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TESTH800 Release 2024-06-28
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Ne7 5.Qh5 g6

(...)

6.Qe2 Nbc6 7.a3 (7.Qf3 Na5 8.Bb3 Nec6 9.Ne2 Nb3 10.ab3 0-0 11.c3 Be7-/+) 7...Bc5 8.Nc3 a6 9.Nf3 d6 10.0-0 Bg4 11.Nd5 Nd5-/+.

6.Qe2 d5 7.a3 (7.ed5 Nd5 8.Qe4 Be6 9.f4 Nc6 10.fe5 f5 11.Qd3 Na5-/+) 7...Ba5 (7...Bc5 8.Bd5 Nd5 9.Qb5 Nd7 10.ed5 0-0 11.Nf3 Bd6+=) 8.Bb5 (8.ed5 Nd5 9.Bd5 Qd5 10.f4 Nc6 11.fe5 Ne5-/+) 8...Nd7 (8...c6 9.Bd3 Qb6 10.Bc1 Nd7 11.Nf3 de4-+) 9.Bc3 (9.Nf3 c6 10.Bd3 Nc5 11.0-0 Bg4-/+) 9...Bb6 (9...Bc3 10.Bd7 Qd7 11.Nc3 Qc6-/+) 10.ed5 Nd5 11.Qc4 (11.Qf3!? c6 12.Bc4-+) 11...c6-+ 12.Ba4 Nc5 (worse is 12...Nc3 13.Nc3 Nc5 14.Nf3-+) 13.Bb2 (13.Bb3 Be6 (13...Nb3?! 14.Qb3 Be6 15.Qc4-+) 14.Ba5 Nc7-+ (worse is 14...Ba5 15.Qc5 Bb6 16.Qc4-+; worse is 14...Nb3 15.Bb6 Qb6 16.Qb3-+)) 13...Be6 (13...Na4?! 14.Qa4 Bf2 15.Kf2 Qb6 16.Bd4 ed4 17.Nf3 d3 18.Kg3 dc2 19.Qc2-+) 14.Bb3 (14.Nc3 Nc3 15.Bc6 bc6 16.Qc3-+) 14...Nf4 15.Qf1 Bb3 16.g3 (16.cb3 Ncd3 17.Kd1-+) 16...Bc2 17.gf4 Nd3 18.Ke2 Qd5 19.Nc3 Nf4 20.Ke1 Ng2 (20...Ng2 21.Qg2 Qg2-+) 0–1. ujjvalverma (1670) – marekt (1995), gameknot.com, 2014.

6.Qf3 c6 7.Qf6+- White gets in control 7...Rf8 8.Qe5 Qb6 (8...d5 9.ed5 cd5 10.Bb5 Nbc6 11.Nf3+-) 9.Bd4 c5 (9...d6 10.Bb6 de5 11.Be3+-) 10.Bc3 (10.Be3 d6 11.Qg7 Qc6+-) 10...Nbc6+- 11.Qd6 Bc3 12.Nc3 (12.dc3? Qb2 13.Nf3 Qa1-+) 12...Qb2? (better 12...Qb4 13.Bb5 Nd4+-) 13.Rb1+- Qc2 (13...Qa3 14.Nb5 Qa4 15.Qc5 Rb8+-) 14.Bd3 Qd2 (14...Qb1 15.Bb1 b6+-) 15.Kd2 Rf2 16.Nge2 Nb4 (16...Nd8 17.Qc5 Rf7 18.Nb5+-) 17.Rhf1 Nd3 18.Kd3 Rf1 19.Rf1 b6 (19...a5 20.Nd5 c4 21.Ke3 Nf5 22.Rf5 gf5 23.Qe7) 20.Nd5 Nd5 (20...Nf5 21.Qe5 Kf7 22.Qe7 Kg8 23.Nf6 Kh8 24.Qh7) 21.Rf8 1–0. sirgeshdb (1970) – kpiraee (2090), lichess.org, 2020.

6.Qh3 Nbc6 7.Qb3 Rf8 8.Nf3 b6 9.c3 Bc5 10.Qa4 f5 11.d3 fe4 12.de4 Rb8 13.Bc1 a6 14.Qc2 (14.Ba6 Ra8 Decoy) 14...b5 15.Bb3 h5 (better is 15...d6!? 16.Bh6 Bh3 17.Bf8 Bg2+=) 16.Bh6= Rf6 17.0-0 (17.Nbd2 d6=) 17...Bb7= 18.Nbd2 g5 19.Bg5 Rg6 20.a4 b4 21.cb4 Bb4 22.Qc4 (22.Qa2!? Rg7 23.Bf6+-) 22...Re6+/- 23.Rad1 a5 (23...Qc8!?+/-) 24.Qc1 Rd6 25.Nc4 Rd1 26.Rd1 (26.Bd1?! d6+/-) 26...Nd4? (26...d5+-) 27.Nd4 ed4 28.Ne5 Qc8 29.Qf4 c6 30.Nd7! Nd5 (30...Qd7 31.Bf7 Double attack (31.Qb8 Discovered attack; 31.Qb8 Deflection; 31.Qb8 Overloading); 30...Kd7 31.Rd4 Mate attack) 31.Nf6 (31.Nb8 Nf4 32.Bf4 Qg4-+; 31.ed5 Qd8 32.dc6 Qg5 33.Re1 Qe5 34.Qe5 Kd8 35.Qb8 Bc8 36.Qb6) 31...Nf6 (31...Kf8 32.Nd5 Qf5 33.Qf5 Kg7 34.Qf6 Kg8 35.Nb4 Kh7 36.Qh6) 32.Qf6 Qf5 33.ef5 Kd7 34.Qf7 Be7 35.Qe7 Kc8 36.Be6 1–0. orane – Caissa, internet live, 2003.

6.Qh4 b6 7.Qf6 Rf8 8.Qe5 Nbc6 9.Qg7 Bb7 (9...Na5 10.Bd3 Bc5 11.Nf3+-) 10.Nf3 d6?? (better is 10...Na5 11.Bd3 d5+-) 11.Ng5 (11.Qh7?! Qc8 12.Ng5 Qg4 13.Bf7 Kd8 14.Ne6 Kd7 15.Nf8 Rf8+-) 11...Qd7 (11...Rf4 12.g3 d5 13.Bd5 Nd5 14.gf4 Nde7+-) 12.Be6 Rf2 13.Qh8 Ng8 14.Qg8 Ke7 15.Qg7 Ke8 16.Qd7 Kf8 17.Nh7 1–0. Speedy – Macho, internet, 2017.

6.Qh4 c6 7.Qf6 Rf8 8.Qe5 d6 9.Qg5 (9.Qg7!?+/-) 9...Qb6= 10.Nf3 Bd2 (10...Bc5 11.Bb3 Bf2 12.Ke2+=) 11.Nbd2+= (worse 11.Nfd2 Qb2 12.Nb3 Qc2=+) 11...Qb2 12.0-0 (12.Rb1 Qc2 13.Qg3 Qc3+=) 12...Qc2= 13.e5 (13.Qh6 Qc3=) 13...d5 14.Bb3 Qf5 15.Qh6 Qf7 (15...Qh5 16.Qh5 gh5 17.Bc2=+) 16.Ng5 (better 16.Ne4 Nf5 17.Qd2+=) 16...Qg8?? (better 16...Qf4 17.Ndf3 Rh8=+) 17.Nh7+- (17.Qh7?! c5=) 17...Nf5 18.Qh3 (18.Qf8!? Qf8 19.Nf8 Kf8 20.f4+-) 18...Ne7+/- 19.Nf6?? (better 19.Qh4 Qh8 20.Nf3+/-) 19...Rf6!-+ 20.Qe3 (20.ef6 Qe6 Double attack (20...Qe6 Decoy)) 20...Rf8 21.Ne4 Be6 (better 21...Nf5!? 22.Qg5 Qg7 23.Nf6 Kf7 24.Rae1-+) 22.Nd6 Kd7 23.Nb7 Nf5 24.Nc5 Ke7 25.Qg5 Kf7?? (25...Ke8 26.Ba4-/+) 26.Nb7?? (better 26.Qf6 Ke8 27.Qe6 Qe6 28.Ne6+/-) 26...Qg7 (26...Kg7 27.Rae1-+) 27.Nd6 (better 27.Nd8!? Rd8 28.Qd8 Qe5 29.Rfe1-/+) 27...Kg8-+ 28.f4 Nd7 (28...Nd6 29.ed6 Qd4 30.Kh1-+) 29.g4 (29.Rac1 Nd6 30.ed6 Rac8-+) 29...Ne3 (better 29...Nd6 30.ed6 Rad8-+) 30.Rf3?? (30.Rfe1 Ng4 31.Rac1 Qh6 32.Qh6 Nh6 33.Rc6 Rf4-/+) 30...Ng4 (better 30...Ne5 31.Re3 Nf7 32.Nf7 Qa1 33.Kg2 Bf7 34.Qe5 Qe5 35.fe5-+) 31.h3?? (31.Rg3 Rad8 32.Re1=+) 31...Nge5! 32.fe5 (32.Rg3 Nf3! 33.Rf3 Qa1 34.Kg2 Rf6-+) 32...Rf3 33.Rf1 (33.Re1 Rh3 34.Bc2 Qh7 35.Bg6 Rh1 36.Kf2 Qh2 37.Kf3 Ne5 (37...Re1?! 38.Bh5 Kf8 39.Qh6 Ke7 40.Qg5 Nf6 41.Qg7 Bf7 42.Qf6 Kd7 43.Qf7 Kd8 44.Nb7 Kc8 45.Nd6 Kd8 46.Nb7 Kc8 47.Nd6 Kd8=) 38.Qe5 Rf1 39.Rf1 Qe5-+) 33...Rf1 34.Kf1 Rf8 35.Kg2 Qe5 (better 35...Ne5!? 36.Bd1 Nd3 37.Qe3 Nf4 38.Kh1-+) 36.Qg6 Qg7 37.Qg7 Kg7 38.Nb7 Rh8 39.Na5 (39.h4 c5-+) 39...Ne5 (39...c5 40.Nc6 a6 41.Bd1-+) 40.Kf2 (40.Nb7 Nd3-+) 40...Rh3 (40...c5 41.Bd1-+) 41.Nb7 Kf6 42.Nc5 Nc4 (42...Bg4 43.Kg2-+) 43.Ne6 Ke6 44.Ke2 Rb3! 45.ab3 Na5 46.b4 Nc4 47.Kd3 Ke5 48.Kc3 (48.Kc2 Ne3 49.Kd3 d4-+) 48...Ke4 49.Kb3 Kd4 50.Ka4 (50.Kc2 Ke3 51.Kb3 Na5 52.ba5 a6-+) 50...Nb6 (better 50...Kc3 51.b5 c5 52.b6 ab6 53.Kb5-+) 51.Ka5 Kc4 52.Ka6 Kb4 53.Ka7 Kb5 54.Kb7 d4 55.Kc7 d3 56.Kb7 (56.Kd6 d2 57.Ke6 d1Q 58.Kf5 Nd5 59.Ke4 Qf1 60.Ke5 Qf4 61.Ke6 Qf6 62.Kd7 Qe7 63.Kc8 Qc7) 56...d2 57.Ka7 (57.Kb8 d1Q 58.Ka7 Qd7 59.Kb8 Qc8 60.Ka7 Qc7) 57...d1Q 58.Kb7 (58.Kb8 Qd8 59.Kb7 Qc8 60.Ka7 Qc7) 58...c5 (58...Qd8 59.Ka7 Qc7) 59.Ka7 (59.Kc7 Qd7 60.Kb8 Qc8 61.Ka7 Qc7) 59...c4 (59...Qd7 60.Kb8 Qc8 61.Ka7 Qc7) 60.Kb7 (60.Kb8 Qd8 61.Kb7 Qc8 62.Ka7 Qc7) 60...c3 (60...Qd8 61.Ka7 Qc7) 61.Ka7 (61.Kc7 Qd7 62.Kb8 Qc8 63.Ka7 Qc7) 61...c2 (61...Qd7 62.Kb8 Qc8 63.Ka7 Qc7) 62.Kb7 (62.Kb8 Qd8 63.Kb7 Qc8 64.Ka7 Qc7) 62...c1Q (62...Qd8 63.Ka7 Qc7) 63.Ka7 (63.Kb8 Qf4 64.Kb7 Qd7) 63...Qd7 (63...Qc7) 64.Kb8 Qcc8 (64...Qf4) 0-1. ariel247 (2035) - chess96ru (2180), Rated Blitz tournament, lichess.org, 2016.

6.Qh4 f5?? 7.Be5+- Rf8 8.Bg7 Nec6? (8...d5 9.Bb5 Nec6 10.Qh7 Rf7 11.Qh8 Ke7+/-) 9.Qh7 Qe7 10.Qg6 Kd8 11.Bf8 (11.Bd5 fe4 12.Bf8 Qf8 13.Be4 Na6+-) 11...Qe4 12.Ne2 Qc4 (12...Bf8 13.Bd3 Qe7+-) 13.Bb4 (13.Bb4 Nb4 14.Qf6 Ke8 15.Qh8 Kf7 16.Na3+- (16.Qc8?! Nc2 17.Kf1 Na1+/-); worse is 13.Qf5 d6 14.Qf6 Ke8+-) 1–0. Wall,Bill – Lauro, internet, 2003.

6.Qh4 h5?? 7.Qf6+/- Rf8 8.Qe5 c6 9.a3 d6 (9...Ba5 10.Nf3+/-) 10.Qg3 (10.Qg5 Bc5 11.d4 Qb6 12.dc5 Qb2 13.cd6 Ng8 14.Bg8 Qg7+-) 10...Bc5 11.d4 Qb6 (11...d5 12.dc5 dc4 13.Qc3+/-) 12.Qc3+- (12.dc5?! Qb2 13.Qc3 Qc3 14.Nc3 dc5+=) 12...d5 13.Bd3 (worse is 13.dc5 Qc5 14.Nf3 Qc4 15.Qc4 dc4+/-) 13...Bd4? (better is 13...Bd6+/-) 14.Qd4+- c5 15.Qa4 Bd7 (15...Nd7 16.Bg7 Rf7 17.Bc3+/-) 16.Qb3 Qe6 17.Be2 (17.Qb7 Bc6 18.Bb5 Qe4 19.Ne2 Bb5 20.Qb5 Nd7+-) 17...Bc6 (17...Qe4 18.Nf3+-) 18.Nd2 Nd7 (18...Qf7 19.Bf3+-) 19.Ngf3 0-0-0 20.Ng5 Qd6 Black intends d4 (20...Qg8 21.Rd1+-) 21.Bg7 Rf4 (21...Qf4 22.Nh3 Qh4 23.Bf8 Rf8 24.Rd1+-) 22.g3 c4 (22...Rf6 23.Rd1+- (23.Bf6?! Qf6 24.Rd1 Qg5+-)) 23.Qc3 d4 (23...Rff8 24.Rd1 Qc5 25.Bd4+-) 24.Nc4 dc3 (24...Qc5 25.Bd4 Qg5 26.gf4 Qf4 27.Ba7+-) 25.Nd6 Kc7 26.gf4 Kd6 27.0-0-0 Kc7 28.Ne6 Kc8 29.Nd8 Kd8 30.f3 Kc7 (30...Ke8 31.Bc3 Nc5 32.Rd6+-) 31.Rhg1 Nc5 (31...Kd8 32.Bc3 Ke8 33.Bb4+-) 32.Bf8 (32.Bf8 Be8 33.Be7+-) 1–0. pierreo – the little rascal, ChessWorld.net, 2005.

6.Qh6 Rf8 7.Qh7+= d6 8.h4 Nbc6 (8...f5!? 9.h5 fe4 10.hg6 d5+=) 9.h5+= Bg4? (better is 9...gh5 10.Qh5 Kd7+=) 10.hg6+- Qd7?? (10...Kd7 11.g7 Rg8 12.Bg8 Qg8+-) 11.g7 Rf7 (11...0-0-0 12.gf8R Rf8+-) 12.Bf7 (12.Qh8 Ng8 13.Qg8 Ke7 14.Qf7 Kd8 15.g8Q Qe8 16.Qge8) 12...Kf7 13.g8Q 1–0. LSGUK – pieeater, ChessWorld.net, 2013.

6.Qh6 Ng8?? 7.Qg7+- Qe7 (7...d5 8.Bd5 Be6 9.Bb7 Nd7 10.Ba8 Qa8+-) 8.Qh8 Qf8 9.Qg8 (9.Bg8 h6+-) 9...Qg8 10.Bg8 Nc6 11.Bd5 (11.c3 Ba5+-) 11...Nd4 (11...Ne7 12.Bb3+-) 12.Bd4 ed4 13.Nf3 c5 (13...Bc5 14.c3+-) 14.Bb3 (14.c3 dc3 15.Nc3 Ke7+-) 14...d6 15.c3 dc3 16.dc3 Ba5 17.0-0 b5 18.Bd5 Rb8 Black intends b4 19.a4 (19.Rd1 Bg4+-) 19...b4 20.cb4 Bb4 21.Nbd2 a5 (21...Ke7 22.Rfd1+-) 22.Nc4 Kd7 23.Rfd1 Bb7 (23...Ba6 24.Rab1 Kc7 25.Rb2+-) 24.Nd6! Kd6 Decoy theme: d6 25.Bb7 Discovered attack 25...Kc7 26.Bd5 Rd8 27.Rac1 Kb6 28.Rc2 f5 (28...Rd7 29.Nd2+-) 29.Rb1 (better 29.ef5 gf5 30.Re2 Kc7+-) 29...fe4 30.Be4 g5 (30...Re8 31.Rc4+-) 31.Ne5 (31.Ng5!? Rd4 32.Bh7 Kc6+-) 31...Re8 (31...h6 32.Nd3 Rc8 33.Nb4 ab4 34.Rb4 cb4 35.Rc8+-) 32.Nc4 (32.Nd7 Ka7 33.Bc6 Rd8+-) 32...Kc7 33.f3 g4 (33...Kd7 34.Bh7 Ke7 35.Re2 Kf8 36.Re8 Ke8 37.Nd6 Kf8 38.Rd1+-) 34.Rd1 (34.Na5 Kb6 35.Nb7 gf3 36.Nc5 f2 37.Kf2 Re4 38.Ne4 Ka7 39.Rb4 Ka6 40.Rc8 Ka5 41.Rb2 Ka4 42.Ra8) 34...gf3 35.gf3 h5 (35...Rd8 36.Rd8 Kd8 37.Bh7+-) 36.Rg2 (36.Rg2 Bc3 37.Rg6 Bd4 38.Kf1+-) 1–0. BeepBeepImAJeep (2620) – Abdelkhalek, lichess.org, 2016.

6.Qf3 f5??

7.Be5+/- Rf8 8.Bg7 d5 9.ed5 Rf7 (9...Rg8 10.Bd4+/-) 10.Bc3 (10.Bd4 Qd6+/-) 10...Bc3 (10...Bd6 11.Nh3 Ng8 12.0-0+/-) 11.Nc3+- (11.Qc3?! Nd5 12.Qh8 Rf8 13.Qe5 Qe7 14.Qe7 Ne7=) 11...a6 (11...Rf6 12.Qh3+/-) 12.Nh3 (better is 12.d6 Qd6 13.Bf7 Kf7 14.Qe2+-) 12...b5? (12...Qd6 13.0-0+-) 13.Bb3 (13.d6 bc4 14.Qa8 Nec6+-) 13...c6 (13...Qd6 14.0-0+-) 14.0-0 (better is 14.dc6 Nbc6 15.Bf7 Kf7 16.Ne2+-) 14...c5?? (better is 14...Rg7+-) 15.d6! Qd6 (15...c4 16.de7 (16.Qa8 Nec6 17.Rfe1 Kf8 18.Bc4 Ra7 19.Qa7 Na7+-) 16...Re7 17.Qa8+-) 16.Bf7 Kf7 17.Qa8 b4 (17...Nec6 18.Ng5 Kg7 19.Nf3+-) 18.Na4 Qc7 (18...h6 19.Nc5! Nec6 20.d4 Qd4 21.Nb7 Bb7 22.Qb7 Qd7 23.Qd7 Nd7 24.Rfd1+-) 19.Rfe1 (19.Nc5 h6+-) 19...Bb7 (19...h6 20.Nc5! f4 21.Nd3+-) 20.Qa7 Nd5 (20...Nd7 21.Ng5 Kf6 22.Nh7 Kf7 23.Ng5 Kf6 24.f4+-) 21.Ng5 Kf6 22.Ne6 Nc6 23.Qc5 Qd7 24.Qf8 Qf7 25.Qh8 Ke7 26.Ng5 Ne5 27.Re5 Kd6 (27...Kd7 28.Nf7 Kc6 29.Qe8 Kc7 30.Qd8 Kc6 31.Qd5 Kc7 32.Re7 Kc8 33.Qb7) 28.Nf7 Kc6 29.Qd8 Nc3 (29...f4 30.Qd5 Kc7 31.Re7 Kc8 32.Qb7) 30.Qd6 1–0. marre – yrfq, internet, 2010.

7.Be5 Rf8 8.Bg7 d5 9.ed5 Rf7 10.Bc3 Qd6 11.Nh3 Bc3 12.Nc3 h6 13.0-0 a6 14.Nf4 b5 15.Bb3+- 1–0. Pereira – Pagaffy, internet, 2020.

7.Be5 Rf8 8.Bg7 d5 9.Bf8 de4?? (better 9...dc4 10.ef5 Kf8 11.fg6 Nf5+-) 10.Qb3+- Bd2 (10...Kf8 11.Qb4 Nbc6+-) 11.Nd2 Kf8 12.Ne2 (12.Qc3 Nd5 13.Qh8 Ke7 14.Qg7 Ke6 15.Bd5 Qd5+-) 12...Nbc6 (12...Kg7 13.Qc3 Kh6 14.f3+-) 13.Qa3 (13.Qc3 Ng8 14.Qh8 Nce7 15.Qh7 Qe8+-) 13...Bd7 (13...Qd6 14.Qh3 Kg7 15.Rd1+-) 14.0-0 (better 14.Qb2!? Ng8 15.Qh8 Nce7 16.Qh7 Qe8+-) 14...Ne5 15.Bb3 (15.Qb2 N7c6+-) 15...Ke8 (15...Be6 16.Rad1 Bb3 17.Nb3+-) 16.Rfd1 (16.Qb2 N7c6 17.Bd5 Qe7 18.Qb7 Rd8+-) 16...N7c6 17.Nf4 (17.Bd5 Qe7 18.Qb3 Nd8+-) 17...Qg5 (17...Qe7 18.Qb2 Qf6 19.Rab1+-) 18.Ne6 (better 18.Nd5 Rc8+-) 18...Be6 19.Be6 Nd4 (19...Rd8 20.Nf1 Qe7 21.Rd8 Nd8 22.Qa4 Nec6 23.Bb3+-) 20.Bc4 (20.Qa4 Ndc6 21.Nc4 Nc4 22.Qc4 Nd8+-) 20...Ndf3 (20...Rd8 21.Qc5 Nec6 22.Bd5+-) 21.Nf3 Nf3 (21...ef3 22.g3 Nc4 23.Qa4 Kf8 24.Qc4+-) 22.Kh1 Nh2 (22...Nd2 23.Qa4 c6 24.Ba6+-) 23.Kh2 (23.Qb2 Qe7 24.Qh8 Qf8 25.Qh7 Qf6 26.Qg8 Ke7 27.Qa8 Qd6 28.Rd6 cd6 29.Qb7 Kf6 30.Qf7 Kg5 31.Kh2 f4 32.Qe7 Kf5 33.Be6 Ke5 34.Rd1 f3 35.Rd5 Kf4 36.Qd6) 23...Qh4 (23...e3 24.g3 f4 25.Qc3 Qh6 26.Kg2+-) 24.Kg1 f4 (24...Qf6 25.Rab1 Rb8 26.Qa7+-) 25.Qh3 (better 25.Qb2 Qe7 26.Qh8 Qf8 27.Qh7+-) 25...Qh3 26.gh3 g5 (26...Rd8 27.Rd8 Kd8 28.Rd1 Ke7 29.Rd4+-) 27.Be6 (27.Rd5 Rd8+-) 27...h6 (27...Ke7 28.Bf5 e3 29.fe3+-) 28.Rd7 Kf8 (28...Rd8 29.Rc7 Rd6 30.Bf5+-) 29.Rad1 Re8 (29...e3 30.fe3 Ke8+-) 30.Rd8 (30.Rf7 Kg8 31.Bb3 Ra8 32.Rdd7 h5 33.Rg7 Kf8 34.Rg8) 30...Rd8+- 31.Rd8 Ke7 32.Rd7 Ke6 33.Rc7 Kf5 (33...b5 34.Ra7 Kd5 35.Rh7+-) 34.Rb7 h5 Black plans g4 (34...a6 35.Rb6 h5 36.Ra6+-) 35.Ra7 g4 36.Ra5 Kg6 37.hg4 hg4 38.Rb5 (38.Re5 Kf6 39.Re4 Kf5+-) 38...g3 (38...Kf6 39.a4 f3 40.a5+-) 39.fg3 fg3 40.Kg2 e3 41.Kg3 e2 42.Kf2 e1Q 43.Ke1 (43.Ke1 Kg7 44.a4 Kh7 45.a5 Kg7 46.a6 Kg6 47.a7 Kg7 48.a8Q Kf7 49.Qb7 Kg6 50.Qc6 Kf7 51.Rb7 Kf8 52.Qc8) 1-0. Ollecram (1855) - sayf12366 (1680), Rated Classical game, lichess.org, 2014.

6.Qh6 Nec6

7.Qg7+= Rf8 8.Qh7 d5? 9.Qg6+- Ke7 10.Bd5 Be6 11.Be6 Ke6 12.Nf3 Nd7?! (12...Rg8 13.Qf5 Ke7 14.Qh7 Ke6 15.c3+-) 13.Nc3 (13.a3 Bc5 14.Ng5 Kd6 15.Nf7 Rf7 16.Qf7 Qg8 17.Qg8 Rg8+-) 13...Bc3 (13...Kd6 14.Rd1+-) 14.Bc3 (14.dc3 Nc5 15.Ba3 b6 16.Bc5 bc5 17.Ng5 Ke7+-) 14...Ke7 15.Rd1 Rg8 (15...Qe8 16.Qe8 Rae8 17.h4+-) 16.Qh7 Kf8 17.d4 Rg7 (17...Qe7 18.Qe7 Ke7 19.d5+-) 18.Qh8 Rg8 (18...Kf7 19.Qh3 Qc8 20.d5+-) 19.Qh6 Kf7 (19...Ke8 20.Qh7 Rg2 21.de5+-) 20.de5 Nce5 (20...Qe8 21.Qh7 Rg7 22.e6 Qe6 23.Ng5 fg5 24.Rd7 Qd7 25.Qg7 Ke8 26.Qg8 Ke7 27.Qg5 Ke8 28.Qg8 Ke7 29.Qa8+-) 21.Be5 fe5 (21...Qe7 22.Qh7 Rg7 23.Ng5 Kf8 24.Qh8 Rg8 25.Qh6 Rg7 26.Rd7 Qd7 27.Qf6 Kg8+-) 22.Rd7! Qd7 23.Ne5 Ke8 24.Nd7 (24.Qh5 Kd8 25.Nd7 Kd7 26.Qd5 Ke7 27.Qb7 Rgc8+-) 24...Kd7 25.0-0 (25.0-0 Rad8 26.f4+-) 1-0. opperwezen (2550) - ariel247 (2085), lichess.org, 2016.

7.Qg7+= Rf8 8.Qh7 Ne7 9.h4 (9.Nf3 c6 10.Nh4 d5 11.Ng6 dc4 12.Nf8+=) 9...c6 10.h5 d5 11.Bd3 (11.ed5 cd5 12.Bd3 Qb6 13.Bg6 Kd8+=) 11...de4 (11...gh5 12.Qh5= (12.ed5 Qb6 13.Nh3 Nd5 14.Qh5 Kd8 15.Bc3+=)) 12.Be4 gh5 13.Rh5 (better is 13.Qh5!? Kd7 14.Nc3=) 13...Qb6-/+ 14.Nf3 (better is 14.Nc3!? Bc5 15.Na4 Bf2 16.Kf1 Qb5 17.Kf2 Qa4 18.Ke1-/+) 14...Bc5-+ 15.Ba3 (better is 15.Be5 fe5 16.Re5-+) 15...Ba3 (15...Bf2?! 16.Ke2 Bc5 17.Qg7-/+) 16.Na3 Qb2 17.Nc4 (17.Bg6 Kd8 18.Rb1 Qa3 19.Bf7-+) 17...Qa1 18.Ke2 Nd7 (18...Bg4 19.Nd6 Kd7 20.Bf5 Kd6 21.Bg4-+) 19.Qg7 (19.Nd6 Kd8 20.Nf7 Kc7-+) 19...Qa2 20.Rh7 (20.Nd6 Kd8 21.d4-+) 20...Qc4 (20...Qc4 21.Kd1 Rf7 22.Qh8 Nf8 23.Rf7 Qf7-+) 0–1. wvmaniac (2465) – pierred (2645), net–chess.com, 2008.

7.Qg7+= Rf8 8.Qh7 g5 9.h4 Qe7 10.Qg6 Kd8 11.hg5 fg5 (11...Bc5!?+/-) 12.Rh7 Qf6 13.Qf6 Rf6 14.Nf3 g4 (14...Rf8 15.Ng5 d6 16.c3+-) 15.Ne5 (15.Be5?! Rf8 16.Bg7 gf3 17.gf3 Re8+/-) 15...Ne5 16.Be5 Rf8 17.Nc3 Bc3 18.Bc3 Nc6 19.0-0-0 (19.Ke2 d6+-) 19...b6 (better is 19...Rf2 20.Rf1 Rf1 21.Bf1 d6+-) 20.Rdh1 Bb7 21.f3! gf3 22.gf3 a6 (22...Rf3 23.Rg1 Rf8 24.Rgg7+-) 23.Rh8 (23.R1h6!? d6+-) 23...Ke7 24.R1h7 Kd6 25.e5! Kc5 (25...Ne5 26.Rh6 Double attack (26.Rh6 Decoy)) 26.Rf8+- Rf8 27.Be2 Bc8 28.a4 (28.Rh4!? Rg8+-) 28...Nd4 29.Bd4 Kd4 30.c3 (30.Rh5!?+/-) 30...Ke5= 31.d4 Kf4 32.Kd2 Re8 33.Rf7 Kg5 34.f4 Kg6 35.Bc4 b5? (better is 35...Rh8!?+/-) 36.ab5+- ab5 37.Bb3 (better is 37.f5 Kg5 38.Bb5+-) 37...c6 38.f5 Kg5 39.Bc2 Rh8 40.Rg7 Kf6 41.Rg6 Kf7 42.Rd6 (42.Bb3!? Ke8 43.d5+=) 42...Ke7= 43.Rg6 Rh2 44.Kc1 d6 45.f6 Kf7 46.Rg7 Kf6 47.Rg6 (47.Rc7!? Bf5 48.Bf5 Kf5 49.Rc6=) 47...Ke7-/+ 48.Rg7 Ke6 (better is 48...Kd8!?-/+) 49.Rg6= Kd7?? (better is 49...Kf7 50.Rd6 Rh1 51.Kb2 Rh2=) 50.Bf5+- Kc7 51.Rg7 Kb8 52.Rg8 Rh1 53.Kc2 Rg1 54.Rg1 (better is 54.Rc8 Kb7 55.Rd8 Rg2 56.Kb3+-) 54...Bf5+/- 55.Kb3 Kc7 56.Rg7 Kb6. elektrooon – bolekg, kurnik, 2013.

6.Qf3 Nec6

7.a3 Bd6 8.Ne2 b6 (8...Bc5 9.c3=+) 9.0-0= Bc5 10.c3 Ba6 11.Ba6 Na6 12.d4 ed4 13.cd4 Bd6 14.e5 (14.Nbc3 0-0=) 14...fe5=+ 15.de5 Be5 (better 15...Rf8 16.Qg3 Be7=+) 16.Be5+/- Ne5 17.Qe4 d6 18.f4 (better 18.Qa4 c6 19.Qa6+/-) 18...Nc5= 19.Qe3 Ncd3 (better 19...0-0 20.fe5 Rf1 21.Kf1 Qh4=+) 20.fe5+/- Ne5 21.Nbc3 Qd7 22.Rad1 (22.Nd5 0-0-0+/-) 22...0-0-0 23.Nd4 c5? (better 23...Rhf8!?+/-) 24.Ndb5+- Qe7 25.Nd5 Qg7 26.a4 (26.Qe4 Qb7 27.Rf6 c4+-) 26...Rd7 (26...Kb8 27.a5! Nc4 28.Qf4+-) 27.Nf6 Nc4 (27...Re7 28.a5 Nc4 29.Qf4+-) 28.Qh3 (better 28.Qe4 Rb7 29.Qc4 Kb8+-) 28...a6 (28...Rhd8+-) 29.Qd7 (better 29.Nd6 Nd6 30.Rd6+-) 29...Qd7+= 30.Nd7 ab5 31.Rf8 (better 31.Nb6!? Nb6 32.ab5+/-) 31...Rf8= 32.Nf8 ba4 33.Nh7 Kb7 (33...Kc7 34.Rd3=) 34.Kf2 (34.Nf8 g5+=) 34...Kc6= 35.Ke2 a3 (35...b5 36.Nf8 Ne5 37.Ra1=) 36.Nf6 (better 36.Nf8!? g5 37.Nh7+=) 36...b5=+ 37.h4 (37.Ng8!? Kd7 38.Nf6 Ke6 39.Nh7=+) 37...b4-/+ 38.Kd3?? (better 38.g4 b3 39.Nd5-+) 38...Nb2-+ 39.Kc2 Nd1 40.Kd1 a2 0-1. Ollecram (1880) - Fui_7 (1655), Rated Classical game, lichess.org, 2013.

7.Qb3 Qe7 8.Nf3 (8.a3 Bc5+=) 8...Na5-/+ 9.Qd3 Nc4 10.Qc4 b6 (10...Nc6 11.Nc3-/+) 11.Nc3+= Ba6 12.Qb3 (12.Nb5 Bb5 13.Qb5 Nc6+=) 12...c6 (12...Nc6 13.Nd5 Qd6 14.c3=) 13.d3+= Qc5 (13...d5 14.ed5 cd5 15.0-0 Bc3 16.Bc3+=) 14.0-0 d5 15.ed5 Bc3 16.Bc3 Qd5 17.Rfe1 Nd7 (17...0-0 18.Bd2+=) 18.Qb2 (18.Bd2 0-0+=) 18...0-0-0 (18...c5 19.Bd2+=) 19.a4= Rhe8 (19...g5 20.a5 b5 21.Re4=) 20.Nd2 (20.a5 b5=) 20...f5 (20...Bb7 21.a5=) 21.Re3 (21.a5 b5 22.Re3+=) 21...Nc5 (21...Bb7 22.a5=) 22.Re5 (22.a5 b5 23.Be5 Nd7+/-) 22...Re5+= 23.Be5 Bd3 24.Bf6 (24.cd3? Nd3 25.Qc3 Ne5-+) 24...Re8 25.cd3 Re2? (better is 25...Nd3!? 26.Qc3 Nf4+/-) 26.Bg5+- Qd3 (26...Nd3 27.Qh8 Kb7 28.a5 Rf2 29.a6 Kc7 30.Qh7 Qd7 31.Qd7 Kd7 32.Ra3 Rd2 33.Bd2+-) 27.Qh8 (27.a5 b5+-) 27...Kb7 28.Nf3 Ne4 (28...Qd7+-) 29.Be3?? (29.Qg7 Ka6 30.a5 Ra2 31.ab6 Ra1 32.Qa1 Kb6+-) 29...f4?? (29...Re3!? 30.Qh7 Ka6 31.Qg6 Rf3 32.gf3 Qf3=) 30.Qd4 (better is 30.Qh7 Ka6 31.Bf4+-) 30...Qc2?? Now all is on f2 (better is 30...Qd4 31.Nd4 Rb2 32.Bf4 Rf2+/-) 31.Rc1 (31.Qd7 Ka6 32.Nd4 fe3 33.Nc2 Rc2 34.Qd3 Kb7 35.Qc2 ef2 36.Kf1 Nc5+-) 31...fe3 32.Rc2 Rc2 Threatening mate: Rc1 33.Qe3 Nf2 (33...Rc4 34.h4 Ka6 35.Qd3+-) 34.Nd2 (better is 34.Qb3 Nh3 35.gh3 Rc1 36.Kf2+-) 34...Ng4 35.Qe7 Ka6 36.Qe2 (better is 36.Nf1 h5 37.h3+-) 36...Ka5 (36...Kb7+-) 37.Nc4 (37.Nb3 Ka4 38.Qc2 Ne3+-) 37...Kb4 (37...Rc4 38.Qc4 Ne5 39.Qe4+-) 1–0. Adam,Horst_Dieter – Lochmann,Rolf, 5. Eckbauer Open, 2002.

7.Nc3 Nd4 8.Qd1 Nbc6=+.

7.Ne2 Rf8 A) 8.c3 A1) 8...Ba5 9.0-0 (9.Bc1 f5 10.d3 Qh4 11.ef5 Bb6 12.Qg3 Qg3-/+ ; 9.d3 f5 10.Bc1 Qh4 11.ef5 Bb6 12.Qg3 Qg3-/+ ; 9.Ng3 d6 10.Nf5 Bb6 11.Na3 Na5 12.Ng3 f5-/+) 9...d6 10.Ng3 f5 11.ef5 Qh4 12.d4 gf5+=; A2) 8...Be7 9.d4 f5 10.d5 Na5 11.Bd3 fe4 12.Qe4 d6-/+ ; B) 8.Nbc3; C) 8.0-0 f5 9.ef5 (9.Qe3 d6 10.d4 fe4 11.de5 Bc5 12.Qe4 de5-/+ ; 9.c3 Ba5 10.ef5 Qh4 11.Qd5 gf5 12.d4 d6+= ) 9...d6 10.Qb3 Rf5 11.d4 ed4 12.Bd3 Rf8+=.

7.Nh3 Na5 8.Be5 (8.Bd5!? Nbc6 9.0-0=+) 8...Nc4-/+ 9.Bf6 0-0?? (better 9...Rf8 10.Bd8 Rf3 11.gf3 Kd8-/+) 10.Bd8+- (10.Bd8 Rf3 11.gf3+-) 1-0. _roman (1700) - Red_Allert (1690), Rated Blitz game, lichess.org, 2013.

7.Nh3 Bc5 8.0-0 d6 9.Ng5 Qe7 10.Nf7 Rf8 11.Nh6 f5-/+.

7.Nh3 d6 8.0-0 Qe7 (8...f5 9.ef5 Bf5 10.Qb3-/+) 9.c3 Bc5 10.Ba3 (10.d3 Na5 11.Bd5 c6-/+) 10...Be6 (10...Ba3 11.Na3 f5 12.Bd5-/+) 11.Be6+= Qe6 12.Bc5 dc5 13.d3 (13.Na3 Nd7-/+) 13...0-0 (13...g5 14.Qh5 Kd8 15.f3+=) 14.Nd2 Nd7 15.Rfb1 (15.Qg3 Rad8+=) 15...Nb6 (15...Rab8 16.Qg3+=) 16.Qe3 (16.a4 a5+=) 16...Qe7 (16...Qd6 17.Nb3 Na4 18.Nc1-/+) 17.a4+= a5 18.f4 (18.Rb5 Rad8+=) 18...Rab8 (18...Rad8 19.Rf1-/+) 19.Rf1 White intends f5 (19.f5 gf5 20.ef5 Qd7-/+) 19...Nd7 (19...f5 20.ef5 Rf5 21.Ne4-/+) 20.f5+= g5 (20...Nb6 21.Qg3 g5 22.Nf2+=) 21.Nc4= b6 (21...Rfd8 22.Rab1=) 22.Rab1 Rfd8 23.Nf2 Nf8 (23...Qf7 24.Qf3=) 24.Qg3+= h5 25.Rb5 (25.Ne3 h4 26.Qg4 Nd7=) 25...Rd7 (25...h4 26.Qf3=) 26.Rfb1 (26.Qf3 Qf7=) 26...Rbd8 27.R5b3 Qf7 (27...h4 28.Qe3=) 28.Ne3 h4 (28...Rd6 29.Qf3=) 29.Qf3 Kg7 30.Qh3 Qh5 (30...Rd3 31.Nd3 Rd3 32.c4=) 31.R1b2 (31.Nd5 Nh7=) 31...Na7 (31...Rd3 32.Nd3 Rd3 33.g4+=) 32.Rd2 (32.Nd5 Nh7=) 32...Nc8 33.Rb1 (33.Rbb2 Nd6 34.Rd1 Nh7=) 33...Nd6 34.Rbd1 (34.Nd5 c4 35.Ng4 Nh7=) 34...Nc8 (34...c6 35.Rb1=) 35.Nfg4 Ne7 (35...Qf7 36.Nd5 Rd6 37.Rb1=) 36.Nf6+= Kf6 37.Ng4 Kg7 (37...Kf7 38.Ne5 Ke8 39.Nd7 Nd7 40.d4+=) 38.f6= Kg8?? (better is 38...Kh8 39.fe7 Re7=) 39.fe7+- Re7 (39...Qh8 40.ed8R Rd8+-) 40.Nf6 (40.Nf6 Kg7 41.Nh5 Kg6 42.Qg4+-) 1–0. kamret (2240) – zzz11, GameColony.com, 2003.

7.a3 Bc5

8.Ne2 a6 9.Nbc3 (9.0-0 d6+=) 9...b5 (9...d6 10.0-0+=) 10.Bd5 Ra7 (10...Bb7 11.0-0+=) 11.0-0 Nd4 12.Nd4 Bd4 13.Rab1 c6 14.Bb3 a5 (14...f5 15.Rfe1 d6 16.ef5 Bf5 17.Nb5 ab5 18.Bd4 Ra3 19.Be5 de5 20.Re5 Kd7 21.Be6 Be6 22.Qa3+=) 15.Qg3 (15.a4 b4 16.Ne2 Bb2 17.Rb2 Ba6+=) 15...Bb7 (15...Na6 16.a4 b4 17.Ne2 Bb2 18.Rb2+=) 16.d3 (16.Ne2 Bb2 17.Rb2 c5=) 16...a4 17.Ba2 Na6 (17...Ra8 18.Nb5 cb5 19.Bd4 ed4 20.Rb5-/+) 18.Ne2 Bb2 19.Rb2 Qe7 20.Qh4 (20.Qe3!? Ra8 21.d4+=) 20...Rf8-/+ (worse is 20...Qa3 21.Qf6 Rf8 22.Qe5 Qe7 23.Qg3=) 21.Rfb1 (21.Ra1 Kd8 22.Bb1 f5-/+) 21...Nc7 (21...f5 22.Qe7 Ke7 23.ef5 gf5 24.d4-/+) 22.Qh6 (22.d4+=) 22...d5 (22...g5 23.Ng3 Qa3 24.Nf5-/+) 23.c4 (23.ed5 cd5 24.c4 Qa3 25.cb5 Ne6 (25...Qd3?? 26.b6 Ra6 27.bc7+-) 26.Qh7 Qe7 (26...Qd3? 27.b6 Ra5 28.Qb7+-) 27.Qg6 Qf7 28.Qf7 Kf7+=) 23...Bc8 (23...d4!?-/+) 24.ed5 (better is 24.cd5 cd5 25.Bd5 Nd5 26.ed5 Qa3 27.Qe3=) 24...cd5?? (better is 24...Qa3 25.dc6 b4=) 25.cb5+- Qa3 26.b6 Rb7 27.Qc1 (27.Qh7 Qd3 28.Rc1 Ne6 29.Rc8 Nd8-/+) 27...Kd8 28.bc7 Rc7 29.Qe1 (29.Qd2 d4+-) 29...Qd6 (29...Qd3 30.Rd2 Qf5 31.Rd5 Ke8 32.Qa5+-) 30.Qa5 (30.Nc3 a3 31.Rb6 Rc6 32.Nd5 Rb6 33.Rb6 Qc5+-) 30...a3 (30...Ke8 31.Bd5 a3 32.Rb8+-) 31.Rb5 Ke8 (31...Be6 32.Bd5 Bd7 33.R5b4+-) 32.Rd5 (32.Bd5?! Rc2 33.Rb8 Rc7+-) 32...Qc6 33.Qa3 Rh8 34.Bc4 Qe6 (34...Rb7 35.Bb5 Rb5 36.Rdb5+-) 35.Rb8 (better is 35.Rd8! Kd8 36.Be6 Ke8+-) 35...Qe7 (35...Rc4 36.dc4 Kf7 37.Qc5+-) 36.Qa6 Kf8 37.Rc8 (37.Rd7 Rd7 38.Qc8 Rd8 39.Qd8 Qd8 40.Rd8 Kg7 41.Rh8 Kh8+-) 37...Rc8 38.Qc8 Kg7 39.Rd7 Rc8 40.Re7 Kh6 41.f4 ef4 42.Nf4 f5 (42...Rb8 43.Nd5 f5 44.h4+-) 43.Kf2 (43.Ne6 Rb8+-) 43...Kg5 (43...Rb8 44.Ne6+-) 44.g3 Rh8 (44...Kh6 45.Ne6 g5 46.Rf7+-) 45.Kf3 (45.h4 Kh6+-) 45...Kf6 (45...Kh6 46.Nd5+-) 46.Nd5 Kg5 47.h4 Kh6 48.Nf6 g5 49.h5 f4 (49...g4 50.Kf4 Re8 51.Rh7) 50.Ng4 Kh5 51.Bf7 1–0. mtrc – Caissa, internet, 2002.

