5.Nf3 Qc7 6.a4 Be7 7.Be2 Nbd7 8.0-0 e5 9.h3 Bd6 (9...0-0 10.Nh4=+) 10.d3 (10.Nh4 Nf8=) 10...0-0 11.Nh2 (11.a5 Re8=) 11...b6 12.Nd2 Bb7 13.Ng4 a6 14.Nf6 Nf6 15.Nf3 (15.ba6 Ra6 16.d4 Ra7=+) 15...ab5 16.ab5 Rad8 (16...Ra1 17.Ba1 Ra8 18.c4=+) 17.Ra7 Qe7 (17...Rfe8 18.Qd2=+) 18.Qa1 (18.Ne5 Be5 19.Be5 Qe5 20.Rb7 d4+/-) 18...Bb8 (18...d4!?=+) 19.Be5+= Ba7 20.Qa7 Nh5 (20...d4 A) worse 21.ed4 Nd5-/+; B) 21.Qb6? Nd5 22.Qa7 Nc3-+ (22...de3?! 23.Qa1-/+); C) 21.e4=) 21.Qb6 f6?? (21...d4 22.ed4 cd4 23.Bc7+=) 22.Bb2 (better 22.Bc7 Rb8 23.d4+-) 22...Rb8+/- 23.Ba3 Rfc8 24.Nd4 g6 (24...Ng3 25.Bg4 Nf1 26.Bc8 Rc8 27.Kf1+-) 25.Bh5 (25.Bg4 f5 26.Bh5 Ba8 27.Bc5 Qc5 28.Qe6 Kf8+-) 25...gh5 26.Nb3 (better 26.Nf5 Qe5 27.Nd6+-) 26...Bc6+/- 27.Bc5 Qd7?? (better 27...Rb6 28.Be7 Bb5+/-) 28.bc6+- Qc6 29.Qc6 Rc6 30.Bd4 (30.Rc1!? Kf7+-) 30...Rc2 31.Nc5 Rf8 (31...Kf7+-) 32.Nd7 Rf7 (32...Rd8 33.Nf6 Kf7 34.Nh5+-) 33.Nf6 Kf8 34.Nd5 1-0. Abdullaevich (1830) - SamuraiSitcom (1820), lichess.org, 2020.

5.Nf3 h6 6.a4 Be7 (6...Bd6 7.Be2=) 7.Be2 0-0 8.0-0 a6 9.c4 ab5 10.cb5 (10.ab5 Ra1 11.Ba1 Nbd7=) 10...Bd6 11.h3 Re8 12.d3 e5 13.Nbd2 Bd7 14.Nh2 Bf5 15.Ng4 (15.e4 de4 16.de4 Ne4=+) 15...Bg6 (15...Ng4!? 16.e4 Nf2 17.Rf2 Be6-/+) 16.Nf6= Qf6 17.f4 (17.Qb3 Qe6 18.e4 de4 19.Qe6 Re6 20.de4+=) 17...Qh4 (better 17...Qe6=+) 18.Nf3 Qe7 19.fe5 Bc7 20.d4 cd4 (better 20...c4!?+=) 21.ed4+/- (21.Bd4?! Nd7=) 21...Qb4 22.Ba3 (22.Qd2 Qd2 23.Nd2 Nd7+-) 22...Qa4 23.Qc1 Qa5?? (23...Qb3 24.Qc7 Ra3 25.Ra3 Qa3 26.Qb7 Qe3 27.Rf2+/-) 24.Nh4 (24.Bb2 Qa1 25.Ba1+- (25.Qa1?! Ra1 26.Ra1 Nd7+=)) 24...Nd7 25.Ng6 fg6 26.Qf4 (26.Bf3 Kh7+/-) 26...Qc3 (26...Kh8 27.Qf2 Bb6+=) 27.Qf7 (better 27.Rac1 Qa3 28.Rc7+-) 27...Kh8 28.Qd7?? (better 28.Qd5 Ne5 29.Qc5 Qe3 30.Kh1=+) 28...Red8 (better 28...Qd4 29.Kh1 Qe5 30.Qc7 Qc7-+) 29.Qe6 (29.Qg4 Ra3 30.Ra3 Qa3+-) 29...Ra3 (29...Qd4 30.Kh1 Re8+-) 30.Ra3+- Qa3 31.Qg6?? (better 31.Rf7 Qe3 32.Kh2 Qe2 33.Rc7+-) 31...Qe3-/+ 32.Kh2 Qe2 33.Rf7 Be5! 34.de5 Qe5 35.Kh1 (35.Qg3 Qg3 36.Kg3-/+) 35...Qe1 (better 35...Ra8 36.Rf1 Ra1 37.Ra1 Qa1 38.Kh2 Qf6 39.Qe8 Kh7-/+) 36.Kh2= Qe5 37.Qg3 (37.Kh1 Ra8 38.Qb1-/+) 37...Qb2 (better 37...Qg3 38.Kg3 d4-/+) 38.Rb7+= d4 1-0. Abdullaevich (1830) - xXJustin14Xx (1720), lichess.org, 2020.

6.c4 Nbd7!? =.

6.c4 Ne4 7.Be2 Nd7 8.0-0 dc4 9.Na3 Nb6 10.Nc4 Nc4 11.Bc4 +/–.

6.c4 Ne4 7.Be2 Nd7 8.0-0 f6 9.a4 Nb6?? (better is 9...Nd6 10.cd5 ed5+/–) 10.d3+– Nc4 11.dc4 Qd8 12.Nc3 Nc3 13.Bc3 Be7 14.Qb3 0-0 15.Rfd1 Re8 16.cd5 ed5 (16...Bd6 17.Bd3+–) 17.Bc4! (17.Bc4 Kh8 18.Rd5+–) 1–0. pierred (2850) – omaini (1955), net–chess.com, 2015.

6.c4 Ne4 7.Be2 Nd7 8.0-0 f6 9.Qc2 Qb4?? (better is 9...Nd6 10.cd5 ed5+/–) 10.d3+– a6 (10...Nb6 11.a4 dc4 12.de4+–) 11.de4 (11.a3!? Qa5 12.de4 de4 13.Qe4 Be7+–) 11...de4 (11...dc4 12.Bc3 Qb5+–) 12.Bc3 (12.Bc3 ef3 13.gf3 ab5 14.Bb4 cb4 15.cb5+–) 1–0. pcmvr – omaini (1955), net–chess.com, 2015.

6.Be2 Bd7 7.a4 c4 8.0-0 Bb5? (better is 8...Bb4=) 9.Bc3 Bb4 10.ab5 Qb5 11.Na3 Ba3 12.Ra3 0-0 (12...Nbd7 13.Qa1 a6 14.Rb1+–) 13.Qa1 Qd7 14.Bf6 gf6 15.Qf6 h6 (15...Nc6+–) 16.d3 Qd8 (16...b5 17.Qh6 f6 18.Nd4+–) 17.Qh6 f6 (17...Nd7 18.Ng5 Nf6 19.e4+–) 18.Qg6 Kh8 19.dc4 Qe7 20.Rfa1 a6 21.Nd4 f5 (21...Rf7 22.cd5 e5 23.d6+–) 22.Qh6 Qh7 (22...Kg8 23.Ne6 Rf7+–) 23.Qf8 (23...Qg8 24.Qf6 Qg7 25.Qe6+–) 1–0. Trkn – guest6162, ICC, 2004.

6.a4 a6 7.c4 dc4 8.Bc4 ab5 9.ab5 (9.Bb5 Bd7=) 9...Ra1 10.Ba1 Bd7 (10...Be7 11.Be5 Nbd7 12.d4=) 11.Qb3 Be7 12.0-0 0-0 13.Nc3 (13.Rc1 Rd8=) 13...Qd8 (13...Rc8 14.Bb2+=) 14.Rd1+= b6 (14...Qa5 15.d4+=) 15.d4 (15.Na4 Ne4+=) 15...cd4 16.Nd4 (16.Na4 de3 17.Qe3 Qc7 18.Nb6 Bc5=+) 16...Bc5 (16...Qc7 17.Nf3+=) 17.Nc6 (17.Na4!? Qc7 18.Nf3+/–) 17...Qc7= 18.Nb8 Rb8 19.h3 (19.Na4 Bd6 20.f4 Rc8=) 19...Rc8 (19...Rd8 20.Na4=) 20.Be2 (20.Na4!?+/–) 20...Be7 21.Bf3 Ne8 (21...Qc5 22.Qb2=) 22.Na4 (22.Ne4 f5 23.Ng3 Kh8+=) 22...Nd6= 23.Be5 f6 (better is 23...Bb5!? 24.Qb5 Nb5 25.Bc7 Rc7 26.Nb6 h6=) 24.Bd6+/– Bd6 25.Bc6 (25.Qd3 Bh2 26.Kh1 Be8+–) 25...Bc6 (25...Rd8 26.Bd7 Qd7 27.f4+=) 26.Qe6 (26.bc6?! Kf7=) 26...Kh8 27.bc6 (better is 27.Rd6 Bb5 28.Nb6 Qc1 29.Kh2+/–) 27...Bh2? (better is 27...Rd8 28.Nb2 b5+/–) 28.Kh1+– Qc6?? (28...Be5 29.Nb6 Rb8+–) 29.Qc6 (29...Bc7 30.Qc7+–) 1–0. Fredek (2090) – Guest371000, Freundschaftspartie, 5m + 0s, 2005.

6.a4 Bd7 7.Bf6 gf6 8.Nh4 (8.c4 dc4 9.Bc4 Qa5+=) 8...a6 9.Nc3 Be7 (9...Qa5 10.ba6 ba6 11.Qf3=) 10.Qf3 (10.ba6 Na6 11.Bb5 Qc7=) 10...Rg8 (10...ab5 11.Bb5 d4 12.ed4 cd4 13.Rb1=+) 11.Be2 (11.Qh5 Rh8=) 11...Bd8 (better 11...ab5!? 12.Bb5 d4=+) 12.a5 Qc7 13.b6 (13.Qh5 Rh8+=) 13...Qc6 (13...Qe5!? 14.Qh3 f5=) 14.0-0 Ke7 (14...d4 15.Na4+=) 15.Qh5+/- d4? (better 15...Rg7+/-) 16.Bf3 Qd6? (16...Qc8 17.Qh7 Kf8 18.Ne4+-) 17.Ne4 (better 17.Qh7!? dc3 18.Qg8 Bc6+-) 17...Qe5 18.Qh7 Bc6 (18...Kf8 19.Nc5! Qc5 20.Bb7 Bc6 21.Ba8 Ba8+-) 19.Qg8 Be4 20.Be4 (better 20.ed4!? Qd5 21.c4 Qd4+-) 20...Qe4 21.Qh8 de3 22.fe3 (22.de3 Nd7+-) 22...Kd7 (22...Nd7 23.Rfc1+-) 23.Nf3 Qc2 (23...Be7 24.Rad1 Bd8 25.d4+-) 24.Qf8 (24.Ne5 fe5 25.Rf7 Be7 26.Qe5 Nc6 27.Qc7 Ke8+-) 24...Qh7 (24...Nc6 25.Qf7 Be7 26.Rac1+-) 25.Qc5 (better 25.Ne5! fe5 26.Rf7 Qf7 27.Qf7 Be7+-) 25...Nc6 26.Rac1 (better 26.Qf8!? Qh5+-) 26...Be7 27.Qc3 Rg8 28.Nd4 (better 28.Ra1+-) 28...Qg6?? (28...Bd6 29.g3 Rh8+-) 29.Rf2 Qe4 30.Re1 (better 30.Nc6 bc6 31.d3 Qd5+-) 30...Bb4 (30...Nd4 31.Qd4 (31.ed4?? Qe1 32.Rf1 Qe4-+) 31...Qd4 32.ed4+-) 31.Qc2?? (31.Qa1 Nd4 32.ed4 Qd5 33.Qa4 Qb5+-) 31...Qe5?? (31...Qc2 32.Nc2 Ba5 33.Na3+-) 32.Qd3 (better 32.Nc6 bc6 33.Rc1 Qd5+-) 32...Bd6 (32...Nd4!? 33.Rf4 Bc5 34.ed4 Qe1 35.Rf1 Qe5 36.dc5 Kc8+-) 33.g3 Ke7?? (33...Nd4 34.Qd4 Qd4 35.ed4 f5+-) 34.Nc6 bc6 35.Qa6 Qg5 (35...Rd8 36.d4 Qd5 37.Rb2+-) 36.Qb7 Kf8 37.Qc6 Bg3 38.hg3 Qg3 39.Rg2 (better 39.Kf1 Qh3 40.Ke2 Qh5 41.Kd3 Qg6 42.Qe4+-) 39...Qe1 40.Kh2 Qh4 (40...Rh8) 41.Kg1= Qe1 (41...Qe1 42.Kh2 Rh8) 0-1. Akrapovik (1630) - TypmitWolfsmaske (1635), lichess.org, 2019.

6.c4 Bd7 7.a4 a6 8.Nc3 d4 (8...Be7 9.Bd3=) 9.a5 (9.ed4 cd4 10.Ne2 Bc5 11.Ned4 0-0+=) 9...Qc7 (9...Qd8 10.ed4 ab5 11.Nb5 Ra5 12.Ra5 Qa5 13.Be2+=) 10.ed4 (10.b6 Qd6 11.ed4 Nc6 12.dc5 Qc5+=) 10...cd4 (10...ab5 11.Nb5 Bb5 12.cb5 Ra5 13.Be2+=) 11.Nd4+/- Bc5 (11...Bb4 12.Nb3+/-) 12.Nb3 Bd4 (12...Bd4 13.Nd4 0-0+-). zembelek (2110) - Marko_Polo (1920), Rated Blitz game, lichess.org, 2013.

6.a3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5 c5 6.e3).

6.a3 Nbd7 7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5 c5 6.e3 Nbd7 7.c4).

6.a4 Be7 7.c4 0-0 8.d4 b6 9.Be2 Bb7 10.0-0 Nbd7 11.Nbd2 Rc8 12.Rc1 Ne4 13.cd5 (13.Ne4 de4 14.Ne5 Ne5 15.de5 Qc7=) 13...Bd5 14.Ne4 Be4 15.Bd3 Nf6 16.Be4 (16.Ne5 Ba8+=) 16...Ne4+= 17.Ne5 Bd6 18.Nc6 (18.Nc4 Be7+=) 18...Qh4 19.g3 Qh3 (better 19...Qg5!?+=) 20.Rc4 f5 21.dc5 Bc5 22.Qd7 (22.Qd7 Qh6 23.Ne7 Be7 24.Rc8+–) 1–0. marekt – LeHorla, ChessWorld.net, 2018.

6.c4 Nbd7 7.Nc3=.

6.c4 Be7 7.a4 (7.cd5 ed5 8.Be2 0-0=) 7...b6 (7...dc4 8.Nc3=) 8.Be2 (8.cd5 ed5 9.Be2 0-0=) 8...0-0 9.0-0 Bb7 10.d4 Nbd7 11.Nbd2 Re8 12.h3 Rc8 13.Rc1 Nf8 (13...dc4 14.Nc4 Bd5 15.Qc2=) 14.Ne5 Bd6 15.Bf3 Ne4 16.Be4 de4 17.dc5 (17.Qh5!? Qc7 18.Rfe1=) 17...Rc5=+ 18.Bd4? (better 18.f4!?=+) 18...Re5–+ 19.Be5 Be5 20.Qc2 f5 (20...Qh4 21.c5 bc5 22.Qc5–+) 21.Rfd1 Qg5 22.c5 bc5 23.Qc5 Nd7 24.Qa7 Bc8 (better 24...Rb8=+) 25.Rc8!+– Rc8 Decoy to c8 26.Qd7 (26.Qd7 Rd8 27.Qe6 Kh8 28.Qe5+–) 1–0. Woschkat,Karl_Heinz – Albert, tt Bez–Kl, 1989.

6.Be2 a4 7.c4 b6 8.d4 Bb7 9.0-0 Be7 10.cd5 Bd5 11.dc5 (11.Ba3 Ne4=) 11...Bc5 12.Bd4 Bd4 13.Qd4 Nbd7 14.Nc3 0-0 (14...Nc5 15.Rfd1+=) 15.Na4 Rb8 (15...e5 16.Qb4+–) 16.Nc3 Nc5 17.Ne5 Rc8 18.Rfd1 h6 (18...Qc7 19.Nd5 Nd5 20.Bf3+–) 19.Nd5+– Nd5 20.Bf3 Ne7 21.Nc6 Nc6 22.bc6 Qc7 23.Qb2 (23.Qd6 Qa7+–) 23...e5 24.Bd5 Kh8 (24...Ra8 25.Rab1 Ra6 26.Rd2+–) 25.a4 Ra8 26.a5! Ra5 (26...Ra5 27.Ra5 Combination; 26...ba5 27.Qa3 Decoy) 27.Ra5 ba5 28.Qc3 (better 28.Qa3 Qa7 29.Rc1+–) 28...Ne4?? (better 28...Na6+–) 29.Be4+– f5 (29...Re8+–) 30.Rd7 Qb6 (30...Qb8 31.c7 Qe8 32.Bf5 a4+–) 31.Qe5 fe4 (31...Rf6 32.Qg3 Qb1 33.Bb1 Rf7 34.Rf7 Kh7 35.Qg7) 32.Qg7 1–0. Lejel – ToffiC, internet, 2019.

6.Be2 b6 7.0-0 Nbd7 8.c4 (8.d3 Bd6+=) 8...dc4 (8...Bd6 9.cd5 ed5 10.Re1=) 9.Bc4 (9.Na3 c3 10.Bc3 Bb7+=) 9...Bb7= 10.d4 (10.d3 Bd6+=) 10...Be7 11.Nbd2 0-0 (11...cd4 12.Bd4 0-0 13.Qe2=) 12.Rc1 Rc8 13.Qe2 Ne4 (13...cd4 14.Bd4 Ba3 15.Rc2=) 14.Rfd1 Nd2 15.Rd2 Qc7 16.Bd3 (16.d5 ed5 17.Bd5 Bd5 18.Rd5 Bf6+=) 16...Bf6 (16...Bd6 17.Ne5+=) 17.Ba3 (17.Ne5 Rfd8+=) 17...Qb8 18.dc5 Nc5 19.Bc5 Rc5 20.Rc5 bc5 21.Rc2 (21.Rd1 Rd8+=) 21...Rd8= 22.Bc4 (22.Rc5? Qd6 23.Bh7 Kh7–+) 22...Qd6 (22...Be4 23.Rd2=) 23.Rd2 Bf3 (23...Qc7 24.Rd8 Qd8 25.e4=) 24.Rd6+= Be2 25.Rd8 Bd8 26.Be2 Kf8 27.Kf1 Ke7 28.Bc4 Kd6 29.Ke2 f6 (29...a4 30.f4=) 30.Kd3 (30.a4 f5+=) 30...Bb6 (30...a4 31.f4+=) 31.Bb3 Bd8 32.Kc4 Bb6 33.f4 f5 34.Bc2 Ba7 (34...g6 35.e4+–) 35.h3 Bb6 36.g4 g6 37.e4 fg4 38.hg4 Ba7 (38...h5 39.g5 Ke7 40.Bd1+–) 39.Bd1 (39.g5 Bb8+–) 39...Bb6 (39...h6 40.g5 h5 41.f5 ef5 42.ef5+–) 40.Bf3 (40.g5 Kd7+–) 40...Ba7 (40...e5!? 41.f5 Bd8+–) 41.g5 Bb6 42.Bg4 (42.a3 Kd7+–) 42...Ba7 (better 42...a4!?+–) 43.f5+– ef5 44.ef5 gf5 45.Bf5 Bb6 46.Bh7 Bd8 47.g6 Bf6 48.Bg8 a4 49.a3 Be7 (49...Bd4+–) 50.Bd5 Bf8 (50...Bf6 51.b6+–) 51.b6 (51.b6 Kd7 52.Kb5+–) 1–0. Strebel,Hans – Kropp,Volker, RH–ch Wallertheim, 1994.

7.a4 Bb7 8.Be2 Nbd7 9.0-0 Qc7 10.d3 (10.cd5 Nd5 11.d4 Bd6=) 10...Bd6 (10...dc4 11.dc4 Bd6 12.Nbd2+=) 11.Nbd2 Ng4 Now all is on h2 (11...0-0 12.cd5 Bd5 13.Qc2=) 12.h3 h5? (12...Ngf6 13.cd5 ed5 14.Nh4=) 13.Re1 (13.cd5!? ed5 14.Bg7+/– (worse is 14.hg4 hg4 15.Re1 Bh2 16.Kf1 Be5+=)) 13...dc4 (13...Ngf6 14.cd5 Bd5 15.e4+=) 14.Nc4 (14.Bg7? Bh2 15.Kf1 Nf2 16.Kf2 Qg3 17.Kf1 Rg8–+) 14...Bh2 (14...Ngf6 15.Rc1+/–) 15.Kf1+/– Bg3 (15...Ngf6!?+/–) 16.hg4 (16.fg3 Qg3 17.hg4 hg4 18.e4 Rh1 19.Ng1=) 16...hg4= 17.Kg1 (17.fg3 Qg3 18.e4 Rh1 19.Ng1 Qh2 20.Nd6 Ke7=) 17...Bh2 18.Kf1 Be5 (better is 18...Bg3 19.fg3 Qg3=) 19.Nce5+– (19.Be5?! gf3 20.Bf3 Rh1 21.Ke2 Bf3 22.gf3 Re1 23.Qe1 Ne5=) 19...Ne5 20.Ng1 Bg2 21.Kg2 Rh2 22.Kf1 (22.Kh2 Nf3 A double attack) 22...g3 23.fg3 Nc4 24.Bf3 (24.dc4 Qg3) 24...Qg3 25.Qe2 Nd2 (25...Re2?! 26.Re2 Nb2 27.Ba8 Nd3 28.Ra3=) 26.Qd2 Rd2 27.Bc6 Ke7–+ 28.Re2 Re2 29.Ne2 Qh3 30.Ke1 Rd8 31.Kd2 c4 32.Ba3 Kf6 33.Bb2 e5 34.d4 Qf5 35.Rg1 Qd3 36.Ke1 Qb1 37.Bc1 ed4 38.ed4 Rd4 39.Nd4? Qc1 40.Kf2 Qf4 41.Nf3 c3 42.Ke2 c2 43.Nd2 Qh2 44.Rg2 Qg2!! 45.Bg2 c1Q (45...c1Q 46.Bd5 g5–+) 0–1. Scholz,Guenther – Habermann,Arno, corr Germany, 1985.

7.Nc3 Nbd7=.

7.Be2 Bb7 8.0-0 Bd6 9.d4=.

7.Be2 Bb7 8.0-0 Be7 9.cd5 ed5 (worse 9...Nd5 10.Bg7 Rg8 11.Bb2+–) 10.d3 (10.Ne5 Bd6=) 10...0-0 11.Nbd2 (11.Qc2 Re8=) 11...Nbd7 (11...a4 12.Qc2=) 12.Nh4 Re8 (12...a4 13.Nf5=) 13.Nf5 Bf8 (13...a4 14.a3=) 14.Rc1 g6 15.Ng3 Qe7 (15...Bg7 16.d4=) 16.a4 (16.d4 c4=) 16...Bg7 (16...Rac8 17.d4=) 17.Rc2 (17.d4 Rac8=) 17...Nf8 (17...Rac8 18.Nf3=) 18.Qa1 (18.d4 c4=) 18...h5 (18...Ne6 19.d4=) 19.Re1 (19.Nf3 Rac8+=) 19...Rad8 (19...h4 20.Ngf1=) 20.Bf1 (20.Nf3 d4 21.ed4 Bf3 22.gf3 h4=+) 20...Ne6 (20...d4 21.Nc4 h4 22.Ne4 Ne4 23.de4 Qe4 24.Rcc1=) 21.Rcc1 (21.Nf3 d4=+) 21...Ng4 (21...h4 22.Ne2=) 22.Bg7+= Ng7 23.h3 (23.d4 h4 24.Nh1 c4=) 23...Ne5 (23...h4 24.Nh1 (worse 24.hg4 hg3 25.fg3 Rd6–/+) 24...Nf6 25.d4=) 24.d4+= Nd7 25.dc5 (25.Nf3 Qf6+=) 25...Nc5= 26.Qa3 (26.Red1 Qh4=) 26...Qh4 27.Ra1 Nge6 (27...d4 28.Nc4 de3 29.Re3 Re3 30.Qe3=) 28.Nf3= Qf6 29.Ne2 Ne4 30.Ra2 (30.Ned4 g5 31.Ne6 fe6=) 30...Rc8 (30...g5 31.Ned4 g4 32.Ne6 fe6 33.hg4 hg4 34.Nh2–/+) 31.Ned4= Rc3 (31...g5 32.Qb2=) 32.Qb2 Rec8 (32...g5 33.Ne2 Rc4 34.Qf6 Nf6 35.Ng3=) 33.Ne2 Rc2 (33...R3c7 34.Qf6 Nf6 35.Ned4=) 34.Qb3 (34.Qc2 Rc2 35.Rc2 g5=) 34...Ra2 (34...R2c4 35.Rea1=) 35.Qa2 Rc4 (35...g5 36.Qa1=) 36.Nf4 (36.Ned4 Rb4=) 36...Nf4=+ 37.ef4 Rb4 38.g3 (38.Ne5 Nc5 (worse 38...Qf4 39.Nd3 Qd6 40.Nb4 Qb4 41.Qa1+–) 39.g3 Ra4–/+) 38...Qc3 (38...Nc5 39.Qe2 Re4 40.Qd2–/+) 39.Re3 Qc5 (39...Qc1 40.Re1 Qc5 41.Kh2–/+) 40.Ne5=+ Qd4 (40...Nc3 41.Qa3 d4 42.Nd7–/+) 41.Qc2 Qc5 (41...Ra4?? 42.Qc7 Nd6 43.Qd6+–) 42.Qa2 Rd4 (42...Nc3 43.Qa3 d4 44.Nd7–/+) 43.f5 (43.Nf3 Rd1 44.Qe2 Ra1–/+) 43...Rd2 44.Qa3 d4 (44...gf5!? 45.Qc5 Nc5–/+) 45.Qc5= bc5 46.Re2 gf5 (46...Rd1 47.Nc4 Kf8 48.fg6 fg6–/+) 47.Nc4?? (better 47.Rd2 Nd2 48.Be2=) 47...Rd1–+ 48.Na5 (48.Nb2 Ra1 49.Nd3–+) 48...Bd5 49.b6 (49.Nc6 Bc4 50.Kg2 d3–+ (50...Be2?! 51.Be2 Rd2 52.Kf1–+)) 49...Rb1 (better 49...d3 50.Re3 Nd2–+) 50.b7 Bb7 51.Nb7 Rb7 (51...d3!? 52.Re3 d2 53.Rd3–+) 52.Rc2 (52.Ra2 f4 53.gf4 Nc3–/+) 52...Rb1 (52...Ra7 53.Rc4–/+) 53.Kg2 Ra1 54.Bb5 Nc3 55.Bd7 (55.Bc6 Kf8–+) 55...f4 (55...Kf8 56.Bb5–+) 56.gf4 Kf8 (better 56...Kg7–+) 57.Kg3?? (57.Rb2 c4 58.Rb8 Ke7–+) 57...Ke7 (better 57...Ne4 58.Kh4 d3–+) 58.Bc6 (58.Bb5 Nb5 (58...Ra4? 59.Rc3 dc3 60.Ba4+–) 59.ab5 Kd6–+) 58...Kd6 (better 58...c4–+) 59.Be8? (59.Bb5–+) 59...Ne4 60.Kf3 (60.Kh4 d3 61.Rb2 d2 62.Rd2 Nd2 63.Kh5 Ke7–+) 60...d3 61.Rb2 d2 (61...d2 62.Rd2 Nd2 63.Ke2 Ke7–+) 0–1. Nikitin,Aleksander (2010) – Plicner,Adam (2065), XVIII Int Ches Festival Poland, 2007.

7.Be2 Bb7 8.0-0 h5 9.d4 (9.Ng5 Nbd7+=) 9...h4 (9...Nbd7+=) 10.Nbd2 (10.cd5 Nd5 11.h3 Nd7+=) 10...Rh6 (10...h3!? 11.gh3 Rh3=) 11.Ne5 (11.cd5 Nd5 12.h3 Nd7+–) 11...Nbd7 12.Nc6 (better 12.h3+–) 12...Bc6? (better 12...Qc7+=) 13.bc6+– Nb8 14.cd5 ed5 15.Bb5 Ke7?? (better 15...Qc7 16.dc5 Bc5+–) 16.Re1 Qc7 (16...Ne4 17.Ne4 de4 18.Qg4 Nc6 19.Rad1+–) 17.e4 Kd6 (17...Kd8 18.ed5 Qf4+–) 18.e5 Ke6 19.ef6 Kf6 20.Qf3 Kg5 21.Qd5 f5 22.Nf3 Kg4 (22...Kg6 23.Qe6 Kh7 24.Qf5 Kg8 25.Bc4 Kh8 26.Qf8 Kh7 27.Bg8 Kg6 28.Re6 Kh5 29.Qf5 g5 30.Qg5) 23.h3 Kf4 (23...Kh5 24.Qf5 g5 25.Qg5) 24.Bc1 1–0. DEFFM – GuestCJBM, freechess.org, 2019.

7.Be2 Bb7 8.a4 Nbd7 9.0-0 Qc7 10.h3 (10.cd5 Nd5 11.d4 Bd6=) 10...h6 (10...Bd6 11.cd5 ed5 12.Nc3=) 11.d4 (11.cd5!? Nd5 12.Bc4=) 11...dc4+= 12.Na3 (12.Nfd2 cd4 13.Bd4 e5=) 12...cd4 13.Nc4 (13.Qd4 Ba3 14.Ra3 Bd5=) 13...de3 14.Ne3 (14.fe3 Rd8+=) 14...Rc8 15.Rc1 Qb8 (15...Bc5 16.Nd4–/+) 16.Nc4 (16.Rc8 Qc8 17.Ne5 Bc5+=) 16...Bc5–/+ 17.Nfe5 0-0 18.Bf3 Ne5 (18...Bf3 19.Qf3 Ne5 20.Be5+=) 19.Be5= Qa8 (19...Bf3 20.Qf3 Qa8 21.Qa8 Ra8 22.Bf6 gf6 23.Rfd1+=) 20.Bb7 Qb7 21.Bf6 gf6 22.Nd6 (22.Qh5 Kh7 23.Na5 Qa8+=) 22...Bd6 23.Qd6 Qb8 (23...Qe4 24.Ra1 Rb8 25.Rfe1=) 24.Qb8 (24.Qd4 f5=) 24...Rb8+= 25.Rfd1 Rfd8 26.Rd8 Rd8+= 27.Rc6 Rd4 28.Rb6 Ra4 29.Ra6 f5 30.b6 Kg7 31.b7 Rb4–/+ 32.Ra5 Rb7 33.f4 f6 34.Kf2+= h5 35.h4 Kf7 36.g3 Rd7 37.Rb5 Rd5 38.Rb7= Kg6 39.Rb6 e5 40.fe5 Re5 41.Kf3 Re4–/+ 42.Rb8 Rg4 43.Rg8 Kh7 44.Rg4 fg4–+ 45.Kf4 Kg7 46.Ke4 Kf8 47.Kf4 Ke7 48.Kf5 Kf7 49.Ke4 Ke6 50.Kf4 f5 51.Kg5 Ke5 52.Kh5 Kf6 (52...Kf6 53.Kh6 f4–+) 0–1. Scholz,Guenther – Stock,M, corr ICCF EU/M/GT/059 (year?).

7.Be2 Bb7 8.d4 cd4 9.ed4 (9.Bd4!? dc4 10.0-0=) 9...Bb4 (9...dc4 10.0-0+=) 10.Nbd2 dc4 11.Bc4 Nbd7 (11...Ne4 12.a3 Nd2 13.Nd2 Bd2 14.Qd2 Bg2 15.Rg1+=) 12.0-0 0-0 (12...Rc8 13.Rc1+=) 13.a3 Bd2 (13...Bd6 14.Bd3+=) 14.Nd2= Nd5 15.Rc1 Rc8 16.Qb3 (16.Re1 N7f6=) 16...N7f6 (16...Nf4 17.Nf3+=) 17.Qg3= Qd7 (17...Nh5 18.Qf3 Nhf4 19.Ne4=) 18.Bd3 (18.Nf3 Nh5 19.Qg4 Nhf4=) 18...Rc7 (18...Nh5!? 19.Qf3 Nhf4–/+) 19.Rc7 Qc7 (19...Nc7 20.Nc4 Ncd5 21.a4=) 20.Qc7 Nc7 21.Nc4 (21.Rc1 Rc8=) 21...Nfd5 22.Nd6 (22.Rc1 Nb5 23.Nb6 Nb6 24.Bb5 Bd5=) 22...Ba8 (22...Nf4 23.Rc1 (worse is 23.Nb7 Nd3 24.Ba1 Nb5–+) 23...Ne8 24.Nb7 Nd3 25.Rc2=) 23.Rc1 (23.g3 Rd8 24.Ne4 Ne7=) 23...Rd8 24.Ne4 (24.Be4 Kf8+=) 24...Nf4+= Black is in command 25.Bf1 (25.Rc7? Nd3 26.Nc3 Nb2–+) 25...Nb5 26.Bb5 (26.f3!? Be4 27.fe4+=) 26...Be4–/+ 27.f3 (27.g3!? Nd5 28.h3–/+) 27...Bd3–+ 28.Bd3 Nd3 29.Rc2 Nb2 (29...b5!? 30.Rd2 Nf4 31.g3–+) 30.Rb2–/+ Rd4 31.Rb6 g6 (31...Kf8 32.Rb3–/+) ½–½. Esteban Mendez,Jesus Maria – Rabadan,A, Gros op, 1996.

7.Be2 Bb7 8.cd5 ed5 9.d4 c4 =.

7.Be2 Bd6 8.0-0 =.

7.Nc3 0-0 8.d4 cd4 (8...dc4 9.Bc4 Nbd7 10.Rc1=) 9.Qd4 dc4 (9...a4 10.a3+=) 10.Rd1+= Be7 11.Qc4 (11.Qd8 Rd8 12.Rd8 Bd8 13.Bc4 Bc7+/–) 11...Nbd7 12.a3 (12.Be2 b6+=) 12...b6 13.Be2 (13.Ne4 Nd5+=) 13...Bb7= 14.0-0 (14.Qf4 Rc8=) 14...Rc8 15.Qa2 Qc7 16.Nd4 (16.Rd4 Bf3 17.Bf3 Bd6=) 16...Ne5 (16...Nc5 17.Rd2=) 17.h3= g5 (17...Nd5 18.Rc1 Qd6 19.Rfd1=) 18.Rc1+= Qb8 19.Ne6 (19.Rfd1 g4+=) 19...fe6= 20.Qe6 Rf7 21.Nd5! (worse is 21.Qb6 Bc5 22.Qe6 Re8=) 21...Nd5 (21...Bd5 Deflection from c8 22.Rc8 Theme: Double Attack) 22.Be5 (22.Be5 Qa8 23.Bh5+–) 1–0. Beutler,Manfred – Tamas,G, corr, 1964.

7.Nc3 Nbd7 8.d4 =.

7.d4 0-0 =.

7.Be2 Nbd7 8.Nc3 (8.0-0 0-0=) 8...0-0 (8...dc4 9.Bc4 Nb6 10.Be2=) 9.0-0 (9.d4 dc4 10.Bc4 Nb6=) 9...b6 (9...dc4 10.Bc4 Nb6 11.Bb3=) 10.d4 Bb7 11.Rc1 (11.cd5 Nd5 12.Qd2 Nc3 13.Qc3 Qf6=) 11...Rc8 (11...dc4 12.Na4=) 12.Na4 (12.cd5 Nd5 13.Nd5 Bd5=) 12...cd4 13.Nd4 Nc5 (13...Qe7 14.Bf3=) 14.Nc5 bc5 15.Nf3 (15.Nb3 Ne4=) 15...Qc7 (15...Ne4 16.Bd3=) 16.h3 (16.Bf6 gf6 17.Rb1 dc4=) 16...Rcd8 (16...e5 17.cd5 Nd5 18.Qa4=) 17.Qc2 (17.Bf6 gf6 18.Qc2 Rd7+=) 17...Rfe8 (17...Ne4 18.cd5 ed5 19.a4=) 18.Rfd1 (18.Bf6 gf6 19.Rfd1 f5+=) 18...Ne4= 19.a4 f6 (19...f5 20.Rb1+=) 20.Nd2 (20.cd5 ed5 21.Nd2 f5+=) 20...Bh2 (20...Nd2 21.Rd2 d4 22.Bd3=) 21.Kf1+= White gets the initiative 21...Nf2 (better is 21...Nd2!? 22.Qd2 d4=) 22.Kf2+/– d4 23.Bf3 Qg3 24.Kf1 de3 25.Ne4 Qf4 (25...Be4 26.Be4 Qf4 27.Bf3 Rd2 28.Rd2 ed2+–) 26.Ke2+– (26.Nc5 Bf3 27.Nd3 Rd3 28.Rd2 Bg4 29.Rf2 e2 30.Ke1 Qc1 31.Bc1 Rd1 32.Qd1 ed1Q) 26...Bg1 (better is 26...e5 27.Rd8 Rd8+–) 27.Bc3?? (better is 27.g3 Qc7 28.Rd8 Rd8 29.Rg1+–) 27...e5?? (better is 27...f5 28.g3 Qf3 29.Kf3 Be4 30.Qe4 fe4 31.Ke4 Bf2+/–) 28.Rg1+– Rd4 (28...f5 29.g3 (29.Nc5 e4 30.Ke1 Qh2–+) 29...Qf3 30.Kf3 Be4 31.Qe4 fe4 32.Ke3+–) 29.Bd4 (29.g3!? Qh6+–) 29...ed4 30.Nc5 (30.g3!? Qc7 31.g4 Kh8+–) 30...Bf3 31.gf3 Re5 (31...d3 32.Kd3 Qd6 33.Kc3 Qc5+–) 32.Nd3 (better is 32.Ne4+–) 32...Qh2= 33.Kd1?? (better is 33.Ke1 Qg1 34.Ke2 Qg2 35.Ke1 Qg1 36.Ke2 Qg2 37.Ke1 Qg1=) 33…Qg1 (33...e2 34.Ke1 Qg1 35.Kd2 Qe3 36.Ke1 Rg5 37.Qe2 Rg1#) ½–½. Kreuzer,Uwe – Schillinger, 1981.

6.a4 b6 7.c4 Bb7 8.d4 Nbd7 9.Be2 Bd6 10.0-0 0-0 11.Nbd2 Qc7 12.h3 Ne4 13.Rc1 ab5 14.ab5 Ra2 15.Qb3 Ra5 = 16.Rfd1 Rfa8 17.Nb1 dc4 18.Bc4 Ndf6 19.Be2 Nd5 20.Nbd2 Nb4 21.dc5 bc5 22.Ne4 Be4 23.Rd4 Na2 24.Re4 Nc1 25.Bc1 Ra1 26.Rc4 Qa5 27.Rc2 Rd8 28.g3 Qc7 29.Kg2 Qb7 30.Bb2 Raa8 31.Kh2 Qd5 32.Qc3 f6 33.Rd2 Qf5 34.Qc4 Bg3 35.Kg3 Rd2 36.Nd2 h5 37.Bd3 h4 38.Kg2 Qd5 39.Qd5 ed5 40.Bf5 Kf7 41.Bd7 d4 42.ed4 cd4 43.b6 1–0. Engelhardt – Moebius, 1973.

6.a4 c4 7.Nc3 Bb4 8.Be2 0-0 9.0-0 Bd7 10.d3 (10.Qb1 Qa5=) 10...Bc3 (10...Qa5 11.Qe1 A) 11...ab5?? 12.ab5 Qa1 13.Ba1+– (13.Qa1?! Ra1 14.Ra1 Bc3 15.Bc3 Bb5=); B) 11...Rc8–/+) 11.Bc3= ab5 12.ab5 Ra1 13.Qa1 Bb5 14.dc4 dc4 (14...Ba6 15.Nd2=) 15.Qb2 (15.Rd1 Nbd7+=) 15...Ba6= 16.Ne5 (16.Rd1 Qc8=) 16...Qc7 ½–½. Krivoshapko,Alexander – Mikhailovsky,Viktor, 2012.

6.a4 Be7 7.Na3 c4 8.Be2 0-0 9.0-0 Ba3 (9...Ne4!?=+) 10.Ba3+= Re8 11.d3 Bd7 (better 11...cd3!? 12.cd3 e5+=) 12.dc4+– ab5 (12...Qc7 13.cd5 Nd5 14.Bd3+–) 13.ab5+– dc4 (13...Qc8 14.Bb2 Ra1 15.Qa1 (15.Ba1?! dc4 16.Bf6 gf6+–) 15...dc4 16.Bf6 gf6 17.Qf6+–) 14.Bc4 Ra4 15.Qd3 Qa5 (15...Qc8 16.Nd2+–) 16.Bb2 Ra1 (16...Rc8 17.Bc3 Qa7 18.Ne5 Ra1 19.Ra1+–) 17.Ra1 Qb4 18.Bc3 Bb5?? (18...Qe7+–) 19.Bb4 Bc4 20.Qc4 h6 21.Ne5 (21.Qc7 Na6 22.Qb7 Nb4+–) 21...Nbd7 22.Nd7 Nd7 23.Ra7 Nb6 24.Qc7 Nd5 25.Qb7 (25.Qb7 Rf8 26.Bf8 h5 27.Qf7 Kh7 28.Qg7) 1–0. michaelbuss (2840) – trauni, ChessWorld.net, 2009.

6.ba6 ba6 7.Be2 Nc6 8.Ne5 (8.Ne5 Ne5 9.Be5=+; 8.c4 Rb8 9.cd5 ed5=+ (< 9...Qd5 10.Bf6 gf6 11.Nc3+=)). Woelfelschneider,Peter – Grund,Karl, corr, 1990.

6.c4 Bd7 7.a4 ab5 8.cb5 c4 9.Nc3 b6 10.Be2 Be7 11.0-0 0-0 12.h3 (12.d3 cd3 13.Qd3 Bc5+=) 12...Qc7 13.d3 Bd6 (better 13...cd3!? 14.Qd3 Rc8+=) 14.dc4+/- dc4 15.Nd4 (15.Nd2 Rd8+/-) 15...Nd5 (15...Rd8 16.Qc2=) 16.Bf3 (better 16.Nd5 ed5 17.Bf3+-) 16...Nb4?? (better 16...Nc3 17.Bc3 Ra7+=) 17.Ne6 (better 17.Ba8 Nd3 18.Ba3+-) 17...fe6 18.Ba8 Nd3 19.Qc2 Bh2 (19...Na6 20.Be4 Nab4 21.Qe2+-) 20.Kh1 Be5 21.Rad1 (21.Be4 Nb2 22.Qb2 g6+-) 21...Nb4 (21...Nb2 22.Qb2 Qa7+-) 22.Qe4 Be8 23.Nd5 Nd5 24.Bd5 (better 24.Be5 Qa7 25.Bd5 ed5 26.Rd5+-) 24...Bb2 25.Be6 (25.Qc4 Qe7 26.Be6 Kh8+/-) 25...Kh8 (better 25...Bf7!?+=) 26.Qc4+- Qe5?? (better 26...Qe7+-) 27.Rd8 h6 (27...Ba3 28.Qc8 Bd6 29.f4+-) 28.Qd5 (28.Qc8!? Qh5 29.Qb8 Ba3+-) 28...g5 (28...Qd5 29.Bd5 Nd7 30.Bc6+-) 29.Qe5 (better 29.Qc4 g4 30.Qb4 Qf6 31.Bg4 Be5+-) 29...Be5 30.Kg1 (better 30.Rc1!? Kg7 31.Rcc8 Rf2+-) 30...Kg7 31.Rc1 (better 31.Rd5 Kf6 32.f4 gf4 33.ef4+-) 31...Kf6?? (better 31...Bg6 32.Rf8 Kf8+-) 32.Bg4 h5 (32...Ke7 33.Rcc8 Rh8 34.Rb8+-) 33.Bh5! Ke7 (33...Bh5 34.Rf8 Pinning (34.Rf8 Deflection)) 34.Re8 (better 34.Rcc8!? Bh5 35.Rf8 Nd7+-) 34...Re8 35.Be8 Ke8 36.Rc8 Kd7 (36...Ke7 37.g3+-) 37.Rg8 Bf6 (37...Ke7 38.Rg5 Nd7+-) 38.Rb8 1-0. Abdullaevich (1890) - Gnober (1895), lichess.org, 2020.

6.Be2 ab5 7.Bb5 Bd7 8.Be2 b5 9.d4 (9.0-0 Be7=) 9...c4=+ 10.0-0 Nc6 11.c3 b4 12.a4 ba3 (12...b3!?-/+) 13.Ba3= Ba3 14.Ra3 Ra3 15.Na3 Qa5 16.Nc2? (16.Nb1!?=+) 16...0-0 (16...Qc3 17.Nd2-+) 17.Qd2 (17.Qa1!? Ne4 18.Qa5 Na5 19.Ra1 Nc3 20.Ra5 Ne2 21.Kf1-/+) 17...Ne4-+ 18.Qc1 Nc3 19.Bd1 (19.Qd2 Ne4 20.Qc1 Rb8-+) 19...Nd1 (19...Rb8 20.Nd2-+) 20.Rd1 Ra8 21.Qd2 (21.Nd2 e5-+) 21...Qd2 22.Rd2 h6 23.Rd1 (23.Kf1 Ra2 24.Nce1 Rd2 25.Nd2 f6-+) 23...f5 (23...Ra2 24.Nfe1-+) 24.Rb1 Kf8 25.Ne5 Ne5 26.de5 Ke7 27.Rb7 (27.Kf1-+) 27...Ra2 28.Ne1 Ra1 29.Kf1 Kd8 30.Ke2 Kc8 (30...Ra2 31.Kf1-+) 31.Rb2 c3 (better 31...Ba4-+) 32.Rc2?? (better 32.Rb3=+) 32...Bb5-+ 33.Kf3 Re1 34.Rc3 Kd7 35.Rc2 Ra1 36.h4 Bc6 37.h5 (37.Ke2 g5 38.hg5 hg5-+) 37...Ra3 (37...d4!? 38.Kf4 d3 39.Rd2 Ra4 40.Kg3 Rg4 41.Kh2 Rg2 42.Kh3-+) 38.Ke2 Bb5 39.Kd2 Bc4 40.f3 Ra2 (better 40...Rd3 41.Ke2-+) 41.g4 (41.Ra2 Ba2 42.Ke2-+) 41...Rc2 42.Kc2 Be2 43.f4 Bg4 44.Kd3 Bh5 45.Kd4 (45.Kd2 g6-+) 45...Bg6 (better 45...Bf3 46.Kc3 h5 47.Kd2-+) 46.Kc5 (46.Kd3-+) 46...Bf7 (better 46...h5 47.e4 h4 48.ed5 h3-+) 47.Kd4 g5 48.Kd3 g4 (better 48...gf4 49.ef4 h5 50.Kd4-+) 49.Ke2 h5 50.Kf2 h4 51.Kg1 Bh5 52.Kg2 g3 53.Kh3 Kc6 54.Kg2 Kc5 55.Kf1 Kc4 (55...h3 56.Ke1 h2 57.Kd2 h1Q 58.Kc2 Qh2 59.Kb1 Qd2 60.Ka1 g2 61.Kb1 g1Q) 56.Ke1 (56.e4 de4 57.Kg2 Bg4 58.Kf1 e3 59.Ke1 Kd3 60.Kf1 Bh3 61.Ke1 g2 62.Kd1 g1Q) 56...Kd3 (56...Kc3 57.Kf1 h3 58.e4 de4 59.Kg1 Bf3 60.Kf1 h2 61.Ke1 h1Q) 57.Kf1 Ke4 (57...h3 58.e4 Bf3 59.ed5 h2 60.de6 h1Q) 58.Kg2 (58.Ke1 Ke3 59.Kf1 h3 60.Kg1 h2 61.Kg2 Kf4 62.Kh1 Bf3) 58...Ke3 (58...Bg4 59.Kf1 h3 60.Ke1 Ke3 61.Kf1 h2 62.Kg2 Kf4 63.Kh1 Bf3) 59.Kh3 (59.Kg1 h3 60.Kf1 h2 61.Kg2 Kf4 62.Kh1 Bf3) 59...Kf4 60.Kg2 Ke5 (60...Be2 61.Kh3 Kg5 62.Kg2 f4 63.Kg1 h3 64.Kh1 Bf3 65.Kg1 h2 66.Kf1 h1Q) 61.Kf1 d4 (61...h3 62.Ke1 h2 63.Kd2 h1Q 64.Kc2 Bd1 65.Kb2 Qh2 66.Ka3 Kd4 67.Kb4 Qb2 68.Ka5 Kc5 69.Ka6 Qb6) 62.Kg2 (62.Ke1 g2 63.Kd2 g1Q 64.Kc2 Be2 65.Kb2 d3 66.Kc3 Qd4 67.Kb3 d2 68.Ka3 d1Q 69.Ka2 Q4a1) 62...d3 63.Kf1 (63.Kh3 d2 64.Kh4 d1Q 65.Kh3 f4 66.Kg2 Bf3 67.Kh3 Qh1) 63...f4 (63...d2 64.Kg2 d1Q 65.Kh3 Qh1) 64.Ke1 d2! 65.Kd2 Bf3 (65...g2 66.Kc2 g1Q 67.Kb2 Qd4 68.Kb3 Bd1 69.Ka3 Qb6 70.Ka2 Bc2 71.Ka3 Qb3) 66.Ke1 (66.Kc2 g2 67.Kb3 g1Q 68.Kc2 Bd1 69.Kc1 Kd4 70.Kd2 Qf2 71.Kd1 Kc3 72.Kc1 Qe1) ½-½. anotherheaven (1720) - zMotivat0r (1870), lichess.org, 2015.

7.ab5 Ra1 8.Ba1 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c5 8.Nf3).

7.ab5 Ra1 8.Ba1 Bd6 9.c4 Nbd7 10.Be2 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c5 8.Nf3 Bd6 9.c4 0-0 10.Be2 Nbd7)

7.ab5 Bd7 8.Ra8 Bd6 9.Be2 Qc7 10.0-0 0-0 11.Bf6 gf6 12.c4 dc4 13.Bc4 e5 14.e4 Be6 15.Be6 fe6 16.Nc3 Nd7 17.Rf8 Bf8 18.Nh4 Qd6 19.Qg4 Kf7 20.Rd1 Bg7 21.h3 Qd4 22.Ne2 (22.Ra1 Qd6+-) 22...Qa4 23.Qh5 Kg8 24.Ng3 Nf8 25.Rf1 (better 25.Qg4!? Kf7+-) 25...Qb5 26.Ngf5! ef5 (26...ef5 27.Nf5 Combination) 27.Nf5 Qd7 (27...Ng6 28.Ra1 Bf8 29.Qd1+-) 28.Nh6 (better 28.Qg4!? Qc7+-) 28...Bh6 29.Qh6 Ng6 30.h4 (30.Ra1 Qe8+-) 30...b5? (better 30...Qd4+-) 31.h5 Nf4 32.Qf6 (better 32.Ra1!? Qb7 33.Qf6 Qe4 34.Qg5 Kf8+-) 32...Qg4 33.Qd8 (33.g3 Ne2 34.Kh2 Qh5 35.Kg2 Nd4+-) 33...Kg7 (33...Kf7 34.g3 Ne2 35.Kh2 Qh5 36.Qh4 Qh4 37.gh4+=) 34.g3 (34.Qe7 Kh6 35.Qf6 Kh5 36.Qe5 Kg6 37.Qe8 Kg7 38.g3 Nh3 39.Kh2+-) 34...Nh5? (34...Ne2 35.Kh2 Qh5 36.Qh4 Qh4 37.gh4 b4+=) 35.Qe7 Kg6 36.Qe8 (36.Qe5 Nf6 37.Qc5 Qe4 38.Qb5 Qd4+-) 36...Kh6 (36...Kf6 37.Ra1 (37.Qb5?! Qe4 38.Qc5 Kg6+-) 37...Ng3 38.Qd8 (38.fg3?! Qg3 39.Kh1 Qh3 40.Kg1 Qg3 41.Kf1 Qf3 42.Kg1 Qg3=) 38...Kg6 39.Qg8 (39.fg3?! Qg3 40.Kf1 Qf3 41.Kg1 Qg3 42.Kh1 Qh3 43.Kg1 Qg3=) 39...Kh5 40.Qh7 Kg5 41.Qg7 Kf4 42.Qg4 Kg4 43.fg3 Kg3 44.d3+-) 37.Qc6 (better 37.Qe5 Qg5 38.Qd6 Qg6 39.Qf8 Qg7 40.Qc5 Nf6+-) 37...Kg5 38.Kg2?? (38.Qd5 Ng3 39.Qg8 Kh4 40.fg3 Qg3 41.Qg3 Kg3+-) 38...Nf6?? (better 38...Nf4 39.Kg1 Nh5=) 39.Qe6 (better 39.f4 Kg6 40.Qb5+-) 39...Qe6-+ 40.Rh1 (40.f3 Qd7 41.Rf2 b4-+) 40...Ne4 41.Rh4 Nf6 42.Ra4 Qd5 43.f3 ba4 44.Kh3 (44.d4 Ng4 45.Kf1 Qf3 46.Ke1 Qf2 47.Kd1 Ne3 48.Kc1 Qc2) 44...Qd2 (44...Qf3 45.Kh2 Ng4 46.Kg1 Qg3 47.Kf1 Qf2) 45.f4 ef4 46.gf4 Qf4 (46...Kf4 47.Kh4 Qh2) 47.Kg2 c4 (47...Ng4 48.Kg1 Qg3 49.Kf1 Qf2) 48.Kg1 (48.Kh1 Ng4 49.Kg1 Qg3 50.Kf1 Qf2) 48...c3 (48...Ng4 49.Kg2 Qf2 50.Kh3 Qf3) 49.Kg2 (49.Kh1 Ng4 50.Kg1 Qg3 51.Kf1 Qf2) 49...c2 50.Kh3 c1Q 51.Kg2 Qce3 (51...Qce3 52.Kh1 Qfe4 53.Kh2 Ng4; 51...Qcf1) 0-1. BIRDI1212 (2020) - almasssss (2240), Hourly Bullet Arena, lichess.org, 2020.

7.Bb5 Nc6 8.0-0 Bd6 9.d4 0-0 10.c4 cd4 11.ed4 (11.cd5 Nd5 12.Bd4 Nd4 13.Qd4 Qe7=) 11...dc4=+ 12.Bc4 Na5 13.Bd3 b6 14.Nbd2 Bb7 15.Qe2 Rc8 16.Rfd1 Nd5 17.Qe4 g6 18.Qg4 Qf6 (18...h5!? 19.Qg5 Qg5 20.Ng5 Nf4=+) 19.Ne4= Qf4 20.Qh3 Bb8 21.Bc1 Qf5? (better 21...Qc7 22.Ba3 Rfd8+=) 22.g4+- Nf4 23.gf5?? (better 23.Qh4 Ne2 A) 24.Be2?! Qe4 25.Bh6 Bf4 (25...Qe2 26.Qf6 Qf2 27.Kf2 Rc2 28.Rd2 Rd2 29.Nd2 Bg3 30.Kg3 Rc8 31.Qg7) 26.Bf4 Qe2=; B) 24.Kf1 Qf3 25.Nf6 Qf6 26.Qf6 Nc1 27.Rdc1 Bh2 28.Rc8 Rc8 29.Rb1+-) 23...Nh3-/+ 24.Kg2 ef5 25.Nf6 Kg7 26.Kh3? (26.Nd7 Rc1! 27.Rdc1 Nf4 28.Kg1 Nd3-+ (28...Bf3?! 29.Nf8 Nd3 30.Rc3 Kf8 31.Rd3-/+)) 26...Kf6?? (better 26...Bf3 27.Bg5 h6-+) 27.Bg5-/+ Kg7 28.Rab1?? (28.Nh4 f4 29.Be7 Rfe8-/+) 28...Bc7 (28...Bf3 29.Rdc1 Rc1 30.Bc1-+) 29.Rdc1?? (better 29.Ng1=+) 29...Bf3-+ 30.Be7 (30.Ba6 Ra8 31.Bb7 Nb7 32.Rc7 h6-+) 30...Rfe8 31.Bb4 Nc6 32.Rc6 (32.Bc3 Bd5 33.Rb5-+) 32…Bc6 0-1. jlauz (2185) - almasssss (2255), Rated Bullet game, lichess.org, 2020.

7.Bb5 Bd7 8.0-0 Bb5 9.ab5 Ra1 10.Ba1 Qb6 (10...Bd6 11.d3=) 11.Bf6+= gf6 12.Nc3 Bd6 13.Qe2 Rg8 14.Ra1 Rg7 (14...f5 15.Ra8+=) 15.Ra8 Ke7 16.d4 (better 16.e4 d4 17.Na4+–) 16...Nd7? (16...Qc7 17.Na4 b6 18.dc5 bc5 19.b6+=) 17.e4 (17.Nh4 Rg5 18.f4 cd4 19.Na4+– (19.fg5?! dc3 20.gf6 Nf6=)) 17...cd4+= 18.Na4 Qc7 19.ed5 Bc5 (19...Be5+=) 20.Nh4 (20.Nc5!? Qc5 21.de6 fe6 22.Ra4+–) 20...Qf4 (20...Qe5 21.Qe5 fe5 22.de6 fe6 23.Nc5 Nc5 24.Nf3=) 21.Nf3 (21.Nc5 Nc5 22.Nf3 Qc1 23.Qf1 Qc2 24.de6 fe6 25.Nd4 Qd3 26.Qd3 Nd3=) 21...Bd6 (21...Qc1 22.Qf1 Qc2 23.Nc5 Qc5 24.de6 fe6 25.Qb1=+) 22.Kf1 (22.Ra7 Qf5 23.de6 fe6 24.Nd4 Qf4+–) 22...e5 (22...Qc1!? 23.Ne1 Rg5 (worse 23...Bh2 24.Qc4 Bd6 25.Qd4+=) 24.de6 fe6–/+) 23.Ra7 (23.g3 Qg4+=) 23...Qc1 24.Ne1 Qa3? (24...Bb4 25.Rb7 Kd8 26.c3 Bc3 27.Nc3 Qc3 28.Qf3=) 25.b6 (25.Nb6 Nb6 26.Ra3 Ba3+–) 25...Bb4?? (better 25...Qb4=) 26.Qb5+– Be1?? (better 26...Rg8+–) 27.Rb7 Qd6 (27...f5 28.Rd7 (28.Ke1?! Qc1 29.Ke2 Qc2 30.Ke1 Qc1 31.Ke2 Qc2 32.Ke1 Qc1 33.Ke2 Qc2=; 28.Qd7 Kf6 29.Qc6 Kg5 30.Ke1 Qb4 31.Kd1 Rg6+–) 28...Kf6 29.b7+– (29.Ke1?! Qc1 30.Ke2 Qc2 31.Ke1 Qc1 32.Ke2 Qc2 33.Ke1 Qc1 34.Ke2 Qc2=)) 28.Nc5 (28.Nc5 f5 29.Rd7 Qd7 30.Qd7 Kf6 31.Qd8 Kg6 32.b7+–) 1–0. tsodikovich (1780) – acoukeys (1670), gameknot.com, 2018.

7.Bb5 Bd7 8.Nc3 Nc6 9.Be2 Be7 10.0-0 0-0 11.Nb5 Ne4 12.c4 Nb4 13.d4 Bc6 14.cd5 Bd5 (worse is 14...Qd5 15.Nc7 Qf5 16.Na8 Ra8 17.Ne5+/–) 15.Nd2 cd4 16.Bd4 Nd2 17.Qd2 Nc6 18.Bc3 Bc5 19.g3 Qe7 20.Qb2 f6 21.Rfd1 Rfd8 22.Bf1 Rd7 (22...Qf7 23.Bg2=) 23.Qc2= Rad8 24.Rac1 f5 25.Bg2 Qf7 26.Bd5 Rd5 27.Rd5 Rd5 28.Bd4 Nd4 29.Nd4 Qd7 (29...Bd4 30.Qc8 Qf8 A) 31.ed4?! Qc8 (worse is 31...Rd4 32.Qe6 Kh8 33.Rc8+/–) 32.Rc8 Kf7=; B) 31.Qe6 Kh8 32.Qd5 (32.ed4?! Rd4 33.Rc8 Rd8 34.Rd8 Qd8+/–) 32...Be3 33.fe3+–) 30.Nb3 Be7 31.e4 fe4 32.Qe4 b6 33.Rc4 Bf6 34.Kg2 ½–½. Boehnke,Hartmut (2085) – Ballard,David (2035), corr WS/H/171 ICCF, 2009.

7.Bb5 Bd7 8.Nc3 (8.0-0 Bd6=) 8...Bd6=+ 9.d3 (9.0-0 0-0=) 9...0-0 10.Bd7 Nbd7 11.Nb5 Bb8 (11...Bc7 12.0-0=) 12.c4 (12.0-0 Qa5=) 12...e5 (12...dc4 13.dc4 e5 14.Nd2=+) 13.Qc2 (13.cd5 Nd5 14.0-0 Re8=) 13...e4 14.Nd2 (14.de4 de4 15.Nd2 Ne5=) 14...Ne5 (14...ed3 15.Qd3 Be5 16.Be5 Ne5 17.Qc2=+) 15.Be5= ed3?? (better 15...Be5 16.Ra3 Qa5 17.cd5 Nd5+=) 16.Bf6 (16.Qb2 Be5 17.Qe5 dc4+–) 16...dc2 (16...Qf6 17.Qd1+–) 17.Bd8 Rd8 (17...Ra4 18.Rc1 Rd8 19.Nc3+–) 18.cd5 (18.Ke2 Be5 19.Ra2 d4 20.ed4 Bd4 21.Nd4 Rd4 22.Rc2 Ra4+–) 18...Ra4 19.0-0?? (19.Ra4 A deflection 19...c1Q Theme: Double Attack) 19...Ra1–+ 20.Ra1 Rd5 21.Nf1?? (better 21.Kf1 Rd2 22.Ke1–+) 21...Rd1 22.Ra8 (22.Na3 Ra1 23.Nc2 Ra2–+) 22...Rf1! 23.Kf1 Decoy theme: f1. The mate threat is Rxb8 23...c1Q 24.Ke2 Qc2 25.Kf3 (25.Ke1 Qb1 26.Kd2 Qb2 27.Kd1–+) 25...Qd1 26.Ke4 Do you see the mate threat? 26...f5! 27.Kf5 Deflection from d5 27...Qd5 28.Kg4 Qg2 29.Kh4 Qf2 30.Kh3 (30.Kg4 Qg2 31.Kh4 Qh2 32.Kg5 Qg3 33.Kh5 g6 34.Kh6 Qe3) 30...Qe3 (30...Qh2 31.Kg4 Qg3 32.Kh5 g6 33.Kh6 Qe3) 31.Kg2–+ Qe2 32.Kh3 Qh2 33.Kg4 Qe2 (33...Qf4 34.Kh3 Qg3) 34.Kh3 (34.Kf5 g6 35.Kg5 Qe3 36.Kg4 Qg3) 34...Qf3 35.Kh4 Qf4 36.Kh5 (36.Kh3 Qg3) 36…g6 0–1. Bethemonth – Meylan, Nice FRA, 1981.

7.Bb5 Bd7 8.c4 dc4 9.Bc4 Nc6 10.Qb3 (10.0-0!?=) 10...Na5+= 11.Qc2 Nc4 12.Qc4 Bc6 13.Nc3 Nd5 14.Nb5 Nb6 (14...Nb4!? 15.0-0 Bf3 16.gf3 Rc8+=) 15.Qf4= Bb5 16.ab5 Ra1 17.Ba1 f6 18.0-0 Bd6 19.Qe4 Qd7 20.Qb1 0-0 21.d4 Rc8 22.dc5 (22.Rc1 c4=) 22...Rc5+= b5 becomes a target (worse is 22...Bc5 23.Rd1 Bd6 24.e4=) 23.Qa2 Rb5 24.Nd4 Rb4 (24...Rh5 25.h3 Nd5 26.Rd1+=) 25.Qe6 Qe6 26.Ne6 Kf7 (better is 26...Nc4!?+=) 27.Nd8+= Ke8 28.Nb7 Be7 29.Na5 Rb5 30.Nc6 Bd6 31.g3 Nd7 32.Rd1 Bc7 33.Rc1 Rb7 34.Kg2 Bb6 35.Rb1 Rc7 36.Nb4 Rc8 37.Nd5 Rc6 38.h4 Rd6 39.Nb6 Nb6 40.Bd4 Nd7 41.f4 Kf7 42.Rb7 h5 43.Kf3 f5 44.Ra7 g6 45.Ra8 Nf6 46.Ra7 Ke6?? (46...Nd7 47.Bc5 Rd5+/–) 47.Rg7+– g5? (47...Ne4 48.Rg6 Kd5 49.Rg8+–) 48.Rg6 (48.fg5!? Ne4+–) 48...g4 49.Ke2 Kf7 50.Rf6 Rf6 51.Bf6 Kf6 (51...Ke6+–) 52.Kd3 Ke6 53.Kc4 Kd6 54.Kd4 Ke6 55.Kc5 Kf6 (55...Ke7 56.Kd5 Kd7 57.Ke5+–) 56.Kd6 (56.Kd6 Kf7 57.Ke5+–) 1–0. Jambrich,Jaromir (1695) – Gonda,Jan (1665), Bratislava Doprastav op, 2005. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.b5 c5 5.e3 a6 6.a4 ab5)

7.c4 0-0 8.Be2 Re8 9.0-0 e5 10.d4 e4 (10...ed4 11.ed4 Be6 12.dc5 Bc5 13.cd5 Nd5 14.Nd4=) 11.Nfd2= Nbd7 (11...Qc7 12.h3 Nbd7 13.dc5 Bh2 14.Kh1=) 12.Qc2 (12.cd5 Qc7=) 12...Qe7 (12...cd4 13.Bd4 Qc7 14.h3=) 13.Rd1= b6 (13...cd4 14.Bd4 Be5 15.Be5 Qe5 16.Nc3+=) 14.Nf1 (14.cd5 Nd5 15.dc5 Nc5+=) 14...Bb7 (14...dc4 15.Bc4 Bb7 16.Nc3=) 15.Nc3 (15.ba6 Ba6 16.cd5 Be2 17.Qe2 Rec8=) 15...cd4 16.ed4 a5 17.Qb3 dc4 (17...Rac8 18.Ne3=) 18.Bc4+= Rac8 (18...Ng4 19.h3 Nh6 20.Bc1+=) 19.Ne3 g6 20.Ba3 Ba3 21.Ra3 Kg7 22.h3 (22.Ra2 Rc7+=) 22...Qd6 (22...Rc7 23.Ncd5 Bd5 24.Nd5 Nd5 25.Bd5=) 23.Qa2 (worse is 23.Bf7 Rc3 24.Qc3 Kf7+=) 23...Rf8 24.Be2 Rc7 25.Qb2 Rfc8 26.g4 (26.Rb3 h6=) 26...Kg8 (26...h6 27.Rb3+=) 27.Bf1 h5 28.Bg2 hg4 29.hg4 Qf4 30.Ne2 Qg5 31.Qa1 (31.Qd2!?–/+) 31...Ng4–+ 32.d5 (32.Qb2 Ne3 33.Re3 Rc2–/+) 32...Ne3 33.Re3 Bd5 34.Rg3 Qf6 35.Nd4 (better is 35.Qa3 Rc5 36.Qe3–/+) 35...Nc5 36.Qa3 (36.Nf5 Qa1 (36...Qf5?! 37.Bh3 Qh5 38.Bg4–+) 37.Ra1 Kf8–+) 36...Bb7 (better is 36...Nd3 37.Rgd3 ed3 38.Bd5 Qg5 39.Bg2–+) 37.Qe3? (37.Ne2–+) 37...Rd8 (worse is 37...Na4 38.Re1–+) 38.Kh2 (38.Rd2 Rcd7 39.Nb3 Rd3 40.Rd3 Rd3–+) 38...Rcd7 0–1. Abreu Suarez,Isauro (2020) – Hidalgo Santana,Fernando (2140), 27th Torneo de Navidad Fundacion CajaCa, 2016.

7.d3 ab5 8.ab5 Ra1 9.Ba1 Qa5 10.Nbd2 Qb5 11.Bf6 gf6 12.Be2 Nc6 13.0-0 Qa4 14.c4 Qb4 (14...Qd1 15.Rd1 Kd7 16.d4 cd4 17.ed4–/+) 15.Qa1 (15.Qc2 Qa3=) 15...Ke7 16.Rb1 Qa5 17.Qb2 Nb4 18.cd5 Nd5 19.Nc4 Qc3 20.Nd6 Kd6 21.Qb5 Qc2 (21...e5 22.d4 cd4 23.ed4=) 22.Bf1 (22.d4 cd4 23.Nd4 Qc5+=) 22...h5 (22...Nc3 23.Qb6 Kd7+=) 23.Rb2+/– Qc3 24.Rb3 (better is 24.Nd2!? Ke7 25.Nc4+/–) 24...Qc2 25.Rb2 ½–½. mr5reasons1 (1660) – gameover05 (1615), gameknot.com, 2013.

7.Be2 0-0 8.0-0 Bd7 9.c4 dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1 Nd5 13.Qb3 Nb6 14.Be2 Qe8 (14...Qc7 15.Qb2 f6 16.d4=) 15.Nc3+= c4 (15...f5!?+=) 16.Bc4+/– Nc4 17.Qc4 Qe7 18.Ne4 (18.Ne4 f6 19.d3+/–) 1–0. CountFromHolland – Olivsky, playchess.de, 2002.

7.Be2 0-0 8.Nc3 e5 9.d3 Be6 10.0-0 h6 11.Nd2 Nbd7 12.Bf3 Re8 13.e4 d4 14.Nd5 Bd5 15.ed5 Nb6 16.Ne4 ab5 17.ab5 Nfd5 18.c4 Ra1 19.Ba1 Nb4 20.Nd6 Qd6 21.Bb7 f5 22.g3 e4 23.de4 Qe7 (23...fe4!? 24.Re1 Qg6–/+) 24.Qh5 Rf8 25.Bd5 N4d5 26.ed5 Nc4 27.Rc1 Ne5 28.Qe2 f4 29.Kh1 Qd6 30.Re1? (better is 30.Qe4!?–/+) 30...Qd5–+ 31.Qe4 Qe4 32.Re4 Nd3 33.Bd4 cd4 34.Rd4 Nf2 35.Kg2 Ng4 36.Rf4 0–1. Rooijen van,Peter – Biro Jr,Istvan, IECG, 2009.

7.Nc3 d4 8.ed4+/– cd4 9.Nd4 e5 10.Nf3 Bb4 11.Ne5+– 0-0 12.Bc4 ab5 13.ab5 Ra1 14.Ba1 Qe7 15.d4 Ne4 16.Qd3 Bf5 17.0-0 Ng3?? 18.Qg3 (18.fg3?! Bd3 19.cd3 Bc5+=) 1–0. marre – oppo, internet, 2010.

7.c4 ab5 8.ab5 Ra1 9.Ba1 Qa5? (9...Bd6 10.Qb3+=) 10.Nc3 (10.Be5!? Qd8+/-) 10...dc4 (10...Bd6!?+=) 11.Bc4 Be7 12.0-0 0-0 13.d4 (13.Qc2!?+/-) 13...cd4+= 14.Qd4 Rd8 15.Rd1?? (better 15.Qf4+=) 15...Bb5 (15...Bc6 16.Qf4 Rd1 17.Nd1 Qa1 18.Qb8 Be8 19.Be2=+) 16.Nb5 (16.Qe5 Rd1 17.Nd1 Nbd7 18.Qb5 Qa1-/+) 16...Rd4-+ 17.Bd4 (17.Nfd4 Nc6-+) 17...Qa4 18.Be2 Qc2 (18...Nc6 19.Bf6 Bf6 20.Rd7-+) 19.Kf1 (19.Rd2!? Qb1 20.Rd1-+) 19...Nc6-+ 20.Ba1 h6 (20...Ne4 21.Ne1 Qb3 22.Nf3-+) 21.h3 (21.Nfd4 Qc5-+) 21...Na5 (better 21...Ne4!? 22.Nbd4 Qa2 23.Nb5-+) 22.Nfd4 Qa4 23.Rc1 (23.Nc3 Qa3-+) 23...Nc6! 24.Nc6 (24.Bc3!? Nd4 25.Bd4 Ne4-+) 24...bc6 25.Nd4 (25.Nc3 Qa5-+) 25...c5 26.Nf3 Qa3 27.Rd1 Nd5 (27...Ne4 28.g3-+) 28.h4 (28.Ne5 Bf6-+) 28...Nc3 (28...Qa4!? 29.Be5-+) 29.Bc3 Qc3 30.h5 c4 (30...Bf6 31.Nd2-+) 31.g3? (31.Nd2 Bc5-/+) 31...Bf6 (31...Qc2 32.Rd7 Bf6 33.Ne1-+) 32.Nd4?? (better 32.Nd2-/+) 32...Qb4-+ 33.Rc1 (33.Nc2 Qb7 34.Bc4 Qc6-+) 33...c3 34.Bd3 Bd4 35.ed4 (35.Rb1 c2! 36.Rb4 c1Q 37.Kg2 Qc6 38.Kg1 Be5-+) 35...Qd4 36.Ke2 f5 37.f4 (37.f3 Kf7-+) 37...e5 38.fe5 Qe5 39.Kf3 (39.Kd1 Qd4 40.Ke2 Qg4 41.Kf2 Kf7-+) 39...Qd5 (39...Kf7!? 40.Ra1-+) 40.Ke3 Qc5 41.Kf3 Qa3 (better 41...Kf7 42.Ke2-+) 42.Rc2 Qa5 (42...g6!? 43.hg6 Qc5 44.Rf2-+) 43.Kf4 Kf7 44.Bf5 Kf6 45.g4 Qe5 46.Kf3 Qd5 47.Ke3 Ke5 48.Ke2 Kd4 49.Rc1 (49.Kf2-+) 49…Qg2 (49...Qg2 50.Ke1 Qd2 51.Kf1 Qc1 52.Kg2 Qf4 53.Bd7 c2 54.Be6 c1Q 55.Bc4 Kc4 56.g5 Qcf1) 0-1. Lance5500 (2620) - arsenalfanrichi (1900), lichess.org, 2017.

7.c4 Qb6 8.Be2 (8.Bf6 gf6 9.a5 Qd8+=) 8...dc4= 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 Bb5?? (better 11...Be7=) 12.Qb3+- Qa5 (12...Be7 13.Bb5 Nc6 14.Nc3+-) 13.Qb5 (13.Bb5!? Nfd7 14.Bc3 Qc7+-) 13...Qb5 14.Bb5 Nc6 (14...Nbd7 15.d4+-) 15.0-0 Be7 16.d4 (16.Rc1!? 0-0 17.Bf6 gf6 18.Bc6 bc6+-) 16...0-0 17.Bc6 bc6 18.dc5 Bc5 (18...Nd7 19.Rc1+-) 19.Bf6 (19.Rc1 Nd7+-) 19...gf6 20.Nd4 (20.Rc1 Rd8+-) 20...Rc8 (20...Bd4!? 21.ed4 Rd8+-) 21.Nd2 Be7 22.Ne4 (22.Rc1 c5+-) 22...f5 23.Nd2 c5 24.Nb5 c4 (24...Ra8 25.Nc4+-) 25.Nc3 (better 25.Rc1+-) 25...Bf6 26.Rc1 Rd8 27.Nc4 (better 27.Ndb1 Ra8 28.Kf1+-) 27...Rc8?? (better 27...Bc3 28.g4 Bg7 29.gf5 ef5+=) 28.Ne2 Kg7 29.Kf1 Rc5 30.Ke1 Rb5 (30...h6 31.Nf4+-) 31.Kd2 (31.Nd6!? Rb8 32.Rc7 Rb1 33.Kd2 Rb2 34.Kd3 Be5 35.Rf7 Kg6+-) 31...Rb3 32.Nc3 Rb4 33.Ne2 Rb3 34.Rc2 Rb4 35.Nd6 Ra4 (35...Be5 36.Nc8 Bh2+-) 36.Nd4 (36.Ne8 Kg6 37.Nf4 Rf4 38.ef4 Be7+-) 36...e5?? (better 36...Bd4 37.Nf5 ef5 38.ed4 Rd4 39.Ke3 Re4 40.Kd3 h5+=) 37.N4f5+- (37.N6f5?! Kg6 38.Kd3 ed4 39.Nd4 h5+-) 37...Kg6 38.Nh4! Bh4 (38...Rh4 39.h3 Combination; 38...Bh4 39.Kd3 Combination) 39.g3 Bf6 (39...Be7 40.Nc8 Bb4 41.Kd3+/-) 40.Nc4 (40.Rc6 Ra2 41.Kd3 Be7 42.Nc4 Kg7+/-) 40...Ra6 (40...e4!?+/-) 41.e4 Rc6?? (41...Bg7 42.f4+-) 42.Ne3 (better 42.Ne5 Be5 43.Rc6 Kg7 44.Kd3+-) 42...Rd6 43.Ke2 Bg5 44.Rc5 (44.Nf5 Rb6+-) 44...Rd4 (better 44...Be3 45.Ke3 f6+/-) 45.Nf5?? (better 45.Re5 Rb4 46.f4+-) 45...f6?? (45...Re4 46.Ne3=) 46.Rc6 (better 46.Nd4 ed4 47.h4+-) 46...Rd7?? (better 46...Re4 47.Ne3 Be3=) 47.Ne7?? (47.h4 Bd2+-) 47...Kf7?? (better 47...Re7 48.h4 Bh6-+) 48.Rf6?? (better 48.Nc8+-) 48...Bf6-+ (48...Ke7?! 49.Rf5 Bf6 50.f4-/+) 49.Nd5 Rd5! 50.ed5 Ke7 51.Ke3 Kd6 52.Ke4 Bg5 53.f4 ef4 54.gf4 Bf6 55.h4 (55.Kf5 Bg7 56.Ke4 Kc5-/+) 55...Be7 56.h5. Pi13 (2205) - ClayPigeons (2135), Rated Bullet game, lichess.org, 2019.

7.c4 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 Qa5 11.Nc3 Bd6 12.0-0 0-0 13.Qb3 Qb4 14.Qb4 (14.Qa2 Bc7+=) 14...cb4 15.Na4 Be8 (15...Ne8!?+=) 16.Bf6+/- gf6 17.Nd4 Nd7 18.Rb1 Ne5 19.Be2 Bd7 20.Nb3 Ra8 21.Nb6 Ra2 22.Nd7 (22.d4 Bc7 23.Nc1+/- (23.de5?! Bb6 24.Nc1 Ra5=)) 22…Bc7 1-0. kasperoff (1830) - Moskvin_Tolik (2300), Hourly SuperBlitz Arena, lichess.org, 2020.

7.c4 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 Qa5 11.Nc3 Be7 12.0-0 b6 13.Ne5 Bd6 14.Nd7 (14.Ng4 Be7+/-) 14...Nbd7 15.Qc2 0-0 16.Ne4 (16.Bb2 Qb4 17.Na2 Qa5+=) 16...Be7 (16...Ne4 17.Qe4 Qd2 18.h3=+) 17.d4 (17.Bc3 Qa8 18.Nf6 Nf6+=) 17...Ra8 (17...cd4 18.Bd4 Rc8 19.Nf6 Bf6 20.Bf6 Nf6 21.Qb3=) 18.h3 (18.dc5 Ne4 19.Qe4 Nc5+=) 18...Ne4 (18...Qa4!? 19.Nf6 Bf6=) 19.Qe4+= Nf6 20.Qd3 (20.Qc6 Rd8+/-) 20...Bd6 (20...Rd8 21.Qc2+=) 21.dc5+/- Bc5 22.Bf6 gf6 23.Qe4 f5 24.Qf3 Qc3?? (24...Bd6 25.e4 Rc8 26.Bd3+/-) 25.Be2 (better 25.Qa8 Kg7 26.Qa1+-) 25...Ra2 26.Rd1 Ra1 27.Qg3 Kf8 28.Ra1 Qa1 29.Kh2 Qb2 30.Qb8 (30.Qf3!?+=) 30...Kg7= 31.Qg3 Kf8 32.Bh5 (32.Qf3 f4 33.ef4 Qd4+/-) 32...Qd2 (better 32...Qb5!? 33.Qe5 Qe8=+) 33.Qb8+= Kg7 34.Qe8 (34.Qe5 f6 35.Qg3 Kh6+=) 34...Qd6 (34...Qf2 35.Qf7 (35.Bf7?? Bd6 36.Kh1 Qf1) 35...Kh6 36.Qf6 Kh5 37.Qf7 Kg5 38.Qg7 Kh5 39.Qf7 Kh4 40.Qf6 Kh5 41.Qf7=) 35.f4 (35.g3 Qe7 36.Qe7 Be7+=) 35...Qc7 (35...Be3 36.Qf7 Kh8 37.Qf6 Kg8 38.Bf7 Kf8 39.Bg6 Kg8 40.Qf7 Kh8 41.Qh7) 36.g3 (36.Qc6!? Qd8 37.Qf3=) 36...Be3=+ 37.h4 Bd4 38.Qc6 Qe7 39.Kg2 Bc5 40.Kf3?? (better 40.Bf3-/+) 40...Kh6-+ 41.g4 (41.Bf7 Qf7 42.Kg2 Kh5-+) 41…Qh4 (41...Qh4 42.Ke2 Qf2 43.Kd3 Qd4 44.Kc2 Qc4 45.Kd1 Qd3 46.Ke1 fg4 47.Bg4 Qg3 48.Ke2 Qg4 49.Kd3 Qf4 50.Qh1 Kg6 51.Qg2 Kf6-+) 0-1. BAMABAM (1750) - rostropovich (2210), Rated Blitz game, lichess.org, 2013.

