CLICK!

Support my work by donation. Thank you!
Click here for more info!

Flag Counter

TESTF105 Release 2024-02-07
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Ba5

(...)

5.a4 Nc6 6.Bc3 =+.

5.a4 d6 6.Bf4 (6.Bc3 Nc6-/+) 6…Nd5-/+ (6...Nd5 7.Bg3 0-0-/+) 0–1. lachezar – IroniteNC, internet, 2005.

5.Bb2 c5 6.c4 0-0 7.e3 Re8 8.Qf3 =+.

5.Bb2 Nc6 6.e3 d5 7.Nf3 Bg4 8.Be2 0-0 9.0-0 Bb6 10.d4 Ne4 11.Nbd2 Re8 12.c4 (12.Ne4 de4 13.Nd2 Bf5=) 12...Nd2=+ 13.Nd2 Be2 14.Qe2 dc4 (14...Nd4 15.Qh5 g6 16.Qd5=) 15.Nc4 (15.Qh5!?=) 15...Bd4=+ 16.Bd4 Nd4 (16...Qd4! 17.Rab1 Rab8-/+) 17.Qb2= Nf5 (17...b5 18.Qd4 Qd4 19.ed4 bc4 20.Rfc1=) 18.Qb7+= Qh4 (18...Qc8 19.Rab1+=) 19.Qf3 (19.Qc7 Rec8 20.Qd7 Rc4 21.Qf5 Qe7+/-) 19...g6 (19...Qe4 20.Qe4 Re4 21.Rac1+=) 20.Nd2 (20.Rac1 Qe4+=) 20...Qg5 (20...Rad8 21.Rad1=) 21.Ne4 Qe7 22.Ng3 Nh4 (22...Ng3!? 23.Qg3 Rad8=) 23.Qg4 f5 (23...Rad8 24.Rac1+/-) 24.Qd4 Rad8 (24...c5 25.Qc4 Kg7 26.Rfc1+/-) 25.Qc4 (better 25.Qa7 f4 26.ef4+-) 25...Qf7?? (better 25...Kg7+/-) 26.Qf7 (better 26.Qh4 Rc8 27.Rfd1+-) 26...Kf7= 27.Ne2 (27.Rfc1 Re7+=) 27...g5 28.Rfc1 Rd7 29.h3 (29.Rab1 f4 30.Rb7 fe3 31.Rcc7 ef2 32.Kf2 Rc7 33.Rc7 Re7 34.Re7 Ke7=) 29...h5 (29...f4 30.Rc3=+) 30.Nd4 (better 30.Ng3+=) 30...Kg6? (better 30...f4 31.Rc3 fe3 32.fe3 a6+=) 31.g3+- Rd4 32.ed4 Nf3 33.Kg2 g4 (33...Nd4 34.Rc7 Ra8 35.Rd1+-) 34.hg4 hg4 35.Rc6 Kg5 36.Rh1 Re2?? (36...Ne1 37.Kf1 Nd3 38.Rc7 Re1 39.Kg2+-) 37.Rc5 (37.Rch6 Ne1 38.Kf1 Rf2 39.Ke1 Rf1 40.Kf1 f4 41.R1h5) 37...Nd4+- 38.Rd1 (38.Rc7 Nc2 39.Rc1 Na3+-) 38...Ne6+/- 39.Rc6 Nd4?? (better 39...a5+/-) 40.Rd4+- (40.Rd4 Rb2 41.Rd8+-) 1-0. brucepeng (2005) - Kim0625 (1995), lichess.org, 2021.

5.Bb2 d6 6.Nf3 0-0 7.e3 Re8 8.Be2 =.

5.c3 d6 6.Bd4 (6.Bf6 Qf6 (< 6...gf6 7.e3+=) 7.e3 0-0=+) 6...Nc6 7.Bf6 Qf6 (< 7...gf6 8.e3+=) 8.Nf3 Be6 (8...0-0 9.e3=+) 9.h3 (9.e3 Bd5=+) 9...0-0-/+ 10.g4 (10.e3 Rae8-/+) 10...Rfe8 11.Bg2 Bc4 12.e3 Ba6 (12...Bd3 13.Rg1-/+) 13.Ra2 (13.Qc2 Ne7=+) 13...Rad8 (13...Bd3 14.Rb2-/+) 14.Rb2 d5 15.g5 (15.Qc2 Ne5 16.Ne5 Re5=+) 15...Qe6 (15...Ne5 16.Ne5 (16.gf6? Nd3 17.Kf1 Nb2 18.Qe2 Be2 19.Ke2 g6-+) 16...Qe5 17.Bf1-/+) 16.h4 Qf5 (16...Qd7 17.d4=+) 17.Bh3 (17.d4!?=+) 17...Qe4-/+ 18.Bg2? (18.Rg1 d4 19.g6 hg6-+) 18...Ne5?? (better is 18...d4 19.h5 dc3-+) 19.h5?? (better is 19.Ne5 Qe5 20.d4-/+) 19...Nd3-+ (19...Nd3 20.Kf1 Nb2 21.Kg1 Nd1-+) 0–1. wee harv – theblizzard, ChessWorld.net, 2005.

5.Bc3 c6 6.Nf3 d5 (6...Na6 7.e3=+) 7.e3 (7.Ba5 Qa5 8.e3 0-0=) 7...0-0 (7...Bc7 8.d4=+) 8.Be2 (8.Ba5 Qa5 9.Bd3 Ne4=) 8...Bg4 (8...Bc7 9.0-0=+) 9.h3= Bh5 (9...Bf3 10.Bf3 Nbd7 11.d4=) 10.Ba5 Qa5 11.Nc3 Nbd7 (11...Bf3 12.Bf3 Na6 13.Qb1=) 12.0-0 (12.Nd4 Be2 13.Qe2 c5=) 12...b5 (12...Bf3 13.Bf3 Rad8 14.Qb1=+) 13.Nd4 Be2 14.Qe2 (14.Nce2 Qc7=) 14...Qc7 15.f4 (15.Rfb1 a6=) 15...a6 (15...Nc5 16.Rab1=) 16.Qf3 (16.Qe1 a5=) 16...Rfe8 17.Nf5 (17.Qg3 g6=) 17…Ne4 (17...Ne4 18.Ne4 Re4=). mic (2205) – totoarias (2360), net–chess.com, 2007.

5.Bc3 Nc6 6.e3 Bb6 7.Qf3= d5 8.Bf6 Qf6 9.Qf6 gf6 10.d4 Ne7 11.Bd3 c5 12.dc5 Bc5 13.Nc3 Be6 14.Nge2 Nc6 15.Nb5 0-0-0 16.c3 Ne5 17.Nf4 a6 18.Nd4 Nd3 19.Nd3 Bd6 20.Kd2 Kc7 21.Rhb1 Rhe8 22.Ra2 Rb8 (22...Bh2? 23.g3+–) 23.Nb4 Ra8 24.g3 h5 25.h4 b6 26.Rab2 Rh8 27.a4 Rhc8 28.Ke2 Ra7 29.Ke1 Be5 30.Nd3 Rb8 31.Ne2 Bf5 32.Rd1 Bd7 33.Ndf4 (33.a5 ba5 34.Rb8 Kb8 35.Ne5 fe5 36.Rd5 f6+/–) 33...Ba4+= 34.Nd5 Kc6 35.Rdd2 f5 (35...Rd7 36.e4 f5 37.Ra2+/–) 36.Nb4 Kb7 37.Rd5 Re8 38.Nd4 f6 39.Ra2 b5 40.Kd2 Raa8 (40...Kc8 41.Nd3 (worse is 41.Nf5 Bb3+/–) 41...Bd4 42.Rd4+–) 41.Rd7 Kb6 42.Ra1 (42.Nf5?! a5 43.Ra4 ba4 44.Nd5 Ka6+=) 42...Rad8 (42...Rg8 43.Nd5 Kc5 44.Nc7+–) 43.Nd5+– Kc5 44.Ne6! Re6 45.Rd8 a5 46.Nf4 Bf4 47.gf4 Rc6 (47...Ra6 48.Rc8 Rc6 49.Rc6 Kc6 50.Rg1+–) 48.c4! Kb4 (48...bc4 49.Ra4 Deflection; 48...Kc4 49.Rc1 Decoy) 49.cb5 (49.cb5 Rc2 50.Ke1 Bb5 51.Rb1 Kc5 52.Ra8+–) 1–0. aspasio – pierred (2795), net–chess.com, 2016.

5.Nc3 0-0 6.Nf3 Nc6 7.e3 d6 8.Bg3 Bc3 9.dc3 Bg4 (9...Ne4 10.Bd3 Qe7 11.Be4 Qe4 12.Qd3=+) 10.Be2 (10.h3 Bh5=+) 10...a6 (10...Ne4 11.Bd3 Nc3 12.Qd2-/+) 11.0-0 (11.Bh4 h6 12.h3 Bh5=) 11...Re8 (11...Ne4 12.Qd3 Bf5 13.Qc4=+) 12.Nd4 (12.Bh4!?=) 12...Be2=+ 13.Qe2 Nd4 14.cd4 Ne4 15.c4 Ng3 (15...Qf6 16.Qd3=+) 16.hg3= Qd7 17.Rab1 b6 18.Rfd1 Rab8 19.a4 c6 20.Rd3 b5 (20...Rb7 21.Rdb3 Reb8 22.e4=) 21.Rdb3+= Rb7 (21...b4!? 22.Rb4 Rb4 23.Rb4 c5+–) 22.cb5 ab5 23.ab5 cb5 24.Rb5 Rb5 25.Qb5 Qb5 26.Rb5 g6 27.Kf1 f5 28.Ke2 Re6 (28...h5 29.Rb7 Ra8 30.f4+=) 29.Kd3 (29.Rb6+–) 29...Rf6? (better 29...Re7+–) 30.Kc4+– h5 31.Rb7 (31.Kd5 Kg7+–) 31...g5 (31...Rf8 32.Kd5 Rd8 33.Ke6+–) 32.Kd5 f4 33.gf4 gf4 34.e4 f3?? (34...Rg6 35.e5 de5 36.de5 Rg5+–) 35.g3 Rh6 (35...Rg6 36.e5 de5 37.de5+–) 36.e5 de5 37.de5 h4 (37...Ra6 38.e6 Ra5 39.Kd6 Ra6 40.Ke5+–) 38.gh4 Rh4 39.e6 Rh1 (39...Kf8 40.Rf7 Ke8 41.Rf3+–) 40.Kd6 (40.Rb8 Kh7 41.e7 Ra1 42.e8Q Rd1 43.Ke6 Rd6 44.Kd6 Kh6 45.Qh8 Kg6 46.Rg8 Kf5 47.Qe5) 40...Re1 (40...Rd1 41.Ke5 Rd2 42.Rb8 Kg7+–) 41.Rb8 Kg7 42.Ke7 (42.e7 Rd1 43.Kc5 Rc1 44.Kd4 Re1 45.e8Q Re8 46.Re8 Kg6 47.Re6 Kf7 48.Re4 Kg7 49.Rg4 Kf6 50.Kd5 Ke7 51.Rf4 Kd7 52.Rf7 Ke8 53.Ke6 Kd8 54.Kd6 Kc8 55.Rh7 Kb8 56.Kc6 Ka8 57.Kb6 Kb8 58.Rh8) 42...Kg6?? (better 42...Re2+–) 43.Rf8 1–0. owkenobi – kalel21, gameknot.com, 2018.

5.c4 Qe7 6.Nf3 Nc6 7.Bb2 0-0 8.e3 d5 9.Be2 dc4 10.Bc4 Bg4 11.0-0 Rad8 12.Be2 Rfe8 13.d4 Ne4 14.Qc2 Nf2 15.Rf2 Qe3 16.Bc1?? (better 16.Kf1=) 16...Qe7?? (16...Nd4!? 17.Nd4 Qd4-+) 17.Bg5?? (17.Ng5!? g6 18.Bg4+-) 17...f6?? (17...Nd4!? 18.Be7 Nc2 19.Bd8 Na1-/+) 18.Bf4 (18.Qb3 Kh8 19.Qb7 Bf3 20.Bf3-/+) 18...Bf3=+ 19.Bf3 (19.gf3 Nd4 20.Qc4 Kh8 21.Bf1-+) 19...Nd4-/+ 20.Qc4 (20.Qa2 Qf7 21.Bd2 Bb6-+) 20...Kh8 (20...Qf7!? 21.Qf7 Kf7-/+) 21.Nc3 (21.Bb7 Qe1 22.Qf1 Ne2 23.Kh1 Qf2-+) 21...Nf3 22.Rf3 Bb6 (better 22...Rd4! 23.Qd4 Bb6 24.Qb6 cb6-/+) 23.Kh1= g5 (23...c6!?=) 24.Bg3+/- Rd2 (24...c6 25.Raf1 Bd4 26.Rd3+/-) 25.Raf1 Rc2? (better 25...Qe6 26.Qb4 Qc6+/-) 26.Qd3 Rb2 (26...g4 27.Rf5 (27.Qc2?! gf3 28.gf3 Qc5+-) 27...Rc3 28.Qc3+-) 27.Rf6 (27.Rf6 Rf2 28.R6f2 Bf2 29.Bf2+-) 1-0. jhonores (2215) - Specsavers (2055), Rated Bullet game, lichess.org, 2020.

5.f3 0-0 6.g3 Re8 7.Bb2 d5 8.Bg2 c5 9.e3 (9.Qc1!?-/+) 9...Re3-+ 10.Kf2 (10.Ne2 Bf5-+) 10...Re6 (10...Re8 11.Bh3 Bh3 12.Nh3-+) 11.Ne2 Nc6 Black plans d4 12.Re1 d4 13.c3 (13.Kg1 c4 14.Kh1 Qb6-+) 13...Bc7 (13...d3 14.Nf4 Re1 15.Ke1-+) 14.c4 (14.cd4 cd4 15.d3 Ba5-+) 14...Qe7 (14...Ne5 15.d3 Ba5 16.Rf1-+) 15.d3 (15.Bh3 Ne5 16.Nc1 Rb6 17.Bc8 Rc8-+) 15...b6 (15...Re3 16.Nc1-+) 16.h3 (16.Bc1 Qd6-+) 16...Bb7 17.Nd2 Ne5 18.Ne4 Ne4 19.fe4 Qg5 (19...Rf6 20.Kg1-+) 20.Nf4 (20.Bc1 Rf6 21.Kg1 Qg6-+) 20...Ng6 21.Ne6? (21.Qg4 Bf4 22.gf4 Qf4 23.Qf4 Nf4 24.Bf1-+) 21...Qg3 (21...fe6?! 22.Qg4 Qd2 23.Kg1 Qb2 24.Qe6 Kh8 25.Qf7-+) 22.Kf1 (22.Kg1 fe6 23.Qg4 Qh2 24.Kf1 Rf8 25.Ke2 Nf4 26.Kd1-+) 22...fe6 23.Qg4 (23.Qf3 Rf8 24.Qf8 Kf8 25.Bc1-+) 23...Qd3 (23...Rf8 24.Ke2 Rf2 25.Kd1 Qd3 26.Kc1 Qc2) 24.Qe2 (24.Kg1 Nf4 25.Rad1-+) 24...Rf8 25.Kg1 Qg3 26.e5 (26.Qf3 Rf3 27.e5 Rf1 28.Rf1 Qg2) 26…Be5 (26...Be5 27.Qf3 Rf3 28.Re5 Qf2 29.Kh2 Rh3 30.Kh3 Qg2) 0-1. Delboy Smith (1745) - MidasMulligan58 (2115), ChessWorld.net, 2016.

5.Nf3 d6 6.Bc3 Bb6 7.e3 0-0 8.d4 =.

5.Bf6 Qf6 6.c3 0-0 7.Nf3 d5 8.e3 Bf5 (8...c5 9.Be2=+) 9.Be2 (9.Qb3 Qb6 10.Qb6 ab6=) 9...Nd7 (9...Qb6 10.Qc1=+) 10.0-0 c5 11.Qb3 Nb6?? (11...Qc6 12.Bb5 Qd6 13.d4=+) 12.d3?? (better 12.Qb5 Bc3 13.Nc3+-) 12...Rac8 13.Rc1 h6?? (13...Bd7 14.Nbd2=+) 14.Nbd2?? (better 14.Qb5 c4 15.Qa5 cd3 16.Bd1+-) 14...Rc7 15.c4 dc4 16.Nc4 Nc4 17.Qc4 b6 (17...Rd8 18.Rab1=+) 18.Rab1 1-0. upep (2095) - Orochimaru (2095), Rated Blitz game, lichess.org, 2014.

5.g3 Nc6 6.Bb2 0-0 7.Bg2 d5 8.e3 Re8 9.Ne2 Bg4 10.0-0 Ne5 11.Bc3 Bc3 (11...c5 12.Ba5 Qa5 13.h3=+) 12.Nbc3=+ Nf3 13.Kh1 (13.Bf3 Bf3 14.Qe1 c5-/+) 13...d4-/+ 14.Nb5 (14.ed4 Nd4 15.f3-/+) 14...d3 (better 14...Qd7!? 15.a4 a6 16.Nbd4 Nd4-+) 15.cd3= c6 (15...Qd3 16.Nc7 Nd2 17.f3 (17.Ne8?! Be2 18.Nf6 gf6=) 17...Qe3 A) 18.Ne8?! Re8 19.fg4 A1) 19...Qe2? 20.Re1 Qd1 21.Rad1 (21.Red1?! Nb3 22.Rab1 Nc5+–) 21...Re1 22.Re1+–; A2) 19...Nf1 20.Bf1 Qf3 (worse 20...Ng4 21.Qd4 Qf3 22.Kg1+–) 21.Kg1 Qe3 (worse 21...Ng4 22.Qd4+–) 22.Kg2 Qe4 (worse 22...Ng4 23.Qd4 Qg5 24.Kg1+–) 23.Kh3 Qg4 (worse 23...Ng4 24.Qd4+–) 24.Kg2 Qe4 25.Kg1 Qe3 26.Kg2 Qe4 27.Kg1 Qe3 28.Kg2 Qe4=; B) 18.fg4 Nf1 B1) worse 19.Bf1 Ng4 20.Qd4 Qf3 21.Kg1 Re3-/+ (worse 21...Re2 22.Na8 h5 23.Be2 Qe2 24.Nc7+=); B2) 19.Qf1 Ng4 20.Bf3+–) 16.Nbc3 (16.h3!? Bh3 17.Bh3 cb5 18.Bg2+=) 16...Qd3= 17.Ra2 (17.h3 Nd2 18.hg4 Ng4=) 17...Rad8 18.Nf4 Qc3?? (better 18...Qc4 19.d3 Qc3 20.Bf3 Bf5=+) 19.dc3+– Rd1 20.Rd1 Ne4 (better 20...Nh2 21.Rb1 Nf3 22.Rb7 Rd8+–) 21.Rc2 (better 21.h3 Nc3 22.hg4+–) 21...Nh2+= 22.Rb1 Nf3 23.Rb7 Rd8 24.Bf3 (24.Rb1 g5 25.Bf3 Bf3 26.Ng2 Nd2+=) 24...Bf3= 25.Kh2 g5 26.Ng2 a5 (better 26...Rd1 27.g4 Rf1=) 27.Ne1+– Bd1 28.Rcb2 Nc3 29.Rb8 Rf8 30.Rf8 Kf8 31.Rb6 c5 (31...Nb5 32.Rc6 Na3 33.Rc3+–) 32.Ra6 (better 32.Rc6!?+–) 32...a4+– 33.Ra5 (33.Nd3 c4 34.Nb2 Bb3 35.Nc4 Nd1+–) 33...Ne4? (better 33...c4!?+=) 34.f3+– Nd2 35.Rc5 Bf3?? (better 35...Bb3+–) 36.Nf3 (better 36.Rc2!? Nf1 37.Kg1 Be2 38.Re2 Ng3+–) 36...Nf3 37.Kg2 Ne1 (37...Nd2 38.Rg5 Nc4 39.Kf3+–) 38.Kf1 Nf3 39.Ke2 g4 40.Ra5 Ke7 (40...Ng1 41.Kf2 Nf3 42.Ra4+–) 41.Ra4 Ne5 (41...h5 42.Rb4 Ne5 43.a4+–) 42.Ra6 Nc4 (42...Nd7 43.a4+–) 43.Kd3 Nd6 44.Ra4 h5 45.Ra5 f5 46.Kd4 (46.a4 Ke6+–) 46...Kd7? (46...Ne4 47.Ke5 Ng3 48.Ra7 Kf8+–) 47.Ra7 Kc6 (47...Ke6 48.Rh7 Ne4 49.a4+–) 48.Rh7 Ne4 49.Rh5 Ng3 50.Rg5 Kb5 (50...Kd6 51.Rg6 Kc7 52.a4+–) 51.Ke5 (51.e4 Ne2 52.Ke3 Nc3 53.ef5 Nd5 54.Kd4 Nf6+–) 51...Ka4 (51...Kc4 52.Kf4 Ne4 53.Rg4+–) 52.Kf4 Ne2 (52...Ne4 53.Rg6 Kb5 54.Kf5+–) 53.Kf5 g3 (53...Ng3 54.Kg4 Ne4 55.Kf4+–) 54.e4 Nd4 55.Kg4 (better 55.Kf6 Ka3 56.Rg3 Ka4+–) 55...g2 (55...Ka3 56.Kg3 Kb4 57.Kf4+–) 56.Kh3 Ne6 57.Rg4 Ka3 (57...Kb5 58.Kg2 Nc5 59.Rg5+–) 58.e5 Kb3 (58...Nd4 59.Kg2 Nf5 60.Kf3+–) 59.Kg2 Kc3 60.Kh3 Kd3 61.Kh4 Ke3 62.Kh5 Kf3 63.Rb4 Nc7 64.Kg6 Nd5 (64...Ke3 65.Kf5 Kf3 66.Rb7+–) 65.e6 Nb4 66.e7 Nd3 (66...Nd5 67.e8Q Kf4 68.Qe2+–) 67.e8Q Kf4 (67...Nf4 68.Kf5 Ng2 69.Qh5 Ke3 70.Qh6 Kd3 71.Qd6 Kc4 72.Qc6 Kd4 73.Qg2 Kc5 74.Qg7 Kb6 75.Qd4 Kc7 76.Ke5 Kc6 77.Qa4 Kc5 78.Qb3 Kc6 79.Qc3 Kb6 80.Kd6 Kb5 81.Qb3 Ka5 82.Kc5 Ka6 83.Qb6) 68.Qf7 (68.Kf6 Kf3 69.Kf5 Nf2+–) 68...Ke4 (68...Ke5+–) 69.Qc4 Ke3 70.Kf5 Nf2 71.Qc3 (better 71.Qe6 Kf3 72.Qd5 Ke2+–) 71...Ke2 (71...Nd3 72.Qf6 Kd2+–) 72.Kf4 Nd3 73.Ke4 Nf2 (73...Kf1 74.Qd3 Kf2 75.Qf3 Ke1 76.Qg2 Kd1 77.Kd3 Ke1 78.Qe2) 74.Kd4 Ng4 (74...Kf1 75.Qg3 Nd1 76.Ke4 Ke2 77.Qd3 Kf2 78.Qd1 Kg2 79.Qg4 Kf2 80.Kd3 Kf1 81.Ke3 Ke1 82.Qe2) 75.Qg3 Nf2 (75...Ne5 76.Qe5 Kf2 77.Qf4 Kg2 78.Qg4 Kh2 79.Ke3 Kh1 80.Kf3 Kh2 81.Qg2) 76.Qe3 (76.Qg2 Ke1 77.Ke3 Nd1 78.Kf3 Nf2 79.Qf2 Kd1 80.Qb2 Ke1 81.Qe2) 76...Kf1+– 77.Qf3 Ke1 78.Ke3 Nd1 79.Kd3 Nf2 (79...Nb2 80.Kc2 Nc4 81.Qc3 Nd2 82.Qd2 Kf1 83.Kd3 Kg1 84.Ke3 Kh1 85.Kf3 Kg1 86.Qg2) 80.Kc2 Kf1 (80...Nh1 81.Qh1 Kf2 82.Qh4 Kg2 83.Qg4 Kf1 84.Kc3 Kf2 85.Kd3 Kf1 86.Ke3 Ke1 87.Qe2) 81.Kd2 Kg1 82.Ke2 Nh1 (82...Ne4 83.Qe4 Kh2 84.Kf3 Kg1 85.Qc2 Kf1 86.Qf2) 83.Qf1 Kh2 84.Kf3 (84.Kf3 Ng3 85.Qg2) 1–0. ciprian_miron (1695) – vlladimir (1740), gameknot.com, 2014.

5.g3 Qe7 6.Nf3 d6 (6...d5 7.Bg2=+) 7.Bb2 (7.Bc3 Bc3 8.Nc3 0-0=+) 7...Bg4 (7...0-0 8.Bg2=+) 8.Bg2= Nbd7 (8...0-0 9.Nc3=) 9.Nc3 (9.h3 Bf3 10.Bf3 c6=+) 9...0-0=+ 10.0-0 Bc3 (10...Nb6 11.d3=+) 11.Bc3= c5 (11...Rae8 12.Rb1 b6 13.Re1=) 12.d3 (12.Re1 d5=) 12...Rab8 (12...Rfe8 13.Rb1=) 13.Rb1 (13.Re1 d5=) 13...b5 14.Re1 a5 (better is 14...d5!?=) 15.Ba5+= Ra8 (better is 15...Ne5!?+=) 16.Rb5+– Rab8 (16...Rfb8 17.Rb8 Nb8 18.Qd2+–) 17.c4 Rb5 18.cb5 Rb8 19.a4 h6 20.h3 Bh5 21.Nh4 Bg6 22.Bc7 Rc8 23.b6 Nb8 24.a5 Na6 25.Bb7 Rc7 26.Ng6 fg6 27.bc7 Qc7 28.Qb3 (28.Qb3 d5 29.Qb5+–) 1–0. coloplayah (2070) – tbrennan (2070), net–chess.com, 2006.

5.g4 0-0 6.h3=+ d6 (6...Re8 7.Nf3-/+) 7.Bb2 Nc6 (7...Be6 8.Bg2 Nc6 9.Nf3=+) 8.Bg2 Be6 (8...Re8 9.e3=+) 9.e3 Qd7 (9...Re8 10.Ne2=+) 10.Ne2 (better is 10.Bf6!? gf6 11.c3+=) 10...Nd5 (10...Bd5 11.Bd5 Nd5 12.Nbc3=+) 11.Nbc3 Nc3 12.Nc3 Rfe8 (12...Ne5 13.Rb1=+ (13.Bb7?? Rab8 14.Ne4 Rb7 15.Be5 de5-+)) 13.0-0 f5 14.g5 Ne5 15.d3 (15.Bb7?? Rab8 16.Bg2 Rb2-+) 15...c6 16.f4 (16.Ne2 Nf7=+) 16...Ng6 17.Qe1 d5 (17...Qe7=+) 18.h4 (18.Qg3!?=+) 18...d4-/+ 19.Nd1?? (better is 19.ed4 Qd4 20.Qf2-/+) 19...Be1-+ 20.Re1 Nh4 (20...Nh4 21.Re2 c5-+) 0–1. thotares (1675) – JonathanDee, internet, 2007.

5.g4 d6 6.Bf6 Qf6 7.c3 -/+.

5.Bc3 Bc3

6.Nc3 0-0 7.g3 (7.e3 d5=+) 7...d6 (7...d5 8.Bg2=+) 8.Bg2 Re8 9.Nf3 Nc6 10.0-0 Bd7 (10...d5 11.e3=) 11.e3 h6 12.Re1 Bf5 13.d3 a6 14.e4 Bh7 15.Rb1 Rb8 16.a4 Qd7 17.Qc1 Ne5 18.Ne5 de5 19.Kh1 (19.Qb2 Qd6=) 19...c6 (19...Qd4 20.Qd2=+) 20.f4 ef4 (20...Qd4 21.Qd2=) 21.Qf4 b5 (21...Qd4 22.Rb3=) 22.ab5 (22.e5 Nd5 23.Qd4 ba4 24.Na4 Rb1 25.Rb1 Bf5+=) 22...cb5= 23.e5 (23.e5 Qc7 24.Nb5 Rb5 25.ef6 Rb1 A) 26.Qc7?? Rbe1 (26...Ree1?! 27.Bf1 Rf1 28.Kg2 gf6 29.Qc8 Kg7 30.Qa6-+) 27.Bf1 Rf1 28.Kg2 Rf6-+; B) 26.Rb1 Qc2 27.Rb8 Qd1 28.Bf1=). supertimchan (2075) – minn (2000), net–chess.com, 2004.

6.Nc3 d5 7.d4 0-0 8.e3 b6 (8...c5 9.Nf3-/+) 9.Bd3 Bb7 (9...c5 10.dc5 bc5 11.Nf3=+) 10.Nge2 Nbd7 11.0-0 Re8 12.Ng3 (12.Nf4 Nf8=) 12...c5 (12...g6 13.h3=) 13.Qf3 (13.Nf5 c4 14.Be2 Nf8=) 13...Nf8 (13...g6 14.h3=) 14.Nce2 (14.dc5!? bc5 15.Rab1+=) 14...Ne6= 15.c3 cd4 (15...g6 16.Bb5 Rf8 17.Nf4=) 16.cd4 Rc8 17.Rac1 (17.Rfc1 Ng5 18.Qf4 Ne6=) 17...Qd7 (17...Qe7 18.a4=) 18.Nf4 Rc1 19.Rc1 Rc8 20.Rc8 Qc8 21.Nge2 (21.Bf1 Qc7=) 21...Qf8 (better 21...Ng5!? 22.Qg3 Nge4-/+) 22.Ne6 fe6 23.Qh3 (23.Qf4!?=) 23...Bc8=+ 24.Qg3 Qa3 25.Qc7 Qd3 26.Qc8 Kf7 27.Qc7 Ke8 28.Qb8 (better 28.Ng3!?=) 28...Ke7-/+ 29.Qa7 Nd7 30.Ng3 Qb1 31.Nf1 Qb4 (31...b5 32.Qa5=+) 32.g3 Qa5 33.Qc7 Qa3 (33...Qa6 34.Qc2 g6 35.Qc1=) 34.Nd2 Qd6 (34...b5 35.Nf3 Qd6 36.Qc2+=) 35.Qc2 g6 (35...h6 36.Qa4+=) 36.Qb3 (36.Qa4 Kf7+=) 36...Qc6 (36...e5 37.de5 Ne5 38.Qa4+=) 37.Kg2 Nf6 (37...e5 38.Nf3 e4 39.Nd2=) 38.Qa3 Kf7 (38...Ke8 39.Nf3 Nd7 40.h3+=) 39.Qa7 (better 39.Nf3!? Qe8 40.Ng5 Kg8 41.Qd6+–) 39...Nd7+= 40.Qa3 Kf6 (40...Nf6!?=) 41.g4 e5 (41...b5 42.Nf3+=) 42.Nf3 (better 42.de5 Ne5 43.Qf8 Ke6 44.Nb3 d4 45.Kg3+–) 42...Qe6?? (better 42...e4 43.Ng1 Kf7=) 43.de5+– Ne5?? (43...Kg7 44.h3 h5+– (44...Ne5?? 45.Qa1+–)) 44.Qf8 Qf7 45.Qd6 Qe6 (45...Kg7 46.Ne5 Qf6 47.Qd7 Kf8 48.Qd5 Kg7+–) 46.g5 Kf7 47.Ne5 (47.Ne5 Qe5 48.Qe5+–) 1–0. Kelemen,Szabolcs (1780) – Toth,Abel Levente (1780), Hungarian Youth ChampionshipU12, 2015.

5.Bc3 c5

6.Ba5 Qa5 7.c4 d5 8.Nc3 (8.cd5 Nd5 9.Qb3 Qd8+=) 8...d4 (8...dc4 9.e4 Qa6 10.e5-/+) 9.Nd5 Nd5 10.cd5 0-0 11.e3 Bf5 12.Qb3 Nd7 13.Nf3 Nb6 14.Bd3 (14.Qb5 Qb5 15.Bb5 de3 16.de3 Rfd8-/+) 14...Bd3 15.Qd3 de3 16.fe3 c4 17.Qd4 Qd5 18.0-0 Qd4 19.Nd4 Rfd8 20.Ra2 Rd5 21.Rb1 Rad8 22.Kf2 Ra5 23.a4 Rdd5 24.Ne2 g6 (24...Ra4?! 25.Ra4 Na4 26.Rb7+=) 25.Nc3 Rf5 26.Ke2 Kg7 27.Rab2 (27.d4 cd3! 28.Kd3 Rfe5-/+) 27...Rh5 28.h3 Rag5 29.Kf2 Rf5 30.Ke2 Ra5 31.Rb4 Rhc5 32.g4 h6 33.h4 Re5 34.Kf3 (34.d4 cd3 35.Kd3 Nd5 36.Nd5 Red5 37.Rd4 Rd4 38.ed4 b6-/+) 34...Re7 35.Rb5 Rb5 36.Rb5 Nd7 37.g5 b6 38.Rd5 Ne5 39.Ke2 Nd3 40.Rd4 Nb2 41.Rd5 a6 42.e4 Re8 (42...hg5 43.hg5 Re6 44.Ke3-/+) 43.Ke3 hg5 44.hg5 ½–½. aspasio – pcmvr, net–chess.com, 2016.

6.e3 0-0 7.Nf3 d5 8.d4 =.

5.Nc3 Nc6

6.Bf4 Qe7 7.Nb5 d6 8.e3 (8.Nf3 0-0=+) 8...Nd5 (8...Ne4!? 9.c3 g5 10.f3-+) 9.Bg3 a6 10.Nc3?? (better 10.c4 Nf6 11.Nc3-/+) 10...Nc3-+ 11.dc3 (11.Qc1-+) 11...Bc3 12.Ke2 Bf5 (worse 12...Ba1 13.Qa1 0-0 14.Kd1-+) 13.Kf3 (13.f3 Nd4 14.Kf2 Nc2 15.e4 Bd4 16.Qd4 Nd4 17.Rd1-+) 13...Nd4! 14.Kf4 (14.ed4 Qe4 The nicest combinations are those leading to mate) 14…g5 0-1. Delboy Smith (1765) - TalEl (2170), ChessWorld.net, 2013.

6.Bf6 gf6 7.Nd5+=.

6.Bf6 Qf6 7.Nd5 (7.Ne4 Qe5 8.f3 d5-/+) 7...Qe6 (7...Qd4 8.Nb4 Bb4 9.ab4 Qb4-/+ (< 9...Nb4 10.c3 Qe4 11.cb4+–)) 8.c4 0-0 9.Nf3 Ne7 10.Qa4 Nd5 11.Qa5 b6?? (11...Nb6 12.e3=) 12.Qb5 (better is 12.Qd5 Qf6 13.d4+–) 12...Nf6 13.Qe5 Qc4-/+ 14.e3 Qc5 15.Bd3 Bb7 16.Qc5=+ bc5 17.Be2. PawnPower – balokrop (1715), internet, 2007.

6.Bg3 0-0 7.e3 d6 8.Bd3 Ne5 9.Nge2 Bg4 10.h3 Bh5 11.0-0 Qd7 12.Rb1 Bc3 13.dc3 b6 (13...Nd3 14.cd3 Nd5 A) 15.Rb7?? Nc3 16.Qb3 Ne2 (16...Be2?! 17.Qc3 Bf1 18.Kf1-/+) 17.Kh2 Qc6-+; B) 15.Rc1=) 14.f3 Bg6 15.e4 h6 16.Qd2 Qa4 17.Bh4 Ned7 (17...Nfd7 18.Nf4+=) 18.Bf2 Qc6 (18...Qa3?? 19.Ra1 Qb2 20.Rfb1 Qb1 21.Rb1+–) 19.Bb5 Qb7 20.Nf4 Bh7 21.Bc4 Ne5 22.Bb3 Rad8 23.Rfd1 a5 (23...c6 24.a4+–) 24.Nd5 Nd5 25.Bd5 Qc8 26.f4 (26.Qf4 Kh8 27.Qg3 Qd7+–) 26...Nd7 27.f5 Kh8 28.Bd4 f6 29.c4 Bg8 30.Qe2 Ne5 31.Be5 de5 32.Rd3 Rd6 33.Qg4 Bd5 34.cd5 Qd7 35.Rg3 Rb8 36.c4 Rg8 37.Rc1 (37.Qd1 Qe7+–) 37...Qa4 38.Qd1 Qd1 ½–½. Silent Move (2115) – billchess (1780), redhotpawn.com, 2012.

5.Nc3 d6

6.Bd4 Nc6 7.Nf3 Bg4 (7...Nd4 8.Nd4 c5 9.Nb3 Bc3 10.dc3-/+) 8.e3 (8.Bf6 Qf6 9.Nd5+=) 8...Qe7 (better is 8...Nd4 9.ed4 0-0-/+) 9.h3?? (better is 9.Bf6 Qf6 10.Nd5=) 9...Bf3-+ 10.Bf6 Qf6 (10...Bd1?! 11.Be7 Bc2 12.Rc1 Bc3 13.Rc2 Bd2 14.Kd2 Ke7 15.Bb5-/+; 10...gf6?! 11.Qf3 Bc3 12.dc3=) 11.Qf3 (11.gf3 Bc3 12.dc3 Qc3 13.Ke2 0-0-0-+) 11...Bc3 12.Qf6 (12.Rb1 Qf3 13.gf3 Bf6-+) 12...Bf6 (12...gf6?! 13.dc3 d5 14.Bd3=) 13.d4 0-0 14.Bb5 Ne7 15.0-0 c6 16.Bd3 Ng6 17.Rab1 b6 18.Be4 (18.g3 c5 19.c3 Ne7-+) 18...d5 19.Bf5 Ne7 20.Bg4 g6 21.c3 h5 22.Be2 Nf5 23.g4 (23.c4 dc4 24.Bc4 Rac8-+) 23...hg4 24.Bg4 Ne7 (24...Nd6 25.Bd7 Ne4 26.Rfc1-+) 25.f3 (25.Rb3 Bg5-+) 25...Bg7 (25...Kg7 26.Kg2-+) 26.e4 (26.f4 Rad8-+) 26...Rab8 (26...f5 27.ef5 Nf5 28.Rfe1-+) 27.e5 (27.Rfe1 Rbe8-+) 27...c5 (27...f5!? 28.ef6 Bf6 29.f4-+) 28.f4 f5 29.Bf3 (29.Be2 Rfc8-+) 29...cd4 30.cd4 Rbc8 (better is 30...Bh6 31.Bg2-+) 31.Rbc1 (31.Kg2 Rc4 32.Rfd1 Kf7-+) 31...Bh6 32.Be2 (32.Rcd1 Bf4 33.Rd3 Rc4-+) 32...Rc6 (better is 32...Bf4!? 33.Rc8 Be3 34.Kh1 Rc8 35.Rd1-+) 33.Rc6 (33.Kg2 Rfc8 34.Rcd1 Rc2-+) 33...Nc6 34.Bf3 (34.Rd1 Bf4 35.Kf2 Kf7-+) 34...Nd4 35.Bd5 Kg7 36.Kh2 Ne2 37.e6 (37.Bc4 Nf4 38.Kg3 Rc8-+) 37...Bf4 38.Kg2 Bd6 39.Re1 (39.Bc6 Kf6 40.e7 Be7-+) 39...Nf4 40.Kf3 (40.Kh1 Nd5 41.Rd1 Kf6 42.Rd5 Ba3-+) 40...Nd5 (better is 40...Rh8 41.Rh1 Nd5 42.h4-+) 41.Rd1 Re8 (41...Kf6 42.Rd5 Ba3 43.Rd4-+) 42.Rd5 Re6 43.Rd2 (43.a4 a5-+) 43...Bc5 44.Rd7 Kf6 45.Ra7 (45.a4-+) 45...Re3 46.Kg2 Ra3 (46...f4 47.Ra4 f3 48.Kg3 f2 49.Kg2-+) 47.Rc7 Ra2 48.Kf3 Rc2 (48...Kg5 49.h4 Kh4 50.Rh7 Kg5 51.Rh8-+) 49.Rb7 (49.h4 Rf2 50.Kg3 Bd6 51.Kf2 Bc7 52.Kf3-+) 49...Rc3 50.Kg2 Rb3 (50...f4 51.Kh1 f3 52.Kh2 Rc1 53.h4 f2 54.Rb6 Bb6 55.Kh3 f1Q 56.Kg3 Rc4 57.h5 Bc7) 51.Rc7 Bd6 (51...f4 52.Rd7 f3 53.Kg3 f2 54.Kh2 f1Q 55.Rf7 Kf7 56.h4 Bd6) 52.Rc2 (52.Rd7 Ke6 53.Ra7 Rg3 54.Kf2 f4-+) 52...b5 53.Rc6 (53.h4 b4-+) 53...Ke5 54.Rc2 (54.Rc1 b4-+) 54...b4 55.Rd2 (55.h4 Re3 56.Kf2 f4-+) 55...Ke6 56.Rc2 Be5 57.Rd2 Rb2 58.Rb2 Bb2 59.Kf2 (59.h4 b3 60.Kh3 Bf6 61.Kg3 b2 62.Kf4 Bd4 63.Kf3 b1Q 64.Ke2 Qc2 65.Ke1 f4 66.h5 gh5 67.Kf1 Qf2) 59...Bd4 60.Ke2 b3 61.Kd2 b2 62.Kc2 (62.Kd3 Ke5 63.Kc2 f4 64.Kb1 f3 65.Ka2 f2 66.Kb3 b1Q 67.Ka4 f1Q 68.h4 Qa6#) 62...g5 63.Kb1 g4 64.h4 (64.hg4 fg4 65.Kc2 g3 66.Kb1 g2 67.Kc2 g1Q 68.Kb3 b1Q 69.Kc4 Qg3 70.Kd4 Qb4) 64...g3 65.h5 (65.Kc2 g2 66.Kd3 g1Q 67.h5 b1Q 68.Kc4 Qg3 69.Kd4 Qb4) 65...g2 66.h6 (66.Kc2 g1Q 67.Kd3 b1Q 68.Kc4 Qg3 69.Kd4 Qb4) 66...g1Q 67.Kc2 (67.Ka2 Qf1 68.h7 b1Q 69.Ka3 Qa6) 67...Qe3 (67...b1Q 68.Kd2 Qg2) 68.h7 Qc3 69.Kd1 (69.Kb1 Qd3 70.Ka2 b1Q) 69...b1Q 70.Ke2 Qcd3 0–1. Korenova,Simona – Putorakova,Viktoria, Majstrovstva Slovenska Zakladne Skoly D, 2013.

6.Bf6 gf6?! 7.Nd5 +=.

6.Bf6 Qf6 7.Nd5 Qd4 8.Nb4 Bb4 9.Nf3 Qc5 10.ab4 Qb4 11.c3 Qc5 12.g3 Bg4 13.Qa4=+ Bd7 14.Qe4 Be6 15.Ng5?? Qg5-+ 16.Qb7 Bd5 17.Qc8 Qd8 18.Qg4 Bh1 19.Qg7 Rf8 20.f3 Nc6 21.Qh7 Qf6 22.Qe4-/+ Kd8 23.Qc6 Rb8 24.Ra7 Rb1?? 25.Kf2+– Qf5 26.Qc7 Ke8 27.Ra8 (27.Ra8 Rb8 28.Rb8 Qc8 29.Rc8; 27.Qe7) 1–0. wlittle (2230) – flgs (2095), net–chess.com, 2004.

6.Bf6 Qf6 7.Nd5 Qd4 8.Nc7? Bc7-+ 9.Nf3 Qf6 10.Rb1 Nc6 11.e4 (11.e3 d5-+) 11...Bb6 12.Bb5 Bg4 13.Bc6 bc6 14.0-0 Bf3 (14...0-0 15.h3 Bh5 16.Qe2-+) 15.Qf3 Qf3 16.gf3 g6 17.f4 Kd7 18.Rb4 Rhe8 19.d3 Re7 20.Kg2 Rae8 21.f3 f6 22.a4 (22.Rfb1 Bc5 23.Ra4 d5-+) 22...Kc7 (22...f5 23.Kg3-+) 23.d4?! (23.Rfb1 d5-+) 23...c5 (23...a5 24.Rc4 f5 25.d5-+) 24.dc5 Bc5 25.Rc4 Kc6 26.Kg3 f5 27.ef5 (27.Re1 a5-+) 27...gf5 28.Kh4 Rg8 29.Rc3 Re2 (29...d5!? 30.h3-+) 30.h3 Rh2 0–1. Juszczak,Milosz – Kulpinski,Jakub, XXXI Ogolnopolski Turniej Szachowy Juniorow Poland, 2014.

6.Bg3 0-0 7.e3 Bc3 8.dc3 Nbd7 9.Bc4 Qe7 10.Nf3 Nc5 11.0-0 Be6 12.Be6 (12.Be2 Nfe4 13.Qd4 Bf5=+) 12...Qe6-/+ (worse 12...Ne6 13.Bh4=) 13.Ng5 Qc4 14.Qd2 (14.Qd4!? Qe2 15.e4 Qc2 16.Rac1-/+) 14...h6-+ 15.Nf3 Nfe4 16.Qd4 Qc3 17.Qc3 Nc3 18.Nd4 Rae8 19.Kh1 (19.Rae1 N5e4 20.Ne2 f5-+) 19...f5 20.Rfe1 g5 21.h4 (21.Kg1 Kg7-+) 21...N5e4 22.hg5 (22.Kg1 Ng3 23.fg3 c5-+) 22...hg5 23.Bh2? (23.Kg1-+) 23...Nf2 24.Kg1 Ng4 25.Rf1 (25.a4-+) 25…Ne3 0–1. owkenobi – gakko (2310), gameknot.com, 2018.

5.c4 c5

6.e3 d6 7.Bc3 0-0 8.Nf3 =.

6.Nf3 Nc6 7.Bb2 d5 8.cd5 Qd5 9.Nc3 Qd6 10.Qb3 0-0 11.e3 Be6 12.Qc2 (12.Qb7?? Rab8 13.Qa6 Rb2-+) 12...Rac8 13.Be2 Nd4 (better 13...Rfd8!?=+) 14.ed4= cd4 15.0-0?? (better 15.Qd3 dc3 16.Qd6 cb2 17.0-0 ba1Q 18.Ra1=) 15...dc3 16.dc3 Bc4 17.Rad1 Qa6 18.Bc4 Qc4 19.Ne5 Qc7 (better 19...Qe4!? 20.Nd3 Nd5=+) 20.c4= b5 21.Qf5 bc4 22.a4?? (22.Nc4 Qc4 A) 23.Bf6? Rc5 (worse 23...gf6 24.Qa5 Qc5 25.Qa6+=) 24.Qd7 gf6-+; B) 23.Qa5+=) 22...c3-+ 23.Ba3 Rfe8 (23...c2!? 24.Rc1 Rfd8 25.Nc4 Qc4 26.Qa5-+) 24.Nd7 (better 24.Rd6!?-/+) 24...c2 25.Nf6 gf6 26.Rc1? (better 26.Rd4 Qe5 27.Qg4 Kh8 28.g3-+) 26...Bd2 27.Qf6 Qc3 28.Qd6 (28.Qc3 Rc3 29.Ra1 Ra3 30.Ra3-+) 28...Bc1 29.Bc1 Re1 30.Qd7 (30.h4 Rd1! 31.Rd1 cd1Q 32.Qd1 Qc1-+) 30...Rf1 (better 30...Rce8 31.Qd2 Qd2 32.Bd2 Rd1-+) 31.Kf1 Qc4 32.Kg1 Qc6 (better 32...Qe6 33.Qd2 Re8 34.Qg5 Qg6-+) 33.Qg4= Kf8?? (better 33...Kh8 34.Bb2 f6 35.Bf6 Qf6 36.Qc8 Kg7 37.Qd7 Kg6 38.Qd3 Kg7 39.Qd7 Qf7 40.Qg4 Kh6 41.Qh4 Qh5 42.Qf6 Qg6 43.Qh4 Kg7 44.Qd4 Kf8 45.Qc5 Ke8 46.Qe3 Kf8 47.Qc5 Ke8 48.Qe3 Kf8 49.Qc5=) 34.h4 (34.Ba3 Qc5 35.Qc8 Kg7 36.Qc5 f5 37.Qf5 a6 38.Bb2 Kg8 39.Qf6 c1Q 40.Bc1 a5 41.Bb2 h6 42.Qg7) 34...Ke8 35.h5 Qe6 36.Qf4 (36.Qg8 Kd7 37.Qh7 Qe1 38.Kh2 Qc1 39.Qf7 Kd6 40.Qf6 Kd5 41.Qf5 Kd4 42.Qd7 Kc3 43.Qc8 Kb2 44.Qb7 Ka1 45.Qa7 Qf4 46.g3 Qe5-+) 36...Rd8 37.Kh2 (37.Ba3 f6 38.g3 Qe5-+) 37...Qd6 38.Qd6 Rd6 39.h6 (39.Kg3 Rd1 40.Bf4 c1R 41.Bc1 Rc1-+) 39...Rd1 40.Be3 c1Q (40...c1Q 41.Bc1 Rc1-+) 0-1. carlos78 (2330) - topce (2270), Rated Blitz game, lichess.org, 2016.

5.c4 d5

6.cd5 0-0 7.Nf3 Nd5 8.e3 c5 9.Be2 Nc6 10.Bb2 Qe7 11.0-0 Bg4 12.h3 Bh5 13.d3 Rad8 14.Qc2 Bg6 15.Nc3 (15.Rd1 Rfe8 16.Kh1 Nf4=+) 15...Nc3 (better 15...Bc3!? 16.Bc3 c4=+) 16.Bc3= Bc3 17.Qc3 Rd7 18.Rfc1 Rfd8 19.Qc5 Qc5 (19...Rd3? 20.Qe7 Ne7 21.Bd3 Bd3 22.Rc7+-) 20.Rc5 Bd3 (20...Rd3? 21.Bd3 Bd3 22.Rd1+-) 21.Bd3 Rd3 22.Rb1 Ra3 (22...R8d7!?=) 23.Rb7+= Ra6 24.Ng5 Rf8 25.Rd5 h6 26.Nf3 Nd8 27.Rc7 Ne6 28.Re7 Ra1 29.Kh2 a5 (29...a6!?+=) 30.Ra7+/- Ra2 31.Kg3 (31.Rda5?! Rf2 32.Kg3 Re2=; 31.Raa5?! Rf2 32.Kg3 Rb2=) 31...Rc8 32.Rda5 Ra5 33.Ra5 Rc7 34.Ra6 Kh7 35.Ne5 Kg8 36.f4 Nc5 37.Rc6 Rc6 38.Nc6 f6 39.Kf3 Kf7 40.e4 Nd7 41.g4 Nc5 42.h4 Ne6 43.e5 Nf8 44.ef6 Kf6 45.h5 Kf7 46.Ne5 (46.g5 hg5 47.fg5 Ne6+-) 46...Kf6 47.Ke4 Ne6 48.Kf3 Nf8 49.Ke4 Ne6 50.Ng6 Nc5 51.Ke3 Ne6 52.Nf8?? (52.Ne5 Nc7+-) 52...Nc5?? (52...Nf8 53.Ke4-+) 53.Nd7?? (better 53.Kd4 Nb3 54.Kd5+-) 53...Nd7-+ 54.Kf3 Nf8 55.Kg3 Kf7 56.Kf3 g6 (better 56...Nd7-+) 57.Ke4 (57.Ke4 gh5 58.Kf3-+) 1-0. jhonores (2200) - UpHold (2240), Rated Blitz game, lichess.org, 2020.

6.e3 Nc6 7.Bb2 d4 8.Qa4 (8.Nf3 Bb6=) 8...0-0 9.Nf3 de3 10.fe3 Re8 11.Nc3 Bb6 (11...Bg4!? 12.h3 Be6=+) 12.Be2= a6 13.0-0 Be6 14.Rad1 Bg4 (14...Bf5 15.Ne1 Bd7 16.Qc2=) 15.h3 (15.Nd5 Nd5 16.cd5 Ne5 17.Be5 Bf3 18.Bf3 Re5=) 15...Bh5 16.Nh4 Be2 17.Ne2 Ne5 18.Nf5 (18.c5 Ba7+=) 18...Ne4 The backward pawn on d2 becomes a target (18...Qd3!? 19.Be5 Re5=+) 19.d4 Ng6 20.c5 Ba7 21.Nf4 (21.Qb3!? Qg5 22.h4 Nh4 23.Nh4 Qh4 24.Rf7+=) 21...Nf4= 22.Rf4 (worse 22.ef4 Qf6 23.g4 Bc5 24.dc5 Qb2=+) 22...Qd5 23.Rdf1 f6 24.Qd1 Rad8 (24...g6!? 25.Qg4 b6=) 25.Qg4+/- g6 26.Nh4 (better 26.Ng3!? Nd2 27.R1f2+/-) 26...Kg7 27.Nf5 Kh8 28.Nh6 f5?? (better 28...Rd7=) 29.Qg6 1-0. jhonores (2235) - cardal47 (2255), Rated Blitz game, lichess.org, 2020.