8.Ne2 Nd4 9.Nd4 ed4 10.0-0 Nc6 11.Qg3 Ne5 12.Ba2 h5 13.f4 Ng4 14.h3 d3 15.Kh1 dc2 16.Nc3 c6 17.Qh4 Nh6 18.f5 g5 19.Qh5 Kf8 20.e5 d5 21.ed6 Bd4 (21...Qd6 22.Ne4 Qe7 23.Bf6+-) 22.Rfe1 Bd7 (22...Bf5? 23.Re7 Qe7 24.de7 Ke7 25.Qe2 Kd7 26.Qc4+-) 23.Rac1 Be8 (23...Bf5? 24.Re7 Qe7 25.de7 Ke7 26.Nd5 cd5 27.Bd4+-) 24.Qf3 Nf7 25.Rc2 Nd6 26.Na4 Bb2 27.Nc5 Bd7 28.Rb2 b6 29.Re6 (29.Nd7 Qd7 30.Be6 Qe8+/-) 29...Ne8 (29...bc5 30.Rd6 Qe7+=) 30.Nd7+/- Qd7 31.Qc3 Rh6 32.Rb4 Rc8 33.Rbe4 c5 34.Kg1 b5 35.h4! c4 (35...gh4 36.Re7 Combination; 35...Rh4 36.Rf6 Mate attack) 36.hg5 Rh5 (36...Rh7 37.Re8! Re8 38.Qf6 Qf7 39.Qd6 Kg8 40.g6 Re4 41.gf7 Rf7 42.Qb8 Kg7 43.Qb5+-) 37.Qb4 (37.gf6 a5 38.Qa5 Rd8+-) 37...Kg8 38.gf6 Nf6 39.Rf6 Rg5 40.Bc4! bc4 (40...bc4 41.Rg6 Decoy; 40...Rc4 41.Qf8 Mate attack) 41.Rc4 a5 42.Rc8 Qc8 43.Qb3 Kh8 44.Qe3 Rg4 (44...Rg7 45.Rh6 Kg8 46.f6+-) 45.Re6 Qc1 46.Kf2 (46.Kf2 Qh1 47.Rh6 Qh6 48.Qh6 Kg8 49.Qe6 Kh7 50.f6 Rf4 51.Kg3 Rf6 52.Qf6+-) 1–0. Rook,Detlef (2230) – Gierth,Karlheinz (2230), IECG, 2009.

8.Ne2 Nd4 9.Nd4 Bd4 (9...ed4 10.Qd3+=) 10.c3 (10.Bd4 ed4 11.Qd3 Nc6+=) 10...Bb6+= 11.0-0 (11.d3 d6+=) 11...d6 (11...Nc6 12.d3+=) 12.d4 Qe7 (12...Nc6 13.Rd1+=) 13.a4 (13.Nd2 Nc6=) 13...a5 (13...Nc6 14.Bd5 Na5 15.Nd2+=) 14.Na3 (14.Nd2 Rf8=) 14...Be6 (14...h5 15.Qg3 g5 16.Qd3+=) 15.Bd3 (15.Rab1 0-0=) 15...Nd7 (15...Qf7 16.d5 Bc8 17.Nc4=) 16.Nc4 0-0 (16...h5 17.Rab1=) 17.Qg3+=. Krivchenya – Lerner, SU, 1959.

8.Ne2 d6 9.0-0 Nd7 10.Ba2 Nb6 11.Nbc3 Kf8 12.Nd5 Kg7 13.c3 Nd5 14.ed5 Nb8 15.Rae1 Re8 16.d4 Bb6 17.c4 Ba5 18.de5 fe5 (worse is 18...Re5 19.Be5 Be1 20.Qf6 (worse is 20.Re1 fe5 21.Qg3 Nd7+=) 20...Qf6 21.Bf6 Kf6 22.Re1+=) 19.Bc3 Bb6 20.Qg3 Nd7 21.Bb1 Nf6 22.Nf4 (22.Kh1 Nh5 23.Qd3 Kg8-/+) 22...Qe7 (22...ef4 23.Re8 Qe8 24.Qf4+=) 23.Ng6 (23.a4 Qf7 24.a5 ef4 25.Qf4 Ba5 26.Ba5 Bg4=) 23...hg6 24.Qg6 Kf8 (better is 24...Kh8!?-/+) 25.Re5 de5 26.Bb4 Ng8 (26...Bc5!? 27.Bc5 Qc5 28.Qf6 Kg8 29.Qg6 Kf8 30.Qf6 Kg8 31.Qg6 Kf8 32.Qf6=) 27.Be7+= Re7 28.Qh5 Bd4 29.Kh1 Bd7 30.Bg6 Rg7 31.f4 e4 32.f5 e3 33.g4 Nf6 34.Qh8 Ng8 35.Qh4 Bc3 36.Rf3 Bd4 37.Rf4 c5 38.Re4 Ba4 39.Qg3 Rd7 40.g5 b5 41.f6 Bc2 42.Rd4 Bg6 (worse is 42...cd4 43.Bc2 e2 44.Bf5+- (44.cb5 Rc8 45.Kg2 e1R 46.Qe1 Rc2 47.Kg3 Rd5+/-)) 43.Rd1 Re8 44.Re1 bc4 45.Re3 Re3 46.Qe3 Rd5 47.h4 a5 48.Qf3 Rd4 49.Qa8 Kf7 50.Qa7 (50.Qa5? Rh4 51.Kg2 Rg4 52.Kf3 Rg5 53.Qa7 Kf6 54.Qa6 Ke7 55.Qa7 Kf8 56.Qb8 Kf7-+) 50...Ke6 51.Qc5 (51.Qa5 Rh4 52.Kg2 Rg4 53.Kh2 Rg5 54.Qa6 Ke5 55.Qc4 Nf6 56.Qc5 Nd5-/+) 51...Rh4 52.Kg2 Bf7 53.Kg3 Re4 54.a4 Bg6 (better is 54...Re5 55.Qc8 Kd6+-) 55.Kf3 c3 56.Qc3 Re5 (56...Kf5 57.Qa5 Re5+-) 57.Qc8 Kf7 58.Qd7 Ne7 59.Qc7 Re6 60.fe7 Re7 61.Qa5 Kg8 62.Qb6 Bf7 (62...Bh5 63.Kf4 Rf7 64.Ke5 Re7 65.Kd4+-) 63.g6 Be8 64.a5 Kg7 65.Qd6 (65.Qd6 Rd7 66.Qe5 Kf8 67.a6+-) 1–0. Kural,A_Serhat (2190) – Jenkinson,Simon W (2055), ICCF, 2010.

8.Ne2 d6 9.0-0 Nd7 10.c3 a6 11.d4 Ba7 12.Nd2 Nb6 13.Bb3 f5 14.ef5 Bf5 (14...gf5?? 15.Qh5 Kd7 16.Qf5 Ke8 17.Qf7) 15.de5 (15.Ng3 Qg5 16.Nde4 Be4 17.Qe4 Qf4+=) 15...Rf8 (better is 15...de5!? 16.Ne4 Qh4-/+) 16.ed6 Qd6 17.Ne4 (17.Qe3 Qe5 18.Nd4 Qe3 19.fe3 Na5=) 17...Qe5 18.N2g3 0-0-0 (18...Be6 19.Qd1 Rd8 20.Qc2 Bb3 21.Qb3=) 19.Rfe1 (19.Nf5 Qf5 20.Qf5 gf5 21.Ng5+/-) 19...Be4+= 20.Qe4 Qe4 (20...Qb5 21.Qc2 Rf2 22.Kf2 Rd2 23.Qd2 Nc4 24.Ke2 Nd2 25.Kd2 Qb3-+) 21.Ne4= (worse is 21.Re4 Nc4 22.Re2 Rf2 23.Rf2 Rd2 24.Bc4 Rf2-/+) 21...Nd7 22.Rad1 Nc5 23.Nc5 Bc5 24.Rd8 Rd8 25.Re2 Kb8 26.Kf1 Na5 27.Ba2 Rd1 ½–½. Gross,Wilhelm – Richter, corr, 1985.

8.Ne2 d6 9.Nbc3 Na5 (9...Nd7 10.Na4-/+) 10.Ba2=+ c6 (10...Nbc6 11.Na4=) 11.d4 (11.Na4!? Nd7 12.Nc5 Nc5 13.d4=) 11...ed4=+ 12.Nd4?? White gets deadly initiative (better 12.Nd1=+) 12...Bd4-+ 13.Rd1 Be5 14.Nb5 Qe7?? (14...cb5 15.Be5) 15.Nd6 Bd6 A deflection (15...Qd6 16.Rd6) 16.Bf6 A double attack (16.Qf6 Rf8 (16...Ba3?? 17.Bf7 Qf7 18.Rd8; 16...Qe4 17.Kf1 Nc4 18.Qh8 Bf8 19.Qc3 Ne3 20.Qe3 Qe3 21.fe3+-) 17.Qd6 b6-/+ (17...Qe4? 18.Kf1 Nd7 19.Re1 Qe1 20.Ke1+-)) 16...Qf8 (16...Bg4 17.Qg4 Qf6 18.Rd6 Qd6 19.Qc8 Ke7 20.Qh8 Qa3 21.Qh7 Ke8 22.Qg6 Kd8 23.Qg8 Kc7 24.0-0=+) 17.Bh8 Qf3 18.gf3 Ke7 (18...Ba3!? 19.Bg8 Nd7-/+) 19.e5= Bc5?? (better 19...Bc7 20.Bf6 Ke8=) 20.Bf6 Ke8 21.Rd8 1–0. sirgeshdb (1985) – ossi777 (1910), lichess.org, 2020.

8.Ne2 Rf8 9.0-0 a6 10.Nbc3 Nd4 11.Nd4 Bd4 12.Rab1 Bc5 13.Ne2 b5 14.Bd5 c6 15.Ba2 Qe7 16.d4 ed4 17.Nd4 Bb7 18.Rfe1 Bd4 19.Bd4 c5 20.Bb2 Nc6 21.a4 b4 22.Rbd1 0-0-0 23.c3 f5= 24.ef5 Qg5 25.Bb1 Nd4 26.Qg3=+ Qg3 27.hg3 Nf5 28.cb4 cb4 29.g4 Nh4 30.Be4 d5 31.Bd3 d4 32.Re7 h6 33.Rc1= Kb8 34.Rc4 a5 35.Bd4 Rfe8 36.Be5 Ka7 37.Re8 Re8 38.Rc5 h5?? 39.Ra5+- Kb6 40.Rb5 Ka7 41.Bd4 Ka8 42.Ra5 Kb8 43.Be5 Re5 44.Re5 Bg2 45.Rb5 Kc7 46.gh5 (46.gh5 Bc6 47.hg6 Nf3 48.Kf1 Bb5 49.ab5 Nh2 50.Ke2+-) 1–0. fightinbluehen (2360) – docut (2060), net–chess.com, 2002.

7.a3 Nd4??

8.Bd4+- Bd2 9.Kd2 ed4 10.Ne2 Nc6+-.

8.Bd4+- Bd2 9.Nd2 ed4 10.Ne2 Nc6 11.Ba2 (11.Qd3 b6+-) 11...d6 12.0-0 Ne5 (12...Qe7 13.Qd3+-) 13.Qb3 Qe7 14.f4 Ng4 (14...Nd7 15.Nd4 Nc5 16.Qf3+-) 15.Nd4 c5 (15...a6 16.Qc3+-) 16.Nb5 (16.N4f3 b6+-) 16...a6 17.Nd6! Qd6 18.Qf7 Kd8 19.Nc4?? (better 19.Rad1 Qd4 20.Kh1+-) 19...Qd4-+ 20.Kh1?? (20.Ne3 Qe3 21.Kh1-+) 20...Bd7 (20...Nf2 21.Kg1 Nh3 22.Kh1 Qg1 23.Rg1 Nf2) 21.Qd5 (better 21.c3 Qd3 22.Bb3 Qe4 23.Nb6+-) 21...Qd5 (21...Nf2 22.Rf2 Qa1 23.Bb1 Qb1 24.Qd1 Qd1 25.Rf1 Qf1) 22.ed5= Kc7 (22...b5 23.h3 Nh6 24.Nd6=) 23.h3+= Nh6 24.Rab1 (24.d6 Kc6=) 24...b5=+ 25.Ne3 (25.Nd2 Rhe8 26.Rfe1 Nf5=+) 25...Nf5 (25...Rae8 26.Rfe1-/+) 26.Nf5 (26.d6!? Nd6 27.Nd5 Kb7 28.Nf6=) 26...Bf5=+ 27.Rbc1 (27.Rb2 c4 28.Rd1 Rhe8-/+) 27...Be4 (27...c4 28.Rfd1 Rad8-/+) 28.Kg1? (28.Rfe1 Rhe8 29.c4 Kd6=+) 28...f5 (better 28...c4!?-+) 29.c4=+ Rhd8 30.cb5 Kb6 (30...Kd6 31.ba6 Ra6 32.Rf2=+) 31.ba6= Ra6 (31...Bd5 32.Bd5 Rd5=) 32.Bb1 (better 32.Rf2!?+=) 32...Bd5 (better 32...Rd5 33.Rfe1 Rd4 34.Be4 fe4-/+) 33.g4? (33.Rc3 Ra4=+) 33...Be4 (better 33...Ra3 34.Kh2 Be4-+) 34.gf5 Bf5 35.Bf5 gf5 36.Rcd1 (36.Rf3!?=+) 36...Rg8 (36...Rd1 37.Rd1 Ra3 38.Rd6 Kb5 39.Rd5-+) 37.Kf2 Ra3 (37...Ra4 38.Rd6 Kc7 39.Rd3 Rf4 40.Rf3 Rf3 41.Kf3-/+) 38.Rb1 (better 38.Rd6!? Ka7 39.Rd7 Ka6 40.Rh7=+) 38...Kc6-+ 39.Rfe1 Rh3 (39...Ra2 40.Kf1 Ra4 41.Re6 Kd7 42.Rbb6 Rf4 43.Ke2 Rg2 44.Ke3-+) 40.Re6-/+ Kd5 (40...Kd7 41.Rf6 Ra8 42.Rb7 Kc8 43.Rg7 Ra2 44.Kg1-+) 41.Re5 Kd4 42.Rf5 (42.Rd1 Rd3 43.Rd3 Kd3 44.Rc5 Ke4 45.Rc4 Kd5-/+) 42...Rh2 (42...c4!? 43.Rf7 c3 44.Rd1 Kc4 45.f5-+) 43.Kf3-/+ c4 44.Rd1 Kc3 45.Rc5 (45.Rc1!? Rc2 46.Rh1-/+) 45...Rh3 46.Kf2 Rd3?? (46...Kc2 47.Rdd5 c3 48.f5-+) 47.Rd3?? (better 47.Rc1 Kd2 48.R1c4+=) 47...Kd3-+ 48.f5? (48.Rd5 Kc2 49.Rd7-+) 48...c3 49.Rd5 Kc4 50.Rd7 c2 51.Rc7 Kd3 52.Rd7 Kc3 53.Rc7 Kd2 54.Rd7 Kc1 55.f6 (55.Rb7 Rf8-+) 55...Rb8 (better 55...Rc8 56.Rh7 Kd2 57.Rh1-+) 56.f7 (56.Rc7-+) 56...Kb1 57.Rb7 Rb7 58.f8Q c1Q 59.Qf3 (59.Qf5 Qc2 60.Qc2 Kc2 61.Kg3-+) 59…Qd2 (59...Qd2 60.Kf1 Rb2 61.Qe4 Ka1 62.Qa8 Ra2 63.Qh8 Kb1 64.Qh7 Kc1 65.Qc7 Rc2 66.Qc2 Kc2 67.Kg1 Kd3 68.Kh1 Ke4 69.Kg1 Kf3 70.Kf1 Qd1) 0-1. Ollecram (1845) – Ltltlt, Rated Classical game, lichess.org, 2013.

8.Bd4+- ed4 9.ab4 d6 (9...Nc6 10.Ne2+-) 10.Ne2 Nc6 (10...c5 11.Nf4+-) 11.b5 (11.Bb5!? Bd7 12.Bc6 Bc6 13.Nd4 Bd7+-) 11...Ne5 12.Qb3 Qe7 13.f3 c6 14.bc6 bc6 15.Nd4 f5 (15...d5 16.Ba6+-) 16.Nc3 (16.0-0 Rf8+-) 16...Bd7 (16...fe4 17.fe4 Rf8 18.Ba6+-) 17.Qb7 Rd8 18.Bb3 fe4 (18...Qg5 19.g3 f4 20.Nce2 fg3 21.hg3+-) 19.Ne4 (better 19.f4 e3 20.0-0+- (20.fe5 Qh4 21.Ke2 Qf2 22.Kd3 Qd2 23.Ke4 d5 24.Nd5 cd5 25.Bd5 Bf5 26.Nf5 gf5 27.Kf5 Rd5 28.Qc8 Rd8 29.Qe6 Kf8+-; 20.Qa7 Ng4 21.Nf3 d5+-; 20.Ra7 d5+-; worse 20.de3 Ng4+-)) 19...d5 20.Ng3?? (better 20.Qc7 de4 A) 21.Qa7?! c5 22.f4 e3=+ (22...cd4 23.fe5 Qe5 24.Ra5+-); B) 21.Ra5+-) 20...Nf3-/+ 21.Kf2 Nd4 Threatening mate: 0-0 22.Rhe1 (22.Ra7?? 0-0 23.Nf5 Rf5 24.Kg3 Qg5 25.Kh3 Rf3) 22...0-0 23.Kg1 Qf6 (better 23...Qc5 24.Kh1 Nb5-/+ (worse 24...Nc2 25.Bc2 Qc2 26.Re7+=)) 24.Bd5?? (better 24.Rf1 Qg7 25.Qa7= (25.Ra7? Rf1 26.Nf1 Ne2 27.Kf2 Qd4 28.Ke1 Nf4-+)) 24...cd5-+ 25.Qd5 (25.Rf1 Qb6 26.Qb6 ab6 27.Rf8 Kf8-+) 25...Kh8 (25...Be6!? 26.Qc5 Qf2 27.Kh1-+) 26.Rf1 (26.Ne4 Qb6 27.Reb1 Bb5 28.Qe5 Kg8-+) 26...Bf5 27.Qa2 Qb6 28.Nf5 (28.Qa7 Ne2 29.Kh1 Ng3 30.hg3 Qa7 31.Ra7 Bc2 (31...Rd2?! 32.g4=+) 32.Rf8 Rf8-+) 28...Rf5 (better 28...Nf5 29.Kh1 Rd2-+) 29.Qc4?? (29.Kh1-+) 29...Nc2 30.Kh1 Na1 31.Rf5 (31.Qc3 Qd4 32.Ra1-+) 31...gf5 32.Qc3 Kg8 (32...Qd4 33.h3-+) 33.Qc4 (33.Qa1 Rd2 34.Qe1 Kf7-+) 33...Kg7 34.Qc3 Qf6 (34...Qd4 35.h3-+) 35.Qc7 Kg6 36.Qg3 (36.Qf4 Qg5 37.Qc4 Rd2 38.Qg8 Kh6 39.Qe6 Kh5 40.Qe8 Qg6 41.Qg6 hg6 42.g3 Kg4 43.Kg1 Kf3 44.h3 Rg2 45.Kf1 Nc2 46.g4 Ne3 47.Ke1 Re2) 36...Kf7 (36...Qg5 37.Qg5 Kg5 38.d4-+) 37.Qc7 Kg6 (37...Qe7 38.Qc4 Kg6 39.h4-+) 38.Qg3 Qg5 39.Qc3 (39.Qf3 Rd2 40.h3 Nc2-+) 39...Kh6 (better 39...Rd2!? 40.Qc6 Kh5 41.Qe8 Qg6 42.Qg6 hg6 43.Kg1-+) 40.Qa1 Qd2 (better 40...Rd2 41.Qa6 Kh5 42.Qf1-+) 41.Qg1?? (better 41.Qf6 Kh5 42.Qf5 Qg5 43.Qh7 Kg4 44.Qe4 Qf4 45.Qg6 Qg5 46.Qe4 Qf4 47.Qg6 Qg5 48.Qe4=) 41...Qd1 (41...Rc8 42.h3 Rc1 43.Qc1 Qc1 44.Kh2 Qf4 45.Kg1 a5 46.g4 fg4 47.hg4 Qg4 48.Kf2 a4 49.Ke3 a3 50.Kf2 a2 51.Ke3 a1Q 52.Kd2 Qad4 53.Ke1 Qgd1) 42.h3 Qg1 (42...a5 43.Kh2 Qg1 44.Kg1 a4 45.Kh1 a3 46.Kg1 a2 47.h4 a1Q 48.Kf2 Rd2 49.Kg3 Qe5 50.Kf3 Qc3 51.Kf4 Rf2) 43.Kg1 Rd3 (43...a5 44.Kh2-+) 44.Kh2 (44.g4 f4 45.h4 Rg3 46.Kf1-+) 44...a5 45.h4 a4 (45...a4 46.Kh1 a3 47.Kg1 a2 48.Kf1 a1Q 49.Ke2 Qd1 50.Kf2 f4 51.g4 Rd2) 0–1. sirgeshdb (1680) – kov1304 (1930), lichess.org, 2020.

7.c3 Bc5

8.Bd5 Ne7 9.Bb3=.

8.Ne2 Na5 9.Bb3 Nbc6 10.d4 Nb3 11.ab3 ed4 12.cd4 Bb4 13.Nbc3 Na5 14.Ra4= Qe7? 15.0-0+- c6 16.d5?? 0-0?? 17.Rd1?? b6= 18.Qd3 Bc3 19.Qc3 c5 20.Ng3 d6 21.f4 Bd7 22.Ra2 Bb5 23.e5? fe5-/+ 24.fe5 de5 25.Ne4-/+ Rf4 26.d6 Qf7 27.Ng3 Rf8 28.h3? Rd4 29.Qe1 Rd1 30.Qd1 Qf2 31.Kh2 Bc6 32.Qg1 Qc2 33.Nf1 Qb1 34.Ra5 Rf1 35.Qe3 Qb2 (35...Qb2 36.Qg5 Bg2 37.Qg2 Rf2 38.Qf2 Qf2 39.Kh1 Qe1 40.Kg2 Qa5-+) 0–1. hockhin (2355) – halilgulsen (2335), net–chess.com, 2008.

8.Ne2 Na5 9.d4?? Nc4-+ 10.dc5 (10.Bc1 Bb6-+) 10...Nb2 11.0-0 (11.Nd2 Na4-+) 11...Na4 12.Nd2 (12.Qe3 Qe7-+) 12...Nc5 13.Nc4 (13.Qe3 d6-+) 13...0-0 (13...0-0 14.Ng3 d6-+) 0–1. orane – Caissa, Live Game Caissa's Web, 2005.

7.Ne2 Na5

8.Bb3 Nb3 9.ab3 c6 10.0-0 d5 11.ed5 cd5 12.Nec3? (12.Nbc3 Be6 13.Rae1-/+) 12...Be6-+ 13.Ba3 Qa5?? (better 13...Nc6-+) 14.Bb2 (better 14.Qf6 Qd8 15.Qh8 Kd7 16.Qd8 Kd8 17.Bb4+-) 14...Qd8= 15.Ba3 Qa5?? (better 15...Nc6-+) 16.Bb2 (better 16.Qf6 Kd7 17.Qh8+-) 16…Qd8= ½-½. imdrunk - vasily_herov, Rated Blitz game, lichess.org, 2015.

8.Bb3 Nb3 9.ab3 Nc6 10.c3 (10.0-0 d6 (10...0-0 11.d4 ed4 12.Nd4 Ne5 13.Qg3 d5 14.Nc3+=) 11.c3 Ba5 12.d4 Bb6 13.d5 Nb8 14.Nd2+=) 10...Bf8 (10...Be7 11.0-0 f5 12.ef5 Rf8 13.Ng3 d5 14.Ba3+=) 11.d4 (11.b4 f5 12.ef5 Qf6 13.Ng3 d6 14.b5+=) 11...Bg7 (11...ed4 12.Nd4 Ne5 13.Qe2 (13.Qd1+= Bc5 14.f4+=) 13...Bc5 14.0-0+=) 12.0-0 0-0 13.b4 (13.d5 Ne7+= 14.Bc1+=) 13...f5-/+ 14.ef5 (14.d5 Ne7-/+) 14...d5 (worse is 14...gf5 15.b5 Ne7 16.de5 Be5 17.Nf4+=) 15.Ng3 (15.Qg3!? Rf5 16.b5-/+) 15...ed4-+ 16.cd4 Bf5 17.Nf5 Rf5 (17...gf5?! 18.Rd1-/+) 18.Qb3 (18.Qd3 Qh4-+) 18...Nd4 19.Bd4 Bd4 20.Nc3 c6 21.Rad1 Qb6 22.Ne4 (22.Kh1 Re8-+ (22...Rf2 23.Rf2 Bf2 24.Nd5 cd5 25.Rd5=; 22...Bf2?! 23.Rd5 cd5 24.Nd5-+)) 22...Re8 23.Nd6 Rf2 (23...Bf2?! 24.Kh1 Ree5 25.Nf5 Rf5 26.Qc2-/+) 24.Rf2 (24.Kh1 Re3 25.Qa4 Rb2-+) 24...Bf2 25.Kh1 Re6 26.Nc8 Qd8 27.Qf3 (27.Qa2 Re1 28.Re1 Be1 29.Na7 Bb4-+) 27...Rf6 (worse is 27...Qc8 28.Qf2 a6 29.Rf1-+) 28.Qg4 Rf5 29.Rf1 (29.Na7 Ba7 30.b5 Qg5 31.Qg5 Rg5 32.bc6 bc6-+) 29...Qc8 30.Rf2 (30.Qe2 Bd4 31.Rc1 Rf2-+) 30...Qe6 (30...Qe6 31.h3 Qe1 32.Kh2 Qf2-+) 0–1. hockhin (2355) – pcmvr (2780), net–chess.com, 2008.

8.Bd5 c6 9.a3 cd5-/+ 10.ab4 de4 11.Qc3 (11.Qe4 d5 12.Qf3 Nc4 13.Bc1 Bf5 14.Qb3 Nb6-/+) 11...Nac6 12.b5 Ne7 13.Ba3 (13.Qe3 d5 14.Ra7 Nf5-/+) 13...d5 (13...d6 14.Qb3 (14.Qb4-/+ d5-/+) 14...a6-/+) 14.Be7 Ke7 15.Ra7 Black creates threats along the open a–file 15...Ra7 16.Qc5 Theme: Double Attack 16...Kf7 17.Qa7 Qc7 18.0-0 Be6 19.Nbc3 Nd7 20.d3 Nb6 21.Qa3 (21.de4?? Ra8 22.Qa8 Na8 23.ed5 Bg4-+) 21...Ra8 22.Qc1 Kg7 (22...Kg7 23.de4 d4-+) 0–1. higarra (2500) – pcmvr (2780), net–chess.com, 2008.

8.Bd5 c6 9.Be5= cd5? 10.Bf6 Qc7 11.Bh8 Qc2 12.ed5+-.

8.Bd5 c6 9.Be5= Be7 10.Bb8 Rb8 11.Bb3 Nb3 (11...d6 12.0-0 f5 13.Ng3 fe4=) 12.ab3 a5 (12...a6 13.Nf4 Qc7=) 13.0-0 0-0 (13...d6+=) 14.d4 d6 15.Nf4 Qb6 16.Rd1 g5 17.Ne2 (17.Qg3 d5 18.h4 de4=) 17...f5= 18.Nd2 fe4 19.Qe4 Bf6 20.Nc4 Qc7 21.Qd3 (21.Ra5? b5 22.Rda1 bc4-+) 21...d5 22.Ne3 (worse is 22.Na5 b6 23.Nc6 Qc6-/+) 22...b6 23.Ng3 Qf4 24.Nh5 Qh4 25.Nf6 Rf6 26.Rd2 Ra8 27.c4 Rh6 28.Nf1 Qf4 29.Re1 Ba6 30.Re5 Kh8 31.g3 Qf7 32.Ne3 Rf6 33.Rg5 Rf3 34.Re5 a4 35.Ra2 Rf8 36.Qe2 (36.Ra4 Rf2 37.Ra1 Qf3+/-) 36...ab3 (36...dc4!? 37.bc4 b5+/-) 37.Ra6 Rf2 38.Qd1 b5 (38...b5 39.Qb3 Qf3-+) 0–1. higarra (2500) – pierred (2645), net–chess.com, 2008.

8.Bd5 c6 9.Be5= Be7 10.Bb8 cd5 11.Bf4 de4 12.Qe4= d5 13.Qf3 d4=.

8.Bd5 d6 9.a3 Bc5 10.d4+= c6 11.Ba2 ed4 12.Nd4 Qb6 13.Nb3 Nb3+=.

8.Bd5 Rf8 9.a3 Be7 10.0-0 c6 11.Ba2 Qb6 12.Qc3 Na6 13.d4 ed4 14.Qd4 Qb5 15.Re1 Bc5 16.Qc3 Qb6 17.Rf1 Bd6 18.Nd4 Nc5 19.Qb4 Qc7 20.Nf3 Ncb3 21.cb3 Bb4 22.ab4 Nb3 23.Bb3 Qb6 24.Nbd2 a6 25.Rfd1 Qb5 26.Nc4 Qb4 27.Nd6 Kd8 28.Rd3 (28.Nc8 Qb3 29.Ba3 Kc8 30.Bf8 Qe6-/+) 28...Qb6 (28...b5+-) 29.Ba3 c5 30.Rc1 Qa5 31.Bd5 (better is 31.Bc5 b6 32.Bd5+-) 31...Qb6 (31...Ke7+-) 32.Bc5 Qa5 (32...Qb2 33.Rdc3 f5 34.Ba3 Qa3 35.Ra3+- (35.Nc8?! Qc1 36.Rc1 Rc8 37.Rc8 Kc8=)) 33.Ba3 Qa4 34.Rdc3 Qa3 35.Ra3 (35.Nc8?! Qc3 36.Rc3 Rc8 37.Rc8 Kc8=; 35.Rc8?? Rc8 36.Rc8 Ke7-+) 35...Ke7 36.Nb7 (36.Nc4 d6+-) 36...Bb7 37.Bb7 (37.Bb7 Ra7 38.Ba6+-) 1–0. orane – Caissa, 2003.

8.Bd5 Rf8 9.a3 Be7 10.0-0 c6 11.Ba2 Qb6 12.Bc3 Na6 13.d4 ed4 14.Bd4 c5 15.Be3 Qb2 16.Nbc3 Nc6?! (16...c4 17.Nd5 Rf7+-) 17.Rfb1 Qc2 18.Bb3 Qd3 19.Rd1 Nd4 20.Rd3 (20.Bd4?! Qf3 21.gf3 cd4 22.Nd4 Nc5=; 20.Nd4?! Qc3 21.Rac1 Qb2+/-) 20...Nf3 21.gf3 f5 (21...g5 22.Ng3+-) 22.e5 g5 23.f4 g4 24.Nb5 (24.Nb5 Kd8 25.Nec3+-) 1–0. orane – Caissa, 2003.

8.Bd5 Rf8 9.a3 Be7 10.d4 c6 11.Ba2 Qb6 12.Bc3 ed4 13.Bd4 c5 14.Bc3 Nbc6 15.Qe3 c4 16.Qb6 ab6 17.Nf4 Kf7 18.Nd2 b5 19.Rb1 Bd6 (19...Nb3 20.cb3 Ra3 21.Ra1+/-) 20.Nd5 Be5 21.Be5 fe5 22.Nc7 Ra6 23.Rb5 (worse is 23.Na6 ba6 24.a4 Na7+/-) 23...Ra7 (23...Nd4 24.Re5 Nac6 25.Bc4 Kg7 26.Ba6 Nc2 27.Kd1 Ne5 28.Kc2 ba6 29.f3+-) 24.Rb6 (worse is 24.Nc4 Nc4 25.Bc4 Kg7+/-) 24...Kg7 25.c3 g5 (25...Nb3 26.Nc4 (worse is 26.Nb3 cb3 27.Rb3 Ra4+/-) 26...Nc5 27.f3+-) 26.Nb5 (26.Bc4?! Nc4 27.Nc4 Ra4+/-) 26...Ra8 27.Bc4 Ra6 28.Ra6 ba6 29.Nd6 Ne7 30.Be2 Nb7 31.N2c4 Nd6 32.Nd6 Ng6 33.g3 Kf6 34.c4 h6 35.c5 Rh8 (35...Ne7 36.h4+-) 36.Kd2 Ne7 37.Rb1 Nc6 38.Rb6 h5 39.Ke3 (39.Ba6?! Ba6 40.Ra6 Rb8+-) 39...g4 40.f4 (40.Ba6?! Ba6 41.Ra6 Rb8+-) 40...gf3 41.Kf3 h4 42.gh4 a5 43.Bc4 Rf8 44.Kg4 Kg7 45.h3 Kh7 46.Be6 Ne7 (46...Nd4 47.Bf5 Kg7 48.h5+-) 47.Bf5 Kg7 48.Kg5 Rg8 49.h5 Rf8 (49...Nf5 50.ef5 Kh7 51.Kf6+-) 50.h6 Kh8 51.Rb8 Rg8 (51...a4 52.h7+-) 52.Kh5 Nf5 (52...Rf8 53.Bd7! Rg8 54.Rc8 Rc8 55.Bc8 Kg8+-) 53.ef5 (53.Nc8 Ng3 54.Kh4 Ne4-+; 53.Rc8?! Ng3 54.Kh4 Rc8 55.Nc8 Ne4+=) 53...e4 54.f6 Rg3 55.f7 Rh3 56.Kg4 Rf3 57.Nf5 Rf4 58.Kf4 Kh7 59.f8Q Kg6 60.Qg7 Kh5 61.Qg4+-. orane – Caissa, internet, 2003.

8.Bd5 Rf8 9.a3 Be7 10.d4 c6 11.Ba2 Qb6 12.Bc3 ed4 13.Nd4 c5 14.Ne2 Nbc6 15.Nf4 Nd4 16.Qd1 Nb5 17.Nd5 Qd8 18.Bd2 Bd6 19.0-0 Be5 20.c3 Nc6 (20...c4!? 21.Qa4 a6+-) 21.Bh6+- Rh8? (21...Qa5+-) 22.f4 Bb8 23.e5! fe5 (23...Be5 24.fe5) 24.fe5 Be5 (24...Ne5 25.Nf6 Qf6 26.Rf6 c4+-) 25.Qf3 Qe7 26.Ne7 Ke7 27.Re1 Nc3 (27...Re8 28.Qf7 Kd8 29.Bg5 Kc7 30.Qe8 d6+-) 28.Nc3 d5 29.Bg5 Ke8 30.Qd5 Rf8 31.Re5 Be6 32.Qe6 Ne7 33.Qe7 1–0. orane (2145) – Caissa (1920), Live Game Caissa's Web, 2004.

7.Ne2 a6

8.Nbc3 Na5

9.Bd3 Nac6

10.Bc4 Na5

11.Bd3 Nac6

12.0-0-0 b5

13.a3 Bc3 14.Nc3 Nd4 15.Qe3 c5 16.Nd5 Bb7-/+.

13.a3 Bc5 14.h4 b4 15.ab4 Nb4 16.h5 g5-/+.

13.a3 Bd6 14.Nd5 Rf8 15.Qh3 Rf7 16.Qe3 Ne7-/+.

13.a3 Be7 14.Nd5 d6 (14...Bb7 15.h4 b4 16.a4 Na5+=) 15.Ne7 (15.Kb1 Be6 (15...0-0-/+ 16.h4 f5+=) 16.h4 b4-/+; 15.h4 h5 16.Rhf1 Be6-/+) 15...Qe7 (15...Ne7?! 16.Qf6 Rf8 17.Qh4+=) 16.Nc3 Nd4 17.Qe3 c6 18.Ne2 Ne6 19.Nc3 Nd7 20.f3 Nf4 (20...a5!? 21.Ne2-+) 21.Bf1-/+ Ne6 22.Bd3 Ndc5 23.Bf1 Bb7 24.Qe1 a5 25.d3 (25.Ne2 Na4-+) 25...b4 26.ab4 ab4 27.Ne2 Na6 (27...b3 28.cb3 Nb3 29.Kc2-+) 28.h4 c5 29.g4 (29.h5 g5-+) 29...Nd4 (29...h5 30.Qg3-+) 30.Nd4 ed4 (30...cd4 31.Kd2-+) 31.h5 g5 32.Kd2 Qe5 33.Bg2 Qf4 34.Ke2 0-0 35.Ra1 Rae8 (35...Nc7 36.Qd2 Qe5 37.Rhe1-+) 36.Bc1-/+ Qe5 37.Bd2 h6 38.f4 gf4 (38...Qe6!?-/+) 39.Qf2 Kh7 (39...f5 40.Bf4 fg4 41.Be5 Rf2 42.Kf2 de5 43.Bf1+=) 40.Bf4 (40.Kd1 Rg8 41.Bf4 Qe7=) 40...Qe6+= 41.Bh3 (41.Kd2 A) 41...Qg4 42.Bh3 (42.Bd6?! f5 43.Bf8 Rf8+=) 42...Qg7 43.Rag1+-; B) 41...Rg8=) 41...d5 42.g5 (42.g5 f5 43.g6 Kg7 44.e5+=). Bonetti,Shane – guest641, ICC, 2002.

13.a3 Bf8 14.h4 Bc5 15.h5 g5 16.Nd5 Rf8-/+.

13.Kb1 Bc5 (13...Rf8 14.Nd5 d6 15.h4 Bc5 16.h5 g5+=; 13...d6 14.Nd5 Nd7 15.c3 Bc5 16.Bc2 Rb8-/+; 13...Bc3 14.Bc3 d6 15.h4 h5 16.Qg3 Rh6-/+; 13...Bb7 14.Nd5 Be7 15.h4 Nb4 16.Nb4 Bb4+=) 14.Nd5 Rf8 15.Qg3 d6 16.f4 Be6-/+.

13.Nd5 Rf8 (13...Be7+= 14.h4 Rg8 15.h5 g5 16.Ng3 Nb4+=; 13...0-0 14.c3 Bc5 15.Bc2 d6 16.d4 Ba7+=; 13...Kf7 14.g4 Rf8 15.h4 Kg8 16.Qg3 d6=) 14.c3 Bc5 15.Bc2 d6 16.d4 Ba7+=.

13.g4 Bc5 (13...Bb7 14.h4 Bc5 15.Nd5 Rf8 16.h5 g5+=; 13...Bc3 14.Nc3 Nd4 15.Qg3 d6 16.f4 Be6-/+; 13...d6 14.Nd5 0-0 15.h4 Bc5 16.h5 g5-/+; 13...0-0 14.h4 Bc5 15.h5 g5 16.a4 Na5-/+) 14.Nd5 Rf8 15.Qh3 Rf7 16.Qg3 d6-/+.

13.h3 Bc5 (13...d6; 13...Rf8; 13...Bc3; 13...0-0) 14.Nd5 Rf8 15.Qg3 d6 16.Qh4 Rf7-/+.

13.h4 Bc3 (13...d6 14.Nd5 0-0 15.h5 g5 16.Ng3 Bc5+=; 13...Rf8 14.h5 Bc5 15.hg6 hg6 16.Rh6 d6=; 13...Rg8 14.Nd5 Be7 15.h5 g5 16.Ng3 Nb4+=; 13...Bc5 14.Nd5 Rf8 15.h5 g5 16.Ng3 Nd4+=) 14.Bc3 d6 15.h5 g5 16.Kb1 Be6-/+.

7.Ne2 b6

8.0-0 Na5 9.Bb3 Nb3 10.ab3 Bb7 11.Nbc3 a6 12.Nd5 Bd5 13.ed5-/+.

8.c3 Be7 9.Bd5 (9.d4 Na5 10.Bd3 Bb7 11.Nd2 d5 12.ed5 Bd5 13.Qh3=) 9...Bb7 (9...Rf8 10.d4 Ba6 11.Qh3 Rh8 12.Qf3 ed4 13.cd4=) 10.0-0 (10.d4 Na6+= (10...a6 11.0-0 Bd6 12.Nd2 Na5 13.Bb7=) 11.0-0 ed4 12.cd4 Nab4 13.Nbc3=) 10...Na5+= (10...Na6 11.d3 Na5 12.Bb7 Nb7 13.d4=) 11.Bb7 Nb7 12.d4 Nc6 13.Nd2 0-0 14.Qe3 d6 (14...Nd6 15.f4+=) 15.d5= Nb8 16.f4 Nd7 17.f5 Rf7 18.Qh3 Bf8 19.Rf3 Bg7 20.Raf1 Nf8 21.Qg4 Nc5 22.Ba3 Ncd7 (22...c6 23.c4=) 23.c4 a6 24.Nc3 Qe7 25.Nb3 Re8 26.Rh3 Ra8 27.Bc1 Nc5 28.Ba3 b5 (better is 28...Qd7!?=) 29.Nc5+/- dc5 30.cb5 g5 (30...ab5!? 31.fg6 hg6 32.Nb5 f5 33.ef5 gf5+/-) 31.Rc1 Nd7 32.ba6 Ra6 33.Nb5 c6 34.Nc7 (34.Nc7 Ra7 35.Rd3+/-) 1–0. higarra (2500) – wvmaniac (2465), net–chess.com, 2008.

8.Bd5 A) 8...Bb7 9.0-0 (9.c3 Be7 10.d4 Na6 11.0-0 ed4 12.cd4 Nab4 13.Nbc3=) 9...a6 (9...Rf8 10.c3 Be7 11.d4 Na6 12.Ng3 ed4 13.Nf5=) 10.c3 Bd6 11.d4 Qe7 12.a4 Ra7 13.Nd2=; B) 8...Na6; C) 8...Bc5; D) 8...Rf8; E) 8...a6 9.0-0 Rf8 (9...Bd6 10.Na3 Qe7 11.Nc4 Bc5 12.c3 b5 13.d4=; 9...Bc5 10.c3 Be7 11.d4 Bb7 12.Ng3 Qc8 13.Nd2=; 9...Bb7 10.c3 Be7 11.d4 Qc8 12.Bc1 ed4 13.cd4=; 9...Qe7) 10.d4 ed4 11.Nd4 Nd4 12.Bd4 Nc6 13.Bc6+=.

7.Ne2 Bc5

8.0-0 Na5!? 9.Bd5 c6 10.Be5 Be7 (10...cd5? 11.Bf6 Rf8 12.Bd8 Rf3 13.Ba5+-) 11.Bb8 cd5=.

8.0-0 Na6 9.a3+= Nab8 (9...Kf8 10.Nbc3+/-) 10.Nbc3+/- Na5 11.Bd5 (11.Ba2 Nbc6+/-) 11...c6 12.Ba2 b5 13.d4 (13.Rad1 Nc4 14.Bc1 Na6+=) 13...ed4 14.Nd1 (14.Nb1 d6 15.Nd4 Nc4 16.Bc4 bc4+=) 14...Nc4+= Exerts pressure on the isolated pawn 15.Bc4 (worse is 15.Bd4 Bd4 16.Nd4 Nd2-/+) 15...bc4 16.Nd4 (16.Bd4 Bd4 17.Nd4 Na6+=) 16...Ba6 (16...Na6 17.Ne3 0-0 18.Nc4+=) 17.Bc3+/- 0-0 18.Ne3 Qe7 19.Rfd1 (19.Rab1 Ba3 20.Rfd1 h5+/-) 19...Bc8 (better is 19...d6!?+/-) 20.Ndf5 gf5 (20...Qe6 21.Nh6 Kg7 22.Qf4 Be3 23.Qe3+=) 21.Nf5 Qe6?? (21...Qe8 22.Bd4 d5 23.Bc5 Bf5 24.Qf5 Rf7 25.ed5 cd5 26.Qd5 Qc6+-) 22.Qg4 Kf7 23.Qh5 Kg8 24.Nh6 Kh8 25.Qc5 Qe8 (25...d6 26.Rd6 Nd7 27.Re6 Nc5 28.Rf6 Kg7 29.Rc6 Rf6 30.Bf6 Kh6 31.Rc5 Bb7 32.Rc4 Kg6+-) 26.Rd6 Qe7 (26...Rg8 27.Rf6 Qe5 28.Be5 Rg2 29.Kg2 d6 30.Rd6) 27.Rf6 Kg7 (27...Rf6 28.Qe7 Na6 29.Bf6) 28.Qg5 (28.Qg5 Kh8 29.Rf8) 1–0. wiking – pessoa, internet, 2010.

