6.Bb2 a6 7.Nf3 Bg4 8.Be2 h6 (8...Nc6 9.a3 Ba5 10.0-0=) 9.h3 Bh5 (9...Be6 10.Qb3 Nc6 11.a3+=) 10.0-0 Qd7 (10...Nc6 11.a3 Ba5 12.d4=) 11.Nc3 (11.Qb3 Nc6 12.Bf6 gf6+/-) 11...c6 (11...Nc6 12.Nd5 Nd5 13.cd5=) 12.a3 (12.Na4!? Ba5 13.Bf6 gf6 14.c5+/-) 12...Ba5= 13.Qc2 Bc7 (13...b5 14.d3=) 14.a4 d5 15.cd5 Nd5 16.Nd5 Qd5?? (better 16...cd5 17.Rfc1 Nc6+=) 17.Qc3+- Be5 (17...f6 18.Bc4 Bf3 19.gf3+-) 18.Ne5 Be2 19.Nd7!! f6 (19...Nd7 20.Qg7 Mate attack; 19...Qd7 20.Qg7 Mate attack) 20.Nf8 (better 20.Nb6 Qd3 21.Qd3 Bd3 22.Na8+-) 20...Bf1+= 21.Kf1 Kf8 22.Qb4 (22.e4 Qe6+=) 22...c5= 23.Qc3 Nc6 (23...Nd7!?=) 24.Ba3+= b6 25.Rb1 (better 25.d4+/-) 25...Rb8? (25...Ne5 26.Rb6 Nc4 27.d3 Nb6 28.Bc5 Kg8 29.Bb6+=) 26.d4 (26.Rb6! Kg8 27.Bc5 Rb6 28.Bb6 Qe4 29.Qb3 Kh8+-) 26...Qa2 (26...Kg8 27.Rc1+=) 27.Rc1 (27.Rb6 Rb6 28.Qc5 Ke8 29.Qb6 Qc2+-) 27...Kg8 28.dc5 bc5 29.Qc5 Ne5 30.Rd1 (30.Kg1 Kh7+/-) 30...Qc4 (30...Rb1 31.Rb1 Qb1 32.Ke2 Qa2 33.Kf1=) 31.Kg1 (31.Qc4!? Nc4 32.Bc5+/-) 31...Qa4= 32.Rd7?? (better 32.Qd6 Rc8 33.Qe6 Kh7 34.Rd2=) 32...Qd7-+ 33.Qd5 (33.Kh2-+) 33…Qd5 (33...Qd5 34.f4 Nf3 35.Kf2 Nh4 36.Ke2 Qc4 37.Kd1 Ng2 38.Bb4 Rd8 39.Bd2 Ne3 40.Ke1 Qf1) 0-1. AhmedSultanov (1720) - Antonio_Pentrella (1670), lichess.org, 2019.

6.Bb2 Na6 7.Be2 Nc5 8.Nf3 Bd7 9.Nc3= Bc3 (9...h6 10.0-0=) 10.Bc3 Na4 11.Bd4 c5 12.Bf6 Qf6 (worse 12...gf6 13.Qc2+-) 13.0-0 Rfe8 14.Qc2 Rac8 15.Bd3 h6 16.Bh7 (16.Be4 Rc7=) 16...Kf8 17.Be4 b5 18.cb5 Bb5 19.Rfe1 Bd7 20.Rec1 (20.Rac1 Nb6=) 20...Nb6 (20...g5 21.h3=+) 21.a4= a5 22.Bd3 Nd5 (22...Bc6 23.Qc3=) 23.Bb5= Nb4 24.Qc4 d5 25.Qe2 (25.Qh4 Qh4 26.Nh4 Ke7=) 25...Re7 26.Bd7 Rd7 27.Qb5 Ra8?? (better 27...Ra7 28.Rab1 Qd6=) 28.Qd7+- Rd8 (28...c4 29.Nd4+-) 29.Qb5 (29.Qb5 Rc8 30.Qa5+-) 1–0. Pierre – Gargannyi, internet, 2020.

6.Bb2 Bg4 7.Be2 Be6 8.Nf3= Nc6 9.0-0 Re8 10.d4 d5 11.c5 Ne4 12.Nbd2 Bd2 (12...Bg4 13.Rc1=) 13.Nd2 b6 (13...Qg5 14.Ne4 de4 15.f4+=) 14.cb6 (14.Rc1!? Nd2 15.Qd2=) 14...ab6= 15.Bb5 Bd7 16.Qc2?? (better 16.Ne4 de4 17.a4=) 16...Nb4–+ 17.Qb3 Bb5 (17...Nd2?! 18.Qb4 Bb5 19.Rfe1 Nf3 20.gf3–+) 18.Rfd1?? (18.Ne4 Bf1 19.Kf1 Re4 20.Qb4 c5–+) 18...Nd2 (better 18...Ba4 19.Qb4 c5 20.dc5 bc5 21.Qa3 Bd1 22.Qd3–+) 19.Qb4?? (19.Rd2 Ra4 20.Bc3 c5–+) 19...Nc4 (better 19...Nf3! 20.Kh1 Be2–+) 20.Qb5–/+ Nb2 (20...c6!? 21.Qb3 h5–/+) 21.Qb2=+ Qd6 22.Rdc1 c5 23.dc5 bc5 24.a4 d4 (24...Re4 25.Qb5 c4 26.Rd1+=) 25.ed4 Qd4 Attacking the isolated pawn on a4 (25...cd4 26.Rd1 Red8 27.a5=) 26.Qc2 Rec8 Black plans c4 27.a5 Rc6 (27...c4 28.Ra4=) 28.Ra4 (28.Rd1 Qf6+=) 28...Qd5 (28...Qd7 29.Qc3=) 29.Qc3 (29.Rd1 Qe6+=) 29...f6 (29...c4 30.g3=) 30.h3 (30.Rc4 Re8+=) 30...c4= Exerts pressure on the isolated pawn 31.Rc4 Rc4 32.Qc4 Qc4 33.Rc4 Ra5 34.Rc8 Kf7 35.Rc7 Kg6 36.g4 f5 37.f3 fg4 38.fg4 Ra1 39.Kg2 Ra2 40.Kg3 Ra3 41.Kh4 Ra5 42.Rc6 Kf7 43.Rc7 Kf6 44.g5 Kg6 (44...Rg5?? 45.Rc6 Kf5 46.Rc5 Kf6 47.Rg5+-) 45.Rc6 Kf7 46.Kh5 h6 47.h4 hg5 48.hg5 Re5 49.Kg4 Re6 50.Rc7 Kg6 51.Kf4 Rb6 ½–½. retiponziani (1780) – shadowlion (1740), ChessWorld.net, 2014.

7.Nf3 d5 8.cd5 cd5 9.Be2 Nc6 10.0-0 Bg4 11.h3 Bh5 12.Qb3 Ne4 13.Rd1 (13.a3 Ba5+=) 13...Qd6 (13...Ng5 14.a3 Bd6 15.Nc3 Bf3 16.Bf3 Nf3 17.gf3 Qg5 18.Kf1=+) 14.a3 Ba5 15.Nc3 Attacks the isolani on d5 (15.Qb7?? Rab8 16.Qa6 Rb2-+) 15...h6 (15...Rad8 A) 16.Qb7?? Nc5 17.Nb5 Qh6 (17...Nb7?! 18.Nd6 Rd6 19.Rac1-+) 18.Bg7 Kg7-+ (18...Nb7? 19.Bh6 Rfe8 20.Bg5+-); B) 16.Qb5 Bc3 17.Bc3=) 16.Nb5 (16.Rab1 Rfd8=) 16...Qg6 (16...Qd7 17.d3 Nd2 18.Nd2 Be2 19.Re1=) 17.d3 (17.Nbd4 Nd4 18.Nd4 Be2 (worse 18...Bd2 19.g4+/-) 19.Ne2 Qg5=) 17...Bf3 (17...Nd2 18.Rd2 (worse 18.Nd2 Be2 19.Nd4 Bd1 20.Rd1 Bb6-/+; 18.Qd5?? Rfd8 19.Qc5 Bf3 20.Bf3 Nf3 21.Kh1 Nd2-+) 18...Bd2 19.g4 Bg4 20.hg4 Qg4 21.Kf1 Qh3 22.Kg1=) 18.Bf3= (18.de4?? Qg2) 18...Ng5 (18...Nd2 19.Rd2 Bd2 20.Bd5=) 19.Bd5+= Nh3 20.Kf1 Ng5 21.Nd4 Rad8 (better 21...Bb6!?+=) 22.Bc6+- bc6 23.Qa4 Bb6 24.Qc6 (24.Nc6 Rde8+-) 24...Qh5 (24...Ne6+=) 25.g4 (better 25.Rac1!?+/-) 25...Qg4= 26.Qg2 Qh5 27.a4 (27.Nf5 f6=) 27...f6 (27...Bd4 28.Bd4 Rd7 29.Qg3=+) 28.a5 (28.f4 Bd4 29.Bd4 Rd4 30.ed4 Ne6=) 28...Bd4=+ 29.Bd4 Rfe8 (29...Rf7 30.Rab1=+) 30.Ba7 Nf3 31.Bb6 Rd6 32.Qg3 Rde6 (better 32...Rd5 33.Qf4 Nd2 34.Ke1 Rd3=) 33.Bc7?? (33.d4+/-) 33...Ng5?? (33...Qh1 34.Ke2 Nd4 35.Kd2 Qh5-+) 34.a6 (better 34.Kg2+/-) 34...Qf7?? (better 34...Ra6! 35.Kg2 Rea8 36.Ra6 Ra6=) 35.a7 (35.Bb8 Ra6 36.Ra6 Qb3+-) 35...Ra8 36.Bb8 (36.Qg2 Ree8 37.Bb8 Reb8 38.ab8R Rb8+-) 36...Re8 (36...Qh5 37.f4 Nf7 38.Rdc1+-) 37.Qg2 Rab8 38.ab8Q Rb8 39.Ra8 Ra8 40.Qa8 Kh7 41.Qg2 (better 41.f4 Qh5 42.Rd2+-) 41...Qh5+/- 42.f4?? (better 42.f3 Nf3 43.Rc1+=) 42...Qd1-+ 43.Kf2 Qd2 44.Kg3 (44.Kf1 Qe3 45.Qd5 Qf4 46.Ke2-+) 44...Qg2 (better 44...Qe3 45.Kh2 Qf4 46.Kg1 Nf3 47.Kf1 Qc1 48.Kf2 Qd2 49.Kg3 Qd3-+) 45.Kg2 Ne6 46.Kf3 (46.f5 Ng5-+) 46...Nf8 (46...f5!? 47.Ke2-+) 47.e4 Kg8 48.f5 Kf7 49.e5 (49.d4-+) 49...fe5 50.d4 Kf6 51.d5 (51.de5 Kf5 52.Kg2 g5-+) 51…e4! (51...e4 52.Ke4 h5-+) 0-1. carlos78 (2305) - renr8360 (2285), Rated Blitz game, lichess.org, 2016.

7.Nf3 h6 8.Be2 Nbd7 9.0-0 Qb6 10.Bd4 Bc5 11.Bc5 Nc5 12.d4 Nce4 13.Qc2 Bf5 14.Bd3 d5 15.c5 Qc7 16.Ne5 g6 (better is 16...Bh7!?+=) 17.f3+- Nc5 (17...Ng5 18.Bf5 gf5 19.Qf5 Qe7+-) 18.Bf5 gf5 (18...Ncd7 19.Bd7 Nd7+-) 19.Qf5?? (better is 19.Qc5 Rfe8 20.Nd2+-) 19...Ncd7+= 20.Nd7 Nd7 21.Nc3 Qd6 22.Rab1 b6 23.Ne2 Rae8 24.Ng3 Re6 (24...Re3? 25.Qg4 Qg6 26.Qd7+-) ½–½. madik (1605) – charmedones (1970), gameknot.com, 2014.

7.cd5 Qd5 (7...Nd5 8.Nc3+=) 8.Nf3 (8.Bf6 gf6 9.Nc3 Qa5+=) 8...Nc6 (8...Qd8 9.Bc4+=) 9.a3 (better is 9.Bf6 gf6 10.Nc3+=) 9...Ne4?? (better is 9...Be7+=) 10.ab4+- Nb4 11.Nc3 Qc6 (11...Nd3 12.Bd3 Qd3 13.Ne4 Qe4 14.Be5+-) 12.Qb3 (12.Ne5 Qc5 13.Ne4 Nc2 14.Ke2 Qb5 15.Nd3 Na1 16.Qa1 Bf5+-) 12...a5 13.Ne4 (13.Ra5! Ra5 14.Qb4 Nc3 15.Qa5 Nd5+-) 13...Qe4? (13...Nc2 14.Kd1 Na1 15.Qc4+- (15.Ba1?! Qe4 16.Bd3 Qc6+=)) 14.Bc4?? Be6? 15.Be6 Nc2 16.Ke2 Na1 17.Bf7! Rf7 18.Qf7!! Kf7 19.Ng5 Kg6 20.Ne4 Nb3 21.Kd3 b5 22.Be5 Rd8 23.Kc3 a4 24.Kb4 Kf5 25.Bc7 Rd7 26.Nd6 Ke6 27.Nb5 Rd2 28.Ka4 Nc5 29.Kb4 Kd5 30.Rb1 Na6 31.Ka5 Nc5 32.Nc3 Kc6 33.Bb6 Rf2 34.Bc5 Rc2 35.Bd4 Rg2 36.e4 Rh2 37.Rb6 Kd7 38.Rb7 Ke6 39.Nd5 g5 40.Re7 Kd6 41.Be5 Kc6 42.Rc7# 1–0. Jacewicz,Grzegorz (2160) – Bergmann,Franz (1915), remoteschach.de, 2010.

7.Nf3 Be7 8.Be2 c5 9.0-0 Nc6 10.cd5 Nd5 11.d4 Bf6 12.Qc2 Ndb4 13.Qb3 Be6 14.Qd1 Bf5 15.a3 Nc2 16.Ra2 cd4 17.Bd4 N2d4 18.Nd4 Nd4 19.ed4 Qd4 20.Bf3 Rab8 21.Qd4 Bd4 22.Rd1 Bf6 23.g4 Bg6 24.Nd2 Rfd8 25.Rb1 Bb1 0–1. carocan (1640) – nawaria (1790), internet, 2013.

7.a3 Ba5 8.Be2 Ne5 9.h3 c6 10.f4 Ne4–/+ 11.h4 Ng3 12.Rh2 Ne2 13.Qe2 Ng4 14.Rh3 Re8 15.Nc3 Nh6 16.Nf3? Bh3–+ 17.gh3 Nf5 18.Kf2 Nh4 19.Rg1 Nf3 20.Qf3 Bc3 21.Bc3 f6 22.Qg4 Qe7 23.e4 Qf7 24.d3 Re7 25.Qh4 Rae8?? 26.Bf6= Qf8 27.Be7 Re7 28.Ke3 d5 29.cd5 cd5 30.e5 Re6 31.Rc1= Rc6 32.Rc6+/– bc6 33.e6 Qd6= 34.f5 Qe5 35.Kd2 Qb2 36.Kd1 Qa1 37.Kd2 Qb2 38.Kd1 Qa1 39.Kd2 Qb2 (39...Qa3?? 40.Qd8 Qf8 41.e7 Qd8 42.ed8Q (42.ed8B?! Kf7+-) 42...Kf7 43.Qd7 Kf8 44.Qc6+-) ½–½. Chirowska Raj – Krus, corr, 1986.

7.Nf3 Nc5 8.Be2 Bf5 9.0-0 Qd7 10.d4 Na4= 11.Qb3 c5 12.Nc3 Nc3 13.Bc3 Bc3 14.Qc3 Ne4 15.Qb2 Rfe8 16.Nd2 b6 17.Bf3 Nd2 18.Qd2 Rad8 19.Rfd1 h6 20.a4 Bg4 21.Bg4 Qg4 22.Re1 Qe6 23.Rac1 Qd7 24.Qc2 Qe6 25.d5 Qe4 26.Qe4 Re4 27.f3 Re7 28.e4 f6 29.Re2 Rb8 30.Rb1 a6 31.Reb2+= Reb7 32.Kf2 Kf7 33.f4 g6 34.Kf3 h5 35.Rb3 g5 36.h3 Kg6 37.g4 h4 38.R3b2 Kh6 39.Ke3 Kg6 40.fg5 fg5 41.Rf1 Re8 42.Kd3+/– a5 43.Rf5 Ree7 44.Re2 Re5 45.Ref2 Rf5 46.Rf5 Rf7 47.Rf7 Kf7+= 48.e5 de5 49.Ke4 Kf6 50.d6 Ke6 51.d7! Kd7 52.Ke5 Kc7 53.Kf5 Kd6 54.Kg5 Ke5 55.Kg6?? b5= 56.cb5?? c4 57.b6?? Kd6–+ 58.b7 Kc7 59.Kf5 c3 60.g5 c2 61.g6 c1Q 62.g7 Qc5 63.Kf6 Qd6 64.Kf7 Qd5 65.Kf8 Qd8 66.Kf7 Qd7 67.Kf8 Qf5 68.Ke7 Qe5 69.Kf7 Qd5 70.Kf8 Qd8 71.Kf7 Qd5 72.Kf8 Qf5 73.Ke7 Qd7 74.Kf8 Qd6 75.Kf7 Qd5 76.Kf8 Qd8 77.Kf7 Qd5 78.Kf8= Qf5 ½–½. Voelschow,Toni Eleonore (1685) – Senf,Carsten, GER–chT Lands U20, 2004.

7.Nf3 c6 8.a3 Ba5 9.Be2 Re8 10.0-0 Ne5 11.d3 Nf3 12.Bf3 Nd7 13.d4 Nb6 14.Qc2 Be6 15.Be2 d5 16.cd5 Nd5 17.Bd3 Qh4 18.Rc1 Nf6 19.Nd2 Bd5 20.Nf1 Ng4 (20...Bc7!?+=) 21.e4= Be6 22.f3 Nf6 23.Rd1 Rad8 24.Bc3 Bb6 25.Qb2 Qg5 26.a4 Ba5 27.Ba5 (27.Qb7?? Bc3 28.Rab1 Bd4 29.Kh1 Bh3–+) 27...Qa5 28.Ng3 Re7 29.Qf2 Red7 30.Ne2 h6 31.Qe1 Qe1 32.Re1 Ne8 33.Kf2 a5 34.Rec1 Kf8 35.Rc5 Ra8 36.g4 Bb3 37.Rc3 Be6 38.Rb1 Ke7 39.Rc5 Kd8 40.Ke3 Ba2 41.Rb2 Be6 42.h4 f6 43.Nf4 Bf7 44.g5 Nd6 45.g6 Bg8 46.Ke2 Rc7 47.Kd2 b5 48.Rbc2 Rac8 49.ab5 cb5 50.Rc7 Rc7 51.Rc7 Kc7 52.Nh5 b4 53.e5 fe5 54.de5 Nb7 55.Bb5 Nc5+/– 56.Ng7 a4 57.e6! Kd6 58.Nf5 Ke6 59.Nh6 Nb3 60.Ke3 a3 61.Bc4 Kd7 62.Ng8 a2 63.Nf6 Ke7 64.g7 a1Q 65.g8Q Qd4 66.Ke2 Nc1 67.Ke1 Qh4 68.Kd1 ½–½. Boehnke,Hartmut (2135) – Aymard,Michel (1900), WC15/WS45 ICCF, 2006.

7.Bd3 f5 (7...Qh4 8.g3 Qe7 9.a3=+) 8.Nf3= d5 (8...Qe8 9.0-0=) 9.0-0 dc4 (9...Nc6 10.cd5 Qd5 11.Qc2=) 10.Bc4+= Kh8 11.Qb3 a5 (11...Bd2? 12.Nfd2 (12.Nbd2 Nd2 13.Nd2 Qd2+/-) 12...Nd2 13.Qc3 Nf3 14.gf3+-) 12.a3 Bd6 (12...Nd2?? 13.Nbd2 Bd6 14.Rfe1+-) 13.d3 Ng5 14.Qc3?? (14.Nbd2 Nf3 15.Nf3 Nd7+=) 14...Qf6?? (better 14...Nf3 15.gf3 Bh2 16.Kh2 Qh4 17.Kg1 Qg5 18.Kh2 Rf6 19.Qf6 gf6-/+) 15.Ng5 (15.Qf6 Nf3 (15...gf6?? 16.Ng5 Kg7 17.Nf3+-) 16.gf3 gf6+/-) 15...Qg5+= 16.f4 Qg6 17.Rf3 Nd7?? (better 17...Be7+=) 18.Rg3+- Qf6 19.Qb3 b6 (19...Qe7 20.Bg7 Qg7 21.Rg7 Kg7+-) 20.Bf6 (20.Bf6 Rf6 21.Qb5+-) 1-0. zomboeb (1635) - Nile_Phero (1625), lichess.org, 2020.

7.Nf3 d5 8.cd5 Qd5 9.Bc3 (9.Nc3 Bc3 10.dc3 Qh5=) 9...Nc3 10.dc3 Qd1 11.Kd1 Rd8 12.Ke1 Ba5 13.Nd4 c5 14.Nb3 Bc7 (14...Bb6 15.N1d2=) 15.Nc5+= Nc6 16.Be2 b6 17.Nd3 (17.Ne4 Ne5=) 17...Ba6 (17...Bf5 18.Bf3 Rd3 19.Bc6 Rad8=+) 18.Nb4 (better 18.Nb2!? Be2 19.Ke2+=) 18...Be2 19.Ke2 Nb4 20.cb4 Be5 21.Nc3?? (better 21.Nd2 Ba1 22.Ra1-/+) 21...Bc3-+ 22.Rac1 Rd2 23.Kf3 Bb4 24.Rc7 (24.a4 Ra2 25.Ra1 Ra1 26.Ra1 Kf8-+) 24...Ra2 25.Rd1 Be7 26.Rdd7?? (26.Re7 Ra5 Combination) 26...Re8 (better 26...Bf6-+) 27.Re7= Rd8 (27...Rf8 28.Ra7 Ra7 29.Ra7=) 28.Rf7+= Rdd2? (28...Rf8 29.Rf8 (29.Ra7?? Rf7 30.Rf7 Kf7-+) 29...Kf8 30.Rb7+=) 29.Ke4 (better 29.Rg7 Kh8 30.Rh7 Kg8 31.Rcg7 Kf8 32.Rf7 Kg8 33.Kg3+-) 29...Ra4+/- 30.Kf3 g5?? (30...Raa2 31.Rg7 Kh8 32.Rh7 Kg8 33.Rcg7 Kf8 34.Rf7 Kg8+-) 31.Rh7 (better 31.Rg7!? Kf8 32.Rh7 Kg8 33.Rcg7 Kf8+-) 31...Raa2 32.Kg4 Rf2 33.Rhg7 (33.Kg5?! Rg2 34.Kf6 a5+=) 33...Kf8 34.Rh7 (34.Ra7?! Rg2 35.Kf5 Ra5 36.Ra5 ba5+=) 34...Rg2?? (better 34...Kg8=) 35.Kf5 Rgf2 (35...Kg8 36.Kg6 Rgf2 37.Rcg7 Kf8 38.Rh8) 36.Kg5 (36.Kg6 Rf6 37.Kf6 Rf2 38.Kg6 Rf6 39.Kf6 Kg8 40.Rhg7 Kf8 41.Rc8) 36...b5?? (better 36...Rg2 37.Kf6 Kg8+/-) 37.Rh8 1-0. fishissushi - aeyph6769r, Rated Blitz game, lichess.org, 2019.

7.Nf3 Bg4 8.Be2 Nc6 9.a3 Ba5 10.0-0 Be6 (10...Re8 11.d3 Nc5 12.d4=) 11.d3 Ng5 12.d4 (better 12.Nbd2!?=) 12...Nf3–/+ 13.Bf3 Bc4 14.Qa4 (better 14.d5!? Bf1 15.dc6–/+) 14...Bf1–+ 15.Bc6 (15.Kf1 d5 16.Qb5–+) 15...bc6 16.Qa5 Bd3 17.Qc3 Bg6 18.d5 f6 (18...Qf6 19.Qf6 gf6 20.Bf6 Bb1 21.Rb1–+) 19.dc6 Rb8 20.Nd2 Rb6 21.Nf3 (21.Rc1 Be8–+) 21...Be4 22.Qc4 (22.Ng5 Qe7 (worse 22...Bc6 23.Ne6 Qc8 24.Nf8–+) 23.Ne4 Qe4–+) 22...d5 23.Qc3 (23.Qa2 Bf3 24.gf3 Rc6–+) 23...Qd6 (better 23...Qb8!? 24.Bc1 Bf3 25.gf3–+) 24.Nd4 Rfb8 25.Ra2?? (25.Bc1–+) 25...Bb1 26.Nf5 (26.Ra1 Rb2 27.a4–+) 26…Bf5 (26...Ba2 27.Nd6 Rb2 28.g4–/+) 0–1. GuestKFYB – GuestLCVJ, freechess.org, 2017.

7.Nf3 c5 8.Ng5 Bd7 9.Qc2 g6 10.a3 Ba5 11.Nc3 Bf5 12.Bd3+= Bd3 13.Qd3 Nbd7 14.0-0 Qe7 15.f4 h6 16.Nge4+/– Bc3 17.Nc3 Rae8 18.Rf3 Ne4 19.Nd5 (19.Nd5 Qd8 20.f5+/–) 1–0. wiking – elche, queenalice.com, 2009.

7.Nf3 Bg4 8.Bd3 d5 9.0-0 dc4 10.Bc4= Bf3 11.Qf3+/– Be7 12.Qb7 Nbd7 13.Qc6 Nc5 14.d4 Ncd7 15.Nc3+- Nb6 16.Bd3 Nfd5 17.Nd5 Nd5 18.Be4 Nb6 19.Qc2 Rb8 20.Bh7 Kh8 21.Bd3 Rc8 22.Qc6 Bd6 23.Qf3 Qh4 24.g3 Qh3 25.Bf5 (25.Bf5 Qh6 26.Bc8 Rc8 27.d5+-) 1–0. Wall,Bill – KnightGo, internet, 2005.

7.Qc2 Nc6 8.a3 Ba5 9.Nc3 Bc3 10.Qc3 Re8 11.g4 (better is 11.Be2!?=) 11...Bg4–/+ 12.Be2 (12.Bg2!?–/+) 12...Be2–+ 13.Ne2 Qd7 (13...Ne5 14.d3–+) 14.Rg1 (14.f4!?–/+) 14...Ne5–+ 15.e4 (15.Rg2–+) 15...Ne4 16.Qe3 Qf5 17.0-0-0 (17.f4 Nc4 18.Rg7 Kf8 19.Qb3 Ned2 20.Qb7–+) 17...g5 (better is 17...Nf2 18.Be5 Nd3 (worse is 18...Qe5 19.Qf2 Qe2 20.Qf4–+; worse is 18...de5 19.Rdf1 Nd3 20.Kd1–+) 19.Kb1 Ne5 (19...Qe5?! 20.Qd3 Qe2 21.Qd6–+; worse is 19...de5 20.Ng3 Qg6 21.Rdf1–+; worse is 19...Re5 20.Ng3 Qg6 21.Nf1–+) 20.Ka1 Nf3–+) 18.d3+= Ng4 (18...Qf2 19.Qe4 Nf3 20.Rdf1 Qg1 21.Ng1 Re4 22.de4 Nh2 23.Rd1+=) 19.de4= Re4 20.Qd2 (20.Qc3!? f6 21.Rd5=) 20...Rc4+= 21.Bc3 Rd8?? (better is 21...h6 22.f4 Re8+=) 22.h3+- 1–0. Williams,Barry M – Welch,Bernard, NZCCA HT corr New Zealand, 1998.

7.Be2 Nc6 8.Nf3 Bf5 9.Nc3 Re8 10.0-0 Qe7 11.Re1 a6 12.d3 b5 13.Nd2 Ne5 14.e4 Bd7 15.f4 Ng6 16.g3 Bc6 17.a3 Ba5 18.Bf3= b4 19.Nd5 (19.Nd5 Nd5 20.cd5=; 19.ab4!? Bb4 20.Re2=). Sternik,Ryszard – Bruziewicz,Andrzej, corr, 1969.

7.Be2 d5 8.Nf3 dc4 9.0-0 b5 10.a4 ba4 11.Qa4 Be6 12.Na3 c3 13.dc3+= Ba3 14.Qa3 Ne4 15.c4 Qc7 16.Be5 Qc6 17.Bd3 h6? 18.Bg7!+- Kg7 19.Ne5 Qd6 20.Be4 Qe5 1–0. Trkn – ChessVP, ICC, 2004.

8.Be2 Re8 9.0-0 a6 10.Nc3 Ba5 11.d3 d5 12.cd5 Nd5 13.Nd5 Qd5 14.a3 Bc7 15.Qc2 b6 16.Rad1 Bb7 17.Qc3 f6 18.Rc1 (18.d4 cd4 19.Bc4 dc3 20.Bd5 Kh8 21.Bc3 Red8=) 18...Ne5 (18...Nd4! 19.ed4 Re2 20.dc5 bc5-/+) 19.Rfd1 Qe6 (19...Nf3? 20.Bf3 Bh2 21.Kh2 Qd6 22.Kh1 Bf3 23.gf3+-) 20.Ne5 Be5 (worse 20...Qe5 21.Qc4 Qd5 22.Qd5 Bd5 23.d4+/-) 21.Qc2 Qd6 (21...Bd5 22.Be5 fe5 23.Rb1=+) 22.h3 (22.d4 Bh2 23.Kh1 Qb8+=) 22...Rad8 23.d4 cd4 24.Bd4 Bd4 25.Rd4 Qe6?? (better 25...Qa3!? 26.Ra4 Qe7 27.Ba6 Ba6 28.Ra6 Qe6+=) 26.Rd8 (better 26.Bc4!? Bd5 27.Rd5 Rd5+-) 26...Rd8 27.Qc7?? (27.Bc4 Bd5 28.Rd1 Kf8 29.Qh7 Rd7+-) 27...Rc8? (better 27...Qc8 28.Bc4 Kh8 29.Qb6 Rd5+/-) 28.Bc4+- Qc4 (28...Rc7?? 29.Be6 Kf8 30.Rc7+-) 29.Rc4 Rc7 30.Rc7 Bd5 31.Ra7 Bc4 32.f3 (32.Rb7 b5+-) 32...a5 (32...h5 33.Rb7+-) 33.Kf2 g6 (33...f5 34.Rc7 Bd5 35.g4+-) 34.e4 (34.Rc7 b5+-) 34...h6 (34...f5 35.Rc7 b5 36.ef5 gf5 37.Rc5+-) 35.Ke3 (35.Rc7 b5 36.a4 Bd3+-) 35...Bf1 36.Kf2 Bc4 37.h4 g5 38.hg5 hg5 39.g3 Bd3 40.Ke3 Bc4 41.f4 g4 42.e5 fe5 43.fe5 Kf8 44.Kd4 Be6 45.Rb7 a4 46.Rb6 Kf7 47.Rb4 (better 47.Kc5 Bc8+-) 47...Bd7 (47...Bb3+-) 48.Kd5 Be6 49.Kd6 Bb3 50.Rg4 Ke8 (50...Ba2+-) 51.e6 Be6 (51...Kf8 52.Kd7 Bc4 53.e7 Kf7 54.e8Q Kf6 55.Qe7 Kf5 56.Rg5) 52.Ke6 Kd8 (52...Kf8 53.Rg5 Ke8 54.Rg8) 53.Rg7 (53.Rc4 Ke8 54.Rc8) 53...Kc8 54.Kd6 Kb8 55.Kc6 Ka8 56.Kb6 (56.Kb6 Kb8 57.Rg8) 1-0. Edosyan (1900) - frentury (1770), Rated Blitz game, lichess.org, 2015.

8.Be2 Bf5 9.0-0 Qe7 10.a3 Ba5 11.Nc3 Bc3 12.Bc3 Ne5 13.d4 Nf3 14.Bf3 Be4 (14...Ne4 15.Qb3=) 15.Rc1 (better is 15.dc5!? dc5 16.Bf6 gf6 17.Be4 Qe4 18.Qd5 Qd5 19.cd5+/–) 15...Rfd8 16.d5 Bg6 17.Qb3 b6 18.Qb2 Ne8 19.Rfd1 Be4 20.Be4 Qe4 21.Qb1 Qb1 22.Rb1 f5 23.Re1 Nf6 24.Bf6 gf6 25.e4 fe4 26.Re4 Re8 27.Rbe1 Re4 28.Re4 Kf7 29.f4 Re8 30.Re8 Ke8 31.g4 a6 32.a4 Kf7 33.Kf2 Kg6 34.Ke3 f5 35.gf5 Kf5 36.h3 (36.Kf3 h6+/–) 36...h5 37.Kf3 Kf6 38.Ke4 Kg6 39.h4 Kf6 40.f5 Ke7 41.Ke3 Kf7 42.Kf4 ½–½. Raue,Thorsten (1820) – Schuett,Hartwig, Muensterland Verbandsklasse–B, 2009.

7.Nc3 Be6 8.Nf3 Na5 9.Qa4= Bc3 10.Bc3 Nc6 11.Be2 Ne4 12.Bb2 d5 13.0-0 (13.d3!? Ng5 14.c5+=) 13...dc4=+ 14.Bc4 (14.Rfd1 Nc5 15.Qb5 Nd3 16.Bd3 cd3=+) 14...Bc4 15.Qc4 Nd2 16.Nd2 Qd2 17.Qc3 (17.Rab1!? Qd7 18.Rbd1=+) 17...Qc3-/+ 18.Bc3 Rad8 19.Rab1 b6 20.Rfc1 Ne7 21.Bb4 (21.Kf1 c5-/+) 21...c5-+ 22.Bc3 Nc6 (22...Nd5 23.Ba1-+) 23.a4 Rd3 24.Ra1 (24.a5 Rfd8-/+) 24...Rfd8-+ 25.g3 f6 26.Be1 (26.Rab1 Kf7-+) 26...Rb3 (26...Kf7 27.a5-+) 27.a5 Nb4 (27...Kf7 28.Kf1-+) 28.ab6 ab6 29.Bb4 Rb4 (worse 29...cb4 30.Rc7 Ra3 31.Rb1=+) 30.Rab1 Rb1 31.Rb1 Rb8 32.Kf1 c4 (32...b5 33.Ke2-+) 33.Ke2 (33.Rb5 c3 34.Ke2 Rc8-/+) 33...Kf7 (33...b5 34.Rb4-+) 34.Kd2 (34.Rb5 c3=+) 34...Ke6 (34...b5 35.Kc3-+) 35.Kc3? (better 35.Rb5=+) 35...b5-+ 36.Kd4 g6 (36...f5 37.Ra1-+) 37.Kc3 (better 37.e4-+) 37...Kd5 38.Ra1 (38.Kb4 Ra8-+) 38...Ke4 (38...b4!? 39.Kc2-+) 39.Ra2 h5 40.h4 g5 41.hg5 fg5 42.Rd2 (42.Ra7 Kf3 43.Rf7 Kg2-+) 42...Kf3 43.Kd4 (43.Kb4-+) 43...Rd8 44.Kc3 Rd2 45.Kd2 Ke4 (better 45...b4 46.Kd1 h4 47.gh4 gh4 48.Kc2-+) 46.Kc3 (46.f4 h4 47.fg5 hg3-+) 46...h4 47.gh4 gh4 48.Kd2 h3 49.Ke1 h2 50.Kf1 h1Q (50...h1Q 51.Ke2 c3 52.f3 Qf3 53.Ke1 Kd3 54.e4 Qe2) 0-1. AhmedSultanov (1660) – MarthaKarina, lichess.org, 2019.

7.Nc3 Bf5 8.g3 Re8 9.d3 d5 10.cd5 Nd5 11.Qc2?? Bc3 12.Bc3 Ndb4 13.Bb4 Nb4 (14.Qc3 Nd3 15.Kd2 Nf2 16.Ke1 Nh1–+) 0–1. St Jean,Benoit – Wakeham,Marc, corr IECG Email, 2002.

7.Bd3 Ne5 8.Be5 de5–/+ 9.Qc2 Re8 10.f3 Qe7 11.e4 Be6 12.Ne2 Rad8 13.0-0? Qd6 14.Nc1 Qd4 15.Kh1 b5! 16.Rg1 bc4 17.Be2 Qa1 18.Nc3 Rb8 19.Nd3 cd3 20.Bd3 Bc3 21.Ra1 Ba1 22.h3 Rb2 23.Qc7 Rd2 24.Bb5 Rc8 25.Qa7 Bd4 26.Qa5 Rc1 27.Kh2 Bg1 28.Kg3 g5 29.f4 ef4 (29...ef4 30.Kf3 Rf2#) 0–1. Borup,John – Monill,Favio, 04. VCC–Open, 2001.

7.Be2 d5 8.Nf3 =+.

7.Be2 Be6 8.Nf3=+ d5 9.cd5 Nd5 10.a3 Bd6 11.0-0 a6 12.d4 f5 13.Nbd2 Nf6 14.Rc1 Bd5 15.Qc2 Ne7 16.Nc4 Rc8 17.Nd6 cd6 (18.Qd3 Qd7=). Pane(+) – Jacewicz,Grzegorz, corr 3GMM–27, 1995.

7.Qf3 Ne5-/+ 8.Qf4 Ba5 (8...Nh5!? 9.Qe4 Re8=+) 9.Be5= de5 10.Qe5 Re8?? (better 10...Bb4=) 11.Qa5+- 1-0. dimm209 (1885) - Qubit (2140), Rated Blitz game, lichess.org, 2016.

7.Nf3 b6 8.Be2=+ Bb7 9.0-0 Re8 10.d4 d5 11.Qb3 Ba6 12.Ne5 Bc4?? 13.Nc6+- Bb3 14.Nd8 Bc4 15.Bc4 Red8 16.Be2 c5 17.a3 Ba5 (18.dc5 bc5 19.Bf6 gf6+-). Law – Oesterberg, corr 3GMM–12, 1995.

7.Nf3 Bc5 8.Be2 Bb6 9.0-0 a6 10.d4 d5 (10...Re8 11.Nc3=) 11.c5 Ba5 12.a4 (12.Bc3 Re8=) 12...Bb4 (12...Ne4 13.Nfd2=) 13.Nc3 b6 14.Qc2 (14.cb6 cb6 15.Ne5 Na5+=) 14...Bc3 (14...bc5 15.dc5 Bc5 16.Nd5 Qd5 17.Bf6=) 15.Qc3 Ne4 16.Qc2 Nb4 17.Qd1 bc5 18.dc5 Nc5?? (better 18...Rb8=) 19.Qd4+- Nc2 (19...Ne6 20.Qb4 a5+-) 20.Qg7 (20.Qc5?! Na1 21.Ra1 Be6+-) 1-0. fishissushi (1825) - Cake_With_Bomb (1805), Rated Bullet game, lichess.org, 2020.

7.Nf3 Bd7 8.Be2 Re8 9.0-0 Ne5 10.Qb3 c5 11.d4 Nf3 12.Bf3 Qb6 13.a3 Ba5 14.Qb6 Bb6 15.dc5 dc5 16.Bf6 gf6 17.Bb7 Rab8 18.Bd5 Be6 19.Nc3 Kf8 20.Rfd1 Rbd8 21.h3 Ba5 22.Na4 Bb6 23.Rab1 Rb8 24.Kf1 Ke7 25.Be6 fe6 26.Rb5 Red8 27.Rd8 Kd8 28.Nc5 Ke7 29.Na6 Rc8 30.c5 (30.c5 Bc7 31.Rb7+- (31.Nc7?! Rc7 32.Ra5 h6+-)) 1–0. Krebs,Juergen (2345) – FR (1660), BdF T, 2004.

7.h3 a6 8.Nf3 Be6 (8...d5 9.a3 Bd6 10.Qc2=+) 9.a3= Ba5 10.Be2. AhmedSultanov - cecenas (1605), lichess.org, 2019.

8.Nc3 Bf5 9.Nf3 Re8 10.Be2 Ne5 11.Ne5 de5 12.0-0 Bd3 13.Bd3 Qd3 14.Qb1 Rad8 15.Nb5 c6 16.Nc3 Qc4 17.Rd1 Rd3 18.Qc1 Red8 19.a4 Qh4 20.g3 Qh3 21.Ne2 Ng4 22.f4 Qh2 23.Kf1 Qf2 0-1. umarkhot - ToniKroos (2195), Rated Blitz game, lichess.org.

8.Nf3 Ne4 9.Qc2 Re8 10.Bd3 Bf5 11.0-0 =+.

8.Nf3 Ne4 9.Qc2 Ng5 10.Be2= Nf3 11.Bf3 Bd7 12.Be4 h6 13.0-0+= Rb8 14.Nc3 Ne5 15.Ne2 Qg5 16.f4+/– Qg4 17.Rae1 f5? 18.Bd5+- Nf7 19.Rf3 Qh4 20.Rg3 g5 21.fg5 hg5?? 22.Rf1 g4 23.Rf4 (23…Qg5 24.Nd4+-; 23.Rf5 Ba4 24.Qe4 Bc3 25.Qg4 Qg4 26.Rg4 Kh7 27.Rh5 Nh6 28.Be4 Rf5 29.Bf5 Kh8 30.Bc3#) 1–0. Diener,Rudolf – Nunez,Franco, corr ICCF, 1985 (?).

8.Nf3 Ne4 9.Be2 d5 =+.

8.Nf3 Be6 9.Be2 =+.

8.Nf3 Bg4 9.Be2 Re8 10.0-0 Ne5 11.d4 Bf3 12.gf3 Ng6 13.Qb3 Nf4 14.Bd1 Nh3 15.Kh1 Qc8 16.e4 c6=+ 17.Nc3 Nh5 18.Ne2= N5f4 19.Nf4 Nf4 20.Qe3 Qh3 21.Rg1 Ng6 22.Bb3 Bd2!!–/+ 23.Qd3?? Nf4–+ 24.Rg3 Qg3!! 25.fg3 Nd3 26.Rb1 Nb2 27.Rb2 Bc3 28.Rb1 Bd4 (28...Bd4 29.h3 Re7–+) 0–1. Gzel,Leszek – Dunajewski,Z, corr Poland, 2002.

8.Nf3 d5 9.0-0 =+.

8.Nf3 Re8 9.0-0 d5 10.cd5 Nd5 11.Bb5 =+.

8.Nf3 Re8 9.0-0 Qe7 10.Nc3 a6 11.Qb3 Bc3 12.Qc3 Qe6 13.Ng5 Qe7 14.g4 Bd7 15.f4 h6 16.h4? b6 17.Bf3 Qf8–/+ 18.Qc2? hg5–+ 19.fg5 Ng4 20.Bd5 Re7 21.g6 Nh6 22.gf7 Nf7 23.Qg6 Rae8 24.Rf6 Ncd8 25.Raf1 c6 26.Bf7 Rf7 27.Rf7 Nf7 28.Rf6 b5 29.h5 Qe7 30.cb5 Rb8 31.Re6 Qf8 32.Re7 Rb5 33.Bf6 Bf5 34.Qg3 Rb1 35.Kf2 Rd1?? 36.Re8!+- Rd2?? 37.Ke1 g6 38.Rf8 Kf8 39.Kd2 g5 40.Bg5 Be6 41.Bf6 Ke8 42.h6! Kd7 43.h7 Ba2 44.h8Q Nh8 45.Bh8 d5 46.Bd4 Bc4 47.Qe5 Bb5 48.Bc5 (48.Bc5 Kc8 49.Qe7 d4 50.Bd6 de3 51.Ke3 c5 52.Qc7#) 1–0. Schulz,M – Lauff,H, corr DDR, 1988.

8.Nf3 Re8 9.a3 Ba5 =.

8.Be2 a4 9.a3+= Bc5 10.Nc3 Bd7 (10...d5 11.Na4 Be7 12.c5+=) 11.Na4+/- Ba7 12.Nc3 h6 13.d4 Re8 14.0-0 Ne7 15.Qb3 d5 (better 15...Bb6!?+/-) 16.cd5+- (16.Qb7 Bb6 17.Nd5 Nfd5 18.cd5 Ra7 19.Qa7 Ba7-+; 16.Nd5?! Ned5 17.cd5 Bb6+-) 16...Bg4 17.h3 Bf5 18.Bb5 c6 (18...Rf8 19.Bc4+-) 19.dc6 bc6 20.Bc4 Be6? (20...Rb8 21.Qa2 Ned5+-) 21.Be6 fe6 22.Qe6 Kh7 23.Ne5 (23.Qc4 Bb8+-) 23...Bb8 24.Nc6 (24.f4 Be5 25.fe5 Nfd5 26.Nd5 Nd5 27.Qc6 Rc8+-) 24...Nc6? (better 24...Qb6 25.Ne4 Nfg8+-) 25.Qc6 Rf8 (25...Bc7 26.Rfd1+-) 26.g3 (26.Rfe1 Re8+-) 26...Ra5 (26...Bc7 27.Nb5 Ba5 28.Rfc1+-) 27.Ne4 Rh5 28.Nf6 (28.Nc5 Rf7+-) 28...Rf6 29.h4 (better 29.Qe4 Rg6 30.Kg2+-) 29...Rc6-+ 30.Rfc1 Rf6 (30...Rg6!? 31.Kf1-+) 31.Rc2 Qd5 32.Rac1 (32.a4-+) 32...Qf3 33.Bc3 Bg3! 34.fg3 (34.fg3 Rh4 Mate attack) 34...Qg3 35.Rg2 Qe3 (35...Qe3 36.Kh1 Rh4 37.Rh2 Qe4 38.Kg1 Rg4 39.Rg2 Qg2; 35...Qh4 36.Rg7 Kg7 37.d5 Rg5) 0-1. Knight286 (2020) - muhaqib (2220), Rated Blitz game, lichess.org, 2016.

8.Be2 Re8 9.0-0 (9.a3 Bc5=) 9...Bg4 (9...d5!?=) 10.d4+= a4 11.a3 Ba5 12.Qa4 d5 13.cd5 (13.Qb3 Qd7+/–) 13...Qd5+= 14.Qc2 Ne4 (14...Bf5 15.Qc5+/–) 15.h3 Bh5 16.Bc4 Qd8 17.Nbd2 (17.d5 Na7+/–) 17...Bd2 18.Nd2 Nd2 19.Qd2 Qg5 (19...Na5 20.Ba2+/–) 20.f4 Qg3 21.Rae1 Kf8 (21...Red8 22.Qf2 Qf2 23.Rf2+- (23.Kf2?! Bg6+-)) 22.Bb5+- Re4 (22...f5 23.Qf2 Qf2 24.Kf2+-) 23.Bd3 Ree8 24.Qf2 Qf2 25.Kf2 f6 26.Bh7 Ne7 27.Bc2 f5 28.a4 Bf7 29.Ba3 Bc4 30.Rg1 g6 31.g4 Ra5 32.gf5 gf5 33.Rg5 Kf7 34.Be7 Ke7 35.Rf5 Rf5 36.Bf5 Kf6 37.Bc2 1–0. Shamieh,Jamal (2050) – Farhat,Mohamed, Beirut LBN, Men Ch semi–final, 2012.

8.a3 Ba5 9.Be2 Bg4 10.Qc2 Qd7 (10...Re8 11.0-0=) 11.0-0 (11.Bf6 gf6 12.Nc3 Rfb8+/-) 11...h6 (11...Bf5 12.d3 Qe7=) 12.Qa4 (12.Bf6 gf6 13.d4 Rfe8+/-) 12...Bb6 (better 12...Nd4 13.Qd1 Ne2 14.Qe2 Ne4=+) 13.d4?? (13.Bf6 gf6 14.Nc3 Kg7+/-) 13...Ne7?? (better 13...Nd4 14.Qd1 Ne2 15.Qe2 Ne4-/+) 14.Qc2 (14.Qd7 Bd7 15.Nbd2 Bf5+=) 14...Bf5 15.Bd3 Bg4 (15...Bd3 16.Qd3 d5 17.Ne5+=) 16.Be2 (16.Nbd2 c6+/-) 16...Ng6 (16...Bf5 17.Qb3=) 17.Nbd2 c6 (17...Bf5 18.Bd3 Bd3 19.Qd3+=) 18.Nb3 (18.Bd3 Bd8+=) 18...Bc7 19.Rad1 (19.d5 Bd8+=) 19...d5 (19...Qf5 20.Qf5 Bf5 21.Rc1+=) 20.Nc5+= Qc8 21.cd5 Nd5 22.h3 (22.Rc1 b6 23.Nd3 Nge7+=) 22...Bh3= 23.gh3 Qh3 24.Nh2?? (better 24.Ne5 Ne3 25.fe3 Qg3 26.Kh1 Qh3 27.Kg1 Qg3 28.Kh1 Qh3 29.Kg1=) 24…Qh2 0-1. AhmedSultanov (1670) - Antonio_Pentrella (1685), lichess.org, 2019.

8.a4 Bg4 9.Nc3 Bc3 10.Bc3 d5 11.Be2 dc4 12.Bc4 Ne4 13.Bb2 Bf3 14.gf3 Nf2 15.Rg1 g6 16.Qc2 Qh4 17.Rg6 1–0. Mroz – Swider, corr Poland 1985–86.

8.Be2 Bf5 9.0-0 d5 10.cd5 Nd5 11.h3 Qe7 12.d3 Rad8 13.e4 (13.a3 Bc5+=) 13...Nf4 14.Bc3? (better is 14.a3 Bc5 15.Bc1 Ne2 16.Qe2–/+) 14...Be4!–+ 15.Bb4 (15.de4 Ne2 Double attack (15...Rd1 Pinning; 15...Rd1 Deflection)) 15...Qb4 (15...Ne2? 16.Qe2 Qb4 17.de4+-) 16.Nbd2 (16.Ne1 Rfe8 17.Bg4 Bd3–+ (worse is 17...Nd3 18.Qd2–+)) 16...Ne2 (16...Bd3?! 17.Bd3 Rd3 18.Qb1–+; 16...Nd3?! 17.Ne4 Qe4 18.Bd3 Qd3 19.Qc1–+) 17.Qe2 Bd3 18.Qe1 Bf1 19.Nf1 Qe1 20.Re1 Rfe8 21.Ne3 Nd4 0–1. Hal1958 – Pgschumy, playchess.de, 2005.

8.cd5 Qd5 9.Be2 Bf5 10.0-0 Qd6 11.a3= Ba5 12.d4 Rfe8 (12...Qd5 13.Nbd2=) 13.Nbd2 Bd2 14.Qd2 h6 15.Bd3 Bd3 16.Qd3 Ne5 (16...Qd5 17.Bc3=) 17.Ne5 Re5 18.Qb3 (18.f3 Rh5 19.g3 Rg5=) 18...Rh5=+ 19.f4 (19.h3 Re8 20.Rfc1 c6=+) 19...Qd5 (19...Qb6 20.Qc2=+) 20.Qd5=+ Nd5 (20...Rd5!? 21.a4 Re8=+) 21.e4= Nf6 22.e5 Nd5 23.g4 (better 23.Rab1!?=) 23...Rh4–/+ 24.Rf3? (better 24.Bc1!?–/+) 24...Rg4–+ 25.Kh1 (25.Kf2 Nf4 26.Bc1 Nd5–+) 25...Rf4 26.Rf4 Nf4 27.Rc1 (27.Rf1 Nd5–+) 27...c6 28.Rf1 (28.Rb1 Rd8 29.Kg1 Ne6–+) 28...Ne6 29.Rd1 (29.Bc3 Rd8 30.Rb1 b6–+) 29...Rd8 30.Kg2 (30.Bc3 Rd5 31.Rd2 Rb5–+) 30...c5 31.d5 (31.Kf3 Nd4 32.Ke4 Kf8–+) 31...Nf4 32.Kf3 Rd5 33.Rd5 Nd5 34.Ke4 Ne7 (34...Nc7 35.a4–+) 35.a4 b6 36.h4 (36.Bc1 Nc6–+) 36...h5 37.Kd3 (37.Ba1–+) 37...Nf5 38.Ke4 Nh4 39.Kd5 (39.Bc3 Ng6–+) 39...g5 40.Kc6 (40.Ke4 g4 41.Kf4 Nf3–+) 40...g4 (better 40...Nf3 41.Kd5 h4–+) 41.Bc3 (41.Kd5–+) 41...g3 (41...Nf3 42.a5–+) 42.Be1 g2 43.Bf2 Nf3 44.Kb7 g1Q 45.Bg1 Ng1 46.Ka7 h4 47.Kb6 h3 48.a5 h2 49.a6 h1Q 50.a7 c4 51.Kc7 Qa8 (51...Qa8 52.Kd6 Qa7 53.e6 Qb6 54.Kd5 Qe6 55.Kd4 Ne2 56.Kc5 c3 57.Kb5 c2 58.Kb4 c1Q 59.Ka4 Qc3 60.Kb5 Qec6) 0–1. retiponziani (1755) – Dream_Weaver (2390), ChessWorld.net, 2013.

8.cd5 Nd5 9.Be2 Re8 10.0-0 Bg4 11.d4 Qe7 12.a3 Bd6 13.Bd3 Nf6 14.Nbd2 Rad8 15.Qb3 Na5 16.Qb5 b6 17.Qg5 Bf3 18.Nf3+= Nb3 19.Ra2 h6 20.Qb5 Na5 21.Qf5 Qe6 22.Qe6 Re6 23.Bc3 Nc6 24.Rb1 Bf8 25.Nh4 Ne5? 26.Bf5+/– Nc4 27.Be6 fe6 28.a4 a5 29.Rc1+- Nd6 30.Ng6 (30.Ng6 Nb7 31.Ne5+-) 1–0. Woelfelschneider,Peter – Van Uffelen, telephone, 1983.

8.a3 Bc5 9.Be2 Be6?? (9...Bf5 10.0-0=) 10.0-0 (better is 10.d4 Bb6 11.d5 Ba5 12.Kf1+-) 10...d5 11.d4 Be7 12.c5 b6 13.cb6 cb6 14.Nbd2 Qd6 15.Ne4 de4 16.Nd2 Bd8?? (better is 16...f5=) 17.Ne4+/– Qd5 (17...Qd7!?+/–) 18.Nc3 Qg5 19.Bf3 Bc7?? 20.Bc6 Rad8 21.Rc1 Qh6 22.g3 Bc4 23.Bg2 Bf1 24.Qf1 Qe6 25.a4 Qb3 26.Qe2 Rfe8 27.Qc2 Qb4 28.Nd5 Qa5 29.Nc7 Re7 30.Ba3 Red7 31.Nb5 a6 32.Nc3 Rc8 33.Bh3 f5 34.Bf5 Rc3 35.Be6 Kh8 36.Qc3 (36.Qc3 Qc3 37.Rc3+-) 1–0. cristero (2310) – olo (2255), net–chess.com, 2015.

8.Qc2 f5 9.Be2 Be6 10.a3 Ba5 11.0-0 d5 12.d3 Ng5 13.Nc3 Nf3 14.Bf3 dc4 15.dc4 Bc4 16.Rfd1 Qe7 17.Nd5+/– Qc5 18.Nf4 Qb5 19.Bd5 Bd5 20.Rd5 Qb6 21.Rd7 Rf7 22.Rf7 Kf7 23.Qf5 Kg8 24.Qe6 Kh8 25.Bg7! Kg7 26.Nh5 Kf8 27.Qf6 Ke8 28.Ng7 Kd7 29.Qe6 (29.Qe6 Kd8 30.Qe8#) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Qc2 f5 9.Be2 Qe7 10.0-0 Bd7 11.d3 Nf6 12.Nc3 Nd8 13.a3 Ba5 14.Nd4 c6 15.Nb3 Bc7= 16.Rac1 Nf7 17.a4 Ng5 18.Nd1 Rae8 19.f4 Ne6 20.Bf3 Ng4 21.Qe2 Nf4!–/+ 22.ef4 Qe2 23.Be2 Re2 24.Bc3 c5–+ 25.Rf3 Bc6 26.Rg3 h5 27.h4 Bd8 28.Kf1 Rfe8 29.Na5 Bh4 30.Be5 Bg3 (30...Bg3 31.Ke2 Bg2–+) 0–1. NN – NN.

8.Qc2 Bf5 9.Bd3 Bd2 10.Nbd2 (10.Nbd2 Nb4 Combination; 10.Nfd2 Nb4 Combination) 10...Nb4 11.Qb3 Nc5 12.Qc3?? (better 12.Bf5 Nb3 13.ab3=) 12...Nbd3–+ 13.Ke2 (13.Kf1 f6–+) 13...Nb2 14.Qb2 Bd3 15.Ke1 (15.Kd1 Qd7–+) 15...Qd7 (15...Bc4 16.Qc3 Bd5 17.Nb3–+) 16.Nd4? (better 16.Nb3 Qf5 17.Nc5 Qc5 18.Rc1–+) 16...Qg4 17.N2f3 (17.Rg1 Be2! 18.f3 Bf3–+) 17...Qg2 (better 17...Bc4 18.Rd1 Nd3 19.Rd3 Bd3–+) 18.Rg1 Qh3 (18...Bg6!? 19.Rg2 Nd3 20.Kd2 Nb2 21.Kc3 Na4 22.Kd2–+) 19.Rg7–/+ Kh8 20.Rg1 f6 21.Kd2 Bc4 22.Rac1 Bd5 23.Ke2 Bf3 (23...Rg8 24.Rg3 Rg3 25.hg3–+) 24.Nf3 Qf5 25.Rcd1 Ne4 (25...Rae8 26.Qc3–+) 26.Rg2 (26.Rc1 Qa5–+) 26...Rg8 27.Rdg1 Rg2 28.Rg2 a6 (28...b5 29.a3–+) 29.Nd4 Qd5 30.f3 c5 (better 30...Qc4 31.Ke1 Nc5–+) 31.fe4=+ Qe4 (31...Qc4!? 32.Ke1 cd4 33.Qd4 Qd4 34.ed4 Re8–/+) 32.Nf3+= Qc4 (32...Rf8 33.Rf2+=) 33.Kf2 (33.Kf2 Rf8 34.Qb7 Qa2 35.Kf1 Qc4 36.Re2+-) 1–0. tsodikovich (1780) – sleazybadger (1795), gameknot.com, 2015.

8.Qc2 Bf5 9.Bd3 Re8 10.0-0 Bg6 (10...Bg6 11.a3 Ba5=). Harju – Ripatti, (year?).

8.Be2 Be6 9.0-0 Ne5 (better is 9...d5!?=) 10.Ne5 de5 11.d3 Ng5 (11...Nf6 12.Be5 Re8 13.d4+/–) 12.Be5 (12.f4 ef4 13.ef4 Nh3 14.gh3 Bh3+-) 12...Qe8 (12...f6!? 13.Bc3 Bd6+/–) 13.Bc7+- Qc6 14.Bf4 Nh3 (14...Bh3 15.f3 Ne6 16.Bg3+-) 15.gh3 Bh3 16.Bf3 Qg6 17.Bg3 Bf1 18.Kf1 (18.Qf1?! Qf6 19.Nd2 Bd2 20.Bb7 Rad8+/–) 18...Rad8 19.d4 Qf6 (19...b6 20.Qa4 Bc5 21.Nc3 (21.dc5?! Qf6 22.Nc3 Qc3+-; 21.Qa7?! Bd4 22.ed4 Qd3 23.Kg2 Qd4+-) 21...Bd4 22.Be4+- (22.ed4?! Qd3 23.Kg2 Qc3+-)) 20.Bb7 Rd7 21.Bd5 g6 (21...Bd6 22.Nc3 Qg6 23.Rc1+-) 22.Qa4 Re7 (22...Rd5 23.cd5 (worse is 23.Qb4 Rd7+-) 23...Qe7 24.a3+-) 23.Qb4 Rfe8 (23...Re3 24.Nc3+-) 24.Kg1 h5 25.Qd6 Qg5 26.Nd2 h4 (26...Kg7 27.Bc6+-) 27.Qf4 Qf4 28.Bf4 Kh7 29.Bg5 Rc7 30.Bh4 f5 31.Bg3 Rce7 32.Rb1 a5 33.a4 g5 34.Bd6 Rg7 35.Rb7 Rb7 36.Bb7 Kh6 37.c5 Kh5 38.c6 f4 39.Nc4 fe3 40.fe3 Kh4 41.c7 Kh3 42.c8Q Rc8 43.Bc8 g4 44.Bg4! Kg4 45.e4 Kg5 46.e5 Kf5 47.h3 Ke4 48.Bc5 Kd5 49.Na5 Ke6 50.h4 Kf5 51.h5 Kg5 52.e6 Kf6 53.e7 Kf7 54.h6 Ke8 55.h7 Kd7 56.h8Q Ke6 57.Qh5 Kd7 58.d5 Kc7 59.e8Q (59.e8R Kd7 60.Qf7) ½–½. Jastrzebska,Krystyna – Raeisaenen,Timo, S–Open/5–pr14, 2012.

8.Be2 Bf5 9.0-0 Qe7 10.d3 Nc5 11.Nc3 Ba5 12.Nd5 Qd8 13.Qc2 black timed out. aspasio (2590) – lkbo, net–chess.com, 2012.

8.Be2 Bf5 9.0-0 Nf6 10.d4 Bb1 (better 10...d5!?=) 11.Rb1+/- a5? (better 11...d5+/-) 12.a3+- Ne4 13.ab4 Nb4 14.Ba3 (14.Ra1 Qe7+-) 14...c5? (14...Nc3 15.Qd2 Nb1 16.Rb1+-) 15.dc5?? (15.Bb2 a4+-) 15...dc5? (15...Nc3!? 16.Qe1 Nb1 17.Bb4 ab4 18.Qb4 Na3 19.cd6 Qd7+-) 16.Qd8 (16.Qb3 Re8+-) 16...Rad8 (better 16...Rfd8 17.Bb2 Na2+-) 17.Ne5 (better 17.Bb2+-) 17...Nd2+= 18.Rfd1 Nb1 19.Rb1 Nc2?? (19...Rd2 20.Kf1=) 20.Bb2?? (better 20.Bc5 Rfe8 21.Nd3+-) 20...Rd2 (20...Nb4 21.Bg4 Rfe8 22.Bf5+=) 21.Bf3 Nb4 22.Ng4 1-0. cucosant2 – congeja, Rated Bullet game, lichess.org, 2020.

8.Be2 Bg4 9.0-0 Qe7 10.Qb3 Bf3 11.Bf3 Nc5 12.Qc2 Ne5 13.Be2 Ng6 14.Bf3 c6 15.d4 Ne6 16.Qa4 d5 17.c5 Qg5 18.g3 Qf6 19.Bg2 Bc5 20.Qb3 Bd6 21.Qb7 Rab8 22.Qc6 Rb6 23.Qc2 Rfb8 24.Bc3 Ne7 25.Nd2 Rc8 26.Qd3 Rbc6 27.Rfc1 Ba3 28.Rc2 Ng5 29.Rf1 Bb4 30.Rfc1 Ba3 31.Rb1 Qe6 32.Rb3 Bd6 33.Rcb2 Qg4 34.Rb1 h5 35.e4 de4 36.Ne4 Ne4 37.Be4 Rc3 38.Rc3 Rc3 39.Qc3 Qe4 40.Re1 Qb7 41.Qa5 Nd5 42.Qd8 Bf8 43.Re8 Kh7 44.Re5 Nf6 45.Qf8 h4 46.Qe7 Qb1 47.Re1 Qa2 48.gh4 a5 49.Qc5 Qd2 50.Ra1 a4 51.Qf5 Kh8 52.Rb1 Qe2 53.Rb8 Ng8 54.Ra8 Qd1 55.Kg2 g6 56.Qc8 Kg7 57.Qg8 Kf6 58.Qh8 1–0. onny555 (1880) – donex7 (1835), gameknot.com, 2014.

8.Be2 Bg4 9.0-0 Ne7 10.Qb3 (10.Qc2 Bf5 11.Bd3 d5+/-) 10...c5 (10...Ba5 11.d4= (11.Qb7?? Nc5 12.Qa8 Qa8-+)) 11.d3 (11.a3 Ba5 12.h3 Bf3 13.Bf3+=) 11...Nf6? (11...Ng5 12.Nd4 Be2 13.Ne2+=) 12.h3 (12.a3!? Ba5 13.Bf6 gf6 14.Qb7+/-) 12...Be6 13.a3 Ba5 14.Bf6 gf6 15.Qb2 (worse 15.Qb7 Rb8 16.Qe4 Rb2=+) 15...Nf5 (15...b6 16.Rd1+/-) 16.d4 (16.Qb7 Qb8 17.Qb5 Qb5 18.cb5 d5+/-) 16...cd4 17.Nd4 Bb6 (17...Qe7!?+/-) 18.Nf5+- Bf5 19.Nc3 Kg7 20.Nd5 Rg8 21.Bf3 Be6 (21...Bc5 22.Qb7 Rb8 23.Qa6+-) 22.Nf4 (22.Nb6!? ab6 23.Rfb1 Bc4 24.Qb6 Qb6 25.Rb6 Ra4+-) 22...Bc4 23.Nh5 (worse 23.Bb7 Rb8 24.Nh5 Kf8=+) 23...Kg6?? (better 23...Kh6 24.Rfc1 Be6+/-) 24.Qc2+- f5 25.Qc4 Rc8 26.Qb3 Qg5 (26...Qe7 27.Nf4 Kg7 28.Rfb1+-) 27.Rac1 (27.Nf4 Kg7+-) 27...Rce8 (27...Qe7 28.Ng3 Rc1 29.Rc1+-) 28.Rc4 (28.Nf4 Kg7+-) 28...Be3 29.fe3 Re3 (29...Qe3 30.Qe3 Re3 31.Nf4 Kg7 32.Ra4+-) 30.Qb4 (30.Qb4 Rf3 31.Nf4 Rf4 32.Rcf4+-) 1-0. cucosant2 (1700) - vereciano (1790), Rated Blitz game, lichess.org, 2020.

8.Be2 Bg4 9.0-0 Re8 10.Qc2 Qe7 11.a3 Ba5 12.d3 Nf6 13.h3 Bf5 14.Nc3 Bb6 (14...Ne5 15.Nd4 Bg6 16.Nd5 Nd5 17.cd5=) 15.Na4 (15.Rab1 Rab8=) 15...Ba5= 16.Rab1 Rab8 17.Nd2 Nd7 18.Nb3 Bb6 19.Kh2 Rbd8 20.Nc3 Nc5 21.Nd5 Qh4 22.Nd4 Nd4 23.Bd4 Bd7 24.Bc3 Ba4 25.Qd2 Bc6 26.Bd1 Rb8 27.Bg4 Qh6 28.Qc2 Bd7 29.Bf3 Qh4 30.Qd1 Bf5 31.Be2 Qd8 32.e4 Be6 33.f4 Bd5 34.cd5 c6 35.Bh5 (35.dc6 bc6 36.Qc2 Qe7=) 35...g6 (35...cd5 36.ed5 Qh4 37.g3=) 36.Qg4 White prepares f5 (36.dc6 gh5 37.Qh5 f6+= (37...bc6?? 38.Qg4 Kf8 39.Qg7 Ke7 40.Bf6 Kd7 41.Bd8 Rbd8 42.Qf7 Re7 43.Qc4+-)) 36...Nd3 (36...cd5 37.f5 g5 38.Bf7 Kf7 39.Qh5 Kg8 40.f6+-) 37.Qf3 (37.f5 Qc8 38.fg6 fg6 39.Qf3+-) 37...Nc5=+ 38.f5 Rf8 (38...Qe7 39.Rbe1=+) 39.Qg4 Qd7 40.Qf4 (40.fg6 fg6 41.Qh4 Rf1 42.Rf1 Qd8=) 40...Nd3?? (better 40...Qc7=) 41.Qh6+- f6 42.fg6 Ne5 43.Be5 de5 44.Rb3 (44.Rb3 Kh8 45.gh7+-) 1-0. bumblingbishop (2190) - marekt (2125), gameknot.com, 2021.

8.Be2 Bf5 9.Qb3 c5 10.0-0 Qc7 11.a3 Ba5 12.Nc3 Bc3 13.Bc3 Bg4 14.Ne5 Be2 (worse 14...de5 15.f3 Bh5 16.Qb2+/-) 15.Rfe1 de5 16.Re2 Ne4 17.Rb1 Rad8 18.h3 (18.Qb7?? Qb7 19.Rb7 Nc3-+) 18...b6 19.a4 Rd3 20.Qc2 Rfd8 21.Bd4 Rd2 22.Rd2 Nd2 23.Qd2 cd4 24.ed4 Rd4 25.Qe3 Rc4 26.a5 ba5 27.Rb5 a6 (better 27...e4 28.g3 a4-+) 28.Re5?? (28.Rd5 f6 29.Qd2-+) 28...Rc1 29.Kh2 f6 30.Qb3 Rc4 31.f4 (31.g3 fe5 (31...Qe5?! 32.Qc4 Kf8 33.Qa6-+) 32.h4 a4-+) 31...fe5 32.Qa2 0-1. carlos78 (2370) - changaei (2360), Rated Blitz game, lichess.org, 2015.

8.Ne5 de5 9.Bd3?? e4 (better 9...Qd3 10.a3 Ba5-+) 10.Bc2-/+ Re8 11.a3 Bc5 (11...Ba5 12.Nc3=+) 12.d4= Bb6 13.Bc3 a5 (13...c6 14.Nd2=) 14.c5 (14.Nd2 Bf5=) 14...Ba7 15.Nd2 Bb8 16.Nb3 (16.0-0 b5=) 16...a4 17.Nd2 b5 (17...Qd7 18.Rb1=) 18.Bb4 (18.cb6!? cb6 19.Ba4+=) 18...c6=+ 19.f3? (better 19.Qb1 Bf5 20.h3=+) 19...ef3 20.Qf3 (20.Nf3 Re3 21.Kf2 Ng4 22.Kg1 Bf4-+) 20...Bg4 21.Qf2 (21.Qc6 Re3 22.Kf1 Be2 23.Kf2 Qd4 24.Qf6 Re5 25.Ke1 Qa1 26.Nb1 Bg4 27.Kd2 Rd5 28.Bd3 gf6 29.Rf1 Qb2 30.Ke3 Rd3 31.Kd3 Qe2 32.Kd4 Be5 33.Kd5 Qg2 34.Rf3 Qf3) 21...Qe7?? (better 21...Qd4! 22.0-0 Qe3 23.Qe3 Re3 24.Rae1-+) 22.Nf1? (22.e4 Bc8=+) 22...Nd5 (22...Ne4 23.Be4 Qe4 24.Kd2-+) 23.e4 (23.Bd2 Bc7=+) 23...Nb4 24.ab4 Qf6 (better 24...Rd8!? 25.Ne3 Be6-/+) 25.Qf6= gf6 26.Nd2 (26.Kf2 f5 27.Ne3 Rd8=) 26...Bf5 (better 26...f5!? 27.e5 f6-/+) 27.0-0+= Be4?? (better 27...Bg4+=) 28.Ne4 (better 28.Be4 Re6 29.d5 cd5 30.Bd5+-) 28...Re4 (28...Rd8 29.Nf6 Kg7 30.Nh5 Kf8+-) 29.Be4 Ra6 30.Rf6 a3 (30...Kg7 31.Rc6 Ra7 32.Rb6+-) 31.Rc6 Rc6 32.Bc6 f5 (32...Bf4 33.Ra3 Bd2 34.Rb3+-) 33.Ra3 Kg7 34.Bb5 (34.g3 f4 35.Ra8 Bc7+-) 34...Kf6 35.Be8 (35.g3 f4 36.Ra6 Kg5+-) 35...Ke7 36.d5 Ke8 37.Ra8 Kf7 38.Rb8 Kf6 39.d6 Ke6 40.c6 Kd6 41.b5 Kc5 42.c7 f4 43.c8Q Kb4 44.b6 Kb3 (44...f3 45.gf3 h5 46.b7 Kb3 47.Ra8 Kb4 48.b8Q) 45.b7 Kb2 (45...f3 46.Ra8 f2 47.Kf2 Kb4 48.b8Q) 46.Ra8 Kb3 (46...f3 47.b8Q) 47.b8Q 1-0. jailson1001 - Rhythmic88, Rated Blitz game, lichess.org, 2014.

8.Ne5 de5 9.Be5 Ne4 10.Qc2 Bf5 (better 10...f5+=) 11.Bd3?? (better 11.Qb2 Re8 12.Bg7 Bd2 13.Nd2 Qd2 14.Qd2 Nd2 15.Kd2 Kg7 16.Be2+/-) 11...Nf2-/+ 12.Bf5 Nh1 13.Bh7 Kh8 14.Qf5?? (better 14.Bf5 Bd6 15.d4 Be5 16.de5-+) 14...Qh4-+ 15.Kf1 (15.Ke2 Qc4 16.Kd1-+) 15...Qh7 (better 15...Qc4 16.Ke1 Qh4 17.Ke2 Qh7 18.Qh7 Kh7-+) 16.Qh7 Kh7 17.Kg1 Rad8 18.d4? (18.Kh1 Rfe8 19.Bc7 Re3-+ (19...Bd2?! 20.Bd8 Rd8 21.Nd2 Rd2 22.g4=)) 18...Bd6 (better 18...Rfe8 19.g4 Re5 20.de5 Rd1 21.Kg2 Bc5-+) 19.Bd6 Rd6 20.Kh1 (20.Nd2 Re8 21.Nf1 c5 22.dc5 Rd7-+) 20...f5 (20...Re8 21.Nd2 Re3 22.Nf3-+) 21.Nc3 (21.Na3 f4 22.ef4 Rd4-+) 21...f4 (21...Re8 22.g4-+) 22.c5 (better 22.Ne4 Rc6 23.Ng5 Kh6 24.d5 Rc4 25.Ne6-+) 22...Ra6 (22...Rdd8 23.ef4 Rd4 24.Kg1-+) 23.Rf1 (23.e4!?=+) 23...g5 24.g3 Re6 (better 24...f3-/+) 25.ef4= gf4 26.gf4 (worse 26.Rf4 Rf4 27.gf4 c6-+) 26...Re3 (26...Ref6 27.Ne2=) 27.Nd5+= Re2 28.Nc7 Ra2 (28...Rf6 29.h3 Rh6 30.Rf3=) 29.d5 (29.Rf3 Ra1 30.Kg2 Ra2 31.Kg3 Rg8 32.Kh3 Rgg2+=) 29...Rc2 (better 29...Kg6!?+=) 30.Ne6+/- Rf5? (30...Rg8 31.Rg1 Rg1 32.Kg1 Rd2+/-) 31.d6?? (better 31.Nd4 Rc5 32.Nf5 Rd5 33.Ne3+-) 31...Rd2 (31...Rh5 32.Ng5 Kg6 33.h3=) 32.Rb1 (32.Rb1 Kg6 33.Rb7+=) 1-0. AhmedSultanov (1830) - birilat (1760), lichess.org, 2020.

8.a3 Ba5 9.Qc2 Ne5 10.Ne5+= de5 11.Be5 Rc8 (11...Ng4 12.Bb2+=) 12.Be2 Nd7 13.Bb2 Ne5?? (better 13...c5+/-) 14.Be5+- Qd6 (14...Re8+-) 15.Bd6 cd6 16.0-0 b5 17.Qe4 bc4 18.Nc3 f5 (18...Rfd8+-) 19.Qe6 Kh8 20.Qd6 Bc3 21.dc3 Rcd8 22.Qa6 Rd7 23.Qc4 Rdf7 24.Rfd1 Rf6 25.Rd7 Rb6 26.Ra7 (26.Qc7 Rg6 27.Rd8 Rgf6 28.Qb8 h6 29.Rf8 Kh7 30.Rh8 Kg6 31.Rh6 Kf7 32.Qc7 Kg8 33.Bc4 Re6 34.Be6 Kf8 35.Rh8) 26...Rbf6 27.h3 Rc6 28.Qc6 Kg8 (28...Rg8 29.Bc4 Rb8 30.Qd7 Rg8 31.Bg8 Kg8 32.Qg7) 29.Qe6 (29.Qd7 Rf7 30.Qf7 Kh8 31.Qg7) 29...Kh8 30.Rd1 (30.Qf7 Rg8 31.Bc4 Rd8 32.Qg7) 30...h5 (30...Rb8 31.Qe5 Rg8 32.Rd8 Rd8 33.Qg7) 31.Bh5 (31.Qg6 Rf7 32.Rd8 Rf8 33.Rf8) 31...f4 (31...Kh7 32.Qg6 Kg8 33.Qg7) 32.ef4 (32.Qg4 g5 33.Qg5 Rf7 34.Rd8 Kh7 35.Rf7) 32...g6 (32...Rb8 33.Rg7! Kg7 34.Rd7 Kh8 35.Qe5 Kg8 36.Qb8) 33.Qg6 (33.Qe5 Kg8 34.Qg7) 33...Rf7 34.Qf7 (34.Rd8 Rf8 35.Rf8) ½-½. nerusskiy - aravind555, lichess.org, 2018.

8.a3 Ba5 9.Nc3 Bc3 10.Bc3 d5 11.Rb1 Rb8 12.Qc2 dc4 13.Ng5 g6 (better 13...Qd5 14.Bf6 Bf5=+) 14.Ne6+/- fe6 15.Bc4 Qd6 16.Qd3 (16.Rb5 Nd5 17.Qb3 Nce7+/-) 16...Qd3 17.Bd3 Nd5 18.Ba1 Nb6 (18...b6 19.e4 Nf4 20.Bf1+/-) 19.Ke2+/- Rfd8 (19...e5 20.Be4 Rbe8 21.Rhc1+-) 20.Rhc1 Rd6 21.Bf6 (21.Bb5 Rbd8 22.d3 Kf7+-) 21...Nd7 (better 21...e5!? 22.Bh4 Kf7+/-) 22.Bh4+- Nde5? (better 22...e5+-) 23.Be4 Nd7 24.Bg3 e5 25.Bc6 Rc6 26.Rc6 bc6 27.Rb8 Nb8 28.Be5 Na6 29.Kd3 Kf7 (29...Nc5 30.Kd4 Ne6 31.Kc4+-) 30.Kc4 Ke6 (30...Nb8+-) 31.Bd4 Nb8 32.Ba7 Nd7 33.Bd4 Kd6 34.e4 (34.a4!? h6+-) 34...c5 35.Be3 Ne5 36.Kc3 Kc6 (36...Nf7 37.a4+-) 37.h3 (37.Bc5 Ng4 38.Bd4 h5+-) 37...h5 (37...Nf7 38.a4+-) 38.Bc5! Nf7 (38...Kc5 39.d4 Double attack) 39.d4 Nd8 (39...Ng5 40.f3 Kb5 41.Be7+-) 40.a4 Nb7 (40...g5 41.Kc4 Kb7 42.e5+-) 41.Kb4 Nd8 42.g4 (42.d5 Kd7+-) 42...hg4 (42...Kd7 43.a5+-) 43.hg4 Nf7 (43...Kd7 44.a5 Ne6 45.a6+-) 44.f4 Nh6 (44...Kb7+-) 45.g5 Nf7 46.a5 Nd8 47.a6 Nf7 (47...Kd7 48.d5 c6 49.a7 cd5 50.a8Q de4 51.Qe4 Kc8 52.Kb5 Kb8 53.Qe7 Kc8 54.Bd6 Ne6 55.Kb6 Nf4 56.Qc7) 48.d5 (48.d5 Kd7 49.a7 Ke8 50.a8Q Kd7 51.Qc6 Kd8 52.e5 Nd6 53.e6 Ke7 54.Qd7 Kf8 55.Qf7) 1-0. Burns,Chris - Post,Martin, NZL Wanganui Chess Club, 2002.

8.Qc2 Ne5 9.Be2 (9.Ne5 de5 10.Be5 Nd7+=) 9...g6 (better 9...Nf3!? 10.Bf3 d5=) 10.Ne5+/- de5 11.Be5 Bf5 (11...Ng4 12.Bc3 Bc3 13.Nc3+/- (13.dc3?! Qh4 14.g3 Qf6+=)) 12.Qb2 Be7 13.Qb7 (better 13.d4+/-) 13...Be4? (better 13...Rb8 14.Qa7 Rb1 15.Rb1 Bb1 16.Qc7 Qc7 17.Bc7 Rc8+=) 14.Qc7+- Bg2 15.Rg1 Bh3 16.d4 Bb4 17.Kd1 Ne4 (17...Qe8 18.a3 Qa4 19.Kc1+-) 18.Qd8 (18.Bf3 Qc7 19.Bc7 Rac8 20.Be4 Rc7+-) 18...Rad8 (18...Nf2 19.Kc2 Rad8 20.Nc3+-) 19.Kc2 (better 19.Bf3!? Nd6 20.c5 Nc4+-) 19...Nf2 20.Rg3 (20.Nc3!?+-) 20...Bf5+/- 21.Kb3 a5 (21...Rb8 22.Bb8 Rb8 23.Na3 Bd6 24.Nb5 Bg3 25.hg3=) 22.a3 (22.Rg2 Ne4+/-) 22...Bd6 (better 22...Be1!? 23.c5 Bd3 24.Bd3 Nd3+=) 23.Bd6+- Rd6 24.c5 (better 24.Nd2+-) 24...Rb8+= 25.Kc3?? (better 25.Ka4 Rd7 26.Bb5=+ (26.Ka5?? Ra7 27.Ba6 Bd3 28.Rg6 hg6 29.d5 Ra6)) 25...Ne4-+ 26.Kc4 Ng3 (better 26...Be6 27.Kd3 Nc5 28.Kc2 Nb3-+) 27.hg3-/+ Be6?? (better 27...Re6!? 28.Bd3 Bd3 29.Kd3 Rbe8-/+) 28.Kc3 (28.Kd3 Rd5 29.Nd2 Rg5+=) 28...Rd7 (28...Rb3!? 29.Kd2 Rb2 30.Ke1 Rd8=) 29.Nd2+= Rdb7 (29...f5 30.Nc4 Bc4 31.Bc4 (worse 31.Kc4 Re7=+) 31...Kf8 32.Re1+=) 30.Bd3 Rb3? (better 30...Rd7+/-) 31.Nb3+- Rb3 32.Kd2 Rb2 33.Ke1 (33.Bc2 f5+-) 33...Rh2 (33...Rg2 34.Rc1+-) 34.Rc1 Rh1 35.Kd2 Rh2 36.Kc3 Ra2 37.d5 (better 37.e4!? Ra3 38.Kd2+-) 37...Bd5+/- 38.Kd4 Be6 (38...Ra3 39.c6 Be6 40.c7 Ra4 41.Ke5+/-) 39.c6 (39.Bc4 Rd2 (39...Ra3?? 40.Be6 Ra4 41.Rc4+-) 40.Kc3 Rd8+-) 39...Ra3 40.c7 Ra4 41.Ke5 Bc8 42.Kd6 (42.Kf6 Ra2 43.Rc2 Rc2 44.Bc2 Kf8+-) 42...Rb4 (42...Ra3 43.Bc4 Kg7 44.e4+=) 43.Rc5 (43.Ke7 Kg7+/-) 43...Rb6 (better 43...Rb3!? 44.Rd5 Kf8+=) 44.Ke7+/- Re6 45.Kd8 (45.Kd8 Bb7 46.Bc4 Re3 47.Ra5 Rg3 48.Ra7+-) 1-0. AhmedSultanov (1815) - Phantom71 (1705), lichess.org, 2019.

8.Qc2 Re8 9.Be2 d5 10.0-0 Be7 11.d4 Bg4 12.cd5 Nd5 13.Nbd2 Bg5 14.Ng5 Qg5 15.Nf3 Qf6 16.Rfc1 Rad8 17.h3 Bh5 18.a3 a6 19.Rab1 Bg6 20.Bd3 Bd3 21.Qd3 b5 22.Rc5 Na5 23.Ne5 c6 24.Qc2 Rc8 25.Rc1 Nb7 26.Rc6+/– Rc6 27.Qc6 Qc6 28.Rc6 a5? 29.Nd3 Kf8 30.Nc5 Re7?? 31.Rc8 Re8 32.Re8 Ke8 33.Nb7 (33…b4 34.Na5 ba3 35.Ba3+-) 1–0. Waibel,Ulrich – Marino,Chet, compuserve, 1995.

8.Bd3 d5 9.Ng5=+.

8.Bd3 Ne5 9.Ne5 (9.Be5 de5 10.Ne5 Re8=) 9...de5 10.Qc2 e4 (10...Qd6 11.a3 Bc5 12.f4=) 11.Be2 (11.Be4 Ne4 12.Qe4 Qg5+=) 11...Bg4 (better 11...Bf5=+) 12.Bg4+/- Ng4 13.0-0?? (better 13.Qe4!? Bd2 14.Ke2 Nf2 15.Kf2+=) 13...Re8 (13...Qd6 14.g3 Qh6 15.h4-/+) 14.a4? (14.h3 Nf6=) 14...Bd6 (better 14...Qd6 15.g3 Rad8-/+) 15.Nc3?? (better 15.h3 Qh4 16.c5 Bh2 17.Kh1=+) 15...Bh2 (15...Nh2?! 16.Ne4 Nf1 17.Rf1-+) 16.Kh1 Bd6 (16...Qh4 17.f3 Be5 18.Kg1 Qh2) 17.Ne4 (17.g3 Qf6 18.Ne4 Qf3 19.Kg1 Re4 20.Qd1 Qd1 21.Rfd1 Rc4 22.Bc3-+) 17...Re6 (17...Qh4 18.Kg1 Qh2) 18.Nd6?? (better 18.g3=+) 18...Rh6 (18...Qh4 19.Kg1 Qh2) 19.Kg1 Qd6 (19...Rh1 20.Kh1 Qh4 21.Kg1 Qh2) 20.Rfe1?? (20.g3!? Qc6 21.e4=+) 20...Qh2 (20...Rh1! 21.Kh1 Qh2) 21.Kf1-/+ Qd6 22.Qe4?? (22.Kg1 Rh1!? 23.Kh1 Qh2) 22...Rh1 (22...Qd2 23.Qh7 Rh7 24.Bg7 Qf2) 23.Ke2+= Re1 24.Re1 Nf6 (24...Rd8 25.d3 h5 26.f3+=) 25.Qb7 (25.Bf6 Qf6 26.Rb1 Qa6 27.Rb7 c5+-) 25...Rd8 26.Bc3 (better 26.d4+/-) 26...Qd3=+ 27.Kd1?? (better 27.Kf3 Qf5 28.Ke2=+) 27...Ne4-+ 28.Qc7 (28.Qb2 Nc3 29.Kc1 Na4 30.Qa2-+) 28...Rf8 (28...Nc3 29.Kc1 Qd2) 29.Qf4?? (better 29.Kc1 Nc3 30.dc3 Qc3 31.Kd1 Qd3 32.Kc1-+) 29...Nc3 30.Kc1 Ne2 (30...Qb1) 31.Re2-+ Qe2 32.g4 (32.c5 Qd3-+) 32...Rd8 (32...Rc8!? 33.d3-+) 33.d4 Qc4 34.Kd2 Qa4 35.g5 (35.Qc7 Re8-+) 35...Qa2 36.Ke1 Rc8 37.Kf1 Qa6 (37...a5 38.Qf5 Rc2 39.Kg1-+) 38.Kg2 Qc6 39.e4 Qg6 40.d5 (40.Qe3 h6-+) 40...Re8 41.e5 (41.Kf3 a5-+) 41...Qd3 42.d6 Rd8 (better 42...Qd5 43.Kh2-+) 43.f3 (43.Kg1 Qd5 44.Qe3 Rb8-+) 43...Qe2 44.Kg3 Qe1 (44...Re8 45.d7 Rd8 46.Qd4-+) 45.Kg2 (45.Kg4-+) 45...Qe2 46.Kg3 a5 (46...Re8 47.d7 Rd8 48.Qd4-+) 47.g6 (47.Qd4 Qe1 48.Kh3 Qb4-+) 47...hg6 48.Qg5 (48.Qd4-+) 48...a4 (better 48...Qe1 49.Kh3 Rd6 50.ed6 Qh1 51.Kg3 Qg1 52.Kf4 Qc1 53.Kg4 f5 54.Qf5 gf5 55.Kf5 Qc8 56.Ke4 a4-+) 49.Qd8= Kh7 50.Qh4 Kg8 51.Qa4 Qe5 52.Qf4 Qe6 53.Qd4 (53.Qd2 Qd7=) 53...Kf8 54.d7 (54.d7 Qe1 55.Kg4 f5 56.Kh3 Qh1 57.Kg3 Qe1 58.Kg2 Qe2 59.Kg1 Qe1 60.Kh2 Qe2 61.Kg3 Qe1 62.Kh3 Qh1 63.Kg3 Qe1=). zomboeb (1620) – jolugrimo, lichess.org, 2020.

