4.a4 d6 5.e3 Bg7 6.Nf3 0-0 7.d4 Nbd7 8.c4 e5 9.Qc2 (9.Be2 Qe7=) 9...ed4 10.Nd4 Re8 11.Nd2 Nc5 (11...Ng4 12.N2f3=) 12.N2b3 (12.Be2 Qe7=) 12...Nfe4 (12...Qe7 13.Be2=) 13.Nc5= Nc5 14.Be2 Qg5 15.h4 (better is 15.0-0!?=) 15...Qg2–/+ 16.Bf3 Re3 17.fe3 Qc2 18.Nc2 Bb2 19.Ra2 Be6 20.Nd4 (20.Bd5 Bc3 21.Kf1 Re8–/+) 20...Bc4 (20...Bd4 21.ed4 Bc4 22.Rc2 Re8 23.Kf2 Nd3 24.Kg3–+) 21.Rb2 Nd3 22.Kd2 Nb2 23.Kc3 Na4 24.Kc4 Nc5 25.Bd5 (25.Nb3 Nb3 26.Kb3 Ra7=+) 25...Kg7 26.Rf1 f6 27.h5 (27.Nb3 Nb3 28.Kb3 Ra7=+) 27...Re8 28.Rg1 Re5 29.hg6 hg6 30.e4 Ne4 31.Ne6= Kf7 32.Ng5 Ke7= 33.Ne4 f5?? 34.Nc3+/– c6 35.Rg6 cd5 36.Nd5 Kd7 37.Rg7 Kc8 38.Rg8 Kd7+= 39.Rg7 Kc8+– 40.Rc7 Kb8 41.b6 f4 42.Rf7 Kc8 43.Rf4 a4 44.Rf1 Kd7? 45.Rf7 Kc8 46.Rc7 Kb8 47.Re7 a3 48.Rh7 Kc8 49.Ne7 Kd8+= 50.Nc6 bc6 51.Rh8 Ke7 52.b7 Rc5 53.Kd4?? Rd5?? 54.Ke4 Re5 55.Kf3 Rb5 56.b8Q Rb8 57.Rb8 Ke6 58.Ke4 c5?! 59.Re8 (59...Kd7 60.Ra8+–) 1–0. Morriss,Pete R – Enticknap,J, Bognor Regis–B, 1965.

4.b5 Bg7 5.a4 d6 6.e3 0-0 7.Nf3 c6 8.Be2 Nbd7 9.0-0 Nc5 10.Nc3 e5 11.bc6 bc6 12.d4 Nce4 (12...ed4!? 13.Nd4 Qc7=) 13.de5+= Ng4?? (better 13...Nc3 14.Bc3 Ne4+=) 14.Ne4+– de5 (14...Ne5 15.Ba3 Nf3 16.Bf3+–) 15.Qd8 (15.h3 Nf6 16.Nf6 Bf6 17.Qd8 Rd8 18.Be5 Kg7+–) 15...Rd8 16.h3 Nf6 (16...Bf5 17.Ng3 e4 18.Nd4+–) 17.Nf6 Bf6 18.Be5 Be5 (18...Kg7 19.Rab1+–) 19.Ne5 Rb8 (19...c5+–) 20.Nc6 Rd2 (20...Bf5 21.Nd8 Rd8 22.Rfd1+–) 21.Nb8 Re2 22.Nc6 Ba6 (22...Kf8 23.Na5 Bf5 24.c5+–) 23.Na5 f5 (23...Kg7 24.c5 Rd2 25.Rfd1+–) 24.c5 (24.Rfd1 Kg7 25.Rd6 Bc8+–) 24...g5 (24...Kf8 25.Rfd1 Rc2 26.Rd6+–) 25.c6 f4 26.ef4 gf4 27.Rfc1 (27.Rfe1 f3+–) 27...Kg7 28.c7 Re5 29.Nc6 Re6 30.Nd4 (better 30.Rab1 Re8+–) 30...Re5 31.c8Q Bc8 32.Rc8 (32.Rc8 Kf7 33.a5 Re7 34.a6 Ra7 35.Nc6 Ra8 36.Ra8 Kg6 37.Rg8 Kf7 38.a7 Kg8 39.a8Q Kf7 40.Nb4 h6 41.Ra6 h5 42.Qb7 Kf8 43.Ra8) 1–0. dbinc007 – grukito, gameknot.com, 2017.

4.Nc3 a4 5.Ne4 a3 6.Bc3 Bg7 7.Nf6 ef6 8.Nf3 0-0 9.e3 d5 10.Be2 Re8 11.0-0 b6 12.d4 Bf5 13.Bd3 Bd3 14.Qd3 Nd7 15.Bb4 f5 16.Ba3 Nf6 17.Rfc1 Ne4 18.Bb4 Qd7 19.a4 Ra7 20.Nd2 Nd2 21.Qd2 Rea8 22.c4 dc4 23.Rc4 Ra4 24.Ra4 Ra4 25.Qc1 Qb5 26.Rc7 Rb4 27.Rc8 Bf8 28.Rf8 Kf8 29.Qc8 Kg7 30.h4 Qd5 31.Qb8 Rb2 32.Qg3 b5 33.h5 b4 34.h6 Kf6 35.f4 b3 36.Qg5 Ke6 37.Qg3 Rb1 38.Qe1 Re1 39.Kf2 b2 40.Ke1 b1Q 41.Kf2 Qd3 42.Kg3 Qa2 43.Kh4 Qdd2 44.Kg3 Qg2 45.Kh4 Qaf2 0–1. AvImd (1745) – dpay02 (1700), lichess.org, 2019.

4.c4 d6 5.d4 Bg7 6.Nf3 0-0 7.e3 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

4.c4 e6 5.e3 Bg7 6.Nf3 0-0 7.d4 c6 8.a4 d5 9.c5 Re8 10.Be2 Ne4 11.Nbd2 (11.Nc3 b6 12.cb6 cb5 13.ab5 Bb7+=) 11...Nd7 (11...Nc5 12.Rb1 Ncd7 13.0-0=) 12.Ne4 de4 13.Nd2 Nc5 14.Qc2 (better is 14.0-0!?=) 14...Nd3+=.

4.d4 Bg7 5.e3 d5 6.Nf3 Bd7 7.Be2 b6 (7...c6!?=) 8.c4+= e6 9.cd5 Nd5 10.0-0 c6 11.Nc3 (11.Na3 0-0+=) 11...Nc3= 12.Bc3 cb5 13.Rb1 (13.Rc1 0-0=) 13...b4 14.Bb2 0-0 15.Bd3 Qe7 (15...Bc6 16.Qe2=+) 16.Qe2 Nc6 17.d5 (better 17.Rfc1!?=) 17...ed5-/+ 18.Bg7 Kg7 19.Bb5 Ne5 20.Ne5 Bb5 21.Nf3?? (better 21.Qb5 Qe5 22.Qb6-/+) 21...Be2-+ 22.Rfe1 Bf3 23.gf3 Qg5 (23...Rac8 24.Rb2-+) 24.Kf1 Rfe8 (better 24...Rac8 25.f4 Qh4 26.Rb2 Qh2 27.f5-+) 25.e4 de4 26.Re4 Re4 27.fe4 Re8 28.Re1 Qe5 29.Re3 Qh2 30.Ke2 Qg2 (30...Qh5 31.Kd2 Rd8 32.Rd3 Qg5 33.Ke2 Qb5 34.Kf1 Qd3 35.Kg2 Qe4 36.f3 Qh4 37.f4 Rd2 38.Kf3 f5 39.Ke3 Qf2) 31.Kd3 Rd8 (31...Qf2 32.Rg3 Qg3 33.Ke2 Re4 34.Kd2 Qc3 35.Kd1 Re1) 32.Ke2 (32.Kc2 Qf2 33.Kb3 Rc8 34.Re2 Rc3 35.Kb2 Qe2 36.Kb1 Qd1 37.Kb2 Qc1) 32...Rd4 (32...Qg4 33.Rf3 Qe4 34.Re3 Qg4 35.Rf3 Re8 36.Kd3 Qf3 37.Kc4 Re5 38.Kd4 Qe4) 33.a4 Re4 (33...Qg4 34.Rf3 Re4 35.Kd3 Qf3 36.Kc2 Re2 37.Kd1 Rf2 38.Ke1 Qe2) 34.Kd3-+ Re3 35.Ke3 Qg4 (35...b3 36.Kd4 Qf2 37.Kd5 Qc5 38.Ke4 b2 39.Kf3 Qf5 40.Kg2 Qe4 41.Kg3 Qe3 42.Kg2 b1Q 43.Kh2 Qbg1) 36.Kd2 Qc4 37.Ke3 b3 38.f3 b2 39.Kf2 (39.f4 Qc3 40.Kf2 Qd2 41.Kf3 b1Q 42.Kg3 Qg1 43.Kf3 Qde3) 39...b1Q 40.Kg3 Qf5 (40...Qe1 41.Kh3 Qh1 42.Kg3 Qch4) 41.Kg2 (41.Kf2 Qcc2 42.Ke1 Qe5 43.Kf1 Qa1) 41...Qcd3 (41...Qg5 42.Kf2 Qc2 43.Ke1 Qgc1) 42.Kg1 (42.Kg3 Qff3 43.Kh2 Qfe2 44.Kg1 Qdd1) 42…Qdf3 (42...Qdf3 43.Kh2 Q5f4 44.Kg1 Q4g3; 42...Qe2 43.f4 Qb1) 0-1. king_of_the_hill – kolybri, Rated Bullet game, lichess.org, 2015.

4.e3 c5 5.c4 Bg7 6.Nf3 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5 c5).

4.e4 c6 5.e5+= Ng4?? (5...Nd5 6.c4 Nf4 7.Qf3+=) 6.e6 (better 6.Qg4 Bg7 7.Nf3+–) 6...Nf6+= 7.ef7 Kf7 8.a4 (8.Nf3 d6+=) 8...Qb6 (8...Bg7 9.Nf3=) 9.Nf3+= Ng4?? (9...d6!?+=) 10.Qe2 (10.Ng5!? Kg8 11.Qg4 Qc5 12.Bc4 e6 13.Ne6 d5+–) 10...d5?? (better 10...Nf6+–) 11.Bh8 Bf5 12.h3 (12.h3 Nh6 13.Nc3+–) 1–0. AvImd (1755) – Zhedam (1755), lichess.org, 2020.

4.g4 Rg8 5.g5 Nd5 (5...Ne4 6.h4=) 6.Bg2 c6 (6...Nf4 7.Bf3=) 7.c4 (7.Bd5 cd5 8.Bd4 e6+=) 7...Nc7 (7...Nf4 8.Bf1=) 8.b6 (8.Qa4 Ne6 9.h4 cb5 10.cb5 d5+=) 8...Nca6 (8...Ne6 9.Nf3=+) 9.Qb3 e6 (9...Nc5 10.Qh3 h5 11.gh6 d6+/-) 10.d4 (better 10.Bf6 Be7 11.Be7 Qe7 12.Nf3+=) 10...Qg5=+ 11.Bf3 (11.Qh3!?=+) 11...d5-/+ 12.c5 Bg7 13.Nd2 (13.e4-/+) 13...Qf4 (13...e5!? 14.e3-+) 14.e3 (14.e4 Qh4=+) 14...Qh6 (14...Qf6 15.0-0-0-/+) 15.Ne2 (15.e4 Nd7=+) 15...Bd7 (15...e5 16.Bc3-/+) 16.a3 f6 (16...e5 17.de5 Nc5 18.Qc2=+) 17.Bc3 (17.e4 g5=) 17...e5 (17...f5 18.Nf4=+) 18.h4 (18.e4 a4 19.Qa2+=) 18...e4 (18...f5 19.Qc2=+) 19.Bg2 (better 19.Be4 f5 20.Bd3+/-) 19...Bg4?? (better 19...Rf8=+) 20.Ne4!+- Ke7 (20...de4 21.Qg8 Pinning (21.Qg8 Deflection)) 21.Nd6 (21.Ba5 de4 22.h5 Nd7-/+) 21...Be2 22.Ke2 Nd7 (22...a4 23.Qa4 Nc7 24.Qc2+-) 23.Nb7 (23.Ba5?! Nac5 24.dc5 Ra5 25.Nb7 Rb5+/- (25...Nc5?? 26.Nc5 f5 27.Rab1+-)) 23...f5 (23...Qh5 24.Bf3 Qf5 25.Na5+- (25.Ba5?! Qe6+-)) 24.Na5 (24.Ba5 Rgb8 25.Qa4 Rb7 26.Qc6 Nac5+-) 24...Nf6 (24...Rac8+-) 25.Nc6 Kd7 (25...Kf8 26.Bd5 Re8 27.h5+-) 26.Ne5 (26.Bd5 Raf8 27.b7 Re8 28.Bg8 Qh5 29.Ke1 g5 30.b8N Rb8 31.Qe6 Kc7 32.Qd6 Kb7 33.Rb1 Nb4 34.Rb4 Ka6 35.Nb8 Ka7 36.Qa6) 26...Ke6 (26...Ke7 27.b7 Rab8 28.Qb6+-) 27.Bf3 (27.b7 Rad8 28.Qb6 Ke7 29.Qa6 Qh5 30.Bf3 Ng4+-) 27...Ne4 28.Ng4! Nc3 (28...fg4 29.Be4 Deflection) 29.Qc3 fg4 30.Bg4 Ke7 31.c6 g5 32.b7 Raf8 (32...Rab8 33.c7 Rb7 34.c8Q Rc8 35.Qc8 Rb2 36.Kd1+-) 33.hg5 (better 33.c7 Qf6+-) 33...Qg5 34.Rag1 Qf6 35.Rg2 (35.c7 h5 36.c8N Ke8 37.Rh5 Rf7+-) 35...Nc7 (35...Qd6+-) 36.Bc8 (better 36.Qc5 Qd6 37.Qd6 Kd6 38.Bc8 Rc8 39.bc8R Rc8 40.Rg7+-) 36...h6?? (better 36...Qf3 37.Kf1 Qg2 38.Kg2 Bd4 39.Kf1 Bc3 40.Rh7 Kd6 41.Rd7 Kc6+-) 37.Qc5 Qd6 (37...Kf7 38.Rh3 Rc8 39.bc8R Rc8+-) 38.b8Q Qc5 39.Qc7 Kf6 40.dc5 (40.Qe5 Kf7 41.Qe6) 40...Rc8 41.Rg7! Rg7 (41...Rg7 42.Rh6 Mate attack). zembelek (2090) - sinaisam (1870), Rated Blitz game, lichess.org, 2014.

4.g4 h6 5.h4 (5.f4 Bg7=) 5...Bg7 (5...d5 6.Bh3 d4 7.Nf3=+) 6.Bg2= d6 7.g5 hg5 (7...Nh5 8.Bg7 Ng7 9.Nc3=) 8.hg5 Rh1 9.Bh1 Nh5 10.Qc1 (better 10.Bg7 Ng7 11.Nc3=) 10...Bf5?? (10...Qd7 11.Bg7 Qg4 12.Kf1 Ng7 13.Nf3=+) 11.Bf3 (better 11.Bg7!? Ng7 12.Bb7+/-) 11...Bb2 (11...e5 12.Bb7 Ra7 13.Bh1 Qg5 14.Nf3-+) 12.Qb2 Nd7 (better 12...e5!? 13.Bb7 Ra7=) 13.Bb7+/- Rb8 14.Bc6 (14.Qh8 Nf8 15.Bc6 Bd7+/-) 14...e5 15.f4?? (better 15.d4+/-) 15...Nf4-/+ 16.Nf3 Bg4 17.Nc3 Bf3 18.ef3 Qg5 19.0-0-0 Ne6 (19...Kd8 20.Qa3=+) 20.Ne4 (20.Rh1 Kd8=+) 20...Qe7=+ 21.Rh1 Kf8?? (21...Kd8 22.Qc3=+) 22.Rh8?? (better 22.Bd7 Nd8 23.Bh3+-) 22...Kg7=+ 23.Rb8 (23.Rh1 d5 24.Bd5 Nd4-/+) 23...Nb8-/+ 24.Bd5 Nf4 25.Bb7 (25.Qb3 a4! (25...Nd5?! 26.Qd5 Nd7 27.Nc3-/+) 26.Qc4 Nd7-+ (26...Nd5?! 27.Qd5 Nd7 28.Nc3-/+)) 25...Nd7 (better 25...d5 26.Nf2 d4-+) 26.d4? (26.Qa3 Qh4 27.Qe3 d5-+) 26...ed4 (better 26...d5!? 27.Nd2 Qg5-+) 27.Qd4-/+ Qe5 28.Qe5 Ne5 29.Kd2 f5 (worse 29...Nf3 30.Ke3 Ne6 31.Kf3 Nd4 32.Ke3 Nb5 33.Kd3+=) 30.Ng5?? (30.Nf2 g5-/+) 30...Kf6 (better 30...Kh6 31.Ne4 fe4-+) 31.Nh7-/+ Ke7 32.Ng5 Kf6 (32...Nc4!? 33.Kc3 Nb6-+) 33.Nh7=+ Ke6 34.Bc6? (better 34.Ng5 Kd7 35.Ke3-/+) 34...Nc6 (34...Nh3 35.Bb7-+) 35.bc6 Kd5 36.Nf6 (36.Ke3 Ne6-+) 36...Kc6 37.Ke3 (37.c3-+) 37...Nd5 38.Nd5 Kd5 39.Kd3 (39.f4 Kc4 40.Kd2 d5-+) 39...c5 (39...g5 40.Kc3-+) 40.c4 (40.f4 c4 41.Ke3 Kc5-+) 40...Kc6 (better 40...Ke5 41.Ke3 g5 42.Kd3-+) 41.Ke3 d5 42.f4 dc4 43.Kd2 Kb5 (better 43...Kd5!? 44.Kc3-+) 44.Kc3 a4 45.a3 Kb6 46.Kc4 Kc6 47.Kc3 Kd5 48.Kd3 c4 49.Kc3 Kc5 50.Kd2 Kd4 51.Kc2 c3 52.Kd1 Kc4 (52...Kd3 53.Ke1 c2 54.Kf2 Ke4 55.Ke2 c1Q 56.Kf2 Qf4 57.Kg2 Qd2 58.Kg3 Qe3 59.Kg2 Qe2 60.Kg3 f4 61.Kh3 Qf2 62.Kg4 Qg3) 53.Kc1 (53.Kc2 Kd5 54.Kc3-+) 53...Kb3 (53...Kd3 54.Kb1 Kd2 55.Ka1 c2 56.Kb2 c1Q 57.Ka2 g5 58.fg5 Kc3 59.g6 Qb2) 54.Kd1 Ka3 55.Kc2 Kb4 56.Kd3 (56.Kc1 a3 57.Kb1 Kb3 58.Kc1 a2 59.Kd1 a1Q 60.Ke2 c2 61.Ke3 c1Q 62.Kf3 Qg1 63.Ke2 Qad1) 56...a3 57.Kc2 (57.Ke2 a2 58.Kd1 a1Q 59.Ke2 Qh1 60.Kf2 c2 61.Ke2 c1Q 62.Kd3 Qe4) 57...Kc4 (57...a2 58.Kd1 a1Q 59.Ke2 Qh1 60.Kf2 c2 61.Ke2 c1Q 62.Kd3 Qe4) 58.Kb1 (58.Kc1 Kd3 59.Kb1 c2 60.Ka1 c1Q 61.Ka2 Qb2) 58...Kb3 59.Kc1 a2 60.Kd1 a1Q 61.Ke2 c2 62.Ke3 (62.Kf2 c1Q 63.Kf3 Qg1 64.Ke2 Qad1) 62...c1Q 63.Kf2 (63.Kf3 Qg1 64.Ke2 Qad1) 63...Qac3 (63...Qf4 64.Ke2 Qaf1) 64.Kg2 Q1d2 65.Kh1 (65.Kf1 Qcc1) 65…Qcc1 0-1. is_er_nog_hoop (2585) - Valdisito (2505), Rated bullet game, lichess.org, 2019.

5.Nd5 0-0 6.Nf6 Bf6 7.Bf6 ef6 8.e3 c6 9.a4 d5 10.f4 d4 11.e4 f5 12.e5 f6 13.Nf3 fe5 14.fe5 Be6 15.Qb1 Qd5 16.Qb2 c5 17.Be2 Nd7 18.0-0 Ne5 19.Ng5 Rae8 20.Ne6 Qe6 21.Rae1 Qd5 22.c3 d3 23.Bf3 Nf3 24.gf3 Re1 25.Re1 Qf3 26.Qb3 Kg7 27.Qe6 Qg4 28.Kf2 Qf4 29.Kg2 Qd2 30.Kh1 Rf6 31.Qe7 Kh6 32.Qf6 Qe1 0–1. jeglin (1640) – robert6309, kurnik, 2014.

5.Ne4 0-0 6.Nf6 ef6 7.e3 b6 8.f4 c6 9.a4 Bb7 10.Nf3 cb5 11.ab5 d5 12.Be2 Qd7 13.0-0 Re8 14.Nd4 Qd8 15.c4 dc4 16.Bc4 Nd7 17.Qb3 Rf8 18.Nc6 Bc6 19.bc6 Nc5 20.Qc2 Qc7 21.d4 Na6 22.d5 Nb4 23.Qb3 Qd6 24.e4 Rfe8 25.Rae1 h5 26.Ba3 Ra7 27.Bb4 ab4 28.Ra1 Rea8 29.Ra7 Ra7 30.Rc1 Qf4 31.Qc2 Bh6 32.Rd1 Qd6 33.g3 Ra3 34.Kg2 Rc3 35.Qa2 Kg7 36.Bd3 h4 37.Qa7 hg3 38.hg3 b3 39.Qd7 Qc5 40.Bb1 Qe3 41.Qg4 b2 42.d6 Rc1 43.d7 Rd1 44.Qd1 1–0. jeglin – pierrs, kurnik, 2014.

5.Ne4 0-0 6.Nf6 ef6 7.e3 d5 8.f4 Bd7 9.a4 c6 10.c4 dc4 11.Bc4 cb5 12.ab5 b6 13.Nf3 Bg4 14.0-0 Nd7 15.Bd5 Rc8 16.h3 Bf3 17.Bf3 Nc5 18.d4 Nd7 19.Rc1 1–0. jeglin – pierrs, kurnik, 2014.

5.Ne4 e6 6.Nf6 Bf6 7.Bf6 Qf6 8.e3 d5 9.Nf3 0-0 10.c4 c6 11.Be2 Nd7 12.0-0 Ne5 (12...dc4 13.Bc4 Nb6 14.Be2+=) 13.Ne5+/- Qe5 14.d4 Qf6 15.bc6 bc6 16.c5 e5 17.Rb1 Re8 18.Rb6 ed4 19.ed4 Bf5 20.Bb5 Rec8 (20...Bd7 21.Qd2+=) 21.a4 (21.Ba6!? Rc7 22.Re1+/-) 21...Rab8= 22.Ba6 (22.Bd3 Qd4 23.Bf5 Qd1 24.Bc8 Qf1 25.Kf1 Rc8=) 22...Re8 (better 22...Rb6!? 23.Bc8 Rb4 24.Bf5 Qf5-/+) 23.Qd2+/- Kg7 24.Qa5 (24.Rc1 Bg4+/-) 24...Qd4 25.Rc6 Rb2 (25...Ra8 26.Qc7 Qa4 27.Qb6=) 26.Rb6+= Rb1?? (better 26...Rc2+=) 27.Rbb1 Bb1 28.c6 (28.Rb1!? Re6+-) 28...Bd3?? (28...Be4 29.h3 Ra8 30.c7+-) 29.Bd3 (better 29.Qd2 Qa4 30.Qd3+- (30.Bd3?! Qc6 31.Rc1 Qf6+-)) 29...Qd3 30.c7 (30.Rc1 Qa3 31.Qd2 Re2 32.Qd4 f6+-) 30...Qc4+/- 31.Qb5 (better 31.Rd1+/-) 31...Re4?? (better 31...Rc8+=) 32.Qb7 (better 32.Qd7 Re8 33.Qe8 Qc7 34.Rd1+-) 32...Re8 33.a5 d4 34.a6 d3 35.h3 (35.Qb2!? Kg8 36.Qb8 Qc6+-) 35...d2 36.Qb2 f6 (36...Kg8 37.Qd2 Qc7+-) 37.Qd2 Qc7 38.Ra1 (better 38.Rb1!? Kg8+-) 38...Ra8 39.Qd4 Ra7 40.h4 h5 41.g3 Qe7 42.Ra5 Kf7 (42...Kf7 43.Rb5 Rc7+-). XuMEPA (1980) - MS_FIDE (2200), Rated Bullet game, lichess.org, 2015.

5.e3 Bb7 6.Nf3 Bg7 7.d4 d5 8.c5 bc5 9.dc5 0-0 10.Be2 Re8 11.0-0 c6 12.a4 (12.Qa4 Qc8+=) 12...Nbd7= 13.Qc2 (13.Nbd2 Nc5 14.Rc1 Qb6+=) 13...e5 (13...Rc8!?=) 14.Nbd2+= Qe7 15.Rac1 (15.Rfc1 Rec8 16.Ba3 Bf8+/-) 15...Rac8 16.Nb3 Ne4 c5 draws heavy fire (16...cb5 17.Bb5 Bc6 18.Ba3+=) 17.Na5+/- Ndc5 18.Nb7 Qb7 19.Ba3 (better 19.bc6!? Rc6 20.Bb5+/-) 19...cb5= 20.Bb5 Re7 21.Qd1 Rec7 22.Rb1? (22.Qe2=) 22...Qa7?? (better 22...Nc3!? 23.Qc2 Nb1 24.Qb1 Ne4-+) 23.Qd5?? (better 23.Bb2 d4 24.ed4 ed4 25.Bd4+/- (25.Nd4?! Rd8=)) 23...Nc3-/+ 24.Qd2 (better 24.Bc5!? Rc5 25.Qd2 Nb1 26.Rb1-/+) 24...Nb1-+ 25.Rb1 Na4 26.Bd6 Rc2 (better 26...Nc3 27.Bc7 Nb1-+ (27...Qc7?! 28.Rb4-/+)) 27.Qd1 e4 28.Nd4 (better 28.Ng5 Nb2 29.Qf1-+) 28...Bd4 29.ed4 Qa5 (better 29...Nb2!? 30.Qf1 Qd4 31.Bf4-+) 30.Bf4 (30.Be5 Rb2 31.Ba4 Qa4-+) 30...Nb2 31.Qf1 Rb8?? (31...Qd8 32.Be3-+) 32.Be2 (better 32.Bb8 Qb6 33.Ba4+-) 32...Rd8-+ 33.Be3 Nd3 (better 33...Rdc8!?-+) 34.Bd3=+ ed3 35.Qd3 Qc3 Exerts pressure on the isolated pawn 36.Qc3 Rc3 37.g3 f5 (37...Rd5 38.h4=+) 38.Rd1 (38.Rb7 Rdc8=+) 38...Kg7 39.h4 Kf6?? (39...Rd5 40.Rb1=+) 40.Kg2 (better 40.Bg5 Ke6 41.Bd8+-) 40...Ke6=+ 41.Rd2 Kd5 42.Ra2 Ke4 (42...Rd7 43.Ra5 Ke6 44.Ra6 Ke7 45.h5=+) 43.Ra7= h6 (43...h5 44.Ra6 Rg8 45.Ra5=) 44.Ra6 (44.Bh6 Rd6+= (44...Rd4 45.Re7 Kd3 46.Re3 Kc4 47.Rc3 Kc3 48.Bg7+-)) 44...g5 (44...Rg8!?=) 45.hg5 hg5 46.Rg6?? (46.Re6 Kd3 47.Bg5+-) 46...f4-/+ 47.Re6 Kd5 48.Re5 Kd6 (48...Kc6 49.gf4 gf4 50.d5 Rd5 51.Rd5 A) worse 51...Re3 52.Rf5 (52.fe3?! Kd5 53.ef4 Kd6=) 52...Re1 53.Kf3+/-; B) 51...fe3=) 49.gf4+/- (49.gf4 gf4 50.Bf4+/-) 1-0. dannysmet (2005) - grendal (2010), Rated Blitz game, lichess.org, 2021.

5.e3 Bg7 6.Be2 Bb7 7.Bf3 c6 8.Ne2 0-0 9.0-0 d5 10.d3 Qc7 11.a4 (11.bc6 Bc6 12.cd5 Ng4 13.Bg4 Bb2=) 11...e5 (11...Ng4 12.Bg4 Bb2 13.Ra2=) 12.cd5= cd5 13.Nd2 Nbd7 14.Rc1 Qb8 15.Ng3 Nc5 (better is 15...Qd6+=) 16.Nb3 (better is 16.Be2+=) 16...Na4–/+ 17.Ba3 Rc8 18.Rc8 Qc8 19.Qd2 (19.d4 e4 20.Be2 Nc3–+) 19...Qc3 20.Rb1 (20.Qd1 e4 21.Be2 Nb2–/+) 20...Rc8 (20...e4 21.de4 de4 22.Be2–+) 21.Qd1 Nd7?? (better is 21...Qc2 22.Qc2 Rc2–+) 22.Rc1+/– e4 23.Rc3 (better is 23.de4!? Qe5 24.Rc8 Bc8 25.ed5+/– (25.Qd5?! Qd5 26.ed5 Nc3=)) 23...Nc3= 24.Qf1 (24...ef3 25.gf3 Nb5 26.Be7=+). Frenzel,Lothar – Andre, corr SOK–91–71, 1991.

5.d4 cd4 6.Bd4 Bg7 7.Nf3 d6 8.e3 b6 9.Be2 0-0 10.0-0 Nbd7 11.Nbd2 Bb7 12.Rc1 Nc5 13.h3 (13.Nb3 Qc8=) 13...Qc7=+ 14.Nh2 e5 15.Bb2 Rae8 16.Ng4 (16.Nhf3 Rc8=+) 16...Nfe4 17.Ne4 Ne4 18.Bf3 f5 19.Nh2 Rc8 20.a4 (20.Qd3 Qe7=) 20...Rfd8 21.Re1 Qf7 Attacks the backward pawn on c4 22.Qe2 Rc7 (22...Nc5 23.Bb7 Qb7 24.Ra1=+) 23.Rc2 (23.Red1 Qe6=) 23...Rdc8 24.Rec1 Nc5 25.Bb7 Rb7 26.Ra1 e4 27.Bg7 Qg7 28.Raa2 (28.Rd1 Nd3=+) 28...Nd3–/+ 29.Ra3 Rbc7 30.Rd3 ed3 31.Qd3 Qa1 32.Nf1 Qa4 33.Qd5 Rf7 34.Rc1 Qb4 35.Nd2 Qc5 36.Qd3 (36.Qe6 Rcc7 37.Nf3 Kg7–+) 36...d5! 37.g3 (37.cd5 Qc1 Pinning (37...Qc1 Deflection); 37.Qd5 Qd5 Combination) 37...Rfc7 38.Kh2 (38.Qb1 Qa3–+) 38...dc4 39.Rc4 Qb5 40.Rd4 (40.Rc7 Qd3 41.Rc8 Kg7–+) 40...Qd3 (40...Qd3 41.Rd3 a4–+) 0–1. zabazaba (1720) – nacho_day (1870), gameknot.com, 2013.

5.e3 b6 6.Nc3 (6.Bf6 ef6 7.Be2 Ra7+=) 6...Bb7 7.d4 (7.Nf3 Bg7+=) 7...d6 (7...cd4 8.ed4 e6 9.d5=) 8.d5 (8.dc5 bc5 9.Nd5 e5+=) 8...Bg7 9.f4 (9.Bd3 0-0=) 9...Nbd7 (9...e6 10.Qf3=) 10.Nf3 Qc7 (10...0-0 11.Qd3+=) 11.Bd3+= 0-0-0 (11...0-0 12.0-0+=) 12.Ne4 (12.0-0 e6+–) 12...Kb8 (12...e6 13.Neg5 Nf8 14.e4+=) 13.Qb3 (13.Nfg5 Rdf8+=) 13...Ka7 (13...e6 14.de6 fe6 15.Rd1+=) 14.0-0 h6 15.Nf2 (15.Nf6 Nf6 16.e4 e6+–) 15...Rhg8 (15...e6 16.e4+–) 16.Bc3 (16.e4 e6+–) 16...e6+= 17.de6 (17.e4 Rde8+=) 17...fe6 18.Qa3 (18.e4 Nh5 19.Nh3 Rdf8=) 18...d5 (18...Bf3 19.gf3 d5 A) 20.Bg6? Bf8–+ (20...dc4 21.Bf7+=); B) 20.cd5 Nd5 21.Bg7 Rg7 22.Be4=) 19.Ne5 (19.cd5 Bd5 20.e4+= (20.Bg6 Bf3 21.Bf7 Bg2 22.Ba5 ba5 23.Kg2 Qb7 24.e4 Ne4 25.Bg8 Rg8–+)) 19...g5= 20.Nd7 Rd7 (20...Nd7 21.Bg7 Rg7 22.fg5 Rg5 23.cd5–+) 21.Be5+= Qd8 22.Rad1 dc4 (22...gf4 23.ef4 Nh5 24.Qc1=) 23.Bc4 Nd5 24.Bd5 (24.Bg7 gf4 25.Bd5 Rd5 26.ef4 Rg7=+) 24...ed5 25.Ng4 (better 25.Bg7!? Rgg7 26.f5=) 25...gf4–/+ 26.Bf4 h5 Black prepares the advance d4 27.Nf2 d4 28.g3 (28.e4!?–/+) 28...h4 (28...de3 29.Qe3 Rd1 30.Rd1 Qd1 31.Nd1–+) 29.e4 (29.Qd3 hg3 30.hg3 Bd5–+) 29...hg3–+ 30.hg3 Bf6 (30...c4 31.Rc1 c3 32.Rfd1–+) 31.Qb3 (31.Qd3 Bg5 32.Nh1 Qe8 33.Bg5 c4–+) 31...Rh7 (31...Bg5 32.Bg5 Qg5 33.Rd3–+) 32.Kg2 (32.Rfe1 Bg5 33.Bg5 Qg5–+) 32...Bg5 (32...Qe8 33.Rde1–/+) 33.Bg5 (33.Bc1 Bc1 34.Rc1 Rhg7–+) 33...Qg5–+ 34.Rd3 Qh4?? (better 34...Re8 35.Re1 Qh5–+) 35.Qg8+– Qh2 (35...Be4 36.Ne4 Qe4 37.Rdf3+–) 36.Kf3 Qh5 (36...Rd7 37.Qg6 Qh8 38.Rc1+–) 37.g4 Qh6 38.Ke2 Rg7 (38...Re7 39.Rf3 Qh2 40.Rf7 Re4 41.Kd1+–) 39.Qf8 Qg6 40.Rf3 d3 (40...Rd7 41.Rf6 Qg5 42.Rf4+–) 41.Rd3 (41.Kd3 Rd7 42.Ke3 Qg5 43.Rf4 c4+–) 41...Rf7 (41...Be4 42.Rd6 Qh7 43.Kd2+–) 42.Rd6 Qh7 (42...Rf2 43.Kf2 Qe4 44.Qf6 Qg4 45.Rb6 Qg2 46.Ke3 Qe4 47.Kd2 Qd5 48.Kc1 Qc4 49.Kb2 Qe2 50.Ka1 Qf1 51.Qf1 Kb6 52.a4+–) 43.Qd8 Rc7 44.Rf6 Qh2 (44...Bc8 45.g5 Qh2 46.g6 Bg4 47.Ke1+–) 45.Qd6 (45.Rd1!? Qh7+–) 45...Qh7 (45...Qd6 46.Rd6 c4 47.Rc1+–) 46.Qb6 (46.Qb6 Kb8 47.Rf8 Rc8 48.Rc8 Kc8 49.Rc1+–) 1–0. GuestYNPC – GuestFPPB, freechess.org, 2018.

5.e3 Bg7 6.Nc3=.

5.e3 e6 6.a3 Bg7 7.c4 0-0 8.Nc3 b6 9.Na4 Bb7 10.Be2 d5 11.Nc3 (11.c5 Bc8+–) 11...Nbd7 12.d4 Ne4 13.Ne4 de4 14.Nd2 Qg5 15.0-0 f5 16.Qb3 f4 17.ef4 Qf4 18.Qe3 Bh6 19.Bg4 (19.Qf4!? Bf4 20.Nb3+/–) 19...Qe3 20.Be6 Rf7?? (better is 20...Kg7 21.fe3 Be3 22.Kh1 Bd2 23.Bd7 e3 24.d5 Kh6+=) 21.Bf7 Kf7 22.fe3 Ke6 23.Rae1 Ra4 24.d5 Ke7 25.Ne4 Rc4 26.Nf6 Nc5 27.Ng8 Ke8 28.Nh6 Nd3 29.Rb1 Rc2 30.e4 Nb2 31.Rf2 Rf2 32.Kf2 Nc4 33.Rb3 Kd7 34.Nf7 Ke7 35.Ng5 h6 36.Nf3 Nd6 37.e5 (37.e5 Ne4 38.Ke3 Bd5 39.Rb4+–) 1–0. lllllll21 – kamczen, kurnik, 2012.

5.h4 h5 6.Bf6 ef6 7.e4 c6 8.Nc3 Bg7 9.Bc4 0-0 10.0-0 d5 11.ed5 cd5 12.Nd5 f5 13.Ng5 Nd7 14.Nf4 Ne5? (better is 14...Qf6 15.c3 Nb6+/–) 15.Ng6!+– Nc4 (15...Ng6 16.Qh5 Decoy) 16.Qh5 (16.Nf8 Ba1 17.Qh5 Qf6+/–) 16...Qg5 17.hg5 fg6 18.Qg6 Bd7 19.d4 Rad8 20.c3 Bb5 21.Rfe1 Bc6?? (21...Be8 22.Qe6 Bf7 23.Qf5 Bd5+–) 22.Re7 Rd7 (22...Rf7 23.Qf7 Kh8 24.Qg7#) 23.Qg7# 1–0. usingprogram (2025) – xhekki13 (1660), kurnik, 2012.

5.Nf3 d5 6.e3 0-0 7.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.f4 0-0 5.Nf3 d5 6.Be2 a5 7.b5).

5.Nf3 d6 6.e3 e5 (6...0-0 7.Be2=) 7.fe5+= Ng4 8.Bc4 0-0 9.0-0 d5 (9...Nd7 10.Nc3 Nde5 11.Bb3+=) 10.Be2 Nd7 11.Nc3 (11.Bd4 Nde5 12.h3 Nf3 13.Bf3 Bd4 14.ed4 Nf6=) 11...Nde5 (11...Nge5 12.Ne5 Ne5 13.d4=) 12.h3 (12.Ne5 Ne5 13.d4 Nc4 14.Bc4 dc4+=) 12...Nf3 13.Bf3 (worse is 13.gf3 Nh6–+) 13...Nf6 14.Ne2 c5 (14...Qd6 15.Nf4+=) 15.bc6 (15.Rc1 Re8+=) 15...bc6 16.Ba3 (16.c4 Be6+=) 16...Re8= 17.c4 (17.Rb1!?=) 17...Ba6+= (worse is 17...dc4 18.Bc6 Rb8 19.Be8 Ne8 20.Rc1+/–) 18.cd5 cd5 (18...Ne4 19.Be4 Re4 20.Rb1 Qd5 21.Bb2+=) 19.Bb2= Rb8 20.Bd4 Ne4 (20...Bd3 21.Re1=) 21.d3 (21.Bg7 Kg7 22.Rb1 Rb1 23.Qb1 Qb8=) 21...Ng5 (21...Bd4 22.Nd4 Qg5 23.Nc2–/+) 22.Bg7 (22.Qd2 f6=) 22...Kg7+= 23.Qd2 Qe7 24.h4 Nf3 25.Rf3 Qb4 (25...Qa3 26.Nf4+=) 26.Rd1 (26.Qb4 Rb4 27.Nf4 Bb7=) 26...Qd2+= (worse is 26...Qh4 27.Qa5 Bb7 28.Nd4+=) 27.Rd2 Rb1 28.Kf2 (28.Kh2 Re1+=) 28...Reb8 29.Rc2 (29.Nf4 R8b2 30.Ke2 Rd2 31.Kd2 Rb2 32.Kc3 Ra2+=) 29...R8b7 (29...R1b2 30.Rc7 Rf8 31.Ke1 Ra2 32.Nd4–/+) 30.Nc1 R7b2 31.Rb2 Rb2 32.Kg3 a4 33.Rf2 a3 34.Kf3 Bb5 35.g4 Ba4 36.Rf1 Bc2+= 37.e4 d4 38.e5 Ba4 39.Ke4= Rb4 Black is in command 40.Kd5 Bd7 41.g5 Be6–/+ 42.Kc5 Rb1 43.Kd4 Ba2! 44.Rf2 Rb2 45.Re2 Be6 46.Kc3 Rb7 47.Rc2 a2! 48.Ra2 Rc7–+ 49.Kd4 Rc1 50.Ra8 Bf5 51.Rd8 Re1 52.Ra8 h5 53.Ra3 Rh1 54.Kc5 Rh3 55.Kc4 Be6 56.Kc5 Bf5 57.Kc4 Rh4 58.d4 Re4 (58...Re4 59.Kc5 Re2–+; 58...Rg4 59.Ra1–+) 0–1. Barendregt – Kuijpers, Amsterdam, 1966.

5.Bg2 0-0 6.c4 d6 7.a4 Nbd7 8.d3 e5 9.Nd2 Rb8 10.Ngf3 b6 11.0-0 Bb7 12.Qc2 Nh5 13.Ne1 f5 14.Bb7 Rb7 15.e3 f4 (15...Nhf6 16.f4=) 16.d4 Qe7 17.Qe4 (17.ef4 ef4 18.g4 Nhf6+/-) 17...Rbb8 (better 17...fe3!? 18.Qb7 e2+=) 18.ef4+/- Nhf6 19.Qe2 Rbe8 (19...e4 20.f3 Rbe8 21.Nc2 ef3 22.Qf3+/-) 20.de5 (20.fe5 de5 21.de5 Nc5+-) 20...de5 (20...Nh5!?+/-) 21.fe5+- Ne5 22.Ba3 Qd7 23.Bf8 Bf8 24.Ne4 Ne4 25.Qe4 Qf7 26.Qd5 Nc4 27.Qf7 Kf7 28.Nd3 Nd2 29.Rfd1 Nb3 30.Rab1 Nd4 31.Kg2 Bg7 32.Rbc1 Re7 33.Nf4 Rd7 34.Rd3 g5? (34...Ke8+-) 35.Ne2!! Ke6 (35...Ne2 36.Rd7 Double attack (36.Rd7 Pinning; 36.Rd7 Deflection)) 36.Nd4 Bd4 (36...Rd4 37.Rd4 Bd4 38.Rc7+-) 37.Rcd1 Ke5 38.f4! gf4 39.gf4 Ke4 40.f5! Rg7 (40...Kf5 41.Rd4 Deflection) 41.Rg3 Rf7 (41...Bf6+-) 42.Rg4 Ke3 (42...Ke5 43.Rdd4 Rf5 44.Rge4 Kf6+-) 43.Rgd4 (43.Rgd4 Rf5 44.Rd7 Rg5 45.Kh3+-) 1-0. MrKooshaJ (2600) - Alliswell998 (2760), Casual blitz game, lichess.org, 2022.

5.Bg2 0-0 6.c4 d6 7.Nc3 e5 8.d3 Nbd7 9.Na4 Re8 10.Qc2 Rb8 11.e3 b6 12.Ne2 Bb7 13.Bb7 Rb7 14.e4 Nf8 15.Nac3 Ne6 16.0-0 Qd7 17.Rae1 (17.f4 c5+=) 17...c5 18.bc6 Qc6 19.a4 Qd7 20.f4 Nc5 21.Rf3 Qh3 22.Kh1 Qh5 (22...Ng4 23.Ng1 Qh5 24.f5=) 23.Kg2+= g5 24.fg5 Qg5 25.Ref1 Qg6 26.Nd1 Nfe4 27.de4 Qe4 28.Qe4 Ne4 29.Rd3 Nc5 30.Ra3 e4 (30...Rc7 31.Nec3+/–) 31.Bg7+– Kg7 32.Ne3 Kf8 33.Nf4 Re5 34.Rd1 Rd7 35.Rb1 (35.Ng4 Rf5+–) 35...Rb7 36.Ned5 Nd7 37.Kf2 Re8 38.Ne3 Rc8 39.Nfd5 f6 (39...Rc6 40.Rab3+–) 40.Rbb3 (40.Nf5!? Rc6 41.Re3 Nc5+–) 40...Kf7 41.Rb5 Rcb8?? (41...Rc6+–) 42.Nf5 Ke6 (42...Ra7 43.Nd6 Kf8 44.Ke3+–) 43.Nf4 (43...Kf7 44.Nd6 Kg8 45.Nd5+–) 1–0. Akesson,Ralf (2530) – Ernst,Thomas (2405), Kraft Chess Cup, 1999.

5.c4 0-0 6.e3=.

5.c4 b6 6.e3 Bb7 7.d4 0-0 8.Nf3 d6 9.Be2 Nbd7 10.0-0 c5 11.bc6 Bc6 12.Nc3 e6 13.Qb3 Qe7 14.a4 d5? (better 14...Rac8+=) 15.Ba3+- Qd8 16.Bf8 Bf8 17.Nb5 dc4 18.Bc4 Nd5 (18...Bf3 19.gf3 Kh8 20.Rfc1+-) 19.Rac1 Rc8? (19...Qf6 20.Nd2+-) 20.Rfd1 (20.Na7 Rc7 21.Nc6 Rc6 22.Bd5 Rc1 23.Rc1 ed5 24.Qd5 Qe8+-) 20...Qf6? (20...Nc7 21.Nc7 Bf3 22.gf3 Rc7 23.f4+-) 21.Be2 (better 21.Na7 Rc7 22.Nc6 Rc6 23.Bd5 ed5 24.Qd5+-) 21...Ba8?? (better 21...Nb4+-) 22.Rc8 (22.Rc8 Bb7 23.Rc2+-) 1-0. ClayPigeons (2115) - jdhb18 (2105), Rated Bullet game, lichess.org, 2020.

5.d3 b6 6.Nd2 Bb7 7.Ngf3 d6 8.e4 Nbd7 9.Be2 e5 10.0-0 0-0 11.c4 Nc5 12.Qc2 a4 13.Rfe1 c6 14.Rac1 (14.bc6 Bc6 15.Rab1 Qc7+=) 14...cb5= 15.cb5 Rc8 16.Nc4 d5 (16...Nb3!? 17.Rb1 Nd7=) 17.ed5+= e4? (17...Nd5!? 18.Rcd1 Nf4 19.Be5 Be5 20.Nce5 Ncd3 21.Qa4 Ra8 22.Qa8 Qa8 23.Bd3 Rd8-/+) 18.de4 (18.Bf6!? Qf6 19.de4 Qd8+-) 18...Nce4+/- 19.Qa4 Bd5 20.Nfd2 1-0. kassanen (1800) - lo_fi (1850), Casual Blitz game, lichess.org, 2021.

5.d3 c6 6.bc6 Nc6 7.Nd2 d5 8.e4 de4 9.de4 0-0 10.Ngf3 Bg4 11.Be2 Qc7 12.e5 (12.Rb1 Rad8 13.Bd3 Bh6=+) 12...Nd5 13.c4 Nf4 14.0-0 (14.g3 Ne6-/+) 14...Rad8 15.Qe1 (better 15.h3 Ne5 16.Be5 Be5 17.Ra2 Bf3 18.Bf3-+) 15...Nd4?? (better 15...Ne5 16.Be5 Be5-+) 16.Bd4 (better 16.Nd4 Be2 17.Ne2+=) 16...Rd4?? (better 16...Ne2 17.Qe2 Rd4=+) 17.h3?? (better 17.Nd4 Ne2 18.Ne2 Be5 19.Rb1 Bh2 20.Kh1+-) 17...Ne2 (17...Bf3!? 18.Bf3 Nd3-+) 18.Qe2-/+ Bf3 19.Nf3 Rc4 20.Rab1 Rc8 21.e6 f6 22.Rfd1 Rc6 23.Rd7 Qb8 (23...Rc1 24.Rd1 Rd1 25.Rd1=+) 24.Qe4 (better 24.Rbb7 Qf4 25.Ne1+=) 24...b6 25.Nh4?? (better 25.Qe1=+) 25...Rc1-+ 26.Rc1 (26.Rd1 R8c4 27.Qe3 Rd1 28.Rd1 Rh4 29.Rd7-+) 26…Rc1 (26...Rc1 27.Rd1 Rd1 28.Qe1 Re1) 0-1. kassanen (1800) - lo_fi (1850), Casual Blitz game, lichess.org, 2021.

5.d3 d5 6.Nd2 c6 7.Ngf3 cb5 8.a4 (8.e4 0-0=+) 8...b4 9.c3 bc3 10.Bc3 0-0 11.Bb2 Nc6 12.e3 Re8 13.Be2 e5 14.0-0 Bg4 15.e4 de4 16.de4 Qc7 17.h3 Be6 (better 17...Bf3 18.Bf3 Red8-/+) 18.Ne5?? (better 18.Rc1=+) 18...Ne5-+ 19.Be5 (19.Rc1 Nc6-+) 19...Qe5 20.Nf3 (20.Bb5 Re7 (worse 20...Ne4 21.Be8 Re8 22.Ne4 Qe4 23.Re1-+) 21.Qe2 Qd4-+) 20...Qe4 21.Re1 Rad8 22.Bb5 (22.Qc1 Qf5 23.Bb5-+) 22...Rd1 23.Red1 (23.Rad1 Qf4 24.Rd4 Qc7 25.Be8 Ne8-+) 23…Bh3 (23...Bh3 24.Be8 Ne8-+; better 23...Rc8 24.Rd4 Qc2 25.Rd2-+) 0-1. kassanen (1700) – tipsytun, Casual Bullet game, lichess.org, 2020.

5.e3 d5 6.Nf3 Bd7 7.c4 dc4 (7...c6 8.cd5 cd5 9.Be2=) 8.Bc4+= 0-0 9.0-0 Bg4 10.h3 Bf5 11.d4 Nbd7 12.Nc3 b6 (12...Nb6!? 13.Bd3 Bd3 14.Qd3 Qd6+=) 13.Re1 (13.g4 Be4 14.Ne4 Ne4+–) 13...Ne4+/– 14.Ne4 (14.Bd5 Nc3 15.Bc3 Rc8+/–) 14...Be4 15.Bd3 Bd3 16.Qd3 Nf6 (16...Rc8 17.Rec1+=) 17.Rac1+/– Nd5 18.Qc4 (18.e4 Nf4 19.Qe3 Ne6+/–) 18...Qd7 (18...f5 19.Ne5 Be5 20.de5+/–) 19.e4 Nf4 20.Rcd1 Rac8 21.Qc6 Qd8 (21...Rfd8 22.Bc1 Ne6 23.Be3+/–) 22.e5 Ne6 23.a4 Bh6 24.Qc3 Ng5? 25.Ng5+/– Bg5 26.g3 e6 27.Kg2 Bh6 28.Bc1 Bc1+= 29.Rc1 Qe7 30.Rcd1 Qg5 31.Rd3 Rfd8 32.Red1 Rd5 33.f4 Qh5 34.Qd2 Rcd8 35.Qe3 h6 36.Qf3 Qf3 37.Kf3 Kg7 38.g4 Kf8 39.h4 White prepares the advance g5 39...Ke7 40.Ke4 f6 41.g5 f5 42.Ke3 h5 43.Rc3 R8d7 44.Rc6 Kd8?? 45.Rd3 Ke7+/– 46.Rd1 Kd8 47.Re6 Rg7 48.Rc6 Kc8 49.Kd3 Rgd7? 50.Kc4 Rg7 51.Rd3 Rgd7 52.Rg6 Kb7 53.Rh6 Rd4 54.Rd4 Rd4 55.Kd4 c6 56.bc6 Kc7 57.Kc4 (57.Kc4 Kb8 58.Kb5 Kc7 59.Rh7 Kc8 60.g6 Kd8 61.g7 Ke7 62.g8Q; 57.g6 Kc8 58.g7 Kc7 59.g8Q b5 60.Qg7 Kc8 61.Rh8) 1–0. Fournier,Frederic – CDMGALLO, Active, 2007.

5.Qc1 0-0=+ 6.c4 c5 (6...d6 7.d4=+) 7.e3 d5 8.d3 Nbd7 (8...dc4 9.Qc4 Nbd7 10.Be2=) 9.Be2 b6 10.Bf3 Bb7 11.Ne2 Rb8 12.cd5 Nd5 13.Bg7 Kg7 14.Bd5 Bd5 15.Qc3 (15.0-0 Nf6=) 15...Kg8 16.Nf4 (16.0-0 Rc8=) 16...Bb7 17.0-0 e5 18.Ne2 Qg5 19.Ng3 h5 20.e4 (20.Ne4!? Be4 21.de4+=) 20...h4=+ 21.Qd2?? (better 21.Ne2=+) 21...Qd2-+ 22.Nd2 hg3 23.fg3 Nf6?? (23...f5 24.ef5 Rf5 25.g4 Rf1 26.Rf1-+) 24.Nf3?? (better 24.Rf6 Bc8 25.Nc4+-) 24...Rfe8-+ 25.Rac1 (25.Ne5 Ne4 26.Nd7 Rbd8 27.Nb6 Rd3-+) 25...Rbd8 26.Ne1?! (26.Ne5 Re5 27.Rf6 Rd3 28.Rb6 Be4 29.Rb8 Kg7-+) 26...Ng4 (26...Kg7 27.Rc2-+) 27.Rf3 (27.h3 Nh6 28.g4 Kg7-+) 27...f5! 28.h3 (28.ef5 Bf3 Pinning (28...Bf3 Deflection)) 28...fe4 29.de4 Nf6 (better 29...Be4 30.hg4 Bf3 31.gf3 e4-+) 30.Rf6+/- Be4 31.Rb6 Rf8 (better 31...Rd4+/-) 32.Rc5?? (better 32.Ra6+-) 32...Rd1-+ 33.Re5 Re1 34.Kh2 Rf2 35.Re4 (35.h4 Ree2 (35...Rg2 36.Kh3 Ra2 37.Kg4 Bf5 38.Rf5 gf5 39.Kf5-+) 36.Re4 Re4 37.Rg6 Kf7-+) 35...Re4 36.Rg6 Kf7 37.Rg4?? (37.Ra6 Ra4 38.b6-+) 37...Rg4 38.hg4 Kg6 39.Kh3 Ra2 40.b6 Ra4 41.b7 Rb4 42.g5 Kg5 43.g4 Rb7 44.g3 Rb3 (44...a4 45.Kh2 Kg4 46.Kg2 Rb2 47.Kf1 a3 48.Ke1 a2 49.Kd1 a1Q) 45.Kg2 (45.Kh2 a4 46.Kg2 a3 47.Kh2 a2 48.Kg2 a1Q 49.Kh2 Rb2 50.Kh3 Qf1) 45...Kg4 (45...a4 46.Kh2 a3 47.Kh3 a2 48.Kh2 Kg4 49.Kg1 Rb2 50.Kf1 a1Q) 46.Kf2 a4 47.Ke2 a3 48.Kd2 (48.Kf2 a2 49.Ke2 a1Q 50.Kd2 Qa2 51.Ke1 Rb1) 48...Rg3 (48...a2 49.Kc2 Ra3 50.Kc1 a1Q 51.Kc2 Rc3 52.Kd2 Qb2 53.Ke1 Rc1) 49.Kc2-+ Kf4 50.Kb1 Rg2 51.Ka1 Ke3 (51...Ke4 52.Kb1 Kd4 53.Ka1 Kc4 54.Kb1 Kb3 55.Kc1 a2 56.Kd1 a1Q) 52.Kb1 Kd3 53.Ka1 Kc3 54.Kb1 Rd2 (54...Kb3 55.Kc1 a2 56.Kd1 a1Q) 55.Kc1 Rh2 (55...Rc2 56.Kb1 a2 57.Ka1 Rc1 58.Ka2 Rg1 59.Ka3 Ra1) 56.Kb1 a2 (56...Kb3 57.Kc1 a2 58.Kd1 a1Q) 57.Ka1 Rh1 58.Ka2 Rg1 (58...Rg1 59.Ka3 Ra1) 0-1. ch77essi988 (1735) - Kimov (1750), Rated Blitz game, lichess.org, 2017.

5.c4 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.b5 Bg7 4.a4 0-0 5.c4 a5).

5.c4 b6 6.g3 (6.e3 c5=) 6...Bb7=+ 7.Nf3 d5 (7...Bf3!? 8.ef3 c6=) 8.cd5= Bd5 9.Bg2 Nh5 (9...0-0 10.Nc3+=) 10.Bg7+/- Ng7 11.0-0 h5 12.Nc3 Bb7 13.Qb3 (13.d4 h4+/-) 13...Ne6 14.Ne5 (14.Qb2 Ra7+/-) 14...Bg2+= 15.Kg2 h4 (15...Qd2 16.Nd5 Rh7+- (16...Qe2?? 17.Rfe1 Qd2 18.Rad1 Qd1 19.Qd1+-)) 16.Ne4?? (better 16.Ng6 h3 17.Kh1+/-) 16...h3 17.Kg1 Qd4 18.Nf7 Qe4 19.f3 Qd4 20.e3 Qf6?? (20...Qd2 21.Ra2 Qa2 22.Qa2 Kf7+/-) 21.Nh8+- Nd7 22.Qd5 (22.Qc3 g5+-) 22...Rd8? (22...0-0-0 23.Ng6! Qg6 24.d4+/-) 23.Rac1?? (better 23.Qc6+-) 23...Ndc5+/- 24.Qc6 Kf8 25.Rc4 (better 25.d4!? Qh8 26.Rc5 Nc5 27.Qc7+= (worse 27.dc5 Qb2 28.f4 Rd2-/+)) 25...Qh8= 26.Rh4 (26.d4 Rd6 27.Qa8 Rd8=) 26...Qf6 (26...Qb2 27.Rh3 Kg7 28.f4 Qd2 29.g4-/+) 27.Rh3 (27.d4 A) worse 27...Na4 28.Qc4+- (28.Rh3 Ng5 29.Qf6 ef6 30.Rh8 Ke7 31.Rd8 Kd8=+); B) 27...Rd6 28.Qa8 Rd8=) 27...Kg7 (27...Rd2!? 28.Rh4 Kg7-/+) 28.d4=+ Nd3 (28...Ng5 29.Rh4 Qc6 30.bc6 Na4 31.f4-/+) 29.d5 (better 29.f4+/-) 29...Ng5=+ 30.Qf6 ef6 31.Rh4 Rd5 32.Rd4 (32.Rc4 Nc5-/+) 32...Rd4 33.ed4 Kf7 (33...Ne6 34.f4-+) 34.f4 (34.d5 Nc5 35.h4 Nh7-/+) 34...Ne4 35.Rd1 Nb4 (35...Nb2 36.Rc1 Ke6-+) 36.d5? (36.Rc1 Nd5-/+) 36...Nd6 (36...Nc5 37.Ra1-+) 37.Re1 (37.Kf2!?-/+) 37...Nd5-+ 38.h4 (38.Kg2 Nc3 39.Ra1 Nde4-+) 38...Nc4 (38...Nc3!? 39.Ra1-+) 39.Rd1 Nde3 (39...Nb4!?-+) 40.Rd7-/+ Ke6 (40...Kf8 41.Rc7 Nb2 42.Rc8 Kg7 43.Rc3-/+) 41.Rc7=+ Nb2 (41...Nd6 42.Rc6 Nec4 43.g4=) 42.Rc6= Ke7 (42...Kf5 43.Rb6 Na4 44.Rc6=) 43.Rb6+= Na4 44.Ra6 Nc4 45.Kf2 (45.g4 Kf7+=) 45...Nab6 46.Ke2 (46.f5 gf5 47.h5 a4=) 46...a4 (46...Ke6 47.g4=+) 47.Kd3 (47.f5 gf5 48.Ra7 Kf8=) 47...a3 (47...Ke6 48.g4=+) 48.Kc3 (48.g4!?=) 48...Ke6-/+ 49.Kb3 Kf5 (49...f5!?=+) 50.Ra7= Kg4 (50...Nc8 51.Ra6 N8b6 52.Ra7=) 51.Rg7+= Kg3 52.Rg6 Kf4 (52...Kh4 53.Rf6 Kg4 54.Rg6 Kf4 55.Rf6 Ke5 56.Rb6 Nb6 57.Ka3=) 53.Rf6+/- Kg4 54.Rh6 Kf5 55.Rb6 Nb6 56.Ka3 Kg4 57.Kb4 Kh4 58.Kc5 Na4 59.Kb4 Nb6 60.Kc5 Na4 61.Kb4 Nb6 62.Kc5 ½-½. Zpytasz (1620) - xvid (1835), Rated Rapid game, lichess.org, 2015.

5.c4 c5 6.Nf3 b6 7.d3 Bb7 8.Nbd2 e6 9.g3 d5 10.cd5 ed5 11.Bg2 0-0 12.0-0 Re8 13.e3 Nbd7 14.Rc1 h5 (14...Rc8 15.Re1=) 15.Re1 Qc7 16.Nb3 Nf8 17.Nbd4 Rad8 18.Ne2 Ne6 19.Qb3 Qd7 20.Ne5 Qe7 Black intends d4 (20...Qd6 21.Qc2=) 21.f4 (21.Nc6 Bc6 22.bc6 Qd6 23.Bf6 Bf6 24.Qb6 Rc8+/-) 21...d4 (21...Ng4!? 22.Ng4 hg4 23.Bg7 Ng7=) 22.Bb7 Qb7 23.e4 (23.ed4 Ng4 24.Nc6 Rd7+=) 23...Nd7 (23...Ne4 24.de4 Be5 25.fe5=+) 24.Nd7 (24.Nc6 Rc8=) 24...Qd7 25.Rf1 Bh6 26.Rce1 Ng7 27.Bc1 Qg4 28.Kg2 h4 (28...Qe6 29.Qe6 Re6= (29...Ne6? 30.f5 gf5 31.ef5+-)) 29.h3+/- Qd7 (better 29...Qc8!? 30.f5 c4 31.dc4 Bc1 32.fg6 fg6 33.Nc1 Qc5+/-) 30.g4+- (30.gh4?! Kh7+=) 30...Kh7 (30...Ne6 31.f5 Ng5 32.fg6 Qe6 33.gf7 Nf7 34.Qe6 Re6+-) 31.g5 Nh5 32.Ng1?? (better 32.gh6 f5 33.e5+-) 32...Bg7+/- 33.Nf3 Re6 34.Nh4 Rde8 35.Nf3 (35.Qd1 Qc7+/-) 35...R6e7 36.Qc4 Qc7 37.Nh2 f6 38.gf6 Bf6 39.Ng4 (39.Rf3!?+/-) 39...Bh4= 40.Re2 Rf8 Can f4 get defended? 41.Rf3 Ref7 (41...Nf4!? 42.Bf4 Rf4=+) 42.e5+= Qd7 (42...Bg5!+=) 43.e6+/- Qe7 44.ef7?? (44.Re4 Rf5 45.Ne5=) 44...Qf7?? (better 44...Qe2 45.Nf2 Ng7-/+) 45.Qf7+- Rf7 46.Ne5 (better 46.Re6 Bd8 47.Ne5+-) 46...Nf6 (46...Re7+-) 47.Nf7 Nh5 48.Ng5 Kh6 49.Re7 Bg5 50.fg5 1-0. alberto99 (2540) - alifie (2470), Rated Bullet game, lichess.org, 2020.

5.c4 c6 6.e3 0-0 7.h3 d5 8.Nf3 Nbd7 9.Ne5 cb5 10.ab5 Ne5 (10...Ne4 11.Nd3 dc4 12.Bg7 Kg7+= (worse is 12...cd3 13.Bf8 Nf8 14.Nc3+=)) 11.Be5= dc4 12.Bc4 b6 13.Nc3 Bb7 14.0-0 Rc8 15.Qe2 Qd7 16.Rac1 Rfd8 17.Na4 Nd5 18.Bg7 Kg7 19.Bd5 (better is 19.e4!? Nf4 20.Qf3 Qd2 21.Nb6+=) 19...Qd5+= 20.Nb6?? (better is 20.f3 Rd6 21.Rc8 Bc8 22.d4+=) 20…Qg2 0–1. aleksandras19 – sanyi49, kurnik, 2012.

