f5 7.e3 d6 8.Nf3 c5 9.dc5 dc5= 10.Be2 b6 11.0-0 cb4 12.ab4+= Nc6 13.Ra2 Be6 14.b5?? Qd1 15.Rd1 Ba2 16.bc6 Bb1 17.Rb1 Rfc8 18.Bb5? a6-+ 19.Bd3 Rc6 20.c4 a5 21.Nd4 Rd6 22.Be2 Bd4 23.ed4 Rd4 24.Rb6 a4 25.Rb1 a3 26.Ra1 Rd2 27.Bf3 Rb8 28.h3 a2 29.Kh2 Rb1 (29...Rb1 30.Ra2 Ra2-+) 0–1. pillsbury (2060) – pvhameren (2100), net–chess.com, 2008.

6.e4? Re8!?-/+.

6.g3 Nc6 7.Bh3 Re8 8.Qb3 Qe7 9.e3 f5 10.Nf3 d6 11.a4 Ne5 12.Ne5 Qe5 13.f3 g5 14.0-0 Be6 15.Qc2 c5 16.bc5 Qc5 17.Na3 a6 18.d4 Qc6 19.f4 Bc4 20.Bg2 Qc7 21.Rfe1 Be6 22.fg5 Re7 23.d5 Bd7 24.Nb1 b5 25.ab5 Qc5 26.h4 Re3 27.Re3 Qe3 28.Kh2 f4 29.Bf3 Qf3 30.gf4 Qf4 31.Kg1 Qg3 32.Kf1 Bh3 33.Ke2 Re8 34.Kd2 Qe3 35.Kd1 Qe1# 0–1. karlsdad – pikelet, ChessWorld.net, 2011.

5.Nc3 0-0

6.e3 Re8 7.Nf3 Nc6 8.Bc4 Ne5 9.Ne5 fe5 10.Ne4?? (10.Qf3 Rf8=) 10...Kf8?? (10...d5 11.Bd5 Qd5 12.d3-+) 11.Bf7?? (better 11.Nc3=) 11...Kf7-+ 12.h4 (12.c4 Kg8-+) 12...Rg8 (12...d5!? 13.Nc3-+) 13.Qh5?? (better 13.Ng5 Ke8 14.Qf3-+) 13…gh5 1-0. opperwezen (2675) - yscorpion (2595), lichess.org, 2017.

6.e3 h5 7.Nf3+= d6 8.Be2 Bf5 9.0-0 Nc6 10.d3 Ne5 11.Nd4 Bd7 12.Nf3 Bg4 (12...Bf5!?=) 13.Rb1 b6 (13...Be6 14.d4 Nf3 15.Bf3+=) 14.Ne5 (better 14.Nd2+/-) 14...Qe7?? (better 14...Be2 15.Ne2 fe5+=) 15.f3 (better 15.Ng4 f5 16.Bf3 Rac8+-) 15...Bh3? (15...Qe5 16.fg4 Qc3 17.Rb3+-) 16.Ne4 (better 16.Nc4 Be6 17.e4+-) 16...Qe5 17.Kf2 1-0. opperwezen (2755) - dovijanic (2525), lichess.org, 2016.

6.Nf3 a5 7.b5 b6 (7...f5 8.e3=) 8.e3 Bb7 9.g3 d6 10.Bg2 Nd7 11.0-0 f5 12.Nh4 (12.d4 Rc8=) 12...Bg2= 13.Ng2 Qe7 (13...Bc3!? 14.dc3 Re8=) 14.d4+= Nf6 15.Nf4 Qd7 16.Qd3 (16.Ncd5 Ne4+/-) 16...d5+= 17.a4 Ne4 (17...Rfe8 18.Nce2=) 18.Ncd5 (18.Nfd5 Rad8 19.Rad1+/- (worse 19.Ne4 fe4 20.Qe4 Rfe8 21.Nb6 cb6=+)) 18...g5= 19.f3 gf4 20.fe4 fg3? (better 20...fe4!? 21.Qe4 Rae8+=) 21.c4 (21.Rf5!? Qd6+-) 21...gh2 22.Kh1 Rae8 (better 22...fe4!? 23.Qe4 Rae8+/-) 23.Rf5+- Qe6 (better 23...Re6+-) 24.e5 Kh8 (24...Rc8 25.Raf1 (25.Kh2?! Kh8+-) 25...c6 26.Rh5+-) 25.Raf1 (better 25.Nf6 h6 26.Rh5 Qf6 27.ef6+-) 25...Qg6 26.Qe4?? (better 26.Nf4 Qg4+-) 26...f6?? (26...Be5!? 27.Qg2 Qg2 28.Kg2 Bd6+=) 27.Qg2?? (better 27.Nc7 fe5 28.Ne8 Re8 29.d5+-) 27...fe5 28.Rf8 (28.Nc7 Rf5 29.Rf5 Rc8=) 28...Rf8 29.Rf8 Bf8 30.Kh2 (better 30.Qg6!? hg6 31.Nc7 (31.Kh2?! ed4 32.ed4 Ba3+=) 31...ed4 32.ed4+-) 30...Qh6 (30...Qh5 31.Qh3 Qe2 32.Kg3 ed4 33.Qc8 Qe1 34.Kf3 Qf1 35.Ke4 de3 36.Ne3=) 31.Qh3 Qg6 (31...ed4!? 32.Qh6 Bh6 33.ed4 Bg7 34.Nc7 Bd4=) 32.de5 Qc2 33.Qg2 Qf5 34.Qg3 (34.Nc7? Qe5 35.Qg3 Bd6 36.Qe5 Be5 37.Kh3 Bc7-+) 34...Bg7 35.Nf6 (35.Nc7?? Be5 36.Kg2 Bg3 37.Kg3 Qe5 38.Kg4 Qc7-+) 35...Qc2? (35...Bf6!? 36.ef6 Qf6+=) 36.Kh3 (36.Qg2 Qg2 37.Kg2 h6+-) 36...Qf5 (better 36...Qa4!? 37.Qg4 Qa3+/-) 37.Qg4+- Qg4 (37...Qf1 38.Kg3 Qg1 39.Kf4 Qf1 40.Kg5 Bf8+-) 38.Kg4 h6 (38...Bf8+-) 39.Kf5 h5 (39...Bf8 40.Kg6 h5 41.Nh5+-) 40.Kg5 (better 40.Nh5 Bh6 41.e6+-) 40...Bf6 (40...Bf8+-) 41.ef6 Kg8 42.e4 (better 42.Kh5!? Kf7 43.Kg5 Ke6+-) 42...Kf7 43.e5 h4 44.Kh4 Ke6 45.Kg5 Kf7 (45...Ke5 46.f7 Kd4+-) 46.Kf5 Kf8 (46...Ke8 47.e6 c6 48.f7 Ke7 49.bc6 Kd6 50.f8Q Kc7 51.e7 b5 52.Qd8 Kc6 53.e8Q Kb7 54.Qb5 Ka7 55.Qda5) 47.e6 Ke8 (47...Kg8 48.f7 Kg7 49.Kg5 c5 50.bc6 b5 51.c7 bc4 52.c8Q c3 53.Qg8) 48.e7 (48.f7 Ke7 49.Ke5 c6 50.bc6 b5 51.c7 bc4 52.c8Q c3 53.f8Q) 48...Kf7 49.Ke5 Ke8 (49...Kg6 50.e8Q Kg5 51.Qg8 Kh5 52.Kf5 c6 53.Qg5) 50.Ke6 c6 51.f7 1-0. black_bishop_88 (2550) - RaschnRukk (2565), lichess.org, 2020.

6.Nf3 Re8 7.e3 d5 8.Be2 Be6 9.0-0 Nd7 10.d4 f5 11.Na4 Nf6 12.Rc1 b6 13.c4 (13.Bb5 Bd7 14.Bd7 Qd7=) 13...Qd7 (13...dc4!? 14.Qc2 f4 15.Bc4 fe3 16.fe3 Bh6=+) 14.Nb2 Ne4 15.c5 a5 16.c6 Qe7 17.Qb3 g5 18.b5 (18.Rfe1!?=+) 18...g4-/+ 19.Ne1 Nd2 20.Qd3 Nf1 21.Bf1 Qg5 22.a4 (22.Qd2 a4-+) 22...Rad8 (better is 22...f4!? 23.Nd1-+) 23.g3 h5 24.Ng2 Bf6 25.Nf4 h4 26.Bg2 Kg7 27.Nd1 Rh8 28.Nc3 hg3 29.hg3 Qh6 (29...Be7 30.Ncd5 Bd6 31.Nb6 cb6 32.d5-/+) 30.Kf1 (30.Ncd5 Rc8=) 30...Bg5 31.Nce2 (better is 31.Ncd5!? Bf4 32.Nf4=) 31...Rh7 32.Ke1 Rdh8 33.Kd2 Qf6 34.Bd5 Qe7 35.Be6 fe6 36.Qc3 Kf7 37.d5 Rd8 38.Ne6?? Rd5 39.N6d4-/+ Rh2 40.Rf1 (40...Ke8 41.Qc4=+). revbodio1 – mysterytramp, Live Game Caissa's Web, 2004.

6.g3 c6 7.Bg2 d5 8.Na2 f5 9.Nf3 Ba1 10.Qa1 a5 11.ba5 Qa5 12.Qc3 Qc3 13.Nc3 Ra3 14.0-0 Nd7 15.h3 Re8 16.e3 Ne5 17.Ne5 Re5 18.d4 Rc3 0–1. Fischer,Hermann – Neumann,Ulf, (year?).

6.h4 h5 7.Rb1 f5 8.e3 Nc6 9.d4 Re8 10.Be2 (10.Nge2 b6=) 10...d5 (10...f4 11.b5 Ne7 12.e4=+) 11.Nf3 a6 12.0-0 b5 13.g3 Ne7 14.Ne5 Be5 15.de5 c6 16.Bh5?? (better is 16.a4+=) 16...gh5-+ 17.Qh5 Ng6 18.Qh6 Re5 19.h5 Nh4?? (better is 19...Qf8 20.Qf8 Nf8-+) 20.gh4 Qh4-/+ 21.Qc6?? f4-+ 22.ef4 Rh5 (23.Qe8 Kg7 24.Qe5 Re5 25.Rfd1 Qg4 26.Kf1 Qh3 27.Kg1 Rh5 28.f3 Qf3 29.Rd5 Rh1; 22...Qg4 23.Kh1 Rh5) 0–1. Hardin – screech, Live Game Caissa's Web, 2004.

5.c4 f5

5.d4 0-0

6.e3 b6 7.Be2 c5 (7...a5!? 8.b5 Re8+=) 8.Bf3+- d5 9.c4 Bb7 10.Nc3 (10.dc5 f5 11.Ra2 bc5 12.Bd5 Bd5 13.Qd5 Qd5 14.cd5 cb4 15.ab4 Rd8+=) 10...cd4+= 11.ed4 (11.Nd5 de3 12.Ne3 Nc6+=) 11...f5 (better 11...dc4!? 12.Bb7 Qe7 13.Qe2 Qb7=+) 12.Nge2+- Qc8 (12...Qd7 13.Bd5 Bd5 14.Nd5+=) 13.Nd5 Bd5 (better 13...Qd7!? 14.b5 Re8+-) 14.Bd5+- (14.cd5?! a5+-) 14...Nc6 15.b5 Na5 16.0-0 Rd8 (16...Rb8 17.Qd3+-) 17.Ba8 Qa8 18.Rc1 f4 (18...Qe4 19.Re1+-) 19.Qd3 g5 (19...f3 20.gf3 a6 21.Rfd1+-) 20.h3 (20.Rfd1 h6+-) 20...h6 21.Rfd1 Rd7 22.Qf3 (22.Rd2 Qd8+-) 22...Qd8? (better 22...Qf3 23.gf3 Nb3+-) 23.c5 bc5 24.Rc5 Nb7 25.Rc6 Nd6 26.a4 Nf5 27.d5 Ne7 28.d6 (better 28.Rc2+-) 28...Nc6+- 29.Qc6 Bf8 30.a5 Rd6 31.Rd6 Qd6 32.Qd6 Bd6 33.Nd4 Bc5 34.Nc6 f5 (34...Kf8 35.Na7! Ke7 36.Nc6 Kd6+-) 35.Na7! g4 (35...Ba7 36.b6 Passed pawn) 36.b6 g3 37.Kf1 gf2 38.Nc6 1–0. FeegLood (2705) – Seppo (2415), lichess.org, 2015.

6.e3 c6 7.Nf3 d5 8.b5 f5 9.bc6 bc6 (9...Nc6 10.g3=+) 10.Be2= Nd7 11.0-0 Nf6 12.c4 Ne4 13.Nfd2 (13.Qc2 Re8=) 13...Be6 (13...c5!?=+) 14.cd5 cd5 (worse 14...Qd5 15.Ne4 fe4 16.Nc3+/-) 15.Nb3 (15.Qa4 Qg5=) 15...Rc8 (15...f4 16.Bd3=+) 16.N1d2= Nc3 17.Qe1 Qe7 18.Bd3 Rc7 19.Nc5 Rfc8 20.Ndb3 Ne4 21.Rc1 Nc5 (21...f4 22.Qe2= (worse 22.Ne4 de4 23.Ba6 Rc1 24.Nc1 Rc7-/+)) 22.Nc5+= (worse 22.dc5 Bb2-/+) 22...Qd6 23.Qa5 Bf8 24.Rb1 Qc6 (24...f4 25.Ba6 Re8 26.e4+=) 25.Rfc1 (25.Ba6 Bc5 26.dc5 Rd8+/-) 25...Bc5 (25...Qd6 26.Ba6 Re8 27.Rc3+/-) 26.Rc5 (26.Qc5?? Qd7 (26...Qc5?! 27.dc5 Rc5 28.Rc5 Rc5 29.a4-/+) 27.Bb5 Rc5 28.Rc5 Qd6-+) 26...Qd6 27.Rbc1 Rc5 28.Rc5 Rc5 29.dc5 Qb8 30.Bb5 Bd7 31.a4 (31.Bf1 Bc6+/-) 31...Bb5 (31...f4!?+/-) 32.ab5 Qe5 (32...f4 33.c6+-) 33.g3 Qe4 34.Qa2 (34.c6!? Qb1 35.Kg2 Qe4 36.Kf1 Qb1 37.Ke2 Qc2 38.Qd2 Qc5+-) 34...Qb4+/- 35.Qa7 (35.Qd5 Qb5 36.h3 a5+=) 35...Qb1 36.Kg2 Qe4 37.Kf1 Qb1 38.Kg2 Qe4 39.Kh3 Qg4 40.Kg2 Qe4 ½-½. FeegLood (2695) - opperwezen (2730), Monthly HyperBullet Arena, lichess.org, 2017.

6.e3 d5 7.c4 a5 (7...Be6 8.cd5 Qd5 9.Nf3+=) 8.b5 c5 9.bc6 (9.Nf3 Bg4 10.dc5 f5=) 9...bc6 (9...Nc6 10.Nc3+=) 10.cd5 (10.Nf3 Be6+=) 10...Qd5 (10...cd5!? 11.Nc3 Nc6+=) 11.Nc3= Qd6 12.Nf3 f5 (12...Nd7 13.h4=) 13.Be2 c5 (13...Nd7 14.0-0=) 14.Nb5 Qe7 15.0-0 cd4 16.Nfd4 Bb7 (16...Bd7 17.Rc1+=) 17.Bf3 (17.Rc1 Rd8+=) 17...Na6 (17...Bf3 18.Qf3 Nd7 19.Rac1=) 18.Bb7 (18.Rc1 Rfd8+=) 18...Qb7 19.Qf3 (19.Rc1 Rfd8=) 19...Qf3 20.gf3 Rfc8 21.Rac1 (21.Rfc1 Rab8=) 21...Bf8 22.Nc6 (22.Kg2 Rab8=) 22...Nc5 23.Nbd4 (23.Nca7 Rcb8 24.Rfd1 a4=) 23...Ra6 0–1. Xiong,Jeffery (2650) – Vachier_Lagrave,Maxime (2795), chess.com Speed 1m+1spm, 2017.

6.e3 d5 7.Nf3 c6 8.Be2 Bg4 9.0-0 Bf3 10.Bf3 (worse 10.gf3 a5=) 10...f5 11.Nd2 Nd7 (11...Re8 12.Nb3+=) 12.c4+= Nf6 13.cd5 Nd5 14.Qb3 Re8 15.Bd5 Qd5 16.Qd5 cd5 17.g3 Rac8 18.Rfc1 Kf8 19.Rf1 (19.Rc5 Rc5 20.bc5 g5+=) 19...Rc7 (19...g5 20.Nf3 f4 21.ef4 gf4 22.Rac1=) 20.Rfc1 Rec8 21.Rd1 (21.Rc7 Rc7 22.Kf1 Ke7=) 21...Rc2 22.Kf1 Ke7 23.Ke2 Kd6 24.Rab1 Bf8 25.Rb3 b5 (25...h6 26.Kd3=) 26.Ke1 (26.Ra1 a6=) 26...a6 27.Nf3 R2c3 (27...Bg7 28.Rd2=+) 28.Rd3 (28.Rc3 Rc3 29.Ra1 f6=) 28...Rb3 (28...R3c7!?=+) 29.Rb3= Rc2 30.Ne5 f6 31.Nd3 Be7 (31...Kd7+=) 32.Rb2 (32.Nc5 Bd8+-) 32...Rb2 (better 32...Rc3!? 33.Nc5 Ra3=+) 33.Nb2+= g5 34.Nd3 Kc6 35.Kd2 Bd6 36.Kc3 a5 (36...g4 37.Nc5 a5 38.Ne6+=) 37.Nc1 (37.ba5 Ba3 38.Nb4 Kb7 39.Nd5 Ka6+-) 37...ab4+= 38.ab4 h5 39.Ne2 h4 (better 39...Kd7!?=) 40.gh4+- gh4 (better 40...f4 41.h5 fe3 42.fe3 Bf8+-) 41.h3?? (41.f4 Kd7+-) 41...Bc7? (41...f4 42.ef4 f5 43.Ng1+=) 42.Ng1?? (42.f4 Kd6+-) 42...Bd6?? (better 42...f4=) 43.Nf3 (better 43.f4!? Kd7+-) 43...Bh2?? (better 43...f4 44.ef4 Bf4 45.Nh4 Kd6+-) 44.Nh2 1–0. FeegLood (2760) – aakash_dalvi (2150), lichess.org, 2017.

6.e3 d6 7.Nf3 f5 (7...Re8 8.Bd3=) 8.Be2+= b6 9.0-0 Bb7 10.c4 Nd7 11.Nc3 Nf6 12.Nd2 Qd7 (12...Ne4 13.Nde4 fe4 14.f3+=) 13.Bf3 c6 14.a4 Rad8 (14...Rfe8 15.a5 c5 16.Bb7 Qb7 17.b5+=) 15.b5 c5 16.d5 (16.Bb7 Qb7 17.Nb3 Rc8+=) 16...Rfe8 (16...Ne4 17.Nce4 fe4 18.Ne4=) 17.Qc2 Re7 (17...a5 18.Rae1+=) 18.a5+/- Rde8 19.ab6 ab6 20.Ra7 Qd8 21.Rfa1 Rc7 22.h3 Ree7 23.R1a2 Bf8 (23...Rc8 24.Qa4+/-) 24.Na4+- Rc8 25.Nb3 (25.Nc3 Rcc7 26.Qd3 Bg7+/-) 25...Ne4 (25...Bg7 26.Nc3+/-) 26.Nc3 (26.Be4 fe4 27.Nc3 f5+-) 26...Nc3+/- 27.Qc3 Bg7 28.Qd2 Qe8 29.Nc1 f6 30.Ne2 h5 31.Nf4+- Ra8 32.Ne6 Ra7 33.Ra7 Bh6 34.Qb2 g5? 35.Qf6 g4 36.hg4 hg4 37.Be2 Bg7 38.Qf5 g3 39.fg3 Rf7 40.Qg4 Re7 41.Bd3 Qb8 42.Qh5 Re6 43.de6 Kf8 44.Qf7 1–0. garompon – ElijahMohammed (1930), ICC, 2002.

6.e3 f5 7.Nf3 d6 8.Be2 b6 9.0-0 Bb7 10.Nbd2 c5 11.c3 cd4 12.cd4 Nd7 13.Ne1 Nf6 14.Bf3 Ne4 15.Qc2 Nd2 (15...Rc8 16.Qb2=) 16.Qd2+= (worse 16.Bb7 Nf1 17.Ba8 Ne3 18.fe3 Qa8-/+) 16...Bf3 (16...Be4 17.Rc1+=) 17.Nf3 (17.gf3?! Rc8=) 17...Rc8 18.Rfc1 Qd7 19.Ne1 d5 20.Nd3 Rc6 (20...Rc4 21.Ra2+=) 21.Rc6+- Qc6 22.Rc1 Qe6 23.Nf4 Qe4 (23...Qd6 24.Rc3+-) 24.Qd3 (24.f3 Qe7+-) 24...Qd3 (24...Bh6 25.Qe4 de4 26.Ne2+=) 25.Nd3+- Bh6 26.Rc7 Re8 (26...f4 27.ef4 a5 28.Kf1+-) 27.Ne5 (27.g3!?+-) 27...Bg7 28.Nf7 Bf6 (28...f4!? 29.Nd6 Re6 30.Rc8 Bf8+-) 29.Nd6 Rd8 30.Nb5 f4 (30...a6 31.Rc6 Be7 32.Nc3+-) 31.Kf1 (31.Ra7!? fe3 32.fe3 Bh4+-) 31...fe3 32.fe3 Rf8 (32...Bg5 33.Ra7 Be3+-) 33.Ke2 Bg5 (33...Re8 34.Ra7 Bg5 35.Nc7 Re3 36.Kf2+-) 34.Nc3 (34.Na7?! Re8 35.Rc8 Kf7 36.Re8 Ke8+-) 34...Re8 (34...Rf7 35.Rf7 Kf7 36.Nd5+-) 35.Nd5 Bf6 (35...a5+-) 36.Nf6 Kf8 37.Nh7 Kg8 38.Nf6 Kf8 39.Ne8 Ke8 40.g4 Kd8 41.Rg7 Ke8 42.g5 Kf8 43.Ra7 b5 Plans Rb7 44.h4 Ke8 45.Kf3 Kf8 46.e4 Ke8 47.d5 Kd8 (47...Kf8 48.d6 Ke8 49.Re7 Kd8 50.h5 gh5 51.g6 h4 52.g7 h3 53.g8Q) 48.e5 Ke8 49.d6 Kd8 50.e6 Ke8 (50...Kc8 51.e7 Kb8 52.Rd7 Kc8 53.e8Q) 51.Ra8 1–0. FeegLood (2785) – chessnightmare (2370), lichess.org, 2016.

6.Nf3 d5 7.e3 Bg4 8.h3 Bf3 (8...Be6 9.Bd3=) 9.Qf3+= (worse is 9.gf3 Re8+=) 9...c6 (9...Re8 10.Be2+=) 10.c4+/- Qe8 (10...a5 11.b5 f5 12.bc6 bc6 13.Nd2+=) 11.Bd3 (11.cd5!? f5 12.Be2+-) 11...dc4+/- 12.Bc4 b5 (12...Nd7 13.0-0+/-) 13.Bb3 (13.Bb5!? a5 14.ba5 Ra5 15.Be2+/-) 13...a5+= 14.ba5 Ra5 15.0-0 Ra6 (15...f5 16.Rc1+=) 16.Nd2 (16.Rc1 Nd7+/-) 16...Qe7+= 17.a4 Qb4 (17...ba4 18.Ba4 Qb4 19.Qd1+=) 18.Qe2 (18.Ne4 Qb3 19.Nc5 Qd5 20.Qd5 cd5 21.Na6 Na6 22.ab5 Nb8+-) 18...ba4+= 19.Bc4 (19.Bc2 f5 20.Rfb1 Qa5 21.Ra4 Qc3+-) 19...Ra7= 20.Rab1 (20.Rfb1 Qe7=) 20...Qd6 (20...Qe7 21.Qf3=) 21.Ne4 Qe7 22.h4?? (22.Nc5 Nd7 23.Nd7 Qd7=) 22...a3 (22...Qe4 23.Rb4-+) 23.h5?? (23.Nc5 Nd7 24.Nd7 Rd7+=) 23...f5 (better is 23...Qe4 24.Qa2 Nd7-+ (worse is 24...gh5 25.Rb3-+)) 24.Nd2 (24.Nc5!?+=) 24...Nd7 (24...c5 25.hg6 hg6 26.dc5-/+) 25.Qf3 (25.Nf3 f4-/+) 25...a2 (25...c5!? 26.hg6 hg6-/+) 26.Ra1+= Nb6 (26...c5+=) 27.Ba2?? (better is 27.Ra2 Ra2 28.Ba2+=) 27...Ra2?? (better is 27...Rfa8 28.hg6 hg6 29.Bf7 Kf7 30.Ra7 Ra7 31.Qc6 Qe6-/+) 28.Ra2+- Nd5 29.Rc2 (better is 29.Rfa1 f4 30.Ra7 Qg5+-) 29...Nf6 (29...f4 30.e4 (30.Rc6?! fe3 31.Nb3 Qb4 32.Qd5 e2+/-) 30...Nb4 31.Rc4+-) 30.hg6 fg6 31.Rc6 Kh8 (31...Rd8 32.Rfc1+-) 32.Rfc1 Ne4 33.Ne4 Qe4 (33...fe4 34.Qg4+-) 34.Qe4 fe4 35.Rc8 (35.Re6 Rd8+-) 35...Kg8 36.Rf8 (36.d5 Rc8 37.Rc8 Kf7 38.Rc7 Kf6+-) 36...Kf8 37.Rc4 (37.Kh2 h5+-) 37...Ke8 (37...Ke7 38.Rc6+-) 38.Rc7 (38.Rc7 Kf8 39.d5+-) 1–0. princeflash – mpopp, net–chess.com, 2017.

6.Nf3 d6 7.e3 Bg4 8.Be2 Nd7 9.0-0 Bf3 10.Bf3 (10.gf3?! f5=) 10...c6 11.c4 c5 (11...Re8 12.Nc3+/-) 12.b5 (better is 12.Bb7 Rb8 13.Bc6+-) 12...b6? (better is 12...Qc7 13.Qd3 cd4 14.ed4 Nb6+/-) 13.Ba8+- Qa8 14.Nc3 f5 15.Rc1 a6 16.a4 a5 17.Nd5 Qb7 18.Qf3 Qb8 19.Rfd1 Nf6 20.Ne7 Kh8 21.Nc6 Qc7 22.dc5 dc5 23.h3 Ne4 24.Rd3 Bb2 25.Rc2 Bg7 26.g4 Ng5 27.Qg2 fg4 28.Qg4 Ne6 29.f4 f5 30.Qd1 Bf6 31.Rd7 Qc8 32.Qd6 Re8 33.Ne5 Qa8 34.Nf7 Kg8 35.Nh6 Kh8 36.Qc6 Qc6 37.bc6 Bg7? 38.Nf7 Kg8 39.Nd6 Rd8 40.Rd8 Nd8 41.c7 (41...Bf6 42.c8Q+-) 1–0. nbh999 (2040) – jokati, ChessWorld.net, 2003.

6.g3 f5 7.e3 d6 8.Bg2 Nd7 9.c4 Nf6 10.Ne2 c6 11.Nbc3 d5 (11...Be6!? 12.Qd3 Re8+=) 12.cd5+/- cd5 13.Qb3 Be6 14.Nf4 Ne4 (14...a5 15.Ncd5 (15.Bd5?! Nd5 16.Ncd5 Qd7=; worse 15.Nfd5 Kh8-/+) 15...Nd5 16.Bd5 (worse 16.Nd5 ab4 17.0-0 Ra5-/+) 16...Bd5 A) worse 17.Qd5 ab4 18.a4 Ra5 19.Qb7 Qa8 20.Qa8 Rfa8+= (20...Raa8? 21.Kd2+-); B) 17.Nd5+/-) 15.Ncd5 g5 16.Ne6 fe6 17.Nc3 Nc3 18.Qc3 Qf6 (18...Rc8!? 19.Qb3 Qd7+/-) 19.Bb7+- Rab8 20.Bg2 Rbc8 21.Qb3 Kh8 22.0-0 f4 23.Rac1 fe3 (23...Rc1 24.Rc1 e5 25.Rc6+-) 24.fe3 Rc1 25.Rc1 Qf2 26.Kh1 e5?! (26...Qd2 27.Qc3 Qe2 28.Re1+-) 27.d5 (27.Rf1!? Qd2 28.Rf8 Bf8+-) 27...Qd2 28.Qc3 Qe2 29.Re1 (29.d6 g4+-) 29...Qh5 (29...Qa6 30.Rd1+-) 30.e4 Qg6 31.Qd3 h5 32.Rd1 h4 33.d6 hg3 34.hg3 Rd8 35.Kg1 Bf6 (35...Bf8 36.d7+-) 36.Bh3 Qg7 (36...g4 37.Bf1+-) 37.Bf5 Be7 (37...Qb7+-) 38.de7 Re8 39.Qd7 (39.Qa6 Kg8 40.Rd8 Qe7 41.Qg6 Kf8 42.Qh6 Kf7 43.Bg6 Kg8 44.Bh7 Kh8 45.Bf5 Kg8 46.Be6 Qe6 47.Qe6 Kg7 48.Rd7 Re7 49.Re7 Kf8 50.Qf7) 39...Qf7 40.Qc8! Qe7 (40...Rc8 41.Rd8 Double attack (41.Rd8 Decoy)) 41.Rd8 (better 41.Qc6 Kg8 42.Rd7 Qd7 43.Qd7 Rd8 44.Be6 Kh8 45.Qd8 Kh7 46.Qf8 Kg6 47.Bf5 Kh5 48.Qh8) 41...Rd8=+ 42.Qc6? (42.Qc1 Rd3 43.Kg2 Kg7=) 42...Rd1 (better 42...Qd6!? 43.Qc1 Qd1 44.Qd1 Rd1 45.Kf2 Ra1-+) 43.Kg2= Rd6 44.Qc8 Kg7 45.Qc3 Rd2 (45...Rd2 46.Qd2 g4+-) 0-1. opperwezen (2660) - henry_merchant (2155), lichess.org, 2017.

5.d4 f5

6.c3 d5 7.e3 0-0 8.Nf3 Re8 9.Bd3 c6 (better is 9...f4!?-/+) 10.0-0+= Nd7 11.Re1 Nf8 12.Nbd2 Ne6 13.Nb3 f4 14.e4 de4 15.Be4 Ng5 16.Ng5 Qg5 17.Qd3 Bf5? (better is 17...Rb8!?+=) 18.Bf5+- gf5 19.Nc5 b6 20.Nd7 Kh8 21.Ne5 Rg8?? 22.Nf7 1–0. Kulik,Roman (1940) – Ptasznik,Antoni (1855), Polfinal Mistrzostw Polski Niewidomych, 2008.

6.e3 0-0 7.Nf3 b6 8.c4 Bb7 9.Nc3 d6 (9...Re8 10.Qd3=) 10.Be2 c5 11.b5 (11.0-0 Re8+=) 11...Nd7 12.0-0 Rc8 13.Rc1 (13.Qd3 cd4 14.ed4 Re8=) 13...Re8 (13...Bf3 14.Bf3 (worse 14.gf3 cd4 15.ed4 Qg5 16.Kh1 Rfe8-/+) 14...cd4 15.ed4 Rc4 16.Ne2 Rc1 17.Qc1=) 14.d5 Ne5 15.Ne5 (15.Qb3 Nf3 16.Bf3 Qh4=) 15...Be5= 16.Qc2 Qf6 17.Bd3 Re7 18.Ne2 Rce8 19.Ng3 (19.g3 Qg7=) 19...Bb2 (19...f4 20.Ne4 Qg7 21.Rce1=+) 20.Rb1= Ba3 21.Rb3 (21.Ra1!? Bb2 22.Ra7+=) 21...Bb4=+ 22.Rfb1 (22.Ne2 Ra8=+) 22...f4-/+ 23.ef4 (23.Ne4 Qe5 24.ef4 Qf4=+) 23...Re1 (23...Qf4 24.R3b2-/+) 24.Nf1 Qf4 25.Re1 Re1 26.h3 (26.Rb1 Rb1 27.Qb1 Bc3-/+) 26...Qd4 (26...a6 27.ba6 Ba6 28.Qa2-/+) 27.Rb1 Bc8 28.Re1 Be1 29.Qe2 (29.Ne3 Bc3=+) 29...Qe5 (29...Bf2!? 30.Qf2 Qd3-/+) 30.Ne3 Bc3 31.Qc2 Bd4 32.Ng4 (32.Qe2 Qf4-/+) 32...Qe7 (better 32...Bg4!? 33.hg4 Qg3-+) 33.Be4?? (better 33.Qe2 Qe2 34.Be2-/+) 33…Kf8 (33...Kf8 34.Nh2 f5-/+) 0-1. POLSKA_HUSARIA (2010) - BabaRamdev, Daily HyperBullet Arena, lichess.org, 2018.

6.e3 0-0 7.g3 a5 8.b5 b6 (8...Re8 9.Ne2=) 9.Bg2+= Ra7 10.Ne2 Bb7 11.Bb7 Rb7 12.c4 c5 13.Nbc3 Rc7 (13...cd4 14.ed4 Qc7 15.Qd3+-) 14.Nd5+- Rc8 15.Qd3 d6 16.0-0 Nd7 17.Nec3 Re8 18.Rfe1 h5 19.h4 Nf8 20.Na4 Rb8 21.Rad1 (21.dc5 bc5 22.Rab1 Nd7+-) 21...Ne6 (21...cd4 22.ed4 Re1 23.Re1=) 22.dc5+- dc5? (better 22...Nc5!? 23.Nc5 dc5+-) 23.Ndb6+- Qd3 (23...Qc7 24.Qd7 Qe5 25.Qc6+-) 24.Rd3 g5 (24...Nf8 25.Kg2+-) 25.Nd7 Rbc8 26.b6 gh4 27.b7 Rcd8 (27...Rb8 28.Nb8 Rb8 29.Rb1 hg3 30.fg3+-) 28.Nac5 (better 28.gh4!? f4+-) 28...Nc5 29.Nc5 hg3 30.fg3 Be5 31.Red1 (better 31.Kf2!? Rd3 32.Nd3 Bb8+-) 31...Rd3 32.Rd3 Bg3 33.Nd7 Kg7 34.c5 h4 35.Kg2 f4 (35...Bc7+-) 36.b8Q (better 36.e4 f3 37.Kf3+-) 36...f3+- 37.Kf3 Bb8 38.Nb8 Rb8 39.Kg4 Rh8 40.Kh3 Rc8 (40...Kf6 41.c6+=) 41.Rd5 (41.Rc3 Kf6+=) 41...Kf6 (better 41...Re8!? 42.c6 Re3 43.Kh4 Rc3+= (43...Ra3?? 44.Rc5 Ra4 45.Kg3 Ra3 46.Kf4 Ra4 47.Ke5+-)) 42.Kh4+- Ke6 43.e4 f5? (better 43...Rg8+-) 44.Rf5+- Rg8 45.Rd5 Rg1 46.Kh5 (46.c6 Rc1 47.Ra5 Rc6+-) 46...Rg8? (better 46...Rc1+-) 47.c6 Rg1 (47...Rc8 48.Rc5+-) 48.Rc5 Rc1 (48...Rg8+-) 49.Rc1 (49.Rc1 a4 50.c7 Ke7 51.c8Q Kf6 52.Qc7 Ke6 53.Rc6) 1–0. FeegLood (2720) – The_Savior (2370), lichess.org, 2016.

6.e3 0-0 7.g3 a5 8.b5 c5 9.Ne2 d5 10.Bg2 1-0. FeegLood (2695) - Spinaltap (2560), Rated Blitz game, lichess.org, 2016.

6.e3 0-0 7.Nh3 d6 8.c4 Nd7?? 9.Nc3 Nf6 10.Be2 Ne4 11.Qc2 Nc3 12.Qc3 Re8 13.0-0 c5 14.Bf3 (14.bc5 dc5 15.Rad1 cd4-/+) 14...cd4 15.ed4 Qb6 16.Rad1 Be6 17.Nf4 Rac8 18.Bd5 g5 19.Ne6 fe6 20.Bf3 Qc7 21.Rc1 b6 22.Qb3 (22.Bh5 Re7+=) 22...Kh8 (better 22...g4 23.Be2 Bd4-/+) 23.Rfd1 g4 24.Be2 Qe7 25.h3 Qh4 26.hg4 fg4 27.g3 Qh5 28.Qe3 (better 28.c5!? bc5 29.bc5 dc5 30.dc5 Rc5 31.Bg4+/-) 28...e5 29.d5 Rf8 (better 29...Bh6 30.Bg4 Be3 31.Bh5 Bc1 32.Be8 Ba3=+) 30.Qe4+/- Bh6 31.Bg4 Qg5?? (better 31...Qg6 32.Qg6 hg6 33.Bc8 Bc1 34.Rc1 Rc8+/-) 32.Rc2 (better 32.Bc8 Rc8 33.Rc2+-) 32...Rc7?? (better 32...Rf4! 33.Qf4 ef4 34.Bc8 fg3 35.fg3 Qe3 36.Rf2 Qb3-+) 33.Bh3 Rg7 (33...Qh5!? 34.Qg4 Qg6 35.Qg6 hg6+/-) 34.Bg2 Qe7? (better 34...Qg4 35.Qe1 Rc7+-) 35.c5! bc5 (35...bc5 36.bc5 Combination; 35...dc5 36.bc5 Decoy) 36.bc5 dc5 37.d6 Qd7 38.Rc5 Rfg8 (38...Bg5 39.Rc7 Qe6 40.Qb7+-) 39.Rc7 Qd8 (39...Qg4 40.Rd5 Qe4 41.Be4+-) 40.Rg7 (better 40.Qe5!? Bg5 41.Rg7 Rg7+-) 40...Bg7 41.d7 Bf6 42.Bh3 Qe7 43.Rc1 Rd8 44.Rc8 Kg7 45.Qa8 (45.Qg4 Kf8+-) 45...e4 (45...h5 46.Qa7 h4 47.Rd8 Qd8 48.a4+-) 46.Rd8 Qd8 47.Qa7 e3 48.Qe3 Bg5 (48...h5 49.Be6 h4 50.g4+-) 49.Qe5 Bf6 50.Qe8 Bg5 (50...Be7+-) 51.Qd8 (51.Be6 Kh6 52.Kg2+-) 51...Bd8 52.Kg2 Kf6 53.a4 h6 54.Kf3 Ke5 (54...Ke7+-) 55.Kg4 Kd6 (55...Kf6 56.Kh5 Kg7 57.f4+-) 56.Kh5 Kc7 (56...Ke7 57.Kh6 Bb6 58.f4+-) 57.Kh6 Be7 58.Kg6 Bf8 (58...Bc5 59.Kf7 Kd8+-) 59.Kf7 Be7 60.Ke8 (60.Ke7 Kb6 61.d8Q Kc5 62.Qd2 Kc6 63.Qb4 Kc7 64.Bg2 Kc8 65.Qb7) 60...Bd6 61.d8Q Kc6 62.Qd7 (62.Qa5 Bc5 63.Bg2 Kd6 64.Qd8 Ke5 65.f4 Kf5 66.Kf7 Bd4 67.Qd7) 62...Kd5 63.Qb5 Bc5 (63...Ke4 64.Qe2 Kd4 65.Qe3 Kc4 66.Be6 Kb4 67.Qb3 Kc5 68.a5 Bc7 69.Qc4 Kd6 70.Qd5) 64.a5 (64.Qd3 Kc6 65.Bg2 Kb6 66.Qb5 Kc7 67.Qb7 Kd6 68.Qe7) 64...Ke5 (64...Kd4 65.Be6 Kc3 66.Qc5 Kd2 67.Qe3 Kc2 68.a6 Kb2 69.Qd2 Ka3 70.Qc3 Ka4 71.Bd7) 65.a6 (65.Qc5 Kf6 66.Qf5 Kg7 67.Qf8 Kg6 68.Bg4 Kg5 69.Qg7) 65...Kd4 66.a7! Ke5 (66...Ba7 67.Qa4 Double attack (67.Qa4 Decoy)) 67.Qd7 (67.Qc5 Kf6 68.Qd6 Kg7 69.Bf5 Kg8 70.Qf8) 67...Kf6 (67...Ba7 68.Bg2 Bf2 69.Qd5 Kf6 70.Be4 Bg3 71.Qf5 Kg7 72.Qf8) 68.a8Q (68.a8Q Bb4 69.Qac6 Bd6 70.Qcd6 Kg5 71.Qb5; 68.Qf7 Kg5 69.Bf5 Ba7 70.Qg6) 1-0. FeegLood (2755) - Velocity_Chess (2540), Rated Bullet tournament OBtKfWa3, lichess.org, 2015.

6.e3 a5 7.b5 0-0 8.g3 d5 9.Bg2 Nd7 10.Ne2 (10.Bd5 Nb6 11.Bg2+/-) 10...h5 (better 10...Nc5!=) 11.Bd5+/- Nf6 12.Bg2 h4 13.0-0 hg3 14.hg3 (14.fg3?! Re8 15.Qd3 Qe7=) 14...Ng4 15.Nd2 Qg5 16.Nf3 Qh6 17.Nf4 Bd7 18.Re1 (better 18.c4!?+-) 18...Bb5+= 19.Rb1 Bc6 20.d5 Ba4 (better 20...Rfd8!? 21.Qe2 Bd5 22.Nd5 Rd5 23.Rb7 c6+=) 21.Rb7+- Rac8 (21...c6 22.Qd3+-) 22.Qe2 (22.Qd2 c6 23.d6 Nf6+-) 22...g5 (22...c6 23.d6+-) 23.Nd3 (better 23.Nh3+-) 23...Rfe8? (better 23...Bc3 24.Reb1 c6+-) 24.Nc5 f4 25.Na4 (better 25.gf4 gf4 26.e4 c6 27.Na4 cd5+-) 25...fe3 26.fe3 Re3 27.Qf2?? (better 27.Qd2 Ra3 28.Nc5 (28.Qa5?? Rf3 29.Re8 Re8 30.Bh3 Qh3 31.Qc7 Qh2) 28...Rf3 29.Bf3+/-) 27...Re1?? (better 27...Rf3 28.Bf3 Nf2-+) 28.Qe1+- Re8 (28...Qa6 29.Nc5 Qc4+-) 29.Qe8 Bf8 30.Qe4 (better 30.Rc7 Qg7 31.d6 Nf6+-) 30...Qd6 (30...Nf6 31.Qd4 g4+-) 31.Qg4 Qa3 32.Qg5 (32.Qg5 Kh7 33.Ne5 Qe3 34.Qe3 Bh6 35.Qf3 Be3 36.Kf1 Bf4 37.Qh5 Bh6 38.Be4 Kg7 39.Qf7 Kh8 40.Qh7) 1-0. FeegLood (2740) - chess_stat (2595), Rated Bullet game, lichess.org, 2016.

6.e3 a5 7.b5 c5 8.bc6 Nc6 9.g3 a4 10.Qd2 0-0 11.Bg2 d5 12.Nc3 Be6 13.Nge2 Na5 14.Nf4 The pressure on the isolated pawn grows 14...Nc4 15.Qd3 Qa5 16.0-0 Rfd8 (better 16...Nb2 17.Qd2 Rfc8=) 17.Rfb1+/- Bf8 18.Rb5 Qc7? (better 18...Qa6 19.Nfd5 Na3 20.Rb7 Qd3 21.cd3 Nc2+-) 19.Nfd5 (19.Ncd5 Bd5 20.Nd5 Rd5 21.Bd5 Nb6+-) 19...Bd5 (19...Qc8 20.Rb7!! Na3 21.Ra3 Ba3 22.Nb6 Qb7 23.Bb7+-) 20.Nd5 (20.Rd5?! Rdc8 21.Nb5 Qe7+/-; 20.Bd5?! Nb6+-) 20...Qc8 21.Nb6 (21.Rb7 Nd6 22.Nb6 Qe6 23.Na8 Ra8 24.Rf7 Kf7 25.Ba8 Nc4+-) 21...Nb6 22.Rb6 Rd7 23.Rab1 Ra7 24.c4 Qd8 (24...h6 25.R1b5 Be7 26.Bc6+-) 25.Qc3 (25.Bb7 Bc5 26.R6b5 Bd6+-) 25...Rc7 26.c5 h5 (26...Qd7 27.Qb2+-) 27.Bb7 (27.Qc4 Kg7+-) 27...h4? (27...Bc5 28.dc5 Rcb7+-) 28.Kg2 (28.Bc6 Qg5+-) 28...h3?? (better 28...Rab7 29.Rb7 Rb7 30.Rb7 Qd5 31.f3 Qb7 32.gh4 Qb3=+) 29.Kh3+- f4 30.gf4 (30.Bf3 fe3 31.fe3 Bg7+-) 30...Qd7?? (30...Rab7 31.Rb7 Qc8 32.Kg3 Rb7 33.Rb7 Qb7 34.Qc1+-) 31.Kg2 (better 31.Kg3+-) 31...Rab7 32.Rb7 Rb7 33.Rb7 Qb7 34.f3 Qb3 35.Qc1 Qa2 (35...Qd3!?+/-) 36.Kg3+- Be7 37.c6 Ba3 38.c7 (38.Qc3 Qb1 39.Kg2 Qa2 40.Kf1 Qb1 41.Kf2 Qa2 42.Ke1 Qb1 43.Ke2 Qa2 44.Kd3 Qb1 45.Qc2 Qf1 46.Qe2 Qe2 47.Ke2 Bd6=) 38...Bc1 39.c8Q Kg7 40.Qc1 a3 41.d5?? (better 41.f5 Qb2 42.Qc7 gf5 43.Qe5 Kg8 44.Qf5=) 41...Qb2-+ 42.Qc8 (42.Qc7 a2 43.Qe5 Qe5 44.fe5 a1Q-+) 42...a2 43.d6 (43.Qa6-+) 43...a1Q 44.d7 (44.Qf8 Kf8 45.f5 Qe5 46.Kg2 Qa2 47.Kh3 Qah2 48.Kg4 Qf5) 44…Qg1 (44...Qg1 45.Kh3 Qbh2) 0-1. FeegLood (2840) - RebeccaHarris (2680), Rated Bullet game, lichess.org, 2016.

6.e3 a5 7.b5 c5 8.bc6 Nc6 9.g3 a4 10.Bg2 Qa5 (10...d5 11.Ne2+=) 11.Qd2 b5 12.Ne2 b4 (12...Bb7!? 13.0-0 Rb8+=) 13.ab4+/- Nb4 (better 13...Qb4 14.Qb4 Nb4+/-) 14.Ba8?? (better 14.Nbc3 Rb8 15.Ra4+-) 14...Nc2=+ 15.Kd1 Qd2 (better 15...Qa8!? 16.Qc2 Qh1 17.Kd2 0-0-/+) 16.Nd2+= Na1 17.Bd5 (17.Nc3 d6+=) 17...Ke7 (17...d6 18.Nc3=) 18.Nc3+= Nb3 (18...d6 19.Ke2 Nc2 20.Na4+=) 19.Nb3 (19.Bb3?! ab3 20.Nb3 Bb7=) 19...ab3 20.Bb3 (20.Kd2 h5+=) 20...Bb7 21.Bd5 Rc8 22.Bb7 Rc3 23.Kd2 (23.Bd5 Ra3+=) 23...Rb3= 24.Bd5 Rb2 25.Kd3 (25.Ke1 Kd6 26.Bf3 h5=) 25...Rf2 26.h4 h5 (26...Kd6 27.Bf7 Rf3 28.h5 Rg3 29.hg6 hg6 30.Rh7=+) 27.Rb1= Bh6 28.Rb7 Kd8 (28...Rf1!? 29.Ke2 Rc1=+) 29.Bf7+= Rf3 The backward pawn on e3 becomes a target 30.Bg6 Re3 (30...Kc8 31.Rb5+/-) 31.Kc4+/- Rg3 32.Bf5 Rg7 33.Kd5 (33.Rb8 Kc7 34.Rh8 Rf7+/-) 33...Be3 (33...Rf7 34.Be4=) 34.Rb8+/- Kc7 35.Rb3 (35.Rh8 Rg1+/-) 35...Bf4 (35...Bf2 36.Rc3 Kd8 37.Rh3=) 36.Rc3+= Kd8 37.Rf3 (37.Ra3 Bg3+=) 37...Bc7 (37...Bg3 38.Ke4=) 38.Be4 (38.Ra3 Bg3+=) 38...Rg4= 39.Rf7 (39.Rh3 Rg3 40.Rg3 Bg3=) 39...Rh4 (39...Bb6 40.Rh7 Rh4 41.Rh8 Kc7 42.Rh7=) 40.Bf5 Bb6 Exerts pressure on the isolated pawn 41.Rd7 Ke8 42.Rh7 (42.Rb7 Rd4 43.Ke6 Ba5=) 42...Rd4 43.Ke6 Kf8 (43...Kd8 44.Rh5 Kc7 45.Ke5=) 44.Rh5+= Kg7 45.Rh7 Kg8 46.Kf6 Rd6 47.Ke7 (47.Ke5 Rd2+=) 47...Rd1 48.Rh3 Bc5 49.Kf6 Re1 (49...Bd4!? 50.Ke6 Re1 51.Kd5 Bf6=) 50.Be6+= Re6 51.Ke6 Bf8?? (51...Kg7 52.Rg3 Kh6 53.Rg4+=) 52.Kf5 (52.Rg3 Bg7 53.Ke7 Kh8 54.Kf7 Bh6 55.Rf3 Bg5 56.Rh3 Bh6 57.Rh6) 52...Bg7?? (52...Kg7 53.Rc3+=) 53.Kg4 (better 53.Kg6+-) 53...Bf8 54.Kf3 Bg7 55.Kg2 Kf7 56.Rf3 Bf6 57.Kh3 Ke6 58.Kg4 Be5 59.Rf5 Bd6 60.Rh5 Kd7 61.Rh3 Be7 62.Rf3 Kc8 63.Rd3 Bd6?? (63...Kc7 64.Kf5+=) 64.Kf5 (better 64.Rd6 Kc7 65.Rf6+-) 64...Bc7 65.Ke6 Kb8 (65...Kb7 66.Kd5+=) 66.Rc3 (66.Rb3 Kc8+/-) 66...Bb6 67.Rb3 Ka7 (67...Kc7 68.Kd5+=) 68.Kd7 Bc5 69.Kc6 Bd4 70.Rd3 Bb6?? (better 70...Be5+/-) 71.Rb3 (71.Ra3 Kb8 72.Kb6 Kc8 73.Rd3 Kb8 74.Rd8) 71...Ka6?? (71...Bd4 72.Rb7 Ka8+/-) 72.Rb6 (72.Rb6 Ka5 73.Rb5 Ka4 74.Kc5 Ka3 75.Kc4 Ka4 76.Rd5 Ka3 77.Rd2 Ka4 78.Ra2; 72.Ra3 Ba5 73.Ra1 Ka7 74.Ra5 Kb8 75.Ra6 Kc8 76.Ra8) 1-0. FeegLood (2820) - RebeccaHarris (2695), Rated Bullet game, lichess.org, 2016.

6.e3 d6 7.g3 Be6 8.Bg2 c6 9.Ne2 Nd7 10.0-0 Nf6 11.Nd2 Qd7 12.c4 d5 13.Nf4 (13.Qc2 dc4 14.Nc4 Nd5+=) 13...0-0 (13...dc4 14.Ne6 Qe6 15.Qc1+=) 14.cd5 Nd5 15.Nd5 Bd5 16.Bd5 Qd5 17.Qb3 Rfd8 18.Rac1 Rac8 19.Rc5 Qb3 20.Nb3 Bf8 21.Rc4 Bd6 22.Rfc1 Kf8 (22...Ra8 23.R4c2+=) 23.Kf1 (23.d5 Be7 24.dc6 Rc6 25.Rc6 bc6+-) 23...Ke7 24.Na5 Rc7 (24...Rb8 25.R4c3=) 25.Ke2 (25.d5!?+-) 25...Rdc8 26.Kd3 Kd7 27.Nb3 b6 28.Nd2 c5 29.dc5 bc5 30.b5 a6 31.ba6 Ra7 32.Ra4 Rca8 33.Nc4 Ra6 34.Ra6 (34.Nd6?? Rd6 (34...Ra4?! 35.Nc4-/+; 34...Kd6?! 35.Ra6 Ra6 36.Rc3=) 35.Ke2 Ra4 36.Rc5 Ra3-+) 34...Ra6 35.Kc3 Kc6 36.Rb1 h6 37.Rd1 Be7 (37...Bc7 38.h4+=) 38.Kb3 (38.Ne5 Kb6 39.Kb3 Ra7+-) 38...Kc7 39.a4 Bf6 40.a5 Be5?? (better 40...Ra8+-) 41.Ne5+- 1–0. FeegLood (2870) – Agilemaster (2270), lichess.org, 2016.

5.e3 0-0

6.c4 d6 7.d4 Be6 8.Bd3 a5 9.b5 d5 10.c5 f5 11.Ne2 Nd7 12.Qc1 b6 13.cb6 cb6 14.0-0 Nc5 15.Qd1 Rc8 16.a4 Nd3 17.Qd3 Qd6 18.Nbc3 Rc4 19.Rfc1 Rfc8 20.Ra2 Bh6 21.Qd2 R8c7 22.Rac2 Qb4 23.Qe1 Qd6 24.Qd2 Qb4 25.g3 g5 26.Qe1 Qd6 27.f3 f6 28.Qf2 Bg7 29.Qe1 Qa3 30.Qd2 Kh8 31.Qe1 h5 32.Qd2 Qb4 33.Qd1 Qd6 34.Qf1 Kh7 35.Qe1 Rc8 36.Qd2 Kg8 37.Qd3 Qa3 38.Qd1 g4 39.Qf1 Qb3 40.Qf2 Ra4 41.Nf4 Rac4 42.Ne6 Rc3 43.Nc5 Rc2 44.Nb3 Rc1 45.Nc1 Rc1 46.Kg2 Kf8 0–1. Bonetti,Shane – qsac (2255), ICC, 2002.

6.d4 a5 7.c3 ab4 8.cb4 d6 9.Nd2 c5 10.bc5 dc5 11.dc5 f5 12.Ra2 Be6 13.Bc4 Bc4 (13...Na6 14.c6 bc6 15.Qc2=+) 14.Nc4 Qc7 (14...Nd7!? 15.Nb6 Nb6 16.Qd8 Rfd8 17.cb6 Rd6=) 15.Qd6+= Rc8 16.Qc7 Rc7 17.Nb6 (17.Nd6 Nd7 18.Ke2 Nc5=) 17...Ra5 (17...Ra6!? 18.Ke2 Rc5-/+) 18.Ne2 Rcc5 19.0-0 Nc6 20.Rd1 (20.a4 Nb4 21.Rd2 Nd5 22.Nd5 Rd5 23.Rd5 Rd5=) 20...h6 (better 20...Rab5!? 21.Na8 Rd5-/+) 21.Nf4 Rab5 22.Nfd5 Kh7 23.a4 Rb3 24.h4 Ne5 25.a5 (25.h5!?=) 25...Ng4 26.f3 Ne3 (26...Rd3 27.Re1 Ne3 28.Ne3 Re3 29.Re3=+) 27.Ne3 Re3 28.Rd7 Re1 29.Kf2 Rcc1 30.Rf7 Kg8 31.Rb7 Bd4 32.Kg3 Be5 33.f4 Re3 34.Kf2 Bd4 35.Rb8?? (35.Rd2 Re7 36.Rd4 Rb7=) 35...Kf7 (35...Re8 36.Kg3 Rb8 37.Ra3 Bb6 38.ab6 Rb6 39.Kf3-+) 36.Rb7?? (36.Rd2 Re4 37.Kg3 Rf4 38.Rb7 Ke6 39.Re2 Re4 40.Re4 fe4-/+) 36...Ke6 (better 36...Re7 37.Kg3 Rb7-+) 37.Re7= Ke7 38.Nd5 Kd6 (38...Kf8 39.Ne3 Rc3 40.Re2=) 39.Ne3=+ Rc3 40.Rd2 Ra3?? (better 40...Kc5 41.Re2 Kb5=+) 41.Rd4+- Kc5 (41...Kc6+-) 42.Rd3 (better 42.Rd5 Kc6 43.h5 gh5 44.Rf5+-) 42...Kb4?? (42...Rd3 43.h5 Kd4 44.Nc2 Ke4-+) 43.Ra3+- Ka3 44.a6 Kb2 45.Nf5! Kc3 (45...gf5 46.a7 Passed pawn) 46.Nh6 Kd4 47.f5 (better 47.a7!? Kc5+-) 47...g5 48.Ng4 (48.Ng4+-) 1-0. opperwezen (2765) - jmb2010 (2520), lichess.org, 2017.

6.Nf3 Re8 7.Be2 d5 8.0-0 Nd7 9.d4 a5 10.Nbd2 f5 11.Bd3 Nf6 12.b5 Ne4 13.Qc1 g5 14.c3 g4= 15.Ne1 Qh4 16.c4 Re6 17.cd5+= Rh6 18.Nef3 gf3+= 19.Nf3 Qd8 20.Qc2 Bf8. Schulz,Hans_Juergen – Buczinski,Henryk, TT–19.45 ETC, 2005.

6.g3 d5 7.d4 Nd7 8.Nd2 Nb6 9.Bg2 c6 10.Ne2 Bg4 11.h3 Be2 12.Qe2 f5 13.0-0 Re8 14.Qd3 Qd6 15.Rab1 Rad8 16.Rfc1 h5 17.h4 Qf6 18.c4 dc4 19.Nc4 Nc4 20.Rc4 f4 21.gf4 Qh4 22.b5 cb5 23.Rb5 b6 24.a4 White prepares the advance d5 24...Bh6 25.d5 Qe7 26.Rb1 Rd6 27.Rbc1 Qd7 28.Qd1 Qf5 29.Rc7 a5 30.R7c6 Bf8 31.Qf3 Rc6 32.dc6 Ba3? 33.e4+- Re4 34.Qe4 Qe4 35.Be4 (35.Be4 Bd6 36.c7 Bc7 37.Rc7+-) 1–0. Gonzalez Garcia,Marc (2240) – Parellada Diaz,Adria (1905), Barcelona ESP, 2012.

5.e3 f5

6.Nc3 Bc3 7.dc3 Qf6 8.Qd2 d6 9.Bc4 Be6 10.Be6 fe6 11.Nf3 Nc6 12.0-0 Ne5 13.Ne5 Qe5 14.f4 Qe4 15.Rab1 0-0-0 16.b5 b6 17.Qd3 Qa4 18.Ra1 e5 19.Qd5 Qc2 20.Qa8 Kd7 21.Qc6 Ke7 22.Qc7 Rd7 23.Qc6 e4 24.Qd5 Qc3 25.Rac1 Qe3 26.Kh1 Qa3 27.g4 Rf8 28.gf5 gf5 29.Qd4 Rg8 30.Rg1 Qf3 31.Rg2 Qg2# 0–1. ronnieg (2625) – SuperIntellect (2810), TIO_49 (fics, Oklahoma City, OK USA) (7), 2001.

6.d4 0-0 7.Nf3 a5 8.b5 Bh6 9.c4 Re8 10.Be2 f4 11.ef4 d5 12.c5 Bf4 13.0-0 Nd7 14.Nc3 Nf6 15.Re1 Ne4 16.Qc2 Bg4 17.a4 Nf2 18.Kf2 1–0. Malmstroem,Jan – Schulz,Hans_Juergen, TSC, 2002.

5.g3 0-0

6.c4 a5=+ 7.b5 d5 8.d4 (8.e3!?=+) 8...dc4-/+ 9.Nc3 f5 (9...c6 10.Bg2-/+) 10.e3=+ Re8 (10...Be6 11.Bg2 c5 12.Nge2 cd4 13.Nd4=+) 11.Nge2 f4 (11...c6 12.Qa4=+) 12.gf4 c6 13.Bg2 Qh4 14.0-0 Bh3 15.bc6 (15.Bh3 Qh3 16.Rb1 Nd7 17.bc6 Nf6=) 15...bc6 (15...Nc6 16.Bh3 Qh3 17.Qa4=+) 16.Rc1 (16.Qa4 Be6+=) 16...Nd7= 17.Ng3 Nf6 (17...Rad8 18.Bh3 Qh3 19.Nce4=) 18.Bh3 (18.Bc6 Bf1 19.Qf1 Rac8 20.Be8 Ne8+/-) 18...Qh3= 19.Qf3 h5 (19...c5 20.dc5 Rac8 21.Na4=) 20.Qg2 (20.Qc6 h4 21.Nge2 Qg4 22.Qg2 Qg2 23.Kg2 Bf8+/-) 20...Qe6 (20...Qg2!? 21.Kg2 Rab8=) 21.f5+/- Qe7 22.fg6 fg6 23.Nge2 Kh7 24.Kh1 Bh6 25.Rg1 Qf7 26.h3 Re6 27.Rb1 Rae8 28.Rb6 Rc8 29.Rgb1 Rc7 30.Ng3 Qe7 31.a4+/- h4 32.Nge2 Qd7 33.Rg1 Qf7 34.Rb8 Nh5 35.Ne4 Qf5 36.N2c3 Rce7+= 37.f3?? Be3-+ 38.Rd1 Bf4 39.Rb2 Ng3 40.Ng3 Bg3 41.Ne4 Bf4 ½–½. Bulcourf,Carlos (2210) – Celis,Gustavo, Traffic op Buenos Aires, 1992.

6.Bg2 a5 7.Nc3 ab4 8.ab4 Ra1 9.Qa1 Nc6=.

6.Bg2 c5 7.bc5+= d6 (7...Qa5 8.e3+=) 8.cd6 Qd6 9.Nc3 (9.d4 Rd8+/-) 9...f5+= 10.Nf3 Nc6 11.0-0 Rd8 12.e3 Be6 (12...Bc3 13.dc3 Qc5 14.Nd4+=) 13.d4 Rac8 14.Na4 b6 15.Nb2 Na5 16.Nd3 Rc7 (16...Rc3 17.Ng5+=) 17.Re1 Rdc8 18.Re2 Bd5 19.Nb4 Be4 20.Ne1 (20.Nd2 Bg2 21.Kg2 Nc6+=) 20...Bg2 21.Ng2 Nc4 22.Nd3 (22.Na6 Rc6+=) 22...a5 Exerts pressure on the isolated pawn (22...Na3!? 23.Nge1 a5=) 23.a4+= Qd5 (23...Na3 24.Nge1+=) 24.Ngf4 Qf3 25.Re1 Qd1 (25...Qc6!?+=) 26.Red1+/- Nd6 (26...g5 27.Ng2+/-) 27.Ne1 (better 27.Nd5 Rb7 28.c3+-) 27...Rc3? (better 27...Nc4+-) 28.Nd5 R3c4 (28...Kf8 29.Nc3 Rc3 30.Rab1+-) 29.Ne7 (29.Nb6!? Rc2 30.Nc2 Rc2+-) 29...Kf8 30.Nc8 Rc8 31.Rdb1 Nc4 32.Rb5 Bf6 33.Kf1 Bd8 34.Ke2 h5 35.Nd3 h4 36.gh4 Bh4 37.Ne5 (better 37.Rb3 Ke7+-) 37...Nd6?? (better 37...Ne5 38.Re5 Rc2 39.Kd3 Rf2+/-) 38.Rb6+- Ne4 39.c4 Bf6 (39...Bf2 40.Rb5+-) 40.Nd7 Kg7 (40...Ke7 41.Nf6 Nf6 42.Rb7 Kd6 43.c5 Ke6 44.Rb6 Ke7 45.Ra6+-) 41.Nf6 (41.f3 Bd8 42.fe4 Bb6 43.Nb6 Rb8+-) 41...Nf6 42.c5 Re8 (42...f4 43.Rb5+-) 43.Rb5 Nd5 (43...f4 44.c6 fe3 45.fe3+-) 44.Ra5 Nc3 45.Kd3 Ne4 46.Ra2 1-0. cabbage9 (2835) - zsolti_83 (2660), Rated Bullet game, lichess.org, 2020.

6.Bg2 f5 7.d4 d6 8.e3 c6 9.Ne2 Nd7 10.0-0+= Nf6 11.c4 a5 12.b5 Ne4 13.Nbc3 Re8 14.Qd3 Qe7 15.Na4 Qc7 16.Nec3 Nc3 17.Nc3 Be6 18.Rab1 cb5 19.cb5 Qc4?? 20.Qd2 Re7 21.Rfc1+- Qa4?? 22.Bf3 Bb3?? 23.Qd3 Ba2?? 24.Rb2 f4?? 25.Bd1 1–0. Bulcourf,Carlos – Llanos,Guillermo, corr ARG–103–1439, 1987.

6.Bg2 d6

7.d4 Re8 8.c4=+.

7.d4 f5

8.e3 c5 9.c3=.

8.e3 c6 9.c4 Be6 10.Qd3 Re8=.

8.e3 c6 9.Ne2 a5 10.ba5 Qa5 11.Qd2=.

8.e3 c6 9.Ne2 Bd7 10.c4 (10.0-0 Be6=) 10...Na6 (10...Be6 11.Qd3=) 11.Nbc3 (11.0-0 Re8+=) 11...Nc7 (11...Be6 12.b5 Nb8 13.Qa4+=) 12.Rb1 (12.0-0 Re8+=) 12...Rb8 (12...Be6 13.b5 Bc4 14.bc6 bc6 15.Bc6+=) 13.0-0+= Be6 14.d5 Bd7 15.Qd3 (15.dc6 Bc6 16.Nd4 Qf6+=) 15...Qe7 (15...Qf6 16.Rfd1 Rbd8 17.dc6 Bc6 18.Nd4+=) 16.Rfd1+/- Rfd8 (16...Be5 17.Nd4 Qf6 18.Rb3 cd5 19.Bd5+/-) 17.dc6 Bc6 18.Nd5 (18.Nd4 Bg2 19.Kg2 Bd4 20.Qd4 b5+/-) 18...Nd5+= 19.Bd5 Bd5 (19...Rbc8 20.Nf4+=) 20.Qd5+/- b6 (20...Qe6 21.Nf4 Qe4 22.Rbc1+/-) 21.Nd4 Bd4 22.Rd4 Rd7 23.Rbd1 Rbd8 24.h4 Kf8 25.h5 Qe6 26.hg6 hg6 27.Qh1 g5 28.g4 Rc7 29.Qh7 f4 30.Qh8+/- Ke7 31.Qh5 Rg8+= 32.Rd6 Qd6 33.Rd6 Kd6 34.ef4 gf4 35.Qd5+- Ke7 36.Qe5 Kd8 37.Qf4 Rg6 38.b5 Re6 39.Kf1 Rd7 40.a4 Red6+/- 41.a5 Rd4 42.Qg5 Kc7 43.Qe5+- Kc8 44.c5 f6? 45.Qe8+- Kc7 46.Qa8 bc5 47.Qa7 Kd6 48.Qb6 (48...Kd5 49.Qf6+-) 1–0. Bulcourf,Carlos (2210) – Pecci,Raul, Buenos Aires ITT, 1992.

8.Nf3 a5=.

4.b5 a6

5.ba6 Na6 6.e3 f5 7.Nf3 Bg7 8.d4 Qe7 9.Ba6 Ra6 10.0-0 b6 11.Nbd2 Bb7 12.c3 0-0 13.Qc2 Rfa8 14.Rfb1 d6 15.Rb2 Bc6 16.h3 Bf6 17.Qd3 Be4+= 18.Qc4 Bb7 19.Qd3 Ra3 20.Nb1 R3a4 21.Nbd2 Be4 22.Qe2 Ra3 23.Nb3 Bb7 24.Nfd2 R8a7 25.Nb1 R3a4 26.Qf1 f4 27.ef4 Qe4 28.Nc1 Qf4-/+ 29.Nd3 Qf5 30.Nb4 h5 31.Nc2 Qe6 32.a3 R4a5 33.Qe1? Rg5-+ 34.Ne3 Qh3 35.Qf1 Ra8 36.Rb5 Qd7 37.Rg5-/+ Bg5 38.Nd2 Bf4 39.Qd3 Qe7 40.Ndf1 Ra5 41.d5 Be5 42.Ra2 Qf6 43.c4 Bc8 44.Nd2 Bd7 45.Ndf1 Qh4 46.Re2 Qf4 47.Rd2 h4-+ 48.Re2 Kg7 49.g3 Qg5 50.Ng2 Bf5 51.Qb3 hg3 52.Ng3 Bh3 53.Re1 Bg3 54.Qc3 Be5 55.Qh3 Ra4 56.Qd3 Ra8 57.Qf3 Rh8 58.Re4 Qc1 59.Re1 Qc4 60.Ne3 Qc3 61.Rd1 f5 62.Qg2 Rh5 63.Kf1 f4 64.Ng4 f3 65.Qg1 Qc4 66.Ke1 Qe2# 0–1. Novikov,Konstantin (2215) – Zilbert,Oleg (2385), RUS–ch Seniors, 2004.

5.e3 ab5 6.Bb5 c6 7.Be2 d5 8.Nf3 Nd7 9.0-0 Qc7 10.d4 b5 11.c3 Nb6 12.Nbd2 f5 13.Ne5 Bd6 14.Ndf3 f6 15.Nd3 Ra3 16.Qd2 Bd7 17.Rfc1 Kf7 18.Nb4 Rha8 19.g3 Qa7 20.Rc2 Bb4 (20...Nc4 21.Bc4 dc4 22.Re1+=) 21.cb4= Nc4 22.Bc4 bc4 23.Ne1 f4 24.e4 de4 25.gf4 Be6 26.Ng2 Rd3 27.Qe2 Qd4 28.Re1 (28.Qe1 c3-+) 28...f5 29.Kh1 (29.Ne3 c3-+) 29...c3 30.Rec1 Bc4 (30...Qb4 31.Ne3-+) 31.Ne3 Bb5 32.Qe1 Ra3 33.Nd1 Rd1! (33...Qb4?! 34.Nc3 h6 35.Kg2-+) 34.Rd1 (34.Rd1 Bd3 Combination; 34.Qd1 Qd1 Combination) 34...Bd3 (34...Qb4?! 35.Rd7 Kf8 36.Rh7=) 35.Rcc1 Qb4 36.Ra1 c5 37.Qe3 Qd4 38.Qh3 Kg7 39.Qh4 Qf6 40.Qg3 c2 41.Rdc1 c4 42.Qe3 Qd6 43.Qd2?? (43.Kg1 Kg8-/+) 43...c3 (better is 43...e3 44.Qe3 Be4 45.Qe4 fe4 46.Rc2 Qf4-+) 44.Qe3-/+ Ra6 45.a4 Qb4 46.Qe1 Qd4 47.Ra3 Ra4 48.Ra4 Qa4 49.Qc3 Kh6 ½–½. Gimeno Higueras,R (1980) – Pallardo Lozoya,JV (2160), Cullera Autonomico U16, 2003.

4.b5 c6

5.a4 Qb6 6.Nc3 Bb4 7.Qb1 Bc3 8.dc3 d5 9.Nf3 0-0 10.e3 Bg4 11.Be2 Nd7 12.0-0 Nc5 13.Nd4 Be2 14.Ne2 Ne4 15.Qb3?? (better is 15.Rd1=) 15...Nd2-+ 16.Qb4 Nf1 17.Kf1 c5 18.Qf4 Rad8 19.c4 dc4 20.Qc4 Rd2 21.a5 Qd6 22.Nf4?? Rd1 23.Ke2 Ra1 24.Nd3 Ra5 25.Nc5 Rc8 26.Nb7 Rc4 27.Nd6 Rc2 28.Kd3 Raa2 29.Nc8 Rc8 30.f4 Rb2 31.g4 Rb5 32.Kd4 a5 0–1. wk1234 – popeti, kurnik, 2012.

5.e3 a6 6.a4 ab5 7.Nc3 b4 8.Ne4 Bg7 9.c3 bc3 10.Nc3 0-0 11.Nf3 d5 12.Nd4 c5 13.Ndb5 d4 14.ed4 cd4 15.Na2 f5 16.Rb1 Nc6 17.Be2 d3 18.Bf3 Bd7 19.0-0 Nd4 20.Nd4 Bd4 21.Bb7 Rb8 22.Bf3 Rb1 23.Qb1 Qb6 24.Qd3 Ba4 25.Rb1 Qa7 26.Nc3 Rd8 27.Qe2 Qa5 28.Na4 Qa4 29.Rf1 Qa7 30.Qc4 Kf8 31.Bd5 Rd7 32.d3 h5 33.h3 h4 34.Qc8 Kg7 35.Qc4 Qc5 36.Qc5 Bc5 37.Bc4 Rd4 38.Re1 g5 39.Re5 Bb6 40.Rf5 f6 41.Rd5 Rd5 42.Bd5 Kg6 43.Be4 f5 44.Bf3 Kf6 45.Kf1 Ke5 46.Ke2 Bd4 47.Ba8 g4 48.hg4 fg4 49.Bc6 Kf4 50.Bd7 h3 51.gh3 1–0. joaquimbage – myszunieczka, kurnik, 2012.

4.b5 d5

5.e3 Bg7 6.c3 c5 7.bc6 Nc6 8.d4 0-0 9.Bb5 Qa5 10.Bc6 bc6 11.Nf3 Ba6 12.Qd2 Rab8 13.a4 Rb7 14.h3 Rfb8 15.Qc2 c5 16.Nfd2 cd4 17.cd4 h6 18.Nc3 Rc7 19.Ra3 Bf8 20.Rb3 Rbc8 21.Ndb1 Bb4 22.f3 Bc3 23.Nc3 Rc3 24.Qb2 Rb3 25.Qd2 Re3 0–1. joaquimbage – julsax, kurnik, 2012.

5.e3 Bg7 6.d4 0-0 7.c4 c6 8.a4 f5 9.c5 Nd7 10.Ra2 Qa5 11.Qd2 Qd2 12.Nd2 Re8 13.Be2 Nf6 14.Ngf3 Nd7 15.0-0 cb5 16.ab5 a6 17.b6 Nf6 18.Ne5 Be6 19.c6 bc6 20.Nc6 Bd7 21.b7 Bc6 22.ba8Q Ra8 23.Ra6 Rc8 24.Rc1 1–0. olawoj – soros38, kurnik, 2012.

5.Nf3 Bh6 6.e3 0-0 7.c4 Nd7 8.cd5 Nb6 9.Nc3 Nd5 10.Nd5 Qd5 11.Rc1 Qd8 12.d4 Re8 13.Bd3 Bg4 14.0-0 Re7 15.Rc5 Qd6 16.Qe2 Rae8 17.a4 f5 18.h3 Bf3 19.Qf3 f4 20.Rd5 Qa3 21.ef4 Qa4 22.f5 Qb3 23.f6 Re1 24.g3 Bf8 25.h4 Bd6 26.Kg2 R1e6 27.Rg5 Qa2 28.Qb7 h6 29.Rg4 Rf6 30.Kg1 Re1 31.Qg2 Rf1 32.Qf1 h5 33.Rg5 Qb2 34.f4 Qd4 35.Kh2 Bf4 36.gf4 Rf4 37.Bg6 Rf1 0–1. Delfi 1.40 – Mad006, computer chess game (LAPTOP) (3), 2001.

4.b5 Bg7

5.a4 0-0 6.Ra3 d6 7.e4 Be6 8.Qf3 c6 9.c4 f5 10.d3 fe4 11.Qe4 Qc7 12.Nf3 Nd7 13.d4?? Bf5-+ 14.Qf4 Bb1 15.c5 Qa5 16.Nd2 dc5 17.Kd1 cd4 18.Nb1 Qb4 19.Bd3 Ne5 20.Qd2 Qd2 21.Nd2 Nd3 22.Rd3 cb5 23.ab5 Rfe8 24.Nf3 Rac8 25.Nd4?? Rcd8 26.Re1 Re1 27.Ke1 Rd4 28.Re3 Kf8 29.Ke2 Rb4 30.Rd3 Rb5 31.f4 Rb2 32.Kf3 a5 33.Rd8 Ke7 (33...Ke7 34.Ra8 b6-+) 0–1. donny60 – nimzomorph, ChessWorld.net, 2011.

5.c3 d5 6.d4 Be6 7.e3 Nd7 8.Nf3 Nb6 9.Bd3 Qd7 10.Nfd2 0-0 11.a4 a5 12.h3 Rac8 13.Nf3 Rfe8 14.g4 f5 15.g5 c5 16.h4 cd4 17.cd4 Nc4 18.Nfd2?? b6 19.Bc4 dc4 20.Nc3 Bf8 21.f4? Bb4 22.Qc2 Rc7 23.Kf2 Bd5 24.Nd5 Qd5 25.Rh3 Bd2 26.Qd2 c3 27.Qc2 Rc4 28.h5 Kg7 29.hg6 fg6 30.Rah1 Rh8 31.Rc1 Rhc8 32.Rh2 Rb4 33.Qd1 Qc4 34.d5 Ra4 35.Kg3 Rb4 36.d6 Rd8?? 37.Rd2?? Qc5 38.Rd3-/+ Rc4 39.Rc2 Kf7 40.Qe1 Rd6 41.Rdc3 Rc3 42.Rc3 Qb5 43.Rc7 Kg8?? 44.Qc3+- Rd8 45.Qg7# 1–0. wullie54 – gbymar, ChessWorld.net, 2011.

5.Nc3 0-0 6.e3 d5 7.Nge2 Re8 8.g3 c5 9.d4 Bg4 10.dc5 Qa5 11.Qd2 f5 12.Nd4 Qb4 13.Be2 Be2 14.Nce2 Qc5 15.0-0 Nd7 0–1. Bonetti,Shane – guest1798, ICC, 2002.

5.c4 0-0 6.Nc3 a6 7.e3 d6 8.a4 f5 9.d4 Re8 10.Nf3 (10.Nge2 Nd7=) 10...c5 (10...f4 11.Nd5 fe3 12.Ne3+=) 11.Be2 Qa5 12.Qd3 ab5 13.cb5 f4 14.0-0 (14.ef4? cd4 15.Nd4 Re4-+) 14...fe3 15.fe3 Bf5 16.e4 Bg4 17.Nd5 (17.Kh1!?=) 17...Nd7 18.h3 (18.Ra2!?-/+) 18...Bf3 19.Qf3 Bd4 20.Kh1 f6 (20...f5!? 21.ef5 Ba1 22.Ra1 Ne5-+) 21.Bc4 Kg7 (worse is 21...Ba1 22.Nf6 Kh8 23.Ne8 Re8 24.Ra1+=) 22.Rad1 (22.Rac1+=) 22...Rf8 (better is 22...Qa4!? 23.Rd4 cd4=) 23.Nf4= Kh8 24.Ne6 Ne5 25.Qg3?? (25.Qb3 Rfb8 26.Bd5= (worse is 26.Rf6 Nc4 27.Nd4 Qa4 28.Qa4 Ra4+=)) 25...Nc4-+ 26.Nd4 cd4 27.Rd4 Rac8 28.Rc4 (28.Rc1 Ne5 (worse is 28...Qa4 29.Qc3-+) 29.Rc8 Rc8-+) 28...Rc4 29.Qd6 Qd8 30.Qd8 Rd8 31.Rf6 Rd7 (31...Re4 32.a5-+) 32.e5 (32.Re6 Ra4 33.e5 Kg8-+) 32...Ra4 33.e6 (33.Re6 Kg7-+) 33...Re7 34.Rf8 Kg7 35.Rd8 Kf6 0–1. Steinerstauch,Bernd – Schneider,Johannes (1840), Schweinfurt GER, 2013.

5.d4 f5 6.Nf3 a6 7.e3 ab5 8.Bb5 c6 9.Bd3 0-0 10.Nbd2 d5 11.0-0 c5 12.c3 c4 13.Be2 Bd7 14.Qc1 Qe7 15.Bd1 b5 16.a3 Nc6 17.Ne1 Ra6 18.Bf3 Qd6 19.Qb2 Rfa8 20.Nc2 (worse is 20.Qb5 Nd4 21.Qb2 Rb8-+) 20...g5 21.g3 (worse is 21.Qb5 Nd4 22.Qb2 Nc2 23.Qc2 g4-+) 21...f4 22.ef4 (worse is 22.Qb5 Nd4 23.Qb2 Nc2 24.Qc2 g4-+) 22...gf4 23.Nb4 (worse is 23.Qb5 Nd4 24.Qb2 Nc2 25.Qc2 fg3 26.hg3 Qe5-/+ (26...Ra3?! 27.Nc4 dc4 28.Ba8=)) 23...Nb4 24.ab4 fg3 25.fg3 Ra1 26.Ra1 Ra1 27.Qa1 Bc6 28.Qe1 Bh6 29.Nf1 Qe6 30.Kf2 Kg7 31.Qe6 fe6 32.Bh5 Kf6 33.Kf3 (better is 33.Ne3!?=) 33...e5-/+ 34.Ne3 ed4 35.cd4 Bg7 36.h4 Bf8 37.Nc2 Bd7 38.Bg4 Be8 39.h5? Bh6 40.Ke2 Bc1 41.Bf3 Kg5 42.Kd1 Bb2-/+ 43.Kd2 Bh5 44.Bd5 c3 45.Kd3 Be8 46.Be4 h6 47.Ne3 Bf7 48.d5 Kf6= 49.Ng4 Ke7 50.Nh6+/- Be8 51.Nf5 Kd7? 52.g4+- Bg6 53.Nd4 Be4 54.Ke4 Ba3 55.Nc2 Bc1 56.Kd4 Bd2 57.Kc5 Kc7 58.Kb5 Kb7 59.Kc5 Kc7 60.b5 Bf4 61.b6 Kd7 62.Nd4 Be3= 63.Kc4 Bd4 64.Kd3 Bb6 65.Kc3 Kd6 66.Kc4 Bd8 67.Kd4 Bg5 68.Ke4 Bc1 ½–½. Gimeno Higueras,R (1980) – Remoli Sargues,F (2045), Cullera Autonomico U16, 2003.

5.e3 f5 6.d4 0-0 7.Nf3 Re8 8.Bd3 (8.Be2 a6=) 8...d6 (8...f4!?=+) 9.0-0= Nd7 (9...a6 10.Nbd2=) 10.c4 (10.Nbd2 a6+=) 10...Nf6 (10...f4 11.Qe2=) 11.Nc3+= b6 12.a4 Bb7 13.a5 Ne4 (13...ba5 14.Ra5 c5 15.Ra3=) 14.Qc2 (14.Be4 Be4 15.Nd2 c5 16.Nde4 fe4 17.ab6 ab6+=) 14...Nc3+= 15.Qc3 Bf3 (15...ba5 16.Rfb1=) 16.gf3+= Qg5 17.Kh1 f4 (17...Qh4!?+=) 18.Be4+/- Rad8 19.ab6 ab6 20.Ra7 Re7 21.Re1 (21.Rfa1!?+/-) 21...Qh4 22.Kg2 g5 (22...c5!? 23.Re7 Qe7=) 23.ef4 gf4 24.Qd3 Kh8 25.Re2 Rg8 26.Kh1?? (better 26.Kf1=+) 26...Qh3-+ 27.Ra1 Bf6 (better 27...Be5 28.Rg1 Rg1 29.Kg1 f6-+) 28.Rg1 Ree8?? (better 28...Rg1 29.Kg1 Re8 30.Bh7 Re2 31.Qe2 Qh7-+) 29.Ree1+= Qh4 30.Qd2 Bg5 (30...Rg1 31.Rg1 Rg8 32.Bd5=) 31.Rg4 Qh3 32.Reg1 (32.Bd5 Qh5+/-) 32...f6? (better 32...f5!? 33.Bf5 Qf3 34.R4g2 Bh4=) 33.Qd3 h5 (33...Qh5 34.Bc6 Re7 35.Bd5+/-) 34.Qf1 (34.Qf1 hg4 35.Bd5-+). pacal56 (2110) - firedark (2215), Rated Blitz game, lichess.org, 2014.

5.e4 f5 6.Nc3 (6.e5 d6-/+) 6...fe4-+ 7.h4 d5 8.Rb1 h5 9.Nh3 Bg4 10.Be2 Bh3 (10...Bf5 11.Ng5-+) 11.Rh3-/+ 0-0 12.g4 hg4 13.Bg4 f5 (13...d4!? 14.Na4 Qd5-/+) 14.Be2 Nd7 (14...Kf7 15.h5-/+) 15.Nd5=+ Ne5 16.c4 Qd6 17.h5 g5 18.h6 (18.Qb3 c6 19.Nb4 Kh7=) 18...Bh8 (better 18...Bh6!? 19.Nc7 g4=+) 19.h7+= Kg7 20.d4 c6?? (better 20...ed3 21.Bd3 Rae8=) 21.bc6 (21.de5 Qe5 22.bc6 bc6+-) 21...bc6 (21...Nc6 22.Rb7 Rf7 23.Qb3+-) 22.Rb7 (better 22.de5 Qe5 23.Qa4+-) 22...Nf7 23.Nc3 (better 23.Ne7!? Qe6 24.d5 cd5 25.Qd4 Qe5 26.Qe5 Ne5 27.Nf5 Kf6 28.Ne7+-) 23...Rad8 24.d5 cd5? (24...g4 25.Bg4! fg4 26.Qg4 Qg6+-) 25.Nd5 (better 25.Qd4 Qf6 26.Qf6 Kf6 27.Nd5 Kg7 28.Bh5+-) 25...Rd7?? (25...g4 26.Bg4! fg4 27.Qd4 Kg6 28.Qe4 Kg5 29.f4 gf3 30.Qh4 Kf5 31.Qh5 Ng5 32.Rf3 Ke5 33.Qg5 Kd4 34.Qd2 Kc5 35.Qb4 Kd4 36.c5 Kd5 37.Rd3 Ke5 38.cd6 Rde8+-) 26.Qd4 (better 26.Rd7 Qe5 27.Re7+-) 26...Kg6?? (26...Qe5!? 27.Qa7 Rb7 28.Qb7 Rb8+/-) 27.Qa7 (27.Bh5 Kh7 28.Bf7 Qh6 29.Nf6 Bf6 30.Rh6 Kh6 31.Qf6 Kh7 32.Qg6 Kh8 33.Qh6) 27...Bf6?? (27...Rb7 28.Qb7 g4+/-) 28.Qb6 (better 28.Rd7 Qd7 29.Bh5 Kg7 30.Qd7+-) 28...Qb6?! (28...g4 29.Qd6 Rd6+-) 29.Rb6 Rh8 (29...Nh8 30.Nf6 Rf6+-) 30.Rf6 Kg7 31.Rf5 Rh7 32.Rh7 Kh7 33.Bh5 Nh6 (33...Nd6 34.Rg5 Kh6 35.Rg4 Nc4 36.Nf6+-) 34.Rg5 Rg7 (34...Rd6 35.Re5+-) 35.Nf6 Kh8 36.Rg7 Kg7 37.Ne4 Nf5 38.Bf3 (38.a4 Nd4+-) 38...Nd6 (38...Nd4 39.Bg2 Ne6+-) 39.Nd6 (39.Nd6 Kf6 40.a4+-) 1-0. CronusCR (2200) - Gainux (2020), Weekly Bullet Arena, lichess.org, 2017.

5.Nf3 f5 6.d4 c5 (6...a6 7.c4-/+) 7.e3 0-0 8.Be2 b6 (8...a6 9.Nc3-/+) 9.0-0 Bb7 (9...a6 10.Nc3=+) 10.c4 d5 (10...a6 11.Nc3=+) 11.Nc3 dc4 12.Bc4 cd4 (12...a6 13.Rc1 ab5 14.Nb5 cd4 15.Nfd4=+) 13.Nd4 (worse 13.ed4 Qd6=+) 13...Nd7 14.Bd5 Qc7 (14...Rc8 15.Bb7 Rc3 16.Qd2=) 15.Rc1 (15.Bc6 Nc5 16.Qf3 Be5+=) 15...Nc5= 16.Qf3 Rab8 (16...Rfd8 17.h3=) 17.Bb7 (17.Bc6 Rfd8 18.Nd5 Qd6+=) 17...Rb7 (17...Qb7 18.Nc6 Rbe8 19.Nd5+=) 18.Rfd1 Rd8 (18...Qe7 19.Nc6 Qh4 20.Nd5+=) 19.Nd5+- Qb8?? (better 19...Qc8+-) 20.Nc6+- Rd5 21.Nb8 (worse 21.Rd5 Qc7+-; 21.Qd5?! Qf8+-) 21...Rd1 22.Rd1 Rb8 23.Qf4 (23.Qg3 Rb7 24.Rd8 Bf8+-) 23...Rc8 (23...Rb7 24.Rd8 Bf8 25.Qd6+-) 24.Qh4 Ne6 (24...Rf8 25.Rd8 Nb7 26.Rf8 Bf8 27.Qf4+-) 25.Qe7 Rc5 (25...Bf8 26.Qa7 Bc5 27.Rd7+-) 26.a4 Rc7 (26...f4 27.Qa7 fe3 28.fe3 Bf6 29.Qb6 Kg7+-) 27.Rd8! Bf8 (27...Nd8 28.Qd8 Double attack (28.Qc7 Deflection; 28.Qd6 Decoy)) 28.Rf8! Kg7 (28...Nf8 29.Qc7 Deflection (29.Qc7 Overloading)) 29.Rf7 Kh6 (29...Kg8 30.Qe8 Nf8 31.Qf8) 30.Rh7 1–0. DEFFM – IronHard, freechess.org, 2019.

5.c3 0-0

5.d4 0-0

6.e3 d5 7.c4=.

6.e3 f5 7.g3 (7.Qf3 c5 8.bc6 dc6=) 7...Re8 (7...c5 8.bc6 dc6 9.Qf3=+) 8.Ne2 (8.Nf3 d5=) 8...d6 9.Bg2 Nd7 (9...a6 10.ba6 Na6 11.0-0=) 10.0-0 Nf6 (10...a6 11.c4=) 11.c4+= Ne4 12.Nbc3 b6 (12...a6 13.Qa4+=) 13.Qd3+/- Bb7 14.f3 (14.Nd5 a6 15.a4 Bd5 16.cd5 ab5 17.ab5 Qe7+=) 14...Nf6 (14...Nc3 15.Nc3 c5 16.bc6 Bc6 17.Rae1=) 15.Rae1 (15.e4 a6+=) 15...c5 16.bc6 Bc6 17.e4 Bd7 (17...fe4 18.fe4 (< 18.Ne4 d5 19.cd5 Nd5=+) 18...Rc8 19.Nf4+=). Bulcourf,Carlos (2260) – Fernandez Balague,Leo (2245), Buenos Aires PRENAJ, 1994.

6.Nf3 f5 7.g3 c5 8.bc6 dc6 9.Bg2 c5 10.c3 cd4 11.cd4 Nc6 12.e3 b6 13.0-0 Ba6 14.Re1+= Rc8 15.Qa4 Bb7 16.Nbd2 Na5 17.Rac1 Bc6 18.Qd1 Bd5 19.Rc8 Qc8 20.Nb3 Nb3 21.ab3 Qc6 22.Nh4 Rc8 23.Bd5 Qd5 24.Qd3 Qe4 25.Qe4 fe4+= 26.Ng2 g5 27.Rb1 Bf8 28.Ne1 Bb4 29.Kf1 Be1 30.Ke1= Rc2 31.b4 Kg7 32.Ra1 Rb2 33.Ra7 Rb4 34.Re7+= Rb1 35.Ke2 Rb2 36.Kf1 Rb1 37.Kg2+/- b5 38.Re4 b4 39.Re5 Kg6 40.Rb5 b3 41.Kf3 b2 42.Ke4 Kf6 43.Rb6+- Ke7 44.Ke5 f6? 45.Kd5 Rh1? 46.Rb2 Rh2 47.Kc6 Rh1 48.Rb7 Ke6 49.d5 Ke5 50.Re7 Kf5 51.f3 Rc1 52.Kd7 Rc3?! 53.d6 h5 54.Kd8 g4 55.fg4 Kg4 56.Rg7 Kf3 57.d7 Re3 58.Rg6 Rc3 59.Ke7 Rc7 60.Kd6 Rd7 61.Kd7 f5 62.Rg5 1–0. Gimeno Higueras,Roberto (1980) – Cardona Cervera,Joaquin (2030), Cullera Autonomico U16, 2003.

5.e3 0-0

6.c3 f5 7.Nf3 d5 8.d4 c6 9.g3 Nd7 10.bc6 bc6 11.Be2 Nf6 12.0-0 Ne4 13.c4 (13.Qa4 Bd7=) 13...Qa5 (13...c5 14.Qc2=+) 14.Qc2 Ba6 15.Nbd2 Nc3 16.Nb3 (16.Bd3!? Rab8 17.Nb3+=) 16...Ne2 17.Qe2 Qb4 18.Nfd2 Bc4 19.Nc4 dc4 20.Nc5 c3 21.Rfc1 Rfe8 22.Rab1?? (better 22.Qc2+/-) 22...Qd4!-/+ 23.ed4? (better 23.Nd3!?-/+) 23...Re2-+ 24.Rc3? (24.Nb3 Ra2 25.Rc3-+) 24...Bd4 25.Rc4 Bf2 26.Kf1 (26.Kh1 Bc5 27.Rc5 Ra2 28.Rc6 Re8-+) 26...Ra2 27.Nd7 Bb6 28.Nb6 ab6 29.Rb6 Rh2 30.Rbc6 (30.Kg1 Raa2 31.Rbc6 Rhg2 32.Kf1-+) 30...Ra1 31.Rc1 Rh1 (31...Rh1 32.Ke2 Rhc1 33.Rc1 Rc1-+) 0-1. black_bishop_88 (2515) - Setareasemuni (2370), lichess.org, 2020.

6.c4 c5 7.Nc3 d6 (7...a6 8.Nf3=) 8.Be2 Nd7 9.a4 (9.Nf3 Nb6=) 9...b6 (9...Re8 10.Nf3=) 10.Bf3+= Rb8 11.Bd5 Ne5 (11...f5 12.Nge2+=) 12.Qc2 (12.d4 cd4 13.ed4 Ng4+/-) 12...Be6 (12...Bf5 13.e4 Be6 14.f4 Nc4 15.f5 gf5 16.ef5 Bd5 17.Nd5 Qe8 18.Kf2=+) 13.d3 (13.f4 Nc4 14.Be6 fe6=) 13...f5 14.Rd1 Qf6 15.Nge2 g5 (15...Rfe8 16.0-0+=) 16.h3 (16.h4 g4+=) 16...Qh6 (16...Rfe8 17.0-0+=) 17.Kd2 (17.f4 Ng4 18.fg5 A) < 18...Ne3 19.gh6 Nc2 20.Kd2 Bc3 21.Nc3+/- (21.Kc3?! Ne3=); B) 18...Qh4 19.g3 Ne3 20.gh4 Nc2 21.Kd2 Nb4+=) 17...Rfd8 (17...f4!?=) 18.f4+/- Ng6 19.fg5 (19.g3 Re8+/-) 19...Qg5+= 20.g3 (20.h4 Nh4 21.Nf4 Re8+=) 20...Bh6 (better is 20...Bd4! 21.Rde1 Qe3 22.Kd1 Bc3 23.Qc3 Bd5 24.cd5 Qf3=+) 21.Nf4+/- Qg3 22.Nce2 Qh4 23.Ne6 fe6= 24.Be6 Kh8 25.Bf5 Qf2 26.Bg6 Qe3= 27.Kc3 hg6 28.Kb3 Bg7 29.Rdg1 Re8 30.Ng3 d5=+ 31.cd5 Qd4 32.Ne4 c4! 33.dc4 Re4 34.Rg3 Rc8 35.Rd1?! Qe5 36.Rg4 Re2 37.Rd2 Re3 38.Kb4 Qd6 39.c5 Rc5 40.Qg6 Qg6 41.Rg6-+ Bc3 42.Kb3 Bd2 43.Ka2 Rd5 (44.Rc6 Bc3 45.Rc8 Kg7 46.Rc3 Rc3 47.Kb1 Rh3 48.Kc1 Rh2 49.a5 Rf5 50.ab6 Rf1) 0–1. Baeumcher,Karl – Gottschalk,Willi, Bahn–chN Borkum, 1996.

6.c4 Re8 7.d4=.

4.c3 a5

5.ba5 Ra5 6.Nf3 d5 7.e3 Bd6 8.Bd3 Nc6 9.Nd4 Nd4 10.cd4 c6 11.Nc3 0-0 12.0-0 Re8 13.f4 b6 14.Qf3 Bd7 15.Rae1 Qc7 16.g3 Bh3 17.Rf2 f5 18.Bf1 Bg4 19.Qg2 Qd7 20.h3 Bh5 21.Be2 Be2 22.Rfe2 b5 23.d3 b4 24.Nb1 Qb7 25.Rc2 Qa6 26.Qd2 Ra8 27.Re2 c5 28.dc5 Bc5 29.d4 Bd6 30.Qe1 Qb5 31.Rf2 Qd3 32.Qe2 Qe4 33.Rf1 Bf8 34.Qf2 f6 35.Re1 R5a6 36.Ree2 Re8 37.Rc1 Qd3 38.Qe1 Rae6 39.Kf2 Bd6 40.Qd2 Qb5 41.Qd1 Qb7 42.Nd2 Qa6 43.Nf3 Qa3 44.Qd2 Re4 45.Rc2 R8e6 46.Rc8 Kg7 47.Rc1 h6 48.Ne1 g5 49.Nd3 gf4 50.Nf4 Bf4 51.gf4 Rb6 52.Rc7 Kh8 53.Rc5 Rd6 54.Rb5 Kh7 55.Rb7 Kh8 56.Rb4 Ra6 57.Rb8 Kh7 58.Rb7 Kg6 59.Rd7 Qa5 60.Qd1 Qb5?? 61.Qg1 Kh5 62.Rg7 (62...Qe8 63.Qg3 Re3 64.Re3 Ra2 65.Ke1 Re2 66.Ke2 Qb5 67.Rd3 Qb2 68.Rd2 Qd2 69.Kf3 Qe2 70.Ke2=). GLChess207e – Dragon311_2, computer chess game, 2000.

5.b5 d5 6.Nf3=.

5.b5 Bg7 6.a4 (6.e3 d5=) 6...0-0 7.e4 (7.Nf3!?=) 7...d5 (7...Re8 8.Be2-/+) 8.ed5 Qd5 9.Nf3 (9.Qe2 Bf5 10.Na3 Nd7-/+) 9...Bh3-+ 10.c4 Qe6 (10...Re8 11.Be2 Qd3 12.Rg1-/+) 11.Qe2 Re8 (11...Qc8 12.Ra3 Bf5 13.Qd1=+) 12.Qe6=+ Be6 13.Kd1 Nd7 (13...c5=+) 14.Na3 (14.d4!?=+) 14...Nc5 (14...Ne5 15.Be2-/+) 15.Nd4 (15.Nc2!?-/+) 15...Ne4 16.f3?? (better is 16.Ne6 Re6 17.Kc2-+) 16…Nf2 (17.Kc2 Nh1 18.Ne6 fe6-+) 0–1. 1805DYDIDIDY – Baehr008, mySchach.de, 2005.

4.c3 d5

5.d4 a5 6.b5 A) 6...Bd6 7.e3 (7.Nd2 Bg4 8.Ngf3 0-0 9.e3 Re8 10.Bd3=) 7...Bf5 8.Bd3 Qd7 9.Bf5 Qf5 10.Nd2=; B) 6...a4 7.e3 (7.Nf3 Bd6 8.e3 Bg4 9.c4 c5 10.h3=) 7...Bd6 8.Bd3 0-0 9.Qf3 Re8 10.Ne2=; C) 6...Bg4 7.Nf3 Bd6 8.e3 0-0 9.Be2 Nd7 10.0-0=.

5.e3 a5=+.

5.g3 a5 6.ba5 Bf5 7.Qb3=+.

5.g3 c6 6.Bg2 f5 (6...a5 7.ba5 Qa5 8.Nf3=) 7.d4 Nd7 8.Nd2 (8.Nf3 Qf6=) 8...Bg7 (8...Nf6 9.Ngf3=) 9.Ngf3 0-0 10.Nb3 Re8 11.0-0 Nb6 12.e3 Nc4 13.Nfd2 Nd6 14.Rc1 (14.Qf3 Qf6=) 14...b6 (14...Be6!?=) 15.c4+= Bb7 (15...Ne4 16.cd5 Qd5 17.Qc2+=) 16.Re1 (16.cd5 cd5 17.Qf3 Qe7+/-) 16...Rc8 (16...dc4 17.Nc4 Ne4 18.a3+=) 17.cd5 cd5 18.Rc8 Qc8 19.Qb1 Qa8 (19...Qc3 20.a3 Ne4 21.Ne4 fe4 22.Rc1+/-) 20.Rc1 (20...Ne4 21.Qd3+/-) 1–0. Rosner,Dirk – Bivens, corr 3GMM–14, 1995.

5.d4 Bd6

6.Qa4 A) 6...Nd7 7.Qa5 (7.Nf3 a5 8.e3 0-0 9.ba5 Nb6 10.Qb3=+; 7.e3 0-0 8.Qa5 c6 9.Qd8 Rd8 10.Bd3=+) 7...Nb6 8.e3 c6 9.Nf3 Qe7 10.Bd3=; B) 6...c6 7.e3 (7.Nf3 Bg4 8.Nbd2 b5 9.Qa3 a5 10.e3=+; 7.Qb3 a5 8.ba5 Qa5 9.e3 0-0 10.Bd3=+) 7...0-0 8.Nf3 b5 9.Qc2 a5 10.ba5=+.

6.Qb3 A) 6...c6 7.Nf3 (7.e3 Bf5 8.Nd2 a5 9.ba5 Qa5 10.Ngf3=) 7...Qe7 8.b5 a5 9.e3 a4 10.Qb2=; B) 6...a5 7.ba5 (7.Qd5 ab4 8.e3 0-0 9.Nf3 Nc6 10.Qb3=+; 7.e3 ab4 8.cb4 0-0 9.b5 Re8 10.Be2=+) 7...Ra5 8.e3 0-0 9.Nf3 Nd7 10.c4=+.

6.e3= a5 7.b5 0-0 8.Bd3 Be6 9.Nf3 Re8 10.0-0=.

6.Nf3 0-0 7.e3 Be6 (7...f5 8.Be2= (8.Bb5 f4 9.ef4 a5=+) 8...f4 9.ef4 Bf4=+) 8.Nbd2 (8.Bd3 a6 (8...a5 9.b5 c6=) 9.0-0 Re8=) 8...f5 (8...Re8 9.Bd3= Nd7=; 8...a5 9.b5 Nd7=) 9.Bd3 Nd7 (9...Re8 10.0-0=) 10.h3 (10.0-0 Re8=) 10...h6 (10...a5 11.b5=) 11.Qc2 Kg7 12.a3 (12.0-0 Re8=) 12...a6 (12...Re8 13.0-0+=) 13.c4+= c6 14.0-0 Qf6 (14...dc4 15.Nc4 Bc7 16.Rad1+=) 15.c5 Bc7 16.Rfe1 g5 17.Nf1 (17.g3 f4 18.ef4 Bh3 19.fg5 hg5=) 17...g4= 18.hg4 fg4 19.N3h2 h5 20.Ng3 Qh4 (20...Bg3 21.fg3 Qg5 22.Nf1=) 21.Nhf1+= Qg5 22.e4 Bf4 (22...de4 23.Be4 Rfe8+=) 23.Nf5 (better 23.e5!?+-) 23...Bf5= 24.ef5 h4 25.g3 (25.Re2 Rfe8=) 25...Bc7 26.Re3 Rh8 27.Rae1 hg3 (27...Nf6!?=+) 28.fg3+= Rh3 29.R1e2 (29.Kg2 Rah8=) 29...Rah8=+ 30.Rg2? (30.Kg2 Qh6 31.Kf2 Rh1-+) 30...Rh1 31.Kf2 Bd8?? (better 31...Bf4!? 32.Qc3 Be3 33.Ne3 Nf6-+) 32.Be2 (32.Qc3!?=+) 32...Nf6 (32...R8h5 33.Bd3 Qf6 34.Rg1 Qd4 35.Rh1 Rh1 36.Be2-+) 33.Qd3 Ne4 (33...R8h5 34.Ke1-/+) 34.Re4=+ de4 35.Qe4 Bf6 36.Ne3 Rd8 37.d5 (37.Qg4 Qg4 (37...Rd4?! 38.Qg5 Bg5 39.Nf1-+) 38.Bg4 Bd4-+) 37...Bc3 (37...cd5!? 38.Qg4 Qg4 39.Bg4-+) 38.Rg1 Rh2 (38...cd5!? 39.Qd3 Rg1 40.Kg1 d4 41.Ng4 Qc1 42.Bf1 a5 (42...Qa3?? 43.f6 Kh8 44.Ne5+-) 43.f6 Kg8 44.ba5 Ba5=+ (44...Qa3 45.Nh6 Kh8 46.Nf7 Kg8 47.Qg6 Kf8 48.Ng5 Qc5 49.Ne6)) 39.Rg2=+ Rg2 40.Kg2 cd5 (40...Kf8 41.Qd3 (41.Bg4? Re8 42.Qf4 Qf4 43.gf4 Re3-+) 41...cd5 A) 42.Qc3? d4 43.Qa1 Qe3 (43...de3?! 44.Qh8 Ke7 45.Qe5 Kd7 46.Qd5 Ke8 47.Qe5 Qe7 48.Qf4-/+) 44.Bg4 Qd2 45.Kf1 Qd3 46.Kg2 Qe4 47.Bf3 Qc2 48.Kf1 Qc3-+; B) 42.Nd5=+) 41.Nd5= Bb2 42.Ne3 (42.Nf4 Rd7=) 42...Rd2 (42...Ba3 43.Ng4 Qd2 44.Qe5 Kf8 45.Qh8 Ke7 46.Qe5 Kd7 47.c6 bc6 48.Kh3=) 43.Ng4 (43.Nc4 Rd4 44.Qe5 Qf6+=) 43...Qd8 (43...Kf8 44.a4=) 44.Kh3 (44.Kf3 b5=) 44...Qh8 (44...Kf8 45.a4=) 45.Kg2 Qd8 (45...Kf8 46.Kf2=) 46.Kh3 (better 46.Kf3 b5 47.cb6 Qb6 48.Bd3+=) 46...Bf6 (46...Kf8 47.a4=) 47.Nf2 (better 47.Qe3 Bg5 48.f6 Qf6 49.Qd2 (49.Nf6? Be3 50.Nh5 Kg6-+) 49...Bd2 50.Nf6 Kf6 51.Bf3+-) 47...Qd4=+ 48.Qf3 Qd5 (better 48...Qb2!? 49.Nd3 Qa3=+) 49.Qg4 (49.Ne4 Ra2 50.Qg4 Kh6+-) 49...Kf8+= 50.Ne4 Rd4 51.Bf3 (51.Qg8 Ke7 52.Qe8 Ke8 53.Nf6 Ke7 54.Nd5 Rd5+=) 51...Qe5 (better 51...Qc4+=) 52.Qh5?? (better 52.Bg2+-) 52...Re4-+ 53.Qh6 (53.Be4 Qe4 54.Kh2 Qe3-+) 53...Ke7 (53...Bg7!? 54.Qg5 Rd4 55.Bb7-+) 54.Qh7?? (54.Be4 Qe4 55.Qd2 Qf5 56.Kh2 Qh7 57.Kg2 Qe4 58.Kh3-+) 54…Re3 (54...Re3 55.Qh5 Qc3-+) 0–1. Fett,Helmut (1795) – Wagenfeld,Wladymyr (1610), 06. Nuernberger StM.06–Senioren, 2006.

6.Nf3 a5 A) 7.Qa4 Nd7 8.e3 0-0 9.ba5 Nb6=+; B) 7.b5= f5 (7...0-0 8.e3 Re8 9.c4 Bb4=; 7...c6 8.e3 0-0 9.Bd3 Be6=) 8.g3 0-0 9.Bg2 Re8=; C) 7.ba5 0-0 (7...Ra5 8.e3 0-0 9.Be2 Nd7=) 8.e3 Ra5 9.Be2 Nd7=.

6.Nf3 Nd7 7.e3 0-0 (7...Qe7 8.Bd3 Nb6 9.0-0 Be6=; 7...c6 8.Bd3 0-0 9.0-0 Qc7=) 8.Bd3 a5 9.b5 Re8=.

6.Nf3 Bf5 7.e3 0-0 (7...a5 8.Bd3 Bd3 9.Qd3 ab4=; 7...Qe7 8.Bd3 Bd3 9.Qd3 0-0=; 7...Nc6 8.Bd3 Qd7 9.0-0 0-0=; 7...Be4 8.Bd3 f5 9.0-0 0-0=) 8.Bd3 Bg4 9.0-0 Re8=.

6.e3 0-0

7.Bd3 Re8 8.Ne2 a5 9.b5 Be6=.

7.Bd3 Re8 8.Nf3 f5 9.0-0 f4 10.ef4=.

7.Be2 Nd7 8.Nf3 a5 9.b5 Re8=.

7.Be2 Re8 8.Nf3 f5 9.0-0 f4+=.

7.Nf3 Re8 8.Bb5 c6 9.Bd3 a5=.

7.Nf3 f5 8.Bb5 f4 9.ef4 a5+=.

5.d4 Bg7

6.Nd2 Be6 7.e3 (7.Ngf3 0-0 8.Nb3 (8.e3 f5 9.Be2 f4 10.ef4=; 8.a3 f5 9.e3 f4 10.ef4=) 8...Qd6 9.e3 Nd7 10.Bd3=) 7...0-0 (7...Qe7 8.Bd3= (8.Ngf3 0-0 9.Bb5 a5 10.a3=; 8.Be2 Nd7 9.Ngf3 0-0-0 10.0-0=) 8...a5 9.Qa4 c6 10.b5+=) 8.Bd3 (8.Ngf3 Qd6 (8...a5= 9.b5 c5 10.Be2=) 9.Bb5 a5 10.a3=; 8.Be2 a5 9.Ngf3 ab4 10.cb4=) 8...Re8 (8...Qe7 9.Ngf3= a5 10.ba5=; 8...a5 9.b5 c5 10.bc6=) 9.Ne2 (9.Ngf3 f5 (9...Nd7= 10.0-0+=) 10.0-0=) 9...Nd7 (9...Bg4 10.0-0=; 9...a5 10.b5=) 10.0-0 (10.Nf4+=) 10...Nb6 (10...c6 11.Nf4+=) 11.Qb3 (11.Nb3 Rb8+=) 11...Qe7 (11...a5 12.a3=) 12.a4 (12.Nf4 a5=) 12...a5= 13.b5 Rac8 (13...Qd6 14.c4 dc4 15.Nc4 Nc4 16.Bc4+=) 14.c4 (14.Qc2 Bg4+=) 14...dc4 (14...c5 15.Rac1=) 15.Bc4 Nc4 16.Nc4 c5 17.Rac1 (17.bc6 Rc6 18.Rac1 Rec8=) 17...cd4=+ 18.Nd4 Rc5?? (better 18...Bd5=+) 19.Ne6+- Qe6 (19...fe6 20.Na5 Rc1 21.Rc1+-) 20.Na5 Qb3 (20...Rc1!? 21.Rc1 b6 22.Qe6 fe6+- (22...Re6?? 23.Rc8 Bf8 24.Nc4+-)) 21.Nb3+- Rcc8 22.a5 Bf8 (22...h6 23.Rc8 Rc8 24.Rc1+-) 23.Rc8 Rc8 24.Rc1 (24.a6 ba6 25.ba6 f5+-) 24...Rc1 (24...Ra8 25.Rc7 Rb8 26.Rd7+-) 25.Nc1 1–0. Vermaas,Fred – Zaunerciks,Ilmars (1815), TE.2004.P.01710, 2004.