8.Be2 Ba5 9.0-0= Nb4 (9...Re8 10.Qc2=) 10.Nc3 Bf5 (10...d5 11.c5=) 11.d3 c5 12.e4 Bd7 13.a3 Nc6 14.Nd5 Nd5 15.ed5 Ne7 16.d4 cd4 (16...Re8 17.Bd3 Bf5 18.dc5 dc5 19.Ng5+=) 17.Qd4 Nf5 (17...f6 18.Bd3+=) 18.Qd1 (18.Qf4 Bb6+-) 18...a6 (18...Re8 19.Bd3=) 19.Nd4 (19.Bd3 Nh4+=) 19...Nh4 (19...Nd4 20.Qd4 Qg5 21.h4+=) 20.Nf3 (20.Qb3 Qg5 21.g3 Bh3+=) 20...Re8 21.Nh4 (21.Bd3 Rc8=) 21...Qh4 22.Bd3 Re7 23.Qc2 Rae8 24.Bc3 Bb6 (24...Bc3 25.Qc3 b5 26.cb5 ab5 27.Rae1=) 25.Bb4 (25.Rab1!? Bc5 26.Rb7+-) 25...Bc5 26.Bc5 dc5 27.Rab1 Bc8 28.d6 (28.Qb2 Re5 29.f3 Re3=) 28...Re5= 29.d7 (29.Qa4!? b5 30.g3=+) 29...Bd7=+ 30.Rb7 (30.f4 Rh5 31.g3 Qe7–/+) 30...Bc6 (30...Rh5 31.h3 Bh3–+) 31.Rb6? (better 31.f4!? Rh5 32.g3–/+) 31...Bg2! 32.Kg2?? (32.Kg2 Qg4 Mate attack) 32...Qg4 33.Kh1 Qf3 34.Kg1 Rg5 0–1. tsodikovich (1755) – ethdsy (1785), gameknot.com, 2016.

8.Be2 Na5 9.Qc2 Qd7? 10.Bf6+/– gf6 11.a3 Bc5 12.d4 Bb6 13.Bd3 f5? 14.d5+- Bd5? 15.cd5 Rae8 16.Bf5 Qb5 17.Nc3 Qc4 18.Bh7 Kh8 19.Bd3 Qc5 20.0-0 Rg8 21.Nd2 c6 22.Nde4 Re4 23.Be4 cd5 24.Bd5 Rg7 25.Qf5 Qc3 26.Rac1 Qe5 27.Rc8 Rg8 28.Rg8 Kg8 29.Qf7 Kh8 30.Qg8# 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Be2 Ne4 9.0-0 Bg4 10.h3 Bh5 (10...Bd7 11.d3 Nc5 12.Nc3+=) 11.d3+= Nc5 (11...Ng5 12.Nc3+=) 12.d4 Ne4 13.d5 Ne7 (13...Ne5 14.a3 Ba5 15.Ne5 Be2 16.Qe2 de5 17.Be5+-) 14.Qc2 Bg6 (14...f5 15.Bg7 Kg7 16.Nd4+=) 15.Bg7+- Kg7 16.Qb2 f6 17.Qb4 (17.Nd4 Bf7 18.Bf3+-) 17...b6 (better 17...c5!? 18.Qb7 Rb8+-) 18.Nd4+- Bf7 (18...Nc5 19.Nc3+-) 19.Nc3 a5 (19...Nc5 20.Qb2+-) 20.Qb2 Nc3 (20...Nc5 21.Rad1+-) 21.Qc3 Rc8 (21...Qd7 22.e4+-) 22.e4 c5 (22...Ra8 23.f4+-) 23.Qg3 Bg6 (23...Kh8 24.Nb5 Ra8 25.Nd6 Ng6+-) 24.Ne6 Kh8 25.Nd8 Rcd8 26.Qf4 Ng8 27.Rab1 Kg7 28.Rb6 Rfe8 29.Rd6 Re4 30.Qe4 Be4 31.Rd8 Kf7 32.d6 Bc6 33.Rd1 Nh6 34.d7 Bd7 (34...Kg6 35.Rg8! Ng8 36.d8Q Kf7 37.Qc7 Kg6 38.Qc6 Ne7 39.Qe8 Kh6 40.Qe7 Kg6 41.Rd6 Kf5 42.Bf3 Kf4 43.Qf6) 35.Bh5 Kg7 (35...Ke6 36.R8d7 f5 37.f4 Nf7 38.Bf7 Kf6 39.Bh5 h6 40.R1d6) 1–0. Pierre – C9133, internet, 2020.

8.Be2 Qe7 9.0-0 Rad8 10.d4 Bg4 11.Qa4 d5 12.a3 Ba5 13.c5 Ne4 14.Qc2 (14.Bb5 Bf3 A) 15.Bc6?? A1) 15...bc6?! 16.gf3 (16.Qa5 Qg5 17.g3 Qf5 18.Rc1 Qh3 19.Qa7 Qg2) 16...Qg5 17.Kh1=; A2) 15...Qg5 16.g3 Qf5–+; B) 15.gf3+=) 14...f5 15.Bc3 f4 16.Ba5 Na5 17.Ne5 (17.Nc3!?=) 17...Be2–/+ 18.Qe2 Qg5 (better is 18...Nc5 19.Nd2 Nd7 20.ef4 Rf4–/+) 19.f3?? (better is 19.ef4 Qf4 20.Ra2=) 19...Ng3?? (better is 19...Nc5 20.h4 Qh5–+) 20.hg3+- fg3 21.f4 Qh4 22.Nf3 Qh5 23.Rd1 Rf6 24.Kf1 Re8+= 25.Ne5?? Qh1 0–1. Andersson,Juhani – Peri,Timo, Karhula We KSSP op, 2004.

8.Be2 Ne7 9.0-0 (9.Bf6 gf6 10.Qb3 c5+/-) 9...c6 (9...Nc6 10.d4 d5 11.c5=) 10.d4 (10.Qb3!? Qb6 11.Bd4+/-) 10...Ba5 11.a4 Bc7 (11...Re8 12.Nbd2=) 12.Na3 (12.d5 cd5 13.Bf6 gf6 14.cd5 Nd5+=) 12...d5 13.c5 b6 14.Nc2 h6 (14...Ne4 15.Nb4=) 15.h3 (15.Nb4 Bc8=) 15...Nc8 (15...Ne4 16.Nce1=+) 16.Nh2 (16.Nb4!? Ne7 17.Na6+=) 16...Ne4= 17.f3 (17.Nb4!?=) 17...Ng3-/+ 18.Rf2 Qg5 (18...Qh4 19.cb6 Ne2 20.Re2 ab6 21.e4-/+) 19.f4 (19.Bd3 Re8=+) 19...Qg6 20.e4? (better 20.Bd3!? Ne4 21.Be4 de4 22.Ba3-/+) 20...de4 21.Ne3 (21.Ng4 Rb8-+) 21...Ne2 (21...Bf4 22.Rf4 Qg5-+ (22...Ne2 23.Qe2 f5 24.Raf1+/-)) 22.Qe2-/+ Bh3 (22...Ne7 23.Ba3 Nf5 24.Nf5 Qf5 25.cb6 Bb6 26.Bf8 Bd4 27.Bg7 Kg7 28.Rd1-/+) 23.f5 Qg3 (better 23...Qg5!? 24.Kh1 Bg3=+) 24.Nhf1 Qg5 25.d5? (25.Kh1 Qh4 26.gh3 Qh3 27.Kg1 Re8=) 25...Ne7 (25...bc5 26.Kh1 Bg4 27.Ng4 cd5-/+) 26.d6=+ Nf5 (better 26...Bd6 27.cd6 Nf5=) 27.Bg7?? (better 27.dc7 Rac8 28.cb6 ab6 29.a5+/-) 27...Qg7-+ (27...Kg7?! 28.dc7 Nd4 29.Qb2 bc5 30.Nc2-/+; 27...Ng7?! 28.dc7 bc5 29.Nd2-+) 28.Nf5 Bf5 (28...Qa1 29.gh3 Bd6 30.cd6+=) 29.Rf5 (29.Qe1 Bd6! 30.cd6-+) 29...Bd8 (better 29...Qa1 30.dc7 Qd4 31.Ne3 Rac8-+) 30.Qe4?? (30.Rd1 Re8 31.Nd2-/+) 30...bc5 (better 30...Qa1 31.Qc6 Bf6 32.Kh1-+) 31.Ne3?? (better 31.Rd1=+) 31...Qa1-+ 32.Kh2 Qd4 33.Qf3 (33.Qe5 Qh4 34.Kg1 Bg5 35.Qc5 Rfe8 (35...Qa4?! 36.Rg5 Kh8 37.Rh5 Qa1 38.Kh2=+) 36.Rg5 Qg5 37.Qg5 hg5-+) 33...Qd6 34.Kh1 (34.g3 Bg5-+) 34...Bg5 (34...Rb8 35.Nf1-+) 35.Ng4 (35.Nf1 Rae8-+) 35...Rad8 36.Nh6 (36.Nf2 Rfe8 37.g3 Qg6-+) 36...Bh6 (36...Qh6 37.Qh3 Rd1 38.Kh2 Bf4 39.Rf4 Qf4 40.Qg3 Qg3 41.Kg3-+) 37.Qg4 (37.Rf6 Qd1 38.Qd1 Rd1 39.Kh2 Kg7-+) 37...Qg6 38.Qf3 Rfe8 39.Rh5 Re1 40.Kh2 Qd6 (40...Rdd1 41.g4 Rh1 42.Kg3 Qd6 43.Kg2 Rdg1 44.Kf2 Qd4 45.Ke2 Re1) 41.Kh3 Rh1 42.Kg4 Rh5 (42...Qg6 43.Rg5 Qg5) 43.Kh5 (43.Qf2 Qg6 44.Kf3 Rf5 45.Ke2 Qe6 46.Qe3 Qe3) 43...Qg6 (43...Qh2 44.Qh3 Qe5 45.Qf5 Qf5 46.Kh4 Qf4 47.Kh3 Rd3 48.g3 Qg3) 44.Kh4-+ Rd4 45.Kh3 Qe6 46.Kh2 (46.g4 Bf4 47.a5 Qh6 48.Kg2 Rd2 49.Kg1 Qh2 50.Kf1 Rb2 51.Ke1 Qd2 52.Kf1 Qc1 53.Qd1 Qd1) 46...Bf4 47.Kg1 (47.g3 Rd2 48.Qg2 Qh6 49.Kg1 Be3 50.Kf1 Qf6 51.Qf3 Qf3 52.Ke1 Qe2) 47...Qe1 48.Qf1 0-1. zomboeb (1620) - ragas1010 (1645), lichess.org, 2020.

8.Be2 Re8 9.0-0 d5 10.cd5 Bd5 11.Nc3 Be6 12.Ng5 Qd7 13.Ne6 Qe6 14.a3 Bd6 15.Rb1 Qe5 16.f4+= Qa5 17.Bc1 b6 18.Bf3+- Qc5? 19.Qa4 Ne7 20.Rb5 (20.Ba8?! Ra8 21.Qa6 Qc6+-) 1–0. pierre (2170) – Quentinovich (1690), internet, 2008.

8.Be2 Re8 9.0-0 Qd7 10.a3 Ba5 11.Nc3 h6 12.d3 a6 13.Rb1 Na7 14.Ba1 c5 15.Qa4 Bc3 16.Qd7 Bd7 17.Bc3 1–0. grandma (1695) – purplegadge (1670), gameknot.com, 2011.

8.Be2 Re8 9.0-0 h6 10.d4= d5 11.c5 a6 12.Qb3 Rb8 13.Ne5 Ne4 14.f3 Nd2 15.Nd2 Bd2 16.Rfd1 Ne5 17.de5? d4!–+ 18.Bc4 Be3 19.Kh1 Bc4 20.Qc4 Re5 21.Bd4 Rd5 (21...Rd5 22.Qd5 Qd5 23.Be3 Qe6–+) 0–1. Franco,Eduardo – Barrajon,J, Albacete, 1987.

8.Ng5 Bf5 9.Qf3= g6 10.Be2 Ne5 11.Be5 de5 12.Nc3 Bg4 13.Qg3 Be2–/+ 14.Ke2 Nh5 15.Qe5= Re8 16.Qb5 Bc3 17.dc3 Nf4 18.Kf3=+ Nd3 19.Ke2 Ne5 20.h4 Qd3–+ 21.Ke1 Qc3 (21...Qc3 22.Ke2 Qc2 (22...Nc4?! 23.Rhc1 Re3 24.Kf1 Qd3 25.Kg1–/+; 22...Qc4?! 23.Qc4 Nc4 24.Rab1=+) 23.Kf1 h6–/+) 0–1. Woschkat,Karl_Heinz – Baer,Werner, CiF, 2001.

8.Ng5 Bf5 9.Qf3= g6 10.Be2 Ne5 11.Qg3 Re8 12.Qh4 d5 13.cd5 Qd5 14.0-0 Bd6 15.Rc1 h5 16.Bd1 Ne4 17.Bb3+/– Qd3 18.Be5 Be5 19.Bf7 Kf8 20.Be8 Ba1 21.Ne6 (21.Ne6 Be6 22.Bg6+-) 1–0. Engel,Manfred – Vollbrecht,Joerg, CiF, 1999

8.Ng5 Bf5 9.Qf3= Bg6 10.a3 Ba5 11.Bf6 Qf6 12.Qf6 gf6 13.Nh3 Rfe8 14.Kd1 Ne5 15.Nf4 Be4 16.d3 Ng4 17.Ra2+= Bc6 18.d4 f5 19.Bd3+/– Bd7 20.Nh5 Kh8 21.h3 Ba4 22.Ke2 Nh6 23.Bc2 Bc2 24.Rc2+/– Bb6 25.Rd1+- c6 26.c5 dc5 27.dc5 Bc7 28.Rd7 Rac8 29.Rc4 Red8 30.Rcd4 Re8 31.Nd2+- b5 32.Nf3 f4 33.Nf6 Rf8 34.e4 Kg7 35.Ng4 Ng4 36.hg4 Rfe8 37.g5 Kg6 38.Kd1 a5 39.Kd2 a4 40.Kc2+/– Kg7 41.Nh4 Be5 42.Rd3 Rc7 43.Rc7 Bc7 44.Nf5 Kf8 45.Rd7 Be5 46.f3 Re6 47.Kb1 Ke8 48.Rb7 Kf8 49.Kc1 Rg6+= 50.Ra7 Re6 51.Kc2+/– (51.Kc2 f6 52.gf6 Rf6 53.Rh7+/–) 1–0. Pierred (2145) – Gandalf 6 (2385), Rated game, 2m + 0s, 2005.

9.a3 Be7 10.Qc2 dc4 11.Ng5 c3?? 12.Bc3 Re8 13.Ne6 fe6 14.0-0 Nd5 15.Bb2 Bf6 16.Nc3 Nc3 17.Bc3 Bc3 18.Qc3 Qf6 19.d4+/– Re7 20.Bf3 Nd8 21.Rab1 c6+= 22.a4 Rc8 23.a5 c5 24.Rfc1 Rec7 25.Qd2 cd4+= 26.Rc7 Rc7 27.ed4 Rd7 28.Rd1 Nc6 29.Bc6 bc6 30.Qc3 e5 31.Qb3 Kf8 32.Qb4 Qd6–/+ 33.Qb1 g6 34.Rd3 ed4–+ 35.Rf3 Kg7 36.h4 Qe5 37.Qb4 c5 38.Qc4 Qe1 39.Kh2 Qa5 40.Qe6 Qc7 41.g3? Rf7 42.Rf7 Qf7 43.Qe5 Qf6 44.Qc7 Kh6 45.f4?? d3 46.g4 Qh4 47.Kg2 Qg4 48.Kh2 d2 49.Qe5 d1Q 50.Qf5 Qf5 (50...Qf5 51.Kg3 Qe2 52.Kh4 Qfg4#; 50...Qdg1#) 0–1. De Visser,Arno – Lindenhovius, 1999.

9.a3 Be7 10.cd5 Nd5 11.0-0 Bf6 12.d4 Qd6 13.Nbd2 Na5 14.Ne4 Qb6 15.Nf6 Nf6 16.Bc3 Nc4 17.Rb1 Qd6 18.Bb4 Qd5 19.Rc1 Nd6 20.Ne5 a5 21.Bf3 Nfe4 22.Bd6 cd6 23.Nd3 Bf5 24.Nf4 Qb5 25.Rb1 Qd7 26.h3 Rac8 27.Qe1 Nc3 28.Rc1 Nb5 29.Qa5 Na3 30.Qa3 Rc1 31.Rc1 Rc8 32.Rc8 Qc8 33.Kh2 d5 34.Bd5 g5 35.Qe7 gf4 36.Qf7 Kh8 37.Qf6 Normal 1-0. carlos78 (2195) - slagi (1810), Rated Blitz game, lichess.org, 2015.

9.Qc2 Be7 10.a3 Qd7 11.cd5 Nd5 12.0-0 Bf5 13.d3 Bg6 14.Nc3 Bh5 15.Ne4 Bg6 16.Nc5 Qc8 17.Rfc1 Rd8 18.Rab1 Rd6? 19.Nb7!+- Qb7 20.Be5 Ndb4 21.Bd6 cd6 22.ab4 Nb4 23.Nh4! Bh4 24.Rb4! Qe7 25.Qc8!! Qd8 26.Qd8 Rd8 27.Rh4 Ra8 28.Rd4 Rb8 29.Rd6 Kf8 30.Rc7 Ra8 31.Rdd7 a5 32.f4 Kg8 33.g4 f5 34.e4 fe4 35.de4 Be4 36.Rg7 Kh8 37.f5 Bd5 38.Rh7 Kg8 39.Rcg7 Kf8 40.f6 Rd8 41.Rh8 Bg8 42.Rhg8 1–0. pierre (2115) – deepaktnj, internet, 2007.

9.cd5 Qd5 10.0-0 Qf5=+ 11.d4 Rad8 12.a3 Bd6 13.Nbd2 Qg6 14.Nc4 Bh3 15.Ne1 Be7 16.Bd3 Bf5 17.Bf5 Qf5 18.Nd3 b5 19.Nce5 Ne5 20.Ne5 Bd6 21.Qd3 Qh5=+ 22.Qd1 Qh4 23.Nf3 Qe4 24.Qb1 Qd5 25.Qc2 Rfe8 26.Rad1 a5 27.Ne5 a4 28.f4 Ne4=+ 29.Qc6?? Re5–+ (29...Re5 30.Rc1 Qc6 31.Rc6 Re7–+) 0–1. touchdown – Double Wood, ChessWorld.net, 2005.

9.cd5 Qd5 10.Bf6 gf6 11.0-0 Ne5 12.Ne5 Qe5 13.d4+= Qg5 14.Nd2 Bh3 15.Bf3 Kh8 16.Ne4 Qg6 17.Ng3 Bd7 18.Qb1 a5 19.Qg6 fg6+/– 20.Bb7 Rab8 21.Bf3 f5 22.Rac1 Bb5 23.Be2 c6 24.Bb5 cb5 25.Ne2 Ba3 26.Rb1 Rfc8 27.Nf4 Rc2 28.Nd5 Ra2=+ 29.Nc3 Rb2 30.f3 b4 31.Na4 Re2 32.Rfe1 Re1 33.Re1 b3 34.Rb1 b2 35.Kf2 Rb3 36.e4? fe4 37.fe4 Kg7 38.Ke2 Kf6 39.Kd2 Rb4 40.Nc3 Rd4 41.Ke3 Bc5 42.Ke2 Ba3?? 43.Rd1?? Ke5?? 44.Rd4=+ Kd4 45.Nb5 Kc4 46.Na3 Kb3 47.Nb1 Kc2 48.Na3 Kb3 49.Nb1 a4 50.e5?? a3–+ 51.e6 a2 52.Nd2 Kc2 53.e7 a1Q 54.e8Q Qd1 55.Kf2 Qd2 56.Kg3 b1Q (57.Qa4 Qb3 58.Qb3 Kb3–+) 0–1. hal1958 – ribasjr, HCL–A1597 playchess.de, 2003.

9.cd5 Bd5 10.0-0 Re8 11.Nc3 Ne4 12.Qc2 (12.Nd5 Qd5 13.d3 Nc3 14.Bc3 Bc3=) 12...Nc3 13.Bc3 Bc3 14.Qc3 Qd6 15.Rfc1 Rad8 16.d4 Re7 17.a3 Qg6 18.Ne1 Rde8 (18...a6 19.Bf3 Re6 20.Bd5 Rd5 21.Nd3+/–) 19.Bf3+= Be4 20.Be4 Qe4 (worse is 20...Re4 21.Rab1+/–) 21.Qd3 Qd5 22.Qc4 Qd6 23.Nf3 Qf6 (23...Nd8!?+=) 24.Rab1+/– a6 25.h3 (25.Qa4 Nd8+/–) 25...h6 (25...Nd8 26.Qc3+=) 26.Qc5 (26.Qa4!? Nd8 27.Rc7+/–) 26...Nd8+= 27.a4 b6 28.Qc4 a5 29.Rb5 Nb7 30.Qc2 Nd6 31.Rb2 Ne4 0–1. Krivoshapko,Alexander – Savostjanov,Igor, Omsk_RT, 2009.

9.cd5 Nd5 10.0-0 Bf5 11.d3 Nb6 12.Nc3 a6 13.a3 Be7 14.Qc2 Bf6 15.Rfd1 Qe7 16.e4 Be6 17.d4+= Bc4?? 18.e5 Be2= 19.Ne2 Bg5?? 20.d5+- Na5 21.Ng5 Qg5 22.Qc7 Nbc4 23.Bc1 Rac8?? 24.Qc8 (24.Qc8 Qe5 25.Bf4 Qe2 26.Qc7+-; 24.Bg5?! Rc7 25.e6 fe6 26.de6 Nb3+-) 1–0. Fredek (2065) – Guest1314990, Freundschaftspartie, 5m + 0s, 2006.

9.cd5 Nd5 10.a3 Bd6 11.0-0 Re8 12.Qc2 Qd7 13.Nc3 Nf6 14.Nb5 Be7 15.Ne5 Ne5 16.Be5 Bf5 17.Qc7 Qd2 18.Bf3 Rac8 19.Qb7 Rc5 20.Bd4 Bc8 21.Qa7 Rb5 22.Bc6 Qa5 23.Qa5 Ra5 24.Bf6 Bf6 25.Be8 Ba1 26.Ra1 Kf8 27.Bc6 Rc5 28.Bf3 Bd7 29.Kf1 Ba4 30.Ke1 h6 31.Bd1 Bd1 32.Kd1 Rg5 33.g3 Rh5 34.a4 Rh2 35.Ke2 Rh5 36.a5 Rd5 37.a6 Rd8 38.a7 Ra8 39.Kd3 h5 40.Kd4 g5 41.Kc5 h4 42.gh4 gh4 43.Kb6 (43.Kb6 Kg7 44.Kb7+-) 1–0. Muri,H – Norris,A, corr 6. EU/MSM/section, 2002.

8.Be2 d5 9.0-0 Be6 (9...dc4 10.Bc4 Bg4 11.d4 Rad8 12.a3 Bd6 13.Nbd2) 10.Ng5 (10.cd5 Nd5 11.a3 Bd6 12.Bb5 Nd8 13.e4) 10...Bf5 11.d4 dc4 12.Bc4 Bd6 13.Nf3.

8.Be2 d5 9.a3 Bd6 10.cd5 Nd5 11.Qb3=+.

8.Be2 d5 9.cd5 Nd5 10.a3 (10.0-0 Be6 11.d4 a6 12.Qc2 Bd6 13.Nc3) 10...Bd6 11.0-0 Be6 12.Bb5 Nd8 13.e4.

8.Be2 Ne4 9.0-0= f5 (9...h6=) 10.d4 (10.d3 Nc5=) 10...Kh8 (10...f4 11.ef4 Rf4 12.a3+=) 11.Qa4 (11.d5 Ne5=) 11...Bd7 (11...f4 12.ef4 Rf4 13.d5–/+) 12.Bd1 (better is 12.d5 Nc5 13.Qc2=) 12...d5?? (better is 12...f4–/+) 13.a3+/– Ba5 (13...Bd6 14.c5 Bc5 15.dc5+-) 14.cd5+- b5 (14...Ne5 15.Qa5 Nc4 A) 16.Qc7?! Rfc8 17.Qb7 Rab8 18.Qa7 Ra8+/– (18...Rb2? 19.Ba4 Rd8 20.Qc7+-); B) 16.Qb4 Qb4 17.ab4 Nb2 18.Be2+-) 15.Qb5 (15.Qb3 Nd8+-) 15...Rab8 (15...Rfb8 16.Qa4 Nd8 17.Qa5 Rb2 18.Nc3+-) 16.Qa6 (16.Qa4!? Nd8 17.Qa5 Rb2 18.Qc7 Rb7+-) 16...Rb6 (16...Rb2? 17.dc6 Nf2 18.Qa5+- (18.Rf2 Qe3 19.Be2 Be6=)) 17.Qe2 Rfb8 18.Ra2?? (18.dc6!? Bc8 19.Bc1 Rb1 20.Rb1 Rb1 21.Bc2+-) 18...Nd8 (better is 18...Qf7 19.Bb3 Rb3 20.dc6 Bc6–/+) 19.Ne5?? (better is 19.a4 c6 20.Ne5 cd5 21.f3+/–) 19...Bb5–/+ 20.Qh5?? (20.Qc2 Bf1 21.Kf1–+) 20...Kg8?? (20...g6 21.Qh6 Nf7 22.d6 Rd6 23.d5 Ne5 24.Qf4 Bf1 25.Be5 Kg8 26.Bd6 cd6 27.Nd2 Bd2 28.Kf1–+) 21.Bb3?? Nd6–+ 22.Rc1 Be8 23.Qd1 Rb3 24.Ba1 Ba4 25.Qf1 Ne4 26.Rac2 Rb1 27.Rb1 Rb1 28.Qb1 Bc2 29.Qc2 Qa3 30.Bb2 Qb4 31.g3 Qd2 32.Qd2 Bd2 33.Ba3 Nf7 34.Nc6 g6 35.Na7 Nf6 36.Nc6 Nd5 37.Kf1 Kg7 38.Ke2–/+ Bc3 39.f3 Kf6 40.Kd3 Be1 41.e4 fe4 42.fe4 Ne7?? 43.Be7+- Ke6 44.Bc5 Kd7 45.d5 h5?! 46.e5 Ng5 47.h4 Nh7 48.e6 Ke8 49.d6 cd6+= 50.Bd6 Nf8 51.e7 Ne6 52.Kc4 Ng7= 53.Nd4 Kd7 54.Kd5 Nf5 ½–½. Mikhaylov,Dimitri (1860) – Pranitchi,Veaceslav, Memorial Gh. Ghimpu, 2012.

8.Be2 Be6 9.0-0 d5=+ 10.Qc2 dc4 (10...Bd6 11.a3=+) 11.Bc4 Qc5 12.Rc1 Bc4 (12...Qc4 13.Qc4 Bc4 14.Rc4=) 13.Qc4 (13.Bf6 Bd3 14.Qb2 Qb6 15.Bg7 Rfd8+-) 13...Qc4= 14.Rc4 Bd6 (better 14...Nd7!?=) 15.Bf6+- gf6 16.d4 Na5 17.Rc2 Rfd8 18.Nbd2 Kf8 (18...f5 19.Rb1+-) 19.Rb1 (19.Ne4 c6+-) 19...Rab8 (19...c6 20.Ne4+-) 20.Rb5 Nc6 21.Rcb2 b6 22.g3 a6 23.R5b3 b5 24.Rc3 Ne7 25.Ne4 Nd5 26.Rcb3 f5 27.Nd6 Rd6 28.Ne5 f6 29.Nd3 Nb6 30.Rc2 Rc8 31.Rc5 Nd5 32.Kg2 Ke7 33.Kf3 c6 34.Ra3 Ra8 35.Ra5 Kd7 36.Nf4 Ne7 (36...Nb6 37.Ra3+- (37.Rf5? Nc4–+)) 37.Rc3 Kc7 38.Rca3 Kb6 39.Nd3 Nd5 40.Nc5 Nc7 41.Kf4 Rd5 42.Nd3?? (42.h3 b4 43.R3a4 Ne6 44.Ne6 Ra5 45.Rb4 Rb5+-) 42...Ne6?? (better 42...b4 43.Nb4 Ne6 44.Kf3 Ra5 45.Ra5 Ka5 46.Nc6 Ka4–+) 43.Kf3+= c5 44.dc5 (44.Ke2 h6+=) 44...Nc5= 45.Nc5 Rc5 46.Kf4 Rc2 The mate threat is Rxf2 47.f3 (47.Kf3 Rc5=) 47...Rc5=+ (47...Rh2?! 48.e4–/+ (48.Kf5?? b4–+)) 48.h3? (48.g4 Re5 49.Kg3 fg4 50.fg4 b4 51.Re5 fe5=) 48...h5 (48...Re5 49.g4 b4 50.Re5 fe5 51.Ke5 ba3 52.gf5 Kc7–+) 49.g4=+ fg4 (49...Re5 50.Kg3=) 50.fg4= (50.hg4? h4–+) 50...hg4 51.hg4 Rg5 52.Kf3 Rc5 53.Kf4 Re5 54.Kf3 Rg5 55.e4 Re5 56.Ke3 b4 57.Re5 fe5 58.Rd3 a5 (58...Rh8 59.Rd6 Kb5 60.Rd5 Ka4 61.Re5=) 59.Rd5 (59.Rd6 Kb5+=) 59...a4 60.Rd2 (60.Re5!? b3 61.Rh5=) 60...a3=+ 61.Rd1 Rg8 62.Rg1 Kb5 (62...Kc5 63.Kd3 Rd8 64.Kc2 Rh8=) 63.Rg3?? (better 63.Kd3=) 63...b3–+ 64.ab3 a2 65.Rg1 Kb4 66.Kf3 Kb3 67.Kg3 (67.g5 Rg5!! 68.Rg5 a1Q–+) 67…Rc8 (67...Rc8 68.g5 Ra8–+; 67...Ra8!? 68.Ra1–+) 0–1. Kreuzer,Uwe – Kienle, Verbandsliga, 1984.

8.Be2 Be6 9.0-0 d5 10.Ng5 +=.

8.Be2 Be6 9.0-0 Rfe8 10.Qc2 Bg4 11.a3 Ba5 12.Nc3 (12.d4 Rab8=) 12...Bc3 13.Bc3 Ne5 14.Rfe1 (14.Rfb1 Nf3 15.gf3 Bc8=) 14...c5 (14...Bf3 15.gf3 d5 16.c5=) 15.Rac1 (15.Ne5 de5 16.Bg4 Ng4=) 15...Nf3 (15...Rad8 16.Ne5 de5 17.Bg4 Ng4 18.h3=) 16.gf3 Bd7 (16...Bh3 17.Kh1=) 17.Kh1 (17.Qb2 b6=) 17...b6 (17...Bc6 18.Rg1 Qe6 19.Rg2=) 18.Rg1+= g6 19.Ba1 (19.Qb2 Nh5=) 19...Nh5 20.Qc3 Qe5 21.Qb3 (21.Rce1 f6=) 21...Qe7 22.Qb2 Qe5 23.Qb1 (23.d4 cd4 24.Qd4 Qd4 25.Bd4 Bc6=) 23...Qe7 (23...Qf5 24.d3=) 24.Bd1 (24.Qe4 Kf8=) 24...Qh4 25.Qb2 f6 26.d3 Bc6 (26...Re7 27.Rb1=) 27.e4 (27.Rb1 Re6=) 27...Bd7 28.Qd2 (28.d4 Nf4 29.Qd2 Rac8=) 28...Rf8 (28...Re7 29.Rb1=) 29.d4 Rf7 (29...Rad8 30.Bc2=) 30.Qe3 (30.Bc2 f5=) 30...Raf8 (30...Re8 31.Qd2+=) 31.Bc2 (31.Rc2 f5+=) 31...Rg7 (31...f5 32.ef5 Bf5 33.Bf5 Rf5 34.Qe6 R5f7 35.Qd6–/+) 32.Rcd1= Be6 (32...Re7 33.Rd2=) 33.Ba4 (33.Bd3 Re7=) 33...g5 (33...Bc4 34.Rc1 Be6 35.Bc6+=) 34.dc5 (34.d5!? Bh3 35.Bc6=) 34...dc5+= 35.Bc6 Nf4 (35...Bc4 36.Rd6+=) 36.Bd5= Bd5 (36...Rg6 37.Be6 Ne6 38.Rg4=) 37.cd5 Qh3 (37...Rg6 38.Rg4 Qh5 39.Qb3=) 38.d6 (38.Rg3 Qd7+=) 38...Qd7 (38...Qe6 39.e5 f5 40.d7+=) 39.e5 (39.Qb3!? Qf7 40.Qf7 Kf7 41.e5=) 39...Re8+= 40.Qb3 Kf8 41.ef6 Rg6 42.Qc4 (42.a4 Nh3 43.Rgf1 g4=) 42...Nh3 (42...Re6!?+=) 43.Rde1 Ng1 44.Re7 Re7 45.de7 Ke8 46.Qe4 Kf7 47.Kg1 (47.Qc4 Ke8 48.Qe4 Qc8=) 47...g4 (47...b5 48.Qa8 Rg8 49.Qe4+=) 48.Qc4 (48.f4 h6+=) 48...Ke8= 49.f4 Qd1 50.Kg2 Qf3 51.Kf1 a6 52.Qa6 Qd1 (52...Qh1 53.Ke2 Qe4 54.Kf1 Qb1 55.Kg2 Qe4 56.Kg1 Qb1 57.Kg2 Qe4 58.Kg1 Qb1 59.Kg2=) 53.Kg2 Qf3 54.Kg1 Qd1 55.Kg2 Qf3 56.Kg1 Qd1 57.Kg2 ½–½. Vitruvius 64_bit 4CPU – Stockfish 64_bit 4CPU, CCRL, 2012.

8.Be2 Be6 9.a3 Ba5=.

8.Be2 Re8 A) 9.Qb3 Ba5 (9...Rb8 10.0-0 Bg4 11.a3 Ba5 12.d4 Ne4 13.Qc2) 10.Nc3 (10.0-0 Ne4 11.d4 Rb8 12.Nc3 Bf5 13.Nd5) 10...Bc3 11.Bc3 Ne4 12.0-0 a5 13.d4; B) 9.a3 Ba5 10.0-0= (10.Qb3 Rb8 11.0-0 Ne4 12.Nc3 Bc3 13.Bc3) 10...Bf5 11.Qb3 Rab8 12.Qb5 Bg6 13.Qg5.

8.Be2 Bf5 9.0-0= (9.a3 Ba5 10.0-0 (10.Nc3 Rfe8 11.0-0 Ne5 12.d3 c6 13.Nd4) 10...Rfe8 11.Qb3 Rab8 12.Qb5 Bg6 13.Qg5) 9...Bg4 (9...Rfe8 10.a3 (10.Nc3 Rad8 11.a3 Ba5 12.Qb3 Bc3 13.Qc3) 10...Ba5 11.Qb3= (11.Nc3 Ne5 12.d3 c6 13.Nd4) 11...Rab8 12.Qb5 Bg6 13.Qg5; 9...Rab8 10.a3 (10.d4 d5 11.a3 Ba5 12.Ne5 Rfd8 13.Qa4) 10...Ba5 11.Nc3 Rfe8 12.Nd5 Nd5 13.cd5) 10.d4 (10.Nc3 Rfe8 11.d4 Bc3 12.Bc3 Ne4 13.Qc2) 10...d5 (10...Rfe8 11.Qb3 d5 12.a3 dc4 13.Bc4=) 11.c5 (11.a3 Ba5= 12.cd5 Nd5 13.Qb3) 11...Ne4 (11...Rab8 12.Bc3= Rfe8 13.Bb4) 12.Nfd2 (12.a3 Ba5= 13.Qb3; 12.Qb3 Qe6 13.Bc3) 12...Be2 13.Qe2 Nd2 (13...Bd2 14.Nd2 f5 15.Rab1=) 14.Nd2 Bd2 15.Qd2 f5 (15...Rfe8 16.Rab1=) 16.Rae1 (16.Rfb1 b6=) 16...Qg5 (16...b6 17.Qd3 Qe4 18.Rd1=) 17.f4 (17.Rb1!?=) 17...Qg6=+ 18.a3 (18.Re2 Rfe8=+) 18...Rae8 19.Qc3 (19.Qd3 Re4=+) 19...Qe6 (19...Re4 20.Rb1 b6 21.Rf3–/+) 20.Rf3 Rf6 21.Kf2 (21.Rg3 b5=+) 21...Rh6 (21...Rg6 22.Re2–/+) 22.h3 (22.Kg1 Qe4–/+) 22...Rg6 23.Qd2 Qe4 (23...b5 24.Qd3 a6 25.Bc3–/+) 24.Bc3 h5 (24...Ne7 25.Qb2–/+) 25.Qd1 (25.Rg3 Rh6=+) 25…Kh7 ½–½. Van Esbroeck,Dirk – Checa,Nicolas, SN–2010-0-00268, 2010.

8.Be2 h6 9.0-0 Ne5 (9...Bf5 10.Nc3=+) 10.d4= Nf3 (10...Nc6 11.a3 Ba5 12.d5=) 11.Bf3 c6 (11...c5 12.a3 Ba5 13.dc5 dc5 14.Nc3+=) 12.Qa4+= d5?? (better 12...c5+=) 13.c5+- a5 14.a3 Bg4 (14...b5 15.Qc2 Ba3 16.Ba3+-) 15.Bg4 Ng4 16.ab4 Qc7 (16...ab4 17.Qa8 Qc7 18.g3 Ra8 19.Ra8 Kh7 20.Ra4+-) 17.g3 h5 (17...b5 18.Qb3+-) 18.ba5 h4 19.Qc2 hg3 (19...Ra5 20.Ra5 Qa5 21.Nc3+-) 20.hg3 Qe7 (20...Ra5 21.Ra5 Qa5 22.Kg2+-) 21.Nc3 Qg5 (21...f5 22.Rfe1+-) 22.Bc1 Qh5 (22...Rfe8 23.Kg2+-) 23.f3 Nf6 24.Kg2 g5 (24...Rfd8 25.Rh1 Qg6 26.Qg6 fg6 27.Bd2+-) 25.Qf5 Qh6 (25...Qg6 26.Qg6 fg6 27.e4+-) 26.e4 Qg6 27.Qg5 (27.Qg6 fg6 28.Bg5 de4 29.fe4 Ng4+-) 27...de4 (27...Kg7 28.Rh1 Rfe8 29.Qg6 Kg6 30.Rh6 Kg7 31.e5+-) 28.fe4 Qg5 29.Bg5 Nh7 30.Bh6 Rfe8 (30...Rfc8 31.d5 Nf8 32.Rf5+-) 31.d5 cd5 (31...Nf8 32.Be3+-) 32.ed5 Rec8 (32...Nf8 33.Rfb1 Nd7 34.c6 bc6 35.dc6+-) 33.Ra4 Rc5 (33...Nf8 34.Ne4 Kh7 35.Bf8 f5 36.Ng5 Kg6+-) 34.Rg4 Kh8 35.Bg7 Kg8 36.Bd4 (36.Bd4 Kf8 37.Bc5 Ke8 38.Rg8 Nf8 39.Rf8 Kd7 40.R1f7) 1–0. Lavendel – Liliann, internet free game, 2018.

8.Be2 h6 9.Qb3 Be6 10.Nd4 (10.Nc3 Bc5+=) 10...a5 (10...Nd4 11.Bd4 c5 12.a3=) 11.Ne6 (11.a3 Bc5 12.Ne6 fe6 13.Qb7 Qd7+/-) 11...fe6 (11...a4 12.Qc2 fe6 13.a3=) 12.a3+= a4 13.Qc2 Ba5 14.Nc3 Bc3 15.Bc3 e5 16.Rb1 Rfb8 (16...Ra7 17.0-0+=) 17.0-0 d5? (17...Ra7 18.Bf3 Qe8 19.d3+/-) 18.f4 (18.cd5 Nd8+-) 18...dc4 (18...d4 19.fe5 Qe5 20.Bb2+/-) 19.Bc4 Kh8 20.fe5 (20.Bb5 Qa3 21.Bc6 bc6 22.Be5 Rd8+/-) 20...Ne5 21.Bb4 (better 21.Be2+/-) 21...c5=+ 22.Bc3 Nc4 23.Bf6 Qe6?? (23...Na3 24.Be7 Nc2 25.Rfc1=+) 24.Bb2?? (better 24.Qg6 Qd7 25.Qh6 Kg8 26.Bg7 Qg7 27.Qe6 Kh8 28.Rf5+-) 24...b5=+ 25.Qc3 Ra7 26.Rf4 Rd8 The backward pawn on d2 becomes a target (worse 26...Nb2 27.Qc5 Rf7 28.Rf7 (28.Rb2?? Rf4 29.Qc1 Rc4-+) 28...Qf7 29.Rb2+/-) 27.Rbf1 Rd2 1-0. AhmedSultanov - brucelee58 (1625), lichess.org, 2019.

9.0-0 Rab8 A) 10.h3 Bf5 (10...Bf3 11.Bf3 Qe6 12.a3 Ba5 13.Qa4 Qf5 14.Qb3) 11.Nc3 (11.Qb3 Ne4 12.Nc3 Bc3 13.Bc3 f6 14.d3) 11...Bc3 12.Bc3 Ne4 13.Bb2 f6 14.d3; B) 10.Nc3 B1) 10...Bf3 11.gf3 (11.Bf3 Ne5 12.Be2 Bc3 13.dc3 Rfe8 14.Re1) 11...h6 12.d4 Rfe8 13.Qb3 a5 14.Na4; B2) 10...Bc3 11.Bc3 Ne4 12.h3 Nc3 13.dc3 Bd7 14.Qc2.

9.0-0 d5 10.cd5 Nd5 11.h3= (11.Qc2 g6 12.a3 Ba5 13.Nc3 Bc3 14.Bc3) 11...Be6 12.a3 Bd6 13.Qa4 Nb6 14.Qc2.

9.0-0 Ne4 10.d3= (10.h3 A) 10...Be6 11.d3 (11.Nc3 Bc3 12.Bc3 Nc3 13.dc3 b6 14.Qc2) 11...Nc5 12.Nc3 f6 13.Nd5 Qd7 14.Nb4; B) 10...Bf5 11.d3 (11.a3 Ba5 12.d3 Ng5 13.Nc3 Nf3 14.Bf3) 11...Nf6 12.Nc3 h6 13.e4 Bd7 14.Qb3) 10...Bf3 (10...Nc5!?= 11.a3 (11.Nc3 Qf6 12.Na4 Ne5 13.Nc5 Bc5 14.Ne5) 11...Ba5 12.Nc3 Qf6 13.Na4 Qe7 14.Nc5; 10...Nf6 11.Nc3 (11.h3 Be6 12.Nc3 h6 13.Qb3 a5 14.Nd5) 11...h6 12.Qb3 Bc3 13.Bc3 Ne5 14.Rfe1) 11.Bf3+= Ng5 (11...Nc5 12.a3 Ba5 13.d4 Ne4 14.d5) 12.Bd5 Ne5 (12...Nd8!? 13.g3 (13.Qb3 Bc5 14.h4) 13...c6+- (13...Nc6 14.Qb3) 14.Bg2) 13.f4+- (13.d4 Nd7 14.Bb7) 13...Nh3? (better 13...c6 14.fe5 cd5 15.cd5 h6+-) 14.gh3+- Ng6 15.Bc1 Qf6 (15...c6 16.Bh1+-) 16.Qb3 a5 (16...c6 17.Be4 (17.Qb4?! cd5 18.Bb2 Qf5+-) 17...a5 18.Qb2 Qb2 19.Bb2+-) 17.d4 c6 (17...Ne7 18.Be4 Qe6 19.Bg2+-) 18.Bh1 Rfe8 (18...Rfc8 19.a3 c5 20.ab4 ab4 21.Ra8 Ra8 22.Bb2+-) 19.a3 Bc5 (19...Be1 20.Qb7 (worse 20.Re1 Nf4 21.Bg2 Ng2 22.Kg2 Qg6 23.Kf1 Qf6 24.Ke2 Qd4+-) 20...Bh4 21.Bc6+-) 20.dc5 dc5 21.Nc3 Nh4 (21...Rad8 22.Rb1 Nh4 23.Ne4 Qg6 24.Ng3+-) 22.Ne4 Qg6 23.Ng3 Nf5 (23...Rad8 24.f5 Qf6 25.Ra2+-) 24.Qb7 Ng3 (24...Rad8 25.Qc6 Re6 26.Qc7+-) 25.hg3 Qg3 26.Bg2 Rad8 (26...Rac8 27.Rb1+-) 27.Qc6 Re6 (27...h6 28.Qc5 Rc8 29.Qd5+-) 28.Qc7 Ree8 (28...Rf8 29.Rf2+-) 29.Rb1 g5 (29...Rc8 30.Qa5 h6+-) 30.Rb7 Rf8 31.fg5 Qc7 32.Rc7 Rd3 33.Bd5 Rc3 34.Bb2 (34.Bb2 h5 35.Bc3 Kh7 36.Bf7 Rf7 37.Rff7 Kg6 38.h4 a4 39.Rf6) 1–0. pierred (2750) – jacksrking, net–chess.com, 2009.

9.0-0 Rfe8 A) 10.h3 Bf5 (10...Bf3 11.Bf3 Ne5 12.d3 c6 13.Nc3 g6 14.a3) 11.a3 (11.Nc3 Bc3 12.Bc3 Ne4 13.Bb2 f6 14.d3) 11...Ba5 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2; B) 10.Nc3 B1) 10...Ne5 11.h3 (11.d3 Nf3 12.Bf3 Qe5 13.Bg4 Bc3 14.Bc3) 11...Bf3 12.Bf3 c6 13.d3 g6 14.a3; B2) 10...Bc3 11.Bc3 Ne4 12.Rb1 b6 13.Bb2 a5 14.d3.

9.0-0 Bf3 10.Bf3 Ne5 11.a3 A) 11...Ba5 12.Be5 (12.Bb7 Rab8 13.Be5 de5 14.Bf3 e4 15.Be2 Rb2) 12...de5 13.Bb7 Rab8 14.Bf3 e4 15.Be2 Rfd8; B) 11...Bc5 12.d4 Nc4+= (12...Nf3 13.Qf3 Bb6 14.Qb7 Rab8 15.Qf3 Ne4) 13.dc5 Nb2 14.Qb3 dc5 15.Qb2 c6.

9.0-0 Bf3 10.Bf3 Ne5 11.Bb7 Rab8 12.Ba6 (12.Be5 de5 13.Bd5 Rfd8 14.Qa4 Nd5 15.cd5 Rd5) 12...Rb6 13.Qa4 Nd3 14.Bd4 c5 15.Bc3 Ne4.

9.0-0 Bf3 10.Bf3 Ne5 11.Be2 c6 12.d4 (12.Qa4 a5 13.a3 Nc4 14.Bc4 b5 15.Qc2 bc4) 12...Ned7 (12...Ng6 13.Qa4 d5 14.c5+- a5 15.a3 Nf4) 13.Qb3 (13.Qa4 d5 14.c5 a5+- 15.a3 Nc5) 13...c5 (13...Ba5 14.Bd3 b6 15.Qa4+= (15.Nc3 Bc3) 15...Rac8) 14.Nc3 (14.Bf3!?+- Rab8 15.Na3 Ba3; 14.Rd1 Rfe8 15.Bf3 Rab8) 14...cd4 15.Qb4 dc3 16.Bc3 Nc5 17.Rfd1 Nfe4 18.Bd4 Qg5 (18...Qh4 19.g3 Qg5 20.f3+=) 19.Bf3 f5 (better 19...b6!?+=) 20.Bc5+- dc5 21.Qb7 Rad8 (21...Qf6 22.Qd5 Kh8 23.Qd7+-) 22.Be4 (22.Rd8 Qd8 23.Qa7 Qd2+-) 22...fe4 23.Qe4 1–0. Fredek (2090) – Sissiekingkong, Freundschaftspartie, 5m + 0s, 2005.

9.0-0 Bf3 10.Bf3 Ne5 11.Be2 Nc6 A) 12.d4 Ba5 (12...Ne4 13.a3 Ba5 14.Bd3 f5 15.Qb3 Rab8) 13.a3 Rfe8 14.Bf3 Ne4 15.d5 Nd8; B) 12.a3 Ba5 13.Bf3 Rab8 14.Bf6 Qf6 15.d4 Ne7.

9.0-0 Bf3 10.Bf3 Ne5 11.Be2 Rfe8 12.d4 (12.a3 Ba5 13.d4 Ng6 14.Qa4 b6 15.Bc3 Bc3) 12...Ng6 (12...Nc6 13.Qb3 Ba5 14.Qb7 Rab8 15.Qc6 Rb2) 13.Qb3+= (13.Bf3 c5 14.Qa4 Nh4 15.a3 Nf3) 13...Ba5 14.Qb5 b6 15.Bd3 c5.

9.0-0 h6 A) 10.a3 A1) 10...Bc5 11.Nc3 (11.d4 Bb6 12.Nc3 Rae8 13.Nd5 Qd8 14.h3) 11...Bf5 12.d4 Bb6 13.Bd3 Qd7 14.Nd5; A2) 10...Ba5 11.h3 (11.Nc3 Bc3 12.Bc3 Ne4 13.Qb3 Nc3 14.dc3) 11...Bf5 12.d3 d5 13.Nbd2 Rad8 14.Qb3; B) 10.Nc3 B1) 10...Ne5 11.Ne5 (11.d3 Rad8 12.h3 Bh5 13.Rb1 Bf3 14.Bf3) 11...Be2 12.Qe2 de5 13.f4 ef4 14.Rf4; B2) 10...Bc3 11.Bc3 Ne4 12.Rb1 Rab8 13.Qc2 Nc3 14.Qc3.

9.a3 Ba5= 10.0-0 Rfe8 (10...Rad8 11.d3 Rfe8 12.Nc3 d5 13.Nd5 Nd5) 11.d3 Rab8 12.Nbd2 Bd2 13.Qd2 a6.

9.Qb3 Ne4 A) 10.0-0 Rfe8 (10...Rab8 11.d3 Ng5 12.Qd1 Rfe8 13.Ng5 Be2) 11.a3 Ba5 12.d3 Nc5 13.Qc2 Qd7; B) 10.a3 Ba5 (10...Nc5 11.Qc2 Ba5 12.0-0 Ne5 13.Nd4 Be2) 11.0-0 Nc5 12.Qd1 Rfe8 13.d4 Ne4.

9.Bc3 d5 A) 10.h3 Be6 (10...Bf3 11.Bf3 Rad8 12.0-0 dc4 13.Bc6 Bc3) 11.Bb4 Nb4 12.a3 Nc6 13.cd5 Nd5; B) 10.cd5 Nd5 11.Bb4 Qb4 12.Qc2 Rfe8 13.a3 Qa5.

9.Bc3 Rae8 10.0-0 (10.a3 Bc3 (10...Ba5 11.0-0 Bc3 12.Nc3 Ne5 13.Rb1 b6) 11.Nc3 Qe6 12.Rb1 Rb8 13.d4 Bf3) 10...h6 (10...a5 11.Bb4 (11.a3 Bc3 12.Nc3 Bf5 13.d4 Ne4) 11...ab4 12.a3= Ra8 13.d4 Rfe8; 10...d5 11.Bb4 Qb4 12.a3 Qb2 13.Nc3 dc4; 10...Ne4 11.Bb4 Nb4 12.Qb3 c5 13.d3 Nf6) 11.a3 (11.Qb3 Bc3 12.Nc3 b6 13.d4 Na5) 11...Bc3 12.Nc3 Ne5 13.Ne5 (13.Rb1 b6) 13...Qe5?? (better 13...Be2 14.Qe2 de5=) 14.Bg4+- Ne4 (14...c6 15.Rb1 Re7 16.Qf3+-) 15.Ne4 Qe4 16.d3 Qg6 17.Bf3 Re7 (17...c6 18.Rb1 Re7 19.Qa4+-) 18.Rb1 (18.Rb1 c6 19.Qa4 Qd3 20.Rfd1+-; better 18.Bb7!? Rb8 19.Rb1 c5+-) 1–0. Andre,Karl – Ritter, corr SOK–90–61, 1990.

8.a3 Ba5 9.Be2 d5 10.cd5 Nd5 11.0-0 Bg4 12.Nc3 Nc3 13.dc3 Qf6 14.Qa4 Qg6 15.Nh4 Qe4 16.Qe4 Re4 17.Nf3 Ree8 18.c4 Rad8 19.Rfd1 f6 20.c5 Ne5 21.Be5 Rd1 22.Rd1 Bf3 23.Bf3 Re5 24.Bb7 Rc5 25.g4 Kf8 26.Rd7 c6 27.Ba8 Rc2 28.Kf1 ½–½. Boehnke,Hartmut – Lorenz,Rudolf, BdF MS–002 remoteschach.de, 2003.

8.a3 Ba5 9.Be2 Bf5 10.0-0 Ne5 11.Nc3 c5 12.Qb3 Qd7.

8.a3 Bc5 9.d4 Bb6 10.Bd3 Ba5 11.Nc3 Ne4 12.Be4 Re4.

8.Nc3 Be6 9.Be2 d5 10.cd5 Nd5 11.0-0 Nc3 12.dc3 Qf6.

8.Nc3 Bf5 9.Be2 Bc3 10.Bc3 Ne4 11.Bb2 Qe7 12.0-0 Nc5.

8.Nc3 Bg4 9.Be2 Qc8 10.h3 Bf3 11.gf3 Qe6 12.Qb3 Nd4 13.Qd1 (13.ed4 Bc3 Combination) 13...Ne2 14.Qe2 d5 15.cd5 Nd5 16.Ne4 Rad8 17.Rg1 g6 18.Qc4 c5 (better is 18...a5!?+=) 19.a3+= (worse is 19.Nc5 Qc6 20.Qd4 Bd2 21.Kd2 Nb4–+) 19...f5 (better is 19...Ba5 20.Qc5 Bb6=) 20.Ng5?? (better is 20.ab4 fe4 21.Qc5+/–) 20...Bd2!–+ 21.Ke2 (21.Kd2 Nb6 Double attack) 21...Nc3 (21...Nf4! 22.Qf4 Qa6 23.Kd1 Be3 24.Qd4 Rd4 25.Bd4 Qd3 26.Ke1 Bd4 27.Ne6 Re6) 22.Qc3 0–1. Kampanis,N (2500) – Karaoulanis,Dimitrios (1875), Nikea Fysiolatriko op, 2008.

8.Nc3 Bg4 9.Be2 Qe7 10.0-0 a6 11.d4 Rad8 12.Qb3 a5 13.a3 Bc3 14.Bc3 Ne4 15.Bb2 Qf6 16.d5 Ne5 17.Ne5 Be2 18.Rfe1 de5 19.Re2 c6 20.Qd3 cd5 21.cd5 Qg6 22.f3 Nf6 23.Qg6 hg6 24.e4 Nh5 25.Rc2 Rc8 26.Rac1 Red8 27.Rc8 Rc8 28.Rc8 Kh7 29.Be5 Nf4 30.Bf4 1-0. James_Flynn (2165) - Gorgoroth6766 (2035), Rated Bullet tournament, lichess.org.

8.Be2 a5 9.0-0 d5 (9...Bf5 10.Nc3 h6 11.Nb5 Nd7 12.Nfd4 Nd4) 10.cd5 (10.a3 Be7 11.cd5 Qd5 12.Nc3 Qf5) 10...Nd5 11.d4 (11.a3 Bd6 12.Nc3 Be6) 11...a4 (11...Bf5 12.a3 Be7) 12.a3 Bd6 (12...Ba5=) 13.Qc2 Bd7 14.Bd3 h6 15.Nbd2 Na5 16.Nc4 (16.Rab1 Qe7+=) 16...Nb3 (16...Nc4 17.Bc4 Nb6 18.Bd3=) 17.Rae1 b5 Black is in command 18.Nce5 b4 19.Nd7 (19.Bc4!? Be6 20.e4+-) 19...Qd7= 20.Bc4 Nb6 21.ab4 (worse 21.Bb3 ab3 22.Qb3 ba3–/+) 21...Bb4 The passed pawn on a4 will become decisive later 22.Rb1 Na5 (22...Nc4!? 23.Qc4 c5=) 23.Ba2+= Bd6 24.Nh4 (24.d5 Nb3+=) 24...Nc6 25.Nf5 (better 25.Bc3!? Ne7 26.e4+=) 25...Nb4–/+ 26.Bf7? (better 26.Nh6 gh6 27.Qg6 Kf8 28.Qh6 Ke7 29.Qg5 f6 30.Qg7 Kd8 31.Qf6 Qe7 32.Qe7 Ke7 33.Ra1–/+) 26...Qf7–+ 27.Nd6 cd6 (27...Nc2?! 28.Nf7 Kf7 29.Rfc1–+) 28.Qd2 N4d5 29.Qd3 Rec8 30.e4 (30.Rfc1 Nf6–+) 30...Nf4 31.Qf3 Nc4 32.Bc1 Ne6 33.Qd3 a3 34.f4 (34.Ra1 Qf6 35.Rd1 a2–+) 34...a2 35.f5 (35.Ra1 Qf6 36.e5 de5 37.fe5–+) 35…Qa7 (35...Qa7 36.Ra1 Qd4 37.Qd4 Nd4–+; better 35...ab1Q 36.Qb1 Nd4 37.Qd3–+) 0–1. Janssen,Lieselotte – Scholz,Jutta, Freiberg, 1970.

8.Be2 a5 9.a3 Bc5 10.d4 Ba7 11.0-0 Bg4 12.Nbd2 (12.Nc3 Qd7+=) 12...Qe7 (12...Bf5 13.Nh4 Bd7 14.Bd3+=) 13.Qc2+= Bh5 14.Bd3 Bg6 15.Rab1 (15.Bg6 hg6 16.Rae1 Qd7+=) 15...Ne4 16.Ne4 Be4 17.Be4 Qe4 18.Qe4 Re4 19.Bc3 a4 (19...Bb6 20.Rb5+=) 20.Rb5 (better is 20.Rb7!? Bb6 21.Rb1+-) 20...Bb6+/– 21.Rfb1 h6 22.Nd2 (22.g3 g5+/–) 22...Ree8 23.c5 (23.g3 Ra7+=) 23...dc5= 24.dc5 Ba5 25.Ba5 Ra5 (25...Na5 26.Nf3=) 26.Ra5 (26.Rb7 Rc5 27.Rc7 Rc2+=) 26...Na5= 27.Kf1 (27.Rb5 Rd8 28.Ra5 Rd2=) 27...Rd8 (27...Re5!? 28.Rb4 Rc5 29.Ra4 Kh7=) 28.Ke2+= Rd5 29.Ne4 (29.Rb5 b6+=) 29...Nb3 (better is 29...f5!? 30.Nc3 Rc5=) 30.Nc3+= Rc5 31.Na4 Rb5 32.Nc3 Rb6 33.a4 (33.Ke1 Na5 34.Rb6 cb6+/–) 33...Nc5 (33...c5 34.Rd1 c4 35.Rd5=) 34.Rb6+= cb6 35.e4 Kf8 36.Ke3 Ke8 37.Kd4 Kd7 38.g3 Kd6 39.f4 g6 40.Kc4 (40.g4 Ne6 41.Ke3 Kc5+=) 40...Kc6= 41.e5 Na4 42.Ne2 (42.Nd5 b5 43.Kd4 h5=) 42...b5 (42...Nb2 43.Kb4+=) 43.Kb4= Kb6 44.Nd4 Nc5 45.Nb5 Ne4 (45...Nd3 46.Kc4 Nb2 47.Kb4 Nd3 48.Kc4 Nb2 49.Kb4 Nd3=) 46.Nd4 Nc5 47.Kc4 Ne6 ½–½. Veer,Willem (1940) – Naipal,Ekaterina (1805), National Championship, 2011.

8.Be2 Ba5 9.0-0= Bb6 10.d4 Ne4 11.Nc3 Nc3 12.Bc3 Ne7 13.Bd3+= Bf5 14.a4 a6 15.Qc2 Bd3+= 16.Qd3 Ng6 17.Rfb1 Rb8 18.a5 Ba7 19.Rb3 c6 20.d5 c5 21.Qf5 f6 22.Rab1 (22.e4 Qe7 23.Nd2 Qc7+/–) ½–½. Jirousek,Jim – Wallace,Gary, corr or01–011 E–mail, 2001.

8.Be2 a6 9.0-0 Bc5 10.d4= Ba7 11.Nbd2 Bg4 12.Re1 h6 13.a4 a5 14.Nb3 (14.Qb3 Bb6+=) ½–½. Schwichtenberg,Juergen – Homes,Helmut, Hessen–ch Seniors, 2003.

8.Be2 a6 9.0-0 Bd7 10.d4 Ba5 11.Nc3 Na7 12.a4 c6 13.Qb3 Rb8 14.Ba3 Bc7 15.c5 Be6 16.Qc2 dc5 17.dc5 Qe7 18.Nd4 Bd7 19.Bf3 Qe5 20.g3 h5 21.Bg2 Bd8 22.Rae1 Ba5 23.f4 Qc7 24.Nb3 Bc3 25.Qc3 b5 26.cb6+/– Qb6 27.Nc5 Bf5 28.Rf2 Be4 29.Rb2+/– Qd8 30.Rb8 Qb8 31.Na6 Qc8 32.Nc5 Bg2 33.Kg2 Ne4 34.Ne4 Re4+/– 35.Bb2 Qf8? 36.Rd1+- f6 37.Rd7 Nc8 38.Qc6 Re3 39.Qd5 Kh8 40.Qh5 Kg8 41.Qd5 Kh8 42.Rd8 (42.Rd8 Qd8 43.Qd8 Kh7 44.Bf6 gf6 45.Qc8 Re2 46.Kh3+-) 1–0. Zschalich,A – Beckmann,KH, corr DDR (M/818), 1989.

8.Be2 a6 9.0-0 Bg4 10.d4 h6 11.Nc3 Qd7 12.a3 Bc3 13.Bc3 Ne4 14.Bb2 b6 15.Qd3 Bf5 16.Qd1 Na5 17.Bd3 Nf6 18.Qc2 Bd3 19.Qd3 Qa4 20.Bc3 (better 20.Rac1!?=) 20...Qc4-/+ 21.Qc4 Nc4 22.Nd2 Nd2 23.Bd2 Ne4 24.Bb4 a5 25.Be1 d5 26.f3 Nd6 27.Bf2 Nc4 28.Rfe1 a4 29.e4 c6 30.e5 b5 31.g4 Re5?? (better 31...Reb8 32.Reb1 Nd2-+) 32.Kh1?? (better 32.de5 Re8 33.Kg2+-) 32...f5 (better 32...Re1 33.Be1 Re8-+) 33.Re5 (33.Re5 Ne5 34.de5 fg4 35.fg4+/-) 1-0. s583 (2040) - Evarist (2120), Rated Blitz game, lichess.org, 2016.

8.Be2 Bc5 9.0-0= Bg4 10.d4 Bb6 11.a4 a6 12.a5 Ba7 (12...Ba5? 13.d5+-) 13.Nbd2 d5 14.c5 (14.Qb3 Ne4 15.Rfd1 dc4 16.Nc4 Rb8+=) 14...Qd7 15.h3 Bf3 (15...Bf5 16.Qb3=) 16.Nf3+= Qf5 17.Bd3 Ne4 18.Nh4 (18.Bc3 Qf6 19.Qc2 Rab8+=) 18...Qg5 (18...Qf6 19.Be4 de4 20.Qg4 Bc5 21.Rab1=) 19.Be4= Re4 20.Nf3 Qf5 21.Qc2 Qf6? (21...Qh5 22.Bc3+=) 22.Rac1?? (better 22.Qb3!?+/-) 22...Re6 (22...Na5 23.Nd2 Ree8=) 23.Nh2 (23.Qb3 Qd8 24.Ra1 Rb8=) 23...Qh6 (23...Na5 24.Ng4 Qg6 25.Qg6 Rg6 26.Ne5-/+) 24.Nf3 (24.Qf5 Ne7 25.Qg4 Re4=) 24...Rg6 (24...Na5!? 25.Qf5 Rd8=+) 25.Ne5 (better 25.Qf5+=) 25...Qh3?? (better 25...Ne5 26.de5 Qg5=) 26.g3 (better 26.Ng6 Qd7 27.Ne5+-) 26...Ne5-+ 27.de5 c6 28.Qe2 (28.e6 fe6 29.Bg7 Kg7 30.Qb2 Kg8 31.Rc2-+) 28...Bb8 (better 28...Rh6 29.f3 Qh1 30.Kf2 Rh2 31.Ke1 Re2 32.Ke2 Qg2 33.Rf2 Qg3-+) 29.Qf3 Rf6?? (better 29...f6-+) 30.ef6+- Bg3 (30...Bc7+-) 31.Qg3 Qh6 (31...Qg3 32.fg3 g6 33.Bd4+-) 32.fg7 (32.Qg7 Qg7 33.fg7 Re8+-) 32...Qe6 (32...f6 33.e4! Rd8 34.ed5 Rd5 35.Qb8 Kg7 36.Qb7 Kf8 37.Qc8 Kf7 38.Rc3 Rg5 39.Rg3 Rg3 40.fg3 Qe3 41.Kg2 Qd2 42.Rf2 Qd5 43.Kh2 Qh5 44.Kg1+-) 33.Qh2 (33.Rb1 Re8+-) 33...Re8 (33...Qg4 34.Kh1+-) 34.Qg2 (better 34.Rb1+-) 34...Qf6 (34...Qh6+-) 35.Rce1 (35.Bf6 Re6 36.Qf3 b6 37.cb6 c5 38.Qf4 Rf6 39.Qf6 h5 40.b7 Kh7 41.b8Q d4 42.g8Q) 35...Qf5 (35...Qb2 36.Rb1 Qe5+-) 36.Bf6! (36.Bf6 Qf6 37.Rb1+-) 1-0. cucosant2 – Livaro, Rated Bullet game, lichess.org, 2020.

8.Be2 d5 9.Qb3=+ (9.cd5 Qd5 10.Nc3 Qf5 11.0-0 Be6 12.d4 Rad8) 9...Qd6 10.cd5 Nd5 11.Nc3 Be6 12.Nb5 Qc5.

8.Be2 Ne4 9.0-0 Bg4 10.Nc3 Qf6 11.Rb1 Bc3 12.Bc3 Nc3.

8.Be2 Qe7 9.0-0 Bc5 10.d4= Bb6 11.Nbd2 Ng4 12.Re1 Nf2 13.Kf2 Qe3 14.Kf1 Nd4 15.Nd4 Bd4 16.Bd4 Qd4 17.Nf3 Qd1 18.Red1 b6 19.Bd3 Bg4 20.Kf2 Bf3 21.Kf3 Re5 22.Re1 Rae8 23.Re5 Re5 24.Rd1 Kf8 25.g4 h6 26.h4 Ke7 27.Rd2 Kd7 28.Re2 Re2 29.Be2 Kc6 30.Ke4 Kc5 31.Kd3 d5 32.cd5 Kd5 33.Bf3 Kc5 34.Bd1 b5 35.Bb3 f6 36.Ke4 Kd6 37.Kf5 c5? 38.Kg6+/– Ke5 39.Kg7+- Kf4? 40.Bd1 f5 41.gf5 Kf5 42.Kh6 Kf6 43.h5 c4 44.Kh7 Kf7 45.h6 a5 46.Bh5 Kf8 47.Kg6 Kg8 48.Bd1 b4 49.Bc2 Kh8 50.Kf6 Kg8 51.Ke5 b3 52.ab3 cb3= 53.Bb3 ½–½. Koerner – Reichel, tt, 1974.

8.Be2 h6 9.0-0 Bf5 10.a3 Ba5 11.d4 a6 12.Nc3 Rb8 13.Bd3 Bc3 14.Bc3 Bd3 15.Qd3 d5 16.Rab1 dc4 17.Qc4 Qd5 18.Qd5 Nd5 19.Rfc1 f6 (worse is 19...Nc3 20.Rc3 Rec8 21.e4+=) 20.Bd2 Nb6 21.Ne1 Red8 22.h3 Rd7 23.Rb3 Rbd8 24.Bc3 Re8 25.Nd3 Nd8 26.Nc5 Rf7 (26...Rd6 27.a4+/–) 27.a4 (27.Ba5 Nd5 28.Nb7 Nb7 29.Rb7 f5+-) 27...f5+/– 28.a5 Nd5 29.Nb7 Nb7 30.Rb7 f4 31.Bd2 fe3 32.Be3 Ne3 33.fe3 Re3 34.Rcc7 Re1 35.Kh2 Rc7 36.Rc7 Ra1 37.Rc5 Kf7 38.Kg3 Ra4 39.d5 Ke7 40.Rc7 Kd6 41.Rc6 Kd5 42.Ra6 Ke5 43.Ra7 Kf6 44.a6 h5 45.Ra8 Kg6 46.Kf3 h4 47.Ke3 Kg5 48.Kd3 Kf4+/– 49.Kc3 Kg3 50.Kb3 Ra1 51.Kb4 Kg2= 52.Kb5 Kh3 53.Rg8 Kg2 54.Rg7 Kf2 55.Rh7 Kg3 56.a7 h3 57.Kb6 h2 58.Rg7 Kf2 59.Rf7 Kg2 60.Rg7 ½–½. Morriss,P (2005) – Fox,An (2115), Dublin IRL, Easter Masters, 2012.

9.0-0 b6 10.d4 Nf3 11.Bf3 Rb8 12.Bc6 Bd7 13.Bf3 (13.Bd7 Qd7 14.a3 Ba5=) 13...c5 (13...b5 14.c5=) 14.a3 Ba5 15.Bc3 (15.Nd2 Bd2 16.Qd2 Ne4 17.Be4 Re4=) 15...Bc3 16.Nc3 Qc7 17.Qd3 Bg4 18.Bg4 Ng4 19.Nd5 Qd7 (19...Qd8!?=) 20.h3 Nh6 21.Rfe1 (21.dc5 bc5 22.Rfb1 a6+/-) 21...Qf5 22.e4 Qh5 (22...Qg6 23.Re3 f5 24.e5 de5 25.de5+=) 23.e5 (23.Qg3 Qg6 24.Qg6 hg6+/-) 23...cd4 (better 23...de5 24.Qg3 Kf8 25.de5 Rbd8=) 24.Qd4?? (24.ed6 Kh8 25.Qd4+-) 24...de5-/+ 25.Re5?? (better 25.Qb2-/+) 25...Qe5-+ 26.Qe5 Re5 27.Rd1 Rbe8 28.Kh2 Re1 29.Rd2. fishissushi (1865) - TPHER (1860), Rated Bullet game, lichess.org, 2020.

9.0-0 c6 10.a3 Ba5 11.d4 Nf3 12.Bf3 d5 13.c5 Ne4 14.Be4 Re4 15.Nc3 Rh4 16.Ne2 Rh6 17.g3? (better is 17.h3+=) 17...Bh3–+ 18.Nf4 Bf1 19.Qf1 Bc7 20.Ng2 Qg5 21.f4 Qg4 22.Ne1 Re8 23.Qf2 Rh3 24.Nf3 Rh6 25.Bc3?? (25.Ne1 Rhe6 26.Ng2–+) 25...Rf6 26.Kg2 h5 27.h4 Qf5 28.Qd2 Qe4 29.Re1 Rf5 30.Kf2 f6 31.a4 g5! 32.hg5 fg5 33.Ng5 Rg5! 34.fg5 Rf8 35.Kg1 Rf3 36.Re2 Rg3 37.Rg2 Re3 38.g6 Bf4 39.a5 Rf3 40.Qe1 Be3 41.Kh2 Qf4 42.Rg3 Rf2 43.Kh3 Qf5 44.Kh4 Rf4 45.Rg4 Qg4 0–1. Zellmer,Gustav – Blandzi,Damian (2135), Guben op, 2003.

9.0-0 c6 10.d4 Ng6 11.Qb3 Ba5 12.Nc3 Bc7 13.Ba3 Bg4 (13...Rb8 14.Rad1=) 14.h3 (14.Qb7!? Ne7 15.c5+/-) 14...Bf3= 15.Bf3 (15.gf3 Qd7 16.Rfb1 Qh3-+) 15...Qd7? (better 15...Ba5=) 16.Ne4?? (better 16.Qb7 d5 17.Rfb1+/-) 16...Ne4-+ (16...Re4?! 17.Be4 Ne4 18.Qb7=+) 17.Be4 b6?? (better 17...Re4 18.Qb7 Ree8-+) 18.Bf3 Rac8 19.Rab1 c5 (19...Nh4 20.Bg4 f5 21.Bh5+=) 20.dc5 (20.Rfd1!?+/-) 20...dc5= 21.Rfd1 Qc6?? (better 21...Qe7=) 22.Bc6+- (22.Bc6 Re7 23.Bb2+-) 1-0. fishissushi (1920) - Bassinga (1895), Rated Bullet game, lichess.org, 2020.

9.0-0 c6 10.d4 Ng6 11.Nbd2 d5 12.a3 Bd6 13.c5 Bc7 14.Re1 Rb8 15.Qc2 Ne4 16.Bd3 f5 17.g3 Re6 18.Kg2 Bd7 19.a4 Ba5 20.Reb1 Be8 21.h4 Nf8 22.Nf1 Bh5 23.Ne5 g6 24.f3 Nf6 25.Nh2 N6d7 (25...N8d7 26.Nd7 Qd7 27.Nf1=) 26.f4 (better is 26.g4!? Ne5 27.de5 fg4 28.fg4 Qh4 29.gh5 Qh5 30.e4+=) 26...Nf6 27.Bc3 Bc7 28.a5 a6 29.Rb3 Qc8 30.Rab1 N8d7 (30...Re7 31.Qb2+=) 31.Bd2 (31.Qb2 Ne4 32.Be4 Ne5 33.fe5 de4 34.Rb7 Re8+-) 31...Be5 (31...Re7 32.Qb2 Qe8 33.Bc3=) 32.de5 (32.fe5!? Ne4 33.Be4 de4 34.Qb2+/–) 32...Re7?? (better is 32...Ne4 33.Be4 de4= (33...fe4? 34.g4+-)) 33.Nf3 ½–½. Wuenschmann,Bernd – Schwier,M (2100), Dresden GER, 2013.

9.0-0 c6 10.Nd4 d5 11.cd5 Nd5 12.f4 Ng6 13.Qc2 a6 14.Rf2 Be7 15.Nf3 Nh4 16.Bd3 Nf3 17.Rf3 h5 18.a3 Bg4 19.Rf2 Bh4 20.Rf1 Bf6 21.Nc3 b5 22.h3 Bc8 23.Rac1 c5 24.Be2 Nb6 25.a4 b4 26.Nd1 Bb2 27.Nb2 a5 28.Bh5 Ba6 29.Qf5 Ra7 30.Rf2 g6 31.Qc5 gh5 32.Qh5 Qf6 33.Rf3?? Kf8 34.Rg3? Nc8?? 35.Nd1 Nd6 36.Nf2 Rc8 37.Rc8 Bc8 38.e4 Qf4 39.Rf3 Qd2 40.Qh8 Ke7 41.Qf6 (41.Qf6 Ke8 42.Rd3 Qc1 43.Rd1=) 1–0. Degterev,Pavel (2275) – Cabrera Pino,Alexis Gianko (2185), WC–2008–F–00004, 2008.

9.0-0 Bd7 10.d4 Nf3 11.Bf3 c6 12.Nc3 b5 (12...Bf5!?=) 13.cb5+/- cb5 (13...Rc8 14.bc6 Bc6 15.Bc6 Rc6 16.Qa4 Rc3 17.Qb4+/-) 1-0. retiponziani (1910) - OtisT (1755), ChessWorld.net, 2016.

9.0-0 Be6 10.d4 Nc4 (better 10...Nf3!? 11.Bf3 Bc4 12.Bb7 Rb8-/+) 11.Qb3= a5?? (better 11...Ne3 12.Qe3 Bc4 13.Qe8 Qe8 14.Bc4 d5=) 12.Bc4+- Bc4 13.Qc4 b5 (better 13...d5 14.Qb3 b6+-) 14.Qb5 Rb8 (14...d5 15.Nc3+-) 15.Qd3 (better 15.Qa4+-) 15...Nd5 (15...d5 16.Nc3+-) 16.Ba3 (better 16.a3 Be1 17.Bc1 Bf2 18.Rf2 Nf6+-) 16...c5 17.Bb4 (17.Bb2 a4+-) 17...cb4 (17...Nb4 18.Qc3+-) 18.Nbd2 Nc3 19.Nb3 a4 20.Na5?? (better 20.Nbd2+-) 20...Qa5=+ 21.Ng5?? (better 21.Rfc1=+) 21...Qg5-+ 22.f4 (22.Rfc1 f5-+) 22...Qd5 23.f5 (23.Rfe1 Qe4 24.Qd2 Nd5-+) 23...Qe4 (better 23...Na2 24.e4 Qb3 25.Qb3 ab3-+) 24.f6 (24.Qe4 Re4 25.Rfe1-+) 24...Qd3 25.fg7 Re3 26.Rf7 Kf7 27.Rf1 (27.g8B Rg8 28.Rf1 Rf3 29.Ra1 Nd1 30.h3 Rf1 31.Kh2 Qg3) 27…Kg7 (27...Kg7 28.g3 Re2 29.a3 Qd4 30.Kh1 Qe4 31.Rf3 Qf3 32.Kg1 Qg2) 0-1. cucosant2 (1770) - ayoubdab (1625), Casual Blitz game, lichess.org, 2020.

9.0-0 Nf3 10.Bf3 Be6 11.Qb3 a5 12.a3 Bc5 13.d4 Bb6 14.Nc3 White plans d5 (worse 14.Bb7 Rb8 15.d5 Bd7-/+ (worse 15...Rb7 16.de6 Re6 17.Bf6 Qf6 18.Nd2=)) 14...c6 15.d5 cd5 16.cd5 Bd7 17.a4 Bc5 18.Nb5 (18.Qb7?? Rb8 19.Qa6 Rb2-+) 18...Bb4 19.Bf6 gf6 (19...Qf6? 20.Nc7+-) 20.Nd4 Rc8 21.Rac1 Qb6 22.h3 Rc5 23.Bg4 Bg4 24.hg4 Rec8 25.Rc5 Rc5 (better 25...Qc5!? 26.Kh2 Qc4 27.Qc4 Rc4+=) 26.Nf5+/- Qc7 27.Qd3 Rc1? (better 27...Rc4!?+/-) 28.Rc1+- Qc1 29.Kh2 Bc3?? (29...Qc7+-) 30.Qb5 Be5 31.f4 (better 31.g3 Qc8 32.Ne7 Kg7 33.Nc8+-) 31...Bf4 32.ef4 Qf4 33.Ng3 (better 33.Kh3 Qe5 34.Qd7+-) 33...Qg4 34.Qd3?? (better 34.Qe8 Kg7 35.Qe4+-) 34...Qa4= 35.Ne4 f5?? (35...Kf8!?=) 36.Nd6 (36.Qg3 Kf8 37.Qd6 Kg7 38.Qe5 Kf8 39.d6 Kg8 40.Nf6 Kf8 41.Qe7 Kg7 42.Ne8 Qe8 43.Qe8 b6 44.d7 Kh6 45.d8Q Kh5 46.g4 Kg4 47.Qe2 Kf4 48.Qdd2) 36...Qf4? (better 36...Qh4 37.Qh3 Qh3 38.Kh3 a4 39.Nb7 Kf8+/-) 37.Qg3+- Qg3 38.Kg3 Kf8 39.Nb7 a4 40.Nc5 (better 40.d6!? Ke8 41.d7 Kd7 42.Nc5 Kd6 43.Na4+-) 40...a3+= 41.Kf4 Ke7 42.Ke5 (42.Nb3!?+/-) 42...a2 43.Nb3 f4 44.Kf4 Kd6 45.Ke4 h5 46.g3 f6 47.Kd4 f5 48.Na1 f4 49.gf4 h4 50.Ke3 h3 51.Kf2 Kd5 52.Kg3 Ke4 53.Nc2 h2 54.Kh2 Kf4 55.Kg2 Ke4 56.Kf2 Kd3 57.Na1 Kc3 58.Ke1 Kb2 59.Kd2 Ka1 60.Kc1 ½-½. norba94 (2420) - BananaDealer (2405), Rated Blitz game, lichess.org, 2016.

9.0-0 Bf5 10.a3 Ba5 11.d4 Nf3 12.Bf3 Ne4 13.Be2 Qg5 14.Kh1 Re6 15.Bf3 Rh6 16.g3 Re8?? 17.Qa4+- Ng3?? 18.fg3 Re3 19.Rg1 Qh5!? 20.Qe8 Re8–+ 21.Bh5 Be4 22.Rg2 Rh5 23.Nc3 Bc3 24.Bc3 Bg2 25.Kg2 Re2 26.Kf3 Rhh2 27.c5 Rhf2 28.Kg4 f5 29.Kh4 h6 30.g4 Rf3 31.gf5 Re4 32.Kh5 Rh3 33.Kg6 Rg4# 0–1. Bigalke,A – Boening,C, 13.DJOFM, 1990.

9.0-0 Bf5 10.d4 Nc6 11.Nc3 (11.d5 Ne5=) 11...Ne4 12.Ne4 Be4 (worse 12...Re4 13.a3 Ba5 14.Bd3+/-) 13.Qb3 Ba5 14.d5 (14.Qb7?? Nd4 15.Qa6 Ne2 16.Kh1 c5-+) 14...Ne5 15.Ne5 de5 16.Bd3 (worse 16.Qb7 Rb8 17.Qa7 Rb2 18.Qa5 Re2-+) 16...Bd3 17.Qd3 Bb4 18.Qb3 Bd6 19.Qd1 (19.e4 Qh4=) 19...Qh4= 20.Rc1 b6 21.g3 Qe4 22.Qc2 f5 (22...Qf3 23.Qd1 Qf5 24.Qc2=) 23.Qe2 f4 (23...Bc5 24.Rfe1 Qg4 25.e4=) 24.gf4 (24.Qg4!? g6 25.Rfe1=) 24...ef4=+ 25.Qg4 Qg6 (better 25...g6 26.Rfe1 fe3 27.Qe4 Re4 28.fe3 Rae8=+) 26.Qg6+/- hg6 27.Rfe1 Re4 28.ef4 Rf4 29.Re3 (29.Be5 Be5 30.Re5 Raf8+/-) 29...Raf8 (better 29...Rg4!? 30.Kf1 Bf4=+) 30.Rc2+= Rh4 (30...g5 31.Ba3+=) 31.h3 (31.Be5!?+/-) 31...Rff4= 32.Rg3 Kh7 33.Rgc3 Bc5 (33...Be5 34.Ra3 Bb2 35.Rb2 Rc4 36.Ra7 Rh3 37.Kg2=) 34.Kg2 (34.Ba3 Bd4 35.Rd3 g5+=) 34...Rh5 (34...Bb4 35.Bc1 Re4 36.Bg5=) 35.Rg3 (35.Bc1 Rfh4+=) 35...Rhf5 (35...Rhh4!?=) 36.f3+= Rh4 37.Rg4 Rf4 (37...Rfh5 38.Rh4 Rh4 39.Bc1+/-) 38.Rh4 (38.Be5 Rhg4 39.hg4 Rf7+/-) 38...Rh4 39.Be5 Rh5? (better 39...Bd6 40.Bg3 Rd4+=) 40.Bc7+- Rg5 41.Kf1 (41.Kh2 Rf5 42.Kg3 Be3+-) 41...Rf5 42.Kg2 Kg8?? (42...Rg5 43.Kh2 Rf5+-) 43.Re2+- Kf7? (43...Rg5 44.Kh2 Rg1+-) 44.d6 Bd6 45.Bd6 Kf6 46.Bg3 (46.f4!? Ra5+-) 46...Ra5 47.Rc2 Rc5 48.Bd6 (48.Bf2 Rg5 49.Kh2 Ke6+-) 48...Rc6 49.Bb8 a6 50.Kf2 Kf5 51.Ke3 Rc8 52.Bg3 (52.Ba7 Rc6+-) 52...Rh8 (52...g5 53.Bf2+-) 53.Rh2 (53.c5 Re8 54.Kf2 bc5 55.Rc5 Kf6 56.Bh4 Kf7 57.Rc7 Kg8+-) 53...Re8 54.Kd3 Rd8 55.Kc3 Rc8 56.Kd4 (better 56.Kb4+-) 56...Rd8= 57.Kc3 Rc8 58.Kb4 Rc6 (58...g5 59.Rd2+-) 59.Rg2 (59.Rd2 Rf6+-) 59...g5 60.Bf2 (60.Rd2 Rh6 61.Rd5 Kg6 62.Rd6 Kh5 63.Rh6 gh6+-) 60...g6 (60...Kf4 61.Bd4+-) 61.Be3 Kf6 (61...Re6 62.Bd2+-) 62.Rg5 Kf7 (62...Re6 63.Bf4+-) 63.Rg4 a5 (63...Ke8 64.Re4 Kd7 65.a3+-) 64.Kb3 (64.Kb5 Re6 65.Rf4 Ke7 66.Bb6 a4+-) 64...Re6 65.Re4 Rc6 66.Rf4 Ke6 (66...Kg8+-) 67.Re4 (67.Ka4 g5 68.Rg4 Kd7+-) 67...Kd7?? (67...Kf7 68.Ka4 Rd6+-) 68.Rd4 (better 68.Ka4!? Rf6 69.f4 Kc6+-) 68...Kc8 69.Re4 Kb7?? (69...Kd7 70.Ka4+-) 70.Rd4 (70.Re7 Kc8+-) 70...Ka6?? (70...Kc8 71.Rd5 Re6+-) 71.Rd5 b5 (71...Re6 72.Bd4 Rc6 73.f4+-) 72.Rb5 (better 72.cb5 Kb7 73.bc6 Kc6 74.Ra5+-) 72...Rd6 (72...Re6 73.Bc5+-) 73.Rd5 g5 (73...Re6 74.Bd4 Kb7+-) 74.Rd6 Kb7 75.Rg6 a4 76.Ka4 g4 77.Rg4 Kc6 78.Rd4 Kc7 79.Kb3 (79.Kb5 Kb7 80.Rd7 Kb8 81.Kc6 Kc8 82.a4 Kb8 83.Rd8) 79...Kb7 80.Kc3 Kc6 81.Kd3 Kb7 82.f4 Kc6 83.f5 Kc7 (83...Kb7 84.f6 Kb8 85.f7 Kc8 86.f8Q Kc7 87.Qe7 Kb6 88.Rd8 Kc6 89.Qd7) 84.f6 Kc6 85.f7 Kb7 (85...Kb6 86.f8Q Kc7 87.Qe7 Kb6 88.Rd8 Kc6 89.Qd7) 86.f8Q Ka6 (86...Kc7 87.Qe7 Kb6 88.Rd8 Kc6 89.Qd7) 87.Qd6 (87.Qa8 Kb6 88.Rd7) 87...Kb7 88.Rd5 Ka8 (88...Kc8 89.Qc6 Kb8 90.Rd8) 89.Rc5 (89.Qc6 Kb8 90.Rd8) 89…Kb7 ½-½. pacalmisu (2340) - Verdena08 (2375), Rated Blitz game, lichess.org, 2016.