7.c4 Bd6 8.Bd3 0-0 (8...ab5 9.ab5 Ra1 10.Ba1 dc4 11.Bc4 0-0+=) 9.g4 (9.Nc3 ab5 10.ab5 Ra1 11.Qa1 Bc8+=) 9...Ne4 (better 9...ab5 10.ab5 Ra1 11.Ba1 Ng4=) 10.Be4?? (better 10.Nc3 Nc3 11.Bc3=) 10...de4–/+ 11.Ng1 Qh4 12.d3 (12.Nc3 Be5 13.d4 ed3 14.Nf3+=) 12...f5–+ 13.de4? (13.Nd2 ab5 14.cb5–/+) 13...fe4 (13...fg4 14.Qc2–+) 14.Nc3 (14.Qd2 Bc7 15.Nc3 ab5 16.cb5–+) 14…Qf2 0–1. yodamo – goffy, ChessWorld.net, 2009. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.b5 c5 5.e3 a6)

7.Bb5 Bd7 8.a4 Bb5 9.ab5 Nc7 10.Nc3 Bd6 11.Ra8 Na8 12.d3 Nb6 (12...0-0 13.0-0=) 13.0-0= 0-0 14.Ne2 Be7 (14...Qe7 15.e4 de4 16.Bf6 Qf6 17.de4=) 15.Qa1 Nbd7 16.c4 Qc7 17.cd5 ed5 18.Ng3 Rc8 (18...Qb6 19.Nf5 Bd8 20.Qa4=) 19.Nf5 Bf8 (19...Re8 20.Qa7=) 20.Bf6+= Nf6 21.Nh6 gh6 22.Qf6 Bg7 23.Qf5 Rd8 24.d4 c4 25.Ra1 Qd7 26.Qd7 Rd7 27.Ra8 Bf8 28.Kf1 Rc7 (28...f6 29.Ke2+=) 29.Ke2+– c3 (29...Kg7 30.Kd1 Be7 31.Kc2+–) 30.Kd1 Kg7 (30...c2!? 31.Kc1 Kg7+–) 31.Kc2+– Bb4 32.Rd8 Rc4 (32...b6 33.Ne5 Ra7 34.Nd3+–) 33.Rd5 b6? (33...Ba5+–) 34.Rd7 Ba5 35.Ne5 Rb4 (35...Ra4 36.Kd3+–) 36.Kc3 (36.Rf7?! Kg8+–) 36...Rb5 37.Kc4 Rb2 38.Rf7 Kg8 39.e4 (39.Rf3 b5 40.Kc5 Bc3+–) 39...Rc2 (39...Be1 40.f4+–) 40.Kd5 Rc8 (40...Be1 41.f4 Rg2 42.f5+–) 41.f4 Re8 (41...Rc2 42.Rb7 h5 43.Nd7+–) 42.Rb7 Rd8 43.Nd7 Bd2 44.f5 b5 45.e5 b4 46.e6 Bg5 47.Ke5 1–0. MT – guest2857, ICC, 2004.

7.Bb5 Bd7 8.Bd7 Qd7 9.0-0 (9.Bf6 gf6 10.a4 (10.Nc3 Rg8 11.Rg1 Bg7 12.g4 Bh8 13.d4 cd4 14.ed4 Qc6 15.Kd2+=; 10.0-0 Bg7 11.c3 f5 12.a4 c4 13.Na3 Nc5 14.Nb5 0-0 15.Qc2+=) 10...Rg8 11.0-0 e5 12.Nc3 Qg4 13.Ne1 Qd1 14.Rd1 Nb4 15.Nd3=) 9...Be7 (9...Qd8 10.Qe2 (10.Nc3 Be7 11.Rb1 0-0 12.Re1 Nc7 13.Ba1 Ra7 14.a4 Qc8 15.Qc1+=; 10.d3 Bd6 11.Na3 0-0 12.Nb5 Bb8 13.Qe2 Qe7 14.a4 Nb4 15.Rfb1=; 10.Bf6 Qf6 11.Nc3 Bd6 12.Qb1 0-0 13.Qb7 Nb4 14.Rfc1 Ra3 15.Qd7=) 10...Nc7 11.Nc3 Be7 12.a4 Ra5 13.Nb5 0-0 14.Bc3 Ra8 15.Be5=; 9...Bd6 10.Bf6 gf6 11.Nc3 Rg8 12.a4 Nb4 13.Nb5 Be7 14.d3 e5 15.Kh1=) 10.d3 (10.Ne5 Qd6 11.c4 0-0 12.d3 Rfb8 13.Qf3 Nb4 14.a3 Nc2 15.Ra2+=; 10.a4 0-0 11.Nc3 Nb4 12.Ne5 Qd8 13.Nb5 Qa5 14.c4 Ra6 15.d3=; 10.Nc3 0-0 11.Ne5 Qe8 12.a4 Nb4 13.Nb5 Qd8 14.d3 Nd7 15.Nd7=) 10...Nb4 (10...0-0 11.c4 dc4 12.Ne5 Qc7 13.Nc4 b5 14.Ne5 Bd6 15.f4+=) 11.Nbd2 (11.a3 Nc6 12.c4 0-0 13.Nbd2 Rfd8 14.Qb3 Ra7 15.Rfd1+=) 11...0-0 (11...Na2 12.Qb1 Qa4 13.Nb3+– 0-0 14.Nc1 Qc6 15.Na2+–; 11...Ra2 12.Ra2 Na2 13.Ne5 Qa4 14.c4 Qd1 15.Rd1+=) 12.Ne5 (12.Nb3 c4 13.a3 cb3 14.ab4 Ra2 15.Qb1+=) 12...Qa4 13.Nb3 Rfd8 (13...Bd6 14.a3 Na6 15.Nd2+=) 14.Ng4 (14.a3 Nc6 15.Qf3+=) 14...Ne8 (14...Na2 15.Bf6 gf6 16.Nc1+=; 14...Nd7 15.Ne5+=) 15.a3 Nc2 16.Nh6 gh6 17.Qc2 c4 18.Qc3 Bf6 19.Nd4 Nd6 20.Qd2 cd3 21.Nf5?? (better is 21.Qd3 Nc4 22.Rfb1–/+) 21...Nc4–+ (21...ef5?! 22.Bf6 Ne4 23.Qb2 Nf6 24.Qf6+=; 21...Nf5?! 22.Bf6 Rdc8 23.Qd3+=) 22.Nh6 Kf8 23.Qd3 Bb2 (23...Nb2?! 24.Qh7 Qe8 25.Ng4–+) 24.Qh7 Nd6 25.Rac1 (25.Ra2 Be5 26.f4–+) 25...Bc1 26.Rc1 Rac8 (26...Qa3?! 27.Qg8 Ke7 28.Rc7 Rd7 29.Qg5 Ke8 30.Qg8 Ke7 31.Qg5 Ke8 32.Qg8 Ke7=) 27.Qg8 Ke7 28.Qg5 Kd7 29.Rf1 Qc2 30.Ng4 Kc7 31.h3 Kb8 32.Qe7 Qc7 33.Qf6 Ne4 34.Qd4 f5 35.Ne5 Qc3 36.Qb6 (36.Rb1–+) 36...Qe5 37.Rb1 Rd7 38.a4 Rc6! (38...Rc6 39.Qc6 Rc7 40.Qe8 Ka7–+) 0–1. Koper,Konrad (1660) – Hemmerling,Jaroslaw (1985), Szachowe Lato Poznan Poland, 2010.

7.Bb5 Bd7 8.Bd7 Nd7 A) 9.Nc3 A1) 9...Bd6 10.0-0 (10.Nb5 Qe7 11.Nd6 Qd6 12.Qb1 0-0 13.d3 b5 14.0-0 Rfb8 15.Rc1+=; 10.e4 Nc7 11.ed5 ed5 12.Qe2 Qe7 13.a4 d4 14.Nb5 Nb5 15.ab5+=; 10.Rb1 0-0 11.0-0 Nc7 12.a4 e5 13.d3 Qf6 14.Qe1 Qg6 15.a5+=) 10...0-0 11.e4 d4 12.Nb5 Bf4 13.c3 d3 14.Qb3 Re8 15.c4=; A2) 9...Qa5 10.Qe2 (10.0-0 Bd6 11.Qe2 Nc7 12.a4 0-0 13.Nb5 Nb5 14.ab5 Qb4 15.Bc3+=; 10.Ne2 b5 11.0-0 Nb6 12.d3 f6 13.Bc1 Bd6 14.Bd2 Qa3 15.Bc1+=; 10.e4 d4 11.Ne2 Qa4 12.a3 Bd6 13.d3 b5 14.c3 Qd1 15.Kd1+=) 10...Be7 11.0-0 0-0 12.Rfb1 Nb4 13.d3 Nc6 14.Nd2 Bf6 15.Nb5=; A3) 9...Nf6 10.d3 (10.Qe2 Nb4 11.d3 d4 12.Nd1 de3 13.Ne3 Na2 14.0-0 Be7 15.Rfe1+=; 10.Rb1 Be7 11.0-0 0-0 12.a3 Nc7 13.Qe2 Ra5 14.a4 Qd7 15.Ba1+=; 10.0-0 Be7 11.d3 0-0 12.Qe2 Qa5 13.Rab1 Rfd8 14.Nd2 Nc7 15.a4+=) 10...Bd6 11.0-0 Nc7 12.a4 0-0 13.Nb5 Nb5 14.ab5 Qe7 15.c4=; A4) 9...Be7 10.a3 (10.Rb1 0-0 11.0-0 Bf6 12.a3 Nc7 13.Re1 Qb8 14.Ra1 b5 15.Qe2+=; 10.d3 0-0 11.0-0 Bf6 12.Rb1 Qa5 13.Nb5 Nb4 14.Bf6 Nf6 15.a3+=; 10.0-0 Bf6 11.Rb1 0-0 12.a3 Nc7 13.Re1 Qb8 14.d4 Qa7 15.a4+=) 10...0-0 11.0-0 Bf6 12.Qe2 Ne5 13.Ne5 Be5 14.f4 Bf6 15.Rab1+=; B) 9.0-0 B1) 9...Nf6 10.c4 (10.Qe2 Nc7 11.Bf6 Qf6 12.Nc3 c4 13.Rab1 b5 14.Nb5 Nb5 15.Rb5+=; 10.d3 Bd6 11.Na3 0-0 12.Nb5 Bb8 13.c4 Qe7 14.Qb3 Rd8 15.a3=; 10.Bf6 Qf6 11.Nc3 Bd6 12.Qb1 0-0 13.Qb7 Nb4 14.Rfc1 Ra3 15.Qd7=) 10...dc4 11.Bf6 Qf6 12.Qa4 Kd8 13.Nc3 Bd6 14.Qc4 Qf5 15.Rab1+=; B2) 9...Nc7 10.d3 (10.a4 Nf6 11.Bf6 Qf6 12.Nc3 Na6 13.e4 d4 14.Nb5 Be7 15.a5=; 10.Qe2 Nf6 11.Nc3 Be7 12.a4 0-0 13.Rfb1 Na6 14.d3 Nb4 15.Nb5=; 10.a3 Nf6 11.d3 b5 12.c4 bc4 13.dc4 Bd6 14.a4 0-0 15.a5+=) 10...Nf6 11.c4 dc4 12.dc4 Be7 13.Qb3 Qc8 14.Be5 0-0 15.Rd1=; B3) 9...Qa5 10.a4 (10.a3 f6 11.Re1 Qb6 12.Bc1 Bd6 13.Nc3 Qc6 14.Rb1 0-0 15.e4=; 10.d3 Qb4 11.Bc3 Qg4 12.Nbd2 Bd6 13.e4 d4 14.Nc4 Bc7 15.Bd2+=; 10.Bc3 Qa4 11.d3 b5 12.Bb2 Bd6 13.Bg7 Rg8 14.Bb2 Qb4 15.Bc3=) 10...Nb4 11.d3 Nb6 12.Nc3 Be7 13.Nd2 0-0 14.Nb3 Qa6 15.Nb5=; B4) 9...Qb6 10.Bc3 (10.Qc1 f6 11.Nc3 Bd6 12.a4 0-0 13.a5 Qc6 14.Re1 Nb4 15.Ba3+=) 10...f6 11.d3 Bd6 12.a4 0-0 13.a5 Qc6 14.Nbd2 b5 15.Bb2+=.

7.Nc3 Bd7 8.Be2 Rb8 (8...Be7 9.0-0=) 9.d4 (9.0-0 Be7+=) 9...c4 10.0-0 b5 11.a3 b4 12.ab4 Nb4 13.Ba3 Be7 (13...Ra8 14.Nb1=) 14.Na2 0-0 15.Bb4 Bb4 16.Nb4 Rb4 17.Ne5 Ne4 18.Qe1 (18.Ra7 Bb5 19.Bh5 f6+=) 18...Rb2 19.f3 Nd6 20.Qc3 Rb5 (20...Rb7 21.Rfb1 Rb1 22.Rb1=) 21.Rab1 (21.Ra7!? Be8 22.Rfa1+=) 21...f6 22.Nd7 Qd7 23.Rb4 Rfb8 24.Rb5 Nb5 25.Qb4 Qc7 26.Rb1 Qd7 27.e4 Kf7 (27...Rb7!?=) 28.ed5+= Qd5? (better is 28...ed5 29.Bc4 dc4 30.Qc4 Kf8 31.Qb4 Kg8 32.Qb3 Kh8+/–) 29.Qc5 (29...Nd4 30.Qc7 Kg6 31.Qg3 (31.Rb8? Ne2 32.Kf2 Qd2–+; 31.Qb8?! Ne2 32.Kf1 Qd2 33.Qe8 Kh6 34.Qe6 Nf4+=) 31...Kh6 32.Qh4 (< 32.Qb8 Ne2 33.Kf1 Qd2=+) 32...Kg6 33.Rb8 Ne2 34.Kf2+/–; better is 29.Qc4 Qd4 30.Qd4 Nd4 31.Rb8 Ne2 32.Kf2+–) 1–0. revrevrevrev – gui, Live Game Caissa's Web, 2004.

7.c4 Nb4 8.a3= Nc6 9.d4 Be7 (9...Qb6 10.Qc2=) 10.cd5 ed5 11.dc5 Bc5 12.Qc2 (12.Bd3 0-0=) 12...Qe7 13.Be2 (13.Bb5 0-0=) 13...0-0 14.0-0 h6 (14...Bg4 15.Rc1 Bd6 16.h3=) 15.Nbd2 (15.Rc1 Bd6=) 15...Bd6 (worse 15...Ba3 16.Qb3 Bb2 17.Ra8+–) 16.Rfd1 Bd7 (16...Be6 17.Qd3=) 17.Qd3 (17.Qb3 Bf5=) 17...Ne5 (17...Be6 18.Nd4=) 18.Ne5 Be5 19.Be5 Qe5 20.Nf3 The isolani on d5 becomes a target 20...Qe4 (20...Qe7 21.Nd4+=) 21.Qd2 (21.Nd4 Rfc8+=) 21...Ra4 (21...Rfc8 22.Nd4+=) 22.Qb2 Bc6 (22...Ra7 23.Ne5+=) 23.Rd4 Qe7 (23...Rd4 24.Nd4 Ra8 25.Rd1+=) 24.Ra4+– Ba4 25.Nd4 (25.Qb4 Qb4 26.ab4 Bb3+–) 25...Ra8 (25...Ne4 26.Rc1+=) 26.Bb5 (26.Nf5 Qd7 27.Bd3 Ne8+–) 26...Ne4 (26...Bb5 27.Nb5 (worse 27.Qb5 Ra3 28.Rd1 Qd7=+) 27...Rc8 28.Nd4+=) 27.h3 (27.Qb4 Qf6 28.f3 (worse 28.Ba4 Qf2 29.Kh1 Qe3–+) 28...Bb5 29.Qb5=) 27...Bb5= 28.Nb5 Ra4 (28...Rc8 29.Rd1=) 29.Rd1+= Qc5 30.Rb1 Nf6 (30...b6 31.Qe5=) 31.Nd4+= Qa3 (31...Ra7 32.a4+=) 32.Qb7 Ra8 33.Qc7 Re8 (33...Ne4!?+=) 34.Rb7+– Threatening mate... how?. White gets kings attack 34...Qf8 35.Nf5 Ne4 (35...Re6 36.Rb8 Re8 37.Re8 Qe8 38.Qg3+–) 36.Ne7 Kh8 37.Nd5 Kg8 (37...Nd6 38.Rb6 Nc8 39.Rb8+–) 38.Ne7 (38.Qf4 Ng5+–) 38...Kh8+– 39.f3 Ng5 40.Nf5 Rc8 41.Qe5 Re8 42.Qc3 Rc8 43.Qb2 (43.Rc7 Rc7 44.Qc7 Qb4+–) 43...Qc5?? (better 43...Kh7+–) 44.Qg7 1–0. Struck,Bernd Dieter – Schenk,Dieter, GER–ch Seniors, 2001.

7.c4 Be7 8.cd5 ed5 9.Bb5 Bd7 10.Bd7 Qd7 11.Ne5=+.

7.d4 c4 8.Ba3 Ba3 9.Na3 Bd7 (better is 9...Qa5 10.Nd2 Qa3–+) 10.Nb1 0-0 11.c3 b5 12.a3 Qa5 13.Be2 Rab8 14.0-0 b4 15.cb4 Nb4 16.Nbd2 (16.ab4 Qa1) 16...Na6 17.Qc2 Ba4 18.Qa2 (18.Qc1 Nc7–/+) 18...Rb7 (better is 18...c3!? 19.Rab1 cd2 20.Qd2 Qd2 21.Nd2 Nc7–+) 19.Rab1=+ Rfb8 20.Ne5 (20.Rb7 Rb7 21.Rb1 Rb1 22.Qb1 Nc7=+) 20...Bb3 21.Nb3 cb3 (better is 21...Rb3!? 22.a4 R3b4–/+) 22.Qb2+= Ne4? (better is 22...Ra8+=) 23.Nc6+– Qc3? (better is 23...Qa4 24.Nb8 Nb8+–) 24.Nb8 (24.Ba6?! Qc6 25.Bb7 Qb7+/–) 24...Rb8 25.Ba6 Qa5 26.f3 Nd6 (26...Nd2 27.Rbc1 Qa6 28.Qd2 b2+–) 27.Bd3 Nc4 28.Bc4 dc4 29.Rfc1 Rc8 (29...Qa6 30.Rc3+–) 30.Rc3 (better is 30.Qb3! g6 (30...cb3?? 31.Rc8 Qd8 32.Rd8) 31.Qc3 Qg5+–) 30...h6 31.Rbc1 (better is 31.Qc1 Rc7+–) 31...Qa4 (31...Rc6 32.f4+– (32.Rc4 Rc4 33.h3 Rc1 34.Qc1 Qf5–/+)) 32.h3 (better is 32.Rb3! Ra8 33.Rb8 Kh7 34.Ra8 Qa8 35.Rc4 Kg6+–) 32...Rc6 33.Kf2 f6 34.Ke2 Kf7 35.Kd2 Ke7 36.g3 Kd6 37.f4 f5 38.Ke2 g6 39.Kf3 h5 40.e4 fe4 41.Ke4 Qb5 42.Qe2 (42.Ke3 h4+–) 42...Qd5?? (42...b2 43.Kf3 bc1R 44.Rc1 Qd5 45.Kf2 Qd4 46.Kg2 Ke7=) 43.Ke3+– Rc7 (43...g5 44.Rc4 gf4 45.gf4 Rc4 46.Qc4 Qc4 47.Rc4+–) 44.Qf3 (better is 44.Rc4 Rc4 45.Qc4 Qb7+–) 44...Qb5 (44...Ra7 45.Qe4 Ra3 46.Qe5 Qe5 47.de5 Kd5 48.Rd1 Kc5+–) 45.Qe4 Kd7 (45...h4 46.Qe5 Qe5 47.fe5 Kd7 48.Rc4+–) 46.Qg6 Qa4 (46...Kd6+–) 47.Qf7 Kd6 48.Qf8 Kd7 49.Qg7 Kd6 50.Qe5 Kd7 51.d5 (51...Qa6 52.Rb3+–; better is 51.Qc7! Kc7 52.Rc4 Qc4 53.Rc4 Kb6 54.Rb4 Kc7 55.Rb3 Kd8+–) 1–0. slavisa11 – Mirjana5, Live Game Caissa's Web, 2004.

7.Ne5 Qb6 8.Bc3 d4=.

7.cb5 Qa5 8.a4 (8.Bc3 Qb6=) 8...c4 (8...Bd6 9.Be2=+) 9.Bf6 (9.Be2 Bb4=) 9...gf6=+ 10.Nc3 Bd7 11.Be2 Bb4 (11...f5 12.0-0=) 12.0-0 Bc3 13.dc3 Qc3 14.Nd4 (better 14.e4!? de4 15.Nd2+=) 14...e5-/+ 15.Qc2?? (15.Rc1 Qa3 16.Nf3 Qa4 (worse 16...Ra4 17.Qd5 Be6 18.Qb7+=) 17.Qd5 A) 17...Bb5? 18.Ne5 (18.Bc4?! Bc4 19.Rc4 Qd7=) 18...0-0 19.Nc4+-; B) 17...Qb5 18.Bc4 Qd5 19.Bd5 Nc6=+) 15...Qc2 (better 15...ed4 16.Qc3 dc3-+) 16.Nc2-/+ Bf5 (better 16...Ke7!? 17.e4 d4 18.Bc4 Be6=+) 17.Nb4= Be6 18.Rfd1 Ke7 19.Nd5 Bd5 20.Rd5 Rc8 21.Rd2 Nd7 22.Rc2 c3 (22...Nb6 23.a5 Ra7 24.Kf1+=) 23.Bf3 (23.Ra3 Rc5+=) 23...Rc7 24.g3 (24.Be4 h5+=) 24...f5= 25.Bd5 (25.Ra3 e4 26.Be2 Rac8=) 25...Nb6=+ 26.Bb3 Rac8 (26...Rc5 27.f4=+) 27.a5 Nd7 (27...Ra8 28.f4=) 28.a6 ba6 29.ba6 Ra7 30.Bd5 Rcc7 31.Ra3 Nb6? (31...Nb8 32.Rcc3 Rc3 33.Rc3 Ra6 34.Kf1=) 32.Bb3?? (better 32.Bb7+-) 32...Rc5 (32...Kd6 33.Kf1=) 33.Kg2 f6 (33...e4 34.Kf1=) 34.h4 (34.Bg8 h6+=) 34...Kd6 35.Kf3 h6 36.h5 Rc6 37.Raa2 (37.Bg8 Nd5+=) 37...Nd5= 38.Bd5 Kd5 39.Ra3 Raa6 40.Ra6 (40.Rcc3 Ra3 41.Ra3 e4 42.Kg2 Rc8+=) 40...Ra6 41.Rc3 e4 42.Kf4 (42.Kg2 Ra8+=) 42...Ke6 (42...Ra2 43.Kf5 Rf2 44.Kg6=) 43.g4 fg4 44.Kg4 f5 45.Kf4 Ra2 46.Rc6 Kd5 47.Rh6 Rf2 48.Kg3 (better 48.Kg5 Ke5 49.Ra6=) 48...Rf3-/+ 49.Kh4 Re3 50.Rf6 Rf3 (better 50...Ke5!? 51.Rf8 Re1-+) 51.h6=+ e3 52.h7?? (better 52.Rf8 Rf1 53.Re8 Rh1 54.Kg5-/+) 52...e2-+ 53.h8Q e1Q 54.Kg5 Qg1 55.Kh6 (55.Kh4 Qg4) 55…Rh3 0-1. Abdullaevich (1840) - hymnick (1905), lichess.org, 2019.

7.cb5 b6 8.a4 Bb7 9.Be2 Nbd7 10.0-0 Bd6 11.Nc3 0-0 12.d4 Qe7 13.Bd3 e5 14.de5 Ne5 15.Be2 Rfd8 16.h3 Bc7–/+ 17.Qc2? Qd6 18.Ba3?? Nf3 19.Bf3 Qh2# 0–1. mic (2200) – vanadis (2380), net–chess.com, 2008.

7.cb5 b6 8.a4 Bd6 9.d4 c4 10.Be2 Ne4 11.Nc3 f5 12.0-0 0-0 Black intends f4 13.Nd2 Qh4 Black plans f4 14.h3 f4?? (14...Nd7 15.Nf3 Qe7 16.Qc2=+) 15.Nf3?? (better 15.Nde4 de4 16.Ne4+- (16.Bc4 f3-/+)) 15...Qh6 (15...Nc3 16.Bc3 Qh6 17.ef4 Qf4 18.Qd2=) 16.ef4 (16.Ne4 de4 17.Ne5 fe3+=) 16...Qf4 (worse 16...Bf4 17.Ne4 de4 18.Ne5+/-) 17.Bc1 Qf6 (better 17...Qf5!? 18.Ne4 Qe4= (worse 18...de4 19.Nd2+/-)) 18.Ne4+/- de4 19.Ne5 Be5 20.de5 Qe5 21.Ba3 Re8 22.Bc4 Bb7 23.Qb3 Nd7 24.Bb2 (24.Rfd1 e3 25.Qe3 Ra4+/-) 24...Qf5+= 25.Rad1 (25.Qg3 Qf7+/-) 25...Nc5 26.Qe3 (26.Qg3 Qf7+=) 26...Na4 (26...Ra4 27.Be2=) 27.Bd4 (27.Bg7 Bd5 28.Ba1 Bc4+/-) 27...Bd5 28.Be2 Rab8 (28...Qg6 29.Bb6 Nb6 30.Qb6=) 29.Bg4 (29.Bg7 Kg7 30.Qd4 Kg8 31.Qa4 Qg5+=) 29...Qf7= 30.Qg5 h6 31.Qe5 Qd7 32.Ba1 Nc5? (better 32...Rbd8=) 33.Rd5+- Qe7?? (better 33...ed5 34.Bd7 Re5 35.Be5 Nd7 36.Bb8 Nb8+-) 34.Rd6 Nd7 (34...Kh8 35.Rc6 Rbd8 36.Be6+-) 35.Rd7! Qd7 (35...Qd7 36.Qd4 Double attack (36.Qd4 Decoy)) 36.Rc1 Rbc8 (36...Rb7+-) 37.Rc8 Rc8 (37...Rf8 38.Be6 Kh7 39.Bd7 Rf6 40.Bf5 g6 41.Qe7 Rf7 42.Qf7) 38.Bb2 (38.Be6 Kf8 39.Bd7 Rc1 40.Kh2 Rh1 41.Kh1 e3 42.Qg7) 38...Rc2 (38...Re8 39.Qe4 Qf7 40.Qe5+-) 39.Kh2 (39.Be6 Kf8 40.Bd7 Rc1 41.Bc1 g5 42.Bb2 e3 43.Qe8) 39...Rb2 (39...Qc7 40.Be6 Kh7 41.Qc7 Rc7 42.Bf5 g6 43.Be4+-) 40.Qb2 (better 40.Be6 Qe6 41.Qe6 (41.Qb2?! Qd5=) 41...Kh8 42.Qb6+-) 40...Qd6 41.g3 e3 0-1. Myroslavchyk (2005) - luis_alfredop (2075), Rated Bullet game, lichess.org, 2015.

7.cb5 Bd6 8.Be2 0-0 9.0-0 Re8 10.d4 c4 11.Nc3 Nbd7 12.Qc2 Nf8 13.Rfd1 Bd7 14.a4 Ng6 15.e4 de4 (better is 15...Bb4!? 16.e5 Nh5=) 16.Ne4+/– Ne4 (16...Ne4 17.Qe4 Rc8+/–). Lightofsea – Artyom, playchess.de, 2002.

7.cb5 Be7 8.a4 b6 9.d4 c4 10.Ne5 Qd6 (10...0-0 11.Be2+=) 11.Ba3= Qc7 12.Be7 Qe7 13.Qd2 Bd7 (13...Ne4 14.Qb2+=) 14.Qb2 0-0 15.Nc3 Rc8 16.Be2 Ra5 17.0-0 Be8 18.Rfb1 Nbd7? (better is 18...Nfd7 19.Nd7 Bd7=) 19.Nc6+– Qd6 20.Na5 ba5 21.b6 Rb8 22.b7 e5 (22...Nf8 23.Qb6 Bc6 24.Qa5 Rb7 25.Rb7 Bb7 26.Rb1+–) 23.Qb5 ed4 24.ed4 Nf8 25.Qa5 Ne6 (25...Bc6 26.Qa7 Qc7 27.a5 Rb7 28.Rb7 Qb7 29.Qb7 Bb7 30.a6+–) 26.Qb4 (better is 26.Qa7!? Qf4 27.g3 Qd6+–) 26...Qf4 27.Qb6 (27.a5 Nd4 28.a6 Ne4 29.Ne4 Ne2 30.Kh1 Qe4+–) 27...Nd4 28.a5 Nd7? (better is 28...Qd2 29.Qc7 Rb7 30.Qb7 Qc3+–) 29.Qb2 Nc6 (29...Nf6 30.a6 Nc6+–) 30.Nd5 Qe4 31.Bf3 (31.Ne3 Nd4 32.Bc4 Nf8+–) 31...Qe6 (31...Qh4+–) 32.Nc7 Qd6 33.Ne8 Re8 34.Bc6 Nc5 (34...Qc6 35.a6 c3+–) 35.Be8 Nd3 36.b8Q 1–0. Jambrich,Jaromir (1695) – Pisar,Juraj, Bratislava Doprastav op, 2005. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.b5 c5 5.e3 a6 6.c4 ab5)

7.cb5 Be7 8.Be2 0-0 9.0-0 Nbd7 10.a4 b6 11.Qc2 Bb7 12.Rc1 Rc8 13.d3 d4 14.e4 e5 15.Nbd2 Ne8 16.a5 ba5 17.Nc4 f6 18.Ra5 Nd6 19.Rb1 Nc4 20.Qc4 Kh8 21.Ra7 Qb6 22.Rba1 Ra8 23.R7a3 Rfb8 24.Ra8 Ra8 25.Ra8 Ba8 26.Bd1 Qc7 27.Bb3 Qd8 28.Qe6 Nf8 29.Qg8# 1–0. Machete99 – guest1216, ICC, 2002.

7.cd5 ed5 8.Bb5 Bd7 9.Bd7 Kd7 10.Bf6 Qf6 11.Nc3+–.

7.cd5 ed5 8.Bb5 Bd7 9.Bd7 Nbd7 10.0-0 Bd6 11.Nc3 0-0 12.Nb5 Bb8 13.Qc2 Ra6 14.Ng5 (better 14.d3=) 14...Bh2–/+ 15.Kh2 Ng4 16.Kg1 Qg5 17.f3 Nh6 18.Kf2 (18.e4 d4–+) 18...Rg6–+ 19.g4 d4! 20.ed4? (better 20.Rh1–+) 20...Re8 21.Rae1 (21.Qd1 Qh4 22.Kg2 Ng4 23.fg4 Rg4 24.Qg4 Qg4 25.Kh2 Re2 26.Rf2 Rf2 27.Kh1 Qg2) 21...Ng4! 22.fg4 (22.fg4 Qh4 Mate attack) 22…Qf4 (22...Qf4 23.Kg2 Qg4 24.Kh2 Qg2; 22...Qh4 23.Kf3 Qg4 24.Kf2 Qg2) 0–1. Kamper,Marco – Parado,Dominado (1850), Recklinghausen–ch, 2004.

7.cd5 ed5 8.Bb5 Bd7 9.Bd7 Nbd7 10.0-0 Be7 11.Nc3 Ra6 12.Qe2 (12.d3 0-0=) 12...0-0 13.Rfd1 Qc7 Black plans c4 14.Rac1 (14.Rab1 Re8=) 14...Rfa8=+ 15.d4 (15.d3 Bd6=+) 15...c4 16.e4 (16.Ne5 A) worse 16...Ne5 17.de5 Qe5 18.Nd5 Qd5 19.Rd5 Nd5 20.Qc4 Ra2 21.Qb5+– (21.Qd5?! Rb2 22.g3 Rd8+–); B) 16...Bb4 17.a3 Bc3 (worse 17...Ba3 18.Nb5 Qb6 19.Na3+–) 18.Rc3 b5=+) 16...de4 17.Ne5 Nb6 18.Ne4 (18.a3!?=+) 18...Ne4–/+ 19.Qe4 Ra2 20.Bc3 Nd7 (20...Bd6 21.Rd2–/+) 21.d5 (21.Nc4 Nf6 (21...Qc4?! 22.Qe7 Qd5 23.Bb4=) 22.Qe1 Qc4 23.Qe7 Nd5–+) 21...Ne5 (21...Bc5!?–/+) 22.Be5= Qc5 23.Bd4 Qc7 24.Qg4 (24.Be5 Qb6 25.Bg3=+) 24...Bf8 (24...g6 25.Bc3 Bc5 26.Bd4–/+) 25.h4 (25.Rb1!?=+) 25...b5–/+ 26.d6? (better 26.h5!?–/+) 26...Qd6–+ 27.Bg7 Qg6 28.Qg6 fg6 29.Be5 (29.Bf8 Rf8 30.f3 Rc8–+) 29...Ba3 30.Ra1 Ra1 31.Ra1 b4 32.Bd6 (32.Ra2 Kf7–+) 32...b3 (32...Rc8 33.h5–+) 33.Ba3 (33.Be5–+) 33...c3 34.Kf1 (34.g4–+) 34...c2 35.Ke1 (35.Ke2 Ra3! 36.Ra3 b2 37.Ra8 Kg7 38.Ra7 Kh6–+) 35…Ra3! (35...Ra3 36.Rd1 b2 37.Rd8 Kf7 38.Rd7 Ke6 39.f3 c1Q 40.Kf2 b1Q 41.Kg3 Rf3 42.Kf3 Qf5 43.Ke2 Qff1) 0–1. tsodikovich (1865) – alleey (1670), gameknot.com, 2017.

7.Nc3= ab5 8.Nb5 Bd7 (8...Be7 9.Bc4 0-0 10.0-0=) 9.Bc4 Be7 10.0-0 0-0 11.a4 (11.d4 Qa5 12.Qb3 cd4 13.Nfd4 Rc8=) 11...Nc6 12.d3 Nd5 (12...Qb6 13.Ne5=) 13.Qe2 (13.d4 Nb6 14.Be2 cd4 15.Nfd4 Bc5=) 13...Bf6 (13...Na5 14.Rfd1=) 14.Rfb1 (14.Bf6 Nf6 15.Rfb1 Qe7=) 14...Nb6 Attacking the isolated pawn on a4 (14...Ncb4 15.d4 cd4 16.Nfd4+=) 15.Bb3 (15.Bf6 Qf6 16.Nd6 Nc4 17.Nc4 Nb4=) 15...Na5 16.Bc2 Bb2 17.Rb2 Qf6 18.d4 (18.Rab1 Bc6=) 18...Nac4 19.Rba2 cd4 (19...Rfc8 20.Qd3 Qh6 21.Rb1 cd4 22.Nd6 Nd6 23.Rb6=) 20.Nbd4+= Rfc8 The pressure on the isolated pawn grows 21.a5 (21.Qd3 g6=) 21...Nd5 22.a6 (22.Qd3 Qh6 23.Qb3 Ra7=) 22...Ra6 (22...ba6 23.Ra6 Ra6 24.Ra6=) 23.Ra6 ba6 24.Ra6 Nb4 25.Ra7 Nc2 26.Rd7 (26.Nc2 Nb6=) 26...Nd4 (26...Nb6 27.Rd6 Nd4 28.Rd4=) 27.Rd4 (27.Nd4?? Ne5 28.Ra7 Rc1 29.Qf1 Rf1 30.Kf1 h6–+; 27.ed4 Nb6 28.Rd6 Nd5=+) 27…Ne5 (27...Nb6 28.Rd1=) ½–½. Luzuriaga,Norberto Horacio – Heinisch,Uwe, corr, 2000.

7.Nc3= Bd6 8.Bc4 0-0 9.d4=.

7.Bc4 ab5 8.Bb5 Nc6 9.Bc6 bc6 10.0-0 Be7 11.Qb3 Ba6 12.Rc1 0-0 13.a4 Rb8 14.Qc3 Be2 15.Ne5 Qd6 16.d4 Nd5 17.Qd2 cd4 18.Nc6 Bh5 19.Ba3 de3 20.fe3 Qd7 21.Ne7 Kh8 22.Nd5 ed5 23.Bf8 Rf8 1–0. Bonetti,Shane – MrSuav_eh, ICC, 2002.

7.Bc4 ab5 8.Bb5 Bd7 9.Qb3 Nc6 10.a4 Na5 11.Qd3 Bb5 (11...c4 12.Bc4 Nc4 13.Qc4 Ra4 14.Ra4=) 12.Qb5 Qd7 (12...Nd7 13.d4=) 13.Nc3 (13.Ne5!? Qb5 14.ab5+/-) 13...Qb5 (13...Nc6 14.a5=) 14.Nb5 (better 14.ab5 Bd6 15.e4=) 14...Kd7 (14...Ke7 15.d3=) 15.0-0 (15.Ne5!? Ke7 16.Nd6+/-) 15...Bd6 (15...Ke7 16.d3=) 16.d4 (16.Ng5 Bb8+=) 16...c4= 17.Nd6 (17.Ng5 Bb8 18.Nf7 Rc8+=) 17...Kd6 18.Ne5 Rhc8 19.Nf7 Ke7 20.Ne5 c3 21.Ba3 Ke8 22.Rfc1?? (better 22.Rab1=) 22...Nb3-+ 23.Nd3?? (better 23.Rab1 Nc1 24.Rb7-+) 23...Na1 (23...Ra4 24.Rab1 Ra3 25.Rc2-+) 24.Ra1 (24.Nc5 b6 25.Nb7 Ra4 26.Nd6 Kd8 27.Nf7 Kd7 28.Ne5 Ke8 29.Ra1 Ra3-+) 24...Ra4 25.Nc5 Ra7 26.Ne6 (26.f3 c2 27.Rc1 Ra3-+) 26…c2 (26...c2 27.Rc1 Ra3-+) 0-1. benachamohcine (2075) - darewing (2045), Rated Blitz game, lichess.org, 2014.

7.a4 b6 8.Be2 (8.d4 cd4 9.Nd4 Bb4 10.Bc3 Bc3 11.Nc3 Qc7=) 8...ab5 (8...Bd6 9.0-0=) 9.ab5 (9.cd5 ed5 10.Bb5 Be7=) 9...Bb7 (9...Ra1 10.Ba1 Bb7 11.0-0=) 10.d3 (10.Ra8 Qa8 11.cd5 ed5=) 10...Bd6 (10...Ra1 11.Ba1 Bd6 12.cd5 ed5 13.0-0=) 11.Nbd2 (11.Ra8 Qa8 12.0-0 0-0=) 11...0-0 (11...Ra1 12.Qa1 0-0 13.cd5 ed5 14.0-0=+) 12.0-0 (12.Ra8 Qa8 13.Qc2 Qb8=) 12...Qc7 (12...Ra1 13.Ba1 Qc7 14.cd5 Bd5 15.e4=) 13.Qc2= h6 (13...dc4 14.dc4 (worse 14.Nc4 Bf3 15.Bf3 Bh2 16.Kh1 Ra1 17.Ra1 Be5–/+) 14...Ng4 15.h3=) 14.h3 (14.cd5 ed5 15.Rfc1 Rfe8=) 14...Rfe8 (14...Rfd8 15.cd5 Nd5 16.Ne4=) 15.Rfe1 (15.cd5 ed5 16.Rfc1 Ra1 17.Ra1 d4=) 15...Ne5 (15...e5 16.cd5 Nd5 17.Ne4=) 16.Ne5 Be5 17.Nf3 Bd6 (17...Bb2 18.Qb2 e5 19.Ra8 Ba8 20.cd5 Bd5 21.Ra1=) 18.cd5 (18.Bf6 gf6 19.Red1 f5=) 18...Nd5 (18...Bd5? 19.e4+–) 19.e4 (19.d4 Rec8=) 19...Nf4 20.e5 (20.Qc3 f6=+) 20...Be7=+ 21.Bd1? (better 21.d4!?=+) 21...Ra1 (21...Qd7 22.d4 Qb5 23.Qd2–+) 22.Ba1 Rd8 (22...Qd7 23.d4–+) 23.d4–/+ c4 (23...Qd7 24.Qd2 g5 25.Re3–/+) 24.Qc3 (24.Be2!?–/+) 24...Rc8 25.Bc2 Nd5 (25...Ra8 26.Qe3 Ng2 27.Kg2–/+) 26.Qb2–/+ Bb4 (26...Nb4 27.Qb1–/+) 27.Re2 (27.Rb1 c3 28.Qb3 Qc4–/+) 27...Ra8 (27...Qd7 28.Qc1–+) 28.Be4?? (better 28.Qc1–+) 28…Bc3 (28...Bc3 29.Qc2 Ba1–+) 0–1. Hess,Helmut (1615) – Alder,Bodo (1955), 7th Berlin–ch Seniors, 2011.

7.ba6 ba6 8.cd5 ed5 9.Nc3 Be7 10.d4 c4 11.Be2 0-0 12.0-0 Bb7 (12...Rb8 13.Rb1=+) 13.Rb1 Rb8 14.Ba1 (14.Qc1 Re8=) 14...Qa5 15.Qc2 Qd8 16.Ne5 (16.Nh4=) 16...Ne5 (better 16...Bd6!? 17.f4 Re8=+) 17.de5+= Nd7 18.f4 (18.Rfd1 Qa5+=) 18...Nc5 (18...Bc5 19.Qd2=+) 19.f5 (19.Rfd1 Qa5 20.Nd5 Bd5 21.Rd5 Qa4 22.Qa4 Na4+/-) 19...Ne4?? (better 19...d4 20.ed4 Qd4 21.Rf2 Nd3-/+) 20.Ne4+/- de4 21.Bc4 Kh8 22.Bb3 (22.Bd4 Qc7 23.Qa4 a5+-) 22...f6 (22...Qa5 23.f6 gf6 24.ef6+-) 23.Be6 fe5 24.Be5 Bf6?? (24...Bd6 25.Rfd1 Be5 26.Rd8 Rfd8+-) 25.Bb8 Qb8 26.Qb3 Qa7 27.Qb7 Qe3 28.Kh1 h6 (28...Qd3 29.Rfd1 Qc2 30.Re1+-) 29.Rbe1 Qd4 (29...Qc5 30.Re4 a5 31.Rfe1+-) 30.Qe4 (30.Re4 Qd6+-) 30...Qe4 31.Re4 Rb8 (31...a5 32.Ra4 Bc3 33.Rc4+-) 32.Bb3 (better 32.Ra4+-) 32...Rb5 (32...Kh7 33.Bf7 h5 34.Bh5+-) 33.g4 (33.Re8 Kh7 34.Bg8 Kh8 35.Bf7 Kh7 36.Bg6) 33...Rc5 (33...Rb8 34.Ra4+-) 34.Rfe1 (34.Re8 Kh7 35.Bg8 Kh8 36.Bf7 Kh7 37.Bg6) 34...a5 (34...Kh7 35.Bf7 g6 36.fg6 Kg7 37.Re8+-) 35.Kg2 (35.Re8 Kh7 36.Bg8 Kh8 37.Bf7 Kh7 38.Bg6) 35...Rc3 (35...h5 36.Bf7 Kh7 37.Bh5+-) 36.R1e2 (36.Re8 Kh7 37.Bg8 Kh8 38.Bf7 Kh7 39.Bg6) 36...Rc5 (36...h5 37.Re8 Kh7+-) 37.Re8 Kh7 38.Bg8 Kh8 39.Bf7 Kh7 40.Bg6 1-0. e4_e5_f4 (1645) - AbdoElsaied (1670), lichess.org, 2020.

7.Na3=+.

7.a4 0-0 8.cd5 ed5 9.d4 (9.Be2 ab5 10.ab5 Ra1 11.Ba1 Bf5=+) 9...c4-/+ 10.Nc3 (10.ba6 Na6 11.Be2 Qb6-/+) 10...h6 (10...Bb4!? 11.Nd2 Bg4-/+) 11.Be2=+ Re8 12.0-0 Nbd7 (12...Bf5 13.Ne5=+) 13.h3 Nf8 14.Ba3 (14.Qc2 Be6=) 14...Bf5 15.Be7 Qe7 16.Ne5 Qd6 17.Bf3 Ng6 18.ba6 (18.Nd5 Ne5 19.de5 Re5 20.Nf6 Qf6 21.ba6 Qa6 22.Qd4=) 18...ba6 (18...Ra6 19.Ng6 Bg6 20.Qd2=+) 19.Ng6 (better 19.Nc4!? Qc7 20.Nd5 Nd5 21.Bd5+=) 19...Bg6=+ 20.Rb1? (better 20.Qd2=+) 20...Bb1-+ 21.Qb1 Rab8 22.Qa2 Rb3 23.Rb1?? (23.Rc1 Reb8-+) 23...Reb8 (better 23...Rc3 24.Qd2 Ra3-+) 24.Rb3 Rb3 25.Qc2 Qb8 26.g3 (26.Bd5 Nd5 27.Ne2 Rb1 28.Nc1 c3-+) 26...Rc3! 27.Qc3 Qb3 28.Qa5?? (better 28.Qc1 Qa4 29.Qb1-/+) 28...c3-+ 29.Qa6 c2 30.Qc8 Kh7 31.Qf5 Kh8 32.Qc8 Ng8 33.Bd5 Qb1 34.Kg2 c1Q 35.Bf7 (35.Qc1 Qc1 36.Bf7 Qc6 37.Kg1-+) 35…Qh1 0-1. Abdullaevich (1900) - rinat1961 (1955), lichess.org, 2020.

7.a4 ab5 8.ab5 Ra1 9.Ba1 0-0 10.Be2 dc4 11.Bc4 b6 12.0-0 Bb7 13.d4 Nbd7 14.Nbd2 Bd5 15.Qb3 Qc7 16.Qa2 (16.Bd5 ed5 17.dc5 bc5=) 16...Ra8=+ 17.Bd5 (17.Qb3!=+) 17...Ra2-/+ (17...ed5?? 18.Qa8 Qd8 19.Qd8 Bd8 20.dc5 bc5 21.Ne5+-) 18.Ba2 cd4 19.Bd4 Bc5 (19...e5 20.Ba1-/+) 20.Rc1 Qd6 21.Nc4 Qe7 22.h3 h6 23.Nce5 Ne5 24.Be5 Nd5 25.Bd4 f6 26.Bd5 ed5 27.Kf1 (27.Bc5 bc5 28.b6 g6-/+) 27...Kf7 (27...Qd7 28.Rb1 Qf5 29.Rd1-+) 28.Ke2 (28.Kg1 Qa7-/+) 28...Qd7 (28...Qe8 29.Rb1 Qe4 30.Nd2 Qg2 31.Bc5 bc5 32.b6=+) 29.Rb1 Bd4 30.Nd4 Qa7 (30...f5 31.Rc1 f4 32.Rc6 fe3 33.fe3=+) 31.Rc1 Qa2 (31...h5 32.Rc6=+) 32.Rc2 Qa3 33.g4 Kg6 (33...Qd6 34.Rc6 Qb8 35.Nf5=) 34.Kf3 (34.Rc7!?+=) 34...Qd3 35.h4 (35.Kg2!?=+) 35...Qe4 (35...Qd1 36.Re2-/+) 36.Kg3 h5 37.gh5 Kh5 38.Rc7?? (38.Rc6!?-/+) 38...Qg4 (better 38...Qe5 39.Kg2 Qc7-+) 39.Kh2-/+ Qh4 40.Kg2 (40.Kg1 Qg4 41.Kf1 f5-/+) 40...Qg4 (40...Qe4 41.Kf1 Qd3 42.Kg2 Qg6 43.Kh2-/+) 41.Kf1 Qd1 42.Kg2 g5 43.Rf7 Kg6 44.Rf8? (44.Rb7 Qg4 45.Kf1 f5 46.Rb6 Kh5=+) 44...g4 (44...Qg4!? 45.Kf1 Qd7 46.Rg8 Kh7 47.Rb8-/+) 45.Rg8 (45.Rb8 Qd3=+) 45...Kh5 (45...Kf7 46.Rb8 f5 47.Rb7 Ke8 48.Rb8 Kd7=) 46.Kg3?? (better 46.Rh8 Kg5 47.Rg8 Kh6 48.Rb8=) 46...Qg1 47.Kf4 Qf2 (47...Qf2 48.Nf3 Qf3) 0-1. zembelek (2050) - Porfirios (2090), Rated Blitz game, lichess.org, 2014.

7.a4 ab5 8.cb5 b6 9.Ne5 Bb7 10.Ng4 h5 11.Nf6 Bf6 12.Bf6 Qf6 13.Nc3 (13.d4 0-0=+) 13...Nd7 14.Ne2 Ne5 15.Nf4 g5 16.Nh5 Qe7 (better 16...Rh5!? 17.Qh5 Nf3 18.Qf3 Qa1 19.Qd1 Ra4-/+) 17.Ng3 f5 18.f4 (better 18.d4!? Nd7 19.Be2+=) 18...gf4=+ 19.ef4 Ng4 (19...Ng6!?=+) 20.h3= Nf6 21.Qe2 Rg8 22.Qf2 d4 23.Be2 Ne4 24.Qf3?? (better 24.Ne4 fe4 25.Rg1=) 24...Ng3-+ 25.Qf2 (25.Qb7 Qb7 26.Bf3 Qb8-+) 25...Ne4 (better 25...Nh1 26.Qg1 Qh4 27.Kd1 Nf2 28.Kc1 Rg2 29.Qf1-+) 26.Bh5 (26.Qf3 d3! 27.Qh5 Kd7 28.Bf3-+) 26...Kd8 27.Qe2 Ng3 28.Qd1 (28.Qe5 Nh1 29.g4 Qh4 30.Kd1 Nf2 31.Kc2 Be4 32.d3 Bd3 33.Kb2-+) 28...Qh4 29.Bf7 Nh1 (29...Nh5 30.Ke2 Nf4 31.Kf1 Bg2 32.Kg1 Bh3 33.Qg4 Qg4 34.Kh2 Qg2) 30.Kf1 (30.Ke2 Rg2 31.Kd3 Qh3 32.Kc2 Qc3 33.Kb1 Be4 34.Ka2 Rd2 35.Qc2 Rc2 36.Kb1 Qe1) 30…Qf2 0-1. Atotheking (1715) - jokbaum (1740), lichess.org, 2020.

7.a4 b6 8.Na3 Nbd7 (8...0-0 9.Be2=) 9.Be2 Qc7 (9...0-0 10.0-0=) 10.Rc1 (10.cd5 ed5 11.0-0 0-0=) 10...a5 (10...0-0 11.0-0=) 11.0-0 (11.d4 Bb7+=) 11...e5 (11...0-0!?=) 12.cd5+– e4 The passed pawn on d5 quickly leads to threats (12...Bb7 13.Nc4 e4 14.Nh4+–) 13.Nd4 Nd5 14.Nf5 Bf6 15.Ng7 Bg7 16.Bg7 Rg8 17.Qb3 (17.Bb2 N7f6 18.f3 Bh3+–) 17...N7f6 18.Bf6 Bh3 The mate threat is Rxg2 19.g3 Nf6 20.Rfd1 0-0-0 (20...Qb7 21.Qb2 Ng4 22.Nc4+–) 21.d4 Rg5 (21...ed3 22.Rd3 Qb7 23.Rd8 Rd8 24.f3+–) 22.dc5 (22.Qb2 Bg4+–) 22...Rd1+– 23.Bd1 (23.Qd1 Rd5 24.Qb3 Rc5 25.Rc5 Qc5+–) 23...Be6 24.Qb2 Rc5 25.Rc5 Qc5 (continuation unknown, 62 moves) ½–½. Schiffler,Leonhard – Kiel, corr, 1950.

7.d4 ab5 8.cd5 0-0 9.de6 Be6 10.Bb5 Ra2 11.Ra2+= Ba2 12.0-0 Nc6 13.dc5+/– Bc5 14.Qc2 ½–½. aspasio (2210) – backgammon (2220), ICC, 1999.

6.a4 Bb7 7.Be2 Bd6 8.0-0 Nbd7 9.d3 e5 10.Nbd2 0-0 11.h3 h6 (11...a6 12.ba6 Ba6 13.c4=+) 12.Nh2 (12.Nh4 a6=) 12...Re8=+ 13.Ng4 Ng4 14.Bg4 Qg5?? (better 14...Nf6=+) 15.Bd7+- Re7 16.Bc6 (16.Qg4 Qg4 17.Bg4 a5+-) 16...Bc6 17.bc6 Rc8 (17...Qg6 18.c4 dc4 19.Nc4+-) 18.Nf3 (18.Qf3!? d4+-) 18...Qf6 19.a5 (19.c4 d4+-) 19...Rc6 20.ab6 (20.c4 dc4 21.dc4 Qe6+-) 20...Rb6 21.Bc3 d4 22.ed4 (22.Ba5 Rb8+-) 22...ed4 23.Bd2 Reb7 24.Re1 g5 (24...Kh7 25.Ra2+-) 25.Re4 Qg6 26.Qe1 Rb2 (26...f5 27.Re8 Kg7 28.Ra8+-) 27.Rc1 (27.c3 c4+-) 27...R7b5 (27...a6 28.c3+-) 28.Ne5 (better 28.c3!? Rb6+-) 28...Be5 29.Re5 a5?! (29...Kg7+-) 30.Ba5 Qf6 (30...Kh7 31.Bd8+-) 31.Re8 Kh7 32.Qe4 (32.Bc7 Qg6+-) 32...Qg6 33.Qg6 (better 33.Qa8 Qg7+-) 33...Kg6 34.Bc7 Rb1 35.Bd6?? (better 35.Ree1 Rc1 36.Rc1+-) 35…Rc1-+ (35...Rc1 36.Kh2 Rc2 37.Rg8 Kh7-+) 0-1. Abdullaevich (1820) - lucky_star (2000), lichess.org, 2019.

6.c4 a6 7.a4 (7.cd5 ed5 8.ba6 Be7=) 7...ab5 (7...Bd6 8.Bf6 Qf6 9.Nc3=) 8.ab5 Ra1 9.Ba1 dc4 10.Na3 Be7 11.Nc4 0-0 12.Qa4 (12.d4 cd4 13.Qd4 Nbd7=) 12...Nfd7 (12...Bb7 13.Be2=) 13.Qa7 Bf6 (13...f6 14.Bd3+=) 14.Bf6 Nf6?? (better is 14...Qf6 15.Nd6 Qe7+=) 15.Qb8+– Nd5 (15...Nd7 16.Qg3+–) 16.Nfe5 (better is 16.e4 Nf6+–) 16...Nb4 (16...Qe7+–) 17.Nb6 Nc2 (17...Nd5 18.Nc8 Qc8 19.Qc8 Rc8 20.Bc4+–) 18.Kd1 Nb4 19.Nc6 (19.Bc4 Nd5 20.Nc8 Qc8 21.Qc8 Rc8+–) 19...Qf6 (19...Nc6 20.bc6 (worse is 20.Qc8 Qc8 21.Nc8 Rc8 22.bc6 Rc6+–) 20...Qe8 21.Bb5+–) 20.Qa8 Bd7 (20...Nc6 21.Qc6 Qd8+–) 21.Qf8! Kf8 22.Nd7 Kg8 23.Nf6 Kf8 24.Nb4 cb4 25.b6 gf6 26.b7 b3 27.b8Q Kg7 28.h4 b2 29.Qb2 1–0. bihyjt – ttban, internet, 2017.

6.c4 Be7 7.d4 dc4 8.Bc4 cd4 9.Bd4 0-0 10.Nbd2 Bb7 11.0-0 Nbd7 12.Qb3 Nc5 13.Qb2 Na4 (13...Qd6 14.Rfd1=) 14.Qb3 (14.Qc2 Nc5+=) 14...Nc5= 15.Qc2 Nfe4 16.a4 (16.Rfd1 Bd6+=) 16...Bf6 17.Rfd1 Bd4 (17...Nd2 18.Rd2 Bf3 19.Bc5 Ba1 A) 20.Bf8? Qg5 (20...Qf8?! 21.gf3 Rd8 22.Rd8 Qd8 23.f4=) 21.Bf1 Rf8-+; B) 20.Rd8 Rfd8 21.gf3 bc5 22.Bd3=) 18.Nd4 Qg5 19.N2f3 Qg4 (19...Qf6 20.a5=) 20.h3 (20.a5 Ng5 21.Ne1 Rac8+=) 20...Qh5= 21.Nc6 a5 (21...Bc6 22.bc6 Rac8 23.Bb5=) 22.Nfd4 (22.Rd4 Bc6 23.bc6 Ng5 24.Ng5 Qg5+/-) 22...Kh8 (22...Rfe8 23.Rac1=) 23.Be2+= Qg5 (23...Qh4 24.Bf3 Ng5 25.Bg4=) 24.Bf3 Nf6 25.g3 e5 (better 25...Rac8!?+=) 26.h4+- Qh6 27.Nf5 Qg6? (27...Bc6 28.Bc6 Qh5 29.Ba8 Ra8 30.Nd6+-) 28.Nce7 (better 28.Ne5!? Bf3 29.Ng6 (29.Nf3?! Rfe8+=) 29...fg6 30.Nd6 Bd1 31.Rd1+-) 28...Bf3+/- 29.Ng6 hg6 (29...fg6 30.Nd6+-) 30.Nd6+- Bd1 31.Rd1 Ra7 32.Nc4 Rc7? (better 32...Ncd7+-) 33.Nb6 Rb8 34.Nd5 Nd5 (34...Rcc8 35.Ne7 Rc7 36.Nc6+-) 35.Rd5 Ne6 36.Qd2 e4 (36...Ra8 37.Re5 Rc4 38.Qd5+-) 37.Qa5 Rbc8 (37...Kg8 38.Qb4+-) 38.Kg2 Rc1 39.b6 R8c2 (39...Nc5+-) 40.b7 Re1 (40...Rc8+-) 41.Rd8! Nd8 42.Qd8 Kh7 43.b8Q Ree2 (43...Rg1 44.Kg1 g5 45.h5 Rc1 46.Kg2 Rg1 47.Kg1 g4 48.Qh8) 44.Qh8 1-0. zembelek (2055) - alcorac (2045), Rated Blitz game, lichess.org, 2014.

6.c4 g6 7.d4 Bb7 (7...Bg7 8.Bd3=) 8.Nbd2 (8.cd5 ed5 9.dc5 bc5=) 8...dc4 (8...Bg7 9.dc5 bc5 10.cd5 ed5 11.Rc1=) 9.Bc4 Nbd7 10.0-0 Bd6 (10...Bg7 11.Qe2+=) 11.Ne5 (11.Be2 0-0+=) 11...0-0 12.Nd7 (12.Ndf3 a6+=) 12...Nd7 13.Qg4 (13.f4 a6+=) 13...h5 (13...cd4!? 14.Bd4 Qc7=) 14.Qe2 (14.Qh3 Qe7+=) 14...Qh4 15.h3 (15.f4 Rac8+=) 15...cd4 16.ed4 (16.Bd4!? Rfd8 17.Rac1+=) 16...Qf4= 17.g3 Qf5 18.Kh2 Nf6 (18...h4 19.Qd3=) 19.Rfe1 (better is 19.Rac1=) 19...Ng4?? (19...h4 20.Rec1 Kg7–/+) 20.hg4+– hg4 21.Ne4?? (better is 21.Kg1+–) 21...Be4+= 22.Qe4 Qf2 23.Qg2 Bg3 24.Kh1 Qg2 25.Kg2 Be1 26.Re1 Rfc8 (26...Rac8 27.Bb3 Rfd8 28.Kg3=) 27.Bb3 Kf8 (27...a5 28.d5 a4 29.Bf6 ab3 30.Rh1 Ra2 31.Kg3 Rc3 32.Bc3+/–) 28.Kg3 (28.d5 ed5 29.Bf6 a5+=) 28...a6 (28...a5 29.a4 (worse is 29.Kg4 a4 30.Ba3 Kg8–/+) 29...Ra7 30.Kg4=) 29.ba6 (29.d5 A) worse is 29...ab5 30.de6 fe6 31.Re6+= (31.Be6?! Rc2 32.Rb1 Rd8=); B) 29...ed5 30.Bd5 ab5 31.Ba8 Ra8=) 29...Ra6+= 30.Kg4 b5 (30...Ra5 31.Rh1 Ke8 32.Bc1+=) 31.Rh1 (31.Re5 Rb8=) 31...Ke7 (31...Rd8 32.Bc3+=) 32.Re1 (32.Bc1 Rc7+=) 32...b4 (32...f6 33.Rh1+=) 33.d5= ½–½. Streisel – Moebius, corr DDR, 1972.

6.d4 c4 7.Nbd2 (7.Be2 a6 8.ba6 Ra6+=) 7...Bb7 (7...Bd7 8.a4–/+) 8.Ne5 (8.e4 Ne4 9.Ne4 de4=) 8...Nbd7 9.f4 (9.Be2 Qc7 10.Ndf3 Ne5 11.de5 Ne4+=) 9...Ne5 (9...Qc7 10.Bc3+=) 10.fe5= Nd7 11.Qg4 (11.Qf3 Qc7 12.e4 de4 13.Ne4 Bd5=) 11...Qe7 (better is 11...a6 12.ba6 Ra6+=) 12.Be2? (12.a3 f6=) 12...f5 (better is 12...Qb4 13.Bc1 Qc3–+ (13...Qb5?! 14.0-0+=)) 13.ef6+= Nf6 14.Qh3 c3 (14...Qb4 15.Qe6 Kd8 16.0-0 Qb2 17.Rf6 Qa1 18.Rf1 Qf1 19.Nf1+–) 15.Bc3= Rc8 16.Bb2 (16.e4 Qc7 17.Qe6 Kd8=) 16...Rc2 17.Bc1 Bc8 18.Qg3 Rd2?? (better is 18...Qb4 19.Bd3 Rc3+=) 19.Bd2+– Ne4 20.Qe5 (20.Qb8!? Qb7 21.Qb7 Bb7+–) 20...Nd2+/– 21.Kd2 Qb4 22.Kd1 Qb2?? (better is 22...Qa4 23.Ke1 Bb4 24.Kf2 0-0 25.Bf3 Qa3+=) 23.Rc1+– Bb4 (23...Bd7 24.Qb8 Ke7 25.Qa7 Ke8 26.Qb8 Ke7 27.Qb6 Qa2+–) 24.Rc8 (24.Rc8 Kf7 25.Rf1 Kg6 26.Qh5#) 1–0. Roczniak,Jan – Barwicki,K, corr Poland, 1987.

6.Be2 Bb7 7.0-0 Bd6 8.a4 Nbd7 9.c4 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.0-0 b6 9.a4 Bb7).

6.Be2 Nbd7 7.0-0 Bb7 8.c4 Bd6 9.cd5 ed5 10.d4 0-0 11.Nc3 (11.dc5 bc5 12.Nc3 Rc8=) 11...Re8 (11...c4 12.Qc2=) 12.a4 c4 13.g3 (13.Qc2 Qe7=) 13...Rc8 (13...Qe7 14.Qc2+=) 14.Nd2 (14.Qc2 Bb4+=) 14...Bb4 (14...a5 15.ba6 Ba6 16.Bf3+=) 15.Qc2 Nf8 (15...Qe7 16.Bf3+=) 16.Bf3 (16.Ba3 Ba5=) 16...Ne6 (16...Qd6 17.Rfc1+=) 17.Bg2 Ng5 18.Rae1 (18.Qf5 Nge4 19.Nde4 de4=) 18...Qd7+= 19.Nf3 Nf3 20.Bf3 ½–½. Dettmann,Holger – Kross,Gunnar, Landesliga2 West9900, 1999.

6.Be2 Be7 7.0-0 0-0 8.d3 Bb7 9.c4 dc4 10.dc4 Qd1 11.Rd1 Rd8 12.Rd8 Bd8 13.Ng5 h6 14.Bf3 Bf3 15.Nf3 Nbd7 16.Nc3 Bc7 17.Rd1 Rd8 18.e4 e5 19.Re1 Re8 20.Nh4 g6 21.Nf3 Bb8 22.Nd2 Kg7 23.Rd1 Nf8 24.Nf1 Ne6 25.Ne3 Nd4 26.f3 Bc7 ½–½. Stubbs – Isgro, Telecomm 1995.

7.Bd3 Bd6 8.0-0 Nbd7 9.Nc3 0-0 10.cd5 Bd5 (10...ed5 11.Qc2=) 11.Nd5+= ed5 12.Qc2 g6 13.Be2 Re8 14.d3 Qc7 15.h3 Be5 (15...a6 16.a4=) 16.Ne5+= Ne5 17.a4 a5 (17...Ned7 18.a5+=) 18.ba6+– Ra6?? (better 18...Ned7+–) 19.Be5+– Qe5 20.d4 Qc7 (20...cd4 21.Ba6 de3 22.Rae1+–) 21.Ba6 1–0. GuestVCMH – ulibro, freechess.org, 2019.

7.d4 cd4 8.Bd4 Nbd7 9.Nbd2 Bd6 10.cd5 e5 11.Bc3 Nd5 12.Nc4 Will e5 fall? (12.Bb2 0-0=) 12...Qe7 (12...Be7 13.Bb2=) 13.Nd6 (13.e4 Nc3 14.Nd6 Kf8=) 13...Qd6 14.Be2 (14.Bb2 Rc8=) 14...0-0 (14...e4!? 15.Nh4 Qh6-/+) 15.0-0= Qe7 (15...e4 16.Nh4 Qe6 17.Bd4=) 16.Bb2 Rac8 17.a4 (17.Qa4 Rfd8+=) 17...f6 (17...Rfd8 18.a5=) 18.Ba3+= Nc5 19.Bc4 Qd7 20.e4 (20.Rc1 e4 21.Nd4 Rfd8+=) 20...Ne4= 21.Bd5 Bd5 (21...Qd5 22.Bf8 Kf8 23.Re1=) 22.Bf8+= Kf8 23.Rc1 Rc1 (23...Nc5 24.Rc3+=) 24.Qc1+= Nc5 25.Rd1 Qe6 26.Qa3 (26.Nh4 Be4+= (26...Na4? 27.Qc7+-)) 26...Kf7 27.a5 g5 (27...Bc4 28.ab6 Qb6 29.Ra1 Bb5 30.Qa7 Qa7 31.Ra7 Nd7 32.Nd2+=) 28.ab6 ab6 29.Qa7 Kg6 30.Qa3 g4 (30...Kf7!?=) 31.Ne1 f5 (better 31...Bc4!? 32.Qb4 Bb3+/-) 32.Nd3+- Nd3 33.Qd3 Bc4? Black intends e4 (33...Bb3 34.Qd7 Qd7 35.Rd7+-) 34.Qb1 (better 34.Qd8 Qg8 35.Rd6 Kh5 36.Qe7+-) 34...Bd5 Black plans e4 35.Qb4 e4 36.Qd4 Bc4 37.Qd6 Kf7?? (better 37...Qf6 38.Qf6 Kf6 39.Rd6 Ke7 40.Rb6 Bd3+-) 38.Qc7 (38.Qc7 Kf6 39.Rd6+- (39.Qh7?! Bb5 40.Rd8 Qe7 41.Qh6 Ke5 42.Qh8 Ke6+-)) 1-0. finnforce (2300) - paoloone (2065), ChessWorld.net, 2010. (=1.Nf3 Nf6 2.b4 e6 3.b5 d5 4.Bb2 c5 5.e3 b6)

7.Na3 Bb7 8.Nc4 Be7 9.Nce5 0-0 10.Qc2 h6 11.Bd3 Nbd7 12.Nc6 Bc6 13.bc6 Qc7?? (13...Nb8 14.Ne5 Bd6=) 14.cd7+– Nd7 15.0-0 Rfd8 16.Bh7 (16.Rac1 Bf6+–) 16...Kh8 17.Be4 Rac8 18.Rfc1 Nf6 (18...c4 19.Rab1+–) 19.Rab1 Qd7 20.Ne5 Qd6 (20...Qe8 21.Bb7 Rc7+–) 21.Nf7 (21.Nf7 Kg8 22.Nd6 Rd6 23.Bf6 Bf6 24.d4+–) 1–0. usingprogram (2070) – woka30, kurnik, 2011.

7.Bc4 Bb7 8.0-0 Bd6 9.d4 Nbd7 10.Nbd2 0-0 (10...Rc8 11.Rc1=) 11.Qb3 (11.Qe2 cd4 12.Bd4 e5=) 11...cd4 12.ed4 (12.Bd4 e5 13.Bc3 Nc5=) 12...Bd5 (12...Bf4 13.Rfd1=+) 13.Bd5 Nd5 14.Ne4 Be7 (14...Bf4 15.Bc1=) 15.Ne5 Ne5 16.de5 Rc8 (16...Qd7 17.Rad1=) 17.Rfd1+= Qe8 18.Nd6 (18.Rac1 Rc1 19.Bc1 Qc8+=) 18...Bd6= 19.ed6 Qd7 20.Be5 f6 21.Bg3 Rc5 22.a4 Rfc8 23.Re1 (23.Rd2!?=) 23...Rc3 24.Qa2 (24.Qd1=+) 24...R3c5 (24...Rc2!? 25.Qb3 R8c3–/+) 25.Rad1 (better 25.Qb3!?=) 25...Nc3 26.Qb3 (better 26.Qe6!? Qe6 27.Re6 Nd1 28.d7=) 26...Nd1–+ 27.Rd1 Rc1 28.Qf3 (28.Qd3 a6! 29.ba6 Qa4–+) 28...Rd1 (better 28...a6!? 29.h3 ab5 30.ab5 Rd1 31.Qd1 Qb5 32.Bf4–+) 29.Qd1 e5 30.Qd5 (30.f4 e4–+) 30...Kf8 (30...Qf7 31.Qd1–+) 31.f3 (31.f4 e4!–+) 31...Rc5 (31...a6 32.ba6 Qa4 33.Be1–+) 32.Qa8 (32.Qd1 Rc4 33.Bf2 Rc8–+) 32...Kf7 33.Bf2?? (33.h4–+) 33…Rc1 (33...Rc1 34.Be1 Re1 35.Kf2 Rd1–+) 0–1. GuestRTFM – GuestMWRG, freechess.org, 2018.

7.Bc4 Bb7 8.0-0 Nbd7 9.d3 g6 (9...Bd6 10.Nbd2=) 10.Nbd2 Bg7 11.Bb3 (11.Ne4 Qe7+=) 11...0-0= 12.Nc4 Bf3 (12...Qc7 13.Qe2=) 13.Qf3+= (worse is 13.gf3 Nd5+=) 13...Qc7 14.Rad1 Rad8 15.e4 h6 16.Qh3 (16.d4 Nh5+=) 16...Kh7 (16...a6 17.ba6 b5 18.Ne3+=) 17.Bc2 (17.f4!?+/–) 17...Ng8 18.Bg7 Kg7 19.f4 f5 20.e5 Rf7 (20...Ne7!?+/–) 21.Nd6+– Re7 22.Bb3 Nf8 23.Qg3 (23.d4 cd4 24.Rd4 Red7+–) 23...Kh7 (23...Rd6 24.ed6 Qd6 25.Rde1+/–) 24.h4 (24.d4!?+–) 24...Rd6+/– 25.ed6 Qd6 26.Qe1 Nf6 27.Rd2 Ng4 28.Bd1 (28.Rf3 Qd7=) 28...Qd4= 29.Kh1 Ne3 30.Rf3 Nd1 (30...Nd5 31.Qf2=) 31.Qd1+= Nd7 32.Re2 Nf6 33.Qb3?? Attacks the backward pawn on e6 (33.Qe1 Qd7+=) 33...Ng4?? (better is 33...Qa1 34.Kh2 Ng4 35.Kg3 Qg1–+) 34.g3 Qa1 35.Kg2 Kg7 36.Qb2 (36.Re6 Re6 37.Qe6 Qb2 38.Kg1 Qh2 39.Kf1 Qh1 40.Ke2 Qg2 41.Ke1 Qf3 42.Qe7 Kg8 43.Qe8 Kh7 44.Qd7 Kh8 45.Qe8 Kg7 46.Qe7 Kg8 47.Qe8 Kg7 48.Qe7=) 36...Qb2 37.Rb2 Rd7 38.Rc2 Rd4 39.Rc4 Kf6 40.Rd4 cd4 41.Kg1 e5 42.Rf1 e4 43.de4?? (better is 43.Rc1 Ne3 44.Rc6 Kf7 45.Kf2+=) 43...fe4–+ 44.Rc1 Kf5 45.Rc7 d3–+ 46.Rd7? Ke6 47.Rd4 e3 48.Kf1 Nf2 49.Ke1 d2 50.Ke2 d1Q 51.Rd1–/+ Nd1 52.Kd1 Kf5 53.Ke2 Kg4?? 54.Ke3+/– Kg3 55.h5! gh5 56.f5 h4 57.f6 h3 58.f7 h2 59.f8Q h1Q 60.Qg7 Kh2 61.Qh6 Kg2?? 62.Qh1 (better is 62.Qg6 Kh3 63.Qh5 Kg3 64.Qh1 Kg4 65.Qf3 Kg5 66.Qf7 a6 67.Ke4 ab5 68.Qg7 Kh4 69.Kf4 b4 70.Qg4#) 62...Kh1 63.Kd4 Kg2 64.Kd5 Kf3 65.Kc6 Ke4 66.Kb7 Kd5 67.Ka7 (67.Ka7 Kc5 68.Ka6+–) 1–0. Junghaenel,Dieter (1685) – Mueller,Guenter, Brandenburg Seniors op, 2001.

7.Bc4 Bb7 8.0-0 Be7 9.d4 0-0 10.Nbd2 Nbd7 11.Qb3 Nd5 12.e4 N5f6 13.Ng5 (13.Qe3 cd4 14.Bd4 Nc5+=) 13...h6 (13...cd4 14.Bd4 h6 15.Nf7 Kf7 16.Be6 Ke8 17.Rad1=) 14.Nf7 Kf7 (14...Rf7? 15.Be6 Qf8 16.e5+– (16.Bf7?! Qf7 17.Qf7 Kf7+–)) 15.Be6 Ke8 16.Qg3 (16.d5 a6=) 16...g5 (16...Be4? 17.Ne4 g5 18.Nf6 Rf6 19.Qh3+–) 17.d5 Rh8 (better 17...Qb8=) 18.d6+– Nf8 (18...Bf8 19.e5 Nd5 20.Qb3+–) 19.de7 Qe7 20.Bf5 (better 20.Bd5 Rd8 21.Bb7 Rd2 22.Bc6 Kf7 23.Bc3+–) 20...Rg8? (20...Ne6+–) 21.Nc4 Rd8 22.Rad1 Ne4 (22...Ng6 23.Rd8 Qd8 24.Nd6 Ke7 25.Nb7 Nf4+–) 23.Rd8 Qd8 24.Qe5 Qe7 (24...Kf7 25.Be4 Be4 26.Qe4 Rg7 27.Qb7 Qe7 28.Qe7 Ke7 29.Bg7 h5+–) 25.Qb8 Kf7 26.Ne5 Kg7 27.Ng6 (27.Ng6 Nf6 28.Ne7+–) 1–0. GuestFQTS – jkalle, freechess.org, 2018.

7.Bc4 Bb7 8.Nc3 Be7 9.Ne2 Bf3 10.gf3 0-0 11.Rg1 Bd6 (11...a6 12.Qa4=) 12.f4 g6 (12...Re8 13.Nc3=) 13.Ng3 a6 14.a4 a5 15.Qb3 Nbd7 (15...Qe7!?+=) 16.Be6!+– Rc8? (16...fe6 17.Qe6 A double attack) 17.Nf5?? (17.Bd7 Nd7 18.Nf5 Bf4 19.ef4 Re8 20.Kf1 c4+–) 17...fe6? (better 17...Bf4 18.ef4 Qe8+–) 18.Qe6+– (18.Nd6?! c4 19.Qc2 Rc7 20.Rg6 Kh8+–) 18...Kh8 19.Nd6 (worse 19.Qd6 gf5 20.Qd5 Qe8=+) 19...Rb8 (19...Rc7 20.f5 c4 21.fg6 Nc5 22.Bf6 Rf6 23.Qe8 Rf8 24.Nf7 Rcf7 25.Qd8 Rd8 26.gf7 Rf8+–) 20.Nf7 Rf7 21.Qf7 Rc8 (21...Qe8 22.Bf6 Nf6 23.Qf6 Kg8 24.f5+–) 22.Rg3 (better 22.f5 Qf8 23.Qd7 Rd8+–) 22...c4 23.f5 (better 23.Bd4 Rc7 24.Rh3+–) 23...Rc7 (23...Qf8 24.Qd7 c3 25.Bc3 Rc3+–) 24.fg6 Qg8 25.g7 (25.g7 Qg7 26.Qg7) 1–0. yodamo – JPM, ChessWorld.net, 2009. (=1.Nf3 b6 2.b4 e6 3.Bb2 Nf6 4.b5 d5 5.e3 c5 6.c4 dc4)

7.Bc4 Bb7 8.d4 Be7 9.0-0 0-0 10.Nbd2 Nbd7 11.Qb3 Ne4 12.Ne4+= Be4 13.Be6 (13.Rad1 Bf3 14.gf3 cd4 15.Bd4 Rc8=) 13...Bf3= 14.gf3? (14.Bd7 Bg2 15.Kg2 Qd7 16.dc5 Qg4 17.Kh1 Qf3 18.Kg1–/+) 14...fe6–+ 15.Qe6 Kh8 16.f4 cd4 (16...Rf6 17.Qd5–+) 17.Bd4 Bf6 (17...Nc5 18.Qg4 Bf6 19.Bc5 bc5 20.Rac1–+) 18.Rfd1–/+ Qe8 19.Qe8 Rfe8 20.Kg2 Nc5 21.Bf6 (21.Kf3 Rad8–/+) 21...gf6–+ 22.Kf3 (22.Rd4 Rad8 23.Rad1 Rd4 24.ed4 Rd8–+) 22...Rad8 23.Rac1 Kg7 24.Rd4 (24.Rg1 Kf7–+) 24...Ne6 (24...Rd4 25.ed4 Ne6 26.Rd1–+) 25.Rd8 Rd8 (25...Nd8?! 26.Rc7 Nf7 27.Ra7=) 26.Rc6 Kf7 27.h4 (27.f5 Nc5–+) 27...Rd7 (27...Rd5 28.a4–+) 28.a4 (28.f5 Nd8 29.Rc2 Nb7–+) 28...Rc7 (28...f5 29.Rc2–+) 29.Kg4 (29.f5 Rc6 30.bc6 Nc7–+) 29...Ke7 (better 29...Rc6 30.bc6 a5–+) 30.Kh5? (better 30.e4–+) 30...Rc6 31.bc6 Nf8 (better 31...a6!? 32.Kg4–+) 32.Kh6 a6 33.c7 Kd7 34.Kg7 Ne6 35.Kf6 Nc7 36.h5 (36.Ke5!?–+) 36...b5 37.ab5 ab5 38.Ke5 Ne6 39.f5 (39.h6 b4 40.Ke4–+) 39...Ng7 40.h6 Nf5?? (better 40...Ne8 41.e4 Nd6–+) 41.Kf5+– b4? (41...Ke7!?+–) 42.Ke4+– b3?? (42...Ke6+–) 43.Kd3 b2 (43...Ke6+–) 44.Kc2 b1Q 45.Kb1 Ke6 46.Kc2 (46.e4 Kf7 47.Kc2 Kg6+–) 46...Kf6 47.Kd3 Kg5 48.Ke4 Kh6 49.Kf5 Kg7 50.e4 Kf7 1–0. GuestTRLR – PaulFang, freechess.org, 2020.

7.Bc4 Bb7 8.Be2 Nbd7 9.0-0 Bd6 10.h3 (10.Na3 0-0=) 10...0-0 11.d3 (11.d4 a6=) 11...e5 12.Nbd2 Qc7 13.Nc4 Will e5 fall? 13...Be7 (better 13...a6!? 14.ba6 Ba6=) 14.Nfe5+– 1–0. GuestZSWT – GuestFZFX, freechess.org, 2016.

7.Bc4 Be7 8.0-0 0-0 9.a4 (9.Na3 Bb7+=) 9...Bb7= 10.Be2 Nbd7 11.d4 (11.Qc2 Nd5=) 11...Rc8 12.Nbd2 cd4 13.Bd4 Nc5 14.Rc1 Nfe4 (14...Nd5 15.Nc4+=) 15.Ne4 Ne4 16.Ne5 Rc1 17.Qc1 Bf6 (17...Bd6 18.Nc6 Qc7 19.f4+=) 18.Nc6+= Qd5 (better is 18...Qc7!?+=) 19.f3 Ng5?? (better is 19...Qa2 20.Bc4 Qa4 21.fe4 Bc6 22.Bf6 Bb5 23.Bb5 Qb5+–) 20.Bf6 gf6 (20...Bc6 21.bc6 gf6+–) 21.Ne7 (21.Ne7 Kg7 22.Nd5 ed5 23.Qc7+–) 1–0. pierre – anony, internet, 2015.

7.Be2 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5 7.Be2 Nbd7).

7.Be2 Bd6 8.0-0 Bb7 9.a4 Rc8 10.d4 0-0 11.Nbd2 Qc7 12.Rc1 Qb8 13.Qb3 e5 14.de5 Ne5 15.Rfd1 Rcd8 16.cd5 Bd5 17.Qa3 Nf3 18.Nf3 Bf3 19.Bf3 Bh2 20.Kh1 Be5 21.Qa1 Bb2 22.Qb2 Rd1 23.Rd1 Rd8 24.Rd8 Qd8 25.Qe5 Kf8 26.Kg1 Ne8 27.Qf5 g6 28.Qe5 Kg8 29.g4 Qc8 30.Qe7 Nc7 31.g5 Qb8 32.Bc6 Qc8 33.Kf1 Qh3 34.Ke1 Qh2 35.Qd8 ½–½. Dluhosch – Schmitt, corr BdF 1985.