6.Nd2 f5 7.e3 (7.Ngf3 f4 8.g3 Qd6 9.Bg2 c6 10.Nb3=; 7.Qa4 c6 8.e3 0-0 9.Bd3 Qg5 10.g3=) 7...a6 (7...a5 8.b5= f4 9.ef4 Qd6 10.Ne2=; 7...f4 8.ef4 0-0 9.Bd3 Re8 10.Ne2+=) 8.Bd3+= 0-0 9.Nh3 b6 (9...a5 10.b5+=) 10.Nf3 (10.0-0 Re8+=) 10...c5 11.bc5 bc5 12.Nf4 Bb7 (12...Nc6 13.Rb1+=) 13.h4 (13.Rb1 Bc6+=) 13...cd4 (13...Nc6!?=) 14.cd4+= Qa5 (14...Nd7 15.h5+=) 15.Qd2+- Nc6 16.h5 Rfe8 17.hg6 (17.Qa5 Na5 18.Rb1 Rab8+-) 17...fg6+= 18.Qa5 Na5 19.Kd2 (19.Rb1 Rac8+-) 19...Rac8 20.Ng5 h6 21.Nge6 g5 (21...Nc4!? 22.Ke2 Kf7 23.Ng7 Kg7+-) 22.Ng7+- Kg7 23.Nh5 Kg6 (23...Kf7 24.Bf5 Nc4 25.Ke2+-) 24.g4 (24.Ng3 Nc4 25.Ke2 Nd6+-) 24...Nc4 25.Ke2 Nd6 26.gf5 Nf5? (better 26...Kf7+-) 27.Ng3 Rf8 (27...Re4 28.Nf5 Kf5 29.Rab1+- (29.Be4?! de4 30.Rh6 Rc3+-)) 28.Nf5 (28.Rab1!? Rc7 29.Rb6 Bc6 30.Nf5 Rf5+-) 28...Rf5 29.Bf5 (better 29.Rab1 Bc6 30.Rb6 g4+-) 29...Kf5 30.Rh6 Rc2 (30...Rc6 31.Rh8+-) 31.Kf3 (31.Kd3 Rc6 32.Rh5 Kg6+-) 31...a5 (31...Bc6 32.a4 Rc4 33.a5+-) 32.Rb1 Bc8 (32...Rc6 33.Rc6 (33.Rb7?! Rh6 34.Re7 Rf6+-) 33...Bc6 34.Rc1+-) 33.Rb5 g4 34.Kg3 Ra2 35.Rd5 Ke4 36.Re5 (better 36.Rc5 Bb7 37.Rb6 Bd5+-) 36...Kd3 37.Rc6 Bb7 38.Rc7 Bf3 (38...Rb2 39.Ra5 Bf3 40.d5+-) 39.Ra7 (better 39.d5!? Ke2 40.d6 Rd2+-) 39...a4 40.Rea5 (40.d5 Ke2+-) 40...Bd1 41.d5 Kc4 (41...Kc3 42.d6 Rd2+-) 42.d6 Rd2 43.d7 Kb4 44.e4 (44.e4 Rd7 45.Rd7+-) 1–0. Roczniak,Jan – Oleszczak,S, corr Poland, 1985.

6.Nd2 Bf5 7.e3 (7.Ngf3 Qe7 8.e3 0-0 9.Be2 Re8 10.0-0=) 7...0-0 8.Ngf3 Re8 9.Be2 a5 10.b5+=.

6.e3 A) 6...0-0 7.Bd3 (7.Nf3 a5 8.Be2 ab4 9.cb4 Re8 10.Nc3=; 7.Be2 Re8 8.Nf3 a6 9.0-0 Be6 10.Re1=) 7...Re8 8.Nf3 a6 9.0-0 Bg4 10.Nbd2+=; B) 6...a5= 7.b5 (7.ba5 Ra5 8.Bd3 Nc6 9.Nf3 0-0 10.0-0=; 7.Nf3 0-0 8.Be2 Re8 9.0-0 ab4 10.cb4=) 7...0-0 8.Bd3 c5 9.dc5 Nd7 10.Nf3=.

6.Nf3 0-0 (6...a5 7.b5 0-0 8.e3 Re8 9.Bd3 f5 10.0-0+=) 7.e3 Re8 8.Be2 f5 9.0-0 Qd6 10.Qd2=.

6.Nd2 0-0

7.e3 a5 8.ba5 Ra5 9.Ngf3 Be6 10.Qb3=.

7.e3 Be6 8.Ngf3 a5 9.b5 Re8 10.Bd3=.

7.e3= Re8 8.Bb5 Bd7 9.Bd7 Qd7 10.Ngf3=.

7.e3 Re8 8.Bd3 Qe7 9.Ngf3 Be6 10.0-0+=.

7.Ngf3 a5 8.ba5 Re8 9.e3 f5 10.Be2=.

7.Ngf3 a5 8.b5 Re8 9.e3 f5 10.Be2=.

7.Ngf3 a5 8.e3 ab4 9.cb4 Re8 10.Bd3=.

7.Ngf3 Re8 8.e3 f5 9.Be2 a5 10.ba5=.

7.Ngf3 Bf5 8.e3 a5 9.ba5 Ra5 10.Qb3+=.

7.Ngf3 Bg4 8.e3 a5 9.ba5 Ra5 10.Qb3=.

4.c3 Qe7

5.Na3 b6 6.Nb5 d6 7.e3 Ba6? (7...a6 8.Qf3 c6 9.Nd4=) 8.Qa4 (8.Nc7 Qc7 9.Ba6 Na6 10.Qa4 Qd7 11.Qa6 Bg7+-) 8...c6 9.Nd6! Qd6 10.Ba6 b5 11.Qa5 Nd7 12.Bb7 Rd8 13.Qa7 Ne5? (13...Qc7 14.a4 Rb8 15.ab5 Rb7 16.Qa8 Nb8 17.bc6 Qc6 18.Ra7+=) 14.Qd4?? (14.d4 Nd3 15.Kf1 Nb2+-) 14...Qd4?? (better is 14...Qc7 15.Qe4 Bd6+=) 15.ed4+- Nd3 16.Ke2 Nf4 17.Kf3 Rd6 18.Kf4 Bh6 19.Kf3 Bd2 20.Ne2 0-0 21.Rhd1 Bh6 22.d5 cd5 23.Bd5 Rfd8 24.c4 bc4 25.Nc3 Bg7 26.Rd4 f5 27.Rc4 Bc3 28.Bf7! Kf7 29.Rc3 Rd3 30.Rd3 Rd3 31.Ke2 Ra3 32.b5 Ke7 33.Kf1 Kd7 34.Rd1 Kc7 35.Rd2 Kb6 36.Rb2 Ra5 37.Ke2 Ra4 38.Kd3 Re4 39.f3 Ra4 40.Kc3 f4 41.Kb3 Rd4? 42.a4+- Rd3 43.Kc4 Ra3 44.Kb4 Rd3 45.a5 Kb7 46.Rc2 Rd4 47.Kc5 Ra4 48.a6 Ka7 49.Kc6 g5 50.Kd5 Rb4 51.Rc7 Kb6 52.Rb7 Ka5 53.a7 Rb5 54.Rb5 Kb5 55.a8Q g4 56.fg4 f3 57.gf3 h6 58.Qc6 Kb4 59.Qc5 Kb3 60.Qc4 Ka3 61.Kc5 Kb2 62.Kb4 Kb1 63.Kb3 Ka1 64.Qc3 Kb1 65.Qc2 Ka1 66.Qb2# (66.Qd1#) 1–0. jackw171 – 13bioly13, kurnik, 2012.

5.d4 Bg7 6.e3 0-0 7.Nf3 d6 8.Be2 b6 9.0-0 Bb7 10.Nbd2 a6 11.a4 Nc6 12.b5 ab5 13.Bb5 Na5 14.Be2 f5 15.h3 c5 16.Bb5 Qc7 17.Rb1 cd4 18.cd4 Bf3 19.Nf3 Rfc8 20.Qd3 Qc3 21.Qc3 Rc3 22.Rbc1 Rac8 23.Rc3 Rc3 24.d5 Bf8 25.Bc6 Nc6 26.dc6 Rc6 27.Rb1 Be7 28.Nd4 Rc4 29.Rb6 Ra4 30.Nc6 Bf8 31.Nd4 Kg7 32.g3 Rc4 33.Kg2 h5 34.Kf3 Be7 35.g4 fg4 36.hg4 hg4 37.Kg4 f5 38.Kf3 Kf6 39.Ne2 g5 40.Nd4 Ke5 41.Nc6 Ke6 42.Nd4 Kf6 43.Nc6 g4 44.Kg3 Kg5 45.Ne7 d5 46.Rg6 Kh5 47.Rd6 d4 48.Nf5 de3 49.Ne3 Rc3 50.Rd5 Kg6 51.Kg4 Ra3 52.Rg5 Kf6 53.Nd5 Ke6 54.Nf4 Kf6 55.Nd5 Ke6 56.Nf4 Kd6 57.Nh5 Kc6 58.f4 Kd6 59.Re5 Ra4 60.Re1 Kc6 61.Kg5 Rd4 0–1. joaquimbage – raffi4444, kurnik, 2012.

4.c3 f5

5.a4 Bg7 6.Ra3 (6.Nf3 f4=) 6...a6 (6...0-0 7.Nh3=) 7.e3 0-0 8.Be2 d6 9.Bf3 Nc6 10.Ne2 Be6 (10...Ne5 11.Nf4=) 11.Bc6 (11.d4 d5+=) 11...bc6= 12.0-0 a5 13.d4 ab4 14.cb4 Qb8 15.b5 (better 15.Qd2!?=) 15...cb5-/+ 16.ab5 Ra3 (better 16...Qb5!? 17.Qd2 Ra3 18.Na3 Qb3-/+) 17.Na3+= Qb6 18.Qd3 Bd7 Exerts pressure on the isolated pawn 19.Rb1 Ra8 20.Nc4 Qb7 (20...Bb5 21.Nb6 Bd3 22.Na8 Bb1 23.Nc7=) 21.Nc3 White intends d5 21...Bf8 22.d5 Bg7 23.Nd2 (better 23.b6!?+=) 23...Ra3 24.Rb3 (24.Nb3 Bc3 25.Qc3 Qd5-/+) 24...Rb3-/+ 25.Nb3 Bc3 26.Qc3 Qb5 27.h3 (27.h4 Qd5 28.Qc7 Bc6 29.Qb8 Kg7-/+) 27...c5 (better 27...Qd5 28.Qc7 Bc6 29.Qb8 Kg7-/+) 28.Qf6? (better 28.dc6 Bc6 29.Nd4 Qb1 30.Kh2=+) 28...Qb3-+ 29.Qd8 Kg7 30.Qd7 Qd5 31.g4 (31.Qa4 c4-+) 31...fg4 32.Qg4 c4 33.Qd4 (33.Qe2 c3 34.Kh2 Qd2-+) 33...Qd4 34.ed4 Kf6 (better 34...c3 35.Kf1 c2 36.Ke2-+) 35.Kf1 Kf5 36.Ke2 Ke4 37.f3 Kd4 38.Kd2 d5 39.h4 Kc5 (better 39...f5 40.Ke2-+) 40.Kc2 d4 41.Kd2 Kd5 42.Ke2 Ke5 43.Kf2 Kf4 0-1. ch77essi988 (1700) - aleitbg (1785), Rated Blitz game, lichess.org, 2017.

5.b5 Bg7 6.e3 0-0 7.d4 d6 8.Be2 Nd7 (8...f4 9.ef4 Re8 10.Nf3=) 9.Bf3 c6 (9...Re8 10.Ne2=) 10.Be2 (better 10.bc6!? bc6 11.Bc6+/-) 10...cb5 11.Bb5 Nf6 12.Be2 (12.Ne2 Be6=) 12...Ne4 13.Bf3 Qh4 14.Be4 fe4 15.g3 (15.Nd2 Bh6=+) 15...Qf6 (15...Qe7 16.Nd2-/+) 16.Ne2 (16.c4 b6=+) 16...Be6 (16...Qf3 17.Rf1-/+) 17.Nf4 White intends d5 17...Rad8 (17...b5 18.Nd2 d5 19.f3 ef3 20.Qf3=+) 18.d5 (18.Nd2 d5=+) 18...Bd7 19.c4?? (better 19.Qd4-/+) 19...Rfe8 (19...Qa1!? 20.a3-+) 20.Nd2 Qc3 (better 20...Qa1 21.Qa1 Ba1-+) 21.Rc1 Qe5 (21...Qa5 22.Qb3-/+) 22.Nb3 Bf5 (22...Rc8 23.Qd4 b5 24.Qa7-/+) 23.Nd4 Bg4?? (23...Re7 24.Qa4 a6 25.Qa5=+) 24.Qd2?? (better 24.Qg4 Qe7 25.Qd1+-) 24...Bf3 (24...g5 25.Ng2=+) 25.Rg1 (25.Nf3 ef3 26.0-0 Rc8=) 25...g5 (25...Rc8 26.Nf3 ef3 27.h4=+) 26.Nfe6 (26.Nfe6 fe6 27.Ne6-+). chessovolution - Schloz13 (1610), Rated UltraBullet game, lichess.org, 2021.

5.d4 d5 6.e3 c6 7.f4 (7.Nf3 f4=) 7...Na6 (7...Qh4 8.Ke2=+) 8.Nf3 Nc7 9.a3 Ne6 (9...a5 10.Nbd2=) 10.a4 Bg7 11.Be2 Bd7 12.0-0 Qc7 13.Na3 White prepares b5 13...Nf8 (13...0-0 14.c4=) 14.Rc1 Be6 15.Ng5 Nd7 16.Ne6 fe6 17.b5 (17.c4 0-0+=) 17...Nf6 18.bc6 bc6 (18...Qc6?? 19.Bb5+-) 19.c4 Ne4 (19...0-0!?=) 20.cd5+/- ed5? (better 20...Qd6 21.Nc4 Qd5+/-) 21.Nc2?? (better 21.Bb5 Kf8 22.Bc6+-) 21...Qa5= 22.Ra1 (22.Bd3 Qa4 23.Ra1 Qb3=+) 22...0-0 23.Na3 Nc3 24.Qc2? (24.Qd3 Ne2 25.Qe2 Rfe8-/+) 24...Ne2?? (better 24...Rfe8-+) 25.Qe2=+ Qc3 (25...Qa4 26.Nc2 Qb5 27.Qb5 cb5 28.Rfb1=) 26.Nc2 (26.Rfc1 Qb3=) 26...Rfe8 The backward pawn on e3 becomes a target 27.Rac1 (27.Ra3 Qa5=) 27...a5 (27...Bd4 28.Nd4 Qd4 29.ed4 Re2 30.a5-/+) 28.Rfe1 Rab8 29.Qa6 (29.Qd1 Rb6=+) 29...Rb2-/+ 30.Re2 Re3?? (better 30...Ra2-/+) 31.Re3 1-0. tunniato – rinoxhsw, lichess.org, 2020.

5.d4 Bg7 6.e3 0-0 7.Bd3 b6 8.Ne2 Bb7 9.Qc2 (better 9.0-0+=) 9...Bg2-/+ 10.Rg1 Bf3 11.Nf4 a5 12.b5 d6 (12...Qh4!?=+) 13.Rg3 Bb7 14.Nd2 (14.Bf5 Re8=) 14...Nd7 (14...Bh6 15.Ne2=+) 15.h4 (15.Bf5 Nf6 (worse 15...gf5 16.Nh5 Nf6 17.Rg7 Kh8 18.Qf5+/-) 16.Bd3 Re8=) 15...Nf6 (better 15...Qh4!? 16.0-0-0 c5 17.bc6 Bc6 18.Bf5 Qe7=+ (worse 18...gf5 19.Qf5 Qf6 20.Qd3+=)) 16.h5= Nd5 17.hg6 Nf4 (better 17...hg6!? 18.Nd5 Bd5=) 18.gh7+/- Kh8 19.ef4 Re8 20.Kd1 (20.Re3 Re3 21.fe3 Qh4 22.Kd1 Qh3+/-) 20...Qe7 (20...Bh6!? 21.Bf5 Qh4+=) 21.Kc1 Qe1 22.Kb2 Qf2 23.Rag1 (better 23.Rh3+/-) 23...Bf6? (better 23...Bh6!? 24.Nf1 Qc2 25.Kc2 Bf4=) 24.Bf5 Re2?? (better 24...Qf4 25.Bd7 Rf8+-) 25.Rg8 (25.Rg8 Rg8 26.hg8Q) 1-0. Gehaktbalmetjus (2070) - Zimmnerheld (2035), Rated Bullet game, lichess.org, 2020.

5.d4 Bg7 6.e3 0-0 7.f4 Qh4 8.g3 Qe7 9.h4? (better 9.Kf2!?=+) 9...Qe3-+ 10.Qe2 (10.Ne2-+) 10...Qg3 11.Kd1 (11.Qf2 Re8 12.Ne2 Qf2 13.Kf2 d6-+) 11...Qf4 12.Nf3 (12.Nd2 d5-+) 12...d6 13.Nbd2 Bd7 14.Bg2 Bb5?? (better 14...Re8 15.Qf1 c5-+) 15.c4?? (better 15.Qb5 b6 16.h5+/-) 15...Bc6 (better 15...Re8 16.Qf2 Ba4 17.Nb3 Nc6-+) 16.d5 (16.b5 Bf3 17.Bf3-+) 16...Ba1 (better 16...Ba4 17.Nb3 Ba1 18.h5-+) 17.dc6 Nc6 18.Kc1 (18.b5 Nb4 19.Qe7 Na2-+) 18...Nb4 19.a3 (19.Kb1 Rfe8 20.Qd1 Bf6-+) 19...Rfe8 20.Qf2 (20.Qd1 Nd3 21.Kc2-+) 20...Nd3 21.Kb1 Nf2 22.Ka1 Nh1 23.Bh1 Re1! 24.Ne1 Qd2 25.Bb7 Qe1 (25...Re8 26.Ng2 Re2 27.Nf4 Qe1) 26.Ka2 Re8 (26...Rb8 27.Kb3 Rb7 28.Kc2 Qe2 29.Kc1 Rb2 30.c5 Qd2) 27.Kb3 Re3 28.Ka4 Qc3 29.Kb5 Qa3 (29...Qb3 30.Kc6 Re7 31.Bc8 Qb6 32.Kd5 Re5) 30.Kc6 (30.Bd5 Qc5 31.Ka4 Ra3) 30...Qc5 (30...Re7 31.Bc8 Qf3 32.Kb5 Qb3 33.Ka5 c6 34.Bf5 Qa3) 31.Kd7 Kf8 (31...d5 32.Bc6 Qd6 33.Kc8 Qc6 34.Kb8 Re8 35.Ka7 Qb6) 32.Bc6 (32.Bh1 Re7 33.Kd8 Re8 34.Kd7 d5 35.Bd5 Qd6) 32...Re7 33.Kc8 Qc6 34.Kb8 Qb6 (34...Re8 35.Ka7 Qb6) 35.Kc8 Re8 (35...c5 36.h5 Qc7) 36.Kd7 c5 37.h5 Qd8 (37...Rd8) 38.Kc6 Qb6 39.Kd5?? (better 39.Kd7 Rd8) 39…Re5 0-1. afsharian – AHMETTtt, lichess.org, 2018.

5.d4 Bg7 6.Nf3 d6 (6...Qe7 7.g3=) 7.e3+= Be6 8.Nbd2 Nd7 9.Bd3 Qe7 10.0-0 h5 (10...0-0-0 11.Qa4 Kb8 12.Rfd1+=) 11.Rc1 (11.Qa4 c6+=) 11...g5 (11...0-0-0 12.c4+=) 12.c4 g4 13.Ne1 h4 (better 13...Nb6+/-) 14.e4?? White prepares the advance d5 (14.d5 g3+-) 14...f4?? (better 14...fe4 15.Be4 Bd4=+) 15.d5+- Bd5? (better 15...g3!? 16.de6 fe6+-) 16.ed5 (better 16.cd5 Nf6+-) 16...0-0-0? (16...g3 17.Nef3+-) 17.Ne4 (better 17.Qg4 h3 18.c5 Bb2+-) 17...g3 (17...Ne5 18.c5 dc5 19.Nc5+- (19.Rc5?! Kb8+/-)) 18.fg3 (18.Nf3 h3 19.fg3 Rdg8+-) 18...hg3 19.h3 (19.hg3 Bd4 20.Rf2 f5-+ (20...Bf2?! 21.Nf2 fg3 22.Nh3-/+)) 19...Bd4 20.Kh1 Ne5? (better 20...Be3+-) 21.Rf4 (better 21.Nd6 Qd6 22.Bf5 Kb8 23.Qd4+-) 21...Rh5?? (better 21...Be3 22.Rf1 Bc1 23.Ng3 Rdg8-/+) 22.Bb1 (better 22.Qh5 Be3 23.Qf5 Qd7 24.Rb1 Bf4 25.Qf4+-) 22...Be3 23.Rc3 (23.Qh5 Bc1 24.Rf1 Ba3+-) 23...Bf4 (23...Rh3 24.gh3 Bf4+-) 24.Nf3 (better 24.Qh5 Qd7 25.Nf3+-) 24...Nf3 (24...Ng4 25.Kg1 Nf2 26.Nf2-+) 25.Qf3 Be5 (25...Rh4!? 26.Bc2-+) 26.Re3 Rdh8 27.Ng3 Rh3?? (better 27...Rg5-/+) 28.gh3+- Rh3 29.Kg2 Rg3?? (better 29...Rh4 30.Bd3 Kb8+-) 30.Qg3+- Bg3 (30...Qd8 31.Qg4 Kb8+-) 31.Re7 Be5 (31...Kd8 32.Rf7 Bh4 33.Rh7+-) 32.Rf7 (32.Bf5 Kd8 33.Rd7 Ke8 34.Rc7 b6 35.Ra7 Bc3+-) 32...b6 (32...a6 33.Rf8 Kd7 34.Bf5 Ke7 35.Rc8+-) 33.Bf5 Kb7 (33...Kd8 34.Rd7 Ke8 35.b5+-) 34.a4 (34.b5 Bf6 35.Rf8 a5 36.Bd7 Ka7 37.Bc6 Bd8 38.Rd8 a4 39.Ra8) 34...a5 (34...b5 35.Bd7 ba4+-) 35.b5 Ka7 36.Rc7 (36.Bd7 Bc3 37.Bc6 Bd4 38.Rf8 Be5 39.Ra8) 36...Kb8 37.Rd7 (better 37.Rc6 Kb7+-) 37...Kc8 (37...Bf4 38.Rf7+-) 38.Be6 (better 38.Rd6! Kb7 39.Rd7 Ka8+-) 38...Kb8 39.Kf3 Kc8 (39...Bh2 40.Ke4+-) 40.Ke4 (better 40.Rd6 Kb7 41.Rd7 Kb8 42.d6 Bd6 43.Rd6 Kb7 44.Rd7 Kb8 45.Re7 Ka8 46.c5 bc5 47.Bd5 Kb8 48.b6 Kc8 49.Bc6 c4 50.Re8) 40...Bf4 (40...Kb8+-) 41.Kf4 (41.Rd6 Kb8 42.Kf4 Kc7 43.Rc6 Kb8 44.d6 Ka7 45.d7 Kb7 46.d8Q Ka7 47.Rc7) 41...Kb8 42.Kf5 (42.Rd6 Ka7 43.Rd7 Kb8 44.d6 Kc8 45.Re7 Kb8 46.Re8 Ka7 47.d7 Kb7 48.Bd5 Kc7 49.d8Q) 42...Kc8 43.Kf6 (43.Rd6 Kb7 44.Rd7 Kb8 45.d6 Kc8 46.Re7 Kb8 47.Re8 Ka7 48.d7 Kb7 49.Bd5 Kc7 50.d8Q) 43...Kb8 44.Ke7 Ka8 45.Rc7 Kb8 46.Kd6 Ka8 47.Kc6 Kb8 48.Kb6 Ka8 49.Rc8 1-0. tunniato – NicolasFather, lichess.org, 2021.

5.d4 Bg7 6.f4 0-0 7.e3 d6 8.Nf3 Be6 9.Bd3 c6 10.Ng5 Bd7 (10...Bd5 11.0-0=+) 11.0-0= Bh6 12.Nh3 Qh4 (12...Re8 13.Qf3=) 13.Qd2 (13.Nd2 Re8=) 13...Re8 14.Rf3 Bg7 (14...Qf6 15.c4=) 15.Bc4?? (better 15.Ng5 f6 16.Rh3 fg5 17.Rh4 gh4 18.Na3+/-) 15...d5 (15...Qf6 16.Bb3=+) 16.Bb3 (better 16.Be2 Qe7 17.c4=+) 16...Na6?? (16...Qe7 17.c4=+) 17.a3?? (17.Ng5 f6 18.Rh3 fg5 19.Rh4 gh4+/-) 17...Nc7 (17...Qf6 18.Qd3=) 18.Qe2?? (better 18.Ng5 f6 19.Rh3 fg5 20.Rh4 gh4 21.c4+/-) 18...Ne6 19.Nd2 Nf8 20.Nf1 (20.Qd3 Qf6=) 20...Be6 (20...a5 21.Qd1=+) 21.Ng5= h6 (21...Qg4 A) 22.Ne6?! Ne6 (22...Re6? 23.Qf2+-) 23.Qf2 g5+/-; B) 22.Qd3 Bf6 23.Rg3+/-) 22.Ne6?? (better 22.Rh3!? hg5 23.Rh4 gh4 24.Nd2+/-) 22...fe6 (22...Ne6 23.Ng3=+) 23.Rh3= Qf6 24.Ng3 h5 (24...a5 25.b5=) 25.Bc2 Nh7 26.Nf1 e5 (better 26...a5+=) 27.Rg3?? (better 27.de5 Qe6 28.Bd3+/-) 27...ef4 28.Rf3 fe3 (better 28...Bh6 29.Qd3 fe3-/+) 29.Ne3? (better 29.Re3!? Re3 30.Qe3-/+) 29...Bh6 (29...Ng5!? 30.Rf2 f4 31.Nd5 cd5 32.Qb5-+) 30.Qf2 Ng5 31.Bf5?? (better 31.Rg3 f4 32.Nf1-+) 31...gf5 (better 31...Nf3 32.Kh1 Be3 33.Qf3 Qf5 34.Qf5 gf5-+) 32.Rf5 Qf5 (better 32...Qg6 33.Qc2 Kg7 34.Rg5 Bg5 35.Nf5 Kh7-+) 33.Nf5+- (33.Qf5?! Re3 34.Qg6 Bg7 35.Qg5 Rc3+-) 33...Ne4 34.Qf3 (better 34.Nh6 Kh7 35.Qf4 Nc3 36.Qf7 Kh6+-) 34...Rf8 (34...Bf8+-) 35.Nh6 Kh7 (35...Kg7 36.Qh5 Rh8 37.Nf5 Kf6 38.Qg4+-) 36.Qh5 Rf6 (36...Nf6 37.Qh3 Kg6+-) 37.Nf5 Rh6 (37...Rh6 38.Qh6 Kg8 39.Qg7; 37...Kg8 38.Rf1 a6 39.Qg4 Ng5 40.Qg5 Rg6 41.Qg6 Kf8 42.Qg7 Ke8 43.Qe7). tunniato – SirMatteo, lichess.org, 2021.

5.d4 Bg7 6.f4 a6 7.e3 b5 (7...0-0 8.Nf3=+) 8.a4= d5 (8...Bb7!?=) 9.ab5+/- ab5?? (better 9...0-0+/-) 10.Ra8+- Nc6 (10...Bd7 11.Nf3+-) 11.Ra1 (better 11.Bb5 Kd7 12.c4 dc4+-) 11...0-0 12.Bb5 Bd7 13.Be2 Qe7 14.Nf3 Rb8 (14...Qe3 15.Qd2 Qe7 16.0-0+-) 15.Qd3 Nb4 (15...Re8 16.b5 Nb8 17.Ne5+-) 16.cb4 Qb4 17.Nfd2 (17.Nbd2 Bb5 18.Qa3 Bf8 19.Qb4 Bb4+-) 17...Bb5 (17...c5 18.Nc3 cd4 19.Rb1 dc3 20.Rb4 Rb4 21.Nf3+-) 18.Qc2 (18.Qa3!? Bf8+-) 18...Be2 19.Ke2 Qb5 (19...Qe7 20.Ra4+-) 20.Kf3 h5 (20...c5 21.Na3 Qc6 22.Qc5 Qc5 23.dc5 Ba1 24.Ra1+-) 21.Nc3 (21.Qc7!? Qe8+-) 21...Qe8 22.Rhf1 (better 22.Nd5 c6 23.Nc7 Qd7+-) 22...Qe7 (22...c5 23.Nb3 cd4 24.Nd4+-) 23.Kf2 (better 23.Nd5!? Qd8 24.Nc7 Bf8+-) 23...Qh4 (23...c5 24.Nb3 cd4 25.Nd4+-) 24.g3 (better 24.Kg1 Qd8+-) 24...Qh2 25.Ke1 (better 25.Kf3 h4 26.Ne2 hg3 27.Ng3 Re8+-) 25...Qg3 26.Rf2 (better 26.Ke2 c5 27.Nf3 cd4 28.ed4 Qf4 29.Nd5 Re8 30.Kd1+-) 26...Qe3 27.Re2 (27.Ne2 Bd4 28.Rf3 Qe6+-) 27...Qg3 28.Kd1 Qg1 29.Re1 Qd4 30.Ne2 1-0. tunniato (1615) - mikdad88, lichess.org, 2021.

5.Nf3 Bg7 6.e3 0-0 7.d4 d6 8.Bd3 b6 9.Nbd2 Bb7 10.h4 h5 11.a4 Nd7 12.a5 c6 13.0-0 c5 14.Qa4 a6 15.ab6 Qb6?? 16.Qd7+- Bf3 17.Nf3 Ra7 18.bc5 (18.bc5 dc5 19.Qa4+-) 1–0. mrdoop (2430) – cmulligan (2230), net–chess.com, 2011.

4.c3 Bg7

5.d4 d5 6.e3 b6 7.Nf3+= Bb7 8.Bd3 c5 9.a3 (9.dc5 bc5 10.Bb5 Bc6 11.Bc6 Nc6 12.bc5 Ne5+=) 9...c4= 10.Bc2 a5 11.Nbd2 0-0 12.0-0 f5 13.Qb1 Nd7 14.Bf5 (better 14.Qb2+=) 14...gf5-/+ 15.Qf5 Qe7 16.Ng5 Nf6 17.Ndf3 (better 17.Rfb1!?-/+) 17...h6-+ 18.h4? (18.Nh3 ab4 19.ab4-+) 18...Bc8 19.Qf4 Nh5 20.Qh2 hg5 21.hg5 Bg4 22.Ne5 (22.Qh4 f5 23.Nh2 Qe4 24.ba5 Ra5-+) 22...Qg5 23.Ng4 Qg4 24.f3 (24.Qc7 Qg6-+) 24...Qg5 25.f4 Qg4 26.Qh3 (26.Rf3 ab4 27.cb4 Ra4-+) 26...Qh3 27.gh3 Ng3 28.Rf3 (28.Rfe1 Ne4-+) 28...Nf5 (28...Ne2 29.Kh2-+) 29.Raf1 (29.b5 a4-+) 29...Rae8 (29...ab4!? 30.ab4 Ra3 31.Rc1-+) 30.Kh1. Gehaktbalmetjus (2050) - ashiqalbhr (2075), Rated Bullet game, lichess.org, 2020.

5.d4 d6 6.e3 Nd7 7.Bd3 0-0 8.Qc2 b6 9.Nd2 Bb7 10.Ngf3 a5 11.b5 a4 12.a3 c6 13.0-0-0 (13.0-0!?+=) 13...cb5 14.Bb5 f5 15.c4 Nf6 16.h4 Ne4 17.Ne4 Be4 18.Qc3 d5 19.Nd2 (19.h5 Rc8=) 19...dc4 (better 19...Bg2!? 20.Rhg1 dc4 21.Bc4 Bd5 22.Bd5 Qd5-/+) 20.Ne4= (worse 20.Nc4 Qd5 21.Nb6 Qb5 22.Na8 Ra8-+) 20...fe4 21.Kb2 (21.Bc6 Rc8 22.Bb7 Rc7 23.Be4 Qe7=) 21...Qd5 22.Bc4 Qd6 (22...Qf5 23.f3 Rac8 24.fe4 Qe4-/+) 23.Bb5? (better 23.Qb4!? Qf6 24.Rdf1=) 23...Rfc8-+ 24.Qb4 Qc7 (better 24...Qf6!? 25.Qd2 Ra5-+) 25.Rc1=+ (25.Ba4? Bf8 26.Qb3 Qa7-+) 25...Qb7 (25...Qd8 26.h5=+) 26.Rc8 (26.Qd6!?+/-) 26...Rc8 (26...Qc8 27.Rc1 (worse 27.Ba4 Qf5-/+) 27...Qg4 28.Bc6=) 27.Rc1 Rc1 28.Kc1 Qc7 29.Kd2 Qh2 30.Ke2 (30.Bf1 Qh4 31.Ke1 Qh5=) 30...Qg2 (30...Bf8 31.Qa4 Qg2 32.Qa8=+) 31.Qa4 (31.Ba4!? Qf3 32.Kf1=) 31...Qf3 32.Ke1 Qh1 33.Bf1 Qh4 34.Qe8 Bf8 35.d5 (35.a4 Kg7 36.Qb5 Qf6-/+) 35...Qe7 36.Qe7 Be7 37.Bc4? (37.a4 h5-/+) 37...Bc5 (37...Ba3 38.f3-+) 38.f3? (better 38.a4!?-/+) 38...ef3-+ 39.Kf2 Ba3 40.Kf3 Bd6 41.Ke4 f6 42.Bb5 Kf7 43.Kd3 Ke7 44.e4 h5 45.Be8 (45.Ke3-+) 45...g5 (45...Ke8 46.Kd4 g5-+) 46.Bg6? (46.Bh5!? b5 47.Be2-/+) 46...g4 (better 46...h4!? 47.Bf5 b5-+) 47.Bh5 g3 48.Bf3 Kd7 49.Bg2 Be5 (49...b5 50.Kd4-+) 50.Kc4-/+ Kc7 51.Bf3 Kd6 52.Bg2 f5 (52...Bb2 53.Kb5 Bd4 54.Kc4-/+) 53.Bf3? (better 53.ef5!? Kd7 54.Bh3=+) 53...f4-+ 54.Bg2 f3 (54...f3 55.Bf3 Bf6=+) 0-1. Gehaktbalmetjus (2020) - Ahmadalkadymaa (2120), Rated Bullet game, lichess.org, 2020.

5.e3 a5=.

5.Nf3 0-0 6.e3 f5. Buresch,Rene (1960) – Boden,Daniel (1960), remoteschach.de, 2002.

5.d4 0-0

6.Qb3 d6 7.g3 (7.e3 a5=) 7...Be6 8.d5 Bd7 9.Bg2 Na6 (9...Re8 10.Nf3=+) 10.e3 Qe7 11.Ne2 c6 12.0-0 Nc7 13.dc6 Bc6 14.Bc6 bc6 15.Nd2 Qe6 (15...f5!?=) 16.Nd4+/- Qb3 17.N2b3 (17.N4b3?! Nd5 18.Nd4 f5=) 17...c5 (17...Nd5 18.Rfd1 f5 19.Rac1+=) 18.bc5 dc5 19.Nc5 Nd5 20.Rac1 f5 (20...Rac8 21.Ndb3+/-) 21.Rfd1 (21.c4 Ne7+-) 21...Nb6 (21...Rfc8 22.Nf5 Nc3 23.Ne7 Kf8 24.Nc8 Rc8 25.Rc3 Bc3 26.Ne4+/-) 22.Nb5 (22.Rb1 Rac8 23.Rb5 Rfd8+/-) 22...Nc4 (22...Rfc8 23.Na6 Rc4 24.a3+/-) 23.Nd7 Rfc8 24.Nd6 Nd6+= 25.Rd6 Rd8? 26.Rcd1 Bc3 27.Nc5 Rd6= 28.Rd6 a5 29.Nb7 Bb4 30.Rd7 Rc8 31.Kg2 Rc2=+ 32.Nd8 Ra2 33.Nf7 a4 34.Ng5 h6 35.Ne6 a3 36.Nd4?? Bc3?? 37.Nb5 Be1 38.Ra7? Rf2-+ 39.Kg1 a2 40.Nd4 Rb2 41.Nb3 Bc3 42.Ra6 Rb1 43.Kg2 a1Q 44.Na1 Ra1 45.Ra1 Ba1 (46.Kf3 Kf7-+) 0-1. delvoe99 - spit, Live Game Caissa's Web, 2004.

6.Nd2 a5 7.a3 ab4 8.ab4 Ra1 9.Qa1 f5 10.e3 Re8 11.g3 b6 12.Bg2 c5 13.bc5 bc5 14.Ne2 cd4 15.cd4 Ba6 16.Bf3 g5 17.Bd5 Qc7 18.Qa2 Re7 19.Nc4 f4 20.gf4 gf4 21.Kd2 fe3 22.fe3 Kh8 23.Qa5 Qa5+= 24.Na5 Be2 25.Ke2 Bd4 26.e4 Na6 27.Rf1 Kg7 28.Kd3 Be5 29.h3 Nc5 30.Ke3 Bc7 31.Nc4 Ne4! 32.Be4 d5 33.Nd2 Ba5 34.Kd4 Bd2 35.Bd5 f6 36.Be4 Bg5 37.Bf5 h5 38.Kd5 h4 39.Be6 Kf8 40.Rf3 Ra7 41.Ke4 Ke7 42.Bg4 Kd6 43.Rd3 Ke7 44.Kf5 Ra4 45.Kg6 Rf4 46.Rd7 Ke8 47.Rb7 Kd8 48.Rf7 Ke8 49.Rh7 Kd8 50.Ra7 Ke8 51.Rb7 Kd8 52.Rd7 Ke8 53.Rh7 Kd8 54.Rf7 Ke8 55.Rh7 ½–½. orangutandu (1655) – taopao, kurnik, 2012.

6.Nd2 b6 7.e3 Bb7 8.Ngf3 d6 9.Bd3 c5 10.a3 cd4 11.cd4 Nc6 12.0-0 f5 13.g3 Ne7 14.h4 Nd5 15.Qb3 Nf6 16.Rac1 Rc8 17.Rc8 Qc8 18.Be2 Ne4 19.Ne4 Be4 20.Ng5 Bc6 21.Bc4 Be8 22.Rc1?? Qa8?? 23.Bd5 Qb8 24.Rc2 h6 25.Nh3 Bd7 26.Nf4+- Kh7 27.Bf7 Be8 28.Be6 Qb7 29.h5! g5 30.Bd5 Qd7? 31.Ne6 Qa4 32.Nf8 Bf8 33.Qa4 Ba4 34.Rc7 Kh8 35.Ra7 b5 36.Be6 f4 37.g4 fe3 38.fe3 Bc2 39.Kf2 Ba4 40.Rb7 Bg7 41.Rb8 (41.Rb8 Bf8 42.Rf8 Kg7 43.Rf7 Kg8 44.Rd7 Kf8 45.Rd6+-) 1–0. orangutandu – markiz07, kurnik, 2012.

6.Nd2 b6 7.e3 d6 8.Bc4 a6 9.Ne2 f5 10.0-0 Bb7 11.Qb3 b5 12.Bd5 c6 13.Bf3 d5 14.a4 Nd7 15.ab5 ab5 16.g3 Qc7= 17.Kg2 Nb6 18.h4 h5 19.Nf4 Ra1 20.Ra1 Na4 21.Qc2 Qd6 22.Nb3 f6?? 23.Nc5 Nc5 24.bc5 Qc7 25.Ne6 Qb8 26.Nf8 Bf8 27.Qa2 Qc8 28.Qa7 Be7 29.Qb6 Bd8+/- 30.Qa7 Bc7?? 31.Qa2 Kg7 32.Qb3 Kh6 33.Be2 g5 34.Qc2 Kg6 35.hg5 fg5 36.g4 hg4 37.Bg4 Qd7 38.Rh1 Bc8 39.Be2 Qe7 40.Bd3 Qg7 41.Kf1 Kf6 42.Ke2 g4 43.Rh5 Qg6 44.Rh8 Be6 45.Rf8 Kg5 46.Qb1 Qh6 47.Rf5 Bf5+= 48.Bf5 Qf6 49.Bc2?? Qf3=+ 50.Ke1 g3 51.fg3 Bg3 52.Kd2+= Qf2 53.Kc1?? Qe3-+ 54.Kb2 Be1 55.Qc1? Qc1 56.Kc1 Bc3 57.Bd3 Bd4 58.Kc2 Bc5 59.Kc3 Kf6 60.Be2 Ke5 61.Bh5 d4 62.Kd3 Kd6 63.Bf3 Bb6 64.Bg2 c5 65.Bf3 Ke5 66.Bc6 c4 (66...c4 67.Kd2 b4-+) 0–1. orangutandu – alexandu, kurnik, 2012.

6.Nd2 Nc6 7.e3 a6 8.Ne2 Na7 9.g3 Nb5 10.a4 Na7 11.Bg2 1–0. orangutandu – ht1964, kurnik, 2012.

6.Nd2 f5 7.e3 d6 8.g3 c5 9.a3 Nc6 10.Bg2 cd4 11.cd4 d5 12.Ne2 Be6 13.h4 h5 14.Qb3 b6 15.0-0 Ne7 16.a4 Nc8 17.Nf4 Ne7 18.b5 Qd6 19.Rfc1 Rfc8 20.Qb2 Bf8 21.Rc8 Rc8 22.a5 Rc7 23.ab6 ab6 24.Nb1 Bh6 25.Na3 Bf4+= 26.gf4 Ra7 27.Nc2 Ra1 28.Qa1 Qc7 29.Nb4 Bd7 30.Qa8 Kg7 31.Nd5 Bb5?? 32.Nc7 (32.Nc7 Bd7 33.Qd8+-) 1–0. orangutandu – ancu, kurnik, 2012.

6.Nd2 f5 7.e3 Re8 8.g3 d6 9.Bg2 Nd7 10.Ne2 c5 11.a3 Rb8 12.0-0 b6 13.h4 h5 14.Qb3 Bb7 15.Bb7 Rb7 16.Qd5 Qc7 17.Nf4 Nf6 18.Qb3 Kh7 19.Rac1 Qd7 20.Nd5 Ne4 21.Ne4 fe4 22.Kh2 Qg4 23.Qd1 Qe6+= 24.Nf4 Qd7 25.dc5 dc5 26.Qc2 Qe7 27.Rfd1 Be5 28.Qe4+/- f5 29.Qf3 Rd7 30.bc5 bc5 31.Rd7 Qd7+/- 32.Rd1 Qa4? 33.Qd5 Bf4?? 34.gf4 Re7 35.Qc5 Rb7 36.Rd8 Qe4?? 37.Qf8 Rb1 38.Qh8# 1–0. orangutandu – tkpp, kurnik, 2011.

6.e3 b6 7.Bd3 Bb7 8.Nf3 Nc6 9.Nbd2 f5 10.Qc2 g5? (better 10...Re8!?+=) 11.0-0-0 (11.Bf5 h5 12.b5 Nb8+-) 11...g4+/- 12.Ng1 (12.Ne1 Ne7+/-) 12...Ne7 (12...a5 13.b5 Na7 14.h3+/-) 13.h3+/- gh3 14.Rh3 h6 15.Rg3 (15.Ngf3 c5 16.dc5 bc5 17.bc5 Rb8+/-) 15...Ng6 (better 15...c5!? 16.dc5 bc5 17.bc5 Rc8+/-) 16.Bf5+- Qf6 17.Bg6 (better 17.Ngf3!?+-) 17...fg6+/- 18.f3 (18.Ngf3 g5+/-) 18...g5 19.Qb3 Kh8 20.Ne2 a5 21.b5 a4 22.Qc4 (22.Qb2 c5+/-) 22...c6+= 23.Ne4 (23.f4 cb5 A) 24.Qb5?! Ba6 25.fg5 Qf7 (worse 25...Bb5 26.gf6 Bf6 27.Nf4+/-) 26.gh6 Bf6=; B) 24.Qc7+/-) 23...cb5? (23...Qe7 24.Qb4 Qe6+/-) 24.Nf6+- bc4 25.Nd7 Rf7 (25...Rfe8 26.Nb6 Ra6 27.Nc4+-) 26.Nb6 Rb8 (26...Ra6 27.Nc4 Bd5+-) 27.Nc4?? (27.Na4 Ra8 28.Nb6 Ra2+-) 27...Bd5?? (better 27...Ba6 28.Nb2 Be2=) 28.Nd6+- Rfb7? (28...Rc7 29.e4 Ba2 30.Kd2+-) 29.Kd2 (better 29.Nb7 Rb7 30.Rd2 Bc4+-) 29...Ba2? (29...Rb2 30.Ke1+-) 30.Ra1 (better 30.Nb7 Rb7 31.Ra1 Rb2 32.Ke1+-) 30...Rb2+= 31.Kd3 Bb3?? (better 31...Bb1 32.Rb1 Rb1 33.Nf7 Kg8 34.Ng5 a3-+ (34...hg5?! 35.Rg5 Ra8 36.Kc2-+)) 32.Nc1 (better 32.e4+-) 32...Rb4?? (better 32...Bc2 33.Kd2 Bb3 34.Ke1 Rc2+-) 33.Nb3 (better 33.cb4 Bf8 34.Ne4 Bb4 35.Nb3 Rb3 36.Kc4 Bf8+-) 33...R4b3 (33...R2b3 34.Ne4 Rb1+-) 34.Ra4 Rf2 (34...Rb1 35.e4+-) 35.Ra8 Kh7 36.Nf5 (36.Ra7 Kg6+-) 36…Rc3 (36...Rc3 37.Kc3 Kg6+-). Gehaktbalmetjus (2015) - Bianca_McLean (2065), Rated Bullet game, lichess.org, 2020.

6.e3 c5 7.bc5 Nc6 8.Bd3 a6 9.Qc2 d5 (9...d6 10.cd6 Qd6 11.Nd2+/-) 10.Nd2 Re8 11.Ngf3 Bg4 12.0-0 Rc8 13.h3 Be6 14.e4 (14.Rfb1 Rc7+-) 14...de4 15.Ne4 b6? (15...Bf8+/-) 16.cb6?? (better 16.Nd6!? bc5 17.Ne8 Qe8 18.Ba6 Rc7+-) 16...Qb6? (16...Nb4 17.Qd2 (worse 17.cb4 Rc2 18.Bc2 Qb6=+) 17...Nd3 18.b7+/- (18.Qd3?! Bc4 19.Qb1 Bf1 20.Kf1 Rb8=+)) 17.Nc5 (17.Rfb1 Qd8 18.Ba6 Rc7+-) 17...Bd5 (better 17...Ne5 18.Nd2 Nd3 19.Qd3 Bf5+/-) 18.Be4?? (better 18.Ba6 Rc7 19.Rab1+-) 18...Be4 19.Ne4 Nd4 20.Nd4 Qd4 21.cd4 Rc2 22.Nd6 (22.Rfe1!? Rd8 23.Rec1-/+) 22...Rd8-/+ 23.Nb7 Rd7 (23...Rd4 24.Rfc1 Rb2 25.Nc5-/+) 24.Nc5 Rd4 25.Na6 (25.Rfc1 Re2 26.Re1 Re1 27.Re1 Bf8 28.Na6 Ra4=+) 25...Rc6 (better 25...Ra4!? 26.Nb8 f5-/+) 26.Nb8=+ Rc8 27.Rab1 Rdd8 28.Na6 f5 (28...Ra8 29.Rb6=+) 29.Rfc1 (29.Rfd1 Rd1 30.Rd1 Bf8=) 29...Rc1 (better 29...Ra8!? 30.Rc6 Rd2-/+) 30.Rc1= Rd2 31.Nb4 (31.Rc8!? Bf8 32.a4=) 31...Bd4=+ 32.Rf1 (32.Rc2 Bf2 33.Kf1 Rc2 34.Nc2 Bc5=+) 32...Kg7 33.Nc6 Bb6 34.Nb4 Bc5 35.a3 Bb4 36.ab4 Rb2 37.Re1 Rb4 38.g3 h5 39.Kg2 Kf6 40.h4 g5 Black prepares the advance f4 (40...f4!?-/+) 41.hg5=+ Kg5 42.Rh1 (42.Re5 h4=+) 42...f6 (42...f4 43.Rd1-/+) 43.Rh3 (better 43.f4!? Kg6 44.Rd1=+) 43...f4-/+ 44.gf4 Rf4 45.Rg3 Rg4 46.f3?? (better 46.Kh3-+) 46...Rg3 47.Kg3 f5 (better 47...h4 48.Kh3 Kf4-+) 48.f4= Kg6 49.Kh4 Kh6 50.Kh3 Kg6 51.Kh4 Kh6 52.Kh3 Kg6 53.Kh4 ½-½. Gehaktbalmetjus (2045) - BrownSportsGuy (2075), Rated Bullet game, lichess.org, 2020.

6.e3 c6 7.Bd3 d5 8.Qc2 Nd7 (8...a5 9.Nf3=) 9.h4 (9.Nf3 Re8+=) 9...h5 10.Bg6?? (better 10.Nf3=) 10...fg6-+ 11.Qg6 Qe8 12.Qd3 Qe4 (12...f5 13.Ne2-+) 13.Qe4-/+ de4 14.Nd2 f5 15.Nh3 Nf6 16.Nf4 Bh6 17.Ng6 Rf7 18.Ne5 Re7 (18...Rg7 19.g3-+) 19.c4 Be6 20.Rc1 Nd7 21.Nd7 Rd7 22.a3 Kh7 23.g3 a5 24.b5 Rc8 (24...Bf8 25.Rc3-+) 25.Ke2 (25.bc6 bc6 26.Rb1 Bf8-/+) 25...cb5-+ 26.cb5 Rdc7 27.Rc7 Rc7 28.Rb1 (28.Ra1 Bf8-+) 28...Rc2 (better 28...Bf8!? 29.Ra1-+) 29.Kd1 Ra2 30.Rb3?? (better 30.Rc1-+) 30...Bf8 (better 30...Rd2 31.Kd2 Bb3 32.Kc1-+) 31.Rc3 Ba3 32.Nb1 (32.Rc2 Rc2 33.Kc2 Bb4-+) 32...Ra1 (better 32...Bb4!? 33.Rc7 Kg6 34.Kc1-+) 33.Kc2 (33.Ra3 Rb1 34.Kc2 Rb5-+) 33...Bd6 34.Kb2 (34.Nd2 a4-+) 34...Ra4 (better 34...Ra2 35.Kc1 Rf2 36.b6-+) 35.b6 (35.Na3 Ba3 36.Ra3 Rb4 37.Kc3 Rb5-+) 35…Rb4 (35...Rb4 36.Ka1 Rb6-+) 0-1. Gehaktbalmetjus (2110) - Lubji (2060), Rated Bullet game, lichess.org, 2020.

6.e3 d5 7.Bd3 c6 8.Qc2 f5 9.Ne2 Re8 10.h4 (10.0-0 a5+=) 10...Nd7 11.h5 Nf6 12.hg6 fg6 13.Nd2 a5 14.b5 a4 15.a3 (15.Rb1 Ne4+=) 15...Bd7 16.bc6 bc6 17.0-0-0 (better 17.c4!?=) 17...Qe7 (better 17...Ng4 18.Rdf1 Qe7-/+) 18.Nf4? (better 18.Nb1=+) 18...Qa3-+ 19.Qb2 Qe7 20.Kc2 Reb8 21.Qa2 a3 (21...g5 22.Nh5-+) 22.Rb1 c5 (better 22...g5 23.Nh5 Ng4-+) 23.dc5?? (better 23.Nd5 Nd5 24.Bc4=) 23...Ba4-+ 24.Kc1 (24.Nb3 Ng4 25.Kd2 Nf2 26.Nd5-+) 24...Qc5 25.c4 (25.Bc2 Qc3 26.Rb8 Rb8-+) 25...Ne4 26.Ne4 de4 (worse 26...fe4 27.Kd2 ed3 28.Nd3 Qc4 29.Qc4 dc4 30.Nb4-+) 27.Ne6 (27.Kd2 Bb2 28.Nd5 ed3 29.Nf6 Bf6 30.Rhf1-+) 27...Qa5 28.Ng7 (28.Nd4 ed3 29.Nb5 Rc8-+) 28...Qc3 (28...ed3 29.Qd2 Rb1 30.Kb1 Qd2 31.Rh7 Qb2) 29.Bc2 Rb2 (29...Kg7 30.Rb5 Rb5 31.cb5 Rc8-+) 30.Rb2= ab2 31.Qb2 Qb2 (31...Qc4!? 32.Ne6 Qe6 33.Ba4 Ra4 34.Qb8 Kg7 35.Qb2 Kf8 36.Qh8 Qg8 37.Qf6 Qf7 38.Qh8 Qg8 39.Qf6 Qf7 40.Qh8 Qg8=) 32.Kb2+= Bc2 33.Kc2 Kg7 34.Rb1 Ra2 35.Kc3 (35.Rb2 Ra3=) 35...Rf2 36.c5 Ra2 (better 36...Kf6!? 37.c6 Ke7= (37...Rg2?? 38.c7 Re2 39.c8Q Re3 40.Kc4+-)) 37.c6+= Ra8 (37...Rg2 38.c7 Ra2 39.c8Q Ra3 40.Kc4+-) 38.Rb7 Kf6 39.Kc4 Rc8 40.Kc5 g5 (40...f4!? 41.c7 fe3+=) 41.Rh7 1-0. Gehaktbalmetjus (2010) - Fralle (2150), Rated Bullet game, lichess.org, 2020.

6.e3 d6 7.Bd3 c5 8.a3 b6 (8...Be6 9.bc5 dc5 10.Ne2=) 9.Nf3 Qc7 10.Qc2 (10.Be4 Bb7 11.Bb7 Qb7+=) 10...Bb7 11.Nbd2 Nc6 12.0-0 cd4 (12...f5 13.b5 Ne7 14.Rab1+=) 13.cd4+/- Qd7 14.Rac1 Rac8 15.Qb1 Ne7 16.Ne4 (16.b5 f5+/-) 16...Qg4 (16...f5 17.Ned2+=) 17.Ned2 Rc1 (better 17...Qd7!?=) 18.Rc1+/- Rc8 19.Rc8 Qc8 20.Qc2 f5 21.Qc8 Bc8 22.Nb3 (22.Nc4!? Ba6 23.Bf1 Bc4 24.Bc4+/-) 22...Be6= 23.Nbd2 Kf8 (23...Bc8 24.Nc4 Ba6 25.Bf1+/-) 24.g3 (24.Nc4 d5 25.Ncd2 h6+=) 24...Ke8 25.Ng5 h6 26.Ne6 fe6 27.Bc4 d5 28.Bb5 Kd8 29.Nf3 Kc7 30.h4 Kd6 31.Nd2 (31.Kf1 a5=) 31...Nc6 32.Bc6 Kc6 33.a4 (33.Nb1 e5 34.de5 Be5=+) 33...a6 (33...b5 34.a5 Bf8 35.Nb3 Bb4 36.Kg2-+) 34.Nb1? (better 34.Nf3=+) 34...Bf8-+ 35.b5 ab5 36.ab5 Kb5 37.Nc3 (37.Kf1 Bb4 38.Ke2 Kc4-+) 37...Kc4 38.Ne2 b5 39.Nf4 (39.Kf1-+) 39...b4 40.Ne6 b3 41.Nf8 b2 (41...g5!? 42.hg5 hg5 43.Ne6-+) 42.Ng6 b1Q 43.Kg2 f4! 44.Nf4 (44.ef4 Qe4 Double attack (44...Qg6 Discovered attack; 44...Kd4 Deflection); 44.gf4 Qe4 Double attack (44...Qg6 Discovered attack); 44.Nf4 Qe4 Pinning) 44...Qe4 45.Kh2 Kb3 (45...Kb4!? 46.Kg1-+) 46.Kg1 Qf3 (better 46...Kc2 47.Nh3 Kd2-+) 47.Kf1 (47.Ne6 Kc3-+) 47...Kc2 (better 47...Qh1 48.Ke2 Kc2-+) 48.Ng2 (48.Kg1-+) 48...Kd2 (48...Qd1 49.Ne1 Kd2 50.h5 Qe1 51.Kg2 Ke2 52.f4 Qf1 53.Kh2 Kf3 54.e4 Qg2) 49.Ne1 (49.Kg1 Qd1 50.Ne1 Qe1 51.Kh2 Ke2 52.h5 Qf2 53.Kh3 Kf3 54.e4 Qg3) 49…Qe2 (49...Qe2 50.Kg2 Ke1 51.h5 Qf2 52.Kh3 Qf3 53.Kh4 Kf2 54.e4 Qg3; 49...Qh1) 0-1. Gehaktbalmetjus (2055) - luffypiratesking (2060), Rated Bullet game, lichess.org, 2020.

6.e3 d6 7.Bd3 c5 8.b5 cd4 9.cd4 Qa5 (9...a6 10.Qd2=) 10.Nd2 (10.Qd2 Qb6+=) 10...Nd7 (10...a6 11.a4=) 11.Ne2 Nb6 12.Qb1 (12.0-0 Be6+=) 12...Nd5 13.h4 (better 13.a3+=) 13...Nc3 (13...Be6 14.h5=) 14.Nc3 (better 14.Nc4!? Nb1 15.Na5+/-) 14...Qc3= 15.a4 Bg4 16.Ra2 Rac8 17.f3 (better 17.0-0!?=) 17...Be6-/+ 18.Ke2 (better 18.Ra1!?-/+) 18...Ba2-+ 19.Qa2 f5 (19...Rfe8 20.h5 f5 21.hg6 hg6 22.d5-+) 20.h5 (better 20.Nb1 Qc7 21.h5-+) 20...f4! 21.Ne4 (21.ef4 Qd4 Deflection) 21...Qc7 22.Qd5 fe3 23.Ke3 Rce8 24.Re1 (24.hg6 hg6 25.g3 Qc3-+) 24...Kh8 25.Kf2 f5 (better 25...Qa5 26.Be2 Qa4-+) 26.Ng5?? (26.Nd6 Re1 27.Ke1 Qc3 28.Ke2 Qb2 29.Kd1 Qg2 30.Nf7 Rf7 31.Qf7 Qf3 32.Kc2 Qf2 33.Kb3=) 26...Re1-+ 27.Ke1 Qe7 (27...Qc1 28.Ke2 Qg5 29.hg6 Re8 30.Kd1-+) 28.Kf2?? (better 28.Ne6-+) 28...Qg5 29.hg6 Qg6 (better 29...Qd2 30.Kg1 Qd3 31.Kh2 Be5 32.Kh3-+) 30.Qd6 (30.Qc4-+) 30…Re8 (30...Re8 31.Qd7 Qh5-+) 0-1. Gehaktbalmetjus (1975) - kapilstund (2000), Rated Bullet game, lichess.org, 2020.

6.e3 d6 7.Bd3 Nc6 8.Qc2 f5 9.Nf3 Be6 10.0-0 a5 11.b5 Ne7 12.a4 b6 13.c4 d5 14.Nbd2 dc4 15.Bc4 Bc4 16.Nc4 Qd5 17.Nce5 Be5 18.Ne5 f6 19.Nc6 (19.Nd3!? Rfc8 20.Rac1+/-) 19...Nc6+= 20.bc6 f4 21.Rfc1 (21.ef4!? Rae8 22.f5 gf5 23.Rae1=) 21...fe3=+ 22.fe3 Rfe8 23.Ra3 Re4 24.Qc4 Qc4 25.Rc4 Rae8 26.Rcc3 f5 27.g3 g5 28.Kf2 h5 29.Kf3 g4 30.Kf2 h4 (30...Kf7 31.Rab3=+) 31.Rd3 (better 31.gh4!? Rf8 32.Kg3=) 31...h3 32.Rac3 R8e6 33.d5 (better 33.Rd1!?=+) 33...Rd6-+ 34.Rd4 Rd4 35.ed4 Rd5 36.Ke3 b5 (36...Kf7 37.Kd3 Ke6 38.Kc4-+) 37.ab5 Rb5 38.Kf4 a4 (38...Kf7!? 39.Re3-+) 39.Rc4-/+ Ra5 40.Rc3? (better 40.d5 Rd5 41.Ra4-/+) 40...a3-+ 41.Rc1 a2 42.Ra1 Kf7 43.Ke3 (43.Kg5 Ke6-+) 43...Ke6 (43...Ra3!? 44.Kd2-+) 44.Kd3 Kd5 45.Kc3 Kc6 (better 45...Ra6!? 46.Kd3-+) 46.Kc4 Ra7 47.d5 Kd6 48.Kd4 Ra4 49.Ke3 (49.Kc3 Kd5 50.Kb3 Ra5-+) 49...Kd5 50.Rd1 Ke5 51.Ra1 c5 52.Kd3 Ra3 53.Kc2 (53.Kc4 Ke4 54.Kc5 Rc3 55.Kb4 Rc2-+) 53...Ke4 (better 53...Rf3!? 54.Re1 Kd4 55.Kb2 Rf2 56.Ka1 Rh2 57.Re4 Kd3 58.Rf4 Rh1 59.Ka2-+) 54.Kb2 Ra5 (better 54...Re3 55.Ka2 Re2 56.Kb3 Rh2-+) 55.Ra2 (55.Re1 Kd3 56.Ka1-+) 55...Ra2 56.Ka2 Kf3 57.Kb2 Plans Kg2 57...Kg2 58.Kc3 Kh2 59.Kc4 Kg3 (59...Kg3 60.Kc5 h2 61.Kd4 f4 62.Ke5 f3 63.Kf6 f2 64.Ke5 f1Q 65.Kd4 Qf4 66.Kd5 h1Q 67.Kc5 Qhc1 68.Kb5 Qcc4 69.Kb6 Qfc7) 0-1. Gehaktbalmetjus (2045) - RolfNerstheimer (2160), Rated Bullet game, lichess.org, 2020.

6.e3 d6 7.Bd3 Bd7 8.Ne2 Nc6 9.Nd2 Ne7 10.Qc2 Nd5 11.h4 b6 (11...a5 12.b5+=) 12.h5+/- c5 13.hg6 fg6?? (better 13...hg6 14.Bc4 Ne7+/-) 14.Bg6 (better 14.Bc4 Be6 15.Qb3+-) 14...hg6= 15.Qg6 Qe8 (better 15...Rf7!?=) 16.Qh7+/- Kf7 17.dc5?? (better 17.Qh5 Ke6 18.e4 Qh5 19.ed5 (worse 19.Rh5 Nc7=+) 19...Qd5 20.Nf4 Kf7 21.Nd5 Rae8 22.Ne3 cd4 23.cd4=) 17...Rh8-+ (17...dc5?! 18.Ne4 Qe6 19.bc5 bc5 20.Nc5+=) 18.Qh8 Bh8 19.cd6 (19.Nc4 Kg7 20.Rd1 Qe6 21.Nd6 bc5-+) 19...Bf5 (better 19...Rc8 20.Rc1 f5 21.Nb1-+) 20.Nd4?? (better 20.Rh5 Kg6 21.g4 Ne3 22.fe3 Bg4 23.Rh4-+) 20...Bg6 (20...Ne3 21.fe3 Qe3 22.Kd1 Qc3 23.N2b3 Bg4 24.Nf3 Bf3 25.gf3 Qf3 26.Kd2 Qd5 27.Kc2 Rc8 28.Kb2 f5 29.Rh8 Rh8 30.Ka3-+) 21.Nc4 (21.Ne2 f5 22.Rc1 Ke6-+) 21...Rc8 (better 21...Qc8 22.Nd2 Qc3 23.N4b3 Nb4 24.0-0-+) 22.Nd2 Nc3 (better 22...Ne3 23.fe3 Qe3 24.Ne2-+) 23.Rh8 (23.N2f3-+) 23...Qh8 24.d7 Rd8 25.Nc4 (25.Nf1 Rd7 26.f3 Qh1-+) 25...Rd7 (25...Qh1 26.Kd2 Ne4 27.Ke2 Qa1 28.Nd6 Nd6 29.Nc6 Qa2 30.Kf3 Be4 31.Kg3 Rg8 32.Kh2 Rg2 33.Kh3 Qe6 34.Kh4 Qg4) 26.Rc1 Na2 (26...Qh1 27.Kd2 Ne4 28.Kc2 Nf2 29.Kd2 Ne4 30.Kc2 Nd6 31.Kb2 Nc4 32.Rc4 Qb1 33.Ka3 Qd3 34.Nb3 Qc4 35.e4 Rd3 36.g3 b5 37.Kb2 Qc3 38.Kb1 Rd1 39.Nc1 Rc1) 27.Ra1 Nb4 (27...Qh1 28.Kd2 Qa1 29.Ke2 Nc3 30.Kf3 Bh5 31.Kf4 Rd4 32.ed4 Ne2 33.Ke4 Qd4 34.Kf5 Bg6) 28.Ra7 Ra7 29.Nd6 Ke7 30.N6f5 Bf5 31.Nf5 Ke6 (31...Ke6 32.Ng7 Qg7 33.g4 Ra1 34.Kd2 Qd7 35.Kc3 Rb1 36.g5 Qd3) 0-1. Gehaktbalmetjus (2035) - beecharmer (2105), Rated Bullet game, lichess.org, 2020.

6.e3 d6 7.Bd3 Nd7 8.Qc2 Nb6 9.Nd2 Nd5 10.0-0-0 (10.Ne2!?+=) 10...a5= 11.b5 c6 12.a4 (12.e4 Nf4=) 12...cb5=+ 13.Bb5 Bd7 14.Qb3 (14.Ne2=+) 14...Nb6 (better 14...Bb5!? 15.ab5 Nc3 16.Qc3 Rc8-+) 15.c4 Rc8 16.Kb1 Qc7 17.Ngf3 Nc4?? (17...Bb5 18.cb5 Qd7 19.Rc1=) 18.Nc4?? (better 18.Bc4 Bf5 19.Bd3+-) 18...Bb5=+ 19.Qb5 Qc4 20.Qc4 Rc4 21.Rd2 Rb4 (21...Ra4 22.Rb2-/+) 22.Rb2=+ Ra4 23.Rb7 f5 24.Rc1 f4 25.Rcc7 (25.ef4 Rb4 Double attack (25...Bd4 Deflection)) 25...fe3 26.fe3 Ra3 27.e4 a4 28.e5 (28.Rd7 Re3=+) 28...de5-/+ 29.de5 Re3 30.Ra7 Be5 31.Re7? (31.Rcb7 Rd8 32.Ra4 Re2-+) 31...Bf4 (better 31...Rb8 32.Rab7 Rb7 33.Rb7 f6-+) 32.Re3-/+ Be3 33.Ra4 Bf4?? (33...Re8 34.Kc2-/+) 34.Re4?? (better 34.Rf4!? f5 35.Rd4+-) 34...Bh2?? (better 34...Bd6-/+) 35.Rh4?? (better 35.Nh2 f5 36.Re7+/-) 35...Bb8 36.g4 Bf4 37.g5 Be3 38.Re4 Bg5! 39.Ng5 f6 40.Nf3 Rf7 41.Re7?? (41.Kc2 g5-/+) 41...Kg7 (better 41...Re7 42.Kc2 g5-+) 42.Rf7? (better 42.Re4-+) 42...Kf7 43.Nd4 f5 44.Kc2 f4 (better 44...Kf6-+) 45.Kd3-/+ Kf6 46.Ke4 g5 47.Kf3. Gehaktbalmetjus (2110) - six4warrior (2090), Rated Bullet game, lichess.org, 2020.

6.e3 Re8 7.Bd3 d5 8.Qc2 b6 9.Ne2 c5 10.bc5 bc5 11.Nf4 (11.dc5 Qc7=) 11...c4 12.Be2 Bb7 (12...Bf5 13.Qa4 Bd7 14.Qd1=) 13.0-0 g5 (13...Bh6 14.Bf3=) 14.Nh5+= Nd7 15.Nd2 a5 16.Qf5 Bc8? (16...Nb6 17.Qf3+/-) 17.Qf3?? (better 17.Qd5 Nb6 18.Qd8 Rd8 19.Nc4+-) 17...Nb6+/- 18.h4 (18.Rab1 Be6+/-) 18...g4 19.Qf4 (19.Qg3 f5+=) 19...f5= 20.Ng7 Kg7 21.g3 (21.h5 Qh4=) 21...Qf6 22.Rab1 Nd7 23.Rb5 a4? (23...Nb6!?+=) 24.Rfb1 (24.Rd5 Nb6 25.Rc5 Be6+-) 24...Nf8 (24...Qe6+/-) 25.Rb6 (better 25.Rd5 Ng6 26.Qc7+-) 25...Be6 26.Qg5 (26.a3!?+=) 26...Qg5= 27.hg5 Ng6 (27...Nd7 28.R6b5=) 28.f3 (28.Bd1 Ne7+=) 28...gf3 (28...f4 29.gf4 Bd7 30.Rd6 (worse 30.fg4 Re3 31.Bc4 dc4-/+) 30...Re3 31.Bc4 dc4 32.Rd7 Rc3 33.Rbb7=+) 29.Nf3 (29.Bf3 Ne7+=) 29...Rad8 (29...f4!? 30.gf4 Bf5=+) 30.Nh4 Nh4 31.gh4 h6?? (better 31...f4 32.ef4 Bf5=) 32.gh6+- Kh6 33.Kf2 Rg8 34.Rg1 (34.Bf3 Rh8+-) 34...Rg1 (34...Rb8 35.Rg8 Rb6 36.Ra8+/-) 35.Kg1 Rg8 36.Kf2 Rg6 37.Bf3 Bd7 38.Rg6 fg6 39.Kg3 Be6? (better 39...Bc6 40.Kf4 a3+-) 40.Kf4 g5 (40...Bd7+-) 41.hg5 Kg6 42.Bd1 (42.Ke5 Bc8+-) 42...Kf7 (42...Bd7+-) 43.Ba4 Kg6 (43...Bc8 44.a3+-) 44.Bc6 Bf7 (44...Kf7+-) 45.a4 Be6 46.a5 Bc8 47.Bb5 (better 47.Bd5 Ba6 48.e4 fe4 49.Be4 Kf7 50.g6 Kf6+-) 47...Kf7 48.a6 Ke7 49.a7 (better 49.Ke5+-) 49...Ba6 (49...Bb7 50.Ke5 Ba8+-) 50.Ba6 Kd6 (50...Kd8 51.a8Q Ke7 52.Qb7 Ke8 53.g6 Kd8 54.g7 Ke8 55.g8Q) 51.a8Q Kc7 (51...Ke7 52.Qb7 Ke8 53.g6 Kd8 54.g7 Ke8 55.g8Q) 52.Qd8! Kd8 53.Bb5 Kc7 54.Bc4! Kb6 (54...dc4 55.g6 Passed pawn) 55.Kf5 dc4 56.e4 Kb5 57.e5 Ka4 58.e6 Kb3 59.e7 Kc3 60.e8Q Kd4 (60...Kb2 61.Qe2 Kc3 62.g6 Kb3 63.g7 Ka4 64.Qc4 Ka5 65.g8Q Kb6 66.Qc5 Kb7 67.Qgc8) 61.Qc8 (61.Qe5 Kd3 62.g6 Kd2 63.g7 Kc2 64.Qe2 Kb3 65.g8Q Ka3 66.Qb8 c3 67.Qa6) 61...Kc3 62.Qc4! Kc4 63.g6 Kc5 64.g7 Kd4 65.g8Q Ke3 (65...Kc5 66.Qd8 Kb4 67.Qb6 Kc3 68.Ke4 Kc2 69.Qe3 Kb1 70.Qd2 Ka1 71.Kd4 Kb1 72.Kc3 Ka1 73.Qb2) ½-½. Gehaktbalmetjus (2040) - Nortalf (2030), Rated Bullet game, lichess.org, 2020.

6.e3 Re8 7.Bd3 d6 8.Ne2 b6 9.0-0 Bb7 10.Qc2 a5 11.b5 Nd7 12.a4 c5 13.Nd2 (13.bc6 Bc6 14.Na3 f5+=) 13...cd4 14.ed4 (14.cd4 f5+=) 14...Rc8 15.Nf3 (better 15.Be4!? Be4 16.Ne4=) 15...Bf3=+ 16.gf3 f5 17.Nf4? (better 17.Qb3-/+) 17...Qg5-+ 18.Ng2 h5?? (better 18...Bd4 19.Ra3 Nf6-+) 19.Qc1 Qf6 20.Qd2 h4 21.f4 (better 21.h3!?=+) 21...h3-/+ 22.Ne1 Qh4 23.Kh1 (23.Be2 Nf6 24.Bf3 Bh6-+) 23...Bh6 (23...Nf6!? 24.Rg1 Nd5 25.Rg3-+) 24.Rg1 Bf4 (24...Qf4?! 25.Qf4 Bf4 26.Bf5=+) 25.Qd1?? (better 25.Qc2 Qh5 26.Qd1 Qd1 27.Rd1-+) 25...Qf2-+ 26.Qf3 (26.Ng2 Bh6 27.Qf1 hg2 28.Rg2 Qf1 29.Rf1 Rc3 30.Bf5-+) 26…Qh2 0-1. Gehaktbalmetjus (2035) - drumy (2045), Rated Bullet game, lichess.org, 2020.

6.e3 f5 7.Bd3 d5 8.Qc2 Be6 9.Ne2 c6 10.0-0 Nd7 11.Nd2 Nf6 12.a4 Ne4 13.a5 b6 14.ab6 ab6 15.Ra8 Qa8 16.Ne4?? (better 16.Nb3+=) 16...fe4-+ 17.Be4 de4 18.Qe4 Bd5 (18...Bc4 19.Qc2-+) 19.Qh4? (19.Qc2 c5! 20.Nf4 Be4-/+) 19...c5! 20.bc5? (20.bc5 Bg2 Combination; 20.dc5 Bg2 Combination) 20...bc5 (better 20...Bg2!? 21.Re1 bc5-+) 21.Nf4-/+ cd4 22.Nd5 Qd5 23.cd4 g5 24.Qg4 h6 25.Qf3 Qe6 (25...Qf3 26.gf3 f5 27.Rb1-/+) 26.h3 f5 27.g3 (27.Rc1 Rb8-/+) 27...Qe4 (27...f4 28.gf4 gf4 29.d5 Qg6 30.Qg4-+) 28.Qe4 fe4 29.Rc1 Rb8 30.Rc5 Rb1 31.Kg2 Rb2 (31...Bf6 32.Rc7-/+) 32.Rc7 (32.Rc8 Bf8 33.Re8 Kf7 34.Re4 Bb4=) 32...Rd2 (better 32...Bf8!?-/+) 33.Re7= Kf8 34.Re4 Rc2 35.Re6 Rc7 (35...Rd2 36.Rc6+=) 36.Rd6 Re7 37.Rb6 Rf7 38.Rb2 Bf6 39.Rb8 Kg7 40.Rb5 Re7 41.h4 (41.Kf3!?+=) 41...gh4=+ 42.gh4 (42.g4 Rc7=) 42...Bh4 43.Rh5 Bg5 44.Rh3 Kg6 45.Rf3 (45.f4 Bf6=) 45...Rf7 (45...h5 46.Rg3 Kf5 47.Rh3=+) 46.Rg3 (better 46.Rf7 Kf7 47.f4=) 46...Rf6?? (better 46...Kh7=+) 47.f4+/- Kf5? (better 47...Rd6+/-) 48.fg5+- hg5 (48...Rg6 49.gh6 Rh6+-) 49.Rf3 Ke4 (49...Ke6 50.Rf6 Kf6 51.Kf3+-) 50.Rf6 Ke3 (50...Kd5+-) 51.d5 Ke4 (51...Kd3 52.d6 Kc3 53.d7 Kc2 54.d8Q Kc3 55.Qc8 Kd2 56.Rd6 Ke3 57.Qe6 Kf4 58.Rd4) 52.Rg6 (52.d6 Kd5 53.d7 Kd4 54.d8Q Kc5 55.Qc8 Kd5 56.Qd7 Ke4 57.Re6 Kf4 58.Qd4 Kf5 59.Qe4) 52…Kf5 (52...Kf5 53.Rh6 g4 54.d6 Ke5 55.d7 Kd4 56.d8Q Kc5 57.Qc7 Kd4 58.Qd7 Ke5 59.Re6 Kf4 60.Qd5 g3 61.Re4). Gehaktbalmetjus (2080) - Baba_Dla_Bokr (2080), Rated Bullet game, lichess.org, 2020.

6.e3 f5 7.Bd3 d5 8.Ne2 c6 9.Nd2 Be6 10.Qc2 Nd7 11.h4 (11.0-0 Re8+=) 11...Nf6= 12.h5 (12.Rb1!?=) 12...Nh5=+ 13.Rh5 gh5 14.Bf5 Bf5 15.Qf5 h4 16.Nf4 Qf6 17.Qh5 Rfe8 18.0-0-0 a5 19.Rh1? (better 19.b5-/+) 19...ab4-+ 20.Rh4 (20.cb4 Ra2 21.Rh4 h6-+) 20...bc3 21.Qh7 Kf8 22.Nb3 (22.Nb1 Ra2 23.Nc3 Rf2-+) 22...Ra2 23.Nc5 Ke7 24.Nh5 (24.Rh5 Rh8 25.Qb1-+) 24...Qh4 (24...Ra1 25.Kc2 Qf2 26.Kc3 Qe1 27.Kb3 Ra3 28.Ka3 Qc3 29.Ka2 Ra8 30.Na6 Ra6 31.Kb1 Ra1) 25.Kb1 (25.Qd3 Qf2 26.Nb3 c2 27.Qe2 Qe2 28.Ng7 Qe1) 25...Rea8 (25...Rb2 26.Ka1 Ra8 27.Na6 Ra6) 26.Ng7 (26.Na4 R8a4 27.Nf6 Rb2 28.Kc1 Ra1 29.Qb1 Rab1) 26...Qh7 (26...Rb2 27.Kc1 Ra1 28.Qb1 Rab1) 27.Nf5 Qf5 28.Kc1 (28.e4 c2 29.Kc1 Qf4) 28…Qc2 0-1. Gehaktbalmetjus (2085) - jassal (2105), Rated Bullet game, lichess.org, 2020.

6.e3 f5 7.Bd3 d6 8.Qc2 b6 (8...f4 9.Nf3=) 9.Ne2 c5 10.bc5 dc5 11.Nd2 Bb7 12.Ng3 (better 12.0-0!?=) 12...Bg2-/+ 13.Rg1 Bb7 (13...Bh3 14.Ne2-/+) 14.Bf5= Nc6 (worse 14...gf5 15.Nf5 Kh8 16.Rg7+- (worse 16.Ng7 Rg8-/+); 14...cd4?! 15.cd4 Nc6 16.Rc1=) 15.h4 (15.Rd1 A) worse 15...gf5 16.Nf5 Kh8 17.Rg7+/- (worse 17.Ng7 Rg8-/+); B) 15...cd4?! 16.cd4 Re8 17.Kf1=+; C) 15...Kh8 16.Bd3 cd4 17.cd4 Nb4=+) 15...Re8 (15...cd4 16.cd4 Nd4 (16...gf5 17.Nf5 Ne7 18.Rg7 Kh8 19.Rg5+/-) 17.ed4 A) 17...gf5? 18.Nf5 Kh8 19.Rg7+- (19.Ng7 Qd4 20.Rc1 Rac8-+); B) 17...Qd4-+) 16.h5? (better 16.dc5 Nb4 17.Qb3 Qh4 18.Qb4 Qb4 19.cb4 Ba1 20.Be4 Be4 21.Nge4-+) 16...cd4-+ (16...gf5 17.Nf5 Kh8 18.Rg7 (18.Ng7?! Rg8 19.h6 cd4 20.cd4 Qd6=) 18...cd4 19.Rf7 (worse 19.cd4 Nd4 20.Rh7 Kh7 21.Nd4 Kg8-/+) 19...de3 20.Ne3 (worse 20.Rb7 ed2 21.Kf1 Qg5-/+; 20.fe3?! Ne5 21.Rb7 Qd5+=) 20...Re3 21.fe3 Qh4 22.Kf1 Qh1 23.Kf2 Qh4 24.Kf1 Qh1 25.Kf2 Qh4 26.Kf1=) 17.hg6 fg6 18.cd4? (18.Be4 dc3 19.Nf3-+) 18...Nd4 (18...gf5?! 19.Nf5 Re7 20.Qc3=+) 19.Qc4 (19.Qb1 Nf5 20.Nf5 gf5 21.Qf5 Qd4 22.Rg7 Qg7-+) 19...Bd5 20.Qd4 (20.Qc1 Nf5 21.Nf5 gf5 22.Qc3-+) 20...Bd4 (20...gf5 21.Nf5 Kf7 22.Rg7 Ke6 23.Qf4 Ba2 24.Nf3 Qd1 25.Rd1 Kf6 26.Rd6 Be6 27.Qg5) 21.Rd1 Bc3 22.e4 (22.Ne2 Bb4 23.Rg4 a5-+) 22...gf5 23.Nf5 Kh8 24.Rg3 Be4 25.Kf1 Bf5 26.Nf3 Qd1 27.Kg2 Rg8 (27...Rg8 28.Kh2 Rg3 29.Kg3 Rg8 30.Ng5 Rg5 31.Kf4 Rg4 32.Kf5 Qd7; 27...Be4 28.a3 Rg8 29.Kh3 Qh1 30.Nh2 Bg2 31.Rg2 Qg2 32.Kh4 Qh2) 0-1. Gehaktbalmetjus (2055) - mauri1989 (2110), Rated Bullet game, lichess.org, 2020.

6.e4 d5 7.ed5 Qd5 (7...Re8 8.Be2=+) 8.Qf3 Qd6 (8...Re8 9.Be2 Be6 10.Nd2=+) 9.Bd3= Re8 (9...Bd7 10.Ne2= (10.Qb7?? Bc6 11.Qa8 Ba8-+)) 10.Ne2 Nc6 (10...Be6 11.Nd2=) 11.0-0 (11.Nd2 Be6+=) 11...f5 (11...Be6 12.Nf4+=) 12.Nd2 Be6 13.Nf4 (13.Nc4 Qd5 14.Qg3 Qd7+=) 13...Rad8 (13...Bh6!? 14.g3 Bf4 15.Qf4 Qf4 16.gf4 Ne7=+) 14.Ne6+= Re6 (14...fe6 15.Bb5+=) 15.Nc4 (15.Nb3 b6 16.Bc4+/-) 15...Qe7 (better is 15...Qd5!? 16.Qd5 Rd5+=) 16.Rfe1?? (better is 16.b5 Nd4 17.cd4 Rd4 18.Rad1+-) 16...Re1-+ (17.Re1 Qe1 18.Bf1 a6-+) 0-1. 73DADDELDU37 - romain63, mySchach.de, 2005.

6.e4 Re8 7.Nd2=+.

6.Nf3 Re8=.

6.h3 d6 7.Nf3 f5 8.e3 b6 9.Be2 Bb7 10.Nbd2 a5 11.a3 ab4 12.ab4 Ra1 13.Qa1 Nc6 14.0-0 Qd7 15.Nh2 Ra8 16.Qc1 Ne7 17.Bf3 d5 18.c4 c6 19.cd5 cd5 20.Re1 Ba6 21.Qb2 Rc8 22.Be2 Bb5 23.Bb5 Qb5 24.Ndf3 Nc6 25.Rb1 Bf8 26.Ne5 Ne5 27.de5 Qd3 28.Nf3= h6 29.Qd2?? Qb1-+ 30.Kh2 Qb4 31.Qd5 Bc5 32.e6 f6 33.e7 Kg7 34.Qd7 Bd6 35.g3 Bg3?? 36.Kg3+- f4 37.Kg2 Kf7 38.Qc8 Qe7+- 39.Qc4 Kg7 40.Qf4 b5 41.Nd4 b4 42.Qb8 h5 43.Qb5 Qd6?! 44.f3 h4 45.Qb7 Kh6 46.Qe4?? Qg3+= 47.Kf1 Qh3 48.Ke2 Qg2 49.Kd3 h3? 50.Qf4 Kg7+/- 51.Ne6 Kf7= 52.Ng5 (52.Ng5 Qg5 53.Qc7 Kg8 54.Qc8 Kg7 55.Qd7 Kh6 56.Qh3 Qh5 57.Qg3 Qd5 58.Kc2-+) 1–0. 55aa55 – gabrie2010, kurnik, 2012.

6.Nd2 d5

7.Nb3 c6 8.e3 Nd7 9.Be2 f5 10.Nf3 Nf6 11.0-0 Qc7 12.h3 f4 13.Qc1 fe3 14.Qe3 Ne4 15.Nbd2 Re8 16.Ne4 Re4 17.Qd3 Bf5 18.Qd2 Rae8 19.Bd3 R4e7 20.Bf5 gf5 21.Nh4 Re2 22.Qg5 R2e6 23.Nf5 Rg6 24.Qd2 Qd7 25.Ng3 Bh6 26.Qd3 Bf4 27.Nf5 Ree6 28.Rae1 Ref6? 29.Ne7+- (29.Ne7 Kg7 30.Ng6 fg6 31.Re2+-) 1–0. jackw171 – dobrodruch, kurnik, 2012.

7.e3 c6 8.Bd3 Nd7 9.Ne2 b5 10.h4 Nb6= 11.h5 f5 12.hg6 fg6 13.g3 a5 14.a3 a4 15.Nf4 Qf6 16.Qe2 Nc4 17.Bc4 dc4 18.Nf3 Be6? 19.0-0-0 Bd5+= 20.Nd5 cd5 21.Rh2 Rae8 22.Rdh1 h5 23.Ne5 Qe6 24.f4= Be5 25.de5 Re7 26.Qd1 Rd7 27.Qd4 Rff7 28.Rh4 Rh7 29.Kb2 Kf7 30.Rd1 Rh8 31.Qc5 Rb8 32.Rh2 Qb6 33.Rd5 Qc5 34.Rc5 Rbd8 35.Kc2 Rd3 36.Re2 R3d5 37.Rc7 R8d7 38.Rc6 Re7 39.Rf6 Kg7 40.Rd2 Rd2+= 41.Kd2 Rd7 42.Rd6 Rd6 43.ed6 Kf7 44.e4 fe4 45.Ke3 Ke6 46.Ke4 Kd6 47.Kd4 Ke6 48.Kc5 Kf5 49.Kb5 Kg4 50.Ka4 Kg3 51.b5 h4 52.b6 h3 53.b7 h2 54.b8Q h1Q 55.f5 Kg4 56.fg6 Qd1 57.Ka5 Qc1 58.Qb4 Qg5 59.Qb5 Qg6 60.Qc4 Kf3 61.a4 Qf5 62.Kb4 Qf8 63.Kb3 Qb8 64.Qb5 Qd6 65.a5 Qd1 66.Kb4 Qb1 67.Kc5 Qf5 68.Kb6 Qf6 69.Qc6 Qc6 70.Kc6 Ke3 71.a6 Kd3 72.a7 Kc3 73.a8Q Kd4 74.Qe8 Kc4 75.Qe4 Kc3 76.Kc5 Kd2 77.Kc4 Kc1 78.Qe2 Kb1 79.Kc3 Ka1 80.Qb2# 1–0. orangutandu – suren57 (1625), kurnik, 2012.

7.e3 c6 8.Bd3 Nd7 9.Ne2 f5 10.h4 Nf6= 11.Nf4 h5 12.g3 a5 13.a3 ab4 14.ab4 Ra1 15.Qa1 b5 16.0-0 Ne4 17.Nf3 Bb7 18.Be4 fe4+= 19.Ng5 Bh6 20.Ngh3 Bc8 21.Qa5 Qa5 22.ba5= Ba6 23.Rb1 Ra8 24.Ng5 Bf8 25.f3 ef3 26.Nf3 Bc8 27.Ra1 Bd6 28.Kf2 Kg7 29.Nd3 f6 30.Nc5 Bc5 31.dc5= Ba6 32.Nd4+= Bb7 33.Kf3 Ra7 34.e4 de4 35.Ke4 Kf7 36.Kf4 Ra6 37.g4 hg4 38.Kg4 Bc8 39.Kf4 Kg7 40.Re1 Ra5 41.Nc6 Ra4 42.Nb4 Ra3 43.Re7 Kh6 44.Re3 Kh5 45.c6 Ra7?? 46.Re8+- Rc7?? 47.Rh8 (47.Rh8 Rh7 48.Rh7#) 1–0. orangutandu – suren57, kurnik, 2012.

7.e3 c6 8.g3 Nd7 9.h4 f5 10.Bd3 Nf6 11.Ne2 Ne4 12.Qc2 Nd2 13.Qd2 Be6 14.h5 a5 15.b5 Qe7 16.a4 c5 17.hg6 fg6 18.Nf4 c4 19.Be2 Bf7 20.Bf3 Rad8 21.Kf1 g5 22.Nh5 g4 23.Ng7+= Kg7 24.Bd1 Rh8 25.Bc2+= Bg6 26.Rh4 h5 27.Kg2 Rhe8 28.Rah1 Rd6 29.Qc1 Re6 30.Qb1 f4? 31.gf4 Re3?? 32.Bg6+- Re1 33.Re1 Qe1 34.Qe1 Re1 35.Bh5 Ra1 36.Bg4 Ra4 37.Be6 Ra3 38.Rh3 Rb3 39.Bd5 Rb5 40.Bc4 Rb6 41.Re3 a4 42.Kf3 a3 43.Re2 Rb2 44.Rb2 ab2 45.Ba2 Kf6 46.Ke4 Ke7 47.f5 Kf6 48.d5 b6 49.f4 b5 50.d6 b4 51.cb4 Kg7 52.Ke5 Kf8 53.Ke6 Ke8 54.f6 Kd8 55.f7 Kc8 56.f8Q Kb7 57.d7 Kc6 58.Qc8 Kb5 59.d8Q Kb4 60.Qd4 Ka3 61.Qa6# 1–0. orangutandu – angelctoev, kurnik, 2012.

7.e3 Nc6 8.h4 f5 9.g3 Re8 10.Be2 Qd6 11.Nh3 Bd7 12.a4 a6 13.0-0?? Bh6?? 14.b5? Nb8 15.Kh2 c5 16.bc6 Nc6 17.Nf3 f6 18.a5 Re7 19.c4 dc4 20.Bc4 Kh8 21.Qb3 Be6? 22.Rfc1 Bc4= 23.Qc4 Rc8 24.Qc5 Qb8? 25.Kg2?? Bf8 26.Qc3 Rec7 27.Qb2 Bd6 28.Nf4 Nb4 29.Rc7+= Rc7 30.Rc1 Rc1= 31.Qc1 Bf4 32.gf4+= Nd3?? 33.Qc3 Nf4 34.ef4 Qf4 35.Qc8 Kg7 36.Qb7 Kh6 37.Qb3 Qg4 38.Kf1 Qh3 39.Ke2 Qh1 40.d5 Qa1 41.d6 Qa5 42.d7 Qd8 43.Qe3 Kg7 44.Qe8 (44.Qe8 Qc7 45.d8Q Qc4 46.Qd3 Qd3 47.Kd3 f4 48.Nd4 f3 49.Qe7 Kh6 50.Qf6 a5 51.Nf5 Kh5 52.Qg5#) 1–0. orangutandu – jeepmat, kurnik, 2012.

7.e3 Re8 8.Bd3 Nc6 9.h4 h5 10.Ne2 Bg4 11.Qc2 a6 12.a4 Qd6 13.Nf3 f5 14.Kd2 Bh6 15.b5 Na5 16.c4? f4 17.e4 Qb4 18.Qc3 Qc3 19.Nc3 Nb3 20.Kc2 Na1 21.Ra1 de4 22.Ne4 ab5 23.Nf6+= Kf8 24.Ne8 Re8 25.ab5 Bf3 26.gf3 Bg7 27.Ra7 Bd4=+ 28.Rb7 Bf2?? 29.Rc7+= Bh4 30.c5 Bf2 31.Bc4 Re7? 32.b6+- Re8?? 33.Rf7 Kg8 34.Rc7 Kh8 35.b7 Rb8 36.Rc8 (36.Rc8 Kh7 37.Rb8 Bc5 38.Rd8 Ba7 39.Ra8 Bc5 40.b8Q Bd4 41.Bg8 Kh6 42.Qf4 g5 43.Qf8 Kg6 44.Qf7 Kh6 45.Qh7#) 1–0. orangutandu – doru50, kurnik, 2012.

7.e3 f5 8.g3 c6 9.h4 Re8 10.Be2 Nd7 11.h5 g5 12.h6 Bh8 13.Bd3 Nf6 14.Ngf3 Ne4 15.Qc2 Re6 16.Rh5 Rg6 17.c4 Bd7 18.a4 a6 19.a5 f4? 20.Be4 de4= 21.Ne4 fe3 22.Rg5+= ef2 23.Kf2= Rg5?? 24.Neg5+- Bd4? 25.Kg2 Ba1 26.Qh7 Kf8 27.Qf7# 1–0. orangutandu – carotino, kurnik, 2012.

6.Nd2 d6

7.e3 b6 8.Bd3 Bb7 9.Ndf3 f5 10.Ne2 Nd7 11.h4 c5 12.a3 cd4 13.cd4 Nf6 14.Rc1 Qe7 15.Nf4 Bh6 16.Ng5 Bg5 17.hg5 Ng4 18.Be2 f6?? 19.gf6 Qf6?? 20.Bf3 Bf3? 21.gf3+- Ne3 22.fe3 Rfe8 23.Kf2 Qe7 24.Qb3 Kg7 25.d5 Rac8 26.Rc6 g5 27.Ne6 Kg6 28.Rc8 Rc8 29.Qd3 Qf6 30.Nd4 h6 31.e4 fe4 32.Qe4 Kg7 33.Nf5 Kf8 34.Rh6 Qb2 35.Kg3 Rc2 36.Qe7 Kg8 37.Rg6 Kh8 38.Qf8 Kh7 39.Qg8# (39.Rh6#) 1–0. orangutandu – angelctoev, kurnik, 2012.

7.e3 c5 8.a3 cb4 9.ab4 d5 10.Ne2 Nd7 11.h4 Qc7 12.Qb3 Nb6 13.h5 Bh6?? 14.hg6+- Kg7 15.gh7 Kh7 16.Nf4 Bf5 17.Be2 Rh8 18.g4 Be4 19.f3 Bg6 20.Kf2 Kg7+/- 21.Nd5 Nd5= 22.Qd5 Rae8? 23.Ne4 Be4= 24.fe4 Qc3 25.Rh6? Rh6=+ 26.g5?? Rh2-+ 27.Kf3 Re2 28.gf6+- Kf8?? 29.Qd6 Kg8 30.Rg1 Kh7 31.Rh1 Kg6 32.Rg1 Kh6?? 33.Ke2 Qc2= 34.Ke1 Qc1 35.Kf2 Qc2 36.Kg3 Qe4?? 37.Qf4+- Qf4 38.Kf4 Re6 39.Kf5 Kh7 40.e4 Rb6 41.Rg7 Kh6 42.Rf7 Rb4 43.d5 Rb5 44.Rg7 a5 45.Rg3 Rc5 46.f7 Rc8+- 47.Rg8 Rg8 48.fg8Q a4 49.Qg6# 1–0. orangutandu – cesarduduca, kurnik, 2012.

7.e3 c6 8.h4 Nd7 9.h5 h6 10.Bd3 g5 11.g4 d5 12.Ne2 Re8 13.Ng3 Nf8 14.Nf5 Bf5 15.Bf5 Qd6 16.0-0 b6 17.Nb3 Nd7 18.Qc2 c5 19.bc5 bc5 20.Rfb1 cd4 21.cd4 Rac8 22.Qd3 Rc4 23.Rc1 Rec8 24.Qd2 R8c7 25.Kg2 Nb6 26.Nc5 Bf8 27.a4 Qc6= 28.a5 Bc5 29.dc5 d4?? 30.e4 Rc1+/- 31.Rc1 Na4 32.Qd4 Nc5 33.Rc2 Kg7 34.Qd5 Qb5 35.a6 Rc6?? 36.Bd7+- Qb3 37.Qb3 Nb3 38.Rc6 Nd4 39.Rc7 Ne6 40.Be6 (40.Be6 Kh7 41.Ra7 Kg7 42.Rf7 Kh8 43.a7 Kg8 44.a8Q#) 1–0. orangutandu – bobbarc, kurnik, 2012.

7.e3 Nc6 8.Bc4 a6 9.Ne2 b5 10.Bd3 f5 11.g3 Ne7 12.h4 Bb7 13.0-0 Nd5 14.Qb3 Nf6 15.a4 Nh5 16.ab5+/- ab5 17.Bb5 g5 18.hg5+- Qg5 19.Ra8 Ba8 20.d5 Nf6 21.Nf4 h5 22.Nf3 Qg4 23.Be2 Bh6 24.Nh4 Qg5 25.c4 Ne4 26.Qd3 Kh7 27.Bf3 Rg8 28.Be4 Qh4 29.Bf5 Kh8 30.Kg2 Bf4 31.ef4 Qf4 32.Rh1 Rg5 33.Rh5!! Rh5 34.gf4 1–0. orangutandu – antyszachy, kurnik, 2012.

7.e3 Nd7 8.Bc4 a6 9.Ne2 b5 10.Bd5 Rb8 11.0-0 c5 12.a4 cb4 13.cb4 Nb6 14.Bb3 ba4= 15.Ba4 Na4 16.Qa4+= Bg4 17.Ng3 Be6 18.Rfc1 Bd5 19.h3 Rb6 20.Nc4 Bc4 21.Rc4 Qb8 22.Rac1 d5 23.Rc6 Rb4 24.Qa6 Rb7 25.h4 f5+= 26.h5 f4= 27.Nf1 fe3 28.fe3 gh5 29.Rd6 Re7 30.Rd5+/- Re6 31.Qb5 Qb5 32.Rb5 h4 33.Rh5 Re4 34.Kf2 Ra8 35.Kf3 Rae8 36.Rc7 Bf6 37.Rf5 Kg7 38.Rc6 R4e6 39.Re6 fe6+= 40.Rb5 Kg6 41.Nd2 h5 42.Ke4 Bg5 43.Nf3 Bf6 44.Ne5 Be5 45.Re5 Re7 46.Rc5 Rf7 47.Rc6 Rf2 48.Re6 Kf7 49.Rh6+- Rg2 50.Rh5 Rh2 51.Ke5 h3 52.d5+- Rh1 53.e4 h2 54.Rh7 Kg6 55.Rh3 Kg5 56.d6 Kg4 57.Rh8 Kg3 58.d7 Rd1 59.Ke6 Kg2 60.e5 h1Q 61.Rh1 Kh1 62.Ke7 Kg2. orangutandu – pantongtiam, kurnik, 2012.

7.e3 Nd7 8.Bd3 c5 9.a3 cd4 10.cd4 Nb6 11.Ne2 Nd5 12.0-0 f5 13.g3 Be6= 14.Nf3 Rc8 15.Qa4 a6 16.b5 ab5 17.Qb5 Qd7 18.Rfc1 Qb5 19.Bb5 Rc1 20.Rc1 Rc8 21.Rc8 Bc8 22.Nf4 Nc3 23.Bc4 b5 24.Bb3 Bb7 25.Ng5 d5 26.Kf1 Bh6 27.h4 Bg5 28.hg5+= Kf8 29.Nd3 Ke7 30.Nc5 Bc6 31.Ke1 f6 32.gf6+= Kf6 33.Kd2 Ne4 34.Ne4= fe4 35.Kc3 h5? 36.Bd1 Kg5? 37.Kb4+- Kh6 38.Kc5 Ba8 39.Kb5 g5 40.Kc5 h4 41.gh4 gh4 42.Bg4 Kg5 43.Bc8 Kf6 44.Kd6 Kf7 45.a4 Ke8 46.Bd7 Kd8 47.a5 Bb7 48.Be6 Bc8 49.Bd5 Bf5 50.a6 Kc8 51.a7 (51.a7 Kd8 52.a8Q Bc8 53.Be6 h3 54.Qc8#) 1–0. orangutandu – angelctoev, kurnik, 2012.

7.e3 f5 8.g3 Nd7 9.Bg2 Rb8 10.Ne2 c5 11.a3 b6 12.0-0 Qc7 13.Nf4 Bb7 14.Qa4 Bg2 15.Kg2 cd4 16.cd4 Nf6 17.Rac1 Qb7 18.Kg1 Ne4 19.Ne4 Qe4 20.Qa7+- Ra8 21.Qb6 Ra3 22.Qd6 Rfa8 23.b5 Rb3 24.Qc6 Ra5 25.b6 Qc6 26.Rc6 Rab5 27.Rfc1 Rb6 28.h4 Rb8 29.Rc8 Bf8 30.Kg2 h6 31.h5 g5 32.Nd5 Kg7 33.Rb8 Rb8 34.Rc6 Rd8 35.Nb6 f4 36.Nc4 fg3 37.Kg3 Be7 38.Kg4 Rd5 39.Ne5 f5?? 40.Kf5 Bd6 41.Ra6 Be5 42.de5 Rd7 43.f4 gf4 44.ef4 Rf7 45.Kg4 Re7 46.Rg6 Kh7 47.Kf5 Rf7 48.Ke4 Ra7 49.Rd6 Rf7 50.f5 Kg7 51.f6 Kh7 52.Kf5 Ra7 53.e6 Ra5 54.Ke4 Rh5 55.e7 Rh4 56.Kf5 Rh5 57.Ke6 Rh1 58.e8Q Re1+- 59.Kf7 Re8 60.Ke8 Kg6 61.f7 (61.f7 Kf5 62.f8Q Kg5 63.Qf7 h5 64.Rg6 Kh4 65.Qf4 Kh3 66.Qg3#) 1–0. orangutandu – sebastianuses, kurnik, 2011.

5.d4 f5

6.e3 a5 7.b5 c6 8.a4 cb5 (8...d5 9.Nf3=) 9.ab5 0-0 10.Bd3 d5 11.Ne2 Nd7 12.Qc2 (12.0-0 Nb6+=) 12...Nb6= 13.Nd2 Be6 14.h4 (14.Nb3 Nc4+=) 14...Nc4 (better 14...a4=) 15.Nc4?? (better 15.Bc4 dc4 16.Nf4+=) 15...dc4-+ 16.Bf5 Bf5 17.e4 Be6 (17...Bd7 18.Qb1-+) 18.h5 b6 (18...Qg5 19.d5 Bd7 20.g3-+) 19.h6 (19.Qa4 Qg5 20.Rh2 Qh6-+) 19...Bh8 20.e5 (20.Qa4 Qg5 21.Kf1 f5-+) 20...Bf5 (20...f6 21.Nf4 Bf5 22.Qa4 fe5 23.Qc4 Rf7 24.Ne2-+) 21.Qd2 (21.Qa4 Bd3 22.Nf4 Qg5-+) 21...Qd7 (21...f6 22.Qa2 Qd5 23.f4-+) 22.Ng3 (22.Qb2 f6 23.f4 Be4-+) 22...Bd3 (22...Qb5?! 23.Nf5 f6 24.Nd6=+) 23.Qg5 (23.Ne2 f6 24.Nf4 fe5 25.Nd3 cd3 26.Qd3 ed4-+) 23...Qb5 (better 23...f6 24.e6 Rfe8 25.0-0-0 Re6 26.Qd2-+) 24.Rc1 (24.Qe3 Rfe8 25.f4 f6-+) 24...Qb2 (better 24...f6 25.Qe3 fe5-+) 25.Nh5 (25.Qd2 Qa3-+) 25...Rae8 (25...Qe2) 26.Nf4 (26.Qd2 Qd2 27.Kd2 gh5 28.Rh5-+) 26...b5 (26...Qc1) 27.Rh3 (27.Nd3 cd3 28.Qd2-+) 27…Qc1 0-1. Gehaktbalmetjus (2035) - Constantinthebest (2160), Rated Bullet game, lichess.org, 2020.

6.e3 d5 7.Bb5 c6 8.Bd3 0-0 9.Ne2 Re8 10.0-0+=.

6.e3 d5 7.Bd3 0-0 8.Ne2 Re8 9.Nf4 Qd6 10.0-0=.

6.e3 d5 7.Bd3 a5= 8.b5 0-0 9.Ne2 c5 10.dc5+=.

6.e3 d5 7.Bd3 c6 8.Qc2 Be6 9.Nf3 0-0 10.h4 Nd7 11.h5 Nf6 12.Nbd2 (12.hg6 fg6 13.Nbd2 Ne4=) 12...Ne4 (12...Nh5 13.Rh5 gh5 14.Bf5 Bf5 15.Qf5=+) 13.Ne5 Be5 14.de5 (worse 14.Be4 fe4 15.de5 Qg5-/+) 14...Qc7 15.f3? (15.hg6 fg6 16.Nf3= (worse 16.Be4 fe4 17.Nb3 Qe5-/+)) 15...Ng3-+ 16.Rh3 Qe5 (worse 16...Nh5 17.f4-/+) 17.f4?? (better 17.Kf2 Nh5 18.f4-+) 17...Qe3 18.Kd1 Qg1 19.Nf1 Ne4 (better 19...Nf1 20.Kc1 Ne3 21.Kb2 Qa1 22.Ka1 Nc2 23.Bc2-+) 20.Be2 (20.Re3-+) 20...Nf2 21.Ke1 Nh3 22.gh3 Rae8 0-1. Gehaktbalmetjus (2045) - EmrushAsllani (2050), Rated Bullet game, lichess.org, 2020.

6.e3 d5 7.Nf3 Nd7 8.Be2 (8.Bd3 0-0 9.0-0 Re8 10.Nbd2+=) 8...b6 (8...0-0 9.0-0= Re8 10.Re1=) 9.0-0+= Bb7 (9...0-0 10.Qa4+=) 10.c4 (10.a4 a5+=) 10...Qf6 (10...dc4 11.Bc4 0-0 12.Nbd2+=) 11.Nc3 (11.cd5 Bd5 12.Nc3 Bb7+/-) 11...c6 (11...dc4 12.Bc4 0-0 13.b5+=) 12.Qb3 (12.cd5 cd5 13.Qb3 0-0+/-) 12...Qe6? (better is 12...dc4 13.Bc4 0-0+=) 13.cd5+- cd5 14.Nb5 Kd8 (14...Rc8 15.Na7 Ra8 16.Nb5+-) 15.Rac1 (better is 15.Ng5 Qf6 16.Nd6 Ke7 17.Ngf7 Rhf8 18.Nb7 Qf7+-) 15...Bc6? (better is 15...Qe7+-) 16.Ng5 Qf6 17.Nd6!! (17.Nd6 Rf8 18.Ngf7 Rf7 19.Rc6+-) 1–0. Wall,Bill – McDonough,H, Microsoft Gaming Zone, 1999.

6.e3 d5 7.g3 0-0 8.Bd3 Nd7 9.Qc2 Nf6 10.Nd2 Ne4 11.f3 (11.Ngf3 Qe7=) 11...Nd2 12.Kd2 b6 13.h4 Qd6 14.Ne2 c5 15.bc5 bc5 16.h5?? (better 16.dc5 Qc5 17.Rab1=) 16...c4-+ 17.hg6 fg6 18.Nf4 cd3 19.Qd3 (19.Qb3 Be6 20.Qb4 Qa6-+) 19...Ba6 20.Qc2 Rac8 21.Qb3 (21.Rh2 Bc4-+) 21...Bc4 22.Qb4 Qb4 (22...Qc7!? 23.Qa4-+) 23.cb4 Rfe8 24.a3 Bb5 (24...g5 25.Nh5-+) 25.Rac1 Ba4 (25...Rc1!? 26.Rc1 Bc4 27.Nd3-+) 26.Rc5 (26.Nd5!? Bc6 27.Rc5=+) 26...Rc5 27.dc5? (27.bc5!? Bc6 28.Nd3-/+) 27...Bb3 (27...d4 28.ed4 Bd4 29.Kd3-+) 28.Kd3 (28.Rb1 Bc4-+) 28...Bc4 29.Kd2 d4 30.ed4 Bd4 31.Re1 Bc3?? (better 31...Rd8 32.Kc2 Bf2-+) 32.Kc3= Re1 33.Kc4 Ra1 34.Nd5 (34.b5 Kf7=) 34...Kf8 (34...Kf7 35.b5 Ke6 36.Nf4 Kd7 37.Ne2-/+) 35.c6 Ke8 (35...Ra3?? 36.c7 Kg7 37.c8Q Rf3 38.Qc5+-) 36.c7? (better 36.Nf6 Kd8 37.Nh7 Ra3 38.Ng5-/+) 36...Kd7-+ 37.Kb5? (better 37.a4 Ra4 38.Nc3-+) 37...Ra3 38.Nf6 (38.g4 Rd3 (worse 38...Rf3 39.Ka6 Kc8 40.gf5 gf5 41.Kb5-+) 39.Kc4 Rf3-+ ) 38...Kc7 39.Nh7 a6 40.Kc5 Rf3 41.Nf8 Rg3 42.Ne6 Kb7 (42...Kd7 43.Nf4-+) 43.Nd4 (43.Nd8 Kc8 44.Ne6 Kd7-+) 43…f4 0-1. Gehaktbalmetjus (2025) - phamhuuphu (2105), Rated Bullet game, lichess.org, 2020.

5.e3 0-0

6.Bc4 b6 7.Bb3 Bb7 8.Nf3 d6 9.d4 Nd7 10.0-0 f5 11.Nbd2 Nf6 12.c4 Ne4 13.d5 Ba1 14.Qa1 Qf6 15.Ne4 Qa1 16.Ra1 fe4 17.Nd4 c5 18.bc5 bc5 19.Nb5 Rfd8 20.Rf1 a6 21.Nc3 a5 22.a4 Rab8 23.Nb5 Bc8 24.f3 Bf5 25.fe4 Be4 26.Rf6 Rb6 27.Kf2 Kg7 28.Rf4 f5 29.Ke1 Bg2 30.h4 Re8 31.Kd2 Kf6 32.Ke2 Re4 33.Kf2 Rf4 34.ef4 Be4 35.Ke3 h6 36.Bd1 g5 37.fg5 hg5 38.hg5 Kg5 39.Bb3 Kf6 40.Kf4 Bb1 41.Bd1 Ke7 42.Bb3 Rb8 43.Bd1 Rg8 44.Nc3 Bd3 45.Be2 Be2 46.Ne2 Rg4 47.Kf5 Rc4 48.Nf4 Ra4 49.Ng6 Kd7 50.Nf8 Kc7 51.Ke6 Re4 52.Kf5 Re1 53.Ne6 Kd7 54.Nf8 Ke7 55.Ng6 Kf7 56.Nh8 Kg7 57.Ng6 Rf1 58.Kg5 Rg1 59.Kf5 Rg6 60.Ke4 a4 61.Kd3 a3 62.Kc2 Rg2 63.Kb1 a2 64.Ka1 c4 ½–½. joaquimbage – albert56, kurnik, 2012.