9.0-0 Bg4 10.Ne5 Be2 11.Qe2 de5 12.Nc3 c6 13.Rab1 (13.f3 Qd7=) 13...e4 (13...Qa5 14.f3=+) 14.Ba1 Qe7 15.f3 Bc5 (better 15...ef3 16.Rf3 Rad8=+) 16.fe4+/- Ne4 17.Ne4 Qe4 18.Rb7 Re7 19.Re7 Be7 20.d3 Qe6 21.Qf3 (21.e4 Rd8+/-) 21...Rd8+= 22.e4 Bc5 23.Kh1 Bd4 24.Bd4 Rd4 25.Rb1 g6 26.h3 Qd6 27.Rb7 Qe6? (better 27...f5 28.c5 Qc5+/-) 28.Ra7+- Kg7 29.Rb7 (better 29.e5+-) 29...Qd6?? (29...Rd7 30.Rd7 Qd7 31.e5+-) 30.Rb3 (better 30.Qf7 Kh6 31.h4+-) 30...c5 (30...Qe5!?+-) 31.a4 Qa6 32.Rb5 Qa4 33.Rb7?? (better 33.Rc5!? f6+-) 33...Qe8 (better 33...Rd7 34.Rd7 Qd7+/-) 34.Qf4?? (better 34.Rc7 Qf8 35.e5+-) 34...Rd3= 35.e5 Qe6 36.Rc7 Rd4 37.Qf6 Qf6 38.ef6 Kf6 39.Rc5 Ke6 40.Rc7 Rd7 41.Rc5 Kd6 42.Rc8 Rc7 43.Rh8 h5 44.Rh7 Ke6 45.Kh2 (45.g3 Rc4 46.Kg2 Ra4=+) 45...Rc4-/+ 46.Rh8 Kf6 47.Re8 h4 48.Re2 Kg5 49.Rf2 f5 50.Re2 Kh5 51.Rf2 Rc5 52.Rf3 g5 (52...Rc2 53.Kg1-/+) 53.Rf2 g4 54.hg4 fg4 55.g3 hg3 (55...h3!?-/+) 56.Kg3= Rc3 57.Kg2 Kh4 58.Rf8 (58.Rb2!?=) 58...Rc2-/+ 59.Kg1 Kg3 60.Kf1?? (better 60.Rf1-/+) 60...Rc1-+ 61.Ke2 Kg2 62.Rf4 (62.Kd2 Rf1 63.Rg8 g3-+) 62...g3 63.Rf3 (63.Rg4 Rc8 64.Re4 Rh8-+) 63...Kh2 (63...Rc2 64.Kd3 Kf3 65.Kc2 g2 66.Kc3 g1Q 67.Kc4 Kg2 68.Kb5 Qd1 69.Kb6 Kf3 70.Kc6 Qa4 71.Kb6 Qb3 72.Kc6 Qc4 73.Kd7 Qf7 74.Kc6 Ke4 75.Kd6 Qa2 76.Ke7 Qa3 77.Kf7 Kd4 78.Kf6 Qa6 79.Kf7 Qd6 80.Kg7 Qe7 81.Kg6 Ke4 82.Kh5 Kf5 83.Kh6 Qc7 84.Kh5 Qh2) 64.Rf8 g2 65.Rh8 Kg1 66.Kf3 (66.Rh5 Rc2 67.Ke3 Rf2-+) 66...Ra1 (66...Kf1 67.Rg8-+) 67.Rg8 (67.Ke2 Ra5-+) 67...Ra2 (better 67...Kf1-+) 68.Rg3 (68.Rc8-+) 68...Ra3 69.Kf4 (69.Kg4 Rg3 70.Kg3 Kf1 71.Kf4 Ke1 72.Ke4 g1Q 73.Kd3 Qg5 74.Kc4 Qe5 75.Kb3 Qd5 76.Kc2 Qf5 77.Kc3 Qa5 78.Kc4 Kd2 79.Kd4 Qa7 80.Ke5 Qe7 81.Kd4 Qd7 82.Ke4 Qb7 83.Ke5 Qc7 84.Kf5 Ke3 85.Kf6 Qh2 86.Ke6 Qh3 87.Ke7 Qh1 88.Kf7 Qh5 89.Ke6 Qg6 90.Ke5 Qc6 91.Kf5 Qb5 92.Ke6 Qe8 93.Kd5 Qd7 94.Ke5 Qh7 95.Kd5 Qf5 96.Kc6 Qa5 97.Kd6 Qd8 98.Kc6 Kd4 99.Kb5 Qf6 100.Kb4 Qb6 101.Ka4 Kc4 102.Ka3 Qb3) 69...Rg3 70.Kg3 Kf1 71.Kf3 g1Q 72.Ke4 Qg3 73.Kd5 Ke2 74.Ke6 Kd3 75.Kd5 Qh4 76.Ke5 Qh5 77.Kf4 (77.Kd6 Qg6 78.Ke5 Kc4 79.Kf4 Qf6 80.Kg3 Qg5 81.Kf2 Kc3 82.Kf1 Qg4 83.Kf2 Kd3 84.Kf1 Ke3 85.Ke1 Qe2) 77...Kd4 78.Kg3 Qg5 (78...Ke3 79.Kg2 Qh4 80.Kg1 Kf3 81.Kf1 Qf2) 79.Kf3 (79.Kf2 Qg4 80.Ke1 Qg2 81.Kd1 Kd3 82.Ke1 Qe2) 79...Kd3 80.Kf2 Qg4 81.Kf1 Ke3 82.Ke1 Qg1 (82...Qe2) 0-1. pacalmisu (2355) - Verdena08 (2420), Rated Blitz game, lichess.org, 2016.

9.a4 a5 10.Ne5 de5 (worse 10...Re5 11.Be5 de5 12.Qc2+/-) 11.0-0 Bf5 12.d3 Qd7 13.Ba3 Ba3 14.Na3 Rad8 15.Nb5 (better 15.Qb3!? b6 16.Rad1=+) 15...c6-/+ (15...Bd3?! 16.Bd3 Qd3 17.Nc7 Qc4 18.Ne8 Rd1 19.Nf6 gf6 20.Rfd1=+) 16.Nc3 Bd3 17.Bd3 Qd3 18.Qd3 Rd3 19.Ne2 (19.Rfc1 Red8-+) 19...Ne4 20.Rfd1 (20.Ng3 Nd2 21.Rfc1 Red8-+) 20...Red8 (20...Nd2!? 21.Rac1-+) 21.Rd3 Rd3 22.Kf1 Rd2 (22...Nd2 23.Ke1 Nc4 24.Rc1-+) 23.Ke1 Rc2 24.Rc1 Ra2 25.Nc3 Nc3 26.Rc3 Ra4 27.c5 f6 28.Rb3 Rb4 29.Ra3 (29.Rb4 ab4 30.Kd2 e4-+) 29...Rb5 30.Rc3 Kf7 31.Ke2 f5 32.f3 g5 33.g3 h5 34.h3 Ke6 35.Rd3 (35.Kd3 Rb2 36.g4 h4-+) 35...a4 (35...Rc5 36.Rd8 Rc2 37.Kd3-+) 36.Rd6 (36.Ra3 Rc5 37.Ra4 Rc2 38.Kf1 b5-+) 36...Ke7 37.Rh6 Rc5 (better 37...a3!? 38.Rh8 Ra5 39.Rh7 Kf6 40.Rh6 Kf7 41.Rh7 Kg6 42.Rd7-+) 38.Rh5 a3 39.Rg5 (39.Rh7 Kd6 40.Rb7 Rc2 41.Kd3-+) 39...a2 40.Rf5 a1Q 41.f4 (41.Rf7 Kf7 42.f4 e4 43.Kd2 Qb2 44.Kd1 Rc1) 41...Qb2 (41...Rc2 42.Kd3 Qd1 43.Ke4 Qd5) 42.Kf3 ef4 (42...e4 43.Kg4 Qe2 44.Kg5 Rf5 45.Kg6 Qh5 46.Kg7 Qf7 47.Kh6 Rh5) 43.Kg4 (43.Rf4 Re5 44.Re4-+) 43...fe3 44.Rc5 e2 45.Re5 (45.Rf5 e1Q 46.Kh4 Qh8 47.Kg4 Qe4 48.Kg5 Qg7 49.Kh5 Qf5 50.Kh4 Qgf6) 45...Qe5 46.h4 e1Q 47.Kh3 (47.h5 Q1g3) 47...Qf1 (47...Q1g3) 48.Kg4 Qef5 (48...Qff5) 0-1. ThePurplePawn (2020) - bjagus (1740), lichess.org, 2019.

9.Qb3 Ba5 10.Nc3 c6 11.d4 Nf3 12.Bf3 Ne4 13.Rd1 Nc3 14.Bc3= Bc3 15.Qc3 d5 16.cd5 cd5 17.0-0 Be6 18.Qb3 Qd7 ½–½. Beaton,Ken – Henderson,John B, Scottish Ch, 1999.

9.0-0 d5=+ 10.cd5 Nd5 11.a3 Bd6 12.Nc3 a6 13.Nd5 Bd5=+ 14.Rc1 Qe7 15.a4 Ne5 16.Ne5= Be5 17.Be5 Qe5 18.d4 Qe7 19.Qc2 Qg5 20.g3 Bc6 21.Qc5 Qg6 22.Qc2 Qg5 23.f4? Qe7–/+ 24.Qd3 Qe3 (25.Qe3 Re3–/+) 0–1. Wartig,Wolfgang – Gattuso, corr 3GMM–42, 1996.

9.0-0 Ne5 10.Qb3 Ba5 11.Be5 de5 12.Qb7 Bg4 13.d3 Bb6 14.Nbd2 Rb8= 15.Qa6 Bc8 16.Qa3+= Bb7 17.Rac1 c5 18.e4 Nd7 19.Qb2 Nf8 20.Rc2 Ne6 21.Re1 Nf4 22.Nb3 Qd7 23.Ne5+= Qe6 24.Nf3+/– Qg4 25.Bf1 Rbd8 26.Re3 Bc7? 27.Nc5+- Bc6 28.Na6 Ng2?? 29.Bg2 Bf4 30.Rce2 Be3 31.Re3 Re6 32.h3 Qh5 33.Nc7 Re7 34.Nd5 Rb7 35.Qc3 Re8 36.d4 Bd7 37.Kh2 Reb8 38.Ne5 Be8 39.Qa3 Qh4 40.Rg3 Rb2 41.Ne7 Kh8 1–0. Waibel,Ulrich – Beahan,William, compuserve, 1996.

9.0-0 Qe7!? =+.

9.a3 Ba5 =.

9.Nc3 d5 10.cd5 Nd5 11.Ng5?? (better is 11.0-0+=) 11...Nc3 (11...Qg5 12.0-0–+) 12.Bc3?? (better is 12.dc3 Qg5 13.cb4–+) 12...Bc3 (better is 12...Qg5 13.Bf3 Rad8–+) 13.Ne6–/+ Bd2! (13...fe6?! 14.dc3 Qf6 15.Qb3=) 14.Qd2 Qd2 15.Kd2 Re6 16.Rhd1 Rd6 17.Ke1 Rad8 18.Rd6 Rd6 19.Rd1 Rd1 20.Kd1 Kf8 21.a4 Ke7 22.Bf3 Na5 23.Bd5 c6 24.Ba2 a6 25.Kc2 b5 26.ab5 ab5 27.Kc3 f6 28.h4 Kd6 29.f4 c5 30.e4 b4 31.Kb2? c4 32.g4 Kc5 33.g5 Kd4 34.e5 fg5 35.hg5 h5 36.Bb1? h4 37.Bf5 Nc6 38.Bd7 Nd8 39.e6 Ne6 40.Be6 g6 41.Bh3 Kd5?? 42.f5 gf5 43.Bf5 Ke5 44.Bg4 Kd6 45.g6 Ke7 46.g7 Kf7 ½–½. Rush,Bradley – Linart,Ludvik, OP–2011–0-01858, 2011.

9.0-0 Ba5 10.a3 Ne5 11.d4 Nf3 12.Bf3 c6 13.Nc3 d5 14.Qb3 Bd3 15.Be2 (better is 15.Nd5 Bf1 16.Nf6 Qf6 17.Rf1=) 15...dc4–/+ 16.Qd1 Be2 17.Ne2 Nd5 18.Rc1 (18.Qc2 b5–/+) 18...b5 (18...Re3 19.Rc4 Re6 20.Ng3–+) 19.Nc3 (19.Ng3 Qg5–/+) 19...Bc7 20.Nd5 cd5 21.Bc3 (21.Qf3 a5–+) 21...Qd6 (21...Qd6 22.Qh5 g6–+) 0–1. onny555 (1900) – polybios (1955), gameknot.com, 2012.

9.0-0 Ba5 10.Nc3 Ne5 11.d3 Bb6 12.d4 Nf3 13.Bf3 c6 14.Qb3.

9.0-0 Ba5 10.d4 Ne7 (10...Ne4 11.Qb3= (11.d5 Ne7 12.Qd4 f6 13.Nc3 Bc3 14.Bc3) 11...Bb6 12.Qd1 h6 13.Nc3 Nb4 14.Ne4) 11.Nbd2 (11.Nc3 Nc6 12.Nd5 Be4 13.Nf4 Qd7 14.Qb3) 11...Ng6 (11...c6 12.Nb3= Bb6 13.c5 dc5 14.Nc5) 12.Nb3 c6 13.d5 Bc7 (13...Bb6 14.Nfd4+= 0.26/9 (14.Nbd4 Be4 15.dc6 bc6 16.Nd2+=); 13...Ne4 14.Na5) 14.Nbd4+= Bd7 15.Rc1 (15.Qb3 Rb8+=) 15...c5 (15...Bb6 16.Qb3=) 16.Nb5 Bb5 (16...Ne4 17.Qc2=) 17.cb5+= Qe7 (17...Ne5 18.Qc2+=) 18.Rc4 (18.a3 Ne5+-) 18...Nd7 (18...Ne5 19.Ne5 de5 20.e4+=) 19.Nd4 (19.Bd3 Nge5 20.Ne5 Ne5 21.Be5 Qe5+-) 19...Nde5+= 20.Nf5 Qd7 (20...Qg5 21.Ng7 Nc4 22.Bc4+-) 21.Ng7 Kg7 22.f4 f6 (22...Qb5 23.Qb1 Qb6 24.fe5 de5 25.Qc2+=) 23.fe5+- de5 (23...fe5 24.Rc1+-) 24.Rg4 (24.Rc5 Rad8 25.Bg4 Qd6+-) 24...Rad8 (24...Rf8 25.Ra4+-) 25.e4 Rf8 26.h4 (26.Rf5!?+-; 26.Rf5!?+-) 26...Kh8 (26...f5 27.Rg3 Kh8 28.Qc1+=) 27.h5 (27.Qc2 Nf4+=) 27...Nf4 (27...f5 28.Rg3 Ne7 29.Ra3+=) 28.h6+- Ng6 (28...Qd6 29.Bc4+-) 29.Rg3 (29.Qc2 Qd6+-) 29...Qd6 (29...f5 30.ef5 Rf5 31.Bc4+=) 30.Bc1 (30.Bc4 Rg8+-) 30...Nf4 (30...f5 31.Bg5 Rd7 32.Rf5 (32.ef5?! Ne7+=) 32...Rf5 33.ef5+-) 31.Rgf3 (31.Bc4 Rg8 32.Rff3 Bb8+-) 31...Qd7 (31...c4 32.Bf4 ef4 33.Qc2+= (worse 33.Rf4 Qc5 34.R4f2 Bg3=+)) 32.Ra3 (32.Qc2 Rg8 33.Bf4 ef4+=) 32...Bb8 33.Rff3 (33.Bc4 Rg8 34.Bf4 ef4+=; 33.Bc4 Rg8 34.Bf4 ef4+=) 33...b6 (33...f5 34.Bd3 Nd5 35.ed5 Qd5+-) 34.Qe1 (34.Bc4 Qg4 35.Qf1 Qg6+=) 34...Rg8 Attacking the backward pawn on g2. Attacking the backward pawn on g2 35.Rg3 Rg3 (35...Bd6 36.Bc4+-) 36.Rg3+- Ne2 (36...Qe8 37.Rg7+-) 37.Qe2 Rg8 (37...Rf8 38.Rg7 Rf7 39.Rf7 Qf7 40.Qg4+-) 38.Rg8+- Kg8 39.Qf3 Qf7?? (better 39...Kf7+-; better 39...Kf7+-) 40.Qg4 Kh8 41.Qc8 Qg8 42.Qf5 Qf7 43.Bg5! (43.Bg5 Kg8 44.Bf6+-; 43.Bg5 Kg8 44.Bf6+-) 1–0. Nicklich,Wolfgang – Braun, JBDDR'1616, corr year?, 1980.

9.0-0 a6 10.Nc3 (10.a3 Ba5 11.Nc3 Bc3 12.Bc3 Ne4 13.Bb2 Nc5 14.d4) 10...Bc3 11.Bc3 Ne4 12.Bb2 Nc5 13.d3 b5 14.Qc2.

9.0-0 Rb8 10.Nc3 (10.a3 Ba5 11.Nc3 Bc3 12.Bc3 Ne4 13.Bb2 Qe7 14.d3) 10...Bc3 11.Bc3 Ne4 12.Bb2 Nc5 13.Nd4 Nd4 14.Bd4.

9.0-0 Bc5 10.Nc3 (10.d4 Bb6 11.Nc3 h6 12.Qb3 a6 13.Nh4 Bh7 14.Rad1) 10...Qe7 11.d4 Bb6 12.Qb3 h6 13.h3 Na5 14.Qa3.

9.0-0 d5 10.a3 Ba5 11.d4 Re6 12.Qb3 Ne7 13.Qa4 b6 14.Nc3.

9.0-0 d5 10.a3 Bd6 =+.

9.0-0 d5 10.Qb3 a5 11.a4 Be4 12.d4 dc4 13.Bc4 Bd5 14.Nbd2.

9.0-0 d5 10.cd5 Nd5 11.a3 Bd6 12.Nc3 Nc3 13.Bc3 a6 14.Qb3 Rb8 15.Qb2 f6 16.Bc4 Kh8 17.Ng5 Bg6 18.Nf7 Bf7 19.Bf7 Rf8 20.Qb3 Ne5 21.Be6 Nd3 22.Bf5 Nc5 23.Qc2+/– g6 24.d4 gf5 25.dc5 Be5 26.Rad1+/– Qe8 27.Bb4 f4 28.c6 Rg8 29.cb7 Rg2 (30.Kg2 fe3+-). Waibel,Ulrich – Pesch,Wolfgang, compuserve, 1996.

9.0-0 Ne4 10.d3 (10.a3 Ba5 11.d3 Ng5 12.Nbd2 h6 13.h3 Ne6 14.Nb3) 10...Nc5 11.a3 Ba5 12.Nc3 Ne5 13.e4 Bg4 14.Ne5.

9.0-0 Qe7 10.a3 Ba5 11.Nc3 Rad8 12.Qa4 Bb6 13.d4 a6 14.Rfc1 Ne4 (14...Qd7 15.Rd1=) 15.Ne4 (15.Nd5 Qd7 16.Nb6 b6+=) 15...Be4 16.Nd2 (16.Qb3 Rd7=) 16...Bg6 (better 16...Nd4!? 17.Bd4 Bc6-/+) 17.Nb3 White prepares c5 17...Qg5 18.c5 (18.Bf3 Be4 19.Nd2 Bf3 20.Nf3 Qf6+=) 18...dc5 (18...Be4 19.Bf1 Ba7 20.cd6 Rd6 21.Nc5 Bc5 22.Rc5=) 19.dc5 (19.Nc5 Bc5 20.Rc5 Rd5 21.Rd5 Qd5+=) 19...Ba7 (19...Be4 20.g3 Ba7 21.Rc4=+) 20.Bf3 (20.h4 Qd5=) 20...Re6 (20...Bd3 21.Bc6 bc6 22.Bd4= (22.Qc6?? Be4 23.Qe4 Re4-+)) 21.Rd1 Rde8 (21...Bd3 22.Qg4 Qg4 23.Bg4+=) 22.Rd5+= Qe7 23.Rad1 Be4 (23...Bc2 24.Rd7 Qg5 25.h4=) 24.Rd7 Qg5 25.Be4 (25.Nd2 Bf3 26.Nf3 Qc5+/-) 25...Re4= 26.Nd4 Nd4 (26...Qc5 27.Qb3 Ne5 28.Rd5=+) 27.R7d4 (27.Bd4 Bc5 28.Qb3 Be7+=) 27...Rd4?? (better 27...Re3 28.fe3 Qe3 29.Kf1 Qe2 30.Kg1 Bc5=) 28.Qe8 (28.ed4?! c6 29.Qb4 Bb8=; 28.Bd4?! Rd8+=; 28.Rd4?! c6 29.Rg4 Qf5 30.Rg7 Kf8+=) 1-0. pacalmisu (2410) - selendic (2415), Rated Blitz game, lichess.org, 2016.

9.0-0 Qe7 10.Nc3 Qd7 11.Nd5 Nd5 12.cd5 Ne5 13.Nd4 Be4 14.Qb3.

9.0-0 Bg4 10.Nc3 (10.a3 Ba5 11.h3 Bf5 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2) 10...Bc3 11.Bc3 Ne4 12.Rb1 Nc3 13.dc3 Rb8 14.Nd4.

9.0-0 h6 10.Nc3 (10.a3 Ba5 11.Nc3 Bc3 12.Bc3 Ne4 13.Bb2 Rb8 14.d3) 10...d5 11.Qb3 Be6 12.cd5 Nd5 13.Qc2 Qe7 14.h3.

10.Qb3 Ba5 11.Be5 (11.Nd4 Bd7=) 11...de5+= 12.Qb7 (12.Nc3 Bb6+=) 12...c5 (12...Bb6 13.Nc3–/+) 13.Qb2 (better is 13.Nc3!?=) 13...Rb8–/+ 14.Qc1 Bb1 (14...e4!? 15.Nh4 Bg4–/+) 15.Rb1+= Rb1 16.Qb1 e4 17.Ng5 h6 (17...Qd2 18.Bd1 Bc7 19.g3+=) 18.Nh3= Qd2 (18...Qd6 19.d3=) 19.Nf4 Qb4 20.Qc2 Rd8 21.Rd1 Rd1 ½–½. Dorweiler,Roger Paul (1870) – Wunderlich,Matthias (1745), VMCG Open A, 2016.

10.Qb3 c5 11.Nc3=.

10.Qb3 c5 11.Rd1 Bg4 12.d4 Nf3 13.gf3 Bh3 14.Kh1.

10.Qb3 c5 11.d3 Qb6 12.Ne5 de5 13.a3 Ba5 14.Qb6 Bb6 15.e4 Bg4 16.Bg4 Ng4 17.h3 Nf6 18.Nc3 Rad8 19.Rad1 Nh5 20.g3 Nf6 21.Bc1 Ba5 22.Ne2 h6 23.f4 ef4 24.gf4 (24.Rf4? Ne4 25.Rff1 Nc3 26.Nc3 Bc3-+; 24.Nf4?! Bc3=; 24.Bf4?! Nd7 25.g4 Ne5 26.Be5 Re5=) 24...Bc7 25.Kg2 Kf8 26.Bb2 Re6 27.a4 Ra6 28.Nc3 Nh5 29.Nd5 Bb8 30.Ra1 (30.Ba3!? b6 31.Ra1=) 30...Rg6-/+ 31.Kh2 Rd5! 32.cd5 (32.cd5 Nf4 Double attack (32...Nf4 Decoy); 32.ed5 Nf4 Double attack (32...Nf4 Decoy)) 32...Bf4 33.Rf4 Nf4 34.Ba3 Nd3 35.Rd1 Nf2?? (better 35...Nb4 36.Rc1 b6 37.Bb4 cb4-/+) 36.Bc5+- (36.Bc5 Ke8 37.Bf2+-) 1-0. Engelhardt,Er (1765) - Vollmar,Timo, Lichtenberger Sommer, 2018.

10.Nc3 Nd3 (white timed out) 0–1. chessxliv (2100) – sbeaulieu (2505), net–chess.com, 2014.

10.d3 a6 11.d4 Nf3 12.Bf3 Be4 13.Nc3 Bc3= 14.Bc3 Bf3 15.Qf3 Ne4 16.Rfc1 Qd7 17.a4 a5 18.Bb2 b6 19.Qd1 f5 20.Qd3 Re7 21.f3 Nf6 22.Qb3 Qe6 23.Re1 Rae8 24.Re2 Qf7 25.Rae1 Kh8 26.Qc2 Qg6 27.Ba3 Re6 28.Kh1 h5 29.c5 dc5 30.dc5 h4 31.cb6 cb6 32.Qc4 Qh5 33.Bb2 h3 34.Qc7 Qh6 35.e4 fe4–/+ 36.g3 Qh5 37.g4 Qg6 38.Qg3=+ Qh7 39.f4 e3 40.f5= Re4 41.Re3+= Re3 42.Re3 Ne4 43.Qf3 Qh4 44.Kg1 Nd6 45.f6?? Re3=+ 46.fg7 Kh7 47.Qe3 Qg4 48.Kf1 Qg2 49.Ke1 Ne4 (49...Qh1!? 50.Ke2 Qh2 51.Kd3 Qb2 52.Qh3 Kg7 53.Qg3 Kf7 54.Qd6 Qb3 55.Kd2 Qa4 56.Qc7 Ke8 57.Qb6 Qa2 58.Kd3 Qd5 59.Kc3 Qh5=+) ½–½. Chirpii,Alexandru – Voicu,Marian Romulus (2205), Centrocoop Sept op, 1999.

10.d3 Nf3 11.Bf3 c6 12.Nc3 Ba5 13.Ne2 Qe7 14.Ng3 Bg6 15.e4 Rad8 16.Qa4 (16.Bh5 d5 17.Bg6 fg6 18.cd5 cd5=) 16...Bb6 17.Rfe1 h5 (17...d5 18.Bf6 Qf6 A) 19.ed5? Bd3 20.c5 Re1 21.Re1 Qc3-+ (21...Bc5?! 22.dc6 Qb2 23.Nh1-/+); B) 19.cd5=) 18.Qd1 h4 19.Nf1 (19.Nf5 Bf5 20.ef5 Qe1 21.Qe1 Re1 22.Re1 Nd7=) 19...Nd7 20.d4 Qg5 21.a4 Ba5 22.Re3 c5 23.d5 Nf6 e4 becomes the focus of attention (23...b6 24.Qc2=) 24.Qe2 Nh5 25.Bh5 Bh5 26.f3 f5 (26...h3 27.Ng3=) 27.ef5+= Qf5 28.Qf2 Re3 29.Ne3 Qf4 30.Rd1 Re8 31.Bc1 (31.Rd3!?=+) 31...Bc3-/+ 32.Nc2? (32.Rd3 Bd4 33.a5-+) 32...Qc4-+ 33.Be3? (33.Qf1 Qb3 34.Na3 Bd4 35.Rd4 cd4 36.Nc4-+) 33...Qa4 (better 33...Bg6 34.Rc1 Qa4 35.Bd2-+) 34.g4 (34.Rd3 Qc4 35.Rc3 Qc3 36.Bg5-+) 34...Bg6 35.Rc1 Bb2 36.Re1 (36.Ne1 Qb3 37.Rc2 Bc2 38.Nc2 Re3 39.Ne3 Bd4-+) 36...Qc2 37.Re2 (37.Qh4 Bc3 38.Rc1 Qd3-+) 37...Qd1 38.Kg2 (38.Re1 Qd3 39.Qb2 Re3 40.Re3 Qe3 41.Qf2 Qf2 42.Kf2 b5-+) 38...Bd4 (better 38...Bc3 39.Ra2 Be1 40.Qe2-+) 39.Kh3 (39.Rd2 Be3 (39...Re3?! 40.Rd1 h3 41.Kh3=) 40.Rd1 Bf2 41.Kf2 c4-+) 39...Be3 (better 39...Qd3 40.Rd2 Qe3 41.Qe3 Re3 42.Kh4 Rf3 43.Re2-+) 40.Re3 Re3 41.Qe3 Qd5 42.Kh4 a5 43.f4 a4 44.f5 (44.h3 Qe4 45.Qd2 a3-+) 44...Bf7 (better 44...Qe5 45.Qd2 Bf7-+) 45.Qg3 (45.h3-+) 45...Qe5 46.Qd3 Qh2 47.Kg5 Qh6 0-1. Teichmann,Erik (2235) - Baskin,R (2395), 19th Nancy Rapid, 2021.

10.Nd4 Bd3 11.Qb3 Be2 12.Ne2 a5 13.a3 Bc5 14.d4.

10.Ne5 de5 11.d4 ed4 12.ed4 (12.Qd4 Bd6=) 12...Bd6 13.Nd2 Qe7 (better 13...c6=+) 14.c5? (14.Re1 c6=+) 14...Bc5 (better 14...Bh2!? 15.Kh2 Qe2-+) 15.dc5=+ Rad8?? (better 15...Qe2 16.Bf6 gf6=+) 16.Rc1?? (better 16.Bf3+/-) 16...Ne4 (16...Qe2!? 17.Qe2 Re2 18.Nc4-+) 17.Bf3 0-1. fishissushi – AbdelrahmaneAr, Rated Bullet game, lichess.org, 2019.

9.0-0 a5 10.Nc3 Bc5 11.d4 Ba7 12.Qb3 Qd7 13.Rfd1 (13.Qb7? Rab8 14.Qb3 Rb3 15.ab3 Bb6-+) 13...Rab8 14.Nd5 Nd5 15.cd5 Ne7 16.Rac1 c6 17.h3 Bh5 (17...Bf5 18.dc6 bc6 19.Qa3=) 18.Qa4 (18.Ne5!? de5 19.Bh5 Qd5 20.de5 Qb3 21.ab3+=) 18...Nd5=+ 19.Ba3 (19.Qa5!? Ra8 20.Qd2=+) 19...Bb6 20.Bc4 (20.Rd2 Bc7-/+) 20...Nf6 (20...Bf3!? 21.gf3 Qh3 22.Bd5 cd5 23.Bd6 Rbd8-+) 21.Be2-/+ Bc7 (21...Ne4 22.Qc2-/+) 22.Rd2 (22.d5!? Bf3 23.Bf3=+) 22...b5 23.Qc2 b4 (23...Rb6 24.Ne5 de5 25.de5-/+) 24.Bb2 (24.Qc6 Qc6 25.Rc6 Ne4=) 24...Rb6 (24...Ne4 25.Rdd1 Qe7=+) 25.Ne1 (better 25.d5!? c5 26.Bf6 gf6 27.Qc4=) 25...Bg6 26.Bd3 Ne4 27.Be4 Be4 28.Qc4 (28.Qa4 Rb5-+) 28...Qf5 (better 28...Rb5-+) 29.f3? (better 29.d5 Re7 30.Qd4-/+) 29...Bd5-+ 30.Qc2 (30.Qe2 Ba2 31.e4 Qe6-+) 30...Qg5 (30...Qc2 31.Rdc2 (31.Rcc2?? Ba2 32.Kf2 a4-+) 31...Re3 32.Kf2-+) 31.e4 Ba2 32.d5 b3 33.Qc3 (33.Qd3 a4-+) 33...c5 34.f4 Qh6 35.Rd3 (35.Qa5 Re4 36.Qa7 A) 36...Qf4 37.Qc7 f6 38.Rf2 (38.Qb6? Qd2 39.Nf3 Qb2 40.Qb8 Kf7-+) 38...Qc1 39.Bc1 Re1 40.Kh2 Rc1 41.Re2 h5 42.Re7 Rb4 43.Rg7 Kh8 44.Rh7 Kg8 45.Qf7; B) 36...Bd8-+) 35...f6 (35...Re4 36.Re3 Re3 37.Qe3-+) 36.e5 fe5 (worse 36...de5 37.Qc5 Rb7 38.Qc6 Bb6 39.Kh1-+) 37.fe5 Re5 38.Rg3 (38.Qa5 Re2 39.Qa7-+) 38...g6?? (better 38...Rb7-+) 39.Nf3?? (better 39.Nd3 Rb8 40.Re1-/+) 39...Qe3-+ 40.Kh2 (40.Qe3 Re3 41.Kf2-+) 40...Qc3 41.Bc3 Re4 (better 41...Rd5 42.Bb2 Rf5 43.Rg4 d5 44.Kg1-+) 42.Ng5 Re2 Black intends b2 (better 42...Re7!? 43.Bb2 Re2 44.Ne6-+) 43.Rf1 b2 44.Ne6 (44.Rf7 Re5! 45.Bb2 Rg5 46.Rg7 Kf8 47.Rc7 Rg3 (47...Rb2?! 48.Rg5 Rd2 49.Rh7=+; 47...Rd5?! 48.Bg7 Kg8 49.Ra3-+) 48.Bg7 Ke8 49.Kg3 Bd5-+) 44...Rb8 (44...Re6 45.Rgf3 Rb8 46.de6-+) 45.Rgf3 (45.Bb2 Re6 46.de6 Be6 47.Re3-+) 45...Re6 46.Bb2 (46.de6 d5 47.g3-+) 46...Bd5 47.R3f2 Bc4 48.Rc1 d5 49.Kh1 Rf8 50.Rf8 Kf8 51.Ba3 Bd6 52.Rd1 Re2 53.h4 d4 54.Rd4 (54.Kg1 a4-+) 54...cd4 (54...Re1) 55.Bd6-+ Kf7 56.Bc7 d3 (better 56...a4 57.Bd6-+) 57.Ba5 d2 58.Bd2 Rd2 59.Kh2 Kf6 60.Kg3 Kf5 (60...Bd5 61.Kh2 Rg2 62.Kh1 g5 63.h5 g4 64.h6 Rd2 65.Kg1 g3 66.Kf1 Bf3 67.Kg1 Rd1) 61.h5 h6 (61...Bd5 62.hg6 Rg2 63.Kh4 Kf4 64.Kh3 hg6 65.Kh4 Rh2) 62.hg6 Kg6 (62...Bd5 63.Kh4 Rg2 64.Kh3 Kf4 65.g7 Rg1 66.g8Q Rh1) 63.Kf3-+ Rd3 64.Kf2 (64.Kf4 h5 65.Ke5 h4-+) 64...h5 65.g3 Kg5 66.Kg2 (66.Ke1 Rd8 67.Kf2 Re8 68.Kg2 Kg4 69.Kf2 Re2 70.Kg1 Kg3 71.Kf1 Re3 72.Kg1 Re1) 66...Kg4 (66...h4 67.Kf1 h3 68.Ke1 h2 69.Kf2 h1Q 70.Ke2 Qf3 71.Ke1 Rd1) 67.Kf2-+ Bd5 68.Ke2 Ra3 (68...Be4 69.Ke1 Kg3 70.Ke2 h4 71.Kf1 Bf3 72.Kg1 Rd1) 69.Kd2 Kg3 70.Kc2 h4 71.Kb2 (71.Kd1 Ra2 72.Ke1 h3 73.Kf1 h2 74.Ke1 h1Q) 71...Rb3 72.Kc2 (72.Kc1 h3 73.Kd2 h2 74.Kc1 h1Q 75.Kc2 Qb1 76.Kd2 Qd3 77.Ke1 Rb1) 72...h3 73.Kd2 h2 74.Ke2 (74.Kc1 h1Q 75.Kc2 Qb1 76.Kd2 Qd3 77.Ke1 Rb1) 74...h1Q 75.Kd2 Qf3 (75...Bf3 76.Kc2 Qd1) 76.Kc1 (76.Ke1 Qf2 77.Kd1 Rb1) 76...Qf2 77.Kd1 Qb2 (77...Rb1) 78.Ke1 Re3 79.Kd1 Qc2! 80.Kc2 Re2 (80...Re2 81.Kc3 Kf4 82.Kd4 Rd2 83.Kc5 Ke5 84.Kb5 Kd6 85.Kb4 Rd3 86.Kb5 Rb3 87.Ka6 Kc5 88.Ka7 Ra3 89.Kb8 Kd6 90.Kc8 Ra8; 80...Rb3 81.Kc1 Kf4 82.Kd2 Be4 83.Ke2 Rb2 84.Kf1 Bd3 85.Ke1 Ke3 86.Kd1 Rb1) 0-1. carlos78 (2245) - sergt777 (1990), Rated Blitz game, lichess.org, 2015.

9.0-0 a5 10.d4 d5 11.cd5 (11.c5!? a4 12.a3+=) 11...Qd5 12.Nbd2 Rad8 13.a4 Bf3 (13...Be6 14.Ba3=) 14.Nf3 h6 15.Ba3 (15.Bb5 Bd6+=) 15...Ba3 16.Ra3 Nb4 17.Qb3 Qb3 18.Rb3 b6 19.Bb5 Re7 20.Be2 Red7 21.Rc1 Ne4 22.Bb5 Rd6? (better 22...Re7=) 23.Rbc3?? (better 23.Rc7 Nd5 24.Rc1+-) 23...c5 (23...Nc3 24.Rc3 c6 25.Bc4-/+) 24.dc5?? (better 24.Rc4=) 24...bc5 25.Rc4 Nd2?? (better 25...Rd1 26.Ne1 Na2 27.Rd1 Rd1 28.Re4 Re1 29.Bf1 Nc3 30.Re8 Kh7=+) 26.Nd2+/- (26.Rc5?! Nb3 27.Nd4 Nc1 28.Rc1 Ra8=) 26...Rd2 27.Rc5 Rd1 28.Bf1 Rc1 29.Rc1 Nd3?? (29...Kf8 30.g4+/-) 30.Bd3 (better 30.Rd1+-) 30...Rd3+/- 31.g3 Ra3 32.Rc8 Kh7 33.Rc7 (33.Rc4!?+/-) 33...Ra4+= 34.Rf7 Rb4 (34...Kg6 35.Ra7+=) 35.Ra7+/- a4 36.Kg2 Kg6 37.Ra6 Kf5 38.Ra5 Kf6 39.Ra7 Kg5?? (39...Kg6 40.f4+/-) 40.Ra5 (better 40.Rg7!? Kf5 41.Ra7+-) 40...Kg6 (better 40...Kf6!?=) 41.h4 Kh7 (41...Kf6 42.h5+/-) 42.Ra6 (42.h5 g5+/-) 42...g5 43.Ra7 (43.f4 gf4 44.gf4 h5+/-) 43...Kg6 44.Ra6 Kf5. cucosant2 - lingston1, Rated Bullet game, lichess.org, 2020.

9.0-0 a6 10.a3= Ba5 11.Nc3 Rb8 12.d3 h6 13.Nd5+= Nd5 14.cd5= Ne7 15.Qa4+= Bf3 16.Bf3 Bb6 17.Qg4 Ng6+= 18.Be4 Qg5 19.Qg5+- hg5 20.Bg6 fg6 21.Rab1 Kf7 22.Rfc1+- g4 23.Rc4 g3 24.Rf4 Kg8 25.hg3 Rf8 26.Bc3 Rf4 27.gf4 Re8 28.a4 a5 29.Rb5 Ra8 30.Kf1 Kf7 31.Ke2 g5 32.fg5 Kg6 33.f4 Kf7 34.e4 Kg6 35.Bd2 Kh5 36.Kf3 Kg6 37.f5 Kf7 38.g6 Ke7 39.Bc3 Kf8 40.Rb1 Kg8 41.Rh1 Re8 42.f6 gf6 43.Bf6 Rf8 44.Rh8# 1–0. b4_player – Dr_Watson, gamecolony.com, 2007.

9.0-0 Qd7 10.a3 Ba5 11.Qb3 (11.Bf6 gf6 12.d4 Rab8+/-) 11...Bb6 (11...Ne4!?=) 12.Bf6+= gf6 13.Nc3 Na5 14.Qb2 c6 15.Rac1 (15.d3 f5+/-) 15...Qe6 16.d3 Rab8 (16...f5 17.Rce1+/-) 17.Ne4+/- Bd8? (17...Bf3 18.Bf3 (worse 18.Nf6 Qf6 19.Qf6 Be2+=) 18...Kg7 19.Ng3+/-) 18.h3?? (better 18.Nd4 Qd7 19.Bg4 Qg4 20.Nd6+-) 18...Bf3+/- 19.Bf3 (worse 19.gf3 f5 20.Nc3 f4-/+) 19...f5 20.Ng3 Bf6 21.Qb4 b6 22.Nh5 Be5 (22...c5 23.Qa4+/-) 23.d4 Bh8 24.d5 Qh6 25.Ng3 (25.dc6 Be5+/-) 25...c5 (25...f4 26.Nf5 Qg6 27.e4+/- (27.Nd6? c5 28.Qb5 Qd6-+)) 26.Qb1 (26.Nf5 Qf6 (26...cb4? 27.Nh6 Kf8 28.ab4+-) 27.Qb1 a6+/-) 26...Re5 (26...f4 27.Nf5 Qf6 28.e4+/-) 27.Nf5 Qf6 28.e4 a6 29.Be2 Ree8 30.f4 Rb7 (30...Bg7 31.Bd3+-) 31.Bd3 Reb8 (31...Bg7 32.Rf3 Kh8 33.Re1+- (33.Ng7?! Qg7 34.Kh2 Qd4+/-)) 32.Rf3 Kf8 (32...Re8 33.Rg3 Kf8 34.Re1+-) 33.g4 (33.Re1!? b5 34.e5 de5 35.fe5 Qb6+-) 33...b5 (33...Re8 34.Re3+-) 34.g5 (34.cb5 ab5 35.Re3 c4+-) 34...Qd8 35.cb5 ab5 36.Nh6 (36.Rc2 c4 37.Bf1 Nb3+/-) 36...c4 37.Bf1 Nb3 38.Rb3 cb3 39.Qb3 Qb6 (39...b4 40.Rc6 Bd4 41.Kh2 ba3 42.Qa3 Rb1 43.Rd6 R8b2 44.Bg2 Bg1 45.Kg3 Rb3 46.Bf3 Qe8+/- (46...Ra3? 47.Rd8 Ke7 48.Rh8+-)) 40.Kh1 (40.Kg2 b4 41.ab4 Qd4+/-) 40...Rc7 (40...Qf2 41.Nf5 Qf4 42.Qc2=+) 41.Re1 (41.Rc7 Qc7 42.Qe3 Qc5=) 41...Qf2 (better 41...Rc3!? 42.Qa2 Qc5=) 42.Qe3+= Qe3 43.Re3 Rc2 44.e5 (44.Nf5 Rf2 45.Bd3 Bb2 46.Nd6 Bc1=) 44...b4 (44...Rf2 45.Bd3 Rc8 46.Re1 de5 47.fe5=+) 45.ab4 Rb4 46.ed6 (46.Re1!? Rd2 47.Rc1 Rf4 48.Rc8 Ke7 49.Bb5 de5 50.Rh8+=) 46...Rb1= 47.Kg1 (better 47.Rf3 Rd2 48.f5 Rd5 49.g6=) 47...Rcc1?? (better 47...Bd4 48.Nf5 Be3 49.Ne3 Rc3-+) 48.Rf3+/- Bd4 49.Kg2 Rb2 (49...Ke8 50.h4+/-) 50.Kg3+- Ke8 (50...Bc5 51.d7 Rb8 52.Bd3+-) 51.Nf5 (51.Bd3!? Rc5+-) 51...Bc5+/- 52.d7 (52.Bd3 Rd1+/-) 52...Kd7 53.Nh6 Ke8 (53...f6 54.gf6 Kd6 55.Bd3 Kd5 56.Bh7+/-) 54.h4 (54.Bd3 Rb3+/-) 54...Rbb1 55.Bh3?? (better 55.Bd3 Rb3 56.Nf5+/-) 55...Rg1-+ 56.Bg2 Rb2 57.Nf5? (57.Kh3 Rgg2 58.Rc3-+) 57...Rbg2 58.Kh3 Re2 (58...Rd2 59.Rg3-+) 59.h5? (59.Rc3 Bb4 60.Rc8 Kd7 61.Rb8-+) 59...Rh1 60.Kg3 (60.Kg3 Rd1 61.Rb3-+). carlos78 (2250) - jarda (2135), Rated Blitz game, lichess.org, 2014.

9.0-0 Qd7 10.d4 d5 11.Nbd2 Rad8 12.Rc1 Ne4 13.Ne4 de4 14.Nd2 Be2 15.Qe2 Bd6 16.Ne4?? (better 16.Rb1=) 16...Re4-+ 17.d5 Ne5 (better 17...Nb4-+) 18.f4?? (better 18.c5 Be7 19.f3-/+) 18...Ng4-+ 19.Bd4 Rde8 20.Rc3 (20.Qb2 b6 21.Qb5 Qb5 22.cb5 Ne3 23.Be3 Re3 24.g3-+) 20…Rd4! (20...Rd4 21.h3 Nf6-+) 0-1. s583 (2015) - alexander90 (2355), Rated Blitz game, lichess.org, 2016.

9.0-0 Qd7 10.Bf6 gf6 11.d4 Kh8 12.a3 Ba5 13.Nbd2 Rg8 14.Kh1 Qf5 15.Rb1 Rab8 16.Rb5 Qg6 17.Nh4 Qh6? (Better is 17...Qg7+/–) 18.Bg4+- Qh4 19.Bf3 a6?? (Better is 19...f5+-) 20.Rh5 (20...Qh5 21.Bh5 Bd2 22.Qd2+-) 1–0. orane (2020) – Gebhard (1685), Live Game Caissa's Web, 2004.

9.0-0 Ne4 10.h3 Bh5 11.d4 Qf6 (better 11...Bg6=) 12.Nfd2 (12.Qb3!? Qe7 13.a3+=) 12...Be2 (12...Nd2 13.Nd2 Be2 14.Qe2 Nd4 15.Bd4 Qd4 16.Rfd1-/+) 13.Qe2 (better 13.Ne4!? Qd4 14.Bd4 Bd1 15.Nd6=+) 13...Nd2-/+ 14.Nd2 Nd4! 15.Qg4 (15.Bd4 Bc3 Double attack (15...Bc3 Decoy); 15.ed4 Re2 Pinning (15...Re2 Deflection)) 15...Ne2! 16.Qe2 Qb2 17.Rfd1 Bd2 18.Qd2 Qd2 19.Rd2 b6 20.Kf1 Re4 21.Rd4 Rae8 22.Ke2?? (better 22.a4-/+) 22…Rd4-+ 0-1. fishissushi (1855) - Portomas (1995), Rated Blitz game, lichess.org, 2020.

9.0-0 Qe7 10.a3 Ba5 11.d4 Rad8 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2 a6 15.Qc2 Ng5 16.Ng5 Qg5 17.Bg4 Qg4 18.Rab1 b6 19.Qa4 Nb8 20.Qd1 Qd1 21.Rfd1 Nd7 22.a4 a5 23.Ba3 c5 (23...Re4 24.Kf1=) 24.dc5 dc5 25.h3 (better is 25.Bb2=) 25...Re6?? (25...Ne5 26.Rdc1 Rd6 27.Bb2+=) 26.Rd5?? (better is 26.Bc5 bc5 27.Rd7+-) 26...Kf8= 27.Rbd1 Ke8 28.Bb2 f6 29.g3 Re7 30.Rd6 Rb8 31.Kg2 ½–½. mr5reasons1 (1665) – irrawang (1775), gameknot.com, 2012.

9.0-0 h6 10.Nd4 Be2 11.Qe2 Nd4 12.Bd4 c5 13.Bb2 d5 14.cd5 Qd5 15.Rd1 Rad8 16.Nc3 Bc3 17.Bc3 Ne4 18.Qg4 Nc3 19.dc3 Qc4 20.Rd8 Rd8 21.Qc4 1-0. Calmageddon - captainnochords (1750), Rated Blitz game, lichess.org.

9.a3 Ba5=.

9.a3 Ne4?? 10.ab4+- Nb4 11.0-0 Re6 12.Nc3 c6 (12...Qe7 13.Ne4 Re4 14.h3+-) 13.Ne4 (better 13.Nd4!? Be2 14.Ne6 Bd1 15.Nd8 Bc2 16.Ne4 Rd8+-) 13...Re4 14.Qb3 c5 15.Bc3 a5 16.d4 Qd7 (16...Qe8 17.Rfb1+-) 17.dc5 dc5 18.Ne5 Re5 19.Bg4 (19.Bg4 Qg4 20.Be5+-; 19.Be5?! Be2 20.Rfc1 a4+=) 1-0. Subedei (2285) - Haroldlee123 (1740), ChessWorld.net, 2013.

9.Nc3 Bc3 10.Bc3 Ne4 11.0-0 Nc3 12.dc3 Qf6.

9.Nc3 d5=+ 10.Qb3 Bf3 11.gf3 Bc3 12.Bc3 d4 13.Bb2 b6 14.Rg1 Qd6 15.Rg2 Rad8 16.f4 Na5 17.Qc2= c5 18.0-0-0 Kf8 19.Bf3 Qe6 20.Be2 Nc6 21.Rdg1 Nb4 22.Qb3 g6 23.a3 Nc6 24.Qc2 Qh3 25.Kb1 Ne7 26.d3 Qh4 27.Bc1 de3 28.fe3 Nf5 29.e4 Nd4 30.Qb2 Ne2 31.Qe2 Qh3 32.Rg3 Qd7 33.Re3 Re6 34.Bb2 Nh5= 35.f5 Rc6 36.Rf3 Ke7 37.Rgf1 f6? 38.e5+- Kf8 39.e6 Qe8+/– 40.Rh3 Rdd6 41.Qe3 (41.Qe3 g5 42.e7 Qe7 43.Qe7 Ke7 44.Rh5 Rd3 45.Rh7 Kf8 46.Ra7+-) 1–0. Labahn,Thomas – Wrba,Klaus, GER–ch qgB15 corr939, 1993.

9.Nc3 d5 10.cd5 Nd5 11.0-0 Nc3 12.dc3 Bd6 13.Qb3 Re6 14.h3 Bh3?? 15.gh3+- Rg6 16.Kh1 Qd7 17.Ng1 Rg1!–+ 18.Kg1 Qh3 19.f4 Qg3?? 20.Kh1= Qh3 21.Kg1 Qe3 22.Kg2 Qe2 23.Rf2 Qe4 24.Kf1 Re8 (24...Re8 25.Kg1 Bc5–+; < 24...Bf4 25.Rg2 Be3 26.Qc2 Qf4 27.Rf2 Bf2 28.Qf2 Qc4 29.Qe2 Qe2 30.Ke2 Re8 31.Kf1–+) 0–1. Koester,Roman (2125) – Wehner,Jannis (2185), Oberliga Ost–B, 2005.

8.a3 Ba5=+.

8.Qb3 Re8 9.Be2 Ne4 10.a3 Ba5 11.Qb7 (11.0-0 Nc5 12.Qd1 Nd3=) 11...Qd7 (better 11...Nc5 12.Qc6 Be4 13.Qe8 Qe8-/+) 12.Bd4?? (12.Nd4 Rab8 13.Qc6 Rb2=) 12...Bg4 (better 12...Rab8 13.Qa6 Nc5 14.Bc5 dc5-+) 13.0-0 (13.Qb5 A) worse 13...Nd4 14.Nd4 (worse 14.ed4 Qe7 15.0-0 Bb6-/+) 14...Bb6 15.Qd7 Bd7 16.Nc2+=; B) 13...Rab8 14.Qd5 Bf3 15.Bf3 Rb1 16.Rb1 Nd2+=) 13...Rab8 14.Qa6 Nd2 (14...Ng5! 15.Nc3 Bf3 16.Bf3 Nf3 17.gf3 Nd4 18.ed4 Bb6-/+) 15.Nbd2= Bd2 16.Nd2 (16.Rad1 Ba5=) 16...Be2=+ 17.Rfe1 Nd4 18.ed4 Rb2 19.Nf3 (19.Qa5 c5 20.Qc3 Rb6=) 19...Bf3 20.Re8 Qe8 21.gf3 h5 22.Qa7 Qe2 (22...Qc6 23.f4=+) 23.d5?? (23.Qa8 Kh7 24.Qe4 Qe4 25.fe4 Rd2+/-) 23...h4 (23...Qc4 24.Rd1-/+) 24.Rf1?? (24.Qe3 Qc4 25.Qe8 Kh7 26.Qf7 Qc5 27.Qh5 Kg8 28.Qh4 Qd5=) 24...h3?? (better 24...Qf3!? 25.h3 Qh3-+) 25.Qe3 (25.Qc7 Qf3 26.Qd8 Kh7 27.Qh4 Kg8=) 25...Qc4 (25...Qe3!? 26.fe3 Rg2 27.Kh1 Ra2=) 26.Qe8+= Kh7 27.Qf7 Qd3 28.Qh5 Kg8 29.Qh3 (29.Qe8 Kh7 30.Qe4 Qe4 31.fe4 Ra2+/-) 29...Qd5= 30.Qc8 Kh7 31.Qc7 Qf3 32.Qd6 Qg4?? (better 32...Rb6! 33.Qb6 Qg4 34.Kh1 Qf3 35.Kg1 Qg4 36.Kh1 Qf3 37.Kg1=) 33.Qg3+- (33.Qg3 Qh5 34.Re1+-) 1-0. AhmedSultanov (1760) - Martin_WBHG (1770), lichess.org, 2019.

8.Nc3 a6 9.Be2 Re8 10.0-0 Ne5 (10...d5 11.Qb3 dc4 12.Bc4=) 11.d4 Nf3 12.Bf3 Ne4 (better 12...Bc3 13.Bc3 Ne4=) 13.Be4 Be4 14.Ne4 Re4 15.Qf3 (better 15.Qb3!? c5 16.a3+/-) 15...Qe7 16.d5 (16.Rab1 Re8+=) 16...Rh4 (16...Rc4!? 17.Rfc1 Rc1 18.Rc1 Bc5=+) 17.Qg3 g6 18.Bd4 c5 19.dc6 bc6 20.Rab1 (20.a3 Ba5 21.Rfc1 c5+=) 20...c5= 21.Ba1 (21.Rfd1 cd4 22.Rb4 Re4=) 21...Rc4 22.Rfd1 The backward pawn on d6 becomes a target 22...Bc3 (22...Rd8 23.Qf3 Qe6 24.Qf6 Qf6 25.Bf6=) 23.Bc3 (23.Qf3!? Re8 24.Rbc1+/-) 23...Rc3= 24.Qd6 (24.Rd6 Rd8 25.Rdd1= (25.Ra6?? Qb7 26.Rg6 fg6-+)) 24...Qd6=+ 25.Rd6 Rc2 26.Rd7 (26.a4 c4=+) 26...Ra2-/+ 27.g3 a5 (27...Kg7 28.Rc7=+) 28.Rbb7= a4 (better 28...Rf8!?=) 29.Rf7+= a3 (better 29...h5!?+=) 30.Rg7+- (30.Rh7?! Ra1 31.Kg2 a2 32.Rbg7 Kf8 33.Rf7 Ke8 34.Re7 Kf8 35.Rhf7 Kg8 36.Rg7 Kf8 37.Ref7 Ke8=) 30...Kf8 31.Rh7 Kg8 32.Rbf7 (better 32.Rbg7 Kf8 33.Rg6 Ra1 34.Kg2+-) 32…Ra1= (32...Ra1 33.Kg2 a2 34.Rfg7 Kf8=) 0-1. hurvajsmanka (1660) - Capablanca13, Rated Bullet tournament, lichess.org, 2014.

8.Nc3 Bc3 9.Bc3 Ne4 10.Qb1+=.

8.Nc3 Bc3 9.Bc3 Ne4 10.Bb2 Nc5 11.d4 (11.Be2 Nb4 12.0-0 Qe8=) 11...Ne4 (11...Qf6 12.Be2+=) 12.Be2= d5 (12...Qf6 13.0-0=) 13.0-0 Re8 14.Rc1 White plans c5 14...Nf6 (14...Be6!?=) 15.Ne5+/– Qd6 16.c5 (16.Qb3 dc4 (16...Ne5? 17.de5 Re5 18.Be5 Qe5 19.Qb7+-) 17.Qb7 Na5+/–) 16...Qe7+= 17.Nc6 (17.Re1 Rab8+=) 17...bc6= 18.Qa4 Ne4 (18...Rab8 19.Ba3=) 19.Qc6+= Qg5 (19...Rab8 20.Bc3 Nf2 21.Rf2 Qe3+/–) 20.f4 (20.Bc3 Bh3 21.Bf3 Rac8+/–) 20...Qh4 (better is 20...Qd8 21.Qa4 Re6=) 21.Qd5+/– Rab8 22.Ba1 (better is 22.Qf5 Rb2 23.Bf3+-) 22...Ng3?? (better is 22...Qf6 23.c6 Nd6+/–) 23.hg3+- Qg3 24.Qf3 (24.Qf3 Qg6 25.Bc3+-; worse is 24.Qf5 Qe3 25.Kh2 Qe2+-) 1–0. Feofanov,Alexander – Kazakov,Stanislav, SF OCCC, 2007.

8.Nc3 Ne4 9.Ne4 Be4 10.Be2 d5 11.Rc1 Qd6 (11...dc4 12.Bc4 Qd6 13.0-0=) 12.0-0 dc4 13.Rc4 f5 14.Re4 fe4 15.Bc4 Kh8 16.Ng5 Qg6 (16...Qd2?? 17.Qh5 Qf2 18.Rf2 h6 19.Qh6; worse 16...Bd2 17.Ne4 Qb4 18.Qc2 Be3 19.fe3 Rf1 20.Bf1+/-) 17.Ne6 Rf7 18.Nf4 (18.f4!?+/-) 18...Rf4= 19.ef4 Bd6 20.f3 (20.d3 Bf4 21.de4 Qe4=) 20...Bf4 (20...Qh5!? 21.Be2 Bf4=) 21.fe4= Be5 22.Qf3 (better 22.Qb3 Qe4 23.Qb7+=) 22...h6?? (better 22...Qd6 23.Be5 Ne5-/+) 23.Qf8!!+- Rf8 24.Rf8 Kh7 25.Bg8 Kh8 26.Bf7 Kh7 27.Bg6 Kg6 28.Be5 Ne5 29.Rc8 c6 30.Rc7 Nc4 (30...Nd3 31.Rb7 a5 32.Rc7+-) 31.d3 Na5 32.Kf2 Kf6 33.h4 g5 (33...h5 34.d4+-) 34.hg5 (34.h5!? c5+-) 34...hg5 (34...Kg5 35.d4+-) 35.g4 a6 (35...Ke5 36.Ke3+-) 36.Ke3 Ke6 37.Kd4 Kd6 38.Rg7 c5 39.Ke3 c4 (39...Nc6 40.Rg6 Ke7 41.Rg5 b6 42.Rg7 Kf8+-) 40.Rg5 b5 (40...Nc6 41.Rg6 Ke7 42.Rc6 cd3 43.Rb6+-) 41.dc4 (better 41.Rg6 Ke7 42.Ra6 Nb3 43.ab3 cb3+-) 41...Nc4 42.Kd4 Nd2 (42...Ke7 43.e5 Na3 44.Rg7 Ke8 45.e6+-) 43.Rg6 (43.Rf5 b4 44.g5 b3 45.ab3 Nb3 46.Kc4 Nd2 47.Kd3 Nb3 48.g6 Nc1 49.Kc4 Na2 50.g7 Nb4 51.g8Q Nc6 52.Qd5 Kc7 53.Rf7 Kb8 54.Qc6 a5 55.Qb7) 43...Kd7 44.Ra6 Nc4 (44...Ke7 45.Rb6 Nf3 46.Kd5+-) 45.g5 1-0. Burns,Chris - Post,Martin, NZL Wanganui Chess Club A-Grade Championship, 2002.

8.Nc3 Ne4 9.Ne4= Be4 10.Be2 Bg6 11.0-0 Qd7 (11...h6!?=) 12.a3+= Ba5 13.Qa4 (13.Nh4 Rab8+=) 13...Bb6 (13...Rab8 14.Nh4+=) 14.d4 (14.Nh4 Rad8+=) 14...a6 15.Rac1 Rad8 16.Rfd1 (16.c5 dc5 17.dc5+=) 16...Qc8?? (better is 16...Nd4 17.Qd7 A) 17...Rd7?? 18.Bd4 (18.Rd4?! Bd4 19.Nd4 c5+-) 18...Bd4 19.Rd4+-; B) 17...Ne2 18.Kf1 Rd7 19.Ke2 Rfd8–/+) 17.Qb3 (17.Nh4 Bf5+/–) 17...Rfe8+= 18.a4 Nb8 (18...f6!?+=) 19.Qc3 Ba7 20.Nh4 Nd7 21.Bg4 Qb8 22.Ng6 hg6 23.Qb3 Nf6 24.Bf3 c6 25.Rb1 Qc7 26.Qc2 Qe7 27.Ba3 Qc7 28.Rd3 Rb8 29.Rdb3 Red8 30.Qb2 Rd7 31.e4 Qd8 32.Re1 White intends e5 32...Qa5 33.Bb4 Qd8 34.e5 (34.Bc3!? Qc7+-) 34...de5+/– 35.de5 Nh7 (better is 35...Bd4!? 36.Bc3 Bc3 37.Qc3 Ne8+/–) 36.Bd6+- Ra8 (better is 36...Ng5 37.Bb8 Bb8+-) 37.Rb7 Ng5 (37...Qc8 38.Rb3 Ng5+-) 38.Bc6 Rd6 (38...Rb7 39.Qb7 Rc8+-) 39.ed6 Qd6 40.Bd5 Bb8 (40...Qf4 41.g3 Qd4 42.Qd4 Bd4+-) 41.Re8 Kh7 42.Reb8 (42.Rbb8 Rb8 43.Qb8 Qb8 44.Rb8 Kh6 45.Rh8 Nh7+-) 42...Rb8 43.Rb8 Qe7 (43...Ne6 44.g3 Nc5 45.Ra8+-) 44.Qd2 (44.g3 Qd7+-) 44...Qa3 (44...Qe5 45.Rb1 Ne6 46.Re1+-) 45.Rb1 f6 (45...Ne6 46.Qe3 Qe3 47.fe3+-) 46.h4 Qa4 47.hg5 fg5 (47...Qd7 48.Qf4 Qd5 49.cd5 fg5 50.Qg4 a5 51.Rb8 a4 52.Qh3) 48.Qg5 Qd1 (48...Qc4 49.Bc4 a5 50.Qh4) 49.Rd1 1–0. Kukel,Imre (1850) – Haris,Darius, 5th Gyor Open–B, 2014.

8.Nc3 Re8 9.Be2 a6 (9...Bc3 10.Bc3 Ne4 11.Bb2=) 10.Nd5= Nd5 11.cd5 Ne5 12.0-0 Nd3?? (better 12...Nf3 13.Bf3 Bc5=) 13.Qc2+- Nb2 14.Qf5 Na4 (14...Ba3 15.Ng5 h6 16.Qf7 Kh8 17.Ne6+-) 15.Qg4 c5 (15...Bc3 16.dc3 Nc3 17.Qc4+-) 16.dc6! Qa5 (16...bc6 17.Qc4 Double attack (17.Qc4 Decoy)) 17.Rab1 Bd2 (17...Ba3 18.cb7 Rab8+-) 18.cb7 Rab8 19.Nd2 Qd2 (19...Nc3 20.Rb2+-) 20.Qa4 Qe2 21.Qe8!! Re8 22.b8Q Kf8 (22...Rf8 23.Qd6 g6+-) 23.Qd6 Kg8 24.Rb8 Qf1 25.Kf1 (25.Kf1 h6 26.Re8 Kh7 27.h4 a5 28.Qe5 Kg6 29.h5 Kh7 30.Qf5 g6 31.Qf7) 1–0. Pierre – Roccho, internet, 2019.

8.Nc3 h6 9.Be2 Ne4 10.Ne4 Be4 11.0-0 f5 (11...Re8!?=) 12.d3+/– Bf3 13.Bf3 (13.gf3?! f4 14.Kh1 Rf7=) 13...Qd7 14.Qa4 Bc5? (better is 14...a5+/–) 15.d4+- Bb6 16.c5! dc5 17.dc5 Bc5 18.Qc4 Rf7 19.Qc5 Kh8 20.Rfd1 Qe7 21.Qe7 Re7 22.Bc6 bc6 23.Rac1 Rb8 24.Bd4 Rbe8 (24...Re6+-) 25.Rc6 1–0. Henke,Simon – Dumitriu,Laurentiu, ZL–2008–0-00435, 2008.

8.Be2 a6 9.0-0 (9.a3 Ba5=) 9...h6 (9...d5 10.d4=) 10.Nc3 (10.Qb3 Ne4=) 10...Ne5 (10...d5 11.d4=) 11.Qb3+= Bc5 (11...Bc3 12.Bc3 Ne4 13.Be5 de5 A) worse 14.Ne5 Nd2 (14...Qd2?! 15.Rfe1=) 15.Qb7 Be4–/+; B) 14.Qb2+=) 12.d4+- (12.Qb7? Rb8 13.Qa6 Rb2–+) 12...Nf3 13.Bf3 Ba7? (better 13...Bb6!?+-) 14.Qb7+- Rb8 (14...Bd3 15.Rfc1+- (worse 15.Qa6 d5+-)) 15.Qa7 (15.Qa6?! Bd4 16.ed4 Rb2+-) 15...Rb2 16.e4 (16.Qa6!? Re8+-) 16...Bc8+- 17.Rab1 Rc2 18.Rfc1 Rd2 19.h3 (19.d5 Nd7+-) 19...Qe7 (19...Qd7 20.Rd1 Rd1 21.Rd1+-) 20.Re1 (20.d5 Nh7+-) 20...Rc2 (20...Qe6 21.Qc7 Rd4 22.Nd5+-) 21.Re3+- Nd7? (better 21...Re8!?+-) 22.Qc7 Qg5 (22...Qe6 23.Bg4 Qf6 24.Bf5 Qd4 25.Rd1+- (25.Bd7?! Bd7 26.Rd1 Qf6+-)) 23.Nd5 (23.Qd6 Rd8 24.Qg3 Qa5+-) 23...Ra2 (23...Qh4 24.g3 Qd8 25.Qd6 Rc4 26.Ne7 Kh7 27.e5 (27.Nc8?! Qc8 28.e5 Kg8+-) 27...Rd4 28.Qd4 Qe7 29.Qd6 Qd6 30.ed6+-) 24.Bg4 Qf4 (24...Qd8 25.Qc8!! Qc8 26.Ne7 Kh7 27.Nc8 Rc8+-) 25.Nf4 1–0. Janek – Crels, internet free game, 2017.

8.Be2 Qd7 9.Bf6 gf6 10.Qb3 Ba5 11.Nc3 (11.Qb7?? Rfb8 12.Qa6 Rb6–+ (12...Rb1?! 13.Rb1 Bb1 14.0-0–+)) 11...Bc3 12.Qc3 Ne5 13.d4 Ng6 14.Nd2 Rfe8 15.0-0 Nh4 16.Rfe1 Bh3?? (Better is 16...Kh8+/–) 17.gh3+- Qh3 18.Bf1 Nf3 (18...Qg4 19.Kh1+-) 19.Nf3 Qf3 1–0. marekt – robbobbo, ChessWorld.net, 2004.

8.Be2 Qd7 9.Bf6 gf6 10.Qb3 Kh8 11.Nc3 Rg8? (better 11...Bc3 12.Qc3 Qe7+-) 12.Nd5+- Rg2 (12...a5 13.a3 Bc5 14.Nf6+- (14.Qb7?! Kg7+-)) 13.Nb4 Na5 (13...Nb4 14.Qb4 Be4+-) 14.Qc3 Qe6 (14...Rg6+-) 15.Nd5 Rg6 (15...Qc8 16.Qa5 Be6 17.Nf6+-) 16.Nc7 Qe4 (16...Qc8 17.Qa5 Qd8 18.Qf5 Qc7 19.Nh4+-) 17.Na8 Bg4 (17...b6 18.Nc7 Be6 19.Nb5+-) 18.Rg1 (18.d3!? Qe8 19.Nh4 Be2 20.Ng6 hg6+-) 18...Bf3 19.Rg6 (19.Qa5?? Rg1 20.Bf1 Qd3 21.Qd8 Kg7 22.Qf6 Kf6 23.Nc7 Qf1) 19...fg6 (19...Qg6 20.Bf3 Nc6+-) 20.Qf6 Kg8 21.Bf3 (21.Bf3 Qc4 22.Nc7+-) 1–0. Janek – Dromtd, internet free game, 2017.

8.Be2 Nd7 9.0-0 Nc5 10.d4 Ne4 (10...Qf6 11.Bc3=) 11.a3 Ba5 12.Nbd2 (12.d5 Ne7+=) 12...Qe7 13.Ne4 Be4 14.Nd2 Qg5?? (better 14...Bd2 15.Qd2 Rfe8+=) 15.Ne4+- Qe7 16.Ng3 a6 (16...Rfe8 17.d5 Ne5 18.f4+-) 17.Bf3 (better 17.d5!? Ne5 18.f4 Nc4 19.Bc4 Qe3 20.Kh1 f5+-) 17...Rab8 18.Bc6 bc6 19.Rb1 Qg5 (19...Qe8 20.Qa4 Bb6 21.Rfc1+- (21.Qa6?! Ra8 22.Qa8 Qa8+=)) 20.Ba1 (20.Qa4!? Bb6+-) 20...Bb6 (20...Rb1 21.Qb1 c5 22.Qb7+-) 21.Qf3 c5 (21...d5 22.Bc3+-) 22.dc5 Bc5 23.Ne4 (23.Nf5 Rfc8+-) 23...Qg6 (23...Qh4 24.Nc5 dc5 25.Qd5+-) 24.Rb8 (24.Nc5?! Rb1 25.Ne4 Rf1 26.Kf1 Rb8+-) 24...Rb8 25.Nc5 dc5 26.Be5 Qb6 (26...Re8 27.Bc7 Re4 28.Rd1+-) 27.Qg3 f6 (27...Qg6 28.Qg6 hg6 29.Bc7 Rb3+-) 28.Bc7 (28.Bc7 Qe6 29.Bb8 Qc4 30.Ba7+-) 1–0. mr5reasons1 (1705) – jdogg55, gameknot.com, 2018.

8.Be2 Nd7 9.0-0 Nde5 10.d4 Ng6 11.Bd3 Bg4 12.h3 Bd7 13.Nc3 Nce7 14.Qb3 Bc3 15.Qc3 d5 16.e4 c6 17.Rfd1 Rc8 18.Ne5 Ne5 19.de5 Be6 20.Ba3 Re8 21.Rab1 Qc7 22.Bd6 Qd7 23.c5 de4 24.Be4 Bd5 25.Qf3 Ba2 26.Rb2 Bd5 27.Rdb1 Be4 28.Qe4 b5 29.cb6 ab6 30.Rb6 Nd5 31.Rb7 Qd6 32.ed6 Re4 33.d7 Rf8 34.Rc1 Nf6 35.Rc6 Rd4 36.Rcc7 g6 0-1. tpape (1985) - notrito (1930), Rated Blitz game, lichess.org.

8.Be2 Be4 9.0-0 Nd7 (9...Re8 10.Qb3=) 10.d3 Bg6 11.a3 Bc5 12.Nbd2 Nce5 (better 12...Re8!?=) 13.d4+/- Nf3 14.Nf3 (better 14.Bf3!? Bb6 15.Bb7+/-) 14...Bb6+= 15.Qd2 c5 16.d5 Ba5 17.Bc3 Bc3 18.Qc3 Nb6 (18...Re8 19.Bd3=) 19.a4+= a5 (19...Re8 20.a5 Nd7 21.Bd3=) 20.Rfd1 (20.Bd3 Ra6+=) 20...Re8= 21.Bd3 Bd3 (21...Bh5 22.Kh1=) 22.Qd3+= Qf6 23.Qb3 (23.Rdb1 Nd7+=) 23...Qd8 (23...Ra6 24.Rab1+=) 24.Rdb1 Ra6 25.Qd3 g6 (better 25...Qe7!?+=) 26.Rb5+/- f5 27.Ng5?? (better 27.Rab1+-) 27...Qg5-+ 28.Qc3? (28.Qb3 Nd7 29.Rb7=+) 28...Qd8 (better 28...f4 29.Rab1 fe3 30.fe3 Re3-+) 29.Ra5? (29.Qb3 Re4 30.f3 Re7-+) 29...Ra5 (better 29...Nd5 30.Qd2 Ra5 31.Qd5 Kh8 32.Qb7-+) 30.Qa5 Nc4 31.Qb5 Qf6?? (31...Na5!? 32.Rb1-+) 32.Rc1?? (better 32.Qe8 Kg7 33.Rd1+-) 32...Re4-+ 33.Qb7 Qb2 34.Qb2 (34.Qc8 Kg7 35.Re1 Re7-+) 34...Nb2 35.a5 Ra4 36.Rb1 Ra5 37.h3 Nc4 (37...Ra2 38.g4-+) 38.Rb7 (38.g4 fg4 39.hg4 Ne5-+) 38...Ra6 (38...Ra1 39.Kh2-+) 39.Rc7 (39.g4 Nb6-+) 39...Rb6 (39...Ra1 40.Kh2-+) 40.Kf1 (40.g4 Rb1 41.Kg2 Rd1-+) 40...Nd2 41.Ke2 Ne4 42.f3 Nc3 43.Kd3 Nd5 44.Rc8 Kg7 45.e4 (45.g4 Ra6-+) 45...fe4 (45...Nf4 46.Kc3-+) 46.fe4 (46.Ke4 Ne7 47.Re8 Kf6-+) 46...Nb4 (better 46...Nf4!? 47.Ke3 Ng2 48.Kf3-+) 47.Kc4 Nc6 48.Kd5 (48.Ra8 Ne5 49.Kd5 Nd3-+) 48...Ne5 (better 48...Ne7 49.Ke6 Nc8-+) 49.Rc7 Kh6 50.Re7 (50.g3 c4-+) 50...c4 51.Rc7 Rb5 (51...Kg5 52.g3-+) 52.Kd4 (52.Kd6 Kg5 53.g3 h5-+) 52...Rc5! 53.Rc5 dc5 54.Ke5 (54.Kc3-+) 54...c3 55.Kd5 c2 56.Kc5 1-0. Sirfatticus – fernandorcouto, Rated Blitz game, lichess.org, 2014.

8.Be2 Ne5 9.0-0 Nf3 10.Bf3 c6 11.a3 Bb1? (11...Ba5 12.d3=) 12.ab4 (12.Rb1!? Bc5 13.Bf6 Qf6 14.Rb7+-) 12...Bg6 (12...Bd3 13.Be2 Be2 14.Qe2+=) 13.d4 (13.b5 cb5 14.cb5 Bd3+/-) 13...Re8 (13...d5 14.cd5 cd5 15.Qb3+=) 14.h3 (14.d5!? c5 15.bc5 dc5 16.Bf6 Qf6 17.d6+=) 14...d5= 15.Be2 Qd7 16.Ba3 Bf5 17.f4? (17.Qb3!?=) 17...Ne4 (17...dc4!? 18.Bc1 b5-+) 18.Bc1 Bh3 (18...Ng3!? 19.Rf2 Qe6-/+) 19.gh3= Qh3 20.Bf3 Qg3 21.Bg2 Re6 (21...dc4 22.Rf3 Qg6 23.f5=) 22.Qf3 (22.Rf3 Qg4+=) 22...Qh4 (better 22...Qf3!? 23.Rf3 dc4=) 23.cd5 cd5 24.Qh3 Rh6?? (better 24...Qh3 25.Bh3 Rg6 26.Bg2 f5+/-) 25.Qh4 (25.Ra7! Qd8 26.Qd7 Rd6 (26...Qd7?? 27.Ra8 Qe8 28.Re8) 27.Qd8 Rdd8 28.Rb7 f5+-) 25...Rh4 26.Ra5 Rg4 27.Rd5 Nc3 (27...g6 28.Bb2+-) 28.Rc5 (better 28.Rd7 Ne4 29.Rb7 f5+-) 28...Ne2 (28...Ne4 29.Re5 f5+-) 29.Kf2 Nc1 30.Rfc1 h6 (30...Rf8 31.Ra5+-) 31.Rc8 Rc8 32.Rc8 Kh7 33.Bb7 (better 33.Be4 g6 34.d5+-) 33...h5 (33...f5 34.Rc5 Rg6 35.Rf5+-) 34.d5 (better 34.Be4 f5 35.Bf5 g6 36.Bg4 hg4 37.d5+-) 34...h4 (34...Rg6+-) 35.d6 h3 36.d7 h2 37.d8Q h1Q 38.Bh1 (38.Bh1 Kh6 39.Be4 Rf4 40.ef4 f5 41.Qg5 Kh7 42.Qh5) 1-0. cucosant2 (1790) - Raulestepona (1815), Rated Blitz game, lichess.org, 2021.

8.Be2 Qe7 9.0-0 Rfe8 10.a3 Ba5 11.Nc3 Ne5 12.Na4 c5 13.d4 Nf3 14.Bf3 Be4 (14...Rad8!?=) 15.dc5+= Bf3 16.Qf3 (worse 16.gf3 dc5 17.Qb1 Nd7=+) 16...dc5 17.Bf6 gf6 18.Rfd1 Bc7 19.g3 Be5 20.Qg4 Kh8 21.Rd7 Qe6 (21...Ba1 22.Re7 Re7 23.Qd1+-) 22.Qe6+- fe6 23.Rad1 b6 24.f4 Bb8 25.Rb7 e5 (better 25...h6+-) 26.Rdd7 ef4 27.ef4 h5 (27...f5 28.Nc3 (28.Rh7?! Kg8+-) 28...Bd6 29.Rd6+-) 28.Nc3 (28.Nc3 Re1 29.Kf2+-) 1–0. Arvos – Starace, internet, 2019.

8.Be2 Bg6 9.0-0 Re8 (9...Rb8 10.a3 Ba5 11.d3=) 10.d4 (10.Nh4 Bb1 11.Rb1 Ne4+=) 10...Ba5 11.Nc3 Bc3 12.Bc3 Ne4 13.Bb2 a6 14.d5 Ne5 15.Nd4 (15.Ne5 de5 16.Bd3 Qg5+=) 15...Nc5 16.f4 (better 16.Nb3 Ned3 17.Bd4+=) 16...Ned7?? (better 16...Ned3 17.Qd2 Nb2 18.Qb2 Be4=+ (worse 18...Re3 19.f5+/-)) 17.f5+- Re3 18.fg6 hg6 19.Qd2 Re7 (19...Qe7 20.Bf3+-) 20.Bg4 (20.Rae1!? Qf8+-) 20...Ne5+/- 21.Be2 Qd7?? (21...Ned7 22.Rae1 Qf8+-) 22.Qf4 (22.Nb3 Ne4 23.Qf4 Nf6+-) 22...Rae8 23.Rad1 Qa4 24.a3 Nc4 (24...f6!? 25.Qg3+/-) 25.Bc4 Qc4 26.Qg5?? (better 26.Nc6 Qf4 27.Ne7 (27.Rf4? bc6 28.dc6 Re1 29.Rf1 Rd1 30.Rd1 Re2-+) 27...Re7 28.Rf4+-) 26...Ne4= 27.Qf4 (27.Qe3 Nf6 28.Qg3 Qa2= (28...Qd5? 29.Nf5 Qc5 30.Bd4+-)) 27...Nf6 (27...Qd5!? 28.Qf3 Qa2=+) 28.Nf3?? (better 28.Nf5 Re4 29.Nh6 Kh7 30.Qg5=) 28…Qf4-+ 0-1. benachamohcine (1865) - hambaryan (1930), Rated Blitz game, lichess.org, 2014.

8.h3 Ne4 9.Qb3 (9.a3 Ba5=+) 9...Nc5-/+ 10.Qd1 Qd7 (10...Re8 11.Nc3-/+) 11.Be2 Rae8 12.Nd4 (12.a3 Ba5=+) 12...Bd3 13.0-0 f6 (13...Ne5 14.Ba3 Ba3 15.Na3=+) 14.Bc3 (14.Bd3 Nd3 15.Qc2 Nb2 16.Nc6 Qc6 17.Qb2 Ba5= (worse 17...Qc4 18.Rc1 Qe4 19.d3+/-)) 14...Be2 15.Qe2 (15.Ne2!? Nd3 16.Qb3=) 15...Bc3-/+ 16.dc3 f5 17.g3 (17.Nd2 Ne5-/+) 17...Ne6 Black prepares the advance f4 (better 17...f4!? 18.g4 fe3 19.fe3 Rf1 20.Kf1 Ne5-+) 18.Nc6 Qc6 19.Nd2 f4! 20.Qf3 (20.ef4 Nf4 Combination; 20.gf4 Nf4) 20...Qf3 21.Nf3 fg3 22.Nd4 (22.fg3 Nc5 23.Rae1 Nd3-+) 22...Nc5 (22...Ng5!? 23.fg3 Rf1 24.Kf1 Re3 25.h4-+) 23.fg3 Re3 24.Rf8 Kf8 25.Rf1 Ke8 26.Nf5 (26.Nb5 Ne6 27.Kf2 Rd3-+) 26...Rc3 27.Ng7 Kd7 (27...Kd8 28.Nh5-+) 28.Rf7 Kc6 29.Ne8 Rg3 (29...Nd7 30.Kf2-+) 30.Kh2-/+ Rc3 31.Rc7 Kb6 32.Rh7 Rc4 33.Nd6 Rc2 34.Kg3 Ra2 35.Nc8 Kb5 36.Rh5 (36.h4 a5-/+) 36...b6 (36...a5 37.Nd6 Kc6 38.Rh6 Ra3 39.Kg4-+) 37.Nd6 (37.h4 a5-/+) 37...Kc6 38.Rh6 Kd5 39.Nf5 (39.Nb5 Ke5-/+) 39...Kc4 (39...Ne4 40.Kf4-+) 40.Ne3 Kb3 41.Rh4 (41.Rc6 Ne4 42.Kf4 Ra4-/+) 41...Ra3 (41...b5 42.Rd4-+) 42.Nd5 Ka2 43.Kf2 (43.Kg2 b5-/+) 43...b5-+ 44.Rb4 (44.Rb4 Nd3 45.Kg2 Nb4 46.Nb4 Kb2 47.h4-+). FERNANDO_2013 (1865) - VladimirSerg (1860), Rated Blitz game, lichess.org, 2017.

8.h3 Re8 9.Nc3 Ne5 10.d4 Ng6 11.Be2 Ne4 12.Rc1 c5 13.d5 (13.0-0 Bc3 14.Bc3 Nc3 15.Rc3 Qf6=) 13...Qa5 14.Qb3 Ne5 15.0-0? (15.Ne5 de5 16.a3 Bc3 17.Bc3 Nc3 18.Qc3 Qb6=) 15...Nc3?? (better 15...Nf3 16.Bf3 Nd2-+) 16.Ne5?? (better 16.Bc3 Nf3 17.Bf3 Bc3 18.Rc3=) 16...Ne2-+ (16...de5?! 17.Bc3 Bc3 18.Rc3=) 17.Kh1 de5 (better 17...Nc1 18.Rc1 de5 19.a3-+) 18.Rce1 (18.Rcd1-+) 18...Be1 19.Re1 Qe1 20.Kh2 Qg1 0-1. b4_Bb2 (1785) - Serinoks (1800), lichess.org, 2020.

9.0-0 a6 10.d4 (10.Qb3 Rb8 (10...Ra7 11.Nc3 Bg4 12.h3 Bh5 13.d4 Re8 14.Nd5=; 10...b6 11.Nc3 Bc3 12.Qc3 Re8 13.d3 Bg4 14.h3+=) 11.Nc3 Re8 12.d3 Ne5 13.Rfd1 Bc3 14.Bc3=; 10.Nc3 Re8 (10...Qe7 11.Qb3 Rfb8 12.Nd5 Nd5 13.cd5 Ne5 14.Nd4=; 10...Rb8 11.Qb3 Re8 12.Nd5 Nd5 13.cd5 Ne5 14.d3=) 11.Qb3 Rb8 12.d3 Ne5 13.Rfd1 Bc3 14.Bc3=; 10.d3 Re8 (10...Qe7 11.Nbd2 Bb6 12.Nb3 Rfe8 13.a4 Ng4 14.e4=) 11.Nc3 Qe7 12.Rb1 Ne5 13.Nd5 Nd5 14.cd5=; 10.Bc3 d5 (10...Re8 11.Ba5 Na5 12.d4 Ne4 13.Bd3 Qf6 14.Qc2=; 10...Qe7 11.Ba5 Na5 12.Nc3 Rfe8 13.d4 b6 14.Bd3=) 11.Ba5 Na5 12.cd5 Nd5 13.d4 Re8 14.Qd2=) 10...Re8 (10...Qe7 11.Nc3 Rae8 12.Bd3 Bg4 13.h3 Bh5 14.Rb1=) 11.Nh4 (11.Nc3 Bc3 12.Bc3 Ne4 13.Rc1 Qf6 14.Ba1=) 11...Bd7 12.Nf3 (12.Qb3 Rb8 13.Nf3 Qe7 14.Nc3=) 12...h6 (12...Ne4 13.Qb3= b6 14.Nc3=) 13.Nbd2 Ne7 (13...Bd2 14.Nd2 Bf5 15.Bf3=) 14.a4 (14.Nb3+=) 14...c6 15.Qc2 d5 16.Ne5 (16.Bd3 dc4 17.Nc4 Bc7+=) 16...Bf5= 17.Bd3 Bd3 18.Qd3 (worse 18.Nd3 Bd2 19.Qd2 dc4–/+) 18...Bd2 19.Qd2 dc4 20.Nc4 Ned5 21.Ba3 ½–½. Kleinke,Uwe – Lueders,Jens, corr ICCF WT–I–500, 1979.

9.0-0 d5 A) 10.Qb3 A1) 10...Bb6 11.Na3 (11.cd5 Qd5 12.Nc3 Qb3 13.ab3 Bc2 14.Bd1) 11...Na5 12.Qc3 c6 13.Qe5 Bg6 14.Qf4; A2) 10...dc4 11.Bc4 (11.Qc4 Qd6 12.Nc3 a6 13.a4 Bb4 14.Rfd1) 11...Bb6 12.Qa4 Ne4 13.d4 Bd7 14.Qa3; B) 10.cd5 B1) 10...Nd5 11.Qb3 (11.Nc3 Nc3 12.dc3 Qd1 13.Rad1 Rad8 14.Nd4) 11...Be6 12.Na3 Bb4 13.Qc2 f6 14.Nb5; B2) 10...Qd5 11.Bf6 (11.Nc3 Bc3 12.dc3 Rfd8 13.Qd5 Rd5 14.Rad1) 11...gf6 12.Nc3 Qe6 13.Qa4 Bb4 14.Rac1.

9.0-0 Bg6 10.Nc3 Qd7 (10...Bc3 11.Bc3 Ne4 12.Bb2 Nc5 13.d3 Qd7 14.Qd2) 11.Qb3 (11.h3 Bc3 12.Bc3 Ne4 13.Bb2 f6 14.d3) 11...Nb4 12.h3 b6 13.Rfc1 Nd3 14.Bd3.