7.Be2 g6 8.0-0 Bg7 9.d4 Bb7 10.Nbd2 0-0 11.Rc1 Ne4 12.Qb3 Re8 13.Rfd1 Nd2 14.Nd2 dc4 15.Bc4 Qg5 16.Bf1 Rec8 17.Qd3 Rc7 18.Ne4 Qe7 19.Ng3 Rac8 20.Qa3 Ba8 21.Rd2 Qg5 22.Rdc2 h5 23.Qd3 h4 24.Ne4 Be4 25.Qe4 Nf6 26.Qf3 Nd5 27.a4 cd4 28.Rc7 Rc7 29.Rc7 Nc7 30.Bd4 Bd4 31.ed4 Nd5 32.Qb3 Qg4 33.Qc4 Qd1 34.h3 Qa1 35.Kh2 Qe1 36.Qe2 Qe2 37.Be2 Nc3 38.Bc4 Na4 39.d5 Nb2 40.Bb3 ed5 41.Bd5 Nd3 42.Kg1 Nf4 43.Bc4 Kf8 44.Bf1 Ke7 45.g3 Ne6 46.Kg2 Nd4 47.gh4 Kd6 48.Bc4 Ne6 49.h5 gh5 50.Kg3 Kc5 51.Be2 f6 52.Bh5 Kb5 53.Bf7 Ng7 54.Kf4 Kb4 55.h4 a5 56.h5 Nh5 57.Bh5 a4 58.Kf5 a3 59.Bf7 Kc3 60.Kf6 b5 61.f4 b4 62.f5 b3 63.Bb3 Kb3 64.Ke7 a2 65.f6 a1Q 66.f7 Qe5 0–1. Geisensetter – Glotz, corr DDR.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Bd6 10.0-0 Bd7 (10...Nbd7 11.d4=) 11.c4 0-0 12.d4 dc4 13.Bc4 Qc7 14.Nbd2 (14.dc5 Qc5 15.Bf6 gf6+=) 14...h6 (14...cd4!? 15.Bd4 e5=) 15.dc5+– Bc5 16.Bf6 gf6 17.Qb3 Bc8 18.Ne4 Be7 19.Ng3 (19.Ra1 Nd7+=) 19...Nd7 (19...Bb7 20.Rc1+=) 20.Nd4 Ne5 21.Be2 Bb7 22.f4 Bd5 23.Qb1 Nc4 24.Bc4 (24.Rc1!?+–) 24...Qc4+= 25.Rc1 Qa2 (25...Qa4!?+=) 26.Qa2+– Ba2 27.Ne4 (27.Rc7!? Bd6 28.Rc6+–) 27...Bd5+= 28.Nc6 Ba3 (28...Be4!? 29.Ne7 Kg7=) 29.Nf6+– Kg7 30.Nh5 (better 30.Rc3!? Kf6 31.Ra3+–) 30...Kg6= 31.Ra1 (better 31.Rc3!? Bc6 32.Ra3 Bb5 33.g4=+) 31...Bc5–/+ 32.g4 Be3 33.Kf1 Bc6 34.bc6 Rc8 35.Ke2 Bc5 36.Kd3 (36.Rd1 Rc6 37.Rd8 f5 38.Rg8 Kf7 39.Rg7 Kf8=+) 36...Rc6–/+ 37.Ra8 f5 38.Rg8 Kf7 39.Rg7 Kf8 40.h3 Be7 (better 40...Bb4!? 41.Rb7 Rc3 42.Ke2 Rh3–/+) 41.Rg6= fg4 42.hg4 b5 43.Rh6 b4 44.Rh8 Kf7 45.g5 (45.Rh7!? Kf8 46.g5+=) 45...b3 46.Rb8 (46.Rh7 Kg6 47.Re7 Rb6 48.Re6 Re6 49.f5 Kf5 50.Ng7 Ke5 51.Ne6 Ke6=) 46...Kg6–/+ 47.Ng3 Bd6 48.Rb3 Bf4 49.Ne4 Bg5 50.Ng5 Kg5 51.Ke4 Kf6 ½–½. CountFromHolland – saemi, playchess.de, 2003.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Nbd7 10.0-0 Bd6 11.c4 dc4 (11...0-0 12.d4=) 12.Na3 Qc7 (12...0-0 13.Nc4 Bc7 14.Qc2=) 13.Nc4 Be7 14.Nfe5 Ne5 (better 14...Bb7!?=) 15.Be5+/- (15.Ne5?! 0-0=) 15...Qd8 16.Qa1 Bb7 (16...Nd7 17.Bg7 Rg8 18.Bf3+/-) 17.Qa7+- Bd5 18.Bc7 Qa8 19.Qa8 Ba8 20.Ra1 Bd5 21.Nb6 0-0 22.Ra6 Bd8 (22...Bb3 23.Bc4 Bc4 24.Nc4+-) 23.Nd5 (23.Bd6 Bb6 24.Bf8 Kf8 25.Rb6 e5+-) 23...Nd5 24.Bd6 Be7 25.Be7 Ne7 26.b6 Rb8 (26...Nc6+-) 27.b7 Rb7 (27...f5 28.Ra8 Nc6+-) 28.Ra8 (28.Ra8 Rb8 29.Rb8 Nc8 30.Rc8) 1-0. Mely (2855) - HMAN (1920), ChessWorld.net, 2011.

7.0-0 a5 8.d3 0-0 9.Nbd2 Nbd7 10.c4 Qc7 11.h3 Bb7 12.Qc2 e5 13.cd5 Nd5 14.a3 Rae8 15.Nc4 e5 becomes the focus of attention 15...N5f6 16.e4 Bc8 17.Nfd2 Re7 18.Ne3 Rd8 19.Ndc4 Nf8 (19...Re6!?+=) 20.f4!+/– (worse is 20.Nd6 Rd6 21.f4 ef4 22.Rf4 Ne6 23.Rf6 gf6+/–) 20...ef4 21.Bf6 fe3 (21...gf6 22.Nd5 (22.Nd6?! Qd6 23.Nc4 Qd4 24.Kh1 Rb7=) 22...Qb8 23.Nd6 (worse is 23.Ne7 Be7 24.Rae1 Ne6+/–) 23...Qd6 24.Ne7 Qe7 25.Rf4+–) 22.Be7 Be7 23.Ne3 Bf6 24.Rf6! gf6 25.Nd5 Qe5 26.Rf1 Rd5 (26...Bh3 27.Nb6 (worse is 27.gh3 Qg3 28.Kh1 Qh3 29.Kg1 Qg3 30.Kh1 Qh3 31.Kg1 Qg3 32.Kh1 Qh3=; 27.Rf6 Rd5 28.Rf3 Qd4 29.Kf1 Bg2 30.Kg2 Rg5 31.Rg3 Rg3 32.Kg3 Qg1 33.Kh3 Ng6–+) 27...Ne6 28.Qd2+/–) 27.ed5+/– Bh3 28.Bf3 (28.gh3?! Qg3 29.Kh1 Qh3 30.Kg1 Qg3 31.Kh1 Qh3 32.Kg1 Qg3 33.Kh1 Qh3=) 28...Bd7 29.a4 Qd4 30.Qf2 (30.Rf2 Qa1 31.Qd1 Qd4+/–) 30...Qa4+= 31.Qg3 (31.Be4!?+=) 31...Ng6= 32.Qb8 Kg7 33.Be4 (33.Qb6!? Qd4 34.Rf2=) 33...Qd4+= 34.Kh1 Bb5 Attacks the isolani on d3 (better is 34...c4!? 35.Bg6 hg6 (35...fg6?! 36.Qb7 Qg4 37.Qb6 Qh4 38.Kg1 cd3 39.Qc5 Bb5 40.Qb5 Qd4 41.Rf2=) 36.dc4 Qc4–/+) 35.Qb6+= Bd7 (35...Bd3 36.Bd3 Qh4 37.Kg1 Qd4 38.Rf2 Qd3 39.Qf6 Kg8 40.Qf7 Kh8 41.Qf6 Kg8 42.Qd8 Kg7 43.Qc7 Kh6 44.Qc5 Qd1 45.Rf1+–) 36.Qd6 Bg4 37.Qg3 Be2 (37...h5!?=) 38.Rc1 Bh5 (38...a4!?+=) 39.d6+– Qb2?? (better is 39...Be2+–) 40.Rc5 Qa1 1–0. Mittelbachert,Ulrich – Funke,Eckhard, Ruhrgebiet VK4–chT, 1996. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.b5 c5 5.e3 b6)

7.0-0 Bb7 8.a4 a5 9.ba6 Ba6 10.Nc3 Be2 11.Qe2 0-0 12.Nb5 Ne8 13.Rfb1 Nd7 14.c4 Ndf6 15.h3 dc4 16.Qc4 Nd5 17.d4 Nb4 (17...Rc8 18.e4 Nf4 19.Re1 cd4 20.Qd4+=) 18.Rd1 Qe7 19.a5 (19.e4!?+=) 19...Ra5 20.Ra5 ba5 21.Nd6 Qd6 (21...Nd6 22.Qc5 Rb8 23.d5 ed5 A) 24.Qa5? Nc4 25.Qa1 Nc2–+ (25...Nb2?! 26.Qb2 Qe6 27.Nd4+=); B) 24.Be5+=) 22.Qc5+= Qc5 23.dc5 Nc6? (better is 23...Nc7!?+=) 24.Ne5 Ne5 25.Be5 f6 26.Bb8 f5 27.Rd8 (better is 27.c6 Nf6 28.Bc7+–) 27...Nf6= 28.Bc7 a4 29.c6 Nd5 30.Ba5?? (better is 30.Rd7 Nc7 31.Rc7=) 30...Ne7?? (better is 30...Rd8 31.Bd8 a3–+) 31.c7+– Nc8 (31...a3 32.Bb4 a2 33.Rf8 Kf8 34.c8Q Kf7+–) 32.Bb4 (32.Bb4 Kf7 33.Rf8 Kg6 34.Rc8+–) 1–0. Bigalke,Andre (2025) – Moeller,Fritz (1640), Hamburg League qual, 2005. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.b5 c5 5.e3 b6)

7.0-0 Bb7 8.c4 dc4 (8...0-0 9.cd5 ed5 10.Be5=) 9.Bc4 (9.Na3 a6=) 9...0-0 10.d4. tsodikovich (1730) – egaadam123 (1655), gameknot.com, 2015.

6.a4 Nbd7 7.d3 cd3 8.Bd3 Bd6 9.c4 e5 10.Be2 e4 (10...Bb4 11.Nc3=) 11.Nfd2 Ne5 (11...Nb6 12.cd5 Nbd5 13.Nc3=) 12.c5 (12.cd5 Bf5 13.Nc3 0-0+=) 12...Bb8 (12...Bc7 13.a5=) 13.Nb3 (13.Bd4 Bg4 14.f3 ef3 15.Nf3 Qe7=) 13...0-0 (13...Bg4 14.f3 ef3 15.gf3=) 14.Bd4 (14.N1d2 Qc7=) 14...a6 (14...Bg4 15.f3 ef3 16.gf3=) 15.Nc3 (15.ba6 ba6 16.N1d2 Nfg4=) 15…Re8 (15...ab5 16.ab5 Ra1 17.Na1=) ½–½. Kleinke,Uwe – Reinhard,Heinz H, corr DDR, 1980.

6.Nd4 Bc5 7.a4 (7.d3 e5 8.Nf3 Qa5 9.Bc3 Bb4+=) 7...a6 (7...0-0 8.Nf3=+) 8.ba6 (8.d3 ab5 9.Nb5 0-0=+) 8...Ra6 (8...Na6 9.Be2=+) 9.Nb5 Be7 (9...0-0 10.Qf3=+) 10.Be5= Bd6?? (better is 10...Nc6 11.Nc7 Kd7 12.Na6 Ne5=) 11.Nd6+– Rd6 12.Bd6 Qd6 13.Nc3 (13.d3 Qc7+–) 13...Bd7 (13...e5 14.d4+/–) 14.Be2 (14.Rb1 Qc6+–) 14...0-0 15.Qb1 Qc7 (15...Bc6 16.Nb5 Qe7 17.d4+–) 16.0-0 (16.a5 e5+–) 16...Na6 (16...Nc6 17.Nb5 Qa5 18.d4+/–) 17.Qb2 Nc5 18.Rfb1 Ra8 19.Qb6 (19.d4!? cd3 20.cd3 Ra7+–) 19...Qb6+/– 20.Rb6 Ra6 (20...e5 21.d4 cd3 22.Bd3+/–) 21.Ra6 (21.a5 e5+–) 21...ba6 22.Rb1 Kf8 23.a5 Bc6 24.Rb6 Bb7 25.d4 cd3 26.cd3 Nfd7 27.Rb4 Bc8? 28.d4 (28…Ke7 29.dc5 Nc5 30.e4 de4 31.Rc4+–) 1–0. Althoff,Guntram – Erler,Eckehard, Weilburg NBG op, 1995.

6.Nd4 Bd6 7.Ba3 =+.

6.Be2 Bb4 7.c3 (7.a3 Ba5=) 7...Ba5 (7...Bd6 8.0-0=+) 8.d3= cd3 9.Bd3 Qc7 (9...Nbd7 10.0-0=) 10.0-0 e5 (10...Nbd7 11.Nbd2 e5 12.Be2=+) 11.Be2 Nbd7 (11...Bg4 12.c4 Bf3 13.gf3 dc4 14.Qa4=) 12.Nbd2 (12.c4 dc4 13.Qc2 0-0=) 12...Bb6 (12...e4!? 13.Nd4 Ne5= (13...Bc3?? 14.Rc1+–)) 13.Rc1 (13.c4 e4 14.Nd4 Qe5+=) 13...Rb8 (13...e4!? 14.Nd4 0-0+=) 14.c4+/– d4 15.ed4 Bd4 (15...ed4!? 16.Nd4 0-0+/–) 16.Nd4+– ed4 17.Bd4 b6 (17...0-0 18.Re1+–) 18.Re1 (18.Nb3 0-0+–) 18...0-0 19.Bf3 Bb7 20.Re7 Bf3 21.Nf3 (21.gf3?! Qd6 22.Bf6 Nf6 23.Ra7 Rbd8+=; < 21.Qf3 Qd6 22.Bf6 Nf6+/–) 21...Rbd8 (21...Qf4 22.Be3 Qc7 23.Bg5+–) 22.Bf6 gf6 23.Nd4 Qf4 24.g3 Qg5? 25.f4 Qc5 26.Rd7! h5 27.Rd5 Rd5 28.cd5 Qd5 29.Nc6 Qb5 30.g4 Qa6 31.gh5 Qa2 32.Ne7 Kh8 33.Qd6 Qb2 34.Ng6! (34…Kh7 35.Nf8 Kh6 36.Rc6 Qa1 37.Kg2 Qb2 38.Kh3 Qb3 39.Kg4+–) 1–0. Diener,Rudolf – Hecker, corr DDR, (year?).

6.Be2 Nbd7 7.0-0 Bd6 8.d3 cd3 9.cd3 e5 10.Nbd2 Qe7 11.a4 0-0 12.Qc2 (12.a5 Re8=) 12...a6 13.Nh4 (13.Rfc1 Re8=) 13...Nc5 (13...Qe6 14.Nhf3=+) 14.d4= ed4 15.Bd4 Nfe4 16.Bc5 (16.Nhf3 Bg4 17.Rfd1 ab5 18.ab5 Ra1 19.Ba1 Rc8=) 16...Bc5 (< 16...Qh4 17.Bd6 Nd6 18.ba6+/–) 17.Nhf3 ab5 (17...Bf5 18.Bd3=+) 18.Bb5 (18.ab5 Bf5 19.Ne4 Rac8=) 18...Bd6 (18...Bf5 19.Rfc1=) 19.Nd4 Bg4 20.Ne4 de4 (< 20...Qe4 21.Bd3 Qe5 22.g3= (< 22.Bh7 Kh8 23.g3 f5–/+)) 21.Be2 (21.h3 Rfc8 22.Qd2 Bb4=+) 21...Qe5 22.g3 Rfc8 23.Qd1 Bh3 24.Bg4 Bg4 25.Qg4 g6 26.f4 Qd5 27.Qe2 Rc4 28.Qd1 Bc5–+ 29.Qe2 Bd4 30.ed4 Rca4 31.Ra4 Ra4 32.Rd1 Rd4 33.Rd4 Qd4 34.Kg2 Kg7 35.Qb5 b6 36.h4 f5 37.Qe8 Kh6 38.Qf8 Kh5 39.Qe7 h6 40.Qe6 Qd2 41.Kh3 Qd1 (42.Qa2 Qh1 43.Qh2 Qh2 44.Kh2 b5–+) 0–1. Curado,Manuel – Mackintosh,Iain, corr Portugal–Scotland, 1996.

6.Be2 Be7 7.0-0 0-0 8.d3 cd3 9.cd3 a6 10.a4 Nbd7 11.Nbd2 ab5 (11...Bd6 12.e4 e5 13.ed5=) 12.ab5+= Ra1 13.Ba1 Qa5 14.d4 Nb6 15.Qb1 Bd7 Attacking the isolated pawn on b5 16.Rc1 (16.Nb3 Qa3=) 16...Rc8=+ 17.Rc8 (17.Nb3 Rc1 18.Qc1 Qb4=+) 17...Nc8= 18.Nb3 Qb4 19.Qc2 Nd6 Increasing the pressure on the isolated pawn on b5 20.Bc3 Qa4 21.b6 Qc6 (better 21...Bb5!? 22.Bd1 Qa6–/+) 22.Ne5+= Qc8 (22...Qb6? 23.Ba5 Qa7 24.Nd7 Nd7 25.Qc7+–) 23.Bd3 (worse 23.Nd7 Nd7 24.Bd3 g6=+) 23...Nde4 (23...Bb5 24.Bb4 Bd3 25.Qd3=) 24.Be1 Qc2 25.Bc2 Ba4 26.Be4 Bb3 (26...Ne4 27.Na5 Bd8 28.Nb7 Bb6 29.f3=) 27.Bd3 Ba4 (27...Bd6 28.f4=) 28.Kf1 (28.f3 Bd6 29.Bc3 Bb3+=) 28...Kf8 (28...Bd6 29.f4=) 29.Ke2 h6 30.Ba5 Ke8 31.Kd2 Nd7 32.f4 Ne5 33.fe5 Kd7 34.e4 (34.Kc3 Bg5=+) 34...Kc6 (34...de4!? 35.Be4 Bc6–/+) 35.ed5= ed5 36.Kc3 Bb5 37.Bc2 g5 (37...Bf1 38.Ba4 Bb5 39.Bb3=) 38.Bb3 (38.g3 h5+=) 38…Bf1= ½–½. Nemec,Zdenek – Nyvlt,Miloslav, corr CSR CF, 1989.

7.Na3 Be7 8.Ne5 (8.d3!? cd3 9.Bd3=) 8...0-0-/+ 9.Be2 ab5 (9...Nbd7!?-/+) 10.Nb5= (worse 10.ab5 Nbd7 11.Nf3 Nb6-/+) 10...Nc6 11.Nc6 (better 11.0-0!?=) 11...bc6-/+ 12.Nd4 c5 (better 12...Qc7!?-/+) 13.Nc6= Qd6 14.Ne7 Qe7 15.Bf6 (15.0-0!?=) 15...Qf6=+ 16.c3 h6 17.0-0 Bd7 Attacking the isolated pawn on a4 18.Bf3 Ra5 19.Qc2 Rfa8 20.Rfb1 g6 21.Qb2 Ra4 22.Ra4 Ra4 (22...Ba4 23.e4 Rd8 24.ed5 ed5 25.Qb6 Qb6 26.Rb6-/+) 23.Qb7 (better 23.Qb8!? Kg7 24.Qc7=) 23...Qd8-/+ 24.Bd1 (24.g3 Ra2-/+) 24...Ra8 (24...Ra2 25.Bf3-+) 25.g3 (25.e4 d4 26.Qb2 Bc6-/+) 25...Qc8 (better 25...Ra2!?-+) 26.Qc8 Rc8 27.Rb7 Be8 28.Bc2 Kf8 29.Ra7 (29.Kf1 e5-/+) 29...Rb8 30.Rc7?? (better 30.Ra2-/+) 30...Rb2-+ 31.Bd1 (31.Be4 de4 32.Rc5 Bb5-+) 31...Rd2 (better 31...Rb1 32.Kf1 Ba4 33.Rc5 Bd1 34.Kg2-+) 32.Bf3 Rd3 33.Rc5 Rc3 34.Rc8 (34.Kf1 Ke7 35.Ra5 Kd6-+) 34...Rc1 35.Kg2 c3 36.Be2 (36.e4 d4 37.Be2 Re1-+) 36...Ke7 37.Rc7 (37.Bd3 Bd7 38.Rc7 Kd6-+) 37...Kf6 (better 37...Kd6 38.Rc8 Bd7 39.Rd8-+) 38.Rc8 (38.f4 Ba4 39.Bd3 c2-+) 38...Ba4 Black intends c2 39.f4 (39.Ba6-+) 39...c2 40.Kf3 (40.Bd3 Rd1 41.Bc2 Rd2 42.Kg1 Bc2-+) 40...Ra1 41.Rc2 (41.Bd3 c1R 42.Rc1 Rc1-+) 41...Bc2 42.g4 (42.Kf2 Bd1 43.Bf1 Ra2 44.Kg1 Kf5-+) 42...Bd1 43.h4 (43.Bd1 Rd1 44.Ke2 Rh1-+) 43...Be2 44.Ke2 Ke7 (44...Rh1 45.Kf3-+) 45.h5 (45.Kf2 Rh1-+) 45...gh5 46.gh5 Rh1 47.Kf3 Rh5 48.Kg4 Rh1 49.Kg3 Kf6 50.Kg2 Ra1 51.Kf2 Kf5 52.Kf3 Ra8 (52...Ra2 53.e4 de4 54.Ke3 Ra3 55.Ke2 Kf4 56.Ke1 Ke3 57.Kf1 Kf3 58.Kg1 Ra1 59.Kh2 e3 60.Kh3 Rh1) 53.Kg3 Ke4 54.Kg4 (54.f5 Ke3 55.Kg4 d4 56.Kg3 d3 57.Kh3 d2 58.Kg3 Rg8 59.Kh2 d1Q 60.fe6 Qh5) 54...Ke3 55.f5 d4 56.fe6 (56.Kh4 d3 57.Kh3 d2 58.Kh4 d1Q 59.fe6 Kf4 60.ef7 Qg4) 56...d3 57.Kh5 (57.Kg3 d2 58.Kh2 d1Q 59.ef7 Ra2 60.Kg3 h5 61.f8Q Qg4) 57...d2 58.ef7 (58.Kh6 d1Q 59.Kg7 Qg4 60.Kf7 Ra6 61.Kf8 Re6 62.Kf7 Qg6 63.Kf8 Re8) 58...d1Q 59.Kh6 (59.Kg6 Qd6 60.Kh7 Qg3 61.f8Q Rf8 62.Kh6 Rh8) 59...Qg1 60.Kh7 (60.f8Q Rf8 61.Kh7 Qg4 62.Kh6 Rh8) 60...Rf8 61.Kh6 Rh8 0-1. Atotheking (1745) - OZYMA88NDIAS (1765), lichess.org, 2021.

7.ba6 A) 7...Ra6 8.d3 Qa5 9.Nfd2 cd3 10.Bd3 Ra8 11.Bb5 Bd7 12.c4 Qd8 13.0-0 Be7=; B) 7...ba6 B1) 8.Nc3 Nbd7 (8...Qa5 9.Be2 Nc6 10.Rb1 e5 11.Qc1 e4 12.Nh4 Rg8 13.f4 Bb4+=; 8...Bb4 9.Na2 Bd6 10.d3 cd3 11.Bd3 Qa5 12.Nc3 Nbd7 13.Qd2 Rb8+=; 8...Nc6 9.Be2 e5 10.0-0 Bd6 11.Rb1 Qc7 12.h3 0-0 13.d3 cd3+=) 9.Be2 Qa5 10.Ra2 e5 11.Ra1 Bc5 12.0-0 Rb8 13.Qc1 Bb4–/+; B2) 8.Be2 Nc6 (8...Nbd7 9.Nc3 Rb8 10.Rb1 e5 11.0-0 Qa5 12.Ng5 Bd6 13.Qe1 0-0+=; 8...Bd6 9.0-0 Nc6 10.Ba3 Rb8 11.d3 cd3 12.cd3 e5 13.d4 e4=; 8...Be7 9.d3 cd3 10.cd3 Nc6 11.Nbd2 Rb8 12.Rb1 0-0 13.0-0 Bd6=) 9.0-0 Rb8 10.Bc3 Ne4 11.Ra2 Nc3 12.Nc3 Bd6 13.Qa1 Qf6+=; B3) 8.d3 cd3 (8...Qa5 9.Bc3 Bb4 10.Bb4 Qb4 11.Qd2 Qb2 12.Qc3 Qc3 13.Nc3 cd3+=; 8...Nc6 9.dc4 Rb8 10.Ba3 Ba3 11.Ra3 0-0 12.cd5 Qa5 13.Nbd2 Nd5+=) 9.Bd3 Nc6 10.Nbd2 Rb8 11.Rb1 Nb4 12.Be2 Bd6 13.0-0 0-0=; C) 7...Na6 C1) 8.Be5 Nd7 (8...Bd7 9.d3 Qa5 10.Nbd2 cd3 11.Bd3 Nc5 12.0-0 Nd3 13.cd3 Ba4+=; 8...Nc5 9.Nc3 Ncd7 10.Bd4 Bc5 11.d3 Bb4 12.Be2 Qe7 13.0-0 e5+=; 8...Nb4 9.d3 Nc6 10.Bb2 Qa5 11.Bc3 Bb4 12.Qd2 e5 13.Bb4 Qb4+=) 9.Bf4 Be7 10.Be2 Bf6 11.Nc3 Bc3 12.dc3 Nac5 13.Qd4 f6–/+; C2) 8.Nc3 Bd7 (8...Bd6 9.Nb5 Bb4 10.Bd4 0-0 11.c3 Be7 12.d3 cd3 13.Bd3 Nc5=; 8...Nc5 9.d3 Qa5 10.Qd2 cd3 11.Bd3 Bd7 12.Ne5 Nd3 13.cd3 Bb4=; 8...Bb4 9.Be2 0-0 10.0-0 Qa5 11.Nb5 Bd7 12.Bf6 gf6 13.d3 c3=) 9.Nb5 Nc7 10.Qb1 Nb5 11.ab5 Ra1 12.Ba1 Qa5 13.Bf6 gf6+=; C3) 8.Bd4 Bb4 (8...Nc5 9.d3 cd3 10.Bd3 Bd7 11.Nc3 Na4 12.Na4 Ra4 13.Ra4 Ba4+=; 8...Bd7 9.d3 cd3 10.Bd3 Nc5 11.Nc3 Na4 12.Na4 Ra4 13.Ra4 Ba4+=; 8...Bd6 9.d3 cd3 10.Bd3 Nb4 11.0-0 Nc6 12.Bb2 e5 13.Bb5 Qc7+=) 9.c3 Bd6 10.d3 cd3 11.Bd3 Nc5 12.Bc5 Bc5 13.Qb3 Qc7+=; C4) 8.d3 cd3 (8...Qa5 9.Nfd2 cd3 10.Bd3 Bd7 11.0-0 Bd6 12.Na3 Qb4 13.Bf6 gf6=; 8...Nc5 9.dc4 Na4 10.Bd4 Bb4 11.Nfd2 dc4 12.Bc4 Bd7 13.0-0 Bc6=) 9.Bd3 Bb4 10.Bc3 Qa5 11.Bb4 Nb4 12.0-0 Nd3 13.Qd3 Bd7+=.

7.Nc3 Qa5 A) 8.d3 Bd7 (8...Nbd7 9.Qd2 Bb4 10.ba6 Ra6 11.Nd4 Nc5 12.Ndb5 Qd8 13.Ba3 Ra4–/+; 8...Bb4 9.Kd2 0-0 10.Rg1 e5 11.Ne5 d4 12.ed4 Nd5 13.dc4 Bc3–+; 8...cd3 9.cd3 Bb4 10.Qc2 Nbd7 11.Be2 e5 12.0-0 0-0 13.Rfc1 Re8=) 9.Qd2 Bb4 10.ba6 Na6 11.Ne5 Rc8 12.Rc1 cd3 13.cd3 Nc5–+; B) 8.Be2 Bb4 (8...Bd6 9.0-0 e5 10.Rb1 0-0 11.d3 cd3 12.cd3 Be6 13.Qe1 ab5=; 8...Nbd7 9.0-0 e5 10.Rb1 Bb4 11.Na2 Bd6 12.Nc3 Qc7 13.h3 0-0=; 8...Bc5 9.0-0 0-0 10.Nb1 Bb4 11.Bd4 b6 12.d3 cd3 13.cd3 Nbd7=) 9.0-0 0-0 10.Na2 Be7 11.Nc3 b6 12.d3 Bb4 13.Qd2 d4+=; C) 8.ba6 ba6 (8...Na6 9.Be2 Bb4 10.0-0 0-0 11.Nb5 Bd7 12.Bf6 gf6 13.d3 c3=; 8...Ra6 9.Nb5 Nc6 10.Bc3 Bb4 11.Nd6 Ke7 12.Nc8 Rc8 13.Bf6 Kf6+=) 9.Be2 Nc6 10.0-0 Rb8 11.Rb1 e5 12.Re1 Bd6 13.Ng5 0-0–/+; D) 8.e4 Bb4 (8...Bc5 9.ed5 ed5 10.Qe2 Be6 11.Ng5 Kd8 12.Ne6 fe6 13.g3 Bd4=) 9.e5 Ne4 10.Ne4 de4 11.Nd4 c3 12.Bc3 Bc3 13.Nb3 Qc7+=.

7.Nc3 ab5 A) 8.ab5 Ra5 (8...Ra1 9.Qa1 Nbd7 10.d3 cd3 11.Bd3 e5 12.Bf5 Bd6 13.0-0 0-0=) 9.Ra5 Qa5 10.Qa1 Qa1 11.Ba1 Nbd7 12.d3 cd3 13.Bd3 e5=; B) 8.Nb5 Be7 (8...Nbd7 9.d3 cd3 10.Bd3 Bb4 11.c3 Be7 12.c4 0-0 13.cd5 Nd5=; 8...Na6 9.Be2 Be7 10.0-0 Nc5 11.d3 Ra4 12.dc4 0-0 13.Ra4 Na4+=; 8...Nc6 9.Be2 Ne4 10.0-0 Nc5 11.Nc3 Bd6 12.d3 cd3 13.cd3 0-0=) 9.d3 cd3 10.Bd3 Na6 11.0-0 Nc5 12.c4 0-0 13.Bd4 dc4=.

7.Nc3 Qc7 A) 8.Rb1 Be7 (8...Nbd7 9.Be2 ab5 10.Nb5 Qd8 11.Ra1 Bb4 12.0-0 Qa5 13.Bd4 0-0=; 8...Bd7 9.Be2 Bd6 10.0-0 0-0 11.ba6 ba6 12.d3 cd3 13.Qd3 Nc6+=; 8...Bb4 9.ba6 ba6 10.Na2 Bd6 11.Bf6 gf6 12.d3 cd3 13.Bd3 Bd7=) 9.ba6 Na6 10.d3 Bb4 11.Nd4 Bd7 12.Ndb5 Bb5 13.ab5 cd3–+; B) 8.ba6 ba6 (8...Na6 9.Nb5 Qd8 10.Be2 Bd7 11.0-0 Nc7 12.Qb1 Nb5 13.ab5 Ra1=) 9.Rb1 e5 10.Nd5 Nd5 11.Be5 Bd6 12.Bd6 Qd6 13.Bc4 Be6+=; C) 8.Be2 Bb4 (8...e5 9.0-0 Bd6 10.a5 0-0 11.d3 e4 12.b6 Qe7 13.de4 de4+=; 8...Be7 9.d3 e5 10.dc4 dc4 11.0-0 Be6 12.ba6 ba6 13.Ng5 Bd7=; 8...Bc5 9.d3 cd3 10.Qd3 Nbd7 11.0-0 Nb6 12.a5 Nc4 13.ba6 Nb2=) 9.0-0 0-0 10.Na2 Be7 11.d3 Rd8 12.Qd2 Nbd7 13.Rfb1 Bd6=.

7.Nc3 Nbd7 8.Be2 (8.d3 Bb4 (8...Qa5 9.Qd2 Bb4 10.ba6 Ra6 11.Nd4 Nc5 12.Ndb5 Qd8 13.Ba3 Ra4–/+) 9.ba6 Qa5 10.Qd2 Ra6 11.Kd1 Nc5 12.Ra2 Na4 13.Ra4 Qa4–+; 8.ba6 ba6 (8...Ra6 9.Be2 Bb4 10.0-0 e5 11.Nb5 e4 12.Nfd4 0-0 13.Bc3 Bc3=) 9.Be2 Qa5 10.Qc1 e5 11.0-0 Bb4 12.Rb1 Rb8 13.Na2 Bd6+=) 8...Nc5 (8...e5 9.0-0 Bd6 10.d3 cd3 11.cd3 0-0 12.Rb1 Qc7 13.Rc1 Qa5=; 8...Bb4 9.0-0 e5 10.Rb1 0-0 11.ba6 ba6 12.d3 Qa5 13.Na2 cd3=; 8...Bd6 9.0-0 0-0 10.d3 cd3 11.cd3 e5 12.Rb1 Qe7 13.Qc2 Re8=; 8...ab5 9.Nb5 Bb4 10.0-0 Qa5 11.Bd4 0-0 12.d3 cd3 13.cd3 Ng4=) 9.0-0 Bd6 10.d3 cd3 11.cd3 Bd7 (11...0-0 12.Qc2 b6 13.Rfc1 e5=) 12.e4 (12.Ba3 Qa5 13.d4 Qc3=) 12...de4 (12...Bf4 13.e5 Ng4+/–) 13.de4 (13.Ne4 Be7+=) 13...Be7 (13...Qc7+=) 14.e5 Nfe4 15.Ne4 Ne4 16.Qd4 Nc5 17.Rad1 ab5 18.Qg4 0-0 19.Bb5 Qc7 20.Bd7 Nd7 21.h4 Rfd8 22.Rd4 Qc2 23.Rfd1 Nf8 24.Rd8 Rd8 25.Rd8 Bd8 26.Qb4 Qc7 27.h5 Be7 ½–½. Abreu Suarez,I (2055) – Gonzalez Moreno,JC (1700), Santa Cruz de Tenerife ESP, 2011.

7.d3 A) 7...ab5 8.ab5 Ra1 (8...Bb4 9.c3 Ra1 10.Ba1 Bd6 11.dc4 0-0 12.cd5 ed5 13.c4 Be6+=) 9.Ba1 Qa5 10.Bc3 Bb4 11.Qd2 Qa2 12.Qc1 Qa5 13.Qb2 Bc3=; B) 7...cd3 8.Bd3 Bd6 (8...Bb4 9.Nbd2 Nbd7 10.0-0 Nc5 11.Qb1 Qa5 12.Nb3 Nb3 13.cb3 Bd7+=) 9.0-0 0-0 10.c4 dc4 11.Bc4 Qe7 12.Nbd2 Rd8 13.Bf6 Qf6+=; C) 7...Qa5 C1) 8.Qd2 ab5 (8...Qd2 9.Nbd2 cd3 10.Bd3 Nbd7 11.c4 b6 12.cd5 Nd5 13.0-0 f6+=; 8...Bb4 9.c3 Be7 10.dc4 dc4 11.Na3 Ne4 12.Qd4 Bf6 13.Nc4 Bd4+/–; 8...Qd8 9.dc4 ab5 10.ab5 Ne4 11.Qd4 Ra1 12.Ba1 Qa5 13.Nbd2 f6+/–) 9.ab5 Bb4 10.c3 Qa1 11.Ba1 Ra1 12.Qc2 Bc3 13.Nfd2 Ba5+=; C2) 8.Nfd2 cd3 9.Bd3 Nbd7 10.c4 dc4 11.Bc4 Bd6 12.0-0 0-0 13.Nf3 Qc7=; C3) 8.c3 cd3 9.Bd3 Nbd7 10.0-0 Qc7 11.c4 e5 12.Nfd2 ab5 13.ab5 Ra1=; C4) 8.Bc3 Bb4 9.Qd2 Bc3 10.Nc3 cd3 11.Bd3 ab5 12.Nb5 Nc6 13.c4 dc4=.

7.Be2 A) 7...ab5 8.ab5 Ra5 (8...Ra1 9.Ba1 Bd7 10.Nc3 Qa5 11.Qb1 Bd6 12.0-0 e5 13.d3 cd3=) 9.Bf6 gf6 10.Nc3 Bb4 11.Na2 Ba3 12.Qb1 Rg8 13.Rg1 e5=; B) 7...Bd6 B1) 8.d3 cd3 (8...Bb4 9.Bc3 cd3 10.Qd3 Bc3 11.Qc3 0-0 12.0-0 Ne4 13.Qd4 ab5=; 8...Qa5 9.Bc3 Bb4 10.Qd2 Bc3 11.Nc3 cd3 12.cd3 Bd7 13.Rc1 ab5+=) 9.Bd3 Nbd7 10.0-0 0-0 11.c4 e5 12.c5 Nc5 13.Ne5 Qe7+=; B2) 8.ba6 ba6 (8...Na6 9.d3 cd3 10.cd3 Qa5 11.Bc3 Nb4 12.Na3 Be7 13.Nb5 Bd7=; 8...b6 9.Nc3 Ba6 10.Nb5 Bb5 11.ab5 Ra1 12.Qa1 Nbd7 13.d3 cd3=) 9.0-0 Nc6 10.Ba3 0-0 11.d3 cd3 12.cd3 Rb8 13.Bd6 Qd6+=; B3) 8.Nc3 Bd7 (8...0-0 9.0-0 e5 10.d3 cd3 11.cd3 Be6 12.a5 Re8 13.Qc2 Nbd7=; 8...Nbd7 9.0-0 e5 10.d3 cd3 11.cd3 0-0 12.Rc1 Qe7 13.d4 e4=; 8...e5 9.0-0 0-0 10.d3 cd3 11.cd3 Be6 12.a5 Qe7 13.d4 e4=) 9.d3 Bb4 10.0-0 Qa5 11.Qe1 0-0 12.Ne5 Rc8 13.Rc1 ab5–/+; B4) 8.0-0 Bd7 (8...ab5 9.ab5 Ra1 10.Ba1 Bd7 11.Nc3 Qa5 12.Qb1 e5 13.d3 cd3=; 8...Nbd7 9.d3 cd3 10.cd3 ab5 11.ab5 Ra1 12.Ba1 0-0 13.Qd2 Qb6=; 8...0-0 9.d3 cd3 10.Qd3 Nbd7 11.Nc3 Nc5 12.Qd2 b6 13.Rfd1 Bb7=) 9.Ba3 Ba3 10.Na3 Qa5 11.Ne5 0-0 12.d4 Ne4 13.Bf3 Nc3+=; C) 7...Bd7 C1) 8.ba6 Na6 (8...Ra6 9.d3 Ba4 10.dc4 Bb4 11.Nbd2 dc4 12.Bc4 b5 13.Ra4 Bd2+=) 9.Ne5 Nc5 10.Nd7 Qd7 11.Nc3 Na4 12.Na4 Ra4 13.0-0 Be7–/+; C2) 8.Nc3 Qc7 (8...ab5 9.Nb5 Ne4 10.0-0 Ra5 11.d3 Bb5 12.ab5 Rb5 13.Be5 cd3+=; 8...Bd6 9.d3 cd3 10.Qd3 Qc7 11.0-0 Ng4 12.h3 Nh2 13.Nh2 Bh2+=; 8...Bb4 9.0-0 0-0 10.Na2 Bd6 11.Nc3 Qc7 12.d3 Ng4 13.Kh1 cd3=) 9.0-0 Bb4 10.ba6 Ra6 11.Rb1 0-0 12.Nb5 Qa5 13.Bf6 gf6=; D) 7...Bb4 D1) 8.Bc3 Bd6 (8...Bc5 9.d3 cd3 10.Bd3 0-0 11.Nbd2 Bd6 12.e4 Ne4 13.Ne4 de4=; 8...Be7 9.ba6 Na6 10.d3 cd3 11.cd3 0-0 12.0-0 b6 13.Be5 Nb4=; 8...Qa5 9.Bb4 Qb4 10.Nc3 0-0 11.0-0 Ne4 12.ba6 Nc3 13.dc3 Qc3=) 9.d3 cd3 10.Bd3 0-0 11.0-0 Nbd7 12.Qd2 e5 13.Be2 Qc7+=; D2) 8.Nc3 Nbd7 (8...Bd7 9.0-0 0-0 10.Ne5 ab5 11.ab5 Ra1 12.Qa1 Qc7 13.Nf3 Bd6=; 8...0-0 9.0-0 Qa5 10.Na2 Bd6 11.Bf6 gf6 12.Nc3 Bb4 13.ba6 Na6+=; 8...b6 9.0-0 Bd7 10.d3 Bc3 11.Bc3 ab5 12.ab5 Ra1 13.Qa1 Bb5+=) 9.0-0 0-0 10.ba6 Ra6 11.Nb5 Qa5 12.Bd4 Re8 13.c3 Bc5+=; D3) 8.ba6 Na6 (8...Ra6 9.0-0 Bd7 10.d3 cd3 11.cd3 0-0 12.Qb3 Nc6 13.Rc1 Rb6=; 8...b6 9.0-0 Ba6 10.d3 Nbd7 11.dc4 Bc4 12.Bc4 dc4 13.Qd4 Qc7=; 8...ba6 9.0-0 0-0 10.d3 cd3 11.cd3 Nc6 12.Nbd2 Bd6 13.Rc1 Bd7=) 9.Bd4 0-0 10.0-0 Bd7 11.Ne5 Qa5 12.d3 c3 13.Nd7 Nd7+=; D4) 8.0-0 Bd7 (8...ab5 9.ab5 Ra1 10.Ba1 Bd7 11.Bc3 Be7 12.d3 Bb5 13.dc4 Bc4+=; 8...Qa5 9.Bd4 Bd7 10.Ne5 Qd8 11.ba6 Ra6 12.c3 Bd6 13.d3 Qc7=) 9.ba6 Na6 10.Be5 Nc5 11.c3 Ba5 12.d3 Bc7 13.dc4 Ba4+=.

8.Na2 Be7 (8...Bc5 9.Be2 Nbd7 10.0-0 Qa5 11.Nc3 0-0 12.Qe1 e5 13.e4 de4+=; 8...Ba5 9.Be2 Bd7 10.Qb1 0-0 11.0-0 Qe7 12.Bd4 Bc7 13.Qb2 Rc8=) 9.d3 Qa5 10.Nc3 Bb4 11.Kd2 0-0 12.Rg1 e5 13.Ne5 d4–+.

8.ba6 Ra6 (8...Na6 9.Be2 0-0 10.0-0 Qa5 11.Nb5 Bd7 12.Bf6 gf6 13.d3 c3=; 8...ba6 9.Be2 Nc6 10.Rb1 e5 11.0-0 0-0 12.d3 Qa5 13.Na2 c3=) 9.Be2 0-0 10.0-0 Qa5 11.Na2 Qa4 12.Nb4 Qb4 13.Ra6 Na6=.

8.Be2 0-0 9.0-0 Qa5 10.Na2 Be7 11.Nc3 b6 12.d3 Bb4 13.Qd2 d4+=.

8.Be2 b6 9.0-0 Bd7 10.d3 Bc3 11.Bc3 ab5 12.ab5 Ra1 13.Qa1 Bb5+=.

8.Be2 Bc3 9.Bc3+– Bd7 (9...Qc7 10.Qc1+–) 10.0-0 ab5 11.ab5 Ra1 12.Qa1 (12.Ba1?! Bb5 13.Bc3 0-0=) 12...Bb5 13.Nd4 Bc6 (13...Ba6 14.Qa3+–) 14.Qa3 Qe7 (14...Bd7 15.Rb1 Qc8 16.d3+–) 15.Bb4+– Qd7 (15...Qd8 16.Qa7+–) 16.Qa8 Qd8 17.Ra1 Na6?? (better 17...Kd7 18.Qa7 Qc7+–) 18.Ra6 ba6 (18...Rg8 19.Nc6 Qa8 20.Ra8 Kd7 21.Ne5 Kc7 22.Ba5 Kd6 23.Bd8+–) 19.Qc6 Nd7 20.Ne6! Rg8 (20...fe6 21.Qe6 Mate attack) 21.Nd8 (21.Nd8 Kd8 22.Bg4 f5 23.Bf5 Nb6 24.Qb7 a5 25.Qe7) 1–0. Leonco – Vuiko, internet corr, 2018.

8.Be2 Bd7 9.0-0 0-0 10.Na2 Bd6 11.Nc3 Qc7 12.d3 Ng4 13.Kh1 cd3=.

8.Be2 Nbd7 9.0-0 e5 10.Na2 Bd6 11.d3 Qc7 12.dc4 e4 13.Nd2 Bh2=.

8.g3=.

7.c3 Bc5 (7...Bd6!?=+) 8.d3= cd3 9.Bd3 0-0 (9...Nbd7 10.Nbd2=) 10.0-0 a6 (10...Nbd7 11.c4=) 11.Nbd2+= ab5 (11...Nbd7 12.c4+=) 12.ab5 Ra1 13.Qa1 Nbd7 14.c4 dc4 (14...Be7 15.Nb3+=) 15.Nc4+– Nb6 (15...Qc7 16.b6! Nb6 17.Nb6 Qb6 18.Bf6 gf6 19.Qf6+=) 16.Nce5 Nfd5 17.Rc1 Bd6 (17...Bb4 18.Qb1 f5 19.Bd4+–) 18.Qb1 f6?? (better 18...f5+–) 19.Bh7+– Kh8 20.Ng6 (20.Ng6 Kh7 21.Nf8 Kg8 22.Qh7 Kf8 23.Qh8 Ke7 24.Qg7 Ke8 25.e4+–) 1–0. guestotmk – guestjxsj, internet free game, 2018.

7.Be2 =.

7.a3 A) 7...a6 8.Be2 (8.d3 cd3 9.Bd3 Be7 10.0-0 0-0 11.Rb1 Qc7 12.Qd2 Bd7 13.a4 Bb4=) 8...Bd7 9.ba6 Bc5 10.d3 cd3 11.cd3 0-0 12.0-0 Na6 13.d4 Bd6=; B) 7...Bd6 8.Be2 (8.d3 cd3 9.Bd3 e5 10.Be2 0-0 11.0-0 Bb7 12.Qd2 Qc7 13.Kh1 Rc8+=) 8...0-0 9.d3 cd3 10.cd3 e5 11.0-0 Nbd7 12.Qc2 Qe7 13.Rfc1 a6=.

7.a4 A) 7...Qc7 8.d3 (8.Be2 e5 9.d3 Bb4 10.0-0 Bb7 11.dc4 dc4 12.Nd2 0-0 13.Nc4 Rd8+=) 8...Bb4 9.dc4 Ne4 10.Qd4 f6 11.Nd2 Nc3 12.Bc3 e5 13.Qd3 dc4+/–; B) 7...Bb4 8.d3 (8.Be2 0-0 9.0-0 a6 10.d3 cd3 11.cd3 Bd7 12.Qb3 Qe7 13.Ne5 Rc8=) 8...e5 9.Ne5 Qc7 10.Nf3 cd3 11.Qd3 Ne4 12.Ra3 Qd6 13.Rb3 Nc5+=.

7.Rb1 A) 7...a6 8.ba6 (8.d3 ab5 9.Nb5 cd3 10.Bd3 Ra2 11.Be5 Na6 12.Nc3 Ra5 13.0-0 Nc5+=) 8...Ra6 9.Ba1 Nc6 10.d3 cd3 11.Bd3 Ra5 12.0-0 Be7 13.Rb5 0-0=; B) 7...Bd6 8.Be2 (8.d3 cd3 9.Bd3 e5 10.Be2 0-0 11.0-0 Bb7 12.Ne1 Qc7 13.Kh1 Rc8+=) 8...e5 9.d3 cd3 10.cd3 0-0 11.Qb3 Bb7 12.0-0 Nbd7 13.Rfc1 Qe7=.

7.d3+= a6 8.dc4 (8.a3 cd3 9.Bd3 Be7 10.0-0 0-0 11.Rb1 Qc7 12.Qd2 Bd7 13.a4 Bb4=) 8...Qc7 9.cd5 Ba3 10.d6 Bd6 11.ba6 Bb4 12.Qd4 Nd5 13.Bc4 Nc3 +/–.

7.d3+= cd3 8.cd3 (8.Bd3 a6 9.0-0 Bb4 10.a3 Be7 11.e4 de4 12.Ne4 ab5 13.Qe2 Nbd7+=; 8.Qd3 a6 9.Be2 Nbd7 10.0-0 Bd6 11.Rfd1 Qc7 12.Qd2 Ne5 13.Ne5 Be5=) 8...a6 9.a4 (9.Be2 ab5 10.Nb5 Bb4 11.Bc3 Bc3 12.Nc3 0-0 13.Rc1 Nbd7=) 9...a5 (9...Bd6 10.Be2= 0-0 11.0-0 e5 12.ba6 Na6 13.Nb5 Re8=) 10.Be2+= Bb4 (10...Bd6 11.0-0 0-0 12.Rc1 Nbd7 13.Qd2 e5=) 11.0-0 (11.Rc1 0-0 12.0-0 Bd6 13.Nb1 Ra7+=) 11...0-0 12.Na2 (12.Rc1 Ra7 13.Nb1 Bd6+=) 12...Bd6 13.Ne5 (13.Rc1 Ra7+=) 13...Be5 (13...Nbd7=) 14.Be5 Nbd7 15.Bd6 Re8 16.Rc1 Bb7 17.Qb3 Rc8 18.h3 (18.Rc8 Bc8 19.Rc1 e5+=) 18...Nc5= 19.Bc5 bc5 20.Rc2 Re7 21.Rfc1 Qd6 22.Qa3 Rec7 23.d4 Nd7 24.Nc3 Qb6 25.dc5 Nc5 26.Nb1 Ne4 27.Qe7 Rc2 (27...Nc5 28.Qg5=) 28.Rc2+= Nf6? (better is 28...Nc5!?+=) 29.Rc8+– Bc8 30.Bh5! g6 (30...Nh5 31.Qe8) 31.Bg6 hg6 32.Qf6 Qc5 33.Qc3 Qc3 34.Nc3 Bb7 35.f3 f5 36.g4 (36.f4 Kf7+–) 36...d4 (36...fg4 37.fg4 Kf7+–) 37.ed4 Bf3 (37...Kg7 38.gf5 ef5 39.Kf2+–) 38.gf5 gf5 39.Kf2 (better is 39.b6 Bc6 40.Nb5 Kg7+–) 39...Bb7 40.Kg3 Kf7 41.Kf4 Kf6 42.h4 Kg6 43.Ke5 Kh5 44.Ke6 f4 45.d5 (45.d5 f3 46.Ne4 Bc8 47.Ke5+–) 1–0. purplegadge (1745) – noothgrush (1645), gameknot.com, 2014.

7.Be2 A) 7...Bd6 8.0-0 (8.d3 cd3 9.Qd3 Nbd7 10.0-0 Nc5 11.Qd4 Qc7 12.Qh4 0-0 13.Rfd1 Bb7=) 8...0-0 9.d3 cd3 10.Bd3 Qc7 11.e4 Bb7 12.ed5 Nd5 13.Ne4 Bf4=; B) 7...a6 8.d3 (8.0-0 Bd6 9.a4 0-0 10.ba6 Ba6 11.Nb5 Be7 12.d3 cd3 13.cd3 Nbd7=) 8...cd3 9.Bd3 ab5 10.Nb5 Bb4 11.c3 Bc5 12.c4 Bb4 13.Bc3 Bc3=.

7.Bc3 Bb4 +=.

8.Nd4 Qc5–/+ 9.g3 (9.dc4 dc4 10.Nf3 Ne4=+) 9...b5 10.a3 a5 (10...Na6 11.Ra2–/+) 11.Bg2 Bb7 (11...Be7 12.Qd2–/+) 12.0-0 (12.dc4 bc4 (worse 12...Qc4 13.Bf1 Qc8 14.Bb5 Nbd7 15.f3=) 13.Ra2 Be7–/+) 12...Bd6 (12...b4 13.ab4 ab4 14.Ra8 Ba8 15.Be1–/+) 13.dc4 bc4 14.Nd2 (14.Ra2 0-0–/+) 14...Nc6 (14...0-0 15.Rb1 Ba6 16.a4–/+) 15.N2f3 (15.Rb1 Ba6 16.Nc6 Qc6 17.e4 Ba3 18.Bf6 gf6 19.Re1=) 15...Ne4–+ 16.Bb2 (16.Qe1 0-0–+) 16...c3 17.Nb3 (17.Bc1 0-0–+) 17...Qb6 (worse 17...cb2 18.Nc5 ba1R 19.Qa1 Bc5 20.Qg7–/+) 18.Bc1 Nc5 (18...0-0!? 19.a4–+) 19.Nc5 Qc5 (19...Bc5 20.Re1–+) 20.Nd4 (20.e4 d4–/+) 20...Be5 (20...0-0 21.a4–+) 21.Nc6 Bc6 22.a4 (22.f4 Bf6–+) 22...Qc4 23.Ba3 Ba4 (23...Qa4?! 24.Bd6 Bd6 25.Ra4 Ba4 26.Qd4 Bc2 27.Qc3=+) 24.f4 (24.Re1 Rd8–+) 24...Bf6 25.Re1 (25.f5 Bd7–+) 25...Be7 (better 25...Rb8!?–+) 26.Bf1 Qc6 27.Qd4? (better 27.Be7 Ke7 28.Qd4 Bc2 29.Rec1–/+) 27...Bf6–+ (27...Bc2?! 28.Qg7 Rf8 29.Rec1=+) 28.Qd3 0-0-0 (better 28...Rb8!?–+) 29.Reb1–/+ Kc7 30.Bc1 (30.Bg2 h5–/+) 30...Rb8 (30...Kd7 31.e4 Ke8 32.Qe3 de4 33.Qe2 Bd4 34.Kh1–+) 31.Bg2 (31.Rb8!? Rb8 32.Qh7–/+) 31...Rb1–+ 32.Rb1 Rb8 (32...Qc4!? 33.Rb7 Kc8 34.Rf7 Qd3 35.cd3–+) 33.Rb8–/+ Kb8 34.e4? (better 34.Qh7 Kc7 35.Qh5–+) 34...Qc5 (34...Qb6 35.Kh1 Qb1 36.Qf1 de4 37.h4–+) 35.Be3 (35.Kh1 Qf2 36.Be3 Qc2 37.Qc2 Bc2 38.ed5 a4–+) 35...d4 (better 35...Bc2 36.Qe2 Bd4 37.Qc2 Be3 38.Kh1 Qb5 39.ed5 Qb2–+) 36.Bf2 e5 37.fe5 Be5 (37...Qe5?! 38.Qa6 Kc7 39.Qc4 Bc6 40.Qf7 Kd8 41.Qf8 Be8 42.h3–/+) 38.g4 (38.Qf3 Bc2 39.Qf7 Ba4 40.Qg8 Qc8–+) 38...Bb5 (38...Qb6 39.Qd1–+) 39.Qd1 a4 40.Qb1 (40.g5 Bc4–+) 40...Ka7 (40...Kc8 41.Qd1–+) 41.Qa2 Qc4 42.Qa1? (42.Qa3–+) 42…Ka6 0–1. tsodikovich (1855) – philkarp (1825), gameknot.com, 2018.

8.Bf6 gf6 9.dc4 dc4 10.Nbd2 Bb4 11.Rc1 Bc3 12.Be2 Qa4 13.Rb1 0-0 14.0-0 –/+.

9.Nbd2 Qc6 10.Bf6 gf6 11.Rb1 Rg8 12.Bc4 Qc7 13.0-0 Nc6 14.Nd4 +=.

9.Nbd2 Be7 10.Bc4 Qa4 11.Ne5 0-0 12.Qb1 Rd8 13.Qb3 Qe8 14.Rd1 =.

9.Nbd2 Be7 10.Bc4 Qb6 11.Rb1+= Qc7 (11...Qd8 12.Bf6 Bf6 13.Ne4 Qa5 14.Qd2+=) 12.Be5 Qd8 (12...Qa5 13.0-0 Nbd7 14.Rb5+=) 13.Bf6 Bf6 14.0-0 (14.Ne4 Qa5 15.Qd2 Qd2 16.Kd2 Be7+=) 14...0-0 (14...Qc7 15.Ne4=) 15.Ne4 Nc6 (15...Be7 16.Qd8 Rd8 17.Rfd1=) 16.Qe2 (16.Qd8 Bd8 17.Bb5 f5+=) 16...Qc7 (better is 16...Be7!?=) 17.Nf6+/– gf6 18.Nd4 e5 19.Nb5 Qe7 20.Rfd1 Kh8 (20...Rd8 21.Rd8 Nd8 22.Nc3+/–) 21.Nd6+– Be6?? (better is 21...Na5 22.Nf7 Kg7+–) 22.Rb7 (22.Rb7 Bd7 23.Qh5+–) 1–0. Woelfelschneider,Peter – Goan, email 4AMM–04, 1997.

9.Nbd2 Be7 10.Bc4 Qc6 11.0-0= 0-0 12.Nd4 Qc5 13.Qf3 Nbd7 14.N4b3 =.

9.Nbd2 Be7 10.Bc4 Qc6 11.0-0 Nbd7 12.a4 0-0 13.a5 Ne4 14.Ne4 Qe4 15.Qd4 Qc2?? (better is 15...Nf6+=) 16.Qg7 1–0. pcmvr – preethan (2135), net–chess.com, 2015.

7.Bd3 Bb4 8.Nbd2 a6 =.

7.Bd3 Bb4 8.Nbd2 Ne4 =.

7.ba6 ba6 8.Nc3 =.

7.ba6 Ra6 8.0-0 b5 9.d3 Nbd7 10.a4 (10.a3 Bd6=) 10...Qb6 (10...Ra4 11.Ra4 ba4 12.dc4=) 11.Nbd2 (11.Bd4 Bc5+=) 11...c3 (11...Ra4!? 12.Ra4 ba4 13.Bf6 Nf6 14.dc4 a3=) 12.Bc3= Ra4 13.Ra4 ba4 14.Qa1 Qa6 (14...Qc6 15.Rb1 Bd6 16.e4 de4 17.Ne4 Ne4 18.de4 Qe4 19.Bd3+–) 15.Rb1 Be7 16.Bb4 Bb4 17.Rb4 Attacks the isolani on a4 17...Nb6 (17...Nc5 18.Rb8 0-0 19.Rb2=) 18.c4 (18.Qd4 Nbd7 19.Ra4 Qc6+–) 18...dc4 (18...Qa5 19.Rb5 Qa6 20.Qb1+–) 19.dc4 (19.Nc4!? Nc4 20.Ra4+–) 19...0-0+= 20.c5 White terminates the opponent with strong threats 20...Qe2 21.cb6 The passed pawn on b6 quickly leads to threats (21.Rb6?! Rd8 22.Rd6 Rd6 23.cd6 Bd7=) 21...Bb7 22.Ra4 White gets strong play along the open a–file 22...Qb5 23.Qd4 Nd5 24.Ra7 Rc8 (24...Bc8 25.Ne5 Nb6 26.Qd6+=) 25.h3 Nc3 (25...Rc1 26.Kh2 Bc6 27.Ng5 Qb6 28.Ne6 Qd4 29.Nd4+– (29.ed4? fe6 30.Nf3 Nf4–+)) 26.Qd6 Bf3 27.Nf3 (27.gf3?! Qg5 28.Kf1 Nb5=) 27...Qb1 28.Kh2 Nd5?? (better 28...Ne4 29.Qc7! Rf8+–) 29.Qc6 (29.Qc6 Rf8 30.b7+–; 29.b7 Qc1 30.Ra8+–) 1–0. Sternik,Ryszard – Drazkowski,Krzysztof, corr Poland, 1991.

7.ba6 Na6 8.0-0 b5 (8...Bd6 9.d3 cd3 10.cd3=) 9.a3 Nc5 10.d3 (10.Be5 Bd7=) 10...Rb8 (10...Bd6 11.Nc3 Ra5 12.Nd4+=) 11.Ne5 (11.Be5 Bd6=) 11...Qc7 12.d4 (12.f4!?=) 12...Na4–/+ 13.Bc3 (13.Ra2 Nd7 14.Ba1 Bd6–/+) 13...Ne4 14.Bb4 (14.Qe1 Nac3 15.Nc3 Nc3 16.Qc3 f6–/+) 14...Bb4 (14...f6 15.Nf3–/+) 15.ab4 Nb2 (better is 15...f6!? 16.Nf3 0-0–/+) 16.Qe1 c3? (16...f6 17.f3 Nd6= (worse is 17...fe5 18.fe4 Rf8 19.ed5+–)) 17.Ra3 (17.f3 Nd6+/–) 17...Na4? (17...f6 18.f3 Nd6 19.Rc3+/–) 18.Bd3 (18.Bb5 Rb5 19.Ra4 0-0+–) 18...Qd6? (18...f6 19.f3 Nd2 20.Nc3 (worse is 20.Nd2 cd2 21.Qe2 Nb2+=) 20...Nf1 21.Nb5+=) 19.Be4?? (better is 19.f3 Nf6 20.Nc3+–) 19...de4+/– 20.Nc3 f6 21.Na4 (21.Ne4 Qd5 22.f3 fe5+=) 21...ba4+= 22.Nc4 Qc7 (better is 22...Qb4 23.Qb4 Rb4 24.Nd6 Ke7 25.Ne4 Bd7+=) 23.Qc3?? (better is 23.Nb2 Qc2 24.Na4+/–) 23...Ba6+= 24.Nd2 Qc3 25.Rc3 Bf1 26.Kf1 0-0 27.Ne4 Rfc8 28.Rc8?? Rc8–+ 29.Nc5 a3 30.b5 a2 31.Nb3 Rc2 32.b6 Rb2 0–1. Trkn – Anders E, itsyourturn.com, 2001.

7.Nc3 ab5 8.Nb5 Bd7 =.

7.a4 a6 8.Bf6 gf6 9.Nc3 Bg7 10.a5 Qd6 11.b6 f5 12.0-0 0-0 13.Rb1 (13.Ra2 Nc6=) 13...Bc3 (13...Nc6 14.Ra1+=) 14.dc3= Qc5 15.Ra1 Nc6 16.Ng5 (16.Ra2 e5=) 16...h6 17.Nh3 Na5 18.Nf4 (18.Qd4!? Qd4 19.cd4–/+) 18...Qb6–+ 19.Re1 Bd7 (19...Nc6 20.Kh1–+) 20.Bf1 Nc6 21.Qh5 Kh7 22.e4 (22.Red1–+) 22...fe4 23.Re3 (23.Nd5 ed5 24.Qd5 Rad8 25.Qe4 Kg7 26.Bc4 Qc5–+) 23...Ne7 24.Rh3 e5! 25.Qe5 Bh3 26.Qe7 Be6 0–1. craig4000 – Szkodnikow_i_ofiar, ChessWorld.net, 2015.

7.Bf6 gf6 8.a4 a6 9.ba6 Na6 10.0-0 Nc5 11.Nc3 Bg7 (11...Bd7 12.Qb1 Qa5 13.Qb2=) 12.d3 f5 13.Qd2 Qa5 14.d4 (14.Nd4!? e5 15.Ndb5=) 14...Ne4–/+ 15.Ne4 fe4 16.Qa5 Ra5 17.Rfb1? (better is 17.Ne5–/+) 17...ef3–+ 18.Bf3 Kd7 19.c3 Kc7 20.e4 Bd7 21.ed5 ed5 22.Bd5 0–1. Font Garcia,Xavier (1720) – Rodrigo Yanguas,M (2100), 16th Balaguer Open, 2011. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.b5 c5 5.e3 c4)

7.Nc3 =.

8.Nc3 Bb4 9.0-0=.

8.Nc3 Bb4 9.Ne5 0-0 10.0-0=.

8.Nc3 Bb4 9.Ne5 Bc3 10.Bc3 ab5 11.ab5 Ra1 12.Qa1 Bb5 13.Qb2 (13.0-0 0-0=) 13...Ba6 14.Bb4 (14.d3 0-0=) 14...Nbd7 (14...Qb6 15.0-0=) 15.Nd7 Kd7 (15...Qd7 16.Bc3=) 16.Qa1 Qc7 17.0-0 (17.Bc3 Ke7=) 17...h5 (17...Ra8 18.Rb1=+) 18.Rb1 (18.Bc3 Rh6=) 18...Ng4 (18...Ra8 19.Bc3 Qd8 20.Bf6 Qf6 21.Qf6 gf6 22.Bh5=) 19.f4 Nf6 20.Ba5 Qc8 21.Bc3 Qd8 (21...Rh6 22.Bd4=) 22.Ba5 (22.Qa4!? Kc8 23.Be5+–) 22...Qe7 (22...Qc8 23.Rb6=) 23.Bf3 (23.d3 Ra8=) 23...Rg8 (23...Ra8 24.Bc3=) 24.Bb4+= Qd8 25.Qe5 (25.Qa4 Kc8+=) 25...Qc7 (25...h4 26.f5 Qc7 27.fe6 fe6 28.Qg5=) 26.Qg5+= Qd8 (26...Ke8 27.Ra1+=) 27.Bh5 Nh5 28.Qh5 g6 (28...Qe8 29.Bc5+–) 29.Qh7 Qe8 30.Qh4 1–0. DEFFM – liderdelnort, freechess.org, 2018.

8.Nc3 Bb4 9.Ne5 Bc3 10.Bc3 ab5 11.Nd7 Qd7 12.ab5 Ra1 13.Qa1 Qb5 14.Bf6 gf6 15.0-0!? (15.Qf6 Qb1 16.Bd1 +/–) 15...e5 (15...Ke7 16.Rb1 Qc6 17.Qa8 +/–) 16.Rb1 Qa6 (16...Qd7 17.Qa8 0-0 18.Rb7 Qd8 19.Bh5 Nc6 20.Qd8 Nd8 21.Rd7 +/–) 17.Qa6 Na6 18.Rb7 0-0 19.Rd7 +/–. Sokolski.

8.Nc3 Bb4 9.Ne5 Bc3 10.Bc3 ab5 11.Nd7 Nbd7 12.ab5 0-0=.

8.Nc3 Bb4 9.Ne5 Bc3 10.Bc3 Ne4 11.Bd4=.

8.Nc3 ab5 9.ab5 Ra1 10.Qa1 Bb4 11.0-0 Bc3 12.Bc3 Bb5 13.Nd4 Bc6 14.Qa3 Nbd7 15.d3 cd3 16.cd3 Ng8?? (better is 16...h5+–) 17.Nc6 bc6 18.Bg7 1–0. pierred (2850) – preethan (2135), net–chess.com, 2015.

8.Nc3 ab5 9.ab5 Ra1 10.Qa1 Bc5 11.0-0 0-0 12.d3 cd3 13.cd3 Qb6 (better is 13...Qe7!?+=) 14.Na4+/– Qb5 15.Nc5 Qc5 16.Ba3 Qc7 17.Bf8 Kf8 18.Rb1 Bc6 19.Nd4 Nbd7 (19...Nfd7 20.Qa8 Qd8 21.Nc6 bc6 22.Rb7+–) 20.Qa3 Kg8 21.Qa8 Nf8 22.Rc1 Qb6 23.Nc6 bc6 24.Qc6 Qb2 25.Qc2 Qe5 26.d4 Qd6 27.Bd3 g6 28.Qc5 Qd8 29.g3 N6d7 30.Qc8 Qe7 (30...Qc8 31.Rc8 f6 32.Bb5+–) 31.Rc7 Kg7 (31...Nb6 32.Qb7 Qa3+–) 32.Bb5 Qd6 (32...Nb6 33.Qb7 (33.Re7?! Nc8 34.Rc7 Nd6+–) 33...Nbd7 34.Bd7 Nd7 35.Rd7+–) 33.Bd7 Nd7 34.Rd7 Qb4 (34...Qf8 35.Qc6 Qe8 36.Qd6+–) 35.Rb7 Qe1 36.Kg2 Qd1 37.Qc7 Qh5 1–0. usingprogram (2025) – weil (1610), kurnik, 2013.

8.Nc3 ab5 9.ab5 Bb4?? 10.Ra8+– Bc3 (10...0-0 11.0-0+–) 11.Bc3 (11.Bc3 Bb5 12.Be5+–) 1–0. Fritz11 – jumbo, casual, 2013.

8.Nc3 Qb6 9.a5 Qc5 10.Ba3 Qc8 11.Qb1 Ba3 12.Ra3 ab5 13.Nb5 Nc6 14.Nd6 Ke7 15.Nc8 Bc8 16.0-0 Rd8 17.d3 cd3 18.Bd3 Ke8 19.c4 Na5 20.Qa2 b6 21.cd5 Nd5 22.Bb5 Bd7 23.Bd7 Rd7 24.Rc1 Ke7 25.Ne5 Rda7 26.Ra5 Ra5 27.Nc6 Kf6 28.Na5 Ra5 29.Qb2 Kg6 30.g3 f5 31.Rd1 Rc5 32.Qe5 Kf7 33.Qb8 Kf6 34.Qb7 Rb5 35.Qc6 Rc5 36.Qe8 Rc2 37.Qf8 Kg6 38.h4 h6 39.Qe8 Kf6 40.Qd8 Kg6 41.Rd5 ed5 42.Qd5 Rc5 43.Qd6 Kh7 44.Qb6 Re5 45.Qd6 Ra5 46.Qd7 Kg6 47.h5 Kh7 48.Qf7 Rb5 49.Qg6 Kh8 50.Qe8 Kh7 51.Qb5 1-0. SSAARR (2015) - zembelek (2055), Rated Blitz game, lichess.org, 2014.

8.Nc3 Bd6 9.0-0 0-0 10.d3 cd3 11.cd3 (11.Qd3 Qc7=) 11...Bb4 (11...Qa5 12.Qb3=) 12.Qb3+= Qe7 13.Rfc1 Rd8 (13...Rc8 14.Ne5=) 14.Ne5 Be8 15.d4 (better is 15.ba6 Ra6 16.d4+=) 15...Nbd7? (15...ab5 16.Nb5 Nc6 17.Nd3+=) 16.Nd3 (better is 16.ba6!? Ra7 17.Ba3 Ba3 18.Qa3 (18.Ra3?! Ne5 19.de5 Nd7+=) 18...Qa3 19.Ra3 Ne5 20.de5+–) 16...Bd6+= 17.a5 (17.Ba3 Ba3 18.Qa3 Qa3 19.Ra3 ab5 20.Nb5 Rdc8+=) 17...Ne4 18.Ne4 de4 19.Nc5 ab5 (better is 19...Nc5!? 20.dc5 Bb8+=) 20.Nb7+/– Rdb8 21.a6 (21.Qb5 Ne5 22.Nd6 Bb5 (22...Rb5?! 23.Bb5 Qd6 24.de5=) 23.Nb5 Nd3 24.Bd3 ed3–+; 21.Nd6?! Qd6 22.Rc2 Nf6+=) 21...Nf6 (21...b4+/–) 22.Nc5 (better is 22.Bb5!? Bb5 23.Qb5+–) 22...Rb6 (22...Bc6 23.Bc3+=) 23.Ba3 Bc6 24.Bb4 Bd5 (24...Qe8 25.a7+=) 25.Qa3 White plans a7 (25.Qb2 e5+=) 25...e5 (25...Qa7 26.Qa5+=) 26.Qa5 Rbb8 27.de5 Qe5= 28.g3 Bc4 29.a7 Rc8 30.Bc4+= bc4 31.Rc4 Nd5?? 32.Nd7+– Bb4 33.Rc8 Rc8 34.a8Q (34.a8Q Qe8 35.Q5d5+–) 1–0. Sazonov – Treskunov, Soviet Union, 1961.

8.Nc3 Bd6 9.0-0 ab5 10.ab5 Ra5! (10...Ra1 11.Qa1 Qb6 12.d3 Bb5 (12...cd3 13.cd3 Bb5 14.Nb5 Qb5 15.Bf6 gf6 16.Qf6 +/–) 13.Nb5 Qb5 14.Bf6 gf6 15.Rb1 Qc6 16.Qf6) 11.d3 (11.Ra5?! Qa5 12.Qa1 Bb4!) 11...cd3 (11...Bb5?! 12.dc4 Ra1 (12...dc4? 13.Ra5 Qa5 14.Qd6+–; 12...Bc4? 13.Bc4 dc4 14.Ra5 Qa5 15.Qd6+–) 13.Qa1! (13.Ba1 Bc4 14.Bc4 dc4 15.Nb5!) 13...Bc4 14.Bc4 dc4 15.Rd1 Qe7 16.e4! e5 (16...Bc5? 17.e5 Ng4 18.Ne4 b5 19.h3 Nh6 20.Nd6! Kf8 21.Qa8!+–) 17.Nd5 Nd5 18.Rd5) 12.Bd3 (12.cd3? Bb5 13.Ra5 (13.Nb5 Rb5 14.Qa4 Qd7 15.Bf6 gf6 16.Nd4 Rb4!) 13...Qa5 14.Qb3 Bc6 15.Ra1 Qc7) 12...0-0 13.e4!? de4 14.Ne4 Ne4 (14...Bb5? 15.Ra5 Qa5 16.Nd6+–) 15.Be4 Rb5 (15...Ra1?! 16.Qa1 f6 17.c4; 15...Bb5? 16.Ra5 Qa5 17.Qd4 f6 (17...e5 18.Qd6 Bf1 19.Bh7!) 18.Qd6 Bf1 19.Bh7!) 16.Bg7!? (16.Qd4 f6 17.Qd6 Rb2 18.Rfb1 Rb1 19.Rb1 Bc6 20.Qe6 Kh8 21.Bc6 bc6=) 16...Bh2 17.Nh2 Kg7 18.c4! Rg5 (18...Ra5 19.Qd3 f5 20.Qg3 Kf7 21.Bf3; 18...Rb4? 19.Qg4 Kh8 20.Bh7! f5 (20...Kh7? 21.Ra3!) 21.Qh5 Kg7 22.Ra3!) 19.Ra3 (19.f4?! Rg3!) 19...Bc6! 20.f4 (20.Bc6 Qd1 21.Rd1 Nc6 –/+; 20.Rd3 Qc7 21.f4 Be4 22.fg5 Bd3 23.Qd3 Qc5 24.Kh1 Qg5 25.Rf3 Rd8!; 20.Qb1 Be4 21.Qe4 Nc6) 20...Be4? (20...Qd1! 21.Rd1 Rh5 22.Rg3 Kh8 23.Bc6 Nc6 24.Rd7 Na5 25.Ng4) 21.fg5 Qg5? 22.Qd4 (22...f6 (22...Kg8 23.Qe4) 23.Qe4 Qc5 24.Re3) 1–0. Labahn,Wolfgang – Paltrineri,Mario, corr ICCF TT–4–90 1991 (L).

8.Nc3 Bd6 9.0-0 e5 10.d3 cd3 11.cd3 =.

8.Nc3 Bd6 9.d3 Bb4 10.0-0 Qa5 +=.

6.a4 b6 7.d3 Bb7 8.Be2 Nbd7 9.0-0 0-0 10.Nbd2 e5 11.h3 Qe7 12.Nh2 Bc7 Black prepares the advance d4 (12...a6 13.ba6 Ba6 14.c4=+) 13.f3 (13.d4 a6=+) 13...Rae8 (13...a6 14.e4-/+) 14.e4 d4 15.Nc4 Bc8 (15...a5 16.ba6 Ba6 17.Na3-/+) 16.Bc1 Nh5 17.Qe1 Nf4 18.Bf4 (18.Ng4 a5-/+) 18...ef4-/+ 19.Ng4 h5 (19...f5 20.Nf2-/+) 20.Nh2 (20.Nf2 Ne5-/+) 20...Ne5-/+ 21.Nd2 (21.Ne5 Be5 22.a5 Qg5-/+) 21...Qg5 22.Kh1 Qg3 23.Qf2 (23.Rg1 f5-/+) 23...Re6 (23...Qf2 24.Rf2 Be6 25.Kg1-/+) 24.Qg1 Rg6 25.Rfd1 Bd8 (25...Qh4 26.Qe1 Qg5 27.Qf2-/+) 26.Nhf1 Qh4 27.Qh2 Rg3 28.Ng3?? (better 28.a5=+) 28...fg3-+ 29.Qg1 (29.f4-+) 29...Bc7 (better 29...Bh3!? 30.Nf1 Be6 31.Qh2 gh2 32.g3-+) 30.f4?? (30.Qf1 Ng6 31.f4 Nf4=) 30...Qf4 (better 30...Bh3 31.Nf1 Bg4 32.Nh2 Be2 33.fe5 Bd1 34.Rd1 Be5-+) 31.Bh5?? (31.Qe1 h4=) 31...g6?? (better 31...Qh4 32.Qf1 Qh5-+) 32.Be2= Kg7 (32...Ng4 33.Bg4 Bg4 34.Nc4=) 33.Qf1+= Qg5 (33...Qh6 34.a5+=) 34.Nf3+/- Nf3 35.Qf3 (35.Bf3 Be6+/-) 35...Rh8 36.Kg1 (36.Rf1 Be6 37.Bd1 Rh4=) 36...Bh3 (36...Rh4!? 37.e5 Be5=+) 37.gh3+= Rh3 38.Qg4?? (better 38.e5 Be5 39.Rf1 Rh1 40.Qh1 Qe3 41.Kg2 Qe2 42.Kg1 Qe3 43.Kg2 Qe2 44.Kg1 Qe3 45.Kg2 Qe2=) 38...Qe3 39.Kg2 Rh2 40.Kf1 Qf2 0-1. Abdullaevich (1875) - STARONZA77 (1870), lichess.org, 2020.

6.c4 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0-0 6.c4 c5).

6.d4 c4 7.a4 Ne4 (7...a6 8.ba6 Ra6 9.Ba3+=) 8.c3 (8.Nfd2 Qa5 9.Ba3 a6 (worse is 9...Qa4 10.Ne4 de4 11.c3 Qd1 12.Kd1+=) 10.ba6 Ra6 11.Bd6 Nd6+=) 8...b6 (8...a6 9.ba6 Na6 10.Ba3+=) 9.Be2 (9.Qc2 Bb7+=) 9...0-0 (9...a6 10.ba6 0-0 11.Ba3+=) 10.Nbd2 (10.Ba3 a6 11.Qc2 ab5 12.ab5 Bb7=) 10...f5 (10...Nd2 11.Nd2 a6 12.ba6 Ra6 13.Ba3+=) 11.Qc2 Nd7 (11...a6 12.ba6 Nd2 13.Nd2+=) 12.Ba3= Ba3 13.Ra3 Kh8 (13...a6 14.ba6 Ra6 15.0-0=) 14.g3 (14.0-0 a6=) 14...g5 (14...a6 15.ba6 Ra6 16.0-0+=) 15.Ne5 (15.h3 a6 16.Qb2 Qf6=) 15...Ne5+= 16.de5 Qc7 (16...a6 17.ba6 Ra6+=) 17.Ra1 (17.h4!? gh4 18.Rh4 Qe5 19.Ne4 fe4 20.a5+=) 17...Qe5–/+ 18.Ne4 fe4 (18...de4?! 19.Bc4 Bb7 20.Rd1=) 19.0-0 Bd7 (19...a6 20.Qd2–/+) 20.Rad1 (20.Qd2 Rf7–/+) 20...Be8 21.Qd2 (21.Qb2 a6–/+) 21...a6–+ 22.Rb1 (22.f4 ef3 23.Bf3 ab5 24.ab5 Bb5–+) 22...ab5 23.ab5 Bd7 (23...Ra3 24.Rfc1–+) 24.Rb2 (24.Bc4 Rfc8 (24...dc4?! 25.Qd7 Ra2 26.Qc6=) 25.Be2 Qc3 26.Qc3 Rc3–+) 24...Ra3 (24...Qg7 25.Rd1–+) 25.Rc1 (better is 25.Bc4 Qc3 26.Qc3 Rc3 27.Be2–+) 25...Rfa8 (better is 25...Qg7!?–+) 26.Bc4+= Rc8 27.Be2 (27.Rb4 Rc5+= (worse is 27...dc4 28.Qd7 Raa8 29.Qd4 Qd4 30.cd4+=)) 27...Rac3 (27...Rcc3 28.Rbc2 Rc2 29.Rc2–/+) 28.Rc3 (28.Rbc2 Rc2 29.Rc2 Rc2 30.Qc2 Qd6–/+) 28...Qc3 29.Kg2 (29.Qc3 Rc3 30.Ra2 e5 31.Ra8 Rc8 32.Rc8 Bc8–/+) 29...Qd2–+ 30.Rd2 Rc5 31.Rb2 Kg7 32.h4 gh4 (32...e5 33.f3–+) 33.gh4 Kf6 34.Kg3 (34.f3 ef3 35.Kf3 h6–+) 34...e5 35.Bf1 (35.f4 d4 36.fe5 Ke5 37.ed4 Kd4 38.Rd2 Ke3 39.Rd7 Ke2 40.Rh7 Rb5–+) 35...Ke7 (35...d4 36.Bg2 Bf5 37.f3 ef3 38.Bf3–+) 36.Be2 (36.Ra2 Bb5 37.Ra7 Ke6 38.Bb5 Rb5 39.Rh7 d4 40.ed4 ed4–+) 36...Kd6 (36...Rc3 37.Ra2 d4 38.Ra7–+) 37.f4 ef3! 38.Kf3 (38.Bf3 Rb5 Deflection; 38.Kf3 Bf5 Combination) 38...Rc3 (38...Bf5 39.h5–+) 39.Kf2 Kc5 40.Bf1 (40.Rd2–+) 40...Bf5 41.Rd2 (41.h5 Rc2 42.Rc2 Bc2–+) 41...Rc2 42.Rc2 Bc2 43.Kg3 (43.Ke1 Ba4–+) 43...Ba4 44.Kg4 (44.Bd3 h6–+ (44...Bb5?! 45.Bh7 d4 46.ed4 ed4 47.Kf2–+)) 44...Bb5 45.Bg2 Bd3 46.h5 (46.Bf3–+) 46...b5 47.Bf3 Bc2 48.h6 (48.Kg5 b4 49.Kf6 e4–+) 48...b4 0–1. Kuznetsky,Boris – Volkov,Petr (2095), N–08–sen, 2008.