5.e3 Qe7

6.Bb2 d5 7.Nf3 c5 8.Be2 Nc6 9.0-0 0-0 10.d3 Bg4 (10...d4 11.e4=+) 11.Nbd2= Rfe8 12.c4 (12.Rb1 Rab8=) 12...d4=+ 13.e4 Bc7 (13...Rad8 14.Re1=+) 14.h3 (14.Nd4!? Nd4 15.Bg4=) 14...Bh5 15.Nh2 Qe5 16.g3 (16.f4 Be2 17.Qe2 Qe6=+) 16...Bg6 (16...Be2 17.Qe2 Qe6 18.Kg2-/+) 17.Ndf3 (17.f4!? Qd6 18.Ng4=+) 17...Qe6-/+ 18.Kg2 Rad8 (18...Ne4 19.de4 Qe4 20.Qb3-/+) 19.Ng5 Qe7 20.Ng4? (better 20.Qb3!?-/+) 20...Ng4-+ 21.Bg4 (21.hg4 Qg5 22.f4 Qf6-+) 21...Qg5 22.a4 (22.f4 Qf6-+) 22...h5 (22...f5 23.Bc1 Qf6 24.ef5 Bf5 25.Bf5 Qf5 26.Rb1-+) 23.Bf3 (23.Bc1 Qf6 24.Bh5 Nb4 25.Bg6 Qg6-+) 23...h4 24.g4 (24.Bc1 Qf6-+) 24...Qf4 25.Rh1 Ne5 26.Bc1 Qf3 (26...Qf6!? 27.Rb1-+) 27.Qf3 Nf3 28.Kf3 f6 29.a5 a6 30.Bd2 Bb8 31.Rab1 Re7 32.Rb6 Ba7 33.Rb3 Rdd7 34.Rhb1 Kf7 (34...Bb8 35.Kg2-+) 35.Bf4 Ke6 36.g5 f5 37.ef5 (37.e5-+) 37...Kf5 38.Bd2 Bh5 39.Kg2 g6 (39...Bb8 40.Rb6-+) 40.Re1 (40.Bc1 Bb8-+) 40...Re1 41.Be1 Kg5 42.Bd2 Kf5 43.Rb1 (43.Bh6 g5 44.Bf8 Bd1-+) 43...g5 (43...Be2 44.Rb3-+) 44.Re1 Kf6 45.Re4 (45.Rb1 Re7-+) 45...Bb8 (45...Bg6 46.Rg4-+) 46.f4 gf4 47.Bf4 Bf4 48.Rf4 Kg5 49.Re4 Bg6 50.Re5 Kf6 51.Rc5 Bd3 52.Kf3 Bc2 53.Kg4 (53.Ke2 Bf5 54.Kd2 Kg5-+) 53...d3 54.Rf5 Kg6 55.Rg5 Kh7 56.Rh5 Kg8 57.Rg5 Kf8 (better 57...Rg7 58.Kh4 Rg5 59.Kg5-+) 58.Rf5 Ke8 59.Re5 (59.Rf2 d2 60.Re2 Be4 61.Rd2 Rd2 62.Kh4 Ra2-+) 59...Kd8 60.Rg5 (60.Rf5 d2 61.Rf8 Kc7 62.Rf1-+) 60...d2 61.Kh4 d1Q 62.Rg8 Kc7 63.Rg4 (63.Rg2 Qe1 64.Kg4 Rg7 65.Kf3 Qe4 66.Kf2 Rg2 67.Kf1 Bd3) 63...Qd4! 64.Rd4 (64.Rd4 Rd4 Double attack) 64...Rd4 65.Kg3 Rc4 66.Kf2 (66.h4 Rc5-+) 66...Bd1 (better 66...Bf5!? 67.Kg3-+) 67.Ke3 Bh5 68.Kf2 Ra4 69.Kg3 Ra5 70.Kh4 Rc5 (70...b5 71.Kh5 b4 72.Kh6 b3 73.Kh7 b2 74.Kg6 b1Q 75.Kh6 Qb6 76.Kg7 Rg5 77.Kf7 Kd7 78.h4 Qf2) 71.Kg3 b6 72.Kf2 a5 73.Ke3 a4 74.Kd4 (74.Kf2 a3 75.Kg2 a2 76.Kf2 a1Q 77.Ke3 Qe5 78.Kf2 Rc2 79.Kf1 Qa1) 74…a3 (74...a3 75.Ke3 a2 76.Kd4 a1Q 77.Ke3 Qe5 78.Kf2 Rc2 79.Kf1 Qa1) 0-1. brucepeng (2025) - arnavb (2000), lichess.org, 2021.

6.Bd4 c5 7.Bc3 Bc7 8.a4 0-0 9.Na3 d5 10.Nb5 Bd8 11.Qb1 d4 12.Bb2 Qd7 (12...Ba5 13.c3 de3 14.fe3-/+) 13.Bd3 (13.Nf3 a6 14.Na3 de3 15.fe3 Qa4=+) 13...a6-/+ 14.Na3 de3 15.de3 (15.fe3 Qg4 16.g3 Qa4-/+) 15...Qg4-/+ 16.Nc4?? (better is 16.Kf1-/+) 16...Qg2-+ 17.Nb6 Bb6 18.Ke2 Bg4 19.Nf3 Qf3 20.Kd2 Ne4 21.Be4 Qf2 22.Kd3 Qe2 23.Kc3 Ba5 24.Kb3 Be6 25.c4 Qc4 26.Ka3 Bb4 0–1. guest528 – crafty, ICC, 1999.

5.Nf3 0-0

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3 0-0 5.a3 Ba5).

6.Bb2 Re8 7.e3 d5 8.Be2 c5 9.0-0 Nc6 10.c3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.c3).

6.c4 Re8 7.Bb2 Nc6 8.e3 d5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

6.c4 Re8 7.e3 Nc6 8.Bb2 d5 9.Be2 Bg4 10.cd5 Nd5 11.0-0 Qe7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.a3 Ba5).

6.e3 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.a3 Ba5).

6.e3 d5 7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.Nf3).

6.e3 d5 7.c4 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5 7.a3 Ba5).

6.e3 d6 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3 d6 5.Bb2 0-0 6.a3 Ba5).

6.e3 d6 7.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3 d6 5.Bb2 0-0 6.a3 Ba5 7.e3).

6.e3 Re8 7.Be2 d5 8.0-0 c5 9.c4 Nc6 10.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.c4).

5.g3 d6

6.Bb2 Nc6 7.Bg2 Bg4 8.Bc6 bc6 9.f3 Be6 10.e4 Qe7 11.Ne2 Bb6 12.d3 Be3 13.Nd2 c5 14.Nf1 Rb8?? 15.Bf6+/– Bf2? 16.Kf2+– Qf6 17.f4 Bh3 18.Rb1 0-0 19.Ne3 c6 20.Nc4 d5 21.e5 Qe6 22.Nd6 d4 23.Qd2 Qd5 24.Ne4 c4 25.Rhe1 c3 26.Qc1 Qa2? 27.Nd4 Rb1 28.Qb1 Qa3 29.Nc6 Bf5 30.Ng5 Qc5+= 31.Kf3 Qc6 32.Ne4 f6 33.ef6 Be4 34.Re4 gf6 35.Qb3 Kg7 36.Qe6 Qb7 37.Qe7 Qe7 38.Re7 Rf7 39.Rf7 Kf7 40.Ke4 Ke6 41.Kd4 h5 42.Kc3 Kd5 43.h3 f5 44.Kb4 Kd4 45.c4 Kd3 46.c5 Ke3 47.c6 Kf3 48.c7 Kg3 49.c8Q Kf4 50.Qc5 a6 51.Ka5 Kg5 52.Ka6 Kf6 53.h4 Ke6 54.Qe3 Kf6 55.Qf4 Ke6 56.Kb5 Kf6 57.Kc5 Ke6 58.Kd4 Kf6 59.Qh6 Kf7 60.Qh5 Kf6 61.Qg5 Kf7 62.h5 f4 63.Qf4 Kg7 64.h6 Kh7 65.Ke5 Kh8 66.Qf6 Kh7 67.Qg7# 1–0. audrey – YeOlePirate, Live Game Caissa's Web, 2004.

6.Bc3 Bb6 7.Bg2 0-0 8.Nf3 d5 9.0-0 d4 10.Bb2 c5 (10...Nc6 11.d3=+) 11.d3= Bd7 12.Ne5 Nc6 13.Nd7 Qd7 14.c3 Rad8 15.cd4 cd4 16.Nd2 Rfe8 17.Nc4 (17.Ne4 Ne4 18.Be4 Re5=) 17...Bc5 18.Rc1 b5?? (18...Rc8 19.Nd2 Bb6 20.Ne4=) 19.Bc6?? (better 19.Nd2 Re5 20.Nb3+–) 19...Qc6= 20.Na5 Qb6 (20...Qd5 21.Rc5 Qc5 22.Nb7=) 21.Rc5 (21.Nb3 Nd7+=) 21...Qc5= 22.Nb7 Qh5 23.Nd8 Rd8 24.Kg2 (24.Qc2 h6 25.e4=) 24...g5 (24...h6 25.Qc2=) 25.e4 (25.Qc1 Nd5+–) 25...g4 (25...de3 26.Qf3 (worse 26.Bf6 e2 27.Qc1 ef1Q 28.Kf1 Rf8-+) 26...e2 27.Qf6 Qh3 28.Kf3 (28.Kh3? ef1Q 29.Kg4 Qe2 30.Kg5 Rd5 31.Kf4 Qf2 32.Ke4 Qf6 33.Bf6 Rd6-+) 28...Qh5 29.Kg2 Qh3 30.Kf3 (30.Kh3? ef1Q 31.Kg4 Qe2 32.Kg5 Rd5 33.Kf4 Qf2 34.Ke4 Qf6 35.Bf6 Rd6-+) 30...Qh5 31.Kg2=) 26.f4 (26.Qd2 Rd6 27.Rc1+–) 26...Qh3? (better 26...gf3 27.Qf3 Ng4=) 27.Kg1+– h5 28.Qc2 (28.Rf2 h4 29.Rg2 Kg7+–) 28...h4+– 29.Qg2 hg3 30.hg3 Qh5 ½–½. carrafurca – rollerblade, net–chess.com (1), 2019.

6.Bf6 gf6?! 7.Bh3 =.

6.Bf6 Qf6 7.Nf3?? 0-0 8.Bg2?? Qa1-+ 9.0-0 Nc6 10.Nc3 Qd1 11.Nd1 Be6 12.e4 Bb6 13.Nc3 Rfd8 14.d3 h6 15.Rd1 Bg4 16.Rb1 Nd4 17.Nd4 Bd4 18.Nd5 c5 19.h3 Be6 20.Nc7 Rac8 21.Rb7 Rd7 22.Ra7 Rdc7 23.Rc7 Rc7 24.c4 Ra7 25.Kf1 Ra3 26.g4 Rd3 (26...Rd3 27.h4 Rd2-+) 0–1. pauldopson – minn (2000), net–chess.com, 2003.

5.Bb2 0-0

6.Nc3 d5 7.d4 Ne4 8.Qd3 Qf6 9.Qe3 Qc6 10.0-0-0 Bc3 11.f3 Bb2 12.Kb2 Nd6 13.Ra1 (13.Qb3-+) 13...Nc4 14.Kb1 Ne3 15.Ra2 Bf5 (15...Bf5 16.Nh3 Bc2 17.Kc1 Qc3 18.Nf4 Bd3 19.Rc2 Qc2) 0–1. Omar,Gonzalo Martin (1765) – Parkes,Ricardo (2035), CADAP XXII Zonal Preliminares – Grupo, 2007.

6.e3 d5

7.Nf3 c6 8.c4 Bf5 9.cd5 cd5 10.Be2 Nc6 11.0-0 Re8 12.Nc3 (12.Qa4 Qd6=) 12...d4=+ 13.Nd4 Nd4 14.ed4 Bc3 (14...Qd4!? 15.Bf3 Rad8=+) 15.Bc3= Nd5 16.Bf3 Rb8 (16...Qd7 17.Re1=) 17.Bb2 (17.Qa4 a6+=) 17...Qd6 18.Qb3 Be6 19.Qc2 (19.Rfe1 Rbd8=) 19...Rec8 20.Qd1 b6 21.Rc1 Rc1 22.Qc1 Rc8 23.Qd1 Qf4 (23...Qd7 24.Re1=) 24.g3 (24.Re1 Qd6+=) 24...Qf5 25.Bg4?? (better 25.Re1=) 25...Qg4-+ 26.Qg4 Bg4 27.Re1 Be6 28.a4 (28.Kg2 Rc2 29.Bc1 b5-+) 28...h6 (28...a5 29.f4-+) 29.f4 Rc2 30.Bc1 (30.Bc3 Ra2-+) 30...Bd7 31.Ba3 (31.a5 b5-+) 31...Rd2 32.Re5 (32.a5 Rd4 33.ab6 ab6-+) 32...Nc3 (32...Rd4 33.a5-+) 33.Re7 (33.Bb4 Rd1 34.Kf2 Na4-+) 33...Bh3 34.Ra7 (34.Bd6-+) 34…Ne4 (34...Ne4 35.Ra8 Kh7 36.Rh8 Kh8 37.Bb4 Rd1 38.Be1 Re1) 0-1. brucepeng (2000) - Chess_program (2025), lichess.org, 2020.

7.Nf3 Re8 8.Be2 =+.

6.Nf3 d5

7.e3 Re8 8.Bd3. Lautenbach,Uwe – Baer,Werner, TWO 2.126.

7.e3 Re8 8.Be2 c6 (8...c5 9.0-0=+) 9.0-0= Bg4 10.Nd4 Be2 11.Ne2 Qd6 12.Ng3 Bc7 13.d3 Nbd7 14.Nd2 h6 15.Qf3 h5 (better 15...b5=) 16.Qf4? (better 16.Rfb1 b5 17.Ndf1=) 16...Qf4-+ 17.ef4 Bf4 18.Nf3 Bg3 19.hg3 Re2 20.Nd4 Ree8 21.Rae1 (21.Nf3 c5 22.Rab1-+) 21...Re1 22.Re1 Re8 23.Rb1 (23.Re8 Ne8 24.Nf5 Kf8-/+) 23...c5 24.Nb5 Re2 25.Na7 (25.Bf6 A) 25...gf6?! 26.Rc1=+ (worse 26.Na7 Rc2 27.Nc8 Ne5-/+); B) 25...Nf6 26.c4 dc4 27.dc4 Ng4-+) 25...Rc2 26.f3 (26.Bf6 Nf6 27.f3-+) 26...d4 27.Bc1 Nd5 28.Bf4 b6 29.Nc8 (29.Rd1 f6-+) 29...Rc3 (29...Nf4?! 30.gf4 Rc3 31.Nb6 Nb6 32.Rb6 Rd3 33.Rc6-+) 30.Nd6 (30.Re1 Ra3 (30...Nf4?! 31.gf4 Rd3 32.a4-+) 31.Re8 Kh7-+) 30…Rd3 0–1. Sapareva,Magdalena – Shalamanov,Vladimir, 176th MGU Sofia, 2016.

7.e3 Bg4 8.Be2 c5 9.h3 Bh5 10.0-0 Nc6 11.Nh2 (11.d3 Qd6+=) 11...Be2+= 12.Qe2 Re8 13.Qd1 (13.Nf3 d4+=) 13...Bc7 (13...d4 14.Nf3-/+) 14.Ng4 (14.Bf6!? Qf6 15.Nc3-/+) 14...Ng4 (14...d4 15.a4-/+) 15.Qg4 Ne5 (15...d4 16.a4-/+) 16.Qg3? (16.Be5 Be5 17.Nc3 d4 18.ed4 cd4+=) 16...Ng6 (16...d4!? 17.ed4 cd4-+) 17.f4-/+ d4 18.Rf3 (better is 18.a4!? Qe7 19.Bc1-/+ (19.ed4? Nf4 20.Rf4 g5-+)) 18...Nh4-+ 19.Rf1 Nf5 20.Qg4 Qd5 (20...g6 21.Rd1-+) 21.Qf3 (21.a4 de3 22.Nc3 Qe6-+) 21...Qf3 22.Rf3 de3 23.de3 Ne3 24.Nc3 Nc2 25.Rc1? Ne1 (25...Ne1 26.Rf1 Nd3-+) 0–1. Sapareva,Magdalena (1620) – Andreev,Do (1955), 133rd MGU Open, 2015.

5.Bb2 d5

6.Nc3 0-0 7.e3 Nc6 8.Nf3 d4 9.Nb5 de3 10.fe3 Re8 11.c3 (11.Nc3 Nd5 12.Nd5 Qd5=+) 11...Ne5 12.Ne5 Re5 13.Nd4 Bg4 14.Be2 Be2 (14...c5 A) worse 15.Bg4 cd4 (15...Ng4?! 16.Nf3=+) 16.cd4 Re3 17.Kf1 Ng4 18.Qg4 Rb3-+; B) 15.Nb3 Be2 16.Qe2=+) 15.Qe2= Bb6 16.0-0 Rc8 (16...Bd4 17.cd4 Re6 18.d3=) 17.Rad1 (17.Nf5 Qd7 18.Nh6 Kf8+=) 17...c5 (17...Bd4 18.cd4 Re6 19.d3=) 18.Nf3 Re7 19.Kh1 (better 19.c4!? Qd6 20.Ng5+=) 19...c4=+ 20.Nd4 Bd4 21.cd4 Nd5 (21...Qb6 22.Rb1=+) 22.Rc1 Rec7 (22...Qc7 23.Qg4 Re6 24.Qf5=) 23.Bc3 (23.e4 Qe7=) 23...Qe7=+ 24.e4 (24.Qf3 Nc3 25.Rc3 b5=) 24...b5 (24...Re8 25.Qf2 Nc3 26.dc3 Qa3 27.Qg3=+) 25.Qf3 Nc3 26.Rc3 a5 (26...Rd8 27.Qe3=) 27.Rb1 (27.d3!?=) 27...b4=+ 28.ab4 ab4 29.Re3 c3 (29...Ra7 30.d5=+) 30.dc3= bc3 31.Rc1 c2 32.e5 Qb4 33.Qe4 (33.Rd3 Qb2 34.Qf4 Rb8-+) 33...Qd2=+ 34.Ree1 Rc4 (34...Rd7 35.e6 Re7 36.ef7 Rf7 37.Qe6=) 35.e6 Qd4?? (35...f5 36.Qe5 Qd4 (36...Rd4 37.e7 Re4 38.Re4 Qc1 39.Re1 Qe1 40.Qe1+–) 37.Qf5 Qf6=) 36.ef7+– Kf7 37.Rf1 (better 37.Qe6 Kf8 38.Rf1 Qf6 39.Rf6 gf6 40.Qf6 Kg8 41.Kg1+–) 37...Kg8-/+ 38.Qe6 Kh8 39.Qf5 Qd6 40.g3 (40.Qf7 R4c7 41.Qf2 Kg8-+) 40...Qc6-+ 41.Kg1 Qc5 42.Qf2 Kg8 43.Qc5 R4c5 44.Rf2 g5 45.Kf1 Rf8 (better 45...g4!?-+) 46.Ke1 (46.Rf8 Kf8 47.Ke2 Ke7=+) 46...Rf2-/+ 47.Kf2 Kf7 48.Ke3 Ke6 49.Kd3 Kf5 50.h3 h5 51.Rf1 Kg6 52.Kd2? (better 52.Rc1-/+) 52...Rf5-+ 53.Rg1 Rf2 54.Ke3? (54.Kc1 Kf5 55.h4 Kg4 56.hg5 Kg5-+) 54...Rh2 (better 54...Rg2! 55.Rc1 Rg3 56.Kd4-+) 55.Kd3 c1Q (55...Rg2! 56.Rh1-+) 56.Rc1 Rh3 57.Ke4 (better 57.Rg1-+) 57…Rg3 0–1. Sapareva,Magdalena – Georgiev,Nikolay, 149 Open MGU, 2015.

6.e3 0-0 7.Be2 c5 8.c4 (8.Nf3 Nc6=+) 8...Nc6 (8...dc4 9.Bc4 Bf5 10.Nf3=+) 9.h3 (9.cd5 Nd5 10.Qc2 Qe7=+) 9...Be6 (9...d4 10.Nf3-/+) 10.Qc2 d4 11.Bd3 (11.Nf3!?=+) 11...Ne5-/+ 12.Ne2 (12.Nf3!? Nd3 13.Qd3-/+) 12...Nd3-+ 13.Qd3 de3 (13...Qb6 14.Bc1 Qa6 15.Nf4 Bc4 16.Qf5-+) 14.Qd8 ef2 15.Kf2 Rad8 16.Bf6 gf6 17.Rc1 Bd2 18.Rc2 (18.Nd2 Rd2 19.Rc3 Re8-+) 18...Ba5 19.a4 Rd1 20.Nec3 Bc3 21.Rc3 Rfd8 (21...b6 22.Ke2 Rfd8 23.Kf2-+) 22.Rg3 (22.a5 R8d7-+) 22...Kf8 23.Rb3 b6 24.Raa3 Bc4 25.Rb2 Rf1 (25...f5!? 26.Rf3-+) 26.Kg3 Rd3 27.Rd3 Bd3 28.Nc3 Rc1 29.Nb5 Bb5 (29...Ra1!? 30.Na7 Ra4 31.Nc8-+) 30.ab5 c4 31.Kf2 c3 Do you see the mate threat? 32.Ra2 (32.Rb3-+) 32...c2 33.Kg3 Kg7 (33...Ke7!? 34.Kh4-+) 34.Kg4 f5 35.Kg5 h6 36.Kh5 Kf6 (36...Rb1 37.Rc2 Rb5 38.Kh4-+) 37.Kh6 Ke5 38.h4 (38.Kh5 Kd4-+) 38...Kd5 (38...Kd4 39.h5-+) 39.h5 Kc4 40.Kg7 (40.Kg5-+) 40…Kb3 (40...Kb3 41.Ra7 Rh1-+; 40...Kb5 41.h6 Rh1 42.Rc2+-) 0-1. petrobbo (1995) - Nimzo123 (2220), ChessWorld.net, 2012.

6.e3 c5

7.Bb5 Nc6 (7...Bd7 8.Bd7 Nbd7 9.Nf3=+) 8.Nf3 (8.Qf3 Rg8=) 8...0-0=+ 9.0-0 Qb6 10.Bf6 (10.a4 Ne4 11.d3 Nd6=+) 10...Qb5=+ 11.Bc3 Bc7 12.d4 Bg4 13.h3 (13.Nbd2 c4=+) 13...Bh5 (13...Bf3 14.gf3 Rfe8 15.dc5 Qc5 16.Qd2-/+) 14.dc5=+ Qc5 15.g4 (15.Bb4!? Nb4 16.ab4=+) 15...Bg6-/+ 16.Nd4 Qd6 17.f4 a6?? (17...Bb6 18.Qd2 Rac8 19.Nc6 Rc6 20.f5 Qg3 21.Qg2 Qe3 22.Kh1 Bf5 23.Rf5 Rc3 24.Nc3 Qc3 25.Raf1=+) 18.Nd2?? (18.Nc6 Qc6 19.f5+–) 18...Rfe8-/+ 19.Rf3 Be4 20.Rg3 (20.Ne4 de4 21.Rf2 Red8-/+) 20...g5 21.Nf5 Qc5 22.Ne4 Re4 23.Bd4 (23.Bb4 Nb4 24.ab4 Qc4-/+ (24...Qb4?! 25.Nh6 Kf8 26.Qd5=)) 23...Nd4-/+ 24.Nd4? (better 24.ed4 Qa7 25.Re3 Bf4 26.Re4 de4 27.c4-/+) 24...gf4 25.Rf3 (25.Nb3 Qc3 26.Qd3 Qd3 27.cd3 Re3 28.Re3 fe3-+) 25...fe3 26.Ne2 Qd6 27.Ng3 (27.Rg3 Rd8-+) 27...e2! 28.Qe1 (28.Ne2 Qh2 Combination) 28...Qc5 (28...Rae8 29.Kg2 Re3 30.Qf2-+) 29.Kg2 Bg3 30.Rg3 (30.Qg3 Qc2 31.Re1 Rae8-+) 30...Qc2 31.Rc3 Qb2 32.Rac1 (32.Rcc1 b5-+) 32...d4 33.R3c2 Qa3 34.Re2 (34.Rc5-+) 34…Re2 (34...Re2 35.Qe2 Qc1-+) 0–1. Sapareva,Magdalena – Yanev,Yordan, Teteven Open, 2015.

7.Nf3 Nc6 8.Be2 0-0 9.0-0 Bf5 10.c4 d4 11.ed4 cd4 12.d3 Re8 13.Nbd2 Bg6 (13...Nh5!?-/+) 14.Nb3 Increasing the pressure on the isolated pawn on d4 14...Bc7 (14...Bc3!? 15.Bc3 dc3=) 15.Nfd4 Nd4 16.Bd4 (16.Nd4? Be5-+) 16...Qd7 17.Bf6 gf6 (17...Qd6 18.g3 Qf6 19.d4+=) 18.Bg4 (better 18.d4!?+/-) 18...Qd6 19.Bf3?? (better 19.f4 Bd3 20.c5=) 19…Qh2 0-1. Jimito100 (1980) - MRHZ (2505), Hourly Bullet Arena, lichess.org, 2020.

7.Nf3 Nc6 8.Be2 0-0 9.0-0 Bf5 10.d3 Re8 11.Nbd2 d4 12.e4 Bg6 13.Nc4 b5 (13...Bc7 14.c3=+) 14.Na5= Qa5 15.Ng5 (15.Qe1 Qe1 16.Rfe1 Bh5=) 15...h6=+ 16.Nh3 Qb6 17.Kh1 a5 18.f4 c4 19.Bf3 c3 20.Bc1 Rad8 21.f5 Bh7 22.Nf4 Kf8 23.Nh5 Ne5 24.Rb1 Nh5 25.Bh5 Nd7 26.Qf3 Nf6 27.Bf4 Nh5 (27...Kg8!?=) 28.Qh5+/– f6 29.Bh6 gh6 30.Qh6 Kg8 31.Rf3 Rd7 32.Rb5 Qd6 33.Rg3 Kh8 34.Kg1 (34.Ra5 Rb8 35.Kg1 Rf7+/–) 34...Qf8 (34...Rf7 35.Rg6= (35.Ra5? Qb6-+)) 35.Qh4 (35.Qf8!? Rf8 36.Ra5+/–) 35...Rf7 36.Rg6?? (36.Ra5!? Rb8 37.h3+=) 36...Rb8 (better is 36...Qa3!? 37.Rb1 Qa2-/+) 37.Rb8 Qb8 38.h3 (38.Rf6 Qb1 39.Kf2 Qc2 40.Kg3 Qd3 41.Kf4 Qf1 42.Ke5 Qb5 43.Kd4 Rd7 44.Ke3 Qc5 45.Kf3 c2-+) 38...Qd6 39.Rh6 (39.a4 Qb6=) 39...a4=+ 40.Qh5 Qe7 (40...Qa3 41.Rh7 Rh7 42.Qe8 Kg7 43.Qg6 Kf8 44.Qh7 Qc1 45.Kh2 Qf4 46.Kg1 Qe3 47.Kh2 Qf4 48.Kg1 Qe3 49.Kh2 Qf4=) 41.Qg6 Qf8 42.Qh5 Kg8 43.Qh4= Qg7 44.Rh5 Rb7 45.e5+= Rb1 46.Kh2+/– Qc7?? 47.Qf6+– Qf7 48.Qd8 Kg7 49.f6 Kg6 50.Rh4 Qe6 51.Qd4 Bg8 52.Rg4 Kh5 53.Qf4 Qg4 54.Qg4 Kh6 55.Qg7 Kh5 56.g4 (56…Kh4 57.Qh6) 1–0. Andras,Tomas (1850) – Sebensky,Martin (1765), SVK–ch U18, 2007.

5.c3 0-0

6.e3 d5 7.Nf3 -/+.

6.g3 Nc6 7.Bf6 Qf6 8.Bg2 Re8 9.Qa4 b6 10.Nf3 Ba6 11.Nd4 Nd4 12.cd4 Be2 0–1. pokermike – nopersona (1665), gameknot.com, 2012.

6.h3 d5 7.d4 (7.Nf3 Nc6=+) 7...c5 8.e3 (8.dc5 Nbd7 Double attack (8...Nbd7 Decoy)) 8...Nc6 9.Qa4 (9.Bf6 Qf6 10.Nf3 c4-/+) 9...cd4 (9...Ne4 10.Qc2-+) 10.ed4? (10.Bd4!? Nd4 11.Qd4-/+) 10...Ne5 11.de5 Re8 (11...Ne4 12.Qc2 Bb6 13.Nf3 Bf2 14.Kd1-+) 12.f4? (better 12.Nf3 Ne4 13.Qb3-+) 12...Ne4 13.Ne2 (13.Ra2 Re5!! 14.Kd1-+) 13...Bd7 14.Qd4 Bb6 15.Qd3 Nf2 16.Qf3 Nh1 17.Qd5 (17.Nd4 Rc8-+) 17...Nf2 (better 17...Qh4 18.Kd1 Rad8-+) 18.Nd2 Bc6 19.Qc4 (19.Qd8 Rad8 20.Nd4 Bd4 21.cd4 Rd4 22.Nf3 Nd3 23.Bd3 Rd3 24.Ke2-+) 19...Nd3 20.Kd1 Nb2 21.Kc2 Nc4 22.Nc4 Be4 23.Kb3 Rc8 (23...Qd5!? 24.Ng3 Qb5 25.Ka2-+) 24.Ng3 Bd5 25.Be2 Qc7 26.Rd1 Bc4 27.Bc4 Qc4 28.Kc2 (28.Kb2 Qc3 29.Ka2 Qc2 30.Ka1 Qd1 31.Kb2 Bd4 32.Ka2 Qc2) 28...Qc3 29.Kb1 Bd4 30.Ne4 (30.Rd4 Qb3 31.Ka1 Rc1) 30…Qb2 (30...Qb3) 0-1. kasperoff (1725) - VadimCernov (2255), SuperBlitz Shield Arena, lichess.org, 2018.

6.e3 d6

7.Bd4 c5 8.Bf6 Qf6 9.Nf3 -/+.

7.Bd4 Nbd7 8.Bd3 (8.Nf3 c5 9.Bf6 Qf6-/+ (9...gf6?! 10.d4=)) 8...c5 (8...Ne5 9.Qc2-/+) 9.Bf6 Nf6 (9...gf6?? 10.Qg4 Kh8 11.Qf5 Bc3 12.Qh7) 10.Nf3 Bg4 (10...d5 11.0-0-/+) 11.h3 (11.a4 d5-/+) 11...Be6 (11...Bf3 12.gf3 d5 13.a4-/+) 12.0-0 Qc7 (12...c4 13.Bc2-/+) 13.Qc2 (13.a4-/+) 13...b5 (better is 13...c4!? 14.Be2 Rfe8-/+) 14.Ng5= h6 15.Ne6 fe6 16.Bb5 Rab8 (16...c4 17.d4=) 17.a4 (better is 17.c4=) 17...a6 (better is 17...c4=) 18.Ba6+/– Qe7 (18...d5 19.c4+/–) 19.c4 (19.Bb5 Rbc8+–) 19...Ne8 (better is 19...Bb4+/–) 20.d4?? (20.Bb5!?+–) 20...Nc7 (better is 20...cd4!? 21.ed4 Qa7+=) 21.Bb5+/– Nb5? 22.ab5+– Bb6 23.Rd1?? (23.Rd1 cd4 24.ed4+= (< 24.Rd4 Bd4 25.ed4 Rf4=+); 23.d5 ed5 24.cd5 Qe5+–) 1–0. pauloroberto – babo, internet, 2006.

7.Bf4 h6 8.Bc4 Nc6 9.f3 (9.Ne2!?=) 9...Nh5-/+ 10.Ne2 Qh4 11.g3 Ng3 (11...Qh3 12.d4 g5-+) 12.Bg3?? (better is 12.Ng3 Re8 13.Qe2=) 12...Qc4-+ 13.a4 (13.Rg1 Ne5 14.Be5 de5-+) 13...Ne5 14.Be5 de5 15.Ng3 f5 16.Na3 Qh4 17.0-0 f4 18.Ne4 fe3 19.de3 Be6 20.Qe2 c6 21.Nc4 Bc7 22.Kh1 Bd5 23.Ncd2 Rad8 24.c4 Be4 (better is 24...Be6-+) 25.fe4? (better is 25.Ne4 Qh5 26.c5-/+) 25...Ba5-+ 26.Rf8 Rf8 27.Rg1 (27.Kg1-+) 27...Bd2 28.Qd2 (28.Qg2 Rf7 29.Qg4-+) 28...Qe4 (better is 28...Rf2 29.Qf2 Qf2-+) 29.Qg2 Qg2 30.Kg2 Kf7 31.Kf3 Ke6 32.Ke4 g5 33.Rb1 Rf7 34.a5 h5 35.c5 g4 (35...Rd7 36.h3-+) 36.Rd1 Rf2 37.Rd6 Ke7 38.Ke5 (38.a6 b5-+ (worse is 38...Rh2 39.ab7 Rb2 40.Rc6 Rb7 41.Ke5-/+)) 38...Rh2 (38...Rc2 39.Re6 Kd7 40.Rd6 Kc8 41.a6 Rc5 42.Kd4 Rd5 43.Rd5 cd5 44.ab7 Kb7 45.Kd5-+) 39.Rh6 g3 40.Rh7 Kf8 41.Rb7 g2?? (41...Rf2 42.Rb8 Kg7 43.Rb7 Kg6-+) 42.Kf6= Kg8 43.Rb8 ½–½. Baird,F – Northover,HF, private match, 1908.

7.Bf6 gf6 8.d4 +=.

7.Bf6 Qf6 8.d4 c5 -/+.

5.c3 Nc6

6.Nf3 Ne5 7.Ne5 0-0 8.Nc4 b6 9.Na5= ba5 10.e3 d5 11.d4 Ne4 12.Bd3 f5 13.0-0+= f4 14.Nd2 Nc3? 15.Qh5?? g6= 16.Qh6 Bf5 (16...Bf5 17.Rfc1 fe3 18.Qe3 Re8=). Odin(Aesir) – nickttm, ChessWorld.net, 2004.

6.Bf6 gf6 7.e3 +=.

6.Bf6 Qf6 7.e3 a6 =+.

6.Bg3 0-0

7.a4 d6-/+ 8.Na3 Be6 9.c4 Ne4 10.Nf3 Qf6 11.Bh4?? Qb2 12.Nb5?? Nd2! 13.Nd2 Bd2 14.Qd2 Qa1 15.Qd1 Qd1 16.Kd1 Bc4 17.e3 Bb3 18.Kd2 Ba4 19.Nc7 Rac8 20.Nd5 Rfe8 21.Bd3 Bb3 22.Nc3 Ne5 23.Nb5 Nd3 24.Nd6 Nf2! 25.Bf2 Rc2 26.Kd3 Rd8 27.Bg3 Rc6 28.Ke4 Rcd6 29.Bd6 Rd6 30.Rc1 g6 31.g3 a5 32.Rc3 a4 33.Rc8 Kg7 34.Ke5 Re6 35.Kd4 b5 36.e4 Bc4 37.h4 a3 38.Ra8 a2 39.Ra7 Rd6 40.Kc5 Rd1 41.Ra2 Ba2 42.Kb5 Kf6 0–1. pauloenter (2055) – sanbarrett (2330), net–chess.com, 2006.

7.e3 Re8 =+.

7.Nf3 d6 8.e3 Be6 9.Bd3 Ne5 10.0-0?? Nd3-+ 11.Ng5 Bf5 12.h3 Qd7 13.c4 Bg6 14.Nc3 Nc5 15.a4 Bd3 16.Nd5 Nd5 17.f4 Bc4 18.f5 Bf1 19.e4 Bd3 20.h4 Nf6 21.Qf3 h6 22.Bf4 hg5 (22...hg5 23.Bg5 Be4-+) 0–1. jbumgar (1675) – pierred (2750), net–chess.com, 2009.

5.Bc3 Bb6

6.g3 0-0 7.Bg2 d5 8.Nf3 Re8 9.0-0 Bg4 10.h3 Bf5 11.d3 c5 12.Bf6 Qf6 13.Nbd2 Nc6 14.c4 d4 15.Nh4 Bd7 16.Ne4 Qe7-/+ 17.Qd2 h6 18.f4 f5 19.Nf2 Ba5 20.Qc2 Qe2 21.Qb3 Rab8-+ 22.Bd5 Kh7 23.Bf7 Re3 24.Bg6-/+ Kh8 25.Bf5 Bf5 26.Nf5=+ Rf3 27.Ra2 Qe6-/+ 28.Kg2 Rf2!-+ 29.Raf2 Qf5 30.g4 Qe6 31.Qd1 Re8 32.g5 Bc7 33.Qh5 Nd8 34.f5 Qe3 35.gh6-/+ gh6 36.Rf3 Qg5 37.Qg5 hg5 38.f6 e2 39.Kh1 Nf7 40.Rf5 Be5 41.Kg1 Kh7 42.h4 gh4 43.Rh5 Kg6 44.Rh4 Ng5 45.Rh8 Bf6 46.Rg8 Bg7 47.Rc8 Nh3 48.Kh1 Nf2 49.Kg1 Nd3 50.Rc6 bc6 (50...bc6 51.Rf3 Rd2 52.Rg3 Kf6-+) 0–1. Adamowski,Andrzej – Skonieczny,Jerzy, corr 2. AMM Poland, 1994.

6.d3 d5

7.e3 0-0 8.Nf3 c5 9.Bd2 Bg4 10.Be2 Nc6 11.0-0 Qd6 12.c3 Rfe8 13.h3=+ Bh5 14.Nh4 Bc7-/+ 15.f4 Be2 16.Qe2 Rad8 17.Nf5 Qd7 18.Ng3 d4 19.e4 dc3 20.Bc3 Nd4 21.Qb2 b6 22.Nd2 Re6 23.Rad1 Nb5 24.f5 Nc3-/+ 25.Qc3 Rd6 26.Rf3 Rd3 27.Rd3 Qd3 28.Qd3 Rd3 29.e5 Be5 30.Ngf1 Bf4 31.g3 Bd2 32.Nd2? Rg3 33.Kh2 Rd3 (33...Rd3 34.Kg2 Ne4 (< 34...Ra3 35.Ne4 Ne8 36.Rd8-+) 35.Ne4 Rd1-+) 0–1. Fobke,Peter – Bartels,Horst_Guenter (1730), 5sen.WttgEM/Ellwangen, 1993.

7.e3 d4 8.ed4 0-0 9.Ne2 =+.

7.Nf3 0-0 8.g3 d4-/+ 9.Bb2 c5 10.Bg2 Nc6 11.0-0 Re8 12.c3 Bg4 13.cd4 Nd4 14.Nd4 cd4 15.h3?? Be2-+ (15...Be2 16.Qb3 Bf1 17.Kf1 Ba5 18.Bb7 Qd7-+) 0–1. Adamowski,Andrzej – Kozlowski, corr 1. AMM Poland, 1991.

6.e3 d5

7.d4 0-0 8.Nd2 c6 9.Ngf3 Bg4 10.Be2 Nbd7 11.0-0 Bc7 12.Bb2 Re8 13.c4 dc4 14.Bc4 Nb6 15.Bd3 Qd6 16.Qc2 Rad8 17.a4 Nbd5 18.Ba3 Qe6 (better is 18...Qd7!?=) 19.Ng5+/– Qd6?? (19...Qd7 20.Bh7 Kh8+=) 20.Bh7 (20.Bh7 Kf8 21.Bd6 Bd6 22.e4+–) 1–0. aspasio – cristero (2490), net–chess.com, 2016.

7.Qf3 d4 8.ed4 0-0 9.Bc4? (9.Bd3 Nc6 10.h3 Be6-/+) 9...Bd4?? (better is 9...Nc6 and the scales tip in favour of Black 10.Ne2 Bg4-+) 10.Ne2=/+ Nc6 11.0-0 (11.Nd4? doesn't lead to anything significant 11...Nd4 12.Qd3 Re8 13.Kd1 c5 14.Bd4 cd4-+ (14...Qd4?! 15.Qd4 cd4 16.f3+=)) 11...Ne5 (11...Bg4 12.Qf4 Be2 13.Be2+=) 12.Qf4= Bc3 13.Nec3 (13.Nbc3 Nc4 14.Qc4 Qd2 15.Qc7 Qc2+=) 13...Nc4 14.Qc4 Be6 15.Qf4 c6 16.d3 Qa5 17.Qb4 Qc7 18.Nd2 Rad8 19.Rab1 b6 20.Nce4 Ng4 21.Nf3 Rd5 22.h3 Nh6 (22...Ne5 23.Nh2=) 23.Neg5 Bf5 24.Rfe1 Rb5 25.Qd2 (25.Qc4 Rb1 26.Rb1 Bd7=) 25...Rb1= 26.Rb1 f6 27.Ne4 Nf7 28.Re1 c5 29.Qc3 Qf4 30.Qc4 Bh3 31.gh3 Qf3 32.Nd2? Qh5 33.Re7?? g5 34.Qe6 Qg6 35.Ra7+/– f5 36.Qg6 hg6 37.Nc4 b5= 38.Ne3 Rc8 39.Rb7 Nd6 40.Rb6 Rd8 41.Rc6 f4 42.Ng4 c4 43.dc4 bc4 44.Ne5 Kg7 45.Nc4 Nf5 46.Ne5 Rd1= 47.Kh2 Nd6 48.a4+/– Rd5 49.Nd3 Ne4 50.f3 Nd2 51.Kg2 Ra5 52.Nc5 Kh6 53.Nb3 Rd5 54.Rc5 Rd6 55.Nd2 Rd2 56.Kg1 Kh5= 57.a5 Kh4 58.a6 Kg3 59.Kf1+/= Kf3 60.Ke1 Rd7 61.Rg5 Re7 62.Kd1 Ke3 63.Rg6 f3 64.Rg3?? Ra7 65.Rg6= Ra6?? 66.Ra6 f2 67.Rf6 f1Q 68.Rf1 Kd4N 69.h4 Kc5 70.h5 Kc6 71.h6 Kc5 72.h7 Kb6 73.h8Q Kc6 74.Qe5 Kb6 75.Rf6 Ka7 76.Qb2 Ka8 77.Ra6# 1–0. Romano,Alexandre P – Chaves,Jorge Antonio (2150), Taca Almirante Saldanha 2nd, 1997.

7.Nf3 0-0 8.d4 =.

5.c4 0-0

6.Qc2 Nc6 7.Bc3 Bc3 8.Nc3 d6 9.e3 Re8 10.Be2 Be6 11.Nf3 Qd7 12.d4 Na5 13.d5 Bf5 14.Bd3 (14.Qb2!?=) 14...Bd3=+ 15.Qd3 Nb3 (15...Qg4!? 16.0-0 A) 16...Nc4? 17.h3 Nb2 18.Qb5+- (18.hg4 Nd3 19.g5 Nd7-/+); B) 16...Qc4-/+) 16.Rb1= Nc5 17.Qd4 Re7 18.0-0 Rae8 19.Nd2 a6 20.Rfe1 (20.Nb3 Nce4=) 20...b6 (20...Qf5 21.e4 Qg6 22.Re3=) 21.Rb4 (21.Nb3 Na4=) 21...Nfe4 (21...Qg4!? 22.Rd1 Qd4 23.ed4 Re1 24.Nf1 Rd1 25.Nd1 Nd3-/+) 22.Nce4 Ne4 23.Ne4 Re4 24.Qd3 f5 25.g3 (25.h3 a5 26.Rb3 f4=+) 25...Qe7 (25...f4 26.c5 (worse 26.gf4 Qg4 27.Kf1 Qh3 28.Ke2 Rf4-/+) 26...Rb4 27.ab4 fg3 28.hg3 dc5 29.bc5 bc5 30.Qc4=) 26.Rb3 (26.Reb1 a5 27.Rb5 Qg5=) 26...Qf7 (26...f4 27.Kg2=+) 27.f3 (27.Reb1 Qg6=) 27...R4e7 28.Kg2 g6 29.Re2 Qf6 ½-½. petrobbo (2025) - Rettich (2160), ChessWorld.net, 2016.

6.e3 c5 7.Bd6 Ne4 (7...Re8!? 8.Bc5 Nc6=) 8.Bf8+= Qf6 9.f3 (9.Qf3!? Qa1 10.Qe4 Kf8 11.Qh7+/-) 9...Qa1 10.fe4 Kf8 11.Bd3 Nc6 12.Nf3 d6 13.Rf1 (13.0-0 Ne5=) 13...Bg4 14.h3 Bf3 15.Rf3 (better 15.gf3 Qf6 16.Qc2-/+) 15...Ne5-+ 16.Qa4?? (16.Rf1 Nd3 17.Ke2-/+) 16...Nd3 17.Ke2 Qb1 18.Qa5 Ne5 19.Rf5 (19.Rf2 Qd3 20.Kd1 Qb3 21.Ke2 Qc4 22.Kd1 Qe4-+) 19...Qd3 (19...Qe4 20.Rf2-+) 20.Ke1 (20.Kf2 Qe4 21.Rh5 Nc4-+) 20...Qe4 21.Rf4 (21.Re5 Qh4 22.Kd1 b6 23.Re8 Ke8 24.Qa4 Kf8-+) 21…Nd3 (21...Nd3 22.Kd1 Nf4 23.ef4 Qc4-+) 0-1. jhonores (2250) - River_Horse (2245), Rated Blitz game, 2020.

6.e3 Nc6

7.Bb2 d5 8.Qf3 d4 9.h3 Re8 10.g4? (better is 10.Kd1-/+) 10...de3-+ 11.fe3 Nd4 12.Bd4? (12.Qf4 Nc2 13.Kd1 Na1 14.Ba1-+) 12...Qd4 13.Ra2 (13.Nc3 Re3!! 14.Qe3 Qe3 15.de3 Bc3 16.Kf2 Ne4 17.Kf3 Ng5 18.Kf2 Ba1 19.Bg2-+) 13...Re3 14.Qe3 (14.Ne2 Qd3 15.Qe3 Qe3 16.Nbc3 Bc3 17.dc3-+) 14...Qe3 15.Kd1 Qb3 16.Rc2 Qb1 17.Rc1 Qb3 (17...Qb3 18.Rc2 Bd7-+) 0–1. combijack (1795) – leormebanco (1635), gameknot.com, 2012.

7.Bb2 d5 8.Nf3 Ne4 9.Be2 dc4 10.Bc4 Bg4 11.Be2 Qd5 12.0-0 Rad8 13.d4 f6 14.Nbd2 f5 (better is 14...Bd2!? 15.Nd2 Be2 16.Qe2 Nd2 17.Qd2 f5=) 15.Bc4+/– Bf3?? (better is 15...Nd2 16.Bd5 Rd5+/–) 16.Bd5+– Rd5 17.Nf3 (17.gf3?! Nd2 18.Re1 f4+–) 17...g5 Black prepares the advance f4 (17...Rfd8 18.Qb3 Bb6 19.Rab1+–) 18.Qb3 Ne7 19.Qb7 g4 20.Ne5 Bb6 21.Nc4 f4 (21...Nd6 22.Nd6 Rd6 23.a4+–) 22.Nb6 ab6 23.Qc7 Ng6 (23...Rf7 24.Qb6 f3 25.Qe6 fg2 26.Kg2+–) 24.Qc6 Nf6 25.e4 Rh5 (25...Rdd8 26.d5 Nd7 27.Qe6 Rf7 28.Qg4+–) 26.Qb6 1–0. mr5reasons1 (1680) – augean, gameknot.com, 2013.

7.Bb2 d5 8.Nf3 Bf5 9.Nc3 d4 10.Nb5 de3-/+ 11.fe3 Ng4 12.Bc3 Qe7 13.h3?? Ne3!-+ (13...Ne3 14.de3 Qe3 15.Be2 Bc3 16.Nc3 Qc3 17.Kf2 Rfe8-+) 0–1. Stapinski,R – Roszkiewicz,P, Warsaw–ch17 corr, 1993.

7.Bb2 d5 8.Nf3 Bg4 9.cd5 Nd5 10.Be2 Qe7 11.0-0 Rfd8 12.Qa4 Bd7 13.Rc1 Bb6 14.Qc2 Re8 15.Bd3 h6 16.Nc3 Be6 17.Bb5 Red8 18.Bc6 bc6 19.Na4 Nf6 20.Nb6 cb6 21.Qc6 Rac8 22.Qa4 Bd5 23.Rc8 Rc8 24.Qf4 Ne4 (better is 24...Qe4!? 25.Qg3 Qf5+/–) 25.Bg7!+– (25.Bg7 Qa3 26.Ne1+– (26.Ra3?? Rc1 27.Ne1 Re1)) 1–0. poesimannen (2060) – aleliuja (1915), gameknot.com, 2013.

7.Bb2 Re8 8.Nf3 =+.

7.Bc3 d5 8.Ba5 Na5 9.Qa4 b6 10.c5 Ne4 11.d4 Bd7 12.Qc2 Bf5 13.Bd3 bc5-+ 14.dc5 Qf6 15.Ra2 Rab8 16.Ne2 Nf2! 17.Bf5 Nh1 18.Bh7 Kh8 (18...Kh8 19.Bf5 Nc4-+) 0–1. Vomberg – Pommerel,Wim H, CiF, 1987.

6.e3 d5

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5).

7.cd5 Nd5 8.Nf3 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5 7.a3 Ba5 8.cd5 Nd5).

6.e3 Re8

7.Bb2 d5 8.cd5 Nd5 9.Nf3 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5).

7.Bc3 Bb6 8.Qc2 d5 9.cd5 Nd5 10.Bb2 (10.Bd3 h6=+) 10...Nc6 11.Bd3 Nd4 12.Bh7 Kh8 13.Bd4 Bd4 14.Nc3 (14.Ra2 g6 15.Ne2-/+) 14...Bc3?? (better is 14...g6!? 15.Nge2 Bc3 16.Nc3 Kh7-+) 15.dc3=+ Ne3 16.fe3 Qh4 17.Ke2 Qh7 18.Qh7 Kh7 19.Nf3 Bg4 (19...Be6 20.Ng5 Kg6 21.Ne6 Re6 22.Rab1=+) 20.Rhd1 (20.Rab1 b6=) 20...Rad8 21.Rd4 (21.Rab1 b6=) 21...Bf3 22.gf3 c5 23.Rd8 Rd8 24.Rg1 f6 25.h4 g6 26.Rg4 Rd7 27.c4 f5 28.Rg5+= Kh6 29.f4 b6= 30.h5 gh5 31.Rf5 Rg7 32.Rf6+= Rg6? 33.Rf7 Rg7? 34.Rg7+– Kg7 35.e4 b5? (36.cb5 Kf7+–; better is 35...Kf6+–). Ralphs – Plock,Joerg, corr 3GMM–29, 1995.

7.Bc3 c5 8.Qf3 Bc3 9.Nc3 =+.

7.Nf3 c5 8.Be2 Nc6 9.Bb2 d5 10.cd5 Qd5 11.Bf6+= gf6 12.0-0 Bg4 13.Nc3 Qf5 (13...Qe6 14.Qa4+=) 14.Rb1 Rad8 (14...Qd7 15.Qa4 Bf5 16.Rb2+=) 15.Qa4 (better 15.Rb7 Bc3 16.Qb3+-) 15...Bb6? (15...Bc3 16.dc3 Ne5 17.Nh4+= (worse 17.Rb7 Nf3 18.Bf3 Bf3 19.gf3 Qf3-/+)) 16.Rfd1?? (better 16.Nh4 Qg5 17.Qg4 Qg4 18.Bg4 Rd2+-) 16...Kh8?? (16...Bh5 17.Qb5+=) 17.Rb5 (better 17.Nh4 Qg5 18.Qg4 (18.Bg4?! Qh4 19.Bf3 Qg5+-) 18...Qg4 19.Bg4+-) 17...Bh5? (better 17...Rg8!? 18.Qe4 Qe6=) 18.d4+- cd4?? (18...Rg8 19.Kh1 Qg6+/-) 19.Rf5 dc3 (19...Bg6 20.Rd5 dc3 21.Rd8 Rd8 22.Rd8 Bd8+-) 20.Rd8 Rd8 21.Kf1 (better 21.Rh5 Rg8 22.Bd3+-) 21...Bg6 22.g4 (22.Rf4 Ne5 23.Ne1 Rc8+-) 22...Ne7 (22...Bf5 23.gf5 Rc8 24.Qc2+-) 23.Qc2 (23.Rf4!? Nd5 24.Rc4 Be3 25.fe3 Ne3 26.Kf2 Nc4 27.Qc4 c2+-) 23...Ba5 (23...Rc8 24.Nh4 Bf5 25.Nf5 Nf5 26.Qf5+-) 24.Bd3 Nf5 25.gf5 Bh5 26.Nd4 Rc8 27.f3 a6 (27...Bb6 28.Qg2+-) 28.Kf2 (28.Qa4 b6+-) 28...b5 (28...Bc7 29.Be4+-) 29.Kg3 (29.Ne2 Kg7+-) 29...b4 (29...Kg7+-) 30.ab4 Bb4 31.Kh4 (31.Ba6 Ra8 32.Qa4 c2 33.Qc2 Kg7+-) 31...a5 (31...Bf3 32.Nf3 a5 33.Kg3+-) 32.Kh5 a4 (32...Re8+-) 33.Qa4 Bc5 34.Qd7 (34.Qa6 Rg8 35.Qf6 Rg7+-) 34...Rg8 35.Qf7 Rg5 36.Kh4 (36.Kh6 Rg6 37.fg6 Bd4 38.Qh7) 36...Bd4 37.ed4 Rg2 (37...Rg8 38.Bc4 Rg4 39.fg4 c2 40.Qf6) 38.Qf8 (38.Qf6 Rg7 39.Kh5 c2 40.Bc2 h6 41.Kh6 Kg8 42.Qg7) 38...Rg8 39.Qf6 Rg7 40.d5 (40.Kh5 c2 41.Bc2 h6 42.Kh6 Kg8 43.Qg7) 40...Kg8 (40...c2 41.Bc2 Kg8 42.d6 Rb7 43.d7 Rb4 44.Kg3 Rg4 45.fg4 h6 46.d8Q Kh7 47.Qfe7) 41.d6 Rf7 (41...Kh8 42.d7 h5 43.Qh6 Kg8 44.d8Q Kf7 45.Qe6) 42.Bc4 c2 43.Qf7 (43.Qf7 Kh8 44.Qf6) 1-0. jhonores (2255) - skettos_attack (2255), Rated Blitz game, lichess.org, 2020.