8.Ba3 Ba3 9.Na3 d6 10.Rb1 Nd7 11.Bd5 Na5 12.d4 c6+=.

8.Nbc3 d6 9.Nd5 Nd7 10.Bc3 Rf8 (10...Ne7 11.d4 Nd5 12.Bd5 ed4 13.Nd4=+) 11.0-0 (11.Qh3!? h5 12.Qe6 Ne7 13.Qe7 Qe7 14.Nc7 Kd8 15.Ne6 Qe6 16.Be6=) 11...Nb6 12.Nb6 ab6 13.Rad1 b5 (13...f5!? 14.Bd5 Ra3-/+) 14.Bb5=.

8.d3=.

8.0-0 d6

9.Ba3 Na5 10.Bd5 Ba3 11.Na3 c6 12.Bb3 Qe7+=.

9.Nbc3 Na5 10.Bb3 Nb3 11.ab3 Nc6+=.

9.Nbc3 f5 10.ef5 Bf5 11.Ne4 Qh4 12.d3 Be4-/+.

9.d3 Na5 10.Bb5 c6 11.Ba4 f5 12.Nbc3 0-0 13.Qg3 Na6 14.Bc1 (14.ef5!? Bf5 15.Ne4-/+) 14...f4-+.

9.Rd1 f5

10.ef5 gf5?? 11.Qh5 Kd7 12.Qf5 Ke8 13.Qf7.

10.ef5 Qf6

11.Nbc3 gf5?! 12.Nd5 Qg7 13.Ng3=.

11.Nbc3 Qf5

12.Qf5 Bf5 13.Nd5 Kd8 14.Rac1 Nb4-/+.

7.Ne2 d6

8.0-0 Na5 9.Bb3 Nb3 10.ab3 Nc6 (10...0-0 11.d4 ed4 12.Nd4 Nd7+=) 11.c3 Bc5 (11...Ba5 12.d4 Bb6+=) 12.d4 Bb6 13.b4 (13.d5 Nb8+=) 13...0-0 (13...ed4 14.Nd4 Ne5 15.Qg3-/+) 14.Nd2 a6 15.d5 Ne7 16.Nc4 Ba7 17.h4 (better is 17.Bc1!?-/+) 17...f5-+ 18.h5 (18.Ne3 fe4 19.Qe4 Nf5-+) 18...fe4 19.Qe4 Bf5 (worse is 19...gh5 20.Ne3-+) 20.Qh4?! (20.Qf3-+) 20...Bd3 (20...Nd5?! 21.Qg3-+) 21.Ng3 (21.Rae1 Be2 22.hg6 hg6 23.Re2-+) 21...Rf4 22.Qg5 (22.Qh3 Bc4 23.Qe6 Kh8-+) 22...Bf1 23.Rf1 Rc4 24.Qf6 (24.hg6 Ng6 25.Qf5 Qf8 26.Qe6 Kh8-+) 24...Qd7 25.hg6 hg6 26.Bc1 Rf8 27.Qg5 (27.Nh5 Rf7 28.Qe6 Qe6 29.de6 Rf2 30.Rf2 gh5 31.Bd2-+) 27...Rg4 28.Qh6 Rg3 (28...Rg3 29.Qh4 Rc3-+) 0–1. hockhin (2355) – pierred (2645), net–chess.com, 2008.

8.0-0 Bc5 9.c3=.

8.Ba3 Ba3 (8...Rf8) 9.Na3 Rf8 10.Rb1 f5 11.ef5 Rf5 12.Qe3 Qg5+=.

8.c3 Ba5 9.Ng3 (9.0-0 Rf8 10.Ng3 Bb6 11.d3 h5 12.h3 f5-/+) 9...h5 10.h3 Bb6 11.0-0 Na5 12.Na3 Nc4+=.

8.Nbc3 Nd7 (8...Na5) 9.Nd5 Bc5 10.Bc3 Nd4 11.Nd4 ed4 12.Ba5 b6-/+.

8.0-0 Nd7

9.Bb3 A) 9...Nc5 10.c3 (10.Bd5 Ba5 11.Bc3 Bb6 12.d4 Nd7 13.Bc6+=; 10.a3 Nb3 11.cb3 Bc5 12.Nbc3 a6 13.b4-/+; 10.d4 ed4 11.Bd4 Nd4 12.Nd4 Qe7 13.Bd5+=; 10.Bc4 f5 11.ef5 Bf5 12.c3 Ba5 13.d4-/+) 10...Ba5 11.d4 Nb3 12.ab3 ed4 13.cd4=; B) 9...Rf8 10.Ba4 (10.d4 f5 11.ef5 Rf5 12.Qe3 Qh4 13.a3+= ; 10.c3 Ba5 11.Ng3 Bb6 12.Nf5 Nc5 13.Bd5-/+; 10.a3 Bc5 11.Be6 Nb6 12.Bd5 Bd7 13.Bc6-/+; 10.Bd5 Ne7 11.Bb3 f5 12.d4 fe4 13.Qe4+=) 10...f5 11.Bc6 bc6 12.ef5 Rb8 13.d4+=; C) 9...Bc5 10.Bd5 (10.c3 Bb6 11.d4 Rf8 12.Bc2 f5 13.ef5+= ; 10.Nbc3 Nb6 11.Na4 Na4 12.Ba4 Bd7 13.c3+=; 10.Ba3 Nb6 11.Bc5 dc5 12.Na3 Qd2 13.Rfd1+=; 10.a3 Rf8 11.Be6 Nb6 12.Bd5 Bd7 13.Bc6-/+) 10...Rb8 11.c3 a6 12.d4 Ba7 13.Nd2+=; D) 9...a5 10.a4 (10.Bd5 Bc5 11.c3 Ba7 12.Na3 Nb6 13.Nb5+= ; 10.c3 Bc5 11.d4 Bb6 12.Bd5 a4 13.Na3=; 10.a3; 10.Nbc3) 10...Nc5 11.Bd5 Ne6 12.Be6 Be6 13.c3+/-; E) 9...Nb6 10.Rd1 (10.d4 ed4 11.Nd4 Ne5 12.Qe2 Bc5 13.Rd1-/+ ; 10.Re1 Rf8 11.Qe3 f5 12.ef5 Bf5 13.c3+=; 10.c3 Ba5 11.d4 f5 12.ef5 Bf5 13.Ng3+=; 10.Nbc3 f5 11.Rae1 Rf8 12.Qh3 h5 13.Qg3-/+) 10...f5 11.d4 Qh4 12.a3 Ba5 13.ef5+=.

9.c3 A) 9...Bc5 10.d4 (10.Bd5 a6 11.d4 Ba7 12.Nd2 Nb6 13.Bc6+=; 10.Bb3 Qe7 11.d4 Bb6 12.Nd2 Rf8 13.Nc4+=; 10.Ba3 Bb6 11.d3 Rf8 12.Ng3 Na5 13.Bd5+=; 10.Na3 Na5 11.Bb3 f5 12.ef5 Nb3 13.ab3+=) 10...Bb6 11.Bd5 Qe7 12.Nd2 Rf8 13.Nc4+=; B) 9...Nb6 10.Bb5 (10.Bb3 Ba5 11.d4 f5 12.ef5 Bf5 13.Ng3+=; 10.Bd5 Ba5 11.Na3 Bd7 12.Nc4 Nc4 13.Bc4-/+; 10.Bd3 Ba5 11.Bb5 a6 12.Bc6 bc6 13.Na3-/+; 10.cb4 Nc4 11.Bc3 h5 12.b5 Nb8 13.Qg3+=) 10...Ba5 11.d4 a6 12.Bc6 bc6 13.Nd2+=; C) 9...Na5 10.Bf7 (10.Be6 Bc5 11.d4 Bb6 12.Nd2 Qe7 13.Qh3+= ; 10.Bb5 Bc5 11.d4 Bb6 12.Bc1 0-0 13.Bh6+=; 10.Bd5 Bc5 11.d4 Bb6 12.Nd2 Qe7 13.a3+=; 10.Bb3 Bc5 11.d4 Bb6 12.Nd2 Nb3 13.ab3+=) 10...Kf7 11.cb4 Nc6 12.b5 Ne7 13.Nbc3=; D) 9...Ba5 10.d4 (10.Na3 Nb6 11.Bb5 a6 12.Bc6 bc6 13.d4+=; 10.d3 Nb6 11.Bb5 0-0 12.Nd2 Nd4 13.cd4+=; 10.Ng3 h5 11.d4 Nb6 12.Bb3 h4 13.Ne2-/+; 10.Bb3 Rf8 11.Ng3 Bb6 12.Nf5 Nc5 13.Bd5-/+) 10...Nb6 11.Bb5 a6 12.Bc6 bc6 13.Nd2+=.

9.Nbc3 A) 9...Rb8 10.Be6 (10.a3 Nb6 11.Bb3 Bc5 12.Nd5 Nd5 13.Bd5+= ; 10.Bb3 Nb6 11.Nd5 Nd5 12.ed5 Na5 13.d4+=; 10.Rfe1 Nb6 11.Bb3 Na5 12.d3 c6 13.Bc1+=; 10.Rad1 Nb6 11.Bb3 Na5 12.a3 Bc5 13.d4+=) 10...Nc5 11.Bc8 Rc8 12.Nd5 f5 13.Nb4=; B) 9...Na5 10.Be6 (10.Bd5 Nb6 11.d4 c6 12.a3 cd5 13.ab4+= ; 10.Bb3 c6 11.Be6 Nb6 12.Bc8 Rc8 13.d3-/+; 10.Bd3 Nb6 11.a3 Bc5 12.Nd5 0-0 13.Nb6-/+; 10.Bb5 c6 11.Bd3 Nb6 12.Rab1 Be6 13.a3-/+) 10...Nb6 11.Bc8 Rc8 12.d3 c6 13.Rab1+=; C) 9...Bc5 10.Bb3 (10.Bb5 Nd4 11.Nd4 Bd4 12.Nd1 Bc5 13.Ne3+= ; 10.Rfb1 Nb6 11.Bb5 0-0 12.Na4 Na4 13.Ba4+= ; 10.Rab1 Nb6 11.Bb5 0-0 12.Na4 Na4 13.Ba4+=; 10.Na4 Nb6 11.Nb6 ab6 12.Rfd1 Qe7 13.d4+=) 10...Nb6 11.Nd5 Rf8 12.c3 Nd5 13.Bd5+=; D) 9...a6 10.Rab1 (10.Bb3 Nb6 11.d4 Nd4 12.Nd4 ed4 13.Nd5+= ; 10.Bd5 Nb6 11.Rab1 Bd7 12.d4 Nd4 13.Nd4+= ; 10.Be6 Nb6 11.Bc8 Rc8 12.Nd5 Nd5 13.ed5+=; 10.a3 Nb6 11.Bb3 Bc5 12.Nd5 Nd5 13.Bd5+=) 10...Nb6 11.Bd5 Bd7 12.d4 Nd4 13.Nd4+=; E) 9...Nb6 10.Bb5 (10.Bb3 f5 11.ef5 Bf5 12.Ng3 Rf8 13.Nf5+= ; 10.Bd5 Bc5 11.Rfd1 Bd7 12.Bc6 Bc6 13.d4+= ; 10.Bd3 0-0 11.Qg3 Bc5 12.a4 Na5 13.Nd5-/+; 10.Qd3 Nc4 11.Qc4 Bg4 12.h3 Be2 13.Qe2+=) 10...a6 11.Bc6 bc6 12.Rfb1 Bc5 13.Nc1+=.

9.d4 ed4 (9...Nd4 10.Nd4 (10.Bd4 ed4 11.Nd4 c6 12.Rd1 Ne5 13.Qb3+=) 10...ed4 11.Bd4 Qe7 12.Nc3 c6 13.a3+=; 9...Qe7 10.Nbc3 (10.c3 Ba5 11.d5 Nd8 12.Bc1 Nb6 13.Bd3+=; 10.a3 Ba5 11.d5 Nd8 12.Nbc3 a6 13.Rfb1+=; 10.d5 Na5 11.Bd3 c6 12.Nbc3 Nb6 13.Rab1+=; 10.Bd5 ed4 11.Nd4 Nd4 12.Bd4 Bc5 13.c3+=) 10...Bc3 11.Qc3 ed4 12.Nd4 Nd4 13.Qd4+=; 9...Ba5 10.c3 (10.d5 Nb4 11.Na3 f5 12.ef5 0-0 13.c3+=; 10.Bd5 Nb4 11.Bb3 ed4 12.Nd4 Ne5 13.Qe2+=; 10.Bb5 Rb8 11.Na3 ed4 12.Nd4 Nde5 13.Qb3+=; 10.Na3 ed4 11.Nd4 Nce5 12.Qd1 Qe7 13.Be2+=) 10...Bb6 11.Nd2 Rf8 12.Bd3 a6 13.Rab1=; 9...Nb6 10.Bb5 (10.Bb3; 10.Bd5; 10.Qb3) 10...Bd7 11.Qb3 Ba5 12.Qa3 Bb4 13.Qb3=) 10.Nd4 (10.Bd5 Nde5 11.Qf4 Bc5 12.Qd2 Qe7 13.Nd4-/+; 10.Bb5 Qe7 11.Nd4 Nd4 12.Bd7 Bd7 13.Bd4+=; 10.Bd4 Qe7 11.Bd5 Nd4 12.Nd4 c6 13.Be6-/+) 10...Nd4 (10...Nce5 11.Qb3 Ba5 12.Ne6 Qe7 13.Be2+=) 11.Bd4 Ne5 (11...Qe7 12.Nc3 c6 13.a3+=) 12.Qb3 Nc4 (12...Ba5 13.Nc3+=) 13.Qc4 Ba5 14.Rd1 Bd7 15.Nc3 Bc3 16.Bc3 Qe7 (16...b6 17.Rd3=) 17.Qc7 Rc8 18.Qa5 b6 (18...0-0 19.Rd4 Rc5 20.Qa3+=) 19.Qa3+/- Rc6 (19...0-0 20.f3 a5 21.Rab1+/-) 20.Bb4 0-0? (20...a5 21.Bd6 Qe6+/- (21...Qe4?? 22.Re1 Bf5 23.Re4 Be4 24.Re1+-)) 21.Bd6+- (21.Qa7?! Qe4 22.Bd6 Rf7+/-; 21.Rd6?! Rd6 22.Bd6 Qe4 23.Bf8 Bc6+-) 21...Rd6 22.Rd6 Bg4 23.Re1 Kg7 (23...Be6 24.Red1+-) 24.Qg3 Rc8 (24...Re8+-) 25.Qg4 Rc2 1–0. orane (1940) – C21H17NO3 (1800), Live Game Caissa's Web, 2003.

9.Bd5 A) 9...Qe7 10.a3 (10.c3 Ba5 11.d4 Rb8 12.Na3 Nb6 13.Ng3+= ; 10.d3 Bc5 11.c3 Na5 12.d4 Bb6 13.a3+=; 10.Rd1 Nb6 11.Bc6 bc6 12.d4 Nc4 13.Bc3+=; 10.Bc1 Nd4 11.Nd4 ed4 12.Qd3 Bc5 13.f4-/+) 10...Bc5 11.c3 Bb6 12.d4 Na5 13.Nd2+=; B) 9...Nb6 10.Qb3 (10.Bc6 bc6 11.d4 Ba6 12.c3 Ba5 13.Nd2+=; 10.a3; 10.c3; 10.d4) 10...Ba5 11.Qa3 Nb4 12.Qa5 Nc2 13.Bb3=; C) 9...Rb8 10.c3 (10.d4 Qe7 11.a3 Ba5 12.Rd1 Bb6 13.c3+= ; 10.Rd1 Nb6 11.d4 Qe7 12.a3 Ba5 13.Nbc3+=; 10.a3 Bc5 11.c3 a6 12.d4 Ba7 13.Nd2+=; 10.Re1 Nb6 11.Bc3 Bc3 12.Nbc3 Na5 13.d3+=) 10...Ba5 11.d4 Nb6 12.Nc1 ed4 13.cd4=; D) 9...Bc5 10.c3 (10.Rd1 Nd4 11.Nd4 ed4 12.Qb3 Qe7 13.Be6+= ; 10.Bc6 bc6 11.d4 ed4 12.Bd4 Ne5 13.Qc3+= ; 10.Ba3 Nd4 11.Nd4 Bd4 12.c3 Bb6 13.d3+=; 10.a3 Nb6 11.Bc6 bc6 12.Bc3 0-0 13.d4+=) 10...a6 11.d4 Ba7 12.Nd2 Nb6 13.Bc6+=; E) 9...Ne7 10.Bb3 (10.Bc4 Nb6 11.Bb3 Nc6 12.d4 ed4 13.Nd4+= ; 10.Be6 Rf8 11.c3 Ba5 12.Ng3 Nb6 13.Bc8+= ; 10.Nec3 Nd5 11.Nd5 Bc5 12.Rd1 c6 13.Ne3-/+; 10.a3 Nd5 11.ed5 Ba5 12.Bc3 Bb6 13.a4-/+) 10...f5 11.d4 Rf8 12.a3 Ba5 13.ef5+=.

7.Ne2 Qe7

8.Nbc3 Na5 9.Nd5+/- Qd6 10.Bc3 (10.Qf6 Rf8 11.Qe5 Qe5 12.Be5 Nc4 13.Nc7 Kd8+/-) 10...Bc3 (better is 10...Nc4!? 11.Bb4 c5=) 11.Nec3+/- (worse is 11.Qc3 Nc4 12.Qc4 c6+=) 11...Nc4 (better is 11...c6 12.Nf6 Kd8+/-) 12.Nb5+- Qc6 13.Nbc7 Kf7 14.Na8 d6?? (14...Na6 15.d3 Na3+/-) 15.Qf6 Kg8 16.Ne7 1–0. Trkn – MrButterbug (1665), ICC, 2004.

8.Nbc3 Bc3!? 9.Nc3 Nd4=.

8.0-0 Na5

9.Bb3 Nbc6

10.Rd1 f5 A) 11.Bd5 fe4 (11...d6; 11...Rf8; 11...Qh4; 11...Bc5) 12.Qg3 d6 13.a3 Bc5 14.Nbc3 Nd4-/+; B) 11.a3 fe4 (11...Nb3; 11...Bc5; 11...Bd6) 12.Qe4 Bc5 13.Bd5 Rf8 14.Rf1 d6-/+; C) 11.Nbc3 fe4 (11...Nb3 12.ab3 fe4 13.Qe4 Bc3 14.Nc3 d6+=; 11...d6; 11...Bc3; 11...Rf8) 12.Ne4 Rf8 13.Qe3 Nb3 14.Qb3 d6-/+; D) 11.ef5 Rf8 (11...Nb3; 11...gf5) 12.Bd5 Rf5 13.Qe4 d6 14.Ba3 Ba3-/+; E) 11.d4 Rf8 (11...ed4 12.ef5 Ne5 13.Qd5 c5 14.Ba3 Nb3+= ; 11...d6 12.Bd5 fe4 13.Qg3 ed4 14.Bd4 Rf8+=; 11...fe4 12.Qe4 Nb3 13.ab3 ed4 14.Qe7 Be7+=; 11...Nb3 12.ab3 fe4 13.Qe4 ed4 14.Qe7 Be7+=) 12.a3 fe4 13.Qe4 ed4 14.Qd3 Ne5-/+.

10.d4 Nb3 A) 11.Qb3 b6 (11...Nd4 12.Nd4 ed4 13.Bd4 Bd6 14.Rd1 c5+= ; 11...Ba5 12.Nbc3 Qd6 13.Nd5 a6 14.Rad1 Qe6+=; 11...ed4 12.Nd4 b6 13.Nb5 Kd8 14.N1c3 Na5=; 11...a6 12.a3 Bd6 13.Nbc3 b5 14.Nd5 Qe6=) 12.a3 Bd6 13.Nbc3 Ba6 14.Rfe1 Qf7+=; B) 11.cb3 0-0 (11...d6 12.Nbc3 Bc3 13.Qc3 ed4 14.Nd4 Nd4+=; 11...f5 12.d5 Nd8 13.ef5 Rf8 14.Qe4 gf5=; 11...Ba5 12.d5 Nd8 13.Na3 Bb4 14.Nc4 Bc5=; 11...ed4 12.Nd4 Ne5 13.Qe2 Bc5 14.Nc3 c6=) 12.a3 Ba5 13.d5 Nd8 14.Qg3 d6+=; C) 11.ab3 ed4 (11...Bd6 12.d5 Nb4 13.c3 Na6 14.Nd2 0-0= ; 11...f5 12.d5 Nd8 13.ef5 Rf8 14.Qe4 gf5+=; 11...Qf7 12.Nbc3 d6 13.Nd5 0-0 14.c3 Ba5=; 11...Qg7 12.Nbc3 d6 13.Nd5 f5 14.ef5 gf5=) 12.Nd4 Ne5 13.Qg3 d6 14.Nc3 c6+=.

10.d4 b6 11.d5 (11.c3 Bd6 (11...Nb3 12.ab3 Bd6 13.d5 Nd8 14.Na3 Nf7=) 12.Nd2 Ba6 13.Rfd1 Ba3 14.Ba3 Qa3=; 11.Nbc3 Nb3 (11...Bc3 12.Bc3 Ba6 13.d5 Nd4 14.Bd4 Be2=; 11...Ba6 12.Nd5 Be2 13.Qe2 Qd8 14.de5 fe5+/-; 11...Qd8 12.Nd5 Be7 13.Ne7 Qe7 14.d5 Nd8=; 11...Rf8 12.Nd5 Qd8 13.Nb4 Nb4 14.Ba3 c5=) 12.ab3 Bc3 13.Bc3 ed4 14.Nd4 Ne5=; 11.a3 Bd6 (11...Nb3) 12.Nbc3 Nb3 13.cb3 0-0 14.Nb5 ed4+=; 11.Bd5 ed4 (11...Bb7; 11...Bd6; 11...a6; 11...Rb8) 12.Nd4 Ne5 13.Qg3 c6 14.Bb3 Nac4+=) 11...Nd4 (better is 11...Nd8!?+= 12.a3 Bc5 13.Nbc3 Ba6 14.Na4 Nf7+=; 11...Nb8 12.a3 Bc5 13.Nc1 Ba6 14.Nd3 Qd6+=; 11...Nb3 12.ab3 Nd8 13.c3 Bd6 14.Na3 Nf7=) 12.Nd4+/- ed4 13.Bd4 Rf8 14.Bc3 (14.Rd1 Bd6+/-) 14...Bc3 (14...Ba6+=) 15.Nc3 Ba6 16.Rfe1 0-0-0 17.d6 Qd6 18.e5 Qc6 19.Bd5 Qc5 20.Ne4 Qc2 21.Rac1 Qd3 22.Re3 (worse is 22.Nf6 Qf3 23.Bf3 h6+=) 22...Qb5?? (better is 22...Qd4 23.Nf6 c6+=) 23.Nd6+- (23.Nd6 Kb8 24.Nb5 Bb5 25.ef6+-) 1–0. Wall,Bill – Louie,Tom, Guam, 1974.

10.d4 ed4 A) 11.Bd4 Rf8 (11...Nb3 12.ab3 Nd4 13.Nd4 Qe5 14.Qd3 Bc5+=; 11...Nd4 12.Nd4 Bd6 13.Qd3 Be5 14.f4 Bd4+=; 11...Ne5 12.Qf4 Nac6 13.c3 Ba5 14.Qg3 d6+=) 12.Nbc3 Nd4 13.Nd4 Qe5 14.Qd3 Bc3+=; B) 11.Qd3 a6 (11...Ne5 12.Qd4 Bc5 13.Qa4 Nb3 14.ab3 0-0+= ; 11...h6 12.Nd4 Nd4 13.Qd4 Nb3 14.ab3 Rf8=; 11...Nb3 12.ab3 Ne5 13.Qd4 Bc5 14.Qd2 d6+=; 11...Bc5 12.Nd4 d6 13.Nc6 Nc6 14.Nc3 Ne5+=) 12.Bd4 Nd4 13.Nd4 Nc6 14.c3 Ne5-/+; C) 11.Nf4 Nb3 (11...Qd6 12.Nd5 Rf8 13.Nb4 Nb3 14.ab3 Nb4-/+; 11...Rf8 12.Nd5 Qd6 13.Nb4 Nb3 14.ab3 Nb4-/+; 11...Qd8 12.Nd5 Be7 13.Qf4 d6 14.Rd1 f5+=; 11...Qe5 12.Nd3 Qd6 13.Bd5 Ne5 14.Ne5 fe5-/+) 12.cb3 f5 13.ef5 Bd6 14.fg6 hg6-/+; D) 11.Nd4 Nb3 (11...Qe5 12.Nc6 Qb2 13.Nb4 Qa1 14.Nc3 Qf1+-; 11...Rf8 12.Nc6 dc6 13.Bc3 Bd6 14.Rd1 Nb3+=; 11...Ne5 12.Qg3+= Bc5 13.Nc3 Bd4 14.Nd5 Bb2+=; 11...Nd4 12.Bd4 Rf8 13.c3 Nc6 14.a3 Bd6+=) 12.Nc6 dc6 13.ab3 0-0 14.Ra4 f5+=.

10.d4 Bd6 A) 11.d5 Nd8 (11...Nb4 12.a3 Na6 13.Ba2 Bc5 14.Nbc3 d6= ; 11...Nb3 12.ab3 Nb4 13.c3 Na6 14.Bc1 c6=; 11...Nb8 12.Nbc3 Na6 13.Bc1 Bb4 14.Ba4 f5=) 12.Nec3 a6 13.Rd1 Nf7 14.a3 Ng5+=; B) 11.c3 Qg7 (11...Nb3 12.ab3 f5 13.d5 fe4 14.Qe4 Nd8= ; 11...ed4 12.cd4 Nb3 13.ab3 f5 14.e5 Bb4=; 11...f5 12.d5 fe4 13.Qg3 Nd8 14.Nd2 0-0=; 11...Rf8 12.Bc1 f5 13.d5 Nd8 14.Bc2 Qf6=) 12.d5 Ne7 13.Na3 a6 14.Bc1 f5+= ; C) 11.Nbc3 Nb3 (11...f5 12.Nb5 ed4 13.ef5 Be5 14.Ned4 Rf8+=; 11...Nb4 12.Nb5 Nb3 13.ab3 Nc2 14.Rac1 Nb4+=; 11...Qf8 12.Nb5 Nb3 13.ab3 Kf7 14.Rfd1 ed4+/-; 11...Qd8 12.Nd5 Rf8 13.Rfe1 Nb4 14.Nb4 Bb4=) 12.ab3 f5 13.d5 Nb4 14.Nb5 0-0=.

10.d4 f5 11.d5 (11.ef5; 11.de5; 11.Bd5; 11.a3) 11...Nd8 (11...Nb3 12.ab3 Nd8 13.ef5 Rf8 14.Qe4 gf5+=; 11...Nb8 12.ef5 Nb3 13.ab3 0-0 14.Qe3 Rf5+=) 12.ef5 Nf7 13.Bc3 Nb3 14.Bb4 Nd4=.

10.d4 Qg7 11.Nbc3 (11.c3; 11.a3; 11.Bd5; 11.d5) 11...Bc3 (11...d6 12.Nd5 Rf8 13.Nb4 Nb4 14.Ba4 Bd7+=; 11...f5 12.Nd5 Bd6 13.de5 Ne5 14.Qc3 Nb3+/-; 11...ed4 12.Nd5 Nb3 13.ab3 Ne5 14.Qf4 Bd6+/-; 11...Nb3 12.ab3 d6 13.Nd5 f5 14.ef5 gf5=) 12.Qc3 b6 13.de5 fe5 14.Bd5 Ba6=.

6.Qf3 d5

7.Bb3 Nd7 8.ed5 Nf5 9.Ne2=+.

7.ed5 Nd5?? 8.Bd5+- c6 9.Bc4 (better is 9.Bb3 Nd7+-) 9...b5 (9...Bf5 10.Ne2+-) 10.Bb3 (10.Bb5 Bd7+-) 10...a5 (10...Qe7 11.a4+-) 11.a4 (11.Be5 Bf5 12.Bb8 Rb8 13.Qc6 Kf8+-) 11...Bf5 (11...Ra7 12.Ne2+-) 12.ab5 e4 13.Qe2 c5 (13...cb5 14.Nc3 Bc3 15.Qb5 Qd7 16.Qd7 Kd7 17.Bc3 Nc6+-) 14.g4 (better is 14.c3 Qe7 15.cb4 cb4 16.g4+-) 14...Nc6 (14...Bc8 15.Qe4 Qe7+-) 15.bc6 Qd6 (15...Bc8 16.c3+-) 16.gf5 gf5 17.Qh5 Kd8 18.Qf7 Rf8 19.Bf6! Kc8 (19...Qf6 20.Qd7 Mate attack) 20.Qb7 1–0. marre – eiqqe, internet, 2010.

7.ed5 f5 8.Be5+/- Rf8 9.d6! (9.c3 Bd6 (9...Nd7 10.d4 Ba5 11.Nd2 Nb6 12.Bb5 Bd7) 10.Bd6 Qd6 11.d4 Nd7 12.Bb3 b5; 9.Bg7 Rg8 10.Bb2 Bd6 11.Nh3 Nd7 12.0-0 Ne5; 9.a3 Bd6 10.Bd6 Qd6 11.Nc3 Nd7 12.Bb5 a6; 9.Qh3 h5 10.Qb3 Nd7 11.f4 Bd6 12.Nf3 Nc5) 9...cd6 (9...Bd6 10.Bg7 Combination 10...Nbc6 11.Bf8 Kf8 12.Bb3 Nd4; 9...cd6 10.Bg7 Combination 10...Nbc6 11.Bf8 Kf8 12.Bb3 Nd4) 10.Bg7 d5 11.Bf8 (11.Bb5 Nbc6 12.Bf8 Kf8+/-) 11...dc4 12.Bg7 Qc7 (12...Nec6 13.Qe2 Qe7 14.Nf3+/-; 12...Nbc6+/-) 13.Qe2+- Nd7 (13...b6 14.Be5 Qc6 15.Nf3+-) 14.Nf3 b5 (14...b6 15.a3 Bc5 16.0-0+-) 15.Nc3 a6 (15...Qc6 16.a4 ba4 17.0-0+-) 16.Nd5 Qc5 (16...Qd6 17.Nb4 Qb4 18.0-0+-) 17.Nb4 Qb4 18.0-0 Bb7 (18...Qd6 19.Rfe1+-) 19.Ng5 h5 (19...Qd6 20.Rfe1+- (20.Nh7?! Qd5 21.Qf3 Qf3 22.gf3 Bf3+/-)) 20.a4! Qc5 (20...ba4 21.Rfb1 Combination) 21.Rfe1 Rd8 (21...Qd6+-) 22.Qe6 (22.Qe6 Nb6 23.Qg6 Kd7 24.Qe6 Ke8 25.Qg8 Kd7 26.Qd8 Kd8 27.Ne6 Kc8 28.Nc5+-) 1–0. Wall,Bill – Aqua, Microsoft Gaming Zone, 2004.

7.ed5 Bf5 8.Ne2 (better is 8.Qb3 Bc5 9.d3=) 8...0-0?? (better is 8...Nd7 9.Qb3 Bd6=) 9.d6+- Kh8 (9...Kg7 10.Qb7 cd6 11.Qa8+-) 10.de7 (better is 10.Qb7!? Qd6 11.Qa8 Rd8+-) 10...Qe7 (10...Be7 11.d3+-) 11.a3 (11.Qb7 Nd7+-) 11...e4 (11...Bc5 12.Qb7 Nd7 13.Qc7+-) 12.Qb3 Bd6 13.0-0 (13.Ng3 Nd7+-) 13...Nd7 (13...c6 14.a4+-) 14.Ng3 (14.Qb7?! Rab8 15.Qa7 Rb2=) 14...Nc5 (14...Bg3 15.Qg3 Qd6 16.Qd6 cd6 17.Bd5+-) 15.Nf5 (15.Qe3!? Bg3 16.fg3 Na4+-) 15...Nb3 16.Ne7 Na1 17.Nd5 Be5 18.Be5 fe5 19.Ne3 (19.Nc7?! Rac8 20.Ne6 Rf7+-) 19...b5 (19...Rad8 20.Nc3 Nc2 21.Nc2 Rd2 22.Ne3+-) 20.Bd5 (20.Bb5 Rad8+-) 20...Rad8 21.Nc3 c6 (21...Nc2 22.Nc2 Rd6 23.Nb4+-) 22.Bc6 (22.Ra1?! cd5 23.Ncd5 Rf7+-) 22...Rd2 (22...Nc2 23.Nc2 Rd2 24.Ne3+- (24.Be4?! Rc8 25.Nd5 Rcc2 26.Bc2 Rd5+-)) 23.Ra1 Rdf2 24.Bb5 (worse is 24.Nb5 Re2 25.Ng4 a6+-) 24...Kg7 (24...R2f4 25.Rd1+-) 25.Ne4 R2f4 26.Nc5 Rb8 27.Bc6 Rf7 28.Nd3 Rf6 (28...e4 29.Ne5 Re7 30.N3c4+-) 29.Ne5 Re6 (29...Rc8 30.Bd5+-) 30.N3c4 Rd8 (30...Re7 31.Re1+-) 31.Rb1 Rf6 (31...Re7 32.c3+-) 32.Rb7 Kh6 (32...Kf8 33.Nd7 Rd7 34.Bd7+-) 33.Ng4 Kg5 34.Nf6 Kf6 1–0. DEFFM – GuestDWGP, freechess.org, 2018.

7.Qf6? Rf8 8.Bb5 c6 9.Qe5 cb5 10.ed5 Qd5-+.

7.ed5 Nf5

8.Ne2 0-0 9.0-0 Nd7 10.a3 Bd6 11.Nbc3 Kh8 12.Rfe1 Be7 13.Rab1 Nb6 14.Bb3 Nd7 15.Ne4 Nc5 16.Nc5 Bc5 17.d4 Nd4 18.Nd4 ed4 19.Qf4 Qd6 20.Qd6 Bd6 21.Rbd1 Bc5 22.a4 Bg4 23.f3 (23.Bd4!? Bb4 24.f3 Be1 25.Re1+=) 23...d3+= 24.Kf1 dc2 25.Rc1 Bd7 26.g4 h6 27.Bc2 Bd6 28.Kf2 Kh7 29.h4 f5 30.gf5 Bf5 31.Be5 Bc5 32.Kg3 Ba3 33.Ra1 (33.Bf5 Bc1 34.Rc1 Rf5 35.Rc7 Kg8 36.Rg7 Kf8+=) 33...Bb4 34.Re4 (34.Rec1!? c5 35.Rab1+=) 34...Be4-/+ 35.Be4 Bd6 36.Bd6 cd6 (36...cd6 37.h5 Rac8-/+) 0–1. Bonca,Robert Simeon (1800) – Schulz,Hans_Juergen (1785), b2–b4.com, 2004.

8.Ne2 Nd7 9.0-0=.

6.Qf3 Rf8

7.a3 Ba5 8.Nc3 c6 9.Nge2 d6 10.0-0 h5 (10...f5 11.Bb3-/+) 11.d4=+ Bg4 12.Qe3 Be2 (12...d5!? 13.ed5 Bb6= (worse 13...Nd5 14.Nd5 cd5 15.Bd3+=)) 13.Ne2= Nd7 14.Be6 Qc7 15.Rab1 Bb6 16.Qh6 (16.c4 Bd4 17.Nd4 ed4 18.Bd4 b6+=) 16...0-0-0 (better 16...d5!?=+) 17.Qg7+= Ng8 (better 17...Rde8!?+=) 18.Qg6+- Kb8 19.Qh5 Rde8 (19...Ne7 20.Qh7 Rfe8 21.Qf7+-) 20.Qg4 Rd8 21.c3 Nh6 (21...f5 22.ef5 Ngf6 23.Qg3+-) 22.Qg6 Rh8 23.Qg7 Ka8 24.Ng3 Nb8 25.Qc7 Bc7 26.Rfd1 (26.Nh5 Ng8 27.g4 d5 28.de5 fe5 29.ed5 cd5+-) 26...Rde8 (26...ed4 27.Rd4 Nd7 28.h4+-) 27.d5 c5 (27...Bb6 28.Bc1+-) 28.Bc1 Re7 (28...Ng8 29.Rd2+-) 29.Bh6 Rh6 30.Nf5 (30.Nf5 Reh7 31.Bc8+-) 1-0. Knight286 (2085) - catur1234 (2245), Rated Blitz game, lichess.org, 2016.

7.a3 Bc5 8.Nc3 f5 9.Qe2=+.

7.c3 Ba5 8.Ne2 f5 9.Bb3 Nbc6 10.ef5 d5 11.f6 Qd6-/+.

7.Ne2 d6 8.0-0 f5 9.c3 Ba5 10.Re1? (better is 10.d3-/+) 10...fe4-+.

7.Ne2 f5 8.Be5 fe4 9.Qe4 Nbc6 10.Nbc3 Rf5 11.f4 Bc3 12.Nc3 (12.dc3? d5 (12...Ne5?! 13.fe5 Nc6 14.Rf1-/+) 13.Bd5 Qd5 (13...Nd5?! 14.Ng3-/+) 14.Qd5 Nd5-+) 12...d6 13.g4 de5 (worse is 13...Ne5 14.gf5 Bf5 15.Qb7 Nc4 16.Qb5 c6 17.Qc4 Bc2 18.Rc1+=) 14.gf5 Bf5 15.Qe3 Qd4 16.Qd4 ed4 17.Ne2 Bc2 18.d3 Ba4 19.h4 h5 20.Kd2 Kd7 21.Rhg1 Rf8 22.Rg5 Rf6 23.Rag1 b6 24.Bd5 Nd8 ½–½. Matugin,Sergei (1785) – Sherwood,Russell (1860), SC–2011–0-00087, 2011.

7.Ne2 c6

8.0-0 d5 9.Bb3 Bd6 10.d3 (10.ed5 cd5 11.Bd5 Nd5 12.Qd5 Nc6=+) 10...h5-/+ 11.h3 de4 12.de4 f5 13.Nd2 f4 (better 13...b5=) 14.Nc4+- g5?? (better 14...b5 15.Ne5 Qc7 16.Ng6 Bg4 17.hg4 Ng6+-) 15.Qh5 Kd7 16.Rad1 Rf6 (16...Nd5 17.ed5 c5+-) 17.Be5 Rg6 (17...Nd5 18.ed5 c5 19.Ba4 b5 20.Bb5 Kc7 21.Nd6 Rd6+-) 18.Nd6 Qf8 19.Qg4 Kd8 20.Nb7 Ke8 21.Rd8 1-0. pcmvr – miodrag, net-chess.com, 2020.

8.0-0 d5 9.Bb3 de4 10.Qe4 Bc5 11.d4 Bf5 12.Qe3 Bb6 13.Nd2 (13.c4 Nd7+=) 13...Nd5 (13...Bg4 14.f3 Bc8 15.Rae1+=) 14.Qg3 (14.Qh6 Qc7=) 14...e4+= 15.Ba3 Bc7 16.Qh4 Rf7 (16...g5!? 17.Qh6 Ne7=) 17.Ng3+= e4 seems the pivot of the position (worse is 17.Ne4 g5 18.Qh5 Be4=) 17...g5 18.Qh6 Bg6 (18...Bg3 19.fg3 Ne3 20.Rf2+/-) 19.Nge4 (better is 19.Nde4 Bg3 20.Ng3+/-) 19...Nd7?? (better is 19...Kd7+/-) 20.Rfe1 Ne7 (20...Ne5 21.de5 Be5 22.Nd6 Kd7 23.Nf7 Bf7 24.Rad1+-) 21.Bf7 Kf7 22.Ng5! fg5 23.Re7 (23.Re7 Qe7 24.Be7+-) 1–0. GuestYJKS – rbpl, freechess.org, 2018.

8.0-0 d5 9.Bb3 Be6 10.d4 Nd7 11.a3 Bd6 12.Nd2 Qa5 13.Rfd1 h5 14.h3 Bc7 15.Bc3 Qa6 16.Bb4 Rf7 17.Rac1 f5 18.Qd3 Qd3 (worse is 18...fe4 19.Qa6 ba6 20.Ne4=) 19.cd3 0-0-0 ½–½. Rook,Detlef (2250) – Nicolenco,Sergey (2125), RM–2009–0-00041, 2009.

8.0-0 d5 9.Bb3 Be6 10.d4 de4 11.Qe4+= Bb3 12.ab3 Bd6 (12...Qd5 13.Qh4 Nf5 14.Qh7+=) 13.de5+- fe5 14.Be5 Be5 15.Qe5 Qd5? (15...Nd7 16.Qe6 Nc5+-) 16.Qe3+- Nd7 17.Re1 a6 (17...Qc5 18.Nd4+-) 18.Nd4 0-0-0 19.Nc3 Qf7 (19...Qc5 20.Ne6 Qe3 21.Re3+-) 20.Ne6 Rde8 (20...Nf5 21.Qf4 Nb6+-) 21.Qg3 Ne5 (21...Qf2 22.Qf2 Rf2 23.Kf2+-) 22.Qe5 Nf5 (22...Ng8 23.f3 Qe6 24.Qe6 Re6 25.Re6+-) 23.Na4 Nd6 (23...Re6 24.Nb6 Kd8 25.Rad1 Ke8 26.Qb8 Ke7 27.Rd7 Kf6 28.Rf7 Kf7 29.Qb7 Ne7 30.Re6 Ke6 31.Qd7 Kf6+-) 24.Nb6 Kb8 25.Qd6 Ka7 26.Nf8 Qf2 27.Kf2 (27.Kf2 Rf8 28.Qf8 Kb6 29.Qb4 Kc7 30.Re7 Kc8 31.Qb7 Kd8 32.Rd1) 1–0. Pierre – Mannaher, internet, 2020.

8.a3 Ba5-/+ 9.Nbc3 (9.0-0-/+ d5 10.Bb3 de4 11.Qe4 Bf5 12.Qe3 Nd5; 9.Bb3 d5 10.0-0 de4 11.Qe4 Bb6 12.Qh4 h5) 9...d5 (better is 9...f5!? 10.Qd3 (10.Bb3 Na6 11.d4 ed4 12.Nd4 Qb6) 10...Bc7-/+ (10...fe4 11.Qg3 d5 12.Bb3 Nd7) 11.Bb3 fe4 12.Qe4 Nf5) 10.ed5= cd5 (10...Bf5 11.dc6 Nbc6 12.Bb3= h5) 11.Nd5 Nd5 (11...Be6 12.Bb5 (12.Nec3 Bc3) 12...Nec6 13.Nec3=) 12.Qd5 (12.Bd5 Qd7+= (12...Bg4 13.Qb3 Bc8+=)) 12...Qd5= 13.Bd5 Nc6 14.0-0-0 Bg4 (14...Bd7 15.d4=) 15.f3+= Bd7 16.d4 ed4 (16...0-0-0 17.de5 Ne5 18.Ng3=) 17.Nd4+= 0-0-0 18.Nb5 (18.c4 Nd4 19.Bd4 b6+=) 18...Kb8 (18...Bb6 19.Rhe1+=) 19.Nd6 (19.c4 Bb6+=) 19...Bc7= 20.Ne4 Bf5 (20...f5!? 21.Nf6 h6+=) 21.Nf6+/- Rf6? (better is 21...h6+/-) 22.Bf6+- Bf4 23.Kb2 Re8 (23...Rd6 24.Bh8+-) 24.Rhe1 (24.g4 Bc8+-) 24...Re1 25.Re1 a6 (25...Kc7 26.g3 Bd6 27.g4+-) 26.g3 (26.g3 Bd6 27.Bc6 bc6 28.Re8 Kc7 29.g4+-) 1–0. orane – karhu, internet, 2003.

8.c3 Ba5-/+ 9.d4 (9.Bb3 d5 10.d4 de4 11.Qe4 Bf5 12.Qe3 Nd5) 9...d5 10.Bb3 de4 11.Qe4 Bf5 12.Qe3 Nd5.