9.0-0 Bg6 10.d4 Ne4 (10...Re8 11.Qb3= (11.Nbd2 Qe7 12.d5 Ne5 13.Ne5 de5 14.Nb3; 11.Nc3 h6 12.d5 Nb4 13.Nd4 Na6 14.Qa4) 11...Ne4 12.Nc3 Bc3 13.Bc3 Nc3 14.Qc3; 10...Qd7 11.Nc3 (11.Qb3 Rfe8 12.Nh4 Rab8 13.Ng6 hg6 14.Qd3) 11...Bc3 12.Bc3 Ne4 13.Qb3 Rfe8 14.Bb2) 11.Qa4 (11.d5 Nb8= (11...Ne7 12.Nfd2 Nc5 13.Nb3 Bb6 14.Nc5) 12.Nfd2 Nd2 13.Nd2 Nd7 14.Nb3; 11.Qb3 Re8 12.Nc3 Bc3 13.Bc3 Nc3 14.Qc3) 11...Bb6 (11...Re8 12.Qb3= h6 13.Nc3 Bc3 14.Bc3; 11...Qe8 12.Qb3 f6 13.Nc3 Bc3 14.Bc3) 12.Nbd2 (12.Rd1 Qf6= (12...Qe8 13.Qa3 Qe7 14.Nc3) 13.Nc3 Bf5 14.Nd5; 12.d5 Nc5 13.Qa3 Ne7 14.Nh4) 12...Qe8 (better 12...Nd2 13.Nd2 Qe8= 14.Bg4) 13.Qa3 (better 13.Qd1!?= Qe7 14.Ne4) 13...Nd2–/+ 14.Nd2 Bd4! 15.Bf3 (15.Bd4 Nd4 Combination; 15.ed4 Qe2 Pinning (15...Qe2 Deflection)) 15...Bb2 16.Qb2 Rb8 17.Rac1 (17.Rfd1 a6–/+) 17...Ne5 18.Qa3 Nf3 19.Nf3 Be4 20.Nd4 a6 (20...Qe7 21.f3 Bg6 22.e4–/+) 21.Rfd1 (21.c5 dc5 22.Rc5 Qe7–/+) 21...c5 (21...Qe5 22.c5–/+) 22.Ne2 Qc6 23.f3 Bg6 (23...Bf5 24.e4 Be6 25.Nf4–/+) 24.Nf4 Rfe8 (24...Rbe8 25.Rd5=+) 25.h4 (25.Rd5 b5=+) 25...Re5–/+ 26.e4 (26.Ng6 hg6 27.Qd3 Rd8–/+) 26...f5 27.Nd3 (27.Ng6 hg6 28.Qd3 fe4 29.Qd6 Qd6 30.Rd6 ef3 31.gf3 Re2–/+) 27...Re7 28.e5 (28.Nf4 fe4 29.Ng6 hg6 30.fe4 Rf8–/+) 28...b6 (28...de5 29.Nc5 Rbe8 30.Qb4–+) 29.ed6 (29.f4 Bh5 30.Re1 Qd7–/+) 29...Qd6–+ 30.Ne1 (better 30.Qa6 Qd4 31.Nf2 Qh4 32.Re1–+) 30...Qg3 31.Qa6 (31.Qb2–+) 31...Rbe8 (31...Qh4?! 32.Nd3–+) 32.Qb6 Re1 33.Re1 Re1 34.Re1 Qe1 35.Kh2 Qh4 36.Kg1 Qc4 37.Qd8 (37.Qb8 Kf7 38.Qc7 Kf6 39.Qd8 Ke5 40.Qe7 Kd4 41.Qg7 Kd3–+) 37...Kf7 38.Qd7 Kf6 39.Qd8 (39.Qd6 Kg5–+) 39...Ke6 40.Qc8 (40.Qb6 Kd5 41.Qb7 Kd4 42.Qg7 Kd3–+) 40...Ke5 (40...Kd6!? 41.Qf8 Kc6 42.Qg7 Qa2 43.Qf6 Kb5 44.Qe5–+) 41.Qc7 Kd4 42.Qg7 Kd3 43.Qa7 (43.Qb2 Qd4 44.Qf2 Qf2 45.Kf2 Kd2–+) 43...Qd4 44.Kh2 c4 45.Qa6 (45.Qa4 Ke3–+) 45...Kd2 46.a4 (46.Qa4–+) 46...c3 47.Qa5 Ke2 (47...Kd1 48.Qb5 c2 49.Qf1 Kd2 50.a5–+) 48.Qc7 Kf1 (48...Kf1 49.Kh3 Qd2–+) 0–1. Stanciu,Adrian_Eugen (2130) – Baratosi,Daniel (2025), Ciocaltea mem op, 2000.

9.0-0 Bg6 10.h3 Qe7 (10...Ne4 11.d3 Nc5 12.Nc3 Bf5 13.Nd5 Ne7 14.Nd4) 11.Nc3 (11.Qb3 Ne4 12.Nc3 Bc3 13.Bc3 a5 14.Rac1) 11...Bc3 12.Bc3 Ne4 13.Bb2 f6 14.d3.

9.0-0 Bg6 10.Nh4 A) 10...Qd7 11.Bf6 (11.Ng6 hg6 12.d4 Rab8 13.h3 Rfe8 14.d5) 11...gf6 12.Qb3 Rae8 13.Nc3 Nd4 14.ed4; B) 10...Qe7 11.d3 (11.Ng6 fg6 12.f3 Qe6 13.Qc2 Rae8 14.Nc3) 11...Rfe8 12.Ng6 hg6 13.Qb3 Rab8 14.Na3; C) 10...Rb8+= 11.Ng6 (11.f3 Qd7 12.Nc3 Qe6 13.Ng6 hg6 14.Qc2) 11...fg6 12.Qc2 Qd7 13.Nc3 Qf5 14.Qf5.

9.a3 A) 9...Re8 A1) 10.Qb3 Rb8 (10...Qe7 11.Nc3 Ne4 12.Ne4 Be4 13.0-0 Ne5 14.Ne5=; 10...a6 11.Nc3 Rb8 12.0-0 Bc3 13.Qc3 Bg4 14.d4=) 11.0-0 Ne4 12.d3 Nc5 13.Qc2 Ne5 14.Rd1=; A2) 10.0-0 Qe7 (10...a6 11.Nc3 Qe7 12.d4 Bc3 13.Bc3 Ne4 14.Bb2=; 10...Rb8 11.d3 Qe7 12.Nc3 Ne5 13.Nd4 Bd7 14.Rb1=) 11.Nc3 Ne5 12.d3 c6 13.Nd4 Bg6 14.Nb3=; B) 9...Rb8 10.0-0 Qe7 (10...Re8 11.Nc3 d5 12.d4 Qd7 13.Rc1 dc4 14.Bc4=; 10...d5 11.Nd4 Nd4 12.Bd4 b6 13.Nc3 dc4 14.Bc4=) 11.Nc3 Rfe8 12.Nd5 Nd5 13.cd5 Ne5 14.Ne5=; C) 9...a6 C1) 10.Qb3 Ne4 (10...Nd7 11.0-0 Nc5 12.Qd1 Re8 13.d4 Qf6 14.Nc3=) 11.Qb7 Nc5 12.Qc6 Be4 13.Qa8 Qa8 14.Bc3–/+; C2) 10.Ra2 Qe7 (10...Re8 11.0-0 Qe7 12.Qb3 Rab8 13.Nc3 Bc3 14.Qc3=; 10...Rb8 11.0-0 Re8 12.d4 Ne4 13.d5 Ne5 14.Ne5=) 11.0-0 Rfe8 12.d4 Rab8 13.Nc3 Bc3 14.Bc3=; C3) 10.Nh4 Be6 11.0-0 d5 12.Qc2 Re8 13.Nf5 dc4 14.Bc4=; C4) 10.0-0 Re8 (10...d5 11.Qb3 Bb6 12.cd5 Qd5 13.Qd5 Nd5 14.Nc3=; 10...Qe7 11.Nc3 Rae8 12.Qb3 Rb8 13.d4 Rfe8 14.Nd5=) 11.Nc3 Qe7 12.Nd5 Nd5 13.cd5 Ne5 14.d3=; D) 9...Rc8 D1) 10.Qb3 Rb8 (10...Bb6 11.0-0 Re8 12.Nc3 Na5 13.Qd1 d5 14.cd5=; 10...Qe7 11.Qb5 Bg6 12.0-0 Rb8 13.Nh4 Bc2 14.Qg5=) 11.0-0 Re8 12.Nc3 Ne5 13.d4 Nf3 14.Bf3=; D2) 10.0-0 Rb8 (10...Qe7 11.Qb3 Rfe8 12.Qb5 Bg6 13.Nh4 Be4 14.d3+=; 10...Re8 11.Qb3 Rb8 12.Qb5 Bg4 13.h3 Bd7 14.Qg5=) 11.d4 Re8 12.Nc3 a6 13.Rc1 Bc3 14.Bc3=; E) 9...Qe7 E1) 10.0-0 Rfe8 (10...Rae8 11.Qb3 Bb6 12.d4 a6 13.Nc3 Na5 14.Qd1=; 10...Rab8 11.Nc3 Rfe8 12.Nd5 Nd5 13.cd5 Ne5 14.Ne5=) 11.Qb3 Rab8 12.Qb5 Bg4 13.Qg5 Ne5 14.Be5=; E2) 10.Qb3 Rfe8 (10...Rab8 11.0-0 Ne4 12.d3 Nc5 13.Qc2 Ne5 14.Ne5=; 10...Rfb8 11.Qb5 Bg6 12.Qg5 Nd7 13.Qe7 Ne7 14.Bc3=) 11.0-0 Rab8 12.Qb5 Bg6 13.Qg5 Ne4 14.Qe7=; E3) 10.Nc3 Ne5 (10...Rfe8 11.Qb3 Ne4 12.Ne4 Be4 13.0-0 Ne5 14.Ne5=; 10...Rab8 11.0-0 Rfe8 12.Nd5 Nd5 13.cd5 Ne5 14.Ne5=) 11.d3 d5 12.0-0 dc4 13.dc4 Nf3 14.Bf3=.

9.Qb3 A) 9...Re8 A1) 10.Qb5 Bg6 (10...Bd7 11.Qg5 Re6 12.0-0 h6 13.Qh4 Qe7 14.Nc3=; 10...Bc2 11.0-0 Rb8 12.Qg5 Re6 13.d3 h6 14.Qh4+=) 11.0-0 Rb8 12.d3 Nd7 13.Qd5 Nc5 14.a3=+; A2) 10.Qb7 Nb4 (10...Rb8 11.Qc6 Rb2 12.0-0 Qb8 13.Qa6 Qb6 14.Qb6=) 11.Nd4 Rb8 12.Qf3 Be4 13.Qf4 c5 14.Na3–+; A3) 10.Nc3 Nb4 (10...Rb8 11.0-0 Ne5 12.d4 Nf3 13.Bf3 c6 14.Rad1=; 10...Qd7 11.0-0 Rab8 12.d3 Ne5 13.Rfd1 Qe7 14.Rab1=) 11.Nd4 Nd3 12.Bd3 Bd3 13.Nd1 Be4 14.f3=+; A4) 10.0-0 Rb8 (10...Bb6 11.Nc3 Qe7 12.d4 a6 13.d5 Nd8 14.Rae1=; 10...Qe7 11.Qb5 Bg6 12.Nh4 Be4 13.d3 a6 14.Qg5+=) 11.Nc3 Ne5 12.d4 Nf3 13.Bf3 c6 14.Rad1=; B) 9...Bb6 B1) 10.0-0 Rb8 (10...Re8 11.Nc3 Qe7 12.d4 Na5 13.Qb5 Bd7 14.Qg5=; 10...Qe7 11.Qb5 Bg4 12.h3 Be6 13.Qg5 Ne8 14.Qe7+=) 11.d4 Re8 12.Nc3 Ba5 13.Qb5 Bd7 14.d5=; B2) 10.d3 Re8 (10...Rb8 11.0-0 Re8 12.Nc3 Qe7 13.d4 Na5 14.Qb5=; 10...a6 11.0-0 Re8 12.Nc3 Rb8 13.Nd5 Nd5 14.cd5=) 11.0-0 d5 12.cd5 Nd5 13.Nc3 Be6 14.Nd5=; B3) 10.d4 Re8 (10...Qe7 11.0-0 Rae8 12.Nc3 Na5 13.Qb5 Bg4 14.Rfb1=; 10...Rb8 11.0-0 Re8 12.Nc3 Qe7 13.Qb5 Bg6 14.Rad1=) 11.0-0 Na5 12.Qa3 Qe7 13.Bd3 Bd3 14.Qd3=; B4) 10.Nc3 Na5 (10...Ne5 11.0-0 Bg4 12.Ng5 Be2 13.Ne2 Nh5 14.Nh3=; 10...Re8 11.0-0 Qe7 12.d4 Qd7 13.Rfd1 Qe7 14.Qb5=) 11.Qa4 Re8 12.0-0 Nc6 13.d4 Qe7 14.Qb5=; C) 9...Rb8 10.0-0 Re8 (10...Ne4 11.d3 Nc5 12.Qd1 b5 13.Na3 a6 14.cb5+=; 10...a6 11.Nc3 Re8 12.d3 Ne5 13.Rfd1 b5 14.cb5=) 11.Nc3 Ne5 12.d4 Nf3 13.Bf3 c6 14.Rad1=; D) 9...Qe7 D1) 10.0-0 Rfb8 (10...Rfe8 11.Qb5 Bg6 12.Nh4 Be4 13.d3 a6 14.Qg5+=; 10...Rab8 11.Qb5 Bg6 12.Qg5 Ne4 13.Qe7 Ne7 14.a3=) 11.Qb5 Bg6 12.Qg5 Ne4 13.Qe7 Ne7 14.d4=; D2) 10.Nc3 Rab8 (10...Nb4 11.0-0 Bc2 12.Qa3 b6 13.Nd4 Bg6 14.Qb3=; 10...Ne5 11.Qb7 Rfb8 12.Qa6 Bc3 13.Bc3 Nd3 14.Bd3=) 11.0-0 Rfe8 12.Nd5 Nd5 13.cd5 Ne5 14.Nd4=; D3) 10.Qb5 Be4 (10...Bg6 11.0-0 Ne4 12.Qb7 Rab8 13.Qc6 Rb2 14.Qa6=; 10...Bc2 11.0-0 Rfb8 12.Qg5 h6 13.Bf6 hg5 14.Be7+=) 11.0-0 Nd7 12.d3 a6 13.Qh5 Bg6 14.Qg4=.

9.Nc3 A) 9...Qe7 A1) 10.Qb3 Rab8 (10...Nb4 11.0-0 Bc2 12.Qa3 b6 13.Nd4 Bg6 14.Qb3=; 10...Bc3 11.Bc3 Ne4 12.0-0 Nc3 13.Qc3 Rae8 14.d4=) 11.0-0 Bc3 12.Qc3 Bg4 13.h3 Bh5 14.d4=; A2) 10.d3 d5 (10...Rfe8 11.0-0 Ne5 12.Nd4 Bd7 13.Nb3 Bb4 14.Nb5=; 10...a6 11.0-0 Rfe8 12.Rb1 Ne5 13.Nd5 Nd5 14.cd5=) 11.0-0 dc4 12.dc4 Bc3 13.Bc3 Ne4 14.Bb2=; A3) 10.Rc1 Ne5 (10...Nb4 11.Qb3 Nd3 12.Bd3 Bd3 13.Nb1 Be4 14.Qb5=; 10...Rfe8 11.0-0 Ne5 12.d3 c6 13.Nd4 Bg6 14.Nb3=) 11.d3 Rfe8 12.0-0 c6 13.Nd4 Bg6 14.Nb3=; A4) 10.d4 Ne4 (10...a6 11.0-0 Rae8 12.Nd5 Nd5 13.cd5 Nd8 14.Qa4=; 10...Rfe8 11.0-0 Rab8 12.Nd5 Qd8 13.Nf6 Qf6 14.Qb3=) 11.Qb3 Rfe8 12.0-0 Bc3 13.Bc3 a5 14.Rac1=; A5) 10.0-0 Rfe8 (10...a6 11.Qb3 Rfb8 12.Nd5 Nd5 13.cd5 Ne5 14.Nd4=; 10...Rab8 11.d3 Rfe8 12.Rb1 Ne5 13.Nd4 Bg6 14.Nb3=) 11.d3 Ne5 12.Nd4 Bd7 13.Nb3 Bc3 14.Bc3=; B) 9...Qd7 B1) 10.d3 d5 11.0-0 dc4 12.dc4 Rad8 13.Qb3 Qe6 14.Nb5=; B2) 10.Qb3 Rfe8 (10...Rab8 11.0-0 Rfe8 12.d3 Ne5 13.Rfd1 Qe7 14.Rab1=; 10...Ne5 11.0-0 c6 12.Nd4 Bd3 13.f4 Be2 14.Nce2=) 11.0-0 Rab8 12.d3 Ne5 13.Rfd1 Qe7 14.Rab1=; B3) 10.d4 Ne4 (10...Rae8 11.0-0 a6 12.Nh4 Bc3 13.Bc3 Bg4 14.Bg4=; 10...Rfe8 11.0-0 a6 12.Nh4 Bc3 13.Bc3 Ne4 14.Bb2+=) 11.Qb3 Rab8 12.0-0 Bc3 13.Bc3 Rfe8 14.Rad1=; B4) 10.0-0 Rfe8 (10...Rab8 11.d3 Qe7 12.e4 Bd7 13.Nd5 Nd5 14.cd5=; 10...Rae8 11.Qb3 Bc3 12.Qc3 b6 13.Qa3 Ne4 14.d3+=) 11.d4 a6 12.Nh4 Bc3 13.Bc3 Bg4 14.Bg4=; C) 9...Re8 C1) 10.Qb3 Nb4 (10...Rb8 11.0-0 Ne5 12.d4 Nf3 13.Bf3 c6 14.Rfd1=; 10...Qd7 11.0-0 Rab8 12.d3 Ne5 13.Rfd1 Qe7 14.Rab1=) 11.Nd4 Nd3 12.Bd3 Bd3 13.Nd1 Be4 14.f3=+; C2) 10.d3 d5 (10...Rb8 11.0-0 Qe7 12.Rb1 Ne5 13.Nd4 Bg6 14.Nb3=; 10...Qe7 11.0-0 Ne5 12.Nd4 Bg6 13.Nb3 Bc3 14.Bc3=) 11.0-0 d4 12.Nd5 Nd5 13.cd5 Qd5 14.Bd4=+; C3) 10.0-0 Rb8 (10...Ne5 11.d3 Qe7 12.Nd4 Bd7 13.Nb3 Bc3 14.Bc3=; 10...Qe7 11.d3 Ne5 12.Nd4 Bg6 13.Nb3 Bc3 14.Bc3=) 11.d4 Qe7 12.Nd5 Qd8 13.Nf6 Qf6 14.Qb3=; D) 9...a6 D1) 10.Qb3 Rb8 (10...b6 11.0-0 Bc3 12.Qc3 Re8 13.d3 Bg4 14.h3+=; 10...Bc3 11.Bc3 Ne4 12.0-0 Re8 13.Bb2 Ne5 14.Qd1=) 11.0-0 Re8 12.d3 Ne5 13.Rfd1 Bc3 14.Bc3=; D2) 10.d4 Ne4 (10...Qd7 11.0-0 Rfe8 12.Nh4 Bc3 13.Bc3 Bg4 14.Bg4=; 10...Re8 11.0-0 Qe7 12.Rc1 Rab8 13.Nd5 Qd8 14.Bd3=) 11.Qb3 b6 12.0-0 Bc3 13.Bc3 Re8 14.Bb2=; D3) 10.0-0 Rb8 (10...Qe7 11.Qb3 Rfb8 12.Nd5 Nd5 13.cd5 Ne5 14.Nd4=; 10...Re8 11.d3 Qe7 12.Rb1 Ne5 13.Nd5 Nd5 14.cd5=) 11.Qb3 Re8 12.d3 Ne5 13.Rfd1 b5 14.cb5=.

10.Qb3 Re8 (10...Ne4 11.d4 Re8 12.Nc3 Bc3 13.Bc3 Qf6 14.Rfd1=; 10...a6 11.d4 Re8 12.Nc3 Ne4 13.Ne4 Be4 14.d5=) 11.Nc3 Ne5 12.d4 Nf3 13.Bf3 c6 14.Rfd1=.

10.Bc3 Re8 (10...d5 11.Ba5 Na5 12.cd5 Nd5 13.d4 Re8 14.Bd3=; 10...Qe7 11.Ba5 Na5 12.d4 Ne4 13.Qe1 b6 14.Nc3=) 11.Ba5 Na5 12.Nc3 c5 13.d4 Nc6 14.d5=.

10.Nc3 Bc3 11.Bc3 (11.dc3 Ne4 12.Qd5 Qf6 13.Bd3 Rfe8 14.Rac1) 11...Ne4 12.Bb2 Nc5 13.Nd4 Nd4 14.Bd4.

10.Nc3 Qd7 11.Qb3 Rfe8 12.d3 Ne5 13.Nd5 b5 14.Ne5.

10.Nc3 Qd7 11.d3 Qe7 12.Nd5 Nd5 13.cd5 Ne5 14.Nd4.

10.Nc3 Qd7 11.d3 Qe7 12.e4 Bd7 13.Nd5 Nd5 14.cd5=.

10.Nc3 Qe7 11.d4 Rfe8 12.Nd5 Qd8 13.Bd3 Bd3 14.Qd3=.

10.Nc3 Re8 11.d3 d5 12.Qb3 Be6 13.Nb5 dc4 14.dc4=.

10.d3 Re8 (10...Qe7 11.Nbd2 Rfe8 12.Nb3 Bb6 13.a4 a6 14.a5=; 10...a6 11.Nc3 Qe7 12.e4 Bd7 13.Nd5 Nd5 14.cd5=) 11.Nbd2 Bb6 12.Nb3 Qe7 13.Rb1 Ne5 14.a4=.

10.d4 Re8 (10...d5 11.Qb3 Bb4 12.Ba3 dc4 13.Bc4 Ba3 14.Na3=; 10...Nb4 11.d5 Re8 12.Nd4 Bg6 13.Nc3 Qd7 14.a3=) 11.Bc3 Ne4 12.Ba5 Na5 13.Qe1 c5 14.Nc3=.

10.h3 Qe7 (10...h6 11.Nc3 Bc3 12.Bc3 Ne4 13.Qb3 Re8 14.d3) 11.Nc3 (11.Qb3 Ne4 12.Nc3 Bc3 13.Bc3 h6 14.Bb2) 11...Bc3 12.Bc3 Ne4 13.Bb2 f6 14.d3.

10.Qa4 a6 (10...Bd7 11.Qb3 Rab8 12.Nc3 Rfe8 13.d4 Bc3 14.Qc3=) 11.d4 Ne4 12.Qb3 Rab8 13.Nc3 Bc3 14.Bc3=.

10.Qb3 Rab8 11.Qb5 Bg6 12.Qg5 Ne4 13.Qe7 Ne7 14.Rd1=.

10.Qb3 Rfb8 11.Qb5 Bg6 12.Nc3 Bc3 13.Bc3 Ne4 14.Qb2=.

10.Qb3 Ne4 11.Nc3 (11.Qb7 Bd7 12.Nd4 Rab8 13.Nc6 Bc6 14.Qc6) 11...Bc3 12.Bc3 b6 13.Rae1 Rfe8 14.h3.

10.Qb3 Rfe8 11.Qb5 Bg6 12.Nh4 Be4 13.d3 a6 14.Qg5+=.

10.Nc3 a6 11.Qb3 Bc3 12.Bc3 Ne4 13.Bb2 Rfe8 14.d3=.

10.Nc3 Rab8 11.d4 Rfe8 12.Nd5 Qd8 13.Qa4 Ne4 14.Rfd1=.

10.Nc3 Bc3 11.Bc3 (11.dc3 Ne4 12.Qd5 Qf6 13.Bd3 Rfe8 14.h3) 11...Ne4 12.Bb2 Nc5 13.d3 Ne5 14.Ne5.

10.Nc3 Rfe8 11.d3 Ne5 12.Nd4 Bd7 13.Nb3 Bc3 14.Bc3=.

10.d3 Rfe8 (10...Rae8 11.Qb3 Bb6 12.Nc3 Na5 13.Qb5 c5 14.Qa4=; 10...Rab8 11.Nbd2 Rfe8 12.Nb3 Bb6 13.a4 a6 14.a5=) 11.Nc3 Ne5 12.e4 Bd7 13.Rb1 Rab8 14.Nd4=.

10.d4 Rae8 (10...Rfe8 11.Nc3 Rab8 12.Nd5 Qd8 13.Bd3 Bd3 14.Qd3=; 10...Ne4 11.d5 Ne5 12.Ne5 de5 13.Bd3 Bg6 14.Ba3=) 11.d5 Ne5 12.Ne5 de5 13.Qb3 Bb4 14.Bc3=.

10.a3 a6 (10...Qe7 11.d4 a6 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2=; 10...Rb8 11.Nc3 d5 12.Nb5 dc4 13.Bc4 Bg4 14.Qb3=) 11.Nc3 Qe7 12.d4 Bc3 13.Bc3 Rab8 14.d5=.

10.Qb3 Bb6 11.Nc3 Qe7 12.d4 Na5 13.Qb5 Be6 14.Rad1=.

10.Qb3 Rb8 11.d3 Nd7 12.d4 a6 13.Nc3 Nb4 14.Rfc1=.

10.Qb3 Bd7 11.d4 Rb8 12.Nc3 Bg4 13.Rfd1 Bc3 14.Bc3=.

10.Qb3= Ne4 11.Nc3 (11.d4 Bb6 12.Qd1 Qf6 13.Nc3 Qh6 14.h3) 11...Nc5 12.Qd1 Ne5 13.d4 Ned3 14.Qc2.

10.Nc3 Bb6 11.Nd5 (11.Qb3 Ne4 12.Ne4 Be4 13.d3 Bf5 14.Bc3) 11...Nd5 12.cd5 Ne5 13.Qb3 Bg4 14.Qd1.

10.Nc3 Rb8 11.d4 Bc3 12.Bc3 Ne4 13.Bb2 Qf6 14.Qb3=.

10.Nc3 Ne5 11.Qb3 Nf3 12.Bf3 c6 13.Ne2 Rb8 14.d3.

10.Nc3 Ne5 11.d3 Qe7 12.Nb5 c5 13.e4 Bd7 14.Ne5=.

10.Nc3 Ne5 11.Nd4 Bg6 12.Nb3 Bb4 13.d4 Nc6 14.Nd5.

10.Nc3 Qe7 11.d4 a6 12.Rc1 Bc3 13.Bc3 Ne4 14.Bd3=.

10.d3 Rb8 (10...Qe7 11.Nc3 Ne5 12.Rb1 c5 13.e4 Bd7 14.Nd2=; 10...a6 11.Nbd2 Qe7 12.Nb3 Bb6 13.Rb1 Rab8 14.Re1=) 11.Nbd2 Bb6 12.Nb3 Qe7 13.Rb1 a6 14.Re1=.

9.a3 A) 9...Bd6 A1) 10.0-0 dc4 (10...Re8 11.d4 dc4 12.Bc4 a6 13.Re1 Qe7 14.Bd3=; 10...Rb8 11.Nc3 dc4 12.Bc4 a6 13.d4 Re8 14.Bd3=) 11.Bc4 Na5 12.Be2 c5 13.Nc3 a6 14.d3=+; A2) 10.cd5 Nd5 11.Qb3 Nb6 12.Qc3 f6 13.Qb3 Rf7 14.d4=; A3) 10.d4 dc4 (10...Rb8 11.Nbd2 Re8 12.0-0 dc4 13.Nc4 Be7 14.Nce5=) 11.Bc4 Na5 12.Bd3 Bd3 13.Qd3 Re8 14.0-0=; B) 9...Be7 10.d4 Qd7 (10...dc4 11.Bc4 a6 12.0-0 Qd6 13.Bd3 Bd3 14.Qd3=; 10...Re8 11.0-0 Qd6 12.Nc3 a6 13.cd5 Nd5 14.Bd3=) 11.Nc3 Rad8 12.Ne5 Qe6 13.Qb3 Ne5 14.de5=.

9.cd5 Nd5 10.0-0 Rb8 11.d3 Re8 12.a3 Bd6 13.Nc3 Nc3 14.Bc3=.

9.cd5 Nd5 10.0-0 Be6 11.Bb5 Na5 12.d4 Bg4 13.Bd3 c6 14.a3=.

9.cd5 Nd5 10.0-0 Re8 11.a3 Bd6 12.Qb3 Nb6 13.h3 Ne5 14.Nc3 Nf3 15.Bf3 c6 16.Rfd1 Qg5 17.Ne2? (better 17.d3!?=) 17...Bh3-/+ 18.Qc3 Bf5 19.Nf4 Be5 20.d4 Bf4 21.ef4 Qf4 22.d5 f6 23.dc6 bc6 24.Bc6 Rac8 25.Be8 Rc3 (worse 25...Re8 26.Rac1+/-) 26.Bc3 h6 27.Rd8 Kh7 28.Bf7?? (28.Rad1 Be4 29.R8d4 Qg4-/+) 28...Be4 (better 28...Qc7 29.Bg8 Kg6 30.Bf6 Kf6 31.Rf8 Kg6-+) 29.Bg8=+ Kg6 30.Rd4 Qf5 31.Re1 Bc6?? (31...Bd5 32.Bd5 Nd5 33.Bd2=+) 32.Bb4 (better 32.Re3!? h5 33.Rg3 Kh6+-) 32...Nd5?? (32...Qg5 33.g3 Qh5 34.Kf1-/+) 33.Bd5?? (better 33.Be6 Qc2 34.Bd5 (34.Rd5?! Bd5 35.Bd5 Qb2 36.Be4 f5+-) 34...Bd5 35.Rd5+-) 33...Bd5=+ 34.Red1 Bc6 35.f3 h5 36.Bf8 Qg5 37.Kf2 h4?? (better 37...Qa5-/+) 38.Rg4+- (38.Rg4 Qg4 39.fg4+-) 1-0. carlos78 (2255) - lorono (2085), Rated Blitz game, lichess.org, 2015.

9.cd5 Nd5 10.0-0 Re8 11.Bb5 Bd6 12.d3 Bd7 13.Nbd2 a6 14.Bc6=.

9.cd5 Nd5 10.a3 Bd6 (10...Bc5 11.0-0 Bd6 12.Nc3 Nc3 13.Bc3 Re8 14.Qb3=; 10...Be7 11.0-0 Qd6 12.Nc3 Rad8 13.d4 Rfe8 14.Nd5=) 11.Qb3 Nb6 12.Qc3 f6 13.0-0 Qd7 14.d4=.

9.cd5 Nd5 10.Nc3 Qd7 (10...Re8 11.0-0 a6 12.a3 Nc3 13.dc3 Bd6 14.Qb3=+; 10...Be6 11.0-0 Qe7 12.Qc2 Rad8 13.a3 Bd6 14.Bd3=) 11.Bb5 a6 12.Ne5 Qd6 13.Bc6 bc6 14.Ne2=+.

10.Na3 c3 (10...a6 11.Nc4 b5 12.a3 (12.Nce5 Ne5 13.Be5= Nd7 14.d4=) 12...bc4 13.ab4 Nb4 14.Bc4=; 10...Re8 11.Nc4 a6 12.d3 b5 13.Nce5 Ne5 14.Ne5=; 10...Qe7 11.Nc4 Rfd8 12.a3 Bd6 13.Qb3 Rab8 14.Nd6=) 11.dc3= Bc5 12.Nd4 (12.Qb3 Rb8 13.Nb5 Qe7 14.c4=) 12...Be4 13.Nc4 Qe7 (13...Bd5 14.Nd2=) 14.Nd2 Bg6 15.Nc6 bc6 16.Nb3 Rfd8 17.Qc1 Rab8 18.Nc5 Qc5 19.c4 Ne4 (19...Qg5 20.f4 Qf5 21.Be5+=) 20.Bd4 Qa5 21.c5 Qa4 22.Bc4 Qb4 23.a3 Qd2 24.Ra2 Qc1 25.Rc1 Ng5 26.f3 Ne6 27.Rd2 (27.Be5 Rd7+-) 27...Nd4 28.ed4 Re8 29.Kf2 Kf8 30.Rc3 f6 31.Rb3 Red8 32.Ke3 Re8 33.Kf4 Bf7 34.Bf7 Kf7 35.Rdb2 Rbd8 36.Rb7 (36.Rd3!?+-) 36...Rd4+= 37.Kg3 Re7 38.Ra7 Rc4 39.Rbb7 (39.Ra5 Re5+=) 39...Rc5= 40.Rc7 Rc7 41.Rc7 Kg6 42.h4 Ra5 43.Rc6 Ra3 44.Rc4 ½–½. Van Rooijen,Peter (1690) – Jenneborg,Seved, TE.2004.P.01701, 2004.

10.Bc4 Na5 11.Be2= a6 12.d3 (12.Nc3 Nc6 13.a3 Bc3 14.dc3 Ne4 15.c4) 12...Nc6 13.Qc2 (13.a3 Be7= (13...Ba5 14.Qc2 Qe7 15.e4) 14.Qc2 Qd7 15.e4; 13.e4 Be6 14.Nbd2 h6 15.Qc2) 13...Qe7 (13...Re8 14.Nbd2= (14.a3 Be7 15.e4) 14...Bd6 15.Nc4; 13...Bd6 14.e4 Bg4 15.Nbd2) 14.a3 (14.e4 Bd7 15.Nbd2) 14...Bd6 (14...Qc5 15.Nc3) 15.Nbd2 (15.e4=) 15...Rfe8 16.Rfe1 Rab8 (16...Be6 17.Nc4=) 17.e4 Bd7 18.g3 (18.d4 Ne4 19.Ne4 Qe4+=) 18...Bc5 (18...Rbd8 19.d4 Ne4 20.d5=) 19.d4 (19.Bf6 gf6 20.Qc3 Bg4+=) 19...Bb6 20.Bd3 h6 21.d5 (21.Nc4 Bg4 22.d5 Bf3 23.dc6 bc6+= (worse 23...Ne4 24.Nb6 cb6 25.Re3+-)) 21...Na5 22.Kg2 (22.Ne5 Bh3+=) 22...Ng4 23.Rf1 Qd6 24.a4 (24.Rac1 Rbc8+=) 24...f6 (24...Rbc8 25.Nb3 Nb3 26.Qb3+=) 25.Ba3+= c5 26.h3 Ne5 27.Ne5 fe5 28.Rab1 Rbc8 29.Be2 (29.Nc4 Nc4 30.Bc4 Re7+=) 29...Re7 (29...Bd8 30.Rfc1 Qg6 31.Nc4 (worse 31.Bc5 b6=+) 31...Ba4 32.Qa4+=) 30.Bb2 Bc7 31.Bc3 (31.Rfc1 Bd8 32.Bc3 Qg6+-) 31...Qg6 32.Nf3 Qd6 (32...Rf8 33.Bd2+-) 33.Rfc1 g5 34.Qd2 b6 35.Ba6 (35.Qc2 Rf8+-) 35...Rf8 36.Qc2 (36.Qe3 Ba4 37.Ba5 ba5 38.Qc5 Ref7+-) 36...Bh3 37.Kh3 Rf3 (37...g4 38.Kg2 (worse 38.Kg4 Qd7 39.Kh4 Rg7 40.Bc8 Rc8 41.Nh2 Bd8 42.Kh5 Qh3) 38...gf3 39.Kf1+-) 38.Ba5 ba5 39.Bc8 (39.Qc5 Qf6 40.Qc7 g4 41.Kg4 Rg3 42.fg3 Qg7 43.Kh4 Rc7 44.Rb8 Kh7 45.Rc7 Qc7+-) 39...Bb6+= 40.Bf5 Ba7 (40...Rb7 41.Qe2 Ra3 42.Qb5+-) 41.Rb2 (41.Qe2 Rf5 42.ef5 Qd5+-) 41...Kg7 (41...Ra3 42.Kg2+-) 42.Qc4 h5 (42...Qf6 43.Kg2 Rf5 44.ef5 Qf5 45.Re1+-) 43.Kg2+- Rf5 (43...Ra3 44.Rh1 Qh6 45.Rd2+-) 44.ef5 Kf6 (44...Qd7 45.Rh1 Qf5 46.Rh5+-) 45.Rh1 Rh7 46.Rb5 (46.f3 Bb6+-) 46...Qc7 47.f3 h4 (47...Qd8+-) 48.gh4 gh4 49.Rh4 Qd7 (49...Rg7 50.Kf1 Rh7+-) 50.Ra5 (50.Ra5 Kg7 51.Ra6+-) 1–0. Van Daatselaar,Jan Bart – Hall,Craig, corr ICCF Jubilee P014 email, 2001.

10.Bc4 Na5 11.Be2= Bd3 12.Ne5 Be2 13.Qe2 Re8 14.f4 Nc6 15.a3.

10.Bc4 Na5 11.Be2= Bd6 12.Nd4 (12.Nc3 c5 13.Rc1 a6 14.d4 Rc8 15.dc5) 12...Bd7 (12...Bg6 13.f4 c5 14.Nb5 Bf5 15.Nd6) 13.Qc2= (13.Nc3 c5 14.Ndb5 Be7 15.Qc2) 13...Nc6 14.Nc6 Bc6 15.Na3.

10.Bc4 Na5 11.Be2 Re8 12.Qa4 Nd5 13.a3 Bd7 14.Qc2=.

10.Bc4 a6 11.a3 b5 12.Be2 Ba5 13.Nc3 Qd6 14.Qb3 Bd3 15.Rac1.

10.Bc4 a6 11.d4 Qd6 12.a3= Ba5 13.Nbd2 (13.d5 Rfd8 14.Qb3 Nd5=+) 13...b5 14.Be2 (14.Be2 Rfe8 15.Nb3=). Schalkwijk,Peter – Zhelezny,Andrey, IECG, 2001.

10.Bc4 a6 11.d4 Bd6 12.Nc3 Qe7 13.Bd3 Bd3 14.Qd3=.

10.Bc4 a6 11.d4= Ne4 12.a3 Bd6 13.Nc3 Qf6 14.Bd5 Rfe8 15.Qb3.

10.Bc4 a6 11.d4 Qe7 12.a3 Bd6 13.d5=.

10.Bc4 Rb8 11.a3 Ba5 12.Nc3 Bd3 13.Bd3 Qd3 14.Rc1 Rbd8 15.Qa4.

10.Bc4 Rb8 11.Nc3 Bd3 12.Bd3 Qd3 13.Ne2 Nd5 14.Qb3 Qe2 15.Qd5.

10.Bc4 Rb8 11.d4 Re8 12.Qb3 Qe7 13.Ba3 b5 14.Be2=.

10.Bc4 Qd6 11.Nc3 (11.a3 Ba5 12.Nc3 a6 13.a4 Ng4 14.Ne2 Rae8 15.Qb3) 11...a6 12.d4 Bc3 13.Bc3 Ne4 14.Bb2 Rad8 15.Nh4.

10.Bc4 h6 11.d4 (11.a3 Bd6 12.Nc3 Re8 13.Qa4 a6 14.Qb3 Qd7 15.Nd5) 11...Qd6 12.Nc3 a6 13.Rc1 Rad8 14.Qe2 Rfe8 15.h3.

9.0-0 Ba5 10.d3 Nc5 11.Nc3 Qf6 12.Na4 Qe7 13.e4 Bd7 14.Nc3.

9.0-0 a6 10.d3 Nc5 11.Nc3 b5 12.Nd4 Nd4 13.ed4 Bc3 14.Bc3.

9.0-0 Nc5 10.Nc3 (10.a3 Ba5 11.Nc3 Qd7 12.Nd5 Ne7 13.Ne7 Qe7 14.Nd4) 10...Qf6 11.a3 Ba5 12.Ra2 Rfe8 13.Nd5 Qh6 14.h3.

9.0-0 Ne5 10.Ne5 (10.Nd4 Bd7= 11.a3 Bc5 12.Qc2 f5 13.f3 Nf6 14.f4; 10.a3 Nf3 11.Bf3 Ba5 12.Nc3 Bc3 13.Bc3 Qg5 14.Bd4) 10...de5 11.Be5 (11.d3 Nc5 12.a3 Ba5 13.Be5 Bd3 14.Bc3) 11...Bd2 (11...Re8!? 12.d4 f6= (12...c5 13.f3 Ng5 14.a3) 13.Bf4 g5 14.Qb3) 12.Nd2+= Nd2 13.Bc7 (13.Re1 c5 14.Bf4) 13...Qd7 14.Re1 Qc7 Exerts pressure on the isolated pawn (14...Rac8 15.Be5+=) 15.Qd2 Rad8 16.Qc3 Rc8 (16...b6 17.Rad1+=) 17.Red1 Rfd8 18.Rd8 (18.Rd4 Be6+-) 18...Rd8 19.Rd1 Rd1 20.Bd1 Qd7 (20...Be6 21.Be2+-) 21.Qd4+- Kf8 (21...b6 22.Bf3+-) 22.Bf3 b6 (22...Qd4 23.ed4 b6 24.Bd5+-) 23.c5 (23.Bd5 Qd6+-) 23...Qd4 24.ed4 bc5 25.dc5 Ke7 26.h4 (26.g4 Be6 27.a3 Kf6+=) 26...Kd7 (26...Ke6 27.Kh2+-) 27.g4 Be6 (27...Bb1 28.Bd5+-) 28.a3 Kc7 (28...h6 29.Kg2+-) 29.g5 g6 (29...Bd7 30.Be4+-) 30.Be4 (30.Kg2 Kd7+-) 30...Bc4 (30...Kd7 31.f4+-) 31.f4 Bb5 (31...Kd7 32.Kf2+-) 32.Bd5 Be8 33.Kf2 a5 (33...Kd7 34.Ke3+-) 34.Ke3 Bc6 (34...Kd7+-) 35.Bf7 (better 35.Bc6 Kc6 36.Kd4 a4+-) 35...Bd7 36.Bg8 Bf5 (36...Kc6 37.Kd4 Be8+-) 37.Bh7 Kc6 38.Kd4 Kb5 39.h5! Ka4 (39...gh5 40.Bf5 Pinning (40.Bf5 Deflection)) 40.Bg6 Be6 41.f5 Bb3 42.c6 Ka3 (42...Ba2 43.c7 Bc4 44.Kc4 Ka3 45.c8Q Ka2 46.Kd3 Ka3 47.Qc3 Ka2 48.Kc2 a4 49.Bf7) 43.c7 a4 (43...Ba4 44.c8Q Bc6 45.Qc6 Kb3 46.Qc1 Ka4 47.Kc5 Kb3 48.f6 a4 49.Bf7) 44.c8Q (44.c8Q Kb2 45.f6 Bd1 46.f7 a3 47.Qc3 Ka2 48.f8Q Bc2 49.Qc2 Ka1 50.Qa3) 1–0. Bonetti,Shane – andreas_s, ICC, 2002.

9.0-0 Qe7 10.d3 Nc5 11.Nc3= Bc3 12.Bc3 Ne5 13.Ne5 de5 14.e4.

9.0-0= Qe7 10.d3 Nc5 11.e4 Bg6 12.Nfd2 f5=+ 13.f3 Qg5 14.Bc3 Qe3–+ 15.Kh1 Nd3 16.Bd3 Qd3 17.Bb4 Nb4 18.Nb3 Qd1 19.Rd1 Nc2 20.Nc3 Na1 21.Na1 fe4 22.fe4 Rae8 (22...Rae8 23.Kg1 Be4–+) 0–1. Hasler,Ulrich – Weingart,R, corr, 1993.

9.0-0 Qe7 10.d3 Nf6 11.Nc3 Rab8 12.Qb3 Bc5 13.d4 Bb6 14.h3.

9.0-0 Re8 10.a3 Ba5 11.d3 Ng5 12.Nbd2 h6 13.Qc2 Ne6 14.Rfe1.

9.0-0 Re8 10.d3 Nc5 11.a3 Ba5 12.Nc3 Qf6 13.Na4 Qe7 14.Nc3.

9.0-0 Re8 10.d4 Qf6 11.Qc1 Qg6 12.Nh4= Qg5 13.Nf5 Qf5 14.Bd3 d5? 15.f3+- Qh5 16.fe4 de4 17.Bc2 Bd6 18.h3 Rad8 19.c5 Bg3 20.Bb3 Re7 21.Nd2 Nb4 22.Ne4! Bh4 23.Qd2 Nd5 24.Bd5 Rd5 25.Nc3 Rg5 26.e4 f5 27.e5 Qg6 28.Nd5 Rd7 29.Nf4 Qc6 30.Rac1 Bg3 31.d5 Bf4 32.Qf4 Qg6 33.Qd2 a6 34.e6 Rd8 35.e7 Re8 36.d6 (36…cd6 37.cd6 Rg2 38.Qg2+-) 1–0. Secula,V – Szabo,M, corr SOK–89–49, 1989.

9.0-0 Ba5 10.Qb3 Ne4 11.d4 d5 12.cd5+/– Nb4 13.Ne5 Nd6 14.Na3 Qg5 15.Nac4 Nc4 16.Qc4 Be4= 17.Nf3 Qd5 18.Qd5 Nd5 19.Rac1 c6 20.Rfd1 h6 21.Nd2 Bf5 ½–½. Bertelsen,Preben – Guindy,Esmat, Norresundby, 1992.

9.0-0 Ba5 10.d4 Qe7 11.Bd3 Bd3 12.Qd3 Ne4 13.Nbd2 f5 14.Nb3 Bb6 15.Nfd2 Rad8 16.Ne4 fe4 17.Qd2 Qh4 18.f3 Rf8 19.fe4 Qe4 20.Rf8 Kf8 21.Rf1 Kg8 22.Qf2 Qe7 23.Bc3 a6 24.Bd2 Rf8 25.Qf8 Qf8 26.Rf8 Kf8 27.Kf2 Nd8 28.c5 Ba7 29.cd6 cd6 30.Kf3 d5 31.e4 Ne6 32.ed5 Nd4 33.Nd4 Bd4 34.Be3 Be5 35.Bc5 Ke8 36.h3 Kd7 37.Ke4 Bg3 38.Bd4 g6 ½–½. Labahn,Wolfgang – Schwarz,M, ABCD–Pokal B–Gruppe, 1981.

9.0-0 a6 10.d4 Ba5 11.Nc3 Bb6 12.Nd5 Nd5 13.cd5 Ne7 14.Qb3 Be4 15.Rfc1 (15.Bc4 Bf3 16.gf3 Ng6=+) 15...Bd5-/+ (15...Nd5?! 16.Bc4 c6 17.Nd2=) 16.Qd1 Rc8 17.Rc2 Bf3 (17...Nc6!?-/+) 18.Bf3=+ Ng6?? (better 18...d5=+) 19.Bb7+- Ra8 (better 19...Rb8!? 20.Ba6 d5+-) 20.Ba8 Qa8 21.Qd3 (21.d5 Bc5+-) 21...Qd8 (21...Qe4 22.Qe4 Re4 23.a4+-) 22.Rac1 (22.Qa6 Qg5+-) 22...Qg5 (22...a5+-) 23.Qe4?? (better 23.Qa6 Nh4 24.Qf1+-) 23...Nh4 (23...Re4 24.g3-+) 24.g3 (24.Qe8) 24...Re4-+ 25.Ba3 (25.Kf1 Qb5 26.Kg1 Re6-+) 25...Re8 26.Rc6 (26.Rc3 Nf3 27.Kg2 Nd2-+) 26...Nf3 27.Kg2 Nd2 (27...Qd5 28.Rc7 Nd4 29.Kh3 Qf5 30.Kg2 Qe4 31.Kg1 Nf3 32.Kf1 Be3 33.Re7 Qe7 34.h4 Bc1 35.Kg2 Qe4 36.Kh3 Qf5 37.g4 Ng1 38.Kh2 Qf2 39.Kh1 Nf3 40.Bc1 Re1) 28.Bd6 (28.h4 Qd5 29.Kh2 Nf1 30.Rf1 Qc6-+) 28...cd6 (28...Qd5 29.Kh3 Re6 30.Bb4 Qf5 31.Kg2 Qe4 32.Kg1 Nf3 33.Kf1 Nd4 34.Kg1 Ne2 35.Kf1 Nc1 36.Rc1 Qh1 37.Ke2 Qc1 38.Bd2-+) 29.Rb6 Qd5 30.Kg1 Nf3 31.Kg2 Nd4 (better 31...Ng5 32.Kg1 Nh3 33.Kf1 Qh1 34.Ke2 Qc1 35.Kf3-+) 32.Kg1 Ne2 33.Kf1 Nc1 34.Rc6 0-1. fishissushi (1920) - dinhnguyen (1935), Rated Bullet game, lichess.org, 2020.

9.0-0 a6 10.d4 d5 11.Nbd2 Rc8 12.a3= Bd2 13.Nd2 dc4 14.Bc4 Na5 15.Ba2 Be6 16.Be6 Re6 17.Rc1 Qd5 18.Rc5+/– Qa2 19.Qc2 Rc6 20.Rc6 bc6 21.Ra1 Qd5 22.e4 Qe6 23.f3 Rb8+/– 24.Rc1 h6 25.Ba1 Rb6 26.Bc3 Nc4+/– 27.Bb4 Nd2 28.Qd2 Qb3 29.Qc3 Qc3 30.Rc3 Ne8 31.Kf2+- f6 32.g3 Kf7 33.h4 h5 34.Ke3 Ke6 35.f4 g6 36.Rc5 Nd6+/– 37.Rc3 Ne8+- 38.e5 Kf5 39.Rc5 Ke6 40.ef6 Nf6+/– 41.Re5 Kf7 42.Kd3 Nd5 43.Kc4 Rb5 44.Re1 Nb6 45.Kd3 Nd5 46.Rc1 a5=+ 47.Be1 Rb3 48.Ke2 Ra3–/+ 49.Rc6 a4 50.Rc5 Ke7?? 51.Rc6 g5 52.Ra6?? Re3 53.Kf1 Re1?? (54.Ke1 gh4 55.gh4 Nf4 56.Ra4 Kd6+-; Better is 53...gf4 54.gf4 a3–/+). Brenner,Sabine – Rehberg,Anja, GER chT b20 Berlin, 1996.

9.0-0 Rb8 10.Nc3= Bc3 11.Bc3 Ne4 12.Bb2 Re7 13.d3+= Nc5 14.d4 Na6 15.d5+/– Na5 16.Nd4 Bd7+/– 17.Nb5 Bb5 18.cb5 Nc5 19.Qc2 b6 20.Bg4 Re8 21.Rad1 Qg5 22.Rd4 h5 23.Bf3+- g6 24.Rf4 f5 25.a3 Re7 26.Rd1 Qh6 27.Bf6 Rf7 28.Bc3 Re8 29.Re1 Nab7 30.h3 Nd7+/– 31.Ra4 a5 32.ba6+- Nbc5 33.Rf4 Na6+/– 34.Ra4 Nac5 35.Ra7 Rc8 36.a4 Qg5 37.a5 ba5 38.Ra5 Re8 39.Rea1+- Ne5 40.Be2 f4 41.Ra8 Ra8 42.Ra8 Kg7 43.Bd4 fe3 44.Be3 Qh4 45.Bc5 dc5 46.Qc5 Qe4 47.Bf1 Qf4 48.Re8+- Nd7 49.Qc3 Qf6 50.Qc2 Qd4+/– 51.Bd3 Ne5+= 52.Bb5 Qd5 53.Qc3 Rf5 54.Qc7 Nf7 55.Qc3 Re5 56.Rc8 Kh7 57.Rc7 Qb5 58.Rf7 Kg8 59.Rc7 Qb1 60.Kh2 Qe4 61.Qb3 Re6 62.g3 Qe1? 63.Qb8+- Re8 64.Qb6 Re6 65.Qa7 Qe5+/– 66.Rb7 h4 67.Qa8 Re8 68.Qa2 Kh8 69.Qf7 hg3 70.Kg2 Qe4 71.Kg3 Qe5 72.Qf4 Qf4 73.Kf4 Rf8 74.Kg5 Rf2= 75.Kg6 Rg2 76.Kh6 Rg7 77.Rb8 Rg8 78.Rb5 Rf8 79.Rb6 Rg8 80.Ra6 Rg7 81.Ra8 Rg8 82.Ra5 Rg7 83.h4 Rh7 84.Kg5 Rg7 85.Kf6 Kh7 86.Rh5 Kg8 87.Rc5 Kh7 88.Rg5 Kh8 89.Rd5 Kh7 90.Rb5 Kh6 91.Rg5 Rc7 92.Kf5 Rc5 93.Kg4 Rc4 94.Kh3 Rc3 95.Rg3 Rg3 96.Kg3 ½–½. WB Zarkov 4.5H – LambChop 8.20, WT–5 SKQ, 1999.

9.0-0 d5 10.d4 +=.

9.0-0 d5 10.cd5 Nd5 11.Bb5 =+.

9.0-0 d5 10.cd5 Nd5 11.Nc3 Nc3 12.dc3 Bc5 13.Qb3 Qd7 14.Rad1 Qe6 15.Bc4 Qh6?? 16.Bf7+- Kh8 17.Be8 Re8 18.Qd5 Be4 19.Qc5 Bf3 20.gf3 g6 21.c4 Kg8 22.Qd5 Kf8 23.Ba3 Ne7 24.Rd4 Kg7 25.Qd7 Rf8 26.Qe7 Rf7 27.Qe5 Kg8 28.Rd8 Rf8 29.Qd5 Kg7 30.Bb2 Rf6 31.Rg8# 1–0. wiking – honor_me, internet, 2009.

9.0-0 d5 10.cd5 Nd5 11.Nc3 Nc3 12.dc3 Bc5 13.Qb3 Be4 14.Qb5 Bd6=+ 15.c4 Re6 16.Ng5 a6?? 17.Ne6+/– Qh4 18.Qh5 Qh5 19.Bh5 fe6 20.Bg4 Rf8? 21.Be6+- Kh8 22.Bd5 (22.Bd5 Re8 23.Rad1+-) 1–0. Buss,Michael – Columbo,Thomas, USCF85CB330, 1985.

9.0-0 d5 10.h3 dc4 11.Bc4 Na5 12.Be2 c6 13.a3 Be7 14.Nc3 h6 15.d4 Qb6 16.Na4 Qb3 17.Qb3 (17.Bc3 Bc2 18.Qc1 Qa4 19.Ba5 Nd5=) 17...Nb3=+ 18.Rad1 (18.Rae1 Be4 19.Bd1 Bf3 20.Bb3 Bd5 21.Bd5 cd5=+) 18...Bc2-/+ 19.Rde1 Nd4 20.Nc3? (20.Bd4 Ba4 Discovered attack; 20.ed4 Ba4 Discovered attack; 20.Nd4 Ba4 Discovered attack) 20...Ne2-+ 21.Ne2 Bd3 22.Nfd4 (22.g4 Nd5-+) 22...c5 23.Nb3 Ne4 24.Nbc1 Bc4 25.f4 (25.Rd1-+) 25...Nd2 (better 25...Bh4!? 26.g3 Ng3 27.Ng3 Bg3 28.Kg2 Be1 29.Re1-+) 26.Rf2 Rad8 27.Ng3 (27.Bc3-+) 27...Bh4 28.Kh2 (28.Nce2 Re3 29.Nf5 Bf2 30.Kf2-+) 28...Bg3 29.Kg3 Ne4 30.Kf3 Nf2 31.Kf2 (31.Bg7 Rd2 32.Bc3 Rc2-+) 31...Rd2 32.Kg3 (32.Re2 Be2 33.Bc3 Rd3 34.Nd3 Bd3-+) 32…Rb2 0-1. retiponziani (1960) - Sacrifice (2390), ChessWorld.net, 2018.

9.0-0 Ne4 10.d3 Nc5 11.d4 (11.a3 Ba5=) 11...Ne4 12.Nbd2 (12.d5 Ne5 13.Ne5 de5= (worse is 13...Re5 14.Be5 de5 15.Bd3+/–)) 12...Nd2 (better is 12...Nc3!? 13.Qe1 Na4+=) 13.Nd2= Qg5 (13...Qf6!?=) 14.Nf3+= Qf6 15.Nd2 (15.a3!? Ba5 16.Qb3+=) 15...Qg6 (15...h6 16.Nf3=) 16.Rc1= Bh3 (16...b6 17.Bh5 Qh6 18.Bf3 Bd2 19.Qd2=) 17.Bf3 Bf5 (17...Bd7 18.Nb3 Na5 19.a3 Nb3 20.Qb3+=) 18.a3 (better is 18.Nb3 Na5 19.Na5 Ba5 20.Bc3 Bc3 21.Rc3=) 18...Ba5? (better is 18...Bd2 19.Qd2 h5=) 19.Nb3+- Bb6 20.Bc3?? (20.c5!? dc5 21.dc5 Rad8+-) 20...Bd3? (20...a5 21.d5 Ne5 22.Be5 Re5 23.c5=) 21.Bh5 (better is 21.c5!? Bf1 22.Qf1 (22.cb6?! Bg2 23.Bg2 ab6+=) 22...dc5 23.dc5+-) 21...Qf5= 22.Be2 Be2 23.Qe2 a5 (23...Rad8 24.c5 dc5 25.dc5 Bc5 26.Nc5 Qc5 27.Bf6+/–) 24.a4 (24.c5 Ba7+=) 24...Nb4 (24...g6 25.Rfe1=) 25.Qd2 White prepares the advance d5 25...c5 26.d5 Bd8 ½–½. Lorca Cortada,David (2130) – Molina Wheatley,Emilio (1735), Vilafranca del Penedes ESP, 8th Open, 2014.

9.0-0 Qe7 10.d3 Rad8 11.Nc3 Bg6 (11...d5 12.Nd5 Nd5 13.cd5 Rd5 14.a3=) 12.a3 Ba5 13.Qb3 Qd7 (13...Ne5 14.Ne5 de5 15.Qb7 Bd3 16.Bd3 Rd3 17.Nd5 Nd5 18.cd5=) 14.Rad1 (14.Qb7?? Rb8 15.Qb8 Rb8–+) 14...d5 15.cd5 (15.Qb7? Rb8 16.Qb5 Rb5 17.Nb5 Nh5–+) 15...Nd5 16.Nh4 (16.Nd5 Qd5 17.Qd5 (17.Qb7? Rb8 18.Qa6 Rb6–+) 17...Rd5 18.Nh4+=) 16...Nc3 17.Bc3 Bc3 18.Qc3 Nd4 19.Rfe1? (better is 19.ed4 Re2 20.Ng6 hg6 21.Rde1=) 19...Ne2–+ 20.Re2 Qa4 (20...Bd3?! 21.Red2 Qe7 22.Rd3 Rd3 23.Rd3 Qh4 24.Qc7+=) 21.Red2 Qh4 22.Qc7 Qe7 23.Qc3 Rc8 24.Qb2 Red8 25.h3 h6 26.e4 Qd7 27.Qb3 b6 28.Re1 Qc7 29.Ree2 Qc3 30.Qa4 Rd3 31.Rc2 Qa1 32.Kh2 Qe5 33.g3 Rc2 34.Rc2 Qe4 35.Qa7 Rd1 36.Rc8 Kh7 37.Qa8 Rh1 0–1. Holz auf der Heide,Gerhard (1900) – Kreyssig,Robert (1765), Leipzig VfB op, 2008.

9.0-0 Qe7 10.d4 Be4 11.Nbd2 d5 12.cd5 Nd5 13.Ne4+/– Qe4 14.Bd3 Qe7 15.a3 Bd6 16.Qb3 Nb6 17.e4+- Bf4 18.e5 Rad8 19.a4 Qb4 20.Qc2+- Nd4? 21.Bd4 c6 22.Bh7 Kh8 23.Rfb1 Qe7 24.Bc5 g6 25.Be7 Re7 26.Bg6! fg6 27.Re1 Rde8 28.Qg6 Be5 29.Ne5 (29.Ne5 Re5 30.Qf6 Kg8 31.Re5 Re5 32.Qe5 c5 33.Qe6 Kh7 34.Ra3 Nc4 35.Rg3 Ne3 36.Qh3#) 1–0. Reg_UK (2200) – Sparky10 (1750), ChessWorld.net, 2003.

9.0-0 Qe7 10.d4 Ne4 11.Qb3 a5 12.a3 a4 13.Qd1 Ba5 14.Qa4 Bc3 15.Qb3 Na5 16.Qa2 Bb2 17.Qb2 c5 18.d5 Qf6 19.Qf6 gf6 20.Nh4 Bg6 21.f4 f5 22.Bd3 Nb3 23.Ra2 Ra4?? (better 23...Kg7!?+/-) 24.g4! fg4 25.f5 Bh5 26.Be4?? (better 26.Bc2+-) 26...Re4+= 27.Nc3 Rac4 28.Ne4 Re4 29.f6 Bg6 30.a4 Re3 31.a5 Rh3?? (better 31...Bd3 32.Nf5 Re5 33.Nd6 Rd5+=) 32.a6 ba6 (32...Rh4?? 33.ab7 h6 34.b8Q Kh7 35.Qf8 Rh2 36.Qg7) 33.Ra6 h6 (33...h5 34.Ng6 Nd2 35.Nf4+-) 34.Ng6 fg6 (34...Nd2 35.Ra8 Kh7 36.Nf8 Kh8+-) 35.f7 Kf8 (35...Kh7 36.f8Q Rg3 37.hg3 g5 38.Rd6 c4 39.Rh6) 1-0. carlos78 (2165) - B0N0B0 (2280), Rated Blitz game, lichess.org, 2015.

9.0-0 h6 10.a3 Ba5 11.d4 (11.Nc3 Qe7=) 11...Qe7 12.Nbd2 Rad8 13.h3 (13.Nb3 Bb6=) 13...Bg6 14.Qb3 b6 (14...Rb8 15.Rad1=) 15.Rad1. Janek – Guest658, internet, 2018.

9.0-0 h6 10.Qb3 Qd7 (10...Rb8 11.Nc3 Bc3 12.Qc3=) 11.d4 (11.Bf6 gf6 12.d4 Ba5+-) 11...Ba5 (11...a5 12.d5 Ne5 13.Bd4=) 12.Nc3 (12.d5 Ne5+=) 12...Bb6 13.Rfd1 a6 (13...Qe7 14.d5 Na5 15.Qb4+=) 14.Rac1 Na5 (14...Rab8 15.c5 Ba5 16.cd6 cd6 17.d5+=) 15.Qa3 White prepares c5 15...Be6?? (better 15...Nc6+=) 16.c5+- Ba7 1–0. kovacic (2295) – Rettich (2150), ChessWorld.net, 2015.

9.0-0 h6 10.d4 Ne7 11.Qa4+= c5 12.a3 Ba5 13.Qb3 Ne4= 14.Rd1 Bc7 15.Nc3+= b6 16.Bd3+/– Nc3 17.Qc3 Bd3 18.Rd3 Qc8?? 19.dc5+- f6 20.cd6 (20.cd6 Bd6 21.Rd6+-) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.a3 Ba5 =+.

10.a3 Ba5 11.d4 Nf3 12.Bf3 Be4 (12...c6 13.Nc3 Qb6 14.Na4 Qc7 15.d5 Ne4 16.Qd4 f6 17.dc6 bc6=; 12...Ne4 13.Qb3 c6 14.Be4 Re4 15.f3 Re8 16.e4 Be6 17.Qd3 Bb6=; 12...Rb8 13.Qa4 c6 14.Bc3 Bb6 15.Nd2 Bd3 16.Rfe1 d5 17.c5 Bb5=; 12...Be6 13.Qb3 Rb8 14.d5 Bf5 15.Rd1 Bb6 16.Nc3 Ng4 17.Na4 Re3–+) 13.d5 (13.Be4 Re4 14.Bc3 c6 15.Qa4 Bb6 16.Nd2 Re8 17.Rab1 Qe7=) 13...Bf3 (13...Bg6 14.Qb3 Rb8 15.Nc3 Nd7 16.Na4 Qe7 17.Qb5 b6=) 14.Qf3 Ne4 15.Qg4 Qg5 (15...f6 16.Bd4 Bb6 17.Ra2 Qc8=) 16.Qg5 Ng5 17.Nc3 (17.Rd1 h6=) 17...Ne4 (17...Bc3=) 18.Rfc1 (18.Ne4 Re4 19.Rfc1 Bb6+=) 18...Nc3 (18...Nd2!? 19.Ra2 Nc4=) 19.Bc3+= Bc3 20.Rc3 Re4 (20...b6 21.Kf1+=) 21.f3 (21.c5 Rae8+/–) 21...Re7 22.Kf2 b6 23.a4 a5 24.Rd1 Rae8 25.Rd4 f5 26.g4 fg4 27.Rg4 Re5 28.e4 g6 29.Rc1 R8e7 30.h4 Rf7 31.Ke3 Rfe7 32.Rg5 Kf7 33.Rcg1 Kf6 34.Kd4 Rg5 (34...Re8!?+=) 35.hg5+/– Kg7 36.f4 Rf7 37.Ke3 Kf8 38.Kf3 Ke8 39.Kg4 White plans f5 39...Re7 40.Re1 Kf7 41.e5 Ke8 42.e6 Kf8 43.f5 Re8?? (better is 43...gf5 44.Kf4 Ke8+-) 44.f6 Rc8 (44...Ra8 45.Rh1 Kg8 46.f7 Kf8 47.Rh7+-) 45.Rh1 Kg8 46.Kf4 (46.f7 Kf8 47.Rh7 Ke7 48.f8R Kf8 49.Rh8 Ke7 50.Rc8 c6 51.Rc7 Kf8 52.Rf7 Ke8 53.dc6 Kd8 54.Rd7 Ke8 55.c7 b5 56.c8Q) 46...c6 (46...Rf8 47.Ke4 Rd8 48.f7 Kf8 49.Rh7+-) 47.Ke4 (47.f7 Kf8 48.Rh7 Ke7 49.f8B Kf8 50.Rh8 Ke7 51.Rc8 cd5 52.cd5 b5 53.ab5 a4 54.b6 a3 55.b7 a2 56.Rc7 Ke8 57.b8Q) 47...c5 (47...b5+-) 48.f7 Kg7 (48...Kf8 49.Rh7 Ke7 50.f8B Kf8 51.Rh8 Ke7 52.Rc8 b5 53.cb5 c4 54.b6 c3 55.b7 c2 56.Rc7 Ke8 57.b8Q) 49.Rh7!! 1–0. Kamaletdinov,Farit (1970) – Akopov,Victor (1760), Astrakhan Championship Men, 2011.

10.a3 Ba5 11.Nd4 Bg6 12.Nb3 Bb6? 13.f4+- Nd3 14.Bf6 Qf6 15.f5! Re3 16.de3 Be3 17.Kh1 Nf2 18.Rf2! Bf2 19.fg6 hg6 20.N1d2 1–0. orane – UmbaMumuba, caissa.com, 2006.

10.Qb3 c5 11.a3 Ba5 12.d4 (12.Qb7? Rb8 13.Qa7 Re7 14.Qb8 Qb8-+) 12...Ng6 13.Bd3 (13.Rd1 Qe7=) 13...Bd3 14.Qd3 b6 (14...cd4 15.Qd4 Re4 16.Qd3=) 15.Nc3 (15.Rd1 cd4 16.Bd4 Rc8=) 15...Qd7 (15...cd4 16.Qd4 Bc3 17.Bc3=) 16.Rfd1 Rad8 17.Ng5 (17.dc5 Bc3 18.Qc3 bc5+=) 17...Qg4 18.Nf3 Bc3 19.Qc3 Ne4 20.Qe1 Nh4 21.Nh4 Qh4 22.f3 (22.Rac1!?=) 22...Qe1=+ 23.Re1 Nd2 24.dc5 (24.Rac1 cd4 25.Bd4 Rc8=+) 24...Nc4-/+ 25.Bc1 (better 25.cb6!? Nb2 26.ba7-/+) 25...dc5-+ 26.e4 Rd3 27.a4 f5! 28.Ra2 (28.ef5 Re5 Double attack (28...Re1 Pinning; 28...Re1 Deflection; 28...Re5 Decoy)) 28...fe4 29.fe4 Rd4 30.Rae2 Nd6 (better 30...Ne5-+) 31.e5-/+ Nb7 32.Ra2 c4 (32...Kf7 33.Bd2-+) 33.Bb2 (33.Ba3 a6-/+) 33...Rd5 34.Bc3 Nc5 35.h3 Nd3 (35...Kf7 36.Rf1 Ke6 37.Rf4-+) 36.Re3 (better 36.Re4 Rc5 37.e6-+) 36...Ne5?? (better 36...Kf7-+) 37.Rae2= Rd1 38.Kh2 Rc1 (38...Rd3!? 39.Be5 a6=) 39.Re5 Re5 40.Be5 Kf7 41.Re4 c3? (better 41...g5+/-) 42.Rc4+- c2 43.Kg3 Ke6 (43...Re1 44.Bb2+-) 44.Bg7 Kd5 45.Rc7 Ra1 (45...a6 46.Bb2 Rb1 47.Rc2+-) 46.Bh6 (better 46.Ba1 a6 47.Rc2+-) 46...Ra4 47.Rc2 b5 48.Bf8 b4 49.Rb2 (better 49.Rc7!?+-) 49...Kc4 50.Kf4 (50.Re2 b3 51.Re4 Kb5+/-) 50...b3 51.Bg7 (51.Ke3 Ra1+/-) 51...Kd3+= 52.Kg5 (52.Kf3 Rb4+=) 52...Rb4= 53.Kh6 a5 54.Bf8 Rb7 55.Ba3 (55.g4 Kc3 56.Ba3+/-) 55...a4+/- 56.g4 Rc7 57.g5 Rc2?? (better 57...Kc3+-) 58.Kh7 (58.Rc2 Kc2 59.Kh7 Kb1+-) 58...Rb2 (58...Rc4+-) 59.Bb2 Kc2 60.Ba3 b2 61.Bb2! Kb2 62.g6 a3 63.g7 a2 64.g8Q a1Q 65.Qg7 Ka2 66.Qa1 Ka1 67.Kg7 Kb2 68.h4 (68.h4 Kb3 69.Kf6 Kc4 70.Ke5 Kc5 71.h5 Kc4 72.h6 Kc5 73.h7 Kc4 74.Ke4 Kb4 75.h8Q Kb5 76.Kd5 Kb6 77.Qb8 Ka5 78.Kc5 Ka4 79.Qb4) 1-0. fishissushi (1720) - AscendingEndlessly (1700), Rated Rapid game, lichess.org, 2019.

10.Qb3 Nc6 =.

10.Qb3 Nf3 11.Bf3 a5 (11...Bc5 12.Nc3= (12.Qb7? Rb8–+)) 12.a3 Bc5 13.Nc3 (< 13.Bb7 Rb8 14.Bf6 Qf6–/+; 13.Qb7? Rb8 14.Qa6 Rb2 15.Qa5 Bd3–+) 13...c6 14.d4 (< 14.Qb7 Rb8 15.Qc6 Bd7–+) 14...Bb6 15.Rfe1 Ne4 16.Be4 Be4 17.c5 Bc7 (17...dc5!? 18.dc5 Bc7+=) 18.Ne4+/– Re4 19.Qb7 Rb8 20.Qc6 d5 (20...Re6 21.Reb1+/–) 21.Rab1 Re6 22.Qa4 Qh4 23.h3 Rg6 24.Qd7 Bg3 25.fg3 Qg3 26.Qd5 Qh3 27.Bc1 Re8 28.Rb7 Qg3 29.Qf7 (29...Kh8 30.Qe8) 1–0. orane (2100) – KHUFU (2590), Live Game Caissa's Web, 2004.

10.d4 Ng6 11.Nbd2 Bd2 12.Nd2 d5 13.cd5 Qd5 14.Bf3 Ne4 (14...Qe6 15.d5 Qd6 16.Nc4+=) 15.Ne4 (better 15.g4!? Bd7 16.Ne4 Re4 17.Bc1+/-) 15...Be4= 16.Be4 Re4 (16...Qe4 17.Qb1=) 17.Qc2 (17.Qb3 Ne7=) 17...Rae8 18.Rac1 (18.Qb3 c6+=) 18...c6 19.a4 (19.Qc4 Qg5 20.Qc5 Qc5 21.dc5 f5=) 19...Qg5 (19...Nh4 20.Qc5 Rd4 21.Qd5 Rd5 22.Rfd1-/+) 20.g3 (20.Qc5 Rg4 21.Qg5 Rg5=) 20...Nh4=+ 21.Kh1 Nf3 22.Qe2?? (better 22.Qd1 Qf5 23.Kg2=+) 22...Qh5-+ 23.Rfe1 (23.Qf3 Qf3 24.Kg1-+) 23…Qh2 0-1. cucosant2 - Matt_Edwards (1910), Casual Bullet game, lichess.org, 2020.

10.Ne5 de5=+ 11.Qb3 Ba5 (11...a5 12.a3 Bd6 13.Nc3=+ (13.Qb7? Rb8 14.Qa7 Rb2 15.Qa5 Qa8 16.Qa8 Ra8-+)) 12.Qb7= Rb8 13.Qa7 Rb2 The pressure on the backward pawn d2 grows (13...Bd2!? 14.Be5 Re5 15.Nd2 Ra8=) 14.Qa5+/- Bb1 15.Rab1 (better 15.Rfb1!? Rd2 16.Rd1 Rd1 17.Rd1+/-) 15...Qd2= 16.Bf3?? (better 16.Qd2 Rd2 17.Rfe1 Ra2 18.Rb7=) 16...Qa5-+ 17.Rb2 e4 (17...Qc3 18.Rfb1-+) 18.Be2 Qc3 19.Rfb1 Rd8 (19...Kf8 20.Rb3 Qa5 21.R3b2-+) 20.h3 (20.Rb8 Qd2-+) 20...h6 21.Bf1 Rd2 22.Rb3 (22.Rd2 Qd2 23.Rb8 Kh7-+) 22...Qc2 (22...Qe5 23.Re1-+) 23.Rb8 (23.a4 Rf2 24.a5 Rf5-+) 23...Kh7 24.R8b2 (24.a4 Nd7 25.R8b2 Qb2 26.Rb2 Rb2-+) 24...Qb2 25.Rb2 Rb2 26.a4 Ra2 27.g3 (27.f3 Ra4 28.Kf2 c5-+) 27...Ra4 28.Bg2 (28.Be2 Kg6-+) 28...Rc4 29.f3 ef3 30.Bf3 Rc1 31.Kf2 c5 32.Ke2 (32.g4 c4 33.e4 Nd7-+) 32...c4 33.Kd2 (33.e4 c3 34.e5 Nd7-+) 33...Rf1 (better 33...Rg1-+) 34.Be4 (34.Bc6-+) 34...Ne4 35.Kc2 (35.Ke2 Rf2 36.Ke1 c3 37.Kd1 Nc5 38.Kc1 Nd3 39.Kb1 Nb4 40.Kc1 Rf1) 35...c3 (35...Rf2 36.Kb1 c3 37.Kc1 Nc5 38.e4 Nd3 39.Kb1 Nb4 40.Kc1 Rf1) 36.Kb3 Rf2 37.Kc4 (37.Kb4 c2 38.Ka4 c1Q 39.g4 Rb2 40.g5 Qa1) 37...c2 38.Kd4 (38.Kb4 c1Q 39.Ka4 Rb2 40.g4 Qa1) 38...c1Q 39.Ke4 (39.g4 Qc5 40.Ke4 f6 41.Kd3 Qc2 42.Kd4 Rd2) 39...Qc4 40.Ke5 Qc5 (40...Rd2 41.e4 g5 42.g4 Qe6) 41.Ke4 Rf6 (41...f5 42.Kd3 Rc2 43.e4 Qc3) 42.Kd3 Qf5 (42...Rd6 43.Ke2 Qc2 44.Kf3 Rf6 45.Kg4 Qe4 46.Kh5 Rf5) 43.Ke2 (43.e4 Rd6 44.Kc4 Qe4 45.Kb5 Qd4 46.Ka5 Qc4 47.g4 Ra6) 43...Qf3 (43...Qc2 44.Ke1 Qg2 45.e4 Rf1) 44.Kd3 Rd6 45.Kc4 Qf2 (45...Qb7 46.Kc5 Qc7 47.Kb4 Rb6 48.Ka4 Qa7) 46.Kc5 (46.Kb3 Qe3 47.Kc4 Qd4 48.Kb3 Rb6 49.Kc2 Rb2 50.Kc1 Qd2) 46...Qd2 (46...Rd1 47.Kb6 Qb2 48.Kc6 Qc3 49.Kb5 Rb1 50.Ka4 Qb4) 47.Kc4 (47.Kb5 Qd5 48.Kb4 Rb6 49.Kc3 Rb3 50.Kc2 Qd3 51.Kc1 Rb1) 47...Rd3 48.Kc5 (48.Kb5 Qb2 49.Kc6 Qc1 50.Kb5 Rb3 51.Ka4 Qa3) 48...Rc3 49.Kb5 Qc2 (49...Qb2 50.Ka4 Ra3) 50.Kb6 (50.Ka5 Rb3 51.e4 Qa2) 50...Qb2 51.Ka5 Ra3 0-1. fishissushi (1835) - egmengayret (1855), Rated Bullet game, lichess.org, 2019.

11.Bf3 c6 12.a3 Ba5 13.Nc3 Bc7 14.Re1 Rb8 (14...Ba5 15.Rf1=) 15.e4+= Bd7 16.Bc1 Ba5 17.Bd2 Qc8 (17...Be6 18.Qe2=) 18.g3 (18.Rc1 Be6+-) 18...Bh3 19.Bg2 (better 19.Qc2!?+=) 19...Bc3 20.Bc3 h6 (20...Bg2!? 21.e5 Ne4 22.Kg2 Qf5=+) 21.Qc2 (21.e5!? Bg2 22.Kg2 de5 23.de5+=) 21...Bg2= 22.Kg2 Nh7 (22...d5 23.e5 Ne4 24.cd5 cd5 25.Rac1=) 23.f4+- White plans e5 23...Qg4 24.h3 Qd7 25.d5 c5 (25...Rbc8 26.Qd3+=) 26.Rab1 (26.a4 f6+-) 26...b6 (26...b5 27.Qe2 a6 28.e5+-) 27.e5 Nf8 (27...b5 28.Qa2+-) 28.g4 (28.a4 h5+-) 28...Rbd8 (28...b5 29.f5 de5 30.Be5+=) 29.Rbd1 Qb7 30.Kg3 Qa6 31.Qb3 Qc8 32.Qb2 Qd7 33.Qc2 Qc8 34.Qa4 Qd7 (better 34...de5 35.fe5 a6+-) 35.Qc2 (35.Qd7 Rd7 36.a4 de5 37.fe5 Rb8+-) 35...Qc7 (better 35...Qc8!?=) 36.Qf2 Qd7 37.Qc2 Qc7 38.Qg2 ½–½. mr5reasons1 (1770) – just_william (1685), gameknot.com, 2018.

11.Bf3 c6 12.a4 Ba5 13.Ba3 d5 14.Qc2?? (better 14.Qb3 Rb8 15.cd5 Nd5 16.Rc1=+) 14…Bc2-+ 0-1. cucosant2 (1820) - bauqcsm (1950), Casual Blitz game, lichess.org, 2021.

11.Bf3 c6 12.Qb3 Ba5 13.Rd1 = (worse is 13.Qb7 Rb8 14.Qa7 Rb2–/+).

11.Bf3 d5 12.Qb3+= Qe7 13.cd5 (13.Bd5?! Nd5 14.cd5 a5+=) 13...Bd6 14.Nd2 (worse is 14.Qb7 Rab8 15.Qa7 Rb2–/+) 14...Ne4 15.Ne4 Be4 16.Be4 (16.Qb7 Bf3 17.gf3 Rab8–+) 16...Qe4 17.Ba3 (17.Rab1 a5+/–) 17...Ba3+= 18.Qa3 Qd5 19.Rfc1 c6 20.Rc5 Qe4 21.h3 Re6 22.Rac1 h6 23.Qb4 Re7 24.Rc6?? (better is 24.Qb1=) 24...bc6–+ 0–1. madik (1625) – vlladimir (1660), gameknot.com, 2014.

11.Bf3 Be4 12.Nc3 Bf3 13.Qf3 c6 14.Rfd1 Qd7 15.h3 (15.d5 Bc3 16.Bc3 Ne4=) 15...Rac8 16.a4 a5 (16...b6 17.Na2 Ba5 18.d5=) 17.Rd3 d5 18.c5 Ne4 19.Qd1 f5 (19...Rcd8 20.Rb1=) 20.Ne2 (20.Na2 Ra8+=) 20...Re7 (20...b6!? 21.cb6 Rb8=) 21.Ba3+= Ba3 22.Raa3 Rf8 23.f3 (23.Rab3 g5+=) 23...Nf6 24.Rdb3 Rfe8 25.Qe1 Qc7 26.Qh4 h6 (26...Qd7 27.Ng3+=) 27.Qf4 (better is 27.Ng3!? g5 28.Qh6 Qg3 29.Qf6=) 27...Qf4= 28.Nf4 Kf7 29.Nd3 g5 30.Ne5 Kg7 31.Ra2 Rc7 32.Rab2 Ree7 33.Kf2 Nh7 34.Re2 (34.g4 fg4 35.hg4 Nf8+/–) 34...Nf8+= 35.e4 (better is 35.g3!?+=) 35...fe4 36.fe4 de4 (better is 36...Ne6!? 37.Nf3 Nf4–/+) 37.Re4+= Ng6 38.Rbe3 Ne5 39.Re5 (worse is 39.de5 Rcd7–/+) 39...Re5 40.Re5 Rd7 41.Ke3 Kf6 42.Ke4 Rd8 43.g4 Rd7 44.Re8 Rf7 45.d5 cd5 46.Kd5 Rd7 47.Kc4 Rd1 48.Rh8 (48.Kb5 Rd3+/–) 48...Kg6 (48...Rb1 49.Rh6 Ke5 50.Kd3+=) 49.Rb8 (49.Kb5!?+/–) 49...Rb1+= 50.Kd5 Rb4 51.Kd6 Rd4 (51...Kf6 52.Rf8 Kg7 53.Ra8 Ra4 54.Ra7+=) 52.Kc7 Rc4 53.Kb6 Ra4 54.Ra8 Rb4 55.Ka5 Rb1 56.Rd8 Rb3 57.Rd6 Kg7 58.Rb6 Ra3 59.Kb4 Rh3 (59...Ra7 60.Kb5+/–) 60.Rb7 Kg6 (better is 60...Kf6!? 61.c6 Rh1+/–) 61.c6+- Rh1 62.Rb5 Rc1 63.Rc5 Rb1 64.Kc4 Rb8 65.c7 Rc8 66.Rc6 Kh7 67.Kc5 1–0. Krivoshapko,Alexander (2055) – Eprikov,Ivan (1775), Omsk op, 2008.

11.Bf3 Be4 12.Nc3 Bf3 13.Qf3 Qe7 14.Qb7+- Rab8 15.Qa7 Bc3 16.Bc3 Ne4 (16...Ra8 17.Qb7 Rab8 18.Qc6+-) 17.Ba5+- Ra8 18.Qc7 Qc7 19.Bc7 Rec8 20.f3 Rc7 (20...Nd2!? 21.Bd6 Nf1 22.Kf1 Rc4+-) 21.fe4+- Rc4 22.Rac1 Rca4 23.Rc7 f6 (23...Rf8 24.Rf2+-) 24.Rb1 Ra2 25.Rbb7 Ra1 (25...Re2 26.Rg7 Kf8 27.Rbf7 Ke8 28.h4 Re3 29.Rb7+-) 26.Kf2 R8a2 (26...g5 27.Rg7 Kh8 28.Rh7 Kg8 29.Rhd7+-) 27.Kg3 Rg1 (27...h5 28.Rg7 Kh8+-) 28.Rb8 1–0. Pierre – Moryak, internet, 2019.

11.Bf3 Be4 12.Be4 Ne4 13.f3 Nf6=.

8.Nc3 Ne5 9.Be2 Bf3 10.gf3 Re8 11.0-0 Re6 12.f4 Nc6 13.f5 Re8 (13...Re5 14.Qc2=) 14.Kh1 (14.Nd5 Nd5 15.cd5 Ne5=) 14...Ne4 (better 14...Bc3!? 15.Bc3 Ne4=+) 15.Ne4+= Re4 16.Rg1 f6 17.Rg3 d5 (17...Kh8 18.Qb3 Qd7 19.d4+/-) 18.Bf3+/- Rc4 19.d3 (19.Bf6 Qf6 20.Bd5 Kh8 21.Bc4 Bd2+/-) 19...Rc5 20.a3 Bc3 21.Rc1 d4 22.Qb3 Kh8 23.e4?? (better 23.Bc3 dc3 24.d4 (24.Qb7?! Rb8 25.Qa6 Rb6+=) 24...Nd4 25.ed4 Qd4 26.Rcg1+- (worse 26.Qb7 Rf8+-)) 23...b6 (23...Qg8 24.Qg8 Rg8 25.Rc2-/+) 24.Rcg1 Qe7 (24...Qg8 25.Qg8 Rg8 26.Bc1=+) 25.Bh5 (25.Rg7 Qg7 26.Rg7 Kg7=+) 25...Ne5 (25...Bb2 26.Rg7 Qg7 27.Rg7 Kg7 28.Qf7 Kh6+=) 26.Bc3 (better 26.Rg7!? Qf8 27.Bc3 Rc3 28.Qe6=) 26...Rc3-/+ (26...dc3? 27.d4 Rc6 28.de5+-) 27.f4?? (better 27.Qd5 Qd8 28.Qb5-/+) 27…Rb3-+ (27...Rb3 28.fe5 fe5-+) 0-1. BSab (1705) - MILAD1990 (1985), Rated Blitz game, lichess.org, 2014.

8.Be2 a6 9.h3 Bh5 10.Nc3 Qd7 11.a4 Rfe8 12.Nd5 Nd5 13.cd5 Na5 14.Nd4 Be2 15.Qe2 c6 (15...c5 16.dc6 bc6 17.0-0=) 16.dc6 (16.Qd3 c5=) 16...Nc6 (16...bc6 17.0-0=) 17.Nc6 (17.0-0 Nd4 18.Bd4 Rac8=) 17...bc6 (17...Qc6? 18.Qg4 f6 19.Qb4 Qg2 20.Rf1+-) 18.Qh5 (18.0-0 d5=) 18...c5 (18...Rab8 19.Rd1=+) 19.Qg5= f6 (19...f5 20.0-0=) 20.Bf6 Qf7 21.Bb2 Rf8 (21...Re6 22.Qg4=) 22.0-0+= h6 (22...Rab8 23.Rab1+=) 23.Qg3+/- Bd2 24.Rfd1 (24.Rad1 Ba5 25.Qd6 c4+/-) 24...Bb4 (better 24...Ba5!?=) 25.Rd6+/- c4 (25...Kh7 26.Rad1 Ra7 27.e4+/-) 26.Rh6 (26.Rf6! Qd7 27.Rb6+-) 26...c3+/- 27.Ba3 (27.Bc1 Qf2 28.Qf2 Rf2 29.Ra6 Rg2 30.Kg2 Ra6+/-) 27...Ba3+= 28.Ra3 Rac8 29.Ra1 (29.Ra6? c2 30.Ra1 Rb8-+) 29...c2 (29...Qf2 30.Qf2 Rf2 31.Kf2 gh6+/-) 30.Rc1+/- Qb7 (30...Qf2!? 31.Qf2 Rf2 32.Kf2 gh6+/-) 31.Rg6 (31.Rg6 Qb2 32.Kh2-+). hurvajsmanka (1630) - Capablanca13, Rated Bullet tournament, lichess.org, 2014.

8.Be2 Rb8 9.0-0 d5 10.Nd4 Be2 11.Qe2=.

8.Be2 Rb8 9.0-0 Bf3 10.Bf3 Ne5 11.Be2 d5?? 12.d4?? (better 12.Be5 dc4 13.Bc4+-) 12...Nc4=+ 13.Qb3 a5 (13...Qd6 14.a3 Ba5 15.Bc4=+) 14.a3 Bd6 15.Bc4 dc4 16.Qc4 b5 17.Qe2 Ne4 18.Nd2 Qh4 19.Rfc1?? (better 19.g3 Qe7 20.d5=) 19...Qh2 20.Kf1 Qh1 0-1. fishissushi (1875) - StefanPrintz (1885), Rated Blitz game, lichess.org, 2020.