6.Bd3 Nc6 7.Ne2 f5 8.Na3 Ne5 9.Bc2 a5 10.b5 Qe7 11.Nb1 b6 12.0-0 Bb7 13.d4 Nc4 14.Nd2 Nd2 15.Qd2 Qg5 16.Nf4 Rfe8 17.c4 Re7 18.Rac1 Rae8 19.c5 h5 20.Bd3 Qf6 21.cb6 cb6+= 22.Rc7 Rb8 23.Rb7!+/- Rb7 24.Nd5 Qd6 25.Ne7 Qe7 26.Rc1 Qb4 27.Qc2+- (27.Qc2 Ra7 28.Qc8 Qf8 29.Rc7 Rc7 30.Qc7+/-) 1–0. bridlingtonbrummie – notloBrooks, ChessWorld.net, 2010.

6.Ne2 Nc6 7.d4 b6 8.Nf4 Bb7 (8...Re8 9.Bc4 Bb7 10.0-0 a6 11.Nd2 Ne7+=; 8...a6 9.Bc4 Ne7 10.Qf3 c6 11.0-0 d5+=) 9.Be2 (9.Bc4 Re8 (9...f5+= 10.0-0 a6 11.Bd5 Re8+=) 10.0-0 a6 11.Bd5 Bh6+=; 9.Bd3 Re8 10.0-0 f5 11.Qf3 a6+=) 9...Ne7 (9...Bh6 10.Nd5+= (10.0-0 Bf4 11.ef4 Re8+=) 10...a5 11.Bf3 ab4+=; 9...a6 10.0-0 Re8 11.Nd2 Bh6+=) 10.0-0 Re8 11.Qb3 (11.Bf3 d5+= (11...c6+=)) 11...Nc8 (11...Bh6 12.Nd3+=) 12.Nd2+= f5 13.a4 (13.b5 a6+=) 13...Nd6 14.a5. Lafata – Hill, Michigan, 1975.

6.Ne2 Nc6 7.d4 d5 8.a4 Re8 (8...a5 9.b5 Ne7 10.Nf4= Bh6 11.Qf3 Bf5=; 8...Bg4 9.h3 Be6 10.Nf4 Ne7 11.Bd3 a5=; 8...Ne7 9.Nf4 a5 (9...Qd6 10.Bd3 a5 11.b5 Re8=) 10.b5 Bh6 11.Qf3 Bf5=; 8...Be6 9.Nf4 a5 (9...Qd6 10.Bd3 Bh6 11.Qf3 Rae8+=; 9...Re8 10.Bd3 Qd6 11.a5 Rab8+=; 9...Ne7 10.Bd3 a5 11.b5 Qd7+=; 9...Bh6 10.Qf3 Qd6 11.Bd3 Rae8+=) 10.b5 Ne7 11.Bd3 Qd7+=) 9.g3 (9.Nf4 Qd6 (9...a5 10.b5 Ne7 11.Bd3 Qd6=) 10.Be2 (10.Qf3 Ne7 11.Nd2 Bh6=) 10...Nd8= 11.0-0 Ne6=) 9...Bf5 (9...Bg4 10.Bg2 Ne7 11.0-0 c6=; 9...Ne7 10.Bg2 a5 11.b5 c6=) 10.Bg2 Be4 (10...a5 11.b5 Ne7 12.c4=; 10...Ne7 11.a5 c6=) 11.Be4 (11.0-0 f5= (11...Bg2 12.Kg2 a5=)) 11...de4 12.Nd2 f5 13.a5 Qd7 14.b5 (14.Nb3 Rad8=) 14...Ne7 15.c4 c6 (15...c5 16.bc6 Nc6 17.0-0=) 16.Rb1 (16.bc6 Nc6 17.0-0 Rac8=) 16...cb5 (16...Red8 17.0-0=) 17.Rb5 Rec8 (17...Nc6 18.Qb3=) 18.Qb3 Rab8 (18...Rc7 19.0-0+=) 19.a6 (19.0-0 Nc6+=) 19...b6 20.0-0 Nc6 (20...Rc6 21.f3 ef3 22.Rf3+=) 21.Rc1 (21.Nf4 Rd8+=) 21...Qe8 22.Rb1 h6 (better is 22...Rd8+=) 23.c5 (better is 23.Rd1!?+=) 23...bc5+= 24.dc5 Rd8 25.Qa2 (25.Rb8!? Nb8 26.Nd4 Na6 27.Qc4+=) 25...Rb5-+ 26.Rb5 Ne5 27.Nd4 Rd4! 28.ed4 Qb5 29.de5 Be5 30.Qd5+= Bc7 31.Nc4 Qa6-/+ 32.c6 Qa1 33.Kg2 Qc3 34.Qd7 Qf3 35.Kg1 f4 36.Qc7 Qd1 37.Kg2 f3 38.Kh3 Qf1 39.Kg4 Qc4 40.Kf4?? Qd5 41.Qd7+/- Qb5 42.Qd8 ½–½. Williams,Barry M – Lovelock,Graham E, corr NZCCA TT res, 1998.

6.Ne2 d5 7.d4 (7.Nf4 a5= 8.b5 Bf5 9.Bd3 Bd3 10.Nd3 Re8 11.0-0 c6=) 7...Re8 (7...a5 A) 8.Nf4= ab4 (8...Bh6 9.Nd3 Re8 10.b5 f5 11.Qf3 c5=) 9.cb4 Qd6 10.Nc3 Re8 11.Be2 Qb4=; B) 8.ba5 Qd6 (8...Re8 9.Nf4 Ra5 10.Bd3 c5 11.dc5 Nc6=; 8...Nc6 9.Nf4 Ra5 10.Bd3 Qd6 11.0-0 Re8=) 9.Nf4 Ra5 10.Bd3 Bh6 11.Ne2 Re8=; C) 8.b5 Bg4 9.h3 Bf5 10.Ng3 Be6 11.Bd3 c5=; 7...Bg4 8.h3 Be6 9.Nf4 a5 10.b5 Nd7 11.c4 dc4+=) 8.Nf4 (8.Ng3 a5 (8...f5 9.Qf3 Qd6 10.Ne2 Be6 11.Nf4 a5=; 8...Qd6 9.Qf3 a5 10.b5 h5 11.Ne2 Bg4=) 9.b5 Qd6 10.Qf3 a4 11.Nd2 f5=; 8.Nd2 Qd6 (8...Bg4 9.Qb3 Nc6 10.Nf4 Qd6 11.h3 Be6=; 8...a5 9.b5 a4 10.Nf4 c6 11.Bd3 Qd6+=) 9.Rc1 f5 10.g3 Nd7 11.Bg2 c6=) 8...Qd6 (8...a5 9.b5= Qd6 10.Qf3 c6 11.Bd3 Nd7+=; 8...c6 9.Bd3 a5 10.b5 Qd6 11.Qf3 Nd7+=; 8...Bf5 9.Bd3 Be4 10.Be4 de4 11.Nd2 f5+=) 9.Be2 (9.Qf3 c6 10.Bd3 Nd7 11.Nd2 a5=) 9...Nc6 (9...a5 10.Qb3 Be6 11.0-0 a4=) 10.0-0 (10.Nd2 Nd8= 11.0-0 Ne6=; 10.Qb3 Be6 11.0-0 a6+=) 10...a5 (10...Nd8 11.Nd2= Ne6=) 11.b5+= Ne7 (11...Nd8+=) 12.a4 (12.c4 dc4 13.Bc4 Bh6+=) 12...Bd7 (12...Bh6 13.Nd3+=) 13.Nd3 (13.c4 dc4 14.Nd2 Bf5 15.Nc4 Qb4+/-) 13...b6 (13...Rad8 14.c4+=) 14.Na3 (14.Nd2 Be6+=) 14...Rac8 (14...Rad8 15.c4+=) 15.c4 f5 16.Bf3 c5 (16...Be6 17.c5 bc5 18.Nc5+/-) 17.dc5+/- bc5 18.Rc1 (18.Rb1 Red8+/-) 18...d4+= 19.Rb1 (19.ed4 Qd4 20.Qd2 Be6+=) 19...de3 20.fe3 Rcd8 21.Nf4 Qe5 22.Qb3 g5 23.Nh5 Bh8 24.Ng3 g4 25.Bd5 Nd5 26.cd5+= Qe3 27.Qe3 Re3 28.Nc4 Rc3 29.Na5 Ra8? 30.Nc6+- Ra4? 31.b6 (31.b6 Bc8 32.Ne7 Kf8 33.Nc8+-; 31.Nf5?! Bf5 32.Rf5 c4+-) 1–0. Roos – Bouma, email 4AMM–07, 1997.

6.Ne2 Re8 7.Nf4=.

6.Nf3 f5 7.Bc4 b6 8.a4 d5 9.Bb3 Bb7 10.Na3 Nd7 11.Nc2 c5 12.b5 c4 13.Ba2 Nc5 14.0-0 Nd3 15.Ncd4 Qc7 16.Bb1 Nc5 17.Bc2 Ne4 18.Ne1 Rad8 19.f4 Rfe8 20.Nef3 h6 21.h4 a6 22.Kh2 ab5 23.ab5 Ra8 24.Be4 Ra1 25.Qa1 Ra8 26.Qb2 Qb8 27.Ra1 Bf8 28.Bc2 Bd6 29.Ra8 Qa8 30.Ne5 Be5 31.fe5 Qb8 32.Nc6 Bc6 33.bc6 Qe5 34.Kh1 Qc7 35.Qb5 Kg7 36.Qd5 Qg3 37.Qd4 Kg8 38.Ba4 g5 39.hg5 hg5 40.Bb5 g4 0–1. frydolin11 – kannisogoet, kurnik, 2012.

4.Nc3 Bg7

5.a3 0-0 6.Rc1 Re8 7.Nd5 c6 8.Nf4 d5 9.d4 Qd6 10.g3 Bh6 11.e3 Bf4 12.gf4 Qf4 13.Ne2 (13.c4 a5=+) 13...Qf3 (better is 13...Qh4 14.Qd2 f5-/+) 14.Kd2?? (better is 14.Ng3 Qd1 15.Kd1=+) 14...Qh1-+ 15.Ng3 Qh2 16.Qf3 f5 17.Bg2 Qh6 18.Rh1 Qg7 19.Qf4 Nd7 20.c4 Nf6 21.Bf3 Ne4 22.Kd3 Ng3 23.Qg3 Re4! 24.Be4 fe4 25.Kd2 Bf5 26.c5 a5 27.b5 a4 28.Qc7 f6 29.Qb6 Qd7 30.bc6 Qc6 31.Qc6 bc6 32.Rb1 Kg7 33.Rb7 Kh6 34.Ke1 g5 35.Kf1 Kg6 36.Kg2 h5 37.Kg3 h4 38.Kh2 Ra5 39.Rc7 Rb5 40.Rc6 Rb2 41.Kg2 h3 42.Kg3 h2! 43.Kh2 Rf2 44.Kg3 Rf3 45.Kg2 Re3 46.Rd6 Ra3 47.c6 Rc3 48.Rd5 Rc6 49.Ra5 Rc4 50.d5 Rd4 51.d6 Rd6 52.Ra4 0–1. dtpwaldi – szachista61 (1670), kurnik, 2012.

5.Rb1 0-0 6.a4 a6 7.b5 a5 8.e3= b6 9.Nce2 d5 10.h4 Bg4 11.f3 Bf5 12.h5 g5 13.g4 Be6 14.Nd4 Qd6 15.Ne6 Qg3 16.Ke2 fe6 17.Qe1 Qe1 18.Re1+= Bh6 19.d4 Nd7 20.Kf2 e5 21.Ne2 Rae8 22.Nc3 ed4 23.ed4+- Re1 24.Ke1 Re8 25.Kd1 c5?? 26.Nd5 cd4+/- 27.Bc4 Kg7 28.Re1 Re1 29.Ke1 Ne5 30.Be2 Nd7 31.Kd2 Kf7 32.Kd3 Ke6 33.Kd4 Nc5? 34.Ne3 Na4 35.Bd3 Bf8 36.Nc4?? Bc5 37.Ke4 Nc3# 0–1. aleksandras19 – nierozmowny, kurnik, 2012.

5.Rb1 0-0 6.Nd5 c6 7.Ne3 Qb6 8.h3 d5 9.g4 Nd7 10.c4 dc4 11.Nc4 Qc7 12.e3 Ne5 13.Bg2?? Nc4-+ 14.b5 Bd7 15.bc6 Bc6 16.Bc6 Qc6 17.f3 Rfe8 18.Ne2 Na3 19.Rc1 Qf3 20.Nd4 Qh1 21.Ke2 Qd1 22.Rd1 f5 23.Nf3 fg4 24.hg4 Rad8 25.Ng5 h6 26.Nf3 Nc2 27.g5 Nd4 28.Nd4 Rd4 29.Kf3 Ra4 30.gh6 Bh6 31.Rh1 Kg7 32.Rh6 Kh6 33.e4 Ra2 34.d3 Ra3 35.Kf4 Re4! 36.Ke4 Rd3! 37.Kd3 a5 38.Ke4 b5 39.Ke5 Kg7 40.Kd4 f5 41.Kc5 a4 42.Kb5 a3 43.Kc5 a2 44.Kd5 Kf6 45.Kd6 f4 46.Kd7 g5 47.Ke8 g4 48.Kf8 g3 49.Kg8 f3 50.Kf8 g2 51.Ke8 g1R 52.Kf8 f2 53.Ke8 f1R 54.Kf8 Ke5 55.Ke7 Rg6 56.Ke8 Rff6 57.Ke7 Ra6 58.Kf8 Ra7 59.Ke8 Rh6 60.Kf8 Rh8# 0–1. aleksandras19 – mirc34, kurnik, 2012.

5.Rb1 b6 6.a4 Na6 7.b5 Nc5 8.d4 Nb7 9.d5 d6 10.e4 Qe7 11.Bd3 f5 12.Qd2 fe4-/+ 13.Ne4? Nc5?? 14.f3?? Na4?? 15.Ne2 f5 16.Ng5?? h6 17.Ne6 Be6 18.de6 Qe6 19.0-0 0-0 20.Rfe1 Qd7 21.Nf4? Bc3 22.Qc1 Be1 23.Qe1 Qf7?? 24.Qd2?? Kh7 25.Re1 Rfe8 26.Ra1 Nc5 27.Bf1 g5 28.Nh3 Qe6 29.f4 g4 30.Nf2 Qe3 31.Qd5 Ne4 32.Qf7 Kh8 33.Qc7 Nf2 34.Qd6 Ne4 35.Kh1-+ Nd6 36.Bd3 Qe1! 37.Re1 Re1 38.Bf1 Rf1# 0–1. aleksandras19 – tuptus1969, kurnik, 2012.

5.Rb1 d5 6.d4 c6 7.e3 Nd7 8.Nf3 0-0 9.Be2 b5 10.0-0 a5 11.e4?? Nb6?? 12.ed5= Nd5 13.Nd5 Qd5 14.Nd2?? ab4 15.Bf3 Qd6 16.Ne4+= Qe7 17.Nc5 Bd7 18.Nd7 Qd7 19.Rb4 Ra2 20.Qd3 f5 21.d5 cd5 22.Qd5 Qd5-/+ 23.Bd5 Rc2 24.Rb5 Bd4 25.Rb7 Kg7 26.h3 Kf6 27.g4 fg4-+ 28.hg4 h6 29.Kg2 h5 30.gh5 gh5 31.Kf3 Bc5 32.Rc7 Rc3 33.Kg2?? Rg8-+ 34.Kh1 Rh3# 0–1. aleksandras19 – forfiter57, kurnik, 2012.

5.Rb1 f5 6.h3 c6 7.g4 d5-/+ 8.Na4 d4 9.d3 Qd5 10.Nf3 fg4 11.hg4 Bg4 12.Bg2 Nd7 13.c4 Qd6 14.c5 Qd5 15.Qb3 Qb3 16.ab3 0-0 17.Nd4? Bd4 18.f3 Bf5 19.Bh3 Bh3 20.Rh3 Rfe8 21.Kd2 Nf6 22.Nc3 Bc3 23.Kc3 Re2 24.Rf1 Rd8 25.f4 Nd5 26.Kc4 Rc2 27.Kd4-+ Nf4 28.Ke5 Nh3 29.Ra1 Re2 30.Kf6 Rd3 31.Ra7 Rf3# (31...Re6#) 0–1. aleksandras19 – krzysiuniob, kurnik, 2012.

5.e3 0-0 6.Nge2 b6 7.Ng3 Bb7 8.f3 Nc6 9.a3 Ne5 10.Be2 c6 11.0-0 d5 12.f4 Nd7 13.f5 g5 14.Nh5 Ne5 15.d4 Nc4 16.Ng7 Ne3 17.Qd2 Nf1 18.Kf1 Kg7 19.Kg1 Qd7 20.Rf1 Rae8 21.Bd1 Qe7 22.Ne2 Qe3 23.Qe3 Re3 24.Ng3 Ra3 25.Nh5 Kh8 26.Nf6 Ba6 27.Re1 Ra1 28.Kf2 Bc4 29.Bh5 a5 30.Nd7 Re1 31.Nf8 Re8 32.Nd7 ab4 33.Bf7 Re7 34.Ne5 b3 35.cb3 Bb3 36.f6 Rf7 37.Nf7 Kg8 38.Ne5 c5 39.dc5 bc5 40.f7 Kf8 41.Ke3 c4 42.Kd4 Ke7 43.g3 h5 44.h3 g4 45.hg4 hg4 46.f8Q Kf8 47.Ng4 Kf7 48.Ne5 Kf6 49.g4 Kg5 0–1. 56ctx56 – calipso11, kurnik, 2012.

5.h4 f5 6.h5 (6.e3 d6=) 6...0-0 (6...f4 7.h6 Bf6 8.Nd5=+) 7.h6 (7.e3!?=) 7...Bh8 8.e3 d5 9.d4 (9.Nge2 Re8=+) 9...a5 (9...f4 10.Qf3 fe3 11.fe3-/+) 10.b5=+ f4 11.Nf3 fe3 12.fe3 Re8 13.Kf2 Bg4 14.Bd3 Nd7 (14...c5 15.Be2-/+) 15.Qd2 (15.Nd5!? c5 16.c3=) 15...Nf6=+ 16.Raf1 Ne4 17.Be4 de4 18.Nh2 Qh4 (18...Be6!?-/+) 19.Kg1= Bh5 (19...Bd7 20.Rf4 Qd8 A) worse 21.Ne4 g5 (worse 21...Bb5 22.Nf3=+) 22.Ng5 Qg5-+; B) worse 21.Re4 Re4 22.Ne4 Bb5=+; C) 21.Qe2=+) 20.Qe1 (20.Qf2 Qf2 21.Kf2+/-) 20...Qe7 (better 20...Qg5!?=) 21.g4+/- Qg5 22.Qg3 f5 23.Kg2 (23.Qf4 Qf4 24.Rf4 fg4 25.Ng4 Bg4 26.Rg4 c5 27.bc6 bc6+/-) 23...fg4 (23...Bg4 24.Ng4 Qg4 25.Qg4 fg4+=) 24.Rf4 (better 24.Qc7!? Bf6 25.Qb7+/-) 24...Rf8 (24...c5 25.Ng4 (25.Ne4? Re4 26.Re4 Qd5-+) 25...Rf8 26.Rhf1 (worse 26.Ne4 Rf4 27.Ngf6 Bf6 28.Ng5 Rg4-/+) 26...Rf4 27.Rf4 cd4 28.Ne4 Qb5 29.Ngf6 Bf6 30.Nf6 Kh8 31.ed4+=) 25.Rhf1 (25.Ne4 Qd5 26.Rhf1 Rf4 (worse 26...Qb5 27.Rf8 Rf8 28.Qc7+/-) 27.Qf4 c6= (27...Qa2 28.Qc7 Qd5 29.Kg3+-)) 25...Rf4 (25...Qh6 26.Ng4 Qg7 27.Nf6 Rf6 28.Rf6 Bf3 29.R6f3 ef3 30.Qf3+=) 26.Rf4 (26.Qf4 Qe7+=) 26...Qh6 27.Ne4 Re8 (27...Rf8 28.Rf8 Qf8 29.Qc7 b6+-) 28.Ng4+- Bg4 29.Qg4 (29.Rg4?! Qh5 30.c4 Qf5+=) 29...Bg7? (29...g5 30.Ng5 Bg7 31.Re4 Re4 32.Ne4+-) 30.d5 (better 30.Qd7 Rf8 31.Qc7+-) 30...Be5?? (better 30...Qh5 31.Qh5 gh5+/-) 31.Nf6 (better 31.Qd7 Rb8 32.Qe6 Kh8 33.Qe5 Qg7 34.Nf6+-) 31...Bf6-/+ 32.Rf6 Qe3 (32...Re3?? 33.Qc8 Re8 34.Qe8 Kg7 35.Rf7) 33.Re6 (33.Rf2 Kg7 34.Qd7 Qe7-/+) 33...Re6-+ 34.de6 Kg7 (better 34...Qd2 35.Kg3 Qc3 36.Kh4 Qe1 37.Kg5 Qe5 38.Kh4 Kg7-+) 35.b6? (better 35.Qc4!? Qg5 36.Kf2-+) 35...cb6 36.a4 (36.Qc4 Qg5 37.Kh3 Qc5-+) 36...Kf6 (better 36...Qd2!? 37.Kh3 Qc3 38.Kh2 Qc2 39.Kh1 Qc6 40.Kh2 Qd6 41.Kg1 Qc5 42.Kg2-+) 37.Qh4 Ke6 38.Qh7 Qe4 39.Kg3 Qe5 40.Kg4 (40.Kf2 Qc5 41.Kg3 Qc2 42.Qg8 Kd6 43.Qd8 Ke5 44.Qe7 Kd4 45.Qb7 Qb3 46.Kf2 Qe3 47.Kf1-+) 40...Qh5! 41.Kg3 (41.Qh5 gh5 Passed pawn) 41…Qh7 (41...Qh7 42.c3 g5-+) 0-1. Kingscrusher_YouTube (2235) - DontBeMad (2370), Rated Bullet game, lichess.org, 2014.

4.c4 Bb4

5.a3 Bf8 6.g3 Bg7 7.Bg2 0-0 8.Nc3 Na6 9.Qb3 c6 10.e3 Nc7 11.Nge2 d6 12.d4 Be6 (12...Qd7 13.0-0=+) 13.d5 (better 13.Qb7!? Bc4 14.Qc6+=) 13...cd5=+ 14.cd5 Bf5 (14...Bc8 15.0-0=+) 15.e4 (15.Qb7 Bd3=) 15...Bg4 (15...Bc8 16.0-0-/+) 16.h3 (16.Qb7!? Bc8 17.Qc6=) 16...Be2 17.Ke2 (17.Ne2 f5 18.Rc1 Na6 19.ef5 Nc5-/+) 17...f5-/+ 18.Rad1 (18.Rac1 Re8 19.Kd1 fe4 20.Ne4 Rb8-/+) 18...fe4 19.Ne4 Re8 20.Kd3 (better 20.Kf1-+) 20...Na6 21.Qb7 (21.Qb5 f5 22.Nc3 Nc5 23.Kc2-+) 21...Re4! 22.Qa6 (22.Ke4 Nc5 Double attack (22...Qe8 Decoy); 22.Be4 Nc5 Double attack) 22...Rd4 23.Ke3 (23.Kc2 Rc8 24.Qc6 Rc4 25.Kd3-+) 23...Qe7 24.Kf3 Qf6 (24...Qe4) 25.Ke3 (25.Ke2 Qe5 26.Be4 Qe4 27.Kf1 Rd1) 25…Re8 (25...Re8 26.Be4 Ree4) 0-1. kasperoff (1660) - Baryshnikov1974 (2255), Hourly Blitz Arena, lichess.org, 2019.

5.Qb3 Bc5 6.Nc3 0-0 7.e3 f5 8.d4 Be7 9.Nf3 Bf6 10.Bd3 d6 11.0-0 a6 12.Rac1 Nc6 13.a3 Rb8 14.Nd5 Bg7 15.Nb4 Nb4 16.ab4 c6 17.c5 Be6 18.Qa4 d5 19.Rb1 h6 20.Rb2 g5 21.h3 g4 22.hg4 fg4 23.Nh2 h5 24.f4 gf3 25.Nf3 Bg4 26.Qc2 Qe7 27.Qd2 Rbe8 28.Nh2 Qe3 29.Qe3 Re3 30.Ng4 Rd3 31.Ne5 Rd4 32.Nd7 Rd8 33.Nb6 Re8 34.Rbf2 Re7 35.Nc8 Rc7 36.Nd6 f6 37.Re1 Rb4 38.Re8 Kh7 39.Rf5 Kg6 40.Rg8 Rd7 41.Rg7 Rg7 42.g4 Rg4 43.Kf2 Rd7 44.Rf3 a5 45.Rb3 a4 46.Ra3 Rd6 47.cd6 Kf7 48.Re3 Re4 49.d7 Ke7 50.Re4 de4 51.Ke3 f5 52.Kf4 Kd7 53.Kf5 0–1. olawoj – soros38, kurnik, 2012.

5.Qb3 Nc6 6.g3 Qe7 7.Bg2 Nd4 8.Qb2 Bc5 9.e3 0-0 (9...Nc6 10.Nf3+=) 10.Kf1 (better is 10.Nc3!? Nc6 11.Nd5=) 10...Re8-/+ 11.Nc3 Qd6?? (better is 11...Ba3 12.Nd5 Bb2 13.Ne7 Re7-/+) 12.Ne4 (12.Nd5 c6 13.ed4 Ba3 14.Nf6 Qf6 15.Qa3 Qd4+/-) 12...Qa6 (12...Re4!? 13.Be4 f5+=) 13.Nc5+/- Qc4 14.d3 Qc5 15.Qd4 Qb5 16.Bd5 c6 17.Bc4 Qf5 18.e4 Qh5 19.f3 b5 20.Bb3 f5 21.Qf6+- g5?? 22.h4 g4 23.fg4 fg4 24.Ne2 Rf8 25.Nf4 Qc5 26.Qg5 Qg5 27.hg5 a5 28.a3 a4 29.Ba2 Kg7 30.Rh6 Rh8 31.Nh5 Kf8 32.Rf6 d5 33.ed5 c5 34.d6 Ra7 35.Rc1 b4 36.ab4 Ba6 37.bc5 1–0. Beloshapkin,Konstantin (2040) – Karimov,Anvar, Novosibirsk RUS, Sukharev Mem, 2012.

5.Qb3 Be7 6.d4 0-0 7.Nf3 c6 8.e3 d5 9.c5 Nd7 10.Nbd2 b6 11.cb6 ab6 12.Bd3 c5 13.0-0 c4 14.Nc4 dc4 15.Bc4 Ra3 16.Qb2 Ba6 17.Ba6 Ra6 18.a4 Qa8 19.h3 Ra4 20.Ra4 Qa4 21.Ra1 Qb4 22.Qa2 Rd8 23.Qa7 Kf8 24.Qc7 Qd6 25.Qd6 Bd6 26.Rb1 Rb8 27.g3 b5 28.Nd2 b4 29.Ne4 Be7 30.Kf1 f5 31.Nd2 Nf6 32.Ke2 Ne4 33.Nb3 Nc3 34.Kd3 Nb1 0–1. olawoj – markal55, kurnik, 2012.

5.e3 Be7 6.Nf3 0-0 7.Be2 f5 (7...d5 8.cd5 Qd5 9.0-0=+) 8.0-0 Bf6 9.d4 c5 10.Nc3 Nc6 11.Rb1 d6 12.Nd5 Bg7 (12...b6 13.Re1=) 13.a4 (13.dc5 dc5 14.Qa4 Rb8=) 13...Ne7 14.dc5 dc5 15.a5 (15.Nf4!?=+) 15...Nd5-/+ 16.cd5 Qd6 (16...Qa5 17.Qc2-/+) 17.Nd2 (17.Qb3 Rb8=+) 17...Qd5-/+ 18.Bf3 Qa2 19.Nb3 c4 20.Nc5 Qa5 21.Nb7 Bb7 22.Rb7 Rab8 23.Rb8 Rb8 24.Qd6 (24.Qd7 Rd8 25.Qc6 c3-+) 24...Qb6 25.Qd7 Rd8 26.Qa4 c3 27.Rc1? (better 27.Bd1-+) 27...Qb2 28.Qc2 Qc2 (better 28...Rd2!? 29.Qb2 cb2 30.Rf1-+) 29.Rc2 Rd2 (29...Rb8!? 30.Kf1-+) 30.Rd2 cd2 31.Kf1 Bc3 32.Ke2 a5 33.Bc6 Kf8 34.Ba4 Ke7 35.Kd3 Bb4 36.Kc4 Kd6 0-1. pacal56 (2175) - Houdini_76 (2215), Rated Blitz game, lichess.org, 2014.

5.Nf3 0-0 6.e3 d5 7.Qb3 a5 8.cd5 Na6 9.a3 Bd6 10.d4 Bd7 11.Nc3 (11.Qb7 Qe7 12.Qb2 Rfb8+/-) 11...c5 (11...Rb8 12.Ne4+=) 12.dc6 (12.Ne4 Bf5 13.Nd6 Qd6 14.Qb7 cd4+/-) 12...bc6 13.Be2 (13.Ne4 Be6 14.Qc3 Bd5 15.Nd6 Qd6+=) 13...c5 (13...Qe7 14.0-0=) 14.0-0 (14.Ne4 Be6 15.Qb2 Bd5 16.dc5 Be4 17.cd6 Qd6+=) 14...cd4 15.Nd4 Nc5 16.Qd5 Be6 17.Qf3 Rc8 18.Ne4 (18.Rad1!? Qb6 19.Rb1+/- (19.Qf6?! Bb3 20.Qh4 Bd1 21.Rd1 Qb2=)) 18...Ne4= 19.Qe4 f5 20.Qb7 Bd5 21.Qa6 Ra8 22.Qb5 Rb8 23.Qa4 Qh4 24.g3 Qd8 (24...Qh3 25.Bf3 Bf3 26.Nf3+=) 25.Bf3 Be5 (25...Bf3 26.Nf3 Re8 27.Rfb1=) 26.Rad1 Bd4 27.Rd4 Bf3? (better 27...Bb3 28.Rd8 Ba4+=) 28.Rd8+- Rfd8 29.Qf4 (29.Qa5!? Rd3+-) 29...Bd5 30.h4 h5 31.Qe5 Be6 (31...Rbc8 32.Kh2+/-) 32.Rc1 (better 32.Qa5!? Rd3 33.a4+-) 32...a4 33.Qf4 Bb3 34.Kh2 Rbc8 35.Rc8 Rc8 36.Qd6 Re8 (36...Rc1 37.Kg2+/-) 37.Kg2+- Re6 38.Qd4 Kf8 39.Qc5 Kg8 40.f3 Kg7 41.Qd4 Kg8 42.e4 (42.Kf2 Rc6+/-) 42...fe4 43.fe4 Bc2 (43...f6 44.Kf3+/-) 44.e5 Bb3 45.Kf3 Rc6 46.Qd8 (46.Ke3 Kf8+-) 46...Kg7+/- 47.Kf4 (47.Ke2!?+/-) 47...Rc4 48.Ke3 Rg4 (48...Rc3!? 49.Kf2 Be6 50.Qf6 Kh7+=) 49.Kf3 Be6 50.Qf6 (50.Qd6!?+/-) 50...Kh7 51.Kf2 Kh6?? (better 51...Rc4+/-) 52.Qh8 1-0. pacal56 (2125) - ToLazyToGetAName (2280), Rated Blitz game, lichess.org, 2014.

5.Nf3 Nc6 6.e3 d6 7.h3 Be6 (7...f5 8.a3 Ba5 9.Be2-/+) 8.Be2 (8.a3 Ba5-/+) 8...0-0 (8...Qe7 9.0-0=+) 9.0-0 (9.a3 Ba5=+) 9...d5-/+ 10.a3 Bd6 (10...Be7 11.cd5 Qd5 12.d4-/+) 11.cd5=+ Bd5 12.Nc3 Be6 (12...Ne7 13.Nd5 Nd5 14.Qb3=+) 13.d4 f5?? (better is 13...Bf5=+) 14.d5+- Bd5 15.Nd5 Ne5 16.a4 Nf3 17.Bf3 Be5 18.Rb1 c6 19.Nb4 Qe7 20.Qb3 Kh8 21.Rfd1 f6 22.Nd3 Rad8? 23.Qb7 Qb7 24.Rb7 Rc8 25.Rc1 c5 26.Rc5 Rc5 27.Nc5 Rd8 28.Ra7 g5 29.Rd7 Rd7 30.Nd7 Bc7 31.Nf6 h6 32.Nd5 Bd6 33.a5 Kg7 34.a6 Bb8 35.Nc7! Kf6 36.g4 f4 37.ef4 gf4 38.Kg2 Ke5 39.Nd5 Ba7 40.Ne7 Kd6 41.Nf5 Ke5 42.Nh6 Kf6 43.Ng8 Kg5 44.Ne7 Bc5 45.Nc6 Kf6 46.a7 Ba7 47.Na7 Kg5 48.Be4 Kf6 49.Kf3 Ke5 50.h4 Kf6 51.Kf4 Kf7 52.Kf5 Kg7 53.f4 Kf7 54.Bd5 Kg7 55.Nc6 Kf8 56.h5 Kg7 57.g5 Kh8 58.Kf6 Kh7 59.Be4 Kg8 60.f5 Kf8 61.g6 Kg8 62.h6 Kh8 63.Ke5 Kg8 64.f6 Kf8 65.Bd5 Ke8 66.g7 Kd7 67.f7 Kc7 68.h7 Kb6 69.h8Q Kb5 70.g8Q Kc5 71.f8Q Kb5 72.Qf1 Kb6 73.Qgg1 Kc7 74.Qd8 Kb7 75.Na5 (75.Qgb6) 1–0. gtate (1995) – nicoleskywalker (1875), net–chess.com, 2005.

5.Nf3 d5 6.e3 0-0 (6...Nc6 7.a3 Ba5 8.Qa4-/+) 7.Qb3=+ a5 8.cd5 Na6 (8...Bd6 9.Nc3=) 9.a3 Bd6 (9...Be7 10.d4=) 10.d4+= Bg4 (10...c6 11.dc6 bc6 12.Nbd2+=) 11.Nbd2 Rb8 (11...Bc8 12.Bb5+/-) 12.Be2 (12.Nc4 a4 13.Qa4 Bf3 14.gf3 Ra8+/-) 12...Qd7 13.0-0 b5 (13...Rfc8 14.Rfc1+/-) 14.Rfc1 (14.a4!?+/-) 14...a4+= 15.Qb2 b4?? (better 15...Rb6+=) 16.Ba6+- ba3 17.Qc2 Rb2 18.Qd3 Bf5 19.e4 Bg4 20.Nc4 Bf3 (20...Rb3 21.Rc3 f5 22.e5+- (22.Nd6?! Qd6 23.Ne5 fe4+-)) 21.Qf3 (21.gf3?! Bf4 22.Qf1 Bc1 23.Qc1 Rfb8 24.Na3 Qh3+/-) 21...Rb3 22.Qf6 Be7 23.Qe5 (23.Qf4 Qd8 24.Qg4 f5 25.ef5 Rf5+-) 23...Rfb8?? (better 23...Ra8+-) 24.d6! cd6 (24...cd6 25.Ra3 Decoy (25.Ra3 Interception); 24...Bd6 25.Nd6 Combination) 25.Qd5 Qa7 26.Qa5 (26.Nd6 Bd6 27.Qd6 R3b6+-) 26...d5 (26...R3b4 27.Na3 Bd8 28.Nb5 R4b5 29.Qb5 Rb5 30.Bb5+=) 27.ed5 Bd8? (27...Qd4 28.Qa4 Qa1 29.Ra1 Rb1 30.Qd1 a2-/+) 28.Qa4 Bf6 (28...Qd4 29.Ra3 Ra3 30.Qa3 Qd5 31.Ne3+-) 29.Ne5 (worse 29.Ra3 Ra3 30.Na3 Bd4+-; worse 29.Na3 R3b4 30.Qc6 Bd4+-) 29...R3b4 (29...Be5 30.de5 Rb2 31.Rf1+-) 30.Qa3 Qd4 (30...Rb3 31.Qa4 R3b4 32.Qa5+-) 31.Nc6 Qa1 (31...Qg4 32.h3 Qe4 33.Bd3+-) 32.Qa1 (better 32.Ra1 Ba1 33.Nb8 Rb1 34.Bf1 Rb8 35.Qa1+-) 32...Ba1 33.Nb4 (33.Ra1?! Rb1 34.Rb1 Rb1 35.Bf1 Rd1+-) 33...Bb2 34.Rc4 (better 34.Rc8 Rc8 35.Bc8 Ba3+-) 34...Ba3 35.Nc2?? (better 35.d6 Rb4 36.Rc8 Kg7 37.d7 Rb1 38.Bf1+-) 35...Rb1 36.Ne1 Re1 0-1. pacal56 (2220) - mecker (2145), Rated Blitz game, lichess.org, 2014.

4.d4 Bb4

5.c3 Ba5 6.e4 d5 7.Bb5 c6 8.Ba4 de4 9.Qe2? (better is 9.Bb3-+) 9...Qd4 10.Qc2 Qd3 11.Ne2 Na6 12.0-0 Nc5 13.Qd3 (13.Nd4-+) 13...ed3 14.Bc6 bc6 15.Nd4 Kd7 16.Rd1 Ba6 17.Nb3 Bb6 18.Nc5 Bc5 19.Nd2 Rhe8 20.Nb3 Ba3 21.Rab1 Re2 22.Nd2 Bc5 23.Nb3 Bf2 24.Kf1 Be3 25.Nd4 Ra2 26.Ra1 d2 27.Ne2 Ra1 28.Ra1 Re8 29.Rd1 Bh6 30.Kf2 Re2 31.Kf1 Re1 (31...Re1 32.Kf2 Rd1 33.Kf3 Rf1 34.Kg4 d1Q 35.Kg3 Bf4 36.Kh4 Qh5; 31...Be3 32.Rd2 Rd2 33.Ke1 Rc2 34.c4 Bc4 35.g4 Rc1) 0–1. grahamtrue (2180) – pierred (2815), net–chess.com, 2011.

5.c3 Ba5 6.Nf3 d5 7.e3 0-0 8.Bd3 c5 9.0-0 (9.dc5 Nd7 Decoy) 9...c4 10.Na3?? (better is 10.Bc2-/+) 10...cd3 11.Qd3 Nc6 12.h3 (12.c4 Bg4-+) 12...Bf5 13.Qd2 a6 14.Nh4 (14.Qb2 b5-+) 14...Qd6 15.Nf5 (15.Nc2 Bc7 16.Nf3 Be4-+) 15...Qa3 (15...gf5?! 16.Nc2-+) 16.Ng3 (16.Qc1 Qc1 17.Rfc1 gf5-+) 16...Bc3 17.Qc1 Bb2 18.Qd2 Ba1 19.Ra1 Rac8 20.Rb1 Rc7 21.Rb3 Qa5 22.Qa5 Na5 23.Rb2 Rfc8 24.Ne2 g5 25.Ng3 Rc1 26.Kh2 R1c2 27.Rc2 Rc2 28.Nf5 (28.Nh5 Rf2 29.a4 Rf1-+) 28...Kf8 29.Kg3 Ra2 0–1. mickeyd – pierred (2825), net–chess.com, 2016.

5.c3 Ba5 6.Nf3 d5 7.e3 Qe7?? 8.Bb5?? (better is 8.Qa4 Nc6 9.Bb5+-) 8...c6=+ 9.Ba4 b5 10.Bc2=+ Bg4 11.h3 Bf3 12.Qf3 0-0 13.0-0 Bc7 14.Nd2 Qd6 15.g3 Nd7 16.Qg2 f5 17.f4 Bb6 18.a4-/+ a6 19.ab5 ab5 20.Ra8 Ra8-+ 21.g4 fg4 22.Qg4 Ra2 23.Rc1 Nf6 24.Qc8 Kg7 25.Nf3 Qa3 26.Rf1 Rc2 27.Ne5 Qc3 28.Ng4 Ng4 29.hg4 Qe3 (29...Qe3 30.Kh1 Qh3 31.Kg1 Qg2) 0–1. presort – cindya, net–chess.com, 2006.

5.c3 Be7 6.e4 d5 7.Nf3 (better is 7.ed5!? Qd5 8.Qf3-/+) 7...de4-+ 8.Nfd2 f5 9.Bc4 0-0 10.Nf1 c5 11.Ne3 (11.d5 Bd6-+) 11...cd4 12.cd4 Bb4 13.Ke2 (13.Kf1-+) 13...f4 14.Nc2 (14.a3 Ba5 15.Kf1 fe3 16.fe3-+) 14...Bg4 15.f3 ef3 16.gf3 Re8 17.Kf2 Qh4 18.Kf1 Bh3 19.Kg1 Qg5 20.Kf2 Qg2 0–1. mickeyd – aperturaf (1800), net–chess.com, 2016.

4.d4 Bg7

5.c3 0-0 6.e3 d6 7.g3 Nc6 8.Bg2 f5 9.Ne2 g5 10.h4 h6 11.hg5 hg5 12.Qc2 Bd7 13.Nd2 Qf6 14.a3 Rae8 15.0-0-0 a5 16.b5 Na7 17.a4 c6 18.Rh5 cb5 19.ab5 Nb5 20.Nf3 g4 21.Nh4 Na3 22.Qb3 Nb5 23.Qd5 Bc6 24.Qb3 a4 25.Qb4 a3 26.Nf5 a2 27.Kb2 Ra8 28.Ng7?? Qg7?? 29.d5= Bd7 30.Rdh1 Rfc8 31.Rh8 Qh8 32.Rh8 Kh8 33.Ka1 Rc5 34.c4 Na3-/+ 35.Qb2 Kg8 36.Qa2 1–0. tyop (1690) – solaris8, kurnik, 2012.

5.c3 0-0 6.Nf3 d6 7.g3 Nd7 8.Bg2 f5 9.0-0 Qe7 10.e3 c6 11.Nbd2 Nb6 12.a4 c5 13.bc5 dc5 14.a5 Nd5 15.Nb3 cd4 16.cd4 Be6 17.Nc5 b6 18.ab6 ab6 19.Ra8 Ra8 20.Ne6 Qe6 21.Ng5 Qd6 22.Qb3 Ra5 23.Rb1 h6 24.Nh3 Kh7 25.Bd5 Rd5 26.Qb6 Qd7 27.Nf4 Rd6 28.Qb5 Qc7 29.Nd3 Qc2 30.Ne5 Be5 31.de5 Rd1 32.Rd1 Qd1 33.Kg2 Kg7 34.Qe8 g5 35.e6 Qd5 36.Kg1 fe6 37.Qe7 Kg6 38.Qe8 Kf6 39.Qh8 Kf7 40.Qh6 Qd1 41.Kg2 g4 42.Qh7 Kf6 43.Qh8 Ke7 44.Qg7 Kd6 45.Qf8 Ke5 46.Qc5 Kf6 47.Qd4 Qd4 48.ed4 e5 49.de5 Ke5 50.f3 Kf6 51.fg4 fg4 52.h3 Kg5 53.hg4 Kg4 54.Kf2 Kg5 55.Kf3 Kf5 56.g4 Kg5 57.Kg3 Kg6 58.Kh4 Kf6 59.g5 Kg6 60.Kg4 Kg7 61.Kf5 Kh7 62.Kf6 Kg8 63.Kg6 Kh8 64.Kh6 Kg8 65.g6 Kh8 66.g7 Kg8 67.Kg6 ½–½. joaquimbage – oldboy33, kurnik, 2012.

5.c3 b6 6.Nf3 Bb7 7.Nbd2 c5 8.e3 cd4 9.cd4 Nc6 10.b5 Nb4 11.Be2 0-0 12.0-0 a6 13.a3 Nd5 14.e4?? (14.Qb3 ab5 15.Bb5+/- (worse is 15.Qb5 Nc3 16.Qd3 Ne2 17.Qe2 Ba6-/+)) 14...Nc3-/+ 15.Qe1 ab5 (worse is 15...Ne4 16.ba6 Bd5 17.Ne4 Be4 18.Qc3=; 15...Be4?! 16.Ne4 Ne4 17.ba6=) 16.Nb3 Ne2 17.Qe2 Ba6 18.Rfe1= b4 19.Qd2 ba3 20.Ra3 f5 21.e5 Qe7 22.Raa1 Bc4 23.Ra8 Ra8 24.Nc1 Bd5 25.Nd3 Ra2 26.Qe3 b5 27.Nf4 Be4 28.d5? Ra3?? 29.Qd2?? Bf3-+ 30.gf3 Qg5 31.Kf1 Rf3 32.e6 de6 33.de6= fe6 34.Ne6?? Qd2-+ 35.Ng7 Qf2# 0–1. 55aa55 – neron35, kurnik, 2012.

5.c3 f5 6.e3 d5 7.Nf3 Qd6 8.Nbd2 f4 9.Bd3 fe3 10.Qe2 0-0 11.fe3 Re8 12.0-0 Bg4 13.h3 Bf3 14.Qf3 Qe6 15.e4 de4 16.Be4 c6 17.d5 cd5 18.c4 de4 19.Ne4 Ba1 20.Nc5 Bd4 21.Kh1 Bc5 22.bc5 Nc6 23.a4 Rf8 24.Qb3 Rab8 25.Qc3 Ne5 26.Re1 Rbe8 27.Kg1 f6 28.Qb4 Nf3 29.Kh1 Qe1 30.Qe1 Re1 0–1. joaquimbage – wildwoodz, kurnik, 2012.

4.e3?? Bb4-/+

5.c4 0-0 6.h4 d5 (6...d6 7.a3 Ba5 8.h5-/+) 7.h5 (7.Qb3 Bd6+=) 7...dc4 8.Bc4 Be6?? (better is 8...g5-/+) 9.Be6+/- fe6 10.Qb3 (better is 10.hg6 h6 11.Rh6+-) 10...Qd6= 11.hg6 hg6 12.Nc3 (12.Ne2 Rd8 13.Nf4 Bd2 14.Nd2 Qd2 15.Kf1 Qd6 16.Ne6 Qa6 17.Kg1 Rd3+-) 12...Nc6 13.Ne4 (better is 13.a3!? Bc3 14.Qc3+=) 13...Qd5-/+ 14.Qd5 ed5 15.Nc3 Rad8 16.Rb1 d4 17.ed4 Rfe8 18.Kf1 Rd4 19.a3 Bc3 20.dc3 Rd2 21.Rb7?? (better is 21.Rh4-+) 21…Rd1 0–1. Kardasz,Pawel – Iwancio,Lukasz (2015), Druzynowe Mistrzostwa Polski Niewidomych Poland, 2008.

5.Bc4 0-0 6.Nf3 d5 7.Bd3 c5 8.c3 Ba5 9.Qc2 Nc6 10.0-0 Bg4 11.Na3 (11.Be2 Ne5-/+) 11...Bf3-+ 12.gf3 Bc7 13.Nb5 a6 (13...Bb8 14.Be2-+) 14.Nc7-/+ Qc7 15.f4 d4 (15...Rfe8 16.Rfb1-/+) 16.Kh1 Qd6 17.Rg1 Qd5 (17...Rad8!? 18.cd4 Nb4-/+) 18.Be4=+ Qh5 19.cd4 cd4 20.f5 Rac8 (20...Rfc8 21.Qb3 Qh4 22.f4 de3 23.fg6 hg6 24.Rg6 Kf8 25.Qa3 Ne7 26.Rg2+/-) 21.Rg3 (21.Qb3 de3 22.de3 Ne5 23.fg6 hg6 24.Qb7 Rfd8=) 21...Ne5 (21...de3 22.fe3 Nd4 23.Qd3=) 22.Qd1 Qd1 23.Rd1 de3 (23...Nc6 24.ed4 Rfd8 25.d5=+) 24.fe3 b6 25.d4 Rfd8 26.Bb7 Rc2 27.fg6 hg6 (27...fg6 28.Rb1 Nc4 29.Ba6 Rd6=) 28.Rdg1 (better 28.Rb1!? Nc4 29.Ba6=) 28...Nd3-/+ 29.R3g2? (29.Rb1!? Ra2 30.Rb6-/+) 29...Nf2-+ 30.Rf2 Rf2 31.Ba6 (31.Rg2 Rf1 32.Rg1 Rg1 33.Kg1 a5-+) 31...Ra2 32.Bc4 Ra3 (better 32...Rc2 33.Bd3 Rd2 34.Bb5-+) 33.Rb1?? (better 33.Rg6 Kh7 34.Rg3-+) 33...Re3 34.Rb6 Rd4 35.Bf1 Re1 (35...f5!? 36.Rb2-+) 36.Rf6 Kg7 37.Rf2 Rdd1 38.Kg2 Rf1! 39.Rf1 Rf1 40.Kf1 Kf6 41.Kf2 Kg5 42.Kg3 f5 43.Kf3 Kh4 44.Kg2 g5 45.h3 (45.Kg1 Kh3 46.Kh1 g4-+) 45...f4 46.Kh2 f3 47.Kg1 Kh3 48.Kf2 g4 49.Kg1 g3 50.Kf1 Kh2 (50...f2 51.Ke2 Kg2 52.Kd3 Kf3 53.Kc4 f1Q 54.Kb4 g2 55.Kc3 g1Q 56.Kb4 Qd4 57.Ka5 Qfa1 58.Kb5 Qaa4) 51.Ke1 g2 (better 51...Kg1-+) 52.Kf2 g1Q 53.Kf3 Qe1 54.Kf4 Kg2 55.Kf5 Kf3 56.Kg5 (56.Kg6 Qe7 57.Kf5 Qe4 58.Kf6 Kf4 59.Kg7 Ke5 60.Kf7 Qh7 61.Ke8 Ke6 62.Kd8 Qd7) 56...Qe5 (56...Qe6 57.Kh5 Qg8 58.Kh6 Kf4 59.Kh5 Qg5) 57.Kg6 Kg4 58.Kf7 Qd6 (58...Kg5 59.Kg8 Qe7 60.Kh8 Kf6 61.Kg8 Qg7) 59.Kg7 Kg5 60.Kf7 Qd7 61.Kf8 Kg6 62.Kg8 Qe8 0-1. eem63 (1760) - Prof_George (2170), Hourly Rapid Arena, lichess.org, 2019.

4.e3 Bg7

5.a3 Nc6 6.c3 d5 7.d4 0-0 8.Nd2 f5 9.Be2 Qd6 10.Ngf3 f4 11.e4 de4 12.Ne4 Qe7 13.Nc5 b6 14.Nd3 g5 15.0-0 f6 (15...a6 16.Re1+=) 16.Qb3 Be6 17.d5 Bf7 18.Rfe1 Nd8 19.c4 f5 20.Rad1 g4 21.Nd2 f3 22.Bf1 Qg5 23.g3 h5 24.Nf4 h4 25.Nb1 hg3 26.fg3 c6 27.dc6 Nc6= 28.Nc3? b5?? 29.Nb5+/- 1–0. lican – czeg0ochc3sz, kurnik, 2012.

5.c3 0-0 6.d4 a5 7.Qb3 ab4 8.Qb4 b6 9.Nf3 d6 10.Qb3 c5 11.Be2 Bg4 12.Nbd2 Nc6 13.h3 Be6 14.Qc2 d5 15.a4 c4 16.0-0 h6 17.Nh2 f5 18.Bf3 Ra5 19.Nc4 dc4 20.Bc6 Qc7 21.Bb5 Rfa8 22.Qe2 Bd5 23.f3 Bc6 24.Bc4 b5 25.Bd3 ba4 26.e4 fe4 27.Be4 a3 28.Bc6 Qc6 29.c4 Ra4 30.d5 Qc4 31.Qc4 Rc4 32.Rfb1 Ba1 33.Ra1 Rd4 34.Ng4 Kg7 35.Ne3 Rd3 36.Kf2 a2 37.Ke2 Raa3 38.g4 Re3 39.Kd2 Rf3 40.Kc2 Rh3 41.Kb2 Ra4 42.Ra2 Ra2 43.Ka2 Rd3 44.Kb2 Rd5 0–1. joaquimbage – aidi2007, kurnik, 2012.

5.c3 0-0 6.d4 d6 7.Nf3 Bg4 8.Be2 Nc6 9.Nbd2 Re8 10.0-0 Qc8 11.Nh4 Be2 12.Qe2 f5 13.Nhf3 Ne7 14.a4 b6 15.c4 c5 16.bc5 dc5 17.d5 Ba1 18.Ra1 Qd7 19.Qd3 Qd6 20.Rf1 Nc8 21.h3 Kg7 22.Nh2 f6 23.Ndf3 h5 24.Nh4 Re4 25.f3 Rh4 26.g3 Qg3 27.Kh1 Rh3 28.Qe2 Nd6 29.Qg2 Qh4 30.Rg1 g5 31.f4 g4 32.Qb2 Nc4 33.Qb5 Rh2 0–1. joaquimbage – a123z456, kurnik, 2012.

5.c3 d6 6.d4 0-0 7.Nd2 a5 8.a3 ab4 9.ab4 Ra1 10.Qa1 Nc6 11.Ne2 Ne7 12.g3 c5 (12...c6 13.Bg2=) 13.Bg2+= cb4 14.cb4 Qb6 15.Qa5 Qa5 16.ba5 Nc6 (16...d5!?+/-) 17.Nc4+- Be6? (17...Rd8 18.Nc3+-) 18.Nd6?? (better 18.d5+-) 18...Na5+/- 19.Nb7 Nb7 20.Bb7 Rb8 21.Bf3 Rb1 (21...Rb2!?+/-) 22.Kd2+- Rb2 23.Kc3 Ra2 24.Rb1 h6 25.h4 f5 26.Rb2 Ra1 27.Nf4 Ra3 28.Kd2 (28.Kb4 Bf8 29.Kb5 g5 30.hg5 hg5+-) 28...Bc4? (better 28...Bd4!? 29.Rb8 Kh7 30.ed4 Rf3+/-) 29.Bd5+- Ra2?? (better 29...Bd5 30.Nd5 Ra5 31.Ne7 Kf8+-) 30.Ra2 (30.Ra2 Ba2 31.Ba2+-; 30.Bc4?! Rb2 31.Ke1 Kf8=) 1-0. Bostonbliz (2615) - almasssss (2390), Casual Bullet game, lichess.org, 2022.

5.c3 f5 6.d4 0-0 7.Nf3 c6 8.c4 a5 9.Qa4 b6 10.ba5 Ra5 11.Qb4 Na6 12.Qd2 c5 13.Be2 cd4 14.Nd4 Nc5 15.Nc3 Bb7 16.0-0 Ne4 17.Ne4 Be4 18.Nb5 Ra8 19.a4 d5 20.Bd3 dc4 21.Nc3 cd3 22.Ne4 fe4 23.h3 Ba1 24.Ra1 Qf6 25.Rb1 Ra4 26.Qd1 Raa8 27.Rb4 Qc6 28.Qb1 Rab8 29.g3 Rfc8 30.Kg2 b5 31.Rd4 Re8 32.Qb4 Ra8 33.Rd6 Qc4 34.Qb1 b4 35.Rd4 Qc3 36.Rb4 Rad8 37.Rd4 Rd4 38.ed4 Qd4 39.Qd1 d2 40.h4 Rc8 41.Qg4 Rc1 42.Qf4 d1Q 43.Qb8 Kg7 44.Qf4 Qf1 45.Kh2 Qh1 0–1. joaquimbage – salutrio, kurnik, 2012.

5.Nc3 0-0 6.a4 c6 7.Nf3 d6 8.h3 Be6 9.Bd3 Nd7 10.0-0 b6 11.b5 c5 12.Rb1 f5 13.e4 f4 14.Nd5 Bd5 15.ed5 Ne5 16.Be4 Rb8 17.Nh2 f5 18.Bf3 Nc4 19.Re1 Ne5 20.c3 Re8 21.d4 cd4 22.cd4 Nc4 23.Re8 Qe8 24.Qc1 Rc8 25.Qf4 Na3 26.Rb3 Nc4 27.Nf1 Qe7 28.Ne3 Nd2 29.Rb2 Rc1 30.Kh2 Nf1 31.Nf1 Rf1 32.Re2 Qd7 33.Re6 Re1 34.Rd6 Qc7 35.h4 Bd4 36.Rg6 hg6 37.Qc7 Kh8 38.Qa7 Kg8 39.Qb8 Kg7 40.Qc7 Kh6 41.Qf4 Kh7 0–1. riditko – dan48, kurnik, 2012.

5.c4 0-0 6.Nc3 Re8 7.Nge2 (7.d4 f5 8.Nge2 d6=) 7...f5 8.Rc1 d6 9.d4 a5 10.b5 Nd7 11.g3 Nf6 12.Bg2 Rb8 13.Qa4 b6 14.Nf4 Bb7 15.0-0 Bg2 16.Kg2 Qd7 17.h4 (17.h4 Ng4 18.Ncd5+=) 1-0. bocaelmasgrande - karpasov (2630), net-chess.com, 2022.

5.d4 0-0 6.c3 a5 7.Qa4 b6 8.Nf3 Bb7 9.Be2 ab4 10.Qb4 Na6 11.Qb2 c5 12.0-0 cd4 13.cd4 d5 14.Nbd2 f5 15.a4 Nc5 16.h3 Ne4 17.Qb3 Rc8 18.a5 Nd6 19.Qb6 Qb6 20.ab6 Rb8 21.Ba6 Ba6 22.Ra6 Nc8 23.Rb1 Rb7 24.Ra8 Nd6 25.Ra7 Rfb8 26.Rb7 Rb7 27.Kf1 Nc8 28.Ke2 Rb6 29.Rb6 Nb6 30.Nb3 Nc4 31.Nc5 f6 32.Kd3 Bf8 33.Ne6 Be7 34.Nf4 Nb2 35.Kc3 Nd1 36.Kd2 Nf2 0–1. joaquimbage – mike39, kurnik, 2012.

5.d4 0-0 6.Nd2 d6 7.Ngf3 c5 8.bc5 dc5 9.c3 cd4 10.cd4 Qa5 11.Be2 Be6 12.0-0 Nd7 13.Nb3 Qa3 14.Qc1 Qe7 15.Qc7 b6 16.Bb5 Rfc8 17.Qb7 a6 18.Bd7 Qd7 19.Qd7 Bd7= 20.Rac1 f5 21.Rc8 Rc8 22.Rc1 Rc1 23.Nc1 b5 24.Kf1 b4 25.Ke1 a5 26.Kd2 a4 27.Kc2 Bb5 28.Nd3 Bf8 29.Nd2 f6 30.Nc5 Kf7 31.Kb2 Bc5+= 32.dc5 Ke6 33.a3 b3 34.Nb3 ab3 35.Kb3 Kd5 36.Kb4 Bf1 37.g3 g5 38.a4 Kc6 39.a5 Kb7 40.Kc3 Kc6 41.Kd4 Kb5 42.Kd5 Ka5 43.Kd6 Bg2 44.c6 Kb6 45.c7 Bb7 46.Kd7 Kc5 47.c8Q Bc8 48.Kc8 Kd5 49.Kd7= Ke4 50.Ke6+- Kf3?? 51.Kf6 Kf2 52.Kf5 Kg2 53.Kg5 Kh2 54.g4 Kg3 55.e4 h6 56.Kf5 Kf3 57.e5 h5 58.gh5 Kg3 59.h6 Kf3 60.h7 Ke3 61.h8Q Kd4 62.Qd8 Ke3 63.Qd5 Kf2 64.Qb3 Ke2 65.Kf4 Kf2 (65...Kd2 66.e6 Ke2 67.Qc2 Ke1 68.Ke3 Kf1 69.Qf2#) ½–½. emeryt85 – vasek23 (1625), kurnik, 2011.

5.d4 f5 6.b5 a6 7.Nf3 ab5 8.Bb5 c6 9.Bc4 b5 10.Bb3 d5 11.Nbd2 Nd7 12.c3 0-0 13.0-0 Nb6 14.Re1 Nc4 15.h3 Qc7 16.Qc2 f4 17.Nf1 fe3 18.Ne3 Bd7 19.Bc4 bc4 20.Nf1 Rfe8 21.Ng3 Re1 22.Ne1 Re8 23.Nf3 Qf4 24.a4 Qc7 25.a5 Ra8 26.a6 Qb6 27.a7 Ra7 28.Rb1 Qc7 29.Re1 Qd8 30.Ne5 Be5 31.Re5 f6 32.Re1 Be8 33.Qc1 Re7 34.Rf1 Re6 35.Qf4 Qe7 36.Qg4 Re1 37.Qc8 Rf1 38.Nf1 Kg7 39.g3 Bd7 40.Qa6 Bh3 41.Qc6 Qe2 42.Qc7= Kh6 43.Qf4 Kg7 44.Qc1?? Bf1-+ 45.Qf1 Qf1 46.Kf1 h5 47.Ke2 g5 48.Ke3 f5 49.f3? Kf6 50.Ke2? f4 51.g4 hg4 52.fg4 Ke6 53.Kf3 Kd6 54.Ke2 Kc6 55.Kf3 Kb5 56.Kf2 Ka4 57.Ke2 Ka3 58.Kd2 Kb3 59.Ke2 Kc3 60.Kf3 Kd4 61.Kg2 Ke3 62.Kh3 Kf3 63.Kh2 Kg4 64.Kg2-+ f3 65.Kf2 d4 66.Kf1 c3 67.Ke1 ½–½. wojtekkk – mondero, kurnik, 2011.

5.d4 f5 6.c3 0-0 7.Be2 d5 8.Nf3 b6 9.a3 c5 10.bc5 bc5 11.0-0 Nc6 12.Nbd2 Rb8 13.a4 a5 14.Bb5 Qc7 15.h3 Bd7 16.Qb3 Na7 17.Qd5 Nb5 18.ab5 Rb5 19.Qc4 Rfb8 20.Qa2 cd4 21.cd4 Be6 22.Qa3 Bf8 23.Qa4 Bb4 24.Rfc1 Qb7 25.Qd1 Be7 26.Ne5 Rb2?? 27.Nc6 Ra8 28.Ne7 Qe7 29.Nf3 Qb4 30.Ne5 a4?? 31.d5 Bc8?? 32.d6 Rd2? 33.Qf3?? Bb7=+ 34.Qg3 Qd6 35.Nc4?? Qg3-+ 36.fg3 Rd3 37.Ne5? Rd2 38.Rc7?? Bg2 39.Nf7 Bh3 40.Nh6 Kf8 41.Nf7? a3 42.Ne5? a2 43.Rh7 Rad8 44.Rh8+= Kg7 45.Rd8 Rd8 46.Kh2. wojtekkk – mar30max, kurnik, 2012.

5.d4 f5 6.c3 Nc6 7.Be2 0-0 8.Nf3 d5 9.0-0 Be6 10.Nbd2 a6 11.a4 b5 12.a5 Ne7 13.h3 f6 14.Nb3 Qd7 15.Nc5 c6 16.Nd7 Bd7 17.Qc2 1–0. joaquimbage – calipso11, kurnik, 2012.

5.Be2 0-0 6.c3 f5 7.Nf3 Re8 8.0-0 b6 9.d4 Bb7 10.a4 d6 11.Na3 Nd7 12.Nc4 Nf6 13.a5 Ne4 14.Qc2 Qd7 15.ab6 ab6 16.Ra8 Ra8 17.h3 h6 18.Nfd2 Nd2 19.Nd2 Qe6 20.Nf3 Bf3 21.Bf3 Ra2 22.Qd3 Qb3 23.Rb1 Rb2 24.Rb2 Qb2 25.Qc4 Qa1 26.Kh2 Qa7 27.Qc6 Qb8 28.Bd5 Qd8 29.c4 Bf6 30.b5 Kg7 31.g3 Qe7 32.Qb7 g5 33.Kg2 h5 34.Qc8 Kg6 35.f3 Bg7 36.e4 fe4 37.Be4 Kh6 38.g4 hg4 39.Qg4 Bd4 40.Qf5 Kg7 41.Qh7 Kf8 42.Kg3 Bg7 43.Kg4 Qf6 44.Qf5 Qf5 45.Kf5 f6 46.Bd5 Ke7 47.f4 gf4 48.Kf4 Bh6 49.Kf5 Bd2 50.h4 Bh6 51.h5 Bd2 52.Kg6 Be3 53.h6 Bh6 54.Kh6 f5 55.Kg6 f4 56.Kg5 f3 57.Bf3 Ke6 58.Bd5 Ke5 59.Kg6 Kd4 60.Kf7 Kc5 61.Ke7 Kb4 62.Kd7 Kc5 63.Kc7 Kd4 0–1. riditko – cheops2nd, kurnik, 2012.

5.Qf3 0-0 6.Nc3 d6 7.h4 Be6 8.g4 Nc6+= 9.d4 Nb4 10.Kd2 c5 11.a3 cd4 12.ab4 dc3 13.Kc3?? f5 14.Kd2 Ba1 15.h5 fg4 16.Qf4 Qc7 17.hg6 Qc3 18.Kc1 fg6 19.Ne2 Qb2 20.Kd2 Bb3 21.Nd4 Rf4 22.ef4 Qd4 23.Kc1 Qc3 24.Bd3 Qb2 25.Kd2-+ Rc8 26.Rc1 Qc3 27.Kd1 Bb2 28.Rb1 Bc2 29.Bc2 Qc2 30.Ke1 Qb1 31.Ke2 Rc2 32.Ke3 Qe1 33.Kd3 Rd2 34.Kc4 Qf2 35.Kb5 Qb6 36.Kc4 Rd4 37.Kb3 a5 38.f5 Qb4 39.Kc2 Qc3 40.Kb1 Rd1 41.Ka2 Qa3# (41...Ra1#) 0–1. dragonre – geoteo, kurnik, 2012.

5.Nf3 0-0 6.c3 d6 7.d4 f5 8.g3 b6 9.Bg2 Bb7 10.0-0 Nd7 11.Nbd2 Rb8 12.a4 c5 13.b5 cd4 14.cd4 Bf3 15.Nf3 Qf6 16.Rc1 Rfd8 17.Qb3 Qe6 18.Qe6 fe6 19.Ng5 e5 20.de5 Ne5 21.Bc6 Nc6 22.Rc6 d5 23.Ne6 Re8 24.Nc7 Re7 25.Nd5 Rd7 26.Nf4 Bh6 27.Ne6 Re8 28.Nd4 Bg7 29.Rfc1 Bd4 30.ed4 Rd4 31.Rc7 Ra4 32.Rd1 a6 33.Rdd7 ab5 34.Rh7 Rae4 35.Rcg7 Kf8 36.Rg6 R4e7 37.Re7 Re7 38.Rb6 Re5 39.f4 Rc5 40.Kg2 Ke7 41.Kh3 Kd7 42.Kh4 Kc7 43.Re6 Kd7 44.Re5 Re5 45.fe5 Ke6 46.Kg5 Ke5 47.h4 b4 48.h5 b3 49.h6 b2 50.h7 b1Q 51.h8Q Ke4 52.Qe8 Kf3 53.Qc6 Kg3 54.Qc3 Kf2 55.Qd4 Ke2 56.Qc4 Qd3 57.Qc3 Qc3 0–1. joaquimbage – bagja, kurnik, 2012.

4.e4?? Bb4-/+

5.a3 Ba5 6.c3 0-0 7.Nf3 Re8 8.Qb3 (8.Qa4!? c6 9.Be2-+) 8...d5-+ 9.Be2 (9.d4 de4 10.Nfd2 e3-+) 9...de4 10.Nd4 c5 11.Bb5 (11.Nc2-+) 11...cd4 12.Be8 Qe8 13.cd4 Nc6 14.Nc3 (14.d5 Nd4 15.Qa2 Bh3-+) 14...Nd4 15.Qd5 (15.Qb2 Qe6 16.0-0 Bc7-+) 15...Nc2 16.Ke2 (16.Kd1 Na1 17.Qa5 Bg4 18.Ke1-+) 16...Bg4 17.f3 (17.Kf1 Bc3 18.Rb1 Rd8 19.Qd8 Qd8 20.dc3 e3-+) 17...ef3 18.Kd3 Bf5 19.Ne4 (19.Qf5 gf5 20.Kc2 Bc3 21.dc3 Qa4 22.Kb2-+) 19...Be4 20.Kc4 (20.Qe4 Rd8 21.Kc4 Qa4 22.Kc5 Bb6) 20...Bd5 21.Kd5 Qc6 0–1. mickeyd – pcmvr, net–chess.com, 2016.

5.c3 Ba5 6.c4 Qe7-+ 7.Nc3 (7.Qc2 f5-+) 7...Bc3 8.dc3 Qe4 9.Ne2 0-0 10.f3 (10.Qd5 Qe7-+) 10...Qc4 11.Qd2 Re8 12.g4 b5 13.Kf2 Nc6 14.Nc1 d5 (better is 14...Qc5 15.Kg2 Ne5-+) 15.Bc4+- (15.Bc4 dc4 16.Qd5+-) 1–0. nando (2145) – croach (2375), net–chess.com, 2016.

5.c3 Ba5 6.Bc4 0-0 7.Ne2 f5-/+.

5.c3 Bf8 6.d4 d5 7.Bd3 de4=+.

5.Bc4 0-0 6.c3 Ba5 7.Ne2 c6-/+.

5.Bc4 a6 6.c3 Be7 7.Nf3 b5=+.

5.Bc4 c6 6.Qf3 0-0 7.c3 Be7-/+.

5.Bc4 Qe7 6.Qe2 0-0 7.c3 Ba5-/+.

5.c3 Be7

6.Bc4 0-0 7.Qf3 c5-/+.

6.Bc4 c6-/+ 7.Nf3 b5-/+.

6.d4 0-0 7.Bd3 (7.Qf3 Re8=+) 7...Nc6 (7...d5 8.Qb3-/+) 8.f4 (8.Qb3 Re8-/+) 8...d6 (8...d5 9.Qf3-/+) 9.h3 (9.d5 Na5=+) 9...Re8 (9...d5 10.Qf3-/+) 10.g4 (10.d5 Na5-/+) 10...Bf8 (10...d5 11.Ne2-+) 11.Nd2 d5 12.e5? fe5-+ 13.fe5 Qh4 14.Kf1 f6 15.Ngf3 Qg3 16.Qb3 Be6 17.Ke2? Qg2-+ 18.Ke3 fe5 19.Rag1 Qh1 20.Rh1+/- e4 21.Ng5 ed3 22.Ne6+= Re6 23.Kd3 Ne7 24.Qb7+- Re8 25.Qc7 Nc6? 26.Qd7 Re3 27.Kc2 R8e6 28.Qd5 Kg7 29.Rf1 Ba3 30.g5 Be7 31.h4 Nd8 32.Qd7 Ra6 33.a4 Rc6 34.c4 Re2 35.c5 Rce6 36.d5 R6e5 37.c6 Nc6 38.Qc6 h6 39.Qe8 Rf5 40.gh6 Kf6 41.Qh8 Kf7 42.Rf5 gf5 43.Qg7 Ke8 44.Qg6 Kd8 45.Qf5 Bb4 46.Qg5 Kc7 47.Qf4 Bd6 48.Qc4 (48...Kd8 49.Qe2+-) 1–0. badboy1221 – SACR, caissa.com, 2005.

6.d4 d5 7.Bd3-/+.

6.Qf3 Nc6-/+.

6.Nf3 d5 7.ed5 Qd5 8.c4 (8.d4 0-0-/+) 8...Qd8 (8...Qd7 9.Be2-/+) 9.a3 (9.Be2 0-0-/+) 9...0-0 10.d4 (10.Be2 Re8-/+) 10...Nc6 11.h3 (11.Be2 Bg4 12.d5 Na5-/+) 11...Re8 12.Be2 f5 13.0-0 (13.d5!? Bf6 14.Ra2-/+) 13...Bf6-+ 14.Nc3 (14.Ra2 Nd4 (14...Bd4 15.Rd2 Qe7 16.Nd4 Nd4 17.Rd4 Qe2 18.Qe2 Re2 19.Nc3=+) 15.Rd2 Ne2 16.Re2 Re2 17.Qe2 Be6-+) 14...Nd4 15.Nd4 Qd4 16.Nd5? (16.Rc1 Qd1 17.Bd1-+ (17.Nd1?? Re2 18.Nc3 Bc3 19.Rc3 c5-+)) 16...Qa1 17.Qa1 Ba1 18.Ra1 Re2 19.Nf6 Kg7 20.Nd5 c6 21.Nf4 Re4 22.Nd3 Rc4 23.Ne5 Re4 24.Nf3 Be6 25.Ng5 Rd4 26.Ne6 fe6 0–1. Aannevik,Bjarne – Yeung,Chun Keung (1740), corr ICCF WSTT/3/06/1, 2006.

4.e4 Bg7

5.d4 0-0 6.c3 d6 7.Nf3 Re8!?=+.

5.d4 b6 6.Bd3 Bb7 7.f3 (7.Nf3 Qe7 8.0-0 Qb4= (8...Be4?? 9.Be4 Qe4 10.Re1+-)) 7...0-0 (7...f5 8.Qe2 Nc6 9.c3 Nd4 10.Qe3-/+) 8.Ne2 (8.c3 Re8 9.Ne2 d5=) 8...Re8 (8...f5 9.0-0 fe4 10.fe4+=) 9.Nd2 d5 10.0-0 de4 11.Be4 (11.fe4 f5 12.e5 c5 13.bc5 bc5+=) 11...Be4 (11...Ba6 12.c4 c6 13.b5+=) 12.Ne4 (12.fe4 Bh6=) 12...f5+= 13.Nf2 (13.N4g3 c5 14.bc5 bc5+=) 13...c5 (13...Qe7 14.Re1 Qb4 15.c3-/+) 14.bc5 bc5 15.c3 cd4 (15...Qd5 16.dc5 Qc5 17.Re1+=) 16.Nd4= (worse is 16.cd4 Nc6-/+) 16...Bd4 17.cd4 (17.Qd4 Nc6 18.Qf4 Qa5=) 17...Nc6 (17...Re6=) 18.Re1 (better is 18.d5!? Ne5 19.Rc1+=) 18...Qd4-/+ 19.Qd4 Nd4 20.Re8 Re8 21.Kf1 Kg7 22.Re1 Re6 23.Nd3 a5 24.Nc5 Re1 25.Ke1 Kf6 26.f4 Ke7 27.Kd2 f6 (27...Ne6 28.Nd3-/+) 28.Kd3+= Ne6 (better is 28...Nc6+=) 29.Ne6+- Ke6 30.Kc4 g5 31.g3?? (31.Kb5 Kd5 32.Ka5 Ke4+-) 31...h5?? (31...Kd6 32.Kb5 Kd5 33.Ka5 gf4 34.gf4+=) 32.Kb5?? (better is 32.a4+-) 32...h4?? (better is 32...Kd5 33.Ka5 Ke4+=) 33.Ka5+- Kd5 34.Kb5 Ke4 35.a4 Kf3 36.a5 g4 (36...h3 37.a6 Kg2 38.a7 Kh2 39.a8Q+-) 37.a6 (better is 37.gh4 Kg2 38.h5 Kh2+-) 37...hg3 (37...h3 38.a7 Kg2 39.a8Q Kh2 40.Qd5 Kg3 41.Qf5+-) 38.hg3 Kg3 39.a7 Kf4 40.a8Q g3 41.Kc4 Kg4 (41...Ke3 42.Qa3 Kf4 43.Qd6 Kg4 44.Qf6+-) 42.Kd3 Kh3 (42...Kf4 43.Ke2+-) 43.Qh1 (43.Ke3 Kg4 44.Qg8 Kh5 45.Kf4 Kh6 46.Kf5 g2 47.Qg6) 43...Kg4+- 44.Ke2 f4 45.Qf3 Kg5 46.Kf1 (46.Qd5 Kh6+-) 46...Kf5 47.Qd5 Kg4 48.Kg2 f5 49.Qg8 Kh4 (49...Kh5 50.Kf3 Kh6 51.Kf4 g2 52.Kf5 g1Q 53.Qh8) 50.Qg6 (50.Qg6 f3 51.Kf3 f4 52.Qg4) 1–0. may – vitorcosta, net–chess.com, 2018.

4.g3 Bg7

5.c3 0-0 6.Bg2 c6 7.a4 d5 8.Na3 a5 9.Nc2 ab4 10.Nb4 Na6 11.Qb1 Bf5 12.Nd3 (12.d3 Re8-/+) 12...Qc7 (12...Nc5! 13.Bh3 Nd3 14.ed3 Bh3 15.Nh3-+) 13.Bh3 Be4 14.f3 Bd3 15.ed3 Rfe8 16.Kf2 Qe5 (16...Nc5!?-+) 17.Bf1 Qg5 (17...d4 18.Ne2-/+) 18.Qb2 (better is 18.f4!? Qg4 19.Bh3=) 18...Nc5 19.a5 f5 (19...b5 20.f4 Qf5 21.d4 Nd3 22.Bd3 Qd3 23.h4-+) 20.f4 (20.d4 Ne6=+) 20...Qe7 (20...Qd8!?-/+) 21.Nf3 Na6 (21...d4!? 22.Nd4 Qd8=+) 22.d4= Rab8 23.Bd3 c5 24.Rhe1 Qc7 25.Re8 Re8 26.Ne5 (26.Ba6!? ba6 27.Qb6+=) 26...cd4 27.cd4 Rb8 28.Qb3 Qd6 29.Rb1+/- Nc7 30.Qb6 Qb6 31.Rb6 Ne6 32.Ke3 Ra8 33.a6 ba6= 34.Ba6 g5 35.Bd3 gf4=+ 36.gf4 Bh6 37.Bf5 Bf4 38.Ke2?? Nd4-+ 39.Kd1 Be5 40.Bd7 Ra1 (41.Rb1 Rb1) 0–1. audrey – Gebhard, Live Game Caissa's Web, 2004.

5.Bg2 f5 6.c3 d5 7.d4 Be6 8.Nd2 Nd7 9.Rb1 b6 10.e3 0-0 11.Ne2 a5 12.a3 ab4 13.ab4 Ra3 14.0-0 Qa8 15.Rb3 Rb3 16.Nb3 Nf6 17.Qa1 Qa1 18.Ra1 Ne4 19.Be4 fe4 20.Ra7 Rc8 21.f4 Bg4 22.Nec1 Bf6 23.Kf2 h5 24.Ne2 Bd8 25.Ng1 Kg7 26.h3 Bf5 27.h4 Bg4 28.Kg2 Bd1 29.Nc1 f5 30.Nh3 Bg4 31.Ng5 Bg5 32.hg5 Bf3 33.Kh2 Kf7 34.Kh3 Ke6 35.Kh4 Kf7 36.Na2 Kg7 37.Nc1 Bg4 38.Nb3 Bd1 39.Nd2 Bc2 40.c4+/- dc4? 41.Nc4+- Bb3 42.Nd6 Rd8 43.Rc7 Kf8 44.Rf7?? Kg8 45.Rf6+- Kg7 46.Nb5 Bc4 47.Nd6?? Be2 48.Nb7 Ra8 49.Rb6 Ra1 50.Kh3?? Bg4 51.Kg2= Ra2 52.Kf1 Bh3 53.Ke1+/- Rg2 54.Nd6 Rg3 55.Rb7 Kf8 56.b5?? Re3= 57.Kd2 Rd3 58.Kc2 Bg4?? 59.Rb8?? Ke7= 60.Nc8 Kd7-/+ 61.Na7 Bd1 62.Kb2 Rd2 63.Kc3 Rd3 64.Kc4 Be2 65.Kd5 h4 66.Rb7 Ke8 67.Rb8 Kd7 68.Rb7 Ke8 69.Rb8 Kd7 70.Rb7 Ke8 71.Rb8 Kf7 72.Rb7 Kg8 73.Rb8 Kf7+- 74.Rb7 Ke8+/- 75.Rb8 Kd7 76.Rb7 Kd8?? 77.Rb8 Kc7 78.Rh8 h3 79.Rh7 Kb6-/+ 80.Ke6? Rd4 81.Kf6?? Rd6 82.Ke7 Rd3 83.Nc8 Kb5 84.Kf6 Bh5 85.Rb7 Kc6 86.Rb6 Kc7 87.Re6 Kc8 88.Re4 fe4 89.Ke5 h2 90.Ke4 h1Q 91.Kd3-+ Qf3 92.Kd4 Qf4 93.Kc3 Qg5 94.Kb4 Qd5 95.Kc3 Be2 96.Kb4 Qc4 97.Ka5 Qb5# 0–1. baudrey – jesperlevin, Live Game Caissa's Web, 2004.

3.g3 Bg7

4.a3 (--> 3.a3 Bg7 4.g3).

4.b5 c6 5.a4 Qb6 6.e3 0-0 7.c4 d5 8.Nc3 dc4 9.Bc4 cb5 10.Bb5 a6 11.Be2?? Qb2-+ 12.Rb1 Qa3 13.Rb3 Qd6 14.Bf3 Nc6 15.Nge2 Ne5 16.Bg2 Nd3 17.Kf1 Ng4 18.Ne4 Qd8 19.h3 f5 20.Ng5 Ngf2 (20...Ngf2 21.Qc2 e6-+) 0–1. mic (2200) – jvanmechelen (2465), net–chess.com, 2008.

4.Nf3 0-0 5.Bg2 (--> 4.Bg2 0-0 5.Nf3).

4.g4 0-0 5.g5 Ne4 (5...Nd5 6.Bg7 Kg7 7.c3=) 6.Bg7= Kg7 7.h4 (7.Nf3 e5=) 7...d5 8.d3 Nd6 9.Bg2 c6 (9...a5 10.ba5 Ra5 11.Qd2=) 10.Nd2 (10.h5 a5=) 10...Nd7 (10...Bg4 11.c4 Na6 12.Qb3=) 11.Ngf3 (11.h5 e5 12.Ngf3 a5=) 11...Nf5 (11...Qb6 12.a3=) 12.e4+= de4 (12...Nd6 13.h5+=) 13.Ne4 (13.de4 Nd6+=) 13...Nb6 (13...a5 14.a3+=) 14.c4 (14.h5 Nd5+=) 14...Qc7 (14...Nd4 15.h5=) 15.Qc2 (15.h5 Rd8 16.Qe2 gh5 17.Rh5 a5+/-) 15...Nd7 16.Kd2 Qf4 17.Kc3 Ne5 18.Ne5 Qe5-/+ 19.Kb3?? Nd4-+ (19...Nd4 20.Kb2 Nc2 21.Kc2 a5 22.ba5 Bf5-+) 0–1. coloplayah (2145) – bobbs (2285), net–chess.com, 2006.

4.e4 0-0

5.Bg2 c6 6.Qe2 Qb6 7.a3 a5 8.c3 d6 9.Nf3 Be6 10.0-0 Nbd7 11.d4 Bb3 12.Nbd2 Ba4 13.Rab1 e5 14.Rfe1 ab4 15.ab4 ed4 16.Nd4 Ne5 17.f4 Neg4 18.h3 Nh6 19.Kh1 Nh5 20.Qf3 Bd4 21.cd4 d5 22.g4 de4 23.Ne4 Ng7? 24.Nf6+- Kh8 25.Qd3 Qc7 26.d5 Rg8? 27.Re8?? Rae8-+ 28.Ne8 Qf4?? 29.Rf1 Qg5?? 30.Ng7+- f6 (30...Rg7 31.Bf6 Bb5+-) 1–0. De Bortoli,Peter (2195) – Eckhoff,Karlheinz, Feffernitz Raika op, 2000.

5.Bg2 d5 6.e5 Ne4 7.f4 Nc6 8.c3 f6 9.d3+/- (9...Ng5 10.fg5 Ne5 11.Nf3+/-) 1–0. miehnekort – boaz_mos, Yahoo, 2005.

4.e4 d6

5.Bg2 0-0 6.Ne2 a5 7.b5 c6 8.a4 Be6 9.0-0 Qd7 10.Nf4 (10.Nbc3 cb5 11.Nb5 Rc8=) 10...Nh5 (better is 10...cb5!? 11.Ne6 fe6+=) 11.Bg7 Ng7 12.Ne6 Qe6 13.Nc3 f5 14.f4 Qc4 15.Qe1 Nd7 16.d3 (16.ef5 Nf5 17.g4 Qc5 18.Kh1 Nd4 19.Qe7 Rf7+=) 16...Qd4 17.Kh1 e5 (17...fe4 18.Ne4 d5 19.Ng5+=) 18.Ne2 (18.ef5!? Nf5 19.bc6 bc6 20.Bc6+/-) 18...Qc5= 19.Qc3 fe4 20.Qc5 Nc5 (worse is 20...dc5 21.Be4 Rf6 22.bc6 bc6 23.Rab1+/-) 21.de4 cb5 22.ab5 b6 (22...a4!?+=) 23.Nc3+= Nge6 24.Nd5 Nd4 25.Nb6 Rab8 26.Nd5 a4 (26...Rb5!? 27.c4 Rb2 28.Ra5 Ndb3+=) 27.c4+/- Ndb3 28.Ra2 Na5 29.Ne3 White prepares the advance f5 29...ef4 30.gf4 Nab3 31.f5 Kg7 32.Rd1 Rbd8 (better is 32...Rbe8 33.Kg1 Ne4 34.Ra4 gf5 35.Ra7 Kh8+/-) 33.Rf1 (33.Kg1 h5+-) 33...Rde8 The backward pawn on e4 becomes a target (33...Rb8 34.Kg1 Rbe8+-) 34.Nd5+- White plans f6 34...Na5 35.f6 Kf7 36.Nc7 (better is 36.Nb6!?+-) 36...Re5 37.Na6 Nc4 38.Nc5 Rc5 39.Ra4 Ne3 40.Ra7 Kg8 41.Rb1 Ng2 (41...Rfc8!? 42.Re1 Ng2 43.Kg2 Rb5 44.Rg7 Kf8 45.Rh7 Rc2 46.Kf3 Rbb2+-) 42.b6+- Rcc8 43.Kg2 Rf6 44.Rc7 (44.b7!? Rb8+-) 44...Rb8 45.b7 Rf7 46.Rc8 Rf8 47.Rb8 Rb8 48.Kf3 Kf7 49.Ke3 Ke6 50.Kd4 g5 51.Rb6 h5? (better is 51...Kd7 52.Kd5 Kc7+-) 52.e5 g4 53.Rd6 Kf5 54.Rf6 (54.Rb6 h4 55.e6 Kf6+-) 54...Kg5 55.Rf7 h4 56.e6 Kg6 57.Rc7 g3 58.hg3 h3 (58...hg3 59.Ke3 g2+-) 59.e7 h2 (59...Re8 60.Rc8 h2 61.Re8 h1Q 62.Rg8 Kf6+-) 60.Rc8 h1Q (60...Rc8 61.bc8Q h1R 62.e8Q Kg5 63.Qe5 Kg6 64.Qcf5 Kh6 65.Qef6) 61.e8Q (61.Rb8?! Qd1 62.Kc5 Qc1 63.Kd6 Qd2 64.Kc7 Qc3 65.Kd7 Qd4 66.Kc8 Qc5 67.Kd7 Qd4 68.Kc6 Qc3 69.Kd5 Qb3 70.Kd6 Qb6 71.Kd7 Qd4=) 61...Kf5 (61...Kg5 62.Rc5 Qd5 63.Rd5 Kg4 64.Qe2 Kh3 65.Rh5 Kg3 66.Rg5 Kf4 67.Qe3) 62.Qe5 (62.Rc5 Qd5 63.Rd5 Kg4 64.Qe2 Kh3 65.Rh5 Kg3 66.Rg5 Kf4 67.Qe3) 62...Kg6 63.Qd6 (63.Qe6 Kg7 64.Rc7 Kh8 65.Qe5 Kg8 66.Qg7) 63...Kh7 (63...Kf5 64.Rc5 Qd5 65.Qd5 Kg4 66.Qh5 Kg3 67.Rc3 Kg2 68.Qe2 Kg1 69.Rc1) 64.Rc7 (64.Rc7 Kg8 65.Qg6 Kf8 66.Qf7) 1–0. Jaramillo,Carlos Orlando (1900) – Montoya,Duvan (2050), 1st Torneo Nacional IRT SUB, 2015.

4.Bg2 0-0

5.a3 a5 6.b5 c6 7.a4 d5 8.Nf3 Nbd7 (8...cb5 9.ab5 Qb6 10.Na3=+) 9.0-0= Re8 10.d3 e5 11.Nc3 e4 12.de4 Ne4 13.Ng5?? (better 13.Qe1=+) 13...Nc3-+ 14.Bc3 Bc3 15.Ra3 Bb4 (15...Bb4 16.bc6 bc6 17.Bd5 Ne5 18.Bf7 Nf7 19.Qd8 Nd8-+) 0-1. BabaRamdev (2640) - Psycho1371 (2645), Rated Bullet game, lichess.org, 2019.

5.a3 a5 6.b5 d5 7.a4 c5 8.bc6 bc6 9.Nf3 Re8 10.0-0 Nbd7 11.c4 e5 12.cd5 cd5 13.Nc3 Ba6 14.d4 e4 15.Ne5 Ne5 16.de5 Re5 17.Nb5 Re7 18.Nd4 Rc7 19.Qd2 Rac8 (better is 19...Rc4!?-/+) 20.Qa5= Bc4 21.Rfc1 Nd7 22.Qd2 Nc5 23.a5 Rb8 24.Bc3 Qd7 25.h4 (25.f3 Re8=) 25...Ra7 26.Kh2 Rba8 27.Bh3 Qc7 28.Bb4? (28.h5 Nb7=) 28...Na6 (better is 28...Bd4 29.Qd4 Nb3-+) 29.Bc3= Qc5 30.Rab1 Nc7 31.Rb6 Ra5 32.Ba5? (better is 32.Rc6!? Bd4 33.Rc5 Bc3 34.Qc3 Rc5 35.Qd4=) 32...Bd4-/+ (worse is 32...Qa5 33.Qa5 Ra5 34.Rb8 Bf8 35.h5+/-) 33.Rb7 Ra5 34.Rc7 Qc7 35.Qd4 Ra2 36.Bf1 Qe7 37.Rb1 Ra8 38.Kg1 Re8 39.e3 Qe5 (39...Rc8 40.Bh3 Ra8 41.Bg2-/+) 40.Rd1 (40.Qe5!? Re5 41.Rb8 Kg7 42.Bc4 dc4 43.Rc8+=) 40...Bf1 41.Qe5 Re5 42.Kf1 Kf8 43.Rc1 Ke7 44.Rc7 Kf6 45.Ra7 Re6 (45...Re7 46.Ra5 Ke5 47.g4-/+) 46.Ra4 (46.Rd7!?+=) 46...Rd6 47.Rd4 Ke5 48.Kg2 f5 49.Rd1 h6 50.Rb1 g5 51.Rb8 Re6 52.Rd8 Rd6 53.h5?? (53.Rb8 gh4 54.gh4-+) 53...Rd8-+ 54.g4 d4 55.ed4 Rd4 56.gf5 Rd3 57.f6 Kf5 58.f7 Rd8 59.f3 Rf8 60.fe4 Ke4 61.Kg3 Kf5 (61...Rf7 62.Kg2 Rf4 63.Kg1 Kf3 64.Kf1 g4 65.Kg1 g3 66.Kf1 Re4 67.Kg1 Re1) 62.Kf3-+ Kf6 63.Kg3 Rf7 64.Kg4 Rg7 65.Kg3 Plans Ke6 65...Rf7 (65...g4 66.Kf2 g3 67.Kg2 Ke5 68.Kf1 g2 69.Kf2 g1Q 70.Kf3 Qg2 71.Ke3 Rg3) 66.Kg4 Kg7 (66...Rd7 67.Kf3 Kf5 68.Kf2 Kf4 69.Ke2 g4 70.Kf1 Kf3 71.Ke1 g3 72.Kf1 Rd1) 67.Kg3 Rf6 68.Kg4 Rf5! 69.Kg3 (69.Kf5 Kf7 Combination) 69...Rf4 70.Kh3 Rh4 71.Kg3 Rh5 72.Kg4 Rh4 73.Kf5 Rf4 74.Ke5 h5 75.Ke6 h4 76.Ke5 (76.Kd6 h3 77.Kc6 h2 78.Kb7 h1Q 79.Kb6 Qb1 80.Kc5 Qb4 81.Kd5 Qc4 82.Ke5 Rd4 83.Kf5 Qd5) 76...h3 77.Ke6 h2 78.Ke7 (78.Kd5 h1Q 79.Kd6 Rd4 80.Kc5 Qd5 81.Kb6 Rb4 82.Kc7 Rb7 83.Kc8 Qd7) 78...h1Q (78...Rd4 79.Ke6 h1Q 80.Ke5 Qe4) 79.Kd6 Qe1 80.Kc7 (80.Kc6 Qc3 81.Kd6 Kf6 82.Kd7 Rd4 83.Ke8 Qc8) 80...Rf3 (80...Qc1 81.Kd6 Rd4 82.Ke5 Qf4 83.Ke6 Qe4) 81.Kb6 (81.Kc6 Rc3 82.Kb5 Qe2 83.Ka4 Qb2 84.Ka5 Ra3) 81...Rd3 (81...Qc1 82.Ka5 Rb3 83.Ka4 Qa3) 82.Kb7 (82.Kc5 Qb1 83.Kc4 Qc2 84.Kb4 Rb3 85.Ka5 Qa2) 82...Qc1 83.Kb8 (83.Ka6 Qb2 84.Ka5 Ra3) ½–½. Kovalyov,Anton (2555) – Boas,Toby, Dos Hermanas Internet qual–E, 2009. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 a5)

5.a3 a5 6.Nf3 ab4 7.ab4 Ra1 8.Ba1 Nd5 (8...d5 9.0-0=) 9.Bg7+= Kg7 10.c3 Nf6 11.0-0 b6 12.d3 Bb7 13.Nbd2 d6 14.Re1 Qc8 15.e4 Nfd7 16.Qb3 Kg8 17.Nc4 White intends e5 17...Rd8 18.Ne3 Nf8 19.Ng5 Nbd7?? (better 19...e6+/-) 20.Qf7+- Kh8 21.e5 (better 21.Bh3 Ne5 22.Bc8 Nf7 23.Nf7 Kg7 24.Nd8 Bc8 25.Ra1+-) 21...Bg2 22.Kg2 Ne5 23.Qf4 (better 23.Qe7!? Re8 24.Nf7 Nf7 25.Qf7+-) 23...Ne6+= (worse 23...Nd3 24.Qd4 Ne5 25.Nf7 Kg7 26.Nd8 Qd8 27.f4+/-) 24.Ne6 Qe6 25.d4?? (25.Qe4 d5 26.Qd4+/-) 25...Nf7 (better 25...Nd3 26.Qg4 Ne1 27.Kf1 Qg4 28.Ng4 Nf3-+) 26.Nc2 (26.d5!? Qf6 27.Qf6 ef6 28.Nc2+/-) 26...Qd5+= 27.Kg1 e5 28.Qf6 Kg8 29.Ne3 Qb3 30.Ng4 Rf8 31.de5 Qc3 32.Kf1?? (32.Re3 Qa1 33.Kg2 Qa8 34.Rf3 de5 35.Qe6+/-) 32...Qc4-+ 33.Kg1 Qg4 34.e6 (34.ed6 Qb4 35.Qe6 Qd6 36.Qb3-+) 34...Ne5 35.Re5 (35.e7 Rf6 36.Re5 de5 37.e8Q Rf8 38.Qe5 Qb4-+) 35...Rf6 (better 35...de5!? 36.e7 Qd1 37.Kg2 Qd5 38.Kg1 Rf6 39.e8Q Kg7 40.Qa4-+) 36.e7 de5 37.e8Q Kg7 (37...Rf8 38.Qe5 Qb4 39.Qe6 Rf7 40.f4-+) 38.Qe5 (38.Qe7 Rf7 39.Qe5 Kg8-+) 38...Qd7 (better 38...Qd1!? 39.Kg2 Qf3 40.Kh3 Qf5 41.Qf5 Rf5 42.Kg2-+) 39.Qc3 h6 40.Kg2 (40.h4 Qd6-+) 40...Qf7 (40...Qc6!? 41.Qc6 Rc6 42.Kf3-+) 41.f3 g5 42.h3 (42.h4 Qa2 43.Kg1 Qe2 44.hg5 hg5-+) 42...c5! 43.bc5 bc5 (43...Qc7 44.Qc4-+) 44.Qc5 Rf3 45.Qc3 (45.Qe5 Rf6 46.Kh2 Qa2 47.Kg1 Qb1 48.Kh2 Qc2 49.Kg1 Qd1 50.Kh2 Qd2 51.Kg1 Kf7 52.Qf6 Kf6 53.h4 Ke5 54.Kf1 Ke4 55.hg5 Kf3 56.gh6 Qd1) 45...Rf6 (45...Rc3 46.h4 Qf3 47.Kh2 Qg3 48.Kh1 Rc1) 46.Qe5 (46.Qb2 Qc4 47.Kh2 Kf7-+) 46...Qb7 (46...Qa2 47.Kg1-+) 47.Kg1 (47.Kh2 Qf3-+) 47...Qf3 48.Qe7 Rf7 49.Qe5 Qf6 (better 49...Kh7 50.Qe1 Rd7-+) 50.Qe3 (50.Qf6 Kf6 51.Kg2-+) 50...Qf1 51.Kh2 Rf2 52.Qf2 Qf2 53.Kh1 Qf1 (53...Qg3 54.h4 Qf3 55.Kg1 gh4 56.Kh2 h3 57.Kg1 Qg2) 54.Kh2-+ Qe2 55.Kh1 Qe1 (55...Qe1 56.Kg2 Kg6 57.Kf3 Qf1 58.Ke3 Qh3 59.Kf2 g4 60.Ke3 Qg3 61.Ke4 Qf3 62.Kd4 g3 63.Kc4 g2 64.Kb5 Qe4 65.Kc5 g1Q 66.Kb5 Qgb1 67.Kc5 Qbb4) 0-1. Schachbaer96 (2470) - zsolti_83 (2590), Rated Bullet game, lichess.org, 2021.

5.a3 c6 6.c4 a5 7.b5 cb5 8.cb5 a4 (8...d5 9.Nc3=) 9.Nc3 d5 10.Na4 Qa5 11.Nc3 d4 12.Ne4 (12.Na2 e5=) 12...Qb5 (12...Ne4 13.Be4 Qb5 14.Rb1=) 13.Rb1 (better 13.Bd4 Ne4 14.Bg7 Nf2 15.Kf2 Kg7 16.Nf3=) 13...Bf5 (better 13...Qf5 14.Qc2 Nc6=) 14.Bd4+- Qd7 15.Bf6 Be4 (15...ef6 16.Rb7 Qc6 17.d3 Ra3 18.Rb1+=) 16.Be4 Bf6 17.Rb7 Qe6 18.Bg2 Na6 (18...Ra3 19.Nh3+=) 19.Nh3 (19.Rb1 Rab8 20.Rc1 Rfd8+-) 19...Nc5 20.Nf4 Qd6 21.Rb1 Ra3 22.0-0 (22.Nd5 Bd4+-) 22...e6+= 23.Qc2 Bg5 (23...Rc8 24.Rfc1+=) 24.Nh3 (24.Rfd1 Bf4 25.gf4 Na4+-) 24...Bh6 (24...Bf6 25.Rfc1 Rc8 26.Rb5+-) 25.Rb5 Na4 (25...Na6 26.d3+-) 26.Rd1 (26.e3!?+-) 26...Rd8+= d2 becomes the focus of attention 27.Ra5 (27.Rb3 Rb3 28.Qb3 Nc5+=) 27...Qb4 (27...Nb2! 28.Ra3 Qa3=) 28.Qc7+= Rd2? (better 28...Rf8+=) 29.Ra8+- Bf8 Do you see the mate threat? 30.Ng5?? (30.Rd2 Ra1 31.Bf1=) 30...Rd1=+ 31.Bf1 Threatening mate... how? 31...Kg7 32.Qf7 Kh6 33.Rf8 (33.h4 Qe7 34.Rf8 Qf7 35.Rf7 (35.Nf7? Kg7 36.Rd8 Rf1 37.Kf1 Kf7-+) 35...Rg3 36.fg3+-) 33...Kg5= 34.Qh7 The mate threat is h4 34...Rf1 35.Kf1 Threatening mate: f4 35...Qb1 36.Kg2 Threatening mate... how? 36...Qe4 37.Rf3 Do you see the mate threat? 37...Rf3 38.ef3 Qb4?? (better 38...Qd4 39.h4 Kf5+-) 39.Qg7 Qc5 40.h4 Kf5 41.Qf7 (41.g4 Kf4 42.Qf6 Qf5 43.Qd4 Qe4 44.Qe4) 41...Ke5+- 42.Qf4 Kd5 43.Qa4 Kd6 44.Qg4 (44.Qg4 Qf5 45.Qf5 ef5 46.g4+-) 1–0. Maris,Iv (2345) – Hachijan,A (2285), Dutch League, 2018. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 c6)

5.a3 Nc6 6.b5 Nb8 7.Nf3 d5 8.0-0 Nbd7 9.d3 b6 (9...a6 10.a4=) 10.Nbd2 Bb7 11.a4 a5 12.c4 e6 13.Ra2 Rb8 14.Nd4 dc4 (14...Nc5!?=) 15.Bb7+/- Rb7 16.Nc6 Qe8 17.Nc4 Nc5 (17...Nb8!? 18.Qa1 Nh5 19.Bg7 Ng7+/-) 18.Ba3 Nfd7 (18...Nd5 19.Qc2 Nb4 20.Nb4 ab4 21.Bb4 Qd7+-) 19.d4 Na4 (19...Ne4 20.Qd3 Nef6+-) 20.Qa4 (20.Bf8?! Nc3 21.Qd2 Na2 22.Bg7 Kg7 23.Qa2 Nb8 24.Nb8 Rb8+-) 20...Nb8 21.Bf8 Qf8 22.Nb8 (22.N6e5 Qd8+-) 22...Rb8 23.Ne5 (23.e3 Rd8+-) 23...Qd6 (23...Be5 24.de5 Qc5 25.Rd1+-) 24.Nc6 Re8 25.e3 h5 26.Qa3 (26.e4 e5 27.de5 Be5+-) 26...Qa3 27.Ra3 Bf8 (27...e5 28.de5 Be5 29.e4+- (worse 29.Ne5 Re5 30.Rb3 Rc5+-)) 28.Rc3 (28.Ra4 Kg7+-) 28...Bd6 (28...Ra8 29.Ne5 Ra7 30.Nd7+-) 29.Rfc1 (29.Rc4 Ra8+-) 29...Ra8 30.Ne5 a4 31.Nc4 Bb4 32.R3c2 Ra7 33.Ra2 Kf8 34.Nb2 (34.Rca1 a3+-) 34...a3 35.Nd3 (35.Nc4 Ra4+-) 35...Bd6 36.Rc3 (better 36.Ne5 Ra5+-) 36...Ke7 (36...Ra5 37.Rb3+-) 37.Rb3 (37.Ne5 Ra4+-) 37...Kd7 (37...Ra5 38.Ne1+-) 38.Nb2! Ra5 (38...ab2 39.Ra7 Pinning (39.Ra7 Deflection)) 39.Nc4 Ra4 40.Nd6 Kd6 41.Raa3 Ra3 42.Ra3 f5 (42...f6 43.f4+-) 43.Rc3 g5 44.Rc6 Kd7 45.f4 g4 (45...gf4 46.ef4 Ke7 47.Rc7 Kd6 48.Rc6 Ke7 49.Rb6+-) 46.h3! gh3 47.Kh2 (47.Kh2 Ke7 48.Rc7 Kd6 49.Rc6 Ke7 50.Kh3+-) 1-0. black_bishop_88 (2645) - evin13 (1855), Lichess Quarantå³ne-Bundesliga2 Team Ba, lichess.org, 2020. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2)

5.a3 Nc6 6.e3 b6 7.b5 Bb7 8.bc6 dc6 9.Ne2 Rb8 10.0-0 Qd6 11.d4 Ba6 12.Re1 c5 13.d5 Bc4 14.e4 b5 15.Nd2 Be2 16.Re2 Nd7 17.Bg7 Kg7 18.c4 b4 19.ab4 cb4 20.Qa4 Qc5 21.Nb3 Qc4 22.Rc1 Qe2 23.Qa7 Ne5 24.Qd4 f6 25.Rc7 Qe1 26.Bf1 Nf3 27.Kg2 Nd4 28.Nd4 Qd2 29.Ne6 Kh6 30.Nf8 Rf8 31.Re7 b3 32.Rb7 b2 33.d6 Qc2 34.d7 Qe4 35.Kg1 Qb7 0–1. STIPPI (1830) – martillaco (1830), Hourly Blitz Arena, 2020.

5.a3 d6 6.Nc3 c6 7.Nf3 Bg4 8.0-0 Nbd7 9.h3 Bf3 10.Bf3 Qc7 11.d4 d5 12.e3 e5 13.de5 Ne5 14.Bg2 Nc4 15.Rb1 Nb2 16.Rb2 Ne4 17.Be4 Bc3 18.Rb3 Be5 19.Bg2 Rae8 20.Rb1 f5 21.Qc1 Bg3 22.fg3 Qg3 23.Rf3 Qg5 24.c4 dc4 25.Qc4 Rf7 26.Rd1 Re3 27.Rd7 Ree7 28.Rd8 Kg7 29.Qd4 Qf6 30.Qf6 Kf6 31.Rfd3 Re1 32.Kh2 Ra1 33.R8d6 Kg5 34.h4 Kh4 35.R3d4 Kg5 36.Rd3 Re7 37.Rg3 Kh6 38.Rh3 Kg7 39.Rhd3 Ra2 40.Rd7 Rd7 41.Rd7 Kf6 42.Rb7 Ra3 43.Rh7 Rb3 44.Bc6 Rb4 45.Ra7 Rb6 46.Bf3 Rb2 47.Kg3 Rb3 48.Ra6 Kg7 49.Kf4 Kh6 50.Kg3 Rb4 51.Ra8 Kg5 52.Ra5 Rb1 53.Kf2 1–0. Adamkosh (1700) – Kudryavtsev_Boris (1770), lichess.org, 2019.

5.a3 d6 6.d3 e5 (6...c5 7.bc5 Nc6 8.Nf3 dc5 9.Nc3=) 7.Nd2 (7.Nf3 Nc6=) 7...c6 (7...Nbd7!?+=) 8.Ngf3= Be6 9.0-0 h6 10.c4 Qd7 (better is 10...Nbd7!?=) 11.c5+/- Nh7? (11...dc5 12.bc5 Qe7 13.Be5 Qc5 14.Bf6 Bf6 15.Ne4+/-) 12.Qc2 (12.Ne4 d5 13.Nd6 d4+-) 12...f6 (better is 12...Ng5!?+-) 13.cd6 Qd6 14.d4 Bf5 15.e4 Be6 16.de5 fe5 17.Nc4 Bc4 18.Qc4 Kh8 (18...Rf7 19.Rfd1 Qc7 20.Bh3+-) 19.Rad1 Qe7 20.Nh4 Qe8 (20...Rf6+-) 21.Rd8 (21.Rd8 b5 22.Qb3+-) 1–0. Jimenez Morales,Miguel (1970) – Planas Gene,J (2050), 40th Seville Open, 2015. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 d6)

5.a3 d6 6.e3 Nbd7 7.d4 e5 8.Ne2 ed4 9.Nd4 a5 10.0-0 ab4 11.ab4 Ra1 12.Ba1 Re8 13.c4 Nb6 14.Nd2 Nfd7 (14...d5 15.c5 Nbd7 16.Re1+=) 15.Qc2 Ne5 16.Rc1 (16.c5 dc5 17.bc5 Nd5+=) 16...c5= 17.bc5 dc5 18.Nb5 (18.N4f3 Bf5 19.e4 Nf3 20.Bf3 Be6+=) 18...Bf5 19.Qb3?? (better 19.e4 Bg4 20.Be5 Re5 21.f3=) 19...Qd2-+ 20.Rd1 Qc2 (20...Qe2 21.Bf1 Nf3 22.Kg2 Bh3 23.Kh1 Qf2 24.Bg7 Qh2) 21.Qc2 Bc2 22.Rc1 Bd3 23.Nd6 Re7 24.Nb7 Nec4 (24...Rc7 25.Nd6 Ra7 26.Nb7-+) 25.Bg7 Kg7 26.Nc5 Bf5 27.e4 Bc8 28.f4 Rc7 29.Nd3 f5 30.e5 Bb7 31.Nb2?? (better 31.Bb7 Rb7 32.Nc5-+) 31...Bg2 32.Kg2 Ne3 (32...Ne3 33.Kf3 Rc1 34.Ke3 Rc2-+; 32...Nb2 33.Rc7 Kg8 34.Kf3+=) 0–1. TwelveTeen (2645) – Arstan23 (2570), lichess.org, 2018. (=1.g3 Nf6 2.Bg2 g6 3.a3 Bg7 4.b4 0-0 5.Bb2 d6)

5.a3 d6 6.e4 e5 7.Nc3 Nc6 8.Nge2 Bg4 9.h3 Bc8 10.0-0 Nh5 11.Nd5 Be6 12.d3 Ne7 13.c4 Bd5 14.cd5 Bh6 15.d4 Bg7 16.Bf3 ed4 17.Nd4 Nf6 18.Ne2 Nd7 19.Bg7 Kg7 20.Bg2 f5? (better is 20...Re8+=) 21.Nf4 Rf6 (21...Qb8 22.Ne6 Kg8 23.Rc1+-) 22.Ne6 Re6 23.de6 Nf8 24.ef5 c6 (24...Nf5 25.Bb7 Rb8+-) 25.Qd4 Kg8 26.f6 Ne6 27.Qe3 (worse is 27.fe7 Nd4 28.ed8Q Rd8+-) 27...Nf5 28.Qe6 Kf8 29.Rae1 d5 30.g4 (30.g4 Nd6 31.Qe7 Qe7 32.Re7+-) 1–0. Popp,Tony – Boyd,John Michael, CL6–2009.13.08, 2009. (=1.a3 Nf6 2.b4 g6 3.Bb2 Bg7 4.g3 0-0 5.Bg2 d6)

5.b5 a6 6.a4+=.

5.b5 d6 6.c4 (6.Nf3 c6=) 6...c6 (6...e5 7.Nf3+=) 7.Nf3 cb5 8.cb5 Qb6 9.a4 (9.Nc3 Ne4 10.Ne4 Bb2=) 9...Ne4 10.Bg7?? (better is 10.d4=) 10...Qf2 (10...Kg7 11.0-0+=) 0–1. mic (2200) – psoin (2230), net–chess.com, 2008.