6.Be2 c4 7.0-0 Qa5 8.a4 a6 9.Nc3 (9.d3 cd3 (9...ab5? 10.ab5 Qa1 11.Ba1 Ra1 12.dc4+-) 10.cd3 Nbd7+= (worse 10...ab5 11.ab5 Qa1 12.Ba1 Ra1 13.Qc2+/-)) 9...Qd8 (better 9...0-0!?=) 10.d3+/- 0-0 (10...cd3!? 11.cd3 0-0+/-) 11.dc4+- dc4 (11...ab5 12.ab5 (12.cb5?! Qc7+=) 12...Ra1 13.Qa1+-) 12.Bc4 (12.Qd4!? Qc7+-) 12...Qc7+/- 13.Bd3 (better 13.Qe2+/-) 13...Be5? (better 13...Nbd7!?+/-) 14.Qd2 (14.Ne5 Qe5 15.Qf3 ab5 16.ab5 Ra1 17.Ba1 Qh5+-) 14...Bd7? (14...Nbd7 15.Rfd1+-) 15.Rfb1 (15.Ne5 Qe5 16.f4 Qc7+-) 15...Rd8? (15...Bd6 16.b6! Qd8 17.Bh7 Kh7 18.Qd6+-) 16.Ne5 (16.b6!? Qc5 17.Ne5 Qe5+-) 16...Qe5 17.Ne2 Qg5 (17...Qc7 18.Bf6 gf6 19.Qb4+-) 18.Ng3 (18.Nd4 Be8 19.Rd1 Nbd7 20.ba6 Nc5 21.ab7 Nb7+-) 18...ab5 (18...Be8 19.f4 Qh4 20.Ba3+-) 19.ab5 Ra1 20.Ba1 (20.Ra1 Bc8+-) 20...e5 (20...Be8 21.Qb4 Nbd7 22.Ne4+-) 21.Qb4 Nd5 (21...Be6 22.Ne4 Ne4 23.Qe4+-) 22.Qe4 Nf6 23.Qe5 (23.Qb7!? Re8+-) 23...Qe5 24.Be5 Be6 25.Rd1 Nbd7 26.Bf6 gf6 27.Nh5 (27.Bf5 Bf5 28.Nf5 Ra8+-) 27...Rc8 28.f4 (28.Be4 f5 29.Bb7 Rc2+-) 28...f5? (better 28...Bg4 29.Rd2 Bh5+/-) 29.Ng3 Nc5 (29...Rc5 30.e4 fe4 31.Ne4+-) 30.Nf5 Nd3 (30...Ra8 31.Nd6 Ra2+-) 31.Ne7 (31.Rd3 Bf5 32.Rd4 Bc2-+) 31...Kg7 32.Nc8 (32.cd3 Rc3 33.e4 Kf6+/-; 32.Rd3?! Rc2 33.e4 Rb2+/-) 32...Nb4 (32...Nf4 33.ef4 Bc8+-) 33.c4! Bc4 (33...Bc8 34.Rd8 Bf5+-) 34.Rd4 (34.Nd6 Be6 35.Nb7 Kf6+-) 34...Be6 35.Rb4 Bc8 36.b6 (36.e4 Bd7 37.b6 h5+-) 36...Kf6 (36...Bg4 37.e4 Be6 38.f5+-) 37.Rc4 Bd7 (37...Be6 38.Rc6! Kf5+- (38...bc6?? 39.b7+-)) 38.Rc7 Bc6 (38...Bf5 39.Rb7 Bc8+-) 39.Rc6! (39.Rc6 bc6 40.b7+-) 1-0. Bushwacker (1810) - delboy138 (1800), ChessWorld.net, 2011.

6.Be2 Qc7 7.0-0 (7.Bf6 gf6 8.c4 d4=) 7...Nbd7 (7...e5 8.Nh4=+) 8.d3 (8.d4 cd4 9.ed4 Ng4=) 8...a6 (8...e5 9.Nh4=+) 9.ba6 (9.Na3 0-0=+) 9...ba6=+ 10.Nbd2 Rb8 (10...e5 11.Rb1=+) 11.Rb1= 0-0 12.c4 e5 (12...Bb7 13.cd5 Bd5 14.Qc2=) 13.cd5 Nd5 14.Nc4 h6 (14...Bb7 15.Nfd2=) 15.Nfd2+= Be7 (15...Bb7 16.Bf3+=) 16.Bg4 f5 17.Bf5 Rf5 18.e4 Rf7 (18...Rf4 19.ed5 Bb7 20.Ne3+/–) 19.ed5 Bd6? (better is 19...Bb7+=) 20.Ne4+– (20.Nd6?! Qd6 21.Re1 Qd5+=) 20...Bf8 21.Qg4 (21.Qh5 Qd8+–) 21...Rb2? (21...Qb7 22.Qe6 Nb6 23.Qe5 Re7 24.Nc5 Re5 25.Nb7 Nc4 26.Be5 Ne5+/–) 22.Rb2 Nf6 23.Nf6 Rf6 24.Qe2 Rg6 25.Ne5 Rg5 26.Nf3 Bg4 27.h3 Bh5 28.Rfb1 Qf4 29.Qe6 Bf7 30.Ng5 Be6 31.Ne6 Qe5 32.Rb8 Qd5 33.Rf8 Kh7 34.Nf4 Qa2 35.Rbb8 Qa1 36.Kh2 (36...g6 37.Rb7 Qg7 38.Rg7 Kg7 39.Ne6 Kh7 40.Nc5+–) 1–0. chem1st – ncc_1701, ChessWorld.net, 2005.

6.Ne5 0-0 7.Be2 Nbd7 8.f4 Qc7 (8...a6+=) 9.0-0? (better is 9.Nd7!? is a viable option 9...Bd7 10.Bf6 gf6 11.0-0=) 9...Ne5–/+ (9...Be5?! 10.fe5 Ne5 11.Qe1=) 10.fe5 Be5 11.Be5 Qe5 12.Nc3 (12.Na3 h6–/+) 12...Bd7 (12...d4 13.ed4 cd4 14.Na4–/+) 13.Qe1 d4 14.Nd1?? a blunder in a bad position (better is 14.Na4 de3 15.de3 Qe3 16.Qf2 Qf2 17.Kf2–/+) 14...d3! Decoy: b5 15.Bd3 (15.cd3 Qa1 Discovered attack (15...Bb5 Interception Decoy); 15.Bd3 Qa1 Discovered attack) 15...Qa1 16.Qg3 (16.Qh4 does not win a prize 16...Rfc8 17.Nc3–+) 16...Nh5 (better is 16...Qc1!? keeps an even firmer grip 17.Qd6 Rfd8 18.Qc5 Qd2 19.Qg5–+) 17.Qf3?? White has lost his nerve... understandable when you consider his position (better is 17.Qg5 c4 18.Bc4–+) 17...Qe5–+ 18.g4 (18.Qb7 doesn't get the bull off the ice 18...Qd6–+) 18...Nf6 19.h3 (19.a4 is not the saving move 19...Rad8–+) 19...c4! Decoy: c4 20.Bc4 (20.Bc4 Qe4 Decoy Double attack) 20...Qe4 (20...Ne4 seems even better 21.Qg2 Nd6 22.d3–+) 21.Qe2 (21.Bd3 cannot undo what has already been done 21...Qf3 22.Rf3 Rae8–+) 21...Rac8 (better is 21...Qc2!? and Black can already relax 22.Nc3 Ne4 23.Ne4 Qe4 24.a4–+) 22.Bd3 Qe5 23.Kg2 (23.Nc3 is no salvation 23...Rc3 24.dc3 Qg3 25.Qg2 Qe3 26.Kh1 e5–+) 23...Rc5 (23...Ne4 seems even better 24.Rf4 f5 25.Be4 fe4 26.Rf8 Rf8 27.Nc3–+) 24.Nc3 Nd5 25.Nd5 Qd5 26.e4 Qa2 27.c4 e5 28.Qe3 Rcc8 29.Rf2 Qa3 30.Rf3 Qc5 31.Qg5 f6 32.Qh4 Be6 0–1. Ortlepp,Olaf – Heckers,Uwe, Dortmund1, 2001.

7.d3 Nbd7 8.Nbd2 a6 9.c4 b6 10.g3 (10.Be2 Bb7=) 10...Bb7 11.Bg2 e5 12.cd5 ab5 13.ab5 Ra1 14.Qa1 Nd5 (14...Bd5 15.e4 Be6 16.0-0=) 15.Nc4= Can e5 get defended? (worse 15.Ne5 Ne3 16.fe3 Bg2-/+) 15...Nb4 16.0-0 Bb8 (16...Qe7 17.Be5 (17.Nce5? Ra8 18.Qb1 Ne5 19.Ne5 Bg2 20.Kg2 Be5-+; worse 17.Nfe5 Bg2 18.Kg2 Be5 19.Be5 Nd3=+) 17...Ne5 18.Nfe5 Bg2 19.Kg2 Nd3 20.Nf3=) 17.Rd1 Re8 18.Qa4 (18.Nce5? Ne5 19.Ne5 Bg2 20.Kg2 Be5 21.Be5 Qd5 22.e4 Qe5 23.Qe5 Re5-+; 18.Nfe5?! Bg2 19.Nd7 Qd7 20.Kg2 Nd3=) 18...Bd5 (18...Qe7 19.Qb3=) 19.Ne1 (19.e4 Be6+=) 19...Be6 (19...Bg2 20.Kg2 Nd5 21.Nf3=) 20.Nc2 Qe7 (20...Nd5 21.Ra1=) 21.Ba3 (21.Nb4 cb4 22.Qc2 Rc8+=) 21...Nd5= 22.d4?? (better 22.Qb3=) 22...Nc3-+ 23.Qb3 Nd1 24.d5 Bg4 (24...e4 25.de6 Qe6 26.f4-+) 25.f3 e4! 26.fg4 (26.fe4 Qf6 Decoy) 26...Qf6 27.d6 Qf2 (27...Bd6 28.g5 Qf2 29.Kh1-+) 28.Kh1 Qe2 29.h3 0-1. ennlenk (1960) - marekt (2210), gameknot.com, 2021.

7.d3 Nbd7 8.Nbd2 b6 9.Be2 Bb7 10.0-0 e5 11.h3 Qe7 Black prepares the advance e4 12.d4 e4 13.Nh2 (13.dc5 bc5 14.Nh2 a6=+) 13...Bc7 (13...c4 14.Bc3-/+) 14.dc5=+ bc5 15.Ng4 Ng4 16.Bg4 Nf6 17.Bf6 Qf6 (worse 17...gf6 18.Bf5 Qd6 19.f4+=) 18.f4? (18.a5 d4 19.ed4 cd4-/+) 18...ef3! 19.Rf3 (19.Qf3 Qe5 Combination; 19.Nf3 Qh6 Combination; 19.Rf3 Qe5 Combination; 19.gf3 h5 Combination; 19.Bf3 Qe5 Combination) 19...Qe5-+ 20.Nf1 (better 20.Bd7-+) 20...d4?? (better 20...f5 21.Bh5 g6-+) 21.Rf5 Qe4 22.Qe2 Bc8 (22...Bd6!?=+) 23.Rc5= Bg4 24.hg4 (24.Qg4!? Qg4 25.hg4=) 24...Bb6=+ 25.Rc4 Rac8 (25...Qe5 26.a5 de3 27.Ra3-/+) 26.Rc8 (better 26.a5 Bc7 27.Rd4+/-) 26...Rc8-/+ 27.Rc1 de3 28.c4 g6 (28...Qf4 29.Kh1-/+) 29.Rc3 (29.g3 Qe7-/+) 29...Qd4 30.Rc2 Re8 31.Kh1 Re4 32.Ng3?? (better 32.a5 Ba5 33.Kh2-+) 32...Rg4-+ 33.Nf1 Rh4 (better 33...Rf4 34.c5 Bc5 35.Rc5 Qc5 36.Kg1-+) 34.Kg1 Qf4 (better 34...Rf4 35.c5 Bc5 36.Rc5 Qc5-+) 35.Ne3?? (better 35.c5 Qh6 36.Ne3 Rh1 37.Kf2 Qh4 38.Kf3-/+) 35...Be3 36.Qe3 (36.Qf2 Qd4 37.Qe3 Qe3 38.Rf2 Rf4 39.Kh1 Qe1 40.Kh2 Qf2 41.b6 Rh4) 36...Qe3 37.Rf2 Rf4 (37...Rf4 38.Kh1 Qe1 39.Kh2 Qf2 40.b6 Rh4) 0-1. Abdullaevich (1805) - bek666 (1885), lichess.org, 2019.

7.d3 Re8 8.Nbd2 e5 9.h3 e4 (9...d4 10.Nc4=+) 10.de4 de4 (better 10...Ne4 11.Bd3 Qa5=+) 11.Bf6 (better 11.Ng5 Bf5 12.Nc4=) 11...Qf6-/+ (11...gf6?! 12.Nc4 Bc7 13.Qd8 Rd8 14.Nfd2=) 12.Ng1 Qc3 (12...Be5 13.Ra2 Rd8 14.c4-/+) 13.Be2? (13.Ne2 Qa5=+) 13...f5 (13...Be5 14.Rc1 Be6 15.Bf1-+) 14.Bf1 (14.Bc4 Kh8=+) 14...f4 (14...Be6!?-/+) 15.Ne2 Qf6 16.Nf4 Bf4 17.ef4 Qf4 (17...e3 18.fe3 Qh4 19.Ke2 Qf4 20.Ra3=) 18.Bc4 Be6 19.Be6 Re6 20.0-0?? (better 20.Nc4 Qg5 21.0-0=) 20...Rd6-+ 21.g3 Qd2 22.Qd2 0-1. Abdullaevich (1950) - dobrzhinskij_yv (2015), lichess.org, 2020.

7.Be2 b6 8.0-0 Bb7 9.d3 Nbd7 10.Nbd2 Qc7 11.d4 e5 (11...cd4!? 12.ed4 a6=+) 12.Ne5 Ne5 13.de5 Be5 14.Be5 Qe5 15.Bf3 (15.a5 d4=) 15...Rfd8 Black intends d4 16.a5 Ne4 (16...a6 17.ab6 ab5 18.c4=+) 17.ab6 (better 17.a6!? Nd2 18.Qd2+/-) 17...ab6= 18.Ra8 Ba8?? (better 18...Ra8 19.c4 Nc3=) 19.Ne4+- d4 20.Ng3 1-0. Abdullaevich (1885) - aileenmalsawmdawngi (1865), lichess.org, 2020.

7.Be2 b6 8.0-0 Bb7 9.h3 Nbd7=+ 10.d3 Rc8 (10...Qe7 11.c4=+) 11.Nbd2 e5 12.e4 (12.c4 e4 13.de4 de4=) 12...de4 (12...c4!? 13.dc4 de4=+) 13.Ne4 Ne4 14.de4 Qe7 15.Nd2 Nf6 16.f3 (16.Bd3 Rfd8=) 16...Nh5=+ 17.Bc4 Nf4 18.a5? (better 18.Kh2=) 18...Qg5-+ 19.Rf2? (better 19.g4-+) 19...Nh3 20.Kf1 Nf2 21.Kf2 Rcd8 22.ab6 ab6 23.Ra7 (23.Qe1 Ra8-+) 23...Rd7 (better 23...Bb8 24.Rb7 Rd2 (24...Qd2?! 25.Qd2 Rd2 26.Kg3-+) 25.Qe2 Re2 26.Be2 Qh4 27.g3 Qh2 28.Kf1 Qg3-+) 24.Nf1 Qe7 25.Qa1 (25.Qe2 Rfd8-+) 25...Bb8 26.Ra3 Kh8 (26...Rfd8 27.Ne3-+) 27.Ne3 Qh4 28.Kg1 1-0. Abdullaevich (1770) - Snoek (1775), lichess.org, 2019.

8.0-0 e5 9.d3 Re8 10.h3 (10.a5 Bc7=+) 10...b6 11.Nbd2 Bb7 12.Nh2 (12.c4 a6=+) 12...e4 (12...a6 13.Nhf3=+) 13.Ng4 Ng4 14.Bg4 Ne5 (14...ed3 15.cd3 a6 16.d4=+) 15.d4 (15.de4!? de4 16.Bf5+=) 15...Ng4=+ 16.Qg4 Bc8 17.Qg5?? (better 17.Qh5=+) 17…Qg5-+ (17...Qg5 18.f4 ef3 19.Rf3 Re3-+) 0-1. Abdullaevich (1775) - FFRodrigues (2120), lichess.org, 2020.

8.d3 b6 9.0-0 Bb7 10.Nbd2 Qc7 11.a5 A) 11...a6 12.ba6 (12.ab6 Qb6 13.e4 e5 14.ba6 Ra6 15.Ra6 Ba6 16.Qa1 Ra8 17.Ne5 Qb8+=) 12...Ra6 13.ab6 Rb6 14.Bc3 Qc6 15.d4 c4 16.Ne5 Qc8 17.f4 Ra6=; B) 11...ba5 12.Bc3 (12.Nb3 a6 13.Bf6 Nf6 14.Ra5 ab5 15.Rb5 Ba6 16.Ra5 c4 17.dc4 dc4–+) 12...a6 13.Ba5 Nb6 14.c4 Ng4 15.h3 Nh2 16.Bb6 Nf3 17.Bf3 Qb6+=.

8.d3 b6 9.0-0 Bb7 10.Nbd2 Qc7 11.Qb1 A) 11...e5 12.Nh4 (12.h3 a6 13.ba6 Ba6 14.c4 Bb7 15.e4 d4 16.Bc1 Bc6 17.Bd1 Ra5–/+) 12...a6 13.Nf5 ab5 14.ab5 Rfe8 15.Ra8 Ra8 16.c4 Bf8 17.Bf3 g6=; B) 11...a6 12.c4 (12.Rd1 ab5 13.ab5 Ra1 14.Ba1 Ra8 15.c4 e5 16.e4 d4 17.Bb2 Nh5+=) 12...ab5 13.ab5 Ra1 14.Ba1 Ra8 15.cd5 ed5 16.Rc1 Qd8 17.Nb3 Qe7+=.

8.d3 b6 9.0-0 Bb7 10.Nbd2 Qc7 11.c4 A) 11...Ng4 12.h3 (12.g3 a6 13.ba6 Ra6 14.d4 Ra7 15.dc5 bc5 16.cd5 Bd5 17.e4 Bc6=) 12...Nh2 13.Nh2 Bh2 14.Kh1 Bd6 15.cd5 ed5 16.Qb3 Rfe8 17.Bf3 Be5=; B) 11...a6 12.cd5 (12.Qc2 Rfd8 13.cd5 Nd5 14.ba6 Ra6 15.Ne4 Ra5 16.Rfb1 e5 17.Qc4 Rda8=) 12...Bd5 13.e4 Bb7 14.ba6 Ba6 15.d4 Ng4 16.h3 Nh2 17.Ba6 Ra6=.

8.d3 b6 9.0-0 Bb7 10.Nbd2 Qc7 11.Kh1 A) 11...a6 12.c4 (12.ba6 Ra6 13.c4 Rfa8 14.d4 R6a7 15.dc5 Nc5 16.Bf6 gf6 17.Nd4 Ra4+=) 12...ab5 13.cb5 e5 14.Qc2 Rfc8 15.Rfc1 Ra7 16.Nh4 Rca8 17.Nf5 Bc8=; B) 11...e5 12.Nb3 (12.a5 ba5 13.Bc3 e4 14.de4 de4 15.Ng5 h6 16.Nh3 Be5 17.Ba5 Nb6+=) 12...c4 13.Nc1 a6 14.Na2 Rfe8 15.Nc3 Bb4 16.dc4 dc4 17.Qb1 a5+=.

8.d3 b6 9.0-0 Bb7 10.Nbd2 Qc7 11.h3 a6 (11...e5 12.Re1 (12.c4 e4 13.Nh4 ed3 14.Bd3 Bh2 15.Kh1 Be5 16.Qc2 Bb2 17.Qb2 Ne5+=) 12...Rfe8 13.c4 e4 14.de4 de4 15.Nh4 Rad8 16.a5 ba5 17.Qa4 Bh2+=; 11...Rfd8 12.a5 (12.c4 a6 13.ba6 Ra6 14.cd5 Nd5 15.Ne4 Be7 16.Qb3 Bc6 17.d4 Ra5+=) 12...ba5 13.Bc3 a6 14.Ba5 Nb6 15.e4 de4 16.de4 Be4 17.Ne4 Ne4=) 12.c4 (12.ba6 Ra6 13.c4 Rfa8 14.d4 R6a7 15.cd5 Bd5 16.Bb5 cd4 17.Rc1 Qb7+=) 12...ab5 13.ab5 (13.cb5 Rfd8 14.Rc1 Ra7 15.Qc2 e5 16.Rfd1 Rda8 17.Ra1 d4+=) 13...Ra1 14.Qa1 (14.Ba1 Ra8 15.Qc2 e5 16.e4 de4 17.de4 Nh5=) 14...Ra8 15.Qd1 (15.Qb1 e5 16.e4 dc4 17.dc4 Nh5=) 15...Ne5 (15...e5 16.Qc2 e4 17.Nh4 Bh2=) 16.Qc2 Nf3 17.Nf3 (17.Bf3 dc4=) 17...e5 18.Ra1 Ra1 19.Ba1 d4 20.e4 Bc8 21.Qa2 g6 22.Bb2 Nh5 23.Bc1 Nf4 24.Ne1 Ne2 25.Qe2 f6 26.Qa2 f5 27.f3 f4 28.Nc2 Qb7 29.Bd2 Be7 30.Be1 Kg7 31.Kf1 g5 32.Na1 h5 33.Nb3 g4 34.hg4 hg4 35.fg4 Bg4 36.Nd2 Bf6 37.Nf3 Kf7 38.Qa6 Qb8 39.Nh4 Bc8 40.Qa4 Bg4 41.Qa6 Bc8 ½–½. phildo (1865) – ghalloween (1920), gameknot.com, 2013.

7.Nc3 0-0 8.Ne2 ab5 9.ab5 Ra1 10.Ba1 b6 11.Qc1 Bd7 12.c4 dc4 13.Qc4 Qe8 (13...Qe7 14.Be5=+) 14.Nc3 (14.Bf6 gf6 15.Qh4 Qd8+=) 14...Qc8 (14...e5 15.Bd3 Be6 16.Qh4=) 15.Qh4 (15.Na4 Qc7 16.Bf6 gf6+=) 15...Be7 (15...Qc7 16.Bc4=) 16.Ne4 Qd8 (16...Nd5 17.Qg3 f6 18.Bc4+=) 17.Neg5 (17.Nf6 Bf6 18.Bf6 Qf6 19.Qf6 gf6+=) 17...h6= 18.Nh3 (18.Ne4 Ne8 19.Qg3 f5=) 18...Nd5=+ 19.Qc4 Nc7 The isolani on b5 becomes a target 20.Bg7?? (better 20.Qa4=+) 20...Kg7-+ 21.Qg4 Kh7 22.Ne5 (22.Qa4 Bd6-+) 22...Rg8 (22...Bb5 23.Qh5 Qd5 24.Bb5 Nb5 25.Nf4-+) 23.Qe4? (better 23.Qf4 f5 24.Nf7-+) 23...f5 24.Qc4 (24.Qa4-+) 24...Bb5 25.Qc3 (25.Qc2 Bf1 26.Rf1 Qd5-+ (26...Rg2?! 27.Nf4 Qg8 28.Ng2 Qg2 29.Qb2-+)) 25...Bf1 26.Rf1 Nd5 27.Qb2 (27.Qb3 Rg2 28.Rg1 Qg8-+ (worse 28...Rh2 29.Nf4 Qd6 30.Nf3 Nf4 31.ef4-+)) 27...Bf6 (27...Rg2 28.Nf3-+) 28.f4 (28.g3 Nc6! 29.Nc6 Bb2 30.Nd8 Rd8-+) 28...Nd7 (better 28...Nb4 29.Qb3 Be5 30.fe5 Nd3 31.Kd1 Rg2-+) 29.Nf7 (29.g3 Qc7-+) 29...Qe7 (better 29...Bb2!? 30.Nd8 Rd8 31.Ke2-+) 30.Ne5 Ne5 (better 30...Rg2 31.Nf2-+) 31.fe5 Bh4 (better 31...Bh8 32.g3 Qc7-+) 32.Ke2 (32.g3-+) 32...Rg2 33.Nf2 Rh2 34.Rg1 (34.Qb5 Qg7 35.Qc4-+) 34...Rf2 (better 34...Bf2 35.Rh1 Rh1 36.Qb5-+) 35.Kd3 Nb4 36.Kc4 Qd7 37.Qc3 Qd2 (37...Qd5 38.Kb5 c4 39.Kb6 Bd8 40.Ka7 Qd7 41.Ka8 Qc8 42.Ka7 Nc6) 38.Ra1 Qc3 (38...Qd5 39.Kb5 Qc6 40.Kc4 b5 41.Kb3 Qd5 42.Qc4 Qc4 43.Ka3 Qd3) 39.Kc3-+ Rc2 (39...b5 40.Kb3 Nd5 41.Ra7 Be7 42.Ka3-+) 40.Kb3 Re2 (40...b5!? 41.Rd1 Be7 42.Rd6-+) 41.Ra7 Kg6 42.Kc4 Re3 43.Kb5 Re5 (43...Nd5!? 44.Ra1-+) 44.Kb6 Bd8 (44...c4!? 45.Ra4 Bf2 46.Kb7 Rb5 47.Kc7-+) 45.Kb5 f4 46.Rd7 Bf6 (better 46...f3!? 47.Rd8 f2 48.Rf8-+) 47.Kc4 f3 48.Rd1 f2 49.Rf1 Bh4 0-1. Akrapovik (1605) - manel008, lichess.org, 2020.

7.c4 ab5 8.cb5 0-0 9.Be2 Nbd7 10.0-0 b6 11.h3 Qc7 12.d3 Bb7 13.Nbd2 e5 14.Qc2 e4 15.de4 de4 16.Nh4 Rad8 (16...Bh2 17.Kh1=+) 17.Nf5 Be5 18.Nc4 Bb2 19.Qb2 Bd5 20.Rfd1 (20.Ne7!? Kh8 21.Nd5 Nd5 22.Rfd1+=) 20...Bc4= 21.Bc4 Qe5 (21...Ne5!? 22.Be2 c4=) 22.Qe5+= Ne5 23.Be2?? (better 23.Ne7!? Kh8 24.Rd8 Rd8 25.Nc6 Nc6 26.bc6+-) 23...Rfe8 (23...Rd1 24.Rd1 Ra8 25.Rd6=) 24.g4 (24.Nd6!? Rf8 25.a5 ba5 26.Ra5+/-) 24...g6 25.Ng3 Ned7 (25...Rd1 26.Bd1 h6 27.a5 ba5 28.Ra5=) 26.Rd6 (26.g5 Nh5 27.Bh5 gh5+/-) 26...Re7 (26...h6 27.Rad1 Kg7 28.h4+=) 27.Rad1+/- Kf8?? (better 27...Kg7+/-) 28.Rf6!+- Nf6 (28...Ra8 29.Rfd6 Ra7 30.Bf1+-) 29.Rd8 Kg7 30.Rd6 Nd7 (30...Ra7 31.Bd1 Rb7 32.g5+-) 31.Kg2 (31.g5 Kf8+-) 31...f6 (31...h6 32.Ne4! Re4 33.Rd7 Ra4 34.Rd6+-) 32.h4 (32.Ne4 Re4 33.Rd7 Kf8 34.Rh7 Ra4+-) 32...Kf8 33.Ne4! Re4 34.Rd7 Ra4 35.Rh7 Rb4 (35...Ra2 36.Kf3 g5 37.hg5 fg5 38.Rb7+-) 36.Rb7 c4 37.Rb6 c3 (37...Kg7 38.Rb7 Kh8 39.Kf3+-) 38.Rc6 (38.Rf6 Ke7 39.Rc6 Rb2+-) 38...Rb3 (38...f5 39.h5+-) 39.Rf6 Ke7 (39...Kg7 40.Rc6+-) 40.Rc6 (40.Rg6 Rb2 41.Kf3 c2+-) 40...Kd7 (40...Rb2 41.Bd3 Rb3 42.Bg6 Rb5 43.Rc3+-) 41.Kf3 Ke7 (41...Ra3 42.Rg6 Ra8 43.Bd3+-) 42.h5 gh5 43.gh5 Kf7 (43...Ra3 44.h6 Ra8 45.h7 Rf8 46.Kg4+-) 44.h6 (44.Bc4 Ke7 45.Bb3 Kd7 46.h6 Kd8 47.h7 Ke7 48.h8Q Kd7 49.Qf8 c2 50.Be6) 44...Kg8 45.Bd3 (45.Bc4 Kf8 46.h7 Kg7 47.Rc7 Kh8 48.Bd3 Rb5 49.Rc8 Kg7 50.h8Q Kf7 51.Qh7 Ke6 52.Rc6 Ke5 53.Qf5) 45...c2 (45...Rb5 46.h7 Kg7 47.Rc7 Kh8 48.Rc8 Kg7 49.h8Q Kf7 50.Qh7 Ke6 51.Rc6 Ke5 52.Qf5) 46.Bc4 (46.h7 Kg7 47.Rc7 Kh8 48.Rc8 Kg7 49.h8Q Kf7 50.Qh7 Kf6 51.Rc6 Ke5 52.Qf5) 46...Kh7 47.Bb3 (47.Bb3 c1Q 48.Rc1 Kh6 49.Rc6 Kg5 50.Kg3 Kf5 51.Re6 Kg5 52.f4 Kf5 53.e4) 1-0. Abdullaevich (1845) - sf6 (1620), lichess.org, 2019.

7.a4 b6 8.Be2 Bb7 9.0-0 Nbd7 10.d3 (10.cd5 Bd5 11.Nc3 Bb7=) 10...0-0 (10...dc4 11.dc4 Qc7 12.Nbd2=) 11.Nc3 (11.cd5 Nd5 12.Nbd2 e5=) 11...Qc7 (11...dc4 12.dc4 Qc7 13.Qc2=) 12.cd5= Nd5 13.Nd5 (13.Ne4 e5=) 13...Bd5 14.Rc1 (14.Qc2 Rad8=) 14...Rac8 15.e4 Bb7 16.d4 (better 16.Rc4=) 16...Be4–/+ 17.dc5 Bf3?? (better 17...Nc5 18.Qd4 f5–+) 18.cd6+– Be2 19.Rc7 Bd1 20.Rd1 (20.Rd7 Ba4 21.Rc1 Rb8–/+) 20...Rcd8 (20...Rfd8 21.f4+–) 21.Ba3 (21.Bd4 e5 22.Be3 f6+–) 21...f5 (21...f6 22.Rb7+–) 22.Re1 (22.f4 h6+–) 22...Rfe8 (22...e5 23.Bc1 h6 24.f4+–) 23.f4 (23.Bc1 Nc5 24.Rd1 Rd7+– (24...Na4? 25.Bg5 Nc5 26.d7 Rd7 27.Rdd7 Nd7 28.Rd7+–)) 23...Kf7 (23...h6 24.Re3+–) 24.Kf2 (24.Bc1 Kf8+–) 24...Kg6 (24...g5 25.fg5 e5 26.Re3+–) 25.Kf3 (25.Bb2 Nf6 26.Bf6 Kf6+–) 25...h5 (25...e5+–) 26.h3 (26.Bb2 Nc5 27.Rg7 Kh6+–) 26...Kf7? (26...e5!?+=) 27.g4 (27.Bb2 Kf8+–) 27...hg4 28.hg4 Kf6 (28...fg4 29.Kg4 Kf8 30.Bb2+–) 29.Bb2 Kg6 30.gf5 Kf5 31.Rg1 e5 32.Rg7 e4 (32...Ke6 33.f5! Kd6 34.Rc1 e4 35.Kf4+–) 33.Ke3 Nf6 (33...Ke6 34.Bd4 Nc5 35.Rg6 Kd5 36.Rg5 Kc4 37.Bc5 bc5 38.Rgc5 Kb3+–) 34.Rg5 (better 34.Rcf7 Ke6 35.Rf6 Kd5+–) 34...Ke6 35.Re5 Kd6 36.Rc6 Kd7 37.Rf6 Re5 38.Be5 1–0. tsodikovich (1850) – brgurgame, gameknot.com, 2017.

7.Nc3 0-0 =.

7.Nc3 d4 8.ed4!? cd4 9.Nd4 +=.

7.Nc3 d4 8.Ne2 e5=+ 9.ed4!? ed4 10.Qa4 –/+.

7.Nc3 d4 8.Ne2 e5 9.g3 0-0 10.ed4 (10.Bg2 a4+=) 10...cd4 11.Bg2 Bg4 (better is 11...d3 12.Nc3 Qc7–/+) 12.0-0? (better is 12.h3!? Bf5 13.c5 Bc5 14.Ne5+=) 12...d3–+ 13.Nc3 (13.Nc1 e4–+) 13...e4 14.Ne4 (14.Re1 Re8–+) 14...Ne4 15.h3 Bh5 16.g4 Bg6 17.Qb3 (17.Ne5 Be5 18.Be5 Re8–+) 17...Re8 18.Qd3 (18.Bd4–+) 18…Bh2!! (18...Bh2 19.Kh2 Qd3–+) 0–1. Reimer,K – Walker,E, Hauenstein Pfalz, 1991.

7.Nc3 d4 8.Ne2 e5=+ 9.g3 Bg4–/+ 10.Bg2 d3 (10...e4 11.Ng5 d3 12.Bf6 gf6 13.Ne4–+) 11.Nc3 e4 12.Ne4 Ne4 13.0-0 (13.Bg7 Rg8 14.Bb2 a4–+) 13...0-0 14.h3 Bh5 15.g4 Bg6 16.Qb3 (16.Ne5 Be5 17.Be5 Nd7–+) 16...Re8 17.Qd3 (17.Ne1–+) 17…Bh2!? –+. Reimer,K – Jennewein, Hauenstein Pfalz, 1991.

7.a4 0-0 8.Na3 ab5 (8...Nbd7 9.Qb3=) 9.ab5 (9.Nb5 Nc6=) 9...Nbd7=+ 10.Be2 b6 11.0-0 Bb7 12.Qc2 Ne4 13.d3 Nef6 14.Qb3 (14.Qc3 h6=+) 14...Re8 15.h3 dc4 (better 15...Qc7!?=+) 16.Nc4+= Be7 (16...Qe7 17.Nd6 Qd6 18.Qc3+=) 17.Ra8+– Ba8 18.Ra1 Bd5 19.e4 (19.Ra7 Bd6+–) 19...Bb7 (19...Bc4 20.Qc4 (worse 20.dc4 Ne4 21.Bd3 Nef6=) 20...Qb8 21.Ra6+–) 20.Nfe5 Ne5 21.Be5 Nd7 22.Bg3 (22.Bh2!?+–) 22...Bh4 23.Bh4 Qh4 24.Ra7 Rb8 25.Bg4 (25.Qc3 Qf4+–) 25...h5 (25...Qd8 26.Qc3+=) 26.Bf3 g6 27.Qb2 Kh7?? (better 27...Qe7+–) 28.Nd6+– Bc8 (28...Qf4 29.Nb7 Qc7+–) 29.Nc8 (29.Nc8 Rc8 30.Rd7+–) 1–0. DEFFM – GuestJTJX, freechess.org, 2019.

7.a4 ab5 8.ab5 Ra1 9.Ba1 0-0 10.Be2 Nbd7 11.0-0 Qc7 12.h3 dc4 13.Bc4 Ne5 14.Ne5 Be5 15.Nc3 Rd8 16.Qe2 Nd5 17.f4 Nc3 18.Bc3 Bc3 19.dc3 Qd6 20.Bb3 b6 21.e4 g6 22.Rd1 Qc7 23.Rd8 Qd8 24.g4 Kg7 25.Kg2 Bb7 26.Kg3 Qd6 27.Qe3 h6 28.e5 Qd7 29.c4 Ba8 30.Bc2 Qb7 31.Qf2 Qe7 32.h4 Bb7 ½–½. Hasari – Ahtiainen, 1972.

7.a4 ab5!? 8.ab5 Ra1 9.Ba1 Nbd7 +=.

7.a4 dc4 8.Bc4= ab5 9.ab5 Ra1 10.Ba1 0-0 11.0-0 Nbd7 12.d4 Nb6 (12...Qe7 13.dc5 Bc5 14.Qc2=) 13.Nbd2 Nc4 14.Nc4 Bd7 1-0. onur604 (2320) - Bojan36 (2165), Casual Rapid game, lichess.org, 2021.

7.a4 Bd7 8.Nc3+= 0-0 9.Rc1 (9.Bd3!?+=) 9...b6 10.Qb3 dc4 (10...ab5 11.Nb5 (11.cd5? ba4 12.Qa2 Na6–+; 11.ab5?! d4 12.ed4 cd4 13.Nd4 e5+=) 11...Bb5 12.ab5= (worse is 12.cb5 c4 13.Qc2 Nbd7–/+)) 11.Bc4 ab5 12.ab5 (12.Nb5 Be7=) 12...Bc8= 13.e4 (13.0-0 Bb7=) 13...Ng4 (better is 13...Qc7!?+=) 14.Ne2+= White prepares the advance e5 14...Kh8 (better is 14...Bc7!? 15.h3 Nf6+=) 15.h3+/– Nh6 16.Qe3 White intends e5 16...f6 17.e5 (better is 17.0-0!?+/–) 17...fe5+= 18.Ne5 Nf5 19.Qb3 (19.Qe4 Ra7 20.Nf4 Qe8=) 19...Nd4 20.Qe3 Qf6 (better is 20...Nf5!? 21.Qe4 Ra7+=) 21.Ng4+/– Bf4?? (better is 21...Nf5 22.Nf6 Ne3 23.fe3 gf6+/–) 22.Bd4 (better is 22.Qd4 Qd4 23.Bd4 Bb7 24.Nf4 Rf4+–) 22...cd4 (22...Be3 23.Bf6 (23.Nf6?! Bd4 24.Ne4 Bb2=) 23...Bf2 24.Nf2 gf6 25.0-0+–) 23.Qf4 (23.Nf6?! de3 24.Nf4 ef2 25.Kf2 e5+/–) 23...Qf4 24.Nf4 Rf4 (24...g5 25.Ne2 (25.Be6?! Be6 26.Ne6 Re8+–; 25.Ne6?! Be6 26.Be6 Re8+–) 25...h5 26.Ne5+–) 25.Bd5 Ra1 (25...ed5 26.Rc8 Mate attack) 26.Ra1 ed5 27.Ra8 Re4 28.Kf1 1–0. Lunin,Mikhail (2230) – Losev,Ivan, Kolomna, 2009.

7.cd5 ed5 8.a4 0-0 9.Be2 Qe7 10.0-0 Bf5 11.d3 Nbd7 (11...ab5 12.ab5 Ra1 13.Ba1=+) 12.Re1 Rfe8 13.Nc3 d4 (13...Bc7!?=+) 14.ed4+= cd4 15.Nd4 Bg6 (15...Bh2 16.Kh1 Qb4 A) worse 17.Kh2 Qd4 (worse 17...Qb2 18.Qc1 Qc1 19.Rac1+=) 18.Kg1 Ne5-/+; B) 17.Nf5 Qb2 18.Kh2 Qc3 19.d4=) 16.Ne4 Ne4 17.de4 Qe4 18.Bf3 (18.Nf3!? Qc2 19.Qd6 Re2 20.Qd7 Qb2 21.Re2 Qa1 22.Re1+-) 18...Qe1+= 19.Qe1 Re1 20.Re1 Nc5 21.Ba3 ab5 22.Bc5 (22.Nb5!? Bf8 23.Bc5 Bc5 24.Bb7 Ra4 25.Re8 Bf8 26.h3=) 22...Bc5=+ 23.Nb5 Ra4 24.Re8 (24.Bb7 Rb4 25.Ba6 h5=+) 24...Bf8 25.g3 (25.h3=+) 25...Rb4 (better 25...Bd3!? 26.Be2 Be2 27.Re2 Ra5-/+) 26.Nd6= Rb1 27.Kg2 Rb3?? (27...Bd3 28.Bd5 (28.Bb7? Rb6-+; 28.Nb7?? Bf1 29.Kg1 Bh3 30.Bd1 Rd1 31.Re1 Re1) 28...g5 29.Nf7= (29.Bb7? Rb6-+)) 28.Nb7?? (better 28.Nc8 h5 29.Ne7 Kh7 30.Rf8+-) 28...Rd3 29.Nc5 Rd6 30.Bg4?? (better 30.Rb8+=) 30...Rc6?? (better 30...f5 31.Rf8 Kf8-+) 31.Nd7+- h5 32.Rf8 Kh7 33.Bf3 Rd6 (33...Rc7 34.Rd8+-) 34.Ne5 Rf6 35.Ng6 Kg6 (35...fg6 36.Rd8+-) 36.h3 (better 36.Be4 Rf5 37.f4+-) 36...Re6 37.Rh8 Kf6 (37...Re5 38.Bc6+-) 38.Rh5 g6 39.Rh8 Kg7 40.Rb8 Rd6 41.h4 Rd7 (41...f5 42.Be2+-) 42.Rb7 Rb7 43.Bb7 f6 (43...Kh6 44.Bd5 f6 45.Be4+-) 44.Bf3 (better 44.Kf3!? Kh6 45.Kg4 Kg7+-) 44...Kh6 45.g4 g5 (45...Kg7 46.Be4 g5 47.h5+-) 46.Kg3 (46.h5 Kg7+-) 46...Kg6 47.hg5 Kg5 (47...fg5 48.Be4 Kf7 49.f4+-) 48.Be4 Kh6 49.Bf5 (49.Kf4 Kg7 50.Kf5 Kf7+-) 49...Kg7 50.Kf4 Kh6 White now must not overlook the idea Bd7 51.g5! fg5 52.Kg4 Kg7 53.f4 (53.Kg5 Kf8 54.Bg6+-) 53...gf4= 54.Kf4 ½-½. brucepeng (2000) - aRiOSI (2065), lichess.org, 2021.

7.Bf6 gf6 8.cd5 ed5 9.Nc3 =.

7.a4 a5 8.Na3 Bb7 9.Be2 Nbd7 10.0-0 0-0 11.d4 Qc7 (11...Ne4 12.cd5 ed5 13.Nb1–/+) 12.h3 (12.cd5 ed5 13.dc5 bc5=) 12...Rad8 (12...Ne4 13.Rc1–/+) 13.Rc1 (13.cd5 ed5 14.dc5 bc5=) 13...Qb8 (13...Ne4 14.cd5 ed5 15.dc5 Ndc5 16.Nb1+=) 14.Bd3 (better is 14.cd5!? Bd5 15.Nc4=) 14...e5–/+ 15.Ne5 Ne5 16.de5 Be5 17.Qc2 Bb2 18.Qb2 d4 19.ed4 (19.Rfe1 Rfe8 20.ed4 Rd4 (20...cd4?! 21.Re8 Re8 22.Qd4+=) 21.Re8 Qe8–/+) 19...Rd4–+ 20.Rcd1 Rfd8 21.Be2 (21.Qb3 Qd6 22.Be2 Ne4–+) 21...Qa8 (21...Qe5 22.Qc2–+) 22.Rd4 (22.f3 Nh5 23.Rd4 Rd4–/+) 22...cd4 (22...Rd4 23.f3–/+) 23.f3 (23.Rd1 Bg2 24.Rd4 Bh3–/+) 23...d3 24.Bd1 Qc8 (24...Nd7 25.Re1–/+) 25.Qf2 Qc7 26.Re1 Bc8 (better is 26...Nd7–/+) 27.Bb3? (better is 27.Nb1–/+) 27...Qd6?? (better is 27...d2 28.Rd1 Rd3–+) 28.c5= bc5 29.Nc4 Qc7 (29...Qf4 30.Qc5 Be6 31.Qb6=) 30.Qd2 Be6 (better is 30...Bh3 31.Na5 Bd7=) 31.Qa5?? (better is 31.Re3+=) 31...Qa5–+ 32.Na5 Bb3 33.Nb3 c4 34.Nc5?? (34.Nd2 c3 35.Rd1–+) 34...d2 35.Rd1 (35.Kf1 c3 36.Nb3–+) 35...c3 0–1. Sopko,Cassio Roberto (1885) – Mourao,Elcio Conte Lofredo (1825), It, 2014. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.b5 c5 5.e3 Bd6 6.c4 b6)

7.a4 a5 8.Nc3 Bb7 9.Be2 0-0 10.0-0 Ng4 (10...dc4 11.Bc4 Qc7 12.h3+=) 11.cd5= e5 (11...ed5 12.d4=) 12.h3 Nh6 (12...Nf6 13.e4+/–) 13.e4 Nd7 14.d3 f5 15.Nd2 f4 16.Nc4 Nf6 17.Qc2 g6 (17...Qc7 18.Rad1+/–) 18.Nd6 (18.Nb1 Qc7+–) 18...Qd6 19.Nb1 Rac8 20.Nd2 Rfd8?? (better is 20...Nd7+–) 21.Nc4 Qc7 (21...Qe7 22.Nb6 Rb8 23.Nc4+–) 22.Be5 Nd7 (22...Qe7 23.Bf4 Nf5 24.Nb6 Nd4 25.Nc8 Rc8+– (25...Nc2?? 26.Ne7 Kf7 27.Nc6 Bc6 28.dc6+–)) 23.Bc7 (23.Bc7 Rc7 24.Rae1+–) 1–0. Speedy – Macho, internet, 2017.

7.Nc3 0-0 8.d4 =.

7.d3 Bb7 8.Be2 0-0 9.0-0 a6 10.Na3 =.

7.d3 Bb7 8.Be2 0-0 9.0-0 Nbd7 10.Nc3 Re8 11.h3 Qe7 12.a4 Rad8 (12...dc4 13.dc4 a6 14.ba6 Ra6 15.Nb5=) 13.Qc2 (13.a5 dc4 14.dc4 e5=) 13...Bb8 (13...e5 14.cd5 Nd5 15.Nd5 Bd5 16.a5=) 14.cd5 (14.a5 dc4 15.dc4 ba5 16.Ra5 Bf3 17.gf3 Nb6=) 14...ed5 (better is 14...Nd5 15.Ne4 Nb4=) 15.Rac1? (better is 15.d4=) 15...d4–/+ 16.ed4 cd4 17.Ne4 Ne4 (17...Be4?! 18.de4 Qe4 19.Bd3=) 18.de4 Be4 19.Qc4 (19.Qd2 Nc5 20.Rce1 Qc7–+ (20...Na4?! 21.Bd4 Qc7 22.g3–/+)) 19...Ne5 (19...Bf3 20.Bf3 Ne5 21.Qb3–+) 20.Ne5 Qe5 21.f4 Qf6 22.g3? (better is 22.Rce1 Bg6 23.Bc1–+) 22...Qg6 23.Kf2 (23.Kh2 d3 24.Bd1–+) 23...Bf4! 24.gf4 Qg2 25.Ke1 d3 (26.Rc2 dc2 27.Bg7 Rd1 28.Bd1 Bf3 29.Be2 c1Q 30.Qc1 Qe2) 0–1. Skerlik,Stanislav – Brindza,Istvan, corr CZE–Cup, 1993.

7.d4 0-0 =.

7.d4 dc4 8.Bc4 cd4 9.Qd4 Bb7 10.Nbd2 (10.Nc3 Qc7=) 10...Qc7 (10...0-0 11.e4 Bc5 12.Qd8 Rd8 13.Bf6 gf6 14.Ke2=) 11.Rc1 Qe7 12.0-0 Nbd7 13.Rfd1 Bc5 (13...Nc5 14.Qh4+=) 14.Qh4 0-0 15.a4 h6 16.Be2 Rac8 17.Nc4 Rfd8 18.a5 Nd5 (18...Bd5 19.Nce5 Ne5 20.Be5+=) 19.Qe7 Be7 20.a6 Ba8 21.h3 (21.Nfe5 Nc5+=) 21...Nc5= 22.Nce5 Bf6 23.Bd4 Nb3 24.Rc8 Rc8 25.Nd7 (25.Ng4!?=) 25...Bd4=+ 26.Nd4 Nd4 (better 26...Nc3!? 27.Nb3 Ne2 28.Kf1 Nc3-/+) 27.Rd4+= (worse 27.ed4 f6 28.Bg4 Kf7-/+) 27...Nc3 28.Bd3 Nd5 29.Ne5 f6 30.Nf3 (30.Rc4 Rd8 31.Nc6 Bc6 32.bc6 Nc7=) 30...e5= 31.Rc4 Rc4 32.Bc4 Kf8 33.Nh4 Ne7 34.Be6 Be4 35.g4 (35.Bc4 g5 36.Nf3 Bf3 37.gf3 f5=) 35...Ke8 (better 35...Bd3!? 36.Bd7 Nd5-/+) 36.Bc4= Kd7 37.f3 (37.Ng2=+) 37...Ba8 (better 37...Bc2!? 38.f4 e4-/+) 38.Kf2 (38.e4 g6+=) 38...Kd6 39.e4 Kc5 40.Bd3 g5 41.Nf5 Nf5 42.gf5 (42.ef5? Bd5-+) 42...Kd4 43.Be2 Be4 44.fe4 Ke4 45.Bg4 h5 (45...Kf4!?=) 46.Bh5+/- Kf5 47.Kf3 (47.Kg3 e4+=) 47...e4+= 48.Ke3 (48.Kg3!?+=) 48...Ke5= 49.Be8 f5 50.Bc6 f4 51.Ke2 Kd4 52.Bd7 f3 (52...e3 53.Bc6=) 53.Kf2+= Kd3 54.Bf5 Kd4 55.Bg4 Kc5 (55...Kd3 56.Bf3 ef3 57.Kf3=) 56.Bd7 Kd4 57.Bc6 Kd3 58.Bd5?? (better 58.Kg3=+) 58...e3-+ 59.Kf3 e2 60.Bc4 Kc4 61.Ke2 Kb5 62.Kf3 Ka6 (62...Ka6 63.Kg4 b5-+) 0-1. finnforce (2155) - paoloone (2180), ChessWorld.net, 2014. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.b5 c5 5.e3 Bd6 6.c4)

7.cd5 ed5 8.Be2 0-0 =+.

7.Be2 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5 7.Be2 Bd6).

7.Be2 Qc7 8.0-0 Nbd7 9.Qc2 dc4 (9...0-0 10.cd5 ed5 11.Nc3=) 10.Na3 Bb7 11.Nc4 0-0 12.Nd6 Qd6 13.d3 Rfd8 14.e4 e5 15.Nd2 Nf8 (better 15...a6!? 16.Nc4 Qe6=) 16.Nc4+– (16.Nc4 Qe7 17.Be5+–) 1–0. onur604 (2285) – Dominese (1995), lichess.org, 2020.

7.Be2 Nbd7 8.0-0 Bb7 (--> 7...Bb7 8.0-0 Nbd7).

7.Be2 Nbd7 8.0-0 Qc7 9.g3 Bb7 10.d3 0-0 11.a4 dc4 12.dc4 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.Nd2 Rad8 16.Qc2 Ne4 17.Rad1? (17.Ne4!? Be4 18.Qb3+=) 17...Nc3 (17...Qc3!? 18.Qb3 Qb3 19.Nb3–+) 18.Rde1–/+ Ne2 19.Re2 Qh5 20.Rfe1 f5 21.f4 Rd2 (better is 21...Rd7!?–/+) 22.Qd2= Qf3 23.Rg2 Qg2 24.Qg2 ½–½. Hal1958 – ABE, playchess.de, 2004.

8.Qb3 Nbd7 9.d4 (9.Be2!?=) 9...0-0 10.Be2 (10.cd5 Bd5 11.Qa4 Bf3 12.gf3 cd4 13.Qd4 Qe7–/+) 10...Re8 (10...cd4!? 11.Nd4 Rc8–/+) 11.0-0+= Rc8 12.cd5 Nd5 (12...ed5 13.Qc2+=) 13.Ne4= Bb8 (13...Be7 14.dc5 Nc5 15.Nc5 Bc5 16.Rac1=) 14.dc5+= Nc5 15.Nc5 Rc5 16.Rac1 Rc1 17.Rc1 Qe7 18.Qc4 (18.Nd4 Be5+/–) 18...Nf6 19.Qc3 Rc8?? (19...e5 20.Qa3=) 20.Qd2 (better is 20.Qc8 Bc8 21.Rc8 Ne8 22.Rb8+–) 20...Rc1= 21.Qc1 Bd6 22.Ne5 Bc5 23.Nc6 Bc6 (23...Qe8 24.Bf3+=) 24.bc6+/– Qc7 25.Bf6 gf6 26.Bf3 e5 (better is 26...Bd6!? 27.g3 f5+/–) 27.Bd5 a5 (27...Kf8 28.Qd1+–) 28.Qc4 Kf8 29.Bf7 (better is 29.Qh4 Kg7 30.Qg4 Kf8 31.Qf5+–) 29...Qc6+/– (29...Qf7?? 30.Qf7 Kf7 31.c7+–) 30.Bg8 (30.Be6 h5 31.a4 Qd6+/–) 30...Qd7+= 31.Qd5 ½–½. Bruno,Gerardo – Mirada,Luciano, Proyeccion07, 2007.

8.d4 0-0 =.

8.Be2 0-0 9.d4 =.

8.Be2 Nbd7 9.Qc2 dc4 10.Bc4 0-0 11.Bd3 =+.

8.Be2 Nbd7 9.Qc2 Qc7 10.cd5= ed5 11.Nd1 0-0=+ 12.h3 Rfe8 13.d4 c4 14.Nc3 Nf8 15.a4 Ng6 16.g4 (16...Qe7 17.g5=+; 16.0-0 Bc8=). Mroz,Antoni – Sarnecki,R, corr Poland, 1986.

8.Be2 Nbd7 9.cd5 ed5 10.Nh4 0-0 =.

8.Nbd2 Nbd7 9.Rc1 0-0 10.cd5 ed5 11.Nh4 =.

8.Nbd2 Nbd7 9.Rc1 Rc8 10.Qb3. katchum (2485) – johannes (1845), net–chess.com, 2004.

8.Bd3 dc4 9.Bc4 Bd5 10.Bd5 ed5 11.dc5 bc5 12.Nc3 +=.

8.Be2 cd4 9.Qd4 dc4 10.Qc4 Bd5 =.

9.0-0 dc4 10.Bc4 cd4 11.Qd4 Nc5 =.

9.cd5 ed5 10.Ba3 0-0 11.0-0 =.

9.cd5 ed5 10.Ba3 Qe7 11.0-0 Ne4 12.Qc2 (12.dc5 bc5 13.Bb2 0-0=) 12...0-0 (12...Rc8 13.dc5 bc5 14.Bb2=+) 13.Nbd2 (13.dc5 bc5 14.Nbd2 a6=+) 13...Rac8 14.Qa4 Rc7 15.Rac1 (15.Qa7?? Ra8 16.Qa8 Ba8 17.dc5 Ndc5 18.Bc5 Nc5–+) 15...c4 (15...Nd2!? 16.Nd2 Qh4=) 16.Bd6+= Nd6 17.Rfe1 (17.Rc3 Re8+=) 17...Rfc8 18.Bc2 Ra8 19.Qb4 f5 (19...a6 20.ba6 Ra6 21.a4=) 20.Nf1 (20.a3 a6=) 20...Qf6 (20...a6 21.ba6 Ra6 22.a4=) 21.Ng3 Ne4 22.Nh5 Qd6 23.Qd6 Nd6 24.Rb1 Ne4 25.Ng3 g6 26.Ne4 fe4–/+ 27.Ng5 Nf8 28.a4 Re8 29.Nh3 Ne6 30.Ra1 Rf7 31.a5=+ Ref8 32.ab6 ab6 33.Ra7 Bc8 34.Rea1 Bd7 35.Rb1 Be8 36.Ra6= Rb7 37.Ra2 Nc7 38.Rab2 Ra7 39.Nf4 Ra5 40.h4 Bd7 41.f3 ef3–+ 42.gf3 Rf6 43.Kf2 Rd6 44.h5 gh5 45.Nh5 c3 46.Rb3 Ra2 47.Rg1 Kh8 48.Rc1 Rh6 49.Nf4 Rh2 50.Kg3 Rhc2 51.Rc3 Rc1 52.Rc1 Ra7 53.Rb1 Ra4 54.Rh1? Ra5 55.Rh6 Be8 56.Rb6–/+ Rb5 57.Rd6 Kg7 58.e4–/+ de4 59.fe4 Rb3 60.Kg4 Nb5 61.Rd8 Kf7 62.Kg5 Rg3 63.Kh4 Re3 64.d5? Re4 65.Kg3 Nd4 66.Nh3 Ke7 67.Rb8 Ne2 68.Kf3 Re5 69.Rb7 Bd7 70.Nf2 Nc3 71.Rb6 Nd5 72.Rh6 Re3 73.Kg2 Nf6 74.Rh4 Kf7 75.Rc4 Kg6 76.Nd1 Rb3 77.Nf2 Be6 78.Nd1 Bc4 0–1. Gerold,Guenter – Vinklarek,Vlastimil, corr ICCF EU/M979, 1991.

9.cd5 ed5 10.dc5 bc5 11.0-0 0-0 =.

9.cd5 Bd5 10.Nc3 =.

7.Na3 c3 8.Bc3 a6 +=.

7.a4 a5 8.Na3 b6 9.Nc4 Bc7 10.d4 Nbd7 11.dc5 Nc5 12.Qd8 Bd8 13.Nd6 Ke7 14.Nc8 (14.Ne5!? Rf8 15.Rd1+/–) 14...Rc8+= 15.Ne5 Re8 16.Nc6 Kf8 17.Be2 Nd5 18.0-0 Bf6 19.Bf6 Nf6 20.Bf3 Rc7 21.Ne5 Nce4 22.Rfc1 Rec8 23.Rc6 Nd2 24.Be2 Nd5 25.Rd1 Ne4 26.Bf3 Nc5 27.Bd5 ed5 28.Rd5 (28.Rd4 f6 29.Rc7 Rc7=) 28...Na4 29.Rd7 Rc6 30.bc6 (30.Rf7 Kg8 31.bc6 Rc6 32.f4= (worse is 32.Nc6 Kf7 33.Kf1 Nc3–/+)) 30...f6–/+ 31.Rf7 Kg8 32.c7 Nc5 33.Nc4 Kf7 34.Nd6–/+ Ke6 35.Nc8 Kd7 36.Nb6 Kc7 37.Nc4 a4 38.Kf1 Kc6 39.Na3 Kb6 40.Ke2 Ka5 41.Nc2 Kb5 42.f3 Kc4 43.e4 Kc3 44.Na3 Kb3 45.Nb5 a3 46.Na3 Ka3 47.Ke3 Kb4 48.Kd4 Ne6 49.Kd5? Nf4 50.Kd6 Ng2 51.Ke6 Kc4 52.e5 fe5 53.Ke5 Kd3 54.f4 Ke3 55.f5 Kf3 56.f6 gf6 57.Kf6 h5 58.h4 Kg4 (58...Kg4 59.Kg6 Nh4 60.Kf6 Nf3 61.Ke6 h4 62.Kd5 h3 63.Kc6 h2 64.Kd6 h1Q 65.Kd7 Qc1 66.Kd6 Nd4 67.Ke5 Qc5 68.Ke4 Ne2 69.Kd3 Kf3 70.Kd2 Qc3 71.Kd1 Qc1 mate; 58...Nh4?! 59.Kg5=) 0–1. Savic,Dragan (2170) – Sakic,Simeon (1960), Senta SER, Open–A, 2012.

7.Bc4 a6 8.d4 =.

7.Bc4 b6 8.0-0 Bb7 (8...a6 9.d4=) 9.Nc3 (9.d4 Nbd7=) 9...0-0 10.a4 (10.h3 a6=) 10...Nbd7+= 11.Qe2 Ne5 (11...Bf3 12.Qf3 Ne5 13.Qe2=) 12.Ne5 Be5 13.Rac1 (13.f4 Bd6=) 13...Qd6 (13...Ne4 14.f4 Bf6 15.a5=) 14.f4 Bc3 15.dc3 (15.Bc3 Ne4=) 15...Ne4 16.Rcd1 Qe7 17.Ba1 Rad8 18.Bb3 Rd1 19.Rd1 (19.Qd1? Rd8 20.Qh5 Nd2–+) 19...Rd8 20.c4 Qh4 21.Rd8 Qd8 22.Qb2 (22.Bd1!?=) 22...Nf6 (22...f6!? 23.Qe2 Qd2 24.Qd2 Nd2–/+) 23.Qe5 =. Bonetti,Shane – edgardcolle, ICC, 2002.

7.Bc4 b6 8.a4 Bb7 9.Qb3 (9.Na3 Nbd7=) 9...Qe7 10.g4. yodamo – BrandochDaha, ChessWorld.net, 2007. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.b5 Bd6 5.e3 c5 6.c4 dc4)

7.Bc4 b6 8.d4 cd4 9.Qd4 Bb7=.

7.Bc4 Qb6 8.0-0 (8.Bf6 gf6 9.Nc3 Rg8+=) 8...Nbd7= 9.Nc3 (9.a4 0-0=) 9...Ne5 (9...0-0 10.a4=) 10.Ne5+= 0-0?? (better 10...Be5 11.f4 Bd6+=) 11.Nf3 Qc7 12.a4 (12.Qc2 Bd7+–) 12...Ng4 13.h3 Bh2 14.Kh1 Ne5 15.Ne5 (15.Kh2?? Nf3 16.Kh1 Qh2) 15...Be5 16.f4 Bd6 (16...Bf6 17.Qh5+–) 17.Qg4 (17.Ne4 f5 18.Nd6 Qd6+–) 17...f5 (17...e5 18.Qg3+–) 18.Qg3 b6 (18...Rf6 19.a5+–) 19.Rac1 Bb7 (19...Qf7 20.e4 Bb8 21.ef5 Qf5 22.Ne4+–) 20.Be6 Rf7 (20...Kh8+–) 21.Nd5 Bd5 22.Qg7 1–0. tsodikovich (1845) – oldbull11, gameknot.com, 2017.

8.0-0 a6 9.d4 ab5 10.Bb5 Bd7 11.Nc3 Qe7 12.dc5 Bc5 13.Qb3 Nc6 14.Na4 Ba7? (better 14...Na5 15.Qd3 Bb5 16.Qb5 Ba3=) 15.Ba3+– Na5 16.Qb2 Qe8 17.Rab1 Bb5 18.Qb5 Qb5 19.Rb5 b6 (better 19...Nc4 20.Bf8 Kf8+–) 20.Bf8 Kf8 21.Ne5 Ke7 (21...Nd5 22.Rd1+–) 22.Rc1 Nd5 (22...Rd8 23.Nb6 Bb6 24.Rb6+–) 23.e4 Kf6 (23...Nf4 24.Rc7 Ke8 25.Nf7+–) 24.Ng4 (24.Ng4 Kg5 25.Ne3+– (worse 25.ed5 Kg4 26.de6 g5 27.h3 Kh5 28.ef7 Kg6+–); worse 24.ed5 Ke5 25.Nb6 Bb6 26.de6 Ke6 27.Rb6 Kd7+–) 1–0. Janek – Hevag, internet, 2018.

8.0-0 Bd7 9.d4+= a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 cd4 (better is 12...Bc8+=) 13.Nd4 (13.Qd4 Qc7+/–) 13...Qb6 (13...Bh2 14.Kh1 Bc7 15.Qf3=+) 14.Nc3 (14.Nf3 Bc8+=) 14...e5 (14...Qc7!? 15.Bd3 Bh2 16.Kh1 Be5=+) 15.Nb3 Bb4 (15...Bf5 16.Qf3 Bg4 17.Qg3+=) 16.Qe2 (16.Nd5!? Qe6 17.Nf6 (17.Nb4 Qc4 18.Nd3 Bb5 19.Ne5 Qf1 20.Qf1 Bf1 21.Kf1 Nbd7–+) 17...Qf6 18.Qh5+/–) 16...Bc3 (16...Bg4 17.Qd3=) 17.Bc3+= Rc8 (17...Bg4 18.Qb2 Qc7 19.Nd2+=) 18.Bb4 (better is 18.Be5 Bg4 19.f3+/–) 18...Na6?? (18...Bg4 19.f3 Be6 20.Be6 Qe6 21.Nc5+=) 19.Be7?? (19.Ba5 Qa7 20.ba6 ba6+–) 19...Nc7?? (19...Nb8 20.Rc1+=) 20.Bf6 (better is 20.Bc5 Qb5 21.Bb5 Bb5 22.Qb2 Bf1 23.Kf1+–) 20...Qf6+= 21.Nd2 (21.Nc5 Qe7 22.Nd7 Qd7+=) 21...Be6 22.Ne4 Qe7 23.Bd3 Nd5 24.Ng3 Nf6 25.Bf5 b6 26.Be6 Qe6 27.Qd3 Qc4 28.Qf5 Qe6 29.Qd3 Qc4 30.Qf5 Qb5?? 31.Qc8+– Qe8 32.Qc4 h6 33.Ne4 b5 34.Nf6 gf6 35.Qb4 Kg7 36.Rd1 Qc6 37.h3 Qc2 38.Rd6 Qc1 39.Kh2 Qf1 40.Qb5 Qf2 41.Qb6 Qf5 42.g4 Qg6?? 43.e4 Qe4 44.Rf6 Qe2 45.Kg3 Qe1 46.Kg2 Qe2 47.Rf2 Qe4 48.Kg1 Qe1 49.Rf1 Qg3= 50.Kh1 Qh3 51.Kg1 Qg4 52.Kh1 Qh3 53.Kg1 Qg4 54.Kh1 Qh3 (55.Kg1 Qg4=). FrutiniMalini – DualSpace, Caissa's Web, 2004.

8.0-0 Nbd7 9.d3 b6 10.Nbd2 Bb7 11.Qb3 Qe7 12.Qc3 Rfe8 (12...a6 13.ba6 Ba6 14.a4=) 13.Rfd1 (13.Ne4 a6= (< 13...Be4 14.de4 Bc7 15.Rfd1+/–)) 13...e5 (13...a6 14.a4=) 14.Qb3 (14.Ng5 Bd5+=) 14...Rf8 (14...a6 15.Ng5 Rf8 16.ba6 Ba6 17.Nge4=) 15.Rac1 (15.Qa4 Rfd8=) 15...Rad8 (15...a6 16.Nh4 Ng4 17.Nf5=) 16.Qc3 (better is 16.Qa4+=) 16...e4? (better is 16...Rfe8!?+=) 17.Ne4+– Be4 (17...Bc7 18.Nf6 Nf6 19.Ne5+/–) 18.de4 Rfe8 (better is 18...Bc7+–) 19.Rd6! Qd6 20.e5 Ne5 (20...Qe7 21.ef6 Qf6 22.Qc2+–) 21.Ne5 Ne4 (21...Rf8 22.Qb3 Qc7 23.Nc6+–) 22.Nf7 (22.Bf7?! Kf8 23.Nd7 Kf7 24.Qg7 Ke6 25.Qg4 Kf7+–) 22...Nc3 (22...Qd1 23.Qe1 Qe1 24.Re1 Nd2+–) 23.Nd6 Kf8 24.Ne8 Re8 25.Rc3 Rd8 26.Rd3 Rd3 27.Bd3 (27...g6 28.Be5+–) 1–0. pierred – dannyboy238, ChessWorld.net, 2006.

8.0-0 Nbd7 9.d4 Nb6 10.Nbd2 Nc4 11.Nc4 Nd5? (better is 11...Be7!?+=) 12.e4+– Nf4 13.Nd6 Qd6 14.dc5 Qc5 15.Be5 Ng6 16.Bd6 Qb5 17.Bf8 Nf8 18.Qd4 Bd7 19.Rab1 Qa6 20.Rfc1 Bc6 21.Ne5 Qa2 22.Ra1 Qb3 23.Nc6 bc6 24.Qd6 h6 25.Qc6 Rb8 26.Ra7 Qb2 (26...Rd8 27.g3+–) 27.Qc7 Nd7 (27...Kh7 28.Rf1 Ng6 29.Qf7+–) 28.Rf1 Ne5 (28...Nf8 29.Qf7 Kh7 30.h4+–) 29.Ra2! Qd4 (29...Qa2 30.Qb8 Double attack (30.Qb8 Deflection)) 30.Qb8 (30.Qb8 Kh7 31.Qb1+–) 1–0. b4_player – verte, casual, 2013.

8.0-0 Nbd7 9.d4 cd4 10.Qd4 Nb6 11.Bd3 g6?? (better is 11...Qe7 12.Rd1 Rd8+=) 12.Qf6+– Qf6 (12...e5 13.Qd8 Rd8 14.Nc3+–) 13.Bf6 Nd5 14.Bh4 Bd7 (14...a6 15.Rc1+–) 15.e4 Nb4 16.Rd1 Nd3 (16...Bf4 17.Nc3 Rfc8 18.Be2 Rc3 19.Rd7+–) 17.Rd3 Bb5 (17...Rac8 18.Nbd2 Bh2 19.Kh2 Bb5 20.Rd6+–) 18.Rd6 Bc6 (18...Rfc8 19.Na3 Ba4 20.Bf6+–) 19.Nc3 Rac8 20.Bf6 1–0. Pcmvr – Ulibear, playchess.de, 2004.

8.0-0 Nbd7 9.d4 Qe7 =.

8.0-0 b6 9.d4 0-0 10.Qd3 =.

8.0-0 b6 9.d4 Bb7 10.Nbd2 0-0 11.Qc2 (11.Qe2 cd4 12.Nd4 Nc5=) 11...Rc8 (11...cd4 12.Bd4 Rc8 13.Rac1=) 12.Rac1 cd4 13.Bd4 (13.Nd4 Nc5=) 13...Bf3 (13...a6 14.Qd3 (14.ba6? Bf3 15.Nf3 b5–+) 14...e5 15.Bb2=) 14.Nf3 e5 (14...Ba3 15.Rb1=) 15.Bb2+= e4 16.Ng5 Bh2 17.Kh1 (17.Kh2 Ng4 18.Kg1 Qg5 19.Qe4+=) 17...Nc5 (better is 17...Bc7 18.Ne4 Be5+=) 18.Nf7 Qc7 (better is 18...Rf7!? 19.Bf7 Kf7 20.Bf6 Qf6 21.Kh2 Qe6+–) 19.Nd6 (19.Bf6 Rf7 20.Bd4 Bd6 21.Bc5 bc5 22.Qe4 Kh8 23.Bf7 Qf7+–) 19...Kh8 20.Nc8 (20.Kh2 Qd6 21.Kh3 Nd3 22.Bf6 Rf6–+ (22...Nc1?! 23.Bg7 Kg7 24.Rc1–/+)) 20...Rc8? (20...Be5 21.Be6 Ne6 22.Qc7 Bc7 23.Na7+–) 21.Bf6 (better is 21.g3!? Bg3 22.fg3 Qe7 23.Bf6 gf6+–) 21...gf6 22.g3 Bg3 23.fg3 Qg3 24.Bb3 Rd8 25.Qh2 Qe3 26.Bf7 Kg7 27.Qh5 Nd3 28.Rc7 Kh8 29.Bg6 h6 30.Rh7 (30...Kg8 31.Bf7 Kf8 32.Bc4 (32.Rf6? Qc1 33.Kg2 Qb2 34.Kh1 Qf6–+) 32...Qf3 33.Rf3 Nf2 34.Rf2 Rd1 35.Qd1 Ke8 36.Qd7 Kf8 37.Rf6; 30.Rf6 Qe1 31.Kh2 Qd2 32.Kg3 Qe3 33.Kg4 Qe2 34.Kf5 Qf2 35.Ke6 Rd6 36.Kd6 Qf6 37.Kd7 Qg6 38.Qg6 Ne5 39.Ke6 Ng6+–) 1–0. Howard,Chuck – Hendrzak,Joe, corr APCT USA, 1974.

8.0-0 e5 9.Qc2 =.

8.a4 b6 9.0-0 0-0 10.d3 =.

8.a4 b6 9.0-0 Bb7 10.d3 0-0 =.

8.a4 b6 9.0-0 Bb7 10.d4 0-0 11.Nbd2 Qc7 (11...Rc8 12.dc5 Nc5 13.Qc2=) 12.Qb3 (12.Rc1 Rac8=) 12...Rac8 (12...cd4 13.Bd4 e5 14.Rac1=) 13.Rfc1 (13.Rac1 Rfd8=) 13...Qb8 (13...Ne4 14.Ne4 Be4 15.h3=) 14.a5 cd4 15.ed4 (15.Bd4 e5 16.Bb2 Nc5=) 15...Ne4 (better is 15...Bf4!? 16.Rc2 ba5 17.Ra5 Nb6=+) 16.Ne4+= Be4 17.Be6 Rc1 18.Rc1 Nf6 (18...Bf3 19.Bd7 Bh2 20.Kf1+=) 19.Bc4 (19.Ne5 fe6 20.Qe6 Kh8 21.Nf7 Rf7 22.Rc8 Rf8 23.Rb8 Bb8 24.f3=) 19...ba5 (better is 19...Bf3!? 20.Qf3 ba5=) 20.Ne5+/– Qb7 21.f3 (21.Ba3 Ba3 22.Qa3 Bg2 23.Bf7 Rf7 24.Nf7 Kf7+/–) 21...Bd5+= 22.Bd5 Nd5 23.Rc6 Be5 24.Qd5 Bf6 25.Qc4 h6 26.Bc1 Rd8 27.d5 Qd7 28.d6+= Qe8 29.Qe4 Qe4 30.fe4 Be5 31.Ba3+/– Rd7 32.Bc5 f6 33.Ra6 Kf7 34.Ra5 Ke6 35.Ra7 Bd6+= 36.Ra6 Ke5 37.Rd6 Rd6 38.Bd6 Kd6 39.Kf2 Kc5 40.Kf3 Kb5 41.Kf4 g6 42.e5 Kc6 43.ef6 Kd6 44.g4 (44...Ke6 45.g5+–) 1–0. Zschalich,Arndt – Lauckner,Juergen, corr DDR–ch M900, 1988.

8.a4 b6 9.0-0 Bb7 10.d4 Qc7 11.dc5 Nc5 12.Nbd2 =.

8.a4 Qe7 9.a5 =.

7.a3 a6=+ 8.a4 (8.Nc3 Qa5=) 8...dc4 (8...0-0 9.d4=+) 9.Bc4= ab5 (9...0-0 10.0-0=) 10.ab5 Ra1 11.Ba1 Qa5 (11...0-0 12.d4=) 12.Bc3+= Qb6 13.0-0 0-0 (13...Nd5 14.Bg7 Rg8 15.Be5 Be5 16.Ne5 Bb5 17.Qh5+–) 14.Qc2 Nd5 (14...Bb5? 15.Qb2+–) 15.Ng5 g6 16.Ne4 Be7 17.Ba1 (better 17.d4 Bb5 18.dc5+=) 17...Rd8? (17...f5!? 18.Qb2 Nf6+=) 18.Qb2 (18.Nbc3!? Be8 19.Qb2+–) 18...f6+– 19.Qb3 (19.Nbc3 Nc3 20.Qc3 Rf8+–) 19...Be8 (19...Kg7 20.Nbc3 Nc3 21.Bc3+– (worse 21.dc3 e5+=)) 20.Nbc3 (20.d4 Nd7+–) 20...Nc3 (20...Bf7!?+–) 21.Bc3+– (21.dc3?! Bf7+=) 21...Nd7 (21...Kg7 22.Ng5 Bd7 23.Ra1+–) 22.Be6 (22.Ra1 f5 23.Ba5 Ra8 24.Bb6 Ra1 25.Bf1 Kf7 26.Bc5 Nc5 27.Nc5 Bc5+–) 22...Kg7 23.f4 Qb5?? (better 23...Nf8 24.Bc4 Ra8+–) 24.Qb5 1–0. DEFFM – GuestWDVT, freechess.org, 2018.

7.a4 0-0 8.Qc2 Re8 9.Ng5 (9.Be5 Be5 10.Ne5=) 9...e5 (better is 9...h6!? 10.Nf3 e5=+) 10.cd5+= h6 (10...Qe7 11.Nc3+=) 11.Ne4 Ne4 12.Qe4 f5 (12...Qg5 13.h4 Qe7 14.g4+=) 13.Qc4 (13.Qc2 a6+=) 13...Qg5 (13...Bc8 14.Nc3+/–) 14.h4 (14.Nc3 Bc8+/–) 14...Qg6 (14...Qd8 15.d3+=) 15.Nc3 Bc8 (15...Qf6 16.g4+=) 16.a5 Nd7 17.0-0-0 (17.g4 e4 18.gf5 Qf5+/–) 17...b6 (17...Nf6 18.d3=) 18.a6 (18.h5 Qh7 19.a6 Nf6+=) 18...e4 (18...Nf6 19.Be2+=) 19.Na4 (19.h5 Qf7 20.d3 Ne5+=) 19...Ne5 20.Be5 Re5 (20...Be5 21.d3+=) 21.f4 (21.Nc3 Bd7+=) 21...Re8 (21...Re7 22.h5 Qe8 23.g4=) 22.Nc3 Bd7 23.Be2 (23.g4 fg4 (23...Qg4? 24.h5+–) 24.h5 Qf7+/–) 23...Kh8 (23...h5!?=) 24.h5 Qf6 (24...Qg2?? 25.Rdg1 Qh1 26.Rh1+–) 25.Rdg1 Rad8 26.g4 fg4 (26...Qf7 27.g5+/–) 27.Bg4+– Bg4 28.Rg4 Qf5 29.Rg6 Bf4? (better is 29...Re7+–) 30.ef4 e3 (30...Rd7 31.Rh4+–) 31.de3 Re3 32.Rhg1 Rde8 (32...Rd7 33.d6 Rf7 34.Ne2+–) 33.Rg7 (33...Re1 34.Kb2 Rg1 35.Rg1 Qh5 36.Qf1+–) 1–0. Stanilko – Golebiowski, Olsztyn, 1961.

7.a4 0-0 8.Be2 a6 9.d4 ab5 (9...dc4 10.Bc4 Qe7 11.0-0=) 10.ab5 Ra1 11.Ba1 b6 (11...dc4 12.Bc4 cd4 13.Qd4= (worse 13.Nd4 Bb4 14.Ke2 Qe7=+)) 12.0-0 dc4 13.Nc3 (13.dc5 Bc5 14.Bc4 Bc8+=) 13...cd4 (13...Qc7 14.e4 Bf4 15.g3=) 14.Qd4+= Bc5 (14...Qc7 15.Rd1 Be7 16.Qc4 Qc4 17.Bc4+=) 15.Qc4+– 1–0. Anonymous – Anonymous, lichess.org, 2020.

7.d4 0-0 =.

7.d4 cd4 8.Qd4 0-0 9.Be2 Bb4 (9...a6 10.cd5 Bb5 11.Bb5 ab5 12.Nc3+=) 10.Nbd2+= dc4 11.Qc4 Qe7 12.Bf6 Bd2 13.Kd2 (13.Nd2 Qf6 14.Rb1 a6 15.ba6 Na6+=) 13...Qf6= 14.Qd4 Rd8 (14...Qd8!?=) 15.Qf6+= gf6 16.Kc3 a6 17.a4 Be8 (17...e5 18.Rhd1+=) 18.Rhc1 Nd7 19.Kb4 ab5 20.ab5 (20.Kb5?! b6=) 20...Nb6 21.g3 Nd5 22.Kb3 f5 (22...Ra1 23.Ra1 Nc7 24.Kb4+=) 23.Ra8+– Ra8 24.Nd4 Ra5 (better 24...Kg7!?+–) 25.Rc8+– Kf8 26.Rb8 b6 (26...f4 27.gf4 (27.Rb7?! fe3 28.fe3 Ne3+–) 27...Ra7 28.Bf3+–) 27.Bc4 Nf6 28.Rb6 Ra1 29.Ra6 Rb1 30.Kc2 (30.Ka2 Rh1 31.h4 Rh2+–) 30...Rb4 (better 30...Rh1!?+–) 31.Kc3 Rb1 32.f3 Rc1 33.Kb4 Rb1 34.Kc5 White prepares b6 34...Ke7 (34...Nd7 35.Kd6+–) 35.Nc6 Kd7 (35...Kf8+–) 36.b6 Rc1 (36...Rb6 37.Ra7 Kc8 38.Kb6 Nd7 39.Ka5 Nc5+–) 37.Ra7 Kc8 38.Rc7 1–0. Charito – Divina, internet, 2019.

7.Bf6 Qf6 8.Nc3 0-0 9.cd5 ed5 10.Nd5 Qh6 11.Nc3 Be6 12.Qc2 Nd7 13.Rc1 Rfe8 14.Ne4 Bd5 15.Nd6 Qd6 16.Be2 Be4 17.d3 Bf3 18.Bf3 (18.gf3?! a6=) 18...Ne5 19.Be4 (worse is 19.Bb7 Nd3 20.Ke2 Nc1 21.Rc1 Rad8+=) 19...Rad8 20.0-0 (20.Qc5?! Nd3 21.Bd3 Qd3=) 20...Nd3 21.Bd3 Qd3 22.Qc5 g6 (22...a6 23.b6+/–) 23.a4 b6 24.Qc4 Re4 25.Qa2 Re7 26.h3 Red7 27.Rc6 Qe4 28.Qc4 Qe5 29.Rc8 Kg7 30.Rd8 Rd8 31.Qc1 Qd6 32.Qc3 Kg8 33.Rc1 Qe7 34.Qb2 Qh4 35.Qa1 Qh5 36.Kh2 Qd5 37.Qf6 Qd7 38.Rc6 Re8 39.Qf4 Qd8 40.h4 Kg7 41.h5! gh5 42.Rc7 Re7 43.Qg5 Kf8 44.Re7 Qe7 45.Qe7 Ke7 46.Kg3 (46.e4+/–) 46...Kf6? (better is 46...Kd6 47.Kf4 Kc5+=) 47.Kf4+– h4 48.Kg4 1–0. pcmvr – pierred (2850), net–chess.com, 2016.