8.Be2 Rb8 9.0-0 h6 10.d4 Ba5 (10...d5 11.c5=) 11.Nbd2 Bd2 12.Nd2 Be2 13.Qe2 Re8 14.Qd1 (14.d5 Ne5=) 14...Qd7 15.Nf3 Ne7 16.d5 Ng6 (better 16...Ne4!?=) 17.Bf6+/- gf6 18.Nd4 Ne5 19.Qh5 Kh7?? (19...Qg4 20.Qh6 Qg5 21.Qh3 Nc4 22.Rac1+-) 20.Rae1 (better 20.Nf5 Ng4 21.f3+-) 20...Rg8+/- 21.Nf5 Rg6 22.f4 (22.Rc1 Rbg8 23.Kh1 Re8+/-) 22...Nd3 (22...Nc4!? 23.Rf3 Qe8+=) 23.Rd1 Nc5 24.Rf3 Rbg8? (24...Ne4 25.Rh3 Ng5 26.fg5 Qf5 27.Rf1 Qg5 28.Qg5 fg5 29.Rf7 Rg7 30.Rf6=) 25.Rg3 (better 25.Rh3 Rg2 26.Kh1+-) 25...Ne4+/- 26.Rg6 Rg6 27.Nh4 Qh3?? (better 27...Qa4+=) 28.Qf5 (better 28.Qg6! fg6 29.gh3+-) 28...Qe3 29.Kh1 Nf2 (29...Nf2 30.Kg1 Nd1 31.Kh1 Qe1) 0-1. cucosant2 (1750) - birilat (1760), Rated Blitz game, lichess.org, 2020.

8.Be2 Ne4 9.0-0 Qe7 10.d3 White is in command 10...Ng5 11.Ng5 Be2 (11...Qg5?? 12.Bg4 Ne5 13.Be2+-) 12.Qe2 Qg5 13.Nd2 Rae8 14.Nf3 Qf5 15.Nd4 Nd4 16.Bd4 Bc5 17.Bc5 Qc5 18.Qb2 b6 19.Qb5 Qb5 20.cb5 Rc8 21.Rfc1 Rfd8 22.a4 d5 23.Ra2 Kf8 24.Rac2 Rd7 25.Kf1 Ke7 26.Ke2 Kd8 27.Rc6 f6 28.f3 Re7 29.g4 Kd7 30.h4 Re6 31.e4 Rc6 32.Rc6 de4 33.fe4 Re8 34.Ke3 Re6 35.Re6 Ke6 36.d4 Kd6 37.Kd3 g6 38.Kc3 h6 39.Kd3 ½-½. hal1958 – Mosselman, playchess.de, 2003.

8.Be2 Ne4 9.0-0 Re8 10.a3 Bc5 (10...Ba5 11.d3 Nc5 12.Nc3=) 11.Nc3 Nc3 (11...Bf5 12.d4 Bb6 13.Bd3+=) 12.Bc3 Qd7 (12...Bb6 13.Rb1+=) 13.h3+= Bf5 (13...Bh5 14.Rb1+=) 14.Nh4. wiking - Dylan93, internet, 2010.

8.Be2 Ne4 9.0-0 f5 10.h3 Bh5 11.Nd4 Be2 12.Qe2 Nd4 13.Bd4 c5 14.Bb2 Qg5 (14...d5=) 15.d4 (15.d3 Nf6+=) 15...cd4 (15...Rae8 16.a3 Ba5 17.Qd1-/+) 16.Bd4= Rac8 (16...Bc5 17.Nd2=) 17.a3 (17.Ba7!? f4 18.ef4 Qf4 19.a3=) 17...Bc5= 18.Bb2? (18.Nd2 Bd4 19.Ne4 fe4 20.ed4 Rf4=) 18...Rfe8 (18...f4 19.Qd3 Rce8 20.Bc1 fe3 21.fe3 Rf1 22.Qf1 Be3 23.Be3 Qe3 24.Kh2-+) 19.Nd2 (19.Qf3 f4 20.ef4 Qf5=+) 19...f4 (19...Nf2!? 20.Rf2 Re3-+) 20.Ne4=+ Re4 21.Rad1 (21.Qf3!? Rce8 22.Bd4=+) 21...fe3-+ 22.Rd5?? (22.Kh1 Qh4 23.fe3 Re3-+ (23...Rc4?? 24.Qf3 Qe7 25.Qd5 Kh8 26.Rf7+-; worse 23...Be3 24.Rd6 Bh6 25.Qd1+/-)) 22...Qg6 (better 22...ef2 23.Kh2 Re2 24.Rg5 Rb2-+) 23.f3-/+ Re7 24.Bc3 (24.Rfd1!?-/+) 24...Ba3-+ 25.Rfd1 b6 26.R1d4 Bc5 27.Rg4 Qb1 28.Kh2 a5 29.Rdg5 Rcc7 30.Rh5 (30.Bf6 Rf7 31.Bc3 a4-+) 30...a4 31.f4 (31.Rd5-+) 31...Qb3?? (better 31...Ra7-+) 32.Qd3+- h6 (32...Qc3 33.Qh7 Kf8 34.Qf5 Rf7 35.Rh8 Ke7 36.Qe4 Qe5 37.fe5 d5 38.cd5 Rf8 39.d6 Kd8 40.Rf8 Kd7 41.Rg7 Ke6 42.Rf6) 33.Rh6 (33.Qd5 Kf8 34.Qa8 Re8 35.Rf5 Rf7 36.Rf7 Kf7 37.Qb7 Re7 38.Rg7 Ke6 39.Re7 Kf5 40.Qe4) 33...e2 (33...Qc3 34.Qd5 Rf7 35.Qa8 Rf8 36.Rh8 Kh8 37.Qf8 Kh7 38.Rh4 Kg6 39.f5 Kg5 40.Rg4 Kh6 41.Qh8) 34.Qh7 (34.Qd5 Rf7 35.Rg7 Kf8 36.Rh8 Ke7 37.Rf7) 34...Kf8 (34...Kf7 35.Rg7 Ke8 36.Qg8 Kd7 37.Re7 Ke7 38.Rh7) 35.Qh8 Kf7 36.Qg7 (36.Rg7) 36...Ke8+- 37.Rh8?? (37.Re6 Qc3 38.Qg8 Kd7 39.Re7 Ke7 40.Qh7 Kf6 41.Qh8 Ke6 42.Qe8 Re7 43.f5 Kf6 44.Qf8 Rf7 45.Rg6 Ke5 46.Qh8 Kf5 47.Qh5 Ke4 48.Qd5 Ke3 49.Rg3 Kf2 50.Rc3 e1N 51.Qf7 Ke2+-) 37...Kd7 38.Qg6?? (better 38.Qe7! Ke7 39.Rg7 Ke6 40.Re8 Kf5 41.Rg5 Kf4 42.Bd2 Qe3 43.Be3 Be3 44.Rg4 Kf5 45.Re3+-) 38...Kc6 (better 38...Qd1 39.Qf5 Kc6-+) 39.Bf6?? (better 39.Qg8 Qc3 40.Qa8 Rb7 41.Rc8 Rec7 42.Qa4 b5 43.cb5 Rb5 44.Qe4 Kb6 45.Rb8 Ka5 46.Ra8 Ra7 47.Ra7 Ba7 48.Qe2=+) 39...e1Q (39...Bg1 40.Kh1 Bf2 41.Kh2 e1Q 42.Qe8 Re8 43.Re8 Qg1) 40.Be7 Re7 (40...Qg1) 41.Rc8-+ Kb7 42.Rc5 (42.Rc5 Qbe3 43.Qe4 Re4 44.Rg7 Ka6 45.Ra5 ba5 46.Ra7 Ka7 47.g4 Q3d2; 42.Rb8 Kb8 43.Qb1 Qeb1 44.Rg8 Kc7 45.Rc8 Kc8 46.f5 Qg1) 1-0. zomboeb (1655) - yp555 (1605), lichess.org, 2020.

8.Be2 Ne5 9.Ne5 Be2 10.Qe2 de5 11.Be5 Re8 12.Bc3 Ne4?? (better 12...Bc3 13.Nc3 Qe7+=) 13.Bb4+- c5 (13...Qf6 14.Bc3 Qf5 15.0-0+-) 14.Bc3 f5 (14...Rb8 15.0-0+-) 15.0-0 Qh4 16.d3 Ng5 17.Nd2 f4 18.e4 Rf8 19.Nf3 Nh3 (19...Qh5+-) 20.gh3 (20.Kh1 Qh6 21.gh3 Rac8+-) 20...Qh3 21.Kh1 Rf6 (21...Rae8 22.Rg1 Re7 23.Rg5+-) 22.Rg1 (better 22.Bf6 gf6 23.Rg1 Kf7+-) 22...Rh6 (22...Rg6+-) 23.Rg7 Kf8 24.Rag1 Rg6 25.R7g6 (25.Ng5 Rg5 26.R1g5 Rb8 27.Rf5 Ke8 28.Qh5 Qh5 29.Rh5 f3 30.Rhh7 b5 31.Rh8) 25...hg6 26.Rg6 Kf7 27.Rg7 (27.Ng5 Ke7 28.Rg7 Ke8 29.Nh3 Kd8 30.Qh5 f3 31.Qh8) 27...Ke6 28.Ng5 Kd6 29.Nh3 (29.e5 Kc6 30.Qe4 Kb6 31.Qb7) 29...Rg8 (29...Kc6 30.e5 Rd8 31.Qf3 Rd5 32.Qd5 Kb6 33.Qb7) 30.Rg8 (30.e5 Kc6 31.Qf3 Kb6 32.Qb7) 30...b5 (30...f3 31.e5 Kc6 32.Qf3 Kb6 33.Qf6 Kc7 34.Qd6) 31.cb5 (31.e5 Kc7 32.Rg7 Kb6 33.Qf3 b4 34.Qb7 Ka5 35.Qa7) 31...f3 (31...a6 32.e5 Ke6 33.Qg4 Ke7 34.Ng5 ab5 35.Qe6) 32.Qf3 c4 33.Qf6 Kd7 34.Rg7 Kc8 (34...Ke8 35.Qe7) 35.Qf8 1-0. AhmedSultanov (1790) - PAPUKITO123 (1780), lichess.org, 2020.

8.Be2 h6 9.0-0 a6 10.Nc3 d5 (10...Bc3 11.Bc3 Ne4 12.Bb2=) 11.cd5 Nd5 (11...Bc3 12.dc3 Qd5 13.h3 Bf3 14.Bf3+=) 12.Qc2 Nc3 (12...Qd6 13.Nd5 Qd5 14.a3+=) 13.Bc3 (13.dc3 Bc5=) 13...Bc3 14.Qc3 Qd6 (14...Bf5 15.d4=) 15.d4+= Rfe8 (15...a5 16.Rfc1+=) 16.Rab1 b5 (16...Ra7 17.Rfc1+=) 17.Rfc1 Bf5 18.Rb2 Be4 (18...Re6!?+=) 19.Nd2+- Bd5 20.Bd3 Rad8 (20...Ne7 21.e4 Bc6 22.Nf3+-) 21.e4 Be6 22.d5 (22.Qc6?! Qd4 23.Rc3 b4=) 22...Ne5 23.Bf1 (23.Be2 Bg4 24.f3 Qb6 25.Kh1 Bd7+-) 23...Bc8 (23...Bg4 24.Qc7 Qf6 25.Rbc2+-) 24.Qc7 1–0. Domingo,Jordi (1980) – Puzanov,Vasyl (1945), FICGS, 2012.

8.Be2 h6 9.0-0 Rb8 10.d4 d5 11.Nc3 Bc3 (11...Re8 12.Qb3 Be6 13.c5=) 12.Bc3 dc4 13.Bc4 Ne4 14.Bb2 (14.Rc1 Qf6=) 14...a6 (14...Bf3 15.gf3 (worse 15.Qf3 Nd2 16.Qe2 Nf1–/+) 15...Nd6 16.Be2=) 15.Bd3 (15.d5!? Na5 16.Qd4+=) 15...Bf3= 16.Qf3 Nd2 17.Qf5 g6 18.Qh3 Nf1 19.Qh6 Qf6 20.Rf1 Nb4 21.Be4 (21.Bc4 b5 22.Bb3 c5=) 21...Qg7 (21...Na2!? 22.f3 Nb4=+) 22.Qg5 f5 (22...Na2? 23.Qa5+-) 23.Bf3 c6 (23...Qf6 24.Qf6 Rf6 25.a3+=) 24.Ba3+- a5 25.Rb1 Qf6 26.Qf6 Rf6 27.Bb4 ab4 28.Rb4 Ra8 (28...Kf7 29.a4+-) 29.a4 (29.Rb7 Ra2 30.g3 g5+-) 29...b5 30.h4 (better 30.Bd1!?+-) 30...Ra4 (30...ba4 31.Rb2=+) 31.Rb1 Ra5 (31...Rd6 32.Kf1=+) 32.Kf1 (32.Rc1 b4=+) 32...Kf7 33.Rc1 Attacking the backward pawn on c6 33...Ra6 34.d5 (34.Rb1!?=+) 34...cd5–/+ 35.Bd5 Ke7 36.Rb1 Rab6 37.Ke2 Rfd6 38.Bf3 (38.e4 b4–/+) 38...Ke6 (38...b4 39.Rb3–/+) 39.g3 (39.Rb4 Rb8–/+) 39...b4 40.Ke1 (40.Rb3 Rd7–/+) 40...b3 41.Be2 (41.Rb2 Ke5–/+) 41...Kd5 (41...b2 42.Bc4 Ke5 43.Ke2–+) 42.Kd2 (42.Bd3–+) 42...Kc5 (better 42...Ke4!? 43.Ke1 b2–+) 43.Kc3–/+ b2 44.f3? (44.Bc4 Rd8–/+) 44...Rb4 (44...Re6 45.Kd2–+) 45.g4 (better 45.Bd3!?–+) 45...fg4 46.fg4 Rbb6 (46...Re4 47.Bd1–+) 47.Bf3 (47.Bc4 Rd7 48.Bb3 Re7 49.Kb2 Re3 50.Rc1 Kd4 51.Rc4 Ke5–+) 47...Rf6–+ 48.Be2 Rf2 49.Bd3 Rg2 50.h5 gh5 51.gh5 Rh2 (51...Kd5 52.Bf1 Rc6 53.Kb3–/+) 52.Bg6 (better 52.h6!?–/+) 52...Re6–+ 53.Kd3? (better 53.e4 Ra6 54.Kb3–+) 53...Rh3 (better 53...Ra6 54.Ke4 Ra1 55.Rb2 Rb2–+) 54.Rb2=+ Ree3 55.Kc2 (55.Kd2 Reg3 56.Rc2 Kd4=+) 55...Rh2 (55...Ra3 56.Rb8–/+) 56.Kb1=+ Rb2 (56...Rh1!? 57.Ka2 Kd5=+) 57.Kb2= Kc4 58.Bf7 Kb4 59.Kc2 Rf3 60.Bg6 Kc4 61.Kd2 Rh3 62.Ke2 Kc3 63.Kf2 ½–½. tsodikovich (1895) – vigh54, gameknot.com, 2016.

8.h3 Be6 9.a3 Ba5 10.Qc2 (10.Bd3 Re8 11.Qc2 h6 12.0-0 Qe7 13.Nc3 Rad8=) 10...d5 11.Ng5 d4 12.Bd3 h6 13.Ne6 fe6=.

8.h3 Be6 9.Be2 d5=+ 10.cd5 (10.Qc2 Be7 11.0-0 Nb4=+) 10...Nd5 11.0-0 Be7 (11...a6 12.d4 Qf6 13.Bd3=+) 12.Nc3 Ndb4 (12...Nb6 13.d4=) 13.d4= a6 (13...f5 14.a3 Nd5 15.Rb1=) 14.a3 (14.e4 f5 15.d5 fe4 16.dc6 ef3 17.cb7 Qd1 (worse 17...fe2 18.Qe2 Rb8 19.Qe6 Kh8 20.Rad1+-) 18.Bd1 Rab8=) 14...Nd5 15.e4 Nc3 16.Bc3 Bd7 (16...Bf6 17.Qd2 Na7 18.Rfb1+=) 17.d5 (17.Qb3 Rb8+=) 17...Nb8 (17...Na7 18.a4+=) 18.Qc2+- c6 (18...Bc8!?+-) 19.Qb2 f6?? (better 19...cd5 20.ed5 b5+-) 20.Qb7+- Bc5 (20...cd5 21.Qd5 Kh8 22.Qa8+-) 21.Qa8 Qc7 (21...Qe7 22.Rab1 Bd6 23.Bb4+-) 22.Rab1 (22.e5 Re8 23.Bc4 cd5 24.Bd5 Kf8 25.ef6 gf6 26.Bf6 Qb6+-) 22...cd5 (22...Ba3 23.Rb7 Qd8 24.Bc4 cd5 25.Rb8 Qb8 26.Qd5 Kh8 27.Qd7+-) 23.Qd5 Kh8 24.Rfe1 (better 24.Rfc1!? Qd6+-) 24...Ba3 25.Bb4 (25.Ba5 Qc6+-) 25...Bb4 (25...Bc6 26.Qc5 Bb4 27.Rb4+-) 26.Rb4 Bc6 (26...Nc6 27.Rc4 Rc8 28.Rec1+-) 27.Rc1 Bd5 28.Rc7 Be6 (28...Bg8 29.Rbb7 a5 30.Bb5+-) 29.Nd4 (29.Rb6 Bg8 30.Rcb7 Nc6 31.Rc6 f5 32.Ra6 fe4+-) 29...Bg8 (29...Bd7 30.Rb6 Ba4 31.Ra7+-) 30.Rbb7 (30.Rcb7 Nd7 31.Rd7 a5+-) 30...a5 (30...Rd8 31.Nf5 Be6 32.Ng7+-) 31.Rg7 Rc8 (31...Rd8 32.Nf5 h5 33.Bh5+-) 32.Nf5 Nc6 (32...Rd8 33.Bc4 Nd7 34.Rbd7 Rb8 35.Bg8 Rb1 36.Kh2 Rb2 37.Bd5 Rf2 38.Rh7) 33.Nh6 (33.Nh6 Ne5 34.Ng8 Rc1 35.Kh2 Rb1 36.Nf6 Ng4 37.hg4 Rh1 38.Kh1 a4 39.Rh7) 1–0. michaelbuss (2860) – mckenna215 (1810), ChessWorld.net, 2017.

8.h3 Bf5 9.a3 Ba5 10.Be2 (10.Qb3 Re8 11.Be2 Ne4 12.Qb7 Nc5 13.Qc6 Be4–/+) 10...Re8 11.0-0 Qe7 12.Qb3 Rab8 13.Qb5 Bg6=.

8.h3 Bh5 9.a3 Ba5 10.Bd3 Ne5=+ 11.Be2 Nf3 (11...Qe7 12.Nc3=+) 12.Bf3= Bg6 13.0-0 Re8 14.d4 Qd7 15.Bb7? (better 15.Qb3 Rab8 16.Bc3 (16.Bb7? c6-+) 16...Bc3 17.Nc3=) 15...Rab8-+ 16.Ba6? (better 16.Qf3 d5! 17.Bc3 Bc3 18.Nc3 Rb7 19.Nd5 Nd5 20.Qd5 Qd5 21.cd5-+) 16...Rb2 17.Bb5 (17.Qc1 Rc2 18.Qd1 Rb8-+) 17...Rb5 (better 17...c6 18.Qa4 Qc7 19.Bc6-+) 18.cb5 Qb5 19.Nd2 (19.a4 Qg5-+) 19...Rb8 (19...Bd3 20.Rc1-+) 20.Nf3 (20.Qc1-+) 20...Bd3 21.Nd2 Bc3 22.Rc1 Bd2 23.Qd2 Bf1 24.Rf1 Ne4 (better 24...c5!? 25.dc5 dc5 26.Rd1-+) 25.Qc2 c5?? (better 25...Qb7 26.Rc1-+) 26.a4?? (better 26.Qe4 Qb3 27.Qf4=) 26...Qc6 27.dc5 Nc5 28.Rb1 Rb1 29.Qb1 g6 (29...Qb6 30.Qa1-+) 30.Qb8 Kg7 31.Qa7 Na4 32.Qd4 Kh6 (32...Kg8 33.f3-+) 33.Qf6?? (33.Qh4 Kg7 34.Qd4 Kg8-+) 33...Qd5?? (33...Qd7 34.Qd4-+) 34.g4?? (34.Qh4 Kg7 35.Qa4 h6=) 34...Nc3 (better 34...Nc5-+) 35.g5?? (better 35.Qc3 f5 36.Qc8=) 35...Qg5-+ 36.Qg5 Kg5 37.f4 (37.Kh2 Kh4 38.f3 Nd1-+) 37...Kf5 38.Kg2 Ne4 (better 38...Ke4!? 39.f5 gf5 40.Kf2 Nd1 41.Ke2 Ne3 42.Kf2-+) 39.Kf3 f6 (39...Nd2 40.Ke2-+) 40.h4 (40.Ke2 g5 41.fg5 Kg5-+) 40...h5 41.Ke2 g5 (41...Kg4 42.Kd3 Kg3 43.Ke4 f5 44.Kd5 Kh4 45.Kd6-+) 42.hg5 fg5 43.fg5 Ng5 44.Kd3 Ne4 45.Ke2 h4 (better 45...Kg4 46.Kd1 Kf3 47.Kc2-+) 46.Kf1 d5 47.Kg2 Kg4 48.Kh2 Kf3 (48...h3 49.Kh1 Kg3 50.Kg1 h2 51.Kf1 Kf3 52.Ke1 h1Q) 49.Kh3-+ Ke3 50.Kh4 d4 51.Kg4 d3 52.Kh3 d2 53.Kg2 (53.Kh2 d1Q 54.Kh3 Qf1 55.Kh4 Qf4 56.Kh5 Qg5) 53...d1Q 54.Kh3 Qf3 55.Kh4 Kf2 (55...Qf4 56.Kh5 Qg5) ½-½. zomboeb (1645) – tjomens, lichess.org, 2020.

8.h3 Bh5 9.a3 Ba5 10.Be2 Re8 11.0-0 Qe7 12.d3 Rab8 13.Nc3 a6=.

8.h3 Bh5 9.Nc3 d5 (9...Ne5 10.Be2=+ (10.a3 Bc3 11.Bc3 Re8 12.Be2 Bf3 13.gf3 d5=) 10...Qe7 11.0-0 Bc3 12.Bc3 Ne4 13.Be5 de5=; 9...Re8 10.Be2 d5 11.cd5 Nd5 12.0-0 Qd7 13.Qb3 Rad8=; 9...Bg6 10.Nd5 Nd5 11.cd5 Ne5 12.Qb3 Nf3 13.gf3 Ba5=; 9...Qe7 10.Be2 (10.Rb1 Bg6 11.d3 d5 12.a3 Ba5 13.Qa4 Rad8=+) 10...Ne5 11.0-0 Bc3 12.Bc3 Ne4 13.Be5 de5=; 9...Qd7 10.Be2 (10.Nd5 Nd5 11.cd5 Ne7 12.Qb3 Ba5 13.Bc4 c5=; 10.d3 Rfe8 11.Be2 d5 12.0-0 Rad8 13.Nb5 Be7=) 10...Rfe8 11.d3 Qf5 12.g4 Qa5 13.Qd2 Bg6+=) 10.a3 (10.g4 Bg6 11.g5 d4 12.gf6 dc3 13.fg7 cb2 14.gf8R Kf8=) 10...Ba5 (10...Bc3 11.Bc3 d4 12.Bb2 Re8 13.g4 Bg6=+) 11.g4 Bg6 12.Nh4 (12.g5!? d4 13.Ne2 (13.gf6 dc3 14.fg7 cb2 15.gf8R Kf8 16.Rb1=+) 13...Ne4=+) 12...d4-/+ 13.Nd5 (13.Nb1 Bb1 14.Qb1 de3 15.Nf3 Bd2 16.Ke2-+) 13...Nd5-+ 14.cd5? (14.Ng6 fg6 15.cd5 de3 16.fe3 Qh4 17.Ke2 Rf2 18.Kd3-+) 14...Qh4 15.dc6 (15.Bg2 de3 16.0-0 ef2 17.Kh2 Ne7-+) 15...de3 16.Rh2 (16.Qe2 Rad8 17.Qe3 Rd2 18.Be2 Rd3 19.Kf1 Re3 20.fe3-+) 16...ed2 17.Ke2 Rfe8 (17...Rfe8 18.Kf3 Be4 19.Kf4 Bc6 20.Bf6 Re4 21.Kf3 Rc4 22.Ke3 Re8 23.Be5 Re5 24.Kd3 Qd8 25.Kc4 Qd5) 0-1. Streit,Bodo - Kosak,Hans Guenther, Landesliga2 West, 2000.

9.Nc3 Ne5 10.d4 (10.Be2 Bf3 11.gf3 Re8=) 10...Nf3 11.gf3 Bh5 12.Be2 d5 13.cd5 Nd5 14.Rc1 Qh4 15.0-0 Rad8 16.Ne4 f5 17.Ng3 f4 18.Ne4 fe3 (18...Bf7!? 19.Qa4 Bb6 20.Rfe1-+) 19.fe3-/+ Ne3 (better 19...Bg6!? 20.Bc4 Be4 21.fe4 Qe4-+) 20.Qb3= Nd5 21.Bc4?? (better 21.Rc5 Bb6 22.Rd5=) 21...c6-+ 22.Qb7 Bf3 23.Ng3? (23.Rf3 Rf3 (23...Qe4?! 24.Rf8 Rf8 25.Qc6=) 24.Qa7 Be1-+) 23...Kh8 (better 23...Rb8 24.Qc6 Rb2 25.Qd5 Kh8-+) 24.Qc6 (24.Rf2 Bc7 25.Rf3 Rf3 26.Rc2 Bg3 27.hg3-+) 24...Ne3?? (better 24...Bd2 25.Rf3 Rf3 26.Bd5 Rg3 27.Bg2 Rb3-+) 25.Qb5?? (25.Rf3 Bd2 26.Rcf1 Nf1 27.Nf1+/- (27.Rf1?! Be3 28.Kh1 Bd4 29.Rf8 Rf8=)) 25...Nf1 26.Rf1 Bb6 (26...Rd4 27.Rf3 Rdd8 28.Rf8 Rf8 29.Qa5 Qc4 30.Qa7+/-) 27.a4 (27.Rf3 Rf3 28.Qe5 Bd4 29.Bd4 Qd4 30.Qd4 Rd4-+) 27...Bd4 (better 27...Rd4 28.Qb6 ab6 29.Be2-+) 28.Bd4 Qd4 (28...Rd4?! 29.Rf3 Rdf4 30.Rf4 Qf4 31.Qc5=) 29.Rf2 Bd5 30.Bd5 (30.Qb2 Qc4 31.Qc2 Rf2 32.Qf2-+) 30...Rd5 (better 30...Qf2 31.Kh1 Qe1 32.Kg2 Qd2 33.Qe2 Qd5 34.Kh3 Rf3-+) 31.Qf1 Qf2 32.Qf2 Rf2 33.Kf2 Rd4 34.Nf5 (34.a5 Ra4-+) 34...Ra4 (better 34...Rf4 35.Ke3 Rf5 36.Kd4-+) 35.Nd6 (35.Kf3 a5 36.h3 Ra3 37.Ke4 Rh3-+) 35...Ra2 36.Kg3 a5 37.Nf7 Kg8 38.Ne5 a4 39.Nc4 (39.Kf3 Rh2 40.Nc4 Rc2-+) 39...a3 (39...Rc2 40.Na3 Rc3 41.Kf4 Ra3 42.Kf5-+) 40.h4 (40.Na3 Ra3 41.Kg2 Kf7-+) 40...Ra1 41.Na3 Ra3 42.Kg4 Kf7 43.Kg5 (43.h5 Kf6 44.Kf4 Ra4 45.Ke3 Kg5-+) 43...h6 44.Kf5 g6 45.Kg4 Ra4 46.Kg3 Kf6 47.Kh3 Kf5 48.Kg3 Ra3 49.Kg2 Kg4 50.Kh2 (50.Kf2 Kh4 51.Ke2-+) 50...Kh5 (50...Ra2 51.Kg1 Kf3 52.h5 Ra1 53.Kh2 gh5 54.Kh3 Rh1) 51.Kg2-+ Kh4 52.Kh2 Kg4 (52...Rf3 53.Kg2 Rf6 54.Kh2 Rf2 55.Kh1 Kg3 56.Kg1 g5 57.Kh1 Rf1) 53.Kg2 Ra2 (53...Rf3 54.Kh2 Rf2 55.Kh1 Kg3 56.Kg1 g5 57.Kh1 Rf1) 54.Kg1 (54.Kf1 h5 55.Ke1 h4 56.Kf1 Kf3 57.Ke1 h3 58.Kd1 h2 59.Ke1 h1Q) 54...Kf3 55.Kh1 Kg3 56.Kg1 Ra1 0-1. Knight286 (2110) - todo_pro (2125), Rated Blitz game, lichess.org, 2016.

9.Nc3 Re8 10.h3 Bh5 11.g4 Bg6 12.g5 Ne4 13.Ne4 Be4 14.Rg1 g6 15.h4 Ne5 16.Ne5 de5 17.h5 Bd3 18.hg6 fg6 19.Bg2 c6 20.Rc1 Bf5 21.Bf3 Qb6 22.Ba1 Rad8 23.Bc3 Bc3 24.Rc3 Qb2 25.Qc2 Bc2 26.Bc6 bc6 27.Rh1 Qc1 28.Ke2 Qh1 29.Rc2 Qh5 30.f3 Qh2 31.Ke1 Qg3 32.Ke2 Qg2 33.Ke1 Qf3 34.d4 ed4 35.Rf2 Qe3 36.Kf1 Qc1 37.Kg2 Qc4 38.a4 Qd5 39.Kg1 Re1 40.Kh2 Rf8 41.Rf8 Kf8 42.a5 Re3 43.a6 Qa2 44.Kg1 Re1 Normal 0-1. josef_33 (1830) - Jvdb1968 (1635), Rated Blitz game, lichess.org, 2016.

9.Be2 a6 10.0-0 (10.Nc3 d5 11.cd5 Nd5 12.0-0 Nc3 13.Bc3 Bc3 14.dc3) 10...Re8 (10...Ne4 11.d3 Nc5 12.Nc3 Qf6 13.Na4 Qe7 14.Nc5) 11.d3 (11.h3 Bf5 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2) 11...h6 (11...b5 12.Nbd2 Rb8 13.Rc1 Bd7 14.c5) 12.Nbd2 (12.Nc3 Be6 13.Qc2 Qd7 14.h3) 12...Bd2 (12...Bb6 13.h3 Bf5 14.Qb3) 13.Qd2 Re7? (better 13...b5!?= 14.h3; 13...Rb8 14.h3) 14.Bf6+- gf6 15.Qb2 f5 16.Qb7 Na5 17.Qb2 Rb8 18.Qc3 f4? (better 18...Nc6+-) 19.Qa5 Kg7 (19...fe3 20.Rae1 Qe8 21.fe3 Re3+-) 20.Qc3 f6 21.Qd4 Bf3 22.Bf3 fe3 23.fe3 1–0. Yarmolyuk,Yury (2130) – Lopez Martin,Hector Eduardo, BI–2009–P–00016, 2009.

9.Be2 Qd7 10.h3 Bf3 11.Bf3 Qe7 12.Bc6 bc6 13.0-0 Rab8 14.Bc3 Bc3 15.Nc3 Ne4 16.Ne4 Qe4 17.Qa4 Rb2 18.d4 Rb7 19.Rac1 White intends c5 19...Rfb8 20.c5 dc5 (20...d5!?+=) 21.Rc5+/- h6 22.Qc6 Qd3 23.Rc3 Qe2 24.Qd7 Rb1? (better 24...c5 25.Qf5 c4+/-) 25.Rb1+- Rb1 26.Kh2 Qf2 (26...Rb8 27.Qc7 Rf8+-) 27.Qe8 Kh7 28.Qe4 g6 29.Qb1 1-0. carlos78 (2195) - Uvas822 (2140), Rated Blitz game, lichess.org, 2015.

9.Be2 Re8 10.0-0 Ne4 11.h3 Bf5 12.d3 Nc5 13.Nc3 Ne5 14.e4.

9.Be2 Bf3 10.gf3 (10.Bf3 Ne5 11.Be2 Re8 12.0-0 d5 13.Qa4 c5 14.cd5) 10...d5 11.cd5 Nd5 12.Rg1 g6 13.Qb3 Qd6 14.f4.

9.Be2 h6 10.0-0 (10.Qc2 Re8 11.Nc3 Qd7 12.0-0 Bf5 13.Qb3 Rab8 14.d3) 10...Ne4 11.d3 Nc5 12.Nc3 Qf6 13.Na4 Qe7 14.Nc3.

10.0-0 Ne5 11.d3 A) 11...Bf3 12.Bf3 Rab8 (12...c6 13.Nc3 Rac8 14.Rc1 h6 15.h3 Nf3 16.Qf3 Nd7 17.Ne4 f5; 12...Nf3 13.Qf3 Nd7 14.Nc3 c6 15.Qf5 Bc3 16.Bc3 Qe6 17.Qf3 Nc5; 12...Qe6 13.Nd2 Bd2 14.Be5 de5 15.Qd2 c6 16.Rab1 b6 17.Rfd1 Rad8; 12...h6 13.Be2 Qe6 14.Qa4 b6 15.e4 a6 16.f4 Qd7 17.Qd1 Nc6) 13.a4 c6 14.Be2 Qe6 15.Nd2 d5 16.Nb3 Bb4 17.Nd4 Qd7; B) 11...h6 B1) 12.Nbd2 Rfe8 (12...Rae8 13.Ne5 Be2 14.Ng6 Bd1 15.Ne7 Re7 16.Bf6 gf6 17.Rfd1 Kg7; 12...Rfd8 13.h3 Bd7 14.Qc2 c5 15.Ne5 de5 16.Nf3 Bc7 17.Rfd1 Bc6; 12...Rad8 13.h3 Bd7 14.Qb3 Nf3 15.Nf3 Rb8 16.a4 c5 17.Rfb1 Bc6; 12...Nc6 13.h3 Bd7 14.Nb3 Bb6 15.Bc3 a5 16.Qd2 Rfe8 17.Rfb1 Nh7) 13.Nb3 Bb6 14.Rc1 c6 15.h3 Bd7 16.c5 Nf3 17.Bf3 dc5; B2) 12.h3 Bf3 (12...Bf5 13.Nc3 Rfe8 14.Nd5 Nd5 15.cd5 Nf3 16.Bf3 Qg5 17.Qa4 Bb6; 12...Nf3 13.Bf3 Bf3 14.Qf3 Nd7 15.Nc3 c6 16.Ne4 f5 17.Ng3 Qg5; 12...Bd7 13.Nc3 a6 14.Qb3 Rab8 15.a4 Rfe8 16.Rab1 Qe6 17.Nd4 Qe7) 13.Bf3 c6 14.Nc3 Rfe8 15.Be2 a6 16.Qa4 Qc7 17.Qc2 b5; B3) 12.Ne5 Be2 13.Qe2 de5 14.Nc3 c6 15.f3 Rad8 16.Ne4 Rfe8 17.Rad1 Bc7; B4) 12.Nc3 Bf5 (12...Bd7 13.h3 c6 14.Qb3 Bf5 15.Rad1 Rab8 16.Nd4 Bg6 17.f4 Ned7; 12...Be6 13.Qa4 Bb6 14.d4 Nf3 15.Bf3 c5 16.dc5 Bc5 17.Qb3 Rab8; 12...Rad8 13.Nd5 Nd5 14.cd5 Bb6 15.Bc3 Bf5 16.e4 Bd7 17.Qd2 f5; 12...Rfe8 13.Nd5 Nd5 14.cd5 Bb6 15.Bc3 Bd7 16.Rb1 Ng4 17.e4 f5) 13.Nd5 Nd5 14.cd5 Bb6 15.Qc2 Rad8 16.Rab1 Rfe8 17.Nd4 Bd7; C) 11...Bf5 C1) 12.e4 Bd7 (12...Bg6 13.Nc3 Bb6 14.Qd2 h6 15.h3 c6 16.Nh4 Bh7 17.Na4 Bc7; 12...Bg4 13.Nc3 Bd7 14.Qc2 Rae8 15.Rab1 Bb6 16.h3 h6 17.Qd2 Qe6; 12...Bc8 13.Nc3 c6 14.h3 Bd7 15.Qb3 h6 16.Rfe1 c5 17.Ne5 de5) 13.Nc3 h6 14.h3 c6 15.Qb3 Rab8 16.a4 Rfe8 17.Rfe1 c5; C2) 12.h3 h6 (12...c6 13.Nc3 Rad8 14.Nd4 Bd7 15.Qd2 Rfe8 16.Nb3 Bc7 17.a4 h6; 12...Rad8 13.Nc3 a6 14.Nd5 Nd5 15.cd5 Bb6 16.Nd4 Bd7 17.Qd2 Rc8; 12...Bb6 13.Nc3 h6 14.Qd2 Bd7 15.d4 Nf3 16.Bf3 Ba5 17.Qc2 Rab8; 12...a6 13.Nc3 g6 14.Nd4 Bd7 15.Qb3 Rab8 16.Nf3 Rfe8 17.a4 Bf5) 13.Nc3 a6 14.Nd5 Nd5 15.cd5 Bb6 16.Rc1 Nf3 17.Bf3 Qg5; C3) 12.Nc3 Rfd8 (12...g6 13.h3 Bb6 14.Qd2 a6 15.Rab1 Bd7 16.d4 Nf3 17.Bf3 Bf5; 12...h6 13.h3 Rfe8 14.Nb5 c5 15.Qa4 b6 16.Qb3 a6 17.Ne5 de5; 12...Rfe8 13.h3 h6 14.Nb5 c5 15.Qa4 b6 16.Qb3 a6 17.Ne5 de5; 12...Rab8 13.h3 Rfd8 14.Nd5 Nd5 15.cd5 Nf3 16.Bf3 c5 17.Qa4 b6) 13.h3 a6 14.Qc2 Nc4 15.Nh4 Qe5 16.Nf5 Nb2 17.d4 Qe6; C4) 12.Qb3 Nf3 (12...c6 13.Nbd2 h6 14.h3 Rae8 15.Rad1 c5 16.d4 cd4 17.Nd4 Bg6; 12...Rfe8 13.Nbd2 c5 14.h3 h6 15.Rfd1 Rad8 16.Rab1 Rb8 17.Ne5 de5; 12...Bb6 13.Nbd2 a5 14.Ne5 de5 15.Nf3 a4 16.Qc2 Nd7 17.Bc3 Ba5; 12...b6 13.h3 a6 14.e4 Bd7 15.Nc3 c6 16.a4 Rab8 17.Qc2 Rfe8) 13.Bf3 c6 14.h3 h6 15.Rd1 Nd7 16.d4 Qg5 17.Nc3 Rab8.

10.0-0 Ne5 11.d4 Nf3 12.Bf3 Bf3 13.Qf3 c5 (13...Ne4 14.Qe2= (14.Rc1 c6 15.Qf5 b6 16.f3 Ng5 17.Qd3 Rfe8) 14...Rfe8 15.f3 Ng5 16.e4 Qf6 17.Qe3 Ne6; 13...Qe6 14.Rc1 c6 15.Qe2 d5 16.Bc3 Bc7 17.Nd2 Rfe8) 14.d5 'White wins space' (14.dc5 dc5 15.Bc3 Bc3 16.Nc3 Rad8 17.Rac1 Rfe8) 14...a6 (14...Rae8 15.Nc3 Bc3 16.Bc3 Ne4 17.Rfc1 f5) 15.a4 (15.Bf6 Qf6 16.Qf6 gf6 17.a4 Kg7) 15...Bd8 (15...Ne4 16.Qe2= Rae8 17.f3 Nf6; 15...Nd7 16.Qe2 Rae8 17.Nd2 f5) 16.Nd2 '+/=' 16...Rb8 (16...Re8 17.Bc3 Ne4) 17.Rac1 (17.Bc3 Re8+=) 17...b5 (17...Re8 18.Bc3=) 18.cb5 '+/=' 18...ab5 19.ab5 Rb5 'Black has a new protected passed pawn: c5. . ' 20.Ba1 (20.Bc3 Nd7+=) 20...Re8 '=' 21.Rfe1 (21.Rb1 Rb1 22.Rb1 Qa7=) 21...Ba5 'Black threatens to win material: Ba5xd2' 22.Re2 Reb8 (22...Bd2!? is worth consideration 23.Bf6 Qf6 24.Qf6 gf6 25.Rd2 Ra8=) 23.Bf6 '+/=' 23...Qf6 24.Qf6 gf6 25.Nc4 'White threatens to win material: Nc4xd6' 25...Rb1 (better 25...Bc7+=) 26.Rf1 '??' 'lets it slip away' (better 26.Rec2 was much better 26...Bc7 27.Kf1+=) 26...Rf1 27.Kf1 Rb1 28.Re1 Re1 0–1. Roelen,Jolanda – Van Santen,Cristien, NED–ch U20 Girls (6), 1979.

10.0-0 Ne5 11.Ne5 Be2 A) 12.Ng6 fg6 (12...hg6 13.Qe2 Rab8 14.Nc3 Rbd8 15.Rab1 d5 16.cd5 Nd5 17.Qc4 c6) 13.Qe2 Qe6 14.Bc3 b6 15.Ba5 ba5 16.Nc3 Rab8 17.Rab1 c6; B) 12.Qe2 de5 13.Nc3 Rad8 14.d3 Rfe8 15.f3 Qd6 16.Rfd1 c6 17.a4 Bb4.

10.0-0 Qe6 11.Nc3 Bf3 12.Bf3 Qc4 13.d3 Qc5 14.Ne4.

10.Nc3 Qe6 11.Qb3 Ne5 12.h3 Bf3 13.gf3 Qf5 14.f4.

9.0-0 a4 10.a3+= Bc5 (10...Ba5 11.Qa4 Bd2 12.Qb5=) 11.d4+/- Bb6 12.Nbd2 (12.Nc3 Ba5+/-) 12...Ne7 13.c5 dc5 (better 13...Ba5!?+=) 14.dc5+/- Bc5 15.Bf6 gf6 16.Bb5?? (better 16.Ne4!? Bf3 17.Bf3+/- (17.gf3?! Bd6+=)) 16...Kh8 (better 16...Bf3!? 17.Nf3 Qd1 18.Rfd1 c6=+) 17.Qc2+= Bd6 18.Ne4 (18.Ba4 Rg8+=) 18...Bf3= 19.Nd6 (19.gf3!? Qc8 20.Nd6 (20.Ba4 Qh3 21.Ng3 Ng6-+; 20.Nf6? Qh3 21.Qh7 Qh7 22.Nh7 Rg8 23.Kh1 Kh7-+) 20...Rg8 21.Kh1 cd6 22.Qc8 (22.Ba4 Qh3 23.Qh7 Kh7 24.Bc2 Kh8 25.Rg1 Qf3 26.Rg2 Qg2) 22...Rgc8 23.Rfc1=) 19...Qd6=+ 20.gf3 Qe5 (better 20...Rg8 21.Kh1 Ra5-/+) 21.Kh1?? (21.Rab1 Rg8 22.Kh1 Ra5=+) 21...Nf5?? (better 21...Qb5 22.Qc7 Nc6-+) 22.Bd3= (worse 22.Ba4 Nh4 23.f4 Qh5-+) 22...Nh4 23.Be4 (23.Bh7 Nf3 24.Kg2 Rg8 (24...Qh2?! 25.Kf3 Qh5 26.Kf4 Qh4 27.Kf3 Qh5 28.Kf4 Qh6 29.Kf3 Qh5=) 25.Bg6 Rg6 (25...fg6?! 26.Kf3 Qh5 27.Kg3-+) 26.Qg6 Nh4 27.Kg1 fg6-+) 23...f5 (better 23...c6 24.f4 Qe6=) 24.Bb7+/- Rab8 25.Bc6 (25.f4 Qa5 26.Bc6 Rfd8+/-) 25...Rb6 (25...f4 26.Qa4 Ng6 27.Qe4+/-) 26.Qa4 (better 26.f4 Qf6 27.Rac1+/- (27.Ba4 Nf3 28.h3 Qh4 29.Qf5 Rh6-/+)) 26...Rc6? (26...f4 27.Rfc1+/-) 27.Qh4 (better 27.Qc6 f4 28.Rac1+-) 27...Rg6 (27...f4 28.Rac1 Ra6+/-) 28.Qf4 (better 28.a4!?+/-) 28...Qf6? (better 28...Qf4 29.ef4 c5+=) 29.Qe4 0-1. cucosant2 (1795) - ale_di_sfo (1895), Casual Blitz game, lichess.org, 2020.

9.0-0 Bc5 10.d4 Bb6 11.Nc3 Re8 12.Nd5 Nd5 13.cd5 Nb4 14.a3 (better 14.Qb3!?=) 14...Nd5-/+ 15.h3 Bh5 16.Qc2 (16.Bc4 Ne7=+) 16...Bg6 17.Bd3 Bh5?? (17...Bd3 18.Qd3 Qf6 19.Rfe1-/+) 18.Be2?? (better 18.Bh7 Kh8 19.Be4+/-) 18...h6 19.Rfc1 Rc8 20.Qd2 Qe7 21.Rc2 Nf6 22.Rac1 d5 23.Ne5 Be2 24.Qe2 Nd7 25.Nd7 Qd7 26.Bc3 Qe7 (26...Ra8 27.Rb2-/+) 27.a4 (27.Qb5!?=+) 27...Qd7-/+ 28.Ra1 c5 29.dc5 Rc5 30.Bd4 (30.Qd3 Re4 31.Bg7 Rc2 32.Qc2 Be3-/+) 30...Rc2 31.Qc2 Bd4 32.ed4 Qe7 (32...Qc6 33.Qd1-/+) 33.Rb1 Qf6 34.Qd1 (34.Rb7 Qd4 35.Qf5 Rf8-/+) 34...Qc6 (34...Re4 35.Qc2-/+) 35.Rb5 Re4 (35...b6 36.Qd2-/+) 36.Qd3 (36.f3 Re8=+) 36...Re1 37.Kh2 Qc7 (37...b6 38.Qf5-/+) 38.Qg3 (38.g3 Qc6=) 38...Qc4 (38...Qc1 39.Qb8 Kh7 40.Rd5 Rh1 41.Kg3 Qc3 42.Kg4 f5 43.Rf5=+) 39.Qb8= Kh7 40.Qb7 Exerts pressure on the isolated pawn 40...Qa4 (better 40...Rh1! 41.Kh1 Qc1 42.Kh2 Qf4 43.g3 Qf2 44.Kh1 Qf1 45.Kh2 Qf2 46.Kh1 Qf1 47.Kh2 Qf2=) 41.Qd5+/- Rd1?? (41...Qc2 42.Qf7 Re2+-) 42.Qf5 Kg8 (42...g6 43.Qf7 Kh8 44.Rb8 Qe8 45.Re8) 43.Rb8 (43.Rb8 Qe8 44.Re8) 1-0. fishissushi (1800) – Anonymous, Casual Blitz game, lichess.org, 2020.

9.0-0 Rc8 10.d4+/- d5 11.cd5 (better 11.c5!? a4 12.Qa4+/-) 11...Nd5= 12.Ba3 (12.a3 Bd6=) 12...Qf6 (12...Ba3 13.Na3 Nc3 14.Qc2 Ne2 15.Qe2=) 13.Bb4= Ndb4 (13...ab4 14.Qd3=) 14.a3 Nd5 15.Nbd2 Nc3 16.Qe1 Ne2 17.Qe2 Rfe8 18.Qc4 Rcd8 19.Rab1 b6 (19...Be6 20.Qb5 Bd5 21.Rfe1=) 20.Rfc1+= Rd6 21.h3 (21.d5 Bf3 22.Nf3 Ne5 23.Ne5 Qe5+=) 21...Bf5= 22.Ra1 Bd7 23.Qc2 Bf5 24.e4 (better 24.Qc3!?=) 24...Nd4-/+ 25.Qc7? (better 25.Nd4!? Qd4 26.Qc7 Be4 27.Ne4 Re4 28.Re1-/+) 25...Nf3 (25...Ne2!? 26.Kh2 Nc1 27.Rc1-+) 26.Nf3 Be4 (26...Re4?! 27.Rd1 Rd1 28.Rd1-/+) 27.Qc8?? (better 27.Nh2-+) 27...Rc8 28.Rc8 Rd8 (28...Rd8 29.Rac1 Bf3 30.gf3 b5-+) 0-1. cucosant2 (1820) - dhshchdh (1915), Casual Blitz game, lichess.org, 2021.

9.0-0 d5!?=.

9.0-0 Re8 10.a3 Bc5 11.d3 Ne5 (11...d5 12.d4 Be7 13.Nc3=) 12.Ne5 (12.d4 Nf3 13.Bf3 Bf3 14.Qf3 Bb6+/-) 12...Be2+= 13.Qe2 (13.Nf7 Bd1 14.Nd8 Be2 15.Bf6 gf6 16.Nb7 Bf1 17.Nc5 Bg2+=) 13...de5= 14.Nd2 e4 (14...Qd6 15.Nb3=) 15.d4 (better 15.Bf6!? Qf6 16.Ne4+/-) 15...Bf8 16.Qd1 c6 17.Qb3 Rb8 18.Rab1 Bd6 19.Bc3 (19.c5 Bc7=) 19...Bh2 20.Kh2 Ng4 21.Kg3 Qg5 22.f4 ef3 (22...Qg6 23.f5 Qg5 24.Rfe1=+) 23.Nf3 Re3 (better 23...Qg6 24.Nh4 Re3 25.Rf3 Qg5 26.Re3 Ne3 27.Kf2 Ng4 28.Kg3 Nf6 29.Kf2 Qh4 30.Kg1 Ng4-+) 24.Bd2?? (better 24.Rbe1 Qg6 25.c5=) 24...Nf6 (24...Ne5!? 25.Kf2 Rf3 26.gf3 Qd2 27.Kg3-+) 25.Kf2 Rf3 26.Kf3 (26.Qf3 Qd2 Double attack (26...Qd2 Discovered attack; 26...Qd2 Remove defender); 26.Kf3 Qd2 Discovered attack (26...Qg4 Deflection; 26...Qh5 Decoy; 26...Qd2 Remove defender); 26.gf3 Qd2 Double attack (26...Qd2 Discovered attack; 26...Qd2 Deflection; 26...Qd2 Remove defender)) 26...Qd2 27.Qe3 Qc2 28.Qe5?? (better 28.Rfc1 Qg6 29.Qf4=+) 28...Re8-+ 29.Qg5 (29.Qe8 Ne8 30.Rb7 Qd3 31.Kf2 Qd4 32.Kg3 Qe5 33.Kh3-+) 29...Qe2 30.Kg3 Ne4 31.Kf4 Ng5 32.Kg5 (32.Rf3 Qg2 33.Re3 Nh3 34.Rh3 Re4 35.Kf5 Qg4) 32...Re4 33.g3 (33.Rf4 Qg2 34.Kh4 Rf4 35.Kh5 Qg4) 33…Qg4 0-1. norba94 (2290) - renr8360 (2205), Rated Blitz game, lichess.org, 2016.

9.0-0 Ne4 10.h3 Bf3 11.Bf3 Nc5 (11...Qh4 12.d3 Nc5 13.Bc6 bc6 14.Ba3+=) 12.d4+= Na6? (12...Nd7 13.Bc6 bc6 14.Qa4+/-) 13.Bc3?? (better 13.Qa4 Qd7 14.Bc6 Qc6 15.Qa5 Qc4 16.Nc3+-) 13...Bc3+= 14.Nc3 Qf6 (14...Na5 15.Be4 c6 16.Bd3+=) 15.Rb1 Na5?? (15...Rab8!?+/-) 16.Bb7 (better 16.Qa4 Qf5 17.Rb5+-) 16...Nb7 17.Rb7 Rfb8 18.Nd5 Qe6? (18...Qd8 19.Qb3 Qe8 20.Rb8 Rb8 21.Qa3+-) 19.Nc7 (better 19.Rb8 Rb8 20.Qa4+-) 19...Nc7 (better 19...Qc4!? 20.Rb8 Rb8 21.Na6 Qa6+/-) 20.Rc7+- Rc8 21.Rc8 (21.Rc8 Rc8 22.Qa4+-) 1-0. cucosant2 – Kazinileon, Rated Blitz game, lichess.org, 2020.

9.Nc3 Nb4 10.a3 Nc6 11.0-0 Nd7 (11...Re8 12.Rb1=) 12.d4 Ne7 (12...Re8 13.Qb3=) 13.h3 Bh5 14.Nh2 (better 14.Qb3+=) 14...Nf6?? (better 14...Be2 15.Qe2 Nb6=) 15.Bh5+- Nh5 16.Qh5 Ng6 (16...c6+-) 17.Qa5 1–0. mr5reasons1 (1725) – jdogg55, gameknot.com, 2019.

9.Nc3 d5 10.Qb3 dc4 11.Bc4 Bf3 12.gf3=.

10.a3 A) 10...Bf5 A1) 11.Qb3 Rb8 (11...Bb6 12.Nc3 Na5 13.Qd1 Re8 14.d4 Nc6 15.Bd3=) 12.Nc3 Re8 13.d3 Ne5 14.Rad1 Qe7 15.Nb5=; A2) 11.Nc3 Rb8 (11...Qe7 12.Qb3 Bb6 13.Nd5 Nd5 14.cd5 Ne5 15.d3=; 11...Re8 12.Qb3 Bc3 13.Qc3 Rb8 14.d3 Bg4 15.Rae1=) 12.d3 Re8 13.Nd5 Ne5 14.Qc2 Nd5 15.cd5=; A3) 11.d4 Re8 (11...Qe7 12.Bd3 Bd3 13.Qd3 Rfe8 14.Bc3 Rab8 15.Ba5+=) 12.d5 Ne5 13.Nd4 Bg6 14.Nb3 Bb6 15.Nc3=; A4) 11.Bc3 Re8 (11...Qe7 12.Ba5 Na5 13.Nc3 Rfe8 14.d4 c5 15.Qa4=; 11...Ne4 12.Ba5 Na5 13.d3 Nc5 14.Nc3 Re8 15.d4+=) 12.d4 Ne4 13.Ba5 Na5 14.Qe1 c6 15.Nc3=; A5) 11.d3 Re8 (11...Qe7 12.Nbd2 Rae8 13.Nb3 Bb6 14.Rb1 Bd7 15.d4=) 12.Nbd2 Bb6 13.Nb3 Qe7 14.Nbd4 Nd4 15.Nd4=; B) 10...d5 B1) 11.cd5 Nd5 12.Qa4 Qd7 13.Bb5 Bf3 14.gf3 Nb6 15.Qg4=; B2) 11.h3 Be6 (11...Bf5 12.Qb3 Rb8 13.d3 Re8 14.Nc3 d4 15.Nd5=; 11...Bh5 12.cd5 Nd5 13.Qb3 Qd6 14.Nc3 Nb6 15.d4=) 12.Qc2 dc4 13.Bc4 Bc4 14.Qc4 Re8 15.Rc1=; B3) 11.Qb3 Rb8 (11...dc4 12.Qb7 Qd6 13.Qa6 Rfb8 14.Bf6 Qf6 15.Nc3=; 11...Bb6 12.cd5 Qd5 13.Qd5 Nd5 14.d4 Rad8 15.Rc1=) 12.cd5 Nd5 13.Qa4 Qd7 14.Ne5 Ne5 15.Qd7=; B4) 11.d4 dc4 (11...Re8 12.Qb3 Rb8 13.Rc1 Qd7 14.Nc3 dc4 15.Bc4=) 12.Bc4 Qd6 13.d5 Rad8 14.e4 Ne4 15.Qe2–/+; B5) 11.Nd4 Be2 12.Qe2 Ne5 13.c5 Re8 14.d3 c6 15.Nd2=; C) 10...Qe7 C1) 11.d4 Rae8 (11...Rfe8 12.Nc3 Bc3 13.Bc3 Ne4 14.Qc2 Rab8 15.Rab1=; 11...Bf5 12.Bd3 Bd3 13.Qd3 Rfe8 14.Bc3 Rab8 15.Ba5+=) 12.Qb3 b6 13.Nc3 Bc3 14.Bc3 Ne4 15.h3=; C2) 11.Nd4 Bd7 (11...Be2 12.Nc6 bc6 13.Qe2 Rfb8 14.Bc3 Bc3 15.Nc3=; 11...Ne5 12.Nb3 Be2 13.Qe2 Bb6 14.d4 Ng6 15.Qc2+=) 12.Qb3 Rab8 13.Nc6 bc6 14.Qc2 c5 15.Nc3=; C3) 11.d3 Rae8 (11...Rfe8 12.Nbd2 Bb6 13.Rb1 Rab8 14.Qc2 Bf5 15.Nb3=; 11...Rab8 12.Nc3 Be6 13.Qb3 Bc3 14.Qc3 b5 15.cb5=) 12.Nd4 Ne5 13.Bg4 Nfg4 14.Nb3 Bb6 15.Be5=; C4) 11.Nc3 Rae8 (11...Rfe8 12.d4 Rab8 13.Nd5 Qe6 14.Nb4 Nb4 15.ab4+=; 11...Bf5 12.Qb3 Rab8 13.Nd5 Nd5 14.cd5 Ne5 15.Ne5=) 12.d4 Bc3 13.Bc3 Ne4 14.Qc2 Nc3 15.Qc3=; D) 10...Rb8 D1) 11.d4 d5 (11...Qe7 12.d5 Ne5 13.Ne5 Be2 14.Qe2 de5 15.e4=) 12.cd5 Qd5 13.Nc3 Qd6 14.Qc2 Qe6 15.Rfd1=; D2) 11.Nc3 d5 (11...Qe7 12.d3 Rfe8 13.Nd4 Bd7 14.Nc6 bc6 15.Qc2+=; 11...Re8 12.d4 Bf5 13.Rc1 Qd7 14.Bd3 Bc3 15.Bc3=) 12.cd5 Nd5 13.Qa4 Bf5 14.Rad1 Nb6 15.Qf4=; D3) 11.d3 b5 (11...Re8 12.Nbd2 Bd2 13.Qd2 a6 14.Rfd1 Qe7 15.Rac1=; 11...Qe7 12.Nc3 Rfe8 13.Nd4 Bc3 14.Nc6 bc6 15.Bc3+=) 12.cb5 Rb5 13.Qc2 Qe7 14.Nc3 Rb7 15.Rab1=; D4) 11.h3 Bf5 (11...Be6 12.d4 d5 13.Nbd2 Re8 14.Qc2 Ne4 15.Nb3=) 12.d4 Re8 13.d5 Ne5 14.Ne5 de5 15.f4=; D5) 11.Bc3 Re8 12.d4 Ne4 13.Ba5 Na5 14.Nfd2 Be2 15.Qe2=; E) 10...a6 E1) 11.d4 Qe7 (11...d5 12.cd5 Qd5 13.Nc3 Qd6 14.Na4 b6 15.Qc2=) 12.Nbd2 Rfe8 13.Nb3 Bb6 14.a4 d5 15.a5=; E2) 11.d3 Re8 (11...Bb6 12.Nc3 Re8 13.Rb1 Qe7 14.Na4 Nd7 15.Nb6+=; 11...Rb8 12.Nc3 Be6 13.Qc2 Re8 14.Rab1 Qe7 15.Rfc1=) 12.Nd4 Be2 13.Nc6 Bd1 14.Nd8 Be2 15.Bf6–/+; E3) 11.Qb3 b6 (11...Rb8 12.d4 d5 13.Rd1 dc4 14.Qc4 Qd6 15.d5=; 11...Ra7 12.d4 d5 13.Rc1 dc4 14.Qc4 Nd5 15.Qa4=) 12.d4 Re8 13.h3 Bf5 14.d5 Ne5 15.Nd4=; E4) 11.Nd4 Be2 12.Nc6 Bd1 13.Nd8 Be2 14.Bf6 Rb8 15.Re1=+; E5) 11.Nc3 Re8 (11...Rb8 12.Nd4 Bc3 13.Nc6 Be2 14.Qe2 bc6 15.Bc3+=; 11...Qe7 12.Nd4 Bc3 13.Nc6 bc6 14.Bc3 Be2 15.Qe2+=) 12.d4 Bc3 13.Bc3 Ne4 14.Qc2 Qf6 15.Rfb1=; F) 10...Be6 F1) 11.d4 d5 12.c5 Ne4 13.Qc2 Bg4 14.Nc3 Re8 15.Rab1=; F2) 11.Nc3 Rb8 (11...Re8 12.Qb3 Rb8 13.Nd5 Ne5 14.Nf6 Qf6 15.Ne5+=; 11...d5 12.cd5 Nd5 13.Ne4 Rb8 14.Qc2 Re8 15.Bb5+=) 12.d4 d5 13.cd5 Bc3 14.Bc3 Bd5 15.Ne5=; F3) 11.Qc2 Re8 (11...Rb8 12.d4 d5 13.Ne5 Ne5 14.de5 Nd7 15.cd5+=; 11...Bg4 12.d4 Re8 13.d5 Bf3 14.Bf3 Ne5 15.Be2=) 12.d4 d5 13.Nbd2 Qe7 14.Nb3 dc4 15.Bc4=; F4) 11.Qa4 d5 12.Rc1 Ne4 13.d4 a6 14.cd5 Qd5 15.Bd3=; F5) 11.d3 Re8 12.Nbd2 Qe7 13.Rb1 Rab8 14.Nb3 Bb6 15.Nbd4+=; G) 10...Re8 G1) 11.d3 d5 (11...Rb8 12.Nbd2 Bb6 13.Qc2 Qe7 14.d4 Qd7 15.d5+=; 11...Qe7 12.Nd4 Ne5 13.Bg4 Nfg4 14.Nc3 Qg5 15.Ne4+=) 12.c5 Qe7 13.Qa4 Qe6 14.Nc3 a6 15.Rfc1=; G2) 11.d4 Bf5 (11...d5 12.Qb3 Rb8 13.Rc1 Be6 14.Nc3 dc4 15.Bc4=; 11...Qe7 12.d5 Bf3 13.Bf3 Ne5 14.Be2 c6 15.Nd2=) 12.d5 Ne5 13.Nd4 Bg6 14.Nc3 Qe7 15.Qa4=; G3) 11.Qb3 Rb8 (11...b6 12.d4 Ne4 13.Qc2 Qd7 14.d5 Nd8 15.Nd4+=; 11...Ne4 12.Qb7 Qb8 13.Qb8 Rab8 14.Ra2 Rb7 15.Ba1=) 12.d3 Ne5 13.Nd4 c5 14.Bg4 Nfg4 15.Nf5=+; G4) 11.Nc3 Qe7 (11...Rb8 12.d3 d5 13.Qc2 Be6 14.cd5 Nd5 15.Ne4=; 11...Bf5 12.d3 Qe7 13.Rb1 Ne5 14.Nd4 Bd7 15.Nb3+=) 12.d4 Bc3 13.Bc3 Ne4 14.Qc2 Nc3 15.Qc3=.

10.Qb3 A) 10...b6 A1) 11.d3 Re8 (11...a6 12.h3 Bf5 13.Nc3 Ne5 14.e4 Bg6 15.Nd5+=) 12.h3 Bh5 13.Nc3 Ne5 14.Ne5 de5 15.Bh5=; A2) 11.Nc3 Re8 (11...Bc3 12.Bc3 Ne4 13.d4 Qf6 14.h3 Bf5 15.Bb2=; 11...Ne5 12.Qd1 Be6 13.d3 Re8 14.Ne5 de5 15.Bf3=) 12.d4 a6 13.d5 Ne5 14.Ne5 de5 15.f3=; A3) 11.h3 Bf5 (11...Bd7 12.d4 Re8 13.Nc3 Bc3 14.Qc3 Ne4 15.Qb3=; 11...Be6 12.d4 d5 13.Rc1 Re8 14.cd5 Bd5 15.Qa4=) 12.Nc3 Ne5 13.Nd4 Bd7 14.f4 Nc6 15.Nf3=; A4) 11.d4 Re8 12.d5 Ne5 13.Ne5 de5 14.f3 Bc8 15.Nc3=; A5) 11.Qa4 Bd7 12.Qc2 Re8 13.Nc3 a6 14.Nd5 Ne5 15.d4=; B) 10...Re8 B1) 11.h3 Bd7 12.Nc3 Rb8 13.d3 a6 14.Rfc1 Ne5 15.Rab1=; B2) 11.Nc3 Rb8 12.d4 Qd7 13.h3 Bf5 14.Rfd1 Nb4 15.Rac1=; B3) 11.d4 Rb8 (11...Qc8 12.Nc3 Rb8 13.Rfd1 Qd7 14.d5 Bf3 15.Bf3=; 11...Ne4 12.Qb7 Qd7 13.Qb3 Rab8 14.Qc2 Bf5 15.Qc1+=) 12.Nc3 Bc3 13.Bc3 Ne4 14.Rfe1 Qf6 15.Rad1=; B4) 11.Rd1 Ne4 (11...Rb8 12.d4 Ne4 13.h3 Bh5 14.Bc3 Qe7 15.Ba5=; 11...b6 12.h3 Bf5 13.Nc3 Bc3 14.Qc3 a6 15.d3=) 12.Qb7 Nb4 13.Bd4 c6 14.a3 Re7 15.Qa8–/+; B5) 11.Qb7 Rb8 12.Qc6 Rb2 13.Qa6 Bb4 14.Qa7 Bc5 15.Qa4+-; C) 10...Rb8 C1) 11.Rd1 Qe7 (11...Re8 12.d4 Ne4 13.h3 Bh5 14.Bc3 Qe7 15.Ba5=; 11...Ne4 12.Qc2 Re8 13.d3 Ng5 14.Ng5 Qg5 15.Bg4=) 12.d4 Ne4 13.h3 Bh5 14.Nc3 Bc3 15.Bc3=; C2) 11.d3 a6 (11...Qe7 12.Nc3 Rfe8 13.Rab1 a6 14.Nd5 Nd5 15.cd5=; 11...Re8 12.Nc3 Ne5 13.Qd1 Qe7 14.Rb1 Bd7 15.Qc2=) 12.Nc3 Re8 13.h3 Bh5 14.Qa4 Bc3 15.Bc3=; C3) 11.h3 Bf5 (11...Be6 12.Nc3 d5 13.Rfd1 Re8 14.cd5 Nd5 15.Bc4=) 12.Nc3 Re8 13.d3 Qe7 14.e4 Bd7 15.Rab1=; C4) 11.a3 Re8 (11...Qe7 12.d4 Ne4 13.Qc2 Rbe8 14.Nc3 Ng5 15.Ng5=; 11...d5 12.cd5 Nd5 13.Qa4 Qd7 14.Nc3 Bc3 15.dc3=) 12.d3 Ne5 13.Nd4 c5 14.Bg4 Nfg4 15.Nf5=+; C5) 11.d4 Qe7 (11...Re8 12.Nc3 Bf5 13.Rfd1 Nb4 14.Rac1 Nc6 15.d5+=) 12.h3 Bh5 13.Nc3 Bc3 14.Bc3 Ne4 15.Rab1=.

10.Bc3 A) 10...Qe7 A1) 11.d4 Rfe8 (11...Rae8 12.Ba5 Na5 13.Nbd2 Bf5 14.d5 c5 15.Nb3=; 11...Rab8 12.Qa4 Bb6 13.Nbd2 Rfe8 14.Bd3 Qd7 15.Qc2+=) 12.Qc2 Rab8 13.Ba5 Na5 14.Nbd2 c5 15.Rfe1=; A2) 11.Qb3 b6 (11...Rab8 12.d4 Ne4 13.Ba5 Na5 14.Qc2 Rfe8 15.Nc3=; 11...Rfb8 12.d4 Ne4 13.Ba5 Na5 14.Qc2 Bf5 15.Bd3+=) 12.Qb5 Bc3 13.Nc3 Ne5 14.Ne5 de5 15.Bg4=; A3) 11.h3 Bf5 (11...Bh5 12.Ba5 Na5 13.Qa4 Nc6 14.d4 Bg6 15.Nc3=) 12.Ba5 Na5 13.Nc3 Rfe8 14.d4 Ne4 15.Ne4=; A4) 11.Ba5 Na5 12.Qa4 b6 13.d4 c5 14.Nbd2 cd4 15.Nd4=; A5) 11.Nd4 Be2 (11...Bc3 12.Nc6 Qe8 13.Nc3 Be2 14.Ne2 Qc6 15.d3=; 11...Nd4 12.Bg4 Bc3 13.Nc3 Ne6 14.Bf5 Rfe8 15.Rb1+=) 12.Nc6 Qe8 13.Qe2 Bc3 14.Nc3 Qc6 15.d4=; B) 10...Rb8 B1) 11.Re1 a6 (11...Qe7 12.d4 Rfe8 13.Ba5 Na5 14.Nbd2 d5 15.cd5+=; 11...Re8 12.d4 Bc3 13.Nc3 d5 14.cd5 Nd5 15.Nd5=) 12.h3 Bf5 13.Ba5 Na5 14.d4 Nc6 15.Nc3=; B2) 11.a3 Re8 12.d4 Ne4 13.Ba5 Na5 14.Nfd2 Be2 15.Qe2=; B3) 11.d4 Re8 (11...Qe7 12.Qa4 Bb6 13.Nbd2 Rbe8 14.Rac1 Ne4 15.Ne4+=) 12.Ba5 Na5 13.Nbd2 a6 14.Qc2 c5 15.Rfd1=; B4) 11.d3 Re8 (11...Bc3 12.Nc3 Re8 13.d4 a6 14.Rb1 d5 15.c5=; 11...Qe7 12.Nd4 Be2 13.Qe2 Nd4 14.Bd4 c5 15.Bb2=) 12.Ba5 Na5 13.Nc3 Nc6 14.d4 d5 15.cd5=; B5) 11.Ba5 Na5 12.Qc2 Nc6 13.d4 Qd7 14.Nc3 Rfe8 15.Rab1=; C) 10...a6 C1) 11.d4 Re8 (11...Qe7 12.Ba5 Na5 13.Qa4 b6 14.Nc3 Rfe8 15.Nd5=; 11...Rb8 12.h3 Bf5 13.Bd3 Bd3 14.Qd3 Bc3 15.Nc3=) 12.Ba5 Na5 13.Nc3 c6 14.Qb1 Rb8 15.Qb4=; C2) 11.h3 Bf5 (11...Bh5 12.d4 Qe7 13.Ba5 Na5 14.Nbd2 Bg6 15.Qa4=; 11...Bc3 12.Nc3 Bf5 13.d4 Re8 14.Bd3 Bd3 15.Qd3=) 12.Ba5 Na5 13.Nc3 Be6 14.d3 c6 15.Rb1=; C3) 11.Qb3 b6 (11...Rb8 12.d4 Re8 13.Ba5 Na5 14.Qc3 Nc6 15.Nbd2=; 11...Ra7 12.d4 Bc3 13.Nc3 Re8 14.Rfd1 Qd7 15.Nd5=) 12.d4 Re8 13.Qc2 Qe7 14.Ba5 Na5 15.Nc3=; C4) 11.a3 Qe7 (11...Re8 12.d4 Qe7 13.Qd3 Bh5 14.Ba5 Na5 15.Nbd2=) 12.d4 Rfe8 13.Qd3 Bh5 14.Ba5 Na5 15.Nbd2=; C5) 11.Ba5 Na5 12.d4 Qe7 13.Bd3 c6 14.Nbd2 b5 15.Rb1=; D) 10...Ne4 11.Ba5 Na5 12.d3 Qf6 13.Nd4 Be2 14.Qe2 Nc5 15.Qd2=; E) 10...Bb6 E1) 11.Qc2 Re8 (11...Qe7 12.h3 Bh5 13.Qb2 Ne8 14.d4 a5 15.Nbd2+=; 11...d5 12.d4 dc4 13.Nbd2 Re8 14.Bc4 Qd7 15.Qb2+=) 12.Qb2 Re6 13.d4 d5 14.a4 Ba5 15.Rc1=; E2) 11.d4 Ne4 12.Nfd2 Nc3 13.Nc3 Be2 14.Qe2 Re8 15.Qd3+=; F) 10...Re8 F1) 11.d4 Rb8 (11...Qe7 12.Qa4 Bb6 13.Nbd2 Bf5 14.Qb5 Bg6 15.d5=; 11...Ne4 12.Ba5 Na5 13.Nfd2 Be2 14.Qe2 Qh4 15.Ne4=) 12.Ba5 Na5 13.Nbd2 Nc6 14.Qc2 a6 15.h3=; F2) 11.d3 Qe7 (11...Rb8 12.Ba5 Na5 13.Nc3 c5 14.Rb1 Qe7 15.a3=; 11...d5 12.Ba5 Na5 13.cd5 Qd5 14.Nc3 Qf5 15.Qa4=) 12.Ba5 Na5 13.Nc3 c5 14.Rb1 Be6 15.Qa4=; F3) 11.Ba5 Na5 12.d4 c5 13.Nbd2 Qc7 14.Rb1 Bf5 15.Rb2=.

10.Nc3 A) 10...Qe7 A1) 11.Rb1 Qe6 (11...Rab8 12.d3 Rfe8 13.Nd5 Nd5 14.cd5 Ne5 15.Be5+=) 12.Qb3 Rab8 13.d4 Qd7 14.d5 Ne5 15.Ne5+=; A2) 11.Nd4 Bd7 (11...Bc3 12.Nc6 bc6 13.Bc3 Be2 14.Qe2 Ne4 15.Bb2+=; 11...Be2 12.Nc6 bc6 13.Qe2 Rab8 14.Rab1 Rb6 15.Na4+=) 12.Nc6 Bc6 13.d3 Qe5 14.Rc1 Rfe8 15.Bf3=; A3) 11.d4 Rfe8 (11...Rae8 12.Nd5 Nd5 13.cd5 Nd8 14.Rc1 Qe4 15.Qb3+=) 12.Rb1 Bf5 13.Bd3 Qd7 14.Nd5 Nd5 15.cd5=; A4) 11.Nd5 Nd5 12.cd5 Ne5 13.Nd4 Be2 14.Qe2 Bb6 15.f4+=; A5) 11.d3 Rae8 12.Rb1 Qe6 13.h3 Bh5 14.Qb3 Bf3 15.Bf3+=; B) 10...Re8 B1) 11.Rb1 Rb8 (11...Bf5 12.d3 d5 13.cd5 Nd5 14.Nd5 Qd5 15.e4+=; 11...d5 12.Qb3 Bc3 13.Bc3 Rb8 14.Bf6 Qf6 15.cd5+-) 12.d3 d5 13.Qb3 d4 14.Nd5 de3 15.Bf6=; B2) 11.d4 Bc3 (11...Bf5 12.Qb3 Nb4 13.Rac1 Rb8 14.Rfd1 Nc6 15.d5+=; 11...Qe7 12.Rb1 Bf5 13.Bd3 Qd7 14.Nd5 Nd5 15.cd5=) 12.Bc3 Ne4 13.Qc2 Qf6 14.Rab1 Nc3 15.Qc3=; B3) 11.Rc1 Rb8 (11...Qe7 12.Nd5 Nd5 13.cd5 Ne5 14.d3 a6 15.Nd4=; 11...a6 12.d3 Be6 13.e4 Ne5 14.Nd4 Bd7 15.Nb3=) 12.d3 Be6 13.Nb5 Bd7 14.Rb1 Qe7 15.Nfd4=; B4) 11.Qb3 Rb8 (11...Qe7 12.Nd5 Nd5 13.cd5 Ne5 14.Be5 de5 15.Qb7+=; 11...Bb6 12.d4 Qe7 13.Nd5 Nd5 14.cd5 Na5 15.Qd3=) 12.d4 Bc3 13.Bc3 Ne4 14.Rfe1 Qf6 15.Rad1=; B5) 11.d3 Rb8 (11...Qd7 12.Rb1 Rab8 13.Nb5 Qe7 14.Nfd4 Be2 15.Qe2+=; 11...Qe7 12.Nd4 Bd7 13.Nc6 Bc6 14.Bf3 Qe5 15.Bc6=) 12.Rb1 d5 13.Qb3 d4 14.Nd5 de3 15.Bf6=; C) 10...Rb8 C1) 11.d4 Bc3 (11...d5 12.cd5 Nd5 13.Nd5 Qd5 14.Qb3 Be6 15.Rfc1=; 11...Qe7 12.Nd5 Qd8 13.Nf4 Ne4 14.d5 Bc3 15.Qc1+=) 12.Bc3 Ne4 13.Bb2 d5 14.h3 Be6 15.Qc2=; C2) 11.d3 d5 (11...Re8 12.Rb1 d5 13.Qb3 d4 14.Nd5 de3 15.Bf6=; 11...Be6 12.Nb5 Qe7 13.Nbd4 Nd4 14.Nd4 Bd7 15.Nb3+=) 12.Nb5 dc4 13.dc4 Ne4 14.Nfd4 Be2 15.Qe2=; C3) 11.Rc1 Re8 (11...Qd7 12.d3 Rfe8 13.Nb5 Qe7 14.Nfd4 Bd7 15.Rb1=; 11...Bc3 12.Bc3 Ne4 13.Bb2 Re8 14.d3 Ng5 15.Rb1+=) 12.d3 Be6 13.d4 Bc3 14.Bc3 d5 15.c5=; C4) 11.h3 Be6 (11...Bf5 12.d3 Qe7 13.e4 Bd7 14.Nd5 Nd5 15.cd5=; 11...Bd7 12.Nd5 Nd5 13.cd5 Ne7 14.Bc4 c5 15.dc6=) 12.d4 d5 13.c5 Re8 14.Qa4 Bc3 15.Bc3=; C5) 11.Rb1 d5 (11...Re8 12.d3 d5 13.Qb3 d4 14.Nd5 de3 15.Bf6=) 12.cd5 Nd5 13.Nd4 Bc3 14.Bc3 Be2 15.Qe2=.

10.d3 A) 10...Bb6 A1) 11.d4 Qe7 (11...Re8 12.d5 Bf3 13.Bf3 Ne5 14.Nd2 Qe7 15.Rb1+=; 11...d5 12.Ne5 Be2 13.Qe2 Qe8 14.Nc3 dc4 15.Nc4=) 12.Nc3 Rfe8 13.h3 Bf5 14.Bd3 Qd7 15.Rb1=; A2) 11.Nc3 d5 (11...Re8 12.Nd5 Nd5 13.cd5 Ne7 14.Qb3 Ng6 15.Qc3+=; 11...Qe7 12.Nd4 Bd4 13.Bg4 Ng4 14.Qg4 Bc3 15.Bc3+=) 12.Qb3 d4 13.ed4 Bf3 14.Bf3 Nd4 15.Qd1=; A3) 11.h3 Bf5 (11...Bd7 12.Nc3 Re8 13.Rb1 Qe7 14.d4 Bf5 15.Bd3=) 12.Nc3 Re8 13.Rb1 d5 14.cd5 Nd5 15.Nd5=; A4) 11.a3 Qe7 (11...Re8 12.Nc3 Qe7 13.Rb1 Qe6 14.d4 Na5 15.Qa4+=; 11...Bf5 12.Nc3 Re8 13.Rb1 Qe7 14.Qc2 Ne5 15.Na4+=) 12.Nc3 Rfe8 13.Rb1 Bf5 14.Re1 Ne5 15.e4=; B) 10...Re8 B1) 11.Nd4 Be2 (11...Bd7 12.Nc6 Bc6 13.Bf3 Rb8 14.Bd4 Bb6 15.Bb6=; 11...Ne5 12.f4 Be2 13.Qe2 Nc6 14.Nc6 bc6 15.Na3=) 12.Qe2 Nd4 13.Bd4 c5 14.Bf6 Qf6 15.Nd2=; B2) 11.Nbd2 Bb6 (11...Qe7 12.Nd4 Ne5 13.Bg4 Nfg4 14.Ne4 Bb6 15.h3=) 12.Rb1 Qe7 13.Nb3 Bd7 14.Nbd4 Ne5 15.Qd2=; B3) 11.a3 d5 (11...Qe7 12.Nd4 Ne5 13.Bg4 Nfg4 14.Nc3 Qg5 15.Ne4+=; 11...Rb8 12.Nbd2 Bd2 13.Qd2 a6 14.Bc3 Qe7 15.Rfd1=) 12.c5 Qe7 13.Qa4 Qe6 14.h3 Bf3 15.Bf3=; B4) 11.Nc3 Rb8 (11...Qd7 12.Rb1 Rab8 13.Nb5 Qe7 14.Nfd4 Be2 15.Qe2+=; 11...Qe7 12.Rb1 Rab8 13.Nd5 Nd5 14.cd5 Ne5 15.Be5+=) 12.Rb1 d5 13.Qb3 d4 14.Nd5 de3 15.Bf6=.

10.d4 A) 10...Qe7 A1) 11.d5 Ne5 (11...Bf3 12.Bf3 Ne5 13.Be2 Rfe8 14.Qa4 Bb6 15.Nd2+=) 12.Ne5 Be2 13.Qe2 de5 14.e4 Rfd8 15.Qf3=; A2) 11.Nbd2 Rfe8 (11...Rae8 12.d5 Ne5 13.Rb1 Bd2 14.Nd2 Be2 15.Qe2+=; 11...d5 12.cd5 Nd5 13.Nc4 Bc3 14.Ba3 Bb4 15.Bb4+=) 12.Nb3 Bb6 13.a4 a5 14.Rb1 Bf5 15.Bd3=; A3) 11.Nc3 Rae8 (11...Rfe8 12.Nd5 Qe6 13.Qb3 Ne4 14.Qb7 Qd7 15.Qa6+-) 12.Nd5 Nd5 13.cd5 Nd8 14.Qa4 Bb6 15.Rfc1=; B) 10...d5 B1) 11.Qb3 dc4 (11...Rb8 12.Rd1 Be6 13.Nc3 dc4 14.Bc4 Bc3 15.Qc3+=; 11...Qd7 12.Bc3 Rfd8 13.Rc1 Rab8 14.cd5 Nd5 15.Ba5=) 12.Qc4 Re8 13.Rd1 Nd5 14.Bc3 Bb6 15.Bd2=; B2) 11.c5 Re8 (11...Ne4 12.Qc2 Bf5 13.Qa4 a6 14.Rc1 Re8 15.Bc3=) 12.h3 Bf3 13.Bf3 b6 14.Nd2 Bd2 15.Qd2=; B3) 11.cd5 Nd5 (11...Qd5 12.Nc3 Qd6 13.Qc2 Rfe8 14.Rfd1 a6 15.d5+=) 12.e4 Nf4 13.d5 Nb4 14.a3 Bf3 15.Bf3=; B4) 11.Qa4 a6 (11...Qd7 12.c5 a6 13.h3 b5 14.cb6 Bf3 15.Bf3=; 11...dc4 12.h3 Bd7 13.Qc4 Be6 14.Qa4 Nd7 15.e4=) 12.h3 Bd7 13.cd5 Nd5 14.Qb3 Be6 15.Ba3=; B5) 11.Bc3 dc4 (11...Ne4 12.Ba5 Na5 13.cd5 Qd5 14.Qe1 Nd6 15.h3+=) 12.Bc4 Ne4 13.Ba5 Na5 14.Bd3 Ng5 15.Nbd2=; C) 10...Re8 C1) 11.Nc3 Bc3 (11...Bf5 12.Qb3 Nb4 13.Rac1 Rb8 14.Rfd1 Nc6 15.d5+=; 11...Qd7 12.d5 Bf3 13.Bf3 Ne5 14.Be2 Bc3 15.Bc3=) 12.Bc3 Ne4 13.Qc2 Qf6 14.Rab1 Nc3 15.Qc3=; C2) 11.d5 Bf3 12.Bf3 Ne5 13.Na3 Nf3 14.Qf3 Ne4 15.Qg4=.

10.Nd4 Be2 11.Qe2 (11.Nc6 Bd1 (11...bc6 12.Qe2 Rb8 13.Bc3 Bc3 14.Nc3 Qc8 15.Rfb1+=) 12.Nd8 Be2 13.Bf6 Bf1 14.Nb7 Bb6 15.Kf1–/+; 11.Ne2 Rb8 (11...Re8 12.d3 Ne5 13.Nd4 c6 14.Qc2 Qd7 15.Nd2=; 11...d5 12.cd5 Nd5 13.Qb3 Qd6 14.Ng3 Nde7 15.Rc1=) 12.d3 Re8 13.Nbc3 Ne5 14.Rb1 c6 15.e4=) 11...Nd4 12.Bd4 c5 13.Bb2 Nd7 (13...d5 14.Na3 dc4 15.Nc4=) 14.d4 (14.Nc3 Nb6 15.d3=) 14...Qh4 15.dc5 (15.Na3 Nf6+=) 15...dc5= 16.Nc3 Rad8 17.g3 Qh3 18.Rac1 (18.Nb5 Nb6 19.Rad1 a6=) 18...Nf6=+ 19.f3 Rfe8 20.e4 Re6 (20...Qe6 21.Rcd1=) 21.Qg2 Qg2 22.Kg2 Rd2 23.Rf2 Rf2 24.Kf2 Ra6 (24...Bc3 25.Rc3 Nd7 26.Ke3=) 25.a3 Ne8 (25...Bc3 26.Rc3 Nd7 27.Ke2+=) 26.Nd5 Nc7 27.f4 Ne6 28.Rd1 Bb6 29.Nb6 (better 29.Ke3!?+-) 29...Rb6+= 30.Bc1 (30.Rd2 Rb3+=) 30...Rb3= 31.Rd7 Rc3 32.Be3 Rc4 33.Rb7 Ra4 34.Rb3 (34.f5 Nd4=) 34...Re4 35.f5 Nd4 36.Bd4 (36.Rb8 Kh7 37.Rb7 Nc2=) 36...Rd4 37.Rc3 (37.Rb8!? Kh7 38.Rb7=) 37...Rd5–/+ 38.g4 Re5 (38...Kf8 39.h3–/+) 39.Kf3 f6 40.h4 Kf7 41.Kf4 g6 (41...Ke7 42.Rd3–/+) 42.fg6=+ Kg6 43.h5 Kf7 44.Re3?? (better 44.Rc4=+) 44...Re3–+ 45.Ke3 Ke6 (45...Ke6 46.Ke4 a6–+) 0–1. Hasler,Ulrich – Gross,G, corr SOK–97–120, 1997.