7.Nf3 c5 8.Be2 Nc6 9.Bb2 d5 10.cd5 Nd5 11.0-0 Bg4 12.Qc2 Bc7 (12...Nf4! 13.ef4 Re2=) 13.Qc5= Nf6 (13...Nf4!? 14.Bc4 Bf3 15.ef4 Bg4=) 14.Qg5+/- h6 15.Bf6 hg5 16.Bd8 Bd8 17.d4 Ba5 (17...Be6!?+/-) 18.h3+- Bh5 19.g4 Bg6 20.Rd1 Bc2 21.Rc1 Bg6 22.Nc3 Rec8 23.Nd5 Be4 24.Rc6! Bd5 (24...bc6 25.Ne7 Double attack; 24...Rc6 25.Ne7 Double attack (25.Ne7 Decoy)) 25.Rc8 Rc8 26.Ng5 Rc2 27.Bf3 Bc4 (27...Bf3 28.Nf3 Kf8 29.Rb1+-) 28.Kg2 (28.Bb7!? Kf8+-) 28...f6 29.Ne4 Bc7 (29...b5 30.h4+-) 30.a4 b6 (30...a6 31.a5+-) 31.a5! ba5 32.Nc5 Bb6 33.Nd7 (33.Be4!? Rc3+-) 33...Bb3 34.Bd1 (34.Be4 Rc3+-) 34...Rc3 (34...Bd5!? 35.Kf1 Rc7+/-) 35.Bb3+- Rb3 36.Nc5 Rc3 37.Ne4 Rc2 38.Kf3 Kh7 (38...Kf7 39.h4+-) 39.h4 Rc4 40.h5 a4 41.Rb1 (41.g5 fg5 42.Ng5 Kg8+-) 41...a3 42.Ra1 Ra4 43.Nc3 Ra6 44.Na2 (44.Ke4 Kh6+-) 44...Ba5 45.Rb1 (45.Ke4!? Kh6+-) 45...Rb6+/- 46.Rb6 (46.Rc1!? Rb2 47.Ra1 Rc2+/-) 46...ab6 47.Ke4 b5 48.Kd3 b4 (48...g6!?+=) 49.Kc4+- g6 50.f4 (50.Kb3 f5 51.hg6 Kg6 52.gf5 Kf5+-) 50...gh5+/- 51.gh5 Kh6 52.e4 (52.d5!?+/-) 52...Kh5+= 53.e5 Kg6 54.d5 fe5 (54...Kf5 55.e6 Bd8 56.Kb4 Be7 57.Kb5 Kf4 58.Nc3-/+) 55.fe5+/- Kf5 56.e6 Kf6 57.Kb3 Ke7 58.Nc1 Kd6? (better 58...Bc7 59.Kb4 Kd6+/-) 59.Ne2?? (better 59.Nd3+-) 59...Kd5?? (better 59...Bd8=) 60.e7+- Ke4 (60...a2 61.Ka2 Bc7 62.e8Q+-) 61.e8Q Kd3 62.Qd7 (62.Qe5 Bc7 63.Nf4 Kd2 64.Qe2 Kc1 65.Qc2) 62...Ke2+- 63.Qe6 Kd1 64.Qd5 Kc1 (64...Ke2+-) 65.Qh1 (65.Qh1 Kd2 66.Qh6 Ke1 67.Qh4 Kf1 68.Qf6 Kg2 69.Qg5 Kf3 70.Qf5 Kg3 71.Qa5+-; 65.Qd3 Bb6 66.Qc2) 1-0. jhonores (2270) - KingofKings7 (2290), Rated Blitz game, lichess.org, 2020.

7.Nf3 c5 8.Be2 Nc6 9.Bb2 d5 10.cd5 Nd5!? 11.Qc2 Qe7=.

7.Nf3 Nc6 8.Bb2 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

7.Nf3 d5 8.cd5 Nd5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.cd5 Nd5 8.Nf3 Re8).

6.Nf3 Nc6

7.Bb2 d5 8.e3 Re8 9.cd5 Nd5 10.Be2 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2).

7.Bc3 Bc3 8.Nc3 d5 9.cd5 Nd5 10.Nd5 Qd5 11.g3? Nd4 12.Bg2 Re8 13.0-0 (13.e3 Bg4 14.Nh4 Qb5-+ (14...Bd1?! 15.Bd5 Nc2 16.Kd1 Na1 17.Nf3-/+)) 13...Ne2-+ 14.Kh1 Bg4 (14...Bf5 15.Re1 Qc4 16.d4-+) 15.Ng1 Qh5 (15...Qa5!? 16.Qb3-/+) 16.Qb3-/+ Rab8 17.Rfe1 b6 (17...b5 18.Ne2 Be2 19.d4-/+) 18.Qc4 (better is 18.Qa4!? Re7 19.Qa7+=) 18...c5-+ 19.Qa4 Re6 (better is 19...Re7!?-+) 20.h3+= Ng1 21.Qg4 (better is 21.Re6!? Be6 22.Qa7+=) 21...Qg4-/+ 22.hg4 Ne2 23.Bd5 Re5 24.Bc6 (24.Bc4 Rbe8 25.Kg2 g6-/+) 24...Rd8-+ 25.Kg2 (25.Rad1 Re6 26.Kg2-+) 25...Rd2 26.Bb5 f6 27.g5 (27.Rad1 Rd1 28.Rd1 Nd4 29.Bc4 Kf8-+) 27...Nd4 (27...fg5?! 28.Bc4 Kf8 29.Kf1 Ng3 30.fg3+=) 28.Bc4 Kf8 29.gf6 gf6 30.Re5 (30.Red1 Rd1 31.Rd1 b5-+) 30...fe5 31.Re1 (31.Ba6 Nc2 32.Rh1 e4 33.Rh7 e3-+) 31...Nc2 (better is 31...b5!? 32.Bd5 c4 33.Re3-+) 32.Re5 Na3 33.Be6 (33.Rf5 Kg7 34.Rf7 Kg6-+) 33...c4 34.Bf5? (34.Re3 Nc2 35.Rc3-+) 34...c3 35.Re3 (35.Bh7 c2 36.Bc2 Nc2-+) 35...Nb5 (better is 35...c2 36.Rc3 b5 37.Kf3-+) 36.Bd3 (36.Bh7 c2 37.Bc2 Rc2 38.g4-+) 36...c2 37.Rf3 Kg7 (37...Kg7 38.Bc2 Rc2-+) 0–1. Basanko,Viktor – Rudakov,Aleksandr (2015), Stavropol Region Championship, 2011.

6.Nf3 d5

7.cd5 Nd5 8.Qa4 =+.

7.cd5 Nd5 8.e3 Nd7 9.Bb2 Nc5 10.Be2 Bd7 11.Qc2 Qe7 12.0-0 Rfd8 13.d4 Na4 14.Bc1 Rac8 15.e4 Nac3 16.Nc3 Nc3 (16...Bc3? 17.Rb1 Ba4 18.Qd3+–) 17.Bd3 Ba4 18.Qd2 b6 (18...c5 19.Qe3 cd4 20.Nd4-/+) 19.Qf4 (19.Qg5 Qg5 20.Bg5 f6=) 19...Bb5 (19...c5 20.Qg5 f6 21.Bc4 Kh8-+) 20.Bb5= Nb5 21.Bb2 Bc3 Can d4 get defended? 22.Bc3 Nc3 23.Rfe1 Nb5 24.Qe3 c6 25.a4 Nc7 26.Rec1 Ne6 27.Rc4 Qd6 28.Rac1 g6 29.h4 Qf4 (29...Rc7!?+=) 30.Rc6+/– Rc6 31.Rc6 Qg4 32.g3 (32.Rc4!?+/–) 32...Nd4= 33.Nd4 Qd1 34.Kg2 Qd4 35.Qd4 Rd4 36.a5 ½–½. Jamieson,Ian (2000) – Bennett,Dominic, Yeovil op, 2009.

6.Nf3 d6

7.Bb2 Nc6 8.e3 d5 9.Be2 dc4 10.Bc4 Bg4 11.0-0 Re8 (better 11...Qd6=) 12.Bf7?? (better 12.Qb3 Bh5 13.Qb7 Bf3 14.gf3=) 12...Kf7-+ 13.Ng5 Kg6 14.Bf6 Bd1 (14...gf6?! 15.Qg4 f5 16.Qc4 Qg5 17.Nc3-+) 15.Bd8 Rad8 (15...Red8?! 16.Ne6 Bc2 17.Nd8 Rd8 18.d4-/+) 16.Rd1 Kg5 17.d4 Kg6 18.Nd2 Ne5 19.Nb3 (19.de5 Bc3 Double attack (19...Rd2 Pinning; 19...Rd2 Deflection; 19...Bc3 Decoy)) 19...Nc4 20.Rdc1 b5 21.Na5 (better 21.Rc4!? bc4 22.Na5=+) 21...Na5-/+ 22.Rc7 a6 23.Ra7 Rd6 24.Rc1 Nc4 25.a4 Rb6 (25...Kf6 26.Rc7-/+) 26.g4 Rc8 27.h4 h6 (better 27...ba4 28.e4 a3-+) 28.Kg2?? (28.ab5!? ab5 29.h5 Kh7 30.Rca1-/+) 28...b4 (better 28...Ne3 29.fe3 Rc1 30.h5 Kh7-+) 29.a5 Rf6 30.Rb1 Rcf8 31.h5 (31.Kg1 Rb8-+) 31...Kh7 32.f4 (32.Kg1 Rf2 33.Ra6 Ra2-+) 32...Ne3 33.Kf3 Nd5 (better 33...Nc2!? 34.f5 Nd4 35.Kf4-+) 34.Ke4?? (34.f5 Rc6 35.Rd7 Rc3 36.Kf2-+) 34…Nc3 (34...Nc3 35.Kd3 Nb1-+) 0-1. jhonores (2225) - PimponNicois (2365), Rated Blitz game, lichess.org, 2020.

7.Bb2 Nc6 8.e3 Bg4 9.Be2 Re8 10.0-0 d5 11.cd5 Qd5 12.Nc3 (12.Bf6!? gf6 13.Nc3+=) 12...Qh5 13.d4 Rad8 14.Rc1 Ne7 (better 14...Qg6=) 15.Nb5 (15.h3!? Be6 16.Qa4=) 15...c6 (15...Bf3 16.gf3 Ned5 17.f4 (17.Na7? Re3 18.Kh1 Re6-+) 17...Qg6 18.Kh1-/+) 16.Na7 (16.Nc3!?=) 16...Bc7-/+ 17.Rc5 Ned5 (17...Qh6 18.h3 Bf3 19.Bf3 Bb6 20.Nc6 bc6-/+ (worse 20...Nc6 21.Rb5 Nd7 22.Qb3=)) 18.g3?? (better 18.h3 Bf5 19.Bc1=) 18...Bb6 19.Nc6 bc6 20.Rc6 Ba7 21.Re1 Rc8 (21...Rb8 22.Bc1-/+) 22.Ne5 (22.Rc8 Bc8 23.Ne5 Qh3=) 22...Be2 (22...Rc6 23.Nc6 Bb8 24.Ne5 Be2 25.Qe2=+) 23.Qe2=+ Qe2 (23...Ng4! 24.h4 Rc6 25.Nc6 Bb6=+) 24.Re2= Rc6 25.Nc6 Bb6 26.a4 Re6 (26...Ra8 27.e4 Nc7 28.d5=) 27.Ne5 Ba5 28.Rc2 g6 (28...Re8 29.Nc6 Nb4 30.Rc3 Nc6 31.Rc6=) 29.Nc6 (29.Rc8 Kg7+/-) 29...Nb4 (29...Bc3 30.Nd8 (30.Bc3? Rc6 31.a5 Rc3 32.Rc3 Nc3-+) 30...Re8 31.Bc3 Rd8 32.Ba5+=) 30.Nb4+= Bb4 31.Rc8 Re8 32.Rc6 Rb8 (better 32...Ne4!?=) 33.Rf6+/- Be7 34.Rc6 Rb2 35.a5 Ra2 36.a6 Kg7 37.Kg2 h5 38.h4 Bf6 (38...Bb4 39.Kf1=) 39.Kf3 Bd8 40.e4 (40.d5 Ba5 41.d6 Bd8+/-) 40...Bf6 (40...Ra3 41.Kg2+-) 41.e5+- Bd8 42.Ke4 g5 (42...Kf8 43.f4+-) 43.hg5 Bg5 44.d5 White prepares e6 44...Re2 45.Kf5 White intends e6 45...Ra2?? (45...Bd8 46.f4 Ra2+-) 46.e6 (better 46.Kg5 Ra5 47.d6 f6 48.Kf5 Re5 49.Kf4+-) 46…Bd2 (46...Bd2 47.e7 Bc1 48.Rc1 Rf2 49.Ke5 Ra2+-). jhonores (2220) - Zwartevogel (2170), Rated Blitz game, lichess.org, 2020.

6.Nf3 Re8

7.Bb2 c6 (7...Nc6 8.e3=+) 8.e3 d5 9.Qc2 Ne4 (9...Bg4 10.Ne5=+) 10.Nc3 (10.Bd3 Bf5=) 10...Bg4 (10...Bf5 11.Ne4 Re4 12.Qb3=+) 11.Ne4 (11.cd5 cd5 12.Ne4 de4=+ (< 12...Re4 13.Nd4+=)) 11...de4 (< 11...Re4 12.cd5 cd5 13.Nd4=) 12.Ne5 (12.Nd4 Nd7=+) 12...Bh5 (12...Be6 13.h3-/+) 13.g4=+ Bc7 14.d4 (14.Nc6 Nc6 15.gh5 Qh4=+) 14...ed3 (14...Be5 15.gh5 Bc7=+) 15.Nd3 (15.Bd3 h6= (< 15...Re5 16.Be5 Be5 17.0-0-0+=)) 15...Bg6 (15...Bg4 16.Rg1 Qh4 17.Be2 Ba5 18.Nb4-/+) 16.h4 (16.Qc3 f6 17.0-0-0 Qe7=+) 16...Be4 17.Rh3 Ba5 18.Ke2 (18.Bc3!?-/+) 18...Na6 19.f3 Bd3 20.Qd3 Qd3 21.Kd3 Rad8 22.Kc2 (22.Bd4 c5 23.Rd1 Bb6-+) 22...Rd2 23.Kb3 (23.Kb1 Re3 24.f4 Re1 25.Ka2 Ra1 26.Ka1 Rd1 27.Ka2 Rf1-+) 23...Re3 24.Ka2 Rb2! 25.Kb2 Bc3 26.Ka2 Ba1 27.Ka1 Re1 (27...Re1 28.Kb2 Rf1-+) 0–1. Jamieson,I – Middleton,Tom, 32nd Guernsey Chess Festival, 2006.

7.Bc3 Nc6 8.e3 d5 9.Ba5 Na5 10.cd5 Nd5 11.Be2 Qf6 12.d4 Qg6 (12...c5 13.0-0=+) 13.0-0 (13.Ne5 Qe6=) 13...Bh3 14.Ne1 Rad8 15.Kh1 (15.Nd2 Bf5=) 15...Bf5=+ 16.Bd3 (16.Bf3 Qa6 17.Be2 Qf6=+) 16...c5-/+ 17.Bf5 Qf5 18.Nf3 Nc6 19.Nbd2 cd4 20.ed4 (20.e4 Re4 21.Ne4 Qe4=+) 20...Nf4-/+ 21.Nb3 Qg4 22.g3 Ne6 (22...Ne2 23.Kg2-/+) 23.Kg2 (23.Re1!?=+) 23...h6 24.h3 (better 24.Ng1 Qe4 25.f3-/+) 24...Qe4 (better 24...Nf4!? 25.Kg1 Qh3 26.gf4 Re6-+) 25.Re1-/+ Qd5 26.Kh2 Re7 27.Rc1 (27.Re3 a5 28.a4 Red7-/+) 27...Red7 28.Qc2?? (28.Qd3 a5-/+) 28...Ned4 (better 28...Qf3 29.Re3 Qf6-+) 29.Nbd4-/+ Nd4 30.Nd4 Qd4 31.Qf5 Rd5 (31...Qb2 32.a4-/+) 32.Qf3 Qd3 33.Re3 Qd2 (33...Qf5 34.Kg2-/+) 34.Rce1 (34.Re7 f6 35.Rcc7 R8d7=) 34...g6 (34...f5 35.Kg2=+) 35.R1e2 (35.Qf6 Rf8 36.R1e2 Qd4=+) 35...Qd1 (35...Qd4 36.Re4 Qc5 37.R2e3=+) 36.Re8 (better 36.Re7!? Rf5 37.Re8 Kg7 38.Rd8 Qd8 39.Qb7=) 36...Re8-/+ 37.Re8 Kg7 38.Qc3 Qd4 39.Qf3? (better 39.Qe1-/+) 39...Rf5-+ 40.Qe3 Rf2 41.Kg1 Qe3 42.Re3 Ra2 43.h4 b5 44.Rb3 a6 45.g4 Kf6 46.Rf3 Ke6 47.h5 (47.g5 hg5 48.hg5 a5-+) 47...gh5 48.gh5 f5 49.Re3 Kf6 50.Rc3 (50.Rg3-+) 50...Kg5 51.Rc2 (51.Rh3-+) 51...Rc2 52.a4 (52.Kf1 f4 53.Kg1 f3 54.Kf1 Kf4 55.a4 Kg3 56.Ke1 f2 57.Kd1 Ra2 58.ab5 f1Q) 52...Ra2 (52...b4 53.a5 b3 54.Kf1 b2 55.Ke1 b1Q) 53.ab5 Ra5 (53...ab5 54.Kf1 b4 55.Ke1 b3 56.Kd1 Rc2 57.Ke1 b2 58.Kd1 b1Q) 54.b6 Rb5 55.Kf2 Rb6 56.Kf3 Rb3 57.Ke2 Kh5 58.Kd2 Kg5 59.Kc2 f4 60.Kb3 Kg4 61.Kc3 f3 62.Kd2 f2 63.Ke2 Kg3 64.Kf1 Kf4 (better 64...h5-+) 65.Kf2 h5 66.Kg2 Kg5 (66...a5 67.Kh3 Kg5 68.Kg2-+) 67.Kh3 h4 68.Kg2 Kh5 (68...a5 69.Kf2 a4 70.Ke3 a3 71.Ke4 a2 72.Kd4 a1Q 73.Kd3 h3 74.Ke4 h2 75.Kd5 h1Q 76.Kd6 Qd4 77.Kc7 Qh7 78.Kc6 Qhd7) 69.Kh2 a5 70.Kg2 a4 71.Kf2 a3 72.Kf3 (72.Ke3 a2 73.Kf4 a1Q 74.Ke3 h3 75.Ke4 h2 76.Kf5 h1Q 77.Ke6 Qc6 78.Kf7 Qcf6 79.Ke8 Qa4) 72...a2 73.Kf4 (73.Kf2 h3 74.Ke1 a1Q 75.Ke2 h2 76.Kd3 h1Q 77.Kc4 Qe4 78.Kc5 Qa7 79.Kd6 Qae7) 73...a1Q 74.Kf5 (74.Ke3 Qc3 75.Kf4 h3 76.Kf5 h2 77.Ke4 h1Q 78.Kf5 Qd5 79.Kf4 Qdf3) 74...Qb2 (74...h3 75.Ke4 h2 76.Kd5 h1Q 77.Kd6 Qf6 78.Kc5 Qhc6 79.Kb4 Qfc3) 75.Kf4 (75.Ke6 h3 76.Kd7 Qd4 77.Kc7 h2 78.Kc8 h1Q 79.Kc7 Qc1 80.Kb7 Qb4 81.Ka6 Qca3) 75...Qb1 (75...h3 76.Ke4 h2 77.Kd5 h1Q 78.Kc5 Qc3 79.Kd6 Qhc6 80.Ke7 Q3f6) 76.Ke5 (76.Kf3 Qd3 77.Kf4 Qd4 78.Kf5 h3 79.Ke6 h2 80.Kf7 h1Q 81.Ke6 Qb7 82.Kf5 Qbe4) 76...Qc1 (76...h3 77.Kd6 Qd3 78.Kc7 h2 79.Kc6 h1Q 80.Kb6 Qd6 81.Kb5 Qhc6 82.Ka5 Qd2) 77.Kf6 (77.Kd6 h3 78.Ke5 Qe3 79.Kd6 h2 80.Kc6 h1Q 81.Kd6 Qd1 82.Kc6 Qa7 83.Kb5 Qda4) 77…Qc2 (77...Qc2 78.Ke6 h3 79.Kd6 h2 80.Kd5 h1Q 81.Ke5 Qc5 82.Kf6 Qb7 83.Ke6 Qbe7; 77...Qg5 78.Kf7 Qe5 79.Kg8 Qe8 80.Kg7 Qe7 81.Kg8 Kg6 82.Kh8 Qd8) 0-1. cipiripi (2230) - piongu (2360), Rated Blitz game, lichess.org, 2015.

7.e3 d5 8.Be2 c5 9.cd5 Nd5 10.0-0 Nc6 11.Bb2 Bf5 12.Qb3 Qd7 13.Rc1 Bb6 14.Nc3 Be6 15.Nd5 Bd5 16.Bc4 (16.Qc3 f6=) 16...Na5 (16...Bf3 17.gf3 Ne5 18.Be5 Re5 19.f4=+) 17.Qc3= f6 18.Bd5 Qd5 19.Rd1 Rad8 20.d4 cd4 21.Nd4 Rc8 22.Qe1 Nb3 23.Rab1 Nd4 24.Bd4 Bd4 25.Rd4 Qd4 26.ed4 Re1 27.Re1 Kf7 (27...Rc3!?=+) 28.Kf1= Rc3 29.Ke2 (better 29.Re3!? Rc4 30.Rb3=) 29...Ra3-/+ 30.Rc1 b6 31.Rc7 Kg6 32.h4 Ra5 33.Kd3 h5 34.f3 Ra2 (34...b5 35.d5=+) 35.g4 (35.d5 Ra1=+) 35...a5 (35...hg4 36.fg4 Rg2 37.h5 Kh6 38.Ra7 Rg3 39.Kc4 Rg4 40.Rb7-/+) 36.d5 (36.gh5 Kh5 37.Rg7 Kh4=) 36...Ra1 (better 36...Ra3 37.Ke2 hg4 38.fg4 Ra4=+) 37.Kc4?? (better 37.gh5 Kh5 38.Rg7 Rd1 39.Ke4 Kh4 40.Rb7=) 37...Rc1-+ 38.Kb5 Rc7 39.d6 (39.Kb6 Rc3-+) 39...Rd7 40.Kc6 Rd6! 41.Kd6 a4 0-1. jhonores (2225) - The_naked_Director (2215), Yearly SuperBlitz Arena, lichess.org, 2020.

5.c4 Nc6

6.Bb2 Bb6 7.Nf3 (7.e3 d6=) 7...Ne4 (7...0-0 8.e3=+) 8.Qc2 (8.e3 0-0=) 8...Nf2 (8...Bf2!? 9.Kd1 Qe7 10.Bg7 Rg8=+) 9.Rg1= (9.Bg7? Rg8 (worse 9...Nh1 10.Bh8 Bf2 11.Kd1+=) 10.Rg1 Rg7-+) 9...Nd3 (9...Nh3 10.gh3 Bg1 11.Bg7 Rg8 12.Qh7 Rg7 13.Qh8 Ke7 14.Qg7 Bb6+–) 10.Qd3+– Bg1 11.Ng1 (11.Bg7 Rg8 12.Qh7 Rg7 13.Qh8 Ke7 14.Qg7 Bb6+–) 11...f6 (11...0-0 12.Nf3+=) 12.Nf3 0-0 (12...d6 13.Qe4 Ne7 14.Kf2+=) 13.Nc3. Goldmund,Heike – Martinez Camacho,Victor Hugo, FICGS, 2017.

6.Bc3 Bb6 7.Nf3 d6 8.e3 Bg4 9.Be2 0-0 10.d4 Qd7 11.d5+= Ne7 12.Bf6 gf6 13.0-0 c6 14.Nc3 cd5 15.cd5 Rfc8 16.Ne4 Kg7 17.h3 (17.Qb3 Rc7+–) 17...Bh5 (17...Bf5 18.Bd3+=) 18.Ng3 (18.Qb3 Bg6 19.Bb5 Qc7+=) 18...Bg6+= 19.Nh4 Rc5 (19...Bc2 20.Qd2 Bg6 21.Bg4+–) 20.e4 (20.Ng6?! fg6 21.Bf3 Rac8=) 20...Rc3 21.Bg4 (worse 21.Ng6 fg6 22.Bg4 Qb5+=) 21...Qd8 (21...Qc7!? 22.Ngf5 Kh8+–) 22.Ngf5+– Kf8 (22...Bf5 23.Nf5 (23.ef5?! Rac8=+) 23...Nf5 24.Bf5+– (24.ef5?! Rac8=)) 23.Qd2 (23.Ng6?! hg6 24.Ne7 Qe7+=) 23...Bf5 24.Nf5 (24.ef5?! Rac8+=) 24...Nf5 25.Bf5 (25.Qc3 Bd4 26.Qb4 a5 27.Qb7 Ng3+–) 25...Rg3 (25...Qc7 26.Rfc1 Bd4 27.Rab1+– (27.Qd4?! Rc1 28.Kh2 Kg7=; 27.Bh7?! Kg7 28.Bf5 Qc5+–)) 26.Bh7 Kg7 (26...Ke7 27.Kh2 Rg5 28.Bf5+–) 27.Qf4 Rg5 28.Bf5 Bd4 29.Rac1 Qb6 30.Rb1 Qc5 (30...Qa6 31.h4 Rh5 32.Rfc1+–) 31.Rb7 (31.Qf3!? Qc7 32.h4 Rg6 33.Bg6 fg6+–) 31...Qa3 32.Be6 Rg8 (32...Rf8+–) 33.Bf7 (33.Rf7 Kg6 34.h4 Be5 35.Rf6 Bf6 36.hg5 Rf8 37.Bf5 Kg7+–) 33...Rg2 (33...Rh8 34.Bh5 Kg8+–) 34.Kg2 Kf8 (34...Rb8 35.Qg4 Kh8 36.Rb8 Kh7 37.Qg6) 35.Bg8 Kg8 (35...Ke8 36.Bf7 Kd8 37.Qf5 Qh3 38.Kh3 Bf2 39.Qd7) 36.Qg4 (36.Qg4 Kh8 37.Qg7) 1–0. Liszewski,Krzysztof – Czudowski,Marek, OLM, 2006.

6.Nf3 0-0 7.Nc3 Ne5-/+ 8.Ne5 Bc3 9.dc3 Re8 10.Nf3 d5 11.e3 c6 12.Bd3 dc4 13.Bc4 Bg4 14.Qd8 Rad8 15.Ng5 Bh5 16.0-0 h6 17.Nh3 Bg4 18.Nf4 g5 19.Ne2 Be6 20.Be6= Re6 21.Rad1 Red6 22.Rd6 Rd6 23.Nd4 Kh7 24.g3 a5 25.a4 Kg6 26.Rb1 Nd5 27.Rb7 Nc3 28.Rb6 Na4 29.Rc6 Rc6 30.Nc6 Nc5 31.Na5 g4 32.Nc4 h5 33.Kg2 f5 34.f4 Kf6 35.h3 Ke6 36.Nd2 Kd5 37.hg4 ½–½. Rehfeld,Rolf – Zimmer, corr, 1985.

6.Nf3 Ne5 7.Ne5 0-0 8.e3 Re8 9.Nf3 d5 10.cd5 Nd5 11.Be2 Qf6 12.Ra2 Be6 13.Rc2 Nf4?? 14.Rc5?? Ng2-+ 15.Kf1 Bh3 16.Kg1 Bb6 17.Rh5 Ne3?? 18.de3= Qe6 19.Ne5 Rad8 20.Qa4 Bf5 21.Qf4?? Bb1-/+ 22.Bc4 Rd5 23.e4 Re5 24.Be6= R5e6 25.e5 f6 26.Qc4 Bg6 27.Rh3 Bf7 28.Qd3 h5 29.ef6 Rd6 30.Qc3 Re2 31.Rf3 Rdd2 32.Kf1?? Bf2 33.Rd3 Re1+= 34.Kg2 Ra2 35.Rd8 Kh7 36.Rd2 Re3 37.Qd4 Rea3 38.Qe4 Kh6 39.Rf2 (39…Rf2 40.Kf2 Ra2 41.Ke3 Ra3 42.Kd2 Ra2 43.Kc3 Ra3 44.Kb4 Rb3 45.Ka4+–) 1–0. Hind,Alan – Brege,Jean Luc, corr FRA–SCO team m, 1997.

6.Bb2 0-0

7.Nc3 d5 8.cd5 Nd5 9.Rc1 Re8 10.e3 Nf4 11.Nf3 Bf5 12.Qa4 Nd3 13.Bd3 Bd3 14.Ne2 Be2 (14...Re4 15.Qb3+=) 15.Ke2= Bb6 16.Qg4 f6 17.Rhd1 Qe7 18.Kf1 Rad8 19.Qc4 Qe6 20.Qe6 Re6 21.d4 Red6 22.Nd2 Ne5 23.Bc3 Nc6 24.Nc4 R6d7 25.Rd2 Ne7 26.a4 c6 27.Rb2 c5 28.Nb6 ab6 29.dc5 bc5 30.Be1 c4 (30...Ra8 31.a5+/– (worse is 31.Rc5 Ra4 32.Rcb5 Ra7=)) 31.Rc4 Ra8 32.Ke2 f5 33.f3 g6 34.Bc3 Nc6 35.h4 Rad8 36.a5 Ra8 37.e4 fe4 38.fe4 (38.Re4?! Na5 39.Ra2 b6+=) 38...Re7 39.Ke3 Rd7 40.e5 Kf7 41.Ke4 Ke6 42.Rc5 Rc8 43.Rb6 Rdc7 44.g4 h5 45.g5 Ke7 46.Bb4 Ke6? (46...Ke8 47.Rc4 Ra8 48.e6+–) 47.Rd5 (better is 47.Rc4!? Ra8 48.Bd6 Rd7+–) 47...Ra8 48.Rd6 Kf7 49.Rf6 Kg7 50.Bd6 Rd7 51.Kd5 Ra5 (51...Na5 52.e6 Rdd8 53.e7+–) 52.Ke6 Rd8 1–0. poesimannen (2035) – ondrej (1705), gameknot.com, 2013.

7.Nc3 d5 8.cd5 Nd5 9.Nd5 Qd5 10.e3 Bf5 11.Nf3 Bd3 (11...Rad8 12.Bc3-/+) 12.Bd3+= Qd3 13.Qb1 Qc4 14.Qa2 Qd3 15.Qb1 Qc4 16.Qa2 Qd3 17.Qb1 ½–½. poesimannen (2075) – GeenRemises (2050), FICS rated standard game, 2013.

7.Nc3 d5 8.cd5 Nd5 9.Nf3 Re8 10.e3 Nc3 11.Bc3 Bc3 12.dc3 Qf6 13.Rc1 Bg4 14.Be2 Rad8 15.Qa4 h5 16.0-0= Ne5 17.Nd4 c5=+ 18.Bg4 cd4 19.Bh5 de3=+ 20.Be2 Qb6 21.Qb4 ef2 22.Rf2 Qe3 23.Qf4? Nf3!-+ (23...Nf3 24.Qf3 Qc1 25.Rf1 Qe3 26.Rf2 Re7-+) 0–1. thotares (1695) – jaskier (2175), internet, 2007.

7.e3 d5 8.Qc2 Be6 (8...d4 9.Bd3 de3 10.fe3-/+) 9.Nf3=+ h6 10.Nc3 (10.Bd3!?=) 10...dc4-/+ 11.Be2 a6 (11...Qe7 12.0-0-/+) 12.0-0 b5 (12...Qe7 13.d3 Bf5 14.e4 cd3 15.Bd3-/+) 13.Rfd1=+ Qe7 (13...Qe8 14.d3 Bf5 15.Rac1=+) 14.d3 cd3 (14...Bf5 15.e4 Bg6 16.dc4 Ne4 17.Bd3 Nc3 18.Bc3 Bd3 19.Rd3=+) 15.Bd3 Nd8 16.Ne4 Ne4 17.Be4 Rc8 18.Nd4 (18.a4 f5 19.Bd3 c6=) 18...c5=+ 19.Ne6 Ne6 (worse 19...Qe6 20.Bf5 Qc6 21.Bc8 Qc8 22.Rac1+–; 19...fe6?! 20.a4 Bb4 21.ab5 ab5 22.Ra6=+) 20.Bf5 (20.a4 Bb4=+) 20...Rfd8 (20...c4 21.Bh7 Kh8 22.Be4-/+) 21.Be6 (21.a4!? Rd1 22.Rd1-/+) 21...Qe6 22.Rd8 Bd8 23.Qc3 (23.Rc1 Bf6-/+) 23...Bf6-+ 24.Qc2 Bb2 25.Qb2 Qd6 (25...Rd8 26.Rc1-+) 26.Qc2 (26.Rc1 c4-+) 26...c4 (26...Rd8 27.h3-+) 27.Qc3 Rd8 28.Kf1? (28.h3 Qd2 29.Qd2 Rd2-+) 28...Qd2 (better 28...Qh2 29.g3 Rd5-+) 29.Qd2 Rd2 30.Ke1 (30.h3 Rc2-+) 30...Rb2 (30...Rc2 31.h4-+) 31.g3 (31.e4 Kf8-+) 31...Kf8 32.h4 (32.g4 c3-+) 32...Ke7 33.Rd1?! (33.Rc1-+) 33...Ra2 34.e4 (34.Rd4 Ra3 35.Re4 Kf8-+) 34...Ra3 35.Ke2 (35.Rb1 Ra2 36.Rc1 Kd6 37.Rd1 Ke6-+) 35...Rd3! 36.Ra1 (36.Rd3 cd3 Passed pawn) 36...Rd6 37.f4 (37.Rb1 Ke6-+) 37...Kd7 (37...b4 38.e5 Rc6 39.Kd2-+) 38.e5 Rc6 39.Ke3 (39.Kd2 b4-+) 39...Kc7 (39...b4 40.Kd2-+) 40.g4 (40.f5 b4 41.Kd2 h5-+) 40...c3 (40...b4 41.Kd2-+) 41.Kd3 b4 42.g5 (42.Kc2 Kb6 43.f5 Rc4-+) 42...hg5 43.hg5 (43.fg5 b3 44.Ra6 b2 45.Rc6 Kc6-+) 43...c2 (better 43...b3!? 44.Ra6 Ra6 45.Kc3-+) 44.Kd2 b3 (44...b3 45.Kc1 Rc3-+) 0–1. Goldmund,Heike – Kopasov,Evgeny (2005), FICGS, 2015.

7.e3 d5 8.Nf3 Be6 9.cd5 Bd5 10.Nc3 Be6 11.Be2 Qd7 12.0-0 Rad8 13.d4 Rfe8 14.Rc1 Nd5 (14...Qd6 15.Qc2=) 15.Bb5 Nc3 (15...Bc3 16.Bc3 Bg4= (worse 16...Nc3 17.Rc3 Bd5 18.Ne5+/-)) 16.Bc3+/- Bd5?? (better 16...Bc3 17.Rc3 Bg4 18.Bc6 bc6+/-) 17.Ba5+- Bf3 18.Qf3 Re6 (18...Nd4 19.ed4 Qb5 20.Rc7+-) 19.d5! Rf6 (19...Qd5 20.Bc6 Double attack (20.Bc7 Deflection; 20.Bc6 Decoy)) 20.dc6 Qe8 21.Qe2 (21.Qh3 b6 22.Bc3 Rg6+-) 21...bc6 22.Bd3 Qe6 (22...Rfd6 23.Bb1 Qd7 24.Bb4+-) 23.Bc7 Rd7 24.Bg3 h5 (24...h6 25.e4 Rg6 26.e5+-) 25.Rb1 Rh6 (25...g5+-) 26.Rb8 (26.Rb8 Rd8 27.Rd8 Qe8 28.Re8) 1-0. jhonores (2225) - LaoTse43 (2210), Rated Blitz game, lichess.org, 2020.

7.e3 d6 8.Nf3 h6 9.Be2= Bg4 (9...d5 10.0-0=) 10.0-0 a6 (10...Re8 11.d3=) 11.Qa4 (11.d4 d5=) 11...Ne4 (11...Re8 12.d4 Qd7 13.Qb3=) 12.Qc2 (12.d3 Nc5 13.Qc2 Qd7=) 12...Re8 13.d3 Ng5 14.Nbd2 (better 14.Ng5!? Qg5 15.Bg4 Qg4 16.Nc3=) 14...Bd2-/+ 15.Qd2 Nf3 16.gf3 (16.Bf3!? Bf3 17.gf3-/+) 16...Bh3-+ 17.Rfe1?? (better 17.f4 Bf1 18.Qc3-/+) 17…Qg5 (17...Qg5 18.Kh1 Qg2) 0–1. Goldmund,Heike – Budnar,Milos, FICGS, 2015.

7.Nf3 d5 8.e3 Bg4 9.cd5 Nd5 10.Be2 Qe7 11.0-0 Rfd8 12.Qa4 Bh5 13.Rc1 Rab8 14.Kh1 Rd6 15.d3 Rbd8 16.Nc3 (16.Rc6!? Rc6 17.Qa5=) 16...Nc3 17.Bc3 Bc3 18.Rc3 Bf3 19.Bf3 Ne5 20.Qe4 (20.Qa7 A) 20...Rd3?! 21.Rd3 Nd3 22.Kg1= (22.Qb7?? Nf2 23.Kg1 Qe3-+; 22.Bb7 Nf2 23.Kg1 Ng4-/+); B) 20...Nd3?! 21.Rc2+=; C) 20...Qf6 21.Rcc1 Nf3 22.Qb7 Nh2-+; 20.Bb7 Nd3 21.Rc2 c5+=) 20...Rd3 21.Rd3 Rd3 22.Qb7 Nf3 23.gf3 g6 24.Rc1 Rd2 25.Qc7 (25.Rc7 Rd1 26.Kg2 Qg5 27.Kh3 Rg1 28.Qc8 Kg7 29.Rf7 Kf7 30.Qc4 Kg7 31.Qd4 Qf6 32.Qf6 Kf6-+) 25...Qc7 (25...Qa3?? 26.Qb8 Kg7 27.Qe5 Kg8 28.Rc8 Qf8 29.Qb8 Rd1 30.Kg2 Qc8 31.Qc8 Kg7 32.Qc7+–) 26.Rc7 Rf2 27.f4 Re2 28.Ra7 Re3 29.Kg2 Kg7 30.a4 Kf6 ½–½. poesimannen (2095) – tatichess (2050), gameknot.com, 2013.

7.Nf3 d6 8.e3 Bf5 9.Nc3 Ne4 10.Ne4= Be4 11.h4 f5 12.Qb3 f4 13.Ng5 Qe8 14.f3 Bg6 15.c5 Kh8 16.h5+/– fe3?? 17.Kd1 Bh5= 18.Qc2 Qg6 19.Qg6 Bg6 20.de3?? dc5-+ 21.Ne6 Rad8 22.Bd4? cd4 23.Nf8 de3 (< 23...Rf8 24.e4-+). Gross – Olbert, Seulberg–NW Frankfurt, 1979.

7.Nf3 d6 8.g3 Be6 9.Qc2 h6 10.Bg2 d5 11.cd5 Bd5 12.0-0 Re8 13.Re1 Bb6 14.Nc3 Qe7 (better is 14...Bf3!? 15.ef3 Ne5+=) 15.Nd5 (15.e4!? Bc4 16.d3+=) 15...Nd5+= 16.e4 Nf6 17.Nh4 Nd4 18.Qc4 Rad8 19.Bc3 (19.e5 Ng4 20.e6 fe6+=) 19...Nc2 (19...Ng4 20.h3 Ne5-/+) 20.e5?? (better is 20.Bf6 Qf6 21.Qc2 Bf2 22.Kh1 Be1 23.Re1+=) 20...Ne1 (20...Na1 21.Ra1 Nd7 22.d4-/+) 21.Re1-/+ Nh7 (21...Qe6 22.Qe6 Re6 (22...fe6? 23.ef6 c6 24.Bh3 gf6 25.Be6 Kg7 26.Re4+–) 23.Bb7 c6-/+) 22.Re4? (better is 22.Bb7!? Qc5 23.Qc5 Bc5 24.a4+=) 22...Qa3 23.d4 Qc1 24.Bf1? Ng5-+ 25.Rg4 Qc2 26.Bd3 Nh3 0–1. davidcrompton – fredric2, gameknot.com, 2013.

7.Nf3 Re8 8.e3 =+.

7.Nh3 d5-/+ 8.Nf4 (8.e3 d4 9.Qf3 Re8-/+) 8...dc4 9.g3 (9.e3 b5-/+) 9...Bf5-+ 10.Nc3 (10.Bh3 Bb1 11.Bf6 A) 11...gf6?! 12.Rb1 c3 A1) 13.Rb7? Qd2 14.Qd2 cd2 15.Kd1 Rfb8 16.Rb8 Rb8-+ (16...Nb8?! 17.Bg2 c6 18.Nd3=+); A2) 13.dc3=+; B) 11...Qf6 12.Qb1 c3-+) 10...Bc3 (better 10...Nd4 11.Rc1 Nb3-+) 11.Bc3 Ne4 12.Rc1 (12.e3 Nc3 13.dc3 Qf6-+) 12...Nc3 13.Rc3 Be4 (13...Ne5 14.Bg2 c6 15.e4-+) 14.Bg2? (better 14.f3!? Bd5 15.e4=+) 14...Bg2-/+ 15.Ng2 b5 16.h4 (16.Nf4 Qf6-+) 16...Qd5-+ 17.0-0 Rad8 18.d3 Ne5 (18...Qe5 19.Qd2-+) 19.Nf4 Qd4 20.Qc2 cd3 (20...c5 21.dc4 Nc4 22.a4-+) 21.Nd3 Nc4 22.a4 c6 23.Rb1 a6 24.Nb2 Nb2 25.Rb2 Qd1 (25...Rd6 26.Rd3 Qf6 27.ab5 Rd3 28.ed3 cb5 29.Rb4-+) 26.Kg2-/+ Qc2 (26...ba4?! 27.Qd1 Rd1 28.Rc6=) 27.Rbc2 Rfe8 (better 27...Rd4-/+) 28.a5= b4 (28...Ra8!?=) 29.Rc6+/- b3 (29...Re6 30.Rb6+=) 30.Rb2 Rb8 (30...Re6 31.Rb6+/-) 31.Ra6 f6? (better 31...Rb5+/-) 32.Rb6+- Ra8 33.a6 (33.R2b3?! Ra5 34.e3 Rea8+/-; 33.R6b3?! Ra5 34.Rb7 Rea8+-) 33...Ra7 (33...Kf7 34.R2b3 Re6 35.Re6 Ke6 36.Rb6 Ke5 37.Rb7 Ra6 38.Rg7+-) 34.R2b3 Re2 (34...Kf8+-) 35.Rb8 Kf7 36.R8b7 Re7 1-0. SpitFetish (2225) - capajan (2115), Rated Classical game, lichess.org, 2016.

6.Bb2 d5

7.cd5 Qd5 8.Nc3 0-0?? 9.Nd5+– Nd5 10.e4 (10.Qb3 Be6+–) 10...Nf4 (10...Re8 11.Qf3 Ne5 12.Qg3+–) 11.Nf3 (11.Qf3 Ng6+–) 11...Bg4 12.h3 (12.Qb3 Rad8 13.0-0-0 Bb6+–) 12...Bh5 (12...Rfe8 13.Qa4 Bd7 14.Bb5+–) 13.g4 (13.Qb3!? Rad8 14.0-0-0 Bf3 15.Qf3 Ne6+–) 13...Bg6 14.Nh4 (better 14.Qa4 Rad8 15.0-0-0 Rfe8+–) 14...Be4 15.f3 Bd5 (15...Nd3 16.Bd3 Bd3 17.Qb3 Rfe8 18.Kf2+–) 16.Qa4 (16.Kf2 Bb6 17.Kg3 Ne6+–) 16...Ne6 (16...Rfe8 17.Kf2 Bb6 18.Kg3 Ne2 19.Be2 Re2 20.Rh2+–) 17.Qb5 (17.Be2!? Rad8 18.Bc3 Rfe8+–) 17...Rad8 18.Bc4 (better 18.Rh2+–) 18...Bc4= 19.Qc4 Rd2 20.Bc3 (20.0-0 Rb2 21.Rab1 Bb6 22.Kh1 Rd2=) 20...Rc2=+ 21.Qd3?? (better 21.0-0 Bc3 22.Kh1=) 21...Rc3-+ (21...Bc3?! 22.Kf1 Ncd4 23.Rd1-/+) 22.0-0 (22.Qf5 Ned4 23.Qb1 Rc1 24.Kf2 Rb1 25.Rab1-+) 22...Rd3 23.Nf5 (23.Rfd1 Rfd8 24.Rd3 Rd3-+) 23...Rfd8 24.Kg2 g6 25.Nh6 Kg7 26.g5 Rd2 (26...Ng5 27.Ng4-+) 27.Kg3 Ng5 28.Ng4 R8d3 29.h4 Ne4 30.Kf4 Nd8 (30...Nd4 31.Nf2 Rf3 32.Ke4 f5 33.Kd5 c6 34.Kd6 Nb5 35.Ke5 Re2 36.Ne4 Re4) 31.Ke4 f5 (31...Rd4 32.Ke3 f5 33.Rfe1 f4) 32.Kf4-+ c6 33.Ne5 Bc7 34.Rfe1 (34.Ra2 Ne6 35.Kg3 Be5 36.Kh3 Ra2 37.Rf2 Rf2 38.h5 Rh2) 34...Rg2 35.Re3 (35.Rad1 Ne6) 35…Ne6 0–1. Goldmund,Heike – Ortiz,Clodomiro (2120), FICGS, 2015.

7.cd5 Qd5 8.Nc3 Qd6 9.e3 0-0 10.Nf3 Ne5 (10...Bg4 11.Be2=+) 11.Ne5= Qe5 12.Be2 (12.Qb3 Qd6=) 12...c6 13.0-0 Rd8 14.d4 Qg5 (14...Qd6 15.Qd3=+) 15.Bf3 (15.Rc1 Be6=) 15...Bc7=+ 16.Qe2 h5 (16...Ng4 17.g3=+) 17.Rac1 Bg4 18.Na4 (18.Rfd1 Bd6=) 18...Rd5 (18...Bf3 19.Qf3 Ng4 20.g3=) 19.Rc5 (19.Nc5 Rb8=) 19...Re8 20.Rd5 (20.Rfc1 Bf3 21.Qf3 Bd6 22.Rd5 Qd5 23.Qd5 Nd5=) 20...Nd5 21.Nc5 Nf4 22.ef4 (22.Qd1 Ng2 23.Bg4 Nf4 24.Nb7 hg4-+ (24...Qg4?! 25.Qg4 hg4 26.ef4=)) 22...Re2=+ Threatening mate... how? 23.fg5 Rb2 24.Be4 (24.Bg4 hg4 25.g6 fg6=+) 24...Bc8 25.Rd1 White intends d5 (25.g6 Rd2 26.Re1 Kf8 27.gf7 Kf7=+) 25...h4 (25...Ra2 26.a4=+) 26.d5 (26.g3 Ra2 27.a4 b6=+) 26...cd5 (26...Bg4 27.f3 Bb6 28.dc6 bc6 29.Kf1 Bf3 30.gf3 Bc5 31.Rd8 Bf8 32.Bc6=) 27.Bd5 (27.Rd5? b6 28.Na4 Rb3-+) 27...Rb5 28.Ne4 Kf8 (28...Bf5 29.Nc3 Rc5 30.Ne2-/+) 29.a4 (29.g6 fg6 30.f3 Rb2-/+) 29...Rb4 30.h3 Bf5 31.Nc5 Bf4 32.Nb7 g6 (32...Bc2 33.Re1=+) 33.Ra1 (33.a5 Bc2 34.Re1 Bg5=+) 33...Rd4 34.Bb3 Bg5 (34...Bg5 35.a5 Rd2=+) 0-1. unrulyqueen (2355) - shahovski (2155), gameknot.com, 2020.

7.cd5 Qd5 8.Nc3 Qf5 9.e3 0-0 10.Nf3 Ne5 (10...a6 11.d4=+) 11.Ne5= Qe5 12.Be2 c6 13.0-0 Rd8 14.d4 Qg5 (14...Qd6 15.Qd3=+) 15.Rc1= Bc7 16.f4 Qh6 17.Qd3 Re8 18.Nb5 Bb8 19.Nc3 g5 (19...Bd6 20.d5 Nd5 21.Nd5 cd5 22.Qd5 Re3 23.Bc4=) 20.d5 (20.Bf3!?=) 20...gf4=+ 21.ef4 (21.d6 Rd8 A) 22.Rf4? Rd6 (22...Bd6?! 23.Qd4 Nd7 24.Rg4 Kf8 25.Rh4=) 23.Qc4 Re6-+; B) 22.Ne4 Ne4 23.Qe4 Bd6 24.ef4=+) 21...Bd7 (better 21...Bf4 22.Rf4 Qf4-/+) 22.Qg3 Kf8 (22...Qg6 23.dc6 Qg3 24.hg3 Bc6 25.Rfd1=) 23.Kh1 (better 23.Bc4!?+=) 23...cd5 24.Rcd1 Bc6 25.Bd3 a6 26.Ne2 Ne4 27.Qg4 Ba4 28.Rc1 Bb5 (28...Ba7 29.Bc3 Bc5 30.Ba5 Ba3 31.Ra1=+) 29.Bb5= ab5 30.Rcd1 (30.Nc3 Nc3 31.Bc3 Bd6=) 30...Ba7 (30...b4 31.Rd3-/+) 31.Qf3= Rac8 32.Nc3 Rc4 (32...b4 33.Nd5 (worse 33.ab4 Nc3 34.Bc3 Re3 35.Qd5 Rec3-/+) 33...Rc2 34.Be5=) 33.Nd5 Rc2 34.Be5 f5 35.Nc3 (35.Nc7!? Rc8 36.Nb5=) 35...Rf2= 36.Qd3 Qg6 The mate threat is Qxg2 37.Rg1 (37.Qh3!? Rf1 38.Rf1 Nf2 39.Rf2 Bf2 40.Qd3=) 37...Rf4!?-/+ Do you see the mate threat? 38.Ne4 (38.Bf4 Nf2 A double attack) 38...Re5 (worse 38...Re4 39.Bd6 Kg7 40.Rgf1=; 38...Bg1? 39.Bd6 Kg8 40.Qd5 Qe6 41.Nf6 Kf7 42.Bf4 (42.Rg1 Qd5 43.Nd5 Rd4=+; 42.Kg1?! Qd5 43.Nd5 Rc4+/-; 42.Ne8?! Qd5 43.Rd5 Rf1+=) 42...Qd5 43.Nd5+- (43.Rd5?! Re1 44.g4 Kf6 45.Rf5 Ke6+/-)) 39.Qd8 Re8 40.Qd6 Qd6 41.Nd6 Bg1 42.Ne8 Bb6 (42...Bh2!? 43.Kh2 Ke8-/+) 43.Nd6=+ Rd4 (43...Rf2 44.g3=) 44.Rd4= Bd4 45.Nb5 Be5 46.a4 Kf7 47.Kg1 (47.g3 Ke6=) 47...Ke6=+ 48.Kf2 (48.Na3 Kd5=+) 48...Kd5-/+ (worse 48...Bh2 49.Nd4 Kd5 50.Nf5=) 49.h3 Kc4 50.Ke3 (50.Kf3 Kb4-+) 50...Kb3 51.Kd3 Kb4 52.Na7 Ka4 53.Kc4 Bb8 54.Nb5 Be5 (54...f4 55.Kc5-/+) 55.Kc5 (55.Na7 h5 56.Kc5-/+) 55...Bf4 (55...Ka5 56.Na3 Bg3 57.Nc4 Ka6 58.Kb4-/+) 56.Nc3 Ka5 57.Nb5 (57.h4 Be3 58.Kc4 b6-/+) 57...Bg3 58.Kc4 Be5 59.Kc5 Bg3 (59...f4 60.Na3 Bf6 61.Nb5-/+) 60.Kc4 Kb6 61.Nd4 f4 62.Ne6 Kc6 (62...Ka5 63.Nd4-/+) 63.Nd8 Kb6 (63...Kc7 64.Ne6 Kd6 65.Nd8-/+) 64.Ne6 Ka5 65.Nd4 Bf2 66.Ne6 b5 67.Kb3 Be3 (67...Bg3 68.Nd4-/+) 68.h4 h6 69.h5 Kb6 70.Kb4 Bd2 71.Kb3 Be3 (71...Kc6 72.Nd4 Kc5 73.Nf5=+) 72.Ng7 (72.Kb4 Kc6=+) 72...Kc6 (72...Bc5 73.Nf5 Bf8 74.Nd4-/+) 73.Nf5=+ Kc5 (73...Kc5 74.Kc3 b4 75.Kd3 Kb5=+) 0-1. unrulyqueen (2350) - stgo (2405), gameknot.com, 2020.

7.cd5 Qd5 8.Bf6 gf6 =.