8.Nbc3 b5 9.Bb3=+ a5 10.a3 Bc5 11.0-0 Qb6 Black plans b4 (11...f5 12.a4 b4 13.Nd1=+) 12.a4=+ b4 13.Na2 Na6 (13...Ba6 14.Nac1-/+) 14.Rad1 d5 (14...f5!? 15.d4 fe4 16.Qe4 ed4 17.Nd4 d5=+) 15.d4= de4 16.Qe4 ed4 17.Nd4 Bd4 (better 17...Nc7!?=) 18.Bd4+/- (worse 18.Qd4 Qd4 19.Bd4 c5=) 18...c5 (18...Qc7 19.Qh4 c5 20.Bf6+-) 19.Ba1 (better 19.Bc5 Nc5 20.Qa8 Nb3 21.cb3+-) 19...Bb7?? (better 19...Ra7+=) 20.Qe7!!+- Ke7 (20...Ke7 21.Rfe1 Decoy) 21.Rfe1 (21.Rfe1 Qe6 22.Re6 Kf7 23.Rd7 Kg8 24.Re8 c4 25.Bc4 Bd5 26.Bd5 Kh8 27.Bf6) 1-0. Knight286 (2140) - chessforce (2180), Rated Blitz game, lichess.org, 2016.

8.Nbc3 f5 9.Bb3-/+.

7.Ne2 Nbc6

8.c3 Ba5 9.0-0-/+.

8.c3 Ba5 9.Bb5 a6 10.Ba4 f5 11.ef5 Nf5-/+.

8.0-0 f5

9.a3 Bc5 10.Nbc3 d6 11.Nd5 Na5 12.Ba2 Nec6 13.Qh3 h5 14.ef5 Bf5-/+.

9.a3 Bc5 10.Nbc3 d6-/+ 11.Nd5 h6 12.Bc3 Rb8 13.a4.

9.a3 Bc5 10.ef5 Nf5 11.Qd5 d6 12.Bb5 Nfe7 13.Qb3 a6 14.Bd3 d5-/+.

9.a3 fe4 10.Qe4 (10.Qe3 Ba5 11.Bb5 a6 12.Bc6 Nc6 13.Qe4 d6 14.Nbc3 Bf5-/+) 10...d5 11.Qh4 Bc5 12.Bb5 a6 13.Bc6 Nc6 14.Qh7 Qf6-/+.

9.Qb3 A) 9...fe4 10.Bb5 (10.Be5 Ne5 11.Qb4 d5 12.Bb3 c6 13.Qc3 Qd6 14.d3 Ng4-+) 10...a6 11.Bc6 Nc6 12.Be5 Bc5 13.Bg3 d6 14.Nbc3 Bf5+=; B) 9...Bc5 10.Nbc3 (10.ef5 Nf5 11.Ba3 Be7 12.Qc3 d6 13.Bb2 Ncd4 14.Nd4 Nd4-/+) 10...Na5 11.Qb5 b6 12.Bb3 a6 13.Qd3 d6 14.Na4 fe4-/+.

9.Bb3 Bc5 10.Nbc3-/+ d6 11.Nd5 h6 12.d3 h5 13.Rae1.

9.Bb3 d6 10.c3 Ba5 11.d4 Bb6 12.Nd2 fe4 13.Qe4 Bf5 14.Qh4 h5+=.

9.Bb3 d6 10.d4 Qd7 11.a3 Ba5 12.d5 Nd8 13.Nbc3 Bb6 14.Qd3 fe4+=.

9.Bb3 h6 10.ef5 (10.d4 fe4 11.Qe4 d5 12.Qh4 ed4 13.a3; 10.Qe3 fe4 11.a3 Ba5 12.Qe4 d6 13.d4) 10...Nf5 11.Ba4 Qe7 12.Qe4 Ncd4 13.Nc1.

9.Nbc3 Na5 10.Bb3 (10.Qd3 d6 11.f4 fe4 12.Ne4 d5 13.Bd5 Qd5 14.fe5 Rf1-+) 10...d6 11.d4 fe4 12.Qe4 Bf5 13.Qe3 Nb3 14.cb3 Nc6+=.

9.Nbc3 d6 10.Bb3 (10.d3 Bc5 11.Bc1 Nd4 12.Nd4 Bd4 13.Bd2 fe4 14.Qe4 Bc3-+) 10...a5 (10...a6 11.a3 Bc5 12.Na4 Ba7 13.Nac3 Na5 14.Rae1 c6-/+) 11.a3 (11.h3!?= Bc5 12.Rae1 h6 13.d3 Bd7 14.Bc1 Nd4-/+) 11...Bc3+= (11...Bc5 12.Nd5 a4 13.Bc4 Na5 14.Ba2 Nd5-/+) 12.Bc3 (worse is 12.dc3 a4 13.Ba2 fe4 (13...h5 14.Bc1 fe4-/+) 14.Qe4 Qd7-/+ (14...Bf5-/+); 12.Nc3 Nd4 13.Qd3 c6 14.Rfe1 b5-/+) 12...fe4 (12...a4 13.Ba2+= fe4 14.Qe4 Bf5-/+) 13.Qe4= d5 14.Qh4 h5 (14...d4-/+) 15.f4 a4 16.Ba2 e4 17.Qf2 Qd6 18.Bg7 (18.Nd4 A) 18...Qa3 19.Nb5 Rf4 20.Qf4 (20.Na3?! Rf2 21.Rf2 Bf5+-; 20.Nc7?! Kd7 21.Qf4 Qc5 22.Kh1 g5+-) 20...Qc5 21.Qf2 Qb5 22.Rab1+-; B) 18...Qc5=) 18...Rf7+= (18...Qa3 19.Bd5 Qd6 20.Bf8 Kf8 21.Be4 Qd2 22.Rfd1+/-) 19.Bb2 Be6 20.d3 ed3 21.cd3 0-0-0 22.Rae1 Rdf8 23.Nc3 (23.Bc1 g5 24.Nd4 Nd4 25.Qd4 gf4-/+) 23...Rf4-/+ 24.Nb5 Qd7 (worse is 24...Rf2 25.Nd6 Kd7 26.Rf2 Rf2 27.Kf2 Kd6 28.Bc1+=) 25.Qf4 Rf4 26.Rf4 Nd8 27.Nd4 (27.Rb4 c5 28.Rc1 b6-/+) 27...Nf5 28.Rf2 (28.Rf3 Nd4 29.Bd4 Bf5-/+) 28...Nd4-+ 29.Bd4 Bf5 30.Re5 (better is 30.Bb2!?-/+) 30...Nc6-+ 31.Rd5 Qe7 32.Bc5 Qe8 33.Rdf5 (better is 33.Kf1-+) 33...gf5 (33...gf5 34.Rf5 Qe1 35.Rf1 Qe5 36.Rf8 Nd8-+) 0–1. pierre – Maniusiek, internet, 2015.

9.ef5 d5 10.Bb5 a6 11.Bc6 Nc6 12.Qb3 Rf5 13.Ba3.

9.Bb3 fe4

10.Qg3 d5 11.Ba4 Kf7 12.Bc6 Nc6 13.Be5 Ne5 14.Qe5 Kg8-+.

10.Qe4 d5

11.Qh4 d4 12.Na3 (12.Qh7 A) 12...Na5= 13.Ng3 Nb3 (13...Bd6 14.Ba3 Nb3 15.ab3 Bf5 16.Nf5 gf5=) 14.ab3 Qd5 15.Ba3 Bd6 16.Bd6 cd6=; B) 12...Qd6 13.a3 (13.Ng3 Bf5 14.Re1 Bc5 15.d3 Bb4 16.Re2 Qf6+=) 13...Bc5 14.d3 Bf5 15.Nd2 Qf6 16.Ng3 Rh8+=; C) 12...Bf5 13.Ng3 Qd7 14.Re1 0-0-0 15.Qg7 Bd6 16.Ba3 Rh8+=) 12...Qd7 (12...h5!?+= 13.c3 Bc5 14.cd4 Nd4 15.Nd4 Rf4 16.Qg5 Bd4+=) 13.Qh7+= (13.Ng3 Ng8 14.Nc4 Rf4 15.Qg5 Rg4 16.Ne5 Rg5+=) 13...Bd2 (better is 13...Na5!?+= 14.c3 dc3 15.dc3 Nb3 16.ab3 Bc5=) 14.Rad1+/- (14.Nc4 Bb4 15.Qg7 Qg4 16.Ne5 Ne5+=) 14...Bb4 15.c3 (15.f4 e4 16.Ng3 e3=) 15...Bd6? (better is 15...Bc5 16.cd4 ed4+-) 16.cd4+- Qg4 17.Ng3 ed4 18.Nb5 Bd7 19.Nd6 cd6 20.Rfe1 Qg5 (20...Qf4 21.Bd4 d5 22.Bd5 0-0-0 23.Re7 Nd4 24.Bb7 Kb7 25.Rd7 Kc8 26.Rd8 Rd8+-) 21.Bc1 Qb5 (21...Qa5 22.Bh6 0-0-0 23.Bf8 Rf8 24.Re7 Ne7 25.Qe7+-) 22.Bh6 0-0-0 23.Bf8 Rf8 24.Re7 (24.Re7 Ne7 25.Qe7+-) 1–0. wiking – gedanix, internet, 2010.

11.Qh4 h5 12.a3 Bc5 13.d4.

11.Qh4 h5 12.Ba4 Qd6 (12...Bd6 13.f4) 13.c3-/+.

11.Qh4 h5 12.d4 e4 13.a3 Ba5 14.h3 Be6-/+.

11.Qh4 h5 12.Be5 Ne5 (better is 12...Bg4!? 13.f3 Ne5 14.fg4 Rf1 (worse is 14...Ng4 15.Rf8 Kf8 16.h3+/-) 15.Kf1 Ng4+=) 13.Qb4= a5 (13...N5c6 14.Ba4=) 14.Qd4+= N5c6 15.Qh4 (15.Ba4 Qd6=) 15...d4 (15...Qd7 16.Nec3=) 16.Na3 (16.Ba4 Bg4 17.f3 d3 18.cd3 Bd7+= (18...Qd3? 19.fg4 Rf1 20.Kf1+-)) 16...d3 (16...a4 17.Bc4 Nf5 18.Qe4 Nfe7 19.Nb5+=) 17.Nc3 dc2 18.Rfe1 (18.Nc2 Qd7+= (18...Qd2? 19.Nb5 Bg4 20.Nc7 Kd7 21.Na8+-)) 18...Bf5 (18...Qd2!? 19.Ncb5 g5 20.Qh5 Kd8=) 19.Nd5+= (worse is 19.Bc2 Bc2 20.Nc2 Qd2+=; 19.Nc2?! Qd6+=) 19...Kd7 20.Ne7 Ne7 21.Re5 Nc8 22.Qd4 Nd6 23.Nc2 (23.Rae1 Qf6+=) 23...Re8 (23...Qf6 24.Ne3 Rae8 25.f4+=) 24.Rae1+/- Re5 25.Re5 (25.Qe5 Kc8+/-) 25...Kc8 (25...Qf6 26.Ne3 Re8 27.f4+/-) 26.Ne3+/- Bd7 27.Bc2 Be8 28.Nd5 (28.Nc4 Ra6+/-) 28...Kb8 29.Ne7 g5 30.Nf5 Bf7 31.Nd6 (31.Be4 Ra7+/- (31...Ba2? 32.Nd6 cd6 33.Bg6+-)) 31...cd6 (31...Qd6 32.Qd6 cd6 33.Rg5 Ba2 34.Rh5+/-) 32.Bd3 (32.Re1 Ra6+/-) 32...a4 (32...g4 33.Rf5 Bg6 34.Rb5 Bd3 35.Qd3+/-) 33.a3 (33.Rf5 Bg6 34.Rb5 Bd3 35.Qd3 Ra6+/-) 33...g4 34.Rb5 Be8 (34...Qc7 35.Rb4+/-) 35.Rd5 Kc7 36.Qc4 Kb8 37.Qb4 Kc7 38.Be4 b6 39.Qc3 Kb8 40.Qd4 Kc7 41.Qg7 Qd7 42.Qc3 Kb8 43.Qd4 (43.Qb2 Qd8+/-) 43...Kc7 44.Rg5 Rc8 45.f4 (45.Rg7 Bf7 46.h4 Rg8+-) 45...Qe6 (45...Qe7 46.g3 Bf7 47.Rg7+/-) 46.Kf2 (46.Rg7 Bd7 47.Qa4 d5 48.Rd7 Qd7 49.Qd7 Kd7 50.Bf5 Kd8 51.Bc8 Kc8+-) 46...Rd8? (better is 46...Bd7 47.Bf5 Qb3 48.Bd7 Kd7 49.Rh5 Qc2+-) 47.Bd5+- Qc8 48.Rg7 Bd7 (48...Rd7 49.Be6 Qa8 50.Bd7 Bd7+-) 49.Qa4 Qa6 (49...Re8 50.Bc6 Rd8+-) 50.Qa6 (50.Qa6 g3 51.hg3 Rb8 52.Qa7 Rb7 53.Qb7 Kd8 54.Qd7) 1–0. Kaniak,Andrzej – Coltharp,Cameron, email 4AMM–F, 1998.

11.Qh4 Qd6

12.a3 A) 12...Ba5 A1) 13.c4 Be6 (13...dc4 14.Qc4 Bf5 15.Nbc3 Bd3 16.Qg4 Bc3 17.Nc3 h5) 14.Nbc3 dc4 15.Bc4 Nf5 16.Qe4 Bc4 17.Qc4 0-0-0; A2) 13.f4 Bd7 (13...Bb6 14.Kh1 Qf6 15.Qf6 Rf6 16.Nbc3 Bg4 17.h3 Be2) 14.Nbc3 0-0-0 15.Kh1 e4 16.a4 Kb8 17.Nb5 Qe6; A3) 13.Nbc3 Bd7 (13...Be6 14.d4 0-0-0 15.Nb5 Qd7 16.Ba4 e4 17.Na7 Kb8) 14.Qh7 0-0-0 15.Qh4 a6 16.a4 Kb8 17.Ba3 Bb4; B) 12...Bc5 B1) 13.h3 Qf6 (13...a6 14.Nbc3 Be6 15.Na4 Ba7 16.Qh7 0-0-0 17.Qh4 g5) 14.Qf6 Rf6 15.Nbc3 Be6 16.Na4 Bd6 17.f4 b5; B2) 13.g3 Bd7 (13...Qf6 14.Qf6 Rf6 15.Nf4 d4 16.Nd3 Bd6 17.Re1 Bg4) 14.Nbc3 0-0-0 15.Nb5 Qe6 16.Nec3 Qf5 17.g4 Qf3; B3) 13.Nbc3 a6 (13...Be6 14.Na4 Rf7 15.Nc5 Qc5 16.Ng3 Qd6 17.a4 0-0-0) 14.Na4 Ba7 15.Rae1 Bd7 16.Kh1 g5 17.Qh5 Qg6.

12.c3 A) 12...Bc5 13.d4 Bb6 (13...ed4 14.cd4 Bb6 15.Nbc3 Bd7 16.Na4 0-0-0 17.Nb6 ab6) 14.Nd2 Bd7 15.a4 Qf6 16.Qf6 Rf6 17.de5 Ne5; B) 12...Nf5 13.Qh7 (13.Qh3 Bc5 14.Qh7 Qf6 15.d4 Ne3 16.Na3 Nf1 17.Rf1 Rh8) 13...Bc5 14.d4 ed4 15.Re1 dc3 16.Nbc3 Rf7 17.Qg8 Rf8; C) 12...Ba5 C1) 13.d4 Bf5 (13...Qf6 14.Qf6 Rf6 15.de5 Ne5 16.c4 Rf5 17.cd5 Nd3) 14.Re1 e4 15.Na3 Qf6 16.Qf6 Rf6 17.Bc1 Bg4; C2) 13.Na3 Qf6 (13...Be6 14.Qh7 0-0-0 15.Nb5 Qd7 16.Qg7 a6 17.Na3 Bb6) 14.Qf6 Rf6 15.d4 Bg4 16.f3 Be6 17.c4 ed4; C3) 13.c4 Be6 (13...d4 14.Ng3 Qf6 15.Qh6 Nf5 16.Nf5 Bf5 17.Na3 Bd3) 14.cd5 Bd5 15.Nec3 Bb3 16.ab3 Qe6 17.b4 Bb6.

12.Nbc3 a6 13.Ng3 (13.f4 e4 (13...Bc5 14.Kh1 e4 15.Qh7 Be6 16.Na4 Ba7 17.Bg7 Rg8) 14.d3 Bc5 15.Kh1 e3 16.Na4 Ba7 17.c4 Be6; 13.Qh7 Bd7 (13...Be6 14.a3 Bc5 15.Na4 Ba7 16.Qh4 0-0-0 17.h3 g5) 14.a3 Bc5 15.Ng3 Nd4 16.Na4 Nb3 17.cb3 Ba4; 13.a3 Bc5 (13...Ba5 14.a4 Be6 15.f4 e4 16.Ba3 Bb4 17.Bb4 Qb4) 14.Ng3 Bb6 15.Rae1 Be6 16.Na4 Ba7 17.Qg5 b5) 13...Be6 (13...h5 14.a3 Rf4 15.Qg5 Bc5 16.Rae1 Bd4 17.Nge2 Rf5) 14.a3 Rf4 (14...Bc3 15.Bc3 Rf7 16.Rae1 0-0-0 17.f3 Nf5) 15.Qh7 Bc5 (15...Ba5 16.Nge2 Rf7 17.Qh8 Rf8) 16.Qh8 (16.Nce2 Rf8 17.Rad1 0-0-0) 16...Rf8 17.Qh4 (17.Qg7 Bd4) 17...Bd4 18.Nge2 Ba7 19.a4 0-0-0 20.Ba3 Qd7 21.Ng3 (21.a5 Rh8 22.Qf6 Rdf8-/+) 21...Rh8 (21...Rh8 22.Qf6 Rdf8-/+) 0–1. Trokenheim,Marek (2160) – Dietrich,Udo (2350), RSX16E4 – Sokolsky–1, 2010.

12.Nbc3 Bc5 A) 13.Nb5 Qd7 14.Rae1 a6 15.Nbc3 Qg4 16.Qg4 Bg4 17.Nd5 Nd5; B) 13.d4 Nd4 (13...ed4 14.Nb5 Qe5 15.Rfe1 Bb6 16.Ned4 Qf4 17.Qh7 Qf2) 14.Nd4 ed4 15.Na4 Bb4 16.a3 Ba5 17.Qd4 Bd7; C) 13.Na4 Bd7 (13...Bb4 14.Nac3 a6 15.f4 e4 16.d3 Bc5 17.Kh1 e3) 14.Nc5 Qc5 15.a4 Rf7 16.Nc3 Na5 17.Ba3 Qc6.

12.Nbc3 Be6 A) 13.a3 Ba5 (13...Bc5 14.Na4 Rf7 15.Nc5 Qc5 16.Ng3 Qd6 17.a4 0-0-0) 14.d4 Nd4 15.Nd4 ed4 16.Nb5 Qf4 17.Qh7 c5; B) 13.Nb5 Qd7 14.Ba4 Bd2 15.Be5 Nf5 16.Qh3 Rc8 17.Na7 Ne3; C) 13.d4 Nf5 (13...Bc3 14.Bc3 e4 15.Qh7 0-0-0 16.Qh4 Rf7 17.Rab1 Nf5) 14.Qh7 Ncd4 15.Nd4 Nd4 16.Ba4 c6 17.Qb7 Rb8.

12.Nbc3 Qf6 13.Qf6 Rf6 14.Bd5 Rd6 15.Bc6 Rc6 16.a3 Bd6 17.a4 Be6.

12.c4 A) 12...d4 A1) 13.f3 h5 (13...Qf6 14.Qe1 Be6 15.Ng3 0-0-0 16.Ne4 Qf4 17.Na3 Bf5) 14.Re1 Bf5 15.Ng3 0-0-0 16.Ne4 Be4 17.Qe4 Qc5; A2) 13.Ng3 Nf5 (13...Qf6 14.Qf6 Rf6 15.Ne4 Rf8 16.a3 Ba5 17.c5 Bf5) 14.Qh7 Ng3 15.hg3 Bf5 16.Qh4 Kd7 17.f4 Rh8; A3) 13.a3 Ba5 (13...Bc5 14.Ng3 Nf5 15.Qh7 Ng3 16.hg3 Bf5 17.Qh4 Kf7) 14.Ng3 Qf6 15.Qf6 Rf6 16.Ne4 Rf8 17.c5 Bf5; B) 12...dc4 B1) 13.Qc4 Bf5 (13...Bd7 14.Nbc3 Na5 15.Qh4 Nf5 16.Qh7 0-0-0 17.Bf7 Qd2) 14.Nbc3 0-0-0 15.a3 Bc3 16.Bc3 Kb8 17.Qh4 Bd3; B2) 13.Bc4 Be6 (13...Bf5 14.Nbc3 0-0-0 15.d3 Bc5 16.Rad1 Qf6 17.Qf6 Rf6) 14.Na3 Qd7 15.d4 Ba3 16.Be6 Qe6 17.Ba3 0-0-0; C) 12...Nf5 13.Qh7 dc4 (13...d4 14.a3 Bc5 15.d3 Rf7 16.Qg8 Rf8 17.Qh7 Rf7) 14.Bc4 Na5 15.Bb5 c6 16.Nec3 cb5 17.Nb5 Qd7; D) 12...Be6 D1) 13.Nbc3 dc4 (13...Nf5 14.Qh7 Bg8 15.c5 Bc5 16.Qh3 0-0-0 17.Qg4 Be6) 14.Nb5 Qd7 15.Bc4 Nf5 16.Be6 Nh4 17.Bd7 Kd7; D2) 13.d3 0-0-0 (13...dc4 14.Bc4 Bc4 15.dc4 0-0-0 16.Nbc3 Qd3 17.Rac1 Nf5) 14.Nbc3 a6 15.cd5 Nd5 16.Ne4 Qe7 17.Qe7 Be7; D3) 13.cd5 Bd5 (13...Nd5 14.Nbc3 Qe7 15.Qe7 Nce7 16.Nd5 Nd5 17.Be5 Rf5) 14.Nec3 Bb3 15.Nb5 Qd8 16.ab3 a6 17.N5c3 Qd3.

12.f3 A) 12...Bf5 A1) 13.f4 e4 (13...0-0-0 14.c3 Ba5 15.Na3 Qd7 16.fe5 Ne5 17.Nc2 Bb6) 14.Nbc3 0-0-0 15.a3 Bc5 16.Kh1 a6 17.Na4 Ba7; A2) 13.c3 Ba5 (13...Bc5 14.d4 Bb6 15.f4 e4 16.Ng3 0-0-0 17.Na3 Qf6) 14.Na3 Bd3 15.Rae1 Bb6 16.Kh1 0-0-0 17.Bc2 Nf5; A3) 13.Nbc3 0-0-0 (13...a6 14.a3 Bc5 15.Kh1 0-0-0 16.f4 e4 17.Na4 Ba7) 14.d4 ed4 15.Nb5 Qf6 16.Qf4 Qe5 17.Na7 Kb8; B) 12...Qf6 B1) 13.Qf6 Rf6 14.Nbc3 Be6 15.f4 Bg4 16.h3 Be2 17.Ne2 a5; B2) 13.Qe1 Bf5 (13...Bc5 14.Kh1 Be6 15.Nbc3 0-0-0 16.f4 Qf7 17.Na4 Bd6) 14.Nbc3 0-0-0 15.Na4 Qg5 16.Bc3 Bc3 17.Nec3 Kb8; B3) 13.Qf2 Ba5 (13...Be6 14.f4 Bd6 15.Na3 a6 16.Rae1 0-0-0 17.fe5 Qf2) 14.Ba3 Bb6 15.Bc5 Bc5 16.Qc5 b6 17.Qf2 Be6; C) 12...Bd7 C1) 13.Kh1 Nf5 (13...0-0-0 14.Nbc3 Nf5 15.Qe1 Be6 16.Nc1 Nfd4 17.Nd3 Kb8) 14.Qf2 Bc5 15.Qe1 0-0-0 16.Nbc3 Ncd4 17.Na4 Ba4; C2) 13.c3 Ba5 (13...Bc5 14.d4 Bb6 15.Kh1 0-0-0 16.Ba3 Qe6 17.Nd2 Nf5) 14.c4 Nf5 15.c5 Qc5 16.Qf2 Qf2 17.Rf2 Nb4; C3) 13.Nbc3 Bc5 (13...0-0-0 14.Kh1 Nf5 15.Qh7 Ncd4 16.f4 Rh8 17.Qf7 Bc3) 14.Kh1 0-0-0 15.f4 a6 16.fe5 Qe5 17.Rae1 g5; D) 12...Bc5 13.Kh1 Bd7 (13...Qf6 14.Qf6 Rf6 15.Nbc3 Be6 16.f4 Bd6 17.Nb5 Kd7) 14.Nbc3 0-0-0 15.f4 a6 16.fe5 Qe5 17.Rae1 g5.

6.Qh4 Nbc6

7.Qf6 Rf8

8.Qg5 d6 9.Ne2 Bc5 10.0-0 Na5 11.Bb3 Nec6 12.Qg3=.

8.Qg7 Na5 9.Be2 d6 10.c3 Bc5 11.d4 ed4 12.cd4+=.

8.Qg7 Bc5 9.Nf3 Now all is on e5 9...d6 10.Ng5 (10.0-0 Na5 11.Be2 Bg4 (11...Qd7+= 12.Qh7+=) 12.Qh7+=; 10.Qh7 Bg4 11.Be2 Qd7 12.0-0=) 10...d5= (10...Rf2? 11.Nf7 Qd7 12.Qh8 Ng8 13.Qg8 Ke7 14.Qh7+-; 10...Bf2 11.Kf1 Bc5 12.Bf7 Rf7 13.Qf7 (13.Nf7?! Qd7 14.Nh6 Qe6=) 13...Kd7 14.Nh7+/-) 11.Nh7 Rf7 (worse is 11...Bf2 12.Kf1 Rf7 13.Nf6 Rf6 14.Qf6 dc4 15.Qh8 Kd7 16.Qd8 Kd8 17.Kf2+-) 12.Qh8 Kd7 13.Nf6 Rf6 14.Qf6 dc4 15.Ba3 (15.Be5!? Ne5 16.Qe5=) 15...Bd6+= 16.Bd6 cd6 17.0-0 Nd4 18.Nc3 (18.Na3 b5 19.Rfe1 a6+=) 18...Nc2-/+ 19.Rad1 Nd4 20.f4 Qb6 21.Kh1 ef4 (better is 21...Qa5!?-/+) 22.Nd5 Nd5 23.ed5 Nf5 24.Qf7 Kd8 25.Rf4 Qb5 26.Re1 Qd7 (26...Bd7 27.Qf8 Be8 28.Rf5+-) 27.Qf6 Kc7 28.Rc4 Kb8 29.Rec1 (29.Qg6 b5 30.Rf4 Qg7 31.Qg7 Ng7+-) 29...a6 30.Rc8 Ka7 31.Ra8 Ka8 32.Qg6 Nd4 33.Qf6 Nf5 34.Rf1 Ne7 35.Qh8 Ka7 36.Qd4 Kb8 37.Rf8 Nc8 (37...Kc7 38.Rf7+-) 38.h4 Qe7 39.Qh8 Qe1 40.Kh2 Qd2 (40...Qe4 41.Rc8 Ka7 42.Qf6+-) 41.Rc8 Ka7 42.Qf6 Qe3 43.h5 (43.h5 a5 44.Qd6+-) 1–0. pierred (2645) – redrook (2525), net–chess.com, 2008.

8.Qh4 Rf4 9.Qh7 Re4 10.Be2 d5 11.a3 Ba5 (11...Bd6 12.Qh8 Kd7 13.Qh3 Ke8 14.Qh8 Kd7 15.Qh3 Ke8 16.Qh8 Kd7=; 11...Bc5 12.f3 Rf4 13.Be5 Ne5 14.Qh8 Kd7 15.Qe5 Qf8 16.Qb2=) 12.Kd1 (12.f3 Rf4= 13.Be5 (13.Bb5 e4 14.Nc3 a6 15.Bc6 bc6 16.Rb1=) 13...Ne5 14.Qh8 Rf8 15.Qe5 Bf5 16.Qb2=) 12...Be6 (12...Rf4 13.f3 Qd6 14.Nc3 (14.h4+= Be6 15.Nh3 Bh3 16.Rh3+=) 14...Nd4 15.Nb5 Qf6 16.Nd4+=) 13.Nf3 (13.g3 a6+= 14.Nf3 Qd7 15.Ng5 0-0-0 16.Ne4=; 13.f3 Rf4 14.Be5 Ne5 15.Qh8 Rf8 16.Qe5=; 13.Bf3 Ra4 14.Be5 Ne5 15.Qh8 Kd7 16.Qe5=) 13...Rf4 (13...Kd7!?= 14.h3 Kd6 15.Nc3 Bc3 16.Bc3=; 13...Qd6 14.Qh8 Ng8 15.Qg7 0-0-0 16.Qg6=) 14.Ne5 (14.Be5 Ne5 15.Qh8 Kd7 16.Qe5+=) 14...Ne5 15.Be5 Rf2 16.Bf3 Qd7 (better is 16...Bb6+/-) 17.d4?? (17.Bf6 Rd8+-) 17...Bb6 (better is 17...Qb5 18.Qh8 Kd7-+) 18.Qh4 (18.Qh8 Ng8 19.Qh4 Qb5+/-) 18...Rf3 19.gf3 1–0. Kapengut – Faibisovich, Soviet Union j–ch, 1960.

8.Qg7 d5

9.ed5 Nd5

10.Ne2 Qh4-+ 11.0-0 Qc4 12.Nbc3 Nc3 13.Nc3 Bf5 14.d3 Qc5 15.Na4 Qc2 16.Be5 Bd3 17.Bg3 Bf1 18.Rf1 Rd8 19.Qc7 Rf7 0–1. ejdrzej (1665) – ip7200 (1610), kurnik, 2013.

10.Ne2 Qh4-+ 11.Qf8 Bf8 12.Bd5 Bg4 13.Nbc3 Be2 14.Ne2 Rd8 15.Bc6 bc6 16.0-0? Rd2-+ 17.Ng3 Bd6 18.Rae1 Qa4 19.Be5 Be5 20.Re5 Kf7 21.Rfe1 Rd7 22.h3 Qa2 23.R1e2 a5 24.Ne4?? a4 25.Ng5 Kg7 26.c3 a3?? 27.Ra2+- 1–0. bratek55 (1670) – henryk410, kurnik, 2011.

10.Be5? Ne5 11.Qe5 Qe7 12.Qe7 Ne7 13.c3+=.

10.Be5? Qh4 11.c3 Qc4 12.Ne2-+.

10.Be5? Qh4 11.c3 Qf2 12.Kd1 Qg2 13.cb4 Ndb4-+.

10.Be5? Qh4 11.Bg3 Qc4-+.

10.Nf3 e4 11.Nd4 e3 (11...Qg5 12.Bd5 Qd5 13.0-0 Bd6 14.Nc6 Qc6=; 11...Qh4 12.0-0 Bd6 13.g3 Qe7 14.Qe7 Nde7+=) 12.0-0 ef2 13.Rf2 Rf2 14.Kf2 Qh4+=.

10.Nf3 e4 11.Ne5+= Bc5 12.0-0 Qe7 13.Ng6 Qg7 14.Bg7 Rg8+=.

10.Nf3 e4= 11.Ne5 Bc5 12.0-0 Qf6 13.Nc6 A) 13...Qc6 A1) 14.Qh7 Nf4 15.Be5 e3 16.Bf4 ef2 (16...Rf4?! 17.Qh8 Kd7 18.Qg7 Be7 19.d3+=) 17.Kh1 Rf4-/+; A2) 14.Na3 Nf4 15.Bb5 Nh3 16.gh3 Bf2 17.Rf2+-; B) 13...Bf2 14.Kh1 Qc6+-.

10.Nf3 e4 11.Ne5 e3 12.fe3+= Qh4 13.Kd1 Nce7 (13...Qe4 14.Re1+=) 14.g3 Qe4 The mate threat is Qxh1 15.Re1 Bd6 16.Bd3 Be5 17.Be5 Qg4 18.Kc1 Qh3 19.Bd4 Qh2 20.Nc3 (20.e4 Nb4 21.Bb5 c6 22.Bc5+-) 20...Nc3= 21.Bc3 The game is finished by a kings attack 21...c6 (better is 21...Qg3!? 22.Rh1 h5=) 22.Bb4 Threatening mate: Qxe7 22...Rf7 23.Qh8 Kd7 24.Qd4 Ke8 (24...Nd5 25.c4 Qg3 26.Kb2+-) 25.Bc4 Nd5 (better is 25...Rf5 26.Qd6 c5 27.Bb5 Kf7+-) 26.Qe5 (26.Bd5?! cd5 27.Qe5 Kd8 28.Ba5 Kd7 29.Qd5 Ke7+-) 26...Kd7 27.Bd5 (better is 27.e4!? Nb4 28.Bf7+-) 27...cd5 28.e4 The mate threat is Qd6 28...d4 29.Qd4 Ke8 30.Re3 Threatening mate... how? (30.Re3 Qg1 31.Kb2 Qe3 32.de3+-) 1–0. Bonetti,Shane – Hole,Terrence, T15–09 ETC, 2003.

10.Nf3 e4 11.Ne5+= Qf6 12.Qf6 Nf6 13.Nc6 bc6 14.Nc3 Rb8+=.

10.Nf3 e4 11.Qh7? ef3-/+ 12.Qg6 Rf7 13.0-0 Nce7 14.Re1 c6 15.Bf6 Bf5 16.Qh5 Qd7 17.Bd5 (better is 17.Nc3 Bg4 18.Qg6-/+) 17...Qd5?? (better is 17...cd5!? 18.a3 Bc5-+) 18.Nc3 (better is 18.a3!? Kd7 19.Re5=) 18...Qd7-/+ (18...Qd2?! 19.Qh8 Rf8 20.Qh5 Rf7 21.Qh8 Rf8 22.Qh5 Rf7=) 19.Be7 Be7 20.Re5 (20.Re3 Qd6-/+) 20...Bh7 (worse is 20...Bc2 21.Rae1 Bh7 22.Re7 Qe7 23.Re7 Ke7 24.Qe5 Kd7 25.Qd4 Kc7 26.gf3 Rg8 27.Kh1+=; 20...Qd2? 21.Rf5 0-0-0 22.Rf7 (22.Qf7?! Qc3 23.Qe6 Kb8+-) 22...Qc3 23.Rf1+-) 21.Rae1 Kf8 22.Ne4 Kg8 23.g4 (23.Ng5 Bg5 24.Rg5 Kh8-/+) 23...Be4 24.R1e4 Raf8?? (24...Rg7 25.d4-/+) 25.Re6?? (better is 25.Qg6 Rg7 26.Qg7 Kg7 27.Re7 Rf7 28.Rd7 Rd7 29.d3+-) 25...Bf6-+ 26.g5 (26.d3 Qd5 27.Qd5 cd5-+) 26...Rh7 (26...Qd5 27.h4-+) 27.Qg4 (better is 27.Qf3 Bg5 28.Rg6 Rg7 29.Rg7 Qg7 30.Qg3-/+) 27...Bc3?? (better is 27...Rg7 28.h4 Qd2-+) 28.dc3+- Qd1 29.Re1 Qc2?? (better is 29...Qd5+-) 30.Re8 Qa2 31.Rf8 Kf8 32.Qc8 Kg7 33.Qd7 (better is 33.Qb7 Qf7 34.Re7+-) 33...Kg6 (33...Qf7 34.Re7 Kg6 35.Rf7 Rf7 36.Qe6 Kg7 37.h4+-) 34.Re6 (34.Qd3 Kg7 35.Re7 Qf7 36.Rf7 Kf7 37.g6 Kg8 38.gh7 Kg7 39.Qd7 Kg6 40.h4 b5 41.h8Q b4 42.Qe6) 34...Kf5 (34...Qe6 35.Qe6 Kg5 36.Qe5 Kg6 37.Qg3 Kh6 38.Qf3 Rg7 39.Kf1 a6+-) 35.Qh7 (35.Rf6 Kg5 36.Qf5 Kh4 37.Qh7 Kg5 38.Qf5 Kh4 39.Rh6) 35...Kf4 36.Qf7 (36.Qf7 Kg4 37.h3 Kh4 38.Qf4 Kh3 39.Qg3; 36.Rf6 Kg5 37.Qf5 Kh4 38.Rh6) 1–0. Klein – Gross,Wilhelm, BdF, 1985.

10.Nf3 e4= 11.Qh7? ef3 12.Qg6 Rf7 13.gf3 Be6-+.

10.Nf3 e4= 11.Qh7? Bf5?? 12.Nh4 Qd6? (12...Nf6 13.Qh6 Ng4 14.Qh7=) 13.Bd5 (13.Bg7 0-0-0 14.Bf8 Rf8 15.Nf5 gf5 16.Qg7+/-) 13...Qd5+/- 14.Qc7 (14.Ng6 Qd6 15.Nf8 Bh7 16.Nh7 0-0-0-+; 14.Nf5 Qf5 15.Qh4 e3 16.fe3 Qc2-/+) 14...Rf7 15.Qg3 e3 16.fe3 (16.Qe3 Re7 A pinning theme) 16...Bc2+= 17.Nc3 Qh5 (17...Qd3 18.Rc1+=) 18.Nf3 0-0-0 (18...Rc8 19.Rc1 Bd3 20.a3+/-) 19.Qg5 (19.Rc1 Bd6 20.Qf2 Ne5=) 19...Qh7 (19...Kd7 20.Qh5 gh5 21.Nd5+-) 20.Rc1+- Be7 21.Qb5 Rf3? (21...Bd3 22.Qb3+-) 22.Rc2?? (better is 22.gf3 Qh4 23.Ke2+-) 22...Qh4+/- 23.Kd1 Re3 24.Ne2 Qe4 (24...Qe4 25.Rg1 Rd5+=). Grehl,Siegfried – Zylla,Johannes, corr SOK–92–92, 1992.

10.Qh7 Nf4 11.g3 Ng2 12.Kf1 Ne3 13.de3 Qd1 14.Kg2 Qc2=.

10.Qh7 Qf6 11.Nh3 (11.Nf3 Nf4 12.Rg1 Rh8 13.Qc7 Bd6 14.Qf7 Qf7-+) 11...Rh8 (11...Bh3 12.Qh3 Qf2 13.Kd1 Rd8 14.Bd5 Rd5+=) 12.Qh8 Qh8 13.Bd5 Qh4-+ 14.Ng1 Bc5-+.

6.Qh4 Nec6

7.a3 Na5 A) 8.Be2 Be7 (8...Bc5 9.Nf3 Nbc6 10.Qh6 Bf8 11.Qe3 d5 12.ed5 Qd5 13.d4=) 9.Nf3 f5 10.Qh6 d6 11.Nc3 fe4 12.Ne4 Bf5 13.Qe3+=; B) 8.Ba2 Be7 (8...Bc5 9.Nc3 d6 10.Qh6 Qd7 11.h4 c6 12.h5 g5 13.Na4=) 9.Nf3 d6 10.Nc3 f5 11.Qh6 Bf6 12.0-0 Nac6 13.Rfe1=.

7.Nc3 Be7 8.Nd5 d6 9.Nh3=+.

7.Ne2 Bc5 8.Nbc3 Nd4 9.Nd5 Rf8?? (9...Nc2 10.Kd1 Na1 11.Nf6 Ke7 12.Be5 d5 13.Nd5 Kd7 14.Bb5 c6 15.Nf6 Ke7 16.Nh7 Ke8 17.Qd8 Kd8 18.Bh8 cb5 19.Ba1 Nc6+-) 10.Nd4 (10.Bd4 ed4 11.Qh7+-) 10...Bd4 (10...h5 11.Qg3 g5+-) 11.Qh7 d6 (11...Bc5 12.Qg6 Rf7 13.Nc7 Ke7 14.Qf7 Kd6 15.Ne8 Qe8 16.Qe8+-) 12.Bd4 ed4 (12...Nc6 13.Be5! Ne5 14.Nc7 Qc7 15.Qc7 Nc4 16.Qc4+-) 13.Nc7 Qc7 14.Qc7 Nd7 15.Rb1 Nc5 (15...Ke7 16.Rb5 d3 17.Bd3+-) 16.Qd6 (16.Qd6 Nd7 17.Be6+-) 1–0. Janek – Henry, internet, 2016.

7.Nf3 a6 8.a3 Be7 (8...Na5 A) 9.Ba2 Be7 10.Nc3 Nbc6 11.0-0 (11.Qh6 Bf8 12.Qe3 b5 13.Nd5) 11...h5 12.Qg3 g5 13.Nh4 Nd4; B) 9.Bd5 Be7 10.Nc3 (10.0-0 c6 11.Ba2 h5 12.h3 g5 13.Qg3) 10...c6 11.Ba2 d6 12.0-0 (12.a4 Nd7 13.0-0) 12...Nd7 13.a4 Nc5) 9.Nc3 (9.0-0 Nd4 10.Nd4 ed4 11.Bd4 Nc6 12.Bc3 Ne5 13.Bb3) 9...Na5 (9...h5 10.Nd5 (10.Qg3 g5 11.h3 d6 12.Nd5 Nd7 13.0-0) 10...g5 11.Qg3 h4 12.Qh3 d6 13.g4 Nd7) 10.Bd5 (10.Ba2 Nbc6 (10...h5 11.Qg3 g5 12.Ng5 fg5 13.Qe5) 11.0-0 (11.Qh6 Bf8 12.Qe3 b5 13.Nd5) 11...h5 12.Qg3 g5 13.Nh4+= (13.h3 h4)) 10...c6 11.Ba2 b6 (11...d6 12.0-0 Nd7 13.a4 Nc5) 12.0-0 (12.Qh6 Bf8 13.Qe3 d6) 12...Bb7 (12...h5 13.Qg3 g5 14.Ne1+=; 12...d6 13.Qh6 Bf8) 13.d4 (13.Qh6 Bf8) 13...d6 (13...ed4+-) 14.de5 fe5 15.Qh6 Bf6 16.Rfd1 Qe7 (16...Bc8!?=) 17.Na4 Nd7 18.Bc3 0-0-0? (18...Rb8!? 19.Nb6 Nb6 20.Ba5 Na4+/-) 19.Qh3 (better is 19.Nb6 Nb6 20.Ba5+-) 19...g5?? (better is 19...Kc7 20.Nb6! Nb6 21.Ba5 Bc8+-) 20.Nb6+- Kb8 21.Ba5 Nb6 22.Bb6 Rd7 (22...Rdf8 23.Qh5+-) 23.Be6 Rdd8 24.Bd8 Re8 (24...Rd8 25.Bf5 Ka8+-) 25.Be7 (25.Be7 Be7 26.Qh7+-) 1–0. Anonymous – Anonymous, internet, 2011.

7.f4 Na6 8.Be2 (8.Nf3 Na5 9.Be2 d6=) 8...0-0 (8...Be7 9.Nh3-/+) 9.fe5 (9.Bc4 Kg7 10.Nf3 ef4 11.Qf4 b5 12.Bb5 Rb8-/+) 9...fe5 10.Qd8 Rd8 11.Be5?? (better is 11.Nf3 d6 12.0-0-/+) 11...d6 (11...d6 12.Bf6 Re8+=). van Boven,Maarten – Rosner,Dirk, corr or01–008, 2001.