5.c4 a5 6.b5 c6 7.Nf3 cb5 8.cb5 Qb6 9.Na3 Ng4 10.d4 d5 11.0-0 h6 12.Rc1 Bd7 13.Rc5 Be6 14.Qc1 Nd7 15.Rc7 Ndf6 (15...Ngf6 16.e3=) 16.Ne5 (better is 16.h3 Ne8 17.Re7+=) 16...Ne5 17.de5 Nd7 18.Rd1 Ne5 19.Rc2 Ng4 20.e3 Nf6 21.Be5 (21.Bd4!? Qd8 22.e4=) 21...Rac8 22.Bc7 Rc7 (better is 22...Qa7-/+) 23.Rc7+= Ne8 24.Rc2 Nf6 25.h3 Bf5 26.Rc7 (worse is 26.Bd5 Bc2 27.Qc2 Nd5 28.Rd5 Qe6+=) 26...Qe6? (better is 26...Ne8 27.Re7 Bf6 28.Re8 Re8 29.Rd5 Rc8+=) 27.g4+- (27.Rb7?! Bh3 28.Qc6 Qg4+/-) 27...Bg4 28.hg4 Qg4 29.Rc2 (29.Rd4 Qg5+-) 29...Qh5 30.f3 Nh7 31.Qd2 Be5? (31...e6 32.Qa5 Ng5 33.Rf1+-) 32.f4 (better is 32.Qd5 Bh2 33.Kf2 Qd5 34.Rd5+-) 32...Bd6 33.Qd5 Qg4? (better is 33...Qd5 34.Rd5 Ba3+-) 34.Nc4 Bb4 35.Qf3 (better is 35.Ne5!? Qg3 36.Qf3 Qh4+-) 35...Qf5 36.Qe4 Qg4 37.Qf3 Qf5 38.Rcc1 Nf6 (38...Qb5 39.a3 Bc5 40.Qb7 Qb7 41.Bb7+-) 39.Ne5 Qe6 40.Qe2 g5 41.Qc4 (worse is 41.Bb7 gf4 42.Nc4 Bc5+-) 41...Qb6 42.Kf2 Kg7 43.Bf3 Bd6 44.Rg1 Be5 45.fe5 Nd7 46.Qd4 Qb5 (46...Qd4 47.ed4 b6+-) 47.Rb1 Qe5 48.Qd7 Qh2 49.Rg2 Qh4 50.Kg1 1–0. Lehtinen,Heikki (2400) – Leisti,Simo, Tampere We TaSY op, 2005. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 a5)

5.c4 c6 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.g3 0-0 5.Bg2 c6).

5.c4 c6 6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 c6 6.Bg2).

5.c4 Nc6 A) 6.b5 Nb8 7.Nf3 (7.Qa4 d6 8.Nf3 Nbd7 9.0-0 e5 10.d4 Nb6 11.Qb3 e4 12.Ng5=; 7.Nc3 a6 8.Qa4 d6 9.Nf3 Nbd7 10.0-0 Nb6 11.Qb4 ab5 12.cb5=; 7.Na3 a6 8.Qa4 d6 9.Nf3 Nbd7 10.0-0 Nc5 11.Qc2 Bf5 12.d3=) 7...c6 8.0-0 d5 9.d3 dc4 10.dc4 cb5 11.cb5 Qa5 12.a4=; B) 6.Qa4+= B1) 6...a6 7.Na3 (7.Nf3 d6 8.0-0 e5 9.b5 Na7 10.Nc3 Bd7 11.Qb4 ab5 12.cb5=; 7.d3 d6 8.Nf3 Bd7 9.0-0 e5 10.Nc3 Qe7 11.a3 Nd4 12.Qd1=; 7.a3 Ra7 8.Nf3 d5 9.cd5 Qd5 10.Nh4 Qd6 11.Bc6 bc6 12.Bf6=; 7.h3 Ra7 8.a3 d6 9.Bc6 bc6 10.Nc3 Nd7 11.d3 c5 12.Qc2+=) 7...Ra7 8.Nf3 d6 9.d4 Bf5 10.0-0 Qd7 11.Qb3 e6 12.Nh4=; B2) 6...d6 7.b5 (7.Nf3 e5 8.b5 Ne7 9.0-0 a6 10.d4 ed4 11.Nd4 Nd7 12.Qc2=; 7.Na3 e5 8.Nf3 e4 9.Ng5 Bf5 10.b5 Ne5 11.d3 Ned7 12.de4+=) 7...Nb8 8.Nf3 Nbd7 9.0-0 e5 10.d4 Nb6 11.Qb3 e4 12.Ng5=; C) 6.a3 C1) 6...d6 7.d4 (7.Nf3 e5 8.0-0 Be6 9.d3 a6 10.Ng5 Bg4 11.h3 Bd7 12.Nc3=; 7.d3 a5 8.b5 Ne5 9.Nf3 Nf3 10.Bf3 e5 11.0-0 Ra7 12.Qd2=) 7...d5 8.Nd2 dc4 9.Nc4 Be6 10.Qd3 Bf5 11.e4 Be6 12.Ne2+=; C2) 6...d5 7.cd5 (7.b5 Na5 8.cd5 Nc4 9.Bf6 Bf6 10.Nc3 a6 11.ba6 Ra6 12.Qb3=) 7...Nd5 8.Bg7 Kg7 9.Nc3 Be6 10.Nf3 Nc3 11.dc3 Bd5 12.0-0+=; C3) 6...a6 7.d3 (7.Qa4 Qe8 8.Nf3 d6 9.Nc3 Bd7 10.0-0 e5 11.d3 Qe6 12.Qc2=; 7.Qb3 d6 8.Nf3 e5 9.0-0 Re8 10.d3 Bg4 11.h3 Bd7 12.Nbd2=; 7.Nf3 d5 8.cd5 Qd5 9.Nc3 Qd6 10.0-0 Rd8 11.d3 Bf5 12.Qd2=) 7...d6 8.Nf3 e5 9.0-0 Re8 10.Nc3 Qe7 11.Nd2 Bg4 12.Re1=.

5.c4 d5 6.cd5 Nd5 7.Bg7 Kg7 8.Qb3 c6 9.Nc3 Be6 (9...Nf6 10.Nf3=) 10.Qb2 (10.Nd5 Bd5 11.Qc3 Kg8=) 10...f6 (10...Kg8 11.Nf3=) 11.Nf3 a5 (11...Qb6 12.a3=) 12.b5 Nc3 13.dc3 Qb6 (13...cb5 14.Nd4 Bc4 15.Nb5=) 14.0-0 (14.Rb1 Bd5+=) 14...Nd7 (14...Qb5 15.Qb5 cb5 16.Rfb1=) 15.Rab1 (15.Rfb1 c5+=) 15...c5 (15...cb5 16.Nd4 Bc4 17.Nb5+=) 16.Rfd1 Rfd8 17.a4 (17.Rd2 a4+=) 17...Rac8 (17...Bf5 18.Ra1+=) 18.Qc2 (18.Rd2 c4+=) 18...Qc7 (18...Bf5 19.e4 Bg4 20.h3 Bf3 21.Bf3+=) 19.Qe4+= Nf8 20.Nh4 (20.Rd8 Rd8 21.b6 Qd7+=) 20...b6 21.Qc2 Rd1 (21...Bc4 22.Bc6+=) 22.Rd1+= Rd8 23.Rd8 Qd8 24.Bc6 ½–½. russ9 (2195) – yatsyshin (2365), gameknot.com, 2017. (=1.g3 Nf6 2.Bg2 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d5)

5.c4 Re8 6.Nf3 d5 7.0-0 Nbd7 8.d3 e5 9.Nbd2 a5 10.a3 c6 11.e4 d4 12.Qc2 c5 13.Nb3 b6 14.bc5 Nc5 15.Nfd2 Bd7 16.Nc5 bc5 17.a4 (17.Rab1 Qc7=) 17...Qc8 18.Nb1 Qc6 19.Qd2 (19.Bc1 Rab8=) 19...Reb8-/+ 20.Na3 Qa4 21.Rfb1 Rb3 22.Nc2 Qc6 23.Ra5 Rab8 (23...Ra5!? 24.Qa5 Rd3-/+) 24.Ne1 Qb6 25.Ra2 h6 26.Bf3 Bg4 27.Kg2? (27.Bg4 Ng4 28.Qe2 Nf6+=) 27...Kh7 (27...Bf3 28.Nf3 Ne4 29.de4 Rf3 30.Rd1-+) 28.h3 (better is 28.Bg4!? Ng4 29.Qe2+=) 28...Bf3-+ 29.Nf3 Ne8 (better is 29...Ne4!? 30.de4 Rf3-+) 30.Qc2 Qb7 31.Nd2 Rb4 32.Kf1 Nd6 33.Ke1 f5 34.Kd1 (better is 34.ef5!? gf5 35.f3-/+) 34...fe4-+ 35.de4 (35.Ne4 Ne4 36.de4-+) 35...Qf7 36.f3? (36.Qd3-+) 36...Nc4 37.Nc4 Rc4 (37...Qc4?! 38.Qc4 Rc4 39.Rc1-+) 38.Qe2 (38.Qd3 Rcb4 39.Rba1 Rb2-+) 38...Rcb4 (better is 38...Rc3 39.Rba1 Qb3 40.Ke1-+) 39.Ra3 (39.Rba1 d3! 40.Qd3 Rb2 41.Rb2 Rb2-+) 39...c4 0–1. Taylor,WH (2045) – Crombleholme,Alan (2140), Barnstaple op, 1971. (=1.c4 g6 2.g3 Nf6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 Re8)

5.d3 a5 6.ba5 c6 7.Bc3=+.

5.d3 Nc6 6.b5 Na5 7.Nf3 d5 8.Nbd2 c5 9.bc6 Nc6 10.c4 dc4 11.Nc4 Bg4 12.Rb1 Bf3 13.Bf3 Rc8 14.0-0 Nd5? (better is 14...Qd7!?+=) 15.Bg7+/- Kg7 16.Rb7 Nc3 (16...e6 17.Qa1 Qf6 18.Qf6 Kf6 19.Nd6+-) 17.Qc2 (17.Qa1!? Qd4 18.Rc1 Na4 19.Bc6 Qa1 20.Ra1 Rc6 21.Ra7 Nc3+-) 17...Nd5 18.Bd5 (18.Qb2 f6+-) 18...Qd5+/- 19.Rfb1 Nd4 20.Qd1 Ne6 (20...Nc6!?+-) 21.Re7 Nd4 (21...Rfd8 22.Ne3 Qa5+-) 22.f3?? (22.e4!? Qc5 23.Rbb7 a6+-) 22...Qg5?? (better is 22...Qc5 23.Reb7 Ne2 24.Kg2 Nc3+=) 23.Ra7 Nc6 (better is 23...Nf3 24.Kh1 Nd4+-) 24.Rab7 Nd4 25.Nd6 (better is 25.e3 Ne6 26.Qe2+-) 25...Qe3 26.Kg2?? (better is 26.Kf1 Rc2 27.R7b2 Nf3 28.Kg2 Rb2 29.Rb2+-) 26...Rcd8?? (better is 26...Rc2 27.R1b2 Qf3 28.Kh3 Ne2 29.Rc2 Nf4 30.Kh4 Qd1 31.gf4 Qc2-+) 27.Nc4+- Ne2?? (27...Qe2 28.Qe2 Ne2+-) 28.Ne3 Nc3 29.Qc2 Nb1 30.Qb1 (30.Qb2 Kg8 31.Ng4 Nc3 32.Qc3 Rd4 33.Nh6 Kg7 34.Qd4 Kh6 35.a4 Re8 36.Qf4 Kg7 37.Qf7 Kh6 38.Qf4 g5 39.Qf6 Kh5 40.Rh7) 30...Rfe8 31.Qb2 Kg8 32.Qb3 (32.Ng4 Re2 33.Qe2 Rf8 34.Nh6 Kg7 35.Qb2 Kh6 36.Qf6 Rc8 37.Qf4 Kg7 38.Qf7 Kh6 39.Qf4 g5 40.Qd6 Kh5 41.Rh7) 32...Rf8 33.a4 (33.Ng4 h5 34.Nh6 Kh7 35.Nf7 Rde8 36.Ng5 Kh6 37.Rh7 Kg5 38.f4 Rf4 39.Qd5 Rf5 40.h4 Kg4 41.Qd4 Re4 42.Qe4 Rf4 43.Qf4) 33...Ra8 34.d4 (34.Ng4 h5 35.Ne5 Rae8 36.Nf7 Re2 37.Kh3 Re6 38.Qe6 Kg7 39.Ne5 Rf7 40.Qf7 Kh6 41.Qg6) 34...Rae8 35.Kf2 (35.Ng4 Re2 36.Kf1 Re6 37.Nh6 Kg7 38.Qe6 Rh8 39.Rf7 Kh6 40.Qh3 Kg5 41.Qh4) 35...h5 36.h4 Ra8 37.d5 (37.Nc4!? Ra6+-) 37...Rfc8 38.d6 Rd8 39.Qf7 Kh8 40.Qh7 (40.Qg7) 1–0. coloplayah (2140) – doddy (1675), net–chess.com, 2006.

5.d3 d6 6.Nc3 Re8 7.Nf3 Nc6 8.b5 Nb8 9.0-0 c6 10.a4 c5 (10...e5 11.Ne4=) 11.Qd2 (11.d4 Nbd7=) 11...Nbd7 (11...d5 12.a5=) 12.a5 e5 (12...d5 13.e3=) 13.Ng5+= Bh6 (13...a6 14.b6+=) 14.h4 (14.f4 Bg7+=) 14...Bg5 (better is 14...Bg7!?+=) 15.hg5+/- Nh5 16.a6 Rb8 17.ab7 Bb7 18.Bh3 (18.Ra7!? Bg2 19.Kg2+/-) 18...Ra8+= 19.Ne4 Nb6 20.Bg2 d5? (better is 20...Be4 21.Be4 d5+/-) 21.Nc5+- Qc7 (21...Bc8 22.c4!+-) 22.Nb7 Qb7 23.c4! Qc7 (23...dc4 24.Bb7 Pinning (24.Bb7 Deflection)) 24.Rfc1 Qd7 25.c5 Nc8 26.c6 Qd6 (26...Qe6 27.c7+-) 27.c7 Qb6 (27...Qd7+-) 28.Bd5 Ng3 (28...Ne7 29.Ba8 Ra8 30.Qa5+-) 29.Ba8 Nf5 30.Rc6 (30.Qb4 Qe6 31.Ra6 Nfd6+-) 30...Qb5 31.Ra5 Qb3 32.Rca6 Nh4 (32...Nd4+-) 33.Bd5 Qd5 34.Rd5 e4 35.Qc3 ed3 (35...f6 36.Qf6 Nf3 37.ef3 Re7 38.Rd8 Re8 39.Re8) 36.Qg7# 1–0. pierre – oppovol, internet, 2010.

5.d3 d6 6.Nd2 Nbd7 7.Ngf3 e5 8.c4 Qe7 9.e4 (9.0-0 Rd8=) 9...Nh5 10.0-0 a5 11.b5 Nc5 12.Nb3 Ne6 13.a4 c5 14.Nh4 (14.bc6 bc6 15.Rb1 Bd7+=) 14...Bf6 (better is 14...Nhf4!?+=) 15.Nf5+= gf5 16.Qh5 f4 17.Qe2 Kh8 18.Bh3 (18.Bc3 b6=) 18...Rg8 19.Nd2?? (better is 19.Bf5=) 19...f3?? (better is 19...fg3 20.Be6 A) 20...Qe6?! 21.fg3 (worse is 21.hg3 Qh3 22.Qf3 Rg6-/+) 21...Qe7 22.Nb1+=; B) 20...gh2 21.Kh1 Be6-+ (21...fe6?! 22.f3-+; 21...Qe6?! 22.f3-+)) 20.Qd1+/- (20.Nf3?? Nf4 21.Qd2 Bh3-+) 20...Bd7 21.Kh1 (21.Qf3? Ng5 22.Qf6 Qf6 23.Bd7 Ne6-+) 21...Rg6 22.Bf5 (22.Qf3?? Ng5 23.Qe3 Bh3-+) 22...Ng5 23.Nf3 Bf5 24.ef5 Rg7 (24...Rh6 25.Bc1+-) 25.Ng5 (better is 25.Nd2!?+-) 25...Rg5+/- 26.g4 Rag8 27.f3 R5g7 28.Ra2 (28.Qe2!?+/-) 28...h5 29.Rg1 (29.gh5 Qd7 30.Bc3 Qf5-/+) 29...b6 30.Bc1 (30.Rg3!?+/-) 30...hg4 31.Rg4 Rg4? (better is 31...Qd7!?=) 32.fg4+/- Bg5 33.Rg2 Rg7 34.Bg5 Qg5 35.Qf3 Rh7 36.Rf2 Qc1? (better is 36...f6!?+-) 37.Kg2 Qh6?? (37...Rh6+-) 38.Qa8 Kg7 39.f6 Kg6 (39...Qf6 40.Rf6 Kf6 41.Qd8 Kg7 42.Qb6 Rh6+-) 40.Qg8 (40.Qg8 Rg7 41.fg7 Qg7 42.Qd8+-; 40.Qe4 Kg5 41.Rf5 Kh4 42.g5 Kh5 43.gh6 Kh6 44.Qe3 Kg6 45.Qg5) 1–0. Macedo,A Soares De (1965) – Pinto,C H Lopez (2105), ITT NATAL, 2009.

5.d3 d6 6.Nd2 e5 7.e3 c6 8.Ne2 Re8 (8...a5 9.Bc3+=) 9.0-0= Nbd7 10.a4 a5 11.Nc4 ab4 12.Nd6 Re6 13.Nc8 Rc8 14.Qd2 Qa5 15.Rfb1 Ree8 (15...Ra8!?=) 16.Ba3+= c5 17.Bb7 Rcd8 (17...Rc7 18.Bg2+=) 18.Bb2 c4 (18...e4 19.f3+/-) 19.dc4 Nb6 Attacking the isolated pawn on a4 20.Qe1 Nc4 21.Bc1 Bf8 22.Rb3 (22.c3 Qc7 23.Bg2 bc3 24.Nc3 e4+/-) 22...e4 23.Nd4 Ne5 (23...Bd6 24.c3 Qc7 25.Bc6+/-) 24.Qe2 (24.Bd2 Rd4 25.ed4 Nf3 26.Rf3 ef3+/-) 24...Qc7 (24...Re7 25.Qa6 Qa6 26.Ba6+/-) 25.Ba6 Nfd7 26.Bb5 Bc5 27.Kg2 Bd4 (27...Qa5!?+/-) 28.ed4+- Nf3 (28...Nc6 29.Bf4 Qb7 30.Bc6 Qc6 31.Rb4+-) 29.Be3 (29.Rb4 Qc3 30.Rb2 Nd4+-) 29...Re7 (better is 29...Qa5!?+/-) 30.Qc4 Nf6 31.Rb4 Nd5 (31...Qa5 32.Rab1+-) 32.Qc7 Rc7 33.Rc4 Rc4 34.Bc4 Nb6 35.Bb5 (better is 35.Ba6 Nd4 36.c3+-) 35...Rc8? (35...Nd4 36.Rd1 Nd5 37.Bd4 Nc3 38.Bc3 Rd1+-) 36.a5 Nd5 (36...Nc4 37.Ra2+-) 37.c4 Ne3 38.fe3 Nd2 (38...Kf8 39.a6+-) 39.c5 Ra8 40.a6 (40.a6 Kf8 41.d5+-) 1–0. Rewitz,Poul – Townsend,P, Europe, 1989.

5.e3 a5 6.b5 a4 7.Ne2 d5 8.0-0 c5 9.c4 dc4 10.Na3 Nbd7 11.Nc4 Nb6 12.Qc2 (12.d3 Nc4 13.dc4 Qb6=) 12...Be6 (12...Bf5 13.e4 Ne4 14.Be4 Be4 15.Qe4 Nc4 16.Bg7 Nd6=) 13.Nb6 Qb6 14.Nf4 Bf5 15.d3 Qb5 (better 15...g5!? 16.Bf6 Qf6=) 16.Rab1+= Qd7 17.Qc5 Rac8 18.Qb6 The backward pawn on b7 becomes a target 18...g5 19.Bf6 Bf6 20.Nd5 Bg7 (better 20...Bd3!? 21.Rfd1 Qf5+=) 21.Qb7+- Rc2 (21...Kh8 22.Qd7 Bd7+-) 22.Ne7 Kh8 23.Nf5 Qf5 24.Be4 Qe6 25.Rb6 Qa2 26.Qd7 Rc5 27.d4 Ra5 (27...Qd2+-) 28.d5 f5 (28...Qe2 29.Qf5 Qh5 30.Bf3+-) 29.Rb7 (29.Rb7 Qb2 30.Rb2 Bb2 31.Bf5+-) 1-0. is_er_nog_hoop (2540) - squat_king (2535), Rated blitz game, lichess.org, 2019.

5.e3 a6 6.a4 d6 7.Ne2 e5 8.d3 Nc6 9.b5 Ne7 10.Nd2 c6 11.c4 Bf5 12.Qb3 Qd7 13.0-0 Bh3 14.Ba3 Bg2 15.Kg2 Rfd8 16.ba6 ba6 17.Rab1 h5 18.Qb7 Qe6 19.Nf3 Qd7 (19...Nd7 20.h3=) 20.Nc3 (20.Ne5 Qb7 21.Rb7 de5 22.Be7 Rd3+=) 20...Ne8 21.a5 Nc7 22.Na4 Rdb8? (better is 22...Qc8+=) 23.Qb8+- Rb8 24.Rb8 Bf8 25.Nb6 Qe6 26.Ng5 Qf6 (26...Qg4 27.Bd6 Qg5+-) 27.Rf8! Kg7 (27...Kf8 28.Nd7 Double attack) 28.Rf7 Qf7 29.Nf7 Kf7 30.Bd6 Ne6 31.Be7 (better is 31.Nd7 e4 32.Ne5 Kf6 33.de4 Ng5 34.Be7 Ke7 35.Nc6 Kd6+-) 31...Ke7 32.f4 1–0. Olcum,Ahmet (1870) – Tavalioglu,Ali, TUR–ch op Antalya, 2008.

5.e3 d5 6.Ne2 Qd6!?+=.

5.Nh3 d5 6.0-0 c6 7.a3 a5 8.ba5 Qa5 9.Kh1 Re8 10.f4 Ne4 (10...b5!?-/+) 11.Bg7=+ Kg7 12.d3 Nd6 13.Nd2 Na6 14.Nf2 Nc5 15.e4 e6 16.Qc1 Na4 17.f5 (17.Nb3 Qb6=) 17...ef5 18.ed5 cd5 19.Nb3 Qc3 20.Bd5 Be6 21.Bg2 Rac8?? (better 21...Bb3 22.cb3 Qb3=+) 22.Qf4+- Qc2 23.Nd4 Qc3 (23...Qc5 24.Ne6 fe6 25.Qa4+-) 24.Ne6 Re6 25.Qa4 b5 26.Qb4 Qc2? (26...Qb4 27.ab4 Re2+-) 27.Bd5 Re2 (27...Rf6 28.Ng4! fg4 29.Rf6 Kf6 30.Qd6 Kg7 31.Rf1+-) 28.Qd6 (better 28.Ra2!? Qc5 29.Re2 Qd5 30.Kg1 Qc5+-) 28...Rf2 29.Rf2 (29.Qe5 Kg8 30.Bf7 Kf7 31.Qd5 Kf8 32.Qd6 Kg8 33.Qe6 Kg7 34.Qe7 Kg8 35.Rf2 Qf2 36.Qe6 Kg7 37.Qd7 Kh6 38.Qc8 Qf3 39.Kg1 Qe3 40.Kf1 Qd3 41.Kg2 Qe4 42.Kh3 Qg4 43.Kg2 Qe4 44.Kh3 Qg4 45.Kg2 Qe4=) 29...Qf2 30.Qe5 Kg8 31.Re1 (31.Qe7 Kg7+-) 31...Rf8 (31...Rc2 32.Qe8 Kg7 33.Qf7 Kh6 34.Qf8 Kh5 35.g4 Kg4 36.Rg1 Kh5 37.Bg2+-) 32.d4 h5 (32...Rc8 33.h3+-) 33.h4 (better 33.Ra1+-) 33...Rd8?? (33...f4 34.gf4 Qh4 35.Kg2 Qg4 36.Kf2 Qh4 37.Ke2 Qh2 38.Kd3 Qb2+-) 34.Bf7 Kf7 35.Qe7 Kg8 36.Qd8 Kf7 (36...Kg7 37.Re7 Kh6 38.Qf8) 37.Re7 (37.Re7 Kf6 38.Qd6) 1-0. is_er_nog_hoop (2575) - makeareason (2580), Rated blitz game, lichess.org, 2022.

5.c4 d6

6.a4 Nc6 7.b5 (7.Qb3-/+ Be6 8.Nf3 d5 9.Na3 dc4 10.Nc4 a6 11.Qc3 Ne8 12.d4=; 7.Bc3 e5 8.Nf3 e4 9.Ng5 Re8 10.b5 Ne5 11.Ne4 Ne4 12.Be4=) 7...Na5 8.Na3 e5 9.d3 Be6 10.Nf3 Re8 11.Bc3 c5 12.0-0=.

6.a4 Nbd7 7.Nf3 (7.d3 c6 8.Nf3 Qb6 9.Bc3 d5 10.a5 Qa6 11.Nbd2 dc4 12.Nc4=; 7.a5 e5 8.Nh3 a6 9.0-0 Re8 10.Nc3 Qe7 11.f4 e4 12.Qb3=) 7...a5 8.b5 e5 9.d3 Nc5 10.0-0 Be6 11.Ng5 Bg4 12.Nc3=.

6.a4 e5 7.d3 (7.Nc3 Nc6+= 8.b5 Nd4 9.e3 Nf5 10.Nge2 a6 11.0-0 ab5 12.ab5=; 7.b5 Nbd7 8.Nf3 e4 9.Nd4 Ne5 10.Qc2 c5 11.Nb3 Re8 12.0-0+=; 7.a5 a6 8.Qb3 Re8 9.Nf3 e4 10.Ng5 h6 11.Nh3 d5 12.0-0+=; 7.Nh3 Na6 8.b5 Nc5 9.0-0 Be6 10.d3 h6 11.Kh1 Qd7 12.Ng1+=; 7.Qb3 a5 8.b5 Nbd7 9.Nf3 Nc5 10.Qc3 Bf5 11.0-0 Re8 12.h3+=) 7...a5 (7...Na6 8.Bc3 (8.Qb3+= c6 9.Nf3 Qb6 10.Bc3 Nc5 11.Qc2 Ne6 12.a5=) 8...c5 9.b5 Nb4 10.Nf3 Bg4 11.0-0 Re8 12.a5=) 8.ba5 (8.b5 Nbd7 9.Nf3 Nc5 10.0-0 Re8 11.Nc3 Bg4 12.h3=) 8...Ra5 (8...Nc6 9.Nf3 Ra5 10.Bc3 Ra6 11.0-0 b6 12.Qb3+=) 9.Nd2 (9.Nf3 Nc6 10.Bc3 Ra6 11.Nbd2 b6 12.0-0+=) 9...Nc6 (9...Qe8 10.Bc3 Ra6 11.Ngf3 Bd7 12.a5=) 10.c5 (10.Ngf3 Re8-/+ 11.0-0 Qe7 12.Bc3=) 10...d5 (10...Be6 11.cd6 A) 11...Qd6 12.Ba3= (12.Ngf3-/+); B) 11...cd6 12.Ngf3+=) 11.Nb3-/+ (11.Nh3 Bh3 12.Bh3+=) 11...Ra6 12.e3 (12.Nf3 d4-/+) 12...Bg4 (12...Bf5 13.Nf3 Nb4 A) 14.Ne5?? Ng4 15.e4 de4 16.de4 Be6-+ (16...Be5?! 17.Qd8 Rd8 18.Be5-+); B) 14.Bf1-+) 13.Ne2-/+ Qe7 14.Qd2 White plans a5 14...h5 (14...Qe6 15.h3 Be2 16.Qe2-/+) 15.h3 (15.0-0 Rd8-/+) 15...Be6 16.Nec1 (16.Ra3 Nd7-/+) 16...Rfa8 (16...h4 17.0-0-+) 17.a5 Nd7 (17...Bh6 18.Qe2-+) 18.f4 (18.0-0 Nc5 19.Ba3 Nb3 20.Nb3 Qg5-+) 18...Nc5 (18...h4 19.g4 ef4 20.Bg7 Kg7 21.0-0 fe3 22.Qe3-+) 19.fe5 Nb3 (19...Ne5?! 20.Nc5 Qc5 21.d4+=) 20.Nb3 Ne5 21.0-0 b6 (21...Qg5!? 22.Nc5 Qg3 23.Na6 Ra6 24.Rab1-+) 22.ab6-/+ Ra1 23.Ba1 cb6 24.Nd4 Nd7 25.Kh2 (25.Bc3 Qd6 26.Qf2 Rc8 27.Ne6 Qe6 28.Bg7 Kg7 29.Qb2 Ne5-/+) 25...Rc8 (25...Be5 26.Ne6 Qe6 27.Be5 Ne5 28.Qb2-/+) 26.Bb2 (26.Ne6 Qe6 27.Bg7 Kg7-/+) 26...Be5 27.Ne2 Qd6 28.h4 (28.Nf4 b5-/+) 28...Bb2 29.Qb2 Ne5 30.Qd4 Ng4 31.Kg1 Qc5 32.Rb1? (better is 32.Qc5 Rc5 33.Rb1-/+) 32...Qc2-+ 33.Rb2 Qd1 34.Bf1 Rc6 (34...Qe1 35.e4 de4 36.de4 Rc6 37.Rb6 Rb6 38.Qb6 Bc4-+) 35.Ra2-/+ Qe1 (better is 35...Kh7 36.Ra1 Qd2-+) 36.Qf4? (better is 36.e4!? de4 37.Ra1-/+) 36...Rc8 (36...Bd7 37.Qf3-+) 37.Rb2 (better is 37.Nd4-+) 37...Bf5 38.Rb6 Bd3 39.Rb8 (39.Rb7 Rf8 40.Rb2-+) 39...Rb8 (39...Be2?! 40.Rc8 Kg7 41.Rc7 Qf1 42.Qf1 Bf1 43.Kf1 Ne3 44.Kf2=) 40.Qb8 Kg7 41.Qb2 Kh7 42.Qb7 (42.Qf6 Nf6 43.g4 Be2 44.gh5 Qf1 45.Kh2 Ng4 46.Kg3 Qf3) 42...Qf2 (42...Qf2 43.Kh1 Qh2; 42...Be2?! 43.Qf7 Kh6 44.Qf8 Kh7 45.Qf7 Kh8 46.Qf8 Kh7 47.Qf7=) 0–1. Hepting,Heinrich (2205) – Prusikin,Mihailo (2515), LGA Premium Cup, Nuernberg GER, 2004.

6.Nc3 Nc6 7.b5 Nd4 8.Nf3 Nf3 9.Bf3=.

6.Nc3 e5 7.Qc2 Nc6+= 8.a3 Nd4 9.Qd1 Re8 10.e3 c6 11.Nh3 (better is 11.d3!? Nf5 12.Nf3=) 11...Bg4-/+ 12.f3 Nf3! 13.Bf3 Bh3 14.Qe2 d5 15.cd5 cd5 16.Bg2 Bg2 17.Qg2 Qd7 18.0-0 Rad8 19.Rac1 Re7 20.a4 (20.Rc2 b5-/+) 20...a6 (20...d4 21.Nb5 Ne8 22.ed4-+) 21.b5 (21.a5 d4 22.Ne4 Nd5 23.ed4 ed4-/+ (23...Nb4?! 24.de5 Nd3 25.Nc5 Nc5 26.Rc5+=)) 21...d4-+ 22.Ne4 Ne4 23.Qe4 ab5 24.Ba3 Re6 25.ab5 Rb6 26.ed4 ed4 27.Rc4 (27.Qf4 f5-+ (27...Rb5?! 28.Rc7 Qe6 29.Qf7 Qf7 30.Rff7+=)) 27...Rb5 (worse is 27...Qb5 28.Rc7 Bf6 29.Qf3-/+) 28.Rfc1 (28.Qd3 Ra5-+) 28...d3 29.Bc5?! (29.Bb4-+) 29...Re8 30.Qf4 (30.Qg4 Qg4 31.Rg4 Rc8-+) 30...Bb2 (better is 30...Rc5 31.Rc5 Bd4 32.Kh1 Bc5 33.Qf3-+) 31.Bd4 (31.Be3 g5 32.Qf1 Bc1 33.Rc1-+) 31...Bd4 (better is 31...Bc1 32.Rc1 Rf5-+) 32.Rd4 Rd5 33.Rb4 (33.Re4 Re4 34.Qe4 Ra5-+) 33...Rde5 34.Rd4 Rd5 (34...Qb5!? 35.g4-+) 35.Re4?? (35.Rb4 b5 36.Re4-+) 35...Re4-+ 36.Qe4 h5 37.Rc3 b5 38.Kg2 (38.Qf3 Qa7 39.Kh1 Qd4-+) 38...Kg7 39.h4 (39.Qf3 Rd4-+) 39...Qd6 40.Kf3 (40.Qf3 b4 41.Rb3 Rd4-+) 40...Rd4 41.Qe3 b4 42.Rc8 (42.Rb3 Qd5 43.Kf2 Kh7-+ (43...Qb3?! 44.Qd4 Kg8 45.Qd8 Kh7 46.Qd4-+)) 42...Qd5 (42...Qd5 43.Kf2 Qf5 44.Kg2 Rh4 (44...Qc8?! 45.Qd4 Kh7 46.Qb4-+) 45.gh4 Qc8 46.Qd4 f6 47.Qd3 Qg4 48.Kf1 Qf4 49.Ke2 Qh4-+) 0–1. Oblin,Pierre (1910) – Safranska,Anda (2220), 7th LUCOPEN, 2016.

6.Nc3 e5 7.d3 Nc6 8.a3 Re8 9.e3 Rb8 (9...Bg4 10.Nge2=) 10.Nge2 a6 11.0-0 Ne7 (11...Bd7 12.Qc2=) 12.Nd5 (12.Qd2 Nf5+=) 12...Nfd5 (12...Ned5 13.cd5 Bg4 14.e4=) 13.cd5 c6 14.Nc3 cd5 15.Nd5 Nd5 16.Bd5 Bh6 (16...Be6 17.Be6 Re6 18.e4=) 17.Rc1 Be6 18.Qb3 Bd5 19.Qd5 Qd7 (19...Qb6 20.Rc4+=) 20.Rc2 Bf8 21.f4 Qe6 (21...Bg7 22.e4+/-) 22.Qe6+/- Re6 23.fe5 (23.e4 ef4 24.Rf4 Rbe8+/-) 23...de5+= 24.Rc7 f6 25.d4 Bh6 26.Kf2 ed4 27.Bd4 (27.ed4 Rc6 28.Rc6 bc6+=) 27...Rbe8 28.Kg2 f5 29.Rb7 Be3 30.Be3 Re3 31.Rd1 g5 32.Rdd7 (32.a4 Re2 33.Kg1 Re1 34.Re1 Re1 35.Kf2 Rh1=) 32...g4 (32...Ra3? 33.Rg7 Kh8 34.Rh7 Kg8 35.Rhg7 Kh8 36.Rg5 Re2 37.Kh3+-) 33.Rg7 ½–½. Dickson,Pat – Kartal,Zeljko, IECC, 1996. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6)

6.Nc3 e5 7.Nf3 e4 8.Nd4 c5=.

6.d3 a6 7.Nd2 (7.Nf3 Nc6 8.a3 e5=) 7...c6 (7...a5 8.b5=) 8.Ngf3 Bd7 (8...a5 9.b5=) 9.0-0 a5 10.a3 ab4 11.ab4 Ra1 (11...Na6 12.Qb3=) 12.Qa1 Na6 13.Bc3 Qc8 (13...e5 14.Qb2=) 14.Ne4+= Nb4 (14...Ne8 15.Bg7 Ng7 16.Qc3+=) 15.Nf6+/- Bf6 16.Bf6 ef6 17.Qf6 Be6 18.Rb1 Na6 (18...c5 19.Nd2+/-) 19.Qe7 Qd8 (19...d5!? 20.cd5 cd5 21.Qb7 Qb7 22.Rb7 Rc8+/-) 20.Qb7+- Qb8 21.Nd4 Qb7 (21...d5 22.Nc6 Qb7 23.Rb7 dc4 24.Rb6+-) 22.Rb7 c5 (22...d5 23.Rb6 Rb8 24.c5+- (24.Ra6 Rb1 25.Bf1 Bh3 26.Ra8 Kg7 27.Ne6 Kf6 28.Ra1 Ra1 29.cd5 Rf1)) 23.Ne6 fe6 24.Rb6 Nb8 1–0. Hernandez,L – Pulla,Armijos Oscar, Szeged, 1994. (=1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.g3 0-0 5.Bg2 d6)

6.d3 Na6 7.a3=.

6.d3 c6 7.Nf3 Qb6 8.Qb3 Na6 9.a3 c5 (9...Nc5 10.Qc2 Ne6 11.Nc3=) 10.b5 Nc7 11.Nc3 Ne6 12.0-0 Qd8 (12...Bd7 13.e3=) 13.a4+= Nd4 (13...Bd7 14.e3+=) 14.Nd4 cd4 15.Na2 (15.Ne4 Ne4 16.Be4 Rb8+=) 15...Nd7= 16.a5 (16.Nb4 Nc5 17.Qa3 Qa5=) 16...Qa5 17.Nb4 Qd8 18.Na6 Qb6 (18...Nb6 19.Nb4=) 19.Rfb1 (19.Ba3!?=) 19...Nc5 20.Qc2 Bf5 (20...Na6? 21.ba6 Rb8 22.ab7+-) 21.Nb4 (21.Nc5 dc5 (worse 21...Qc5 22.Bb7 Rab8 23.Bc6+-) 22.Bc1 h5=+) 21...e6 22.Bc1 Rfc8 (22...Bf6 23.Bh6=) 23.h3 h5 24.Qd1 Qd8 25.Ra3 e5 (25...Kh8 26.Rba1=) 26.Rba1 Qd7 (26...e4 27.Ra7 Ra7 28.Ra7=) 27.Kh2 (27.Nd5 Bh3 28.Bh3 Qh3 29.Ne7 Kh7 30.Nc8 Rc8 31.Ra7 h4+=) 27...Qd8 (27...e4 28.Ra7 Ra7 29.Ra7=) 28.Qh1 (28.Ra7!? Ra7 29.Ra7=) 28...e4= 29.R1a2 (29.de4 Be6 30.Nd5 d3=) 29...a5 (29...d5 30.Nd5 ed3 31.Qf1 de2 32.Qe2=+) 30.ba6= ba6 (30...Na6 A) worse 31.de4 Nb4 32.Ra8 Na2 (worse 32...Ra8 33.Ra8 Qa8 34.ef5+=) 33.Ra2 Be6-/+; B) 31.Na6 Ra6 32.Be4 Be4 33.Qe4=) 31.de4 Bd7 32.Bd2 (32.h4 a5 33.Nd5 Ne6=) 32...h4 (32...Rab8 33.Nd5=) 33.g4 (33.e5 Ra7 34.ed6 Qb6+=) 33...g5 (better 33...a5!? 34.Nd5 a4=+) 34.Qc1= (worse 34.Na6 Be5 35.f4 gf4-/+) 34...Be5 35.Kg1 a5 36.Nd5 f6 37.f4 (37.Rb2 a4 38.Nb6 Nb3 39.Rbb3 ab3 40.Na8 Ra8 41.Rb3 Be6=) 37...gf4= 38.Bf4 (worse 38.Nf4 a4=+) 38...Be6 39.Be5 Bd5?? (39...fe5 40.Qh6 Bd5 41.Qg6 Kh8 42.ed5=) 40.ed5?? (better 40.Bd4 Be4 41.Qh6+-) 40...fe5= 41.Qh6 Rc7 42.Ra5 Ra5 43.Ra5 Rh7 44.Qg6 Rg7 45.Qh5 Qa5 46.Qe8 Kh7 47.Qh5 Kg8 48.Qe8 ½–½. Chagas,Fernando Paulino (2140) – Manzi,LABardar (2105), 3rd IRT do CXG, 2013.

6.d4 Nbd7 7.Nf3 c6 8.0-0 Ne4 9.Nbd2 Nd2 10.Qd2 Nf6 11.d5 cd5 12.cd5 Bd7 13.Nd4 a5 14.b5 a4 15.Rac1 Qb6 ½–½. Baerner,Helmut (2135) – Kornthaler,Reinhard (1830), Wattens op, 1996. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6)

6.e3 e5 7.Ne2 Nc6 8.b5 Ne7 9.0-0 Ne8 10.a4 f5 11.d3 Nf6 12.Nd2 g5 13.a5 a6 14.Nc3 f4 15.ef4 ef4 16.Nce4 (16.gf4 gf4 17.Re1 c6+=) 16...h6 (better is 16...Ne4!? 17.Bg7 Nf2=) 17.Nf6 Bf6 18.Bf6 Rf6 19.Ne4 Rf8 20.Nc3 Ng6 21.Bd5 Kg7 22.Qd2 fg3 23.fg3 Ne7 (23...ab5 24.Rf8 Nf8 25.Qf2+/-) 24.Bg2 ab5 25.Nb5 c6 26.Rf8 (better is 26.Qb2!? Kg8 27.Rf8 Qf8 28.Nd6+-) 26...Kf8+/- 27.Nd4 Ng6 28.Be4 Ne5 29.Nf5 Bf5 30.Bf5 ½–½. Hal1958 – Eli, playchess.de, 2005.

6.e3 e5 7.Ne2 Be6 8.d3 c6 9.0-0 Nbd7 10.Nd2 (10.Nbc3 Qb6=) 10...a5 11.a3 Ne8 (11...Qb6 12.Bc3=) 12.f4 (12.Qc2 d5=) 12...f5 (better is 12...ab4!? 13.ab4 Ra1 14.Ba1 Qb6+=) 13.Nf3+= h6 (13...Bf6 14.Qd2+=) 14.Qc2= Qe7 (14...e4 15.Nfd4 ed3 16.Qd3=) 15.h3 (15.b5 cb5 16.cb5 Qd8+=) 15...Bf7 Black intends e4 (15...e4 16.Bg7 Qg7 17.de4 ab4 18.Nfd4+=) 16.Kh2 (16.fe5 de5 17.Bc3 Nef6=) 16...Nc7 (16...Nef6 17.fe5 de5 18.Rad1=) 17.d4 White prepares c5 (17.ba5 Ra5 18.Bc3 Ra6=) 17...e4 18.Nd2 d5 (18...Be6 19.Nb3=) 19.c5 Bf6 (19...ab4 20.ab4 Qf6 21.Kg1=) 20.Nb3 (20.ba5 Ra5 21.Bc3 Ra7=) 20...ab4 21.ab4 Na6 22.Qd2 (22.Ba3=) 22...b6 (22...Rfb8 23.Ra2=) 23.Ra2 (23.b5 cb5 24.c6 Ndb8+=) 23...bc5= 24.dc5 Bb2 (24...d4 25.Ned4 Bd4 26.Qd4 Bb3 27.Ra3+=) 25.Rb2+= Rfb8 (25...Nab8 26.Ned4+=) 26.Na5 (26.Ra1 Be8+=) 26...Qf6 (26...Rc8 27.Nd4 Nab8 28.Rc1+=) 27.Nd4+/- White plans b5 27...Rc8 28.Nac6 Rc6 29.Nc6 Qc6 30.b5 Qc5 (30...Qf6 31.ba6 Nc5 32.Rfb1 Ra6 33.Rb5+/-) 31.Rc1 Qa7 (better is 31...Qe7!? 32.ba6 Ra6+/-) 32.Ra1+- (32.ba6?! Qa6 33.Rc7 Qd6+/-) 32...Ndc5 33.ba6 d4 (33...Qc7 34.Qd4 Nd3 35.Rb7+-) 34.Qd4 (34.ed4?! Nb3 35.Rb3 Bb3+/-) 34...Nb3 (34...Qe7 35.a7! Nb3 36.Qe5+-) 35.Qa7 Ra7 36.Ra3 Nc5 37.Rb6 Kg7 38.g4 h5 (38...Nd7 39.Rb7 Rb7 40.ab7+-) 39.Kg3 (39.gf5!? gf5 40.Ra5 Nd7+-) 39...hg4 40.hg4 fg4 (40...Nd7 41.Rb7 Rb7 42.ab7+-) 41.Ra5 Nb3 42.Rb7 Ra8 43.Be4 Na5 44.Rf7! Kf7 45.Ba8 (45.Ba8 Ke6 46.a7+-) 1–0. cgits (2000) – iivanov (2000), net–chess.com, 2005. (=1.c4 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.Bg2 d6)

6.Nf3!? (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 d6 6.Bg2).

6.f4 c5 7.a3 Qb6 8.Qb3 Nc6 9.b5 Be6 10.Qc3 (10.d3 Na5 11.Qc2 d5 12.cd5 Bd5 13.Bd5 Nd5 14.Bg7 Kg7 15.Qb2 Kg8+=) 10...Nd4 (10...Ne8!? 11.Qc2 Bb2 12.Qb2 Bc4-/+) 11.e3+= Nf5 12.Nf3 (12.Qc2 a6 13.e4 Nd4 14.Bd4 cd4 15.ba6 Qa6-/+ (15...ba6?! 16.e5 Nd7 17.Ba8 Ra8 18.Ne2+=)) 12...Ne4 13.Qc2 Bb2 14.Qb2 Bc4 15.Qc2 Bd5 16.g4 Nh6 17.d3 (17.Ng5 Ng5 18.Bd5 Ne6+=) 17...Ng4 (better is 17...Qa5 18.Ke2 Qb5-+) 18.Qe2? (18.de4 Ne3 19.Qd2 Ng2 20.Qg2 Be4-+) 18...Nef2?? (better is 18...Qa5 19.Nfd2 Nd2 20.Nd2 Bg2-+) 19.0-0-/+ Qb5 20.Ne1? (better is 20.Nc3 Qd3 21.Qd3 Nd3 22.Nd5-/+) 20...Bg2-+ 21.Kg2 Ne3! 22.Qe3 Qb2 23.Nc2 (23.Qf2 Qa1 24.Nf3-+) 23...Ng4 (23...Qc2?! 24.Rf2 Qd1 A) 25.Qe7?? Qg4 (25...Qd3?! 26.Nd2+=) 26.Kh1 Rae8 27.Qf8 Kf8-+; B) 25.Qe2 Qe2 26.Re2-/+) 24.Qe2 Rac8 (better is 24...Qc2! 25.Nd2 Nh6-+) 25.Kg3 (better is 25.Kg1!?-/+) 25...Nh6-+ 26.a4 (26.Re1 Nf5 27.Kg2 d5-+) 26...Nf5 27.Kf3 (27.Kh3 Nd4 28.Nd4 Qa1-+ (28...Qd4?! 29.Nd2-/+)) 27...Nd4 (better is 27...Qc2! 28.Qc2 Nd4 29.Kg3 Nc2 30.Ra2-+) 28.Nd4 Qa1 (28...Qd4?! 29.Nd2-/+) 29.Nc2 (29.Nb5 Qa4 30.N1c3 Qa5-+) 29...Qa4 30.Nc3 Qc6 (30...Qc6 31.Kf2 e6-+) 0–1. Kovar,Vojtech – Rerabkova,Lucie, Svetla nad Sazavou op–A, 1999. (=1.g3 Nf6 2.Bg2 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 d6)

5.d3 d5

6.Nd2 a6 7.c4 dc4 8.Nc4 Nc6 9.a3 Bg4 10.Bf3 (10.Bc6 bc6 11.Rc1 c5+=) 10...Qe8 11.Bg4 Ng4 12.Bg7 Kg7 13.e3 b5 (better is 13...Qd7=) 14.Qg4+/- bc4 15.Qc4 Ne5 16.Qc3 f6 17.Ne2 (17.d4 Nf7+-) 17...Nf3 (17...c5 18.0-0 cb4 19.ab4+/-) 18.Kf1+- Rd8 19.Kg2 Ne5 20.d4 Nf7 21.Qc7 Rc8 22.Qa5 Qc6 23.e4?? Qc2 24.Nf4 Qe4= 25.Kg1 g5 26.Ng2 Rc2 27.Ne3+/- Re2 28.Nf5 Kg6= 29.Ne3?? Qd4?? 30.Qf5+= Kg7 31.Rd1 Qb2 32.Ng4 Nh6?? 33.Qf3?? Ng4-/+ 34.h3?? Nf2 35.Rh2 Nh3! 36.Kh1 Rh2# 0–1. diablo005 – drevorubac, kurnik, 2012.

6.Nf3 a5 A) 7.ba5 c5 (7...Ra5 8.0-0 Nc6 9.Nbd2 Ra7 10.c4 Be6 11.Qb3 Qd6 12.e4 d4 13.e5 Ne5; 7...Nc6 8.Nbd2 Qd6 9.c4 d4 10.Nb3 e5 11.Qd2 Ng4 12.0-0 Bh6 13.Qe1 Be6; 7...Bg4 8.0-0 Nc6 9.Nbd2 Ra5 10.c4 Qa8 11.cd5 Rd5 12.Nc4 Rh5 13.Qc2 Bh3; 7...Bd7 8.0-0 Ra5 9.Nbd2 Nc6 10.c4 dc4 11.Nc4 Ra7 12.Qc2 Ra6 13.Rfc1 Be6; 7...c6 8.0-0 Qa5 9.Nbd2 b5 10.Nb3 Qb4 11.Bd4 Nbd7 12.Qc1 Qd6 13.c4 e5) 8.0-0 Qa5 9.c4 dc4 10.dc4 Rd8 11.Qb3 Nc6 12.Ne5 Ne5 13.Be5 Ra7; B) 7.Qd2 ab4 (7...c6 8.0-0 Nbd7 9.a3 Qc7 10.c4 dc4 11.dc4 Rd8 12.Rd1 Ne4 13.Qc2 Ndf6; 7...b6 8.b5 c6 9.c4 cb5 10.cb5 Bf5 11.0-0 Qd7 12.Nc3 Rc8 13.Rac1 a4) 8.Qb4 Na6 9.Qh4 h6 10.Qf4 c5 11.0-0 Qb6 12.Qc1 Qe6 13.Re1 Rd8; C) 7.b5= c6 (7...Bd7 8.c4 dc4 9.dc4 Qc8 10.Be5 Rd8 11.Qa4 Bf5 12.0-0 Nbd7 13.Bd4 Nb6; 7...Qd6 8.Nbd2 c6 9.bc6 Nc6 10.c4 d4 11.Rb1 a4 12.a3 e5 13.0-0 Re8; 7...Bg4 8.0-0 Qc8 9.Nbd2 Bh3 10.c4 Bg2 11.Kg2 Rd8 12.Rc1 c6 13.Bf6 Bf6) 8.Na3 Bd7 9.c4 cb5 10.cb5 Qb6 11.0-0 a4 12.Qd2 Qd6 13.Rfc1 h6.

6.Nf3 c6 7.0-0 (7.a3 a5 8.0-0 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Qd2 Qb6 12.Bc3 Bg4 13.Qf4 Bf3) 7...a5 (7...Qb6 8.a3 c5 9.Be5 cb4 10.Bd4 Qe6 11.ab4 Nc6 12.Bc3 a6 13.Nbd2 Bd7; 7...Qd6 8.a3 Nbd7 9.c4 e5 10.cd5 cd5 11.Qd2 Re8 12.Rc1 Nb6 13.Qg5 Bf5; 7...Nbd7 8.c4 a5 9.cd5 cd5 10.b5 a4 11.Na3 Re8 12.Qd2 Qb6 13.Rfc1 e5) 8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Qd2 Qb6 12.Bc3 Bg4 13.Qf4 Bf3.

6.Nf3 Qd6 A) 7.c3 e5 (7...Nbd7 8.0-0 c5 9.bc5 Nc5 10.Nbd2 b5 11.c4 dc4 12.dc4 a6 13.Rc1 Rd8; 7...Re8 8.Nbd2 e5 9.0-0 Na6 10.a3 c5 11.bc5 Nc5 12.d4 ed4 13.cd4 Nce4; 7...Bd7 8.0-0 a5 9.a3 Rd8 10.Nbd2 ab4 11.ab4 Ra1 12.Qa1 Na6 13.e4 de4; 7...c6 8.Nbd2 Nbd7 9.0-0 a5 10.ba5 Ra5 11.c4 e5 12.Nb3 Ra6 13.c5 Qe6; 7...Bg4 8.Nbd2 e5 9.c4 Nbd7 10.cd5 Qb4 11.Rb1 Qd6 12.Qb3 Nc5 13.Qc4 Bf3) 8.0-0 Nbd7 9.Nbd2 a5 10.b5 a4 11.a3 Re8 12.c4 d4 13.Bc1 Nc5; B) 7.Bc3 Nbd7 (7...c6 8.0-0 Nbd7 9.Nbd2 e5 10.a4 Qe7 11.Nb3 e4 12.Nfd4 e3 13.h3 Nh5; 7...Re8 8.0-0 Nbd7 9.Nbd2 e5 10.a4 c5 11.b5 h6 12.a5 g5 13.h3 Rd8; 7...a6 8.0-0 Nc6 9.a3 Bg4 10.Nbd2 e5 11.Bb2 b5 12.c4 dc4 13.dc4 Rad8; 7...a5 8.ba5 Nc6 9.0-0 e5 10.a3 d4 11.Bb4 Nb4 12.ab4 Qb4 13.Qd2 Qc5; 7...Bg4 8.Nbd2 Na6 9.b5 Nb8 10.Rb1 Nbd7 11.h3 Bf3 12.Nf3 Rfe8 13.0-0 a6) 8.0-0 Rd8 9.Qd2 e5 10.a3 Re8 11.Bb2 Nb6 12.Nc3 Bd7 13.e4 d4; C) 7.a3 a5 8.Qd2 ab4 9.ab4 Ra1 10.Ba1 Nbd7 11.0-0 e5 12.c4 Re8 13.cd5 Nd5.

6.Nf3 Nbd7 A) 7.Nbd2 c6 (7...a5 8.ba5 Ra5 9.0-0 c6 10.c4 Re8 11.Bc3 Ra6 12.cd5 cd5 13.Qc2 e5; 7...Nb6 8.0-0 a5 9.b5 Qd7 10.Rb1 Rd8 11.Bd4 a4 12.c4 dc4 13.Bb6 cb6) 8.0-0 a5 9.a3 Re8 10.c4 e5 11.Qa4 Qc7 12.Qc2 Qd6 13.c5 Qe6; B) 7.0-0 c5 (7...Re8 8.c4 dc4 9.dc4 c5 10.a3 Qb6 11.Qa4 Qe6 12.Qc2 Rd8 13.Rd1 h6; 7...Nb6 8.Bd4 c6 9.Nbd2 Qd6 10.c3 Nbd7 11.e4 e5 12.Be3 a5 13.ba5 Ra5) 8.bc5 Nc5 9.Nbd2 b5 10.c4 dc4 11.dc4 b4 12.Bd4 Qc7 13.Nb3 Nb7.

6.Nf3 e6 7.Nc3 (7.0-0 Qe7= (7...a5 8.b5 c6 9.Na3 Qe7 10.c4 dc4 11.dc4 e5 12.Qb3 e4 13.Nd2 a4) 8.c4 dc4 9.dc4 Rd8 10.Qb3 c5 11.bc5 Nc6 12.Nc3 Nd7 13.Na4 e5) 7...a6 (7...e5 8.Ne5 Qd6 9.d4 Qb4 10.Rb1 Ne4 11.Qd3 f5 12.0-0 c6 13.f3 Nc5; 7...Qe7 8.a3 e5 9.0-0 c6 10.Nb1 Nbd7 11.c4 dc4 12.dc4 e4 13.Nd4 e3; 7...Qd6 8.a3 c6 9.0-0 Nbd7 10.b5 e5 11.Rb1 Rb8 12.e3 Rd8 13.a4 c5; 7...Re8 8.0-0 e5 9.Na4 Qd6 10.c4 c6 11.a3 Nbd7 12.cd5 Nd5 13.Nd2 Rd8; 7...a5 8.b5 Qd6 9.0-0 Nbd7 10.a4 Rd8 11.e4 de4 12.Ne4 Ne4 13.Bg7 Ng3; 7...Nbd7 8.0-0 e5 9.e3 Qe7 10.a3 c6 11.Qd2 Re8 12.e4 d4 13.Ne2 Rd8) 8.0-0 b5 (8...Nc6 9.a3= e5 10.Nb1 e4 11.Nd4 Qd6 12.Nb3 ed3 13.cd3 Re8; 8...Qd6 9.a3 Nbd7 10.Na2 Rd8 11.c4 e5 12.cd5 Nd5 13.Qc2 c6) 9.a4 c6 (better is 9...Qd6!?= 10.Qd2 Nc6 11.ab5 Nb4 12.Nd1 Bd7 13.Be5 Qc5) 10.ab5+/- cb5 (10...Qd6 11.ba6 Ra6 12.b5 Ra1 13.Qa1 Nbd7) 11.Nb5! Bd7 (11...ab5 12.Ra8 Nc6 13.c4 bc4; 11...Bb7 12.Nbd4 Qd6 13.Qd2 Rc8) 12.Nbd4 Ne8 (12...Qe7!?+/- 13.c4 e5) 13.Qd2 (13.c4 Nd6) 13...Qb6 (13...Nd6+-) 14.c4 dc4 (14...Ra7 15.Rfb1+-) 15.dc4 Nc7 (15...Ra7 16.Rfd1+-) 16.Ng5 Nc6 (16...e5 17.c5 Qa7 18.Ba8 Qa8 19.Nc2+-) 17.Nc6 Bc6 18.Bg7 Kg7 19.Qd6 Rad8 (19...Rfd8 20.Qc6 Qc6 21.Bc6+-) 20.Qc6 Qc6 21.Bc6 Rd2 (21...Rd6 22.Be4+-) 22.e3 (22.Rfd1 Rfd8 23.Rd2 Rd2+-) 22...Rb2 (22...Rc2 23.Rfc1 Rc1 24.Rc1+-) 23.b5! ab5 24.Ra7 Ne8 (24...h6 25.Ne4 Ne8+-) 25.Ne6 Kg8 26.Nf8 Kf8 27.Ra8 b4 (27...bc4 28.Re8 Kg7 29.Rc1+-) 28.Re8 (28.Be8 Kg7+-) 28...Kg7 29.Be4 Ra2 30.Rb1 Rd2 31.Rb4 Rd1 32.Kg2 Rc1 33.Bd5 Kh6 34.Rb7 f5 (34...Rb1 35.Rb1 Kg7 36.Rb7 Kf6 37.Rf7 Kg5 38.h4 Kh6 39.Rh8 g5 40.Rhh7 Kg6 41.h5) 35.Ree7 Kg5 (35...Rg1 36.Kg1 Kg5 37.h4 Kg4 38.Kg2 Kh5 39.Rh7 Kg4 40.f3) 36.h4 Kf6 (36...Kh5 37.Rh7 Kg4 38.f3) 37.Re6 1–0. pierre – lome, internet, 2010.

6.Nf3 Bg4 A) 7.a3 a5 (7...Qd6 8.0-0 a5 9.b5 c6 10.c4 cb5 11.cb5 Nbd7 12.Nbd2 e5 13.h3 Be6; 7...Qc8 8.h3 Bf3 9.Bf3 Qe6 10.c4 c6 11.Nd2 Nbd7 12.e3 Rfd8 13.Rc1 a5; 7...Na6 8.Ne5 Bf5 9.c4 c6 10.Nd2 Qd6 11.0-0 Rfd8 12.Qc2 b5 13.e4 Ne4; 7...Nc6 8.0-0 Bf3 9.Bf3 Qd6 10.c4 Rfd8 11.b5 Ne5 12.Be5 Qe5 13.d4 Qe6; 7...Bf3 8.Bf3 Na6 9.0-0 c5 10.b5 Nc7 11.c4 Qd6 12.Qb3 Rfd8 13.Nc3 e6) 8.Ne5 Bf5 9.0-0 ab4 10.ab4 Ra1 11.Ba1 Qd6 12.Qd2 Na6 13.b5 Nc5; B) 7.0-0 Qd6 (7...Na6 8.b5 Nc5 9.c4 dc4 10.Qc2 a6 11.Qc4 Ne6 12.a4 ab5 13.ab5 Qd5; 7...a5 8.b5 Qc8 9.Nbd2 Bh3 10.c4 Bg2 11.Kg2 Rd8 12.Rc1 c6 13.Bf6 Bf6; 7...c6 8.a3 Qc8 9.Nbd2 Bf3 10.Nf3 Rd8 11.Bd4 b6 12.c3 Nbd7 13.Qd2 c5; 7...Qc8 8.Nc3 a5 9.b5 a4 10.e4 de4 11.Ne4 Ne4 12.Bg7 Nf2 13.Qe1 Kg7; 7...Nc6 8.b5 Nb8 9.c4 a6 10.Ne5 Nfd7 11.d4 Ne5 12.de5 dc4 13.Bb7 Ra7) 8.a3 a5 9.b5 c6 10.c4 cb5 11.cb5 Nbd7 12.Nbd2 e5 13.h3 Be6.

5.e3 c6

6.Ne2 d5

7.0-0 Qd6!?+=.

7.d3 Bg4 8.Nd2 Qd6 9.a3+=.

7.d3 Nbd7

8.Nd2 e5

9.c4 a5 10.b5=.

9.c4 dc4

10.Nc4 Nb6 11.Be5 Re8 12.Nb6 Qb6+=.

10.Nc4 Nb6 11.Ne5 Ng4 12.Ng4 Bb2 13.Rb1=.

10.Nc4 Re8 11.0-0=.

5.e3 d6

6.Ne2 c6 7.d3 a5 8.a3 (8.ba5 Qa5 9.Nbc3-/+) 8...Qb6 (8...ab4 9.ab4 Ra1 10.Ba1+=) 9.c3 (9.Nd2 Qc7=) 9...e5 (9...Nbd7 10.d4-/+) 10.Nd2+= Be6 (10...d5 11.c4 Re8 12.d4=) 11.0-0 (11.Nc4 Bc4 12.dc4 d5=) 11...Nbd7 (11...ab4 12.cb4 Nbd7 13.Qc2+=) 12.Qc2 (12.Nc4 Bc4 13.dc4 Qc7=) 12...Rfe8 (12...d5 13.Nf3+=) 13.Nc1 (13.Nc4 Bc4 14.dc4 e4+=) 13...d5 (13...ab4 14.cb4 d5 15.Ncb3+=) 14.Ncb3 a4 (14...ab4 15.ab4 Bf8 16.Ra5+=) 15.Nc1 (15.Na5 Qa6 16.c4 c5=) 15...Qa6 (15...c5 16.Na2+=) 16.Re1 Rac8 (16...Nb6 17.Ne2+=) 17.c4 b5 (17...Rcd8 18.c5=) 18.c5= Ng4 (18...Ra8 19.Ne2=) 19.f3 (19.Ne2 Rb8=) 19...Nh6 (19...Ngf6 20.h3+=) 20.f4 (20.e4 f5=) 20...f6 (20...d4 21.ed4 ef4 22.gf4+=) 21.Ne2 (21.e4 Bf7=) 21...Re7 (21...Ng4 22.Nf1+=) 22.e4 (22.Nf3 Rce8=) 22...d4 (22...Ng4 23.Nf1=) 23.Nf3 (23.h3 Rf8+=) 23...Rce8 (23...Ng4 24.Ned4 ed4 25.Nd4+=) 24.Ned4 (better is 24.h3!?=) 24...ed4-/+ 25.Nd4 Bf7 (25...Nf8 26.Bc3-/+) 26.h3 (26.Bc3+=) 26...Nf5 27.ef5 (27.Nf5 gf5 Combination; 27.ef5 Re1 Pinning (27...Re1 Deflection)) 27...Re1 28.Re1 Re1 29.Kf2 Re8 (29...Re7!? 30.Bc6 g5=) 30.Bc6+= Nf8?? (better is 30...Bb3 31.Qc3 Qc8+/-) 31.Bb5+- Qb7 (31...Qc8 32.Be8 Be8+-) 32.Be8 Be8 33.c6 Qc7 (33...Qc8 34.b5 Nd7 35.Qc4 Kh8 36.cd7 Qd7 37.b6+-) 34.Qc5 g5 35.Bc1 Bh6 (35...Qf7 36.c7 Qa2 37.Nc2 Bd7+-) 36.b5 gf4 (36...Qf7 37.fg5 fg5 38.b6+-) 37.b6 Qg7 (37...Qf7 38.b7 Qc7 39.Ke2 Bc6 40.Qc4 Kh8 41.Qc6 Qc6 42.Nc6+-) 38.g4 White prepares c7 38...Bg5 (38...Bc6 39.Qc6 Qd7 40.Qc4 Kh8+-) 39.c7 Bd7 40.b7 Qh6 41.c8Q Qh4 42.Ke2 Bc8 (42...Qe1 43.Ke1 Bh6 44.Qd5 Kg7 45.Qdd7 Kg8 46.b8Q f3 47.Bh6 f2 48.Kf2 Kh8 49.Qf8) 43.bc8Q Bh6 (43...f3 44.Kd1 Bh6 45.Ne6 Qe1 46.Ke1 f2 47.Kf1 Bg7 48.Q8f8 Bf8 49.Qf8) 44.Qd5 Kg7 (44...Kh8 45.Qdd8 f3 46.Kd1 Kg8 47.Ne6 Qe1 48.Ke1 f2 49.Kf1 Bg7 50.Qf8 Bf8 51.Qf8) 45.Qf8! Kf8 (45...Kf8 46.Ne6) 46.Ne6 (46.Ne6 Kg8 47.Qd8 Kf7 48.Qd7 Kg8 49.Qe8 Bf8 50.Qf8) 1–0. Maris,Ivo (2325) – Pel,Bonno (2255), Groninger Combinatie Open, 2017.

6.Ne2 Nbd7 7.0-0 e5 8.c4 a5 9.b5 Re8 10.d3 Nc5 11.Nbc3 h5 12.h3 Bf5 13.e4 Bd7 14.f4 c6 15.a4 h4 16.f5 (16.g4+=) 16...d5 (better 16...Qb6 17.Kh2 gf5 18.ef5 d5=) 17.fg6+/- fg6 18.ed5 cd5 19.Nd5 hg3 (19...Nd5 20.Bd5 Be6 21.Nc3+=) 20.Ng3 (20.Nf6 Bf6 21.Ng3 Bg7+/-) 20...Nd5 21.Bd5 Be6 22.Qg4 (better 22.Ne4 Bd5 23.cd5 Qd5 24.Qg4 Qd3 25.Nc5 Qe3 26.Kh2 Qc5 27.Qg6+=) 22...Qd5=+ (22...Bd5 A) 23.cd5 A1) 23...Nd3?? 24.Qg6 Qh4 25.Nh5+- (25.Qd3?! e4 26.Ne4 Bb2+-); A2) 23...Qb6 24.Kh2 Nd3+=; B) 23.Qg6 Re6 24.Qf7 Kh8 25.cd5+/-) 23.cd5 Bg4 24.hg4 Nd3 25.Bc3 Rac8 (25...Rad8 26.Ne4 Rd5 27.Nf6 Bf6 28.Rf6-/+) 26.Ne4 (26.Ba5 e4 27.Rad1 Bd4 28.Kg2 Rc2 29.Rd2 Rd2 30.Bd2 e3-/+) 26...Red8 27.Rad1? (27.d6 b6 28.Rf3=+) 27...Nf4?? (better 27...Rd5 28.Ba5 Rc4-+) 28.Ba5+= Rd5 29.Rd5 Nd5 30.Nd6 Rb8 31.Rd1 Ne3 32.Rd3 Ng4 33.Bc7 Ra8 34.a5 e4 35.Ne4 Be5 36.b6 (better 36.Bb6!? Rc8 37.Rd7+/-) 36...Ra5= 37.Rd8 Kf7 38.Be5 (38.Rb8 Bd4 39.Kg2 Ke6 40.Rb7 Kd5=) 38...Ne5 (38...Re5 39.Nd6 Ke7 40.Nb7-/+) 39.Nd6 (better 39.Rb8!?=) 39...Ke7-/+ 40.Nb7 Rb5 41.Rd6 Nd7 (better 41...g5!?-/+) 42.Rg6= Rb6 43.Rb6 Nb6 ½-½. is_er_nog_hoop (2500) - FirstKnight (2625), Rated bullet game, lichess.org, 2021.

6.Ne2 Nbd7 7.0-0 e5 8.c4 Re8 9.d4 a5 10.b5 ed4 11.e4 (better 11.Bd4!? Ne5 12.Nd2=) 11...Ne4 12.Bd4 Nef6 13.Nbc3 Nc5 14.Nf4 Bg4 15.Qd2 Qc8 16.h3 Bf5 17.Bf6 (17.Rae1 h6+=) 17...Bf6-/+ 18.Ncd5? (18.Nfd5 Bg7 19.b6 Bh3 20.Nc7 Bg2 21.Kg2=) 18...Bg7?? (better 18...Ba1!? 19.Ra1 Qd8-+) 19.g4 (19.Rae1!? Ne4 20.Qd1=) 19...Be6-/+ 20.Rae1 Bd5 21.Bd5 Qd7 22.Qc2 (22.Re8 Re8 23.Qa5 c6=+) 22...Re1 23.Re1 Re8 24.Re8 Qe8 25.Kf1 Qe5 (better 25...c6 26.bc6 bc6-/+) 26.Qd2? (better 26.Nd3 Qa1 27.Kg2 Nd3 28.Qd3=+) 26...Bh6-+ 27.g5 (27.Ng6 Bd2 28.Ne5 de5 29.h4-+) 27...Bg5 28.Ng6 hg6 29.Qa5 0-1. is_er_nog_hoop (2515) - FirstKnight (2575), NK Slow Bullet Qualifier, lichess.org, 2021.

6.Ne2 e5 7.0-0 a5 8.b5 Nbd7 9.c4 Nc5 10.d3 Rb8 11.Nbc3 b6 (11...Be6 12.d4 ed4 13.ed4+/-) 12.Na4 (12.d4 ed4 13.ed4 Ne6+=) 12...Ne6 (12...Re8 13.Nc5 dc5 14.e4=) 13.Nac3 h5 (13...Nc5!?=) 14.Qc2 h4 15.d4 ed4 16.ed4 Ng5 17.Rfe1 Bg4 18.Nd5 (18.Qd3!?+=) 18...Nd5= 19.Bd5 Nf3 (19...Bf3 20.Qd3 (worse 20.gh4 Nh3 21.Kf1 Bd5 22.cd5 Qh4-/+) 20...Nh3 21.Kf1 Bd5 22.cd5 hg3 23.fg3=) 20.Bf3 Bf3 21.d5 Qd7?? (better 21...Bb2 22.Qb2 Re8+=) 22.Bg7+- Qh3 (22...Rfe8 23.Bh6 hg3 24.fg3 Be4+-) 23.Nf4 Qg4 24.Bf8 g5 (24...Rf8 25.Re3 hg3 26.fg3 f5+-) 25.Re3 (better 25.h3 Qc8 26.Bh6+-) 25...gf4 (25...hg3 26.Rf3! Qf3 27.fg3 gf4+-) 26.Rf3! Qf3 27.Qd1 (27.gh4?! Qg4 28.Kh1 Qf3 29.Kg1 Qg4 30.Kh1 Qf3 31.Kg1=) 27...Qd1 28.Rd1 Rf8 29.gf4 (29.gh4!? Re8 30.Rc1+/-) 29...Re8+= 30.Kg2 Re4 31.Rc1 Rf4 32.f3 Kg7 33.Kf2 Kf6 34.Ke3 Ke5 35.Rc2 f5 36.a4 Rd4 37.Rg2?? (better 37.Rc1=) 37...f4 38.Ke2 Rc4 39.Rg5 (39.Kd3 Rd4 40.Kc3 Ra4 41.Rg5 Kf6-+) 39...Kd4 40.Rf5 Kc3 (40...Rc2 41.Kd1 Rh2 42.Rf4 Ke3 43.Re4 Kf3 44.Re7-+) 41.Rf7 Kb4 (41...Ra4 42.h3-+) 42.Kd3 Rc3 43.Kd4 (43.Ke2 Ka4 44.Rf4 Kb5 45.Rh4 a4-+) 43...Rf3 44.Rc7 Rh3 (better 44...Ka4!? 45.Rc6 Kb5 46.Rd6-+) 45.Rc6 f3 (45...Rh2 46.Rd6 Rd2 47.Ke4 Ka4 48.Rb6-+) 46.Rd6 f2 (46...Rh2!? 47.Rb6 h3 48.Ke3 Ka4 49.Kf3-+) 47.Rf6-/+ Rh2 48.d6 f1Q (better 48...h3-/+) 49.Rf1= Rd2 50.Ke5 (50.Ke3!? Rd6 51.Rf4 Kc3 52.Rh4 Rd3 53.Ke2=+) 50...Ka4=+ 51.Rf4? (51.Ke6 Kb5 52.d7=) 51...Kb5-+ 52.Rd4?? (52.Ke6 Re2 53.Kd5-+) 52...Re2 (better 52...Rd4 53.Kd4 Kc6-+) 53.Kd5?? (53.Kf6 Rf2 54.Ke7 Re2 55.Kf6 Rf2 56.Ke7 Re2 57.Kf6=) 53...Re8?? (53...h3 54.Rd1 h2 55.Rb1 Ka6-/+) 54.d7+/- Rd8 55.Kd6 h3 (55...a4 56.Kc7 (56.Rh4?! a3+=) 56...Rd7 57.Kd7=) 56.Rh4 (56.Kc7 Ra8+-) 56...a4+/- 57.Rh3 Kb4 58.Rh5 (58.Kc7 Rf8 59.Kb6 a3=) 58...a3+= 59.Rh4 (59.Ke7!? Ra8 60.d8Q Rd8 61.Kd8=) 59...Kb3= 60.Rh3 Kb2 61.Rh2 Kb1 62.Rh1 Kb2 63.Rh2 Kb1 64.Rh3 Kb2 65.Rh2 (65.Rh2 Kb1=) 1-0. pacal56 (2235) - mecker (2165), Rated Blitz game, lichess.org, 2014.

5.e4 c6

6.a3 a5 7.e5 Nd5 8.c4 Nb6 9.Qb3 d6 10.d4+=.

6.a3 d5 7.e5 Nfd7 8.Nf3 a5 9.d4 Qb6 10.Qd2=.

6.a3 d5 7.e5 Ne4 8.Qe2 a5 9.f4 ab4 10.Be4 de4+=.

6.a3 d5 7.e5 Ne8 8.Nf3 f6 9.0-0 Bg4 10.ef6 Nf6=.

6.a3 d5 7.e5 Ng4 8.d4 f6 9.h3 Nh6 10.Nf3 Nd7=.

6.c4 Na6 7.e5 (7.Qb3 Qb6 8.a3 Ng4 9.Nh3 Nc5 10.Qc2-/+; 7.b5 Nc5 8.Qc2 cb5 9.cb5 d6 10.d4+=) 7...Ne8 8.b5 Nac7 9.Qe2 cb5 10.cb5=.

6.c4 Qb6 7.e5 Ne8 8.a3 f6 9.Qb3 Qc7 10.ef6 Nf6=.

6.c4 Qb6 7.e5 Ne8 8.Qb3 Na6 9.a3 d6 10.Nf3=.

6.c4 Qb6 7.e5 Nh5 8.a3 f6 9.c5 Qc7 10.ef6 Nf6=.

6.c4 d5 7.cd5 Na6 8.Qb3 cd5 9.e5 Nd7 10.f4 Nc7=.

6.c4 d5 7.cd5 cd5 8.e5 Nfd7 9.d4 e6 10.f4+=.

6.c4 d5 7.cd5 cd5 8.e5 Nfd7 9.f4 Nb6 10.Ne2 Nc4=.

6.c4 d5 7.ed5 cd5 8.cd5 Nd5 9.Bg7 Kg7 10.a3 Nc6=.

6.c4 d5 7.ed5 cd5 8.cd5 Qd6 9.Qb3 Rd8 10.Nc3+=.

6.c4 d6 7.d4 a5 8.b5 cb5 9.cb5 a4 10.Ne2=.

6.c4 d6 7.d4 Na6 8.a3 Qb6 9.Qe2 Bg4 10.Nf3 d5=.

6.c4 d6 7.d4 Qb6 8.Qb3 Na6 9.b5 cb5 10.Qb5 Nd7+=.

6.c4 d6 7.d4 Nbd7 8.Nd2 Qb6 9.Qb3 a5 10.ba5 Qa5=.

6.c4 d6 7.d4 Be6 8.Nd2 a5 9.a3 b5 10.cb5 cb5=.

6.c4 d6 7.Ne2 Be6 (7...Na6 8.a3 d5 9.cd5 cd5 10.e5 Ng4=; 7...d5 8.cd5 cd5 9.e5 Nfd7 10.f4 e6=; 7...c5 8.bc5 dc5 9.e5 Nfd7 10.f4 Nb6=; 7...Qb6 8.Bc3 Na6 9.a3 Be6 10.d3 c5=) 8.d3 a5 9.b5 cb5 10.cb5 Qb6=.

6.d4 a5 7.e5 Nd5 8.b5 Nc7 9.bc6 Nc6 10.Nf3 d5+=.

6.d4 a5 7.e5 Ne8 8.a3 d6 9.Nf3 de5 10.Ne5=.

6.d4 a5 7.e5 Ne8 8.ba5 d6 9.Nf3 Qa5 10.Nbd2 Be6+=.

6.d4 d5 7.e5 Nfd7 8.Nf3 a5 9.ba5 Qa5 10.Qd2 Qb5+=.

6.d4 d5 7.e5 Ne4 8.Nd2 Nd2 9.Qd2 Nd7 10.Nf3+=.

6.d4 d6 7.a3 a5 8.c4 ab4 9.ab4 Ra1 10.Ba1+=.

6.d4 d5 7.e5 Ne4 8.f3 Ng5 9.h4 Ne6 10.h5 g5=.

6.d4 d5 7.e5 Ne8 8.Nf3 f6 9.0-0 Bg4 10.Nbd2 a5+=.

6.Qe2 a5 7.e5 Nd5 8.b5 d6 9.Nf3 Nb4 10.Na3=.

6.Qe2 a5 7.e5 Ne8 8.b5 cb5 9.Qb5 d6 10.Nf3 Nc6+=.

6.Qe2 Na6 7.a3 d5 8.e5 Ne8 9.Nf3 Nac7 10.0-0 a5=.

6.Qe2 Na6 7.a3 d5 8.e5 Ne8 9.Nf3 f6 10.0-0=.

6.Qe2 Na6 7.b5 cb5 8.e5 Ne8 9.Qb5 Qc7 10.Na3=.

6.Qe2 Na6 7.b5 Nc7 8.e5 Nfd5 9.a4 d6 10.Nf3 Bg4=.

6.Qe2 Na6 7.e5 Nd5 8.b5 Nac7 9.a4 d6 10.Nf3=.

6.Qe2 Na6 7.e5 Ne8 8.a3 d6 9.Nf3 de5 10.Ne5 f6=.

6.Qe2 Qb6 7.a3 (7.e5 Ne8 (7...Nh5 8.a3 a5 9.Nh3 Bh8 10.g4 Ng7=) 8.a3 a5 9.Qg4 f6 10.Qc4 Rf7+=) 7...a5 (7...d6 8.Nf3 a5 9.Bd4 Qd8 10.0-0 e5=; 7...d5 8.e5 Ne8 9.Nf3 Bg4 10.h3 Bf3=) 8.c3 (8.e5 Ne8 9.Qg4 f6 10.Qc4 Rf7+=) 8...d6 (8...ab4 9.cb4 d6 10.Nf3 c5+=) 9.Nf3 (9.d4 ab4 10.ab4 Ra1+=) 9...Be6 (9...ab4 10.cb4 (10.ab4? Ra1 11.Ba1 Qa7-+) 10...c5 11.b5+=) 10.0-0= Nbd7 (10...ab4=) 11.d4 Bb3 (11...ab4 12.cb4 d5 13.Ng5 Ne4 14.Be4 de4 15.Ne6 fe6 16.Qe4=) 12.Nbd2 Ba4 13.Rab1 e5 14.Rfe1 ab4 15.ab4 ed4 16.Nd4 Ne5 (16...Rfe8 17.Qe3=) 17.f4+= Neg4 18.h3 Nh6 19.Kh1 Nh5 20.Qf3 Bd4 21.cd4 d5 22.g4 de4 23.Ne4 Ng7? (better is 23...f5 24.gh5 fe4+-) 24.Nf6+- Kh8 25.Qd3 (25.Nd7 Qd8 26.Nf8 Qf8+-) 25...Qc7 (better is 25...Qb5!? 26.Qc3 Rfc8+/-) 26.d5+- Rg8? (26...cd5 27.Nd5 Qc2+-) 27.Re8 (better is 27.Qc3 Qd6 28.Ra1+-) 27...Rae8-+ 28.Ne8 Qf4?? (better is 28...Re8 29.Qc3 f5-+) 29.Rf1 (better is 29.Ng7 Rg7 30.Qa3+-) 29...Qg5?? (better is 29...Qb4 30.Qb1 f6 31.Nf6 Rf8+-) 30.Ng7 f6 1–0. De Bortoli,Peter (2195) – Eckhoff,Karlheinz, Feffernitz Raika op, 2000.

6.Qe2 d5 7.e5 Nfd7 8.Nf3 a5 9.b5 Qc7 10.bc6 bc6=.

6.Qe2 d5 7.e5 Ne8 8.Nf3 f6 9.0-0 Bg4 10.ef6 Nf6=.

6.Qe2 d5 7.e5 Ne8 8.Nf3 f6 9.h3 a5 10.ba5+=.

6.Qe2 d5 7.e5 Ng4 8.h3 Nh6 9.Nf3 Bf5 10.Nd4 Qb6=.

6.Ne2 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 d6 10.0-0 Qb6+=.

6.Ne2 a5 7.a3 b5 8.0-0 d6 9.d4 Bg4 10.Qd2 ab4=.

6.Ne2 a5 7.a3 d5 8.ed5 cd5 9.0-0 Qd6 10.ba5+=.

6.Ne2 a5 7.a3 d6 8.0-0 ab4 9.ab4 Ra1 10.Ba1 Na6=.

6.Ne2 a5 7.ba5 Qa5 8.c4 d6 9.0-0 Be6 10.d3 b5=.

6.Ne2 a5 7.ba5 Ra5 8.0-0 d5 9.e5 Ng4 10.f4 f6=.

6.Ne2 a5 7.ba5 d5 8.ed5 cd5 9.0-0 Nc6 10.Bc3+=.

6.Ne2 a5 7.ba5 d5 8.e5 Ne4 9.0-0 Qa5 10.c4 Qb6=.

6.Ne2 Na6 7.a3 d5 8.ed5 cd5 9.0-0 Qd6 10.Qe1 e5=.

6.Ne2 Qb6 7.Bf6 Bf6 8.c3 a5 9.Qa4 Na6 10.Qa5 Qa5+=.

6.Ne2 Qb6 7.Bf6 Bf6 8.c3 a5 9.d4 ab4 10.Qb3-/+.

6.Ne2 d5 7.ed5 cd5 8.0-0 Qd6 9.a3 Nc6 10.Re1+=.

6.Ne2 d5 7.ed5 Nd5 8.Bg7 Kg7 9.a3 a5 10.Nbc3 Nc3=.

6.Ne2 d5 7.e5 Ne8 8.0-0 f6 9.d4 a5 10.ba5+=.

6.Ne2 d5 7.e5 Ng4 8.d4 f6 9.h3 Nh6 10.0-0 fe5+=.

6.a3 d6

7.Nc3 a5 8.b5 Nbd7 9.Qe2 cb5 10.Nb5 Nc5=.

7.Nc3 Qb6 8.Rb1 a6 9.Nge2 Nbd7 10.0-0 Ne5=.

7.Nc3 d5 8.ed5 cd5 9.Nf3 Re8 10.0-0=.

7.Nc3 Bd7 8.Rb1 b5 9.e5 de5 10.Nb5 Nd5=.

7.Nc3 Nbd7 8.Qe2 e5 9.Nf3 d5 10.ed5 cd5=.

7.d4 a5 8.c4 ab4 9.ab4 Ra1 10.Ba1+=.

7.d4 Na6 8.Ne2 Qb6 9.Nd2 c5 10.c3 Bd7=.

7.d4 Qb6 8.Ne2 a5 9.c4 ab4 10.Qb3 Be6+=.

7.d4 c5 8.Ne2 Nc6 9.dc5 dc5 10.Qd8 Rd8=.

7.Qe2 a5 8.b5 Nbd7 9.Nc3 Qb6 10.Rb1 e5=.

7.Qe2 Nbd7 8.Nf3 a5 9.0-0 b5 10.e5=.

7.Ne2 a5 8.0-0 ab4 9.ab4 Ra1 10.Ba1=.

7.Ne2 Qb6 8.0-0 Rd8 9.c4 c5 10.b5 a6=.

7.Ne2 c5 8.Nbc3 cb4 9.ab4 Nc6 10.b5 Ne5=.

7.Ne2 d5 8.ed5 cd5 9.0-0 Nc6 10.b5 Na5=.

7.Ne2 Nbd7 8.0-0 a5 9.d4 Nb6 10.ba5 Na4=.

6.d4 Na6

7.a3 b5 8.Ne2 d5 9.e5 Nd7 10.0-0 Nb6=.

7.a3 Rb8 8.c4 d5 9.e5 Ne4 10.f3 Ng5=.

7.a3 Nc7 8.e5 Nfd5 9.c4 Nb6 10.Nd2 d5=.

7.a3 d5 8.e5 Nd7 9.Nf3 f6 10.0-0=.

7.a3 d6 8.Ne2 Qb6 9.0-0 c5 10.c3 e5=.

7.e5 Nd5 8.a3 Nb6 9.Nf3 d6 10.0-0=.

7.e5 Ne8 8.a3 d6 9.Nf3 Bg4 10.0-0 Qd7=.

6.d4 d6

7.a3 Na6 8.Ne2 Qb6 9.0-0 c5 10.c3 e5=.

7.a3 Qb6 8.Ne2 a5 9.c4 ab4 10.Qb3 Be6+=.

7.a3 Nbd7 8.Nd2 a5 9.Ne2 b5 10.0-0 Nb6+=.

7.c4 a5 8.b5 cb5 9.cb5 a4 10.Ne2=.

7.c4 Na6 8.a3 Nc7 9.Nd2 d5 10.cd5 cd5=.

7.c4 Qb6 8.Qb3 Na6 9.Bc3 d5 10.cd5 cd5+=.

7.c4 Nbd7 8.Ne2 a5 9.a3 ab4 10.ab4 Ra1=.

7.c4 Be6 8.Nd2 a5 9.a3 b5 10.cb5 cb5=.

7.Ne2 a5 8.ba5 Qa5 9.Nd2 b5 10.0-0 Qb4=.

7.Ne2 Na6 8.a3 Qb6 9.Nd2 c5 10.Bc3 cb4=.

7.Ne2 Na6 8.a3 d5 9.e5 Ne8 10.0-0=.

7.Ne2 Qb6 8.a3 a5 9.c4 ab4 10.Qb3 Be6+=.

7.Ne2 d5 8.e5 Ne8 9.0-0 a5 10.ba5 Qa5=.

6.Qe2 d6

7.a3 a5 8.b5 Bd7 9.Nc3 Qc7 10.bc6 Bc6=.

7.a3 a5 8.b5 h6 9.Nc3 cb5 10.Qb5=.

7.Bc3 e5 (7...Bg4 8.Nf3 Nbd7 9.h3 Bf3 10.Qf3 a5=; 7...d5 8.e5 Ne4 9.Bd4 f6 10.Be4 de4+=; 7...c5 8.bc5 dc5 9.f4 Nc6 10.Nf3 Bg4+=) 8.Nf3 d5 9.ed5 e4 10.Nd4 Nd5+=.

7.Nc3 a5 8.b5 a4 9.a3 Nbd7 10.Nf3 d5=.

7.Nc3 Qb6 8.a3 Re8 9.Nf3 a5 10.b5 Bd7=.

7.Nc3 Bd7 8.Nf3 Qb6 9.a3 a5 10.Na4 Qc7+=.

7.Nc3 Re8 8.Nf3 Qb6 9.b5 cb5 10.Qb5 Qb5=.

7.Nc3 Bg4 8.Nf3 Qb6 9.a3 a5 10.Na4+=.

7.d4 a5 8.b5 cb5 9.Qb5 Nc6 10.Bc3 Qc7+=.

7.d4 Qb6 8.c3 a5 9.ba5 Ra5 10.c4+=.

7.d4 Qb6 8.Bc3 Na6 9.a3 Nc7 10.a4 Ne6+=.

7.Nf3 a5 8.ba5 Qa5 9.c4 Nbd7 10.0-0+=.

5.e4 d5

6.ed5 Qd6 (6...Nd5 7.Bg7 Kg7 8.a3 e5 9.d4 Re8 10.Ne2=; 6...Na6 7.a3 Nd5 8.Bg7 Kg7 9.Qe2 c6 10.Nf3=) 7.Nc3 Qb4 8.Rb1 Qd6 9.Nge2 Rd8 10.Nb5=.

6.e5 Nfd7 7.d4 Nb6 8.Nd2 Na4 9.Bc1 Nc6 10.c3?? (better is 10.Nb1+=) 10...Nc3-+ 11.Qb3 Nb5 (11...Nd4?! 12.Qc3 Be5 13.Bb2-/+) 12.f4 (12.Ngf3 Nbd4 (12...Ncd4?! 13.Qb2-+) 13.Qc3 Nf3 14.Nf3 Qd6-+) 12...Nbd4 13.Qd5 (13.Qc3 Nb4! 14.Kf2-+) 13...Qd5 14.Bd5 Nc2 15.Kd1 Na1 (better is 15...Ne3 16.Ke1 Nd5 17.a3-+) 16.Bc6 bc6 17.Bb2 Bg4 18.Kc1 Rfd8 19.Ba1 Rd3 (19...a5 20.h3 Be6 21.ba5 Ra5 22.Bb2-+) 20.h3 Be6 21.Ne2 Ba2 (21...a5!? 22.ba5 Ra5 23.Bb2-+) 22.Kc2 Rad8 23.Bc3 Be6 24.g4 f6 25.Ra1 (25.ef6 ef6 26.Ne4 Re3-+) 25...fe5 (worse is 25...Rh3 26.f5 Bd5 27.ef6 Bf6 28.Ra7-+) 26.fe5 Be5! 27.Ne4 (27.Be5 Re3 Double attack (27...Rd2 Deflection; 27...Re3 Decoy; 27...Rd2 Overloading)) 27...Bc3 (better is 27...Re3!? 28.Ng1 Re4 29.Be5 Re5 30.Ra3-+) 28.N2c3 Rh3 29.Ra7 Bg4 30.Rc7 Bf5 31.Re7 Kf8 32.Rc7 (32.Re5 Re3 33.Rf5 gf5-+) 32...Rdd3 (32...Rh2 33.Kc1 Rd4 34.Rc6 Be4 35.Ne4 Re4 36.Rc2 Rc2 37.Kc2 Rb4 38.Kd3-+) 33.Kb2 (33.Rc6 Rd4 34.Rf6 Kg7 35.Rf5 gf5-+) 33...Be4 34.Ne4 Rh2 35.Kc1 Re3 36.Nd2 Ree2 (better is 36...Rc3!? 37.Kb2 Rd3 38.Rc6 Rhd2 39.Kc1 Rd1 40.Kb2 R3d2 41.Kc3 Rc1 42.Kd2 Rc6 43.b5-+) 37.Rd7 Rd2! (37...Rd2 38.Rd2 Rd2 39.Kd2 Kf7-+) 0–1. thecurator – craig4000, ChessWorld.net, 2015.

6.e5 Nfd7 7.d4 Nb6 8.Nd2 f6 9.Ngf3 Bg4 10.h3+=.

6.e5 Nfd7 7.Qe2 Nc6 8.d4 Nb4 9.Qd2 c5 10.c3+=.

6.e5 Nfd7 7.f4 Nb6 8.Nf3 Nc4 9.Bc3 Bg4 10.h3=.

6.e5 Ne4 7.a3 c6 8.Qe2 a5 9.f4 ab4 10.Be4+=.

6.e5 Ne4 7.c4 Nd6 8.cd5 Nc4 9.d4 Nb2 10.Qc2=.

6.e5 Ne4 7.d3 Ng5 8.f4 Ne6 9.Qf3 c6 10.c4+=.

6.e5 Ne4 7.Qe2 Nc6 8.d4 Bf5 9.g4 Bc8 10.c4+=.

6.e5 Ne4 7.f4 c6 8.d3 Nd6 9.c4 Nf5 10.Qd2+=.

6.e5 Ne4 7.f4 Nc6 8.c3 f6 (8...Bf5!?+=) 9.d3+/- (9.d3 Ng5 10.fg5 Ne5 11.Nf3+/-) 1–0. miehnekort – boaz_mos, Yahoo, 2005.

6.e5 Ne8 7.a3 (7.Nf3 f6 8.0-0 Nc6 9.ef6 Nf6 10.b5=; 7.d4 f6 8.Nf3 a5 9.b5 c6 10.a4+=; 7.f4 f6 8.Nf3 c6 9.Bd4 Bg4 10.h3+=) 7...f6 8.Nf3 Bf5 9.0-0 e6 10.ef6=.

6.e5 Ng4 7.f4 f6 8.h3 Nh6 9.Nf3 Nf5 10.g4+=.

6.e5 Nh5 7.f4 (7.d4 a5 8.Bc1 Bh8 9.b5 c6 10.bc6=; 7.Nf3 f6 8.d4 a5 9.b5 c6 10.Qe2=) 7...Na6 8.b5 Nc5 9.Qf3 Bf5 10.d3+=.

5.e4 d6

6.a3 a5 (6...Nc6 7.d4 (7.Ne2 Ne5 8.Bc3 a5 9.f4 Nc4 10.0-0=; 7.Qe2 Bg4 8.Nf3 Ne5 9.Be5 de5 10.h3=) 7...e5 8.d5 Ne7 9.Ne2 c6 10.c4=; 6...e5 7.Nc3 (7.Ne2 a5 8.0-0 Re8 9.b5 Qd7 10.Nbc3=) 7...a5 8.b5 c6 9.Nge2 cb5 10.Nb5=; 6...Nbd7 7.Ne2 (7.d3 Ne5 8.Nf3 Nf3 9.Qf3 c6 10.h3=) 7...Ne5 8.0-0 a5 9.d3 Qd7 10.Nd2=) 7.Ne2 (7.b5 Nbd7 8.d4 Nb6 9.Qe2 Na4 10.Bc1=; 7.d4 ab4 8.ab4 Ra1 9.Ba1 b5 10.Qe2=) 7...ab4 8.ab4 Ra1 9.Ba1 Qd7 10.Nbc3=.

6.d4 a5 (6...c6 7.Ne2 (7.c4 a5 8.b5 cb5 9.cb5 Nbd7 10.Ne2=; 7.a3 a5 8.c4 ab4 9.ab4 Ra1 10.Ba1+=) 7...Na6 8.a3 d5 9.f3 Re8 10.0-0=; 6...a6 7.Ne2 Nc6 8.a3 Qd7 9.0-0 Qg4 10.c4=; 6...c5 7.bc5 (7.dc5 dc5 8.Qd8 Rd8 9.bc5 Nbd7 10.Nd2+=) 7...dc5 8.e5 Nfd7 9.f4 Nb6 10.dc5=; 6...h6 7.Nd2 (7.Ne2 c5 8.bc5 dc5 9.e5 Nfd7 10.f4=; 7.c4 c5 8.bc5 dc5 9.e5 Nfd7 10.f4=; 7.h3 c5 8.bc5 dc5 9.d5 Qa5 10.Bc3=; 7.Qd3 c6 8.Nd2 d5 9.e5 Bf5 10.Qb3=) 7...c5 8.bc5 dc5 9.e5 Nfd7 10.f4=) 7.b5 (7.ba5 c5 8.Ne2 Qa5 9.Bc3 Qc7 10.0-0+=) 7...c6 8.Nc3 a4 9.Rb1 Qa5 10.bc6=.

6.Ne2 a5 7.b5 (7.ba5 Ra5 8.d4 c5 9.0-0 cd4 10.Bd4+=) 7...Bd7 8.Na3 c6 9.c4 cb5 10.cb5=.

6.Ne2 Na6 7.b5 (7.a3 c5 8.b5 Nc7 9.Nbc3 a6 10.ba6+=; 7.c3 c5 8.a3 c4 9.d4 cd3 10.Qd3=) 7...Nc5 8.Bf6 Bf6 9.d4 Ne6 10.f4=.

6.Ne2 c6 7.0-0 (7.d4 a5 8.ba5 Qa5 9.Nd2 Be6 10.0-0=) 7...a5 8.a3 ab4 9.ab4 Ra1 10.Ba1=.

6.Ne2 Nc6 7.a3+= (7.Bc3 a5 8.b5 Na7 9.Na3 c6 10.bc6=; 7.b5 Ne5 8.f4 Nc4 9.Bd4 Qe8 10.d3=) 7...Ne5 8.0-0 a5 9.d3 Bd7 10.Nd2=.

6.Ne2 e5 7.0-0 a5= 8.b5 c6 9.a4 Re8 10.c4=.

5.Nf3

5.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2).

5.Nf3 c6 6.0-0 a5 7.a3 d5 8.d3 ab4 9.ab4 Ra1 10.Ba1 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d5 6.0-0 c6 7.d3 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1).

5.Nf3 c6 6.0-0 d5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d5 6.0-0 c6).

5.Nf3 c6 6.d3 d5 7.0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d5 6.0-0 c6 7.d3).

5.Nf3 d6 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d6).

5.Nf3 d6 6.0-0 c6 7.d3 e5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d6 6.0-0 e5 7.d3 c6).

5.Nf3 d6 6.0-0 e5 7.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 d6 6.Bg2 e5 7.0-0).

5.Nf3 d6 6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 d6 6.Bg2).

4.Bg2 c6

5.c4 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.g3 0-0 5.Bg2 c6).

5.c4 Na6 6.a3 Nc7 7.e4 d6 8.Nc3 0-0 9.d4 a5 10.b5 (10.Nge2 Be6 11.d5 cd5 12.Nd5 Ncd5 13.cd5 Bg4=) 10...cb5 (10...Be6 11.d5 Bd7 12.a4=+) 11.cb5 e5 (11...Be6 12.Nge2=) 12.Nge2 (12.Nf3 ed4 13.Nd4 Bg4=) 12...b6 (12...Bd7 13.a4=) 13.a4 (13.0-0 Bb7=) 13...Bb7 14.0-0 (14.d5 Nd7=) 14...Rc8 (14...Ne6 15.Nd5=) 15.Qd2 (15.Ba3 Re8 16.d5 Qe7+=) 15...Ne6= 16.d5 (16.Nd5 Ng5 17.Nf6 Qf6=) 16...Nc5=+ 17.Rae1 (17.Nc1 Rc7=+) 17...Rc7 18.f4 (18.Nc1 h5=+) 18...Re8 (18...Bh6!?-/+) 19.fe5= Re5 Now all is on e4 20.Nf4 (20.Nd4!? Ng4 21.Nc6=) 20...Qe8 (20...Ree7 21.e5 Re5 22.h3-+) 21.Nd3 Nce4?? (better 21...Nfd7-/+) 22.Ne4+- Ne4 23.Qe3 f5? (better 23...Ree7 24.Bg7 Nc5+-) 24.Ne5 (24.Be5 Be5 25.Qb6 Re7 26.Ne5 de5 27.Be4 fe4+-) 24...Be5 25.Be5 (25.Qb6!? Bb2 26.Qc7 Bd4 27.Kh1 Bd5 28.Qa5 g5 29.Re4 Be4+-) 25...Qe5 26.Qb6 Qc3 (26...Re7 27.Be4 fe4+-) 27.Be4 fe4 28.Qf2 (better 28.Qd6 Qc5 29.Qc5 Rc5 30.Re4 Bd5+-) 28...Qc5 29.Re3 (29.Qc5 dc5 (29...Rc5?? 30.Re4 Rc8 31.Re7+-) 30.b6 Rc8 31.Re4 Bd5+-) 29...h6 (29...Rc8 30.Re4 Qd5 31.Rfe1+-) 30.Qf8 Kh7 31.Rf7 Rf7 32.Qf7 Kh8 33.Qe8 (33.Qb7?! Qe3 34.Kf1 Qf3 35.Kg1 Qe3 36.Kf1 Qf3 37.Kg1 Qe3=) 33...Kg7 34.Qe7 Kg8 (34...Kh8 35.Qe4 Bd5+-) 35.Qe4 (35.Qb7?! Qe3 36.Kg2 Qe2 37.Kh3 Qh5 38.Kg2 Qe2 39.Kh3 Qh5 40.Kg2 Qe2=) 35...Kg7 (35...Kh8 36.Kf2 Bd5 37.Qg6+-) 36.Qd3 (36.Kf1 Qc1 37.Re1 Qc8 38.Qe7 Kg8 39.Qd6 Qc4 40.Re2 Bd5 41.Qg6 Kf8 42.Qh6 Kg8+-) 36...Qc1 (36...Kf7 37.Qc3 Qc3 38.Rc3 Bd5 39.b6+-) 37.Kf2 Qb2 38.Re2 Qf6 39.Kg2 (39.Kg1 Qa1 40.Kg2 Qf6+-) 39...Qg5 40.Qd4 Kh7 (40...Kg8 41.Rd2+-) 41.Rd2 (41.Kg1 h5 42.Re8 Qc1 43.Kf2 Qc2 44.Kf1 Qf5 45.Ke2 Qc2 46.Kf3 Qb3 47.Kf4 g5 48.Kg5 Qd5 49.Qd5 Bd5 50.b6 h4 51.gh4 Bb3 52.Re7 Kh8 53.b7 Bf7 54.b8Q Kg7 55.Qe8 d5 56.Rf7) 41...h5 (41...Qf5 42.b6 Qe6 43.Kf2 Qf5 44.Qf4 Qf4 45.gf4+-) 42.h3 Qf5 (42...Qe7 43.Rc2+-) 43.Kh2 Bc8 (43...Kg8 44.Rf2 Qd5 45.Qd5 Bd5 46.Rf6+-) 44.g4! hg4 (44...Qf8 45.Rf2 Qe7 46.gh5 Bb7 47.hg6 Kg8+-) 45.hg4 Qf3 46.Rf2 Qg4 47.Qg4 Bg4 48.b6 Bc8 49.b7! (49.b7 Bb7 50.Rf7 Kh6 51.Rb7 Kh5 52.Rb6 Kg4 53.Rd6 Kf4 54.Re6 g5 55.d6 Kf5 56.Re8 Kf6 57.d7 Kg7 58.d8Q Kf7 59.Qe7 Kg6 60.Qe6 Kh7 61.Qf6 g4 62.Rh8) 1–0. Jaramillo,Carlos Orlando (1900) – Guzman,Jose Fidias (1620), 1st Torneo Nacional IRT SUB, 2015.

5.c4 d5 6.cd5 cd5 7.e3 Nc6 8.b5 Nb4?? (better 8...Na5=+) 9.d4?? (better 9.Qb3 a5 10.a3+-) 9...Bf5-+ 10.Bc3 Nd3 (better 10...Nc2 11.Kf1 a6-+) 11.Ke2 Ne4 12.Be4 de4 (worse 12...Be4 13.f3+-) 13.h3 Qd7 14.a4 Bg4?? (better 14...Rd8 15.Nd2 Rc8-+) 15.hg4+- Qg4 16.f3 Qg3 17.fe4 (better 17.Qf1 Nc1 18.Kd1+=) 17...Nf2=+ 18.Rh3?? (better 18.Qf1 Nh1 19.Nf3=+) 18...Nh3 (better 18...Qg4 19.Kf2 Qd1 20.Nd2-+) 19.Nh3 Qh3 20.Qg1 0-0 21.Nd2 f5 22.ef5 Rf5 23.Rf1 Raf8 24.Rf5 Qf5 25.Qg2 Qc8 26.Qd5 Kh8 27.Bb4 Rd8 28.Qe4 e6 29.Kd3 e5 30.Bc3 Qh3 31.Kc2 Qf5 (better 31...a6!?-+) 32.Qf5 gf5 33.de5 Re8 34.Nf3 h6 35.Kd2 Kh7 36.Ke2 Kg6 37.Kf2 Rc8 38.Bd4 a6 39.Kg3 Rc4 40.ba6 ba6 41.Kf4 Ra4 42.Nh4 Kf7 43.Kf5 Ra5 44.Ke4 Ke6 45.Nf5? (better 45.Ng6-+) 45...Be5 46.Nh6 Ra4 (better 46...Bd4 47.ed4 Rh5 48.d5 Rd5 49.Ng4-+) 47.Ng4 Bg7 48.Kd3 Bd4 49.ed4 Rb4 0–1. Jokmin,Alex – Pauk,Jozef, SN–2010-0-00265, 2010.

5.e4 d6 6.Ne2 Nbd7 7.0-0 Qb6 (7...a5 8.ba5 Qa5 9.d4=+) 8.c3 (8.a3!?=) 8...a5-/+ 9.Qb3 ab4 (9...Ne5!?-/+) 10.cb4= h5 11.d4 e6 (11...h4!?=) 12.Nd2+= h4 13.Nc4 White prepares e5 13...Qc7 14.f4 White prepares the advance e5 (14.Nf4!? g5 15.Nd3=) 14...hg3 15.hg3 (better 15.Ng3 d5 16.Ne5=+) 15...b6?? (better 15...Ne4 16.Be4 d5=+) 16.e5+- de5 (16...d5 17.ef6 Bf6 18.Ne5+-) 17.fe5 Nd5 (17...0-0 18.ef6 Nf6+-) 18.Nd6 Ke7 (18...Kd8 19.Nf7 Ke8 20.Nh8 Bh8 21.Bd5 ed5 22.Qf3+-) 19.Rf7 Kd8 20.Rg7 Ba6 (20...Nc5 21.Rc7 Nb3 22.Rc8 Rc8 23.ab3 Rh5+-) 21.Bd5 cd5 22.Nf4 Rf8 23.Ne6 1–0. Caio,Francisco Ferreira (1635) – Akasaka,Eduardo, Pernambuco Masters, 2019.

5.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 c6 5.Bg2).

5.Nf3 0-0 6.0-0 d5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d5 6.0-0 c6).

5.Nf3 0-0 6.c4 (-->1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 c6 6.Bg2).

5.Nf3 d5 6.0-0 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d5 6.0-0 c6).

4.Bg2 Nc6

5.a3 a6 6.Nf3 d5 7.0-0 0-0 8.d3 Bf5 9.Nbd2 Re8 (9...b5 10.h3=) 10.c4+= e5 (better is 10...Bg4!?+=) 11.cd5+/- Nd5 (11...Nd4 12.e4 Bg4 13.h3 Bf3 14.Nf3 Nf3 15.Qf3 Nd5 16.ed5+/-) 12.e4+- 1–0. Gucagaite,Gabriele – Maciuitis,Ignas, XXXIIIrd International Chess Tournament, 2013.

4.Bg2 d5

5.a4 0-0 6.Na3 (6.Nf3 a5=+) 6...Re8 (6...a5 7.b5-/+) 7.c4 (7.Nf3 a5=+) 7...d4 (7...a5 8.ba5 Ra5 9.Bc3=+) 8.d3 (8.Nf3 a5=) 8...e5 (8...a5 9.Nb5=+) 9.Nf3 c5 (9...a5 10.b5=+) 10.b5 (10.bc5 Qa5 11.Qd2 A) 11...Qa4? 12.Nb5 Qb3 13.Ra3+- (13.Ra7?! Ra7 14.Na7 Bd7+/-; 13.Na7?! Bh6 14.e3 de3 15.fe3 Be3 16.Qe3 Qb2+=); B) 11...Qc5=) 10...Qc7 (10...Qa5 11.Qd2 Qa4 12.0-0=+) 11.0-0 Bf5 (11...e4 12.de4 Ne4 13.Bc1=+) 12.Nh4 (12.e3 Qd6=) 12...Be6=+ 13.Rb1 Qc8 (13...Nbd7 14.e3=+) 14.Bc1 (14.e3 Qd7=) 14...Bh3 (14...Qd7 15.a5=) 15.e4 (15.a5 Bg2 16.Ng2 e4=) 15...de3=+ 16.Be3 Bg2 17.Kg2 Ng4 (17...Nbd7 18.Qf3=+) 18.h3 Ne3 (18...Nf6 19.Re1=) 19.fe3 Nd7 (19...e4 20.de4 Re4 21.Qd5=) 20.e4 (20.Qf3 f5=) 20...b6 21.Nc2 a6 22.Ne3 Nf6 23.g4 Qd8 24.Nf3 a5 25.Qe2 Ra7 26.Ne1 Rd7 27.Qf3 Re6 28.Rb2 Ree7 29.Rbf2 Re6 30.Qg3 Bh6 31.Nd5 Nd5 32.ed5 Re8 33.Qf3 Bf4 34.Re2 Kg7 35.Kh1 g5 36.Ng2 Rd6 37.Nf4+= gf4 38.g5 Rg6= 39.h4 f6 40.Rg2 Rg8 41.Qe4 Qd7 42.Rfg1 Kf8 43.Rh2 h6 44.Rgg2 hg5 45.hg5 Rg5=+ 46.Rg5 Rg5 47.Rh8 Kf7 48.Qh7 Rg7 49.Qh5 Ke7 50.Rb8 Kd6 51.Rb6+= Ke7 52.d6 (52...Ke6 53.Qh3 f5 54.Qh6 Kf7 55.Rb8+=). De Visser,Arno (1810) – Jekel,Pim (1680), Nova College op, 2002.

5.a4 a5 6.b5=+.

5.e3 0-0 6.Ne2 Nc6 7.a3 e5 8.b5 Na5 9.Be5 Nc4 10.Bc3 Bg4 11.d3 Nd6 12.a4 Qd7 13.0-0 Bh3 14.Nf4 Bg2 15.Kg2 Rfe8 16.Nd2 c6 17.Rb1 cb5 18.ab5 Rac8 19.b6 a6 20.Be5 Nb5 21.Ba1 Na3 22.Rb3 Nc2 23.Bc3 Ne3 24.fe3 Re3 25.Rf3 Rf3 26.Qf3 d4 27.Bb4 Ng4 28.Nc4 Qa4 29.Rb2 Ne3 30.Ne3 de3 31.Qe3 Bb2 32.Nd5 Re8 33.Ne7 Kh8 34.Qe4 Qc2 35.Kh3 Bf6 36.Ng6 hg6 37.Qe8 Kg7 38.Qf8 Kh7 39.Qf7 Bg7 40.Qb7 Qd3 41.Qc7 Qf5 42.Kg2 Qd5 0–1. Hgvanmoork (1765) – ceemak (1815), lichess.org, 2018.

5.Nf3 Na6=.