7.e3 d4 8.Nf3 Bb6 9.Qc2 Qd6 10.Qd3 Be6 11.Nd4 Nd4 12.Bd4 Bd4 13.Qd4 Qd4 14.ed4 c6 15.d3 0-0-0 16.Nd2 Rhe8 17.0-0-0 Ng4 18.Ne4 Rd4 19.Re1 f5 20.Nc5 Nf2 Exerts pressure on the backward pawn 21.Rg1 Bf7 22.Re8 Be8 23.Be2 b6 24.Rf1 bc5 25.Rf2 g6 26.Kd2 Kc7 27.Bf3 Kd6 28.Be2 Bd7 29.Rf1 f4 30.Rb1 Kc7 31.Re1 h6 32.Kc3 h5 33.h3 (33.Bf3 Kd6+=) 33...Bf5-/+ 34.Bf1 Rd7 35.Re8 Rd6 36.Re7 Rd7 37.Re8 a6 38.Kd2 Rd4 39.Re5 Kb6 40.Re8 Rd7 41.Re5 a5 42.Re8 Ka7 43.Re5 Rb7 44.Kc2 Kb6 45.Re8 a4 46.Ra8 Re7 47.Kd2 (47.Ra4?? Re1 48.Kd2 Rf1-+) 47...Re3 48.Ra4 Re8 (48...Rg3 49.Ra8+=) 49.Be2 h4 50.Bf3 (50.Bf1 Rd8+=) 50...Rd8 (50...Re3!? 51.Ra8 Rd3 52.Ke2 Rc3-/+) 51.Be2+= Be4 52.Bf1 f3 53.gf3 Bf3 54.d4 cd4 55.Rb4 Kc5 56.Ra4 Rb8 57.Ra5 Kd6 58.Bd3 Rb2 59.Ke1 Rg2 60.Ra7 Rg3 61.Bf1 Be4 Black plans d3 62.a4 Re3 63.Kf2 Rf3 64.Ke1 d3 0–1. poesimannen (2100) – aleksa011 (2140), gameknot.com, 2013.

6.Bb2 d6

7.Nc3 Bc3 8.Bc3 Be6 9.e3 0-0 10.Nf3 Re8 11.Bd3 Bg4 12.h3 Bf3 13.Qf3 Ne5 14.Be5 de5 (worse is 14...Re5 15.Qb7 Ra5 16.Qb4+/–) 15.Qe2 e4 16.Bc2 c6 17.0-0 Qc7 18.d3 ed3 19.Bd3 Rad8 20.Bf5 Qe5 21.Bc2 Qc3 22.Rfc1 Qa5 23.Rd1 Rd1 24.Qd1 Rd8 25.Qe2 (25.Qe1 Qc5=) 25...Rd2 26.Bh7?? (better is 26.Qe1 Qe5 27.Bf5=) 26...Kh7-+ 27.Qf3 Qe5 28.Rb1 Rd7 29.g4 (29.Rd1 Qe6-+) 29...Qe4 30.Qe4 Ne4 31.f3 (31.Kg2 b6-+) 31...Nd2 32.Rc1 Nf3 33.Kf2 Ne5 34.Kg3 Rd3 35.Kf4 Ng6 (35...f6 36.Rb1-+) 36.Ke4 Ra3 37.Kd4 b6 38.Rh1 (38.Ke4 a5-+) 38...c5 39.Ke4 Rc3 40.Kd5 (40.Ra1 a5-+) 40...Re3 41.h4 (41.Rf1 Rd3 42.Kc6 Ne5 43.Kb7 Ra3-+) 41...Ne7 (41...Re6 42.Re1 Nf4) 42.Kd6-+ f5 43.gf5 Nf5 44.Kc6 Re4 0–1. mekkelmania (1605) – vlladimir (1625), gameknot.com, 2014.

7.Nc3 Be6 8.e3 0-0 9.Nf3 Ne5 10.Ne5 de5 11.Be2 c6 12.0-0 Qe7 13.a4 Rad8 14.Qc2 Rd7 15.d3 Rfd8 16.Ba3 Qe8 17.Rab1 Bf5 18.Rfd1 Qe6 19.Na2 g5 (19...Ng4 20.Bb4 Bb4 21.Nb4+=) 20.Bb4 Bc7 21.e4 Bg6 (21...Bg4!?=) 22.Bd2+= h6 23.Rb7 Bb6 24.Rd7 Rd7 25.Nc1 Bd4 26.Nb3 c5 27.Nd4 ed4 28.Rb1 Qc6 (28...Re7 29.f4 gf4 30.a5+–) 29.h4! gh4 30.Bh6 Rb7 31.Rb7 Qb7 32.Bg5 Nd7 33.Bh4 Ne5 (33...Qb4 34.f4+–) 34.f4 Nc6 (34...Nd7+–) 35.f5 Bh7 36.Qc1 f6 37.Bf6 Kf7 38.Qh6 (38.Qh6 Ke8 39.Bh5 Kd7 40.Qh7 Kc8 41.Qb7 Kb7 42.g4+–) 1–0. poesimannen (1965) – velunia8 (1725), gameknot.com, 2013.

6.Bc3 0-0

7.Ba5 Na5 8.Qc2 Nc6 (8...d6 9.e3=+) 9.e3 d5 10.Nf3 d4 11.Be2 Re8 12.h3 g6 (12...Ne4 13.0-0=+) 13.Bd3 de3 (13...Nh5 14.0-0 Qf6 15.Ra2 Bh3 16.Be4-/+) 14.fe3 (14.de3 Bd7=) 14...Ne5 (14...Nd4! 15.Nd4 Qd4=+) 15.Ne5= Re5 16.Nc3 (16.0-0 Rg5 17.Rf3 Nd7+=) 16...c6 (better 16...Rg5 17.Be4 Ne4 18.Ne4 Re5=) 17.Ne4?? (better 17.0-0+=) 17...Ne4-+ 18.Be4 Qh4 19.g3 Qe4 20.Qe4 Re4 21.Rc1 Be6 22.c5 Re8 (22...Ra4!? 23.Ra1-+) 23.Kf2 h5 24.Rc3 Bd5 25.Rhc1 (25.Rb1 R4e7-+) 25...h4 26.g4 f5 27.g5 f4 28.Ke2 fe3 (28...Rf8 29.Rb1 Rf7 30.Rb4-+) 29.de3 (29.Re3 R8e5 30.Rb1 Bc4 31.Kf3 Re3 32.de3 Rf5 33.Kg4 Be6 (worse 33...Rc5 34.Rb7 Be6 35.Kh4-+) 34.Kh4 Rf3 (worse 34...Rc5 35.Rb7 Re5 36.Kg3-+) 35.Rh1 Re3 36.a4 b6 37.cb6 ab6 38.Rh2 c5 39.Rh1 c4 40.Rh2 c3 41.a5 c2 42.ab6 c1Q 43.Rb2 Rh3) 29...b5 30.cb6 ab6 31.Kd2 (31.Rb1 b5-+) 31...b5 32.Rb1 (32.Rf1 R8e5 33.Rh1 Rg5-+) 32...Ra4 (32...Rf8 33.Rh1-+) 33.Rb2 (33.Ke2 Re5 34.Rg1 Rf4-+) 33...Rea8 (33...Re5 34.Rb4 Rb4 35.ab4 Rg5 36.Rd3-+) 34.Rb4 Ra3 (34...Rb4!? 35.ab4 Ra4 36.Rc1 Rb4 37.Rf1-+) 35.Rh4 Rc3 36.Kc3 Ra3 37.Kd2 Ra4 (37...Ra2 38.Kc3-+) 38.Rd4 (38.Ra4 ba4 39.Kc3 a3-+) 38...Rd4 39.ed4 Kf7 (39...Kf7 40.Kc3 Ke6-+) 0-1. petrobbo (2030) - Dempsey_ (2500), ChessWorld.net, 2016.

7.Nf3 Bc3 8.Nc3 =.

5.c4 d6

6.Bb2 Be6 7.e3 Nbd7 8.Nf3 Nb6 9.Qc2 Bd7 (9...c6 10.Ng5=) 10.Nc3 0-0 11.Be2 Re8 12.0-0 Bc3 13.Bc3 Ne4 14.Bd3 (14.Bb2 Na4=) 14...Nc3 15.Qc3 Bg4 16.Be2 c5 17.a4 d5 18.cd5 Qd5 19.a5 Nd7 20.Ra4 (20.h3 Bh5=) 20...Ne5 21.Ne5? (better is 21.Rf4=) 21...Be2-+ 22.Re1? Bb5 23.Ra3 Qe5 24.Rb1 Bc6 25.d4 Qe4 26.f3 Qb1 (26...Qb1 27.Kf2 cd4 28.Qd4 Qc2 29.Kg3 Red8-+) 0–1. wlittle (2165) – sbwiik (2410), net–chess.com, 2004.

6.Bc3 c5 7.Nf3 0-0 8.e3 =.

6.Bb2 0-0

7.Nc3 Bf5 8.d3 (better is 8.Nf3!?+=) 8...Nc6 9.Nf3 Re8 10.e3 h6 (better is 10...Rb8 11.Qb3 a6-+) 11.Be2= Qd7 12.0-0 Rad8 (12...Ne5 13.e4 Bh7 14.Nd5 Nf3 15.Bf3 Nd5 16.cd5=) 13.Nb5 (13.Nd5 Ng4+=) 13...Bb6 (13...d5!?=) 14.Bf6+= gf6 15.Rc1 Ne5 16.e4 (16.Nc3 Kg7+=) 16...Bg6= 17.Qd2 Kg7 18.a4 a6 19.Nc3 Nf3 20.Bf3 c6 21.h3 h5 22.h4 Qe6 23.Rb1 Bd4? (better is 23...Ba5!?+=) 24.Rb7 (24.Ne2 c5+–) 24...Re7 (24...Rb8 25.Rfb1 Rb7 26.Rb7+–) 25.Rb3 Red7 26.Ne2 Ba7 27.Rfb1 f5? 28.Nf4 Qe5 29.ef5 Qf5 30.g3 d5 31.Rb7 dc4 32.Bc6?? Rb7?? 33.Rb7+– Bb8 34.Be4?? Qe4?? 35.Qb2?? Qd4?? 36.Qd4 Rd4 37.Ne6 Kf6 38.Nd4 Be5 39.Rb6 Kg7 40.Nf3 Bc3 41.dc4 Be4 42.Ng5 Bc2 43.Ra6 Bb3 44.c5 Bc4 45.Ra7 Kg6 46.c6 (46.c6 Be5 47.c7 Bc7 48.Rc7+–) 1–0. Baer,Cy (1895) – Zornack,Andre (1985), RSS5E NoEngine–14, 2007.

7.e3 Nc6 8.Nf3 Bg4 9.Be2 Re8 10.0-0 Ne5 (10...d5!?=) 11.Ne5+= Be2 12.Qe2 (better 12.Nf7!? Bd1 13.Nd8=) 12...de5= (worse 12...Re5 13.Be5 de5 14.Rd1+–) 13.d3 (13.Rd1 c5=) 13...c5 (13...Qd6 14.Rd1=) 14.Nd2 (14.Rd1 a6=) 14...Bc7 (14...Qd6 15.Rfd1=) 15.Nf3 (15.Rad1 Bd6=) 15...e4 (15...Qd7 16.Rab1=) 16.de4 Ne4 17.Rfd1 Qe7 18.Rd5 Rad8 19.Rad1 (better 19.Rd8 Rd8 20.Rd1=) 19...Nf6 (19...Rd5!? 20.Rd5 b6=) 20.Bf6+= Qf6 21.Rc5 Rd1 22.Qd1 Rd8 (22...Bb6 23.Rd5+–) 23.Qb1 (23.Rd5 Rd5 24.cd5 Qc3+–) 23...Bb6 (23...b6 24.Rd5+= (worse 24.Rc7 Qd6 25.h3 Qc7-/+)) 24.Rd5 Rd5 (24...Qc3 25.Qd1 Rc8 26.Ne5+=) 25.cd5+– g6 (25...Bc5 26.a4+–) 26.e4 (26.a4 Qe7+–) 26...Qf4 (26...Qc3 27.a4+–) 27.Qc2 Qf6 (better 27...Bc7+–) 28.Kf1 (better 28.e5 Qf4 29.h3+–) 28...Qa1+= 29.Ke2 Qa3 30.Ne5 (30.e5+=) 30...Qd6 (30...Bd4 31.Ng4 h5 32.Ne3=) 31.Qc3 (31.Qc8 Bd8 32.Nd7 Qa6 33.Ke3 Qa3 34.Kf4 Qd6 35.e5 Qb4 36.Kg3 Qa3 37.f3 Qe7+–) 31...Bc7 (31...Qf6 32.f3=) 32.Nf3 (32.Ng4 Qa6 33.Ke3 Bd8+–) 32...Qf4 (32...Qa6 33.Ke3 Bb6 34.Nd4=) 33.Qd3 (33.e5 Bb6 34.Kf1 Qa4+=) 33...Qc1 (33...a5 34.g3 Qg4 35.Kf1=) 34.d6 Bd8 (34...Bb6 35.d7 Qb2 36.Nd2+=) 35.g3 (35.Qd5 Qb2 36.Nd2 a5=) 35...Qb2 (35...a6 36.Qd5 Qb2 37.Kf1+=) 36.Nd2 (36.Kf1 a5+=) 36...Qe5 (36...a5 37.Qb1 Qf6 38.Qb7 Qd6 39.Nc4=) 37.Nc4 (37.f4 Qc5+=) 37...Qc5 (37...Qe6 38.Ne3=) 38.d7 (38.Ne3 Qh5 39.Ke1 Ba5 40.Kf1 Qh2+=) 38...Kf8 (38...Qh5 39.Ke3=) 39.Nd6 (39.Kf1 Ke7=) 39...Qc6 40.Nc8 a6 (40...a5 41.h4+=) 41.Qd6 (41.f4 Kg8+=) 41...Qd6= 42.Nd6 Ke7 43.Nb7 Kd7 44.Nc5 Kc6 45.Na6?? (better 45.Nd3=) 45...Be7-+ 46.Kd3 (46.g4 h6-+) 46...Kb7 47.f4 Ka6 48.Kc4 Kb6 49.f5 (49.Kd5 Bb4-+) 49...Kc6 50.g4 (50.Kd4 Ba3-+) 50...Kd6 51.Kd4 Bf6 52.Kd3 Ke5 53.h3 (53.Ke3-+) 53...Bg5 54.Kc4 (54.fg6 hg6 55.Ke2 Ke4-+) 54...Ke4 55.fg6 hg6 56.Kc5 (56.Kc3 Kf4 57.Kd4 Bf6 58.Kd5 Kg3-+) 56...Kf3 (better 56...f5 57.gf5 gf5 58.Kc4-+) 57.Kd6 Kg3 58.Kd7 (58.Kc5-+) 58...Kh3 (better 58...f5 59.gf5 gf5 60.Ke6-+) 59.Ke8 (59.Kd6 f5 60.gf5 gf5-+) 59...f5 60.gf5 gf5 (60...gf5 61.Kd7 f4 62.Ke6 f3 63.Kf5 Bc1 64.Ke4 f2 65.Kd5 f1Q 66.Ke6 Qc4 67.Kd7 Qd5 68.Kc7 Bf4 69.Kb6 Qc4 70.Kb7 Qb5 71.Ka7 Be3 72.Ka8 Qa6 73.Kb8 Bf4) 0–1. Goldmund,Heike – Piantadosi,Angelo, FICGS, 2015.

7.e3 Re8 8.Nf3 Bg4 9.Be2 Nc6 10.0-0 d5 11.cd5 Nd5 12.d4 Bb6 13.Qc2 Bh5 14.Nbd2 Bg6 15.Bd3 Ncb4 16.ab4 Nb4 17.Qb3 (better 17.Bg6!? Nc2 18.Bc2=) 17...Nd3-/+ 18.Ba3 c5 (18...a5 19.Nc4 a4 20.Qc3-/+) 19.e4=+ Nf4 20.dc5 Bc7 (20...Ba5 21.Bb4 Bb4 22.Qb4=+) 21.Rfd1 (21.Qb7 Ne2 22.Kh1 Nc3=) 21...Qd3 e4 draws heavy fire 22.g3?? (better 22.Qb7 Ne2 23.Kh1=+) 22...Ne2 23.Kg2 Be4 24.Qd3 Bd3 25.Bb2 a6 26.Ra3 Rad8 27.Ne1? (27.Nd4 Bg6 28.Re3 Nd4 29.Re8 Re8 30.Bd4 Bc2-/+) 27...Bg6 (27...Bb5 28.Nef3 Rd5 29.Re3 Re3 30.fe3 Rc5 31.Bd4-+) 28.Re3? (28.Nef3-+) 28...Re3 29.fe3 Ba5 30.Nef3 Be4! 31.Kf2 (31.Ne4 Rd1 Pinning (31...Rd1 Deflection)) 31...Bf3 32.Kf3 (32.Nf3 Rd1 33.Ke2 Rb1-+) 32...Nc3 (better 32...Rd2 33.Rd2 Ng1 34.Kf2 Bd2 35.c6 bc6 36.Kg1 Be3 37.Kf1-+) 33.Bc3 Bc3 34.Ke2 Rd2 35.Rd2 Bd2 36.Kd2 Kf8 37.Kc3 Ke8 38.Kb4 Kd7 39.Kc4 Kc6 40.e4 (40.g4 g5 41.e4 a5-+) 40...a5 41.g4 f6 42.h4 g6 43.g5 fg5 44.hg5 a4 45.e5 a3 46.e6 (46.Kb3 Kc5 47.Ka3 Kd5-+) 46...a2 47.e7 Kd7 48.c6 bc6 49.Kc5 Ke7 50.Kc6 Ke6 51.Kc5 Kf5 52.Kd5 Kg5 53.Ke6 Kf4 54.Kf7 a1Q 55.Kg8 (55.Ke7 Qd4 56.Kf7 Ke5 57.Kg7 Kf5 58.Kf7 Qd7 59.Kf8 Kf6 60.Kg8 Qg7) 55...Qc3 (55...Qa7 56.Kf8 Ke5 57.Ke8 Ke6 58.Kd8 Qd7) 56.Kh7 (56.Kf7 Ke5 57.Kg7 Ke6 58.Kg8 Kf6 59.Kh7 Qc7 60.Kh6 Qh2) 56...Qd3 (56...Kf5 57.Kg8 Qc7 58.Kf8 Kf6 59.Ke8 Qe7) 57.Kg8 (57.Kh8 Qd7 58.Kg8 Ke5 59.Kf8 Kf6 60.Kg8 Qg7) 57...Qe3 (57...Qd7 58.Kf8 Ke5 59.Kg8 Kf6 60.Kf8 Qf7) 58.Kf7 Qe2 (58...Qe2 59.Kf8 Kf5 60.Kf7 Qc4 61.Kg7 Qc7 62.Kh6 g5 63.Kh5 Qh2; 58...Kf5 59.Kf8 Kf6 60.Kg8 Qe7 61.Kh8 Qg7) 0-1. jhonores (2220) - DeltaPQR (2180), Rated Blitz game, lichess.org, 2020.

7.e3 Bf5 8.Nf3 Nc6 9.Be2 Re8 10.0-0 d5 11.cd5 Nd5 12.Qb3 Bb6 13.Nc3 Nc3 (13...Be6 14.Nd5 Qd5 15.Qc3=) 14.Bc3 (14.Qc3 f6+=) 14...Bd3= 15.Bd3 Qd3 16.Ng5 (16.Qb2 f6=) 16...Qf5 (16...Ne5 17.Nh3=) 17.h4 (17.Nf3 Rad8=) 17...h6 18.Nf3 Qe6 (18...Rad8 19.d4=) 19.Qb2 (19.Qe6 Re6 20.Rab1 Rd8=) 19...f6 (19...Qg4 20.d3=) 20.Rad1 Rad8 21.d4 Qe7 22.Qb3 Kh8 23.d5 Ne5 24.Ne5 fe5 25.g3 (25.Qb4 Qf6=) 25...Qf7=+ 26.a4 a6 (better 26...c6!? 27.a5 Bc5=+) 27.a5+= Bc5 28.Qb7 Rd6 29.Rd2 Rf6 30.Re1 (30.Rc1 Ba3 31.Rcc2 Kg8+–) 30...Rf8 31.Ree2 (31.Be5? Rf2 32.Qb2 Be3 33.Bg7 Qg7 34.Qg7 Kg7-+) 31…Rf2 (31...Rf2 32.Rf2 Be3+–) 0–1. Hilbert,Stephan J – Piantadosi,Angelo, FICGS, 2016.

7.e3 Bf5 8.Nf3 Nbd7 9.Be2 c6 10.0-0 h6 11.d4 Re8 12.Nbd2 Bc7 13.h3 d5 14.Qb3 Rb8 15.Rac1 Ne4 (15...Qe7 16.Rfe1=) 16.Rfd1 (16.cd5 Nd2 17.Nd2 Nb6 18.dc6 bc6+=) 16...Qf6 (better 16...Nb6!?=) 17.cd5+/- Nd2 18.Rd2 Be4 19.dc6 bc6 20.Qc3 Nb6 21.Rdd1?? (better 21.Qc5 Bd6 22.Qa5+/-) 21...Na4-+ 22.Qe1 Nb2 (22...Rb2?! 23.Nd2-+) 23.Ne5 (23.Rd2 Ba5-+) 23...Nd1 24.Nd7 (24.Qd1 Be5 25.de5 Qe5-+) 24…Qd6 (24...Qd6 25.Ne5 Nb2-+) 0-1. jhonores (2175) - Orquiza (2225), Rated Blitz game, lichess.org, 2020.

7.e3 Bg4 8.Nf3 Nc6 9.Be2 Qd7 (9...d5 10.cd5 Nd5 11.0-0=) 10.0-0 (10.Bf6 gf6 11.0-0 Rfe8+–) 10...Ne4 (10...Qe6 11.h3 Bf3 12.Bf3=) 11.d3 Nc5 12.Nc3 (12.d4 Ne4=) 12...Rae8 (12...Rfe8 13.Nd5=) 13.h3 (13.Nd5 a6=) 13...Bh5 (13...Bf3 14.Bf3 Ne5 15.Be2=) 14.Qc2 (14.Nd5 f6=) 14...Bg6 (14...a6 15.Nd5=) 15.Nh4+= f5 (15...Bf5!?+=) 16.Ng6 hg6 17.Nd5 (17.Rfb1 f4 18.Bg4 Qf7+–) 17...Ne7 18.Nb4 (18.Rab1 c6 19.Nc3 Qe6+–) 18...Nc6 (18...Na4 19.Bc1+–) 19.Qc3 1–0. Goldmund,Heike – Benone,Mateia, FICGS, 2015.

7.Nf3 Bg4 8.Qb3 Bb6 9.d4 Nc6 10.Nbd2 Re8 (10...Bf3 11.Nf3 Ne4 12.e3=+) 11.h3 (11.e3 d5=) 11...Bf3=+ 12.Nf3 Ne4 13.e3 a6 (13...Qf6!? 14.Ra2 Ba5 15.Ke2 Rab8=+) 14.Bd3= Na5 (14...Ba5 15.Ke2=) 15.Qc2+= f5 (15...d5 16.c5 Ba7 17.0-0+=) 16.g4+/– g6 (16...Qd7!?+/–) 17.gf5+– gf5 18.d5 Kf8 19.Rg1 (19.Be4 Re4 20.Qc3 Qe7+–) 19...c6? (better is 19...Nf2 20.Kf2 Be3 21.Kg2 Bg1+–) 20.Be4 fe4 21.Qc3 Re5 22.Ne5 de5 23.Qe5 Nc4 (23...Qg5 24.Rg5 Bd4 25.Rf5 Kg8 26.Qg3 Kh8 27.Bd4) 24.Qg7 Ke8+– 25.Qb7 Qd5 26.Qa8 Kd7 27.Rg7 Kd6 28.Qf8 (28.Qf8 Ke6 29.Qf6) 1–0. jammboy – Salvatore, ChessWorld.net, 2006.

5.e3 0-0

(---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.a3 Ba5).

6.Bb2 Nc6 7.Nf3 Re8 8.c4 d5 9.cd5 Nd5 10.Be2 Re3 11.fe3 Ne3 12.Qb3 Ng2 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Re3 11.fe3 Ne3 12.Qb3 Ng2).

6.Bb2 d5 7.Nf3 c5 8.Be2 Nc6 9.0-0 Re8 10.d3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.d3).

6.Nf3 c5 7.c4 Nc6 8.Bb2 d5 9.cd5 Nd5 10.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.a3 Ba5 9.Be2 Nc6 10.Bb2).

6.Nf3 Nc6 7.Bb2 Re8 8.c4 d5 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

6.Nf3 d6 7.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3 d6 5.Bb2 0-0 6.a3 Ba5 7.e3).

6.c4 Re8

6.Nf3 d5

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.a3 Ba5).

7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.Nf3).

6.Nf3 Re8

7.Bb2 d5 8.Be2 c5 9.0-0 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

5.e3 c5

6.Bb2 Nc6 7.Nf3 0-0 8.c4 d5 9.Nc3 d4-/+ 10.ed4? (better 10.Ne2-/+) 10...cd4 11.Ne2 d3 12.Nc3 (12.Rb1-+) 12...Re8 (better 12...Bc3 13.dc3 Re8 14.Kd2 Ne4 15.Kc1 Nf2 16.Qd2 Nh1 17.Bd3-+) 13.Be2 (13.Ne2 Ne4 (13...Re2?! 14.Be2 Bg4 15.Bf6 de2 16.Bd8 ed1Q 17.Rd1 Rd8 18.0-0-+) 14.Ra2 Qb6-+) 13...de2 (better 13...Bc3 14.Bc3 Re2 15.Qe2 de2 16.Ke2 Ne4-+) 14.Ne2 Bg4 15.0-0 (15.Kf1 Ne4 16.d3 Bf3 17.de4 Be4-+) 15...Bf3 (15...Ne4 16.d4 Nd2 17.Nd2 Be2 18.Qc2 Bf1 19.Nf1 Nd4 20.Bd4 Qd4 21.Rd1-+) 16.gf3 Bc7 (16...Nh5 17.Kh1-+) 17.Ng3 Nh5! 18.Nh5 Qh4 (18...Bh2 19.Kh2 Qh4 20.Kg2 Qh5 21.Rh1 Qg6 22.Kf1 Qd3 23.Kg2 Qc4 24.Qb1-+) 19.Ng3 Re6 (19...Qc4 20.Re1-/+) 20.Kg2 (20.Bg7!? Qc4 21.Rc1=+) 20...Rh6 21.Rh1 Ne5 22.Qe2 Re6 23.Qe4 Nf3?? (better 23...Qe4 24.Ne4 Rg6 25.Ng3 Nc4-/+) 24.Qf3 Rae8 25.Rhg1 (25.Bg7!? Qc4 26.d4 Bf4+-) 25...Rh6 (better 25...Bg3 26.hg3 Qc4+-) 26.Rh1 (26.Kf1 Rg6 27.Rc1 Qh2 28.Qb7 Bg3 29.Rg3 Rg3 30.fg3 Qd2+/-) 26...Qh3?? (26...Rhe6 27.Bg7 Qc4+-) 27.Kg1+- Bb6 (27...Rc6 28.d3 Be5 29.Re1+-) 28.Rf1 (28.Qf5 Qf5 29.Nf5 Rc6+-) 28...Rg6 (28...Rd6 29.Bc3+-) 29.Qc3 (better 29.Qb7!? h5+-) 29...h5 30.Qf3 (30.c5!? Bc7+-) 30...h4+/- 31.Qg2?? (better 31.d4 Qc8 32.c5+/-) 31...Qd7 (better 31...hg3 32.hg3 Qg3 33.Qg3 Rg3 34.Kh2 Rb3-/+) 32.Qh3?? (better 32.d4 Bd4 33.Bd4 hg3 34.hg3 Qd4 35.Rh3=) 32...Qh3 (32...hg3 33.hg3 (33.Qd7?? gf2) 33...Qh3 34.Rh3=) 33.Bc3 (33.Bd4 hg3 34.fg3 Bd4 35.Rf2 Re1) 33...Qg4 (33...hg3 34.hg3 Qg3) 34.Bb4 (34.Bd4 Qf3 35.h3 Rg3 36.fg3 Qg3) 34...Qf3 35.Bc3 (35.d4 h3 36.Re1 Qg2) 35…h3 (35...h3 36.Bg7 Qg2) 0-1. brucepeng (1915) - Poker_noob (2085), lichess.org, 2020.

6.Bb2 d5 7.Nf3 Nc6 8.Be2 0-0 9.0-0 Re8 10.d3 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.d3).

6.c4 Nc6 7.Bb2 0-0 8.Nf3 d5 9.cd5 Nd5 10.Be2 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.a3 Ba5 9.Be2 Nc6 10.Bb2).

6.Qf3 Nc6 7.Bf6 gf6 8.Bc4 Ne5 9.Qe4 Qe7 10.Bb3 Bc7 11.Ne2 d6 12.Nbc3 f5 13.Ba4 (13.Qf4 Ng6 14.Qh6 Be6+/–) 13...Kf8 (13...Kd8!? 14.Qd5 Rb8=) 14.Qf4+/– Be6 15.Qh6 (15.d4 cd4 16.ed4 Ng4+/–) 15...Kg8 16.Nf4 Ng4 17.Qh3 Nf6 (17...Ba5 18.Nce2+/– (18.Ne6?! Bc3 19.dc3 fe6=)) 18.Qf3 Rb8 19.h4 (19.Rb1 Ba5+/–) 19...h5 (19...Ba5 20.Rb1+=) 20.Rh3 (20.Rb1 Ba5+/–) 20...Ba5 21.Rg3 Kf8 22.0-0-0 (better is 22.Rg5!?+=) 22...Bc3=+ 23.dc3 Ne4 24.Rg6 b5?? (better is 24...Bd7 25.Bd7 Qd7-/+) 25.Re6+/– fe6? 26.Ng6+– Kf7 27.Ne7 Ke7 28.Bb3 Nc3 29.Rd3 Ne4 30.c4 bc4 31.Bc4 Rb7 32.Rb3 Rc7 33.Ba6 c4 34.Rb7 (34.Rb7 Rb7 35.Bb7+–) 1–0. Gross,Wilhelm – Merten,Rainer, xv/15, 1987.

6.Nf3 Nc6 7.Bb2 0-0 8.Be2 d5 9.0-0 Be6 10.d3 Qd7 (10...d4 11.c3 de3 12.fe3=+) 11.Ne5 (11.Bf6!? gf6 12.c4=) 11...Ne5=+ 12.Be5 Bc7 (12...Ng4 13.Bf4=+) 13.Bc7 (13.Bf6 gf6 14.d4 cd4 15.ed4 Rac8=) 13...Qc7=+ 14.Nd2 b6 15.Nf3 Rfe8 16.a4 Rad8 17.Qd2 Bg4 18.h3 Bh5 19.Rfb1 Ne4 20.Qe1 Nd6 21.Qf1 h6 22.c4 dc4 23.dc4 Ne4 24.Rb3? (better 24.Rd1=+) 24...Bf3-+ 25.Bf3 Nd2 26.Qd1 Nb3 27.Qb3 Qd7 (27...Rd6 28.a5-+) 28.Bd5 Qf5 29.a5 Qf6 30.Qa3 (30.Ra2 Rd6-/+) 30...Re5 (30...b5!? 31.Rd1 b4 32.Qb3-+) 31.e4 Rg5 32.Re1 Qd4 (better 32...Rd7!?-/+) 33.Qf3=+ Rd7 34.ab6 ab6 35.Rb1 (35.Rd1!? Qf6 36.Qf6 gf6 37.Rb1=+) 35...Rg6-/+ 36.Rd1 Qf6 (36...Rf6 37.Rd4 Rf3 38.Rd2-/+) 37.Qe3 (37.Qf6 Rf6 38.e5 Rf5-/+) 37...Re7 38.Qb3 Re5 39.Qb6?? (better 39.Rd3 Qg5 40.g3-/+) 39…Qb6-+ (39...Qb6 40.Rf1 Qb3-+) 0-1. jhonores (2160) - vikfri1 (2235), Rated Blitz game, lichess.org, 2020.

5.e3 Nc6

6.Bc3 Bc3 7.Nc3 0-0 8.Bd3 d5 9.Nf3 Bg4 10.Rb1 Ne5 11.Be2 Qe7 12.Ne5+/– Be2 13.Qe2 Qe5 14.Rb7 Ne4 15.d4 Qd6 16.Ne4 de4 17.0-0 Rfb8 18.Qb5+– c6 19.Qa6 Rb7 20.Qb7 Rb8 21.Qa7 h6 22.f3 ef3 23.Rf3 Rb1 24.Rf1 Rf1 25.Kf1 Qh2 26.Qa8 Kh7 27.Qc6 Qh1 28.Kf2 Qd1 29.Qe4 g6 30.Qd3 (30.Qd3 Qg4 31.e4+–) 1–0. WarrenW (2135) – Arkantos (1690), internet, 2008.

6.Nf3 0-0 7.Be2 Ne5 8.Ne5 d6 9.Nf3 d5 10.c4 Be6 11.Qc2 dc4 12.Bc4 Bc4 13.Qc4 Qd5 14.Qh4 Rad8 15.0-0 Ne4 16.d4 c5 17.dc5 Nc5 18.a4 Nb3 19.Ra3 Bb6?? (better is 19...Nc1! 20.Nd4 Qc4-/+) 20.Nc3+– Qe6 21.Qh7 (better is 21.Ng5!? Qh6 22.Qh6 gh6 23.Nf7 Kf7 24.Rb3+–) 21...Kh7+= 22.Ng5 Kh6 23.Ne6 fe6 24.Rb3 Rd2 25.Ne4 Ra2 26.Rb4 Kg6 27.Rc4 Rf7 28.g3 Rc7 29.Rfc1 Rc4 30.Rc4 Bd8 31.Nc5 b6 32.Ne6 Bf6 33.h4 Kf5 34.Nd4 Bd4 35.Rd4 (35.ed4?! Ke4+–) 35...Ke6 36.Kg2 a6 37.g4 b5 38.ab5 ab5 39.Rb4 Ra5 40.f4 Kd5 41.Kf3 Kc5 42.Rb1 b4 43.h5 Kc4 44.g5 b3 45.e4 Kc3 46.f5 Kc2 47.Rh1 b2 48.f6?? (better is 48.h6 gh6 49.gh6+/–) 48...gf6+= 49.Rh2 Kc3 50.Rb2 Kb2 51.gf6 Rh5 52.f7 Rh1 53.Kg2 Rh8 54.e5 Rf8 55.e6 Kc3 56.e7 Rf7 57.e8Q Rf4 58.Qe5 Rd4 59.Kf3 Kc4 60.Ke3 Rd3 61.Ke4 Rc3 62.Qd5 Kb4 63.Kd4 Rc2 64.Qb7 Ka3 65.Kd3 Rb2 66.Qa6 Kb4 67.Qb6 Ka3 68.Qa5 Kb3 69.Qc3 Ka2 70.Kc4 Rb1 71.Qc2 Rb2 72.Qa4 Kb1 73.Kc3 Rb6 74.Qe4 Ka2 0–1. combijack (1800) – bvr04, gameknot.com, 2013.

6.Nf3 Ne5 7.Ne5 0-0 (7...c6 8.Bd3=+) 8.Bd3 (8.Nc4 Bb6=+) 8...d5 9.0-0 Re8 (9...Qe7 10.f4=+) 10.f4 c5 11.a4 (11.Bb5 Re7=+) 11...c4-/+ 12.Be2 Bc7 13.Ng4 (13.Nf3 Ne4-/+) 13...Ng4 (13...d4 14.Ne5 c3 15.Ra3-/+) 14.Bg4 d4 15.Na3 (15.Bc8 Rc8 16.Qf3 de3 17.de3 Re3-+) 15...Bg4 (15...c3 16.Bc8 Rc8 17.Nb5 cd2 18.Nd4-+) 16.Qg4 de3 17.de3 Re3 18.Nc4 Re4 (better is 18...Rc3 19.Rad1 Qe7-/+) 19.Nb2?? (better is 19.Rad1 Qf6 20.Nd2 Ra4 21.g3-+) 19...Qd4-+ 20.Kh1 Qb2 21.Rab1 Qc2 22.Rfc1 Rae8 23.g3 Qa2 24.Ra1 Qd5 (24...Qd5 25.Kg2 Re2 26.Kh3 Qg2 27.Kh4 Qh2 28.Qh3 Bd8 29.Kg4 f5 30.Kf5 Qh3 31.g4 Qd3) 0–1. S – kofti, ChessWorld.net, 2005.

6.Nf3 Qe7 7.Bc3 d6 (7...0-0 8.Ba5 Na5 9.Nc3=+) 8.Bb5 (better 8.Ba5 Na5 9.Nc3=) 8...Bd7?? (better 8...Bb6=) 9.Bc6+– Bc3 (9...Bc6 10.Ba5 0-0 11.0-0+–) 10.Bd7 (10.Nc3?! bc6 11.0-0 0-0=) 10...Nd7 11.Nc3 0-0 12.0-0 Nb6 13.Qe2 c6 14.a4 d5 15.Rfb1 Nc4 16.d3 Nd6 17.a5 Rfe8 18.d4 (18.h3 f6+–) 18...Rab8 (18...f6 19.Qd3+–) 19.Na4 Nb5 (19...f6 20.Nd2+–) 20.Rb3 b6 (20...f6 21.c4 Nd6 22.cd5 cd5 23.Nc5+–) 21.c4 dc4 22.Qc4 Qf6 (22...Nd6 23.Qc6 Nb7 24.Nb6+– (worse 24.ab6 Na5 25.Qd5 Nb3 26.Qb3 ab6+–)) 23.ab6 ab6 24.Nc3 (24.Ne5 Ra8 25.Rbb1 Nd6 26.Qc6 Rac8 27.Qb6 Ne4+–) 24...Rec8 (24...Ra8 25.Rc1 Nc3 26.Rbc3+–) 25.Nb5 Ra8 (25...cb5 26.Qb5 h6+–) 26.Ra8 (better 26.Na7!? Qe7 27.Qa6 Rc7 28.Qb6 g5+–) 26...Ra8 27.Nc3 c5 (27...b5 28.Qb4 Ra1 29.Rb1 Rb1 30.Qb1+–) 28.Rb1 (28.Rb1 cd4 29.ed4+–) 1–0. Vila Vila,Ricard – Lapeira Pratdesaba,Ivan, Obert Ciutat de Vic, 2010.

6.Bf6 gf6 7.Nf3 +=.

6.Bb2 0-0

7.Bb5 d6 8.Bc6 (8.Nf3!?+=) 8...bc6-/+ 9.Ne2 Rb8 10.Bc3 Bc3 (10...Bb6 11.0-0-/+) 11.Nbc3+= Re8 12.0-0 c5 13.Rb1 Rb6 14.d3 Bb7 15.Na4 Rb1 16.Qb1 Bc6 17.Nec3 Nd5 (17...Qe7!?+=) 18.Nd5= Bd5 19.c4 Bc6 20.Nc3 Qg5 21.e4 f5 22.f4? (22.h3 Qd2 23.Nd5 Bd5+=) 22...Qg6 (better is 22...Qf6!? 23.Nb5 fe4 24.Nc7 Re7-+) 23.Re1 Qf6 24.Nd5 Bd5 25.cd5 Qd4 26.Kh1 Qc3 27.h3 c4 (better is 27...Kf7!?+=) 28.dc4+= Qc4 29.ef5 Re1 30.Qe1 h6 31.Qe8 Kh7 32.Qg6 Kh8 ½–½. Pachurka,Roland – Luedtke,Marko, Schleswig Holstein–ch Basis, 2009.

7.c4 d5 8.cd5 Nd5 9.Nf3 Re8 10.Be2 Re6 11.0-0 Rg6 12.Bd3 Rh6 13.Bc4 Be6 14.Qb3 Qd6 15.d4 Bb6 16.Qc2 Re8 17.Nbd2 Bg4 18.Bd5 Qd5 19.Ne5 Ne5 20.de5 Rg6 21.e4 Qd8 22.Qc3 Qg5 23.g3 Rc6 24.Qd3 Rd8 25.Nf3 Rd3 26.Ng5 h6 27.Nf7 Kf7 28.Kg2 Bf3 29.Kh3 g5 30.Bc1 Kg6 31.Ra2 g4 32.Kh4 Rc1! 0–1. Rohrbacher – Hemberger, Schwetzingen 1993.

7.c4 d6 8.Nf3 Re8 9.Be2 a6 10.0-0 h6 11.Nc3 Ne5 12.d4 Nf3 13.Bf3 c5 14.Nd5 Nd5 15.Bd5 Rb8 16.dc5 dc5 17.Qh5 Be6 18.Qe5 Qg5 19.Be6 fe6 20.Qg5 hg5 21.Be5 Rbc8 22.Rab1 b6 23.h3 Red8 24.Rfd1 Kf7 25.f3 g6 26.a4 Rd2 27.Rd2 Bd2 28.Kf2 Rd8? 29.Rb6+– a5 30.Rb7 Kf8 31.Bf6 Re8 32.Ke2 Bb4 33.Bg5 Kg8 34.Bf6 e5 35.Be7 Ba3 36.e4 Rc8 37.Bd6 Re8 38.Rc7 Rd8 39.Be5 Bb4 40.Ke3 Bd2 41.Kf2 g5 42.Rc5 (42…Bb4 43.Rc7+–) 1–0. Seack,Ingo – Oesterberg, corr 3GMM–12, 1996.

7.c4 Re8 8.Nf3 d6 9.Be2 Bf5 10.0-0 Ng4 11.Nc3 Re6 12.d4 Rh6 13.h3 Nf6 14.d5 Ne7 15.Nh2 Qc8 16.Ng4 Rh4? 17.Nf6+/– gf6 18.g4 Rh3? 19.gf5+– Bc3 20.Bc3 Qf5 21.Qd4 Rh6 22.f3 Qh3 23.Kf2 (23.Kf2 Kg7 24.Rh1+–) 1–0. Kreuzer,Uwe – Zapfl, corr, 1991.

7.Be2 d5 8.Nf3 Qd6 9.0-0 a6 10.d3 b5 11.c4 bc4 12.dc4 Rb8 13.Qc1 Bf5 (13...Rd8!?=) 14.Rd1+= Rfd8 15.Nc3 Ne7 16.Nd5 Ned5 17.cd5 Be4 18.Nd2 (better is 18.Ng5 Bf5 19.Bf3+/–) 18...Qd5? (better is 18...Bd2 19.Rd2 Nd5+= (19...Bd5? 20.Bf3+–)) 19.Bf6 gf6 20.Ne4 Qe4 21.Ba6 Qf5 22.Rd8 Rd8 23.Ra2 Qd5 24.Rc2 Qd1 25.Bf1 Rd2 26.Qd1 Rd1 27.Rc4 Ra1 28.a4 c5 29.Rc5 Ra4 30.g3 Kg7 31.Kg2 Be1 32.Bc4 Ra7 33.f4 Bb4 34.Rb5 Bd2 35.Kf3 Re7 36.e4 Rc7 37.Bb3 Bc3 38.h4 Be1 39.Kg4 Bf2 40.Bd5 Bd4 41.h5 h6 42.Kf5 Bf2 43.g4 Be3 44.Rb3 Bd4 ½–½. Walczak,Andrzej (2365) – Kukula,Pawel (2060), 3. Email Team Championship Poland, 2006.

7.Qf3= d6 8.Bf6+= Qf6 9.Qf6 gf6 10.Bb5 Bf5 11.Ra2 Ne5= 12.Ne2 Be6 13.Rb2 a6 14.Ba4 Nc4 15.Rb7 Bb6 16.Bc6+= Rad8 17.Nd4 Na5= 18.Rb6 cb6 19.Be4 Rfe8 20.Nc3 d5 21.Bd3 b5 22.Ke2 Nc4 23.Bc4 dc4 24.f3 Rd6?? 25.Ne4+– (25…Red8 26.Nd6 Rd6 27.g4+–) 1–0. Diener,Rudolf – Colucci,P, corr ICCF EU–M–849, 1985.

7.Qf3 d6 8.Bf6+= Qf6 9.Qf6 gf6 10.Bd3 Ne5 11.Ne2 f5 12.Nbc3 c6 13.f4 Ng4 14.h3 Nf6= 15.Rb1 Re8 16.Kf2 Ne4 17.Be4 fe4 18.g4 b5 19.Ng3 d5 20.Rhd1 a6 21.Nce2 Bb6 22.c3 (22.Nd4 Bd7=) ½–½. Krebbers,Wilfried – Fuhs,Juergen (2170), Kleve op, 2001.

7.Qf3 Ne8 A) 8.Bc4 d6 9.Bd3 Qe7 10.Qe4 Qe4 11.Be4=; B) 8.Bd3 d6 9.Be4 Qg5 10.Bc6 bc6 11.Ne2=; C) 8.Be2 d6 9.Nh3 Ne5 10.Qg3 Qe7 11.f4=.

7.Nf3 d6 8.c4 Re8 9.Be2 Bf5 10.Nc3 Ne5 11.0-0 Nd3 12.Bd3 (12.Qc2!? Nb2 13.Qb2=) 12...Bd3-/+ 13.Re1 Bc4 14.Nd4 (14.d3 Be6-/+) 14...Bd3 15.Rc1 c5 16.Nde2 a6 17.Nf4 Bf5 18.Nfd5 b5 19.Nf6 (19.Qf3 Nd5 20.Qf5 Re5-/+) 19...Qf6-+ (19...gf6?! 20.Nd5 Re6 21.e4+=) 20.Qb3 (20.d3 Qg6 21.e4 Bg4-+) 20...Qg6 21.g3 (21.Qd1 Rab8-+) 21...Bh3 (21...c4 22.Qd1-+) 22.Qd1 Rab8 Black prepares the advance b4 23.Ne2 b4 (23...Bg4!? 24.Bc3 Bc3 25.dc3-+) 24.ab4 Rb4 (24...Bb4 25.Nf4 Qh6 26.Nh3 Qh3 27.e4-+) 25.Nf4 Qe4 (better 25...Qh6 26.Bc3 Rb5-/+) 26.Nh3?? (better 26.Bc3 Bd7 27.f3=) 26...Rb2-+ 27.d3 (27.Re2 Qf3-+) 27...Qg6 (better 27...Qf5!? 28.g4 Qd7-+) 28.Qa4 Rb5 29.Red1 Reb8 30.Qf4 Bd8 31.Ra1 a5 32.Qf3 Rb4 (32...Bf6!? 33.Nf4 Qf5-/+) 33.Nf4 Qf6 (33...Qf5 34.Qc6 g5 35.e4=+) 34.Qg2 (better 34.Qc6!? h6 35.Nd5+=) 34...Rb2 35.d4 c4 (35...cd4 36.ed4 Kh8 37.Re1-/+) 36.Nd5 (better 36.Qc6!? Qe7 37.Nd5=) 36...Qe6-/+ 37.Rac1 Rc8 38.Nf4 Qf5 39.Nd5 Qh5 40.Rf1 a4 (40...Rb5 41.Qe4 Kf8 42.Nc3-/+) 41.Nc3 (41.Qe4!? Kf8 42.Nf4=+) 41...a3-/+ 42.Ra1 Ra8?? (better 42...Rb3 43.Rfc1 Qf5-/+) 43.Qa8+- Qg5 44.Qa3 (better 44.Nd5 g6 45.h4 Rb8 46.Qb8 Qd5 47.Ra3 Kg7 48.Qd8 Qe6+-) 44...Rb3 45.Qc1 (45.Qd6 Rc3 46.Ra8 h5+-) 45...h5 (45...Rb8 46.Qc2+-) 46.Ne2 (46.Ra8 Kh7 47.Ne4 Qd5 48.Rd8 Qe4 49.Qc4 Qb7+-) 46...h4 (46...d5 47.Ra8 Rb6 48.e4+-) 47.Nf4 (47.Qc4!? Rb8+-) 47...hg3 (47...d5 48.Ra8 Kh7 49.Qc2 g6 50.Rb1 hg3 51.hg3 Rb1 52.Qb1+-) 48.hg3 Bf6 (48...d5 49.Ra8 g6 50.e4+-) 49.Qc4 (better 49.Ra8 Bd8 50.Qc4 Rb7+-) 49...g6 (49...Rb8 50.Ra7 Rf8 51.Qd5+-) 50.Nd5 (better 50.Ra8 Kg7 51.Qb3+-) 50...Rb8 51.Nf6 Qf6 52.Qc7 Kg7 (52...Rd8 53.Rfb1+-) 53.Rac1 (better 53.Qb8 g5 54.Ra8+-) 53...Rd8 54.Rc6 d5 (54...g5+-) 55.Rf6 (55.Rf6 Rf8 56.Ra1 Rc8 57.Qf7 Kh8 58.Kg2 Rc1 59.Ra8 Rc8 60.Rc8) 1-0. brucepeng (1975) - gukanchipi (2000), lichess.org, 2020.

7.Nf3 d6 8.Be2 Re8 9.0-0 Bg4 10.d4 Ne4 (10...h6 11.h3 Bf5 12.Nbd2=) 11.Nbd2 Nc3 (11...Bd2 12.Nd2 Be2 13.Qe2 Nd2 14.Qd2=) 12.Bc3 Bc3 13.Rb1 Rb8 14.Rb3 Ba5 15.d5 Ne7 16.Nc4 Bb6 17.Qd2 Bc5 18.Rfb1 b6 19.Nd4 Be2 (19...Bd7 20.Bf3=) 20.Ne2+= Ng6 21.Nc3 (21.Qd3 Qh4+=) 21...Qg5= 22.g3 (22.Qd1 Ne5 23.Qe2 Qf5=) 22...h5 (22...Qg4 23.Qe2 Qe2 24.Ne2=) 23.Qe2 (better 23.Qd3=) 23...Nf4? (better 23...a6!?=) 24.ef4+– Re2 25.fg5 Rf2 26.Ne4 Rc2 27.Ne3 Bd4 (27...Ra2 28.Nc5 dc5 29.R1b2 Rb2 30.Rb2+–) 28.Rd3+– Be3 (28...Re2 29.Rd4 Re3 30.Kf2 Ra3 31.Rc1+–) 29.Re3 Ra2? (better 29...Kh7+–) 30.Rc1 1–0. Leonco – Bomber, internet corr, 2018.

7.Nf3 d6 8.Be2 Bg4 9.0-0 Re8 10.c4 Bb6 11.Nc3 Qd7 12.d3 d5 13.cd5 Nd5 14.Nd5 Qd5 15.e4 (15.Qa4 Bf5 16.Rfd1 Rad8=) 15...Qd7 16.Rc1 Bf3 17.Bf3 Bd4 18.Ba1 (18.Qb3 Rab8=) 18...Ba1=+ 19.Ra1 Rad8 20.Be2 Ne5 (20...b6 21.Rb1-/+) 21.Qb3 (21.Rc1 c6=+) 21...b6 (worse 21...Nd3 22.Rad1 Nc5 23.Rd7 Nb3 24.Rc7 Re4 25.Bf3=) 22.Rad1 Qe7 (better 22...Nc6!?-/+) 23.d4= Ng6 (23...Nd7 24.Bd3=) 24.Bf3 (24.Bb5 Rf8 25.Rfe1 c5+=) 24...Nf4 25.d5 c6 (better 25...Qe5=) 26.Rfe1?? (26.dc6!? Qc7 27.Rd8 Rd8 28.Rd1+/-) 26...cd5 (26...Rd5 27.Rd5 cd5 28.Qc3-/+) 27.g3=+ Ng6 28.ed5 Qd6 (28...Qe1!? 29.Re1 Re1 30.Kg2 Re7=) 29.Re8+= Re8 30.Rc1 (30.Qa4!? Rc8 31.Qa7+=) 30...Ne5= 31.Bg2 Nd7 32.Rc6 Qe7 (32...Qb8 33.d6 Nc5 34.Qd5+=) 33.d6 Qe1 34.Bf1 Nc5 35.Qd5 (better 35.Qf3 Rf8 36.Rc7+/-) 35...Rd8? (35...Ne4 36.Rc2 Nf6 37.Qb7+=) 36.Kg2 (better 36.d7 Qe7 37.Rc8+-) 36...Qe4 37.Qe4 Ne4 38.Be2 (38.Rc7 a5=) 38...Nd6 39.Rc7 a5 40.Bf3 (40.Rc6 b5=) 40...h6 (40...Nb5 41.Rb7 Na3 42.Rb6=) 41.Rc6 (41.a4 Nf5=+) 41...Nc8 (41...b5!?-/+) 42.Bg4 Ne7 43.Rb6 Ra8 (43...Rd3 44.Rb8 Kh7 45.Rb7+=) 44.a4 (44.Rb7 Nc8+/-) 44...Ra7 45.Be2 Nd5 46.Rb8 Kh7 47.Bc4 Nc3 48.Bb5 Nb5 49.Rb5 Kg6 50.h3 Kf6 51.f3 Ke6 52.g4 f6 53.Kg3 Kd6 54.h4 White plans g5 54...Kc6 55.g5 fg5 56.hg5 hg5 57.Rg5 (57.Kg4 Kc7+/-) 57...Kb6+= 58.Kg4 Kc6 (58...Rd7 59.f4=) 59.f4 Kd6 60.Rb5 Ke6 61.Kg5 Kf7 62.f5 Ra6 63.Rb7 Kf8 64.Rc7 Ra8 65.Kg6 Ra6 66.Kg5 Kg8 (66...Ra8 67.Rd7+/-) 67.Kh5 (67.Re7 Rd6+/-) 67...Kh7 (67...Rh6 68.Kg4 Rb6 69.Rc4+=) 68.Kg5 Kg8 69.Kh5 Kf8 (better 69...Kh7!?=) 70.Kg5 ½-½. brucepeng (2020) - JonathanAce0126 (1960), lichess.org, 2021.