5.c4 d6 6.e3 Nbd7 7.Nf3 0-0 8.d4 c5 9.Nbd2 cd4 10.Bd4 e5 11.Bb2 Nb6 12.Be2 Bg4 13.h3 Bf3 14.Bf3 Qc7 15.Rc1 Rad8 16.0-0 Nbd7 17.Kh1 (17.Ne4 Ne4 18.Be4 Rc8+=) 17...Nc5= Black prepares e4 18.Ba3 e4 19.Be2 Nfd7 20.Qc2 f5 21.g4 (21.f3 Nf6=) 21...Ne5 (21...fg4 22.Bg4 Rde8 23.Rcd1=+) 22.Bc5 dc5 23.g5 (better 23.gf5!? Nd3 24.Rcd1=+) 23...Qe7 24.Rg1 b6 25.Kh2? (better 25.Rcd1-/+) 25...Qd6-+ 26.Kg2 (26.Nf1 Nf3 27.Kg2 Ng1 28.Kg1-+) 26...Qd2 27.Qd2 (27.Rgd1 Qc2 28.Rc2 Rd1 29.Bd1 Nd3-+) 27...Rd2 28.Rge1 Rfd8 29.Rcd1 Rd1 (better 29...Nf3!? 30.Rh1 Ng5 31.h4-+) 30.Rd1 Rd1 31.Bd1 Nc4 (better 31...Nd3-+) 32.Bb3-/+ Kf8 33.Bc4 Ke7 34.Bd5 Kd6 35.Bc4 Ke5 36.Kf1 (36.f4 ef3 37.Kf3 h6-/+) 36...f4 37.Ke2 fe3 (37...f3 38.Kd2-+) 38.fe3-/+ Kf5 39.Kf2 (39.Bg8!?-/+) 39...Kg5-+ 40.Kg2 Be5 41.Bd5 Kh4 (41...Kf5 42.Kf2-+) 42.Be4 1-0. kasperoff (1675) - maximkavm (1680), Hourly SuperBlitz Arena, lichess.org, 2018.

5.d4 0-0 6.c4 c6 7.e3 b6 8.Bd3 d5 9.Nd2 e6 10.f4 c5 11.dc5 bc5 12.Qc2 Bb7 13.Ngf3 Nbd7 14.0-0 Rc8 15.Bc3 Qb6 16.Ne5 d4 17.ed4 cd4 18.Bb2 Ne5 19.fe5 Ng4 20.Rae1 Ne3 (20...Ne5?! 21.Ba3 Rfd8 22.c5=) 21.Qc1 Be5 22.Ba3 Bg2 (better is 22...Rfe8!? 23.Nf3 Nf1 24.Ne5 Ne3–+) 23.Rf2+= Qb7 24.c5 (24.Bf8!? Rf8 25.Ree2=) 24...h5 (24...Qd5 25.Nf1 Bf1 26.Bf1–+) 25.c6 Bc6 (better is 25...Bh2 26.Kh2 Qb8 27.Kg1 Bc6 28.bc6 Qg3 29.Kh1 Qf2–/+) 26.bc6+= Rc6 27.Qb1?? (better is 27.Qa1 Rfc8 28.Be4+=) 27...Qb1–+ 28.Rb1 Rfc8 29.Re2 1–0. amator111 (1655) – jtoms, kurnik, 2011.

5.e3 c5 6.c4 b6 7.Qf3 (7.d4 cd4 8.Bd4 0-0=) 7...Ra7 8.Nc3 Bb7 9.Qd1 Ne4 (9...0-0 10.d4=) 10.Nf3= 0-0 11.Be2 d6 12.Qc2 Nf6 (12...f5 13.d3 Nc3 14.Bc3=) 13.0-0+= Nbd7 14.d4 cd4 15.Nd4 (15.ed4 Qc7=) 15...Nc5 (15...Qc7 16.e4=) 16.Bf3 (16.Nc6 Bc6 17.bc6 Rc7+=) 16...Bf3 17.Nf3 Nfd7 (17...Rc7 18.Rad1=) 18.Nd5 Bb2 19.Qb2 e6 20.Nf4 (20.Nd4 ed5 21.Nc6 Qf6 22.Qf6 Nf6 23.Na7 dc4=) 20...Qf6 21.Qd2? (better 21.Qf6 Nf6 22.Rfd1=) 21...Nb3–+ 22.Qd6 (22.Qa2 Na1 23.Ra1 Ne5–+) 22...Na1 23.Qb6?? (better 23.Qd1–+) 23…Nb6 0–1. AhmedSultanov (1790) – dollarsignmccool (2200), lichess.org, 2019.

5.g3 c5 6.c4 0-0 7.Bg2 d5 8.cd5 Nd5 9.Bg7 Kg7 10.Nf3 Nd7 11.0-0 e5 12.Qc2 Nb4 13.Qb2 f6 (13...Qf6 14.Nc3=) 14.Nc3 Nb6 15.d3 Be6 16.Rad1 Qe7 17.Nd2 Rad8 18.Nde4 f5 19.Nd2 Kg8 20.Nf3 Rd6 (better is 20...Bd5!?=) 21.Ne5+/– Rfd8 22.Nf3 Qf6 23.Qa1 (23.Qa3 g5+/–) 23...g5 (23...Nc2 24.Qb2 Nb4 25.Qa3+/–) 24.h4 (24.h3 R8d7+/–) 24...gh4 (24...g4 25.Nd2+=) 25.Nh4+/– f4? (25...c4 26.dc4 Nc4 27.Rd6 Nd6 28.Qc1+/–) 26.Bb7 (better is 26.Ne4!? Qa1 27.Ra1+–) 26...Qg7 27.Ne4 (27.Bg2!? Nc2 28.Qb2+–) 27...Qb7+= 28.Nd6 Rd6 29.Qe5 Nc8 30.Qf4 Bh3 31.Qg5 Qg7 32.Qc5 Rh6 33.Ng2 Nb6 34.Qe3 N4d5 35.Qe8 Qf8 36.Qf8 Kf8 37.Rc1 Na4 38.Rc6 Rh5 39.e4 Ndb6 40.Rb1 Ke7?? 41.Nf4 Bg4 42.Nh5 Bh5 43.Rh6 Bg6 44.f4 Kf7 45.f5 Kg7 46.Rg6! hg6 47.g4 g5 48.Kf2 Kf6 49.Ke3 Nc3 50.Rh1 a4 51.Rh6 Ke7 52.Rb6 a3 53.Ra6 a2 54.b6 Kd7 55.b7 Kc7 0–1. simoneperf – varin123, playok.com, 2012.

5.g3 d5 6.Bg2 c6 7.Nc3 e5 8.Nf3 Nbd7 9.0-0 0-0 10.Ng5 Nb6 11.Ba3 (11.d3 Ng4 12.Qd2 Re8=+) 11...Re8-/+ Black prepares the advance e4 12.e3 e4 13.Nh3 Nc4 14.Bc5 (14.Nf4 d4 15.ed4 Qd4-/+) 14...Nd7 (14...Bg4!? 15.Qe1 Nd7 16.Bd4 Bd4 17.ed4-+) 15.Bd4-/+ Nce5 (better 15...Nde5!? 16.Nf4 Bg4-/+) 16.Nf4= c5 17.Be5 Ne5 (worse 17...Re5 18.Nfd5 Nf8 19.Nf4+/-) 18.Nfd5 (18.Ncd5? Bg4 19.Qc1 g5-+) 18...f5?? (18...Bg4 19.Qc1 Nf3 20.Kh1=+) 19.Nf4?? (19.d3!?+/-) 19...b6 (better 19...Nc4!? 20.Re1 g5=+) 20.d3+= Bb7 21.de4 fe4 (21...Nc4 22.e5 Bg2 A) worse 23.Ng2 Be5 (worse 23...Re5 24.Qe2 Nd6 25.Rad1+/-) 24.Qd3 Qd3 25.cd3 Bc3-/+; B) 23.Kg2+=) 22.Qd8 (22.Ne4!? Nf7 23.Nf6 Bf6 24.Bb7 Ba1 25.Qa1+/-) 22...Rad8+= (22...Red8? 23.Ne4 Nc4 24.Rab1+-) 23.Ne4 (better 23.Rad1 Nf3 24.Bf3 ef3 25.Rd8 Rd8 26.Ne6+=) 23...Be4? (better 23...Nf7 24.Nf6 Bf6 25.Bb7 Ba1 26.Ra1 Rd2=) 24.Be4+- Nc4 (better 24...g5 25.Nh5 Nc4+-) 25.Rad1?? (better 25.Bd5 Rd5 26.Nd5 Ba1 27.Ra1+-) 25...Rd1-/+ 26.Rd1 Re4 27.Rd7 (27.Rd8 Kf7-/+) 27...Ne5 (better 27...Nb2!?-+) 28.Rb7-/+ Ra4 29.Ne6 Bf8 (29...Bh6 30.Rb6 Ra1 31.Kg2 Rc1-/+) 30.Rb8? (30.f4 Ng4 31.Rb8 Ra1 32.Kg2+=) 30...Nd7-+ 31.Rd8 Kf7 32.Nc7 (32.Rd7 Ke6 33.Rh7 c4-+) 32...Ke7 (32...Ra1 33.Kg2 Rd1 34.Na8-+) 33.Ra8 Ra2 34.Nd5 Kf7 (34...Ke6 35.Nb6 Nb6 36.Ra6 Rc2 37.Rb6 Kd5 38.Ra6-+) 35.Rd8 (35.c4 Rc2 36.Ra7 Ke6 37.Nc7 Kd6-+) 35...Ne5 36.Nb6 Rc2 37.Rd7 (37.Ra8-+) 37...Nd7 38.Nd7 Ke7 (better 38...a4 39.Kg2 a3 40.b6-+) 39.Ne5 (39.Nb6 c4 40.Kf1 c3 41.Nd5 Kf7 42.Nc3 Rc3-+) 39...Bg7 (better 39...a4 40.Nc6 Kd7 41.Ne5 Kc7 42.Kg2-+) 40.Nc6 Kd6 41.Nd8 (41.Na5 c4 42.Kf1-+) 41...Kd7 42.Nc6 Rb2 (better 42...a4 43.Na5 a3 44.Kg2-+) 43.Na7 (43.Na5 Rb5 44.Nc4-+) 43...Kc7 (43...a4 44.Kg2 a3 45.Kf3 a2 46.Nc6 a1Q 47.Kg2 Qe1 48.Ne5 Be5 49.Kh3 Qf2 50.Kh4 Qh2 51.Kg5 Qh5) 44.Kg2 Kb7 (better 44...a4 45.Nc6 a3 46.Na5-+) 45.b6 Rb6 (45...c4 46.Nb5 Rb5 47.Kf3 c3 48.Ke2 Rb2 49.Ke1 c2 50.Kd2 Bc3 51.Ke2 c1Q 52.Kf3 Qh1 53.Kf4 Rf2 54.Kg5 Qd5 55.Kg4 Qh5) 46.Nc8 Kc8 47.e4 a4 48.Kf3 a3 49.Kf4 a2 50.e5 (50.Kg4 a1Q 51.Kh3 Qf1 52.Kg4 h5 53.Kg5 Qf2 54.e5 Qf5 55.Kh4 Qg4) 50...Be5! 51.Ke5 (51.Ke5 a1Q Mate attack) 51...a1Q 52.Kd5 (52.Ke4 Qd4 53.Kf3 Qd5 54.Kf4 Rf6 55.Ke3 Re6 56.Kf4 Qf5) 52…Qd4 0-1. Zpytasz (1660) – ihsanxxyxman, Rated Rapid game, lichess.org, 2019.

6.Nc3 d6 7.Nge2 e5 8.Ng3 Be6 9.Be2 c6 10.0-0 cb5 11.Bb5 Nc6 12.Bc6 bc6 13.f4 ef4 14.Rf4 Nd5 15.Rf1 Nc3 16.Bc3 Bc3 17.dc3 Rb8 18.Qd4 d5 19.h4 (19.Rab1 Rb1 20.Rb1 Re8=) 19...Qb6 20.Qe5 Qd8 21.h5 (21.Qd4 Rb2–/+) 21...Qe7 22.h6 f6 23.Qd4 c5 24.Qd2 Qd6 (better is 24...Rfd8–/+) 25.e4?? (better is 25.Ne4! Qe7 26.Ng3=) 25...Qg3–+ 26.Rf3 (26.ed5 Qd6 27.Rad1 Bf5–+) 26...Qg5 27.Qg5 fg5 28.Rg3 (28.Re1 Rf3 29.gf3 de4 30.Re4 Kf7–+) 28...de4 29.Rg5 Bf5 30.Rd1 Rfd8 31.Re1 Rd2 32.Rf1 Kf7 33.Rff5 gf5 34.Rg7 Kf6 35.Rh7 Kg6 36.Rg7 Kh6 37.Rf7 Rg8 38.Rf6 Kg5 39.Rc6 Kf4 40.Rc5 Kg3 41.Rf5 Rd1 (41...Rd1 42.Rf1 Rgd8 43.c4 R8d2 44.c5 Rg2 45.Kh1 Rf1) 0–1. 56ctx56 – ludek555, kurnik, 2012.

6.c4 b6 7.f4 Bb7 8.Nf3 d6 9.Nc3 Nbd7 10.Qc2 Nh5 11.d4 Bf3 12.gf3 e5 13.f5 (better is 13.fe5 de5 14.0-0-0 ed4 15.ed4=) 13...Qh4 14.Qf2 Qf2 15.Kf2 ed4 16.ed4 Bd4 17.Ke2 Nf4 18.Kd2 Nc5 19.Kc2 Rfe8 20.fg6 fg6 21.Nd5 Bb2 22.Kb2 Nd5 23.cd5 Re3 24.Bh3 Rf3 25.Be6 Kg7 26.Raf1 Raf8 27.Rf3 Rf3 28.h3 Re3 (better is 28...Na4!? 29.Kc2–+) 29.Bc8 Re5 0–1. jura1946 – eliv, kurnik, 2013.

6.c4 c5 7.Nf3 d5 8.cd5 Nd5 (8...Qd5 9.d4=) 9.Bg7+= Kg7 10.Be2 Nd7 11.0-0 e5 12.Nc3 Ne7 13.Qc2 f5 14.d3 h6 15.Rfd1 Nf6? (better is 15...f4!?+=) 16.Ne5+– Qc7 17.Nf3 (17.d4 cd4 18.ed4 Be6+–) 17...g5 (17...f4 18.ef4 Qf4 19.Qc1 Qc1 20.Rac1+/–) 18.e4 (18.d4 f4+–) 18...f4 (18...g4 19.Nd2+/–) 19.e5 Nfd5 (19...Nd7 20.h3+–) 20.Nd5+– Nd5 21.d4 Bf5 (21...cd4 22.Qc7 Nc7 23.Nd4+–) 22.Qc4 Qf7 (22...Rad8 23.dc5 g4 24.Rd5 gf3 25.Rd8 (25.Bf3?! Be6 26.Re1 Qf7+–; 25.gf3 Be6 26.Rad1 Qf7 27.Rd8 Bc4–/+) 25...Rd8 26.Bf3 Qe5 27.Rc1+–) 23.dc5 (worse is 23.Qc5 Rac8 24.Qa3 Rc3+–) 23...Be6 (23...Rad8 24.Nd4 Bc8 25.Bf3+–) 24.Qc1 (24.Nd4!? Nc7 25.Qc3 Bd5+–) 24...Rac8 25.c6 bc6 26.bc6 Rc7 27.Bb5 g4 28.Ne1 Qf5 29.Qb2 g3 30.hg3 fg3 31.f3?? Ne3 32.Rd6?? Qh5 33.Rd7 Rd7 34.cd7 Qh2 0–1. rom49szachy – deres54, playok.com, 2013.

6.d4 d6 7.c4 Nbd7 8.Nf3 Re8 9.Be2 c6 (9...c5 10.0-0=) 10.0-0+= Qc7 11.Qb3 e5 12.Re1 e4 13.Nfd2 Nf8 14.Qc2 h5 15.Ne4?? (better is 15.Nc3+=) 15...Ne4–/+ 16.Qe4?? (better is 16.Bd3 Nf6 17.Nc3–+) 16...Re4–+ 17.Nc3 Re8 18.Bf3 Bg4 19.Bg4 hg4 20.Ne2 Nh7 21.Ba3 Ng5 22.Rac1 White prepares the advance c5 22...Qd7 23.Nc3 d5 24.c5 Nf3! 25.gf3 gf3 26.Kh1 Qh3 27.Rg1 Qh4 28.Rg3 Qh5 29.Rcg1 Kh7 30.Bc1 Rh8 31.Nb1 Kg8 32.h3 Qf5 33.Nd2 Rh3 34.Rh3 cb5 (34...cb5 35.Rf3 Qd7 36.ab5 Qb5–+; 34...Qh3#) 0–1. popovicigelu – krysiabatorka (1705), kurnik, 2012.

6.Nf3 c6 7.c4 cb5 8.cb5 b6 9.d4 Bb7 10.Be2 d6 11.Nbd2 Nbd7 12.Rc1 e5 (12...Rc8 13.Rc8 Qc8 14.0-0=) 13.de5+/- de5 14.Be5 (14.Ne5 Bg2 15.Rg1 Bd5+=) 14...Nc5 (better 14...Ne5!? 15.Ne5 Bg2=) 15.Nc4 Bf3 16.Bf3 (better 16.gf3!? Rc8 17.Kf1+/-) 16...Nd3= 17.Ke2 Nc1 18.Qc1 Rc8 19.Bb7 (better 19.Rd1!? Qe7 20.Bc6=) 19...Rc5 (better 19...Qd7 20.Bc6 Rc6 21.bc6 Qc6-/+) 20.Bd6?? (better 20.Bd4 Nd7 21.Bc5 Nc5 22.Rd1=+) 20...Rc4!-+ 21.Qc4 Qd6 22.Rd1 Qe7 (22...Qh2 23.g3 Qh5 24.Bf3-+) 23.Qc6 (23.Bf3-+) 23...Qc5?? (better 23...Rb8 24.Bc8 Ne4-+) 24.Qc5-/+ bc5 25.Rc1? (25.Rd6 c4 26.Ra6 c3 27.Ra5 Ng4=+) 25...Rd8 (better 25...Nd7-+) 26.Rc5=+ Nd5?? (better 26...Nd7 27.Rd5 Bf6-/+) 27.Bd5?? (better 27.Rd5 Rd5 28.Bd5+-) 27...Bf8+/- 28.Bf7 Kf7 29.Rc7 Kg8 30.b6 Rb8? (better 30...Bd6!? 31.Rb7 h5+/-) 31.b7+- Bd6 32.Rc8 (32.Rd7 Ba3+-) 32...Kg7 (32...Kf7 33.Rb8 Bb8 34.Kd3+-) 33.Rb8+- Bb8 34.Kd3 Kf7 35.Kc4 Ke7 36.Kb5 Kd7 (36...Bc7+-) 37.Ka5 Kc7 38.Ka6 h5 39.e4 Kd6 (39...g5+-) 40.f4 1-0. kasperoff (1720) - jojoashby (1720), Hourly Blitz Arena, lichess.org, 2019.

6.Nf3 c6 7.c4 cb5 8.cb5 b6 9.Be2 Qc7 10.0-0 Ng4 11.Bg7 Kg7 12.Nc3 Bb7 13.h3 Bf3 14.hg4 Be2 15.Qe2 Qc4 16.Rfc1 Qe6 17.d4 d6 18.f4 Nd7 19.g5 Qf5 20.Qf3 h6 21.gh6 Kh6 22.Ne4 Nf6 23.Nf6 Qf6 24.Rc7 g5 25.Qh3 Kg7 26.f5 Rac8 27.Rac1 Rc7 28.Rc7 d5 29.g4 Qd6 30.Qh2 Qf6 31.Qe5 Qe5 32.de5 Rh8 33.Kg2 Rh4 34.Kg3 Rh1 35.Re7 Rg1 36.Kf3 Rf1 37.Ke2 Rg1 38.f6 Kg6 39.Kf3 Ra1 40.Rb7 Ra4 41.Rb6 d4 42.ed4 Rd4 43.Ra6 Rd3 44.Ke4 Rg3 45.Ra5 Rg4 46.Kd5 Kf5 47.b6 Re4 48.Kc6 Rc4 0–1. bdullaevich (1665) – nailyk, lichess.org, 2018.

6.Nf3 d5 7.c4 e6 (7...Be6 8.d4=) 8.cd5 ed5 9.Qb3 Be6 10.Qc2 c6 11.Nc3 c5 12.Be2 d4 13.ed4 (13.Nd1 Nbd7=) 13...cd4=+ 14.Na2 Bf5 (14...Nh5!? 15.d3 Nf4=+) 15.d3= Re8 (15...Nh5 16.0-0=) 16.0-0 (16.Nd4 Bc8 17.Nf3 Be6+=) 16...Ng4 (16...Nh5 17.Rfe1=) 17.h3 Ne5 (better 17...Nh6!?=) 18.Nd4+/- 1-0. cucosant2 (1775) - lo_fi (1815), Casual Blitz game, lichess.org, 2020.

6.Nf3 d6 7.Be2 c5 8.bc6 bc6 9.0-0 Qb6 10.Qc1 c5 11.c4 Nc6 12.d4 (12.Nc3 Rb8 13.Rb1 Nb4=) 12...Ne4 (12...Rb8 13.Bc3=+) 13.Nbd2 (13.Nc3 Nc3 14.Bc3 cd4 15.ed4 Bd4=) 13...Nd2 (13...Bf5 14.Rd1=+) 14.Nd2 (14.Qd2 Bf5=) 14...Rb8 (14...cd4!? 15.Rb1 Qc7-/+) 15.Rb1= Bf5 16.e4 Be6 (better 16...Bd7 17.Ba1 Qa7 18.dc5 Ba1 19.Rb8 Rb8 20.Qa1 Qc5=+) 17.d5?? (better 17.Bc3 Qa7 18.d5 Bc3 19.Qc3=) 17...Bb2-+ 18.Rb2? (better 18.Qd1-+) 18...Qb2 19.Qb2 (19.dc6 Rfc8 20.Bf3-+) 19...Rb2 20.de6 Rd2 21.ef7 Rf7 (21...Kf7 22.Bd1-+) 22.Bf3 (22.Bg4 Nd4-+) 22…Ne5 0-1. cucosant2 (1690) - sidezh2 (1775), Rated Blitz game, lichess.org, 2020.

6.Nf3 d6 7.Be2 Bd7 8.c4 e5 9.0-0 Bf5 10.Nc3 Nbd7 11.d4 b6 12.de5 de5 13.Nd5 Nd5 (13...Re8 14.Nf6 Bf6 15.Qd5=) 14.cd5 Qe7 (14...Re8 15.Rc1=) 15.Qb3 (15.Ba3 Nc5+=) 15...Nc5 16.Qc3 e5 becomes the focus of attention (16.Qc4 Rfd8+=) 16...Rad8 (16...Be4 17.Rfd1=) 17.Ne5+= Rd5?? (17...Rfe8 18.Nc6 Bc3 19.Ne7 Re7 20.Bc3 Rd5=) 18.f4 (better 18.Nc6 Qe5 19.Ne5 Be5+–) 18...Nd7?? (18...Be5 19.fe5 Ne4 20.Qe1=) 19.Qc7 (better 19.Nc6 Qf6 20.Ne7 Kh8 21.Nd5 Qc3 22.Bc3 Bc3 23.Nc3+–) 19...Rc5?? (better 19...Rd2!? 20.Ra2 Qe8=+) 20.Qb7 (better 20.Qa7+–) 20...Rc2? (better 20...Rb8 21.Qf3 Ne5 22.fe5 Be5=) 21.Nd7?? (better 21.Ba3 Qe6 22.Bf8 Bf8 23.e4+–) 21...Re2 (21...Qe3 22.Kh1 Bb2–+) 22.Bg7–/+ Be4?? (better 22...Qe3 23.Kh1 Kg7–/+) 23.Nf6 (better 23.Qe4! Qe4 24.Nf6 Kg7 25.Ne4+–) 23...Qf6+– 24.Bf6?? (better 24.Qe4 Kg7 25.Rae1 Re1 26.Re1+–) 24...Rg2–/+ (worse 24...Bb7 25.Rf2 Re3 26.Rd2+=) 25.Kh1 Bb7 Do you see the mate threat? 26.h3?? (26.h4 Rc8 27.e4 Be4 28.Rfe1–+) 26...Rc8 27.Rfe1 (27.e4 Be4 28.Rfe1–+) 27...Rcc2 (better 27...Be4 28.Rac1 Rgc2 29.Kg1 Rc1 30.Rc1 Rc1 31.Kh2 Rc7–+) 28.e4=+ Rh2 ½–½. retiponziani (1775) – nimzo1 (1875), ChessWorld.net, 2012.

6.Nf3 d6 7.Be2 Be6 8.c4 Nbd7 9.0-0 c6 10.Nc3 Rc8 11.d4 Ne8 (11...Nb6!? 12.Nd2 cb5 13.cb5 d5=) 12.Ng5+= h6 (12...Bf5!?+=) 13.Ne6+/– fe6 14.Bg4 h5? (better is 14...e5!?+/–) 15.Be6+– Kh7 16.Qc2 Rc7 17.Ne4 c5?? (17...Bf6+–) 18.Ng5 Kh6 (18...Kh8 19.Qg6 Ndf6 20.d5+–) 19.Nf7 (better is 19.Bf7 Rf7 20.Nf7 Kh7 21.Nd8 cd4 22.ed4+–) 19...Rf7 20.Bf7 e5 (20...Nf8+–) 21.Qg6 1–0. surmavlod – s004, kurnik, 2013.

6.f4 c6 7.c4 d6 8.Nf3 Bg4 9.Nc3 Nbd7 10.h3 Bf3 11.gf3 Nc5 12.d4 Ne6 13.Bd3 Qd7 14.Qc2 Nh5 15.0-0-0 cb5 16.Nb5 Rfc8 17.Kb1 d5 18.c5 b6 19.f5 Nd8 20.fg6 hg6 21.Bg6 fg6 22.Qg6 Nf6 (22...bc5 23.dc5 Rc5 24.Qh5+–) 23.Rhg1 (23.cb6 Ne6 24.Rdg1 Rab8=) 23...Ne6 (23...Ne8 24.e4 (worse is 24.cb6 Rc6 25.Qg3 Ne6–/+) 24...Rc6 25.Qg4 Qg4 A) worse is 26.fg4 de4 (26...bc5?! 27.ed5 Rcc8 28.Rge1=) 27.Rge1 bc5–/+; B) 26.Rg4 de4 27.d5 Rc5 28.Bg7 Ng7 29.fe4+/–) 24.h4 (24.cb6 Rab8 25.Nc7 Rc7 26.bc7 Qc7=) 24...Qe8 (24...Kh8 25.e4 Rab8 26.Nc3 bc5 27.ed5 Nd5 28.Qh5 Kg8 29.Nd5 cd4 30.Qe5+=) 25.Qf5 (25.Qe8!? Ne8 26.cb6+=) 25...Qf7= 26.Rg6 (26.cb6 Rab8 27.e4 Rc4 (worse is 27...Rb6 28.ed5 Nd5 29.Qd5+–) 28.ed5 Nf8=) 26...Nf8 (26...bc5 27.Rdg1 Kf8=) 27.Rg3 Nh5 (better is 27...N6d7 28.Qc2 A) worse is 28...bc5 29.dc5 Rc5 30.Rdg1+/– (worse is 30.Rg7 Qg7 31.Bg7 Rc2 32.Bf8 Re2 33.Be7 Re3–/+); B) 28...Ne6+=) 28.Rg7?? (28.Qf7 Kf7 29.Rg5=) 28...Ng7–+ 29.Rg1?? (29.Qf7 Kf7 30.Rc1 bc5 31.dc5–+) 29…Qf5 (29...Qf5 30.e4 de4–+) 0–1. jura1946 – svensk, kurnik, 2013.

6.c4 Nbd7 7.d4 0-0 8.Nf3 e5 9.de5 Ng4 10.Qc2 Nge5 11.Ne5 Ne5 12.Nc3 Be6 13.Nd5 Nd7 14.Bg7 Kg7 15.Nf4 Qf6 16.Rc1 Nc5 17.Be2 Bf5 18.Qd1 Be4 19.0-0 b6 20.Nd5 Bd5 21.cd5 Qe7 22.Rc4 f5 23.Bf3 Kg8 24.h4 h5 (24...f4!?=) 25.g3 Qf7 26.Rf4 Qg7 27.Qc2 Rae8 28.Rd1 Re5 29.Bg2 Rfe8 30.Kh2 Kh7 31.Rdd4 R8e7 32.Rc4 Qg8 33.Rfd4 Kh6 34.Qc1 Kh7 35.Rc3+/– Qf7 36.f4 Re4 37.Be4 Re4 38.Re4 fe4 39.Qd1 Qf5 40.Rc4 Kg8 41.Rc2 Kf7 42.Rg2 Nd3 43.Rc2?? Nc5 44.Qd4 Kg8 45.Qd2 Qf7 46.Rc4 Qf5 47.Qd1 Kf7 48.Rc2 Kg8 49.Rg2 Nd3 50.g4 hg4 51.Qg4 Qg4 52.Rg4 Kh7 53.Rg1 Nb4 54.Rd1 Nc2 55.Rc1 Ne3 56.Rc7 Kh6 57.Rc6 Nd5 58.Rd6 Nc3 59.f5 Na4 60.Rg6 Kh7 61.Kg3 Nc5 62.Rb6 a4 63.Rc6 Nd3 64.Ra6 Nc5 65.Ra7 Kg8 66.b6 (66...e3 67.Kf3+–) 1–0. Rohrbacher,Walter – Schmidt,Eugen, Badischer Schachkong, 1999.

6.f4 Nbd7 7.Nf3 b6 8.c4 Bb7 9.d4 c6 10.Be2 Ne4 11.Qd3 c5 12.d5 Bb2 13.Qe4?? (better is 13.Ra2 Bg7 14.Qe4=) 13...Ba1–+ 14.0-0 Bg7 15.Ng5 0-0 16.Nd2 e6! 17.Qf3 h6 18.Nge4 ed5 19.cd5 Bd5 20.Qg3 Re8 21.Nd6 Qe7 22.f5 Qe3 23.Qe3 Re3 24.Nf3 Re2 25.fg6 fg6 0–1. jura1946 – khemazf, kurnik, 2012.

6.d4 d6 7.Nbd2 b6 8.e4 Bb7 9.Bd3 Nbd7 10.0-0 Re8 11.Re1 e5 12.c3 Rc8 13.d5 Nc5 14.Bc2 Rb8 15.c4 Bc8 16.Qb1 Bg4 17.Bd1 Nh5 18.Be2 Nf4 19.Bf1 f5 20.Qc2 fe4 21.Ne4 Bf5 22.Nfd2 Rf8 23.f3 Be4 24.Ne4 Ne4 25.Re4 Qg5 26.Bc1 Qh5 27.Bf4 ef4 28.Qe2 Ba1 29.h3 Bb2 30.Re7 Bg7 31.Qe6 Kh8 32.Qd7 Qf5 33.Rg7 Qd7 34.Rd7 Rbc8 35.Bd3 Rg8 36.Be4 Rg7 37.Rg7 Kg7 38.g3 Kf6 39.g4 h6 40.Kg2 g5 41.Kf2 Re8 42.Ke2 Ke5 43.Kd3 Rf8 44.c5 Rf6 45.c6 Rf8 46.Bf5 Rf6 47.Bh7 Kd5 48.Be4 Kc5 49.Kc3 1–0. alessandrocarvalhaes (1920) – bayronperkins (2095), lichess.org, 2020.

6.e3 c6 7.Be2 cb5 8.ab5 d5 9.0-0 Bd7 10.Ne5 Be8 11.Nd3 (better 11.d4+=) 11...Bb5-/+ 12.Nc5 Be2 13.Qe2 Qb6 14.Na4 Qa6 15.Qf3 Ne4 (15...Nbd7 16.Nac3 Qc6 17.Qe2-+) 16.Bg7 Kg7 17.d3 Nf6 (17...Qf6 18.Qf6 Nf6 19.Nbc3-/+) 18.Nc5 (18.c4!?-/+) 18...Qc6-+ 19.d4 b6 20.Na4 Ne4 (20...Nbd7 21.Rc1-+) 21.Qf4 (21.c4!? Nd7 22.cd5 Qd5 23.Qe2-/+) 21...Nd7-+ (worse 21...Qc2 22.Nb6 Qb2 23.Na8 Qa1 24.Nd2=) 22.f3 Nef6 23.Nd2? (better 23.Nac3-+) 23...Qc2 (23...b5 24.Nc5 Nc5 25.dc5-+) 24.Rfd1 (24.Nb1 Rfc8 25.Rf2 Qb3-+) 24...Rac8 25.h3 (25.e4 b5 26.Nc5 Nc5 27.dc5 Qc5 28.Kh1 Qc3-+) 25...h6 (25...b5 26.Nc5 Nc5 27.dc5 Rc5 28.e4-+) 26.g4 (26.Nf1 b5 27.Nc5 Nc5 28.dc5 Rc5-+) 26...g5 27.Qg3 Qd3 (better 27...b5!? 28.Nc5 Nc5 29.dc5 Qc5 30.Ra5 Qe3 31.Qf2 Qf2 32.Kf2-+) 28.Nf1 Qe2 29.Rd2 Qb5 30.h4 Rc4 31.Nb2 Rb4 32.hg5 hg5 (32...Rb2?! 33.gf6 Nf6 34.g5-/+) 33.f4?? (better 33.Nd3 Rb3 34.Ne5-+) 33...Ne4 34.fg5 (34.Qf3 Nd2 35.Nd2 Rb2 36.Nf1-+) 34...Ng3 35.Ng3 Rb2 36.Nf5 Kg6 37.Rdd1 Kg5 (37...Qe2 38.Nh4 Kg7 39.Nf5 Kh8 40.Rd2 Qd2 41.Nh4 Qf2 42.Kh1 Qh2) 38.Ne7 Qe2 39.Rf1 (39.Rd2 Rd2 40.Ra5 Qe1) 39…Qg2 0-1. Zpytasz (1740) - smrdonja_fuj (2010), Rated Rapid game, lichess.org, 2016.

6.e3 d6 7.Be2 Nbd7 8.d3 e5 9.Nbd2 Qe7 10.e4 c6 11.c4 cb5 12.cb5 b6 13.0-0 Nc5 14.Qc2 Be6 15.Ba3 Rac8 16.Qb1 Nh5 17.Rd1 Nf4 18.Bf1 Bg4 19.Bc5 dc5 20.Qb3 Ne6 21.Be2 Rfd8 22.Re1 Bf3 23.Nf3 Nd4 24.Nd4 Rd4 25.Rad1 Kf8 26.f3 Rcd8 27.Bf1 f5 28.Qc2 fe4 29.fe4 Qe6 30.g3 Kg8 31.Kg2 Re8 32.Be2 Rf8 33.Bf3 Rdd8 34.Rf1 Rf7 35.h3 Rdf8 36.Bg4 Qe7 37.Bf3 Qg5 38.Qc4 Qe3 39.Rde1 Qd2 40.Re2 Qb4 41.Qb4 ab4 42.Rff2 Rd7 43.Re3 Rfd8 0–1. alessandrocarvalhaes (1900) – bachgenius (1985), lichess.org, 2020.

6.g3 b6 7.Bg2 Bb7 8.0-0 d6 9.c4 Nbd7 10.Qc2 Nc5 11.Nd4 Bg2 12.Kg2 Qd7 13.Nc6 e5 14.Nc3 Nb7 15.Nd5 Nd5 16.cd5 f5 17.e4 (17.f4 Rae8 18.Rae1 Nd8+=) 17...Nc5 (better is 17...fe4!? 18.Qe4 Rae8+=) 18.d3+= Rf7 19.Ba3 fe4 20.de4 Nb7 21.Rae1 Raf8 22.Re2 Qg4 23.f3 (23.Re3 Bh6 24.Rc3 Bg5+=) 23...Qd7 (better is 23...Rf3!? 24.Ref2 R3f4+=) 24.Bb2 h5 25.Qc4 Rf6 26.f4 R6f7 27.Ref2 ef4 28.Bg7 Kg7 29.Rf4?? (better is 29.Nd4!? f3 30.Kg1+/–) 29...Rf4+= 30.Rf4 (30.gf4 Qg4 31.Kh1 Rf4 32.Rf4 Qf4–+) 30...Rf4 31.gf4 Qg4 32.Kh1 Qf4 33.Qd4 Kh7 34.Ne7 Qf1 (34...Qf3 35.Kg1–+) 35.Qg1 Qf3 (35...Qf6 36.Nc6–+) 36.Qg2 Qd1 37.Qg1 Qf3 38.Qg2 Qd1 39.Qg1 Qf3 ½–½. wk1234 – eliv, playok.com, 2012.

6.h3 b6 7.e3 Bb7 8.Be2 d6 9.d4 Nbd7 10.Nbd2 Re8 11.c4 d5 12.Qc2 dc4 13.Qc4 Ne4 14.Ne4 Be4 15.0-0 Rc8 16.Ng5 e6 17.Ne4 c5 18.bc6 Nb8 19.Ba3 Rc6 20.Qb5 Rc2 21.Nd6 Re7 22.Bd3 Rcc7 23.Ne4 Nc6 24.Be7 1–0. alessandrocarvalhaes (1775) – bobbying707 (1865), lichess.org, 2018.

5.a4 d5 6.e3 dc4 7.Bc4 0-0 8.Nf3 Nbd7 9.0-0 Nb6 10.Be2 Bg4 11.d4 Nfd7 12.Nbd2 Rb8 (12...Nf6 13.h3 Be6 14.e4+=) 13.Bc3 Ra8 14.Nc4 (14.Nb3 Be6+–) 14...Nc4 (14...Bf3!? 15.gf3 Nc4 16.Bc4 Nb6=) 15.Bc4+= e5 16.de5 Ne5? (better 16...Qe7 17.h3 Ne5 18.hg4 Nf3 19.Qf3 Bc3+–) 17.Be5+– Qd1 (17...Bf3 18.Qd8 (18.gf3?! Be5 19.Qd8 Rad8=; 18.Qf3?! Be5 19.Rac1 Rb8+=) 18...Rfd8 19.Bg7 Bg2 20.Kg2 Kg7 21.Rfd1+–) 18.Rfd1 (18.Rad1?! Bf3 19.Bg7 Bd1 20.Bf8 Ba4+–) 18...Bf3 19.Bg7 (19.gf3?! Be5 20.Rac1 Rfd8+=) 19...Bd1 20.Bf8 (20.Bf8 Ba4 21.Bh6+– (worse 21.Ra4 Kf8 22.Kf1 c6+–)) 1–0. BeepBeepImAJeep (2640) – ZibbitVideos (2540), lichess.org, 2016.

5.d4 b6 6.e3 c5 7.Nf3 d6 8.Be2 Bb7 9.d5 Nbd7 10.Nbd2 Qc7 11.Qc2 h6 12.0-0 0-0-0 13.Bd3 Rhg8 14.Rfe1 Kb8 15.e4 Ng4 16.h3 Bb2 17.Qb2 (17.hg4? Ba1 18.Ra1 h5–/+) 17...Nge5 18.Ne5 Ne5 19.Be2 f6 20.f4 Nf7 21.Nf3 g5 22.f5 g4 23.hg4 Rg4 24.Nd4 Re4 25.Ne6 Re6 26.fe6 (26.de6?! Ne5 27.Rf1 Rg8=) 26...Ne5 27.Qc3 Rg8 28.Bf1 Qd8 29.Qh3 Qf8 30.Re4 Rg6 31.Rh4 Qg7 32.Re1?? (better is 32.Be2+=) 32...f5?? (better is 32...Rg3 33.Qh1 Nf3 34.Kf2 Ne1 (34...Nh4?! 35.Qh4 Rg4 36.Qh3–/+) 35.Ke1 Qg5–+) 33.Qf5+/– Rf6 34.Qh5?? (34.Re5 a4 35.Qg4 Rf1 36.Kf1 Qe5 37.Kg1 Qa1 38.Kh2 Qa2 39.Rh6+–) 34...Nf3–+ 35.Kh1 Ne1 36.Be2 Qg2 0–1. popovicigelu – neron35 (1675), kurnik, 2012.

5.e3 c5 6.Nf3 b6 (6...d6 7.Be2=) 7.d4+= d6 8.dc5 dc5 (8...bc5 9.Nc3+=) 9.Qd8 Kd8 10.Nc3 Bb7 11.0-0-0 Ke8 12.Na4 Nbd7 (12...Bf3 13.gf3 Nbd7 14.Rd7 Kd7 15.Nb6 Kc7 16.Na8 Ra8 17.Be5 Kb6 18.Bg2+–) 13.Rd7!+– Kd7 (13...Kd7 14.Nb6 Double attack (14.Ne5 Deflection); 13...Nd7 14.Bg7 Pinning (14.Bg7 Deflection)) 14.Nb6 Kc7 15.Na8 Ra8 16.Ng5 Nh5 17.Nh7 (17.Nf7?! Rf8 18.Ng5 Bb2 19.Kb2 Rf2 20.Kb3 Nf6+=) 17...Bb2 18.Kb2 f6 (18...e5 19.Kc3+–) 19.Bd3 f5 20.Ng5 a4 (20...e5 21.f3+–) 21.a3 Rd8 22.Ne6 Kd7 23.Nd8 Kd8 24.f3 e5 25.Rd1 Ke7 26.f4! ef4 27.ef4 Nf4 28.Bf1 Ng2 29.Bg2 Bg2 30.Rg1 Be4 31.Rg6 Bd3 32.Kc3 Be4 33.h4 f4 34.Rg1 f3 35.Rf1 Kf6 36.Rf2 Kg6 37.Kd2 Kh5 38.Ke3 Bb7 39.Rf3 Kh4 40.Rf5 Kg4 41.Rc5 Bh1 42.Rd5! (42.Rd5 Bg2 43.b6 Bd5 44.cd5+–) 1–0. Fournier,Frederic (1630) – EXEKUTOR (1685), rated blitz game, 2002.

5.e3 c6 6.a4 (6.Nc3 0-0=) 6...cb5 (6...0-0 7.d4=) 7.ab5 b6 (7...d6 8.Nf3=) 8.Nf3 d6 9.Be2 Bb7 10.0-0 Nbd7 11.Nc3 0-0 12.Nd4 Rc8 13.Bf3 (13.d3 e5 14.Nc6 Bc6 15.bc6 Rc6=) 13...Bf3 14.Qf3 e5 (better 14...Rc4!? 15.Nc6 Qe8=) 15.Nc6+– Qc7 (15...Qe8+–) 16.Nd5?? (better 16.Ne7 Kh8 17.Nc8 Rc8 18.d3+–) 16...Kh8?? (16...Nd5 17.Qd5 Nb8 18.Nb8 Rb8 19.e4+=) 17.d4 (better 17.Nc7 Rc7 18.d4+–) 17...Nd5+– 18.Qd5 Nf6 19.Qf3 e4 20.Qe2 d5 (20...Rfe8 21.c5+–) 21.Ba3 Rfe8 22.c5 h5 (22...Nd7 23.cb6 Qb6 24.Rfc1+–) 23.cb6+– Qb6 24.Bb2 (24.Bc5 Qc7+–) 24...Qc7 (24...Ra8 25.Ra4+–) 25.Ra5 Ng4 Threatening mate... how? 26.g3 Re6 (26...Ra8 27.Rfa1 Ra5 28.Ra5+–) 27.Ra7 Qb6 (27...Rc6 28.Rc7 R6c7 29.Rd1+–) 28.Rf7 (28.Rfa1 Rec6 29.bc6 Qc6+–) 28...Rec6 29.bc6 Qb2?? (29...Kg8 30.Rb7 Qc6+–) 30.Qb2 Ne3 31.fe3 Rc6 32.Qb8 Kh7 (32...Rc8 33.Qc8 Kh7 34.Rg7 Kh6 35.Qg8 h4 36.Rg6 Kh5 37.g4) 33.Rg7! Kg7 Decoy theme: g7 (33...Kh6 34.Qf4 Kg7 35.Qf8 Kh7 36.Rf7) 34.Qb7 (34.Qf8 Kh7 35.Rf7) 34...Kh6 (34...Rc7 35.Qc7 Kh6 36.Qf4 g5 37.Qf6 Kh7 38.Qe7 Kg6 39.Rf6) 35.Qc6 Kg5 (35...Kg7 36.Qf6 Kh7 37.Qf7 Kh6 38.Qf8 Kg5 39.Qf4) 36.Qd5 (36.Qf6 Kh6 37.Qf8 Kg5 38.Qf4) 36...Kh6 37.Qe4 (37.Rf7 h4 38.Qe4 hg3 39.Qh4) 37...g5 (37...Kg7 38.Qe7 Kh6 39.Qf8 Kg5 40.Qf4) 38.Rf6 Kg7 39.Qe7 Kh8 (39...Kg8 40.Rf8) 40.Rf8 1–0. RichardSommer (2140) – firlfirl (2145), lichess.org, 2020.

5.e3 d5 6.Nf3 dc4 7.Bc4 a4 8.a3 0-0 9.Nc3 Ne4 10.Na4 (10.d4 Nc3 11.Bc3 Nd7+=) 10...Ra4= 11.Bg7 Rc4 12.Bf8 Kf8? (12...Qf8 13.d3 Rc5 14.de4 Rb5+–) 13.d3+– Nc3 14.Qd2 Rc5 15.d4?? (15.Rc1 Bg4 16.Rc3 Rb5+–) 15...Rc4?? (better 15...Ne4 16.Qa5 Rd5=) 16.Qd3 Be6? (16...Rc5 17.Qc2 Bf5 18.Qb2 Rb5 19.Qc3+–) 17.Nd2 (better 17.Ne5!? Nb5 18.Nc4 Qd5+–) 17...Rc5 18.Qc2 Bf5 19.Qc1 (19.Qc1 e5 20.Nb3+= (20.dc5?? Qd3 21.Qc3 Qc3–+)) 1–0. gutes (1660) – vcelar1943, internet, 2014.

5.e3 Nh5 6.Bg7+= Ng7 7.Nf3 b6 8.d4 Bb7 9.Be2 0-0 10.0-0 c6 11.a4 cb5 12.cb5 d6 13.Nc3 Nd7 14.e4 Rc8 15.Qd3 Qc7 (better 15...e6+=) 16.Rab1?? (better 16.Rac1+=) 16...Qc3-+ 17.Qc3 (17.Rfe1 f5 18.Nd2 Qc2 19.ef5 Nf5 (19...Qa4 20.Bd1 Nc5 21.dc5+-; 19...Rf5?! 20.Nc4 Qd3 21.Bd3-+) 20.Qc2 Rc2-+) 17...Rc3 18.Rbc1 (18.Rfc1 Rfc8 (worse 18...Be4 19.Rc3 Bb1 20.Nd2-+) 19.Rc3 Rc3-+) 18...Rfc8 19.Rc3 Rc3 20.d5 Ra3 21.Nd4 (21.Bd1 f5 22.ef5 Nf5-+) 21...Ra4 22.Nc6 Bc6 (better 22...Re4 23.Bd3 Ra4 24.Ne7 Kf8-+) 23.bc6+- Ne5 (23...Nf8 24.c7 Re4+-) 24.c7 Ne8 (24...h5 25.c8Q Kh7+-) 25.c8Q Kf8 26.Bb5 (26.Bb5 Re4 27.Qe8 Kg7 28.Qd8+-) 1-0. AleksandarTot (1860) - kasperoff (1690), Monthly SuperBlitz Arena, lichess.org, 2018.

5.g3 0-0 6.Bg2 d6 7.Nf3 (--> 5.Nf3 0-0 6.g3 d6 7.Bg2).

5.g4 h6 6.h3 d6 7.Bg2 e5 8.Qc2 Nbd7 9.Nc3 0-0 10.a4 Re8 11.e3 Nb6 12.Nd5 Nbd5 13.cd5 h5 14.g5 (better is 14.Rc1!?=) 14...Nd7–/+ 15.h4 Nc5 16.e4 f5 17.d3 Rf8 18.Ba3 b6 19.Bc5 dc5 20.f3 Rf7 21.Ne2 fe4 22.de4 c4 23.Qc4+/– Bf8?? 24.0-0 Bd6 25.Rac1 Qe7 26.Qb3 Bd7 27.Kh2 Raf8 28.Kg3 Kg7 29.Rfd1 Bc5 30.Rd3 Bc8 31.Qb2 Bd6 32.Rh1 Bc5 33.Rc1 Kh7 34.Rh1 Qd6 35.Qc3 Bd7 36.Rc1 Re8 37.Qb3 Bb4 38.Qd1 Ref8 39.Qh1 Ba3 40.Rc4 Bc5 41.Rdc3 c6? 42.bc6+– Bc8 43.Rc5 bc5 44.Qc1 Ba6 45.Ng1 Rb8 46.Rc5 Rb1 47.Qe3 Re1 48.Qe1 Qc5 49.Nh3 Bc8 50.Nf2 Qa3 51.Qd2 Qa4 52.Qc3 Qd4 53.Qd4 ed4 54.Bf1 a4 55.Bc4 Rc7 56.e5 a3 57.Ne4 Kg7 58.Kf4 Kf8 59.Nd2 Bf5 60.e6 Be6 61.de6 Rc6 62.Ke4?? Ke7 63.Kd4+– a2 64.Ba2 Rc2 65.Bb1 Rd2 66.Ke3 Rh2 67.Bg6 Ke6 68.Bh5 Rh4 69.Bg4 Kf7 70.Bf5 Ra4 71.f4 Ra1 72.Bd3 Ke6 73.Bc2 Rc1 74.Bh7 Rh1 75.Be4 Ra1 76.Bg6 Ra3 77.Ke4 White prepares f5 77...Ra4 78.Kf3 Ra1 79.Kg3 Rg1 80.Kf2 Ra1 81.f5?? Ke5= 82.f6 Ke6 83.Bh7 Ra8 ½–½. Laco,Giuseppe (2185) – Popovic,Petar (2495), Caorle op, 1982. (=1.c4 Nf6 2.b4 a5 3.b5 g6 4.Bb2 Bg7)

6.e3 b6 7.Nf3 Bb7 8.Be2 c6 9.Nc3 d5 10.0-0 e6 11.d4 Nbd7 12.Qb3 dc4 13.Bc4 c5 14.Rad1 cd4 15.Nd4 Nc5? (15...Qc7 16.Be2=) 16.Qa2 (better is 16.Ne6!? Nb3 A) 17.Rd8?! Rad8 18.Nd8 Nd2 19.Bf7 Rf7 20.Nf7 Kf7= (worse is 20...Nf1 21.Nd6+/–); B) 17.Nd8 Rad8 18.Bb3+/–) 16...Qc7= 17.Be2 Nd5 18.Nd5 Bd5 19.Qa1 e5 (19...Rad8!?+=) 20.Nf3 Bb3 21.Rc1 (worse is 21.Ne5 Bd1 22.Bd1 Rae8=) 21...Rfe8 22.Qa3 Rac8 (better is 22...Bd5=) 23.Rc5!+– Qc5 24.Qb3 Qc2 25.Qc2?? Rc2–/+ 26.Be5 Be5 27.Bd3 Ra2–+ 28.Be4? Ra4 29.Bc6 Re7 30.Rd1 Ra1 31.Ra1 Ba1 32.g3 a4 33.Kf1 a3 34.Bd5 Bc3 35.Ke2 Kg7 36.Ng5?? h6 37.Nf3 f5 38.h4 Kf6 39.Kd3 Bb2 40.Kc2 g5 41.hg5 hg5 0–1. elektrooon – jtoms, kurnik, 2013.

6.e3 d6 7.Nf3 e5 8.d4 Nbd7 9.de5 Ng4 10.Be2 Nge5 11.Nd4 Nb6=+ 12.Nd2 Qg5 13.g3 Bg4?? 14.Qc2?? Be2=+ 15.Ne2 Nd3 16.Qd3 Bb2 17.Ra2 Bg7 18.0-0 f5 19.Nf4 Qe7 20.Nd5+= Qd8 21.Nb6+/– cb6 22.Qd5 Rf7 23.f4 Qc7 24.Nf3 Qc5 25.Qd3 Re8 26.Re1 Ree7 (26...Rc7 27.Nd2=) ½–½. Weber,Krzysztof(+) – Gajda,Leszek, corr 2. AMM Poland, 1993.

6.e3 d5 7.Nf3 dc4 (7...0-0 8.d4=) 8.Bc4+= Bb7 9.0-0 Nbd7 10.d4 0-0 11.Nbd2 Re8 12.Rc1 c5? (12...e6 13.Qc2+=) 13.Qb3?? (better 13.bc6 Bc6 14.Bf7 Kf7 15.Ng5 Kg8 16.Rc6+–) 13...Rf8 14.Rfd1 Rc8 15.h3 (15.d5 Qc7+=) 15...e6 16.Qa2 (16.Qc2 cd4 17.Bd4 Qe7+=) 16...Nh5 (16...Qe7 17.Ba3=) 17.Nb3 (17.dc5 Nc5 18.Ne4 Qe7 19.Bg7 Ng7 20.Nc5 Rc5+=) 17...cd4 (17...Bf3 18.gf3 Qh4 19.Kg2=) 18.Nfd4 (better 18.Nbd4 Qe7 19.Ba3=) 18...e5?? (better 18...Qh4=) 19.Nc6!+– Bc6 (19...Rc6 20.bc6 Theme: Double Attack) 20.bc6 Rc6 21.Bb5 Rc1 22.Nc1 (22.Rc1?! Nhf6=) 22...Nhf6 23.Be5 Qe7 (23...Ne5 Exploits the pin 24.Rd8) 24.Bd6+– Qe4 25.Bf8 Bf8?? (25...Nf8 26.Qb3 Ne6+–) 26.Bd7 Nd7 27.Rd7 (27.Rd7 Qf5 28.Qd5 Qd5 29.Rd5+–) 1–0. BeepBeepImAJeep (2695) – worldsong (2410), lichess.org, 2015.

6.e3 d6 7.Nf3 0-0 8.Nc3 Nbd7 9.Be2 e5 10.0-0 Re8 11.Re1 (11.d4 Qe7+=) 11...e4 12.Nd4 Ne5 13.d3 (13.Rf1 Bb7=) 13...ed3= 14.Bd3 Bb7 15.Qc2 Nd3 16.Qd3 d5 (16...Ng4 17.f3 Ne5 18.Qf1=) 17.cd5 (17.Rad1 Qd6 18.cd5 Nd5=) 17...Nd5= 18.Nd5 Qd5 19.f3 Rad8 20.Rad1 Bc8 21.Qc2 Qh5 (21...Qc5!? 22.Qc3 Bb7=) 22.Nc6+/- (22.Qc7 Be5 23.Qc3 Qh2 24.Kf1 Be6-+) 22...Rd1 23.Rd1 Be6 24.Bg7 Kg7 25.Qc3 Kg8 26.e4 Qc5 (better 26...Qg5!?+/-) 27.Qc5+- bc5 28.Rc1 Bb3 29.Rc5 Ba4 30.Nd4 (30.Na5!? Rb8 31.Rc7 Rb5 32.Ra7+-) 30...Rd8+/- 31.Nc2?? (better 31.Rd5 Rb8 32.Kf2+/-) 31...Rd1-+ 32.Kf2 Rd2 33.Kg3 Rc2 (33...Bc2?! 34.Rc7 Kg7 35.b6-/+) 34.Re5 Bb3 35.Re8 Kg7 36.Re7 (36.Ra8 a4 37.Ra7-+) 36...a4 37.Re8 (37.b6 cb6 38.Ra7 b5-+) 37...a3 38.Ra8 a2 39.Ra7 (39.h4 Rc4 40.Ra3 Ra4 41.Ra2 Ra2-+) 39…Rc1 0-1. brucepeng (1995) - Pastern1k (1950), lichess.org, 2020.

6.Nc3 d5 7.e3 e5 8.Nf3 (8.cd5 cd5 9.d4 ed4 10.Qd4 Be6=) 8...d4 (8...e4 9.Ng1=+) 9.Nb1 (9.ed4 ed4 10.Qe2 Kf8 11.Ba3 Kg8=) 9...c5 (9...de3!? 10.de3 Qd1 11.Kd1 e4=+) 10.Ne5+= Nbd7 (10...de3 11.fe3 Ng4 12.Ng4 Bb2 13.Ra2=) 11.Nd7 (11.ed4!? cd4 12.Nf3+–) 11...Nd7+= 12.Be2 0-0 13.d3 (13.ed4 cd4 14.d3 Nc5+–) 13...b6 (better 13...de3!? 14.Bg7 ef2 15.Kf2 Kg7=+) 14.e4 (14.ed4 Qh4+–) 14...Ne5 15.0-0 f5 16.f4 Nf7 17.e5 Qe7 18.Bf3 Rb8 19.Nd2 Nd8 20.Bd5 Be6 21.Rc1 Kh8 22.Qf3 Nf7 23.Ba3 (23.Rce1 g5+–) 23...Rbd8 (23...g5 24.Be6 Qe6 25.Qd5+–) 24.Nb3+– Qd7 (better 24...Bd5!? 25.cd5 Be5+–) 25.Bc5 Bd5 26.cd5 Qd5?? (26...bc5 27.e6 Qd6+–) 27.Qd5 Rd5 28.Bf8 Bf8 29.Rc4 (29.Rc6 Bb4+–) 29...Bc5 (29...Nd8 30.Rc8 (30.Rd4?! Rd4 31.Nd4 Bc5+–; 30.Nd4?! Rd4 31.Rd4 Bc5+–) 30...Kg7 31.Rb8+–) 30.Rfc1 Nd8 (30...Bf8 31.Rc6 Bh6 32.e6 Bf4 33.ef7+–) 31.Nc5 bc5 32.Rc5 Rc5 33.Rc5 Ne6 34.Rc8 Kg7 35.b6 (35.b6 Nf4 36.b7+–) 1–0. BeepBeepImAJeep (2535) – kuklac858 (2100), lichess.org, 2017.

6.e3 Qb6 7.Nf3 Nh5 (7...d6 8.d4=) 8.Nc3 cb5 9.cb5 d6?? (9...0-0 10.Nd5 Qd6 11.Bg7 Kg7 12.Bc4+–) 10.Rc1?? (10.Nd5 Qd8 11.Bg7 Ng7+–) 10...Nd7? (better 10...Qd8+–) 11.Nd5+– Qd8 (11...Qa7 12.Bg7 Ng7 13.Nc7 Kf8 14.Na8 Qa8+–) 12.Bg7 Ng7 13.Nc7 Kf8 14.Na8 Nc5 (14...b6 15.Nc7+–) 1–0. BeepBeepImAJeep (2565) – UtotinNo (2070), lichess.org, 2018.

6.d4 d5 7.cd5 Nd5 8.e4 Nc3 9.Bc3 Be6 10.Qd2 b6 11.d5+/– Bc3 12.Qc3 Bg4 13.Rc1 Ra7 14.Be2 Bd7 15.Nf3 e6 16.0-0 ed5 17.ed5 Bf5 18.Bc4 Qd6 19.Rfe1 Nd7 20.Nd4+– Be4?? 21.Nc6 Raa8 22.f3 Bf5 23.Ne7 (23...Qe7 24.Re7+–) 1–0. Kuhlmann,Aegidius EJ – Mackenzie,George H, CiF, 1989.

6.d4 d6 =.

6.g3 c6 7.Nf3 Ne8 8.Bg2 d5 9.cd5 cd5 10.a4 d4 11.Na2 e5 12.d3 Be6 13.0-0 Ba2 14.Ra2 Nd7 15.Nd2 f5 16.Bb7 Rb8 17.Bd5 Kh8 18.Ba3 Rf6 19.Nc4 Nc7 20.Bg2 Ne6 21.Qd2 g5 22.Na5 f4 23.Nc6 Qc7 24.Nb8 Qb8 25.Rc1 g4 26.Rac2 h5 27.Rc8 Qc8 28.Rc8 Kh7 29.a5 h4 30.Be4 Kh6 31.Be7 Rf7 32.Bh4 Ndc5 33.Bd5 Kh5 34.Rc5 Nc5 35.Bf7 Kh6 36.a6 Nd7 37.Qa2 Nc5 38.a7 fg3 39.hg3 e4 40.de4 Ne4 41.Qe6 Kh7 42.Qe4 Kh8 43.a8Q Bf8 44.Bf6 1–0. tyop (1755) – gramnaczas, kurnik, 2013.

6.g3 d6 7.Bg2 e5 8.d3 Nbd7 9.Na4 (9.Nf3 Nc5=) 9...Re8 (9...Qe7 10.Nf3=) 10.e4 (10.Nf3 Kf8=) 10...Nc5 (10...c6 11.Ne2=) 11.Nc5 dc5 12.a4 (12.Nf3 Qd6=) 12...Qd6 (12...Bg4 13.Ne2=) 13.Qc2 (13.Nf3 b6=) 13...b6 (13...Rd8 14.Nf3 Nd7 15.Rd1=) 14.Ne2 Nh5 (14...Bb7 15.0-0=) 15.0-0 Rb8 (15...Be6 16.f4=) 16.f4 (16.Rad1 c6=) 16...Bg4 17.f5 (17.Be5 Be5 18.fe5 Re5=) 17...Be2 (17...gf5!? 18.ef5 Rbd8=) 18.Qe2+= Rbd8 19.Rad1 c6 20.Bf3 (20.Qe3 cb5 21.ab5 Rf8+=) 20...Nf6= 21.g4 (21.fg6 hg6 22.Qe3 Nd7+=) 21...g5 (21...Bh6 22.Bg2=) 22.h4 h6 (22...gh4 23.g5 Nd7 24.Qh2=) 23.Qf2 (23.hg5 hg5 24.Bc1 cb5 25.ab5 Nh7=) 23...Nh7 24.Bc1 (24.hg5 Ng5 25.Bg2 cb5 26.cb5 Rd7=) 24...cb5 25.ab5 (worse is 25.cb5 Qd4–/+) 25...f6 (25...Bf6!?+=) 26.h5 (26.Be3 Ra8+=) ½–½. de Visser,Arno – Maat, Hoogoven, 1996.

6.Nc3 d6 7.e3 Nbd7 8.Nf3 e5 9.Be2 =.

6.Nc3 d6 7.e4 c5 8.bc6 bc6 9.Rb1 =.

6.Nc3 d6 7.e4 c5 8.d5 (better is 8.bc6!? Nc6 9.Nf3=) 8...Ne4!–/+ 9.Qc2 (9.Ne4 Bb2 Pinning (9...Bb2 Deflection; 9...Bb2 Clearance)) 9...Bc3 10.Bc3 Nc3 11.Qc3 e6 12.Be2 ed5 13.cd5 Re8 14.Qd3 Qf6 15.Rd1 Qb2 16.Nf3 (better is 16.Qb1!? Qb4 17.Kf1–+) 16...Qa2 17.Qd2 Qd2 18.Kd2 Nd7 19.Rhe1 Nf6 20.Bc4 Bf5 21.Kc3 Ne4 22.Kb3 Nf2 23.Re8 Re8 24.Rd2 (24.Re1 Re1 25.Ne1 Ng4–+) 24...Re3 25.Ka4 (25.Kb2 Bd3 26.Bd3 Nd3 (26...Rd3?! 27.Rf2 c4 28.b6+=) 27.Kb1 Nf4–+) 25…Ne4 0–1. nimzo1 – PeterRs, ChessWorld.net, 2012.

6.Nc3 d6 7.Nf3 Bg4 8.e4 c5 9.Be2 =.

6.Nd2 A) 6...d5 7.Ngf3 (7.e3 a4 8.Ngf3 a3 9.Bc1=; 7.cd5 Qd5 8.e3 c6 9.bc6=) 7...Bg4 8.cd5 Nd5 9.e4=; B) 6...d6 7.e4 (7.Ngf3 c5 8.bc6 bc6 9.e4=; 7.e3 a4 8.Bd3 d5 9.Ngf3=; 7.Qc2 c5 8.dc5 Bf5 9.Qc3=) 7...a4 8.Ngf3 c5 9.bc6=.

6.e3 a4 7.a3 (7.Bd3 d5 8.Nf3 dc4 9.Bc4=; 7.Nf3 d5 8.Bd3 dc4 9.Bc4=; 7.Be2 c6 8.Nf3 cb5 9.cb5=) 7...d5 8.Nc3 Be6 9.cd5+=.

6.e3 c6 7.Nc3 (7.Nf3 d5 8.Nc3 cb5 9.Nb5=; 7.Bd3 d5 8.Nf3 cb5 9.cb5=; 7.Na3 d5 8.Nf3 Be6 9.Qa4=; 7.Be2 cb5 8.cb5 d5 9.Nf3=) 7...d6 8.Bd3 c5 9.Nf3+=.

6.e3 d5 7.Nf3 (7.Nc3 Be6 8.Qf3 a4 9.cd5=; 7.cd5 Nd5 8.Nf3 Bg4 9.h3=) 7...Bf5 8.Nc3 c6 9.Qb3+=.

6.e3 d6 7.Bd3 e5 8.de5 Nfd7 9.Nf3=.

6.e3 d6 7.Nf3 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

6.e3 Re8 7.Nf3 (7.Bd3 d6 8.Nf3 e5 9.de5=; 7.Be2 c6 8.Nf3 cb5 9.cb5=; 7.Nc3 d6 8.Nf3 Nbd7 9.Bd3=) 7...d6 8.Nc3 Nbd7 9.Bd3=.