7.f4 b5 8.Bd5 (8.Bb5 a6 9.Bc4 Bc5+=) 8...d6+= 9.Nf3 Qe7 (9...Bc5 10.f5 gf5 11.Qh5 Kd7 12.Nh4=) 10.0-0 Be6 11.Nc3 Bc3 (11...Bc5 12.Kh1 b4 13.Nb5=) 12.Bc3 b4 13.Bb2 a5 14.d4 ed4 15.Qh6 (15.Nd4 Bd5 16.ed5 Nd4 17.Rfe1 (17.Bd4?! 0-0=) 17...Ne2 18.Re2 Qe2 19.Re1 Qe1 20.Qe1 Kd8 21.Bf6 Kc8 22.Qe6 Kb7 23.Bh8+-) 15...Ra6 16.Nh4 White prepares f5 (16.Rae1 Nd7=) 16...Bf7 Black fights for the Initiative 17.f5 (17.Nf3 Qf8 18.Qh3 Ne7+=) 17...Rg8 18.fg6 hg6 19.Rae1 (19.Nf3 Ne5 20.Bd4 c6 21.Bf7 Qf7+=) 19...Nd7 20.Nf3 Nce5 21.Nd4 c6 22.Bf7 Qf7 (worse is 22...Nf7 23.Qh7 Rh8 24.Qg6=) 23.Qh3 (23.a3 ba3 24.Ba3 Qc4-/+) 23...Qa2-+ 24.Ne6 Ra7 25.Be5 de5 (25...fe5 26.Rd1 a4= (26...Qc2 27.Qh7 Rf8 28.Qg6 Ke7 29.Nf8 Qc5 30.Kh1+-)) 26.Qe3-/+ Rb7 (worse is 26...Qe6 27.Qa7 c5 28.Qa5+/-) 27.Nc5 Rc7 28.Nd7 Rd7 (28...Kd7?! 29.Rd1 Kc8 30.Qc5+=) 29.Rf6 Qc2 30.Re6 Re7 (30...Kf7 31.Re5 Qc3 32.Rf1 Kg7 33.Qg5=) 31.Re7= Ke7 32.Rc1 Qb2 (32...Qa4 33.Qa7 Kd6+=) 33.Qc5 (33.Qa7 Kf6 34.Rc6 Kg5 35.Qe7 Kh5=) 33...Kf7 (33...Kf6 34.Qd6 (worse is 34.Qc6 Kg5-/+) 34...Kg5 35.Qe7 Kh5 36.Qh7 Kg5 37.Qe7 Kh6 38.Qh4 Kg7 39.Qe7 Kh6 40.Qh4 Kg7 41.Qe7 Kh6=) 34.Qa7 Kf6 35.Rc6 Kg5 36.Qe7 Kf4? (better is 36...Kh5 37.Qh7 Kg4 38.Qh3 Kg5 39.Qe3 Kh5 40.Qf3 Kh6 41.Qh3 Kg5 42.Qg3 Kh5=) 37.Qf6+- Ke3 38.Qf3 Kd4 39.Rd6 Kc5 40.Rd5 Kc4 (40...Kb6 41.Qf6 Kc7 42.Qd6 Kb7 43.Rb5 Ka7 44.Qc7 Ka8 45.Ra5) 41.Qd3 1–0. Holmberg,Krister – Blixt,Mikael, corr SSKK 2–770, 1992.

7.f4 Nd4 8.c3 Nc2 9.Kd1 Na1 10.cb4 Qe7 11.Ba1 d6 12.fe5 de5 13.Nf3 Be6 14.Be6 Qe6 15.Nc3 Nc6 16.Nd5 0-0-0? 17.Qf6+- Qg4 18.Qg7 Qg2?? 19.Qc7 1–0. nizinna – meacla, kurnik, 2011.

7.a3 Ba5

8.Ne2 d6 9.0-0 Qe7 10.Nbc3 Bc3 11.Nc3 Be6 12.Nd5 Bd5 13.Bd5 Nd7 14.c3 Nb6 15.Ba2 (15.f4 Nd5 16.ed5 Nb8=+) 15...0-0-0 (15...f5 16.Qe7 Ke7 17.d3-/+) 16.d4=+ Na4 (16...d5 17.ed5 Nd5 18.Rfe1=+) 17.Rab1 Nb2 (17...f5 18.Qe7 Ne7 19.Rfe1=+) 18.Rb2 ed4 19.cd4 (19.Qh3!? Kb8 20.Bd5=) 19...Nd4=+ 20.Rc1 Kb8 21.Qf4 (21.Rcb1 b6 22.Rd2 c5-/+) 21...Qe5 22.Qd2 c5 (22...Qe4 23.Re1 Qg4-/+) 23.Rcb1? (23.Bd5 b6=+) 23...b6?? (better 23...Qe4 24.Qe3 Qc6-+) 24.Qa5= Qe4 25.Rb6 ab6?? (25...Ka8 26.Qa6 Rb8 27.Rb8 Rb8 28.Rb8 Kb8 29.Qd6 Kc8 30.Qc5 Kd8 31.Qd6 Kc8 32.Qa6 Kb8=) 26.Rb6 (26.Qb6 Kc8 27.Qb8 Kd7 28.Qa7 Qb7 29.Qb7 Ke8 30.Qf7) 26...Qb7 (26...Kc8 27.Qa6 Kd7 28.Qa7 Qb7 29.Qb7 Ke8 30.Qf7) 27.Bd5 (27.Rb7 Kb7 28.Bd5 Nc6 29.Qb5 Ka7 30.Qa4 Kb7 31.Qc6 Ka7 32.Qb7) 27...Ne2 (27...Rd7 28.Qa6 (28.Rb7?! Rb7 29.g3 h5=) 28...Ne2 29.Kf1 Qb6 30.Qb6 Kc8 31.Qa6 Kc7 32.Qb7 Kd8 33.Qb8 Ke7 34.Qh8+-) 28.Kf1 Rd7 29.Ke2 (29.Qb5!? Qb6 30.Qb6 Kc8 31.Qa6 Kc7 32.Qb7 Kd8 33.Qb8 Ke7 34.Qh8 Nd4+-) 29...Re8 30.Kd3 (30.Kf3 Re5 31.Bb7 Rb7+-) 30...Re5 (30...Qb6 31.Qb6 Kc8+-) 31.Bb7 (31.Rb7 Rb7 32.Qd8 Ka7 33.Bb7 Kb7 34.Qd7 Ka8 35.Qd6 Rh5+-) 31...Rb7?? (better 31...c4 32.Kc4 Ra5 33.Bc6 Kc7 34.Bd7 Kb6-+ (34...Kd7?! 35.Rb3=)) 32.Rb7 (better 32.Qa6 Ree7 33.Rd6 Red7+-) 32...Kb7 33.Qb5 (33.Qd8!? Kc6+-) 33...Kc7 34.Qa6 Kd7 (34...Rh5 35.Kc4+-) 35.a4 (35.Qb7 Ke6+-) 35...Rd5 (35...Re7 36.a5 Ke6 37.Qc8 Kf7 38.a6+-) 36.Kc4 (36.Kc3 Rf5+-) 36...Rd4 37.Kc3 Rb4 38.Qa7 Ke6 39.a5 d5 Black intends c4 (39...Ra4 40.a6+-) 40.a6 (40.Qc5!? Rb1 41.Kc2 Ra1+-) 40...d4 41.Kc2 Rc4 (41...d3 42.Kd3 Rd4 43.Ke3+-) 42.Kd3 (better 42.Kd2!? Ra4 43.Qc5 Ra1+-) 42...Rc3 43.Kd2 c4 (43...f5 44.Qb6 Kf7 45.Qa5+-) 44.Qd4 Rd3 45.Qd3! cd3 46.a7 Kd6 (46...f5 47.a8Q g5 48.Qg8 Kd6 49.Qg5+-) 47.a8Q. pacal56 (2300) - mecker (2240), Rated Blitz game, lichess.org, 2014.

8.Ne2 d6 9.f4 Qe7 (9...f5 10.Qg3 fe4 11.fe5-/+) 10.f5 (10.Nbc3 f5 11.Qe7 Ne7 12.ef5 Bf5 13.fe5 de5=+ (13...Bc2? 14.ed6 cd6 15.Rc1+-)) 10...gf5-/+ 11.Qh5 Kd8 12.ef5 Nd7 13.0-0 Nb6 14.Bb3 d5 15.d4 (15.Nbc3 Rg8-/+) 15...e4 (15...ed4 16.Qh4 Qe3 17.Rf2-/+) 16.Nf4 Qd6 17.Qf7 d5 draws heavy fire 17...Bf5 (17...e3!?=+) 18.Nd5= Rf8 19.Qg7 (better 19.Qc7 Qc7 20.Nc7 Kc7 21.Rf5=) 19...Bg6?? (19...Nd5!? 20.Bd5 Bg6-/+) 20.Nf6?? (better 20.Nc7 Nd4 21.Na8 Nb3 22.cb3 Na8 23.Nc3+/- (23.Bf6?! Ke8=; 23.Rf6?? Qd1 24.Rf1 Rf1)) 20...Qe7 (20...e3 21.Nc3 Qe7 22.Qe7 Ne7 23.Ng4 Rf1 24.Rf1=) 21.Qe7 Ke7 22.d5 Nb8 23.c4 (23.g4 N6d7 24.g5 Bb6 25.Kg2 e3=) 23...N8d7=+ 24.Nd7 Rf1 (24...Nd7 25.Bd4=+) 25.Kf1 Nd7 (worse 25...Kd7 26.c5 Rf8 27.Ke2+=) 26.Nc3? (26.Bd4 c5 27.Be3 Rf8 28.Kg1 Kd6=+) 26...Bc3?? (better 26...Rf8 27.Ke2 Bh5 28.Kd2 Rf2 29.Kc1 e3 (29...Rg2?! 30.Ne4 Rg1 31.Kc2 Ra1 32.Ba1-+) 30.d6 cd6 31.Nd5 Kd8-+) 27.Bc3= c6 (27...Nc5 28.Bc2=) 28.Bb4 c5 29.Bc3 Kd6 30.Ke2 Ne5 (30...b5!? 31.Rf1 Nb6 32.Rf6 Kd7=) 31.Rf1+= Ng4? (better 31...Nd3+=) 32.h3+- Nh6 33.Rf6 Ke7 (33...Kc7 34.Be5 Kd8 35.Rf8 Be8+-) 34.g4 (better 34.d6 Kd8 35.Rf8 Kd7 36.Ra8 Kd6 37.Ra7+-) 34...Rf8?? (34...Rd8 35.Ke3+-) 35.Rf8 (better 35.d6 Kd8 36.Rf8 Kd7 37.Rf6+-) 35...Kf8+/- 36.Ke3 Ke7 (36...Nf7 37.h4 h6 38.Bd1+/-) 37.Kf4 Nf7 38.Bc2 (better 38.h4 Nd6 39.Be5+/-) 38...Nd6= 39.Bb3 a6 (39...Nf7 40.h4 Nd6 41.Be5+/-) 40.Be5 (40.h4 b5+=) 40...b5+= 41.Bd6 Kd6 42.h4 h6 43.g5 h5 44.Ba2 (44.Ke3 Ke5+=) 44...b4= 45.a4 a5 46.Bb3 Bh7 47.Bc2?? (better 47.Bd1 Bg6 48.Ke3=) 47...Bg6 (better 47...e3 48.Ke3 Bc2-+) 48.Be4+- Be4 (48...Be8 49.g6 b3+-) 49.Ke4 b3 50.Kd3 Ke5 51.Kc3 (51.Kc3 b2 52.Kb2+-) 1-0. pacal56 (2215) - mecker (2250), Rated Blitz game, lichess.org, 2014.

8.Ne2 Qe7 9.Nbc3 f5 10.Qh6 (10.Qe7 Ne7 11.f4 ef4=) 10...Qf8 (10...fe4 11.Ne4 d6 12.N2c3=) 11.Qg5 Ne7 12.Nd5 (12.f4 Nbc6=) 12...Nd5+= (12...fe4? 13.Qe5 Bd2 14.Kd1+-) 13.Bd5 d6 14.f4 c6 15.Bb3 fe4 16.0-0? (16.Be5 Bd8 17.Qg3 de5 18.fe5-+) 16...Qf5 (16...Bd2!? 17.Qg3 d5 18.fe5-/+) 17.Qg3 (17.Qf5 Bf5 18.fe5 Bb6 19.Kh1 d5+=) 17...Qg4 (17...Bd2 18.fe5 Qg4 19.ed6 Qg3 20.Ng3+/-) 18.Qg4 Bg4 19.Ng3 (19.Kf2 Bd2 20.Bc4 d5-+) 19...d5 (19...Bd2 20.Ne4 Be3 21.Kh1=) 20.Be5 Bd2?? (better is 20...Bb6 21.Kh1 Rf8-/+) 21.Bh8+- Nd7 (21...Be3 22.Kh1+-) 22.h3 (22.Bd4 c5 23.Rf2 e3 24.Be3 Be3+-) 22...Be6? (22...Be3 23.Kh2 Ke7 24.Rae1+-) 23.Bd4 (23.Ne4!? Be3 24.Kh2 Ke7+-) 23...c5 24.Bg7 (24.Rad1 cd4 25.Rd2 d3 26.cd3 Nc5 27.Bd5 Bd5 28.de4 Bc6+-) 24...Kf7 25.Bb2 c4 26.Ba2 c3 27.Bc1 e3 (27...Kf6 28.Bd2 cd2 29.c4+-) 28.f5 gf5 29.Bd2 (29.Nf5 e2 30.Nd6 Kg6 31.Bd2 ef1R 32.Rf1 cd2 33.Rd1+=) 29...cd2+/- 30.Ne2 (30.Rab1 Rc8 31.Nf5 Bf5 32.Rf5 Kg6 33.Rd5 Nf6+/-) 30...Nb6 (better is 30...Rc8!? 31.Rf3 Rc2+=) 31.Rf3+/- Nc4 (31...Rc8 32.Bb3 Nc4 33.Bc4 Rc4 34.Re3 d4+-) 32.Bc4+- dc4 33.Re3 Rd8 34.Rd1 Kf6 35.Nc3 Bf7 (35...b5 36.Re2+-) 36.g4 (better is 36.Re2!? f4+-) 36...fg4 (36...Bg6 37.Re2 fg4 38.hg4 Bc2 39.Rdd2 Rd2 40.Rd2+-) 37.hg4 (37.Ne4 Kf5 38.Nd2 h5+-) 37...Bg6 (37...Kg5 38.Re2+-) 38.Ne4 (better is 38.Re2!? Bc2 39.Rdd2 Bd3+-) 38...Kg7?? (better is 38...Be4 39.Re4 c3+-) 39.Rd2 (39.Rd2 Rd2 40.Nd2+-) 1–0. Gross – Fernengel, Nahpartie, 1989.

8.Nf3 d6 (8...Bb6 9.Nc3 Na5 10.Be2 h5 11.Nd5 g5 12.Ng5 fg5 13.Bh5+/-) 9.Nc3 f5 10.Qd8 Nd8 11.ef5 Bf5 12.Nd5 c6 13.Ne3-/+.

8.f4 d6 (--> 7.f4 d6 8.a3 Ba5).

8.Qh6 Qe7 (8...Ne7 9.Qg7 Rf8 10.Qh7 c6 11.Nf3 d5 12.ed5 cd5 13.Bd3=) 9.Nc3 Bc3 10.Bc3 d6 11.Nf3 Nd7 12.Rb1 Nc5 13.Qe3+=.

7.a3 Bc5

8.Nc3 a6 9.Nd5 Be7 10.Nf3 Na5 11.Ba2 c6 12.Ne7+= Qe7 13.0-0 d6 14.d4 Be6= 15.d5 cd5 16.ed5+= Bd7 17.Bc3 b6 18.Qb4 Nb7 19.Qb6+= Nc5 20.Bb4 Bb5 21.Bc5 dc5 22.d6 Qd7? 23.Bd5+- (23.Bd5 Bc6 24.Qc5 Bd5 25.Qd5+-) 1–0. iivanov (2485) – wvmaniac (2465), net–chess.com, 2008.

8.Nc3 Nd4 9.Rc1 c6-/+ 10.Na4 Be7 11.Qh6 d5 12.Qg7-/+ Rf8 13.Bb3 Nb3-+ 14.cb3 Be6 15.Qh7-/+ Bf7 16.f3 Nd7 17.b4 de4-+ 18.fe4 Qc7 19.Ne2 0-0-0 20.0-0 f5 21.ef5= gf5 22.Rf5 Be6 23.Rf8+= Nf8 24.Qe4 Rd2 25.Be5 Bd6 26.Bd6+/- Qd6 27.Nc5 Rd1 28.Rd1+- Qd1 29.Kf2 Qd5 30.Nf4 Qa2 31.Kg3 Qa3 32.Kh4 Bd7 33.Qe7 Ng6 34.Ng6 Qb4 35.Kg5 Qg4 36.Kh6 Bf5 37.Qb7 Kd8 38.Qb8 Bc8 39.Nb7 Ke8 40.Qe5 Qe6 41.Qh8 Kf7 42.Nd8 (42.Qf8) 1–0. redrook (2525) – hockhin (2355), net–chess.com, 2008.

8.Nc3 Nd4 9.Nd5 Nc2 10.Kd1 Na1 11.Nf6 Ke7 12.Be5 d5 13.Bd5+-.

8.Nc3 Nd4 9.Nd5 Nc2 10.Kd1+= Na1 11.Nf6 Kf8? 12.Nh7+- Ke8 13.Nf6 Ke7 14.Ng8 (14.Ng8 Ke8 15.Qh8+-) 1–0. iivanov (2485) – halilgulsen (2335), net–chess.com, 2008.

8.Nc3 d6 9.Nf3 Nd7 10.0-0 Nb6 11.Bb3 Na5 12.Qh6 Qe7 13.Ba2-/+.

8.Nc3 d6 9.Qh6 Nd4 10.Qg7 (10.Rc1 Be6 (10...Qd7; 10...Ne6) 11.Nd5 Kf7 12.c3 Ndc6 13.d4 b5 14.Bb5 ed4 15.Nf4=) 10...Rf8 11.Nd5 Nd7 12.Qh7 (12.Bd4 c6 13.Bc5 cd5 14.Bd6 dc4 15.Qh7+-) 12...Nc2 (12...c6 13.Qg6 Rf7 14.Nc7 Qc7 15.Qf7+-) 13.Kd1 Na1 (13...Nb6 14.Qg6 Kd7 15.Qg7+-) 14.Qg6 Rf7 15.Nb6! Qe7 (15...cb6 16.Qf7) 16.Na8 (16.Qf7?! Qf7 17.Bf7 Kf7 18.Na8 Nb3+-; 16.Bf7?! Qf7 17.Qf7 Kf7 18.Na8 Nb3 19.Nc7 Bf2+-) 16...Kf8 17.Nc7 (worse is 17.Qf7 Qf7 18.Bf7 Kf7 19.Ba1 c6+-; worse is 17.Bf7 Qf7 18.Qf7 Kf7 19.Ba1 c6+-) 17...Bf2 (17...Nb6 18.Qf7 Qf7 19.Bf7 Kf7 20.Ba1 Bf2+-) 18.Ne6 Ke8 19.Ng7 Kd8 20.Qf7 (20.Ba1 Rg7 21.Qf5 Rg2-/+) 20...Qf7 21.Bf7 Bd4 (21...Ke7 22.Ba2 Nc5 23.Ba1+-) 22.Ne6 Ke7 23.Nd4 Kf7 24.Nb5 Ke6 25.Na7 Nb3 26.Nc8 Ndc5 27.Kc2 Na5 (27...Ne4 28.Nf3 Nbc5 29.Rb1+-) 28.d3 Nc6 29.h4 b5 (29...d5 30.ed5 Kd5 31.h5+-) 30.h5 Nd8 31.h6 Nf7 32.h7 Nh8 33.Nf3 Na6 34.Rh6 Nc7 35.Nd6! Kd6 36.Be5 Kd7 37.Bf6 Nf7 38.Ne5 Ne5 39.Be5 Ne6 40.h8Q Nc5 (40...Ng7 41.Qg7 Ke8 42.Rh8) 41.Qg7 (41.Qg7 Ke8 42.Rh8) 1–0. pcmvr (2780) – redrook (2525), net–chess.com, 2008.

8.Nc3 d6 9.Qh6 Qd7 10.Nf3 Rf8 11.Nd5 Na5 12.Be2 c6 13.Ne3 b5 14.0-0 Qe7 15.Rfd1 f5=+.

8.Ne2 Na5 9.Ba2 Nbc6 10.f4 (10.Nbc3 f5 11.Qh6 Bf8 12.Qe3 d6 13.0-0 Bg7+=; 10.Qh6 Bf8 11.Qe3 b6 12.0-0 Bc5 13.Qh6 Ba6+=) 10...d6 11.Qh6 Qd7 12.Nbc3 Rf8 13.Na4 Bd4+=.

8.Ne2 a6 A) 9.Nbc3 b5 (9...Na5 10.Ba2 h5 11.Na4 Bd6 12.Qg3 Rh6 13.Qd3 Qe7= ) 10.Bb3 (10.Bd5 d6 11.Qh6 Qe7 12.0-0 Ra7 13.Bb3 Qf8+= ) 10...f5 11.Qh6 Bf8 12.Qe3 f4 13.Nf4 Bh6+= ; B) 9.f4 B1) 9...Na5 10.Ba2 (10.Bd5 c6 11.Ba2 d6 12.Bc3 b6 13.f5 gf5+= ) 10...d6 11.f5 gf5 12.d4 Ba7 13.Qh5 Kd7= ; B2) 9...d6 10.f5 b5 11.Bd5 Ke7 12.Rf1 Qf8 13.c3 Bb7+= ; C) 9.Bd5 C1) 9...d6 10.Nf4 (10.c3 f5 11.Qd8 Kd8 12.d4 Bb6 13.Nd2 fe4-/+ ; 10.Qh6 Qe7 11.c3 Bb6 12.d4 ed4 13.cd4 f5+= ; 10.Nbc3 Nd4 11.Nd4 Bd4 12.Rb1 c6 13.Bb3 b5-/+) 10...Rf8 11.Qh7 ef4 12.Qg6 Ke7 13.Qh7 Ke8=; C2) 9...Qe7 10.Qg3 (10.f4 d6 11.Nbc3 Nd4 12.Nd4 Bd4 13.Rb1 c6-/+ ; 10.Qh3 Qd6 11.Qb3 b5 12.Bf7 Kf8 13.a4 Na5-/+ ; 10.Nbc3 d6 11.Rb1 f5 12.Qe7 Ne7 13.ef5 gf5-/+ ; 10.Qg4 Rf8 11.Nbc3 f5 12.Qg3 d6 13.Na4 Ba7-/+ ) 10...d6 11.c3 f5 12.d4 Bb6 13.Nd2 fe4+= ; D) 9.Qh6 D1) 9...b5 10.Ba2 (10.Bd5 Qe7 11.Nbc3 d6 12.0-0 Ra7 13.Bb3 Qf8+=; 10.Qg7 Rf8 11.Bd5 Qe7 12.Qe7 Be7 13.0-0 Bb7+= ) 10...Bf8 11.Qe3 Bb7 12.0-0 Qe7 13.Nbc3 Qd6= ; D2) 9...Qe7 10.d3 (10.Bd5 d6 11.c3 Bb6 12.d4 f5 13.Nd2 fe4+= ; 10.Bb3 Na5 11.Nbc3 c6 12.Ba2 b5 13.0-0 d6+=; 10.Ba2 Nd4 11.Nd4 ed4 12.0-0 Nc6 13.d3 d6+=; 10.0-0 Na5 11.Ba2 b5 12.Nbc3 c6 13.d3 d6+=; 10.Qh4 d6 11.Nbc3 f5 12.Qh6 b5 13.Bd5 Rf8-/+) 10...Na5 11.Ba2 b5 12.Qd2 Nac6 13.Nbc3 Qd8+=; E) 9.0-0 f5 10.Qh6 Qf6 11.Nbc3 b5 12.Nd5 Qd6 13.Bb3 Rf8=.

8.Ne2 d6 9.f4 Qe7 (better is 9...Nd7!?-/+ 10.f5 Na5 11.Ba2 Ke7 12.c3 Nc6 13.d4+=) 10.Nbc3= Be6 (10...f5!? 11.Qh6 (11.Qe7 Ke7 12.Rb1 Rf8 13.Rf1+=) 11...Be6 (11...Rf8 12.Nd5 Qd7 13.ef5=) 12.Be6 Qe6+= 13.Qg7=; 10...Nd7 11.Nd5 Qd8 12.f5 Ne7 13.Ng3=) 11.Be6+/- Qe6 12.Nd5 Bb6 (12...0-0 13.Nc7 Qc4 14.Na8 Qc2 15.Bc3+/-; 12...Kd8 13.fe5+=) 13.Nf6 Kf7? (better is 13...Kd8+/-) 14.Nd5 Nd7 15.Nb6 (better is 15.Rf1 Rhf8 16.fe5 Kg8 17.Nef4 Rf4 18.Rf4 (18.Nf4 Qc4 19.e6 Qe4 20.Kd1 Nde5+-) 18...de5 19.Rf3+-) 15...ab6+/- 16.0-0 Kg7 17.fe5 de5 (17...Nde5? 18.d4 Rhf8 19.de5 Rf1 20.Rf1 de5 21.Nf4+-) 18.d4 ed4 (18...Qc4 19.d5 Qc5 20.Rf2+-) 19.Nd4 (19.Bd4 Nde5 20.Nf4 Qd6 21.Nh5 Kg8 22.Nf6 Kg7+-) 19...Nd4 20.Bd4 Ne5 21.Qg5 (21.Be5!? Qe5 22.Rad1+/-) 21...Rhe8+= 22.Rf5 Ra5 23.Raf1 Kg8 24.Qg3 (24.Bc3 Nf7 25.Qg3 Rf5 26.ef5 Qe3 27.Qe3 Re3 28.fg6 hg6=) 24...Nc6 (24...Qd6 25.Bc3 Qa3+=) 25.Bf2 (25.Bb2 Rf5 26.ef5 Qe3 27.Qe3 Re3 28.fg6 hg6+=) 25...Qd6 Exerts pressure on the isolated pawn (25...Raa8+=) 26.Qg4 (better is 26.Qb3 Kh8 27.Ra5 Na5 28.Qc3 Kg8 29.Bg3 Qc5 30.Qc5 bc5 31.Bc7=) 26...Ne5-/+ 27.Qg5?? (better is 27.Qg3-/+) 27...Kh8 (better is 27...Nf7 28.Ra5 Ng5 29.Rg5 Re4-+) 28.Qf6= Qf6 29.Rf6 Ng4 30.Rf7 Nf2 (worse is 30...Ra3 A) 31.Rc7?! Nf2 (31...Re4 32.Bd4 Nf6 33.Bf6 Kg8 34.Bb2 Rc3 35.Bc3 Re8 36.Rg7 Kh8 37.Rg6 Re5 38.Be5) 32.Kf2 Re4+=; B) 31.Bd4 Ne5 32.Rc7+-; worse is 30...Re4 31.Rd1 Kg8 32.Rc7+=) 31.R1f2 Ra3 32.h3 Re3 (better is 32...Rc3!?=) 33.Rc7+/- R3e4 34.Rff7 Rh4 35.Rb7 Rc8 (35...g5 36.Kh2+/-) 36.Rb6 Kg8 37.Rd7 Rhc4 (37...Re4 38.Rbb7 h5 39.Rd6+-) 38.Rbb7+- Rc2 (38...h5!?+-) 39.Rg7 (39.Rh7?! R2c6+/-) 39...Kh8 40.Rh7 Kg8 41.Rhg7 Kh8 42.Rg6 Rc1? (42...R8c5+-) 43.Kh2 R1c3 (43...R8c4 44.Rbg7+-) 44.Rb4 Kh7 45.Rg3 Rg3 46.Kg3 Rg8 (46...Kh6 47.Kg4 Rg8 48.Kf3 Rf8 49.Rf4+-) 47.Kh2 Rd8 48.Rb6 Rd2 (48...Rd4 49.g4+-) 49.h4 Rd3 50.g3 Rd2 51.Kh3 Rd3 52.Rf6 (52.h5 Kg7+-) 52...Rd4 (52...Rd5 53.g4+-) 53.g4 (53.h5!? Rd1+-) 53...Rd5 (53...Rd3 54.Kg2+-) 54.Rf5 (54.Rf5 Rd3 55.Kg2+-) 1–0. Tagirov,Kajum K (1920) – Ivanov,Vladislav, Memorial Siamidi, 2008.

8.Ne2 d6 9.Qh6!? f5 (9...Na5 10.Qg7 Rf8 11.Bg8 Qd7 12.Qh7 Qg4 13.Rg1=) 10.Qg7 (10.Nbc3+= Qd7 11.f4 Rf8 12.ef5 Rf5 13.Nd5+=) 10...Rf8 11.Qh7 Ne7 12.Nbc3 c6 13.f4+=.

8.Ne2 Qe7 9.Nbc3 d6 10.Nd5 Qf8?? 11.Nf6 Kd8+/- 12.Nh7 Qe7 13.Qe7 Ne7 14.Ng5 Rf8 15.0-0 c6 16.d4 ed4 17.Bd4 Bb6? 18.a4 Kc7? 19.a5 Bd4 20.Nd4 Rf6 21.f4 a6 22.Bd3 c5 23.Ne2 Nbc6 24.Nc3 Bd7 25.Rae1 Raf8? 26.g3 Na5 27.e5 de5 28.Re5 Nec6? 29.Nd5+- Kd6 30.Nf6 (30.Nf6 Rf6 31.Ne4 Kc7 32.Nf6 Ne5 33.fe5+-; 30.Ne4) 1–0. bratek55 (1695) – skenderdemiri (1615), kurnik, 2011.

8.Ne2 Be7 9.Qg3 Na5 10.Ba2 c6 11.Nbc3 b6 12.f4 d6 13.fe5 de5 14.0-0-0 (14.Rd1 Bc5+=) 14...c5 (14...Bd6 15.h4-/+) 15.Nd5 Nac6 16.h4 Nd4 (16...Ba6 17.Rde1+=) 17.Nec3 (better is 17.Nd4 cd4 18.h5+/-) 17...Be6 18.Kb1 Qd7 19.h5 g5 20.h6 Nbc6 21.Rhf1 The backward pawn on f6 becomes a target 21...Rf8 22.Ne7 Qe7 (22...Ba2 23.Na2 Ne7 24.Rf2-/+) 23.Be6 Qe6 24.Nd5 0-0-0 25.c3 (25.Bd4!? cd4 26.Rf2+=) 25...Ne2-/+ 26.Qd3 Nf4 27.Qa6 Kb8 28.g3? (better is 28.Ne3-/+) 28...Nd5-+ 29.ed5 Qd5 30.Ka1 Na5 31.Rf2 (31.d4 Nb3 32.Kb1 cd4 33.cd4 Nd4-+) 31...Nb3 32.Kb1 Qd3 (better is 32...c4 33.Ka2 Rd6-+) 33.Ka2 (33.Qd3 Rd3 34.c4-+) 33...Qa6 34.Kb3 Rd3 35.Rdf1 (35.Rg1 Qb5 36.Kc2 c4-+) 35...b5 (35...Qb5 36.Kc2 Rg3 37.Kc1-+) 36.g4 (36.Kc2 Rg3 37.Kd1 Qa4 38.Kc1 Rh3-+) 36...Qd6 (36...Qa4!? 37.Ka2-+) 37.Bc1 a5 (better is 37...Rg3-+) 38.Rf3 (38.Rg1 b4 39.Kb2 bc3 40.dc3 Kc7-+) 38...e4 39.Rf5 a4 40.Kc2 Qe6 41.Bb2 Rfd8 42.R1f2 Qb3 43.Kc1 b4 0–1. an27 (1650) – m3011, kurnik, 2013.

8.Ne2 f5 9.Qd8 (9.Qh6 fe4 10.Bd5 Qf6 11.0-0 Rf8 12.Nbc3 Bf2 13.Kh1 e3-/+) 9...Kd8 10.d3 (10.Nbc3 Nd4 11.Nd4 Bd4 12.Rb1 d6 13.d3 c6-/+; 10.ef5 gf5 11.Nbc3 d6 12.Na4 Nd7 13.Be6 Nb6-/+; 10.Ng3 Rf8 11.ef5 gf5 12.Nc3 d6 13.Nce2 f4-/+; 10.Bd5 d6 11.f4 Re8 12.fe5 de5 13.ef5 gf5-/+; 10.Ra2 d6 11.Bd5 Re8 12.Ng3 Rf8 13.ef5 gf5-/+) 10...fe4 11.de4 d6 12.Nd2 Rf8 13.Rf1 Nd7-/+.

8.Nf3 Na5 9.Be2 Nbc6 10.Qh6 Bf8 11.Qe3 d5 12.ed5 Qd5 13.d4=.

8.Nf3 Qe7 9.Nc3+- d6 (9...f5!? 10.Qe7 Ke7 11.Nd5 Kd8+/-) 10.Nd5 Qg7 11.Nf6 Qf6?? (11...Kf8 12.Nd5 h6+-) 12.Qf6 (12.Qf6 Rf8 13.Qg7+-) 1–0. pierre – oppoxq, internet, 2010.

8.Qh6 f5 9.ef5=.

8.Nc3 Na5

9.Ba2 Nbc6 10.Nd5= Be7 11.Ne2 (11.f4 h5 12.Qg3 Rh6 13.fe5 fe5 14.Be5=) 11...d6 12.0-0 (12.d4 Bd7 13.f4 ef4 14.Qf4=) 12...b5 (12...f5 13.Qh6 Bf8 (13...fe4 14.Qg7=) 14.Qe3+=) 13.d3 (13.Qh6 Bf8 14.Qe3=) 13...h5 (13...f5 14.Qh6=) 14.f4 (14.Qg3=) 14...Bg4 15.Nec3 g5 16.fg5 (16.Qf2 gf4 17.Nb5 Rc8 18.Na7 Rb8+/-) 16...fg5+= 17.Qe1 Nd4?? (better is 17...a6+=) 18.Ne7+- Qe7 (18...Nc2 19.Qf2 Qe7 20.Bf7 Kd7+-) 19.Nd5 Ne2 20.Kh1 Qg7 1–0. pcmvr (2780) – iivanov (2485), net–chess.com, 2008.

9.Ba2 d6 10.Na4 A) 10...Nd7 11.Nf3 Nc6 12.0-0 Qe7 13.Rae1 h5 14.Qg3 g5+=; B) 10...Na6 11.Ne2 (11.Nf3 h5 12.Qg3 g5 13.h3 Bd7 14.Nc5 Nc5-/+) 11...Bd7 12.Nc5 Nc5 13.d4 Na4 14.Bc1 Bb5+=; C) 10...Bd4 11.Bd4 ed4 12.Nf3 Nbc6 13.Bd5 h5 14.Qf4 Qe7-/+.

9.Ba2 d6 10.Nge2 Nac6 11.Nd5 Be6 12.Nc7 Qc7 13.Be6 Qe7 14.Qg4 Na6+=.

9.Ba2 d6 10.Nf3 h5 11.Qg3 g5 12.h3 Na6 13.Rb1 Rf8 14.Rd1 h4-/+.

9.Ba2 d6 10.Nf3 h5 11.Qg3 g5 12.h3 h4 13.Qh2 Nbc6 14.Nd5+=.

9.Ba2 d6 10.Nf3 h5 11.h3 g5 12.Qg3 h4 13.Qh2 Nbc6 14.Nd5 Rh7-/+.

9.Ba2 h5!?+= 10.Na4 Be7 11.Qg3 Rh6 12.Qd3 c6 13.Nf3 b5 14.Qe3+=.

9.Ba2 h5!?+= 10.Rb1 g5 (10...Nbc6 11.Qg3 g5 12.h4 g4 13.Nge2 a6 14.Qd3+=; 10...Nac6 11.Qg3 g5 12.Na4 Bf8 13.Ne2 d6 14.0-0=) 11.Qg3 Nbc6 12.h4 g4 13.Nge2 a6 14.0-0+=.

9.Ba2 h5!?+= 10.Qg3 g5 11.Na4 Na6 12.Qc3 b6 13.Nf3 Be7 14.d4=.

9.Ba2 h5 10.Qg3 g5 11.h4 g4 12.Na4 Bd6 13.Ne2 Nbc6 14.0-0 a6=.

9.Ba2 h5 10.Qg3 Rh6 11.Na4 (11.Nf3 d6 12.Na4 Na6 13.Nc5 Nc5 14.d3 g5+=; 11.Qd3 c6 12.Na4 Bf8 13.Nc3 b6 14.Qe3 h4+=) 11...Bf8 12.Nh3 g5 13.Ng5 fg5 14.Qe5 Qe7+=.

9.Ba2 c6

10.Rb1 a6 11.f4 d6 12.Nf3 Nd7 13.f5 Nf8 14.Na4=.

10.Rb1 Na6 11.Nf3 b5 12.0-0 d6 13.Ne2 h5 14.Qg3+=.

10.Rb1 Na6 11.Nf3 Nc7 12.0-0 b6 13.Rfd1 d6 14.d4 ed4=.

10.Rb1 b5 11.Nce2 Nc4 12.Bc4 bc4 13.Nf3 d6 14.Nc3 h5-/+.

10.Rb1 b5 11.Nf3 d6 12.0-0 Na6 13.Ne2 h5 14.Qg3 g5+=.

10.Rb1 b5 11.Qg3 d6 12.Nf3 Nd7 13.h4 Nb6 14.d3 Rb8-/+.

10.Rb1 b6 11.Nf3 Na6 12.0-0 d6 13.Na4 f5 14.Qh6 fe4=.

10.Rb1 b6 11.Nf3 Nb7 12.0-0 d6 13.Na4 h5 14.Qg3+=.

10.Rb1 h5 11.Qg3 g5 12.h4 g4 13.Na4 Na6 14.Ne2=.

10.Rd1 b5 11.Nge2 Nc4 12.Bc4 bc4 13.f4 d6 14.Na4+=.

10.Rd1 b5 11.Nf3 Nc4 12.Bc4 bc4 13.Rb1 d5 14.Na4 Be7-/+.

10.Rd1 h5 11.Na4 Be7 12.d4 b5 13.Qg3 g5 14.de5 Nb7+/-.

10.Rd1 h5 11.Na4 Be7 12.Qg3 g5 13.h4 d6 14.d4=.

10.Nge2 b5 11.0-0 d6 12.Rad1 f5 13.Qd8 Kd8 14.d4 ed4+=.

10.Nge2 b5 11.0-0 d6 12.Qh6 Qc7 13.Qh4 Qg7 14.Rfd1+=.

10.Nge2 b5 11.f4 d6 12.f5 Ke7 13.Ng3 Nd7 14.Rb1 Nb6+=.

10.Nge2 h5 11.Na4 Be7 12.Qg3 g5 13.h4 d6 14.Nac3 Nd7+=.

10.Nge2 h5 11.Qg3 Rh6 12.Na4 Bf8 13.d4 b5 14.Nac3=.

10.Nf3 b5 11.0-0 d6 12.Rab1 Na6 13.Ne2 h5 14.Qg3 g5+=.

10.Nf3 b5 11.Rd1 Nc4 12.Bc4 bc4 13.Na4 Be7 14.Qh6+=.

10.Nf3 Qe7 Attacking the isolated pawn on a3 11.0-0 (11.Na4 Bd6 12.d4 ed4 13.Bd4 Rf8 14.Bb6 Be5+=) 11...d6 (11...b5 12.Rfd1 Nc4 13.Bc4 bc4 14.d4 cd3=) 12.Na4 Nd7 (12...h5 13.Nc5 g5 14.Ng5 fg5 15.Qg3=) 13.Bc3= b6 (13...Bb6 14.Nb6 ab6=) 14.Rfb1 (14.Nc5 Nc5 15.Ba5 h5=) 14...Nb7 (14...Ba3+=) 15.d3 (15.Nc5 Nbc5 16.d4 ed4 17.Nd4 Bb7= (17...Ne4?? 18.Nc6 Nc3 19.Ne7 Ke7 20.Rb3+-)) 15...b5 (better is 15...Ba3!? 16.Bb3 Bc5-/+) 16.Nc5= dc5 17.Qh6 Qf8 (17...Nb6 18.Bd2=) 18.Qe3 (18.Qf8 Rf8 19.Bd2 g5=) 18...Qd6 19.a4 a6 (19...b4 20.Bd2=) 20.ab5 cb5 (20...ab5? 21.Bf7 Kf7 22.Ra8+-) 21.Qh6 Qf8 22.Qh4 Nd6 (22...b4 23.Bd2=) 23.Bd5 White begins to deal mighty blows 23...Bb7 (23...Ra7!?=) 24.Bb7+/- Nb7 25.Rb5! Nd6 (25...ab5 26.Ra8) 26.Rba5+- Qe7 27.Qh6 (27.Ra6 Ra6 28.Ra6 0-0+-) 27...Qf8 (better is 27...Nb8!?+/-) 28.Qh3+- (28.Ra6?! Ra6 29.Qf8 Kf8 30.Ra6 Ke7+/-) 28...Qe7 29.Ra6 Opening the a–file gets White a lot of play 29...Ra6 30.Ra6 0-0 31.Ra7 f5 (better is 31...Rf7+-) 32.Ne5! (32.Ne5 Rb8 33.f4+-) 1–0. pcmvr (2780) – wvmaniac (2465), net–chess.com, 2008.

10.Qg3 Na6 11.Nf3 d6 12.0-0 b5 13.Rab1 Rb8 14.Ne2+=.

10.Qg3 b5 11.Nf3 d6 12.0-0 Na6 13.Rfb1 Qd7 14.Ne2+=.

10.Qg3 d6 11.Rb1 Nd7 12.Nf3 Nb6 13.d3 d5 14.ed5 cd5+=.

10.Qg3 d6 11.Nf3 b5 12.0-0 Qe7 13.Rab1 Nd7 14.d3 f5-/+.

10.Qg3 d6 11.Nf3 Nd7 12.0-0 Nb6 13.d3 Rf8 14.Qh4+=.

8.Ne2 Nd4

9.Bd4 ed4 10.Nf4 (10.Nc1 d6 11.Nd3 f5 12.Qg3 Qe7 13.Nc5 dc5-/+) 10...f5 11.Qh3 Qf6 12.Nd5 Qd6 13.ef5 c6+=.

9.Nd4 ed4

10.0-0 Nc6 11.d3 Ne5 12.Nd2 h5 13.f4 Nc4=.

10.0-0 Nc6 11.Bd5 Qe7 12.Qg3 d6 13.Bc6+=.

10.c3 Nc6 11.Bd5 dc3 12.Nc3 Ne5 13.Na4 Nd3+=.

10.d3= Nc6 11.0-0 Ne5 12.Bd5 c6 13.Bb3+=.

10.d3 Nc6 11.Nd2 f5 12.Qd8 Kd8 13.Nb3 Bb6=.

10.d3 d6 11.0-0 (11.c3 Nc6 12.Bb5 dc3 13.Bc3 0-0+=) 11...Qe7 (11...Nc6 12.Nd2 f5 13.Qh6 Qf6=) 12.Nd2 Be6 (12...Nc6 13.Bd5 f5=) 13.Be6 (13.Bd5 g5=) 13...Qe6 14.f4 Qf7 15.Nb3 Nc6 16.e5 (16.Qf2 0-0-0=) 16...0-0 (16...fe5 17.fe5 Qe7 18.Qf6+=) 17.Rae1 Rae8 18.ef6 (18.ed6!? cd6 19.f5+=) 18...Re1-/+ 19.Re1 Qf6 20.Qf6 Rf6 21.g3 Bb6 22.Kg2 Kf7 23.Re2 Re6 24.Re6 Ke6 25.Kf3 Kd5 26.Kg4 h6 27.h4 Ke6 28.Nd2 (28.h5 Kf7+=) 28...d5 (better is 28...h5!? 29.Kg5 Ne7-/+) 29.Nf3= Bc5 (29...Kf6 30.h5=) 30.h5+= Kf6 31.hg6 (31.Nh4 gh5 32.Kh5 Bf8+=) 31...Kg6= 32.Nh4 Kf6 (32...Kg7 33.Nf5 Kg6 34.Nh4 Kg7 35.Nf5 Kg6 36.Nh4=) 33.Kh5 Bf8 34.Nf3 (34.Ng6 Bg7+=) 34...Kf5 (34...Kf7!?=) 35.Nd4+/- Nd4 36.Bd4 Ba3 The passed pawn on a7 quickly leads to threats 37.Bg7 (37.Ba7!? b6 38.Bb8+=) 37...a5= 38.Bh6 (worse is 38.Kh6 a4 39.Kh5 Bd6-/+) 38...Bb2 (38...a4 39.g4 Kf6 40.g5 Kf5 41.g6=) 39.g4 (39.Bg5 a4 40.g4 Ke6+=) 39...Kf6= 40.g5 Kf7 41.f5 (41.g6 Kg8 42.f5 Bf6=) 41...a4 42.f6?? (better is 42.g6 Kf6 43.Bf8 Kf5 44.Kh6=) 42...a3-+ 43.Bg7 a2 44.g6 Ke6 (44...Ke6 45.Kh6 Bf6 46.Bf6 Kf6-+) 0–1. Schuchardt,Wolfgang (1685) – Lossin,Sven Hendrik (1895), Germany, 2005.

10.Qg3 Nc6 11.Bd5 Ne7 12.Bc4 a6 13.0-0 b5+=.

10.h3 Nc6 11.0-0 Ne5 12.Bb3 d6 13.f4 Nd7+=.

8.Nf3 d6

9.0-0 Nd7 10.c3 Na5 11.Be6 Nb6 12.Bc8 Rc8 13.d4+=.