4.Bg2 d6

5.e4 c6 6.a4 a6 (6...0-0 7.d4+=) 7.Ne2= 0-0 8.0-0 Bd7 (8...a5 9.b5=) 9.d4 Qc8 10.c4 Bh3 11.Nbc3 Bg2 12.Kg2 Nbd7 13.Qd2 (13.a5 b5 14.cb5 cb5+=) 13...b6 14.Nf4 (14.Rfd1 Re8=) 14...e6 (better is 14...e5 15.de5 Ne5=) 15.Nce2 (better is 15.a5!?=) 15...Ne4-/+ 16.Qe3 Nef6 17.Rfe1 c5 18.b5 (18.bc5 bc5 19.d5 Re8 20.de6 fe6-+) 18...a5 (18...cd4!? 19.Qb3 Qb7 20.Kg1-+) 19.Rad1 (19.d5 ed5 20.cd5 Qb7 21.Bf6 Bf6-/+) 19...Ng4 (19...cd4 20.Nd4 Ne5 21.Qe2-+) 20.Qd2 (20.Qf3!? Nh6 21.Qc6+=) 20...cd4-/+ 21.Nd4 (better is 21.Bd4 Nde5 22.Qc3 Qb7 23.f3 Nh2 24.Be5 Be5 25.Nd4-+) 21...e5?? (21...Nge5 22.Qe2 Qb7 (22...Nc4 23.Nc6 Nb2 24.Ne7 Kh8 25.Nc8 Nd1 26.Rd1 Rac8 27.Rd6+=) 23.f3 Rac8-+) 22.Nc6+= Qb7 23.Nd5 Nc5 24.Qc2 (24.f3 Nh6+=) 24...Nh6 (better is 24...Rae8!?=) 25.Nde7+/- Kh8 26.Rd6 f6 27.Red1 (27.Ba3 Rfe8 28.Bc5 Re7+/-) 27...Nf7 (better is 27...Rae8!? 28.R6d5 Re7 29.Ne7 Qe7-/+) 28.R6d2+= Rfe8 29.Nd5 Rac8 (29...Nd8 30.Nd8 Rad8 31.Ba3+=) 30.Kg1 (30.Ba3 Ne6+/-) 30...f5 (30...Ng5 31.Re2=) 31.h4 (31.Ba3 Ne6+=) 31...Ne4 (31...Nd8 32.Nd8 Rcd8 33.f3=) 32.Re2+= Nfd6 33.Kh2 Re6? (better is 33...Rc6!? 34.bc6 Qc6+=) 34.f3+- Nc5 35.Ne5 Nd7?? (better is 35...Na4!? 36.Qa4 Nc4+-) 36.Nc6 (better is 36.Nd7 Re2 37.Qe2 Qd7 38.Nb6+-) 36...Re2 37.Qe2 Re8 38.Bg7 (38.Nde7 Qc7 39.Bg7 Kg7+-) 38...Kg7 39.Qb2 Kg8 (39...Kf7 40.Nb6! Nb6 41.Rd6+-) 40.Nb6! Nb6 (40...Qb6 41.Rd6 Discovered attack; 40...Nb6 41.c5 Double attack (41.Rd6 Discovered attack; 41.c5 Decoy)) 41.Rd6 Qc7? (41...Qf7 42.Na5 Nc4 43.Nc4 Qc4+-) 42.Qd4 Na4 (42...f4 43.c5 fg3 44.Kg2 Na4+-) 43.Rd7 (43.Rd7 Qd7 44.Qd7 Re2 45.Kh3+-) 1–0. nrgball – _mark_ (1680), gameknot.com, 2015.

5.Nf3 0-0=.

5.Nf3 b5 6.Ne5+/- c6 7.Nc6 Qc7? 8.Na5+- (8.Na5 d5 9.Nc3+-) 1–0. pierre – oppolc, internet, 2010.

5.Nf3 c6 6.0-0 Nbd7 7.Nc3 0-0 8.Rb1 e5 9.d3 Qc7 10.b5 d5 11.bc6 bc6 12.Ba3 c5 13.Nb5 Qc6 14.c4 Ba6 15.Nc3+/- d4? 16.Nd4! Qc8 17.Ndb5 Bb5 18.Ba8 Qa8 19.Rb5 a6 20.Rb1 Rd8 21.e4 Qc6 22.Nd5 Nd5 23.cd5 Qc7 24.Qa4 Nb8 25.Rfc1 Bf8 26.Rb2 f5 27.ef5 gf5 28.Rcb1 a5 29.Rb7 Qd6 30.R1b6 Qd5 31.Qh4 Nd7 32.Qg5 (32.Qg5 Kh8 33.Qd8 Qf7 34.Rd7 Qg8 35.Rb8 Qg3 36.hg3 c4 37.Qf8#) 1–0. wiking – jiujitsubr, queenalice.com, 2009.

5.Nf3 Nc6 6.b5 Nb8 7.Nc3 e6 (7...Nbd7 8.0-0+=) 8.0-0+= d5 9.d4 b6 (9...0-0 10.Qd3+=) 10.Ba3 (10.Ne5 Bb7+/-) 10...Bb7 11.Qc1 (11.Qd2 Nbd7+/-) 11...Nbd7 12.Bb4 (12.Qf4 a6+/-) 12...Ng8 (12...a5 13.Ba3+=) 13.Re1 Ndf6 14.a4 Qd7 (14...Ne7!? 15.a5 ba5 16.Ra5 0-0+/-) 15.Ne5 Qc8 (15...Qd8 16.a5 ba5 17.Ra5+-) 16.Qf4 Ne7? (16...Nh6+-) 17.Be7 Ke7 18.e4 de4 (18...g5 19.Qg5 Kf8 20.ed5 ed5 21.a5 ba5 22.Ra5+-) 19.Ne4 Be4 20.Be4 (20.Re4?! Rd8+-) 20...Rb8 21.d5! ed5 (21...ed5 22.Nc6 Double attack; 21...Nd5 22.Nc6 Double attack (22.Qf7 Pinning; 22.Qf7 Deflection)) 22.Bd5! Nd5 23.Qf7 Kd6 24.Rad1 c6 (24...Qe6 25.Qg7 Rbg8 26.Nc4 Kc5 27.Qd4 Kb4 28.Rb1 Ka4 29.Qa1) 25.Nc6 Qf5 (25...Qe6 26.Qe6 Kc7 27.Qe7 Ne7 28.Re7 Kc8 29.Na7) 26.Qe7 1–0. Karl – Tdpva, internet private, 2018.

4.Bg2 e6

5.Nf3 Nc6 6.b5 Ne7 7.0-0 0-0 8.a4 b6 9.Ne5 Rb8 10.Nc3 Bb7 ½–½. wiking – ClivetheBeard, queenalice.com, 2009.

4.Bg2 Rg8

4.Bg2 Nh5

5.Bg7 Ng7 6.d3 0-0 7.c4 d6 8.Nc3 e5 9.Nf3 f5 10.0-0 f4 11.Qd2 fg3 12.fg3 Nc6 13.Ng5 Nd4? (better is 13...Nf5+/-) 14.Rf8+- Qf8 15.Rf1 Qe8? (15...Ngf5 16.g4 h6+-) 16.Nd5 Qe7 (16...Qd8 17.Nf7 Qe8 18.Nc7 Qe7 19.Nh6 Kh8+-) 17.Ne7 (17.Ne7 Kh8 18.Nf7) 1–0. Janek – tabloid, internet, 2016.

5.Bg7 Ng7 6.Nf3 a5 7.b5 0-0 8.c4 b6 9.0-0 Bb7 10.Nc3 c6 11.d3 Ne6 12.Nd2 Qc8 13.a4 cb5 14.ab5 Bg2 15.Kg2 Qb7 16.Kg1 Nd4 17.e3 Ne6 18.Nd5 d6 19.Qf3 Ra7 20.Ne4 Nc5 21.Nc5 dc5 22.h4 (better 22.Qe4!?+/-) 22...e6= 23.Nf6 Kg7 24.Qf4 Nd7 25.Ng4 h5 26.Ne5 Ne5 27.Qe5 Kg8 28.d4 Qc7 29.Qe4 cd4 30.Qd4 Rd8 31.Qc3 Qc8 32.Rfd1 Rc7 33.Rd4 Rd4 34.Qd4 Rc4 35.Qb6 Rc1? (35...a4!?=) 36.Rc1+= Qc1 37.Kg2 a4 38.Qd8 (38.Qc6!? Qb1 39.Qa8 Kg7 40.Qa4 e5+-) 38...Kh7+/- 39.Qf6 (better 39.Qd7!? a3 40.Qf7 Kh6 41.Qa7+/- (41.Qe6?! Qb2 42.g4 a2 43.g5 Kg7 44.Qe7 Kg8 45.Qe8 Kg7 46.Qd7 Kh8 47.Qe8 Kg7 48.Qd7 Kh8 49.Qe8 Kg7=)) 39...Kg8= 40.Qd8 Kh7 41.Qf6 (better 41.Qd7!? a3 42.Qf7 Kh6 43.Qf8 (43.Qe6?! Qb2 44.g4 a2 45.g5 Kg7 46.Qe7 Kg8 47.Qe8 Kg7 48.Qd7 Kh8 49.Qe8 Kg7 50.Qd7 Kh8 51.Qe8 Kg7=) 43...Kh7 44.Qa8+/-) 41...Kg8= 42.Qf7?? (better 42.Qf3 a3 43.Qa8 Kg7 44.b6=) 42...Kf7-+ 43.b6 Qc6 44.f3 Qb6 45.Kh3 (45.g4 hg4 46.fg4 a3 47.e4 a2 48.Kh2 Qf2 49.Kh3 a1Q 50.g5 Qc3 51.Kg4 Qff3) 45...Qe3 46.g4 (46.Kg2 Qe2 47.Kg1 a3 48.f4 a2 49.g4 a1Q) 46...Qf3 47.Kh2 hg4 48.Kg1 g3 49.h5 Qf2 50.Kh1 Qh2 (50...Qf1) 0-1. TimeToShine (2515) - alifie (2490), Rated Bullet game, lichess.org, 2020.

4.Bh3 0-0

5.Nf3 d6 6.Bc8 Qc8 7.h3 e5 8.d3 Nc6 (8...h6 9.e4=+) 9.a3 (9.b5 Nd8=+) 9...Ne7 (9...a6 10.c4=+) 10.e4 c5 (10...h6 11.g4=+) 11.Nbd2 cb4 12.ab4 a6 (12...Qc7 13.0-0=) 13.g4 (13.c4 Nd7=) 13...Qc7 14.d4 (14.c3 h6=) 14...Nd7 (14...d5!?-/+) 15.d5 Rac8 (15...f6 16.h4=) 16.c4= Nb6 (16...h6!?=) 17.Rc1 (17.c5 Nbd5 18.ed5 Nd5 19.Qb3+=) 17...Nd7= 18.Qb3 (18.Ba3=) 18...f5 (18...a5!?=) 19.c5 fg4 (better is 19...h6!?+=) 20.hg4+- Nf6 (better is 20...b6 21.c6 Nf6+-) 21.Ng5 Qd7 22.Ne6 Ng4 23.Qh3 h5 24.f3 Ne3 25.Rg1?? dc5 26.bc5+/- Qa4? 27.Nf8 Rf8 28.Qe6 Kh8 29.Kf2 Nc2?? 30.Qe7+- Qb3 31.Rg6 Qe3 32.Kg2 Qe2 33.Kg3 h4 (34.Qh4 Kg8 35.Rg7 Kg7 36.Qg4 Kf6 37.Qe6 Kg5 38.Qe5 Kh6 39.Qg7 Kh5 40.Rh1 Qh2 41.Rh2). BeautyandBrain – fgh, Live Game Caissa's Web, 2005.

3.g4 g5

4.a3 d6 5.Bg2 (5.h4 Rg8 (5...Bg4? 6.hg5 e5 7.gf6+-) 6.hg5 Rg5+=) 5...Rg8 (5...e5 6.d4 e4 7.d5=) 6.h3 d5 7.e3 Be6 (7...a5 8.Bf6 ef6 9.b5=) 8.d3 (8.Nf3 Bc8+=) 8...Qd7 (8...Rg6 9.Nf3+=) 9.c4 c6 10.c5 Qc7 11.e4 (11.Nf3 Nbd7+=) 11...de4 12.de4 Nbd7 13.Qc2 0-0-0 14.Ne2 (14.Nf3 h5 15.gh5 Nh5=+) 14...Bg7 (14...Ne5 15.Bd4=+) 15.0-0 (15.Nd4 Ne5 16.Nd2 Bd7=) 15...Ne5 (15...h5 16.gh5 g4 17.hg4 Ng4 18.Ng3-+) 16.Rd1 (16.Nd4 Bc4 17.Rd1 h5-/+) 16...Rd1-/+ 17.Qd1 Rd8 Do you see the mate threat? 18.Qa4 (18.Qc2 h5 19.gh5 Nh5-/+) 18...Kb8 (18...Nfg4 19.hg4 Nf3 20.Bf3 Bb2 21.Qa7 Ba1 22.Qa8 Kd7 23.Qa4-+) 19.Nd4 (19.Bd4 h5 20.Qa5 Qa5 21.ba5 Nd3-+) 19...Bc4 (19...Nfg4 20.hg4 Ng4 21.Ne6 Qh2 22.Kf1 Qh4-+) 20.Nf5? (20.Nd2 h5 21.Rd1 Bd3=) 20...Ne8?? (20...Nfg4 21.f4 Nf3 22.Bf3 Bb2 23.hg4 Qf4-+) 21.Ng7=+ Ng7 22.Bc3 (22.Qc2 h5 23.Nd2 Bb5=+) 22...f6 (22...Bb5 23.Qc2-/+) 23.Nd2=+ Nd3?? (better 23...Bb5 24.Qc2 h5 25.gh5 Nh5-/+) 24.Nc4+- Qf4 (24...h5 25.Qa5+-) 25.Rf1 (25.Qc2 Qc7+-) 25...Ne6 26.Bd2 (26.Qc2 Qc7+-) 26...Qc7 27.Be3 Nef4 28.Rb1 (better 28.Qa5+-) 28...Ne2+- 29.Kh1 Ne5?? (better 29...Nc3 30.Qb3 Nb1 31.Qb1 Qd7+-) 30.Qc2+- Nf4 31.b5 Ng2 (31...cb5 32.Ne5 Ng2 33.Kg2 Qe5 34.a4+-) 32.Kg2 (better 32.b6 ab6 33.cb6+- (33.Kg2?! Nc4 34.Qc4 b5+-)) 32...Ng6 (32...Nc4 33.Qc4 Qd7+-) 33.b6 Nh4 34.Kf1 (better 34.Kh1 ab6 35.cb6+- (35.Nb6?! Nf3 36.e5 Qe5+-)) 34...ab6 (34...Qh2 35.ba7 Kc7+-) 35.Rb6?? (better 35.Rd1 Rd1 36.Qd1+-) 35...Qh2+= 36.Qb3 (36.Nd2!? Qh3 37.Ke1 Qg4 38.Rb3+=) 36...Qg2 (36...Qh3!? 37.Ke1 Qh1 38.Ke2 Qf3 39.Ke1 Ng2 40.Kf1 Rd1 41.Qd1 Qd1 42.Kg2 Qg4 43.Kh2 h5=) 37.Ke2= Threatening mate... how? 37...Qf3 38.Ke1 Ng2?? (better 38...Qh1 39.Ke2 Qf3 40.Ke1 Qh1 41.Ke2 Qf3=) 39.Kf1+- Rd1 40.Qd1 Qd1 41.Kg2 h5 (41...Qd3 42.Na5 Kc8 43.Rb7+- (43.Nb7?! Qe4 44.Kh2 Qe5 45.Kg1 Qa1 46.Kg2 Qa3+-)) 42.gh5 Qh5 43.Na5 g4 44.hg4?? (better 44.Rb7 Kc8 45.h4 (45.Re7?! gh3 46.Kg3 f5=) 45...Qh4 46.Re7 Qh3 47.Kg1+-) 44...Qg4= 45.Kf1 Qe4?? (better 45...Qd1 46.Kg2 Qg4 47.Kh2 Qh4 48.Kg1 Qg4 49.Kh1 Qh5 50.Kg2 Qg4=) 46.Nc6 Kc7 47.Nd4 e5 (47...Qd3 48.Ke1+-) 48.Nb5 Kb8 (48...Kd7 49.Nd6 Qd3 50.Ke1 Qc3 51.Ke2 Qc2 52.Kf3+-) 49.Ke2 (49.c6 Qb1 50.Ke2 Qc2 51.Ke1 Qb1 52.Kd2 Qa2 53.Kc3 Qa1 54.Kb4 Qb1 55.Kc5 Qc2 56.Kd6 Qc6 57.Rc6 bc6 58.Kc6 f5 59.a4 Kc8 60.Bb6 Kb8 61.a5 e4 62.a6 Kc8 63.Bc7 e3 64.Nd6) 49...f5 (49...Qc2 50.Ke1 Qb1 51.Kd2 Qb2 52.Kd3 Qb1 53.Kc4 Qa2 54.Kc3 Qa1 55.Kc2 Qa2 56.Kd1 Qb1 57.Bc1 Qd3 58.Ke1 Qe4 59.Kd2 Qd5 60.Ke1 Qe4 61.Kd2 Qd5 62.Ke1 Qe4=) 50.Nd6 (50.c6 Qc2 51.Ke1 Qb1 52.Kd2 Qb2 53.Kd3 Qb3 54.Nc3 Qa3+-) 50...Qg4? (50...Qc2 51.Bd2 Qc5 52.Rb7 Ka8+-) 51.f3 Qg2 (51...Qa4 52.Rb7 Ka8 53.Re7+-) 52.Bf2 e4 (52...Ka8 53.Rb7 e4 54.fe4 Qg4 55.Ke1+-) 53.Rb7 (53.fe4 fe4 54.Rb7 Ka8+-) 53...Ka8 54.Rb3 (54.fe4 Qg4 55.Ke1 Qg5+-) 54...ef3 (54...Qg8 55.Re3 Qa2 56.Kf1 Qa1 57.Re1 Qa3 58.fe4 Qh3 59.Ke2 fe4 60.Ne4+-) 55.Rf3 f4 (55...Qg4+-) 56.c6 (56.Rf4!? Kb8+-) 56...Qg7?? (56...Qg6 57.Rd3 Kb8 58.Rd4 Qh5 59.Kd2+-) 57.Kf1 (57.Rf4 Qe5 58.Re4 Qh5 59.Ke1 Qa5 60.Kf1 Qa6 61.Kg1 Kb8+-) 57...Qc7 (57...Qg6 58.Nc4 Qb1 59.Be1 Qe4+-) 58.Rc3 (better 58.Rh3 Qd6 59.Rh8 Qb8+-) 58...f3?? (better 58...Qd6 59.c7 Qa6 60.Kg2 Qc8+=) 59.Bg3+- Qg7 60.c7 Qc3 61.c8Q Qc8 62.Nc8 Kb7 63.Nd6 Kc6 64.Nf5 Kc5 65.Kf2 Kc4 66.Kf3 Kb3 67.Bd6 Ka4 68.Ke3 Kb3 69.Kd3 (69.Kd3 Ka4 70.Kd4+-) 1–0. Delboy Smith (1705) – stormynorm, ChessWorld.net, 2009.

4.a3 Rg8 5.h3=.

4.h3 d5 5.Bg2 e6 6.d3 Bd7 7.e3 Nc6 8.a3 0-0 9.Nd2 h6 10.Ngf3 b5 11.Qe2 a5 12.ba5 Ra5 13.Nb3 Ra7 14.h4 Ng4 15.Bg7 Kg7 16.hg5 hg5 17.Rh5 f6 18.0-0-0 b4 19.Rdh1 Ra3 20.Nfd4 Nd4 21.ed4 e5 22.Bd5 ed4 23.Rh7 Kg6 24.Be4 f5 25.Bf3 Re8 26.Qd1 Re7 27.Bg4 Rh7 28.Rh7 Kh7 29.Qh1 Kg7 30.Bf3 Qh8 31.Qg2 g4 32.Bd5 Qh3 33.Qg1 f4 34.Qe1 Qh4 35.Qe5 Qf6 36.Qe4 Ba4 0–1. adabriwala – LiamMurphy (1735), lichess.org, 2019.

4.h4 e6?? 5.hg5+- Ng4 (5...Bg7 6.Bf6 Bf6 7.gf6 Qf6 8.d4+-) 6.Bh8 Qg5 7.Nf3 (7.Rh7?! Qf5 8.Rf7 Qf7=) 7...Qg8 8.Bb2 (8.Bc3 d5+-) 8...Bg7 (8...Bb4 9.e3+-) 9.Bg7 Qg7 10.Nc3 d5 11.Bh3 Nh6 (11...h5 12.d4+-) 12.Rg1 Qf8 (12...Qh8 13.Nd5! Na6 14.Ne3+-) 13.a3 (13.Nd5!? Kd8 14.Ne3 Bd7+-) 13...Nc6 14.Nb5 (better 14.e4+-) 14...b6 (14...Kd8+-) 15.Nc7 Kd7 16.Na8 Ba6 (16...Bb7 17.Nb6! ab6 18.d4+-) 17.Nb6! ab6 18.a4 (better 18.c3 Bb7+-) 18...Bc4 (18...Qb4 19.Rg5 Qe4 20.Rh5+-) 19.c3 (19.b5 Na7+-) 19...Qe7 (19...Qh8 20.a5 ba5 21.ba5+-) 20.Qc2 (20.d3 Qf6 21.dc4 Qc3 22.Kf1 Kd6+-) 20...Kc7 (20...Qf6 21.Qh7 Nb4 22.Rb1+-) 21.Qh7 (21.d3 Bd3 22.Qd3 Qf6+-) 21...Nf5 Black plans d4 (21...Qf6 22.Qg7 Qg7 23.Rg7+-) 22.Bf5 (22.d3!? Qf6 23.Kd2 Nd6+-) 22...ef5 23.e3 f4 24.Rg7 (24.d3 Qf6 25.Ke2 fe3 26.Qh2 Kb7 27.dc4 Qc3+-) 24...d4 25.cd4 Bd5 (25...fe3 26.fe3 Qb4 27.Rc1 Qa4 28.Rc4 Qc4 29.Rf7 Qf7 30.Qf7 Kb8 31.Ne5+-) 26.Ne5 (better 26.b5!? fe3 27.Qh2 Qd6+-) 26...Ne5 27.de5 Qe5 (27...fe3 28.Rc1 Kb7 29.fe3 Qe5 30.Qg8+-) 28.Rc1 Kb7 29.b5 (better 29.Rf7 Bf7 30.Qf7 Kb8 31.Qf8 Ka7+-) 29...f3 (29...fe3 30.Rf7 Bf7 31.Qf7 Kb8 32.Qg8 Ka7 33.de3 Qe7+-) 30.Rf7 Bf7 31.Qf7 Kb8 32.Qf4 (32.Qf8 Ka7 33.a5 Qg7 34.Qg7 Kb8 35.a6 Ka8 36.Rc8) 32...Qf4 33.ef4 Kb7 34.f5 Kb8 (34...Ka7 35.f6 Ka8 36.f7 Kb8 37.f8Q Kb7 38.Qc8 Ka7 39.Rc7) 35.f6 Kb7 (35...Ka7 36.f7 Kb8 37.f8Q Kb7 38.Qc8 Ka7 39.Rc7) 36.f7 Kb8 (36...Ka7 37.f8Q Kb7 38.Qc8 Ka7 39.Rc7) 37.f8Q Kb7 38.Qe7 (38.Qc8 Ka7 39.Rc7) 38...Kb8 39.Rc4 Ka8 40.Rf4 (40.Rc8) 40...Kb8 41.Rf8 1-0. AhmedSultanov (1810) - Fettis (1765), lichess.org, 2019.

4.h4 Bg7?? 5.hg5+- Ng4 (5...e5 6.gf6 Bf6 7.e4+-) 6.Bg7 Rg8 7.Rh7 e6 (7...e5 8.Nh3 d5 9.f3+-) 8.f4 b6 (8...Qe7 9.Bc3 d5 10.e4+-) 9.e3 Bb7 10.Qg4 Nc6 11.Bg2 Qe7 12.a3 0-0-0 13.Nf3 Qd6 14.Bf6 Rde8 15.Nc3 Ne7 16.Be5 Bf3 17.Bf3 f5 18.Qg2 Qe5 19.fe5 Ng6 20.Bb7 Kb8 21.Ba6 c6 22.Nb5! Ne5 23.d4 Ng4 24.Rd7 Ne3 25.Qc6 Nc2 26.Kd2 Re7 27.Qb7# 1–0. wk1234 – aam1, kurnik, 2012.

4.h4 Rg8=.

4.h4 gh4 5.g5 (5.Rh4?! Rg8=) 5...Bg7 (5...d6 6.gf6 e5 7.Nf3+-) 6.gf6 ef6 7.Rh4 d5 8.e3 Nc6 9.b5 Ne5 10.Nf3 Be6 11.Na3 (11.Rh1 Kd7+-) 11...Qe7 12.Bh3 (12.Nd4 0-0-0+-) 12...0-0-0 13.Be6 (13.Nd4 Rdg8+-) 13...fe6 14.Ne5 (14.Ra4 Kb8+-) 14...fe5+/- 15.Qg4 Bf6 16.Rh5 Rhg8 17.Qh3 Rg1 18.Ke2 Ra1 19.Ba1 Qa3? (better 19...Rd7 20.e4 Qb4 21.ed5 Qe4 22.Kf1 Qd5 23.Be5 Be7+-) 20.Rh7 (better 20.Qe6 Rd7 21.Qf6+-) 20...Qc1?? (better 20...Qd6+=) 21.Qe6+- Kb8 22.Be5 (better 22.Qf6 Rc8 23.Be5 Qc2 24.Rc7 Qc7 25.Bc7 Rc7 26.Qh8 Rc8 27.Qe5 Ka8 28.Qd5+-) 22...Be5 23.Qe5 Qc2 24.a3?? (better 24.Rh8 Qc4 25.d3 Qg4 26.Kd2 Qb4 27.Kd1 Qg4 28.f3+-) 24...Qh7-+ 25.Qg5 Qd7 26.d4 (26.Ke1-+) 26...Qb5 27.Kf3 Qd7 (27...Rf8 28.Kg2 Qe2 29.Qg3-+) 28.Kg2 (28.Qg6 Rf8 29.Kg2 Qa4-+) 28...a6 (28...Rh8!? 29.Kf3 Rf8 30.Kg2-+) 29.Kf1 (29.Qg6-+) 29...Qe6 (better 29...Rf8 30.Ke1 Qh7-+) 30.Qd8+- Ka7 31.Ke2 (31.Qc7 Qe4 32.Ke2 Qg4 33.Kd2 Qf5 34.Qc5 Kb8+-) 31...Qb6? (31...Qg4 32.Kd2 Qf5 33.f4=) 32.Kf3 (better 32.Qd5!? Qb2 33.Kf3 Qa3 34.Qc5 Qc5 35.dc5=) 32...Qc6 33.Qf6?? (better 33.Qe7 Qh6 34.Ke2+=) 33...Qf6-+ 34.Ke2 Qg5 35.f3 Qg2 36.Kd3 Qf3 37.Kd2 Kb6 38.Kd3 Kb5 39.Kc3 (39.Kc2 Qe3 40.Kb1 Kc4 41.Kc2 Qe2 42.Kc1 Kc3 43.a4 Qc2) 39...a5 (39...Qe3 40.Kc2 Kc4 41.a4 Qc3 42.Kd1 Kd3 43.a5 Qd2) 40.Kd2 (40.Kb3 Qe3 41.Kb2 Kc4 42.a4 Qd4 43.Ka2 Qd2 44.Ka3 Qb4 45.Ka2 Kc3 46.Ka1 Qb2) 40...Kc4 41.Kc2 Qe3 (41...Qe2 42.Kb1 Kc3 43.e4 Qb2) 42.a4 Qd3 (42...Qe2 43.Kc1 Kc3 44.Kb1 Qb2) 43.Kb2 Qb3 44.Kc1 Qa4 (44...Qa2 45.Kd1 Kd3 46.Ke1 Qe2) 45.Kd2 Kd4 46.Kc1 (46.Ke2 Qc2 47.Kf3 a4 48.Kf4 a3 49.Kg4 Qg6 50.Kf4 a2 51.Kf3 a1Q 52.Kf2 Qag1 53.Ke2 Qd3) 46...Qc4 (46...Kc3 47.Kb1 Qb3 48.Kc1 Qc2) 47.Kb2 (47.Kd2 Qa2 48.Kc1 Kc3 49.Kd1 Qd2) 47...Kd3 48.Ka3 (48.Ka1 Qb4 49.Ka2 Kc3 50.Ka1 Qb2) 48...a4 (48...Qb4 49.Ka2 Kc3 50.Ka1 Qb2) 49.Kb2 Qc2 (49...Qc3 50.Kb1 a3 51.Ka2 Qb2) 50.Ka3 (50.Ka1 Qc3 51.Kb1 a3 52.Ka2 Qb2) 50…Qb3 0-1. EvgeniyR (1725) - Lucho99 (1865), Rated Blitz game, lichess.org, 2020.

4.h4 Bh6 5.hg5 Bg5 6.Nf3 Bf4?? (better 6...Rg8 7.Ng5 Rg5 8.Bf6 ef6 9.Rh7 Rg8+/-) 7.e3 Bd6 (7...d6 8.g5 Bg5 9.Ng5+-) 8.g5 0-0 (8...Bb4 9.gf6 ef6+-) 9.gf6 ef6 (9...e5 10.Ne5 Qf6 11.Rg1 Qg6 12.Ng6 Re8 13.Ne7 Kf8 14.Bf6 Re7 15.Rg8 Kg8 16.Qg4 Kf8 17.Qg7 Ke8 18.Qg8) 10.Nd4 f5 (10...Re8 11.Qg4 Kf8 12.Rh7 Re3 13.de3 Bb4 14.Nc3 Qe8 15.Rh8 Ke7 16.Qe4 Kd6 17.Nf5 Kc5 18.Qd5 Kb6 19.Qb5) 11.Qh5 (11.Qh5 Bh2 12.Rh2 h6 13.Qh6 Qh4 14.Rh4 Nc6 15.Qg5) 1-0. beatmeeasy (1875) - vecino1979 (1825), lichess.org, 2020.

4.Nf3 h6

5.e3 a6 6.h3 b5 (6...Nc6 7.a3=) 7.Bg2 Bb7 8.d3 Nc6 (8...a5 9.a4=) 9.a3 Ne5?? (9...d5 10.h4=) 10.e4?? (better 10.Be5 d6 11.Bb2+-) 10...Nf3 11.Bf3 c5 (11...c6 12.h4=) 12.Nd2 (12.e5 Bf3 13.Qf3 Nh7+=) 12...cb4 13.ab4 Rc8 14.Nb3 d6 15.Na5 Ba8 16.Qe2 0-0 (16...e5 17.Nb3 Bb7 18.h4=) 17.c3 Nd7 18.Qd2 (18.d4 e5 19.d5 Nb6+=) 18...Ne5 (18...d5 19.Bg2=+) 19.Be2= Nc6 (19...d5 20.f3=) 20.Nb3 (20.h4 f6 21.Nc6 Rc6 22.c4+/-) 20...Ne5 (better 20...d5!? 21.f3 Be5=) 21.Ra6 Qc7 (21...d5 22.f3+/-) 22.Nd4 Nc6 (22...d5 A) 23.Nb5 Qb7 24.Ra8 Ra8-/+ (24...Qa8?! 25.f3=); B) 23.f3+/-) 23.Nb5 (better 23.Nf5!?+-) 23...Qb7+/- 24.Nd6 (better 24.Rc6!? Rc6 25.c4 Bb2 26.Qb2+/-) 24...ed6= 25.Ra1 Ne5 26.0-0 f5 (26...d5!? 27.f4 gf4=+) 27.gf5= Rf5? (27...d5 28.f3 Qb6 29.d4 Bb7+= (worse 29...de4 30.Ra6 Qd8 31.fe4+/-)) 28.Ra5?? (better 28.Ra8 Nf3 29.Bf3 Ra8 30.Bg2+-) 28...Nf3= 29.Bf3 Rf3 30.Kg2 (30.Rfa1!?=) 30...Rcf8=+ 31.Rd5?? (31.Qe2 d5 32.ed5 Qd7 33.Qf3 Rf3 34.Ra8 Kf7 35.Kf3 Qd5 36.Ke2 Qa8-+) 31...Qb6 (31...Qd7 32.Rh1-+) 32.d4?? (better 32.Ra5 Qd8 33.Qe2-/+) 32...Bd5-+ 33.ed5 Qc7 (better 33...Qb5 34.Qe1 Qd5-+) 34.c4 (34.Qe2-+) 34...Qc4 (34...Qc8 35.Kg1 Qh3 36.Rb1 Qg4 37.Kf1 Rh3 38.f4 Qf3 39.Ke1 Rh1) 35.b5 (35.Qd1 Qd5 36.Kg1 Rh3-+) 35...Rd3 (35...Qc8 36.Rh1 Qf5 37.Kf1 Rf2 38.Kg1 Rd2 39.b6 Qf2) 36.Qe2 (36.Qe1 Qd5 37.Kh2-+) 36...Bd4 (better 36...Rg3! 37.Kg3 Qe2 38.Kg2 g4 39.Bc1 Qf3 40.Kh2 Qh3 41.Kg1 g3 42.Bh6 Qh2) 37.Bd4 (37.Qe4 Rg3! 38.Kh2 Rh3 39.Kg2 Rh2 40.Kh2 Be5 41.Be5 Qe4 42.Bd6-+) 37...Rg3!! 38.fg3 (38.fg3 Qd5 Double attack (38...Qe2 Discovered attack); 38.Kg3 Qb3 Double attack (38...Qe2 Discovered attack)) 38...Qe2 39.Bf2 Qf3 40.Kg1 Kh7 41.b6 Qd5 42.h4 (42.Kh2 Qb3-+) 42...Qb7 (better 42...gh4 43.Re1 h3-+) 43.h5 (43.hg5 Qf3-+) 43...g4 44.Be3 Rf3 45.Bf2 (45.Rf3 Qf3 46.Bf2 d5-+) 45...Rf2! 46.Rf2 (46.Rf2 Qb6 Decoy; 46.Kf2 Qf7 Double attack (46...Qf3 Deflection)) 46...Qb6 47.Kg2 Qe3 48.Rf7 Kg8 49.Rf6 d5 50.Rg6 Kh8 51.Rh6 (51.Rc6-+) 51...Qh6 52.Kf2 (52.Kg1 Qe3 53.Kf1 d4 54.Kg2 d3 55.Kh2 d2 56.Kh1 d1Q 57.Kg2 Qed2) 52...Qh5 (52...d4 53.Kg2 Qe3 54.Kf1 d3 55.Kg2 d2 56.Kh1 d1Q 57.Kg2 Qed2) 53.Ke3-+ Qe5 54.Kf2 (54.Kd3 Qg3 55.Kd4 Qb3 56.Ke5 g3 57.Ke6 Qb6 58.Kf5 g2 59.Kg4 g1Q 60.Kf5 Kg7 61.Ke5 Qg5) 54...Qg3!? 55.Kg3 d4 56.Kg4 Kg7 57.Kf3 d3 58.Ke3 d2 59.Ke2 ½-½. alessandrocarvalhaes (1800) - Valladorn (1810), lichess.org, 2019.

5.h4 Bg7 6.hg5 hg5 7.Rh8 Bh8 8.Ng5 e6? (8...d5 9.Na3=) 9.e3 (9.Nf3 e5 10.Be5 d6+/-) 9...Nc6? (better 9...Ng4!? 10.Bh8 Qg5+=) 10.b5+- Ne7 11.Qf3 Ng6 12.Bd3 d5 (12...Qe7 13.Bc3+/-) 13.Bg6+- fg6 14.Qh3 Bg7 15.Nh7 (better 15.Be5+/-) 15...Nh7? (better 15...Bd7+/-) 16.Qh7?? (better 16.Bg7 Nf8 17.Qh2+-) 16...Bb2-+ 17.Qg8 (17.Qg6 Ke7 18.Qh7 Kd6-+) 17…Kd7 (17...Kd7 18.Qg6 Ba1-+) 0-1. beatmeeasy (1885) - amzhassan (1865), lichess.org, 2020.

5.h4 gh4 6.Rh4 Rg8 7.Bf6 ef6 8.Nd4 (8.c4 Bb4 9.Nc3 Bc3 10.dc3 Na6=) 8...Bb4 9.Rh6 (9.e3 d5=) 9...Nc6 10.Nf5 d6 (10...d5 11.e3-/+) 11.e3 Bf5 12.gf5 Qd7 13.c3 (worse 13.Rf6 Ne5 14.c3 Rg1 15.cb4 Ng4-/+) 13...Ba5 14.e4? (better 14.Qb3=) 14...0-0-0-+ 15.Rh7 (15.Qa4 Rg1 16.Na3 d5-+) 15...Rde8 (15...d5 16.f3-+) 16.f3 d5 17.d3? (17.Qe2-+) 17...de4 18.de4 Qd1 (better 18...Nd4! 19.Qd3 Qa4-+) 19.Kd1-/+ Ne5 20.Kc2 Rg1 (better 20...Nf3!? 21.Rf7 Ne5-/+) 21.Nd2=+ Rd8 22.Rh6 (22.f4!? Rg3 23.fe5 Rc3 24.Kd1 Rd2 25.Kd2 Rh3 26.Kc2 Rh7 27.ef6 Rh2 28.Kb3=) 22...Bb6-/+ 23.Rf6?? (better 23.Rh2-/+) 23...Be3-+ 24.Nb3 Nf3?? (better 24...Rg3 25.Nd4 Bg5-+) 25.Bd3?? (better 25.Rf7 Bf2 26.f6 Ne1 27.Re1 Be1 28.Bh3 Kb8 29.Nc5=) 25…Rg2-+ (25...Rg2 26.Nd2 Rd2 27.Kb3 R8d3-+) 0-1. beatmeeasy (1925) - Istyle (1880), lichess.org, 2020.

4.Bg2 Bg7

5.h3 0-0 6.d3 d5 7.e3 Nc6 8.a3 a6 9.Nd2 e5 10.Nb3 Be6 11.Nf3 h6 12.Ne5 Ne5 13.Be5 d4 14.Bd4 c5 15.Nc5 Bc8 16.Nb7 Bb7 17.Bb7 Rb8 18.Ba6 Nd5 19.Bg7 Kg7 20.Qd2 Re8 21.Bc4 Nb6 22.Qc3 Kg8 23.Bb3 Rc8 24.Qf6 Qc7 25.Qh6 Re3 26.fe3 Qg3 27.Kd1 Qf3 28.Kd2 Qf2 29.Kc1 Rc2 30.Bc2 Nd5 31.Qg5 Kh7 32.d4 Kh8 33.Qh6 Kg8 34.Bh7 Kh8 35.Bg6 Kg8 36.Qh7 Kf8 37.Qh8 Ke7 38.Qe5 Kf8 39.Qd5 Qe3 40.Kb2 Qd2 41.Kb3 fg6 42.Rhf1 Kg7 43.Qf7 Kh6 44.Qf8 Kg5 45.Qe7 Kh6 46.g5 Kh5 47.Qh7 Kg5 48.Rg1 Kf6 49.Qg6 Ke7 50.Rae1 Kd7 51.Qe8 Kc7 52.Rg7 Kd6 53.Re6 Kd5 54.Qc6 Kd4 55.Rd7 1–0. adabriwala (1605) – flyingbicycle (1720), lichess.org, 2019.

5.h3 b6 6.Ba8 c6 7.d3 Na6 8.a3 Qc7 9.e3 Qb8 10.Bc6 dc6 11.Ne2 Bb7 12.Rg1 Qh2 13.Nd2 c5 14.bc5 Nc5 15.Nb3 Nb3 16.cb3 Qh3 17.Bf6 Bf6 18.Rc1 0-0 19.Rc7 Bf3 20.Rg3 Qh1 21.Kd2 Qd1 22.Kd1 Be2 23.Ke2 Be5 24.Re7 Bg3 25.fg3 Ra8 26.e4 Kg7 27.e5 Kf8 28.Rc7 Ke8 29.d4 Rd8 30.Ke3 Rd7 0–1. adabriwala – blender_0 (1705), lichess.org, 2019.

3.g4 Bg7

4.Qc1 h6 5.Bg2 d6 6.h3 e5 7.Nf3 Nc6 8.a3 0-0 9.d3 Re8 10.Nbd2 d5 11.c4 e4 12.de4 de4 13.Ng1 e3 14.fe3 Qd6 15.Bf3 Qg3 16.Kf1 h5 17.g5 Qg5 18.h4 Qe3 19.Nh3 Ng4 20.Bg7 Kg7 21.Qb2 Kg8 22.Ne4 Re4 23.Be4 Qe4 24.Ng5 Qh1 0–1. Adamkosh (1805) – waump (2150), lichess.org, 2019.

4.c4 h6 5.h4 d6 6.Bh3 e5 7.Nc3 (7.g5!? Nfd7 8.f4=+) 7...Ng4-/+ 8.h5 g5 9.Nd5 Nf6 10.Bc8 Qc8 11.Nf6 Bf6 12.d4 ed4 13.Bd4 Nd7 14.Bf6 Nf6 15.Qd4 Qe6 16.Nf3 (16.Rh3 0-0-0-/+) 16...0-0 17.Rg1 Kh8 18.0-0-0 c5 19.bc5 dc5 20.Qc3 b5 21.Rd5 (better 21.cb5 Rfb8 22.Ne5-/+) 21...bc4?? (better 21...Rab8-/+) 22.Re5+/- Qa6?? (22...Qc8 23.Reg5 Qe6 24.Re5+-) 23.Ng5 (23.Rf5 Rab8 24.Rf6 Kh7 25.Ra6 Rb6 26.Ra7 Rd6+-) 23...Qa2?? (23...hg5 24.Rf5 Qd6 (24...Qa2 25.Rf6 Qc2 26.Kc2 Kg8 27.Rg5 Kh7 28.Rh6 Kh6 29.Qg7) 25.Qf6 Qf6 26.Rf6 Kg7+/-) 24.Rf5 hg5 25.Qf6 (better 25.Rf6 Kh7 26.Rg5 Qd2 27.Qd2 Rfd8 28.Rh6 Kh6 29.Rg6 Kh5 30.Qg5) 25...Kh7= 26.Rfg5 Qa3 27.Kc2 Qb3 28.Kc1 Qa3 29.Kc2 Qb3 30.Kc1 Qa3 ½-½. is_er_nog_hoop (2530) - Asonchess (2510), Rochade Europa Bullet Prize Arena, lichess.org, 2020.

4.e4 0-0 5.e5 Nd5 6.b5 Nf4 7.Qf3 Ne6 8.d4 d6 9.d5 de5?? (better is 9...Nc5-/+) 10.de6+/- fe6? (10...Be6!? 11.Nc3 c6+/-) 11.Qb3 Qd5 12.Qd5 (better is 12.f3!?+-) 12...ed5+/- 13.Nd2 (better is 13.Bg2!? c6 14.bc6 bc6 15.c4+/-) 13...Bg4= 14.Bg2 e4 15.Bg7 Kg7 16.Ne2 Be2 17.Ke2 Nd7 18.Rhf1 Rf6 19.f3 ef3 20.Rf3 Raf8 21.Rf6 Rf6 (better is 21...Nf6 22.c4 c6=) 22.Bd5+/- Ne5 (22...c6 23.bc6 bc6 24.Bf3+/-) 23.Rf1 (23.Bb7!? Rb6 24.Ba6 Ng4+-) 23...Rb6 24.a4 e6 25.Bg2 Ng4? (25...c6 26.c4 cb5 27.c5+-) 26.h3 (26.Nc4 Nh2 27.Rd1 h5+-) 26...Nf6 (26...Ne5 27.c4 c5 28.Ne4 Nc4 29.Nc5+-) 27.c4 (better is 27.Nc4!? Nd7+-) 27...Rd6 28.Ne4 (better is 28.Bb7!? Rd4+-) 28...Ne4 29.Be4 Rd4 30.Bb7 Rc4 31.a5 Rb4 32.Bc6 Rb2 33.Kd3 (33...Rb3 34.Ke4 Rh3 35.Bd7+-) 1–0. chevin – jesperlevin, Live Game Caissa's Web, 2004.

4.Bg2 d5 5.h3 0-0 6.e3 c6 7.d3 Qb6 8.a3 a5 9.Ne2 ab4 10.ab4 Ra1 11.Ba1 Qb4 12.Nbc3 b5 13.Nd4 e5 14.g5 Nh5 15.Nf3 d4 16.Qb1 Qa5 17.Qa2 Qa2 18.Na2 c5 19.e4 Nf4 20.Bf1 Nc6 21.h4 Be6 22.Nc1 Ra8 23.Nb3 Bb3 24.cb3 Ra1 25.Kd2 Ra2 26.Ke1 Nb4 27.Bg2 Ng2 28.Kf1 Nf4 29.Kg1 Ra1 30.Kh2 Rh1 31.Kh1 Nfd3 32.Kh2 Nf2 33.Kg3 Ne4 34.Kg4 c4 35.h5 cb3 36.hg6 hg6 37.Nh4 b2 38.Ng6 fg6 39.Kf3 Nc3 40.Kf2 b1Q 41.Kf3 Qf5 42.Kg2 Qg5 43.Kh3 Qe3 44.Kh4 Qf4 45.Kh3 d3 46.Kg2 d2 47.Kh3 d1Q 48.Kg2 Qdf1 0–1. adabriwala (1630) – Oleg14 (1925), lichess.org, 2017.

4.Bg2 Nh5 5.Qc1 Nf6 6.g5 Nh5 7.Bf3 0-0 (7...e5!? 8.d4 Nf4 9.de5 Qg5=) 8.Bh5+= gh5 9.Bg7 Kg7 10.Qb2 Kg8 11.c4 d5 12.Nc3 (12.d3 dc4 13.dc4 c5+=) 12...d4 (12...dc4!? 13.Nf3 Bg4=+) 13.Ne4+= Bf5 14.Ng3 Bg6 15.f4 (15.Nf3+/-) 15...e5?? (better 15...h4 16.Nf1 d3=+) 16.f5+/- (16.fe5?! h4 17.Nf1 Be4=+) 16...Qg5 17.fg6 hg6 18.Nf3 Qe7 19.0-0-0 Nc6 20.b5 Na5 21.d3 a6 22.Qd2?? (better 22.Rdg1+/-) 22...ab5-/+ 23.Qh6?? (better 23.Qc2 h4 24.Nf1 bc4 25.dc4 Qa3 26.Kb1 Qb4 27.Qb2 Qb2 28.Kb2 Nc4 29.Kb3-+) 23...Qa3-+ 24.Kb1 Nc4! (24...bc4?! 25.Nh5 Qb4 26.Kc2 Qa4 27.Kd2 Qb4 28.Kc2 Qc3 29.Kb1 Qb4 30.Kc2=) 25.Rd2 (25.dc4 Qa2 Mate attack) 25...Nd2 (25...Qb4 26.Kc1 Qc3 27.Kd1 Qa1 28.Kc2 Qb2 29.Kd1 Qb1) 26.Qd2-+ Ra4 27.Rc1 Rfa8 (27...Qe7 28.Qg5 Qg5 29.Ng5-+) 28.Rc2? (28.Rc7 h4 29.Ne4 Qb3 30.Kc1 (30.ab3?? Ra1 31.Kc2 R8a2) 30...Ra2 31.Nf6 Kg7 32.Nh5 gh5 33.Qg5 Kf8 34.Qe7 Kg8 35.Qg5 Kh7 36.Qf5 Kh8 37.Qf6 Kg8 38.Qg5 Kh7 39.Qf5 Kg7 40.Qg5 Kh7=) 28...Qb3 29.Rb2 (29.ab3?? Ra1 30.Kb2 R8a2) 29...Qd5 30.Ne4 Kg7 31.Qg5 Ra2 32.Qe5 (32.Qf6 Kh7 33.Nfg5 Kg8 34.Qg6 fg6 35.Nf6 Kg7 36.Nd5 Ra1 37.Kc2 c6-+) 32...Qe5 33.Ne5 Ra1 34.Kc2 c6 35.Nd6 Re1 36.Kd2 Raa1 37.Nf3 Red1 (37...Rad1 38.Kc2 Re2 39.Kd1 Rb2 40.Nb7-+) 38.Kc2 Rac1 39.Kb3 Rb1 (better 39...Rh1!?-+) 40.Nb7 Rb2 41.Kb2 Rh1 (41...g5 42.Nd4 h4 43.Nd6-/+) 42.Nd6 (42.h4 g5! 43.hg5 h4-/+) 42...f6 43.Ne4 g5 (43...h4!?-/+) 44.Ng3 Rd1 45.Nh5 Kg6 46.Kc2 f5?? (better 46...Ra1 47.Ng3 c5-/+) 47.Ng3?? (better 47.Kd1 Kh5 48.Nd4+-) 47...Ra1= 48.Ne5 Kf6 49.Nc6 (49.Nc6 Ra4 50.Kb2=+) 1-0. is_er_nog_hoop (2575) - ZhohoFF (2585), Rated blitz game, lichess.org, 2020.

4.h3 d5 5.Bg2 0-0 6.d3 d4 7.Nd2 (7.c4 dc3 8.Nc3 c6=) 7...Nc6 (7...Nd5 8.a3=+) 8.a3 (8.Bc6 bc6 9.Nb3 a5=) 8...e5 (8...Nd5 9.Ne4=+) 9.Nb3 (9.Bc6 bc6 10.c3 c5=) 9...Re8 (9...Nd5 10.Be4=+) 10.Qd2 (10.Bc6 bc6 11.Nf3 Nd5=) 10...e4 (10...Nd5 11.Be4=+) 11.g5 e3 12.fe3 de3 13.Qc3? (better 13.Qc1 Nd5 14.Bd5 Qd5 15.Nf3=+) 13...Nh5-+ 14.d4 Qg5 (better 14...Nd4!? 15.Nd4 Qg5 16.Bd5 Qd5 17.Ngf3-+) 15.Bc6 Qg3 16.Kd1 bc6 17.Nf3 (17.Qc6 Bd7! 18.Qb7 Nf4-+) 17...Nf4 (better 17...Bh3 18.Qc6 Bg2-+) 18.Rf1? (18.Qc6 Be6 19.c4 Ne2-+) 18...Nh3 (18...Ne2 19.Qe1 Bh3 20.Qg3 Ng3 21.Rg1-+) 19.Ne5? (19.Qe1 Nf2 20.Kc1 Bg4-+) 19...Ba6 (better 19...Nf2 20.Rf2 Qg1 21.Rf1 Qf1 22.Qe1 Qe1 23.Ke1-+) 20.Nf7?? (better 20.Nc5 Nf2 21.Kc1 Be2 22.Re1-+) 20...Nf2 21.Kc1 Kf7 22.Kb1 (22.Qe1 Qg4 23.Nc5 Be2-+) 22...Rad8 (22...Be2 23.Rc1-+) 23.Ka2 (23.Na5 Be2 (worse 23...Bd4 24.Qb3 Kf8 25.Nc6 Be2 26.Re1-+) 24.Re1 Bb5 25.Nc6 Bc6 26.Qc6 Qf4-+) 23...Kg8 (23...Be2 24.Rg1 Qf3 25.Rae1-+) 24.Qc6 (24.Rae1-+) 24...Bc4 (better 24...Be2 25.Rfe1 Bf3-+) 25.Qc7?? (better 25.Qc4 Kh8 26.Qa6=) 25...Bb3 26.Kb3 Qc7 27.Rf2 ef2 28.Rf1 Re2 29.Rc1 f1Q 30.Rf1 (30.c4 Qf3 31.Ka4 Qcc6 32.b5 Rb2 33.Rc3 Qd1 34.Rc2 Qc2 35.Ka5 Qb6) 30...Qc2 31.Ka2 Qb2 0–1. adabriwala (1640) – DIGashi (1840), lichess.org, 2019.

4.h3 d6 5.Bg2 e5 6.d3 0-0 7.e3 a5 8.ba5 c5 9.Nd2 Qa5 10.Ne2 Nc6 11.Bc6 bc6 12.Ng3 Rb8 13.Rb1 Qa2 14.Qc1 Be6 15.Nge4 Ne4 16.Ne4 Bd5 17.Rh2 Be4 18.de4 Qa5 19.Ke2 d5 20.ed5 cd5 21.f4 d4 22.ed4 ed4 23.h4 Qb5 24.Kf3 Qc6 25.Kg3 c4 26.Ba3 Rfe8 27.Rb8 Rb8 28.Be7 Qe4 29.Bd6 Ra8 30.Qb2 Qe3 31.Kg2 Qe2 32.Kh1 Qf1 0–1. adabriwala – Dragonazul (1810), lichess.org, 2019.

4.h4 c5 5.bc5+= Qa5 6.g5 Nh5 7.Bg7 Ng7 8.Nc3 Qc5 9.h5 (9.Rb1!?+=) 9...Nh5=+ 10.Rh5? (better 10.Nf3=+) 10...gh5-+ 11.f4?? (11.Rb1 Qg5 12.Nh3-+) 11...Qg1 12.Qb1 (12.e3 Qg3 13.Ke2 h6-+) 12...Nc6 (better 12...Qg3 13.Kd1 Qf2 14.Kc1 Qf1 15.Kb2 Qf4 16.Qh1-+) 13.Qb2 (13.e3 h6 14.Nd5 Rb8-+) 13...f6 (better 13...Qg3 14.Kd1 Qf4-+) 14.0-0-0 Rf8 15.Nd5 Kd8 16.gf6 e6 17.Ne7 Qb6 18.Nc6 bc6 19.Qe5 Rb8 20.d4 Qb2 21.Kd2 Qb4 22.Ke3 d6 (better 22...Rb5!? 23.Qe4-+) 23.Qg5 Qc3 (better 23...Qa3 24.Kd2-+) 24.Rd3 Qc2 25.f7 (25.Qg7 Qc1 26.Rd2 Rf6 27.Qf6 Kc7 28.d5 ed5 29.Qg7 Bd7 30.Bh3 d4 31.Qd4 Qg1 32.Kd3 Qd4 33.Kd4 c5 34.Kd3 Bh3 35.e4-+) 25...Kc7 (better 25...Kd7!? 26.Qf6 Ba6 27.d5 cd5 28.f5 ef5 29.Rc3 Qe4 30.Kf2-+) 26.Qe7 Bd7 27.Bh3 (27.Kf3 Qa2 28.d5 Qc4 29.dc6 Qc6 30.e4 d5-+) 27...Qc1 (27...Rb2 28.Bf1 Qc1 29.Kf2 Qf4 30.Rf3 Qd4 31.Kg2 Qg7 32.Kh1 Ra2 33.Rf4-+) 28.Kf2 (28.Kf3 Qh1 29.Bg2-+) 28...Qh1 (better 28...Qf4 29.Rf3 Qd4 30.Kg2 Qe5-+) 29.Be6-/+ Rbd8 30.d5?? (30.Bd7 Rf7 31.Qf7 Rd7=+) 30...Qh2 (30...Qe4 31.f5-+) 31.Ke3?? (31.Kf3 Rh8 32.Bd7 Qh1 33.Ke3 Qc1 34.Kf3 Rd7 35.f8Q Rf8 36.Qf8 Qf1 37.Ke3 Qg1 38.Kd2=) 31...Qg3-+ 32.Kd2 (32.Ke4 Qe1 33.Ke3 Qg1 34.Kf3-+) 32...Qg7 (better 32...Qf4!? 33.e3 Qh2 34.Kd1-+) 33.Rc3?? (better 33.dc6 Qb2 34.Kd1 Qb1 35.Kd2 Qb4 36.Kc2 Qa4 37.Bb3 Qf4 38.cd7+=) 33...c5 (better 33...Qd4 34.Kc2 Qe4 35.Kd1 c5-+) 34.Rc5?? (34.Kc2 a5 35.Ra3 Qg6 36.f5-/+) 34...dc5 35.Qc5 Kb8 36.Qd6 Ka8 37.Bd7 Rd7! 38.Qd7 Qf7 39.Qc6 Qb7 40.d6 (40.Qb7 Kb7 41.Ke3 h4-+) 40...Rd8 (40...Qc6 41.d7 Qd7 42.Kc2 Rc8 43.Kb3 Qb5 44.Ka3 Rc3) 41.d7 (41.Qc5-+) 41...Qc6 42.Ke3 Qd7 43.Kf2 (43.Kf3 Qd5 44.Kg3 Qe4 45.e3 Rg8 46.Kf2 Rg2 47.Kf1 Qf3 48.Ke1 Qe2) 43...Qd4 (43...Qh3 44.a3 Rd1 45.e4 Rd2 46.Ke1 Qe3 47.Kf1 Qf2) 44.e3 (44.Kf3 Re8 45.e4 Qe4 46.Kf2 Qf4 47.Kg1 Rg8 48.Kh1 Qh4) 44...Qe4 (44...Qd1 45.Kg3 Rd2 46.e4 Qg4) 45.Kg3 Rd3 (45...Rg8 46.Kf2 Rg2 47.Kf1 Qf3 48.Ke1 Qe2) 46.Kh4 (46.Kh3 Qf3 47.Kh2 Rd2 48.Kg1 Qd1) 46...Re3 47.Kg5 Qf4! 48.Kf4 Ra3 49.Kg5 Ra2 50.Kh6 Ra4 (50...h4 51.Kh5 h3 52.Kg4 h2 53.Kf5 h1Q 54.Ke6 Qe4 55.Kf6 Rf2 56.Kg5 Qf4 57.Kh5 Rh2) 51.Kg7 Rb4 (51...h4 52.Kf8 h3 53.Kg7 h2 54.Kf7 h1Q 55.Ke6 Qc6 56.Kf7 Re4 57.Kg7 Re7 58.Kf8 Qe8) 52.Kh6-+ Rb6 (52...h4 53.Kh5 h3 54.Kh6 h2 55.Kg7 h1Q 56.Kf7 Qc6 57.Kf8 Rb7 58.Kg8 Qe8) 53.Kg7 a5 54.Kh8 (54.Kh7 a4 55.Kg7 a3 56.Kh7 a2 57.Kg8 h4 58.Kg7 a1Q 59.Kf8 Rb7 60.Ke8 Qh8) ½-½. is_er_nog_hoop (2545) - Lucifer_7 (2570), Rated bullet game, lichess.org, 2020.

4.h4 h5 5.g5 a5 6.b5 0-0 7.gf6 ef6 8.Nc3 d5 9.d4 a4 10.a3 Re8 11.Bg2 c6 12.bc6 bc6 13.Nf3 Bf5 14.0-0 Nd7 15.Nd2 (15.Bc1 Qa5 16.Bd2 Qc7+-) 15...Nb6 (15...Bg4 16.Ndb1+/-) 16.e4 Bg4 17.f3 Bd7 18.f4 f5 19.e5 Qh4 20.Nf3 Qf4 21.Bc1 Qg3 (21...Qg4 22.Rb1 Rab8 23.Qd3+=) 22.Bg5 (22.Ne2 Qg4+-) 22...f4 (22...Nc4 23.Qc1 f4 24.Bf4+/- (24.Qf4?! Qf4 25.Bf4 f6+=)) 23.Bh4 (23.Ne2!? Qg4 24.Nf4+-) 23...Qg4+/- 24.Rb1?? (24.Qc1 Bh6 25.Nd1=) 24...Nc4-/+ 25.Qe2 Ne3 26.Rf2 Bf5 27.Bg5 (better 27.Nd1!? Nc4 28.Rb7-/+) 27...Bc2-+ 28.Rc1 Be4 (28...Bb3!? 29.Nb1 Bc4 30.Rc4 dc4 31.Nc3-+) 29.Ne4-/+ de4 30.Nd2 Qg5 31.Ne4 Qh4 32.Nd6 Re6 33.Rc6 Rb8 (worse 33...Ng2 34.Rg2 Rb8 35.Qe4-+) 34.Rc1 (34.Qf3 Rb1 35.Bf1 Qg5 (35...Nf1?! 36.Rf1 Rb3 37.Rc3-+; 35...Rf1 36.Rf1 Qg5 37.Kf2 Be5 38.Rc8 Kh7 39.de5 Ng4 40.Kg1 Ne5 41.Qg2 Qg2 42.Kg2 f3 43.Kg1 Rd6 44.Rc5-+) 36.Kh1 Qg3 (worse 36...Rf1 37.Rf1 Nf1 38.Qf1-+; 36...Nf1?! 37.Rf1 Rf1 38.Qf1-+) 37.Rc8 Bf8-+) 34...Ng4 35.Rf3 (35.Qd2 Qh2 36.Kf1 Ne3 37.Ke1 Bf6-+) 35...Qh2 (35...Rd6 36.Rh3 Qg5 37.ed6 Bd4 38.Kh1 Nf2 39.Qf2 Bf2 40.Rf1-+) 36.Kf1 Ne3 (better 36...Rd6!? 37.ed6 Bd4 38.Ke1-+) 37.Re3 fe3 38.Qe3 Kh7 (38...Rb3 39.Qf2 Rd6 40.ed6 Qd6 41.Rd1-+) 39.Nf7 Rf8 40.Rc7 Kg8 41.Bd5 Rf7 (better 41...Rb6!?-+) 42.Rf7 Kf7 43.Qg5? (43.Qf3 Ke7 44.Be6 Ke6 45.Qc6 Kf5 46.Qd7 Kf4 47.Qg7 Qh3 48.Ke2 Qe3 49.Kf1 Qa3 50.Qf6 Ke3 51.e6 Qd3 52.Kg1 Qd1 53.Qf1 Qg4 54.Kh2 Kd4 55.Qf2 Kd3 56.Qg3 Qg3 57.Kg3=) 43...Qh3 44.Ke2 Qf5 (44...Qg4 45.Qg4 hg4 46.Ke3-+) 45.Be6 Ke6 46.Qd8 Qe4 47.Kd2 (47.Kf2 Qf4 48.Kg2-+) 47...Bh6 48.Kc3 Qe3 49.Kb4 Qd2 (better 49...Qb3 50.Kc5 Qa3 51.Kb5-+) 50.Kb5? (better 50.Ka4 Qd1 51.Kb5 Qf1 52.Kb6-+) 50...Qb2 (better 50...Qd3 51.Kc6 Kf5 52.Qd7 Kf4-+) 51.Ka6 (51.Ka6 Qe2 52.Ka5 Bd2 53.Kb6-+). is_er_nog_hoop (2525) - squat_king (2550), Rated blitz game, lichess.org, 2019.

4.h4 Nh5 5.Qc1 Nf6 6.g5 Nh5 7.e3 0-0 8.Be2 Bb2 9.Qb2 e5 (better 9...d6!?+=) 10.Bh5+/- gh5 11.Ne2 (11.Qe5 Nc6 12.Qf4 a5+-) 11...Nc6 (11...d6 12.f4 Re8 13.fe5 de5 14.Nbc3+/-) 12.Ng3 f6 (better 12...Qe7!? 13.a3 d6+/-) 13.b5+- Na5 14.Nh5 fg5 (14...d6 15.Nf6 Kh8 16.Qc3+-) 15.Rg1 (15.Qe5 Rf7 16.Rg1 h6 17.hg5 d6+-) 15...h6?? (15...d6 16.Rg5 Kf7+-) 16.hg5 (16.Qe5!? Rf7 17.hg5 d6+-) 16...Nc4 (16...d6 17.Qc3+-) 17.gh6 (17.Qc3!? d5 18.d3 hg5 19.dc4 d4+-) 17...Kh7 18.Qc3 d5 19.Na3 Qh4 (19...Na3 20.Qe5 Rf7 21.Rg7 Kh6 22.Rf7 Nc2 23.Kd1 Ne3 24.de3 Bg4 25.Kd2 Rc8 26.Qg7 Kh5 27.Qh7 Kg5 28.f4) 20.0-0-0?? (better 20.Nf4! Rf7 21.Nc4+-) 20...Qh5+= 21.Nc4 dc4 22.Rg7 Kh6 23.Rdg1 Bf5?? (23...Be6 24.e4 Rf4+/-) 24.Qe5+- (24.Qc4?! Rac8+-) 24...Rae8 (24...Bg4 25.Qc7 Rf6 26.Rh7 Kg6 27.Rh5 Rf5 28.Qd6 Kh5 29.Rh1 Bh3 30.Rh3 Kg5 31.Qh6 Kg4 32.Qh4) 25.Qf4 Qg5 26.Qg5 1-0. is_er_nog_hoop (2515) - Michael_Owen (2525), Rated bullet game, lichess.org, 2019.

4.c4 0-0

5.e3 d5 6.cd5 (6.g5 Ne4 7.Bg7 Kg7=) 6...Qd5 (worse 6...Ng4 7.Bg7 Kg7 8.Nc3=+) 7.Nf3 (7.f3!?=+) 7...Bg4-+ 8.Be2 Nc6 9.b5 (9.a3 Rad8-/+) 9...Nd8 (better 9...Bf3!? 10.Bf3 Qb5-+) 10.Nc3-/+ Qh5 11.h3 Ne6 (11...Bh3? 12.Bf1+-) 12.Qc2?? (better 12.d4-/+) 12...Bf3-+ 13.Bf3 Qf3 14.Rg1 Qh3 15.0-0-0 Rad8 16.Rh1 Qf3 17.Rh2 (17.d4 c5 18.bc6 bc6-+) 17...c6 (17...Ng4!? 18.Rhh1 Nf2 19.Rdf1 Nd3 20.Kb1-+) 18.Rdh1 cb5 19.Kb1 Rc8 20.Qb3 a6 21.Ne2 (21.Qd1 Qf5 22.d3-+) 21...Qe2 22.Bf6 ef6 23.Rh7 (23.f4 Qf3 24.Rh3 Qc6 25.Rh7 Qe4 26.d3 Qe3-+) 23...Rfd8 (better 23...Ng5 24.Rg7 Kg7-+) 24.Qb4 (24.d4 Ng5 25.Rg7 Kg7-+) 24...Qd3 (24...Rd2 25.Qb3 Rcc2 26.Rh8 Bh8 27.Qd5 Rd5 28.Rh8 Kh8 29.e4 Rd1) 25.Ka1 f5 26.Rg7 Kg7 27.Qh4 Rh8 (27...Rh8 28.Rb1 Rh4 29.Rg1 Qa3 30.Rb1 Rc2 31.Rb5 Qa2) 0-1. is_er_nog_hoop (2615) - kiflaaa (2610), Rated bullet game, lichess.org, 2020.

5.g5 Ne4 6.Qc2 Bb2=+ 7.Qb2 Ng5 8.h4 Ne6 9.h5 f6 (9...g5!?=+) 10.hg6= hg6 11.e3 c5 12.f4 Ng7 (12...cb4 13.d4 Qa5 14.Bd3=) 13.d4 (13.bc5 Qa5+/-) 13...cd4+= 14.Bd3 f5 (14...de3 15.Bg6 Nh5 16.Qg2+-) 15.Qh2 (worse 15.Qd4 Nc6 16.Qc3 Qb6=+) 15...Qb6 (15...de3 16.Qh7 Kf7 17.Nf3+-) 16.Nf3 (16.Qh7 Kf7 17.Nf3 Qb4 18.Kf1+-) 16...Nh5= (16...de3?? 17.Qh8 Kf7 18.Ng5 Ke8 19.Qf8 Kf8 20.Rh8) 17.Qg2 (worse 17.Nd4 Nc6 18.Nc2 Nb4 19.Nb4 Qb4 20.Nd2 Rf6-/+) 17...de3 (17...Kh7 18.Nd4 Qb4 19.Nd2 e6+=) 18.Rh5+/- Na6? (18...Qb4 19.Kd1 Qd6+-) 19.Bf5?? (better 19.a3 Kf7 20.Ne5 Ke8 21.Rh7+-) 19...Kf7?? (19...Qb4 20.Kf1 Qc4 21.Kg1 Rf7 22.Bg6 Rg7 23.Bh7 Kf8 24.Rf5 Qf7 25.Rf7 Kf7 26.Ng5 Kf8+-) 20.Bg6!+- (20.Bg6 Qg6 21.Ne5 Ke8 22.Qg6 Kd8 23.Qg7+-) 1-0. is_er_nog_hoop (2505) - FirstKnight (2560), Rated blitz game, lichess.org, 2020.

5.g5 Ne4 6.Bg7!? Kg7 7.Nf3=.

5.g5 Ne4 6.Bg7 Kg7 7.h4 d5 8.d3 Nd6 9.cd5 c6 10.dc6 Nc6 11.a3 e5 12.Nc3 Bf5 Black intends e4 13.Bg2 Re8 Black intends e4 14.Nf3 e4 15.de4 Be4 16.Ne4 Re4 17.Qc2 Qe7 18.Qb2 Kg8 19.e3 Nf5 20.h5 Ne3? (better 20...Rd8!?+/-) 21.fe3+- Re3 22.Kf1 Re8 23.h6 Ne5 24.Kf2?? (better 24.Qd4 Rd3 25.Qe4+-) 24...Nd3-+ 25.Kg3 (25.Kg1 Nb2 26.Rh4 f5-+) 25...Nb2 26.Rhc1 (26.Rhf1 Qc7 27.Kh3 Nd3-+) 26...Qg5 27.Kf2 Re2 (27...Re2 28.Kg1 Qg2) 0-1. is_er_nog_hoop (2565) - Marcsimsl (2510), Titled Arena Warm-up June '20, lichess.org, 2020.

5.g5 Nh5 6.Bg7 Ng7 7.Nc3 a5 8.b5 b6 9.e3 (9.Bg2 Ra7+=) 9...Bb7= 10.Nf3 e6 11.Bg2 e5 12.Rg1 e4 13.Ne5 Qg5 14.d4 ed3 15.Bb7?? (15.Qd3 Bg2 Discovered attack; 15.Nd3 Bg2 Discovered attack) 15...Qg1-+ (15...Qe5?! 16.Qd3 Ra7 17.Be4=+) 16.Kd2 Qf2 17.Kd3 Ra7 18.Be4 d6 (18...Qh2 19.Ng4 Qd6 20.Ke2 Qd1 21.Rd1-+) 19.Ng4 Qh4 20.Qf3 Nd7 21.Nd5 (21.Ke2-+) 21...Qg4! 22.Nf6 (22.Qg4 Ne5 Double attack (22...Ne5 Decoy)) 22...Nf6 23.Qf6 Ne6 24.Rf1 (24.Bd5-+) 24...Nc5 25.Kd2 Ne4 (25...Ne4 26.Kc1 Nf6-+) 0-1. is_er_nog_hoop (2645) - NIKiler (2645), Elite Prize Team Battle, lichess.org, 2020.

5.g5 Nh5 6.Bg7 Ng7 7.Nc3 c6 8.h4 d5 9.cd5 cd5 10.Qb3 d4 11.Nd5 Be6 12.Bg2 Nc6 13.b5 Nb4 14.Nf6 ef6 15.Qb4 fg5 16.hg5 Qg5 17.Kf1 (17.Bb7 Rae8=) 17...Rad8 18.Nf3 Exerts pressure on the isolated pawn (18.Bb7!? d3 19.Re1=) 18...Qf6-/+ 19.a4 d3 20.Re1 de2 21.Re2 Rfe8 22.a5 Nf5 23.a6? (better 23.Kg1!?-/+) 23...Bd5 24.ab7? (24.Re8 Re8 25.Qc3 Qb6-+) 24...Bb7 (better 24...Re2 25.Ke2 Bf3 26.Bf3 Nd4 27.Kf1 Qf3-+) 25.Re8 Re8 26.Rh2?? (26.Qc3 Qb6 27.Qd3-+) 26...Ng3!! 27.fg3 Bf3 28.Qf4 (28.d4 Re2 29.Kg1-+) 28...Qf4 (28...Qa1 29.Kf2 Qe1 30.Kf3 Qe2) 29.gf4-+ Bg2 30.Rg2 Rb8 31.Rg5 f5 32.Rg3 Rb5 33.Ra3 Rb4 34.Rc3 (34.Ra7 Rf4 35.Ke2-+) 34...Rf4 35.Ke2 Re4 36.Kf3 a5 37.Rc7 a4 38.Ra7 h5 39.d3 Rd4 40.Ke3 Rb4 41.d4 h4 42.d5 Rb5 (better 42...h3 43.Kf2 h2 44.Kg2-+) 43.Kd4 h3 44.d6 (44.Ra4 g5 45.Ra8 Kg7 46.d6-+) 44...Rb6 (better 44...h2 45.d7 Rb8 46.Rb7-+) 45.Kc5?? (45.d7 Rd6 46.Ke5=) 45...Rd6 46.Kd6 h2 (better 46...g5 47.Ra8 Kg7-+) 47.Ke6?? (better 47.Ra8 Kg7 48.Ra7 Kh6 49.Ra8=) 47...h1Q-+ 48.Kf6 Qc6 49.Kg5 Kf8 50.Ra6 Qa6 (50...Qa6 51.Kh4 Qd3 52.Kg5 Qg3 53.Kf6 Qd6 54.Kg5 Kg7 55.Kh4 Qh2 56.Kg5 Qg3) 0-1. is_er_nog_hoop (2620) - NIKiler (2655), Elite Prize Team Battle, lichess.org, 2020.

5.g5 Nh5 6.Bg7 Kg7 7.e3 e5 8.h4 d5 9.cd5 c6 (better 9...Qd5!? 10.Nf3 Bg4=+) 10.dc6+= Nc6 11.a3 Be6 12.Be2 e4 13.Bh5 gh5 14.Qh5 Ne5 15.Nc3 Nd3 16.Kf1 Bf5 (16...Ne5 17.Qh6 Kg8 18.Qf6 Qd3 19.Kg2+-) 17.Nh3 (17.f3!? Re8 18.Qh6 Kg8 19.Qf6+-) 17...Bg6 (17...Qd7 18.Kg2=) 18.Qg4 f5 19.Qg3 f4? (better 19...Bh5!?+=) 20.Nf4+- (20.ef4?! Bf5+/-) 20...Nf4 21.ef4 Qd2 22.Rd1 Qc2 23.h5 Bf5 24.h6 Kg8 25.Kg2 e3 (25...a5 26.Nd5 ab4 27.ab4 Rf7+-) 26.Qe3 Rae8 (26...Rac8 27.Rc1 Rc3 28.Qc3 (28.Rc2?! Re3 29.fe3 Bc2+=) 28...Be4 29.Kg1 Qc3 30.Rc3 Bh1 31.Kh1 Rf4 32.Rc7 Rh4 33.Kg2 Rg4 34.Kf3 Rg5 35.Rb7+-) 27.Qd4 Be4 (27...Rf7 28.Rhe1 Ref8 29.Nd5+-) 28.Ne4 (better 28.Kh2 Re7 29.Rd2 Qd2 30.Qd2 Bh1 31.Kh1+-) 28...Qe4 29.Qe4 Re4 30.Rhe1 (better 30.Rh4!? Re7+-) 30...Ref4 31.Rd5 (31.Re2!? Rg4 32.Kf1 Rg5+-) 31...Rf2 32.Kg3 (32.Kh1 R2f7+-) 32...R2f3 (better 32...R8f3 33.Kg4 Rf4 34.Kh3 R4f3 35.Kh4 Rf4 36.Kg3 R4f3 37.Kg4 Rf4 38.Kg3 R4f3=) 33.Kg4?? (better 33.Kh2+/-) 33...R8f4 34.Kh5 Rh3 0-1. is_er_nog_hoop (2620) - oezs95 (2570), Rated bullet game, lichess.org, 2020.

5.g5 Nh5 6.Bg7 Ng7 7.h4 a5 8.b5 b6 (8...d5 9.e3=) 9.Bg2 c6 10.Nh3 Bb7 11.Nc3 Qc7 12.e3 e6 13.Nf4 cb5 (better 13...e5!? 14.Nd3 Ne6+=) 14.Nb5+/- Qc8 15.Nd6 Bg2? (better 15...Qc7!? 16.Nb7 Nc6+-) 16.Nc8 (16.Ng2? Qc6 17.d3 Qg2-+) 16...Bh1 17.Ne7 (better 17.Nb6!? Ra7 18.c5+-) 17...Kh8 18.h5 Nc6 (18...Re8 19.h6 Re7 20.hg7 Kg7+-) 19.Nc6+- Bc6 20.h6 (20.d4!? f6 21.gf6 Nh5 22.Nh5 gh5+-) 20...Nf5 21.d4 Kg8? (better 21...f6!?+-) 22.d5 ed5 23.cd5 Bb7 24.e4 (24.Qb1 f6 25.Qb6 Bc8 26.gf6 Ra6+-) 24...Nd6 (better 24...Rae8 25.f3 f6+-) 25.Qd4 f6 26.gf6 (26.Qb6 Ra6 27.Qb2 Ba8+-) 26...Ne4 (26...Rae8 27.f3 (27.Qb6?! Re4 28.Ne2 Rf6 29.Qd8 Kf7+-) 27...b5 28.Rc1+-) 27.f7! (27.Qe4?! Rae8 28.Qe7 Re7 29.fe7 Re8+-) 27...Kf7 (27...Rf7 28.Qe4 Zwischenzug; 27...Kf7 28.Qg7 Deflection (28.Qe4 Zwischenzug)) 28.Qg7 (28.Qe4?! Rae8 29.Ne6 de6+=) 28...Ke8 29.Qh7 (29.Ne6 Rf7 30.Nc7 Kd8 31.Qf7 Kc7 32.Qf4 Nd6 33.Rc1 Bc6+-) 29...Nf6?? (29...Rf4 30.Qh8 Rf8 31.Qe5 Kd8+-) 30.Qg6 Ke7 31.h7 Rae8 32.0-0-0 Rc8 (32...Kd8 33.h8Q! Rh8 34.Qf6 Kc7 35.Kd2+-) 33.Kb1 Rc4 (33...Kd6 34.Nh5 Kc7 35.Nf6 Ba6 36.Rc1 Kb7 37.Nd7 Bd3 38.Qd3 Rc1 39.Kc1 Rc8 40.Kd2 Kc7 41.d6 Kc6 42.Ne5 Kb7 43.Qf5 Re8 44.Qd7 Ka6 45.Qe8 a4 46.Qa4 Kb7 47.h8Q b5 48.Qb5 Ka7 49.Qhb8) 34.d6 Kd8 35.Qf6! Rf6 (35...Rf6 36.h8Q Mate attack) 36.h8Q (36.h8Q Rf8 37.Qf8) 1-0. is_er_nog_hoop (2605) - NIKiler (2610), Elite Prize Team Battle, lichess.org, 2020.

5.h3 d5 6.cd5 Qd5 7.Nf3 a5 8.Nc3 Qd8 9.b5 c6 10.a4 Nbd7 11.g5 Nd5 12.Qc2 Nb4 13.Qc1 (better 13.Qb1!?=+) 13...Nc5-+ 14.Qb1 Bf5 15.e4? (better 15.d3-+) 15...Ne4! 16.Ne4 Bb2 17.Qb2 Be4 18.h4 (18.Ra3 Nc2 19.Kd1-+) 18...Bf3 19.h5 (19.Rc1 Bh1 20.Qe5 Bg2-+) 19...Bh1 (better 19...Qd4! 20.Be2 (20.Qd4?? Nc2) 20...Qb2 21.Bf3 Qa1 22.Ke2 Qe5 23.Kf1-+) 20.h6 (20.hg6 fg6 21.bc6 Qd5-+) 20...e5! 21.f4 (21.Qe5 Nd3 Double attack (21...Nd3 Decoy)) 21…Qd4 (21...Qd4 22.Qd4 ed4-+) 0-1. is_er_nog_hoop (2515) - chessajedrezz2020 (2535), Prizes Arena, lichess.org, 2020.

4.c4 d6

5.g5 Nh5 6.Qc2 0-0 7.h4 h6 (7...e5!?=+) 8.gh6 Bh6 9.e3 e5 10.Bd3 Kg7 11.Nf3 Nc6 12.a3 Bg4 13.Ng5 Bg5 14.hg5 Qg5 15.Nc3 (15.f4 Qf6 16.b5 Ng3=) 15...Be6 (15...Bf3 16.Rf1=+) 16.Ne4 (16.Nd5 Qd8+=) 16...Qe7 (16...Qg2 17.0-0-0 Rh8 18.Rhg1=) 17.0-0-0 f5 18.Rdg1 Rh8 19.Rh5 (better 19.Ng5!? Kf8 20.f4+/-) 19...Rh5=+ 20.Ng3 Rg5 (20...Rh6 21.b5 Na5 22.Bc3=+) 21.f4 Rg4 22.b5? (22.Be2 Rh4 23.b5 Nd8 24.Nf5 Bf5 25.Qf5 Qe6=) 22...Nd8?? (22...Qh4 23.bc6 Rg3 24.Rg3 Qg3 25.fe5 Qe1 26.Qd1 Qd1 27.Kd1-+) 23.fe5? (23.Be2 Rh4 24.Nf5 Bf5 25.Qf5 Qe6=) 23...de5 (23...Kf8 24.Be2 Rg5 25.Qc3-/+) 24.Be5 (better 24.Be2!?=) 24...Kf7-/+ 25.Rh1 Ke8 26.c5 (better 26.Rh8!? Kd7 27.Qc3=+) 26...Nf7-+ 27.Qc3 Bd5 28.Rh7?? (better 28.Bf6 Qe6 29.Rg1-+) 28...Qe5 29.Qe5 Ne5 30.Rh8 (30.Be2 Rg3 31.Rh8 Ke7 32.Ra8 Rg1 33.Kc2 Re1-+) 30...Kd7 31.Ra8 Rg3 (better 31...Nd3 32.Kc2 Nc5 33.Ne2 Bb3 34.Kb2-+) 32.Kc2 Nd3 (better 32...f4!? 33.Ra7 fe3 34.de3 Re3 35.Bf1-+) 33.Kd3 Be4 34.Kd4 Rg2 (better 34...Rg1 35.Ra7 Rd1 36.Ke5 Rd2 37.c6 bc6 38.b6-+) 35.Ra7? (35.Kc3-+) 35...Rd2 36.Ke5 (36.Kc4 Rc2 37.Kd4 g5-+) 36...Rd3 (better 36...Rd5 37.Kf4 Rc5-+) 37.Rb7 (37.c6 bc6 38.b6-+) 37...Bb7 38.c6 Bc6! 39.bc6 Kc6 40.e4 Re3 41.Kf6 Re4 42.Kg6 f4 43.Kf5 f3 44.Ke4 f2 45.Kd3 f1Q 46.Kc3 Qa6 47.Kb3 Kb5 (47...Qd3 48.Kb2 Kd5 49.Kc1 Kc4 50.Kb2 Qb3 51.Kc1 Kd3 52.a4 Qc2) 48.Kb2 Qa4 (48...Qf6 49.Kc2 Kc4 50.Kd2 Qf2 51.Kc1 Kc3 52.a4 Qe1) 49.Ka2 (49.Kc3 Qa3 50.Kd4 c5 51.Ke5 Qe3 52.Kf5 c4 53.Kg6 c3 54.Kf6 c2 55.Kg6 c1Q 56.Kf5 Qf1 57.Kg6 Qg3 58.Kh5 Qfh3) 49...c5 (49...Qc2 50.Ka1 Kc4 51.a4 Kc3 52.a5 Qb2) 50.Kb2 (50.Ka1 Qa3 51.Kb1 c4 52.Kc2 Qe3 53.Kb1 c3 54.Kc2 Qd2 55.Kb3 Qb2) 50...Kc4 51.Kc1 (51.Ka1 Qb3 52.a4 Kc3 53.a5 Qb2) 51...Kc3 52.Kb1 Qc2 53.Ka1 Qb2 0-1. is_er_nog_hoop (2560) - MahammadMuradli2003 (2715), Titled Arena Warm-up June '20, lichess.org, 2020.

5.g5 Nh5 6.Qc2 Bf5 7.d3 Nc6 8.b5 Nd4 9.Qc1 0-0 (better 9...d5!? 10.e3 Ne6=) 10.e3+/- Ne6 11.Bg7 (11.e4 Bb2 12.Qb2 Be4 13.de4 Ng5 14.Nc3+/-) 11...Kg7?? (better 11...Neg7 12.e4 Bg4=+) 12.e4+- Be4 13.de4 Nc5 14.Qc3 e5 15.f3 (better 15.Qe3!?+/-) 15...Qg5= 16.Nh3 Qh4 17.Nf2 f5 18.Nd2 (18.ef5!? Rf5 19.Nd2=) 18...fe4-/+ 19.0-0-0?? (19.Rg1!?-/+) 19...ef3 (better 19...Qf2 20.fe4 a6-+) 20.Qe3 Nf4 (better 20...Qf4 21.Re1 a6-+) 21.Rg1?? (better 21.Nf3 Qh5 22.Rd2=+) 21...Qf2!! (21...Qh2?! 22.Ng4 Qh5 23.Nf3-/+) 22.Qf2 Nfd3 23.Bd3 Nd3 24.Kc2 Nf2 25.Rdf1 Nh3 26.Rg3 Nf4 27.Rgf3 Rae8 (27...a6 28.ba6 Ra6 29.a3-+) 28.Ne4 h6 29.h4 Rf5 30.Nc3 (30.Ra3 Ne6 31.Re1 Nd4 32.Kd1 Ra8-+) 30...Ref8 31.Rg3 Ne6 32.Rfg1 Rf2 33.Kb3 g5 34.Ne4 (34.hg5 hg5 35.Ne4 R8f3 36.Rf3 Rf3 37.Kc2 Kg6-+) 34...R2f3 35.Rf3 Rf3 36.Kb4 Kg6 37.hg5 hg5 38.Rh1 Rf4 39.Nc3 c6 40.Rh8 (40.bc6 bc6 41.Rd1 d5 42.Nd5 cd5 43.Rd5 Kf5-+) 40...d5 Black plans e4 41.bc6 Rc4 42.Kb3 bc6 43.Re8 Nc5 Black prepares the advance e4 44.Kb2 e4 45.Rc8 Nd3 46.Kb3 g4 47.Ne4 (47.a3 a5 48.Rd8-+) 47...Kf5 (better 47...Nc1 48.Kb2 de4-+) 48.Nd6-/+ Kf4 49.Nc4 dc4 50.Kc4 g3 (50...Ne5 51.Kc5=+) 51.Rg8?? (better 51.Kd3 g2 52.Rg8+=) 51...Nf2-/+ 52.Kc5 Ng4 53.Kc6?? (better 53.Rf8 Ke4 54.Re8 Kf5 55.Kc6 Ne5 56.Kd5=) 53...g2-+ 54.Rf8 Kg3 55.Kb7 g1Q 56.Rf7 Qc5 57.Ka8 (57.Rc7 Qb6 58.Kc8 Qa5-+) 57...Qb6 (better 57...Qd5 58.Rb7 Ne5 59.a4-+) 58.Rb7 Qa6 59.Ra7 (59.Rb3 Kf4 60.a3-+) 59...Qa7 60.Ka7 Ne5 61.a4 Nc4 62.Ka6 Nb2 63.Kb5 Nc4?? (63...Na4!? 64.Kc6=) 64.Kb4 (better 64.Kc4 Kf4 65.a5+-) 64...Na5?? (better 64...Ne5+=) 65.Ka5+- (65.Ka5 Kf3 66.Kb5 Kf4 67.a5 Kf5 68.a6 Kf4 69.a7 Ke5 70.Kc4 Kf5 71.a8Q Kf4 72.Qf8 Ke5 73.Qb8 Kf5 74.Kd5 Kf6 75.Qh8 Kg6 76.Ke5 Kg5 77.Qg7 Kh5 78.Kf5 Kh4 79.Qg4) 1-0. is_er_nog_hoop (2530) - medusa07 (2715), Titled Arena Warm-up June '20, lichess.org, 2020.

4.Bg2 0-0

5.Nf3 Nc6 6.e3 (6.b5 Na5 7.g5 Nd5 8.Bg7 Kg7=) 6...b6 (6...Nb4 7.g5 Nfd5 8.Bg7 Kg7 9.a3=+) 7.0-0 (7.g5 Ne4 8.Bg7 Kg7=) 7...Ng4 (7...Nb4 8.g5 Ne4 9.Bg7 Kg7 10.d3=+) 8.Bg7= Kg7 9.Ng5 (9.b5 Na5 10.Ne5 Ne5 11.Ba8-/+) 9...Nf6?? (9...d5 10.b5 Na5 11.Nc3-/+) 10.f4?? (better is 10.b5!?+/-) 10...h6 (10...a6 11.a3-/+) 11.Bc6 dc6-+ 12.Nf3 Bb7 13.Nc3-/+ e6 14.d4 c5 15.bc5 Ba6 16.Re1=+ bc5 17.dc5 Qd1 18.Red1 c6 19.Nd4 Rfc8 20.Kg2 Bc4 21.Nf3? Bd5 22.Nd5? cd5-+ 23.Nd4 Rc5 24.Rd2 Ne4 25.Nb3? Nd2 26.Nc5 Nc4 27.Nd7? Ne3 28.Kf3 Nc2 29.Rc1 Nb4 30.Ra1? a5 31.a4 Ra7 32.Nc5 Nc6 33.Ke3 Kf6 34.Nd3 Ke7 35.h4 Kd6 36.Rc1 Rb7 37.Kf3 Nd4 38.Ke3 Nf5 39.Kf2 Nh4 40.Kg3 Nf5 41.Kg4 f6 42.Nc5 Rb4 43.Ra1 h5 44.Kh3 Kc5 45.Rc1 Kd6 46.Rc8 Rf4 47.Rd8 Ke5 48.Ra8 Ra4 (48...Ra4 49.Rc8 g5-+) 0–1. Cleopatre – Rajko, internet, 2007.

5.Nf3 Ng4 6.Bg7 Kg7 7.d4=+.

5.g5 Nh5 6.Bg7 Kg7=.

5.h3 d6 6.Nf3 e5 7.0-0 (7.Nc3 e4 8.Nh2 Re8=+) 7...Nc6 (7...Nd5!?-/+) 8.b5= Ne7 9.c4 c6 10.Nc3 a6 11.a4 Be6 12.d3 Nd7 13.Ne4 Qc7 14.Ba3 Nc8 15.bc6 bc6 16.Nfg5 h6 17.Ne6 fe6 18.a5 Rf7 19.Qc2 White plans c5 19...Kh7 20.h4 (20.g5 d5 21.gh6 Bh6+=) 20...Rb8 (20...d5 21.Ng3 e4 22.cd5 ed5 23.Ra2 ed3 24.ed3=) 21.h5 g5 22.d4 White plans c5 (22.Rfc1 Rf4=) 22...Kh8 23.c5 dc5 (better 23...d5!? 24.Nd6 Rf8=+) 24.dc5+= Nf6 25.Nf6 Rf6 26.Bb2 (26.Qd3 Qa5 27.Qd7 Rf8 28.Bc6 Rb3+=) 26...Ne7 27.Be4 Nd5 28.Ra3 Rf4 29.f3 Rb5 Exerts pressure on the isolated pawn 30.Bc1 (30.e3 Rf8=) 30...Ra5 (30...Bf8 31.Rb3 Bc5 32.Kh1 Rb3 (32...Ra5 33.Bd5 ed5 34.Bf4 gf4 35.Rfb1+-) 33.Qb3 A) worse 33...Qa5 34.Qb8 Rf8 35.Qe5 Nf6 36.Bb2+- (36.Bc6?! Qb6 37.Qe6 Ng4+=); B) 33...Rf8=+) 31.Ra5= Qa5 32.Bf4 ef4 33.Rb1 Bd4 The isolani on c5 becomes a target 34.Kh2 Qc5 35.Rb8 (better 35.Qc5!? Bc5 36.Rc1+-) 35...Kg7= 36.Qb1 Bf6 (36...Be5 37.Rb7 Kf8 38.Kg2=) 37.Bd5 Qf2 38.Kh1 Kf7?? (better 38...Qh4 39.Kg2 Qg3 40.Kf1 Qh3 41.Ke1 Qh1 42.Kd2 Qb1 43.Rb1 cd5+=) 39.Rb7 (39.Qh7 Bg7 40.Qg6 Ke7 41.Qe6) 39...Ke8 (39...Kf8 40.Bc6 Be5+-) 40.Qg6 (40.Qg6 Kf8 41.Qf7) 1-0. is_er_nog_hoop (2600) - spectraline (2515), Rated blitz game, lichess.org, 2022.

4.Bg2 d6

5.c4 c6 6.h3 0-0 7.Qb3 Nbd7 8.e3 e5 9.Ne2 Qc7 10.0-0.

4.g5 0-0??

5.gf6 ef6 6.Nf3 a5 7.b5 c5 8.Bh3 d5 9.Bc8 Qc8 10.a4 b6 11.Nc3 d4 12.Ne4 Qe6 13.d3 Nd7 14.Qd2 Rae8 15.h4 h5 16.c4 Kh7 17.Nfg5 fg5 18.Ng5 Kg8 19.Ne6 Re6 20.0-0-0 Kh7 21.Kb1 Bh6 22.Qc2 Rfe8 23.Rde1 Ne5 24.Bc1 Bg7 25.Bf4 Ng4 26.Rhf1 Bh6 27.f3 Ne3 28.Be3 Be3 29.f4 f5 30.Rf3 Kg7 31.Ka2 Kf7 32.Kb3 Ke7 33.Rh1 Kd7 34.Rh2 Kd6 35.Rg2 R8e7 36.Rfg3 Rg7 37.Rf3 Rf6 38.Rg5 Re6 39.Qd1 Rge7 40.Qf1 Bd2 41.Qg2 Re2 42.Rg6 Kd7 43.Qg5 Bc3 44.Qf5 Kc7 45.Rc6 Kd8 46.Qc8 1–0. Adamkosh (2040) – pigly (1820), lichess.org, 2020.

4.g5 Nh5

5.Qc1 0-0 6.Bg2 Bb2 7.Qb2 f6 8.h4 fg5 9.hg5 e6 10.Bf3 Qg5 11.Nh3 Qf6 12.Nc3 Nf4 13.Nf4 Qf4 14.0-0-0 Qf5 15.Rdg1 Nc6 16.Bc6 bc6 17.f3 Bb7 18.Ne4 d5 19.Nc5 Bc8 20.Rh2 Rf7 21.Rgh1 Bd7 22.Na6 Rc8 23.Nc5 Rcf8 24.Qd4 Rg7 25.Nd7 Rd7 26.Qa7 Rff7 27.a4 Qe5 28.c3 d4 29.c4 d3 30.Kb1 de2 31.Qf2 Rd2 32.Rc1 Qb2 0–1. Adamkosh (1955) – Mr_4yva4ok, lichess.org, 2020.

5.Qc1 0-0 6.Bg7 Ng7 7.Qb2 e5 8.Qe5 d6 (8...Nc6 9.Qc3 Qg5 10.Nf3=) 9.Qg3 Nc6 10.c3 Nf5 11.Qf4 d5 12.Nf3 d4 (12...Re8 13.d3+/-) 13.e4 (13.b5 Nce7 14.cd4 Nd5+=) 13...de3 (13...Re8 14.b5 Qd5 15.Bd3 dc3 16.bc6 Qd3 17.Nc3 bc6 18.0-0-0=) 14.fe3 Re8 (14...f6 15.b5 Na5 16.Rg1+/-) 15.Bc4 (15.Be2 f6+/-) 15...Be6 16.Be6 Re6 17.0-0 Qe7 18.Na3?? (18.Qg4 Rf8+=) 18...Rd8 (better 18...Re4-+) 19.Nh4 (better 19.h3=) 19...Nh4-/+ (19...Rd2?! 20.e4 Re4 21.Qd2 (21.Nf5 gf5 22.Qd2 Rg4 23.Kf2 Qe4-+) 21...Nh4 22.Kh1=) 20.Qh4 Re5 21.Rf2?? (better 21.Rf6 Rd2 22.Raf1-/+) 21...Rg5-+ (21...Qg5?! 22.Qg5 Rg5 23.Kh1=) 22.Kh1 Ne5 (better 22...Rg1! 23.Kg1 Qh4 24.Nc2-+) 23.Qh3?? (23.Rg2 Nf3 24.Qf4 Rg2 25.Kg2 Nh4 26.Kh1 Rd2-+) 23...Qd6 (23...Ng4!? 24.Raf1 Nf2 25.Rf2 Qe4 26.Qf3 Rd2 27.h3 (27.Qe4?? Rd1 28.Rf1 Rf1) 27...Qf3 28.Rf3 Ra2 29.Nc4-+) 24.Rf4? (better 24.e4 f5 25.Nb5-/+) 24...Qc6 25.e4 Rd2 26.Qh4 (26.Rg1 Rg1 27.Kg1 Nd3-+ (worse 27...Ra2 28.Nb1-+)) 26...Rgg2 (26...Qc3 27.Raf1 Nf3 28.Qh3 Rh2 29.Qh2 Nh2 30.Rd1 Nf1 31.Rd8 Kg7 32.Rf7 Kf7 33.Rd7 Ke6 34.Re7 Ke7 35.Nc4 Qf3) 27.Raf1 (27.Nb1 Rb2 28.Qd8 Kg7-+) 27...Rh2 (better 27...g5 28.Qh3 gf4 29.Qg2 Rg2 30.Kg2 Qe4 31.Kg1 f3 32.Rf2 Qe1 33.Rf1 Qe3 34.Kh1 f2 35.Rf2 Qf2 36.h3 Nf3 37.Nc4 Qf1) 28.Qh2 Rh2 29.Kh2 Nd7 (better 29...Qc3 30.Nb1 Qb4 31.a3 Qb2 32.Kh1-+) 30.R4f2? (30.Rf7 Qc3 31.R1f3 Qe5 32.R3f4 Qh5 33.Kg1 Qd1 34.Kg2 Ne5 35.Rf8 Kg7-+) 30...Kg7 (30...Qc3 31.Rf7 Ne5 32.Rf8 Kg7 33.Nb1 Ng4 34.Kg2 Qc2 35.Kg3 Qh2 36.Kf3 Kf8 37.Kg4 Ke7 38.Kf3 Qa2 39.Rc1-+) 31.Rg2?? (better 31.Rf7 Kg8 32.c4-+) 31...Ne5 (better 31...Qc3 32.Nc2-+) 32.Kh1 (32.Rg3-+) 32...Qe4 33.Nc4 (33.Ra1 h5 34.Rf1 Nf3 35.Rf3 Qf3-+) 33...Ng4 (33...Nc4!? 34.Rff2-+) 34.Ne5 (34.Nd2 Qe3 35.Rf3 Qe1 36.Rg1 Nf2 37.Kg2 Qd2 38.Rf2 Qc3 39.Rgf1-+) 34...Ne3 (34...Qe5!? 35.Rb2 Qc3 36.Re2-+) 35.Rf7 Kh6 (better 35...Kg8 36.Rf3 Ng2 37.Kg2 Qe2 38.Kh3 Qe5-+) 36.Rf6 (36.Rf6 Qg2). opperwezen (2830) - Calanthe (2170), lichess.org, 2018.

5.Qc1 0-0 6.Bg7 Ng7 7.Bg2 d5 8.h4 Be6 9.Bf3 Nc6 10.Qb2 Qd6 11.h5 Qb4 12.Qb4 Nb4 13.Na3 Bf5 14.c3 Nc2 15.Nc2 Bc2 16.hg6 Bg6 17.Nh3 c6 18.Nf4 e5 19.Ng6 fg6 20.e3 Ne6 21.Rg1 Rf3 22.Ke2 e4 23.d3 Rf5 24.Rgb1 b6 25.Rg1 ed3 26.Kd3 Rf2 27.Rg3 Nc5 28.Kd4 Rd2 29.Ke5 Re8 30.Kd6 Ne4 31.Kd7 Ng3 32.Ke8 Nf5 33.Rf1 Re2 34.Kd7 Re3 35.Kc6 Rc3 36.Kd5 Ra3 37.Re1 Ra2 38.Re8 Kf7 39.Rh8 Rh2 40.Ke5 Ne7 41.Kd6 Ng8 42.Kd7 Rd2 43.Kc6 Kg7 0–1. Adamkosh (1935) – Sashashyman, lichess.org, 2019.

5.Qc1 a5 6.b5 (6.Bg7 Ng7 7.b5 e5=) 6...0-0 7.e3 (7.Bg7 Ng7 8.Nf3 d5=) 7...c5 (7...e5!?=+) 8.Be2= Bb2 9.Qb2 Ng7 10.c4 d5 11.cd5 Qd5 12.Nf3 Bg4 13.Nc3 Qf5 (13...Qe6=) 14.e4 (better 14.Qb1!?+=) 14...Qf4-/+ 15.Nd5 (15.Ng1!?-/+) 15...Qe4 16.Ne7?? (better 16.Nc3 Qe6 17.0-0-0-/+) 16...Qe7-+ 17.0-0-0 (17.Qe5 Re8 18.Qe7 Re7 19.Ng1 Be2 20.Ne2-+) 17...Qe2 18.Ne5 Bf5 (18...Nd7 19.Ng4 Qg4 20.Rhg1-+) 19.Rde1 (19.d3 Qh5 20.f4 Nd7-+) 19...Qh5 (19...Qf2 20.h4-+) 20.h4 Nd7 21.Nc4 (21.Nd7 Bd7 22.b6 Rfe8 23.Re8 Re8-+) 21...Rae8 22.Nd6 (22.Re3 Be4 23.Rhe1 Bd5 24.Re8 Re8 25.Re8 Ne8-+) 22...Re1 23.Re1 Qh4 24.Re7 (24.Qc3 Qf2 25.Qe3 Qg2-+) 24...Ne6 (24...Qh1 25.Re1 Qe1) 25.Rd7 (25.Nf5 Qh1 26.Kc2 Qe4 27.d3 Qf5 28.Rd7-+) 25…Qh1 0-1. only1b4 (2625) - ajedrez2021 (2540), Rated Bullet game, lichess.org, 2020.

5.Qc1 a5 6.b5 0-0 (6...e5 7.d4 ed4 8.Nf3=) 7.e3 (7.Bg7 Ng7 8.Nf3 d5=) 7...c5 (7...e5!?=+) 8.Be2= Bb2 9.Qb2 Ng7 10.h4 d5 11.f4 Nd7 12.Nf3 (12.Bf3 Nb6=) 12...f6 (12...Nb6 13.Qc3=) 13.c4 (13.Nc3 Nb6=) 13...d4 (13...Nb6 14.cd5 Nd5 15.Nc3=) 14.ed4+= cd4 (14...Nh5 15.f5+=) 15.Qd4+/- e5? (better 15...fg5 16.hg5 Ne6+/-) 16.Qd5+- Kh8 17.h5?? (17.gf6 Qf6 18.fe5 Qf4+-) 17...gh5? (17...Nh5 18.fe5 Nf4 19.Qd6 fe5 20.Nc3+= (worse 20.Ne5 Qe8 21.d4 Ne5 22.Qe5 Qe5 23.de5 Re8-/+)) 18.Nc3?? (better 18.gf6 Qf6 19.fe5+- (19.Ne5?! Ne6 20.Nd7 Bd7 21.Qh5 Rf7+=)) 18...ef4+= 19.0-0-0 Qe7 20.Rdg1 Nc5 (better 20...fg5!? 21.Ng5 Nf6=) 21.gf6+/- Rf6 22.Rg7 (better 22.Rh5!? Nce6 23.Re5+/-) 22...Kg7= 23.Rg1 (23.Qh5 Bf5 24.Qg5 Kf8 A) 25.Qf4? Qe2 26.Qf5 Rf5 (26...Qf3?! 27.Qc5 Kg8 28.Re1=) 27.Ne2 Rf3-+; B) 25.Nd5=) 23...Rg6-/+ 24.Rh1 (24.Qd4!? Kg8 25.Ne5-/+) 24...Bg4-+ 25.Ne5? (25.Qd4 Kg8 26.Qd5 Ne6-+) 25...Rd8 (better 25...Rg5 26.d4 Be2 27.Ne2 Nd3 28.Kd2 Ne5 29.Nf4-+) 26.Ng6 hg6 (26...Kg6 27.Qg2 Na4 28.Bg4 Qa3 29.Kd1 Nc3 30.Kc2 Qa2 31.Kc3 Qa3 32.Kc2 Qd3 33.Kb2 Qd2 34.Qd2 Rd2 35.Kc3 hg4 36.Kd2+-) 27.Qg2 f3! 28.Bf3 Nd3 29.Kc2 Ne1 (29...Bf5 30.Be4 Be4 31.Qe4 (31.Ne4?? Qa3 32.Rf1 Qa2 33.Kd1 Qb3 34.Ke2 Qc4-+) 31...Qe4 32.Ne4 Nb4 33.Kb2=+) 30.Re1= Qe1 31.Bg4 hg4 32.Qb7 Rd7?? (better 32...Kg8 33.Qg2 g3=) 33.Qg2 1-0. only1b4 (2630) - ajedrez2021 (2540), Rated Bullet game, lichess.org, 2020.

5.Qc1 Bb2 6.Qb2 e6 7.h4 0-0 8.Bg2 d5 9.Bf3 Nc6 10.e3 Qe7 11.a3 e5 12.b5 Na5 13.Bh5 gh5 14.d3 c6 15.Nf3 cb5 16.Qe5 Qe5 17.Ne5 Be6 18.f4 Nc6 19.Nf3 Bg4 20.Kf2 Rfe8 21.Nc3 d4 22.Nd5 de3 23.Kg3 Bf3 24.Kf3 Nd4 25.Kg2 Nc2 26.Rac1 e2 27.Nf6 Kf8 28.Nh7 Kg7 29.Nf6 e1Q 30.Rhe1 Re1 31.Rc2 Rd8 32.Nh5 Kh8 33.Rc3 Rd4 34.Rc8 1–0. Adamkosh (1670) – Lexman661 (1710), lichess.org, 2019.

5.Qc1 e6 6.Bg7 Ng7 7.h4 0-0 8.Qb2 b6 9.Bg2 Nc6 10.b5 Na5 11.Ba8 c6 12.bc6 dc6 13.Nf3 Bd7 14.Qd4 Qa8 15.Qd7 Rd8 16.Qe7 Nh5 17.Nc3 c5 18.Qc7 Nc4 19.d3 Na3 20.Kd2 c4 21.d4 1–0. Adamkosh (1925) – bontslim23 (1795), lichess.org, 2020.

5.c3 a5 6.b5 a4 7.a3 0-0 8.e3 d6 9.Be2 c6 10.bc6 Nc6 11.Bh5 gh5 12.Qh5?? (12.Nf3 Qb6 13.Bc1 Na5-/+) 12...Ne5?? (better 12...Qb6 13.Bc1 Bf5-+) 13.Qe2=+ Be6 14.d3 Bg4 (14...Qb6!? 15.Bc1 Qc6-/+) 15.f3 Be6 (15...Qb6 16.Bc1 (16.fg4? Nd3 17.Qd3 Qb2-+) 16...Qc6 17.Kf2=+) 16.Nd2 (16.f4 Bg4 17.Qc2 Ng6+=) 16...Rc8 17.h3 (better 17.Rb1!?+=) 17...Qb6-/+ 18.Rb1? (better 18.0-0-0!? Nf3 19.Nb1-/+) 18...Ba2-+ 19.d4? (19.Kd1-+) 19...Bb1 20.Nb1 Nc4 0-1. beatmeeasy (1915) - franklinbaca1982 (1885), lichess.org, 2020.

5.c3 b6 6.Bg2 c6 7.Bf3 Bb7 (7...Nf4 8.d4=+) 8.e3 Qc7 9.Bh5 gh5 10.Qh5 a5 11.ba5 Ra5 12.d4 (12.Nf3 Rb5 13.Bc1 h6=) 12...h6 (12...c5!? 13.f3 cd4 14.ed4 h6-/+) 13.h4 hg5 14.Qg4 c5 15.Qg5?? (15.Rh3!?=+) 15...Bh1 (better 15...Bf6 16.Qg3 Qg3 17.fg3 Bh1-+) 16.Qg7-/+ Rf8 17.Ne2 cd4 18.Nd4 Qh2 19.Qg3 Qg3 20.fg3 Nc6 21.Ne2 Ne5 22.Ba3 (22.Nd2 f5-+) 22...Rd5 (22...Nc4!? 23.Kf2-+) 23.Nf4 Nf3 (23...Ra5 24.Bb4 Ra4 25.Nd2-/+) 24.Kf2? (better 24.Ke2 Ng1 25.Ke1=) 24...Rd1-+ 25.Bb2 (25.Ke2 Rg1 26.Bb2 e5-+) 25...Rg8 (25...Ne5 26.c4 Nc4 27.Nc3 Rd2 28.Nfe2-+) 26.Na3 Rd2 (26...Ra1!? 27.Ba1 Nd2 28.c4-+) 27.Ne2-/+ Rb2 (27...Ne5!? 28.Rh1 Rb2-/+) 28.Nc4=+ Rb5 29.Rh1 Ne5 30.Ne5 (30.Nd4 Rc5 31.Nb6 Rc3=) 30...Re5=+ 31.Nd4 Ra5 32.h5 Ra2 33.Kf3 e5 34.Nf5 d5 35.Nd6?? (better 35.e4!? de4 36.Ke4-/+) 35...Ke7 (better 35...Kd7 36.Nf5 e4 37.Kf4 Rf2 38.Ke5 f6 39.Kd5 Rf5 40.Ke4 Rfg5-+) 36.Nf5 Ke6 37.Nh6?? (37.g4 Ra3 38.Rb1-/+) 37…e4 (37...e4 38.Kf4 Rf2) 0-1. beatmeeasy (1995) - Diag (2060), lichess.org, 2021.

5.c3 c6 6.e3 0-0 7.Be2= e5 8.Bh5 gh5 9.h4 d5 10.Qh5 Bf5 11.Na3 Nd7 12.c4 (12.Ne2 e4 13.Nd4 Bg6=+) 12...Bg6 (better 12...Qe7!? 13.Nb1 Qb4-+) 13.Qg4= h5?? (better 13...f5 14.Qh3 Qb6=) 14.gh6!+- Bh6 15.h5 Nf6 (15...Qg5 16.Qd7 Be4 17.Nh3 Qh5 18.Rg1 Kh7 19.cd5+-) 16.Qg2 Nh5 17.Rh5 Qf6 (17...Bg7 18.Be5 Be5 19.Re5 Qd6+-) 18.Rh6 d4 19.Rh3 de3 (19...Rfe8 20.Ne2 a5 21.ba5 de3 22.de3+-) 20.de3 (20.Re3 Qg7+-) 20...Kg7 (20...Rfe8 21.f4 Qd6 22.c5+-) 21.Nf3 Rae8 22.Qg3 Qd6 (22...Qf5 23.0-0-0 Rh8 24.Rh8 Kh8 25.Ne5 Re5 26.e4+-) 23.Be5 (better 23.c5!? Qd5 24.Ne5 Re5 25.Be5 f6+-) 23...Re5 24.Qe5 Qe5 25.Ne5 1-0. beatmeeasy (1865) - ozack (1935), lichess.org, 2020.

5.c3 d5 6.Bg2 0-0 7.d3 c5 (7...Nf4 8.Bf3 Bf5-/+) 8.Nd2? (better 8.bc5 Nf4 9.Bf3=+) 8...cb4 9.cb4?? (better 9.Qb3 Nf4 10.Bf3-+) 9...Bb2 10.Qb3 (10.Rb1 Nf4-+) 10...Bg7 (10...Ba1 11.Qd5 Nf4 12.Qd8 Ng2 13.Kf1 Rd8 14.Kg2-+) 11.a3 (11.Rc1 Nf4 12.Bf1 d4-+) 11...Nc6 (better 11...Ba1 12.Qd5 Nd7-+) 12.Rc1 Be6 (better 12...Nf4 13.Bf1-+) 13.d4 (13.e3 d4 14.Qb1-+) 13...Nd4 14.e3 (14.Qd1 Nb5 15.e3-+) 14…Nb3 (14...Nb3 15.Nb3 Bb2-+) 0-1. EvgeniyR (1610) - Ajvan93 (2120), Hourly HyperBullet Arena, lichess.org, 2019.