6.e3 h6 7.Bd3 (7.Nf3 d5 8.Bd3 c6 9.Nc3+=; 7.Be2 d5 8.Nf3 a4 9.0-0=; 7.Nc3 d6 8.Nf3 Nbd7 9.Bd3+=) 7...d5 8.Nf3 Nbd7 9.0-0+=.

6.Nf3 a4 7.e3 (7.a3 d5 8.e3 Be6 9.c5=; 7.Nc3 a3 8.Bc1 c5 9.bc6=) 7...d5 8.Bd3 dc4 9.Bc4 =.

6.Nf3 c6 7.Na3 d5 8.e3 Bf5 9.Be2 =.

6.Nf3 c6 7.a4 cb5 8.cb5 d6 9.e3 Bg4 10.Be2 Nbd7 11.h3 Be6 12.Nbd2 Rc8 13.0-0 Nb6 14.e4 Nc4 15.Nc4 Bc4 16.Rc1 d5 17.e5 Ne4 18.Bc4 dc4 19.d5 c3 20.Ba3 c2 21.Rc2 Rc2 22.Qc2 Qd5 23.Rd1 1–0. kaasparov – krysia1951b, kurnik, 2014.

6.Nf3 c6 7.Qa4 cb5 8.Qb5 a4 9.Bc3 =.

6.Nf3 c6 7.Nc3 d5 8.e3 Bg4 9.Qb3 =.

6.Nf3 c6 7.Nbd2 d5 8.e3 a4 9.Rc1 =.

6.Nf3 c6 7.e3 d5 8.Nc3 Bg4 9.Bd3 =.

6.Nf3 d5 7.e3 (7.Nc3 c6 8.e3 cb5 9.Nb5=; 7.cd5 a4 8.e3 Nd5 9.e4=) 7...c6 8.Nc3 cb5 9.Nb5 =.

6.Nf3 d6 7.e3 e5 8.de5 Nfd7 9.Bd3 =.

6.g3 d6 7.Bg2 Re8 8.e3 e5 9.de5 Ng4 (< 9...de5 10.Qd8 Rd8 11.Be5+/–) 10.Nf3 Nd7 11.0-0 Nde5 12.Ne5 Ne5 13.Nd2 Bg4 14.Qc2 Be2 15.Rfe1 Bd3 16.Qb3 a4 17.Qb4 Qc8 (17...a3 18.Bd4 c6 19.bc6 bc6+=) 18.Rac1 (18.f4 a3 19.Bd4+=) 18...c5 (18...Bf5!? 19.Be5 Be5=) 19.bc6+= bc6 20.Qd6 Bc4? (better is 20...Bf8!? 21.Qd4 Bg7+=) 21.Nc4+– Nc4 22.Rc4 Bb2 23.Rc6 (23.Bc6 Be5 24.Qb4 a3+–) 23…Qg4+/– 1–0. Nebe,Lutz – Wolfram,R, corr SOK–89–40, 1989.

6.Na3 A) 6...d5 7.e3 (7.Nf3 Bf5 8.e3 0-0 9.Be2=; 7.Rc1 0-0 8.e3 Bf5 9.Nf3=; 7.Qa4 0-0 8.e3 cb5 9.Nb5=; 7.cd5 cd5 8.Rc1 0-0 9.e3=) 7...Bf5 8.Nf3 0-0 9.Be2=; B) 6...d6 7.e3 (7.Nf3 0-0 8.e3 Bg4 9.h3=; 7.Qa4 0-0 8.e3 Bf5 9.Nf3=) 7...Bf5 8.Bd3 Bd3 9.Qd3+=; C) 6...0-0 7.e3 (7.Nf3 d5 8.e3 Bf5 9.Be2=; 7.Qa4 d6 8.e3 Bf5 9.Nf3=) 7...d6 8.Nf3 c5 9.Bd3+=; D) 6...a4 7.Nf3 (7.e3 Qa5 8.Qd2 Qd2 9.Kd2 d6=) 7...d5 8.e3 Bg4 9.Bd3=.

6.a4 0-0 7.Nf3 d5 8.c5 Ne4 9.e3 Nc5 10.Qc2 Ne4 11.Bd3 Nd6 12.0-0 Bg4 13.Ne5 Bf5 14.Bf5 Nf5 15.bc6 bc6 16.Nc6 Qc7 17.Rc1 Na6 18.Ne5 Qb7 19.Ba3 Rfc8 20.Nc3 Nb4 21.Qb3 e6 22.Nb5 Bf8 23.g4 Nd6 24.Bb4 ab4 25.Nd6 Bd6 26.Nd3 Rc1 27.Rc1 Qa6 28.Nb4 Qb7 29.Rb1 Rb8 30.a5 Bb4 31.Qa4 Qb5 32.Qb5 Rb5 33.a6 Kg7 34.a7 Ra5 35.a8Q Ra8 36.Rb4 Ra7 37.Kg2 Kf6 38.h4 h5 39.g5 Kf5 40.Kg3 Ke4 41.Rb3 e5 42.f3 Kf5 43.Rb5 Rd7 44.f4 ed4 45.ed4 Ke4 46.Rb4 Rc7 47.Rb3 Kd4 48.Kf3 Rc3 49.Rc3 Kc3 0–1. kaasparov – vcelar1943, kurnik, 2014.

6.a4 cb5 7.ab5 b6 8.Nf3 d6 9.Nbd2 0-0 10.e4 Bb7 11.Bd3 Nbd7 12.0-0 Rc8 13.Re1 e6 14.Rc1 d5 15.e5 Ne8 (15...Nh5!?+/–) 16.Ba3+– dc4 17.Nc4 Bd5 18.Ne3 (better is 18.Qe2+–) 18...Rc1+= 19.Qc1 Bf3 20.gf3 (worse is 20.Bf8 Nf8 21.gf3 Qd4+=) 20...Qg5 (20...Ne5!? 21.de5 Qd3 22.Bf8 Kf8+=) 21.Kf1 f6?? (better is 21...Qf4 22.Be4 Qh4+–) 22.Bf8 (better is 22.Qc8!? fe5 23.Qd7 Qf6+–) 22...Nf8 23.Qc8 fe5 24.Qe8 ed4 25.Ng2 Be5 26.Bc4 Qf5 27.f4! Bf4 28.Nf4 Qf4 29.Be6 Kg7 30.Qe7 Kh6 31.Bg8 d3 32.Qe3 Qe3 33.Re3 Kg7 34.Bb3 d2 35.Rd3 h5 36.Rd2 Nh7 37.Rd6 1–0. kaasparov (1615) – fido1410, kurnik, 2013.

6.Qa4 A) 6...0-0 7.e3 (7.Nf3 d5 8.Nc3 cb5 9.Nb5=; 7.Nc3 cb5 8.Qb5 d6 9.Nf3=; 7.Nd2 d5 8.e3 cb5 9.Qb5=; 7.Na3 d6 8.Nf3 Bf5 9.e3=) 7...d6 8.Nf3 cb5 9.cb5=; B) 6...d6 7.e3 (7.Nd2 0-0 8.e4 c5 9.Ngf3=; 7.Nf3 cb5 8.Qb5 Bd7 9.Qb7=; 7.Nc3 0-0 8.e3 cb5 9.cb5=) 7...0-0 8.Nf3 cb5 9.cb5=; C) 6...d5 7.Nf3 (7.e3 0-0 8.Nc3 Bg4 9.Bd3=; 7.Nc3 cb5 8.Nb5 0-0 9.cd5=; 7.c5 cb5 8.Qb5 Nc6 9.e3+=) 7...0-0 8.Nc3 Nbd7 9.c5=; D) 6...cb5 7.Qb5 a4 8.e3 Ra5 9.Qb4=.

6.Nc3 A) 6...cb5 7.cb5 (7.Nb5 0-0 8.e3 d5 9.Nf3=) 7...d5 8.e3 0-0 9.Bd3=; B) 6...0-0 7.e4 (7.e3 d5 8.Nf3 cb5 9.Nb5=; 7.Nf3 d5 8.e3 Bg4 9.h3=; 7.Rc1 d6 8.Nf3 Bf5 9.e3=) 7...d5 8.e5 Ne4 9.bc6+=; C) 6...d6 7.e3 (7.e4 c5 8.e5 de5 9.de5=; 7.Nf3 Bf5 8.e3 0-0 9.Bd3=) 7...0-0 8.Nf3 cb5 9.Nb5=; D) 6...d5 7.Nf3 (7.e3 0-0 8.Qb3 cb5 9.Nd5=; 7.Rc1 a4 8.e3 a3 9.Ba1=; 7.Qa4 cb5 8.Nb5 0-0 9.cd5=) 7...0-0 8.e3 cb5 9.Nb5=.

6.Nc3 dc4 7.e4 Nfd7 8.Na4 e5 9.d5 =.

6.c5 0-0 (6...Bf5 7.e3 (7.Nc3= 0-0 8.e3 Ne4 9.Ne4=; 7.Nf3 Ne4 8.Nc3 0-0 9.e3=) 7...0-0 8.Nc3 Nbd7 9.Nf3=; 6...h6 7.Nf3 (7.e3 Bf5 8.Nf3 0-0 9.Bd3=) 7...0-0 8.e3 a4 9.Bd3=; 6...a4 7.Nc3 (7.a3 0-0 8.Nc3 Ne4 9.Ne4=; 7.e3 Bf5 8.Nc3 a3 9.Bc1=) 7...a3 8.Bc1 Bf5 9.Qb3=; 6...Bg4 7.Nc3 (7.f3 Bd7 8.Nc3 Bf5 9.g4=; 7.Nf3 0-0 8.e3 Nbd7 9.Be2=; 7.h3 Bf5 8.g4 Be4 9.f3=) 7...Bf5 8.Nf3 0-0 9.e3=; 6...Ne4 7.Nc3 Nc3 8.Bc3 Nd7 9.Rc1=; 6...Bd7 7.e3 Bf5 8.Bd3 Bd3 9.Qd3=) 7.Nc3 (7.Nf3 Bg4= 8.e3 Nbd7 9.Be2=; 7.e3 Bg4 8.Be2 Bf5 9.Nf3=) 7...Ne4 (7...Bf5 8.e3 (8.f3+= Re8 9.g4=) 8...Re8 9.Nf3=; 7...Bg4 8.h3 Bf5 9.g4=) 8.Ne4 de4 9.Qd2 (9.Qc2 e5 (9...Bd4? 10.Rd1+–) 10.de5 Qe8=) 9...Nd7 (9...Be6 10.e3=) 10.Rc1 e5 (10...Nf6 11.e3=) 11.d5 e3 (11...a4!?=) 12.Qe3+= Nf6 13.Rd1 (13.Qe5? Nh5 14.Qe3 Bb2–+; worse is 13.Be5 Ng4 14.Bc7 Qc7+=) 13...Nd5 14.Qg3 f5 15.e4 fe4 16.Bc4 c6 17.Be5 e3 18.Nf3 (18.f4!?+=) 18...ef2+= 19.Kf1 (19.Kf2?? Be5 20.Bd5 Qd5 (20...cd5?! 21.Qe5 Rf5 22.Qd4+=) 21.Rd5 Bg3 22.Kg3 cd5–+) 19...Be6 20.Kf2 Be5 21.Qe5 Qh4 22.Kg1 Qc4 23.Qe6 Kg7 24.bc6? (24.Qe5 Rf6 25.Qd4 Qa2 26.Nd2–+) 24...Qc5–+ 25.Nd4 Rae8 (25...Rae8 26.Qe8 Re8 27.cb7 Nc3–+) 0–1. Kubacek,Josef – Zylla,Johannes (2225), corr ICCF WSTT/3/06/2, 2006.

6.cd5 A) 6...Bf5 7.f3 Bb1 8.Rb1 Nd5 9.Qd2+=; B) 6...a4 7.Qc1 (7.Nc3 a3 8.Bc1 Nd5 9.Nd5+=; 7.Nf3 0-0 8.e3 Nd5 9.e4=; 7.e3 0-0 8.Nf3 Nd5 9.e4=; 7.a3 0-0 8.Nc3 Nd5 9.Na4=) 7...Nbd7 8.Nc3 Nb6 9.e4+/–; C) 6...0-0 7.Nf3 (7.e3 Nd5 8.Nf3 c6 9.Nc3=; 7.Qc1 Nd5 8.e4 Nf6 9.Qf4=; 7.Nc3 Nd5 8.e4 Nc3 9.Bc3=) 7...a4 8.Qc1 Nd5 9.e4=.

6.e3 A) 6...0-0 7.Nf3 (7.Nc3 Be6 8.Qf3 a4 9.cd5=; 7.cd5 Nd5 8.e4 Nb6 9.Nf3=) 7...c6 8.Nc3 cb5 9.Nb5=; B) 6...Bf5 7.Nf3 (7.Nc3 c6 8.bc6 bc6 9.Nge2=; 7.Be2 dc4 8.Nf3 0-0 9.0-0=; 7.cd5 Nd5 8.Nc3 a4 9.a3=) 7...0-0 8.Nc3 c6 9.Qb3+=; C) 6...a4 7.a3 (7.cd5 0-0 8.Nf3 Nd5 9.e4=; 7.Nf3 0-0 8.Bd3 dc4 9.Bc4=; 7.Bd3 0-0 8.Nf3 dc4 9.Bc4=; 7.Ba3 Be6 8.c5 0-0 9.Nc3=) 7...Be6 8.c5 Ne4 9.Nc3+=; D) 6...Bg4 7.Nf3 (7.Be2 Be2 8.Qe2 a4 9.Nf3=) 7...0-0= 8.Nc3 c6 9.h3=; E) 6...Be6 7.cd5 (7.Nf3 dc4 8.Nbd2 0-0 9.Qa4=) 7...Nd5 8.Nf3 0-0 9.e4=; F) 6...c6 7.Nc3 (7.c5 0-0 8.Nc3 b6 9.Rc1=; 7.Qa4 0-0 8.Nc3 Bg4 9.Bd3=; 7.Qf3 Bg4 8.Qf4 Be6 9.c5=; 7.Qb3 a4 8.Qb4 cb5 9.Qb5=) 7...cb5 8.Nb5 0-0 9.cd5=.

6.Nf3 A) 6...Bf5 7.e3 (7.Nc3 0-0 8.e3 c6 9.Qb3+=; 7.cd5 0-0 8.Nbd2 a4 9.Ba3=; 7.Nbd2 a4 8.cd5 a3 9.Bc1=) 7...0-0 8.Nc3 c6 9.Qb3+=; B) 6...Be6 7.cd5 (7.e3 dc4 8.Nbd2 a4 9.Nc4=) 7...Bd5 8.e3 Ne4 9.Bd3+=; C) 6...a4 7.cd5 (7.e3 0-0 8.Bd3 dc4 9.Bc4=) 7...0-0 8.Qc1 Nd5 9.e4=; D) 6...0-0 7.e3 (7.Nc3 dc4 8.e3 Be6 9.Nd2=; 7.cd5 a4 8.Qc1 Nd5 9.e4=) 7...a4 8.Bd3 dc4 9.Bc4=; E) 6...c6 7.cd5 (7.e3 0-0 8.Nc3 cb5 9.Nb5=; 7.Nc3 cb5 8.Nb5 0-0 9.e3=; 7.bc6 Nc6 8.cd5 Qd5 9.Nc3=) 7...cd5 8.e3 0-0 9.Bd3+=; F) 6...Nbd7 7.Nbd2 (7.e3 0-0 8.Nc3 dc4 9.Bc4+=; 7.cd5 Nb6 8.e3 0-0 9.Bd3=) 7...Nb6 8.c5 Nbd7 9.e3+=; G) 6...Bg4 7.Ne5 (7.e3 0-0 8.Bd3 dc4 9.Bc4=; 7.Nc3 Bf3 8.gf3 dc4 9.e3=) 7...Bf5 8.Nc3 e6 9.e3=.

6.Nc3 A) 6...Nbd7 7.Nf3 (7.e3 0-0 8.Nf3 e5 9.Be2=; 7.e4 e5 8.de5 Ne5 9.c5=; 7.Rb1 e5 8.Nf3 e4 9.Ng1+=) 7...0-0 8.e4 e5 9.Bd3=; B) 6...Bf5 7.Nf3 (7.f3 0-0 8.e4 Bc8 9.Nge2=; 7.e3 0-0 8.Qf3 Qc8 9.h3=; 7.h3 0-0 8.g4 Be6 9.e4=; 7.g3 c6 8.Bg2 d5 9.bc6=) 7...0-0 8.e3 c5 9.Be2=; C) 6...0-0 7.Nf3 (7.e4 c5 8.Nf3 a4 9.Bd3=; 7.e3 e5 8.Nf3 ed4 9.Nd4=) 7...Bg4 8.e4 c5 9.Be2=.

6.Nd2 A) 6...0-0 7.Ngf3 (7.e4 a4 8.Ngf3 c5 9.bc6=; 7.e3 c5 8.Bd3 cd4 9.ed4=; 7.Qc2 c5 8.dc5 Bf5 9.Qc3=) 7...Bf5 8.e3 c5 9.Be2=; B) 6...c5 7.bc6 (7.dc5 dc5 8.Qa4 0-0 9.Rd1=; 7.e3 Nbd7 8.Be2 0-0 9.Ngf3=; 7.e4 0-0 8.dc5 dc5 9.Qc2=; 7.Ngf3 cd4 8.Bd4 0-0 9.e4=) 7...Nc6 8.e4 Qb6 9.Qb3=; C) 6...Bf5 7.f3 (7.e3 a4 8.Qf3 c6 9.e4=; 7.h3 a4 8.g4 Bc8 9.Bg2=) 7...0-0 8.e4 Bd7 9.Bd3=; D) 6...a4 7.e4 (7.a3 0-0 8.e4 c5 9.bc6=) 7...c5 8.bc6 Nc6 9.Ngf3=; E) 6...Nbd7 7.e4 0-0 8.Ngf3 e5 9.de5=; F) 6...e5 7.e4 (7.de5 Ng4 8.Ngf3 Nd7 9.e4=) 7...ed4 8.Bd4 0-0 9.Bd3=.

6.e3 0-0 7.Nf3 (7.Bd3 e5 8.de5 Nfd7 9.Nf3=) 7...e5 8.de5 Nfd7 9.Be2 =.

6.Nf3= 0-0 7.e3 e5 8.de5 Nfd7 9.Bd3 =.

6.Nf3 c6 7.a4 0-0 8.Nbd2 Nbd7 9.e4 e5 10.de5 Ng4 11.Qc2 Nge5 12.Be2 Nf3 13.Nf3 Ne5 14.0-0 Be6 15.Rfd1 Qe7 16.Nd4 Bd7 17.h3 c5 18.Nf3 Nf3 19.Bf3 Be6 20.Bg7 Kg7 21.Qc3 f6 22.Rd2 Qc7 23.Rad1 Rad8 24.g4 h6 25.Bg2 b6 26.f4 Qf7 27.Rd6 Rd6 28.Rd6 Bc4 29.Rb6 Rd8 30.g5 hg5 31.fg5 Rd1 32.Kf2 Rd4 33.gf6 Kh7 34.e5 Bd5 35.Qc5 Rd2 36.Ke3 Rg2 37.Qd4 Rg3 38.Kf2 Rh3 39.Rd6 Rf3 40.Ke1 Be6 41.Qh4 Kg8 42.Rd8 1–0. kaasparov (1630) – firi77 (1625), kurnik, 2013.

6.a4 b6 7.Nf3 Bb7 8.Be2 d6 9.0-0 Nbd7 10.d4 e5 11.de5 Ng4 (11...Ne4 12.Nbd2+=) 12.Nc3 (12.Nd4!? Nge5 13.f4+–) 12...Nde5 13.h3 Nf3 14.Bf3 Ne5?? (better 14...Bf3 15.Qf3 Ne5+=) 15.Bb7+– Rb8 16.Bd5 Kh8 17.Qe2 f5 18.Rad1 f4 19.ef4 Rf4 20.Ne4 Qe7 21.Ng3 (better 21.Bc1 Rf5+–) 21...Rbf8 (21...Re8 22.Qd2 Rff8 23.Rfe1+–) 22.Rde1 (22.Bc1!? R4f7+–) 22...Qh4 23.Bc1 Bh6 (23...Rd4 24.Ne4 Nc4 25.Bc4+–) 24.Bf4 Bf4 25.Qe4 (25.Ne4 Bh6+–) 25...g5 (25...Bg3 26.fg3 Rf1 27.Rf1 Qe4 28.Be4+–) 26.Nf5 Qh5 27.Ne3 (better 27.Nd4!? Qh6+–) 27...g4 28.Be6 gh3 29.Bh3 Rg8 (29...Qg5+–) 30.Qf4 Nf3 31.Kh1 Ng5 (31...Ne1 32.Qf6 Rg7+–) 32.Qf6 Rg7 33.Nf5 (33.Nf5 Qh3 34.gh3 Ne6 35.Re6 Kg8 36.Qg7) 1–0. BeepBeepImAJeep (2555) – Tawnyraven (2195), lichess.org, 2018.

6.a4 d5 7.Nf3 dc4 8.Bc4 Ne4 (8...Bf5 9.d4=) 9.Bg7+= Kg7 10.0-0 Nd7 (10...Nd6 11.Be2+=) 11.d3 Nef6 12.d4 Nb6 13.Be2 Bg4 14.Nc3 Nbd5 15.Nd5 White launches an attack 15...Qd5 16.h3 Bf3? (better 16...Bf5!?+–) 17.Bf3+– (17.gf3?! e5=) 17...Qd7 (17...Qd6 18.Bb7 Rab8 19.Bc6+–) 18.Bb7 Rad8 (18...Ra7 19.Bc6 Qf5 20.Rc1+–) 19.Bc6 Qe6 (19...Qd6 20.Qe1+–) 20.Qe1 (20.Qd2 Qd6+–) 20...Nd5 (20...Qd6 21.Qa5 e5 22.Rfd1+–) 21.Bd5 (better 21.Qa5!? Qf5+–) 21...Qd5 (21...Rd5 22.Rc1+–) 22.Qa5 Rd7 (22...c6 23.Rfb1+–) 23.Rac1 (23.Rfc1 Ra8 24.Qb4 Qe4+–) 23...Rc8 (23...Ra8 24.Qb4+–) 24.Rc5 Qd6 25.Qc3 h5 (25...Ra8 26.a5+–) 26.a5 Kh7 (26...Ra8 27.Ra1+–) 27.a6 (27.Rc6 Qd5 28.b6 Rh8 29.bc7 Rc8+–) 27...e5 (27...Ra8 28.Ra1+–) 28.Re5 f6 29.Rc5 Re8 (29...Ra8 30.Ra1+–) 30.Rc1 Qe6 (30...Qb6 31.Qc4 Kh8 32.Rc6+–) 31.Rc7 Qe4 (31...Kh8+–) 32.Rd7 (32.Rd7 Kh6 33.Qc6 Qc6 34.bc6+–) 1–0. BeepBeepImAJeep (2580) – fmshawnrl123 (2310), lichess.org, 2017.

6.a4 d5 7.Nf3 c6 8.Be2 Nbd7 9.0-0 Nc5 (9...dc4 10.bc6 bc6 11.Na3=) 10.d4+= Nce4 11.Nbd2 Bf5 12.Rc1 Nd2 13.Qd2 Ne4 14.Qd1 e6 (14...cb5 15.cb5 Rc8 16.Rc8 Qc8 17.Nh4=) 15.Qb3 (15.bc6 bc6 16.Ba3 Re8+–) 15...h5 16.Rfd1 h4 17.h3 g5 18.Ne5 f6 19.Nd3 Bg6 20.bc6 (20.Ba3 Rf7+–) 20...bc6+= 21.cd5 cd5 Opening the c–file gets White a lot of play 22.Rc6 Rb8 23.Qa2 Qd7 24.Rdc1 Rfc8 25.Rc8 Rc8 26.Rc8 Qc8 27.Qb3 Qc4 28.Nc1 Qb3 29.Nb3 f5 30.Na5 f4 31.Nb3 (31.ef4 gf4 32.Bg4 Ng5+–) 31...fe3+– 32.fe3 Nd6 (32...Ng3 33.Bf3 Nf5 34.Kf2+–) 33.a5+– Nc4 (33...Kf7 34.Nc5+–) 34.Bc1 (34.Bc4!? dc4 35.Nd2 c3 36.Bc3 Bd3+–) 34...e5 35.a6 ed4 36.ed4 Bc2 37.a7 (better 37.Be3 Nb6 38.Nd2+–) 37...Bb3?? (better 37...Nb6 38.Nd2 Bd4 39.Kf1 Kf7+–) 38.a8Q+– Kh7 39.Qd5 (39.Bd3 Kh6 40.Qg8 Bd4 41.Kh1 Kh5 42.Qg5) 39...Nd2 40.Qf5 (40.Bd3 Kh8 41.Qd8 Bg8 42.Qe8 Bd4 43.Kh1 Ne4 44.Qe4 Bg7 45.Qg6 g4 46.Qh5 Bh7 47.Qh7) 40...Kh6 41.Bd2 (41.Bd3 Bd4 42.Kh1 Ne4 43.Be4 Kg7 44.Qg6 Kf8 45.Ba3 Bc5 46.Bc5) 41...Bg8 (41...Bd4 42.Kf1 Kg7 43.Bd3 Bf7 44.Qg5 Kh8 45.Qh6 Kg8 46.Bh7 Kh8 47.Bg6 Kg8 48.Qh7 Kf8 49.Qf7) 42.Bg5 1–0. BeepBeepImAJeep (2650) – skopje123 (2345), lichess.org, 2016.

6.a4 d5 7.Nf3 Be6 8.Be2 dc4 9.Na3 Nbd7 (9...c3 10.Bc3 Nbd7 11.0-0=) 10.Nc4 Nc5 (10...h6 11.d4=) 11.d4+= Nce4 12.0-0 Nd5 13.Rc1 Nb4 14.Nce5 f6 15.Bc4 Bc4 16.Nc4 Qd5 17.Qb3 Rfd8 18.Na5 Ra5? (better 18...Qb3!? 19.Nb3 Nd3 20.Rc7 Nb2 21.Re7 f5+=) 19.Qb4+– Rda8 20.Rc7 Ra4?? (20...Bf8 21.Ra1 e6+–) 21.Qe7 (21.Qe7 Bh8 22.Qh7 Kf8 23.Nh4 Ng3 24.Ng6 Ke8 25.Qe7) 1–0. BeepBeepImAJeep (2645) – chess_stat (2430), lichess.org, 2017.

6.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.c4 Bg7 4.e3 0-0 5.d4 a5 6.b5).

6.Be2 d6 7.Nf3 Nbd7 8.0-0 e5 (8...Nc5 9.Nc3=) 9.d3 (9.Nc3 Re8=) 9...Nc5 10.Nc3 a4 11.a3 Be6 12.Qc2 Bf5 Black plans e4 13.Nd2 Re8 Black plans e4 14.Rab1 (14.Nde4 Nfe4 15.Ne4 Nb3=) 14...Qd7 (14...e4 15.d4 Nd3 16.f3 Nb2 17.fe4 Nc4 18.Bc4+=) 15.Bc1 (15.Nde4 Nfe4 16.Ne4 Bg4=) 15...e4 16.d4 Nd3 17.Na4 (17.h3 h5=) 17...d5 18.Qb3 (18.Nc3 c6= (worse 18...Nc1 19.Rfc1 dc4 20.a4+–)) 18...b6 (18...Bf8!?=+) 19.Nb2= dc4 20.Nbc4 Nd5 21.Bd3 ed3 22.Bb2 Bg4 (22...Qc8 23.Rfe1 Qb7 24.f3+–) 23.Rfc1+= Be6 (23...Be2 24.Ne5 Be5 25.de5+=) 24.Ba1 Qe7 25.Re1 Rac8 (25...Bf5!?+=) 26.Qd3+– Red8 (better 26...c5!?+–) 27.e4+– Nf4 28.Qf3 Nh5 (28...Bc4 29.Nc4 (29.Qf4?! Ba2 30.Rb4 f5+–) 29...Ne6 30.d5 Ba1 31.Ra1+– (31.de6?! Qe6 32.Nb6 Qb6 33.Ra1 Qb5+–)) 29.d5 Bd5 (29...Ba1 30.Ra1 Bd7+–) 30.ed5 Qe1 (30...Qc5+–) 31.Re1 Ba1 1–0. Bazza3 – PeterRs, ChessWorld.net, 2018.

6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5).

6.Nf3 d6 7.d4 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

6.g3 d5!?=+.

6.g3 Ne4 7.Bg7+= Kg7 8.Bg2 Nc5?? (better 8...Nf6+=) 9.d4+- Ne6 10.Ne2?? (10.d5 d6 11.de6 fe6+-) 10...Ra7?? (10...d6 11.Nbc3+=) 11.0-0?? (better 11.d5+-) 11...b6+/- 12.a4 c6 13.Nbc3 c5 14.Nd5 (14.d5 Nc7+/-) 14...Bb7 15.Nec3 Bd5 (15...d6!?+/-) 16.cd5+- Nc7 (16...cd4 17.Ne4+- (worse 17.ed4 Nc7+/-)) 17.Rc1?? (better 17.dc5 Ne8 18.Qd4 f6 19.d6+-) 17...d6+/- 18.e4 Nd7 19.Ne2 f6 20.Nf4 Rh8 21.Ne6 Ne6 22.de6 Nf8 23.dc5 bc5 24.Qd5 Qc8 25.b6 Rb7 26.Rb1 c4? (better 26...Rb8+/-) 27.Rfc1 c3 (27...Qb8 28.e5 Rb6 29.ef6 ef6 30.Rb6 Qb6 31.e7+- (31.Rc4?! g5+-; 31.Qc4?! Qc5 32.Qc5 dc5+-)) 28.e5 (28.Rc3 Qb8 29.Rcb3 Qc8+-) 28...Rb8 29.b7 (29.ef6!? ef6 30.Qd6 c2+-) 29...Qc7 30.ef6 ef6 31.e7! Qe7 32.Rc3 Ne6 (32...g5 33.Qa5 Kh6 34.Qc7 Qc7 35.Rc7+-) 33.Qa5 (better 33.Re3 Rhe8 34.Rbe1 (worse 34.Qa5 Qd7+-) 34...Qb7 35.Qb7 Rb7 36.Bb7+- (36.Re6?! Re6 37.Re6 Rb1 38.Bf1 Ra1+-)) 33...Nc5 34.Rc5?? (better 34.Re3 Qd7 35.Rbe1+-) 34...dc5+/- 35.Qb6 c4 36.a5 c3 37.a6 c2 38.Rc1 Qe2 (38...Rhd8 39.Rc2 Rd1 40.Bf1+-) 39.Qc7 (39.Qc7 Kh6 40.Bf1+-) 1-0. b4 (1685) - q1p1, Rated Blitz game, lichess.org, 2013.

6.Nf3 Bb7 7.d4 d5 8.c5 c6 9.Qc2 0-0 10.Nbd2 cb5 11.Bb5 Nc6 12.a3 Rc8 13.Nb3 Ne4 14.0-0 (14.Rd1 Na7 15.Bd3 f5=+) 14...e6 (14...Na7 15.a4=) 15.Bc6 (better 15.Rfc1+=) 15...Bc6-/+ (worse 15...Rc6 16.a4=) 16.Ne5 (16.a4 Qe8 17.Nbd2 bc5 18.dc5 Bb2 19.Qb2 Nc5-/+) 16...Ba4 (16...Be5 17.de5 Ba4 18.Qd3-/+) 17.Qd3 (17.f3!? bc5 18.fe4 cd4 19.Qd3 Bb3 20.Qb3-+) 17...Bb3-+ 18.Qb3 bc5 19.Rfd1 (19.Rad1 f6 20.Nf3 c4-+) 19...c4 (19...Qh4!? 20.g3 Qh5 21.f3-+) 20.Qc2 c3 (20...f6 21.Ng4-+) 21.Bc1-/+ Qc7 22.Nd3 Rb8 (22...Rfe8 23.f3 Nf6 24.Rb1-/+) 23.f3 Nd6 24.Nc5 Nb7 (better 24...Qc6-/+) 25.Qc3?? (better 25.Na6 Qc6 26.Nb8 Rb8 27.Rb1+=) 25...Nc5 (25...Qc5 26.Qe1 (26.dc5?? Bc3 27.Ra2 Nc5-+) 26...Qc2 27.Bd2-+) 26.Qc5 (26.Bd2 Rfc8 27.Rac1-+) 26...Qc5 27.dc5 Ba1 0-1. dannysmet (2110) - Monkicorcu (2050), Rated Blitz game, lichess.org, 2021.

6.Nf3 Bb7 7.d4 d5 8.Nbd2 Ne4 9.Bd3 Nd7 (9...Nd2 10.Qd2 dc4 11.Bc4 Bf3 12.gf3+=) 10.0-0 (10.cd5 Nd2 11.Qd2 f5+/-) 10...0-0 11.Qc2 (11.cd5 Nd2 12.Qd2 Bd5+/-) 11...f5 (11...Nd2 12.Nd2 c5 13.bc6 Bc6 14.Rfc1+=) 12.cd5 (12.Be4 de4 13.Ng5 Rf6+/-) 12...Nd2 13.Nd2 Bd5 14.Rac1 (14.Rfc1 Rc8+/-) 14...Rc8 (14...Ba2 15.Ba3 Bf7 16.Nf3=) 15.Bc4+= e6 16.Ba3 Rf7 17.Nf3 Bf3 (17...c5 18.dc5 Nc5 19.Bd5 ed5 20.Nd4+=) 18.gf3+/- Qg5 19.Kh1 Re8 20.f4 Qh4 21.Be2 Nf6 22.f3 (22.Qc6 Bf8 23.Bf8 Kf8+=) 22...Nd5+= 23.Qb3 g5 24.fg5 f4 25.e4 Ne3 26.Rg1 Bd4 27.Bb2 e5?? (better 27...Qf2 28.Rce1 Bb2 29.Qb2 e5=+) 28.Bd4 (28.Rc7 Ref8 29.g6 hg6 30.Rg6 Kh8 31.Rf7 Rf7 32.Qf7 Qe1 33.Rg1 Qg1 34.Kg1 Bb2+-) 28...ed4?? (better 28...a4 29.Qa4 ed4 30.Qd4 Qh5+-) 29.Bc4 (better 29.Rc7! Ref8 30.g6 hg6 31.Rg6 Kh8 32.Rf7+-) 29...Nc4 (better 29...Qh3!? 30.Bf7 Kf8=) 30.Rc4+/- Kg7 (better 30...a4 31.Qd1 Rd8 32.Rd4 Rd4 33.Qd4 Qh3+-) 31.Rc6?? White prepares g6 (better 31.Rd4 Qf2 32.Rgd1+-) 31...Qf2= 32.g6 (32.g6 Rd7 33.gh7 Kh7 34.Qd3+=) 1-0. jhonores (2180) - davisreti (2085), Rated Blitz game, lichess.org, 2020.

6.d4 0-0 7.Nf3 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

6.f4 0-0 7.d4 =+.

6.f4 e5 7.fe5= Ng4 8.Nf3 Ne5 9.Ne5 Be5 10.Be5 de5 11.Qf3 Nd7 12.Nc3 Qf6 13.Be2+= Qf3 14.Bf3 Nf6 15.0-0+/– Ke7 16.Rf2 Ne8 17.d4+/– Rb8 18.de5+– h5 19.Raf1 Rh7 20.Bd5 Be6? 21.Ne4 c6 22.Be6 (22...fe6 23.Ng5+–) 1–0. Skonieczny,Jerzy – Gajda,Leszek, corr 2. AMM Poland, 1994.

6.d3 0-0 7.Be2 c6 8.a4 Nbd7 9.f4 Nh5 10.Bg7 Ng7 11.Nf3 e6 12.0-0 Qf6= 13.d4 Qf4 14.Qd3 d5 15.ed5 ed5 16.c5 Nf5 17.g3 Qh6 18.g4 Nh4 19.Nh4 Qh4=+ 20.Qe3 Nf6 21.h3 Ne4 22.Kg2 f5 23.gf5? Rf5 24.Rf5 Bf5–+ 25.Nc3?? Bh3! 26.Qh3 Qf2 (27.Kh1 Ng3 28.Qg3 Qg3–+) 0–1. Wisniewski,Jan – Gajda,Leszek, corr 2. AMM Poland, 1994.

6.d3 a4 7.Nf3 =.

6.Nf3 0-0 =.

6.Nf3 Nbd7 7.Qc2 Nc5 8.Bf6 (better is 8.Nc3!?=) 8...ef6–/+ 9.d4 f5 10.Nc3 (10.ef5!? Bf5 11.Qd2+=) 10...fe4–/+ 11.dc5 ef3 12.gf3 (12.Qe4!? Kf8 13.Qf3–+) 12...Qf6 13.Qe4?? (better is 13.Rc1 Qf3 14.Qe2 Qe2 15.Be2 dc5 16.Nd5–+) 13...Kd8 14.cd6 (14.0-0-0 Qc3 15.Qc2 Qa3 16.Kb1 Qb4 17.Qb3 Qc5 18.Qc2–+) 14...Qc3 15.Ke2 Qb2 16.Kd3 (16.Ke3 Bd4! 17.Qd4 Re8 18.Qe4 Re4 19.fe4 Qa1 20.dc7 Kc7 21.h4–+) 16…Bf5 0–1. Baer,Cy (1895) – Cuttica,Gerardo Axel (2200), RSS4D easy–41, 2007.

6.g3 0-0=+ 7.Bg2 a4 8.d4 =.

6.g3 0-0 7.Bg2 e5 8.Ne2 c5 9.Nbc3 Nbd7 10.Na4 Nb6 11.Nb6 Qb6 12.Nc3 Qd8 13.Qc2 b6 (13...Be6 14.d3=) 14.0-0-0 Bb7 15.Rdf1 Ne8 16.h4 Nc7 17.f4 Ne6 18.Ne2 Nd4 19.Nd4 ed4 20.d3 f5 21.ef5 Bg2 22.Qg2 Rf5 23.g4 Rf8 24.Qd5 Kh8 25.h5 gh5 26.Qh5+– h6 27.g5 Qe8 28.gh6 Bf6 29.Qf3 Bg5 30.Qg3 Bf6 31.Rfg1 Qe3 32.Kd1 Rae8 33.Rh2 Rg8 34.Qe3 Re3 35.Rg8 Kg8 36.Kd2 Kh7 37.Bc1+– Re7 38.Kd1 Re8 39.Bd2 Re7 40.Rh5 1–0. de Visser,Arno – Packroff,Hermann, corr ICCF, 1984.

6.g3 0-0=+ 7.Bg2 e5 8.Ne2= Be6 9.Qc2 c5 10.d3 Qc8 11.h3 h5 12.Nbc3 Bh6 13.Bc1 Bc1 14.Qc1 Kg7 15.f4 Nh7 16.g4 Qd8 17.Qe3 Qh4 18.Kd2 ef4 19.Nf4 Nd7 20.Bf3 Ne5 21.Be2 Qd8 22.gh5+– g5 23.h6 Kh8 24.Nh5 Rg8 25.Ng7 Qf6 26.h4 Qh6 27.Ne6+– fe6 28.hg5 Qg7 29.Rag1 Qe7 30.Nd1 Rg6 31.Nf2 Kg8 32.Nh3 Rf8 33.Nf4 Rg7 34.g6 Ng5 35.Rh5 Qf6+/– 36.Rgh1 Ng6 37.Ng6 Rg6 38.Rh8 Kg7= 39.Rf8 Qb2 40.Ke1 Kf8 41.Rf1 Ke7 42.Qf4 Qg7 43.Qd2 b6 44.Qc2 Nh3=+ 45.Qc1 Rg2–/+ (46.Qc2 Ng1–/+) 0–1. de Visser,Arno – Kotlar, corr ICCF Cup VI–VII, 1986.

6.d3 d5 7.Nbd2 c6 8.e3 Nbd7 9.a4 Nc5 10.Be2 Be6 11.cd5 Bd5 12.0-0 Be6 13.Rc1 Nd3 14.Bd3 Qd3 15.bc6 bc6 16.Qc2 (16.Ne5 Qd6 17.Rc6= (17.Nc6? Ng4 18.Ne7 Qe7 19.Bg7 Kg7–+)) 16...Qc2–/+ 17.Rc2 Rab8 18.Bf6 Bf6 19.Rc6 Rb4 20.e4 Ra4 21.e5 Bg7 22.Rc7 Re8 23.h3 Bd5 24.Rc5 e6 25.Rfc1 Bf8 26.Rc8 Rc8 27.Rc8 Kg7 28.Ng5 h6 29.Ngf3 Ra1 30.Kh2 a4 31.Nd4 a3 32.N2b3 Rb1 33.Rc1 (33.Nc1 a2 34.Na2 Ba2–+) 33...Rc1 (better is 33...a2!? 34.Rc2 Rb3 35.Ra2–+) 34.Nc1 a2 35.Na2 Ba2 36.f4 Bc5 37.Ne2 Bc4 38.Nc3 Bd4 39.Ne4 Bd5 40.Nd6 Kf8 41.g4 (41.Nb5 Be3 42.g3 g5 43.fg5 hg5–+) 41...Ke7 42.Kg3 g5 43.Nb5 Bc5 (43...Be3 44.fg5 hg5 45.Nc3–+) 44.fg5 hg5 45.h4 gh4 46.Kh4 Bc4 47.Nd6 Bf1 48.Kg3 Bd4 0–1. annamar (1790) – btmachine333667 (1620), kurnik, 2012.

6.e3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5).

6.e3 d6 7.d4 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

7.d3 Nbd7 8.Nbd2 e5 9.Bg2 b6?? (better is 9...Nc5=) 10.Ne5+-.

7.d3 Nbd7 8.Bg2 e5 9.Nbd2 Rb8 10.0-0 Re8 11.Qc2 b6 12.e4 Qe7 13.d4 Bb7 14.de5 de5 15.a4 Rbd8 16.Rfe1 h6 17.Nb3 c5 (17...Qe6 18.Nfd2 c6 19.Red1=) 18.bc6 Bc6 19.Bh3 (19.Ba3 Qe6 20.Nbd4 ed4 21.Nd4 Be4 22.Re4 Qe4 23.Be4 Re4+=) 19...Nh7 20.Ba3 Qf6 21.Nbd2 Nc5 Exerts pressure on the isolated pawn (21...Nhf8 22.c5+=) 22.Bc5= bc5 23.Bg2 Qe7 24.Nf1 Nf8 25.Ne3 Ne6 26.Nd5 Bd5 27.ed5 Ng5 28.Rab1 Nf3+= 29.Bf3 Rb8 30.Rb5 Rb5 31.cb5 Qd6 32.Qd2 Ra8 33.Rb1 f5 34.Be2 e4 35.Bc4 Bd4 36.Qh6 Re8 37.Qf4 Be5 38.Qd2+– Ra8 39.b6 Qf6 40.Qh6 Bd6 41.Qd2 f4?? 42.b7+– Rf8 43.Rf1 Kh7 44.Qa5 Qd4? 45.Qa6 Bb8 46.Be2 fg3+/– 47.Qc4?? gf2 48.Kg2 Qe5 49.Rh1 f1Q! 50.Bf1 Qg5 (50...Qg5 51.Kh3 Rf3#) 0–1. Williams,Mike (1875) – Patty,John (2205), Southwest op, 1999. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

7.d3 e5 8.a4 h6 9.Nbd2 Be6 10.Qc2 Qd7 11.c5 Bh3 12.Bh3 Qh3 13.cd6 cd6 14.Nc4 Qe6 15.Ba3 Rd8 (better is 15...e4!? 16.Nfd2 Rd8+=) 16.Nb6+= Ra7 17.Rc1 Nbd7 (17...e4!? 18.de4 Ne4+/–) 18.Qc7+/– Re8 19.Bd6 e4 20.Nd4 Qg4? (20...Qh3 21.de4 Qg2=) 21.h3+– Qh5 22.Nd7 ed3 23.Nf6 Bf6 24.g4?? (24.Rc5!? b6 25.Rh5 Rc7 26.Bc7 Bd4+–) 24...Qg5?? (24...Qd5 25.0-0 d2 26.Rcd1 Qd4 27.Bc5+=) 25.Bf4?? Qd5+= 26.0-0 Bd4 27.e3 Bg7 28.Rfd1 Raa8 29.Rc5 Qd8?? 30.Qd8 Red8= 31.Rc7 b6? 32.Rc6+/– d2 0–1. gentelmenjoe (1965) – dragmaster13 (1965), kurnik, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 a5 5.b5 0-0 6.c4 d6)

7.d3 e5 8.Nbd2 Nbd7 9.Bg2 Nc5 10.a4 Re8 11.Qc2 Bd7 12.0-0 Qc8 13.e3 Bh3 14.d4 ed4 15.ed4 Bg2 16.Kg2 Nce4 17.Ne4 Re4 18.Rfe1 Re1 19.Re1 Qd7 20.d5 b6 21.Bf6 Bf6 22.Qe4 Kf8 23.h4 h5 24.Re2 Kg7 25.Ne1 Bc3 26.Nd3 Bf6 27.f4 Kf8 28.Qe3 Rd8 29.Qe4 Qc8 30.Qe3 Re8 31.Qe8 Qe8 32.Re8 Ke8 33.Kf3 Bd4 34.Ke4 Ba1 35.f5 Ke7 36.fg6 fg6 37.Nf4 Kf6 38.Ne6 Bc3 39.Nc7 Bb4 40.Ne6 Ke7 41.Nf4 Kf6 42.Ne6 Ba3 43.Kf3 Bb4 44.g4 hg4 45.Kg4 Ba3 46.Nc7 Bc5 47.Ne6 Bb4 48.Nc7 Bc5 49.Ne6 Bb4 50.Nc7 Bc5 ½–½. gentelmenjoe (1820) – hminamoto (2065), kurnik, 2013. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 a5 6.b5 d6)

7.d4 c6 8.Nc3 Bf5 (8...Be6 9.e3=) 9.Bg2 Ne4 (9...d5 10.bc6 Nc6 11.cd5 Nd5 12.0-0=) 10.Nh4 Nc3 11.Bc3 Be6 12.bc6 Nc6 (12...bc6 13.Qd3=) 13.Rc1 Bd7 14.0-0 Qc8 (14...e5 15.d5 Ne7 16.Qb3=) 15.f4 (15.d5 Nb4 16.Bg7 Kg7+=) 15...Bh3= 16.d5 (16.e4 Bg2 17.Kg2 Qe6=) 16...Bc3 17.Rc3 (17.Bh3 Qh3 18.Rc3 Nb4=) 17...Bg2 18.Kg2 Nb4 19.Qd2 Qd7 (19...Qc7 20.e4=) 20.f5+= Rac8 21.Qh6 g5?? (better is 21...Rce8 22.Nf3 f6+– (22...Na2?? 23.Ng5 Nc3 24.Qh7)) 22.f6 (22.f6 ef6 23.Nf5 Qf5 24.Rf5+–; 22.Qg5?! Kh8 23.f6 Rg8+/–) 1–0. Sandmann,Bernd – Kurr,Gerd, Neuenkirchen–Elberfeld, 1991. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

7.d4 Nbd7 8.Bg2 e5 9.0-0 Re8 10.e3 e4 11.Nfd2 Nf8 (11...Nb6!?=) 12.Nc3+/– Bf5 13.Qc2 (13.h3!?+/–) 13...Qe7+= 14.Rac1 h5 15.Nd5 Nd5 16.cd5 Rac8 17.b6 c6 18.Qb3 Nd7 19.dc6 bc6 20.Bc3 a4 21.Qb2 Rb8 22.b7 Nf6 23.Rb1 Nd5 24.Nc4 c5 25.Na5 Bd7 26.Bd2 h4 27.Rfe1 Qg5 28.Qc2 hg3 29.hg3 cd4 30.ed4 e3 31.fe3 (better is 31.Be3!? Ne3 32.Qd2+=) 31...Qg3 32.Nc6 Nf4! 33.Ba5? (33.ef4 Bc6 Combination) 33...Ng2 34.Nb8 Ne1 (34...Ne1 35.Kf1 Bh3 36.Ke2 Qe3 37.Kd1 Bg4 38.Qe2 Qe2 39.Kc1 Nd3) 0–1. Burgess,Mark R (2335) – Holmes,Donald A, SCO–ch Troon, 1986. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

7.d4 Be6 8.d5 Bg4 9.Bg2 =.

7.d4 Bf5 8.Bg2 Qc8 9.0-0 Bh3 10.Nbd2 Bg2 11.Kg2 Nfd7 12.Qc2 a4 13.Rac1 c6 14.e4 Qc7 15.Rfd1 Rc8 16.Qb1 Nf8 17.c5 dc5 18.Rc5 Nbd7 19.Rc2 Qb6 (19...Qd6 20.Rdc1+=) 20.bc6 Rc6 21.Rc6 Qc6 22.d5 Qa6 23.Bg7 Kg7 24.Qb4 e6 25.Nc4 ed5 26.Rd5 Rc8 27.Nd6 Rc2 (27...Ra8 28.Ng5+-) 28.Qd4 (better 28.Nd4!? Ra2 29.Qb1+- (29.Nb7?! Qf6 30.Qe1 Ne5=)) 28...Kg8 29.Nf7 Kf7 30.Rd7 Nd7 31.Qd7 Kg8 32.Qe8 Kg7 33.Qe7 Kg8 34.Ng5 (better 34.Ne5 Qa8 35.Ng4+-) 34...Qc4+/- 35.Qh7 Kf8 36.Qd7 Kg8 (36...Qa2?? 37.Ne6 Qe6 38.Qe6+-) 37.Qe8 Kg7 38.Qe7 Kg8 39.Qe8 Kg7 40.Qe7 Kg8 41.Ne6 ½-½. De Coninck,R (2070) - Azis,A (2190), Aegean Open, 2019. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

7.Bg2 a4 8.0-0 Nbd7 9.d4 Nb6 10.Na3 Ra7 11.Rc1 Bg4 12.Qc2 (12.h3 Bf5+=) 12...Qd7 (12...Bf5 13.Qd2=) 13.Rfe1 Bf5 (13...Bh3 14.e4+=) 14.e4+= Ne4 (14...Bh3 15.c5 Bg2 A) worse 16.cb6 Bf3 17.Qc3 cb6 (17...Ne4 18.Qf3 Ng5 19.Qe3 Nh3 20.Kg2 cb6 21.Qe7=) 18.Qf3 d5=+; B) 16.Kg2+=) 15.Re4 (15.g4 Bg4 16.Qe4 Re8+-) 15...Be4 (15...d5!? 16.cd5 Qd5+=) 16.Qe4+/- d5 (16...e6 17.Qh4+/-) 17.cd5+- Nd5 (17...Qd6 18.Ne5+-) 18.Ne5 Be5 19.de5 (worse 19.Qd5 Qd5 20.Bd5 Bd6+/-) 19...e6 20.Qc4 Rd8 (20...Rc8 21.Bd5 ed5 22.Qd4+-) 21.Bd5 Qd5 22.Qd5 (worse 22.Qc7 Raa8+/-) 22...Rd5 23.Rc7 Rd2 24.Rc2 (24.Nc4 Rc2 25.Rc8 Kg7+-) 24...Rd1 25.Kg2 Ra8 26.Bc3 (better 26.b6!?+-) 26...Rc8+/- 27.Bb4 Rc2 28.Nc2 Rc1 (28...Rd5!? 29.f4 Rb5+/-) 29.Ne3+- a3 (29...Kg7 30.a3+-) 30.Ba3 Ra1 (30...Rb1 31.Ng4+-) 31.Bd6 (31.Be7 Ra2 32.Nc4 h6+-) 31...Ra2 32.b6 Rb2? (32...h5 33.g4+-) 33.Bc7 (better 33.Nc4 Rb5+-) 33...Kg7 (33...Rb4 34.Ng4! Rg4+-) 34.Nc4 Rb5 (34...Rc2 35.Na5 Kf8 36.Nb7+-) 35.f4 (better 35.Nd6!? Re5 36.Nb7 Rb5+-) 35...f6 (35...g5 36.Nd6 Rb2 37.Kh3 gf4 38.gf4 Rb3 39.Kh4+-) 36.Nd6 Rb2 37.Kh3 fe5 (37...g5 38.Nb7 Kg6 39.ef6 gf4 40.gf4 Rb3 41.Kh4+-) 38.fe5 (better 38.Nb7!? Kf7 39.Nd6 Ke7+-) 38...g5 39.Nb7 h5 40.Nc5 (better 40.g4 Rb3 41.Kg2 Rb2 42.Kf3 Rb3 43.Ke2+-) 40...Kh6 (40...g4 41.Kh4 Kg6 42.h3 Rh2 43.Ne6 Rh3) 41.g4+- Rc2 (41...Rb1 42.Kg3+-) 42.b7 hg4 43.Kg4 Rc4 44.Kf3 g4 45.Kg3 Rc3 46.Kg4 Rc4 47.Kf3 Rc3 48.Kf4 Rc4 49.Ne4 (49.Ne4 Rb4 50.b8Q Rb8 51.Bb8+-) 1-0. Spiritchaser84 (2135) - mecker (2190), Rated Blitz game, lichess.org, 2014. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

7.Bg2 c6 8.0-0 cb5 9.cb5 a4 10.Na3 e5 11.d3 Nbd7 12.Nc4 Nb6 13.Nfd2 Re8 14.Nb6 (14.Rc1 Re7+=) 14...Qb6= 15.Nc4 Qb5 16.Rb1 Qa6 17.Ba3 d5 18.Nb6 Ra7 19.Bc5 (19.Be7 Be6 (worse is 19...Re7 20.Nc8 Rd7 21.Na7 Qa7 22.Rb4+/–) 20.Bf6 Bf6 21.Nd5 Bd8=) 19...Be6+= 20.Qc2 Qa5 0–1. winugly123 – PeterRs, ChessWorld.net, 2008.

7.Bg2 c6 8.0-0 e5 9.d3 h6 10.Na3 Be6 11.Rc1 (11.c5 dc5 12.Ne5 cb5 13.Nb5 Bd5=) 11...Qc7 (11...Nbd7 12.Qd2=) 12.c5 Nfd7 (12...Ba2 13.bc6 bc6 14.cd6 Qd6 15.Ne5+=) 13.cd6 (13.bc6 bc6 14.cd6 Qd6+=) 13...Qd6= 14.bc6 Nc6 15.Nb5?? (better 15.Nc4 Bc4 16.Rc4=) 15...Qb4-+ Black prepares the advance a4 16.Ba3 Qb5 17.Rb1? (17.Bf8 Rf8 18.a4 Qb3 19.Qb3 Bb3-+) 17...Qa6 (better 17...Nb4!? 18.Qd2-+) 18.Bf8 Bf8 19.Qd2 a4 20.Rfc1 Qa5 (20...Rc8 21.Qb2-+) 21.Qa5 (21.Rb7!? Nc5 22.Qa5 Ra5 23.Rb6-/+) 21...Na5-+ 22.Rc2 Bd5?? (better 22...Ra7-+) 23.Ne5= Bg2 24.Nd7 Bc6 25.Ne5 (25.Nf8 Kf8 26.Rb6 Bd7=) 25...Bd5 26.Rb5 (26.Nd7 Rd8 27.Nf8 Kf8= (worse 27...Rf8 28.Rb5 Nc6 29.Rd5+/-)) 26...Be6 27.Nf3 (27.Rb6!? Re8 28.d4=+) 27...Nc6-/+ 28.Rb7 (28.d4 Rd8 29.Rd2 Bb4-/+) 28...Nb4 29.Rd2 (29.Rcc7 a3-+) 29...Na2-+ 30.Nd4 Nc3 31.Ne6 fe6 32.Rc2 a3 (32...Nd5 33.Ra2-+) 33.Rc3-/+ a2 34.Rc1 a1Q 35.Ra1 Ra1 36.Kg2 Ra6 37.Kf3 Ra8 38.h4 Re8 39.Ke4 Re7 40.Rb8 Kf7 41.d4 Bg7 42.e3 h5 43.f4 Bf8 44.Ke5 Ra7 45.Rb5 Be7 46.e4?? (better 46.Ke4-/+) 46...Rd7 47.f5 (47.d5 Bf6) 47...Bf6 (47...Bd6) 48.Kf4-+ Bd4 (48...gf5 49.d5 fe4 50.de6 Ke6 51.Ke4-/+) 49.fg6 (49.fe6 Ke6 50.Kg5 Kf7-+) 49...Kg6 50.Rg5 Kh6 51.Ra5 (51.g4 hg4 52.Kg4-+) 51…Rf7 (51...Rf7 52.Rf5 ef5 53.ef5 Rg7-+) 0-1. Spiritchaser84 (2065) - mecker (2230), Rated Blitz game, lichess.org, 2014. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

7.Bg2 c6 8.Na3 cb5 9.Nb5 Nc6 10.0-0 Bg4 11.h3 Bf3 12.Bf3 Rc8 13.d3 (13.Rb1 Qd7 14.Bg2 Rfe8+=) 13...Kh8 (13...Qd7 14.g4=) 14.Rb1+= Rg8 15.Qd2 b6 (15...Qd7 16.Bg2+=) 16.Bg2 e6 17.Qf4 e5 18.Qe3 Nb4 (18...d5 19.f4 e4 20.Be5+/–) 19.a3 Nc6 20.f4 Bh6? (better is 20...Re8!?+/–) 21.Bc6+– Rc6 22.Qf3 e4 23.Qe4 Rc5 24.Qd4 Bg7 25.Qd6 (25.Nd6?! Qe7 26.f5 Rc6+–) 1–0. Salminen,Jussi – Laine,Erkki (1890), Serveri, 2007. (=1.Nf3 Nf6 2.c4 d6 3.g3 g6 4.b4 a5 5.b5 Bg7 6.Bb2 0-0)

7.Bg2 c6 8.a4 e5 9.d3 h6 10.Nbd2 Bg4 11.0-0 Qd7 12.Re1 Bh3 13.Bh1 Nh5 14.bc6 Nc6 15.Rb1 f5 16.Nh4 Kh7 17.Ba3 f4 (17...Nf6 18.Qb3 Rab8 19.Qb6=) 18.Rb3 (18.Ne4 Nb4+/-) 18...Bf6=.

8.0-0 Nb6 9.d3 Bg4 (9...Re8 10.Nbd2=) 10.Nbd2 Qd7 11.Re1 (11.Bd4 Nc8=) 11...Bh3 (11...e5 12.Qc2=) 12.Bh1 (12.Bd4 Bg2 13.Kg2 Nc8=) 12...Qg4 (12...Bg4 13.Bd4=) 13.Rc1 (13.d4=) 13...h5 (13...Nbd7!?=) 14.e4 (14.c5 Nbd5+=) 14...a4 (14...Rad8 15.e5 de5 16.Ne5 Qd1 17.Rcd1+=) 15.a3 (15.e5 de5 16.Ne5 Qd1 17.Rcd1 Rab8+=) 15...c5+/– 16.Nf1 (16.bc6 bc6 17.e5 Nh7+/–) 16...Rfb8 (16...Bf1 17.Kf1 Nfd7 18.Bg7 Kg7 19.e5=) 17.Ne3 Qd7 18.Ng5 (18.Qe2 e5+=) 18...Ne4= 19.Bg7 (19.Ne4 Bb2) 19...Ng5 20.Bb2 (20.Bc3 e5=) 20...Ne6 (20...e5 21.f4 ef4 22.gf4=) 21.Nc2 (21.d4 Re8=) 21...d5+= 22.Ne3 (22.cd5 Nd5 (22...Qb5? 23.de6 Be6 24.Be5+–) 23.d4 Qb5 24.Bd5 Qb2+=) 22...d4 23.Nd5 Nd5 (23...Qd6 24.Qe2+=) 24.Bd5 (24.cd5 Nc7=) 24...Nc7 (24...Bg4 25.Qd2+=) 25.Bh1 Bg4 26.Qd2 Qd6 27.Rc2 Bf5 28.Bc1 f6 29.Qe2 e5 30.Bg2 Qb6 31.Qd1 Qa5 32.Bd2 Qa7 33.Rb2 Qb6 34.Bc1 Ne6 35.Bd5 Kh8 36.Qd2 g5 37.Qe2 Ng7 38.Qf3 Ra7 39.Kg2 Ne8?? 40.Qf5+– (40.Qf5 Kg7 41.Qd7 Kh8 42.Qf7+–) 1–0. Gromada – Rylko, corr Poland, 1995. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 a5 5.b5 0-0 6.g3 d6 7.Bg2 Nbd7)

8.0-0 e6 9.d4 c6 (9...e5 10.de5 Ng4 11.Nc3 Nge5 12.Ne5 Ne5 13.Nd5=) 10.Nc3+= d5 (10...c5 11.Na4+=) 11.bc6 bc6 12.Rb1 Ba6 13.Nd2 (13.cd5 Nd5 14.Qd2 N7b6+=) 13...Nb6 14.Ba3 Nc4 (14...Re8!?=) 15.Bf8+= Bf8 16.e3?? (better 16.Nc4 Bc4 17.Na4+=) 16...Nd2-/+ 17.Qd2 Bf1 18.Bf1 Bb4 (18...c5 19.dc5 Bc5 20.Qb2-/+) 19.Qc2 Bc3 (19...Qd6!?-/+) 20.Qc3= Rc8 21.Ba6 Rc7 (21...Rb8 22.Rc1=) 22.Qa5 Qe7 23.Rb8 (23.Rc1 Ne4=) 23...Kg7 24.Bd3 c5 25.dc5 Qc5 26.Qc5 Rc5 27.a4 Rc1 28.Kg2 Ra1 29.Rb4 Ra2 30.Kf3 h5 31.h3 (31.Bb1 Ra1=) 31...e5 (31...Nd7 32.Bb1 Ne5 33.Kg2=) 32.e4 (32.Bb1 Ra3=) 32...d4 33.Rb5 Nd7 (33...Ra4 34.Re5 h4 35.gh4=) 34.Rd5 (34.a5 Kf6+=) 34...Ra3= 35.Ke2 Nb6 36.Re5 Na4 37.Kd2 Ra2 38.Bc2 Nc3 39.Kd3 Ne2 40.Ke2 Rc2 41.Kf3 Rc3 42.Ke2 Rc2 43.Kf3 Rc3 44.Ke2 d3 45.Ke3 Rc2 46.Rd5 Re2 47.Kf3 Rd2 48.Ke3 Re2 49.Kf3 Rb2 (49...Rd2!?=) 50.Rd3+= Rb6 51.g4 (51.Kf4 Kf6+/-) 51...Rf6 (51...hg4 52.hg4 g5 53.Rd7+=) 52.Ke3+/- h4 (52...hg4 53.hg4 Rb6 54.g5+/-) 53.f4 (53.f3 Rc6 54.Kf4 Rc1+-) 53...Ra6 (53...Rb6 54.g5+/-) 54.e5 Ra1 55.Ke4 Re1 (55...Ra4 56.Kf3 g5+/-) 56.Kd5 (56.Re3 Ra1+/-) 56...g5? (better 56...Rf1=) 57.f5+/- Re2 58.e6 (58.Rb3!? Rd2 59.Kc6+/-) 58...fe6 59.fe6 Kf6 60.Rf3 Ke7 61.Rf7 Ke8 62.Kd6 (62.Rg7 Re3+/-) 62...Rd2= 63.Ke5 Re2?? (63...Rd3+=) 64.Kd6 (better 64.Kf6 Rf2 65.Kg5+-) 64...Rd2= 65.Ke5 Re2 66.Kf6 Re3 67.Rh7 Rf3 68.Kg5 Re3 69.Kf6 Rf3 70.Kg5 (70.Kg7 Rh3 71.g5 Rb3+-) 70...Re3 71.Kf6 (better 71.Kh4 Re6 72.Kh5+-) 71...Rf3= 72.Kg5 ½-½. fireheart92 - Kanan_Qarayev02 (2785), Rated Bullet game, lichess.org, 2021. (=1.b4 A15: English Opening: 1...Nf6 1...g6 2.Bb2 Nf6 3.Nf3 Bg7 4.c4 0-0 5.g3 a5 6.b5 d6)

8.d4 e5 9.Qc2 (9.0-0 ed4 10.Nd4 Nc5=) 9...ed4 (9...e4!? 10.Nfd2 e3 11.fe3 Ng4+=) 10.Bd4 Nc5 11.Nbd2 (11.Nc3 Be6+=) 11...Bf5 12.Qd1 Qc8 13.0-0 Bh3 (13...Re8 14.Nb3+=) 14.Qc2= Re8 15.Rfe1 Bg2 16.Kg2 a4 (16...Nh5 17.e3=) 17.Rad1 b6 18.Qb2 a3 19.Qa1 Nh5 20.Bg7 Ng7 21.Nd4 Nge6 22.N2f3 Ra4 23.Rc1 Nd4 24.Qd4 (24.Nd4 Rb4 25.Qc3 Rb2=) 24...Re4 25.Qd5 Qe6 26.Qe6 fe6 (26...Ne6 27.Nd2 Rd4 28.Rc2=) 27.Nd2= Rd4 28.Rc2 Kf8 29.Kf3 Rb4 30.e3 Rd3 31.Ke2 d5 32.cd5 Rd5 (worse is 32...ed5 33.Nb1 Rc4 34.Rec1+/–) 33.Nb1 Rb5 (better is 33...Ne4!?+=) 34.Nc3+= Rb2 35.Rb2 ab2 36.Nd5 ed5 37.Kd2 Ke7 38.Kc2 Na4 39.Rd1 c5 40.f3 (40.Rd5 Nc3 41.Re5 Kf6 42.Kb2 Na4 (worse is 42...Ke5 43.Kc3 b5 44.f3+/–) 43.Ka3 Ke5 44.Ka4 Ke4=) 40...b5 41.a3 (41.Rd5?? Nc3 42.Re5 Kd6 43.Kb2 Na4 (43...Ke5 44.Kc3 g5 45.g4+–) 44.Kb3 Ke5–+) 41...Ke6 42.e4 (better is 42.Rd3 Kd6 43.f4+/–) 42...d4–/+ 43.Rd3 (43.f4 Nc3 44.Re1 b1Q 45.Rb1 Nb1 46.Kb1 Ke7+=) 43...Ke5 44.Rb3 b4 (better is 44...g5 45.h3 h5 46.Rb5 g4 47.hg4 hg4 48.fg4 Ke4–+) 45.ab4?? (better is 45.Kb1 ba3 46.Ra3=) 45...c4–+ 46.Rb2 d3 47.Kc1 Nb2 48.Kb2 Kd4 49.e5 c3 50.Kc1 d2 51.Kc2 Ke3 52.e6 Ke2 (52...Ke2 53.Kc3 d1Q–+) 0–1. Gromark,Per_Olof (2100) – Moen,Ole Christian (2230), Rijeka CRO, 2013. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6 7.Bg2 Nbd7)

9.Nc3 Nc5 10.Na4 Na4 11.Qa4 b6? (better 11...Re8=) 12.Ne5+- Rb8?? (better 12...Bh3 13.Bh3 de5+-) 13.Nc6 Qe8 14.Nb8 Bg4 (14...Qe2 15.Na6+-) 15.Nc6 Qe2 16.Bf6 (16.Rae1 Qd2 17.Bc1 Bd1 18.Rd1 Qc3+-) 16...Bf6 17.Rae1 (better 17.d4 Re8+-) 17...Qd2 18.h3 (18.Re3!? Be2 19.Rb1 Bg5+-) 18...Be2 19.Re2! Qe2 20.Qd1 (better 20.Qb3!? Re8+-) 20...Qa2 21.Re1 (21.Qg4 a4 22.Nb4 Qb2+-) 21...Qc4+/- 22.Qf3 Bg7 (better 22...Kg7!? 23.Bf1 Qc2+/-) 23.Bf1+- Qc5 24.Re7 a4 (24...f5 25.Rc7 Kh8 26.Qf4+-) 25.Rc7 a3 (25...Kh8 26.Ra7+-) 26.Ra7 (better 26.Ne7 Kh8 27.Rc5 bc5 28.Qa3+-) 26...Qc1? (better 26...Bb2+-) 27.Qa3 Qa3 28.Ra3 Re8 29.Rd3 (29.Ra6 Re1+-) 29...Re1 (29...Bf8 30.Rf3 Re1 31.Ra3+-) 30.Kg2 (30.Rd6 Bf8 31.Rd7 Bc5+-) 30...Bb2 (30...Bf8 31.Nb8 Re6 32.Nd7+-) 31.Rd6 Ba3 32.Rd8 Kg7 33.Rb8 (33.Rd7 Rc1+-) 33...Bc5 34.Rd8 (better 34.Rb7!? Rc1 35.Ne5 Kf6 36.Nd7 Ke6 37.Nb6 Rc2 38.Bc4 Ke5 39.Nd7 Kd6 40.Nc5 Rc4+-) 34...Rb1?? (34...Ba3 35.Rd7 Bc5+-) 35.Rd2 Rb3 36.h4 Rc3 37.Bd3 (37.Ne5 f5+-) 37...Ra3 38.Ne5 Bd4 39.Nd7 Bc3 40.Rc2 Bd4 41.Be4 Bc5 (41...Ra7 42.Nb8+-) 42.Bf3 (better 42.Nc5 bc5 43.b6 Rb3+-) 42...Bd4 43.Rd2 Ba1 (43...Ra4+-) 44.Nb6 Rb3 45.Nd5 (better 45.Be2 h5+-) 45...Rb5 46.Ra2 (46.Nc7 Re5+-) 46...Be5 47.Nc3 (better 47.Re2 Bd4 48.g4+-) 47...Bc3= 48.Rc2 Rc5 49.Re2 Bd4 50.h5 Bf6 51.hg6 hg6 52.Re4 Re5 53.Re2 Re7 54.Re7 Be7 55.g4 Bf6 56.Kg3 Be7 57.Be4 g5 58.f3 f6 59.Bf5 Bd6 60.Kf2 Be5 61.Ke2 Bf4 62.Kd3 Kf8 63.Ke4 Ke7 64.Be6?? (64.Kd5 Be5=) 64...Kd6 (better 64...Ke6 65.Kd4 Be5 66.Ke4 f5 67.gf5 Kf6-+) 65.Bf5 Ke7 66.Bg6 Kd6 67.Bh7 Ke7 68.Bg8 Kf8 69.Bf7?? (69.Bc4 Be5=) 69...Kg7 (69...Kf7 70.Kd5-+) 70.Bg6?? (better 70.Bd5=) 70...Kg6-+ 71.Kd5 Kg7 72.Ke6 Kg6 73.Ke7?? (73.Kd5 Kf7-+) 73...Kg7 74.Ke6 Kg8 (74...Be5 75.Ke7-+) 75.Kf5 (75.Kf6 Kf8-+) 75...Kf8 (75...Kf7 76.Ke4-+) 76.Kg6 (76.Kf6 Ke8 77.Ke6-+) 76...Ke7 77.Kf5 Be5 78.Ke4 Bf4 (78...Bf4 79.Kf5 Kd6-+) 0-1. Spiritchaser84 (2585) - Zutano (2605), Rated bullet game, lichess.org, 2020. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7= 4.Bb2 0-0 5.g3 a5 6.b5 d6)

9.Nc3 Nc5 10.d4 ed4 11.Nd4 a4 12.Rc1 Re8 13.e3 a3 14.Ba1 Nfd7 15.Nd5 Ne5 (16.b6 c6+–). Harm,J – Motes, corr SOK–88–17, 1988.