9.Nc3 Na5 10.Ba2 c6 11.Qh6 Qe7 12.h3 Qf8 13.Qh4 b5 14.d3 Qe7 15.Ne2 Be6 16.Be6=+ Qe6 17.Bc3 Nb7 18.d4 Bb6 19.a4 Nd7 20.ab5 0-0?? 21.bc6+- (21.bc6 Nbc5 22.cd7 (22.dc5?! Nc5 23.Nd2 Rfc8+-) 22...ed4 23.Bd4 Ne4 24.0-0+-) 1–0. redrook (2525) – wvmaniac (2465), net–chess.com, 2008.

7.a3 Be7

8.Ne2= Na5 9.Ba2 Nbc6 10.Qh6 Bf8 11.Qe3 b6 12.0-0 Bc5 13.d4+=.

8.Ne2 d6 9.0-0 Na5 (9...f5 10.Qh6 Na5 11.Qg7+=) 10.Ba2+= c5 (10...f5 11.Qg3 Rf8 12.Nbc3+=) 11.Nbc3 (11.Qh6 Bf8 12.Qe3 Qb6=) 11...f5+= 12.Qh6 Bf8 (12...c4 13.d3+=) 13.Qe3= f4 (13...Nbc6 14.f4=) 14.Qd3 b6? (better is 14...c4 15.Bc4 Nc4 16.Qc4 f3 17.gf3 Bh3+=) 15.Qd5+/- (15.Qd5 c4 16.Nf4+/- (16.Qa8?! Bb7 17.Qa7 Nbc6 18.Qb7 Nb7=; 16.Bc4?! Nc4 17.Qa8 f3+=)) 1–0. DEFFM – GuestCLNS, freechess.org, 2018.

8.Ne2= d6 9.Qh6 Bf8 10.Qe3 Na5 11.Ba2 Nd7 12.0-0 Nb6 13.Qd3+=.

8.Ne2 d6 9.Qh6 Bf8 10.Qe3 f5+=.

8.Ne2 Bf8 9.0-0 Bg7 10.f4 d6 11.Nbc3 Ne7 (11...f5 12.Qe1+=) 12.fe5 de5 (12...fe5? 13.Rf7 d5 14.Bd5+- (14.Rg7?! dc4 15.Qf6 Rf8 16.Qe5 Nd7+-)) 13.Rad1 (worse is 13.Rf6 Nf5 (13...Bf6?! 14.Qf6 Rf8 15.Qe5=) 14.Re6 Be6 15.Qd8 Kd8 16.Be6 Nd4 17.Nd4 ed4-/+) 13...Nbc6 14.d4 ed4 15.Nb5 g5? (15...Bd7 16.Ned4 Nd4 17.Bd4 Bb5 18.Bb5 c6 19.Bc4+-) 16.Qh5 (better is 16.Qg3!? f5 17.Bd4 (17.Nc7?! Qc7 18.Qc7 Be5 19.Bd4 Bc7 20.Bh8 Ng6+-) 17...Nd4 18.Ned4+- (18.Nbd4?! Qd6+-)) 16...Ng6+/- 17.Ned4 (worse is 17.Bd4 Nd4 18.Nbd4 Qe7 19.Bb5 Kf7 20.Qg5 c6+=) 17...Nd4 18.Bd4 (worse is 18.Rd4 Qe7 19.Bc3 a5+=) 18...Qe7 (18...a6 19.Bf6 Bf6 20.Bf7 Kf7 21.Rd8+-) 19.Bf6! (19.Na7?! Bd7+=; 19.Ba7 Ra7 20.Na7 Qc5 21.Kh1 Qa7+=) 19...Bf6 20.Rf6! Qf6 21.Nc7 Ke7 22.Nd5 (22.Na8?! Bd7 23.e5 Ne5+=) 22...Kf7 23.Nf6 Kf6 24.Rf1 Kg7 (24...Ke5 25.Qg5 Bf5 26.Rf5 Kd6 27.Rf7 Ne5 28.Qe7 Kc6 29.Rf6) 25.Rf7 Kg8 26.Qh6 (26.Qh6 Be6 27.Qg7) 1–0. GuestJBFW – magdiguest, freechess.org, 2018.

8.Nf3 a6 9.Nc3 (9.Qh6 Bf8 10.Qe3 b6+=) 9...Na5 (9...h5 10.Nd5+=) 10.Ba2 Nbc6 (10...d6 11.d4+=) 11.Qh6 (11.Nd5 h5=) 11...Bf8+= 12.Qe3 Qe7 (12...g5 13.0-0=) 13.Nd5= Qd6 14.0-0 Rb8 15.a4 (15.d4 b5=) 15...Kd8 (15...b6 16.d4 ed4 17.Nd4=) 16.Rfd1 (16.d4 ed4 17.Nd4+=) 16...Be7? (16...b6!?=) 17.d4+= (worse is 17.Ne7 Qe7 18.d4 ed4 19.Nd4 d6=) 17...Nb4?? (17...ed4 18.Nd4 Nd4 19.Bd4 c5+-) 18.de5+- fe5 (18...Nd5 19.ed5 Qb4+-) 19.Be5 Qc5 (19...Nd5 20.Bd5 Qc5+-) 20.Bc7 Ke8 (20...Qc7 21.Nc7 Na2 22.Ra2+-) 21.Nf6!! Kf8 (21...Bf6 22.Qc5 Deflection (22.Bb8 Zwischenzug)) 22.Qh6 1–0. guestjrav – guestpgnq, internet free game, 2018.

8.Nf3 d6 9.Nc3 Na5 10.Be2 f5 11.Qh6 fe4 12.Ne4 Bf5 13.Qe3+=.

8.Nf3 d6 9.Nc3 f5 10.Qh6 Bf8 11.Qe3 Bg7 12.ef5 Bf5 13.0-0 Ne7 14.Nd5 c6 (14...Bc2?! 15.Rac1 Nf5 16.Qe2+=) 15.Ne7 Qe7 16.Rfe1 Bc2 17.Nd4 (17.d4 d5 18.Ne5 dc4-/+) 17...Bf5-/+ 18.a4 (18.f4 Nd7-/+) 18...Nd7-+ 19.a5 Qh4 (19...d5 20.a6 Qb4 21.Nf5 gf5 22.Qg5-+) 20.a6 b6 (20...ba6 21.f4 Rb8 22.Bc3-/+) 21.Rac1 d5 (21...Bh6!? 22.Qe2 Qg5-/+) 22.Bb3+= Be4 23.Ne6 Bh6 24.Qe2 Rc8 25.f3 Bf5 26.Bd5 Ke7 27.Rc4 (27.Be5 Ne5 (27...cd5? 28.Nd4 Qe1 29.Re1+-) 28.Qe5 Qf6+=) 27...Qf6 28.Ba3 c5 29.Nd4 Kd6 30.Nf5 gf5 31.Bb7 Rcd8 Black prepares f4 32.Bb2 Rhe8 33.g3 Kc7 34.Bc3 f4 35.g4 Bg7 36.Be4 h5 37.gh5 Qg5 38.Kh1 Qh5 39.Qd3 Rh8 40.Re2 Rh6 41.Qd5 Rb8 42.Rg2 Bh8 43.Ra4 Rd6 44.Qc4 Nf8 45.Ra1 Ne6 46.Rag1 Rbd8 (46...b5 47.Qa2-/+) 47.Rg6 Qh3 48.R1g4 Re8 (48...Nf8 49.Qf7 R6d7 50.Rc6 Kb8 51.Qf5+-) 49.Kg1 Re7 50.Rg8 Nd8 51.Bf5 Qf3 (better is 51...Qh6!?=) 52.Rh8+/- e4 53.Qf1 Qf1 54.Kf1 e3 55.d3 Kc6 (55...f3!?+/-) 56.Rf4+- Ne6 57.Be4 Kd7 1–0. marekt – groove_rider, ChessWorld.net, 2012.

8.Nf3 f5 9.Qh6 fe4 (9...Bf6!? 10.Nc3 d6+=) 10.Ne5+= d5? (better is 10...Ne5!? 11.Be5 Bf6+=) 11.Ng6 (11.Nc6 Nc6 12.Bh8 dc4 13.Qh7 Qd6+-) 11...Rg8 (11...Qd6!? 12.Bh8 hg6+-) 12.Qh7+- (12.Ne7?! Ne7 13.Qh5 Rg6+=) 12...Bf6?? (12...Be6 13.Nf4 Qd7 14.Ne6 Qe6 15.Qh5 Kd7 16.Bd5 Qg4 17.Qg4 Rg4+-) 13.Qg8 (13.Qg8 Kd7 14.Qd5 Ke8 15.Qf7) 1–0. Speedy – wernt, internet, 2017.

8.Qg3 Na5 9.Ba2 b6 10.Ne2 Nb7 11.d4 d6 12.de5 de5 13.0-0 Nd6 14.Nbc3 Bb7 15.Nd5 Nd7 16.Nec3 Nc5 17.f3 Bd5 18.Bd5 Rb8 19.Bc6 Kf7 20.Nd5 h5 21.Rad1 h4 22.Qh3 Qf8 23.f4+/- Nc4 24.Bc1 Ne4? 25.fe5 Bc5 26.Kh1?? Ne5-/+ 27.Nc7 Nc6?? 28.Rd7 Ne7 29.Qe6 Kg7 30.Qe4 Rh5 31.Ne6 (31.Ne6 Kf7 32.Nf8 Rf8 33.Bb2+-) 1–0. bratek55 (1635) – hugr (1620), kurnik, 2011.

8.Qg3 Na5 9.Ba2 c6 10.Nc3 Na6 11.Nge2 Nc7 12.d4 ed4 13.Nd4 Ne6 14.Ne6 de6 15.Rd1 Qb6 16.Na4 Qa6 17.Qd3 Qd3 18.cd3 b5 19.Nc3 Bd7 20.0-0 Nb7 21.d4 a5 22.d5 cd5 23.ed5 e5 24.f4 ef4?? 25.Rf4 Nd6 26.Re1 Kd8 27.Ne4 Ne4 28.Rfe4 Re8?? 29.Bd4 Rb8?? 30.h3 Ba3-/+ 31.Re8 Be8 32.Bf6 Kd7 33.Be5 Rc8 34.d6 Bd6 35.Rd1 Rc6 36.Bd5 Rb6 37.Bg8 Kc7 38.Bd6 Rd6 39.Rc1 Rc6 40.Rc6 Kc6 41.Bh7 Bf7 42.h4 a4 43.h5 a3 44.hg6 Bg6! 45.Bg8 Be4 46.Kf2 Bd5 47.Bd5 Kd5 48.Ke3 a2 49.g4 a1Q 50.Kf4 Qe1 51.Kf5 Qf1 (51...Qf1 52.Kg5 Ke5 53.Kh4 Qg2 54.Kg5 Qc6 55.Kh4 Kf4 56.Kh5 Qf6 57.g5 Qg5) 0–1. bratek55 – tomcior777 (1795), kurnik, 2011.

8.Qg3 Na5 9.Ba2 c6 10.Nc3 b6 11.Nge2 Ba6 12.d4 d6 13.de5 de5 14.Rd1 Qc7 15.0-0 Bc4 16.Bb1 0-0 17.Rfe1 Nd7 18.f4 Be6 19.Rf1 Nc4 20.Bc1 Rad8 21.f5 Bf7 22.fg6 Bg6 23.Ba2+= b5 24.Bc4 bc4 25.Bh6 Rfe8 26.h4 Kh8? 27.h5+- Rg8 28.hg6 Rg6 29.Qh3 Bc5 30.Be3 Be3 31.Qe3 Rdg8 32.Rf2 Nf8 33.Qh3 Qa5 34.a4 Qc5 35.Kf1 Ne6?? 36.Rd7 Ng5 37.Qe3 1–0. bratek55 (1690) – heitom, kurnik, 2011.

8.Qg3 Na5 9.Ba2 Nbc6 10.Ne2 b6 11.0-0 Bb7 12.d4 Nd4 13.Nd4 ed4 14.Bd4 Nc6 15.Bb2 Bd6 16.Qb3 Qe7 17.Nd2 Be5 18.f4 Bb2 19.Qb2 0-0-0 20.Rae1 Rde8 21.Bd5 Qc5 22.Kh1 Nd4 23.Bb7 Kb7 24.Nb3 Qc2 25.Qd4 Qb3 26.Qd7 Qe6 27.Qa4 Qc6 28.Qb4 Re6 29.h3? Rhe8-+ 30.a4 Re4 31.Rc1?? Rb4 32.Rc6 Kc6 33.a5 ba5 34.Rc1 Kb6 0–1. bratek55 (1680) – hugr, kurnik, 2011.

8.Qg3 a6 9.Ne2 b5 10.Ba2 Bb7 11.0-0 d6 12.Nbc3 Nd7 13.f4 Nf8 14.Nd5 Qd7 15.d4 0-0-0 16.de5 fe5 17.fe5 Ne6? 18.Rf7 Rdf8?? 19.Raf1 Rf7 20.Rf7 Rf8 21.Qf3 Rf7+/- 22.Qf7 de5?? 23.Qh7 Nf4 24.Nef4?? ef4 25.Qg8 Bd8? 26.Qg6 Ne7+/- 27.Ne7 Be7?? 28.Qf5 Qf5?? 29.ef5+/- Be4 30.f6 Bf8 31.Bb3 Kd7 32.Be5 c5 33.Bf4 c4=+ 34.Ba2 Bc2 35.a4 Bd3 36.ab5 ab5 37.g4 Bc5 38.Kg2 Ke6 39.g5 Kf5 40.Bd2 Be4 41.Kg3 Bd4?? 42.f7 Bg7 43.Bb4+/- 1–0. bratek55 (1685) – 10aius, kurnik, 2011.

8.Qg3 Na6 9.Ne2 Nc5 10.Nbc3 Ne6 11.0-0 Ncd4 12.Nd4 ed4 13.Nd5 c6 14.Ne7 Qe7 15.f4 Qc5 16.d3 f5 17.ef5 Qf5 18.Rae1 d5= 19.Bb3 0-0 20.Re5 Qf7 21.Bc1 Ng7 22.Qf2 Nf5 23.g4 Nd6 24.a4 Bg4 25.Qh4 Bf5?? 26.Bb2? Rfe8 27.Bd4 b6 28.Rfe1 Bd7 29.Re7 Re7 30.Re7+/- Nf5 31.Rf7 Nh4 32.Rd7?? Nf5?? 33.Be5+- 1–0. bratek55 (1765) – skyhaai (1615), kurnik, 2011.

8.Qg3 b6 9.Nc3 Na5 10.Ba2 c5 11.Nd5 Bb7 (11...d6 12.f4=) 12.Ne2 (better is 12.Be5!? d6 13.Bc3+/-) 12...c4= 13.Nec3 Nbc6 14.0-0 (14.Ne7 Ne7 15.f4 f5=) 14...Nd4+= 15.Rac1 d6 16.Rfe1 Qd7 17.Ne2 (better is 17.f4!?=) 17...Ne2-/+ 18.Re2 Bd5 19.ed5 Qb5 20.Bc3 Qd5 21.d3 Qc6 22.Ba5 ba5 23.Bc4 Kd7 (23...d5 24.Ba2 Ba3 25.Rb1+=) 24.Rb1 (24.Qh3 f5=) 24...Rab8 25.Ree1 (better is 25.Qh3!? f5 26.Rbe1+=) 25...d5-/+ 26.Ba2 (better is 26.Bb3 a4 27.Qg4 f5 28.Qa4 Qa4 29.Ba4 Ke6 30.Rb3-/+) 26...Bd6 (better is 26...Rb1 27.Qh3 Qe6 28.Qe6 Ke6 29.Rb1 Rc8-/+) 27.Rb8= Rb8 (27...Bb8!? 28.Qh3 f5+=) 28.Qh3+/- f5 (28...Kd8 29.Qe6 f5 30.Re5+/-) 29.Qh7 Kc8? (29...Be7!? 30.Re5 Qf6+/-) 30.Qg8 (30.Qg6 Rb2 31.Qe6 Kc7 32.Bd5 Qc3+-) 30...Kc7 31.Qd5?? (better is 31.Qf7 Qd7 32.Qd5+-) 31...Qd5= 32.Bd5 Rb2 33.Bb3 Ba3 34.h4 Kd6 35.g3 Bb4 36.Ra1 Kc5 37.Kf1 Kd4 (37...a6 38.Ke2=) 38.Ke2 (38.Bf7 Rc2 39.Bg6 Kc5+=) 38...e4 (38...a4!? 39.Ba4 a6+=) 39.Rd1+/- Ke5 40.de4 Ke4? (40...fe4 41.Rd5 Kf6 42.Ke3+/-) 41.Rd7?? (better is 41.f4 Rb3 42.cb3+-) 41...Rb1?? (better is 41...f4 42.Rf7 fg3 43.fg3 Ke5+/-) 42.f3+- Ke5 43.Ra7 (better is 43.f4 Ke4 44.Bc4 Re1 45.Kf2 Bc5 46.Ke1+-) 43...Re1 (43...Rg1 44.c3 Bc3 (44...Rg3?? 45.cb4 ab4 46.Rb7+-) 45.f4 Ke4 46.Re7 Kd4 47.Rd7 Kc5=) 44.Kf2+/- Rd1 (44...Bc5 45.Ke1 Ba7 46.f4 Kf6 47.c3+/-) 45.Ra6 (45.Rc7 f4 46.gf4 Kd6+-) 45...Rd2 46.Ke3 Rg2?? (better is 46...Rd6 47.f4 Kf6 48.Rd6 Bd6+/-) 47.Rg6 (47.Re6) 47...Bc5+- 48.Kd3 Rf2 (48...Rg3 49.Rg3 Kf4+-) 49.f4 (49.Re6) 49...Rf4 50.Re6 1–0. jurand46 (1695) – oldi62 (1675), kurnik, 2013.

8.Qg3 Nd4 9.Bd4 ed4 10.Ne2 c5 11.0-0 Nc6 12.f4 d6 13.c3 dc3 14.Nbc3 Na5 15.Ba2 Bd7 16.Nd5 Bc6 17.Nec3 Qd7 18.Ne7 Qe7 19.Nd5 Bd5 20.Bd5 0-0-0 21.Rab1 Qc7 22.d4 Nc6 23.dc5 dc5 24.Rfc1 b6 25.a4 f5 26.Bc6 Qc6 27.a5 b5 28.e5 a6 29.Qe3 Rd5 30.Rc2 Kb7 31.Rbc1 c4 32.Qh3 h5 33.Qh4 Rhd8 34.h3 R8d7 35.Kh2=+ Rd2 36.Qg3 Rc2 37.Rc2 Qc7 38.Qg6+/- Qa5 39.Qf5 Qa4?? 40.Qe4 Kb6 41.e6 Re7 42.Qd4 Kc7 43.Rd2 Qb4 44.Qd8 Kc6 45.Qd5 Kb6+/- 46.f5 Qc5 47.f6 Qd5 48.Rd5 Re6 49.Rf5?? Re8-/+ 50.f7 Rf8 51.g4 c3 52.gh5?? c2-+ 53.Rf2 c1Q 54.h6 Qh6 55.Rf3 Qd6 56.Kg2 Qd5 57.Kg3 Rf7 58.Rf7 Qf7 59.h4 b4 60.h5 b3 61.h6 b2 62.h7 Qh7 63.Kg4 b1Q (63...b1Q 64.Kf3 Qhe4 65.Kg3 Qbe1 66.Kh3 Q1h4; 63...Qe4 64.Kg5 b1Q 65.Kf6 Qf1 66.Kg7 Qg4 67.Kh6 Qfh3) 0–1. bratek55 (1630) – hadji (1770), kurnik, 2011.

8.Qg3 d6 9.Nc3 f5 10.ef5 Bf5 11.0-0-0 Nd4 12.d3?? Nd7 13.f4 ef4 14.Qf4?? Bg5 15.Re1 Kf8 16.Nd5 Bf4 17.Nf4 c5 18.h3 Qg5 19.Nge2 Ne2 20.Re2 Qf4 21.Kb1 Ne5 22.Bd5 Kg7 23.g4 Bd7 24.Re4 Qf3 25.Rhe1?? Rhe8 26.Re5-/+ de5 27.Bf3 Bc6 28.Bc6 bc6 29.Re5 Re5 30.Be5 Kf7 31.Bd6 c4 32.d4 Ke6 33.Bc5 Rb8 34.Kc1 a6 35.Kd2 Kd5 36.Kc3 Re8 37.h4 Re3 38.Kb4 Rg3 39.h5 Rg4 40.hg6 Rg6 41.Ka5 h5 42.Ka6 h4 43.Bb6 h3 44.Bc7 c5 45.Kb5 cd4 46.a4 Rc6 47.Bg3 Rg6 48.Bc7 Rg2 49.a5 Rc2 (49...Rc2 50.a6 Rb2 51.Ka4 Ra2 52.Kb4 d3-+) 0–1. bratek55 (1690) – 111tisic (1640), kurnik, 2011.

8.Qg3 d6 9.Ne2 Na5 10.Ba2 c6 11.d4 Qb6 12.Bc3 c5 13.de5 de5 14.0-0 c4 15.Nd2 Be6 16.Rab1 Qa6 17.Bb4 Nbc6 18.Be7 Ne7 19.Nc3 Rc8 20.f4 ef4 21.Qf4 0-0 22.Kh1 Qc6 23.Nb5 Qc5 24.Nf3 a6 25.Nbd4 Bd7 26.c3 b5 27.Qg3 Kh8 28.Rg1 Nec6 29.Rbd1 Nd4 30.Nd4 Nc6 31.Bb1 Ne5 32.h4 Rcd8 33.h5 g5 34.h6 Bc8 35.Nf5 Bf5 36.ef5 1–0. bratek55 (1675) – lakyluciano, kurnik, 2011.

8.Qg3 d6 9.Ne2 Na5 10.Ba2 c6 11.d4 Nd7 12.Nd2 Qb6 13.Rb1 Qa6 14.Qd3 Qd3 15.cd3 Nf8 16.de5 de5 17.f4 Bd6 18.fe5 Be5 19.d4 Bd6 20.e5 fe5 21.de5 Be7 22.0-0 Be6 23.Rf8+/- Rf8 24.Be6 1–0. bratek55 (1770) – hugr, kurnik, 2011.

8.Qg3 d6 9.Ne2 Bd7 10.Nbc3 Bf8 11.Nd5 Bg7 12.0-0 Ne7 13.f4 Nd5 14.Bd5 c6 15.Bb3 Qe7 16.fe5 de5 17.d4 ed4 18.Nd4 Na6 19.Rfe1 0-0-0 20.c3 Nc5 21.Bc2 Qe5 22.Qe5 fe5 23.Nb3 Ne6 24.g3 Ng5 25.Kg2? Bh3 26.Kf2 Rhf8 27.Ke2 Bg4 28.Ke3 Bh6 29.Nd4 Nf3 30.Kd3 Ne1 31.Re1 ed4 32.cd4 Rf3 33.Kc4 Be6 34.Kb4 Bf8 35.Ka4 Kc7 36.d5-+ cd5 37.ed5 Bd5 38.Rc1 Bc6 39.Ka5 Rd5 0–1. bratek55 – arnost1, kurnik, 2011.

8.Qg3 d6 9.Ne2 Nd7 10.Nbc3 Nb6 11.Ba2 Kf8 12.f4 Kg7 13.0-0 Nd4 14.Nd4 ed4 15.Nd5 Nd5 16.Bd5 c6 17.Bb3 c5 18.c3 dc3 19.Bc3 Rf8 20.Kh1 b5 21.Bd5 Bd7 22.d4 Rc8 23.Rad1 cd4 24.Bd4 Bc6 25.Bc6 Rc6 26.e5 Qc7 27.ef6 Bf6 28.Bf6 Rf6 29.Qg5 Rf5 30.Qg3 d5 31.h3 Rcf6 32.Rd4 Qc5 33.Qe3 a5 34.g3 b4 35.ab4 ab4 36.Rfd1 h5 37.Qf3 h4 38.g4 Re5 39.Rd5 Rd5 40.Qd5 Qd5 41.Rd5 Rf4 42.Kg2 Kf6 43.Rb5 Rc4 44.Kf3 Rc3 45.Kf4 g5 46.Ke4 b3 47.Rb6 Ke7 48.Ke5 Rh3 49.Rb7 Kd8 50.Kd6 Kc8 51.Rb5 Rg3 52.Kc6 h3 0–1. an27 (1620) – mocarti51 (1705), kurnik, 2014.

8.Qg3 f5 9.Be5 Bf6 10.Bf6 Qf6= 11.Nc3 f4 12.Qf3 Ne5 13.Qe2 Nbc6 14.Nf3 d6 15.Nd5?? Qg7 16.d4 Nf3=+ 17.gf3?? Nd4-+ 18.Qd3 Nc2! 19.Kd2 Na1 20.Nc7 Qc7 21.Ra1 Bd7 22.Rc1 Bc6 23.Be6 Ke7 24.Ba2 Rad8 25.Ke1 Qa5 26.Qc3 Qc3 27.Rc3 d5 28.ed5 Bd5 29.Bd5 Rd5 30.Rc7 Rd7 31.Rc4 g5 32.Kf1 h5 33.h3 Re8 34.Rc5 Kf6 35.Kg2 Rd1 36.Rc7 Ree1 (36...Ree1 37.Rc1 Rg1 38.Kh2 Rh1 39.Kg2 Rc1 40.h4 Rcg1) 0–1. bratek55 (1650) – hugr (1605), kurnik, 2011.

8.Qg3 f5 9.ef5 gf5 10.Be5 Ne5 11.Qe5 Rf8 12.Ne2 Nc6 13.Qg7?? Bf6-+ 14.Qh7 Ba1 15.0-0 Qf6 16.Nbc3 Bc3 17.Nc3 Rh8 18.Re1 Kf8 19.Nd5 Rh7 20.Nf6 Rh6 21.Nd5 Na5 22.Nc7 Rb8 23.Ba2? a6 24.Re8 Kg7 25.Re5 Kf6?? 26.Ra5+= b5 27.Nd5 Ke5 28.Ne3 f4? 29.Ng4+- Kf5?? 30.Nh6 (30.Nh6 Kg6 31.Nf7+-) 1–0. bratek55 (1645) – hugr (1605), kurnik, 2011.

8.Qg3 f5 9.ef5= gf5 10.Qg7 Rf8 11.Qh7 d5 12.Qh5 Rf7 13.Bb3 Be6 14.Nc3 Nd4 15.Nge2 Nb3-/+ 16.cb3 d4 17.Na2 Bb3 18.Nac1 Bd5 19.0-0 Bg5?? 20.Nd3 Qf6 21.f4 Qh6 22.Qh6 Bh6 23.Ne5 Rg7 24.g3 c5 25.d3 Nd7=+ 26.Nd7 Kd7 27.Rab1 Re8 28.Kf2 Re3 29.Rfd1 Rf3 30.Ke1 Re7 31.Kd2?? Ree3 32.Nc1?? Rf2 (32...Rf2 33.Ne2 Ree2 34.Kc1 Rc2) 0–1. bratek55 (1675) – hugr, kurnik, 2011.

8.Qh6 Nd4 9.Bd4 ed4?? 10.Ne2?? d3?? 11.cd3?? c6?? 12.Nbc3 b5 13.Ba2 a5 14.0-0 Na6? 15.f4?? Bb7 16.f5 Bf8 17.Qe3 g5 18.d4 Qc7 19.Kh1 0-0-0? 20.d5 b4 21.ab4 ab4 22.dc6 Qc6? 23.Nd5 Bc5 24.d4 Bd6 25.Rac1 Kb8 26.Rc6 dc6 27.Nf6 Rhf8 28.e5 Be7 29.Ne4 c5 30.f6 cd4 31.Nd4 Bc5 32.Nc5 Nc5 33.e6 b3 34.e7 ba2 35.ed8Q Rd8 36.Qe5 Ka8 37.Qc5 Rd5 38.Qa3 Kb8 39.f7 Rd4 40.f8Q (40.f8Q Rd8 41.Qd8 Bc8 42.Qdd6 Kb7 43.Qaa6) 1–0. bratek55 (1660) – laurentv (1615), kurnik, 2011.

8.Qh6 d6 9.Qg7 Kd7 10.Nf3 Qf8 11.Qf8 Rf8 12.Nc3 Kd8 13.h3+=.

8.Nf3 Na5

9.Ba2 Nbc6 10.0-0 (10.Qh6 Bf8 11.Qe3 b6 12.0-0 Ba6 13.d3 Bb7+=; 10.Nc3 h5 11.Bd5 g5 12.Qg3 h4 13.Qh3 Nc4-/+; 10.Bd5 d6 11.Qh6 Bg4 12.Qe3 f5 13.h3 Bh5+=) 10...d6 11.Nc3 h5 (11...f5 12.Qh6 Bf8 13.Qg5 Bg7+=) 12.Qg3 g5 13.h4 (13.Nh4 Nd4 14.Ng6 Rh6 15.Ne7 Qe7+= (worse is 15...Ke7 16.Nd5 Ke8 17.Bd4 ed4 18.f4+/-)) 13...g4 14.d4 (14.Nd5 Rf8-/+) 14...ed4 (14...f5 15.de5 b6+=) 15.Ne2 gf3 (15...Rf8!?+=) 16.Qg6= Kd7 17.Qf5 Ke8 18.Qg6 Kd7 ½–½. iivanov (2485) – pcmvr (2780), net–chess.com, 2008.

9.Ba2 Nbc6 10.0-0 d6 11.Nc3 h5 12.Qg3 g5 13.h4 g4 14.d4 ed4 15.Ne2 gf3 16.Qg6= Kd7 17.Qf5 Ke8 18.Qg6 Kd7 ½–½. iivanov (2485) – pcmvr (2780), net–chess.com, 2008.

9.Ba2 Nbc6 10.Nc3 Nd4 11.Nd4= ed4 12.Nd5 c5 13.Qh6 Bf8 14.Qf4+- Bg7?? 15.Nc7 Ke7 16.Nd5 Kf7 17.Nc7 Ke7 18.Na8 d6 19.c3 dc3 20.Bc3 Nc6 21.e5 Ne5 22.Be5 de5 23.Qc4 Qd4 24.Qf7 Kd8 25.Qc7 Ke8 26.Qc8 Ke7 27.Qb7 Kd8 28.0-0 (28.0-0 Qd7 29.Qa6+-; 28.Bd5 Qa1 29.Ke2 Qd1 30.Rd1 Ke8 31.Qf7 Kd8 32.Be6 e4 33.Qd7) 1–0. redrook (2525) – iivanov (2485), net–chess.com, 2008.

9.Be2 d6 10.Nc3 f5 11.Qh6 fe4 12.Ne4 Bf5 13.d3 Nbc6+=.

9.Be2 d6 10.Nc3 f5 11.Qh6 fe4 12.Ne4 Bf5 13.Qe3+=.

9.Be2 d6 10.Qg3 Nbc6 11.d4 ed4 12.Nd4 Nd4 13.Bd4 a6+=.

9.Be2 d6 10.Qh6 f5 11.Nc3 fe4 12.Ne4 Bf5 13.d3 Nc4+=.

8.Qh6 Bf8

9.Qe3 Na5 A) 10.Be2 A1) 10...d5 11.d4 (11.ed5 Qd5 12.Nf3 Qc5 13.Qc5 Bc5 14.Nc3 0-0+=) 11...de4 12.de5 f5 13.Nc3 Be6 14.Rd1 Nd7+= ; A2) 10...Nbc6 11.Nf3 d6 12.0-0 Be6 13.d4 Nc4 14.Bc4 Bc4+= ; A3) 10...b6 11.d4 Nbc6 12.Nf3 ed4 13.Nd4 Bc5 14.0-0 Qe7+= ; B) 10.Ba2 B1) 10...Nbc6 11.f4 (11.Ne2 b6 12.0-0 Bc5 13.Qh6 Ba6 14.d3 Bf8=; 11.Nf3 b6 12.0-0 Ba6 13.d3 Bb7 14.c3 Qe7= ) 11...b6 12.Qg3 Bd6 13.f5 g5 14.h4 Nd4= ; B2) 10...Na6 11.Nf3 (11.Ne2 Nc6 12.d4 ed4 13.Nd4 Bc5 14.Nc6 dc6=; 11.d4 Nc6 12.Nf3 ed4 13.Nd4 Bc5 14.Nc6 dc6= ) 11...Bc5 12.d4 ed4 13.Nd4 Nc6 14.Nc6 dc6= ; B3) 10...b6 11.Ne2 (11.Nf3 Bc5 12.d4 ed4 13.Bd4 Bd4 14.Nd4 Nbc6+=; 11.d4 Nbc6 12.Nf3 ed4 13.Nd4 Bc5 14.0-0 Qe7+=; 11.Qg3 Bb7 12.Nf3 Be4 13.Ne5 Bd6 14.Qe3 Be5+= ; 11.Qf3 Nac6 12.Ne2 Bc5 13.0-0 Rf8 14.Nbc3 Bb7= ; 11.Nc3 Nac6 12.Nf3 Ba6 13.Nd5 h5 14.Ne5 fe5+= ; 11.f4 Bc5 12.Qg3 d6 13.Ne2 Nd7 14.Nbc3 c6+=) 11...Nbc6 12.0-0 Bc5 13.Qh6 Ba6 14.d3 Bf8=; B4) 10...b5 11.Nf3 (11.d4 Nbc6 12.Nf3 ed4 13.Nd4 a6 14.0-0 Ne5=) 11...Nc4 12.Bc4 bc4 13.0-0 Nc6 14.Nc3 Rb8= ; B5) 10...d6 11.Nf3 (11.Ne2 Nd7 12.0-0 Nb6 13.Qc3 Nc6 14.Qb3 Qe7+=; 11.Nc3 Nd7 12.Nf3 Nb6 13.d3 h5 14.0-0 Bh6+= ) 11...Nd7 12.0-0 Nb6 13.d3 Nc6 14.Nc3 Bg4+=.

9.Qe3 Na6 10.Nf3 Bc5 11.Qe2 (11.Qh6 Qe7 12.0-0 d6 13.Nc3 Be6 14.Nd5 Qf7=; 11.d4 ed4 12.Nd4 Ne5 13.Ba6 ba6 14.Qc3 Qe7+=; 11.Qd3 Rb8 12.0-0 d6 13.Nc3 Nd4 14.Rab1 f5+=) 11...d6 12.c3 Bg4 13.Bb5 Nab8 14.d4 ed4=.

9.Qe3 b6 10.Qd3 Bb7 11.Ne2 (11.Bd5 Bc5 12.Nf3 Na5 13.Bb7 Nb7 14.Nc3 Nc6+=; 11.Bc3 Bc5 12.Nf3 a6 13.0-0 Ne7 14.Bb4 Bb4+=; 11.Nf3 Na5 12.Ba2 Bc5 13.0-0 Ba6 14.c4 Qe7+=; 11.Qd5 Qe7 12.Qd3 Na5 13.Ba2 a6 14.Nf3 Bc6+=; 11.Nc3 Na5 12.Ba2 Bc5 13.Nf3 c6 14.Na4 Be7+=) 11...Na5 12.Ba2 Bc5 13.Nbc3 c6 14.Qf3 Rf8+=.

9.Qe3 b6 10.Ne2 A) 10...Na5 11.Ba2 (11.Bd5 c6 12.Ba2 Ba6 13.d4 Bd6 14.Nd2 Qe7+=) 11...Nbc6 12.0-0 Bc5 13.Qh6 Ba6 14.d3 Qe7+=; B) 10...Bc5 11.Qf3 (11.Qd3 Na5 12.Ba2 Rf8 13.Qh3 Rh8 14.Qf3 Nbc6+=; 11.Qh6 Qe7 12.Bd5 Bb7 13.Nbc3 a6 14.0-0 Qf8+=; 11.d4 ed4 12.Nd4 Ne5 13.Bd5 c6 14.Bb3 Ba6+=; 11.Qg3 Na5 12.Ba2 Nbc6 13.0-0 Rb8 14.Nbc3 b5+=) 11...Rf8 12.0-0 Bb7 13.Nbc3 a6 14.Qh3 Na5+=.

9.Qe3 b6 10.Nf3 Ba6 (10...Bb7 11.Qe2 (11.0-0 Bc5 12.d4 ed4 13.Nd4 Qe7 14.Nd2 a6+=; 11.Bd5 Bc5 12.Qd3 Ba6 13.c4 Bb7 14.Nc3 Na5+=) 11...Bc5 12.Bd5 a5 13.Nc3 Ra7 14.Nb5 Ra6=; 10...Bc5 11.Qd3 Na5 12.Ba2 Qe7 13.Qe2 c6 14.0-0 d6+=; 10...Na5 11.Bd5 Bb7 12.Bb7 Nb7 13.d4 ed4 14.Nd4 Bc5=; 10...a5 11.Nc3 (11.0-0 Ba6 12.Ba6 Na6 13.d4 ed4 14.Nd4 Ne5+=; 11.d4 ed4 12.Nd4 Ne5 13.Bb5 Bc5 14.0-0 Qe7+=; 11.Bd5 Bb7 12.0-0 Bc5 13.Qh6 Qe7 14.Nc3 Na6+=; 11.Qb3 a4 12.Bf7 Ke7 13.Qa2 Bh6 14.Bd5 Kf8+=) 11...Ba6 12.Ba6 Na6 13.Nd5 Bc5 14.Qh6 Kf7=) 11.Bd5 (11.Ba6 Na6 12.0-0 Nc5 13.Nc3 Ne6 14.Nd5 Bc5+=) 11...Bc5 12.Qh6 Bf8 (12...Qe7 13.Nc3= Bb7 14.0-0 a6+=) 13.Qe3 Bc5 (13...Bb7 14.0-0+= Bc5+=; 13...g5 14.d4 Nd4=) 14.Qh6= Bf8 (14...Qe7 15.Nc3=) 15.Qe3 ½–½. Skjonberg,Sverre – Andreassen,Einar, corr NOR–ch Senior, 1999.

9.Qe3 b6 10.Nf3 Bc5 11.Qd3 Bb7 12.Bd5 Qe7 13.0-0+=.

9.Qe3 d6 10.Nf3 Nd7 11.0-0 Nb6 12.Ba2 (12.Bb5 Qd7+=) 12...Bg7 13.Nc3 (13.d4 Bg4+=) 13...Ne7 (13...f5 14.Rfb1+=) 14.d4 c6 (14...Nc6 15.Nd5+=) 15.h3 (15.Rfd1 Bg4=) 15...Qc7 16.Rad1 Bd7 17.de5 de5 (17...fe5 18.Ng5 Bh6 19.Bf7 Kd8 20.Qg3=) 18.Qc5 (18.Rd2 Rd8=) 18...a6 (18...Nec8 19.Nd5 Nd5 20.Bd5+=) 19.Rd3 g5 (19...Bf8 20.Rfd1=) 20.Rb1 (20.a4 g4 21.a5 A) worse is 21...gf3 22.ab6 Qc8 23.Rfd1+/- (23.Rf3?! Be6+/-); B) 21...Nbc8+=) 20...Bf8 (20...g4 21.hg4 Bg4 22.Bc1+=) 21.Bc1 (21.Qd6 Qd6 22.Rd6 Ng8+=) 21...Nec8 22.Qe3 White gets the initiative (22.Qa5 c5=) 22...g4 23.hg4 Bg4 24.Nh2 h5 25.Qg3 (worse is 25.Ng4 hg4 26.Qg3 Qh7+=) 25...Qh7 (25...f5 26.Ng4 fg4 27.Be3+=) 26.Qh4 Qg7 (26...Be7 27.Ng4 hg4 28.Qh7 Rh7 29.Be3+=) 27.Be3 c5 (better is 27...Nd7+=) 28.Nb5?? (28.Nd5 Nd5 29.Bd5+= (29.Rd5 b6=)) 28...Nd5?? (better is 28...ab5 29.Bd5 Nd5 30.ed5 c4-+) 29.Bd5+- (29.ed5 ab5 30.Rb5 Be2-/+) 29...Ra7?? (better is 29...ab5 30.Bb7! Ra7 31.Bc6 Bd7 32.Bd7 Rd7 33.Rd7 Kd7 34.Rb5 Qg6+-) 30.f3 (better is 30.Na7 b5 31.Nc8 Bc8 32.Bc6 Kf7+-) 30...Bd7 (30...ab5 31.fg4 c4+-) 31.Bb7 (better is 31.Na7 Na7 32.Rb7+-) 31...Be7?? (31...Rb7 32.Nc3 Rb1 33.Nb1+=) 32.Qf2 (32.Nc7 Kf7 33.Rd7 Rd8 34.Qh5 Qg6 35.Bd5 Kg7 36.Ne6 Kf7 37.Nf4 Ke8 38.Rd8 Kd8 39.Qh8 Bf8 40.Ne6 Ke8 41.Qf8 Kd7 42.Qd8) 32...Nd6?? (better is 32...Rb7 33.Nc3 Rb1 34.Nb1 c4+=) 33.Bd5 (better is 33.Na7 c4 34.Rd5+-) 33...Nb5 34.a4 (34.Bc5?! Bc5 35.Qc5 Rc7+=) 34...Nc7 35.Rb8 (35.Bc5?! Nd5 36.Be7 Ra8 37.Rd5 Qe7+/-) 35...Bd8 36.Bc5 Nd5 37.Rd5 (worse is 37.Ba7 Ne7+-; 37.ed5?! Rc7+-) 37...Rc7 38.Bb6 (38.Bb6 Bc8 39.Qd2+- (39.Bc7?! Qc7 40.Rb2 Be6+-)) 1–0. Johansson,Ragnar – Bohlin,Ivar, corr SSKK, 1989.

9.Qe3 Qe7 A) 10.Nf3 A1) 10...Na5 11.Ba2 (11.Bd5 d6 12.d4 ed4 13.Nd4 c6 14.Ba2 b5= ; 11.Be2 d6 12.0-0 Qf7 13.Qc3 Nbc6 14.d4 ed4+= ) 11...Nbc6 12.Nc3 Qd8 13.Nd5 d6 14.0-0 Bg7=; A2) 10...a6 11.Bd5 (11.Nc3 b5 12.Bd5 Bb7 13.0-0 Qc5 14.Qd3 Ra7=; 11.0-0 Qc5 12.Qd3 b5 13.Bd5 Ra7 14.Nc3 Ne7= ) 11...g5 12.0-0 Qg7 13.Nc3 Ne7 14.d4 g4= ; A3) 10...b6 11.Nc3 (11.Bd5 Bb7 12.0-0 Qg7 13.d4 ed4 14.Nd4 Bc5=) 11...Ba6 12.Nd5 Qd6 13.Bb3 Bb7 14.0-0 Na6= ; A4) 10...Qc5 11.Qc5 Bc5 12.Nc3 Kd8 13.Na4 Be7 14.Rb1 d6+= ; B) 10.Nc3 Nd4 11.Qd3 (11.Rc1 c6 12.Nf3 Bg7 13.0-0 b5 14.Bb3 f5-/+ ) 11...c6 12.Nge2 b5 13.Ba2 b4 14.ab4 Na6+=; C) 10.Ne2 C1) 10...Na5 11.Ba2 (11.Bd5 c6 12.Ba2 d6 13.Bc3 Qc7 14.0-0 Nd7+=) 11...d6 12.Nbc3 c6 13.0-0 Be6 14.d3 Nd7= ; C2) 10...Qc5 11.Qc5 Bc5 12.Nbc3 Kd8 13.Na4 Be7 14.0-0 f5+= ; C3) 10...a6 11.Qf3 (11.0-0 Qc5 12.Qd3 b5 13.Bd5 Ra7 14.Qf3 Bg7+=; 11.Nbc3 b5 12.Bd5 Bb7 13.0-0 Qc5 14.Qf3 Be7+= ; 11.Bb3 Na5 12.Bd5 Qc5 13.Qf3 Be7 14.Bc3 Nbc6+= ; 11.Bd5 Qc5 12.Qf3 Bg7 13.Nbc3 Ne7 14.Bb3 d6+= ) 11...b5 12.Bd5 Bb7 13.Nbc3 Ra7 14.0-0 Qd6=; C4) 10...d6 11.Nbc3 Nd7 12.Nd5 Qd8 13.0-0 Na5 14.Ba2 c6+=.