10.Re1 A) 10...d5 11.Qb3 (11.cd5 Nd5 12.Qb3 Rb8 13.Nc3 Be6 14.Bc4 Bc3 15.Bc3=) 11...Rb8 (11...Bb6 12.cd5 Nd5 13.Nc3 Ndb4 14.d4 Be6 15.Qa4+=; 11...dc4 12.Qb7 Nb4 13.Na3 Bd7 14.Bf6 Qf6 15.Qe4=) 12.Nd4 Nd4 13.Bd4 dc4 14.Qc4 Be6 15.Qa4=; B) 10...Ne4 B1) 11.h3 Bf5 (11...Be6 12.Rf1 Re8 13.d3 Ng5 14.Nc3 Nf3 15.Bf3=; 11...Bd7 12.Rf1 Re8 13.d3 Nc5 14.Bc3 Bf5 15.Ba5=) 12.Rf1 Ng5 13.Qb3 Nf3 14.Bf3 Rb8 15.e4=; B2) 11.Qc2 Re8 (11...Qe7 12.Nc3 Bf5 13.Nd5 Qd7 14.d3 Be1 15.de4=; 11...Bf5 12.d3 Be1 13.de4 Bf2 14.Kf2 Bg6 15.Nbd2=) 12.Nc3 Bf5 13.d3 Bc3 14.Bc3 Nc3 15.Qc3=; B3) 11.Rf1 Re8 (11...Qe7 12.d3 Nf6 13.Nd4 Bd7 14.Nc6 Bc6 15.Bf3=) 12.d3 Nc5 13.Nd4 Bd7 14.Nd2 Nd4 15.Bd4=; B4) 11.a3 Re8 (11...Qe7 12.Rf1 Rfe8 13.d3 Nc5 14.Nc3 Bc3 15.Bc3=; 11...Bf5 12.Rf1 Re8 13.d3 Nc5 14.Nc3 Qf6 15.Na4+=) 12.Rf1 Nf6 13.d3 d5 14.c5 Qe7 15.Qa4=; C) 10...Qe7 C1) 11.Qb3 Rab8 (11...Bb6 12.Nc3 Rfe8 13.d3 Na5 14.Qa4 Be6 15.d4=; 11...Rfb8 12.Nc3 Bc3 13.Bc3 Ne5 14.Ne5 Be2 15.Re2=) 12.Nc3 Rfe8 13.Rab1 Qe6 14.h3 Bf5 15.d3=; C2) 11.Nc3 Rfe8 (11...Rae8 12.Qb3 Bb6 13.Na4 Qe6 14.Nb6 ab6 15.d3+=; 11...Rab8 12.d3 Rfe8 13.Rb1 Qe6 14.h3 Bf5 15.e4=) 12.Rb1 Qe6 13.d3 d5 14.Nd2 Be2 15.Ne2=; C3) 11.a3 Rfe8 (11...Rae8 12.Qb3 Rb8 13.Nc3 Rfe8 14.h3 Bh5 15.Rab1=; 11...Ne4 12.Rf1 Rfe8 13.d3 Nc5 14.d4 Ne4 15.Qc2=) 12.Nd4 Ne5 13.Nb3 Bb6 14.d3 Be2 15.Qe2=; C4) 11.Bc3 Ne4 12.Ba5 Na5 13.Nd4 Be2 14.Qe2 c5 15.d3=; C5) 11.Nd4 Nd4 (11...Be2 12.Nc6 bc6 13.Re2 Rab8 14.d3 Ng4 15.h3=; 11...Bd7 12.Nb3 Qe6 13.Na5 Na5 14.d3 Rae8 15.Bf3+=) 12.Bg4 Nc2 13.Qc2 Ng4 14.Qf5 Ne5 15.Rc1=; D) 10...Bf5 D1) 11.Qb3 Rb8 (11...Bb6 12.Nc3 Re8 13.Na4 Na5 14.Qc3 Nc6 15.Nb6=) 12.Bc3 Re8 13.Ba5 Na5 14.Qb5 c5 15.d4=; D2) 11.Bc3 Qe7 (11...Re8 12.Ba5 Na5 13.Nc3 c5 14.d4 Rc8 15.d5=; 11...Bb6 12.d4 Re8 13.Nbd2 Qe7 14.Qb3 Rab8 15.a4=) 12.Ba5 Na5 13.Nc3 Rfe8 14.d4 c5 15.Bd3=; D3) 11.a3 Re8 (11...Qe7 12.Nc3 Rfe8 13.d3 Rab8 14.Rb1 Be6 15.Qc2=; 11...Ne4 12.Rf1 Re8 13.d3 Nc5 14.Nc3 Ne5 15.e4=) 12.Nc3 Rb8 13.d3 d5 14.Qb3 Be6 15.Qa4=; D4) 11.Nc3 Re8 (11...Rb8 12.d3 Re8 13.e4 Be6 14.Rb1 Qe7 15.Qc2=; 11...Qe7 12.Qb3 Rab8 13.Nd5 Nd5 14.cd5 Nd8 15.Rec1+=) 12.d3 Rb8 13.e4 Be6 14.Rb1 Qe7 15.Qc1=; E) 10...Rb8 E1) 11.Nc3 Re8 (11...Qe7 12.d3 Rfe8 13.Rb1 d5 14.cd5 Bc3 15.Bc3=; 11...d5 12.cd5 Nd5 13.Qa4 Nf6 14.Nb5 Bf3 15.Bf3+=) 12.d3 d5 13.Qa4 dc4 14.dc4 Ne4 15.Red1=; E2) 11.Bc3 Qe7 (11...Re8 12.d4 Bc3 13.Nc3 d5 14.cd5 Nd5 15.Nd5=; 11...Bc3 12.Nc3 Re8 13.d4 d5 14.cd5 Nd5 15.Qb3=) 12.d4 Rfe8 13.Ba5 Na5 14.Nbd2 Nc6 15.Qb3=; E3) 11.Qc2 Re8 (11...Qe7 12.Nc3 Qe6 13.Nb5 Bb6 14.Nfd4 Bd4 15.Bg4=) 12.h3 Bh5 13.Nc3 Ne5 14.Ne5 de5 15.Bh5=; F) 10...Be6 F1) 11.Nc3 Rb8 (11...d5 12.cd5 Nd5 13.Bb5 Nce7 14.Nd5 Nd5 15.e4=; 11...Re8 12.Qb3 Rb8 13.Rab1 d5 14.a3 Qd7 15.d4=) 12.d4 d5 13.cd5 Nd5 14.Qc1 Qf6 15.Bb5=; F2) 11.Qb3 Rb8 12.Nc3 d5 13.Rad1 a6 14.cd5 Nd5 15.Bc4=; F3) 11.a3 Re8 (11...d5 12.cd5 Nd5 13.Qc2 a6 14.Nc3 Re8 15.Na4=; 11...Rb8 12.Nc3 Re8 13.Qc2 Ne5 14.d3 c5 15.Nd2=) 12.Nc3 Rb8 13.d4 d5 14.cd5 Nd5 15.Qc2=; F4) 11.Qc2 Re8 (11...d5 12.cd5 Nd5 13.a3 a6 14.Nc3 Re8 15.Na4=) 12.Nc3 d5 13.c5 Qe7 14.d4 Rab8 15.Rab1=; F5) 11.Bc3 Ne4 12.Ba5 Na5 13.d3 Ng5 14.Nbd2 Re8 15.Rb1+=; G) 10...Re8 G1) 11.Qb3 Ne4 (11...b6 12.Nc3 Ne5 13.Qd1 Qe7 14.d3 Bf5 15.Nd4=; 11...Rb8 12.Nd4 Bd7 13.Nc6 Bc6 14.Bc3 Bc3 15.Nc3=) 12.Qb7 Rb8 13.Qc6 Rb2 14.Qd5 c5 15.Rd1=; G2) 11.h3 Bf5 (11...Be6 12.Nc3 Rb8 13.d3 Qe7 14.e4 Ne5 15.Nd2=) 12.Qb3 Rb8 13.Nc3 Ne5 14.Red1 Qe7 15.Qa4=; G3) 11.Nc3 Qe7 (11...Rb8 12.d3 d5 13.Qa4 dc4 14.dc4 Ne4 15.Red1=; 11...Bc3 12.Bc3 Ne4 13.Bb2 Qe7 14.d3 Nc5 15.Rb1+=) 12.d3 Rad8 13.h3 Bh5 14.Qb3 Rb8 15.Qa4=.

10.h3 A) 10...Be6 A1) 11.d4 d5 12.c5 Ne4 13.Bb5 Ne7 14.Qc2 Ng6 15.Bd3=; A2) 11.Na3 Re8 (11...Rb8 12.Nb5 Re8 13.Nbd4 Nd4 14.Nd4 Bd7 15.Nb3=; 11...Qe7 12.Rb1 Rab8 13.Nb5 Rfe8 14.Nfd4 Nd4 15.Nd4=) 12.Rb1 Bb6 13.d4 Bf5 14.Nc2 Qe7 15.Bd3=; A3) 11.d3 Re8 (11...d5 12.Nbd2 Re8 13.Rb1 Bb6 14.Qc2 dc4 15.dc4=; 11...Rb8 12.Nbd2 Qe7 13.Nb3 Bb6 14.d4 Nb4 15.a3+=) 12.Nbd2 d5 13.Rb1 Bb6 14.a3 Rb8 15.Qc2=; B) 10...Bd7 B1) 11.Qb3 Re8 (11...Rb8 12.Nc3 Re8 13.d3 a6 14.Rab1 Ne5 15.Rfd1=) 12.Nc3 Rb8 13.d3 a6 14.Rfc1 Ne5 15.Rab1=; B2) 11.d4 Re8 (11...Qe7 12.Qb3 Rfe8 13.Nc3 Bc3 14.Bc3 Ne4 15.d5=) 12.Qb3 Rb8 13.Nbd2 Bf5 14.Rfd1 Bd2 15.Nd2=; B3) 11.Nc3 Re8 (11...Rb8 12.Rb1 Re8 13.d3 Ne5 14.Qc2 Qe7 15.d4=) 12.Rb1 Bf5 13.d3 d5 14.cd5 Nd5 15.Nd5=; B4) 11.d3 Qe7 (11...Re8 12.Nc3 Rb8 13.Rb1 Ne5 14.Qc2 Qe7 15.Rfd1=; 11...Rb8 12.Nbd2 Re8 13.Nb3 Bb6 14.d4 Ne4 15.Bd3=) 12.Nc3 Rfe8 13.Qb3 Rab8 14.Rab1 Bf5 15.Nd5=; B5) 11.Bc3 Re8 (11...Ne4 12.Ba5 Na5 13.d3 Ng5 14.Nc3 Re8 15.Rb1=; 11...Qe7 12.d4 Rfe8 13.Ba5 Na5 14.Nc3 Be6 15.d5=) 12.d4 Bf5 13.Ba5 Na5 14.Nc3 Qd7 15.Bd3=; C) 10...Bf5 C1) 11.d3 Bb6 (11...Qe7 12.Nbd2 Bb6 13.Nb3 Rfe8 14.a4 a5 15.Rb1=; 11...Re8 12.e4 Bd7 13.Nc3 Ne5 14.Re1 c5 15.Rb1=) 12.Nc3 Re8 13.Na4 Ba5 14.Rb1 Rb8 15.Nc3=; C2) 11.Nc3 Re8 (11...Qe7 12.Qb3 Rfb8 13.Nd5 Nd5 14.cd5 Ne5 15.Nd4=; 11...Rb8 12.d3 Re8 13.Nd5 Nd5 14.cd5 Ne5 15.Nd4=) 12.Qb3 Rb8 13.d3 Ne5 14.Rfd1 Qe7 15.Ne5=; C3) 11.d4 Re8 (11...Qe7 12.Qb3 Nb4 13.Rc1 c5 14.a3 Nc6 15.Nc3+=) 12.d5 Ne5 13.Ne5 de5 14.f4 e4 15.Bd4=; C4) 11.Qa4 Ne4 (11...Re8 12.Bc3 Bc3 13.Nc3 Qd7 14.d3 d5 15.cd5=) 12.Qb5 Qd7 13.d4 a6 14.Qb3 Rfe8 15.Nc3=; C5) 11.Qb3 Bb6 (11...Rb8 12.Nc3 Re8 13.d3 Ne5 14.Nb5 a6 15.Nbd4=; 11...Re8 12.Qb7 Be4 13.Qa6 Rb8 14.Nd4 Rb2 15.Nc6=) 12.Nc3 Na5 13.Qd1 Re8 14.d4 Nc6 15.Bd3=.

9.0-0 dc4 10.Bc4 Qe7 11.Be2 (11.d3 Rad8=+) 11...Rad8 (11...Rfe8 12.a3 Bd6 13.Qb3=+) 12.a3 Bd6 13.Nc3 a6 14.h3 Bh5 (14...Be6 15.d4=+) 15.d4= h6 (15...Rfe8 16.Qb3 b5 17.Rfc1=) 16.Qc2 Bg6 17.Bd3 Bd3 18.Qd3 Rfe8 19.Nd2 b5 (19...Qe6 20.Rfd1=+) 20.Rac1 (20.Rfc1 Na7=) 20...Qd7 (20...Nb8 21.Ne2=+) 21.Nce4 Ne4 22.Ne4 Na5 23.Nd2 f5 (23...c5 24.Qc3 b4 25.ab4 cb4 26.Qd3=) 24.Qc3 Nb7 25.Qc6 Qc6 26.Rc6 Ra8 27.g3 (27.Rfc1 a5=) 27...Nd8 28.Rc2 Nf7 (28...b4 29.ab4 Bb4 30.Rfc1=) 29.h4 (29.Nf3 Rab8=) 29...g5 30.hg5 Ng5 (30...hg5 31.Rd1=) 31.Kg2 Kf7 (31...a5 32.Rh1 Kh7 33.Nf3 Nf3 34.Kf3=) 32.Nf3 (32.Rh1 Kg6+=) 32...Nf3 33.Kf3 Re6 (33...a5 34.Rh1 Kg6 35.d5+=) 34.Rh1 a5 (34...Rg6 35.Rh5 Rf6 36.d5+-) 35.d5 Rg6 36.Rh5 b4 (36...Rg5 37.Rh6 b4 38.a4+-) 37.Rf5+- Ke7 38.ab4 ab4 39.e4 Ra5 40.e5 Bc5 41.e6 Bd6 42.Rd2?? (better 42.g4+-) 42...Re6+= 43.Rh5 (43.de6 Exploits the pin 43...Rf5) 43...Rg6 (43...c6 44.g4 (worse 44.de6 Rh5 45.Re2 Rg5–/+) 44...cd5 45.Rdd5=) 44.Re2 Kd8 45.g4 Ra2 (45...b3 46.Re3 Rb5 47.Re4=) 46.Rf5 Kc8 47.Rh5 Kb7 48.Rh1 (better 48.Ke3=) 48...Kb6?? (48...c5 49.dc6 Kc6 50.Rd1=) 49.Ra1 (better 49.Bd4 Bc5 50.Bc5 (50.Ra2?! Bd4 51.Rc1 Rg5+-) 50...Kc5 51.Ra2 Kd5 52.Ra5 c5 53.Rd1 Kc4 54.Rc1 Kb3 55.Rac5 Rf6 56.Kg3+-) 49...Ra1= 50.Ba1 Kb5 (50...c5 51.dc6 Kc6 52.Bb2=) 51.Re4 (51.Re6 Rg5 52.Rh6 Kc4=) 51...Kc5 (51...Rg5 52.Re6 Rd5 53.Rh6 c5=+) 52.Re6 (52.Be5!?=) 52...Re6=+ 53.de6 Kd5 54.Bg7 Ke6 55.Bh6 (55.Ke4!?–/+) ½–½. Franke,Roland – Boeckenhaupt,Rudi, Bahn–chT Bernkastel–Kues, 1995.

9.0-0 Qd6 10.cd5 Nd5 11.d4 Rfe8 12.Nbd2 Nf6 (12...Qg6 13.a3 Bc3 14.Qc1+=) 13.Nc4 Qd5 14.Nce5 Bh5 (14...Ne5 15.de5 Qd1 16.Rfd1 Ne4+=) 15.Bc4+/– Qd6 16.Qb3 (16.Qa4 Ne4+/–) 16...Rf8 (16...Na5 17.Bf7 Kf8+=) 17.Nc6 bc6 18.Ne5 Ne4 (18...c5!?+/–) 19.Qc2 Nd2 20.Rfc1 c5 (better is 20...Nc4 21.Qc4 Bd2+-) 21.Bc3?? (21.a3 Nc4 22.Nc4+- (22.Qc4?! Bd2 23.dc5 Bc1 24.cd6 Bb2+-; 22.ab4?! Nb2 23.bc5 Qd5 24.Qb2 f6+-)) 21...Nc4 22.Nc4 Bc3?? (better is 22...Qf6 23.Bb4 cb4+/–) 23.Qc3 Qd5 ½–½. Ho,Men Wei – Oliveira,Tiago Lopes, Wch U08 Vung Tau, 2008.

9.a3 Bd6 10.0-0 =+.

9.h3 Bh5 10.Nc3 (10.a3 Be7 11.cd5 Nd5 12.Qb3=) 10...d4 (better 10...dc4!? 11.Bc4 Ne5=+) 11.Nd4= Be2 12.Nde2 (12.Qe2? Nd4 13.Qd1 Ne6-+) 12...Ne5 13.d4 Nc4 14.Rb1 (14.Qb3 Bc3 15.Nc3 Nb6=) 14...Nb2 (14...b5 15.0-0 a6 16.Qc2=+) 15.Rb2= a5 16.a3 Ba3 17.Rb7 Bb4 18.0-0 Qc8 19.Rb5 Rd8 20.Rg5 (20.Qa4 c6 21.Rb6 c5=) 20...c5=+ 21.Rg3 (21.Na4 Ne4 22.Re5 Nd2=) 21...g6 (21...Qc6 22.Qd3=+) 22.Qb3 (22.Qa4=+) 22...a4 (22...Bc3 23.Nc3 cd4 24.ed4 Rd4 25.Re1-/+) 23.Qb1 (23.Na4!? Ne4 24.Rf3+=) 23...a3 (23...Bc3!? 24.Nc3 cd4 25.ed4 Qc4-/+) 24.Na2=+ Qb7 (24...Qa6 25.Nf4=+) 25.Nf4 (25.dc5 Rdb8 26.Qf5= (worse 26.Nb4 Qb4 27.Qa1 Ne4-/+)) 25...Rab8 26.h4? (26.dc5 Bc5 27.Qf5-+) 26...cd4 (better 26...Ne4!? 27.Rg4 Nd2-+) 27.ed4 Bd6 28.Rf3 (28.Qb7 Rb7 29.Rf3-+) 28...Qb1 29.Rb1 Rb1 30.Kh2 0-1. hurvajsmanka (1735) - giorga_mgeli, Rated Bullet tournament, lichess.org, 2014.

10.0-0 Nb6 11.Qc2 Qd6 12.a3+= Ba5 13.Ng5 Qh6 14.Nf7 Rf7 15.Bg4 Rd8 16.d4 Qg5? 17.Be6+- Rdf8 18.Bc3 Bc3 19.Nc3 Qg6 20.Qg6 hg6 21.Nd5 Nd5 22.Bd5 Kh7 23.Bf7 Rf7 24.Rab1 b6 25.Rfc1 Nd8 26.Kf1 g5 27.Rb5 g4 28.Rg5 1–0. pierre – gbymar, chessworld.net, 2006.

10.0-0 Qd6 11.a3 Ba5 12.d4 Bb6 13.e4 Nf4=+ 14.d5 Ne2 15.Qe2 Nd4! 16.Qd3? Nf3–+ 17.gf3 Bh3 18.Rc1?? Qg6 19.Kh1 Qg2# 0–1. Pies,Gerhard – Lessing,Sebastian, Leverkusen–ch op, 2005.

10.0-0 Qd6 11.d4 Qg6 12.Qb3 Bh3 13.g3? Bf1–+ 14.Bf1 Rad8 15.a3 Be7 16.Nc3 Nb6 17.Rd1 Kh8 18.a4 a6 19.Ba3 Na5 20.Qa2 Ba3 21.Qa3 Qd6 22.Qd6 Rd6 23.Ne4 Rdd8 24.Nc5 Rfe8 25.Rb1 Rb8 (26.Ne5 Re7–/+) 0–1. Reg_UK (2180) – FABOLOUS (2405), ChessWorld.net, 2003.

10.0-0 Bd6 11.Nc3 Nc3 12.Bc3 Qe7 13.Qa4 Bd7 14.Qc2 Ne5 15.Qb2 Rfe8 16.Ne5 Be5 17.Be5 Qe5 18.d4 Qd6 19.Qb7 Bc6 20.Qb3 Re6 21.Bc4 Rh6 22.Bf7 Kh8 23.f4 Rf8 24.Rf2 Qe7 25.Bc4 Qh4 26.h3 Qg3 27.d5 Bd7 28.e4 Rh3 29.Qg3 Rg3 30.Rc1 g5? (30...c6+-) 31.fg5 Rf2 32.Kf2 Rg5 33.Bb3 1–0. Broniek,Mariusz Maciej (2295) – Steinert,Martin, 35. LSS No Engine Cup Preliminary, 2011.

10.0-0 Qd7 11.a3 Ba5 12.d4 Rfe8 13.Qc2 Qe6 14.Nc3 Nc3 15.Bc3 Bf5 16.Qb2 Bc3 17.Qc3 Qf6 18.Rac1 Be4 19.Rfd1 Bd5 20.Ne1 Rad8 21.Bf3 a6 22.Qc5 Qf5 23.Rb1 b6 24.Qc3 Re6 25.Bd5 Qd5 26.Nd3 Qe4 27.Rbc1 Red6 28.Ne1 R8d7 29.Qd3 Qd3 30.Nd3 f6 31.Kf1 Kf7 32.Ke2 Ne7 33.Rc3 Nd5 34.Rc2 Ne7 35.h4 h5 36.Nf4 c5 37.Rcd2 Nd5 38.Nd5 Rd5 39.dc5 Rd2 40.Rd2 Rd2 41.Kd2 bc5 42.Kc3 Ke6 43.Kc4 Kd6 44.e4 g5? 45.a4 gh4= 46.f4 Kc6 47.e5 fe5 48.fe5 a5 49.e6 Kd6 ½–½. hertford – yuyuplotter, ChessWorld.net, 2002.

10.0-0 Qe7 11.a3 Bd6 12.Nc3 Nc3 13.Bc3 Rad8 14.Rb1 b6 15.h3 Bf5=+ 16.d4? Bb1–+ 17.Qb1 Ba3 18.Bb5 Na5 19.Ne5 Bd6–+ 20.Ba5 Be5 21.Bb4 Bd6 22.Bc3 Qg5 23.f4 Qe7 24.e4 c5 25.d5 Qh4 26.e5–/+ Bb8 27.d6 Qg3 28.Rf3=+ Qg6 29.f5 Qg5 30.Kh2 Kh8 31.Rg3 Qf4 32.e6 Qg3 33.Kg3= Bd6 34.Kg4 fe6=+ 35.fe6? Rf4–+ 36.Kh5?? Be7 37.g4 Rd5 38.Qf5 Rff5 39.gf5–+ Rf5 40.Kg4 Rg5 41.Kf4 Rh5 42.Kg4 Rh6 0–1. vhilts (2260) – pauljohnson (2215), net–chess.com, 2010.

10.0-0 Re8 11.a3 Bd6 12.Nc3 Nb6 13.Nb5 a6 14.Nd6 Qd6 15.Nd4 Be2 16.Ne2 Rad8 17.d4 Re6 18.Ng3 Rh6 19.d5 Qd5–/+ 20.Qd5 Rd5 21.Rad1 Rd1 22.Rd1 Nc4 23.Bd4 Na3 24.Nf5 Rg6?? 25.Bc5+/– Nb5 26.Ne7+- Kh8 27.Nc6 h6 28.Ne5 Rf6 29.Rd7 Kg8 30.Bd4 b6 31.Nf3 Rc6 32.h4 a5 33.g4 a4 34.Ne5 Rc1 35.Kg2 a3 36.Nd3?? Rb1 37.Rd8 Kh7 38.Ra8 c5 39.Nc5 Nd4 40.ed4= bc5 41.dc5 Rb4 42.f3 Rb2 43.Kg3 a2 44.c6 Rc2 45.c7 ½–½. hal1958 – Marius_sah, HCL–A1281 playchess.de, 2003.

10.0-0 Re8 11.a3 Bd6 12.Nc3 Nb6 13.Qc2 a6 14.Ne4 Bf5 15.d3 Be4 16.de4 Qe7 17.Rfd1 Rad8 18.Bd3 h6 19.Nd4+= Nd4 20.ed4 Qd7 21.e5 Be7 22.Rab1 Rb8 23.Bf5 Qd8 24.d5 Nd5 25.e6 f6 26.Qe4 c6 27.Qg4 (27.Qg4 Bd6 28.Qg6+-) 1–0. Trokenheim,Marek (1800) – Kis_Kos,Laszlo, FICGS, 2008.

10.Nc3 Nc3 11.Bc3 Bc3 12.dc3 Qf6 13.0-0 Qc3 14.Qa4 Bh5 15.Rac1 Qf6 16.Rfd1 Rad8 17.h3 a6 18.g4 Bg6 19.Nd4 Nd4 20.Rd4 Rd4 21.Qd4 Qd4 22.ed4 Rc8 23.Bf3 c6 24.d5 c5 25.d6 b6 26.d7 Rd8 27.Re1 f6 28.Re6 (better is 28.Bc6!?=) 28...Rd7-/+ 29.Rb6 Rc7 30.Bd5 Bf7?? (better is 30...Kf8 31.Bc4 Bf7-/+) 31.Rb8 (31.Rb8 Rc8 32.Rc8) 1–0. Rush,Bradley – Guaimare,Carlos, RF–2011–0-00094, 2011.

9.0-0 a6 10.Bf6+/- gf6 11.d4 b5 (11...d5 12.a3 Be7 13.cd5 Qd5 14.Nc3+/-) 12.Nbd2 (12.a3!? Ba5 13.cb5 Bf3 14.gf3 ab5 15.Bb5+-) 12...bc4+/- 13.Bc4 d5 14.Be2 Kh8 15.h3 (better 15.a3 Bd6 16.Qc2+/-) 15...Bh3=+ 16.gh3? (better 16.Nh4=+) 16...Qh3 17.Nh2 Rg8 18.Kh1?? (18.Bg4 f5 19.Kh1 fg4 20.Rg1-+) 18...Bd2 (18...Qg2) 19.Qd2?? (better 19.Bg4 Qh4 20.Qd2 Rg4 21.Rg1-+) 19...Rg6 (19...Qg2) 20.Rg1+- Rag8 (20...Rh6 21.Rg2+-) 21.Rg6 (21.Ba6?? Qh2!? 22.Kh2 Rh6) 21...Rg6 22.Rg1 Rh6 23.Rg2 Ne7 (23...Qc8 24.Qc3 f5 25.Qc5+-) 24.Qe1 (24.Qb4 Qe6+-) 24...Nf5? (24...Rg6 25.Rg6 fg6 26.Qa5+-) 25.Qg1 (25.Qb4 Ng3 26.fg3 Kg7+-) 25...Rg6 (25...Ne7 26.Qc1 Qd7 27.Ba6+-) 26.Rg6 (better 26.Bg4 Rg4 27.Rg4 Nh6+-) 26...fg6 27.Qg2 (27.Qg2 Qg2 28.Kg2+-) 1-0. cucosant2 (1665) - indica09 (1700), Rated Blitz game, lichess.org, 2020.

9.0-0 Rad8 10.Nc3 Ne5 11.Nd4 (11.Nd5!? Nd5 12.Ne5 Be2 13.Nd7 Bd1 14.Nf8+=) 11...Be2 (11...Nc4!? 12.Nd5 A) worse 12...Nb2 13.Nf6 gf6 A1) worse 14.Bg4 Nd1 15.Bd7 Ne3 (15...Rd7?! 16.Rfd1 d5 17.Nf5=) 16.de3 Rd7-/+; A2) 14.Qb3=+; B) 12...Nd5 13.Bg4 Nb2-/+) 12.Qe2=+ c6 (12...c5 13.Nf3=+) 13.f4= Bc3 14.Bc3 Ng6 15.Rab1 Ne4 16.Ba1 b6 17.d3 Nc5 18.e4 Rfe8 19.Nf5? (better 19.Qc2=) 19...Qf5!-+ 20.ef5 Re2 21.fg6 Nd3 (21...hg6 22.d4 Ne6 23.d5 cd5 24.cd5-+) 22.gh7 Kh7 23.Rf3 Nc5 24.Rh3 Kg8 25.Rg3 g6?? (25...Rde8!? 26.Bd4 Ne6 27.Bc3 Ra2 28.Re1-+) 26.f5?? (better 26.Bf6 Ne4 27.Bd8 Ng3 28.hg3 Ra2 29.Rd1+-) 26...Rde8 (26...Ra2?! 27.Bf6 Ne4 28.Bd8 Ng3 29.hg3 gf5 30.Rd1=+) 27.Kf1 (27.Rf1 Ra2 28.fg6 f6-/+) 27...R2e3 (27...Ra2 28.fg6 Ne4 29.gf7 Kf7 30.Rf3 Kg8 31.Kg1-+) 28.fg6 (28.Re3 Re3 29.fg6 fg6-/+) 28...Rg3-+ 29.gf7 Kf7 30.hg3 Re4 31.Rd1 (31.Rc1 Nd3 32.Rd1 Rc4 33.Rd3 Rc1 34.Ke2 Ra1 35.Rd6 Ra2 36.Kd3 c5-+) 31...Rc4 32.Bh8 d5 33.Kf2 (33.Re1 Ne4-+) 33...Ne4 (33...Rc2 34.Ke3 Ra2 35.g4-+) 34.Kf3 Rc3 (34...Kg8 35.Be5-+) 35.Kf4?? (better 35.Bc3 Nc3 36.Rd3 Na2 37.Ra3=+) 35...Rg3-+ 36.Ke5 (36.Rc1 Rg2 37.Rc6 Ra2-+) 36...Rg2 37.Rf1 (37.Rc1 Rg5 38.Kf4 c5-+) 37...Ke7 (37...Kg8 38.Bf6 Ra2 39.Rg1 Kh7 40.Bd8-+) 38.Rc1 Rg5 (38...Nc5 39.Ra1-+) 39.Kf4 Rg6 40.Be5 Kd7 41.Rh1 c5 (41...Re6!? 42.Rh5-+) 42.Rh7 Kc6 43.Ra7 Rg2 (43...Rg1 44.Re7-+) 44.a4 Rf2 (better 44...Nd6!? 45.Rh7 Rg6 46.Bd6 Rf6 47.Ke3 Kd6 48.Rh3-+) 45.Ke3 (45.Ke3 b5 46.Ra6 Kb7 47.ab5-+). carlos78 (2305) - armine (2070), Rated Blitz game, lichess.org, 2015.

9.0-0 Rad8 10.Bf6!? gf6 11.a3+/-.

9.0-0 Qe6= 10.Qb3 (10.a3 Bc5=+) 10...a5 (10...Ne4 11.d3 Nc5 12.Qc2=+) 11.d4 (11.Nc3 Rfb8=) 11...a4=+ 12.Qc2 a3 13.d5?? (better 13.Bc1!?=+) 13...ab2-+ 14.Qb2 (14.de6?? ba1Q (worse 14...ba1N 15.ef7 Rf7 16.Qb2+/-; 14...ba1B?! 15.ef7 Rf7 16.Ng5 Be2 17.Qe2-+) 15.Na3 A) 15...Ba3?! 16.ef7 (worse 16.Ra1 fe6 17.Nd4 Nb4-+) 16...Rf7 17.Ra1-+; B) 15...Qc3 16.Qc3 Bc3-+ (16...Ra3?! 17.ef7 Rf7 18.Qb2-+; 16...Ba3?! 17.Rb1-+)) 14...Nd5 15.cd5 Qd5 16.Nc3 (16.Rd1 Qh5-/+) 16...Bc3 17.Qc3 Ra2 18.Bc4 Qa5 19.Qa5 Ra5 (19...Na5? 20.Ba2 Bf3 21.gf3+-) 20.Nd4 Ra1 21.Ra1 Nd4 22.ed4 Be6 (22...c6 23.h3 Bf5 24.g4-+) 23.d5 Bf5 24.f3 c6 (24...h5 25.Re1-+) 25.dc6 (better 25.Ra7!?-/+) 25...bc6-+ 26.g4 Be6 27.Bd3 (27.Be6 fe6 28.Rd1 d5-+ (28...Rf3?! 29.Rd6 c5 30.Re6-+)) 27...c5 28.g5 (28.Kf1 c4 29.Be2 d5-+) 28...c4 29.Bc2 d5 30.Rd1 Rb8 (30...Rd8 31.Rd4-+) 31.f4 Rb2 32.Be4 f5 (32...c3 33.f5 Kf8 34.fe6 de4 35.Rf1-+) 33.gf6 (33.Bd5 Bd5 34.Rd5-+) 33…de4 (33...de4 34.Re1 c3-+) 0-1. Rush,Bradley - Abrahamsen,Jesper, IECG, 1995.

9.0-0 Qe7!?=.

9.0-0 Rfe8 10.d4 Ba5 11.Nc3 (11.h3 Bf5 12.Nbd2 (12.d5 Ne5 13.Ne5 de5 14.Nc3 b6 15.Bd3 Bb4 16.Qb1 Bg6 17.Bg6; 12.Nc3 Bc3 13.Bc3 Ne4 14.Bb2 b6 15.Qb3 a5 16.Rad1 a4 17.Qa3) 12...Nb4 13.Nb3 Bc2 14.Qe1 b6 15.Na5 ba5 16.a3 Nd3 17.Qd2; 11.Qb3 Bf5 (11...Ne4 12.h3 Bf5 13.Nc3 Bc3 14.Bc3 b6 15.d5 Ne5 16.Ne5 de5 17.f3) 12.d5 (12.Nbd2 Nb4 13.a3 Na6 14.Rfd1 Rab8 15.Nh4 Be6 16.Qc2 Qe7 17.Ndf3; 12.Nh4 Bg4 13.Nf3 Ne4 14.h3 Bf5 15.Nc3 Bc3 16.Bc3 b6 17.d5) 12...Ne5 13.Ne5 de5 14.Nc3 Qd6 15.Rad1 a6 16.Ba3 Qb6 17.Na4; 11.Nbd2 Bd2 12.Nd2 (12.Qd2 Ne4 13.Qd1 f6 14.d5 Nb4 15.a3 Na6 16.Nd4 Be2 17.Qe2) 12...Be2 13.Qe2 d5 14.Bc3 h6 15.Rab1 Rab8 16.Rfe1 dc4 17.Qc4) 11...a6 (11...d5 12.c5= (12.Qb3 dc4 13.Bc4 h6 14.Rad1 Bf3 15.gf3 a6 16.Kg2 Bc3 17.Bc3; 12.cd5 Nd5 13.Nd5 Qd5 14.Qb3 Be6 15.Rfc1 Qb3 16.ab3 Bb6 17.Ra3) 12...b6 13.h3 Bh5 14.Qa4 Bc3 15.Bc3 Ne4 16.Rac1 Bf3 17.Bf3; 11...Bc3 12.Bc3 Ne4 13.Qc2 f6 14.Rab1 Rab8 15.h3 Bh5 16.Rb2 a6 17.Rd1; 11...Bf5 12.d5 (12.Nd5 Ne4 13.Qb3 Ne7 14.Rfc1 c6 15.Nc3 f6 16.h3 b6 17.a4; 12.Rc1 h6 13.Nd5 Ne4 14.h3 Ne7 15.Qb3 Rab8 16.Bd3 c6 17.Nf4) 12...Ne5 13.Ne5 de5 14.Qb3 Qd6 15.Nb5 Qb6 16.Nc3 h6 17.Qb6; 11...Rab8 12.h3 (12.Nd5 Ne4 13.Rc1 Qd8 14.Qd3 h6 15.h3 Bf5 16.Qa3 Re6 17.Bd3; 12.Qb3 Bc3 13.Bc3 Ne4 14.h3 Bh3 15.gh3 Qh3 16.d5 Qg4 17.Kh2; 12.Rc1 Bc3 13.Bc3 Ne4 14.Qc2 f6 15.h3 Bf5 16.d5 Ne7 17.Bd3) 12...Bc3 13.Bc3 Ne4 14.Qc2 Bf5 15.Bd3 d5 16.Nd2 Qe6 17.Rab1) 12.d5 (12.Nd5 Ne4 13.Rc1 Ne7 14.Nf4 Ng6 15.Nd5 Bf3 16.Bf3 Nd2 17.g3) 12...Ne7 (12...Bf3 13.gf3 Ne5 14.Qa4 Qh3 15.Qa5 Nf3 16.Bf3 Ng4 17.Bg4) 13.a4 (13.h3 Bf3 14.Bf3 Nf5 15.Rb1 Nh4 16.Be2 Qf5 17.g4) 13...Ng6 (13...Bc3 14.Bc3 Ne4 15.Qc2 Nc3 16.Qc3 Ng6 17.Nd4) 14.Nd4 (14.Qc2 h6 15.h3 Bf5 16.Bd3 Bd3 17.Qd3) 14...Ne5 (14...c5 15.Nb3 (15.Bg4 Ng4 16.Nb3 Bb4 17.h3) 15...Bc3 16.Bc3 Be2 17.Qe2=) 15.Nb3 (15.f3 Bh5+= 16.g4 Bg6 17.g5) 15...Bb6 (15...Nc4 16.Na5 Na5 17.f3=) 16.a5= (16.h3 Be2 17.Ne2) 16...Ba7 17.Nd2 (17.h3=+) 17...Bf5 18.Nf3 Ng6 (18...Rab8 19.Nd4=) 19.Nd4 Bg4 20.Nf3 Bf5 21.Nd4 Bg4 ½–½. Veer,Willem – Sammut,R (1825), 36th Olympiad, Calvia ESP (5), 2004.

9.0-0 Rfe8 10.d4 d5 A) 11.Qb3 dc4 12.Qc4 (12.Bc4 Bd6 13.Nbd2 Na5 14.Qb5 Nc4 15.Qd7 Bd7 16.Nc4 b5 17.Nce5) 12...Be6 13.Qc1 h6 14.Ne5 Qe7 15.f4 Ne4 16.a3 Ba5 17.Nc3; B) 11.Nbd2 B1) 11...Bd2 12.cd5 (12.Qd2 Ne4 13.Qd1 dc4 14.Bc4 Bf3 15.gf3 Nd6 16.Be2 b5 17.Qc2; 12.Nd2 Be2 13.Qe2 Qf5 14.Bc3 h6 15.Rab1 b6 16.f3 Rad8 17.Rbc1) 12...Qd5 13.Qd2 Ne4 14.Qd3 Nb4 15.Qb5 Qb5 16.Bb5 c6 17.Be2; B2) 11...Bh5 12.a3 (12.cd5 Qd5 13.Bc4 Qd6 14.Qa4 a6 15.Bd3 b5 16.Qc2 Bd2 17.Qd2; 12.Ne5 Be2 13.Qe2 Qe6 14.e4 Ne5 15.de5 dc4 16.Nc4 b5 17.Rfc1; 12.h3 Rad8 13.a3 Bd2 14.cd5 Qd5 15.Qd2 Ne4 16.Qc2 Qe6 17.Rac1; 12.Rc1 Rad8 13.Bc3 a5 14.h3 h6 15.c5 Ra8 16.Qc2 Ne4 17.Ne4) 12...Bd2 13.cd5 Qd5 14.Qd2 Ne4 15.Qc2 Rad8 16.h3 Re7 17.Rab1; B3) 11...a6 12.h3 Bf5 13.a3 Bd2 14.Nd2 h6 15.Qb3 b6 16.Bc3 Na5 17.Ba5; B4) 11...Qe6 12.a3 (12.h3 Bf3 13.Nf3 dc4 14.Qc2 b5 15.Ng5 Qd6 16.a3 Ba5 17.d5; 12.cd5 Nd5 13.e4 Bd2 14.Nd2 Be2 15.Qe2 f5 16.e5 Rad8 17.f4; 12.Rc1 h6 13.h3 Bf5 14.a3 Bd6 15.Qa4 a6 16.c5 Be7 17.Ne5; 12.Qc2 Bf5 13.Qb3 a5 14.cd5 Nd5 15.Bc4 a4 16.Bd5 ab3 17.Be6; 12.c5 Bd2 13.Nd2 Rab8 14.Nf3 Ne4 15.h3 Bf3 16.Bf3 Na5 17.Qd3) 12...Bd2 13.cd5 Qd5 14.Qd2 Rad8 15.Qc2 Bf5 16.Qa4 Be4 17.h3; B5) 11...Rad8 12.h3 Bh5 13.a3 Bd2 14.cd5 Qd5 15.Qd2 Ne4 16.Qc2 Re7 17.Rab1; B6) 11...h5 12.h3 Bf5 13.a3 Bd6 14.Ng5 Be7 15.Bc3 b6 16.Re1 h4 17.Qb3; B7) 11...h6 12.Ne5 (12.h3 Bh5 13.Ne5 Be2 14.Qe2 Qd6 15.Ndf3 Ne4 16.Rac1 Rab8 17.Qc2) 12...Be2 13.Qe2 Qd6 14.Ndf3 Ne4 15.cd5 Qd5 16.Nc6 bc6 17.Rac1; C) 11.a3 Ba5 12.h3= (12.Qb3 dc4 13.Bc4 Bf3 14.gf3 Rab8 15.Rc1 Bb6 16.Qa2 Na5 17.Be2) 12...Bf3 13.Bf3 dc4 14.Qa4 Ne4 15.Qc4 Qf5 16.d5 Nd6 17.Qc5.

9.0-0 Rfe8 10.d4 Ne4 A) 11.d5 Ne7 12.h3 (12.Qc2 Nf5 13.h3 Bf3 14.Bf3 Qe7 15.Nc3 Bc3 16.Bc3 Nh4 17.Qe4) 12...Bh5 13.Qc2 Bg6 14.Qb3 a5 15.a3 Bc5 16.Nc3 f6 17.Na4; B) 11.a3 Ba5 12.Qc2 d5 13.cd5 Qd5 14.Nc3 Bc3 15.Bc3 Rab8 16.Rab1 a6 17.h3; C) 11.h3 C1) 11...Bh5 12.a3 (12.d5 Na5 13.a3 Bc5 14.Nbd2 f5 15.Ne4 Re4 16.Nd2 Be2 17.Qe2) 12...Ba5 13.d5 Ne7 14.Nbd2 Bd2 15.Nd2 Be2 16.Qe2 Nf5 17.Ne4; C2) 11...Bf5 12.Nfd2 (12.Qb3 a5 13.Nc3 Bc3 14.Bc3 a4 15.Qa3 f6 16.Nh4 b6 17.Bd3; 12.d5 Ne5 13.Qb3 a5 14.a3 Bc5 15.Be5 de5 16.Nc3 a4 17.Qb2) 12...Nf6 13.Nc3 h6 14.a3 Ba5 15.Nd5 Nd5 16.cd5 Ne7 17.Nc4; D) 11.Qb3 D1) 11...Qc8 12.d5 (12.a3 Ba5 13.Rd1 Ng5 14.Nbd2 Bd2 15.Rd2 Bf3 16.gf3 Nh3 17.Kg2) 12...Nc5 13.Qc2 Bf5 14.Qd1 Ne7 15.Nc3 h6 16.Na4 Ne4 17.Qb3; D2) 11...a5 12.a3 (12.Qc2 Bf5 13.Nh4 d5 14.a3 Bd6 15.cd5 Ne7 16.Nf5 Qf5 17.f3) 12...a4 13.Qc2 Ba5 14.d5 Nb8 15.Nd4 Be2 16.Qe2 Na6 17.f3.

9.0-0 Rfe8 10.d4 Qf5 A) 11.h3 Bh5 12.Nc3 (12.a3 Ba5 13.Nc3 Bc3 14.Bc3 Ne4 15.Qc2 Qf6 16.Bb2 Qg6 17.d5) 12...Bc3 13.Bc3 Ne4 14.Qc2 Qg6 15.Rab1 b6 16.Nh4 Qf6 17.Bh5; B) 11.a3 Ba5 12.h3 Bh5 13.Nc3 Bc3 14.Bc3 Ne4 15.Qc2 Qg6 16.Rab1 b6 17.Nh4.

9.Bf6 gf6 10.a3 Ba5 +=.

9.0-0 Nb6 A) 10.d3 d5 (10...Re8 11.a3 Ba5 12.Nbd2 Qd7 13.Rb1 Rab8 14.h3=) 11.Nd4 Bd7 12.Bf3 dc4 13.Nc6 bc6 14.Nc3=; B) 10.a3 Ba5 11.d3 Re8 12.Nbd2 Qd7 13.Rb1 Rab8 14.h3=.

9.0-0 Nce5 10.Ne5+= Be2 11.Qe2 (11.Nf7 Bd1 12.Nd8 Be2+=) 11...Ne5 (11...de5 12.d4=) 12.a3 Ba5 13.d4 Ng6 14.Bc3 c6 15.Qb2 Rb8 16.Ba5 Qa5 17.Nc3 Qd8 18.f3 Qg5 19.f4 Qg4 (19...Qf6!?=) 20.f5+= Nh4 (20...Nh8!?+=) 21.Rf4+- Qg5 (better 21...Qh5!? 22.Qf2 g5 23.fg6 Ng6+-) 22.Qf2+- Ng6 (22...Rfe8 23.Rh4 Qe3 24.Rh3 Qf2 25.Kf2+-) 23.Ne4 Qe7 (23...Qh5 24.fg6 Qg6 25.Qf3+-) 24.fg6 fg6 25.Rf1 h6 (25...Rf4 26.Qf4 Rd8+-) 26.Rf8 Rf8 27.Qf8 Qf8 28.Rf8 (28.Rf8 Kf8 29.Nd6+-) 1–0. Guestcello – Jjfv97, internet, 2019.

9.0-0 Re8 A) 10.d3 Nc5 (10...Nb6 11.a3 Ba5 12.Nbd2 Qd7 13.Rb1 Rab8 14.h3=; 10...Bc5 11.Nc3 Nb6 12.d4 Bb4 13.Qb3 Ba5 14.Rad1=) 11.a3 Ba5 12.d4 Ne4 13.d5 Ne7 14.Nbd2=; B) 10.a3 Ba5 11.d3 (11.Nc3= Nb6 12.d3 Qf6 13.Qc2 Bc3 14.Bc3=) 11...Nc5 12.d4 Ne4 13.d5 Ne7 14.Nbd2=; C) 10.d4 Nb6 11.Qb3 a5 12.a3 a4 13.Qc2 Ba5 14.c5=.

9.0-0 f5 10.d4 (10.a3 Ba5 11.h3 Bh5 12.Nc3 Nb6 13.Qb3 f4 14.Rae1=) 10...Qe7 (10...Rb8 11.Nc3 f4 12.Nd5 fe3 13.fe3 Qe8 14.Qc2+=; 10...f4 11.a3 Ba5 12.e4 Qe7 13.h3 Bh5 14.Nbd2=) 11.Nbd2 (11.a3 Ba5 12.Nc3 Nb6 13.Nd5 Qf7 14.Nb6+=) 11...Rae8 (11...f4 12.e4 Rae8 13.Re1 Nf6 14.a3=) 12.h3 (12.Nb3 Nb6 13.a3 f4 14.ab4+-) 12...Bh5 (12...Bd2 13.Qd2 Bh5 14.Rfe1=) 13.a3 (13.Nb3 d5 14.cd5+=) 13...Ba5 (13...Bd2 14.Nd2=) 14.Qc2 (14.d5 Nce5 15.Ne5 Be2 16.Qe2 de5 17.Nb3=) 14...Nf6 (better 14...f4 15.e4 Bd2 16.Qd2 Qe4=) 15.Nb3+- b6 16.c5 (better 16.Qf5 Bg6 17.Qb5+-) 16...Rb8? (better 16...Qd7+=) 17.cd6+- (17.Na5?! Na5 18.cd6 cd6 19.Qf5 Bf3 20.Bf3 Nc4+-) 17...Qd6 18.Qf5 (better 18.Rfc1!? Bf7 19.Ne5+-) 18...Bf7+- 19.Na5 Na5 20.Ne5 Be6 21.Qd3 Nd7 22.f4 Rbd8 23.Qc3 c6 (23...Ne5 24.fe5 Qe7 25.e4+-) 24.a4 Qc7 25.d5! Ne5 (25...cd5 26.Qc7) 26.de6 (26.fe5?! Bd5 27.Rf4 Nb3=) 26...Ng6 27.f5 Nh8 28.Bh5 Rf6 29.Qa3 Nc4 (29...Rh6 30.f6 Rh5 31.f7 Nf7 32.ef7 Qf7 33.Rf7 Kf7 34.Rf1 Ke6 35.Qa2 Rdd5 36.e4+-) 30.Qa2 (30.Bf6?! Na3 31.Bd8 Qd8 32.Ra3 g6+-) 30...b5 31.ab5 (31.ab5 cb5 32.Bf6 gf6 33.Qa7+-) 1–0. Bivens,William H – Shumaker,Steve, corr USA, 1984.

9.a3 Ba5 (9...Bc5 10.d4 Bb6 11.0-0 Re8 12.Bd3 Ba5 13.h3 Bh5 14.Bc3+=) A) 10.h3 Bf5 (10...Be6 11.0-0 Nce5 12.d3 Qf6 13.Nd4 Qg6 14.Ne6+=) 11.0-0 Re8 12.d3 Nde5 13.Qb3 Nf3 14.Bf3=; B) 10.Nc3 Nb6 (10...Nde5 11.d4 Nf3 12.Bf3 Bf5 13.Qa4 Qe7 14.Bc6+=; 10...Nce5 11.Ne5 Ne5 12.0-0 Nc4 13.Bg4 Nb2 14.Qb3=) 11.Qb3 Re8 12.0-0 Bc3 13.Bc3 Ne5 14.Be5=; C) 10.0-0 Re8 (10...Bf5 11.d3 Re8 12.Nbd2 Qe7 13.Nb3 Bb6 14.Nbd4=; 10...Qe7 11.d3 Rfe8 12.Nc3 Qf6 13.Qc2 Bc3 14.Bc3=) 11.d3 Nc5 12.d4 Ne4 13.d5 Ne7 14.Nbd2=.

9.Nc3 Nb6 A) 10.Qb3 A1) 10...Qd7 11.a3 (11.Nd5 Ba5 12.Rd1 Bf5 13.0-0 Rfe8 14.d3 a6=; 11.0-0 Rfe8 12.d4 a5 13.Nd5 a4 14.Qc2 Nd5=) 11...Ba5 12.d4 Rfe8 13.0-0 Rab8 14.d5 Ne5+=; A2) 10...Re8 11.0-0 a5 12.a3 Bc3 13.Bc3 Ne5 14.Be5 de5=; B) 10.Nd5 Ba5 (10...Bc5 11.d4 Bf3 12.gf3 Bb4 13.Nb4 Nb4 14.Qb3 a5=; 10...Bf3 11.gf3 Kh8 12.Rg1 f6 13.Qb3 Ba5 14.Kd1 Rb8+=) 11.Rc1 (11.Nb6 ab6 12.Nd4 Be2 13.Qe2 Nd4 14.Bd4 c5=; 11.Qc2 Re8 12.Bd3 h6 13.Bh7 Kh8 14.Be4 Qd7=) 11...Be6 12.Nf4 Bf5 13.0-0 Re8 14.Qb3 Qe7=.

9.Nc3 Nce5 A) 10.d4 Nf3 (10...Bf3 11.gf3 Ng6 12.Qb3 a5 13.a3 Bc3 14.Bc3 b6=) 11.Bf3 Bf3 12.Qf3 Nb6 13.Qb7 c5 14.a3 Ba5=+; B) 10.Nd5 Bf3 (10...Ba5 11.Ne5 Ne5 12.Bg4 Nd3 13.Kf1 Nb2 14.Qc2 c6+-) 11.gf3 Ba5 12.f4 Ng6 13.f5 Nge5 14.f4 Qh4=.

9.Nc3 Nde5 10.Nd5 (10.d4 Nf3 11.Bf3 Bf3 12.Qf3 Na5 13.Qe2 d5 14.cd5 Qd5=) 10...Bf5 (10...Ba5 11.Ne5 Ne5 12.Bg4 Nd3 13.Kf1 Nb2 14.Qc2 c6+-; 10...Bf3 11.gf3+= Rb8 12.f4 Nd7 13.Rg1 f6 14.Bg4 Kh8+-) 11.0-0 (11.a3 Ba5 12.0-0 Nf3 13.Bf3 Ne5 14.e4 Be6=; 11.Ne5 de5 12.Be5 Ne5 13.Nb4 a5 14.Nd5 Bd3=) 11...Ba5 12.Qb3 Rb8 13.d4 Nf3 14.Bf3 Re8+=.

9.Nc3 Bf3 A) 10.gf3 A1) 10...Nb6 11.Nd5 (11.Rg1 Ne5 12.f4 Bc3 13.Bc3 Ng6 14.f5 Ne5=) 11...f6 12.Qb3 Bc5 13.Bc3 Nd5 14.cd5 Ne7+-; A2) 10...Bc3 11.Bc3 Qg5 12.f4 Qg6 13.Bf3 Rab8 14.Qb1 Qh6+=; A3) 10...f6 11.Nd5 (11.Rg1 Kh8 12.Nd5 Ba5 13.Qb1 Nb6 14.Qf5 Nd5=) 11...Kh8 12.Rg1 Nb6 13.Qb3 Ba5 14.Kd1 Re8+=; A4) 10...Nde5 11.Nd5 (11.Rb1 Ng6 12.Nd5 Bc5 13.Qb3 Bb6 14.f4 Qd7+=) 11...Rb8 12.f4 Nd7 13.Qc2 f6 14.Bd3 h6+-; A5) 10...Qg5 11.f4 Qh4 12.Nd5 Ba5 13.Qc2 Nc5 14.Rg1 f6+=; B) 10.Bf3 Nce5 (10...Nde5 11.Be2 Bc3 12.Bc3 d5 13.cd5 Qd5 14.0-0 Rfd8+=) 11.Be2 Nb6 12.Qb3 a5 13.0-0 Qh4 14.d4 Bc3+=.

9.Nc3 f5 10.0-0 A) 10...Nb6 11.Qb3 (11.a3 Bc3 12.Bc3 f4 13.d3 fe3 14.fe3 d5=; 11.h3 Bh5 12.a3 Ba5 13.d4 f4 14.c5 Bc3=) 11...Rf7 12.d4 Bc3 13.Bc3 Qe7 14.a4 a5+=; B) 10...Nf6 11.Rb1 (11.d4 Ne4 12.Qd3 Ng5 13.Ng5 Qg5 14.Nd5 Be2+=; 11.d3 f4 12.a3 Bc3 13.Bc3 fe3 14.fe3 Qe7+=) 11...Ne4 12.Nd5 Ba5 13.d3 Bf3 14.Bf3 Nd2+=; C) 10...Nc5 11.Nd5 (11.Rb1 Ne4 12.Nd5 Ba5 13.d3 Bf3 14.Bf3 Nd2+=; 11.d4 Ne4 12.Qd3 Ng5 13.Ng5 Be2 14.Ne2 Qg5+=) 11...Ba5 12.Nf4 Qd7 13.h3 Bf3 14.Bf3 Rae8+-; D) 10...Re8 11.h3 (11.a3 Ba5 12.h3 Bh5 13.Qc2 Rf8 14.d4 f4+=; 11.Nd5 Ba5 12.h3 Bh5 13.Qb1 Nde5 14.Qf5 Bg6+=) 11...Bh5 12.Qc2 Bg6 13.Nd5 Nde5 14.Nb4 Nb4+=; E) 10...Nce5 11.a3 (11.Nd5 Ba5 12.Nf4 Qe8 13.d3 c6 14.Nd4 Bb6+=; 11.d4 Nf3 12.Bf3 Bc3 13.Bc3 Nf6 14.Rb1 Ne4+=) 11...Bc3 12.Bc3 Qe7 13.Rb1 Rab8 14.d3 f4+=.

9.Nc3 f5 10.a3 Bc3 11.Bc3 Nc5 12.0-0 f4 13.ef4 Rf4 14.Rb1 Qe8=.

9.Nc3 f5 10.Nd5 Bf3 (10...Ba5 11.Nf4 (11.0-0 Nce5 12.Nf4 Qe7 13.d4 Bf3 14.Bf3 Nf3+=) 11...Rf7 12.0-0 Nde5 13.d3 Qe7 14.Rb1 Bb6+=; 10...Nb6 11.Rb1 (11.Nb4 Nb4 12.Qb3 c5 13.0-0 Qe7 14.h3 Bf3=) 11...Ba5 12.0-0 Qd7 13.Qb3 Rae8 14.c5 Nd5+=; 10...Nc5 11.0-0 Ba5 12.Nf4 Qd7 13.h3 Bf3 14.Bf3 Rab8+-; 10...Re8 11.0-0 (11.Qc2 Ba5 12.Rb1 Nc5 13.0-0 Ne5 14.Be5 de5+=; 11.h3 Bf3 12.Bf3 Ba5 13.Nf4 Nb6 14.Qc2 Qg5+=) 11...Ba5 12.d4 Nb6 13.Nf4 g5 14.d5 Bf3+-; 10...a6 11.0-0 (11.h3 Bf3 12.Bf3 Nde5 13.Be2 Rb8 14.0-0 Ng6+=; 11.Rb1 Ba5 12.Nf4 Re8 13.h3 Bf3 14.Bf3 Nb6+-) 11...Ba5 12.Nf4 Re8 13.h3 Bf3 14.Bf3 Kh8+-) 11.gf3 (11.Bf3 Nde5 12.Be2 Ba5+= 13.0-0 Qh4 14.Qb3 Rab8+=) 11...Ba5 (11...Rf7 12.Rb1 Ba5 13.Rg1 Nb6 14.Qb3 Kh8+=) 12.h4 (12.Rg1 Rf7 13.Qc2 Qh4 14.Rg2 Re8=) 12...Ne7 (12...Nc5 13.Qc2 Nb4 14.Nb4 Bb4=) 13.Nf4 Nc5 14.Rg1 (14.Kf1 Qc8=) 14...Rf7 15.Qc2 Ng6 (better 15...Nc6!?=) 16.Ng6+- hg6 17.Rg6 Qh4 White creates threats along the open h–file 18.0-0-0 Re8 19.Rdg1 Ree7 20.Qd1 Qh7 (20...f4!?+-) 21.R6g2 f4 22.e4 Qh6 (better 22...Qh3+-) 23.Rh1 Qe6 24.Rgh2 Rf8 (24...Rf5 25.Rh8 (25.ef5?! Qe2 26.f6 Nd3 27.Kc2 Nb2 28.Kb2 Qe5 29.Kb1 Qf6+-) 25...Kf7 26.Qg1 (26.ef5 Qe2 27.f6 Bd2 28.Qd2 Qd2 29.Kd2 gf6+-) 26...Bd2 27.Kd2+-) 25.Rh8 Kf7 26.Rf8 Kf8 27.Rh8 Kf7 28.Qg1 (28.Qg1 Qg6 29.Rf8 Kf8 30.Qg6+-) 1–0. Vogel,Jaap – Granitzki, corr, 1971.

9.Nc3 f5 10.h3 Bh5 (10...Bf3 11.Bf3 Nc5 12.0-0 Ne5 13.Bd5 Kh8 14.d4 Ncd3+-) 11.Nd5 (11.0-0 Nb6 12.a3 Ba5 13.d4 f4 14.c5 Bc3=; 11.a3 Bc3 12.Bc3 Nb6 13.0-0 f4 14.Qb3 Qd7+=) 11...Nb6 12.Qb3 Ba5 13.c5 Nd5 14.Qd5 Kh8+=.

9.0-0 Ba5 10.Nc3 Bb6 (10...Rfe8 11.d4=) 11.Nd5 (11.d4 Rfe8=) 11...Nd5 12.cd5 Nb4 (12...Ne5 13.d3=) 13.Qb3+= Na6 (13...c5 14.d4+=) 14.h3 (better 14.Qc3 f6 15.Ba6 ba6 16.Nd4+=) 14...Nc5? (better 14...Bf3 15.Bf3 Nc5+=) 15.Qc3+- f5 16.hg4 fg4 17.Nd4 Ne4 (17...g3 18.fg3 Ne4 19.Qd3 Bd4 20.Qd4 (20.ed4?! Ng3 21.Qg3 Qe2+-) 20...Ng3 21.Rf8 Rf8 22.Bg4+-) 18.Qd3 Bd4 19.Qd4 (19.Bd4 g3 20.fg3 Ng3 21.Rf8 Rf8+-) 19...h5 (19...g3 20.fg3 Ng3 21.Rf8 Rf8 22.Bg4+-) 20.Bd3 Nd2 (20...Nf6+-) 21.Rfd1 Nf3 22.gf3 gf3 (22...Rf3 23.Qe4 Qe4 24.Be4+-) 23.Kh2 1–0. Janek – Parhit, internet, 2017.

9.0-0 Rfd8 10.d4 a6 11.a3 Ba5 12.Qb3 Bb6 13.Nbd2 Ba7 (13...Re8 14.Bd3=) 14.Rfe1 (14.h3 Bc8+=) 14...Rdb8 15.Qd3 b5 (15...Re8 16.Rab1+=) 16.cb5 Rb5 17.Qc2 d5?? (better 17...Rb6+=) 18.Bb5+- ab5 19.Qc6 Bb6 (19...Qe8 20.Qc7 Bb8+-) 20.Qa8 (20.Qa8 Qf8 21.Qf8 Kf8 22.a4 ba4 23.Ra4+-) 1-0. retiponziani (1865) - gbymar (1675), ChessWorld.net, 2011.

9.0-0 Ne4 10.d4 Rae8 11.h3 Bh5 12.Nbd2 Nd2 13.Nd2 Be2 14.Qe2 a6 15.Nf3 Qe4 16.a3 Ba5 17.Ng5 Qg6 18.Nf3 Qe4 19.Ng5 Qg6 20.Nf3 Bb6 21.Rfd1 h6 22.Nh4 Qe4 23.Nf3 g5 24.Nd2 Nd4 25.Bd4 Qd4 26.Nf3 Qe4 27.Nd2 Qe6 28.Qh5 Kh7 29.Nf3 f6 30.Rd5 Rg8 31.Rad1 Bc5 32.Nd4 Bd4 33.R1d4 Rg7 34.Qe2 Qe4 35.Re4 Time forfeit 1-0. carloscamchang (1775) - SitoLinggau (1995), Rated Blitz game, lichess.org, 2016.

9.0-0 Ne5 10.Qa4 Bf3 11.gf3 Nc6 12.d4 d5 13.a3 Ba5 14.Nc3 Bc3 15.Bc3 Nh5 (15...Rab8 16.Bb4 Nb4 17.ab4 dc4 18.b5=) 16.Rfe1 (16.cd5 Qg5 17.Kh1 Ne7+/–) 16...Rfd8 (16...Qg5 17.Kh1 Nf6 18.Rg1+=) 17.Kh1 (better is 17.Rab1 Rab8 18.cd5 Rd5 19.Bb5+/–) 17...Qh4 18.Rf1 Rd6 19.Qc2?? (19.Rg1 Qf2 20.Rg2 Qe3 21.Qc2 Nd4 22.Bd4 Qd4 23.Rag1 dc4 24.Rg5–+) 19...Rh6 20.f4 (20.Qe4 Ng3! 21.fg3 Qh2) 20...Ng3! 21.Kg2 (21.fg3 Qh2#) 21...Qh3 22.Kf3 (22.Kg1 Qh2) 22...Nf5# 0–1. Skrzypczak,Michal (1980) – Hoffmann,Kacper, Mistrzostwa sekcji L.K.S. PIAST Srem Poland, 2013.

9.0-0 Ne5 10.d4 Nf3 11.Bf3 Bf3 12.Qf3 c6 =.

9.0-0 Ne5 10.d4 Nf3 11.Bf3 Bf3 12.Qf3 Ne4 13.Rc1 f5 14.Nc3 c6 15.g3 (15.a3 Ba5 16.Rc2 Bc3 17.Bc3 Rae8=) 15...g5 16.Ne4 fe4 (worse 16...Qe4 17.Qh5 Qe7 18.a3+=) 17.Qg4 d5 18.cd5 cd5 19.Rc2 Bd6 20.Rac1 Rad8 21.h4 h6 22.Rc3 Qf6 23.R1c2 Kh7 24.hg5 hg5 25.Ba3 Ba3 26.Ra3 Rc8 (26...Kg6!?=) 27.Qc8+= Rc8 28.Rc8 Qb6 (28...Qf3!?+/-) 29.Rb3+- Qa6 30.Rc7 Kg6 31.Rbb7 Kf5 32.Ra7 Qe2 33.Rf7 Kg4 34.Kg2 Qb5 35.a4 (35.Rae7 Kh5+-) 35...Qb8 36.a5 Qh8 37.a6 Qh3 38.Kg1 Qh6 39.Kg2 Qh3 40.Kg1 Qh6 41.Rfd7 (41.Ra8!? Qc6 42.Rff8 Kh3 43.Rh8 Kg4+-) 41...Qe6 42.Rf7 (42.Re7 Qf6+-) 42...Kh3?? (42...Qh6 43.Ra8 Qc6+-) 43.Rh7 Kg4 44.Kg2 Qf6 45.Rhf7 Qh6 46.Rad7 Qa6 47.Rd5 Qh6 (47...Kh5 48.Re5 Qe2 49.Re4+-) 48.Rff5 Qh3 49.Kg1 Qh7 50.Rg5 Kf3 51.Rdf5 Ke2 52.Kg2 Qd7 53.Rb5 (53.Rf4 Qh7+-) 53...Qf7 (53...Kd3 54.Rgf5+-) 54.Rgf5 Qa2 55.g4 Qg8 56.Kg3 Qh7 57.Rh5 (57.Rf4 Kd3+-) 57...Qc7 58.Rbe5 Qd6 (58...Kf1 59.f4 ef3 60.Kf3+-) 59.Rhf5 Qb8 60.g5 Qb1 61.Rf4 Qh1 62.Ree4 Kf1 63.Re7 Qh5 64.Re5 Kg1 (64...Ke2 65.d5+-) 65.Rh4 Qf7 (65...Qe2 66.Rh2+-) 66.f4 (66.Rh1 Kh1 67.Rc5 Qf2 68.Kf2 Kh2 69.g6 Kh3 70.g7 Kh4 71.g8Q Kh3 72.Qg3) 66...Qa2 67.Kg4 Kg2 68.Rh6 (68.g6 Kf1+-) 68...Qc2 (68...Qe2 69.Kf5+-) 69.g6 White intends f5 69...Qc6 70.f5 Qf6 71.Re6 Qf8 72.Rh7 Qb8 73.Kg5 Kg3 74.g7 Qd8 75.Kg6 Kg4 76.e4 1-0. Melich,Jindrich (2190) - Cecil,Pavel, CZE-chT1b Czechia, 1995.

9.0-0 Ne5 10.Ne5 Be2 11.Nc6 bc6 12.Qe2 Rab8 13.Qf3 Qe4 (13...Ne4 14.d3 Nc5 15.Rd1+=) 14.Bf6 Qf3 15.gf3 gf6 16.Kh1 d5 17.Rg1 Kh8 18.Rg4 (18.d4 dc4 19.a3 Be7=) 18...Bd6 19.Nc3 Rb2 20.Rd1 Bb4 (20...f5!? 21.Rd4 Be5=+) 21.cd5+= Bc3 22.dc3 cd5 23.Rd5 Rf2 24.Rf4 (24.Ra5!?+=) 24...Rg8 (24...Re8 25.e4 Ra2 26.Rff5=+) 25.h4= Rgg2 (25...Re8 26.Rfd4=) 26.Rg4 Threatening mate... how? (worse 26.Rf6 Rh2 27.Kg1 Rfg2 28.Kf1 Ra2=+) 26...Rg4 27.fg4 Ra2 28.h5 (28.Rc5 Kg7=) 28...Kg7=+ 29.Rc5 Re2 (29...a5 30.Rc7 a4 31.Kg1=) 30.Rc7= Re3 31.Kg2 a5 32.c4 a4 (32...f5 33.gf5 Re5 34.Rc6=+) 33.c5 (33.Kf2 Re5=+) 33...a3 (33...f5 34.gf5 Re5 35.Ra7 Rc5 36.Ra6-+) 34.c6 a2 (34...Re4!? 35.Kf3 Ra4=+) 35.Ra7= Rc3 36.c7 (36.Ra2 Rc6 37.Kf3 f5=) 36...a1Q (36...Rc7 37.Ra2 Rc5=) 37.Ra1= Rc7 38.Rf1 ½-½. Thiele,J - Kuhn,P, Sta-Dio, 1991.

9.0-0 Rfe8 10.Nc3 Ne5 11.Ne5 (11.d3 A) 11...Bf5 12.Qb3 (12.a3 Ba5 13.e4 Bd7 14.Rb1 Rab8 15.Nd5 Nd5= 0.06; 12.Rb1 Ba5 13.Ba1 c6 14.e4 Nf3 15.Bf3 Be6= 0.06) 12...a5 13.Na4 Nfd7 14.a3 Nc5 15.Nc5 Bc5+/- 0.78; B) 11...Rab8 12.Ne5 (12.Rb1 Bf5 13.e4 Bc8 14.Nb5 Bc5 15.d4 Nf3= 0.25) 12...Be2 13.Nc6 bc6 14.Ne2 d5 15.Rb1 Bd6= 0.25; C) 11...a5 12.a3 (12.Rb1 Rad8 13.a3 Bc3 14.Bc3 Bf3 15.Bf3 b6= 0.22) 12...Bc3 13.Bc3 b6 14.Ne5 Be2 15.Nc6 Bd1+= 0.28; D) 11...Qe6 12.Nb5 (12.Nd4 Be2 13.Nce2 Qg4 14.Nf4 Qh4 15.Rb1 Bc5= 0.22; 12.a3 Bc3 13.Bc3 Qf5 14.Rb1 b6 15.e4 Qh5= 0.00) 12...Qe7 13.Qa4 Bf3 14.Bf3 Nf3 15.gf3 c5+= 0.37; E) 11...a6 12.a3 (12.Rb1 Bf5 13.a3 Ba5 14.Nd5 Nd5 15.cd5 Bb6= 0.00) 12...Bc3 13.Bc3 Rab8 14.Ne5 Be2 15.Nc6 Bd1= 0.25) 11...Be2 12.Ne2 (12.Nc6 Bd1 13.Ne7 Re7 14.Rfd1 Bc3 15.Bc3 Ne4= 0.12) 12...de5 13.d3 (13.d4 ed4 14.Nd4 Qe4 15.Qb1 Bd6= -0.03) 13...Rad8 14.Ng3 (14.Qb3 Bd6 15.d4 ed4=+ -0.28) 14...Qe6 (14...Ba3 15.Rb1 b6=+ -0.28) 15.Qb3 Bd6 16.Rac1 (16.Qb7? Rb8 17.Qa7 Rb2-+) 16...b6 17.Rfd1 h5 18.e4 (18.Ne4 Ne4 19.de4 h4=) 18...Bc5 19.h3 g6 20.Ba3 Bd4 21.Ne2 c5 22.Nc3 g5 23.Nb5 Rd7 24.Bb2 (24.Nd4 ed4 25.Rb1 g4=) 24...h4 (24...Bb2 25.Qb2 Red8 26.Qb1=+) 25.Nd4 ed4 26.f3 Nh5 27.Rc2 Qe5 28.Bc1 Kh7 29.Rf2 f6 (29...Nf4 30.Qb5 Rde7 31.a4=) 30.Qc2 (30.f4 Nf4 31.Bf4 gf4+/-) 30...Qg3 31.Qe2 Kh6 (31...Nf4 32.Bf4 Qf4 33.Re1=) 32.Rdf1 (32.f4!? Nf4 33.Bf4 gf4 34.Rf3+/-) 32...Nf4= 33.Bf4 gf4 34.Kh1 Rg7 35.Rg1 Qg5 36.Qc2 Reg8 (36...f5 37.Re1=) 37.Rff1 (37.a4 f5+=) 37...Qe5 38.Qf2 Kh5 39.Qe2 Rg3 40.Qf2 R8g7 41.Qe2 ½-½. Reimer,Karl - Wild,Heinz Oskar (1755), 75 sen. PSB (Pfalz) ch-Senioren, 2006.

9.0-0 h6 10.a3= (10.d4 Ne4 (10...Rab8 11.h3 Bf5 12.a3 Ba5 13.d5 Ne5 14.Qd4= 0.19) 11.a3 Ba5 12.d5 Ne5 13.Ne5 Be2 14.Nc6= 0.19; 10.d3 d5 (10...Rfe8 11.a3 Bc5 12.Nc3 a6 13.Nd5 Nd5 14.cd5+= 0.28; 10...Rae8 11.Qb3 Rb8 12.h3 Bh5 13.Nc3 Ba5 14.d4= 0.19) 11.a3 Bd6 12.Nbd2 Be6 13.Qb3 dc4 14.dc4= 0.09; 10.Nc3 Rae8 (10...Rfe8 11.Qb3 a5 12.a3 Bc3 13.Bc3 Ra7 14.d4= 0.13; 10...Ne5 11.Ne5 Be2 12.Nc6 bc6 13.Ne2 Rfb8 14.Nd4+= 0.41) 11.Qb3 Bc3 12.Bc3 b6 13.h3 Bh5 14.d4= 0.06; 10.h3 Bf5 11.d3 Rfe8 12.Nc3 Ne5 13.e4 Bd7 14.Qb3= 0.13) 10...Ba5 (10...Bc5 11.d4 Bb6 12.Nc3 Rfe8 13.Nd5 Nd5 14.cd5= 0.25) 11.d4 (11.Nd4 Be2 12.Nc6 bc6 13.Qe2 Rfb8 14.Bc3= 0.16) 11...d5 (11...Rfe8 12.d5 Bf3 13.Bf3 Ne5 14.Be2= 0.16) 12.Nbd2 (12.cd5 Nd5 13.h3 Bf5 14.Qb3= 0.09) 12...Bd2 (12...Rfe8 13.Nb3 dc4 14.Bc4= 0.16) 13.Qd2 (13.Nd2 Be2 14.Qe2= 0.06) 13...dc4 14.Bc4 Rad8 15.Qc2 a6 (15...Bf3!? 16.gf3 Rfe8=) 16.Ba6+= ba6 Black launches an attack. 17.Qc6 Rd6 18.Qc2 Bf3 19.gf3 Nd5 20.Kh1 Qf6 21.Qe2 (21.Qe4 Rb8 22.Rab1 Qd8+=) 21...Rb6 22.Rg1 Rfb8 23.Ra2 Qe6 24.Qd2 (24.Ba1!?=) 24...Qf5 (24...Ne3 25.d5 Qd5 26.Qd5 Nd5 27.Bg7=+) 25.Rg3 Qb1 26.Bc1 Rc6 27.Rg1 Qf5 28.f4 Rb1 29.f3 Qh3 30.Qg2 Qg2 31.Rag2 Rcc1 32.Rg7 Kf8 (32...Kf8 33.e4 Nf4 34.Rc1 Rc1 35.Rg1 Rg1 36.Kg1 Ne2 37.Kf2 Nd4-+) 0-1. Wittstock,Gunther - Schreier,Richard, corr DDR-ch H, 1986.

9.a3 Ba5 10.0-0 Ne4 11.d3 Nc5 12.d4 Ne4 13.h3 Bd7 14.d5 Ne5 15.Ne5 de5 16.f3? (better 16.Qc2!? Nc5 17.Nc3=) 16...Ng3–/+ 17.Rf2 Qg5 (better 17...Bb6 18.Bc1 Qg5–/+) 18.e4? (18.f4 ef4 19.ef4 Ne2 20.Qe2 Qg6–/+) 18...Ne2?? (18...Bb6 19.Qc2 Bc5 20.Bf1 Bh3 21.Bc1–+) 19.Qe2 (19.Re2!? Bh3 20.Qc1–/+) 19...Bb6–+ 20.Nd2 (20.Kh1 Bf2 21.Qf2 a6–+) 20...Bh3 (20...Bf2?! 21.Kf2 f6 22.c5–+) 21.Kf1 Bf2 22.Qf2 Bd7 23.Nb3 Rae8 (23...b6 24.Ke1–+) 24.Nc5 (24.Bc1 Qg6 25.Nc5 Bc8–+) 24...Bc8 25.Nd3 f5 26.ef5 (26.f4 Qh6 27.Ne5 fe4–+) 26...Rf5 (better 26...e4 27.Ne1 Bf5 28.Kg1–+) 27.Re1 Rf7 (27...e4 28.Qd4–+) 28.Be5 (28.Re5 Re5 29.Ne5 Re7–/+) 28...Rfe7 29.f4 Qf5 (29...Qg6 30.Nc5–+) 30.Qg3 Qg4 (30...Qf8!?–+) 31.Qg4–/+ Bg4 32.g3 (32.Kf2 h5–/+) 32...Bf5 33.Nf2 a6 (33...h5 34.Ne4–/+) 34.g4 Bc2 35.Re2? (better 35.c5–/+) 35...Bb3–+ 36.Re4 b5 37.cb5 Bd5 (37...ab5!? 38.Rd4–+) 38.Rd4 Bb7 39.ba6 Ba6 40.Kg2 Bb7 (40...c5 41.Ra4 Bb7 42.Kg3–+) 41.Kg3–/+ c5 42.Rc4 Rc8 (42...Re5?! 43.fe5 Re5 44.Kf4=+) 43.Nd3 Ba6 (better 43...Ra8!? 44.Rc3 c4–+) 44.Rc5= Rc5 (44...Rd7 45.Rc8 Bc8 46.Nb2=) 45.Nc5 Bc4 46.a4 Ra7 47.Bc3 Bb3?? Attacks the isolani on a4 (47...Re7 48.Kh4=) 48.a5?? (better 48.Nb3 Ra4 49.Nd2+-) 48...Rc7 49.Bb4 Bc4 50.a6?? (better 50.f5+=) 50...Ra7–/+ 51.f5 Ba6 52.Na6 (52.Kf4 Bc4–/+) 52...Ra6–+ 53.Bd2 Kf7 54.g5 Ra3 55.Kg4 Ra4 56.Kh5?? (56.Kg3 Ke7–+) 56...Ra2 (56...g6 57.fg6 hg6 58.Kh6 Rh4) 57.Bc3?? (better 57.Bf4–+) 57...Ra4 58.Be1?? (58.Bd2 g6 59.fg6 hg6 60.Kh6 Rh4) 58...Ra1 (58...g6 59.fg6 hg6 60.Kh6 Ra3 61.Bh4 Rh3 62.Kh7 Rh4) 59.Bg3–+ Ra4 60.g6?? (better 60.Be1=) 60...hg6–+ 61.fg6 Kf6 62.Be1 Ra3 63.Bb4 Rg3 64.Bd2 Rg6 65.Bc3 (65.Kh4 Kf5 66.Kh3 Ke4–+) 65...Kf5 66.Kh4 Kf4 67.Bd2 Kf5 68.Kh5?? (68.Bc3 Rg4 69.Kh3–+) 68...Rg2 69.Be1 (69.Kh4 g5 70.Bg5 Rg5 71.Kh3 Kf4 72.Kh4 Re5 73.Kh3 Re2 74.Kh4 Rh2) 69...Rh2–+ 70.Bh4 g6 (70...g5 71.Kh6 Kf6 72.Kh7 Rh4 73.Kg8 g4 74.Kf8 Rh8) 71.Kh6 Rh4 72.Kg7 g5 (72...g5 73.Kf7 Re4 74.Kg7 Re7 75.Kf8 Kf6 76.Kg8 Re8 77.Kh7 g4 78.Kh6 Rh8; 72...Ke6 73.Kg6 Rg4 74.Kh5 Kf5 75.Kh6 Kf6 76.Kh7 Rh4 77.Kg8 Rh3 78.Kf8 Rh8) 0–1. retiponziani (1820) – pipesharp (1680), ChessWorld.net, 2014.

9.a3 Ba5= 10.0-0 Rae8 11.d3 Bf5 12.Qb3 Bb6 13.Nc3 Na5 14.Qb5=.

9.a3 Ba5 10.0-0 Rfe8 11.Qb3 Bb6 12.d4 Ne4 13.h3 Bh5 14.Rd1 a6 15.Nbd2 Ng5 16.Rac1 Nd8 17.d5 Ba5 18.Qd3 Bg6 19.Qd4 Nf3 20.Nf3 f6 21.Qg4 Qe4 22.Qg3 Qe7 23.Nh4 Qf7? 24.Ng6+/– Qg6 25.Qg6 hg6 26.Bd3 g5 27.c5+- dc5 28.Rc5 Bb6 29.Rcc1 Nf7 30.Bd4 Bd4= 31.ed4 Re7 32.Re1 Rae8 33.Re6 Nd8 34.Re7 Re7 35.Kh2 Nf7 36.Kg3 Nd6 37.Kg4 Nb5 38.Rb1 Rd7? 39.a4 Nd6= 40.f4 gf4=+ 41.h4 g5 42.hg5 fg5 43.Kg5 Rg7 44.Kf4= Rg2 45.Rc1 Rg7 46.Ke5 Kf7?? 47.Rc7+- (47…Kf8 48.Rg7 Kg7 49.Kd6+-) 1–0. Waibel,Ulrich – Koski,Mark, compuserve, 1995.

9.a3 Ba5= 10.0-0 Rfe8 11.d4 d5 12.Qb3 dc4 13.Bc4 Bf3 14.gf3=.

9.a3 Ba5= 10.0-0 Bf5 11.Qb3 Rfe8 12.Qb5 Bg6 13.Nh4 Be4 14.d3+=.

9.Nc3 Ne5 10.Nd5 Nd5 11.cd5 Nf3 12.gf3 Bh3 13.Rg1 f6 14.Bd3 Bd7 (14...Bc5 15.Qc2 h6 16.a3=) 15.Qc2 h6 16.Qc4 Bc5 17.Qh4 Rf7?? (better is 17...Kh8=) 18.Qh6+- f5 19.Rg5 1–0. Buczinski,Henryk (2195) – Gumenchuk,Aleksandr (2000), SA–2012–O–00252, 2012.

9.Nc3 Rfe8 10.0-0 Ne5 11.d4 Nf3 (11...Bc3 12.Bc3 Ne4 13.Be1 Nf3 14.Bf3 Bf3 15.Qf3=) 12.Bf3 Bf3 13.Qf3 c6 14.a3 (14.Rab1 Bc3 15.Bc3 Ne4=) 14...Ba5 (14...Bc3 15.Bc3 Ne4 16.Rfc1=) 15.Ne2 Ne4 16.Qg4 (16.Qf5 Bc7 17.Rad1 g6=) 16...d5 (16...Nd2 17.d5 Qf8 18.Rfd1=+) 17.c5 (17.cd5 Nf6 18.Qf3 Nd5=) 17...g6 18.Nf4 f5 19.Qe2 g5 (19...Bc7 20.Nd3=+) 20.Nd3= h5 (20...Bc7!?=) 21.Qh5+/- Kg7 22.Ne5 (better 22.Bc1+/-) 22...Rh8?? (better 22...Qe6+=) 23.Qg6+- Kf8 24.Qf5 Ke8 25.Ng6 (25.Ng6 Qh7 26.Qe6 Kd8 27.Nh8 Qh8 28.f3+-) 1-0. AhmedSultanov (1750) - Serj2068 (1780), lichess.org, 2020.

10.a3 Bd6 11.cd5 Nd5 12.Qb3 Nb6 13.d4 Rad8 14.Nc3=.

10.Qc2 Bd6 (10...dc4 11.Qc4 Rfe8 12.Rc1 Bd6 13.Qb5 Nb4 14.Qg5=; 10...Rfd8 11.cd5 Nd5 12.Nc3 Qe6 13.Ne4 Qg6 14.Bd3=) 11.cd5 Nb4 12.Qc4 Nbd5 13.Nc3 Nb6 14.Qb3=+.

10.d4 dc4 11.Bc4 a6 12.d5 Rad8 13.a3 Ba5 14.Bb3=+.

10.cd5 Nd5 11.Bb5=+ Nb8 12.h3 Be6 13.Qc2 Bd6 14.e4=.

10.cd5 Nd5 11.Nc3 +=.

10.cd5 Nd5 11.d4 Nf6 12.Nbd2 Ne4 (12...Rae8 A) 13.a3 Bd2 (13...Bd6 14.Qb3 Nd8 15.d5 Bf5 16.Nd4 Bg6= 0.25) 14.Qd2= Qe6 15.Qc2 Bf5 16.Qc5 Ne4= 0.25; B) 13.Bb5 Bd7 14.a3 Bd6 15.Nc4 a6 16.Nd6 Qd6= 0.12; C) 13.Nc4 Nd5 14.a3 Ba5 15.Na5 Na5 16.Qa4 Nc6+= 0.34; 12...Qe6 13.a3 (13.Bc4 Qd6 14.Qc2 Bd2 15.Nd2 Be6 16.Rfc1 Rfe8= 0.09; 13.Qb3 Bd2 14.Bc4 Qe7 15.Nd2 Na5 16.Qa3 Qa3= 0.22) 13...Bd6 14.Bc4 Qe7 15.Bb5 Rab8 16.Qa4 Bd7= 0.25; 12...Qd7 13.Rc1 (13.a3 Bd2 14.Qd2 Rfe8 15.Rac1 Rad8 16.Qc2 Qd5= 0.25; 13.Nc4 Be6 14.Nce5 Ne5 15.Ne5 Qe7 16.Bd3 Rfd8= 0.06) 13...a6 14.a3 Bd2 15.Qd2 Rfe8 16.Rfd1 Nd5+= 0.28; 12...Rfe8 13.a3 Bd6 14.Nc4 Be6 15.Nce5 Be5 16.de5 Nd7= 0.06; 12...Rad8 13.Nc4 (13.a3 Bd2 14.Qd2 Rfe8 15.Qc2 Nd5 16.Rfe1 Qf6= 0.22; 13.Qc2 Rfe8 14.Rfc1 Be6 15.Nc4 Bd5 16.a3 Be4= 0.00) 13...Qe6 14.Qb3 b6 15.Rfc1 Nd5 16.a3 Be7+= 0.34) 13.h3 (13.Ne4 Qe4 14.Qb1 (14.Bd3 Qd5+= 15.e4 Qh5 16.Rb1 Rfd8= 0.25) 14...Qb1 15.Rfb1 Bf5 16.Rc1 Bd6+= 0.37) 13...Bf3 (13...Nd2!? 14.Nd2 Be2 15.Qe2 Rfd8= (15...Qe6 16.Rfd1 Rfe8= 0.00) 16.a3 Nd4= -0.06) 14.Nf3+= Bc3 (14...Rfd8 15.Bd3 Nf6 16.a3 Bd6+/- 0.78) 15.Qc1 Bb2 16.Qb2 b6 (16...Rab8 17.d5 Nd8 18.Qe5+=) 17.Rac1+/- Qd6?? (better 17...Nb4+/-) 18.Qc2+- Nd4 19.Nd4 Qd5 (19...Nc5 20.Bf3 Rac8 21.Nb5+-) 20.Nb5 (20.Bb5 Nc5 21.Bc6 Qg5 22.Ba8 Ra8+-) 20...Qd2 (20...Rad8 21.Rcd1 Qe5 22.Bd3+- (22.Qc7?! Qc7 23.Nc7 Nc3+-)) 21.Bf3 (21.Qd2 Nd2 22.Rfd1 Ne4 23.Rc7 a6+-) 21...Qc2 22.Rc2 f5 23.Be4 fe4 24.Rc7 a6 (24...Rfd8 25.Na7 Rd2 26.a4+-) 25.Nd6 b5 26.Rfc1 Rad8 1-0. Dluhosch,Thomas – Detering, BdF, 1984.

10.h3 Be6 11.Ng5 Bf5 12.a3 Bd6 13.d4 dc4 14.Bc4=+.

9.0-0 Ba5 10.a3 Qe7 11.Nc3 Rad8 12.Qb3 Bb6 13.Qb5 (13.d4 Na5 14.Qa4 c6=) 13...h6 (13...Ne5 14.Ne1+=) 14.h3 a6 15.Qb3 Na5 16.Qa4 Bd7 17.Qc2 c6 18.Rab1 Bc7 19.d4 d5 20.c5 Nh7 21.Nh2 (21.Nd2 Qg5 22.f4 Qg3=) 21...Qh4 22.Bg4?? (better is 22.Ba1+=) 22...Bh2–+ 23.Kh2 Bg4 24.f3 Bc8 25.e4 Ng5 26.Ne2 Nh3! 27.gh3 Qh3 28.Kg1 Re6 29.Nf4 Qg3 30.Ng2 Rg6 31.Bc1?! Nc4 32.Rf2 de4 33.Qc4 ef3 34.Qc3 fg2 35.Qg3 Rg3 36.Bf4 Ra3 37.Rg2 g5 38.Re1 Be6 39.Be5 Rb3 40.Rh2 Kh7 41.Bf6 Rd5 42.Rf2 Rf5 43.Rf5 Bf5 44.Re7 Kg6 45.Be5 h5 46.Bc7 Rb4 0–1. Garceran Nieuwenburg,David – Chogdov,M (2245), Zaozhuang CHN, Asian Nations Cup (m), 2012.

9.0-0 Ba5 10.d4 Bf3 11.Bf3+= Ne4 12.a3 Re6?? 13.d5+- Rh6 14.dc6 Qh4 15.h3 bc6 16.Qd4 Nf6 17.Bc6 Rf8 18.Qh4 Rh4 19.Bd4 Rd8 20.Rd1 Bb6 21.Nc3 a6 22.Rab1 Bd4 23.Rd4 Rh5 24.Nd5 Nd5 25.cd5 Re5 26.Ra4 f5 27.Ra6 (27…Re7 28.a4+-) 1–0. Kern,Michael – Amatulli,David, compuserve, 1997.