(--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7).

7.Be2 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0).

7.a4 Nbd7 8.Be2 e5 9.cd5 Nd5 (9...e4 10.Nh4 Nb6 11.d3 Nfd5 12.de4 (12.Bg7? Rg8-+) 12...Ne3 13.Qc1=+) 10.0-0 0-0 11.d3 f5 (11...Rd8!?=) 12.Qb3+= N7f6 (better 12...N7b6!? 13.e4 c4 14.dc4 fe4 15.cd5 ef3 16.Bf3 e4+=) 13.e4!+- fe4 (better 13...Be6 14.ed5 Nd5+-) 14.de4 Be6 15.ed5 Nd5 16.Bc4 Nf4 17.Be6 (17.Nbd2 Qf7+-) 17...Ne6 (17...Qe6 18.Qe6 Ne6 19.Ne5+-) 18.Ng5! (18.Be5?! Rf3 19.Bd6 Rb3 20.Be7 Kf7+-) 18...Rf6 (18...Qg5 19.Qe6 Double attack (19.Qe6 Deflection)) 19.Ne6 (19.Nc3 Rg6 20.Nce4 Kh8 21.Ne6 Re6+-) 19...Re6 (19...Qe6 20.Qe3+-) 20.Nd2 Kh8 (20...Rc8 21.Rae1+-) 21.Ne4 Rg6 22.Rad1 Bc7 (22...b6 23.Nd6 Rd6 24.Rd6 Qd6 25.Qg3+-) 23.Qc4 (23.Qd5 Bb6+-) 23...b6 24.Rd5 Rf8 25.Rfd1 Qe6 (25...Qh4 26.Qe2+- (26.Be5?! Be5 27.Re5 Rg2 28.Kg2 Qg4 29.Kh1 Qd1 30.Kg2 Qg4 31.Kf1 Qd1 32.Kg2 Qg4 33.Kh1 Qd1 34.Kg2=)) 26.Qe2 h6 27.Ng3 (27.a5 Qg4 28.Qg4 Rg4+-) 27...Kh7 28.Be5 Be5 29.Re5 Qb3 30.Qe4 (better 30.a5+-) 30...Qd1-+ 31.Nf1 Qg4 32.Qg4 (32.h3 Qf4 33.f3-+) 32...Rg4 33.Ne3 (33.a5 Rb4-+) 33...Ra4 34.g4 (34.f3 Rd8-+) 34...Rb4 (34...Rf7!? 35.Kg2-+) 35.Re7 Rb5 36.Ra7 Rc8 (better 36...Rf4!? 37.h3 Rb2 38.Nf5 Rff2 39.Rg7 Kh8 40.Rc7-+) 37.Nf5 c4 38.Rg7 Kh8 39.Rg6 c3 (better 39...Rf5 40.gf5 c3 41.Rh6 Kg7-+) 40.Rh6 Kg8 41.Rg6 (41.Ne3 Kg7 42.Rh3 c2 43.Nc2 Rc2-+) 41...Kf8 (better 41...Kf7 42.Rg5 Kf6-+) 42.Rf6 Ke8 43.Nd6 Ke7 44.Nb5 Kf6 45.Nc3 (45.Nd4-+) 45...Rc3 46.h4 b5 47.Kg2 (47.g5 Kf5 48.h5-+) 47...b4 48.f4 White prepares the advance g5 48...b3 49.h5 (49.Kh2 Rc2 50.Kh3 b2 51.g5 Kf5 52.h5 b1Q 53.Kh4 Rg2 54.h6 Qh1) 49...b2 50.g5 (50.Kf2 b1Q 51.g5 Kf5 52.g6 Qb2 53.Ke1 Rc1) 50...Kf5 51.h6 (51.Kg1 Rc2 52.Kf1 b1Q) 51...b1Q 52.h7 (52.Kf2 Qb2 53.Ke1 Rc1) 52…Qb2 (52...Qb2 53.Kf1 Rc1) 0-1. zembelek (2020) - wichy (2010), Rated Blitz game, lichess.org, 2014.

7.Nc3 Nbd7 8.a4 (8.Qc2 h5=) 8...Ne5 (8...b6 9.a5=) 9.Ne5 Be5 10.d4 White threatens to win material: d4xe5 (10.a5 Bc3 11.Bc3 dc4 12.Bc4 0-0=) 10...Bd6 11.Rc1 cd4 12.ed4 Bb4 13.Be2 Ne4 (13...dc4!? must definitely be considered 14.Bc4 Rb8=) 14.0-0 Bc3 15.Bc3 Nc3 16.Rc3 dc4 17.Rc4 0-0 18.Qc2 Rd8 (18...Qd6!?+=) 19.Rc1+/– g6 20.Qe4 Qf6 21.Bf3 Rb8 22.Qe5 Qe5 23.de5 Bd7 (23...b6 24.Rc7 a6 25.Bc6+/–) 24.Rd1 a6?? solves nothing (better is 24...Rdc8 25.Rc8 Bc8+/–) 25.Rcd4+– Rbc8 (25...ab5 doesn't do any good 26.ab5 (26.Rd7?! is clearly worse 26...Rd7 27.Rd7 ba4=) 26...Kf8 27.Rd7 Rd7 28.Rd7+–) 26.Rd7 (better is 26.Bb7 nails it down 26...Rc5 27.ba6 Re5 28.f4+–) 26...Rd7 27.Rd7 ab5 28.ab5 Rc5 (28...Rc1 29.Rd1 Rd1 30.Bd1+–) 29.g3 (better is 29.Be2 and White wins 29...b6 30.f4+–) 29...Rb5 30.Rb7 Re5 31.Kg2 Rc5 32.Rb8 Kg7 33.Bg4 Kf6 34.Rb7 Rc8 35.Be2 h6 36.g4 g5 37.Ba6 Ra8 38.Bd3 Rd8 39.Rb3 Kg7 40.Be4 Rd4 41.Kf3 f5 42.gf5 ef5 43.Bb1 Rf4 44.Ke2 Kg6 45.Rf3 Rf3 46.Kf3 Kf6 47.Bc2 Ke5 48.Kg3 h5? 49.h4 gh4 50.Kh4 Kf4 51.Bd1 Ke4 52.Bh5 Kf4 53.f3 Ke3 54.Kg5 f4 55.Kf5 (55.Kf5 Kd3 56.Kf4 Kd4 57.Kg5 Kd3 58.f4 Kc4 59.f5 Kd5 60.f6 Ke6 61.f7 Ke7 62.Kf5 Kf8 63.Ke6 Kg7 64.Ke7 Kh6 65.Be2 Kg5 66.f8Q Kg6 67.Bd1 Kg5 68.Qf6) 1–0. Krooss,Dietmar (1770) – Guminski,Heinz, Schleswig Holstein–ch A, 2002.

7.Bf6 Qf6 8.Nc3 d4=.

7.Bf6 Qf6 8.Nc3 Be5 9.Ne5 Qe5+=.

7.0-0 b6 8.d3 Bb7 9.Nbd2 Nbd7 10.c4 Qe7 11.Rc1 Rad8 (11...a6 12.a4=+) 12.Qc2 e5 13.cd5 Nd5 14.a3 Kh8 (14...Nc7 15.Ne4=) 15.Nc4 Bb8 16.Rfd1 f5 17.Nfd2 Qg5 Black plans f4 (17...a6 18.ba6 Ba6 19.Bf3=) 18.Nf3 Qg6 (18...Qe7!?=) 19.Be5+= (19.Nfe5? Ne5 20.g3 Nc4 21.dc4 Ne3 22.Rd8 Rd8-+) 19...Ne5 (19...Ne3 20.Bg7 (worse 20.fe3 Ne5 21.Nce5 Be5-/+) 20...Qg7 21.fe3= (worse 21.Ne3 f4 22.Nf1 Rg8-/+)) 20.Nce5+/- Qh6 (20...Qe8 21.d4+/-) 21.d4 f4 (21...Be5!? 22.Ne5 cd4+/-) 22.e4+- Nf6 (22...Be5 23.Ne5 (23.ed5?! Bd4 24.Nd4 cd4=) 23...Ne7 24.dc5+-) 23.d5 (better 23.dc5!? Rde8 24.c6 Be5 25.Ne5+-) 23...Rde8+/- 24.Nc6 Bd6? (better 24...Bc6 25.dc6 Re4+/-) 25.e5+- Ng4 (25...Bc6 26.bc6 Be5+-) 26.ed6 Bc8 (26...Qd6 27.Ng5 Nf6 28.Bf3+-) 27.Ne7 (better 27.Bd3!? Bd7+-) 27...Bd7 28.Bd3 Qd6 29.Nf5 (29.Nc6!? Nf6+-) 29...Qf6 30.Re1 Re1 (30...c4 31.Re8 cd3 32.Rf8 Qf8 33.Qc7 Bf5 34.Qf4+-) 31.Re1 h6 (31...c4 32.Be4 Ne5+-) 32.Ne7 Be8 33.Bf5 (33.Bf5 Ne3 34.fe3 Qe7 35.ef4+-) 1-0. bjoern (2170) - Sparrowhawk (2070), Rated Blitz game, lichess.org, 2014.

7.0-0 b6 8.d3 Bb7 9.Nbd2 Nbd7 10.c4 Qe7 11.Qc2 Rfd8 12.Rfd1 Rac8 (12...a6 13.ba6 Ba6 14.e4=) 13.Rac1 Bb8 14.Qb1 Qd6 15.h3 e5 16.cd5 Bd5 17.e4 Bb7 18.Nc4 Qe7 19.Qa1 Can e5 get defended? 19...Re8 20.Bf1 Nh5 21.g3 f6 (21...a6 22.a4=+) 22.Nh4= g6 23.Ne3 Qe6 24.Kh2 Nf8 (better 24...a6!?=) 25.Be2+/- Ng7 (25...Nd7 26.Bg4 Qf7 27.Bh5 gh5 28.Nhf5+/-) 26.Bg4 Qf7 27.Bc8 Bc8 28.Rf1 (28.Nhg2 Qe6 29.g4 Rd8+/-) 28...Qd7 29.g4 (29.Ng4 Nh5 30.a4 Qd3+=) 29...Nfe6 (29...Qb5!? 30.Nd5 Nd7+=) 30.Nd5+/- Rf8 31.Ng2 (31.a4 Bb7 32.Qa2 Bd5 33.Qd5 Qd5 34.ed5 Nf4=) 31...Ne8 (31...Bb7 32.Nc3+=) 32.f4 (32.a4 N8c7 33.Qa2 Nd5 34.Qd5 Qd5 35.ed5 Nc7+=) 32...Qb5? (better 32...ef4!? 33.Ne1 Bb7 34.Nf6 Nf6 35.Bf6 Qb5=) 33.fe5 (better 33.Ne7 Kg7 34.f5+-) 33...fe5?? (33...Ba6 34.Ngf4 Nf4 35.Nf4 g5+=) 34.Ne7+- Kg7 (34...Kh8 35.Rf8 (worse 35.Nc8 Rf1 36.Rf1 c4+-) 35...Nf8 36.Be5 (worse 36.Nc8 Nd7+-) 36...Be5 37.Qe5 Ng7 38.Nc8 Qd3 39.Na7+-) 35.Be5 (35.Nc8?! Rf1 36.Rf1 Nd4+-) 35...Kh6 (35...Nf6 36.Bb8 Qd3+-) 36.Rf8 Nf8 37.Ng8 Kg5 38.Bf4 (38.Rc5! Qc5 39.h4 Kg4 40.Qd1) 38...Bf4+- 39.Nf4 Kf4 40.Rf1 Ke3 41.Qe1 (better 41.Qc1!? Kd4 42.Rf3 Ke5 43.Qf4 Kd4 44.e5 Kc3 45.d4 Kc2+-) 41...Kd4 42.e5 Bb7 43.Rf4 (worse 43.Rf8 Bc6 44.Rf4 Kd5 45.Ne7 Ke6+-) 43...Kd5 44.Qe4 Ke6 45.Qb7 (45.Rf8?? Be4 46.de4 Ke5-+) 45...Qb2 (45...Nd7 46.Qc8 (46.Qa7?! Qd3 47.Qa8 Qd2 48.Kg3 Qe3 49.Kg2 Ke5+/-) 46...Qb2 47.Kg3 Qe5 48.Qe8 Kd6 49.Qe5 Ne5 50.d4+-) 46.Kg3 (46.Kg1 Qc1 47.Rf1 Qe3 48.Kg2 Qe2 49.Rf2 Qe5 50.Rf8 Nd6 51.Qh7 Qd5 52.Rf3 Qg5+-) 46...Qe5 47.Qe7 Kd5 48.Qe5 Ke5 49.Re4 (49.Re4 Kd6 50.Re8+-) 1-0. bjoerni (2010) - Fritte (2150), Rated Bullet game, lichess.org, 2015.

7.0-0 b6 8.d3 Bb7 9.Nbd2 Nbd7 10.c4 Qe7 11.Qc2 e5 12.cd5 Nd5 13.a3 Rac8 14.Rfd1 N5f6 15.e4 Rfd8 16.Nc4 Bb8 17.h3 Nh5 18.g3 Nhf6 19.Kh2 h6 20.Nh4 g6 21.Bc1 Kg7 22.Be3 Nf8 23.Qc1 Ng8 (23...Ne6 24.Bh6 Kh7 25.Bg5+/-) 24.Bg4 (24.a4 Ne6 25.a5 Bc7+/-) 24...Ne6 25.Be6 (better 25.Qb2!?+/-) 25...Qe6= 26.Ra2 (26.a4 Rd7+=) 26...Rd7 (26...Be4!? 27.de4 Rd1 28.Qd1 Qc4-+) 27.Rad2 Rcd8 28.Qb2 Kh7 29.Kg2?? (29.a4!?=) 29...f5?? (better 29...Rd3! 30.Qc1 g5-+) 30.f3-/+ f4 31.Bf2 Qf6 (31...fg3!? 32.Bg3 Re7-/+) 32.gf4= ef4 33.Qf6 Nf6 34.Kf1 Nh5 35.Ke2 (35.d4!? cd4 36.Bd4 Ng3 37.Ke1-/+) 35...Ng3-/+ 36.Bg3 fg3 37.Ke3 (37.Ng2 Bc8-+) 37...g5-+ 38.Nf5?? (better 38.Ng2-+) 38...Bf4 39.Ke2 Bd2 40.Rd2 Kg6 (better 40...g2 41.Kf2 Rd3 42.Rd3 Rd3 43.Kg2 Bc8-+) 41.Ng3 (41.Ne5 Kf6 42.Nd7 Rd7 43.Nh6 Bc8 44.Ng4 Ke6+=) 41...Rd4 (better 41...Rc7-/+) 42.Nf5+= h5 43.Nd4 Rd4 44.Ke3 Kh6 45.Rg2 (45.a4!?+/-) 45...Bc8= 46.Rh2 Be6 47.Ne5 Ra4 48.h4 Ra3? (better 48...gh4 49.f4 Ra3+/-) 49.hg5+- Kg5 50.f4 Kh6 51.f5 Bg8 (51...Bb3 52.f6 Ra1 53.Rf2+-) 52.Kf4 (better 52.f6 Ra1 53.f7 Bf7 54.Nf7 Kg6 55.Ne5 Kg5 56.Nf3 Kh6 57.e5+-) 52...Rb3?? (52...Bb3 53.Ng4 Kg7 54.Rh5+-) 53.f6 (53.Rg2 Rd3 54.Nd3 c4 55.Ne5 c3 56.Rg8 c2 57.Rg6 Kh7 58.Rc6 h4 59.Rc2 Kg8 60.Rc7 h3 61.f6 h2 62.Ng6 h1Q 63.Rg7) 53...Rb5 (53...Rb1 54.Rf2 h4+- (54...Rb5?? 55.Rg2 Be6 56.Rg6 Kh7 57.Kg5+-)) 54.Kf5 Bf7 (54...c4 55.Rg2 Re5 56.Ke5 Bf7+-) 55.Nf7 (55.Nf7 Kh7 56.Rh5 Kg8 57.Ke6 a5 58.Rh8) 1-0. bjoerni (2165) - Whitemouse (2065), Rated Blitz game, lichess.org, 2015.

7.0-0 Bd7 8.a4 a6 9.Na3 Qb6 10.Bf6+= gf6 11.c4 ab5 12.Nb5 Bb5 13.ab5 (< 13.cb5 Nd7=) 13...Nd7 14.cd5 ed5 15.Qc2 Ne5 16.Qf5 Nf3 17.Bf3 Be5 (17...Ra1 18.Ra1 Be5 19.Ra4+/–) 18.Ra8+– Ra8 19.Bd5 Qd6? (better is 19...Rd8 20.Qg4 Kh8+–) 20.Be4 Kf8 21.Qh7 Ke7 22.d4 (better is 22.f4!? Bb2 23.Bb7 Rd8+–) 22...cd4 23.f4?? (23…de3 24.Bg6= (< 24.fe5 Qd4 25.ef6 Kd6–/+; 24.Bb7 e2 25.Qf7 Kf7 26.Bd5 Qd5 27.Re1 Qd4 28.Kh1 Qf4 29.Kg1 Bd4 30.Kh1 Qf1 31.Rf1 ef1Q); better is 23.Bb7 Ra7 24.Bc6 de3 25.fe3+–) 1–0. market (2180) – Cerati (1940), GameColony.com, 2002.

7.0-0 Bd7 8.a4 a6 9.Na3 Qe7 10.c4 =.

7.0-0 Bd7 8.a4 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 Qa5 (11...Bc8!?+=) 12.Bf6+/– gf6 13.cd5 Bb5 14.Nc3 Be2 15.Qe2 Rd8 16.de6 fe6 17.Qc4 Kf7 (17...Qc7 18.Qe6 Qf7 19.Qf5+–) 18.Qh4 Rg8 (18...Kg7 19.Ne4 Be7 20.Qg4 Kf7 21.Qh3+–) 19.Qh7 Rg7 20.Qh5 Ke7 21.Qh8 Kf7 22.Rb1 Qc7 23.Nb5 Qb6 24.Nd6 Qd6 25.Rb7 Nd7 26.h3 Rg8 27.Qh5 Rg6 (27...Kg7 28.Qh4 Qd5+–) 28.Nh4 (28…c4 29.Ng6+–) 1–0. marre (2095) – GMenard (1830), GameColony.com, 2003.

7.0-0 Bd7 8.a4 a6 9.c4 dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Bf6 gf6 14.Nc3 Be5? 15.Ne5+– fe5 16.Qh5 f5 (16...f6 17.f4 ef4 18.Rf4 Qa1 19.Kf2+–) 17.f4 e4 18.Qh6 (18.Qg5 Kh8 19.Qe7 Qd8 20.Qc5 Kg8+–) 18...Qb6 19.Ra1 (19.Qg5 Kh8 20.Qe7 Qd8 21.Qc5 Kg8+–) 19...Qd6+/– 20.Rd1 Qe7 21.Ne2 Qf6 22.Qf6 ½–½. mr5reasons1 (1750) – romast (1755), gameknot.com, 2012.

7.0-0 Nbd7 8.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.0-0).

7.0-0 Nbd7 8.c4 b6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.0-0 b6).

7.0-0 Nbd7 8.d3 b6 9.Nbd2 (9.c4 A) 9...e5 A1) 10.Nbd2 Qe7 (10...a6 11.ba6 Ba6 12.cd5 Nd5 13.Ne4 Qe7 14.Qb3 Bb7 15.Nd6 Qd6=) 11.cd5 Nd5 12.Ne4 a6 13.ba6 Ba6 14.Qc2 Bb7 15.Rfc1 Nb4+=; A2) 10.cd5 Nd5 11.Nbd2 Qe7 12.Ne4 a6 13.ba6 Ba6 14.Qc2 Bb7 15.a4 Rfd8=; A3) 10.Nfd2 Bb7 (10...a6 11.Nc3 Bb7 12.Bf3 ab5 13.Nb5 Qe7 14.cd5 Bd5 15.Bd5 Nd5=) 11.Nc3 d4 12.Nce4 Ne4 13.Ne4 Be4 14.de4 Qc7 15.Qd3 a6=; B) 9...dc4 10.dc4 Qc7= 11.Qc2 Bb7 12.Nbd2 Rfd8 13.Rfd1 Ng4 14.h3 Ngf6 15.Ng5 a6=) 9...Bb7 (9...a6 10.ba6 Ba6 (10...Re8 11.c4+= Ba6 12.Qb3 Bb7 13.Rfb1 e5 14.Nh4 Nf8 15.a4 Bc6=) 11.c4 Bb7 12.cd5 Nd5 13.Nc4 Be7 14.Qb3 Bc6 15.a4 Bf6=) 10.e4 (10.c4 Qe7 (10...a6+= 11.ba6 Ra6 12.Qc2 Qe7 13.d4 cd4 14.cd5 Rc8 15.Qd1 Nd5=; 10...Qc7 11.cd5 ed5 12.Qc2 a6 13.a4 Rfe8 14.Rfc1 Ng4 15.h3 Ngf6=) 11.a4 a6 12.ba6 Ra6 13.d4 Ra7 14.cd5 Bd5 15.Qc2 cd4+=) 10...e5 (10...Bf4 11.ed5 Nd5 12.d4+= (12.c4 N5f6 13.d4 a6 14.ba6 Ra6 15.Qb3 Qc7+=) 12...cd4 13.Bd4 e5 14.Bb2 Qc7 15.Re1 Rad8+=) 11.ed5 (11.c4 de4 12.de4 a6 13.Qc2 Qe7 14.Rfd1 Rfd8 15.ba6 Ra6=) 11...Nd5 (better is 11...Bd5 12.a4 (12.Ne4 Qc7 13.Nd6 Qd6 14.Re1 Rfe8 15.Qc1 a6=) 12...Qc7+= 13.Re1 a6 14.ba6 Ra6 15.d4 Ra5=) 12.d4? (better is 12.Nc4 Qc7 13.Nfd2= (13.Re1 a6 14.ba6 Ba6 15.Nfd2 Bb7=) 13...a6 14.Bf3 e4 15.de4 Bh2+=) 12...e4?? (better is 12...cd4 13.Nc4 Bc7–+) 13.Ne4+/– Ne3 (13...Bf4 14.dc5 bc5 15.Re1+/–) 14.fe3 Be4 15.dc5 Bc5 16.Nd4 Qg5= 17.Bf3 Qe3 18.Kh1 Nf6 19.Nf5+/– Bf3 20.Rf3+– Qg5 21.Bf6 Qf6+/– 22.Ng7 Qe5 23.Rg3 Kh8 24.Rb1 Rad8+= 25.Qf3 Rd2= 26.a4 Rfd8 27.Rf1?? Rf2!!–+ 28.Rf2 Bf2 29.Rg4 Qe1# 0–1. Wiedermann,Jan – Strelczyk,Anna, Open, Marianske Lazne CZE, 2009.

7.0-0 Nbd7 8.d4 c4 9.a4 b6 (9...a6 10.Ba3 Ba3 11.Na3=) 10.Ba3= Qe7 11.Bd6 Qd6 12.Nc3 Bb7 13.Qd2 Rfc8 14.Rfb1 h6 15.a5 Rc7 (15...ba5 16.Ra5 a6 17.Qe1=) 16.a6 (16.ab6 ab6 17.Ra8 Ba8+=) 16...Bc8 17.Rd1 (17.Qc1 g6+=) 17...Nf8 (17...Ne4 18.Qe1 Nc3 19.Qc3=) 18.e4 de4 19.Ne5 Bd7 20.Qf4 Rac8 21.Ra4 Be8 22.Qd2 (22.Rc4? Rc4 23.Bc4 Rc4 24.Ne4 Ne4 25.Qe4 Rc7–+ (25...Bb5?! 26.Nc4 Bc4 27.Qb7–+)) 22...Nd5 (22...Ng6 A) 23.Rc4 Ne5 24.de5 Qd2 25.Rd2 Rc4 26.Bc4 Rc4 27.ef6 gf6–+ (27...Rc3?! 28.Rd8=+); B) 23.Nc4?! Qf4=; C) 23.Ng6 fg6 24.Rb1=) 23.Ne4+= (23.Bc4? Nc3 24.Qc3 Bb5–+) 23...Qe7 24.Rb1 c3 25.Qd3 Nd7 (25...f6!? 26.Nc4 Rd8+=) 26.Nc4+/– N7f6 27.Nc3 Nf4 28.Qf3 Ne2 (28...N6d5 29.Nd5 ed5 30.Qf4 Qe2 31.Na3+=) 29.Qe2+/– Kf8 30.Qd3 Nd5 31.Nd5 ed5 32.Ne3 Rc3? (better is 32...Qe6+/–) 33.Qh7+– f6 34.Nf5 (better is 34.Nd5 Qe2 35.Nc3 Rc3 36.d5 Rc2 37.Rg4 Qf2 38.Kh1+–) 34...Qd7?? (34...Qf7 35.Nd6 Rc2 36.Nc8 Rc8+–) 35.Re1 Qf5 (35...Qf7 36.Ne7 Qe7 37.Re7 Ke7 38.Qg7 Kd6 39.Qa7 Bb5 40.Qb6 Bc6 41.Qb4 Kd7 42.Qc3 Ba4 43.Qh3 Kc7 44.Qh6 Kb6 45.Qf6 Rc6 46.Qd8 Ka6+–) 36.Qf5 Bf7 (36...Bb5 37.Raa1 Rc2 38.Qe6+–) 37.Ra2 (better is 37.Qd7!? R3c7 38.Qd6 Kg8+–) 37...Rc2 (38.Rc2 Rc2 39.Qc2 Bh5 40.Qc8 Kf7 41.Qe8; 37...Rd8+–) +–. market (1925) – Orla (2130), GameColony.com, 2002.

7.0-0 Re8 8.d3 e5 9.h3 Bf5 10.Nbd2 h6 (10...a6 11.c4 d4 12.e4=+) 11.a4 Nbd7 12.Nh2 (12.c4 Be6=) 12...Rc8 13.Rc1 Qa5 14.Ra1 e4 (better 14...Qb4 15.Nb3 d4=+) 15.Bc3?? (better 15.de4 Ne4 16.Ne4 Be4 17.f3 Bh2 18.Kh2=) 15...Qc3-+ 16.de4 Ne4 (16...de4?! 17.Nc4 Be5 18.Ra3-+) 17.Ne4 Be4 (17...de4?! 18.Qd6 Qc2 19.Bg4 Bg4 20.Ng4-/+; 17...Re4?! 18.Qd5 Qe5 19.Qe5 Be5 20.Ra3-+) 18.Ng4 (18.Bf3 Rcd8-+) 18...Qc2 (better 18...h5 19.Nh2-+) 19.Qe1 (19.f3 Bf5 20.Qd5 Be5-+) 19...Ne5 (19...c4 20.Qd1-+) 20.Ne5 (20.Rc1 Qb2-+) 20...Be5 21.Bd1 Qb2 (21...Ba1?! 22.Bc2 Bc2 23.Qa1=+) 22.Rc1 (22.Bg4 f5 23.Bh5-+) 22…Qc1 0-1. Abdullaevich (1785) - serepesmrackova (1830), lichess.org, 2019.

8.a4 ab5 9.ab5= Ra1 10.Ba1 Nbd7 11.c4 b6 (11...e5 12.d3=+) 12.d4 Bb7 13.cd5 ed5 14.dc5 bc5 15.Qc2 Ne4 16.Nc3 f5 17.Bb2 Qe7 18.Ra1 Nb6 19.Bd3 Rc8 20.Ra7 Ra8 21.Ra8 Ba8 22.Na4 Nd7 23.Nd4 cd4 24.Qc8 Nf8 25.Qa8 (25.Bd4? Bb7 26.Qf5 Qc7–+; 25.ed4? Nd2 26.Qc1 Qg5–+) 25...de3 26.Qd5 (26.fe3 Qh4 27.Qd5 Kh8–+) 26...Kh8 27.g3 (27.fe3 Qh4 28.Bg7 Kg7–+; 27.Qf5?? ef2 28.Kh1 Nc5 29.Qf2 Nd3–+ (29...Na4?! 30.Bd4–+)) 27...ef2 28.Kg2 Qe6 29.Qe6 Ne6 30.b6 Kg8 31.Nc3 Nc3 32.Bc3 g6 33.Bc4 1–0. marekt – DanQuigley, ChessWorld.net, 2003.

8.a4 ab5 9.ab5= Ra1 10.Ba1 Re8 11.c4 (11.Be5 Be5 12.Ne5 Nbd7=) 11...e5 12.d4 cd4 13.ed4 e4 14.Ne5 Be5?? (better is 14...Nbd7=+) 15.de5+/– (15…Nfd7 16.Qd5+–) 1–0. Molarius,Reijo – Hietanen,P, Finland ch corr, 1997.

8.a4 Bd7 9.c4 Re8 10.d4 dc4 11.Bc4 ab5 12.ab5 Ra1 13.Ba1 cd4 14.Qd4 (worse 14.Nd4 Bh2 15.Kh1 Qc7-/+) 14...Be7 15.Nbd2 Qc7 16.Qd3 Rd8 17.Be5 Qb6 Exerts pressure on the isolated pawn 18.Bd4 Qd6 19.Ne4 Ne4 20.Qe4 Bf6 (20...Qc7 21.Be5 Qc8 22.Qf4+-) 21.Bf6+- gf6 22.Qb7 Be8 (22...e5 23.b6+-) 23.Nd4 Nd7 24.Qe4 Ne5 25.Be2 f5 (25...Ng6 26.Ra1+-) 26.Qf4 Rb8 27.Rb1 f6 28.g4 fg4 29.Qf6 Bg6?? (29...Rb6+-) 30.Ne6 Qd7 (30...Rb7 31.Rd1 Nd3 32.Bd3+-) 31.Qe5 Bb1 (31...Rc8 32.Rd1 Qf7+-) 32.Qb8 Kf7 33.Qf8 Ke6 34.Bg4 (34.Bg4 Kd5 35.Bd7+-) 1-0. onur604 (2320) - jccmaduka (2130), Casual Rapid game, 2021.

8.a4 Nbd7 9.c4 =+.

8.d4 ab5 9.Bb5 cd4 10.Nd4 Bd7 11.c4 (11.Bd3 Qc7 12.f4 Qb6=+) 11...Bb5 (11...dc4 12.Bc4 Bh2 13.Kh2 Qc7 14.Kg1 Qc4 15.Qe2 Qe2 16.Ne2-/+) 12.cb5 (12.Nb5!? Be7 13.cd5 Qd5 14.Qd5 Nd5 15.Rd1=) 12...Nbd7=+ 13.Nd2 Nc5 14.N2f3 b6 (14...Nfe4 15.Nb3=+) 15.Qe2 (15.Nc6 Qc7+=) 15...Bb8 (15...Qc7 16.Rfc1=+) 16.Rac1 (16.Nc6!? Qd7 17.Nb8 Rfb8 18.Ne5+=) 16...Qd6 (16...Ra2 17.Nc6 Qe8 18.Ra1 Ra1 19.Ra1=+) 17.Nc6 (17.Bc3=) 17...Bc7 (17...Ra2 18.Ra1 Ra1 19.Ra1=+) 18.g3 (better 18.Be5 Qd7 19.Bf6 gf6 20.Rc2+=) 18...Ra2-/+ 19.Rb1 (19.Ra1 Ra1 20.Ra1 Nfd7=+) 19...Nfe4 20.Nb4 Raa8 21.Nc6 h6 22.Nfd4 f5 (22...Ra2 23.Ra1 Nc3 24.Qe1 Ra1 25.Qa1-/+) 23.f3 Nf6 24.Qc2 g6 25.Qc3 (25.Nb3 Nb3 26.Qb3 Nd7=+) 25...Kg7 26.Ne6?? (better 26.Rfc1-/+) 26...Qe6-+ 27.Qd4 Ra4 28.Kh1 (28.Qd2-+) 28...Rd4 29.Bd4 Qd6 (29...Kg8 30.Rfd1-+) 30.Rbd1 Ne6 31.Bb2 (31.Rg1 Nd4 32.Nd4 Re8-+) 31...Qc5 32.e4 (32.Nd4 Nd4 33.Bd4 Qb5-+) 32...fe4 (32...de4 33.Na7-+) 33.fe4 Qb5 34.ed5 Qb2 35.de6 Qb5 (better 35...Re8 36.Nd4-+) 36.e7 (36.Nd4 Qd5 37.Kg1-+) 36...Qc6 37.Kg1 Re8 38.Rf6 b5 (38...Kf6 39.Re1 b5 40.h3 Qc5 41.Kf1 Bb6 42.Re6 Ke6 43.Ke2 Qe3 44.Kd1 Qd3 45.Kc1 Bd4 46.g4 Rc8) 39.Rc6+- Bb6?? (better 39...Re7 40.Rb1 Be5+-) 40.Rb6 Re7 41.Rb5 (41.Rdd6 g5+-) 41...Rf7 (41...Re6 42.Kf2+-) 42.Rf1 (42.Rd6 Kh7+-) 42...h5 (42...Rf1 43.Kf1 Kf6 44.Rb6 Kf7 45.g4+-) 43.Rf7 Kf7 44.Rb7 Kf6 45.Rb6 Kg5 (45...Kf7 46.Kg2+-) 46.Rb5 (46.h4!? Kh6+-) 46…Kh6 0-1. anotherheaven (1610) - trvth (1850), lichess.org, 2015.

8.Be5 ab5 9.Bb5 Be5 10.Ne5 Bd7 11.Nd7 Nbd7 =+.

7.0-0 ab5 8.Bb5 Bd7 9.Qe2 Ra5 10.Bd7 Qd7 (10...Nbd7 11.Nc3+=) 11.Bf6 gf6 12.Nc3 (12.c4 dc4 13.Qc4 Ra4=) 12...f5 (12...b5 13.a3=) 13.Rab1 (13.Rfb1 Nc6=) 13...Nc6 14.Nb5 (14.Rb6 Nb4=) 14...0-0 (14...Ra2 15.c4 Be5 16.Ne5 Ne5 17.cd5 ed5 18.Nc3+=) 15.Nd6 Qd6 16.Rb7 Ra2 17.Ng5 h6 (17...Rc2 18.Qh5 h6 19.Qh6 Qh2 20.Kh2 Rb8 21.Qh7 Kf8 22.Qf7) 18.Qh5 f7 ½–½. adalbert (2155) – soltpl (2060), gameknot.com, 2016.

7.0-0 c4 8.d3 (8.a4!?=) 8...ab5+= 9.dc4 (9.Nbd2 0-0+=) 9...bc4–/+ 10.Ne5 (10.Nbd2 Qc7 11.Bf6 gf6–/+) 10...Qc7 11.Nf3 0-0 12.Bf6 gf6 13.Qd4 Qe7 14.Qg4 Kh8 15.Nc3 e5 (better is 15...Nc6 16.Qh5 Ra5–/+) 16.Nd5? (better is 16.Qh5 Be6 17.Rfd1+=) 16...Bg4–+ 17.Ne7 Bf3 (better is 17...Be7 18.Rfb1 Ra7 19.Bc4 Nc6–+) 18.Nf5?? (better is 18.Bf3 Be7 19.Rfb1–+) 18...Be2 19.Rfe1 Ba3 20.Re2 c3 21.Rd1 Bb2 22.Rd6 Ra2 23.h4 Nc6 24.Re1 (24.Rd7 Bc1–+) 24...Ba3 25.Rd7 b5 (25...Rc2 26.Rb7 Rc8 27.Ra1–+) 26.Nh6 (26.Rc7 Na5 27.Rd1 Rc2–+) 26...Kg7 27.Nf5 Kg6 28.g4 h5 29.Kh1 (29.Re2 hg4 30.Ng3 Nb4–+) 29...hg4 30.e4 Nd4 (better is 30...Rc2 31.Rg1 Kh5 32.Rc7–+) 31.Ne7 (31.Nd4 ed4 32.Rg1 Rc2–+) 31...Be7 32.Re7 Rc2 0–1. Bobby_G – Galloway, playchess.de, 2001.

7.Nc3 0-0 =.

7.0-0 0-0 8.a4 b6 9.d3 Bb7 10.Nbd2 a5 (10...a6 11.c4=) 11.c4= Qc7 12.h3 Rad8 13.Qc2 e5 14.d4 (14.cd5 Nd5 15.Nc4 Nb4=) 14...ed4 (14...cd4 15.ed4 e4 16.Nh4=+) 15.ed4= Rfe8 16.Bd3 (16.Rfe1 Re7=) 16...dc4=+ 17.Bc4 Ne4 (17...cd4!? 18.Bd4 Ne5=+) 18.Bf7 Kf7 19.Ne4 Kg8?? (19...Be4 20.Ng5 Kf8 21.Ne4 cd4=) 20.Nd6 (better 20.Qc4 Kh8 21.Neg5+–) 20...Qd6+– 21.Ng5 Nf8 (21...g6 22.Rfd1 Qd5 23.Nf3+–) 22.Rad1 (22.dc5 Qc5 23.Qc5 bc5+–) 22...Qf6 23.f4 cd4 24.Qc4 (24.Qf2 h6 25.Bd4 Rd4 26.Rd4 Re2 27.Qe2 Qd4 28.Kh2 hg5 29.fg5 Qd6 (29...Qa4?? 30.Qe8 Qb4 31.Qf7 Kh8 32.Qf8 Qf8 33.Rf8 Kh7 34.Rb8+–) 30.Kh1 Ng6+=) 24...Bd5= 25.Qd4 (25.Qd3=) 25...Qg6 (better 25...Qd4!? 26.Rd4 Re2+=) 26.Qf2 h6 27.Nf3 Bb3 (better 27...Ne6!? 28.Be5 Nc5+–) 28.Rd8 Rd8 29.Ne5 (29.f5!? Qd6 30.Bg7 Kg7 31.Qb2 Kh7 32.Qb3 Qc5 33.Rf2 Qc1 34.Kh2 Qf4 35.g3 Qf5+–) 29...Qc2+– 30.Qc2 (30.Bd4!? Ba4 31.Qc2 Bc2 32.Bb6+–) 30...Bc2+= 31.Ra1 Ne6 32.Nc6 (32.Nc4 Nf4 33.Be5 Nd5+=) 32...Rd2 (32...Rd1 33.Rd1 Bd1 34.f5=) 33.Bc3+= Re2 34.Nd4 (34.Be5 Be4 35.Ne7 Kf8+=) 34...Nd4 (34...Nf4!? 35.Ne2 Ne2 36.Kh2 Nc3=) 35.Bd4+– Re4 36.Bb6 Ra4 37.Ra4 Ba4 38.Ba5 Bb5 39.Kf2 g6 40.g3 h5 41.h4 (41.g4 Kf7+–) 41...Kf7+= 42.Ke3 Ke6 43.Be1 ½–½. Olcum,Ahmet – Sherifaj,Pasho, 23rd ECC Men, Kemer TUR (7), 2007.

7.0-0 0-0 8.d3 Qc7 9.c4 dc4 10.dc4 b6 (10...e5 11.Nfd2=+) 11.a4 (11.Qd2 Bb7=) 11...Bb7 12.h3 Rfe8 13.Nbd2 Rad8 14.Qc2 Ne5 15.Ne5 Be5 16.Be5 Qe5 17.Rad1 Ne4 18.Ne4 Qe4 19.Qe4 Be4 ½-½. retiponziani (1955) - Toby10 (1980), ChessWorld.net, 2016.

7.0-0 0-0 8.d3 Qc7 9.Nbd2 e5+=.

7.0-0 0-0 8.d3 Qc7 9.h3 e5 (9...a6 10.ba6 b5 11.a4 ba4 12.c4+=) 10.Nbd2 b6 (10...Rd8 11.c4=) 11.Rc1 (11.c4 a6+=) 11...a6–/+ Black gets the initiative 12.a4 (12.ba6 Ba6 13.c4 dc4 14.dc4 Bb7–/+) 12...ab5 13.ab5 Ra2 14.Rb1 (14.Bc3 d4 15.Ba1 Bb7–/+) 14...h6 (14...Bb7 15.c4–/+) 15.e4 (better is 15.c4!? e4 16.Nh4+=) 15...c4–/+ 16.dc4 de4 17.Nh2 Nc5 18.Ng4 Ng4 19.Bg4 f5 20.Be2 Rd8 21.Qc1 (21.Qe1 Be6–+) 21...Be7 22.Nb3 (22.Rd1 Bg5 23.h4 Bh4–+) 22...Bg5 23.Qe1 Nb3 24.cb3 Rd2 25.h4 Bf4 (25...Rab2 26.Rb2 Rb2 27.hg5 hg5 28.c5 Qc5 29.Bc4 Kf8 30.Qd1=; 25...Rdb2 26.Rb2 Rb2 27.hg5 hg5 28.c5 Qc5 29.Bc4 Kf8 30.Qd1=) 26.g3 Rab2 27.Rb2 Rb2 28.gf4 ef4 (worse is 28...Rb3 29.Qd1 Rb2 30.fe5–+) 29.Qd1 Qe7 (29...Qe7 30.c5 Be6–+ (30...Qc5?? 31.Bc4 Kh7 32.Qd8+–); 29...f3 30.Bf3 ef3 31.Qf3–+) 0–1. Brzoza,Miroslaw – Soja,Rudolf, corr ICCF Cup8/9 V145, 1990.

7.0-0 e5 8.d3 0-0 9.c4 d4 10.Qc1 (10.h3 a6=+) 10...Bc7 (10...a6 11.ba6 ba6 12.Nbd2=+) 11.a4 Re8 12.a5 (12.Nbd2!?=) 12...Ba5-/+ 13.Nbd2 a6 (13...h6 14.Nb3 Bb6 15.h3-/+) 14.ba6 (14.h3 h6=+) 14...ba6 15.Nb3 (15.Ng5 Bb7-/+) 15...Bb4-/+ 16.Ng5 (16.Ba3 Rb8-/+) 16...a5 17.Bf3 Ra6 18.Ba3 (18.Nd2!?-/+) 18...h6-+ 19.Ne4 Ne4 20.Be4 a4 21.Nd2 Nf6 22.Qc2? (22.ed4 ed4 (22...Ne4?! 23.Ne4 Qd4 24.Qe3-/+) 23.Bb4 cb4-+) 22...de3 23.fe3 (23.Bb4 ef2 24.Rf2 cb4 25.Ra4-+) 23…Bd2 (23...Bd2 24.Qd2 Ne4-+) 0-1. Clay56 (2320) - Panza (2485), ChessWorld.net, 2010.

7.0-0 e5 8.d3 Qc7 9.e4 (9.Nh4 e4 10.Kh1 0-0=+) 9...0-0 (9...de4 10.de4 Ne4 11.Na3=+) 10.ed5 Nd5 11.Nbd2 Nf4 (11...a6 12.a4=) 12.Nc4 Increases the pressure on e5 12...f6 (12...Re8 13.Nfd2=) 13.a4 (13.Bc1 Ne2 14.Qe2 a6=) 13...a6 14.Nfd2 ab5 15.ab5 Ra1 16.Ba1 Nb6 17.Bg4 Bg4 18.Qg4 Nc4 (18...Rd8 19.Nb6 Qb6 20.Rb1=) 19.Nc4 Rd8 20.Bb2 (20.Qf3 Qd7=) 20...Qd7 21.Qd7 Ne2 22.Kh1 Rd7 23.Ra1 Kf7 24.g3 (24.Nb6 Rc7=) 24...Nd4 25.Nb6 Re7 26.c4 (26.Nc8 Rd7 27.c4 Nc2=+) 26...Nc2 27.Ra7 Bb8 (27...Ke6 28.Nd5 Rd7 29.Nb6=+) 28.Ra8= ½–½. Van Rooijen,Peter (1690) – Nenciulescu,Silviu Catalin (2055), IECG, 2004.

7.0-0 b6 8.d3 Bb7 9.Nbd2 0-0 10.c4 Qc7 11.Qc2 e5 12.cd5 Nd5 13.a3 f5 14.Nc4 The pressure on e5 grows 14...Be7 (14...a6 15.ba6 Ba6 16.Ng5=) 15.Rfe1 (15.Nce5!? a6 16.ba6 Ba6 17.Qb3+/-) 15...Bf6+= 16.Qb3 Kh8 17.g3 (17.Rad1 a6 18.ba6 Ra6=) 17...Rae8 (17...a6 18.ba6 Ba6 19.Rad1=+) 18.e4 Ne7 19.Nfd2 f4 20.Bg4 fg3 21.fg3 Bg5? (21...Rd8 22.Rf1+=) 22.Rf1 (22.Bd7!? Bd2 23.Re2 (23.Nd2?! Qd7 24.Be5 Nf5+/-) 23...Qd7 24.Ne5+- (24.Rd2?! Ng6=)) 22...Nf6 (22...Bd2 23.Nd2 Nf6 24.Be6+=) 23.Bh3 (23.Be5 Qd8 24.Be2 Bd2 25.Nd2 Ng6+/-) 23...Ng6 (23...Bd2!? 24.Nd2 Bc8 25.Bc8 Rc8+=) 24.Nf3+/- Bh6 25.Bf5 Qe7 (25...Ne7!? 26.Be6 Nc8 27.Be5 Qd8 28.Bc8 Bc8+-) 26.Bg6 hg6 27.Nfe5 Kh7 28.Rae1 Qe6 29.Qc2 Ng4 (29...a6 30.Qa4 Ra8 31.Qb3+-) 30.Qe2 (30.Ng4!? Qg4 31.Nd6 Rf1 32.Rf1 Re7+-) 30...Rf1 31.Rf1 Nf6 32.Kg2 a6 33.a4 ab5 34.ab5 Bc8 35.Kg1 Nh5 (35...Bb7!?+-) 36.Nf7 Nf6 37.Nfd6 Bd7 (37...Rd8 38.e5+-) 38.Ne8 Qe8?! (38...Ne8 39.Ne5 Bb5+-) 39.Bf6 gf6 40.e5 (better 40.Nb6!? Bh3 41.Rb1 f5+-) 40...f5 (40...fe5 41.Qe5 (worse 41.Ne5 Bb5 42.Rf7 Bg7+-) 41...Bb5 42.Rf6+-) 41.e6 (better 41.Ra1 Be6 42.Ra7 (42.Nb6?! Qb5 43.Nc4 Qb7+-) 42...Bg7 43.Nd6+- (43.Nb6?! Qb5 44.Nc4 Qb1 45.Qf1 Qb8+-)) 41...Be6?? (better 41...Bg7 42.h3 Qe7+-) 42.Re1 (worse 42.Nb6 Qf7 43.Re1 Bb3+-) 42...Qd7 43.Qe6 Qd3 (43...Qd4 44.Kg2 Qd3 45.Ne5 Qd2 46.Kf1+-) 44.Qe7 (better 44.Ne5 Qd4 45.Kh1+-) 44...Bg7 45.Nb6 c4 (45...Qb5 46.Nd7 Qb4 47.Nc5+-) 46.Qe2 (better 46.Qh4 Kg8 47.Qc4 Qc4 48.Nc4 Bd4 49.Kg2+-) 46...Qd4 47.Qe3 Qd6 (47...c3 48.Kf2 c2 49.Qd4 Bd4 50.Kf3 Bb6+-) 48.Nc4 Qd7 (48...Qd5 49.Ne5 Qb5 50.Nf7+-) 49.Ne5 (49.Qe8 Qd4 50.Ne3 Qa7+-) 49...Qd8 (49...Qb5 50.Nf7 Qa4 51.Ng5 Kh6 52.Ne6 Kh7 53.Ng7+-) 50.b6 (better 50.Nc6 Qd5 51.Qe7 Qc4+-) 50...Be5 51.Qe5 Qb6 52.Kg2 Qc6 53.Kh3 Qc4 54.Qe7 Kh6 55.Qf8 Kg5 56.Qd8 (56.Qh8 Qg4 57.Kg2 Qc4+-) 56…Kh6. bjoerni (2215) - wesh (2130), Rated Blitz game, lichess.org, 2015.

6.c4 a5 7.a4 Bd6 8.Qc2 0-0 9.Be2 dc4 10.Bc4 b6 (10...Qe7 11.Ng5 e5 12.Nc3+=) 11.0-0 e5 (11...Qe7 12.Ng5 Rd8 13.Na3 Bh2 14.Kh2 Ng4 15.Kg3 Qg5 16.f4 Ne3 17.fg5 Nc2 18.Nc2+–) 12.d3 (12.Ne5 Be6+–) 12...Be6 (12...Re8!?+=) 13.Nbd2 Nbd7 14.Be6 fe6 15.Qc4 Qe7 16.Ng5 (16.Ng5 Rae8 17.Rac1+–) 1–0. Reimer,K – Schaefer,U, Eisenberg Pfalz, 1993.

6.c4 Ne4 7.Be2 f6 (7...dc4 8.a4=) 8.0-0 (8.d3 Nd6+=) 8...a6 (8...dc4 9.Bc4 Nd6 10.d3=) 9.d3+= Nd6 10.Nc3 ab5 11.cd5 b4 12.de6 (12.Ne4 b6 13.de6 Be6+=) 12...Be6= 13.Na4? (better 13.Nb1=) 13...Qa5-/+ 14.a3 (14.Nc5 Qc5 15.Nd4 Ba2 16.Bh5 Ke7-/+) 14...Qa4-+ 15.ab4 Qd1 16.Rfd1 (16.Rad1? Ra2 17.bc5 Rb2 18.cd6 Bd6-+) 16...Ra1 17.Ba1 (17.Ra1 Na6 18.bc5 Nc5 19.Ra8 Kf7 20.Ba3-/+) 17...Be7?? (better 17...cb4 18.Nd4 Ba2-+) 18.bc5= Nf5 (18...Nf7 19.d4=) 19.d4+= 0-0 (19...Bd5!?+=) 20.d5 Bd7 21.d6 Bd8 22.Bc4 Kh8 23.e4 Nh6 24.e5 fe5 25.Ne5 Bf6 26.f4 (worse 26.Nd7 Nd7 27.Bf6 gf6-/+) 26...Ng4 (26...Rc8 27.Nd7 Nd7 28.Bf6 gf6 29.Be6+=) 27.Nf7 (worse 27.Nd7 Nd7 28.Bb5 Nc5-/+) 27...Kg8 28.Nd8 Kh8 29.Nb7 (29.Bf6 Nf6 30.Nb7 Ne4+/-) 29...Ba1 (29...Ne3 30.Bf6 Nd1-/+) 30.Ra1+/- Rf4 31.Ra8 Rf8 32.Na5 Ne3 33.Be2 Bg4 (33...Kg8!? 34.Bf3 g5+=) 34.Bb5 Bd7? (better 34...Ng2 35.Nc6 Nd7 36.Rf8 Nf8+-) 35.c6 Bf5 (35...Bc6 36.Nc6 Nd7 37.Rf8 Nf8+-) 36.c7 Nd7 (36...Kg8 37.Rb8 Nd5 38.Nc6 Nc7 39.dc7+-) 37.Rf8 (37.c8Q h5 38.Bd7 Rc8 39.Bc8 Kh7 40.Bf5 Nf5+-) 37...Nf8 38.d7! Bd7 (38...Bd7 39.Bd7 Combination; 38...Nd7 39.c8Q Mate attack) 39.Bd7 g6 40.c8Q Kg8 41.Be6 Kg7 42.Bb3 Nf5 43.Qc7 Kh6 44.Nc6 Ne6 45.Qe5 (45.Be6 Ne3 46.Ne7 Kh5 47.Ng8 Ng4 48.Qf4 g5 49.Bg4 Kg6 50.Qf6) 45...Ng5 46.g4 (46.Qf4 Kg7 47.Qg5 h6 48.Qd8 h5 49.Ne5 Nd6 50.Qe7 Kh6 51.Qf8 Kg5 52.h4 Kh4 53.Qf4) 46...Nh4 (46...Nf3 47.Kf2 Ne5 48.Ne5 Nd4+-) 47.Qe3 Kg7 (47...Nhf3 48.Kf2 Nh2 49.Ne5 Ng4 50.Ng4 Kh5 51.Nf6 Kh6 52.Ng8 Kh5 53.Bd1 Nf3 54.Bf3 Kh4 55.Qh6) 48.Qe7 Kh6 (48...Nf7 49.Qf7 Kh6 50.Nd4 Kg5 51.Ne6 Kg4 52.Qf4 Kh5 53.Qg5) 49.Ne5 (49.Qf8) 49...Nhf3 (49...Nf5 50.gf5 Kh5 51.Bd1 Nf3 52.Bf3 Kh6 53.h4 gf5 54.Qf6) 50.Nf3 (50.Kh1 Ne4 51.Nf7 Kg7 52.Nd6 Kh6 53.Ne4 Nh2 54.Qf8) 50...Nf3 51.Kf2 Nd4 (51...Nd2 52.h4 Ne4 53.Ke3 g5 54.Qf8 Kg6 55.h5) 52.Qe3 (52.h4 Ne6 53.Be6 g5 54.Qg5) 52...Kg7 53.Qd4 (53.Qd4 Kh6 54.h4 g5 55.Qf6; 53.Qe5 Kh6 54.Bd1 Nf5 55.Qf6 Ne3 56.g5) 1-0. benachamohcine (2135) - darewing (1960), Rated Blitz game, lichess.org, 2014.

6.Be2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Qa5 10.Bc3 Qa4 (10...Qb6 11.Bf6 gf6 12.Nc3=) 11.Bf6 (11.Be5 Qa8+=) 11...gf6 12.Nc3 Qb4 13.0-0 c4 (13...Rg8 14.h3 Qb2 15.Qb1 Qb1 16.Rb1+=) 14.Nd4 (14.Qa1 Qc5+= (14...Bb5?? 15.Nb5 Na6 16.Qf6+-)) 14...Bc5 (14...Rg8 15.Qa1 Qd6 16.Qa8+=) 15.f4 (15.Bh5 f5+/-) 15...Bd4= 16.ed4 Bb5 17.Nb5 (17.f5 Bd7=) 17...Qb5=+ 18.f5 0-0 19.Bh5 (19.fe6 fe6 20.c3 Qd7=+) 19...Qd7 (19...e5 20.Qg4 Kh8 21.Qh4=+) 20.Rf3 (20.Qg4 Kh8=) 20...Kh8=+ 21.Rg3 Rg8 (21...ef5 22.Qf1=+) 22.Rg8 Kg8 23.Qg4 Kh8 24.Qf4 Nc6 25.fe6 Qe6 26.h4 (26.Kf1 f5=) 26...Kg7 (26...b5 27.Kh2=+) 27.Bf3 f5 28.h5 h6 29.c3 b5 30.Kh2 (30.Qg3 Kh7-/+) 30...b4-/+ 31.Qg3 Kh7 32.Qc7 (32.cb4 Nb4 33.Qb8-/+) 32...bc3 (better 32...b3-+) 33.dc3=+ Ne7 34.Qd8 Kg7 35.Kg3 Qe3 36.Qd6 Qc3 (better 36...Qg5!? 37.Kf2 Qh4 38.Qg3 Qg3 39.Kg3 Kf6=) 37.Qe7+= Qd4 38.Qd6 (better 38.Qd7!? c3 39.Bd5 (39.Qd5?? Qd5 40.Bd5 c2-+) 39...Qg4 40.Kf2 Qf4 41.Ke2 Qd2 42.Kf3 Qd1 43.Kf4 Qd2 44.Kf5 Qf2 45.Ke5=) 38...c3=+ 39.Bd5? (better 39.Qc7=+) 39...c2-+ 40.Qc7 f4! (40...Qd5?! 41.Qc3 Kf8 42.Qc2 Qe5 43.Kf3-/+) 41.Kh2 (41.Qf4 Qd5 Zwischenzug) 41...Qd5 42.Qc2 Qh5 43.Kg1 Qg5 44.Qc3 Kh7 45.Qd3 Qg6 46.Qd4?? (46.Qb3 Kg7-+) 46...Qf5 (better 46...f3 47.g4 h5-+) 47.Qf2 (47.Kf2 h5-+) 47...Kg6 48.Qf3 Kg5 49.Kh2 Qe6 50.Qd3 Kh4 51.Qh7 (51.Qd4 Qf5-+) 51...Qg6 (51...f3!? 52.Qg7 fg2 53.Qg3 Kh5 54.Qf3 Kg5 55.Qg2 Qg4 56.Qd5 Kg6 57.Qd6 f6 58.Qd8-+) 52.Qh8 f6 53.Qd8 Qg3 54.Kh1 Qe1 55.Kh2 Qe5 56.Kh1?? (better 56.Qg8-+) 56...Kg3 (56...f3 57.Qg8 Qg3 58.Qc4 Qg4 59.Qf1 fg2 60.Qg2 Qg2 61.Kg2-+) 57.Qd3 Kh4 (57...Qe3 58.Qb1 Qe2 59.Qb3 Kf2 60.Qb6 Qe3 61.Qb2 Kf1 62.Qa1 Qe1 63.Qe1 Ke1 64.Kg1-+) 58.Qg6?? (58.Qd8 f3 59.Qg8-+) 58...Qe1-+ 59.Kh2 Qg3 60.Qg3 fg3 61.Kg1 Kg4 62.Kf1 h5 63.Ke2 h4 (63...h4 64.Ke3 f5-+) 0-1. banjoband (2020) - sansechess (2055), Rated Blitz game, lichess.org, 2014.

6.Be2 c4 7.a4 a6 8.Nc3 Bb4 9.Ne5 (9.0-0 0-0=) 9...ab5 (9...0-0 10.0-0=) 10.Nd7 (10.ab5 Ra1 11.Qa1 Bc3 12.Bc3 Bb5=) 10...Bc3 (10...Nbd7 11.ab5 0-0 12.0-0+=) 11.Bc3 (11.ab5? Ra1 (11...Nbd7?! 12.Bc3 0-0 13.Ra8 Qa8 14.d3=) 12.Ba1 Ba1 (12...Qd7?! 13.Bc3 Qb5 14.Qa1=) 13.Nb8 Be5–+ (13...Qb8?! 14.Qa1 0-0 15.0-0=)) 11...Nbd7 12.ab5 0-0 13.d3 (13.Ra8 Qa8 14.d3 Qa4=) 13...Ra1 (13...cd3 14.Bd3 Qc7 15.Bb2=) 14.Qa1 (worse is 14.Ba1 Qa5 15.c3 Qb5 16.dc4 dc4–/+) 14...Qa8 (better is 14...cd3!? 15.cd3 Qb6=) 15.dc4+/– Qa1 16.Ba1 dc4 (16...Rc8 17.cd5 Rc2 18.Bf6 Nf6 19.de6 fe6 20.Rf1+=) 17.Bc4 Rc8 18.Bd3 Nc5 19.Ke2 Nd3 (better is 19...Nd5+/–) 20.Kd3 (better is 20.cd3!? Nd5 21.Rb1+/–) 20...Ng4+= 21.Rf1 Nh2 22.Rc1 Ng4 23.f3 Rd8 24.Ke2+/– Nf6 25.Bf6 gf6 26.c4 Kf8 27.Rd1 Rd1 28.Kd1 Ke7 29.c5 h5 30.f4 f5 31.Ke2 h4 32.Kd3 f6 33.Kd4 Kd7 34.Kc4 Kc7 35.Kb4 Kd7 36.Ka4 Kc8 37.c6 bc6 38.bc6 Kc7 39.Kb5 Kc8?? 40.Kb6 e5 41.Kc5 (41.Kc5 Kc7 42.Kd5+–) 1–0. Kleinke,Uwe – Meixelsberger, corr DDR–ch I730, 1979.

6.Be2 Be7 7.0-0 a6 8.a4 0-0 9.c4 dc4 10.Bc4 Ne4 11.Qc2 ab5 12.Bd3 Nd6 13.Bh7 Kh8 14.Ne5 (14.ab5 Ra1 15.Ba1 Bb5=) 14...Nc6 (better is 14...ba4 15.Bd3 b6+=) 15.Ng6?? (better is 15.ab5 Ne5 16.Be5 Ra1 17.Ba1 Bb5 18.Rc1=) 15...fg6–+ 16.Qg6 Bf6 17.Qh5 Nf7 18.Bg6 (better is 18.Be4!? Nh6 19.ab5 Bb2 20.Ra8 Qa8 21.bc6 Bc6 22.Bc6 bc6 23.Qc5–/+) 18...Nh6–+ 19.g4?? (19.Bf6 Qf6 20.Nc3 ba4–+) 19...Be8 (better is 19...Bb2 20.Ra2 Bf6–+) 20.Bf6 (20.ab5 Bg6 21.Qg6 Ne7 (21...Bb2?! 22.Ra8 Qa8 23.bc6–+) 22.Ra8 Qa8–+ (worse is 22...Ng6 23.Rd8 Bd8 24.h3–+; 22...Bb2 23.Rd8 Ng6 24.Rf8 Nf8 25.h3+=)) 20...Qf6 (20...Rf6?! 21.Be8 Qe8 22.ab5+=) 21.Be8 Rae8 (21...Qa1 22.Bc6 bc6 23.g5–+) 22.g5? (22.ab5 Qa1 23.bc6–+) 22...Qf5 (better is 22...Qa1 23.ab5 Ne5–+) 23.ab5–/+ Ne5 24.f4 Nd3 25.Nc3 Kg8 26.Qf3 Ng4 27.h3 Nge5 28.Qg3+/– c4 29.e4 Qf7 30.fe5 Qc7 31.g6 Ne5 32.Kg2 Qd6 33.Kh1 Rf6 34.Rf6 gf6 35.Qh4 Qe7 36.Rf1 Rf8 37.Qg3 Qg7 38.Rg1 f5 39.ef5 Rf5 40.h4 b6 41.Ne4 Qb7 42.Qg2 Nf3 43.Ng5 Qd5 d2 gets attention 44.Nf3 Rf3 45.Re1 Qf5 46.Re3 0–1. Schumacher,Dirk (2025) – Helms,Sven (1975), Mecklenburg VP LL, 2005. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.b5 c5 5.e3 Bd7)

6.Ne5 Be7 7.Nd7 Nbd7 8.Be2 Qb6 9.0-0 c4 10.Nc3 0-0 11.a4 a6 12.a5 Qc7 13.d4 ab5 14.Nb5 Qc6 15.Nc3 Bb4 16.Na4? (16.f3 Ba5 17.Qe1 b5–/+) 16...Ba5 (16...c3 17.Bc3 Bc3 18.Nc3 Qc3 19.Qd3–+) 17.c3 (17.Ba3 Rfe8 18.Nc5–+) 17...Nb6 (better is 17...b5!? 18.Nc5 Nc5 19.dc5 Qc5–+) 18.Nc5 Nbd7 (18...Nc8 19.Qa4–/+) 19.Nd7 (19.Na4 Bc7 20.Qc2–+) 19...Nd7 20.Ra2 b6 21.Qa1 Ra7 22.Rc1 Rfa8 23.Ba3 b5 24.Bb4 Qb6 25.Rb1?? (better is 25.Ba5 Ra5 26.Ra5 Qa5 27.Qa5 Ra5 28.Kf1–/+) 25...Bb4–+ 26.Ra7 Ra7 (26...Qa7?! 27.Qa7 Ra7 28.Rb4–+) 27.Qb2 Ba3 28.Qb5 Qb5 29.Rb5 Bc1 30.g3 (30.e4 Ra2 31.Bf1 Rb2–+) 30...h6 (30...Bd2 31.e4 de4 32.Bc4–+) 31.h4 (31.e4 Nf6 32.ed5 ed5–+) 31...Bd2 32.Kg2 Bc3 33.Rb1 Nf6 34.f3 (34...Bd2 35.e4–+; 34.Rc1 Ra3–+) 1–0. MasterofDisaster – acB, Live Game Caissa's Web, 2004.

7.c4 ab5 8.cb5 c4 9.Be2 (9.d3 Bb4 10.Bc3 Bc3 11.Nc3 cd3 12.Bd3 e5=) 9...Ne4= 10.0-0 Nc5 11.Qc2 (better 11.d3!? cd3 12.Bd3+=) 11...Nb3-/+ 12.Ra2 Bb5! 13.Bg7 (13.ab5 Ra5 Double attack (13...Ra2 Pinning; 13...Ra2 Deflection; 13...Ra5 Decoy)) 13...Bg7-+ 14.ab5 Nd7 (14...Na1!? 15.Ra1 Ra1-/+) 15.Bd1 (15.Ra8 Qa8 16.d3 cd3 17.Bd3 Nbc5=) 15...0-0 (15...Ndc5!?=+) 16.Ra8= Qa8 17.Ng5 f5?? (better 17...Nf6 18.d4 h6=) 18.Ne6+- Rf6? (18...Na1 19.Qc1 Rf7 20.Nc3+-) 19.Ng7 (better 19.Nc7 Qa5 20.Nd5+-) 19...Kg7 20.Nc3 b6 (better 20...Qg8+-) 21.Bf3 Qf8 (21...Rd6+-) 22.Nd5 (22.Bd5?! Na5+-) 22...Rg6 (22...Rh6 23.Qc4 Qd6 24.h3 Nd2 25.Qc3 Ne5 26.Qd2 Nf3 27.gf3 Qg6 28.Kh2 Rh3 29.Kh3 Qh5 30.Kg2 Qg6 31.Kh2 Qh5 32.Kg1 Qg6 33.Kh1 Qh5 34.Kg1 Qg6 35.Kh2 Qh5 36.Kg3 Qg5 37.Kh2 Qh5=) 23.Nf4 (23.Qc4!? Na5 24.Qd4 Kh6+-) 23...Rg5 (23...Rd6 24.Bd5 Kh6+-) 24.Ne6 (24.Ne6 Kf6 25.Nf8 Nf8 26.Qc4+-) 1-0. Abdullaevich (1735) - abdo19, lichess.org, 2019.

7.c4 ab5 8.cb5 Be7 9.Be2 c4 (9...Bd6 10.0-0=) 10.0-0+= 0-0 11.d3 cd3 12.Bd3 Ne4 (12...Qc7 13.Qd2+=) 13.Nbd2 (13.Be4 de4 14.Qd4 Bf6+/-) 13...Nd2 (13...f5 14.Ne5=) 14.Qd2+/- Bf6 15.Ne5 Be8 16.Rfc1 Nd7 17.Nd7 Bd7 18.Bf6 Qf6 19.Ra2 e5 20.f3 (20.Bc4 d4+=) 20...Be6 21.Ra3 Qg5 22.f4 ef4 23.ef4 Qf6 24.a5 Qd4 (24...Rfc8 25.a6 Rc1 26.Qc1 ba6 27.ba6=) 25.Kf1 (25.Qf2 Qb4 26.Rca1 Rfc8+=) 25...g6 (25...Bf5 26.Rd1 Qc5 27.Ra2 (worse 27.Bf5 Qa3 28.Qd5 Qa5-+) 27...Bd3 28.Qd3=) 26.a6 Bf5 27.Rc2 Bd3 28.Rd3 (worse 28.Qd3 Qf4 29.Kg1 ba6 30.ba6 Rfe8=+) 28...Qe4 (28...Qb6 29.Rd5 ba6 30.Rc6=) 29.Rd5 (29.ab7 Ra1 30.Kf2+/-) 29...Rfe8? (better 29...ba6 30.b6 Rfe8+=) 30.ab7+- Rab8 31.Rc7 Qb1 32.Kf2 Qe4 33.g3?? (better 33.Rdd7 Rf8 34.Qd6+-) 33...Qb4?? (better 33...Qh1=) 34.Qb4+- (34.Qb4 Rf8 35.Qf8 Rf8 36.Rc8 h6 37.b8Q Re8 38.Re8 Kh7 39.Rh8 Kg7 40.Rd6 f5 41.Qf8) 1-0. Abdullaevich (1880) - Marius2905 (1885), lichess.org, 2020.

7.c4 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 Bd6 11.0-0 0-0 12.Bc3 Nd5 13.Qb3 Nc3 14.Nc3 Be8 15.Ne4 Be7 16.d4 cd4 17.Nd4 Nd7 18.Ra1 Nb6 19.Rc1 e5 20.Nf3 Bf6 (20...Qc8!?+=) 21.Nf6 Qf6 22.Rd1 (22.Bd3!?+/–) 22...Bd7+= 23.Be2 Be6 24.Qc3 e4 25.Qf6 gf6 26.Nd4 Rc8 27.h3 Bc4 (27...Nd5 28.Ne6 Nc3 29.Rd8 Rd8 30.Nd8 Ne2 31.Kf1+/–) 28.Bg4 Rc5 Exerts pressure on the isolated pawn 29.Rc1 Re5 30.Rb1 h5 31.Bd1 Bd3 32.Bc2 Nc4 33.Bd3 ed3 34.Rd1 d2 35.Kf1 f5 36.g3 h4 37.gh4 Rd5 38.Ke2 f4 39.Kf3 (better is 39.Nf3!?+=) 39...fe3+= 40.fe3 Kh7 41.Ke4 Re5 42.Kf4 Re3 (42...Rh5!?+=) 43.Rd2= Rh3 44.Kg4 (44.Rf2!?=) 44...Rh4–/+ (worse is 44...Nd2 45.Kh3 Ne4 46.Kg4+=) 45.Kh4 Nd2 46.Kg5 Ne4 47.Kf5 Nd6 48.Ke5 Nb5 (48...Nc8!?–/+) 49.Nb5= Kg6 50.Nd6 b6 51.Nf7 ½–½. Hal1958 – Josef1901, playchess.de, 2003.

8.Qb3 a6 9.Nc3 dc4 (9...ab5 10.ab5 Ra1 11.Ba1 Bc8 12.Be2 dc4 13.Qc4 Nbd7 14.0-0 Nb6 15.Qb3=; 9...Bc8 10.Be2 (10.Bd3 ab5 11.ab5 Ra1 12.Ba1 dc4 13.Bc4 b6 14.Qc2 Bb7 15.e4=) 10...ab5 11.ab5 Ra1 12.Ba1 dc4 13.Qc4 Nbd7 14.0-0 Nb6 15.Qh4=; 9...Qb6 10.cd5 (10.a5 Qd6 11.d4 ab5 12.Nb5 Bb5 13.Qb5 cd4 14.Ba3 Qc7 15.Be7+=) 10...ed5 11.Nd5 Nd5 12.Qd5 ab5 13.ab5 Ra1 14.Ba1 Bb5 15.Qb3=) 10.Bc4 ab5 11.ab5 Ra1 12.Ba1 Qa5 (12...Bd6 13.0-0 e5 14.d4 cd4 15.ed4=) 13.0-0 Rd8 14.Bb2 (14.Rd1 Bd6 15.d4+=) 14...Qc7 (14...Qb6 15.Ra1+=) 15.Rc1 (15.Ra1+=) 15...b6 16.d4 Bc8 17.d5 e5 18.d6 Bd6 (18...Qd6 19.Bf7 Discovered attack; 18...Rd6 19.Bf7 Double attack (19.Bf7 Discovered attack; 19.Ne5 Decoy; 19.Ne5 Interception); 18...Bd6 19.Ng5 Combination) 19.Ng5 Rf8 20.Rd1 Bg4 (better is 20...e4 21.h3 Bh2 22.Kh1 Qe7 23.Bf7 Kh8+/–) 21.Rd6?? (better is 21.Nf7 Rf7 22.Bf7 Qf7 23.Qf7 Kf7 24.Rd6+–) 21...Qd6= 22.Nf7 Rf7 23.Bf7 Kf8 24.f3 Bf5 25.Bd5 Nbd7 26.e4 Bg6 27.Qa4 Be8 28.Qa8 Nb8 29.h3 Nh5 30.Bc1 h6 31.Be3 Qc7 32.Bc4 Nf6 33.Kf2 Bf7 34.Bf7 Kf7 35.Qa2 Ke7 36.g4 Qd7 37.g5 hg5 38.Qa8 Qd8 39.Qb7 Nbd7 40.Bg5 Kf8 41.Nd5 Kg8 42.Qc6 Ne4 43.fe4 Qg5 44.Qd7 Qd2 45.Kg3 Qd3 46.Kg4 Qe4 47.Kg5 Qg2 48.Kh5 Qf3 49.Kg6 Qe4 50.Qf5 Qg2 51.Qg4 Qc2 52.Kh5 Qh7 53.Kg5 Qh6 54.Kf5 Qd6 55.Ke4 c4 56.Qc8 Kh7 57.Qc4 Qg6 58.Ke5 1–0. Stanciu,Ad (1985) – Oprita,Matei, 3rd Gaudeamus Cup, 2011.

8.Qb3 a6 9.Bd3 A) 9...b6 10.Nc3 (10.0-0 Bc8 11.Nc3 dc4 12.Qc4 Bb7 13.Be2 ab5 14.ab5 Ra1 15.Ba1=; 10.Na3 Bc8 11.Qc2 Bb7 12.cd5 ed5 13.0-0 Ne4 14.Be2 Bf6 15.d3=) 10...dc4 11.Qc4 ab5 12.ab5 Ra1 13.Ba1 Bd6 14.0-0 Bc8 15.Ne4+=; B) 9...dc4 10.Bc4 (10.Qc4 b6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 Bc8 14.Bf6 Bf6 15.Be4=) 10...ab5 11.ab5 Ra1 12.Ba1 Bd6 13.d4 Qe7 14.dc5 Bc5 15.0-0+=; C) 9...ab5 10.ab5 Ra1 11.Ba1 Bd6 12.Bf6 Qf6 13.cd5 Re8 14.Nc3 e5 15.Qc2+=; D) 9...Bc8 10.Nc3 (10.0-0 b6 11.Nc3 Bb7 12.cd5 ed5 13.Qc2 Re8 14.Rfb1 Bc8 15.Be2=; 10.Ne5 Nbd7 11.0-0 Ne5 12.Be5 Ng4 13.Bb2 Bd6 14.f4 Qh4 15.h3=; 10.Na3 b6 11.Qc2 Bb7 12.cd5 ed5 13.0-0 Re8 14.Be2 Bd6 15.Rfb1=) 10...dc4 11.Bc4 ab5 12.Bb5 Bd6 13.0-0 e5 14.d3 Qb6 15.Ng5=.

8.Qb3 a6 9.d4 A) 9...b6 10.dc5 (10.Bd3 cd4 11.Bd4 Bc5 12.Be5 Bc8 13.cd5 Nd5 14.0-0 Nd7 15.Bb2=) 10...Bc5 11.Bd3 Qe7 12.0-0 dc4 13.Qc4 Rd8 14.Rd1 h6 15.Nbd2+=; B) 9...Qa5 10.Bc3 Qc7 11.dc5 Rc8 12.c6 bc6 13.b6 Qb7 14.a5 c5 15.Bd3=; C) 9...Re8 10.dc5 Bc5 11.Bd3 dc4 12.Qc4 Bd6 13.Ng5 Qe7 14.Nh7 Nd5 15.Qg4+/–; D) 9...Ne4 10.ba6 (10.cd5 ab5 11.ab5 Ra1 12.Ba1 cd4 13.Bd4 Qa5 14.Nbd2 Rc8 15.Bb2–/+) 10...Ra6 11.cd5 Rb6 12.Qc2 ed5 13.a5 Rc6 14.Nc3 Nc3 15.Bc3=.

8.Qb3 a6 9.Be2 A) 9...dc4 10.Qc4 (10.Bc4 ab5 11.ab5 Ra1 12.Ba1 Nd5 13.0-0 Nb6 14.d3 Nc4 15.dc4=) 10...b6 11.0-0 Bc8 12.d4 Bb7 13.dc5 ab5 14.ab5 Ra1 15.Ba1+=; B) 9...b6 10.d4 (10.d3 dc4 11.dc4 Bd6 12.0-0 Qe7 13.Ne5 Bc8 14.a5 ba5 15.Ra5=; 10.0-0 Bc8 11.Nc3 dc4 12.Qc4 Bb7 13.d4 Bd5 14.Nd5 ed5 15.Qc2=) 10...cd4 11.Bd4 dc4 12.Bc4 ab5 13.ab5 Ra1 14.Ba1 Ne4 15.0-0=; C) 9...Bd6 10.0-0 (10.Nc3 ab5 11.Nb5 Be7 12.0-0 dc4 13.Qc4 Bc6 14.Rfc1 Bd5 15.Qc2=; 10.Na3 Bc8 11.ba6 ba6 12.0-0 Nc6 13.Bf6 Qf6 14.cd5 Rb8 15.Qc3+=; 10.d4 cd4 11.Bd4 dc4 12.Bc4 Qe7 13.0-0 e5 14.Bc3 ab5 15.ab5=) 10...dc4 11.Bc4 ab5 12.ab5 Ra1 13.Ba1 Qe7 14.Rd1 Rc8 15.Nc3=; D) 9...ab5 10.ab5 Ra1 11.Ba1 Qb6 12.d4 Rc8 13.0-0 dc4 14.Bc4 Ne4 15.Nc3=.

8.Qb3 b6 A) 9.Ne5 A1) 9...a6 10.d3 (10.d4 cd4 11.Bd4 ab5 12.cb5 Qc7 13.Bd3 Qc1 14.Qd1 Bb4 15.Ke2=; 10.Nd7 Qd7 11.Be2 Rd8 12.d4 Ne4 13.0-0 ab5 14.Qb5 Qc7 15.cd5=; 10.ba6 Na6 11.Be2 Nb4 12.0-0 Qc7 13.Rc1 Rfd8 14.cd5 Nfd5 15.Nd7=) 10...Bd6 11.Be2 Bc8 12.0-0 Nbd7 13.f4 ab5 14.ab5 Ra1 15.Ba1=; A2) 9...Bd6 10.d4 (10.Na3 Bc8 11.Be2 Bb7 12.0-0 a6 13.ba6 Na6 14.a5 Nb4 15.ab6=; 10.Bd3 a6 11.Na3 Bc8 12.0-0 Bb7 13.ba6 Na6 14.Nb5 Be7 15.Bc3=; 10.Be2 Bc8 11.0-0 Bb7 12.f4 a6 13.d3 Nfd7 14.Nd7 Qd7 15.Nd2=) 10...Qc7 11.Bd3 cd4 12.ed4 dc4 13.Nc4 Rc8 14.Nc3 Be7 15.0-0=; B) 9.cd5 B1) 9...Nd5 10.Nc3 (10.Bc4 Bc8 11.0-0 a6 12.d4 ab5 13.ab5 Ra1 14.Ba1 Bb7 15.Nbd2+=) 10...Nc3 11.dc3 a6 12.Rd1 Qc7 13.c4 Rd8 14.Bd3 Qb7 15.0-0+=; B2) 9...ed5 10.Bf6 Bf6 11.Qd5 Na6 12.d4 Nb4 13.Qb3 Qe7 14.Be2 Rac8 15.Nc3=; C) 9.Be2 C1) 9...dc4 10.Bc4 (10.Qc4 a6 11.0-0 Bc8 12.Nc3 Bb7 13.d4 Nbd7 14.Rfc1 cd4 15.Nd4=) 10...a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 Bc8 14.d4 Bb7 15.Nbd2=; C2) 9...a6 10.d4 (10.0-0 Bc8 11.Nc3 Bb7 12.ba6 Na6 13.cd5 ed5 14.d4 c4 15.Qc2=; 10.d3 dc4 11.dc4 Bd6 12.0-0 Qe7 13.Ne5 Bc8 14.a5 ba5 15.Ra5=) 10...cd4 11.Bd4 dc4 12.Bc4 ab5 13.ab5 Ra1 14.Ba1 Ne4 15.0-0=; C3) 9...Bc8 10.0-0 (10.Nc3 a6 11.0-0 Bb7 12.ba6 Na6 13.cd5 ed5 14.d4 c4 15.Qc2=; 10.d3 Bb7 11.0-0 a6 12.Nbd2 Bd6 13.Rfb1 Nbd7 14.ba6 Ra6 15.cd5=; 10.Ne5 Bb7 11.0-0 a6 12.d3 dc4 13.Nc4 ab5 14.ab5 Ra1 15.Ba1=) 10...a6 11.Nc3 dc4 12.Qc4 Bb7 13.d4 Bd5 14.Nd5 ed5 15.Qc2=; C4) 9...Bd6 10.0-0 (10.Nc3 dc4 11.Bc4 Bc8 12.Rd1 Bb7 13.d4 cd4 14.Rd4 Qc7 15.Be2=; 10.Na3 Bc8 11.0-0 Nbd7 12.Qc2 Bb7 13.d3 Re8 14.Bc3 Qc7 15.cd5=; 10.Ne5 Bc8 11.0-0 Bb7 12.f4 Nbd7 13.Bf3 dc4 14.Nc4 Bf3 15.Rf3=) 10...a6 11.Nc3 Bc8 12.d3 Bb7 13.cd5 Nd5 14.Ne4 Be7 15.ba6=; D) 9.Nc3 Bc8 10.Be2 (10.Rd1 Bb7 11.d4 Nbd7 12.cd5 ed5 13.dc5 Nc5 14.Qc2 Rc8 15.Bd3=) 10...a6 11.0-0 dc4 12.Qc4 Bb7 13.d4 Bd5 14.Nd5 ed5 15.Qc2=.