5.c3 d6 6.Bg2 c6 (6...Nf4 7.Bf1-/+) 7.b5 a6 8.bc6 Nc6 9.h4 e6 (9...Nf4 10.Bf3=+) 10.e3 d5 11.Ne2 (11.d3 h6 12.Nh3 b5=) 11...Bd7 (11...h6 12.f4=+) 12.Na3 0-0 13.Nc2 f6 14.Ba3 Re8 15.f4 e5 (better 15...Na5=) 16.d4 (16.Bd5!? Be6 17.Bf3+=) 16...ef4 (better 16...e4-/+) 17.ef4?? (better 17.Bd5 Kh8 18.Bf7=) 17...Nf4 (17...Bg4 18.Bf1 Nf4 19.Rh2-+) 18.Bf3 Ne2 19.Be2 Qe7?? (better 19...fg5!? 20.Bc1 gh4 21.Qd2-+) 20.Qd2 (better 20.Be7 Re7 21.Kd2+-) 20...Qe4-+ 21.Rh2 fg5 22.0-0-0 (22.hg5 Bg4 23.0-0-0 Be2-/+) 22...g4 (22...gh4 23.Rf1 Bg4 24.Bd3=) 23.Rg1 (23.Bd3 Qf3-+) 23...Na5 (better 23...Bf5 24.Bf1 h5-+) 24.Rg4?? (better 24.h5-+) 24...Bg4 25.Kb2 (25.Bd3 Qf3 26.Bb4 Bf5-+) 25...Nc4 (better 25...Be2 26.Ka1 Nc4-+) 26.Bc4 dc4 27.Bc5 b5 28.Na3 b4! 29.Nc4 (29.cb4 Rad8 Combination; 29.Bb4 a5 Decoy) 29...bc3 30.Qc3 Rab8 31.Ka3 Bf8 32.Ne5 (32.Rf2-+) 32...Bc5 (32...Re5 33.Rb2 Rc5 34.dc5 Rb2 35.Kb2 Bg7 36.Qg7 Kg7 37.a3 Qd4 38.Kc2 Bd1 39.Kc1 Qd3 40.Kb2 Qb3 41.Ka1 Bc2 42.c6 Qa3) 33.Qc5 (33.dc5 Qe5 34.Qe5 Re5-+) 33...Be6 (33...Qe3 34.Nd3 Qd3 35.Ka4 Bd7 36.Ka5 Rb5 37.Ka6 Ra8 38.Qa7 Bc8) 34.Qc4 (34.Rc2 Rbc8 35.Nc6-+) 34...Qd4 (34...Bc4 35.Rb2 Qe3 36.Ka4 Qc3 37.Nc4 Qc4 38.Ka3 Re3 39.Rb3 Reb3 40.ab3 Qb3) 35.Qe6 (35.Qe6 Re6 36.Nd3 Re5 37.Ne5 Qb4). EvgeniyR (1780) - WerewolvesofLondon (1785), Rated Bullet game, lichess.org, 2020.

5.Bc3 0-0 6.Nf3 b6 7.Bg2 Bb7 8.d4 d6 9.Nbd2 Nf4 10.0-0 e6 11.e4 Ng2 12.Kg2 Nc6 13.e5 de5 14.Re1 ed4 15.Bb2 e5 16.Ne4 Nb4 17.Ba3 c5 18.Nfd2 f5 19.gf6 Rf6 20.Kg1 Rf4 21.Ng3 Qg5 22.f3 Nd5 23.Nde4 Qh4 24.Bc1 Rff8 25.Bg5 Qh3 26.Nf2 Qd7 27.Qd2 Rf3 28.Re4 Nc3 29.Rh4 Qc6 30.Nge4 Rf2 31.Qf2 Ne4 32.Qg2 Ng5 33.Qc6 Bc6 34.Kf2 Rf8 35.Ke2 e4 36.Rg1 Bb5 37.Kd1 Nf3 38.Rh7 White resigned 0–1. Crusader Rabbit (1785) – cr50 (1835), ChessWorld.net, 2018.

5.Nc3 0-0 6.e3 e5 7.Be2 Qg5 8.Nd5 Na6 9.h4 (9.Nf3 Qg4 10.b5+/- (10.Be5? Be5 11.Ba6 ba6 12.Ne5 Qe4-+)) 9...Qf5?? (better 9...Qd8 10.b5 Nc5=+) 10.Ne7+- Kh8 11.Nf5 gf5 12.Bh5 (12.Ba6 Nf6 13.Qf3 d5+-) 12...d5 (12...Nb4 13.f4 ef4 14.Bg7 Kg7 15.Nh3 fe3 16.de3+-) 13.f4 f6 14.Nf3 Nb4 15.fe5 fe5 16.Be5 Be5 17.Ne5 f4 (17...c5 18.Qb1 f4 19.Qb2+-) 18.Rg1 (18.Rb1 Na2 19.Nf7 Rf7 20.Bf7 Kg7 21.Bd5 c6 22.Rb7 Kg6 23.Rg1 Kf6 24.Qa1 Nc3 25.Qc3 Kf5 26.e4) 18...fe3 (18...Bf5 19.e4! f3 20.Qf3 Nc2 21.Kd1+-) 19.Nf7 (better 19.de3 c5 20.a3 Be6 21.ab4 Rf5+-) 19...Rf7 20.Bf7 Bf5 21.d3 (better 21.Rc1!? Bg6 22.Qg4 Nc6+-) 21...Rf8 22.Qh5 Nc2 23.Kd1 Nd4 24.Qg5 (24.Qg5 e2 25.Kc1 e1Q 26.Re1 Ne6 27.Re6 h5 28.Qf6 Kh7 29.Qh6) 1-0. ajedrez2021 (2715) - JohnMcClane00 (2645), Rated Bullet game, lichess.org, 2022.

5.Nc3 0-0 6.Nf3 d5=+.

5.Nc3 0-0 6.Bg2 e6 (6...Nf4 7.Bf3=+) 7.e3 (7.Nh3!?=) 7...Qg5-/+ 8.Qf3 (8.Bf3 Nf6-/+) 8...c6 (8...d5 9.Rb1-/+) 9.Ne4 Qe7 10.Bg7 Ng7 (10...Kg7 11.a3-/+) 11.a3 (11.Qf4 d5 12.Nf6 Kh8=+) 11...d5 (11...f5 12.Nc3-/+) 12.Nc5 (12.Nf6 Kh8 13.e4 e5-/+) 12...b6 (12...a5 13.Nd3-/+) 13.Nb3 Bb7 (13...e5 14.d3-/+) 14.d4 (14.Ne2 e5-/+) 14...Nd7 15.Ne2 Nf5 (15...e5 16.Rg1-/+) 16.0-0 Rac8 17.Rac1 c5 18.bc5 bc5 19.c3 cd4 20.Ned4 Nd4 21.cd4-/+ Nb6 22.Nc5 Nc4?? 23.Rc4!+/- dc4 24.Nb7?? c3 25.Nc5+/- Qc7 26.Rc1 Qa5 27.a4 Qb4 28.Qe2 Rc5 29.dc5 Qc5 30.Qd3 Rc8 31.f4 a5 32.Kf2 Qa3 33.Rc2 Qb4 34.Bb7?? Qb7-+ 0–1. coloplayah (1960) – bobbs (2260), net–chess.com, 2005.

5.Nc3 Nc6 6.b5 Na5 7.a4 Nc4 8.Bc1 b6 9.d3 Bb7 10.dc4 Bc3 11.Bd2 Ba1 12.Qa1 f6 13.f3 e5 14.gf6 Qf6 15.Nh3 e4 16.Qf6 Nf6 17.fe4 Be4 18.Rg1 Bc2 19.Bg5 Rf8 20.Bg2 Be4 21.Bf6 Bg2 22.Rg2 Rf6 23.Ng5 h6 24.Ne4 Re6 25.Nc3 0-0-0 26.Nd5 g5 27.Rg3 c6 28.bc6 dc6 29.Nb4 c5 30.Nd5 Ree8 31.Rh3 Rh8 32.Rh5 Kd7 33.h4 gh4 34.Rh4 Rdg8 35.Kd2 Rg5 36.e3 h5 37.Kd3 Rg4 38.Nf6 Ke6 39.Ng4 Kf5 40.Nf2 Kg5 41.Rh1 h4 42.Ke4 Rf8 43.Nh3 Kg4 44.Nf4 h3 45.Nh3 Rh8 46.Nf2 Kg5 47.Rh8 Kf6 48.Ra8 1–0. hancco – lyubaca, lichess.org, 2019.

5.Nc3 e6 6.e3 Qg5 7.Nf3 Qe7 8.Nb5 d6 9.Nc3 a5 10.ba5 Ra5 11.Be2 0-0 12.Nd4 Bd4 13.ed4 Nf6 14.Bf3 d5 15.Qe2 c6 16.0-0-0 b5 17.Nb1 Ra2 18.Qd3 Qb4 19.Ba3 Ra3 20.Na3 Nbd7 21.Qc3 Qc3 22.dc3 Nb6 23.Rd3 Nc4 24.Nc4 bc4 25.Re3 Bd7 26.h4 Ra8 27.Ree1 Ra3 28.Kd2 h5 29.Rhg1 Kg7 30.Re5 Be8 31.Bh5 Nh5 32.Rh5 Kf6 33.Rhg5 Bd7 34.h5 gh5 35.Rh5 1–0. adabriwala – Balinarjazbec, lichess.org, 2018.

5.Nc3 h6 6.gh6 Rh6 7.e3=+.

5.d4 0-0 6.Nf3 d5 7.h3 Nc6 8.a3 a6 9.e3 Re8 10.Be2 f6 11.c4 Be6 12.Nc3 Rf8 13.Qb3 dc4 14.Qa2 b5 15.0-0-0 Bf7 16.d5 Nb8 17.Nd4 fg5 18.Bf3 Nf6 19.d6 Ra7 20.Bc6 cd6 21.Qb1 e5 22.Bg2 ed4 23.ed4 d5 24.Qc2 Re7 25.Kb1 Nc6 26.Na2 Rfe8 27.Nc3 Nh5 28.Qd2 Nf4 29.Bf1 Be6 30.h4 Bf5 31.Ka2 Nd4 32.hg5 Nd3 33.f4 Nb3 34.Qh2 Bh8 35.Bd3 Bd3 36.Rd3 cd3 37.Qh6 d4 38.Ne4 Qd5 39.Nf6 Bf6 40.gf6 Nc1 41.Kb1 Qa2 42.Kc1 Rc7 43.Kd2 Qb2 44.Kd3 Qc3 White king mated 0–1. Crusader Rabbit (1790) – leighcastle (1865), ChessWorld.net, 2018.

5.d4 a5 6.a3 ab4 7.ab4 Ra1 8.Ba1 b6 9.e3 c5 10.Be2 (10.bc5 bc5 11.Nf3 Bb7=) 10...Bb7=+ 11.Nf3 cb4 12.Rg1 h6 13.Nbd2 hg5 14.Ng5 Qc7 15.f4 (15.Ndf3=+) 15...Nc6 (better 15...Nf6!?-/+) 16.Bh5= Rh5 17.d5 Nd4 Attacks the backward pawn on c2 18.Bd4 Bd4 19.ed4 Qf4 20.Qf3 Qd4? (better 20...Qh4 21.Qg3 Qg3 22.Rg3 Rh2+=) 21.Qf7+- Kd8 22.Ngf3 (22.Ndf3!? Qc3 23.Kd1 Qa1 24.Ke2 Rh2 25.Nh2 Qg1=) 22...Re5 d5 draws heavy fire (better 22...Qe3!? 23.Kd1 Rf5 24.Qg8 Kc7=) 23.Kf1+/- (23.Ne5 Qe5 24.Kf1 Ba6 25.Kg2 Qg5 26.Kh1 Qd2=) 23...Rf5 24.Qf5! Qg1 (24...gf5 25.Rg8 Double attack) 25.Kg1 gf5 26.Nd4 Bd5 27.Nf5 Be6 28.Nd4 Bf7 (28...Bg8 29.h4+-) 29.Kf2 (29.N2f3 Bg6+-) 29...Bg6 (29...e5 30.Nf5+/-) 30.Ke3 (30.Nc4 Kc7+-) 30...e5 31.N4f3 d6 32.Nc4 Kc7 33.Kd2 b5 34.Ne3 Kc6 35.h4 Kc5 36.Nf1 (36.Ng5 d5+-) 36...Bh5 (36...b3 37.cb3 Kb4 38.Ne3+=) 37.N3h2 (37.Ne1 b3 38.cb3 Kb4+-) 37...d5 (better 37...Bf7!?+/-) 38.Ng3+- Bg6 39.h5 (better 39.Ng4 b3 40.cb3 Kd6+-) 39...Bh7? (better 39...Bh5 40.Nh5 Kc4+/-) 40.Ng4+- b3 41.cb3 Kd6 42.Nf6 Bb1 43.h6 Kc5 (43...Ke6 44.h7 Bh7 45.Nh7 b4+-) 44.Nge4! de4 (44...Be4 45.Ne4 Combination; 44...de4 45.Ke3 Decoy) 45.Ke3 Kb4 46.h7 Kb3 47.h8Q Bd3 48.Qh2 b4 49.Nd5 Kc4 50.Kd2 (better 50.Qe5 Kc5 51.Qd4 Kd6 52.Nb4 Ke6 53.Qb6 Kf5 54.Nd5 Bf1 55.Qf6 Kg4 56.Qg6 Kh3 57.Kf2 e3 58.Ne3 Kh2 59.Nf1 Kh3 60.Qg3) 50...Kd5 51.Kc1 (51.Qf2 Kc4+-) 51...b3 52.Qb2 Bc2 53.Kd2 Ke6 54.Ke3 Kd5 55.Qc3 Ke6 56.Qc6 Kf5 57.Qb7 (57.Qd6 Bd3 58.Qf8 Kg4 59.Qc8 Kg5 60.Qg8 Kf5 61.Qb3 Kf6+-) 57...Kg5 (57...Ke6 58.Qb6 Kd7 59.Qa6+-) 58.Qe7 Kf5 59.Qf7 Kg5 60.Qf2 (better 60.Qe6 Kh5 61.Qe5 Kg6+-) 60...Kg6 61.Kd2 Kg5 62.Kc3 (62.Qf7 Kg4+-) 62...Kg4 (62...Kg6 63.Qg3 Kf5 64.Qh3 Kf6 65.Qh5+-) 63.Kb4 (63.Qf6 Kh5 64.Qe5 Kg6+-) 63...Kg5 64.Kc5 Bd1 (64...Kg4 65.Kd5 e3 66.Qe3+-) 65.Qe3 (better 65.Qd2 e3 66.Qd1 b2+-) 65...Kf5 66.Qf2 (66.Kd6 b2 67.Qf2 Bf3 68.Qb2 Kf4+-) 66...Bf3?? (66...Kg5 67.Qd2 e3 68.Qd1 b2+-) 67.Kd5 Kf4 68.Qd2 (better 68.Qh2 Ke3 69.Qe5+-) 68…e3 (68...e3 69.Kc5 ed2 70.Kc4 d1Q 71.Kc3 Qc2 72.Kb4 b2 73.Ka3 Qc3 74.Ka2 Bd5 75.Kb1 Qc1) 0-1. TheDominant177 (2370) - zsolti_83 (2490), Rated Blitz game, lichess.org, 2020.

5.d4 d5 6.Bg2 Nf4 7.Bf3 Ne6 8.h4 b6 9.e3 0-0 10.Nc3 c6 11.Qd3 Na6 12.a3 Nac7 13.Nge2 Ne8 14.0-0-0 Nd6 15.Rdg1 Nc4 16.h5 Nb2 17.Kb2 Nc7 18.Bg4 a5 19.f4? (better is 19.b5=) 19...ab4-/+ 20.ab4 c5 21.bc5 bc5 22.dc5?? (22.Bc8 cd4 23.Nd4 Rc8 24.Kc1=+) 22...Bg4 23.Rg4 Qb8 24.Kc1 Ra1 25.Kd2 Rh1 26.hg6 hg6 27.f5 Bc3 28.Nc3 Rh2 29.Ne2 Qb5 30.fg6 Qd3 31.Kd3 fg6 32.Nf4 Kg7 33.c3 e5 34.Ng2 Ne6 (34...Ne6 35.c4 Nc5 36.Kc3 Ne4 37.Kb3 Rb8 38.Kc2 Nf2-+) 0–1. katchum (2410) – yetzaline (2210), net–chess.com, 2011.

5.e3?? Bb2 6.Nc3 Ba1 7.Qa1 f6 8.Be2 Ng7 9.Nd5 Ne6 (better is 9...0-0 10.gf6 ef6 11.Nf3-+) 10.Nf3 (10.gf6 ef6 11.Nf6 Kf7-+) 10...Rf8 0–1. croach (2360) – vpccosta (2215), net–chess.com, 2015.

5.e3?? Bb2 6.Nc3 Ba1 7.Qa1 h6 -+.

5.c3 0-0

6.e3 b6 7.Bg2 Nc6? (better 7...d5=) 8.b5+- Bb7 9.bc6 Bc6 10.Bc6 dc6 11.Qf3 Qd6 12.Ba3 Qd7 13.Qe4 Rfe8 14.Ne2 Rad8 15.h4 c5 16.Bb2 Qb5 17.Qc2 Qc4 18.Na3 Qg4 19.0-0-0?? (better 19.d3+-) 19…Qe2-/+ 0-1. beatmeeasy (1880) - aqeeele (1885), lichess.org, 2020.

6.e3 c6 7.Be2 e5 8.Bh5 gh5 9.Qh5 d5 10.h4 Bf5 11.Ne2 Bc8 (11...a5 12.a3=) 12.Rg1 Bf5 13.Ng3 Bg6 14.Qg4 Qd7 15.Qd7 Nd7 16.h5 Bd3 17.a4 e4 18.Nf5 Ne5 19.Rg3 Nc4 20.Bc1 a6 21.Na3 b5 (better 21...Rfd8!?+=) 22.Nc4 (22.Ng7?! Kg7 23.Nc4 dc4=) 22...dc4 23.Ne7 Kh8 24.Nc6 Rfc8 25.Ne7 Rc7 26.Nf5 Be5 27.Rg2 f6? (27...Rcc8!? 28.Nd4+-) 28.g6 (better 28.ab5!? fg5 29.Rg5 Rca7 30.ba6 Ra6 31.Ra6 Ra6+-) 28...hg6 29.Rg6 (better 29.hg6!? Rg8 30.Rg1+-) 29...Rg8+/- 30.ab5 Rg6?? (better 30...ab5 31.Nh4 Kh7+/-) 31.hg6+- ab5 (31...Rc8+-) 32.Ra8 (32.Ra8 Rc8 33.Rc8) 1-0. beatmeeasy (1885) - Yussefdabian (1945), lichess.org, 2020.

6.e3 d5 7.Be2 e5 8.Bh5 gh5 9.Qh5 Bf5 10.h4 d4 11.Qf3 Qd7 12.e4 Bg4 13.Qg3 b6 (13...dc3 14.Bc3 Nc6 15.h5+=) 14.f3 (14.Nf3 a5+/-) 14...Be6+= 15.cd4 ed4 16.d3 (16.h5 Nc6 17.h6 Bh8=+) 16...c5 (better 16...Qb5!? 17.a3 Nc6-/+) 17.bc5= bc5 18.Ba3 Nc6 (better 18...Qb5!? 19.f4 Re8=) 19.Bc5+/- Rfc8 20.Nd2 (better 20.f4!?+/-) 20...Ne5= 21.f4 Nd3? (better 21...Rc5 22.fe5 Be5=+) 22.Qd3+- Rc5 23.Ne2 (better 23.f5!? Bf5 24.ef5 Re8 25.Kf2+/-) 23...Rac8+= 24.f5 Rc2?? (better 24...Ba2 25.Rg1 Ra5+=) 25.fe6+- Qe6 26.Nb3 (better 26.a3!? Qb6+-) 26...Qg4 (better 26...R8c3 27.Nc3 Rc3 28.Nd4 Rd3 29.Ne6 Ba1+/-) 27.Nbd4?? (27.e5 Be5 28.Rc1 (28.Ned4 Bg3 29.Kf1 Rf2 30.Ke1 Rh2 31.Qg3 Qg3 32.Kd1 Qd3 33.Ke1 Re8 34.Ne6 Re6) 28...Bg3 29.Kd1=+ (29.Ng3?? Re8 30.Qe2 Rce2 31.Kf1 Qf3 32.Kg1 Qg2)) 27...Bd4=+ 28.Nd4 Rc1 29.Kf2?? (29.Rc1 Rc1 30.Kd2 Rh1=+) 29...Qf4?? (better 29...R8c3 30.Qc3 Rc3-+) 30.Ke2= R1c3 31.Qd2 Qg4?? (31...Qe4 32.Kf2 Rd3 33.Qd3 Qd3 34.Rad1-+) 32.Ke1?? (32.Kf2 Qg3 33.Kf1 R8c4+=) 32...Qg3 (better 32...Qe4 33.Kf2 Rd3 34.Qd3 Qd3-+) 33.Kf1+/- Rf3?? (better 33...R8c4 34.Rh2 Rd3+/-) 34.Nf3+- Qf3 35.Kg1 Qg3 36.Qg2 Qe3 37.Kh2 (37.Qf2 Qe4 38.Re1+- (38.Qa7 Qg4 39.Kf1 Qf3 40.Qf2 Qh1 41.Qg1 Qh4-/+)) 37...Qf4+= 38.Kg1 Rd8?? (38...Qe3 39.Qf2 Qe4+-) 39.Rh3 (39.Rf1 Qe5+-) 39…Rd2 (39...Rd2 40.Qf3 Qd6+-). beatmeeasy (1980) - hanithegreat (2040), lichess.org, 2021.

6.e3 f6 7.Be2 fg5 8.Bh5 gh5 9.Qh5 e6 10.h4 Qf6 11.Rh2 (11.Qh7 Kh7 12.hg5 Kg6 13.gf6 Bf6+/-) 11...Qg6 (better 11...gh4!? 12.f4 e5 13.Rh4 Qf5=) 12.Qg6+/- hg6 13.hg5 Nc6 14.Ne2?? (14.d4 Rf5 15.Nh3 d5+/-) 14...d6?? (14...Nb4 15.Kd1 Nd3 16.Kc2 Rf2 17.Rf2 Nf2 18.Na3-/+) 15.a3?? (15.d4 Kf7+/-) 15...e5?? (better 15...Ne5!? 16.Kf1 Nd3-/+) 16.c4 (16.e4 Nd8+/-) 16...Ne7 (better 16...e4!? 17.Bg7 Kg7=) 17.d4+/- ed4 18.Bd4 (worse 18.Nd4 c5 19.bc5 dc5-/+) 18...Nf5 19.Bg7 Kg7 20.e4 Ne7 21.Nbc3 Be6 22.c5 Rae8? (22...Rh8 23.Rh8 Rh8 24.Rd1+-) 23.0-0-0 (better 23.Nb5!? Nc8 24.Nc7 Re7 25.Ne6 Re6+-) 23...dc5 24.bc5 Nc6 25.Nb5 (25.Rdh1 Bg8 26.f4 Na5+-) 25...Re7+/- 26.Nbd4 Nd4 27.Rd4 Bg4 (27...Rf3 28.Ra4 Bd7 29.Ra7 Re4 30.Kd2=) 28.Nc3 c6 29.Rh4 (better 29.e5 Bf3 30.e6+/-) 29...Bh5? (better 29...Rf3+/-) 30.f4+- Rff7 31.Kb2 Rd7 (31...Bf3 32.Rd3 Bh5 33.Kb3+-) 32.Rd6 Rd6 33.cd6 Rd7 34.e5 Kf7 (34...Bf3+-) 35.f5! Rd8 (35...gf5 36.Rh5 Deflection) 36.e6 Kg7 37.e7 (37.f6 Kh8 38.e7 Ra8 39.d7 c5 40.e8Q Re8 41.de8Q Kh7 42.Qd7 Kg8 43.Qg7) 37...Rd6+- 38.e8Q Rd5 39.Nd5 (39.f6 Kh7 40.Qe7 Kg8 41.Qg7) 39...cd5 40.Rh5 (40.f6 Kh7 41.Qe7 Kg8 42.Qg7) 40...gh5 41.f6 Kh7 42.Qh5 (42.Qf7 Kh8 43.Qg7) 42...Kg8 43.f7 (43.Qe8 Kh7 44.Qf7 Kh8 45.Qg7) 43...Kg7 44.g6 Kf8 (44...a6 45.Qf5 Kf8 46.g7 Kg7 47.f8Q) 45.Qh8 (45.Qe5 d4 46.Qd6 Kg7 47.f8Q) 45...Ke7 46.f8Q (46.f8Q Ke6 47.Qhf6 Kd7 48.Q6d6) 1-0. beatmeeasy (2030) - HighlanderO (2025), lichess.org, 2020.

6.Bg2 c6 7.Bf3 Nf4 8.d4 d5 9.e3 Ne6 10.h4 a5 11.Ne2 ab4 12.cb4 Nd7 13.Rg1 Nc7 14.a4 e5 15.Bg2 e4 16.f3 ef3 17.Bf3 Nb6 18.Nd2 Qe7 19.a5 Nc4 (19...Qb4 20.Bc3 Qb5 21.Rb1+-) 20.Nc4 dc4 (20...Qb4 21.Qd2 Qc4 22.Nf4-/+) 21.Kf2 (21.Qd2=+) 21...Qb4 (better 21...Na6!?-/+) 22.Ba3+= Qb5 23.Bf8 Bf8 24.Nc3 (24.Qa4 Qf5+/-) 24...Qf5 (24...Qb2 25.Ne2 Qb5 26.Qa4+=) 25.Qa4 (25.Qb1 Ra5 26.Qf5 Rf5+/- (26...gf5?? 27.Ra5 Bb4 28.Ra4 Bc3 29.Rc4+-)) 25...Qh3 (better 25...b5!? 26.Qd1 Bb4=) 26.h5+/- Bd6 (26...b5 27.Qc2+=) 27.hg6 (27.Qc4 Be6 28.Qd3 Bf5+/-) 27...hg6 (27...fg6 28.Ne4 (worse 28.Qc4 Be6 29.Qd3 Rf8=+) 28...b5 29.Nf6 Kg7 30.Qc2+=) 28.Ne4 Qh4 (28...b5 29.Qd1 Nd5 30.Rh1+/-) 29.Ke2+- Bh2 30.Nf6 Kg7 31.Qc4?? (better 31.Rg2 Nb5 32.Qc4+-) 31...Be6 32.Qc3 Bg1 33.Rg1 Rh8?? (better 33...Nb5 34.Qb4 Nd6=) 34.Rh1 (better 34.d5 Kf8 35.de6 Ne6 36.Rh1 Qh1 37.Bh1 Rh2 38.Kd3 Rh1 39.Qb4 Kg7 40.Qb2 Rd1 41.Ke2+-) 34...Qg5 35.Rh8 Kh8 36.Ne4?? (better 36.d5 Nb5 37.Qa1+-) 36...Qb5= 37.Kf2 Nd5 38.Qa1 (38.Qa3!? Kg8 39.Nd6=) 38...Kg7=+ 39.Be2 (39.Qa3 f5 40.Nc5 Kf7=+) 39...Qb3-/+ Attacking the backward pawn on e3 40.Qc1 Bf5 (40...Qb4 41.Qd2 Qe7 42.Bf3-/+) 41.Nd6=+ Bc2 (better 41...Qb4!? 42.Nf5 gf5 43.Qg1 Kf8=) 42.Bc4+= Qc3 43.Bd5 cd5 44.Nb5?? (better 44.Nb7!? Qc7 45.Nc5+=) 44...Qc8?? (44...Qa5!? 45.Nd6 Qd8 46.Nb7 Qh4 47.Ke2 Qh2 48.Ke1-+) 45.Qa3? (better 45.Nd6!? Qh3 46.Nb7 Qh2 47.Ke1=+) 45...Qf5-+ 46.Ke2 Qg4 47.Kd2 Qd1 48.Kc3 Qd3 49.Kb2 Qb5 (49...Qe2!? 50.Nc3 Qf2 51.Qb4 Bd3 52.Ka3 Qe3 53.Nd5 Qc1 54.Qb2-+) 50.Kc2-/+ Qe2 51.Kc3?? (better 51.Kb1-/+) 51...Qe3-+ 52.Kb4 Qa3 53.Ka3 g5 54.Kb4 g4 55.Kc3 (55.Kc5 g3 56.Kb6 g2 57.Kb7 g1Q-+) 55...g3 56.Kd2 g2 57.Ke2 g1Q 58.Kd2 Qd4 59.Kc2 Qa4 (59...Qa4 60.Kd2 Qa5 61.Kd3 b5-+) 0-1. beatmeeasy (1985) - ARMAGEDON1007 (1985), lichess.org, 2021.

5.c3 e5

6.h4 0-0 7.e3 d5 8.Be2 b6 9.Bh5 gh5 10.Qh5 Bb7 11.Rh2 a5 12.b5 a4 13.Ba3 (13.Ne2 e4 14.Nd4 Nd7=+) 13...Re8-/+ 14.d3 (14.Ne2 Qd7-/+) 14...Qd7 15.Nd2 (15.Qe2!?-/+) 15...Qb5-+ 16.Ke2? (better 16.c4 Qd7 17.Ne2 dc4 18.Ne4 cd3 19.Nf6 Bf6 20.gf6-+) 16...e4 17.Rc1 Qd3 18.Kd1 Bc3 19.Rc2 (19.Qe2 Qe2 20.Ne2-+) 19...Bd2 20.Rd2 (20.Qe2 Qa3 21.Qd2 Qd6-+) 20...Qb1 (better 20...Qa3 21.Ne2 Nc6 22.Nf4-+) 21.Bc1 Ra5 22.f4 (22.Rc2 Nc6 23.Ne2 Rc5 24.Rc5 bc5-+) 22...ef3! 23.Nf3 (23.Nf3 Re3 Discovered attack; 23.Qf3 Nc6 Combination) 23...Re3 (better 23...Nc6 24.Rc2 Re3-+) 24.Nd4?? (better 24.Rhe2 Rc5 25.Re3 Rc1 26.Ke2-+) 24...Rc5-+ 25.Nc2 (25.Rc2 Rd3 26.Rhd2 Rd2 27.Kd2 Qb4 28.Ke3-+) 25...Rc2! 26.Rc2 (26.Rc2 Rg3 Decoy) 26...d4 27.Rhf2 Bd5?? (better 27...Rd3 28.Rcd2 Qa2 29.Rd3 Qf2-+) 28.Rfd2?? (better 28.g6 Rd3 29.Ke1 Re3 30.Kd1 Rd3 31.Ke1 Re3 32.Kd1=) 28...Bf3-+ 29.Qf3 Rf3 30.Ke2 Rh3 31.Rb2 Qe4 32.Kd1 (32.Kf2 Qf3 33.Kg1 Rh1) 32…Rh1 0-1. beatmeeasy (1905) - sigmaoctantis (1870), lichess.org, 2020.

6.h4 d5 7.Bg2 c6 8.e3 e4 9.d3 ed3 10.Qd3 Bf5 11.Qe2 0-0 12.Bf3 (12.Qd2 Nd7-/+) 12...Re8 (better 12...Nf4! 13.Qd2 Nd3 14.Kd1 f6-+) 13.Bh5=+ gh5 14.Qh5 d4 (14...Nd7!?=+) 15.cd4= Bd4 (15...Na6 16.a3 Qd5 17.Rh2 Bd4 18.Qe2-+) 16.Nc3+= (16.Bd4?? Qd4 17.Qf3 Bg4-+ (17...Qa1?! 18.Qf5 Qa2 19.h5-+)) 16...Bc3 (16...Bg7 17.Nge2 Qe7=) 17.Bc3+/- Qd5?? (better 17...Qd3 18.Ne2 Nd7+/-) 18.Qh6+- f6 (18...Re5 19.Rd1 Bd3 20.Be5 Qe5 21.Rd3 Na6+-) 19.Bf6 (better 19.Qf6 Re7 20.Qe7+-) 19...Qf7 20.Rh2 (20.h5!? Be4 21.Rh4 Qf8 22.Qf8 Kf8+-) 20...Na6 21.a3 Re6 (21...c5 22.h5+-) 22.Nf3 Rae8? (22...Be4 23.Ne5 Qc7+-) 23.Nd4 Re3 (23...Be4 24.Ne6 Re6+-) 24.fe3 Re3 25.Kf2 Rc3 (25...Re4 26.Nf5 Rf4 27.Kg1 Rf5+-) 26.Nf5 Rc2 27.Kg3 (27.Kg1 Nc5 28.Ne7 Qe7 29.Be7 Rg2 30.Rg2 Kf7 31.Qf6 Ke8 32.Bc5 Kd7 33.Rd1 Ke8 34.Re2) 27...Qb3 28.Kg4 Rc4 29.Nd4 Rd4 30.Bd4 Qf7 31.Rf1! Qd7 (31...Qf1 32.Qg7 Mate attack) 32.Rf5 (32.Kg3 Qe7 33.Rhf2 Qc7 34.Kg2 Qh2 35.Kh2 Nb4 36.Qe6) 32...Qd4+- 33.Rf4 Qd1 34.Kg3 Qd3 35.Rf3 Qd8 (35...Qf3 36.Kf3 Nc7 37.g6 hg6 38.Qg6 Kf8 39.Qf6 Ke8 40.Re2 Ne6 41.Re6 Kd7 42.Re7 Kc8 43.Qf8) 36.g6 (36.Rhf2 Qc7 37.Kg2 Qh2 38.Kh2 Nb4 39.Qf8) 36...Qd6+- 37.Kg2 hg6 38.Rh1 Nc7 39.Rhf1 Ne6 (39...Qd2 40.Qd2 g5 41.Rf8 Kh7 42.R1f7 Kh6 43.Qg5) 40.Qg6 Kh8 41.Rf7 (41.Qe8 Kh7 42.Rf7 Ng7 43.Rg7 Kg7 44.Rf7 Kh6 45.Qh8 Kg6 46.Qh7) 41...Nf4+- 42.R1f4 Qg6 43.Kf3 Kg8 44.Rf8 (44.Rd7 Qb1 45.Kg4 Qg6 46.Kh3 Qe6 47.Rg4 Kh8 48.Rd8 Kh7+/-) 44...Kg7+/- 45.R4f7 (better 45.R8f5!? Qe6 46.h5+/-) 45...Qf7= 46.Rf7 Kf7 47.Kg4 Kg6 48.h5 Kh6 (48...Kf6 49.Kf4 b6 50.a4+-) 49.a4 (better 49.Kf5!? a5 50.ba5 Kh5 51.Ke5+-) 49...b6= 50.Kh4 c5 51.bc5 bc5 52.Kg4 c4 53.Kf4 Kh5 54.Ke3 c3 55.Kd3 c2 56.Kc2 Kg6 57.Kb3 Kf7 58.Kb4 Ke7 59.Kb5 Kd7 60.Ka6 Kc8 61.Ka7 Kc7 62.a5 Kc8 63.a6 Kc7 64.Ka8 Kc8 65.a7 Kc7 ½-½. beatmeeasy (1890) - SilvaOmar10 (1940), lichess.org, 2021.

5.c3 e6

6.h4 0-0 7.e3 d5 8.Be2 a5 9.Bh5 gh5 10.ba5 (10.b5 e5-/+) 10...Ra5 (10...e5 11.Qh5 Nc6 12.a4-/+) 11.Qh5 (11.Ne2!?=+) 11...Nc6-/+ 12.a4 Ne5 13.Qe2 b6 14.Ba3?? (better 14.c4-/+) 14...Ba6-+ 15.Qh5 (15.Bf8 Kf8 (15...Be2?! 16.Bg7 Kg7 17.Ne2-+; 15...Qf8?! 16.d3-+; 15...Bf8?! 16.d3 Nd3 17.Kd2-+) 16.Qh5 Nd3 17.Kd1 d4-+) 15...c5 (15...Nd3!? 16.Kd1 Nf2 17.Kc1-+) 16.Ne2 Nd3 (better 16...Ra4!? 17.Rh2 Qd6 18.f4 Nd3 19.Kf1-+) 17.Kf1 Ra4 18.Kg2 Ne5 (better 18...Qc7-+) 19.d4 Ng6 (19...Nc4 20.Ng3-+) 20.Bb2 (20.Ng3!?=+) 20...Ra1-/+ 21.Ba1 cd4 (21...Qe8 22.Nd2-/+) 22.Nd4 (22.cd4 b5-/+) 22...Qc7 (22...Qd7!? 23.Nd2-+) 23.Nd2 Bd3 24.Qd1 e5 25.h5? (better 25.Nc2-/+) 25...ed4-+ 26.hg6 fg6 (better 26...dc3 27.gh7 Bh7-+) 27.ed4?? (better 27.cd4 Qe7 28.Rh4-+) 27...Qf4 28.Nf3 (28.Rh2 Qg5 29.Kh1-+) 28...Be4 (28...Qg4 29.Kh2 Rf3 30.Qf3 Qf3 31.Rg1 Be4 32.c4 Qf2 33.Kh3 Qg1 34.cd5 Qf2 35.Bc3 Bf5) 29.Rh3 Qg5 30.Rg3 Bf3 (better 30...Qh5 31.Rh3 Qf5-+) 31.Qf3-/+ Qc1 (31...Qd8!? 32.Qe2 Bf6-/+) 32.Qd5 Kh8 33.Qa2 Qe1 Attacks the pawn on f2 34.c4 (34.Re3 Qd1-/+) 34...Qe4-/+ 35.f3? (better 35.Kg1!?-/+) 35...Qe1 (35...Ra8 36.fe4 Ra2 37.Kh3 Ra1 38.e5-+) 36.Rg4 (36.Kh2 Qf1 37.Rg2 Qf3-+) 36...Qd1 (36...Re8 37.Re4 Re4 38.fe4 Qe4 39.Kh2 Qf4 40.Kg2 Bd4 41.Bd4 Qd4 42.Qa8 Kg7 43.Qb7 Kh6 44.Qc7-+) 37.Qa3 (better 37.Kh2-+) 37...Qe2 38.Kg3 Qe1 (38...Qf1 39.Re4-+) 39.Kg2 (39.Kh2 Qf2 40.Rg2 Qh4 41.Kg1 Qe1 (41...Bd4?! 42.Bd4 Qd4 43.Rf2-+) 42.Kh2 Rf5 43.Qa8 Bf8-+) 39...Re8 40.Re4 Qd2 (better 40...Re4 41.fe4 Qe4 42.Qf3 Qc2 43.Kg1 Qc4 44.Qa8 Qg8-+) 41.Kg3 Rf8 42.Bc3 (42.d5 Qg5 43.Rg4 Qf5+=) 42...Qg5 (better 42...Qd3!? 43.Rf4 Rf4 44.Kf4 h5-+) 43.Kf2= Qh5 44.Rg4 (44.Bb4 Qh2 45.Kf1 Qh3 46.Kf2 Qh2 47.Kf1 Qh3 48.Kf2 Qh2=) 44...Qg4?? (better 44...Qh2 45.Rg2 Qh4 46.Rg3 Bd4 47.Kg2 Kg8 48.Bd4 Qd4-/+) 45.d5?? (better 45.Qf8! Bf8 46.fg4+=) 45...Qf3 46.Ke1 Bc3 (46...Bc3 47.Qc3 Qc3 48.Ke2 Qd4 49.d6 Rf2 50.Ke1 Qd2; 46...Qf1 47.Kd2 Rf2 48.Ke3 Qe2) 0-1. beatmeeasy (1905) - San_Pedro (1970), lichess.org, 2020.

6.h4 b6 7.Bg2 c6 8.Bf3 Nf4 9.Qc2 (better 9.d4=) 9...Nd5?? (9...e5 10.e3 Ne6 11.d4=+) 10.a3?? (better 10.c4 Nb4 11.Qb3 Nd3 12.ed3+-) 10...Ne7 11.c4 Bb2 12.Qb2 0-0 13.h5 Nf5 14.hg6 (14.e4 Nd6 15.Qd4 Nb7+=) 14...fg6= 15.e4 Ng7 (15...Nd6!? 16.c5 Nf7=) 16.Qe5+= d6 (16...Rf7 17.d4+=) 17.Qh2+/- Kf7 18.Qh7 Qg5 19.Nc3 Nd7 20.Nge2?? (better 20.Be2+/-) 20...Ne5-/+ 21.Nd4 Nc4 (21...c5 22.Ncb5 Qe7 23.Be2 cd4 24.f4-+) 22.0-0-0 (better 22.Nb3=+) 22...Bb7?? (22...Qf6 23.Rdg1 Nd2=+ (23...Qd4?! 24.Qg6 Ke7 25.Qg7 Qg7 26.Rg7 Kf6 27.Rc7+=)) 23.Ne6+- Ke6 24.Qg7?? (24.Rhg1 Qf4 25.Rg6 (25.Qg7 Ne5=+) 25...Ke7 A) 26.Qg7?! Rf7 27.Qd4 Na3+= (27...Qf3? 28.Qc4 Rf6 29.Rg3 Qf2 30.e5 de5 31.Qh4+-); B) 26.Rg7 Rf7 27.Bh5+-) 24...Rf7 (24...Rf3 25.Rh7 Rd8 26.Ne2=) 25.Rhg1 Rg7 (25...Qd2! 26.Rd2 Rg7 27.Bg4 Ke5-/+) 26.Rg5= Rf8 27.Be2 Na3 28.Kb2 Nb5 29.Bb5 cb5 30.Nb5? (better 30.Rf1!?=+) 30...Rf2-+ (worse 30...Be4 31.Re1 d5 32.f3-/+) 31.Na7 Be4 32.Nb5 Kf6 (32...d5 33.Kc3-+) 33.Rgg1 (33.Nd6!? Bf3 34.Rb5=+) 33...d5 34.Nc3 (34.Rdf1 Rf1 35.Rf1 Ke6 36.Nd4 Kd6 37.Nb5 Kc6 38.Nd4 Kb7-/+) 34...Rc7 (34...g5 35.Rge1 Bg2 36.Re2 Re2 37.Ne2-+) 35.Ne4 (35.Rdf1!? Rf1 36.Rf1 Kg5 37.Rg1 Kh6 38.d4-/+) 35...de4-+ 36.Rg4 (36.Rdf1 Rf5-+) 36...e3 37.Rd4 ed2 (37...Re7 38.Re1 Rd2 39.Kc3 Rd4 40.Kd4 e2-+) 38.R1d2 Rd2 39.Rd2 g5 40.Kb3 g4 (40...Kf5-+) 41.Rf2? (41.Rd6 Kf5 42.Rb6-+) 41...Kg5-+ 42.Rg2 Kh4 0-1. beatmeeasy (1885) - airtonhauschild (1900), lichess.org, 2020.

5.Bg7 Ng7

6.Qc1 a5 7.Qb2 0-0 8.a3 ab4-/+ 9.ab4 Ra1 10.Qa1 b6 11.Nf3 Bb7 12.Bg2 c5 (12...Ne6 13.Rg1=+) 13.d3 (13.bc5!? bc5 14.Nc3=+) 13...cb4-/+ 14.Qd4 (14.Nbd2 Ne6-/+) 14...Nc6 15.Qb2 d6 (15...Ne6 16.0-0-+) 16.d4 (16.Nbd2 Ne6-/+) 16...e5!-+ 17.d5 (17.de5 Ne5 Decoy) 17...Ne7 (better 17...Nd4 18.Rg1 Bd5 19.Nd4 Bg2 20.Rg2 ed4 21.Qd4 Qa8-+) 18.Qb4?? (better 18.e4-/+) 18...Nd5-+ 19.Qb3 Nf4 20.Rg1 Nf5 21.Nbd2 (21.Bf1 Qc8 22.Nfd2 Nd4-+) 21...Nd4 (better 21...e4 22.Qc3 Qd7-+) 22.Qa3 (22.Nd4 Ng2 23.Rg2 Bg2 24.Nb5-+) 22...Nde2 (better 22...Nc2 23.Kf1 Na3-+) 23.Nh4 (23.Bf1 Ng1 24.Ng1 Qg5-+) 23...Bg2 (better 23...Qg5 24.Bb7 Qg1 25.Nf1-+) 24.Ng2 (24.Rg2 Nd4 25.Kf1 Qa8 26.Qa8 Ra8-+) 24...Ng2 (better 24...Ng1 25.Nf4 ef4-+) 25.Rg2 Nf4 26.Rg1 (26.Rg3 Qc8 27.Kd1 Qb7-+) 26...d5 27.Nf3 (27.Rg3 Qc8 28.Qa2 d4-+) 27...Re8 (27...d4 28.Kd1 Qd5 29.Qb3-+) 28.Kd1 (28.Qa4 Re7 29.Rg3 Qb8-+) 28...Qc7 29.Qe3 (29.Rg4 d4 30.Qb3 Qa7-+) 29...Ra8 30.Re1 (30.Ne5 Ra2 31.c4 Ra1 32.Kd2 Rg1 33.Qf4 dc4-+) 30...Ra1 (better 30...d4 31.Qb3 Qc3-+) 31.Kd2 Re1 (better 31...d4!? 32.Qb3 Qc3 33.Qc3 dc3 34.Kc3 Ra3 35.Kb4 Rf3 36.Re5 Rf2 37.Re4-+) 32.Qe1 (32.Ne1 d4 33.Qf3 h6 34.gh6 Kh7-+) 32...e4 33.Nd4 Qc4 (better 33...Ng2 34.Qa1 Qe5-+ (34...Qh2?! 35.Qa8 Kg7 36.Qa1 Qf4 37.Ke2 Qg4 38.Kf1=)) 34.Ne2 (34.Qa1-+) 34...Ne2 35.Qe2 Qe2 36.Ke2 f6! 37.Ke3 (37.gf6 Kf7 Decoy) 37...fg5 (better 37...f5-+) 38.Kd4 h5 (better 38...e3 39.fe3 g4 40.Kd5 Kf8-+) 39.Kc3?? (39.Kd5 e3! 40.fe3-+) 39...Kf7 40.Kb4 (40.Kd4 Ke6-+) 40...Ke6 41.Kb5 Ke5 (better 41...d4 42.Kb4-+) 42.Kb6 d4 43.Kb5 d3 44.Kc4 dc2 45.Kc3 (45.Kb3 c1Q 46.f4 ef3 47.h4 Qb1 48.Kc4 f2 49.Kc5 f1Q 50.Kc6 Qf6 51.Kc5 gh4 52.Kc4 Qc6) 45...e3! 46.Kb3 (46.fe3 c1Q Double attack) 46...ef2 47.Kc3 (47.Kc2 Kd4 48.Kd2 f1Q 49.Kc2 Qa1 50.Kd2 Qb2 51.Ke1 Ke3 52.h4 Qe2) 47...g4 (47...c1Q 48.Kb3 f1Q 49.Kb4 Qa6 50.h4 Qcc4) 48.Kc2 (48.Kd2 f1Q 49.Kc2 Qf2 50.Kc3 Qh2 51.Kc4 g3 52.Kc5 Qc2 53.Kb4 g2 54.Kb5 g1Q 55.Ka6 Qc6 56.Ka5 Qgc5) 48...g3! 49.Kd2 (49.hg3 f1Q Combination) 49...gh2 50.Ke2 f1Q! 51.Kf1 h1Q 52.Kf2 (52.Ke2 Kd4 53.Kf2 Qh2 54.Kf3 h4 55.Kg4 Qg3) 52...Qe4 (52...Ke4 53.Kg3 Qg1 54.Kh3 Ke5 55.Kh4 Qg4) 53.Kg3 (53.Kg1 Qf3 54.Kh2 h4 55.Kg1 h3 56.Kh2 Qg2) 53...Qg4 (53...Qe2 54.Kh3 Kf4 55.Kh4 Qg4) 54.Kh2 (54.Kf2 Kf4 55.Ke1 Ke3 56.Kf1 h4 57.Ke1 Qe2) 54...Kf4 55.Kh1 Kf3 56.Kh2 Qg2 0-1. AlbertOOO44444 (1775) - profedunca (2225), profedunca Arena, lichess.org, 2020.

6.Qc1 a5 7.Qb2 0-0 8.b5 c6 9.a4 d5 10.h4 Nh5 11.e3 Bg4 12.Be2 Be2 13.Ne2 Qd6 14.d4 Nd7 15.Qa3 Qa3 (15...c5 16.Nd2+=) 16.Na3= e5 17.c4 f6 18.bc6 bc6 19.cd5 cd5 20.Nb5 Rfc8 21.Kd2 e4 (21...Nb6 22.Nec3=) 22.Rhc1 (22.Rhb1 Nb6+=) 22...fg5 23.hg5 Nb6 24.Nd6 (24.Rc5 Nc4 25.Kc3 Nb6=) 24...Rf8 (24...Rc1!? 25.Nc1 Rd8=) 25.Rc6 Nc4 26.Nc4 dc4 27.Ke1 Rf5 28.Rc1 Raf8 29.R1c4 Rf2 30.Rc8 R2f3 31.Rf8 Kf8 32.Kd2 Rf2 33.Ke1 Rf3 34.Rc8 Kf7 35.Rc7 Ke6 36.Kd2 Rf2 37.Ke1 (37.Rh7? Ng3 38.Ra7 Re2 (38...Ne2?! 39.Ra6 Kd7 40.Ra7 Kc6 41.Ke1-+) 39.Kc3 Re3 40.Kc4 Kf5 41.Ra5 Kf4-+) 37...Rf3 38.Rh7 (38.Rc5 Re3 39.Kd2 Rd3 40.Kc2 Re3+=) 38...Re3= 39.Kd2 Rd3 40.Kc2 Kf5 41.Ra7 (41.Re7 Re3 42.Re5 Kg4+=) 41...Kg5 42.Ra5 Kf6 (42...Kg4 43.Rd5-/+) 43.Re5 (better is 43.Rd5!? Ng3 44.Nc3+/-) 43...Rd4+= 44.Rh5 Ra4 45.Rc5 Ra2 46.Kd1 e3 47.Rc3 Kf5 48.Re3 g5 49.Ke1 Ra4 50.Kf2 g4 51.Rb3 Ra2 52.Rb5 Ke4 ½–½. Molano Lafuente,I (2110) – Magallanes,Gustavo (1905), XVII Sant Marti Open, 2015.

6.Qc1 d6 7.h4 h5 8.Nf3 Nc6 9.a3 Bg4 10.Bg2 Qd7 11.Nc3 e5 12.Nd5 0-0-0 13.Nf6 Qe6 14.b5 Ne7 15.d4 Ne8 16.d5 Nd5 17.Nd5 Qd5 18.0-0 e4 19.Rd1 Qf5 20.Nd4 Qe5 21.Qe3 d5 22.f3 Bf5 23.f4 Qd6 24.Nf5 gf5 25.c4 d4 26.Qb3 Qf4 27.Qh3 Qg4 28.Rac1 Ng7 29.c5 Ne6 30.c6 b6 31.Rc2 d3 32.Rcd2 Qh3 33.Bh3 de2 34.Rd8 Rd8 35.Rd8 Kd8 36.Kf2 Nd4 37.Ke1 Ke7 38.Bg2 Kd6 39.Kf2 Ke5 40.Ke1 Kf4 41.Kf2 e3 0–1. Adamkosh (1845) – Zipoli (1805), lichess.org, 2019.

6.Qc1 e5 7.h4 (7.Qb2 Qg5 8.Nf3 Qf6 9.Qe5 Qe5 10.Ne5 d6=) 7...d5 (7...h6 8.Qb2 d6 9.f4 hg5 10.fg5-/+) 8.e3 (8.Qb2 f6=) 8...0-0 (8...h6 9.Qb2 d4 10.ed4 ed4 11.f4-/+) 9.Qb2=+ Re8 (9...f6 10.Bh3 Bh3 11.Nh3=+) 10.c4 (10.Nf3 e4 11.Nd4 Ne6=+) 10...d4 11.Qc2 (11.Bg2 c6=+) 11...de3 (11...a5 12.b5-/+) 12.de3=+ Bf5 13.e4? (better is 13.Qa4=+) 13...Qd4-+ 14.Nc3 Be4! 15.Ne4 Qa1 16.Ke2? Nc6 17.Nf3 Nd4 18.Nd4 Qd4?? 19.Nf6-/+ Kh8 20.Ne8 Re8-/+ 21.Bg2 Nh5 22.Bb7 e4 23.c5?? Nf4-+ 24.Kf1 Qa1 25.Qb1 Qb1 0–1. Istvanny – gardez2005 (1645), internet, 2007.

6.Qc1 e6 7.Qb2 0-0 8.Bg2 Qg5 9.Bf3 d5 10.h4 Qe7 11.Nh3 e5 12.e3 e4 13.Be2 Bh3 14.Rh3 Nc6 15.a3 Qe6 16.Rh1 Nf5 17.h5 Qe5 18.Qe5 Ne5 19.hg6 hg6 20.Nc3 Rad8 21.0-0-0 Kg7 22.Rdg1 Nc4 23.Bc4 dc4 24.Ne4 Rfe8 25.f3 Rh8 26.Rg2 Rh1 27.Kb2 Nh4 28.Rg3 Nf5 29.Rg2 Rdh8 30.Kc3 R8h2 31.Rg4 Nd6 32.Nc5 b6 33.Na6 Rh5 34.Nc7 Nb5 35.Kb2 Nc7 36.Rc4 Ne6 37.f4 a5 38.ba5 Ra5 39.Rb4 Nc5 40.d4 Na4 41.Ka2 Re1 42.Rb6 Re3 43.Rb3 Nc3 44.Kb2 Nd1 45.Ka2 Rb3 46.cb3 Nc3 47.Kb2 Ne2 48.d5 Rd5 49.b4 Nf4 0–1. Adamkosh (1750) – Karthik__R (1795), lichess.org, 2020.

6.Nc3 0-0 7.a4 d5 8.h4 e5 9.Bg2 c6 10.b5 Nd7 11.Ra3 Nc5 12.Qa1 d4 13.Nd1 Bf5 14.Nf3 Re8 15.Qb2 Rc8 16.Nh2 Nge6 17.d3 (better 17.Bf3!?-/+) 17...Nf4-+ Black prepares e4 18.Bf3? (better 18.Kf1-+) 18...e4 19.de4 Be4 (19...Qa5 20.Nc3 Be4 21.Kf1 dc3 22.Qc3 Qc3 23.Rc3-+) 20.Ng4 (20.0-0 Bf3 21.Nf3-+) 20...Bf3 21.Rf3 Nd5 (better 21...Re2 22.Kf1 Ncd3 (22...Na4 23.Qc1 Re6 24.Qf4+-) 23.cd3 Rb2 24.Nb2 Qc7-+) 22.Nh6+- Kh8 (22...Kg7 23.Rf7 Kh8 24.Qd4 Nf6 25.Qd8 Red8 26.gf6 cb5+-) 23.Nf7 Kg7 24.Nd8 (better 24.Qd4!? Qf6 25.Rf6 Ne6 26.Re6 Kf7 27.Re8 Re8+-) 24...Rcd8 (24...Re4 25.Nf7 Rce8 26.Nd6 Re2 27.Kf1+-) 25.Qd4 Kg8 26.Qc5 1–0. FeegLood (2540) – Metamorfos (2335), lichess.org, 2015.

6.Nc3 0-0 7.h4 e6 8.Bg2 Nc6 9.b5 d5?? (better 9...Ne5=) 10.bc6+- bc6 11.Rb1 Ba6 12.Rb3 Rb8 13.Qa1 Rb3 (13...Qd6 14.Qb2 Rb6 15.Qa3+-) 14.ab3 Qb8 (14...Bb5+-) 15.Qa6 Qb6 16.Qa1 Nf5 (16...Rb8 17.Nf3 Rd8 18.Ne5+-) 17.Na4 Qb8 (17...Qb4 18.Nf3+-) 18.h5 (18.Nc5 Rd8 19.h5 gh5+-) 18...Qd8 (18...Qb4 19.Nf3+-) 19.hg6 fg6 20.Nf3 Qd6 21.Ne5 Ne7 (21...Qd8 22.f4 Qd6 23.e3+-) 22.Ng4 Qf4 (22...e5+-) 23.Nh6 1–0. FeegLood (2615) – Bauernweisheit, lichess.org, 2015.

6.Nc3 d5 7.Bg2 c6 8.Nf3 0-0 9.a4 Nd7 (9...e5 10.d3=+ (10.Ne5? Qg5 11.Bd5 Qe5-+)) 10.d4 Re8 11.h4 (11.0-0 e5 12.e4 a5 13.ed5 ab4 14.dc6 bc3 (worse 14...bc6 15.Ne4+-) 15.cd7 Bd7 16.de5 Ra4 17.Ra4 Ba4=) 11...e5 12.de5 Ne5 13.Qd4 (13.Ne5 Re5 14.Qd4 Qc7=+) 13...Nf5 (13...Nc4 14.Nd2 Ne6 15.Qf6 Qf6 16.gf6-/+) 14.Qf4= Nf3 15.Bf3 (worse 15.Qf3 Qb6 16.Rb1 Nd4-/+) 15...Qe7 16.h5 d4 17.Ne4 Qb4 18.Kf1 Kg7 19.Nf6 Be6 (better 19...Rh8+=) 20.Qe5 Kf8 21.hg6 hg6 (21...h5 22.gf7 Ne3 23.Kg1 Bf7 24.Ne8 Qb2+-) 22.Rh8 Ke7 23.Qc7 (23.Qc7 Bd7 24.Qd7; 23.Re8?! Re8 24.Ne8 Ke8+-; 23.Ne8?! Re8 24.Re8 Ke8+-) 1–0. FeegLood (2250) – Burlaka (2280), lichess.org, 2015.

6.Nc3 d6 7.h4 e5 8.e3 h5 9.Bg2 0-0 10.Nge2 Bg4? (10...c6 11.f4=) 11.f3?? (better 11.Bb7 Nd7 12.Ba8 Qa8 13.Rh2+-) 11...Be6= 12.Ng3 (12.f4 Nd7=) 12...d5=+ 13.Nce2 Nc6 14.b5 Ne7 15.d4 (15.f4 e4=+) 15...Ngf5 16.Qd2 ed4 17.ed4 (17.Nf5 Nf5 18.Nd4 Qe7=+) 17...c6 (17...a6 18.ba6 Ra6 19.Qf4-/+) 18.bc6=+ bc6 19.Kf2 Qd6 20.c3 Rab8 21.Rab1 Rb1 22.Rb1 Nh4 23.Qf4 (23.Rb7 Ng2 24.Kg2 Nc8-/+) 23...Nef5 24.Qd6 Nd6 25.Nf4 Nhf5 (25...Ng2 26.Kg2 Re8 27.Rb3-/+) 26.Nf5 (26.Rb4 Ng3 27.Kg3 Rc8-/+) 26...Bf5 (26...Nf5?! 27.Rb7=) 27.Rb4 Re8 (27...f6!? 28.gf6 Rf6 29.Rb8 Rf8 30.Rf8 Kf8-+) 28.Bf1 Kg7 29.a4 (29.Ra4 Re7-/+) 29...Re7 (29...f6 30.Nh3-+) 30.a5 Rb7 31.Ba6 Rb4 32.cb4 Bc8 (32...f6 33.gf6 Kf6 34.b5 Nb5 35.Bb5 cb5 36.Nd5 Kf7 37.Nb4-+) 33.Bf1 Nf5 34.b5? (better 34.Bh3!?-/+) 34...Nd4-+ 35.b6 ab6 36.a6 (36.ab6 Bb7-+) 36...b5 (36...f6 37.Nh3-+) 37.a7 Bb7 38.Nd3 Ne6 (38...Ba8 39.f4-+) 39.Bh3 Nc7 40.Nc5 Ba8 41.Bc8 (41.Ke3-+) 41...b4 42.Nd7 (42.f4 Nb5-+) 42...Nb5 (better 42...b3 43.Nf6 b2 44.Nh5 Kf8-+) 43.Nb6 (43.Nc5 Na7 44.Ba6 f5-+) 43…Na7 (43...Na7 44.Ba6 Nb5-+) 0-1. Ehlvest,Jaan (2515) - Petrova,I (2120), Titled Tuesday 9th Mar, 2021.

6.Nc3 e5 7.d4 Qg5 8.Nf3 Qe7? (better is 8...Qd8 9.de5 0-0) 9.Nd5 Qd8 10.de5 0-0? (better is 10...d6 11.ed6 Qd6) 11.Nf6 Kh8 12.Qd2 d6 13.Qh6 1–0. Wall,Bill – Aliborgh, FICS, 2012.

6.Nc3 e5 7.Nd5 c6 (7...Ne6 8.Nf3=) 8.Nf6+= Kf8 9.h3 (9.d4 Qe7 10.Qd2=) 9...Ne6=+ 10.h4 h6 11.Ng4 (11.Rh3!?=+) 11...hg5-/+ 12.a4 (12.Ne5 d6 13.Nc4 Ke8-/+) 12...Rh7 (12...d6 13.Nh3-+) 13.Ra3 (13.Ne5 d6 14.Nd3 gh4-/+) 13...gh4 (13...d6 14.Rah3 gh4 15.e4-+) 14.Qa1? (better 14.Ne5!? d6 15.Nd3-/+) 14...d6-+ 15.Rf3? (15.Bh3 Ke8-+) 15...f5 (15...Nd4 16.Ne3 Nf3 17.Nf3-+) 16.e3 (16.Nh2-+) 16...e4 (better 16...Ng5 17.Ne5 de5 18.Qe5 Nf3 19.Nf3 g5-+) 17.Nf6-/+ Rf7 (17...ef3?! 18.Nh7 Kf7 19.Nf3+=) 18.Ne4 fe4 (better 18...Ke8 19.Nc3 g5-/+) 19.Rfh3?? (better 19.Qh8 Ke7 20.Qh4 g5 21.Rf7 Kf7 22.Qh5 Kf6 23.Qh6 Kf7 24.Qh5 Kf6 25.Qh6 Kf7 26.Qh5=) 19...Ng7 (better 19...g5 20.f4 ef3 (20...gf4?! 21.Rh4 Ke8 22.ef4-+) 21.Rf3 Ke7-+) 20.Rh4 Qf6?? (better 20...Ke7-+) 21.Qa3?? (better 21.Qf6 Rf6 22.Rh8 Ke7 23.Rc8+-) 21...Be6 (21...Qf2 22.Kd1 Qf1) 22.Rf4 Qe7?? (better 22...Bf5 23.Rfh4 Ke8-+) 23.Rh8 1–0. FeegLood (2465) – FinkelFrand (1785), lichess.org, 2015.

6.Nc3 Ne6 7.h4 h6 8.gh6 Rh6 9.a4 b6 (9...d5 10.Nf3=+) 10.Ra3 (10.Bg2!? c6 11.e3=) 10...Bb7=+ 11.Nf3 (11.e4 Nc6 12.b5 Ncd4=+) 11...Nc6 (11...a5 12.b5-/+) 12.b5 Ncd4 13.Bg2? (13.e4!?-/+) 13...Nf3 (13...Nf4 14.Bf1 Bf3 15.ef3-+) 14.ef3 Nf4 15.Bf1 e6 16.Ne4 Rh4 17.Rg1 (17.Rh4 Qh4 18.a5 f5-/+) 17...Be4 (17...d5!? 18.Ng3-+) 18.fe4-/+ Qf6 19.Rf3 (19.d4!?-/+) 19...Qd4-+ 20.d3 (20.Re3 Qa4 21.d4 c6-+) 20...0-0-0 21.Qd2 Nd5?? (better 21...e5-+) 22.ed5+- ed5 23.Re3 (23.a5 Re8 24.Re3 Re3 25.fe3 Qa1 26.Kf2 Qa5 27.Qa5 ba5+-) 23...Rf4 (better 23...Qa4!? 24.c4 Rdh8=) 24.a5+- Qf6 (24...Qa1 25.Ke2+-) 25.a6 (better 25.c3+-) 25...Rf2?? (better 25...Qb2+=) 26.Qf2+- Qf2 (26...Qa1 27.Ke2 Qc1 28.Qf7 Qc2 29.Kf3 d4+-) 27.Kf2 f5 (27...Rf8 28.Rf3 Kd8 29.Rg6+-) 28.Rg6 d4 (28...Kb8 29.Re7 d4 30.Rd7+-) 29.Re7 f4 (29...Kb8 30.Rd7! Kc8 31.Rf7 Rd7 32.Rg8 Rd8 33.Rgg7 Rh8 34.Rc7 Kd8 35.Ra7 Rh2 36.Ke1 Re2 37.Be2 f4 38.Rg8) 30.Bh3 (30.Bh3 c5 31.Rc6 Kb8 32.Rd7 Re8 33.Rb6 ab6 34.a7 Ka8 35.Bg2 f3 36.Bf3 Re4 37.Be4) 1–0. FeegLood (2370) – bonecollector (1870), lichess.org, 2015.

6.c4 0-0 7.Nc3 c6 8.h4 d5 9.cd5 cd5 10.Nf3 d4 11.Ne4 Nc6 12.b5 Qd5 13.d3 (better 13.bc6!? Qe4 14.Qa4=) 13...Qb5-/+ 14.Nfd2 Bf5 15.Rc1 Rac8 16.Rb1 Qa5 17.Bh3 (17.Rb7!? Be4 18.de4-/+) 17...Nb4 18.Bf5 Nf5 19.h5?? (better 19.Qb3-+) 19...Nc2 20.Kf1 Nce3! 21.fe3 Ne3 22.Kf2 Qf5 23.Nf3 Nd1 24.Rbd1 Qf4 (24...Rc2 25.Rd2 Rd2 26.Ned2-+) 25.hg6 (25.Rh4 Qe3 26.Ke1 Rc2-+) 25...fg6 26.Rh4 (26.Rd2-+) 26...Qe3 (better 26...Qh4 27.Kg2 Qg4 28.Kh2 Rf3 29.ef3 Rc2 30.Rd2 Rd2 31.Nd2 Qh5 32.Kg3 Qg5 33.Kh3 Qd2 34.Kg3 h5 35.a3 Qe1 36.Kh2 Qf2 37.Kh1 h4 38.f4 h3 39.f5 Qg2) 27.Kg2 (27.Kf1 Rf3 28.ef3 Qf3 29.Nf2-+) 27...Qe2 28.Nf2 (28.Kg1 Qd1 29.Ne1 Qe1 30.Kg2 Rc2 31.Kh3 Qf1 32.Kg4 Qf3) 28…Qf3 (28...Qf3 29.Kg1 Qg3 30.Kh1 Rf2 31.Rh7 Qg2) 0-1. is_er_nog_hoop (2675) - Nesty_Javi_Chess (2720), Rated bullet game, lichess.org, 2020.

6.c4 0-0 7.Nc3 e5 8.h4 d6 9.e3 Be6 10.Nf3 Nd7 11.h5 (11.d4!?=) 11...Nh5=+ 12.Rh5? (better 12.Be2=+) 12...gh5-+ 13.Bd3 f5 14.gf6 (14.Be2 h4!-+) 14...Nf6 (better 14...Qf6!? 15.Be4 c6 16.Ke2-+) 15.Ng5 Bg4 16.Qc2 Qe7 17.f3 (17.Qb3 Qg7 18.Nge4 Ne4 19.Be4 Rf2 20.Bh7 Kh7 21.Qb1 Kh8-+) 17...Bd7 (better 17...Qg7!? 18.Nce4 Ne4 19.Be4-+) 18.0-0-0 Kh8 19.Rh1 Rg8 20.Nce4 Ne4 21.Ne4 h4 22.f4 Rg7 23.fe5 Qe5 24.Kb1 (better 24.Nc3-+) 24...Rag8 25.Qd1 (25.Rc1 h3 26.Be2 Bf5-+) 25...h3 26.Qf3 (26.Bc2 h2 27.d4 Qe7-+) 26...Bf5 (better 26...Rg1 27.Bf1 Qf5 28.Qf5 Bf5 29.Rh3 Rf1 30.Kb2 Bh3-+) 27.Kc2? (27.Nf2 Rf8 28.e4 Rg3 29.Rh3 Rf3 30.Rf3 Rg8 31.Rf5 Qd4-+) 27...h2 (better 27...Rf7 28.Rh3 d5-+) 28.Rh2?? (28.Nf2 Rf7 29.Qd5 Qd5 30.cd5-+) 28...Be4 29.Qe4 (29.Be4 Qh2 30.Bb7 Qe5-+) 29...Qh2 30.Qb7 (30.Qd4 c5! 31.bc5 dc5 32.Qc5 Rd7-+) 30...Qe5 (better 30...Rg2 31.Qa7 Rd2 32.Kc3 Ra2 33.Qd4 Qe5 34.Qe5 de5 35.Kb3-+) 31.b5 c5 32.Qa6 Rg1 (better 32...d5-+) 33.a4 (33.Qa7 R1g7 34.Qa3-+) 33...Ra1 (33...Qa1 34.Kb3 Qd1 35.Bc2 Qd2 36.a5 Qb4 37.Ka2 Qc3 38.Bb1 R8g2 39.Bc2 Rc2) 34.Qa5 (34.Kb3 d5 35.b6 ab6 36.cd5-+) 34...Ra2 35.Kd1 Rg1 36.Ke2 Qh2 37.Kf3 Rg3 (37...Qg2 38.Kf4 Qg4) 38.Ke4 Qh4 (38...Qg2 39.Kf5 Qh3 40.Kf6 Qh6 41.Ke7 Rg7 42.Kd8 Qe6 43.Bh7 Qd7) 39.Kd5-+ Rg5 40.Kc6 Qh6 41.Qd8 Rg8 42.Qe7 Ra4 43.Be4 (43.Bf5 Rc4 44.Qd6 Qd6 45.Kd6 Rc1-+) 43...Rc4 (better 43...d5 44.Kc5 de4-+) 44.Bd5 Rcg4 (44...Rb4 45.Bg8 Kg8 46.Qa7 Qe6 47.Qb8 Kg7 48.Qd6 Qd6 49.Kd6 Rb5-+) 45.e4 (45.Bg8 Rg8 (45...Kg8?! 46.Qe8 Qf8 47.Qe6 Kh8 48.Qg4=) 46.Qa7 Qh1 47.Kd6 Qh2 48.Kc5 Qe5 49.Kc4 Rc8 50.Kb4 Qd6 51.Ka5 Qd8 52.Ka6 Ra8 53.Qa8 Qa8 54.Kb6 Qb8 55.Kc5 h5-+) 45...c4 (45...R4g7 46.Qe6 Rb8 47.Kd6-+ (47.Qh6?? Rb6)) 46.Bc4 (46.Bg8 Rg8 (46...Kg8?! 47.Qe8 Qf8 48.Qe6 Kh8 49.Qg4=) 47.Qa7 Rc8 48.Kb7 Qg7 49.Kb6 Qd4 50.Ka6 Qe4-+) 46...Qg5 (better 46...d5 47.Kd5 Qd2 48.Kc6 R4g6 49.Be6 Rb8-+) 47.Qf7 (47.Qg5 R8g5 48.d3-+) 47...Qc5 48.Kb7 (48.Kd7 Qc8 49.Ke7 Re4 50.Kf6 Qd8 51.Kf5 Re5 52.Kf4 Qg5 53.Kf3 Qg3) 48...R4g7 (48...Qb6) 49.Qg7 Rg7 50.Ka6 (50.Bf7 Rf7 51.Kb8 Qb5 52.Kc8 Qe8) 50…Qb6 0-1. is_er_nog_hoop (2680) - dani29 (2695), Rated bullet game, lichess.org, 2020.

6.c4 a5 7.b5 d6 (7...e5 8.Nc3=) 8.Bg2 (8.d4 h6 9.gh6 Rh6=) 8...0-0 (8...e5 9.Nf3=+) 9.Nc3 Nd7 10.d3 e5 11.h4 f5 12.gf6 (12.Bd5 Kh8=) 12...Nf6 13.Nf3 Bg4 (13...Ngh5 14.e3=) 14.Qd2 Ngh5 15.e3 Qe7 16.Ng5 h6 (16...Ra7 17.Rg1=) 17.Nge4 (17.Bb7!? Ra7 18.Bd5 Kg7 19.Nge4+/-) 17...Ne4= 18.Be4 Kg7 (18...Bf3 19.Nd5 Qg7 20.Bf3 Rf3 21.b6 cb6 22.Rg1=) 19.Rg1 (19.Bb7 Ra7 20.Be4 Nf6+/-) 19...Qh4+= 20.Bb7 Rab8 21.Be4 Nf6 22.Bc6 Rf7 23.Nd5 (better 23.Rh1 Qg5 24.Ne2+=) 23...Rbf8-/+ 24.Nc3 e4 (better 24...Nh7!? 25.Rf1 Bh3-+) 25.Be4 Nh5?? (better 25...Qh2 26.Rf1 Bh3=+) 26.Rf1?? (better 26.Nd1+/-) 26...Ng3-+ 27.Bd5 (27.Nd1 Nf1 28.Kf1 Bd1 29.f4 Rf4 30.ef4 Rf4 31.Kg1 Qg5 32.Bg2 Rf1 33.Kf1 Qd2 34.Be4-+) 27...Nf1 28.Qb2 Rf2 29.Ne2 Kh7 30.0-0-0 Re2 31.Qc3 Qf2 (31...Ne3 32.Bg8 Kg8 33.c5 Nd1 34.Qc4 Kh7 35.Qe4 Qg5 36.Qf4 Nc3 37.Qg5 Rf1) 32.c5 Ne3 33.Rd2 Qe1 34.Kb2 Rd2 35.Ka3 (35.Qc2 Rc2 36.Kb3 Qb4) 35...Rc2 (35...Rd3 36.Ka4 Qc3 37.Bg8 Kg8 38.cd6 Rf4) 36.Qc2 Nd5 (36...Qb4) 37.Kb2 (37.Qc4 Ne3 38.Ka4 Nc4 39.Kb3 Qb4 40.Kc2 Qb2) 37...Qb4 38.Qb3 Rf2 39.Kb1 (39.Ka1 Qe1 40.Qb1 Qc3 41.Qb2 Qb2) 39...Qe1 40.Qd1 Qd1 0-1. filmer75 (2565) - ajedrez2021 (2565), Rated Bullet game, lichess.org, 2020.

6.c4 d6 7.Nc3 a5 8.b5 0-0 9.h4 b6 10.Bg2 Ra7 11.Nd5 Bb7 12.Nf3 e6 (12...Bd5!? 13.cd5 a4+=) 13.Nf6+/- Kh8 14.e4 (14.h5 Ne8 15.Ne8 Bf3 A) worse 16.ef3 Qg5 (worse 16...Re8 17.f4+=) 17.Qe2 Re8-/+; B) 16.Bf3 Re8 17.Rg1+/-) 14...Nd7= 15.Nh7? (better 15.Nd7 Qd7 16.Qe2=) 15...Kh7-+ 16.h5 Nh5 17.Rh5? (17.Qc2-+) 17...gh5 18.d3 Kg7 19.Qd2 Rh8 20.Nh4 Ne5 21.f4 Ng4 (21...Ng6 22.Ng6 fg6 23.0-0-0-+) 22.f5 ef5 23.ef5 (23.Nf5 Kf8 24.Bh3 Rg8-+) 23...Qe7 (23...Re8 24.Kd1 Ne3 25.Kc1 Qg5 26.Bb7 Rb7 27.Nf3 Qf5 28.Qc3 Kh7 29.Nd2-+) 24.Kf1 (24.Kd1 Ne3 25.Kc1 Qg5 26.Bb7 Rb7-+) 24...Qe5 25.d4 (25.Re1 Bg2 26.Ng2 Qf5 27.Nf4 Ne5-+) 25...Qg3 (better 25...Bg2 26.Ng2 Qh2 27.Re1-+) 26.f6 Kg8 27.Bb7 Qh4 (better 27...Rb7!? 28.Qe1 Qf4 29.Kg2 Ne3 30.Kh1 Qe4 31.Kg1 Qd4 32.Nf3-+) 28.Re1 (28.Bd5 Qh3 29.Ke2 Qh2 30.Kd3 Qg3 31.Ke2 c5 32.bc6 Ra8-+) 28...Nf6 29.gf6 Qf6 (29...Rb7? 30.Re8 Kh7 31.Qd3 Kh6 32.Rh8 Kg5 33.Qf3+-) 30.Kg2 Rb7 31.Re8 Kg7 32.Re3 Rg8 33.Rg3 Kf8 34.Rg8 Kg8 35.Qe3 Qg6 36.Kh3 (36.Kh1 Kf8 37.Qd2 c5 38.dc5 dc5 39.Qd8 Kg7-+) 36...Rb8 37.Qe7 (37.a3 Qf5 38.Kh2 Kh7-+) 37...Rf8 (better 37...Qf5 38.Kh2 Kh7 39.Qe2-+) 38.Kh2 Qg4 (better 38...Qc2 39.Kg3 f6 40.Qe6 Kg7-+) 39.Qc7 (39.Qe3-+) 39...Re8 40.Kh1 (40.Qb8 Rb8 41.a3 h4 42.a4 h3 43.c5 Qg2) 40...Re2 (40...Re1 41.Kh2 Re2 42.Kh1 Qg2) 41.Qd8 Kh7 42.Qg5 (42.Qh8 Kh8 43.c5 Qg2) 42...Qg5 43.d5 (43.c5 Qg2) 43…Qg2 0-1. is_er_nog_hoop (2675) - twoyearsold (2555), Rated bullet game, lichess.org, 2020.

6.c4 e5 7.d4 e4 (7...ed4!? 8.Qd4 Qg5=+) 8.Qd2= d5 9.cd5 0-0 10.Nc3 Re8 11.h4 Nd7 12.Bg2 Qe7? (12...f5!?+=) 13.Be4 (13.Ne4!? Nh5+-) 13...Qb4+- 14.Nf3 f5 15.Bc2 Nh5 16.Bb3 Kg7 17.0-0 a6 18.Rac1 Qd6 Black intends f4 19.e3 Nb6 20.Ne5 f4 21.e4 Bh3 22.Rfe1 Re7 23.f3 (23.Bd1 Rf8+-) 23...Rf8 24.Ne2 Qd8 25.Nd3 Ref7 (better 25...Bd7+-) 26.d6! Qd6 (26...cd6 27.Bf7 Discovered attack; 26...Qd6 27.Bf7 Discovered attack) 27.Bf7 Rf7 28.Qc3 Kg8 29.Qc5 (29.Qb4 Qd8+-) 29...Qd8 30.Ne5 Re7 31.a4! Na4? (31...Be6 32.Qb4 Bc8+-) 32.Qc4 Kg7 33.Qa4 h6 (33...Qd6 34.Nc4 Qd8 35.Qb4+-) 34.Qa5 hg5 35.hg5 Bc8 36.Kf2 b6 37.Qd5 (better 37.Qc3 Bb7+-) 37...Qe8 (37...Qd5 38.ed5 Bb7 39.Nc6+-) 38.Rh1 (38.Qc6!? Bd7 39.Qc7 b5+-) 38...Be6 (38...c5 39.Qd6 Re6 40.Qb8+-) 39.Qc6 Qd8 (39...Bd7 40.Qc7 b5 41.Qd6 Re5 42.de5+-) 40.d5 Bc8 (40...Bf7 41.Qc3 Kg8+-) 41.Qg6 (41.Qg6 Kf8 42.Rh5 Rh7 43.Rh7 Qd7 44.Rh8 Ke7 45.Qf6) 1–0. Swicarz,Maciej (2310) – Kot,Jerzy (2020), Wroclaw Poland, Adolf Anderssen Memorial Poland, 2018.

6.c4 e6 7.Nf3= Nc6 (7...d5 8.Qa4 c6 9.b5=) 8.b5 Ne7 9.Bg2 0-0 (9...h6 10.h4+=) 10.0-0 d5 11.Qc2 dc4 12.Qc4 Qd5? (12...Nd5 13.Rc1+=) 13.Qd5 Nd5 14.Ne5 f6 15.gf6 Rf6 16.Nc3 Nc3+= 17.dc3 Rf5 18.f4 g5 19.e3 gf4= 20.ef4 Nh5 21.Nd3 Rb8 22.c4 Bd7 23.Ne5 Be8 24.Bh3 Rf4 25.Be6 Kg7 26.Kg2 Re4=+ 27.Rf5 Nf4?? 28.Kf3+- Ne6 29.Ke4 Nc5 30.Kd4 Ne6 31.Kc3 Rd8 32.Rg1 Kh8 33.Rf6 Bh5 34.Re6 h6 35.Rh6 1–0. wlittle (2155) – teenagetrekkie (2000), net–chess.com, 2004.

6.d3 b6 7.a3 (7.Bg2 c6=) 7...Bb7 8.Qd2?? (better 8.e4=) 8...Bh1-+ 9.f3 e6 (9...h6 10.Qc3 Kf8 11.Nh3 hg5 12.Qd4-+) 10.Kf2 (10.Nh3 h6! 11.Qc3 Kf8-+) 10...d6 (better 10...h6 11.Qc3 Rh7 12.Nh3 hg5 13.Kg1-+) 11.Nh3 Nc6 (11...h6 12.Kg1 Bf3 13.ef3 hg5 14.Qg5-+) 12.Kg1 Bf3! 13.ef3 Qd7 14.Nc3 0-0-0 15.Ne4 Kb8 (15...e5 16.f4 h6 17.Nf6-+) 16.Nf6 Qe7 (16...Qc8 17.Qc3 Ne7 18.f4-+) 17.b5 (17.Qc3 Kb7-+) 17...Nd4 18.Kf2 (18.Qf2 Ndf5-+ (18...Nb5?! 19.c4-/+)) 18...Nb5 (18...h6 19.f4-+) 19.Rb1 Nd4 (19...Na3?! 20.Rb3 d5 21.Qc3-+) 20.c3 Nc6 21.a4 Ka8 (21...h6 22.f4-+) 22.d4 d5 23.Qd3 (23.Bb5 Na5 24.Kg2 h6-+) 23...Ne8 (23...h6 24.f4-+) 24.a5 (24.Ng4 h5 25.Ne3 e5-+) 24...Na5 25.Qa6 (25.Ng4 Nc4-+) 25...Nf6 26.gf6 Qd7 (better 26...Qf6!? 27.Kg2-+) 27.Ra1 Qc8 28.Qb5 Nc4! 29.Bc4 dc4 30.Nf4 c6 (better 30...g5 31.Nh3 Rd5 32.Qc4 Qb7-+) 31.Qa6 (31.Qb6 Rd7-+) 31...Rd7 (31...Qa6 32.Ra6 Rhe8 33.Ra4-+) 32.Qa4 (32.Qb6 c5! 33.dc5 Rb7-+) 32...Rb7 (better 32...Qc7!? 33.Ng2-+) 33.Ne2 Qd8 (33...b5 34.Qa6-+) 34.Nc1 (34.Qc6 Qd5 35.Qa4 b5-+) 34...Qc7 (better 34...b5 35.Qa6 Qf6-+) 35.Na2 (35.Kg2 b5 36.Qc2 c5-+) 35...Rc8 (better 35...Qh2!? 36.Ke3 e5 37.Qc6 ed4 38.cd4-+) 36.Nb4 (36.Kg2 b5 37.Qc2 c5-+) 36...Qd8 (better 36...c5 37.dc5 Qh2 38.Kf1 Rc5 39.Nc6-+) 37.Na6 (37.Nc6 Qd7 38.Ne7 Qa4 39.Ra4 Rcc7-+) 37...Qf6 38.Nb4 (38.Qc4 Qh4 39.Kg1 e5-+) 38...Qe7 (38...Qh4 39.Kg2 Qg5 40.Kh3-+) 39.Nc6 Rc6! 40.Qc6 Qc7 41.Qe8 (41.Qc7 Rc7 42.Ke3-+) 41...Qc8 (better 41...Rb8 42.Qa4 Qh2 43.Ke1 Qg3 44.Ke2 Qc7-+) 42.Qc8+- Rb8 43.Qa6 (better 43.Qc6 Rb7 44.d5 a5 45.d6 Kb8 46.Rb1 h6 47.Rb6 Rb6 48.Qb6 Ka8 49.d7 a4 50.d8Q) 43…Rb7 (43...Rb7 44.d5 Kb8+-). Gehaktbalmetjus (2115) - khris (2065), Rated Bullet game, lichess.org, 2020.

6.d3 h6 7.gh6 Rh6 8.Qd2=+.

6.d4 d5 7.c3 0-0 8.Nf3 a5 9.b5 c6 10.a4 e6 (10...cb5 11.ab5 Bf5 12.Nbd2=) 11.e3 Nd7 12.c4 c5 (12...f6 13.Rg1+=) 13.cd5+/- ed5 14.Nc3 cd4 15.Qd4 Re8 (15...Nb6!?+=) 16.Nd5+/- b6 (16...Ne6 17.Qc3 Nec5 18.Rd1+-) 17.Rd1+- Bb7 18.Bg2 Nc5?? (better 18...Rc8+-) 19.Nf6 Kh8 (19...Kf8 20.Nh7 Kg8 21.Nf6 Kf8 22.Qh4+- (worse 22.Ne8 Qd4 23.Rd4 Re8+-)) 20.Qh4 h5 21.gh6 (better 21.Rd8 Red8 22.Ne5 Nd3 23.Ke2 Ne5 24.Bb7 Ra7+-) 21...Nf5 22.Rd8 Rb8 (22...Nh4 23.Ng5 Ng2 24.Kf1 Bd5 25.Rd5 Ne3 26.fe3 Rf8+-) 23.Re8 (better 23.Ng5 Nd3 (23...Nh4?? 24.Nf7) 24.Rd3 Re7+- (24...Nh4 25.Nf7)) 23...Re8 24.Qg5 (better 24.Ng5 Re7 (24...Nh4?? 25.Nf7) 25.Qg4 Nh6 26.Nf7 Kg7 27.Nh6 Bg2 28.Qg2 Kf6+-) 24...Rf8 25.Nd5! Ne6 (25...Bd5 26.Qf6 Double attack) 26.Qf6 Kh7 27.Ng5 Ng5 28.Qg5 Bd5 29.Bd5 Rd8 30.Qd8 (30.Bf7 Rd6 31.Rg1 Nh4 32.Qh4 g5 33.Qg5 Rd1 34.Kd1 Kh8 35.Qg7) 30...f6 31.Qd7 (31.Rg1 Nh6 32.Qe7 Kh8 33.Qf6 Kh7 34.Qg6 Kh8 35.Qh6) 31...Ne7 (31...Kh6 32.h4 Ne3 33.Qd8 Ng2 34.Kd1 g5 35.Qf6 Kh7 36.hg5 Nh4 37.Rh4) 32.Qe6 (32.Bg8 Kh6 33.Qh3 Kg7 34.Qh7 Kf8 35.Qf7) 32...g5 (32...Nd5 33.Qd5 Kh6 34.Qg8 g5 35.h4 Kh5 36.Qh7 Kg4 37.Rg1 Kf3 38.Qf5) 33.Qe7 (33.Be4 Kh6 34.Qf6 Kh5 35.Qh8 Kg4 36.Rg1) 33...Kg6 (33...Kh6 34.Qf6 Kh7 35.Rg1 g4 36.Be4 Kg8 37.Rg4) 34.Qe6 (34.Qe6 Kh6 35.Qf6 Kh7 36.Rg1 g4 37.Be4 Kg8 38.Rg4; 34.Bf7 Kh6 35.Qf6 Kh7 36.Qg6 Kh8 37.Qh6) 1-0. opperwezen (2675) - Kingscrusher_YouTube (2435), lichess.org, 2018.

6.d4 h6 7.gh6 Rh6=.

6.e3 0-0 7.Be2 f6 8.h4 fg5 9.hg5 e5 10.e4 (10.Nc3 Qg5 11.Nf3 Qf6+=) 10...Qg5 11.Bc4 (11.Nf3!? Qf6 12.Nc3=+) 11...Kh8 12.Nc3?? (12.Be2 Ne6 13.Nf3 Qf6-/+) 12...d6 (better 12...Qg2 13.Qe2 Qh1 14.0-0-0-+) 13.Qe2?? (13.Be2 Qf4 14.Bf3 Qf7-/+) 13...Bg4 (better 13...Qg2 14.Rh4 Qg1 15.Qf1 Qf1 16.Kf1 Be6 17.Be6 Ne6-+) 14.f3-/+ Bh5 15.0-0-0 Qf6 16.Rh3 Nc6 17.Nd5 Qd8 18.c3 a5 19.b5 Ne7 20.Ne3 c6 21.Ng4 d5 22.ed5 cd5 23.Bd3 e4! 24.fe4 Rf4 25.Rh5 gh5 (25...Nh5 26.Ne5-+) 26.Nh6? (better 26.Ne5 Qd6 27.ed5 Nd5 28.Nh3=) 26...Qd6 27.ed5? (27.Nh3 Qh6 28.Nf4 Qf4 29.ed5 Re8-+ (worse 29...Nd5 30.Rf1 Qg4 31.Qe4 Qe4 32.Be4=+)) 27...Nd5 (27...Rf6 28.Nf3 Rh6 29.Ng5-+) 28.Bc4 Qh6?? (better 28...Rf6 29.Qd3 Rd8-+ (29...Rh6?! 30.Bd5 Rf6 31.c4-/+)) 29.Bd5-/+ Re8 30.Qh2 Qd6 31.Nh3 Rf6?? (31...Qa3 32.Kb1 Rf5 33.Qg2-/+) 32.Qg2?? (better 32.Qd6 Rd6 33.Bb7+=) 32...Rg6 33.Ng5? (better 33.Qh1!? Rg3 34.Bb7-/+) 33...Rg5!-+ 34.Qg5 Re5 35.Qf4 Rd5 36.Qf7? (36.Qa4 Qb6 37.Qf4 h6-+) 36...Rf5 (better 36...Qa3 37.Kb1 Rb5 38.Kc2 Rb2 39.Kd3 Qd6 40.Ke4 Qg6 (40...Rd2 41.Rd2 Qc6 42.Kf4 Qh6 43.Kf3 Qc6 44.Kf2+/-) 41.Qg6 hg6-+) 37.Qb7 Rf8 38.Kb2 (38.Rg1 Nf5-+) 38...h4 (better 38...Rb8!? 39.Qa7 Rb5 40.Ka1 h6-+) 39.Qe4 h3 40.Rh1?? (40.d4 h2-+) 40...h2 (better 40...Qd2 41.Kb1 Qg2-+) 41.Qe2-/+ h5 42.Rh2 Rf5 43.Rh4 (43.a4 Re5 44.Qg2 Re8=+) 43...Qf6 44.Rd4 Kh7 45.a4 Re5 46.Qd3 Qf5 47.Rd6 (47.c4 Ne6 48.Qf5 Rf5 49.Rd7 Kg6=) 47...Qd3 48.Rd3 Re4 49.Rh3 Ra4 50.Rh5?? (better 50.d4 Rc4 51.Kb3=+) 50...Nh5-+ 51.Kb3 Re4 52.b6 (52.d4 Re3 53.Kc4 Nf6-+) 52...Re6 53.b7 Rb6 54.Ka4 Rb7 55.Ka5 Rd7 (55...Nf4 56.Ka4-+) 56.Ka6 (56.d4 Nf4 57.Kb6 Ne2-+) 56...Rd2 57.c4 Rc2 58.Kb6 (58.Kb5 Ng3-+) 58...Rc4 59.Kb5 Re4 60.Kc5 Ng3 61.Kd5 Kg6 62.Kd6 Kf5 63.Kd5 Kf6 64.Kc5 Ke5 (64...Ke5 65.Kc6 Rc4 66.Kb5 Rc1 67.Kb4 Ne4 68.Kb3 Rc3 69.Ka2 Kd4 70.Kb1 Nd2 71.Kb2 Nc4 72.Kb1 Kd3 73.Ka2 Kc2 74.Ka1 Ra3) 0-1. is_er_nog_hoop (2625) - NTDVAN (2725), Rated bullet game, lichess.org, 2020.

6.e3 d5 7.Ne2 e5 (7...Nc6 8.Nbc3=+) 8.Ng3 Be6 9.h4 (9.Bg2 c6=+) 9...a5 10.h5? (better 10.b5!?=+) 10...ab4-/+ 11.hg6 (11.c3 Nc6 12.cb4 Qg5-+) 11...fg6-+ 12.Bh3? (better 12.c3-+) 12...Nc6 13.Be6 (13.c4 dc4 14.Be6 Ne6-+) 13...Ne6 14.Qg4 Qe7 (14...Ng5 15.d3-+) 15.d3 (15.Qf3 Ra5 16.Qf6 Qf6 17.gf6 Kf7-+) 15...0-0-0 (better 15...Ng5!? 16.Nd2-+) 16.Nd2 Kb8 17.a3 (17.Nf3 Nc5-+) 17...Ng5 (17...e4 18.de4 ba3 19.0-0 Ng5 20.f4 Ne4 21.Nge4 de4 22.Nc4-+) 18.ab4 Nb4 (better 18...e4 19.d4 Nb4 20.Ra4-+) 19.Ke2 (19.Ra4 Na6 20.0-0-+) 19...e4 20.de4 de4 (better 20...Nc2 21.Ra5 Qb4 22.Qg5 Qa5 23.Rh7 Qb5 24.Kd1-+) 21.Nge4 (21.Nde4 Nf7-+) 21...Ne4 22.Qe4?? (better 22.Ne4 Rhf8 23.Rhd1 Rd1 24.Rd1-+) 22...Qd6 (better 22...Rd2 23.Kd2 Qe4-+) 23.Nc4=+ Qc6 24.Qc6 Nc6 (24...bc6?? 25.Rab1 c5 26.c3+-) 25.Ra3 Rhf8 (25...b6 26.f4=+) 26.Rha1 (better 26.Rh7!? Rf5 27.Nd2=) 26...b6=+ 27.Nb2 Kb7 28.Nd3 Ra8 (28...Rfe8 29.c3-/+) 29.c4 (29.Ra8 Ra8 30.Rh1 h5=+) 29...Ra3-/+ 30.Ra3 Re8 31.Rb3?? (31.Kf3 Nd8-/+) 31...Ne5 (better 31...Nd4! 32.Kd2 Nb3 33.Kd1 Nc5-+) 32.Nc5? (better 32.c5=+) 32...Kc6-+ 33.Ne4 Nc4 34.Nf6 Re6 (34...Re7 35.Rb1-+) 35.Ng4? (better 35.Nh7!? b5 36.f4-/+) 35...Nd6 (35...b5 36.f3-+) 36.Nh2 (36.Rc3 Kb7-+) 36...Kd7 (36...b5 37.Nf3 Kb6 38.Rb1-+) 37.Rc3 (37.f4 b5-+) 37...h5 (37...g5 38.Rc1-+) 38.Rd3 (38.f4 c5-+) 38...c5 39.Nf3 b5 40.Rd2 (40.Rd1 Kc6-+) 40...c4 (better 40...b4 41.Ng5 Re7 42.Nh3-+) 41.Ne1 (41.Nd4 Re5 42.Ra2-+) 41...b4 42.Rd4 (42.Nf3 b3 43.Rd1 c3-+) 42...Kc6 43.Nf3 Kc5 44.Kd1 (44.Nd2 Re5 45.Rf4 Rf5-+) 44...Re4 (44...Ne4 45.Kc1 Nf2 46.Nd2-+) 45.Rd2 c3 46.Nd4 (46.Rc2 Re8 47.Nd4-+) 46...cd2 47.Nb3 Kc4 48.Nd2 Kd3 49.Ne4 Ke4 50.Kc1 Ke5 51.Kd2 Kd5 52.f4 Ne4 53.Ke2 (53.Kd1 h4 54.f5 gf5 55.Ke2 h3 56.Kd1 Kc4 57.Ke1 h2 58.Ke2 Kd5 59.Kd1 h1Q 60.Kc2 Qg2 61.Kb3 Kc5 62.Ka4 Qa2) 53...Nc5 (53...h4 54.f5 gf5 55.Kd1 h3 56.Kc2 h2 57.Kb2 Kc4 58.Kc1 h1Q 59.Kc2 Nc3 60.e4 Qd1 61.Kb2 Qb1) 54.Kf3 Nb3 (54...b3 55.Kg2 b2 56.Kg3 Ne4 57.Kg2 b1Q 58.f5 Qa2 59.Kh3 gf5 60.Kh4 Qh2) 55.f5 Nc5 (55...gf5 56.Ke2 Nc5 57.Kd2 h4 58.Ke2 b3 59.e4 fe4 60.Ke3 h3 61.Ke2 b2 62.Kd1 b1Q 63.Ke2 Nd3 64.Kd2 h2 65.Ke3 Qe1) 56.f6 Ke6 57.f7 Kf7 58.Kf4 Kf6 (58...Kf6 59.e4 b3 60.e5 Kf7 61.Ke3 b2 62.e6 Ne6 63.Ke2 b1Q 64.Ke3 Qc2 65.Kf3 Qd2 66.Ke4 Ng5 67.Ke5 Qd3 68.Kf4 Ne6 69.Ke5 Qd4) 0-1. Lance5500 (2485) - JonahK (2595), lichess.org, 2016.

6.e3 d5 7.h4 Bf5 (7...h6 8.Qf3+=) 8.Bh3 (8.Nc3 h6 9.Bg2 c6+=) 8...Qd7 (8...h6 9.Nc3+=) 9.a4 (9.Nc3 h6=) 9...Nc6 (9...h6 10.Bg2+=) 10.b5 Ne5 11.Na3 h6 (11...Qd6 12.Bf5 Nf5 13.h5+=) 12.d4= Nc4 (12...Ng4 13.c4+=) 13.Nc4 dc4 14.Qf3 Rb8 15.c3 a6 (15...Kd8 16.Bg2 hg5 17.hg5 Rh1 18.Bh1+/-) 16.Rb1+= a5 17.Bf5 (17.e4 Bh3 18.Nh3 Rd8+=) 17...Nf5 (17...Qf5 18.Qf5 Nf5+=) 18.Qf4 (better is 18.h5!?+=) 18...hg5+= 19.Qg5 Rh5 20.Qg4 Qd6 (20...c5 21.Ne2 cd4 22.cd4+=) 21.Ra1 (21.e4 Qa3 22.Ne2 Ng7=) 21...e5 (21...c5 22.bc6 Qc6 23.e4+=) 22.Nf3 ed4 23.ed4 Qd5 24.Kf1 (24.Kd2 Kd8=) 24...Kf8 (24...Kd7 25.Re1 Re8 26.Re8 Ke8 27.Ke2+=) 25.Re1 Re8 26.Re8 (26.Qf4 b6=) 26...Ke8 27.Kg2 (27.Ke2 Kd8 28.Qf4 Nd6+=) 27...Kf8 (27...Kd8 28.Kh2-/+) 28.Kh3?? (better is 28.Qf4+=) 28...Rh4-+ (28...Rh4 29.Kg2 Rg4 30.Kf1 Qf3 31.Rh8 Ke7 32.Re8 Ke8 33.Ke1 Rg1 34.Kd2 Qf2) 0–1. Valente,Hector Manuel (1785) – Sammartino,Gabriel (1935), Club Argentino de Ajedrez – Torneo Abie, 2013.

6.e3 e6 7.f4 Nc6 8.a3 b6 9.Nc3 Bb7 10.Bg2 a6 11.Ne4 Nh5 12.Bf3 d5 13.Bh5 (better is 13.Nf2!? Ng7 14.Ng4+=) 13...de4+= 14.Bg4 h5 15.Bh3 Qe7 16.Bg2 Na7 (16...e5!?+=) 17.Ne2 0-0-0 18.Ng3 e5 19.Qe2 Rde8 (19...ef4 20.ef4 Rhe8 21.Qe3+=) 20.0-0-0 (20.Ne4 ef4 21.Nf6 Qe5 22.Bb7 Kb7 23.Qg2 Nc6=) 20...Kb8 (20...ef4 21.ef4 f5 22.Qe3+=) 21.h4 (better is 21.Be4 Be4 22.Ne4 ef4 23.Nf6=) 21...Bc8?? (better is 21...Nb5 22.Be4 Na3=) 22.Ne4+/- (22.Be4?! ef4 23.ef4 f5 24.gf6 Qf6=) 22...Nb5 23.Qd3 Rd8 24.Qb3 Bb7 25.c4 Na7 26.Qc2 b5 27.c5 Qe6 28.Rh2 Bd5 29.Re1 Bb3 30.Qb2 Rd3 31.Qe5 Qe5 32.fe5 Nc6 33.e6! fe6? 34.Nf2 Rd7? 35.Bc6 Rf7 36.Kb2 Bc4 37.d3 Bd5 38.Bd5 ed5 39.Nh3 Re8 40.Nf4 d4?? 41.Nd5 c6 42.Nf6 Ree7 43.Rhe2 de3 44.Re3 Ra7 45.Re8 Kb7 46.R1e7 Re7 47.Re7 Ka8 48.Ra7 Ka7 49.Kc3 1–0. Cruz Ramirez,Nauzet – Moreno Sanchez,Jose Gabriel, Gran Canaria op 3rd, 2009.

6.e3 e6 7.h4 Qe7 8.c3 (8.Nc3 h6 9.Qf3 d5=) 8...Nc6 (8...h6 9.Qf3=+) 9.Bg2 d5 10.d4 Bd7 11.Nd2 f6 (11...h6 12.Ngf3=) 12.Ngf3 0-0-0 13.a4 (13.b5 Nb8 14.Qb3 Be8+/-) 13...e5 (better is 13...Ne8=) 14.Nb3 (better is 14.gf6!? Qf6 15.b5+/-) 14...Bg4 (better is 14...e4!? 15.Nfd2 fg5=+) 15.b5+= Nb8 16.a5 (better is 16.gf6 Qf6 17.de5+=) 16...e4-+ 17.a6 (17.b6 a6 18.bc7 Kc7 19.Rb1 ef3 20.Bf3=+) 17...b6 (17...ef3?! 18.ab7 Kb7 19.Bf3 Bf3 20.Qf3=; 17...Bf3?! 18.ab7 Kb7 19.Bf3 ef3 20.Nc5 Kc8 21.Ra7+=) 18.Rc1 Bf3 (18...fg5!? 19.c4 dc4 20.Rc4-+) 19.Bf3 ef3 20.Qf3 fg5 21.c4 Qb4 22.Nd2 Rhf8 23.Qg4 Nd7 24.Qg5? Nf5 25.h5 gh5 26.Rh5? Nd6 27.Qd5 Rg8?? 28.Kf1?? Qd2-+ 29.Qc6 Qc1 30.Ke2 Qc2 31.Kf3 Rdf8 (32.Rf5 Rf5) 0–1. slavisa11 – SoulessTeenWitch, Live Game Caissa's Web, 2004.

6.e4 d5 7.Qf3 de4 8.Qe4=.

6.e4 e6 7.c4 (7.Nf3!?=) 7...Qg5=+ 8.Nh3 (8.Nc3 d6=+) 8...Qf6 (8...Qe7 9.a3-/+) 9.Nc3 Nc6 10.Nb5 (better is 10.a3-/+) 10...Qe5 (better is 10...Kd8!?-/+) 11.Bg2=+ a6?? (better is 11...Kd8 12.d4 Qf6=+) 12.f4+- Qf6 13.Nc7 Ke7 14.Na8 Kd8 15.Nb6 Nd4 16.0-0 e5 17.Nc8 Kc8 18.fe5 Qe5 19.Nf4 f6 20.Rc1 Kb8 21.Ne2 Nde6 22.d4 Qg5 23.d5 Nf8 24.Ng3 h5 25.Qf3 h4 26.Qf6 Qe3 27.Qf2 Qf2 28.Rf2 hg3 29.hg3 Nh5 30.Rf3 g5 31.Kf2 g4 32.Rf5 Ng6 33.Rg5 Ne7 34.Rg4 Kc7 35.Ke3 d6 36.b5 Nf6 37.Rf4 Ne8 38.ba6 ba6 39.Rb1 Rh2 40.Kf3 Ng6 41.Rf7 Kc8 42.Kf2 Rh8 43.Rfb7 Nc7 44.Rb8 Kd7 45.Rh8 Nh8 46.Bh3 Ke7 47.Rb7 1–0. coloplayah (2015) – nicoleskywalker (1910), net–chess.com, 2005.

6.Nf3 a5 7.b5 0-0 8.d4 c5 9.dc5 b6 (9...Ne6!?+=) 10.cb6+/- Qb6 11.Nc3 Bb7 12.Bg2 (better 12.e4+/-) 12...d5? (better 12...Qc5 13.Nb1 Qb5=) 13.Nd5+- Bd5 14.Qd5 Ra7 15.c4 Rd7 16.Qe5 f6 17.Qe3 Nf5 (17...Qe3 18.fe3 fg5+-) 18.Qb6 1-0. fireheart92 (2780) - ajedrez2021 (2785), Rated Bullet game, lichess.org, 2021.

6.Nf3 a5 7.b5 b6 8.Qc1 Bb7 9.Bg2 d6 10.Qb2 e5 11.d3 Ne6 12.Nbd2 Ng5 13.Rg1 (13.Ne5 Bg2 14.Nc6 Nc6 15.Qh8 Ke7 16.Qd8 Rd8=) 13...Ne6 (better 13...Nf3!? 14.Bf3 Bf3 15.Nf3 Rg8=+) 14.Ne5+= Bg2 15.Nc6 Bc6 16.Qh8 Ke7 17.Qd8 Kd8 18.bc6 Nc6 19.c3 a4 20.d4 d5 21.e4 Nf4 22.Rg4 Nd3 23.Ke2 Nb2 (23...h5!? 24.Rh4 g5+/-) 24.ed5 Ne7 25.c4 b5 26.cb5 Nd5 27.Rh4 (27.Rg3 Nf4 28.Kf3 Nfd3+-) 27...Kd7? (better 27...h5+/-) 28.Rh7+- Re8 29.Kf1 Re7 30.Re1 Nc3 31.a3 (better 31.Nf3 Re1 32.Ke1+-) 31...Nb5?? (better 31...Re1 32.Ke1 Ke6+/-) 32.Nb1 (better 32.Rb1+-) 32...Nc4 (32...Nd4 33.Re7 Ke7 34.Nc3+=) 33.Re7 (33.d5!?+/-) 33...Ke7+= 34.Rh3 Nd4? (34...Ke6 35.Nc3 Nca3 36.d5 Kd6 37.Na4 Kd5 38.Rf3+=) 35.Rh4 (better 35.Rc3 Nb2 36.Rc7 Ke6 37.Rb7+-) 35...c5+= 36.Nc3 Na3 37.Na4 Nc4? (better 37...Nb3=) 38.Nc5+- Nd2 39.Kg2 Ne6 40.Ne6 Ke6 41.Rd4 Nb3 42.Rb4 Nc5 43.h4 Nd7 44.Ra4 Nf6 45.Ra6 Kf5 46.Kg3 Nh5 47.Kf3 Nf6 48.Ra5 Ke6 49.Kf4 Ke7 50.Kg5 Kf8?? (better 50...Ne4 51.Kh6 Nd6+-) 51.Kf6 Kg8 52.Ra7 Kh7 (52...g5 53.hg5 Kh7 54.Rf7 Kh8 55.Rf8 Kh7 56.g6 Kh6 57.Rh8) 53.Rf7 Kh6 54.f3 Kh5 (54...g5 55.hg5 Kh5 56.Rh7) 55.Rh7 1-0. fireheart92 (2770) - ukchessbomber (2705), Rated Bullet game, lichess.org, 2021.

6.Bg2 c6 7.Qc1 d5 8.Qb2 0-0 9.h4 Nh5 10.e3 Bg4 11.Nf3 Nd7 12.Nc3 a5 13.a3 ab4 14.ab4 Ra1 15.Qa1 Nb6 16.Ne2 Nc4 17.d3 Nd6 18.Ne5 Be2 19.Ke2 f6 20.Ng4 Nf5 21.e4 de4 22.de4 Nd4 23.Kf1 Nc2 24.Nh6 Kg7 25.Qb1 Qd3 26.Kg1 Nf4 27.Bf1 Ne2 28.Be2 Qe2 29.Rh3 fg5 30.hg5 Qf2 31.Kh1 e5 32.Ng4 Qe2 33.Qg1 Rf1 34.Nf6 Rg1 35.Kg1 Qe1 36.Kg2 Ne3 37.Kh2 Qf2 38.Kh1 Qg2 0–1. Adamkosh (1950) – dharmg (1780), lichess.org, 2019.

6.Bg2 c6 7.c4 e5 8.h4 d6 (8...h6 9.gh6 Rh6 10.Nf3=+) 9.Nc3 Be6 10.d3 Qb6 (10...0-0 11.b5=) 11.Qd2 (11.Rb1 Nd7=) 11...Bf5 (11...0-0 12.Nf3=) 12.Rb1 Nd7 (12...Ne6 13.b5 Qd8 14.Be4+=) 13.b5 Qc7 (13...c5 14.a4+=) 14.bc6+/- bc6 15.Nb5 cb5 16.Ba8 bc4 17.e4 c3 18.Qc2 0-0 19.ef5 (19.Bd5 Nb6 20.Rb6 Qb6 21.ef5 Rb8+/-) 19...Ra8 20.fg6 hg6 (20...fg6 21.Ne2+=) 21.Ne2 Qc6 (21...Rc8 22.Rb3+/-) 22.Rg1 (22.Rh2 Rc8 23.Rb3 Ne6 24.Qc3 Ndc5+=) 22...Rc8+= 23.Rb3 Nf5 24.Rc3 (24.Qc3 Nd4 25.Qc6 Rc6 26.Nd4 Rc1 27.Ke2 Rg1+/-) 24…Nd4= ½–½. Slater – Tomlin, 1947.

6.Bg2 Nc6 7.b5 Nd4 8.a4 e5 9.e3 Qg5 10.Kf1 Nde6 11.h4 Qe7 12.Nf3 0-0 13.c4 c6 14.Nc3 Nc5 15.d4 e4 16.Ne5 d6 17.Nf7 Qf7 18.dc5 Qf2 0–1. Adamkosh (1875) – klemen7 (1885), lichess.org, 2019.

6.Bg2 Nc6 7.h4 d5 (7...Nb4!? 8.Nc3 0-0-/+) 8.a3 e5 9.Nf3 (9.c4!? dc4 10.Bc6 bc6 11.Qa4=) 9...e4=+ 10.Nh2 Bf5 11.e3 Ne7 (11...h6 12.f4=+) 12.Ng4 c6 (12...Ng8!?=+) 13.Nf6+= Kf8 14.Bh3 (14.f3!? ef3 15.Qf3 Bc2 16.Nc3=) 14...h6=+ 15.Bf5 (15.Bg2!?=+) 15...Nef5-/+ 16.Nc3 (16.Ke2!?-/+) 16...hg5-+ 17.Ng4 gh4 18.Qe2 White prepares b5 18...Qg5 19.0-0-0 (19.b5 Ke8-+) 19...a5 20.b5 c5?? (better 20...Qe7 21.Nb1 Nd6 22.bc6 bc6-+) 21.Nd5-/+ Ng3 (21...Nd6 22.Ngf6-/+) 22.fg3 (better 22.Qc4 Rc8 23.fg3 Qg4 24.gh4+=) 22...Qd5-/+ 23.c4 Qg5 (23...Qe6 24.Rh4 Rh4 25.gh4-/+) 24.Rdf1 (24.gh4 Qe7=) 24...f5=+ 25.gh4 Qg4?? (better 25...Rh4 26.Rh4 Qh4-/+) 26.Qg4+- Ke7 (26...Kf7 27.Rhg1 Rh6 28.Qe4+-) 27.Qg5 Kf7 28.Rhg1 Rh6 29.Rf5! gf5 (29...gf5 30.Qg7 Mate attack; 29...Nf5 30.h5 Decoy) 30.h5 (30.Qg7 Ke8 31.Qh6 Ra6 32.Rg8 Kd7 33.Rg7 Ke8 34.Qh8) 30...Ne6 31.Qf5 (31.Qh6 Ke7 32.Qh7 Kf6 33.Rg6 Ke5 34.Qd7 f4 35.Qe6) 31...Ke7 32.Rg6 (better 32.Qe4 Rd8 33.Qb7 Rd7 34.Qe4+-) 32...Kd6 (32...Rg6 33.hg6 Rf8 34.Qe4 Kf6 35.Qb7 Kg6+-) 33.Qe6 Kc7 34.Qe7 (34.b6 Kd8 35.Rg8) 34…Kb8 (34...Kb8 35.b6 Rg6 36.Qd8). Gehaktbalmetjus (2060) - Hh_ss (2025), Rated Bullet game, lichess.org, 2020.