9.Nc3 Nc5 10.d4 ed4 11.Nd4 Bd7 12.Qc2 Qc8 13.Rfe1 Re8 14.e3 Bg4 15.Rac1 h5 (15...Bh3 16.Bh1=) 16.Nd5+= Nd5 17.Bd5 Be6 18.Ne6 Ne6 19.Ba3 c6 20.Bg2 Qc7 21.Red1 Rad8 22.bc6 bc6 23.Qa4 c5 24.Rb1 Bc3 25.Qc2 Bf6 26.Rb7 Qc8 27.Ra7 Ng5 28.h4 Ne6 29.Rb1 Nc7 30.Rbb7 Re7 31.Qa4 (31.Qd2 Kf8+–) 31...Kf8 (31...Bc3 32.Qc6 Rdd7 33.Qb6+–) 32.Qa5 Ne6? (32...Ne8 33.Bb2 Rdd7 34.Rd7 Rd7 35.Ra8 Qa8 36.Qa8 Bb2 37.Bc6+–) 33.Re7 (better is 33.Bb2 Bh4 34.gh4 Rb7 35.Bb7+–) 33...Be7 34.Bb2 1–0. Pithart,Frantisek – Pavlik,Samuel, CSR–ch sf Jablonec nad Nisou, 1954. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

9.Nc3 Re8 10.Qc2 Nc5 11.e4 Be6 12.d3 Nfd7 13.Rad1 c6 14.bc6 bc6 15.Ne2 Qc7 16.Ng5 Rab8 17.Ne6 Ne6 18.Bc3 Nd4 19.Nd4 ed4 20.Bd2 Nc5 21.Rb1 Bf6 22.Rfc1 Kg7 23.Bf3 h5 24.h4 Be5 25.Bd1 Rh8 26.Rb8 Rb8 27.f4 Bf6 28.Rb1 Rb1 29.Qb1 Bd8 30.Qb2 Bf6 31.Qb1 Bd8 32.Be1 Bf6 33.Bf2 Nd7 34.Qb2 Qb6 35.Qb6+/– Nb6 36.Be1 a4 37.Ba5 Bd8 38.Bb6 Bb6 39.Ba4 c5 40.Kf2 Ba5 41.Bd7 Kf6 42.Bh3 Bb4 43.a4 Ba5 44.Kf3 Bc7 45.e5 de5+= 46.Ke4 ef4 47.gf4 Ke7 48.Kd5+/– Bf4 49.a5 Kd8? 50.Kc6+– f5 51.Kb7 (51.Kc5?! Kc7+/–) 1–0. Sigurjonsson,Johann Oern – Sigurjonsson,Bjorn, ISL–ch Reykjavik, 1969. (=1.Nf3 Nf6 2.g3 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.c4 d6)

9.d3 a4 10.a3 Nc5 11.Nbd2 Bd7 12.Qc2 c6 13.Rab1 (13.d4 ed4 14.Nd4 Rc8=) 13...Rc8 (13...cb5 14.cb5 Rc8 15.Qd1=) 14.bc6 Bc6 15.Bc3 Nfd7 16.Ne1 Bg2 17.Ng2 f5 18.Ne3 f4 (18...h6 19.f4=) 19.Nd5+= h5 (19...Rf7 20.e3+=) 20.Rb5 (better 20.gf4!? Nf6 21.Nb6+-) 20...fg3+= 21.hg3 h4 (21...Qg5 22.Nf3 Qd8 23.Ba5+/-) 22.Kg2 (22.Ba5!? Qe8 23.gh4+=) 22...hg3= 23.fg3 (23.Kg3?? Qg5 24.Kh2 Kf7 25.Nf4 Qf4 26.Kh1 Rh8 27.Kg1 Qh2) 23...Rf1 24.Nf1 Qf8 25.Nfe3 Qf7 26.Rb1 Qe6 27.Rf1 Nb3 28.Rf2 Nd4 (better 28...b5=) 29.Bd4?? (better 29.Qa4 Nc5 30.Qb4+/-) 29...ed4-+ 30.Nf1? (better 30.Nf4 Qe3 31.Qa4-+) 30...Qe5?? (30...Qd5 31.e4 (31.cd5?? Rc2 32.e3 Rc3-+) 31...Qa5 32.Qb1-+) 31.Nd2?? (31.Qa4 Nc5 32.Qa5 Rf8+/-) 31...Nc5 (better 31...Qd5! 32.cd5 Rc2-+) 32.Nf3+/- Qe8 33.Qd2 Ne6 34.Ng5 (better 34.e4+/-) 34...Bh6?? (34...Nc7 35.Nf6 Bf6 36.Rf6 b5+/-) 35.Nf6+- Kh8 (35...Kg7 36.Ne8 Re8 37.Ne6 Re6 38.Qb2+-) 36.Ne8 (36.Nf7! Kg7 37.Qh6 Kf7 38.Qh7 Ng7 39.Ne8 Ke7 40.Qg7 Kd8 41.Nd6 Rc4 42.Rf8) 36...Bg5+- 37.Nd6 (better 37.Qb4 Re8 38.Qb7+-) 37...Bd2 38.Nc8 Bc1 (38...Nc5 39.Rf1+-) 39.Nb6 (39.Rf6 Nc5 40.Rg6 Ba3+-) 39...Nc5 40.Rf8 Kg7 41.Ra8 Ba3 42.Na4 Ne6 (42...Na4 43.Ra4 Bc5 44.Ra8+-) 43.Ra7 (43.Rb8 Kf6+-) 43...Nd8 44.Ra8 Ne6 45.Nb6 (45.Rb8 Kf6+-) 45...Bc5 46.Nd5 b6 (46...Bd6 47.Kf3+-) 47.Kf3 Ng5 48.Kg4 Nf7 49.Ra7 Kf8 50.Rb7 (50.Ra6 Ke8+-) 50...Ke8 (50...Nd6 51.Rc7 Nf5 52.Rd7+-) 51.Nb6 Ne5 52.Kh3 Nc6 (52...Bd6 53.Nd5+-) 53.Nd5 (53.Rc7 Bb6 54.Rc6 Ba5+-) 53...Ne5 54.Rb5 Bd6 55.Nf6 (better 55.Nf4 Nc6+-) 55...Kf7 (55...Ke7 56.Ne4 Bc7+-) 56.Ne4 Be7 (56...Nc4 57.dc4 Ba3 58.Ng5 Kf6 59.Nf3+-) 57.Re5 Bf8 (57...Ke8 58.c5 Kd8 59.Rd5 Kc7 60.Rd4+-) 58.Rd5 Ke6 (58...Ke8 59.c5 Bg7 60.c6+-) 59.Rd4 Be7 60.Rd5 (60.c5 Ke5 61.c6 Kd4+-) 60...g5 (60...Bb4 61.d4+-) 61.Rg5 (61.d4 Kf7+-) 61...Kf7 62.Kg4 (62.Rf5 Ke6 63.g4 Ba3+-) 62...Bb4 63.Kf5 Be1 64.Rg4 (64.c5 Ba5 65.d4 Bd8+-) 64...Bb4 65.c5 Ba5 66.Nd6 Ke7 67.Rg7 Kd8 (67...Kf8 68.Kg6 Bc3 69.Rf7 Kg8 70.Re7 Bg7 71.Re8 Bf8 72.d4 Kh8 73.Rf8) 68.Ke6 Bc3 69.Rd7 1-0. Itkis,B (2325) - Gubajdullin,A (2300), Titled Tue (1), 2023. (=1.c4 A15: English Opening: 1...Nf6 1...Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

9.d3 Nc5 10.Nbd2 a4 11.a3 Nfd7 12.d4 e4 13.Nh4 e3 14.fe3 Qg5 15.Rf3 Re8 16.Qc2 Ne6 17.Ne4 Qe7 18.Raf1 f5 19.Nc3 Bh6 20.Nd5 Qd8 21.e4 c6 22.bc6 bc6 23.Nb4 fe4 24.Nc6 Qb6 25.Qe4 Bb7 26.Rf6 Nf6 27.Rf6 Bc6 28.Qc6 Be3 29.Kf1 Qb2 30.Bd5 Qa1 31.Kg2 Qg1 32.Kf3 Qf2 33.Ke4 Kg7 34.Re6 Re6 35.Be6 Qf8 36.Qd7 Kh8 37.Ke3 Re8 38.Kd3 Qf6 39.d5 Re7 40.Qd8 Kg7 41.Nf3 Re6 42.de6 Qd8 43.Nd4 Qf6 44.e4 Qe5 45.c5 dc5 46.Nf3 Qe6 47.Ng5 Qb3 48.Ke2 Qb2 49.Ke3 Qa3 50.Kf4 Qb4 51.Ne6 Kf6 52.Ng5 h6 53.Nh7 Kg7 54.Nf8 Qd2 55.Ke5 Qd6 0–1. artchess (1675) – ardetroya (1670), kurnik, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 d6 5.g3 a5 6.b5 0-0 7.Bg2 Nbd7)

9.d3 Re8 10.Na3 Nc5 11.Rb1 c6 (11...Bf5!?=) 12.bc6 bc6 13.Ba1 (13.d4 ed4 14.Nd4 Bb7+=) 13...Nfd7 (13...Qc7 14.d4 ed4 15.Nd4=) 14.Nd2 (better 14.d4 Nb7 15.Nd2=) 14...Qc7 (14...Ra6 15.f4=) 15.Qc2 (better 15.Nb5!? cb5 16.Ba8+/-) 15...Nf6 16.e3 Be6 17.d4? (better 17.f4!?=) 17...ed4-/+ 18.ed4 (better 18.Bd4 Bf5 19.Qc3 Bb1 20.Nab1-+) 18...Ncd7 (18...Bf5 19.Qc3 Bb1 20.Rb1-+) 19.Rfc1? (better 19.Rbe1!?=) 19...Bf5-/+ 20.Qd1 Bb1 21.Rb1 Rab8 (21...d5 22.Bc3-+) 22.Rc1 c5 (22...Nb6 23.Bc3-+) 23.Nb5-/+ Qb6 24.Nf3 (24.Rb1 Re6-/+) 24...Ng4 (24...Ne4 25.Rb1-+) 25.h3 Ngf6 26.dc5 dc5 27.Nd6 (27.Bc3 Qd8-/+) 27...Re6-+ 28.Nb5 Rd8 29.Ng5 Ree8 30.Qf3? (better 30.Rb1 Ne5 31.Qa4-/+) 30...h6 31.h4 (31.Bf6 Nf6 (31...Qf6?! 32.Qf6 Nf6 33.Nf3-+; 31...Bf6?! 32.Ne4-+; 31...hg5 32.Bd8 Rd8 33.Qe3+=) 32.Qc6 Qc6 33.Bc6 hg5 34.Be8 Re8-+) 31...hg5 32.hg5 Ne4 33.Qf4 Ba1 34.Be4 (34.Ra1 Qb8-+) 34...Bd4 35.Bd5 Re7 36.Kg2 Be5 37.Qg4 Nf8 38.Rb1 Bd4 (38...Ne6 39.Nc3 Qa7 40.Ne4-+) 39.Qf3 Be5 40.Qd3?? (40.Qg4 Ne6 41.Rh1-+) 40...Qb8 (40...Rdd7 41.Qa3-+) 41.Nc3 (41.Qa3 Qc8-+) 41...Qc8 (41...Qa7 42.Rb5-+) 42.Ne4 Qf5 0-1. Spiritchaser84 (2500) - repertorio23 (2540), Rated bullet game, lichess.org, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

9.d4 =.

9.e3 Nc5 10.d4 ed4 11.ed4 Ne6 12.Re1 Rb8 (12...Re8 13.Qa4=) 13.a4 (13.Qa4 Ra8+=) 13...b6 14.Nc3 h6 15.Qd3 Ng5 (15...Bb7 16.Rad1+=) 16.Nh4 (16.Ng5 hg5 17.Re2 Re8+/-) 16...Be6 17.f4 (better 17.Qf1 Bg4 18.h3+=) 17...Ngh7? (better 17...Nh3!? 18.Kf1 Nh5+=) 18.f5 (18.Ng6 Re8 19.Nh4 Qc8+-) 18...gf5 19.Nf5 Qd7 20.Rf1 Bf5 21.Rf5 Rbe8 22.Raf1 Ng4 (better 22...Re7+-) 23.Bc6 Qe7 24.Be8 Qe8? (24...Re8 25.Bc1 Ng5+-) 25.Nd5 Ng5 (25...Qe6 26.Qf3 h5+-) 26.Qd1 (better 26.Kg2+-) 26...Ne3+= 27.Ne3 (27.Nc7 Qe4 28.Qf3 Nf3 (28...Qf3?! 29.R5f3 Nf3 30.Rf3=) 29.R5f3 Nf1 30.Rf1 Rc8-+) 27...Qe3 28.Kg2 (28.R5f2 Nh3 29.Kg2 Nf2 30.Rf2 Qe6=) 28...Qe4= 29.Kg1?? (better 29.R5f3 Nf3 30.Rf3=) 29…Nh3 0-1. Spiritchaser84 (2080) - jaier (2070), Rated Bullet game, lichess.org, 2014. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 a5 5.b5 0-0 6.g3 d6)

10.Qc2 A) 10...Nc5 A1) 11.Nfd2 Ne6 (11...e4 12.de4 a4 13.a3 Nfe4 14.Bg7 Nd2 15.Nd2 Kg7) 12.e3 a4 13.Nc3 a3 14.Bc1 Nc5 15.Nb3 Bf5; A2) 11.Nbd2 Qe7 (11...Bg4 12.h3 Bd7 13.Ng5 Qb8 14.Bc3 a4 15.h4 Qa7) 12.Ng5 Bf5 13.Rad1 e4 14.de4 Nfe4 15.Nge4 Bb2; A3) 11.Nc3 Bf5 (11...Qe7 12.Nd2 Bf5 13.Nb3 Nb3 14.ab3 e4 15.Qd2 Qd7) 12.Nd2 Qe7 13.Nb3 Nb3 14.ab3 e4 15.Qd2 Qd7; B) 10...Qe7 B1) 11.Nfd2 Nc5 (11...Ra7 12.Nc3 Nc5 13.Nde4 Nce4 14.Ne4 Bf5 15.Nf6 Bf6) 12.Nc3 Bf5 13.Nb3 Nb3 14.ab3 e4 15.Qd2 Qd7; B2) 11.Nbd2 Nc5 (11...Bh6 12.Bc3 a4 13.Ne4 Ne4 14.de4 Nc5 15.Bb4 Bg4) 12.Ng5 Bf5 13.Rab1 e4 14.Nde4 Nce4 15.Be4 Ne4; B3) 11.Nc3 Nc5 (11...e4 12.de4 Nc5 13.Nd2 Bd7 14.Ba3 Rad8 15.Bc5 dc5) 12.Nd2 Bf5 13.Nb3 Nb3 14.ab3 e4 15.Qd2 Qd7; C) 10...e4 C1) 11.Nd4 ed3 (11...Nc5 12.Nc3 ed3 13.ed3 a4 14.Rae1 Bg4 15.Nd5 Nd5) 12.ed3 Nc5 13.Nd2 Ng4 14.Rae1 Ne5 15.Re3 Bd7; C2) 11.Nh4 Nc5 (11...ed3 12.ed3 Nc5 13.d4 Ne6 14.Nf3 c5 15.Nbd2 Ng4) 12.de4 Nfe4 13.Bg7 Kg7 14.Nd2 Nd2 15.Qd2 Qf6; C3) 11.de4 Ne4 (11...Nc5 12.Nbd2 Nfe4 13.Bg7 Kg7 14.Ne4 Ne4 15.Nd4 Qf6) 12.Bg7 Kg7 13.Nbd2 Nec5 14.Nd4 Nf6 15.a4 Qe7; D) 10...a4 D1) 11.Nbd2 Nc5 (11...Ra7 12.Ng5 Nc5 13.Bc3 Bf5 14.Nde4 Nfe4 15.Ne4 Ne4) 12.Ng5 Bf5 13.Rad1 Qd7 14.Bc3 d5 15.cd5 Nd5; D2) 11.Ng5 h6 (11...Nc5 12.Nd2 Bf5 13.Rad1 Qe7 14.Bc3 Bg4 15.Rfe1 Bh6) 12.Ne4 Ne4 13.Be4 Nc5 14.Nd2 Bg4 15.Rfe1 a3; D3) 11.Nc3 a3 (11...Nc5 12.Nd2 a3 13.Bc1 Bf5 14.Nb3 Ra7 15.Be3 Qe7) 12.Bc1 e4 13.Nh4 Nc5 14.d4 Ne6 15.Rd1 Ng4.

10.Nc3 A) 10...Bh6 A1) 11.Re1 Nc5 (11...Qe7 12.e3 Nb6 13.Nd2 Bg4 14.Qb3 Ra7 15.Nde4 Ne4) 12.d4 ed4 13.Nd4 Bg7 14.e4 a4 15.Ba3 Ne6; A2) 11.e3 Nc5 (11...Qe7 12.Re1 Nb6 13.Nd2 Bg4 14.Qb3 Nfd7 15.Qc2 Ra7) 12.Na4 Na4 13.Qa4 e4 14.Nd4 Qe7 15.Rad1 ed3; A3) 11.Nd2 a4 (11...Ra7 12.Nde4 Ne4 13.Ne4 Nc5 14.Qc2 Bf5 15.Rad1 a4) 12.Nde4 a3 13.Bc1 Bc1 14.Rc1 Nc5 15.Qd2 Nfe4; B) 10...Rb8 B1) 11.Ng5 Nc5 (11...h6 12.Nge4 Nc5 13.Nc5 dc5 14.Ne4 b6 15.Qc2 Bb7) 12.Qd2 Bh6 13.h4 Be6 14.Ne6 Bd2 15.Nd8 Rbd8; B2) 11.Qd2 Nc5 (11...Ra8 12.Ng5 Nc5 13.Nce4 Nfe4 14.Ne4 Na4 15.Ba3 Qe7) 12.Ng5 Bf5 13.Nge4 Nfe4 14.Ne4 Ne4 15.Be4 Be4; B3) 11.Nd2 b6 (11...Nc5 12.Nb3 b6 13.Nc5 dc5 14.Qb3 Bb7 15.Bb7 Rb7) 12.Nde4 Nc5 13.Nc5 dc5 14.Qd2 e4 15.Nd5 Nd5; C) 10...Qe7 C1) 11.Ng5 Nc5 (11...Bh6 12.Nge4 Ne4 13.Ne4 Nb6 14.Qc2 d5 15.cd5 Nd5) 12.Nge4 Nfe4 13.Ne4 Ra7 14.Qd2 Na4 15.Ba3 Bf5; C2) 11.Qd2 Nc5 (11...a4 12.Ba3 h6 13.Nh4 Nc5 14.Nd5 Nd5 15.Bd5 Be6) 12.Ng5 Bh6 13.h4 Bd7 14.d4 ed4 15.Qd4 Qe5; C3) 11.Nd2 Nc5 (11...Nb6 12.Nde4 Ne4 13.Be4 Rb8 14.Qd2 Bg4 15.a4 Qf6) 12.Nde4 Nfe4 13.Ne4 Ra7 14.Qd2 Na4 15.Ba3 Bf5; D) 10...Nc5 D1) 11.Nd2 Bf5 (11...Ra7 12.Nb3 Bf5 13.Nc5 dc5 14.b6 Ra6 15.bc7 Qc7) 12.Qc2 Qe7 13.Nb3 Nb3 14.ab3 e4 15.Qd2 Qd7; D2) 11.d4 ed4 (11...Ncd7 12.de5 Ne5 13.Ne5 Re5 14.Qd2 Rh5 15.Bf3 Rc5) 12.Nd4 a4 13.a3 Bg4 14.Qc2 Qd7 15.Rfe1 Bh3; D3) 11.Ng5 Bf5 (11...Bg4 12.Nge4 Nfe4 13.Ne4 Ne6 14.Nc3 Nc5 15.Qd2 Qd7) 12.Qd2 a4 13.Nd5 h6 14.Nf6 Qf6 15.Ne4 Ne4.

10.Nbd2 A) 10...h6 A1) 11.Bc3 a4 (11...Nc5 12.Nb3 e4 13.Ne1 Bf5 14.d4 Na4 15.Ba5 d5) 12.d4 ed4 13.Nd4 Nc5 14.Rb1 Bg4 15.h3 Bd7; A2) 11.Re1 Nc5 (11...a4 12.Nf1 Nc5 13.Ne3 Ng4 14.Qd2 Ne3 15.fe3 e4) 12.Qc2 Bg4 13.Nb3 Na4 14.Bc1 c6 15.bc6 bc6; A3) 11.Qc2 Qe7 (11...Nc5 12.Nb3 e4 13.Nfd4 a4 14.Nd2 e3 15.fe3 Ng4) 12.Bc3 a4 13.Bh3 Nc5 14.Bc8 Rac8 15.Ne4 Nce4; B) 10...Bh6 B1) 11.e3 Nc5 (11...a4 12.Bc3 Nc5 13.d4 Nce4 14.Ne4 Ne4 15.Bb4 ed4) 12.Nb3 Na4 13.Ba3 Bg4 14.Qd2 c6 15.h3 Bc8; B2) 11.a4 Nc5 (11...Qe7 12.Bc3 d5 13.cd5 Nd5 14.Bb2 Bg7 15.Nc4 e4) 12.Re1 Bf5 13.Nb3 Nb3 14.Qb3 Nd7 15.e4 Bg4; B3) 11.Qc2 Nc5 (11...Qe7 12.Bc3 a4 13.Rfb1 Nc5 14.b6 c6 15.Ne4 Nfe4) 12.Nb3 Na4 13.Bc1 Bc1 14.Rac1 Bg4 15.Ng5 h6; C) 10...Ra7 C1) 11.Ng5 Nc5 (11...Qe7 12.Bc3 Ng4 13.h4 Bh6 14.Bf3 Bg5 15.Bg4 Bh6) 12.Bc3 Bh6 13.Nde4 Nfe4 14.Ne4 Bf5 15.Rb1 a4; C2) 11.Qc2 Nc5 (11...Qe7 12.Bc3 Nb6 13.a4 e4 14.Ne4 Ne4 15.Bg7 Ng3) 12.Bc3 Bg4 13.Nb3 e4 14.Nc5 ef3 15.ef3 dc5; C3) 11.Bc3 Nc5 (11...a4 12.Ng5 h6 13.Nge4 Ne4 14.Ne4 f5 15.Nd2 Nc5) 12.Ng5 a4 13.Nde4 Nfe4 14.Ne4 Bf5 15.Rb1 a3; D) 10...Nc5 D1) 11.Bc3 e4 (11...Bh6 12.a4 e4 13.de4 Bg4 14.Bb2 Nfe4 15.Ne4 Re4) 12.de4 Nfe4 13.Ne4 Ne4 14.Bg7 Kg7 15.Nd4 Qf6; D2) 11.Qc2 Bg4 (11...Qe7 12.Ng5 Bf5 13.Nb3 e4 14.Nc5 dc5 15.Bc3 ed3) 12.h3 Bd7 13.Ng5 Ra7 14.Bc3 h6 15.Nge4 Nfe4; D3) 11.Ng5 Bf5 (11...Bd7 12.Qc2 c6 13.bc6 Bc6 14.Bc3 d5 15.Nb3 Na4) 12.Nde4 Nfe4 13.Ne4 Ne4 14.Be4 Qc8 15.Bg2 Bh3.

10.Nfd2 a4 A) 11.Qc2 Nc5 (11...Ra7 12.Nc3 Nc5 13.Nde4 Nce4 14.Ne4 Bf5 15.Nf6 Bf6) 12.Nc3 Bg4 13.Ba3 Ra7 14.Nde4 Nfe4 15.Ne4 Ne4; B) 11.a3 Nc5 (11...Qe7 12.Nc3 Nc5 13.Nde4 Nfe4 14.Ne4 Nb3 15.Ra2 Bg4) 12.Nc3 Bg4 13.Nde4 Nfe4 14.Ne4 Nb3 15.Rb1 Nd4; C) 11.Nc3 e4 (11...a3 12.Bc1 Nc5 13.Nde4 Nfe4 14.Ne4 Ne6 15.Rb1 f5) 12.d4 Nb6 13.Nde4 Nc4 14.Bc1 d5 15.Nc5 Ne4.

10.Nfd2 Ra7 A) 11.Nc3 Nc5 (11...Nb6 12.Qc2 Be6 13.a4 d5 14.c5 Nbd7 15.c6 bc6) 12.Nb3 Ne6 13.a4 b6 14.Qd2 Bb7 15.Bb7 Rb7; B) 11.Re1 a4 (11...Nc5 12.Nc3 a4 13.Nce4 a3 14.Bc3 Bg4 15.Qc2 Qe7) 12.Nc3 Nc5 13.Nce4 Bf5 14.Nc5 dc5 15.Qc2 Qe7; C) 11.Qc2 Nc5 (11...a4 12.Nc3 Nc5 13.Nde4 Nce4 14.Ne4 Bf5 15.Nf6 Bf6) 12.Nc3 Bf5 13.Nb3 Qe7 14.Nc5 dc5 15.Rad1 Rd8.

10.Nfd2 Nc5 11.a4 (11.Nc3 Bf5= (11...Be6 12.Nb3 Nfd7 13.Qc2 a4 14.Nc5 Nc5 15.Ne4 Ne4) 12.a4 Qd7 13.Nb3 Nb3 14.Qb3 e4 15.Rfe1 Rad8; 11.Qc2 a4 (11...Ne6 12.e3 a4 13.Nc3 a3 14.Bc1 Nc5 15.Nb3 Bf5) 12.Nc3 a3 13.Bc1 Bf5 14.Nb3 e4 15.Nc5 dc5; 11.Qc1 a4 (11...Bf5 12.Nc3 Qd7 13.Qc2 Ra7 14.Nde4 Nfe4 15.Ne4 Ne4) 12.Nc3 Bg4 13.f3 Bf5 14.Nde4 Be6 15.Rb1 Nce4) 11...Bg4 (11...Bf5 12.Nc3 Rb8 13.Nb3 Nb3 14.Qb3 e4 15.d4 Qd7) 12.f3 (12.h3 Be6+= 13.Nc3 Qd7 14.Nde4 Nfe4 15.Ne4 Ne4) 12...Be6 13.Nb3 Nfd7 (13...Bh6 14.f4 Ng4 15.Nc5 dc5) 14.N1d2 (14.Nc3 c6 15.Rb1 Bh6) 14...Qg5 (14...Bh6 15.f4+= (15.Bc3 Be3) 15...ef4; 14...c6 15.Rf2 Qb6) 15.Rf2 (15.Bc3 Nb3) 15...f5 16.Nc5 Nc5 17.Nb3 Nb3 (17...f4 18.Nc5 dc5 19.Qc1+=) 18.Qb3 (18.f4 ef4 19.gf4 Qd8 (worse is 19...Na1 20.fg5 Bb2 21.Bb7+/–) 20.Qb3 Bb2 21.Qb2 d5=) 18...f4 19.g4 (19.Bc1 Rf8+=) 19...Red8 20.Rc1 c5 21.Bc3 (21.bc6 bc6 22.Bc3 Rdb8–/+) 21...b6 22.Rff1 Qe7 23.Be1 Bf6 24.Bf2 d5 25.e4 (25.cd5 Bd5 26.Qa3 Rd7–/+) 25...dc4 26.dc4 Ra7 (26...Bh4 27.Bh4 Qh4 28.Rfd1–/+) 27.Rfd1 Rad7 28.Bf1 (28.Rd7 Qd7 29.Bf1 Qd2–/+) 28...Bh4 29.Bh4 Qh4 30.Rd7 Rd7 31.Rd1 Rd4 32.Rd4–/+ ed4 33.Qc2 Qe1 34.Kg2 Kg7 35.Bd3 Kf6 36.Qf2 Qf2 37.Kf2 Kg5 38.Kg2 Kh4 39.Bf1 Kg5 40.Bd3 Kf6 41.h4 Ke5+= 42.Kf2 ½–½. Crockett,Mike – Braunlich,T (2200), OCF Winter NAO FIDE Op, Stillwater USA, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 d6 6.g3 0-0 7.Bg2 Nbd7)

10.Nfd2 Qe7 A) 11.a4 Nc5 (11...Ra7 12.Nc3 Nc5 13.Nde4 Nfe4 14.Ne4 Bf5 15.Bc3 b6) 12.Nc3 Bf5 13.Nde4 Nce4 14.Ne4 Ne4 15.Be4 Be4; B) 11.Qc2 Nc5 (11...Ra7 12.Nc3 Nc5 13.Nde4 Nce4 14.Ne4 Bf5 15.Nf6 Bf6) 12.Nc3 Bf5 13.Nb3 Nb3 14.ab3 e4 15.Qd2 Qd7; C) 11.Nc3 Nc5 (11...Nb6 12.Nde4 Ne4 13.Be4 Ra7 14.Qd2 a4 15.a3 Bf6) 12.Nde4 Nfe4 13.Ne4 Ra7 14.Qd2 Na4 15.Ba3 Be6.

10.d4 A) 10...a4 A1) 11.Qc2 ed4 (11...e4 12.Ng5 e3 13.fe3 Qe7 14.Bc1 h6 15.Nh3 Nb6) 12.Nd4 Nc5 13.Nd2 Qe7 14.e3 Bd7 15.Bc3 Nfe4; A2) 11.de5 Ng4 (11...de5 12.Qc2 e4 13.Nd4 Qe7 14.Rd1 e3 15.f4 a3) 12.Nbd2 a3 13.Bd4 de5 14.Bc3 e4 15.Nd4 e3; A3) 11.Nbd2 ed4 (11...a3 12.Bc3 ed4 13.Nd4 Nc5 14.Qc2 Qe7 15.e3 Bg4) 12.Nd4 Nc5 13.Bc3 Qe7 14.e3 Bg4 15.Bf3 Bh3; B) 10...e4 B1) 11.Nfd2 e3 (11...Nb6 12.Nc3 Bf5 13.e3 a4 14.Ba3 Qd7 15.Qc2 Qe6) 12.fe3 Ng4 13.e4 Ne3 14.Qc1 Nf1 15.Nf1 Nb6; B2) 11.Ne1 Nb6 (11...d5 12.c5 e3 13.f3 Nf8 14.Qa4 Ne6 15.Nc3 Ng5) 12.Na3 Bf5 13.d5 Ng4 14.Bg7 Kg7 15.Nec2 Qf6; B3) 11.Ng5 d5 (11...e3 12.fe3 h6 13.Nf7 Kf7 14.Qd3 Kg8 15.Nd2 Kh7) 12.cd5 h6 13.Nh3 Nb6 14.Nc3 Nfd5 15.Nd5 Nd5; C) 10...Qe7 C1) 11.e3 ed4 (11...e4 12.Nfd2 Nb6 13.Nc3 Bf5 14.Qc2 a4 15.Ba3 Qe6) 12.Nd4 a4 13.a3 Nc5 14.Nc3 Be6 15.Qe2 Bg4; C2) 11.de5 de5 (11...Ne5 12.Ne5 de5 13.Nc3 a4 14.Nd5 Nd5 15.Bd5 Rd8) 12.Ba3 Nc5 13.Nc3 e4 14.Nd4 Qe5 15.Nb3 Ne6; C3) 11.Nc3 Nb6 (11...ed4 12.Nd4 Nb6 13.Qb3 a4 14.Qb4 Ng4 15.Nd5 Nd5) 12.Qb3 Ng4 13.de5 Ne5 14.Nd5 Nd5 15.cd5 Bg4; D) 10...ed4 D1) 11.Bd4 Ne4 (11...Nc5 12.Nc3 Bg4 13.Qc2 Bf5 14.Qb2 Ne6 15.Rfd1 Qe7) 12.Qc2 Ndc5 13.Nc3 Bf5 14.Qb2 Nc3 15.Qc3 Ne4; D2) 11.Qc2 Ng4 (11...Nc5 12.Nd4 a4 13.Nd2 Qe7 14.e3 Nfe4 15.Ne4 Ne4) 12.Nd4 Qe7 13.Qc3 Nb6 14.a4 Qe5 15.h3 Nh6; D3) 11.Nd4 a4 (11...Nc5 12.Nc3 a4 13.Ba3 Bg4 14.f3 Bd7 15.e4 Qe7) 12.Qc2 Nc5 13.Nd2 Qe7 14.e3 Bd7 15.Bc3 Nfe4.

8.0-0 Be6 9.d3 Qc8 10.Re1 Bh3 11.Bh1 h6 12.Nbd2 Nbd7 13.Qc2 a4 14.d4 ed4 15.Bd4 Nc5 16.e4 Nfd7 (16...Ne6 17.Bb2=) 17.Bg7+= Kg7 18.Qc3 (18.e5 Bf5 19.Qc3 de5 20.Ne5 f6+=) 18...f6= 19.Nd4 Qe8 20.Bg2 Bg2 21.Kg2 Qf7 22.f4 Rae8 23.Re3 Re7 24.Rae1 Rfe8 25.g4 Kh7 26.h3 Ne6 27.Kg3 Nd4 28.Qd4 g5 29.Rf3 Qg6 30.Ref1 gf4 31.Rf4 Re5 32.Qf2 R8e6= 33.Rf5 Kg7 34.Nf3 Re4+= 35.Nh4 Re3 36.Kh2 Qe8 37.Kg1 Re2 38.Qd4 R6e4–+ 39.Qa1 Qe6 40.R5f2 Rf2 41.Kf2 Qc4 42.Nf5 Kg6 43.Kg3 Ne5 44.Qb1? Qc3 45.Kh2 Re2 46.Kg1 Qc5 47.Nd4 Kg7 48.Rd1 Nf3 49.Kf1 Nd4 50.Rd4 Rc2 51.Qb4 Qb4 52.Rb4 Ra2 53.Rc4 Rb2 54.Ra4 Rb5 55.Ke2 f5 56.Kf3 fg4 57.hg4 h5 58.Ra8 Rb3 59.Kf4 Rb4 60.Kf5 hg4 61.Rd8 Rc4 62.Rd7 Kh6 63.Rd8 g3 64.Rg8 Rc3 65.Kf6 Rf3 (65...Rf3 66.Ke6 b6–+) 0–1. Danilovic,Aleksandar (2395) – Sarenac,David (2270), Beograd SER, Premijer liga, 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

8.0-0 Be6 9.d3 Nbd7 10.Nfd2 (10.Ng5 Nc5=) 10...c6 (10...d5 11.d4 ed4 12.Bd4=) 11.bc6+= bc6 12.Bc6 Rb8 (12...Qb6 13.Bb5+= (worse 13.Ba8 Qb2 14.Nc3 Qc3-/+)) 13.Qc2 (13.Bc3 Qb6 14.Bf3 Rfc8+/-) 13...Qb6+= 14.Bd7 (14.Bb5 d5+=) 14...Nd7 (14...Bd7 15.Bc3=) 15.Ba3 (15.Bc3 Nc5=) 15...Rfc8 (15...Bh3 16.Re1=) 16.Nc3 d5 17.Rab1 Qd4 (17...Qd8 18.cd5 Bd5 19.Nde4+=) 18.Rb8 Nb8 (18...Rb8? 19.e3 Qb6 20.Nd5 Bd5 21.cd5+-) 19.Nb3 Qg4 (19...Qa7 20.cd5 Bd5 21.Qb2+=) 20.cd5+/- Bd5 21.Qd2 (21.Rc1 Bb3 22.Qb3 Nc6+/-) 21...Ba8 (21...Bb3 22.ab3 Nc6 23.Bc5+=) 22.f3 (22.Na5 f5+/-) 22...Qd7 23.Ne4 f5 (better 23...a4!? 24.Nbc5 Qa7=) 24.Nec5+/- Qa7 (24...Qe8 25.Qa5 Bd5 26.e4+/-) 25.Qa5 Qa5 26.Na5 e4 (26...Bd5 27.Nab3+/-) 27.Nab3 (27.de4 fe4 28.Nab3 ef3 29.ef3 Nc6+-) 27...ef3+/- 28.ef3 Nc6 (28...Bd5 29.Rf2+/-) 29.Ne6+- Ne5 30.Ng7 Kg7?? (better 30...Nf3 31.Rf3! Bf3+-) 31.Bb2 1-0. is_er_nog_hoop (2440) - Krestoman (2475), UnityChessClub Arena, lichess.org, 2020. (=1.b4 A15: English Opening: 1...Nf6 1...Nf6 2.Bb2 g6 3.c4 Bg7 4.Nf3 0-0 5.g3 a5 6.b5 d6)

8.0-0 Re8 9.d3 Nbd7 10.Nbd2 Nc5 11.Nb3 Na4 12.Ba3 e4 13.de4 (13.Nfd4 Nb6=) 13...Ne4=+ 14.Rc1?? (better 14.Nbd4 Nec3 15.Qd3=) 14...Nec3-+ 15.Qc2 Ne2 16.Kh1 Nc1 17.Rc1 Nc3 (17...Bf5 18.Qd2-+) 18.Nbd4 Ne4 19.Bb2 Nc5 20.Nb3?? (20.Rd1-+) 20...Bf5 21.Qd2 Ne4 (21...Ne4 22.Qc2 Ng3 23.fg3 Bc2 24.Rc2 Bb2 25.Rb2 Qf6-+) 0-1. Spiritchaser84 (2550) - Banelevich (2640), Rated Bullet game, lichess.org, 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

8.0-0 Re8 9.d3 h6 10.Nc3 Nbd7 11.Qc2 Nc5 12.Nd2 Rb8 (12...a4 13.Ba3=) 13.Ba3 (13.Nb3 Nb3 14.ab3 b6+=) 13...Ne6= 14.e3 b6 15.Rad1 (15.Bb2 Bb7+=) 15...Bb7 16.Bb7 Rb7 17.Nde4 Ne4 18.de4 h5 19.Qe2 Qg5 20.h4 Qg4 21.Kg2 Qe2 22.Ne2 f5 23.Nc3 f4 (23...Kf7 24.f3=) 24.Nd5+= Rf8 25.Rh1 (25.ef4 ef4 26.f3 a4+=) 25...Rbb8 (25...f3 26.Kh3=) 26.Rdg1 (26.Ne7 Kh7 27.ef4 ef4+=) 26...Rbe8 (26...fe3 27.Ne3 Rf7 28.Rd1=) 27.Rh2 (27.f3!?=) 27...Rf7=+ 28.Kh1 fe3 29.fe3 Ref8 30.g4 hg4 31.Rg4 Rf1 32.Rg1 R8f2 (better 32...Kh7!?=+) 33.Rf2+/- Rf2 34.Rg6 Kf7 35.Rg2 Rf1 36.Rg1 (better 36.Kh2!?+/-) 36...Rf2= 37.Rg2 Rf1 38.Kh2 Bh6 39.Kg3 Re1 40.Rf2 Kg7 41.Rg2 (41.Rf3!?+/-) 41...Kf7+= 42.Kf2 (42.Kf3 Be3 43.Bb2 Bd4=+) 42...Rh1= 43.Kg3 Re1 ½-½. Jessel,S (2295) - Likoko,Elvis (1645), Online Olym Div3 B (8), 2021. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 a5 4.b5 d6 5.g3 Bg7 6.Bb2 0-0)

8.Nc3 Be6 9.d3 h6 10.Qc2 Nbd7 11.Nd2 Nc5 12.Nb3 Nfd7 13.0-0 Kh7 (13...Ra7 14.b6 Nb3 15.bc7 Qc7 16.ab3+=) 14.Rad1 (14.Nc5 Nc5 15.Na4 Na4 16.Qa4 Qc8+=) 14...f5 15.Ba3 Nb3 16.ab3 Rb8 17.Na4 b6 18.Bc1 g5 Black plans f4 19.Bd2 Kh8 20.Bc3 f4 21.Qb2 Qe8 22.h3 (22.Ra1 Qh5=) 22...h5 (22...g4 23.hg4 Bg4 24.gf4 Rf4 25.f3+=) 23.gf4= gf4 24.Kh2 Qe7 25.Rg1 (25.b4!?=) 25...Qh4+= 26.Be1 (26.Rgf1 f3 27.ef3 Bh3–+) 26...f3!–/+ 27.Bf1 (27.ef3 Rf3; 27.Bf3 Qh3 Mate attack) 27...Bh6 28.Rg3 Bf4 29.e3 Bg3 30.fg3 Qg5 31.Qf2 Rf7 32.e4 Rbf8 33.Bd2 Qg6 34.Be3 Rg8 35.Qe1 Nf6 36.Rd2 Rfg7 37.Bf2 h4! 38.gh4 Nh5 39.Nc3 Nf4 40.Be3 (40.Nd5 Bd5 41.cd5 Ne2–+) 40...Bh3! 41.Nd5 (41.Bh3 Qg3 Double attack) 0–1. Pithart,Frantisek – Sajtar,Jaroslav, CSR–ch Prague, 1954. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 d6 6.g3 0-0)

8.Nc3 Re8 9.0-0 c6 10.a4 Qb6 11.d3 Nbd7 12.Rb1 Qc7 13.Ba3 Bf8 14.Nd2 Nb6 15.Qb3 Rb8 16.Nde4 White prepares c5 16...Ne4 17.Ne4 (worse is 17.de4 Be6 18.Qc2 Nc4–/+) 17...Kg7 18.Nd6 Bd6 19.c5 Bc5 20.Bc5 Nd7 21.Ba3 cb5 22.Qb5 Nf6 23.Rfc1 Qd8 24.Rc5 Bd7 25.Qb2 Ba4 26.Re5 Bc6 27.Re8 Qe8 28.Bd6 Rd8 29.Bc7 Ra8 30.Be5 Qe7 31.e4 g5 32.Bh3 a4+= 33.f4 Ra5 34.Bd4 Rb5 35.Qb5 Bb5= 36.Rb5 gf4 37.Rf5 a3 38.e5?? Ng8–/+ 39.e6 f6 40.Bg2? a2 41.Bd5 Qb4 42.Bc4 Qe1 43.Kg2 Qe2 44.Kh3 a1Q! 45.Ba1 Qf1 46.Kh4 Qa1 47.Rf4 Ne7 48.Kh3 f5 49.Kg2 b5! 0–1. Pithart,Frantisek – Zaruba,Antonin, CSR–ch sf Jablonec nad Nisou, 1954. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 d6 6.g3 0-0)

8.c5 e4+= 9.Ng5 dc5 10.Nc3 (10.Qc2 Re8+=) 10...Nfd7 (10...Bf5 11.0-0–/+) 11.h4+= (worse is 11.Nge4 f5–+) 11...h6 12.Nge4 f5 13.Qb3 (13.Ng5 hg5 14.Bd5 Rf7 15.hg5 Qe7= (15...Qg5 16.Bf7 Kf7 17.Qb3 Kf8 18.Nd5+–)) 13...Rf7+= 14.Ng5 hg5 15.Bd5 Qe7 16.hg5 Nb6 (16...c6 17.Bf7 Qf7 18.Qf7 Kf7 19.Rb1=) 17.0-0-0 (17.Bf7 Qf7 18.Qf7 Kf7=) 17...c4 (17...Nd5 18.Nd5 Qe6 19.Bg7 Rg7 20.d4–/+) 18.Qc2 (18.Bf7!? Kf7 19.Qc2+=) 18...Be6–/+ (18...Qg5? 19.Bf7 Kf7 20.Rh7+–) 19.Bb7 Ra7 20.Rh4?? (better is 20.Bf3–/+) 20...Rb7–+ 21.Rdh1 Qb4 (21...Qg5 22.Rh8 Bh8 23.Rh8 Kh8 24.Ne4 Qf6 25.Nf6 Rf6 26.Bf6 Kg8 27.Bb2+=) 22.Nd5 Qb2 23.Qb2 Bb2 24.Kb2 Rg7 25.Nf6 (25.Nc7 Bd7 26.Rh8 Kf7–+) 25...Kf7 26.Rh8 (26.Rh7 Nd5 27.Rg7 Kg7 28.Rh7 Kf8–+) 26...N8d7 27.Ne8 (27.Nd7 Bd7 28.Kc2 Bb5–+) 27…Rg8 (27...Rg8 28.Rg8 Kg8–+) 0–1. Bernstein,Sidney Norman – Hearst,Eliot Sanford, New York, 1961. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6 7.Bg2 e5)

8.d3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.g3 d6 6.Bg2 e5 7.d3 a5 8.b5).

9.Nc3 Nc5 10.Na4 Nfe4 11.d3 Na4 12.Qa4 Nc5 13.Qc2 Bg4 14.h3 Be6 15.Nd2 a4 16.Rad1 (16.Ne4 Ra7=) 16...f5 17.e3 f4 (17...Qc8 18.d4 a3 19.Ba1= (worse is 19.dc5 ab2 20.Qb2 dc5+=)) 18.ef4+= Bf5 (worse is 18...ef4 19.Bg7 Kg7 20.d4+–) 19.Ne4 Be4 20.Be4 Ne4 21.de4 ef4 22.Bg7 Kg7 23.Qc3 (23.c5 Rf7+=) 23...Qf6 24.Qf6 Rf6 25.g4 f3 26.Rfe1 Re8 27.Re3 (27.Kh2 Rfe6=) 27...Rf4 (27...h5 28.b6=) 28.Rd4 b6 29.Kh2 Re5 30.Kg3 g5 31.h4 h6 32.hg5 hg5 33.Re1 Kg6 34.Re3 ½–½. Prosviriakov,Vladimir (2270) – Lane,Peter Christopher (2040), London Classic Open, 2014. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 d6 6.g3 0-0 7.Bg2 e5 8.0-0 Nbd7)

9.Nc3 Nc5 10.d3 Re8 11.Nd2 Bf5 12.Nb3 Nfd7 13.Nc5 Nc5 14.Nd5 c6 15.bc6 bc6 16.Ne3 Bd7 17.d4 Ne6 18.d5 cd5 19.Nd5 Rc8 20.Qd2 Rc4+= 21.Rfc1 Bb5 22.Rc4 Bc4 23.Rc1 Bb5 24.Bc3 Nd4 25.Ba5 Ne2 26.Kh1 Qd7 27.Rc7 Qf5 28.Ne7 Re7 29.Re7 Qf2 30.Qe1 Qd4 31.Rb7 Bc4 32.Bb6 Qd3 33.Rb8 Bf8 34.a4 Kg7 35.a5 d5 36.Bc7 Qe3 37.Qa1?? f6 38.Bb6+= d4 39.Rc8 Nc1 40.h3 Qe1 41.Kh2 d3 42.Qa4 d2 43.Qd7 Kh6 44.Rc4 d1Q 45.Rh4 Qh5 46.Rh5 gh5 47.Qf5 Kg7 48.Bd8 Qd2 49.Qf6 Kg8 50.Qe6 Kg7 51.Bf6 (51.Bf6 Kh6 52.Be5 Kg5 53.Qf6) 1–0. Droulers,Denis (2190) – Sinkovics,Peter (2310), FRA–HUN Creteil, 1983. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

9.Nc3 Nc5 10.d3 Nh5 11.Nd2 f5 12.Qc2 f4 13.Nde4 Ne6 14.Na4 Nd4 15.Bd4 ed4 16.Qb3 White intends b6 16...Be6 17.b6 (17.Bf3 fg3 18.fg3 Qe7=) 17...c6+= 18.Rae1 h6 19.Qd1 Be5 20.Nd2 Qd7 21.Nf3 Bf6 22.c5? (22.Qc2 Bg4+=) 22...d5 (better is 22...Ba2!? 23.Qc1 Bg7–/+) 23.Qd2 g5 24.Kh1 (24.Qb2 Qg7=) 24...g4–/+ 25.Ng1 Bg5 26.Qb2 fg3 27.Qd4 (27.hg3!? Qf7 28.Kh2 Ng3 29.fg3 Qh5 30.Nh3–+) 27...gh2–+ 28.Kh2 Bf4 29.Kh1 Qe7 30.e3 Qh4 31.Nh3 Bg5 32.Kg1 Bf6 (worse is 32...gh3 33.Qh4 Bh4 34.Bh1–+) 33.Nf4 Bd4 34.Nh5 Be5 (34...Be5 35.Ng3 Bg3 36.fg3 Rf1 37.Kf1 Qg3–+) 0–1. Papp,Laszlo – Honfi,Karoly, HUN–ch, 1957. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

9.Nc3 e4 10.Nd4 Re8 11.Qc2 Qe7 12.d3 Nc5 13.Nb3 ed3 14.ed3 Ra7 15.Qd2 a4 16.Nc5 dc5 17.Rae1 Be6 18.Nd5 Qd8 19.Nf4 Bf5 20.Re8 Ne8 21.Bg7 Ng7 22.Qe3 Qd6 23.Nd5 c6 24.Ne7 Kf8 25.bc6 (25.Nf5?! Nf5 26.Qd2 cb5 27.cb5 b6+=) 25...bc6 26.Nc6 Rc7 27.Re1 Ne6 28.Ne5 f6 29.Nf3 Re7 30.Qh6 Kg8 31.Nd2 Nc7 (31...Qd3 32.Bd5 Qc3 33.Qf4+=) 32.Ne4 Be4 33.Re4 (worse is 33.Be4 f5 34.Qe3 fe4 35.de4 Ne6–+; 33.de4?! Qd3 34.Qf4 Kg7+/–) 33...Re4 34.Be4 a3 35.Kg2 Qd8 36.Qc1 f5 37.Bf3 Qd3 38.Qf4 Qd7 39.Qe5 1–0. Gardner,Allan – Rhodes,Lawrence (1925), BCCA/2011/CanB (ENG), 2011. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 a5 5.b5 d6 6.g3 0-0 7.Bg2 e5 8.0-0 Nbd7)

9.Nc3 Re8 10.d3 Nc5 11.Nd2 Rb8 12.Nb3+= b6 13.e3 Bb7 14.d4 (14.e4 Nfd7+=) 14...Bg2= 15.Kg2 Nb3 16.ab3 (16.Qb3 ed4 17.ed4 Qd7=) 16...ed4 17.Qd4 Ne4 18.Qd3 Bc3 (18...d5 19.Rfd1 dc4 20.Qc4=) 19.Bc3 Nc3 20.Qc3 Qe7 21.Qd4 Qe4 22.Qe4 Re4 23.Rfd1 (23.Ra4 Rbe8=) 23...Rbe8 24.Kf3 f5 25.h3 h5 26.h4 Kf7 27.Rd5 Kf6 28.Ra2 R4e5 29.Rd4 Re4 30.Rd5 R4e5 31.Rd3 Re4 32.Ra1 Ra8 33.Ra4 Rae8 34.Ra1 Ra8 35.Ra4 Rae8 36.Ra2 Ra8 37.Rd4 Rae8 38.Rd3 Ra8 39.Rd4 Rae8 40.Re4 Re4 41.Rc2 Ke6 42.Ke2 Kf6 43.Kd3 Re8 44.Kd4 Re5 45.f3 Re8 46.e4 fe4 47.fe4 Re5 48.Rf2 Kg7 49.b4+= ab4 50.Rb2 Kf6 51.Rb4 Ke6 52.Ra4 g5 53.Ra8 gh4 54.gh4 Kd7 55.Rh8 Rc5 56.Rf8 Ke6 57.Rf2 Re5 58.Rf1 Rc5 59.Rf8 Ke7 60.Rf5 Ke6 61.Rf8 Ke7+= 62.Rf5 Ke6 63.Rd5 Rd5 64.cd5 Kf6 65.Kd3 Kg6? 66.Ke3 Kf7 67.Kf3 Kg6 68.Kg3 Kf7 69.Kf2?? Kf6 70.Kf3 Kg6 71.Kf4 Kf6 72.e5 de5 73.Ke4 Ke7?? 74.Ke5+– Kd7 75.d6! cd6 76.Kd5 Kc7 77.Ke6 d5 78.Kd5 Kd7 79.Ke5 Ke7 80.Kf5 Kd6 81.Kg5 Kc5 82.Kh5 Kb5 83.Kg5 Kc4 84.h5 b5 85.h6 b4 86.h7 b3 87.h8Q Kd3 88.Qb2 (88.Qb2 Kc4 89.Kf5 Kd3 90.Qb3 Kd4 91.Qa4 Kd3 92.Qe4 Kd2 93.Qc4 Ke3 94.Qc3 Ke2 95.Kf4 Kf2 96.Qd2 Kf1 97.Kf3 Kg1 98.Qg2) 1–0. Kytoniemi,J (2280) – Raisa,U (2110), FIN, SM–Liiga, 2012. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

9.d3 a4 10.a3 Nc5 11.Nc3 Re8 Black prepares e4 12.Nd2 Bf5 Black intends e4 13.Qc2 e4 14.de4 Nfe4 15.Nde4 Ne4 16.Ne4 Bb2 17.Qb2 Be4 18.f3 Bf5 19.e4 Be6 20.Qd4 f5 21.ef5 Bf5 22.f4 Rb8 23.Rae1 h5 (23...Re1!? 24.Re1 c6+-) 24.Bb7! Rb7 25.Qd5 Kh8 26.Qb7 Bh3 27.Qc6 Re7 28.Qd5 Kh7?? (better 28...Bf1 29.Re7 Qe7 30.Qd4 Kh7 31.Kf1 Qe6+-) 29.Qg5 (29.Qg5 Re8 30.Qd8 Rd8 31.Re7 Kg8 32.Rfe1+-) 1-0. Needleman,A (2325) - Meza,A (2020), 96th ch-ARG (7), 2022. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

9.d3 Re8 10.Nc3 Nc5 11.Na4 Na4 12.Qa4 Bf5 13.Rfd1 h6 14.Nh4 Bc8 15.Rac1 e4 16.de4 Ne4 17.Bg7 Kg7 (17...Nc5 18.Qc2 Kg7 19.b6=) 18.Qc2 (18.c5!? Nf6 19.e3+/-) 18...Nc5= 19.Nf3 Qf6 20.Nd4 Bg4 21.h3 Bd7 22.Re1?? (22.Rb1 Be6=) 22...Re7 (better 22...Qd4 23.Rcd1 Qf6-+) 23.Rcd1 Rae8 24.e3 h5 25.Qd2 h4 26.g4 b6 27.f4 g5 28.f5 (28.Nc6 Bc6 29.Bc6 Rg8+=) 28...Qe5= 29.Qf2 Kh7? (29...a4 30.Nc6 Bc6 31.Bc6=) 30.Bc6?? (better 30.f6 Re6 31.Ne6 Re6 32.Rd5+-) 30...Ne4 (30...Qg3 31.Qg3 hg3 32.Bd5=) 31.Be4 Qe4 32.f6 Re5 33.Nf3 Bc8?? (better 33...Rc5 34.Rd4 Qg6=) 34.Rd4+- Qg6 35.Ne5 Re5 36.Rf1 Bb7 37.e4 (37.a3!?+/-) 37...Be4= 38.Re4?? (better 38.Qd2=) 38...Qe4-+ 39.Qf3 (39.Qd2 Qe3 40.Qe3 Re3-+) 39...Qf3 (39...Qc4 40.Rf2-+) 40.Rf3 Kg6 41.Kg2 (41.a3 Rc5 42.Kf1 Rc4-+) 41...Re6 (41...Re4 42.Rc3-+) 42.Rf2 Re4 43.Rd2 (43.Rc2 Kf6 44.Kf3 Ke5-+) 43...Rc4 44.Re2 (44.a3 a4-+) 44...Rc5 (44...Rb4 45.Rc2-+) 45.Re7 (45.Rb2 Kf6 46.a4 d5-+) 45...Rb5 (45...Kf6 46.Re2 Rb5 47.Kf3-+) 46.Rc7 Rb2 47.Rc2 (47.Kg1 Ra2 48.Rc6 Rb2 49.Rd6 a4-+) 47...Rb4 (better 47...Rc2 48.Kf1 Ra2 49.Ke1 Rb2 50.Kf1 a4 51.Ke1 a3 52.Kd1 a2 53.Kc1 a1Q) 48.Kf3 (48.Rd2 d5-+) 48...Ra4 49.Ke3 (49.Rd2-+) 49...Ra3 50.Rc3 (50.Ke4 Rh3 51.Kd5-+) 50...Ra4 (better 50...Rc3 51.Kf2 Rh3-+) 51.Rd3?? (51.Rc2 Kf6 52.Rf2 Ke5 53.Rf7 Ra3 54.Kf2 Rh3 55.Rf5 Ke4 56.Rg5 Rh2 57.Kg1 Ra2 58.Rb5-+) 51...Rb4 (better 51...Ra2!? 52.Rd6 Ra3 53.Kd4 Rh3 54.Rb6-+) 52.Rd2 (52.Rd6 Rb2 53.Kd4-+) 52...Ra4 53.Ke2?? (53.Rc2 Kf6 54.Kf3-+) 53...Ra2 (better 53...Ra3-+) 54.Rc2?? (better 54.Ra2 Kf6 55.Rb2+-) 54...Ra3 (better 54...Rc2 55.Kd3 Rc5 56.Ke2 a4 57.Kf2 a3 58.Ke3 a2 59.Ke2 a1Q 60.Kd3 Rc3 61.Kd4 Qe1 62.Kd5 Qe5) 55.Rd2 Ra4 (better 55...Rh3!? 56.Rd6 b5 57.Rb6-+) 56.Rd3 Rb4 57.Ke3 Rb2 58.Rb3 (58.Rd6 Rb3 59.Kd2-+) 58...Rb3 59.Ke4 Rb4 60.Kd5 Rb5 61.Kd6 Rb4 62.Kc7 Black now must not overlook the idea a4 62...Rg4! 63.Kb6 (63.hg4 a4 Passed pawn) 63...Rg3 64.Ka5 Rh3 65.Kb6 Rf3 66.Kc6 Rf6 67.Kd7 Rf5 68.Ke8 (68.Kc8 g4 69.Kd8 g3 70.Kd7 g2 71.Kc7 g1Q 72.Kc6 Rc5 73.Kb7 Qb1 74.Ka6 h3 75.Ka7 Ra5) 68...Re5 (68...Rd5 69.Kf8 Kf6 70.Kg8 Rd8 71.Kh7 g4 72.Kh6 Rh8) 69.Kf8 Rd5 (69...g4 70.Kg8 Re8) 70.Ke8 Rd4 (70...Kf6 71.Kf8 Rd8) 71.Kf8 (71.Ke7 g4 72.Kf8 Kf6 73.Kg8 Rd8 74.Kh7 g3 75.Kh6 Rh8) 71...Rd3 72.Ke8 (72.Ke7 g4 73.Kf8 Kf6 74.Kg8 Rd8 75.Kh7 g3 76.Kh6 Rh8) 72...Re3 (72...Kf6 73.Kf8 Rd8) 73.Kf8 (73.Kd8 h3 74.Kc7 h2 75.Kd7 Rd3 76.Kc6 h1Q 77.Kc5 Qd5 78.Kb6 Rb3 79.Kc7 Rb7 80.Kc8 Qd7) 73…Re2 (73...Re2 74.Kg8 Re8; 73...g4 74.Kg8 Re8) 0-1. Spiritchaser84 (2340) - Anrafaelvela (2530), Rated bullet game, lichess.org, 2018. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