8.Qb3 Bc8 A) 9.a5 A1) 9...b6 10.a6 (10.ab6 Qb6 11.d4 Nbd7 12.Nc3 cd4 13.Nd4 Bb7 14.cd5 Nc5 15.Qd1=; 10.Bc3 a6 11.ab6 Qb6 12.d4 Nbd7 13.Nbd2 Rb8 14.Ra5 Qc7 15.Qc2=; 10.Be2 a6 11.ab6 Qb6 12.Nc3 Bb7 13.0-0 dc4 14.Qc4 Rd8 15.d3=) 10...Ne4 11.Bd3 Bf6 12.0-0 Nd7 13.Nc3 dc4 14.Qc4 Nd6 15.Qb3+=; A2) 9...Bd6 10.Be2 (10.Bd3 Nbd7 11.Nc3 Ne5 12.Ne5 Be5 13.Qa3 Bd6 14.0-0 e5 15.Qa4=) 10...Bc7 11.Qc3 Nbd7 12.0-0 e5 13.cd5 e4 14.Ne1 Be5 15.Qc2=; A3) 9...h6 10.Bd3 (10.Be2 dc4 11.Qc4 a6 12.b6 Bd7 13.Nc3 Nc6 14.0-0 Bd6 15.Ne4+=) 10...dc4 11.Bc4 b6 12.ab6 Qb6 13.d3 Bb7 14.Nbd2 Kh7 15.0-0+=; A4) 9...a6 10.d4 ab5 11.Qb5 Bd7 12.Qb7 Nc6 13.Qb6 Qc8 14.cd5 Nd5 15.Qb3+=; B) 9.Bd3 B1) 9...a6 10.Nc3 (10.0-0 b6 11.Nc3 dc4 12.Qc4 Bb7 13.Be2 ab5 14.ab5 Ra1 15.Ba1=; 10.Ne5 Nbd7 11.0-0 Ne5 12.Be5 Ng4 13.Bb2 Bd6 14.f4 Qh4 15.h3=) 10...ab5 11.ab5 Ra1 12.Ba1 dc4 13.Qc4 b6 14.0-0 Bb7 15.Be2=; B2) 9...dc4 10.Bc4 (10.Qc4 a6 11.0-0 ab5 12.ab5 Ra1 13.Ba1 b6 14.Bf6 Bf6 15.Be4=) 10...b6 11.0-0 a6 12.d4 ab5 13.ab5 Ra1 14.Ba1 Bb7 15.Nbd2=; B3) 9...Nbd7 10.a5 (10.0-0 b6 11.cd5 ed5 12.Be2 Re8 13.d3 Bd6 14.Nc3 Bb7 15.Rfc1=; 10.Na3 Bd6 11.0-0 e5 12.Bf5 e4 13.Ne1 Qc7 14.Kh1 Ne5 15.Bc8+=) 10...Bd6 11.Nc3 Ne5 12.Ne5 Be5 13.Qa3 Bd6 14.0-0 e5 15.Qa4=; B4) 9...b6 10.0-0 Bb7 11.Be2 dc4 12.Qc4 Nbd7 13.Rd1 a6 14.d4 Bd5 15.Qc2=; C) 9.d4 Nbd7 10.Bd3 (10.a5 Qc7 11.cd5 ed5 12.Qc2 c4 13.Be2 Re8 14.0-0 Bb4 15.Bc3=; 10.Nbd2 Bd6 11.Bd3 cd4 12.ed4 b6 13.0-0 Bb7 14.Qd1 a6 15.Qe2=; 10.Be2 Qc7 11.Ba3 Bd6 12.0-0 Re8 13.Nc3 cd4 14.Bd6 Qd6 15.ed4=) 10...Qc7 11.0-0 cd4 12.ed4 dc4 13.Bc4 Nb6 14.Rc1 Qf4 15.Qe3=; D) 9.Be2 D1) 9...b6 10.0-0 (10.Nc3 a6 11.0-0 Bb7 12.ba6 Na6 13.cd5 ed5 14.d4 c4 15.Qc2=; 10.d3 a6 11.0-0 Bb7 12.Nbd2 Nbd7 13.Rfb1 ab5 14.ab5 Qc7 15.Qc2=; 10.Na3 Bb7 11.0-0 Nbd7 12.d3 Bd6 13.Qc2 Re8 14.Rfc1 Qe7 15.d4=) 10...a6 11.Nc3 dc4 12.Qc4 Bb7 13.d4 Bd5 14.Nd5 ed5 15.Qc2=; D2) 9...dc4 10.Qc4 (10.Bc4 b6 11.0-0 Bb7 12.Ne5 Bd6 13.f4 a6 14.a5 ab5 15.Qb5=) 10...Nbd7 11.0-0 b6 12.d4 Bb7 13.dc5 Bd5 14.Qf4 Nc5 15.Nc3=; D3) 9...Nbd7 10.Qc2 (10.a5 a6 11.b6 dc4 12.Qc4 Bd6 13.Nc3 e5 14.0-0 Qe7 15.d3+=; 10.0-0 a6 11.d3 b6 12.ba6 Ra6 13.Nc3 Bb7 14.Nb5 Qb8 15.Rfb1=; 10.d3 dc4 11.Qc4 Bd6 12.a5 Re8 13.0-0 Bc7 14.Bc3 Nd5 15.Nbd2+=) 10...dc4 11.0-0 Bd6 12.Na3 Nb6 13.a5 c3 14.dc3 Nbd7 15.Nc4+=; D4) 9...a6 10.0-0 (10.Na3 b6 11.0-0 Bb7 12.Rfb1 ab5 13.ab5 Nbd7 14.d4 cd4 15.Bd4=; 10.d4 cd4 11.Bd4 ab5 12.cb5 Qd6 13.0-0 Nbd7 14.Qb2 b6 15.Rc1=; 10.d3 b6 11.0-0 Bb7 12.Nbd2 Nbd7 13.Rfb1 ab5 14.ab5 Qc7 15.cd5=) 10...b6 11.Nc3 dc4 12.Qc4 Bb7 13.d4 Bd5 14.Nd5 ed5 15.Qc2=.

8.Qb3 Re8 A) 9.d4 A1) 9...a6 10.dc5 (10.Bd3 cd4 11.Bd4 dc4 12.Qc4 Bd6 13.Qc3 Nd5 14.Qc2 f5 15.0-0=) 10...Bc5 11.Bd3 dc4 12.Qc4 Bd6 13.Ng5 Qe7 14.Nh7 Nd5 15.Qg4+/–; A2) 9...cd4 10.Nd4 (10.Bd4 a6 11.cd5 Nd5 12.Nc3 Bb4 13.Bc4 Bc3 14.Bc3 Nc3 15.Qc3=) 10...a6 11.cd5 Nd5 12.Nc3 Nc3 13.Bc3 e5 14.Nf3 e4 15.Nd4=; B) 9.Nc3 Bc8 10.Bd3 (10.a5 a6 11.Ne5 ab5 12.Qb5 Nbd7 13.f4 Bd6 14.Nd7 Bd7 15.Qb6+=; 10.Be2 Qd6 11.0-0 d4 12.Nd1 e5 13.d3 a5 14.ba6 Ra6 15.Rb1+=) 10...Nbd7 11.a5 d4 12.Ne4 e5 13.Nf6 Bf6 14.Be4 a6 15.b6+=.

7.a4 Bd6 8.Bd3 0-0 9.Na3 ab5 10.Nb5 Bb5 11.ab5 Nbd7=.

7.a4 Bd6 8.Be2 0-0 9.0-0 Bc8 (9...ab5?! 10.ab5 Ra1 11.Ba1 dc4 12.Na3 Nd5 13.Bc4 Nb6=) 10.Qc2 (10.d4 ab5 11.ab5 Ra1 12.Ba1 dc4 13.dc5 Bc5 14.Qc2 b6+=) 10...Nbd7 (10...ab5 11.ab5 Ra1 12.Ba1 Nbd7=) 11.h3?! (11.Na3 b6 12.d4 Bb7 13.ba6 Ba6 14.Nb5 Bb5 15.ab5+=) 11...Re8 (11...ab5 12.cd5 Nd5 13.Bb5=) 12.Re1!? (12.Na3 b6 13.d4=) 12...ab5 13.ab5 (13.cd5 ed5 14.Bb5 Re7 15.Bd7 Rd7=) 13...Ra1 14.Ba1 e5 (14...Qc7 15.d4 cd4 16.Bd4 e5 17.Bb2 Nb6=+) 15.cd5 (15.d3 e4 16.de4 de4 17.Nh2 Qc7 18.Ng4 Ng4 19.Bg4=) 15...Nd5 (15...e4 16.Nh2 Nd5 17.d4 ed3 18.Qd3 N7f6=+) 16.Nc3 N7f6 (16...Nb4 17.Qb1 Nf6 18.Bc4 Be6=) 17.Ng5 Nc3 18.Bc3 h6 19.Ne4 (19.Nf3? e4 20.Nh2 Nd5 21.f4 Qh4–/+) 19...Ne4 20.Qe4 Qg5 (20...f5 21.Qd5 Kh7 22.Bh5 Re7 23.e4 g6=) 21.f4 Qg3 (21...Bf5 22.fg5 Be4 23.gh6 gh6 24.Bc4 Kg7+=) 22.Rf1 Qh4? (22...Bh3 23.f5 Rd8 24.Kh1+–) 23.Bd3 g6 24.Qd5?! (24.Bc4 Be6 25.Be6 Re6 26.Qb7 ef4 27.Qc8 Bf8 28.Rf4+–) 24...Bb8 (24...Qe7) 25.fe5 Be6 26.Qb7 Rf8? (26...Qg5 27.Qe4 Bh3 28.Qc6 Rc8 29.Qb7+–) 27.Rf6 Qg5 28.Kh2?? (28.Qe7 Qg3 (28...Bh3 29.Rg6!) 29.Rg6!+–) 28...Qh4 29.Bg6?? (29.Re6!!) 29…Qf6 0–1. Sternik,Ryszard – Pizzato,C, Toowoomba, 1992.

7.a4 Be7 8.Be2 0-0 9.d3 h6 (9...ab5 10.ab5 Ra1 11.Ba1=) 10.Nbd2 (10.0-0 b6=) 10...Bc8 (10...dc4 11.dc4 Qa5 12.Qc2+=) 11.Ne5 Nbd7 12.f4 (12.0-0 Ne5 13.Be5 Nd7=) 12...Ne5 (12...dc4 13.Ndc4 Nd5 14.0-0=) 13.Be5 (13.fe5 Nd7 14.0-0 Bg5=) 13...b6 (13...Nd7 14.Bc3=) 14.0-0 Bb7 (14...Nd7 15.Bc3=) 15.Bf3 ab5 (15...Nd7 16.Bb2=) 16.ab5+= Qd7 17.Qc2 Rfd8 18.Bb2 (18.Rfd1 Ra1 19.Ra1 dc4 20.dc4 Ng4 21.Bg4 Qd2 22.Qd2 Rd2+=) 18...dc4 19.Bb7? (better is 19.Ra8 Ba8 20.Ba8=+) 19...cd3–+ (19...Qb7?! 20.Nc4 Ra1 21.Ra1=) 20.Qc3 (20.Qc4 Ra1 21.Ba1 Qb7–+) 20...Qb7 21.Ra8 Qa8 (21...Ra8?! 22.Qd3 Rd8 23.Qc2–/+) 22.Ra1 Qb7 23.g4 (23.e4–+) 23...Bf8 24.h3 Ne4 25.Ne4 Qe4 26.Kf2 d2 27.Rd1 Rd3 28.Qe5 Qa4 29.Ke2 Qb5 30.Kf2 Qa4 31.Ke2 Qc4 32.Kf2 (32.Kf3–+) 32...f6 33.Qc7 (33.Qh5 Qe4 34.g5 Qe3 35.Kg2 Qg3 36.Kh1 Qe1 37.Kg2 Rg3 38.Kh2 Qf2 39.Kh1 Qg2) 33...Qb3 34.Ke2 Qb5 (35.Qc6 Qc6 (35...Qb2 36.Qe6 Kh8 37.Kd3+=) 36.Kd3 c4 37.Kd2 Qe4–+; 34...Re3 35.Kf2 Rf3 36.Kg2 Rg3 37.Kh2 Rh3 38.Kg1 Qd1 39.Kg2 Qf3 40.Kg1 d1Q#) 0–1. Rush,Bradley – Hodge,David Jonathan, IECG, 1996.

7.Qa4 Bd6 A) 8.Bd3 0-0 (8...dc4 9.Bc4 b6 10.0-0 0-0 11.d4 ab5 12.Qa8 bc4=) 9.Nc3 Ra7 (9...dc4 10.Bc4 e5 11.d3 Bg4 12.Ng5= Nbd7=) 10.cd5 Nd5 11.Rc1 Nb4 12.Be4 Qb6–/+; B) 8.Be2 0-0 (8...dc4 9.Nc3 0-0 10.0-0 e5 11.Qc4 Re8 12.Ng5 Qe7=) B1) 9.d4 dc4 10.Bc4 B11) 10...cd4 11.Bd4 Nd5 12.Nc3= (12.0-0 Nc7=+) 12...Nc7=+; B12) 10...Nd5 11.dc5 Bc5 12.0-0 Nb6=+; B2) 9.0-0 dc4 10.Nc3 e5 11.Qc4 Qe7 12.Qh4 Re8=.

7.Qa4 Be7 A) 8.Be2 dc4 (8...Qb6 9.Nc3 0-0 10.Ne5 d4 11.Nd1 Ra7 12.Qb3 ab5=) 9.Bc4 Nd5 10.Bd5 ed5 11.Nc3 Be6 12.d4 (12.ba6= Nc6=+) 12...c4=; B) 8.Bd3 dc4 9.Bc4 Nd5 10.Bd5 ed5 11.Nc3 Be6 12.ba6= Nc6=+; C) 8.Nc3 Ra7 (8...0-0 9.d4 cd4 10.Nd4 dc4 11.Bc4 Qb6 12.Rb1 Rc8=) 9.d4 cd4 10.Nd4 dc4 11.Rd1 Qb6 12.Qc4 e5=.

7.ba6 Na6 A) 8.Ne5 Be7 9.d4 0-0 10.cd5 Nd5 11.Nd7 Qd7 12.Nc3=+ (12.a4 Rfd8=+) 12...Rfd8=+; B) 8.cd5 ed5 (8...Nb4 9.de6 Ba4 10.ef7 Ke7 11.Qc1 Nc2 12.Ke2 Kf7=) B1) 9.Nc3 Bd6 10.Be2 (10.Nb5 Bb8 11.Be2 0-0 12.0-0 Re8=+) 10...0-0 11.0-0 B11) 11...Qa5 12.Nb1=+ (12.a4 Nb4=+) 12...Be7=+; B12) 11...Re8 12.Nb5 Bb8=+; B2) 9.Ne5 Be7 10.Be2 0-0 11.Nd7 Qd7 12.0-0 b5=.

7.Nc3 ab5 8.Nb5 (8.cb5 Bd6 9.Be2 e5 10.d4 ed4 11.ed4 c4 12.0-0=+ 0-0=+) 8...Bb5 9.cb5 c4 10.Be2 Ba3 11.Bd4 Qa5 12.Qb1= Bb4=.

7.Nc3 Be7 8.a4 (8.ba6 Na6 A) 9.d4 cd4 (9...Qa5 10.Ne5 Ne4 11.Rc1 Bh4 12.Qh5+/–; 9...dc4 10.Bc4 cd4 11.Qd4 0-0 12.Ne5=; 9...Qb6 10.Qb3 Qa5 11.Ne5 Bc6 12.Be2=; 9...0-0 10.cd5 ed5 11.dc5 Qa5 12.Ba6=; 9...Rc8 10.cd5 ed5 11.dc5 Qa5 12.Ne5=) 10.Nd4 Nc7 11.Qb3 0-0 12.Be2=; B) 9.cd5 ed5 10.Be2 0-0 11.0-0 Bf5 12.d3+=; C) 9.Ne5 0-0 10.Be2 d4 11.Nb5 Bb5 12.cb5=; D) 9.Qb3 Bc6 10.Ne5 0-0 11.cd5 ed5 12.Nc6=; 8.Be2 ab5 A) 9.cb5 Qb6 (9...Bd6 10.d4 c4 11.0-0 Qa5 12.a4=; 9...Qa5 10.0-0 Bd6 11.d4 c4 12.a4=; 9...0-0 10.0-0 Bd6 11.d4 c4 12.a4=) 10.0-0 0-0 11.Qc2 Rc8 12.Ne5=; B) 9.Nb5 Bb5 (9...0-0 10.0-0 dc4 11.Bc4 Nc6 12.Rb1=; 9...Qb6 10.Rb1 0-0 11.Be5 Qd8 12.Qc2=; 9...Bc6 10.cd5 ed5 11.0-0 0-0 12.Qc2=) 10.cb5 c4 11.0-0 Qa5 12.a4=) 8...ab5 (8...0-0 A) 9.Bd3 Bd6 (9...b6 10.0-0 ab5 11.ab5 Ra1 12.Qa1=; 9...ab5 10.ab5 Ra1 11.Qa1 Bc8 12.0-0=; 9...Qb6 10.0-0 dc4 11.Bc4 ab5 12.ab5+=; 9...Qa5 10.0-0 Rd8 11.Qc2 h6 12.e4=; 9...dc4 10.Bc4 ab5 11.ab5 Ra5 12.0-0+=; 9...Re8 10.0-0 ab5 11.ab5 Ra1 12.Qa1=; 9...Qc7 10.0-0 Qd6 11.Qc2 Rd8 12.cd5=) 10.0-0 ab5 11.Nb5 Be7 12.cd5=; B) 9.Be2 Bc8 (9...b6 10.0-0 ab5 11.ab5 Ra1 12.Qa1+=; 9...Qa5 10.0-0 Rd8 11.Qc2 Bd6 12.Ng5=; 9...dc4 10.Bc4 ab5 11.ab5 Ra1 12.Qa1=; 9...ab5 10.ab5 Ra1 11.Qa1 Bc8 12.Qa7=; 9...Qb6 10.0-0 ab5 11.ab5 Ra1 12.Qa1=; 9...Bd6 10.d4 dc4 11.0-0 Qc7 12.Bc4=) 10.d4 dc4 11.dc5 Qc7 12.Bc4=) 9.ab5 White gets in control. 9...Ra1 10.Qa1 0-0 11.Qa7 Bd6 (11...Qc7 12.Na4 Bd6 13.Bf6 gf6 14.Nc3 dc4 15.Bc4+=; 11...Qc8 12.Na4+=) 12.Na4 (12.Qb7+=) 12...Qc7 13.Nb6 Ne4 (13...dc4!? 14.Bf6 gf6 15.Bc4 Bc6+=) 14.cd5+/– c4 (14...Rd8 15.d3 Nf6 16.de6 Be6 17.Bf6 gf6 18.Nc4+/–) 15.Nc4+– Bb4 (15...Bc5 16.b6 Qc8 17.de6 Be6+–) 16.Be5 Bd2?? (16...Qc8 17.Qd4 Nf6 18.de6 fe6+–) 17.Nfd2 Qc8 (17...Qd8 18.de6 Nd2 19.ef7 Kf7 20.Nd2+–) 18.Ne4 ed5 19.Ned6 Qc7 (19...Qd8 20.Nb6 Qc7 21.Ndc4+– (21.Nd5?! Qc1 22.Ke2 Qc2 23.Kf3 Qd1 24.Be2 Qd5 25.Ne4 Qe5+=)) 20.Nf7! Qd8 (20...Rf7 21.Bc7) 21.Nd8 (21.Nd8 Rd8 22.Na5+–) 1–0. pierre – shigeta, internet, 2008.

9.Ba1 Qa5 10.Bc3 Qb6 11.Na3 Bd6 12.Ne5 (better 12.Qa1 Qd8 13.Bd3+=) 12...d4=+ 13.Nd7 Nbd7 14.Bb2 e5 (14...0-0 15.Be2=+) 15.ed4 (15.Nc2 0-0=+) 15...cd4–/+ 16.Nc2 (16.Be2!?–/+) 16...0-0 17.g3 (17.Qa1 Nc5–+) 17...Rc8 (17...Nc5 18.Qa1–+) 18.d3 (18.Qa1!? Nc5–+) 18...Qa5 19.Ke2 (better 19.Qd2 Qa2 20.Bc1–+) 19...Qd8?? (better 19...Qa2 20.Ba1 e4 21.Bd4 Be5–+) 20.Bh3 Qe7 (20...Ra8!? 21.Re1 Ra2–/+) 21.Re1= Re8 22.Kf1 Qd8 23.Qf3 (23.Bg2 Nc5=) 23...Nc5 24.Bf5 (24.Kg1!?=+) 24...g6–/+ 25.Be4? (better 25.Bh3 e4 26.de4 Nfe4 27.Re4 Ne4 28.Qd3–+) 25...Nfe4–+ (25...Nce4?! 26.de4 Nd7 27.Rc1–/+) 26.de4 Qe7?? (better 26...Qa5 27.Nd4 Qa2–+) 27.Nb4=+ Ne4 (27...Nb3! 28.Qb3 Bb4=+) 28.Re4= Bb4 29.Bd4 Bd6 (29...f6 30.Qb3 Kg7 31.f4=) 30.c5 Bb8 (30...Bc7 31.Qb3=) 31.Be3 f5 32.Rc4 White prepares the advance c6 (32.Ra4 e4 33.Qd1 Rf8+=) 32...Qe6 33.Rc1 e4 (33...f4 34.gf4 ef4 35.Bd2= (35.Bf4? Qf7–+)) 34.Qd1+= Be5 (34...Rc8!?+=) 35.c6+– bc6 36.Rc6 Qf7 (36...Qe7 37.b6 Rd8 38.Qc1+–) 37.b6+– Rb8 38.Qc2 Qd7 (38...Rf8 39.Rc8 Qe6 40.Rf8 Kf8 41.Kg2+–) 39.Qc4+– Kg7 40.Qc1 (better 40.Kg2 Qd1 41.Rc7 Bc7 42.Qc7 Kf6 43.h4+– (43.Qb8?! Qf3 44.Kh3 Qg4 45.Kg2 Qf3 46.Kg1 Qd1 47.Kg2 Qf3=)) 40...Rd8+= 41.Kg2 Kh8 (41...f4 42.Bf4 Bf4 43.Qc3 Kh6 44.gf4 e3–/+) 42.Bg5+– Rb8? (42...Re8 43.Bf4 Bf4 44.gf4+–) 43.Qc4 (43.Bf4 Bf4 44.gf4 Qd3+–) 43...Qd3 (43...Qd1 44.h4 Qf3 45.Kg1+–) 44.Rc8 Rc8 45.Qc8 Kg7 46.Qd8?? (better 46.Be3 Qd1 47.h3+–) 46...Bd4+= 47.Qe7 ½–½. yodamo – southbrum, ChessWorld.net, 2008. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.b5 Bd7 5.e3 c5 6.c4 a6 7.a4 ab5 8.ab5 Ra1)

9.Ba1 Qa5 10.Be5 Qa7 11.Nc3 dc4 12.Bc4 Ng4 (12...Be7 13.Ng5+=) 13.Bg3 (13.b6 Qa8+=) 13...Be7+= 14.0-0 0-0 15.Qa1 (15.Qc2 Nf6+=) 15...Qb6 16.Rb1 Bd6?? (better 16...Rd8+=) 17.Na4+– Qc7 18.b6 Qc6 19.Bb5 Qd5 (19...Qb5 20.Rb5 Bg3 21.Rc5 (21.hg3?! Bb5 22.Nc5 Nd7+–; 21.fg3?! Bb5 22.Nc5 Nd7+–) 21...Bf2 22.Kf1+–) 20.Nc3 (20.Nc3 Bg3 21.Nd5 (21.fg3?! Qd6=; 21.hg3?! Qd6=) 21...Bf2 22.Kf1 ed5 23.Bd7 Nd7 24.Qa7+–) 1–0. DEFFM – fusselzoio, freechess.org, 2018.

9.Ba1 b6 10.Be2 (10.d4 cd4 11.Bd4 Bb4 12.Nbd2 dc4 13.Bc4 Ne4+=) 10...Qc7 (10...Be7 11.d3+=) 11.0-0 (11.Bf6 gf6 12.cd5 ed5+–) 11...Be7 12.Qc2 (12.Be5 Qb7+=) 12...0-0 (12...dc4 13.Bc4 Bc8 14.Be5+=) 13.Be5 Qc8 (13...Qd8 14.Ng5 g6 15.d3+=) 14.Nc3 (14.Ng5 g6+–) 14...dc4 15.Bc4 Qb7 (15...Ng4 16.Bf4+=) 16.Bd3 (16.Ng5 g6 17.Nge4+–) 16...Nd5 (better 16...h6!?+=) 17.Bh7+– Kh8 18.Be4 f5 19.Bd5 ed5 20.Qd3 (20.Ra1 Be6+–) 20...Be6+– 21.Ne2 Nd7 (better 21...Qd7!?+–) 22.Nf4+– Bf7 23.Qf5 Ne5 (23...Bf6 24.Bf6 Nf6 25.Ne5+–) 24.Ne5 (24.Qe5?! Qd7 25.Ng5 Bg5 26.Qg5 Kg8+–) 24...Bf6 (24...Kg8 25.Ne6 Qc8 26.Nf7 Rf7 27.Qd5+–) 25.Nfg6 Kg8 (25...Bg6 26.Ng6 Kg8 27.Nf8 Kf8 28.d4+–) 26.Nf8 Kf8 27.Qd7 (27.Qd7 Qd7 28.Nd7 Ke7 29.Nf6 gf6 30.Ra1+–) 1–0. Janek – Stedgtl, internet, 2017.

9.Ba1 Qb6 10.Qc2 Be7 11.Be5 0-0 12.Bd3 dc4 13.Bc4 Qa5 14.Nc3 Qa1.

9.Ba1 dc4 10.Bc4 Bd6 11.Be5 Be5 12.Ne5 Bc8 13.Nc3 Nbd7 14.Nd7 Qd7.

9.Ba1 Bc8 10.Bf6 gf6 11.cd5 ed5 12.Nc3 Be6 13.Qc2 Nd7 14.Be2 Bd6.

9.Ba1 Bd6 10.Qb3 0-0 11.Bf6 Qf6 12.cd5 ed5 13.Qd5 Qf5 14.Nc3 Qd5.

9.Ba1 Ne4 10.Nc3 Nc3 11.Bc3 (11.dc3?! Qa5 12.Nd2 Be7 13.cd5 ed5+=) 11...f6 12.Bd3 Bd6 13.Qb3 d4 14.ed4 cd4 15.Bd4 0-0 16.c5 Be5 17.Be3 Qa5 (17...Be8 18.Ne5 fe5 19.0-0+–) 18.0-0 Bc7 19.Nd4 Re8 20.Bc4 Kh8 21.Ne6 Be6 22.Be6 Be5 (22...Re7+–) 23.d4 Bc7 24.b6 Bd8 25.Qd5 Qb5 (25...Bb6 26.cb6 Qb6+–) 26.Bf7 Qc6 (26...Bb6 27.Qb7 Rf8+–) 27.Qc6 Nc6 28.Be8 Ne7 29.Ra1 Kg8 30.Ra8 Kf8 31.Rd8 (31.Rd8 g5 32.Bc6 Kg7 33.Bb7 Ng8 34.Bd5 Ne7 35.b7 Nc6 36.Bc6 Kf7 37.b8Q Kg7 38.Rg8 Kh6 39.Qg3 Kh5 40.Qh3) 1–0. Fritz11 – jumbo, casual, 2013.

9.Ba1 Be7 10.d3 0-0 11.Be2 Qa5 (11...Qc7 12.Nbd2 Rd8 13.Qb3 Be8 14.b6 Qc6) 12.Nbd2 dc4 (12...Bc8 13.0-0 Nbd7 14.Qc2 Qc7) 13.dc4 Ne4 14.0-0 Nc3 15.Bc3 Qc3 16.Ne4 (16.Qa1 Qa1 17.Ra1 Bc8+=) 16...Qa5 17.Qa1 Qb6 18.Rd1 f5 19.Ng3 Bf6 20.Qa3 Be8 21.Nd2 g6 22.Nb3 Nd7 23.Bf3 Ne5 (23...Be7!?+=) 24.Qc5+/– Qc5 25.Nc5 Nf3 26.gf3 Rf7 27.Ne6 Re7 28.Nf4 Bg5 (28...Rd7 29.Nd5 Kf8 30.e4+– (30.Nf6 Rd1 31.Kg2 Bf7+=)) 29.Nd5 Rd7 30.f4 Bd8 (30...Be7 31.f3+–) 31.Ne2 (31.e4 Kf8+–) 31...Kf8 32.Nd4 Bf7 33.f3 Bd5 34.cd5 Ke7 35.e4 Bb6 36.Kf1 Rc7 37.Nf5! Kf6 (37...gf5 38.d6 Double attack (38.d6 Passed pawn)) 38.Nd6 Rc2 39.e5 Ke7 40.f5 (40.h3 Rf2 41.Ke1 Kd7+–) 40...Bc7 41.f6 Kd7 (41...Kf8 42.Re1 Bd6 43.ed6 Rc8+–) 42.e6 Kd6 43.e7 Bb6 44.e8Q Rf2 45.Ke1 Rf3 46.Qe7 1–0. Toll,A (2070) – Vinoya,Mario, Kaunas LTU, 2011.

9.Ba1 Be7 10.Bd3 0-0 11.0-0 Bd6 12.Qc2 h6 13.Bf6 Qf6 14.Nc3 dc4 15.Ne4 Qe7 16.Nd6 Qd6 17.Bc4 b6 18.Ra1 Qc7 19.d4 cd4 20.Nd4 Rc8 21.Rc1 Qe5 The isolani on b5 becomes a target 22.Qb3 Rc5 23.f4 Qf6 24.Qd3 e5 25.fe5 Qe5 26.Rf1 Be8 27.Nb3 Rc8 28.Nd4 Nd7?? (better 28...Rc5=) 29.Nc6+– Qg5?? (better 29...Qc5 30.Rf5 Rc6 31.Bf7 Bf7 32.Rc5 Rc5 33.Qd7 Bc4+–) 30.Rf5 Nc5 31.Qd4 (31.Qd4 Nb3 32.Bb3 Rc6 33.Rg5 Rc1 34.Kf2 hg5 35.Qb6+–; worse 31.Rg5 Nd3 32.Ne7 Kf8 33.Nc8 Nb2+–) 1–0. onur604 (2275) – Matan2711 (1995), lichess.org, 2020.

9.Ba1 Be7 10.Be2 0-0 11.0-0 dc4 12.Bc4 Qb6 (12...Ne4 13.Qc2 Nd6 14.Bd3 Bb5 15.Bh7 Kh8 16.Rc1=) 13.Qb3 Rd8 14.Nc3 Be8 15.Rb1 Nbd7 16.Na4 Qc7 17.d4 cd4 18.Nd4 (18.Bd4 Bd6=) 18...Nc5 (better 18...Ng4 19.g3 Ndf6=) 19.Qa2?? (19.Nc5 Qc5 20.Be6 fe6 21.Ne6 Qd5 22.Nd8 Qb3 23.Rb3 Bd8+=) 19...Na4?? (better 19...Ra8 20.Bb3 Na4 21.Ba4 Qa5 22.Ne6 Qa4 (22...fe6?! 23.Qe6 Bf7 24.Qe7 Qa4 25.Bf6 gf6 26.Qb7=) 23.Qa4 Ra4-+) 20.Qa4= Ne4?? (20...Ng4 21.Nf3=) 21.f3?? (better 21.Ne6 fe6 22.Be6 Kh8 23.Qe4 Bb5 24.Qg4+-) 21...Nd2=+ 22.Rc1 Nc4 23.Rc4 Qb6 (23...Qe5 24.e4-/+) 24.Qc2 (better 24.Bc3!? Qd6 25.Bb4=) 24...Bf6 25.Rc8 (better 25.f4-/+) 25...Kf8 (better 25...Qa5 26.Qc3 Qc3 27.Rc3 Rd4 28.ed4 Bd4 29.Kf1 Bb5 30.Ke1 Bc3 31.Bc3 Bc6-+) 26.Rd8= Qd8 27.Bc3 (better 27.Qh7 Qa5 28.Qb1=+) 27...Be7?? (27...Kg8 28.f4=+) 28.Qb3 (better 28.Qh7 Bc5 29.Ne6 Ke7 30.Nd8 Kd8 31.Qg7+-) 28...g6 (28...e5 29.Nf5 Qd3 30.Ne7 Qe3 31.Kf1 Qb6=) 29.g4?? (29.f4 Qd5 30.Qd5 ed5=) 29...Bf6?? (better 29...e5 30.Ne2 Qd3-+) 30.f4= e5 (30...Kg8 31.g5 Bg7 32.Bb2=) 31.Nf3 (better 31.fe5!? Bg7 32.h3=) 31...ef4=+ 32.Bf6 Qf6 33.Qb4 Kg7 (33...Qe7 34.Qf4 Bb5 35.g5=+) 34.ef4= Qa1 (34...Qe6!? 35.g5 Qe3 36.Kg2 Qe2 37.Kg3 Qb5 38.Qc3 Kg8=) 35.Kg2 Qa2 36.Kg3 Qe2 37.Qd4 (37.Qc3 Kg8=) 37...Kg8= 38.b6 Bc6 39.Qf2 (39.Qd8 Kg7 40.Qd4 f6=) 39...Qb5 (better 39...Qd3!?=+) 40.Ne5 Qb3 41.Nf3 (better 41.Kh4+=) 41...Bf3-/+ 42.Qf3 Qb6 43.h4 Qc6 44.Qd3 b5 45.h5 b4?? (better 45...gh5 46.gh5 Kg7 47.Qd4 f6 48.Qa7 Kh6-/+) 46.Kh4 (46.Qd8 Qe8 47.Qe8 Kg7 48.h6 Kh6 49.Qf8) 46...Qf6-+ 47.Kg3 Qc3 48.Qc3 bc3 49.hg6 hg6 50.Kf3 c2 51.Ke4 c1Q 52.g5 Qc6 53.Ke5 Qd7 (53...Qf3 54.Kd4-+) 54.Ke4 Qf5 55.Ke3 f6 (55...Qc5 56.Ke2-+) 56.gf6 Qf6 (56...Kf7 57.Kf3 g5 58.Ke3 Qf4 59.Kd3 g4 60.Kc2 g3 61.Kb3 g2 62.Kb2 Qc4 63.Ka3 g1Q 64.Kb2 Qgc1) 57.Ke4 Qf5 58.Ke3 Kf7 59.Kf3 Ke6 (59...g5 60.Ke3 Qf4 61.Kd3 g4 62.Kc3 g3 63.Kb2 g2 64.Kc2 g1Q 65.Kb2 Qgc1 66.Kb3 Qfc4) 60.Ke3 Kd5 61.Kf3 Kd4 (61...Qh3 62.Ke2 Ke4 63.Kd2 Qd3 64.Kc1 Qb3 65.Kd2 Qb2 66.Ke1 Ke3 67.f5 Qe2) 62.Kg3 Ke3 63.Kg2 (63.Kh4 Qf4 64.Kh3 Qg5 65.Kh2 Kf3 66.Kh3 Qg3) 63...Qf4 (63...Qg4 64.Kh2 Kf3 65.f5 Qg2) 64.Kg1 Qf3 (64...Qg5 65.Kh2 Kf3 66.Kh3 Qg3) 65.Kh2 Qg4 66.Kh1 Kf2 67.Kh2 Qh4 (67...Qh5) 0-1. zembelek (2040) - pmsryu (2010), Rated Blitz game, lichess.org, 2014.

9.Ba1 Be7 10.Be5 0-0 11.Nc3 Be8 12.cd5 ed5 13.Be2 Nbd7 14.Bg3 Nb6.

8.Na3 Nd5 9.Qc4 ab5 10.Nb5 Ra5 =.

8.Bc4 Qb6 9.Na3= Be7 10.0-0 0-0 11.Bd3 (11.Ne5 Bb5 12.Nb5 ab5 13.Qb5 Qb5 14.Bb5 Rd8=) 11...Nd5 (11...Ra7 12.Rfb1=) 12.Qg4 (12.Ne5 Rd8=) 12...Bf6 (12...g6 13.Ne5 Bf6 14.Qa4=) 13.Qe4+= Threatening mate: Qxh7 13...g6 14.Bf6 Nf6 15.Nc4 (15.Qh4 Qd6 16.Be2 ab5 17.Nb5 Qe7+=) 15...Qd8 (15...Qb5!? 16.Qh4 Kg7=) 16.Qb7+= Nc6?? (better is 16...Bb5 17.Qa8 Qd3+=) 17.bc6+– Rb8 (17...Bc6 18.Qc6 Qd3 19.Nfe5+– (19.Qc5?! Rac8 20.Qe5 Ng4+–)) 18.Qa6 Bc8 (18...Ra8 19.Qb6 Bc6+–) 19.Qa7 (19.Qa7 Rb5 20.a4+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Bc4 Nd5 9.Qb3 =.

8.Na3 Nd5 9.Qc4 ab5 10.Nb5 Ra5 (10...f6 11.Be2 Ra5 12.a4= Be7=) 11.Qb3 Nb4 12.a4 Bc6=.

8.Bc4 Nd5 9.Bd3 Nc7 10.Qc2 Bb5 11.Bh7 Nd5 12.a3=+ Nf6=+.

8.Bc4 Nd5 9.Be2 Nb6 10.Qf4 ab5 11.Ng5 f6 12.Bh5 Ke7 13.Nf7 Qc8 14.Bf6 1–0. marus2 – sulfs, internet, 2001.

7.Qb3 a6 8.Nc3 ab5 9.Nb5 Bc6 10.Be5 Na6 11.d3 Be7 12.Be2=.

7.Nc3 a6 8.a4 ab5 9.ab5 Ra5 (9...Ra1 10.Ba1 Bc8 11.d4=) 10.Na4 (10.Ra5 ba5 11.Be2 Bd6+=) 10...Be7 11.Bd3 (11.d4 0-0=) 11...Bd6 (11...dc4 12.Bc4 Bb5 13.Ne5–/+) 12.Ng5 (12.Bc3 Ra7+=) 12...e5 (12...dc4 13.Bc4 Bb5 14.Bb5 Rb5 15.Bf6 Qf6 16.Nc3=+) 13.cd5 (13.Bc3 Ra7 14.cd5 0-0+=) 13...Nd5 (13...Bb5!? 14.Bb5 Rb5=+) 14.Qh5= Threatening mate... how? 14...g6 15.Qh4 (15.Qf3!? Qg5 16.Qd5+=) 15...h6 (15...Be7 16.Qg3 Nb4–+) 16.Nf3? (16.Qe4 Qg5 17.Qd5+=) 16...Qc7?? (better 16...Qh4 17.Nh4 Bb5 18.Bb5 Rb5–+) 17.Bc4+= Nb4 18.Qf6 e5 seems the pivot of the position (18.0-0 Bb5 19.Bb5 Rb5 20.Nc3+–) 18...0-0?? (18...Rf8 19.0-0 e4+–) 19.Ne5+– Be6 (19...Nc2 20.Ke2 Nd4 21.Bd4+–) 20.Be6 (20.Nf7 Nc2 21.Kd1 Ne3 22.Kc1 Be5 23.Qg6 Bg7 24.Qg7) 20...fe6+– 21.Qe6 Kh8 22.Ng6 (22.0-0 c4+–) 22...Kh7 23.Nf8 Bf8 24.Qf5 (24.Qe4 Kg8 25.Qg6 Bg7+–) 24...Kg8 25.Qg6 Bg7 26.Nb6 (26.0-0 Nd5 27.Nc5 Qf7 28.Qf7 Kf7 29.Ra5 ba5 30.Bg7 Kg7+–) 26...Nc2 27.Ke2 (27.Qc2!? Ra1 28.Ba1 Ba1+–) 27...Na1 28.Ra1 Rb5 (28...Ra1 29.Ba1 Qb7 30.Be5+–) 29.Bg7 (better 29.Qe8 Kh7 30.Qb5 Bb2 31.Qb2 Nc6+–) 29...Qg7 30.Qe6 Kh8 (30...Kh7 31.Nd5 Qa1 32.Qf7 Kh8+–) 31.Ra8 Qf8 32.Qe5 Kh7 33.Rb8 (33.Ra7 Nd7 34.Rd7 Kg8 35.Qg3 Kh8 36.Qg6 Qf2 37.Kf2 Rb6 38.Qe8) 33...Qf7 34.Qe4 (34.Rh8 Kg6 35.Qg3 Kh5 36.Qh3 Kg6 37.Qg4 Kf6 38.Rh6 Ke7 39.Qd7 Kf8 40.Qd8 Qe8 41.Qf6 Kg8 42.Rh8) 34...Kg7+– 35.Rb7 Qb7 36.Qb7 Kf6 1–0. yodamo – Kamikaze54, ChessWorld.net, 2007. (=1.Nf3 d5 2.b4 e6 3.b5 Nf6 4.e3 Bd7 5.Bb2 c5)

7.Nc3 a6 8.ba6 Bd6 9.d4 cd4 10.Nd4 Na6 11.cd5 ed5 12.Bb5=.

7.Nc3 a6 8.Qb3 ab5 9.Nb5 Bc6 10.Be5 Na6 11.d3 Be7 12.Be2=.

7.d4 a6 8.dc5 Bc5 9.cd5 ed5 10.Nc3 Bb4 11.Bd3 Bb5 12.Bb5=.

7.Be5 Bc8 (7...a6 8.ba6 (8.Nc3 ab5 9.cd5 Nd5 10.Nb5 Nc6 11.Bc4 Ra5 12.Bb2=) 8...Na6 9.Nc3 Bc6 10.d4 dc4 11.Bc4 cd4 12.Bd4=; 7...Be7 8.Nc3 (8.d4 a6 9.dc5 bc5 10.ba6 Na6 11.Be2 0-0 12.Nc3=) 8...a6 9.ba6 0-0 10.d4 Bc6 11.Bb8 Qb8 12.Ne5=) 8.cd5 (8.Nc3 Nbd7 9.Bf4 a6 10.Be2 Be7 11.0-0 dc4 12.Bc4=; 8.d4 Nbd7 9.cd5 ed5 10.Nc3 c4 11.Qa4 a5 12.a3=; 8.Be2 Nbd7 9.Bf4 Be7 10.d4 Bb7 11.dc5 bc5 12.Nbd2=) 8...ed5 9.Nc3 (9.Be2 Nbd7 10.Bf4 Be7 11.Nc3 Bb7 12.d4=) 9...Bb7 (9...Nbd7 10.d4 c4 11.Qa4 Be7 12.Be2=) 10.Bd3 (10.Be2 Nbd7 11.d4 Ne5 12.de5=) 10...Nbd7 11.Bf4 c4 (11...Be7 12.Bf5=) 12.Be2 (12.Bf5=) 12...Nc5 13.Nd4 Bd6 (13...Ne6 14.Ne6 fe6 15.0-0=) 14.Bd6+= Qd6 15.0-0 (15.Nf5 Qf8+=) 15...0-0 16.Qc2 Rfe8 17.g3 (better 17.Nf5 Qd7 18.Rfc1=+) 17...Re7?? (better 17...Ne6=) 18.Nf5+– Qe6 19.Ne7 Qe7 20.d3 cd3 21.Bd3 Rc8 22.Rac1 Ne6 (22...Nfe4 23.Ne2+–) 23.Rfd1 Ng5? (better 23...Qa3+–) 24.Nd5! Nd5 (24...Bd5 25.Qc8; 24...Nd5 25.Qc8) 25.Qc8 Bc8 26.Rc8 Qf8 27.Bh7! (worse 27.Rf8 Kf8 28.Bc4 Nc3 29.Rd8 Ke7+–) 27...Nh7 (27...Nh7 28.Rf8 (28.Rd5); 27...Kh7 28.Rd5 (28.Rf8)) 28.Rf8 Kf8 29.Rd5 Ke7 30.Rd4 Ng5 31.Ra4 Kd6 32.Ra7 Kc5 (32...Nf3 33.Kg2 Ne5 34.a4+–) 33.f4 Nf3 34.Kg2 Ne1 35.Kf2 Nd3 36.Ke2 Nb4 37.a3 Nd5 38.Rf7 g6 (38...Nc3 39.Kd3 Nb5 40.a4+–) 39.Kd3 Kb5 40.e4 Kc5 41.ed5 Kd5 42.Rf6 b5 43.Rg6 (43.Rg6 b4 44.Rg5 Kd6 45.Rd5 Kc6 46.Rd6 Kd6 47.ab4+–) 1–0. pierre – badme, internet, 2008.

7.Bf6 Qf6 8.Nc3 dc4 9.Bc4 a6= 10.Rb1 ab5 11.Nb5 Na6 12.d4=.

8.Qc2 0-0 9.Bd3=.

8.Qc2 Be5 9.Be5 0-0 10.Bd3 (10.d4=) 10...Be8 (10...a6 11.Bf6 Qf6-/+) 11.0-0 (better 11.cd5 ed5 12.Nc3+/-) 11...Ne4? (better 11...a6 12.Bf6 Qf6= (worse 12...gf6 13.Bh7 Kg7 14.Bd3+/-)) 12.Be4+- de4 13.Qe4 Nc6? (13...Nd7 14.Bd6 f5 15.Qe6 Bf7 16.Qf5 Re8+-) 14.bc6 Bc6 (14...f6 15.c7 Qc8+-) 15.Qc6 Qd2 (15...Qd3 16.Rc1 Rac8+-) 16.Nd2 Rad8 17.Nf3 Rc8 1-0. GuestDGPD – GuestMXGM, freechess.org, 2020.

8.Bd3 a6 9.ba6 Na6 10.Nd7 Qd7 11.Bf6 Nb4 12.Qe2=.

8.d4 0-0 9.Nc3 Bc8 10.Be2 Qc7 11.f4 Bb7 12.cd5=.

8.Nd7 Kd7 9.Qf3 Re8 10.cd5+/-.

8.Nd7 Qd7 9.Bf6 gf6 10.cd5+/-.

8.Nd7 Nbd7 9.Be2 0-0 10.f4 Re8 11.0-0 e5 12.cd5 (12.fe5 Be5 13.d4 Bd6 14.dc5 Bc5 15.cd5 Be3 16.Kh1 Ne4-/+) 12...Nd5 (12...ef4 13.ef4 Qc7 14.g3=) 13.fe5 (13.Qb3 N5f6=) 13...Be5 14.d4?? (better 14.Qb3 Bb2 15.Qb2=) 14...Ne3-+ 15.Qd3 (15.Qb3 Bf6 16.Bc4-+) 15...Bh2! (15...Nf1?! 16.de5 Nh2 17.Qg3-/+) 16.Kh2 Qh4 17.Kg1 Nf1 18.Bf1 Rad8 19.d5 (better 19.Qc3!? Qg5 20.Qd2-/+) 19...Ne5-+ 20.Be5 Re5 21.Qh3?? (better 21.Nc3 c4 22.Qc4 Qc4 23.Bc4-+) 21...Qd4 22.Kh1 (22.Kh2 Qa1 23.Bd3 g6-+) 22...Qa1 23.Bd3 (23.Kh2 g6 24.Qc3 Rh5 25.Kg1 Qb1-+) 23...h6 24.Kh2 Red5 (24...Qd4 25.Bf1-+) 25.Bc4 (25.Bc2 Qe5 26.Qg3 Qd4-+) 25...Qe5 26.g3 (26.Qg3 Qg3 27.Kg3-+) 26...Rd2! 27.Nd2 Rd2 28.Kg1 Qa1 (28...Qd4 29.Kh1 Qc4 30.Qc8 Kh7 31.Qf5 g6 32.Qf7 Qf7 33.Kg1 Qf2 34.Kh1 Qe1) 29.Qf1 (29.Bf1 Qd4 30.Kh1 Qe4 31.Kg1-+) 29...Rd1 30.Bf7 Kh8 31.Bc4 Rf1 32.Bf1 Qa2 33.g4 c4 34.Bg2 c3 35.Kh2 c2 36.Kh3 (36.Kg3 c1Q 37.Kh2 Qf4 38.Kh3 g5 39.Be4 Qah2) 36...c1Q 37.Kh2 (37.Bf3 Qf2 38.Bg2 Qce3 39.Bf3 Qef3) 37...Qcc2 (37...Qf4 38.Kh3 g5 39.Be4 Qah2) 38.Kh3 (38.Kg3 Qg2 39.Kf4 Qc4 40.Ke5 Qgd5) 38...Qg2 39.Kh4 Qad5 (39...Qh2) 40.g5 Qdg5 0-1. AhmedSultanov (1725) - Ellotoabsolut (1695), lichess.org, 2019.

8.Be2 a6 9.Nd7 Nfd7 10.cd5 ed5 11.Bf3 Qg5 12.h4+=.

8.Qf3 0-0 9.Na3 a6 10.Nd7 Nbd7 11.ba6 Ne5 12.Qh3=.

8.f4 a6 9.Nd7 Nbd7 10.ba6 0-0 11.Nc3 e5 12.fe5=.

8.Ng4 Be7 9.Bf6 gf6 10.Nh6 Bf8 11.Qh5 Bh6 12.Qh6+=.

7.a4 a6 8.Nc3 +/–.

7.a4 Be7 8.a5 White launches an attack 8...Qc7 9.Be5 Qd8 10.Nc3 0-0 11.Be2 Ng4 (11...dc4!? 12.Bc4 Ng4=) 12.cd5+= Ne5 13.Ne5 ed5 14.Nd5 Be6 (14...Bb5!? 15.Qb3 Bc6 16.Nc6 Nc6=) 15.Ne7+– Qe7 16.0-0 Qg5 (16...Rd8 17.Qc2+–) 17.Nf3 Qg6 18.Kh1 Nd7 19.d4 c4? (19...Rfd8 20.d5 Bg4 21.Rc1+–) 20.Rc1 (better 20.d5 Bg4 21.Nh4+–) 20...Rac8? (better 20...Qf5 21.Qa4 a6 22.Bc4 Bc4 23.Qc4 ab5+–) 21.d5 Bf5 (21...Bg4 22.Nh4 Be2 23.Ng6 (23.Qe2?! Qe4=) 23...Bd1 24.Ne7 Kh8 25.Nc8+– (25.Rfd1?! Rc5+–; 25.Rcd1?! Rc5+–)) 22.Nh4 (22.Bc4?! Be4 23.Qd4 Nc5+–; 22.Rc4?! Rc4 23.Bc4 Be4+–) 22...Qg5 23.Nf5 Qf5 24.Bg4 (24.Rc4?! Rc4 25.Bc4 Ne5+–; 24.Bc4?! Ne5 25.Qd4 Rfd8+–) 24...Qd3 (24...Qe5 25.Bd7 Rc5 26.Qc2+–) 25.Bd7 Rc7 (25...Qd1 26.Rfd1 Rc5+–) 1–0. Meyer,Claus Dieter – Seedorff,Torsten, Bargteheide op, 1988.

7.a4 Be7 8.a5 Qd6?? 9.Be5+– 1–0. Hoehnemann,HJ – Tobies,R, Bad Bevensen, 1998.

7.a4 Be7 8.a5 Qd8 =.

7.a4 Be7 8.Bd3!? +/–.

7.Qb3 a6 8.Bf6 gf6 9.cd5 ab5 +=.

7.Nc3 Bd6 8.Bc4 0-0 9.0-0 b6 (9...e5 10.d3=) 10.Qc2 Qc7? (better 10...a6=) 11.Ne4+– Ne4 12.Qe4 f5 13.Qa8 Nc6?! (13...Na6 14.Qf8! Kf8 15.ba6 b5+–) 14.Be6! (14.bc6?! Ra8 15.cd7 Qd7+–) 14...Be6 (14...Kh8 15.bc6 Ra8 16.cd7+–) 15.Qc6 Qe7 (15...Qc6 16.bc6 Rc8 17.Ne5+–) 16.Ne5 Rc8 17.Qf3 Rf8 (17...Be5 18.Be5 Bc4 19.Bc3+–) 18.d3 Bc8 (18...Qc7 19.Qg3+–) 19.Nc6 Qf7 20.Be5 Be5 21.Ne5 Qf6 (21...Qe8 22.Nc6 Bb7 23.d4+–) 22.d4 cd4 23.ed4 g5 (23...Be6 24.Rfe1+–) 24.Rac1 Be6 25.Rc7 Rd8 (25...g4 26.Qf4+–) 26.Qh5 h6 27.Nc6 Rf8 28.Ne7 Kh8 29.Ng6 (29.Ng6 Kg8 30.Qh6+–) 1–0. Adlai – Spesjhp, internet, 2019.

7.Bc4 Qa5 8.a4 Be7 9.0-0 0-0 10.Qc2 Nd5 (10...Rd8 11.Rd1+=) 11.Qe4+/- Nb4?? (better 11...Qd8+/-) 12.Qb7+- N8c6 13.bc6 (13.Qd7?! Rfd8 14.bc6 Rd7 15.cd7 Rd8+-) 13...Bc6 (13...Bf6 14.Bf6 Bc6+-) 14.Qe7 Bf3 15.gf3 Nc2 (15...Qb6 16.Bg7! Kg7 17.Qg5 Kh8 18.Qf6 Kg8+-) 16.Bg7! Ne3 (16...Kg7 17.Qg5 Combination) 17.Qg5 Rfc8 (17...f6 18.Bf6 Kf7 19.Qg7 Ke8 20.Qe7) 18.Bh6 (18.Bh6 Kh8 19.Qg7) 1-0. WG_Anonymous – Anonymous, lichess.org, 2021.

7.Bc4 Qb6 8.a4 a6 9.Nc3 ab5 10.ab5 Ra1 11.Qa1 Be7 12.Ne5 0-0 13.0-0 Bd6 (13...Qd6 14.Nf3+=) 14.Nd7 (14.f4 Qc7+=) 14...Nbd7= (worse 14...Nfd7 15.Ne4 g6 16.f4+/-) 15.Ne4?? (better 15.f4=) 15...Ne4-+ 16.Bg7 Nd2 17.Bh8?? (17.Bf8 Nf8 18.Rc1 Nc4 19.Rc4 Qb5 20.Rc1-+) 17...e5 18.Rd1 (18.Rc1 Nc4 19.Rc4 Qb5 20.Be5 Ne5-+) 18...Nc4 19.f4 (19.Qb1 Kh8 20.Qb3 Na5-+) 19...Kh8 20.fe5 Be5 21.Rd7 Ba1 (21...Ba1 22.Rd1 Ne3-+) 0-1. AhmedSultanov (1805) - Kurobe (1820), lichess.org, 2019.

7.Bc4 Qb6 8.a4 a6 9.Nc3 ab5 10.ab5 Ra5 11.Ra5 White gets in control 11...Qa5 12.0-0 Bd6 13.Qc2 0-0 14.Ra1 Qc7 15.Ne4 Ne4 16.Qe4 Qb6? (better 16...h6+–) 17.Ng5+– Threatening mate... how? 17...g6 18.Qh4 h5 19.Nh7 (better 19.Ne4 f5 20.Qg5+–) 19...Qd8?? (better 19...Kh7 20.Qf6 e5 21.Be5 Be5 22.Qb6 Ba1 23.Qb7 Bf6+–) 20.Nf6+– Kh8 21.Nd7 (21.Qg5 Bh2 22.Kh2 Kg7 23.Nh5 Kh7 24.Nf6 Kg7 25.Ne8 Kh7 26.Qd8 f6 27.Qe7 Rf7 28.Qf7 Kh6 29.Qf6 Kh5 30.Ng7 Kg4 31.f3) 21...e5 22.Qd8 Rd8 23.Ne5 (23.Ne5 Be5 24.Be5 Kh7 25.Ra8+–) 1–0. yodamo – kyle smith, ChessWorld.net, 2008. (=1.Nf3 Nf6 2.b4 e6 3.b5 d5 4.Bb2 Bd7 5.e3 c5 6.c4 dc4)

7.Bc4 h6 8.Nc3 (8.0-0 a6 9.Nc3 ab5 10.Nb5 Bc6+=) 8...a6 (8...Bd6 9.d4+=) 9.a4 ab5 (9...Bd6 10.0-0+=) 10.ab5 Ra1 11.Qa1 Nd5? (better 11...Bd6+=) 12.Nd5 (12.Bd5 ed5 13.Nd5 Bb5 14.Bg7 Qd5 15.Bh8 Qd3+–) 12...ed5 13.Bg7 (13.Bd5 Bb5 14.Bg7+–) 13...Bg7 (better 13...Rg8 14.Bf6 Be7 15.Be7 Ke7 16.Bd5 Bb5 17.Qe5 Kf8 18.Bb7 Nd7+–) 14.Qg7 Rg8?? (14...Rf8 15.Bd5 Bb5 16.Qe5 Kd7 17.Bb7 Qc7+–) 15.Qg8 Ke7 16.Qd8 Kd8 17.Bd5 1–0. Pierre – Drainos, internet, 2020.

8.Bc4 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 Qc7 A) 12.Qa7 Be7 (12...h6 13.0-0 Be7 14.e4 0-0 15.Ra1 Rd8 16.e5 Nh7 17.Ne4 Ng5 18.Nfg5+–) 13.Na4 Bd6 14.Ba3 0-0 15.Bc5 Ne4 16.d4 Rc8 17.b6 Qd8 18.Bd3=; B) 12.Ne2 Be7 (12...Rg8 13.0-0 Qb6 14.Bf6 gf6 15.Qf6 Rg6 16.Qh8 Rg7 17.Nf4 Ke7 18.Ra1+–) 13.Be5 Qc8 14.0-0 0-0 15.Rc1 Qe8 16.Qb2 b6 17.Ra1 Qc8 18.Ra7+/–.

8.Bc4 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 Bc8 A) 12.e4 Nbd7 (12...Qd8 13.0-0 Nbd7 14.Rd1 Qc7 15.e5 Ne5 16.Ne5 Qe5 17.Nd5 Qb8 18.Bf6+/– 1.13) 13.e5 Ng4 14.h3 Nh6 15.Ne4 Be7 16.Bc3 Qd8 17.0-0 b6 18.Nd6+=; B) 12.0-0 Be7 (12...Bd6 13.e4 Bf8 14.Qa8 Nfd7 15.Ne2 Qd6 16.Qa1 f6 17.e5 fe5 18.Ng3+/–) 13.Rc1 Nbd7 14.Na4 Qa5 15.d4 cd4 16.Bd4 0-0 17.Nb2 Qb4 18.Bd3+/–.

8.Bc4 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 Bd6 12.e4 (12.Na4 Qd8 (12...Qa7 13.0-0 0-0 14.Bf6 gf6 15.Nc3 Qa1 16.Ra1 Bc8 17.Ne4 Be7 18.d3+/–) 13.Be5 Be7 14.0-0 0-0 15.Rc1 Be8 16.d4 cd4 17.Bd4 Nbd7 18.Bd3+/–; 12.0-0 Be7 (12...0-0 13.Na4 Qa5 14.Bf6 gf6 15.Nc3 Qa1 16.Ra1 Bc8 17.Ne4 Be7 18.Ra7+/–) 13.Qa8 Qc7 14.b6 Qc8 15.Ra1 0-0 16.d3 Bc6 17.Nb5 Bf3 18.gf3=) 12...0-0? (better is 12...Be7+= 13.0-0 0-0 14.e5 Ne8 15.Rc1 Nc7 16.Na4 Qa5 17.Bc3 Qa8 18.b6+=; 12...e5 13.Na4 Qd8 14.Be5 Ne4 15.0-0 f6 16.Bd6 Nd6 17.Re1 Kf8 18.Nc5+–) 13.e5+– Ng4? (13...Ne8 14.ed6 Nd6+–) 14.Na4 Qa5 15.Bc3 Qc7 16.ed6 Qd6 17.Bg7 Re8 18.Bc3 e5 (18...Qf4 19.d3 e5 20.Nc5+–) 19.h3 e4 20.Ng5 Ne5 21.Be5 Qe5 22.Qe5 Re5 23.Nf7 Re7 24.Nd6 Be6 25.Be6 Re6 26.Nb7 c4 27.Nbc5 Re5 (27...Rg6 28.0-0+–) 28.Ke2 Kf7 (28...Rd5 29.Rc1+–) 29.Rc1 Ke7 (29...c3 30.dc3 Ke7 31.b6+–) 30.Rc4 Kd6 31.Re4 Rc5 32.Nc5 Kc5 33.Re7 h6 34.Rb7 1–0. pcmvr (2765) – prasanta (2320), net–chess.com, 2014.

8.Bc4 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 Be7 A) 12.Na4 Qd8 (12...Qa5 13.Bc3 Qc7 14.Be5 Qd8 15.0-0 0-0 16.Rc1 Qa5 17.Nc3 Qd8 18.Qa7+/– 1.06) 13.0-0 0-0 14.d4 Qe8 15.Nc5 Bb5 16.Bb5 Qb5 17.Rb1 b6 18.Bc3+=; B) 12.0-0 0-0 (12...Qd8 13.Qa7 Qc7 14.Na4 Bd6 15.Rc1 Ng4 16.h3 Nf6 17.Bd3 b6 18.Qb6+– 2.00) 13.Na4 Qa5 14.Bc3 Qc7 15.Rc1 Rc8 16.Be5 Qd8 17.d4 cd4 18.Bd4+=.

8.Bc4 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 h6 A) 12.e4 Be7 (12...Qd8 13.0-0 Be7 14.Qa7 Qc7 15.Re1 0-0 16.e5 Nh7 17.Ra1 Ng5 18.Ng5+/–) 13.0-0 0-0 14.e5 Nh7 15.Ba3 Rc8 16.Ne4 Kh8 17.Qb2 Rc7 18.Ra1+/–; B) 12.0-0 Be7 (12...Bd6 13.Na4 Qd8 14.Be5 Be7 15.d4 cd4 16.Qd4 0-0 17.Nb6 Be8 18.Qd8+– 1.59) 13.Qa8 Bd6 14.e4 Ng4 15.h3 Ne5 16.Ne5 Be5 17.Na4 Qd6 18.Be5+/–.

7.Be2 0-0 8.0-0 a6 9.Qa4=.

7.Be2 0-0 8.0-0 dc4 9.Bc4 (9.Na3 a6 10.Bf6 gf6+=) 9...Qe7 (9...a6 10.a4+=) 10.Ne5 (10.Nc3 Be8+=) 10...a6= 11.Nd7 Nbd7 12.a4 (12.ba6 Rfb8 13.Nc3 ba6+=) 12...Nb6 13.Qc2 (13.Na3 Nc4 14.Nc4 Nd5=) 13...Nc4 14.Qc4 Nd7 (14...ab5 15.Qb5 Ng4=) 15.d4 (15.Na3!?=) 15...cd4-/+ 16.Bd4 Rfc8 17.Qb3 (17.Qe2 Bb4-/+) 17...e5 18.Bb2 Nc5 19.Qd1 (19.Qc4 e4 20.Qd4 f5-/+) 19...Rd8 20.Nc3 (20.Na3-/+) 20...f6 (20...e4 21.Nd5 Qg5 22.f4 Bf4 23.Rf4 Rd5 24.Bd4-+) 21.Qg4 (21.Qd5 Qf7=+) 21...Qf7 (21...e4 22.Ne2-/+) 22.Rfd1 f5 23.Qe2 e4 24.Rd2? (24.f3!?-/+) 24...Nd3 (24...Nb3 25.Rdd1 Na1 26.Ba1-+) 25.f3 (25.Rad1 Qc7 26.ba6 ba6-+) 25...Qe6 (25...Rac8 26.fe4 Nb2 27.Rd6 Rd6 28.Qb2-+) 26.fe4 fe4 27.Ne4 (27.ba6 ba6 28.Nd1 Rd7-+) 27...Qe4 28.Rd3 (28.Qd3?? Bh2! 29.Kh2 Rd3 (29...Qd3?! 30.Rd3 Rd3 31.Rc1-+) 30.Rd3 Qd3-+) 28...Bh2! 29.Kh2 Rd3 30.Bd4?? (30.Rf1-+) 30...Rd4 31.Qf3 (31.ba6 Ra6 32.Rc1 A) 32...Raa4?! 33.Rc8 Kf7 34.Qh5 Ke6 35.Re8 Kd6 36.Re4 (36.ed4 Qf4 37.Kh3 Ra3 38.Qf3 Rf3 39.gf3 Qf3 40.Kh2 Qh5 41.Kg3 Qe8 42.Kf4 b5 43.Kf5 b4 44.Kf4 b3 45.Kf5 b2 46.Kf4 b1Q 47.Kg4 Qg1 48.Kf4 h5 49.d5 Qg4) 36...Re4 37.Kg1=+; B) 32...Rda4 33.Qd2-+; C) 32...Qe5 33.Kg1 Qe6-+) 31...Qf3 (better 31...Qe5 32.Kg1 Rh4 33.Rd1 Qh2 34.Kf2-+) 32.gf3 Rd2 33.Kg3 ab5 34.e4 (34.a5-+) 34...ba4 35.e5 Kf7 36.f4 a3 37.Kf3 a2 38.Ke3 Rb2 39.f5 Rb1 40.Ra2 Ra2 41.Kd4 Ra5 42.e6 Kf6 43.Ke4 (43.Kd3 Rf5 44.e7 Ke7 45.Kc2 Rbf1 46.Kd3 R5f3 47.Kd2 R1f2 48.Kc1 Rd3 49.Kb1 Rd1) 43...Rf5 (43...Rb3 44.Kd4 Ra4 45.Kd5 Rc3 46.e7 Ke7 47.f6 Kf6 48.Kd6 Rd4) 44.Kd4 Ke6 45.Ke4 (45.Kd3 Rf3 46.Kd4 Rbb3 47.Kc5 Ke5 48.Kc4 Rfc3) 45...Rb4 (45...Rb3 46.Kd4 Rf4 47.Kc5 Kd7 48.Kd5 Rb5) 46.Kd3 Rf3 47.Ke2 (47.Kc2 h5 48.Kd1 Rb2 49.Ke1 h4 50.Kd1 Rf1) 47...Ra3 48.Kd2 Rb2 49.Kc1 Rh2 (49...Raa2 50.Kd1 Ra1) 50.Kb1 Rg3 51.Kc1 Rg1 0-1. Bushwacker (1840) - Saint (1765), ChessWorld.net, 2007.

7.Be2 0-0 8.0-0 Be8 9.Bf6 Qf6 10.Nc3 Nd7 (10...dc4 11.Ne4 Qe7 12.Bc4+=) 11.cd5+/– Nb6 12.Ne4 Qe7 13.de6 fe6 14.Rc1 Rc8 15.Qb3 Bd7 (15...Bh5 16.Nd6 Qd6 17.Qa3+/–) 16.Qa3+– Rf3 (better is 16...Bb8+–) 17.gf3 Rf8 (17...Bb8 18.Rc5 Rf8 19.f4+–) 18.Qa7 (18.Nc5 Qg5 19.Kh1 Qh5–+; worse is 18.Nd6 Qd6 19.d4 e5 20.dc5 Qe7+–) 18...Bc7 19.f4 (19.Qb7 Bb5 20.Rc5 Bh2 21.Kh2 Qb7 22.Rb5 Rf5+/–; 19.Rc5 Bb5 20.Rb5 Ra8 21.Qb6 Bb6 22.Rb6 Qc7+–; 19.Nc5 Qd6 20.f4 Rf4=) 19...e5 (19...Bc8 20.Nc5 e5 21.fe5 Qg5 22.Kh1 Qe5 23.f4+–) 20.Rc5 (worse is 20.Qb7 Bc8 21.Qc6 ef4 22.Rc5 Bd8+–; worse is 20.Nc5 Bh3 21.Qb7 Bf1 22.Kf1 ef4+–) 20...Rc8 (20...Bd8 21.Re5 Qf7 22.Ng5+–) 21.Qb7 Bd8 22.Rc8 Bc8 (22...Nc8 23.fe5 Nb6 24.d4+–) 23.Qe7 Be7 24.fe5 Nd7 (24...Bb7 25.Nc3+–) 25.Nd6 Bd6 26.ed6 Ne5 (26...Nb8 27.Rc1 Be6 28.b6+–) 27.Rc1 Bb7 28.Rc7 Nf3 29.Bf3 Bf3 30.d7 (30.d7 Kf7 31.d8Q Kg6 32.Qd6 Kh5 33.Qe5 Kh4 34.Rg7 h6 35.Qg3 Kh5 36.Qh3#) 1–0. pierre – startw, internet, 2010.

7.a4 0-0 8.d4 a6 9.Nbd2 ab5 10.ab5 Ra1 11.Qa1 cd4 12.Bd4 dc4 13.Bc4 Nd5? (better is 13...Bc8+/–) 14.Bg7+– Bf6 15.Bf6 Qf6 16.Ne5 Ne3?? (16...Be8 17.Ne4 Qg7+–) 17.fe3 Qh4 (17...Bc8 18.Ndf3+–) 18.g3 Qf6 (18...Qg5 19.Qd4 Rd8 20.Ne4+–) 19.Ne4 Qg7 20.0-0 f5 (20...f6 21.Nd7 Nd7 22.Be6 Kh8 23.Bd7+–) 21.Nc5 Be8 (21...Bc8 22.Be6 Be6 23.Ne6 Qh6 24.Nf8 Qe3 25.Kg2 Kf8 26.Rf5 Ke8+–) 22.Ne6 (22.Ne6 Qf6 23.Nd4 Bf7 24.Nf7 Rf7 25.Rf5 Qg7 26.Rf7 h6 27.Rg7 Kg7 28.Nf5 Kg6 29.g4 Nc6 30.Qg7) 1–0. Fritz11 – jumbo, casual, 2013.

7.a4 0-0 8.Be2 b6 9.0-0 a6 10.d4 ab5 11.ab5 Ra1 12.Ba1 dc4 13.Bc4 Nd5 (13...Qc7 14.Qb3+=) 14.dc5 (14.e4 Nf6 15.Qe2 Qc7+=) 14...Bc5 (14...bc5 15.Qc2+=) 15.Bd5 (15.Be5 Qe8 16.Qb3 Qe7+/-) 15...ed5+= 16.Nc3 (16.Qd5?! Bb5 17.Qe5 f6 18.Qe6 Kh8=) 16...Be6 17.Nd4 (17.Qd3+=) 17...Bd4? (better 17...Qh4!?=) 18.Qd4+/- (18.ed4?! Nd7=) 18...Qg5 (18...f6 19.Rd1+/-) 19.f4+- (19.Qb6 Bh3 20.g3 Bf1 21.Kf1 Re8=) 19...Qh5 (19...Qh6 20.f5 Bd7 21.Nd5+-) 20.Nd5! Nd7?? (20...Bd5 21.Qg7 Mate attack; 20...Qd5 21.Qg7 Mate attack) 21.Qg7 1-0. zembelek (2055) - pilocl (2050), Rated Blitz game, lichess.org, 2014.

7.a4 a6 8.Nc3 ab5 9.cb5 (9.ab5!? Ra1 10.Qa1+=) 9...0-0= 10.Be2 Qb6 (10...Bc8 11.Qc2=) 11.Ba3 (11.Qc2 Bc8=) 11...Bd6 (11...Bc8 12.0-0=) 12.Qc2 (12.0-0 Bc8=) 12...Rc8 (12...e5 13.e4 d4 14.Nd1+=) 13.0-0 (13.e4 de4 14.Ne4 Ne4 15.Qe4 f5+=) 13...Be8 14.Rfc1 (14.e4 Nbd7=) 14...Nbd7+= 15.Bb2 (better is 15.h3+=) 15...Ne5 Black prepares the advance c4 (better is 15...c4+=) 16.Ne5+/– Be5 17.f4 (17.Nd5!? Bh2 18.Kh2 Nd5 19.Kg1+/–) 17...Bd6= 18.Kh1 (18.Bf3 Qd8=) 18...c4 19.Bf3 Nd7 20.Ne2 (20.a5 Ra5 21.Nd5 ed5–/+) 20...Nc5 21.Bd4 Qd8 22.Bc5 (22.Rcb1 Nb3 23.Rb3 cb3 24.Qb3 Qc7–/+) 22...Bc5 23.Qc3 (23.e4 Qd6+=) 23...Qd6–/+ 24.Rcb1 b6 (24...f6 25.f5 ef5 26.a5–/+) 25.Nd4 (25.e4 f6–/+) 25...Ra7 (25...Ra5 26.g3–/+) 26.Bd1 (26.a5 ba5 27.Ra5 Rca8 28.Ra7 Ra7–/+ (28...Ba7 29.Qa5 Qd7 30.b6+–)) 26...Rca8 27.Nf3 f6 28.Bc2 Ra5 29.d4 cd3!–+ 30.Qd3 Bg6 31.Qb3 Bc2 32.Qc2 Be3 33.g3 R5a7 34.Re1 Bc5 35.Qd1 Rc7 36.Nd4 Bd4 37.Qd4 Rc4 38.Qd1 Rac8 39.Qg4 Re8 40.Qh5 Re7 41.Rad1? d4 42.Ra1 g6 43.Qf3 Rc3 Black plans d3 44.Qe4 d3 45.Re3?? d2 46.Rc3 d1Q 47.Rd1 Qd1 (47...Qd1 48.Kg2 Qd2 49.Kh3 Qc3 50.Qa8 Kg7–+) 0–1. Krueger,Bernhard – Meijere,Agnese (2150), Baunatal op 5th, 1999.

7.Nc3 0-0 8.a4 a6 9.g4 (9.Bd3 dc4 10.Bc4 Be8+=) 9...Ne4 (9...ab5 10.ab5 Ra1 11.Qa1 h6+=) 10.Ne4 (10.cd5 Nc3 11.dc3 (worse 11.Bc3 ed5 12.Bd3 d4 13.ed4 Re8–/+) 11...ed5 12.Qd5 ab5 13.Bb5= (worse 13.ab5 Ra1 14.Ba1 Bg4 15.Qd8 Rd8=+)) 10...de4=+ 11.Ne5 Bh4 (better 11...Bc8 12.g5 Bg5=) 12.Bg2+– f5 13.gf5 (13.0-0 Bf6+–) 13...ef5 (13...Rf5 14.Qg4 Rf2 A) 15.Be4?? Rg2 16.Qg3 Bc6–+ (worse 16...Bg3 17.hg3 Rg3 18.Bh7 Kf8 19.Ng6 Rg6 20.Bg6–+; 16...Rg3 17.hg3 Bg3 18.Ke2 Be5 19.Be5=+); B) 15.0-0-0 ab5 16.ab5+–) 14.Qh5 (14.0-0 Be6 15.d4=) 14...Qg5?? (better 14...Be8 15.Qe2 Nd7–/+) 15.Qg5+– Bg5 16.Rg1 (16.d3!? Be6 17.de4+–) 16...Bf6+= 17.Rb1 (better 17.f4!? Be6 18.d3+=) 17...ab5=+ 18.ab5 Ra2 19.Bc3 (19.f4 ef3 20.Nd7 Nd7 (worse 20...Bb2 21.Nf8 fg2 22.Ne6+–) 21.Bf6 fg2=+) 19...Be6–/+ 20.Bf1 Nd7 21.f4 (21.Nd7 Bc3 22.Nf8 Bd2 23.Kd1 Kf8–/+) 21...Ne5 (21...ef3!? 22.Nf3 Bc3 23.dc3–+) 22.fe5–/+ Bh4 23.Ke2? (better 23.Kd1!?–/+) 23...Bc4 24.Kd1 Bf1 25.Rf1 g6 26.Rb2 Rfa8 27.Kc2 Be7 (27...Rb2 28.Bb2 Kf7 29.d3 ed3 30.Kd3–+) 28.Rfb1? (better 28.Ra2!? Ra2 29.Kb3–/+) 28...Kf7 29.Ra2 Ra2 30.Rb2? (30.Kb3 Ra8–+) 30...Ra1 (better 30...Rb2 31.Bb2 Ke6 32.d4–+) 31.Rb1?? (31.Kb3–+) 31...Rb1 32.Kb1 Ke6 33.Kc2 Kd5 (33...Bd8 34.d3 ed3 35.Kd3–+) 34.Kb3 (34.h3 Bd8–+) 34...c4 35.Ka4 (35.Kc2 Bd8–+) 35...b6 36.Bb4 (36.e6 g5 37.Bg7–+) 36...Bb4 37.Kb4 Ke5 38.Kc4 g5 39.d4 (39.Kb3 Kd5 40.Kb2 Kc4–+) 39...ed3! 40.Kd3 h5 41.h3 g4 0–1. yodamo – piet111, ChessWorld.net, 2007. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.b5 Bd7 5.e3 c5 6.c4 Be7)

7.Nc3 a6 8.a4 0-0 9.Be2 Qc7 10.0-0 dc4 11.Bc4 e5 12.d3 Bg4 13.e4 (13.h3 Bd7+/-) 13...Nbd7= 14.a5 ab5 15.Nb5 Qd8 16.Bc3 Ne8 17.h3 Bh5 18.g4 Bg6 19.Ne5 Ne5 20.Be5 Ra5 21.Ra5 Qa5 22.Qa1 Qb6 23.Rb1 Qd8 24.Qa7 Qd7 (better 24...b6!?+/-) 25.Nc3 Nd6 26.Bd6 (26.Nd5 Bg5 27.Qc5 Nc4 28.Qc4 Qe6+-) 26...Bd6 (26...Qd6!? 27.Qb7 Bf6+/-) 27.Rb7+- (27.Qb7?! Qd8 28.Rb6 Be5+/-) 27...Qd8 28.Rd7 Qf6 29.Nd5 Qe5 30.f4 Qd4 31.Kf1 (better 31.Kg2!? Be4 32.de4 Qe4 33.Kf2 Qc4 34.Rd6 Qd4 35.Ke1 Qg1 36.Kd2=) 31...Be4= The backward pawn on d3 becomes a target 32.Qa2?? (better 32.Rd6 Bd5 33.Rd5 Qf4 34.Kg2 Qd2 35.Kf3 Qd1 36.Kf2 Qd2 37.Kg3 Qe1 38.Kf3 Qd1 39.Kf4 Qf1 40.Kg3 Qe1 41.Kf3 Qd1=) 32...Bd3-+ 33.Bd3 Qd3 34.Kg2 Qe4 35.Kg3 Bb8 (35...Bf4 36.Nf4 Qe3 37.Kg2 Qf4 38.Qd5-+) 36.Re7? (better 36.Qd2-/+) 36...Bf4!-+ 37.Kf2 (37.Nf4 Qe7 Deflection (37...Qe7 Overloading)) 37...Be3?? (better 37...Qd4 38.Kf3 Be5-+) 38.Kg3= Bf4 39.Kf2 (39.Nf4 Qe7 Deflection) 39...Qd4 40.Kf3 Bg5 41.Re2 (41.Rd7 Qd3 42.Kg2 Qe4 43.Kh2-+) 41...c4 42.Qa5 (42.Re4 Qd5 43.Qc4 Qb7-+) 42...Qd3 (better 42...Qd1 43.Ne3 Be3-+) 43.Ne3 Be3 44.Re3 Qd1 (44...Qf1 45.Kg3-+) 45.Kf4 (45.Kf2 Qd6-+) 45...Qd6 (better 45...f5 46.gf5 Qf1 47.Kg3 Rf5 48.Qa8 Rf8 49.Qd5 Kh8-+) 46.Re5?? (46.Qe5 Qc6-+) 46...Rc8 (46...Re8 47.Kf3 Qe5 48.Qe5 Re5 49.Kf4-+) 47.Ke4 (47.Qd5 Qf6 48.Kg3-+) 47...Qd3 Black prepares c3 48.Kf4 c3 49.Rd5 (49.Qc5 Qd8 50.Qe7 Qe7 51.Re7 c2-+) 49…Qd5! (49...Qd5 50.Qd5 c2-+) 0-1. Nekvasil,Radek (1755) - Kucharska,Helena (1710), 45th Vsetin Open, 2020.

7.Bd3 0-0 8.0-0 a6 (8...dc4 9.Bc4 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Ne4=) A) 9.Qa4 dc4 10.Bc4 Qb6 (10...Nd5 11.Bd3 Qb6 12.Qg4 Nf6=+) 11.d4 cd4 12.Nd4=+ ab5=+; B) 9.a4 ab5 10.ab5 Ra1 11.Ba1 dc4 12.Bc4 Ne4=.

7.Bd3 0-0 8.Nc3 A) 8...Bd6 9.Qb3 (9.0-0 a6 10.Qb3 ab5 11.Nb5 Be7 12.Be5 Nc6=) 9...dc4 10.Qc4 Bc8 11.0-0 a6 12.Rfb1= Nbd7=; ; B) 8...dc4 9.Bc4 a6 10.Qa4 Ne8 11.Bd3 f5 12.Qb3 Nd6=; C) 8...b6 9.0-0 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 Qc7=; D) 8...a6 9.Qa4 dc4 10.Bc4 Ne8 11.Bd3 f5 12.0-0 Nc7=.

7.Bd3 0-0 8.g4 a6= 9.a4 ab5 10.ab5 Ra1 11.Ba1 dc4 (11...Qa5 12.Nc3 dc4 13.Bc4=) 12.Bc4 Ne4 (12...Bc8 13.Nc3=) 13.Rg1 (13.Be5!?=) 13...Nd6=+ Attacking the isolated pawn on b5 14.Qc2 Nc4 15.Qc4 Bf6 (better 15...Qa5!? 16.Qc3 Qc3 17.Nc3 f5=+) 16.Bf6+= Qf6 17.Qd3?? (better 17.Ke2+=) 17...Qf3–+ 18.Nc3 Qf6 (better 18...e5!? 19.h3–+) 19.g5 Qd8 (19...Qf3 20.Qd6–+) 20.h4 (20.f4 Qb6–+) 20...f5 (20...Bc8 21.Qd8 Rd8 22.Ke2–+) 21.Qc4 (21.Qd6 Qa5 22.g6 h6–+) 21...b6 (21...Qe7 22.h5–+) 22.h5 Bc8 23.Ne2 (23.Qf4 Bb7–+) 23…Qd5 (23...Qd5 24.Qd5 ed5–+) 0–1. yodamo – Kerre, ChessWorld.net, 2011. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.b5 Bd7 5.e3 c5 6.c4 Be7)

7.Bd3 Qa5 A) 8.Ne5 A1) 8...0-0 9.a4 a6 10.0-0 Rd8 (10...Qc7 11.Na3 Bd6 12.f4 Rd8=) 11.Qc2 (11.f4 Qc7 12.Qf3= Qd6=) 11...Qc7 12.Na3 Bc8=; A2) 8...a6 9.cd5 ab5 10.de6 Be6 11.Qf3 c4 12.Bc2 Qc7=+; B) 8.Qb3 B1) 8...a6 9.a4 0-0 10.0-0 Rd8 11.Be5 (11.Bc3 Qc7 12.Be5= Qa5=) 11...dc4 12.Qc4 Bc8=; B2) 8...dc4 9.Bc4 0-0 10.Ne5 Bc8 11.0-0 Nbd7 12.f4 Nb6=; B3) 8...0-0 9.0-0 a6 10.a4 Rd8 11.Bc3 Qc7 12.Be5 Qa5=.

7.Bd3 a6 8.Qa4 dc4 (8...Qb6 9.Nc3 Ra7 10.Qb3 ab5 11.Nb5 Ra6 12.Be5 Bb5=) 9.Bc4 Nd5 10.Bd5 ed5 11.Nc3 Be6 12.ba6= Nd7=+.