7.a3 Bf8

8.Ne2 d6 9.f4 Bg7 10.0-0 Qe7 11.Nbc3 Be6 12.Nd5 Bd5 13.Bd5 Nd7 14.d4 0-0-0 15.fe5 fe5 16.Qe7 Ne7 17.Rf7 Nd5 18.Rg7 Ne3 19.c4? Rdg8 20.Rg8-/+ Rg8 21.h3? Nc2 22.Rf1 ed4 23.Nd4 Nd4 24.Bd4 Rf8 25.Rf3? Rf3-+ 26.gf3 a6 27.Kf2 Kd8 28.Ke3 Ke7 29.f4 Ke6 30.h4 c6 31.a4 Nf6?? 32.Kf3 h5 33.e5? de5-+ 34.fe5 Ng4 35.Kf4 Nh6 36.Kg5 Nf5 37.Bf2 Ke5 38.Kg6 b5 39.cb5 cb5 40.ab5 ab5 41.Kh5 b4 42.Bc5 b3 43.Ba3 Ke4 44.Kg4 Nh4 45.Kh4 Kd3 46.Kg4 Kc2 47.Kf4 b2 48.Bb2 ½–½. bratek55 – christoph31 (1725), kurnik, 2011.

8.Ne2 Qe7 9.Nbc3 d6 10.Nd5+/- g5?? 11.Qh5+- Qf7 12.Qf7 Kf7 13.Nc7 Ke7 14.Na8 Kd7 15.d4 b6 16.Bb5 Bb7 17.Nb6! ab6 18.d5 Kc7 19.dc6 Bc6 20.Bc6 Nc6 21.0-0 Be7 22.Nc3 h5 23.Nd5 Kd7 24.a4 Bd8 25.Bc3 Ke6 26.g3 h4 27.Rfb1 hg3 28.hg3 Na5 29.Nb6 Bb6 30.Ba5 Ba5 31.Rb5 Bc3 32.Ra3 Bd4 33.a5 f5 34.ef5 Kf5 35.Kg2 Ke4 36.a6 Rf8 37.Ra4 Rf2 38.Kh3 Kf5 39.g4 Ke6 40.a7 Rc2?? 41.a8Q Bg1 42.Qg8 Kf6 43.Qd8 Ke6 44.Qc8 Rc8-/+ 45.Kg2 Bc5 46.Kf3 Rf8 47.Ke2 Rf4 48.Rf4 ef4 49.Kf3 Ke5 50.Rb8 d5 51.Re8 Kd4 52.Rg8 Be7 53.Rg7 Bf6 54.Rg6 Ke5 55.Rg8 d4 56.Ra8 Kd5 57.Ra5 Kc4 58.Ke4 d3 59.Ra4?? Kc3 60.Ra3+= Kc4 61.Rd3 Bc3 62.Rd8 Bd2?? 63.Rc8 Kb3 64.Rg8 1–0. bratek55 – mundok (1725), kurnik, 2011.

7.Nc3 Na5

8.Bd3 0-0 9.Nge2 c6 10.0-0 d6 (10...Be7 11.Rfb1+=) 11.f4 (11.a3 Bc5+=) 11...Be6 12.Kh1 Nd7 13.f5 g5 14.Qh3 Bf7 15.a3 Bc5 16.Na4 b5 17.Nc5 Nc5 18.Bc3 d5 (18...Nd3 19.Qd3 Nc4 20.a4+=) 19.Bb4+= Nab7 20.ed5 Bd5 21.Nc3 (21.Qe3 Qd6 22.Nc3 a5 23.Bc5 Nc5-/+) 21...a5 22.Bc5 Nc5 23.Be2 Bf7 24.Bf3 Qd2 (24...Qd6 25.Qg3-/+) 25.Bc6+= Rac8 26.Bb5 Qc2 27.Rfc1 Qf2 28.Rf1 Qh4 29.Qh4 gh4 30.Rad1 Rfd8 31.Rd8 Rd8 32.Kg1 Kg7 33.Rc1 (33.Re1 Kh6-/+) 33...Nb3 34.Rf1 h5 35.Ba6 (35.Rd1 Rd1 36.Nd1 Nd4-/+) 35...Rd4 (35...h3 36.g3-/+) 36.Rd1 (36.Rf3 Rd6 37.Bd3 Nc5-/+) 36...Rd1 (36...h3 37.gh3 h4 38.Rd4 ed4 39.Ne4-/+) 37.Nd1 Kh6 38.Bc8 (38.Nc3 Kg5 39.Ne4 Kf4-/+ (39...Kf5 40.Nd6 Kf4 41.Nf7+/-)) 38...Nc5 (38...Nd4 39.Ne3-/+) 39.Ne3 0–1. Rohde,Friedhelm – Weber, BdF, 1995.

8.Be2 0-0 9.Nd5 (9.Nf3!?+= Nbc6 (9...Bc5; 9...d6) 10.Nd5 Rb8 (10...Be7) 11.Rb1 Bc5 12.c3 f5 13.Qd8 Nd8 14.Ne5=) 9...Bc5-/+ 10.d4 (10.Bc3 c6 11.Ba5 Qa5 12.Nf6 Kg7 13.Ng4 Bd4 14.Rd1-/+; 10.Be5 Bf2 11.Kf2 fe5 12.Kg3 g5 13.Qh5 c6 14.Ne3=) 10...ed4 11.e5 fe5?? (better is 11...g5 A) 12.Qg3 fe5 13.Nf3 (13.Qe5 Nbc6 14.Qc7 Qc7 15.Nc7 Rb8+=) 13...d6 14.Ng5=; B) 12.Qh6 fe5 13.Bd3 Rf7 14.Bh7+=) 12.Qd8+- Rd8 13.Nc7 b6 14.Nf3 (14.Bf3 Bb7 15.Bb7 Nb7 16.Na8=) 14...Bb7= 15.Na8 Ba8 16.Ne5 Bg2 17.Rg1 Be4 18.0-0-0 Nbc6 19.Nc6 Nc6 20.Bg4 Ne5 21.Bd4 Ng4 22.Bc5 bc5 23.Rg4 Bf3 24.Ra4 Bd1 25.Kd1 Kf8 (25...Ra8!?+=) 26.Ra7= Ke7 27.Ra3 Rh8 28.Ke2 Rb8 29.Rh3 h5 30.Re3 ½–½. pierred (2645) – pcmvr (2780), net–chess.com, 2008.

8.Be2 0-0 9.Nf3!?+= Nbc6 10.Nd5 Rb8 11.Rb1 Bc5 12.c3 f5 13.Qd8 Nd8 14.Ne5=.

8.Be2 c6 9.f4 d5 10.Nf3 d4 11.Nd1 Qd6 12.0-0 Nd7 13.Nf2 Nb6 14.fe5 fe5 15.a3 Bc5=+.

8.Be2 c6 9.f4 d5 10.Nf3 d4 11.Nd1 Qd6 12.fe5 fe5 13.c3 dc3 14.Nc3 Nd7 15.Rf1 b5=+.

8.Be2 c6 9.f4 d5 10.Nf3 d4 11.Nd1 Qd6 12.fe5 fe5 13.c3 dc3 14.Nc3 Nd7 15.Qg3 Rf8=+.

7.Nc3 Bc3

8.Bc3 Nd4 9.Bd4= ed4 10.Nf3 Nc6 11.Qf4 d6 12.Bb5 g5 13.Qg3 Qe7 14.d3 a6 15.Bc6 bc6 16.Nd4 c5 17.Nb3 Rb8 18.0-0+=.

8.Bc3 d6 9.0-0-0 Qe7-/+ 10.f4 Be6 11.Bb3 a5 12.Nf3 a4 (12...Bb3 13.cb3 Nb4 14.Kb1-/+) 13.Be6=+ Qe6 14.fe5 de5 15.d4 (15.a3 Nd7 16.Kb2 b5-/+) 15...ed4 (15...Qc4 16.d5 Qc3 17.dc6-+) 16.Nd4 Nd4 17.Rd4 Nc6 (17...Qa2 18.Qf6 Qa3 19.Bb2+-) 18.Rd5 0-0 19.Rf1 f5 (19...Ne7 20.Rd3 Kg7=) 20.Qh6= Rf7?? (better 20...Qf7=) 21.Rb5 (better 21.Rdf5! Qf5 22.ef5+- (22.Rf5?! gf5 23.ef5 a3+/-)) 21...fe4 (better 21...Qc4 22.Rbf5 gf5-+) 22.Rf7 Qf7 (22...Kf7? 23.Qh7 Ke8 24.Qh8 Kd7 25.Qa8+-) 23.Rb7?? (23.Kb2-+) 23...Qf1 24.Kb2 a3 25.Kb3 Qf7 0-1. pacal56 (2155) - mecker (2205), Rated Blitz game, lichess.org, 2014.

8.Bc3 d6 9.Rb1=+.

8.Bc3 d6 9.f4 f5 10.Qd8 Kd8=+.

7.Nc3 Nd4

8.0-0-0 c6-/+ 9.f4 Qe7 (9...b5 10.Bf1-/+) 10.Nf3 (10.fe5 fe5 11.Qe7 Be7-/+) 10...Nf3 11.gf3 b5 12.Bb3 a5 13.fe5 fe5 14.Qe7 Ke7 15.a3 Bc3 (15...Bd6 16.a4 b4 17.Ne2-/+) 16.Bc3 d6 (16...Rf8 17.Be5 a4 18.Ba2-/+) 17.d4 Nd7 (17...ed4 18.Bd4 Re8 19.Bf2=+) 18.h4 (18.de5!? de5 19.f4=+) 18...Rf8-/+ 19.Rdf1 (19.Rhf1 b4 20.Bd2 a4 (20...ba3?! 21.Bg5 Ke8 22.de5=) 21.Bg5 Ke8=+) 19...b4 20.ab4 ab4 21.Bb2 ed4 22.Bd4 c5 (22...Ne5 23.h5 g5 24.Be5 de5 25.Kd2-+) 23.Bb2? (better 23.Bg7 Re8 24.h5=+) 23...Ba6-+ 24.Rf2? (24.Bd5 Bf1 25.Ba8-+) 24...c4 25.Ba2 Nc5 (25...c3 26.Bd5 cb2 27.Kb2-+) 26.e5? (26.Bg7 Rf7 27.Bd4 b3-+) 26...d5 (better 26...c3 27.ed6 Kd6 28.Rd1 Kc7-+) 27.Bd4 Ne6 28.Be3 Rf5 29.f4?? (better 29.Bg5 Kf7 30.c3-+) 29...d4 (29...Bb7 30.c3 d4 31.Re1 de3 32.Re3 Nf4 33.Bc4 Nd3 34.Bd3 Rf2 35.Re2-+) 30.Bd2 Rc8 (better 30...Bb7 31.Bb4 Kf7-+) 31.Bb4-/+ Kf7 32.c3 (32.Bd6 Bb7 (worse 32...Nf4 33.Rf4 Rf4 34.e6 Ke6 35.Bf4+/-; 32...Rf4?? 33.Rf4 Nf4 34.Rf1+-) 33.Rd1 Bd5-/+) 32...d3 (32...Nf4!? 33.Rd2 Ke8-+) 33.Kd2 Nf4 (worse 33...Rf4 34.Rf4 Nf4 35.Rf1+-) 34.Rhf1 Nd5 35.Rf5 gf5 36.Rf5 Ke6 37.Rh5? (37.Rg5 Bb5 38.Bd6-+) 37...Nb4?? (better 37...Rg8 38.Rg5 Rg5 39.hg5 Nb4 40.cb4 Ke5-+) 38.Rh6?? (better 38.cb4 Rg8 39.Bb1=+) 38...Ke5-+ 39.cb4 (39.Bb1 Nc6 40.Rh5 Ke4 41.Rh7-+) 39...c3 40.Ke3 c2 (40...c2 41.Rh5 Kf6 42.Rh6 Kg7 43.Ra6 c1Q 44.Kf3 d2 45.Ra7 Kh6 46.Ra6 Rc6-+) 0-1. pacal56 (2205) - mecker (2225), Rated Blitz game, lichess.org, 2014.

8.Nd5=+ Nc2 9.Kd1+= Na1 10.Nf6 Ke7 11.Be5 d6 (better is 11...d5 12.Nd5 Kd7 13.Qh3 Ke8+-).

8.Nd5+/- Nc2? 9.Kd1 Na1?? (better is 9...Be7 10.Kc2 Nc6+-) 10.Nf6 Ke7 11.Be5 g5 (11...d6 12.Nd5 Ke8+-) 12.Qg5 d5 13.Qg7 Ke6 14.Nd5 Qf6 15.Qf6 Kd7 16.Qf7 Be7 17.Qe7 Kc6 18.Qc7 1–0. orane – Caisa, caissa.com, 2006.

8.Nd5=+ Be7

9.Bd4 ed4 10.Nf3 c6 11.Ne7 Qe7 12.0-0 =+ (12.Nd4? Qc5 13.Ne2 Qc4-+).

9.Bd4 ed4 10.Nf3 Nc6 11.Qh6 d6 12.Ne7?! Qe7 13.0-0 Ne5 14.Ne5 de5=.

9.Bd4 ed4 10.Nf3 Nc6 11.Qh6 d6 12.Qg7 (12.Ne7?! Qe7 13.0-0 Ne5 (13...Qe4?? 14.Rae1 Qe1 15.Re1 Ne5 16.Qg7+-) 14.Ne5 de5= (worse is 14...Qe5 15.Qg7 f5 16.Qc7+/-; 14...fe5?! 15.f4=)) 12...Rf8 13.Qh7 Ne5 14.Ne5 (worse is 14.Qe7 Qe7 15.Ne7 Ke7 16.Ne5 de5+=) 14...de5 15.Qg6 Rf7?? (15...Kd7+-) 16.Nf6! Bf6 17.Qf7 1–0. Trkn – Beetle5, ICC, 2004.

9.Bd4 ed4 10.Qh6 b5 11.Qg7 Rf8+=.

7.Nc3 f5

8.Qd8 Kd8 9.Nf3 Bc3 10.Bc3 d6 11.d3 fe4 12.de4 h6 13.0-0 Bg4 14.Nh4 Bh5 (14...g5 15.Ng6 Rh7 16.h3-/+) 15.Rab1 b6 16.Bf7 Ne7 (16...Rf8 17.Bg6 Bg6 18.Ng6+=) 17.f4 Nd7 18.f5 gf5 (18...Nf8 19.f6 Nc6 20.h3+=) 19.Bh5+= fe4 20.Bf7 (20.Ng6!? Rg8 21.Ne7 Ke7 22.Rf7 Ke6 23.Rbf1+/-) 20...d5= 21.Ng6 Ng6 22.Bd5 Rc8 (22...c6 23.Be4 (worse is 23.Bc6 Rc8 24.Be4 Rc3 25.Bg6 Rg8+=) 23...Ne7 24.Rbd1+=) 23.Be4 (23.Rbd1 Ke7 24.Rf7 Ke8 25.Rd7 Kd7 26.Be4 Ke6 27.Bg6 Rcd8+/-) 23...Ne7 24.Rbd1 Ke8 25.Bb7 Rb8 26.Bf3 Rg8 27.Rf2 Ng6 28.Rfd2 (28.Bd2 Rh8+=) 28...Rd8 (28...Nf6 29.Re1=) 29.h4 Ke7 (29...Nh4 30.Bc6 Combination) 30.Bc6 Nb8 31.Bb4 (better is 31.Rd8!? Rd8 32.Rd8 Nc6 33.Rg8 Nh4 34.Rg7 Kd6 35.Rh7=) 31...Kf6-/+ 32.Bd5 Rd5 (worse is 32...Nh4 33.Rf1 (worse is 33.Bg8 Rg8 34.Rf2 Ke6+=) 33...Kg7 34.Be7 Rd5 35.Rd5+=) 33.Rd5 Nh4 34.Rd8 (34.Rf1!? Ke6 35.Rd2-/+) 34...Rg2-+ 35.Kh1 Nc6 36.Rf8 (36.Be1 Rg4 37.Rc8 Nf5-+) 36...Ke6-+ 37.Re8 Kf7 38.Rf8 Ke6 39.Re8 Kf5 40.Bd2 (40.Rf1 Ke4 41.Be1 Rg4-+ (41...Rc2 42.Bh4 Ra2 43.Re1 Kd3 44.Rd1 Kc2 45.Rd7+=)) 40...Nd4 (40...Re2 41.Rf1 Kg4 42.Rg8 Kh5 43.Bh6-+) 41.Rf8? (41.Rf1 Ke4 42.Re1 Kd5 43.R8e5 Kc6-+) 41...Ke6 (41...Ke4 42.Re1 Kd5 43.Rd1-+) 42.Bh6 (42.Re8 Kf6 43.Rf1 Kg7 44.Be1-/+) 42...Ne2 (worse is 42...Rc2 43.Bg5 Rc3 44.Re8 Kf5 45.Bh4 Rh3 46.Kg2 Rh4 47.Rf1 Rf4 48.Rf8 Ke4 49.Re1 Kd3 50.Rc8-+; 42...Nc2?! 43.Re8 Kf5 44.Rf1 Kg4 45.Re5=) 43.Re8 Kf7 44.Rf8 Ke7 45.Bg5 (45.Rd3-+) 45...Rg5 46.Rh8 (46.Rf2 Ng3 47.Kh2 Ne4-+) 46...Nf5 (46...Ng3 47.Kh2 Ngf5 48.Rh7 Ke6 49.Rf1-+) 47.Rh7 Ng7 (47...Ke6 48.Rd3-+) 48.Re1 Ng3 (48...Nf4 49.a3-+) 49.Kh2 N3h5 50.Rh8 a5 51.c4 (51.Rg1 Rg1 52.Kg1 Nf4-+) 51...Nf6 (51...Nf4 52.Rg1 Rg1 53.Kg1-+) 52.c5 bc5 53.Ra8 Ng4 54.Kh3 Nf5 55.Rg1 Nf2 56.Kh2 Ng4 (better is 56...Rh5 57.Kg2 Nh3 58.Ra5 Ng1 59.Kg1-+) 57.Kh3 Nf2 58.Kh2 Rh5 59.Kg2 Nh3 60.Rb1 (60.Ra5 Ng1 61.Kg1 Kd6-+) 60...Nf4 61.Kg1 Rg5 62.Kf1 Rg2 63.Rb3 e4 64.Rh8 e3 65.Rh1 Rf2 66.Ke1 Ng2 67.Kd1 e2 68.Kc1 Rf1 69.Rf1 ef1Q 70.Kb2 a4 71.Rh3 Kd6 (71...Qe2 72.Kb1 Nge3 73.Rh7 Kd6 74.Rd7 Kd7 75.a3 Qd1 76.Kb2 Qb3 77.Kc1 Qc2) 72.a3 Qd1 73.Rc3 Nge3 74.Ka2 Qd2 75.Rc2 Nc2 76.Kb2 (76.Kb1 Na3 77.Ka1 Nc4 78.Kb1 Qb2) 76...Nb4 77.Kb1 Qc2 78.Ka1 Qa2 (78...Qc1) 0–1. Betsy_516 – Colchess_70, computer chess game (LYAPKO), 2001.

8.Qd8 Kd8 9.Nf3 Re8 10.Nd5 fe4 11.Ng5 Rf8 12.Nh7 Rf5 13.g4 (< 13.Nb4 Nb4 14.Bb3 N8c6-/+) 13...Rf3 14.Ng5 Rf8 15.Ne4 d6 16.c3 (16.h3 Nd7=) 16...Ba5=+.

7.Nc3 h5

8.Nd5 g5 9.Qg3 Na5 10.Be2 Nbc6 11.h4 g4 12.0-0-0 Bc5 13.c3 Nb8 (better is 13...d6!?+=) 14.d4+= Bd6 15.de5 fe5 16.Bg4 hg4 17.Qg4 Nc4 (17...Kf8 18.Rd3 Qe8 19.Rf3 Qf7 20.Rf7 Kf7 21.Qf5 Ke8 22.Qg6 Kd8 23.Qf6 Ke8 24.Qh8 Kf7 25.Nf3 Nb3 26.Kd1 Be7 27.Ne5 Ke6 28.Qh6 Ke5 29.Qf4 Ke6 30.Nc7) 18.Qg6 Kf8 19.Rd3 Ne3 20.Re3 Be7 (20...Qg5 21.hg5 Rh3 22.Reh3 Bc5 23.Rh8) 21.Rf3 Bf6 22.Rf6 Qf6 23.Qf6 Kg8 24.Ne7 Kh7 25.Qg6 1–0. orane – Caisa, caissa.com, 2006.

8.Nd5 g5 9.Qh3 Rh6 10.Be2 h4 11.Bg4 b6 12.Ne2 Bc5 13.0-0 Ba6 14.d3 Nb4 15.Nb4 Bb4 16.Ng3 Nc6 17.c3 Bc5 18.Nf5 Rh8 19.Rfd1 Bf8 20.Qf3 Qb8 21.Ne3 Be7 22.Qf5 Qc8 23.Qg6 Kd8 24.Nd5 Rf8 25.Qg7 Bc5 26.d4 ed4 27.cd4 Bd6 28.e5 fe5 29.de5 Bc5 30.Bc1 Re8 31.Nb4!! Bf2 32.Kf2 Ne7 33.Nc6! Nc6 34.Rd7 Qd7 35.Qd7# 1–0. Fritz9 – Caissa, 2006.

7.Ne2 Na5

8.Bd3 Bc5 9.Qh6 Bf8 10.Qe3 b6 11.0-0 Bb7 12.Nbc3 Nbc6+=.

8.Bd3 c6 9.Qh6 Bf8 10.Qh4 d6 11.0-0 Be6 12.Bc3 Nd7-/+.

8.Bd3 d6 9.f4 (9.Nbc3 c6 10.a3 Bc5 11.Na4 Be6 12.Nc5 dc5+=; 9.Qh6 Qe7 10.Nbc3 Nbc6 11.Na4 Be6 12.a3 Bc5+=) 9...a6 10.Nbc3 c6 11.Qh6 Qe7 12.Na4 Nd7+=.

8.Bb3 Nb3

9.ab3 a5 10.Qh6 (10.0-0 0-0+=) 10...Bf8 11.Qe3 c5 (11...d5 12.d4 de4 13.de5+=) 12.Nbc3=. Janek – zandar, internet, 2017.

9.ab3 0-0

10.Nbc3 c6 11.0-0 d5 12.ed5 cd5?? (12...Bc3 13.Nc3 cd5 14.Ba3+=) 13.f4?? (better is 13.Qb4 Nc6 14.Qb5+-) 13...Nc6-/+ 14.fe5 Ne5?? 15.Nd4 Bc5+= 16.Nce2 Bg4 17.Kh1 a6 18.h3 Bd7 19.Rae1 Rc8 20.Nf4 Bd4 21.Bd4 Rc2 22.Nd5 Now all is on f6 22...Rd2?? 23.Nf6+- Rf6 24.Qf6 Bh3?? 25.Qd8 Kg7 26.Be5 (26.Be5 Kh6 27.Qh4; 26.Qf8) 1–0. ejdrzej (1670) – sakkmat, kurnik, 2013.

10.Nbc3 c6 11.0-0 Be7 12.f4 f5 13.Qg3 d6 14.fe5 de5 15.ef5 Bf5 16.d3 Nd7 17.Ne4 Qc7 18.Kh1 a6 19.Qe3 Rae8 20.N2g3 Bd8 21.Rae1 Be4 22.Ne4 Nf6 23.h3 Nd5 24.Qg3 Nf4 25.Qe3 Qb6 (better is 25...Be7!?+=) 26.Qb6+= Bb6 27.Kh2 (27.Ba3 c5=) 27...Bc7 28.g3 Nd5 29.Kg2 Rf1 30.Kf1 Rf8 31.Kg2 h6 32.h4 Kh7 33.c4 Nb4 34.Re3 b5 35.c5 Nd5 36.Rf3 Rf3 37.Kf3 a5 38.Nd6 a4 39.ba4 ba4 40.Be5 a3 0–1. ejdrzej (1700) – stoklosy (1735), kurnik, 2012.

10.f4 d5 11.f5 (11.fe5 fe5 12.Qd8 Rd8 13.ed5 Rd5+=) 11...de4 (better is 11...Nc6!?-/+) 12.fg6= hg6 13.0-0 (better is 13.Qe4 Qe7 14.Qg6 Qg7 15.Qd3=) 13...Bc5 14.Kh1 Kg7 15.Qe4 Bf5 (better is 15...Nc6!?-/+) 16.Qb7= Nd7 17.Nbc3 (17.d3 Bg4 18.Nbc3 Rb8=) 17...Rh8 (better is 17...Bc2 18.Nd5 Rb8-+) 18.Ng3?? (better is 18.d3=) 18...Bc2 (18...Rh2! 19.Kh2 Qh8 20.Nh5 Qh5 21.Kg3 Qg4 22.Kh2 Rh8) 19.Nce4 Bb6 20.Qc6 Bb3 21.Qc3 Be6 22.Qf3 Qe7 23.Rad1? f5 24.Nf2 Raf8 25.d4 ed4 26.Bd4 Bd4 27.Rd4 Qf6 28.Rfd1 Ne5 29.Qc3 c6 30.Nh3 Bd5 31.Nf4 Qh4?? 32.Nfh5!! Rh5 33.Rh4 Rh4 34.Qe5 Kh7 35.Rd5 cd5 36.Qd5 Rb8? 37.h3 (37.h3 Rg8 38.Ne2+-) 1–0. ejdrzej (1705) – lechupl1 (1630), kurnik, 2013.

10.f4 d6 11.Nbc3 c6 12.0-0 Qe7 13.d3 Na6 14.fe5 de5 15.Na4 (15.Kh1 Bd6+=) 15...Be6 (15...b5 16.Nac3 Bc5 17.Kh1-+) 16.Kh1 Rad8 17.h3 Nc7 18.Nac3 Bc3 19.Bc3 a6 20.Rad1 Nb5 21.Be5 Rd7?? (21...g5 22.Bf6 Rf6 (22...gh4? 23.Be7 Rf1 24.Rf1+-) 23.Qg5 Kf7 24.Qh5 Kg7 25.Qg5 Kf7 26.Qh5 Kg8 27.Qg5 Kf7=) 22.Bf6 Qc5 23.c3 Qe3? 24.Nd4+- Nc3 25.Ne6 Nd1 26.Nf8 Kf8 27.Bg5 Kg8 28.Be3 Ne3 29.Rf3 Rd3 30.Qe7 Rd1 31.Kh2 Nf1 32.Rf1! Rf1 33.Qb7 Rf6 34.Qa6 Kf7 35.Qc4 Re6 36.Kg3 Kf6 37.Kf4 g5 38.Ke3 h5 39.g4 h4 40.Qd4 Kg6 41.e5 Kf7 42.Ke4 Ke7 43.Qb4 Kd7 44.Qb7 Ke8 45.Kf5 Re7 46.Qc6 Kf7 47.Qg6 Kf8 48.Qg5 (48.Qg5 Rb7 49.Qh4+-) 1–0. ejdrzej (1630) – raduclm, kurnik, 2013.

10.f4 ef4 11.Nf4 (better is 11.Qf4!? Nc6 12.0-0+=) 11...g5-+ 12.Qg3 Be7?? (better is 12...Bd6 13.0-0 Kf7-+) 13.0-0 d6 14.d4 Rf7 15.Nd2 Rg7 16.Nh5 Rg6 17.e5?? (better is 17.c4+=) 17...de5-/+ 18.Rad1 ed4 19.Nf3 c5 20.c3?! (20.Qe1 f5 21.c3 Be6 22.cd4 Bb3-+) 20...Qd6 (better is 20...Rh6 21.Nf6 Rf6 22.Qg5 Rg6-+) 21.Qd6 Bd6 22.cd4 cd4 23.Bd4 Bg4?? (better is 23...Be7-/+) 24.Ng3?? Bg3-+ 25.hg3 Nc6 26.Bb2 Rd8 27.Rd8 Nd8 28.Nd2 f5 29.Re1 Kf7 30.Nc4 Re6 31.Ne5 Ke8 32.Kf2 Bh5 33.Ra1 a6 34.b4 Nc6 35.Nc6 Rc6 36.Be5 Rc2 37.Kg1 Re2 38.Bf6 g4 39.Rc1 Bf7 40.Rc7 Bd5 41.Rh7?! Rg2 42.Kf1 Rg3 43.Bg5 Rh3 44.Re7 Kf8 45.Re5 Be4 46.b5 ab5 47.Kf2 b4 48.Rb5 b3 (48...b3 49.Ke1 g3-+) 0–1. ejdrzej (1675) – narcyz1984 (1605), kurnik, 2012.

10.f4 g5 11.Qg3 ef4 12.Qd3-/+.

8.Bd5 c6

9.Bb3 Na6 10.0-0 Nb3 11.ab3+=.

9.Bb3 d6 10.c3 Bc5 (10...Nb3 11.ab3 Bc5 12.d4 Bb6 13.Nd2 d5 14.c4 dc4 15.de5 cb3+=) 11.d4 (11.Ba3 Ba3 12.Na3 f5 13.Qd8 Kd8 14.d3 Nb3 15.ab3 Be6-/+) 11...Bb6 12.Nd2 Na6 13.Nc4 Nc4 14.Bc4 Nc7 15.Rd1 ed4-/+.

9.Bb3 d6 10.Bc3 A) 10...Na6 11.d4 (11.f4 Nb3 12.ab3 Bc5 13.d4 ed4 14.Bd4 Bd4 15.Nd4 f5-/+) 11...Nb3 12.ab3 Qe7 13.0-0 Bc3 14.Nbc3 Nb4 15.Rfc1 f5+=; B) 10...Nb3 11.ab3 (11.cb3 Na6 12.d4 f5 13.Qd8 Kd8 14.de5 de5 15.Nd2 fe4-/+) 11...Na6 12.d4 Qe7 13.0-0 Bc3 14.Nbc3 Nb4 15.Rfc1 f5+=.

9.Bb3 d6 10.f4 A) 10...Nb3 11.ab3 (11.cb3 Nd7 12.a3 Ba5 13.b4 Bb6 14.d4 f5 15.Qd8 Kd8-/+) 11...Bc5 12.d4 ed4 13.Bd4 Nd7 14.f5 gf5 15.Qh5 Ke7+=; B) 10...Nd7 11.Be6 (11.Nbc3 Nb3 12.ab3 f5 13.Qg3 Rf8 14.0-0 fe4 15.fe5 Bc5-/+) 11...Nb6 12.Bc8 Rc8 13.f5 Nac4 14.Bc3 Bc3 15.Nbc3 gf5+=.

9.Bb3 d6 10.Qh6 Nb3 11.ab3 (11.cb3 Qe7 12.a3 Bc5 13.0-0 Be6 14.d4 Bb6 15.Nd2 Nd7-/+) A) 11...Kf7 12.0-0= (12.c3 Ba5 13.d4 d5 14.de5 fe5 15.f4 de4+=) 12...d5 13.f4 Bf8 14.Qh4 Bc5 15.Kh1 f5+=; B) 11...Qc7 12.Ba3 Na6 13.0-0 d5 14.ed5 cd5 15.Nbc3 Be6-/+.

9.Bb3 d6 10.Qh6 Qe7 11.0-0 Na6 12.d4 ed4 13.Nd4 Rf8 (13...Qe4 14.c3 Nb3 15.ab3+/-) 14.Nd2 Bd7 15.c3 Bc5 16.Nf5 gf5 17.ef5 Bf2 18.Kf2 Nc5 (18...Nb3? 19.Rae1 Bf5 20.Re7 Ke7 21.ab3+-) 19.Bc2 0-0-0 20.c4 Qf7 21.Qf4 b6 22.Bc3 Nab7 23.Rfe1 Qg7 24.Qd4 Rg8 25.g3 Rdf8 26.Qf4 h5 27.h3 Kb8 28.Rab1 Qh7 29.Nf3 Ne6 30.fe6 Qc2 31.Bd2 Be8 32.e7 (32.a3 Ka8=) 32...Rf7+= 33.Rbc1 Qa2 34.Nd4 h4 35.g4 (35.Qh4 Qd2 Deflection; 35.gh4 Bd7 Combination) 35...Qa3 36.Nf5 Rh7 (36...Qh3 37.Nh6 f5 38.Ng8 fg4 39.Nf6 g3 40.Kf3 g2 41.Kf2=) 37.Bc3 Rg6 38.Qd2 Qc5 39.Bd4 Qa3 40.Be3 Rh8 (better is 40...c5!?+=) 41.Ra1+- Qb3 42.Nd6 Nc5 43.Bc5?? (better is 43.Bf4 Nd3 44.Kf1 Nf4 45.Re3 Qe3 46.Qe3+-) 43...Qh3+/- 44.Ra7?? (44.Ne8 Qh2 45.Ke3 Qd2 46.Kd2 Re8 47.Bd4+/-) 44...Qh2 (44...bc5?? 45.Rb7 Ka8 46.Qa5) 45.Kf3 Qd2 46.Rb7 Ka8 47.Ra1 Qa5 48.Ra5 ba5 49.Rc7 Bd7 50.Rd7 Rgg8 51.Nf7 Kb8 52.Nh8 (52.Nh8 Kc8 53.Ra7+-) 1–0. pierre – bencare, internet, 2015.

9.Bb3 Be7 10.d4 Nb3 11.ab3 d5 12.ed5 cd5-/+.

9.Bb3 Nb3

10.ab3 0-0 11.0-0 Be7+= 12.f4 d5+=.

10.ab3 0-0 (10...Be7 11.0-0 d5 12.ed5 cd5-/+) 11.Qg3 (11.0-0 Be7+= 12.f4 d5+=) 11...d5 12.Bc3 (12.ed5 cd5-/+) 12...Bd6 (12...Bc5-/+) 13.d3 f5 (13...Na6!?-/+) 14.ed5+= cd5 15.Be5 f4! 16.Bf4 (16.Qf4 Rf4) 16...Bf4 17.Nf4 Qf6 18.Ra4 b5 19.0-0 ba4 20.Nd5 Qb2 21.Nc7 Bb7 (21...ab3 22.cb3 Bb7 23.Na8 Ba8 24.Qe3-+) 22.Na8 ab3 23.cb3 Ba8 24.Qe3 Nc6 25.Nd2 Qc3 26.f3 (26.Rb1 Nd4-+) 26...Nd4 27.Nc4 (27.Re1 Bd5-+) 27...Bd5 28.Ne5 (28.Rb1 Qc2 29.Na3 Qc5-+) 28...Nf5 29.Qe2 Qd4 30.Rf2 Ne3 31.Qb2 Rc8 32.Nc4 (32.h3 Rc3 33.Ng4 Nd1-+ (worse is 33...Qd3 34.Rd2 Qf1 35.Kh2 Ng4 36.hg4-+)) 32...Qd3 33.Qa1 (33.Ne3 Qe3 34.h3-+) 33...Bc4 34.Ra2 (34.Qe1 Qb3 35.Rd2 Qa3-+) 34...Nc2 35.Rc2 Qc2 36.bc4 (36.Qa7 Qc1 37.Kf2 Bf1-+) 36...Rd8 37.c5 Rd1 38.Qd1 Qd1 39.Kf2 Qd2 40.Kf1 (40.Kg3 Qg5 41.Kh3 Qf4-+) 40...Qc1 41.Kf2 Qc5 42.Kg3 Qd6 43.Kf2 Qh2 (better is 43...a5 44.h4 a4 45.h5-+) 44.Kf1 Qg3 (better is 44...a5 45.Ke1-+) 45.Kg1 Qe1 (45...a5 46.Kf1 a4 47.Ke2 Qg2 48.Ke3 a3 49.Ke4 a2 50.Kd4 a1Q 51.Kc4 Qc2 52.Kd5 Qf6 53.f4 Qcc6) 46.Kh2 g5 47.g3 Qf2 48.Kh3 (48.Kh1 Qf3 49.Kg1 Qg3 50.Kf1 Qe3 51.Kg2 Qe2 52.Kg3 h5 53.Kh3 Qg4 54.Kh2 h4 55.Kh1 h3 56.Kh2 Qg2) 48...h5 49.f4 Qg1 (49...Qg1 50.fg5 Qh1) 0–1. redrook (2525) – pierred (2645), net–chess.com, 2008.

10.ab3 d5 11.ed5 cd5?? (better is 11...Qd6=) 12.Qb4+- Nc6 13.Qh4 0-0 14.Nbc3 d4 15.Ne4 Nb4 16.0-0 Nc2 17.f4 (better is 17.Rac1 d3 18.N2c3+/-) 17...Na1= 18.Ba1 Bf5 19.N2g3 Qd7?? (better is 19...Be4 20.Ne4 Rf7=) 20.Nf6 Rf6 21.Qf6 ef4 (21...Bd3 22.Re1 Rf8 23.Qe5+-) 22.Bd4 (22.Nf5 gf5 23.Bd4 Re8 24.Qg5 Kf8 25.Rf4 Re1 26.Kf2 Qe6 27.Qf5 Ke7 28.Qh7 Kd6+-) 22...fg3 23.Qh8 Kf7 24.Qg7 (24.Qa8?! Qd4 25.Kh1 Qb4+/-; 24.Qh7?! Ke6 25.Qh4 gh2 26.Kh2 Kd5+=) 24...Ke6 (24...Ke8 25.Re1 Be6+-) 25.Re1 (25.Qf6 Kd5 26.Qe5 Kc6 27.Qc5) 25...Kd5 (25...Be4 26.Re4 Kd6 27.Qe5 Kc6 28.Qc5) 26.Qe5 Kc6 27.Qc5 1–0. nizinna – prutis, kurnik, 2011.

10.ab3 Be7 11.0-0 d5 12.ed5 cd5-/+.

10.ab3 Be7 11.f4 0-0 12.f5 Kg7 13.g4 d5 14.d3 g5 15.Qg3 Qb6 (15...de4!? 16.de4 Qd7+=) 16.h4+= h6 17.hg5 hg5 18.Qh3 Rg8 19.Ba3 Ba3 20.Na3 c5? (20...Qb4!? 21.Kf1 Nd7=) 21.Qh6 Kf7 22.Qh7 Rg7 23.Qh8 Bd7 24.Rh7 Rh7 25.Qh7 Ke8 26.0-0-0 (better is 26.Qg8!? Ke7 27.ed5+- (27.Qd5?! Na6+=)) 26...Nc6?? (better is 26...d4=) 27.Rh1 (27.Rh1 Kd8 28.Qg8 Be8 29.Qd5 Kc8 30.Nc4+-) 1–0. ejdrzej (1665) – coltrane, kurnik, 2013.

10.ab3 Be7 11.f4 d6 12.f5 Kf7 13.0-0 Qg8 14.d4 g5 15.Qh5 Kf8 16.de5 de5 17.Nd2 Qf7 18.Qf3 h5 19.Nc4 Nd7 20.Ba3 b5 21.Nd6 Qh7 (21...Bd6 22.Bd6 Ke8 23.Qe3+=) 22.Nc8 (better is 22.Qc3!? c5 23.Nb5+-) 22...Rc8+= 23.Be7 Ke7 (23...Qe7 24.Ra7 Qc5 25.Qf2 Qf2 26.Kf2 Ke7+/-) 24.Ra7+/- Rhd8 25.Qc3 Ke8 26.Rd1 Qe7 27.Ng3 (27.b4 Qf8+/-) 27...c5? (better is 27...b4 28.Qd2 Qc5 29.Qf2 h4+/-) 28.Qa5 c4 29.b4 (worse is 29.Qb5 Qc5 30.Qc5 Nc5+/- (30...Rc5?? 31.Nh5 Ke7 32.Nf6 Kf6 33.Rad7Rd7 34.Rd7+-)) 29...Rb8 (better is 29...Rc6+-) 30.Nh5 c3 (30...Kf8 31.Qc7 Qb4+-) 31.Qc7 (better is 31.Rdd7 Rd7 32.Rd7 Kd7 33.Qa7 Kd6 34.Qb8 Kc6 35.Qa8 Kb6 36.Qa5 Kb7 37.Qb5 Ka7 38.Kf2+-) 31...Qb4 (31...Rb6+-) 32.Rd7 (32.Nf6 Kf8 33.Nd7 Rd7 34.Qb8 Kg7 35.Rdd7 Qe7 36.Re7 Kf6 37.Qe5) 32...Qb1 (32...Qd4 33.Rd4 Rd7 34.Qd7 Kf8 35.Qf7) 33.Kf2 Qc2 34.Kg3 Qd3 35.Rd3 (35.Rd3 Rd3 36.Kg4 Rg3 37.Ng3 Rb7 38.Ra8 Rb8 39.Rb8) 1–0. ejdrzej – coltrane (1700), kurnik, 2013.

7.Ne2 a6

8.f4 Na5!? 9.Bd5 c6+=.

8.f4 b5 9.Bd5 d6 10.f5 Ke7 11.0-0 Bb7 (11...Qf8 12.c3 Bc5 13.d4=) 12.d4 (better is 12.c3!? Ba5 13.fg6+/-) 12...Nd7= 13.a3 Ba5 14.Kh1 g5 15.Qh5 Qf8 16.c4 ed4 17.Nd4 Nde5 18.cb5 ab5 19.Nb5 Bb6? (19...Ba6 20.a4 Rb8 21.N1a3+/-) 20.Nd2 (better is 20.Be5!? fe5 21.Qg5 Qf6 22.Qf6 Kf6 23.Rc1+-) 20...Nd3+= 21.Bc3 Nf2? (better is 21...Kd8+=) 22.Rf2!+- Bf2 23.Bc6?? (better is 23.Nc7 Be3 24.Nc4+- (24.Na8?! Ba8 25.Qe2 Bf4+-)) 23...Bc6+= 24.Nc7 Be3 25.Nd5 (better is 25.Nc4!? Bc5 26.Na5 Ra5 27.Ba5+-) 25...Bd5+= 26.ed5 Qf7?? (better is 26...Bd2 27.Bd2 Qf7 28.Re1 Kf8 29.Qh6 Qg7+/-) 27.Qf7 (27.Qf7 Kf7 28.Ne4=) 1–0. ejdrzej (1665) – alexmand, kurnik, 2012.

8.f4 Be7 9.f5+= d5 10.Bd5 (10.ed5 Nb4 11.0-0 Nc2 12.fg6 Na1+=) 10...Nb4 11.fg6 Nd5 12.g7 Rg8 13.Qh7 Kf7 14.ed5 Rg7 15.Qh5 Kf8 16.Nbc3 Bg4 17.Qh4 f5 18.Qh8 Kf7 19.Qd8 Bd8 20.0-0 Nd7 21.Ng3 Kg6 (better is 21...f4!?+=) 22.h3+/- (22.h3 f4 23.Nge2+/-) 1–0. ejdrzej (1710) – sahbaz, kurnik, 2013.

8.f4 ef4 9.Nf4 Be7?? (9...Ne5 10.Nh5 Nc4 11.Nf6 Kf7+=) 10.Ng6!+- hg6 (10...d5 11.Nh8 dc4 12.Qh5 Kd7+-) 11.Qh8 Bf8 12.Bf6 Ne7 13.Qh7 (better is 13.Bg7 d5 14.Rf1 Bf5 15.Qf8 Kd7 16.Qd8 Kd8 17.ef5 dc4+-) 13...b5 (13...d5 14.Bd5 Kd7+-) 14.Qf7 1–0. ejdrzej (1725) – mateiok, kurnik, 2011.

7.Ne2 b6

8.f4 Na5!? 9.Bd5 c6+=.

8.f4 Bd6 9.f5 Ne7 10.0-0 Ba6 11.Ba6 (11.Qf6? Rf8 12.Qf8 Kf8 13.Ba6 Na6 14.fg6 Kg7 15.gh7 Qh8-+) 11...Na6 12.d4 c5?? (better is 12...0-0!?=) 13.de5 (better is 13.Qf6 Rf8 14.Qd6 ed4 15.f6+-) 13...Be5+/- 14.Be5 fe5 15.fg6?? (better is 15.f6 Nc6 16.f7 Kf8 17.Qh6 Ke7 18.Nbc3+/-) 15...Ng6-/+ 16.Qh5 Qe7 17.Nbc3 0-0-0 18.Nd5 Qg7 19.a4 Rhf8 20.a5 Rf1 21.Rf1 b5 22.Nec3 b4 23.Nb5 Kb7 (better is 23...Kb8!?+=) 24.Nd6+- Kb8 (better is 24...Kc6 25.Qe2 Nb8+-) 25.Qe2 Nc7 26.Qc4 (26.Nc7 Kc7 27.Qa6 Rf8+-) 26...Nh4 27.g3 Qg6 (27...Rf8 28.Nc7 Kc7 29.Qc5 Kd8 30.Rf8 Qf8 31.gh4 Qg8 32.Kh1 Qe6 33.Qb4 a6+-) 28.Qc5 Rg8 29.Qc7 (29.Qc7 Ka8 30.Qb7) 1–0. ejdrzej (1730) – marosmenti (1630), kurnik, 2013.