7.Nf3 d6 8.Be2 Bg4 9.0-0 Re8 10.d4 Ne7 (10...Ne4 11.Nbd2 Bd2 12.Nd2 Be2 13.Qe2 Nd2 14.Qd2=) 11.c4= Nh5 (11...Ne4 12.Nbd2 Bd2 13.Nd2 Be2 14.Qe2 Nd2 15.Qd2=) 12.Nbd2 (12.h3 Bd7+=) 12...c6 (12...Nf6 13.Nb3 c6 14.Bd3+=) 13.h3+– Bd7 14.Qc2 (14.c5 d5+–) 14...d5 (14...Bf5 15.Bd3 Bd3 16.Qd3 Bd2 17.Nd2+=) 15.cd5 (15.Bd3 g6+–) 15...cd5+= 16.Rac1 Rc8 17.Qb1 (better 17.Qb3+=) 17...Nf4?? (better 17...Qb6+=) 18.Bd1 (better 18.ef4 Rc1 19.Bc1+–) 18...Nfg6 (18...Bf5!? 19.Qa2 Nd3 20.Rc8 Qc8=+ (worse 20...Bc8 21.Ba1 Bf5 22.Nb3+=)) 19.Bb3 (19.Rc8 Qc8 20.Be2 Bf5=) 19...Bb5 (19...Qb6 20.Bc2=) 20.Rc8+= Qc8 21.Rc1 Qd8 (21...Qd7 22.Bc3 Bc3 23.Rc3+=) 22.a4 (22.Bc3 h6+=) 22...Bd7 (22...Be2 23.Ba3+=) 23.Ba3 Be6 (23...Bf5 24.Qa2+=) 24.Ba2 (24.Bc2 Qd7+–) 24...Qd7 25.Qb5 Qb5 26.ab5 Rc8 27.Rc8 Bc8 28.Nb3 Bc7 29.Bb1 (29.Nc5 f6+=) 29...a6 (29...Bf5 30.Ba2=) 30.Bd3 (better 30.ba6 ba6 31.Nc5+=) 30...Bd7? (better 30...a5=) 31.Nc1?? (better 31.ba6 ba6 32.Ba6+–) 31…Ne5 ½–½. Dos Anjos,Diovana Ferreira (1660) – Ferreira,RMM (1880), Brazil Telecom Sesc Open, 2017.

7.Nf3 Re8 8.c4 d5 9.cd5 Nd5 10.Be2 (---> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2).

7.Nf3 Re8 8.Be2 d5 9.0-0 Bf5 10.Nc3 a6 11.d4 Qd6=+ 12.Nh4 Bd7 13.h3 Rad8 (13...Rad8 14.Rb1 b5=+; 13...b5 14.Bd3=+). Hohlstein,Walter – Bonetti,Shane, TT–08 TSC, 2003.

7.Nf3 Re8 8.Be2 d5 9.0-0 Bg4 10.h3 Bh5 11.Nd4 Be2 12.Ne2 Qd6 13.d3 Bb6 14.Nd2 Rad8 15.Nf4 Ne5 16.Rc1 (16.Nf3 Nfd7=) 16...c5 17.Ne2 c4 18.d4 Ng6 19.Ng3 Bc7 20.Nf3 (better 20.Rb1-/+) 20...Nh5?? (20...Qb6 21.Rb1 Bg3 22.fg3 Re3 23.Kh2-+) 21.Qe1?? (better 21.Nh5 b5 22.Rb1+-) 21...Ng3-+ 22.fg3 Qe6 (22...Qg3 23.Qf2-+) 23.Ne5 (23.Ng5!? Qb6 24.Rb1-/+) 23...Ne5-+ 24.de5 Be5 25.Be5 Qe5 26.Qf2 (26.Rf3 d4 27.Rd1 Qe7-+) 26...f6 (26...Qe3 27.Rce1 Qf2 28.Kf2-+) 27.Rfe1 c3 (27...Qc3 28.a4-+) 28.Rcd1 Qe4 29.Rd3 f5 (29...Rc8!? 30.Rd4 Qe6 31.e4-/+) 30.Red1 b5 31.Qe1 (31.Rc3!? Rc8 32.Rc8 Rc8 33.Qf3=+) 31...d4!-/+ 32.Rd4?? (32.Rd4 Qc2 Pinning (32...Qc2 Deflection); 32.ed4 Qe1 Pinning (32...Qe1 Deflection)) 32...Rd4-+ 33.Rd4 (33.Kh2 Rd1 34.Qd1 a6-+) 33...Qd4!! 34.Kh2 (34.ed4 Re4 Double attack (34...Re1 Pinning; 34...Re1 Deflection; 34...Re4 Decoy; 34...Re1 Clearance)) 34...Qe3 (34...Re3!? 35.Qf1 Qe5 36.Qf2-+) 35.Qd1 (35.Qf1 Re5-+) 35...Qd2 36.Qf3 Re2 (36...Qc2 37.Qd5 Kh8 38.Qd7-+) 37.g4 (37.Qa8 Kf7 38.Qa7 Kg6 39.Qb6 Kh5-+) 37...Qc2 (better 37...Qd6 38.Kg1 Re1 39.Kf2 Qd2 40.Kg3-+) 38.gf5 (38.Qa8 Kf7 39.Qd5 Kf6 40.Qd8 Ke5 41.Qe7 Kf4 42.Qc7 Ke3 43.Qe5 Kd2 44.Qf4 Ke1 45.Qf3 fg4 46.hg4-+) 38...Rg2! 39.Qg2 Qg2 40.Kg2 c2 0-1. brucepeng (2005) - Dchessen1 (1970), lichess.org, 2020.

7.Bf6 Qf6=+ 8.c3 d5 9.Nf3 Bg4 10.Be2 Rad8 11.Qb3 Bb6 12.a4 (12.d4 Na5 13.Qb4 Rfe8=+) 12...Na5 (12...Rfe8 13.d4-/+) 13.Qb2 Nc4 (13...Rfe8 14.d4=+) 14.Qc2 (14.Bc4 dc4 15.a5 Bc5 16.Qb7 c6=+) 14...a5 15.Na3 Bf3 (15...Bf5 16.Bd3 Na3 17.Ra3 Bd3 18.Qd3=+) 16.Bf3= Ne5 17.Be2 c6 18.Rb1 (18.d4 Nd7=) 18...Nd7 (18...Bc5 19.Qa2 Qe7 20.Nc2=) 19.0-0 (19.d4 Qe7 20.Rb3 c5=) 19...Rb8 (19...Qd6 20.Qa2=) 20.d4 Bc7 21.c4?? (21.Qb3 Rfe8=) 21...Qh6?? (better 21...Qd6 22.g3 Qa3=+) 22.g3+= Nf6 23.Bf3 dc4 24.Nc4 Qg6 (24...Nd5 25.Rfc1+=) 25.Rb2 (25.Qg6 hg6 26.Rb3 g5+/-) 25...Qc2+= 26.Rc2 Rfd8 27.Rb1 Kf8? (better 27...b5!? 28.Nd2 ba4+/-) 28.Rcb2+- b6 29.Nb6 Rb6 (29...g5 30.Nc4 (30.Bc6?! Rd6 31.d5 Rb6 32.Rb6 Bb6 33.Rb6 Nd5 34.Rb8 Ke7 35.Rb7 Kf8+-) 30...Rb2 31.Rb2+-) 30.Rb6 Bb6 31.Rb6 Rc8 (31...Rd6 32.Ra6+-) 32.Rc6 (32.Bc6!? Ke7+-) 32...Rc6 33.Bc6 Ke7 34.e4 Kd6 35.Ba8 Kc7 36.e5 Nd7 37.Bd5 f6 38.e6 (38.f4 g5+-) 38...Nb6 39.Bb3 Kd6 40.d5! f5 (40...Nd5 41.Bd5 Combination) 41.f4 h6 (41...Nc8 42.Kf2+-) 42.Kf2 g5 (42...Nc8 43.Ke3+-) 43.Ke3 (better 43.g4 fg4 44.fg5 hg5+-) 43...Nd5 (43...g4+-) 44.Bd5 Kd5 (44...g4 45.Kd4 h5+-) 45.e7 Kc4 46.e8Q Kb4 47.Qb5 (47.Kd4 Kb3 48.Kd3 Kb2 49.Qb5 Ka3 50.Kc3 gf4 51.Qb3) 47...Ka3 (47...Kc3 48.Qc6 Kb3 49.Kd3 gf4 50.Qb5 Ka3 51.Kc3 fg3 52.Qb3) 48.Qa5 (48.Kd4 g4 49.Kc3 h5 50.Qb3) 48...gf4 (48...Kb2 49.Kd3 Ka1 50.Qb4 g4 51.Kc3 Ka2 52.Qb2) 49.gf4 (49.Kd3 Ka2 50.Qb5 fg3 51.Kc3 gh2 52.Qb2) 49...h5 (49...Kb3 50.Kd3 Ka3 51.Qc3 Ka4 52.Kc4 h5 53.Qb4) 50.Qb5 h4 (50...Ka2 51.Kd4 Ka3 52.Kc3 h4 53.Qb3) 51.a5 (51.Kd4 h3 52.Kc3 Ka2 53.Qb2) 51...h3 (51...Ka2 52.a6 Ka3 53.a7 h3 54.a8Q) 52.a6 (52.a6 Ka2 53.a7 Ka3 54.a8Q) 1-0. zembelek (2095) - wiqtor (2075), Rated Blitz game, lichess.org, 2014.

7.Qf3 d5

8.Bf6 Qf6

9.Qf6 gf6

10.Bb5 Ne5+= 11.Ne2 c6= 12.Ba4 b5 13.Bb3 Be6 14.Nbc3 b4 15.ab4+= Bb4 16.f4 Nd7 17.Ra6 Rfc8 18.Na2 Bf8 19.Nd4 Nb8 20.Ra5 c5 21.Ne6 fe6 22.f5 c4 23.Ba4 Kf7 24.Rf1 Rc5 25.Rc5 Bc5 26.Nc3 a6 27.Rf4 Bb4 28.Rh4 Bc3 29.dc3 ef5 30.Rh7 Ke6 31.Rh8 Kd6 32.h4 (32...Ke7 33.Bc6 Nc6 34.Ra8+–) 1–0. Diener,Rudolf – Thal, corr ICCF WT–M–663, 1995.

10.Bb5 Ne7 11.Ne2 c6 12.Bd3 Ng6 13.f4 f5 14.h4 c5 15.c3 Be6 16.Kf2 Rfd8 17.a4 Bc7 18.Na3 a6 19.h5 Ne7 20.h6 f6 21.Ng3 Bd7 22.Bc2 Kf7 23.Rh5 Kg6 24.Rah1 b5 25.R1h4 Kf7 26.Nf5 Nf5 27.Bf5 Bf5 28.Rf5 b4 29.cb4 cb4 30.Nb1 a5 31.Rg4 Ke6 32.Rh5 Bb6 33.f5 Kd6 34.Ke2 Ra7 35.d4 Rc8 36.Kd2 Rac7 37.Rh1 Rc2 38.Kd3 Ra2 39.Rg7 Rc7 40.g4 Rcc2 41.Rd1 Rc7 42.Rd2 Ra1 43.Rb2= Rc1 44.Nd2 Ra3 45.Ke2 Rc7 46.g5 fg5 47.Rg6?? hg6-+ 48.fg6 Re7 49.Kf2 Ree3 50.Nb3 Rab3 (50...Rab3 51.Rd2 Red3 52.Rd3 Rd3-+; 50...Reb3 51.Rb3 Rb3-+) 0–1. Diener,Rudolf – Koskinen,E, corr ICCF WT–M, 1989.

10.Bb5 Ne7 11.Nf3 a6 12.Be2 Re8 =.

10.Bb5 Bf5 11.c3 =.

10.Bb5 Bf5 11.Kd1 =.

10.c3+= Bf5 11.Ne2 += (11.Nf3+=).

10.Kd1 Re8 11.Ne2 Ne5 12.h3 c6 13.Nf4 Bf5 14.d4 Nd7 15.Nd2 Bc7 16.g4 Bg6 17.h4 h6 18.Rb1 b5 19.Rg1 Bd6 20.Rb3 a6 21.Rc3 Nb8 22.g5 hg5 23.hg5 Bf4 24.ef4 Kg7 25.Rcg3 f5 26.Rh1+= Nd7 27.Nf3 Rh8 28.Rh8 Rh8 29.Kd2 Rh1 30.Be2 c5= 31.Kc3 Ra1 32.dc5 Nc5 33.Nd4 Ne4 34.Kb2= Rh1 35.Re3 Rh4 36.f3 Ng5 37.Nb5 Ne6 38.Nd6 Rf4 39.Re5= Nc7 40.Ne8 Ne8 41.Re8 Bh5 42.Rd8 Bf3 43.Bf3 Rf3 44.Rd5 f4 45.Rd1 Re3=+ 46.c4 f3 47.c5 Re5 (47...Re5 48.c6 Rb5 49.Ka2 Rc5-/+) 0–1. Jacewicz,Grzegorz – Moedl,Willi, b2–b4.com, 2002.

10.Ne2 Rd8 11.Ng3 +=.

10.Ne2 Re8 11.c3 Ne5 12.Nf4 c6 13.Nh5 Bd8 14.f4 Ng6= 15.Kf2 Bf5 16.Be2 Kf8 17.d4 Be4 18.Nd2+= f5 19.Rhc1 h6 20.c4+= dc4 21.Nc4 Be7 22.Ng3+= Bh4 23.Nd6 Re7 24.Kg1 Bg3= 25.hg3 Rd8 26.Nc4 f6 27.Kf2= Kg7 28.Rh1 Rc7 29.Nd2 Ne7 30.Rh5+= b6 31.Rah1 Rh8 32.g4 c5 33.dc5 Rc5+= 34.Ne4 fe4 35.Rc5 bc5 36.Rc1 Rc8 37.Rc4 f5 38.gf5+– Nf5 39.Re4 (39.Re4 Rb8 40.g4+–) 1–0. Diener,Rudolf – Hustert, corr ICCF EU–M–1066, 1994.

10.Ne2 Bf5 11.Nf4 (11.Kd1 Rfe8+=) 11...Bc2 12.Nd5 Rad8 13.Nbc3 Kg7 14.Rc1 Bf5 15.Nf4 Rfe8 16.Bb5 a6 (16...Rd6 17.Be2+=) 17.Bc6+/– bc6 18.g4 Bd7 19.Rg1 Rb8 20.h4 Bc3 21.dc3 Be6 22.c4 Rb2 23.Rg3 Ra2 24.g5 Rb8 25.e4 Bc4 26.Rgc3 (26.Nh5!? Kg6 27.Nf4 (27.Nf6?? Re2 28.Kf1 Rc2 29.Ke1 Rc1 30.Kd2 Ra1-+) 27...Kg7 28.Rgc3 fg5 29.hg5=+ (< 29.Rc4 gf4 30.R1c2 Ra3-+)) 26...fg5=+ 27.hg5 Bb5 28.e5 Rd8-/+ 29.e6 Kf8 30.Re3 Ke7 31.ef7 Kf7 32.Rf3 Re8 33.Re3 Ra3 34.Re8 Ke8 35.Ne2 Rd3 36.Rc3 Kd7 37.f4 Rc3-+ 38.Nc3 Ke6 39.Kf2 a5 40.Kg3 a4 41.Kg4 a3 42.Kf3 Bc4 43.Kg4 a2 44.Na2 Ba2 45.f5 Ke5 46.f6 c5 47.Kh3 0–1. NN – Fritz 8, 2003.

10.f4 d4-/+ 11.ed4 Nd4 12.Bd3= Re8 13.Kf2 Bf5 14.Bf5 Nf5 15.Nf3 Bb6 16.Kf1 Rad8 17.Nc3 Bd4 18.Re1=+ Bc3 19.dc3 Re1 20.Ke1 Ne3 21.Ke2 Nd5=+ 22.g3 Nc3 23.Ke3 c5 24.Nd2 b6 25.Nb1 Nd1 26.Ke2 Nb2 27.Nd2 Na4 28.Nb1 Kf8 29.Rd1 Rd1 30.Kd1 Ke7 31.Ke2 Ke6 32.Ke3 Kd5 33.Nd2 Nb2 34.Ne4 Ke6 35.Ke2 h6 36.Nc3 a6 37.g4 f5-+ 38.g5 h5 39.a4-/+ Kd6 40.Kf3 Kc6 41.Kg3 b5 42.ab5 ab5 43.Kh4 b4 44.Nb1 Nd1 45.Kh5-/+ Kd5 46.g6 fg6 47.Kg6 Ne3 48.h4 Ke4 49.h5 Ng4 50.Kg5 c4 51.Nd2 Kd4 52.Kf5 Ne3 53.Kg5 (53.Kg5 c3 54.Nb3 Kc4 55.h6 Nc2 56.Nc1+–) 1–0. Diener,Rudolf – Secula,V, corr ICCF EU/M/701, 1987.

10.f4 Re8 11.c3 =+.

7.Nf3 d5

8.Bb5 Qd6 =.

8.c4 Be6 9.cd5 Qd5 10.Bf6+= gf6 11.Be2 Ne5 12.0-0 Nd3 (12...c5 13.Nc3 Qd8 14.Qa4+=) 13.Nc3 Bc3 14.dc3 Rfd8 15.Nd4 Nc5 16.Bf3 (16.Bf3 Qg5 17.Qe2+=) 1–0. Janek – Ottone, internet, 2018.

8.c4 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

8.c4 Bg4 9.Be2 Bf3 (9...dc4 10.Bc4 Ne4 11.0-0=+) 10.Bf3=+ Re8 (better 10...dc4!? 11.0-0 Nd5=+) 11.cd5+= Nd5 12.0-0 Qg5 (12...Qd6 13.Qb3 Rad8 14.Rc1+= (14.Qb7?? Rb8 15.Qa6 Rb2-+)) 13.Qb3+– Nde7 (13...Nf6 14.Nc3+=) 14.d4 (14.Qb7?! Rab8 15.Qa6 Rb2 16.Bc6 Nc6 17.Qc6 Rd8=) 14...Rab8 (14...Rad8 15.Nc3+–) 15.Nc3 White prepares the advance d5 15...Bc3 (15...Nf5 16.Rac1+–) 16.Qc3 (16.Bc3 Nf5+–) 16...Rbd8 (16...Nf5 17.g3+– (worse 17.Bc6 bc6 18.Bc1 Qg6=)) 17.Rfd1 (17.Rac1 Nf5 18.Bc6 bc6 19.Qc6 Rb8+–) 17...Qa5 (17...Nd5!? 18.Qc5 Qf5+–) 18.d5 (18.Qb3 Qa6+–) 18...Qc3+– 19.Bc3 Nb8 20.Rab1 b6 21.Rbc1 (21.Be5 c5+–) 21...c5 (21...c6 22.dc6 Nbc6 23.Be2+–) 22.dc6! Nbc6 (22...Nbc6 23.Rd8 Combination; 22...Nec6 23.h4 Decoy) 23.g3 (23.h3 b5+–) 23...Rd1 24.Rd1 Rd8 25.Rd8 Nd8 26.Be5 (26.e4 Ne6+–) 26...Ndc6 27.Bd6 (27.Bb2 b5+–) 27...f6+= 28.h4 (28.Bh5 Nf5 29.Bc7 Kf8+=) 28...Kf7= 29.Be2 (29.a4 Ke6 30.Ba3 f5+=) 29...Ke6 30.Bf4 (30.Be7 Ne7 31.Kg2 f5=) 30...Kd5 (30...Ng6 31.Bc4 Kd7 32.Bd3=) 31.Bd3 (31.Kg2 Ne5=) 31...Ng6 (better 31...h6=) 32.e4?? (better 32.Bc7=) 32...Kd4-/+ 33.Bb5 Nf4 34.gf4 (34.Bc6 Nd3-/+) 34...Nb8 (34...Ne7!? 35.e5 fe5 36.fe5 Ke5 37.Kh2-+) 35.f3-/+ Ke3?? (better 35...a6 36.Be8 Ke3-/+) 36.e5+– a6 (36...Kf3?? 37.e6 Kf4 38.e7+–; 36...Kf4?? 37.e6 a6 38.e7 ab5 39.e8Q Kf3 40.Qb8+–) 37.e6 1–0. Haisma,Henk (1850) – Joachim,Rodny (1655), Gibraltar England, Amateur–B, 2016.

8.Be2 Qd6 9.0-0 h6 10.Nc3 a6 11.d4 Re8 12.a4 Bg4 13.h3 Bh5 14.Nh4 Bc3 15.Bc3 Be2 16.Qe2 Ne4 17.Bb2 Na5 18.Nf5 Qf6 19.Nh4?? (better is 19.Qh5+=) 19...Qh4-+ 20.Qg4 (20.Qd3 Re6 21.f3 Nd6-+) 20...Qg4 21.hg4 Nc4 22.Ba3 b6 23.Rfe1 a5 24.g3 Nc3 25.Kg2 (25.Bc1 c5 26.dc5 bc5-+) 25...Na4 26.Kf3 (26.Bd6 Nd6 27.Ra4 b5-+) 26...b5 27.Bc1 (27.Red1 b4 28.Bc1 Nc3-+) 27...Nc3 28.Ba3 b4 29.Bc1 a4 30.Kf4 b3 31.cb3 ab3 32.Ra8 Ra8 33.f3 (33.e4 Ne4 34.Kf3-+) 33...g5 34.Kf5 Nd6 35.Ke5 (35.Kf6 Re8 36.e4 Re6) 35...Re8 36.Kf6 Re6# 0–1. Neumann,Frank (1650) – Faber,Hans_Alban (2350), RSX15E–Maiturnier–1, 2009.

8.Bd3 Ne4 9.0-0 Bg4 10.h3 Bf5 11.Nc3 h6 12.Nb5 Re8 13.Rb1 Bg6 14.Nc3 Qd6 15.Nb5 Qe7 16.Nc3 Rad8 17.Ne2 Bh5 18.g4 Bg6 19.Nf4 Bh7 20.Qe2 Qd6 21.Nh5 f6 22.Nh4 Ne7 23.Rfd1 c5 24.Ba1 b6 25.f3 Ng3-/+ 26.Bh7 Kh7 27.Qh2 Nh5 28.gh5 Qe6 29.Ng2 Qf5-+ 30.Nf4 Qc2 31.Qg2 Nc6 32.Qg6 Qg6 33.hg6 Kg8 34.Kf2 d4 35.ed4 Nd4 36.Bc3 Nc6 37.Rbc1 Bc3 38.dc3 Rd1 39.Rd1 Rd8 40.Rd8 Nd8 41.Ke3 Nc6 42.Ke4 Ne5 43.a4 Nc4 44.Kd5=+ Nb2 45.a5 ba5 46.Kc5 a6 47.c4 a4=+ 48.Kb4 a3 49.Ka3 Nc4 50.Kb4 Nd2 51.Ka5 Nf3 52.Ka6 f5 53.Kb5 Kf8 54.Ne6 Ke7 55.Ng7 Nh4 56.Nh5 Ng6 57.Kc5 Ke6 58.Kd4 Nf8 59.Ke3 Ke5 60.Kf2 Ng6 61.Kf3 Ke6 62.Ke3 Kd5 63.Nf6 Ke5 64.Nd7 Ke6 65.Nc5 Kf6 66.Nd3 Kg5 67.Kf3 Kh4 68.Nf2 h5-+ 69.Nh1 Kg5 70.Nf2 Ne7 71.Nd3-/+ Nd5 72.Nc5 h4 73.Ne6 Kf6 74.Nd4 Ke5 75.Nc6=+ Ke6 76.Nd4 Kf6 77.Kf2 Nf4 78.Nf3 Ng6 79.Ke3 Ke6 ½–½. gtate (2450) – xadrezbr (2635), net–chess.com, 2007.

8.Be2 Ne4 9.0-0 Nc5 10.d3 Na4 11.Qc1 Re8 12.Nbd2 Nb2 13.Qb2 Bd2 14.Nd2 d4 15.e4 Qd6 16.Bf3 Rb8 17.g3 b5 18.Bg2 Bg4 19.f4 Qd7 20.f5 f6 21.h3 Bh5 22.a4 b4 23.Nc4 Qd8 24.Nd2 Qd6 25.Nb3 Qg3-+ 26.Nc5 Kh8 27.Ne6 Re6 28.fe6= Re8 29.Qb3 Bf3?? 30.Rf3+– Qd6 31.Rf5 Re6 32.Qd5 Qe7 33.e5 Ne5 34.Qa8 Qe8 35.Qe8 Re8 36.Kf2 b3 37.Be4 b2 38.Rb1 Rb8 39.Bd5 c6 40.Re5 fe5+/– 41.Bb3 e4 42.de4 c5 43.Ke2 c4?? 44.Bc4 g5 45.Kd3 Kg7 46.Kd4 h5 47.Kc3 Kf6 48.Rb2 Rc8 49.Kd4 g4 50.h4 Rc7 51.Rb5 Rd7 52.Rd5 Rg7 53.e5 Kf5 54.e6 Ke6 55.Rg5 Kf6 56.Rg7 Kg7 57.Bf1 Kf6 58.c4 Ke6 59.c5 g3 60.Bh3 Ke7 61.Kd5 g2 62.Bg2 Kd7 63.Bh3 Kc7 64.c6 Kb6 65.a5 Kb5 66.c7 Kb4 67.c8Q Kb3 68.Qc4 Kb2 69.Qd3 Kc1 70.Qe2 a6 71.Kc4 Kb1 72.Kb3 Ka1 73.Qd1# 1–0. Dumontelle,Joe – USCF Chess, tournament game, 2000.

8.Be2 Ne7 9.0-0 (9.Bf6!? gf6 10.0-0+=) 9...Ng6 10.c4 c6 11.cd5 cd5 (11...Nd5 12.Nc3=) 12.a4 (12.Qb3 Bg4+=) 12...Bf5 13.Nc3 Ne4 (13...Rc8 14.Nd4 Be6 15.Rb1=) 14.Ne4 de4 15.Nd4 Bc8 (15...Qg5 16.Nf5 Qf5 17.f3=) 16.Qb3 a6 (16...Nh4 17.d3 Qg5 18.g3 ed3 19.Bd3+=) 17.Rfd1 Ne5 18.d3 ed3 19.Bd3 Nd3 20.Rd3 Qg5 21.e4 Bc7 22.Nf5 (22.Nf3!? Qg6 23.Qd5+=) 22...Bf5= 23.ef5 Qf5 24.Rf1 (24.Qc3 f6=+) 24...b5 (24...Rac8 25.Rc3 Bd6 26.Rc8 Qc8 27.Rc1-/+) 25.ab5 (25.Rd5 Qf4 26.g3 ba4=+ (worse 26...Qa4 27.Qc3 f6 28.Qc7+/-)) 25...ab5 (25...Qb5 26.Qc3 f6 27.Qa3-/+) 26.Rf3 (26.Rd5 Qf4 27.g3 Qg4=) 26...Qh5-/+ 27.Rh3 Qf5?? (better 27...Qe2-/+) 28.Qc3+/- (28.Qc3 Bh2 29.Kh2+/-) 1-0. brucepeng (1980) - mgvil (2020), lichess.org, 2020.

8.Be2 Bf5 9.0-0 Ne4 10.c4 dc4 11.Bc4 Bg4 12.Be2 Bf3 (12...Re8 13.d3 Ng5 14.Nbd2=) 13.Bf3 Nd2 14.Bc6 Nf1 15.Qg4 f6 16.Be4 Nd2 17.Nd2 Qd2 18.Qh5? (18.Bd4 Rae8 19.Qf5 Re4 20.Qe4 Bb6=) 18...h6?? (18...f5 19.Bg7 fe4 20.Bf8 Qc3-/+ (20...Kf8?! 21.Rd1 Qc3 22.g3+=)) 19.Bd4= Rad8 (better 19...Bb6 20.Qd5 Rf7 21.Qb7 Raf8 22.Bb6 cb6=) 20.Qg6?? (20.Rd1!? Rd4 21.ed4+= (worse 21.Rd2 Rd2 22.g3 b6=+)) 20...c5 (better 20...Bb6!? 21.Qh7 Kf7 22.Bg6 Ke7 23.Qg7 Ke6-/+) 21.Qh7= Kf7 22.Qg6 Kg8 23.Qh7 Kf7 24.Qg6 Kg8 ½-½. jhonores (2205) - Tarantajames (2165), Rated Blitz game, lichess.org, 2020.

8.Be2 Bg4 9.0-0 Re8 10.c4 dc4 11.Bc4 Ne5 12.Be2 Nf3 13.Bf3 Bf3 14.Qf3 Ne4 15.Rd1 (15.Qg4 f6=) 15...Qd3=+ 16.Bd4 (16.Qf5 Qe2 17.Nc3 Bc3 18.Bc3 c5=+) 16...c5 17.Bb2 (17.Bc3 Bc3 (worse 17...Nc3 18.dc3 Qc2 19.Rd2=) 18.dc3 Qc2-/+) 17...Rad8 (better 17...Qc2 18.Bc3 A) 18...Nc3?! A1) 19.dc3?? Rad8 (19...Bc3?! 20.Nc3 Qc3 21.Qb7=) 20.Nd2 Rd2-+; A2) 19.Nc3 Bc3 20.dc3=; B) 18...Bc3 19.Nc3 Nd2-/+) 18.Nc3? (18.Qg4 f6 19.Bc3-/+) 18...Nc3?? (better 18...Nd2 19.Qb7 Bc3 20.Bc3 Qc3 21.Qa7 c4-+) 19.Bc3=+ Bc3 20.dc3 Qc3 21.Qb7 g6 (21...Rd1!? 22.Rd1 Qa3=+) 22.a4 (22.Qa7 Rd2 23.Qa6 c4+=) 22...c4 (22...Rd2 23.Rab1= (23.Qa7?? Red8 24.Rf1 Qa1-+)) 23.Rdc1 (23.Qa7 Rd2 24.Qb6 Kg7+/-) 23...Qd2 (23...Qf6 24.Qa7 Rd2 25.Rf1=) 24.Qc6 (24.Qa7 c3+/-) 24...Rc8 (24...Qe2 25.Re1 Qg4 26.Rac1=) 25.Qb5 (better 25.Qa6!?+/-) 25...c3 26.Qb4 (26.Qa6!?=) 26...Red8-/+ 27.h3 c2 28.Qd2 (28.Qb7!?-/+) 28...Rd2 29.Kf1 Rcd8 30.Re1?? (30.Ke1 f5-+) 30...f5 (better 30...Rd1 31.Rc1 Rc1 32.Rc1 Rd1 33.Ke2 Rc1-+) 31.Rac1 Kf7 32.g3 Ke6 33.h4 Ke5 34.Re2?? (34.a5-+) 34...Rd1 35.Re1 Rc1 36.Rc1 Rd1 37.Ke2 Rc1 38.Kd2 (38.Kd3 Re1 39.Kc2 Re2 40.Kd1 Rf2-+) 38...Rf1 39.Kc2 Rf2 40.Kd3 Rf3 41.g4 (41.Ke2 Ke4-+) 41...Rg3 (41...fg4 42.a5 g3 43.Kd2 g2 44.Kc3 g1Q 45.Kb2 Qf2 46.Kc3 Qe3 47.Kc2 Rf2 48.Kd1 Qd2) 42.gf5 gf5 43.h5 (43.Ke2 Ke4 44.Kf2 Rf3 45.Kg2 Re3-+) 43...f4 44.Ke2 Re3 45.Kf2 Rh3 46.h6 Rh5 47.Kf3 Rh6 48.Kg4 (48.Kg2 Rg6 49.Kf2 h5 50.Kf3 h4 51.Ke2 h3 52.Kd2 h2 53.a5 h1Q 54.Kc3 Rg3 55.Kc4 Qd5 56.Kb4 Rb3 57.Ka4 Qc4) 48...Ra6 (48...Ke4 49.a5 Rg6 50.Kh3 f3 51.Kh4 f2 52.a6 f1Q 53.Kh5 Qh3) 49.Kf3-+ Ra4 50.Kg4 Ke4 (50...Ra3 51.Kg5 f3 52.Kh5 f2 53.Kg4 f1Q 54.Kh5 Qf5 55.Kh4 Rh3) 51.Kg5 f3 (51...Ra6 52.Kg4 Rg6 53.Kh4 f3 54.Kh3 f2 55.Kh4 f1Q 56.Kh5 Qh3) 52.Kf6 Ra2 (52...Ra6 53.Kf7 f2 54.Kg7 f1Q 55.Kg8 Rg6 56.Kh7 Qf7 57.Kh8 Rg8) 53.Ke6 Re2 54.Kd6 (54.Ke7 Kd5 55.Kf7 f2 56.Kf6 f1Q 57.Kg7 Rg2 58.Kh8 Qf6 59.Kh7 Qg7) 54...f2 55.Kc5 (55.Kd7 f1Q 56.Kd6 Qf6 57.Kc7 Rd2 58.Kb7 Qb6 59.Kc8 Rd8) 55...f1Q 56.Kb4 (56.Kc6 Rc2 57.Kd7 Qf7 58.Kd8 Rg2 59.Kc8 Rg8) 56...Qf5 (56...Qb1 57.Kc5 Qb6 58.Kc4 Rc2) 57.Kc4 (57.Kc3 Qc5 58.Kb3 a5 59.Ka4 Qb4) 57...Rd2 (57...a5 58.Kc3 Qc5 59.Kb3 Qb4) 58.Kc3 (58.Kb4 a5 59.Kc3 Qd7 60.Kc4 Qd5 61.Kc3 Qd3) 58...Rd4 (58...Qd5 59.Kb4 a5 60.Kc3 Qd3) 59.Kc2 (59.Kb3 Qc5 60.Kb2 Rb4 61.Ka2 Qa5) 59...Qc5 60.Kb3 (60.Kb2 Rb4 61.Ka2 Qa5) 60...Rb4 61.Ka3 (61.Ka2 Qa5) 61…Qa5 0-1. BeepBeepImAJeep (2775) - polishmozart (2520), lichess.org, 2020.

8.Be2 Bg4 9.0-0 h6 10.h3 Bh5 11.c4 dc4 12.Bc4 Qe7 13.Nc3 Bc3 14.Bc3 Rad8 15.Be2 Ne4 16.Bb2 (better 16.Qc2=) 16...Bf3-/+ 17.Bf3 Nd2 18.Bc6 (18.Re1 Na5 19.Qe2-/+) 18...bc6 (18...Nf1 19.Qg4 f5 20.Qc4 Qf7 21.Qf1 bc6 22.Bd4-/+) 19.Bc3? (19.Re1 Ne4 20.Qg4 f5=+) 19...Ne4 (better 19...Nf1!? 20.Qf1 c5-+) 20.Qb3 (20.Qc2 Rd5=+) 20...Rd3-/+ (20...Nc3?! 21.Qc3 c5 22.Rac1=+) 21.Rac1 Qc5 (worse 21...Nc3 22.Rc3 Rc3 23.Qc3=) 22.Bd4?? (22.Bb4 Rb3 23.Bc5 Rc8=+) 22...Rb3?? (better 22...Qd4! 23.ed4 Rb3-+) 23.Bc5=+ Nc5 24.Rc5 Ra3 25.Rc6 Rc8 26.Rfc1 a5 27.Rc7 Rc7 28.Rc7 a4 29.Ra7 Ra1 30.Kh2 a3 31.Kg3 a2 (31...g5 32.Kf3=+) 32.Kf3 f6 33.Ke2 (33.g4 Kf8=) 33...Kh7 34.Kd2?? (34.g4 Kg6=) 34...h5 (better 34...Rf1-+) 35.Kc2 (better 35.Ke2!?=) 35...Rf1-/+ 36.Ra2 Rf2 37.Kb3 Ra2 38.Ka2 h4 (better 38...Kg6 39.Kb3 Kg5-+) 39.Kb3=+ Kg6 40.Kc3 Kf5 41.Kd3 (41.Kd4 g6=+) 41...Ke5-/+ 42.Ke2? (42.Kd2 Ke4-/+) 42...Ke4=+ 43.Kf2? (43.Kd2 f5 44.Ke2 g6-+) 43...g5?? (43...Kd3 44.Kf3 g6-+) 44.Ke2=+ f5 45.Kf2 g4 46.hg4?? (better 46.Ke2 Kd5 47.Ke1=) 46...fg4-+ 47.Ke2 g3 48.Kd2 (48.Kf1 Ke3 49.Kg1-+) 48...h3! 49.gh3 g2 50.h4 (50.Kc3 g1Q 51.Kb4 Qe1 52.Kc5 Qe3 53.Kc4 Qd4 54.Kb3 Kd3 55.Ka3 Kc3 56.Ka2 Qf2 57.Ka3 Qa7) 50…g1Q (50...g1Q 51.h5 Qe3 52.Kc2 Kd4 53.Kb2 Qc3 54.Kb1 Qb3 55.Kc1 Kd3 56.h6 Qc2) 0-1. brucepeng (2025) - Oky_Kupang (2105), lichess.org, 2021.

8.Be2 Re8

9.0-0 a6 10.d3 Qe7 11.Nbd2 Be6 12.Rc1 b5 13.c4 dc4 14.dc4 b4 15.ab4 Bb4 16.Qc2 Bg4 17.h3 Bh5 18.c5 Red8 19.Rfd1 a5 20.Qa4 Bd2 21.Rd2 Ne4 22.Rd8+/– Nd8 23.Qd4 Nf6 24.Qh4 Bg6 25.Ne5 Be4 26.Bc4 Bf5 27.g4 Be6+= 28.g5 Nd7 29.Bd3+= Nf8 30.f4 Ng6 31.Qh5 c6 32.f5 Qb7 33.Qe2 (33...Ne5 34.Be5= (34.fe6?? Nd3 35.ef7 Nf7-+)). Pommerel,Wim – Spiegel,U, corr sok, 1995.

9.0-0 Qe7 10.d4 Ne4 11.c4 dc4 12.Bc4 Bg4 13.h3 Bh5 14.Be2 (14.g4 Bg6=) 14...Rad8 15.Qc2 Bg6 16.Bd3 Qd6 (16...Rd5 17.Nc3 Bc3 18.Bc3=) 17.Nc3 (17.Nh4 Qe6+=) 17...Nc3 18.Bc3 Bc3 (18...Bd3 19.Qd3 Bc3 20.Qc3=) 19.Qc3+= Bd3 20.Qd3 Ne5 21.Ne5 Qe5 22.Qc3 Qd6 23.Rfc1 c6 24.a4 Qd5 25.Rab1 Rd7 26.a5 Re6 27.Qc5 Qc5 28.Rc5 Kf8 29.Rb3 Ke8 30.f3 Kd8 31.e4 White prepares d5 (31.Rc4 Kc7=) 31...Red6 32.d5 (32.Rc4 Rd4 33.Rd4 Rd4 34.Rb7 Rd7=) 32...cd5+= 33.ed5 Rc7 34.Rc7 Kc7 35.Rc3 Kb8 36.Rd3 Ra6 (36...g6 37.Rd4+=) 37.d6 (37.Re3!?=) 37...Kc8+= 38.d7 Kd8 39.Rd5 Rc6 40.Kf2 Rc7 41.Ke3 Rd7 42.Kd4?? (better is 42.Rb5-/+) 42...b5 (42...b6 43.ab6 ab6 44.Ke4 Rd5 45.Kd5-+) 43.ab6 (43.a6 Rd5 44.Kd5 b4-+) 43...ab6 44.Kc4 Rd5 45.Kd5 Kd7 46.g3 g5 47.Ke5 h5 48.Kf5 b5 49.Kg5 b4 50.Kh5 b3 51.f4 b2 52.f5 b1Q 53.g4 Ke7 54.h4 Qe4 55.Kg5 f6 56.Kh5 Kf7 57.g5 Qf3 58.Kh6 Qf5 59.h5 Qg5 0–1. Musselman,Charles (1995) – Onley,David (2120), Quebec CAN, 2014.

9.0-0 Bf5 10.c4 Qd6 11.d4 dc4 12.Bc4 Rad8 13.Qb3 Re7 14.Nc3 (14.Qb7? Rb8 15.Qa6 Rb2-+) 14...Bb6 15.a4 Na5 16.Qa2 Nc4 17.Qc4 Be6 18.Qd3 Ba5 19.Ba3 c5 20.Nb5 Qa6 (20...Qd5 21.Qc2 Red7 22.Qc5=) 21.Qc2 Rc8 22.dc5 (worse is 22.Bc5 b6 23.Nd6 Rcc7-/+) 22...Nd7 (22...Rd7!?+=) 23.Ng5+/– f5? (23...Nf8!?+/–) 24.Rac1 (24.Nd4 Qc4 25.Qc4 Bc4+–) 24...Nc5? (better is 24...Nf8+–) 25.Bc5 (25.Ne6?! Qe6 26.Na7 Rcc7+–) 25...Bb4 26.Rfd1 (better is 26.Qd3!? Rd7 27.Bd4 Rcd8+–) 26...Ree8 27.Ne6 Qe6 28.Qe2?? Bc5= 29.Qf3 a6 30.Nc3 Ba3-/+ 31.Rc2 Qb3 32.Qf5 Rc3 (32...Rc3 33.Rcd2 Qa4-+) 0–1. Rush,Bradley – Murphy,Jones, 50. LSS No Engine Cup Preliminary, 2011.

9.0-0 Bg4 10.h3 Bh5 11.d4 Bb6 12.Nbd2 Ne4 13.c4 a6 (13...Nd2 14.Qd2 dc4 15.Qc2=) 14.cd5= Qd5 15.Ne4 Qe4 16.Ne5 (better 16.Qb3=) 16...Be2-/+ (16...Ne5?! 17.Bh5 Rad8 18.Be2+=) 17.Qe2 Ne5 (better 17...Nd4!? 18.Bd4 Bd4-/+) 18.de5= Re6 19.Rac1 Rg6 20.f3?? (20.g3 Re8=) 20...Qf5?? (better 20...Qe3 21.Qe3 Be3 22.Kh2 Bc1 23.Rc1 Rc8-+) 21.Kh2 c6 22.Bd4 (22.Rfd1 Qg5 23.Bd4 Bd4 24.ed4 Rd8=+) 22...Bc7 (22...Bd4!? 23.ed4 Qf4 24.Kh1 Qd4-/+) 23.Kh1 Be5?? (better 23...Rd8 24.f4 Qe4=) 24.Be5?? (better 24.Rc5+-) 24...Qe5-/+ 25.f4 Qe4 26.Rc4 (26.f5 Rg3 27.Rf3 Rf3 28.Qf3 Qf3 29.gf3 Rc8-+) 26...Qd5 (better 26...Rg2! 27.Qg2 Qc4-+) 27.e4 Qb5 (27...Qa5 28.Qb2 b5 29.Rc3-/+) 28.Qc2 Re8 (28...Qa5 29.Ra4 Qd8 30.Rd1-/+) 29.e5 (29.Rb1!? Qa5 30.Rb7 Qe1 31.Kh2 Qg3 32.Kh1 Qf4 33.Rc6=) 29...Rg3 30.Rc3?? (better 30.Kh2 Ra3 31.Rb1=+) 30...Qf1-+ 31.Kh2 Rc3 32.Qc3 Qf4 33.Kh1 Qe5 (33...Qe5 34.Qe5 Re5-+) 0-1. brucepeng (1995) - erick2767 (2040), lichess.org, 2021.

9.0-0 h6 10.d3 Bf5 11.Nbd2 Bg6 12.Nb3 (12.Rb1 Bb6+=) 12...Bb6= 13.d4 Ne7 14.c4 c6 15.cd5 Ned5 16.Nc5 Rb8 (16...Ne4 17.Ne4 (worse 17.Nb7 Qb8-/+) 17...Be4 18.Bd3=) 17.a4 (17.Ne5 Bf5=) 17...Ne4 18.Bd3 (18.Ne4 Be4 19.Bd3 Bd3 20.Qd3 Qf6=) 18...f5 (18...Bc5 19.Be4 Be4 20.dc5=+) 19.a5 (19.Qc2 Bc7+=) 19...Bc7 (19...Ba5 20.Qc2=) 20.Qc2 Qd6 (better 20...Kh7!? 21.Ba3 Ndc3+=) 21.Ba3 Ng5 (21...Qd8!?+/-) 22.Ne5+- Re5 23.de5 (23.Na6!? Qd8 24.Nc7 (24.de5?! ba6 25.Qc6 Be8 26.Qa6 Be5=; worse 24.Nb8 Re6=+) 24...Ne3 25.fe3 Re3 26.Bc1+/-) 23...Qe5+= 24.g3 Rd8 (24...Qc3 25.Qc3 Nc3 26.Rfc1+=) 25.f4 Qe3 26.Kh1 Nh3 (26...Ne4 27.Be4 fe4 28.Nb7 Bh5 29.Nd8 Bf3 30.Rf3 Qf3 31.Kg1 Qe3 32.Qf2 Qf2 33.Kf2 Bd8+/-) 27.Rae1 Qf3?? (27...Bf7 28.Nb7 Rb8 29.Re3 Ne3 30.Qc6 Bd5 31.Qd5 Nd5+-) 28.Rf3+- (28.Rf3 Bh5 29.Rff1 Ba5 30.Re5+-) 1-0. brucepeng (1975) - tdekoekkoek (2000), lichess.org, 2020.

6.Bb2 d5

7.Bb5 0-0 8.Nf3 =.

7.Bb5 a6 8.Bc6 bc6 9.h3 (9.Qf3 Rb8 10.Bf6 Qf6 11.Qf6 gf6=) 9...0-0 (9...Rb8 10.Be5=+) 10.Ne2 (10.Qf3 Ne4=+) 10...Bf5 (10...Rb8!? 11.Bc3 Ne4=+) 11.Nd4= Bg6?? (better is 11...Bd7=) 12.Nc6+– Bd2 13.Qd2 (13.Kd2?! Qd6 14.Nd4 Rab8+–) 13...Qd6 14.Ne5 Nd7 15.Ng6 hg6 16.Qb4 Qb4 17.ab4 Rfd8 18.Nd2 f5 19.Nf3 Rab8 20.c3 c5 21.0-0 cb4 22.Ra6 bc3? 23.Bc3 Nc5 24.Rg6 Ne4 25.Rg7 Kf8 26.Rc7 Nc3 27.Rc3 Kf7 28.Ne5 Kf6 29.f4 d4 30.Rc6 Ke7 31.ed4 Rd4 32.Rc7 Kd8 33.Nc6 Kc7 34.Nd4 Rb4 35.Nf5 1–0. nay (2190) – oracleinshadows (1725), net–chess.com, 2006.

7.Bb5 Bd7 8.Nf3 (8.Qf3 a6 9.Bf6 gf6 10.Bc6 Bc6=) 8...a6 (8...0-0 9.0-0=) 9.Ba4 (9.Bc6 Bc6 10.Nd4 Bd7=) 9...0-0=+ 10.0-0 Ne4 (10...Re8 11.Nc3=+) 11.Bc6 Bc6 12.Bd4 (12.d3 Nc5=) 12...Bd7 13.d3 Nd6 14.Nbd2 c6 (14...Nb5 15.Nb3 Nd4 16.Na5 Nf3 17.Qf3=) 15.Bc5 (15.Rb1 Bg4=) 15...Bg4=+ 16.Nb3 (16.Qb1 Re8=+) 16...Bc7 (16...Bc3 17.Rc1=+) 17.h3 (17.Nbd4 Re8=+) 17...Bh5 18.Nbd4 Re8 19.g4 (19.Qb1 Bf3 20.Nf3 b6=+) 19...Bg6 20.Bb4 (20.Qb1 Nb5=+) 20...h5 (20...Nb5 21.Rb1-/+) 21.Nh2 (21.Rb1 hg4 22.hg4 Nb5-/+) 21...Qh4 (21...a5 22.Bc3-/+) 22.Qf3 (22.Kg2 Nb5=+) 22...hg4 (22...Nb5 23.Nb5 ab5 24.gh5 Bh5 25.Qg2-/+) 23.Qg4=+ Qf6 24.Qf3 (24.Bc3 Nf5=+) 24...Nf5-/+ 25.Ng4 Qg5 26.Nf5 Bf5 27.Kh1 Qh4 28.Rg1 Bg6=+ 29.Bc3 Re6 30.Rg2 Rae8 31.Rag1 Bd8 32.Ne5? Re5-+ 33.Be5 Re5 34.Rg4 Qh6 35.Qg2 Rh5 36.Rg3 Bc7 37.f4 c5 38.Kh2 c4 39.Qf3? cd3 40.cd3 Rf5 41.Qg4 Kh7 42.d4 b5 43.Rf1 Bd6 44.Rfg1 Bf8 45.R1g2 Ba3 46.Rf2 Bb4 47.Rf1 Rh5 48.f5 Bd6 49.fg6 Qg6 50.Qg6 fg6 51.Ra1 Rg5 (51...Rg5 52.h4 Rg3 53.Ra6 Bc7-+; 51...Bg3?! 52.Kg3 Rg5 53.Kh2=) 0–1. 73DADDELDU37 – helrobe, mySchach.de, 2005.

7.c4 d4 8.Qc2 0-0 9.Nf3 Re8 10.Be2 de3 11.fe3 Re3 12.Nc3 Re8 13.0-0 Bc3 14.dc3 Qe7 15.Bd3 h6 16.h3 Be6 17.Nd4 Qc5 18.Rf2 Bc4 19.Rf5 Bd3 20.Qd3 (20.Rc5?? Bc2 21.Nc2 Re2-+) 20...Qd6 21.Raf1 Ne5 22.Qg3 Ne4 23.Qf4 (23.Qh4 Nd3 24.Rb5-+) 23...Nd3 24.Qg4 Nb2 (better is 24...Qg3 25.Rf7 Qg4 (25...Nb2 26.Rg7 Kh8 27.Qg3 Ng3 28.Rg3+/–) 26.hg4 Rac8-+ (26...Nb2?! 27.Rc7 Nd6 28.Nf5 Nf5 29.Rf5-+)) 25.Rf7-/+ Ng5 26.Rg7 Kh8 27.Qh5?? (27.Rg5 hg5 28.Qh5 Kg8 29.Qg5 Kh8 30.Qh4 Kg8+–) 27...Rf8?? (better is 27...Re5 28.Qg6 Nh3 29.Kh2 Qg6 30.Rg6 Ng5-+) 28.Rg5 Rf1 29.Kf1 Qf6 (better is 29...Qf4!? 30.Nf3 Qc1 31.Ke2 Qc2 32.Kf1 Qc1 33.Ke2 Qc2 34.Kf1 Qc1=) 30.Rf5 Qd6 31.Qf7 Rg8 32.Rf6 Rg7 33.Qg7! Kg7 34.Rd6 cd6 35.Nf5 Kg6 36.Nd6 b6 37.Ke2 Kf6 38.g4 h5 39.Kf3 hg4 40.Kg4 Kg6 41.h4 Nd3 42.h5 Kg7 43.Kg5 a6 44.h6 Kh7 45.Ne4 b5 46.Nf6 Kh8 47.h7 Ne5+= 48.Kf5 Nc4 49.Kg6 Na3 50.Kh6 Nc4-/+ 51.Nd5 Nd6 52.Ne7 Nf7 53.Kg6 Ne5 54.Kf5 Nd7 55.Ke6 Nc5 56.Kd5 Na4 57.Kd4 Kh7 58.Nd5 a5 59.Nc7 b4 ½–½. combijack (1760) – apo23m5n (1695), gameknot.com, 2011.

7.c4 Be6 8.cd5 Bd5 9.Nc3 Bc3 10.Bc3 0-0 11.Nf3 Re8 12.Be2 Ne4 13.Bb2 Qd6 14.Qc2 Qg6 15.Rg1 Rad8=+ 16.d3 Nd6 17.Nd2 Rd7 18.Bf3 Bf3 19.Nf3 Nb5 20.Kd2 Red8 21.d4 Qc2 22.Kc2= a6 23.a4 Nd6= 24.Bc3 Ne4 25.Rgf1 Nc3 26.Kc3+= Kf8 27.Rfd1 Ne7 28.e4 Ng6 29.g3 Re8 30.Re1 Rd6 31.e5 Rc6 32.Kd3 Rd8 33.Rac1 Rc1 34.Rc1 Rd7 35.Ke4 Ne7 36.Nd2 Nc6 37.Nb3+/– Re7 38.f4 g6 39.g4 h5 40.h3 Nd8 41.d5 Kg7 42.f5 gf5 43.gf5+– f6 44.e6 b6 45.Rg1 Kh7 46.Rg6 Nb7 47.Rf6 Nd6 48.Kd4 Kg7? 49.Rg6 Kf8 50.f6 Rh7 51.f7 Nf5 52.Ke5 Ne7 53.Rg5 h4 54.Nd2 Rh8 55.Ne4 Rh6 56.Nf6 Ng6 57.Rg6!! Rh5 58.Nh5 b5 59.Rg8 (59.Rg8 Ke7 60.f8Q#) 1–0. Van Oosterom,Chiel – Muhren,Melissa, NED–ch U14 Rijswijk, 2000.

7.c4 Be6 8.cd5 Bd5 9.Nf3 0-0 10.Be2 Qe7 11.0-0 a6 12.Nc3 Be6 13.d4 Bg4 14.d5 Rad8 15.Qb3 Bc3 16.Bc3 Nd5 17.h3 Nc3 18.Qc3 Bh5 19.Rfe1 Rfe8 20.Qb2 Na5 21.Qc3 Bf3 22.Bf3 Qe5 23.Qb4 Rd6 24.Bb7?? (better is 24.Rac1 Rb6 25.Rc5 Rb4 26.Re5 Re5 27.ab4+=) 24...Rb6-+ (24...Nb7?! 25.Qb7 c5 26.Rac1=) 25.Qd4 Nb7 26.Rac1 c5 27.Qd7 Rd8 28.Qg4 Rg6 29.Qf3 Qd5 30.e4 Qc6 31.Qf5 h6 32.f3 Rd2 (32...Rd2 33.Qg4 Rg4 34.fg4 c4-+) 0–1. combijack (1745) – africanboy (1695), gameknot.com, 2010.