7.Bd3 b6 A) 8.0-0 a6 9.Qa4 0-0 10.Nc3 (10.Ne5 Bc8 11.Rc1 Bb7 12.a3 ab5=+) 10...Bc8 11.cd5 ed5 12.Rfc1= Re8=; B) 8.Na3 B1) 8...a6 9.0-0 (9.Qa4 0-0 10.0-0 Bc8 11.Qc2 ab5 12.Nb5 Bb7=) 9...0-0 10.Qa4 Bc8 11.Qc2 ab5 12.Nb5= Bb7=; B2) 8...dc4 9.Bc4 a6 10.0-0 0-0 11.d4 ab5 12.Nb5 Bc6=; B3) 8...Bd6 9.0-0 a6 10.Qb3 dc4 11.Nc4 Bc7 12.a4 0-0+=; B4) 8...0-0 9.0-0 a6 10.Qa4 Bc8 11.Qc2 Nbd7 12.Ne5 Ne5=; C) 8.Ne5 a6 9.Qa4 0-0 10.0-0 Bc8 11.Rc1 Bb7 12.a3 ab5=+; D) 8.Qa4 a6 (8...0-0 9.0-0 a6 10.Na3 Bc8 11.Qc2 ab5 12.Nb5 Bb7=) 9.0-0 0-0 10.Nc3 Bc8 11.cd5 ed5 12.Rac1 Re8=; E) 8.Qe2 a6 (8...0-0 9.0-0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Bc8=) 9.ba6 0-0 10.Nc3 Bc8 11.a7 Nc6 12.0-0 Nb4=; F) 8.Nc3 a6 (8...0-0 9.0-0 a6 10.a4 dc4 11.Bc4 ab5 12.ab5 Ra1+=) 9.Qa4 0-0 10.cd5 (10.0-0 Bc8 11.Qc2 ab5 12.Nb5 Bb7=) 10...Nd5 11.0-0 f5 12.Qb3= Nc3=.

7.Bd3 Bd6 8.0-0 a6 9.Qa4 0-0 10.Be5 Be5 11.Ne5 Be8 12.Qa3= Qd6=.

7.cd5 ed5 8.Be2 0-0 9.0-0 Be6 (9...a6 10.a4=+) 10.a4 Nbd7 11.Re1 Nb6 (11...a6 12.ba6 ba6 13.Nc3=) 12.Na3 Qc7 13.Rc1 Rac8 14.d4 (14.d3 Nbd7=) 14...Ne4 (14...c4 15.Nb1=+) 15.a5 (15.dc5!? Nc5 16.Be5=) 15...Nd7=+ 16.a6 ba6 (16...c4 17.Nd2 f5 18.ab7 Qb7 19.f3-/+) 17.ba6 (better 17.dc5!? Ndc5 18.ba6=) 17...Qb6 18.dc5?? (better 18.Rb1 c4 19.Qa4-/+) 18…Qb2-+ (18...Qb2 19.Nb5 Bc5-+) 0-1. AleksandrNekhoroshik (1720) - R_Lando (1780), lichess.org, 2021.

7.Be2 a6 8.a4 0-0 9.0-0= Ne4 (9...b6 10.Nc3=) 10.d3+= Nd6 11.Qb3 (11.Nbd2 dc4 12.dc4 b6+=) 11...dc4 (11...b6 12.Ne5=) 12.dc4+= Be8 (12...ab5 13.ab5 Ra1 14.Ba1+=) 13.Rd1 Qc8 (13...b6 14.Ne5+=) 14.Be5+/– Ne4 15.Qc2 f5 16.Nc3 Bg6 17.Ne4 (17.Qb2 ab5 18.cb5 Nf6+/–) 17...fe4 18.Nd2 Nd7 19.Bg3 Nf6 20.Rdb1 (20.a5 Qe8+/–) 20...Rd8 (20...Bf5 21.a5+=) 21.a5+/– Rd7 22.h3 (22.Rd1 Qe8+/–) 22...Qd8 (22...Qe8 23.Be5+=) 23.Ra2 (23.Nb3 Qe8+=) 23...Qf8+= 24.Rab2 Rad8 25.Nf1 Bd6 26.ba6 ba6 27.Rb6 (27.Bd6 Rd6 28.Rb7 Bf5+=) 27...Bg3 28.Ng3 Rd2 29.Qc3 Nh5 30.Nh5 (better is 30.R1b2 Rb2 31.Qb2 Ng3 32.fg3+/–) 30...Bh5–/+ 31.Bf1 Qf2 32.Kh1?? (better is 32.Kh2 Bd1 33.Rb7–/+) 32…Bf3! (33.Qd2 Rd2–+) 0–1. Mitloehner,Norbert (1925) – Maier,Gerald (2030), Graz–ch, 1994.

7.Be2 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 b6 11.0-0 0-0 12.d4 Qc7 13.Nbd2 (13.dc5 Qc5 14.Bd4 Qb4+=) 13...Ne4 (13...Rc8 14.Qb3+=) 14.Ne4 de4 15.Nd2 f5 16.f3 (16.Qb3 Rd8+=) 16...cd4= 17.Bd4 ef3 (17...e5 18.Bb2 Bc5 19.fe4 Be3 20.Kh1=) 18.Nf3+= Bf6 (18...Bd6 19.Qd3+=) 19.Qa1 (19.Bf6 Rf6 20.Qd4 Bc8+–) 19...Bd4 (19...Bc8 20.Bf6 Rf6 21.Qe5 Qe5 22.Ne5+–) 20.Qd4 (20.ed4 Bc8+–) 20...Be8 (20...Bc8 21.Qf4 e5 22.Qe5 Qe5 23.Ne5+–) 21.Ne5 (21.Qf4 Rf7+–) 21...Nd7 22.Nc6 (22.Nd7!? Bd7 23.Rd1+–) 22...Nc5+= 23.Ra1?? (better 23.Nb4+=) 23...Bc6–+ 24.bc6 Qc6?? (better 24...Nb3 25.Qb2 Na1 26.Qa1 Qc6–+) 25.Ra7+= Rf7?? (better 25...e5!? 26.Qe5 Qf6 27.Qf6 Rf6+=) 26.Bf3 (better 26.Qd8 Rf8 27.Qe7+–) 26...Qe8? (better 26...Qf3 27.Rf7 Qg4+–) 27.Ra8 Re7 (27...Qa8 28.Ba8 Rd7+–) 28.Re8 Re8 29.Bc6 Rf8 (29...Rc8 30.Qa1 h6+–) 30.Bd7 (better 30.Qd6!? g6+–) 30...Kf7? (30...Rd8 31.Be6! Ne6 32.Qb6 Kf7+–) 31.Qd6 g6 (31...Ra8 32.h4+–) 32.Qc6 (32.Bb5!? Ra8 33.h3 Ne4 34.Qb6 Ra2+–) 32...Ke7 33.Be6 (better 33.Bc8+–) 33...Ne6 34.Qb6 Rd8 (34...Rc8 35.Qb4 Nc5 36.Kf2+–) 35.Qb7 (35.e4 fe4 36.Qb7 Rd7 37.Qe4 Rd4 38.Qb7 Kf6+–) 35...Rd7 36.Qb4 Kf7 37.c5 (37.Qb5 Ke7 38.Kf2+–) 37...Rd1? (better 37...Rc7+–) 38.Kf2+– Rc1 (38...Rd7 39.c6 Rc7 40.Qd6+–) 39.Qb7 Kg8 40.c6 Rc2 (40...Nc5 41.Qc8 Kf7 42.c7 Ne4 43.Ke2 Rc2 44.Kd1 Rd2 45.Kc1+–) 41.Kf3 Ng5 (41...h6+–) 42.Kf4 h6 (42...Ne6 43.Ke5 Nc5 44.Qa8 Kf7+–) 43.Qb3 (43.Qb3 Ne6 44.Qe6 Kg7 45.c7+–) 1–0. GuestHSPY – pawnsprogess, freechess.org, 2018.

7.Be2 a6 8.a4 ab5 9.cb5 0-0 10.0-0=+.

7.Be2 a6 8.Qa4 dc4 (8...Qb6 9.Nc3 0-0 10.0-0 d4 11.Nd1 ab5 12.Qa8 Na6=) 9.Bc4 Nd5 10.Bd5 ed5 11.Nc3 Be6 12.ba6 Nc6=+.

7.Be2 a6 8.ba6 Na6 9.cd5 ed5=+.

7.Be5 A) 7...0-0 A1) 8.Nc3 A11) 8...a6 9.a4 (9.Qa4 Be8 10.cd5 Nd5 11.Qg4 Bf6 12.ba6 Na6=) 9...Qa5 10.Rb1 (10.Ra2 Rd8 11.Qb3 b6 12.cd5 ed5=) 10...ab5 11.ab5 dc4 12.Bc4= Ng4=; A12) 8...Bc8 9.d4 Nbd7 10.Rc1 cd4 11.Qd4 Ne5 12.Ne5 Bb4=+; A2) 8.Qc2 Bc8 9.d4 Nbd7 10.Bd3 cd4 11.Bd4 Nc5 12.Be2 Qa5=; B) 7...a6 8.Qa4 0-0 (8...b6 9.Nc3 0-0 10.d4 Ne4 11.Rc1 Qe8 12.Ne4 de4=) 9.d4 B1) 9...Ng4 10.Bg3 (10.Nc3 Ne5 11.de5 dc4 12.Bc4 Ra7=) B11) 10...b6 11.Nc3 (11.cd5 ed5 12.Nc3= c4=) 11...cd4 12.Nd4 Qc8=; B12) 10...dc4 11.Bc4 cd4 12.Nd4 e5=; B2) 9...b6 10.dc5 bc5 11.Nc3 Be8 12.cd5 ed5=.

7.Ne5 Qc7 8.d3 (8.f4 0-0=) 8...Bd6 (8...0-0 9.Nd2=+) 9.Ng4 (9.f4 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 0-0=) 9...Ng4=+ 10.Qg4 Be5 11.Be5 Qe5 12.d4 Qf6 (12...cd4 13.Qd4 Qd4 14.ed4 dc4 15.Bc4=) 13.Qd1 (13.Nc3 h5 14.Qd1 cd4 15.ed4 0-0 16.cd5 ed5+=) 13...b6 (13...0-0 14.cd5 ed5 15.Nc3=) 14.Nc3 (better 14.cd5 ed5 15.Nc3+=) 14...dc4? (14...cd4 15.Qd4 Qd4 16.ed4 dc4 17.Bc4+=) 15.Bc4 (15.Ne4!? Qe7 16.dc5+=) 15...a6+= 16.0-0 (16.Ne4!? Qe7 17.a4+=) 16...ab5 (16...cd4 17.ed4 ab5 18.Bb5=) 17.Nb5 0-0 18.dc5 bc5 19.Qd6 (19.Rb1 Nc6=) 19...Rc8 (19...Rd8 20.Nc7 Ba4 21.Qc5+=) 20.a4 (20.Rab1 Nc6 21.Nc7 Ra7+=) 20...Bc6 21.Nc7 (21.a5 Na6=) 21...Ra7 Exerts pressure on the isolated pawn (21...Qg5 22.e4 Rd8 23.Ne6 fe6 24.Qe6 Kh8 25.Bb5–/+) 22.Ne6 (22.Nb5 Ra8=) 22...Rd7 (better 22...Bd7!? 23.Rab1 Nc6–/+) 23.Qf4= fe6 24.Qf6 gf6 25.Be6 Kf8 26.Bd7 Nd7 27.a5 Ra8 28.Rfc1 (28.Rfb1 Ke7+=) 28...Bb5 29.f4 (29.Rd1 Ke7+=) 29...c4= 30.Rd1 (30.Rcb1 Ba6=) 30...Nc5 31.Rd5 (31.Ra3 Rb8=) 31...Nb3 The isolani on a5 becomes a target 32.Ra3 (32.Ra2 Bc6 33.Rd6 Ra5 (33...Na5?? 34.Rc6 Nc6 35.Ra8 Ke7 36.Ra4+–) 34.Rf6 Ke7 35.Rc6 Ra2 36.Rc4 Kd6=) 32...c3 33.Rb3 (worse 33.Rb5 c2 34.Rc5 Nc5–/+) 33...Bc4 34.Rc3 (34.Rc5 Bb3 35.Rc3 Bd5=+) 34...Bd5=+ 35.Rc5 Be4 36.g4 Rb8 (36...Ke7 37.Kf2=) 37.h4 White plans g5 (37.Rc4 Rb1 38.Kf2 Rb2 39.Kg3 Bd3 40.Rc8 Ke7=) 37...Rb1 (37...Ke7 38.Rc4 Bd3 39.Rc3=) 38.Kf2 Rb2 39.Ke1 Rh2 (39...Ke7 40.Rc4 Bd3 41.Rc3=) 40.g5 (40.Rc4 Bd3 41.Rc3 Be4=) 40...Rh4 41.Kd2 (41.gf6 Rh1 42.Kd2 Rh2 43.Ke1 Kf7=+) 41...Rh2=+ 42.Kc1 (42.Kc3 f5=+) 42...f5 (42...fg5 43.Rg5 Kf7 44.Re5–/+) 43.Kd1 (43.a6 Ra2 44.Rc8 Ke7 45.Rc7 Kd8 46.Rh7 Ra6–/+) 43...Rh1 (43...h5 44.gh6 Rh6 45.Kd2–/+) 44.Ke2 (44.Kd2=+) 44...Rh2 45.Kf1 (45.Kd1 Ra2 46.Re5–/+) 45...Bd3 (45...h5 46.Rc8 Kg7 47.Rc7 Kg6 48.Rd7–+) 46.Kg1 (46.Ke1 Ke7–/+) 46...Re2 (46...Ra2 47.Rc7–/+) 47.Re5? (better 47.Rc8!? Ke7 48.Rh8=+) 47...Be4–+ 48.a6? (48.Rc5 Re3 49.a6 Ra3 50.Rc8 Ke7 51.Rc7 Kd8 52.Rh7 Ra6–+) 48...Re3?? (better 48...Rg2 49.Kf1 Ra2–+) 49.Ra5–/+ Rg3 (49...Rd3–/+) 50.Kf2 (better 50.Kh2!? Rd3 51.a7=+) 50...Rf3–+ 51.Ke2 Rf4 52.a7 Rg4 (52...Kg7 53.a8N Ba8 54.Ra8 Re4 55.Kf3 Rg4=) 53.Rf5=+ Kg7 54.Ra5 (54.Rb5 Rg3 55.Ra5 Ba8=+) 54...Bb7 (54...Ba8 55.Ke3=+) 55.Rc5 (55.a8Q Ba8 56.Ra7 Kg6 57.Ra8 Rf4=) 55...Kg6=+ Attacks the isolani on g5 56.Ra5 (56.Rb5 Bh1 57.Ra5 Ba8–/+) 56...Rg5 (56...Rg2 57.Ke3=) 57.a8Q= Ba8 (57...Rg2 58.Kf1 Ba8 59.Ra8=) 58.Ra8 ½–½. Gall,Toni Peter (1745) – Jersic,Aleks (1685), 4th Krk Golden Island Op, 2016.

8.a4 a6 9.Nbd2 ab5 10.ab5 dc4?? (better 10...Ra5 11.Bc3 Ra1 12.Qa1 Qc7+=) 11.Ra8+– (11.Ra8 Bb5 12.Bc4 Bc4 13.Nc4+–) 1–0. Gdds – Kolstec, internet, 2019.

8.Qc2 cd4 (8...Qa5 9.Qd2 Qc7 10.dc5 Rd8 11.cd5 Nd5 12.Be5 Qc5=) 9.Bd4 Qa5 10.Qd2 Bb4 11.Bc3 Bc3 12.Qc3 (12.Nc3= dc4=) 12...Qd8=.

8.Nc3 A) 8...Qa5 A1) 9.cd5 cd4 10.Qd4 Nd5 11.e4 Bf6 (11...Nc7 12.Nd2= f6=) 12.e5 Be7=; A2) 9.dc5 Bc5 10.Qa4 Qb4 11.Qb4 Bb4 12.a3 Ba5=; B) 8...cd4 9.Qd4 Qa5 10.Ne5 Rc8 11.Be2 Bd6 12.0-0 Be5=.

8.dc5 Bc5 9.Nc3 (9.Qc2 Qe7 10.Bd3 Rc8 11.0-0 Bd6 12.Bf6=+ Qf6=+) 9...Qa5 10.Qa4 Qb4 11.Qb4 Bb4 12.a3 Ba5=.

8.Nbd2 cd4 (8...a6 9.Qa4 dc4 10.Bc4 cd4 11.Nd4 Nd5 12.Bd5 ed5=; 8...b6 9.dc5 bc5 10.Rb1 Qa5 11.Qc2 Ne4 12.Bd3 f5+=) 9.Bd4 a6 10.cd5 Nd5 11.e4 Nf6 12.Qa4 Ne8=.

8.Bd3 dc4 9.Bc4 cd4 (9...a6 10.a4=) 10.Nd4 (10.Bd4 a6=) 10...Bb4+= 11.Nc3 (11.Nd2 Ne4 12.N4f3 Nd6+=) 11...Ne4 (better is 11...Bc3 12.Bc3 Qc7–+) 12.Rc1= e5 (better is 12...Qa5 13.Qd3 Nc5+=) 13.Nde2 (13.Nf3 Qa5 14.Qb3 Nc5–/+) 13...a6 (13...Qh4 14.g3 Ng3 15.Bf7 Rf7 16.Ng3 Bb5 17.a3 Bc3 18.Rc3–+) 14.a4 (14.0-0 Nd6 15.Qb3 Nc4 16.Qc4 Bc3 17.Qc3 Re8=) 14...Qg5 (14...ab5!? 15.Bb5 Bb5 16.ab5 Qd1 17.Rd1 Ra2–/+) 15.0-0+= White gets in control 15...Bc3 (15...Bh3 16.Ng3 Ng3 17.hg3 ab5 18.ab5+=) 16.Bc3 (better is 16.Nc3 Nc3 17.Bc3 ab5 18.ab5+=) 16...Rd8? (better is 16...ab5 17.ab5 Bg4=) 17.Qd5+/– Nd6 18.f4 (18.Qd6!? Bh3 19.Qd8 Qd8 20.gh3 ab5 21.Bb5+–) 18...Qg6 19.Be5 Be6 20.Qd4 Bc4 21.Rc4 Nc6 (21...ab5 22.ab5 Nc6 23.bc6 Nc4 24.cb7 Rab8 25.Qc4 Rb7+–) 22.bc6 Nf5?? (22...Nc4 23.cb7 Rab8 24.Qc4 Rb7+–) 23.Qb6 (23.Qe4 bc6 24.Rc6 f6+–) 23...Nh4 24.g3 Qe6 25.Rc2 Qf5 26.c7 Rdc8 27.Rd1 Nf3 28.Kg2 Ne1 29.Kf1 h6 30.Nd4 Qe4 31.Re1 (31.Re1 f6 32.Qe6 Kh7 33.Qf5 Qf5 34.Nf5 fe5 35.Ne7 ef4 36.gf4+–) 1–0. Hasler,Ulrich – Verges,Joaquim, corr Switzerland, 1985.

8.cd5 Nd5 9.Nc3 (9.e4 Nf6 10.dc5 Ne4 11.Qd4 Qa5 12.Nbd2= Nf6=) 9...cd4 10.Nd5 ed5 11.Qd4 Bf6 12.Qd2 a6+=.

8.Ne5 A) 8...Qb6 9.Nc3 cd4 10.Qd4 Bc5 11.Qd2 Bb4 12.a3 Ne4=; B) 8...a6 9.cd5 Nd5 10.ba6 Na6 11.Nd7 Qd7 12.Nc3=+ (12.a3 cd4=+) 12...Rfd8=+; C) 8...Ne4 9.Nd2 Qa5 10.dc5 Bc5 11.a3 Bd6 12.Bd3 Nc3=+.

8.0-0 a6 9.a4 Ne4 10.d4 (10.d3 Nf6+=) 10...dc4 (10...Bf6 11.Nc3 Nc3 12.Bc3+=) 11.Bc4 (11.Qc2 Nf6 12.Bc4 cd4 13.Bd4 ab5 14.ab5 Ra1 15.Ba1 Qc7+=) 11...Nd6 (11...ab5 12.ab5 Ra1 13.Ba1=) 12.Qb3 (12.Be2 ab5 13.dc5 Nc4+=) 12...Nc4 13.Qc4 ab5 14.ab5 Ra1 15.Ba1 Qa5 16.Nc3 Rc8 17.d5 (17.dc5 Bc5 18.Qg4 f5=) 17...Bf6 18.de6 (18.Rb1!?=) 18...Be6+= (worse is 18...fe6 19.Rb1+=) 19.Qa4?? (better is 19.Qd3+=) 19...Bc3–+ 20.Qa5 Ba5 21.Be5 Nd7 22.Bd6 (22.Rc1 Ne5 23.Ne5 c4–+) 22...c4 (22...Bc4!? 23.Rb1–+) 23.Ra1 Bb6 24.Ne1 c3 25.Rc1 h6 26.Kf1 Bc4 27.Kg1 Bb5 28.Nc2 Bc5 29.Bf4 Bd3 30.Ne1 Bc4 31.Rc3 Bb4 32.Rc1 Be1 33.Re1 b5 34.Bd6 Nc5 35.f4 Nd3 36.Rb1 b4! 37.Bb4 Rb8 (37...Rb8 38.g4 Rb4 39.Rb4 Nb4–+) 0–1. Huovinen,Jouni – Koskinen,Mika, FIN–chT, 2000.

8.0-0 a6 9.Qa4 Qb6 (9...dc4 10.Nc3 Qb6 11.Qc4 ab5 12.Nb5= Bc6=) 10.Na3 dc4 11.Qc4 ab5 12.Nb5 Bc6=.

8.0-0 Re8 9.d4 a6 10.a4 cd4 11.Nd4 dc4 12.Bc4 Bc8 (12...ab5 13.ab5 Ra1 14.Ba1=) 13.Nd2 Qb6 (13...Bd6 14.Qb3+=) 14.Be2 Nbd7 15.Bf3 (15.a5 Qc7+=) 15...Nc5 (15...e5 16.a5 Qd8 17.ba6 Ra6= (worse 17...ed4 18.ab7 Bb7 19.Bb7 Ra5 20.Bd4+/-)) 16.Nc4+= Qd8 17.h3 (17.Qc2 Bd7+=) 17...Qc7 (17...Bf8 18.Nc2+=) 18.Rc1 ab5? (18...e5 19.b6 Qd7 20.Ne5 Qa4 21.Nc4+=) 19.ab5?? (better 19.Nb5 Qd8 20.Ncd6+-) 19...Ra2 20.Ra1 (20.Qc2 Nd5+=) 20...Ra1= 21.Qa1 b6? (better 21...Nd3 22.Be2 Nb2 23.Qb2 e5=) 22.Nc6+/- Bf8 (22...Ncd7!?+/-) 23.Be5+- Qd7? (better 23...Qb7 24.Bf6 gf6 25.Qf6 Qc7+-) 24.Rd1 (24.Nb6 Qd3 25.Bf6 gf6 26.Qf6 Qg6 27.Qg6 hg6 28.Nc8 Rc8+-) 24...Nd5 (24...Qb7 25.Bf6 gf6 26.Qf6+-) 25.e4 f6 26.Bb2 Nb3 (26...Ne4 27.Be4 Qc7 28.Qb1+-) 27.Qa2 Nb4 (27...Na5 28.Nb6 Qb7 29.Nc8 Nc6 30.bc6 Qc6 31.ed5 Qc8 32.de6 Kh8+-) 28.Qb3 Qf7 29.Bc3 (better 29.Nb4 e5+-) 29...Nc6 30.bc6 Bc5 (30...e5 31.c7 Be7 32.Qb5+-) 31.Bb4 e5 32.Bc5 bc5 33.Qb5 (better 33.Rd5 Be6 34.Nd6 c4+-) 33...Be6 (33...Rf8+-) 34.Nd6 Rb8 (34...Qe7 35.Ne8 Qe8 36.Qb6+-) 35.Nf7 (better 35.Qb8 Qf8 36.Ne8+-) 35...Rb5 36.Nd6 (36.Bg4!? Bg4 37.hg4 c4+-) 36...Rb6 37.Nf5 (better 37.c7 Rc6 38.Nb5+-) 37...Rc6 (37...Kf7 38.Rd6 c4 39.Ng7 Kg7 40.Re6 Rb1 41.Kh2 Rb5 42.Re7 Kg6+-) 38.Ne7 Kf7 39.Nc6 c4 (39...Bb3 40.Rc1+-) 40.Nd8 Ke7 41.Ne6 (41.Ne6 Ke6 42.Rc1+-) 1-0. Pi13 (2135) - ClayPigeons (2185), Rated Bullet game, lichess.org, 2021.

8.Qa4 a6 (8...Na6 9.d3 Nc7 10.Qb3 b6 11.0-0 a6 12.a4 Bd6=) 9.0-0 Qb6 (9...dc4 10.Nc3 Qb6 11.Qc4 ab5 12.Nb5 Bc6=) 10.Na3 dc4 11.Qc4 ab5 12.Nb5= Bc6=.

8.Nc3 Qa5 9.Ne5 Qc7 10.Nd7 Nbd7 11.cd5 ed5 12.Rc1 Bd6=.

8.Nc3 a6 9.0-0 (9.Qa4 Qb6 10.Ne5 d4 11.Nd1 Ra7 12.Qb3 ab5=) 9...ab5 10.Nb5 dc4 11.Bc4 Nc6 12.Rb1 (12.d3= Na5=) 12...Nb4=.

8.Nc3 dc4 9.0-0 a6 10.Bc4 ab5 11.Nb5 Nc6 12.Rb1 Nb4=.

7.a4 Be7 8.d3 cd3 9.Bd3 0-0 10.0-0 a6 11.Nbd2 ab5 (better is 11...Bc8!?+=) 12.ab5+/– Ra1 13.Qa1 Qb6 14.Qd4 Bc5 (better is 14...Qd4!? 15.ed4 Ng4+/–) 15.Qh4+– Ne4?! (15...Rc8+–) 16.Ne4 de4 17.Qe4 f5 (17...g6 18.Qf4 f6 19.Bb8+–) 18.Qf4 Qd8 19.e4 fe4 (19...g5 20.Ng5 (20.Qg5?! Qg5 21.Ng5 Be7+–) 20...Be7 21.Nf3+–) 20.Qe4 g6 21.Qb7 Qb6 22.Qb6 Bb6 23.Ra1 g5 24.Ra8 g4 25.Ng5 Bf2 26.Kh1 h6 (26...Rc8+–) 27.Bh7# (27.Bb8?! hg5 28.c4 Bc5+/–) 1–0. COMP – NN, 2003.

7.Nc3 a6 8.ba6 Na6 9.Be2 Be7 10.d3 cd3 11.cd3 0-0 12.Rb1 Qc8 13.0-0 Nc5 14.Rc1 Bc6 15.d4 Ncd7 16.Bf4 Qd8 17.Ne5 Ne5 18.Be5 Nd7 19.Bf4 Qa5 20.Qd3 Nb6 21.Rc2 Nc4 22.Rfc1 Ba4 23.Na4+= Qa4 24.e4 b5 25.ed5 ed5 26.Bf3 Rad8 27.Bd1 Qa6 28.Bg4 Ba3 29.Rb1 Bd6 30.Bd6 Rd6 31.Re1 g6 32.Rce2 Rdd8 33.Bf3 Qa3 34.Qa3 Na3 35.Re5 Nc2 36.Rd1 Nb4 37.a3 Nc2 38.Bd5 Na3 39.Kf1 b4 40.Ke2 Nc2 41.Kd3 b3 42.Kc3+– 1–0. b4_player (1885) – MarvinPA (2060), GameColony.com, 2002.

7.a4 0-0 8.Nd3 (8.Be2!?=) 8...c4 9.Nc1 (9.Ne5!?-/+) 9...a6 10.ba6 (10.Nc3 ab5 11.Nb5 Bb5 12.ab5 Ra1 13.Ba1 Nbd7-+) 10...ba6 (10...Na6 11.Nc3-+) 11.d3 cd3 12.Bd3 Nc6 13.h4 Ne5 14.Be2 h6 (14...Ne4 15.Nb3-+) 15.g4 (better 15.Nd2-+) 15...Ne4 16.f3 (16.Nd2 f5 17.Ncb3 Nd2 18.Qd2 fg4-+) 16...Ng3 (better 16...Qa5 17.Kf1 Ng3 18.Kg2 Nh1 19.Nb3-+) 17.Rh2 (17.Rh3 Ne2 18.Ne2-+) 17...Ne2 18.Qe2 Nc4 (better 18...Nf3 19.Qf3 Bh2 20.Qh3-+) 19.Bg7 (19.Bd4 Qc7 20.Rf2-+) 19...Kg7 20.Rg2 (20.Rh3 Rb8 21.Nb3 Qc7-+) 20...Qh4 21.Kd1 (21.Rf2 Bc5-+) 21...Nb2 (better 21...Qh1 22.Qe1 Qg2 23.Ne2 Ne3 24.Kc1-+) 22.Kd2 Qf6 (better 22...Rab8 23.Nb3 Nc4 24.Kd3-+) 23.Nc3 (23.Nb3 Nc4 24.Ke1-+) 23...Bb4 24.N1a2 Bc3 25.Nc3 Rfc8 (25...Nc4 26.Kd3 Rac8 27.Qf2 Ne3 28.Ra3-+) 26.Nd1 (26.Nd5 ed5 27.Ke1 Nc4-+) 26...Nc4 27.Kc1 Qa1 0-1. hamidrezaderakhshan (1715) - flojd (1735), lichess.org, 2020.

7.Nd7 Nbd7 8.a4 Qe7 9.c4 0-0 10.Be2 a6 11.0-0 ab5 12.ab5 Nb6 13.Ra8 Ra8 14.Qc2 Qf8 15.cd5 Nbd5 16.e4 Nb4 17.Qb3 Ne4 18.Bf3 f5 (18...Ng5–/+) 19.Nc3?? (better is 19.Be4 fe4 20.Qe6 Kh8 21.Qe4=) 19...Nd2–+ 20.Qd1 (20.Qe6 Kh8 21.Rd1 Re8–+) 20...Bf4 21.g3 Bh6 (21...Nf1?! 22.gf4 Nh2 23.Kh2–/+) 22.Re1 (22.Bb7 Rd8–+ (22...Nf1?! 23.Ba8 Qa8 24.Qf1=+)) 22...Rd8 (better is 22...Nd3 23.Bb7 Nb2 24.Qe2–+) 23.Kg2? (23.Re6 Nd3 24.Bd5 Nb2 25.Re8 Rd5 26.Rf8 Kf8=+) 23...Qd6 (better is 23...Nd3 24.Bb7 Nb2–+) 24.Ne4?? (24.Be2–+) 24...fe4 25.Be4 (25.Be2 Qf8 26.Rh1 Nc4 27.Qd8 Ne3 28.fe3 Qd8–+) 25...Ne4 26.Qd6 Nd6 27.Re6 Nc4 28.Re7 (28.Bc3 Nd5 29.Ba1 Na3–+) 28...Nb2 29.Rb7 c4 30.Rc7 Rd3 (better is 30...Rb8 31.f4–+) 31.b6 Na6 32.b7 (32.Ra7 c3 33.f4 c2 34.Ra8 Kf7–+) 32...Rd8 (better is 32...Rb3!? 33.Rc6 c3 34.h3–+) 33.Rc8 Bg5 34.Rd8 (34.h3–+) 34...Bd8 35.h4 Nb8 36.Kf3 c3 37.Ke3 Na4 (better is 37...Ba5–+) 38.Kd3 Kf7 (38...Nc6 39.Ke2–+) 39.Kc2 (39.f4 Na6 40.Ke2 Bc7–+) 39...Ke7 (39...Nc6!? 40.b8Q Nb8 41.Kb1–+) 40.Kb3 Kd7 41.f4 Kc7 42.g4 Kb7 43.g5 Kc6 (better is 43...Nc6 44.g6 Nd4 45.Kc4–+) 44.f5 Kd5 45.g6 hg6 46.fg6 Bh4 47.Ka4 Nd7 48.Kb3–+ Kd4 49.Kc2 Ne5 50.Kb3 Ng6 51.Kc2 Ne5 52.Kd1 Kd3 53.Kc1 Bg5 54.Kb1 c2 55.Ka2 c1Q 56.Kb3 Qb1 57.Ka4 Kc4 58.Ka5 Qb5 0–1. OPA – finlandiaflies, Live Game Caissa's Web, 2004.

7.Nd7 Nbd7 8.c4 0-0 9.Na3 Nb6 (9...Be5 10.d4 cd4 11.ed4=+) 10.Be2= Qc7 11.f4 dc4 (11...d4 12.0-0=+) 12.Nc4 Nc4 13.Bc4 b6 (13...Be7 14.0-0=) 14.0-0 e5 15.a4 ef4 (15...Rfe8 16.a5+=) 16.ef4 (better 16.Bf6 gf6 17.Qg4 Kh8 18.Qh4+/-) 16...Bf4= 17.g3 (17.Bf6 Bh2 18.Kh1 gf6 19.Ra3+=) 17...Be5-/+ 18.Be5 Qe5 19.Rf3?? (better 19.d3-/+) 19...Qd4-+ 20.Rf2 (20.Re3 Qc4 21.Qc1 Qd4-+) 20...Qc4 (20...Ne4!? 21.Qf1 Nf2 22.Kg2-+) 21.d3 (21.Rc1 Qd4 22.Kg2 Rad8-+) 21...Qd4 22.Rc1 (22.h3 Rfd8 23.Qf1 a6 24.ba6 Ra6-+) 22...Rfd8 (better 22...Ng4 23.Rcc2-+) 23.Rc4 (23.Qb3 Ng4 24.Qf7 Kh8-+) 23...Qd3 (better 23...Qc4! 24.dc4 Rd1 25.Rf1 Rad8-+) 24.Qd3 Rd3 25.Kg2 Rad8 26.h3 (26.Rf3 Rd2 27.Rf2 Rf2 28.Kf2 Rd2 29.Kg1 h5-+) 26...Rd2 (26...Ra3 27.Rcf4-+) 27.Kf3 Rf2 (27...R2d4 28.Rd4 Rd4 29.Ra2-+) 28.Kf2 Rd4 29.Rd4 cd4 30.Ke2 (30.Kf3 h5-+) 30...Nd5 (better 30...Ne4!? 31.Kd3 Ng3 32.Kd4 Ne2 33.Kc4-+) 31.Kd3 Nb4 (31...Ne3 32.Ke4-+) 32.Kc4 (32.Kd4 Na2-+) 32...Nc2 (32...d3!? 33.Kc3-+) 33.Kd3 Ne1 (33...Ne3!? 34.Ke4-+) 34.Kd4 Nf3 35.Ke3 (35.Kd5 f5-+) 35...Ng5 36.h4 Ne6 37.Ke4 Kf8 (better 37...Nc5!? 38.Kd4-+) 38.Kd5 Ke7 39.Kc6 Kd8 (39...Nc5 40.Kc7-+) 40.Kb7 (40.h5 f5 41.Kb7 Nc5 42.Kc6 Na4-+) 40...Nc5 41.Ka7 Na4 42.Ka6 Kd7 43.Ka7 Kd6 44.Kb7 Kc5 45.Kc7 Kb5 46.Kd7 (46.Kd6-+) 46...Kc5 47.Ke7 b5 48.Kf7 b4 49.Kg7 b3 50.Kh7 b2 51.Kh6 b1Q 52.g4 Qb6 53.Kh7 Qc7 54.Kh6 Qd6 55.Kh5 Qe5 (55...Nb6 56.g5 Nd5 57.Kg4 Qf4 58.Kh5 Ne7 59.Kh6 Qf7 60.h5 Nf5) 56.g5-+ Qg7 57.Kg4 Kd5 58.h5 (58.Kg3 Ke4 59.g6 Qc3 60.Kg4 Qf3 61.Kg5 Qf4 62.Kh5 Kf5 63.g7 Qg4 64.Kh6 Qh4) 58...Ke5 (58...Qd7 59.Kg3 Ke4 60.g6 Qd3 61.Kh2 Kf3 62.g7 Qe2 63.Kh3 Qg2 64.Kh4 Qg3) 59.g6 (59.Kg3 Nc3 60.Kg2 Qg5 61.Kf2 Ne4 62.Kf3 Qd2 63.h6 Kf5 64.h7 Qf2) 59...Nc5 60.Kg5 (60.h6 Qg6 61.Kf3 Qd3 62.Kg4 Qf5 63.Kg3 Ne4 64.Kg2 Qf2 65.Kh3 Qg3) 60...Ne4 61.Kg4 (61.Kh4 Qf6 62.Kh3 Qf2 63.h6 Qg3) 61...Qh6 62.Kf3 Qh5 (62...Qf4 63.Ke2 Qd2 64.Kf3 Qf2 65.Kg4 Qg3) 63.Ke3 Qg5 (63...Qh2 64.g7 Qd2 65.Kf3 Kf5 66.g8Q Qf2) 64.Kd3 Qg6 (64...Kd5 65.Kc2 Qd2 66.Kb3 Nc5 67.Ka3 Qc3 68.Ka2 Qc2 69.Ka3 Qb3) 65.Kc4 (65.Kc2 Kd4 66.Kb3 Nc5 67.Kb2 Qg2 68.Ka3 Qc2 69.Kb4 Qa4) 65…Qd6 (65...Qd6 66.Kb3 Qd5 67.Kb4 Qd3 68.Ka4 Qc4 69.Ka3 Nc5 70.Kb2 Nd3 71.Ka3 Qc3 72.Ka4 Qb4) 0-1. Atotheking (1805) - philippe250 (1880), lichess.org, 2021.

7.Be2 0-0 8.0-0 c4 9.a4 a6 10.Nd7 Nbd7 11.ba6 (11.Nc3 ab5 12.Nb5 Be5 13.Be5 Ne5=) 11...Ra6 12.Nc3 Nc5 Attacking the isolated pawn on a4 13.d4 (13.d3 Qb6 14.Rb1 Rd8=) 13...cd3 (13...Qb6!? 14.Qc1 Nce4–/+) 14.cd3= Ra8 (14...Rc6 15.Nb5 Be7 16.a5=) 15.Nb5+= Be7 16.Bc3 Qd7 17.d4 Nce4 18.Be1 (18.Qb3 Rfc8=) 18...Rfc8 19.Bd3 Nd6 20.Rb1 Nfe8 (20...Nc4 21.Qb3=) 21.Qb3 Rab8 (21...Nc4 22.Bb4=) 22.Na7 Rc7 23.Bb5 (23.Bb4!?+=) 23...Nb5= 24.Nb5 (worse 24.Qb5 Ra8 25.Qd7 Rd7–/+) 24...Rc4 25.Bd2 Nd6 26.Ra1 (26.Nd6 Bd6 27.a5 Bc7=) 26...Ne4=+ 27.Be1 h6 (27...Rbc8 28.Na7 R8c7 29.Nb5=+) 28.f3 Nd6 29.Bd2 (29.Bg3 b6=) 29...Nb5 30.ab5 Rbc8 31.b6 Rc2 32.Rfd1 Qd6 33.Be1 Bd8 34.Rab1 (34.Ra7 Qb6 35.Qb6 Bb6 36.Rb7 Bc7=+) 34...R8c6 (34...Qc6 35.Rd3–/+) 35.Bg3 (better 35.Bb4!? Qb8 36.Bc5=) 35...Qe7 36.Re1 (36.Qa4 R2c3–/+) 36...R2c4 37.Qb5? (better 37.Ra1–/+) 37...Rb6–+ (37...Bb6?! 38.Ra1–/+) 38.Qb6 Bb6 39.Rb6 Rb4?? (better 39...Qa3 40.Kf2 Rc2 41.Re2 Qd3 42.Rc2 Qc2 43.Ke1 Qd3–+) 40.Bd6+= Qd8 41.Rb4 Qd6 42.Rb7 Qa3 43.Rb8 (43.Kf2 Qc3+–) 43...Kh7+= 44.Rbb1 h5 45.Re2 Qd3 46.Rbb2 g5 47.Kf2 g4 48.Rb7 Kg6 49.Rb8 f5 50.Rb6 (50.fg4 fg4 51.Rg8 Kh6=) 50...Kf6 51.fg4 hg4 52.Rb8 Kf7 (52...Kg6 53.Rb4=) 53.Reb2 Kf6 54.Rc8 Qe4 55.Rd2 Kf7 56.Rd1 f4 57.ef4 Qf4 58.Kg1 Qe3 59.Kh1 g3 (59...Ke7 60.Rc7 Kf6 61.Ra7=) 60.h3 (60.hg3 Qg3 61.Rc2 Qe3=) 60...Qe2 (60...Ke7 61.Ra8=) 61.Rdc1 (61.Rcc1 Qe3=) 61...Qe3 (61...Qd2 62.R8c7 Kg6 63.R7c6=) 62.R8c3 (62.Rf1 Ke7 63.Rd1 Kf7=) 62...Qd4 63.Rg3 e5 (63...Qd2 64.Rf3 Ke7 65.Rff1=) 64.Rf1+= Ke6 65.Rg6 Ke7 66.Rb1 Qd3 67.Rb7 Kf8 68.Rc6 Qf1 69.Kh2 Qf4 70.Kg1 Qd4 71.Kh2 Qf4 72.Kg1 Qe3?? (72...Qd4 73.Kh1 Qa1 74.Kh2 Qa8+–) 73.Kh1 (73.Kh1 Qe1 74.Kh2 Qh1 75.Kh1 d4 76.Rc8) 1–0. Gilkarste – drexsau, ChessWorld.net, 2003.

6.a3 A) 6...a6 A1) 7.Nc3 e5 (7...Bd6 8.Be2 e5 9.ba6 ba6+=) 8.Rb1 Bd6 9.ba6 ba6+=; A2) 7.Be2 Bd6 (7...ab5 8.Nc3 c4 9.Nb5 Qa5=) 8.0-0 0-0 9.Nc3 e5+=; A3) 7.ba6 ba6 8.Nc3 e5 9.Rb1 Rb8+=; A4) 7.a4 Bd6 8.Be2 ab5 9.ab5 Ra1+=; B) 6...Be7 B1) 7.Be2 Qc7 (7...Bd6 8.c4 dc4 9.Bc4 Nb6=; 7...a6 8.Ra2 ab5 9.Bb5 0-0+=; 7...0-0 8.0-0 Bd6 9.d4 a6=) 8.0-0 0-0 9.Ra2 e5+=; B2) 7.Bd3 Bd6 (7...0-0 8.0-0 Qc7 9.Nc3 e5+=; 7...c4 8.Be2 Qb6 9.a4 a6+=; 7...Qc7 8.0-0 e5 9.Nh4 c4+=; 7...a6 8.ba6 ba6 9.c4 Rb8+=) 8.0-0 e5 9.Nh4 e4+=; B3) 7.c4 0-0 (7...Nb6 8.cd5 ed5 9.Be2 0-0=; 7...a6 8.d4 0-0 9.cd5 Nd5+=; 7...Bd6 8.d4 0-0 9.cd5 Nd5=) 8.d4 a6 9.cd5 Nd5+=; C) 6...Bd6 C1) 7.Be2 0-0 (7...e5 8.0-0 0-0 9.d3 Qc7+=; 7...a6 8.Nc3 e5 9.ba6 ba6+=) 8.0-0 e5 9.Ng5 a6–/+; C2) 7.Nc3 e5 (7...0-0 8.d4 c4 9.Be2 a6+=; 7...Qc7 8.d4 0-0 9.Be2 a6+=) 8.d3 0-0 9.Be2 Re8+=; C3) 7.c4 0-0 (7...a6 8.d4 0-0 9.cd5 ed5+=) 8.d4 cd4 9.Bd4 e5+=.

6.Nc3 e5 7.Be2 e4 8.Ng5 Nb6 9.d3 h6 +=.

6.d4 c4 7.Nbd2 Qa5 8.a4 c3 9.Nb3 cb2 10.Na5 Bb4 11.Nd2 ba1Q 12.Qa1 Ba5 13.Bd3 0-0 14.Ke2 (14.c4 dc4 15.Bc2 Bd2 16.Kd2 a6–+) 14...Bd2 (14...Bc7 15.Kd1–+) 15.Kd2–/+ Nb6 16.f3 (16.a5 Nc4 17.Ke1 Ne4–/+) 16...Bd7 (16...Nc4 17.Bc4 dc4 18.Qc3–/+) 17.Qa2 (17.Ke1 Nc4 18.Bc4 dc4–/+) 17...Rac8–+ 18.Rb1 Nc4 19.Bc4 Rc4 20.c3 (20.a5 Rfc8–+) 20...Rfc8 21.Qa3 Rc3 (better 21...a6!?–+) 22.Qc3–/+ Rc3 23.Kc3 Kf8 24.Kb4 Ke7 25.Rc1 Kd6 26.a5 Ne8 27.b6 a6 (27...ab6 28.ab6 e5 29.de5 Ke5 30.h3–/+) 28.Kc3 f5 29.h3 Bb5 30.Kd2 (30.g4 g5–/+) 30...Bc4 31.f4 (31.g3 e5–/+) 31...Nf6 32.Ke1 Kc6 (32...Ne4 33.g4–/+) 33.Rb1 h5 34.Kf2 Ne4 35.Ke1 Nd6 36.Kf2 h4 37.Ke1 Bd3 38.Rc1 Nc4 39.Kf2 Kb5 40.g3? (40.Rc3 Be4 41.Rc1 Ka5 42.Rg1–+) 40...hg3 41.Kg3 Ka5 42.Kf2 Kb6 43.Rg1 a5 44.Rg7 a4 45.h4 (45.Rg6 a3 46.Rg1 a2–+) 45...a3 46.Rg1 (46.Rg6 a2 47.Re6 Kb5–+) 46...a2 47.Ra1 Bb1 48.h5 Nd6 (48...Kc6 49.Ke2–+) 49.h6 Nf7 (49...Ne4!? 50.Ke2–+) 50.h7 Kc7 (50...Kc7 51.Ke2 Kd6–+) 0–1. Labahn,Thomas – Gradl,W, Gersfeld, 1989.

6.d4 cd4 7.ed4 Bb4 8.Nbd2 Ne4 9.Bd3 Nd2 10.Nd2 Bd2 (better is 10...Qa5+=) 11.Qd2+/– (11.Kd2?! Nf6+=) 11...b6 (11...0-0 12.0-0+/–) 12.c4 (12.Ba3!?+/–) 12...dc4+= 13.Bc4 0-0 14.0-0 Bb7 15.Rac1 (15.Rfc1 Nf6+=) 15...Nf6 (15...a6 16.f3+=) 16.Rfd1 (16.f3 Rc8+=) 16...Bd5 (16...a6 17.a4+=) 17.Qb4 (17.Bd3 Qd7+=) 17...Rc8 (17...Bc4 18.Qc4 Nd5 19.Qa4=) 18.f3 (18.Bd3 Qd7=) 18...Bc4= 19.Rc4 Rc4 20.Qc4 Nd5 21.Rc1 (21.Qd3 Qd7=) 21...h6 ½–½. Lunin,Mikhail – Ershov,Aleksey, Zhukovskiy_0211b, 2011.

6.d4 Bd6 7.Be2 0-0 8.0-0 b6 9.Nbd2 Bb7 10.Ne5 Qc7 11.f4 Rac8 (11...c4 12.Ndf3+=) 12.Rc1 Ne4 13.Ne4 de4 14.c4 Rcd8 15.Qe1 f6 16.Bg4 (better is 16.Nd7!? Qd7 17.Qg3+=) 16...fe5+= (worse is 16...Ne5 17.fe5 fe5 18.Be6 Kh8 19.d5+=) 17.Be6 Kh8 18.fe5 Ne5 19.de5 Be5 20.Be5 Qe5 21.Bd7 Bc8 22.Bc8 Rc8 ½–½. Walzer,Heinz (1905) – Rubel,Julian (1875), Rhein Main op 7th, 2004.

6.Ke2 Qb6 7.a4 a6 8.c4 dc4 (8...ab5 9.ab5 Ra1 10.Ba1 Bd6-/+) 9.Qc2 (better 9.Na3!?=+) 9...ab5-+ 10.ab5 Ra1 (10...Qb5?? 11.Ra8 Nb6 12.Ra2+-) 11.Ba1 Qb5 12.Nc3 (12.Kd1!?-/+) 12...Qa6 13.Bb2 (13.Qb2 Nd5-+) 13...Nd5 (13...b5 14.Ne4-+) 14.g3 (14.Nd5 ed5 15.Kd1 b5-+) 14...Nb4 15.Qb1 Nd3 (15...b5 16.Ke1-+) 16.Ne1 N7e5 17.f4 Nb2 (17...Ne1 18.Ke1 Nd3 19.Bd3 cd3 20.e4-+) 18.Qb2 (18.fe5 Na4-+) 18...Nd3 19.Nd3 cd3 20.Kf2 b6 (better 20...c4!?-+) 21.Bg2-/+ c4?? (better 21...Qa5-/+) 22.Nb5 (22.Ra1 Qa1 23.Qa1 Bd7+-) 22...Kd8?? (better 22...c3 23.Qc3 Ke7+/-) 23.Ra1+- Qa1 (23...Bc5 24.Ra6 Ba6 25.Na7+-) 24.Qa1 Bc5 25.Qg7 Rf8 26.Qf6 (worse 26.Qh7 Bd7 27.Na7 Ke7+-) 26...Kd7 27.f5 (27.Qc3 Ba6 28.Na7 h6+-) 27...Ba6 28.fe6 (better 28.Na7 h6 29.Ke1 ef5 30.Qf5 Kc7 31.Qe5 Kd7 32.Bh3 f5 33.Bf5 Rf5 34.Qf5 Kd6 35.Qg6 Kd7 36.Qh6+-) 28...fe6-+ 29.Qf8 Bf8 30.Nd4 Kd6 31.Be4 e5 32.h4?? (32.Nf3 h6 33.Ke1-+) 32...ed4 33.ed4 Bg7 34.g4 (34.Bh7 Bd4 35.Ke1 Be5-+) 34...Bd4 35.Kf3 (35.Ke1 h6-+) 35...Be5 36.Bh7 (36.Ke3 b5 37.Bd3 cd3 38.Kd3 b4 39.Kc2 Bc4-+) 36...b5 37.g5 Bb7 38.Kg4 (38.Ke3 b4 39.Bf5 b3 40.Bd3 cd3 41.Kd3 Ba6 42.Ke4 b2 43.Kf3 b1Q 44.d3 Qf1 45.Ke3 Qd3 46.Kf2 Qg3) 38...Bc8 39.Kh5 Bd7 40.Kg6 Be8 (40...Be8 41.Kh6 b4-+) 0-1. Dima9000 (1980) - ClayPigeons (2075), Rated Bullet game, lichess.org, 2019.

6.Be2 g5 7.Ng5 (7.0-0 Rg8+=) 7...Rg8 8.h4 h6 9.Nh3 Rg2 10.Nf4 (10.c4 Bd6=+) 10...Rg8 11.a4 Bd6 12.Nh5 Ne4 (12...Nh5 13.Bh5 Nf6 14.Be2=+) 13.d3 Qa5 (13...Nef6 14.Nd2=+) 14.Nd2?? (better 14.Kf1!?+/-) 14...Nd2 (better 14...Nc3!? 15.Qc1 Qb4 16.Bc3 Qc3-/+) 15.Qd2= Qd2 16.Kd2 Rg2 (16...a6 17.Rhg1 Rg6 18.f4=) 17.f4 Nf8 (better 17...Ke7!?+=) 18.Rag1+/- Rg1 19.Rg1 Bd7 (19...Ng6 20.Nf6 Ke7 21.Ng8 Ke8 22.Bh5+-) 20.Bf6 (20.Nf6!? Kd8+-) 20...Be7 (20...Ng6 21.Ng7 Kf8 22.Nh5+/-) 21.Rg7 (21.Rg8 Bf6 22.Nf6 Ke7 23.Nd7 Kd7+-) 21...a6+/- 22.ba6 (22.Rg8 Bf6 23.Nf6 Ke7 24.Nd7 Kd7 25.Rg7 ab5 26.ab5+- (26.Rf7?! Ke8 27.Rb7 ba4=)) 22...Ra6 (22...ba6 23.f5+=) 23.Rg8 Ba4 24.Bg7 Bc6 25.Bh6 Ra2 (25...b5 26.f5 ef5 27.Bf3+/-) 26.Nf6 (26.e4!? de4 27.de4 Be4 28.Bf8 Bc2 29.Bb5 Kd8 30.Be7 Ke7 31.Ke3+/-) 26...Bf6+= 27.Bf8 Kd7 28.Bc5 Ba4 29.Bd1 Bh4 30.Rg7 Ke8 31.Rh7 (31.Bd4 Ke7+=) 31...Be7 32.Be7 (32.Bd4 Ba3+=) 32...Ke7= 33.e4 de4 (33...d4 34.Kc1=) 34.de4 b5 35.Kc3 Ra1 (35...Kf6 36.Rh6 Kg7 37.Rh2=) 36.Be2 (36.Bh5 Rc1+=) 36...Rc1 (36...b4 37.Kb2 Re1 38.Bd3=) 37.Bd3+= b4 38.Kb4 Bc2 39.Bc2 (39.Kc3 Bd3 40.Kd3 Rf1=) 39...Rc2 40.Rh4 Re2 41.e5 Re4 42.Kc5 f6 43.ef6 Kf6 44.Kd6 e5 45.fe5 Re5 46.Rf4 Rf5 47.Rf5 Kf5 ½-½. bjoern (2195) - peor2 (2030), Rated Blitz game, lichess.org, 2014.

6.Be2 g6 7.0-0= Bg7 8.d3 0-0 9.Nbd2 Qc7 10.c4 Nb6 (10...a6 11.ba6 ba6 12.Rb1=) 11.a4 a5 12.Rc1 dc4 13.Nc4 Nc4 14.Rc4 b6 15.Be5 Qe7 16.Ng5 (16.d4!? Nd7 17.Bg3 cd4 18.Nd4+–) 16...Bb7= 17.Bf3 Nd5 18.Bg7 Kg7 19.Ne4 Nb4 20.d4 Bd5 21.Rc3 c4 (21...Rad8 22.Qb1=) 22.Nd2+= Rac8 (better 22...Na2!? 23.Rc4 Bc4 24.Nc4 Rab8+=) 23.e4+– Na2 (23...Bb7 24.Rc4 Rfd8 25.e5+–) 24.Rc2+– Nb4 25.ed5 Nc2 (25...ed5 26.Rc1+–) 26.Qc2 c3 27.Nb3 (27.Ne4 ed5 28.Nc3 Qb4+–) 27...Qb4 28.Ra1 Rfe8 29.de6 Re6 30.Bg4 (better 30.g3!?+–) 30...f5+= 31.Bf3 (31.Be2!? Re2 32.Qe2 Qb3 33.Qe5 Kg8 34.Qd6=) 31...Qa4=+ 32.h3 (32.Ra4?? Re1) 32...Qb5 33.d5 Rd6 34.Re1 a4 (34...Qc4!?=+) 35.Nd4= Qb2?? (better 35...Qc4 36.Nc6 Ra8=) 36.Qa4?? (36.Nf5 Kf8 37.Qe4+– (37.Nd6 Qc2 38.Nc8 Qd2–+)) 36...c2–/+ 37.Nc2 Rc2?? (better 37...Qc2 38.Re7 Kg8–/+) 38.Re7+– Kf6 39.Qh4 g5 40.Qh7 Qc1 41.Kh2 (41.Bd1! Qd1 42.Kh2 Qg1 43.Kg1 Rc1 44.Kh2 Rh1 45.Kh1 Rd5 46.Qf7) 41...Qf4= 42.g3 Rf2 43.Bg2 Rg2 44.Kg2 Qd2 45.Kf1 Qd3 46.Kf2 Qd4 47.Re3 Rd5 48.Qh6 Kf7 49.Qh7 (49.Qg5?? Qd2 50.Kf3 Qd1 51.Re2 Qf1 52.Rf2 Rd3 53.Qe3 Re3 54.Ke3 Qe1 55.Re2 Qg3 56.Kd4 Qh3–+) 49...Kf6 50.Qh6 Kf7 51.Qg5?? (better 51.Qh5 Kf6 52.Qh6=) 51...Qd2–+ 52.Kf3 Qd1 53.Re2 Rd3 (better 53...Qf1 54.Rf2 Rd3 55.Qe3 Re3 56.Ke3 Qe1 57.Re2 Qg3 58.Kd4 Qh3–+) 54.Kf2+– Rd7 (54...Rf3 55.Kf3 Qf1 56.Rf2 Qh3 57.Ke3+–) 55.Qf5 Kg7 56.Qg4 (better 56.Qg5 Kf7 57.Qh5 Kg7 58.Re7 Re7 59.Qd1 Rf7 60.Ke3+–) 56...Kf8+– 57.Qb4 Kg7 (57...Qd6 58.Qd6 Rd6 59.h4+–) 58.Qc3 (better 58.Re7 Re7 59.Qe7 Kg8 60.Qe6 Kg7 61.Qe5 Kf7 62.Qc7 Kg8 63.Qb6 Qd2 64.Kf3 Qd5 65.Kf4 Qc4 66.Kg5 Qd5 67.Kh4+–) 58...Kf8?? (58...Kg6 59.Qc2 Qc2 60.Rc2+–) 59.Qc8 (better 59.Qh8 Kf7 60.Qh5 Kg7 61.Re7 Re7 62.Qd1 Rf7 63.Ke3+–) 59...Kg7+– 60.Qc3 Kf8 61.Qb4 (better 61.Qh8 Kf7 62.Qh5 Kg7 63.Re7 Re7 64.Qd1 Rf7 65.Ke3+–) 61...Kg7 62.Qg4 (better 62.Re7!? Re7 63.Qe7 Kg8 64.Qe6 Kg7 65.Qe5 Kf7 66.Qc7 Kg8 67.Qb6 Qd2 68.Kf3 Qd5 69.Kf4 Qc4 70.Kg5 Qd5 71.Kh4+–) 62...Kf8+– 63.Kg2 Rf7?? (better 63...Qd5 64.Qf3 Qf3 65.Kf3 Rf7 66.Ke4 Re7 67.Kd3 Rh7+–) 64.Re8!!+– (64.Re8 Ke8 65.Qd1+–) 1–0. Rudnik,Lukasz – Orzechowski,Krzysztof (1775), Rewal Poland, 2011.

6.Ne5 Ne5+= (6...Bd6 7.f4 0-0 (7...c4 8.Be2 0-0 9.0-0 a6+=) 8.Be2 c4 9.0-0 a6+=; 6...c4 7.Be2 (7.a4 a6 8.Nf3 Bb4 9.Bc3 Qe7+=) 7...Qc7 (7...Bd6 8.f4 0-0 9.0-0 a6+=) 8.f4 Bd6 9.Nf3 e5+=; 6...a6 7.Be2 (7.ba6 ba6 8.Be2 Bd6 9.Nd7 Bd7+=) 7...Bd6 (7...ab5 8.Bb5 Bd6 9.f4 0-0=) 8.f4 ab5 9.Bb5 0-0=) 7.Be5 Bd6 8.d4 (8.Bd6 Qd6 9.Be2 0-0=) 8...Qa5 (8...Be5 9.de5 Ne4+= (9...Nd7 10.f4+=)) 9.Nd2 (9.Qd2!? Qc7 10.Bd6 Qd6 11.dc5 Qc5 12.Bd3=) 9...Be5+= 10.de5 Nd7 11.Qh5 (11.f4 c4+=) 11...0-0 (11...c4 12.Qg5 0-0 13.a3–+) 12.c4 Qc3 13.Rd1 a6 14.Be2 (better is 14.ba6!? Ne5 15.cd5 ed5 16.Be2 Ra6 17.Ba6–+) 14...ab5–+ (14...Qe5?! 15.Qe5 Ne5 16.ba6 dc4 17.Nc4 Nc4 18.Bc4–/+; 14...Ne5?! 15.cd5 ed5 16.0-0–/+) 15.cb5 (15.cd5 ed5 16.a3 Ra3–+) 15...Ra2 (15...Qe5?! 16.Qe5 Ne5 17.Ra1–+) 16.0-0 (16.e4–+) 16...Rd2 17.Rde1 (17.Rd2 Qd2 18.Rd1 Qb2–+) 17...Qe5 18.Qe5 (18.Qf3 c4–+) 18...Ne5 19.b6 (19.f4 Ng6–+) 19...Nd7 (19...Rb2 20.f4 Nd7 21.Bf3–+) 20.Bb5 Nb6 21.Rc1 (21.Rb1 c4–+) 21...c4 22.Rfd1 (22.f4 f6–+) 22...Rd1 23.Rd1 Bd7 24.Bd7 Nd7 25.Rb1 (25.Kf1 b5–+) 25...b5! 26.Rb5 (26.Kf1 Rb8–+) 26...c3 27.Rb1 c2 28.Rc1 Rb8 (28...Rb8 29.Kf1 Rb1–+) 0–1. Hanamitsu,Itsurou (1810) – Reinhart,Kenneth M (2470), corr ICCF WSTT/3/06/3, 2006.

7.Na3 Bd6 8.c4 0-0 9.Be2 b6 10.0-0 Bb7 11.d4 Ne4 12.h3 (12.cd5 Bd5 13.Bc4 Ndf6=) 12...Rc8 13.Nd2 (13.cd5 Bd5 14.Nc4 Bc7=) 13...Ndf6 (13...Nd2 14.Qd2 cd4 15.Qd4=+) 14.Ne4 Ne4 15.Qb3? (15.cd5 Qg5=+) 15...Qg5 (15...cd4!? 16.Qd3 Nc3 17.ed4 Ne2 18.Qe2 dc4 19.Nc4 Bg2 20.Kg2 Qg5 21.Qg4 Qd5 22.Qf3 Rc4 23.Qd5 ed5–/+) 16.f4–/+ Qg3 17.Rf3 Qh4 18.Qd1 (18.Qd3 Rfd8–/+) 18...Ng3 19.Rf2 Ne2 (19...Nf5!? 20.Qd2 cd4 21.Bd4 Nd4 22.Qd4 Bc5–/+) 20.Qe2 Rfd8 21.cd5 ed5 22.Nc2 (22.dc5 Bc5 23.Bd4 Bd4 24.ed4 Re8=+) 22...c4–/+ 23.Bc3 (23.Ba3 Bc7–/+) 23...Re8 24.Qd2 Re7 25.Rf3 h5 (25...Qf6 26.Rc1–/+) 26.Qf2 Qf6 27.Rg3 Qf5 28.Rc1 f6 (28...Qd3 29.Ne1 Qe4 30.Nc2–/+) 29.Ne1 Rce8 30.Nf3? (better 30.Rf3–/+) 30...Re3–+ 31.Nh4 Qf4 32.Re3 Qe3 33.Qe3 Re3 34.Nf5 Re6 (34...Ba3 35.Ne3 Bc1 36.Kf2–+) 35.Nd6 Rd6 36.Re1 Kf7 37.Kf2 (37.Bd2 g5–+) 37...Bc8 38.Ke2 Bf5 39.Kd1 h4 40.Re3 Re6 41.Re6 Ke6 42.Be1 Be4 (42...Bb1!? 43.Kc1 Ba2 44.Bh4–+) 43.Bh4 Bg2 44.Bg3 Bh3 (44...Kd7 45.h4–+) 45.Bc7 Kf5 46.Bb6 Ke4 47.Kc2 Bd7 48.Ba5 (48.Kc3 f5–+) 48...f5 (48...Kd4 49.Bb4–+) 49.Be1 (49.Kc3 g5–+) 49...Ke3 (49...Kd4 50.Bf2 Ke4 51.Kc3–+) 50.Bd2 (better 50.Kc3–+) 50...Kd4 51.Bc3 Ke3 52.Bg7 d4 53.Kb2 (53.Kd1 c3 54.Ke1 f4–+) 53...f4 54.Bh6 (54.b6 c3 (54...Ba4 55.b7+–) 55.Kb3 Be6 56.Kc2 d3 57.Kc3 d2 58.Bd4 Ke2–+) 54...Ke4 (54...c3 55.Kb3 Be6 56.Ka3–+) 55.Bg5 (55.b6 Bc6 (55...Ba4?? 56.b7 c3 57.Kb1+–) 56.Bg5 f3–+ (56...Ba4?? 57.b7 c3 58.Kb1+–)) 55...f3 56.Bh4 Ke3 0–1. Savic,Draga (2180) – Andrijevic,M (2375), 3rd Open, Paracin SRB, 2010.

7.c4 Nb6 8.Na3 Bd6 (8...Be7 9.Be2 dc4 10.Nc4 Nc4 11.Bc4 Bd6+=) 9.Be2 Qe7 10.0-0 0-0 11.Ne5 Rd8 =.

7.c4 Nb6 8.Qc2 Be7 9.d3 0-0 10.Nbd2 Ne8 (10...Nbd7 11.Be2=) 11.d4 Nc4 (11...f5 12.Be2+=) 12.Bc4+/– dc4 13.Nc4 cd4 14.Bd4 Bf6 (14...Bb4!? 15.Ke2 e5 16.Be5 Be6+/–) 15.Rd1+– Bd4 16.Rd4 (16.ed4?! Nf6+=) 16...Qc7 17.0-0 Nf6 (17...f6 18.Qb3+–) 18.Rc1 b6 19.Nfe5 Bb7 (19...Qc5 20.Qb1 Bb7 21.Nc6 Bc6 22.bc6+–) 20.Nd6 Qc2 21.Rc2 Bd5 22.Nc6 Bc6 (22...Bb3 23.Rc3 Ba2+–) 23.bc6 (23.Rc6?! e5 24.Rd3 e4+–) 23...Ne8 24.Nb5 Nf6 (24...g5 25.c7 Rc8 26.Kf1+–) 25.c7 Nd5 26.e4 (26.Rc6 h6+–) 26...Nf4 (26...Ne7+–) 27.Nd6 1–0. marekt – skecher, gameknot.com, 2015.

7.c4 Nb6 8.d3 dc4 9.dc4 Qd1 10.Kd1 Ne4 11.Ke1 f6 =.

7.c4 Bd6 A) 8.Be2 Qe7 (8...e5 9.d4 cd4 10.ed4 e4 11.Ne5 dc4=; 8...0-0 9.d3 Qc7 10.cd5 ed5 11.0-0 Re8=; 8...Rb8 9.0-0 e5 10.cd5 Nd5 11.Nc3 Nc3=) 9.0-0 0-0 10.d4 Rd8 11.cd5 Nd5=; B) 8.d3 0-0 (8...e5 9.cd5 Nd5 10.Nbd2 0-0 11.Ne4 Bc7=; 8...b6 9.Be2 0-0 10.cd5 ed5 11.0-0 Qe7=; 8...Qe7 9.Nbd2 0-0 10.Be2 b6 11.Rc1 Bb7=) 9.Be2 Qe7 10.Nc3 Rd8 11.cd5 ed5=; C) 8.Nc3 Nb6 (8...0-0 9.d4 cd4 10.Qd4 Bb4 11.cd5 Nd5=; 8...dc4 9.Bc4 Nb6 10.Be2 e5 11.0-0 0-0=) 9.d4 0-0 10.cd5 ed5 11.dc5 Bc5=; D) 8.d4 0-0 9.cd5 ed5 10.dc5 Nc5 11.Be2 Bg4=.

7.c4 Be7 8.Qc2 (8.Be2 0-0 (8...Nb6 9.Na3 0-0 10.0-0 Bd6 11.d4 Qe7=; 8...dc4 9.0-0 0-0 10.Na3 c3 11.Bc3 b6=; 8...Qb6 9.0-0 0-0 10.d4 cd4 11.Qd4 Rd8+=) 9.0-0 b6 10.Na3 Bb7 11.Rc1 Bd6=; 8.d4 0-0 (8...cd4) 9.cd5 Nd5 10.Bd3 b6 11.0-0 Bb7=) 8...0-0 (8...Nb6 9.d3 Bd6 10.e4 Be7 11.Be2 d4=; 8...Bd6 9.Be2 0-0 10.0-0 Qc7 11.d3 dc4=; 8...b6 9.Be2 0-0 10.cd5 Nd5 11.0-0 Bb7=) 9.Nc3 (9.Be2 b6 10.cd5 Nd5 11.0-0 Bb7=) 9...Re8 (9...Nb6 10.cd5 ed5 11.Bd3 Bd6=) 10.d3 (10.cd5 ed5 11.Be2 Nb6=) 10...b6 (10...Qb6 11.cd5 Nd5=) 11.0-0-0 (11.Be2!?= Bb7=) 11...Qc7 (11...Bb7+=) 12.h3 dc4 (12...Bb7!?–/+) 13.dc4= Bb7 14.Rg1 Rad8 15.Bd3 Nf8 16.Ne4 Rd3 (better is 16...Ne4 17.Be4 Bd6=) 17.Nf6+/– gf6 (17...Bf6!? 18.Qd3 Rd8+/–) 18.Qd3+– (18.Rd3?! Be4+=) 18...Rd8 19.Qe2 Ng6 20.Rd8 Bd8 21.Rd1 Be7 22.Qd2 (22.h4 h6+–) 22...Bc8 (22...Bf3 23.gf3 Qh2 24.f4+–) 23.h4 Nf8 24.g3 (24.e4 e5+–) 24...e5 25.Qd5?? (25.Qd3 Bg4 26.Qe4 h5+–) 25...Ng6?? (better is 25...Bb7 26.Be5 Qc8–/+) 26.Qc6+– Qb8? 27.h5 Nf8 28.Nh4 Be6 29.g4! f5 30.gf5 Bh4 31.Rg1 Kh8 32.fe6 fe6 33.Qg2 Ng6+– 34.hg6 hg6 35.Qg6 (35.Qg6 Bg3 36.Rh1 Bh4 37.Rh4#) 1–0. De Visser,Arno – van der Plas, 1982.

7.d3 Bd6 8.c4 0-0 9.Be2 b6 10.Nbd2 Bb7 11.Qc2 e5 12.e4 d4 13.0-0-0 (13.Bc1 Bc7=) 13...Ne8 14.Ne1 (14.Kb1 Nc7=+) 14...f6 (14...Qh4 15.Kb1=+) 15.Bg4= Nc7 16.g3 (16.Kb1 Qe7=) 16...Qe7 (16...f5 17.Bf3=+) 17.Ng2 (17.Nef3 g6=+) 17...Rf7 (17...f5 18.Bf3=+) 18.f4 (18.f3 g6=+) 18...Kf8 (18...ef4 19.Nf4 Ne5 20.Bh5=+) 19.f5 (19.Nh4 Kg8= (worse 19...ef4 20.Nf5 Qe6 21.Nh6+/-)) 19...g6 (19...Kg8 20.Kb1=) 20.h4 (20.fg6 hg6 21.h4 f5+=) 20...gf5 (20...Rg7 21.Rh3=) 21.Bf5+= Ke8 22.Rdf1 Kd8 23.Nf3 Ne8 24.g4 Kc7 25.Qd2 Nf8 26.Qh6 Rd8 27.Kc2 Bc8 28.Bc1 Bf5 29.gf5 Kb7 30.Rfg1 Nd7 31.h5 (31.Nge1 Nf8+=) 31...Qf8 (31...Rg7!?=) 32.Ngh4 Qh6 (32...Qe7 33.Rg4+/-) 33.Bh6+/- Bf8 34.Bd2 Kc7 (34...Rg7 35.h6 Rg1 36.Rg1+/-) 35.Rg8 Rg7 36.Rg1 Rg1 37.Ng1 Bd6? (better 37...Kd6+/-) 38.Rh8+- 1-0. Mely (2195) - biohuman (2360), ChessWorld.net, 2016.

7.d4 A) 7...c4 A1) 8.Ba3 Ba3 (8...Bb4 9.c3 Ba3 10.Ra3 0-0 11.Be2 Qe7=) 9.Ra3 0-0 10.Be2 Qe7 11.0-0 b6=; A2) 8.c3 Qc7 (8...Be7 9.Ba3 0-0 10.Be2 Ba3 11.Ra3 Qe7=; 8...Ne4 9.Be2 Be7 10.Ba3 0-0 11.Be7 Qe7=) 9.Be2 e5 10.de5 Ne5 11.Ba3 Ba3=; A3) 8.Be2 Ne4 (8...Bb4 9.c3 Bd6 10.Ba3 Ba3 11.Ra3 0-0=) 9.0-0 Qc7 10.Ba3 Ba3 11.Ra3 0-0=; B) 7...cd4 8.Bd4 Qc7 (8...Bd6; 8...Bb4) 9.Nbd2 e5 10.Bb2 Bb4 11.c3 Bc3=.

7.Be2 Be7 8.0-0 0-0 9.c4 Nb6 (9...Qc7 10.cd5 ed5 11.d3=) 10.cd5 (10.d3 Nbd7=) 10...ed5 (worse is 10...Qd5 11.d4+=) 11.d4 (11.Qc2 Bd6=) 11...c4 12.Qc2 (12.Nc3 Bb4+=) 12...Ne4+= 13.Nc3 (13.Ne5 Bb4 14.Nc4 Nc4 15.Bc4 Bf5=) 13...Bf5 14.Qc1 (14.Ne4 Be4 15.Qd2 Bb4+=) 14...Bb4 15.Nd2 Nd6 16.Ra2 (16.Nf3 Qe7+=) 16...Re8 17.Qd1 (17.Rd1 Qg5–/+) 17...Qg5 18.Nf3 Qh6 19.Ne5 f6 20.Nf3 Rad8 21.Ra1 (21.Qc1 Re7–/+) 21...Ne4 22.Ne4 (22.Qc1 Nc8–/+) 22...Be4 (22...de4!? 23.Ne1 Rc8–+) 23.Rc1–/+ Bd6 (23...Nc8 24.Bc3–/+) 24.h3 (24.g3 Bb4+=) 24...Nc8 (24...Bf5 25.Re1–/+) 25.Nd2 Bg6 26.Bf3 (26.Nb1 Nb6 27.Nc3 Re7+=) 26...Bb4–/+ 27.Bc3 (27.Nb1 Bd3–/+) 27...b6 (27...Ne7 28.Bb4 ab4 29.a5+=) 28.Be2 (28.Re1 Qh4+=) 28...Nd6–/+ 29.Bf3 (29.Re1 Be4–/+) 29...Nf7 30.Qe1 (30.Re1 Ng5–/+) 30...Ng5 31.Be2 Bd6 (31...Bf5 32.Qd1–/+) 32.f4 Ne4 33.Ne4 Be4 34.Qd2 (34.Qg3 Re7–/+) 34...f5 (34...g5 35.Rce1–/+) 35.Bf3 Qe6 36.Be4 Qe4 (36...de4?! 37.d5 Qf7 38.Bd4=) 37.Rf3 Re6 (37...Rc8 38.h4–/+) 38.Qc2 Ba3 39.Bb2 Bb2 (39...Qc2 40.Rc2 Bd6 41.Kf2–/+) 40.Qb2 Qd3 (40...Rg6 41.Kh2–/+) 41.Qc3+= Qe4 42.Qc2 ½–½. Franke,Roland (1915) – Kugelmann,Werner (2100), Bahn–chT S+W, 1997.

8.0-0 e5 9.Nh4 Nb6 10.d3 0-0 11.c4 e4 +=.

8.c4 b6 9.0-0 Bb7 10.d3 Qc7 11.Nbd2 0-0-0 (11...0-0 12.cd5 Bd5 13.Qc2=) 12.cd5+= ed5 13.Qc2 Kb8 14.Rfc1 h6 15.g3 Rhe8 16.d4 c4 17.Ba3 Ba3 18.Ra3 Qd6 19.Rc3 Rc8 20.Qf5 (20.Nh4 g6+/–) 20...g6 21.Qc2 Qc7 ½–½. Del Val,J (1720) – Smith,Bri (1800), Open, Davos SUI, 2008.

8.c4 Rb8 9.d4 cd4 10.Qd4 e5 11.Qh4 e4 +=.

8.c4 e5 9.cd5 e4 10.Ng1 Nd5 11.d3 ed3 =.

8.d3 Qe7 (8...e5 9.c4 dc4 10.dc4 Qe7 11.Nc3 Rb8=; 8...Qc7; 8...0-0; 8...b6; 8...Qb6; 8...Rb8) 9.c4 0-0 10.Nbd2 b6 11.0-0 Bb7 =.

8.d4 0-0 (8...cd4 9.ed4 Bb4 10.Nbd2 Ne4 11.0-0 Nc3=; 8...Qe7; 8...Rb8) 9.dc5 Nc5 10.0-0 b6 11.Be5 Be5 +=.

7.c4 ab5 8.ab5 Ra1=+ 9.Ba1 b6 10.Nc3 Be7 (10...Bd6 11.Bd3=+) 11.d4 0-0 12.Ne5 Ne5 13.de5 Ne4 (13...Nd7 14.cd5 Ne5 15.f4=) 14.Ne4 de4 15.Qd8 (15.Qc2 Bb7=) 15...Rd8 16.Be2 f6 17.ef6 gf6 18.0-0 (18.Bc3 Rd7=) 18...f5 (18...Rd2!? 19.Bd1 e5=+) 19.h3 Kf7 (19...Rd7 20.Be5=) 20.Bh5+= Kg8? (20...Kf8 21.Bc3+=) 21.Be2?? (better 21.Be5+-) 21...Kf7= 22.Rd1 (22.Be5 Bd6 23.Rd1 Ke7=) 22...Rd1 23.Bd1 Bf6 24.Be2?? (better 24.Bf6 Kf6 25.f3=) 24...Ba1-+ 25.Kh2 (25.f3 ef3 26.Bf3 e5-+) 25...e5 26.f3 Be6 (better 26...ef3 27.gf3 f4 28.ef4 ef4 29.Bd3-+) 27.f4 (27.fe4 fe4 28.Kg3 Bc3-+) 27...ef4 (27...Bc3!? 28.fe5 Bd2 29.g3-+) 28.ef4 Kf6 (28...Bc3 29.g3-+) 29.g3 (29.Kg1 h5! 30.h4 Bf7-+) 29...Bc3 30.h4 (30.Kg2 Be1-+) 30...Be1 31.Kh3 h6 32.h5 Bc8 33.Kh4 e3 34.Kh3 Bb7 35.g4 (35.Kh2-+) 35...fg4 36.Kg4 Be4 37.Kh3 Bf5 (37...Kf5 38.Bf1 Kf4 39.Be2 Bg3 40.Bd1 Bf5 41.Kg2 Bg4 42.Kh1 Bd1 43.Kg2 e2 44.Kh3 e1Q 45.Kg2 Bh5 46.Kh3 Qf1) 38.Kg2-+ Ke6 (better 38...Bh7-+) 39.Kf1 (39.Kf3 Bd2 40.Bf1-+) 39...Bf2 40.Kg2 Kf6 (40...Be4 41.Kf1 Kf5 42.Bf3 Kf4 43.Be2 Kg3 44.Bd1 Bd3 45.Be2 Be2 46.Ke2 Kg4 47.Kd1 Kf3 48.Kc2 e2 49.Kb3 e1Q 50.Kb2 Qe2 51.Kc3 Bd4 52.Kb3 Qb2 53.Ka4 Qb4) 41.Kf3-+ Ke6 42.Kg2 Bb1 (42...Be4 43.Kf1 Kf5 44.Bd1 Kf4 45.Bf3 Bf5 46.Bh1 Bd3 47.Kg2 Bc4 48.Kh3 e2 49.Kh2 Bg3 50.Kh3 e1N 51.Bd5 Bf1 52.Bg2 Bg2) 43.Kf3 Kf5 44.Kg2 (44.Bf1 Be4 45.Ke2 Kf4 46.Kd1 Bf3 47.Kc1 e2 48.Be2 Be2 49.Kc2 Ke3 50.Kc3 Be1 51.Kc2 Kd4 52.Kb2 Bc3 53.Kc2 Ba5 54.Kb3 Kd3 55.Kb2 Bc3 56.Kc1 Bd4 57.Kb1 Kd2 58.Ka2 Kc1 59.Ka3 Kb1 60.Kb3 Bd1 61.Ka3 Bb2) 44...Kf4 45.Kh3 (45.Kf1 Kg3 46.Bd1 Bd3 47.Be2 Be2 48.Ke2 Kg2 49.Kd3 Kf3 50.Kc3 e2 51.Kb3 e1Q 52.Kb2 Qb4 53.Kc1 Be3 54.Kc2 Ke4 55.Kd1 Qd2) 45...Be4 46.Kh2 (46.Bg4 Bf3 47.Bd7 e2 48.Bc6 Bg4 49.Kg2 e1Q 50.Be4 Qg1) 46...Bf3 47.Kh3 (47.Bd3 e2 48.Be2 Be2 49.Kg2 Bd4 50.Kh1 Bf1 51.Kh2 Kf3 52.Kh1 Kf2 53.Kh2 Be5 54.Kh1 Bg2) 47...Be2 48.Kh2 (48.Kg2 Bc4 49.Kh3 Kf3 50.Kh2 Bg3 51.Kg1 e2 52.Kh1 e1Q) 48...Kf3 49.Kh3 (49.Kh1 Bc4 50.Kh2 Bg3 51.Kg1 e2 52.Kh1 e1Q) 49…Bf1 (49...Bf1 50.Kh2 e2 51.Kh1 e1Q 52.Kh2 Bc4 53.Kh3 Qh1; 49...Bg1 50.Kh4 Bc4 51.Kh3 Be6 52.Kh4 Bf2) 0-1. Fettito - slumerican_fred, lichess.org, 2018.