9.d3 Re8 10.Nc3 c6 11.Qc2 Nc5 Black intends e4 12.Na4 Na4 13.Qa4 Bd7 14.bc6 Bc6 15.Qc2 e4 16.Nd4 ed3 17.Nc6? (better 17.ed3 Bg2 18.Kg2=) 17...dc2-+ (17...bc6 18.Qd3 Qc7 19.Rfd1+=) 18.Nd8 Rad8 (18...Red8?! 19.Rac1=) 19.e3 (better 19.Rac1 Re2 20.Bc3-/+) 19...d5 (better 19...Rc8!? 20.Rfc1 Rc4-/+) 20.Rac1 (20.cd5 Rc8=+) 20...dc4 21.Rc2 b5 (21...Ne4 22.Bg7 Kg7 23.Rb1=+) 22.a4 (22.Bc6 Nd5 23.Bg7 Nb4 24.Be8 Nc2 25.Bb5 Kg7 26.Bc4 Rd2+/-) 22...Nd5 23.Bg7 Kg7 24.ab5 Nb6 25.Bc6 Re6 26.Ra1 a4 27.Kf1 Rd3 28.Ke2 f5 (better 28...Red6!?=+) 29.Rc4+= Rde3 30.fe3 Exerts pressure on the isolated pawn 30...Nc4 31.e4 (better 31.Ra4 Ne3 32.Ra7 Kh6 33.Kd3+/-) 31...fe4?? (better 31...Nb6=) 32.Ra4 (32.Bd5!? Re7 33.Bc4 Ra7+-) 32...Nd6? (32...Ne5 33.Be4 (worse 33.Re4 Nc6 34.Re6 Nd4 35.Kd3 Ne6-/+) 33...Nd7 34.Ke3+-) 33.Ra7?? (better 33.b6!?+-) 33...Kf6 (33...Kh6 34.g4+-) 34.Rh7 (34.Ra6!? Nc8+-) 34...Nf5+/- 35.Rd7 Ke5 (better 35...Ne7 36.Ba8 Rb6+/-) 36.Rd1?? (better 36.Rd5 Kf6 37.g4+-) 36...Nd4=+ 37.Ke3 The isolani on e4 becomes a target 37...Nc6 38.bc6 Rc6 39.Rd2 Rc3 40.Ke2 Rc4 41.Rb2 Rd4 (41...Rc5 42.Rb6 Kf5 43.g4 Kf4 44.Rf6 Kg4 45.Rg6 Kf4 46.Rf6 Ke5 47.Rf8=) 42.Rb5= Rd5 43.Rb3 g5 44.Re3 (44.h3 Rc5=) 44...g4 (better 44...Rb5 45.Ra3 g4=+) 45.h3?? (45.Rb3 Rc5=) 45...Kd4 (better 45...gh3 46.Rb3 Kf5-+) 46.hg4= Rc5 47.Re4?? (better 47.Rb3=) 47...Ke4-+ 48.Kf2 Rc4 49.Kg2 Rc3 50.Kh3 Re3 51.Kh4 1-0. Spiritchaser84 (2330) - Anrafaelvela (2540), Rated bullet game, lichess.org, 2018. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

9.d3 h5 10.Nc3+= Re8 11.Qc2 Nf8 12.e3 c6 13.Rfd1 Qe7 14.d4 e4 15.Nd2 Bf5 16.Ba3 (16.Qa4 Qd7+=) 16...N8h7 (16...c5 17.dc5 dc5 18.Bb2+=) 17.Rab1 c5 (17...Ng5 18.bc6 bc6 19.Rb6+=) 18.dc5+= dc5 19.b6 (19.Nd5 Nd5 20.cd5 Nf6 21.Bc5 Rac8 22.Be7 Rc2+/-) 19...Ng5 20.Nb3 Nd7 (20...Rac8!?+/-) 21.Nd5+- Qe6 (21...Qf8 22.Nc7 a4 23.Nc5 (23.Na8 ab3 24.Qb3 Ra8-/+) 23...Nc5 24.Rd5+/- (24.Ne8?! Re8 25.Rb5 Rc8=)) 22.Nc7 (22.Bc5 Nf3 23.Kh1 Nc5 24.Nc5 Qc6+-) 22...Qb6 (22...Qe7 23.Ne8 Re8 24.Na5+-) 23.Ne8 Re8 24.Nc5 Qc6 25.Nb7 Nh3 (25...Ne5 26.Na5 Qa6 27.Bb4+-) 26.Kh1 Bg4 27.Nd6 (better 27.Rd6 Qc7 28.Ra6+-) 27...f5 (27...Re5 28.Rd2 Bf3+-) 28.Ne8 Ne5 (28...Bd1 29.Rd1 Ng5 30.Ng7+-) 29.Ng7 (better 29.Rd8 Kh7 30.Ng7 Ng5+-) 29...Bf3 (29...Bd1 30.Rd1 Qc4 31.Qc4 Nc4 32.Bh3 Kg7+-) 30.Rd6 (30.Bf3 ef3 31.Nf5 Nf2 32.Qf2 gf5 33.Rb8 Kh7+-) 30...Nd3 31.Rc6 1-0. lswlxx (2525) - pasternak1319 (2165), Rated Bullet game, lichess.org, 2016. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

9.d4 e4 10.Nfd2 Re8 11.Nc3 The pressure on e4 grows 11...e3 12.fe3 Re3 13.Rc1 Ng4 (13...Qe8 14.Rf2=) 14.Nd5+= Re8 15.e4 Ndf6 16.Qf3 Be6 17.h3 Bd5 18.cd5 (18.ed5?! Ne3 19.Rfe1 Bh6+=) 18...Nh6 19.Qc3 Re7 (19...Rc8!?+/-) 20.g4+- Ne8 (20...a4+-) 21.g5 1-0. mydreamscametrue (2485) - Banelevich (2500), Rated blitz game, lichess.org, 2020. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

10.Nc3 Bd7 11.Nd2 Qc8 (11...c6 12.Rb1=) 12.Ba3 Bh3 (12...Ne6 13.b6=) 13.Bc5 dc5 14.Nde4 (14.Qc2 Bg2 15.Kg2 Rd8=) 14...Bg2 (14...Ne4 15.Ne4 Bg2 16.Kg2=) 15.Nf6 Bf6 16.Kg2 c6 (16...Qd8 17.Rb1=) 17.Rb1+= Be7 (17...cb5 18.Rb5 (18.cb5?! Bg7=) 18...Qc6 19.Nd5+–) 18.Qa4 h5 (18...Qc7!?+=) 19.bc6+– bc6 20.Rb6 Ra6 21.Ra6 (21.Rfb1 h4+–) 21...Qa6 22.Rb1 h4 23.Qb3 Qc8 (23...Kg7 24.Qb6 Qb6 25.Rb6 hg3 26.hg3+–) 24.Qb7 (24.Qb6 Kg7 25.Qa7 Qe6+–) 24...Qe6 (24...h3 25.Kf1 Qb7 26.Rb7+–) 25.Qc7 (25.Rb6!? Rc8 26.Qa7+–) 25...Kg7+= 26.Rb7 Bd8 27.Qd7 Re8 (27...h3 28.Kf1 Qd7 29.Rd7+–) 28.Qe6 (28.Ne4 Re7 29.Qe6 Re6 30.Nc5 Rd6+–) 28...Re6 29.Na4 (29.gh4 Re7 30.Rb2 Kh6+–) 29...Be7 (29...Re7 30.Rb2+– (30.Nc5?! hg3 31.Rb8 Bc7+–)) 30.f3 (30.Ra7 e4+–) 30...hg3 31.hg3 Kh6 (31...e4 32.fe4 Re5 33.Nb6+–) 32.Kf2 (32.Ra7!? f5+–) 32...f5 33.e4 (33.Ra7 e4 34.de4 fe4+–) 33...f4 (33...Kg5!?+–) 34.Ra7 Bd8 35.Rd7 (35.gf4 ef4 36.Ra8 Bf6+–) 35...Be7 36.Kg2 (36.gf4 ef4 37.Ra7 Re5+–) 36...fg3+– 37.Kg3 Kh5 (37...Bg5 38.Nc5 Re7 39.Kg4+–) 38.Ra7 Bh4 39.Kg2 g5 (39...Be7 40.Ra5 Kg5 41.Kg3+–) 40.Nc5 Rf6 41.Re7?? (better 41.Rh7 Kg6 42.Nd7 Kh7 43.Nf6 Kg7 44.Nd7+–) 41...Rf3+= 42.Kf3 g4 43.Kg2 Be7 44.Nd7 Bd6 45.Kg3 Kg5 (45...Bb4 46.c5+– (46.Ne5?! Bd6 47.d4 c5=)) 46.a4 (46.c5 Bc7+–) 46...Kh5 (46...Bb4!? 47.c5 Be1 48.Kg2 Kf4+–) 47.Nf6 (47.c5 Bc7+–) 47...Kg5 48.Ng4 Bb4? (48...c5 49.Ne3+–) 49.Kf3 (49.Ne5!? Bd6 50.d4 Kf6+–) 49...Bd6 (better 49...Bc3!?+–) 50.c5!+– Bc7 (50...Bc5 51.Ne5 Deflection) 51.Kg3 (51.Ne3 Kf6+–) 51...Bb8 (better 51...Kg6+–) 52.Kf3 Bc7 53.Ne3 Kf6 54.Kg4 Bb8 (54...Bd8 55.Nf5+–) 55.Nc4 Bc7 56.Kh5 (56.Kf3 Ke6+–) 56...Bd8 57.Nd6 Be7 (57...Ke6 58.Kg6+–) 58.Nb7 Ke6 59.Kg6 Kd7 (59...Bf8 60.Na5 Bc5 61.Nc6+–) 60.Na5 (60.Kf5 Bf8+–) 60...Bc5 61.Kf5 Bd4 62.Nc4 Kc7 (62...Bc3 63.Ne5 Kc7 64.Ke6+–) 63.Ne5 Kd6 (63...Bc3 64.Ke6+–) 64.Nc4 Kc5 (64...Kc7 65.e5+–) 65.Ke6 Kb4 (65...Bf2 66.a5+–) 66.a5 Kb5 67.Kd6 Bg7 68.e5 Bf8 (68...c5 69.e6 Bf8 70.e7 Be7 71.Ke7+–) 69.Kd7 (69.Kc7 Ka6 70.Kc6 Ka7+–) 69...Bb4 (69...c5 70.e6 Ka6 71.Nd6 Ka5 72.Ne4+–) 70.e6 (better 70.Nd6 Ka5 71.e6 Bd6 72.Kd6 Kb4+–) 70...Bf8 71.e7 Be7 72.Ke7 Kc5 (72...Ka6+–) 73.a6 Kb5 74.a7 Ka6 (74...Kc5 75.a8Q Kd4 76.Qd8 Kc3 77.Ne5 Kc2 78.Nc6 Kc3 79.d4 Kd3 80.d5 Ke4 81.d6 Kf5 82.Qf8 Kg6 83.Ne5 Kg5 84.Qf6 Kh5 85.Qf5 Kh4 86.Qg4) 75.a8Q (75.a8Q Kb5 76.Qa5) 1–0. Jessel,Stephen (2380) – Oragwu,Chukwunonso (2155), PRO League Central, 2017. (=1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6 7.Bg2 e5 8.0-0 Nbd7 9.d3 Nc5)

10.Nc3 Re8 11.Na4 Nfd7 12.Nc5 Nc5 13.Qc2 c6 14.bc6 bc6 15.Nd2 Qc7 16.Ne4 Ne4 17.Be4 Rb8 18.Rab1 Be6 (18...Bh3 19.Bg2 Bg2 20.Kg2=) 19.Bc3 d5 20.Bg2 d4 21.Bd2 c5 (21...Ra8 22.Qa4 Bd7 23.Rb2+=) 22.Qa4+= Attacking the isolated pawn on a5 22...Bd7 23.Qa5 (23.Ba5?! Qa7 (23...Ba4? 24.Bc7 Rb1 25.Rb1+-) 24.Qa3 Ra8=) 23...Qa5 24.Ba5 f5 (24...Bg4 25.f3 Bd7 26.Bb6+/-) 25.Bb6 (25.Bb7 e4 26.Bc7 Rb7 27.Rb7 Bc6+-) 25...e4 (better 25...Bf8!?+/-) 26.Bc5+- Bc6 27.de4 (27.e3 Rb1 28.Rb1 Rd8+-) 27...fe4 28.Rb8 (28.h4 Rbc8+-) 28...Rb8 29.Rd1 Rb2 (29...Ba4 30.Rc1 d3 31.ed3 ed3 32.Bd5 Kh8+/-) 30.Bd4+- Bd4 31.Rd4 Re2 32.a4! Ra2? (32...Ba4 33.Re4 Deflection) 33.Be4+- Be4 34.Re4 Ra4 35.Kg2 Kg7 36.Rf4 g5 37.Rd4 Kg6 38.g4 (38.h4 gh4 39.Rg4 Kf5 40.Rh4 Ke5+-) 38...h5 39.h3 hg4 40.hg4 Ra3 41.f3 Rc3 42.Kg3 Rc2 43.Rd6 Kg7 44.Rc6 Rc3 45.Rc5 Kf6 46.Rc6 Ke5?? (46...Kg7 47.Kf2 Kf7+-) 47.Rc8 (47.Rg6 Rc4 48.Rg5 Kf6+-) 47...Kf6 48.c5 Kg6 49.c6 Rc4 (49...Rc2 50.c7 Kg7 51.f4 Rc3 52.Kf2 gf4 53.Ke2+-) 50.c7 Rc2 (50...Kh7 51.Kf2 Rc3+-) 51.Rg8 (51.Rg8 Kf6 52.c8Q Rc8 53.Rc8+-) 1-0. Spiritchaser84 (2525) - EnisMetin (2445), Rated bullet game, lichess.org, 2023. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

10.Nc3 Re8 11.Nd2 =.

10.Nc3 Bf5 11.Nd2 Qc8 (11...a4 12.Ba3 Nfd7 13.Nde4 Ne4 14.Ne4=) 12.Nb3 (12.Ba3 Nfd7=) 12...Nb3 13.ab3 (13.Qb3 Bh3=) 13...Bh3 14.Qd2 h5 (14...Bg2 15.Kg2 Qg4 16.e4=) 15.Nd5 (15.Nd1 b6+=) 15...Nd5= 16.cd5 Bg2 17.Kg2 Qd7 (17...b6 18.Rfc1=) 18.Ra5 b6 19.Ra8 Ra8 20.Qb4 (20.e4 Qb5 21.b4 c6 22.dc6 Qc6=) 20...Ra2= 21.Rb1 Ra5 22.e4 h4 (22...Qb5 23.Qc3=) 23.h3 (23.Qc3 Qb5 24.Rc1 Ra2+=) 23...hg3 (23...Qb5 24.Qb5 Rb5 25.Bc3+=) 24.fg3 Ra2 (24...f5!?=) 25.Qc4+/– f5 (25...Qd8 26.b4 Qa8 27.Qc7+=) ½–½. Schneider,Lars Ake – Hoi,Carsten, Oslo, 1983. (=1.c4 Nf6 2.Nf3 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6 7.Bg2 e5 8.0-0 Nbd7 9.d3 Nc5)

10.Nc3 h6 11.Na4 Na4 12.Qa4 Be6 13.Rfd1 Qd7 14.Nd2 Rab8 (14...Bg4 15.Re1 Rfb8 16.c5+=) 15.Qa5+= b6 (15...Ra8 16.Qc3 c6 17.a4+/-) 16.Qb4+/- Bh3 17.Bh1 Ng4 18.a4 f5 19.a5 ba5 20.Ra5 f4 21.Ne4 fg3 22.hg3 Nf2? (better 22...Nf6+/-) 23.Nf2+- Rf2 (23...Be6 24.Rda1+-) 24.Kf2 Rf8 25.Bf3 Qg4 (25...Bg4 26.Ra8+-) 26.Qd2 (26.Ra7 Qd7 27.c5 Rb8+-) 26...e4 27.Bg7 (better 27.de4 Bb2 28.Qb2+-) 27...ef3?? (27...Rf3 28.ef3 Qf3 29.Kg1 e3+/-) 28.Bf8 fe2 29.Qe2 (better 29.Rh1 Qd4 30.Ke2 Bg4 31.Ke1 Qe5 32.Kf2 Qf6 33.Qf4 Qb2 34.Kg1 Qb1 35.Kg2 Qc2 36.Qf2 Qf2 37.Kf2 Kf8+-) 29...Qf5 (29...Qe2 30.Ke2 Bg4 31.Ke3 Bd1 32.Bd6+-) 30.Qf3 Qc5 (30...Qf3 31.Kf3 Kf8 32.Ra7+-) 31.d4 Qb4 32.Ra8 (32.Bh6 Kh7 33.Qf8 Qe1 34.Re1 Bf5 35.Re7) 32...Qb2 33.Kg1 Bg4 1-0. Spiritchaser84 (2525) - Moustakias (2325), Rated bullet game, lichess.org, 2019. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7= 4.Bb2 0-0 5.g3 a5 6.b5 d6)

10.e3 Re8 11.Nc3 Bf5 12.Ne1 (12.e4 Be6=) 12...Qc8 13.Rc1 Bh3 14.Qc2 Bg2 15.Kg2 Qg4 16.h3 Qh5 17.d4 (17.Nd5 Nd5 18.cd5 Rac8=) 17...ed4=+ 18.ed4 Nce4 19.Ne4 Ne4 20.Nf3 Ng5 (20...Re7 21.Qa4=) 21.Ng5= Qg5 22.Rce1 f5 (22...d5 23.f4 Qh5 24.c5=) 23.Qd3 Re7 (23...a4 24.a3=) 24.h4 (24.Qf3!?+/-) 24...Qf6+= 25.Qf3 Rae8 (25...Rb8 26.Bc3+=) 26.Re7+/- Qe7 27.Qb7 Qe2 (27...Qf7 28.Qc6+=) 28.Qd5 Kh8 (28...Kf8 29.Bc3 Qa2 30.Ra1+-) 29.Bc3 Qa2 30.Qf7 (30.Ra1 Qc2 31.Ba5 f4 32.gf4 Rf8 33.Bc7 Rf4+/-) 30...Rf8 31.Qc7 Qc2 (31...f4 32.Kg1= (worse 32.Qa5 Qc4 33.Qb4 Qd5 34.f3 fg3=)) 32.Ba5 Qe4 Black prepares the advance f4 33.Kg1 f4 34.Qd6 f3? (better 34...fg3 35.Qg3 Bd4+/-) 35.Kh2?? (better 35.Rc1+-) 35...Bd4?? (35...Qe2 36.Kg1 Qe4+-) 36.Re1 (36.Qf8) 36...Qg4 37.Qf8 1-0. lswlxx (2520) - Passajir (2245), Rated Bullet game, lichess.org, 2016. (=1.Nf3 A15: English Opening: 1...Nf6 1...Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 0-0 5.g3 a5 6.b5 d6)

11.Na4 Ne6 A) 12.Qd2 Nf6 (12...f5 13.Rab1 f4 14.Bc3 Nf6 15.Ne1 Ra7 16.b6 Ra6 17.bc7 Qc7+=; 12...Re8 13.Bc3 Nf6 14.Rab1 h6 15.a3 Bd7 16.h3 Ra7 17.Qe3 Ra8+=; 12...Bd7 13.Rab1 Nf6 14.Bc3 Re8 15.a3 h6 16.h3 Qc8 17.Rfe1 Qd8+=; 12...g5 13.Bc3 g4 14.Ne1 f5 15.f3 Nf6 16.e3 e4 17.fe4 fe4+=) 13.Nc3 a4 14.a3 Nc5 15.Rab1 Re8 16.h3 Qe7 17.Qe3 Be6=; B) 12.e3 Re8 (12...Nf6 13.d4 ed4 14.Nd4 Re8 15.b6 Nd4 16.Bd4 c6 17.Qd2 c5=; 12...f5 13.d4 e4 14.Nd2 Qg5 15.Qe2 Nf6 16.f3 ef3 17.Nf3 Qg4=; 12...Qe7 13.d4 Rd8 14.Qc2 ed4 15.ed4 d5 16.cd5 Rd5 17.Qc4 Nf6=; 12...h6 13.Bc3 Nf6 14.d4 e4 15.Nd2 Ng5 16.f4 Nh3 17.Kh1 d5=) 13.d4 ed4 14.Nd4 Nf6 15.Re1 Ng5 16.Nc3 Nh3 17.Kf1 Qd7=; C) 12.Rc1 Qd7 (12...Qe8 13.Qd2 Nf6 14.Bc3 Qd7 15.Rfd1 Re8 16.Rb1 Qd8 17.a3 Bd7+=; 12...Bd7 13.Qd2 Re8 14.Qe3 Nf6 15.a3 c6 16.Nc3 Ng4 17.Qd2 cb5=; 12...f5 13.Nc3 Nf6 14.Qc2 Bd7 15.e3 c6 16.a4 Qc7 17.Ba3 Rae8=; 12...c5 13.Nc3 Nf6 14.Qd2 a4 15.a3 Re8 16.Rb1 Qa5 17.Ng5 Ng5+=) 13.b6 c5 14.e3 Nf6 15.Nd2 Qe8 16.Ne4 Ne4 17.Be4 Ra6=; D) 12.d4 e4 (12...ed4 13.Nd4 Nf6 14.Qd3 Qe7 15.Ne6 fe6 16.c5 d5 17.Rad1 Rf7+=; 12...Nd4 13.Nd4 ed4 14.Bd4 Re8 15.Bg7 Ng7 16.c5 dc5 17.Qd8 Rd8+/–) 13.Nd2 f5 14.d5 Bb2 15.Nb2 Nc5 16.Nb3 Qf6 17.Rb1 Nd7+=.

11.d4 ed4 12.Nd4 Nf6 (12...Re8 13.Nb3 a4 14.Nc5 a3 15.Rb1 ab2 16.N5a4 Qd7 17.Rb2 Qe6+=) 13.Qc2 (13.Nb3 Nfe4 14.Qc2 Nc3 15.Bc3 Bf5 16.Qc1 Be4 17.Nc5 Bg2+=) 13...Bd7 (13...Re8 14.a4 Qe7 15.Rae1 Bg4 16.h3 Bd7 17.Nd5 Nd5=) 14.Rfe1 (14.Nb3 Bf5 15.Qd2 Be4= 16.Nc5 Bg2 17.Kg2 dc5+=; 14.Rae1 a4 15.a3 Qe7 16.e4 Rfe8 17.f4 Be6+=) 14...Qc8 (14...Re8 15.a4= Rc8 16.Rab1 Qe7 17.e3 h6=) 15.Nb3+= Ne6 (15...Nb3!? 16.Qb3 Re8= 17.Nd5 Nd5=) 16.Nd5+/– Nd5 17.cd5 (17.Bd5?! a4 18.Nd2 Nd4 19.Bd4 Bd4=) 17...Nc5 (better is 17...Bb2!? 18.de6 Ba1 19.ed7 Qd7 20.Na1 Qb5 21.Qc7 d5+/–; 17...Ng5+/–) 18.Bg7+– Nb3? (better is 18...Kg7 19.Nc5 dc5 20.Qc5 b6+–) 19.Bf6 (19.Qb3?! Kg7 20.Rac1 Qb8+/–; 19.ab3?! Kg7 20.Qc3 Kg8 21.Ra5 Ra5 22.Qa5 Qd8+/–; 19.Bf8?! Na1 20.Ra1 Qf8 21.Qc7 Bb5+/–) 1–0. Contin,Daniel (2330) – Cossin,Sebastien (2230), XVIII Winter Open, Nice FRA, 2002. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

11.Nd5 Be6 A) 12.d4 Bd5 (12...e4 13.Ne1 f5 14.Qc2 Nd7 15.Ne3 Nhf6 16.d5 Bf7 17.Rb1 Qe7=; 12...Nd7 13.de5 de5 14.Rb1 e4 15.Nd4 Bd5 16.cd5 Nhf6 17.Rc1 Re8=; 12...ed4 13.Nd4 a4 14.a3 Qd7 15.Rb1 Rae8 16.Ne6 fe6 17.Nc3 Ra8+=) 13.cd5 e4 14.Ne1 f5 15.Qc2 Nd7 16.Rc1 Rc8 17.f3 Qg5=; B) 12.Rb1 a4 (12...Nf6 13.d4 ed4 14.Qd4 Bd5 15.cd5 Re8 16.e3 a4 17.a3 Qe7+=; 12...c6 13.Nc3 Qc7 14.bc6 bc6 15.Ba3 Nb7 16.Ng5 Bd7 17.Qb3 Rab8=; 12...Re8 13.d4 ed4 14.Nd4 Bd5 15.cd5 Nf6 16.e3 Qe7 17.Qc2 a4+=; 12...Nd7 13.Ne3 f5 14.a4 f4 15.Nd5 Bd5 16.cd5 Nb6 17.Bh3 Kh8+=) 13.d4 ed4 14.Bd4 Re8 15.b6 cb6 16.Nb6 Ra6 17.Bg7 Ng7=.

11.Nd5 Ne6 A) 12.Qc2 c6 (12...Nf6 13.a3 Re8 14.Ne3 c6 15.bc6 bc6 16.Rab1 Rb8 17.Bc3 Bb7+=; 12...Re8 13.Rad1 c6 14.Nc3 Nd4 15.Nd4 ed4 16.Ne4 cb5 17.cb5 f5=; 12...a4 13.Nc3 a3 14.Bc1 Nf6 15.Rb1 Nc5 16.Ng5 Bf5 17.e4 Bg4+=; 12...f5 13.c5 Nf6 14.Nf6 Qf6 15.Rac1 Nc5 16.Ne5 Qe6 17.Nc4 Bb2+=) 13.Nc3 f5 14.Rfb1 Nf6 15.e3 Bd7 16.Ba3 Qc7 17.Rb2 Rad8=; B) 12.e3 f5 (12...Re8 13.Nd2 Nc5 14.Qe2 Bf5 15.Ne4 Be4 16.de4 Nf6 17.f3 c6=; 12...h6 13.Nd2 a4 14.Rb1 Nc5 15.b6 cb6 16.d4 Nd3 17.Ba1 f5+/–; 12...a4 13.a3 Nf6 14.d4 ed4 15.Nd4 Nd5 16.cd5 Nc5 17.Rb1 Re8+=; 12...c6 13.Nc3 Nf6 14.d4 Qc7 15.d5 Nc5 16.dc6 bc6 17.bc6 e4+=) 13.Nd2 c6 14.Nc3 Bd7 15.Rb1 Nf6 16.f4 ef4 17.gf4 Ng4=; C) 12.Nd2 f5 (12...Re8 13.e3 a4 14.a3 Nc5 15.Ne4 Ne4 16.Be4 Bh3 17.Re1 f5=; 12...c6 13.Nc3 Qb6 14.Rb1 cb5 15.Nb5 Nf6 16.e3 Nc7 17.Nc3 Qa7+=; 12...h6 13.e3 a4 14.Rb1 a3 15.Bc3 Re8 16.Qe2 Nf6 17.Nf6 Bf6+=; 12...Bd7 13.Ne3 Bc8 14.Qa4 Re8 15.Nb3 Nd4 16.Rae1 c5 17.bc6 Nc6+=) 13.e3 c6 14.Nc3 Bd7 15.Rb1 Nf6 16.f4 ef4 17.gf4 Ng4=; D) 12.Rb1 c6 (12...Bd7 13.Bc3 Re8 14.Nd2 a4 15.e3 Bc8 16.a3 Nf6 17.Nf6 Bf6+=; 12...Re8 13.Nd2 Bd7 14.Bc3 a4 15.a3 c6 16.Nb6 Ra7 17.Nd7 Qd7+=; 12...h6 13.Qa4 Re8 14.Nd2 Nc5 15.Qc2 Bg4 16.Ne4 Ne4 17.Be4 Bh3+=; 12...a4 13.Nc3 a3 14.Bc1 Nc5 15.Be3 Ne6 16.Rb3 f5 17.Qc1 f4+=) 13.Nc3 Nf6 14.Qd2 Bd7 15.d4 e4 16.Ng5 Ng5 17.Qg5 Re8=.

11.Nd5 Re8 C1) 12.d4 ed4 (12...e4 13.Nd2 c6 14.bc6 bc6 15.dc5 Bb2 16.Nb6 Ba1 17.Na8 Bg7=; 12...Nd7 13.de5 Ne5 14.Ne5 de5 15.Qa4 Nf6 16.Rad1 Nd5 17.Bd5 Qe7+=) 13.Bd4 Nf6 14.a3 Bf5 15.Ne3 Be4 16.Bc5 dc5 17.Qa4 Qe7=; C2) 12.Nd2 Bd7 (12...Be6 13.Ne3 Nf6 14.Bc3 a4 15.Qc2 Qd7 16.f4 Bh3 17.fe5 Bg2=; 12...a4 13.Rb1 Nf6 14.Nf6 Qf6 15.f4 Qe7 16.fe5 a3 17.Bc3 Be5+=; 12...Nf6 13.Nf6 Bf6 14.Ne4 Ne4 15.Be4 Bh3 16.Re1 Qc8 17.f4 Bf5+=; 12...c6 13.Nc3 cb5 14.Nb5 Nf6 15.Rb1 Qe7 16.a4 Bf5 17.Bc3 Bd7=) 13.Rb1 c6 14.bc6 bc6 15.Ne3 Rb8 16.Ba3 Nb7 17.Qc2 f5=; C3) 12.a3 Be6 (12...Nf6 13.d4 ed4 14.Bd4 Nd5 15.cd5 Qe7 16.Bg7 Kg7 17.Nd4 f6=; 12...e4 13.Nd4 ed3 14.ed3 Nf6 15.Nf6 Qf6 16.Rb1 Qd8 17.Qd2 Bg4+=; 12...c6 13.Ne3 cb5 14.cb5 Bd7 15.a4 Be6 16.d4 e4 17.Nd2 d5=; 12...Bf5 13.d4 ed4 14.Nd4 Be4 15.Be4 Ne4 16.f3 Nc5 17.e4 Rc8=) 13.d4 ed4 14.Bd4 Nf6 15.Ng5 Nd5 16.Ne6 fe6 17.Bg7 Ne3=; C4) 12.Rb1 Bf5 (12...c6 13.Nc3 Bf5 14.Nd2 Qd7 15.a4 Nf6 16.Ba3 Nd3 17.ed3 Bd3+=; 12...Nf6 13.d4 ed4 14.Qd4 Nh5 15.Qd2 Bf5 16.Rbe1 Nf6 17.Nd4 Be4=; 12...Be6 13.d4 ed4 14.Nd4 Bd5 15.cd5 Qg5 16.e3 Nf6 17.Re1 Re7=; 12...Ne6 13.Nd2 Bd7 14.Bc3 a4 15.a3 c6 16.Nb6 Ra7 17.Nd7 Qd7+=) 13.Ne3 Be6 14.d4 ed4 15.Nd4 Nf6 16.Ne6 fe6 17.Bd4 Nfd7=.

9.0-0 Nc5 10.a4 Nfd7 (10...Qe7 11.d3=) 11.Nd5 Ne6 12.Ra2 f5 13.e3 Covers d4+f4 (13.Bh3 Nf6=) 13...c6 14.Nc3 e4 Black wins space 15.Ne1 Ne5 16.Qe2 Nc5 17.f3?? another step towards the grave (better is 17.Nd1 Be6 18.Be5 Be5 19.Rc2–/+) 17...ef3 (better is 17...Be6 ends the debate 18.Ra1 Bc4–+) 18.Bf3 (better is 18.Nf3!? and White can hope to live 18...Nf3 19.Bf3+=) 18...Be6–/+ 19.Bd5 cd5 20.cd5 Bf7 21.d4 Ned7 22.dc5 Nc5 23.Qf3 (23.Ra1!?–/+) 23...Qe7 24.Ng2 Ne4 (better is 24...Nd3 Black missed this excellent chance 25.Ba1 Qc7–/+) 25.Ne4= fe4 26.Qd1 Bb2 27.Rb2 Qe5 Black threatens to win material: Qe5xb2 28.Rd2 Rac8 29.Rd4 (29.Nf4 Rc3 30.Rdf2 A) 30...Re3 31.Ne6 Rc3 32.Qe2+– (32.Nf8 e3 33.Rg2 Kf8+/–); B) 30...Rfc8=) 29...g5+= 30.Qg4 Bg6 ½–½. Grcic,Milan (1855) – Jovanovic,Peter (1830), ACT–ch op Kambah, 2000. (=1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 0-0 5.c4 a5 6.b5 d6)

9.0-0 Nc5 10.d4 ed4 11.Qd4 Nfe4 12.Qe3 Re8 –/+.

9.0-0 Nc5 10.d4 ed4 11.Nd4 Qe7 12.Qc2 Bd7 13.Rad1 Rae8 14.Rfe1 Qd8 15.e3 Bg4 16.f3 Bc8 17.Ba3 Nfd7 18.Nd5 f5 19.Bb2 Ne5 20.f4 Ng4 21.Bc3 a4 22.Ba5 Rf7 23.h3 Nf6 24.Nf6 Rf6= 25.Bb4 Ne4 26.g4 Rf7 27.g5 h6 28.h4 hg5= 29.hg5 Ng5? 30.fg5+/– Qg5 31.Nf3 Qh5 32.Kf2 g5 Black plans f4 33.Rh1 Qg4 Black prepares the advance f4 34.Bd2 f4 35.ef4?? Re2!!–+ 36.Ke2 Qg2 37.Ke1 Qh1 38.Kf2 Qh3 39.Qg6 Be6 40.Rg1 g4?? 41.Ng5+= Qh4 42.Rg3 Bc4 43.Nf7 Qh2 44.Rg2= g3 45.Qg3 Qg3 46.Kg3 Kf7= 47.b6 c5 48.Be3 Bf6 49.Rd2 Be7 50.f5 d5 51.Kg4 d4 52.Bf4 d3 53.Rh2 Bd5 54.Be5 Bd8 55.Rh7 Ke8 56.Bc3 Bf6 57.Bd2 c4 58.Rc7 Bd4 59.Bb4 Bb6 60.Re7 Kd8 61.f6 Bc5 62.Ba5 b6 63.Re5 ba5?? 64.Rd5+– Ke8 65.Kf5 d2 66.Ke6 d1Q 67.Rd1 c3 White now must not overlook the idea Rd5 68.f7 Kf8 69.Rd8 Kg7 70.Rg8 (70.Rg8 Kh6 71.Rc8+–) 1–0. Pithart,Frantisek – Rajkovic, CSR–ch sf Jablonec nad Nisou, 1954. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 d6 6.g3 0-0)

9.0-0 Ne8 10.d3 (10.d4 ed4 11.Nd4 Nef6=) 10...f5 (10...Nef6 11.d4=) 11.Nd2 g5 (11...f4 12.Nde4+=) 12.Rc1 (12.f4 ef4 13.gf4 gf4 14.Rf4 Nc5+=) 12...Rb8 (12...Nef6 13.Nd5=) 13.Na4 (13.f4 ef4 14.gf4 gf4+=) 13...b6 (13...Nef6 14.c5+=) 14.f4 (14.e3 Bb7+=) 14...Nef6 (14...ef4 15.gf4 Bb2 16.Nb2+=) 15.e3 (15.fe5 Ne5 16.Nc3 Qe8+=) 15...Kh8 (15...Ng4 16.Qe2+=) 16.Nf3 (16.fe5 Ne5 17.Qe2 Qe7+/–) 16...gf4 (16...g4 17.Nh4 ef4 18.ef4+=) 17.ef4 (17.gf4 ef4 18.ef4 Bb7+=) 17...ef4 18.gf4 Bb7 19.Rc2 (19.Nd4 Bg2 20.Kg2 Qe8+=) 19...Ng4 (19...Qe8 20.Nd4 Qg6 21.Kh1+=) 20.Bg7 Kg7 21.Re2 (21.Re1 Qf6 22.h3 Bf3 23.Qf3 Qd4 24.Kh1 Ngf6+=) 21...Bf3 (21...Qf6 22.h3 Bf3 23.Rf3 Qd4 24.Kh1+=) 22.Rf3 (22.Bf3 Qh4+/–) 22...Qf6 (22...Qh4 23.Rh3 Qf6 24.Bc6+=) 23.h3 (23.Qe1 Kh8+/–) 23...Qd4+= 24.Kh1 Ngf6 25.Re7 (25.Qg1 Qg1 26.Kg1 Rbe8+=) 25...Rf7 26.Qe1 Kf8 (26...Re7 27.Qe7 Kh8 28.Qe1=) 27.Re2 (27.Ree3 Nd5 28.cd5 Qa4+/–) 27...Re8 (27...d5 28.Nb2=) 28.Re8+= Ne8 29.Qc3 (29.Qg1 Qf6+=) 29...Qc3 30.Nc3 Re7 31.a4 (31.Kg1 Re1 32.Rf1 Re3=) 31...Nc5= 32.Kh2 (32.d4 Re1 33.Rf1 Rf1 34.Bf1 Ne6=) 32...Re1+= 33.Rg3 Ra1 34.Rg5 Ng7–/+ 35.d4 Nce6–+ 36.Rg3 Nf4 37.Nd5? Nfe6 38.Nf6 h6 39.Bd5 Ra4 40.Rg6 Ra2 41.Kg1 Rd2 42.Nh7 Ke7 43.Be6 Ne6 44.d5 Nd8 45.Rh6? (45.Rf6–+) 0–1. Perkins – Weichert, 1973.

9.d3 Re8 10.Nd2 (10.0-0 Nc5=) 10...Nc5 (10...Nb6 11.0-0=) 11.0-0 Bf5 (11...Ra7 12.Ba3=) 12.Nb3 (12.Ba3 Nfd7=) 12...Nb3 13.ab3 Qc8 14.Qd2 Bh3 15.Ne4 (15.e4 Bg2 16.Kg2 Qg4+=) 15...Bg2 (15...Ne4 16.de4 b6 17.Rfd1=) 16.Nf6+= Bf6 17.Kg2 b6 18.e4 Bg7 19.f4 ef4 (19...f5 20.ef5 Qf5 21.fe5+=) 20.Bg7+/– Kg7 21.Qb2 (21.Rf4 Qe6+/–) 21...Kg8 (21...f6 22.Rf4 Qe6 23.Raf1+=) 22.Rf4+/– Re7 23.Rf6 (23.Raf1 Qd7+/–) 23...Re6+= 24.Rf2 Re7 (24...c5 25.bc6 Qc6 26.Rf6+/–) 25.Qf6+/– Qe6 (25...Qe8 26.b4+=) 26.Qe6 fe6 (26...Re6 27.b4+/–) 27.b4 a4 28.Rfa2 Rf7 (28...e5 29.Ra4 Ra4 30.Ra4+/–) 29.Ra4 Raf8 30.R1a2 (30.Ra7 Kg7+–) 30...e5 31.Ra7 (31.Ra6 Kg7+/–) 31...g5 32.Ra8 (32.Rb7 g4+/–) 32...g4 (32...Rf2 33.Kh3+/–) 33.h3 (33.R8a7 Kg7+/–) 33...Rf2 34.Rf2 gh3 35.Kh3 Ra8 36.Kg4 Ra3 37.Rf3 Ra1 38.Kf5 Kf7 39.Kg5 Kg7+= 40.Kf5 Kf7+/– 41.Rf2 h6 42.Kg4 Kg6+= ½–½. Csom,Istvan – Djurhuus,Rune, Gausdal, 1993. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6 7.Bg2 e5 8.Nc3 Nbd7)

11.Rb1 a4 A) 12.Nd2 Kh7 (12...Bf5 13.Ba3 Nfd7 14.Nde4 Ne4 15.Ne4 Qe7 16.Nc3 Rfb8 17.Bc1 Nc5+=; 12...a3 13.Bc1 Bf5 14.Nb3 Nfd7 15.Be3 Qb8 16.Nc5 Nc5 17.Qd2 h5+/– 1.03; 12...Kh8 13.f4 ef4 14.Rf4 Re8 15.a3 Qe7 16.Nf1 Ne6 17.Rf3 Nc5+=; 12...Qe7 13.Ba3 Ne6 14.Rb4 Ng5 15.Bc1 e4 16.Ra4 Ra4 17.Qa4 Bh3+=) 13.Qc2 a3 14.Bc1 Re8 15.Nb3 Ne6 16.Ne4 Ne4 17.Be4 f5=; B) 12.Bc1 e4 (12...Re8 13.Nd2 Qe7 14.Ba3 Nfd7 15.Bc5 Nc5 16.Nd5 Qd8 17.b6 cb6+=) 13.de4 Nfe4 14.Ne4 Ne4 15.Bb2 Nc3 16.Bc3 Bc3 17.Qd3 Bg7=; C) 12.a3 Qe7 (12...Bg4 13.Nd2 Qc8 14.f3 Be6 15.Nde4 Nfe4 16.Ne4 Ne4 17.fe4 Bg4=; 12...Bf5 13.Bc1 Nfd7 14.Nd2 Be6 15.Nde4 Ne4 16.Ne4 d5 17.Nc3 dc4+=; 12...Re8 13.Nd2 Qe7 14.Nde4 Nfe4 15.Ne4 Ne4 16.Be4 f5 17.Bd5 Kh7+= ; 12...Be6 13.Bc1 e4 14.Nd4 ed3 15.ed3 Bg4 16.f3 Bc8 17.Be3 Re8=) 13.Bc1 e4 14.de4 Nce4 15.Bb2 Bf5 16.Rc1 Nc3 17.Bc3 Be4=; D) 12.Ba3 Nfd7 (12...e4 13.Ne1 ed3 14.Nd3 Nd3 15.ed3 Re8 16.Na4 Ng4 17.Bb2 Ne5+=) 13.e3 Nb6 14.Qe2 f5 15.d4 Ne4 16.Ne4 fe4 17.Ne5 de5+=.

11.Rb1 Qe7 A) 12.a4 Re8 (12...Rb8 13.Ba3 Rd8 14.b6 c6 15.Bc5 dc5 16.Qd2 e4 17.Qe3 Bf5=; 12...Bg4 13.Ba3 Rad8 14.Nd2 b6 15.Qc2 Qd7 16.Bc5 dc5 17.Rbd1 Bh3=; 12...Rd8 13.Qd2 Be6 14.Ba3 Nfd7 15.Qe3 Re8 16.Nd2 f5 17.Nd5 Qd8=; 12...Bf5 13.Nd2 Rab8 14.Nb3 Nb3 15.Qb3 Be6 16.Nd5 Bd5 17.cd5 Nd7+=) 13.Qc2 e4 14.de4 Nce4 15.Ne4 Qe4 16.Qb3 Qe7 17.Nd4 Ne4=; B) 12.Ba3 e4 13.de4 Nce4 14.Ne4 Ne4 15.Bb2 Nc3 16.Bc3 Bc3 17.b6 c6=; C) 12.Nd2 Kh7 (12...Bf5 13.Ba3 Nfd7 14.Nd5 Qd8 15.f4 ef4 16.Rf4 Re8 17.Nf1 Be6+=; 12...Rb8 13.Nb3 Nb3 14.Qb3 Re8 15.Qa4 Ra8 16.e4 Bg4 17.f3 Be6+=; 12...Re8 13.Nde4 Nfe4 14.Ne4 Ne6 15.e3 a4 16.a3 Ng5 17.Ng5 Qg5+= ; 12...Ra7 13.Ba3 Bg4 14.b6 cb6 15.Rb6 Qc7 16.Qb1 Rb8 17.Qb2 Ra6+=) 13.Ba3 Ne6 14.b6 c6 15.Qa4 Bd7 16.e3 Ng5 17.h4 Ne6=; D) 12.Qc2 Re8 (12...a4 13.Nd2 a3 14.Bc1 Ne6 15.e3 Nc5 16.Nde4 Nfe4 17.Ne4 Ne4+=; 12...Bg4 13.Nd2 Rab8 14.e4 Ne6 15.f3 Nd4 16.Qa4 Be6 17.Nd5 Bd5+=; 12...Bd7 13.Nd2 c6 14.Ba3 Ne6 15.Nde4 Ne8 16.Qa4 Ra7 17.e3 f5=; 12...Rb8 13.Na4 e4 14.Nd2 ed3 15.ed3 Ne6 16.Rfe1 Re8 17.Nb3 b6+= ) 13.Nd2 Ne6 14.e3 Ng5 15.Kh1 Bh3 16.Bb7 Bf1 17.Ba8 Bd3=.

11.Rb1 Re8 A) 12.Qd2 Be6 (12...e4 13.de4 Nfe4 14.Ne4 Ne4 15.Qc1 Bb2 16.Qb2 Bf5 17.Nd4 Qf6=; 12...Bf5 13.Nh4 Be6 14.Ba3 Nfd7 15.Qe3 Qg5 16.Nd5 Qe3 17.fe3 Rac8=; 12...a4 13.a3 Be6 14.Rfd1 Qe7 15.e3 Bf5 16.e4 Bg4 17.h3 Be6= ; 12...Bg4 13.Rfd1 a4 14.h3 Be6 15.a3 Qd7 16.Kh2 e4 17.Nd4 Re7= ) 13.Rfd1 a4 14.a3 Qe7 15.Re1 Qd7 16.e4 Bg4 17.Qe3 Nb3=; B) 12.a4 Bg4 (12...Rb8 13.Qc2 Qe7 14.Rfe1 Bg4 15.h3 Bf5 16.e4 Be6 17.Nd5 Qd7+=; 12...Qe7 13.Nd2 Rb8 14.Ba3 Be6 15.Bc5 dc5 16.Qc2 Red8 17.Nb3 b6=; 12...Bf5 13.Nd2 e4 14.Nde4 Nfe4 15.de4 Ne4 16.Nd5 Bb2 17.Rb2 c6=; 12...Be6 13.Nd2 Rb8 14.Nd5 Nfd7 15.Bc3 c6 16.Ne3 Rc8 17.Qc2 Qc7= ) 13.Ba3 e4 14.Bc5 dc5 15.de4 Ne4 16.Ne4 Re4 17.Qc2 Qe7=; C) 12.Qc2 a4 (12...Bg4 13.Nd2 Ra7 14.a4 Qd7 15.Ba3 Ne6 16.e3 Nc5 17.Bc5 dc5+=; 12...Qe7 13.Nd2 Bf5 14.Ba3 Nfd7 15.Nd5 Qd8 16.Bc5 Nc5 17.b6 cb6+=; 12...Be6 13.Nd2 Ra7 14.Ba3 Ncd7 15.Rfe1 Qe7 16.b6 Nb6 17.Nb5 Raa8+=; 12...Ra7 13.a4 Bg4 14.Ba3 Nfd7 15.Nd5 Ne6 16.Qd2 f5 17.h3 Bf3+= ) 13.a3 Be6 14.Nd2 Qd7 15.f4 Bh3 16.e4 Bg2 17.Kg2 Ng4=; D) 12.Nd2 Ng4 (12...Ne6 13.a4 Rb8 14.Nd5 Nd5 15.cd5 Ng5 16.Nc4 Nh3 17.Kh1 Ra8+=; 12...Rb8 13.Nb3 Nb3 14.Qb3 Ra8 15.e4 Nh5 16.Qa4 Bd7 17.Ne2 Qb8+=; 12...Qe7 13.Nde4 Nfe4 14.Ne4 Ne4 15.Be4 Kh7 16.e3 f5 17.Bg2 a4= ; 12...Re6 13.Nde4 Nce4 14.Ne4 a4 15.a3 Nd7 16.f4 ef4 17.Bg7 Kg7+=) 13.Qc2 f5 14.a3 Nf6 15.e3 Qe7 16.d4 Ncd7 17.Qb3 Kh7=.

11.Nd2 Qd7 A) 12.Nde4 Nce4 (12...Nfe4 13.Ne4 Ne4 14.Be4 c6 15.Qa4 cb5 16.Qb5 Qb5 17.cb5 a4=) 13.Ne4 Ne4 14.Be4 c6 15.bc6 bc6 16.Qa4 Ra6 17.e3 Rd8=; B) 12.Nce4 Nfe4 (12...Nce4 13.Ne4 Ne4 14.Be4 c6 15.bc6 bc6 16.Qa4 Ra6 17.e3 Rd8=) 13.Ne4 Ne4 14.Be4 f5 15.Bd5 Kh7 16.a4 c6 17.Bg2 f4=; C) 12.Qc2 Re8 (12...Rd8 13.f4 ef4 14.Rf4 Ne6 15.Bh3 Nh5 16.Be6 Qe6 17.Rf3 Nf6=; 12...c6 13.Nb3 Ne6 14.Na4 Qc7 15.b6 Qe7 16.Bc3 Ra6 17.Na5 Re8+=; 12...Qe6 13.Nb3 Nb3 14.ab3 Qg4 15.b4 a4 16.Na4 Qh5 17.Nc3 Ng4+/– 1.00; 12...Qe7 13.Nde4 Nfe4 14.Ne4 Ne4 15.Be4 f5 16.Bd5 Kh7 17.f4 ef4=) 13.Nde4 Nfe4 14.Ne4 Ne4 15.Be4 c6 16.bc6 bc6 17.Qa4 Ra6= ; D) 12.f4 ef4 13.Rf4 Qe8 14.Rb1 g5 15.Rf1 Ng4 16.Nd5 Bb2 17.Rb2 c6=.

11.Nd2 Be6 12.Nb3 (12.Na4 Nfd7 13.Nc5 Nc5 14.f4 f5 15.a4 Re8 16.Qc2 Qe7 17.Rab1 e4= ; 12.Rb1 Ra7 (12...Qb8 13.a4 Qa7 14.Nd5 Nd5 15.cd5 Bd7 16.Nc4 f5 17.e3 Rf7+=; 12...Nfd7 13.a4 f5 14.f4 Nb6 15.fe5 de5 16.Ba3 Qd4 17.Rf2 e4=; 12...Re8 13.Na4 Na4 14.Qa4 Nd7 15.Qc2 Nc5 16.f4 Bf5 17.fe5 de5+=; 12...Qc8 13.Nde4 Nfe4 14.Ne4 Ne4 15.Be4 Bf5 16.Bd5 Bh3 17.Re1 c6=) 13.b6 cb6 14.Nb5 Ra8 15.a3 Bd7 16.d4 ed4 17.Bd4 Bc6=; 12.Qc2 Re8 (12...Nfd7 13.e3 a4 14.a3 Re8 15.f4 ef4 16.Rf4 Bf5 17.Rf5 gf5+=; 12...Qd7 13.Ba3 Ra7 14.Bc5 dc5 15.Rab1 Re8 16.b6 cb6 17.Rb6 Bh3+=; 12...Qb8 13.f4 Ng4 14.Nd1 Nd7 15.fe5 Qa7 16.Kh1 de5 17.h3 Ne3+=; 12...Ra7 13.Nb3 Nfd7 14.b6 Ra6 15.Nc5 Nc5 16.bc7 Qc7 17.Rab1 Rb6+=) 13.Nde4 Nfe4 14.Ne4 Ne4 15.Be4 d5 16.cd5 Bd5 17.Rac1 c6=) 12...Nfd7 (12...Nb3 13.Qb3 Nd7 14.Qc2 Rb8 15.e3 Re8 16.f4 f5 17.Na4 Nf6+=) 13.Nc5 Nc5 14.Ba3 (14.Na4 Na4 15.Qa4 Qc8+= (15...Qb8 16.f4 Qa7 17.Kh1 f5+=) 16.f4 Bh3 17.fe5 Bg2=) 14...e4= 15.Ne4 (15.Rc1 ed3 16.ed3 Rb8 17.d4 Bc4+/–) 15...Ne4 16.Be4 Rb8 (16...Bh3!? 17.Re1 Ba1 18.Qa1 Bc8+=; 16...Ba1 17.Qa1 Bh3+=) 17.Rb1 Bh3 18.Bg2 Bg2 19.Kg2 Re8 20.e4 c6 21.Qa4 d5 (21...Rc8 22.bc6 bc6 23.Rb7+/–) 22.bc6 de4 23.de4 Re4 24.cb7 Qc7 25.Qb5 Rc4? (better is 25...Rd4+–) 26.Bd6!! Rb7 (26...Qd6 27.Qb6) 27.Qe8 (27.Qe8 Kh7 28.Bc7 Rbc7 29.Rfe1+–; 27.Qb7?! Qd6 28.Qa8 Kh7 29.Qa5 Qc6 30.Kg1 Ra4+–) 1–0. Mastrovasilis,A (2485) – Bakalarz,M (2330), 5th IECC, Antalya TUR, 2004. (=1.Nf3 Nf6 2.g3 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.c4 d6 7.Bg2 e5 8.Nc3 Nbd7)

11.Nd2 Qe7 A) 12.Qc2 Kh7 (12...Ra7 13.e4 Re8 14.f4 ef4 15.Rf4 Ne6 16.Rff1 Nd4 17.Qd1 Bg4=; 12...Rd8 13.Nde4 Nfe4 14.Ne4 Ne4 15.Be4 Bh3 16.Bb7 Ra7 17.Bg2 Bg2+/–; 12...Re8 13.Nde4 Nfe4 14.Ne4 Ne6 15.e3 c6 16.Ba3 Rd8 17.Rfb1 Qc7=; 12...Kh8 13.e3 a4 14.Ba3 Nfd7 15.Nd5 Qd8 16.Rab1 Ne6 17.Rb4 Nec5+= ) 13.e4 a4 14.a3 c6 15.Rae1 Nh5 16.Ne2 cb5 17.cb5 Bd7= ; B) 12.Qc1 Ne6 (12...a4 13.Qc2 Re8 14.Ba3 Ne6 15.e3 Ng5 16.Na4 e4 17.de4 Nge4+=; 12...Re8 13.Qc2 Bf5 14.e4 Bd7 15.f4 a4 16.fe5 de5 17.Ba3 Bf8=; 12...Rd8 13.Qc2 Ne6 14.e3 Nc5 15.Rae1 Bf5 16.e4 Bg4 17.f3 Be6+=) 13.e3 Ng5 14.Nd5 Nd5 15.Bd5 Qd7 16.f4 c6 17.bc6 bc6=.

11.Nd2 Re8 A) 12.Rb1 Bg4 13.Nde4 Nfe4 14.Ne4 Ne4 15.Be4 Bh3 16.Re1 Qc8 17.e3 Bf5=; B) 12.Nce4 Nfe4 (12...Nce4 13.Ne4 Ne4 14.Be4 a4 15.e3 Ra7 16.a3 Bh3 17.Re1 Be6=; 12...Ne6 13.e3 Ne4 14.Ne4 a4 15.a3 f5 16.Nc3 Nc5 17.Rb1 Kh7+=; 12...Ncd7 13.Nf6 Nf6 14.Ne4 a4 15.Nf6 Bf6 16.f4 a3 17.Bc3 Ra7+=) 13.Ne4 Ne4 14.Be4 Bh3 15.Re1 Qc8 16.Qa4 Bf5 17.Bd5 Be6=; C) 12.Qc2 Nfd7 (12...Qe7 13.Nde4 Nfe4 14.Ne4 Ne6 15.e3 c6 16.Ba3 Rd8 17.Rfb1 Qc7=; 12...Ne6 13.e3 Ng5 14.Nde4 Nge4 15.Ne4 Ne4 16.Be4 Bh3 17.Rfd1 Ra7+=; 12...Ra7 13.Ba3 Ne6 14.b6 Ra6 15.bc7 Qc7 16.Rfb1 Ng5 17.Qb2 Re7+=; 12...Nh7 13.Rab1 Ng5 14.Nde4 Nce4 15.Ne4 Ne6 16.e3 f5 17.Nc3 Nc5+= ) 13.Rae1 a4 14.a3 Nf6 15.e3 Bf5 16.e4 Bg4 17.h3 Be6=; D) 12.Nde4 Nfe4 (12...Ne6 13.Nf6 Qf6 14.e3 Qd8 15.Rb1 Kh7 16.Nd5 c6 17.Nc3 Qd7+=) 13.Ne4 Ne6 14.e3 a4 15.a3 f5 16.Nc3 Nc5 17.Rb1 Kh7+=.

8.Na3 Qc8 A) 9.Ng5 Bd7 (9...Bf5 10.h3 Bd7 11.Qb3 c6 12.Ne4 Ne4 13.Bg7 Kg7+=; 9...Bg4 10.h3 Bd7 11.Qb3 c6 12.Ne4 Ne4 13.Bg7 Kg7+=) 10.0-0 h6 11.Ne4 Bh3 12.Nf6 ef6 13.e3 Bg2= ; B) 9.0-0 Bh3 (9...h6 10.Bf6 Bf6 11.d4 Bh3 12.Qd2 Bg2 13.Kg2 Bg7=; 9...Bf5 10.Nc2 Bh3 11.Ne3 Bg2 12.Kg2 Nbd7 13.Rb1 h6=) 10.d3 Bg2 11.Kg2 Nbd7 12.Qd2 e5 13.Ng5 h6+=; C) 9.h4 Nbd7 (9...h6 10.h5 g5 11.d3 g4 12.Nd2 Bf5 13.Nc2 e5= ; 9...Bg4 10.Nc2 a4 11.Ne3 Bh5 12.Nh2 e5 13.f3 e4+/–) 10.h5 Nh5 11.Bg7 Kg7 12.Qb3 Ndf6 13.Nd4 Bd7= ; D) 9.h3 Rd8 (9...Bd7 10.d3 a4 11.Rc1 e5 12.c5 e4 13.de4 dc5+/–; 9...a4 10.d3 c6 11.Qd2 Re8 12.Rc1 Bd7 13.g4 e5+= ) 10.d3 d5 11.Rc1 a4 12.Qc2 c6 13.Ng5 h6+=.

8.Na3 d5 A) 9.Rc1 dc4 (9...a4 10.0-0 dc4 11.Nc4 c6 12.bc6 Nc6 13.a3 b5=; 9...Nbd7 10.Nd4 Nc5 11.0-0 Bg4 12.d3 e5 13.cd5 ed4+=) 10.Nc4 c6 11.Qa4 Bd7 12.b6 Be6 13.Rb1 Qd5= ; B) 9.d3 c6 (9...c5 10.0-0 h6 11.cd5 Bd5 12.Qc2 Qb6 13.e4 Be6+/– ; 9...dc4 10.Nc4 Nbd7 11.0-0 Bd5 12.Qc2 c6 13.e4 Bc4+=) 10.Nd4 Qc8 11.Ne6 Qe6 12.Rc1 dc4 13.Rc4 Nbd7+= ; C) 9.Nd4 Bc8 (9...Qd6 10.Qc2 c6 11.0-0 Qd7 12.Ne6 Qe6 13.Rab1 Nbd7+=; 9...Qd7 10.Ne6 Qe6 11.Qb3 a4 12.Qe3 Qd6 13.Be5 Qd8+=) 10.0-0 e5 11.Ndc2 Re8 12.cd5 Nd5 13.Ne3 Be6+=; D) 9.0-0 dc4 10.Qa4 Qd6 11.Nc4 Qb4 12.Qb4 ab4 13.Rfc1 Rd8+=.

8.Na3 Bf5 A) 9.Nh4 Bc8 10.0-0 e5 11.Nc2 Nbd7 12.Ne3 Re8 13.Qc2 Nc5= ; B) 9.d3 Re8 (9...e5 10.0-0 Re8 11.Nd2 Qc8 12.e4 Bh3 13.Rb1 Bg2+=; 9...Qc8 10.h3 Bd7 11.Rc1 a4 12.g4 Be6 13.Qd2 c5+=) 10.0-0 e5 11.Qd2 h6 12.e4 Be6 13.Ne1 Nfd7= ; C) 9.0-0 Qc8 (9...Re8 10.d3 e5 11.Qd2 h6 12.Ne1 Bc8 13.e4 Nfd7+=; 9...e5 10.Nc2 Qc8 11.d4 ed4 12.Bd4 Bh3 13.Ne3 Bg2=) 10.Nc2 Bh3 11.Ne3 Bg2 12.Kg2 Nbd7 13.Qc2 c6= ; D) 9.Nd4 Bc8 10.f4 Nbd7 11.0-0 e6 12.Qc2 a4 13.Nf3 Re8+=.

8.Na3 h6 A) 9.h3 a4 (9...Qc8 10.g4 Rd8 11.g5 hg5 12.Ng5 c6 13.Rc1 Bf5+= ; 9...Re8 10.d3 Bc8 11.0-0 e5 12.c5 Nbd7 13.cd6 cd6+= ) 10.Qc2 Qc8 11.d3 c6 12.g4 d5 13.cd5 Bd5= ; B) 9.0-0 Qc8 (9...Re8 10.Qc2 Qc8 11.e4 Bh3 12.d4 c5 13.Bh3 Qh3+=) 10.Bf6 Bf6 11.d4 Bh3 12.Qd2 Bg2 13.Kg2 Bg7= ; C) 9.d3 Re8 (9...Bc8 10.Qc2 Nbd7 11.0-0 e5 12.Nb1 Nc5 13.Nfd2 Ne6=; 9...Qc8 10.h3 d5 11.Nd4 a4 12.Qd2 Rd8 13.Qe3 Rd6+=) 10.Qc2 a4 11.h3 Bc8 12.0-0 e5 13.b6 c5=; D) 9.Nd4 Bc8 10.f4 Nbd7 11.0-0 Re8 12.f5 e5 13.fe6 fe6+=.

8.Qa4 Qc8 A) 9.h4 Nbd7 (9...Bg4 10.Nc3 Nbd7 11.d3 Nc5 12.Qc2 h6 13.Nd2 a4=) 10.d3 Bg4 11.Nc3 Nc5 12.Qc2 h6 13.Nd2 a4= ; B) 9.Ng5 Bf5 (9...Bd7 10.Nc3 h6 11.Nge4 Bh3 12.Nf6 Bf6 13.Bf3 c6=; 9...Bg4 10.h3 Bd7 11.Nc3 h6 12.Nge4 Ne4 13.Be4 Be6=) 10.0-0 h6 11.Nf3 Bh3 12.Nc3 Qg4 13.Nd1 Bg2+= ; C) 9.0-0 Bh3 (9...Nbd7 10.Qc2 Nc5 11.Nh4 Bh3 12.d4 g5 13.Nf3 Bg2=) 10.Bf6 Bf6 11.d4 g5 12.e3 Bg2 13.Kg2 g4+= ; D) 9.h3 Nbd7 (9...Rd8 10.d3 Nbd7 11.Qc2 Nc5 12.g4 c6 13.Nc3 cb5=; 9...Bd7 10.g4 Na6 11.Nc3 Nc5 12.Qc2 Ne6 13.e3 c6=) 10.Qc2 c6 11.bc6 Qc6 12.d3 b5 13.0-0 Rac8=.

8.Qa4 Nbd7 A) 9.d3 Qc8 (9...Nc5 10.Qc2 Qd7 11.h3 c6 12.Nc3 a4 13.Rb1 a3+= ; 9...c6 10.bc6 Nc5 11.Qa3 bc6 12.Nd4 Ra6 13.Bc6 Bh3+=) 10.Qc2 Nc5 11.h3 Bd7 12.Nc3 e5 13.g4 Ne6= ; B) 9.Nd4 Nc5 (9...Nb6 10.Qc2 Bc8 11.0-0 e5 12.Nf3 Re8 13.d3 e4=) 10.Qc2 Bd7 11.0-0 Qc8 12.Nc3 Bh3 13.f4 Bg2= ; C) 9.Qc2 Bf5 (9...Qc8 10.Ng5 c6 11.Ne6 fe6 12.Na3 Qc7 13.0-0 Rac8+=; 9...Nc5 10.d3 Qd7 11.h3 c6 12.Nc3 a4 13.Rb1 a3+=) 10.d3 Nb6 11.Nh4 Bc8 12.0-0 e5 13.Nc3 Nfd7=.

8.Qa4 Bf5 A) 9.Nd4 Bc8 (9...Nfd7 10.Qb3 a4 11.Qe3 Nb6 12.d3 Bc8 13.0-0 e5+=; 9...Be4 10.f3 Bb1 11.Rb1 Nbd7 12.e4 Nb6 13.Qc2 e5+=) 10.0-0 e5 11.Nb3 Nbd7 12.d3 e4 13.Nc3 Re8= ; B) 9.0-0 Qc8 10.Nc3 Bh3 11.Rfc1 Qg4 12.Rab1 Bg2 13.Kg2 Nbd7= ; C) 9.Nc3 Nbd7 (9...Qc8 10.0-0 Bh3 11.Rfc1 Qg4 12.Rab1 Bg2 13.Kg2 Nbd7=; 9...Ne4 10.Qa3 Nc3 11.Bc3 e5 12.0-0 Be6 13.d3 Nd7+=) 10.Qa3 Nb6 11.d3 Qc8 12.c5 dc5 13.Qc5 Bh3=; D) 9.Nh4 Bc8 10.0-0 Nbd7 11.d3 e5 12.Nc3 Re8 13.Qc2 Qe7=.