7.Qf3 0-0 8.Bf6 Qf6 9.Qf6 gf6 10.c3 Re8 11.Ne2 Bg4 12.Nf4 d4 13.Bb5 de3 14.fe3 (< 14.de3 Rad8 15.0-0 Rd6=) 14...Rad8 15.Bc6 bc6 16.Rf1 Rb8 17.Nd3 Bb6 18.h3 Be6 19.Rf6 Bd5 20.Rf4 Be4 21.Ke2 Rbd8 22.Rg4 Kh8 23.Nf4 Rb8 24.d3 Bd5 25.Rg3 Ba5 26.c4 Rb2 27.Kd1 Be6 28.Rf3 Reb8 29.Kc1 Bd7 30.c5 R2b5 31.Nd2 Rc5 32.Kd1 Bd2 33.Kd2 Rb2 34.Kd1 Rcc2 35.Rc1 Rc1 36.Kc1 Ra2 37.Nh5 Be6 38.Rg3 Bf5 39.e4 Bg6 40.Nf4 Ra3 41.Rg5 Ra1 42.Kd2 a5 43.Rc5 a4 44.Rc6 a3 45.Rc1 Rc1 46.Kc1 Kg7 47.Kb1 Kf6 48.Ng6 Kg6 49.Ka2 Kg5 50.g3 h5 51.d4 f5 52.h4 Kf6 53.e5 1–0. marekt (2490) – Sandeman_be (2270), ChessWorld.net, 2003.

7.Qf3 Qd6 8.Qg3 Qg3 9.hg3 Bf5 10.Bf6 gf6 11.Bb5 (11.c3 0-0-0=) 11...Bc2=+ 12.Ne2 Bg6 (12...Be4 13.f3 Bg6 14.Nbc3=+) 13.Nd4 Kd7 14.Bc6 bc6 15.Nb3 Bb6 16.d4 a5 17.a4 Rhb8 (17...Be4 18.Rh2=) 18.0-0 (18.N1d2 Ra7=) 18...Bf5 (18...Rb7 19.Rc1=+) 19.N1d2 (19.Rc1 Rb7=+) 19...Ra6 (19...Rb7 20.Rac1=+) 20.Rfc1= Kd6 21.Rc3 h6 22.Kf1 Ba7 23.Ke1 Bg6 24.Ke2 Rb4 25.Rcc1 Bb6 26.Nc5 Ra8 27.Nb7 Kd7 28.Nc5 Bc5 29.Rc5 Rb2 30.Kd1 Bh7 31.Rc3 Bf5 32.Kc1 Rb6 33.Nb3 Ke7 34.Kb2 Be4 35.Rg1 Bg6 36.Ka3+= Kd6 37.Rh1 h5+= 38.Rhc1 Be4 39.Rc5 Bg2 40.Na5 Raa6 41.Nb3 Bf3 42.R5c2 Bg4 43.Rb2 Bf5 44.Nc5 Ra8 45.Rc3 Rab8 46.Rcb3 Bg4 47.Na6 R8b7 48.Rb4 Bh3 49.Nc5 Rb8 50.a5 Rb5 51.a6 Bf1 52.a7 Ra8 53.Ra4 Rb6 54.Ka2 Bg2 55.Kb1 f5 56.Kc2 f6 57.Rba2 Ke7 58.Kc3 Bf3 59.Nd3 Bd1 60.R4a3 Bg4 61.Nf4 Bf3 62.Ra5 Kd6 63.Ra6 Bd1 64.Nd3 Rb3 65.Kd2 Bf3 66.R6a5 Rb6 67.Ra1 Be4 68.Nc5 Rb2 69.Ke1 Bf3 70.R5a2 Rb6 71.Kd2 Rb4 72.Kc3 Rb6 73.Nd3 Be4 74.Nf4 Bf3 75.Ra5 Rb7 76.Ra6 Rb6 77.R1a3 Rb7 78.Ra2 Bd1 79.R6a3 Ke7 80.Nd3+– Rb6 81.Ra1 Be2 82.Nf4 Bf3+/– 83.Ng6 Kd7 84.Nh4 Be2 85.Nf5 Rb7 86.R3a2 Bb5 87.Ra5 Be2 88.Nh4 Ke6 89.Ng6 Bg4 90.Nf4 Kd6 91.R1a2 Bd1 92.R5a3 Rb6 93.Nd3 Bf3 94.Ra1 Be2 95.Nc5 Bf3 96.Ra5 Ke7 97.Nd3 Rb7 98.Ra6 Be2 99.Kd2 Bd3 100.Kd3 Rb6 101.R6a5 Rb2 102.e4 Rb3 103.Kc2 Rf3+/– 104.Rb1 Rf2 105.Kd3 Rf3 106.Ke2 Rg3 107.Rb8 Rg8 108.Rg8 Rg8 109.a8Q Ra8 110.Ra8 de4 111.Ra5 h4 112.Ke3 Kf7 113.Ke4 Kg6 114.Rc5 h3 115.Rc6 h2 116.Rc1 f5 117.Ke5 Kg5 1–0. Aegis (2775) – Yace (2610), ICC, 2001.

7.Qf3 Rg8 =.

7.f4.

7.Nf3 0-0

8.c4 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5).

8.c4 Bg4 9.Be2 dc4 10.Bc4 Ne4 11.0-0 Ng5 12.Be2 Ne6 (12...Nf3 13.Bf3 Bf3 14.Qf3=) 13.d4= Ne7 14.Nbd2 Nd5 15.Rc1 (15.Nc4 c6+=) 15...c6= 16.h3 Bh5 17.Nc4 Bc7 18.Nfe5 Be2 19.Qe2 f6 20.Nf3 Re8 21.Rfe1 Nef4 (21...Nb6 22.e4+=) 22.Qf1 Ng6 23.e4 Ndf4 24.g3 Nh5 25.Qg2 Rc8 26.Rcd1 White intends d5 26...b5 27.Ncd2 Bb6 28.Nf1 Qe7 29.d5 (29.N3d2 Qe6=) 29...cd5 30.ed5 (30.Rd5 Nhf4 31.gf4 Nf4=) 30...Qd6= 31.Nd4 Re1 32.Re1 Bd4 33.Bd4 Qa3 (33...Rd8+=) 34.Ra1 (34.Qe4 Nf8+=) 34...Qb4 (34...Qd3 35.Ba7 f5 36.Ne3=+) 35.Ba7 Ne5 36.Ne3 Qc3 37.Rd1 b4 (37...Qc7!? 38.Bd4 Qd7+=) 38.d6 b3? (better 38...Qc6+/-) 39.Qd5+- Nf7 (39...Kh8 40.d7 Nd7 41.Qd7 g6+-) 40.d7 (worse 40.Qh5 Nd6 41.Qg4 Qe5+-) 40...Rd8 41.Bd4 (better 41.Bb6 Qe5 42.Qc4+-) 41...Qc7 42.Bb2 (42.Qh5 Rd7 43.Qb5 Qb7+-) 42...Ng3 (42...g6+-) 43.fg3 Qg3 44.Ng2 Qh3?? (44...Qb8+-) 45.Qe6 (better 45.Re1 h5 46.Re8 Kh7 47.Qe4 Kh6 48.Bc1 g5 49.Ba3+-) 45...h5 (better 45...Qe6 46.Re1 Ne5-+) 46.Qh3+- Ne5 47.Qe6 Kh7 48.Qe8 (48.Be5 b2 49.Bb2 h4 50.Rd5 f5 51.Rf5 g5 52.Rf7 Kg8 53.Qg6) 48...Rd7 49.Rd7 Nd7 50.Qd7 Kg6 51.Qe6 (51.Nh4 Kg5 52.Qf5 Kh4 53.Bc3 g5 54.Be1) 51...h4 52.Nf4 Kg5 53.Qe3 Kf5 (53...h3 54.Qg3 Kf5 55.Kf2 h2 56.Ke3 g5 57.Qh3 g4 58.Qh5) 54.Kg2 g5 (54...Kg4 55.Qf3 Kg5 56.Kh3 f5 57.Qf2 g6 58.Qh4) 55.Nd5 (55.Qe6 Kf4 56.Bc1) 55...h3 (55...Kg6 56.Qe8 Kh6 57.Ne7 h3 58.Kf2 Kg7 59.Qg8 Kh6 60.Qg6) 56.Kh3 (56.Qh3 Kg6 57.Nf6 g4 58.Qh5 Kg7 59.Qh7 Kf8 60.Ba3) 56...g4 57.Kh4 Kg6 58.Qf4 (58.Qe7 Kf5 59.Nf6 g3 60.Qe4) 58...g3 (58...f5 59.Qg5 Kf7 60.Qe7 Kg6 61.Qg7) 59.Qf6 Kh7 60.Qg7 1-0. jhonores (2210) - ChosAlexeu (2285), Rated Bullet game, lichess.org, 2020.

8.Be2 Bb6 9.0-0 d4 10.Nd4 (10.Bb5 de3 11.fe3 Qd6=) 10...Nd4=+ 11.ed4 Bd4 12.Bd4 Qd4 13.Nc3 Bf5 14.Bf3 (14.Rb1 b6=+) 14...c6 (14...Rad8 15.Rb1 b6 16.Rb5-/+) 15.Re1 Rad8 16.Ne2 (16.Rb1!? Ng4 17.Ne4 Be4 18.Bg4=) 16...Qd2-/+ 17.Nf4?? (better 17.c3!?-/+) 17...Bc2 (better 17...Qf4 18.Qb1 b6-+) 18.Qd2 Rd2 19.Ra2 (19.Re7 Rd7 20.Rd7 Nd7-+) 19...Rfd8 20.h3 g6 (20...g5 21.Re2 Re2 22.Ne2-+) 21.Re2 Re2 22.Ne2 Be4 23.Be4 Ne4 24.Rb2 b6 25.Nf4 (25.Rc2 c5-+) 25...Rd2 (25...Rd1!? 26.Kh2-+) 26.Rd2 Nd2 27.f3 (27.Ne2 a6-+) 27...Nc4 28.a4 Nb2 29.a5 ba5 30.Ne2 Kf8 (30...a4 31.h4-+) 31.Nc3 Ke7 32.Kf2 Kd6 33.Ke2 Kc5 34.Kd2 Kc4 35.Kc2 Nd3 36.g3 (36.Ne4 Ne1 37.Kb2 f5 38.Nd2 Kd4 39.Nb3 Kd5 40.Na5 Ng2-+) 36...Ne1 37.Kb2 Nf3 38.g4 (38.Ne4 f5 39.Nf6 h5-+) 38...Ng1 39.h4 Nf3 40.h5 (40.Ne4 Nh4 41.Nf6 c5-+) 40...Nh2 41.hg6 hg6 42.g5 Nf3 43.Ne4 Kd4 44.Nd6 Ng5 45.Kb3 f5 46.Ka4 (46.Kc2-+) 46...f4 47.Ka5 f3 48.Ka6 f2 49.Ka7 f1Q 50.Kb7 Qf6 51.Kc6 Ne4 (51...Ne4 52.Kd7 Qd6 53.Ke8 Qe6 54.Kd8 Nf6 55.Kc7 Nd5 56.Kd8 Qd6 57.Ke8 Qe7) 0-1. brucepeng (1990) - cemtufekci (2030), lichess.org, 2021.

8.Be2 Bb6 9.0-0 Bg4 10.d3 Re8 11.Nbd2 d4 12.e4 h6 13.h3 Bh5 14.Nh4? (better 14.Rb1!?=) 14...Be2 15.Qe2 Ne4 16.de4 Qh4 17.Rfe1 Re6 18.Qc4 (better 18.Nf3!? Qf4 19.Qd3-/+) 18...d3!-+ 19.Rf1? (19.cd3 Qf2 Double attack (19...Bf2 Discovered attack); 19.Qd3 Bf2 Double attack (19...Bf2 Discovered attack)) 19...dc2 (better 19...Rg6 20.Qd5 Rd8-+) 20.Qc2 Rae8 21.Rad1 Nd4?? (better 21...Rd8-/+) 22.Qc3?? (better 22.Bd4 Bd4 23.Nf3 Qe4 24.Nd4 Qc2 25.Nc2+/-) 22...Rg6 (better 22...Ne2 23.Kh1 Nc3 24.Bc3 Bf2-+) 23.Qd3? (23.Kh1 Ne6 24.Nf3 Qe4-+) 23...Qg5?? (better 23...Ne6 24.Kh1 Rg2-+) 24.g3 Ne6 25.Nf3?? (better 25.Kh2-+) 25...Qg3 26.Kh1 Qg2 0-1. brucepeng (2010) - CountDrakula (2030), lichess.org, 2020.

8.Be2 Re8 9.0-0 Bg4 10.c4 d4 11.ed4 (better 11.Nd4 Be2 12.Ne2+/- (12.Qe2? Nd4 13.Qd1 Nc6-+)) 11...Bf3=+ 12.Bf3 Nd4 13.Bb7? (better 13.d3=+) 13...Rb8-+ 14.Bd4 Qd4 (14...Rb7?! 15.Bc3 c5 16.Ba5 Qa5 17.Nc3=) 15.Bc6 Qa1 16.Be8 Re8 17.Qb3 (17.d4 Qa2 18.Qc1 Ne4-+) 17...Qd4 18.d3 (18.h3 Bb6-+) 18...Bb6 (18...Be1 19.g3-+) 19.a4 (19.Qc3-+) 19…Qf2! (19...Qf2 20.Rf2 Re1) 0-1. Jimito100 (1955) - EGNfanclub (2255), Hourly Bullet Arena, lichess.org, 2020.

8.Be2 Bf5 9.0-0 Re8 10.c4 dc4 11.Bc4 Bb6 12.d4 Bg4 13.Nbd2 Ne4 (13...Be6 14.Qc2=) 14.Qb3+= Nd6 15.Bd3 Bh5 16.Rac1 Bg6 17.Rfd1 (17.Bg6 hg6 18.d5 Ne7+/-) 17...Bd3 18.Qd3 Qd7 19.e4 Rad8 20.d5 Ne7 21.Nc4 Nc4 22.Rc4 Ng6 23.Qc3 f6 24.Qc2 Qg4 25.h3 Qh5 26.Bd4 Rd7 (better 26...Nf4!?=) 27.Bb6+/- cb6 28.Nd4 (28.Qa4 Rdd8 29.Qa7 Nf4+=) 28...Ne5 (better 28...Re4! 29.Qe4 Qd1 30.Kh2 Ne5+=) 29.Rc8 Rde7? (better 29...Qd1 30.Qd1 Rc8+/-) 30.Nf5+- Rd7 31.d6?? (better 31.f4 Nc6 32.Re8 Qe8 33.dc6 Rd1 34.Qd1 bc6 35.Qa4+-) 31...h6 32.g4 Qh3 (32...Qf7!?+/-) 33.Re8+- Kf7? (better 33...Kh7 34.Re5! Qg4 35.Kf1 fe5+-) 34.Qa2 Kg6 35.f4 (better 35.Qe2 Nf3 36.Qf3 Qf3 37.Nh4 Kf7 38.Nf3 Ke8 39.Kg2+-) 35...Nf3=+ 36.Kf2 Qh2 37.Kf3 Qa2 38.Re7 (38.Rd3 Qc4 39.Re3-/+) 38...Qb3 (better 38...Qa3 39.Ke2 Qa4 40.Rd7 Qd7-/+) 39.Ke2=+ a5 0-1. jhonores (2115) - Kaliberda_Vladimir (2310), Hourly Blitz Arena, lichess.org, 2020.

8.Be2 Bf5 9.0-0 Re8 10.d3 Qd7 11.Nbd2 Rad8 12.Rb1 (12.Bf6 gf6 13.Rb1+=) 12...a6 (12...Ng4 13.h3 Nh6 14.Nb3=) 13.h3 (13.Bf6 gf6 14.Rb7 Bb6+/-) 13...h6 (13...Qe6 14.Nh4=) 14.Nd4 (better 14.Bf6!? gf6 15.Rb7+/-) 14...Nd4 15.Bd4 Qa4 (15...Qc6!?=) 16.Bf6+/- gf6 17.Rb7 Qa3 (better 17...Bb6=) 18.Rc7?? (better 18.Nb3+/-) 18...Bc7-+ 19.Nf3 a5 20.Nd4 Bd7 21.Bf3 Qd6 22.c4 (22.Re1-+) 22…Qh2 0-1. brucepeng (1940) - nenson (2060), lichess.org, 2020.

7.Nf3 Bg4

8.Be2 0-0 9.0-0 a6 10.d3 Na7 11.Nbd2 Nb5 12.Nd4 Nc3 13.Bc3 Bc3 14.Rb1 Be2 15.Ne2 Ba5 16.d4 Qd6 17.Nb3 Bb6 18.a4 c6 19.Ng3 Bc7 20.Nd2 b5 21.Nf3 Ng4 22.Qd3 f5 23.Nf5 Rf5?? 24.Qf5+– Nh2 25.Ne5?? Nf1 26.Qf7 Kh8 27.Kf1 Rf8 28.Ke2+= (28.Ke2 Rf7 29.Nf7 Kg8 30.Nd6 Bd6 31.ab5 ab5 32.Ra1+–) 1–0. Harris – Cronin, corr, 1984.

8.Be2 0-0 9.0-0 Bb6 10.h3 Bf3 11.Bf3 d4 12.Bc6 bc6 13.Qe2 Re8 14.c4 Qd7 15.a4 a5 16.Na3 Re6 17.Nc2? d3-+ 18.Qd1 dc2 19.Qc2 Rd8 20.d4 c5 21.d5 Ree8 22.Qc3 Qf5 23.g4? Qg6 24.f4 Ne4 25.Qe1 c6 26.f5 Qg5 27.dc6 Bc7 28.Rd1 Rd1 29.Qd1 Qe3 30.Kh1 Qh3 31.Kg1 Qh2 0–1. Vekemans,Sylvain (1660) – Le Pen,Steven, FRA–ch U12, 2007.

8.Be2 0-0 9.0-0 Qd6 10.h3 Bh5 11.c4 Bf3 12.gf3 dc4 13.Bc4 Ne5 14.Be2 Rad8 15.d4 Ng6 16.Nd2 Bd2 17.Qd2 Nh4 18.e4?? (better is 18.Qc2!?+=) 18...Nh5 (better is 18...Ne4 19.fe4 Qg6 20.Bg4 Nf3 21.Kh1 Nd2-+) 19.Qg5-/+ White prepares the advance e5 19...Nf4 20.Qh4 Ne2 21.Kh1 Nd4 22.e5 Qe5 23.Rae1 Nf3 24.Be5 Nh4 25.Bc7 Rd3 26.Re3 Re3 27.fe3 Re8 28.Rd1 Nf5 (better is 28...h6!? 29.Rd4 Nf5 30.Rf4-+) 29.e4 Ng3?? (better is 29...Ne3 30.Rd3 Nc4-+) 30.Bg3+/– f5 (better is 30...f6!? 31.Rd4 Kf7+/–) 31.ef5+– Re3 32.Kg2 Ra3 33.Rd7 b5 34.Be5 g6 35.Rg7 Kf8 36.f6 (36.fg6?! hg6 37.Rg6 a5+–) 36...Rd3 37.Ra7 b4 (37...h6+–) 38.Rh7 (38.Rh7 Rd5 39.Bg3+–) 1–0. combijack (1825) – luisbravo (1685), gameknot.com, 2011.

8.Be2 0-0 9.0-0 Qd7 10.d3 Bf3 11.Bf3 Ne7 (11...Qf5 12.c4 dc4 13.dc4=) 12.Bf6+/- gf6 13.Nd2 c5 14.Nb3 Bb6 (14...Bc3 15.Ra2 Qc7 16.d4 cd4 17.Nd4+=) 15.c3 Ng6 16.Re1 Nh4 17.g3 Nf3 18.Qf3 Qe6 19.c4 (better 19.a4 Rfc8 20.a5+/-) 19...d4?? (better 19...dc4 20.dc4 Qc4+=) 20.ed4+- Qc6 21.d5 (21.Qc6!? bc6 22.dc5 Bc7+-) 21...Qd6 22.a4 (22.Nd2 f5+-) 22...a6 (22...Rfe8 23.Nd2 Kg7 24.Ne4+-) 23.a5 Bc7 24.Nd2 (24.d4 cd4 25.c5 Qd7+-) 24...Kh8 (24...Qd8 25.Ne4 Be5+-) 25.Ne4 Qe5 (25...Qe7 26.Nf6 (worse 26.Qf6 Qf6 27.Nf6 Rfc8+-) 26...Be5 27.Nh7+-) 26.Nf6 Qg5 27.Ne4 (27.Nd7 Rg8+-) 27...Qg6 (27...Qe7+-) 28.Rab1 (28.Nc5 Rfe8 29.Nb7 Re1 30.Re1 Rb8+-) 28...Rab8?? (better 28...Ba5 29.Re2 b6+/-) 29.Nc5+- b6 (29...Ba5 30.Re7 Qg7+-) 30.Nd7 (30.Na6 Rbc8 31.Nc7 Rc7 32.ab6 Rcc8+-) 30...b5 (30...Rfd8 31.Nb8 Rb8 32.Re7+-) 31.Nf8 Rf8 32.cb5 (32.Re6 f6+-) 32...Ba5 (32...ab5 33.Rb5 Bd6+-) 33.b6! Bb6 (33...Be1 34.b7 Kg7 35.Re1+-) 34.Re4 (34.Re6 Bf2 35.Kf2 Kg8 36.Rg6 fg6 37.Qf8 Kf8+-) 34...Rb8 (34...Qd6+-) 35.Rg4 Qh6 36.Qf7 Bf2 37.Kf2 (better 37.Kg2 Rf8 38.Qe7+-) 37...Qd2 (37...Rf8 38.Qf8! Qf8 39.Ke3 Qc5 40.Rd4 a5+-) 38.Kf3 Qd3 39.Kf4 (better 39.Kg2 Qd2 40.Kh3 Qh6 41.Rh4+-) 39...Rb4 (39...Qd2 40.Kf5 Qc2 41.Ke6 Qc8 42.Kd6 Qd8 43.Ke5 Qe8 44.Kf6 Qf7 45.Kf7+-) 40.Kg5 (40.Rb4 Qf1 41.Ke5 Qe1 42.Kd6 Qb4 43.Rb4 h6 44.Rb8) 40...h6 (40...Qd2 41.Rf4 h6 42.Kg6 Qc2 43.Qf5 Rb7 44.Rb7 Qb1 45.Qb1 Kg8 46.Rb8) 41.Kh6 (41.Kh5 Qg6 42.Qg6 Rb1 43.Qh6) 41...Qd2+- 42.Rg5 Qh2 43.Qh5 (43.Rh5 Qh5 44.Qh5 Rb6 45.Rb6 Kg8 46.Rb8) 43...Qh5+- 44.Kh5 Rb1 45.Re5 (better 45.Kg6 Kg8 46.Kf6 Kf8 47.d6+-) 45...Rd1?? (45...Kg7 46.g4+-) 46.Kg5 (46.Kg6 Re1 47.Re1 Kg8 48.Re8) 46...Kg7+- 47.g4 Rd5?? (better 47...a5+/-) 48.Rd5 (48.Rd5 Kg8 49.Kf6 a5 50.Rd8 Kh7 51.g5 a4 52.g6 Kh6 53.Rh8) 1-0. brucepeng (2005) - alessiodimatteo (2000), lichess.org, 2020.

8.Be2 0-0 9.0-0 Re8 10.c4 Bf3 11.Bf3= Ne5 (11...dc4 12.Bc6 bc6 13.Qa4=) 12.Be5+= Re5 13.d4 (13.Qb3 Rb8 14.cd5 Rg5+/-) 13...Re8 (13...Re7!?=) 14.Qb3 Rb8 (14...c6 15.Qb7 Qc8 16.Qc8 Rac8 17.Ra2+/-) 15.cd5 Ne4 16.Be4 Re4 17.f3 (17.Qb5!? Bb6 18.Nd2+/-) 17...Re8+= 18.e4 c6 19.Nc3 Bc3 20.Qc3 cd5 21.e5 Rc8 22.Qb3 Rc4 (22...Qd7 23.Rfc1=) 23.Rfd1 (23.Qb7!? Rd4 24.Qa7+/-) 23...Qc7 24.h3 h5 (24...a6 25.a4=) 25.h4 Re6 26.Qe3 f6 (26...Qd8!?=) 27.f4+= Rc3 28.Rd3 Rc2 29.Rad1 f5 (29...Re8 30.Qf3 Qf7 31.Re1+=) 30.R1d2 (30.Qf3!? Qc6 31.Qh5+/-) 30...Rc1= 31.Kh2 g6 32.Qf3 Qa5 33.Qe2 Rb6 (33...Qd8 34.Qf2=) 34.e6+= Rbb1?? (better 34...Qa4+=) 35.e7+- Rh1 36.Kg3 (36.Kg3 Rhe1 37.e8Q Kh7 38.Q8e7 Kh6 39.Qf8 Kh7 40.Re3+-) 1-0. jhonores (2205) - MobiusDubious (2190), Rated Blitz game, lichess.org, 2020.

8.Be2 0-0 9.0-0 Re8 10.d3 Bb6 11.Nbd2 Qd6 12.Re1 Rad8 13.a4 d4 14.e4 Bf3 15.Nf3 Ne5 16.Ne5 Qe5 17.Bf3 c5 18.Rb1 Bc7 19.g3 h5 (19...Ba5 20.Rf1=+) 20.Bg2 b6 21.Rc1 h4 22.c3 hg3 23.hg3 Qg5 (better 23...dc3 24.Bc3 Qg5=) 24.cd4+/- cd4?? (better 24...Nd7+/-) 25.Rc7+- Rd6 (25...Qa5 26.Qa1+-) 26.Bf3 (better 26.Ra7 Nd7+-) 26...Re5 (26...a6 27.Qb3 Nd7 28.Ba3+-) 27.Kg2 (better 27.Bc1!? Qg6 28.Bf4 Ne8 29.Ra7 Ra5 30.Ra5 ba5 31.Bd6 Qd6+-) 27...Ne8 28.Rc8 (28.Ra7 Qd8 29.Qb3 Nc7+-) 28...Kf8 (28...Rd8 29.Qc1 Qe7 30.Rd8 Qd8 31.Qc4+-) 29.Ba3 (29.Ba3 Rc5 30.Bc5 bc5 31.Qc1+-) 1-0. brucepeng (1955) - mgr909 (2075), lichess.org, 2020.

6.Bb2 d6

7.Bb5 0-0 8.Ba4 (8.Nf3 Bd7=) 8...Ne5=+ 9.Bb3 d5?? (9...Ne4 10.Nf3=+) 10.f3?? (better 10.Be5 Bg4 11.Nf3+-) 10...Re8=+ 11.h3 (11.Ne2 Nc4 12.Bc4 dc4=+) 11...c5 (11...Nh5 12.h4-/+) 12.Qe2 (better 12.Ne2!?-/+) 12...d4-+ 13.Bc4?? (better 13.e4-+) 13...Nc4 14.Qc4 Re3 (better 14...de3 15.Ne2 ed2 16.Nd2 Qd2 17.Kf2 Qe3 18.Kf1 Nh5-+) 15.Kf2?? (15.Kd1 Re5 16.f4 Be6-+) 15...Qe7 (15...Ne4 16.Kf1 Ng3 17.Kf2 Nh1 18.Kf1 Qh4 19.Qe2 Ng3 20.Ke1 Ne2 21.Kf1 Ng3 22.Kf2 Ne4 23.Kf1 Qf2) 16.Ne2 (16.g3 Re1 17.Qd3 b5-+) 16...Nh5 (16...Be6 17.Qb5 Bd7 18.Nd4 Bb5 19.de3 cd4 20.Bd4 Ne4 21.fe4 Qe4-+) 17.de3 (17.Rf1-+) 17…Qe3 (17...Qe3 18.Kf1 Ng3 19.Ng3 Qe1) 0-1. Delboy Smith (1755) - DartmouthMan (2030), ChessWorld.net, 2013.

7.c4 0-0=+ 8.Nf3 Bf5 (8...Re8 9.Be2=+) 9.Be2= Re8 10.0-0 Ng4 (10...Qe7 11.Nc3=) 11.d4 Re6?? (better is 11...Qf6=) 12.d5+– Rh6 (12...Rg6 13.dc6 Rb8 14.Qd5 bc6 15.Qf5 Rb2 16.Qa5 Re2 17.Qa7+–) 13.dc6 Nh2 14.Qd4 Nf3 15.Bf3 Qg5 16.cb7 Rb8 17.Qa7 Rf8 18.Qd4 Rh4 19.e4 Be6 20.Qe3 Qg6 21.Nd2 f5 22.ef5 Bf5 23.Bd5 Kh8 24.Qe7 Re8 25.Bg7! (25.Bg7 Qg7 26.Qe8 Qf8 27.Qf8) 1–0. Kreuzer,Uwe – Zapfl, Mannheim GER, 1992.

7.Nf3 Be6 8.Be2 0-0 9.0-0 Bb6 10.c4 a6 11.Nc3 d5 12.cd5 Nd5 13.Nd5 Bd5 14.Nd4 (better 14.Qc2=) 14...Nd4-/+ 15.ed4 Qg5 16.Bf3 Bc4 (16...Rfe8 17.Bd5 Qd5 18.Qa4-/+) 17.d3 (17.Bb7 Bf1 18.Ba8 Qb5=) 17...Be6 (better 17...Bd5!?=+) 18.Bb7+= Rad8 Attacks the isolani on d4 19.g3 (19.Ba6 Bd5 20.f3 Qf6+=) 19...Bd4 20.Bd4 Rd4 21.Bg2 (21.Ba6!? Qa5 22.Bb7=) 21...Rfd8 22.Be4?? (better 22.Qc1 Qe7 23.Qc6=+) 22...Re4!-+ 23.Qc2 (23.de4 Rd1 Pinning (23...Rd1 Deflection; 23...Rd1 Clearance)) 23...Red4 24.Qc7 Bh3 25.Rfd1 (25.Rfc1-+) 25...Qd5 26.f3 Qf3 (better 26...Rd3 27.Rd3 Qd3 28.Re1-+) 27.Rd2 Qe3 28.Rf2 Rd3 29.Qf7 Kh8 30.Raf1 (30.Qh5 Ra3 31.Rb1-+) 30...Bf1 (30...Rd1 31.Qc4 R8d2 32.Qg8 Kg8 33.Kh1 Rf1 34.Rf1 Bg2) 31.Kf1-+ Rd1 (better 31...Qc1 32.Kg2 Rd2 33.Kh3 Rf2 34.Qf2 Qh6 35.Kg2-+) 32.Kg2 Qe4 (32...Qa3!? 33.Qf4-+) 33.Kh3 h6 34.Rf4 Qe8 35.Qf5 (35.Qe8 Re8 36.Rc4 Re3-+) 35...R1d5 36.Qg4 (36.Qf7 Rh5 37.Kg2 Qc6 38.Kg1 Rd1 39.Rf1 Qc5 40.Kh1-+) 36...h5 (36...Rh5 37.Kg2 Rd2 38.Rf2 Rf2 39.Kf2 Rh2 40.Kf3 Qe2 41.Kf4 Rf2 42.Qf3 Rf3 43.Kg4 Rf1 44.Kh4 Rh1) 37.Qh4 Qe6 38.Kg2 Rd2 39.Rf2 Rf2 40.Kf2 Rd2 41.Kf3 Qe2 (41...Rd3 42.Kf2 Qe3 43.Kf1 Qf3 44.Ke1 Rd1) 42.Kf4 Rd4 (42...Qf2 43.Ke5 Qe3 44.Qe4 Qc5 45.Ke6 Qd6 46.Kf7 Qf6 47.Ke8 Rd8) 43.Kg5 (43.Kf5 Rd5 44.Kf4 Qf1 45.Ke3 Rd3 46.Ke4 Qf3 47.Ke5 Qd5 48.Kf4 Rf3) 43...Rh4 44.Kh4 (44.h3 Qe7 45.Kf5 Qf6) 44…Qg4 0-1. brucepeng (2015) - Mate166 (2010), lichess.org, 2021.

6.Bc3 0-0

7.Ba5 Na5 8.d4 d5 9.Be2 Re8 10.Nc3 c6 11.Nf3 Bg4 12.h3 Bh5 13.0-0 Ne4 14.Ne4= Re4 15.Bd3 Re8 16.Rb1 b6 17.g3 Qd7 18.Kh2 Qe7 19.Rb4 Nb7 20.c4 dc4 21.Bc4 Nd6 22.Be2 Ne4 23.Rc4 Qa3 24.Rc6 Nc3 25.Qd3= Rac8 26.Rc8 Rc8 27.Qf5 Rd8? 28.Qh5+– Ne2 29.Ng5 Qd3 30.Qf7 Kh8 31.Qe6 Rf8 32.Nf7 Rf7 33.Qe8 (33.Qe8 Rf8 34.Qf8) 1–0. mare – kikoursus, internet, 2001.

7.d4 d5 8.Nf3 Ne4 9.Bd2 Bf5 10.Ba5 Na5 11.Bd3 b6 12.0-0 c5 13.c3 c4 14.Bc2 Bg6 15.Be4 Be4 16.Nbd2 Bd3 17.Re1 Re8 18.Ne5 Bf5 19.Qf3 g6 20.e4 de4 21.Ne4 f6 22.Ng4 Re4 23.Re4+/– Be4 24.Nf6 Kg7 25.Ne4 Qe7 26.Re1 Rf8 27.Qe2 Qa3 28.Ng5 Rf5 29.Ne6 Kg8 30.Nd8?? Qc3?? 31.Qe6 Kg7 32.h3?? Qd4 33.Qe7 Kh6 34.Nf7 Rf7 35.Qf7 c3?? 36.Qf8+– Qg7 37.Qf4 g5 38.Re6 Qg6 39.Rg6 hg6 40.Qf8 Kh7 41.Qc8 Kg7 42.Qc3 Kf7 43.Qc7 Ke6 44.Qa7 Nc4 45.g3 Kd5 46.Qf7 Kd4 47.Qg6 b5 48.Qg5 b4 49.Qf4 Kc3 50.Qc1 Kd3 51.f4 b3 52.Qa1 Kc2 53.Kg2 Kd2 54.Kf3 Kc2 55.Qf1 Nd2-+ 56.Ke2 Nf1 57.Kf1 b2 58.Kf2 b1Q 59.Kf3 Qd1 60.Ke4 Qh1 0–1. wizzy_weezle – Book_Chess, HCL–C1791 playchess.de, 2003.

7.Be2 Bb6 8.Bf6 Qf6 (worse is 8...gf6 9.Nf3+=) 9.Nc3 Qg6 10.g3 d6 11.Nf3 Bh3 12.Nd5 Rfe8 13.Nf4 Qh6 14.Nh3 Qh3 15.Ng5 Qf5 16.Nf3 Ne5 17.0-0 Nf3 18.Bf3 g6 (better is 18...c6!?=) 19.Bb7+/– Rab8 20.Bc6 Qh3? (better is 20...Red8+/–) 21.Be8+– Re8 22.d4 h5 (22...c5 23.d5+–) 23.Qf3 h4 24.a4 Kg7 (24...a5+–) 25.a5 1–0. pierred (2795) – cristero (2490), net–chess.com, 2016.

7.Nf3 Bb6 8.d4 Ne4 9.Bb2 Ba5 10.Nbd2 d5 11.Bd3 Bg4 12.c3 Nc3 13.Qc2 Ne4 14.Be4 de4 15.Qe4 Bf3 16.Qf3 Bd2 17.Kd2 Ne5 18.Qe2 c5 19.Ke1 Qa5 20.Kf1 cd4 21.Bd4 Nc6 22.Qe1 Qb5 23.Qe2 Nd4 24.ed4 Qd5 25.Rd1 Rfe8 26.Qf3 Re4 27.g3 g5 28.h3 Rd8 29.Kg2 Rd4 30.Rd4 Qf3 31.Kf3 Rd4 32.Rb1 b6 33.Ke2 Kg7 34.Ke3 Ra4 35.Rb3 f5 36.f4 gf4 37.gf4 Kf6 38.Kf3 h5 39.Kg3 Rc4 40.Rf3 b5 41.Kh4 Kg6 42.Kg3 a5 43.Rd3 h4! 44.Kh4 Rf4 45.Kg3 Ra4 46.Rd6 Kf7 47.Rd3 Kf6 48.h4 Kg6 49.Rd6 Kf7 50.Ra6 Kg7 51.h5 Ra3 52.Kf4 a4 53.Kf5 Rc3 54.Kg5 Rc5 55.Kg4 Re5 56.Ra7 Kg8 57.h6 Kh8 58.Kh4 Rd5 59.Kg4 Rc5 60.Kh4 Rf5 61.Kg4 ½–½. Groznyi,Ivan – Sherwood,Russell (1690), OP–2009–0-00828, 2009.

6.Bc3 Bb6

7.Qf3 0-0 8.Bf6 Qf6 9.Qf6 gf6 10.Nc3 d6 11.Nd5 Kg7 12.Nf3 Be6 13.Nb6 ab6 14.d4 Na5 15.Nd2 c5 16.Rb1 Nc6 17.Rb6 Ra3 18.dc5 Ra1 19.Ke2 dc5 20.Rb7 Ra2 21.Rc7 Rc2 22.Rc6 Rd8 23.Ke1 Rdd2 24.Rc5 Rf2 25.Rc2 Rc2 26.h3 Bd5 27.Rg1 f5 28.Bd3 Rg2 29.Rg2 Bg2 30.Bf5 Kf6 31.Bh7 Bh3 32.Bg8 Be6 33.Bf7 Bf7 ½–½. pozarski (2080) – SPANOS (1990), GameColony.com, 2002.

7.Qf3+= d5 8.Bf6 Qf6 9.Qf6 gf6 10.Nc3 d4 11.Nd5+= de3 12.fe3 f5 13.Bb5+/– Rg8? 14.Bc6+– bc6 15.Nf6 Kf8 16.Ng8 Kg8 17.Ne2 Ba6 18.Rf1 c5 19.Rf5 c4 20.Rb1 Re8 21.g4 Bc8 22.Rf4 Be6 23.h4 a5 24.Rb5 h6 25.Rh5 Kg7 26.Nd4 Bd7 27.Nf5 Bf5 28.Rhf5 Re7 29.Rc4 Rd7 30.d4 Re7 31.Ke2 Re6 32.Kd3 Kg6 33.e4 Kg7 34.d5 Rg6 35.e5 (35.e5 Kg8 36.h5+–) 1–0. mtr – yari20, internet, 2001.

7.Qf3 d5 8.Bf6 Qf6 9.Qf6 gf6 10.Nc3 Be6 11.Bb5 Rg8 12.Nge2 a6 13.Bc6 bc6 14.0-0 Ke7 15.Rfb1 Rab8 16.a4 Ba5 17.Rb8 (17.Rb8 Rb8 18.Rb1=) 1–0. von Rosenberg,Clemens (1790) – Porkolab,Sandor (1960), IECC, 2007.

7.Qf3= d5 8.Bf6 Qf6 9.Qf6 gf6 10.Nc3 Ne7 11.Nf3 Rg8 12.h3 c6 13.g4 (13.Kd1 Bc7=) 13...h5 (13...h6!?=) 14.gh5+= Be6 15.Rb1 0-0-0 16.h6 (16.Na4 Bc7+/–) 16...Rh8 17.Na4 Bc7 18.Nc5 b6 19.Ba6+/– Kb8 20.Nd4 Bc8 21.Bc8 Kc8 22.Na6 Bd6= 23.Nb4 c5 24.Ndc6= cb4 25.Nd8 Kd8 26.ab4 Rh6 27.Ke2 Nc6 28.b5+= Na5 29.Ra1 Kd7 30.d4 f5= 31.Kd3 Rh4 32.f3 Ke6 33.Ra4 Rh8 34.Raa1 Bg3 35.f4 Bh4= 36.Rhg1 Rc8 37.Rg7 Rc7 38.Rh7 Bf6 39.h4 Nc4 40.Rb1 Nd6 41.Rb4 Ne4 =. pozarski (2040) – NoSolution (2105), GameColony.com, 2002.

6.Bf6 Qf6

7.c3 0-0 8.Bb5 a6 9.Bd3 d5 10.Qh5 g6 11.Qd5 Rd8-+ 12.Qc4?? Ne5 13.Qa4 Nd3 14.Kd1 Nb2 (14...Nb2 15.Kc1 Na4-+) 0–1. moover – jiikoo, internet, 2005.

7.c3 0-0 8.Nf3 d6 9.Bd3 Bg4 10.Be2 Ne7 (10...Rfe8 11.0-0+=) 11.h3 (better is 11.Qa4!? Bf3 12.Bf3+=) 11...Bd7 12.0-0 Qg6 13.Nh4 Qh6 14.d4?? (better is 14.Nf3+=) 14...Qh4-+ 15.Bf3 c6 16.c4 Ng6 17.Nd2 Bc7 18.Rb1 Rab8 19.Be4 d5! 20.Nf3 (20.cd5 cd5 Combination) 20...Qe4 (20...de4?! 21.Nh4 Nh4 22.Qa4=) 21.Ng5 (21.cd5 Qd5 22.Qb3 Qh5-+) 21...Qh4 (21...Qf5!? 22.Nf3-+) 22.Nf3 Qh6 23.cd5 Bh3! 24.dc6 Bg4 25.g3 Qh5 26.Rb7 Bf3 27.Qf3 Qf3 28.Rc7 Rb5 29.Rc1 Rb2 30.Rf1 Rfb8 31.Ra7 Rf2! 32.Rf2 Rb1 0–1. mekkelmania – madik, gameknot.com, 2014.

7.c3 0-0 8.Nf3 d6 9.Be2 Bg4 10.0-0 a6 11.d4 Rfe8 12.Qb3 (12.d5 Bf3 13.Bf3 Ne5=) 12...Rab8=+ 13.Nbd2 b5 (13...Bf5 14.Rad1=+) 14.Rfe1 (14.Bd3 Rb6=) 14...h6 (14...Bf5 15.a4 b4 16.cb4 Nb4 17.Qc3=) 15.Rac1 Ne7 16.a4 Be6 (16...c6 17.ab5 ab5 18.Ra1=) 17.Qa3 b4 18.cb4 Bb4 19.Qa1 a5 (19...Bg4!?=) 20.Rc7+= Nd5 21.Rcc1 Rec8 (21...Bg4 22.Red1+=) 22.Rc8 Rc8 23.Rc1 (23.Bd3 Qe7+=) 23...Rc1 24.Qc1 Nc3 25.Bf1 (25.Bd3 Bf5 (25...Na4?? 26.Qc6 Qd8 27.Qa4+-) 26.e4 Bd7=) 25...Qf5 26.h3 Na2 (26...Na4 27.Qc7=) 27.Qb1 (27.Qc6 Nc3+/-) 27...Qb1 (27...Nc3 28.Qc1=) 28.Nb1+= g5 (28...Bf5 29.Nfd2+=) 29.e4 (29.Bb5 Nc1+/-) 29...Bb3+= 30.Bb5 Bc2 (30...Nc3 31.Nc3 Bc3 32.g3=) 31.Nfd2+= Nc3 Attacking the isolated pawn on a4 32.Nc3 Bc3 33.Nc4 Be4 34.Nd6 Bd5 (34...f5 35.d5+=) 35.Nf5 (35.Bc4 Bc6+/-) 35...Kh7 (35...Be6 36.Nh6 Kg7 37.d5 Bd5 38.Nf5 Kf6 39.Ne3+=) 36.g4 (36.Ne3 Be4 37.d5 Bb4+/-) 36...Be4 (36...Be6 37.Bd3 Kh8 38.Nh6 Bd4 39.Nf5+=) 37.Bd7 (37.Nd6 Bf3+/-) 37...Bf5 (37...Kh8 38.Nh6 Kg7 39.Nf5 Bf5 40.Bf5 Bd4 41.Kg2+=) 38.Bf5 Kg7 39.d5 Kf6 (39...Bb4+=) 40.Kg2 (better 40.d6!?+/-) 40...Ke5= 41.h4 Kd5 42.hg5 Ke5?? (42...hg5 43.Kf3=) 43.Kf3?? (better 43.gh6 Kf4 44.h7+-) 43...hg5= 44.Bc8 Bb4 45.Ba6 f6 46.Bb5 Kd4 47.Bd7 Bd6 48.Bf5 Be5 49.Bg6 Kc3 50.Bf7 Kd4 51.Be8 Kd3 52.Bb5 Kd4 53.Kg2 Kc3 54.Kf1 Kd4 55.Ke2 Kc3 56.Ke3 Kb4 57.Ke4 Kc3 0-1. zembelek (2015) - arina1999 (2260), Rated Blitz game, lichess.org, 2013.

7.c3 0-0 8.Qh5 d6 =+.

7.c3 d5 8.Nf3 0-0 9.Be2 Re8 10.0-0 Bf5 11.Qb3 Rad8 12.Qb7?? (12.d4=+) 12...Bb6 (better 12...Rb8 13.Qa6 Rb6-+) 13.Qa6= g5 (better 13...Ne5=) 14.Bd3?? (14.d4 g4 15.Nfd2 Re6+=) 14...g4?? (better 14...Nb8 15.Qb5 c6-+) 15.Nd4 (15.Bf5 gf3 16.Bh3 Ne5+=) 15...Nd4 (15...Nb8!? 16.Qb5 c6 17.Nc6 Bd3 18.Qd3 Nc6-+) 16.cd4 (16.ed4 Re6 17.Bf5 Qf5=+) 16...Bc8 (better 16...Bd4!? 17.ed4 Re6=) 17.Qb5+= c6 (17...Re6 18.Nc3 Qh4 A) worse 19.Nd5 c6 20.Ne7 Re7 (20...Qe7 21.Qh5 Rg6 22.Bg6 hg6 23.Qe5 Qe5 24.de5-/+) 21.Qc6 Bb7-+; B) 19.g3+=) 18.Qb3 (18.Qa4 Re6+/-) 18...c5 (18...Qh4 19.Rc1 Rd6 20.g3+=) 19.Bb5 (19.dc5 Bc5 20.Nc3 Be6+/-) 19...c4+= 20.Qb2 (20.Qc3!? Re7 21.d3+=) 20...Re6 21.Nc3 Qh4 22.f4?? (better 22.g3 Qh5 23.d3=) 22...Rh6-+ 23.Nd5 Rd5 24.Bc4 Qh2 (24...Rd7 25.Qb5 Bd8 26.Rac1 Qh2 27.Kf2 Bh4 28.Ke2-+) 25.Kf2 g3 26.Ke1 Rd8 27.d3 Bg4 28.Qa2 (28.Qb5 Qg2 29.Ra2-+) 28...Ba5 29.Qd2 Qg2 30.Rb1 (30.Bf7 Kf7 31.Rf3 Qd2 32.Kf1 Rh1) 30…Qe2 (30...Qd2) 0-1. zembelek (2065) - shaf (2200), Rated Blitz game, lichess.org, 2013.

7.c3 d5 8.Nf3 Bg4 9.Be2 0-0 10.0-0 Rad8 11.a4 (11.Qa4 Bf5=) 11...Rfe8 12.Na3 Bb6 13.Nc2 Na5 14.d4 Nc4 15.Nb4 (15.Bc4 dc4 16.Na3 Ba5=) 15...c6 16.h3 Bh5 17.g4 (17.Nd2!? Be2 18.Qe2 Nd2 19.Qd2=+) 17...Bg6-/+ 18.Bc4 dc4 19.Ne5 Re5 20.de5 Qe5 21.Qe2 (better 21.Qc1!?-/+) 21...a5-+ 22.Nc6 (22.Na2 Bd3 23.Qf3 Bc7-+) 22...bc6 23.Qc4 (23.Rfe1 Bd3 24.Qb2 Rb8-+) 23...Be4 (better 23...Be3 24.Qc6 Be4 25.Qe4 Qe4-+) 24.Rfd1 Re8 25.Rab1?? (25.Rd7 Qf6 26.Qf1 Qf3-+ (26...Qc3?! 27.Rc1 Qe5 28.Qe2-+)) 25...Bc7 (better 25...Be3 26.Qe4 Qe4 27.fe3 Qe3 28.Kg2 f5-+) 26.f4 Qe7 27.Rb7 (27.Rb2-+) 27...Qh4 28.Qe2 Qg3 29.Kf1 Qh3 (29...Bf3 30.Rd3 Qh3 31.Ke1 Be2 32.Ke2 Bf4 33.Kd1 Qf1 34.Kc2 Qe2 35.Rd2 Qe3 36.Rd4-+) 30.Ke1 (30.Kf2 Qg2 31.Ke1 Qg1 32.Kd2 Rd8 33.Kc1 Rd1 34.Qd1 Qe3 35.Kb2 Qf2 36.Kb3 h6-+ (36...Qf4?? 37.Rb8 Bb8 38.Qd8)) 30...Bd8 (better 30...Bf3 31.Rd3 Be2 32.Ke2 Bf4 33.Kd1 Qf1 34.Kc2 Qe2 35.Rd2 Qe3 36.Rd4-+) 31.Rd4 (31.Kd2 Bf3 32.Qf1 Qh2 33.Kc1 Bd1 34.Qd1 Qg3-+) 31...h5! 32.g5 (32.gh5 Bf3 Double attack (32...Bf3 Decoy)) 32...Bf3 33.Qf2 (33.Qd3 Qh1 34.Qf1 Re3 35.Kd2 Qf1 36.Rd8 Kh7 37.Ke3 Qe2 38.Kd4 Qd2 39.Kc5 Qd8 40.f5-+) 33...Qc8 (better 33...Qh1 34.Qf1 Re3 35.Kd2 Qf1 36.Rd8 Kh7 37.Ke3 Qe2 38.Kd4 Qd2 39.Kc5 Qd8-+) 34.Rdd7 Bd5 35.g6 Bf6?? (better 35...fg6 36.c4 Bc4-/+) 36.gf7= Bf7 37.Rf7 Qe6 38.Ke2 Qc4 39.Kf3 Qa4 40.Qb2?? (40.Qd2 Qa1 41.Kg2 Qc3 42.Qc3 Bc3+=) 40...Qc4 (better 40...Qe4 41.Kg3 Qe3 42.Kg2 Qe4 43.Kg1 Qe1 44.Kh2 Re2 45.Qe2 Qe2 46.Kg1 h4 47.Rf6 gf6 48.Rb8 Kg7 49.Rb7 Kg6-+) 41.Qb3?? (better 41.Kf2=+) 41...Qf1 42.Kg3 h4 (42...Re3 43.Kh2 Rh3) 43.Kh2 Qf2 44.Kh1 Qf1 (44...Qf3 45.Kh2 Qg3 46.Kh1 Qh3 47.Kg1 Qe3 48.Kh1 Qh3 49.Kg1 Qg3 50.Kh1 Re1) 45.Kh2 Qf2 46.Kh1 h3 (46...Qf3 47.Kh2 Qg3 48.Kh1 Qh3 49.Kg1 Qe3 50.Kh1 Qh3 51.Kg1 Qg3 52.Kh1 Re1) 47.Rf6 (47.Rg7! Kh8 48.Rh7) 47...Kh8= 48.Rh6 1-0. zembelek (2060) - shaf (2210), Rated Blitz game, lichess.org, 2013.

5.e3 d5

6.Bb2 c5 7.Nf3 Nc6 8.Be2 0-0 9.0-0 Bf5 10.d3 Bc7 11.Nbd2 Re8 12.Rc1 Rc8 13.c4 dc4 14.Nc4 b6 (14...b5 15.Ncd2 Bd6 16.e4=) 15.e4 (15.Qa4 Bd7=) 15...Bg6 16.Ne3 Bf4 17.g3 Bb8 18.Qb3 Na5 (18...Bh5!?=+) 19.Qc3= h6 20.Rfd1 Bh5 21.Nd5 Bf3 22.Nf6 (worse 22.Bf3 Be5 23.Qc2 Nc6=+) 22...Qf6 (22...gf6!? 23.Bf3 Be5=) 23.Qf6+= gf6 24.Bf3 Kg7 (24...Be5 25.Rc2=) 25.Bg2 (25.Bg4 Rcd8+/-) 25...Rcd8 (25...Be5 26.Bc3 Nb3=) 26.Bf1 (26.f4!?+/-) 26...Nb3 (26...Be5 27.d4 Bd4 28.Bd4 Rd4 29.Rd4 cd4 30.Rd1 Re4 31.Bg2=+) 27.Rc4 (27.Rb1 Nd4+=) 27...Nd4 (27...Be5!? 28.Bc1 Nc1 29.Rdc1 Re7=+) 28.Bd4+= Rd4 29.Rd4 cd4 30.Rc1 (30.Bh3 Re5+=) 30...Bd6 31.a4 Re7 (31...f5!? 32.ef5 Re5=) 32.Bh3+= Rc7 33.Ra1 (33.Rc7!? Bc7 34.Bc8+/-) 33...Bb4 (33...Rc3 34.Rd1=) 34.Rb1 a5 35.Kg2 Rc3 (35...Kf8 36.Bf5=) 36.Rd1 Ra3 37.Bd7 Kf8 38.h4 Ke7 39.Bb5 Ra2 40.g4 Rc2 41.Kg3 Ke6 42.f4 Re2 43.Kf3 Re3 44.Kg2 (44.Kf2 Bd6+=) 44...Be1 (44...Re2 45.Kg1+=) 45.h5+/- Bg3 46.f5 Ke5 47.Rb1 (47.Rf1!?+=) 47...Be1 (47...Kf4 48.Bc4=+) 48.Bc4= Bb4 (48...Kf4 49.g5 Kg5 50.Rb6=) 49.Rc1 (49.Rf1!?+=) 49...Kf4=+ 50.Bb5 (50.Rd1 Kg4 51.Kf2 Kh5=+) 50...Kg4 51.Rc7? (51.Kf2=+) 51...Kh5?? (51...Re2 52.Kf1 Kf3 53.Rc1 Bd2 54.Bd7 Rf2 55.Kg1 Bc1 56.e5 Be3 57.Bc6 Kg3 58.Bg2 Rf5 59.Kh1 Rh5 60.Bh3 Rh3) 52.Rf7=+ Kg5 53.Rg7 Kh5 (53...Kf4 54.Rg6=+) 54.Rf7 (54.Rg6 Be7+=) 54...Kg5= 55.Rg7 Kf4 56.Rg6 Re2 57.Kf1 Rh2 (better 57...Kf3!? 58.Rg3 Kg3 59.Ke2 h5-/+) 58.Rf6 h5 (58...Kf3 59.Kg1 Rh4 60.e5+= (60.Rb6?? Bd2 61.Rh6 Be3 62.Kf1 Rh6 63.e5 Rh1)) 59.Rb6 (59.Kg1 Rb2 60.Rg6 Bd2+=) 59...h4 (59...Rb2 60.Kg1 Bd2 61.e5-/+) 60.Rh6 (60.Kg1!? Re2 61.Rg6+=) 60...Kf3= 61.Kg1 Kg3?? (better 61...Rb2 62.Be8 Rd2=) 62.Rg6+- Kh3 (62...Kf4 63.Kh2 Be7+-) 63.Bd7 (63.Bd7 Rg2 64.Rg2 Bd6 65.f6; 63.f6 Rg2 64.Rg2 Bd6 65.Bd7) 1-0. brucepeng (1935) - Sabarima (2020), lichess.org, 2020.