7.c4 ab5 8.ab5 Ra1 9.Ba1 Nb6 10.d3 dc4 11.dc4 Qd1 12.Kd1 Ne4 13.Ke1 Bd7 (13...f6 14.Nfd2 Nd6 15.Bd3=) 14.Nbd2 Nd2 15.Nd2 f6 16.Be2 e5 17.Bf3 Be6 18.Bb7 Bc4 (18...Kd7 19.Bc3=) 19.Bc6 Kd8 20.Nc4 Nc4 21.Ke2 Kc7 22.Rc1 Nb6 23.Bc3 Bd6 24.Ba5 Ra8?? (better 24...Rb8+=) 25.Ra1 (25.Ra1 Ra7 26.Bb6 Kb6 27.Ra7 Ka7 28.Kd3+=) 1-0. mordor1 (2115) - jupeq (2020), Rated Bullet game, lichess.org, 2015. (=1.Nf3 A00: Irregular Openings 1...d5 2.b4 Nf6 3.Bb2 c5 4.b5 e6 5.e3)

8.Ba3 A) 8...Rb8 9.Nc3 (9.Be2 Bd6 10.Nc3 Ne4 11.Rb1 Rb1 12.Qb1 Nc3 13.dc3 Nf6 14.0-0; 9.c4 d4 10.Be2 Bb7 11.0-0 Bf3 12.Bf3 Ne5 13.Be2 d3 14.Bf3) 9...Bd6 10.Rb1 Rb1 11.Qb1 0-0 12.Be2 e5 13.0-0 e4 14.Nh4; B) 8...Bd6 9.Be2 (9.c4 0-0 10.Nc3 Qc7 11.Rb1 d4 12.Ne2 de3 13.fe3 Bb7 14.Nc3; 9.Nc3 0-0 10.Be2 Ne4 11.0-0 Ndf6 12.Bb2 Rb8 13.Rb1 Qa5 14.Ne4; 9.Bd3 e5 10.Nh4 e4 11.Be2 0-0 12.Nf5 Be5 13.Nc3 Bc3 14.dc3; 9.h3 e5 10.Nc3 0-0 11.Nh4 d4 12.Qf3 Rb8 13.Nf5 dc3 14.Nd6) 9...0-0 10.Nc3 Ne4 11.Bb2 Rb8 12.Rb1 Ndf6 13.0-0 Qa5 14.Ne4.

8.Nc3 A) 8...Rb8 9.Rb1 (9.Ba3 Bd6 10.Bd3 e5 11.e4 de4 12.Be4 Ne4 13.Ne4 Nf6 14.Nd6) 9...Bd6 10.Ba3 Rb1 11.Qb1 0-0 12.Be2 Ne4 13.Bb2 Ndf6 14.d3; B) 8...Bb7 9.Ba3 (9.Rb1 Bd6 10.Bd3 Rb8 11.0-0 0-0 12.h3 e5 13.Nh4 g6 14.Ba3) 9...Bd6 10.Bd3 0-0 11.Rb1 Rb8 12.0-0 Qa5 13.Qe2 Ne5 14.h3; C) 8...Be7 9.Be2 (9.Rb1 0-0 10.Be2 e5 11.0-0 d4 12.ed4 ed4 13.Na2 Nb6 14.Nc1) 9...e5 10.a5 0-0 11.0-0 Rb8 12.Na4 Qc7 13.Nb6 e4 14.Bf6; D) 8...h6 9.Ba3 (9.Bd3 c4 10.Be2 Bd6 11.0-0 Nc5 12.Rb1 0-0 13.d3 cd3 14.cd3; 9.Rb1 Bd6 10.Ba3 e5 11.Be2 0-0 12.0-0 Qa5 13.h3 e4 14.Nh2) 9...e5 10.Rb1 e4 11.Nh4 d4 12.Ne2 Ne5 13.Ng3 Nfg4 14.Ngf5; E) 8...Qa5 9.Ba3 (9.Rb1 Bd6 10.Ba3 Ne5 11.Be2 0-0 12.0-0 Bd7 13.Ne5 Be5 14.d4; 9.Bd3 Rb8 10.Rb1 Bd6 11.h3 Bb7 12.0-0 0-0 13.Ba3 Nb6 14.Rb3; 9.g3 Bd6 10.Nb5 Be7 11.Ne5 Ne5 12.Be5 0-0 13.Bg2 Qd8 14.Na3; 9.h4 Rb8 10.Rb1 Bd6 11.Ba3 Bb7 12.Bd3 0-0 13.0-0 Nb6 14.Bb2; 9.Be2 Rb8 10.Ba3 Bd6 11.Rb1 Bb7 12.0-0 0-0 13.Bd3 Nb6 14.h3) 9...Rb8 10.Bd3 Bd6 11.0-0 0-0 12.Qe2 Ne5 13.Rab1 Bb7 14.h3; F) 8...Bd6 9.Rb1 (9.Be2 Rb8 10.Rb1 0-0 11.0-0 Bb7 12.Re1 Qa5 13.Bd3 c4 14.Be2; 9.Bd3 c4 10.Be2 0-0 11.0-0 Nc5 12.Rb1 Bd7 13.d3 cd3 14.cd3; 9.h3 0-0 10.Be2 e5 11.0-0 d4 12.Na2 e4 13.Nh4 Nb6 14.ed4; 9.Ba3 e5 10.Nh4 0-0 11.Nf5 Nb6 12.Nd6 Qd6 13.a5 Nc4 14.Bc4; 9.h4 0-0 10.h5 Rb8 11.Rb1 h6 12.Ba3 Bb7 13.Be2 Qa5 14.Rb3) 9...0-0 10.Be2 e5 11.Ba3 e4 12.Nh4 Ne5 13.f4 Nc4 14.Bc4.

8.c4 Rb8 9.Ra2 (9.Qc2 Bd6 10.Nc3 0-0 11.cd5 ed5 12.Be2 Re8 13.0-0 Ne5 14.Ne5; 9.Ba3 Bd6 10.Nc3 0-0 11.Rb1 Rb1 12.Qb1 Nb6 13.cd5 ed5 14.d4; 9.Bf6 Nf6 10.Bd3 Rb4 11.Qe2 Bd6 12.Nc3 0-0 13.0-0 Qa5 14.Rab1; 9.Qc1 Bd6 10.Nc3 0-0 11.Bd3 d4 12.Ne2 de3 13.fe3 Bb7 14.Ng3) 9...Bd6 10.Na3 (10.Be2 0-0 11.0-0 Rb4 12.cd5 ed5 13.Ba3 Qa5 14.Bb4) 10...Qe7 (10...0-0 11.Be2 Ne4 12.0-0 Bb7 13.d3 Nef6 14.Qc2) 11.d3 (11.Be2 0-0 12.0-0 Bb7 13.Qc2 Ne4 14.d3) 11...d4 (11...0-0 12.Be2 Bb7 13.0-0 Bc6 14.h3) 12.e4 (12.Be2 de3 13.fe3 0-0 14.0-0) 12...0-0 13.Be2 Ng4 (13...h6 14.0-0) 14.0-0 Nge5 15.Ne5 Ne5 16.f4 Nc6 17.e5 Bc7 18.Bc1 Nb4 19.Rb2 Bd7 20.Bf3 Qe8 21.Be4 Ba4 22.Qf3 f5 23.ef6 Rf6 24.g4 Qd7 25.g5 Rff8 26.f5 ef5 27.Bf5 Rf5! 28.Qf5 Qf5 29.Rf5 Nd3 30.Rb8 Bb8 31.Bd2 Bc6 32.Rf1 Be4 33.h4 Bg3 34.h5 Ne5 35.Bf4 Bf4 36.Rf4 Nf3 37.Kf1 Ng5 38.Rf2 Bf3 39.h6 gh6 40.Nb1 Be4 41.Nd2 Bd3 42.Ke1 Kg7 43.Rg2 a5 44.Nb3 Bc4 45.Nc5 Kf6 46.Kd1 h5 47.Rh2 Kg6 48.Kc2 Nf3 49.Rf2 (49.Rg2 Kf5 50.Rg7 h4 51.Rh7 Kg4 52.Rg7 Kf4–+) 49...Bd5 50.Kd3 Kf5 51.Nb3 Bb3 52.Rf3 Ke5 53.Rf8 Be6 54.Ra8 Bf5 55.Kc4 h4 56.Ra5 Ke4 57.Ra4 h3 58.Kc5 h2 59.Rd4 Kf3 (59...Kf3 60.Rd1 Be4–+) 0–1. Sitnikov,A (2450) – Burmakin,V (2610), 4th Open A, Moscow RUS, 2008.

8.c4 Bd6 9.Nc3 (9.Qc2 0-0 10.Nc3 Rb8 11.cd5 ed5 12.Be2 Re8 13.0-0 Ne5 14.Ne5; 9.cd5 ed5 10.Nc3 0-0 11.Be2 d4 12.ed4 cd4 13.Nd4 Ne5 14.a5) 9...0-0 10.Bd3 Rb8 11.Rb1 Nb6 12.cd5 ed5 13.0-0 Nc4 14.Bc4.

8.Be2 A) 8...Bd6 9.Nc3 (9.Qc1 Rb8 10.Nc3 0-0 11.0-0 Qa5 12.Rb1 Nb6 13.d4 cd4 14.ed4; 9.c4 Rb8 10.Ra2 Bb7 11.0-0 0-0 12.Nc3 Qc7 13.cd5 Nd5 14.g3; 9.Ra2 0-0 10.Nc3 e5 11.0-0 d4 12.Nb1 e4 13.Nh4 de3 14.fe3; 9.0-0 Rb8 10.Ba3 Bb7 11.Nc3 0-0 12.Qe1 Nb6 13.d4 Ne4 14.g3; 9.Ba3 0-0 10.Nc3 Ne4 11.0-0 Ndf6 12.Bb2 Rb8 13.Rb1 Qa5 14.Ne4) 9...0-0 10.0-0 Rb8 11.Rb1 Bb7 12.Qe1 Qa5 13.d3 Bc7 14.Qd2; B) 8...Bb7 9.0-0 (9.c4 Rb8 10.cd5 ed5 11.0-0 Bd6 12.Qc2 0-0 13.Nc3 Qa5 14.Ba3; 9.Nc3 d4 10.ed4 cd4 11.Nd4 Qb6 12.Nb3 Bg2 13.Rg1 Bc6 14.Rb1; 9.d3 Bd6 10.0-0 Rb8 11.Nbd2 0-0 12.Nb3 Bc6 13.Bc3 Nb6 14.Ne5) 9...Rb8 10.c4 dc4 11.Qc1 Bd6 12.Na3 Bf3 13.Bf3 Qc7 14.Bf6; C) 8...Rb8 9.Qc1 (9.Ra2 Bd6 10.Nc3 0-0 11.0-0 Bb7 12.h3 Qa5 13.Qe1 h6 14.d3; 9.Ba3 Bd6 10.Nc3 Bb7 11.0-0 0-0 12.Qe1 Nb6 13.d4 Ne4 14.g3) 9...Bd6 10.Nc3 0-0 11.0-0 Qa5 12.Rb1 Nb6 13.d4 Na4 14.Na4.

7.a5 a6 =.

7.a5 Bd6 8.d4 (8.ab6 Qb6 9.d4 c4 10.Ba3 Ne4 11.Nfd2 Ndf6–/+) 8...ba5 (8...0-0) 9.Bc3 Bc7 10.dc5 Nc5 11.Bd4 Bd6 +=.

7.c4 Bd6 8.d4 Qc7 (8...0-0 9.cd5 ed5 10.dc5 bc5 11.Be2=) 9.Nc3 (9.dc5 bc5 10.Nbd2 0-0=) 9...Bb7 (9...dc4 10.d5 ed5 11.Nd5 Nd5 12.Qd5=) 10.Be2 (10.cd5 ed5 11.Bd3 0-0=) 10...0-0 (10...dc4 11.dc5 Nc5 12.Bc4 Bh2 13.Qe2–/+) 11.cd5= ed5 (11...Nd5 12.Nd5 Bd5 13.Qc2=) 12.Qc2 (12.Rc1 c4=) 12...Rac8 13.0-0 (13.Rc1!?=) 13...cd4–/+ 14.Nd4 Bh2 15.Kh1 Be5 16.Rac1 (16.Qf5 Ne4–/+) 16...Bd4 (16...Ne4 17.Kg1–/+) 17.ed4 Qf4 18.Qd3 Rfe8 19.g3 (19.Kg1 Rc4 20.Rcd1 Nf8–/+) 19...Qd6 20.Kg2 Ne4 21.Bg4 g6 (21...Nc3 22.Rc3 Rc3 23.Qc3–/+) 22.Bd7 (22.Ne4 de4 (worse 22...Re4 23.Ba3 Rd4 24.Bd6 Rd3 25.Bd7+–) 23.Qe3 f5–/+) 22...Qd7–/+ 23.Rh1 Qf5 (23...Qd6 24.Rc2–/+) 24.Nd1 (24.Ne4 de4 (24...Re4?! 25.f3 Ree8 26.Qf5 gf5 27.Kf2=) 25.Qe3 Red8–/+) 24...Rc1 (24...Rc4 25.Ra1–/+) 25.Bc1 Rc8 26.Be3? (better 26.Bh6–/+) 26…Ng3–+ (26...Ng3 27.Qf5 Nf5–+ (27...gf5? 28.Kg3 Rc4 29.Rh6+–)) 0–1. Borrmann – Wicklund_Hansen, corr, 1977.

7.d3 Qc7 8.c4 a6 9.ba6 Ba6 10.cd5 ed5 11.Nc3 Bd6 =.

7.d3 Qc7 8.c4 Bb7 9.h3 (9.cd5 ed5 10.Be2 Bd6= 11.0-0 0-0=) 9...Be7 (9...dc4 10.dc4 Bd6 11.a5+= Rd8+=) 10.Nbd2 (10.cd5 Nd5 11.a5 (11.Be2 0-0=) 11...ba5=) 10...0-0+= 11.Qc2 (11.cd5 Nd5+=) 11...Rfe8 (11...a6+=) 12.g4 Rad8 (12...a6 13.g5 Nh5 14.ba6 Ra6 15.Be2+=) 13.Rg1 d4 14.e4 Nf8 15.Nb3 Ng6 16.a5 Ra8 17.a6 Bc8 18.0-0-0 Nd7 19.Kb1 Nde5 20.Ne5 Ne5 (20...Qe5 21.Bg2=) 21.Bg2 Ng6 22.Bc1 e5 23.Nd2 (23.Qe2 Be6=) 23...Rb8 (23...Nf4 24.Nf3 Ng2 25.Rg2=) 24.Nf3= Ba6 25.Ne5?? (better is 25.ba6 b5 26.Ka1=) 25...Ne5–+ 26.f4 Nc6! 27.Qa4 (27.bc6 b5) 27...Bb5! 28.cb5 (28.Qb5 Nb4; 28.cb5 Nb4) 28...Nb4 29.e5 c4 30.dc4 Qc4 31.Bc6 Red8–+ 32.Bb2 d3 33.Rc1 Qf4 34.Rgf1 Qg5 35.Rf5 Qh4 36.Qb3 d2 37.Rd1 Rd3?? 38.Qf7+– Kh8 39.Qg7 (39.Qg7 Kg7 40.e6 Kg8 41.Rf7 Nc6 42.bc6–+). De Visser,Arno – van der Plas, 1984.

7.d3 Qc7 8.c4 Bd6 9.Nc3 dc4 10.dc4 Bb7 11.a5 Rd8 +=.

7.d3 Qc7 8.Be2 Bd6 (8...e5 9.Na3 Bd6 10.c4 e4 11.Nh4 Be5=; 8...a6 9.Na3 Bd6 10.0-0 e5 11.ba6 Ba6=) 9.c4 dc4 10.dc4 0-0 11.a5 ba5 =.

7.d3 Bd6 A) 8.Nbd2 Bb7 (8...e5 9.c4 d4 10.Nh4 0-0 11.Nf5 Qc7=; 8...0-0 9.c4 a6 10.Be2 Bb7 11.0-0 ab5=) 9.a5 a6 10.e4 d4 11.Nc4 Be7+=; B) 8.Be2 0-0 (8...e5 9.c4 0-0 10.cd5 Nd5 11.Nbd2 Qe7=; 8...Qc7 9.c4 dc4 10.dc4 0-0 11.a5 ba5=) 9.0-0 e5 10.c4 dc4 11.dc4 Qc7+=; C) 8.Na3 0-0 9.Be2 Bb7 10.c4 Qe7 11.0-0 Rfd8=.

7.d4 A) 7...c4 8.Be2 a6 (8...Be7 9.0-0 0-0 10.Ba3 a6 11.Be7 Qe7=; 8...Bb4 9.c3 Be7 10.Ba3 a6 11.0-0 0-0=) 9.0-0 Bd6 10.Ba3 Ba3 11.Na3 Ne4=; B) 7...Qc7 B1) 8.a5 ba5 (8...a6 9.ab6 Qb6 10.c4 Bb7 11.dc5 Bc5=; 8...c4 9.a6 Ne4 10.Ba3 Ndf6 11.Bf8 Rf8+=) 9.Bc3 c4 10.Ba5 Qb7 11.Nc3 a6+=; B2) 8.c4 cd4 9.Qd4 Bb7 10.Nbd2 Rd8 11.Be2 Bc5=; C) 7...a6 8.c4 Be7 (8...cd4 9.Nd4 Bb4 10.Bc3 Bc3 11.Nc3 dc4=; 8...Bb7 9.cd5 Bd5 10.ba6 Bd6 11.Nc3 0-0+=; 8...ab5 9.cd5 ed5 10.Bb5 Bd6 11.Bc6 Rb8+=) 9.dc5 Nc5 10.cd5 Qd5 11.Nc3 Qb3=; D) 7...cd4 D1) 8.Nd4 Qc7 9.Nd2 e5 10.N4b3 Bb4 11.Bd3 0-0+=; D2) 8.Qd4 Bd6 9.c4 Bb7 10.Nc3 e5 11.Qh4 Bb4+=; D3) 8.ed4 Bb4 (8...a6 9.Bd3 ab5 10.ab5 Bb4 11.Nbd2 Ra1=; 8...Qc7 9.Bd3 Bb4 10.Nbd2 Nh5 11.g3 Nhf6=; 8...Bd6 9.Bd3 a6 10.Ba3 Qe7 11.Bd6 Qd6=) 9.c3 Bd6 10.Ba3 Ba3 11.Ra3 a6=; E) 7...Be7 E1) 8.a5 c4 (8...0-0 9.Ne5 Qc7 10.Nc6 Bd6 11.ab6 Qb6=; 8...ba5 9.Bc3 0-0 10.Ba5 Qe8 11.Be2 c4=) 9.a6 Ne4 10.Nfd2 Ndf6 11.Ba3 Bd7–/+; E2) 8.dc5 Nc5 9.Be2 0-0 10.0-0 a6 11.Nbd2 Bb7=; F) 7...Bd6 F1) 8.dc5 Nc5 9.Be2 0-0 10.0-0 a6 11.Nbd2 Bb7+=; F2) 8.Be2 a6 (8...0-0 9.dc5 Nc5 10.0-0 a6 11.Be5 ab5+=) 9.dc5 Nc5 10.0-0 0-0 11.Be5 Be5+=; F3) 8.a5 ba5 (8...0-0 9.dc5 bc5 10.Be2 e5 11.0-0 e4=) 9.Bc3 0-0 10.Ba5 Qe7 11.c4 Bb7+=.

7.Be2 a6 8.0-0 (8.ba6; 8.Na3; 8.Nc3) 8...Bd6 (8...Be7 9.c4 0-0 10.d4 dc4 11.Bc4 ab5=) 9.Nc3 0-0 10.ba6 Ba6 11.Nb5 Qe7 =.

7.Be2 Be7 A) 8.0-0 Bb7 (8...a6 9.c4 0-0 10.d4 dc4 11.Bc4 ab5=; 8...Bd6 9.c4 0-0 10.d4 Bb7 11.cd5 Nd5=; 8...0-0 9.c4 Bb7 10.d3 dc4 11.dc4 Qc7=) 9.a5 a6 10.ba6 Ba6 11.Ba6 Ra6+=; B) 8.Na3 0-0 (8...Qc7 9.c4 0-0 10.d3 Bb7 11.cd5 Nd5=; 8...Bd6 9.0-0 e5 10.d3 Qc7 11.e4 c4=; 8...a6 9.0-0 0-0 10.ba6 Ba6 11.Nb5 Re8=; 8...Bb7 9.0-0 0-0 10.c4 a6 11.d4 Re8=) 9.0-0 Qc7 10.d3 e5 11.c4 e4=.

7.Ne5 A) 7...Bd6 8.f4 (8.Nd7 Bd7 9.Be2 0-0 10.f4 a6 11.0-0 c4+=) 8...0-0 (8...a6 9.Be2 c4 10.0-0 Qc7 11.Nd7 Qd7=; 8...Ne4 9.Qg4 Ne5 10.fe5 Bf8 11.Be2 h5=) 9.Be2 Qc7 10.Nd7 Nd7 11.0-0 Bb7=; B) 7...a6 8.Nd7 (8.ba6; 8.Be2; 8.Na3; 8.d4) 8...Bd7 (8...Nd7 9.Qf3 Qg5 10.h4 Qd8 11.c4 ab5=) 9.ba6 c4 10.d3 Ra6 11.dc4 Ra4=; C) 7...a5 C1) 8.Nd7 Nd7 (8...Qd7 9.Qf3 Be7 10.Be2 Bb7 11.Be5 0-0=; 8...Bd7 9.Be5 Bc8 10.d4 Bd6 11.Bd6 Qd6=) 9.Qf3 Bb7 10.Be2 Qh4 11.h3 Ra7=; C2) 8.f4 Ne5 9.fe5 Nd7 10.Qg4 Qc7 11.Qg5 g6=; C3) 8.Be2 Ne5 (8...Bd6 9.f4 0-0 10.0-0 Bb7 11.Qe1 Qc7=; 8...Bb7 9.f4 Bd6 10.0-0 0-0 11.c4 dc4=) 9.Be5 Bd6 10.Bd6 Qd6 11.0-0 0-0=; D) 7...Ne5 8.Be5 Bd6 (8...a6 9.Nc3 Bd6 10.Bd6 Qd6 11.ba6 Ba6+=; 8...Nd7 9.Bb2 e5 10.c4 d4 11.Qf3 Rb8=) 9.Bd6 Qd6 10.Be2 0-0 11.0-0 e5+=.

8.Na3 Bd6 9.d3 Qc7 10.h3 h5 (10...0-0 11.cd5 ed5 12.Be2=) 11.Be2 h4 12.0-0 0-0-0 (12...Kf8 13.Re1+=) 13.Ng5 Nf8 14.d4 (14.a5 Rd7+/–) 14...N8h7 (14...cd4!? 15.ed4 Kb8=) 15.Nh7+/– Rh7 16.Bd3 Rh6 17.a5 g5 (17...cd4 18.Bd4 e5 19.Bc3+=) 18.a6 (18.ab6!? ab6 19.cd5 Bd5 20.Nc4 Bc4 21.Bc4 cd4 22.Bd4+/–) 18...Ba8+= 19.dc5 Bc5 20.Qf3 Ne4 21.Rad1 (21.Rfc1 f5 22.Bd4 g4 23.hg4 h3 24.gh3 Nd2=) 21...g4 (21...f5 22.cd5 Bd5 23.Be4 Be4 24.Rd8 Qd8 25.Qd1+=) 22.hg4 (22.Qg4 f5 23.Qf4 Qf4 24.ef4 Rg8–/+) 22...Ng5 (22...h3 23.Be4 (23.gh3?? Ng5 24.Qh1 Rh3–+) 23...hg2 24.Qg2 de4 25.Rd8 Qd8 26.Nc2–+) 23.Qf4+= Qe7 (23...Rg8 24.cd5 Bd5 25.Qc7 Kc7 26.f4+=) 24.cd5 (24.Bg7 Bd6 25.Qd4=) 24...Rd5 25.e4 h3 26.ed5 (better is 26.Rfe1 hg2 27.Kg2=) 26...Bd5–+ 27.Be4 (27.Qh2 Qf8 28.Bc4 hg2 29.Bd5 ed5 30.Qg2 Nh3 31.Qh3 Rh3 32.Kg2–+) 27...Be4 28.Rd7 (28.Rfe1 h2 29.Kh1–/+) 28...Qd7 29.Qg5 hg2 (29...hg2 30.Qg8 Qd8 31.Qd8 Kd8 32.Bf6 Ke8 33.Bh4 Rh4 34.Rd1 Rh1) 0–1. Miettinen,Stig – Vailahti,Olavi, SM/ME–65 corr/Ks65 FIN, 1965.

8.Qb3 Qc7 9.Be2 Bd6 10.d3 0-0 11.Nbd2 Rac8 (11...a6 12.0-0+=) 12.h3 Rfe8 13.0-0 e5 14.cd5 Bd5 15.Qc2 Qb8 16.e4 Bb7 17.Nc4 (17.a5 Bc7+=) 17...Bc7 (17...a6 18.Rfc1=) 18.Nh2 (18.a5 ba5 19.Rfb1 Re7+=) 18...Nf8 (18...a6 19.Ng4=) 19.Ng4 N6d7 20.Nge3 Ne6 21.Bg4 Rcd8 22.Nf5 (22.Be6 Re6 23.a5 Bc8+=) 22...g6 23.Nh6 Kg7 24.Be6 Re6 25.Qd2 f6 26.Ng4 g5 (26...Kh8 27.Qe3=) 27.Nce3 h5 (27...c4 28.Ba3 h5 29.Nf5 Kg6+/–) 28.Nf5+/– Kg6 29.Nge3 Nf8 30.Qe2 Rd7 31.Rfd1 Qd8 32.Ng3 Rh7 33.Qf3 Rd6 34.Nc4 Re6 35.h4 Qe8 (35...gh4 36.Qf5 Deflection) 36.Qf5+– Kh6 37.hg5 fg5 38.Be5! Rf7 (38...Be5 39.Ne5 Combination; 38...Re5 39.Qf6 Double attack (39.Qf6 Decoy)) 39.Qh3 (39.Bc7!? Rf5 40.Nf5 Kh7 41.Bd6+/–) 39...Be5+= 40.Qh5 Kg7 41.Qg5 Ng6?? (better is 41...Kh8 42.Ne5 Re5=) 42.f4. Hoelldorfer,August – Hartlaub,Marianne, Bayern–ch Seniors, 1995.

8.Qb3 Bd6 9.d4 =+.

8.Nc3 Rc8 9.Be2 (9.cd5 ed5 10.Be2 Bd6=+) 9...Bd6 (9...d4 10.ed4 Bf3 11.Bf3 cd4 12.Ne4=+) 10.0-0 Bb8 (10...0-0 11.Qc2=+) 11.cd5 ed5 12.d4 0-0 13.Rc1 Re8 14.Ne1 Ne4 (14...cd4 15.Qd4 Ne5 16.Nf3=+) 15.Ne4 de4 16.g3 (16.f4 Qe7=+) 16...cd4 17.Bd4 Rc1 18.Qc1 Qe7 19.Nc2 Be5 (19...Ne5 20.Be5 Be5 21.Rd1=+) 20.Qd2 Nc5 21.Qb4 (21.Be5 Qe5 22.Bc4 Qc7=+) 21...Rc8 22.Bc4 (22.Be5 Qe5 23.Rd1 h6=) 22...Qf6 (22...Bd6 23.Rd1=+) 23.a5 Nd3 24.Qb3 ba5 25.Ba7 (25.f4 Bd4 26.Nd4 Rd8=+) 25...a4–/+ 26.Qa4?? (better 26.Qa2–/+) 26...Nb2–+ 27.Qb3 (27.Qb4 Rc4 28.Qd2 g6–+) 27...Nc4 (27...Rc4 28.Bd4 Rd4 29.ed4 Bd4 30.Nd4 Qd4 31.Qc2–+) 28.Rd1 Nb2 29.Rd7 (29.Rf1 Nd3–+) 29...Nd3 (better 29...Qf5 30.Rb7 Nd3 31.Qf7 Qf7 32.Rf7 Kf7 33.Nd4 Rc1 34.Kg2–+) 30.f4 Bc7 (better 30...Rc3 31.Qa4 Bc8–+) 31.Nd4 g5 (better 31...h6–+) 32.b6?? (better 32.Nc6 Bc6 33.bc6 gf4 34.ef4 Qa1 35.Kg2 Qb2 36.Qb2 Nb2 37.Re7–+) 32...Nc5 (better 32...Bf4 33.gf4 Rc1 34.Kg2 gf4 35.Qf7 (35.Rb7?? Qg5 36.Kh3 Nf2) 35...Qf7 36.Rf7 Kf7 37.ef4 e3 38.Kg3–+) 33.Qb5 (33.fg5 A) 33...Nb3 34.gf6 Nd4 35.ed4 (worse 35.bc7 Ne6=+) 35...Bb6 36.Rb7+=; B) 33...Qg6 34.Qf7 Qf7 35.Rf7 Kf7 36.bc7 Nd7–+) 33...Nd7 34.Qd7 Bb6 (better 34...Qd8 35.Qf5 Bd6–+) 35.Qb7–/+ Rc1 36.Kf2?? (better 36.Kg2!? Bd8 37.Qe4–/+) 36...Ba7 (better 36...gf4 37.Qb8 Kg7 38.Qf4 Qf4 39.gf4 Ba7 40.Nf5 Kg6 41.Nh4 Kh5–+) 37.Qa7 (37.Qa8 Kg7 38.Qa7 gf4 39.ef4 Rc3–+) 37...gf4 38.ef4 Qd8 39.Kg2 (39.Ke3 h5 40.Qa3 Re1 41.Kd2 Rf1–+) 39...Rc7 (39...e3 40.Kf3 Rc3 41.Ne2 Qd5 42.Kg4 h5 43.Kh3 Qf5 44.Kg2–+) 40.Qa6 (40.Qa1 Qd5 41.Kf2–+) 40…Qd4 (40...Qd4 41.Qe2 e3–+) 0–1. Haschka,Peter (1925) – Hoebarth,Guenter (1985), Austrian Eisenbahnermeisterschaft, 2013.

8.d3 Bd6 9.Be2 0-0 10.Nbd2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.a4 b6 9.d3 Bb7 10.Nbd2).

8.d4 Be7 9.Bd3 dc4 10.Bc4 0-0 11.0-0 Rc8 12.Nbd2 Ne4 13.Ne4 Be4 14.Nd2 cd4 15.Bd4 Bf6 (15...Bf5 16.Qh5=) 16.Ne4 Rc4 17.Bf6 (17.Nf6 Nf6 18.Qb3 Rc7+=) 17...Nf6 18.Qd8 Rd8 19.Nf6 gf6 20.Rfc1 Rc1 21.Rc1 Rd7 22.g3 Kg7 23.h4 Kg6 ½–½. Vahvaselkae,J – Hasler,Ulrich, corr ICCF–TT/4/90, 1991.

8.cd5 ed5 9.Be2 Bd6 =.

8.Be2 Be7 9.0-0 0-0 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0-0 8.0-0 d5 9.a4 Nbd7).

8.0-0 0-0 9.d4 Bb7 10.dc5 Nc5 11.Bd4 a6 +=.

8.Ra2 0-0 9.0-0 e5 10.Nh4 Nb8 11.Nf3 Qc7 +=.

8.Na3 Qc7 (8...0-0 9.d3 Re8 10.c4 Bb7 11.0-0 Qc7=; 8...Bb7 9.0-0 0-0 10.d3 Qc7 11.c4 Rfd8=; 8...e5 9.d3 0-0 10.c4 d4 11.Nd2 de3=) 9.0-0 0-0 10.d3 e5 11.Nd2 Rd8 +=.

8.Nc3 e5 9.0-0 0-0 10.Nh4 Nb8 11.Nf3 Qc7 +=.

8.c4 0-0 9.cd5 ed5 10.0-0 Re8 11.Nc3 Qe7 =.

8.c4 a6 9.0-0 0-0 10.Nc3 Ne5 11.cd5 ed5 =.

8.c4 Bb7 9.0-0 0-0 10.Nc3 dc4 11.Bc4 Qc7 +=.

8.c4 Bb7 9.0-0 Qc7 10.h3 h6 11.Na3 (11.cd5 ed5 12.d4 0-0=) 11...g5 (11...0-0 12.cd5 Bd5 13.a5=) 12.d4 (12.cd5 Bd5 13.Nc4 Rg8+=) 12...Rg8 (12...cd4 13.Nd4 Ba3 14.Ra3 dc4 15.Nc6+=) 13.Nd2 (13.dc5 bc5 14.a5 g4 15.hg4 Rg4= (worse 15...Ng4 16.a6+–)) 13...0-0-0 (13...g4 14.hg4 cd4 15.Bd4+=) 14.dc5 (14.cd5 Bd5 15.a5 g4 16.hg4 h5+=) 14...bc5 15.a5 White gets strong initiative 15...Be5 (15...g4 16.hg4 Be5 17.b6 ab6 18.Nb5+–) 16.b6 ab6 17.Nb5 Qb8 18.ab6 Nb6 19.Qb3 Bb2 (19...Nc4 20.Bc4 (20.Nc4?! dc4 21.Bc4 Kd7+=) 20...dc4 21.Nc4 Bh2 22.Kh1+–) 20.Qb2 Nfd7 21.Qa3 (21.Na7!? Kc7 22.cd5 Bd5 23.Nb5 Kc8 24.Ra7+–) 21...Rdf8+= 22.Nb3 Kd8 (22...g4 A) 23.Nc5? gh3 24.Rfc1 Rg2 25.Kf1 A1) 25...Nc4? 26.Bc4 (26.Nb7?! Rf2 27.Kf2 Qh2 28.Ke1 Qg3 29.Kd1 Qg1 30.Kc2 Na3 31.Kb3 Qc1 32.N5d6 Kb8 33.Rc1 Nc4 34.Bc4 dc4 35.Kc4 h2+=) 26...Kd8 27.Nd6+–; A2) 25...dc4 26.Nb7 Qh2 27.N5d6 Kc7 28.Ke1 (28.Bc4?? Qg1 29.Ke2 Qf2 30.Kd3 Qd2 31.Ke4 Rg4 32.Kf3 Qg2) 28...Qg1 29.Kd2 Qf2 30.Nb5 Kc8 31.N7d6 Kd8 32.Nd4+–; A3) 25...Rfg8–+; B) worse 23.Bg4 Nc4 24.Qa2 f5–/+; C) 23.hg4 Nc4 24.Bc4 dc4 25.Nc5 Rg4 26.f3+– (worse 26.Nb7 Rg2 27.Kg2 Qb7 28.f3 Qb5 29.Qa8 Kc7 30.Ra7 Kd6 31.Rd1 Ke5 32.Qe4 Kf6 33.Qf4 Kg6 34.Rdd7 Qb2 35.Kg3 Qb1+–)) 23.cd5 ed5 (23...g4!? 24.hg4 Bd5 25.Nc5 Nc5 26.Qc5 Nd7+–) 24.Nc5+– White creates threats along the open c–file 24...Nc5 25.Qc5 Nd7 26.Qa3 Rg6 27.Qa5 Ke7 28.Rfc1 (28.Nd4 Rc8+–) 28...Rc8 29.Qb4 (better 29.Rc8 Qc8 30.Nd4+–) 29...Ke8? (29...Kd8 30.Rc8 Bc8 31.Qa5 Qb6 32.Qd2+–) 30.Nd4 (better 30.Rc8!? Qc8 31.Nd6 Rd6 32.Qd6+–) 30...Rc1+– 31.Rc1 Rb6? (31...Ba6 32.Bb5 Bb5 33.Nf5+– (33.Nb5?! Rb6 34.Rb1 h5+=; 33.Qb5?! Qb5 34.Nb5 Ke7+=)) 32.Qa3?? (better 32.Bb5 Kd8 33.Qa4+–) 32...Qd6+– 33.Qd6 (33.Qc3 Qb8+–) 33...Rd6+– 34.Rc7 Rb6? (better 34...Ba6 35.Nf5 Kd8 36.Rd7 Kd7 37.Nd6 Be2 38.Nf7 Ke6 39.Nh6 Ke5+–) 35.Bb5 Rb5 36.Nb5 Ba6 37.Nd6 Ke7 38.Nf7! (38.Nf7 Bc4 39.Nh6+–) 1–0. Kreuzer – Mertens, tt, 1983.

8.d3 0-0 (8...e5 9.c4 0-0 10.cd5 Nd5 11.Nbd2 a6=) 9.0-0 e5 10.c4 dc4 11.dc4 Qc7 +=.

8.d4 Bb7 (8...a6 9.0-0 cd4 10.Qd4 e5 11.Qh4 Qc7=; 8...cd4 9.ed4 0-0 10.Ba3 Qc7 11.0-0 a6=; 8...0-0 9.0-0 cd4 10.ed4 Re8 11.Re1 a6=; 8...Qc7) 9.a5 a6 10.Ne5 c4 11.ba6 Ra6 +=.

7.c4 Bd6 8.Be2 0-0 9.a5 e5 10.d3 e4 11.de4 de4 12.Nfd2 Bh2 13.Qc2 Re8 14.Nc3 Be5 15.Nce4? (better is 15.Rh4+=) 15...Bb2–+ 16.Nf6 Bf6 (16...Nf6?! 17.Qb2 Bg4 18.Bg4 Ng4 19.a6=) 17.Qh7 Kf8 18.Rd1 (18.Ra2 Ke7–+) 18...Bc3 (18...Qa5 19.Kf1–+) 19.Kf1 (19.a6 ba6 20.Qd3 Qe5–+) 19...Bd2 (19...Nf6!? 20.Qh8 Ke7 21.Qh4–+) 20.Rd2 Nf6 21.Qh8 Ke7 22.Qg7 Rg8 23.Qh6 Qa5 24.Rd1 Be6 25.Qf4 Rad8 26.Rd8 Rd8 27.g4 Qb6 28.g5 Nd7 29.g6 Qd6 30.Qg5–/+ f6 31.Rh7= Ke8 32.Rh8 Ke7 33.Rh7 Ke8 34.Rh8 Ke7 35.Rh7 ½–½. Grube,Joerg (1790) – Borjini,Mohamed (1875), Dortmund9, 2003.

7.d3 Bd6 8.c4 0-0 9.Nbd2 b6 10.Be2 a5 11.0-0 Bb7 12.cd5 ed5 13.Qc2 Rfe8 14.Rfe1 Rac8 15.Rac1 Ne5 16.d4 Nf3 17.Nf3 Qe7 18.dc5 bc5 19.Qc3 d4 20.ed4 cd4 21.Qd4 (21.Qa5? Rc1 22.Rc1 Bf3 (22...Qe2 23.Bd4 Bf3 24.gf3 Qf3 25.Re1 Qg4 26.Kh1 Re1 27.Qe1 Qd4 28.Qe3 Qa4 29.Qe2–+) 23.Bf3 Bb4–+) 21...Bf3 22.gf3 Rc1 (22...Bb4 23.Bc3 Rc3 24.Rc3=) 23.Bc1+= Bb4 24.Bd2 Bc5 (24...Bd2 25.Qd2 Qe5 26.Qa5+=) 25.Qh4+/– Bb6 (25...Qc7 26.Bc4 Re1 27.Be1+/–) 26.Bf1 Qd7 27.Re8 Ne8 28.Be3 Be3 29.fe3 Qd1?? (better is 29...Nd6+–) 30.Qe7 Nf6 31.b6 h5 (31...Qd7 32.Qc5 h5 33.Qa5 Qb7+–) 32.b7 Qf3 33.b8Q Kh7 (33...Ne8 34.Qee8 Kh7 35.Bd3 f5 36.Qg8 Kh6 37.Qd6 Kg5 38.Qg7 Kh4 39.Qdg3 Qg3 40.Qg3) 34.Bd3 (34...Kh6 35.Qh8 Kg5 36.Qg7 Kh4 37.Qef6 Kh3 38.Qf3 Kh4 39.Qgf6) 1–0. Trkn – guest2857, ICC, 2004.

7.Be2 A) 7...Bd6 8.d4 (8.c4 0-0 9.cd5 ed5 10.a5 Re8 11.0-0=) 8...0-0 9.dc5 Bc5 10.Nbd2 e5 11.c4=; B) 7...e5 8.Nh4 (8.0-0 a6 9.b6 Qb6 10.Be5 Ne5 11.Ne5+=) 8...c4 9.0-0 Bb4 10.Nf5 0-0 11.f4=.

7.Na3 e5–/+ 8.d3 0-0 9.e4 Re8 (9...Qa5 10.c3–/+) 10.Nd2 Nb6 11.c3 (11.c4 de4 12.de4 Nbd7+=) 11...Be6 12.a5 Nbd7 13.Be2 (13.a6 ba6 14.ed5 Bd5–/+) 13...Bc7 14.ed5 Bd5 15.0-0 Rb8 (15...Ba5!? 16.Nac4 Bc7–/+) 16.Nac4= b6 17.Ne3 (better is 17.ab6!? Nb6 18.Ne3=) 17...ba5–/+ 18.Nd5 Nd5 19.Bf3 Nf4 20.Nc4 Rb5 21.Bc6 Rb8 22.d4 (better is 22.Qf3!?–/+) 22...ed4–+ 23.Qa4 (23.cd4 Ne2 24.Kh1 Qh4–+) 23...Re7 24.Rae1 (24.cd4 Nb6 25.Nb6 Rb6 (25...ab6?! 26.dc5 bc5 27.Rfd1–+; 25...Bb6?! 26.dc5 Ne2 27.Kh1 Bc5 28.Qc2–+) 26.dc5 Rb2–+) 24...Ne5 (24...Nb6!? 25.Nb6 Rb6 26.Ba1–+) 25.Ne5 Rb2 (25...Be5?! 26.cd4 cd4 27.Ba3–+; 25...Re5 26.Re5 Be5 27.cd4 Ne2 28.Kh1 Bh2 29.Bd7–+) 26.cd4 Qd4 27.Qd4 cd4 28.Nd3 Ne2 29.Kh1 Rb6 30.Bf3 Rbe6 31.Bd5 Rh6 32.g3 Kf8 33.Bc4 Nc3 34.Re7 Ke7 35.Re1 Kf8 0–1. Kulbachny,Vladimir (1975) – Shutov,V, Moscow Region–ch op, 2004.

7.a5 0-0 (7...Bc7 8.Bc3 0-0 9.d3 e5+=; 7...e5 8.Be2 Bc7 9.b6 Bb8–/+) 8.Be2 Bc7 9.Bc3 Ne4 –/+.

7.a5 e5 8.d4 ed4 (8...cd4 9.ed4 e4 10.Nfd2+=) 9.ed4 c4 10.Nc3 (10.Be2!?+=) 10...0-0–/+ 11.Be2 Bb4 12.0-0 Ba5 13.Ne5 Bb4 14.Bf3 Nb6 15.Na4 Na4 (15...Re8 16.Bc3 Bd6 17.Re1–/+) 16.Ra4 Bd6 17.Qa1 Bb8 (17...Bf5 18.c3–/+) 18.Ba3 Re8 19.Bc5 b6 (19...Bf5 20.Qc3–/+) 20.Nc6 (20.Ba3 Bd7 21.Rb1 Bf5–/+) 20...Qc7 21.Nb8 Qb8 (21...Rb8?! 22.Ra7 Rb7 23.Rb7 Qb7 24.Bd6=) 22.Bb4 (22.Ba3!?–/+) 22...Bd7–+ 23.Bc3 (23.Re1 Re1 24.Qe1 Bb5–+) 23...Bb5 (23...Bb5 24.Ra3 Bd7–+) 0–1. Ovcharenko,Leonid (2075) – Rastorotskiy,Mikhail (2020), Vladivostok Cup Open, 2009.

7.c4 (--> 1. b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.a4).

7.c4 b6 8.d4 Qc7 9.Nc3 Bb7 10.Be2 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.a4 b6 9.d4 Bb7 10.Nc3 Qc7).

7.c4 b6 8.Be2 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.a4 b6).

7.d3 0-0 (7...e5 8.Be2 Qc7 9.Nbd2 0-0+=; 7...Qc7 8.a5 0-0 9.c4 Rd8+=; 7...a6 8.c4 ab5 9.ab5 Ra1+=; 7...Qb6 8.c4 Qa5 9.Qd2 Qc7=) 8.Be2 Qc7 9.c4 dc4 +=.

7.d4 0-0 (7...cd4 8.ed4 Ne4 9.Bd3 Qa5+=; 7...Qe7 8.Be2 0-0 9.0-0 cd4=; 7...c4 8.Be2 Qa5 9.Qd2 Qb6+=; 7...Qa5 8.Bc3 Qc7 9.dc5 Qc5+=) 8.dc5 Nc5 9.Be2 a6 +=.

7.Be2 0-0 8.0-0 e5 9.Nh4 Bc7 10.Nf5 Re8 11.Ng3 +=.

7.Be2 0-0 8.0-0 e5 9.Nh4 Re8 +=.

7.Be2 0-0 8.c4 e5 9.d3 dc4 10.dc4 Qe7 11.0-0 +=.

7.Be2 0-0 8.d3 e5 9.0-0 Qc7 10.Nfd2 a6 11.c4 +=.

7.Be2 e5 8.0-0 0-0 9.Nh4 Re8 +=.

7.Be2 e5+= 8.d3 0-0 9.0-0 Qc7 10.h3 Re8 11.a5 +=.

7.g3 b6 (7...e5 8.d3 (8.Nh4 0-0 9.Nf5 Bc7 10.Bh3 Nb6 11.d3–/+) 8...Qe7 9.Bg2 0-0 10.0-0 a6 11.Nc3+=) 8.Bg2 (8.d3 0-0 9.Bg2 Bb7 10.0-0 e5 11.c4+=; 8.Nc3 0-0 9.Bg2 Bb7 10.0-0 a6 11.ba6+=) 8...Bb7 (8...0-0 9.0-0 a6 10.d3 e5 11.c4+=) 9.0-0 0-0 10.d3 (10.Na3 Qe7 11.d3+=) 10...Re8 (10...a6 11.c4+=) 11.Re1 (11.c4+=) 11...Nf8 (11...e5 12.c4+=) 12.Be5 (12.c4 e5=) 12...Ng6+= 13.Bd6 Qd6 14.Nbd2 e5 15.e4 Rad8 16.ed5 Bd5 17.Ng5 Bg2 18.Kg2 Qd5 19.f3 Qb7 20.Nge4 Nd5 21.Nc4 Qe7 22.Ne3 (22.Qd2 Qe6=) 22...Ne3+= 23.Re3 f5 24.Nd2 Qg5 25.Kf2 (25.Qe1 f4 26.Re4 Nh4 27.Kh1 fg3 28.hg3 Nf5=) 25...Qh6 26.Qh1 f4 27.Re2 Qh3 28.Re4 Rd4 29.Qg2 Qd7 30.Rae1 Rd5 31.gf4+= Nf4 32.Qg3 Re6 33.Qg4 h5+= 34.Qh4 Rg6 35.Nc4 Rg2 36.Kf1–/+ g5 37.Qf4 Qh3 38.Qf5= Qf5 39.Kg2 Qf6 40.Ne5 Rd8 41.R1e3 Kg7 42.Nc6 Rf8 43.h3 Qc3 44.Re2 Rf7 45.Nd8 Rd7 46.Ne6 Kf6? 47.f4 g4+= 48.hg4 hg4 49.Ng5 Qa1 50.Re6 Kg7?? 51.f5+– Qa2 52.f6 Kg6 53.f7 Kg5 54.f8Q Qd5 55.R2e4 (55.R2e4 Qe4 56.de4 Rd2 57.Kg3 Rg2 58.Kg2 g3 59.Qf5 Kh4 60.Rh6#) 1–0. Hionidis,N – Mastichiadis,F, Athens, 1947.

7.d3 b6 8.Be2 0-0 9.0-0 Bb7 10.Qd2 Qc7 11.Rfd1 d4 12.Ne4 Ne4 13.de4 Be4 14.c3 Bf3 15.Bf3 Bh2 16.Kh1 Rad8 17.cd4 Ne5 18.Be2 cd4 (18...Ng6 19.g3 Bg3 20.fg3 Qg3 21.Bf1+=) 19.Rac1+= Qb8 20.g3 (20.f4 de3 21.Qe3 Ng4 22.Bg4 Bf4+=) 20...Bg3 21.fg3 Ng6 (21...Qb7!? 22.Kg1 Nf3 23.Bf3 Qf3+=) 22.Kh2 (worse is 22.Bd4 e5 23.Kg2 Ne7–/+) 22...de3 23.Qe3 Rd6? (better is 23...Rd1 24.Rd1 Rc8+/–) 24.Rd6+– Qd6 25.Ba3 Qd5 26.Bf8 (26.Bf8 Nf8 27.a3+–) 1–0. Idelis – Grabanzito, playchess.de, 2004.

7.Bd3 Qc7 (7...e5 8.Bf5 e4 9.Ng5 Ne5–/+; 7...0-0 8.0-0 e5 9.Bf5 e4–/+) 8.Be2 e5 9.Nh4 Nb6 –/+.

7.d4 c4 (7...cd4 8.Qd4 Qc7 9.Rd1 e5+=; 7...Qa5 8.dc5 Nc5 9.Qd2 Qb4+=) 8.Be2 Qa5 9.Qd2 a6 –/+.

7.Be2 Qc7 (7...0-0 8.0-0 e5 9.d3 Qc7+=; 7...e5 8.0-0 e4 9.Ne1 Qc7+=) 8.d4 cd4 9.Qd4 e5 +=.

6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 Nbd7 6.Nf3).

6.c4 b6 7.Be2 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5 7.Be2 Nbd7).

(--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7).

7.Be2 0-0 (--> 1. b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0).

7.Be2 0-0 8.0-0 b6 9.a4 Bb7 10.d3 Qe7 11.Nbd2 (--> 1. b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.0-0 b6 9.d3 Bb7 10.Nbd2 Qe7 11.a4).

7.0-0 0-0 8.Be2 e5 9.d3 Qc7 +=.

7.0-0 Qc7 8.Nc3 e5 9.Kh1 e4 –/+.

7.0-0 e5 8.Be2 0-0 9.d3 Qc7 +=.

7.0-0 e5 8.Nh4 Nf8 (8...e4!? 9.Be2 Nb6=+) 9.Nf5= Bf5 10.Bf5 Ne6 11.c4 d4 12.d3 0-0 13.a4 g6 14.Be6 fe6 15.a5 Qe7 (15...Qc7 16.a6+=) 16.a6+= b6 17.Re1 Qf7 18.Nd2 e4 (18...Rad8 19.Nf3+=) 19.ed4 ed3 20.Nf3 Ng4 21.h3 Nh2 22.Qd3 (< 22.Nh2 Qf2 23.Kh1 Qb2 24.dc5 Bg3=) 22...Nf3 23.Qf3 (< 23.gf3 Qf4=) 23...Qf3 24.gf3 Rf3 (24...cd4 25.Bd4 Kf7 26.Re4+=) 25.Re6 Rd8 26.Rd1 Rb3? (26...Kf7 27.Re3 Rf5+–) 27.Kg2 (better is 27.dc5 Bh2 28.Kh2 Rd1 29.cb6 ab6 30.Re8 Kf7 31.a7+–) 27...Rb2? (better is 27...Bf8 28.Ba1 Rb4+=) 28.dc5+– Rf2? (28...Rf8 29.cd6 Rbf2 30.Kg1 R2f7+–) 29.Kf2 Bc5 30.Ke2 Rf8 31.Rd7 Rf2 32.Kd1 Rh2 (32...Rf1 33.Re1 Rf8 34.Ra7+–) 33.Re8 (33.Ra7 Bf8+–) 33...Bf8 34.Ra7 Rh3 1–0. market (2190) – Orla (1965), GameColony.com, 2002.

7.Nc3 e5 (7...Qc7 8.Be2 e5 9.Nh4 Nb6–/+; 7...0-0 8.0-0 e5 9.Bf5 e4–/+) 8.Bf5 e4 9.Ng5 Ne5 –/+.

7.Be2 a6 (7...0-0 8.c4 e5 9.d3 dc4+=; 7...e5 8.0-0 0-0 9.d3 a6+=) 8.Nc3 e5 9.ba6 ba6 +=.

7.0-0 e5 A) 8.Na3 c4 9.Nb1 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Bd6=+; B) 8.d3 Bd6 9.Nh4 e4 10.Kh1 Ne5 11.d4 Neg4 12.h3 Nf2=+; C) 8.Kh1 a6 (8...Bd6 9.Nh4 Nb6 10.a4 Qe7 11.a5 Nc4 12.Bc4 dc4=) 9.c4 e4 10.Ne1 dc4 11.Bc4 Bd6 12.ba6 ba6=+; D) 8.Nh4 a6 9.Nc3 d4 10.Nb1 Nb6 11.a4 Be6 12.a5 Nc4=.

7.Nc3 A) 7...Bd6 8.d4 cd4 (8...0-0 9.dc5 Nc5 10.0-0 Rd8 11.Rb1 e5 12.Nd5 Nd5=+; 8...c4 9.a4 Qa5 10.0-0 Nb6 11.Ba3 Bh2 12.Nh2 Qc3=) 9.Qd4 e5 10.Qd2 Nb6 11.a4 0-0 12.a5 Nc4=+; B) 7...e5 8.Nh4 d4 (8...Qa5 9.a3 d4 10.Nb1 Nb6 11.ed4 ed4 12.0-0 Bd6=+; 8...Nb8 9.0-0 Bd6 10.a4 d4 11.Nb1 g5 12.Nf3 e4=+) 9.Nb1 Nb6 10.a4 Be6 11.ed4 ed4 12.0-0 Bd6–/+.

7.c4 dc4 8.Na3 (8.0-0 e5 (8...Bd6 9.Na3 e5 10.Nc4 e4 11.Nd6 Qd6 12.Ne1 a6=) 9.Bc4 Bd6 10.d3 Nb6 11.Bb3 0-0 12.a4 c4=; 8.Bc4 Bd6 9.d3 e5 10.Nbd2 Nb6 11.0-0 0-0 12.Bb3 a6=) 8...b6 (8...c3 9.Bc3 e5 10.Qc2 Nd5 11.Nc4 Nc3 12.dc3 Be7+=; 8...e5 9.Nc4 e4 10.Nfe5 a6 11.Nd7 Bd7 12.Bf6 gf6+=) 9.Nc4 Bb7 (9...a6 10.Qa4 Be7 11.0-0 Bb7 12.Rfb1 ab5=) 10.0-0 (10.a4 a6= 11.ba6 Ba6 12.Nfe5 Be7=) 10...Bd6 (10...Be7!?= 11.d4 0-0 12.dc5 Bc5=) 11.Nd6+= (11.d4 Be7 12.dc5 Bc5+=) 11...Qd6 12.d4 Qe7 (12...Rd8+=) 13.dc5 Nc5 14.Nd4 (14.Qd4 0-0+=) 14...0-0 15.Bf3 Nfe4 16.Qc2 f5 17.Ba3 Rac8 18.Rac1 Bd5 19.Qe2 Qf6 20.Rc2 (20.Rfd1 Rfd8=) 20...Rf7 (20...e5 21.Nb3 Bb3 22.ab3=) 21.Rfc1 Rfc7 22.h3 (22.Qd1 Bb7=) 22...Qf7 23.Qd1 h6 24.Bh5 g6 25.Be2 f4 26.Nf3 (26.ef4 Qf4 27.Bg4 Re8+=) 26...fe3= 27.fe3 Ng3 28.Ne5 Qf5 29.Ng4 Qg5 30.Bb2 Nge4 (30...Ba2? 31.Bf6 Qd5 32.Be5 (32.Nh6?! Kh7 33.Ng4 Bb3=) 32...Qd1 33.Bd1+–) 31.Qd4 Kh7 (31...Ba2?? 32.Qh8 Kf7 33.Rf1 Qf5 34.Nh6 Ke7 35.Nf5 ef5 36.Qe5 Be6 37.Bf3+–) 32.Bf3 h5 33.Be4 hg4 34.Bd5 ed5 35.hg4 (35.Qg4?! Qg4 36.hg4 a5+=) 35...Qe7 (35...Qh4 36.g3 Qg3 37.Rg2 Ne6 38.Rc7 Qc7+–) 36.g3 (36.Qd5?! Qe3 37.Kh2 Qh6 38.Kg3 Rf8=) 36...Rf8 (36...g5 37.Rf1 Rf8+–) 37.Rh2 (37.Rh2 Kg8 38.Qd5 Ne6 39.Rc7 Rf1 40.Kf1 Qf8 41.Kg2 Qf1 42.Kf1 a6 43.Rh8) 1–0. Jeric,Simon (2295) – Gjuran,Denis (2165), 13th Open, Ljubljana SLO (5), 2002.

7.c4 Bd6 A) 8.Nc3 dc4 (8...0-0 9.cd5 ed5 10.0-0 Re8 11.Rc1 Nb6 12.Na4 Na4=) 9.Bc4 0-0 10.d4 Nb6 11.dc5 Bc5 12.Bd3 e5=; B) 8.cd5 ed5 9.0-0 0-0 10.Qc2 a6 11.Nc3 Re8 12.ba6 ba6=; C) 8.Qc2= 0-0 (8...a6 9.Nc3 0-0 10.cd5 ed5 11.Ng5 g6 12.ba6 ba6=) 9.cd5 ed5 10.0-0 Re8 11.Rc1 a6 12.ba6 ba6=; D) 8.Qb3 0-0 9.d3 Rd8 10.0-0 e5 11.cd5 Nb6 12.e4 Nh5+=.

7.d3 A) 7...Bd6 A1) 8.0-0 e5 (8...0-0 9.c4 dc4 10.dc4 e5 11.Nfd2 Re8 12.Nc3 e4=; 8...a6 9.Na3 0-0 10.ba6 ba6 11.c4 Rb8 12.Qc1 Ng4=+) 9.Nh4 e4 10.Kh1 Ne5 11.d4 Neg4 12.h3 Nf2=+; A2) 8.Nbd2 e5 (8...a6 9.ba6 Ra6 10.c4 0-0 11.d4 cd4 12.Nd4 Qb6=; 8...0-0 9.c4 a6 10.ba6 Ra6 11.0-0 Rd8 12.d4 Rb6=) 9.c4 d4 10.Nb3 0-0 11.0-0 de3 12.fe3 Ng4–/+; A3) 8.Na3 e5 9.c4 e4 10.Nd2 ed3 11.Bd3 d4 12.ed4 cd4=; A4) 8.c4 0-0 (8...dc4 9.dc4 0-0 10.Bd3 Ne5 11.Ne5 Be5 12.Nc3 Rd8=) 9.Qb3 Rd8 10.0-0 dc4 11.Qc4 b6 12.Nc3 Bb7=; B) 7...e5 8.Nbd2 Bd6 (8...Be7 9.0-0 0-0 10.c4 d4 11.Nh4 a6 12.Nf5 Nb6=) 9.c4 d4 10.Nb3 0-0 11.0-0 de3 12.fe3 Ng4–/+; C) 7...Be7 C1) 8.c4 Bd6 (8...0-0 9.cd5 ed5 10.0-0 Re8 11.Qb3 Qd6 12.a4 Bf8=; 8...dc4 9.dc4 0-0 10.0-0 e5 11.Nc3 Rd8 12.Qc2 Bd6=) 9.Nc3 0-0 10.Qb3 Nb6 11.a4 a5 12.ba6 dc4=+; C2) 8.Nbd2 e5 (8...0-0 9.c4 a6 10.a4 Bd6 11.0-0 b6 12.Qc2 Bb7=; 8...a6 9.a4 0-0 10.c4 Bd6 11.0-0 b6 12.Qc2 Bb7=) 9.0-0 0-0 10.c4 d4 11.Nh4 a6 12.Nf5 Nb6=; C3) 8.0-0 e5 (8...0-0 9.c4 Bd6 10.Nbd2 a6 11.ba6 ba6 12.Qc2 Rb8=; 8...a6 9.ba6 ba6 10.Nbd2 Rb8 11.Rb1 0-0 12.c4 Bd6=) 9.Nbd2 0-0 10.c4 d4 11.Nh4 a6 12.Nf5 Nb6=; D) 7...Qa5 8.Nc3 d4 (8...a6 9.ba6 Ra6 10.Nd2 Bd6 11.0-0 0-0 12.Nb3 Qb4=; 8...e5 9.Nd2 d4 10.Nc4 Qc7 11.Ne4 Ne4 12.de4 Nf6=) 9.ed4 cd4 10.Nd4 Bb4 11.Qd2 Nd5 12.Bf3 Bc3–+.

7.d4 cd4 A) 8.Bd4 e5 (8...Bd6 9.Nbd2 e5 10.Bb2 e4 11.Nd4 Nb6 12.a4 Nc4=) 9.Bb2 Bb4 10.Nbd2 Ne4 11.0-0 Nc3 12.Bc3 Bc3=+; B) 8.ed4 Bb4 9.Nbd2 Ne4 10.0-0 Nc3 11.Bc3 Bc3 12.Rb1 0-0=.

7.0-0 0-0 8.Nc3 Qc7 9.d4 c4 10.Qc1 Ng4 11.h3 Nh2 12.Nh2 Bh2 13.Kh1 Nf6?? (better is 13...Bd6=) 14.g3+– Bg3 15.fg3 Qg3 16.Rf3 Qh4 17.Qg1 e5? (better is 17...Ne4 18.Qg2 Ng5+–) 18.de5 Bh3 (18...Ne4+–) 19.Qg3 (19…Qg3 20.Rg3+–) 1–0. first – fluor6, Live Game Caissa's Web, 2004.

7.0-0 0-0 8.d3 Qc7 9.c4 a5 10.Nc3 b6 11.e4 Bb7 12.Qc2 Ne5 13.g3 Rad8 14.Ne1 de4 15.de4 Ne8 16.f4 Nd7 17.e5 Be7 18.Ne4 f5 19.ef6 gf6 (19...Nef6? 20.Ng5+–; worse is 19...Ndf6 20.Ng5 Bc8 21.Bg4+/–) 20.Nf3 Rf7 21.Rae1 Nf8 22.Bd3 Ng7 23.Ned2 Rd7 24.Be4 Be4 25.Ne4 Nf5 26.Nf2 Nd4 27.Bd4 cd4 28.Re4 Bc5 29.Nd3 Qb7 30.Nc5 bc5 31.Qd3 Rde7 32.Rfe1 Qb6 33.Rb1 Ng6 34.Ne1 (better is 34.Kh1!?+=) 34...f5+= 35.Re2 e5 36.fe5 Ne5 (worse is 36...Re5 37.Ng2=) 37.Qb3 Qe6 38.b6 Nf3 39.Nf3?? (39.Qf3 Qe2 Double attack (39...Qe2 Discovered attack; 39...Qe2 Decoy); 39.Nf3 Qe2 Discovered attack) 39...Qe2–+ 40.Re1 Qe1 (better is 40...a4 41.Re2 ab3 42.Re7 Re7 43.ab3 Rb7–+) 41.Ne1= Re1 42.Kf2 (42.Kg2 Re2 43.Kf1+=) 42...Ree7 (better is 42...Rfe7!? 43.Qf3 Kg7=) 43.Qb5+= f4 (43...d3!? 44.Qa5 Rd7+=) 44.Qc5+/– (44.Qa5?! fg3 45.Kg3 Rf6 46.Qa8 Kg7=) 44...fg3 45.Kg3 d3 46.Qc8 (46.Qa5 Re3 47.Kg4 Re4 48.Kg5+/–) 46...Kg7+/– 47.Qg4 Kf8 ½–½. Danek,Vaclav (1990) – Routner,Jakub (2160), CZE–chT2a, 2007.

7.0-0 b6 8.c4 0-0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0-0 8.0-0 b6).

7.0-0 e5 8.d3 0-0 9.c4 dc4 +=.

7.Nc3 0-0 8.0-0 =+.

7.Nc3 b6 8.0-0 0-0 9.a3 =.

7.Nc3 b6 8.0-0 Bb7 9.d4 (9.a3 0-0=) 9...Rc8 (9...0-0 10.dc5 Nc5 11.Nd4=) 10.a4 (10.dc5 Nc5 11.Qd4 Qc7=+) 10...0-0=+ 11.Qd2 Qc7 12.h3 (12.Rfd1 cd4 13.Qd4 Ne5=+) 12...Ne4 (12...cd4 13.Qd4 (13.Nd4? Bb4–+) 13...Ne5 14.Ne1–/+) 13.Ne4= de4 14.Ne1 (14.dc5 Nc5 (< 14...Qc5 15.Ba3 Qd5 16.Qd5 Bd5 17.Bd6 ef3 18.Bf3+/–; 14...Bc5?! 15.Qc3 Nf6 16.Nd2=) 15.Qc3 f6=) 14...cd4 15.Bd4 e5 16.Bb2 Rfd8 17.c4 a5 18.Nc2 (18.Qc2 Bb4–/+) 18...Nc5 19.Qc3 Nd3 20.Bd3 ed3 21.Qd3 Qc4 22.Ne1 (22.Qc4 Rc4 23.Rfc1 Rdc8–/+) 22...Qb4 23.Qe2 Bb8 24.Nd3 Qe4 25.Ne1–/+ Bd5 26.f3 Qg6 27.Rf2 Bc4 28.Qc2 Qg5 29.e4 Be6 30.Qe2 Bh3 31.Nd3 Be6 32.Rff1 Bc4 33.Rfd1 Bd6 34.g4 Bc5 35.Kg2 h5 36.Bc1 Qh4 37.g5?? Bd3 38.Rd3 Rd3 39.Qd3 Qf2 40.Kh3 Bd4 41.g6 h4 42.gf7 Kf7 43.Qb3 Kf6 (44.Bg5 Kg5 45.f4 Qf4–+) 0–1. Hallila,Erkki – Kuhlmann,AEJ, corr ICCF TT–4–90 SF, 1995.

7.c4 0-0 8.cd5 ed5 9.0-0 Qe7 +=.

7.c4 a6 8.ba6 ba6 9.Nc3 0-0 =.

7.c4 dc4 8.Na3 Bc7 9.Nc4 a6 =.

7.c4 e5 8.cd5 e4 9.Nh4 Nb6 +=.

7.c4 Qe7 8.0-0 0-0 9.d4 Rd8 =.

7.d4 0-0 8.0-0 b6 9.Ne5 (9.c4 a6=) 9...Qc7 (9...a6 10.Na3=+) 10.f4 Ne4 (10...a6 11.Nc3=+) 11.Nd2= Nd2 (11...Ndf6 12.Ne4 Ne4 13.c4=) 12.Qd2 f6 (12...a6 13.a4=) 13.Nd7 Bd7 14.a4 (14.dc5 Bc5 15.a4 Rac8=) 14...Rac8 Black prepares c4 (14...c4!?=+) 15.Ba3 (15.c4 cd4 16.Bd4 e5 17.fe5 fe5=) 15...Be8 (15...Rfd8 16.Rac1=) 16.Rac1 (16.c4 cd4 17.Qd4 Bc5 18.Bc5 bc5+=) 16...c4 17.Bd6 Qd6 18.c3 (18.Bg4 a6 19.Rb1 f5=+) 18...Bg6 (18...a6 19.Qb2=+) 19.g4 (19.Bf3 a6=+) 19...Be4 20.Bf3 ½–½. Praum – Griesbach,Roland, corr DDR–CupT8, 1988.

8.Nc3 Qc7 =+.

8.c4 d4 9.d3 Nf8 10.e4 Ng6 11.Bc1 0-0 12.a4 Ne8 13.Ne1 f5 14.ef5 Bf5 15.Bf3 Qe7 Black prepares e4 16.Nd2 Nf6 Black plans e4 17.g3 e4 18.de4 Ne4 19.Ng2 (better is 19.Ne4!? Be4 20.Be4 Qe4 21.Qd3 Qd3 22.Nd3+=) 19...Nc3–+ 20.Qe1 Ne5 21.Nf4 Nf3 22.Nf3 Be4 23.Nd2 Bf4 24.gf4 Rf4 25.f3 Qg5 26.Kh1 Bd3 27.Rf2 (27.Qe6 Rf7 28.Re1 Qf4–+) 27...Qf5 28.Bb2 Rf8 29.Qe7 Qf7 (29...Qc8!? 30.Rg2 R8f7 31.Qe1–+) 30.Qc5 Ne4! 31.Qd4 (31.Ne4 Be4 Combination; 31.fe4 Rf2 Pinning (31...Rf2 Deflection; 31...Be4 Decoy)) 31...Nf2 32.Qf2 Bc4 33.Rg1 g6 34.Qe3 Bd5 35.Qc3 Qf6 (35...Bf3? 36.Nf3 Qf6 37.Qf6 R8f6 38.Bf6 Rf3 39.Bd4+–) 36.Qc1?? (better is 36.Qf6 R8f6 37.Bf6 Rf6 38.Re1+=) 36...Rf3–+ 0–1. Bender – Huehnel, postal, 1985.

8.c4 e4 9.Nh4 Nb6 10.Qc2!? =+.

8.c4 e4 9.Nh4 Nb6 10.cd5 Nbd5?! 11.d3 =+.

8.d4 cd4 9.ed4 e4 10.Nfd2 Qc7 11.g3 Nb6 12.Ba3 (12.a4 0-0=+) 12...Ba3 13.Na3 Qe7 (13...Qd6 14.Nab1=+) 14.Nab1 (14.Qc1 Be6=+) 14...e3 (better is 14...0-0=+) 15.Nf3? (better is 15.Nb3!?=+) 15...Bh3 (better is 15...ef2 16.Rf2 Ng4–+) 16.Re1?? (better is 16.Ne5 Bf1 17.Qf1–+) 16...ef2 17.Kf2 (17.Kh1 fe1R 18.Qe1–+) 17...Ng4 18.Kg1 Qe3 19.Kh1 Nf2 20.Kg1 Nd1 21.Kh1 Nf2 22.Kg1 Nd3 (23.Kh1 Ne1 24.Ne1 Qe4 25.Nf3 Qe2 26.c4 Qg2#; 22...Ne4 23.Kh1 Qf2 24.Bf1 Qf3 25.Kg1 Qf2 26.Kh1 Bg2 27.Bg2 Qe1 28.Bf1 Qf1#) 0–1. Richard,Andy – Hildenbrandt,Phil, M–1262.2, 1997.

8.d4 cd4 9.ed4 e4 10.Nfd2 Qc7 11.h3 0-0 =+.

7.0-0 0-0 8.a4 b6 9.c4 a5 (9...dc4 10.Bc4 Bb7 11.d3=) 10.d4 (10.Nc3 Bb7=) 10...Bb7 11.Nbd2 Ne4 (11...cd4 12.Bd4 Qb8 13.cd5 Bd5 14.Bc4=) 12.cd5 (12.Ne4 de4 13.Ne5 Ne5 14.de5 Qc7=) 12...Bd5 (12...Nd2 13.Nd2 Bd5 14.Bf3=) 13.Ne4 Be4 14.Nd2 (14.Bd3 Nf6=) 14...Bb7 15.Bf3 Bf3 16.Qf3 Bf6 (16...cd4 17.Bd4 Rc8 18.Rfd1=) 17.Ne4 cd4 18.Nf6 (18.Rad1 Be5 19.ed4 Bf6+=) 18...Qf6 19.Qg4 (19.Qf6 Nf6 20.Bd4 Nd7+=) 19...Rfd8= 20.Rfd1 (20.Rac1 Qg6 21.Qg6 hg6 (worse 21...fg6 22.ed4 Kf7 23.Rc6+–) 22.Bd4 e5=) 20...Ne5 21.Qe4 de3? (better 21...Nc4 22.Bd4 e5=) 22.Be5+– Qf2 23.Kh1 Rd1 24.Rd1 Do you see the mate threat? 24...Rf8 (24...Rc8 25.Qg4 g6 26.Qd4+–) 25.Bg3 (25.Bd4 e2 26.Rg1 Qf1+–) 25...Qa2 (25...Qe2 26.Qd4+–) 26.Re1 f5? (better 26...Qd2+–) 27.Qe3 Qa4 (27...h6+–) 28.Qe6 Kh8 (28...Rf7 29.Bd6 h6 30.Qe8 Kh7 31.Qf7 Qg4 32.Be5 h5 33.Bg7 Qg6 34.Qf8 Qg5 35.Bd4 f4 36.Qh8 Kg6 37.Qg7 Kf5 38.Re5 Kg4 39.Qg5) 29.Qf5! (29.Qf5 Qb4 30.Qd3+–) 1–0. Urbanec,Miroslav – Drapal,Robert, CSR–ch Army Praha, 1965.

7.0-0 0-0 8.c4 Re8 9.Nc3 b6 10.Qc2 Bb7 11.cd5 ed5 12.d4 Bd6 13.Rfe1 Rc8 14.Rad1 Qc7 15.g3 cd4 16.Rd4 Ne4 17.Rc1 Ndf6 18.Qb3 Nc3 19.Qc3 Qc3 20.Rc3 Rc3 21.Bc3 Rc8 22.Be1 Bc5 23.Ra4 Ra8 24.Bb4 Ne4 25.Ne5 ½–½. Larsen,Andreas – Schmitz,Norbert, NNM Klasse, 1997.

7.c4 0-0 8.0-0 Nb6 9.Ne5 Bd6 10.f4 Bd7 11.a4 a6 12.a5 Nc4 13.Nc4 dc4 14.b6 Bb5 15.Na3 Be7 16.Bc4 Bc4 17.Nc4 Qd5 18.Qe2 Rfd8 19.Rfd1 Qd3 20.Qd3 Rd3 21.Ra3 Rad8 22.Rd3 Rd3 23.Kf1 Ng4 24.Ke2 Rd8 25.h3 Nf6 26.d4 cd4 27.Bd4 Rd4 28.Rd4 Nd5 29.Kf3 Bf6 30.Rd2 Be7 31.e4 Bb4 32.Rd4 Bc5 33.Rd3 Bb4 34.ed5 ed5 35.Na3 1–0. Buczinski – Pawlowski, Siemianowice Slaskie 1965.

6.a4 Bg7 7.c4 b6 8.Nc3 Bb7 9.Be2 0-0 10.d4 cd4 11.Nd4 dc4 12.Bc4 Bg2 13.Rg1 Bd5 (13...Bb7 14.Qe2–/+) 14.Be2 Ne4 15.Ne4 Be4 16.Qb3 Nd7 17.Bf3?? (better is 17.Ne6 fe6 18.Qe6 Rf7 19.Bc4=+) 17...Bf3 18.Nf3 Nc5 19.Qc4 Bb2 20.Rd1 Qf6 21.Nd4 (21.Qe2 Rfd8 22.Rd8 Rd8–+) 21...Rad8 22.Nc6 Rd1 23.Kd1 Qf3 (23...Qf2!? 24.Re1–+) 24.Ke1 (24.Qe2 Qd5 25.Ke1 Bf6–+) 24...Qe4 (better is 24...Ne4 25.Qc2 Bc3 26.Kf1 Qh3 27.Rg2 Nd2 28.Ke2–+) 25.Qe4 Ne4 26.Ne7 Kg7 27.Nc6 Nc5 28.h4 (28.f3 a5–+) 28...h5 29.Ne5 (29.f3–+) 29...Be5 30.f4 Bf4 (better is 30...Bf6 31.Kd2–+) 31.ef4 Na4 32.Ke2 (32.Rg3 Rc8–+) 32...Nc3 33.Ke3 Nb5 34.f5 (34.Rc1 Rd8–+) 34...ef5 35.Kf4 (35.Rb1 Re8 36.Kd3 Rd8 37.Ke3 Na3–+) 35...Re8 36.Rb1 Re4 37.Kg3 a6 38.Rc1 (38.Rb2 Rg4 39.Kh3 Nd4–+) 38...Re6 (38...Rg4!? 39.Kf2 Rh4 40.Ra1–+) 39.Rc8 (39.Rb1 Nc3 40.Rb3 Ne4 41.Kg2 b5–+) 39...Nd4 40.Ra8 a5 41.Rd8 (41.Ra6 f6 42.Ra7 Kh6–+) 41...Kf6 (better is 41...Re4–+) 42.Rd4 b5 43.Rd5 (43.Rd8–+) 43...Rb6 (44.Kf4 a4–+) 0–1. MammaMia – Putte8, Live Game Caissa's Web, 2004.

6.Be2 Bg7 +=.

7.Be2 0-0 8.0-0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 dc4 12.Qa4 (12.Na3 A) 12...Qd5 A1) 13.Bc4 Qf5 (13...Qh5 14.Ne5 Rd8 15.d4 cd4+=; 13...Qe4 14.d4 Rd8 15.Qe1 Nbd7+=) 14.d4 Rd8 15.Bd3 Qh5+=; A2) 13.Qc2 Qe4 (13...Nbd7 14.Nc4 Rd8 15.d3 Qh5+/–; 13...Rd8 14.Be5 Nbd7 15.Bc7 Re8+/–; 13...Bd7 14.Be5 Qe4 15.Qb2 Ne8+/–; 13...h6 14.Bc4 Qh5 15.Be2 Nbd7+=) 14.Qe4 Ne4 15.Bg7 Kg7+=; A3) 13.Be5 Nbd7 14.Bc4 Qe4 15.Bd6 Re8+=; A4) 13.Bc3 Rd8 (13...h6 14.Nc4 Nbd7 15.d3 b6+=; 13...Nbd7 14.Nc4 Rd8 15.d3 Qf5+=; 13...b6 14.Nc4 Qd8 15.d4 Nd5+=; 13...Re8 14.Nc4 Nbd7 15.d3 e5+= ) 14.Nc4 Nbd7 15.d3 Qf5+=; A5) 13.Nc4 Bd7 (13...Nbd7 14.d3 Rd8 15.e4 Qh5+/–) 14.Nce5 Rd8 15.d4 h6+=; B) 12...Qa5 13.Qc1 B1) 13...Rd8 14.Bc3 Qa8 (14...Qb6 15.Qb2 Nbd7+/–) 15.Qb2 Nbd7+=; B2) 13...b6 14.Bc3 Qa8 15.Nc4 Nbd7+=; B3) 13...Nd5+= 14.Bg7 Kg7 15.e4 (15.Bc4 Nd7+=) 15...Nf6+=; 12.Bc4 Nbd7 (12...b6; 12...Qe7) A) 13.d4 b6 (13...Qe7; 13...Nb6; 13...Qc7; 13...cd4) 14.Qe2 (14.dc5 Nc5 15.Qe2 Bb7=) 14...Bb7 15.dc5 Nc5=; B) 13.Qc2 b6 (13...Qe7) 14.d4 Bb7 15.Nbd2 Qc7=) 12...Nbd7= (12...b6 13.Qa7 Nbd7 14.Bc4 Qe7 15.d4 cd4+=; 12...Qe7 13.Na3 (13.Rd1) 13...Rd8 (13...Nbd7 14.Nc4 Rd8 15.Rd1 Nd5+=; 13...c3 14.Bc3 Nbd7 15.Nc4 Rd8+=; 13...h6 14.Nc4 Nbd7 15.Qc2 Rd8+=; 13...Re8 14.Nc4 Nbd7 15.Rd1 Rd8+=) 14.Nc4 Nbd7 15.Nce5 Ne5=; 12...h6 13.Qc4 Qd5 (13...Nbd7 14.d4 b6 15.dc5 Nc5+=; 13...b6 14.d4 Nbd7 15.dc5 Nc5+=) 14.Qf4 Nbd7 15.Nc3 Qh5+=) 13.Na3 (13.Qc4 b6 (13...Qe7 14.d4 b6 15.dc5 Nc5=) 14.d4 Bb7 15.Rd1 Bd5=) 13...Nb6 (13...Qc7 14.Qa7= (14.Nc4 b6 15.d4 Bb7=) 14...c3 15.Bc3 e5=; 13...b6 14.Nc4 Bb7 15.d4 Qc7= (15...Qb8=)) 14.Qa7 Nfd5 (14...Re8 15.Nc4 Nc4+=) 15.Bg7 Kg7 16.Nc4 Bd7 17.Qb7 (17.Na5 Nc8 18.Qb7 Nd6=) 17...Bb5= 18.Rc1 Qb8 (18...Nf6 19.d3 Bc4 20.dc4=) 19.Qb8 Rb8 20.Kf1 Nc4 (20...Bc4 21.Bc4 Nc4 22.Rc4=) 21.Bc4 Bc4 (21...Kf6 22.Be2=) 22.Rc4 Rc8 (22...Rb5!?=) 23.d4+/– Kf6 (23...Rc7 24.Rc5 (worse is 24.dc5 Nb6 25.Rc1 Nd7=) 24...Ra7 25.Rc2+/–) 24.Nd2 (24.e4 Nb4+/–) 24...Ke7 (24...Ra8 25.Rc5 Ra2 26.Ke2+/–) 25.Ne4 Nb6 (25...f6 26.Ke2+/–) 26.Rc5 Rc5 27.Nc5 f5 28.Ke2 g5 29.Kd3 Kd6 30.e4 h6 31.ef5 ef5 32.Nb7 (32.Nb7 Kd7 33.g3+/–) 1–0. Belov,PI – Kolesnikov,AY, corr semi Nipsegorodskaya oblast RUS, 1994.

7.Be2 0-0 8.0-0= b6 9.d3 dc4 10.dc4 Bb7 11.Nbd2 Nbd7 12.Qc2 Qc7 13.h3 Rfd8 14.Rfd1 Nf8 (14...a6 15.ba6 Ra6 16.Bd3=) 15.Nf1 (15.Be5 Qe7+=) 15...Ne4 (15...a6 16.Be5 Qe7 17.Rd8 Rd8 18.ba6 Ba6 19.Rb1+=) 16.Bg7+= Kg7 17.Qb2 f6 18.N3d2 Nd6 19.Ng3 e5 20.Rac1 a5 21.a4 Ne6 22.Nb3 Ng5 23.f3 Bc8 24.e4 Ne6 25.Bd3 Nf7 26.Bb1 Nf4 27.Ne2 Be6 28.Nf4 ef4 29.Ba2 Ne5 30.Rd8 (30.Nd2 Nd3 31.Qc3 Nc1 32.Qc1 Rd7–+) 30...Rd8 31.Na5?? (better is 31.Nd2=+) 31...Nd3–+ 32.Qc2 Nc1 (32...ba5 33.Rd1 Nb4 34.Qe2 Rd1 35.Qd1 Na2 36.Qd3–+) 33.Nc6 Na2 34.Nd8 Qd8 (35.Qa2 Qd4 36.Qf2 Qc4–+) 0–1. Helm – Grey, GT–87–071A, 1988.

7.Be2 dc4 8.Nc3 =.