8.Qa4 Bg4 A) 9.h3 Be6 (9...Bf5 10.d3 Nbd7 11.0-0 e5 12.Qc2 Nc5 13.Nfd2 g5+=; 9...Bf3 10.Bf3 Qc8 11.Bg2 Nbd7 12.0-0 Nb6 13.Qc2 c6+=) 10.d3 Qc8 11.Nd4 Bd7 12.Nc3 e5 13.Nb3 Be6=; B) 9.d3 e5 (9...Qc8 10.h3 Bd7 11.Nbd2 Rd8 12.g4 Nh5 13.Bg7 Ng7+=; 9...Nbd7 10.h3 Nb6 11.Qc2 Bd7 12.0-0 h6 13.Nc3 Qc8+=) 10.h3 Bf3 11.Bf3 e4 12.de4 Ne4 13.Qc2 Bb2= ; C) 9.0-0 Qd7 (9...Nbd7 10.Qc2 Nc5 11.h3 Bf5 12.d3 e5 13.Nfd2 g5+=; 9...Qc8 10.Nc3 Bh3 11.Rfc1 Qg4 12.Rab1 Bg2 13.Kg2 Nbd7=) 10.Rc1 Bh3 11.Nc3 Qg4 12.Bh3 Qh3 13.Rab1 e6=; D) 9.Nc3 Ne4 (9...Qc8 10.h3 Bf3 11.Bf3 Nbd7 12.d3 Nc5 13.Qc2 a4+=; 9...Nbd7 10.Qc2 Nb6 11.d3 Qc8 12.h3 Be6 13.g4 c5+=) 10.Qc2 Nc5 11.0-0 Nbd7 12.d3 e5 13.Rae1 Be6+=.

8.Qa4 h6 9.Nd4 (9.0-0 Qc8 10.Rc1 Bh3 11.c5 dc5 12.Rc5 Bg2 13.Kg2 Nbd7+=) 9...Bc8 10.f4 c5 11.Nf3 Qd7 12.0-0 Qe6 13.Na3 Nbd7 =.

8.Qc2 A) 8...Qc8 A1) 9.Ng5 Bf5 (9...c6 10.Ne6 Qe6 11.Na3 d5 12.0-0 Nbd7 13.d3 Rfc8+=; 9...Bg4 10.0-0 c6 11.Nc3 h6 12.Nge4 Bh3 13.Nf6 Bf6=) 10.e4 Bd7 11.0-0 h6 12.Nf3 Bh3 13.Re1 c6=; A2) 9.h3 c6 (9...Bf5 10.d3 e5 11.Nc3 Nbd7 12.0-0-0 Qb8 13.g4 Be6+=; 9...a4 10.d3 c6 11.Na3 cb5 12.Nb5 Nc6 13.Rb1 d5+=) 10.Nc3 a4 11.a3 cb5 12.cb5 Bb3 13.Qd3 Bc4+= ; B) 8...Qd7 B1) 9.h4 Bg4 (9...c6 10.h5 Nh5 11.Bg7 Ng7 12.Qa4 d5 13.cd5 Bd5=) 10.Nc3 c6 11.d3 cb5 12.Nb5 Nc6 13.Rb1 Rfd8= ; B2) 9.Ng5 c6 10.Na3 h6 11.Ne6 Qe6 12.0-0 Rc8 13.Rab1 Nbd7+= ; B3) 9.Nd4 c6 10.Ne6 Qe6 11.Na3 Nbd7 12.bc6 bc6 13.Bc6 Rac8+= ; C) 8...c6 C1) 9.Na3 Qc8 (9...h6 10.0-0 Qc8 11.Rfe1 Bh3 12.e4 Bg2 13.Kg2 Nbd7=; 9...Qd7 10.Ng5 Rc8 11.Rb1 h6 12.Ne6 Qe6 13.h4 Nh5+=) 10.Ng5 Bf5 11.e4 Bd7 12.Rc1 cb5 13.Nb5 Qc5+=; C2) 9.a4 Qc8 (9...cb5 10.ab5 Qc8 11.d3 Bh3 12.0-0 Qg4 13.Bh3 Qh3=) 10.Ng5 Bf5 11.e4 Bd7 12.0-0 cb5 13.ab5 h6+= ; C3) 9.bc6 Nc6 10.0-0 d5 11.d3 dc4 12.dc4 Qc8 13.Nbd2 Rd8= ; C4) 9.0-0 cb5 (9...Qc8 10.Nc3 Bh3 11.bc6 bc6 12.Ne4 Bg2 13.Kg2 Nbd7=; 9...Qd7 10.Qa4 Bh3 11.d3 Bg2 12.Kg2 Rc8 13.Nc3 Qf5=) 10.cb5 Nbd7 11.d3 Qb6 12.Nc3 Rfc8 13.Qd2 a4=.

8.d3 c6 A) 9.Nc3 a4 (9...Qc8 10.Na4 Nbd7 11.bc6 bc6 12.0-0 Ra6 13.Rb1 Bg4+=; 9...d5 10.Ng5 Qd6 11.bc6 bc6 12.0-0 dc4 13.Nb5 cb5=) 10.a3 d5 11.cd5 Nd5 12.Qd2 Qa5 13.Rc1 cb5+= ; B) 9.bc6 bc6 (9...Nc6 10.0-0 d5 11.Ng5 Qd6 12.Na3 dc4 13.dc4 Qc5=) 10.0-0 Qd7 11.Ng5 Bg4 12.h3 h6 13.hg4 hg5= ; C) 9.Qd2 d5 (9...cb5 10.cb5 Nbd7 11.Na3 Nc5 12.0-0 Qd7 13.Ng5 h6+=; 9...Qd7 10.Nc3 cb5 11.Nb5 Nc6 12.Ng5 d5 13.Rc1 Nb4+=) 10.cd5 Bd5 11.Nc3 cb5 12.Nd5 Qd5 13.0-0 b4= ; D) 9.Na3 h6 (9...d5 10.Nd4 Qc8 11.Ne6 Qe6 12.Rc1 Nbd7 13.0-0 dc4+=; 9...Qc8 10.h3 cb5 11.Nb5 d5 12.Nfd4 dc4 13.Ne6 fe6+=) 10.0-0 Qc8 11.Qd2 Bh3 12.Bf6 ef6 13.Qf4 Re8=.

8.d3 Qc8 A) 9.Ng5 Bd7 (9...Bf5 10.e4 Bd7 11.f4 c6 12.bc6 Qc6 13.Nf3 b5=; 9...Bg4 10.h3 Bd7 11.Nc3 h6 12.Nf3 Be6 13.g4 Nh7+=) 10.0-0 Re8 11.f4 h6 12.Ne4 Ne4 13.Bg7 Ng3+= ; B) 9.h3 c6 (9...a4 10.Nd4 Bd7 11.Nc3 e5 12.Nc2 Be6 13.a3 Nbd7+=; 9...Rd8 10.Nc3 d5 11.cd5 Nd5 12.Nd5 Bd5 13.Bg7 Kg7+=) 10.Nc3 d5 11.cd5 Nd5 12.Nd5 Bd5 13.Bg7 Kg7=.

8.d3 d5 A) 9.0-0 a4 (9...c6 10.Na3 dc4 11.dc4 Qc8 12.Qb3 a4 13.Qe3 cb5+=; 9...dc4 10.Nd4 Bc8 11.dc4 Qd6 12.Qc2 c5 13.bc6 Nc6=) 10.cd5 Bd5 11.Qc1 c6 12.Nc3 cb5 13.Nd5 Qd5= ; B) 9.Nbd2 c6 (9...dc4 10.Nc4 c6 11.Qa4 Bd7 12.b6 Bg4 13.0-0 Nbd7+=; 9...h6 10.0-0 c5 11.cd5 Bd5 12.Nc4 Nbd7 13.Qc2 a4+=) 10.a4 dc4 11.Nc4 cb5 12.ab5 Bc4 13.dc4 Qc7=; C) 9.Nd4 Bc8 (9...Qc8 10.Ne6 Qe6 11.cd5 Nd5 12.Bg7 Kg7 13.Qd2 Qf6=; 9...Qd7 10.Ne6 Qe6 11.cd5 Nd5 12.Bg7 Kg7 13.Qd2 Qf6=) 10.0-0 dc4 11.dc4 Qd6 12.Qc2 c5 13.bc6 Nc6=; D) 9.Na3 c6 (9...dc4 10.Nc4 c6 11.Qa4 Qe8 12.bc6 Qc6 13.Qc6 Nc6+=; 9...Qd6 10.0-0 Nbd7 11.Qc2 c6 12.Nd4 Rab8 13.Rac1 Rbc8+=) 10.Nd4 Qc8 11.Ne6 Qe6 12.Rc1 Nbd7 13.Qd2 Nh5+=.

8.Na3 Re8 A) 9.d3 h6 (9...Bc8 10.0-0 Nbd7 11.Nc2 e5 12.Nd2 h6 13.Rb1 Nc5=; 9...Bg4 10.h3 Bc8 11.0-0 Nbd7 12.Nc2 e5 13.Ne3 Nc5+=) 10.Qc2 a4 11.h3 Bc8 12.0-0 e5 13.Nd2 Nbd7= ; B) 9.Qc2 Qc8 (9...Bf5 10.d3 Qc8 11.h3 e5 12.g4 Be6 13.Ng5 Nbd7+=; 9...Bg4 10.h3 Bf5 11.d3 e5 12.0-0 Nbd7 13.g4 Be6+=) 10.h3 Bf5 11.d3 e5 12.e4 Be6 13.0-0-0 Nbd7= ; C) 9.0-0 h6 (9...Qc8 10.Ng5 Bf5 11.d4 d5 12.cd5 h6 13.e4 hg5+= ) 10.Qc2 Qc8 11.e4 Bh3 12.Rae1 Bg2 13.Kg2 c5=; D) 9.h3 Bc8 (9...h6 10.0-0 Bc8 11.d4 Be6 12.Qd2 Qc8 13.g4 a4+= ; 9...Bf5 10.Nc2 c6 11.Ne3 cb5 12.Nf5 gf5 13.Nd4 Ne4+=) 10.d4 e5 11.de5 Nfd7 12.Rc1 de5 13.0-0 e4+=.

8.d3 Bf5 A) 9.Nbd2 h6 (9...Qc8 10.h3 e5 11.Qc2 Nbd7 12.0-0 Nc5 13.g4 Bd7=; 9...a4 10.Nd4 Bc8 11.0-0 Nbd7 12.a3 Re8 13.Rb1 e5+=) 10.e4 Bc8 11.0-0 e5 12.Qc2 Nbd7 13.Rfe1 Qe7= ; B) 9.0-0 Qc8 (9...a4 10.Nd4 Bc8 11.Nd2 Nbd7 12.a3 Re8 13.Rb1 e5+=; 9...c6 10.Nc3 Qc8 11.Na4 Qc7 12.Nd4 Bc8 13.bc6 bc6+=) 10.Nc3 Bh3 11.Nd5 Nd5 12.Bg7 Bg2 13.Kg2 Kg7+= ; C) 9.Nc3 Qc8 (9...h6 10.0-0 Qc8 11.Nd5 Nd5 12.Bg7 Kg7 13.cd5 e5+/–; 9...c6 10.Nd4 Bd7 11.0-0 Qc8 12.Na4 Qc7 13.f4 c5+=) 10.0-0 Bh3 11.Nd5 Nd5 12.Bg7 Bg2 13.Kg2 Kg7+= ; D) 9.Nd4 Bc8 10.0-0 Nbd7 11.Nc3 Re8 12.Rb1 h6 13.Qd2 Nb6+=.

8.d3 h6 A) 9.Nd4 c6 (9...Bc8 10.0-0 a4 11.a3 d5 12.Nd2 Re8 13.N4f3 Nbd7+=) 10.Nc3 Qc8 11.Ne6 Qe6 12.0-0 Rc8 13.Qd2 d5+= ; B) 9.Nbd2 c6 (9...a4 10.Rc1 Qc8 11.h3 c5 12.a3 Nbd7 13.Qc2 Nb6+=; 9...Qc8 10.h3 a4 11.Rc1 a3 12.Bc3 c5 13.Qc2 Nbd7=) 10.Qa4 Qd7 11.0-0 Bh3 12.Rab1 Bg2 13.Kg2 c5= ; C) 9.0-0 Qc8 (9...a4 10.Nd4 Bc8 11.a3 d5 12.Nd2 Re8 13.N4f3 Nbd7+=; 9...Bc8 10.Nc3 Nbd7 11.Qc2 Re8 12.Rab1 Nb6 13.Nd2 Qd7+=) 10.Nc3 Bh3 11.Nd5 Nd5 12.Bg7 Kg7 13.cd5 Bg2+=; D) 9.Nc3 Qc8 (9...Qd7 10.Nd4 c6 11.h3 Qc8 12.Na4 Qc7 13.0-0 Bc8+=; 9...c6 10.0-0 Qc8 11.Na4 Qc7 12.Nd4 Bd7 13.f4 c5+=) 10.h3 Rd8 11.Qd2 a4 12.a3 Nbd7 13.Nd4 Nc5+=.

8.Nd4 Bc4 9.Bb7 Ra7 10.Nc6 Nc6 11.Bc6 Bd5 12.Bd5 Nd5 13.Bg7 Kg7 =.

8.Nd4 Bc4 9.Bb7 Ra7 10.Bg2 e5 11.d3 Bd5 (worse is 11...ed4 12.dc4 c5 13.bc6+/–) 12.Nf3 c5 13.a4 Re7 14.0-0 Nbd7 15.Na3 Nb6 16.e4 Bb7 17.Qc2 Qa8 18.Nd2 d5 19.Qc5 Re6 20.Qc2 de4 21.de4 Rc8 22.Qb1 (22.Bc3 Na4 23.Qa4 Rc3+=) 22...Rd8 23.Nac4 Nc4 24.Nc4 Be4 25.Be4 Ne4 26.Bc1 Rc8 27.Qb3 Nc5 28.Qa2 h5 (better is 28...Nd3!? 29.Be3 e4=) 29.Be3+= h4 30.Rad1 Ne4 31.Qb3 (31.gh4?? Nc3 32.Qd2 Rc4 33.Qd8 Re8 34.Qa8 Ra8–+) 31...Bf8 (31...Nc5 32.Bc5 Rc5 33.gh4+=) 32.b6 (better is 32.Nb6!? Rb6 33.Bb6+=) 32...Qa6= 33.b7 Rb8 34.Rb1 Bb4 35.Qd3? (better is 35.Rfc1+=) 35...Nc3–+ (35...Qb7?! 36.Na5 Qa8 37.Nc4+=) 36.Rb3?? (better is 36.Ne5 Qb7 37.f4 Nb1 38.Rb1–+) 36...e4 (36...Na4 37.Ra1 Qc6 38.Na5 Ba5 39.Qb5 Qb5 40.Rb5=) 37.Qd4 Ne2 (37...Ne2 38.Kg2 Nd4–+) 0–1. Thiede,Lars (2465) – Lichman,Peter (2320), BL2–Nord, 2007. (=1.Nf3 Nf6 2.c4 g6 3.b4 a5 4.b5 Bg7 5.Bb2 0-0 6.g3 d6)

8.Nd4 c6 A) 9.Qb3 Qd7 (9...Qc8 10.Ne6 a4 11.Qd3 Qe6 12.Na3 d5 13.Rc1 Nbd7= ; 9...Bd7 10.0-0 e5 11.Nc2 cb5 12.cb5 Be6 13.Qd3 Qc7= ) 10.Ne6 Qe6 11.Nc3 Nbd7 12.bc6 bc6 13.Bc6 Rab8= ; B) 9.bc6 bc6 (9...Nc6 10.Ne6 fe6 11.Qb3 Qd7 12.0-0 a4 13.Qb5 Ra5= ; 9...Bc4 10.Qc2 Qb6 11.cb7 Ra7 12.Qc4 Qb2 13.Qc3 Rb7= ) 10.Ne6 fe6 11.Qb3 Qc7 12.Qe3 e5 13.0-0 Ng4= ; C) 9.Qa4 Qc8 (9...Qd7 10.h4 cb5 11.Qb5 Qb5 12.Nb5 Nc6 13.d3 Bd7= ; 9...Bd7 10.0-0 Qb6 11.Qa3 a4 12.d3 e5 13.bc6 bc6= ) 10.Ne6 Qe6 11.d4 Nbd7 12.bc6 bc6 13.Bc6 Rab8+=; D) 9.Ne6 fe6 10.Nc3 d5 11.0-0 Nbd7 12.Bh3 Kh8 13.Be6 Nb6+=.

8.Nd4 Bc8 9.Nc3 (9.0-0 h6 (9...Re8 10.Nc3 Nbd7 11.d3 h6 12.Nc2 a4 13.a3 e6+= ; 9...a4 10.d3 Nbd7 11.a3 h6 12.Nc3 Nc5 13.Rb1 e5+=) 10.Nc3 Nbd7 11.d3 Re8 12.Nc2 e6 13.Rb1 Nb6+=; 9.d3 c6 (9...Nbd7 10.0-0 a4 11.a3 e5 12.Nc2 Nc5 13.Nc3 Re8+= ; 9...a4 10.0-0 h6 11.a3 d5 12.Nd2 Re8 13.N4f3 Nbd7+=) 10.0-0 Qb6 11.Qc2 e5 12.Nb3 cb5 13.c5 dc5=; 9.Nf3 Re8 (9...Qd7 10.0-0 Qe6 11.d3 Nbd7 12.Nc3 Qf5 13.h3 g5+= ; 9...e5 10.0-0 Re8 11.d3 e4 12.de4 Ne4 13.Bg7 Kg7=) 10.0-0 e5 11.d3 e4 12.de4 Ne4 13.Bg7 Kg7=) 9...e5 (9...Nfd7 10.Na4 Nf6 11.0-0 e5 12.Nc2 Re8 13.Ne3 Qe7+=; 9...Ng4 10.Nf3 e5 11.h3 Nh6 12.d3 f5 13.0-0 g5+=; 9...Nbd7 10.0-0 h6 11.d3 Re8 12.Qd2 e6 13.Rab1 Qe7+=) 10.Nc2 Nbd7 11.0-0 (11.Ne3 Nc5 12.0-0 Ng4 13.Ng4 Bg4+=) 11...a4 (11...Re8 12.Ne3 Nc5 13.f4 e4+=) 12.Ba3 (12.f4 a3 13.Na3 e4+=) 12...Re8 13.Ne3 Nc5 (13...Nb6=) 14.Rb1 Rb8 (14...Bh6 15.Qc2+=) 15.Qc2 Be6 16.Na4 Na4 17.Qa4 Ra8 18.Qb3 Qc8 19.b6 c6 (19...c5!?+/–) 20.Bd6+– Bh3 21.c5 Bg2 22.Kg2 (22.Ng2?! Qe6+=) 22...Ne4 23.Qc2 (better is 23.Nc4!?+–) 23...Nd6+= 24.cd6 Qe6 25.Nc4 Bf8 26.Rb3 Bd6 27.e3 Bf8 28.f3 h5 29.a3 h4 30.gh4 Be7 31.h5 Kg7 32.hg6 Rh8 33.Rf2 fg6 34.Qe4 Bf6 35.Kf1 Rh3 36.f4 Qg4 37.Ne5 Qd1 38.Kg2 Rh2 39.Kh2 Rh8 40.Kg3 Bh4 41.Kg2 Bf2 42.Qg6 Kf8 43.Qf7 (43.Kf2?! Rh2 44.Kg3 Qg1 45.Kf3 Qh1 46.Kg4 Rg2 47.Kf5 Rg6 48.Kg6 Qg2 49.Kf5 Qh3 50.Ke4 Qh7 51.Kf3 Ke8+/–) 1–0. oliver – game8, internet, 2011.

6.e3 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5 d6).

6.e3 0-0 7.d4 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

6.e3 e5 7.Nc3 0-0 8.d4 e4 9.Nd2 Re8 10.d5 Nbd7 11.Be2 Nc5 12.0-0 Nh5 13.Nb3 Qg5 14.Kh1 Qh4 15.g3 Qh3= 16.Nc5 dc5 17.Bh5 gh5 18.f3 h4 19.Rg1 Bf5 20.Rc1 h5 21.gh4 ef3 22.Rg3 Re3?? 23.Rh3+– Bh3 24.Kg1 Bd4 25.Qd4 cd4 26.Nd1 Rae8 27.Bd4 Re1 28.Kf2 R8e2 29.Kf3 Bg4 30.Kg3 Rd2 31.Ba7 Red1 (32.Rd1 Bd1–+) 0–1. Sadanowicz,Tadeusz – Nebrin,Sven, corr SSKK 1–438, 1991.

6.g3 0-0 (--> 5.Nf3 0-0 6.g3 d6).

6.g3 b6 7.Bg2 Bb7 8.0-0 0-0 9.Nc3 c5 10.bc6 Bc6 11.Rb1 Nbd7 12.d3 e5 13.e4 Rc8 14.Bh3 Ne8 15.Ba3 f5 16.ef5 gf5 (16...Qe7 17.Re1–/+) 17.Nb5 (17.Nh4 Qg5+=) 17...Nc5+= 18.Nh4 Qd7 (Better is 18...Bd7!?+=) 19.Qh5–/+ Nf6 (19...Qf7 20.Qf7 Rf7 21.Bf5–/+) 20.Qg5+– ½–½. Cottarelli,Franco (2215) – Vieito Soria,Luis M (1975), corr ICCF TT 6–02–1, 2002.

6.Bg2 0-0 7.Na3 c6 8.d3 Qb6 9.Nf3 Ne4–/+ 10.Bd4? Bd4–+ 11.Nd4 Qd4 12.de4 Qc3 13.Kf1 Qa3 14.ed5 cd5 (15.Bd5 e6–+; 14...cb5 15.cb5 Bd7 16.Qc1–+) 0–1. Preusse,Goetz – Zuechner,Georg, corr DDR–ch MG10, 1990.

7.Na3 0-0 =+.

7.Na3 c6 =+.

7.a4 Qd6 8.Qc2 =+.

7.Qa4!? =.

8.bc6 Nc6 9.Na3 Be6 =+.

9.Rc1 0-0!? =+.

9.Rc1 cb5 10.ab5 Qb6 11.e3 Nh5 12.Bg7= Ng7 13.Ne2 Nd7=+ 14.Nd4 Ne5 15.0-0 0-0 16.Qa4 Rfd8 17.Ne6 Ne6=+ 18.f4 Rd2–/+ 19.fe5 Qe3 20.Kh1 Rg2 21.Kg2+– Qd2 22.Kh1 Qd5 23.Kg1 Ng5 ½–½. Goliak,Isay – Korelov,Aleksandr Pavlovich, corr, 1971.

9.Rc1 cb5 10.ab5 Qb6 11.e3 Nh5 12.Bg7= Ng7 13.Ne2 Nd7=+ 14.Nd4 Ne5 15.0-0= 0-0 16.Ne6 Ne6–/+ 17.Qc2 Rfd8 18.Qe4 f6 19.Nc4= Nc4 20.Qc4 Rd2 21.Bd5 Kf7 22.Rfd1 Rb2 23.Rb1 Rb1 24.Rb1 Rd8 25.e4 Rd6 26.Qc8 Kg7 27.Qb7 Qb7 28.Bb7 Rb6 29.Bc6 Nd4 30.Ra1 0–1. Woelfelschneider,Peter – Kuehne,Ralf, CiF, 1989.

9.Rc1 cb5 10.Bb7 Ra7 11.Bf3 b4 12.Nc4 Rc7 =+.

9.Rc1 Qb6 10.Nc4= Bc4 11.Rc4 Ng4 12.Rg4 Bb2 13.Nf3 Bg7 14.bc6 Nc6 15.0-0 0-0 16.Qb1 Nb4 17.Rg5 e6 18.Rb5+= Qc7 19.Rc1 Qe7 20.d4 Rfd8 21.e3 Rd5 22.Rcc5 h6 23.Ne5 Rc5 24.Rc5 b6 25.Rc1 Rd8 26.Nc6 Nc6 27.Rc6 Qa3 28.Qb6 Re8 29.Qb5 Qa1 30.Bf1 Ra8 31.Kg2 Bf8 32.Qb7 Re8 33.Rc7 Qa4?? 34.Bb5 (34...Qb3 35.Be8 Qb7 36.Rb7+–; 34.Rf7?! Rb8 35.Qc7 Qe8+–) 1–0. Roggensack Hanspach,Peter – Wolfram,Reinhard, corr SOK–89–40, 1989.

5.a4 d6 6.Nf3 0-0 7.Nc3 e5 8.Be2 Nbd7 9.d3 Qe7 10.0-0 b6 11.e4 Nh5 12.h3 (12.Nd5!? Qd8 13.d4+=) 12...Nf4= 13.Kh2 Nf6 14.g3 (14.Bc1!?=) 14...Nh3+= 15.Rh1?? (15.Kg2 Qe6+=) 15...h6 (better is 15...Nf2 16.Qe1 Nh1 17.Kh1 h6-+) 16.Kg2+=.

5.c4 a4 6.a3 c6 7.Nc3 0-0 8.Na4 d5 9.Nf3 Bf5 10.Be2 Nbd7 (10...dc4 11.Bc4 cb5 12.Bb5+=) 11.0-0 (11.bc6 bc6 12.Nd4 Qc7+–) 11...Re8 (11...dc4 12.bc6 bc6 13.Bc4+=) 12.d4 (12.Nd4 cb5 13.Nf5 gf5 14.cb5 Qa5+–) 12...Ne4 13.Nc3 Qc7 14.cd5 Nc3 15.Bc3 cd5 16.Rc1 Rec8 (16...Ra3?? 17.Bb4 Qc1 18.Qc1+–) 17.Bb4 Qd8 18.Qb3 e6 19.a4 Be4 20.Nd2 Nf6? (20...Rc1 21.Rc1 Rc8 22.Rc8 Qc8 23.Bc3+–) 21.a5 (better 21.f3 Bf5 22.g4+–) 21...Ra5?? (better 21...Bf5 22.Rc8 Rc8+–) 22.Ba5 Rc1 (22...Qd7 23.f3 Bf5+–) 23.Bd8 Rf1 24.Bf1 h5 25.Bf6 Bf6 26.Ne4 de4 27.Qc2 (27.Qc2 b6 28.Qe4+–) 1–0. BeepBeepImAJeep (2625) – blindchess32 (2170), lichess.org, 2016.

5.c4 b6 6.Be2 (6.d4 0-0=) 6...Bb7 7.Bf3 Qc8 (7...c6 8.d4=) 8.Bb7+= Qb7 9.Qf3 c6 (9...Ra7 10.Bf6 Bf6 11.d4+=) 10.Ne2 (10.Bf6 Bf6 11.d4 0-0+=) 10...0-0 (10...Ra7 11.Na3+=) 11.0-0 (11.Bf6 Bf6 12.d4 Bg7+=) 11...d5 (11...Ra7 12.Rc1+=) 12.bc6 Qc6 13.Nd4 (13.cd5!? Qd5 14.Qd5 Nd5 15.Bg7 Kg7 16.Nbc3 Nc3 17.Nc3+=) 13...Qc4=+ 14.Rc1 Qd3 15.Nc3 (better is 15.Rc3 Qe4 16.Rc7–/+) 15...Qd2 (better is 15...Rd8!?–/+) 16.Rab1 (better is 16.Rc2 Qd3 17.Nd5 Nd5 18.Rd1=) 16...e5? (better is 16...Qd3 17.Nd5 Nd5 18.Qd5 Ra7=) 17.Rd1+– (17.Nd5?! A) < 17...ed4 18.Nf6 Bf6 19.Rd1+– (19.Qa8?! de3 20.Bf6 Qf2 21.Kh1 Qf6=); B) 17...Nd5 18.Rd1 Qb4 19.Qd5 Ra7=) 17...Qd1 18.Rd1 ed4 19.Nd5 Nbd7 20.Bd4 Nd5 21.Bg7 Kg7 22.Rd5 Nc5 23.h4 Rad8 24.h5 Ne6 25.Rd8 Rd8 26.h6 Kh6? 27.Qf7 Ng5 28.Qc7 Rd1 29.Kh2 Rb1 30.Qe7 Rb4 31.f4 Ne4 32.g4 (32...Rb2 33.Kh3 Rh2 34.Kh2 g5 35.Qf8 Kg6 36.f5) 1–0. nogumo – romain63, mySchach.de, 2005.

5.c4 d5 6.Nf3 0-0 7.d4 c6 8.Nbd2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.Nbd2 a5 8.b5).

5.d4 c6 6.a4 b6 7.c4 0-0 8.f4 d5 9.Nf3 e6 10.Nc3 cb5 11.cb5 Nbd7 12.Bd3 Ng4 13.Qe2 Bb7 14.0-0 Rc8 15.h3 Ngf6 16.Rfc1 Ne4 17.Be4 de4 18.Ng5 (18.Nd2!? f5 19.Ba3+=) 18...Nf6+= 19.h4 Qd7 20.Rc2 h5 (20...h6 21.Nh3+=) 21.Rac1= Bh6 22.Nh3 Bd5 23.Nf2 Qb7 24.Ba3 Rfd8 25.g4 Bc4 26.Qd1 Bb3 (better is 26...hg4 27.Ng4 Ng4 28.Qg4 Bb3=) 27.gh5?? (better is 27.Nce4!? Ne4 28.Rc8 Rc8 29.Rc8 Qc8 30.Qb3 Nf2 31.Kf2 hg4 32.Ke2+=) 27...Nh5 (27...Rc3 28.Rc3 Bd1 29.hg6–+) 28.Kg2?? (better is 28.Nfe4!? Bg7 29.Qf3 Bc2 30.Rc2+=) 28...Bc2 29.Rc2 Rc4 30.Nce4 Rc2 31.Qc2 Bf4 32.ef4–/+ Nf4 33.Kf3 Nh5 34.Qc6 Qb8?? 35.Kg2?? Qf4?? 36.Bd6 Qh4 37.Qb6 Rc8 38.Bc5 Nf4 39.Kf3 Nd5 40.Qd6 Qh5 41.Kg3 Qe2 42.b6 Qe3 43.Kh2 Kg7 44.Qe5 f6 45.Nf6?? Nf6 46.Qe3+– Ng4 47.Ng4 Rh8 48.Kg3 Rh5 49.Qe6 Rf5 50.Qf5! gf5 51.Nf2 Kf6 52.Kf4 Kg6 53.b7 Kf6 54.b8Q Ke6 55.Qb6 Kf7 56.Qd6 Kg7 57.Qe6 Kh7 58.Kf5 Kh8 59.Kg6 (59.Qf6 Kh7 60.Bf8 Kg8 61.Qg7) ½–½. amator111 (1735) – moulin9, kurnik, 2012.

5.d4 d5 6.Nf3 b6 (6...0-0 7.Bd3=) 7.Be2 (7.Bd3 0-0=) 7...0-0 8.0-0 Nbd7 (8...c6 9.c4=) 9.c4+= Bb7 (9...dc4 10.Nbd2+=) 10.Nc3 (10.Qa4 dc4 11.Rc1 Rc8+=) 10...e6 (10...dc4 11.Bc4 c5 12.bc6 Bc6 13.Rc1+=) 11.Rc1 (11.Ba3 Re8+=) 11...c5 12.bc6 Bc6 13.Ne5 (13.cd5 Nd5 14.Nb5 Bb7+=) 13...Bb7 (13...Ne5 14.de5 Ne4 15.Ne4 de4 16.Qd8 Rad8 17.Bd4+/-) 14.f4 dc4 15.Ba3 Re8 16.Nc4 Nf8 17.Nb5 Bd5 18.Ne5 Rc8 19.Rc8 Qc8 20.Nf7! Ne4 21.Nfd6 Nd6 22.Nd6 Qc3 23.Qc1 Qc1 24.Rc1 Rb8 25.Rc2 Nd7 26.Nc8 b5 27.Ne7 Kh8 28.Nd5 ed5 29.Bd6 Rd8 30.Bb5 Nf6 31.Bc7 (31...Rc8 32.Rc6+-) 1-0. Robles,Dennis M - Tan Chuan,C, 1997.

5.d4 Kf8 6.Nf3+= c6 7.a4 cb5 8.Bb5 Na6 9.Be2 Nb4 (9...Qb6 10.Qc1+=) 10.Nbd2 Qc7 Exerts pressure on the backward pawn 11.c3 Nbd5 (11...Nc6 12.c4+/-) 12.Ne5 (12.c4 Nb4+/-) 12...Nc3 (12...d6 13.Nd3+=) 13.Bc3 (13.Qb3 Ncd5 14.e4 d6 15.ed5 de5 16.de5 Nd7+/-) 13...Qc3+- 14.0-0 (better 14.Nec4!? Nd5 15.Rb1 Bd4 16.Rc1+-) 14...Qc7 (14...d5 15.Rc1 Qb4 16.Rc5+=) 15.Rc1+= Qd6 (15...Qd8 16.Qb3 d5 17.Rc5+=) 16.Nec4 (16.Bc4 e6+/-) 16...Qe6+= 17.Bf3 (17.Qb3!? Nd5 18.Bf3+=) 17...d5= 18.Ne5 Nd7 19.Nb3 (19.Nd7 Qd7 20.Rc5 e6=) 19...Ne5 20.Nc5?? (better 20.de5 Be5 21.Bd5=) 20...Nf3-+ 21.Qf3 Qf5 22.Qe2 (22.Qf5 gf5 23.Rb1 f4-+) 22...Qg4 (22...b6!? 23.Nd3-+) 23.f3 (23.Qb5 Bf6-+) 23...Qh5 24.Qc2 (24.Qb5 Bh6 25.f4 Qf5-+) 24...Qf5 (24...b6 25.Nd3 Bd7 26.Qb3-+) 25.Nd3 (25.Qb2 Bf6-+) 25...f6 (25...Bf6 26.Qb3-+) 26.g4 (26.Qb3 Bh6 27.Rce1 Kg7-+) 26...Qe6 27.Nc5 (27.Rfe1 g5 28.Nc5-+) 27...Qe3 28.Kg2 (28.Kh1 Qd4 29.Rb1 Qf4-+) 28...Qd4 (28...h5 29.gh5 Rh5 30.Kh1-+) 29.Rf2 (29.Rfd1 Qe5 30.Qb3 e6-+) 29...Kf7 (29...b6 30.Nd3 Ba6 31.Nb2-+) 30.Re2 (30.Rd2 Qe5-+) 30...e5 (better 30...b6!? 31.Nb7 Bd7 32.Qc7 Qa4 33.Re7 Ke7 34.Qd6 Ke8 35.Re1 Qe4 36.fe4+=) 31.Rd1 (31.Rd2 Qc4! 32.Qc4 dc4 33.Rc4 Bh6-+) 31...Qf4 (31...Qc4 32.Qc4 dc4 33.Rc2-+) 32.Qb3 (32.Rd5 h5 33.Qb3-/+) 32...Be6 (better 32...Qc4 33.Qc4 dc4-+) 33.Ne6 (better 33.Qb7 Kg8 34.Ne6+-) 33...Ke6?? (better 33...Qc4 34.Qb7 Ke6 35.Qb6 Kd7 36.Qb7 Kd6 37.Qb6 Ke7 38.Qb7 Ke6 39.Qb6 Kf7 40.Qb7 Ke6=) 34.Rc1 (34.Qd5 Ke7 35.Qb7 Ke8 36.Qa8 Ke7 37.Qb7 Ke8 38.Qc8 Kf7 39.Rd7 Ke6 40.Qc6) 34...Kf7 (better 34...Qc1 35.Rc2 Qc2 36.Qc2 Rhd8-+) 35.Qb7 Ke6 (35...Kg8 36.Qd5 Kf8 37.Qa8 Kf7 38.Rc7 Ke6 39.Qc6) 36.Rc6 1-0. chessovolution (1665) - JoseLuisPacco_ESDE, Rated Blitz game, lichess.org, 2021.

5.Nf3 a4 6.a3 0-0 7.c4 d5 8.Nc3 c6 9.Na4 Qa5 10.Nc3 dc4 11.Bc4 cb5 12.Nb5 Nc6 13.0-0 Rd8 14.d4 e5? (better is 14...Bg4!?+/-) 15.Qb3 Rf8 16.de5 Ne4 17.Bd5 Nd2 (17...Nc5 18.Qc4 Na4 19.Bd4 (19.Bc6?! bc6 20.Nbd4 Ba6+=) 19...Nd4 20.ed4+-.

5.Nf3 b6 6.d4 0-0 7.Be2 d6 8.0-0 Bd7 9.c4 c6 10.a4 c5 11.dc5 dc5 12.Nbd2 Qc7 13.Qc2 Bf5 14.Bd3 Bd3 15.Qd3 Rd8 16.Qc2 Nbd7 17.Ne4 (17.Rad1 Rac8+=) 17...Ne4=+ 18.Bg7 Kg7 (18...Nf2 19.Rf2 Kg7 20.Raf1=+) 19.Qe4= Nf6 20.Qc2 Rd7 21.Rfd1 Rad8 22.Rd7 Qd7 23.h3 Qd3 24.Qd3 Rd3 25.Ne5 Rc3 (25...Rd2 26.Nf3 Re2 27.Ne5=+) 26.Nc6 (26.g4 Rc2 27.f3 h6=) 26...Rc4 (26...Kf8!?-/+) 27.Ne7= Rc2 (27...Re4 28.Nc8 Nd5 29.Ra3=+) 28.Nc8+= Ne4 (28...Nd5 29.e4 Nc3 30.f3+=) 29.f3 Nc3 (29...Ng3 30.Nb6 Nf5 31.Ra3+=) 30.Nb6+/- Ra2?? (better 30...f5+/-) 31.Ra2+- Na2 32.Nd7 (better 32.Nd5 c4 33.b6+-) 32...Nc3?? (32...c4 33.b6 c3+-) 33.Nc5 (33.b6 Nd5 34.b7 Nf6 35.Nf6 Kf6+-) 33...Kf6 (33...Nd5 34.Nd7 f5+-) 34.b6 Na4 35.b7 (better 35.Na4 Kg7 36.b7+-) 35...Nc5 36.b8Q Ne6 (36...Ke7 37.Qa7 Nd7 38.Qa5+-) 37.Qd6 (37.Qh8 Ke7 38.Qh7 Ke8+-) 37...Kg7 (37...h6 38.Qa6+-) 38.Qa6 a4 39.Qa4 Kf6 (39...h6 40.Qa1 Kg8 41.Qe5+-) 40.Qa1 Ke7 41.Qb2 (41.g4 Nf8+-) 41...f6 (41...h5 42.Qb4 Ke8 43.Qd6+-) 42.Qb7 Kf8 43.Qb2 (43.Qh7 g5+-) 43...Kg7?? (43...Ke7 44.Qa3 Kf7 45.Qa7 Ke8 46.Qh7 g5+-) 44.Qb8 (better 44.h4 h5+-) 44...Kh6 (44...Ng5+-) 45.Qb2 g5?? (45...Kg7 46.h4 Nf8+-) 46.Qd2 (46.Qf6 Kh5 47.g4 Kh4 48.Kh2 h5 49.Qc3 hg4 50.Qh8) 46...f5 (46...Ng7 47.Qd4 Kg6 48.Qd3 f5 49.e4 fe4 50.fe4+-) 47.e4 (better 47.Qd6 Kg7 48.Qe7 Kg8 49.Qe6 Kg7 50.Qf5+-) 47...Ng7 48.ef5 (48.Qd6 Ne6 49.Qe6 Kg7 50.ef5 Kh8 51.Qf7 h6 52.f6 g4 53.Qg7) 48...Nh5 (48...Nf5 49.f4 gf4 50.Qf4 Kg6+-) 49.Qe3 (49.Qd4 Ng3 50.Qf6 Kh5 51.Qg7 Nf5 52.Qh7 Nh6 53.g4 Kh4 54.Kf2 Kh3 55.Qh6) 49...Ng3 50.Qg5 (50.Qg5 Kg5 51.Kf2 Nf5 52.g3=+; 50.Qe6 Kh5 51.Qf7 Kh6 52.f6 g4 53.Qg7 Kh5 54.hg4 Kh4 55.Qh6 Nh5 56.Qh5 Kg3 57.Qh2) 1-0. frate_ali (1730) - Argonn3007 (1945), Rated Bullet game, lichess.org, 2014.

5.Nf3 c6 6.a4 0-0 7.Be2 d5 8.0-0 Bg4 9.Ne5 Be2 10.Qe2 Nbd7 (10...Qc7 11.c4=) 11.f4 (11.bc6 Ne5 12.cb7+/- (worse is 12.Be5 bc6 13.Nc3 Qd7=)) 11...Ne5 12.fe5 Nd7 13.d4 e6 14.Nd2 c5 15.c4 cd4 (15...Qe7!?+=) 16.ed4+/-.

5.Nf3 d5 6.Be2 =.

5.Nf3 d6 6.d4 0-0 7.Be2 (7.Bd3 c5=) 7...Nbd7 (7...c5 8.0-0=) 8.0-0 c5 9.c4 b6 (9...Nb6 10.dc5 dc5 11.Qb3=) 10.Nfd2 (10.Nc3 Qc7+=) 10...Bb7 (10...Ra7 11.Nc3+=) 11.Bf3+= Bf3 12.Nf3 (12.Qf3 Qc7+=) 12...Qc7 (12...cd4 13.Bd4 Qc7 14.Nbd2=) 13.d5+= Ne8 (13...e6 14.Nc3+=) 14.Qc2 (14.Bg7 Ng7 15.Qd3 e5+=) 14...Bb2 (14...Nef6 15.Nc3+=) 15.Qb2 Ng7 16.Nc3 Rae8 17.Rad1 f6 18.e4 Rf7 19.Qe2 Qd8 (19...Ne5 20.Nh4+/-) 20.Rd2 (20.Rfe1 Ne5+/-) ½-½. Rudbeck,Joergen - Woda,Janusz, corr 3GMM-51, 1997.

5.g4 0-0 6.Be2 d5 7.h4 c6 8.a4 Nbd7 (8...cb5 9.ab5 Bd7 10.Ra4=) 9.g5= Ne4 10.Bg7 Kg7 11.d3 Nd6 12.c4 e5 13.Qc2 (13.cd5 cd5 14.Nf3 Qe7=) 13...f6 14.c5 Ne8 (14...Nf5 15.Nf3=+) 15.b6 (15.h5!?=) 15...fg5=+ 16.hg5 (16.h5 Qe7 17.hg6 h6-/+ (17...Kg6?! 18.d4 e4 19.Nc3=)) 16...Qg5-/+ 17.Nf3 Qf6 (17...Qe7 18.d4 ed4 19.Nd4 Nc5 20.Nc3-/+) 18.Nc3? (better 18.Ra3!?=+) 18...Nc5-+ 19.Nd5 cd5 20.Qc5 e4 (20...Bg4!? 21.Ng1 e4 22.d4 Qf2 23.Kd2 Be2 24.Ne2-/+) 21.Nd4-/+ ed3 (better 21...Qf2 22.Kd2 Qf7-/+) 22.Bd3? (better 22.Bf3!?=+) 22...Qf2-+ 23.Kd1 Bg4 24.Ne2 (24.Be2 Nf6 25.Ra3 Ne4 26.Qc7 Rf7 27.Qe5 Kg8-+) 24...Nf6 25.Qd4? (25.Re1-+) 25...Rae8 26.Kd2 Be2 (26...Re4!? 27.Be4 Qe2 28.Kc1 Rc8 29.Kb1-+) 27.Be2 Re4 28.Qc3 (28.Qd3 Rc4 29.Rhf1 Ne4 30.Qe4 Re4 31.Rf2 Rf2 32.Ke1-+) 28...d4 29.Qd3 (29.Qc7 Rf7 30.Qh2 Qe3 31.Kc2 Qc3 32.Kb1 Qb3 33.Kc1-+) 29...Re3 30.Qb5 d3 (better 30...Ne4 31.Kc1 Rc8 32.Kb1 Nc3 33.Kb2 Re2 34.Qe2 Qe2 35.Ka3 Nb5 36.ab5 Qd3 37.Ka4 Rc4 38.Ka5 Qc3) 31.Rae1 Re2 32.Re2 Qe2 33.Kc3 Qc2 (33...Rc8 34.Qc4 Qc2 35.Kd4 Rc4 36.Ke5 Qe2 37.Kd6 Rc6) 34.Kd4 Rd8 35.Ke3 (35.Qd7 Rd7 36.Ke3 Qe2 37.Kf4 Qf2 38.Ke5 Qe3) 35...Qe2 36.Kf4 Qe4 (36...Qf2 37.Ke5 Qe3) 37.Kg3-+ Qg4 (37...Qe3 38.Kg2 Rd4 39.Qg5 Qg5 40.Kf1 Rf4 41.Ke1 Qe5 42.Kd2 Qe2 43.Kc3 Qc2) 38.Kf2 Qd7 (38...Qd7 39.Qd7 Nd7-+; 38...Ne4 39.Ke3 Qe2 40.Kf4 Qf2 41.Ke4 Rd4 42.Ke5 Qe3) 0-1. zembelek (2040) - Grischuk_1322 (2055), Rated Blitz game, lichess.org, 2014.

6.Ne2 c6 (6...d5 7.Ng3=) 7.c4 cb5 8.cb5 d5 9.Nf4 Qb6 (9...g5 10.Nd3=) 10.Bd4 (10.Bf6 Qf6 (worse 10...Bf6 11.Nd5 Qd6 12.Nf6 Qf6 13.Nc3+/-) 11.d4 e6=) 10...Qd6 11.Nc3? (better 11.Bf6 Bf6 12.Nc3 Bc3 13.dc3=) 11…e5-+ (11...e5 12.Be5 Qe5-+) 0-1. Fuirio (1665) - HCapa38 (1750), Rated Classical game, lichess.org, 2013.

6.Nf3 d6 7.d4 Nbd7 8.c4 c6 9.Be2 Rb8 10.Nbd2 Qc7 11.Rc1 e5 12.c5 dc5 13.dc5 b6? (13...cb5 14.Bb5 A) 14...Nc5?? 15.Be5 (15.Ne5?! Be6+=) 15...Qe7 16.Bb8+-; B) 14...Re8+=) 14.cb6 Rb6 15.Nc4 Rb8 16.Nce5 c5 17.Nd7 Bd7? (17...Nd7 18.Bg7 Kg7 19.0-0+-) 18.0-0 (better 18.Be5!? Qa7 19.Bb8 Rb8+-) 18...Rbd8 19.Qc2 Rc8 20.Be5 Qb6 21.Qb2 Be6?? (better 21...Bg4+-) 22.Bf6 Bf6 23.Qf6 Rfd8 24.Bc4 Rd6 25.Be6 Re6 26.Qc3 Re4 27.Nd4! h5 (27...cd4 28.Qc8 Pinning (28.Qc8 Deflection)) 28.f3 Ree8 29.Nc6 c4 30.Rfe1 Re6 31.Kf2 (31.Na5 Qa7+-) 31...Rce8 (31...Rec6 32.bc6 Rc6 33.Red1+-) 32.Rcd1 (32.Qd4 Qc7 33.Kg1 Rd6 34.Qc4 Rde6+-) 32...Qc7 33.Kg1 Qb6 (33...Rc6 34.bc6 Qc6 35.Qa5+-) 34.Nd4 (34.Rd4!? Ra8+-) 34...Re5 35.Nc2 h4 36.Rd4 h3 37.gh3 Rg5 38.Rg4 Ree5 39.f4 Rg4 40.hg4 Re4 41.Kf2 (41.Nd4 Qc7+-) 41...Qe6 (41...Rf4 42.Kg3 Re4+-) 42.h3 Qb6 43.Rd1 (43.Nd4 Qd8+-) 43...Re7 (43...Rf4 44.Ke2 Re4 45.Rd4+-) 44.Rd5 (44.Na3 Qc7+-) 44...Re4 45.Kf3 Re6 (45...Re8 46.Qc4 Qe6 47.Rc5+-) 46.Qd4 Qb7 47.e4 Re8 48.Rd8 Rd8 (48...Qe7 49.Re8 Qe8 50.Ne3+-) 49.Qd8 Kg7 50.Qd4 (50.Qa5!? Qc8+-) 50...Kg8 51.Qc4 Qe7 (51...Qb6+-) 52.Ne3 Qh4 53.Kg2 (better 53.b6 Qh3 54.Ke2 Qh2 55.Kd3 Qf4+-) 53...Qe1 54.Qd4 (54.Qd3 Qc1+-) 54...Qe2 55.Kg3 Qe1 56.Kf3 Qh1 57.Ke2 Qh3 58.Kd3 Qh2 (58...Qh4+-) 59.b6 Qa2 60.Qd8 Kh7 61.Qc7 Qb1 62.Kd4 (better 62.Ke2 Qb2 63.Kf3 Qg7+-) 62...Qb4 (62...Qb2 63.Kd5 Qd2 64.Kc6 Qe3+-) 63.Nc4 1-0. Mettigel (2530) - pEKinEs08 (2660), Rated blitz game, lichess.org, 2021.

6.Nc3 e5 7.Be2 =.

6.Nc3 e6 7.Rc1 (7.d4 d6+=) 7...d5 (7...e5 8.Nd5=) 8.cd5 Nd5 (8...ed5 9.Nf3=) 9.Nf3 b6 (9...Nd7 10.d4 N7b6 11.Nd5 Nd5 12.e4+=) 10.Be2 Bb7 11.0-0 Nd7 (11...c5 12.Na4+=) 12.Qc2 Rc8 (12...Nb4 13.Qb1+=) 13.Nd5 Bd5 14.Bg7 Kg7 15.Qb2 Kg8 16.Nd4 (16.a3 c6+=) 16...Nc5 17.f3 (17.f4 Qf6+=) 17...Re8 (17...e5 18.Nc2=) 18.e4 Bb7 19.Rfd1 e5 20.Nb3 (20.Nc2 Qg5+=) 20...Nd3= 21.Bd3 Qd3 22.Rc3 (better is 22.Na1!?=) 22...Qb5–/+ 23.Rb1 Red8 (23...Ba6 24.d3–/+) 24.Qc1 Qd7 25.Na5 Ba6 (better is 25...Be4!? 26.fe4 ba5–/+) 26.Nc6+= Re8 27.Nb4 (27.Rb4 Ra8+=) 27...Bb7= 28.Rd3 Qe6 29.Nd5 (29.Ra3 c5 30.Nc2 f5=) 29...Bd5 30.Rd5 c6 31.Rd3 b5 32.Rb2 Rc7 (32...Ra8 33.Qc2+=) 33.Rb5 cb5 34.Qc7 Qa2 35.Rd7 Rf8 (better is 35...b4!?=) 36.Qe5+/– b4 0–1. lican – eliv, playok.com, 2012.

6.d4 c6 7.a4 d5 8.Nd2 Nbd7 (8...Bf5 9.Ngf3=) 9.Ngf3 Re8 10.Be2 Ne4 (10...cb5 11.ab5 dc4 12.Nc4+=) 11.0-0 Nd2 12.Nd2 e5 13.cd5 ed4 (13...cd5!? 14.Rc1 ed4 15.Bd4 Bd4 16.ed4 Nb6=) 14.dc6+/- bc6 15.bc6 d3 16.cd7 Bd7 17.Bg7 de2 18.Qe2 Kg7 19.Nc4 Rb8 (19...Bc6 20.Rfc1 Rb8 21.Qd2 Qd2 22.Nd2+/-) 20.Qd2 Rb4 21.Nd6 (21.Na5 Ra4 22.Ra4 Ba4+/-) 21...Rf8 22.Qc3 Qf6 23.Qc5 (23.Qc7 Qd8 24.Qc5 Ba4+/-) 23...Ba4 (23...Ra8 24.Rab1+/-) 24.Qa5+/- Qd6 25.Ra4 Ra4 26.Qa4 Rd8 27.Qa1 Qf6 28.Qf6 Kf6 29.g3 Rd2 30.Kg2 Ra2 31.g4 g5 (31...h6 32.Rd1+/-) 32.Kg3 h6 33.h4 Ra4 34.f3 Ra3 35.e4 Rb3 36.Rc1 gh4 37.Kf4 (37.Kh4?! Rf3 38.Rc6 Ke5 39.Rh6 f6=) 37...Kg6 38.Rh1 h5 39.Rh4 hg4 40.Rg4 Kf6 41.Rg8 Rb5 42.Ra8 Rb3 ½-½. opperwezen (2715) - AstanehChess (2525), IM AstanehChess Arena, lichess.org, 2017.

6.d4 d6 7.Nf3 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

6.Nf3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5).

6.Nf3 c5 7.Be2 b6 8.0-0 Bb7 9.d4 d6 10.Nc3 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4 c5 8.Nc3 b6 9.Be2 Bb7 10.0-0).

6.Nf3 c6 7.d4 d5 8.Nbd2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 c6 6.d4 d5 7.Nbd2 a5 8.b5).

6.Nf3 d6 7.d4 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

6.d3 c6 7.a4 0-0 8.Be2 Nbd7 9.Nf3 e5 10.Nbd2 Ne8 11.d4 f5 12.Nb3 e4 13.Nfd2 c5 14.0-0 Qg5 15.Rb1 b6 16.Bc1 Bb7 17.d5 Nc7 18.f4 ef3 19.Nf3 Qe7 20.Na1 Nf6 21.Nc2 Ne4 22.Bb2 Ne8 23.Bg7 Qg7 24.Qd3 N8f6 25.Rb3 Rae8 26.Nfe1 Rc8 ½–½. Andre,K – Mothes,Rainer, corr SOK–90–61, 1990.

6.Nf3 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5 d6).

6.Nf3 e5 7.Nc3 0-0 8.Be2 e4 9.Nd4 c5 10.Nc2 b6 11.d3+= ed3 12.Bd3 Bb7 13.0-0 d5 14.Na4 dc4 15.Bc4 Qc7 16.f3 Re8 17.e4 Nbd7 18.Re1 Ne5 19.Ne3 Rab8 20.Qc2 Nc4 21.Nc4+= Bc8 22.Rad1+/– Be6? 23.Be5+– Qc8 24.Bb8 Qb8 25.Nab6 Bc4 26.Nc4 Qb5 27.Nd6 (27...Qb6 28.e5+–) 1–0. Kreuzer,Uwe – Schmitt, Mannheim, 1985.

6.c4 d5 7.Nf3 c6 8.Be2 cb5 9.cb5 Nbd7 10.0-0 Nc5 11.Nbd2 b6 12.Nb3 Nb3 13.Qb3 Bb7 14.Rac1 Rc8 15.a4 Qd7 16.Bd4 Ng4 17.Bg7 Kg7 18.h3 Nf6 19.Nd4 e5 20.Nf3 Qd6 21.Qb2 Rfe8 22.Rc8 Bc8 23.Rc1 h6 24.Ne5 Bh3 25.Ng4 Bg4 26.Bg4 d4 27.Bf3 de3 28.fe3 Qd3 29.Rc6 Qe3 30.Kh2 Qe5 31.Qe5 Re5 32.Rb6 Nd5 33.Bd5 Rd5 34.Ra6 Rh5 35.Kg1 Rh4 36.Ra5 Rb4 37.Ra7 Kf6 38.Ra6 Ke5 39.b6 Kd5 40.a5 Kc6 41.Ra7 f5 42.Rg7 g5 43.Rg6 Kb7 44.Rh6 Rb5 45.Rh7 Ka6 46.b7 Rb7 47.Rb7 Kb7 48.Kf2 Ka6 49.Ke3 Ka5 50.Kd4 Kb5 51.Ke5 f4 52.Kf5 Kc5 53.Kg5 Kd4 54.Kf4 Kd5 55.Kf5 Kd6 56.Kf6 Kd7 57.Kf7 Kd8 58.g4 Kd7 59.g5 Kd6 ½–½. oldi62 – sovapavel (1695), kurnik, 2014.

6.Nf3 c5 7.c4 d5 8.d4 cd4 9.Bd4 Bg4 10.Be2 Nbd7 11.0-0 (11.cd5 Nb6+=) 11...Rc8 12.Nbd2 Re8 13.h3 Bf3 14.Nf3 e5 (worse is 14...Rc4 15.Bc4 dc4 16.Qa4+/–) 15.Bb2 dc4 16.Qa4 (better is 16.Rc1!? Nb6 17.Be5 Qd1 18.Rfd1=) 16...e4 17.Nd4 Ne5 18.Bc3 b6 19.Rfd1 (19.Rac1 Nd3 20.Bd3 cd3–/+ (20...ed3?! 21.Nc6 Qd5 22.Bf6 Bf6 23.Qc4 Qc4 24.Rc4=)) 19...Qc7 (19...Nd5 20.Rac1 Nd3 21.Bd3 cd3 22.Bd2–+) 20.Nc2 Nd3 21.Na3 Nd5 22.Bg7 Kg7 23.f3?? (23.Qc2 N5b4 24.Qc3 Qe5 25.Qe5 Re5–+ (25...Ne5?! 26.Rd4–+)) 23...f5 (better is 23...Ne3 24.Nc4 Nc4 25.Bd3 Qc5 26.Kh1 Nb2–+) 24.fe4 fe4 25.Qc2 Ne3 26.Qc3 Qe5 27.Qe5 Re5 28.Rd2 c3 29.Rd3 ed3 30.Bd3 c2 31.Rc1 Rc3 32.Nc2 Rd3 (32...Rd3 33.Ne3 Rde3–+) 0–1. mihai740609 – mocaszfuszero, kurnik, 2013.

6.a4 c6 7.bc6 Nc6 8.Be2 Ne4 9.Bf3 Nd6 10.Ne2 Nc4 11.Bc3 Nb4 12.0-0 e6 13.Na3 Na3 14.Ra3 Nd5 15.Bd5 ed5 16.Nf4 Qe7 17.Ra1 d6 18.Nd5 Qg5 19.Nf4 Bg4 20.Qd2 Bh6 21.h3 Bd7 22.d5 Qh4 23.Qd4 f6 24.Ne6 Be6?? (better is 24...Qd4 25.Bd4 Rfc8+–) 25.Qh4 (25.de6?! Qd4 26.ed4 Rfc8+–) 25...Bg5 26.Qc4 Bf7 27.Qb5 Rab8 (27...Rfc8 28.Bd4+–) 28.Qa5 Rbc8 29.Bd4 Bh6 30.c3 Bg7 31.Qb4 Bd5 32.Qd6 Rcd8 33.Qc7 Bc6 34.a5 Rc8 35.Qg3 Rf7 36.a6 ba6 37.Ra6 Bb5 38.Rb6 Bf1 39.Kf1 Rff8 40.Qf3 f5 41.Bg7 Kg7 42.Qf4 Rf7 43.Qe5 Kf8 44.Rf6 Re8+– 45.Rf7 Kf7 46.Qd5 Kf6 47.c4 Re5 48.Qd6 Re6 49.Qf8 Ke5 50.c5 Kd5 51.Ke2 Rc6 52.Qd8 Kc5 53.Qe7 Kb6 54.Qh7 Rc2 55.Kf3 Rc6 56.h4 Kb5 57.h5 gh5 58.Qf5 Rc5 59.Qf8 Kc6 60.g4 hg4 61.Kg4 Rd5 62.f4 Rd6 63.f5 Kd5 64.Kg5 Rc6 65.Qd8 Rd6 66.Qd6! Kd6 67.e4 Ke5 68.f6 Ke4 69.f7 Kd4 70.f8Q Kc4 ½–½. wojtekkk – xherma (1605), kurnik, 2011.

6.a4 c6 7.Nf3 cb5 8.Bb5 d6 9.Nbd2 Bd7 10.Bd7 Qd7 11.0-0 Nc6 12.h3 Nd5 13.c4 Ndb4 14.Bc3 d5 15.c5 Na6 16.Re1 (better is 16.Nb3+=) 16...Nc5–/+ 17.Qc2 Ne6 18.Nb3 Rac8 19.Nc5 Nc5 20.dc5 Bc3 21.Qc3 f6 22.Red1 e6 23.e4 Rcd8 24.ed5 ed5 25.Qd3 Ne5 26.Ne5 fe5 27.Rac1 d4 28.Rb1 Qa4 29.Rb7 e4! 30.Qe4?? Qd1–+ 31.Kh2 Rde8 32.Qe5 Re5–+ (32...Re5 33.Rf7 Rf7 34.f4 Qf1 35.fe5 Rf2 36.Kg3 Qg2 37.Kh4 Rf4) 0–1. wojtekkk – xherma, kurnik, 2011.

6.Nf3 d5 7.c4 Nbd7 8.Nbd2 a4 9.Qc1 Ne4 10.cd5 Nd2 11.Nd2 Nb6 12.Bd3 Nd5 (worse is 12...Qd5 13.Qc7 a3 14.Bc1+/–) 13.0-0 Bf5 14.Bf5 gf5 15.Ba3 Qd7 16.Rb1 Kh8 17.Qc2 Rg8 18.Rfc1 Bf6 19.Kf1 Rg6 20.Nf3 f4? (better is 20...Qe6=) 21.e4+– Rg2 22.ed5 (22.Kg2 Rg8 23.Kf1 Ne3 24.fe3 Qh3 25.Ke2 Rg2 26.Kd3 Rc2 27.Rc2 Qf3+=) 22...Qg4 23.Qe4 Bh4 24.Rb2 Rg8 (24...f5 25.Qd3 Qh3 26.Ke1 Rg1 27.Kd2+–) 25.Ke1 Qh3 26.Rbc2 f5 27.Qe5 (27.Qf4 R2g4 28.Qe5 Bf6–/+) 27...Bf6 28.Qe2 (28.Qf4 R2g4 29.Qe3 Re4–+) 28...Bh4 (28...Rg1 29.Kd2 Rc1 30.Rc1+– (worse is 30.Bc1 Rd8+–)) 29.Nh4 (29.Nh4 Rg1 30.Kd2 Qa3 31.Qe5 R1g7 32.Nf5 Qb4 33.Rc3 Qb2 34.Ke1+–) 1–0. Johannes,Jan (2190) – Gnuechtel,Andreas (2245), CiF, 2008.

6.d4 c5 7.bc6 bc6 8.Nbd2 Ba6 9.Ba6 Na6 10.0-0 Rb8 11.Rb1 Qc7 12.c4 c5 13.d5 (13.a3=) 13...Nb4 (better 13...Rb2 14.Rb2 Nd5 15.cd5 Bb2=+) 14.a3+/- Na6 15.Bc3 (15.Qa4 Rfe8+/-) 15...d6 (15...Rb1 16.Nb1 e6 17.de6 fe6 18.Be5+=) 16.Qa4+/- Rb1 17.Rb1 Rb8 18.Ba5 Rb1 19.Nb1 Qb7 20.Qc2 Nd7 21.Bc3 Nb6 22.Bg7 Kg7 23.Nbd2 Nc7 24.h3 Qa6 25.Qc3 f6 26.e4 Na4 27.Qb3 Nb6 28.g4 Qa5 29.Kg2 Na6 30.h4 White prepares g5 30...Na4 31.h5 Nc3 (better 31...gh5!? 32.g5 Nb6+-) 32.hg6 hg6 33.g5 Ne2 34.gf6 Kf6 (34...ef6 35.Qb7 Kh6 36.Qe7 Nf4 37.Kh2+-) 35.e5! de5 36.Qe3 Nf4 37.Kg3 Qc7 38.Ne4 Kg7 39.Neg5 Qd7 (39...Qb8 40.Ne5 Nd3+-) 40.Qe5 Kg8 41.Qf4 Nc7 (41...Qd6+-) 42.Qf7 (42.Qf7 Kh8 43.Qh7) 1-0. cipiripi (2515) - filmer75 (2715), Rated bullet game, lichess.org, 2021.