6.Bb5 c6 7.Bf1 0-0 8.Qf3 Nbd7 9.Bd4 Ne4 10.Qg4 Ne5 11.Be5 Bg4 12.f3 (12.Nf3 Re8 13.Bb2 b5-+) 12...Qe7 13.Bb2 (13.Bf4 g5 14.fe4 gf4-+) 13...Nd2! 14.Nd2 Qe3 15.Ne2 (15.Be2 Qd2 16.Kf1 Bf5-+) 15...Qd2 16.Kf2 Rae8 17.Bc1 Qe1 18.Kg1 Bb6 19.Be3 Be3 0–1. guest889 – crafty, ICC, 1999.

6.c4 0-0 7.cd5 Nd5 8.Be2 c5 9.Nf3 Nc6 10.Bb2 Bf5 (--->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.a3 Ba5).

6.c4 Nc6 7.Bb2 d4 8.ed4 Nd4 9.Nf3 Qe7 10.Be2 Nf3 (10...Qe2?! 11.Qe2 Ne2 12.Ke2=) 11.gf3 0-0 12.0-0 Bh3 13.Re1 Ne4! 14.Bf1?? (14.fe4 Qg5 Pinning) 14...Qg5 15.Kh1 0–1. combijack (1830) – cirk (1930), gameknot.com, 2011.

6.Qf3 Nbd7 7.Bc3 Bb6 8.h4 0-0 9.h5 h6 10.Bd3 c5 (11.Qg3 d4-/+) 0–1. shaip (2350) – Timmayyy (2530), ChessWorld.net, 2003.

6.Nf3 Nbd7 7.Bb2 0-0 8.c4 Nc5 9.Nc3 (9.Qc2 Qe7=) 9...Bf5 10.d3? (better 10.cd5 Nd5 11.Be2=+) 10...dc4-+ 11.dc4? (11.Rc1-+) 11...Nfe4 12.Rc1 Qd1 13.Kd1 (13.Rd1 Nc3 (worse 13...Bc3 14.Bc3 Nc3 15.Rc1-+) 14.Bc3 Bc3 15.Ke2 Be6-+) 13...Nf2 14.Ke2 Nh1 15.Nd5 (15.Rd1-+) 15…Bd3 (15...Bd3 16.Kd1 Nf2) 0-1. moss42 (1860) - byrjand (2425), ChessWorld.net, 2014.

6.Bb2 c6

7.Nf3 Bg4 8.Be2 Ne4 (8...0-0 9.0-0=) 9.0-0 (9.Bg7!? Rg8 10.Bb2+=) 9...0-0= 10.d3 Ng5 11.Nbd2 Nf3 12.Bf3 Bf3 13.Nf3 Nd7 14.Nd4 Bc7 15.Qg4 Nf6 16.Qg5 Qd6 17.g3 (17.f4 h6 18.Qg3 Qd7=) 17...h6 18.Qh4 Rae8 (better 18...Bd8!?=) 19.Nf5+/- Qe6 20.Nh6! gh6 21.Bf6 Qf5? (better 21...Bd8 22.Bd8 Rd8+/-) 22.Qh6+- Qh7 23.Qg5 Qg6 24.Qh4 Qh7 25.Qg4 (25.Qb4 Be5 26.Be5 Re5 27.Qb7 Qh3+-) 25...Qg6 26.Qh4 Qh7 27.Qd4 (27.Qd4 Re6 28.Rab1+-) 1-0. brucepeng (1990) - Anar_akifoglu (2005), lichess.org, 2021.

6.Nf3 0-0

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.a3 Ba5).

7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.Nf3).

6.Nf3 c5

7.Bb5 Nc6 8.0-0 0-0 9.Bf4 Nh5 10.Bg5 f6 11.Bh4 g5 12.Ne1 Ng7 13.Bg3 Ne7 14.Be2 Be6 15.c3 Nef5 16.d4 c4 17.Nc2 Rc8 18.Nb4 Bf7 19.Bg4 h5 20.Bf5 Nf5 21.Qf3 Ng7 22.h4 g4 23.Qd1 Nf5+= 24.Bh2 Nh4 25.Nd2 Re8 26.Re1 f5 27.Qc2 Qd7 28.Nf1 Bd8 29.Na2 Qe6 30.Rab1 b6 31.Bf4 Qe4-+ 32.Qe4 fe4 33.Ng3 Kg7 34.Rb5 a6 35.Rb2 Kg6 36.Ne2 Nf5 37.Be5 Ne7 38.Nb4 a5 39.Nc2 Rc6 40.Bg3 Nf5 41.Be5 h4 42.Kh2 Kh7 43.Rh1 Ne7 44.Kg1 Ng6 45.Bh2 Bg5 46.Bf4 Bf6 47.Bh2 Kg8 48.a4 Be7 49.Rb5 Rd8 50.Nf4 Kf8 51.Kf1 Nf4 52.ef4 Be8 53.Rb1 Rh6 54.Ne3 h3 55.Ng4 hg2 56.Kg2 Rg6 57.f3 Bd7 58.Kf2-/+ Bf5 59.Ne3 Bh4 60.Kf1 Bh3 61.Ke2 Bg2 62.fe4 Be4 63.f5 Rg7 64.Be5= Rh7 65.Rh4 Rh4 66.Rb6 Rd7 67.Rf6 Ke8= 68.Re6 Kf8 69.Rf6 Ke8 ½–½. Vornanen,Alpo (2340) – Satosuo,Raimo (2020), SenSM33 ICCF, 2006.

7.Bb5 Bd7 8.Qe2 Nc6 (8...a6 9.Bd7 Nbd7 10.Bf6 Qf6 11.c3=+) 9.0-0= Ne5 10.Ne5 0-0 11.Nd7 Nd7 12.Qf3 Nf6 13.Be2 Qd6 14.Rd1 Bc7 15.g3 Rfe8 16.Bb5 (16.c4 Qe5 17.Ra2 Rad8=) 16...Re7=+ 17.c4 a6 18.Ba4 Rd8 19.d3 Bb8 (19...d4!? 20.e4 Rb8-/+) 20.Nd2= h6 21.Rab1 b6 22.cd5 Nd5 23.Ne4 Qc7 24.Bb3+= Red7 25.Rdc1 Ba7 26.d4+/– Qc6 27.Nc3+– c4 28.Nd5 Qd5 29.Qd5 Rd5 30.Bc4 Ra5 31.Bf7! (The passed pawn on e3 will quickly become a dangerous weapon) 31...Kf7 32.Rc7 Kf6 33.Ra7 b5 34.Rb3 Rc8 35.e4 Rc1 36.Kg2 Rd1 37.Rc3 Rd4 38.Rc6 Ke5 39.Re7# 1–0. b4_player (2200) – chef1985 (2170), GameColony.com, 2003.

7.Bb5 Nbd7 8.0-0 0-0 9.Bc3 Bc7 10.Be2 Qe7 11.a4 Rd8 12.Bb2 1–0. pierred (2795) – aspasio, net–chess.com, 2016.

7.c4 Nc6 8.Bc3 d4 9.Ba5 Qa5 10.Be2 Bf5 11.Qb3 0-0-0 Black intends d3 (11...0-0 12.0-0=+ (12.Qb7? Nb4 13.0-0 Nc2-+)) 12.0-0 (12.Nh4 Be4 13.0-0 d3=) 12...Rhe8 (12...Qc7 13.Bd3 Bg4 14.Ne1=+) 13.Ra2 (13.Nh4 Be4=+) 13...Qc7 (13...Qa6 14.Bd3 Bg4 15.Be2-/+) 14.Rb2 Na5 15.Qa2 d3 16.Bd1 Ne4 (16...Be6 17.Bb3=+) 17.a4 Rd6 (17...Qe7 18.Na3=+) 18.Ne1 (18.Na3 a6=) 18...Rh6 19.f4 Qe7 20.Nf3 (20.Nd3 Qh4 21.h3 Bh3 22.Nf2 Bg2 23.Nh3 Qh3 24.Bg4 Qg4 25.Rb7 Rh1) 20...g5 (20...f6 21.Na3-/+) 21.fg5 (21.Ng5 Ng5 22.fg5 Qg5=+) 21...Ng5 22.Rb5 (22.Ng5 Qg5 23.Rf2 Be4-+) 22...Nc6 (22...b6 23.Ng5 Qg5 24.Rf2-/+) 23.Nc3 (23.Ng5 Qg5 24.Rc5 Rg8-+) 23...Rg8 (23...Qd6 24.Ng5 Qh2 25.Kf2-/+) 24.Qa3 (24.Nd5 Qd6 25.Nf4 Nh3 26.Nh3 Rh3-+) 24…b6 (24...b6 25.g3 Bd7=+) 0–1. marekt (2180) – agram (2520), gameknot.com, 2020.

7.c4 Nc6 8.cd5 Nd5 9.Bg7 Rg8 10.Bb2+=.

7.c4 Nc6 8.cd5 Ne5 9.Ne5 0-0 (worse is 9...Qd5 10.Qa4 Ke7 11.Nf7 Bd2 12.Nd2 Qf7 13.Qf4+=) 10.Bc4 Re8 (10...Qd6 11.f4+=) 11.Nf3 (11.f4 Nd7 12.0-0 Ne5 13.fe5 Re5=) 11...a6+= 12.Nc3 (12.a4!?+=) 12...b5-/+ 13.Ba2 Bb7 14.0-0 c4 15.Bb1 Nd5 16.Qc2 g6 17.Nd4 (better is 17.Ne2!?-/+) 17...Nc3-+ 18.dc3 Qg5 19.f4 (19.g3 Qd5 20.e4 Qe4 21.Qe4 Be4 (21...Re4?! 22.Be4 Be4 23.Rac1+=) 22.Be4 Re4-+) 19...Qg4 20.f5 (20.Qf2 Re3 21.Ra2 Rc3 22.Qe1-+) 20...Bc3 (worse is 20...Re3 21.fg6 fg6 22.Qf2-+) 21.fg6 hg6 (21...Ba1 22.gf7 Kf8 23.fe8R (23.fe8B?! Ke8 24.Qf2 Qg2 25.Qg2 Bg2 26.Kg2 Ra7+–) 23...Ke8 24.Qf2 Qg2 25.Qg2 Bg2 26.Kg2+–; worse is 21...fg6 22.Qf2 Bd4 23.h3 Qg2 24.Qg2 Bg2 25.ed4 Bf1 26.Kf1-+; 21...Qg6?! 22.Ra2 Qc2 23.Rc2-+) 22.Rf4 (22.Qf2 Qg2! (worse is 22...Ba1 23.Qf7 Kh8 24.Qb7-+) 23.Qg2 Bg2 24.Kg2 Ba1 25.Bg6 fg6 26.Ra1 Re3-+) 22...Qf4 23.ef4 Bd4 24.Kf1 Ba1 25.f5 g5 26.f6 (26.Qc1 f6-+) 26...Bf6 27.Qh7 Kf8 (27...Kf8 28.Qh6 Ke7-+) 0–1. cristero (2490) – aspasio, net–chess.com, 2016.

7.c4 Bc7 8.Bb2 (8.Bf6 Qf6 9.Nc3 d4 10.ed4 0-0+=) 8...0-0 9.cd5 Nd5 10.Qc2 b6 (10...Nc6 11.Qc5 Nb6 12.Qc3+=) 11.Bd3 h6 12.Nc3 Nf6 13.Be4 (13.0-0!? Nbd7 14.Ne2=) 13...Ne4= 14.Qe4 Bd7?? (better is 14...Qd7= would be a reprieve) 15.Qa8+– Re8 (15...Bc6 is not much help 16.Qa7 Qc8 17.Na4+–) 16.Qd5 (16.Qa7 Worse is 16...Bc6 17.d4 Bf3 18.gf3 cd4+–) 16...Qf6 17.Qd3 (17.Qb7 keeps an even firmer grip 17...Qc6 18.Qa7 b5+–) 17...Bf5 (17...Rd8 doesn't change anything anymore 18.Qb1 Qe6 19.Qe4 Qe4 20.Ne4+–) 18.Qe2 (18.Qb5!? might be the shorter path 18...Qe6 19.Nd5 Na6+–) 18...Nc6 19.d3 Bg4 (19...Ne5 desperation 20.e4 Qd8 21.Ne5 Be5+–) 20.Nd5 Qd6 21.Nc7 Qc7 22.h3 Bh5 (22...Be6 does not win a prize 23.Rd1+–) 23.g4 Bg6 24.Rc1 (24.0-0 seems even better 24...Qd8 25.Rfd1 Na5+–) 24...Qd7 (24...Qd6 does not save the day 25.Rd1+–) 25.d4 Qd5 (25...Rd8 does not improve anything 26.0-0 h5 27.Rfd1 hg4 28.Nh4+–) 26.0-0 Be4 27.Nd2 Bg2 28.Rfe1 Bh3 29.e4 Qg5 30.f3 f5 31.Qe3 Qh4 32.Qf2 Qg5 33.ef5 Rf8 34.dc5 h5 35.Ne4 (35.Ne4 Qh6 36.Qh4+–) 1–0. Frydendal,Odd – Johansen,Odd Bjoern, Nordic Senior–ch, 2001.

5.e3 d6

6.Bb2 Bb6 7.Nf3 Nc6 8.c4 Qe7 9.d4 a5 (9...Ne4 10.Qc2 Ba5 11.Nc3=) 10.Be2 Bg4 11.0-0 0-0 12.Nbd2 Rfe8 13.h3 Bh5 14.Re1 a4 15.Nf1 Ba5 16.N3d2 Ne4?? (better 16...Be2 17.Re2 d5=) 17.Bh5+- Qf6 (17...Qh4 18.g3 Qh3 19.Ne4 Re4 20.Bf7 Kf7 21.Qf3 Kg8 22.Qe4 Be1 23.Re1+-) 18.Bf3 (18.Ne4!? Re4 19.Re2 Bb6+-) 18...Nd2 19.Nd2 1-0. jhonores (2225) - SenileOyster (2235), Rated Blitz game, lichess.org, 2020.

6.Bb2 c6 7.Nf3 0-0 8.Be2 Nbd7 9.0-0 Bc7 10.d3 Re8 11.Nbd2 Ng4 12.h3 Nge5 13.c4 Qf6 14.d4 Nf3 15.Nf3 d5 16.cd5 cd5 17.Rb1 Qg6 18.a4 Nf6 19.Ba3 (better 19.Rc1!? Bd6 20.Ne5 Be5 21.de5 Bh3 22.Bf3=) 19...Bh3-/+ 20.g3?? (better 20.Nh4 Qg5 21.Rb7-+) 20...Bg3-+ (20...Bf1?! 21.Qf1 Rab8 22.Rc1 Bg3 23.Bd3-+) 21.fg3 (21.Kh1 Ne4 22.Bd3-+) 21…Qg3 (21...Qg3 22.Kh1 Qg2) 0-1. brucepeng (1995) - Lowskill12 (2000), lichess.org, 2020.

6.Bb2 Bg4 7.Nf3 Nc6 8.Be2 0-0 9.0-0 Qd7 10.c4 Ne4 11.d3 Nc5 12.Nd4 Be2 13.Ne2 f5 14.Ng3 f4 15.ef4 Rf4 16.Nc3 (16.Nh5 Rh4 17.g3 Qg4 18.Ng7 Rf8=) 16...Bc3 (16...Rd4!? 17.Nce4 Rd3-/+) 17.Bc3= Ne5 (better 17...Nd4!?=) 18.d4+/- Na4 19.Bd2?? (better 19.de5 Nc3 20.Qb3+/-) 19...Rd4-+ 20.Qc2 (20.Ne2 Rc4 21.f4 Nc6-+) 20...Rc4 21.Qd1 Qg4 22.Qb3 Nc5 23.Qe3 Rf8 24.Bb4 Ncd3 25.Qa7 Nf4 26.Qb7 c6?? (better 26...Nf3! 27.Kh1 Ng2 28.Qd5 Kh8-+) 27.Bd6+/- Nh3? (better 27...Nf3 28.Kh1 Nd2 29.Bf8 Nf1 30.Rf1 Kf8+-) 28.gh3?? (28.Kh1 Nd3 29.gh3 (29.Bf8?! Ndf2 30.Rf2 Nf2 31.Kg1 Nh3 32.Kh1 Nf2 33.Kg1 Nh3 34.Kh1 Nf2=) 29...Qf3 30.Kg1 Nf2 31.Qd7+-) 28...Nf3+= 29.Kg2?? (better 29.Kh1 Qh3 30.Nf5=) 29...Nh4 (29...Qh3 30.Kh3 Rh4 31.Kg2 Rh2) 30.Kg1 (30.Kh1 Qf3 31.Kg1 Qg2) 30...Qh3 31.Qc6 Rc6 32.Bf8 Nf3 (32...Qg2) 33.Kh1 Qh2 0-1. brucepeng (1985) - Chigorin_11 (2060), lichess.org, 2020.

6.Bc3 Bc3 7.Nc3 0-0 8.Be2 b6 (8...Nc6 9.Nf3 Bf5 10.0-0 h6 11.Rb1 Rb8 12.d4 Qd7; 8...Qe7 9.Nf3 c5 10.0-0 Nc6 11.d4 h6 12.Qd2 Bg4) 9.Nf3 (9.Bf3 d5 10.Nge2 Nc6 11.Nf4 Be6 12.d4 Re8) 9...Bb7 (9...c6 10.0-0= Nbd7 11.Nd4 Qc7 12.f4 Nc5; 9...Nc6 10.0-0 Qe7 11.d4 Bd7 12.Bc4 Na5) 10.0-0 Re8 (10...Qe7 11.Nd4 Nc6 12.Re1 Qd7) 11.Nd4 (11.d4 Qd7= (11...Nbd7 12.Bd3 Qe7) 12.Bb5 c6; 11.h3 Nc6 12.d4 d5) 11...Nbd7 (11...c5 12.Nf5= (12.Bf3 Bf3) 12...g6) 12.Bf3 (12.f4 Qe7) 12...Nc5 (12...d5 13.Nf5=; 12...Bf3=) 13.Bb7 Nb7 14.Nc6 (14.Qf3 d5=) 14...Qd7+= 15.Qf3 d5 16.Nd4 Nc5 (16...c5 17.Nf5+=) 17.Rfe1 (17.d3 Ne6 18.Ne6 fe6=) 17...a6 (17...Nce4 18.Ne4 de4 19.Qf4+=) 18.d3 Rad8 (18...Ne6 19.Nce2+=) 19.Qf5 (19.Reb1 Ne6 20.Nf5 Qc6=) 19...Qf5 (19...Ne6 20.Ne6 fe6 21.Qe5+=) 20.Nf5 Re5 (20...Ne6 21.Rab1+=) 21.Ng3 (21.Nd4 Rde8=) 21...d4 (21...Ncd7 22.d4 Re6 23.e4 de4 24.Nce4 Ne4 25.Re4 (25.Ne4? Rde8-+) 25...Re4 26.Ne4=) 22.ed4 Re1 23.Re1 Rd4 24.h3 (24.Nh5 Ncd7 25.Nf6 Nf6=) 24...g6 (24...Ne6 25.Nf5 Rd8 26.Ne4 Ne4 27.Re4=) 25.Nce4 (25.Kf1 h5=) 25...Nce4 26.Ne4 ½–½. Maly,Guenther (1665) – Baermann,Joachim (2130), remoteschach.de, 2010.

6.Bg3 Nc6 7.Nf3 Bg4 8.Be2 0-0 9.0-0 Qd7 10.d4 Bf5 11.Nbd2 Ne7 12.c4 b6 13.Qb3 Qc6 14.Bd3 Be6? 15.d5 Ned5+/– 16.cd5 Bd5 17.Qc2 Qb7? 18.Nb3 c5 19.Na5 ba5 20.Bd6 Rfc8 21.Bg3 Bf3 22.gf3 Qf3 23.Be2 Qd5 24.Rfd1 Qc6 25.Rd6 Qe4 26.Qe4 Ne4 27.Rdd1 Ng3 28.hg3 c4 29.Rdc1 c3 30.Rab1 Rc5 31.Rb3 Rac8 32.Kf1 f6 33.Ke1 Kf7 34.Bf3 R8c7 35.Rb7 Rb7 36.Bb7 Rc7 37.Bf3 h6 38.Ke2 Ke6 39.Kd3 Kd6 40.Rc3 Rc3 41.Kc3 Kc5 42.a4 g6 43.g4 g5 44.Bg2 Kd6 45.Kd4 Ke6 46.Bc6 f5 47.f3 (47.f3 Kd6 48.Bd5+– (48.gf5?! Kc6 49.Ke5 h5+–)) 1–0. Gernet,T – Triendl,H, Wolfstein ch–RLPF U13, 1994.

6.Bb2 0-0

7.c4 Bf5 8.Nf3 h6 9.Be2 d5 10.0-0 dc4 11.Bc4 Bd3? (better 11...Nbd7!?=) 12.Bd3+/- Qd3 13.Ne5 (better 13.Bf6!? gf6 14.Nh4+/-) 13...Qb5= 14.Qc2 Nbd7 15.Nd7 Nd7 16.Nc3 Qh5 17.Ne4 c6 18.Ng3 Qg4 19.Rab1 Bc7 (19...Qe6 20.Nf5 g6 21.Nh6 Kh7 22.Qa4+/-) 20.Bg7 (better 20.Nf5 f6 21.h3+-) 20...Qg7= 21.Rb7 Bg3 22.hg3 (22.Rd7 Be5+=) 22...Ne5 23.d4 Ng4 24.Qc6 Rfc8 25.Qf3 Qg6 26.Rb5 (26.Qd5 Rab8 27.Rb4 a6=+) 26...Rab8=+ 27.Rf5 Rb2 28.Qd5 Rcb8 29.Qe4 Nf6 30.Qf3 R8b6 31.e4 (31.Rf4 Kg7-/+) 31...Rb1 (31...R2b3 32.Qf4-/+) 32.d5 (32.Qf4 Rf1 33.Kf1 Rb1 34.Ke2 Nd7-/+) 32...Ng4 33.Qd3 Rf1 34.Kf1 Qd6 (34...Qg7 35.e5 Ne5 36.Qe4-+) 35.Rf4? (35.Qd1 Nf6 36.Rf4-/+) 35...Ne5-+ 36.Qd1 (36.Qd1 Qb8 37.Qc2 Rb1 38.Ke2 Qb5 39.Ke3 Qb6 40.Ke2-+). jhonores (2225) - mmconte (2180), Rated Blitz game, lichess.org, 2020.

7.Nf3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3 d6 5.Bb2 0-0 6.a3 Ba5 7.e3).

6.Bb2 Nc6

7.c4 0-0 8.Nf3 Bg4 9.Be2 Ne4 10.h3 Bh5 11.0-0 Qe7 12.Nd4 Bg6 13.d3 Nd4 14.Bd4 Nf6 15.Bf3 c5 16.Bb2 Rad8 (16...Rab8 17.Nc3=) 17.Qb3 Rd7 (17...Rb8 18.Rd1+=) 18.Qb5 Bd8 19.Rd1 b6 20.Ra2 Ne8 (20...Qe6 21.Nc3+/-) 21.Bc6 (21.Nc3 Nf6+/-) 21...Rc7 22.Nc3 Nf6 23.Nd5 (23.Ne2 Rc8+/-) 23...Nd5+= 24.Bd5 Qg5 25.f4 (25.a4!?=) 25...Qg3=+ 26.Bc3 (better 26.Bc1=+) 26...Qe3-+ 27.Kh1 Bd3 28.Bd2 (28.Bg7!? Bc4! 29.Qc4 Kg7 30.Rb2-+) 28...Qg3 29.Be1 (better 29.Re1 Qf2 30.Qb3-+) 29...Qe3?? (better 29...Qf4 30.Bf2 Bg6-+) 30.Qb3+/- Re8 31.Bf2 Bc4 32.Qc4 (32.Be3?? Bb3 33.Bb3 Re3-+; 32.Qe3?! Re3 33.Be3 Ba2 34.Ba2 Be7+=) 32...Qe7 33.Re1 Qf8 34.Re8 Qe8 35.Re2 Do you see the mate threat? 35...Re7 36.Re7 Be7 37.g4 g6 38.Qa6 Qb8 (38...Qd7 39.Kh2+/-) 39.Be1 (39.Kg2 Qc7+/-) 39...Bf6 40.a4 Bd4 (40...Qc7 41.a5+=) 41.Bd2 (41.Bh4 Qc7+/-) 41...Kf8 42.Kg2 Qc7 43.Kf3 Qe7 44.Qc8 Kg7 45.Qc6 (45.g5 h6+=) 45...Qh4 Threatening mate... how? 46.Ke2 Qe7 (46...Qh3 47.Qd7 Qh2 48.Kd1 Qg1 49.Kc2 Qg4 50.Qg4+-) 47.Kd1 h6 48.Kc2 (48.f5 gf5 49.Qc8 f4+=) 48...Kf8 (48...Bf6 49.Qb7 Qb7 50.Bb7+=) 49.Bf3 (49.f5!? g5 50.h4+/-) 49...Kg7 50.Qe4 Threatening mate: Qxe7 50...Qe4 51.Be4 f6 (51...Kf6 52.Bd5+=) 52.Kd3+/- g5 53.Kc4 Kf7 54.Kb5 (better 54.Bd5 Ke7 55.Kb5+/-) 54...gf4? (better 54...Ke7+=) 55.Bf4+- Be5 (55...Ke7 56.Bh6 Kd7 57.Bd5+-) 56.Bh6 Ke6 57.Kc4 (57.Kc6 Bg3+-) 57...a6? (57...Bg3 58.Bg2+-) 58.h4 (58.Bd5 Ke7+-) 58...b5 (58...Bg3 59.h5 Ke5+-) 59.ab5 ab5 60.Kb5 Bd4 (60...Bg3 61.h5+-) 61.Kc4 Ke5 (61...Kf7 62.Bf4 Ke6 63.h5+-) 62.Bf3 (62.Bd5!? f5 63.g5 Kf4+-) 62...f5 63.Bg7 (better 63.g5 Kf4 64.Bd5+-) 63...Kf4+/- 64.Bd4 cd4?? (better 64...fg4 65.Be3 Ke3 66.Bg4 Kf4+/-) 65.g5+- Kf3 66.Kd4 f4 67.g6 Ke2 68.g7 f3 69.g8Q f2 70.Qg2 (70.Qg4 Ke1 71.Qe4 Kd1 72.Ke3 Kc1 73.Kf2 Kd2 74.h5 d5 75.Qd5 Kc2 76.h6 Kb2 77.h7 Ka3 78.Qb5 Ka2 79.h8Q Ka3 80.Qhb2) 70...Ke1 (70...d5 71.h5 Ke1 72.Qg3 Kd1 73.Qf2 Kc1 74.Qa2 Kd1 75.Kd3 d4 76.Qd2) 71.Qf2! Kf2 72.h5 (72.h5 Kf3 73.h6+-) 1-0. petrobbo (2015) - Olar (2025), ChessWorld.net, 2015.

7.Nf3 Bb6 8.Be2 Bg4 9.0-0 Qd7 (9...0-0 10.d4=) 10.d3 (10.Bf6 gf6 11.Nc3 d5+/-) 10...h6 (10...Qe7 11.Nfd2 Be6 12.Bf3=) 11.Nbd2 (11.Bf6 gf6 12.Nc3 d5+/-) 11...0-0 (11...Qe7 12.Nc4=) 12.c4 (12.Bf6 gf6 13.d4 Rfe8+/-) 12...Rfe8 (12...Qe6 13.d4 d5 14.c5+=) 13.Re1 (13.Bf6 gf6 14.d4 f5+/-) 13...d5 (13...Qe6 14.d4 d5 15.Bc3=) 14.cd5 (14.Bf6!? gf6 15.d4+/-) 14...Nd5= 15.Nd4?? (15.Nc4 Be6+=) 15...Be2?? (better 15...Ne3 16.fe3 Re3-+) 16.Ne2= Nf6 (better 16...Re3 17.fe3 Ne3=) 17.Bf6+/- gf6 18.Nf4 (18.Ne4 Qe6+-) 18...Kg7 (18...Qf5 19.Ne4+/-) 19.Rc1 (19.Nh5 Kg6+-) 19...Re5 (19...Ba5 20.d4+/-) 20.Qf3 Rg5 (20...Ba5 21.Re2 Bd2 22.Rd2 Qd6+-) 21.Rc4 (better 21.Ne4+-) 21...Ne5+= 22.Qb7 Rg8 23.Re4 (23.Rec1 Nc4 24.Nc4 Qc8 25.Qc8 Rc8+/-) 23...Nd3 (23...Ba5 24.Rc1 Bd2 25.Rc7=) 24.Nd3 Qd3 25.Rd1?? (better 25.Nf3 Qd5 26.Qd5 Rd5 27.Rg4 Kf8 28.Rg8 Kg8 29.Kf1+=) 25...Kh7 (25...Qc2 26.Re1 Qd2 27.Rb1-+) 26.g3 (26.Rc4 Rg2 27.Qg2 Rg2 28.Kg2 Qe2-+ (28...Qa3?! 29.Kf1-/+)) 26...Qe2 (26...Qa3?! 27.Qc6=) 27.Rf1 Qd2 28.Qc6 Qd6 29.Qc2 (29.Qd6 cd6 30.Rb1 Rc8-+) 29...R5g6 (29...Kg7 30.Rb4-+) 30.Rd1 (30.Qb3 Rd8-+) 30...Qa3 31.Re7 (31.Rd7-+) 31...Qe7 32.Qc6 a5 33.Rd7 Qe8 34.Qd5 R8g7 35.Rd8 (35.Qb5 c5-+) 35...Qe6 36.Qd3 (36.Qa8 Rg8 37.Rg8 Rg8-+) 36...Qc6 (36...f5 37.Kf1-+) 37.Rd5 Qc1 38.Kg2 Qc6 39.Kh3?? (39.Kg1 a4 40.Rb5-+) 39...Qe6 40.Kg2 a4 41.Qd1 (41.Rd8 f5-+) 41...Qe7 (41...Qe4 42.Qf3 Qf3 43.Kf3-+) 42.Rd3 (42.Qa4 c6! 43.Rd1 f5-+) 42...a3 43.Rd7 (43.Qa4 Bc5-+) 43...Qe4 44.Kg1 Be3 (better 44...a2 45.Rd3 Rg5-+) 45.Qe2 Bf2! 46.Qf2 (46.Qf2 Qb1 Pinning; 46.Kf2 Qf5 Double attack) 46...Qb1 47.Kg2 a2 48.Rd2 a1Q 49.Rb2 (49.Rd1 Qe4 50.Qf3 Qa2 51.Rd2 Qd2 52.Kh3 Qf3 53.Kh4 Qh2) 49...Qe4 (49...Rg3 50.hg3 Qh1) 50.Kh3 Qb2! 51.Qb2 (51.Qb2 Rg5 Mate attack) 51...Qg4 (51...Rg5 52.Qf6 Rg3 53.hg3 Qh1) 52.Kg2-+ Qd1 (better 52...f5 53.Qc2 Re6 54.Qf2-+) 53.Qf2 Qd5 54.Kg1 Rg3! 55.hg3 (55.Qg3 Qc5 Double attack (55...Qc5 Decoy); 55.hg3 c5 Passed pawn) 55…Qd1 (55...Qd1 56.Kg2 Qd3-+) 0-1. brucepeng (2010) - LeAnoos (2055), lichess.org, 2021.

7.Nf3 Qe7 8.Be2 h6 9.0-0 Bg4 (9...0-0 10.d4=) 10.d3 h5 (10...0-0 11.Nd4 Bd7 12.Nc6 Bc6 13.Bf3=) 11.Nbd2+= Bd2 12.Nd2 0-0-0 (12...Be2 13.Qe2 h4 14.Rab1+=) 13.h3 (13.Bf6 gf6 14.Bg4 hg4 15.Qg4 Qe6 16.Qe6 fe6+/-) 13...Be6 14.c4 d5 15.cd5 Nd5 16.Nf3 (16.Bg7?! Rhg8 17.Bb2 Bh3=+; worse 16.Bh5 Qg5 17.Bf3 Rh3=+) 16...Rhg8 17.Nd4 Nd4 18.Bd4 g5 (18...Qg5 19.f4 (19.Bh5?! Rh8 20.Bg4 f5=+) 19...Qh6 20.Bh5+/-) 19.Bh5 (19.Ba7?! Nc3 20.Qe1 Ne2 21.Qe2 g4=) 19...f5 20.Bf3 (20.Ba7 g4 21.e4 gh3-/+) 20...g4 21.hg4 Qh4 (21...fg4 22.Be4+/-) 22.g3+- (22.Ba7?? Rh8 23.Bd5 Qh2) 22...Qh3 (22...Qh7 23.gf5 (23.Ba7 Rh8 24.Re1 Nc3-/+) 23...Bf5 A) 24.Ba7 Rh8 25.Bh5 Nc3-+ (25...Qh5?! 26.Qh5 Rh5 27.e4-/+); B) 24.Qb3+-) 23.Bg2 (23.gf5 Bf5 24.Qd2 Qh7+-) 23...Qh6 (23...Qg4!? 24.Rc1+-) 24.Qa4 (24.Ba7?! Rh8 25.Re1 Qh2 26.Kf1 fg4+-) 24...Nb6? (24...a6 25.gf5 Bf5 26.Rfc1+-) 25.Bb6 (better 25.Qa7 Bd5 26.Bd5 Rd5+-) 25...cb6? (25...ab6 26.Qa8 Kd7 27.Qb7 fg4 28.Qc6 Ke7 29.Qc7 Rd7 30.Qb6 Rd3 31.Rfd1+-) 26.Rac1 (better 26.Qa7 Rg7 27.Rfc1 Kd7 28.Qb7 Ke8 29.Qc6 Ke7 30.gf5+-) 26...Kb8 27.Qd4?? (better 27.gf5 Bf5 28.Qc4+-) 27...Rd4-+ 28.ed4 fg4 29.Rc3 (29.d5 Bf7-+) 29...Rh8 30.Rfc1 Qg5 (better 30...Qh5 31.Be4 Bd5-+) 31.Rc7 (31.Be4-+) 31...Bd5 32.Rd7 (32.R7c5 bc5 33.Rc5-+) 32…Qc1 (32...Qc1 33.Bf1 Rh1) 0-1. brucepeng (1990) - matthew7373 (2050), lichess.org, 2021.

7.Nf3 Bg4 8.Be2 0-0 9.0-0 Qe7 10.d4 d5 11.Nbd2 Bd2 12.Qd2 Ne4 13.Qc1 a5 14.h3 Bd7 15.c4 dc4 16.Bc4 a4 17.Bd3 f5 18.Qc2 Be6 19.Bc4 Bc4 20.Qc4 Kh8 21.Rac1 f4 22.Rfe1 Ng5 23.Ng5 Qg5 24.ef4 Qf4 25.Rc2 Rae8 26.Re8 Re8 27.Re2 Re7? 28.Re7 Ne7 29.Qa4 Qf7? 30.Qa8+– Qg8 31.Qb7 Nd5 32.a4 Qd8 33.a5 h6 34.a6 Nb6 35.a7 Kh7 36.d5! Qc8 37.Qc8 Nc8 1–0. Loulou – Nulnulnix, HCL–B1753 playchess.de, 2003.

7.Nf3 Bg4 8.Be2 Qe7 9.0-0 0-0 10.d4 Ne4 11.Nbd2 (11.d5 Ne5=) 11...Nd2 (11...Bc3!? 12.Ne4 Bb2=) 12.Nd2= Be2 13.Qe2 Bd2 14.Qd2 Rae8 (14...d5 15.c4 Rfd8 16.cd5 Rd5 17.Rae1=) 15.c4 Qg5 16.Rab1 White prepares d5 16...b6 17.h3 Na5 18.Qc3 Nb7 19.Rbd1 Re6 20.d5 Rg6 21.g3 Qh5 22.Kh2 f5 23.Rd4 Nd8 (23...Nc5 24.Qd2=) 24.Rh4+= Qg5 25.Qd4 Nf7 26.Rf4 Ne5 27.Kg2 Qh5 28.Qd1 Qg5 29.Be5 de5 30.Rh4?? (30.Rf3 e4 31.Rf4 a5=) 30...f4 (better 30...Qh4! 31.Qc2-+) 31.ef4?? (31.Qh5 f3 32.Kh2 h6+=) 31...ef4 (better 31...Qh4! 32.Kh2 Qf6 33.fe5 Qe5-+) 32.Rg4= Qf5 33.Rg6 f3 34.Kh2 Qg6 35.Re1 h6 36.Qd4 Qc2 37.Qe3 (better 37.Re7 Rf7 38.Rf7 Kf7 39.Qf4 Kg8 40.Qf3 (40.Qc7?? Qf2 41.Kh1 Qg2) 40...Qc4 41.h4=) 37...Qc4-/+ 38.Qe6 Kh8 39.Qe4 (39.Qe4 Qa2 40.Qd4 Qa3 41.Re6-/+). brucepeng (2010) - andyerazo (2020), lichess.org, 2020.

6.Bb2 Be6

7.Qf3 c6 8.Bd3 Nbd7 9.Nc3 0-0 10.Nge2 Ne5-/+ 11.Qf4 Nd3 12.cd3=+ d5 13.h3 Bc7-/+ 14.Qf3 Qd6 15.d4 Rae8 16.a4=+ Ba5 17.0-0 Rd8 18.Rfb1 Rfe8=+ 19.Ba3 Qc7 20.Qf4 Qf4 21.Nf4=+ Rb8 22.Bd6= Rbd8 23.Be5 Bc8 24.Bf6 gf6 25.Ra2 Kf8 26.Nh5 Ke7 27.g4 Rg8 28.Ne2?? f5-+ 29.f3 fg4 30.hg4 f5 31.Kf2 fg4 32.f4 Rdf8 33.Nhg3 Rh8 34.Rh1 Kd8 35.d3 Bc7-/+ 36.Nc3 Bf4 37.ef4-/+ Rf4 38.Ke2 Rf3-+ 39.Nf1 Re8 40.Kd2 Bf5 41.Kc1?? Re1 42.Kb2 Ref1 43.Rf1 Rf1 (43...Rf1 44.Kb3 Bd3-+) 0–1. S – NN, ChessWorld.net, 2005.

7.Nf3 0-0 8.c4 Re8 9.Be2 Na6 10.0-0 c6 11.d4 Bf5 12.Nbd2 Rc8 13.Rc1 Nb8 14.Nh4 (better 14.c5=) 14...Bd2-/+ 15.Qd2? (better 15.Nf5 Bc1 16.Qc1-/+) 15...Ne4-+ 16.Qb4 Qh4 17.Qb7 Re7 18.Qb4 Nd7 19.Ba1 Bg6 20.f3 (20.c5 dc5 21.dc5 Rd8-+) 20...Qg5 (20...Qh6 21.f4 Rce8 22.Qa5-+) 21.f4 Qh6 (21...Qh4 22.c5 dc5 23.dc5-+) 22.Bf3 (better 22.Qb7 Rce8 23.Qc6-+) 22...Rce8 23.Qa5 Qh4 24.Qa7 (24.Qe1 Qe1 25.Rfe1 Rb8-+) 24...Nd2 25.Rf2 (25.Bc6 Nb8 26.Qb6 Nc6 27.f5 Nf1 28.Rf1-+) 25...Re3 26.g3 (26.Qd7 Re1 27.Rf1 Nf1 28.Qe8 Re8 29.Rf1 Qf4 30.h4 Qh4 31.c5-+) 26...Qh3 27.Bg2 Re1 28.Re1 (28.Rf1 Nf3! 29.Kf2 R8e2 30.Kf3 Be4) 28...Re1 29.Rf1 Rf1 (29...Rf1 30.Bf1 Qf1) 0-1. jhonores (2230) - MANDAYARDA (2200), Rated Bullet game, lichess.org, 2020.

6.Bc3 Bb6

7.d4 Nbd7 8.Bd3 0-0 9.Ne2 c6 10.0-0 d5 11.Nd2 Bc7 12.Ng3 b6 13.e4 de4 14.Nde4 Nd5 15.Bd2 Nf4 16.Bf4 Bf4 17.Qf3 Bc7 18.Rad1 Bb7 (18...Nb8 19.c3+=) 19.Nf5+/– Nf6 20.Rde1 (20.Nh6 Kh8 21.Nf6 Qf6 22.Qf6 gf6+/–) 20...Ne4 21.Re4 (21.Be4?! g6 22.g3 Rb8= (22...gf5 23.Qf5 Qh4 24.gh4 Bh2 25.Kh2 Rfe8 26.Qh7 Kf8 27.Qh6 Ke7 28.Bf5 Kd8 29.Qd6)) 21...g6 22.Ne7 (22.Re7 Bc8 (22...gf5 23.Qf5 Bh2 24.Kh1 Kg7 25.Qg5 Kh8 26.Qh6 Qe7 27.Qh7) 23.Nh6 Kg7 24.Rf7 Rf7 25.Nf7 Qf6+/–) 22...Kg7= 23.Qe3 c5 24.Rh4 h5 (24...Kf6 25.g4 h5=) 25.Qg5 cd4? (25...Re8 26.Nf5 Kg8+–) 26.Rh5 (26.Rh5 Qe7 27.Qe7+–) 1–0. pcmvr – cristero (2490), net–chess.com, 2016.

7.Qf3 Nbd7 8.d4 0-0 9.Bd3 Re8 10.Ne2 c6 11.0-0 d5 12.Nd2 Bc7 13.g3 a5 14.e4?? de4-+ 15.Ne4 Ne4 16.Be4 Nf6 17.Bd3 Bg4 18.Bh7 Kh7 19.Qd3 Kg8 20.f3 Be6 21.Rab1 b5 22.Rfe1 Bc4 23.Qd2 Be2 24.Re2 Re2 25.Qe2 Qd6 26.Bb2 Re8 27.Qd3 Nd5 28.f4 Qe6 29.Kh1 Nf6 30.c3 Ng4 31.Kg1 Qh6 32.Qc2 Ne3 33.Qf2 Nc4 34.Bc1 Na3 35.Ba3=+ Qg6 36.Rd1 Re4 37.Kh1 Qe6 38.Bc5 Re2 39.Qf3 Qa2 40.Qh5 Qc2-+ 41.Rf1 Qd3 42.Qf3 Qf3 43.Rf3 f5 44.Kg1 Kf7 45.Rf2 Re1 46.Kg2 Ke6 47.Kf3 Kd5 48.Re2 Re2 49.Ke2 Kc4 50.Kd2 a4 51.Bb4 Bb6 52.h3 c5 53.dc5 Bc5 54.Bc5 Kc5 55.Kc2 Kc4 56.g4 Kd5 57.gf5 Ke4 58.Kb2 Kf5 0–1. marus2 – myar24, internet, 2001.

7.Qf3 Nbd7 8.d4 d5 9.Bd3 0-0 10.Ne2 a5 11.0-0 c6 12.Nd2 Re8 13.g3 (13.Nf4 Bc7=) 13...Qe7 14.Qf4 Nf8 15.Rfb1 Bc7 16.Qh4 (16.Qf3 Bg4 17.Qg2 Ne4=+) 16...Ng6 (16...h6 17.Nb3=+) 17.Bg6=+ hg6 18.Rb3 b5 19.a4 b4-+ 20.Bb2 Bf5 21.Rc1-/+ Qd6 22.c4?? Ne4-+ 23.Ne4 Re4 24.c5 Qd7 25.Nf4 Bd8 26.f3 Re8 27.Ng6 Bh4 28.Nh4 Bh7 29.Ng2 Re6 30.Nf4 Rh6 31.h4 Re8 32.Kf2 f6 33.h5 g5! 34.hg6 Bg6 35.Ng6 Rg6 36.g4-+ f5 37.Rg1 fg4 38.Ke1 g3 39.Rd3 Qh3 40.Rb3 Qh2 41.e4 Qg1 0–1. themonkey – neigrok, GameColony.com, 2002.

7.Qf3 Nbd7 8.d4 d5 9.Bd3 0-0 10.Ne2 c6 11.0-0 Bc7 12.g3 Nb6=+ 13.Qg2 Qd7 14.Bb4 Re8 15.Nbc3 Qg4 16.Rab1 Nc4 17.Bc4=+ dc4 18.f3 Qh5 19.g4 Qg5 20.Nd1 Qh4 21.e4 Ne4 22.fe4+= Bg4 23.Be1 Qh5 24.Ng3+/– Bg3 25.Bg3 Bh3 26.Qf3 Qf3 27.Rf3+– Re4 28.Nf2 Bg4 29.Ng4 (29.Ng4 Rg4 30.Rb7+–) 1–0. marus1 – myar24, internet, 2001.

5.Nf3 Nc6

6.c3? 0-0 7.Qb3 Ne5-+ 8.Ne5 d5 9.g3 Qe7 10.d4 c5 11.Qb5 Qd8 12.dc5 Ne4 13.Qd3 Nc5 14.Qc2 Re8 15.f4 f6 16.Nf3 d4 17.Kd1 dc3 18.Nbd2 Qd5 19.Rb1 Bf5 20.e4 Re4 21.Be2 Re2 22.Qf5 Rd2 23.Kc1 Qa2 24.Qc5 Qc2 0–1. rla – jaskier (2145), internet, 2007.

6.c3? Ne5 7.Ne5 d6 8.Nc4 -/+.

6.Bc3 0-0 7.Ba5 Na5 8.Nc3 d5=+ 9.e3 Bg4 10.Be2 Ne4 11.Ne4 de4 12.Nd4 Be2 13.Qe2 c5 14.Nb3 Nb3 15.cb3 Qd5 16.Qc4 Rfd8 17.Rd1 Qc4-/+ 18.bc4 Rd3 19.0-0 Rad8-+ 20.Rb1 b6 21.a4 Rd2 22.h3 f6 23.Rfc1 Ra2 24.Ra1 Rdd2 25.Rf1 Rf2!! 26.a5 Rg2 27.Kh1 Rh2 (28.Kg1 Rag2) 0–1. wlittle (2155) – fdjr (2000), net–chess.com, 2004.

6.Bc3 Bc3 7.Nc3 0-0 =.

6.Bf4 d6 7.Bg5 Bg4 8.h3 Bf3 9.gf3 h6 10.Bf6 Qf6-/+ 11.c3 0-0-0 12.e4 Rhe8 13.a4 d5 14.Bd3 de4 15.fe4?? Bb6 16.f3?? Rd3 17.Na3 Rf3 18.Qe2-+ Qf4 19.0-0-0 Rc3 20.Kb2 Bd4 21.dc3 Re4 22.Rd4?? Re2 23.Nc2 Nd4 24.cd4 Qd4 25.Kc1 Qd2 26.Kb1 Qc2 27.Ka1 Qb2 0–1. wee harv – Castlegrande, ChessWorld.net, 2005.

6.g3 Ne5 7.Ne5 d6 8.Nc4 Bb6 9.Nb6 ab6 10.Bg2 0-0 11.0-0 c6 12.d4 d5 13.Re1 b5 14.c3 Re8 15.Nd2 Bf5 16.Nb3 Qd6 17.Qc1 Ra7 18.e3 Rea8 19.Re2 Ra3 20.Ra3 Qa3 21.Qb2?? Bd3 22.Rd2 Ne4 23.Qa3 Ra3 24.Rd3 Rb3 25.Be4 de4 26.Rd1 Rc3 27.Kf1 Kf8 28.Ke2 Rc2 29.Ke1 Ke7 30.d5? c5 31.d6 Kd7 32.h4 b4 33.Rd2 Rd2 34.Kd2 Kd6 35.g4 c4 0–1. wlittle (2300) – frozenfritz (1920), net–chess.com, 2003.

6.Bb2 0-0

7.c3 d5 8.e3 Bf5 9.d4 Ne7 10.Be2 Qd6 11.0-0 c5 (11...Qb6 12.Ra2=) 12.Qa4 (12.dc5 Qc5 13.Qb3 Rac8=) 12...Bc7 (12...Qb6 13.Ra2=+) 13.Nbd2 (13.dc5!? Qc5 14.c4=) 13...c4=+ 14.Qb4 Qd7 15.a4 Nc6 16.Qa3 Ne4 17.Ne4 Be4 (17...de4?! 18.Nd2=) 18.g3 (18.Nd2!? Bc2 19.Bf3=+) 18...Qg4-/+ 19.Kg2 h5 (better 19...Rfe8-+) 20.Rae1? (better 20.h3 Qe6 21.Kh2-/+) 20...h4-+ 21.h3 Qf5 (better 21...Qg6!? 22.Rg1-+) 22.g4 Qf6 (better 22...Qg6 23.Kg1 f5-+) 23.Kg1?? (better 23.Bc1-+) 23...Bf3 24.Qb3 (24.Bc1 Rae8 25.Bf3 Qf3 26.Qb2-+) 24...Be2 (24...Qd6 25.Bf3 Qh2) 25.Qb7-+ Qd6 26.f4 (26.Qc7 Qc7 27.Re2 Rfe8-+) 26...Bf1 27.Qa8 Ra8 28.Ba3 Qa3 29.Ra1 Qa1 30.g5 Bh3 31.Kf2 (31.Kh2 Qf1 32.e4 Bf4) 31…Qf1 0-1. bvamrx (1985) - YTurm (2000), lichess.org, 2021.

7.e3 d6 8.Be2 Bg4 9.h3 Bh5 10.0-0 Re8 11.Nd4 Be2 12.Qe2 Nd4 13.Bd4 Re6 14.d3 Qe7 15.c4 d5 16.cd5 Nd5 17.Qh5 (17.Qf3!? Rd8 18.Rc1+=) 17...Rd8-/+ 18.Rc1 (18.Ra2!?-/+) 18...Nf4!-+ 19.Qg4 (19.ef4 Re1 Double attack (19...Rd4 Discovered attack; 19...Rd4 Deflection; 19...Rd4 Decoy)) 19...Rd4! 20.Nc3?? (20.ed4 Re1 Double attack) 20...Bc3 21.Rc3 Rg6 22.Qc8 Rd8 23.Qc7 Qg5 24.g3 (24.Qd8 Qd8 25.ef4-+) 24...Ne6 (better is 24...Nd5 25.Qc8 h5-+) 25.Qb7 Nc7?? (25...Qf5 26.h4 Rf6-+ (26...Rd3 27.Qb1 Rf6 28.Qd3 Qf2 29.Kh1 Qf3 30.Kh2 Qf2 31.Kh1 Qf3 32.Kh2 Qf2 33.Kh1=)) 26.Qc7+– Rd3?? (26...Rb6+–) 27.Rb1 Rgd6 (27...h6 28.Rd3 Qf5+–) 28.Rb7 (28.Rb8 Rd8 29.Rd3 g6 30.Rdd8 Kg7 31.Rg8 Kh6 32.Qf7 Qe5 33.Rb7 Qa1 34.Kh2 Qf6 35.Qf6 Kh5 36.Rh7) 28...Rd7?? (28...Rd1 29.Kg2 Qf6+–) 29.Rb8 Rd8 30.Rb4 0–1. Macedo,A Soares De (1980) – Carvalho,Felipe Lobo C (2115), Campeonato Potiguar Absoluto De Xadrez, 2009.

7.g3 d5 8.Bg2 Bd7 9.0-0 Qe7 10.Bf6 Qf6 (worse is 10...gf6 11.Nc3 Be6 12.e3=) 11.c3 Rfe8 12.d4 Bb6 (12...Bg4!?-/+) 13.Nbd2+= Re7 14.e3 a5 (14...Rd8 15.c4 Be6 16.c5=) 15.a4 (15.c4 Be6+=) 15...Rae8 16.Qc2 (16.Qb3 Be6=) 16...Ba7 (16...Bf5 17.Qb3 Rd8 18.c4 dc4 19.Nc4=) 17.h4 (17.Qb3 Qd6+=) 17...Bb8 (17...Bf5!? 18.Qb3 Qd6=) 18.Ng5 Bf5 19.Qd1 (19.Qb3!? h6 20.Nh3+=) 19...h6= 20.Nh3 Nd8 21.Nf4 (21.Nf4 c6 22.Qb3+=). Baer,Cy (1895) – Kirstein,Hans, RSS7E basic–1, 2008.