9.0-0 a6 10.d4 Ne4 11.Qb3 Rb8 12.d5 Nc5 13.Qc2 Bf3 14.Bf3 Ne5 15.Be2 Qh4 16.Nd2 Bd2 17.Qd2 Nc4 18.Qb4 b5 19.Bd4 a5 20.Qe1 Nd7 21.Bc4 bc4 22.Qa5 Nb6 23.Qc3 f6 24.a4 Nd5 25.Qc4 Qe4 26.f3 Qe6 27.e4 Nf4 28.Qe6 Ne6 29.Be3 Rb3 30.Kf2 Rb2 31.Kg3 Ra8 32.Rfc1 Kf7 33.a5 Ke7 34.a6 Nc5 35.Bc5 dc5 36.Rc5 Kd6 37.Rd5 Kc6 38.Rc1 Kb6 39.Rd7 Ra6 40.Rcc7 Raa2 41.Rb7 Kc6 42.Rb2 Rb2 43.Rg7 h5 44.Rh7 Kd6 45.Rh5 Ke6 46.Rf5 Rb7 47.Kf4 Rg7 48.g4 Rh7 49.Kg3 Rh6 50.h4 Rh7 51.g5 fg5 52.hg5 Rg7 53.Kg4 Rg6 54.f4 Rg8 55.Re5 Kf7 56.f5 Rh8 57.g6 Kf6 58.Re6 Kg7 59.Kg5 1-0. tpape (2015) - Offenback (2095), Rated Blitz game, lichess.org.

9.0-0 a6 10.d4 Qe7 11.Qb3 a5 (11...d5!? 12.cd5 Na5=) 12.a3+= Bf3 (12...a4 13.Qc2 Ba5 14.Qa4+=) 13.Bf3+/- Nd4?? (better 13...a4 14.Qc2 Ba5+/-) 14.ed4 (14.Bd4 Bc5 15.Bc5 dc5 16.Qb7 Qe5+-) 14...Nh5 (14...Be1+-) 15.Bh5 (15.Bh5 Be1 16.Qg3+-) 1-0. fishissushi (1950) - varx11 (1865), Rated Bullet game, lichess.org, 2020.

9.0-0 Rb8 10.a3 Ba5 A) 11.d3 b5 12.cb5 Rb5 13.Qc2 Rc5 14.Qa4 Ne5 15.Bd4= -0.09; B) 11.d4 d5 12.Nc3 dc4 13.Bc4 Re7 14.Rc1 a6 15.h3= 0.00; C) 11.Ra2 a6 (11...Qe7 12.d3 b5 13.Nd4 Nd4 14.Bg4 Ng4 15.Bd4= -0.03; 11...Bf5 12.d3 Qe7 13.Nc3 Ne5 14.Nb5 a6 15.Nbd4= 0.06) 12.h3 Bf5 13.Nc3 d5 14.d3 Qd6 15.Qa1= -0.19; D) 11.Nc3 a6 (11...d5 12.cd5 Nd5 13.Qc2 Qd7 14.Ne4 Bb6 15.d3= 0.09; 11...Bf5 12.d4 Bc3 13.Bc3 Ne4 14.Bb2 Qf6 15.Ra2= 0.09) 12.d4 d5 13.cd5 Bc3 14.Bc3 Nd5 15.Qb3= 0.00.

9.0-0 Rb8 10.Qc2 Ne5 11.Kh1 (11.a3 Bf3 (11...Ba5 12.Nd4 c5 13.Bg4 Nfg4 14.Nf5 g6 15.Ng3= -0.06) 12.Bf3 (12.gf3 Ba5 13.d4 Ng6 14.Qf5 c6 15.Nc3= -0.12) 12...Nf3 13.gf3 Bc5= 14.Qf5 Nd7 15.d4= -0.12; 11.Nd4 Be2 (11...Bc5 12.Bg4 Nfg4 13.Nf5 g6 14.f3 Nh2 15.Kh2= 0.13; 11...d5 12.a3 Be7 13.f3 Bc8 14.cd5 Nd5 15.f4= 0.09) 12.Ne2 c6 13.d4 Ng6 14.Bc3 Bc3 15.Nbc3= -0.06) 11...Nf3=+ 12.Bf3 (12.gf3 Be6 13.a3 Ba5 14.Rg1 c6 15.Nc3=+ -0.28) 12...Bf3 13.gf3 b5 (13...d5 14.Rg1 Re6 15.d3=+ -0.50) 14.Nc3 (better 14.cb5!? Rb5 15.Rg1=+ -0.50 (15.Nc3 Bc3 16.Bc3=+)) 14...bc4-/+ 15.Rg1 (15.Ne4-/+ -1.34) 15...d5 16.Ne2 Bd6 17.Nd4 Qd7 18.Bc3 Re5 19.Ne2 Qh3 20.Rg3 Qf5 21.e4 (21.Qf5!? Rf5 22.f4-/+) 21...de4-+ 22.Rag1 (22.Be5 Be5 23.Rb1 Rb1 24.Qb1 h6-/+) 22...Nh5 23.Nd4 (23.Rg7 Ng7 24.f4 Ree8 25.Bg7 h6-+) 23...Ng3 24.Rg3 (24.fg3 Qh5 25.fe4 c5-+) 24...Qh5 25.f4 Ree8 26.Rg5 Qh3 27.Nf5 (27.Nc6 Qf3 28.Kg1-+) 27…Bf4 (27...Bf4 28.Rg2 Qf5 29.Bg7 Re6 30.Bf6 Kf8 31.Bg7 Ke7-+) 0-1. Deneuville,Christian - Stanitz,Antal, corr SOK-95-109, 1995.

9.0-0 Rb8 10.d4 a6 11.h3 (11.a3 Ba5 12.d5 Ne5 13.Ne5 Be2 14.Qe2 de5 15.e4= 0.03) 11...Bh5 (11...Bf5 12.d5 Ne5 13.Nd4 Bd7 14.Nb3 Ba4 15.a3= -0.09; 11...Bd7 12.a3 Ba5 13.Bd3 Qe7 14.Nc3 Bc3 15.Bc3= 0.22) 12.d5 (12.a3 Ba5 13.d5 Bf3 14.gf3 Ne5 15.Qa4= -0.22) 12...Bf3 13.Bf3 Ne5 14.Be2 Qe7 (14...Bc5 15.Nc3= 0.13) 15.Nd2 (15.a3= 0.03) 15...b5 16.cb5 ab5 17.e4 (better 17.a3!? Bd2 18.Qd2+=) 17...Bd2-/+ 18.Qd2 Ne4 19.Qd4 Nf6 (19...Nf6 20.Rfe1 Qd7-/+) 0-1. Wartig,Wolfgang - Stanitz,Antal, corr SOK-95-108, 1995.

9.0-0 Rb8 10.d4 d5 11.cd5 Qd5 12.Nc3 Bc3 (12...Qa5 13.Qd3=) 13.Bc3 Ne4 14.Bb2 (14.Qc2 Bf5 15.Bd3 Nd6=) 14...f5 (14...Ng5 15.Ng5 Be2 16.Qe2 Qg5 17.Rfc1=) 15.Rc1 (15.Qb3 Qb3 16.ab3 a6+=) 15...Bf3 16.Bf3 (16.gf3 Nd6=) 16...Rbd8 (better 16...Qa2!? 17.Qc2 Qe6=+) 17.Be2+= Nd6 18.Ba3 b5? (better 18...Kh8+=) 19.Bd6+- Rd6 (better 19...cd6 20.Bf3 Re4+-) 20.Bf3 Re4 21.Be4 Qe4 (21...fe4 22.Qg4 a6 23.Qc8 Nd8 24.Qc7+-) 22.Qb3 Kh8 23.Qb5 Rg6 24.g3 (24.g3 h6 25.Rc5+-) 1–0. tsodikovich (1690) – juanvaldezmyhero (1700), gameknot.com, 2015.

9.0-0 Qd7 10.a3 Ba5 11.d4 Ne4 12.d5 Nb8 13.Qd4 f6 14.Nc3 Nc3 15.Bc3 Bc3 16.Qc3 Bf3 17.Bf3 Na6 18.Rab1 Nc5 19.h3 f5 20.Rfd1 g6 21.h4 Qg7 22.Rd4 Re7 23.Qc2 Rae8 24.h5 b6 25.g3 a5 26.Kg2 Qf6 27.hg6 hg6 28.Rh1 Rh7 29.Rdh4 Rh4 30.Rh4 Kg7 31.Qd1 Rh8 32.Rh8 Kh8 33.Qh1 Kg7 34.g4 Qg5 35.Qh3 Nd3 36.Kf1 Ne5 37.gf5 Qf5 38.Qf5 gf5 39.Be2 Kf6 40.Kg2 Nd7 41.Kg3 Ke5 42.f3 Nc5 43.Kh4?? (43.Bf1=) 43...Nb3?? (better 43...f4-+) 44.Bd3?? (better 44.Kg5 Nd2 45.a4=) 44...f4-+ 45.e4 Nc5 46.Bf1 Kd4 47.Kg4 Ke3 48.Bh3 (48.e5 de5 49.Kf5-+) 48...Nd7 49.Bg2 Ne5 50.Kf5 Nf3 51.e5 (51.Ke6 Ne5-+) 51...Ne5 52.Ke6 (52.Bf1 f3-+) 52...Nc4 53.Kd7 (53.Bf1 Nd2 54.Bh3-+) 53...f3 54.Bf1 Nd2 55.Ba6 Kd4 56.Kc7 Nc4 57.Bc4 f2 (better 57...Kc4 58.Kd6 f2 59.Ke5-+) 58.Kd6?? (better 58.Bf1 Kd5 59.Kb6=) 58...Kc4-+ 59.Kc7 f1Q 60.d6 Qa1 61.d7 Qa3 (61...Qe5 62.Kc8 Qc5 63.Kb7 Qd6 64.Kc8 Qc6 65.Kd8 Kd5 66.Ke7 Qe6 67.Kf8 Qd7 68.Kg8 Ke6 69.Kh8 Kf6 70.Kg8 Qg7) 62.d8Q Qc5 63.Kb7 (63.Kb8 a4 64.Qg8 Kb4 65.Qe6-+) 63...Qd5 64.Ka7 Qd8 65.Ka6 b5 (65...Kc5 66.Kb7 a4 67.Ka7 Kc6 68.Ka6 Qa8) 66.Kb7 (66.Ka7 Qc8 67.Kb6 Qd7 68.Ka6 Kc5 69.Ka5 Qa7) 66...b4 (66...Kc5 67.Ka7 Kc6 68.Ka6 Qb6) 67.Ka6 (67.Ka7 Qd7 68.Kb6 b3 69.Ka6 Kc5 70.Ka5 Qb5) 67...b3 (67...Qb8 68.Ka5 Qb5) 68.Ka7 (68.Kb7 Kb5 69.Ka7 Kc6 70.Ka6 Qb6) 68...b2 69.Ka6 (69.Kb7 b1Q 70.Kc6 Qe4) 69…Qc7 (69...b1Q 70.Ka7 Qbb6) ½-½. carlos78 (2195) - Uvas822 (2135), Rated Blitz game, lichess.org, 2015.

9.0-0 Qd7 10.d4 Rad8 11.Qb3 Ba5 12.Nc3 Ne7 13.Qb7 Rb8 14.Qa7?? (better 14.Qa6+=) 14...Ra8 (14...Nc6 15.Qb8 Rb8 16.Nb5-+) 15.Qa8 (15.Qb7 Reb8 16.Qb3 Rb3 17.ab3 Qd8-+) 15...Ra8 16.a4 Rb8 17.Ra2 Rb2! (17...Rb2 18.Rb2 Bc3-+) 0-1. tpape (2055) - jedrzejczyktactics (2160), Rated Blitz game, lichess.org, 2016.

9.0-0 Qd7 10.Bf6 gf6 11.d4 Qf5 12.Nfd2?? (better 12.h3 Bh3 13.gh3 Qh3 14.Nh2+/-) 12...Be2-+ 13.Qe2 Nd4! 14.Qd1 (14.ed4 Re2 Pinning (14...Re2 Deflection)) 14...Nc2 15.e4 Qe5 16.Qc2 Qa1 17.Nb3 (better 17.Nf3-+) 17...Qe5 18.a3 Bc5 19.N1d2 (19.Nc3 c6-+ (19...Ba3?! 20.Nb5-/+)) 19...Ba3 20.f4 Bc5 21.Nc5 (21.Kh1 Qe6 22.Rf3 a5 23.Nc5 dc5-+) 21...Qc5 22.Kh1 a5 0-1. hal1958 – AidyT, playchess.de, 2002.

9.0-0 Qd7 10.Bf6 gf6 11.d4 Kh8 12.Qb3 Rg8 13.Kh1 a5 14.Qb2 Rg6? (better 14...a4+/-) 15.a3+- Rag8 16.Rg1 (16.ab4 Bh3 17.g3 Bf1 18.Bf1 ab4+-) 16...Bh3 (16...Qf5 17.Rd1 (17.ab4 Bf3 18.Bf3 Qf3-/+) 17...Bf3 18.Bf3 (18.gf3?? Qg5 19.ab4 Qg2) 18...Rg2 19.Bg2 Rg2 20.Kg2 (20.ab4 Qh3 21.Ra5 Qh2) 20...Qg4 21.Kh1 Qd1 22.Kg2 Qg4 23.Kf1 Qd1 24.Kg2 Qg4 25.Kh1 Qd1 26.Kg2=) 17.gh3 (17.ab4 Rg2 18.Nc3 Qg4 19.Ng5 Qg5 20.Bg4 Qg4 21.Ne2 Rg1 22.Rg1 Qf3 23.Rg2 Qg2) 17...Qh3 18.Nbd2 Bd2 19.Qd2 (19.Nd2?? Qh2!? 20.Kh2 Rh6 21.Bh5 Rh5) 19...Rg2 20.c5 (20.Raf1 b6+-) 20...d5? (better 20...Rf2 21.Rg8 Kg8 22.Rg1 Kf8+-) 21.Raf1 Ne7 (21...a4+-) 22.Qa5 b6 (22...Rg1 23.Rg1 Rg1 24.Kg1+-) 23.Qa7 Nf5 24.Qc7 (24.cb6?? Nh4 25.Qb8 Nf3 26.Qg8 Rg8 27.Rg8 Kg8 28.Rg1 Ng1 29.Kg1 cb6-+) 24...Nh6 (24...bc5 25.dc5 Ng3 26.fg3 Re2 27.Qf7 Qh6+-) 25.cb6 R8g6 (25...R2g6 26.b7 Ng4+-) 26.b7 Kg7 27.b8Q (27.b8Q Rg1 28.Rg1+-) 1-0. pierre - Benjamz64, chesshere.com, 2007.

9.0-0 Nd7 10.d3 Nc5 11.Nbd2 Qd7 12.Rc1 (12.h3 Bf5 13.a3 (13.e4 Bg6 14.a3 Bd2 15.Qd2 f5 16.ef5 Bf5 17.Rad1 Re7 18.Rfe1) 13...Ba5= 14.e4 Bg6 15.Nb3 Bb6 16.Nc5 dc5 17.Qd2 f6 18.Rab1) 12...Rad8 (12...f6 13.Rb1 (13.h3 Bf5 14.e4 Bg6 15.Nh4 Bf7 16.Rb1 a6 17.a3 Bd2 18.Qd2) 13...Bf5 14.e4 Bg6 15.a3 Ba5 16.Nb3 Bb6 17.Nc5 dc5 18.Nh4; 12...h6 13.h3 Bh5 14.Qc2 a5 15.Nb3 Nb3 16.ab3 Re6 17.Nh4 Be2 18.Qe2) 13.Nb3 (13.h3 Bh5 14.d4 Bd2 15.Qd2 Ne4 16.Qc2 f6 17.Bc3 b6 18.Rb1; 13.d4 Na4 14.Qa4 Bd2 15.Nd2 Be2 16.Rfe1 Bh5 17.e4 b6 18.Bc3) 13...a6 (13...Na4 14.Ba1= Rb8 15.h3 Bh5 16.Nbd4 Nc5 17.e4 f6 18.Bb2) 14.Nfd4 (14.a3 Ba5+= (14...Na4 15.ab4 Nb2 16.Qd2 Na4 17.h3 Bh5 18.d4) 15.h3 Bh5 16.Na5 Na5 17.Bc3 Nc6 18.d4) 14...Be2= 15.Qe2 Nd4 16.Nd4 (16.Bd4 Na4 17.e4 b5 18.f3) 16...Ne6 (better is 16...b5!?= 17.f3 Rb8 18.f4; 16...Rb8 17.e4 Na4 18.Qc2) 17.Nf5+/– f6 18.Qg4 Kh8 19.e4 Bc5 20.Qg3 (20.Qh4 b5+=) 20...c6 (20...b5 21.d4 Bb6 22.cb5 ab5 23.Rfe1=) 21.d4 (21.Rfd1 Rf8+/–) 21...Ba7 (better is 21...Bb6+=) 22.e5 (better is 22.Rfd1!?+/–) 22...fe5 23.de5 d5 (23...de5 24.Be5 Qf7 25.Qg4+=) 24.Rcd1 (24.Nd6 Rf8+=) 24...d4 (24...Rf8 25.Qg4=) 25.Rfe1 (25.Nd6 Rf8+/–) 25...c5 (25...Rf8!? 26.Nd6 b5=) 26.Nd6 Rf8 27.Rd3 Bb8+= 28.Ne4 Rf5–/+ 29.Nd2? Rdf8 30.Rf3 Bc7 31.Rf5 Rf5 32.Nf3 Bd8 33.Qg4 g6 34.Qe4+= Ba5 35.Rf1 Qe7 36.Bc1 Kg7 37.Qd5 Rf8 38.Bd2? Bd2 39.Nd2 Rd8 40.Qe4+= b5 41.f4 b4 42.f5 gf5 43.Rf5 Rf8 44.Qg4 Kh8 45.Rf8 Nf8 46.Qf5 Kg7 47.Ne4 Nd7? 48.e6+- Nb6 49.Nc5 Nc4 50.Na6?? Ne3 51.Qe5 Qf6+/– 52.Qf6 Kf6 53.e7 Ke7= 54.Nb4 Kd6 55.Kf2 Kc5= 56.Nd3 Kc4 57.Ne5 Kc3 58.g3 d3 ½–½. Wahlberg,Jockum – Loberg,J (1920), 7th Gibtelecom Masters, Caleta ENG, 2009.

9.0-0 Nd7 10.d4 Qe7 11.Qb3+= Rab8 12.Nc3 (12.h3 Bf5 13.Nc3 Bc3 14.Bc3 a6 15.a4) 12...Bf3 (12...Bc3 13.Bc3 Nf6 14.h3 Bf3 15.Bf3) 13.Bf3 (13.gf3?! Qh4 14.d5 Nc5= 15.Qd1) 13...Qg5 (13...Bc3 14.Qc3 Nf6 (14...Qg5 15.e4) 15.Rae1+=) 14.Na4 (14.Nd5!? Ba5 15.Rab1+/– (15.Rac1+/–)) 14...Ba5+= 15.Bc3 (15.Rab1+/–) 15...Bb6 (15...Nb6 16.h4 Qf5 17.Bb2+=) 16.Nb6 ab6 17.a4 Nf8 (17...Nf6 18.Qb5 h6 19.a5 Qb5 20.cb5 Na5 21.Ba5 ba5 22.Ra5+=) 18.Qb5+/– Qh6 (18...Qg6!?+/–) 19.Bc6+- bc6 20.Qc6 Rbc8 21.a5 ba5 22.Ra5 Re6 (22...Ne6 23.Ra7+-) 23.Qb7 (better is 23.Ra7!? Qf6+-) 23...Ree8 24.Rfa1 Qg6 25.Qb1 Qb1 26.Rb1 Rb8 27.Rab5 Nd7 28.Ba5 c6? 29.Rb8 Nb8 30.Bc7 Nd7 31.Bd6 Ra8 32.g3 h6 33.Kg2 Kh7 34.Rb7 Rd8 35.Be7 (35.Be7 Rc8 36.Rd7+-) 1–0. Ramos Moreno,FJ (2105) – Quintana Perez,Maider, Malaga ESP, Regional Ch, 2013.

9.0-0 Ne4 10.a3 A) 10...Bc5 11.Nc3 (11.d3 Nf2 12.Rf2 Be3 13.Qf1 Ne5 14.Ne5 Be2 15.Qe2=+ -0.53; 11.d4 Bb6 12.d5 Na5 13.Qc2 Nc5 14.Nbd2 Qd7 15.h3= 0.25) 11...Nc3 12.Bc3 Bb6 13.d4 Qf6 14.Qc2 Ba5 15.Ba5+= 0.28; B) 10...Ba5 B1) 11.h3 Bf5 12.d3 Nc5 13.Nc3 Ne5 14.e4 Bd7 15.Nd4= 0.00; B2) 11.d3 Nf6 (11...Nc5 12.d4 Ne4 13.d5 Ne7 14.Nbd2 Nc3 15.Bc3= 0.19) 12.Nd4 Ne5 13.f4 Be2 14.Qe2 Neg4 15.Rf3= 0.00; B3) 11.Ra2 d5 (11...Rb8 12.d3 Nf6 13.Nbd2 Bd2 14.Qd2 Qe7 15.Nd4= 0.19; 11...a6 12.d3 Nc5 13.d4 Ne4 14.d5 Ne5 15.Ne5= 0.06) 12.d3 Ng5 13.Nbd2 Nf3 14.Bf3 Bf3 15.Nf3= -0.03; B4) 11.Qc2 Ng5 12.Ng5 Qg5 13.Bg4 Qg4 14.d4 Rab8 15.Bc3= 0.03.

9.0-0 Ne4 10.Qc2 Bf5 11.d3 Ng5 12.Nh4 (12.a3 Ba5 13.Rd1=) 12...Qd7?? (better 12...Nh3 13.gh3 Qh4-+) 13.Nf5 Qf5 14.a3 Ba5 15.Qa4 (15.Nc3 Bc3 16.Qc3 f6+=) 15...Qg6 16.Kh1 (16.d4 Bb6 17.Qd1 Ba5+=) 16...Bb6 (16...Rab8=) 17.d4 (17.Nc3 Ba5+=) 17...a6 (17...Nd4 18.Bd4 Bd4 19.ed4 Re2 20.Nc3-/+) 18.Nd2 (18.Qd1+=) 18...Ne4?? (better 18...Bd4 19.Bd4 Nd4 20.ed4 Re2-/+) 19.Nf3 (19.Ne4!? Qe4 20.Bf3+/-) 19...Ne7 20.Rac1 c6 21.c5 (21.Qc2 Rab8+=) 21...Bc7 22.cd6 Qd6 (22...Bd6 23.Qc2=) 23.Ne5 (23.Qc2 Ng5 24.Ne5 f6+=) 23...f6= 24.Qb3 (24.Rc2!?=) 24...Nd5-/+ 25.Nf3 (better 25.Bf3 fe5 26.Be4 ed4 27.Bd5 cd5 28.f4 de3 29.Be5 Re5 30.Qb7=+) 25...Ng5?? (25...Nd2 26.Qb7 Nf3-+) 26.g3+= Re4? (26...Ne4 27.Qb7 Nec3 28.Bc4+=) 27.Kg2 (better 27.Ng5!? fg5 28.Bf3+-) 27...Rae8 28.Bd3 (better 28.Ng5 fg5 29.Bd3+/-) 28...R4e7?? (better 28...Qe6 29.Qd1 Re3 30.Ng5 fg5=) 29.h4?? (better 29.Ng5 fg5 30.e4 (30.Qb7?! Rb8 31.Qc6 Rb2 32.Qd6 Bd6 33.Rc8 Kf7+/-) 30...Re4 31.Be4 Re4 32.Qb7+-) 29...Nf3-+ 30.Kf3 (30.Bc3 Re3 31.Bb4 Nh4 32.Kh2 Nf3 33.Kg2-+) 30...Kh8 (30...Re3 31.Kg4 Rg3 32.Kh5 g6 33.Bg6 hg6 34.Kh6 Qf4) 31.Kg2?? (31.e4 Nf4 A) 32.gf4? Re4 (32...Qf4?! 33.Ke2=) 33.Be4 Qf4 34.Ke2 Qe4 35.Qe3 Qg4 36.Kd3 Qf5 37.Kc4 Qb5 38.Kc3 Ba5 39.Kc2 Qf5 40.Kb3 Re3 41.fe3 Qe6 42.Kc2 Qe3-+; B) 32.Bc2=) 31...Ne3-+ 32.fe3 (32.Kg1 Ba5 33.Rfe1 Be1 34.Re1-+) 32...Re3 (32...Qg3 33.Kh1 Qh2) 33.Rf3 Rf3 34.Kf3 (34.Kh1 Qg3 35.Qg8 Kg8 36.Bc4 Kh8 37.Rc2 Re1 38.Bf1 Rff1) 34…Qg3 0-1. tall5 (1855) - bjagus (1750), lichess.org, 2019.

9.0-0 Ne4 10.d3 Nc5 11.a3 (11.h3 Bf5 (11...Bh5 12.d4 Ne4 13.d5 Ne7 14.a3 Bc5 15.Qc2= 0.25; 11...Be6 12.d4 Qf6 13.a3 Ba5 14.Ra2 Qg6 15.dc5+- 1.81) 12.a3 Ba5 13.d4 Ne4 14.Bd3 d5 15.Qb3= 0.03) 11...Ba5 12.Nc3 (12.d4 Ne4 13.d5 Ne7 14.Nbd2 Nc3 15.Bc3= 0.19) 12...a6 (12...Ne5 13.Ne5 Be2 14.Ne2 de5 15.Be5= 0.13) 13.Qc2 (13.Nd5 Rb8 14.Qc2 Ne5 15.Ne5= 0.03) 13...Bh5 (13...Bc3 14.Bc3 Ne5 15.Be5= 0.03) 14.g3 (14.Rfd1 Bc3 (14...Ne5 15.Ne5 Be2 16.Ne2 de5+/-) 15.Bc3= 0.22; 14.Rab1 b6 15.Nd5+= 0.38) 14...Bg6 (14...Bc3!? 15.Bc3 Ne5 16.Be5 de5=+) 15.Nh4= Qg5 16.Nd5 Ne5?? Now all is on d3 (better 16...Ne7 17.Ng6 Nd5 18.cd5 Qg6=) 17.f4+- (17.Ng6?! Ng6 18.d4 Ne4+/-) 17...Qh6 18.fe5 de5 (18...c6 19.e4 (19.ed6?! cd5 20.Bc1 Qg5+/-) 19...Ne4 20.Ng6 cd5 21.de4 (21.cd5?! Nd2 22.Rf4 Qg6+=) 21...Qg6 22.Rf5 de4 23.Raf1+- (worse 23.Qe4 Re7+-)) 19.e4 c6 (19...Ne6 20.Ng6 fg6 21.Be5 c6+-) 20.Bc1 cd5 21.Bh6 gh6 22.cd5 Bb6 (22...Rac8 23.Rac1+-) 23.Kg2 Rac8 24.Bg4 f5 (24...Rcd8 25.Rf6 Ba7 26.Raf1+-) 25.Bf5 Bf5 (25...Rc7 26.Qd2 Nb3 27.Qh6+-) 26.Nf5 Ne4 27.Ne7! (27.de4?! Rc2 28.Kh3 Bc5+-) 27...Re7 28.Qc8 (28.Qc8 Kg7 29.de4 Rf7 30.Rf7 Kf7 31.Rf1 Bf2 32.Rf2 Ke7 33.Qf8 Kd7 34.Rf7) 1-0. pierre – Rooking, chesshere.com, 2008.

9.0-0 Bf3 10.Bf3 Rb8 11.d4+= a6 (11...Ba5 12.Qa4 Nd7 13.Nc3+/-) 12.a3 Ba5 13.Nd2 b5?? (better 13...Bd2 14.Qd2 Ne4+=) 14.Bc6+- 1-0. player27 - Iron_Flower, playchess.de, 2001.

9.0-0 Bf3 10.Bf3= Ne5 11.Be5 de5 12.a3 Ba5 13.Bb7 Rb8 14.Bc6 Re6 15.Qa4 Bb6 16.Ra2 Bc5 17.Nc3 e4 (17...Qd3 18.Nd5+=) 18.Nd5 Ng4 19.Bd7 Nh2? (better 19...Rg6+/-) 20.Kh2+- Rh6 21.Bh3 (21.Kg1 Qh4 22.Bh3 c6+-) 21...c6 22.Nc3 Bd6 (22...Qd6 23.Kg1 Qd3 24.Qc2+-) 23.Kg1 Rh3 24.gh3 Qg5 25.Kh1 Qf5 The mate threat is Qxh3 26.f4 ef3?? (26...Qh3 27.Kg1 Qg3 28.Kh1 Qh3 29.Kg1 Qg3 30.Kh1 Qh3=) 27.d4 (27.Qc6?? Qh3 28.Kg1 Qg2) 27...Qh3 28.Kg1 Qg4 29.Kh1 Qh5 30.Kg1 Qg6 ½-½. Waibel,Ulrich - O'Hara,Austin, compuserve, 1995.

9.0-0 Bf3 10.Bf3= Qe7 11.Nc3 =.

9.a3 Ba5 10.0-0 h6 11.h3 Bh5 12.Nc3 Bg6 13.d4 Bb6 14.Nh4 Bh7 15.Bd3 Ba5 16.Bh7 Kh7 17.Nf5 Bc3 18.Bc3 Ne4 19.Bb2 Qg5 20.f3 Qf5 21.fe4 Qg6 (21...Qe4 22.Rf7 Qe3 23.Kh1–/+) 22.e5 de5 23.d5 Nd8 24.Qa4 f6 25.Qd7 Nf7 26.Rac1 Rac8 27.Qa4 a6 28.c5 Red8 29.Rcd1 Ng5 30.h4 Nf7 31.Rf3 h5 32.Bc1 Nh6 33.e4 Ng4 34.Rf5 Kh8 35.Qb3 Rb8 36.a4 Qf7 37.Qc2 Rbc8 38.Qb1 Rb8 39.Rdf1 Qg6 40.Qb3 Kh7 41.Bd2 Rdc8 42.Rb1 b6 43.c6 Rd8 44.Qf3 a5 45.Qe2?? Rd5!–+ 46.ed5 Qf5 47.Rf1 Qg6 48.d6 cd6 49.c7 Rc8 50.Rc1 Qf7 51.Qd3–/+ Kh8 52.Qd6 Qe8 53.Qb6 Qd7 54.Ba5 e4 55.Be1 Qa4 56.Qb7 Qd7 57.Qe4 Rc7 58.Rc7 Qc7 59.Qe8 Kh7 60.Qh5 Nh6 61.Bd2 Qb6 62.Kh1 Qb1 63.Kh2 Qb8 ½–½. Nikishin,Sergey (2110) – Ivanov,Daniil, Kislovodsk RUS, Narzan Open, 2012.

9.Qc2 Ne5 10.Ne5 Be2 11.Ke2 de5-/+ (worse 11...Re5 12.Qb3 c5 13.a3+-) 12.Nc3 c6 13.a3 Ba5 14.Ne4?? (14.Rhd1 Qd6=+) 14...Bc7 (better 14...Ne4 15.d3 Nc5-+) 15.Ng3 e4 (15...Rb8 16.Rad1=+) 16.Bf6= Qf6 17.Ne4 Qg6 18.d3 Be5 (18...f5 19.Nd2=) 19.Rab1 Re7 20.Nc5 (20.g3 f5 21.Nd2 c5=) 20...b6 (20...Bd4! 21.Ne4 f5-/+) 21.Ne4=+ Rae8 (21...f5 22.Ng3 f4 23.ef4 Bf4 24.Kf1=) 22.Ng3 f5 23.Rbc1 (better 23.d4 Bd4 24.Qf5=+) 23...f4-/+ 24.Ne4 fe3 25.fe3?? (better 25.g3 ef2 26.Kf2 Bd4 27.Kg2-/+) 25...Qh5 (better 25...Qg2 26.Ke1 Qh1 27.Kd2 Qh2 28.Kd1 Qh6-+) 26.Kd2= Qh6 (better 26...Qg4 27.Rcg1 Rf7=) 27.g3 (better 27.c5!? b5 28.Rcf1+=) 27...Bd4-/+ 28.Rce1 Re4 (better 28...Rd8!?-/+) 29.de4+= Be5 (29...Bc5!?+=) 30.Qd3 Qg5 31.Kc2 Rd8 (31...Bf6 32.Kc1+/-) 32.Qe2 (32.Qb3 Qg6 33.Rd1 Qe4 34.Kc1 Rf8+/-) 32...Qg4?? (better 32...Qg6 33.Rd1 Qe4 34.Kb3 Re8+=) 33.Qg4+- 1-0. AhmedSultanov (1645) - gh0st_b1rd, lichess.org, 2019.

9.g3 Ne5 10.Ne5=+ Be2 11.Qe2 de5 (worse 11...Re5 12.a3 Ba5 13.Be5 de5 14.0-0+/-) 12.a3 Bf8 13.0-0 e4 14.f3 ef3 15.Qf3 Re6 16.Rf2 c6 17.Nc3 Qd7 18.Rd1 Rae8 19.Ne2 (19.Qf5 h6=) 19...Ne4 (better 19...Re3 20.de3 Qd1 21.Kg2 Qd6-/+) 20.Nf4? (better 20.Rff1=+) 20...Nf2-+ 21.Qf2? (21.Kf2 Re4 22.Nh5-+) 21...Re3! 22.de3 (22.de3 Qd1 Pinning (22...Qd1 Deflection); 22.Qe3 Re3 Combination) 22...Qd1 23.Kg2 Qb3 (better 23...Bc5!? 24.Qe2 Qb1 25.e4 Re4 26.Qd2-+) 24.Bd4 Qc4 25.Qb2 (25.Ba7 Ra8 26.Bd4 Ra3-+) 25...b5 (better 25...c5 26.Qc3 Qc3 27.Bc3 Re3 28.Bd2 Ra3 29.Kf2-+) 26.Nh5 (26.Kf2-+) 26...Qd5 27.e4 (27.Kg1 Qh5 28.Ba7 Qd1 29.Kf2-+) 27…Qh5 (27...Qh5 28.Qc2 Qg4 29.Ba7 Qe4 30.Qe4 Re4-+) 0-1. carlos78 (2145) - jarda (2095), Rated Blitz game, lichess.org, 2015.

9.g3 Bh3!?-/+.

10.Qc2 dc4 11.Qc4= Qd5 (better is 11...Be6 12.Qc2 h6=) 12.Qf4?? (better is 12.Nc3 Qc4 13.Bc4=) 12...Re4–+ 13.Qc7 Bd6 (13...Ba5!? 14.Qg3 Nh5 15.Qh4–+) 14.Qb7 Rb8 15.Qb8 Bb8 16.Bf6 Bf3 17.Bf3 gf6 18.Be4 Qe4 19.d4 Bd6 20.Nc3 Qg4 21.Rab1 Nb4 22.Nb5+= Bf8 23.a3 Nd5 24.Na7 Ba3 25.Rb5 Nc3–/+ 26.Rb8 Bf8 27.Nb5 Ne2–+ 28.Kh1 Qe6 29.Rb1 Qf5 30.Nd6 Qf2 31.Ne4 Qe3 32.Nf6 Kg7 33.Nh5 Kh6 34.Rf8 Kh5 35.Rf7 Kg6 36.Rbf1 Qd4 37.Rf8 Qe4 38.R1f6 Kh5 39.Rf5 Kg4 40.Rf3 Qd5 41.h3 Kh4 42.Kh2 Qd2?? 43.Rg8= h5 44.Ra3 Qc2 45.Re3 Qc7 46.g3 Ng3 47.Reg3 Qg3 48.Rg3 ½–½. Woelfelschneider,Peter – Andersson, corr SOK–96–119, 1997.

10.Qc2 d4!?–/+.

10.d4 dc4 11.Bc4 Qd7 12.a3 Bd6 13.Nbd2 Rad8 14.d5 Ne5 15.Be5 Be5 16.Rb1 Nd5 17.Rb7 Nb6 18.Qc2 Nc4 19.Qc4 Be6 20.Qc5 Bd6 21.Qa5 Bd5 22.Ra7 Ra8 23.Rb1 Qc6 24.h3 Ra7 25.Qa7 Qc2 26.Rb8 Rf8 27.Rf8 Kf8 28.Qb8 Ke7 29.Qb1 Qb1 30.Nb1 Be4 31.Nc3 Bf3+= (31...Bf3 32.gf3 Ba3+=) 0–1. Benner,Gerry S (2430) – Hanison,Bernard (2575), Stans Net Chess, 2004.

10.d4 dc4 11.Bc4 Bh5 12.a3= Bd6 13.Nbd2 Ne4 (13...Rb8 14.h3=) 14.Ne4+= Re4 15.Bd5?? (better 15.Be2+=) 15...Bh2!–+ 16.Kh2 (16.Nh2 Qd5 Discovered attack (16...Bd1 Pinning; 16...Bd1 Deflection); 16.Kh2 Qd6 Double attack (16...Qd5 Discovered attack)) 16...Qd5 17.Rc1 (17.Rh1 Bg4–+) 17...Qd6 18.Kg1 Qh6 (18...Rh4 19.Re1 Re8 20.d5–+) 19.Rc5 (better 19.g3–+) 19...Rh4!! 20.Rh5 (20.Nh4 Bd1 Pinning (20...Bd1 Deflection)) 20...Rh5 (20...Qh5?! 21.Nh4 Qh4 22.Qb3+=) 21.g3 Rh1 22.Kg2 Qh3 0–1. Castro Estrella,Joan Gabriel – Cabrera Marmol,M (1825), 35th Obert La Lira, 2017.

10.cd5 Nd5 11.a3 Bd6 12.Nc3 Nf6 13.d4 a6 14.h3 Bh5 15.Rc1 Rc8 16.Qb3 b5 17.Rfe1 Na5= 18.Qc2 Bg6 19.Bd3 Bd3 20.Qd3 Nc4 21.Nd1 Qe7 22.a4 c6 23.Rc4 bc4 24.Qc4 Qb7 25.Bc3 Ne4 26.Ba5 g6 27.Nc3 Nc3 28.Qc3 c5 29.Qd2 cd4 30.Nd4 Bc5 31.Rd1 Qd5 32.Bc3 Qc4 33.a5 Red8 34.Qd3 Qa4 35.Ra1 Qd7 36.Qa6+= Bd6 37.Qd3 Be5 38.a6 Qa7 39.g3 Qc5 40.Bb2 Qb6 41.Bc3 Qc7?? 42.Ba5+- Qc5 43.Bd8 Rd8 44.Ra4 Bg7 45.a7 Ra8 46.Qa6 Bd4 47.ed4 Qc7 48.d5 Kf8 49.d6 Qd7 50.Ra3 f5 51.Qb6 Ke8 52.Re3 (52…Kf7 53.Re7 Qe7 54.de7+-) 1–0. hertford (2165) – leighcastle (1970), ChessWorld.net, 2003.

10.h3 Be6 11.cd5 Bd5 12.Nc3 =+.

10.a3!? Ba5 (10...Bf3 11.Bf3 Ba5 12.Bb7 Rb8 13.Be5 de5 14.Bc6 Re6 15.Qa4+=) 11.Ne5 Be2 12.Nf7 Bd1 13.Nd8= Be2 14.Re1 Bc4 15.Nb7=+.

10.Qb3 Bf3 11.gf3= Bc5?? (better is 11...Ba5=) 12.d4+- Ned7 (12...Nfd7 13.de5 (13.dc5?! Re6 14.Be5 de5 15.Qb7 Nc5+-) 13...Re6 14.Nd2 de5 15.Rab1+/– (15.Qb7? Rb8 16.Qb8 Qb8–+)) 13.dc5 Nc5 14.Qc2 Nfd7 15.f4 Qh4 16.Nd2 Nf6 (16...Re6 17.Nf3 Qe7 18.Rab1+-) 17.Qf5 (17.Kh1 Nfe4 18.Ne4 Ne4+-) 17...Nfe4 18.Ne4 Ne4 19.f3 (19.Qg4!? Qg4 20.Bg4 Re7+-) 19...Nc5 20.Bd4 Ne6 21.Rf2 (21.Qd3 Qe7 22.Kf2 Qh4 23.Kg2 Qe7+-) 21...g6 (21...Nd4 22.ed4 Qe7 23.Rd1+-) 22.Qf6 Qh6 (22...Qf6 23.Bf6 Ng7+-) 23.Qh8 1–0. Lunin,Mikhail – Parshikov,Nikita, Zhukovskiy_0211b, 2011.

10.Qb3 Nf3!? 11.Bf3 Bf3 12.gf3 Ba5 +=.

10.Nc3 Bf3 11.gf3 c6 (11...d5 12.cd5 Nd5 13.f4=) 12.Qb3= a5 13.a3 Bc3 14.Bc3 Qd7 (14...b6 15.Rfb1 Ned7 16.d4=) 15.f4+= Ng6 16.Bf6 gf6 17.Qd3 Qh3 (17...Qe7 18.Bf3+=) 18.Kh1+/– (18.Qd6?? Nh4 19.Qc6 bc6 20.Bf3 Nf3 21.Kh1 Qh2) 18...Nh4?? (better is 18...d5+/–) 19.Rg1+- Kh8 (19...Ng6 20.f5 Red8+-) 20.Bg4 (20.Qd6 Re6 21.Qc7 Nf3+=) 20...Rg8 (20...Qg4 21.Rg4 Ng6+-) 21.Bh3 Rg1 22.Rg1 1–0. Janek – Kevin, internet free game, 2016.

10.Nc3 h6 =.

10.d3 Qd7 11.Nc3 Qf5 12.Rb1 Ba5 13.e4 Qg6 14.Nd5 Nd5.

10.d3 Qe7 11.Nc3 Bc3 12.Bc3 Rad8 (12...Rab8 13.Rb1=) 13.Ne5+= Be2 14.Nc6 Bd1 15.Ne7 Re7 16.Bf6 gf6 17.Rfd1 b6 18.d4 d5 19.Rac1 dc4 20.Rc4 c5 21.d5 (21.Kf1!?+/-) 21...f5 (21...Re5 22.e4 f5 23.f3 fe4 24.fe4-/+) 22.Rc2 Red7 23.Rcd2 c4 24.g3 b5 25.Kg2 Kg7 26.Kf3 Kf6 27.Kf4 a5 28.Rd4 c3 29.a3 Rc8 30.Rc1 Rc5 (30...Rb7 31.h3-/+) 31.Rc2= Rdd5 (31...Rb7 32.d6 Ke6 33.e4-/+) 32.Rd5 Rd5 33.Rc3 b4 34.ab4 ab4 35.Rc6 Ke7 (35...Kg7 36.Rb6 Rd2 37.f3+/- (37.Rb4?! Rf2 38.Ke5 f6 39.Ke6 Rh2=)) 36.Rb6+/- Rd2 37.f3 (worse 37.Rb4 Rf2 38.Ke5 f6 39.Kd5 Rd2 40.Rd4 Rh2=+; worse 37.Kf5 Rf2 38.Ke5 f6 39.Ke4 Rh2 40.Rb4 h5=) 37...Rh2 38.Rb4 Rf2 39.Rb5 Ke6 (39...h5 40.Re5 Kf8 41.Rf5+/-) 40.Re5+- Kf6 41.Rf5 Kg6 42.g4 h6 43.Rb5 Rc2 44.Rb6 f6 45.e4 Rc3? (better 45...Rc5+-) 46.e5 h5 (46...Rc4 47.Kg3 Rc3+-) 47.Rf6 Kg7 48.gh5 Rc4 49.Kf5 Rh4 (49...Rc2 50.Rg6 Kf8 51.h6+-) 50.h6! Kh7 (50...Rh6 51.Rh6 Combination) 51.f4 Rh5 52.Ke6 Rh4 53.Kf7 Kh8 (53...Rg4 54.e6 Rg7 55.Ke8 Rg8 56.Kd7 Ra8+-) 54.e6 Rh1 55.e7 (55.e7 Rg1 56.e8Q Kh7 57.Qe4 Kh8 58.Rg6 Rg6 59.Kg6 Kg8 60.Qe8) 1-0. opperwezen (2755) - demoboard (2275), Yearly SuperBlitz Arena, lichess.org, 2017.

10.d3 Qe7 11.Ne5 Be2 12.Nc6 Bd1 13.Ne7 Re7 14.Rd1 Nd7+=.

10.d3 Qe7 11.Ne5 Be2 12.Nc6 Bd1 13.Ne7 Re7 14.Rd1 Re6.

10.d3 Nf3 11.Bf3+= Bf3 12.Qf3 c6 13.Bf6 Qf6 14.Qf6 gf6 15.Rd1 Rad8 16.Nd2 d5 17.cd5 Bd2 18.Rd2 Rd5 19.d4 c5 20.Rad1 (20.Rb1 b6+=) 20...Red8 (20...c4 21.Rc2 b5 22.Kf1+=) 21.f3 (21.h3 b5+=) 21...f5= 22.Kf2 b5 (better 22...f4=) 23.e4 (better 23.g3!?+=) 23...fe4-/+ 24.fe4 Rd4 25.Rd4 cd4 (worse 25...Rd4 26.Rd4 cd4 27.Ke2=) 26.Ke2 f6 27.Kd3 Kf7 (27...Rd6 28.Rb1=+) 28.Rc1 (28.Rb1 a6-/+) 28...Ke6 (28...a6=+) 29.g4 (29.Rc6 Ke7=) 29...Rd7 (29...h6!?-/+) 30.Rc5 a6 31.h4 White prepares g5 31...Rg7 (31...b4 32.Rc4 Rg7 33.Kd4 Rg4 34.Rb4=) 32.g5= fg5 33.hg5 Rd7 34.Rf5 Rf7 (34...b4 35.Rf6 Ke5 36.Ra6+=) 35.Rc5 (better 35.Rf7!? Kf7 36.Kd4+/-) 35...Rd7 36.Rc6 ½-½. Genne,Rene - Soccoja,P, Lenk op, 1989.

10.d4 Bf3 11.gf3 A) 11...Ned7 12.Bd3 (12.Qa4 c5 13.a3 Ba5 14.Rd1 cd4 15.Bd4 Bb6 16.Bb2 Qc7 17.Nd2=; 12.a3 Ba5 13.Qb3 Rb8 14.Bd3 c6 15.Nc3 a6 16.Rfc1 b5 17.cb5=; 12.Qb3 Ba5 13.Rd1 Rb8 14.Qa3 b6 15.Bd3 Qe7 16.Nd2 Bd2 17.Rd2=) 12...c6 13.Qb3 Qa5 14.a3 Be1 15.f4 Rab8 16.Qc2 Ng4 17.Bh7+-; B) 11...Ng6 12.Qd3 (12.Bd3 Qd7 13.Bg6 fg6 14.Qb3 c5 15.e4 Qh3 16.Rd1 Nh5 17.Bc1=+; 12.a3 Ba5 13.Bd3 d5 14.Qa4 c6 15.Rc1 Nh4 16.Kh1 Nf3 17.Be2–/+; 12.Qb3 Ba5 13.Bd3 c6 14.Rc1 Nh4 15.f4 Nf3 16.Kg2 Ne1 17.Kf1–/+) 12...Qe7 13.Qf5 Qd7 14.Qd7 Nd7 15.Bd3 Nf6 16.a3 Ba5 17.Bc3=.

10.d4 Bf3 11.Bf3 Nf3 12.Qf3 d5 13.a3 Bf8 14.Nd2 c6 15.Rab1 Bd6 16.c5 Bc7 17.Qf5=.

10.d4 Ng6 A) 11.h3 A1) 11...Bd7 12.Qb3 (12.Bd3 Ba5 13.Qb3 Rb8 14.Qa3 b6 15.Bc3 Bc3 16.Nc3 a5 17.Qb3+=; 12.a3 Ba5 13.Bd3 d5 14.Qb3 Be6 15.Qb7 dc4 16.Bg6 fg6 17.Qa6=; 12.Bc3 Bc3 13.Nc3 Bf5 14.Bd3 Bd3 15.Qd3 Rb8 16.Rfe1 d5 17.cd5=) 12...Ba5 13.Bd3 c6 14.Bc3 Bb6 15.Nbd2 Qe7 16.a4 Rab8 17.a5+=; A2) 11...Bc8 12.Qa4 c5 13.dc5 Bc5 14.Bf6 gf6 15.Nc3 Bd7 16.Qb3 Bc6 17.Nd5+-; A3) 11...Bf3 12.Bf3 c6 13.Qb3 Ba5 14.Nc3 Rb8 15.Rfb1 Bc3 16.Bc3 Ne4 17.Be4+=; B) 11.Bc3 B1) 11...a5 12.a3 (12.Qb3 Nh4 13.Bb4 ab4 14.Qb4 Bf3 15.Bf3 Nf3 16.gf3 b6 17.Nd2=; 12.h3 Bf5 13.a3 Bc3 14.Nc3 Ne4 15.Ne4 Be4 16.Bd3 d5 17.Rb1=) 12...Bc3 13.Nc3 Qe7 14.Rb1 b6 15.Re1 Qe6 16.Bd3 Nf8 17.h3+=; B2) 11...Bf3 12.Bf3 Bc3 13.Nc3 c6 14.Rb1 Qa5 15.Qd3 Re7 16.Ne4 Qf5 17.Nf6+=; B3) 11...c5 12.Bb4 cb4 13.Nbd2 Qa5 14.Qb3 Nf4 15.Bd1 Ne6 16.Rb1 Bf5 17.Qb4+-; B4) 11...Bc3 12.Nc3 Qe7 13.Rb1 Rab8 14.Re1 Qd7 15.a3 a6 16.Qd2 c6 17.Rb6=; C) 11.Qb3 C1) 11...Ba5 12.a3 (12.Nc3 Nf4 13.Bd1 Nd3 14.Ba3 Bc3 15.Qc3 Nf2 16.Rf2 Ne4 17.Qb2+=; 12.h3 Bc8 13.Bd3 c6 14.Nc3 Qe7 15.Rfd1 Be6 16.Ng5 Bc8 17.Nge4+=; 12.Bc3 Bb6 13.a4 a5 14.Nbd2 Bf5 15.Rfe1 Qd7 16.Rad1 Qe7 17.Qb2+=) 12...Rb8 13.h3 Bf5 14.Qb5 c5 15.dc5 Ne4 16.cd6 Nd6 17.Qd5+=; C2) 11...c5 12.h3 (12.a3 Ba5 13.h3 Bf5 14.Rd1 Qe7 15.Nbd2 b6 16.Bd3 Bd3 17.Qd3=) 12...Bf5 13.a3 Ba5 14.Nbd2 b6 15.Rfd1 Rb8 16.Bd3 Qd7 17.e4+=; D) 11.a3 Ba5 12.Qb3 (12.Nbd2 Bd2 13.Qd2 Ne4 14.Qd1 Nh4 15.d5 Bf3 16.Bf3 Qg5 17.Bg4=; 12.Nc3 Qe7 13.Qc2 Rab8 14.h3 Bd7 15.Bd3 c6 16.Qa4 b6 17.Rab1=; 12.Bc3 c6 13.Qb3 Bb6 14.Nbd2 Qe7 15.Bd3 Qd7 16.Qc2 Qe7 17.Rfb1+=) 12...Rb8 13.h3 Bf5 14.Qb5 c5 15.dc5 Ne4 16.cd6 Nd6 17.Qd5+=.

10.Ne5 Be2 11.Qe2 de5 12.a3 Ba5 13.d4 ed4 14.Bd4 Qd4 15.ed4 Re2 16.Re1 Re1 0-1. fishissushi (1805) - Tulchess (1775), Rated Bullet game, lichess.org, 2020.

10.Ne5 Be2=+ 11.Nf7 Bd1 (11...Kf7 12.Qe2 c6 (12...d5 13.Bf6 Qf6 14.d4 Kg8) 13.d3 (13.a3 Ba5 14.d3 Kg8) 13...Kg8 14.a3 Ba5+- (14...Bc5 15.Qc2+-)) 12.Nd8 Be2 13.Re1 (worse 13.Nb7 Bf1 14.Kf1 Reb8 (14...Ne4=+ 15.d3=+) 15.a3=+) 13...Bc4 14.Nb7 Bd5 (14...Reb8 15.Rc1 Bd3 16.Rc7–/+) 15.a3= Ba3 (15...Bd2!? 16.Nd2 Bb7=) 16.Na3+- (worse 16.Ra3 Bb7 17.Bf6 gf6=) 16...Bb7 17.Nb5 Nd5 18.Rec1 Re7 19.Na7 (19.Na7 Kf7 20.Nb5+-) 1–0. Grunberg,Hans Ulrich – Alexeyev, corr, 1967.

10.Ne5 de5?? 11.Bg4+- Ng4 12.Qg4 1-0. wiking – Wecker, internet, 2009.

11.Bf3 Qd7 12.Bg4 (12.a3 Ba5 13.Bg4 Ng4 14.Bc3 Bc3 15.Nc3 c6 16.Rb1 Rab8 17.e4=) 12...Ng4 13.h3 Nh6 14.Qb3 c5 15.a3 Ba5 16.Rd1 Qe7 17.Bc3+=.

11.Bf3 Bf3 12.Qf3 d5 13.a3 Be7 14.cd5 Qd5 15.Qd5 Nd5 16.Nc3 Nb6 17.Nb5=.

11.Bf3 Bf3 12.Qf3 d5 13.Bc3 Bf8 (13...Bd6 14.cd5 Qd7 15.Bd2=) 14.Nd2 c6 15.Rab1 Qc7 16.Rfc1 Rac8 17.a4 Bd6 18.h3 (18.c5 Be7=) 18...Ne4 (18...Qe7 19.Rb3=) 19.Ne4+= de4 20.Qd1 (20.Qg4 b6+=) 20...Qe7 (20...Rcd8 21.Qg4=) 21.c5 Bb8 (21...Bc7 22.Qg4 Rcd8 23.Kf1=) 22.a5 (22.Qg4 g6+=) 22...Qc7= 23.Kf1 Qh2 (23...Re7 24.d5 cd5 25.Qd5=) 24.Rb7+= Qh1 25.Ke2 Qg2 26.Qf1 (26.Qh1 Qg5+=) 26...Qf3= 27.Kd2 (27.Ke1 Rc7 28.Rcb1 Rb7 29.Rb7 Rd8=) 27...Rc7 28.a6 (28.Rb3 Rd8=) 28...Rb7=+ 29.ab7 f5 (29...Re6 30.Ra1=+) 30.Qc4 (30.Ke1 f4 31.Bd2 Kh8=) 30...Kh8 31.d5 Qf2 32.Qe2 Qh4 (32...Qg3 33.d6 Rf8 34.Bd4=+) 33.dc6 (33.Rg1 Rg8 (33...cd5 34.Bg7 Kg8 35.Bf6 Qg4 36.Rg4 Kf7 37.Rh4+-) 34.d6 Qd8+-) 33...Rd8 (33...Qd8 34.Ke1 Qg5 35.Kf1+=) 34.Kc2= Qh3?? (better 34...Qe7=) 35.Rg1 (better 35.Ba5!? Rf8 36.c7 f4+-) 35...Rg8 36.Qg2 Qg2 37.Rg2 h6 (37...f4 38.ef4 Bf4 39.Rg4+-) 38.Kb3 (38.Ba5 Kh7+-) 38...Kh7 (38...f4 39.Ba5 f3+-) 39.Ba5 g5 (39...f4 40.ef4 Bf4 41.c7 Bc7 42.Bc7+-) 40.c7 g4 1-0. OnlyPolishOpening (2090) - momo_klaus (2070), lichess.org, 2020.

11.Bf3 Bf3 12.Qf3 d5 13.c5 c6 14.Na3 Ne4 15.Qe2 Ba5 16.Nc2 Bc7 17.Qd3 Qh4 18.h3 f5 19.Bc1 Re6 20.Ne1 Rg6 21.Qe2 Qh3 22.f4 Qh4 23.Nf3 Qg4 24.Qf2 Nf2 0-1. tpape (1965) - das_schach (1915), Rated Blitz game, lichess.org.

11.Bf3 Bf3 12.Qf3 Ne4 13.Qf5 (13.a3 Ba5 14.Qf5 c6 15.d5 Qb6 16.Bd4 c5 17.Bg7–+) 13...Qg5 (13...c6 14.a3 Bd2 15.d5 Qb6 16.Nd2 Nd2 17.Bc3=+; 13...c6 14.a3 Ba5 15.Qf3=+) 14.Qg5+= Ng5 15.Bc3 (15.a3 Ba5 16.Bc3 Bb6 17.Nd2+=; 15.a3 Ba5+=) 15...a5 (15...Bc3 16.Nc3 c6 17.Rab1+=; 15...Bc3 16.Nc3 Ne4 17.Rfc1=) 16.a3+= Bc3 17.Nc3 Ne4 18.Nd5 Rac8 19.Ra2 (19.Rac1 c6 20.Nb6 Rcd8+=) 19...Kf8 (19...c6 20.Nb6 Rc7 21.Rb2+=) 20.f3 Ng5 21.Rb2 b6 22.Kf2 (22.h4 Ne6+-) 22...Ne6+= 23.h4 Rb8 (23...Nd8 24.e4+-) 24.Rd1 (24.g4 Rb7+-) 24...Rb7 (24...f5 25.e4 fe4 26.fe4+=) 25.g3 (25.g4 Reb8 26.Rdb1 h6+-) 25...Reb8 (25...h6 26.e4+-) 26.Rdb1 Nd8 (better 26...Re8+-) 27.c5 (better 27.e4!?+-; better 27.e4!?+-) 27...dc5= 28.dc5 b5 (28...bc5 29.Rb7 Rb7 30.Rb7 Nb7 31.Nc7=) 29.Nc3 (29.Ke2 c6 30.Nf4 Ne6 31.Ne6 fe6=) 29...b4=+ 30.ab4 Rb4 31.Rb4 Rb4 32.Rb4 ab4 33.Na4 Nb7 (33...Ke7 34.Ke2=+) 34.Ke2= Ke7 35.Kd3 Na5 36.Kd4 Kd7 (36...Ke6 37.e4=) 37.Kd5 c6 38.Kd4 f6 (38...Ke6 39.e4=+) 39.e4 (39.Nb2 Ke6=) 39...Ke6 40.f4 White intends e5 40...g6 (40...h5 41.Nb6=) 41.g4 Nb3 42.Ke3 f5 43.gf5 gf5 44.e5 h5 45.Kd3 Kd5 Exerts pressure on the isolated pawn 46.Kc2?? (better 46.Nb6 Ke6 47.Na4=; better 46.Nb6 Ke6 47.Na4=) 46…Nd4–+ (46...Nd4 47.Kd3 Ne6–+; 46...Nc5 47.Nc5 Kc5 48.Kb3+-; 46...Nd4 47.Kd3 Ne6–+; 46...Nc5 47.Nc5 Kc5 48.Kb3+=) 0–1. Holtzmann,Sonny (1735) – Larsen,Jes (2000), 5th XtraCon Open, 2010.

10.a3 Ba5 11.Nc3 Bb6 (11...Bc3 12.Bc3 Ne4 13.Rb1=) 12.d4 a6 (12...Bf5 13.Bd3 Bd3 14.Qd3=) 13.h3 (13.Nd5 Nd5 14.cd5 Na5+=) 13...Bh5 (13...Bf5 14.Bd3 Qd7 15.Nd5+=) 14.Nd2 (14.Qa4 Qd7 15.Rad1 Ba7+=) 14...Be2 (14...Bg6 15.Qa4=) 15.Ne2 (worse 15.Qe2 Bd4 16.Rfe1 Bc3 17.Bc3 Qe6-/+) 15...Rad8 (15...Ba5 16.Nf3=) 16.Qc2 (16.Bc3 h6+=) 16...h6 (16...d5 17.Nf4+=) 17.Nb3 (17.Rab1 d5+=) 17...Ba7 (17...Qe4 18.Qe4 Ne4 19.f3=) 18.d5 Ne5 19.Nbd4 g6 20.Nf4 Kg7? (20...c6 21.dc6 bc6 22.Rab1=) 21.Nfe2 (better 21.Nde6! fe6 22.Be5 de5 23.Qg6 Kh8 24.Qh6 Kg8 25.Ne6+/-) 21...c5 (21...Kg8 22.Rab1=) 22.Nf3 Nf3 23.gf3 Kh7 (23...b5 24.Rab1 bc4 25.Ng3+/- (worse 25.Qc4 Kg8+/-)) 24.Kh2 (24.Qc3 Qe5+=) 24...b5 (24...Nd7 25.a4+=) 25.Rg1 (25.Nf4+/-) 25...b4? (better 25...Nh5+=) 26.Nf4+- ba3?? (better 26...Rg8+-) 27.Ng6! (27.Ng6 Qe4 28.fe4 (28.Qe4?! Ne4 29.Ra3 Rb8+-) 28...ab2 29.Qb2 fg6 30.Qf6+-) 1-0. mtr – nepo, Caissa's Web, 2001.

10.a3 Ba5 11.h3 Bh5 (11...Bf5 12.Nc3=) 12.d3 d5 13.Nbd2 (13.g4 Bg6 14.g5 Nd7 15.cd5 Nce5 16.Ne5 Ne5=) 13...Rad8 (13...Bd2 14.cd5 Be3 15.dc6=) 14.Bf6 (14.Rb1 Bd2 15.Nd2 Be2 16.Qe2 dc4 17.Nc4 b5=) 14...Qf6 15.cd5 Rd5 16.d4 (16.Rb1 Bb6=) 16...Rd7 (16...a6 17.Qb3 Rdd8 18.g4 Bd2 19.gh5 Nd4 20.Nd4 Rd4 21.ed4 Re2 22.Qb7+-) 17.Rb1 (17.Nc4 Bb6=) 17...Bd2 (17...Bb6 18.Bd3=) 18.Qd2 Nd8 (18...b6!?=) 19.Qa5+- Bg6 20.Ne5 Bb1 21.Nd7 Qd6 (21...Qf5 22.Qc7 Be4 23.Rd1+-) 22.Rb1 Qd7 23.Bf3 (23.Qa7 Qf5 24.Rc1 c6+-) 23...b6 (23...c6 24.Qa7 Qd6 25.a4+-) 24.Qa7+- Nc6 (24...Qd6+-) 25.Qa4 Ne5 (25...Nb8 26.Qd7 Nd7 27.Rc1+-) 26.Qd7 Nd7 27.Rc1 c5 28.Bc6 Rd8 29.Bd7 Rd7 30.dc5 (30.dc5 bc5 31.Rc5+-) 1–0. michaelbuss (2790) – alun, ChessWorld.net, 2011.

10.Nc3 Rad8 11.Re1 (11.Qb3 Bc3 12.Bc3 b6=) 11...Ba5 (11...d5 12.cd5 Nd5 13.Qb3+=) 12.a3 (12.Nd5 Nd5 13.cd5 Ne5+=) 12...Ne5= 13.Ne5 Be2 14.Qe2 de5 15.e4 c6 16.a4 (16.d3 Bb6+=) 16...Bb4 (16...Rd4!?–/+) 17.Red1+= Bc5 18.Rab1 Rd7 19.a5 Red8 20.Na4 Bd4 21.Bd4 Rd4 22.d3 R8d7 23.Nb2 (23.f3 h5+=) 23...g6 24.f3 (24.h3 Qd6–/+) 24...Nh5 (24...Qc5 25.Qf2–/+) 25.g3 Qc5 26.Kg2 Qa5 27.Ra1 Qc5 28.Na4 Qd6 29.Nb2 b6 30.Ra4 a5 31.Rc1 Qc7 32.Qd2 Ng7 33.h4? Ne6–+ 34.h5 Nc5 35.Ra3 Qd6 36.hg6 fg6 37.Rcc3 Kg7 38.Kf2 Qf6 39.Kg2 Rf7 40.Qe3 g5 41.Ra1 h6 42.Rf1 Qd8 43.Rf2 Rd6 44.f4? Rdf6 45.f5 Rd7 46.Kf3 Ne6 47.Kg2 Nd4 48.Na4 Rb7 49.Rb2 b5 50.Nc5 Rb6 51.cb5 cb5 52.Qc1 Kf7?? 53.Qd1?? Rfc6 54.Qa1? a4 55.Ne6–/+ Ne6 56.Rc6 Nf4 57.gf4= Rc6 58.Qa2 Kf8 59.Qa3 Kf7 60.fe5+= Qc7? 61.Rb5+- Rc2 62.Kg3 Rc3?? 63.Qa2 Kf8 64.Qb1 Rb3 65.Rb3 ab3 66.Qb3 Qe5 67.Kg4 Qe7?? 68.Qb8 Kf7 69.Qb3 Kf6?? 70.Qb6+- Kf7 71.Qg6 (71.Qg6 Kf8 72.Qh6 Ke8 73.f6 Qd7 74.Kh5 Qh3 75.Kg6 Qd3 76.f7 Kd7 77.f8Q Qa6 78.Kg5 Qh6 79.Qh6 Kc8 80.Qc6 Kb8 81.Qd6 Ka7 82.Kg6 Kb7 83.e5 Kc8 84.e6 Kb7 85.e7 Ka7 86.e8Q Kb7 87.Qeb8) 1–0. Zelanti,Markus – Kranch,Klaus (1770), Berlin GER, 2012.

10.d3 a5 11.h3 Bh5 12.Nbd2 a4 13.a3 Ba5 14.Qc2 Bb6 15.d4 Nd7 16.Bd3 Bg6 17.Bg6 hg6 18.Rfe1 f6 (18...Ba5!?+/-) 19.Qg6+- Qf7 20.Qd3 Qh5 21.e4 Nf8 22.Nf1 Ng6 23.Ng3 Qh6 24.Bc1 Qh7 25.Bd2 Ba5 26.Qc2 Bd2 27.Qd2 (27.Nd2?! Nd4 28.Qb2 c5+=) 27...Na5 28.Rac1 1-0. biangkerox (1840) - alessandrocarvalhaes (1850), lichess.org, 2020.

10.d3 Rad8 11.a3 Ba5 12.Nbd2 a6 13.Nb3 Bb6 14.Nfd4 Be2 15.Qe2 Ne5 16.Nf5 Qd7 17.e4 d5 18.c5 Ba7 19.Qd2 de4? (better is 19...h6 20.f4 Nd3 21.Qd3 de4+/–) 20.Qg5+- g6 21.Nh6 Kg7 22.Be5 Re5 (22...Re5 23.Qe5 Qe6 24.Qc7 Rd7+-). Cornacchini,G (1795) – Fernandez Gonzales,Gregorio (1890), ICCF FM/1379, 2011.

10.d4 Rad8 11.a3 Ba5 12.h3 Bf5 13.Qb3 b6 14.Nh4 Be4 15.Nc3 Bc3 16.Bc3 Na5 17.Ba5 ba5 18.Qc3 a4 (18...c5 19.Nf3) 19.Bd1 Qd7 20.Qa5 Ra8 21.Ba4 c6 22.f3 Bd3 23.Rfd1 Bc4 24.d5 Nd5 25.Rd5 Bd5 26.Qd5 cd5 27.Bd7 Re3 28.Nf5 Re5 29.f4 Re2 30.Rd1 Ra2 31.Bc6 Rd8 32.Rd3 Ra1 33.Kh2 g6 34.Nd4 Rc8 35.Bd5 Rcc1 36.Bf3 Rh1 (36...a6) 37.Kg3 f5 38.Nb5 a6 39.Nd6 h5 40.Nc4 Rae1 41.Kh4 Kh7 42.Ne5 Kh6 43.Rd6 a5 44.Rg6 Kh7 45.Kg5 Kh8 46.Kf6 1–0. Wall,Bill – Foo,Nathan, Palm Bay, FL, 2011.

10.d4 d5 11.a3 Ba5 12.Qb3 dc4 13.Bc4 (worse 13.Qb7 Qe6 14.d5 Nd5=+ (14...Qd5?! 15.Bf6 gf6 16.Rd1=)) 13...Bb6 14.Qc2 Qe4? (better 14...Bf3 15.gf3 Qd7=) 15.Bf7!+- Kf8 (15...Kf7 Decoy to f7 16.Ng5 Theme: Double Attack) 16.Qe4 Ne4 (better 16...Re4!? 17.Bc4 Bf3 18.gf3 Ree8+/-) 17.Be8+- Re8 18.Nbd2 Nf6 19.Rac1 Re7 20.Rfe1 Nd5 (20...Ba5 21.Bc3 Bb6 22.Nc4+-) 21.Nc4 Ba5 (21...Bf3 22.gf3 Na5+-) 22.Na5 Na5 23.Rc5 Bf3 24.gf3 c6 25.Ra5 b6 (25...a6 26.Bc1+-) 26.Ra4 b5 (26...Ke8 27.Rc1 Rc7 28.Kf1+-) 27.Ra6 Re6 (27...Rc7 28.e4 Nb6 29.Bc3+-) 28.Ra7 (28.Ra7 Kg8 29.e4+-) 1-0. guest5713 - torrent (1860), ICC, 2005.

10.d4 d5 11.a3 Bd6 12.c5 =.

10.d4 Ne4 11.a3 Ba5=.

10.d4 Ne4 11.Qa4 a6 (11...Qf6 12.Qb3 a5 13.a3+/–) 12.Qc2 (12.a3 Ba5=) 12...Ba5 (12...Bf5 13.Bd3=) 13.a3 (13.d5 Nb4 14.Qd1 Bf3 15.gf3 Qg5 16.Kh1 Nf6+-) 13...Nd8 (13...Bf5 14.Bd3=) 14.Nc3 Nc3 15.Bc3 Bc3 16.Qc3 Ne6 ½–½. Hofmann,Bernhard (2095) – Wurzer,Gerhard (1845), Wattens op, 1997.

10.d4 Ne4 11.Nbd2 Nc3 12.Bc3 Bc3 13.Rc1 Ba5 14.Nb3 Bb4 15.Qd3 Rad8 16.Ne1 Be1 17.Bg4 Bb4 18.Bf3 Ba5?? (better 18...Qe6+=) 19.Bc6+- (19.Bc6 bc6 20.Na5+-) 1-0. tpape (2050) - TheGreatAkiva (2060), Rated Blitz game, lichess.org.

10.d4 Ne4 11.Nfd2 Be2 12.Qe2 Nd2 13.Nd2 Bd2 14.Qd2 f6 (14...Qe4 15.Rab1=) 15.Rfe1 Rad8 (15...f5 16.Rab1=) 16.Rac1 (16.e4 Qf7+=) 16...b6 (16...Qe4 17.f3 Qg6 18.Rb1=) 17.e4+= Na5 18.f4 c5 19.d5 Qd7 20.Qc2 Qg4 21.g3 (21.Rf1 Rd7=) 21...Qf3 (21...Rd7 22.Qa4=) 22.Qe2+= Qe2 23.Re2 Re7 24.Kf2 Rde8 25.Kf3 Kf7 26.h4 (26.g4 Nb7+=) 26...h5= 27.Rcc2 Kg6 ½-½. Borucki,Bogumil - Adamowski,Andrzej, corr 1AMM Poland, 1991.

9.Bf3 a5 10.a3+- Bc5 11.d4 Ba7 (11...Bb6 12.0-0+-) 12.0-0 b6?? (better 12...Qd7+-) 13.Bc6+- Rb8 (13...Rc8 14.Qd3+-) 14.Nc3 d5 (14...Rc8 15.Nb5 Bb8 16.e4+-) 15.Nb5 1–0. Marekt – Rdhopeca, internet, 2019.

9.Bf3 Qe7 10.0-0 Rab8 (10...Ne5!?=) 11.d4+= a6 12.Qb3 Nd7 (12...Ba5 13.Nc3+=) 13.a3 Ba5 14.Nc3 Bc3 15.Qc3 Qh4 16.e4 Nb6 17.g3 Qh6 (17...Qg5 18.a4+/–) 18.Bd1 Rfe8 (18...Rbe8 19.Re1+/–) 19.Re1 Rbd8 20.f4 Re7 (20...Ne7 21.Bc2+-) 21.Bc2+- Rde8 22.Rad1 Nd7 23.c5 dc5 24.dc5 Na7 (24...Nf6 25.e5 Ng4 26.Re2+-) 25.a4 Nf6 26.e5 Ng4 27.Re2 Nc6 28.Qb3 Nd8 (28...Qe6 A) 29.Qb7?! Rb8 30.Qa6 Nd4+/– (30...Rb2?? 31.f5 Nge5 32.fe6+-); B) 29.Qf3+-) 29.Qf3 Qh5 (29...Qh3 30.Bf5 h5 31.Red2+-) 30.Qg2 Nh6 31.Be4 c6 32.f5 f6 33.h3 (worse is 33.ef6 gf6 34.Rf1 Ng4+/–) 33...Nhf7 34.Red2 (34.ef6 Re4 35.Re4 Qd1 36.Kh2 Re4 37.Qe4 Qd2 38.Kg1 h6–+) 34...fe5 35.Rd3 (35.Bc3 Rf8 36.Ba5 Ree8+-) 35...g6 36.g4 Qh4 37.Bc3 (37.fg6?! hg6 38.Bg6 Ne6 39.Bf7 Rf7 40.Be5 Qg5+=) 37...Rf8 38.Be1 (38.Kh2 Ree8+-) 38...Qh6 39.Bd2 Qh4 (39...Qg7 40.h4+-) 40.Rf1 (40.fg6?! hg6 41.Bg6 Ne6+=) 40...Ng5 41.fg6 Nde6 42.Bg5 Ng5 43.Qa2 Kg7 44.Rf8 Kf8 45.gh7 Rh7 46.Bh7 Qh7 47.Qd2 Qh4? 48.Kh2 Ne6 49.Rf3 Nf4 50.Qd6 Qe7 51.Qe7 Ke7 52.Rf4! ef4 53.Kg2 Ke6 54.h4 1–0. marekt (2115) – yulio (1905), gameknot.com, 2014.

9.Bf3 Re8 10.0-0 Rb8 11.Nc3 Ne5= 12.Nb5 (12.Be2 Bc3 13.Bc3 d5=) 12...Nc4 (12...a6 13.a3 Ba5 14.Be5 de5 15.Nc3-/+) 13.Qb3 (13.Bf6 Qf6 14.Nc7 Nd2 15.Ne8 Re8 16.Qa4+-) 13...Nb2=+ 14.Qb4 a6 (14...Nd3 15.Qc3 Ne5 16.Qc7 Nf3 17.gf3=) 15.Qb2 ab5 16.Qb5 c6 17.Qb2 h6 18.Rfc1 Ne4 19.Rc4 d5 20.Rc2 Qg5 21.Qd4 c5 22.Qa4 (22.Qb2 c4=) 22...b5=+ 23.Qa6 Qh4?? (23...c4 24.Qa5=+) 24.g3 (24.d3 Nf6 25.Rc5 d4+/-) 24...Qf6?? Black plans d4 (better 24...Qe7=+) 25.Qf6+/- Nf6 26.Rc5 d4 (better 26...b4!?+/-) 27.Rb1+- de3 (27...b4 28.Rc4+-) 28.de3 Ne4 29.Be4 (29.Rcb5 Rbc8 30.Ra1 Rc2 31.Be4 Re4+-) 29...Re4 30.Rcb5 Ra8 (30...Rb5 31.Rb5 Ra4 32.Rb8 Kh7 33.Rb2+-) 31.Rb8 Rb8 (31...Re8 32.Re8 Re8 33.a4+-) 32.Rb8 Kh7 33.Ra8 g5 34.a4 Kg7 35.a5 Kf6 (35...g4 36.h3!+-) 36.a6 (36.Ra6 Kg7+-) 36...Ra4 37.a7 Ke7 38.Kg2 Kd6 (38...g4 39.e4! Kf6 40.e5 Kg7 41.h3+-) 39.Kf3 (39.Rd8 Ke5 40.a8Q Ra8 41.Ra8 Kf6+-) 39...f5 (39...Ke7 40.g4+-) 40.h3 (40.Rd8 Ke6 41.a8Q g4 42.Kg2 Ra8 43.Ra8 Kf7+-) 40...Kc7 (40...g4 41.hg4 fg4 42.Ke2+-) 41.Ke2 (better 41.Rg8 Ra7 42.Rg7 Kd6 43.Ra7+-) 41...Kb7 (41...Ra2 42.Kd3 Ra3 43.Kc4+-) 42.Rf8 f4 (42...Ka7 43.Rf5 Ra2 44.Kf3+-) 43.gf4 (43.a8Q Ra8 44.Ra8 fg3 45.fg3 Ka8+-) 43...gf4 (43...Ka7 44.f5+-) 44.Rf4 (better 44.a8Q Ra8 45.Ra8 fe3+-) 44...Ra7 (44...Ra2 45.Kf3 Ka7+-) 45.Rf7 Kb6 46.Ra7 Ka7 (46...Kc6 47.Ra6 Kd7 48.Rh6+-) 47.Kf3 Kb7 48.Kf4 Kc7 49.Kf5 Kd7 50.Kg6 Ke7 51.Kh6 Ke6 52.Kg5 Kf7 53.h4 (53.h4 Ke6 54.f4+-) 1-0. AhmedSultanov (1720) - Elio_M (1740), lichess.org, 2019.

9.Bf3 Re8 10.0-0 Ne5 11.Be2 Ba5 12.d4 Ned7 13.Qa4 c6 14.Nc3 Bb6 (14...Bc3 15.Bc3 Ne4 16.Qc2=) 15.Bf3 White prepares the advance d5 15...Bc7 16.Ne2 (16.Qb4 Nb6+=) 16...Qc8 (16...d5 17.cd5 Nb6 18.Qb3 Nfd5 19.e4=) 17.Ng3 (better 17.Qc2+=) 17...Nf8?? (better 17...d5 18.cd5 Nb6=) 18.d5+- c5 19.Bf6 gf6 20.Qc2 Ng6 21.Nf5 Qd7 22.Bg4 Qd8 23.h4 (23.Rfb1 Rb8+-) 23...Re5 (23...Ba5 24.h5 Ne5 25.Be2+-) 24.f4 Rf5? (better 24...Re8+-) 25.Bf5 Nh4 26.g4 (better 26.Bh7!? Kg7+-) 26...Nf5 27.gf5 (27.Qf5 Qe7 28.Rf3 Re8+-) 27...Qe8 (27...Qe7 28.Rf3+-) 28.Qg2 (28.Rf3 Kh8+-) 28...Kh8 (28...Kf8 29.Rf3+-) 29.Kf2 Qf8? (29...Qa4 30.Rg1 Qc2 31.Kf3 Qg2 32.Rg2+-) 30.Rg1 (30.Rh1 Ba5 31.Rh3+-) 30...Qh6?? (30...h6+-) 31.Rh1 Qg7 32.Rag1 (better 32.Qh3+-) 32...Qg2 33.Rg2 a6?? (33...Rg8+-) 34.Rgh2 b5 (34...Kg7 35.Rh7 Kf8 36.Rh8 Ke7 37.Ra8 Bd8+-) 35.Rh7 Kg8 36.Rh8 Kg7 37.R1h7 1-0. MrKooshaJ (2585) - A_H_Kashefi (2355), Rated Bullet game, lichess.org, 2021.

10.0-0 Nc4 11.Qb3 Nb2 12.Qb4 Nd3 13.Qb7 d5 14.Be2=.

10.Bb7 Nd3=+ 11.Kf1 Nb2 12.Qb3 Rb8 13.Qb4 (13.Qb2!? Rb7 14.a3-/+) 13...Nd3-+ 14.Qc3 Nf2 (better 14...Ng4!? 15.Qd3 Qf6-+ (15...Rb7?! 16.Qf5 Qh4 17.Nc3=)) 15.Kf2=+ Rb7 16.Rf1?? (better 16.Kg1-/+) 16…Ne4-+ (16...Ne4 17.Kg1 Nc3 18.Nc3 Rb2-+) 0-1. cucosant2 (1690) - THEGREATCHRLINI (1675), Rated Blitz game, lichess.org, 2020.

10.Be2 a6 11.Qb3 a5?? (better 11...Ba5+=) 12.a3+- Bc5 13.d4 Nc4 (13...Ned7 14.dc5 Nc5 15.Qc2+-) 14.Qc4 (14.dc5?! Nb2 15.cd6 Qd6 16.Qb2 Rfd8+-) 14...Bb6 15.Qc2 d5 16.0-0 Ne4 (16...c6 17.Nc3+-) 17.Nc3 Re8 18.g3 Rc8 (18...h6 19.Ne4 Re4 20.Bc3+-) 19.Ne4 de4 20.Bc4 c6 (20...Qg5 21.Bc3+-) 21.f3 Qe7 (21...ef3 22.Rf3 Rf8 23.Raf1+-) 22.fe4 Qe4 (22...Rf8+-) 23.Qe4 Re4 24.Rf7 Kh8 25.Raf1 h6 (25...Ree8 26.Rb7 Rb8+-) 26.Rf8 Kh7 27.Rc8 Re3 28.Rf7 Kg6 (28...Re1 29.Kf2 Re8 30.Re8 Kg6 31.Rg8 Bd4 32.Bd4 b5 33.Rgg7 Kh5 34.Rf5) 29.Rg8 (29.Rg8 Re1 30.Kf2 Re2 31.Ke2 Bd4 32.Bd4 b5 33.Rgg7 Kh5 34.Rf5) 1–0. Pierre – kris5334, internet, 2020.

10.Be2 c5 11.0-0 Rc8 (11...Re8 12.a3 Ba5 13.Qb3 Qe7 14.Qb5+=) 12.a3 Ba5 13.Qc2 (13.f4 Nc6 14.Qc2+=) 13...Re8 (13...Qe7 14.f4+=) 14.d3 (14.f4 Nc6 15.Bd3 h6+=) 14...Qe7 15.Nd2 Neg4 (15...Bd2 16.Qd2 Rcd8 17.d4 cd4 18.ed4=) 16.e4 Bc7 17.h3 Ne5 18.f4 Ng6 19.Qc3 (19.Rf2!?+=) 19...d5= 20.cd5 Nf4 21.Bg4 Be5?? (better 21...Rcd8=) 22.Qe5+- Qe5 23.Be5 (23.Be5 Ne2 24.Be2 Re5 25.Nc4+-) 1–0. Holz auf der Heide,Gerhard – Bross,Thomas, Leipzig VfB op 5th, 1998.

10.Be2 c6 11.0-0 Rc8 12.d4 Ng6 13.Qb3 Ba5 14.Nc3 (worse 14.Qb7 Rb8 15.Qc6 Rb2-/+) 14...Bc7 15.e4 (15.Rab1 Rb8+=) 15...b6 (15...Re8!?=) 16.Qc2 Re8 17.Bd3 (17.f4 Qd7+=) 17...Nf4= 18.Rad1 Nd3 (18...Qd7 19.Qd2 d5 20.cd5 Ng2 21.f4 (21.Kg2?! Qg4 22.Kh1 Qf3 23.Kg1 Qg4 24.Kh1 Qf3 25.Kg1 Qg4 26.Kh1=) 21...Nf4 22.Rf4 Bf4 23.Qf4+/-) 19.Qd3+= d5 (19...Bb8!?+=) 20.cd5+/- cd5 21.e5 Nh5 (21...Ne4 22.Ne4 de4 23.Qe4+-) 22.Qf3+- g6 (22...Qg5+-) 23.Nd5 (worse 23.Qd5 Qh4+-) 23...Bb8? (23...Kh8+-) 24.g4 Ng7 (24...Qg5 25.Kh1 Rc2 26.gh5 Re6+-) 25.Nf6 Kh8 26.Qh3 h5 (26...Nh5 27.Ne8 Nf4 28.Qf3+-) 27.gh5 (better 27.Qe3 Nf5 28.gf5 Kg7 29.fg6 fg6 30.Ne8 Qe8+-) 27...Nh5 28.Nh5 gh5 29.Qh5 Kg8 (29...Kg7 30.d5 Be5 31.Be5 f6 32.Bf4+-) 30.Kh1 (better 30.d5 Re5 31.Be5 Be5 32.Qe5+-) 30...Re6 (30...Qd5 31.f3 Rc6 32.Rg1 Kf8 33.Ba3 Bd6 34.Qh8 Ke7 35.ed6 Kd7 36.Qe8 Ke8 37.Rde1 Qe6+-) 31.d5 Rg6 32.e6! Rg7 (32...fe6 33.Qg6 Mate attack) 1-0. Benachamohcine1 (1950) - armine (2100), Rated Blitz game, lichess.org, 2015.

10.Be2 Qd7 11.0-0 (11.Qb3 c5+- 12.f4 Nc6 13.Bf6 gf6 14.a3+-) 11...Kh8 (11...Qe7 A) 12.Qb3 c5 13.d4 (13.a3+= Ba5 14.Qa4+=) 13...Nc6 14.Bf3+=; B) 12.d4 Nc6 13.Bf3 Rab8 14.Qa4+-) 12.a3 (12.Qb3 c5 13.d4 Nc6 14.a3+-) 12...Ba5 13.f4 Ng6 (13...Neg4 14.Bg4+-) 14.Nc3 (14.Bf6 gf6 15.f5 Ne7+-) 14...c6 15.Rf3 (15.Nb1 Qe7=) 15...Rae8= 16.Rg3 (16.Qc2!?=) 16...Bc3=+ 17.Bc3 Ne4 18.Qc2? (better 18.Rh3!? Nc3 19.dc3=+) 18...Ng3–+ 19.hg3 f5 20.Kf2 Kg8 21.Rh1 Qe6 22.Bd3 Rf7 23.Qd1 Nf8 24.Qb1 g6 25.Rh6 Nd7 (better 25...Ree7!?–/+) 26.g4= Nc5 27.gf5 (27.Bf5 Ne4 28.Be4 Qe4 29.Qe4 Re4=) 27...Rf5 (better 27...Nd3 28.Qd3 Rf5–/+) 28.Bf5+= Qf5 29.Qf5 gf5 30.Ke2 Ne4 (30...Re6!? 31.Re6 Ne6+=) 31.Bb2 Re7 (31...d5!? 32.cd5 cd5+-) 32.d3+- Nc5 33.Rd6 Ne6 34.Kf3 Kf7 35.g4 fg4 36.Kg4 Ke8? (better 36...Nc5+-) 37.Bf6 Kf7 (37...c5 38.Be7 Ke7 39.Rd5+-) 38.Be7 Ke7 39.Re6 Ke6 40.f5 Kf6 41.e4 c5 (41...b5 42.cb5 h5 43.Kh5 cb5 44.Kg4+-) 42.Kh5 a6 43.Kh6 (better 43.a4 Ke5 44.Kh6+-) 43...b5–+ 44.Kh7 b4 45.ab4 cb4 46.c5 b3 47.c6?? (better 47.e5 Kf5 48.c6–/+) 47...b2–+ 48.c7 (48.e5 Kf7 49.e6 Kf6–+) 48...b1Q 49.e5 Ke5 (better 49...Kf7 50.Kh6 Qc1 51.Kh5 Qc7–+) 50.c8Q= Qh1 (better 50...Qd3!? 51.Qe6 Kf4=) 51.Kg7 Qg1 52.Kf7 Qa7 53.Ke8 Qb6 54.Qd7 Kf6 55.Qf7 Ke5 56.Qd7 (56.d4!? Kd4 57.Qe6 Qb8 58.Kf7 Qb7 59.Kg6 Qg2 60.Kf6+-) ½–½. Degen,Magda – Zura,Jutta, DDR–ch (Women), 1967.