6.Bg2 d5 7.Qc1 c6 (7...Ne6 8.c4=) 8.Qb2 (8.Nf3 h6=) 8...0-0 (8...f6 9.Nf3=) 9.Nf3 a5 (9...Bg4 10.Ne5 Bf5 11.d4=+) 10.a3 (10.b5 Ne6=) 10...ab4 11.ab4 Ra1 12.Qa1 Qd6 (12...Bg4 13.0-0=+) 13.Qa3 (13.Qb2 Bg4=) 13...Bf5 14.Nd4 (14.b5 Bc2 15.Qd6 ed6=+) 14...Bd7 (14...e5 15.Nf5 Nf5 16.Qb2=+) 15.h4 (15.b5 c5 16.Nb3 Ne6=) 15...e5=+ 16.Nb3 e4 (16...Ne6 17.b5 c5 18.Nc3=+) 17.Nc5 (17.b5 Qf4=) 17...b6=+ 18.Na4 (18.Nd7 Nd7 19.b5 Nc5=+) 18...b5 (18...Na6 19.0-0 Nb4 20.Nb6=+) 19.Nc5= Nh5 (19...Ne6 20.Qe3=) 20.e3 (20.Qe3 Bg4 21.Nc3 d4 22.N3e4 Qc5 (< 22...de3 23.Nd6 ef2 24.Kf2+-) 23.Nc5 de3 24.de3 f6=+) 20...f6 (20...f5 21.d3=+) 21.Qb3 Rf7 22.Nc3 Qe5 23.d4 Qe7 24.Nd5 cd5 25.Qd5 Bc6 26.Qe6 Qe6 27.Ne6 Bd5 28.Nc5 f5 29.Nd3 Ra7 30.Kd2 Nd7 31.Rb1 Nb6 32.Ne5 Nc4 33.Nc4 Bc4 34.Bf1 Bf1 35.Rf1 Kf7 36.Rc1 Rc7 37.Ra1 Ke6 38.Ra5 Rb7 39.Ra8 Kd5 40.Kc3 f4 41.Rd8 Ke6 42.Re8= Re7 43.d5 Kf7 44.Re7 Ke7 45.Kd4 fe3 46.fe3 Kd6 47.c4 bc4 48.Kc4 Ng3 49.b5?? Nf5-+ 50.b6 Ne3 51.Kd4 Nf5 52.Ke4-/+ Nh4 53.Kd4? Nf3 54.Kc4 Ng5 55.Kb5 Nf7 56.Ka6 Nd8 (57.Ka7 g5-+; 56...Kd5?? 57.b7 h5 58.b8Q+-) 0–1. Dutton,Warren Richard – Goldenberg,Danny (2270), CAN–ch U18 Winnipeg, 1997.

6.Bg2 d5 7.Nc3 c6 8.e4 d4+=.

6.Bg2 d5 7.e3 e5 8.h4 (8.d3 h6+=) 8...Be6 (8...h6 9.f4+=) 9.Ne2 (9.d4 e4=) 9...c6 10.d4 e4 11.Nf4 Qd7 (11...h6 12.gh6 Rh6 13.h5+=) 12.Qd2 (12.c4 Bg4 13.Qa4 Ne6 14.Nd5 cd5 15.Qd7 Nd7 16.cd5 Nd8=) 12...Na6 (12...h6 13.gh6 Rh6 14.c4+=) 13.a4 (13.c4 h6=) 13...0-0 (13...h6 14.c4=) 14.Ne6 (14.c4 f6=) 14...Ne6 (14...fe6 15.Bf1+=) 15.c3 (15.Bf1 Nac7+=) 15...Qd6 (15...Rad8 16.Bf1+=) 16.Na3 (16.b5 cb5 17.ab5 Nac7=) 16...Nac7 (16...f6 17.h5+=) 17.c4= f5 18.c5 (18.gf6 Rf6 19.h5 g5+=) 18...Qd7 (18...Qe7 19.Bh3+=) 19.Qe2 (19.h5 Ng5 20.hg6 hg6+=) 19...f4+= 20.Qg4 (20.Bh3 Qe7+=) 20...Qf7 (20...Nc5 21.Qd7 Nd7 22.Rc1-/+) 21.0-0-0 (21.Nc2 Rae8+=) 21...Ng7 (21...a5 22.b5 fe3 23.fe3 cb5 24.Nb5-/+) 22.Rdg1 (22.Kd2 Nce6-/+) 22...Nh5 (22...a5!? 23.b5 cb5 24.Nb5 Nb5 25.ab5-/+) 23.Bh3 (23.Bf1 Qe7-/+) 23...Rae8 (23...a5 24.b5+=) 24.Qg2 b6 (24...f3 25.Qh2+=) 25.Bg4 bc5 (25...f3 26.Qh2=) 26.bc5= Rb8 (better is 26...f3 27.Qh2 Rb8=) 27.Qh3 (27.Bh5 f3 28.Qg3 gh5+/-) 27...Kg7 (better is 27...Rb3 28.Nc2 Rfb8-/+) 28.Bd7? (better is 28.Nc2+=) 28...Rb3-+ 29.Nb5? (29.Nc2 fe3 30.Ne3-+) 29...cb5 (29...Nb5?! 30.ab5 fe3 31.fe3-+) 30.Kc2 (30.Rf1 ba4 31.Ba4 Ra3-+) 30...ba4 31.Ba4 Rb4 (31...Rd3!? 32.Rf1-+) 32.Qd7 Qd7 (32...fe3 33.fe3 Qd7 34.Bd7 Rf2 35.Kc1-+) 33.Bd7 Rfb8 (better is 33...fe3 34.fe3 Rf2 35.Kc1-+) 34.Rb1 Rb1 35.Rb1 Rb1 36.Kb1 f3 (36...fe3 37.fe3 Ng3 38.Bh3-+) 37.Kc2 h6 38.Kb3 hg5 39.hg5 a6 (better is 39...Kf7!? 40.Ka4-+) 40.Ka4 (40.Kb4 Kf7-+) 40...Kf7 41.Ka5 Ng7 (41...Ke7!? 42.Bc8-+) 42.Kb6 Nge6 43.Be6 (43.Kc6-+) 43...Ne6 (43...Ke6?? 44.Kc7 a5 45.c6+-) 44.c6 Ng5?? (better is 44...Ke7 45.Ka6 Kd6-+ (45...Ng5?? 46.c7+-)) 45.Kc7 (better is 45.c7 Nh3 46.c8Q Nf2 47.Qc7 Kf8 48.Qd6 Kg7 49.Qe5 Kf8 50.Qf6 Kg8 51.Qg6 Kf8 52.Qd6 Ke8 53.Qd5+-) 45...Ne6 46.Kb6 (46.Kd6 a5 47.Kd5-+) 46...g5 0–1. croach – bluewolf, net–chess.com, 2017.

6.Bg2 d6 7.d4 e5 8.de5 (better is 8.Nf3 e4 9.Nfd2=) 8...Nf5?? (better is 8...Qg5 9.Bd5 Qe5-/+) 9.ed6 Qd6 10.Qd6 cd6 11.Nd2 Nc6 12.Ngf3 (better is 12.Bc6!? bc6 13.e4+/-) 12...Nb4= 13.0-0 Nc2 14.Rac1 Nb4 15.a3 Nc6 16.Nc4 0-0 17.Bh3 (17.e4 Nfd4 18.Nd4 Nd4+=) 17...Rd8 18.Rfd1 Be6 19.Bf5 Bc4 20.Bd3 Bd3 21.Rd3 d5 22.Rcd1 Ne7 23.e4 Rac8 24.ed5 Rc4 25.d6 Nf5 26.h3 Re4 27.d7 Re2 (better is 27...Re7!?+/-) 28.Rc1 Re7?? (better is 28...Kf8 29.Rc7 Ke7 30.Rb7 a6+-) 29.Rc8 Red7 30.Rd7 Rc8+= 31.Rb7 Ra8 32.Ne5+/- Nd6 33.Rd7 Ne4 34.Rf7?? Ng5 35.Rb7= Nh3 36.Kh2 Ng5 37.Nd7 Ne6 38.Rb8?? Rb8-/+ 39.Nb8 Nc5 40.Nc6 a6 41.Nb4 Kf7 42.Kg3 Kf6 43.Kg4 h6 44.f4 h5 45.Kf3 Kf5 46.Kg3 Ne4 47.Kf3 a5 48.Nc6 Nd2 49.Ke2 Nc4 50.Ne7? Kf4 51.Ng6 Kg5 52.Ne7 h4 53.Kf3? Na3 54.Nd5 Nc4 55.Nc3 Nb2 56.Ne4 Kf5 57.Nc3? a4 58.Kg2 Kg4 59.Kh2 a3 60.Na2 Nd3 61.Kg2 Nf4 62.Kf2 h3 63.Kg1 Kg3 (64.Kf1 h2 65.Ke1 h1Q 66.Kd2 Qg2 67.Kc3 Qb2 68.Kc4 Qa2 69.Kb5 Qd5 70.Kb4 a2 71.Kc3 a1Q 72.Kb4 Nd3) 0–1. slavisa99 – dow, Live Game Caissa's Web, 2004.

6.Bg2 d6 7.h4 c6 8.a3 Nd7 9.f4 e5 10.Nh3 (10.fe5 Ne5 11.d4 Ng4=+) 10...Qe7 (10...Nf5 11.e4 Nh4 12.Qg4 Ng2 13.Qg2-/+) 11.Nc3 f6 (11...Nf5 12.b5 d5 13.h5=+) 12.0-0 (12.b5 d5=+) 12...f5 (12...fg5 13.hg5 ef4 14.Rf4-/+) 13.e3 d5 14.fe5 Ne5 15.Nf4 Ne6 16.Ne6 (16.b5!? Qd6 17.bc6 bc6 18.Rb1=+) 16...Be6-/+ 17.Ne2 (17.Qe1 h6 18.Qg3 Ng4-/+) 17...0-0-0 (17...h6 18.Nf4-+) 18.Nd4 (18.b5!?-/+) 18...h6-+ 19.Ne6 Qe6 20.Qe1 (20.b5 cb5 21.gh6 Rh6-+) 20...hg5 21.hg5 Qe7 22.Qg3 Ng4 (22...Nc4 23.Rf2-+) 23.Bf3 (23.b5 cb5 24.c3 Qg5-/+) 23...Qg5 (better 23...Nh2!?-+) 24.Bg4-/+ Qg4 (24...fg4 25.Rf4 Qh6 26.Qg4 Kb8 27.Qg2-/+) 25.Qg4 fg4 26.Rf4 Rdf8 (26...g3 27.Raf1-/+) 27.Kg2? (better 27.Rg4 Rh6 28.Rf1 Rh1 29.Kh1 Rf1 30.Kh2 Rf2 31.Rg2 Rg2 32.Kg2=) 27...Rf4-+ 28.ef4 Rf8 (better 28...Rh3!?-/+) 29.Kg3= Kd7 30.Re1 Re8 31.Kg4?? (better 31.Re8 Ke8 32.a4=) 31...Re1-+ 32.Kg5 Re2 33.Kg6 Rd2 34.f5 (34.c3 Rd3 35.a4 Rc3-+) 34...Rc2 35.f6 (35.a4 d4 36.f6 d3-+) 35...Ke8 (better 35...Rf2 36.b5 Rf6 37.Kf6-+) 36.f7 (36.Kf5 Ra2-+) 36...Kf8 37.Kf6 (37.Kf5 Ra2 38.Ke5 Ra3-+) 37...Rf2 (37...d4 38.Ke5 d3 39.Kd6-+) 38.Ke6 (38.Ke5 Ra2-+) 38...Rf7 (better 38...d4 39.Ke5 d3 40.Ke4 d2 41.Kd3 d1Q 42.Kc3 Rf3 43.Kb2 Qe2 44.Kc1 Rf1) 39.Kd6 (39.Ke5-+) 39...d4 40.Kc5 d3 41.b5 (41.Kc4 d2 42.Kb3 d1Q 43.Kb2 Qd2 44.Kb3 b5 45.a4 Rf3) 41...d2 42.bc6 (42.Kb4 d1Q 43.bc6 Qd4 44.Kb3 Rf3 45.Ka2 Rf2 46.Kb3 Rb2) 42...bc6 (42...Rf5 43.Kc4 b5 44.Kb3 d1Q 45.Kc3 Rc5 46.Kb4 Rc4 47.Kb5 Qa4) 43.Kc6 (43.Kc4 d1Q 44.Kc5 Qd5 45.Kb4 Rf3 46.a4 a5) 43...d1Q 44.Kb5 (44.Kc5 Rc7 45.Kb4 Qb1 46.Ka5 Qb6 47.Ka4 Rc4) 44...Qd6 (44...Qd5 45.Kb4 a5 46.Kc3 Rf3 47.Kc2 Qa2 48.Kd1 Rf1) 45.a4 (45.Kc4 Rc7 46.Kb3 Qb6 47.Ka2 Rc2 48.Ka1 Qb2) 45...Rf5 (45...Rf4 46.a5 a6) 46.Kc4 Qf4 (46...Qd5 47.Kb4 Rf3 48.a5 Rb3 49.Ka4 Qc4) 47.Kb3 (47.Kd3 Rd5 48.Kc3 Qe3 49.Kc4 Qd3 50.Kb4 a5) 47...Re5 (47...Qe3 48.Kc4 Rc5 49.Kb4 a5) 48.a5 (48.Kc2 Re3 49.Kd1 Qf2 50.a5 Re1) 48...Re3 49.Kc2 Qf2 50.Kd1 Re1 0-1. Gehaktbalmetjus (2025) - knightsforthewin (2025), Rated Bullet game, lichess.org, 2020.

6.Bg2 e5=+ 7.h4 h6 8.Nf3 (8.gh6 Rh6 9.d4 Rh4 10.Rh4 Qh4-/+) 8...e4 9.gh6 Rh6 10.Nd4 Rh4 11.Rg1 (better is 11.d3!?-/+) 11...d5 (11...Qg5 12.d3-+). Lukovski,Lev (2060) – Pruess,Martin, Leverkusen op, 2001.

6.Bg2 e6 7.h4 Nc6 8.b5 Ne7 9.d4 Nef5 (9...d5 10.Nf3=) 10.e3 (10.e4 Nd6+=) 10...d5= 11.Ne2 (11.Nf3 Bd7=) 11...Bd7 (11...h6 12.Nbc3=+) 12.a4 (12.c4 dc4 13.Bb7 Rb8=) 12...a6 (12...h6 13.c4 hg5 14.cd5 Nh4 15.Kd2 ed5 16.Bd5-/+) 13.Nd2 (13.ba6 Ra6 14.c4 Bc6 15.cd5 ed5= (< 15...Bd5 16.e4+/-)) 13...Qe7 (13...ab5 14.e4 Nd6 15.ab5 Ra1 16.Qa1 Bb5 17.Nc3=) 14.c3 (14.e4!? Nd6 15.e5+=) 14...ab5= 15.ab5 Ra1 16.Qa1 Bb5 17.Nf4 Bc6 18.Ke2 0-0 19.c4 dc4 20.Nc4? Bb5-+ 21.Kd3? Qb4 22.Rc1 Rd8 23.Bb7? e5 24.Nd5 Bc4 25.Rc4 Qb7 26.e4 Nd6 27.Rc7?? Qb3 28.Rc3 Qb5 29.Ke3 ed4 30.Kd4 Nb7 31.Ke3-+ Ne6 32.Nf6 Kh8 33.Nd7 Qd7 34.Rd3 Nd4! 35.Rd4 Qh3 36.Ke2 Rd4 37.Qd4 Kg8 38.Qb6 Qd7 39.Ke3 Nd8 40.Qb8 Kg7 41.Qb2 Kf8 42.Qh8= Ke7 43.Qf6 Ke8 44.Qh8 Ke7 45.Qf6 Ke8 46.Qh8 Ke7 ½–½. coloplayah (2145) – atlantan (2045), net–chess.com, 2006.

6.Bg2 e6 7.h4 d5 8.Nf3 Nc6 9.a3 Qd6 10.Qc1 Ne5 11.Nc3 0-0 12.Nb5 Nf3 13.Bf3 Qd7 14.Nc3 b6 15.a4 c5 16.b5 Bb7 17.a5 a6 18.ab6 ab5 19.Ra8 Ra8 20.0-0 Qc6 21.Qb1 Qb6 22.Qb5 Qb5 23.Nb5 Nf5 24.h5 Bc6 25.Nc3 Nd4 26.hg6 hg6 27.Bg2 Nc2 28.Rc1 Nd4 29.e3 Nb3 30.Rc2 c4 31.Ne2 Ra1 32.Kh2 Rd1 33.Bf3 Rd2 34.Rd2 Nd2 35.Bg2 Bb5 36.Nd4 Ba4 37.Ne2 Bd1 38.Nc3 Bf3 39.Bh3 Ne4 40.Na2 Ng5 41.Bf1 Be4 42.Kg3 Nf3 43.Be2 Nd2 44.Nc3 Kg7 45.f3 Bc2 46.Kf2 Nb1 47.Na2 Bb3 48.Nc1 Nc3 49.Bf1 f6 50.Ke1 e5 51.Kd2 Na4 52.Be2 Kf7 53.Bf1 Ke7 54.Ne2 c3 55.Nc3 Nc3 56.Kc3 Bc4 57.Bc4 dc4 58.Kc4 Kd6 59.Kd3 Kd5 60.Kc3 e4 61.f4 g5 62.Kd2 gf4 63.ef4 f5 64.Ke3 Kc4 65.Ke2 Kc3 66.Ke3 Kc2 67.Ke2 Kc1 68.Ke3 Kd1 69.Kd4 Ke2 70.Ke5 Kd2 71.Kf5 e3 72.Kg6 e2 73.f5 e1Q 74.f6 Qg3 75.Kh7 Qh4 76.Kg7 Qg5 77.Kf7 Ke3 78.Ke6 Qg4 79.Ke7 Qe4 80.Kd6 Qf5 81.Ke7 Qe5 82.Kf7 Kf4 83.Kg6 Qg5 84.Kf7 Kf5 0–1. Adamkosh (1865) – talkless80 (1930), lichess.org, 2019.

6.Bg2 h6 7.f4!?

6.Bg2 h6 7.h4 hg5 8.hg5 Rh1 9.Bh1.

6.Bg2 h6 7.gh6!?

6.h4 0-0 7.e3 d5 8.h5 Nh5 9.Rh5 (better 9.Be2!? Ng7 10.d4=+) 9...gh5-/+ 10.Qh5 Bf5 11.Ne2 (11.d3 Qd6 12.a3 a5 13.ba5 Ra5-+) 11...Bg6 12.Qh4 Qd6 (12...Bc2 13.Nd4 Bg6 14.f4-+) 13.Ng3 (13.d3 f6 14.Nbc3 c6-/+) 13...Qe5 (better 13...Bc2!? 14.Nc3 Nc6-+) 14.d4-/+ Qd6 15.a3 a5 16.Nc3? (better 16.b5-+) 16...ab4 (16...Bc2?! 17.b5-/+) 17.Nb5 Qb6 18.Bd3 (18.f4 Bc2 19.g6 fg6 20.Qe7 b3 21.Nc7 Qa5 22.Kf2 Nc6 23.Qe6 Kg7 24.Na8 A) worse 24...Qa8 25.Bb5 b2 26.Nh5 gh5 27.Rg1 Bg6 28.Bd3-+; B) 24...Ra8?! 25.Qd7 Kf8 26.Qd6 (26.Qh7?? b2 27.Qh8 Ke7 28.Qg7 Kd6-+) 26...Ke8 27.Qe6 Ne7 28.f5-+; C) 24...b2-+) 18...ba3 (18...Bd3 19.cd3 Qb5 20.Nf5-+) 19.Bg6?? (better 19.Nf5 Kh8 20.Qh6-+) 19...fg6 20.Nc3 (20.Ra3 Ra3 21.Na3 Qb4 22.Ke2 Qa3 23.Qg4 Qa6 24.Ke1 Qa5 25.Kf1-+) 20...Qb2 21.Nd5 Qa1 22.Ke2 Nc6 23.Ne4 Qb1 24.Kd2 a2 25.Qh6 a1Q 26.Nef6 ef6 27.Nf6 Rf6! 28.gf6 (28.gf6 Qd1 Mate attack) 28...Qa5 (28...Qd1) 29.Kd3 (29.Ke2 Qbe1 30.Kf3 Qf5 31.Qf4 Qh1 32.Ke2 Qc2) 29...Qd1 30.Ke4 Qf5 0-1. is_er_nog_hoop (2570) - AlphaTheBest (2595), Rated bullet game, lichess.org, 2021.

6.h4 a5 7.b5 c6 8.a4 0-0 9.e3 d5 10.Nf3 (10.Nc3 e5=) 10...Qd6 (10...Bg4 11.Rg1 Bf3 12.Qf3=) 11.c4 (11.Nc3 Bg4=) 11...e5 (11...cb5 12.ab5 dc4 13.Bc4=) 12.cd5 (12.d4 f6+=) 12...cd5 (worse 12...Qd5 13.Nc3 Qe6 14.d4 ed4 15.Qd4 cb5 16.Nd5+/-) 13.Nc3 Be6 14.Rc1 Nd7 15.Be2 Rac8 16.d3? (16.d4 Qa3 17.Qd2 e4-/+) 16...b6 (better 16...Qb4!? 17.Qd2 d4 18.ed4 ed4 19.Nd4 Qd4-+) 17.Qd2 (17.d4 Qa3 18.Qd2 Rc7=+) 17...Nc5 Black prepares e4 (17...d4 18.Ne4 Rc1 19.Qc1 Qb4 20.Qd2 Qa4 21.Qb2-/+) 18.Bd1 (better 18.Rb1=+) 18...e4?? (better 18...d4 19.ed4 ed4=+) 19.de4+/- Rfd8 20.ed5 Bd5 21.Nd5 (21.Qd5 Nd3 (worse 21...Qd5 22.Nd5 Nd3 23.Kd2 Nc1 24.e4+=) 22.Kd2 A) 22...Qd5 23.Nd5 Rc1 24.e4 (worse 24.Kd3 Rd5 25.Nd4 Ne6-/+) 24...Nf2 25.Kc1 Nh1 26.Ne5+/-; B) 22...Nc1?! 23.Qd6 Rd6 24.Kc1 Rc3 25.Bc2=+; C) 22...Qa3 23.Qd3 Rd3 24.Kd3 Qc1-+) 21...Qd5 22.Qd5 Rd5 23.Nd4?? (better 23.Ke2+-) 23...Nd3-+ 24.Kd2 Nc1 (24...Rc1?! 25.Kd3 Ne6 26.Kd2-/+) 25.Bf3? (25.Bc2 Nf5 26.Kc1 Nd4 27.ed4 Rd4-+) 25...Rdc5 (25...Nb3! 26.Ke1 Rc1 27.Ke2 Nd4 28.ed4 Rh1 29.Bd5 Rh4 30.Kd3-+) 26.Nc6 (26.Bb7 R8c7 27.Bc6 Na2-+) 26...Nb3 27.Ke2 Kf8 0-1. pacal56 (2295) - mecker (2170), Rated Blitz game, lichess.org, 2014.

6.h4 a5 7.Bg2 ab4-/+ 8.a3 ba3 9.Na3 0-0 10.c4 d6 11.Qc2 Nc6 12.d4? (better 12.Bc6 bc6 13.d4-/+) 12...Nd4-+ 13.Qd3 Nde6 14.Nf3 (14.Qe3 c6-+) 14...Nc5 (14...Nf4 15.Qd2 Ng2 16.Kf1 Nh4 17.Rh4-+) 15.Qc3 Bf5 16.Nd4 Qd7 17.h5 (17.Nf5 Qf5 18.Qe3 Nge6-+) 17...Nh5 18.Rh5 (18.Bb7 Nb7 19.Qf3-+) 18...gh5 19.Qf3 (19.Nb3 Nb3 20.Qb3 Qe6-+) 19...Bg6 (better 19...Be4 20.Bh3 Bf3 21.Bd7 Be2 22.Ke2 Nd7 23.Nf5-+) 20.Qd5 (20.Ndb5 c6 21.Bh3 Qd8-+ (21...cb5?! 22.Bd7 b4 23.Bb5-/+)) 20...e6 (better 20...Qg4!? 21.Ndc2 Bc2 22.Nc2 Ra1 23.Na1-+) 21.Qf3 e5 22.Ndb5 Qg4 (better 22...c6 23.Nc3 Qg4-+) 23.Qd5 (23.Qg4 hg4 24.Nc7-+) 23...c6 24.Qd6 (24.Qf3 Qf3 25.ef3 cb5 26.cb5 Ra5-+) 24...cb5 (better 24...Qg2 25.Qc5 Qg1 26.Kd2 Rfd8 27.Nd6 Qa1-+) 25.Bd5 (25.Kf1 Qc4 26.Qd2-+) 25...Nb3 (better 25...Qg1 26.Kd2 Qa1 27.Qc5 Ra3 28.Qa3 Qa3 29.f4-+) 26.Ra2 Qg1 0-1. Training88 (2320) - zsolti_83 (2475), Rated Bullet game, lichess.org, 2020.

6.h4 c5 7.bc5 Nc6 8.Bg2 0-0 9.d4 Nf5 10.e3 e5 11.d5 Nce7 12.c4 Qa5 13.Qd2 Qc5 14.Qd3 d6 15.Nf3 a6 16.e4 Ng7 17.Nc3 f5 18.0-0 fe4 19.Ne4 Qc7 20.Nf6 Kh8 21.Rfc1 Bf5 22.Qd2 b6 23.Ne1 Rac8 24.f4 Qa7 25.fe5 de5 26.Kh1 e4 27.Qe3 Rc5 28.Be4 Be4 29.Qe4 Nef5 30.Kg2 Qe7 31.Qe7 Ne7 32.Nf3 Nef5 33.Kf2 Ne8 34.Ne8 Re8 35.Rc3 b5 36.Rd1 Rc4 37.Rc4 bc4 38.d6 Rd8 39.Rd5 Rd6 40.Rc5 Rd8 41.Rc4 h6 42.Ra4 Ra8 43.gh6 Nh6 44.Ng5 Kg7 45.Ne6 Kf6 46.Nc7 Rc8 47.Na6 Nf5 48.Nb4 Ke5 49.Nd3 Kf6 50.Nf4 Rc2 51.Kf3 Rc3 52.Ke4 Ng3 53.Kd4 Rc6 54.Nd5 Kf5 55.Ne7 Kg4 56.Nc6 Kh4 57.Kd5 Kh3 58.Ne7 g5 59.Ng6 Ne2 60.Ne5 Nf4 61.Kd6 Kg3 62.Nf7 g4 63.Ne5 Kh4 64.Rf4 Kg5 0–1. Adamkosh (1900) – Sun_Fire (2005), lichess.org, 2019.

6.h4 Nc6 7.b5 Nd4 8.c4 d5 9.d3 (9.e3 Ndf5=) 9...c6 10.e3 Ndf5 11.e4 (better is 11.bc6!? bc6 12.Bg2=) 11...de4-/+ 12.de4 Qd1 13.Kd1 Nd4 14.Kd2 cb5 15.cb5 0-0 (better is 15...h6 16.gh6 Rh6=+) 16.a4?? (16.Nc3!?=) 16...Bg4?? (better is 16...Nb3 17.Kc2 Na1 18.Kb2 f6-+) 17.Nc3?? (17.Kc3 e5 18.Bc4 Rac8-/+) 17...Rfd8 18.Nd5? Nb3-+ 19.Ke3 Na1 20.Ne2 Be2 21.Be2 Nc2 22.Kf3 Nd4 23.Ke3 Ne2 24.Ke2 e6 25.Ne7 Kf8 26.Ng6 hg6 27.h5 Nh5 28.Kf3 Rac8 29.Kg4 Rd4 30.f3 Ra4 31.Rh5 gh5 32.Kh5 Rc3 (33.Kg4 Rb4-+) 0–1. galaxy5 – tnut10, Live Game Caissa's Web, 2004.

6.h4 d5 7.Bg2 c6 8.Nc3 a5 9.ba5 Ra5 10.a4 Nh5 11.e3 0-0 12.Bf3 Ng7 13.h5 e5 14.hg6 fg6 15.Bg4 (15.Qb1 Qg5 16.Qb4 Qd8-/+) 15...Qg5-+ 16.Bc8? (16.Be2-+) 16...Rc8 (16...Qg2 17.f4 Qh1-+ (17...Rc8?! 18.Qf3 Qf3 19.Nf3-/+)) 17.Nf3 Qf5 18.Nh4 Qe6 19.Qf3 (19.Qb1 Qe7-/+) 19...Rf8 20.Qg2 d4 21.Ne4 de3 22.de3 (22.fe3 Qd5 23.Ng6 hg6 24.Qg6+/-) 22...Qc4 (better 22...Na6-/+) 23.Rb1?? (23.Ng6 hg6 24.Qg6+/-) 23...Ra4 (23...Qc2!? 24.Rd1 Ra4 25.Nd2-+) 24.f3 Rb4 25.Rc1 Rf3?? (25...Rb2!?-+) 26.Qf3 (better 26.Nf3!? Qe4 27.Qg5=+) 26...Qe4-/+ 27.Qe4 (27.Qh3 Nd7!-/+) 27...Re4 28.Ke2 Nd7 29.Nf3? (better 29.Ra1!?-/+) 29...Nf5-+ 30.Ng5 Re3 31.Kf2 h6 (better 31...Nf6 32.Rhe1 Ng4 33.Kf1 h6-+) 32.Rh6 Nh6 33.Ke3 Kg7 34.Ne6 Kf6 35.Nd8 Nf5 36.Ke4?? (better 36.Ke2 Nc5 37.Rb1-+) 36...Nc5 37.Kf3 g5 (better 37...Ke7!? 38.Nb7 Nb7 39.Re1-+) 38.Ra1 (38.Kg4 Nd4 39.c3 Nb5 40.Rf1 Ke7-+) 38...Ke7 39.Ra5 b6 (39...Kd8 40.Rc5 b6 41.Rc3 Nd4 42.Ke4-+) 40.Ra8 Nd4 41.Kg4 Nce6 (41...Ne4!? 42.Rc8 Kd7 43.Ra8-+) 42.Ne6 Ke6 (42...Ne6?! 43.Ra6=+) 43.c3 (43.Ra2 e4 44.c3 Nf3-+) 43...Nb5 44.c4 (44.Rc8 Kd6 45.Rd8 Kc5-+) 44...Nd6 45.Ra4 Ne4 (45...Kf6 46.Rb4 b5 47.cb5 cb5 48.Rb1-+) 46.Rb4 Kd6 47.Rb6 Nd2 48.Rb4 Kc5 (48...e4 49.Rb8 e3 50.Re8 Nc4 51.Kf3-+) 49.Ra4 (49.Rb8 Nc4 (49...Kc4?! 50.Rd8 Nb3 51.Kf5=+) 50.Kg5 Nd6-+) 49...Nc4 50.Ra8 e4 51.Kg5 e3 52.Kf4 Kd4?? (52...Nb6 53.Ra1 Nd5 54.Kf3 Kd4 55.Rd1 Ke5-/+) 53.Rd8= Kc3 54.Kf3 c5 55.Ke2 Kc2 56.Rd3 Kb2 0-1. beatmeeasy (2030) - LucaSorin44 (2005), lichess.org, 2021.

6.h4 d6 7.d4 c5 (7...h6 8.Bg2=) 8.dc5+= dc5 9.Qd8 Kd8 10.b5 Bf5 (10...h6 11.Bg2=) 11.Bg2 Kc7 (11...Nd7 12.Bb7 Rb8 13.Bc6+=) 12.Nc3 Be6 13.a4 Nd7 14.a5 Nf5 (14...Rad8!?+=) 15.a6+/- b6 (better 15...Nd6!?+/-) 16.Ba8+- Ra8 17.e3 Ne5 18.0-0-0 (18.h5 gh5 19.Rh5 Rh8+-) 18...Nd6 19.f4 (19.h5!?+-) 19...Ng4+/- 20.Re1 Bc4 21.h5 Nb5 22.Nb5 Bb5 23.hg6 hg6 24.Rh7 Bc4 (24...Rf8!?=) 25.Nf3 Kd6 (25...Rf8 26.Rh4 Be6 27.e4+/-) 26.Nd2 Ba6 27.Rf7 Ke6? (better 27...Rg8!?+/-) 28.Rg7+- Bb7 29.Rg6 Kf7 30.f5 Rh8 (30...Bc8 31.e4 e6 32.Nc4 ef5 33.Rc6+-) 31.e4 a5 (31...Ne5 32.Re6 Nc6+-) 32.Re6 a4 33.g6 Kf8 (33...Ke8 34.Rb6 Bc8 35.Rg1+-) 34.Rb6 (34.g7 Kg7 35.Re7 Kf8 36.Rb7 Rh3+-) 34...a3 (34...Bc8 35.Rg1 a3 36.Nf1+-) 35.Rb7 1-0. BabaRamdev (2605) - Filiron, Casual Bullet game, lichess.org, 2019.

6.h4 h5 7.f4 d5=+ 8.Bh3 (8.Bg2 Qd6 9.e3 Bg4=+) 8...Bf5 (8...Bh3 9.Nh3 Qd6 10.Nc3-/+) 9.d3 d4 10.Qd2 0-0 11.Nf3 Bh3 12.Rh3 Nf5 13.c3 Nc6 (13...Qd6 14.Rh1=+) 14.cd4 (14.b5 Nb8=+) 14...Ncd4 (14...Nfd4 15.e3 Qd7 16.Rg3-/+) 15.Kf2 (better is 15.Ne5!?=+) 15...Nf3-/+ 16.Kf3 Qd5 (16...Qd4 17.Nc3-/+) 17.e4 Nd4 18.Kf2 (18.Kg2 Qd6-/+) 18...Qd7 19.Rh1 (19.Kg2 a5 20.ba5 c5-/+) 19...Qg4 (19...Nb3 20.ab3 Qd4 21.Ke2 Qa1 22.Qc3-+) 20.Nc3 Rad8 21.Nd5?? (better is 21.Raf1-/+) 21...e6 22.Nf6+- Kg7 23.Ng4 hg4 24.h5 Rh8 25.hg6 Kg6 26.Qc3 Rh1 27.Rh1 c6 28.Rh4 g3 29.Ke3 g2 30.Rg4 f5 31.Rg2 fe4 32.Ke4 Rd5 33.Rh2 Nf5 34.Qf6 1–0. bentengutama (2170) – ctrotter (2265), net–chess.com, 2003.

6.h4 h5 7.Bg2 d5=.

6.h4 h5 7.Bh3 d6 8.Bc8 Qc8 9.c4 e5 (9...Nc6 10.Qc2=+) 10.Qb3 0-0 11.Nc3 c6 12.0-0-0 (12.Ne4 Qe6=) 12...a5 13.a3 (13.b5!?=+) 13...ab4 14.ab4 (14.Qb4 d5-/+) 14...Na6 (14...Qg4 15.Nf3-/+) 15.d4 (15.d3 Qe6-/+) 15...ed4 16.Rd4 Qe6 (16...Nb4 17.Nf3-/+) 17.Re4 (17.Kd2 b5 18.Nf3 bc4 19.Rc4 d5-/+) 17...Qf5-/+ 18.f3 Rfe8 (18...Ne6 19.Nd1 Nac5 20.bc5 Nc5 21.Qe3-/+) 19.e3 Nc7 20.Kb2 (20.Kd2 Red8 21.Rd4 Nge6-/+) 20...d5 21.Rf4? (better 21.Re8 Nge8 22.e4-/+) 21...Qd3 22.cd5 (22.Rd4 Qe3 23.Rd1 Nf5 24.cd5 Nd4-+) 22...cd5 (worse 22...Nd5 23.Rd4 Qe3 24.Nce2-+) 23.Nge2 (23.Rd4 Qe3 24.Rd1 Nf5-+) 23...Re3 (worse 23...Qe3 24.Rh2-+) 24.Rd4 (24.Qd1 Qa6 25.Qd2-+) 24...Re2 25.Ne2 Qe2 26.Kc3 (26.Kb1 Qe5 27.Rhd1-+) 26...Nf5 (26...Nb5) 27.Rd3 d4 (27...d4 28.Kc4 Qe6 29.Kc5 Qc6; 27...Nb5) 0-1. jeimov - Broesilein2019 (2240), Weekly SuperBlitz Arena, lichess.org, 2020.

6.Qc1 0-0

7.Qb2 a5 8.b5 c5 9.a4 (9.Nc3=) 9...Qc7 (9...d5 10.Nf3=+) 10.c4 (10.Nc3!?+=) 10...b6 (10...d6 11.Nf3=) 11.Bg2 Bb7 12.Nf3 (12.Bb7 Qb7 13.Nf3 Ne6=) 12...d5 (12...Ne6 13.Rg1=+) 13.d3 (13.Qe5!? Qd7 14.cd5=) 13...Nd7 (13...d4 14.0-0-/+) 14.Nbd2 (better 14.cd5 Bd5 15.Nc3=+) 14...Nf5?? (14...Ne6 15.cd5 Bd5 16.Rg1=+) 15.h4 (15.cd5 Ng7+= (15...Bd5? 16.e4+-)) 15...Rae8 (15...d4 16.h5=+) 16.0-0-0 (16.cd5 e6 (16...Bd5? 17.e4+-) 17.de6 Re6+=) 16...e5 (16...dc4 17.Nc4 Nd6 18.Qc3=+) 17.e4 (17.cd5!? Nd6 18.Qa2=) 17...de4=+ 18.Ne4 Nd4 (18...Ng7 19.Nh2=+) 19.Nd4 (19.h5 Be4 20.de4 Re6=+) 19...cd4-/+ 20.Qe2 (20.h5 Be4 21.Be4 Nc5-/+) 20...Be4 21.Qe4? (better 21.Be4!? Nc5 22.Bc6 Na4 23.Be8 Re8 24.Rde1-+) 21...Nc5-+ 22.Qe2 (22.Qc6 Qe7 23.Kd2 Na4-+) 22...Na4 23.Bc6 Nc3 24.Qc2 Re6 25.Rde1 Rc6 (better 25...a4!? 26.h5 Qd6 27.hg6 fg6 28.Bd5 Nd5 29.cd5-+) 26.bc6 Qc6 27.Re5?? (better 27.h5-+) 27...Qh1 28.Kb2 Qh4 29.Qe2 (29.Qd2 f6 30.Re1 fg5 31.Rf1 Rf2 32.Rf2 Qf2 33.Qf2 Nd1 34.Kb3 Nf2 35.c5 bc5 36.Kc4-+) 29...Ne2 30.Re2 Qg5 31.Re4 Qd2 32.Kb1 Qf2 33.Rh4 (33.Kc1 a4 34.Kd1 a3 35.Re2 Qf1 36.Kd2 a2 37.Re1 Qg2 38.Re2 Qg5 39.Kc2 a1Q 40.Kb3 Qga5 41.c5 Q1c3) 33...Re8 34.Rh1 (34.Re4 Re4 35.de4 d3 36.Ka1 d2 37.Kb2 d1Q 38.Ka3 Qdd2 39.Kb3 Qb4) 34...a4 35.Ka1 (35.Kc1 a3 36.Rf1 Qb2 37.Kd1 a2 38.Rf7 a1Q) 35...a3 36.Kb1 (36.Rb1 Re1 37.c5 Qb2) 36...Re2 (36...Qb2) 37.Kc1 (37.Rd1 Re1 38.Re1 Qb2) 37...a2 38.Rd1 (38.Rh7 a1Q) 38...Rb2 (38...a1Q) 39.c5 (39.Re1 a1Q) 39…Rb1 (39...a1Q) 0-1. AlbertOOO44444 (1745) - profedunca (2250), profedunca Arena, lichess.org, 2020.

7.Qb2 a5 8.b5 c6 9.a4 d5 10.Bg2 Nd7 11.e3 Re8 12.Ne2 e5 13.h4 Qe7 (13...Nc5 14.Nbc3-/+) 14.d3 (14.Nbc3 Ne6=+) 14...Ne6 (14...Nc5 15.Nbc3 Bg4 16.Ng3-/+) 15.Nd2=+ Qb4 (15...Rf8!?=+) 16.Qb4= ab4 17.Nb3 (17.0-0 Ndc5=) 17...cb5 (17...Ndc5!?=+) 18.ab5= Ra1 19.Na1 Nb6 20.Nb3 Bd7 21.c4? (21.Kd2 Bb5 22.Rb1 Ra8=) 21...bc3?? (better 21...dc4 22.dc4 Nc4-+) 22.Nc3= d4 23.Nd1?? (better 23.ed4 Ra8 24.Ne4 Bb5 25.de5 Bd3 26.Nbc5=) 23...Bb5-/+ 24.Bb7 (24.Nb2 Ra8 25.Nc1 Bc6 26.Bc6 bc6-+) 24...Bd3-+ 25.Nb2 Bc2 26.Na1 (26.Na5 Re7 27.ed4 Nd4-+) 26...Rb8 (better 26...Bf5!? 27.e4 Bg4-+) 27.Nc2-/+ Rb7 28.Nd3? (better 28.Kd2-/+) 28...e4-+ 29.Ne5 (29.Nb2 Nc4!! 30.Nd1 d3-+) 29...d3 (better 29...Nc4 30.Nc4 Rb1 31.Kd2 de3 32.N4e3 Rh1-+) 30.Nd4 (30.Na3-+) 30...Nd4 (better 30...Nc4! 31.Nc4 Rb1 32.Kd2 Rh1 33.Ne6 fe6 34.Nd6 Rh4 35.Kc3-+) 31.ed4 Nd5 32.Kd2 (32.0-0-+) 32...Rb2 33.Kd1 Nc3 34.Ke1 d2 (34...e3 35.fe3 Re2 36.Kf1 d2 37.Nd3 d1Q 38.Ne1 Qe1) ½-½. AlbertOOO44444 (1925) – profedunca, Casual Rapid game, lichess.org, 2020.

7.Qb2 c6 8.Bg2 d5 9.d3 (9.Nf3 Bf5=+) 9...Nd7 (9...a5 10.ba5 Qa5 11.Nd2-/+) 10.Nd2 a6 (10...a5 11.b5=+) 11.e4 e6 12.c4? (12.Ngf3 Nh5=) 12...Nh5 (12...Qg5!? 13.Kf1 Nh5-+) 13.Ne2 (13.Nh3 a5 14.a3 f6=+) 13...Re8 (13...Qg5 14.0-0-/+) 14.f4? (14.Nf3 b5 15.cb5 ab5=) 14...dc4 (better 14...e5 15.0-0 ef4 16.Nf4 Nf4 17.Rf4 Qg5-/+) 15.Nc4= Qe7 (15...e5!? 16.0-0 ef4 17.Nf4 Nf4 18.Rf4 Nb6 19.Nb6 Qb6 20.d4 Rd8=) 16.0-0 Rb8 (16...e5 17.d4 ef4 18.Nf4 Nf4 19.Rf4+/-) 17.Ng3 Ng3 18.hg3 Nf8 (18...e5 19.d4 ef4 20.gf4+/-) 19.g4 (19.e5 Rd8+-) 19...Bd7 (19...b5 20.Na5 Bd7 21.e5+-) 20.a3 (20.d4 b6 21.e5 Red8+-) 20...Rbd8 (20...c5 21.Rfc1+/-) 21.Rad1 (21.e5 Rb8+-) 21...Bc8 (21...c5!?+/-) 22.f5?? (better 22.e5+-) 22…Qg5-/+ 1-0. AlbertOOO44444 (1925) – profedunca, Casual Rapid game, lichess.org, 2020.

7.Qb2 d5 8.Bg2 c6 (8...Ne6 9.Nf3=+) 9.e3 Re8 (9...Bg4 10.Bf3 Bf5 11.Be2-/+) 10.d3 (10.Nc3!?=) 10…e5. AlbertOOO44444 (1925) – profedunca, Casual Rapid game, lichess.org, 2020.

7.Qb2 d6

8.Nc3 Nc6=+.

8.Bg2 c6 9.Nc3 Bg4=.

8.Bg2 c6 9.d3 Nd7 (9...a5 10.Nf3=+) 10.Nd2 (10.Nc3 a5=) 10...e5 (better 10...Ne6=+) 11.c4? (better 11.Ngf3=) 11...Ne6 (11...Qg5!? 12.Bh3 Qe7-+) 12.h4. AlbertOOO44444 (1925) – profedunca, Casual Rapid game, lichess.org, 2020.

8.Bg2 c6 9.f4 Nd7 (9...Nh5 10.e3 e5 11.Ne2 ef4 12.Nf4 Nf4 13.ef4-/+) 10.Nf3=+ a6 (10...Nb6 11.0-0=+) 11.a4 (11.Nc3 Nb6=+) 11...Qc7 (11...Nh5!? 12.Qd4 e5 13.fe5 de5-/+) 12.e3= Rb8 (12...a5 13.Nc3=) 13.0-0 b5 (13...Ne6 14.Nc3=) 14.a5 (14.ab5!? ab5 15.Nd4+=) 14...c5 15.c3 (15.Nc3 Bb7=) 15...Bb7=+ 16.Na3 c4 17.Nc2. AlbertOOO44444 (1925) – profedunca, Casual Rapid game, lichess.org, 2020.

8.Bg2 Ne6 9.Nf3=+.

8.h4 e5 9.Nf3 Nc6 10.h5 (10.b5 Ne7=+) 10...Bg4 (better 10...Nh5 11.b5 Nb8=+) 11.h6? (better 11.hg6!? fg6 12.Bg2=+) 11...Ne6-+ 12.Bg2 Bf3 (12...Nf4 13.Rh2-+) 13.Bf3-/+ Ng5 (13...Qg5 14.Nc3-/+) 14.Bg2 (14.Bc6!? bc6 15.f4=+) 14...Ne6-/+ 15.Nc3 a5 (15...Nf4 16.Bc6 bc6 17.e3 Ng2 18.Ke2-/+) 16.b5 Ncd4 (16...Qg5!? 17.Bf3 Ncd4 18.Bb7 Rab8-/+) 17.e3= Nf5 18.Ne4? (better 18.Bb7!? Ra7 19.Be4=) 18...d5 (18...Nh4 19.Rh2-+) 19.Ng3-/+ Ng3 20.fg3 d4 (20...Qd6 21.0-0-/+) 21.0-0-0 (21.Bb7!? Rb8 22.Bc6=+) 21...c6-/+ 22.c4 (22.Rde1!?-/+) 22...cb5 23.cb5 (23.Qb5 Rc8 24.Qe5 Rc4 25.Kb1 Rc5-+) 23...Rc8 24.Kb1 Qb6 25.Bd5 (25.Rhe1 Rc5 26.Bf1 Rd8-+) 25...de3 (better 25...Rc5!? 26.Be6 Rb5 27.Bb3-+) 26.de3 Qe3 27.Rhe1 Qg3 28.Re5 Qg4 (28...Rc3 29.Ree1-+) 29.Rde1-/+ Qd4 (29...Rc7 30.b6 Re7 31.Qc3 Qb4 32.Qb4 ab4 33.Be6 fe6 34.Re6 Re6 35.Re6-/+) 30.Be6 (30.Re6 Qb2 31.Kb2 fe6 32.Be6 Kh8 33.Bc8 Rc8 34.b6+=) 30...Qb2-/+ 31.Kb2 fe6 32.Re6 Rf2 33.Kb3 Rf3 (33...Kf8 34.b6=+) 34.Ka4 b6 35.Re8 (35.Rb6 Rc4 Mate attack) 35...Re8 36.Re8 Rf8 37.Rb8?? (37.Re6 Rf4 38.Ka3 Rf3 39.Kb2 Rf2 40.Kb3 Rf3 41.Kc4+=) 37...Rb8 38.Kb3 If White now only could play g5... 38...Re8 39.Kc4 g5 40.Kd5 g4 41.Kc6 g3 42.Kb6 Re6 43.Ka5 Rh6 (43...g2 44.Ka4 g1Q 45.Kb4 Qd4 46.Kb3 Re3 47.Kc2 Qc3 48.Kd1 Re1) 44.b6-+ Rb6! 45.Kb6 g2 46.a4 g1Q 47.Kb5 Qa1 48.a5 h5 49.a6 h4 50.a7 Qa7 51.Kc6 (51.Kb4 Qd4 52.Ka5 h3 53.Kb5 h2 54.Kc6 h1Q 55.Kc7 Qh7 56.Kc8 Qhd7 57.Kb8 Q4a7) 51...Qf7 (51...h3 52.Kd5 h2 53.Ke5 Qc5 54.Kf4 h1Q 55.Kg3 Qe3 56.Kg4 Qhh3) 52.Kd6 (52.Kb6 h3 53.Kb5 h2 54.Kc5 h1Q 55.Kb4 Qc6 56.Ka5 Qc5 57.Ka4 Qfc4) 52...h3 (52...Qf4 53.Kc5 h3 54.Kd5 h2 55.Kc5 h1Q 56.Kb6 Qd6 57.Kb5 Qhc6 58.Ka5 Qd2) 53.Kc5 (53.Kc6 h2 54.Kd6 h1Q 55.Kc5 Qhd5 56.Kb4 Qc4 57.Ka5 Qfc7) 53...h2 54.Kd4 (54.Kc6 h1Q 55.Kc5 Qhd5 56.Kb4 Qc4 57.Ka5 Qfc7) 54...h1Q 55.Kc5 (55.Kc3 Qhf3 56.Kb4 Q7b3 57.Kc5 Qfd5) 55...Qh6 (55...Qhd5 56.Kb4 Qc4 57.Ka5 Qfc7) 56.Kd4 (56.Kb4 Qd2 57.Kc5 Qfd5 58.Kb6 Q2a5) 56...Qfg6 (56...Qhf4 57.Kc5 Q7c4 58.Kb6 Qfc7) 57.Kc3 (57.Kc4 Qe4 58.Kb5 Qhc6 59.Ka5 Qe1) 57...Qg4 (57...Qe3 58.Kb4 Qgb6 59.Kc4 Qbc5) 58.Kb2 (58.Kd3 Qf3 59.Kc4 Qhc6 60.Kd4 Qcc3) 58...Qhh3 (58...Qd2 59.Kb3 Qgb4) 59.Ka1 (59.Kc1 Qb3 60.Kd2 Qgd1) 59…Qgg2 (59...Qgg2 60.Kb1 Qhh1; 59...Qa3 60.Kb1 Qe4) 0-1. Kingscrusher_YouTube (2205) - DontBeMad (2380), Rated Bullet game, lichess.org, 2014.

6.Nf3 0-0

7.Bg2 Nc6 8.b5 Nb4 (8...Na5 9.0-0=) 9.c4 e6?? (better is 9...a6+=) 10.a3 Nc6 (10...e5 11.ab4 e4 12.Ng1+-) 11.bc6 dc6 12.Nc3 e5 13.Rb1 (13.Ne5?! Qg5 14.Bc6 Qe5=) 13...Re8 14.d3 Rb8 15.Ne4 Kh8 (15...Nh5 16.Qa4 a6 17.0-0+-) 16.Nf6 (16.Qa4 a6+-) 16...Rf8 (16...Re7 17.d4 Bf5 18.e4 ed4 19.Qd4+-) 17.Ne5 Be6 18.Qd2 Ne8 19.Ne4 Nd6 (19...Bf5+-) 20.Qc3 f6 21.Nf6 Rf6 (21...Qe7 22.Ned7 Bd7 23.Nd7 Kg8 24.Bc6 bc6 25.Nb8+-) 22.Nc6 bc6 23.Qf6 Qf6 (23...Kg8 24.Qe6 Nf7 25.Rb8 Qb8 26.0-0+-) 24.Rb8 (24.Rb8 Kg7 25.gf6 Kf6 26.Ra8+-; 24.gf6 Rb1 25.Kd2 Rb2 26.Kd1 Kg8-/+) 1–0. DEFFM – Herucles, freechess.org, 2018.

7.h4 d6 8.d4 c6 9.Nbd2 Nd7 10.e3 a5 11.a3 Qb6 (11...b5 12.c4 bc4 13.Bc4 ab4 14.ab4 Ra1 15.Qa1=) 12.Rb1 (12.Nc4!? Qc7 13.Na5+=) 12...ab4= 13.ab4 Qc7 14.Be2 e5 15.Ne4 f5 16.de5 (better 16.gf6 Nf6 17.Nf6 Rf6 18.de5 de5 19.Ra1 Ra1 20.Qa1=) 16...fe4-/+ 17.ed6 Qd8 18.Bc4 (better 18.Nd2!? Re8 19.c4-/+) 18...Kh8-+ 19.h5 (better 19.Nd2 Ne5 20.Be2-+) 19...Nh5?? (better 19...Rf3 20.hg6 Nf8 21.gh7 Qg5-+ (21...Nh7?! 22.g6 Rh3 23.Rh3 Bh3 24.gh7-/+)) 20.Rh5= ef3 (20...gh5 21.Ra1 Rb8 (21...Rf3?? 22.Ra8 Qg5 23.Rc8 Rf8 24.Qd4 Qg7 25.Qg7 Kg7 26.Rc7+-) 22.Qd4 Nf6+=) 21.Qd4+/- Nf6 22.gf6 Qf6 23.Re5 Bd7 24.Re7 (24.Rd1 b5 25.Bb3 Rad8+-) 24...Rad8? (better 24...Qd4 25.ed4 Rad8=) 25.Rd1 Bf5 (25...Qd4 26.Rd4 (26.ed4?! Rf6=) 26...b6 27.e4+-) 26.Rb7 (26.Qf6 Rf6 27.d7 Rff8+-) 26...Qd4 27.Rd4 (worse 27.ed4 Bc2 28.Rc1 Bf5-/+) 27...Rf6 28.d7 Rf7?? (28...Bc2 29.Rc7 Kg7+-) 29.Bf7 1-0. fireheart92 (2785) - Scarlet_dawn (2670), Rated Bullet game, lichess.org, 2021.

7.c4 d6

6.Nf3 b6

6.Nf3 d5

7.Qc1 0-0 8.Qb2 a5 9.b5 c5 10.Bg2 Nd7 11.d3 d4 12.Nbd2 Nb6 13.Ne4 Qc7 14.h4 (14.c3 Na4 15.Qc2 Nc3 16.Nc3 dc3 17.Qc3 Ne6+=) 14...Be6 Black prepares c4 15.c4 dc3 (15...Bg4 16.Nh2 Bh5 17.Qa3=) 16.Qc3 c4 17.Rc1 Rfc8 18.0-0 Qd8 19.d4 Nd5 20.Qd2 a4 21.Nc5 (21.Ne5 Nb6+=) 21...c3 22.Qd1 b6 23.Ne6 Ne6 (worse 23...fe6 24.Ne5+/-) 24.Ne5 Nef4 25.Bf3 f6 (better 25...Qd6!?=) 26.Nc6+/- Qd7 27.e3 Ne6?? (better 27...Nh3 28.Kh2 Nc7+-) 28.Bd5 Kg7 29.Bg2 fg5 30.hg5 Ng5 31.Rc3 Rf8 (31...Nf7 32.Ra3+-) 32.f4 (32.Ne5 Qb5 33.Ba8 Ra8+-) 32...Nh3 (32...Nf7 33.d5+-) 33.Kh2 1-0. Ponomariov,R (2630) - Efimenko,Z (2600), Gladiators May, 2020.

6.Nf3 d6

6.Bg2 0-0

7.d3 d6 8.h4 Nd7 9.c4 e5 10.Qd2 (idea Nc3, Nd5, Nf3, Nh2, Ng4).

7.e4 c6 8.Ne2 e6 9.f4 d5 10.0-0 Re8 11.d4= f5 12.e5+= b6 13.Nd2 Nd7 14.Bf3 c5 15.b5 a6+= 16.a4 Nb8 17.c4 cd4 18.cd5 Ra7? 19.d6+- ab5 20.ab5 Ra1 21.Qa1 d3 22.Nd4 Nh5 23.Bh5 gh5 24.Nc6 Qd7 25.Qa8 Nc6 26.bc6 Qf7 27.Nc4 Bd7 28.Qb7 Bc6 29.Qc6 Qa7 30.Qe8 (30.Qe8 Kg7 31.d7 b5 32.Kg2 Qb7 33.Kh3 Qf3 34.Rf3 h6 35.d8Q hg5 36.Qg5 Kh7 37.Qeh5#) 1–0. babyl – FelixFri, ChessWorld.net, 2008.

7.e4 c6 8.Nf3 a5 9.ba5 Qa5 10.Qe2=+.

7.e4 c6 8.Nf3 d5 9.ed5 cd5 10.0-0 Bg4 11.h3 Bh5 12.Qe1 (12.d4 f6=+) 12...Nc6 (12...Bf3 13.Bf3 Nc6 14.c3-/+) 13.a3 (13.b5 Bf3 14.bc6 Bg2 15.cb7 Bh3 16.ba8Q Qa8-+) 13...e5 14.d3? Bf3-+ 15.Bf3 Qg5 16.Bg2 Nh5 17.Qe3 Nf4 18.Qf3 Nd4 19.Qg4 Qg4 20.hg4 Nfe2 21.Kh2 f5?? 22.Bd5= Kg7 23.c3 fg4 24.cd4+= ed4 25.f4 g3 26.Kg2 Nf4 27.Rf4 Rf4 28.Kg3 Rf1 29.Bb7 Re8 30.Be4 Rc8 31.Bd5 Rcc1 32.Nd2? Rg1 33.Kh2 Ra1 0–1. mic (2100) – undan (2190), net–chess.com, 2008.

7.h4 Nc6 8.a3 d5 9.Nf3 e5 10.b5 e4 11.bc6 ef3 12.cb7 fg2 13.ba8Q gh1Q 0–1. Adamkosh (1935) – iliax (1985), lichess.org, 2020.

6.h4 b6

4.h3 0-0

5.Bg2 a5 6.b5 Nc6?? (better 6...d5=) 7.bc6+- bc6 8.c4 Ba6 9.Qc2 Rb8 10.d3 d5 11.Nd2 (11.Bc3 Qd6+-) 11...Re8? (better 11...dc4 12.Nc4 Bc4 13.dc4 Rb2 14.Qb2 Ng4+/-) 12.Rb1 e5 Black plans d4 13.e3 e4 14.de4 Rb2 (14...Ne4 15.Be4 de4 16.Bg7 Rb1 17.Qb1 Kg7 18.Ne2+- (worse 18.Ne4 Bc4 19.Ne2 Bd5+-)) 15.Rb2 (worse 15.Qb2 Ne4 16.Qc2 Nd2 17.Qd2 Bc4 18.Qa5 Qa8 19.Qa8 Ra8+-) 15...d4 (15...Ne4 16.Ne4 (16.Be4?! Bb2 17.Bg6 fg6 18.Qb2 Bc4+-) 16...de4 17.Rb1+-) 16.ed4 Qd4 17.Ne2 Qe5 (17...Qc5 18.f4 Nd7 19.e5+-) 18.Rb1 (18.f4 Qe7+-) 18...h5 (18...Bh6 19.Ng3+-) 19.f4 Qc5 20.g5 (20.e5!? Nd5 21.Qe4 Ne3 22.gh5 gh5+-) 20...Nd7 21.Nb3 Qe3 (21...Qb4 22.Qd2+-) 22.h4 Nb6 (22...a4 23.Nd2 Bc8+-) 23.Rh3 Nc4 24.Re3 Ne3 25.Qc6 Bd3 (25...Ng2 26.Kf2 Re6 27.Qc7 Re4+-) 26.Qe8 Kh7 27.Rc1 Ng2 28.Kd2 Ba6 29.Rc7 Nh4 (29...Bb5 30.Qf7 Bd7 31.Qd7 Nf4 32.Qg7) 30.Qf7 (30.Qf7 Nf3 31.Ke3 Be2 32.Qg7) 1-0. is_er_nog_hoop (2570) - FMMeissner (2525), Rated blitz game, lichess.org, 2017.

5.Bg2 c6 6.d3 d5 7.Nd2 Qb6 8.a3 Nbd7 9.e3 e5 10.Nb3 e4 11.Ne2 h5 12.gh5 Nh5 13.Bg7 Kg7 14.Ng3 Ng3 15.fg3 Qe3 16.Qe2 Qg3 17.Kd2 ed3 18.cd3 Nf6 19.Rag1 Qf4 20.Qe3 Qe3 21.Ke3 Bf5 22.Bf1 Rae8 23.Kd4 b6 24.h4 Re1 25.h5 Nh5 26.Rh5 Bg4 27.Rg5 Be6 28.R5g3 Rh8 29.Re3 Rh4 30.Kc3 Re3 31.Nd4 Re1 32.Nc6 Rc1 33.Kd2 Rc6 34.Be2 Rh2 35.Ke3 Bf5 36.b5 Re6 37.Kd2 Ree2 38.Kc3 Rc2 39.Kd4 Rh3 40.Re1 Rd3 41.Ke5 1–0. adabriwala – habib55, lichess.org, 2018.

5.Bg2 c6 6.d3 d5 7.e3 Re8 (7...h6 8.Nf3=+) 8.Ne2 (8.g5 Nh5 9.Bg7 Ng7=) 8...e5=+ 9.Nd2 Qd6 10.Ng3 (10.a3 a5=+) 10...Be6 (10...Qb4!? 11.Rb1 Qa5-/+) 11.a3=+ Nbd7 (better 11...a5!?=+) 12.g5+= Nh5 13.Nh5 gh5 14.Qh5 Bf5 (14...a5 15.Qh4+=) 15.Nb3 d4 16.0-0-0 Bg6 (16...Rad8 17.Rhe1+-) 17.Qe2 (17.Qg4 c5+-) 17...Rac8 (17...c5 18.Qd2+-) 18.Rdg1 (18.Rhe1!?+-) 18...c5+= 19.b5 c4 20.dc4 d3 21.cd3?? (better 21.Rd1 e4 22.Bg7 Qa3 23.Bb2 de2 24.Ba3 ed1R 25.Rd1+=) 21...Bd3-+ 22.Qd2 Rc4 23.Kd1 Bc2 (better 23...Rc2 24.Qc2 Bc2 25.Kc2 Qc7 26.Kb1 Qc4-+) 24.Ke1 Qd2 25.Nd2 Rc7 (25...Rc5 26.b6 Bd3 27.ba7 Rc2 28.Bb7 Nb6+=) 26.h4 (26.Ne4!?+-) 26...Nc5 (26...Bd3 27.Ne4 Rc2-+) 27.Be4?? (better 27.Ba1=) 27...Be4 (27...Ne4 28.Ne4 Be4 29.f3 Bf3 30.Rh2-+) 28.Ne4 Nd3 (better 28...Ne4!? 29.Ke2 Rec8-+) 29.Ke2 Nb2 30.h5 (30.Rc1 Rec8 31.Rc7 Rc7-+) 30...Rc2 31.Kf3 Nc4 32.g6? (better 32.h6 Bh8 33.Ra1-+) 32...fg6 33.hg6 Rf8 34.Kg4 (34.Kg3 hg6 35.a4 Nd2 36.Nd2 Rd2-+) 34...h6 (34...hg6 35.Rc1 Rc1 36.Rc1 Na3 37.b6 ab6 38.Kg5-+) 35.Kg3 (35.Rc1 Rc1 36.Rc1 Na3-+) 35...Nd2 (better 35...Na3 36.b6 Rc6 37.ba7 Rg6 38.Kh3 Ra6-+) 36.Kg2 (36.Nd2 Rd2 37.Rg2-+) 36...Ne4 37.Rh2 0–1. adabriwala – rizalmazlan (1735), lichess.org, 2019.

5.Bg2 Nc6 6.a3 d5 7.e3 e6 8.d3 Ne8 9.Bg7 Ng7 10.Nd2 f5 11.Nb3 f4 12.ef4 Rf4 13.Qd2 Qf8 14.f3 Qf6 15.Ne2 Qh4 16.Kd1 Rf7 17.Kc1 a5 18.ba5 Qf6 19.h4 Na5 20.g5 Nb3 21.cb3 Qa1 22.Kc2 Qa2 23.Kc3 Qd2 24.Kd2 Ra3 25.Nc3 c6 26.h5 gh5 27.b4 d4 28.Ne4 Ra2 29.Ke1 Rg2 30.Nf6 Kh8 31.Kf1 Ra2 32.Kg1 1–0. adabriwala – muhlan (1700), lichess.org, 2019.

5.Bg2 d5 6.d3 c6 7.e3 Re8 8.Nd2 e5 9.Nb3 e4 (9...Nbd7 10.Nf3=+) 10.Ne2 (10.de4 Ne4 11.Bg7 Kg7 12.Be4 Re4=) 10...Qb6 (10...ed3 11.cd3 h6 12.0-0=) 11.a3 Be6 (11...h6 12.de4 de4 13.Nd2=) 12.Ng3 (12.Bd4 Qc7+=) 12...ed3 13.Qd3 Ne4 (better 13...h6=) 14.Bg7+- (14.Ne4?? de4 (14...Bb2?! 15.Nec5 Ba1 16.Na1-+) 15.Be4 Bb2-+) 14...Ng3 (better 14...Kg7 15.Be4 de4 16.Qc3 Kf8 17.Qh8 Ke7 18.Qh7 Bd5+-) 15.fg3?? (better 15.Bd4 Qc7 16.fg3 Qg3 17.Kf1+-) 15...Kg7= 16.0-0-0 (16.0-0 Nd7=) 16...Nd7 17.Bf3 (17.Qd4 Kg8=) 17...Ne5 (better 17...Kg8 18.Qd4 Qc7=+) 18.Qe2? (18.Qc3 f6 19.g5 Kg8-/+) 18...Bd7 (18...Nc4-+) 19.h4? (better 19.e4=+) 19...Nf3-+ 20.Qf3 Qe3 (20...Re3!? 21.Qf4 Re4 22.Qd2 Bg4 23.Rde1-+) 21.Qe3 Re3 22.g5 Rg3 23.Rdg1 (23.Rhe1 Be6-+) 23...Re3 24.Nc5 Bf5 25.Nb7 Re2 (25...Rb8 26.Na5 c5 27.Nb3 cb4 28.ab4 Rb4 29.Kd2-+) 26.Rf1 (26.Kb2 Bc2 27.Re1 Rae8 28.Re2 Re2-+) 26...Rc2 27.Kd1 (27.Kb1 Re2 28.Kc1 Ra2-+) 27...Ra2 28.Nd6 Bc2 (better 28...a5 29.Kc1 Ra3 30.ba5 Ra2-+) 29.Kc1 Ba4?? (better 29...Rd8 30.Nf7 Re8-+) 30.Rf7= Kg8 31.h5?? (better 31.Re1 Ra1 32.Kd2 Re1 33.Ke1=) 31...Ra1-+ 32.Kb2 Rh1 33.h6 Rh2 34.Kc3 d4! 35.Kc4 (35.Kd4 Rd2 Skewer) 35...Bb5! 36.Kc5 (36.Nb5 cb5 Double attack (36...Kf7 Deflection; 36...Rc2 Decoy)) 36...d3 (better 36...Rc2 37.Kd4 Rd2 38.Ke5 Rd5 39.Ke4 Rd6 40.Rg7 Kh8-+) 37.Rg7= Kf8 38.Ne4?? (better 38.Rf7 Kg8 39.Rg7 Kf8 40.Rf7 Kg8=) 38...d2-+ 39.Nf6 (39.Rd7 d1Q! 40.Rd1 Rc2 41.Kd6 Rd8 42.Kc7 Rd1 43.Kb8-+) 39...d1Q 40.Rg8 Ke7 41.Rg7 Ke6 42.Nh7 (42.Re7 Ke7 43.Ng8 Rg8 44.a4 Qd6) 42…Rc2 (42...Qd6) 0–1. adabriwala – jojocha (1775), lichess.org, 2019.

5.Bg2 d5 6.d3 Nbd7 7.e3 (7.g5 Nh5 8.Bg7 Kg7=) 7...e5 8.g5 Ne8 9.Bd5 Qg5 10.Nf3 Qe7 11.a3 c6 (11...a5 12.b5=+) 12.Bb3= a5 13.ba5 Ra5 14.a4 Nc5 15.Ba3 e4 16.d4 ef3 17.Qf3?? (better 17.Ra2 Bd4 18.Qd4=) 17...Bd4-+ 18.Ra2 b6 19.Nd2 (19.c3 Bg7-+) 19...Bc3 20.h4 (20.Ke2 Ba6 21.Kd1 Qd8-+) 20...Qe5 (20...Nf6 21.Bc4 Nfe4 22.Bc1-+) 21.Kd1 (21.Bc1 Nb3 22.cb3 Bf5-+) 21...Bd2 (21...Qd6 22.Bc1 Nf6 23.Qg3 Qg3 24.fg3-+) 22.Kd2 (22.Bc5 bc5 23.Kd2 Nd6-+) 22...Ne4 (better 22...Nb3 23.cb3 Rd5 24.Ke1 Qc3 25.Kf1 Qb3 26.Ra1 Qa4 27.Kg2-+) 23.Kc1 Nc3 (23...Be6 24.Bb2 Nc3 25.Ra3-+) 24.Bf8 Kf8 (better 24...Na2 25.Ba2 Qa1 26.Bb1 Qa4-+) 25.Rg1 (25.Qf7) 25...Na2-+ 26.Ba2 Qa1 27.Kd2 Qg1 (better 27...Qa2 28.Rd1 Qa4-+) 28.Qf7 1–0. adabriwala (1610) – salimyoosuf (1820), lichess.org, 2019.

4.h4 0-0

5.g5 Nh5 6.Bg7 Ng7 7.c4 d5 8.cd5 Qd5 9.Nf3 a5 10.Nc3 Qd8 11.b5 c6 12.a4 Nd7 13.e3 e5 14.Be2 Qe7 15.h5 Nh5 16.Rh5 (better 16.d4=) 16...gh5-/+ 17.Qc2 Nc5 18.d4 (better 18.bc6!? bc6 19.Ne4 Ne4 20.Qe4-/+) 18...ed4-+ 19.Nd4 Bg4 (19...Qg5 20.bc6 bc6 21.Nc6-+) 20.Bg4 (20.bc6!? bc6 21.Nc6 Qg5 22.Nd5 Be2 23.Ke2-/+) 20...hg4-+ 21.0-0-0 (better 21.Qf5 Rfd8 22.Kf1-+) 21...Qg5 22.Rh1 Qg6 23.Nf5 Rfe8 24.Rh6 Qg5 25.Ne2 (25.bc6 Re5 26.Nd5 Rd5 27.Ne7 Kf8 28.Nd5 Qd5 29.Rh7 Nd3 30.Kd1 Nb4 31.Qd2 Qd2 32.Kd2 Rd8 33.Ke2 bc6 34.Rh4-+) 25...Ne4 26.Ned4 cb5 27.Kb2 Rac8 Black prepares the advance g3 28.Qd1 Nf2 29.Qf1 (29.Qe2 g3 30.Rh5 Qg6-+) 29...g3 30.Qb5 (30.Qb1-+) 30...Nd1 31.Ka3 Re3 32.Ne3 Qe3 33.Qb3 Qh6 (33...Qc1 34.Ka2 Nc3 35.Qc3 Rc3 36.Rg6 fg6 37.Nb5 Qd2 38.Kb1 Rc1) 34.Nf5 (34.Qd1 Qd6 35.Kb2-+) 34...Rc3 (34...Qc1 35.Ka2 Rc2 36.Qc2 Qc2 37.Ka3 Qb2) 35.Nh6-+ Kf8 0-1. is_er_nog_hoop (2585) - Cofi7 (2510), Rated blitz game, lichess.org, 2020.

5.g5 Nh5 6.Bg7 Ng7 7.f4 d5 8.e3 d4 9.c3 dc3 10.Nc3 a5 11.b5 c6 12.Bg2 cb5 13.Nb5 Qd7 14.a4 Nc6 15.d4 Nf5 16.Qf3 Nd6 17.Nc3 Nb4 18.Rb1 Rb8 19.Nge2 Qg4 20.Kd2 Nc4=+ 21.Ke1? Nd3-+ 22.Kd1 Qf3 23.Bf3 Nf2 24.Ke1 Nh1 25.Bh1 Ne3 26.Nb5 Bd7 27.Nec3 Bb5 28.Rb5 Nc2 29.Kf2 Nd4 30.Ra5 b6 31.Ra7 Rfc8 32.Nd5 Rc2 33.Ke3 Nf5 34.Kd3 Rc1 35.Be4 Rd8 36.Ke2 Ng3 37.Kf3 Ne4 38.Ke4 Re1 (39.Ne3 Kf8-+; better is 38...Rc4 39.Kd3 Rc5 40.Re7 Rcd5 41.Kc4 Rd4 42.Kb3 Rf4 43.Rb7-+) 0–1. Mair,Bob – Taylor,William, Canada op Edmondton, 2000.

5.h5 d6 6.f3 e5 (6...Nh5 7.Bg7 Ng7 8.e3-/+) 7.Bg2 (7.e4 Be6=+) 7...Nc6 (7...gh5!? 8.gh5 Nd5-/+) 8.b5=+ Ne7 9.c4 e4 (9...a6 10.hg6 fg6 11.Nh3=+) 10.h6 Bh8 11.g5 ef3 12.Nf3 Ne4 13.Qc2 Bf5 (13...Bb2!? 14.Qb2 f6=) 14.Bh8+/- Kh8 15.Qb2 (15.Rh4!? d5 16.d3+/-) 15...f6+= 16.gf6 (16.d3 Nc5=) 16...Nf6= 17.Ng5 Neg8 (better 17...c6!?=) 18.Bb7+/- Rb8 19.Bd5 Qe7 20.Nc3 (20.e4 a6 21.a4 c5+/-) 20...Bd7 21.Nce4 c6 22.Bg8 Kg8 23.Nf6 (23.0-0 Ne4 24.Ne4 Bf5 25.Qg7 Qg7 26.hg7 Rfd8 27.bc6 Rbc8+=) 23...Rf6= 24.a4 d5 25.0-0-0 (better 25.Qd4+=) 25...dc4 26.Rdf1 Rbf8 27.Rf6 Rf6 28.bc6? (better 28.b6!? ab6 29.Qb6=+) 28...Bc6-+ 29.Rg1 Ba4 30.Qc3 (30.Qd4 Bb3 31.Ne4 Re6-/+) 30...Bb3-+ 31.Ne4?? (31.e4 Ra6 32.d3 Ra2-+) 31...Ra6 (better 31...Qe4 32.Re1 Rf7-+) 32.Nc5-/+ Ra2 (32...Rb6 33.Rg3 g5 34.Re3=+) 33.Nb3? (better 33.Kb1 Ra3 34.Kb2 Ra2 35.Kb1=) 33...cb3?? (better 33...Qa3 34.Kb1 Qb3 35.Qb3 cb3-/+) 34.Qb3+- Qf7 35.Rg6!! Kf8 (35...hg6 36.Qf7 Double attack (36.h7 Passed pawn)) 36.Qf7 (better 36.Qb8 Ke7 37.Qd6 Ke8 38.Re6 Qe6 39.Qe6 Kf8 40.Qa2+-) 36...Kf7 37.Rg7 Kf6 38.Rh7 Kg6 39.Rh8 Ra1 40.Kc2 Rh1 (40...Re1 41.Kd3+-) 41.e4 (41.d4 a5+-) 41...a5 (41...Re1 42.d3+-) 42.Ra8 (better 42.d4+-) 42...Kf7 (42...Rh4 43.Ra6 Kh7 44.d3+-) 43.Ra7 (better 43.h7 Rh7 44.Ra7 Kg6 45.Rh7 Kh7+-) 43...Kg6 44.Ra5 Kh6 45.Kc3 Kg6 46.Kd4 (46.Kc4 Rc1 47.Kd5 Rc7+-) 46...Kf6 (46...Rh2 47.d3+-) 47.d3 Ke6 48.Ra6 Kd7 49.Kd5 Rd1 (49...Kc8 50.d4+-) 50.d4 Rb1 (50...Kc7 51.e5+-) 51.Ra7 Kd8 52.e5 Rb5 (52...Rb8 53.e6+-) 53.Ke6 (53.Kc6!? Rb8+-) 53...Rb6 54.Kf5 Rb4 (54...Rb5 55.Kf6 Rb6 56.e6+-) 55.d5 Rd4 (55...Kc8 56.e6 Kb8 57.Rf7+-) 56.Ke6 Rh4 57.d6 Rh6 58.Kd5 Rh7 1-0. carlos78 (2205) - Mohsenabutalebi (2145), Rated Blitz game, lichess.org, 2014.

5.h5 Ng4 6.Bg7 Kg7 7.hg6 fg6 8.Bh3 Nf2 9.Qc1 Nh1 10.Qb2 Rf6 11.Nf3 Qf8 12.Kf1 Ng3 13.Kf2 Ne4 14.Ke1 d5 15.d3 Bh3 16.de4 de4 17.Ng5 Bf5 18.Nd2 Nc6 19.Nde4 Be4 20.Ne4 Rd8 21.Nf6 Qf6 22.Qf6 ef6 23.a3 h5 24.Kf2 h4 25.Rh1 g5 26.c4 Nd4 27.e3 Nc2 28.a4 Nb4 29.Rb1 Nd3 30.Kf3 b6 31.a5 Ne5 32.Ke4 Nc4 33.ab6 ab6 34.Rb4 Nd6 35.Kd5 h3 36.Kc6 h2 37.Rb1 Rh8 38.Rh1 Ne4 39.Kc7 Ng3 40.Rh2 Rh2 41.Kb6 0–1. Adamkosh (1685) – Ravaillac (1670), lichess.org, 2020.

4.h4 d5

5.e3?? a5 (5...Bg4 6.Be2 Be2 7.Ne2-+) 6.b5? (6.g5 Nh5 7.Bg7 Ng7=) 6...c5?? (better 6...Bg4!? 7.f3 Bf5-/+) 7.Be2 (7.g5 Nh5 8.Bg7 Ng7+=) 7...d4 8.Nf3 (8.ed4 Ne4 9.c3 cd4=+) 8...0-0 (8...de3 9.de3 Qd1 10.Bd1 Bg4 11.Nc3-/+) 9.g5 Ne4 10.d3?? (10.ed4 cd4 11.h5 e5=+) 10...Nd6?? (better 10...Nf2 11.Kf2 de3 12.Ke3 Bb2-+) 11.a4 de3 12.Bg7 ef2 (12...Kg7?! 13.fe3 Bg4 14.Ne5 Be2 15.Qe2=) 13.Kf2 Kg7 14.h5 Bf5 15.Nbd2 gh5 16.Nf1 Bg6 17.Ng3 Nd7 18.Nh5 Bh5 19.Rh5 Ne5?? (better 19...Nf5=) 20.Qh1 (20.Ne5 Nf5 21.d4 f6 22.gf6 Kf6+-) 20...Ng4? (20...Ng6 21.Rh7 Kg8+-) 21.Kg3+- Rh8 22.Kg4 Qd7 23.Kg3 Nf5 24.Kf2 Qd6 25.Rg1 Qf4 26.Qh2 Qe3 27.Kf1 Rad8 28.Qe5 (better 28.Rh1 Kf8 29.Rh7 Rh7 30.Qh7+-) 28...f6?? (28...Qe5 29.Ne5 Ne3 30.Kf2 Nc2 31.Bf3+-) 29.Qe3 (better 29.gf6 Kf7 30.fe7 Qe5 31.ed8N Rd8 32.Ne5 Kf6 33.Nc4+-) 29...Ne3 30.Kf2 Nc2 31.gf6 Kf6 32.Rh6 (32.Rc5?! Nd4+-) 32...Kf7 33.Ne5 Ke8 (33...Kf8 34.Ng6! Kg7 35.Ne7 Kf8 36.Ng6 Kg7 37.Nh8 Kh8 38.Bf3+-) 34.Bh5 Kf8 35.Rg3 (better 35.Nf7 Rd3 36.Nh8 Rd2 37.Kf3 Nd4 38.Ke4+-) 35...Rd6 36.Rd6 ed6 37.Nd7 (37.Nf7!? Rg8 38.Rg8 Kg8 39.Nd6 b6+-) 37...Ke7 38.Nb6 Nd4 (38...Rf8 39.Kg1+-) 39.Nd5 (39.Rg7 Kf6 40.Rb7 h6+-) 39...Kd8 (39...Ke6 40.Re3 Kd5 41.Bf7 Ne6 42.Re6+- (42.Be6?! Kd4+/-)) 40.Nf4?? (better 40.Rg7 Kc8 41.Nb6 Kb8 42.Nc4+-) 40...Rf8+/- 41.Ke3 (better 41.Rg4+/-) 41...Ne6?? (better 41...Nf5 42.Kf3 Ng3 43.Kg3 Rg8 44.Kf2 Kc8=+) 42.Ne6+- Ke7 43.Nf8 Kf8 44.Rf3 Ke7 (44...Kg8 45.Rf7 c4 46.Rb7+-) 45.Rf4 (45.Ke4 Kd7 46.Kd5 b6 47.Rf7 Kd8 48.Kd6 Kc8 49.Rf8 Kb7 50.Bf3 Ka7 51.Ra8) 45...d5 46.Rf5 1-0. is_er_nog_hoop (2630) - clearfederer (2515), Hourly Bullet Arena, lichess.org, 2020.

5.g5 Nh5 6.Qc1 e5 7.e3 0-0 8.Be2 f6 9.Bh5 gh5 10.Nf3 Bg4 11.Nh2 Bf5 (11...fg5 12.Rg1-/+) 12.c4 (12.Rg1 fg5 13.hg5 Qd6=+) 12...d4 (12...fg5 13.cd5 Qd5 14.f3 Bb1 15.Qb1-+) 13.c5 Nc6 (13...Be6!?-/+) 14.Qc4= Kh8 15.Na3 a5 16.d3? (better 16.ba5 fg5 17.hg5 Qg5 18.Nf1-/+) 16...de3-+ 17.0-0-0 (17.fe3 ab4 (17...Qd3?! 18.Qd3 Bd3 19.b5-+) 18.Nc2 Bd3-+) 17...Nb4 18.d4 e2 19.Rd2 Qe8 (better 19...fg5!? 20.hg5 Qg5 21.Qe2-+) 20.Re1 Qf7 (better 20...Qg6 21.Qe2 ed4 22.Bd4 fg5 23.hg5 Bd4 24.Rd4-+) 21.Rde2? (21.Qf7 Rf7 22.Ree2 Nd3 23.Kd1 Rd7-+) 21...Qc4 (better 21...Be6 22.d5 Bd5 23.Qb5-+) 22.Nc4 Nd3 23.Kd2 Ne1 24.Re1 (24.gf6 Bf6 25.Re1 ed4 26.Nf3-+) 24...Rfd8 (better 24...Be6 25.gf6 Rf6 (25...Bc4?! 26.fg7 Kg7 27.Rg1 Kf7 28.Nf3 Ba2 29.Ne5 Ke6 30.Ke3-+) 26.Ne5 Rf2 27.Re2 Re2 28.Ke2 Ba2-+) 25.gf6 Bf6 (25...Bh6!? 26.Kd1 ed4 27.Re7-+) 26.Ne5-/+ Be5 (better 26...Rf8!?-/+) 27.Re5=+ Bg6 28.d5 Kg8 29.Nf3 (29.Nf1 Rd7 30.Ne3 Rf8=+) 29...Re8 (29...Rd7 30.Ba3-/+) 30.Rg5 (30.d6 cd6 31.cd6 Rad8 32.Re8 Be8=+) 30...Rad8 31.Kc3 (31.Nd4=+) 31...Kf7?? (31...Re2 32.Nd4 Rf2 33.Ne6-+) 32.Kc4 (better 32.Ne5!? Ke7 33.Nc4=) 32...Re4 33.Kb5?? (better 33.Bd4-/+) 33...Rb4 34.Ka5 Rb2 35.Ne5 (35.Rf5 Kg8 36.Rf8 Kf8 37.d6 Ra8) 35...Kf6 (35...Ke8 36.Rg6 Ra8 37.Ra6 Ra6) 36.Rg6 (36.Nd7 Kg7 37.Nb8 Rb8 38.Rg6 hg6 39.d6 Ra8) 36...hg6 37.Nd7 Kf5 38.c6 (38.c6 Ra8; 38.Nb8 Rb8 39.d6 Ra8). is_er_nog_hoop (2505) - dolar9 (2640), Rated blitz game, lichess.org, 2019.

4.h4 d6

5.f3 e5 6.Bh3 (6.e4!?=+) 6...Nd5-/+ 7.b5? (better is 7.g5!?-/+) 7...Qh4-+ 8.Kf1 Qe7 9.e3 Bh6 (9...h5 10.g5 Bd7 11.Bd7 Nd7 12.Nh3-+) 10.c4 Nb6 11.Qb3 Be6 12.Na3 N8d7 13.Rc1 Nc5 14.Qc2 Nca4 15.Ba1 Nc5 16.f4?? (16.Bb2 Nba4 17.Ba1 0-0-0-+) 16...f6 17.f5? gf5-+ 18.gf5 Bf7 19.Bg2 Bg5 20.Re1? 0-0-0 21.d4 Ncd7 22.Rh2 h6 23.Bh1 Rhe8 24.Nh3 h5 25.Rhe2 h4 26.Rc1 Bh5 27.Ree1 e4 28.Nf2 Bf3 29.Bf3 ef3 30.Qd1 ½–½. Renkine,Ivan – Fiora,Emilio (1665), Pinamar–C, 2006.

5.Bg2 Nbd7 6.e3 e5 7.d3 c6 8.a4 (8.h5).

5.g5 Nh5 6.Qc1 e5 7.c4 h6 8.gh6 Rh6 9.Nc3 Be6 10.e3 Nc6 11.b5 Na5 12.Nd5 c6 13.bc6 bc6 14.Nb4 Rb8 15.Na6 (better 15.Bc3!?-/+) 15...Rb2!-+ 16.Qb2 e4 (16...Bc4 17.Rb1 Bf1 18.Kf1=; 16...Nc4 17.Qb7 Qb6 18.Rb1 Qb7 19.Rb7+/-) 17.Qb1 (better 17.Qc1 Ba1 18.Qa1 Nc4 19.Bc4 Bc4 20.Qc3-+) 17...c5 (17...Ba1?! 18.Qa1 Nc4 19.Bc4 Bc4 20.Qc3-+) 18.Qb5 Bd7 19.Rb1 (19.Qb1 Ba1 20.Qa1-+) 19...Bb5 20.cb5 Nf6 21.Ne2 Ng4 22.Nf4 Rh4 23.Rg1 Ne5 24.Be2 d5 (better 24...Nac4!? 25.Rc1 Nb2 26.Rb1 Nbd3 27.Nd3 ed3 28.b6-+) 25.a4 Kf8 26.Nc5 Bh6 (better 26...Ke8-+) 27.Nfe6-/+ fe6 28.Ne6 Ke7 29.Nd8 Kd8 30.b6 ab6 31.Rb6 Attacks the isolani on g6 31...Nac4 (31...Kc7 32.Rb5 Nac6 33.Rd5 Bg7=) 32.Bc4 (32.Rb5 Ke7 33.Rd5 Ke6+=) 32...Nf3 (32...dc4 33.Ke2 Kc7 34.Re6=) 33.Kf1 (33.Kd1 Ng1 (worse 33...dc4 34.Rgg6 Bg5 35.a5+-) 34.Bd5 Nh3 35.Rg6 Nf2 36.Ke2 Nd3 37.Be4 Ne5 38.Rd6 Ke7+=) 33...Nd2 (33...dc4 34.Rgg6 Rh1 35.Kg2 Rg1 36.Kh3=) 34.Ke2=+ Nc4 35.Rbg6 (35.Rb5 d4 36.ed4+=) 35...Ke7 (35...Rh2 36.Rc6=+) 36.Ra1?? (better 36.Rb1 Kf7 37.Rc6+/-) 36...Rh2 37.Rg3 Kf7 38.a5 Bg7 39.Ra2? (39.Rd1 Bf6 (worse 39...Na5 40.Rd5 Bc3 41.Rg4+=) 40.Rd5 Ke6=+) 39...Be5 (39...Bc3 40.Kf1 Ba5 41.Rg5-+) 40.Rg5 (40.Rg1 d4 41.ed4 Bd4 42.Rf1=+) 40...Bf6?? (better 40...Rh1 41.Rg2 Bc3-+) 41.Rd5+= Bh4? Attacks the backward pawn on f2 (41...Ke6 42.Rd1 Nb2+/-) 42.Rf5+- Ke6 43.Rf4 Kd5 (43...Ke5 44.a6 Bg5 45.a7+-) 44.a6 Bg3 45.a7 Nb6 46.Rf6 Na8 47.Rf8 Bh4 (47...Kc6 48.Rb2 Bh4+-) 48.Ra5 Kc6 (48...Kc4 49.Raf5 Bf2 50.Rc8 Kb4 51.Ra8 Bg3 52.Kf1 Ra2+-) 49.Ra8 Rf2 50.Kd1 Rf1 51.Kc2 Rf2 52.Kb3 Rf1 53.Rc8 (53.Rc8 Kb6 54.a8Q Rb1 55.Kc2 Rb2 56.Kb2 Bf6 57.Kb3 Be5 58.Qa7) 1-0. is_er_nog_hoop (2525) - Beta99 (2605), Rated blitz game, lichess.org, 2020.

5.g5 Nh5 6.Qc1 e5 7.e3 Nc6 8.Be2 (better 8.b5!? Nb8 9.Nc3=+) 8...Nb4-/+ 9.Bh5 gh5 10.Ne2? (10.a3 Nc6-/+) 10...Bg4 (10...Bf5!? 11.Na3 Bc2 12.Kf1-+) 11.Ng3 (11.d3 h6 12.e4 hg5 13.hg5 f6 14.gf6 Bf6-+) 11...Qd7 (11...h6 12.gh6 Rh6 13.e4-+) 12.Bc3 (12.a3 Nc6-+) 12...a5 (12...Nd5 13.Qb2 0-0-0 14.Qa3-+) 13.Qb2 (13.a3 Nd5-/+) 13...Qc6 (13...Qa4 14.Bb4 Qb4 15.Qc1-+) 14.Rg1 (14.Bb4 ab4 15.Qb4 e4-/+) 14...Nd5 (14...h6 15.Bb4 ab4 16.gh6-+) 15.a4 (15.f4 h6-/+) 15...Ra6 (15...h6 16.f3 Bf3 17.Nf5-+) 16.Ra3 (16.Qb5 0-0-/+) 16...Rb6 (16...h6 17.gh6 Rh6 18.e4-+) 17.Rb3 (17.Qc1 Nc3 18.Nc3 h6-/+) 17...Qa4-+ 18.Rb6 Nb6 19.d3 (19.Na3 h6 20.Nb5 Kd7-+) 19...Qc6 (better 19...h6-+) 20.Nd2?? (better 20.Ba5 Na4 21.Qb3-/+) 20...Na4-+ 21.Qb3 (21.Qa1 Nc3 (21...Qc3?! 22.Qa4 Kd8 23.Nge4-/+) 22.f3 Be6 23.Nh5 0-0-+) 21...Nc3 (21...Qc3?! 22.Qa4 Kd8 23.Nge4-/+) 22.Nc4 (22.f3 Be6 23.Qb2 Qc5-+) 22...Nd5 (better 22...Qf3 23.Kd2 Qf2 24.Kc3 Qg1 25.Ne4-+) 23.Ne4 (23.Na5 Qc5 24.Nc4-+) 23...b6 (better 23...a4 24.Qb1-+) 24.f4 (24.Na3 Nb4-+) 24...ef4 25.ef4 0-0 26.f5 Bf5 27.Qb1 (27.Ncd2 Re8 28.c4 Nc3-+) 27...Re8 28.Kf2 (28.Qb3 Be4 29.de4 Re4 30.Kd2 a4-+) 28...Nc3 (better 28...Bd4 29.Kg3 Re4 30.de4 Qc4-+) 29.Re1 (29.Nc3 Bc3 30.Ne3-+) 29...Nb1 30.Ne5 Re5 31.c4 Be4 32.d4 (32.de4 Re4 33.Re2 Rf4 34.Kg1 Rg4 35.Kh2 Be5 36.Re5 Qg2) 32...Rf5 33.Ke3 (33.Kg3 Qc4 34.Re4 Qd3 35.Re3 Qe3 36.Kg2 Rf2 37.Kh1 Qe1) 33...Rf3 34.Ke2 Qc4 35.Kd1 Qc2 0-1. only1b4 (2515) - ath441 (2515), Rated Bullet game, lichess.org, 2019.

5.g5 Nh5 6.Nc3 e5 7.e3 Nc6 8.Bb5 (8.b5 Na5=) 8...Bd7=+ 9.Nf3 (9.a3 a5=+) 9...Qe7 (9...Nb4 10.Be2-/+) 10.Bc6 (10.Nd5 Qd8=) 10...Bc6 11.b5 Bd7 12.a4 0-0-0 (12...0-0 13.a5=+) 13.Nd5 Qe8 14.a5 (14.b6 ab6 15.a5 Be6=+) 14...Kb8 (better 14...Bb5 15.d3 Bc6-/+) 15.b6= c6 16.Nc7 (16.ba7!? Ka7 17.Nc3=) 16...Qe7=+ 17.a6? (better 17.Rg1=+) 17...ab6-+ 18.Qb1? (18.Nb5 cb5 19.a7 Ka8 20.Rg1-+) 18...Kc7 19.Bc3 Ra8 20.0-0 (20.a7 h6-+) 20...Ra6 (20...ba6 21.Qb4-+) 21.Ra6 (21.Qb2 Qe6 22.Nh2 h6-+) 21...ba6 22.Qb2 Qe6 23.Nh2 Qh3 24.Ra1 (24.Rb1 b5 25.Qb4 c5-+) 24...Ra8 (better 24...Qh4!? 25.Ra6 Qg5 26.Kf1-+) 25.Rb1 b5 26.Ba5 Kc8 (better 26...Kb7 27.Qb4 c5 28.Qc4-+) 27.c4 (27.Qb4 c5 28.Qe4 Rb8-+) 27...c5 28.cb5 ab5 29.Bc3 Bc6 30.f3 Ng3 (30...Qh4 31.Qc2-+) 31.d4 (31.d3 Qh4 32.e4 Kd8-+) 31...ed4 (31...Bf3 32.Re1 Bd5 33.Qc2-+) 32.ed4 cd4 (better 32...b4 33.Qg2 Qh4-+) 33.Bd4 (33.Be1-+) 33...Bd4 34.Qd4 Ne2 35.Kf2 Qh2 36.Ke3 Nd4 37.Rc1 (37.Rb5 Ra3 38.Rb3 Rb3 39.Kd4 Qf4) 37...Ra3 (37...Qe2 38.Kd4 Qd2) 38.Kd4 (38.Rc3 Rc3 39.Kd4 Qd2) 38…Qd2 0-1. only1b4 (2515) - ath441 (2510), Rated Bullet game, lichess.org, 2019.

5.g5 Nh5 6.Bg7 Ng7 7.Bg2 h6=.

5.h5 e5 6.h6=+ Bf8 7.g5 Nd5 (7...Nh5 8.Bh3=+) 8.c4 (8.d4!? Be7 9.de5 de5 10.a3 Bg5 11.Nf3+=) 8...Nb4-/+ 9.Nf3 Bf5 (9...Be7 10.Qb3 N4c6 11.Bh3-/+) 10.Na3 c6 11.Qb3 N8a6 12.d4 Qa5 13.Bc3?? (better 13.Qc3=+) 13...Qa3!!-+ 14.Qa3 Nc2 15.Kd2 (15.Kd1 Na3 16.de5 de5 17.Ne5 Be7-+) 15...Na3 16.de5 Nc4 17.Ke1 0-0-0 (better 17...Ne5!? 18.Nd2 Nc5 19.f4-+) 18.e4 Be4 19.Rh3 (19.Bc4 Bf3 20.Rh3-+) 19...d5 20.e6 Bc5 (better 20...Bb4!? 21.Nd2 Bf5 22.Nc4 dc4 23.ef7 Bh3 24.Bh3 Kc7 25.Bb4 Nb4 26.Kf1-+) 21.Bh8 Rh8 (21...fe6?! 22.Bf6 Nb4 23.Bc4 Nc2 24.Ke2 Na1 25.Bd3-/+) 22.ef7 Rf8 23.Bc4 dc4 24.Ne5 Bd4 25.Nc4 Ba1 26.Re3 (26.Nd6 Kc7 27.Ne4 Rf7-+) 26...Nc5 27.f3 (27.Nd6 Kd7 28.Ne4 Ne4 29.Re4 Rf7-+) 27...Bd4 28.Re2 Rf7 29.Nd6 (29.fe4 Kc7-+) 29...Kd7 30.Nf7 Bf3 (better 30...Bd5 31.f4 Nd3 32.Kd2 Nf4 33.Ne5 Ke6 34.Ng6 Ne2 35.Nf8 Kf7 36.Nh7 Nf4-+) 31.Rd2 Ne6 (31...Bd5 32.Rd4 Ke6 33.Nd8 Ke7 34.Nb7 Nb7 35.Ra4-+) 32.Ne5 Kd6?? (better 32...Ke7 33.Nf3 Bc3-+) 33.Nf3=+ Kd5 (33...c5 34.Nd4 cd4 35.Rb2-/+) 34.Nd4 Nd4 35.Re2?? (better 35.Rf2 Ne6 36.Rf7 Ng5 37.Rb7+=) 35...Ne2-+ 36.Ke2 (36.Kf2 Nc3-+) 36...Ke5 37.Kd3 Kf5 38.Kc4 Kg5 39.Kc5 Kh6 40.Kd6 g5 41.a4 g4 42.Kc7 g3 43.Kb7 g2 44.Ka7 g1Q 45.Kb7 Qc5 (better 45...c5 46.a5 Qg7 47.Kb6 c4-+) 46.a5 Qa5 (46...Qb5 47.Kc7 c5 48.a6 Qa6 49.Kd7 c4 50.Kd8 Qb7 51.Ke8 c3 52.Kd8 c2 53.Ke8 c1Q 54.Kd8 Qcc8) 47.Kc6 Kg5 48.Kd6 h5 49.Ke7 (49.Kc6 h4 50.Kb7 Qb4 51.Kc7 h3 52.Kd7 Qb7 53.Ke6 h2 54.Ke5 h1Q 55.Kd4 Qhe4 56.Kc5 Qbc6) 49…h4 (49...h4 50.Kd7 h3 51.Ke6 h2 52.Kd6 h1Q 53.Ke6 Qhd5 54.Ke7 Qad8; 49...Qd5 50.Kf8 Kf6 51.Ke8 h4 52.Kf8 Qf7) 0-1. only1b4 (2515) - ath441 (2510), Rated Bullet game, lichess.org, 2019.

4.h4 h6

5.c4 d5=+ 6.cd5 Bg4 7.Nc3 (7.Bg2 0-0=+) 7...0-0 (7...Nd5!? 8.Qb3 Be6-/+) 8.f3 Bf5 9.e4 Bd7 10.d4 c6 11.dc6 bc6 12.e5 Nh5 13.Qd2 (13.Nge2!?=) 13...Ng3=+ 14.Rh2 Nf1 15.Kf1 a5 16.h5 g5 17.Ne4 ab4 18.f4 Bf5 (better 18...gf4 19.Qf4 Kh7-/+) 19.Ng3= Qd7 20.Re1?? (better 20.fg5 Qe6 21.gh6 Bh6 22.Qb4 Ra2 23.Nf5 Qf5 24.Ke1 Ra1 25.Ba1=) 20...g4 (20...gf4 21.Nf5 Qf5 22.Rf2-+) 21.N1e2 e6 (21...Be6!? 22.Qb4 Ra2 23.Rb1-+) 22.Nf5 ef5 23.Ng3 Ra2 24.Qd3 c5 25.d5 (25.dc5 Qd3 Pinning (25...Qd3 Deflection)) 25...Rd8 26.Nf5 Bf8 27.e6 Qd5?? (better 27...fe6!? 28.Nh6 Bh6 29.Qg6 Bg7 30.Bg7 Qg7 31.Qe6 Kh8 32.Ra2 Nd7+-) 28.ef7 (better 28.Nh6 Bh6 29.Qd5 Rd5 30.e7 Rb2 31.e8Q Kg7 32.Rb2+-) 28...Kf7?? (28...Qf7 29.Nh6! Bh6 30.Qd8 Bf8+-) 29.Nh6! Bh6 (29...Bh6 30.Qg6 Mate attack) 30.Qg6 Kf8 31.Qh6 Kg8 32.Qg7 1-0. is_er_nog_hoop (2615) - FirstKnight (2605), NK Bullet Qualifier, lichess.org, 2020.

5.Bg2 d5 6.g5 hg5 7.hg5 Rh1 8.Bh1 Nh5 9.Bg7 Ng7 10.Nf3 Qd6 11.a3 e5 (better 11...Bg4=+) 12.c4?? (12.d3 Qe6=) 12...d4?? (better 12...e4 13.Qa4 c6 14.cd5 ef3-+) 13.c5 (13.d3 Qe6=) 13...Qe6 14.d3 Nc6 (14...Qh3 15.Kd2=+) 15.Kd2 (15.Nfd2 Bd7=) 15...Bd7=+ 16.Kc2 0-0-0 17.Nbd2 Ne7 18.Nc4?? (better 18.Kb2=+) 18…Ba4-+ (18...Ba4 19.Kd2 Bd1 20.Rd1 e4-+) 0-1. HighBerserker (2620) - Ashruh (2535), Rated Blitz game, lichess.org, 2021.

3.g4 Rg8

4.e3 Bg7 5.Be2 Nc6 6.b5 White fights for the Initiative 6...Nb8 7.h4 a6 8.g5 Nd5 (8...Ne4 9.Bg7 Rg7 10.Bf3=) 9.Bg7+= Rg7 10.c4 Nb6 11.c5 Nd5 12.Qb3 e6 13.Bc4 (13.Nc3 Nc3 14.Qc3 Rg8+/-) 13...ab5+= 14.Bd5 ed5 15.Qd5 Qe7 (15...Nc6 16.Nc3 b4 17.Ne4+=) 16.Nc3+/- c6 17.Qd4 Rg8 (17...Kf8!?+/-) 18.Ne4+- Ra4? (better 18...Rf8+-) 19.Nf6 Kd8 (19...Kf8 20.Nh7 Ke8 21.Nf6 Kf8 22.Ng8 Kg8+-) 20.Ng8 Qf8 (20...Rd4 21.Ne7 Rd3 22.Ke2+-) 21.Qf6 Kc7 (21...Ke8 22.Qh8 Na6 23.h5 gh5 24.d4+-) 22.Ne7 Na6 (22...b6 23.h5 gh5 24.cb6 Kb6 25.Rh5+-) 23.d4 (23.Qd6 Kd8 24.Nc6 bc6 25.Qf8 Kc7 26.Qf7 Nc5 27.Qh7 Ba6 28.Qg6 b4+-) 23...Nb4 (23...Qe8 24.h5 gh5 25.Rh5+-) 24.Rb1 (better 24.Qd6 Kd8 25.Nc6 bc6 26.Qf8 Kc7+-) 24...Nd3 Black intends b4 (24...Qe8 25.h5 gh5 26.Rh5 Ra2 27.Rb4 Ra1 28.Kd2 Ra2 29.Kc3 Ra3 30.Kb2+-) 25.Ke2 Ra2 (25...Nc5 26.dc5 Kb8 27.h5 gh5 28.Rh5+-) 26.Kd3 b6 (26...Ra3 27.Kd2 Kb8 28.h5 gh5 29.Rh5 Ra2 30.Ke1+-) 27.Ne2 (27.Qd6 Kb7 28.cb6 Ka8+-) 27...b4 (27...bc5 28.dc5 Kb7 29.Ra1 Re2 30.Rhb1 Rd2 31.Kd2 Qe7 32.Qe7 h5 33.Rb5 Kc7 34.Ra7 Bb7 35.Rab7 Kc8 36.Qd7) 28.Nf4 (better 28.cb6 Kb7+-) 28...Ba6 29.Ke4 White prepares the advance d5 29...d5 (29...bc5 30.dc5 Bb5 31.Rb4+-) 30.cd6 Kd7 31.Kf3 (31.Neg6 hg6 32.Ng6 Bd3 33.Kd3 Ra3 34.Ke4 Qd6 35.Ne5 Kc7 36.Qf7 Kd8+-) 31...Bb7 (31...c5 32.Rhc1 Ra3 33.dc5 bc5 34.Rc5+-) 32.e4 (better 32.Nd3!? Ra5+-) 32...c5 (32...Ra4 33.h5 Ra3 34.Ke2+-) 33.d5 (33.Ra1 Ra3 34.Ra3 ba3 35.Nd3 Be4 36.Ke4 Qb8 37.Ne5 Kd8 38.Qh8) 33...Qa8 (33...Qe8 34.Ra1 Ra3 35.Ra3 ba3 36.Nd3 Bd5 37.Ne5 Kd8 38.N7c6 Kc8 39.d7 Kb7 40.de8Q Be4 41.Ke4 h5 42.Nd8 Ka7 43.Qff7 Kb8 44.Qb7) 34.Rhd1 (34.Nc6 Ra3 35.Kg2 Qe8 36.Ne5 Kc8 37.d7 Qd7 38.Nd7 Ra2 39.Nb6 Kc7+-) 34...Qa3 35.Kg2 (35.Kg2 Qe3 36.Rf1 Qe4 37.Kg1+-; 35.Rd3 Rf2 36.Kf2 Qa2 37.Ne2 Qa7 38.Ng6 Qa1 39.Qe7 Kc8 40.Qc7) 1-0. zembelek (2125) - mehran33 (2020), Rated Blitz game, lichess.org, 2014.

4.Bg2 Ng4-/+ 5.h3 Ne5?? (better is 5...Nf6-/+) 6.Be5+- a5 7.e3 (7.b5 d6 8.Bb2 e5+-) 7...Nc6 8.Bb2 Nb4 9.Nf3 g5 10.a3 g4? 11.Nd4 Bh6?? 12.ab4 Rg5 13.hg4 Bg7 14.Rh7 Bf8 15.Rh8 d6 16.Ra5 Raa5 17.ba5 Bg4 18.Bf3 Bc8 19.Nb3 Qd7 20.Bg7! Rg1 21.Ke2 Rd1 22.Rf8 1–0. carnero – carosse, net–chess.com, 2004.

4.h3 b6 5.Bg2 c6 6.c4 e6 7.a4 (better 7.b5!?+=) 7...Bb4=+ 8.Qb3 a5 9.Nc3 Ra7 (9...d5 10.Nf3-/+) 10.Ne4 (10.Na2!? Be7 11.Rb1=+) 10...Ne4-/+ 11.Be4 d5 12.cd5 cd5 13.Bg2 Qg5 (13...Nd7!?-/+) 14.Nf3= Qf4?? (14...Qe7 15.Rc1 Ba6 16.g5=+) 15.e3?? (15.Be5 Bd2 16.Kd1 Qb4 17.Nd2 Nd7+-) 15...Qd6?? (better 15...Qc4 16.Qc4 dc4=+) 16.Be5+- Qd7 17.Bb8 Ra8 18.Bg3 Ba6 19.Rc1 Ke7? (19...f6 20.Nd4 Rc8 21.Rc8 Qc8 22.Kd1+-) 20.Ne5 (better 20.Rc7 Qc7 21.Bc7+-) 20...Qe8 (20...Rgc8 21.Rd1 Qe8+-) 21.Nc6 Kf8 (21...Kd7 22.Nb4 Rc8 23.Rc8 Qc8 24.Na6 Qa6 25.Bf1+-) 22.Nb4 ab4 (22...Bc4 23.Bd6 Kg7 24.Qb2 f6+-) 23.Qb4 Kg7 24.Be5 f6 25.Bb2 (better 25.Rc7 Kh8 26.Bf6 Rg7 27.Rg7+-) 25...Rc8 (25...Rf8 26.g5 Kg8 27.gf6+-) 26.g5 (26.Rc8 Bc8 27.g5 Rf8+-) 26...Rc1 27.Bc1 fg5 28.Bb2 Kf7 29.Bf1 (29.h4 g4 30.Qf4 Ke7 31.Ba3 Kd7 32.Qd6 Kc8 33.Qb6 Qa4 34.Qe6 Kc7 35.Qd6 Kc8 36.Bd5 Rd8 37.Be6 Rd7 38.Bd7 Qd7 39.Qa6 Qb7 40.Qc4 Qc7 41.Qg4 Qd7 42.Qc4 Qc7+-) 29...Bf1 30.Kf1 Qc6 31.Qd4 (better 31.h4 h5 32.hg5 Qc4 33.Qc4 dc4 34.Rh4+-) 31...Rf8 (31...Qc4 32.Kg2 Qd4 33.Bd4+- (33.ed4?! Ra8+-)) 32.Ke2 (better 32.Qg7 Ke8 33.Ba3 Rf7 34.Qg8 Kd7 35.Qf7 Kd8 36.Qe7 Kc8+-) 32...Ke8 (32...Qc4 33.Qc4 dc4 34.Rc1+-) 33.Rc1 Qb7 (33...Qd6+-) 34.Qe5 Qf7 (34...d4 35.Qe6 Kd8+-) 35.Rc8 Kd7 36.Qc7 1-0. Gogochari69 (1850) - Shatrnj (1850), Rated Blitz game, lichess.org, 2019.

4.h3 d6 5.Bg2 e5 6.c4 c6 7.Nc3 (7.d4 Nfd7+=) 7...Be6 8.d3 d5 9.cd5 (9.a3 d4 10.Na4 h5=) 9...Nd5=+ 10.a3 Nd7 11.e4? (11.Nd5 cd5 12.Nf3 f6=) 11...Nc3 (better 11...Nf4!? 12.Bf1 a5-/+) 12.Bc3=+ Qb6 13.Ne2 c5 14.Qa4 f6 (14...Kd8 15.f4 cb4 16.ab4 ef4 17.d4=) 15.0-0 (15.bc5 Qc5 16.d4 Qc4=) 15...Kf7 (15...cb4 16.ab4 h5 17.d4=+) 16.Rfb1= c4 (better 16...Be7!?=) 17.dc4+/- Bc4? (better 17...h5 18.c5 Qc6 19.Qc6 bc6 20.gh5 gh5+/-) 18.Qd7+- Be7 19.Ng3 Rgd8 20.Qa4 Rd3 21.Qc2 (better 21.Ne2+-) 21...Rg3+/- 22.Be5! Be6?? (22...fe5 23.Qc4 Discovered attack) 23.Bg3+- Rc8 24.Qe2 Bc4 (24...Bc4 25.Qf3 Qe6+-). Gogochari69 (1800) - iCaM8 (1805), Rated Blitz game, lichess.org, 2019.