7.g3 Re8 8.Bg2 d6 (8...d5 9.0-0+=) 9.0-0 Bg4 10.h3 Bh5 11.d3 Rb8 12.Nbd2 d5 (12...Nd5 13.Rb1+=) 13.Rc1 (13.Nb3 Bb6=) 13...d4 14.Nb3 Bb6 15.c4 dc3 16.Rc3 Na5 (better is 16...Qd6!? 17.d4 Rbd8+=) 17.Na5+= Ba5 18.Rc5 Bf3 19.Bf3 Bb6 20.Rc4 Nd7 (20...Qd6 21.Kg2+=) 21.d4 c5 (21...c6!?+/–) 22.dc5+– Bc5 23.Qc2 (23.Bg4 Re7+/–) 23...b6 (23...Qc7 24.Kg2 Rbc8 25.Be4+/–) 24.Rd1 Qc7 25.Kg2 Ne5 26.Rh4 Ng6 27.Rh5 Rbc8 (27...Bd6 28.Qc7 Bc7 29.Rd7+/–) 28.Qc3 (28.Qd3!? Rcd8 29.Qc3 f6 30.Bd5 Kh8+–) 28...Bf8+/– 29.Qe1 (29.Qd4 Rcd8 30.Rd5 Rd5 31.Qd5 Bc5+/–) 29...Qc2 (29...Ne5!? 30.Bd5 g6 31.Re5 Re5=) 30.Rd2+– Qa4 31.Bg4 (31.Qb1 Rc7+–) 31...Rcd8+/– 32.Rhd5 (better is 32.Rd8!? Rd8 33.Qc3+/–) 32...Rd5= 33.Rd5 Qb3 34.Bd7?? (better is 34.Qd2 Ba3 35.Bc3=) 34...Qd5-+ (34...Qd5 35.Kh2 Qd7-+) 0–1. Macedo,A Soares De (1845) – De Paiva,Gidilaf Xavier, Natal Brazil, Potiguar Open, 2016.

7.e3 d5

8.c4 Bf5 9.cd5 Qd5 10.Be2 (10.Bf6 gf6 11.Nc3 Qd6+=) 10...Ne4 11.0-0 Nc5 12.Nc3 Qe6 13.Ng5 (13.Nb5!?=) 13...Qg6=+ 14.f4 (14.d4 Nd3 15.Bd3 Bd3=+ (< 15...Qg5 16.Ne4 Qg6 17.Qc2+=)) 14...h6 (14...Bc2 15.Bh5 Qd3 16.Qe1-/+) 15.Bh5 Qd6 16.Nf3 g6 (16...Nd3 17.Qc2-/+) 17.Nh4=+ Bd3 18.Be2 Rad8 19.Nf3 Rfe8 20.Bd3 Nd3 21.Qc2 a6 22.Rad1 (22.Rab1 Qc5=+) 22...Bb6 (22...Qc5 23.Rb1-/+) 23.Kh1 Na5 (23...Rd7=+) 24.Nb1? (better is 24.Ne5!? Ne5 25.fe5=+) 24...Nb2-/+ 25.Qb2 Nc4 (better is 25...Re3 26.Ne5 Rb3-/+) 26.Qa2?? (better is 26.Qb3 Qd3 27.Nc3-/+) 26...Ne3!-+ 27.Ne5 Qd5 28.Qd5 Nd5 29.Ng4 h5 30.Ne5 Nf4! 31.Nf7 Kf7 32.Rf4 Kg7 33.g4 Be3! 34.Rc4 c5 35.gh5 gh5 36.d3 Bd4 37.Nc3? b5 38.Rd4 Rd4 39.Kg2 c4 40.Kf3 Re3 41.Ke3+– Rd3 42.Rd3 cd3 43.Kd3 Kg6 44.Kd4 Kf5 45.Kc5 Kg4 46.Ne2 Kf3 47.Nd4 Kg2 48.h4 Kg3 49.Nf5 Kg4 50.Ng7 Kh4 51.Kb6 Kg5 52.Nh5! Kh5 53.Ka6 Kg6 54.Kb5 Kf7 55.Kc6 Ke7 56.Kc7 Ke6 57.a4 1–0. Krc,Milan – Kacalek,Tomas (1710), Brno Gargulak mem–A, 2004.

8.Be2 d4 9.ed4 Bg4 10.c3 Re8 11.0-0 Ne4 12.h3 Bh5 13.d3 Nf6 14.Nbd2 a6 15.Nc4 b5 16.Nce5 Ne7 17.Re1 Ng6?? (better is 17...Nfd5 18.Qb3 f6+=) 18.Nc6+– Qd6 19.Na5 Nf4 20.Nb7 Qd5 21.Nc5 Ne2 (21...Qf5 22.Kh2 Nh3 23.gh3 Bf3 24.Bf3 Re1 25.Qe1 Qf3+–) 22.Re2 Bf3 23.gf3 (better is 23.Re8!? Re8 24.Qf3 Qf3 25.gf3 Re2+–) 23...Qg5 24.Kh1 Qh4 25.Re8 Re8 26.Qf1 Nd5 27.Ne4 Re6 28.Bc1 1–0. combijack (1770) – la_vidas (1615), gameknot.com, 2011.

8.Be2 Re8 9.0-0 =.

8.Be2 Bf5 =.

8.h3 Re8 9.Be2= Bf5 10.Nc3 d4 11.ed4 Nd4 12.Nd4 Qd4 13.0-0 Rad8 14.Rb1 Qd2-+ 15.Qd2 Rd2 16.Bd3 Bd3 17.cd3 Rd3 18.Rbc1 Red8 19.Ba1 c6 20.Ne2 Ne4 21.Nf4 Ra3 22.Rcd1 Rd1 23.Rd1 Ra2 24.Bd4 Rd2 (25.Rd2 Bd2-+; 24...c5 25.Ra1 Ra1 26.Ba1-+) 0–1. Reussner,Hans_Dieter – Conrad,Werner, DESC, 2001.

6.Bb2 d5

7.c3 0-0=+ 8.e3 Bg4 9.Be2 Ne7 10.d4 Rc8 11.0-0 c5 12.Nbd2 c4 13.a4 Re8 14.e4 (14.Rc1!?=+) 14...de4 15.Ne5 Be2 16.Qe2 Qd5 (16...Ned5!? 17.Ndc4 Bc3-/+) 17.Nec4 (17.f3 ef3 18.Qf3 Ng6 19.Ndc4 Qf3 20.Rf3 Ne5 21.Ne5 Bc7=+) 17...Bc7 18.Ne3 Ng6?? (better 18...Qd6 19.g3 Nc6=+) 19.Nd5+- Nd5 20.g3 (20.Ne4!? Ndf4 21.Qf3 Nh4+-) 20...f5 21.c4 Nb4 (21...Nf6 22.Rfe1+-) 22.c5 (22.Bc3 Nc6+-) 22...Rcd8 (22...Nd3 23.f3 Nb2 24.fe4+-) 23.Qc4 (23.Qb5!? Nd3+-) 23...Nd5 24.Nb1 Kh8 (24...Nge7 25.Nc3+-) 25.Nc3 Nf6 26.Rad1 Ne7 (26...f4 27.d5+-) 27.d5 Ba5 (27...Be5 28.d6 Nc6 29.f4 ef3 30.Rf3+-) 28.d6 (28.Nb5 Nfd5 29.Nd6 Rf8+-) 28...Bc3 29.Bc3 Nc6 (29...Neg8 30.Rd5! f4 31.Re5+-) 30.Bf6 gf6 31.Qf7 Rf8 32.Qb7 Ne5 33.f4 Nf3 (33...ef3 34.Qa7 Rc8 35.Qb7+-) 34.Rf3 ef3 35.Qf3 (35.Qf3 Kg7 36.c6+-) 1-0. bvamrx (1910) - MouseSlip (2050), lichess.org, 2021.

7.e3 0-0 8.Be2 Bf5 9.0-0 Re8 10.d3 Bb6 11.h3 Qd7 (11...d4 12.e4 Be6 13.Ng5=+) 12.Nh2 (12.Bf6 gf6 13.d4 Ba5+=) 12...Re6 (12...d4 13.e4 Be6 14.Ng4=+) 13.Nd2 (13.g4 Bg6 14.g5 Ne8+=) 13...Rae8 (13...d4 14.e4 Qe7 15.Nhf3=) 14.Ndf3 (better 14.g4!? Bg6 15.g5+=) 14...h6 15.Nh4 Ne7 (15...Bh7 16.Ng4 d4 17.Nf6 Rf6 18.e4=+) 16.Nf5= Nf5 17.Ng4 d4 18.Nf6 Rf6 19.e4 Nh4 20.Bg4 Qd6 21.g3 Rg6 22.f4 (better 22.Bc1+–) 22...f5? (better 22...h5 23.gh4 hg4 24.hg4 Qe6+=) 23.ef5+– (23.gh4?! fg4 24.hg4 Rge6+=) 23...Nf5 24.Bf5 Rg3 25.Kh2 Ree3 26.Bc1 (better 26.Bg4 Qd5 27.Rf2+–) 26...Qd5= 27.Rg1?? (27.Be4 Qe6 28.f5-+) 27...Rg1-+ 28.Kg1 (28.Bh7 Kh7 29.Qg1 Re2 30.Kg3-+) 28…Qf5 (28...Qf5 29.Be3 de3=; 28...Rg3 29.Kf2 Qg2 30.Ke1 Qg1 31.Ke2 Qh2 32.Ke1 Rg1) 0–1. Kislov,Leonid – Tsalko,Vadim, Half Omsk, 2009.

7.e3 0-0 8.Be2 Bf5 9.0-0 Re8 10.d4 Ne7 11.Nbd2 c6 12.c4 Bc7 13.Rc1 Ng6 14.Qb3 Qe7 15.Rfe1 Rad8 16.cd5 Nd5 (16...cd5 17.Bb5 Rf8=) 17.Nc4 (better is 17.e4!? Be4 18.Bd3+/–) 17...Be4 18.Nce5 (18.Nfd2 b5 19.Ne5 A) worse is 19...Be5 20.de5 (worse is 20.Ne4 Bh2 21.Kh2 Qe4+=) 20...Bf5 21.e4+=; B) 19...Ne5 20.Ne4 Nc4=) 18...Kh8 (18...Ne5 19.Ne5 f6 20.f3+=) 19.Ng6 fg6 20.Nd2 Bf5 21.Bf3 Be6 22.Qc2 Rf8 23.Nb3 (23.e4 Nb6+=) 23...Qg5 (better is 23...Qd6 24.Nc5 Qh2 25.Kf1 Bh3-+) 24.Kh1?? (24.Nc5 Bc8 25.Bd5 Qd5+=) 24...Rf7 (better is 24...Rf3 25.Nc5 Qh5-+) 25.Nc5= Bc8 26.e4 Nf4 27.g3 Nh3+= 28.Qe2? Rdf8-+ 29.Bg2 Rf2 30.Qe3 Qe3 31.Re3 Rb2 0–1. Paziak,Patryk (1740) – Blaszczuk,Andrzej, Gdansk Poland, 2012.

6.Bb2 d6

7.Nc3 Bf5 8.d3 (better is 8.e3!?=) 8...Nd5-/+ 9.Qd2 Qf6 10.d4 Nc3 (10...Be4!-/+) 11.Bc3+= Bc3 12.Qc3 Rc8 (12...Be4 13.e3+=) 13.e3 0-0 14.Qd2 (14.Bd3 Rfe8=) 14...Ne7 15.Rb1 b6 16.Ba6 Rcd8 17.0-0 c5 18.Bd3 Bh3 19.c3 Ng6 20.Rfe1 Bc8 21.Qc2 Bb7 22.Be4 Be4 23.Qe4 Rd7 24.Qg4 Re7 25.h4 Rfe8 26.h5 Re4 27.Qg3 Ne7? 28.Ng5+– Nf5 29.Ne4 Re4 30.Qf3 d5 31.dc5 g6 32.hg6 hg6 33.cb6 ab6 34.c4! Qg5 35.Rb6 Nh4 36.Qh3 Rg4 37.g3 Nf3 38.Kh1 Nh4 39.f4 Rg3 40.fg5 Rh3 41.Kg1 Nf3 42.Kf2?? Ne1+= 43.Ke1 dc4 44.Kf2 Rh2 45.Kf3 Ra2 46.Rc6 Rc2 47.a4 Rc3 48.a5 Ra3+= 49.a6 c3 50.Kf4 c2 51.Rc8 Kg7 52.a7 Ra2 53.a8Q Ra8 54.Rc2 Ra1 55.e4 Rf1 56.Kg3 Rg1 57.Kf4 Rf1 58.Ke5 Rg1 59.Kf4 ½–½. Bou Dahr,Ezz Eddine – Ward,Serge, Beirut op 3rd, 2009.

7.e3 Bg4 8.Be2 0-0 9.h3 Bh5 10.c4 Ne4 11.0-0 a6 12.Qc2 Bg6 13.d3 Nc5 14.Nc3 f6 15.Nh4 Bf7 16.d4 Nd7 17.Rfd1 Qe8 18.Bd3 g6 19.Nf3 Ne7 20.Ne4 d5 21.Ng3 c6 22.e4 de4 23.Ne4 Bc7 24.d5 cd5 25.Nf6 Nf6 26.Bf6 Be6 (better is 26...dc4!? 27.Qc4 Bc4 28.Bc4 Qf7 29.Bf7 Rf7+=) 27.Bb2+/– Nc6?? (better is 27...Rd8+/–) 28.cd5+– Bd5 29.Bg6 (better is 29.Qc3 Be5 30.Ne5 Ne5 31.Qe5 Qe5 32.Be5+–) 29...Qg6+/– 30.Qg6 hg6 31.Rd5 Rad8 32.Rad1 Rf5 33.Rd8 Bd8 34.Rd7 Rf7 35.Rd6 Kh7 36.Bc1 Kg7 37.Be3 Be7 38.Rd7 (better is 38.Rd3+/–) 38...Ba3+= 39.Rd3 Bb2 40.Ng5 Re7 41.Rb3 Bf6 42.Nf3 Ne5 43.Nd2 b5 44.Kf1 Nc4 45.Ke2 Nd2 46.Kd2 Rd7 47.Kc2 Rc7 48.Kd3 Be7 49.g3 b4 50.Bd4 Kf7 51.Ke4 Rc8 52.Kd5 a5 53.Rf3 Kg8 54.Ke6 (better is 54.Re3!? Rd8 55.Kc4+=) 54...Bf8-/+ 55.Kd7 Ra8 (55...Rc4 56.Be5 Re4 57.Ba1-+) 56.Kc6? (better is 56.Rf6!?=) 56...a4-/+ 57.Kb5 a3 58.Re3? (58.Rf6!? Rb8 59.Ka4-/+) 58...a2 (58...b3 59.Rb3 Bg7 60.Bg7 Kg7 61.Rd3-+) 59.Re1? (better is 59.Re6 Kh7 60.Rf6-+) 59...b3 60.Kc4 Bg7 61.Bg7 Kg7 62.Kb3 a1Q 63.Ra1 Ra1 64.Kc4 Rf1 65.f4 Rh1 66.Kd4 Rh3 67.g4 Rh4 0–1. combijack (1800) – thechessdad (1630), gameknot.com, 2011.

7.g3 0-0 8.Bg2 =+.

7.g3 Bf5 8.Bg2 Qe7 9.0-0 0-0-0 10.c4 Rhe8 11.e3 Ne5 12.Ne5 de5 13.Nc3 Bd3-/+ 14.Re1 Bc3 15.Bc3=+ Bc4 16.Qa4= Ba6 17.Bc6 Nd7 18.Bg2 Qc5 19.Rab1= Nb6 20.Qg4 Kb8 21.Bb4 Qc2= 22.Qg7 Qg6 23.Qg6 hg6 24.Rec1 Bd3 25.Rb3 e4 26.Ba5 Nd5 27.f3 f5 28.fe4 fe4 29.Bf1 Bf1=+ 30.Kf1 b6 31.Bc3 Nc3-/+ 32.Rbc3 Rd2 33.Rc7 Rh2 34.Kg1 Reh8 35.g4 Rh1 36.Kg2 Rc1 37.Rc1-/+ Rf8 38.Rc4 Re8 39.Rc6 g5 40.Rf6 Re5 41.Rf5 Rc5 42.Kf2 a5 43.Ke2 Kc7 44.Kd2?? Rf5 45.gf5 Kd6 46.f6 Ke6 47.f7 Kf7 48.Kc3 Ke6 49.Kd4 Kf5 (50.a4 g4-+) 0–1. Pena,Patrick – Long,Sam, AUS–ch U18 Sydney, 2002.

5.Nf3 d5

6.Bb2 0-0 7.e3 c5 8.Be2 Nc6 9.0-0 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

6.g3 c5 7.Bg2 Nc6 8.Bb2 Be6 9.0-0 0-0 10.e3 Qd7 (10...d4 11.d3=+) 11.d4 (11.Bf6 gf6 12.d4 b6=) 11...cd4 12.Nd4 Nd4 13.Bd4 Bh3 14.Bf6 gf6 15.Nd2 (Better is 15.Bh3!? Qh3 16.Qd5+/–) 15...Bg2= 16.Kg2 Rfd8 17.Nf3 Bc3 18.Rb1 b6 19.Rb3 Rac8 20.Qd3 Be5 21.Rc1 Rc4 22.Ne5 fe5 23.Rd1 Qc8 24.c3 f5 25.Rc1 f4 26.ef4 ef4 27.Rb2 fg3 28.hg3 Qc6 29.Rh1 d4 30.Kg1 Rd7 31.Re2 Rf7 32.cd4?? Rc1 33.Kh2 Qh1# (33...Rh1?!=) 0–1. abkicker11 – AfraidToLose, Live Game Caissa's Web, 2004.

6.e3 0-0

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.a3 Ba5).

7.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.Nf3).

7.c4 c5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5 7.a3 Ba5).

7.Be2 c5 8.0-0 Nc6 9.Bb2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5 6.Be2 c5 7.0-0 Nc6 8.Bb2 Re8 9.a3 Ba5).

7.Be2 c5 8.c4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 c5 7.a3 Ba5 8.Be2).

6.e3 c5

7.Bb5 Nc6 8.0-0 0-0 9.Bc6 bc6 10.d3 Re8 11.Nbd2 c4 12.Qc1 (12.Rb1 Ba6 13.Qe2 Nd7+=) 12...c5 (12...Ba6 13.Bf6 Qf6 14.dc4 dc4 15.Rd1-/+) 13.Rd1 Bg4 14.Bg3 c3 15.Nb3 Bb6 16.a4 a5 17.Re1 Bf3 18.gf3 Rc8 19.Qd1 Qd7 20.Nc1 d4 21.e4 Qc6 22.Rb1 Bc7 23.Rb5 Rb8 24.Rb8 Rb8 25.Nb3 Nd7 26.Na5 Ba5 27.Bb8 Nb8 28.Qb1 Bc7 29.Qb5 h6 30.h4 c4 (30...Kf8 31.h5+=) 31.Rd1 (better is 31.dc4!? Qg6 32.Kf1=) 31...cd3-/+ 32.Rd3 Qg6 33.Kf1 Nc6 34.Qb7 Bd8 35.h5 Qd6 36.Rd1 Qe6 37.Kg2 Kh7 38.e5 g6 (38...Ne5 39.Qe4 Kg8 40.Rd4+=) 39.Rd3 g5 (39...Ne5?! 40.Rd4 Bb6 41.Rb4=) 40.Qb5 Bc7 41.Rd1 Be5 42.a5 (42.Re1 Kg7-+) 42...g4 43.Qd3 Kg7 44.Qe4 (44.Rg1 Na5 45.fg4 Nc4-+ (45...Qg4?? 46.Kf1 Qg1 47.Kg1+–)) 44...gf3 45.Qf3 Na5 46.Qe4 (46.Rg1 Nc4 47.Kf1 Kf8 48.Qa8 Ke7 49.Qb7 Kd6 50.Qa6 Kd5 51.Qb7 Kc5-+) 46...Nc4 47.Rd4 (47.Re1 Kh8-+) 47...Bd4 48.Qd4 Ne5 49.Qc3 Qf5 50.Qd4 Qh5 51.f4 Qg4 52.Kf2 f6 53.Qe4 (53.Qe3 Qf5 54.Kg1 Ng6 55.Qa7 Kf8 56.Qa3 Kf7 57.Qb3 Ke7 58.Qb4 Ke8 59.Qa4 Qd7 60.Qe4 Kf7-+) 53...h5 54.Qb7 (54.c4 Ng6 55.c5 Qh4 56.Ke3 Qe1 57.Kd3 Qb1 58.Ke3 Qg1 59.Kf3 Qc5-+) 54...Nf7 0–1. forsetinn (2435) – maltedk (2335), gameknot.com, 2015.

7.Bb5 Nc6 8.0-0 0-0 9.Bc6 bc6 10.d3 Re8 11.Nbd2 Bg4 12.Bb2 -/+.

7.Bb5 Nc6 8.0-0 0-0+= 9.Bc6 bc6 10.d3 Re8 11.Nbd2 Bg4 12.Bg3 Nh5 13.Bh4 Qd6 14.h3 Bc8 15.Kh1 h6 16.Nh2 Qg6 17.Rg1 Ba6 Black plans c4 18.Rc1 c4 (18...Rab8!?-/+) 19.dc4 dc4 20.c3 Bc7 21.Ndf3 Nf6 22.Bf6 Qf6 (worse is 22...gf6 23.Qd7 Rac8 24.Ng4+/–) 23.Qd7 Rac8 24.Rgd1 h5 25.Qd4 Qe7 26.Qd7 Qd7 27.Rd7 Red8 28.Rd8 Rd8 29.Nf1 Rb8 30.a4 Rb2 31.Kg1 Ra2 32.Ng3 Bg3 (32...g6 33.Ne4-/+) 33.fg3+= Ra4 34.e4 (34.Rd1!?+=) 34...Bb5 35.e5 Kf8 (35...Ra3!?-/+) 36.Ng5= Ra3 37.Kf2 (37.Rf1 f6 38.ef6 gf6 (38...Rc3 39.Ne6 Kf7 40.fg7 Ke6 41.g8Q Kd6 42.Qf8 Kd5 43.Qf5 Kd6 44.Qf6 Kc7 45.Qc3 a6 46.Qd4 c5 47.Rf7 Bd7 48.Qc5 Kd8 49.Qa7 Kc8 50.Qd7 Kb8 51.Qb7) 39.Rf6 Ke7 40.Rf7 Ke8+=) 37...Ra2 (37...Ke7!?-/+) 38.Kg1+= Ke8 39.e6 (39.Rf1!?+=) 39...f6-/+ 40.Ne4 Ke7 41.Nc5 Ba4 42.Rb1 Bb3! 43.Nb3 cb3 44.Rb3 Ke6 45.Rb7 g6 46.Rc7 Kd5 47.Rg7 g5 48.Rh7 (48.h4 gh4 49.gh4 Ra4+=) 48...Ra1 49.Kh2 (49.Kf2!?-/+) 49...a5-+ 50.h4 a4 51.Rh5 a3 52.Rh7 Kc4 53.Ra7 Kb3 (53...Kc3?! 54.h5+=) 54.h5 Re1 55.h6 a2 56.h7 Re8 57.Rb7 Kc3 58.Ra7 Kb2 59.Rb7 Ka1 60.Rg7 Rh8 61.Kg1 c5 62.Rb7?? (62.Kf2 c4 63.Ke3-+) 62...c4 63.Kf1 c3 64.Ke2 Rd8 0–1. forsetinn (2425) – daxthedog (2195), gameknot.com, 2015.

7.Bb5 Nc6 8.Nc3!? =.

7.Bb5 Nbd7 8.Bd7 (8.0-0 0-0 9.Bf4 Nb6+=) 8...Bd7+= (worse is 8...Kd7 9.0-0+/–) 9.0-0 Bc6 10.d3 0-0 11.Nbd2 Ng4 12.Bf4 Bc3 13.Rb1 Re8 14.Rb3 Qa5 15.h3 Ne5 16.Ne5 Be5 (worse is 16...Bd2 17.Nc6 bc6 18.Qg4+/–) 17.Be5 Re5 18.d4 Re7 19.dc5 Qc5 20.Nf3 Bb5 21.Re1 Bc4 22.Rc3 Qb5 23.Qb1 Qd7 24.Nd2 Ba6 25.Rd1 Be2 26.Re1 d4 27.ed4 Qd4 28.Rd3 Qf6 29.Qb4 Rae8 30.Rd6 Ba6 (30...Qg5!?=) 31.Rf6+= Re1 32.Kh2 gf6 33.Qh4 R1e6 (33...Kg7 34.f3 R1e6 35.Ne4+/–) 34.Nf3 Rb6 35.Qg4 Kh8 36.Qd7 Rf8 37.a4 Rg8 (37...h6 38.Nh4 Bc4 39.Qd2+–) 38.a5+– Re6 (better is 38...Rc6+–) 39.Qf7 Rc6 40.Nh4 b6?! (40...Bf1+–) 41.Qd7 Bb5 42.Nf5 (42.Nf5 Rc5 43.Qe6+–) 1–0. forsetinn (2440) – pawnraider (2045), gameknot.com, 2015.

7.c4 Nc6 8.Bc3 Bc7 9.Qc2 d4=+ 10.ed4 cd4 11.Bb2 0-0 12.d3 Bf5 (12...Re8 13.Be2-/+) 13.Be2 Re8 14.0-0 Ng4 (14...Nh5 15.Bc1-/+) 15.h3 (15.Re1 Qd6 16.c5 Qg6=+) 15...Nge5-/+ 16.Nbd2 Qd6 17.c5 (17.Rfd1 Rad8 18.Kh1 Qh6-/+) 17...Qd7 (17...Qg6!? 18.Ne4 Nf3 19.Bf3 Bh3-+) 18.Rfe1 (18.Rae1 Rac8=+) 18...Re6 (18...Re7 19.Ne5 Be5 20.Nf3=+) 19.Bf1 (19.Nh4 Re7=) 19...Rae8 20.Rad1 (20.Nh4 Ng6 21.Re6 Be6 22.Ng6 fg6=) 20…Qd8 0-1. bvamrx (2005) - Mbah_Gesper (2130), lichess.org, 2021.

7.Be2 Nc6 8.0-0 Ne5 9.Ne5 0-0 10.c4 d4 11.d3? (better 11.Qb3=+) 11...Re8-+ 12.Nf3 de3 13.fe3 (13.h3 ef2 14.Rf2 Qd6-+) 13...Ng4 14.e4 Ne3 15.Qc1 Nf1 16.Bf1 Bg4 17.Nbd2 Bd2 18.Nd2 Qd4 19.Kh1 Rad8 20.h3 Bc8 (20...Bh5 21.Ra2-+) 21.Nf3 Qd6 22.Qb2 (22.Qg5 Qb6-+) 22...b6 23.Rd1? (23.Be2-+) 23...Re4! 24.de4 (24.Kg1 Ree8-+) 24...Qd1 25.Qf2 Be6 26.Kh2 h6 (26...Qc1 27.Be2-+) 27.Be2 Qc1 28.Qg3 (28.Qh4 Re8 29.e5 Qe3-+) 28...Qa3 29.Qf4 (29.Qh4 Re8-+) 29...Qc3 (29...Qa2 30.Qe3-+) 30.Ne5 Qd2 31.Qf2 (31.Qf3 Qe1 32.Nc6 Rd2-+) 31...Qd6 32.Qg3 f6 33.Ng6 Qg3 34.Kg3 Rd2 (34...Rd4!? 35.Ne7 Kf8 36.Nc6 Re4 37.Kf3-+) 35.Kf3 Re2! 36.Nf4 (36.Ke2 Bc4 Combination) 36...Bc4 37.Ne2 Be2 38.Ke2 (38.Ke3 b5-+) 38...Kf7 39.Kd3 Ke6 40.Kc4 Ke5 41.g4 Ke4 42.h4 Kf4 (better 42...a6 43.h5 Kf4 44.Kd5-+) 43.g5 fg5 44.hg5 Kg5 45.Kb5 h5 46.Ka6 c4 47.Ka7 c3 48.Kb6 c2 49.Kc5 c1Q 50.Kd5 h4 51.Ke6 (51.Ke5 h3 52.Kd6 h2 53.Kd5 h1Q 54.Ke6 Qc8 55.Kd6 Qd1 56.Ke5 Qf5) 51...h3 52.Kf7 (52.Ke5 Qc7 53.Kd4 Qf4 54.Kd5 h2 55.Ke6 h1Q 56.Kd7 Qb7 57.Ke6 Qbf7) 52...h2 53.Kg7 (53.Ke6 Qc6 54.Ke7 Qb7 55.Kf8 Kf6 56.Kg8 Qd5 57.Kh7 h1Q) 53...h1Q 54.Kf7 (54.Kf8 Qb7 55.Ke8 Qcc8) 54...Qf3 (54...Qc7 55.Ke6 Qe4) 55.Ke6 (55.Kg8 Qc8 56.Kg7 Qfb7) 55...Qe1 (55...Qcc6 56.Ke5 Qe3) 56.Kd6 Qd3 (56...Qb7 57.Kc5 Qeb4) 57.Kc5 (57.Kc7 Qec3 58.Kb6 Qb1 59.Ka6 Qca1) 57...Qc1 (57...Qa5 58.Kc6 Qdd5) 58.Kb4 (58.Kb6 Qb3 59.Ka5 Qca3) 58...Qdc4 (58...Qca3) 59.Ka5 Qa3 60.Kb6 Qaa6 0-1. zembelek (2120) - Ban (2210), Rated Blitz game, lichess.org, 2013.

6.e3 Nc6

7.Bb5 0-0 8.Bc6 bc6 9.0-0 Re8 10.Nc3 Ba6 11.d3?? Re5!-+ 12.Ne5 Bc3 13.Nc6 Qd6 14.Nb4 Ba1 15.Qa1 Bb7 16.h3 a5 (17.Na2 Qa3-+) 0–1. wlittle (2140) – trebz (2205), net–chess.com, 2005.

7.Bb5= a6 8.Bc6+= bc6 9.0-0 0-0 10.d4 Bf5 11.Nbd2 Ne4 12.Ne4 Be4 13.Nd2 Bd2 14.Qd2+= Rb8 15.Qa5 Rb6 16.Rab1 Qg5 17.Bg3 Rfb8 18.Rb6 Rb6 19.c3 h5= 20.h4 Qg4 21.Kh2 Qe2 22.Rg1 Qb5 23.Qb4 Qd3 24.Qe7+/– Qc3 25.Qe8 Kh7 26.Qf7 Rb8?? 27.Qh5 (27…Kg8 28.Qe5+–; 27.Be5 Qd4 28.Qg7) 1–0. Drexhage,Ulrich – Roos,Bernhard, IECG, 2000.

7.Bb5= Bd7 8.Bc6 Bc6 9.0-0 =.

6.g3 0-0

7.Bg2 c5 8.0-0 Nc6 9.Bb2 Re8 10.d3 Qe7 11.e3 h6 12.Nbd2 Bc7 (12...Bg4 13.Nb3+=) 13.Re1 (13.c4 Be6=) 13...Be6 (13...Bg4 14.h3 Bh5 15.Nb3+=) 14.Rb1= b6 15.Nh4 Be5 16.Be5 Ne5 17.f4 Nc6 18.e4 (18.c3 Bg4 19.Qc2 Rad8=) 18...de4 (18...c4 19.f5 cd3=) 19.Ne4= Ne4 20.Be4 Qd6 21.Qf3 Rac8 22.c3 Bd7 23.Re2 Na5 24.Rbe1 Qf6 25.Bd5 Re2 (worse is 25...Qc3 26.Bf7 Kf7 27.Qd5 Be6 28.Re6 Qd4 29.Qd4 cd4 30.Re8 Re8 31.Re8 Ke8 32.Nf5+/–) 26.Re2 Bc6 (26...Qc3 27.Bf7 Kh8 28.Ng6 Kh7 29.Ne5 Qd4 30.Kg2+–) 27.Re5 Bd5 28.Qd5 Qd8 (28...g6 29.Re3=) 29.Kf2 (29.Rf5 Qe8 30.Ng6 Nc6=) 29...Nc6 30.Qd8 Rd8 31.Re3 Kf8 32.Nf3 Ne7 33.d4 (33.c4!?=) 33...Nd5-/+ 34.Re1 Nc3 35.dc5 bc5 36.Rc1 Rd3 37.Ne5 Ne4 38.Ke2 Ra3 39.Rc4 Ra4! 40.Ra4 Nc3 41.Kd3 Na4 42.Kc4 Ke7 43.Nc6 (43.Kb5!? Nb6 44.Nc6 Kd6 45.Na7-/+) 43...Kd6-/+ 44.Na7 Nb2 45.Kc3 Nd1 46.Kd2 Nf2 47.Nc8 Kd5 (47...Kc7 48.Ne7-/+) 48.Ne7 (48.Ke2!? Ng4 49.h3-/+) 48...Ke4 49.Ke2 Ng4 50.h3? (better is 50.Nc8-+) 50...Ne3 51.Nc8 (51.Kd2 Nf1 52.Kc3 Ng3-+) 51...Nf5 52.Kf2 (52.Kd2 Ng3 53.Nd6 Kf4 54.Nf7 Ne4 55.Kd3 Nf2 56.Kc4 Nh3 57.Kd5-+) 52...c4 53.g4 (53.Nb6 c3 54.Ke1 Ng3 55.Na4-+) 53...c3 54.Ke1 Kd3 55.Kd1 Nd4 0–1. Leon Acosta,Miguel (2045) – Santos Ruiz,Miguel (2305), Linares ESP, Men Ch, 2014.

7.Bg2 Nc6 8.Bb2 Re8 9.0-0 Bg4 (9...Qe7 10.e3=+) 10.h3 (10.e3 Qd6=+) 10...Bh5 (10...Bf3 11.Bf3 Qd6 12.Ra2=+) 11.Bc3 (11.g4 Bg6=) 11...Bf3 (11...Bc3 12.Nc3 d4 13.Na2=+) 12.Bf3=+ Bc3 13.Nc3 d4 14.Na4 (14.Na2 Qd6=+) 14...Qd7 (14...Qd6 15.Re1=+) 15.Bg2 Re5 16.f4 (16.Rb1 Rae8 17.c3=+) 16...Re7 (16...Ra5 17.Nb2=+) 17.Nc5= Qc8 18.Rb1 Rb8 19.Re1 Nd7 (19...Na5 20.e4=) 20.Nd3 (20...Nb6 21.e3=; 20.Nb7 Re6 21.f5 Rf6 22.Bc6 Rc6=). d2d4 – kooldown, playchess.de, 2002.

7.Bg2 Re8 8.Bf4 =+.

5.Nf3 d6

6.Bb2 0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3 d6 5.Bb2 0-0 6.a3 Ba5).

6.Bb2 Be6 7.e3 =.

6.Bb2 Bg4 7.Nd4 c5 (7...0-0 8.f3 Bd7 9.e4=+) 8.Nb3 Bb6 9.h3 Bh5 10.d3 Nc6 (10...0-0 11.g4 Bg6 12.Bg2=) 11.c4 a5 (11...0-0 12.g4 Bg6 13.Bg2=) 12.Nc3 a4 13.Nd2 Ne5 (13...0-0 14.Na4 Ba5 15.g4=) 14.Qc2 0-0 15.Na4 (15.g4 Bg6 16.f4 Nc6+–) 15...Ra4 16.Qa4?? (better 16.Be5 Ra7 17.Bb2+=) 16...Nd3!-/+ 17.ed3 Qe7?? (better 17...Qe8 18.Qe8 Re8 (18...Ne8?? 19.Bc3+–) 19.Be2 Re2 20.Kd1 Ba5 21.Bf6 Rd2 22.Kc1 gf6-+) 18.Ne4+– Ne4 19.de4 Qe4? (better 19...Qe8 20.Qb3 Ba5 21.Bc3 Qe4 22.Kd2 Qf4 23.Kc2 Qf2 24.Kc1 Qe3 25.Kb2 Qf2 26.Kc1 Qe3 27.Kb2 Qf2 28.Kc1=) 20.Kd2+– Qf4 21.Kc3 d5 22.Qc2 (22.Qb5 d4 23.Kb3 Ba7+–) 22...d4 (22...Bg6 23.Qe2+–) 23.Kb3 Ba5 (23...Bg6 24.Bd3+–) 24.Bd3 f5 (24...Bg6 25.Bg6 fg6 26.f3+–) 25.Bc1 Qe5 26.Bd2 Bd8 (26...Bd2 27.Qd2 Qf6 28.Kb2+–) 27.Rae1 Qb8 (27...Qf6 28.g4! Bf7 29.Kb2+–) 28.Bf5 Be8 (28...h6 29.Bg6 Bg6 30.Qg6+–) 29.Bh7 Kh8 30.Bg6 Bc6 (30...Bf6 31.Be8 Re8 32.Qf5+–) 31.Be4 (31.Qd1 Ba4 32.Ka4 Qa7 33.Kb3 Qb6 34.Bb4 Qg6 35.Bc5 Rf2 36.Qd4 Qc2 37.Kb4 Rd2+–) 31...Bd7 (31...Rf2 32.Rhf1 Bh4 33.Rf2 Bf2 34.Re2+–) 32.Qd1 Be8 33.Bf3 (better 33.Bd3 Bf7 34.Qf3 Qd6+–) 33...b5 34.Re8! Re8 (34...Re8 35.Bc6 Double attack (35.Bc6 Decoy)) 35.Bd5 (35.Bc6 Re5 36.Bf4 bc4 37.Kc4 Ba5+–) 35...g6 36.Qg4 (36.Bf7 bc4 37.Kc4 Re7 38.Bg6 Qb6 39.Qh5 Kg8+–) 36...Qb6 (36...bc4 37.Kc4 Qb6+–) 37.Bg5 (better 37.Kc2 bc4 38.Bc4 Rf8+–) 37...Bg5?? (37...bc4 38.Kc4 Qa6 39.Kc5 Qa3 40.Kd4 Bb6 41.Kc4 Qc5 42.Kb3 Qd5 43.Kc2 Qa2 44.Kc1 Re6-/+) 38.Qg5+– bc4 (38...Kg7 39.Qg4 bc4 40.Kc4 Qa6 41.Kc5 Qa5 42.Kd4 Qd2 43.Kc5 Qc3 44.Kb6 Qb2 45.Qb4 Qf6 46.Ka7 Re7 47.Bb7 Qf2 48.Qb6+–) 39.Kc4 Qa6 40.Kc5 Qa7 (40...Qa3 41.Kd4 Qa7 42.Kc4 Qa2 43.Kc3 Qa3 44.Bb3 Rc8 45.Kd2 Qb2 46.Ke1 Re8 47.Qe3 Re3 48.fe3 Qb3 49.Kf2-+) 41.Kc4 (better 41.Kb5!? Kg7 42.Rc1 Qb8 43.Kc4 Qb2+–) 41...Qa4 42.Kd3 Qa3 43.Kd4 Qb4 (43...Qa7 44.Kc4 Rc8 45.Kd3 Qa3 46.Ke4 Qb4 47.Kf3 Rc3 48.Qe3 Qd4=) 44.Kd3 (44.Bc4 Kg7 45.h4 Qb2 46.Kd3 Qa3 47.Kc2 Qa4 48.Kc3 Qa3 49.Bb3 Rc8 50.Kd4 Qb2 51.Ke4 Qe2 52.Kf4 Qf2 53.Ke5 Qe2 54.Kd4 Qb2 55.Ke4 Qe2 56.Kd4 Qb2 57.Ke4 Qb3 58.Qe5 Kh7 59.Qe7 Kg8 60.Rd1 Qa4 61.Rd4 Qc6 62.Ke3-+) 44...Qb5 45.Kd4 Qb4 46.Bc4 Qb2 47.Kd5 Qb7 48.Kd4 (48.Kc5 Rc8 49.Kd4 Qa7 50.Kd3 Qa3 51.Ke2 Qb2 52.Qd2 Qe5 53.Kf1 Qa1 54.Qe1 Qe1 55.Ke1 Rc4+–) 48...Qb2 49.Kd5 Qb7 ½–½. Sapareva,Magdalena – Punchev,Ivan (1685), 200th MGU Open, 2017.

6.Bc3 Bb6 7.e3 Bg4 8.Be2 Nbd7 9.d3 0-0 10.Nbd2 Nd5 11.0-0?? (better is 11.Bb2=) 11...Nc3-+ 12.Qe1 Qf6 13.Nc4 Ne2 14.Qe2 Bf3 15.Qf3 Qf3 16.gf3 c5 (better is 16...d5 17.Nb6 ab6 18.Rfb1-+) 17.Nd6 Bc7 18.Nc4? b5 19.Nd2 Rad8 20.Rab1 a6 21.Ne4 Ne5 22.f4 Nf3 23.Kg2 Nd2?? 24.Nd2+= Rfe8 25.Nf3 Re6 26.Rfd1 Rg6 27.Kh1 Rdd6 28.Rg1 h6 29.Rg6 Rg6 30.Rg1 Rg1 31.Kg1 a5 32.Nd2 f6 33.Kg2 g6 34.Kf3 f5 35.h3 Bd6 36.Ke2 Be7 37.Nb1 Bh4 38.f3 Bf6 39.e4 fe4 40.fe4 Bd4 41.Kf3 Kf7 42.Kg4 Kf6 43.h4 h5 44.Kf3 Ke6 45.Nd2 Bc3 46.Nb3 c4 47.dc4+/– bc4 48.Nc5 Kd6 49.Nb7 Kc6 50.Nd8+/– Kd7 51.Nf7 Bb2? 52.a4 Ke6 53.Ne5 Be5 54.fe5 Ke5 55.Ke3 c3 56.Kf3 Kf6 57.Kf4 Ke6 58.e5 Kd5 59.Kg5 Ke5 60.Kg6 Kf4 61.Kh5 Ke3 62.Kg5 Kd2-/+ 63.h5 Kc2 64.h6 Kd2 65.h7= c2 66.h8Q c1Q 67.Qd4 Ke2 68.Kf5 Qc2 69.Qe4 Qe4 70.Ke4 Kd2 71.Kd4 Kc2?? 72.Kc4+– Kb2 73.Kb5 Ka3 74.Ka5 Kb3 75.Kb5 Ka3 76.a5 Kb3 77.a6 Ka3 78.a7 Kb3 79.a8Q Kc2 80.Qe4 (80.Qe4 Kc3 81.Qe3 Kb2 82.Kc4 Kc2 83.Qe2 Kc1 84.Kc3 Kb1 85.Qb2) 1–0. Fournier,Frederic (2015) – utalino26 (1765), Active (3/0), 2004.

6.Bc3 Bc3 7.Nc3 0-0 8.e4 Re8=+ 9.Bd3 d5-/+ 10.e5 Bg4 11.0-0 Re5! 12.Be2 Re7 13.d4 Nc6 14.Qd3 Qf8 15.Qe3?? Nd4 16.Ra2?? Ne2 (17.Qe2 Re2 18.Ne2 Bf3 19.gf3 Re8-+; 16...Re3 17.fe3 Ne2 18.Ne2-+) 0–1. Galagus – Favio, playchess.de, 2001.

6.Bc3 Nc6 7.Ba5 Na5 8.d4 =.

6.Bf6 gf6 7.c3 +=.

6.Bf6 Qf6 7.c3 0-0 8.Qa4 Bb6 9.e4 Bg4 10.Be2=+ Bf3 11.Bf3= c6 12.0-0 Nd7 13.d4 Rfe8 14.Qc2 Nf8 15.Nd2 Qh6 16.Nc4 Bc7= 17.Ne3 Ne6 18.Nf5 Qf6 19.Bg4 Ng5 20.Rfe1 g6 21.Ng3 h5= 22.Bh5? gh5-/+ 23.Nh5 Qh6 24.Ng3-/+ Re6 25.Nf5? Qg6-+ 26.Re3 Rae8 27.Rae1 Kh7?? 28.Nh4?? Qh5-/+ 29.e5? Kg8-+ 30.Nf5 de5 31.Ng3 Qh8 32.Qf5 Qg7 33.Nh5 Qg6 34.Qg4? f5 35.Qd1 f4 36.Re5 Be5 37.de5 Re5 38.Re5 Re5 39.Nf4 Qe8 40.Kf1 Qf7 41.Qd8 Qf8 42.Qd3?? Qf4-+ 43.Qg6 Kf8 44.Qh6 Ke7 (45.Qg7 Nf7 46.Qe5 Ne5-+) 0–1. Steve20 – Salvatore, ChessWorld.net, 2006.

6.Bb2 c5

7.c4 0-0 8.e3 =.

7.c4 a6 8.e3 h6 (8...0-0 9.Qc2=) 9.Be2+= 0-0 10.Qc2 (10.0-0 Bf5+=) 10...Re8 (10...Nc6 11.0-0=) 11.h3 (11.0-0 Nc6=) 11...Nc6 12.h4 (12.0-0 Be6=) 12...Ne4 (12...Ne5 13.Nc3=+) 13.Nc3 (13.0-0 Rb8=) 13...Bf5=+ 14.Bd3 (14.Qb3 Nc3 15.Bc3 Bc3 16.Qc3 Rb8=+) 14...Bc3-/+ 15.Bc3 f6 (15...d5!? 16.cd5 Qd5 17.Be4 Be4=+) 16.Bb2 (16.g4 A) 16...Nc3? 17.Bf5 Nd4 18.Nd4 (18.Qc3?! Nf3 19.Kd1 d5=) 18...cd4 19.Rh3+–; B) 16...Bg6=) 16...Rb8 (16...Qe7 17.Rg1=) 17.h5 (17.g4 Bg6 18.g5 fg5 19.hg5 Ng5 20.Ng5 Bd3 21.Qd3 Qg5 22.0-0-0+=) 17...d5 (17...Qd7!?=) 18.cd5+= Qd5?? (18...Na5 19.g4 c4 20.gf5 cd3 21.Qd3 Nc5=+) 19.Bc4+– (19…Be6 20.Bd5 Bd5 21.d3+–) 1–0. Gross – Burkard, tt NW–Usingen, 1985.

7.e3 0-0 8.c4 Nc6 9.Qc2 Re8 10.Be2 Bg4 11.Nc3 Bf3 12.gf3 Ne7 (12...d5!? 13.cd5 Bc3 14.Qc3 Qd5+/–) 13.h4+= h5 (13...h6 14.Rg1 Ng6 15.f4+/–) 14.Ne4+/– Ne4 15.fe4 (15.Qe4?! d5 16.cd5 Nd5+=) 15...Qb6?? (better is 15...g6+/–) 16.Rg1+– Ng6 17.Bh5 Re6 (17...Ne5 18.0-0-0+–) 18.f4 Qd8 (18...Qc6 19.Bf3+–) 19.Rg5 Ne5 (19...Qe8 20.f5 Re4 21.0-0-0 (21.Bg6?! Re3 22.Kf1 Rf3 23.Kg1 fg6 24.Rg6 Rd8+–) 21...Rh4 22.fg6+–) 20.fe5 (20.Be5 de5 21.Rb1 Qc7+=) 20...de5 21.0-0-0 (21.Be5 Re5 22.Qb2 Rg5 23.hg5 b6+=) 21...Qd6 (21...f6 22.Rg2+–) 22.Rdg1 g6 23.Bg4 Rf6 (23...Ree8 24.Be2 Bd8 25.R5g4+–) 24.Be5 Bd2 (24...Qd8 25.Bf6 Qf6 26.e5+–) 25.Qd2 Qd2 26.Kd2 Rf2 (26...Rd8 27.Ke2 Rb6 28.h5+–) 27.Be2 Rd8 (27...Kh7 28.Ke1 f6 29.Kf2 fg5 30.hg5 Kg8+–) 28.Ke1 1–0. forsetinn (2445) – josquin (1935), gameknot.com, 2015.

6.Bb2 Nc6

7.Nc3 0-0 8.g3 Bg4 9.Bg2 Re8 10.0-0 Qd7 11.Re1 Re7 12.Ng5 Rae8 13.f3 Bh5 14.Nce4 Ne4 15.Ne4 f5 16.Nf2 Ne5 17.Nd3 Nc4 18.Bc1 Qb5 19.h3 g5 20.g4 Bg6 21.gf5 Bf5 22.e4 Bg6 23.Nf2 Qb6 (23...d5 24.c3 de4 25.Ne4-/+) 24.Re2 h6 (24...Rf7!?-/+) 25.d3+= Bc3 (better is 25...Nb2 26.Qf1 Bc3=) 26.Ra2?? (better is 26.dc4 Ba1 27.Be3+/–) 26...Qb1 27.dc4 (27.Bb2 Qa2 28.Bc3 Qa3-+) 27...Qa2 0–1. Macedo,A Soares De (2000) – Da Costa,J A Campo (2050), 4th Aberto Xadrez Potiguar, 2009.

7.e3 Be6 8.c3 0-0 9.d4 Bd5 10.Nbd2 Re8 11.Be2 Bb6 (11...Ne4 12.Ne4 Be4 13.0-0=) 12.0-0 h6 (12...Be6 13.Bd3=) 13.c4+= Bf3 14.Bf3 Qd7 15.Qc2 a6 (15...d5 16.Rab1+=) 16.Rad1 Qe7 17.h3 Rad8 18.c5 (better 18.Rb1!?+/-) 18...dc5= 19.dc5 Qc5 20.Qc5 Bc5 21.Rc1?? (better 21.Bc6 bc6 22.Bf6 gf6 23.Ne4=) 21...Rd2-+ 22.Bf6 Ba3 (22...gf6 23.Rc5 Re5 24.Rc3+=) 23.Bh4? (23.Ra1 Bb4 24.Bh4-+) 23...Bc1 24.Rc1 Re6 25.Bg3 Ne5 (better 25...a5-+) 26.Bb7 Nd3 27.Rc7 Rd1 (27...g5!? 28.Bf3-+) 28.Kh2-/+ Rb6 (28...a5 29.Bf3 Rc1 30.Ra7-/+) 29.Be4 (29.Bd5 Rbb1 30.Bf7 Kh7=+) 29...g6 (better 29...Kf8-/+) 30.Rd7?? (30.Bd5 Rf6 31.Bb3 Rd2=) 30...Nb2 (better 30...Nf2 31.Rd1 Nd1-+ (31...Ne4?! 32.Rd8 Kg7 33.Be5 f6 34.Bd4-/+)) 31.Ra7? (31.Bd5 Kf8 32.e4 Rf6=+) 31...Nd3 (better 31...Nc4!?-+) 32.Bd5 (32.Rd7 Nf2 33.Rd1 Nd1 34.Bd3-+) 32...Rd6?? (better 32...Rf6=+) 33.Bf7+- Kf8 (33...Kh8 34.Bd6 g5+-) 34.Bg6 (better 34.Bd6 Kg7 35.Bb3 Kh8 36.Be7 Rh1 37.Kg3 Kg7 38.Bh4 Kf8 39.Bf6 Rh3 40.gh3 Ke8 41.Be6 Nf2 42.Ra8) 34...Rg6-+ 35.h4 (35.Ra8 Kf7 36.Ra7 Ke8 37.Ra8 Kd7 38.Ra7 Kc8 39.e4-+) 35...Rg3! 36.Kg3 (36.fg3 Nf2 Combination; 36.Kg3 Nc5 Combination) 36...Ra1 37.Kf3 (37.Rh7 Ra2=+) 37...a5 (37...Ra2 38.g4-+) 38.Ke4 (38.Ra8 Kf7 39.Ra7 Kg6 40.Ra6 Kh5 41.Rd6=+) 38...Nf2-+ 39.Kf3 Nd3 40.Ra8 Kg7 41.Ra7 Kg6 42.Ra6 (42.g4 Nc5-+) 42...Kh5 43.g4 Kh4 44.Rh6 Kg5 45.Rh5 Kg6 46.Rd5 a4?? (better 46...Nb2-+) 47.Rd3+/- a3 48.Rd6 Kg5 49.Rd5 Kf6 50.Rf5 Ke6 51.Ra5 a2 52.Ke4 Rg1 53.Ra2 Rg4 54.Kf3 Rb4 55.Ra6 Ke7 56.e4 Rb3 57.Kf4 Rb1 (57...Rb5 58.Ra7 Kf6 59.Ra8+/-) 58.Ke5 (58.Kf5 Rf1 59.Ke5 Rb1+-) 58...Re1 (58...Rb5!? 59.Kd4 Rb4 60.Kd5 Rb5 61.Kc4 Rb1+/-) 59.Ra7+- Kd8 60.Ra6 Ke7 61.Ra7 Kd8 62.Rh7 Ke8 63.Kf5 Kd8 64.e5 Rf1 65.Ke6 Ra1 (65...Re1 66.Rh8 Kc7 67.Rh2+-) 66.Rh8 Kc7 67.Rh7 Kc6?? (67...Kd8 68.Rh4 Re1+-) 68.Rh3 Ra6 (68...Kc5+-) 69.Ke7 (69.Rc3 Kb6+-) 69...Kb7?? (better 69...Kd5=) 70.e6 Kc7 (70...Ra2 71.Rf3+-) 71.Kf6 (71.Kf7 Ra1 72.Rf3 Re1+-) 71...Kb7 (71...Ra1+-) 72.Rh7 Kc8 73.Kf7 (73.Kf7 Kc7 74.e7+-) 1-0. bvamrx (1920) - isaacgonzalezg (2015), lichess.org, 2021.

Play 1.b4 at Chessworld.net!

The home of Email Chess on the web!

Chessworld.net on behalf of Marek have set up a continuous stream of 1.b4 tournaments.

These tournaments should always be available to join. As soon as four players are paired, another one will automatically be set up.

    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 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)

Click on the logo below, visit Chessworld.net, register and play 1.b4 against the whole world!

The home of Email Chess on the web!

The home of Email Chess on the web!