10.Be2 Ne4 11.0-0+= Ba5 12.d4 Ng6 13.Bd3 d5 14.cd5 Qd5 15.Qc2 Rfe8 16.Nc3 (16.Rc1!?+=) 16...Bc3=+ 17.Bc3 (17.Be4 Re4 18.Bc3-/+) 17...Nc3 (17...Nh4 18.Be1 Nd2 19.Bh7 Kh8-+) 18.Qc3 (better 18.Bg6 fg6 19.Qc3+=) 18...Qg5 (better 18...Nh4!? 19.e4 Qg5=) 19.Bg6 hg6 (19...Qg6 20.Qc7 Qe4 21.Rac1+/-) 20.Qc7+- b6 21.Qg3 (21.Rac1 Re7 22.Qd6 Re6+-) 21...Qg3+/- 22.hg3 (22.fg3?! Re3 23.Rac1 Ra3=) 22...Rac8 23.Rfe1 (23.Rac1 Kf8+/-) 23...Rc2 24.Kf1 Rec8 25.Re2 R2c4 (25...Rc1!? 26.Rc1 Rc1 27.Re1 Rc2+/-) 26.Rd1+- a5 27.e4 b5 28.d5 Kf8 29.f3 a4 30.d6 Rc1 31.Rc1 Rc1 32.Kf2 Rd1 (32...Ke8 33.e5+-) 33.e5 Ke8 34.Ke3 Rd5 35.f4 Kd7 36.Rd2 Rd2? (36...Rc5+-) 37.Kd2 f6 38.Kc3 g5 39.fg5 (better 39.Kd4 Kc6 40.a3+-) 39...fe5-+ 40.Kb4 Kd6 41.Kb5 Kd5 42.Ka4 Kd4 43.Kb3 Kd3 44.a4 (44.Kb2 e4 45.Kc1 Ke2-+) 44...e4 45.a5 e3 46.a6 e2 47.a7 (47.Kb4 e1Q 48.Kb5 Qe5 49.Kb6 Qb8 50.Kc6 Qa7-+) 47...e1Q 48.a8Q Qc3 (better 48...Qb1 49.Ka4 Qa2 50.Kb5 Qa8-+) 49.Ka2= Qc2 50.Ka3 Qc1 51.Kb4 Qb2 52.Kc5 Qd4 53.Kb5 Qc4 54.Kb6 Qb4 55.Kc7 Qe7 56.Kb8 Qd8 57.Ka7 Qa8 58.Ka8 Ke4 59.Kb7 Kf5 60.Kc6 Kg5 61.Kd5 Kg4 62.Ke5 g5 63.Kf6 Kg3 64.Kg5 Kg2 ½-½. cucosant2 (1660) - khaledbabiker76 (1645), Rated Blitz game, lichess.org, 2020.

10.Be2 Re8 11.0-0= Nc6 12.a3 Ba5 13.Bf3 Rb8 14.Bf6+=.

10.Be5 de5 11.Qa4 c5 12.Bb7 Rb8 13.Bd5 Nd5 14.cd5=.

7.a3 Ba5 8.Nf3=+.

7.Be2 c6 8.Nf3= b6 9.0-0 Be6 10.Qc2 Bg4 11.Nc3 Bc3 12.Qc3 Nbd7 13.Rfe1 Qc7 14.d4 Ne4 15.Qc2 Ndf6 16.Nd2 Nd2 17.Qd2 d5 18.cd5 Be2 19.Qe2 ½–½. Reussner,Hans Dieter – Gohla,Ulf, DESC, 2000.

7.Be2 Ne4 8.Nf3= Bg4 9.0-0 c6 10.d3 Bf3 11.Bf3+= Ng5 12.Be2 Bc5 13.Nd2 Nd7 14.Nf3 Nf3 15.Bf3 Qg5 16.Qb3 Bb6 17.d4 Rab8 18.a4 Bc7 19.g3 h5 20.h4 Qg6 21.e4 Nf6=+ 22.e5 de5 23.de5 Nd7 24.Rfe1 Ne5 25.Be5 Re5 26.Re5 Be5 27.Re1 Bd4–/+ 28.Kg2 Qf6 (28...Qf6 29.Qa3 c5–/+) 0–1. Brzoza,Miroslaw – Radulski, corr Poland, 1980.

7.Nf3 d5 8.cd5 Nd5 9.Be2 c5 10.0-0 Nc6 11.Qc2 Nce7 (11...Qe7!?=) 12.a3+/- Ba5 13.Qc5 Be6 14.Nd4 Rc8 (14...Bd7 15.Bf3 Rc8 16.Qa7-/+) 15.Ne6 (15.Qa7!? Bd7 16.Bb5 Bb5 17.Nb5 b6+/-) 15...Rc5+/- 16.Nd8 (16.Nc5?! Qd6 17.Ne4 Qg6=) 16...Rd8 17.Bd4 Rc7 18.Bf3 (18.Ba7?! b6 19.Bb6 Bb6=) 18...Bb6 19.Bb6 ab6 (19...Nb6 20.d4+/-) 20.a4 Ra8 21.Rd1 Rc4 22.Nc3! Nc3 23.dc3 Rc3 24.Bb7 Rb8 25.a5 (25.Rab1!? Ra3+-) 25...ba5+/- 26.Ra5 g6 27.Be4 (27.Bf3 Nc6 28.Bc6 Rc6+/-) 27...Rbc8 (27...f5 28.Ra7 Kf7 29.Bf3+/-) 28.g3 (28.g4 Nc6 29.Rad5 f6+/-) 28...Rc1 29.Rc1 Rc1 30.Kg2 Kg7 (30...f5 31.Bf3+/-) 31.Ra7 Kf6 32.f4 Rd1 33.g4 Nd5 (33...Nc8 34.Ra6 Ke7 35.Kf3+/-) 34.Ra6 (34.g5 Ke6 35.Kf3 Nc3+-) 34...Kg7 35.Bd5 Rd5 36.h4 Rd2 37.Kg3 Rd3 38.Kf3 Rb3 39.Ra5 White plans h5 39...Rb2 40.h5 Rh2 41.hg6 hg6 42.Kg3 Re2 43.Kf3 Rb2?? (43...Rh2 44.g5 Rh3 45.Ke4 f5 46.gf6 Kf6 47.Ra6 Kf7+-) 44.g5+- Rb4 45.Rc5 Ra4 46.Re5 Rb4 47.e4 Ra4 48.Kg4 White prepares f5 (48.Rd5 Ra3 49.Ke2 Ra1+-) 48...Ra1 (48...Kf8 49.Kg3+-) 49.f5 (49.Rd5 Ra3+-) 49...Rg1 50.Kf4 Rf1 51.Ke3 gf5 52.ef5 (52.Rf5 Re1 53.Kf4 Rf1 54.Ke5+=) 52...Rg1 53.f6 (53.Kf4 Rf1 54.Ke4 Rg1+=) 53...Kg6 54.Kf4 Rf1 55.Kg4 Rg1 56.Kh4 Rh1 57.Kg4 Rg1 58.Kf4 Rf1 59.Kg4 Rg1 ½-½. norba94 (2335) - Verdena08 (2355), Rated Blitz game, lichess.org, 2016.

7.Nf3 Ne4 8.Bd3 (8.a3 Ba5=) 8...Bg4 9.h3 Bf3 (9...Bf5 10.a3 Ba5 11.Be2=) 10.Qf3= Nd2? (better 10...d5=) 11.Nd2+- Nc6 (11...Nd7 12.Rd1+- (12.Qb7 Bd2 13.Kd2 Rb8-/+)) 12.Qe2 (12.Rd1 Rb8+-) 12...Qg5 13.0-0 d5 (13...Bd2 14.Qd2 a5 15.a3+-) 14.cd5 Qd5 15.Qg4 (15.Rfd1 Qg5+-) 15...Ne5? (better 15...g6 16.Ne4 Qd3 17.Nf6 Kf8 18.Nh7 Kg8 19.Nf6 Kf8+-) 16.Bh7! (16.Qb4?! Nd3 17.Qc3 Nb2 18.Qb2 c5+-) 16...Kh7 17.Qh5 (better 17.Be5 Re5 18.Qb4+-) 17...Kg8= 18.Nf3 (18.Nb3!? Qe6 19.Rfd1=) 18...Nf3=+ 19.Qf3 Qf3 20.gf3 Re6 (20...Rad8 21.Rfd1=+) 21.Kh1 (21.Rfd1 Bd6=+) 21...Rg6 (21...Rd8 22.Rfd1 Rd1 23.Rd1-/+) 22.Rg1= Rg1 23.Rg1 Bf8 24.f4 (24.Rd1 c5=+) 24...g6 (24...Rd8 25.a4=+) 25.e4 (25.f5 Bg7 26.Bg7 Kg7 27.fg6 fg6=) 25...Bg7 26.Bg7 Kg7 27.Rg5 White prepares the advance f5 (27.f5 Re8 28.fg6 fg6=) 27...Rh8 28.Kg2 Rh4 29.f3 (29.Rc5!? Rf4 30.Rc7 Re4 31.Rb7=+) 29...Rh5-/+ 30.Rg3 (better 30.a3-/+) 30...f6?? (better 30...Ra5-+) 31.f5= Rg5 32.fg6 Rg3 33.Kg3 Kg6 34.Kg4 c5 35.f4 (35.Kf4 b5=+) 35...c4 36.e5?? (better 36.Kf3 b5 37.Ke3-/+) 36...f5 (better 36...c3 37.f5 Kf7 38.e6 Ke7-+) 37.Kf3=. fishissushi – RonakArora, Rated Blitz game, lichess.org, 2019.

7.Nf3 Be6 8.Be2 Nc6 9.0-0 Qd7 (9...d5 10.cd5 Bd5 11.Nc3=) 10.Qb3 (10.Bf6 gf6 11.d4 d5+/-) 10...Ba5 (10...Ne4 11.d4 d5 12.c5=) 11.d4 (11.Bf6 gf6 12.Nc3 Ne5+/-) 11...Bg4 (11...d5 A) 12.Qb7? Reb8 (12...dc4?! 13.Ne5 Ne5 14.de5=) 13.Qa6 Rb6 (13...Rb2?! 14.Ne5 Ne5 15.de5-+) 14.cd5 Qd5-+ (worse 14...Ra6 15.de6 Qc8 16.ef7 Kf7 17.Bc4 Ke8 18.Ba6 Qa6 19.Bc3-+); B) 12.c5=) 12.h3+= (12.Qb7?? Rab8 13.Qb3 Rb3 14.ab3 Bb6-+) 12...Bf3 13.Bf3 a6 14.Nd2?? (14.Qb7 Nb4 15.a3 Rab8 16.Qb8 Rb8 17.ab4 Bb4 18.Ra6 Qf5=) 14...Bb6?? (better 14...Bd2 15.Rfd1 Ba5-+) 15.Rfc1 Re7 (15...Rab8 16.Qc2+=) 16.Rab1 (16.c5 dc5 17.dc5 Qd2 18.Bf6 gf6 19.cb6 cb6 20.Bc6 bc6 21.Qb6 Re6+-) 16...Rae8 17.Qd1 (17.c5 dc5 18.dc5 Qd2+/-) 17...Ba5 18.a3 (18.Nb3 Bb6+/-) 18...Bd2+= 19.Qd2 Ne4 20.Be4 Re4 21.Bc3 Ne7? (better 21...b6!?=) 22.Rb7+/- Ng6 (22...Qc6 23.Qb2 Qc4 24.Ba5+-) 23.Rcb1 (23.Ba5 Nh4 24.Rc7 Qd8+-) 23...h6 (23...Nh4 24.Qe2+-) 24.Rb8 (24.Ba5 Rc8+-) 24...Kh7 25.Re8 Re8 26.Rb7 Qc6 27.Qb2 (27.Rb4 Qe4 28.Qd1 d5+/-) 27...Ne7 (27...Qc4 28.d5+=) 28.c5! dc5 29.dc5 Nd5 30.Bd4 (30.Bg7 f6 31.Bf6 Nf6+/-) 30...Ne7 31.Bg7 (better 31.Qb1!? Kg8 32.Rb8+-) 31...Rg8+= 32.f3?? (better 32.Qf6 Rg7 33.Qc6 Nc6 34.Rc7+=) 32...Rg7-+ 33.Rb3 Qf3?? (better 33...Qc5 34.Rc3 Qg5 35.Qc2 Kg8-+) 34.Rc3 (better 34.Qg7! Kg7 35.gf3+-) 34...Qd1 (34...Qh3! 35.Rd3 Qf5 36.Rc3-+) 35.Kh2 Nf5 (better 35...Nd5 36.Rb3 Qe1-+) 36.Rc2?? (36.e4 Nd4 37.Qf2 Ne6-+) 36...Qh5 (36...Ne3!? 37.Rc1 Qd3 38.Rg1 Nf1 39.Rf1 Qf1 40.Qc2 f5 41.Qd2-+) 37.Rf2? (37.Qe5 Qg5 38.Re2-+) 37...Qg5 (37...Ne3 38.Qb1 f5 39.Rb2-+) 38.Kh1?? (better 38.Qc2 Qg3 39.Kh1 Qe3 40.Qf5 Kg8 41.a4+=) 38...Ng3-+ 39.Kh2 Ne4 (39...Qe3 40.Qb1 Ne4 41.Rc2-+) 40.Kh1 (40.Rf3-+) 40...Nf2 41.Qf2 Qe5 (41...Qc5 42.a4-+) 42.Qc2 (42.e4 Qe4 43.Kh2 Kg8-+) 42...Rg6 (better 42...Kg8!? 43.Qd2 Rg3 44.Qd4 Re3 45.Qe5 Re5 46.h4-+) 43.Qf2 (43.Qc4 Re6 44.Qd3 f5-+) 43…Qa1 (43...Qa1 44.Kh2 Kg8-+ (44...Qa3?! 45.Qf7 Rg7 46.Qf5 Kg8 47.Qc8 Kf7 48.Qc7 Kg6 49.Qc6 Kh7 50.Qe4 Kh8 51.Qe8 Rg8 52.Qe5 Kh7 53.Qe7 Kg6 54.Qe6 Kg7 55.Qe7 Kg6 56.Qe6 Kg7 57.Qe7 Kg6=)) 0-1. fishissushi (1905) - GCH82 (1920), Rated Bullet game, lichess.org, 2020.

8.Be2 Nc6 9.0-0 a6 (9...d5 10.Qb3=+) 10.d4 Ba5 (10...d5 11.Qb3=) 11.Nbd2 (11.d5 Bf3 12.Bf3 Ne5=) 11...Bb6 (11...d5 12.Nb3=) 12.a3 Ne4 (12...Qe7 13.h3 Bf5 14.Nh4=) 13.Ne4+= Re4 14.Bd3 (14.h3 Bh5+=) 14...Re8 15.h3 Bh5 16.g4 (16.Rb1 d5=) 16...Bg6 17.Bg6 hg6 18.Qc2 Qe7 19.Rae1 Rad8 20.d5 (20.e4 Kh7=) 20...Nb8 (20...Ne5 21.Qe2=) 21.Re2 Nd7 22.Rfe1 (22.Qc3 f6+=) 22...Nc5 (22...Ne5 23.Kg2=) 23.Nd2 (23.e4 Ba5 24.Bc3 Bc3 25.Qc3 f6+=) 23...Qh4 24.Kg2 Rd7 25.Qc3 (25.Nf3 Qh6+=) 25...f6 (25...Qh6 26.Nf3=) 26.e4 Rde7 27.Nf3 Qh7 28.Nd4 (28.Nd2 g5=) 28...Na4 (better 28...Ne4!? 29.Qd3 Ba5-/+) 29.Qc2= Nb2 (29...Nc5 30.Bc3=) 30.Qb2+= g5 31.Ne6 Qh4 32.a4 a5 33.Qd2 c6 (33...Qh6!?+=) 34.Rb1+/- Bc5 (better 34...Bd8+/-) 35.Rb7?? (better 35.Qa5 b6 36.Qa6+-) 35...Rb7-+ 36.Nc5 dc5 37.dc6 Rc7 38.Qd6 (38.Qd5 Kh8-+) 38...Rec8 39.Qc5 (39.Rb2 Qh7 40.Qe6 Kh8-+) 39...Rc6 40.Qa5 Rc4 41.Qb5 (41.Rd2 R4c5 42.Qa6 Kh7-+) 41...Qh7 (41...Rc3 42.f3 Rf3 43.Qe8 Re8 44.Kf3 Qh3 45.Kf2 Rd8 46.Rb2 Qh2 47.Ke3 Qb2 48.e5 Qc3 49.Ke2 Rd2 50.Kf1 Qc1) 42.Qd5 Kh8 43.e5 (43.Qe6 Rc3 44.Re3 Qg8-+) 43...fe5 (43...Rc3 44.f3 Rc2 45.Kf2 Qh4 46.Ke3 R2c3 47.Kd2-+) 44.Qe5 Qg6 (44...Ra4 45.Qg5 Rf8 46.Qc5-+) 45.a5 (45.Qb5 Re4-+) 45...Qc6 46.f3 Rc5 47.Qe7 (47.Qe6 Qe6 48.Re6 Ra5-+) 47...Ra5 48.Re6 Ra2 49.Kg3 Qc7 (better 49...Qb5!? 50.Rh6 gh6 51.Qf6 Kg8 52.Qe6 Kf8 53.Qh6 Ke7 54.Qg7 Kd6 55.Qf6 Kc5 56.Qf5 Kb4 57.Qb1 Kc4 58.Qa2 Kd3 59.h4 Qe5 60.Kh3-+) 50.Qc7 Rc7 51.Re8 (51.Re5 Ra3 52.Rg5 Rcc3-+) 51...Kh7 52.Re5 Kg6 53.Re6 Kf7 54.Re5 Rcc2 (better 54...Kf6!? 55.Rf5 Kg6 56.h4 gh4 57.Kh4 Rh2 58.Kg3-+) 55.Rg5 Rg2 56.Kf4 (56.Kh4 Ra6 57.Rf5 Rf6-+) 56...Ra3 (better 56...Ra4!? 57.Ke3-+) 57.Rf5 Kg8 58.Kg5 (58.h4 Ra4 59.Ke3 Rh2-+) 58...Rf2 59.f4 Rh2 (59...Rh3 60.Rd5-+) 60.h4 Ra4 (60...Rg3 61.Kh5-+) 61.h5 (61.Rc5 Rf2 62.Rc8 Kh7-+) 61...Rha2 (61...Rf2 62.Kh4-+) 62.Kg6 (62.h6 Ra7-+) 62...Ra5 (better 62...Rc2!? 63.Re5 Rf4 64.Re8 Rf8 65.Re6-+) 63.Ra5 Ra5 64.f5 Ra1 (better 64...Ra6 65.Kg5-+) 65.Kg5 Rg1 66.Kf4 Rh1 67.Kg5 Rg1 68.Kf4 Ra1 (68...Rf1!? 69.Ke5-+) 69.Kg5 Ra5 70.h6?? (70.Kg6 Ra6 71.Kg5-+) 70...gh6-+ 71.Kh6 Ra6 72.Kg5 Kg7 73.Kh5 (73.Kf4 Kh6 74.g5 Kh5-+) 73...Rf6 (better 73...Kf6 74.Kh4-+) 74.Kg5 (74.Kh4 Rh6 75.Kg5 Rh1-+) 74...Rb6 (74...Rd6 75.Kf4-+) 75.Kh5 (75.Kf4 Rb1-+) 75...Rb5 (75...Kf6 76.Kh4-+) 76.Kg5 Rb6 (better 76...Rb4 77.Kh4-+) 77.Kf4?? (77.Kh5 Kf6 78.Kh4-+) 77...Kf6 (77...Kh6 78.g5 Kh5 79.g6-+) 78.g5 Kg7 79.f6 Kg6 80.Kg4 Rb7 81.Kf4 Rf7 82.Kg4 Rh7 83.Kg3 (83.Kf4 Rh5-+) 83...Rh1 84.Kg4 Rg1 85.Kf4 Rg5 86.f7 Rf5 87.Ke4 Rf7 88.Kd5 Kg5 89.Kd6 Kg4 90.Ke5 Kg5 91.Ke6?? (91.Kd6 Rf4 92.Ke5-+) 91...Rf6 92.Ke5 Kg6 93.Ke4 Kg5 94.Ke5 Rf5 95.Ke4 Kg4 96.Ke3 (96.Kd3 Rf4 97.Kc3 Kf3 98.Kd2 Rd4 99.Kc2 Ke2 100.Kc3 Ke3 101.Kc2 Rd3 102.Kb1 Kd2 103.Kb2 Rg3 104.Kb1 Kc3 105.Ka2 Rg1 106.Ka3 Ra1) 96...Rf4 97.Ke2 Kg3 98.Ke3 Kg4 99.Kd3?? (99.Ke2 Re4 100.Kd2 Kf4 101.Kd3 Kf3 102.Kc2 Ke2 103.Kc3 Rg4 104.Kc2 Rg3 105.Kc1 Kd3 106.Kb2 Kd2 107.Kb1 Kc3 108.Ka2 Rg1 109.Ka3 Ra1) 99...Kg3 (99...Kf3 100.Kd2 Rd4 101.Kc3 Ke3 102.Kc2 Rd3 103.Kb1 Kd2 104.Kb2 Re3 105.Kb1 Kc3 106.Ka2 Re1 107.Ka3 Ra1) 100.Ke3 Kg4 101.Kd3 Rf3 (101...Kf3 102.Kd2 Rd4 103.Kc2 Ke2 104.Kc3 Ke3 105.Kc2 Rd3 106.Kc1 Rd2 107.Kb1 Kd4 108.Kc1 Kc3 109.Kb1 Rd1 110.Ka2 Rc1 111.Ka3 Ra1) 102.Ke4-+ Rf4 (102...Rf8 103.Kd4 Kf5 104.Kd5 Re8 105.Kd4 Re5 106.Kd3 Rd5 107.Kc3 Ke5 108.Kc4 Ke4 109.Kb3 Kd4 110.Kb4 Kd3 111.Kb3 Rd4 112.Kb2 Rb4 113.Ka3 Kc3 114.Ka2 Ra4 115.Kb1 Ra5 116.Kc1 Ra1) 103.Ke3?? (better 103.Kd3=) 103...Kg3 104.Kd3 (104.Kd2 Kf3 105.Kc3 Ke3 106.Kc2 Rc4 107.Kb2 Kd4 108.Kb3 Kd3 109.Kb2 Rb4 110.Ka3 Kc3 111.Ka2 Ra4 112.Kb1 Ra5 113.Kc1 Ra1) 104...Ra4 (104...Kf3 105.Kd2 Rd4 106.Kc2 Ke3 107.Kc3 Rh4 108.Kc2 Rc4 109.Kb2 Kd2 110.Kb3 Kd3 111.Kb2 Rb4 112.Ka3 Kc3 113.Ka2 Ra4 114.Kb1 Ra5 115.Kc1 Ra1) 105.Ke3-+ Rb4 106.Kd3 Rf4 (106...Kf4 107.Kc3 Re4 108.Kd3 Kf3 109.Kd2 Re3 110.Kc1 Re2 111.Kd1 Ke3 112.Kc1 Kd3 113.Kd1 Re6 114.Kc1 Rb6 115.Kd1 Rb1) 107.Ke3= ½-½. Realaje - Aspegic500, Rated Bullet game, lichess.org, 2014.

8.Be2= Nbd7 9.0-0 c6 10.h3 Bh5 11.a3 Ba5 12.Nc3 Nc5 13.d3 d5 14.cd5 Nd5 15.Nd5 Qd5 16.Qc2 Bb6 17.Rfd1 Rad8 18.Rab1 Bg6 19.Bd4 h6 20.Bc5+/– Bc5 21.e4 Qd6 22.Rb7 Bb6 23.Nh4 Bh7 24.Qc4+/– Qf6 25.Nf3 Bg6 26.Rb1 c5 27.Nd2 Qc6 28.Qa6 c4 29.R1b6 ab6 30.Rb6 Qa8 31.Nc4 f6 32.Qb5 Rb8 33.a4 Kh7 34.a5 Red8 35.Qb4 Bf7 36.Nd6 Be8 37.d4 Bg6 38.f3 Qa7 39.Qc5 Qd7 40.Bb5 Qa7 41.Rb8 Qb8 42.e5 fe5 43.de5 Bh5 44.a6 (44.a6 Qa8 45.a7 Bf3 46.gf3 Qf3 47.Qc2 Kg8 48.Qd3 Qd3 49.Bd3+-) 1–0. mtr – wallstreet, internet, 2009.

7.a3 Ba5 8.Bc3 Bc3 9.Nc3 c6 10.Be2 d5 11.Nf3 h6 12.Qb3 Qb6 13.Qb6 ab6 14.cd5 1–0. PeterRs – RWO, ChessWorld.net, 2012.

7.Qb3 Ba5 8.Qb7 (8.Nf3 Nbd7+=) 8...Nbd7–/+ 9.Qb5 Bb1?? (better is 9...c5 10.Bc3 Bc7–/+) 10.Rb1+= Bb6 (10...c6!? 11.Qa4 Rb8+/–) 11.Nf3+- a6 12.Qc6 (12.Qf5 g6 13.Qc2 Rb8+-) 12...Qe7 13.Be2 Rfe8 14.0-0 Ng4 (14...Rab8 15.Bd3+-) 15.h3 Nge5 16.Qa4 Nc5 17.Qc2 Nf3 (17...Rab8 18.a3+-) 18.Bf3 Rad8 19.Rfd1 (19.Bc6 Rf8+-) 19...Nd7 (19...Qe6 20.Bc6 Re7 21.d4+-) 20.a4 (20.Bc6 Qg5+-) 20...Ne5 (20...Rb8 21.Bc6+-) 21.Be2 Qe6 (21...Nc6 22.Qc3 Qe5 23.Bf3 Qc3 24.Bc3+- (24.dc3?! Na5+/–)) 22.d4 Ng6 23.Qc3 (23.c5 Ba5+-) 23...Nf4 (23...Ne7 24.Bd3+-) 24.Bf1 Nh5 25.a5 Ba7 26.c5 dc5 27.dc5 Rd1 (27...Qg6 28.Bd3 Qe6 29.Be2+-) 28.Rd1 Qg6 (28...Qc6+-) 29.Qe5! Rc8 (29...Re5 30.Rd8 Mate attack) 30.Qc7! (30.Qc7 Rf8 31.Qe7+-) 1–0. Feofanov,Alexander – Tipikin,Ivan, Final Omsk, 2010.

7.Qb3 Nc6 8.a3 Bc5 9.Nf3 +=.

7.c4 Ne4 8.Be2 Nc6 9.0-0 Qe7 10.d3 Nf6 11.a3 Ba5 12.Nbd2 (12.Qb3 Bg4=) 12...Rfe8 (12...Bb6 13.Nb3=) 13.e4 (13.Nb3 Bb6=) 13...Bg4 14.Nb3 (14.Nd4 Nd4 15.Bg4 Ng4 16.Qg4 f5=) 14...Bb6 15.Nfd4 (15.Nfd2 Bd7=) 15...Be2 (15...Nd4 16.Nd4 Qe5 17.Bg4 Bd4 18.Bd4 Qd4 19.Bf5=) 16.Qe2 g6 (16...Nd4!? 17.Nd4 Qe5+=) 17.Nc6+- bc6 18.Qf3 (18.a4 a5+-) 18...Nd7 19.Qh3 (19.Rab1 Rab8+-) 19...a5 (19...Rab8 20.Nd4 Bd4 21.Bd4+=) 20.Qh6 (20.Nd4 Bd4 21.Bd4 Rab8+-) 20...f6 (20...Ne5 21.Rab1+=) 21.Kh1 (21.Nd4 Ne5 22.Qd2 d5+=) 21...Ne5 (21...Rab8 22.Nd4 Bd4 23.Bd4+=) 22.Rad1 (22.Qh3 a4 23.Nd4 Bd4 24.Bd4 c5+=) 22...Ng4 (22...Rab8 23.Qc1=) 23.Qh4 (23.Qf4 Qe6+=) 23...f5 24.Qg3 Nf2 (24...a4!? 25.Nd2 Rab8+=) 25.Rf2+- Bf2 26.Qf2 fe4 27.Qd4 (better 27.Re1=) 27...Reb8?? (better 27...Qe5 28.Qe5 de5=) 28.Qh8+- Kf7 29.Qh7 Ke8 30.Qg6 Kd7 (30...Qf7 31.Qe4 Kd8 32.Qc6 Qd7+-) 31.Qf5 (31.Bf6 Qe6 32.Nd4+-) 31...Qe6 32.Qe6 (32.Qh7!? Kc8 33.Qh8 Kb7+-) 32...Ke6 33.Nd4 Kd7 34.Ba1 (better 34.Bc1!? Re8 35.h4+-) 34...ed3+= 35.g3 (35.h4 c5 36.Nf3 Rb3+=) 35...Re8 (35...a4 36.h4+=) 36.Kg2 (36.Bc3 Re3 37.Nf5 Rf3+-) 36...c5 37.Nf3 (37.Nf5!?+-) 37...Re2= 38.Kf1 Rf8 (38...Rc2 39.Bg7 Rg8 40.Bh6=) 39.Rd3+= Rh2 (39...Rh2 40.Bg7 Rf5+-). Sie – Cpu, AI Factory's Chess, 2016.

7.Be2 Nc6 8.Nf3 d5 9.a3 Bc5 10.d4= Be7 11.cd5 Qd5 12.0-0 a6 13.Nc3 Qd7 14.Bd3 Bg4 15.Be2 Nd5 16.h3 Bh5 17.Qc2 Bg6+= 18.Bd3 Bd3= 19.Qd3 Nc3 20.Qc3 Qd5 21.e4 Qe4=+ 22.d5 Bf6 23.Qc1 Bb2–/+ 24.Qb2 Qd5 25.Qb7 Qd6 26.Rfd1 Rfb8?? 27.Rd6+- Rb7 28.Rc6 Rb2 29.Rac1 (29.Rac1 h6 30.Rc7+-; 29.Rc7 Rab8+-) 1–0. Fugly – goulot, Caissa.com, 2004.

7.Nf3 Bb1 8.Qb1 Nc6 9.Be2 (better 9.a3 Ba5 10.Bd3+=) 9...Ne5?? (9...Re8 10.a3 Ba5 11.0-0+=) 10.a3?? (better 10.Be5 de5 11.Qb4+-) 10...Nf3 (10...Ba5!?+=) 11.Bf3+- Ba5 12.Bb7 (12.Qf5 c6+-) 12...Rb8 13.Bc6 (13.Bf3 Nd7 14.Qc2 Ne5+-) 13...Rb6 (13...d5 14.Qa2 Ne4 15.Rd1+= (worse 15.cd5 Bd2 16.Kf1 Qh4=+; worse 15.Bd5 c6 16.Be5 cd5 17.Bb8 Qb8–/+)) 14.Bf3 Qb8 (14...Nd7 15.Qc2+-) 15.Ra2 Rb3 (15...Nd7!? 16.0-0 Ne5+-) 16.Qc2 Re8 (16...Nd7 17.Be4 f5 18.Bd5 Kh8 19.0-0+-) 17.0-0 (better 17.Bd1 Rb6 18.Bf6 gf6 19.0-0+-) 17...Qb6? (17...Re6+-) 18.Bf6 (18.Bd1 Rb2 19.Rb2 Qc5+-) 18...gf6 19.Qf5 (19.Be4 Kg7+-) 19...Re5 20.Qc8 (20.Qf6 c5+-) 20...Kg7 21.d4 Rg5 (21...Rb1 22.Ra1 (22.de5 Rf1 23.Kf1 Qb1 24.Ke2 Qa2 25.Kd3 f5 26.Qf5 Qb3 27.Kd4 Bc3 28.Kd3 Bb4 29.Ke2 Qb2 30.Qc2 Qc2 31.Kf1 Qc4 32.Be2 Qc1 33.Bd1 Qd1) 22...Ra1 23.Ra1+- (23.de5 Rf1 24.Kf1 Qb1 25.Ke2 Qc2 26.Kf1 Qc4 27.Kg1 Qc1 28.Bd1 Qd1)) 22.Bd5 (22.Be4 f5 23.Bf5 Qb7 24.Qb7 Rb7+-) 22...Rb1 (22...c5 23.h4 Rg6 24.Qd7+-) 23.Ra1 Rf1 24.Rf1 Rd5 (24...c5+-) 25.cd5 Bd2 (25...Qb3 26.Qg4 Kf8 27.Qf5+-) 26.Qg4 Kf8 27.Qh4 (better 27.Qf5 Qa5 28.Rb1+-) 27...Ke7 (27...Kg7 28.Rd1 Qa5 29.Qg4 Kf8 30.Rb1 Qd5 31.Qc8 Kg7 32.Rb8+- (worse 32.Qc7 Qa2 33.Qb7 Qa3+-)) 28.Qh7 (28.Qe4 Kf8 29.Rb1 Bb4 30.Rb4 Qa5 31.Rb8 Kg7 32.Qg4 Kh6+-) 28...Qb3 29.Qe4 Kf8 (29...Kd7 30.Qg4 Ke7 31.Qd1+-) 30.Qg4 (30.Rb1 Qb6+-) 30...Be3 (30...Ba5 31.Qf3+-) 31.fe3 Qe3 32.Kh1 Qd3 33.Qf4 f5 (33...Qg6 34.h4 a5 35.Rc1+-) 34.Qf5 (34.Qf5 Qf5 35.Rf5+-) 1–0. GuestQHZH – GuestCMJT, freechess.org, 2016.

7.Nf3 c6 8.Be2 d5 9.0-0 dc4 10.Bc4 Nbd7 11.d4 Ba5 (11...Nb6 12.Bd3 Bd3 13.Qd3=) 12.Bc3 (12.Ba3 b5 13.Bf8 bc4+=) 12...Bc3 13.Nc3 Nb6 14.Bb3 Qd7 15.Ne5 Qd6 16.Qe2 (16.a4 Be6+=) 16...Nbd7= 17.Nf3 Be6 18.Be6 Qe6 19.Rfc1 Nd5 (19...Rfe8 20.Rab1 Rab8 21.Qc2+=) 20.Qd3 Nc3 21.Rc3 Nf6 22.Rc5 Qe4 23.Qe4 Ne4 24.Rb1?? (better 24.Rc2=) 24...Nc5-+ 25.dc5 Rab8 26.Ne5 (better 26.Nd4-+) 26...f6?? (better 26...Rfd8-+) 27.Nd7= Rfd8 28.Nb8 Rb8 29.Kf1 b6 30.Ke2 b5 31.a4 (31.Rd1 b4=) 31...a5 Black intends b4 32.ab5 cb5 33.c6 b4 34.c7 (34.Ra1 Rc8=) 34...Rc8=+ 35.Rc1 Rc7?? (better 35...Kf7=) 36.Rc7+- b3 37.Kd2 a4 38.Kc3 h6 39.Ra7 a3 40.Ra3 Kh7 41.Kb3 Kg6 42.Kc3 h5 43.Ra4 (43.Kd4 Kf7+-) 43...f5 (43...Kh6 44.Kd4+-) 44.Kd3 (44.Kd4 f4+-) 44...Kg5 (44...Kh6 45.h4+-) 45.Ke2 (45.h4 Kf6+-) 45...g6 (45...h4 46.Ra8+-) 46.Kf3 (better 46.h4!? Kh6+-) 46...h4 47.h3 Kh5 (47...Kf6 48.Ra6 Kg5 49.Rd6+-) 48.g3 (48.Kf4 g5 49.Kf5 Kh6 50.Ra7 g4 51.hg4 h3 52.g5 Kh5 53.Rh7) 48...g5 (48...hg3 49.fg3 Kg5 50.h4 Kf6 51.Kf4+-) 49.gh4 (49.Ra6 g4 50.Kf4 hg3 51.fg3 gh3 52.e4 h2 53.ef5 h1Q 54.g4 Kh4 55.Rh6) 49...gh4+- 50.Kf4 Kg6 51.f3 Kf6 52.e4 fe4 53.fe4 Ke6 54.Kg4 (54.e5 Kd7 55.Rd4 Kc8 56.e6 Kc7 57.e7 Kb7 58.e8Q Kb6 59.Rc4 Ka5 60.Qa4 Kb6 61.Qb3 Ka5 62.Ra4) 54...Ke5 55.Kh4 Kf4 56.Kh5 Ke5 57.Kh6 Kf4 58.Kg7 Ke5 59.h4 Kf4 60.h5 Ke5 61.h6 Kf4 62.h7 Ke5 (62...Kf3 63.h8Q Kf2 64.Qh3 Kg1 65.Ra1 Kf2 66.Ra2 Ke1 67.Qh1) 63.h8Q Kf4 64.e5! Ke3 (64...Ke5 65.Qd8 Mate attack) 65.Qh3 Kd2 66.Ra2 Kc1 (66...Ke1 67.Qh1) 67.Qh1 (67.Qf1) 1-0. fishissushi (1925) - Pato16 (1895), Rated Bullet game, lichess.org, 2020.

7.Nf3 Nc6 (--> 6.Bb2 Nc6 7.Nf3 Bf5).

7.Nf3 h5 8.Be2 c5 9.0-0 g6 10.Qb3 Nbd7 11.a3 Ba5 12.Nc3 (12.Qb7?? Rb8 13.Bf6 Qf6-+ (13...Rb7?! 14.Bd8 Rd8 15.Nc3=; 13...Nf6?! 14.Qc6-/+)) 12...Ng4 13.h3 (13.Qb7? Rb8 14.Qa7 Rb2-+) 13...Nge5 14.Ne5 (14.Qb7?? Rb8 15.Qa6 Rb2 16.Qd6 Qb8 17.Qb8 Rfb8-+ (17...Nb8?! 18.Na4 Nf3 19.Bf3-+)) 14...de5 15.Nd5 (15.Qb7?? Rb8 16.Qf3 Rb2-+) 15...Bd2 16.Rad1 (16.Qb7 Rb8 17.Qd7 Bd7 (worse 17...Qd7 18.Nf6 Kg7 19.Nd7 Rb2 20.Nf8 Kf8 21.Rfd1=) 18.Be5 Bh3 19.Nf6 Kg7 20.gh3 Rb6 21.Nd5 Kg8 22.Nb6 Qg5 23.Bg3 ab6-+) 16...Ba5 17.f4 (worse 17.Qb7 Rb8 18.Qd7 Bd7 (worse 18...Qd7 19.Nf6 Kg7 20.Nd7 Rb2 21.Nf8+=) 19.Be5 Rb6-/+) 17...ef4? (better 17...f6+=) 18.Nf6!+- (18.ef4?! Qh4 19.Bd3 Be6+/-) 18...Nf6 19.Rd8 Bd8 20.Bf6?? (better 20.Rf4 Nh7 21.h4+- (21.Qb7?! Bg5 22.Rf5 Rab8+-)) 20...Bf6+= 21.ef4 Rae8 22.Bf3 b6 23.Bd5 Bd4 24.Kh1 Re7 25.a4 Rfe8 26.a5?? (better 26.Qb5-/+) 26...Re1-+ 27.Re1?? (27.Qf3 ba5 28.Kh2-+) 27...Re1 28.Kh2 Bg1 (28...ba5?! 29.Qb7 Be6 30.Be6 Re6 31.Qa7=) 29.Kg3 Re3 30.Qe3 Be3 31.ab6 ab6 32.Kf3 Bc1 33.g4 (33.Be4 Be6 34.Bd3 h4-+) 33...hg4 34.hg4 Bd3 35.f5 (35.Kg3 Bd2-+) 35...gf5 36.gf5 Bf5 37.Ke2 Ba3 38.Ke3 Bd7 39.Ke4 (39.Kd3 Bb2-+) 39...b5 40.cb5 Bb5 41.Ke5 (41.Ke3 Bc1 42.Ke4 c4-+) 41...c4 42.Kf6 (42.Be4 Bb2 43.Kd5 c3-+) 42...c3 43.Bf7 Kf8 44.Bb3 Ke8 45.Ke5 Bb2 46.Ke4 Kd7 47.Ke3 Kc6 48.Bc2 Kc5 49.Kf2 Kb4 50.Ke1 Ba4 51.Kd1 (51.Be4-+) 51...Bc2 52.Kc2 Kc4 53.Kb1 (53.Kd1 Kd3 54.Ke1 c2 55.Kf1 c1Q 56.Kg2 Qg5 57.Kf3 Be5 58.Kf2 Bh2 59.Kf3 Qg3) 53...Kd3 54.Ka2 Kd2 55.Kb1 (55.Kb3 c2 56.Kc4 c1Q 57.Kd5 Qc8 58.Kd6 Qc4 59.Kd7 Qd5 60.Ke7 Bg7 61.Ke8 Bf6 62.Kf8 Qd7 63.Kg8 Qg7) 55...c2 56.Ka2 (56.Kb2 c1Q 57.Kb3 Qc5 58.Ka4 Qb6 59.Ka3 Kc3 60.Ka4 Qb4) 56...Ba3! 57.Kb3 (57.Ka3 c1Q Combination) 57...Bf8 (57...c1Q 58.Ka4 Qc5 59.Kb3 Qb4 60.Ka2 Qb2) 58.Ka2 (58.Kc4 c1Q 59.Kd5 Ke3 60.Ke6 Qc6 61.Kf7 Qd6 62.Kg8 Qf6 63.Kh7 Qg7) 58...c1Q 59.Kb3 Qc3 (59...Qc2) 60.Ka2 Qa3 (60...Qc2 61.Ka1 Bg7) 61.Kb1 Qb3 62.Ka1 Bg7 0-1. carlos78 (2305) - sprasad (2335), Rated Blitz game, lichess.org, 2015.

7.Nf3 h6 8.Be2 Nbd7 9.Nd4 Bb1 (9...Bg6!?=) 10.Rb1+= c5 (10...c6 11.0-0+=) 11.Nb3 Re8 12.0-0 Ne4 13.Bd3 Ndf6 (better 13...Re7!?+/-) 14.a3+- Ba5 15.f3 (15.Na5?! Qa5 16.Be4 Ne4+=) 15...Ng5 16.Bf6 gf6 17.f4 Ne4 (17...Ne6+-) 18.Qg4 (worse 18.Na5 Qa5 19.Qg4 Kf8 20.Rb7 Rab8 21.Be4 Rb7 22.Bb7 Qd2+-) 18...Kh8 19.Qh5 Kg7 20.Na5 Nd2 (20...Rb8 21.Rb7 Rb7 22.Nb7+-) 21.Rb7 (21.Rb7 Re7 22.Nc6 Rb7 23.Nd8 Rd8 24.Rd1+-) 1-0. marekt (1820) - michael60 (1680), gameknot.com, 2013.

9.Qe4 Nc6=.

10.d3 d5 11.a3 Ba5 12.Nbd2 =.

11.d3 Qc7 12.Nbd2 Bd2 13.Qd2 Ne5 14.Ne5 de5 15.f4 e4 16.Bf6 gf6 17.g4 Bd7 18.de4 Rae8 19.Qd3 Qc8 20.f5 Re5 21.Qd6 Re4 22.Qf6 Rfe8 23.Bf3 Rc4 24.Rad1 Ra4 25.Rfe1 Ra3 26.Bd5 Rf8 27.e4 b5 28.Qh6 c4 29.f6 Rg3 30.hg3 Qc5 31.Kg2 Qd5 32.Qg7# 1–0. GNUChess – GNUChess, 2003.

11.d3 Re8 12.Nbd2 a6 13.Nb3 b5 14.Nh4 Be6 15.f4 Nf8 16.Na5 Qa5 17.f5 Bc8 18.Bf6 gf6 19.Rf3 Nd7 20.d4 Kh8 21.dc5 dc5 22.Qd5 Qc3 23.Rb1 bc4 24.Qa8 Ne5 25.Rg3 Qc2 26.Re1 Qc3 27.Rd1 Qa3 28.Qd5 h6 29.Qd6 Nd7 30.Qf4 Kh7 31.Qg4 Qe3 32.Re3 Re3 33.Bc4 Ne5 34.Qh5 Kg7 35.Nf3 Nc4 36.Qg4 Kf8 37.Qc4 Re8 38.Rd6 Kg7 39.Qc3 h5 40.Qf6 Kf8 41.Ne5 Be6 42.Ng6 Kg8 43.Qh8# 1–0. GNUChess – GNUChess, 2003.

11.d3 Bg4 12.Nbd2 Rb8 13.h3 Bf3 14.Bf3 Bd2 15.Qd2 Ne5 16.Be2 Ned7 17.Rab1 d5 18.cd5 Nd5 19.e4 Ne7 20.d4 Nf6 21.e5 Ne8 22.Rfd1 cd4 23.Qd4 Qd4 24.Rd4 Rc8 25.Bd3 Rc5 26.f4 Rd5 27.Rc1 Rd4 28.Bd4 Nd5 29.g3 Nec7 30.f5 Rd8 31.Kf2 a5 32.Be2 b5 33.Rc5 b4 34.Ra5 b3 35.Rc5 Ne8 36.Rb5 Ne7 37.Bc3 Nf5 38.Rb3 Ne7 39.Rb7 Nd5 40.Bd2 Rc8 41.Bd3 Nec7 42.a4 Ne6 43.Bf5 g6 44.Be6 fe6 45.a5 Rc2 46.Ke2 Ra2 47.h4 Ra3 48.g4 Ra4 49.g5 Rh4 50.a6 Rh2 51.Kd3 Rh3 52.Kd4 Rh2 53.Be1 Ra2 54.a7 Nb6 55.Rb6 Ra4 56.Bb4 Ra7 57.Re6 Rd7 58.Ke4 Rb7 59.Bc5 Rb2 60.Re8 Kf7 61.Re7 Kg8 62.e6 Rb8 63.Bd4 Kf8 64.Rf7 Kg8 65.Rg7 Kf8 66.Bf6 Rb7 67.Rb7 h5 68.Rb8 1–0. GNUChess – GNUChess, 2003.

11.d3 h6 12.Nbd2 Rb8 13.Nb3 b5 14.cb5 Rb5 15.d4 Rb8 16.dc5 dc5 17.Bf6 Nf6 18.Qd8 Bd8 19.Nc5 Be7 20.Nd4 Bh7 21.Nd3 Bd6 22.Rfd1 Rfc8 23.Bf3 Ne4 24.Be4 Be4 25.f3 Bg6 26.e4 Rc4 27.Ne2 Rc2 28.Nef4 Bh7 29.Nb4 Bc5 30.Kh1 Rc4 31.Na6 Rc8 32.Nc5 R4c5 33.Nd5 Re8 34.Rab1 f5 35.Rb7 fe4 36.Ra7 ef3 37.gf3 Kh8 38.Rd7 Bc2 39.Rd2 Bf5 40.Rd6 Ra5 41.Ra2 Re1 42.Kg2 Be6 43.Rd2 Bd5 44.R6d5 Ra3 45.Rd8 Kh7 46.R8d7 Ree3 47.f4 Re4 48.Rf2 Rc3 49.f5 Rg4 50.Kf1 Rc1 51.Ke2 Rc2 52.Kf3 Rcc4 53.Ke3 Rce4 54.Kd3 Ref4 55.Rf4 Rf4 56.Rf7 Kg8 57.Ke3 Rf1 58.Rd7 Rf5 59.Rd6 Kh7 60.Rd7 Rh5 61.Rd2 Re5 62.Kf3 g5 63.Rd4 h5 64.Rd7 Kg6 65.h3 Rc5 66.Ke4 g4 67.hg4 hg4 68.Kf4 Rc4 69.Kg3 Re4 70.Kh4 Ra4 71.Rd5 Kf6 72.Rd8 Kf7 73.Rd5 Re4 74.Rg5 Kf6 75.Rg4 Re3 76.Ra4 Kf5. GNUChess – GNUChess, 2003.

11.d4 cd4 12.Bd4 Nc5 13.Nc3 Kh8 14.Nd5 Nfe4 15.Bb2 f6 16.Nd4 Bd7 17.f3 Ba4 18.Nc2 Nd2 19.Rf2 Rc8 20.e4 Ne6 21.Nde3 Nf4 22.Kh1 Ne2 23.Qe2 Bc2 24.Nc2 Nc4 25.Nd4 Re8 26.Rd1 d5 27.Nb3 Nb2 28.Qb2 Bc3 29.Qb1 Qd6 30.Rd5 Qa3 31.Ra2 Qe7 32.Nd4 Qb4 33.Nb3 a5 34.Qd1 Qc4 35.Rd7 a4 36.Nc1 Be5 37.Ra4 Qc1 38.Raa7 Qh6 39.f4 Bf4 40.g3 Bg3 41.Rd2 Rcd8 42.Qg4 Rd2 43.Qg3 f5 44.h4 fe4 45.Qg5 Qg5 46.Rg7 Rd1 47.Kh2 Qh4 48.Kg2 Qh1 49.Kg3 Qf3 50.Kh4 Rh1 51.Kg5 Re5# 0–1. GNUChess – GNUChess, 2003.

11.d4 cd4 12.Bd4 Rc8 13.Qc1 Re8 14.Rd1 d5 15.Nbd2 dc4 16.Rf1 Bd3 17.Bd3 cd3 18.Qd1 a6 19.Qb3 Nc5 20.Qd1 Bd2 21.Nd2 Ne6 22.Bf6 Qf6 23.Rb1 Nc5 24.Qg4 b5 25.Rfc1 Ne6 26.Rc8 Rc8 27.Rd1 Qc3 28.Qb4 a5 29.Qb5 Qd2 30.Qe8 Nf8 31.Qa4 Rc1 32.g3 Qd1 33.Qd1 Rd1 34.Kg2 d2 35.h4 Ra1 36.Kf3 d1Q 37.Kf4 Ne6 38.Ke5 Ra3 39.h5 Qh5 40.Ke4 Qe2 41.Ke5 Qb5 42.Ke4 f5 43.Kf3 Qb7 44.Ke2 Ra2 45.Kd3 Qb3# 0–1. GNUChess – GNUChess, 2003.

11.d4 d5 12.cd5 Nd5 13.Bc4 N5f6 14.Nbd2 Rb8 15.Qe2 Bd2 16.Nd2 Re8 17.Nf3 cd4 18.Nd4 Be4 19.Rad1 Qc7 20.Nb5 Qc5 21.Nd6 Re7 22.Ne4 Re4 23.Bf7 Kf7 24.Rd7 Nd7 25.Qf3 Nf6 26.Bf6 gf6 27.Qe4 Kg7 28.Rd1 Kh8 29.Qa4 a5 30.Qd4 Qe5 31.f4 Qe6 32.e4 b5 33.Rc1 Qe7 34.g4 Rd8 35.Qb6 Rf8 36.Qc5 Re8 37.Qb5 Qe4 38.Qc6 Qe3 39.Kg2 Qd2 40.Kh1 Re1 41.Re1 Qe1 42.Kg2 Qe2 43.Kg3 Qe1 44.Kh3 Qe3 45.Kh4 Qf2 46.Kh3 Qe3 47.Kh4 Qf2 48.Kh3 Qf1 49.Qg2 Qf4 50.Qa8 Kg7 51.Qc6 Qe3 52.Kh4 Qa3 53.Qd7 Kh6 54.Qd8 Kg7 55.Qd7 Kh6 56.Qd8 Kg7 57.Qc7 Kg6 58.Qc2 Kh6 59.Qd2 Kg7 60.Qd7 ½–½. GNUChess – GNUChess, 2003.

11.a3 Ba5 +=.

11.Nbd2 d5 12.a3 Bd2 13.Qd2 dc4 14.dc4 =.

12.Qd2 Re8 13.Rfe1 =.

13.a4 Rab8 =.

13.Ne1 Rfe8 14.Rb1 Rab8 =.

13.Ne1 Rfe8 14.Bd1 Rab8 15.e4 Be6 16.Ba4 =.

13.Ne1 Rfe8 14.Bd1 Be6 15.f4 Bg4 16.Bg4 Ng4 17.e4 =.

8.Qb3 a5 –/+.

8.Nc3 Re8 9.d4 Ne4 10.Qb3 c5 11.a3 Ba5 12.Rc1 cd4 13.Nd4 Qh4 14.g3 Ng3 15.hg3 Qd4 16.Qb5 Qc5 17.Qc5 dc5 18.Be2 Ne5 19.Rd1 Rad8 20.Rh5 g6 21.Rh4 Rd1 22.Kd1 Nd3 23.Bd3 Bd3 24.Nd5 Bd8 25.Nf6 Bf6 26.Bf6 Re4 27.Re4= Be4 28.Ke2 Kf8 29.f3 Bc6 30.e4 Ke8 31.Ke3 Kd7 32.Be5 Ba4 33.f4 Kc6 34.Kd3 a6 35.Kc3 b5 36.cb5 ab5 37.Bg7 Bd1 38.Kd3 b4 39.ab4 cb4 40.Kc4 b3 41.Be5 Bc2 42.Bc3 Kd6 43.Kd4 Ke6 44.Bb2 f6 45.Ke3 Kf7 46.Kd4 ½–½. Roldan,Antonio Jose – Foster,Mark, M–2024.1, 1998.

8.Be2 Bc5 9.0-0 Bb6 10.d4 c6 11.Nc3 d5 (11...Re8 12.d5=) 12.cd5 Nd5 13.Qd2 (13.Nd5 cd5 14.Qb3 Nf6+=) 13...N7f6 14.Ba3 (14.Bd3 Bd3 15.Qd3 Re8=) 14...Re8 (better 14...Ba5 15.Nd5 Bd2 (worse 15...Nd5 16.Qb2+/-; 15...Qd5?! 16.Qb2 Rfb8 17.Rac1+=; worse 15...cd5 16.Qb2+/-) 16.Ne7 Kh8 17.Nf5 Bc3 18.Bf8 Qf8=+) 15.Rab1?? (better 15.Nd5 Nd5 16.Rfc1=) 15...Ba5-+ 16.Rbc1? (better 16.Rb7 Bc3 17.Qc1-+) 16...Ne4 (16...Nc3 17.Qb2 Ne2 18.Qe2-+) 17.Qb2 Nec3 (17...Bc3?! 18.Qb7 Rc8 19.Rfd1-+) 18.Bc5 (18.Bc4 Rb8-+) 18...Ne2 19.Qe2 Bb6 (19...Qf6!? 20.Ne5-+) 20.Bb6 ab6 21.Nd2 (21.Ne5 f6 22.Nf3 Qd6-+) 21...Bg6 (21...Ra2 22.Ra1 Nc3 23.Qc4-+) 22.Qf3 (22.Ra1 Nb4 23.Qc4 Nc2-+) 22...Qf6 (22...Ra2 23.Nc4-+) 23.Qe2 (23.Qf6 Nf6 24.Ra1 Ra6-+) 23...Qd4! 24.ed4 (24.Nf3 Qe4 25.Qd2 Red8-+) 24...Re2 25.Nf3 (25.Nb3 Rea2 26.Ra1 Ra1 27.Ra1 Ra1 28.Na1 Nf4-+) 25...Rea2 26.Ne5 (26.Rfe1 Nf4 27.Rcd1 Ne2 28.Kh1 Be4-+) 26...Nf4 27.g3 (27.Rce1 Ne2 28.Kh1 Nd4 29.Ng6 fg6-+) 27...Ne2 28.Kh1 Nc1 29.Rc1 Ra1 (better 29...Rf2!? 30.Kg1 Raa2 31.Ra1-+) 30.Ra1 Ra1 31.Kg2 Rd1 32.Kf3 Rd4 33.Ng4 (33.Ng6 hg6 34.Ke3 c5-+) 33...Bh5 34.h3 Bg4 (better 34...f5 35.Ke2-+) 35.hg4 b5 36.Ke3 c5 37.Ke2 b4 38.Ke3 b3 39.Kf3 b2 40.Kg2 (40.Ke3 b1Q 41.f4 Qe4 42.Kf2 Rd2 43.Kf1 Qb1) 40...b1Q 41.f3 (41.g5 Qe4 42.f3 Qe2 43.Kh3 Qf1 44.Kh2 Rd2) 41...Qc2 (41...Rd2 42.Kh3 Qh1) 42.Kh3 g5 43.f4 gf4 (43...Rd1 44.fg5 Rh1) 44.g5 (44.Kh4 f3 45.Kh3 Qd2 46.g5 Qg2) 44...Qd3 (44...f3 45.g4 Qg2 46.Kh4 Qg4) 45.Kh4 (45.Kg2 Qg3 46.Kf1 f3 47.g6 Rd1) 45...Qg3 46.Kh5 Qh3 0-1. fishissushi (1900) - Gennady_Rovensky (1945), Rated Bullet game, lichess.org, 2020.

8.Be2 Nc5 9.0-0 =.

8.Be2 d5 9.0-0 Bc5 (9...dc4 10.Na3=+) 10.Ne5 (10.d4 Be7=) 10...Ne5=+ 11.Be5 Be6 (11...d4 12.Qb3=+) 12.cd5 Qd5 (better 12...Nd5!? 13.d4 Bd6=) 13.Bf6+/- gf6 14.Nc3 (14.Bf3 Qd3+/-) 14...Qc6 (14...Qd7 15.Rb1+/-) 15.Bf3 Qd7 (15...Qa6 16.Nd5 Bd6 17.Nf6 Kg7 18.Nh5 Kh6 19.Qc2+/-) 16.Rb1 (16.Bb7 Rab8 17.Qf3+-) 16...Kh8? (better 16...c6!?+/-) 17.Rb7 Rg8 (better 17...Bc4 18.Re1 Bb6+-) 18.Nb5 (18.Rb5 Be7 19.Ba8 Ra8+-) 18...Rg6? (better 18...Bc4 19.Rc7 Qb5 20.Ba8 Bf1 21.Qf1 Qa5 22.Rc5 Qc5+/-) 19.Nc7 (19.Rc7 Qb5 20.Ba8 Qa5+-) 19...Rag8 20.g3 Bh3 21.Re1 Bb6 22.Qc2 (22.Na8 Qd6 23.Nb6 ab6+-) 22...f5? (better 22...Bf5 23.Qc3 Rc8+-) 23.Qc3 R8g7 (23...R6g7 24.Na8! Qd8 25.Nb6 ab6+-) 24.Rb8 (24.Rb8 Qd8 25.Rd8) 1-0. zomboeb (1625) - Tenchik837 (1635), lichess.org, 2021.

8.Be2 Ne4 9.0-0 c6 10.d4 d5 (10...Re8 11.Qb3 Qb6 12.Nh4=) 11.Qb3+= c5 (11...Qa5 12.c5 Bg4 13.a3+=) 12.Rd1 (12.cd5 Rc8+/–) 12...dc4 13.Bc4 Qe7 14.a3 Ba5 15.Nbd2 (15.Qb7 Rab8 16.Qd5 Nf2 (16...Rb2?! 17.Qf5 Nf2 18.Rf1=) 17.Kf2 Rb2 18.Be2 Bc2–+) 15...Rab8 16.a4 Bg4 (better is 16...Nb6!?=) 17.Ne4+/– Qe4 18.Bd5 (18.Bf7!? Rf7 19.Qf7 Kf7 20.Ng5 Kg6 21.Ne4 Bd1 22.Rd1+/–) 18...Qg6+= 19.e4 cd4 20.Bd4 Bb6 21.Bb6 Nb6 22.Rd3 Bf3 23.Rf3 Nd5 24.ed5 Qd6 25.Rd1 b6 26.Rg3 Rfe8 27.Qb5 Rbc8 28.Rc3 g6 29.Re3 Red8 30.g3 Rc5 31.Re8 Re8 32.Qe8 Kg7 33.Qe4 Kg8 34.h4 h5 35.Kg2 Kh7 36.Rd2 Kg8 37.f4 Rc3 38.Qe8 Qf8 39.Re2 Qe8 40.Re8 Kg7 41.Kf2 Rd3 42.Rd8 f5 43.Ke2 Rd4 44.Ke3 Rd1 45.d6 Kf6= 46.d7 Kf7 47.Kf3 Rd6 48.Ke3 a5 49.Rb8 Rd7 50.Rb6 Rd5 51.Rc6 Kg7 52.Re6 Rd7 53.Re5 Kf6 54.Ra5+- Rd1 55.Ra6 Kf7 56.Rc6 Ra1 57.Ra6 Ra3?? 58.Kf2+- Ra2 59.Kf3 Ra3 60.Kg2 Ra2 61.Kh3 Kg7 62.Ra8 Kh7 63.a5 Kg7 64.Ra6 Kh7 65.Ra7 Kh8 66.a6 Kg8 67.Ra8 Kg7 ½–½. Jovanovic,Momir (2075) – Osthoff,Michael (2135), Munich–ch MK, 2006.

11.d3 d5 12.0-0 Qd6 13.d4 Nce4 14.Qb3 Bc7 15.Ne4 Ne4 16.cd5?? Nd2!!–+ (16...Nd2 17.Ne5 Nb3–+) 0–1. Jeschke,Holger – Pedersen,Torsten, Schleswig Holstein–ch, 1992.

11.0-0 Qb6 12.Na4 Qc7 13.d4 Nf3 14.Bf3 a6 15.d5 +=.

9.0-0 c6 10.d3 (10.Nd4 Bg6=) 10...Ne5 11.Ne5 (11.Nd4 Bd7=) 11...de5=+ (11...Re5 12.a3 Bc5 13.d4+- (13.Be5?! de5 14.Nc3 Qd7+/–)) 12.e4 (12.d4 ed4 13.Bd4 c5=+) 12...Bg6 (12...Bc8 13.Nc3=+) 13.Nd2 Bd2 14.Qd2–/+ Ne4! 15.Qe3 Nd6 16.Rad1 Nf5–+ 17.Qc1 Nd4 18.Rfe1 c5 19.Rd2 Qd7 20.h3 Bf5 21.Bd1 a5 22.Re3 Ra6 23.Rg3 Rae6 24.Bd4 ed4 25.f3 Re1 26.Kf2 Qe7 27.Qc2 Qe3 0–1. Dopper,Johan – Aangeenbrug,Hans, corr, 1994.

9.0-0 Ne5 10.d4 Nf3 11.Bf3 d5 (11...Ne4 12.Qb3 Ba5 13.Be4 Be4 14.Nc3=) 12.c5 (better 12.Qb3!? Ba5 13.cd5+=) 12...c6=+ 13.Qb3 Ba5 14.Nc3 (14.Qb7?? Rb8 15.Qc6 Rb2-+) 14...Bc7 15.a4 (15.Qb7? Rb8 16.Qc6 Re6-+ (16...Rb2?! 17.Nd5 Nd5 18.Qd5-/+)) 15...Ne4 16.Bc1 (16.Qb7 Nd2 17.Ba3 Nf3 18.gf3 Qg5 19.Kh1 Bh3-+) 16...Rb8 17.Ne2 (17.Ne4 Be4 (worse 17...Re4 18.Be4 de4 19.f4+=) 18.Be4 Re4=+) 17...g5 (better 17...Ng5!? 18.Bh5 b6 19.cb6 Rb6-/+) 18.Ng3=+ Ng3 19.hg3 Qf6 20.a5 a6 21.Qd1 Qe6 22.Bh5 g4 23.f3 Bg3 24.fg4 (24.Bg4? Qh6 25.Bh3 Qh4-+) 24...Be4?? (better 24...Bg6 25.Qf3 Bc7=) 25.Bf7+- Qf7 26.Rf7 Kf7 27.g5 Kg6 28.Qg4 Bc7 29.Bd2 Rf8 30.Be1 Rf5 31.Bg3 Bg3 32.Qg3 Rbf8 33.Qd6 Kg7 (better 33...Kg5 34.Ra2 Rf1 35.Kh2 R8f7+-) 34.Qh6 Kg8 35.Ra2 Rf1 36.Kh2 Bg6 37.Qh3 Re1 38.Qe6 Kg7 39.Kg3 Re8? (39...Rb1+-) 40.Qd7 Kg8 41.Rf2 (better 41.Qb7 R1e3 42.Kh2+-) 41...R1e3 42.Kh2 R3e7 43.Qg4 Rf7 44.Rf7 Kf7 45.Qd7 Re7 46.Qd6 Re4 47.Qf4?? (better 47.Qf6 Kg8 48.Qd8 Kf7 49.Kg3+-) 47…Rf4 (47...Rf4 48.g4 Rd4 49.Kg2 Re4 50.Kf3 d4 51.Kg3 d3 52.Kf3 d2 53.Kg3 d1Q 54.Kh2 Qc2 55.Kg3 Re3 56.Kf4 Qf2) 0-1. tpape (2030) - stevie_ray (2065), Rated Blitz game, lichess.org, 2015.

9.0-0 Ne5 10.Ne5 de5 11.d4 e4 (11...ed4 12.Qd4 Qd4 13.Bd4=) 12.d5 c6 13.Nc3 Qd6 14.a3 Bc3 15.Bc3 cd5 16.cd5 Nd5 (16...Qd5 17.Bf6 Qd1 18.Rad1 gf6 19.f3=+) 17.Qd4 f6 18.Bc4 Red8 (18...Be6 19.Rfd1 Rad8 20.Bb4=) 19.Bb4 (19.Rfd1 Be6 20.Qe4 Rac8+=) 19...Qe5= 20.Bd5 (better 20.Qe5!? fe5 21.Rfd1=) 20...Qd5 21.Qd5 Rd5 22.Rad1 Rad8 23.Rd5 Rd5 24.h3 a6 25.g4 (25.Rc1 a5 26.Bc3 Rc5-/+) 25...Be6 26.Kg2 b5 (26...h5 27.f3-/+) 27.Rc1 Bd7 (27...h5 28.Rc6 Kf7 29.Rc7 Rd7 30.Rd7 Bd7 31.gh5=+) 28.f3 ef3 29.Kf3 Kf7 (29...h5-/+) 30.e4? (better 30.Rc7 Ke6 31.Ra7=) 30...Rd3-+ 31.Kg2 Ke6 (31...a5 32.Ba5 Ra3 33.Bb6-+) 32.Rc5 a5! 33.Ba5 (33.Rd5!? Rd5 34.ed5 Kd5 35.Ba5-/+) 33...Ra3-+ 34.Bc7 (34.Bc3 Ra4 35.Kf3 b4-/+) 34...Re3 35.e5 fe5 36.Bb6 (36.Kf2 Rh3 37.Re5 Kf7-+) 36...g6 (36...b4 37.Rc4 Rb3 38.Rc5-+) 37.Rc7 (37.Bc7 b4 38.Kf2 b3 39.Ke3 b2 40.Re5 Kf7-+) 37...Rd3 38.Bf2 (38.Ba5 e4-+) 38...b4 39.Bg3 (39.Rc2-+) 39...b3 40.Rb7 (40.Kf2 b2 41.Rb7 Rf3 42.Ke1 Rg3 43.Rb2 Rh3 44.Rb4-+) 40...Bc6 41.Kf2 Bb7 42.Ke2 (42.Ke1 b2 43.Bh2 b1Q 44.Kf2 Qc2 45.Ke1 Rd1) 42…Rg3 (42...Rg3 43.Kd2 b2 44.Kc2 Rg2 45.Kb3 b1Q 46.Kc4 Rc2 47.Kd3 Qb3) 0-1. zomboeb (1725) - Sameer_S_Kulkarni (1735), lichess.org, 2021.

9.0-0 Qe7 10.a3 Ba5 11.Qa4=.

9.0-0 h6 10.Qb3 Ba5 (10...c5 11.d3=) 11.d4 (11.Qb7 a6 12.Bd4 c5+=) 11...Bb6 12.Nc3 White intends d5 12...c5 13.d5 Ne5 (13...Rb8 14.Rfd1+=) 14.Ne5+= de5 15.a4 (15.Na4 Bd7+=) 15...a6 16.Rad1 Qd6 17.Bd3 (17.f3 Bc7=) 17...Bd3 18.Rd3 e4 19.Rdd1 Re5 (19...Bc7 20.g3=) 20.f4 (20.Ne2!? Re7 21.Ng3+/-) 20...ef3= 21.Rf3 Rh5 22.h3 Re8 23.Re1 (better 23.Ne2!? Ne4 24.Nf4=) 23...Bc7-/+ 24.Rf4 (24.Kf2!?-/+) 24...Re3! 25.Re3 Qf4 26.Ne2 Qh2 27.Kf1 (27.Kf2 Rf5 28.Ke1 Qg2 29.Bf6 Qf1 30.Kd2 Rf6 (30...gf6?! 31.Qb7 Ba5 32.Kc2=+) 31.Re8 Kh7 32.Qd3 g6-+) 27...Rf5 (27...Qh1 28.Kf2 Rg5 29.g4 Rg4 30.Re8 Ne8 31.hg4-+) 28.Rf3 (28.Ke1 Qg2 29.Bf6 Rf6 30.Kd1-+) 28...Rf3 (better 28...Ne4 29.Qe3 Rf3 30.gf3 Qh3 31.Ke1 Qh1 32.Ng1 Bg3 33.Kd1 Nf2 34.Kc2 Qg1 35.Qe8 Kh7-+) 29.Qf3-/+ Qh1 (better 29...Be5!? 30.Bc3 b6-/+) 30.Kf2= Qb1 (better 30...Ne8 31.Qe3 Nd6=) 31.Bf6+- gf6 32.Qf6 (32.Qg4 Kh7 33.Qd7 Be5 34.Qf7 Kh8+/-) 32...Qc2 (32...Qg6 33.Qg6 fg6 34.Kf3+/-) 33.Qh4 (better 33.d6!? Ba5 34.Qh6 Qc4 35.Qg5 Kh7 36.d7+/-) 33...Qa4= 34.Qg4 Kh7 35.Qf5 Kg8?? (better 35...Kg7 36.Qg4 Kf6 37.Qf3 Ke7 38.Qe3 Kd7 39.Qc5 Bd6=) 36.Qc8+- Kg7 37.Qc7 Qc4 (37...Qa1 38.Qc5 Qf6 39.Ke1+-) 38.Qb7 (better 38.d6 Qh4 39.Kg1 Qe1 40.Kh2 Qe2 41.d7+-) 38...a5 39.Qc7 (better 39.Qb2 Kg8 40.Qe5 Qh4 41.Ng3 Qd4 42.Qd4 cd4+-) 39...a4? (39...Qd5 40.Qa5 Qf5 41.Ke1+-) 40.Qg3 (40.d6 Qh4 41.Kg1 a3+-) 40...Kf8 (40...Kh7 41.d6 Qd5 42.Qf3 Qd6 43.Qf7 Kh8 44.Qe8 Kg7 45.Qa4+-) 41.d6 (better 41.Qe5 Qh4 42.g3+-) 41...a3?? (41...Qe6+-) 42.Qa3 (better 42.d7 Qd5 43.Qb8 Kg7 44.d8Q Qd8 45.Qd8+-) 42...Qh4 (42...Qd5 43.Qa6 Qf5 44.Ke1 Qb1 45.Kd2 Qb2 46.Kd1 Qb3 47.Kc1 Qe3 48.Kc2 Qe4 49.Kd2 Qd5 50.Ke1+-) 43.Kf1 (43.Kg1 Qd8 44.Qc5+-) 43...Qf6 44.Kg1 c4?? (44...Qd6 45.g4 Qe5+-) 45.Qa8 Kg7 46.d7 Qb6 47.Kh1 Qb1 48.Kh2 Qe4 49.Ng3 (49.Qe4 c3 50.Qg4 Kh7 51.d8Q h5 52.Qh5 Kg7 53.Qdh8) 49...Qd5 (better 49...Qa8 50.Nf5 Kh7-+) 50.d8Q (50.d8Q Qd8 51.Qd8 f5 52.Nh5 Kf7 53.Qd7 Kf8 54.Qg7 Ke8 55.Nf6 Kd8 56.Qd7; 50.Qd5 c3 51.Nh5 Kg6 52.d8Q f5 53.Nf4 Kg7 54.Q5d7) 1-0. fishissushi (1865) - Gmsidd (1845), Rated Blitz game, lichess.org, 2020.

9.Qb3 a5 10.a3 Bc5=.

9.Bc3 Nc3 10.dc3 Nd7 11.Bd3 Bd3–/+ 12.Qd3 Nc5 13.Qf5 g6 14.Qd5=+ c6 15.Qd2 Ne4 16.Qb2 Qf6 17.Rd1 d5 18.Rd4= Rad8 19.0-0 b6 20.cd5 cd5 21.Rfd1 Rfe8 22.Qb4 Qf5 23.c4+/– Nf6 24.Qa4 Re7 25.Rf4+- Qe6 26.Nd4 Qe5? 27.Nc6 b5 28.cb5 Qe6 29.Nd8 Qb6 30.Nc6 Re6 31.Rf6! Rf6 32.Ne7 Kg7 33.Nd5 Qc5 34.Nf6 Kf6 35.Qd4 Qe5 36.Qe5 Ke5 37.a4 Ke6 38.a5 f5 39.b6 ab6 40.ab6 f4 41.b7 Kf5 42.b8Q fe3 43.Rd5 Kf6 44.Qe5 Kf7 45.Rd7 Kg8 46.Qg7# (46.Qe8#) 1–0. orane – Rasputin, caissa.com, 2006.

9.Bc3 Nc3 10.dc3 Nd7 11.Bd3 Bd3 12.Qd3 Nc5 13.Qf5 g6 14.Qd5 c6 15.Qd2 Ne4 16.Qb2 Qf6 17.Rd1 d5 18.Rd4= Rad8 19.0-0 b6 20.cd5 cd5 21.Rfd1 Rfe8 22.Qb4 Qf5 23.c4+/– Nf6 24.Qa4 Re7 25.Rf4+- Qe6 26.Nd4 Qe5? 27.Nc6 b5 28.Qb5 a6 29.Qb4 Rb7 30.Qb7 Qh5 31.g4! (31.g4 Qh6 32.Nd8+-) 1–0. orane – Rasputin, caissa.com, 2007.

9.Bc3 Nc3 10.dc3 Nd7 11.Bd3 Bd3 12.Qd3 Nc5 13.Qf5 g6 14.Qd5 c6 15.Qd2 Ne4 16.Qb2 Qf6 17.Rd1 d5 18.Rd4 Rad8 19.Qb7 c5 20.0-0 cd4 21.cd4 Ng5 22.Ng5 Qg5 23.c5 Rb8 24.Qd7 Qf5 25.Qf5 gf5 26.h3 Kg7 27.g4 fg4 28.hg4 Kf6 29.Kg2 Rg8 30.Kf3 Rb2 31.a4 Rc2 32.Rh1 Rg7 33.Rh5–/+ Ke6 34.Re5 Kd7 35.Rd5 Kc7 36.Re5 Kc6 37.Re7= a5 38.Ra7 Kd5 39.Rd7 Kc6 40.Ra7 Kd5 41.Rd7 Kc6 42.Ra7 ½–½. Fritz 11 – Caissa, internet, 2008.

9.Bc3 Nc3 10.dc3 Nd7 11.Bd3 Bd3 12.Qd3 Nc5 13.Qf5 g6 14.Qd5 c6 15.Qd2 Ne4 16.Qb2 Qf6 17.Rd1 d5 18.cd5 Nc3 19.d6+/– Qg7 20.Rd3 Ne4 21.Qd4 f5 22.Ne5 Rad8 23.d7 c5 24.Qd5+/– Kh8 25.f3 c4 26.Rd4 Nf6 27.Qe6 Qg8 28.Qg8+- Kg8 29.Kd2 b5 30.Kc3 a5? 31.Rb1 f4 32.ef4 b4 33.Kc4 Kg7 34.Rbd1 h6 35.Kb5 Nh5 36.Nc6 Rf5 37.Ka4 Rdf8 38.d8Q Rd8 39.Nd8 Nf4 40.Rf4! Rf4 41.Ne6 Kf6 42.Nf4 g5 43.Nh5 Kg6 44.Rd6 Kf5 45.Ka5 Ke5 46.Rh6 b3 47.ab3 Kd4 48.b4 Ke5 49.b5 g4 50.fg4 Kd5 51.b6 Kc4 52.b7 Kd4 53.b8Q Ke4 54.Rd6 Ke5 55.Kb4 Ke4 56.Qe8# 1–0. orane01 – caissa, internet, 2009.

8.Nc3 Nbd7 9.Be2 Bc3 10.Bc3 Ne4 11.Bb2 Ne5 12.Ne5 de5 (12...Re5? 13.d3 Nf6 14.Be5 de5 15.0-0+/-) 13.d3 Nc5 14.d4 ed4 15.Bd4 Ne6 16.Bc3 Qd1 17.Rd1 Rad8 18.0-0 c6 19.Be5 f6 20.Bg3 Kf7 21.Bf3 (21.Rd6 Rd6 22.Bd6 Nd4 23.Bh5 g6=) 21...Ng5 22.Be2 Be4 (22...Ne4 23.Bc7 Rd1 24.Rd1-/+) 23.Bf4 h6 24.Bh5 Bg6 25.Be2 Ne6 26.Bg3 h5 27.Rb1?? (27.Bd6 b6=) 27...Rd7 (27...Bb1 28.Rb1 Re7 29.Bh5 g6-+) 28.h3?? (28.Rfd1 Red8 29.Rd7 Rd7=) 28...Red8?? (28...Bb1 29.Rb1 Kg6 30.f4-+) 29.Bf3? (29.Rb3 Nc5 30.Ra3 Rd2=+) 29...Ng5?? (29...Bb1 30.Rb1 g6 31.Rb3-+) 30.Be2? (30.Rb4 Nf3 31.gf3 Bd3-/+) 30...Ne4?? (30...Bb1 31.Rb1 Kg6 32.f4-+) 31.Bh2? (31.Rb4 Nc5 32.Bf3 Rd2-/+) 31...h4?? (31...Nc3 32.Rb2 Ne2 33.Re2-+) 32.Bf3? (better 32.Rb2!?-/+) 32...Nd2-+ 33.Rbd1?? (33.Rb4 Nf1 34.Kf1-+) 33...Nf1 (better 33...Nf3 34.gf3 Rd1 35.Rd1 Rd1 36.Kg2 Bd3-+) 34.Rf1 Rd2 35.c5 Ra2 36.Bc7 Rdd2 37.Bd6 (37.e4-+) 37...Bd3 38.Re1 Rf2 39.Kh2 (39.e4-+) 39...Rf3 40.e4 Rff2 (40...Bf1 41.Kh1 Bg2 42.Kg1 Rh3 43.Bh2 Bf3 44.Re3 Ra1 45.Kf2 Rh2 46.Kf3 Rf1 47.Kg4 Rg1 48.Kf4 g5 49.Kf5 Rf2 50.Rf3 Rf3) 41.e5 Rg2 42.Kh1 Be4! 43.e6 (43.Re4 Rh2 Double attack) 43...Ke8 44.Re4 Rh2 (better 44...Rge2 45.Re2 Re2-+) 45.Bh2= Ra1 46.Bg1 Ra2 47.Re1 Ra3 48.Rf1 (better 48.Kg2 Rg3 49.Kh2=) 48...Ra4?? (better 48...Rh3 49.Kg2 Rg3 50.Kh2 Rb3-+) 49.Re1 Ra1?? (better 49...Ra3 50.Kg2 Rg3 51.Kh2 Rb3=) 50.Bh2 (50.Ra1 Ke7 51.Re1 a5 52.Bh2 Kf8 53.Bd6 Kg8 54.e7 b5 55.e8Q Kh7 56.Qh5 Kg8 57.Re8) 50...Re1-+ 51.Kg2 a6 (better 51...Re2 52.Kg1 Rh2 53.Kh2 a5-+) 52.Kf3 Re2 (better 52...Ke7 53.Bd6 Ke6-+) 53.Kg4?? (better 53.Ke2 Ke7 54.Kd3-+) 53...Re3 (better 53...Rh2 54.Kh4 a5 55.Kg3-+) 54.Kf5 (54.Bc7-+) 54...Re4 (better 54...a5 55.Bg1 Rh3 56.Ke4-+) 55.Kg6?? (better 55.Ke4 a5 56.Bf4-/+) 55...Re5! 56.Kh7 (56.Be5 fe5 Passed pawn) 56...Re6 (better 56...a5 57.Kg7 a4 58.Bf4 Rc5 59.Kf6-+) 57.Kg8 (57.Kg7 a5 58.Bf4 a4-+) 57...f5 (better 57...g5 58.Bg1 Re1 59.Bh2-+) 58.Bd6 Rf6 (58...Rd6 59.cd6 f4 60.Kh7-+) 59.Be7 Rf7 (59...Rf7 60.Bg5 f4 61.Kh7 f3 62.Be3 Re7 63.Bf4 Kf7 64.Bb8 f2 65.Bd6 f1Q 66.Kh8 Qf3 67.Bf4 Re8 68.Kh7 Qd3; 59...Ke7 60.Kg7 a5 61.Kg8 Rg6 62.Kh8 Ke8 63.Kh7 Kf7 64.Kh8 Rh6) 0-1. James_Flynn (2045) - blablub (2075), Rated Bullet game, lichess.org, 2015.

8.Be2 Nc6 9.0-0 Ne5 10.a3 Ba5 11.Ne5 de5 12.d4 Bb1 13.Rb1+= ed4 14.ed4 c6 15.Bc1 Rb8 16.Bf4 Bc7 17.Bg5 Qd6=+ 18.g3 Ne4 19.Bf4 Qd8 20.Bc7= Qc7 21.Qc2 Ng5 22.d5 cd5–/+ 23.c5 Qc6?? 24.Bd3?? d4–+ 25.f4 Nh3# 0–1. Fugly – qazaq18, Caissa.com, 2004.

8.Be2 Nc6 9.Nc3 +=.

8.Be2 Nbd7 9.0-0 b6 (9...Nc5 10.Nc3=) 10.d3 (better is 10.a3 Ba5 11.Nd4+=) 10...Rb8?? (better is 10...Ne5=) 11.Nd4+- Qc8 (11...Be6 12.Nc6 Qc8 13.Nb4+-) 12.Nf5 Bc5 (12...b5 13.cb5 Rb5 14.Bg4+-) 13.a3 (better is 13.Qb3!? g6 14.Ng3 h5+-) 13...b5 14.Nd2 (14.cb5!? Rb5 15.Bc3 Rb8+-) 14...bc4 15.Bd4 (better is 15.Qc2 cd3 16.Bd3 Ne5 17.Be5 Re5+-) 15...Bd4 16.Nd4 cd3 (16...c5 17.Nf5 cd3 18.Bd3+-) 17.Bd3 c5 18.Ne2 Ne5 19.Nc4 Nc4 20.Bc4 Qc7 21.Nf4 Ne4 22.Nd5 Qd7 23.f3 Ng5 24.Qe1 Qf5 25.Qg3 Rbd8 26.h4 Ne6 27.e4 Qe5 28.Qe5 de5 29.Rab1 Rb8 30.Rb8 Rb8 31.Ne7 Kf8 32.Be6 Ke7 33.Bd5 Kd6 34.Bf7 1–0. Pfueller,Volker – Lemnitz,Donald, 6th Berlin–ch Seniors, 2010.

7.Nc3 c6 8.d4 Bg4 9.Be2 Qd7 10.Bg4 Ng4 11.Qf3 Na6 12.Nge2 Nb4 13.0-0 f5 14.Rfd1 Rae8 15.Rab1 a5 16.Rb2 Rf6 17.a3 Na6 18.Rdb1 Rb8 19.h3 Nh6 20.d5 c5 21.Nf4 a4 (21...Nf7+-) 22.Ne6 Nf7 23.Rb6 Qc8 24.Nb5 Ne5 25.Qf4 Re6 26.de6 Qe6 27.Nd6 Qe7 (27...Nd7 28.Rb7 Rf8+-) 28.Ra6! Nd3 29.Qf5 Ne5 30.Rb7! (30...Qb7 31.Nb7 Nc4 32.Qf4+-) 1–0. marekt – salvatore, ChessWorld.net, 2004.

7.Nc3 Qe7 8.d4=.

8.Rb1 b6 9.d4= Bf5 10.Bd3 Bd3 11.Qd3 Qd7 12.Nf3 Ne7 13.0-0+= Rfe8 14.Rfe1 Ng6 15.h3 h6 16.d5 Ne5= 17.Ne5 Re5 18.e4 Nh7 19.Nb5 Nf8 20.f4 Re7 21.Qg3 Kh7 22.Nd4+/– f6 23.Nc6 Ree8 24.e5 de5 25.fe5 fe5 26.Ne5 Qd6 27.Qd3 Kg8 28.Qf5 Re7 29.Nc6 Rf7 30.Qe5 Qd7 31.Ne7 Kh8+= 32.Re2 Rf6 33.Rbe1 a5 34.Qg3 g5 35.Qc3+- Kg7 36.Rf2 Nh7 37.Nf5 Kg6 38.Re7 (38.Re7 Qe7 39.Ne7 Kf7 40.Qe5 Rf2 41.Kf2+-) 1–0. Pech,Jaroslav – Wallace,Gary, corr or01–011 E–mail, 2001.

8.d4 Qe7 9.Nf3 =.

8.d4 Bf5 9.Bd3= Bg4 10.Be2 Be2 11.Nge2 Na5 12.Qd3 Re8 13.0-0 c6 14.Ng3 Qd7 15.Rab1 b6 16.Rfc1 Rad8 17.e4 ½–½. Zelezny,Jiri – Kovar,Vojtech, Plzen op–C U16, 1996.

8.d4 Bf5 9.Nf3 Nb4 10.Rc1 Ne4 11.Qb3 Nc3 12.Rc3 c5 13.a3 Nc2 14.Kd1 Qc7 15.Rc2 Bc2 16.Kc2 cd4 17.ed4 Rfe8 18.Bd3 a5 19.Rb1 Re7 20.Qb6 d5 21.Qc7 Rc7 22.Kb3 Rac8 23.c5 Ra8 24.Ka4 Kf8 25.Bh7 g6 26.Kb5 Kg7 27.Ng5 Rcc8 28.Ka4 Ra7 29.Re1 Rb8 30.Kb5 Ra6 31.f4 Rf6 32.g3 Rf5 33.Kb6 Rf6 34.Kc7 Rh8 35.Re5 Rc6 36.Kb7 Rcc8 37.Rd5 Rb8 38.Ka7 Ra8 39.Kb7 Rab8 40.Ka6 Rb2 41.Ka7 Rbb8 42.Rd7 Ra8 43.Kb7 Rhb8 44.Kc6 Ra6 45.Kd5 Rf6 46.Ra7 Rf5 47.Ke4 Re8 48.Kd3 Rb8 49.Ke4 Re8 50.Kd3 Rb8= 51.Ke4 (Better is 51.Ra5 Rb2 52.h3+-) ½–½. bestia_02b – ldb, computer chess game, 2000.

7.Nf3 Re8 8.d4 Bg4 9.Be2 Ne4 10.Bb4 Nb4 11.a3 Nc6 12.0-0 Qf6 13.Qc2 a6 14.Nc3 Nc3 15.Qc3 b6 16.Rac1 Ne7 17.Rfe1 Ng6 18.h3 Bf5 19.c5 dc5 20.dc5 Qc3 21.Rc3 b5 22.Nd4 Be4 23.f3 Bd5 24.c6 Ne5 25.Kf2 f6 26.Rb1 Rab8 27.Rd1 Red8 28.g4 Kf7 29.f4 Nc4 30.Bc4 Bc4 31.a4 g5 32.ab5 Bb5 33.fg5 fg5 34.e4 Rd6 35.Rc5 Rbd8 36.Ke3 Kg6 37.Rd2 Bf1 38.e5 Rd5 39.Rd5 Rd5 40.Ke4 Rd8 41.Rf2 Bc4 42.Rf6 Kg7 43.Nf5 Kg8 44.e6 Re8 45.Ke5 a5 46.Nd4 a4 47.Rf3 Ba2 48.Ra3 Bc4 49.Kf6 1–0. Benassi,Aspasio – Gallati,Werner, corr, 2000.

8.Nc3 Bf5 9.d3 Nc6 10.Nf3 d5 11.cd5 Nd5 12.Nd5 Qd5 13.Be2 Qa5 14.Qd2 Qd2 15.Kd2 Rfd8 16.Kc3 Rd6 17.Rab1 Nd8 18.Nd4 Bg6 19.Rhd1 Ra6 20.Rb2 c5 21.Nb5 Ne6 22.Bf3 Rb8 23.Rdd2 Kh8 24.Rd1 Ng5 25.Be2+= Kg8? 26.h4+- Be4 27.hg5 Bg2 28.e4 Bh3 29.f4 Be6 30.Rdd2 Rd8 31.f5 Bc8 32.d4 cd4 33.Nd4 Rad6 34.Nf3 Rc6 35.Bc4 Re8 36.Nd4 Rd6 37.Bd5 Rd7 38.Kd3 g6 39.f6 Re5 40.Nf3 Re8 41.Ke3 a6 42.Kf4 Kf8 43.Ne5 Rdd8 44.Rbc2 Be6 45.Bb7 Rd2 46.Rd2 a5 47.Bd5 Bd5 48.ed5 Rd8 49.d6 Rc8 50.d7 Rd8 51.Nc6 Kg8 52.Nd8 h6 53.Nf7! Kf7 54.d8Q hg5 55.Kg5 a4 56.Qe7 Kg8 57.Rd8# 1–0. Dumontelle,Joe – ChessChampion2150L, tournament game, 2000.

10.Nc3 Bf5 11.Nf3 Bg4 12.Be2 Ne4 13.Ne4 +/–.