6.Be2 a4 7.c4 c6 8.0-0 d6 9.a3 cb5 10.cb5 Nbd7 11.d4 Nb6 12.Bd3 Bf5 13.Bf5 gf5 14.Nc3 Qd7 15.Qd3 Rfc8 16.Nd2 (16.Rac1 Rc7+=) 16...d5= 17.Rfc1 e6 18.Nd1 (18.Rc2 Ne8=) 18...Ne4=+ 19.Ne4 fe4 20.Qe2 Nc4 21.Nc3 f5 22.Rd1 Qf7 (22...Rc7 23.Rdc1-/+) 23.Na2 (23.Ra2 e5=+) 23...Rc7 24.Nc3 e5 Black prepares the advance f4 25.Rac1 ed4 (25...Nb2?! 26.Qb2 ed4 27.ed4=+) 26.ed4 f4 27.Qc2 (27.Kf1 f3 (27...Nb2?! 28.Qb2 f3 29.g3-/+) 28.Qc2 fg2 29.Kg1 Bh6-+) 27...f3-+ 28.gf3 Bh6 (28...Bd4 29.Nd5 Qd5 30.Bd4 (30.Rd4? Qg5 31.Kh1 Ne3 32.fe3 Rc2 33.Rc2 ef3-+) 30...ef3 31.Kh1+-) 29.fe4-/+ Qf3 30.Nd5 Rg7 (30...Bc1!? 31.Rc1 Rg7 32.Kf1 Rg2-+) 31.Kf1=+ Rf8 (31...Nb2 32.Nf6 Qf6 33.Qb2-+) 32.Ne7 (32.Nf6 Rf6 33.Qc4 Rgf7 34.Qc8 Rf8 35.Qc4 Kh8 36.Qc2 Bc1 37.Rc1 Qh1 38.Ke2 Rf2 39.Kd3 Qf3 40.Kc4 Rc8 41.Kb4 Rfc2 42.Rc2 Rc2 43.Ka5-+) 32...Kh8 33.Ng6 Rg6 34.d5 Bg7 35.Bg7 Rg7 36.d6 (36.h4 Qh3 37.Ke2 Rf2 38.Kf2 Qe3 39.Kf1 Rg1) 36...Qh3 37.Ke2 Rf2!! 38.Kf2 (38.Kf2 Qe3 Mate attack) 38…Qe3 (38...Qe3 39.Kf1 Rg1) 0-1. DEFFM – GuestHGWC, freechess.org, 2021.

6.Be2 d5 7.0-0 =.

6.Be2 d6 7.0-0 a4 =.

6.Be2 d6 7.d4 Nbd7 (7...c5 8.0-0=) 8.0-0 c5 9.c4 (9.Nbd2 cd4 10.ed4 d5=) 9...cd4+= 10.ed4 a4 (10...Qc7 11.Nbd2=) 11.Na3 (11.Re1 Qc7+=) 11...b6 (11...Ne4 12.Re1=) 12.Ng5 (12.Re1 Bb7+=) 12...Bb7= 13.Re1 (13.Rc1 Qc7=) 13...Re8 (13...d5 14.Rc1 dc4 15.Rc4+=) 14.Bf3 Bf3 15.Qf3 h6 16.Ne4 Ne4 17.Re4 (17.Qe4 e6=) 17...e6 (17...d5 18.Re3=) 18.Rc1 Rc8 (18...Nf6 19.Re3+=) 19.Rb1 (19.Rc2 Rc7=) 19...Nf6 20.Ree1 (20.Re2 d5 21.Rc1 Qd6=) 20...d5 21.c5 bc5 (21...Ne4 22.Qe3=+) 22.dc5 Rc5 23.Bd4 Rc8 24.Qd3 (24.b6 Rb8=+) 24...Ne4 25.b6 (25.Bg7 Kg7 26.b6 Qf6-/+) 25...Bd4-/+ 26.Qd4 e5 27.Qb2 (27.Qb4 Rb8-/+) 27...Qd6 28.Qb4 Qc6 29.f3 (29.b7 Rb8-/+) 29...Nc3 (30.Rb2 d4-/+) 0-1. Schulz,Hans_Juergen - Borrmann,Fritz, TT-17.23 ETC, 2005.

6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5).

6.c4 d6 (--> 4.c4 Bg7 5.Nf3 d6 6.e3 0-0).

6.c4 d6 7.d4 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

6.d4 cd4 7.Bd4 (7.Qd4? Nh5 8.Qg7 Ng7 9.Bg7 Rg8–+; 7.Nd4?! 0-0=) 7...d6 8.Bd3 =.

6.d4 d6 7.Be2 (7.dc5!? dc5 8.Qd8 Kd8 9.Ng5+/–) 7...Nbd7 8.Nbd2 b6 9.0-0 Bb7 10.c4 0-0 11.d5 e6 12.e4 ed5 13.ed5 (worse is 13.cd5 Re8+=) 13...Re8 14.Bd3 (14.Re1 a4+=) 14...Nh5 (14...Nd5!? 15.Bg7 Nf4 16.Bg6 fg6=) 15.Bg7+/– Kg7 16.Qc2 Ne5 17.Ne5 Re5 18.Nf3 Re8 19.Qc3 Qf6 20.Qf6 Kf6 21.Rae1 Nf4 22.Bc2 Rad8 23.g3 Nh5 (23...Nd5!? 24.Be4 Re4 25.Re4 Nb4 26.Rf4 Kg7+=) 24.h4 Bc8 25.Kg2 Bg4 26.Ng5 (26.Nd2 Kg7+/–) 26...h6 (better is 26...Be2!? 27.Ne4 Re4 28.Be4 Bc4+=) 27.f3 Bd7? (better is 27...Re1!? 28.Re1 Bf5 29.Ne4 Kg7+=) 28.Ne4+– Re4 29.Re4 Ng7 30.g4 Re8 31.Rfe1 Re4 32.Re4 g5 33.Kg3 Ne8 34.hg5 hg5 35.f4 gf4 36.Kf4 Ng7 37.g5 Kg6 38.Re7 Bf5+– 39.Bf5 Nf5 40.Rf7! Nd4 41.Rf6 Kg7 42.Rd6 Ne2 43.Ke3 Nc3 44.a3 Nb1 45.Rb6 Na3 46.Kd3 a4 47.Ra6 1–0. blackiwhite (1670) – amistad83 (1905), kurnik, 2013.

6.Be2 b6 7.0-0 0-0 8.a4 Bb7 9.c4 Qc7 10.d4 d6 11.Nbd2 cd4 12.ed4 Nbd7 13.Rc1 e5 14.c5 (14.Re1 Rfe8=) 14...bc5+= 15.de5 de5 16.Bc4 Bh6 17.Qc2 (better is 17.Rb1!?+=) 17...e4–+ 18.Ne1? (better is 18.Nd4!? e3 19.fe3 Be3 20.Kh1–/+) 18...Ng4 19.g3 e3 20.Ne4 Be4 21.Qe4 (21.Bf7 Rf7 22.Qe4 ef2 23.Rf2 Rf2 24.Qa8 Rf8 25.Qd5 Rf7–+) 21...ef2 22.Rf2 Nf2 23.Kf2 Rae8 24.Bf7 (24.Qc2 Be3 25.Kg2 Bc1 26.Qc1–+) 24…Rf7 (24...Rf7 25.Qf3 Ne5–+) 0–1. Kenanthonylucas – PeterRs, ChessWorld.net, 2012.

6.Nf3 c6 7.c4 d5 8.a4 Nbd7 9.Be2 Ne8 (9...dc4!? 10.Bc4 Nb6+=) 10.Bg7+= Ng7 11.0-0 Re8 12.Ne5 Nf8 (12...cb5 13.cb5 Nf5 14.Ra3+=) 13.Nc3 (13.bc6 f6 14.cb7 Bb7+/–) 13...f6 14.Ng4 e6?? (14...Bg4!? 15.Bg4 dc4 16.bc6 bc6+=) 15.d4 (better is 15.Nh6 Kh8 16.Nf7 Kg8 17.Nd8 Rd8 18.c5+–) 15...Qe7 16.c5 e5 (16...Nf5 17.e4 de4 18.Ne4+/–) 17.Nh6+– Kh8 18.fe5 fe5 19.Nf7 Kg8 20.Ne5 Nf5 21.Qd2+– Qg5 22.Rf3 Re5? 23.de5+– Ne6 24.Raf1 Nc5? 25.Bd3 Be6 26.Ne2?? Re8 27.Nf4 Kg7?? 28.Qf2 Ne4? 29.Be4 de4 30.Rh3 h5?? 31.Ne6 Re6 32.Qf4 Qe7 33.Rh5?? gh5= 34.Qf5 Rg6?? 35.Qe4 Rg4 36.Qf5 Qc5?? 37.Qh5 Qe3+– 38.Kh1 Rf4 39.Qg5 Kh7 40.Qf4 Qb3 41.Qf7 Kh6 42.Qb3 cb5 43.Qg8 b4 44.Rf3 b5 45.Rh3 1–0. lllllll21 – gramnaczas, kurnik, 2012.

6.Nf3 d5 7.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.e3 Bg7 4.f4 0-0 5.Nf3 d5 6.Be2 a5 7.b5).

6.Nf3 d6 7.Be2 Nbd7 8.0-0 Nh5 9.c3 e5 10.fe5 Ne5 11.Ne5 Be5 12.Bh5 gh5 13.Qh5 Kh8 14.Rf7 Rf7 15.Qf7 Bd7 16.d4 Bh2 17.Kh2 Qh4 18.Kg1 Rg8? (better is 18...Qe1 19.Qf1 Qe3 20.Qf2 Qf2 21.Kf2 Rf8 22.Kg3 Bb5+–) 19.c4?? (better is 19.Qf2 Qf2 20.Kf2 Rf8 21.Kg3 Bb5 22.Nd2+–) 19...Bh3?? (better is 19...Qe1 20.Qf1 Rg2 21.Kg2 Bh3 22.Kh3 Qf1 23.Kg3 Qe2+=) 20.d5 (20.d5 Qf6 21.Qf6 Rg7 22.Qg7#) 1–0. elsh1403 – wiltembergb, kurnik, 2012.

5.a4 Bg7 6.Nf3 Nbd7 7.Be2 0-0 8.d3 Nb6 9.0-0 Bd7 10.c4 e5 11.Nc3 Be6 12.Rc1 Nbd7 13.h3 Nc5 14.Qc2 c6 15.bc6 bc6 16.Ba3 Na6 17.Na2 Rb8 18.Qc3 c5 19.Rb1 Nb4 20.Bb4 (20.Qd2!?+=) 20...cb4–/+ 21.Nb4 ab4 22.Rb4 Qa5 23.Rfb1 Rb4 24.Qb4 Qb4 25.Rb4 Ra8 26.Bd1 Nd7 27.Nd2? (better is 27.Ng5!?–/+) 27...Nc5–+ 28.Rb6 Bf8 29.Rb4 Nd3 30.Rb7 Nc5 31.Rc7 Na4 32.c5 Nc5 33.Nb3 Bb3 34.Bb3 Nb3 35.Rc3 Nc5 36.Kh2 Kg7 37.f3 Rb8 38.Kg3 Rb3 39.Rc1 Ne4 40.Kg4 f5 41.Kh4 Be7 0–1. erisonpassos – luizlima45, kurnik, 2011.

5.c4 Bg7= 6.Qc2 0-0 7.Nc3 c6 (7...e5 8.Nf3=) 8.Nf3 e5 (8...cb5 9.cb5 Bg4 10.Be2=) 9.Be2 Nbd7 (9...cb5 10.cb5 Be6 11.d4+=) 10.0-0+= Nh5 11.Rad1 c5 12.g3 Nb6 13.Ne1 Bh3 14.Ng2 Qg5 15.d3 f5 16.ef5 gf5 17.Bf3= Rae8 18.Bc1+/– Qg6 19.Bb7 e4 20.Nd5 f4?? 21.Ndf4 Nf4 22.Nf4 Rf4 23.Bf4 Qh5?? 24.f3 Bd4 25.Kh1 e3 26.Be4 d5? 27.cd5 Nd5 28.b6?? Nc3?? 29.Be3 Nd1 30.Bd4 cd4? 31.Qd1 Bf1+/– 32.Qf1 Qb5 33.b7+– Re7 34.Qc1 Kg7 35.a4! Qe5 36.Qc8 Re8 37.Kg2 (37...Qb8 38.Qd7 Kf8 39.Qd4+– (39.Qh7 Qd6 40.Qf5 Ke7+–)) 1–0. Campora,Daniel Hugo (2525) – Teran Alvarez,Ismael (2310), Santiago op, 1995.

5.Be2 Bg7 6.d3 (6.Nf3 0-0 7.d3 Nbd7 8.0-0 Nc5 9.Nc3 a4 10.a3 Bd7 11.Rb1 h6 12.Nd5+=) 6...0-0 (6...c6 7.a4 (7.c4 a4 8.bc6 Nc6 9.Nf3 0-0 10.0-0 Qb6 11.Bc3 Bg4 12.Nbd2=; 7.Nc3 a4 8.d4 Qa5 9.Qd2 a3 10.Bc1 Bh6 11.Qd3 Bc1 12.Rc1–+) 7...0-0 8.Nf3 Qb6 9.Nc3 d5 10.e5 Nfd7 11.d4 Re8 12.0-0+=; 6...Bd7 7.a4 (7.c4 a4 8.Nf3 c6 9.bc6 Nc6 10.0-0 Qb6 11.Bc3 0-0 12.Nbd2+=) 7...c6 8.c4 Qb6 9.Nc3 0-0 10.Nf3 c5 11.0-0 Bg4 12.Ng5+=; 6...a4 7.Nf3 c6 8.bc6 Nc6 9.0-0 Qb6 10.Bc3 0-0 11.Nbd2 Qc5 12.Nc4=) 7.Nd2 (7.Nf3 Bd7 (7...c6= 8.c4 Bd7 9.a4 c5 10.0-0 Bg4 11.h3 Bf3 12.Bf3+=) 8.c4 a4 9.0-0 c6 10.Na3 c5 11.Qd2 Qb6 12.Rad1+=; 7.c4 a4 8.Nf3 e5 9.0-0 Nbd7 10.Nc3 Nc5 11.Rb1 Nfd7 12.a3=) 7...c6 (7...Bd7 8.d4 Qe8 9.c4 c6 10.e5 Nh5 11.Bh5 gh5 12.a4+=) 8.a4 (8.d4 cb5 9.Bb5 Bd7 10.Bd7 Nbd7 11.c4 Rc8 12.Ngf3=) 8...e5 (8...cb5 9.ab5 a4 10.c4 Qa5 11.Qc2 Nbd7 12.Bc3=) 9.c4 (9.Ngf3 Nbd7 10.0-0 Nc5 11.c3 Qc7 12.Ba3=) 9...Qe7 (9...Nfd7 10.Ngf3 Nc5 11.0-0 f5 12.Re1=) 10.Ngf3 Bg4 (10...Nbd7 11.0-0= Nc5 12.Rb1=; 10...Nh5 11.0-0 f5 12.bc6=) 11.h3 (11.0-0 Re8 12.h3+=) 11...Bf3 (11...Be6 12.0-0=) 12.Bf3 (12.Nf3+=) 12...Rd8 13.0-0 Nfd7 14.Nb3 f5 (14...cb5 15.ab5 a4 16.Bg4+=) 15.ef5 gf5 16.Qd2 (16.bc6 Nc6 17.Bd5 Kh8 18.Qf3+/–) 16...Qh4 (16...Nc5 17.Qc3=) 17.Kh2 (17.Na5 e4 18.Bg7 ef3 19.Bh6 fg2 20.Kg2+/–) 17...Nf6? (better is 17...Nc5!? 18.Na5 e4 19.Bg7 Kg7 20.de4 fe4 21.Qd4 Qf6 22.Qf6 Kf6 23.Nb7 Nb7 24.Be4 Nc5+/–) 18.g3 (18.Na5!? Bh6 19.Qe1 Rd7+–) 18...Qh6 19.Qh6 Bh6 20.Bc3 b6 21.Rab1 (better is 21.bc6!? Ra7 22.Rab1+–) 21...Rc8+/– 22.bc6 Nc6 23.Rb2 Ra7 24.Bc6+– Rc6 25.f4 Nd5 26.Bd2 Nb4 27.fe5 de5 28.Bh6+= Rh6 29.Rf5 Nd3= 30.Rd2 Rd7 31.Nc1 Rhd6 32.Nd3 Rd3 33.Rd3 Rd3 34.Re5 Rd2 35.Kg1 Ra2 36.c5 bc5 37.Rc5 Ra4 38.Kg2 Kg7 39.h4 Kg6 40.Kh3 h5 41.Rc6 Kh7 42.Rc5 ½–½. Brosmann,Peter – Gottwald,Bernhard (1925), RSS5E NoEngine–104, 2010.

5.f3 Bg7 6.d4 e5 7.c3 Nbd7 8.Na3 0-0 9.Bd3 d5 10.Ne2 de4 11.fe4 Ng4 12.Ng1? ed4–+ 13.cd4 Nc5! 14.Nf3 Ne3 15.Qd2 Ng2!–+ 16.Ke2 Nh4 17.h3?? Nf3 18.Kf3 Bd4 (19.Bd4 Qd4–+) 0–1. Capece,Adolivio – Zichichi,Alvise, Chioggia ITA–ch, 1973.

6.Ne2 0-0 7.d3 c6 8.a4 (8.bc6 Nc6 9.0-0 Qb6 10.Bf6 Bf6=) 8...d5=+ 9.ed5 cd5 10.Bb3 Re8 (10...Nbd7 11.0-0=+) 11.c4 (11.0-0 Nbd7=) 11...e6 12.0-0= b6 13.Nd2 Bb7 14.Rc1 Qd6 15.Bf6 Bf6 16.cd5 Bd5 17.Bd5 Qd5= 18.Ne4 Bg7 19.Nf4 Qe5 20.Qf3 Nd7 21.Rc6 Rac8 22.Rfc1 Rc6 23.bc6+= Rc8 24.g3 Nc5 25.Ne2 Na4 26.d4 Qc7?? 27.Qb3+= (27…b5 28.Qb5+=). Kukula – Wolfram, corr 3GMM–46, 1995.

6.Nf3 0-0 =.

6.f4 0-0 7.e5 de5 8.fe5 Nfd7 9.d4 Nb6 10.Be2 Be6 11.Nf3 Nc4 12.Bc1 c5 13.c3 cd4 14.cd4 f6 15.Na3 Qc7 16.Qc2+= Rc8 17.Bc4 Bc4 18.Qc4 Qc4 19.Nc4 Rc4 20.e6 a4 21.Ba3 Rc3 22.Bc1 f5 23.Ke2+/– Na6 24.Bd2+– Rcc8 25.ba6 Ra6 26.Rhe1 Re6 27.Kd3 Re1 28.Re1 Rc7 29.Rc1 Rd7 30.Bf4 g5? 31.Rc8 Kf7 32.Ng5 Kg6 33.Ne6 Bf6 34.Nf8 Kf7 35.Nd7 b5 36.Nf6 Kf6 37.Rb8 Kg6 38.Rb5 Kf6 39.Ra5 Kg6 40.Ra4 h5 41.Rc4 e6 42.a4 Kf7 43.a5 Kf6 44.a6 Kf7 45.a7 e5 46.de5 Ke6 47.a8Q (47...h4 48.Qe8 Kd5 49.Qc6#) 1–0. Kucharkowski,Jens – Liebmann,Bernd, corr DDR/I/177, 1982.

11.0-0 A) 11...Re8 A1) 12.h3 e5 13.d4 e4 14.Nbc3 Nb6 15.Qd2 Be6 16.Nf4 Bh6; A2) 12.d4 Qc7 (12...Nb6 13.Nbc3 Qc7 14.Bc1 Bf5 15.Bf4 Qd7 16.Ng3 Rac8) 13.Nbc3 Nb6 14.Bc1 Be6 15.Qd3 Rac8 16.Bf4 Qd7; A3) 12.Nd2 e5 (12...Qc7 13.Nc3 e6 14.Qe2 b6 15.Nf3 Bb7 16.Nd1 e5; 12...Nc5 13.Be5 Ng4 14.Bg7 Kg7 15.h3 Nf6 16.d4 Nb3) 13.Nf3 Qc7 14.Nc3 d4 15.Nd5 Nd5 16.Bd5 Nf6; B) 11...Nc5 B1) 12.Be5 Ng4 (12...Nb3 13.cb3 Ng4 14.Bg7 Qd6 15.g3 Kg7 16.Nbc3 e5; 12...d4 13.Bd4 Nb3 14.cb3 Qd6 15.Nd2 Ng4 16.Nf3 Nh2) 13.Bg7 Qd6 14.Ng3 Kg7 15.Nc3 Nb3 16.cb3 Be6; B2) 12.Nd2 Qc7 (12...Qd6 13.Nf3 Bg4 14.Be5 Qb6 15.Nc3 Nb3 16.cb3 Rfd8; 12...Be6 13.Nf4 Qd6 14.Ne6 Ne6 15.Ba3 Qd7 16.Rb1 Nh5) 13.Nf3 Bg4 14.Be5 Qb6 15.Nc3 Nb3 16.cb3 Rfd8.

11.Nbc3 Nc5 A) 12.Ng3 h5 13.0-0 h4 14.Nge2 h3 15.d4 Nb3 16.cb3 Bf5; B) 12.f3 Nb3 (12...e5 13.0-0 Nb3 14.cb3 Re8 15.Qd2 Qb6 16.Kh1 Bd7; 12...Re8 13.0-0 Nb3 14.cb3 e5 15.Qd2 Qb6 16.Kh1 Bd7) 13.cb3 d4 14.Ne4 Nd5 15.Qd2 f5 16.N4g3 Ne3; C) 12.0-0 d4 (12...Nb3 13.cb3 d4 14.Nb1 Nd5 15.Na3 e5 16.Ng3 Qh4) 13.Nb1 e5 14.Nd2 Qe7 15.Ng3 Rd8 16.Re1 Qc7; D) 12.d4 Nb3 13.cb3 Bf5 14.0-0 Rc8 15.Qd2 Qb6 16.Rfc1 Rfd8.

11.Nd2 A) 11...Nc5 A1) 12.h3 Re8 (12...Nb3 13.Nb3 Qc7 14.f4 Bd7 15.Be5 Qb6 16.Ned4 Rfc8; 12...Qd6 13.Nf3 Nh5 14.Bg7 Kg7 15.0-0 Nf6 16.Qc1 Re8) 13.Nf3 Nh5 14.Bg7 Kg7 15.d4 Nb3 16.cb3 Bf5; A2) 12.0-0 Re8 (12...Qc7 13.Nf3 Bg4 14.Be5 Qb6 15.Nc3 Nb3 16.cb3 Rfd8; 12...Qd6 13.Nf3 Bg4 14.Be5 Qb6 15.Nc3 Nb3 16.cb3 Rfd8) 13.Be5 Ng4 14.Bg7 Kg7 15.h3 Nf6 16.d4 Nb3; B) 11...Qb6 B1) 12.h3 Qd6 (12...e5 13.0-0 Qd6 14.d4 Re8 15.de5 Ne5 16.Re1 Qc7; 12...Re8 13.0-0 Qd6 14.d4 Nb6 15.Nc1 Be6 16.Qe2 Bh6) 13.Ba3 Qc7 14.Nf3 Nc5 15.0-0 Re8 16.Qc1 b6; B2) 12.d4 Qd6 (12...Qc7 13.c4 dc4 14.Nc4 Nb6 15.Ne5 Nbd5 16.0-0 Be6; 12...Qd8 13.0-0 Nb6 14.Nf3 Bh6 15.Ne5 Be6 16.Nc3 Qc7) 13.c4 b6 14.Ba3 Qb8 15.0-0 Bb7 16.g3 dc4; B3) 12.0-0 Nc5 (12...Rd8 13.h3 Nc5 14.Nf3 Bh6 15.Re1 Be6 16.Ned4 Rac8; 12...Bh6 13.h3 Re8 14.Re1 Nc5 15.Be5 Nfd7 16.Bd4 Qd6) 13.h3 Qd6 14.Nf3 Nh5 15.Bg7 Kg7 16.Qe1 Be6; C) 11...b6 C1) 12.h3 e5 (12...Bb7 13.0-0 e5 14.Ng3 Qc7 15.Qe2 Rae8 16.Rfe1 Bh6; 12...Qc7 13.Nd4 Bb7 14.0-0 e5 15.Nc6 Bc6 16.bc6 Qc6) 13.0-0 Re8 14.d4 Bb7 15.de5 Ne5 16.Re1 Qc7; C2) 12.Nd4 Nc5 (12...Qc7 13.Nc6 Nc5 14.Qe2 Re8 15.Be5 Qd7 16.0-0 Bb7; 12...Re8 13.Nc6 Qc7 14.0-0 Bb7 15.Qf3 Bc6 16.bc6 Qc6) 13.Nc6 Qd6 14.Qe2 Bb7 15.Be5 Qd7 16.Nd4 Bh6; C3) 12.Nf3 Nc5 (12...Bb7 13.0-0 Qc7 14.Ned4 Rfe8 15.Re1 Nc5 16.Nc6 Bc6; 12...Qc7 13.Ned4 Re8 14.0-0 Bb7 15.Re1 Nc5 16.Nc6 Bc6) 13.0-0 Bb7 14.Be5 Ncd7 15.Bb2 Qc7 16.Ned4 Rfe8; C4) 12.0-0 Qc7 (12...Nc5 13.h3 Bb7 14.Nd4 Qd6 15.Re1 Rac8 16.Qe2 Rfe8; 12...e5 13.Re1 Bb7 14.Nf3 Qc7 15.Qd2 e4 16.Nfd4 Nc5) 13.Nf3 Bb7 14.Ned4 Rfe8 15.Re1 Nc5 16.Ne5 Nfd7; D) 11...Re8 D1) 12.Nf3 Qc7 (12...e5 13.0-0 Qc7 14.Nc3 d4 15.Nd5 Nd5 16.Bd5 Nf6; 12...Nc5 13.h3 Nh5 14.Bg7 Kg7 15.0-0 e5 16.Re1 Be6) 13.0-0 e5 14.Nc3 d4 15.Ne4 Ne4 16.de4 Nc5; D2) 12.d4 b6 (12...Nb6 13.0-0 Qd6 14.Nf3 Be6 15.Re1 Nc4 16.Bc4 dc4; 12...e5 13.0-0 b6 14.Re1 Bb7 15.de5 Ne5 16.Nd4 Qc7) 13.0-0 Bb7 14.Nf3 Ne4 15.Ne5 Ne5 16.de5 Bh6; D3) 12.h3 e5 (12...Qc7 13.d4 b6 14.0-0 Bb7 15.Re1 e5 16.Nf1 e4) 13.d4 ed4 14.0-0 d3 15.cd3 Nc5 16.Bc2 Qd6; D4) 12.0-0 Nc5 (12...e5 13.Nf3 Qc7 14.Nc3 d4 15.Ne4 Ne4 16.de4 Nc5; 12...Qc7 13.Nc3 Nb6 14.Nf3 e5 15.Re1 Bf8 16.Ne2 Bb4) 13.Be5 Ng4 14.Bg7 Kg7 15.h3 Nf6 16.d4 Nb3; E) 11...Qc7 E1) 12.d4 Nb6 (12...b6 13.0-0 Bb7 14.f3 e5 15.c4 ed4 16.Bd4 Nc5; 12...Rd8 13.h3 Nb6 14.0-0 Nc4 15.Bc4 dc4 16.Nf3 Nd5) 13.0-0 Rd8 14.h3 Be6 15.Ng3 Nc4 16.Bc4 dc4; E2) 12.Ng3 e5 (12...Re8 13.Qe2 e5 14.Nf3 e4 15.de4 Ne4 16.Bg7 Re6; 12...Nc5 13.Qe2 h5 14.Be5 Qb6 15.h4 Bh6 16.Nf3 Bg4) 13.Qe2 Re8 14.Nf3 e4 15.de4 Ne4 16.Bg7 Re6; E3) 12.h3 Re8 (12...b6 13.0-0 e5 14.Re1 Bb7 15.Ng3 Rae8 16.Qe2 Bh6; 12...Nc5 13.Nf3 Nb3 14.cb3 Be6 15.0-0 Bh6 16.Bc1 Bg7) 13.d4 b6 14.0-0 Bb7 15.Re1 Rac8 16.c4 e5; E4) 12.Nf3 e5 (12...Re8 13.0-0 e5 14.Nc3 d4 15.Nd5 Nd5 16.Bd5 Qd6) 13.Ba3 Re8 14.0-0 e4 15.de4 Ne4 16.Ng3 Ndc5.

11.d4 Nb6 12.Nd2 (12.0-0 Qc7 (12...Bd7 13.h3 Rc8 14.Nd2 Qc7 15.Ng3 Be6 16.Re1 Bh6; 12...Bh6 13.Bc1 Bc1 14.Qc1 Bg4 15.f3 Bf5 16.Qf4 Qd7) 13.Nd2 Nc4 14.Bc4 dc4 15.Nf3 Nd5 16.Nc3 Rd8; 12.h3 Qc7 (12...Qd6 13.0-0 Be6 14.Nbc3 Qc7 15.Qd3 Rac8 16.Rae1 Qd6; 12...Be6 13.0-0 Qc7 14.Nd2 Bh6 15.Ng3 Rac8 16.Qe2 Bf4) 13.Nd2 Nc4 14.Bc4 dc4 15.0-0 Rd8 16.Nf3 Nd5; 12.Nbc3 Bf5 (12...Qc7 13.0-0 Bf5 14.Bc1 Rac8 15.Bf4 Qd7 16.f3 Nc4; 12...Qd6 13.0-0 Bh6 14.Bc1 Bc1 15.Qc1 Bd7 16.Qf4 Rac8) 13.Ba3 Rc8 14.0-0 Nc4 15.Bc5 b6 16.Bc4 bc5) 12...Qc7 (12...Be6 13.0-0 Qc7 14.h3 Bh6 15.Ng3 Bf4 16.Nf3 Rac8; 12...Bg4 13.0-0 Qc7 14.h3 Be6 15.Ng3 Ne8 16.Nf3 Nd6) 13.0-0 Ng4 (13...Nc4 14.Bc1 (14.Bc4 dc4 15.Nf3 Rd8 16.Re1 Nd5) 14...Bf5 (14...Be6 15.h3 Rfd8 16.Nf4 Qf4) 15.Nf3+= Nh5 16.Nc3 Rfd8; 13...Be6 14.Ng3 Ne8 15.Re1 Nd6 16.h3 Bf6) 14.Nf3= Nc4 15.Bc4 Qc4 (15...dc4 16.h3 Nf6) 16.h3 Nf6 17.Ne5 Qc7 18.c4 (18.Ra3 Bf5=) 18...dc4 19.Rc1 Be6 (19...Nd5 20.Rc4 Qb6 21.Rc1=) 20.Nf4 Qd6 21.Ne6 Qe6 22.Nc4 Nd5 23.Re1 Qf5 24.Ne3 Ne3 25.fe3 Qd7 26.Qd2 Rfc8 27.Rc8 (27.Ba3 Qe6=) 27...Rc8 28.Rc1 (28.Qa5 Rc2 29.Bc1 Qd5–/+) 28...Rc1 29.Qc1 Bh6 30.Qc3 Qe6 31.Bc1 Qa2 (31...b6 32.Kh2=) 32.Kh2 Qa4 33.Qc8 Kg7 (better is 33...Bf8 34.Qb7 e6=) 34.Qb7+– Qc2 (34...Qb4 35.Qc6 a4+–) 35.Qc6 Qb3 (35...Qa4 36.Qc5 Bg5 37.Qg5 Kg8+–) 36.b6 a4 37.b7 a3 38.Ba3 Qe3 39.b8Q Bf4 40.Qf4 Qf4 41.g3 Qd4 42.Be7 h5 43.h4 Qf2 44.Qg2 Qe3 45.Qb2 Kg8 46.Bf6 Qa7 47.Bd4 Qc7 48.Be5 Qd8N 49.Bc3+– 1–0. Plater,Kazimierz – Doda,Zbigniew, Poland–ch11 Krakow, 1953.

11.d4 Qc7 A) 12.Nbc3 Nb6 13.0-0 Bf5 14.Bc1 Rfc8 15.Bf4 Qd8 16.h3 Qd7; B) 12.h3 Nb6 (12...Rd8 13.0-0 Nb6 14.Nd2 Nc4 15.Bc4 dc4 16.Nf3 Nd5; 12...Re8 13.0-0 Nb6 14.Nd2 Be6 15.Ng3 Bh6 16.Qe2 Bf4) 13.Nd2 Bh6 14.0-0 Be6 15.Ng3 Ne8 16.Qe2 Nd6; C) 12.Nd2 b6 (12...Rd8 13.Ng3 Nb6 14.0-0 Nc4 15.Bc4 dc4 16.Nf3 Nd5; 12...Nb6 13.0-0 Rd8 14.h3 Be6 15.Ng3 Nc4 16.Bc4 dc4) 13.0-0 Bb7 14.f4 Ng4 15.Rf3 Qd6 16.h3 Nh6; D) 12.Bc1 e5 (12...Nb6 13.Bf4 Qd8 14.0-0 Nh5 15.Nbc3 Bf5 16.Be3 Rc8; 12...b6 13.Nbc3 Bb7 14.0-0 Rfe8 15.Bf4 e5 16.de5 Ne5) 13.0-0 ed4 14.Bf4 Qd8 15.Nd4 Nc5 16.Nc3 Nfe4.

11.d4 Re8 A) 12.0-0 Qc7 (12...Nb6 13.h3 Qc7 14.Nd2 Be6 15.Ng3 Bh6 16.Nf3 Bf4) 13.Nd2 Nb6 14.Ng3 Bg4 15.Qe1 Bh6 16.h3 Be6; B) 12.h3 Qc7 (12...b6 13.Nbc3 Bb7 14.0-0 Qc7 15.Qd2 e5 16.Rfe1 Rad8; 12...e5 13.0-0 b6 14.Nbc3 Bb7 15.Re1 e4 16.Nf4 Nf8) 13.0-0 Nb6 14.Nd2 Be6 15.Ng3 Rac8 16.c3 Bh6; C) 12.Nd2 b6 (12...e5 13.0-0 b6 14.Re1 Bb7 15.de5 Ne5 16.Nd4 Qc7; 12...Nb6 13.h3 Be6 14.Nf4 Bf5 15.0-0 Qc7 16.Nd3 Nfd7) 13.0-0 Bb7 14.Nf3 Ne4 15.Ne5 Ne5 16.de5 Bh6; D) 12.Nbc3 Nb6 13.0-0 Qc7 14.Bc1 Be6 15.Bf4 Qd7 16.Qd3 Rac8.

11.d4 Bh6 A) 12.0-0 Qc7 (12...Nb6 13.Bc1 Bg7 14.Nbc3 Bf5 15.Ba3 Rc8 16.Bc5 Nc4; 12...Kg7 13.Nd2 Nb6 14.Nf3 Be6 15.Nc3 Qc7 16.Qe2 Rac8) 13.Bc1 Bc1 14.Qc1 Nb6 15.Qf4 Qf4 16.Nf4 Bf5; B) 12.Nbc3 Nb6 13.0-0 Qc7 14.h3 Be6 15.Bc1 Bc1 16.Qc1 Rac8; C) 12.Nd2 Nb6 (12...Qc7 13.0-0 Nb6 14.Nf3 Bd7 15.Ne5 Ne4 16.Ng3 Nd2; 12...b6 13.0-0 Bb7 14.f4 Qc7 15.Ba3 Rfe8 16.Qe1 Nh5) 13.0-0 Qc7 14.Nf3 Ne4 15.Bc1 Bc1 16.Qc1 Bg4; D) 12.Bc1 Bc1 (12...Kg7 13.Bh6 Kh6 14.Nd2 Nb6 15.0-0 Qd6 16.Nf3 Kg7) 13.Qc1 Nb6 14.0-0 Kg7 15.Qf4 Be6 16.Nd2 Rc8.

6.Bd3 0-0 7.0-0 Nbd7 8.Qe2 e5 9.Re1 Nc5 10.Nc3 1–0. Schulz,Hans_Juergen – Naundorf,Maik, TSC, 2002.

6.Be2 0-0 7.d3 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 0-0 5.e4 d6 6.Be2 a5 7.b5).

8.e5 d5 A) 9.Bb3 A1) 9...Ng4 10.a4 (10.h3 Nf2 11.Kf2 a4 12.Ba4=) 10...Nd7 11.d4 f6 12.Ba3=; A2) 9...a4 10.Ba4 (10.ef6 Bf6 11.Bf6 Qf6 12.c3=) 10...Ra4 11.c4 Ra8 12.ef6=; B) 9.ef6 Bf6 10.Bf6 Qf6 11.Nbd2 dc4 12.Nc4+=.

8.e5 Nd5 9.d4 Nd7 (9...Nf4 10.0-0 Nd7 11.Re1 d5 12.Be2=) 10.0-0 N7b6 (10...Nf4 11.Re1= d5 12.Be2=) 11.Be2 (11.Bd3 Nf4 (11...Nb4= 12.Re1+=) 12.Re1=) 11...Nf4 12.a4 (12.Bc1 Ne2 13.Qe2 f6=) 12...de5 13.de5 Qd1 14.Bd1 Nc4 15.Bc3 Rd8 16.Re1 b6 (16...c6 17.Nfd2 Nd2 18.Bd2=) 17.Nfd2+= Nd2 18.Bd2 Nd5 19.Bf3 Rb8 20.Na3 (20.Ra3 Nb4 21.Bb4 ab4+=) 20...h6 21.Rad1 Bb7 22.Bc1 (22.h3 c6=) 22...Ba8= 23.Bb2 h5 (23...c6 24.c4 Nb4 25.Be2=) 24.c4+= Nf4 25.Rd8 Rd8 26.Ba8 Ra8 27.Rd1 g5 28.Kf1 (28.Rd7 Rc8=) 28...Ng6 29.Re1 Bf8 (29...Rd8 30.Bc3=) 30.Nc2 Rd8 31.Nd4 Nf4 ½–½. Cottarelli,Franco (2185) – Zylla,Johannes (2225), corr ICCF WSTT/3/06/2, 2006.

8.e5 de5 A) 9.Ne5 A1) 9...Nfd7 10.f4 Nb6 11.0-0 Nc4 12.dc4=; A2) 9...c6 10.0-0 (10.Qf3 cb5 11.Bb5 Nd5 12.d4=) 10...cb5 11.Bb5 Nbd7 12.d4=; A3) 9...Qd6 10.Qe2 (10.d4 c5 11.Qe2 Nfd7 12.dc5+=; 10.Nd2 Nd5 11.d4 Nb6 12.a4=) 10...Nd5 11.0-0 Nb6 12.Re1=; A4) 9...Nbd7 10.Nd2 Nd5 11.Nd7 Bb2 12.Nf8+=; B) 9.Qe2 Nd5 10.Ne5 Nb6 11.Qe4 Qd6 12.f4=.

8.e5 Ne8 9.d4 de5 10.de5 Qd1 11.Kd1 Nd7 12.Nbd2 +=.

8.e5 Ng4 9.d4= de5 10.h3 Nf6 11.Ne5 c6 12.Na3 +=.

6.e5 Nfd7 7.Nf3 0-0 8.d4 c6 9.a4 c5 10.c3 de5 11.fe5 e6 12.Nbd2 Nb6 (12...f6 13.ef6 Nf6 14.Ba3+=) 13.Ne4 cd4 14.cd4 N8d7 (14...f6 15.ef6 Bf6 16.Nf6 Rf6 17.Bd3+/–) 15.Nd6 (15.Ba3 Re8+–) 15...Nd5 16.Ba3 Nb4 17.Qb3 Nb6 18.Bc4 N6d5 (18...Nc4!? 19.Nc4 f6+/–) 19.Bd5 ed5 (19...Nd5 20.Nc8 Rc8 21.Bf8 Bf8 22.0-0+–) 20.Bb4 ab4 21.Qb4 Be6? (21...b6 22.Nc8 Rc8 23.0-0+/–) 22.0-0 (22.Nb7 Qc7 23.Nc5 Bg4+–) 22...Qb6 (better is 22...b6!?+/–) 23.a5+– Qc7 24.Rfc1 (24.Qc5 Qb8 25.Qb6 Ra7+–) 24...Qe7 25.b6 h6 (25...Rfc8 26.Qd2 Rc1 27.Rc1 f6+–) 26.Rc7 Qd8 27.Nb7 (worse is 27.Rb7 f6 28.Qb1 Kh7+–) 27...Qb8 28.Rac1 (better is 28.a6!? Bg4+–) 28...Rc8 29.Rc8 Bc8 30.Nd6 Be6 31.Qc5 Bf8 32.Qc7 Bd6 33.ed6 Qe8 34.b7 Rb8 35.Ne5 Qa4 36.Qb6 Kg7 37.a6 Qa3 38.Rf1 Qe3 39.Kh1 Qe2 40.Rg1 Bf5 41.a7 Be4 (41...Be4 42.h3 Rb7 43.Qb7 Bg2 44.Rg2 Qf1 45.Kh2 Qf4 46.Kg1 Qc1 47.Kf2 Qd2 48.Kg3 Qe3 49.Nf3 h5 50.Qd5 h4 51.Kh4 Qf4 52.Rg4 Qf6 53.Kg3 Kg8 54.a8Q Kg7 55.Qh5 Qd6 56.Kg2 Qf8 57.Qh6 Kf6 58.Qc6 Qd6 59.Qd6 Kf5 60.Rf4) 0–1. typ48 – topair (1680), kurnik, 2013.

6.e5 de5 7.fe5 Nd5 8.c4 Nb6 9.Nf3 Be6 10.Na3 N8d7 11.d4 c6 12.Rc1 0-0 13.Be2 Bg4 14.0-0 e6 15.h3 Bf5 (better is 15...Bf3 16.Bf3 Qc7+/–) 16.Bd3?? (better is 16.g4 Be4 17.Nd2+–) 16...Bd3+= 17.Qd3 f5 (better is 17...Ne5 18.Ne5 Be5+=) 18.Ng5?? (better is 18.Rcd1+=) 18...Qg5–+ 19.Rcd1 Rad8 20.bc6 bc6 21.Qf3 c5 22.Qc6 Qe3 23.Kh1 cd4 24.Qe6 Kh8 25.Bd4 Qa3 26.Bb6 Nb6 27.Qb6 Qe7 28.e6 Bc3 29.c5 Rb8 30.Qd6 Rfe8 31.Rd3 Bb4 32.Qe5 Kg8 33.Rd7?? Qf8 34.e7 Qf7 35.Rfd1 Qc4?? 36.Rd8 Rbd8?? 37.ed8Q Rd8 38.Rd8 Kf7 39.Rd7 Kf8 40.Qe7 Kg8 41.Qg7 1–0. typ48 – bogdeea, playok.com, 2012.

6.Bc4 Bg7 7.Nc3 0-0 8.Qf3 Nd7 9.d4 c5 10.bc6 bc6 11.Nge2 Nb6 12.Bd3 Ra7 13.0-0 d5 14.Rab1 Nc4 15.Bc4 dc4 16.Rb8 Qc7 17.Rfb1 Rb7 18.R1b7 Bb7 19.Rf8 Kf8 20.Na4 Bc8 21.Nc5 Kg8 22.Qc3 f5 23.f3 fe4= 24.fe4 Bg4–+ 25.Ng3 Qd6 26.e5 Be5! 27.de5 Qc5 28.Kf1 Be6 29.Ne4 Qb4 30.Ke2 Qc3 31.Nc3 f5 32.ef6=+ Kf7 33.Ne4 Bd5 34.Ke3 Be4 35.Ke4+= Kf6 36.Kd4 Ke6 37.Kc4 Kd6 38.c3 g5 39.a4 h5 40.h3 h4? 41.Kd4+– c5 42.Kc4?? Kc6=+ 43.Kd3 Kd5 44.c4 Ke5–/+ 45.Ke3 Kf5 46.Kd3?? Kf4–+ 47.Ke2 Ke4 48.Kd2 Kd4 49.Ke2 Kc4 50.Ke3 Kb4 51.Kd3 c4 52.Kc2 Ka4 0–1. market (1850) – bh33 (1865), GameColony.com, 2002.

6.d4 f5 7.ef5 Bf5 =.

5.c4 d6 6.Qc2 e5 7.a4 (7.Nf3 Nh5=) 7...Nbd7 8.Nf3 0-0 9.Be2 Nc5 10.d3 Ne6 (10...Nh5 11.0-0=+) 11.Nc3 Nf4 12.Bf1 (12.0-0 N6h5=) 12...Bg4=+ 13.h3 Bf3 14.gf3 N6h5 15.Bc1 c6 16.Be3 Rc8 (16...d5 17.Bc5=+) 17.Rc1 (17.Rb1 Ne6=+) 17...Qd7 (17...d5 18.bc6 bc6 19.Bc5=+) 18.b6 d5 19.ed5 (19.Bd2 Qd8=+) 19...cd5-/+ 20.Qb3 (20.Nb5 Rfe8-/+) 20...dc4 21.dc4 Nd3 22.Bd3 Qd3 (22...Qd3 23.Qd1 Qd1 24.Nd1 Nf4-/+) 0-1. FERNANDO_2013 (1765) - tomashernand (1805), Rated Blitz game, lichess.org, 2018.

5.e5 Ne4 6.Nf3 =.

5.Nf3 0-0 6.e5 Ne4 7.d3 Nc5 8.Nbd2 (8.d4 Na4 9.Bc1 d6=) 8...Na4 9.Bd4 c5 10.bc6 (10.c4 cd4 11.Qa4 d6 12.ed6 ed6=+) 10...Nc6=+ (worse 10...bc6 11.c4 c5 12.Be3+/- (worse 12.Qa4 cd4 13.Rb1 Qc7=+)) 11.c4 (11.c3!? b5 12.Qb3 Nd4 13.cd4=+) 11...Nd4-/+ 12.Qa4 Nc6 (12...Qc7 13.Rb1 Be5 14.Be2-/+) 13.d4 d6 14.ed6 (14.Rb1!?-/+) 14...ed6-+ (14...Bd4?! 15.Nd4 Nd4 16.c5=+) 15.Nb3 (15.Be2 Re8-+) 15...Re8 16.Be2 (16.Kd1 Bg4 17.h3 Bf3 18.gf3 Qf6-+ (worse 18...Nd4 19.Nd4 Qf6 20.c5-+; worse 18...Bd4 19.Rb1-+)) 16...Qe7 17.Nc1 (17.0-0 Bd7 (17...Qe2 18.Rfe1+=) 18.Bd1 Nd4-+) 17...Nd4 (17...Bd4?! 18.Rb1-+) 18.Nd4 Bd4 19.Rb1 Bd7 (19...Bc3 20.Kd1-+) 20.Qc2 (20.Qb3 Bf5 21.0-0 Bb1 22.Qb1 Rac8-+) 20...Bc6 (better 20...Bf5 21.Qd2 Qh4-+) 21.0-0 Qg5 22.g3 Qh6 (22...a4 23.Rd1 Qf6 24.Rd4 Qd4 25.Kf1-+) 23.Qd3 (better 23.Rd1 Bg7 24.Nb3-+) 23...Qh3 24.Bf3 Re5 25.Bc6 (25.Rb5 Bc5 26.Rc5 dc5 27.Bc6-+) 25...Rh5 26.Rd1 (26.Qg6 hg6 27.Re1 Qh2 28.Kf1 Qf2) 26...Qh2 27.Kf1 Qf2 0-1. pacal56 (2160) - NevSky (2270), Rated Blitz game, lichess.org, 2015.

5.Nf3 d6 6.c4 0-0 7.Nc3 (7.Qc2 a4=) 7...Bg4 (better 7...Ne4!? 8.d4 Nc3 9.Bc3 d5-/+) 8.h3= Bf3 9.Qf3 Nbd7 10.d4 (10.Be2 c5+=) 10...b6 (10...e5 11.d5=) 11.Bd3 e5 12.d5 Nc5 13.Bc2 Qd7 14.0-0 Nh5 15.Na4 Na4 16.Ba4 f5 17.Bc2 f4 (17...fe4 18.Qe4 a4 19.Rae1+=) 18.a4 Rf7 19.Kh2 Raf8 20.Bd1 Nf6 21.Qd3 g5 22.Bc3 h5 Black intends g4 (22...g4 23.hg4 Ng4 24.Kg1+=) 23.c5 (23.Rh1 g4+=) 23...g4 (23...dc5 24.Rc1=) 24.hg4 (24.cb6 cb6 25.hg4 hg4+=) 24...Ng4+= 25.Bg4 hg4 26.cd6 cd6 27.g3 (better 27.Bd2!?+=) 27...fg3-/+ 28.fg3 Rf3 29.Rf3 Rf3 30.Qd2 (30.Qc2!? Qc7 31.Rc1-/+) 30...Qf7 31.Kg2 Bf6 32.Rh1 Qg6 (better 32...Qc7 33.Bb2 Qc4-+) 33.Bb2?? (better 33.Qc2=) 33...Qe4-+ 34.Kh2 Qh7 (better 34...Rf5 35.Kg1 Bg5 36.Qg5 Rg5-+) 35.Kg2 Qg6 (better 35...Rg3 36.Kg3 Qh1 37.Kg4 Qh4 38.Kf3 Qa4-+) 36.Qh6?? (36.Qe2 Bg5 37.Rf1 Qd3 38.Qd3 Rd3-+) 36...Qh6 (36...Qc2 37.Qd2 Qd2 38.Kg1 Qf2) 37.Rh6-+ Kg7 38.Rh1 Rb3 39.Bc1 Rb4 40.Bh6 Kg6 41.Bf8 Ra4 42.Bd6 (42.Rd1 Rb4-+) 42...Ra2 43.Kf1 Ra1 (better 43...Rd2!? 44.Bf8 Rd5 45.Kf2-+) 44.Kg2 Rh1 45.Kh1 e4 46.Kg2 Bd4 47.Kf1 Kf6 48.Ke2 a4 49.Kd2 (49.Bf8 Ke5 50.d6 Ke6-+) 49...Kf7 (49...Be5 50.Ba3-+) 50.Ke2 (50.Kc1 Ke8-+) 50...Ke8 51.Ba3 Kd7 52.Kd2 Bf2 53.Ke2 Bg3 54.Ke3 Bd6 55.Bb2 g3 56.Ke4 (56.Ke2 a3 57.Bf6-+) 56...g2 57.Bd4 Bc5 58.Bc5 bc5 59.b6 g1Q 60.b7 Qe1 (60...Qe1 61.Kf5 Qb1 62.Kg5 Qb7 63.Kf4 a3 64.Kf5 Qd5 65.Kg4 Qe4 66.Kh5 a2 67.Kg5 a1Q 68.Kh6 Qf6 69.Kh5 Qef3) 0-1. amnezia (1830) - mahir123 (1795), Rated Blitz game, lichess.org, 2014.

5.Bf6 Bf6 6.d4 =.

6.c4 Nb4 7.a3 c5 8.ab4 cb4 9.d4 0-0 10.Nf3 d6 11.g3 Bg4 12.Bg2 Nd7 13.h3 Bf3 14.Bf3 de5 15.Bb7 Rb8 16.Bc6 Nb6 17.Ra5 Nc4 18.Ra4 Nb2 19.Qb3 Na4 20.Qa4 Qd4 21.0-0 e4 22.Rd1 Qc5 23.Rd5 Qc1 24.Rd1 Qb2 25.Nd2 e3 26.fe3 Rfd8 27.Nc4 Qe2 28.Rc1 Bc3 29.Qb3 e5 30.e4 Bd4 31.Kh1 Bc3 32.Bd5 Qf3 33.Kg1 Bd4 34.Kh2 Qb3 0–1. iczker – jtoms, kurnik, 2014.

6.Nf3 d6 7.Bc4 Nb6 8.Na3 =.

6.g4 Nf4 7.Qf3 Ne6 8.Bc4 0-0 9.d4 c6 10.a4 Ng5 11.Qe3 e6 12.f4 d5 13.Bd3 Ne4 14.Be4 de4 15.h4 cb5 16.ab5 Qd5 17.Nc3 Qd7 18.Ne4 Rd8 19.c4 b6 20.Nf3 Bb7 21.Nd6 Qe7 22.0-0 Nd7 23.h5 Bf3 24.Qf3 f6 25.ef6 Nf6 26.hg6 Rd6 27.gh7 Nh7 28.Qh3 Bd4 29.Kh1 Bb2 0–1. AvImd (1655) – Bukkapu (1930), lichess.org, 2020.

6.a4 d6 7.Qe2 0-0 8.g3 de5 9.Be5 Qd5 10.Bg7 Ng7 11.Nf3 Qc5 12.Nc3 Bg4 13.Bg2 c6 14.0-0 Ne6 15.h3 Nd4 16.Qd3 Nf3 17.Bf3 Bh3 18.Rfe1 Bf5 19.Be4 Be4 20.Ne4 Qd5 21.Qd5 cd5 22.Nc5 b6 23.Nd3 e6 24.Ne5 Rd8 25.c3 Kf8 26.Kg2 f6 27.Ng4 Ke7 28.Re2 Rd6 29.Rae1 Nd7 30.f4 Nc5 0–1. typ48 – eliv, kurnik, 2012.

6.d4 0-0 7.g3 d6 8.f4 de5 9.fe5 Qd5 10.Nf3 Bg4 11.Bg2 Qb5 12.Bc3 Nc6 13.Nbd2 Rad8 14.Rb1 Qd5 15.0-0 b6 16.Qe1 Qd7 17.h3? (better is 17.Qe3!?–/+) 17...Bh3–+ 18.e6? (18.Kh2 Bg2 19.Kg2–+) 18…Be6 0–1. typ48 – eliv, kurnik, 2012.

6.g4 Nf4 7.Qf3 Ne6 8.Bc4 0-0 9.d4 c6 10.a4 Ng5 11.Qe3 e6 12.f4 d5 13.Bd3 Ne4 14.Be4 de4 15.h4 cb5 16.ab5 Qd5 17.Nc3 Qd7 18.Ne4 Rd8 19.c4 b6 20.Nf3 Bb7 21.Nd6 Qe7 22.0-0 Nd7 23.h5 Bf3 24.Qf3 f6 25.ef6 Nf6 26.hg6 Rd6 27.gh7 Nh7 28.Qh3 Bd4 29.Kh1 Bb2 0–1. AvImd (1655) – Bukkapu (1930), lichess.org, 2020.

5.a4 0-0 6.e3 d5 7.Be2 c5 8.c4 Ne4 9.Bg7 Kg7 10.0-0 Bg4 11.h3 Bf5 12.cd5 Qd5 13.Nc3 (better is 13.d3!? Nd6 14.e4 Ne4 15.de4 Qe4 16.Nc3+–) 13...Nc3+= 14.dc3 Be4 15.Qd5 Bd5 16.Rfd1 Bb3 17.Rd2 f6 (17...Be6 18.Ng5 Bf5 19.g4+/–) 18.Ra3 (better is 18.c4+–) 18...Be6 19.c4 Kf7 20.Ra1 Nd7 21.Rad1 Nb6 22.e4 (better is 22.Ra1=) 22...Na4–/+ (worse is 22...Nc4 23.Bc4 Bc4 24.Rc1+=) 23.e5 Nc3 24.Re1 Ne2 25.Ree2 (25.Rde2 Bc4 26.Rc2 Bb5 27.Rc5–+) 25...Bc4 26.Re3 Bb5 27.e6 Kg7 28.Rb3 Bc6 29.Rc2 (29.Rc3 b6–+) 29...Bd5 (better is 29...Ba4 30.Rcb2 Bb3 31.Rb3–+) 30.Rb5 Be6 31.Rb7 Kf7 32.Rc5 a4 33.Rb1 a3 34.Ra1 a2 35.Rcc1 Rfb8 36.Kh2 Bf5 37.Nd4 Rb1 38.Nf5 Rc1 39.Rc1 a1Q 40.Ra1 Ra1 41.Ne3 e5 42.Kg3 f5 43.Nd5 Ke6 44.Nc7 Kf6 45.h4 h6 46.Nd5 Ke6 47.Nc7 Kd6 48.Ne8 Kd5 49.Nf6 Kd4 50.Ng8 h5 51.Ne7 f4 52.Kh2 e4 53.Ng6 f3 54.gf3 ef3 55.Kg3?? Ke4 56.Nf4 Rg1 57.Kh2 Rg2 58.Kh3?? Kf4 ½–½. bratek55 (1675) – piastunkagol (1610), kurnik, 2011.

5.e3 c6 6.a4 (6.Be2 0-0=) 6...0-0 7.Be2 d5 (7...cb5 8.ab5 d5 9.Nc3=) 8.0-0 Nbd7 (8...cb5 9.ab5 Bg4 10.Nc3=) 9.c4 (9.d4 cb5 10.ab5 Nb6=) 9...Re8 (9...cb5 10.cb5 Nb6 11.d3=) 10.d4+= dc4 (10...cb5 11.ab5 dc4 12.Nbd2+=) 11.Bc4 (11.Nbd2 cb5 12.ab5 c3 13.Bc3 Nd5+=) 11...Nb6 12.Be2 Nfd5 (12...cb5 13.Bb5 Bd7 14.Bd7 Qd7 15.Qb3+=) 13.bc6 (13.Nc3 Bf5+=) 13...bc6 14.Nc3 (14.Nbd2 c5+=) 14...Nc3 (14...Rb8 15.Qc2+=) 15.Bc3 ½–½. Vadasz,L – Portisch,F, Trnava, 1981.

5.e4 0-0 6.e5 Nh5 (6...Ne4 7.d3 Nc5 8.d4=) 7.d4 (7.Be2 Nf4 8.0-0 Ne2 9.Qe2 Re8=) 7...d6 (7...Nf4 8.Bc1 Ne6 9.d5=) 8.Qc1 (8.Bc4 de5 9.de5 Qd1 10.Kd1 Nf4=+) 8...f6 9.Qe3 fe5 10.de5 Nd7 (10...Nf4!?=) 11.Bc4+= Kh8 12.a4 (12.0-0 Nf4+=) 12...Nf4 13.0-0 Nb6 (13...d5 14.Bb3=) 14.Bb3 Bg4 15.Nbd2 Qc8 (better is 15...Nbd5 16.Bd5 Nd5=) 16.ed6?? (better is 16.Bd4+=) 16...Bb2-/+ 17.de7 Rf6 18.Rae1 Qe8 19.h3 Bf3 20.Nf3 Kg7 (20...Nbd5 21.Bd5 Nd5 22.Qb3+/-) 21.g3 (21.c3 Nbd5 22.Bd5 Nd5=) 21...Nfd5 (21...Nbd5 22.Bd5 Nd5 23.Qb3 Rf3 24.Qf3+=) 22.Bd5 Nd5 23.Qb3 Bc3 (23...Rf3 24.Qf3 c6 25.Qe4+=) 24.Qd5 c6 25.Qd3 (25.bc6 bc6 26.Qd3 Be1 27.Re1 Rb8+=) 25...Be1 26.Re1 h6 (26...cb5!? 27.ab5 a4=) 27.bc6 (27.c4 cb5 28.cb5 Rc8+=) 27...bc6+= 28.Nh2 (28.Nd4 Rb8+=) 28...h5 (28...Rb8!?+=) 29.Qc3+/- Kf7 (29...c5 30.Re6 (30.Qc5?! Qa4 31.Qc3 Qe8+/-) 30...Qf7 31.Re4+/-) 30.Nf3 (30...Kg7 31.Re6+-) 1-0. Woelfelschneider,Peter - Borrmann,Fritz, TT-17 ETC, 2005.

5.e4 d6 6.Be2 0-0 7.Nc3 (better is 7.d3!?=) 7...Ne4!-/+ 8.Ne4 (8.d4 Nc3 9.Bc3 c6-/+) 8...Bb2 9.Rb1 Bg7 10.h4 (10.d4 d5 11.Ng3 Nd7-/+) 10...e5 (10...d5 11.Ng3-+) 11.h5 d5 12.Ng3 Be6 (12...e4 13.Nh2-+) 13.d4-/+ ed4 (13...Nd7 14.de5 Ne5 15.Nd4-/+) 14.Nd4 Qe7 (14...Qf6 15.Ne6 fe6 16.Bf3-/+) 15.Qd2 Re8 16.hg6 (16.Rb3 Qc5 17.Rd3 Nd7-/+) 16...fg6 17.Kf1 (17...Nd7 18.Re1-/+). alishsan - StephenHilton (1630), internet, 2006.

5.g3 (--> 1.b4 Nf6 2.Nf3 g6 3.g3 a5 4.b5 Bg7 5.Bb2).

6.g3 a4 7.Na3 (7.Bg2 d6=) 7...d5 (7...d6 8.d4=) 8.cd5 Nd5 9.Bg7 Kg7 10.Bg2 Qd6 11.Nc4 Qc5 12.Ne3 (12.Qc2!?=) 12...Ne3=+ 13.fe3 Qb5 14.Kf1 (14.Rb1!? Qc4 15.0-0=+) 14...Nc6-/+ 15.h4 (15.Qc2 Rd8-/+) 15...Bg4 (15...Bf5 16.Kf2-+) 16.Kf2 (16.Rb1 Qa6-/+) 16...Rfd8 (16...Ra5 17.Qc2 Qa6 18.Rab1-/+) 17.Rb1 Qa5 (better 17...Qa6!?-+) 18.Rb7=+ e5 (18...Rab8 19.Qa1 f6 20.Rb8 Rb8 21.Rc1=) 19.d3 (better 19.Qc2 Rd6 20.Rhb1+=) 19...Kg8 (19...Qa6!? 20.Qb1 Rab8 21.Rb8 Rb8=) 20.Qc1 (20.Qc2 e4 21.Qc6 ef3 22.Bf3 Bf3 23.Kf3+/- (23.ef3? Qd2 24.Kg1 Rd3-+; 23.Qf3?! Qd2+/-)) 20...Rd6+= 21.Ng5 Rf6 22.Kg1 Be2? (better 22...Ra6!?+=) 23.Ne4 (23.Bc6?! Rf1 24.Qf1 Bf1 25.Kf1 Qc3=+) 23...Re6 24.Ng5 Rf6 25.Bc6?? (25.Qc2 Nd8 26.Rb1 Bg4 27.Ba8 Qa8 28.Qc7 Qd5+/-) 25...Qa6?? (25...Rf1 26.Qf1 Bf1 27.Kf1=+) 26.Be4?? (26.Bg2 Qd3 27.Rb2 Rd8+-) 26...Bd3? (better 26...Rf1 27.Qf1 Bf1 28.Kf1 Rd8=) 27.Kg2?? (better 27.Bg2 c6 28.Rd7+-) 27...Be4-+ 28.Ne4 Qb7 29.Qc2 Rf5 (better 29...Rb6 30.Kh3 Rb4 31.Nf6 Kg7 32.Rf1-+) 30.g4?? (30.Rb1 Qa6 31.g4 Rf6 32.Nf6 Qf6-+) 30...Rd8 (better 30...Rf6! 31.Kg3 Rb6-+) 31.Kg3 Kg7?? (better 31...Qb6 32.Qc3 Rf6 33.Nf6 Qf6-+) 32.gf5= gf5 33.Ng5?? (33.Nf2 Rd6 34.h5 (34.Qf5?? Rg6 35.Ng4 Qh1 36.Qe5 Kf8 37.Qh8 Rg8-+) 34...f4 35.ef4 ef4 36.Kh2+= (36.Kf4?? Rf6 37.Kg3 Qf3 38.Kh2 Qf2 39.Qf2 Rf2 40.Kg3 Ra2-+)) 33...e4 (33...Qh1 34.Ne6 fe6 35.Qc7 Kg6 36.Qd8 Qg1 37.Kh3 Qe3 38.Kg2 Kh5 39.Qd1 Kh4 40.Qh1 Kg5 41.Qh7 Qe4 42.Kf1 Qb1 43.Kf2 Qa2 44.Kg3 Qb3 45.Kf2 Qc2 46.Ke1 Qc1 47.Kf2 a3 48.Qg7 Kh5 49.Qf7 Kg4 50.Qe6 Qd2 51.Kf1 a2 52.Qg6 Qg5 53.Qa6 Qc1 54.Ke2 a1Q 55.Qg6 Qg5 56.Qg5 Kg5 57.Kd2 f4 58.Kd3 Qd4 59.Kc2 f3 60.Kb3 f2 61.Kc2 f1Q 62.Kb3 Qe2 63.Ka3 Qeb2) 34.Rg1+- f6?? (34...Qb6 35.Qc3 f6+-) 35.Ne6 Kf7 36.Nd8 Ke7 (36...Kf8 37.Nb7 f4 38.Kf4 a3 39.Qc5 Kf7 40.Qc7 Kf8 41.Qh7 Ke8 42.Rg8) 37.Qc4 (37.Nb7 Kd7 38.Qa4 Ke7 39.Kf4 Kf8 40.Qa8 Ke7 41.Rg7 Ke6 42.Qg8) 37...c6 38.Qe6 (38.Nb7 Kd7 39.Qf7 Kc8 40.Nd6 Kd8 41.Kf4 c5 42.Rg8) 38...Kd8 39.Rd1 Kc7 40.Rd7 (40.Qd7 Kb8 41.Qd8 Ka7 42.Qa5 Qa6 43.Rd7 Kb8 44.Qc7 Ka8 45.Rd8 Qc8 46.Rc8) 40...Kb6 41.Rb7 (41.Rb7 Kb7 42.Qf7 Ka6 43.Qh7+-) 1-0. fireheart92 (2810) - vbatman2004 (2810), Rated Bullet game, lichess.org, 2021.

6.g3 d5 7.cd5 Nbd7 8.Bg2=.