4.h3 Bg7 5.Bg2 Nc6 6.b5+= Na5 7.Bc3 Nc4 8.d3 Nd6 (8...Nb6!?=) 9.a4+/- a6 10.g5 (10.e4!? e5 11.ba6+/-) 10...Nh5= 11.e3 (11.ba6!? Ra6 12.e3=) 11...ab5=+ 12.Bg7 Ng7 13.a5 (13.Nc3 ba4 14.Ra4 Ra4 15.Na4 Ne6=+) 13...c6 14.c3 Ra5 15.Ra5 Qa5 16.Ne2 Ngf5 (16...b4 17.h4-+) 17.e4 (17.Nd2 Nh4 18.Rg1 b4 19.cb4 Qb4-/+) 17...Nh4 18.0-0 Ng2 19.Kg2 b6 (19...h6 20.gh6 Rh8 21.Qd2-/+) 20.f4 Bb7 21.Kh2 (21.Nd2 h6!-/+) 21...b4 22.cb4 Qb4 23.Nbc3 c5 24.Qd2 e6 (24...h6 25.e5 Nc8 26.Qa2-/+) 25.Rb1 (25.e5 Nc8=+) 25...Qa5 26.Qb2 Nc8 27.Ra1 Qb4 28.Qc2 (28.Qa2 Bc6=+) 28...c4-/+ 29.Rb1 (29.Ra4 cd3 30.Qd3 Qe7-/+) 29...cd3 30.Qd3 Qe7 (30...Qc5 31.Nd1 Nd6 32.Ng3-+) 31.Nb5 (31.Na4 Qd8-/+) 31...d5 (better 31...f5!? 32.gf6 Qf6 33.Nd6 Nd6 34.Qd6 Be4-+) 32.Rc1=+ de4 (better 32...Kd8=+) 33.Qe4?? (better 33.Qd4 e5 34.fe5+/-) 33...Be4-+ 34.Rc8 Kd7 35.Rc7 Kd8 36.Re7 Ke7 37.Nec3 (37.Nbc3 Bd3 38.Kg2 Rc8-+) 37...Bf5 (37...Bd3 38.Na7 Kd6 39.Na4-+) 38.Nc7 (38.Na4-+) 38...Rc8 39.N3b5 Bd3 40.Kg3 Bb5 (40...Kd7!? 41.Kf3-+) 41.Nb5 Rc5 42.Na7 (42.Nd4 Rc3 43.Kf2 Rh3 44.Nc6 Ke8-+) 42...b5 (better 42...Kd7-+) 43.Kh4 (43.Nb5 Rb5 44.Kf3-+) 43...b4 44.Kg4 b3 45.Kf3 b2 46.Ke3 b1Q 47.Kf3 (47.Nb5 Qb3 48.Ke4 Rc4 49.Nd4 Qc2 50.Kf3 Rc3 51.Kg4 Qg2 52.Kh4 Qh3) 47...Qb3 (47...Rc3 48.Ke2 Qb2 49.Ke1 Rc1) 48.Kg4 Rc3 (48...Qd1 49.Kh4 Rc3 50.Nc6 Kd6 51.f5 Qh5) 49.h4 (49.Nc6 Kd6 50.Nd4 Qd1 51.Ne2 Qe2 52.Kh4 Qh5) 49…Rg3 (49...Qd1) 0-1. TWW_LONDON (1675) - trl_vogel (1655), lichess.org, 2020.

4.g5 Nd5

5.a3 a6 6.h4 e5 (6...h5 7.Nf3+=) 7.Bg2 (7.e4 Nb6 8.Be5+/-) 7...c6?? (7...Nf4 8.Bf3 Bg7 9.d4=) 8.c4 (8.Bd5 cd5 9.Be5 Be7+-) 8...Nb6 (better 8...Nf4 9.Bf3 d6=) 9.Nc3?? (better 9.c5 Nd5 10.Bd5 cd5 11.Be5+/-) 9...Nc4-/+ 10.Qb3 Nb2 11.Qb2 d5 12.e3 (12.d3 Bg7-/+) 12...Be6 13.d4 e4 (13...Nd7 14.Nge2-/+) 14.0-0-0 (14.f3!? f5 15.gf6 ef3 16.Nf3 Qf6 17.e4-/+) 14...Nd7 15.f3 ef3 16.Nf3 a5 (16...Nb6 17.Nd2 h6 18.gh6 Bh6-+) 17.h5? (better 17.b5-/+) 17...ab4-+ 18.ab4 Bg4 19.h6?! (19.hg6 hg6 20.Rdg1-+) 19...Bf3 20.Bf3 Qg5 21.Kd2 0-0-0 (better 21...Nb6 22.Kd3 Nc4-+) 22.Rdg1 Qe7 23.b5 Nb6 (23...Re8 24.Re1 Nb6 25.Qa2-+) 24.bc6?? (better 24.Be2 Re8 25.Rg3-+) 24…Nc4 (24...Nc4 25.Kc2 Nb2 26.Nd5 Rd5 27.Bd5 bc6-+) 0-1. jeimov (1620) - SILVERKNIGHT101 (1865), <2000 Blitz Arena, lichess.org, 2020.

5.a3 b6 6.c4 Nf4 7.e3 Ne6 8.Bg2 Nc6? (better is 8...c6 9.f4 h6+=) 9.b5+- Nb8? (9...Ng5 10.bc6 d6+-) 10.Ba8 c6 11.bc6 dc6 12.Be5 f6 (12...Bg7 13.Bg7 (13.Bb8?! Bd7 14.Be5 Be5+-) 13...Rg7 14.Qa4+-) 13.Bb8 (13.Bb8 Bd7 14.gf6 Qb8 15.Qf3 ef6 16.Bc6+-) 1–0. wlittle (2125) – nbarletta (2100), net–chess.com, 2004.

5.a3 c5 6.bc5+/- e5 (6...Qa5 7.Nf3+/-) 7.c4 Nc7 8.Be5 Ne6 9.f4 (9.Nc3 Qg5 10.d4 Qd8+-) 9...Nc5 (9...Bc5 10.e3+/-) 10.Nf3 (10.Nc3!? d6 11.Nd5 Nbd7+-) 10...d6+/- 11.Bb2 Bg7 12.d4 Ne4 13.e3 h6 14.Bd3 hg5?? (better 14...Qe7+/-) 15.Be4+- gf4 16.ef4 Qe7 17.Qd3 (17.Nc3 Kd8 18.Kd2 Nd7+-) 17...Bf5?? (better 17...f5 18.Nc3 Be6+/-) 18.Nbd2 Nc6 19.0-0-0 Be4 20.Ne4 0-0-0 21.Rhe1 Qd7 (21...Qc7 22.Kb1+-) 22.Neg5 (22.d5 Bb2 23.Kb2 Na5+-) 22...f6 (22...d5 23.cd5 Qd5 24.Qe4+-) 23.Ne6 Rge8 (23...Rde8 24.d5 Na5+-) 24.d5 Nd4 (24...Na5 25.Qg6 Bh8 26.Nd8 Rd8+-) 25.Bd4 Qa4 (25...Qf7 26.Rg1 g5 27.fg5+-) 26.Kb1 (better 26.Ng7 Re1 27.Re1 Kb8+-) 26...Rd7 27.Ka2 (27.Nc5 dc5 28.Re8 Rd8 29.Rd8 Kd8 30.Bc5 b6+-) 27...b5 (27...Rg8 28.Rg1 Bh8 29.Rg6 Rg6 30.Qg6+-) 28.Rb1 b4 (28...Qc4 29.Qc4 bc4+-) 29.Rb4 Qa5 30.Reb1 Rb7 31.Ng7 (31.Rb7 Qd2 32.Nd2 Re6 33.Rb8 Kd7 34.R1b7) 31...Rb4 32.Rb4 Re7 33.Ne6 Re6 34.de6 Qc7 (34...Qb4 35.ab4 Kb8 36.e7 Kb7 37.Qe4 d5 38.Qd5 Kc7 39.e8Q a5 40.Qed8) 35.Qg6 Qe7 (35...Qd7 36.ed7 Kd7 37.Qf7 Kc8 38.Qa7 d5 39.Rb8) 36.Qf6 (36.Qg8 Qd8 37.Qf7 Qe8 38.Qe8 Kc7 39.Qd7) 36...Qf6+- 37.Bf6 Kc7 38.e7 Kc6 (38...Kc6 39.e8Q Kc7 40.Qd8 Kc6 41.Qc8; 38...a5 39.Rb5 Kd7 40.Rb8 Ke6 41.e8Q Kf5 42.Nd4 Kf6 43.Rb7 a4 44.Qe6). alessandrocarvalhaes (1885) - Evolectric (1895), lichess.org, 2019.

5.a3 e5 6.Bg2 (6.e4 Nb6 7.Be5 Nc6+=) 6...c6 7.h4 d6 8.Bd5 (8.Nc3!? Nc3 9.Bc3=) 8...cd5=+ 9.Nc3 Be6 10.e3 a6 (10...Nc6=+) 11.h5? (11.Qf3 e4 12.Qg2 a5=) 11...Nc6 (11...Qg5 12.Qf3 Qf5 13.hg6 hg6-/+ (13...Rg6?! 14.Qf5 Bf5 15.Nd5=)) 12.hg6 hg6 (12...Rg6 13.f4=+) 13.Qf3= e4 14.Qf4 (14.Qg3 Ne5=) 14...Be7 15.Nh3 Qd7 (15...a5 16.b5 Ne5 17.0-0-0=+) 16.Ng1 Qd8 17.Nh3 Rh8 18.b5?? (better 18.Qg3 Rh5 19.0-0-0=+) 18...ab5 (better 18...Ne5 19.0-0-0 Qc8-+ (19...Bh3?! 20.Qg3-+)) 19.Qg3 Qd7?? (19...Rh5 20.0-0-0 Qa5-+ (20...Bg5?? 21.Ng5 Qg5 22.Qg5 Rg5 23.Rh8 Kd7 24.Ra8+-)) 20.Nb5?? (better 20.Nd5 Rh3 21.Rh3 Bh3 22.Qh4=) 20...Rh3-+ 21.Rh3 Bh3 22.Nc7 (22.Bg7 0-0-0-+) 22...Qc7 23.Qh3 Ne5 24.Qh8 Bf8 25.Be5 de5 26.c3 Kd7 (26...Qe7 27.Rb1-+) 27.Qf6 (27.Rb1 Kc6 28.Qf6 Bd6-+) 27...Be7 (27...Ke8!? 28.Qh8-+) 28.Qf7 Rf8 (better 28...Qc6!? 29.Qh7-+) 29.Qg6?? (better 29.Qd5 Kc8 30.Qe4-/+) 29...Qd6 30.Qh5 (30.Qh7 Qe6 31.Rb1 b6-+) 30...Qe6 (better 30...Rg8!? 31.Qe2-+) 31.Rb1 b6 32.a4 (32.c4 dc4 33.Qh4-+) 32...Kc6 (32...Rg8 33.f4 ef3 34.Qf3 Rg5 35.Rb5-+) 33.Qe2? (33.a5!? ba5 34.Qe2-/+) 33...Kb7 (better 33...Rh8!? 34.Kd1-+) 34.a5 Bc5 35.a6 (better 35.Kd1-+) 35...Ka7 36.d4 ed4 37.cd4 Be7 38.Qc2? (38.Rc1 Bg5 39.Rc7 Ka8 40.Qb5-+) 38...Rc8 39.Qa4 Bg5 40.Qb5 Qc6 41.Qe2 (41.Qc6 Rc6 42.Rb5 Rd6-+) 41...Qc3 42.Kf1 Qc2 43.Qb5 (43.Qc2 Rc2 44.Rb5 Bh4 45.Rd5 Rf2 46.Kg1 Rf3-+) 43...Rc6 44.Re1 Qd3 (better 44...Bh4 45.Qe2 Qe2 46.Re2 Rf6-+) 45.Kg1 (45.Qd3 ed3 46.Rd1-+) 45...Qb5 46.Rd1 (46.Rc1 Rc1 47.Kg2 Qe2 48.Kh2 Qf2 49.Kh3 Be7 50.Kg4 Qf3) 46...Rg6 47.Rf1 (47.Kh1 Qd7 48.Kg2 Qg4 49.Kf1 Qd1 50.Kg2 Bf4 51.Kh3 Qh5) 47...Be3 (47...Bf4 48.Kh1 Qf1) 48.Kh1 (48.Kh2 Qf1 49.fe3 Qg2) 48...Bf2 (48...Qf1 49.Kh2 Bf4) 49.Rf2 (49.Rc1 Qe2 50.Rc7 Ka6 51.Rh7 Qf3 52.Kh2 Qg2) 49...Qd3 (49...Qb1 50.Kh2 Qg1 51.Kh3 Qg3) 50.Kh2 (50.Rf7 Ka6 51.Ra7 Ka7 52.Kh2 Qd4 53.Kh3 Qh8) 50…Qg3 (50...Qg3 51.Kh1 Qg1) 0-1. beatmeeasy (1895) - Emadassad11 (1895), lichess.org, 2020.

5.a3 e6 6.e4 Nb6 7.h4 d5 8.Qe2 de4 9.Qe4 Qd5 10.Bg2 Qe4 11.Be4 Nd5 12.Nc3 c6 13.0-0-0 (13.h5 a5 14.b5 Nc3 15.Bc3 cb5+=) 13...Nd7 14.Na4 (14.Nge2 Nc7+=) 14...N7b6 (14...b5 15.Nc3=) 15.Nb6 ab6 (15...Nb6!? 16.h5 a5+=) 16.c4+/- Nf4 17.Nh3 Bd6 18.f3 Nh3 19.Rh3 e5 20.Rh2 c5 (20...Be6 21.d3+=) 21.b5 Ke7 22.Re2 f6 (better 22...Be6!? 23.Bb7 Ra7+/-) 23.gf6+- Kf6 24.f4 Re8 25.fe5 (better 25.Rde1!?+-) 25...Be5+= 26.Rf1 Kg7 27.Be5 Re5 28.Kb2 Bf5 29.Bb7?? (better 29.Rfe1+=) 29...Re2-/+ 30.Ba8 Rd2 31.Ka1 Bd3 (31...Rd4 32.Bd5 Rh4-+) 32.Re1? (better 32.Rf4-/+) 32...Bc4-+ 33.Bc6 Ra2 34.Kb1 Ra3 35.Kb2 Rb3 36.Kc2 Rh3 (36...Rb4 37.Re4-+) 37.Kd2 (37.Re7 Kh6-+) 37...Rh4 38.Re7 Kf6 39.Re3 (39.Rb7-+) 39...Rh2 40.Kc3 Be6 41.Rf3 Ke5 42.Re3 Kd6 43.Rd3 Ke7 44.Re3 (44.Rd1 Rh3 45.Kd2 c4-+) 44...Rh3 45.Rh3 Bh3 46.Kc4 (46.Be4 Bf5 47.Bd5 h5-+) 46...Kd6 47.Kd3 g5 (47...Bd7 48.Bf3-+) 48.Ke3 Bf5 49.Kf3 h5 50.Kg3 h4 51.Kf3 h3 52.Kg3 g4 53.Kh2 Ke5 54.Kg3 Be6 (better 54...c4 55.Kf2-+) 55.Kh2 (55.Be8 Kf5 56.Bc6-+) 55...Kf4 56.Kg1 g3 57.Kh1 (57.Kf1 Bc4 58.Ke1 Ke3 59.Be4 g2 60.Kd1 g1Q 61.Kc2 Qf2 62.Kc1 h2 63.Bc2 h1Q 64.Kb2 Qf6 65.Ka3 Qha1) 57...Bf5 (57...c4 58.Ba8 c3 59.Kg1 c2 60.Bg2 h2 61.Kh1 c1Q 62.Bf1 Qf1) 58.Kg1 c4 59.Kh1 (59.Bg2 c3 60.Bd5 c2 61.Bc4 h2 62.Kg2 Bh3 63.Kh1 c1Q 64.Bf1 Qf1) 59...Be4 (59...c3 60.Bg2 c2 61.Kg1 h2 62.Kh1 c1Q 63.Bf1 Qf1) 60.Be4 (60.Kg1 h2 61.Kf1 h1Q 62.Ke2 Qg2 63.Ke1 Ke3 64.Be4 Qe2) 60...Ke4 61.Kg1 Kf3 (61...Ke3 62.Kf1 c3 63.Ke1 c2 64.Kf1 c1Q) 62.Kh1 (62.Kf1 g2 63.Ke1 g1Q 64.Kd2 Qe3 65.Kc2 h2 66.Kb2 h1Q 67.Kc2 Qhc1) 62...c3 63.Kg1 c2 64.Kh1 (64.Kf1 c1Q) 64…c1Q 0-1. b4_Bb2 (1745) - Rubao74 (1755), lichess.org, 2020.

5.a3 Bg7 6.Bg7 Rg7 7.e4 (7.d4 Nb6+=) 7...Nb6 (7...Nf4 8.Ne2 Ne6 9.f4=) 8.c4+= d6 9.Nc3 N8d7 (9...e5!? 10.Nf3 Bg4=) 10.d4+/- Nb8 11.c5 dc5 12.bc5 N6d7 13.Nf3 Nf8 (13...f6 14.Rb1+/-) 14.d5 Bg4 15.Bg2 (15.Qa4 c6 16.Ne5 Bd7+/-) 15...e6 (15...e5 16.Rb1 Bf3 17.Bf3+/-) 16.Qd4 Rg8 17.h4 Bf3 18.Bf3 ed5 (better is 18...Nfd7+/-) 19.Qe5+- Qe7 20.Qe7 Ke7 21.ed5 Nbd7+/- 22.c6 bc6 23.dc6 Ne5 24.Be2 Nc6? 25.Bf3+- Re8 26.Bc6 Nd7 27.0-0-0 1–0. wlittle (2305) – nbarletta (2110), net–chess.com, 2003.

5.a3 h6 6.c4 Nb6 7.c5=.

5.b5 e6 6.h4 Bc5 7.e3 c6 8.bc6 (8.Nf3 cb5 9.Bb5 Qb6+=) 8...Nc6 9.c4 Nde7 10.Nf3 a6 (10...d5 11.Bf6+=) 11.Ne5 (11.d4 Bb4 12.Bc3 d5+/-) 11...Ne5+= 12.Be5 d5 13.Bf6 (13.Nc3 Nc6 14.Bf6 Be7 15.cd5 ed5 16.Be7 Ne7+=) 13...Bd7 (13...dc4!? 14.Qf3 Qd5=) 14.cd5+= ed5 15.Nc3 Be6 16.Qa4 b5? (16...Qd7!?+/-) 17.Nb5! ab5? (better 17...Bd7 18.Qc2 Qb6+-) 18.Bb5?? (better 18.Qb5 Qd7 19.Qc5+-) 18...Kf8-/+ 19.Qf4 Qa5 (19...Bd6 20.Qd4-/+) 20.Bd3 (20.a4!?=+) 20...Bb4-/+ 21.0-0 Bd2 (21...Qa3 22.Rfb1 Bd6 23.Qd4-/+) 22.Qd6 Bb4?? (better 22...Qd8 23.Qd8 Rd8-/+) 23.Be7+- Ke8 24.Qc6 (better 24.Qb4 Qb4 25.Bb4+-) 24...Ke7-+ 25.Qb7 Kf8 26.a3 (26.Rab1 Be7-+) 26...Bd6 (26...Bc3 27.Rab1-+) 27.a4 Rb8 28.Qc6 (28.Qa6 Qb4 29.e4 Rb6-+) 28...Be5 29.Rab1 Rb1 30.Rb1 Kg7 31.f4 (31.Qa6 Qd2 32.Bf1-+) 31...Bc3 (better 31...Qd2 32.Qc1 Qd3 33.fe5 Qe4-+) 32.Rb5 Qa4?? (better 32...Rc8 33.Qc8 Bc8 34.Ra5 Ba5-) 33.Qc3+- f6?? (better 33...d4 34.Qd4 Qd4 35.ed4 Rd8+-) 34.Qf6 1-0. FelixMart (1625) - albetard (1675), Rated Rapid game, lichess.org, 2020.

5.e4 Nb4 6.a3 N4c6 7.Nf3=+.

5.e4 Nb6 6.Nc3 (6.c4 d6+=) 6...d6 7.Nd5 Nd5 8.ed5 e5 9.d4 (9.de6 A) worse 9...Qg5 10.ef7 Kf7 11.Bc4 Be6 12.Qf3 Qf5 13.Be6 (worse 13.Qb7 Bc4 14.Qc7 Be7 15.Qc4 d5=) 13...Ke6 14.Qb7+/-; B) 9...Be6 10.Nf3 Bd5 11.Qe2 Qe7=) 9...Bg7 (9...Qg5 10.Qe2 Nd7 11.Nf3-/+) 10.de5 (10.h4 ed4 11.Qe2 Kf8=) 10...Be5 (10...Qg5 11.Qe2 Qe7-/+ (worse 11...Be5 12.Nf3 Qe7 13.Ne5 de5 14.Qe5+=; 11...de5?! 12.Nf3 Qe7 13.Ne5-/+)) 11.Be5 de5 12.Nf3 f6 (12...e4 13.Qe2 Qd5 14.c4=) 13.Bg2 (13.Bb5!? Bd7 14.Qe2+=) 13...e4= 14.Nd4 (14.Qe2 f5= (worse 14...Qd5 15.gf6 Bg4 16.Rd1+=)) 14...f5=+ 15.Ne6 (15.Qd2 Qd5 16.Rd1 a5=+ (16...Qa2?? 17.Nb5 Kf7 18.Nc7+-)) 15...Qe7 (15...Be6 16.de6 Qg5 17.0-0-/+) 16.Qd4 Be6 17.de6 Qe6 18.0-0 (18.Bf1 Qe7 19.Rg1-/+) 18...Nd7 (18...Nc6!? 19.Qd2 Qd6 20.Qd6 cd6-/+) 19.Rad1 (19.f3 Qe7 20.fe4 Qg5+=) 19...b6 (19...Qe7 20.f3 0-0-0 21.Qe3=+) 20.f3= Rg7?? (better 20...0-0-0 21.fe4 Ne5 (worse 21...Qa2 22.Ra1 Qc2 23.Rfc1+/-) 22.ef5 gf5=) 21.fe4 (better 21.Qg7 0-0-0 22.fe4+-) 21...fe4 (21...Qe5 22.Qe5 Ne5 23.ef5 Rd8+-) 22.Be4 (better 22.Bh3! 0-0-0 23.Be6+- (23.Qg7?! Qh3 24.Qe7 Qg4 25.Kh1 Qe2+-)) 22...0-0-0 23.Rfe1 Ne5?? (23...Qf7+-) 24.Bd5 (24.Qd8) 24...Qd5 (better 24...Nf3! 25.Bf3 Qe1 26.Re1 Rd4-/+) 25.Qd5= Rd5 26.Rd5 Nc4?? (better 26...Nf3 27.Kf2 Ne1 28.Ke1 Rf7=) 27.Rd4 Nb2? (27...b5+-) 28.Red1 (better 28.b5 c5 29.bc6+-) 28...Na4?? (better 28...Nd1 29.Rd1 Re7=) 29.Rd8+- Kb7 30.a3 Re7 31.Re1?? (better 31.R8d7 Re5 32.h4+-) 31...Re1-+ 32.Kf2 Re4 (32...Rc1 33.Rd2-+) 33.b5 (33.Rd7 Rc4-+) 33...Rc4 34.Rb8 (34.Ke3-+) 34...Kb8 35.Kg3 Kb7 0-1. EvgeniyR (1635) - Teasy (1645), Rated Bullet game, lichess.org, 2018.

4.g5 Ne4

5.Nf3 d5 6.d3 Nd6 7.h3 Bg7 8.Bg7 Rg7 9.Qd2 f6 10.h4 Bf5 11.Bh3 Qd7 12.gf6 (12.Bf5!? Qf5 13.Nd4=) 12...ef6=+ 13.Bf5 Qf5 (worse 13...gf5 14.Nc3 c6 15.0-0-0+=) 14.Nd4 Qe5 15.c3 Nd7 (15...Re7!?=+) 16.f4+= Qh5 (16...Qe7 17.Rh3+=) 17.Ne6+/- Re7?? (better 17...Kf7 18.Ng7 Kg7+/-) 18.Nc7+- Kd8 19.Na8 Kc8 20.a4 (better 20.c4 Qf3 21.Rf1 Qg3 22.Kd1+-) 20...Kb8 21.Na3 Ka8 22.Nb5 Nb5 (better 22...Nf5!? 23.Nc7 Kb8 24.Nd5 Qf3+-) 23.ab5+- Nb6 24.Qa2 Kb8 25.Qa7 Kc7 26.Rh2 g5? (better 26...Qf3 27.Ra6 Re6 28.Qb6 Rb6 29.ef3 ba6 30.ba6 Ra6+-) 27.fg5 fg5 28.c4! dc4 29.dc4?? (better 29.Ra6! Re6 30.Rb6 Rb6 31.Qa1 (31.dc4?! Qg4 32.Rf2 Qh4=) 31...cd3 32.Qc3 Kb8 33.Qe5 Ka7 34.hg5+-) 29...Qg4= 30.Rf2 Qc4?? (30...Qg1 31.Rf1 Qg3 32.Kd1 Qe3-+) 31.Qa3 (31.hg5 Qc3 32.Kf1 Qh3 33.Kg1 Qg4 34.Rg2 Qd4 35.Kh1 Qh4 36.Rh2 Qe4 37.Kg1 Qe3 38.Kf1 Rf7 39.Kg2 Qg5 40.Kh1 Qd5 41.Kg1 Rg7 42.Kf2 Qf7 43.Ke1 Rg1 44.Kd2 Qf4 45.Kc2 Qc4 46.Kd2 Qb4 47.Kc2 Qc5 48.Kd2 Nc4 49.Kc2 Na3 50.Kd2 Qd6 51.Kc3 Nb5 52.Kc4 Rg4 53.e4 Re4 54.Kb3 Qb4 55.Kc2 Qc3 56.Kb1 Re1 57.Ka2 Ra1) 31...gh4?? (better 31...Qh4 32.Qc3 Kb8 33.Qh8 Kc7 34.Rc1 Nc4 35.b6 Kd7 36.Rd1 Nd6+/-) 32.Rc1+- Qc1 33.Qc1 Kb8 (33...Kd7 34.Rf8 Nd5+-) 34.Rf8 Ka7 (34...Re8 35.Re8 Ka7 36.Qa3 Na4 37.Qa4 Kb6 38.Qa5) 35.Qa3 (35.Qa3 Na4 36.Qa4 Kb6 37.Qa5) 1-0. beatmeeasy (1905) - Jlar (1895), lichess.org, 2021.

5.Nf3 Bg7 6.c3 d6?? (better 6...d5=) 7.d3+- Nf2 8.Kf2 Nd7 9.d4 Nb6 10.e4 Bd7 11.a4 Bg4 (11...a5 12.b5+-) 12.h3 (12.a5 Nd7+-) 12...Bh5 13.Qb3 e6 14.a5 Nd7 15.Nbd2 Rf8 (15...h6 16.h4+-) 16.c4 (16.a6 b6+-) 16...f5 17.e5 (17.ef5!? gf5 18.a6 ba6+-) 17...de5 18.de5 c5 19.bc5 Nc5 (19...Qc7 20.Bg2+-) 20.Qb5 Nd7 21.Bc3 (21.Qb7?! Rb8 22.Qa7 Rb2=) 21...b6 (21...Bf3 22.Nf3 (22.Kf3?! Qg5 23.Qb7 Rd8+/-) 22...Rb8 23.Rd1+-) 22.a6 (22.ab6 Qb6 23.Qb6 Nb6+- (23...ab6?? 24.Ra8 Kf7 25.Ra7+-)) 22...Qc7 23.Re1 Kf7 24.Bg2 (24.Bb4!? Nc5+-) 24...Rac8 25.Nb1 Kg8 26.Nd4 (26.Rhf1 Bf3 27.Kf3 Qc4 28.Qd7 Rfd8+/-) 26...Rfe8? (better 26...Ne5 27.Re3 f4 28.Re5 Qe5 29.Qe5 Be5 30.Ne6 Bc3 31.Nc3 Rc4 32.Nf8 Rc3+/-) 27.Bb7+- Rcd8 28.Nc6 Ne5?? (28...Nc5 29.Nd8 Rd8+-) 29.Be5 Qd7 (29...Be5 30.Qe5 Rd7 31.Qc7 Rc7 32.Nc3+-) 30.Nd8 Rd8 31.Qd7 Rd7 32.Bg7 Kg7 33.Re6 Rd4 (33...h6 34.gh6 Kh6 35.Nc3+-) 34.Rc6 (34.Bd5 h6 35.Re7 Kh8 36.Ra7 Rf4 37.Kg3 Bf3 38.Kf4 Bh1 39.Rd7 Bg2 40.a7 hg5 41.Kg5 Bd5 42.cd5 Kg8 43.a8Q) 34...Rf4 35.Kg3 Rd4 (35...Rf3 36.Kg2 Re3 37.Rc7 Kf8 38.Rh7+-) 36.Re1 (36.Rc7 Kf8 37.Re1 Rd3 38.Kf2 f4 39.Rc8 Kf7 40.Bd5 Rd5 41.cd5 Be2 42.Re2 f3 43.Kf3 h6 44.d6 hg5 45.Re7 Kf6 46.Rf8) 36...Rd3 37.Kh2 Rd7 38.Ree6 (38.Rc8 h6 39.Bc6 Rf7+-) 38...Bf3 (38...h6 39.gh6 Kh6 40.Rcd6+-) 39.h4 (39.Rcd6 Rd6 40.Rd6 Be4 41.Be4 fe4 42.Rd7 Kg8 43.Ra7 e3 44.Rb7 e2 45.a7 e1Q 46.a8Q Qe8 47.Qe8) 39...Bc6 40.Bc6 Rc7 (40...Rd1 41.Re7 Kf8 42.Ra7 Rb1 43.Rh7 Rb2 44.Kg3 Rb3 45.Kf4+-) 41.Bd5 1-0. beatmeeasy (1880) - equityplus (1905), lichess.org, 2021.

5.Bg2 d5 6.h4= Bf5 (better is 6...Qd6!? 7.a3 Bg7 8.Bg7 Rg7+=) 7.d3+/- Nd6 8.Nd2 (8.Bd5 h5+/-) 8...Nd7 (8...c6!?+=) 9.Bd5+/- Nb6 10.Ngf3?? (better is 10.Bg2 Na4 11.Be5+-) 10...Nd5+= 11.e4 Nb4 12.ef5 Nf5 13.a3 Nc6 14.Ne4 Nd6 15.Qe2 Ne4 16.Qe4 Qd6 17.d4 0-0-0 18.0-0-0 White prepares d5 18...f5 19.gf6 (19.Qe3!?=) 19...ef6-/+ 20.d5 Bh6 21.Kb1 Rge8 22.Qa4 Ne7 23.h5 Nf5 (23...Qf4!? 24.Qf4 Bf4 25.hg6 hg6+=) 24.hg6 hg6 25.Nd4 (25.Qa7 c6+=) 25...Bf8 (25...Nd4 26.Rh6 Qd5 27.Qa7 b5 28.Qa6 Qb7 29.Qb7 Kb7 30.Rd4 Re1 31.Ka2 Rg8+-) 26.Ne6 Rd7 27.Qa7 Rf7?? (27...Qa6 28.Qa6 ba6 29.Rhg1+/-) 28.Rhe1 (28.Qa8 Kd7 29.Qa4 Ke7 30.Rhe1+-) 28...Bh6?? (better is 28...Qa6 29.Qa6 ba6+/-) 29.Qa8 Kd7 30.Nc5!! (30.Nc5 Qc5 31.Qe8 Kd6 32.Qe6) 1–0. croach (2375) – samp, net–chess.com, 2016.

5.Bg2 Ng5!? 6.c4 d6-/+.

5.h4 d5=.

5.h4 e5 6.Be5 (6.Bg2 Qe7+=) 6...Bb4 7.c3 Bd6 8.Bd6 Nd6 9.Bg2 Nc6 10.Nf3 Qe7 11.d3 b6 12.a4 Bb7 13.Nbd2 a5 14.h5 (14.Rb1 h6=) 14...0-0-0 15.hg6 hg6 16.e4 f6 17.gf6 Qf6 18.Qb3 Ne5 (18...g5 19.d4=+) 19.Ne5= Qe5 20.Rf1 Qg5 21.Bf3 Rgf8 22.Be2 Qh4 23.Nf3 Qf4 24.Rg1 Ne4 25.de4 Be4 26.Qd1? (better 26.Nd4=) 26...Rde8 27.Kf1 Bf3 28.Bf3 Qf3 29.Qf3 Rf3 30.Rg6 Rc3 31.Rb1 (31.Rg4 Rc2-+) 31...Rc2 32.Rf6 Rh8 33.Kg2 Rc4 34.f3 Ra4 35.Rf7 Ra2 36.Kg3 Rg8 37.Kf4 Ra4 38.Kf5 Rb4 39.Rd1 Rb5 40.Kf6 d6 0-1. beatmeeasy (1930) - LeoFa (1990), lichess.org, 2021.

4.g5 Nh5

5.e3 d6 6.Be2 Ng7 (6...e5 7.h4=) 7.d3 (7.Nf3 e5 8.Nc3 Ne6=) 7...e5= 8.h4 Nc6 (8...h6 9.gh6 Ne6 10.h5 Bh6 11.hg6 Rg6 12.Bf3=) 9.b5 Ne7 10.Nd2 Be6? (better 10...Ne6!?=) 11.Ne4+/- Nd5 (better 11...Kd7!? 12.Nf6 Kc8 13.Ng8 Ng8+-) 12.c4+- f5?! (12...Ne3 13.fe3 Be7+-) 13.cd5 fe4 14.de6 ed3 15.Qd3 Ne6 (15...Qc8 16.Qc4 Be7 17.Rc1+-) 16.Qd5 Qe7 (16...Ke7 17.Bg4 Qd7 18.Rc1+-) 17.Bg4 (17.Bc4 Kd7 18.Qb7 Rc8+-) 17...Kd7 (17...Nc5 18.Qg8 Nd3 19.Ke2 Nb2 20.Qd5+-) 18.Qb7 Bg7 (18...Re8 19.Rc1 Qd8 20.Be5 de5 21.Qc6 Kc8 22.Be6 Re6 23.Qe6 Kb8 24.Qe5 Bb4 25.Kf1+-) 19.Qd5 (better 19.Qc6 Kc8 20.Qa8 Kd7 21.Qg8+-) 19...Rab8 (19...Qf7 20.Nf3 Ke7 21.Rc1+-) 20.a4 (20.Rc1 Rbc8+-) 20...h6 (20...Qf7 21.Rc1 Rgc8 22.f4+-) 21.Ne2 (better 21.gh6!? Bf6 22.Rc1 Rgc8+-) 21...hg5 (21...h5 22.Bh3+-) 22.hg5 Rh8 (22...Qf7 23.Rc1 Rbe8 24.Rh7+-) 23.Kd2 (23.Rh8 Bh8 24.Rc1 Ke8 25.Be6 Bg7+-) 23...a6 (23...Qf7 24.Rh8 Rh8 25.Rc1+-) 24.Nc3 (better 24.Rh8!? Rh8 25.ba6 c6+-) 24...e4 (24...Qf7 25.Ne4 Ke7 26.Rh8 Bh8 27.Rc1+-) 25.Rh8 Bh8 26.Qe4 (26.Qc6!? Kd8 27.Rh1 Qe8 28.Qe8 Ke8 29.Rh8 Nf8+-) 26...Bc3 27.Bc3 ab5 28.ab5 Rb5 29.Qa4 (better 29.Ra7 Qf7 30.Bf6 d5+-) 29...c6 (29...Qg5 30.Rh1 Qd5 31.Bd4 Qh1 32.Qb5 Ke7 33.Be6 c6+-) 30.Qa7 (30.Bf6 Rf5 31.Qa7 Nc7 32.Be7 Ke6 33.Qc7 c5 34.e4 c4 35.Bd6 c3 36.Kd3 c2 37.Qe7) 30...Ke8 31.Qe7 (better 31.Be6 Qa7 32.Ra7 Rd5 33.Bd5 cd5+-) 31...Ke7 32.Ra7 Kf8 33.Be6 Rg5 34.Bf6 Rg2 (34...Rd5 35.Ke2 Ra5 36.Ra5 g5 37.Ra8) 35.Ra8 1-0. AlbertOOO44444 (1905) - norlex2012 (1990), Rated Rapid game, lichess.org, 2019.

5.h4 Bg7 6.c3 d6 7.e3 Nc6 8.Bc4 (8.b5 Na5=) 8...Ne5 9.Bb3? (better 9.Be2=) 9...Nd3-+ 10.Ke2? (10.Kf1 h6-+) 10...Nb2 (better 10...Bg4 11.Nf3 Nb2-+) 11.Qc2 Qd7 (11...Bg4 12.Ke1 Nd1 13.d4-+) 12.Qb2-/+ Qg4 13.Kf1 Bf5 (13...h6 14.gh6 Bh6 15.Ne2-/+) 14.Bc2 (14.Bd5 Be4 15.Be4 Qe4-/+) 14...0-0-0 (14...Bd7 15.Ne2-/+) 15.Bf5 gf5 (15...Qf5!? 16.Ne2 f6-/+) 16.d4=+ Qd1 (16...Qe4 17.Rh2 f4 18.Qe2=+) 17.Kg2= f4 (better 17...Qd3 18.Qe2 Qe4 19.Qf3 e5=) 18.Nf3 (better 18.Qe2 Qe2 19.Ne2 fe3 20.fe3=) 18...Qd3-/+ 19.Qd2 Qf5 20.Kf1 h6 (20...e5 21.Ke1-+) 21.Ke1 hg5 22.hg5 fe3 23.Qe3 Nf4 24.Nh4 (better 24.Kd2!?-/+) 24...Qg4-+ 25.Nd2? (better 25.Qf3 Qg5 26.Nd2-+) 25...c5 (better 25...Rh8!? 26.Qf3 Rh4 27.Qg4 Rg4 28.Nf3-+) 26.bc5? (better 26.Qf3 Qf3 27.Ndf3 cd4 28.cd4=) 26...Qh4?? (better 26...Rh8 27.Qf3 Rh4 28.Qg4 Rg4 29.cd6 ed6-+) 27.Rh4+/- Ng2 28.Ke2 Ne3 29.Ke3 (29.fe3!? dc5 30.Rf1 cd4 31.cd4+/-) 29...dc5= 30.Ne4?? (better 30.Nf3=) 30...cd4-+ 31.cd4?? (better 31.Ke2 dc3 32.Rc1-/+) 31...Bd4 32.Kf3 Ba1 33.Nc5 (33.Rh7 Rg7 34.Rh1 Be5 35.Rc1 Kb8-+) 33...Rg5 34.Rb4 (34.Nb3 Bf6 35.Rc4 Kb8-+) 34...b6 (better 34...Rc5 35.Re4 Bf6 36.Re2-+) 35.Ne4 (35.Nb3 Be5-+) 35...Re5 (35...Ra5 36.Rc4 Kb8 37.a4-+) 36.Kg2 (36.Rc4 Kd7-+) 36...Rd1 37.f3 (37.Rc4 Kd8 38.Ng3-+) 37...Rg5! 38.Ng5 Rd2 39.Kh3 Ra2 (39...f6 40.Ne6-+) 40.Kg4 (40.Nf7 Kc7-+) 40...Ra3 (better 40...f6!? 41.Ne6-+) 41.Nf7 Rf3?? (better 41...Kc7 42.Rb1-+) 42.Nd6?? (better 42.Kf3 Bf6 43.Ke4+-) 42...Kd7 (better 42...ed6 43.Kf3 Kb7-+) 43.Rd4?? (43.Kf3 Kd6 44.Ra4 Bc3 45.Ra7 e5-+) 43...Ke6 (better 43...Bd4!? 44.Kf3 Kd6 45.Ke4-+) 44.Nf5 (44.Ra4 Rf1 45.Nc8-+) 44...Ke5 (better 44...Rf5 45.Ra4 Ra5-+) 45.Kh5 (45.Kh5 Rf5 46.Kg4 Bd4 47.Kh3 Kf4 48.Kg2 Rg5 49.Kh3 Bf2 50.Kh2 Kf3 51.Kh3 Rh5). EvgeniyR (1715) - ssaammiirr (1755), Rated Blitz game, lichess.org, 2020.

3.g4 h6

4.Nc3 Bg7 5.h3 b6 6.Bg2 c6 7.a3 Bb7 8.Rb1 d5 9.e4 de4 10.Ne4 Ne4 11.Be4 Bb2 12.Rb2 0-0 13.b5 e6 14.bc6 Bc6 15.Bc6 Nc6 16.Qf3 Nd4 17.Qe3 Qf6 18.f3 Nf3 19.Nf3 Qb2 20.Ke2 Qc2 21.Nd4 Qc4 22.d3 Qa2 23.Kf3 Qa3 24.g5 hg5 25.Qg5 Qd3 26.Qe3 Qe3 27.Ke3 a5 0–1. srgnick – Zzzzzzag, lichess.org, 2017.

4.d3 Bg7 5.h3 d6 6.Bg2 e5 7.e3 Nc6 8.a3 a6 9.Nd2 b5 10.Bc6 Bd7 11.Ba8 Qa8 12.Ngf3 Ng4 13.hg4 Bg4 14.Rb1 f5 15.Rg1 h5 16.e4 f4 17.c4 bc4 18.dc4 Qc8 19.Qc2 h4 20.c5 Bf8 21.cd6 Bd6 22.Be5 Be5 23.Ne5 Be6 24.Ng6 Rg8 25.Qc6 Bd7 26.Qf6 Qb7 27.Qe7 1–0. adabriwala (1610) – lingga105 (1610), lichess.org, 2018.

4.e3 b6 5.Qf3 c6 6.a3 Bb7 7.h4 Bg7 8.g5 hg5? (better is 8...Nh5 9.Bg7 Ng7) 9.hg5 Rh1 10.Qh1 Nh5 11.Bg7 1–0. Wall,Bill – Guest1252880, playchess.com, 2012.

4.f4 e6?? 5.g5+/- Bg7 6.Bf6 (6.gf6!? Bf6 7.Qc1 d6+-) 6...Bf6+/- 7.Nc3?? (better is 7.gf6 Qf6 8.d4 Qh4 9.Kd2 Qf4 10.e3+/-) 7...hg5-+ 8.fg5 Bg5 9.d3? (9.e3 Bh4 10.Ke2 d5-+) 9...Be3 (better is 9...Bh4 10.Kd2 Qg5 11.e3-+) 10.Nf3 g5 11.d4 f5 12.Qd3 Bf4 13.e3 Bd6 14.a3 g4 15.Nd2 Rh2 16.Rh2 Bh2 17.0-0-0 Nc6 (17...a5 18.b5-+) 18.d5 Ne5 19.Qd4 b6 (better is 19...Nf7-+) 20.Bg2 Bb7 21.Rh1 Qh4 22.Nf1 Qe1 (22...c5 23.bc5 bc5=) 23.Kb2 c5?? (23...Nc4 24.Qc4 Be5+=) 24.dc6+- Bc6 25.Nh2 Qg3?? (better is 25...Qe3 26.Qe3 Nc4 27.Kb3 Ne3 28.Bc6 0-0-0+-) 26.Bc6 dc6 27.Nf1 Qf3 (27...c5 28.bc5 Qg2+-) 28.Rh8 Ke7 29.Ra8 (29.Ra8 Kf7 30.Ra7 Kg6 31.Qe5 Qe3 32.Rg7 Kh5 33.Qe3 f4 34.Qe5 Kh4 35.Rh7) 1–0. samp – croach (2375), net–chess.com, 2016.

4.Bg2 d6 5.f4 Nc6?? (5...e5=+) 6.Nf3?? (better is 6.g5 e5 7.b5+/-) 6...Bg4-/+ 7.Nd4 (7.c4!?-/+) 7...Nb4-+ 8.Bb7 Rb8 9.Bc6 Nd7 (better is 9...Bd7 10.Bf3 e5 11.fe5 de5-+) 10.Ne6? (10.h3 Bh5 11.Nf3-+) 10...fe6 (10...Be6 11.Bd7 Qd7 12.Bh8-+) 11.Bh8 (11.Bd7 Qd7 12.Bh8 Qc6-+) 11...Nc6 12.Rg1 Bf5 13.c3 (13.Nc3 Nc5 14.d3-+) 13...Bb1?? (better is 13...e5 14.fe5 Nce5-+) 14.Rb1=+ Rb1 (14...Qc8!?=+) 15.Qb1= Qb8 (15...Nb6 16.Qe4 d5 17.Qg6 Kd7 18.e4=+) 16.Qg6+= Kd8 17.Qe6 Qb1 18.Kf2 Qb6 19.Kf1 (better is 19.d4 Qb2 20.d5+=) 19...Nf6?? (19...Qb1 20.Kg2 Qh7 21.Qd5-/+) 20.Bg7 (20.Bf6 Qb1 21.Kf2 Qb6 22.d4 Nd4 23.Bd4+-) 20...Qb1 21.Kf2 Ne4? (better is 21...Qe4 22.Qe4 Ne4 23.Ke3 Bg7 24.Ke4 Bf6=) 22.Qe4?? (22.Kg2 Qb5 A) 23.Bf8?? Qe2 24.Kh3 Ng5 25.Rg5 Qe6 26.f5 Qf6-+ (26...hg5 27.fe6 Ke8 28.Bh6+=; 26...Qa2 27.Bh6 Qd5 28.Kh4-+); B) 23.Qe4?! Bg7 24.Kh1 Bf6+-; C) 23.c4+/-) 22...Qe4-+ (23.e3 Bg7 24.Rg7 Qc2-+) 0–1. Nautiluschess – gnomko, ICS, 1999.

4.h4 d5 5.Bh3 Bg7 6.e3 Qd6 7.a3 g5 8.h5 (8.Nf3 gh4 9.Be5 Qd8=) 8...c6 9.Nc3 Nbd7 10.d4 Nb6 11.Nf3 Ng4 12.Ng5 Ne3 (12...Nc4 13.Rb1 hg5 14.Bg4 Ne3 15.fe3 Qg3 16.Kd2 Bg4 17.Qg1 Qg1 18.Rbg1-+) 13.Nf7-/+ Kf7 (13...Nd1?! 14.Nd6 ed6 15.Rd1 Bh3 16.Rh3=+) 14.fe3?? (better 14.Qf3 Qf6 15.Qf6 Bf6 16.fe3-/+) 14...Qg3-+ 15.Ke2 Bh3 16.Rg1 (16.Qg1 Bg4 17.Kd3 Qf3-+) 16...Bg4 17.Kd3 Bd1 (better 17...Bf5 18.Ke2 Qh2 19.Kf3-+) 18.Rg3 Bh5 19.Rf1 Bf6 20.e4 Bg6 21.Kd2 (21.Bc1 Rad8 22.Be3 Nc4-+) 21...Nc4 22.Kc1 Be4 0-1. is_er_nog_hoop (2565) - HansSchmidt (2850), Rated blitz game, lichess.org, 2019.

4.e3 Bg7

5.Be2 d6 6.h4 e5 7.d3 Nc6 8.b5 Ne7 9.Nd2 (9.d4 e4=+) 9...a6 (9...Qd7 10.d4 Ng4 11.Ngf3-/+) 10.a4 (10.ba6 b6=+) 10...ab5-/+ 11.ab5 Ra1 12.Qa1 Bg4 13.f4 (13.Bg4 Ng4 14.h5 g5-/+) 13...Be2 14.Ne2 Nd7 (14...Nf5!? 15.Qa7 Ng4-/+) 15.Nf3 h5 16.fe5 de5 17.Ne5 (17.e4!? f6 18.Qa7=+) 17...Ne5-/+ 18.Be5 Qd5 19.Bg7 Qh1 20.Kd2 Qa1 21.Ba1 0-0 (21...Rg8 22.Bf6-/+) 22.Ng3 (22.Bf6 Nd5 23.Bd4 c6-/+) 22...Ra8 23.Bc3 Nd5 24.Bd4 Ra2 25.Kc1 (25.Ne4 f5 26.Nc3 Nc3 27.Kc3 Ra4-+) 25...Nb4-+ 26.Bb2 Ra5 27.Ne4 (27.b6 cb6 28.Kd2 Ra2-+) 27...Rb5 28.Nf6 Kf8 29.Ba3 Kg7 (29...c5!? 30.Kd2-+) 30.Ne8 Kh7 (30...Kh6 31.Nc7 Rb6 32.Bb4 Rb4 33.d4-+) 31.Nc7-/+ Na2 32.Kd2 Rf5 33.Ne8 (33.d4!? g5 34.hg5-/+) 33...Rf2-+ 34.Kd1 Nc3 35.Kc1 Rh2 (35...b5 36.Bd6-+) 36.Be7 (36.Nf6 Kg7 37.Ne8 Kh6-+) 36...Nd5 37.Bg5 (37.Nf6 Nf6 38.Bf6 Rf2-+) 37...Rf2 (better 37...Nb4!?-+) 38.e4-/+ Nb4 39.Bd2 Nc6 40.Nd6 Nd4 41.c3?? (41.Be3!? Rc2 42.Kb1-/+) 41...Nf3 (better 41...Nb3 42.Kc2 Nd2-+ (worse 42...Rd2 43.Kb3 g5 44.hg5-+)) 42.Be3 Rf1 43.Kc2 Nh4 44.Nb7 (44.Kd2 Ng2 45.Bd4 Ra1-+) 44...Ng2 45.Bd4? (better 45.Bb6-+) 45...h4 46.c4 (46.Nc5-+) 46…h3 (46...h3 47.Be5 Nf4 48.Bf4 Rf4-+) 0-1. zembelek (2145) - siamak007 (2210), Rated Blitz game, lichess.org, 2014.

5.Nf3 d6 6.h3 a5 7.b5 e5 8.Bg2 Nbd7 9.d3 0-0 10.Nbd2 (10.g5 hg5 11.Ng5 Nc5=) 10...Re8 (10...Nc5 11.g5 hg5 12.Ng5=) 11.c4 e4 (11...a4 12.Qc2=) 12.de4 Ne4 13.Bg7 Kg7 14.Qc2 Nd2 15.Nd2 Qf6 16.0-0 Nc5 17.Ne4 (17.Nb3 Ne6+=) 17...Ne4 18.Be4 h5 19.gh5 (better 19.f3=) 19...Bh3-/+ (19...gh5?! 20.Bg2=) 20.Bg2 Qg5 21.f4 Qg2 22.Qg2 Bg2 23.Kg2 Re3 24.hg6 fg6 25.Rfe1 Rae8 26.Re3 Re3 27.b6 cb6 28.Rb1 Re2 29.Kf3 Ra2 30.Rb6 a4 31.Rb7 Kf6 32.Rd7 Ke6 33.Rg7 Kf6 34.Rd7 Ke6 35.Rg7 Kf6 (better 35...Ra3!? 36.Kg4 Rc3-/+) 36.Rd7= ½-½. chesszxj (2660) - Banelevich (2535), Rated Bullet game, lichess.org, 2021.

5.h4 d5 6.Be2 a5 7.b5 c6 8.a4 Nbd7 9.f4 Qc7 10.g5?? (better 10.Nf3=) 10...hg5-+ 11.fg5? (11.Nh3 Rh4 12.Bf1-+) 11...Nh5 (better 11...Ne4 12.Rh3 Rh4-+) 12.Bh5 (12.Bg7!? Ng7 13.d4-/+) 12...Qg3 13.Kf1 Bb2 14.Ne2 (14.Ra2 Rh5 15.Rb2 Rh4 16.Rh4 Qh4 17.bc6 bc6 18.Nf3 Qh3 19.Kf2-+) 14...Qe5 (14...Ba1 15.Ng3 gh5 16.c3+- (16.Nh5?! Ne5+/-); 14...gh5 15.Ng3 Ba1 16.c3+- (16.Nh5?! Ne5+/-)) 15.Ra2 Rh5 (worse 15...gh5 16.d4 Qe4 17.Kf2-+) 16.Nf4 Rh8 17.Qf3 Nc5 18.d4 Bd4! 19.ed4 Qd4 20.c3 (20.Kg2 Na4 21.bc6 bc6-+) 20...Qc4 21.Re2 Bf5 (21...Na4?! 22.Qe3 e6 23.bc6 bc6 24.Qe5-+) 22.Nd2 Qa4 23.bc6 bc6 24.Kg2 Rb8 (24...Ne4 25.Qe3-+) 25.Kg3 (25.h5 Ne4 26.Qe3 gh5-+) 25...e6 (25...Ne4 26.Ne4 Be4 27.Qe3-+) 26.Rhe1 Rb2 (better 26...Nd3 27.Rf1 Kd8-+) 27.Ne4 (27.Qe3 Nd3! 28.Nf3 Re2 29.Re2 Qf4 30.Qf4 Nf4 31.Kf4-+) 27...Ne4 28.Re4 Be4 29.Qe3 e5 30.Ng6 fg6 31.Qa7 Qc2 (31...Rg2 32.Kh3 Qc2 33.Qb8 Kd7 34.Qd6 Kd6 35.Re4 Rh2 36.Kg4 Qg2) 32.Re4 Qg2 0-1. zembelek (2140) - siamak007 (2275), Rated Blitz game, lichess.org, 2014.

4.Nf3 Bg7

5.Rg1 d6 6.h4 e5 7.g5 hg5 8.hg5 Nd5 9.a3 Nb6 10.e3 Be6 11.d3 a6 (11...Qe7 12.c4=+) 12.Nbd2 (12.c4 a5=) 12...N8d7 (12...Na4 13.Qc1=+) 13.Be2 (13.c4!?=) 13...Na4=+ 14.Bc1?? (better 14.Qc1=+) 14…Nc3-+ (14...Nc3 15.Bb2 Nd1 16.Rd1 Rh5-+) 0–1. jvanmechelen – tommysan, net–chess.com, 2020.

5.h3 d6 6.e3 e5 7.c4 a5 8.b5 Nbd7 (8...e4 9.Nd4=) 9.d4= 0-0 10.Be2 (10.g5 hg5 11.Ng5 Re8=) 10...ed4 (10...Qe7 11.g5 hg5 12.Ng5 ed4 13.Bd4=) 11.Nd4 (11.Bd4 Re8=) 11...Nc5=+ 12.a4 (12.Nc3 Re8=+) 12...Re8 13.Nd2 Nfe4 14.Ne4 Ne4 15.Bd3 Bd7 16.Qf3 Nc5 17.Bc2 c6 (17...Be6 18.Ne6 Re6 19.Bg7 Kg7 20.h4=) 18.0-0 Qh4 19.Kg2 h5 (19...Rac8 20.Rab1=) 20.Qg3 (20.gh5 Re5 21.Rg1 Rh5 22.Kf1-/+) 20...Qg3=+ 21.Kg3 hg4 22.hg4 Ne4 23.Be4 Re4 24.Rab1? (24.f3 Re3 25.Nc2 Bb2 26.Ne3 Ba1 27.Ra1=+) 24...Rg4-+ (worse 24...Bg4 25.bc6 Bc8 26.cb7 Bb7 27.Nb5 Bb2 28.Rb2+=) 25.Kf3 Re8?? (25...c5!? 26.Rfd1-+) 26.Rfd1? (26.bc6 bc6 27.Nc6 Rg5-/+ (27...Rc4?! 28.Na5 Ra4 29.Bg7 Kg7 30.Ra1-+)) 26...Rh4 (better 26...c5!? 27.Nb3 Rc4 28.Rd6 Bg4 29.Kg3-+) 27.Kg3 Rh5 28.Nf3 (28.Rd2 Re4 29.Kf3 Reh4-/+) 28...Bb2 (better 28...Re4 29.Nd2 Rg4 30.Kf3 Bf5 31.Bg7 Rh3 32.Ke2 Bb1 33.Rb1 Kg7 34.bc6 bc6-+) 29.Rb2-/+ d5 30.cd5 cd5 (30...cb5 31.ab5 Re4 32.Nd4-/+) 31.Rbd2 Be6 (31...Re4 32.Rd4 Be6 33.Rc1=+) 32.Rc1 Kg7 (32...Bf5 33.Rc7 (33.Rd5? Rh3 34.Kg2 Rf3-+) 33...Bc8 34.b6+=) 33.Rc7 b6 (33...Rb8 34.Kg2=+) 34.Rb7= Reh8 (34...Bf5 35.Rb6 (worse 35.Rd5 Rh3 36.Kg2 Rf3-+) 35...Rh3 36.Kg2=) 35.Rb6 (35.Nd4!? Rg5 36.Kf3 Bg4 37.Kf4+=) 35...Rh3= 36.Kf4? (36.Kg2 Bf5 37.Nd4 (37.Rd5?? Be4 38.Kf1 Bf3-+) 37...Be4 38.Kf1 Rh1 39.Ke2=) 36...R8h5-/+ 37.e4 (37.Re6 fe6 38.e4 Kf6 39.e5 Re5 40.Ne5 g5 41.Kg4 Rh4 42.Kf3 Ke5-+) 37...de4 (37...g5!? 38.Ng5 R3h4 39.Kg3 Rg4 40.Kf3 Rgg5 41.Rd4-+) 38.Ke4-/+ Bf5 39.Kf4 Be6 (39...Bb1 40.Ng5 R3h4 41.Kg3 Ra4 42.f4-/+) 40.Nd4 (40.Ke4 Rf5 41.Re6 fe6-/+) 40...R5h4 (40...Kf6!? 41.f3 Re5 42.Ne6 fe6=+) 41.Ke5= Bg4?? (better 41...Rh5 42.Kd6 Rd5 43.Kc6 Rc3 44.Kb7 Bd7=) 42.Ra6+- Bf3 43.Ra7 (43.Ra5!? Bg2 44.Kd6 Rc3+-) 43...Re4 (43...Bg2 44.Ne6 (44.Ra5?! Rh5 45.Kd6 Rd5 46.Kc7 Rc3 47.Kb6 Rd6 48.Ka7 Rc7 49.Kb8 Rb7 50.Kc8 Rbd7=) 44...Kh6 45.Rf7 Ra4 46.f4+-) 44.Kd6 Bh1 45.b6 (45.Ra5 Rc3 46.Ne2+=) 45...Rhh4+/- 46.Nc6 1-0. Iniyan,P (2505) - Yang Kaiqi (2480), Titled Tuesday 2nd Feb, 2021.

4.f4 e5

5.e3 d5-/+.

5.Be5 Bb4? 6.g5 hg5 7.fg5+-.

5.Be5 Ng4 6.Nf3 Ne5 7.fe5 Bb4-/+.

4.f4 Bg7

5.e4 d5 6.g5 Nh5 7.Bg7 Ng7 8.Qf3 hg5 9.fg5 Ne6 10.ed5 Ng5 11.Qg2 e5 12.Bb5 Bd7 13.Bd7 Nd7 14.Nc3 Qe7 15.d6 Qd6 16.b5 Ne6 17.Qb7 Rb8 18.Qa7 Nd4 19.Rc1 0-0 20.Qa4 Nb5! 21.Nge2 Nc3 22.Nc3 Rb4 23.Qa5 c5 24.a3 Qc6 25.Rg1 Rh4 26.Qb5 Qb5 27.Nb5 Rh2 28.Nd6 Ra8 29.Ra1 Ra4 30.c3 Kf8 31.Ra2 Ke7 32.Nb5 Nb6 33.Rg3 Re4 34.Kd1 Rh1 35.Kc2 c4 36.Rb2? Ree1 37.Rb4 Rc1 38.Kb2 Rb1 39.Ka2 Ra1 40.Kb2 Rhb1 41.Kc2 Rc1 42.Kb2 Nd5 43.Na7 Rcb1 44.Kc2 Nb4 45.cb4 Re1 46.Kb2 Rab1 47.Ka2 Rbd1 48.Rg2 f5 49.Nc8 Kf6 50.Nb6 Rc1 51.Kb2 f4 52.Rf2 g5 53.Rh2 g4 54.Nd7 Ke6 55.Nc5 Kf5 56.Rh5 Kg6 57.Rh4 Rb1 58.Ka2 Ra1 59.Kb2 Reb1 60.Kc2 Rg1 61.Kb2 Rab1 62.Ka2 Rbd1 63.Kb2 Rd2 64.Kc3 Rd4 65.Rh8 Rg3 66.Kc2 Ra3 67.Rg8 Kf6 68.Rg4 c3 69.Nb3 Rb4 70.Nc1 e4 71.Nd3 Rd4 72.Rf4 Ke7 73.Kb1 Rd3 74.Re4 Kd8 75.Re2 Rd1 76.Kc2 0–1. Crafty – Bringer, Kleinschmidt, L1, Cel., 1999.

4.Bg2 d5

5.h3 e6 6.a3 Bg7=.

5.h3 Bg7 6.Nf3 c6 7.d3 Na6 8.a3 Nc7 9.Nbd2 a5 10.c4 Be6 11.c5 ab4 12.ab4 Nb5 13.0-0 0-0 14.Ra8 Qa8 15.Qb3 Qc8 16.Ra1 d4 17.Nd4 Bb3 18.N2b3 Nd4 19.Nd4 Qd7 20.Nf3 Nd5 21.Bg7 Kg7 22.Ne5 Qe6 23.d4 Nb4 24.Bf3 f6 25.Rb1 Nc2 26.Rb2 Nd4 27.Nd3 Nf3 28.ef3 Rd8 29.Rb7 0–1. Adamkosh (1960) – Artwell (1870), lichess.org, 2019.

5.h4 Bg4!? 6.c4 c6-/+.

4.Bg2 Bg7

5.c4 0-0 6.h3 c6 7.d4 d5 8.c5 Nfd7 9.Nf3 f6 (9...a5 10.a3+=) 10.Nbd2 e5 11.e4 g5 (better is 11...Na6!?=) 12.Qb3+/- ed4 (12...Kh8 13.ed5 ed4 14.0-0-0+-) 13.Nd4+- Qe7 (13...Ne5 14.ed5 cd5 15.Bd5 Kh8 16.Be4+-) 14.0-0-0 (14.0-0 Ne5+-) 14...a5 (14...Ne5+-) 15.ed5 a4 (15...cd5 16.Nf5 Qe8 17.Qd5 Kh8 18.h4 gh4 19.Rh4+-) 16.Qc2 cd5 (16...Ne5 17.d6 Qf7 18.a3+-) 17.Bd5 Kh8 18.Ne6 Ne5 19.Nf8 Qf8 20.Rhf1 a3 (20...Na6 21.a3 Nc7 22.Ba2+-) 21.Bc3 Nbc6 22.f4 Ng6 (22...gf4 23.Rf4 Qe7+-) 23.Qg6 Ne7 24.Qf7 (24.Qf7 Qf7 25.Bf7+-) 1–0. katchum (2535) – croach (2365), net–chess.com, 2014.

5.e3 d5=+ 6.h3 0-0 (6...Qd6 7.a3=+) 7.Ne2 (7.Nf3 a5=+) 7...Qd6 8.b5 (8.a3=+) 8...Qb4 (8...a6 9.a4=+) 9.Bf6 (9.Ba3 Qb5 10.Be7 Re8 11.Bf6 Bf6=) 9...Bf6=+ 10.Nbc3 Rd8 (10...e6 11.Rb1 Qe7 12.d4=+) 11.Rb1 (11.Bd5 Nd7+=) 11...Qc5 (11...Qc4!?=) 12.d4+= Qc4 13.0-0 (13.Rb3 c5 14.Ra3 cd4+=) 13...c5 14.Qd2 cd4 15.ed4 b6?? 16.a3 e6 17.Qf4 Bg5=+ 18.Qg3 Be7 19.Rb3 Bb7 20.Re1 Nd7 21.Nc1? Qd4-+ 22.N3e2 Qd2 23.Re3?? Qe1 24.Kh2 Bg5 25.Rc3 Bc1 (25...Bc1 26.Nc1 Qc1-+) 0–1. coloplayah (1960) – eweram (1640), net–chess.com, 2005.

5.h3 0-0 6.d3 c6 7.e3 d5 8.Nd2 Qb6 9.a3 h5 (9...a5!?=) 10.gh5+= Nh5 11.Bg7 Kg7 12.Qb1 d4 (12...Nf6!?+=) 13.Qb2+- e5 14.ed4 (14.Nc4!? Qc7 15.ed4+-) 14...Qd4 (14...Nf4 15.Kf1 Qd4 16.Qd4 ed4 17.Nb3=) 15.Qd4 ed4 16.0-0-0 (better 16.Ne2!?+=) 16...Nf4=+ 17.Be4 (17.Rh2 Be6=+) 17...Be6 18.Ngf3 (18.Re1 a5-/+) 18...Rd8 (18...f5 19.Nd4 fe4 20.Ne6 Ne6 21.Ne4-/+) 19.Ng5 a5 20.ba5 (20.Ne6 Ne6 21.Nb3 ab4 22.ab4 Na6-/+) 20...Ra5 21.Ne6 fe6 22.Nc4 Rh5 23.Ne5?? (better 23.h4-/+) 23...Re5-+ 24.h4 (24.Kd2 Nd7-+) 24...Ra5 (24...Nd7 25.Kd2-+) 25.Kb2 Nd7 26.Rdg1 Nf6 27.Bf3 (27.Rg5 Rg5 28.hg5 Nh7-+) 27...e5 28.h5 1–0. adabriwala – OlegDrozd, lichess.org, 2019.

5.h3 c6 6.d3 d5 7.e3 a5 8.ba5 Qa5 9.Nd2 Qb6 10.Qc1 0-0 11.Ngf3 Nbd7 12.g5 hg5 13.Ng5 Nc5 14.Rb1 Qc7 15.a3 Nh5 16.Bg7 Kg7 17.Qb2 e5 18.f4 f6 19.Ngf3 Na4 20.Qc1 ef4 21.ef4 Qf4 22.Rb4 Re8 23.Kf1 Ng3 24.Kg1 Ne2 25.Kf2 Qg3 26.Kf1 Nc1 27.Rg4 Bg4 28.hg4 Nc3 29.Rh3 Qg4 30.Kf2 Re2 0–1. adabriwala – sorridiamore (1835), lichess.org, 2019.

5.h3 d6 6.d3 Nbd7 7.e3 (7.Nf3 e5=) 7...Nb6 (7...e5 8.c4=) 8.Ne2 (8.c4 e5=) 8...a5 (8...c6 9.c4=) 9.ba5 (9.b5 a4=) 9...Ra5 10.Nd2 c6 11.a3 Na4 12.Bc1 (12.Bf6!? Bf6 13.d4=+) 12...Ng4-/+ 13.Rb1 Nf6 14.Nb3 (14.d4 0-0-/+) 14...Ra8 15.Ng3?? (better 15.d4-/+) 15...Nc3-+ 16.Bb2 (16.Qf3 Nb1 17.Bb2 Na3-+) 16…Nd1 (16...Nd1 17.Rd1 Bd7-+) 0–1. adabriwala – setball (1815), lichess.org, 2019.

5.h4 d5 6.g5 Nh5 7.Bg7 Ng7=.

5.h4 d6

6.g5 hg5 7.hg5 Rh1 8.Bh1 Nh5 9.Bg7 Ng7 10.c4 c6 (10...e5 11.d4-/+) 11.d4 (11.Nf3 e5 12.Nc3 Bg4=) 11...Bf5 (11...e5!? 12.Nf3 e4-/+) 12.e4+= Bd7 13.Nc3 a5 14.b5 cb5 15.cb5 Kf8 (15...a4 16.Rb1+=) 16.a4 Ne6 17.Nf3 Qb6 (17...Ke8 18.Rc1+/-) 18.Nd5 Qd8 19.Ke2 (19.Rc1 b6+/-) 19...Bc8 20.Bg2 Ng5?? 21.Ng5 e6 22.Nh7 Kg7 23.Ndf6 Nd7 24.Nd7 Bd7 25.Qh1 Qh8? 26.Ng5 Qh1 27.Rh1 e5 28.Rh7 Kg8 29.Rf7 Bg4 30.f3 Bh5 31.Rb7 1–0. wlittle (2100) – nbarletta (1915), net–chess.com, 2002.

6.g5 hg5 7.hg5 Rh1 8.Bh1 Nh5 9.Bg7 Ng7 10.Nf3 e5 11.Nc3 Ne6=.

6.g5 hg5 7.hg5 Rh1 8.Bh1 Nh5 9.Bg7 Ng7 10.f4 e5+= 11.e3 Qe7 12.Qe2 Nc6 (better is 12...ef4!? 13.ef4 Ne6+=) 13.Nc3+= Be6 14.Qb5 (better is 14.Bc6 bc6 15.Qa6+=) 14...Rc8? (14...0-0-0 15.Bc6 bc6 16.Qa6 Kb8 17.0-0-0+=) 15.Nge2 (better is 15.Qb7!? Nd8 16.Qa7 ef4 17.Ne4+/-) 15...ef4+= 16.Nf4 (16.ef4 Bd7 A) worse is 17.Qb7 Rb8 18.Qa6 Rb6= (worse is 18...Nb4 19.Qa7 Qd8 20.Kd1+/-); B) 17.Kd1+=) 16...Nf5? (better is 16...Kd8!? 17.Qb7 Qg5+/-) 17.Qb7 (17.Ne6!? Qe6 18.Qb7 Nce7+-) 17...Nd8 18.Qg2 c6 19.Ne4 Qb7 20.Nf6 Ke7 21.a3 Qb5 22.Qh2 (22.c3 Rb8+-) 22...Qe5+/- 23.Kf2 (23.Rb1 Nd4 24.Rc1 Bc4+-) 23...Nb7+- 24.Rb1 (24.Re1 Kd8+-) 24...Ba2 25.Re1 Ng7 (25...Kd8 26.Be4+-) 26.Rg1 (26.Qh7 Qg5 27.Ng8 Rg8 28.Qg8 Qf6+-) 26...Ne8 (26...Kd8 27.Qh8 Ne8 28.Bf3+-) 27.d4 (27.Qh7!? Kd8 28.Ng6 Nf6 29.Qh8 Qe8 30.Qf6 Kd7+-) 27...Qb5 28.Qh7 Nf6 29.Ng6 (29.gf6 Kf6 30.Ng6 Qf5 31.Ke1 fg6 32.Qh4 (32.Qb7?! Re8 33.Qh7 Re3 34.Kd1 Rh3 35.Rg6 Qg6 36.Qh3 Qg1 37.Kd2 Qd4 38.Qd3 Qf2 39.Qe2 Qf4 40.Kd1 Qd4 41.Qd2 Qa1 42.Qc1 Qc1 43.Kc1 d5=) 32...g5 33.Qh6 Ke7 34.Rf1 Qf1 35.Kf1 Bc4 36.Ke1+-) 29...Kd8 (29...Ke8 30.gf6 Qf5 31.Ke1 Qc2 32.Bf3 Qc1 33.Kf2 Qc2 34.Be2 Qf5 35.Ke1 Qb1 36.Bd1+/-) 30.gf6+/- Qf5 31.Bf3 (better is 31.Kg3!?+/-) 31...Qc2= 32.Kg3 Qg6 33.Qg6 fg6 34.b5 (34.Rh1 Kc7 35.Rh7 Kb6=) 34...Na5 (34...d5 35.Rg2 Bb3 36.Bg4+=) 35.bc6= Nc6 36.Rh1 (36.Kf4 Bf7=) 36...Kc7 37.Rc1 (37.Rh7!? Kb6 38.Rd7=) 37...d5 38.Kf4 (38.e4 de4 39.Be4 Kd7-/+) 38...Kd6 39.Kg5 Re8 (39...Rg8 40.Rc2 Bc4 41.Bg4-/+) 40.Bg4 Bc4 (40...Nd8 41.Kg6 Re3 42.f7 Nf7 43.Kf7-+) 41.Rh1 (41.Kg6 Rg8 (41...Re3?? 42.f7 Kc7 43.f8Q+-) 42.Kh5 Bd3-/+) 41...Nd8 (41...Bd3 42.Rh7 Bf5 43.f7-/+) 42.Rh7+= Ne6 (42...Bd3 43.Ra7 Rf8 44.Re7 Nf7 45.Kf4+=) 43.Be6 Ke6 (worse is 43...Re6 44.Rh8 Re3 45.Rd8 Kc7 46.f7 Kd8 47.f8Q Kd7 48.Qf7 Re7 49.Qg6+/-) 44.Ra7 Bd3 45.Rc7 (45.Rh7!?+=) 45...Rh8-/+ 46.Re7 Kd6 47.Kf4 (47.Re5!? Rh7 48.Kg4-/+) 47...Rh4 (47...Rh6 48.Rb7 Ke6 49.f7 Rh4 50.Kg3-+) 48.Kg3 Re4?? (better is 48...Rh1 49.Kg4 Rg1 50.Kh4 Bf5-/+) 49.Re5= Re5 50.de5 Ke6 51.Kf4 (51.a4!?=) 51...Bb5+= 52.Kg5 Be8 (52...Ke5?? 53.f7 (53.Kg6?! Be8 54.Kg7 Bh5+-) 53...Bd3 54.f8Q+-) 53.Kf4 Ba4 54.Kg5 Be8 (54...Ke5?? 55.f7 (55.Kg6?! Be8 56.Kg7 Ke4+/-) 55...Ke4 56.f8Q+-) 55.Kf4 Kf7 56.Kg5 Bd7 57.Kf4 Ba4 58.Kg5 Bc2 59.Kh6 Ba4 60.Kg5 Be8 61.Kf4 (better is 61.Kg4=) 61...Ke6-+ 62.Kg5 Ke5 63.a4 Ke6 (63...Ba4?? 64.f7 Ke4 65.f8Q+-) 64.a5 Kf7 65.a6 Bc6 66.a7 Ba8 0–1. Buckley,Graeme N (2340) – Moussard,Jules (2570), London Classic Superrapid, 2016.

4.h3 Bg7

5.Bg2 0-0 6.c4 a5 7.b5 d6 8.e3 Nbd7 9.Ne2 a4 10.Nbc3 a3 11.Bc1 Nb6 12.d3 Nfd7 13.Rb1 e5 14.Rb3 Nc5 15.Ra3 Bd7 16.Ra8 Qa8 17.0-0 f5 18.gf5 Bf5 19.d4 (19.e4 Bd7+=) 19...ed4+= 20.ed4 Ne6 21.Nd5 Nd5 22.cd5 Ng5 23.Bg5 hg5 24.Qc1 (better 24.Qd2!?=) 24...Qa2-/+ 25.Ng3? (better 25.Qe3-/+) 25...Bd3-+ 26.Rd1?? (26.Qe3 Bf1 27.Nf1-+) 26...Qf2 (better 26...Rf2 27.Kh1 Rg2 28.Qd2 Rd2 29.Ne2 Rd1 30.Kg2 Qe2 31.Kg3 Rg1) 27.Kh2-/+ Bb5 28.Qg5 (28.Qc7 g4 (28...Bd4?! 29.Qd6 Bf6 30.Ne4 Qf4 31.Kg1=) 29.Qd6 gh3 30.Kh3 Bf6-+) 28...Ba4 (28...Bd4?! 29.Qg6 Bg7 30.Rb1=+) 29.Rf1 Qd4 30.Rf8 Kf8 31.Qg6 Be8 32.Qf5 Qf6 33.Qc8 Qg5 34.Qf5 (34.Nf1!?-/+) 34...Qf5-+ 35.Nf5 Be5 36.Kg1 Bg6 37.Be4 (better 37.Nh4!? Bd4 38.Kf1-/+) 37...Kf7-+ 38.Bc2? (38.Nh6 Kg7 39.Bg6 Kg6 40.Ng4-+) 38...Kf6 39.Ne3 Bd4 40.Bg6 Be3 (40...Be3 41.Kg2 Kg6-+) 0-1. is_er_nog_hoop (2575) - Zirva_Safarov (2535), Rated blitz game, lichess.org, 2022.

5.Bg2 0-0 6.d3 d5 7.e3 Re8 8.Nd2 e5 9.Nb3 d4 10.Qd2 de3 11.fe3 e4 12.0-0-0 ed3 13.Qd3 Qd3 14.Rd3 Nc6 15.Bc6 bc6 16.Nf3 Bb7 17.g5 Ne4 18.Bg7 Kg7 19.gh6 Kh6 20.Rd7 Kg7 21.Ne5 Nd6 22.Ng4 Bc8 23.Rc7 Bg4 24.hg4 Re3 25.Rc6 Nb5 26.Rc5 Nd6 27.Rc7 Rae8 28.Ra7 Nc4 29.Rd7 Ne5 30.Rdd1 Ng4 31.b5 Nf2 32.b6 Nh1 33.Rh1 R3e6 34.b7 Rb8 35.Nc5 Rc6 36.Nb3 Rb7 37.Na5 Rbc7 38.Nc6 Rc6 39.Rh4 f5 40.Rb4 g5 41.a4 f4 42.a5 f3 43.Kd2 Re6 44.Rb6 Re8 45.a6 f2 46.Rb7 Kh6 47.Rf7 Re6 48.Rf2 Ra6 49.c4 g4 50.Ke3 Kg5 51.Ke4 g3 52.Rg2 Kg4 53.c5 Kh3 54.Kd4 Kg2 55.Ke3 Kh2 56.Kf3 g2 57.Kf2 g1Q 58.Ke2 Ra2 59.Kf3 Qc5 60.Ke4 Ra4 61.Kd3 Qa3 62.Kc2 Rc4 63.Kb1 Rc1 0–1. adabriwala – DaniilDetkov (1730), lichess.org, 2019.

5.Bg2 0-0 6.Nf3 c6 7.0-0 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.c3 d5 12.d3.

4.h4 Bg7

5.e3 d6 6.Bh3 Nc6 7.a3 (7.g5 Nh5 (< 7...Nb4 8.gf6 ef6 9.h5+/-) 8.Bg7 Ng7=+) 7...e5 (7...Ne5 8.f3-/+) 8.Qf3 g5 9.h5 Be6 10.Ne2?? (better is 10.Qe2-/+) 10...Bd5-+ 11.Qf5 (11.Qg3 Bh1 12.Nbc3 e4-+) 11...Be4 0–1. Djakov,Joao – Acosta,Juan Carlos Angel, Internet Section, 2004.

5.Bg2 d5 6.g5 hg5 7.hg5 Rh1 8.Bh1 Nh5 9.Qc1 Nc6 10.b5 Ne5 11.c4? (11.Nc3 d4 12.Ne4 Qd7-/+) 11...dc4 (11...Nd3 12.ed3 Nf4 13.Bg7 Nd3 14.Kd1 Nc1 15.Kc1 dc4 16.Be4-+) 12.Nc3? (12.Na3 Qd7 13.Be5 Be5 14.Rb1-+) 12...Nf4-+ 13.Qc2 Bf5 14.Be4 Qd7 (14...e6!? 15.Bf5 gf5 16.0-0-0-+) 15.0-0-0 0-0-0 16.Nf3?? (better 16.Bf5 gf5 17.Qa4-+) 16...Nf3 (better 16...Ne2!? 17.Kb1 Nf3 18.Bf5 gf5 19.Ne2 Bb2 20.Kb2 Qb5 21.Ka1 Qe5 22.Nc3 Ng5 23.Qb2-+) 17.ef3 Nd3 18.Bd3 Bd3 (worse 18...cd3 19.Qb3-+) 19.Qa4 Kb8 20.a3 (20.Qb4-+) 20...Bf5 (better 20...Qf5-+) 21.Qc4-/+ Bd3 22.Qf4 (better 22.Qf7 Bd4 23.Qb3-/+) 22...Qe6-+ 23.Qb4 (23.Qg4 Bc3 24.Qe6 Bb2 25.Kb2 fe6 26.a4-+) 23...Rd4 24.Qc5 Qb3 25.Na4 (25.Ne4 Rc4 26.Qc4 Qb2) 25...Rc4 26.Qc4 Qc4 27.Nc3 (27.Bc3 Qb3 28.Bg7 Qc2) 27…Qb3 (27...Qb3 28.Rh1 Qc2) 0-1. is_er_nog_hoop (2625) - piotr35 (2710), Rated blitz game, lichess.org, 2020.

5.Nh3 d5 (5...e5 6.Be5 d6 7.Bb2 Bg4 8.Bg2=+) 6.g5 hg5 7.hg5 Nh5 8.Bg7 Ng7 9.Bg2 (9.d4 Bf5=+) 9...Nd7 (9...Bh3!? 10.c4 Ne6 11.Rh3 Rh3 12.Bh3 Nf4-/+) 10.Bd5= c6 (10...Nb6!? 11.Bg2 Rh3 12.Rh3 Bh3 13.Bh3 e5=) 11.Bg2+= Qc7 (11...Nf8 12.e3+=) 12.Nc3+- Ne5 13.d4 Ng4 14.e3 f6 15.Nf4 (better 15.Qd3 Bf5 16.e4+-) 15...Bf5?? (better 15...Rh1 16.Bh1 Bf5+-) 16.Rh8+- Kf7 17.Ra8 1–0. FeegLood (2595) – Ziltoid (1915), lichess.org, 2015.

3.h3 Bg7

4.b5 0-0 5.a4 c6 6.c4 cb5 7.cb5 d6 8.e3 Nbd7 9.Nf3 Nc5 10.Bc4 d5 11.Ba2?? Qa5 12.Nc3?? Nfd7 13.Bd5?? Bc3?? 14.Bc3+- Qc7 15.d4 Ne6 16.Bb4 a5 17.Be7 Qc3 18.Kf1 Re8 19.Rc1 Qb2 20.Rc2 Qc2 21.Qc2 Re7 22.Be6 Re6 23.Ng5 Re8 24.h4 h6 25.Ne4 b6 26.Nd6 Re6 27.Qc7 Rd6 28.Qd6 Nf8 29.f3 Bf5 30.Kf2 Rc8 31.Qb6 Rc2 32.Kg3 Nh7 33.Qa5 Nf6 34.Qd8 Kg7 35.e4 Nh5 36.Kh2 Nf4 37.Rg1 Bh3 38.Kg3 Ne2 39.Kh3 Ng1 40.Kg3 Ne2 41.Kf2 Nd4 42.Ke3 Nb3 43.Qd3 Rg2 44.Qb3 Rh2 45.b6 Rh4 46.b7 Rh3 47.b8Q h5 48.Qe5 Kh6 49.Qf7 Rf3 50.Qf3 h4 51.Qf8 Kh7 52.Qeg7# (52.Qee7#) 1–0. aleksandras19 – szagor, kurnik, 2012.

4.b5 b6 5.a4 e6 6.c4 d5 7.e3 0-0 8.Nf3 c6 9.Ne5 cb5 10.ab5 Nbd7 11.Nc6 Qc7 12.Ne7 Kh8 13.Nc8 Rac8 14.cd5 Nd5 15.Bg7 Kg7 16.Na3 Nb4 17.Be2 Nc5 18.0-0 Ne4 19.d3 Ng5?? 20.e4?? Nc6?? 21.bc6+- Qc6 22.Nc4 Nh3 23.gh3 Qc7 24.f4 f5 25.e5 Qc5 26.Rf2 b5 27.Nd6 Ra8 28.d4 Qc7 29.Nb5 Qb6 30.Nd6 Rfd8 31.Rb1 Qa5 32.Nb7 Qc7 33.Nd8 Rd8 0–1. aleksandras19 – nelu0000, kurnik, 2012.

4.e3 0-0 5.a3 d6 6.c4 Bd7 7.Nc3 a6 8.Rc1 b5 (better is 8...e5!?+=) 9.cb5+= ab5 10.Nb5 Ne4 (10...c6!? 11.Qf3 Bf5+=) 11.Bg7+/- (11.Nc7?! Ba4 12.Rc2 A) 12...Bc2? 13.Qc2 Nd7 14.Na8 (14.Qe4?! Qc7 15.d4 Nb6=) 14...Qa8 15.Bg7 Kg7 16.Qb2 Nef6 17.Nf3+-; B) 12...Ra7=) 11...Kg7 12.d3 (12.Qc2!? Bc6 13.Nd4+/-) 12...Nf6 13.a4 Nc6 14.Qb3+/- Be6 15.Qb2 Ra4+= 16.Rc6 Bd7 17.Nd4 Qb8?? 18.Nge2?? Bc6? 19.Nc6+/- Qe8 20.b5+- Qd7 21.Nc3 Raa8 22.Be2 Ng8 23.0-0 e6 24.Bf3 Rae8. lican – meiasete67, kurnik, 2012.

4.Nf3 0-0 5.a3 a5 6.b5 c6 7.c4 cb5 8.cb5 Qb6 9.e4 Qc5?? 10.d4+= Qc7 11.Nc3 Nh5? 12.e5 d6 13.Be2 de5 14.de5 Be5?? 15.Ne5 Qe5+= 16.0-0 Nf4 17.Bf3 Qg5 18.Ne4 Qf5 19.Qd4 f6 20.Ng3 Qe5?? 21.Qd2?? Qg5 22.Ne4 Qh6?? 23.Bc1+/- g5 24.Ng3 Bh3 25.Bb7 Ra7 26.Bd5 Kg7? 27.Bb2?? Rd7-+ 28.Ne4?? Rd5 29.Qe3 Bg2 30.Ng3 Bf1 31.Rf1 e5 32.Nf5 Kg6 33.Nh6 Kh6 34.Qe4? Rfd8 (34...Rfd8 35.Qa4 Kg6+=) 0–1. cogit – lucjanjawor, kurnik, 2012.

4.g4 0-0 5.g5 Ne4 6.Bg7 Kg7 7.h4 f6 8.d3 Nd6 9.Qd2 fg5 10.Qg5 e6 11.Qe5 Qf6 12.Qf6 Rf6 13.Nf3 b6 14.h5 Bb7 15.hg6 hg6 16.Nbd2 Na6 17.a3 c5 18.e4 Rf7 19.Ng5 Rf4 20.Rh7 Kf6 21.Ndf3 cb4 22.Rd7 ba3 23.e5 Kf5 24.ed6 Bf3 25.Ra3 Nb4 26.Ra2 Na2 27.Nh7 Rc8 28.Ra7 Rc2 29.Bh3 Ke5 30.d7 Rb4 31.d4 Kf4 32.d8Q Rb1 0–1. adabriwala – isik645 (1635), lichess.org, 2017.

3.h4 Bg7

4.a4 d6 5.Ra3 e5 6.Nc3 a6 7.Qa1 (7.e4!?=+) 7...Nc6-/+ 8.b5 ab5 9.ab5 Ra3 10.Qa3 Nd4 11.Kd1 0-0 12.e3 Ne6 13.f3 d5 14.Na2 d4 15.e4 c5 16.Bc4 b6 17.d3 Ne8 18.Bd5 (18.h5!?-/+) 18...Nf4-+ 19.Bc4 Ng2 20.h5?? (20.Bc1-+) 20...Ne3 21.Ke2 (21.Kc1 Qg5 22.Nh3-+) 21...Nc4 (21...Qg5 22.Nh3 Bh3 23.Bf7 Rf7 24.Qc3 Qg2 25.Ke1 Qh1 26.Kf2 Qf3 27.Ke1 Qd1) 22.dc4 Qg5 23.Nh3 (23.Kf1 Be6 24.Nh3 Bc4 25.Ke1-+) 23...Bh3 24.Kd3 (24.Rh2 Nd6 25.Bc1-+) 24…Qe3 0-1. is_er_nog_hoop (2555) - LordMustard (2500), Rated blitz game, lichess.org, 2022.

4.c4 0-0!?-/+.

4.c4 c6 5.e3+= d5 (5...c5 6.b5=) 6.cd5 (6.Nf3 a5+=) 6...cd5 7.Nf3 Bg4 8.Qa4 Nbd7 9.Ne5 (9.Nc3 0-0+=) 9...0-0 (9...Ne4 10.d4 Be5 11.de5-/+) 10.Ng4 Ng4 11.Bg7 Kg7 12.Be2 h5 (12...Ndf6 13.b5 h5 14.f3+=) 13.b5 (13.Nc3 Ndf6 14.f3 d4 15.ed4 Nh6-/+) 13...Nb6 14.Qb4 (14.Qf4 e5 15.Qg3 Rc8-/+) 14...f5 (14...d4 15.Qd4 Qd4 16.ed4-/+) 15.Bg4 (15.Nc3 Rc8=) 15...fg4+= 16.Qd4 Kh7 17.Nc3 e6 (17...Rc8 18.0-0+=) 18.Rc1 (18.a4 Qe7+=) 18...Rc8 19.Ne2 (19.Ke2+=) 19...Rc1 (19...Qe7!?-/+) 20.Nc1= Qd7 21.Qb4 Rc8 (21...Qf7 22.0-0=) 22.Nd3 Rc4 23.Qf8 (23.Qb1 Qc7=) 23...Qg7 (23...Rc7 24.0-0=) 24.Qe8 (24.Qd6 Qc7 25.Qe6 Rc1 26.Nc1 Qc1 27.Ke2 Qh1 28.Qe7 Kh6=) 24...Qd7 (24...Qf6 25.Qb8 Rc2 26.Qb7 Kh6 27.0-0 Ra2 28.Nc1 Rd2 29.Qa7+=) 25.Qd7 (25.Qf8 Rc2 (worse is 25...Qb5 26.0-0 Rc7 27.Ne5+=) 26.0-0 Rd2= (26...Qb5 27.Qf7 Kh8 28.Nf4 Qd3 29.Ne6 Qf1 30.Kf1 Rc1 31.Ke2 Re1 32.Ke1 Nc4 33.Qg7)) 25...Nd7 26.Ke2 e5 (26...Nc5 27.Nc5 Rc5 28.Rb1=) 27.a3 (27.Rb1 Kg7=) 27...Kg7+= 28.Rb1 (28.Nb4 Nb6+=) 28...Kf6 29.Rb4 Rb4 (29...Ke6 30.Rc4 dc4 31.Nb2+=) 30.Nb4= Ke6 31.f3 (31.d4 e4=) 31...gf3+= 32.gf3 (32.Kf3 Nc5+=) 32...e4 33.f4 (33.d3 Nc5+=) 33...Kd6-/+ 34.d4 (34.Na2 Kc5 35.d3 Nf6-/+) 34...Nf8 (34...Nb6-/+) 35.Kf2? (better is 35.a4!?+=) 35...Ne6-+ 36.a4 (36.f5 gf5 37.Nc2 f4 38.ef4 Ng7-+) 36...Ng7 37.a5 (37.Nc2 Nf5-+) 37...Nf5 38.a6 (38.Na2 Nh4 39.b6 a6-+) 38...ba6 39.Na6 (39.ba6 Nh4 40.Ke1 Nf5-+) 39...Nh4 40.Nb4 (40.Nc5 Nf5-+) 40...Nf5 41.Nc6 (41.Nc2 Kc7-+) 41...a6! 42.Ne5 (42.ba6 Kc6 Deflection) 42...ab5 43.Ng6 (43.Nf7 Kc7 44.Ng5-+) 43...b4 44.Ke2 h4 45.Ne5 b3 46.Kd2 Ne3! 47.Kc3 (47.Ke3 b2 Passed pawn) 47...h3 48.Ng6 h2 (48...h2 49.Ne5 h1Q 50.Nf7 Kc6 51.Kb4 b2 52.Ne5 Kc7 53.Kc5 b1Q 54.Nc4 dc4 55.f5 Qb6) 0–1. Bulcourf,Carlos (2075) – Malbran,Guillermo (2230), Liga Nacional Superior, 2016.

4.e3 d6 5.Be2 c5 6.bc5 dc5 7.Nc3 Nc6 8.h5 gh5 9.Nh3 Bg4 10.Nf4 Qd7 11.Qb1 0-0-0 12.Ba3?? (better 12.Qd1!=+) 12...Qd2-+ 13.Kf1 Qc3 14.Bb2 Qb4 15.a3 Be2 16.Ne2 Qc4 17.Ke1 Rhg8 18.g3 (18.Rg1 Ne4 19.Bg7 Rd2-+) 18...Qe4 (18...Qd5 19.Rg1-+) 19.Rh4 (19.Rg1 Ng4 20.Bg7 Rg7-+) 19...Ng4 20.Bg7 Rg7 21.Qb2 Nce5 22.Rb1 (22.Ng1-+) 22...Nf3 23.Kf1 f6 (23...Nh4 24.Qb7 Qb7 25.Nd4 Qb1 26.Ke2 Rd4 27.ed4 Qc2 28.Ke1 Nf3 29.Kf1 Qf2) 24.Nc3 Nd2 25.Kg1 Qf3 26.Rg4 (26.Qb7 Qb7 27.Rb7 Nf3 28.Kf1 Kb7 29.Rh5 Kc6-+) 26...Rg4 27.Ne4 Qe4 (27...Nb1 28.Qb1 Re4 29.c4 h4 30.Qa1 hg3 31.Qf1 Rd1 32.Qd1 Qf2 33.Kh1 Qh2) 28.Qb7 Qb7 (28...Qb7 29.Rb7 Kb7-+) 0-1. is_er_nog_hoop (2530) - Beta99 (2600), Rated blitz game, lichess.org, 2020.

4.e3 h5 5.Nf3 a5 6.b5 b6 7.Ng5 Bb7 8.Bc4 d5 9.Bd3 Nbd7 10.f4 Nc5 11.Be2 0-0 12.a4 c6 13.g4 hg4 14.Bg4 cb5 15.h5 Nh5 (15...ba4 16.hg6 fg6 17.Ne6+=; 15...Na4?! 16.Ra4 ba4 17.hg6+=; worse 15...Ng4 A) worse 16.Qg4 Bb2 17.hg6 fg6-/+ (17...Ba1?? 18.Qh4 Kg7 19.Qh6 Kf6 20.g7 Kf5 21.Qh7 Kf6 22.Rh6); B) 16.Bg7 Ne3 17.de3 Kg7 18.hg6=+) 16.Bh5? (better 16.Bg7 Ng7 17.Qe2-/+) 16...Bb2-+ (16...gh5?? 17.Qh5 Nd3 18.cd3 Bh6 19.Qh6 ba4 20.Qg7) 17.Ra2 Bf6 (17...Na4 18.Bf3 Qc7 19.Qe2-+) 18.Bg4 (18.Nh7 d4 19.Bf3-/+) 18...d4 (18...Na4?! 19.Qe2 Bg5 20.Qh2 Bh4 21.Qh4=; 18...ba4 19.Qf3 Bg7 20.d4-/+) 19.Rh3 (19.Bf3 Bd5 20.ed4 Bd4 21.Ra3-+) 19...de3 20.Re3 (20.Nh7 Qd5 21.Nf8 Qa2-+ (worse 21...Rf8 22.Ra3 Qg2 23.de3-+)) 20...Qd4 (better 20...Qd5!? 21.d4 Rfd8 22.Bf3 Qa2 23.Nc3-+) 21.Qe2 Qf4 22.Nh3 Qd6 (22...Qb4 23.Na3 Bd5 24.c3 Qa4 25.d4-+) 23.Nc3 (23.ab5 Bd4 24.Raa3 Be3 25.Re3 e5-+) 23...Rad8 (23...b4!? 24.Nd1 Qd5 25.Rb2 Na4 26.Bf3 Qf3 27.Rf3 Bf3 28.Qf3 Nb2 29.Nb2 Bb2 30.Qb3-+) 24.Nb5 Qd5 25.Raa3 (25.c4 Nd3 26.Rd3 Qd3 27.Qd3 Rd3-+) 25...Qh1 26.Qf1 Qf1 (better 26...Bh4 27.Rg3 Qf1 28.Kf1 Bg3 29.Rg3 Rd2 30.Re3-+) 27.Kf1 Rd2 28.Nf2 (28.Re2 Rfd8 29.Nf2 Bh4-+) 28...Rc2 29.Rf3 (29.Bd1 Rc1-+) 29...Rc1 30.Kg2 Bf3 31.Bf3 Rc2 32.Re3 Na4 33.Kg3 Nc3 34.Ng4 (34.Nc3 Rc3 35.Re2 b5-+) 34...Nb5 35.Bd5 Rc3 36.Nf6 ef6 37.Bf7 Kf7 38.Kg4 Re3 39.Kf4 Rc3 (39...Rfe8 40.Kg4 R8e4) 40.Kg4 (40.Ke4 Rd8 41.Kf4 Rd4) 40...a4 (40...Rfc8 41.Kf4 R8c4) 41.Kf4 Rd8 42.Kg4 (42.Ke4 Rd4) 42…Rd4 0-1. is_er_nog_hoop (2610) - Nondrovski (2520), NK Bullet Qualifier, lichess.org, 2020.

4.e4 d6 5.Be2 0-0 6.h5 Ne4 7.Bg7 Kg7 8.hg6 hg6 9.Nc3 Nc3 10.dc3 c5 11.Qd3 Nc6 12.a3 cb4 13.cb4 Bf5 14.Qc3 f6 15.g4 Be6 16.Qe3 Kf7 17.Rh7 Kg8 18.Qh6 Bd5 19.Qg7 1-0. Zobbie (2500) - Arps89 (2535), Rated bullet game, lichess.org, 2023.

4.g3 d5 5.Bg2 c6 6.Nf3 Nbd7 7.a3 a5 8.d3 ab4 9.ab4 Ra1 10.Ba1 Qb6 11.Qd2 Ng4 (better 11...0-0=+) 12.Bg7+/- Qf2 13.Kd1 Qg2?? (better 13...Rg8 14.Bh3 Ne3 15.Kc1 Rg7+/-) 14.Bh8 (better 14.Rg1 Qg1 15.Ng1+-) 14...Qh1 15.Ne1 Nf2 16.Kc1 Qe1?? (better 16...Qg1-+) 17.Qe1+- Ng4 18.Nd2 (18.e4 de4 19.Qe4 h5+-) 18...f6 19.Nf3 1-0. Gehaktbalmetjus (2030) - Gabopiano (2050), Rated Bullet game, lichess.org, 2020.

4.g3 h5 5.Nh3 Nc6 6.b5 Na5 7.e3 a6 8.a4 ab5 (8...0-0 9.d4=+) 9.ab5 b6 (9...0-0 10.Nf4=+) 10.Bc3 (10.Bg2 Bb7 11.Bb7 Nb7=) 10...Bb7=+ 11.Rg1 0-0 12.Bd3 d5 13.Nf4 Nc4 (13...Qd6=+) 14.Ng6? (better 14.Ra8!? Qa8 15.Bf6 Bf6 16.g4 hg4 17.h5=+) 14...fg6-/+ 15.Bg6 (15.Ra8 Ba8 16.Bg6 Qd7-/+) 15...Ra1-+ 16.Ba1 e5 17.Bh5 (17.d3 Qa8 18.Bc3-/+) 17...d4 (17...Qa8 18.Bc3 Nh5 19.Qh5-+) 18.d3 (18.Be2 Qd5 19.ed4 ed4-/+) 18...Nd6 (better 18...de3 19.f4 Nh5 20.Qh5 Qa8-+) 19.ed4? (19.Bg6!?-/+) 19...ed4 (better 19...Nh5 20.Qh5 Qa8-+ (20...ed4?! 21.Nd2-+)) 20.Kf1? (20.Bg6 Nb5 21.Nd2 Qe7 22.Qe2 Qa3 23.Qe6 Kh8-+) 20...Qe7 (better 20...Nh5 21.Qh5 Bf3 22.Qg5-+) 21.Qe2 Qe2 (better 21...Qd7 22.Nd2 Nh5 (22...Qb5?! 23.Bf3-+) 23.Qh5 Qe6-+ (23...Nb5?! 24.Ne4-+)) 22.Ke2?? (22.Be2 Nb5 23.Bb2 Nd5-+) 22...Nb5 (22...Nh5 23.Na3-+) 23.Bb2?? (better 23.Bg6-+) 23...Nh5 24.Kf1 (24.Nd2 Nd6-+) 24...Bf3 25.Nd2 (25.Nd2 Bd1 26.Nc4-+). Gehaktbalmetjus (2025) - LexLawless (2000), Rated Bullet game, lichess.org, 2020.

4.g4 d5 5.g5 Nh5 6.Qc1 e5 7.e3 Nc6 8.Be2 (8.b5 Ne7=+) 8...h6 (8...Nb4!? 9.a3 Nc6-/+) 9.b5=+ Ne7 10.Bh5 (10.Nf3!? d4 11.Na3=+) 10...gh5-/+ 11.gh6 Rh6 12.Nf3 Bg4 (better 12...Ng6!? 13.d3 Bg4-/+) 13.Ne5=+ Be5 14.Be5 Qd7 15.Bf4 Rf6 16.Qb2 Rf4?? (16...d4 17.Qb3=) 17.ef4 (17.Qh8 Ng8 18.Qg8 (18.ef4 0-0-0 19.d3 f6=+) 18...Ke7 19.Qa8 (19.ef4 Qe6 20.Kf1 Be2 21.Ke1 Bf3 22.Kf1 Qe2 23.Kg1 Qd1 24.Kh2 Qh1 25.Kg3 Rg8) 19...Rf2 20.Nc3+- (20.Kf2?! Qf5 21.Ke1 Qf3=; 20.Qa7?? Re2 21.Kd1 Rh2 22.Kc1 Rh1 23.Kb2 Qb5 24.Ka3 c5-+; 20.Qb7?! Re2 21.Kd1 Rh2 22.Kc1 Rh1 23.Kb2 Bf3+=)) 17...Ng6 (better 17...0-0-0 18.d3 d4=) 18.Nc3?? (better 18.Qf6+/-) 18...Qe6-+ 19.Kf1 0-0-0 (better 19...Bh3 20.Rh3 Qh3 21.Ke1 d4-+) 20.Re1?? (better 20.f3 Bh3 21.Kf2 Qb6 22.Kg3-+) 20...Bh3 21.Rh3 Qh3 22.Ke2 Qg4 23.Kf1 (23.Ke3 Qe6 24.Kd3 Nf4 25.Kd4 Qb6 26.Ke5 Ng6 27.Kf5 Qf2 28.Kg5 Qf4 29.Kh5 Qh4) 23…Nf4 (23...Nf4 24.Re7 Qg2 25.Ke1 Qg1) 0-1. is_er_nog_hoop (2620) - Federtiu (2650), NK Bullet Qualifier, lichess.org, 2020.

4.g4 Nh5 5.Qc1 Nf6 6.g5 Nh5 7.e3 h6 8.Be2 e6?? (better 8...e5 9.Nf3 d6=) 9.Bh5+- e5 10.Be2 hg5 11.Nf3 d6 12.Ng5?? (better 12.d4 g4 13.Ng5+-) 12...Qg5= 13.hg5 Rh1 14.Bf1 Bh3 15.Ke2 Rf1 16.Qf1 Bf1 17.Kf1 Nc6 18.Nc3 Nb4 19.Ne4 Kd7 (worse 19...Nc2 20.Rc1 d5 21.Nf6 Bf6 22.gf6=) 20.c4 Nd3 21.Bc3 Nc5 22.Nc5 dc5 23.f4 Re8 24.Ke2 b6 25.Rh1 Ke7 26.Rh7 (worse 26.fe5 Kf8=) 26...Kf8 27.Kf3 (27.Rg7 Kg7 28.Be5 Kf8 29.Bc7 Rc8=) 27...Kg8 (27...e4 28.Kg4 Bc3 29.dc3-/+) 28.Rh1? (better 28.Rg7!? Kg7 29.Be5 Kf8 30.Bc7=) 28...e4-/+ 29.Ke2 Bc3 30.dc3 Rd8 31.Rd1 Rd1 32.Kd1 Kf8 33.Kc2 Ke7 34.Kb3 Ke6 35.Ka4 (35.Kc2-+) 35...c6 36.Kb3 Kf5 37.Kc2 Kg4 38.Kd1 Kf3 39.Kd2 a6 40.a4 a5 41.Kc2 Ke3 42.Kb3 Kf4 43.Ka3 Kg5 44.Kb3 Kf4 45.Kb2 Ke3 46.Kc2 Kf2 47.Kb3 e3 48.Kb2 e2 49.Kb3 (49.Kb1 e1Q 50.Kb2 Qd2 51.Ka3 b5 52.cb5 c4 53.b6 Qc2 54.b7 Qb3) 49...e1Q 50.Kb2 Ke2 51.Kb3 (51.Ka2 Qd2 52.Kb1 Kd3 53.Ka1 Kc3 54.Kb1 Qb2) 51...Kd3 (51...Qb1 52.Ka3 b5 53.ab5 a4 54.Ka4 Qa2) 52.Ka3 (52.Kb2 Qc3 53.Ka2 Qb4 54.Ka1 Kc3 55.Ka2 Qb2) 52...Qc3 (52...Qa1 53.Kb3 b5 54.cb5 c4) 53.Ka2 Qb4 54.Ka1 Kc2 55.Ka2 Qb2 (55...Qa4) 0-1. is_er_nog_hoop (2595) - Nyxnyxnyxnyxnyx (2790), Titled Arena February '20, lichess.org, 2020.

4.Rh3 d6 5.Nf3 Bh3 6.gh3 0-0 7.h5 Nh5 8.c3 Nd7 0–1. Cates – Mathes, 1998.

4.h5 0-0 5.hg6 hg6 6.Nf3 a5 7.b5 d6 8.c4 e5 9.Nc3 Re8 10.e3 Nbd7 11.Qc2 Nc5 Black intends e4 12.Nh4 e4 13.0-0-0? (13.d4 ed3 14.Bd3 Be6=) 13...Qe7 (13...g5!? 14.Nf3 ef3 15.gf3 Ne6-/+) 14.f4 (14.d4!? ed3 15.Bd3 Nd3 16.Qd3=) 14...c6 15.Kb1 cb5 16.cb5 Be6 17.f5 gf5 18.Be2 Rac8 19.g4? (better 19.Rdf1 Qd7 20.Rf4=+) 19...fg4-+ 20.Rdg1 Nd3! 21.Bd3 ed3 22.Qd3 Qd7 23.Ka1 d5 (23...Rc5-/+) 24.Rf1? (24.Ne2!?-/+) 24...Ne4! 25.Rf4 (25.Ne4 Bb2 Double attack (25...Bb2 Decoy)) 25...f5 26.Rhf1 (26.Rg1 Rc5-+) 26...Rf8 (26...d4 27.Ne4 fe4 28.Qb1 Qb5 29.Nf5 Bf5 30.Rf5-/+) 27.Ng6 Rf7 28.Nh4 (28.Rh1!?-+) 28...d4 29.ed4 (29.Ne4 fe4 30.Qb1 Rf4 31.ef4-+) 29...Bc4 (29...Qd4?! 30.Qd4 Bd4 31.Ne4 Bb2 32.Kb2 fe4 33.Rf7 Bf7 34.Nf5=+) 30.Qb1 (30.Qc2 Bf1 31.Rf1 Bd4-+) 30...Bf1 (better 30...Nd2 31.Qe1 Nf1-+) 31.Qf1 Nd2 (31...Bd4?! 32.Nf5 Bg7 33.Ng7 (33.Ne4? Rf5 34.Bg7 Qg7 35.Kb1 Rc1 36.Qc1 Rf4-+) 33...Nd2 34.Rf7 Qf7 35.Qd3 Qf1 36.Qf1 Nf1 37.Nf5=+; 31...Qd4 32.Nf5 Qd2 33.Nh6 Bh6 34.Rf7 Nc3 35.Rb7-+) 32.Qd3 Ne4! 33.Nf5? (33.Ne4 fe4 Passed pawn) 33...Nc3 (33...Rf5?! 34.Re4 Rf3 35.Qe2 Rfc3 36.Bc3 Rc3 37.Rg4-+) 34.Nh6 (34.Bc3 g3! 35.Qg3 Rf5 36.Qh3-+) 34...Bh6 35.Qg6 (35.Rf7 Qf7 36.Bc3-+) 35...Bg7 36.Rg4 Rf1 37.Bc1 Rc1 38.Kb2 Na4 39.Ka3 R1c3 (39...Qe7 40.Qd6 Qd6 41.Ka4 Qb4) 40.Ka4 R8c4 41.Ka5 Ra3 42.Kb6 Qd8 (42...Qc7) 43.Kb7 Qa8 (43...Qc7) 44.Kb6 Qa7 (44...Qb8) 0-1. Mr_Penings (2725) - Banelevich (2640), Rated bullet game, lichess.org, 2021.

4.e3 0-0

5.h5 Nh5 6.Bg7 Ng7 7.Qg4=+.

5.h5 Nh5 6.Rh5?? Bb2-+ (6...gh5?! 7.Bg7 Kg7 8.Qh5-/+) 7.Nc3 Ba1 8.Qa1 gh5 9.Ne4 (9.Qd1 d6-+) 9...f6 10.Be2 d5 11.Ng3 (11.Nc5 b6 12.Nb3 Qd6-+) 11...h4 12.Nf1 Qd6 13.a3 Qe5 (13...e5 14.Nh2-+) 14.d4 (14.Qe5 fe5 15.c4 c6-+) 14...Qf5 (14...Qg5 15.g3-+) 15.Bd3 (15.Qc3 Qg6-+) 15...Qg4 16.g3 h3 (16...e5 17.de5 Nd7 18.ef6-+) 17.Qb1 (17.Nh2 Qh5-+) 17...f5 (17...e5!? 18.Qa2 Qd7 19.Ne2-+) 18.Nh2 Qh5 (18...Qg7 19.Ngf3-+) 19.Be2 (19.Qb3 e6-+) 19...Qh6 20.Kf1 Nc6 21.Qc1 (21.b5 f4 22.gf4 Nd8-+) 21...e5 22.c3 ed4 23.ed4 Be6 24.Qh6+- Rae8 25.Qh3 f4 26.Bg4 fg3 27.Be6 Kh8 28.Nhf3 gf2 29.Bf5 Re7 30.Kf2 Ref7 31.Nh4 Ne7 32.Ng6 Ng6-+ 33.Ne2 Rf5 34.Ke1 Nf4 35.Ng3?? Nh3-+ (36.Nf5 Rf5-+) 0–1. cheeze11 – asa1, Live Game Caissa's Web, 2004.

4.h5 Nh5

5.Bg7 Ng7 6.Qc1 d6 7.Nc3 Nd7 8.d4 Nb6 9.e4 Bd7 (9...h5 10.Nf3=+) 10.Qh6 Kf8 (10...Nh5!?=+) 11.Nf3= Na4 (better 11...Kg8=) 12.Na4 Ba4 13.Ng5 Bc2? (better 13...Rg8+-) 14.Nh7+- Ke8 (14...Rh7 15.Qh7 e6 16.Rc1 Be4 17.Qh8 Ke7 18.Qh4 Kd7 19.Qe4+-) 15.Qg7 Kd7 16.Rc1 Be4 17.Qf7 Qf8 (17...Rh7 18.Qh7 c6+-) 18.Rc7! Kc7 19.Nf8 (19.Qf8? Raf8 (worse 19...Rhf8 20.Nf8 Rf8 21.Rh7+=) 20.Rh4 Bd5-+) 19...Rh1 20.Qe7 Kb6 (20...Kc6 21.Qd7 Kd5 22.Qe6 Kd4 23.Qd6 Bd5 24.Qf6 Ke4 25.f3 Ke3 26.Qe5 Be4 27.Qe4) 21.Qd6 Bc6 22.Nd7 1–0. Maestro – Verner, internet, 2020.

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    Available lines:
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  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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