6.g3 d6 (--> 4.c4 Bg7 5.Nf3 0-0 6.g3 d6).

6.e3 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5 d6).

6.e3 0-0 7.d4 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0-0 7.c4).

6.g3 0-0 (--> 4.c4 Bg7 5.Nf3 0-0 6.g3 d6).

6.e4 c5 7.c4 d6 8.Be2 b6 9.0-0 e5 10.Nc3 Bg4 11.Nd5 Nd5 12.cd5 Bf3 13.Bf3 Nd7 14.a4 f5 15.Qc2 h5 16.g3 h4 17.Bg2 f4 18.Bc1 g5 19.g4 h3 20.Bf3 Qf6 21.Kh1 Qh6 22.Rg1 Qh4 23.Qe2 Rac8 24.Bd2 c4 25.dc4 Nc5 26.Ra3 Rc7 27.Rc1 Rfc8 28.Be1 Bf8 29.Qf1 Nd7 30.Be2 Qh6 31.f3 Nc5 32.Bf2 Be7 33.Bc5 Rc5 34.Qf2 Bf6 35.Rac3 Be7 36.Bf1 Bf6 37.Qd2 Be7 38.R3c2 Bf6 39.Rc3 Be7 40.Qf2 Bf6 41.Bh3?? (better is 41.Rd1=) 41...Qh3–+ 42.Qg2 Qg2 43.Kg2 Kg7 44.h3 Be7 45.R1c2 Kf6 46.Kf2 Bf8 47.Kg2 Bg7 48.Kf2 Bf8 49.Kg2 Bg7 50.Kf2 Bf8 ½–½. bratek55 (1675) – moniek46, kurnik, 2011.

6.e4 c6 7.a4 d5 8.e5 Nfd7 (8...Nh5!?+=) 9.d4= c5 (9...f6 10.ef6 Nf6 11.Be2=) 10.c4 e6 11.Nbd2 cd4 12.Bd4 Qc7? (12...b6 13.Rc1+=) 13.cd5 (better is 13.Rc1 Qd8 14.Qb3+–) 13...ed5+= (13...Ne5? 14.Ne5 Be5 15.Rc1+–) 14.Rc1 Qd8 15.Bd3 Ne5 16.Be5 Re8 17.0-0 Be5 18.Ne5 Re5 19.Nf3 Re8 20.Re1 Be6 21.Nd4 Nd7 22.Qc2 Nf8 (better is 22...Rc8!? 23.Qd2 Nc5–/+) 23.Qc7= Rc8 24.Qd8 (24.Qb7!? Rc1 25.Rc1=) 24...Red8+= 25.b6 Rc1 26.Rc1 Rc8 (better is 26...Nd7!? 27.Rc7 Nb6 28.Rb7 Na4–/+) 27.Rc7= Rb8 28.Bb5 h5 29.f3 h4 30.Kf2 Nh7?? (30...Kg7+=) 31.Re7?? (better is 31.Ne6 fe6 32.Bd7+–) 31...Bc8 32.Ke3 Nf8 33.Nb3 Be6? 34.Na5+– d4? 35.Kd4 Rd8 36.Ke3 Bd5 37.Nb7 Bb7 38.Rb7 Ne6 39.a5 Nc5 40.Rc7 Re8 (40...Re8 41.Be8 Kg7 42.Rc5 g5 43.b7 Kf8 44.b8Q h3 45.Bf7 Kf7 46.Qc7 Ke6 47.Ke4 hg2 48.Rc6) 0–1. bratek55 (1765) – marekd4 (1620), kurnik, 2012.

6.e4 c6 7.a4 d5 8.e5 Ne8 (8...Nh5!?+=) 9.d4= Nc7 10.Bd3 Bd7 11.Qe2 Ne6 12.g3 c5 13.dc5 Nc5 14.0-0 Bh3 15.Re1 Nbd7 16.Bd4 (16.Ng5 Be6=) 16...e6 17.Nbd2 Rc8 18.Nb3 b6 (18...Nb3!? 19.cb3 Bg4+=) 19.Qe3= Qe7 20.Ng5 Bf5 21.Bf5 gf5 22.f4 Rfe8 23.Kg2 Ne4 24.Ne4 fe4 25.c3 Nc5?? (25...f6 26.ef6 Bf6+=) 26.Nd2?? (better is 26.Bc5 bc5 27.Na5+–) 26...f5 (26...f6!?–/+) 27.Rec1= Bf8 28.c4 Qd7 29.cd5 Qd5 30.h4?? (30.Nc4!? Rcd8 31.Nd6 Bd6 32.ed6=) 30...Red8 31.Rc2?? Qd4–+ 32.Qd4 Rd4 33.Nc4 Rc4! 34.Rc4 Rd8 35.Ra2 Rd3 36.Rac2 Kf7 37.h5 Ke7 38.Kh3 Kd7 39.Kh4 Be7 40.Kh3 Ra3 41.Rd2 Nd3 42.Rc6 Bc5 43.Kh4 h6 44.Rc5 bc5 45.g4 c4 46.g5 c3 (46...c3 47.Rc2 Ra1 (47...Ra4?! 48.gh6 e3 49.h7 Nf4 50.Kg5=) 48.gh6 Rg1 49.Rc3 Rg4 50.Kh3 Nf4 51.Kh2 Rh4 52.Kg3 Rh3 53.Kf4 Rc3–+) 0–1. bratek55 – welcometo (1610), kurnik, 2012.

6.e4 d6 7.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.d3 0-0 5.e4 d6 6.Be2 a5 7.b5).

6.c4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5).

6.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 0-0 5.Be2 a5 6.b5).

6.c4 0-0 7.d4 c6 8.a4 cb5 9.ab5 b6 10.c5 Ne4 11.c6 Qc7 12.Bd3 Nc6 (12...Rd8!?+=) 13.bc6+/– Qc6 14.0-0 Bg4 15.h3 Be6 16.Qb3 Qb7 17.Nbd2 Nd2 18.Nd2 f5 19.Ba3 f4 20.Rab1 Rab8 21.Ne4! Bh6 22.Nc5!+– Qc6 23.Ne6 Qe6 24.e4 Kh8 25.Qd5 Qc8 26.f3 Qc3 27.Qb3 Qd2? 28.Be7 Rfc8 29.Bf6 Bg7 30.Bg7 Kg7 31.e5 Rc3+= 32.Qe6 Qd3 33.Qf6+/– Kg8 34.Qf4 Rc2 35.e6 Rf8 36.Qe4 Qd2 37.f4 Re8 38.d5 Kg7? 39.Rb6 a4 40.Rb7 Kh6 41.f5 g5 42.f6 Rh8 43.f7 g4 44.f8Q Rf8 45.Rh7 Kg5 46.Qg4# 1–0. ferminkatcho (1730) – martiitram10 (1895), kurnik, 2012.

6.Be2 =.

6.c4 0-0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0-0 5.e3 a5 6.b5 d6).

6.d4 Nbd7 7.c4 (7.Bd3 0-0+=) 7...0-0 8.Be2 e5 9.Nc3 (9.0-0 ed4 10.Bd4 Nc5=) 9...c6 (9...ed4 10.ed4 d5 11.Nd5 Nd5 12.cd5=) 10.0-0+= Re8 11.Qc2 Qc7 12.Rae1 c5 (12...ed4 13.ed4 Nb6 14.c5+=) 13.d5 (13.de5 Ne5 14.Ne5 de5+=) 13...Nb6 14.e4 Nh5 15.Nd2 (15.Nd1 Nf4+=) 15...Nf4 16.Bf3 Qe7 17.Ne2 Bh6 18.Nf4 Bf4 19.Rd1 (19.Bc1 Qf6+=) 19...Qg5 20.Bc3 Qh6 21.g3 Bg5 22.Rfe1 (22.a3 a4+=) 22...Bh3 23.Bg2 Rf8 24.Bh3 Qh3 25.Nf3 f6 (25...Bh6 26.Bd2=) 26.Bb2 (26.Qe2 Qh5=) 26...Rf7 (26...Bh6 27.Nh4=) 27.Kh1 (27.Rd3 Qg4=) 27...h5 (27...a4 28.a3=) 28.Rd3 (28.Ng1 Qd7+=) 28...Raf8 29.Red1 (29.Ra3 a4+=) 29...Qg4 30.Kg2 (better is 30.Ra3+=) 30...Qe4–/+ 31.Rc3 Qc2 32.Rc2 Nd7 (32...e4 33.Nd2 Re8 34.h4 Bd2 35.Rdd2–/+) 33.Ng5 (33.Re1 Re7+=) 33...fg5–/+ 34.Bc1 (34.h3 Nf6–/+) 34...g4 35.Bh6 Ra8 (35...Re8 36.Re2–/+) 36.Re2 Rf5 (36...Kh7 37.Bd2–/+) 37.Be3 Kg7 38.Rb1 b6 39.a4 Raf8 40.Rbe1 g5–+ 41.Kg1 Kg6 42.Bd2 Rf3 43.Be3 Nf6 44.Rc2 Ne8 45.Kg2 Ng7 46.Kg1 Nf5 47.Kg2 Nd4 48.Ra2 Nf5?? 49.Bd2?? Rd3 50.Rc1 Nd4 ½–½. Buczinski,Henryk – Gajda,Leszek, corr 2AMM Poland, 1994.

6.d4 Bf5 7.Bd3 +=.

5.a4 Bg7 6.e3 c6 7.Nf3 d5 8.Be2 Nd7 9.0-0 Ne5 10.Ne5 fe5 11.Bg4 Bf5 12.Bf5 gf5 13.c3 Qd7 14.d4 e4 15.Nd2 0-0 16.bc6 bc6 17.c4 Rab8 18.c5 Rb4 19.Nb3 Qc7 20.Qc2 Rfb8 21.Rfb1 Qa7 22.g3 Qa6 23.Kg2 Qd3 24.Ra2 Rb3 25.Rb3 Rb3 26.Qd2 Qd2 27.Rd2 Rb4 28.Ra2 Bf6 29.h4 Bd8 30.Kh3 h5 31.Kg2 Bc7 32.f3 Rb3 33.fe4 Re3 34.ed5 Rg3 35.Kf2 cd5 36.Rb2 Ra3 37.Rb7 Bg3 38.Ke2 Bh4 39.Rb8 Kg7 40.Rb6 Ra4 41.Kd3 Bf2 42.c6 Rd4 43.Ke2 Rd2 44.Kf3 Bb6 0–1. Atotheking (1635) – jjzate2000, lichess.org, 2019.

5.Nc3 b6 (5...d5 6.e3=) 6.a4 Bb7 7.Nf3 f5 8.g3 Bg7 9.Bg2 0-0 10.0-0 d6 11.Nh4 (11.e3 Bc3 12.dc3 Re8=) 11...Bg2= 12.Ng2 Nd7 (12...Bc3 13.dc3 Re8 14.Qd5=) 13.Nf4 (13.d4 Nf6=) 13...Bc3= 14.dc3 Nf6 15.Qd4 Qe7 16.Rad1 Rfe8 17.Rd3 Qe5 18.Re3 (18.Re1!?=) 18...Qd4=+ 19.cd4 Re3 20.fe3 Re8 21.Ng2 (21.Rf3 Rc8 22.e4 Ne4=+) 21...Nd5 22.Kf2 Nc3 23.Ra1 Kg7 (23...c6 24.bc6 Rc8 25.Ke1-/+) 24.Kf3 (24.Ke1 Rc8-/+) 24...Kf6 (24...g5 25.Ra3 Ne4 26.Ne1-/+) 25.h4 (25.Nf4 Rc8=+) 25...h6 (25...Rc8 26.Ra3 Ne4 27.Nf4-/+) 26.Nf4 g5 (26...Rc8 27.Ra3 Ne4 28.Nd5 Ke6 29.Nf4 Kd7 30.Nd5-/+) 27.hg5 (27.Ra3 g4 28.Kg2 Ne4= (28...Re3? 29.Rc3 Rc3 30.Nd5 Ke6 31.Nc3+-)) 27...hg5 28.Nd3? (better 28.Ra3!? Nd1 29.Nd5 Kg6 30.Rd3+=) 28...Nd5-/+ 29.c4 (29.Rc1!?-/+) 29...Ne3-+ (worse 29...Re3 30.Kf2 Rd3 31.ed3+/-) 30.c5? (30.Ra2 Nc4 31.Rc2 d5-+) 30...Nd5 (better 30...Nc2 31.cb6 Nd4 32.Kg2 Re2 33.Kf1 cb6-+) 31.cd6 cd6 32.Rc1 Re3 33.Kf2 Re4 34.Rc6 Rd4 35.Rd6 (better 35.Nb2-+) 35...Ke7 36.Rc6 Ra4 37.Ne5 f4 38.Nf3 (38.Nc4 Rb4 39.gf4 Nf4-+ (39...gf4?! 40.Nb6 Ne3 41.Nc8 Kd8 42.Nd6-/+)) 38...fg3 39.Kg3 Nf4 (better 39...f5-+) 40.Kf2 (40.Ng5 f6 41.Nf3 Rb4-+) 40...g4 41.Nh4 Ra3 (41...Nh3 42.Kg3 Ng1 43.Nf5 Kd7 44.Rd6 Ke8-/+) 42.Nf5-/+ Kd7 43.Rd6 Kc7 44.Rc6 Kb7 (better 44...Kd8!?-/+) 45.Nd6= Kb8 46.Rc8 Ka7 47.Rc7 Kb8 48.Rc8 Ka7 49.Rc7 Ka8 50.Rc8 Ka7 ½-½. A_H_Kashefi (2505) - OUT_knock123 (2600), Rated Bullet game, lichess.org, 2021.

5.c4 d5 6.cd5 Qd5 7.Nc3=.

5.c4 f5 6.Nc3 (6.Nf3 f4=) 6...Bg7 7.e3 0-0 8.Nge2 b6 9.Rc1 Bb7 10.Nd5 (10.Nf4 Bh6 11.Nce2 Re8=) 10...d6 (10...Re8 11.d4=) 11.Nef4+= Nd7 (11...Re8 12.d4+=) 12.Be2 Nf6 (12...Bb2 13.Rb1 Be5 14.0-0+–) 13.Bf3+– Nd5 (13...Ne4 14.d4+–) 14.Bd5 Bd5 15.Nd5 Qd7 (15...Rc8 16.d4+=) 16.0-0 Rab8 17.Rb1 (better 17.Qf3+–) 17...c6? (better 17...Rfe8+–) 18.bc6+– Qc6 (18...Qa7+–) 19.Ne7 (19.Ne7 Kh8 20.Nc6+–) 1–0. FeegLood (2765) – Velocity_Chess (2545), lichess.org, 2015.

5.c4 Bg7 (5...d5 6.e3=) 6.Nc3 (6.d4 f5=) 6...0-0 7.e3 (7.Nf3 f5=) 7...b6 (7...Re8 8.Nf3=) 8.Nge2 (8.d4 Bb7+=) 8...Bb7= 9.Nf4 f5 10.Be2 d6 (10...Re8 11.0-0+=) 11.Bf3 (11.d4 Re8+–) 11...Nd7?? (better 11...Bf3 12.Qf3 Bc3 13.dc3 Nd7+=) 12.Bb7+– (12.Bb7 Bc3 13.dc3+–) 1–0. FeegLood (2735) – heptagon (2170), lichess.org, 2015.

5.d4 Bg7 6.e4 (6.e3 0-0+=) 6...f5 (6...0-0 7.Be2=+) 7.e5 (7.ef5 0-0+=) 7...0-0 8.c3 d6 9.f4 de5 10.fe5 Be6 11.Nf3 c6 12.Nbd2 cb5 13.Bb5 Nd7 14.a4 (14.c4 g5+=) 14...Bd5 (14...f6 15.Bc4 Bc4 16.Nc4 fe5 17.de5 (worse 17.Nfe5 Be5 18.Ne5 Qh4 19.g3 Qe4 20.Kf2 Ne5 21.de5 Qe5–/+; 17.Nce5?! Ne5 18.de5 Qb6=+) 17...Be5 18.Nfe5 Ne5 19.Ne5=) 15.0-0 (15.c4 Bc6 16.0-0 Bh6+–) 15...Bc6 (15...f6!? 16.Bc4 Nb6 17.Bd5 Nd5+=) 16.Qb3 Bb5 17.ab5 (17.Qb5 Qc7+–) 17...Rc8 (17...Nb6 18.c4+–) 18.c4 (18.Nc4 Ra8+–) 18...Nb6 (18...b6!?+–) 19.c5+– (worse 19.Ra5 Nc4 20.Nc4 Rc4 21.Qc4 Qa5+–) 19...Nd5 20.b6 (20.Nc4 Nf4 21.Nd6 Ra8+–) 20...f4 (20...Nf4 21.Qc4 Nd5+–) 21.Ra5 Ne3 22.Re1 g5 23.Ra7 Qd7 24.Ng5 (24.Qd3 h6 25.Qe4 Rb8+–) 24...Qg4 (24...Qd4 25.Ndf3 Qc5 26.Kh1+–) 25.Re3+– fe3 26.Ndf3 e2? (better 26...h6 27.Nh3 Qe4+–) 27.Qb1 Bh6 (27...e1Q 28.Qe1 f6 29.ef6 Bf6 30.Qe6 Qe6 31.Ne6 Rf7+–) 28.Qc1 (28.Qh7) 28...Bg5–+ 29.Ng5 (29.Qc3 Bh4 30.Qe3 Qf3 31.gf3 e1Q 32.Qe1 Be1 33.Rb7–+) 29...Kh8 (29...Qd4 30.Kh1 Qd1 31.Qd1 ed1Q) 30.Nf3–+ Rg8 31.Ne1?? (better 31.Kf2 Qg2 32.Ke3–+) 31...Qd4 32.Kh1 Qf2 33.Qh6 Qf1 (33...Qe1) 0–1. alessandrocarvalhaes (1820) – GITara7 (1970), lichess.org, 2019.

5.e3 d5 6.Nf3 =.

5.e4 c5 6.Nc3 Bg7 7.Nd5 (7.Nf3 0-0+=) 7...b6 (7...f5 8.b6 0-0 9.Nc7 Ba1 10.Qa1= (< 10.Na8 Bg7=+)) 8.Rb1 (8.d4 0-0+=) 8...Bb7 9.Bc4 d6 (9...0-0 10.Nf3+=) 10.a4 Nd7 (10...0-0 11.Nf3+=) 11.f4 (11.Nf3 f5 12.ef5 0-0+=) 11...0-0= 12.Rb3 (12.f5 Ne5 13.d3 Nc4 14.dc4 Re8–/+) 12...Re8 13.Re3 f5 14.ef5 Nf6 15.Qf3 Kh8 16.Ne2 gf5? (16...Nd5 17.Bd5 Bd5 18.Qd5+/–) 17.Re8 (17.Nf6!? Bf3 18.Re8 Qe8 19.Ne8 Be2 20.Bf7+– (20.Be2?! Re8 21.c4 Re4+=; 20.Nd6?! Bc4 21.Nc4 Re8 22.Kd1 Re6+–)) 17...Ne8+/– 18.Qh5 Nf6 19.Qf5 Bc8 20.Qd3 Be6 21.Nec3 (21.0-0!?+/–) 21...Nd5 22.Bd5 Bd5 23.Nd5 Qe8 (23...Qh4 24.Kd1 Re8 25.Qf5+–) 24.Kd1+– Rb8 25.Re1 Qc8 26.c4 Qg4 27.Qe2 Qg6 28.d3 Bf8 29.Kc2 Qg7 (29...Bg7 30.Kb1+–) 30.Qe4 Rb7 (30...f5 31.Qf5 Qg2 32.Kb1+/–) 31.g3 Qh6 32.Qe8 Kg7 33.Re2 (33...Qg6 34.Qd8+–) 1–0. Grehl,Siegfried – Mothes,Rainer, corr SOK–92–82, 1992.

5.e4 d5 6.ed5 Qd5 7.Qe2 Be7 8.Nf3 =.

5.g3 d5 6.Bg2=.

6.Nc3 d6 7.Be2 =.

6.Nc3 f5 7.Nf3 (7.Bc4 c6+=) 7...d5 8.Be2 Bc3 (8...f4 9.0-0=) 9.dc3+= Qf6 (9...Be6 10.0-0+=) 10.Qd4+/– Qd4 (10...Nd7 11.Rd1+/–) 11.cd4 Bd7 (11...Be6 12.h4+/–) 12.0-0 (12.c4 Be6+/–) 12...f6 (12...Be6 13.Rfc1+/–) 13.c4 c6 (13...Be6 14.Rfc1 Kd7 15.c5+/–) 14.cd5 cd5 (14...cb5 15.Rfc1+/–) 15.a4 (15.Rfc1 Kd8+/–) 15...g5 (15...Kd8 16.Rac1+/–) 16.Rac1 Kd8 17.Rc3 g4 18.Nd2 Be6 (18...Re8 19.Bd3+–) 19.Nb3 (19.Rfc1 Nd7+–) 19...b6 20.Rfc1 h5 (better is 20...Re8+/–) 21.Nc5 (better is 21.Bd3+/–) 21...bc5= 22.dc5 Nd7 (22...Kc7 23.Rb1 Rc8 24.c6=+) 23.c6 Nb6=+ 24.c7 Ke7 25.Rc6 Bd7?? 26.Rb6+– Rhc8 27.Rb7 h4 28.f3 g3 29.f4 gh2 30.Kh2 Rh8 31.Bf3 Ke6 32.Rb6 Ke7 33.Bd5 Bc8 34.Ba8 (34...Re8 35.Rb8+–) 1–0. cefik – michas, internet, 2005.

6.d4 0-0 =.

6.Nf3 0-0 7.Be2 d6 8.d4 Bd7 9.Nc3 c6 10.bc6 bc6 11.Qd3 Na6 12.0-0 Nb4 13.Qd2 Re8 14.a3 Na6 15.Rab1 d5 (15...h6 16.Na4+/–) 16.h3 (16.Na4 Bg4+/–) 16...Nc7 17.Bd3 (17.Rb7 Bc8 18.Rb3 a4+=) 17...Bf8= 18.Ra1 c5 (better is 18...Bd6=) 19.e4 (19.dc5 Bc5 20.Rfb1 Qe7=) 19...cd4 (better is 19...c4!? 20.Be2 de4–/+) 20.Nd5 Nd5 21.ed5 Bc5 22.Bc4 Qc8 (22...Rc8 23.Rfe1= (23.Nd4? Re4–+)) 23.Qf4 (23.Nd4? Re4–+) 23...Ba7 24.Bd3 Qc5 25.Qf6 (25.Rae1 A) < 25...Qa3 26.Qf6 Re1 27.Re1= (< 27.Ne1 Qc5=+); B) 25...Rab8=) 25...Qd5 26.Rae1 (26.Rfe1 Re6 27.Re6 Qe6+= (27...fe6?? 28.Ng5 Rf8 29.Qe7+–)) 26...Be6 (26...Bc5!?=+) 27.Re5+= Qd7 28.Qh4 (28.Ra5 Qc7 29.Rb5 Qc3+=) 28...Rab8 (28...Bd5!? 29.Be4 Be4 30.Qe4 f6 31.Re8 Re8=) 29.Rfe1 Rb7? (better is 29...Bd5!? 30.Nd4 Re5 31.Re5 f6+=) 30.Ng5+– h5 31.Ne4 (31...Qc8 32.Nf6 Kg7 33.Ne8 Qe8 34.Bg6+–) 1–0. Szabo,M – Wofram,R, corr SOK–89–49, 1989.

6.Bg2 0-0 7.c4 c6 8.a4 d5 9.cd5 cd5 10.d4 Be6 11.Qb3 The isolani on d5 becomes a target 11...Nd7 12.Nc3 Increasing the pressure on the isolated pawn on d5 (12.Bd5?? Nc5 13.Qd1 Bd5-+) 12...Nb6 13.e3 Rc8 14.Nge2 Rc4 15.0-0 Qc7 16.Rac1 Rc8 17.Rc2 (17.h3 Bf8=) 17...Bf8 (17...Na4 18.Rfc1 Nb6 19.Nf4=+) 18.Rfc1 Bb4 19.h4 (better 19.h3=) 19...Na4?? (better 19...h6=+) 20.Na4?? (better 20.Qa4 Qd7 21.Bd5 Bd5 22.Nd5 Qd5 23.Qa2 Rc2 24.Qd5 (24.Rc2?! Rd8=) 24...Rc1 25.Nc1 Rc1 26.Kg2+-) 20...Rc2-+ 21.Rc2 Qc2 22.Qc2 Rc2 23.Nf4 Ra2 (23...Be1 24.Nd3 Bd2 25.Nb6-+) 24.Nb6 a4 (24...Kg7 25.Nbd5 Bd6 26.Ne6 fe6 27.Nb6-+) 25.Nbd5 (25.Bd5 Bd5 26.Nbd5 Ra1 27.Kg2 Rb1-+) 25...Ba5 (better 25...Rb2!? 26.Nd3 Ba5 27.Nf6 Kg7-+) 26.Nf6-/+ Kg7 27.Ne4 (better 27.Ne8 Kf8 28.Nf6-/+) 27...a3 28.Nc5 (28.Ne6 fe6 29.Nc5 Rb2 30.Ne6 Kh6-+) 28...Ra1 (28...Bc4!? 29.Nb7 Rc2 30.Na5-+) 29.Kh2 a2 30.Nce6 fe6 31.Ne6 Kf6 32.Nc5 (32.Bd5 Rh1!! 33.Kh1 a1Q 34.Kg2-+) 32...Rb1 33.Be4 a1Q 34.Bb1 Qb1 35.Kh3 (35.Kg2 Be1 36.g4 b6 37.Nd7 Ke6 38.Nb6 Qb5 39.d5 Ke5-+) 35...Qb5 (35...Qh1 36.Kg4 h5 37.Kf4 Bc7) 36.Kg2-+ b6 37.Ne4 Kg7 (better 37...Ke7 38.Ng5-+) 38.Nd6 (38.Ng5-+) 38...Qd5 39.e4 Qd6 40.Kf3 b5 41.e5 Qd5 42.Ke3 b4 43.Kd3 b3 44.f4 (44.Ke3 b2 45.g4 Qb3 46.Ke2 b1Q 47.d5 Q1d3) 44...Qb5 (44...b2 45.Kc2 Qa2 46.Kd3 b1Q 47.Ke3 Qbb3 48.Ke4 Qac2) 45.Ke4 b2 46.e6 b1Q 47.Kf3 (47.Ke3 Q5d3 48.Kf2 Qbf1) 47...Q5d3 (47...Q1f1 48.Ke4 Qfd3) 48.Kg4 Qbd1 (48...h5 49.Kg5 Qg3) 49.Kh3 Qf5 (49...Q1f1 50.Kg4 Qf5) 50.Kg2 Qe4 51.Kh3 Qdf3 (51...Qeh1) 52.Kh2 (52.e7 Qg2 53.Kg4 Qf5) 52...Qee2 (52...Qg2) 53.Kg1 (53.Kh3 Qg4) 53…Qef2 0-1. kasperoff (1830) - Morphyzm (2180), Hourly SuperBlitz Arena, lichess.org, 2020.

6.Bg2 d5 7.Nf3=.

6.Bg2 f5 7.d4 0-0 (7...c6 8.Nc3=) 8.e3 d5 9.Ne2 c6 (9...Re8 10.0-0+=) 10.bc6 bc6 11.0-0 Nd7 12.Nd2 Nf6 (12...Nb6 13.c4=) 13.c4 (better 13.Rb1+=) 13...dc4 (13...Ne4 14.cd5 cd5 15.Rc1=) 14.Nc4 (14.Bc6!? Rb8 15.Rc1+–) 14...Ba6 15.Rc1 Nd5 (15...Ne4 16.Nd2 Qe8 17.Re1+–) 16.Nf4 (16.Qa4 Bb5 17.Qc2 Rb8+=) 16...Rc8 (16...Nf4 17.gf4 Rc8 18.Qa4+=) 17.Re1 (better 17.Nd3!?+–) 17...Nf4= 18.gf4 c5 19.d5 Bc4 (19...Bb5 20.Qd2 a4 21.Red1+=) 20.Rc4 Qd6 (20...Re8 21.Qc2+=) 21.Qd3 (21.Qa4 Qb6+=) 21...Rfd8 (21...Rb8 22.Ra4=) 22.Rb1 (22.Rec1 Bb2 23.R1c2 Bg7+=) 22...Rb8= 23.Rcc1 (23.Rbc1 Rb2=) 23...Rb4 24.a3 Rb1 25.Rb1 Rc8 26.Qc4 h5 (26...Qf6 27.Bf1+=) 27.Rb7 Bf6 28.Bf1 (28.Ra7 Bd8+=) 28...Kg7 (28...Rd8 29.Ra7 Qd5 30.Qd5 Rd5 31.Bc4 Rd1 32.Kg2+=) 29.Bd3 (29.Ra7+=) 29...Rb8 (29...Rd8 30.Kg2=) 30.Qb5 (better 30.Rb8!? Qb8 31.Qc5+–) 30...Rb7= 31.Qb7 c4 32.Bc4 Qc5 (better 32...Qa3 33.Qc7 Be7=) 33.d6?? (better 33.Qb3+–) 33...Qc4–+ 34.d7 (34.Kg2 Qe2–+) 34...Qc1 35.Kg2 Qd2 (35...Qa3 36.Qd5–+) 36.Qc6 (36.Qa7 Bd8–+) 36...Qd1 (better 36...Bh4!? 37.Kh3 Bf2 38.Qf3–+) 37.a4 (37.Qc7 Qd5 38.Kf1 Qd2–+) 37...Qg4 (better 37...Bh4 38.Qc4 Qd2 39.Qd4 Qd4 40.ed4 Kf8–+) 38.Kf1–/+ Qd1 39.Kg2 Qg4 (better 39...Bh4 40.Qc4 Qd7 41.Qc3 Kg8 42.Qa5 Qc6 43.Kg1 Qc2 44.Qa8 Kg7–+) 40.Kf1–/+ Qd1 (better 40...Bd8 41.Qc3 Kh7–/+) 41.Kg2= ½–½. FeegLood (2745) – chess_stat (2595), lichess.org, 2016.

5.e3 d5 6.Be2 (6.g5 Nh5 7.Bg7 Ng7=) 6...Nbd7 (6...h6 7.h3=+) 7.h4 (7.g5 Nh5 8.Nc3 h6 9.Bh5 gh5 10.Qh5 Ne5 11.gh6 Rh6=+) 7...e5=+ 8.g5 Ng8 9.f4 Ne7 (9...h6 10.Nf3=) 10.Nf3= d4 (10...h6 11.Rg1= (worse 11.Ne5 hg5 12.h5 Nf5=+)) 11.fe5 Ne5 12.Nd4 Nf5 13.Nf5 (13.Na3 h6 14.Nf5 Bf5=) 13...Bf5 (13...Nd3 14.Bd3 Bb2 15.Nc3 gf5 16.Rb1 Bc3 17.dc3+=) 14.d4+/- Qd5 15.Rf1 Nc4 16.Bc1 (16.Nc3 Qe6 17.Bc4 Qc4+/-) 16...0-0-0 17.a4 (better 17.c3!? Rhe8 18.Qb3 Re3 19.Be3 Ne3 20.Qd5 Rd5 21.Na3 Nf1 22.Bf1=) 17...Rhe8 Attacks the backward pawn on e3 18.Nc3? (better 18.Rf3=+) 18...Qg2-+ 19.Rf3?? (19.Bc4 Bd4 20.Ne2 Ba1 21.Bd2-+) 19...Qg1 (better 19...Bd4 20.Qd4 Rd4-+) 20.Bf1 Ne3 21.Be3 Re3 22.Ne2 Rf3 (better 22...Rd4! 23.Qd4 Re2 24.Ke2 Bd4-+) 23.Ng1+- Re3 24.Be2 (better 24.Ne2 Bd4 25.Qc1+/-) 24...Rde8?? (24...Bd4 25.Qb1 Rde8=+) 25.Kf2 (25.Qd2 R3e4 26.0-0-0 Bd4 27.Qa5 Kb8 28.Rd4 Rd4+-) 25...R8e4 26.c3! Bg4?? (26...Rc3 27.Kg2 Combination) 27.Bg4 (27.Bg4 Kb8 28.Bf3+-) 1-0. zembelek (2040) - Gorn (1995), Rated Blitz game, lichess.org, 2014.

5.e3 d6 6.Be2 (6.g5 Nh5 7.Bg7 Ng7=) 6...e5 7.h4 h5 8.g5 Nd5 9.c4 Nb6 10.f4 0-0 11.fe5 Be5 12.d4 (12.Be5 de5 13.Nc3 Be6=) 12...Bg3=+ 13.Kd2 d5 (13...Re8 14.Qf1 Na4+=) 14.c5+= Nc4 15.Bc4 dc4 16.Na3 Bg4 17.Ne2 c6 (17...f5 18.Qc2 Be2 19.Ke2+=) 18.b6 Na6 19.Kc3 (19.Qf1 Bb8 20.Kc1 Nb4 21.Nc4 Bf5=) 19...Nb4 (19...Nc5!? 20.dc5 Be5 21.Kc2 Qd3 22.Qd3 cd3 23.Kd3 Bb2=+) 20.Nc4= Nd5 21.Kd2 Re8 Attacks the backward pawn on e3 22.Qg1 Bb8 (22...Be2 23.Ke2 Bf4 24.Rh3 Bg5 25.Rf3= (worse 25.Qg5 Qg5 26.hg5 Nf4 27.Kd2 Nh3-/+)) 23.Rf1 Qe7 24.Qf2 a4 25.a3 Qe6 26.Ng3 Re7 27.Kd3 (27.Ne5!? Ra5 28.e4 Be5 29.de5=+) 27...Ra6 (27...Bg3 28.Qg3 Bf5 29.Rf5 Qe4 30.Kd2 Qh1 31.Re5 Re5 32.Ne5-/+) 28.Bc1? (better 28.Rc1!?=) 28...Bg3-/+ 29.Qg3 Qe4 (29...Qe4 30.Kd2 Bf5 31.Rf5 gf5=+ (worse 31...Qh1 32.Re5=; worse 31...Qf5 32.Bb2+=)) 0-1. zembelek (2055) - amayak (2105), Rated Blitz game, lichess.org, 2013.

5.Bg2 0-0 6.h3 c6 7.c4 Qb6 (7...d5 8.cd5 Nd5 9.Bg7 Kg7 10.Qa4=) 8.Nc3 a4 (8...Qc5!? 9.Qb3 d6=) 9.Na4+/- Ra4? (better is 9...Qa5 10.Nc3 d6+=) 10.Qa4+- Ng4? (10...d5 11.cd5 cd5 12.Bd4+-) 11.hg4 (11.c5 Qc5 12.d4+- (12.Qg4 Bb2 13.Rb1 d5+=; 12.hg4?! Bb2 13.Rb1 Bg7+/-)) 11...Bb2 12.Rb1 Bd4 13.e3 Bf6 14.Ne2 d6 15.f4 Qc7 16.g5+-.

5.Bg2 d6 6.g5 Nh5 7.Bg7 Ng7 8.Qc1 (8.Nc3 Ne6 9.h4 Nd7=) 8...Nd7 (8...e5 9.h4=) 9.a4 (9.d4 h6=) 9...e5+= 10.h4 h6 11.Nh3 (11.d3!?+=) 11...Nf5-/+ 12.Rg1 (12.Be4 Nh4 13.gh6 Rh6-/+) 12...Nh4-+ 13.Bf1 hg5 14.Ng5 Nf6 15.Ra3 Bf5 16.Qb2 Rh5 17.Qa2 Qd7 18.Rag3 d5 19.Qb2 Qe7 20.Qb3 Qb4 21.Qa2 Qc5 22.Rc3 (22.Nc3 Rd8-+) 22...Qb6 23.Bh3 (23.Re3 Qd4 24.Nc3-+) 23...Rg5! 24.Rg5 (24.Rg5 Ne4 Double attack (24...Ne4 Decoy)) 24...Ne4 25.Rf5 Nf5 26.Rf3 Nd4 27.Rf7 (27.Re3 Qf6 28.Re4 de4 29.b6 Qb6 30.Nc3-+) 27...Nf5?? (27...Qc5 28.d3 Kf7 29.de4-+) 28.Rf5?? (28.e3 0-0-0 29.Bf5 gf5 30.Rg7-+) 28...gf5-+ 29.e3 Qe6 30.Qa3 0-0-0 31.Nc3 Nf6 32.Ne2 Rh8 33.Bf1 Ne4 34.Nc3 Nc5?? 35.Qb2?? Kb8 36.b6 Qb6 37.Qb6 cb6 0-1. Ullen,Jan (2175) - Livner,Anders (2165), Salongernas Elo Stockholm, 1999.

5.h4 b6 6.Bg2+= Ra7 7.g5 Nh5 8.d4 (8.Bg7!? Ng7 9.Nc3+=) 8...Nf4= 9.Bf3 Bb7 (9...Ne6 10.e3=) 10.e3 (10.Qc1 Nh5+=) 10...Ne6 11.c4 (11.Bb7 Rb7 12.Nc3 c6+=) 11...d5 (11...c5 12.bc6 dc6 13.Nc3=) 12.Nd2 (12.cd5 Bd5 13.Nc3 Bf3 14.Nf3 h6+=) 12...c6 (12...0-0 13.Rc1=) 13.bc6+= Bc6 14.Qb3 (14.cd5!? Bd5 15.Rc1+=) 14...dc4 15.Bc6 (15.Nc4 0-0=) 15...Nc6-/+ 16.Nc4 Attacking the backward pawn on b6 (16.Qb5 Qd7 17.Rb1 0-0-/+) 16...Nb4 (16...Qd5!? 17.Rh3 a4-+) 17.a3 (17.Nf3 Rc7 18.Ke2 b5=+) 17...b5 Black prepares a4 (17...Qd5 18.Rh3 b5 19.ab4 a4-/+ (19...bc4?! 20.Qa4 Kf8 21.Ne2=)) 18.ab4= bc4 (18...a4 19.Qd3 bc4 20.Qc4=) 19.Qc4 (19.Qa4 Kf8=) 19...0-0 20.Bc3 (20.b5 Qa8 21.Rh3 a4=) 20...a4 (20...Qa8 21.f3 Rc7 22.Qd3-/+) 21.b5? (better 21.Ne2!?=) 21...Rc7-/+ 22.Qd3 Qa8 (22...Qd5 23.Rh2 Rc4 24.Ne2-/+) 23.f3 (23.Rh3!?=+) 23...Rfc8-/+ 24.Bd2? (better 24.Bb4!?-/+) 24...Nc5-+ 25.Qe2 (25.dc5 Ba1 26.Bb4 a3 27.Qa3 Qa3 28.Ba3 Ra7-+) 25...Nb3 26.Ra2?? (26.Rd1-+) 26...Rc2 27.Rc2 Rc2 28.Qd3 (28.h5-+) 28...Rd2 29.Qd2 Nd2 30.Kd2 a3 (30...Qa5 31.Ke2-+) 31.Kd3 a2 32.Ne2 a1Q 33.Ra1 Qa1 34.Nc3 Qb2 (34...Qf1 35.Kd2 Qf3 36.Ne2-+) 35.Kc4 e5 36.de5 Be5 37.Ne4 Qc2 (better 37...Qe2 38.Kb4 Qe3 39.Ka5-+) 38.Kd5 Bb8 39.Nc5 Qe2 (39...Qd2 40.Kc4 Qe2 41.Kd4-+) 40.Kc6 Qf3 41.e4 Bg3 42.b6 Bf2 43.b7 Qf4 0-1. zembelek (2040) - ManFromMars (2060), Rated Blitz game, lichess.org, 2014.

5.h4 d5 6.g5 Nh5 7.Qc1 (7.Bg7 Ng7 8.Bg2 c6=) 7...e5 8.c4 (8.Nf3 d4=+) 8...c6 (8...0-0 9.Nf3 d4 10.e3=+) 9.cd5 (9.Nf3 d4=+) 9...cd5 (9...Qd5 10.Nf3=+) 10.e3 (10.Nf3 d4=+) 10...Bf5 11.Be2 Nd7 12.Nc3 (12.d3 0-0=+) 12...Rc8-/+ 13.Qd1? (better 13.d4-/+) 13...d4-+ 14.Na4? (better 14.ed4 ed4 15.Bh5 dc3 16.Bc3 Bc3 17.dc3 gh5 18.Ne2-+) 14...Qe7 (better 14...Bc2 15.Bh5 Bd1 16.Bd1 h6-+) 15.Qb3 (better 15.Rc1 0-0 16.Bh5 gh5 17.Ne2=+) 15...Bc2?? (better 15...Be6 16.Qa3 Qa3 17.Ba3 d3 18.Bh5 gh5-/+) 16.Ba3?? (better 16.Rc1 Qe6 17.Rc2 Rc2 18.Qc2+-) 16...Bb3-+ 17.Be7 Ba4 (17...Ke7?! 18.ab3 e4 19.Rd1-/+) 18.Bd6 (18.Ba3 d3! 19.Bd1 Bb5-+) 18...Bf8 (better 18...de3 19.de3 e4 20.Rb1-+) 19.Bf8 Kf8 20.Bh5 (20.Nf3 de3 21.de3 h6-+) 20...gh5 21.Ne2 (21.ed4 ed4 22.Ne2 Re8-+) 21...Bc2 (21...Bb5 22.ed4 h6 23.Rb1-+) 22.Ng3 (22.ed4 ed4 23.Nd4 Re8 24.Kf1 Bd3 25.Kg2 Re4-+) 22...Bg6 (22...h6 23.Rc1-+) 23.Ke2 (23.ed4 ed4 24.f4 h6-+) 23...d3 24.Kf3 e4! 25.Kf4? (25.Ne4 Rc2 Decoy) 25...Rc4 (better 25...Nc5 26.Rac1 h6 27.Nf5-+) 26.Rhc1 Nb6 (26...Rb4!? 27.Rab1 Rb1 28.Rb1-+) 27.Rc4 Nc4 28.Rc1 (28.Ne4 h6 29.Rc1 hg5 30.hg5 Be4 31.Ke4 Nd2 32.Kd3 Nf3-+) 28...Nd2 29.Rc7 (29.Rd1 Nf3 30.Ne4 Nh4 31.Nc5-+) 29...b6 30.Rc6 (30.Rd7 Kg7 31.Rd6 Re8-+) 30...Kg7 31.Rb6 (31.Rd6 Re8-+) 31...Rd8 (31...Nc4 32.Rg6 hg6 33.Ne4-+) 32.Rc6 Nb1 33.Nf1 d2 34.Nd2 Nd2 (34...Rd2 35.a4-+) 35.b6 Nf3 36.b7 Rd5 (better 36...Rb8 37.Rb6 h6-+) 37.b8Q+- Rf5 38.Kg3 Rb5 (38...Ng5 39.hg5 Rg5 40.Kh4 Rg4 41.Kh3 Rg5 42.Qb2 Kh6+-) 39.Qb5 (39.Qb5 h6 40.Qb2 Nd4 41.Qd4 Kf8 42.Rc8 Ke7 43.Rd8 hg5 44.Qd6) 1-0. is_er_nog_hoop (2580) - Valdisito (2510), Rated bullet game, lichess.org, 2019.

6.Be2 d5 7.h4 c6 8.a4 cb5 9.ab5 Nbd7 (9...Be6!?=+) 10.g5= Ne4 11.Bg7 Kg7 12.d3 Nd6 13.Qc1 (13.Nc3 Nc5=) 13...e5 (13...Nc5 14.Nc3=+) 14.Qb2 (14.Nf3 e4 15.Qb2 f6=) 14...Qe7 (14...a4 15.Nc3 d4 16.Qb4=+) 15.Na3 (15.Nf3!?=) 15...b6 16.Bf3 (better 16.Nf3!?-/+) 16...Bb7-+ 17.Ne2 Kg8 (17...f6 18.Rg1-+) 18.Bg4 (18.Nc3 e4 19.de4 Ne5-/+) 18...Nc5 (18...d4 19.Rh3 f5 20.Bf3 Bf3 21.Rf3 de3 22.fe3-+) 19.Ng3? (19.d4!? ed4 20.Qd4-/+) 19...d4 (19...f5 20.gf6 Qf6 21.Rh2-+) 20.e4 (20.0-0 f5 21.ed4 ed4-/+ (21...fg4?! 22.dc5 bc5 23.Qb3 Qf7 24.Qf7 Rf7 25.Rfe1=)) 20...f5 21.gf6 Qf6 (worse 21...Rf6 22.h5-+) 22.Rh2 Qf4 23.Be2 Na4?? (better 23...a4-+) 24.Qb3+/- Kh8 25.Qa4 Be4 26.de4 (26.Ne4? Qh2 27.0-0-0 Ne4 28.de4 Rf2-+) 26...Ne4 27.Ne4 Qh2 28.0-0-0 Qf4 29.Nd2 Rac8? (29...Qf2 30.Bd3 Qh4+-) 30.Nac4 e4 (30...Qf2 31.Bg4 Rcd8 32.Ne5+-) 31.Nb6 Rc3 (31...Rcd8 32.Qa1 Qh4+-) 32.Qd4 Qf6 33.Ne4 (better 33.Qf6 Rf6 34.Nd5 Rf2 35.Nc3 Rf7+-) 33...Qd4 34.Rd4 Rh3 (34...Rc7 35.Nd5 Rd7 36.b6+-) 35.Nd7 Rf2 (35...Rd8+-) 36.Nf2 (36.Nf2 Rc3 37.Rc4 Ra3 38.b6 Ra1 39.Kb2 Rc1 40.Kc1 h6 41.b7 g5 42.b8Q Kg7 43.Qf8 Kg6 44.Rc6 Kh7 45.Rh6) 1-0. dale70 (1985) - Plamen_Stanchev (1955), Rated Blitz game, lichess.org, 2015.

6.Be2 d5 7.h4 c6 8.g5 Ne4 9.d4 (9.Bg7!? Kg7 10.d3=) 9...cb5 10.Bb5 Nc6 (10...a4 11.Bd3-/+) 11.Nd2 Bf5 12.Bd3 Qb6 (12...e5 13.de5 Ne5 14.Rb1-/+) 13.Rb1=+ Nb4 (better 13...Qc7=+) 14.Ba3?? (better 14.Be4 de4 15.a3+=) 14...Nc3-+ (14...Nd3? 15.cd3 Qe6 16.de4 Be4 17.Ne4 Qe4 18.Rh3 Bd4 19.Ne2+-) 15.Bb4 Nd1 16.Be7 Qb1 17.Nb1 Rfe8 18.Bf5 (18.Kd1 Bd3 19.cd3 Re7=) 18...Re7 (18...Ne3 19.fe3 Re7 20.Bd3 Bd4 21.Kd1 Be3 22.Nf3=+) 19.Bd3 (19.Kd1!? gf5 20.Ne2+=) 19...Nb2 (19...Ne3 20.fe3 Bd4=+) 20.Nf3 (better 20.Nc3!? Rd8 21.Nge2=) 20...Nd3-/+ 21.cd3 Rc8 22.Kd2 (22.Kf1 Rc2-+) 22...b5 (22...Rec7 23.Ke2-+) 23.Nc3 Rd7 (better 23...Rec7 24.Rc1 Bf8-/+) 24.Nb5+= Rb8 (24...f6 25.a4+=) 25.a4+/- Rdd8 26.Kc3 (26.Rc1 Rbc8+/-) 26...Rdc8+= 27.Kb3 Bf8 (27...f6 28.gf6 Bf6 29.Ne5 Be5 30.de5+=) 28.Ne5+/- Rb7 (28...Bg7 29.Nd7 Rb7 30.Nc5+/-) 29.f4 (29.e4 Be7+/-) 29...Be7 30.h5 Kg7 (30...gh5 31.e4+/-) 31.h6 Kf8 32.Rh2 Ke8 (32...f6!? 33.gf6 Bf6+/-) 33.Rc2+- Rc2 (33...Rcb8 34.Ka2 Kf8 35.Nc6+-) 34.Kc2 f6 (34...Kf8+-) 35.Nf3?? (better 35.gf6 Bb4 36.f7 Kf8 37.e4+-) 35...Kd7 (35...Bb4 36.e4 fg5 37.fg5+/-) 36.e4 Kc6 (36...fg5 37.Ng5 Bf8 38.Nh7 Bh6 39.Nf6 Ke6 40.Nd5+-) 37.Kc3 (37.Nc3 de4 38.de4 Kd7+-) 37...de4? (better 37...Bb4!? 38.Kb2 Rf7+/-) 38.de4+- Rb5? (38...fg5 39.fg5 Bd6+-) 39.ab5 Kb5 40.Nd2 (better 40.gf6 Bb4 41.Kd3+-) 40...fg5=+ 41.fg5 Bg5 42.Nc4 Bh6 43.e5 (43.Nd6 Ka6=+) 43...Kc6 (43...Bf8 44.d5-/+) 44.Kd3 (better 44.Na5!? Kd5 45.Nc4=) 44...a4-/+ 45.Ke4 Bf8 46.d5 Kb5 (46...Kc5 47.Na3 h5-+) 47.Nd6? (better 47.Ne3!?-/+) 47...Kb4 48.Kd3 (48.Nc8 a3 49.d6-+) 48...Kb3 (better 48...a3 49.Nc4 a2-+) 49.Nc4 (49.Nb5 a3 50.Nd4 Kb4-+) 49...a3-+ 50.Na3 Ka3 (50...Ba3 51.Ke4-+) 51.d6 Kb4?? (better 51...g5 52.Ke4 g4-+) 52.Kd4= Kb5?? (better 52...g5 53.Kd5 g4=) 53.Kd5+- Kb6 (53...g5+-) 54.Ke6 (better 54.e6 Bd6 55.Kd6+-) 54...Kc6-+ 55.Kf7 (55.d7 Kc7 56.Kd5-+) 55...Bd6! 56.e6 (56.ed6 Kd6 Combination) 56...Bc5 (56...g5 57.e7 Be7 58.Ke7-+) 57.Kg7 (57.Kf6 h5 58.Kg5 Be7 59.Kf4 Kd5-+) 57...Bb4 (57...g5 58.Kh7 g4 59.Kg6-+) 58.Kh7 (58.Kh6-+) 58...Kd6 (better 58...g5 59.Kg6 g4-+) 59.Kg6= Ke6 ½-½. zembelek (2000) - onlichess (1990), Rated Blitz game, lichess.org, 2014.

6.Be2 d5 7.h4 Nbd7 8.g5 Ne4 9.Bg7 Kg7 10.d3 Nd6 11.a4 (11.Nc3 c6=) 11...e5=+ 12.Nd2 f5 13.f4 ef4 14.ef4 Qe7 15.Ra3 (15.Ndf3 Re8=) 15...Qe3=+ 16.Qa1 Kg8 17.h5 gh5 (better 17...Nf7=+) 18.Rh5?? (18.Qc3 Nb6=) 18...Qf4 (better 18...Qg1 19.Nf1 Re8-+) 19.g6? (19.Nh3 Qh2 20.g6 Qg3 21.Kd1 hg6 22.Rh8 Kf7 23.Rh7 Ke8 24.d4+-) 19...Qg3-+ 20.Kd1?? (better 20.Kf1 Qg6 21.Nh3-+) 20...Qg1 21.Nf1 Qg6 22.d4 (22.Qd4 Nf6 23.Rh1 Be6-+) 22...Ne4 23.Rah3 (23.Rh2 Ndf6 24.Rf3 Bd7-+) 23...Ndf6 (better 23...Nf2!? 24.Kc1 Nh3 25.Rh3-+) 24.Rh6 Qg5 25.Ke1 Be6 26.Nh2 (26.Rh2 Rae8 27.Qa3 f4-+) 26...Qg1 (better 26...Qd2!? 27.Kf1 f4 28.Nf3 Bh3 29.Rh3 Qc2 30.Qd1-+) 27.Nf1 Qf2 (better 27...f4 28.Rh2 Ng3 29.Qa3 Nf1 30.Rh1-+) 28.Kd1 Rf7 (28...Qf4 29.Ke1-+) 29.Rh2 (29.Rf3 Qg1-+) 29...Qf4 (29...Qg1 30.Kc1-+) 30.Rg2 (30.Ke1 Ng4 31.R6h4 Rg7-+) 30...Kh8 31.Rh3 Nf2 32.Rf2 Qf2 33.Rf3 Qg2 34.Qc3 (34.Qb2 f4! 35.Rf4 Ne4 36.Re4 Rf1 37.Bf1 Qf1 38.Re1 Bg4 39.Kd2 Qf2 40.Kc3 Qe1 41.Kb3 Be2 42.Qa3 Qb1 43.Kc3 Re8 44.Kd2 Qd1 45.Kc3 Re3 46.Kb2 Ra3 47.Ka3 Qa1 48.Kb3 Bc4) 34...Ne4 35.Qe1 Rg8 36.Ne3 (36.Rf4 Qg7 37.c3 Qf8-+) 36...Qg1 37.Bf1 (37.Qg1 Rg1 38.Rf1 Rf1 39.Nf1 Nc3 40.Kd2 Na4-+) 37...f4 38.Rh3 Rg3 (38...fe3 39.Kc1 Rf1 40.Rh4 Re1 41.Kb2 Rb1 42.Ka2 Ra1 43.Kb3 Qb1) 39.Rg3 fg3 40.Ke2 (40.Ke2 g2! 41.Nf5 gf1Q 42.Qf1 Qh2 43.Ke3 Qd2 44.Kf3 Bf5 45.c4 Be6). zembelek (2005) - DeathInTheToilet (1950), Rated Blitz game, lichess.org, 2014.

6.Be2 d6 7.h4 e5 8.g5 Nfd7 9.c4 c6 10.a4 Nc5 11.d4 ed4 12.Bd4 Bd4 13.ed4 Ne6 14.Nc3 Nf4 15.Qd2 Ne2 16.Nge2 Bg4 17.Qf4 Qd7 18.f3 Bf5 19.h5 Re8 20.Kf2 cb5 21.ab5 Qe6 22.d5 Qe5 23.Qe5 Re5 24.f4 Re7 25.Nd4 Nd7 26.Nf5 gf5 27.Rae1 Rae8 28.Re7 Re7 29.Re1 Re1 30.Ke1 Nc5 31.Ke2 a4 32.Ke3 a3 33.Na2 f6 34.Kd4 Kf7 35.Nc3 Ne4 36.gf6 Kf6 37.Na2 h6 38.Nb4 Ng3 39.c5 dc5 40.Kc5 Nh5 41.d6 Nf4 42.Kb6 Ke6 43.Kb7 Kd6 44.b6 Ne6 45.Kc8 Nc5 46.b7 Nb7 47.Kb7 f4 48.Kb6 f3 49.Ka5 f2 50.Ka4 f1Q 51.Ka3 Qb5 52.Nc2 h5 53.Nd4 Qd3 54.Nb3 h4 55.Kb4 Qb3 56.Kb3 h3 57.Kc4 h2 58.Kd3 h1Q 59.Kd2 Qf1 60.Kc3 Qd1 61.Kc4 Qd2 62.Kb5 Qc3 63.Ka4 Qb2 64.Ka5 Kc6 0-1. zembelek (2085) - devils (2035), Rated Blitz game, lichess.org, 2014.

6.Bg2 d5 7.g5 Nh5 8.Bg7 Ng7=.

6.c3 d5 7.e3 e5 8.h4 0-0 (8...h6!?+=) 9.Be2= Nd7 10.Bh5 gh5 11.Qh5 Nc5 (11...e4 12.d4 ed3 13.Nf3+=) 12.Qe2 (better is 12.Ba3!? Qe7 13.Qe2+=) 12...e4–/+ 13.Ba3 (13.Kd1 Nd3 14.Ba3–+) 13...Nd3–+ 14.Kd1 Re8 15.Nh3 Bf5 16.Nf4?? (16.f3–+) 16...Nf4 (better is 16...Bg4! 17.f3 Nf4–+) 17.ef4–/+ Qd7 18.Rg1 d4 19.cd4?? (better is 19.Ke1 d3 20.Qe3–/+) 19...Bd4–+ (19...Qd4?! 20.Nc3+=) 20.Nc3 Bc3 21.Kc2 (21.Rc1 Bb4 22.Bb2–+) 21...Ba1 22.Ra1 e3 23.d3 ef2 24.Bb2 Qd3! 25.Qd3 Bd3 26.Kd3 Re1 (26...Re1 27.Rc1 f1Q 28.Kc2 Rae8 29.Rd1 Qc4 30.Bc3 R8e2 31.Rd2 Rd2 32.Kd2 Qe2) 0–1. elsh1403 (1690) – matt (1680), kurnik, 2013.

7.a4 c6 8.c4 d5 9.e3 e5 10.h4 (10.cd5 cd5 11.Nc3 A) 11...Qg5 12.Nd5 Qd8 13.Rc1 Qd5 14.Rc8 Ke7 15.Rh8 Qh1 16.Qg4+- (< 16.Rh7 Nd7+/-); B) 11...Be6=) 10...h6=+ 11.Qf3 Be6 12.Nc3 (12.cd5 cd5 13.Bh3 e4=+) 12...dc4-/+ 13.Qe4 hg5 14.hg5 Rh1 15.Qh1 Qg5 16.Qh8 Ke7 17.Qg7 (17.bc6 A) 17...Qg1?? 18.cb7 Ra7 19.Qb8 (19.Qg7?! Rb7 20.Qe5 Nd7 21.Nd5 Ke8+/-) 19...Rb7 20.Qb7 Kf6 21.Qc7+-; B) 17...bc6 18.Qg7 Qg1+=) 17...Qg1 18.Qe5 Nd7 19.Qc7 Rh8 20.bc6 bc6 21.Qc6 (21.Ne2 Qg5 22.Nd4 Bh3=) 21...Rh1 (better is 21...Rh2!? 22.0-0-0 A) < 22...Rf2 23.Bh3 (23.Bc4?! Qg2 24.Bd5 Qh3=) 23...Qg3 24.Be6 fe6 25.Ne4+-; B) 22...Qf2 23.Bc4 Qf5=+) 22.0-0-0+= Rh2 23.Ne4 Qg4 (better is 23...Rh1!?+=) 24.Qd6+/- Ke8 25.Qh2 Qe4 26.Qh8 Ke7 27.Qc3 Nc5 28.Qa3 Qd5 29.d4 cd3 30.Bd3 Kf6 31.Qc3 Qe5 32.Qe5 Ke5 33.f4 Kf6 34.Bc2 g5 35.fg5 Kg5 36.Rf1 f5 37.Rf4 Kf6 38.Kd2 Ke5 39.Kc3 Na6 ½-½. Frenzel,Lothar - Schepers, corr DDR cup, 1988.

7.a4 e5 8.h4 =+.

7.Qc1 0-0 8.h4 c6 9.a4 b6 10.c4 Bb7 11.Bg2 Qc7 12.Nc3 cb5 13.Bb7 (13.Nb5 Qc8 14.Nf3 Nc6=) 13...Qb7 14.Nf3? (14.Nd5 bc4 15.Qc4 Nc6=) 14...b4 (better 14...bc4 15.Qc2 Na6-+) 15.Nd5=+ Nc6 16.h5 (16.Rb1=+) 16...gh5 (better 16...Nh5!? 17.d4 Rac8-/+) 17.Qc2 f5 (17...d6!?=) 18.gf6+= ef6 19.0-0-0 (19.Qb2 Rae8+=) 19...Rae8 20.Rdg1 Kh8 21.Nh4?? (21.Kd1 Ne5=) 21...Re5?? (better 21...Nd4 22.Rg7 Nc2-+ (22...Kg7?! 23.Rg1 Kh8 24.Ng6 hg6 25.Qg6 Ne2 26.Kb2 Ng1 27.Qh6 Kg8 28.Qg6 Kh8 29.Qh6 Kg8 30.Qg6 Kh8=)) 22.Ng6 Kg8?? (22...hg6 23.Qg6) 23.Nf8+- Kf8 24.Qh7 Rg5 25.Nf6 (25.Qh6 Qa6 26.d3 Qc4 27.dc4 Kg8 28.Nf6 Kf8 29.Rg5 Ke7 30.Qg7 Ke6 31.Ne8 h4 32.Qf6) 25...Rg1 (25...Ne7 26.Nd7! Ke8 27.Nf6 Kf8 28.Nh5 Qc6 29.Ng7 Qc4 30.Kd1 Qb3 31.Ke1 Rg1 32.Rg1 Qa2 33.Qh8 Ng8 34.Ne6 Qe6+-) 26.Rg1 Ne6 (26...Ke7 27.Rg7 Kd6 28.Ne4 Kc7 29.Rd7 Kb8 30.Rb7 Ka8 31.Qc7 h4 32.Qc8 Nb8 33.Qb8) 27.Rg8 1-0. oxymoron21st (2015) - zembelek (2080), Rated Blitz game, lichess.org, 2014.

7.d4 h6 =.

7.Nf3 c6 8.a4 d5 9.Bg2 Nd7 10.d4 Nb6 11.Nbd2 Bg4 (11...cb5!? 12.ab5 Bd7=) 12.Ne5+=.

7.Nf3 c6 8.e3 h6=.

7.Nf3 c6 8.e4 cb5 9.Bb5 Nc6 10.d4 0-0 11.d5 Na7 12.Be2 d6 13.c4 (better 13.Qd2+=) 13...b5? (better 13...Bh3=) 14.cb5+- a4 (14...e5 15.Qb3 Nh5 16.Nbd2+/-) 15.Nc3 (15.Qa4 Bh3 16.Nbd2 e6+-) 15...Bd7 (15...Bg4 16.Qd3+-) 16.Rb1 (16.Qd2!? Bg4 17.Rb1 Bf3 18.Bf3 Nc8+-) 16...Qa5 17.Qd2 (better 17.Qd4!? Rac8 18.Kd2+-) 17...Rfc8+= 18.Nd1 Qb6? (18...Nb5 19.Bb5 Bb5 20.Qa5 Ra5 21.Kd2+=) 19.Ne3 (better 19.0-0!?+-) 19...Nb5+/- 20.0-0 Rab8 21.Bb5 Bb5 22.Nd4 Qa6 23.Rfc1 (23.Rb5?! Rb5 24.Ng4 Kf8 25.Nb5 Qb5=) 23...Rc1 24.Qc1 (24.Rc1 Nh5 25.Nc6+/- (25.Nb5?! Qb5 26.Ng4 f6+=)) 24...Ne8?? (better 24...Rc8 25.Qa3 Bd7+=) 25.Ng4+- (25.Rb5?! Rb5 26.Nb5 Qb5+=) 25...a3? (25...f6 26.Qb2 a3+-) 26.Nh6 (26.Rb5?! Rb5 27.Nb5 Qb5 28.Qa3 Qb1 29.Kg2 Qe4 30.Qf3 Qf3 31.Kf3 Nc7+=) 26...Kf8 (26...Kg7+-) 27.Qf4 (27.Nb5?! Rb5 28.Rb5 Qb5=; 27.Rb5?! Rb5 28.Kg2 Rd5 29.ed5 Qa5+-) 27...Nf6 28.gf6 Be8 29.fe7 (29.Rb8 Qb6 30.Rb6 Bd7 31.fe7 Kg7 32.Ndf5 Bf5 33.Nf5 gf5 34.Qg5 Kh8 35.e8Q) 29...Ke7 30.Rb8 (30.Rb8 Qb6 31.Rb6 Kd8 32.Qd6 Bd7 33.Rb8) 1-0. fireheart92 (2820) - SODALUV (2695), Rated Bullet game, lichess.org, 2021.

7.Nf3 d5 8.Nc3=.

7.Bg2 d5 8.Nf3 0-0 9.c4 dc4 10.Qc2 c6 11.a4 (11.Qc4!? Nf5 12.bc6 Nc6 13.Nc3=) 11...cb5 12.ab5 Bf5 (12...Be6!?+=) 13.Qc4=.

7.h4 d5 8.a4 b6 9.Bg2 0-0 10.d3 e5 11.Nd2 Be6 12.e4 de4 13.Ne4 Nd7 14.Ne2 f5 15.Nf6 Nf6 16.gf6 Rf6 17.Ba8 Qa8 18.Rg1 Nh5 19.Qd2 f4 20.0-0-0 Qf8 21.Qc3 Qd6 22.d4 e4 23.Rg5 f3 24.Ng1 (24.Ng3 Ng3 25.Rg3 Qf4 26.Kb1 e3+=) 24...Kg7 (24...Bf5 25.Qc4 Kf8 26.Kb1–/+) 25.d5 (25.Re5 Bd5+=) 25...Bf7 (25...Bf5 26.Rd4+=) 26.Rd4 (better is 26.Nh3+/–) 26...Qg3?? (better is 26...Qf4 27.Rd2 Qh4+=) 27.Rg3+– Ng3 28.Nf3 Rf3?? 29.Rd3 Kh6 30.Rf3 Ne2 31.Kb2 Nc3 32.Rc3 Bd5 33.Rc7 g5 34.hg5 Kg5 35.Rh7 1–0. sacaniev – farukaligera, kurnik, 2012.