8.f4 Qe7 9.f5 Qg7 10.Nbc3 Ba6 11.Bb3 Na5 (better is 11...Ne7 12.Ng3 c6+=) 12.Nd5+/- Kd8? (better is 12...Nb3 13.ab3 Bd6 14.Nf6 Kd8 15.Ng4 g5+/-) 13.Nec3?? (better is 13.Be5 Be7 14.Bc7 Kc8 15.Qg3+-) 13...Bc3 14.Bc3 Nb3 15.ab3 Rf8?? (15...g5 16.Qg3 Re8=) 16.0-0-0?? (16.Be5 Kc8 17.Bf6+- (17.Nc7 fe5 18.Na8 gf5=)) 16...g5 17.Qg3 Nc6 18.d4 d6 19.Nb4 Nb4 20.Bb4 Kc8 21.de5 fe5 22.Qc3 Kb7 23.Rhe1 Rad8 24.Rd2 g4 25.g3 h5 26.Rf2 Qg5 27.Qd2 Qd2 28.Bd2 Bb5 29.c4 Bc6 30.Kc2 Rh8 31.Kc3 Rdf8 32.Bg5 Rfg8 33.Bh4 Kc8 34.b4 Kd7 35.b5 Bb7 36.Ra2 Ra8 37.Kd3 a5 38.ba6 Ra6 39.Ra6 Ba6 40.Ra1 Bb7 41.Ra7 Bc6 42.Ke3 Ra8 43.Ra8 Ba8 44.Kd3 Bb7 45.Bg5 Ba6 46.Kc3 1–0. ejdrzej (1640) – marki37 (1710), kurnik, 2012.

8.f4 Be7 9.f5+= Ba6 10.Bd5 Nb4? (10...Bf8 11.fg6 Qe7 12.Ng3+=) 11.Bb3?? (better is 11.fg6 Bf8 12.Qh5 Be2 13.Ke2 Nd5 14.g7 (14.ed5?! Ke7+/-) 14...Ke7 15.Qe5 fe5 16.gh8Q Nf4 17.Ke1+-) 11...Be2 12.Ke2 d5 13.fg6 f5?? (better is 13...Qd7 14.Nc3 c6+-) 14.Qh5+- hg6 15.Qh8 Kd7 16.Qd8 Kd8 17.Bd5 c6 18.Bb3 a5 19.a3 N4a6 20.Be5 Nd7 21.Bb2 Nac5 22.ef5 Nb3 23.cb3 gf5 24.Rf1 Bd6 25.g3 Kc7 26.d4 Re8 27.Kd3 f4 28.gf4 Nf6 29.Nd2 Nd5 30.Nc4 Nf4 31.Kc2 Re2 32.Nd2 Rh2 33.Rh1 Re2 34.Rae1 Rg2 35.Rh7 Kd8 36.Rf1 Nd5 37.Rf3 Bf4 38.Bc1 Ke8 39.Kd3 Bd2 40.Bd2 c5 41.dc5 1–0. ejdrzej (1735) – alniro (1650), kurnik, 2012.

7.Ne2 d6

8.0-0 Qe7 9.Nbc3 Bc3 10.Nc3 Be6 (10...f5!? 11.Qe7 Ke7+=) 11.Be6+= Qe6 12.Nd5 Na6 13.Nf6 Kf7 14.f4 (worse is 14.Nh7 Kg7 15.Ng5 Rh4 16.Ne6 Kf6+=) 14...Kg7 15.Ng4 h5 16.f5 Qf7 17.fg6 Qg6 18.Ne3 Rhf8 19.Nf5 Kh8 20.Rf3 Nc5?? (better is 20...Qg4 21.Rh3 Qh4 22.Rh4 Nab4+/-) 21.Rg3+- Qe8 (21...Qh7 22.Rg5 Ne4 23.Rh5 Nf6 24.Rh7 Nh7+-) 22.Rg5 Rf6 (22...Rf5 23.ef5 Rb8+-) 23.Rh5 Kg8 (23...Rh6 24.Qf6 Kg8 25.Qg7) 24.Rh8 Kf7+- 25.Qh7 Ke6 26.Ng7 Kf7 27.Ne8 (27.Ne8 Ke6 28.Nc7) 1–0. druhynejhorsi (1685) – ffn55 (1880), kurnik, 2012.

8.a3 Ba5 9.f4 Qe7 10.f5 gf5-/+ 11.Qh5 Kd8 12.ef5 Nd7 13.0-0 Nb6 14.Bb3 d5 15.Nbc3 Nc4 (15...Rg8 16.Qf3 Bc3 17.Qc3-/+) 16.Bc4=+ dc4 17.Ne4 (17.Qh4 Qf7=) 17...Bb6 18.Kh1 Nd4 (18...Rf8 19.N2c3 Qg7 20.Nd5=) 19.N2c3 (19.Nd4 ed4 20.Qh4+=) 19...c6=+ 20.Qh6 (20.Na4!? Bc7 21.Nac5=+) 20...Rf8 (20...Bf5 21.a4-+) 21.Ng3 Bd7 (21...Nc2!? 22.Rac1 Na3 23.Ba3 Qa3-/+) 22.Nce4 Kc7 (better 22...Nc2 23.Rac1 Nd4=+) 23.d3? (23.Bd4!? ed4 24.Rae1=) 23...cd3 (better 23...Nc2!? 24.Rab1 Be3-+) 24.cd3 Rad8 25.Rac1 Kb8 (25...Rf7 26.a4-/+) 26.Nd2 (26.Bd4 Bd4 27.Nh5 Rf7=+) 26...c5 (26...Bc8!?-/+) 27.Nc4=+ Bc7 28.Ne4 (28.Bd4 cd4 29.Ne4 Rc8=+) 28...b6 (28...Nf5 29.Qh5 Nd4 30.Bd4 cd4 31.Ng3-+) 29.Qh4 (29.Bd4 ed4 30.Rce1 Rde8=+) 29...Bc6 (29...Bf5 30.Bd4 Be4 31.Qe4 Rd4 32.Qe2-+) 30.Ne3 (30.Rf2!?-/+) 30...Ne2-+ 31.Rce1 (31.Rc2 Nf4 32.Nf2 Qg7-+) 31...Nf4 32.Rf4 (32.Rd1 Rd3 33.Rd3 Nd3-+ (33...Be4?! 34.Rd2=+)) 32...ef4 33.Nc4? (33.Bf6 Rf6 34.Qf6 Qf6 35.Nf6 fe3 36.Re3-+) 33...Rd3 (33...Be4 34.de4 b5 35.e5 bc4 36.Rb1-+) 34.Nf6 Re3! 35.Ne3 (35.Ne3 fe3 Passed pawn) 35...fe3 36.Qh6 e2 (36...Rd8 37.Bc3 Rd3-+) 37.Qh5?? (37.Kg1!? c4 38.Kh1-+) 37...Qd6 (37...Rd8 38.Qh4 Rd1-+) 38.Ng4?? (better 38.Qh6-+) 38...Qd1 (38...Qd2 39.Bc3 Qc3 40.Qe8 Re8 41.Rg1 Qh3 42.f6 Qg2 43.Rg2 e1Q) 39.Qh4 (39.Bc3 Qd3 40.Nf2 Qc3 41.Qe2 Rf5-+) 39...Qc2 (39...Rf5 40.Bd4 cd4 41.Qd8 Bd8 42.h3 Qe1 43.Kh2 Bc7 44.Ne5 Be5 45.g3 Qg3) 40.Be5-+ Be5 (better 40...Qf5 41.Bc7 Kc8-+) 41.Ne5 Rf5 (better 41...Bg2 42.Kg2 Qf5 43.Re2 Qf1 44.Kg3 Rg8 45.Ng4 Qe2-+) 42.Nc6 Kb7 43.Qe7 Kc6 44.Qe8 (44.Kg1 Rf1! 45.Rf1 ef1R 46.Kf1 Qc1 47.Ke2 Qa3 48.Qh7 Qb2 49.Kf3 Qf6 50.Kg3 a5-+) 44...Kb7 (44...Kd5 45.Kg1 Rf1 46.Rf1 ef1R 47.Kf1 Qd3 48.Kf2 Qf5 49.Kg1 Qb1 50.Kf2 Qb2 51.Kf1 Qa3 52.Qf7 Kd4 53.Qf6 Kc4 54.Qh4 Kb3 55.Qh7-+) 45.Qd7 Ka6 46.Qc8?? (46.Kg1-+) 46...Ka5 47.Rg1 Rf1 48.Qe6 (48.Qe8 Qd1 49.h3 Rg1 50.Kh2 e1Q 51.Qb5 Kb5 52.a4 Ka4 53.g4 Qed2) 48...Qd1 49.Qe3 (49.h4 Rg1 50.Kh2 e1Q 51.Qe1 Qe1 52.Kh3 h5 53.g4 Qg3) 49...Rg1 50.Qg1 e1Q 51.Qe1 Qe1 0-1. pacal56 (2275) - mecker (2205), Rated Blitz game, lichess.org, 2014.

8.Nbc3 Na5 9.Bb3 Nb3 10.ab3 0-0 11.0-0 f5 12.Qh6 (12.Qd8 Rd8 13.Nd5 Nc6 (13...Bd2? 14.Nc7 fe4 15.Na8+-) 14.Nc7 Rb8=) 12...f4 13.f3 Bc5 14.Kh1 Nd7 15.Na4 a6 16.Nc5 Nc5 17.d4 Nd7 18.Rad1 Qe7 19.de5 Ne5 20.c4 g5 21.h3 Ng6 (better is 21...Be6!?+=) 22.Rd5+= Ne5 23.Rfd1 Qf6 (23...Be6 24.Be5 Bd5 (24...de5? 25.Re5 Rae8 26.Nd4+-) 25.Bd6 cd6 26.Rd5 Kh8=) 24.Qh5 (better is 24.Qf6 Rf6 25.Be5 de5 26.Re5+/-) 24...Be6+= 25.R5d2 h6 26.Be5 de5 (worse is 26...Qe5 27.Qg6 Kh8 28.Qh6 Kg8 29.Qg6 Kh8 30.Nd4+=) 27.Nd4?? (better is 27.Nc3+=) 27...ed4-+ 28.Rd4 Kg7 29.h4 Rad8 30.Rd8 Rd8 31.Rd8 Qd8 32.hg5 Qg5 33.Qe8 Qf6 34.Kg1 h5! 35.Qb8 b6 36.Qc7 Kg6 37.Qb6 h4?? 38.Qa6= h3 39.gh3? Bh3?? 40.Qb5 Qg5 41.Qg5= Kg5 42.b4 Bd7 43.Kf2 Kf6+= 44.Ke2? Ke6?? 45.Kd3+- Kd6 46.Kd4 Kc6? 47.e5 Bf5 48.b5 Kb6 49.Kd5 Kc7 50.c5 Kd7 51.c6 Kc7 52.Kc5 (52.Kc5+-) 1–0. ejdrzej – prutis, kurnik, 2012.

8.Nbc3 Na5 9.Bb3 Nb3 10.ab3 Be6 11.f4 Nc6 12.0-0 0-0 13.f5 g5 14.Qh6 Bf7 15.d3 d5 (15...Bc5 16.Kh1+=) 16.ed5 (better is 16.Rf3!? Bc5 17.Kh1+=) 16...Bd5+= 17.Nd5 Qd5 18.Kh1 Qf7 19.Ng3 Qg7 20.Qh3 Nd4 21.Bd4 ed4 22.Qg4 Bd6 (22...c5!?+=) 23.Ne4 Qf7 (better is 23...Rfd8!?=) 24.Nd6+/- cd6 25.Qd4 Rae8 (25...Qc7 26.c4+/-) 26.c4 Re2 27.Ra7 Qh5? (better is 27...Qc7+-) 28.Qd6 Qg4 (28...Qe8 29.Qb4+- (29.Rb7 Re1 30.Qd5 Rf7 31.Qf7 Qf7 32.Rb8 Re8-+)) 29.Qd5 Kh8 30.Rb7 h5 (30...Qf4 31.Rg1 g4 32.Rf7+-) 31.Rd7 h4 32.Rd8 Ree8 33.Re8 Re8 34.h3 Qg3 35.Qf7 Re2?? 36.Qf6 Kg8 37.Qg6 Kf8 38.Rg1 Rg2 39.Qh6 Ke7 40.Qe6 Kd8 41.Qd5 Kc7 42.Qg2 (42.Qg2 g4 43.Qg3 hg3 44.f6 Kd8 45.f7 Kc7 46.f8Q Kb7 47.Qe7 Kb6 48.Ra1 g2 49.Kg2 gh3 50.Kh3 Kc6 51.Ra6) 1–0. ejdrzej – ovid44 (1635), kurnik, 2013.

8.Nbc3 Na5 9.Bb5 c6 10.Nd5-/+.

8.Nbc3 Na5 9.Bd5 c6 10.Bb3 Nb3 11.ab3 Be6 12.f4 Nd7 13.0-0 0-0 14.f5 Bf7 15.d4 a5 16.de5 Ne5 17.Nf4 Bc5 18.Kh1 Kg7 (18...b5 19.fg6 hg6 20.Qg3-/+) 19.Rad1 (19.Qg3!? g5 20.Na4+=) 19...Qe7 20.Qg3 Rad8 21.h4 (21.fg6 Bg6 (21...Ng6?? 22.Nh5 Kh8 23.Na4 Bb3 24.cb3+-; worse is 21...hg6 22.Nh5 Kh8 23.Nf6+/-) 22.Na4 Ba7=) 21...Rg8 (21...b5 22.Nce2 a4 23.fg6 hg6 24.Nh5 Kh8 25.Nf6 Bb3 26.Qg5+- (26.cb3?! Rf6 27.ba4 ba4=)) 22.Qh3 (22.fg6 Kh8 23.h5 hg6 24.hg6 Bg6 25.Qh3 Qh7 26.Ne6 Qh3 27.gh3-/+) 22...Kh8 23.Na4 Ba7 24.h5 gh5 25.Nh5 Bh5 26.Qh5 Rg5 27.Qh3 Qf7 28.Rf4 Rdg8 29.Be5 de5 30.Rh4 Rg3 31.Qh2 Rg2 (better is 31...Qg7!? 32.Rd3 Be3 33.Nc5 Rg2 34.Rh7 Qh7 35.Qh7 Kh7 36.Re3 Rg1 37.Kh2 R8g2 38.Kh3-+) 32.Qg2 Rg2 33.Kg2 Qg7 34.Kf3 Qg5?? (better is 34...Bd4 35.Rdh1 b5-+) 35.Rd8+- Kg7 (35...Qg8 36.Rg8 Kg8 37.Rh1+-) 36.Rg4 b5 (36...h5 37.Rd7 Kh6 38.Rg5 fg5 39.Rb7 g4 40.Ke2+-) 37.Rg5 fg5 38.Nc3 h5 (38...h5 39.Rd7 Kf8 40.Ra7 Kg8+-). ejdrzej (1615) – sakkmat (1620), kurnik, 2013.

8.Nbc3 a6 9.a3 Bc5 (9...Bc3 10.Nc3 Nd7 11.Qh6=) 10.0-0 (10.Nd5!? h5 11.Qf6 Qf6 12.Nf6 Kd8 13.f4+=) 10...b5 11.Bb3 Nd4 12.Nd4 Bd4 13.Rab1 c5 14.d3 Bb7 15.Nd5 Bd5 16.Bd5 Ra7? (better is 16...Bb2 17.Ba8 Ba3+=) 17.c3+- Bc3 18.Bc3 Nd7 19.f4 Nb6? (19...Qe7 20.fe5 de5 21.Bd2+-) 20.Bb3 (better is 20.Ba5!? Rf8 21.Bc6 Ke7 22.Qh7 Rf7 23.Qg6 Qb8+-) 20...c4 (20...Nd7 21.f5 Ke7 22.Qh3+-) 21.dc4 Nc4 22.Bc4 bc4 23.fe5 (23.Ba5 Qa8 24.Qf6 Rf8 25.Qe6 Re7 26.Qd6 Rf4 27.Rb8 Qb8 28.Qb8 Kf7 29.Rf4 ef4 30.Qf4 Ke8+-) 23...fe5 (23...0-0 24.Bd4 Rc7 25.ef6 Rcf7+-) 24.Qd8 Kd8 25.Rb6 (better is 25.Rb8 Kd7 26.Rh8+-) 25...Kd7 (25...Ke7+-) 26.Rf7 (26.Rf7 Ke6 27.Ra7+-) 1–0. ejdrzej (1715) – prutis, kurnik, 2013.

8.Nbc3 Nd4 9.Nd4N ed4? (better is 9...Bc3 10.dc3 ed4 11.cd4 Nd7+/-) 10.Nd5+- Bc5 (10...Be6 11.Bd4 Bd5 12.Bf6 Bc4 13.Bd8 Nc6 14.e5 Bd5 15.Bf6) 11.Nf6 Kf8 (11...Ke7+- 12.c3 d3 13.0-0 h6 14.Nd5 Ke8 15.Qg3) 12.Qh6 (12.Qh6 Ke7 13.Qg7) 12...Ke7 13.Qg7 1–0. Janek – Naud, internet free game, 2017.

8.Nbc3 Nd4?? 9.Nd4 Bc3 10.dc3 ed4 11.cd4+/-.

8.Nbc3 Nd4?? 9.Nd4+/- Bc3!? 10.Bc3 ed4 11.Bd4 Nd7+/-.

8.Nbc3 Nd7 9.f4 Nf8 (better is 9...Nb6!? 10.Bb5 a6 11.Bc6 bc6-/+) 10.Nd5+= Bc5?? (better is 10...Nd7+=) 11.Nf6+- (11.Nf6 Ke7 12.Nh7 Kd7 13.Nf6 Ke7 14.Qh8+-) 1–0. Speedy – Macho, internet, 2017.

8.f4 Bc5 9.Qh6 Qe7 10.Nbc3 Nb4 11.0-0-0 c6 12.fe5 de5 (12...fe5?! 13.Rhf1 Rf8 14.Rf8 Qf8 15.Qh7+=) 13.d4 ed4 14.Nd4 Bd4 (14...b5 15.Be2-/+) 15.Rd4+= Be6?? (better is 15...b5 16.Bb3 a5+=) 16.Be6+- Na2 (16...a6+-) 17.Ba2 (worse is 17.Na2 c5 18.Ra4 Qe6+-) 17...Nd7 18.Rhd1 0-0-0 19.Qh3 Kc7 20.Na4 b6 21.Ba3 c5 22.Nc3 Ne5 23.Rd8 Rd8 24.Nd5 Rd5 25.ed5 (25.ed5 Kd6 26.Bb2+-) 1–0. Janek – Henry, internet, 2016.

8.Nbc3 Bc3

9.Bc3 a6 10.Nf4 Ke7?? (better is 10...f5 11.Qh6 Ne7+/-) 11.Nd5+- Ke8 (11...Kf7 12.Nc7 Kg7 13.Na8 b5+-) 12.Nf6 Kf8 (12...Qf6 13.Qf6 Rf8+-) 13.Qh6 (13.Qh6 Ke7 14.Qg7) 1–0. guesttulw – guestfgaz, private online chess game, 2018.

9.Nc3 Nd7 10.f4 Nd4 11.0-0-0 c6 12.f5 Ke7 13.Rhf1 b5 14.Be6 Ne6 15.fe6 Ke6 16.d4 Qf8 (better is 16...b4 17.d5 Kf7 18.dc6 bc3 19.Bc3 Nb6 20.Be5 f5+=) 17.d5 cd5 18.Nd5 Rb8?? (18...g5 19.Qg4 Kf7 20.Qh5 Kg8 21.Nf6 Nf6 22.Qg5 Qg7 23.Qf6 Qf6 24.Rf6+-) 19.Ba3?? (better is 19.Nf6 Qe7 20.Qg4 Kf7 21.Nd5 Nf6 22.Qg3+- (22.Rf6?! Qf6 23.Nf6 Bg4 24.Ng4 Ke6=)) 19...b4 20.Bb4 Rb4 21.Nb4 Qd8 (21...Bb7 22.Nd5 Bd5 23.Rd5+-) 22.Nd5 (better is 22.Qh3 Kf7 23.Rd6+-) 22...Qa5?? (22...Ba6 23.Rf2 Kf7 24.a3+/-) 23.Qh3 (better is 23.Rf6 Nf6 24.Qf6 Kd7 25.Qh8 Qa3 26.Kb1+-) 23...Kf7+/- 24.Qb3 Kg7 25.Ne7 Ba6 26.Rf3 Rb8?? 27.Qe6 Qb5 28.Rb3 (28.Rd6?! Qb2 29.Kd2 Qb4 30.Rc3 Qe4 31.Nf5 Kh8+-; 28.Qd6?! Qb2 29.Kd2 Qb5+-) 1–0. ejdrzej (1620) – marosmenti (1605), kurnik, 2013.

9.Nc3 Qe7?? 10.Nd5+/- Qg7 11.Nf6 Kd8 12.Nd5 Ne7 13.0-0 c6 14.Ne7 Qe7 15.Qg3 Be6 16.Be6 Qe6 17.d4 Nd7 18.de5 Ne5? (18...de5 19.Rfd1 Kc7 20.Rd2+/-) 19.Rad1 Kc7 20.f4+- Nc4 21.Bh8 Rh8 22.e5! d5 23.f5! gf5?? 24.Qg7+- Kb6 25.Qh8 Ne3 26.Qd8 Ka6 27.Qd6 Qg6 28.Qg6 hg6+- 29.Rde1 Nf1 30.Rf1 Kb6 31.Re1 Kc7 32.e6 Kd8 33.e7 Ke8 34.Kf2 c5 35.Kf3 g5 36.h3 b5 37.g4 f4 38.Re5 d4 39.Rc5 a6 40.Rg5 Ke7 41.Rd5 Ke6 42.Rd4 1–0. ejdrzej (1690) – ovid44, kurnik, 2011.

8.f4 Qe7

9.0-0 Na5 10.Bd3 Be6 11.f5 g5 12.Qg3 Bf7 13.Nbc3 c6 14.Na4 (14.Kh1 Nd7+=) 14...b5 (better is 14...Bd2!? 15.Rfd1 Bf4-/+) 15.c3+= Bc5 16.Nc5 dc5 17.Bc2 Nc4 18.Bc1 Nd7 19.d3 Ncb6 20.Be3 h5 21.a4 h4 22.Qf3 Bh5 23.Qf2 g4 (23...a5 24.Rfb1 Be2 25.Qe2=) 24.ab5 (better is 24.Qh4!? Na4 25.Ba4 ba4 26.Ra4+-) 24...g3+= (worse is 24...cb5 25.Qh4 a6 26.Ra5+/-) 25.hg3 Be2 26.Qe2 hg3 27.Qg4 cb5 28.Ra5 Qh7 29.Qg3 Ke7 30.Kf2 Rag8 31.Qf3 Qh4 32.g3 Qh2 33.Qg2 Rh3 Increases the pressure on the backward pawn 34.Rg1 Rgg3 (34...b4 35.cb4 cb4 36.Bd2+/-) 35.Qh2+/- Rh2 36.Kg3 Rc2 37.Rc1 (37.Ra7?! Rc3 38.Kf2 Kd6+=) 37...Rb2 (37...Rc1!? 38.Bc1 b4+-) 38.Ra7+- Kd6 39.Raa1 Re2 40.Kf3 Rh2 41.Bf2 Rh3 42.Bg3 c4 43.d4 Na4 44.Kg4 Rh7 45.Ra3 Rg7 46.Kf3 Kc6 47.Rb1 (47.Rb1 Nc3 48.d5 (48.Rc3?! ed4 49.Ra3 Nc5+-) 48...Nd5 49.ed5 Kd5 50.Rb5 Kc6 51.Rb4+-) 1–0. Janek – Andrew, internet, 2016.

9.0-0 Be6 10.Bb3 Bb3 11.ab3 Nd7 12.c3 Ba5 13.d4 Bb6 14.Nd2 0-0 15.f5 g5 16.Qg3 ed4 17.cd4 Qe5 18.Qd3 Kh8 19.Rf2 Qe7 20.Nc4 Nde5 (better 20...Qf7!?=) 21.de5+- Ne5 22.Ne5 Bf2 23.Kf2 de5 24.Ba3 (24.Ba3 c5 25.Nc3+-) 1–0. Marcus – cgo69, internet, 2018.

9.0-0 Be6 10.Bb3 Bb3 11.ab3 Nd7 12.c3 Bc5 13.d4 Bb6 14.Nd2 0-0-0 15.fe5 fe5 16.Qe7 Ne7 17.Nc4 Rhf8 18.Nb6 Nb6 (18...ab6 19.Ra8 Nb8 20.Rd1=+) 19.Rf8= Rf8 20.de5 (20.Ra7 Kb8 21.Ra1 Nd7=) 20...de5 21.Ba3 (21.Ra7 Nc6 22.Ra1 Kd7=) 21...Rf7 22.Be7 Re7 23.Ra7 Rd7 24.Ra5 Rd2 25.Kf2 Rb2 (25...Nd7 26.Ke3 Rd1 27.Ra8 Nb8 28.b4=) 26.Re5+= Rb3 27.Re7 Nc4 (27...h5!?+=) 28.Rh7+- b5 29.Nd4 Rb2 30.Kg3 c5 (30...Nb6!?+-) 31.Ne6+- Rb3?? (better 31...Nb6 32.Rc7 Kb8 33.Rc5 Na4+-) 32.Rh8 Kd7 33.Nc5 (33.Nc5 Kd6 34.Nb3+-) 1–0. Pierre – Cleary, internet, 2020.

9.0-0 Be6 10.Bb3 Nd7 11.Nbc3 Bc3 12.Nc3 a6 13.Nd5 Bd5 14.Bd5 Nb4 15.fe5 (15.Bb3 Nc5=) 15...de5 (15...fe5 16.Qe7 Ke7 17.Rf7 Kd8 18.Bb3=+ (worse 18.Bb7 Rb8 19.a3 Ke8-/+)) 16.Ba3= (worse 16.Bb7 Rb8 17.a3 Nc2-/+) 16...c5 17.Bb4 cb4 18.Bb7 Ra7 19.Bd5 a5 (19...Rc7 20.Rac1=) 20.c3 bc3 21.dc3 Qc5 22.Kh1 Qc3?? (better 22...Ra6+=) 23.Rac1+- Qd3 (23...Rc7 24.Rc3 Rc3 25.Qh6+-) 24.Rf6 Nf6 (24...Nc5 25.Rb6 Qd5+-) 25.Qf6 Rf8 26.Rc8 Kd7 27.Qe6 1-0. marekt (2185) - tapanis (1870), gameknot.com, 2020.

9.0-0 Be6 10.Bb3 Nd7 11.Be6 Bc5?? (better 11...Qe6 12.Nbc3 0-0-0-/+) 12.d4!+- Nd4 (12...Bd4 13.Nd4 Combination; 12...Nd4 13.Bd7 Combination; 12...ed4 13.Bd7 Combination) 13.Bd7+- Qd7 14.Nd4 ed4 15.Nd2 0-0 16.Nb3 Rae8 17.Rae1 (17.Nd4?! Re4 18.c3 Re2+=; 17.Bd4?! Bd4 18.Nd4 Re4+-) 17...Qa4 (17...Qb5 18.Bd4 Bd4 19.Nd4+-) 18.f5 (18.Nc5 dc5 19.f5 g5+-) 18...g5 19.Qf2 Qa2 (19...Bb6 20.Bd4 c5 21.Bc3 Re4 22.Re4 Qe4 23.Re1+-) 20.Bd4 Bd4 21.Nd4 (21.Qd4?! Qc2 22.Qd5 Rf7+-) 21...a5 (21...Rf7 22.Ne6+-) 22.Ne6 Rf7 (22...Qc4 23.Nf8 Kf8 24.h4+-) 23.Qe2 c6 (23...Qa4 24.h4! gh4 25.Ra1+-) 24.Qd3 d5 (24...Qb2 25.Qd6 a4 26.Qg3+-) 25.e5 Qc4 26.Qf3 fe5 (26...Ra8 27.ef6 Qh4 28.Qe3+-) 27.Re5 d4 (27...Qc2 28.Nd4 Re5 29.Nc2 Ref5 30.Qf5 Rf5 31.Rf5+-) 28.Qg4 h6 (28...Qb4+-) 29.Qh5 Ree7 (29...Qf1 30.Kf1 Ref8 31.Qg6 Kh8 32.Nf8 Rg7 33.Qh6 Kg8 34.Re8 d3 35.Nd7 Kf7 36.Qe6) 30.Qg6 (30.Ra5 Re6 31.g4 Qe2-/+) 30...Kh8 (30...Rg7 31.Ng7 Qf7 32.Re7 Qe7 33.Ne6 Kh8 34.Qh6 Kg8 35.f6 Qf7 36.Rf5 Qd7 37.Nd8 Qh7 38.f7 Qf7 39.Rf7 a4 40.Qg7) 31.Ra5 Re6 (31...Qf1 32.Kf1 Rf8 33.Qh6 Kg8 34.Qf8 Kh7 35.Ng5) 32.Ra8 (32.Ra8 Re8 33.Re8 Rf8 34.Rf8 Qg8 35.Rg8) 1–0. Pierre – Nfce, internet, 2020.

9.Nbc3 Ba5 10.a3 (--> 7.f4 Qe7 8.a3 Ba5 9.Ne2 d6 10.Nbc3).

9.Nbc3 Bc3 10.Bc3 f5 11.Qe7 Ke7+=.

9.Nbc3 Bc3 10.Nc3 Nb4 11.Rc1=.

9.Nbc3 Bc3 10.Nc3 f5 11.Qh6+=.

9.f5 gf5!? 10.Qh5 Kd8 11.ef5 Na5-/+.

9.Nbc3 Be6

10.Nd5 Bd5 11.ed5 Nd8 12.f5 gf5 13.Qh5 Qf7 14.Qf5+=.

10.Nd5 Bd5 11.Bd5 Bc5 12.Bc3+=.

10.Nd5 Bd5+= 11.Bd5 Nd7 12.0-0 (12.a3 Bc5+=) 12...Nb6 (12...Bd2 13.Rab1-/+) 13.Bb3? (13.Bc6 bc6 14.d3 Bc5 15.Kh1 Rb8+=) 13...0-0-0 (better is 13...Bd2!? 14.Rad1 Be3 15.Kh1 Rf8-/+) 14.d3 Bc5 15.Kh1 Be3?? (15...Rhf8 16.Qh3 Kb8 17.Rab1+=) 16.Qg3?? (better is 16.Qh3 Kb8 17.Qe3+-) 16...ef4 17.Nf4 Bf4 18.Qf4 Rhf8 19.Bf6 Qd7 20.Qg5 Rde8 21.Bc3 Ne5 22.Be5 de5 23.Rf8 Rf8 24.Qe5 Kb8 25.a4 Nc8 26.a5 a6 27.h3 Ne7 28.Rb1 Nc6 29.Qb2 Na5?? 30.Bd5 b6 31.Qa3 Rf2 32.Qa5 Rc2?? 33.Qa6+- Qc8 34.Rb6! (34.Rb6 cb6 35.Qb6 Qb7 36.Qb7) 1–0. ejdrzej – sakkmat, kurnik, 2013.

10.Nd5 Qf7?? 11.0-0 Bc5 12.d4 Nd4 13.Nd4 Bd4 14.Bd4 ed4 15.Nc7 Qc7 16.Be6 Nd7 (16...Qe7 17.Bd5 Nc6 18.Qf2+=) 17.f5 0-0-0 18.Rfc1 (18.Qf6! gf5 19.ef5+/-) 18...g5 19.Qg3 Kb8 20.c3 d3 21.Qd3 Ne5 22.Qb5 Qc5 23.Qc5 dc5 24.h3 Rd2 25.a4 Rhd8 26.a5 (26.Bd5 c4=) 26...a6 (26...Nd3 27.Rd1 Nf4 28.Rd2 Rd2 29.Ra2 Ra2 30.Ba2 Ne2 31.Kf1 Ng3 32.Ke1 Ne4 33.c4-/+) 27.Rab1 Ra2?? (better is 27...R8d3 28.Rf1 Rc3-/+) 28.Bd5 (28.Ba2 Kc7+-) 28...Rd7?? (28...Rd5 29.ed5 Ra5 30.Rb6+/-) 29.Rb6 (better is 29.Ba2 g4 30.hg4 Ng4 31.Rd1+-) 29...Ra5+= 30.Rf6 Nd3 31.Rb1 Nf4 32.c4 b5 33.Rb6 Ka7 34.Rc6 bc4 35.f6 Nd5 36.ed5 Rd5?? 37.Rc7+- Ka8 38.f7 Rd8 39.Rf1 c3?? 40.Re7 Ra2 41.Re8 Rad2+- 42.Rd8 Rd8 43.f8Q (43.f8Q Rf8 44.Rf8 Kb7 45.Rf1+-) 1–0. ejdrzej (1655) – lechupl1 (1605), kurnik, 2012.

10.Nd5 Qf7?? 11.0-0 Bc5 12.Kh1 0-0? (12...f5 13.fe5 Ne5 14.Nef4 Nc4 15.Ne6+- (15.Bh8?! Bd5 16.Nd5 Nd2+/-)) 13.f5?? (better is 13.fe5 Nd7 14.Rf6 Nf6 15.Nf6 Qf6 16.ef6 Bc4 17.d3+-) 13...gf5= 14.Rf5 f6 becomes the focus of attention 14...Nd7 15.Raf1 Na5 16.Nf6 Nf6 17.Rf6 Nc4 18.Rf7 Bf7 19.d4 Nb2 20.dc5 Bg6 21.Rf8 Rf8 22.h3 dc5 23.Ng3 Nd1? 24.Qe7 Nf2+/- 25.Kh2 Rf7? 26.Qe5 b6 27.c4 Nd3 28.Qe8 Kg7 29.e5 Ne5? 30.Qe5 Kg8 31.a4 Kf8 32.Nh5 a5 33.Nf6 Re7 34.Qg5 Rf7 35.Nd5 1–0. ejdrzej (1615) – sakkmat, kurnik, 2013.

10.Nd5 Qf7?? 11.Nf6!? Kd8 12.Nh7 Qe7 13.Qe7 Ke7 14.Be6 Ke6 15.Ng5 Kd7 16.h4+-.

10.Be6+= Qe6 11.Nd5 Na6 12.0-0 (12.Nf6 Kd8+/-) 12...0-0 (12...Bc5 13.Kh1 f5 14.fe5 de5 15.Nef4=) 13.d3 (better is 13.fe5 fe5 14.c3+/-) 13...Bc5 14.Kh1 Ncb4 (14...f5 15.fe5 de5 16.c4+=) 15.d4 (15.fe5 Nd5 16.ed5 Qd5+/-) 15...Bd4 (15...Nd5!? 16.f5 Qf7 17.ed5 Bb6+=) 16.Bd4= Nc2 17.Rab1 (17.f5 gf5 18.Rf5 Na1 19.Ba1 Rf7+/-) 17...Nd4 18.Nd4 ed4 19.Rbe1?? (better is 19.f5 gf5 20.Rf5+=) 19...c6 20.f5 Qf7?? (better is 20...gf5 21.Nf4 Qf7-/+) 21.fg6+/- hg6?? (21...Qg7 22.Nf6 Rf6 23.Rf6 h6+-) 22.Nf6+- (22.Nf6 Qf6 23.Rf6 Rf6 24.Qf6+-) 1–0. ejdrzej (1670) – marosmenti, kurnik, 2013.

10.Be6 Qe6 11.Nd5 Ba5 12.Nf6 Kf7 13.Nd5 Kg7 14.0-0 Nd7 15.f5 Qf7?? (better is 15...Qe8+/-) 16.fg6+- Qg6 (16...Qf1 17.Rf1 hg6+-) 17.d4 (better is 17.Nef4+-) 17...Rhf8+/- 18.Ng3 Kg8 19.Nf5 Nf6?? (better is 19...Kh8+/-) 20.Nde7+- Kh8 (20...Kf7 21.Ng6 hg6 22.Nd6 Kg7 23.de5 Nh5 24.e6 Kg8+-) 21.Ng6 (21.Ng6 Kg8 22.Nh6 Kg7 23.Nf8 Kf8 24.Qf6 Ke8 25.Qe6 Ne7 26.Rf7 ed4 27.Qe7#) 1–0. ejdrzej (1665) – najlepszy19 (1835), kurnik, 2012.

10.Be6+= Qe6 11.Nd5 Qf7 12.Nf6 Kf8?? (better is 12...Kd8+/-) 13.0-0 Kg7 14.fe5 Ne5 (14...Bc5 15.Kh1 de5+-) 15.Be5 de5 16.Nh5!! gh5 17.Rf7 Kf7 18.Rf1 (better is 18.Qh5 Ke6 19.Qf5 Kd6 20.Qf6 Kd7 21.Qh8 Bc5 22.Kf1 Bd6 23.Qh7 Be7+-) 18...Ke6 (18...Ke8 19.Qh5 Kd8 20.Qe5 Re8+-) 19.Qf6 (19.Qf6 Kd7 20.Qh8+-) 1–0. ejdrzej – prutis, kurnik, 2013.

7.Ne2 Qe7

8.0-0 d6 9.f4 Be6 10.Bb3 Bb3 11.ab3 Nd7 12.d4 (better is 12.Nbc3!? Bc5 13.Kh1+=) 12...ed4-/+ 13.Nd4 Bc5 (13...Qe4 14.Nc6 bc6 15.Rc1-+) 14.Rd1 (14.c3!?-/+) 14...0-0-0 (14...Qe4? 15.Re1 f5 16.Re4 fe4 17.c3+-) 15.Kh1 Nd4 (15...Qe4?! 16.Nd2 Qd5 17.c4+=) 16.Bd4 Qe4 17.Bf6 (17.Qf2 a6 18.Bc5 Nc5-/+) 17...Qc2 (17...Nf6 18.Qf6 Rhf8 19.Nd2 Qf4 20.Qc3-+) 18.Nd2 Nf6 19.Qf6 Rhf8 20.Qh4 Rde8 21.h3 Re2?? (21...h5 22.Nf3-+) 22.Rac1?? (better is 22.Qg4 Qf5 23.Qe2+-) 22...Qf5 (22...Rd2 23.Rc2 Rd1 24.Kh2 Bg1 25.Kg3 Rd3 26.Kg4 Rf4 27.Kf4 Rd4 28.Kg3 Bh2 29.Kh2 Rh4 30.g4-+) 23.Nc4? (23.Qh7 Qh5 24.Qg7-+) 23...Qf4 24.Qf4 Rf4 25.Nd6 cd6 26.Rd6 b6 27.Rd3 Rff2 28.b4 Rg2 29.bc5 Rh2 30.Kg1 Reg2 31.Kf1 Rh1 32.Kg2 Rc1 33.cb6 ab6 34.Kf3 Rc7 35.Ke4 Kb7 36.Ke5 b5 37.Kd6 Rf7 38.Rb3 Kb6 39.Ke6 Rf4 40.Ke5 Rf5 41.Kd4 Ka5 42.Ra3 Kb4 43.Re3 Rf4 44.Kd5 Rh4 45.Ke5 Ka5 46.Ra3 Kb6 47.Kd5 b4 48.Rb3 Kb5 49.Ke5 Ka4 50.Rd3 b3 51.Rd8 Rb4 52.Ra8 Kb5 53.Kd5 Rh4 54.Rb8 Ka4 55.Ra8 Kb4 56.Ke5 b2 57.Rb8 Kc3 58.Rc8 Rc4 59.Rb8 Rb4 60.Rc8 Kb3 61.Kd5 b1Q 62.Re8 Qf5 63.Kd6 Qf7 64.Re7 Qe7! 65.Ke7 Rh4 66.Kf6 Rh3 67.Kg5 h5 68.Kg6 h4 69.Kg5 Rh1 (69...Rh1 70.Kf5 Rg1 71.Kf6 h3 72.Ke7 h2 73.Kf7 h1Q 74.Ke6 Qe4 75.Kd7 Rg6 76.Kd8 Rg7 77.Kc8 Qe8) 0–1. brother – amanda39, kurnik, 2013.

8.a3 Ba5 9.f4 d6 10.0-0 Be6 11.Bb5 0-0 12.d4 ed4 13.f5 Bf7 14.Nd4 (14.fg6 hg6 15.Rf3 Be6-/+) 14...Bb6-+ 15.c3? (15.Bc6 Nc6 16.c3-+) 15...Ne5?? (better is 15...Nd4 16.cd4 Qe5 17.fg6 hg6-+ (17...Bd4?! 18.Bd4 Qd4 19.Kh1 Bg6 20.Ra2-+)) 16.Kh1 (16.fg6 hg6 17.Qf6 Qf6 18.Rf6 Nbd7 19.Bd7 Nd7-/+) 16...a6 17.Be2 g5 18.Qg3 h5 19.Ne6 Be6 20.fe6 h4 21.Qh3 Re8 (better is 21...Nbc6!?-/+) 22.Bh5= Rf8 23.Nd2 (23.Be2 Nbc6-/+) 23...Nbc6+= 24.Nf3 Nf3 25.Rf3 Ne5 26.Rff1 c6 (26...Qh7 27.Be2+=) 27.Rad1 Rad8 (27...Qh7!? 28.Bf7 Kg7=) 28.c4= Nc4 29.Bf7 Rf7 30.ef7 Kf7 31.Bf6 (31.Bf6 Qf6 32.Rf6 Kf6 33.Qf5 Ke7 34.Qg5 Kd7 35.Qf5 Kc7 36.Qf7 Rd7 37.Qc4+-) 1–0. brother – mjesi, kurnik, 2012.

8.a3 Bc5 9.0-0 (9.Nbc3 f5 10.Qe7 Ke7 11.ef5 gf5=+) 9...a6 10.Nbc3 d6 (better 10...f5!? 11.Qe7 Ke7=+) 11.Nd5+= Qg7 12.Nf6 Kf8 13.Kh1 (better 13.Nd5+=) 13...Nd7? (better 13...b5 14.f4 bc4 15.fe5 g5+-) 14.f4 Nf6 15.fe5 Ne5? (better 15...de5 16.Rf6 Ke8+-) 16.Rf6 (16.Qf6?! Qf6 17.Rf6 Ke7 18.Be5 de5 19.Rf7 Kd8+=) 16...Ke8 17.Rf7!! Nf7 (17...Nf7 18.Bg7 Pinning (18.Bg7 Deflection; 18.Bg7 Clearance)) 18.Bg7 Rf8 (18...Ne5 19.Bb3 Rf8 20.Bf8 Kf8 21.Qd8 Kg7+-) 19.Bf8 Kf8 20.Qf6 Ke8 21.Qf7 Kd8 22.Rf1 b5 23.Qf8 Kd7 24.Bd5 Bb7 (24...Bf2 25.Rf2 c6 26.Rf7) 25.Rf7 1-0. PEREIRA – Whitak, internet, 2021.

8.Nbc3 Ba5 9.Nd5+/- Qg7 10.Nf6 Kf8 (better is 10...Kd8 11.Nd5 g5+/-) 11.0-0?? (11.f4 d6 12.fe5 Ne5 13.Be5 de5+-) 11...Bb6?? (better is 11...g5 12.Qh5 Qf6-/+) 12.Nd5+- d6 13.Nb6 ab6 14.f4 Ke8 15.Bb5?? (better is 15.fe5 Ne5 16.Rf7+-) 15...Bd7 16.a4 Na6 17.Bc6 bc6 18.fe5 de5 19.d4 Qe7 20.Qg3 Nb4 21.de5 Be6 22.Nd4 Rf8 23.Rf8+- Kf8 24.Ba3 c5 25.Rf1 Kg8 26.Bb4 cb4 27.Kh1 Ra4 28.Nc6 Qd7? 29.Qf4 Bf7?? 30.Qf6+- Ra2 31.e6 Qe6 32.Qd8 Kg7 33.Qc7?? Rc2-+ 34.Qe5 Qe5-/+ 35.Ne5 Be6 0–1. ejdrzej (1735) – sakkmat, kurnik, 2013.

8.Nbc3 Na5 9.Bb3 c6 10.f4 Nb3 11.ab3 Bd6 12.f5 g5 13.Qh5 Qf7 14.Qf3 Bc7 15.0-0-0 d6 16.d4 Nd7 17.h4 gh4 18.Rh4 Nb6 19.Rdh1 Bd7 20.de5 de5 21.Rh6 0-0-0 22.Qh5 Qh5 23.R1h5 Rdg8 24.g3 Bd8 25.Rh7 Rh7 26.Rh7 a6 27.Ba3 Na8 28.Be7 Nc7 29.Bd8 Kd8 30.Rf7 Ne8 31.Na4 (31.Kd2 b6=) 31...Rg7 (31...Nd6!? 32.Rf6 Ne4-/+) 32.Rf8 (32.Rg7 Ng7 33.Kd2 Kc7=) 32...Ke7 33.Rh8 Nd6 34.Nb6?? (better is 34.Rh4=) 34...Ne4-+ 35.Rb8 Bf5 (35...Ng3? 36.Ng3 Rg3 37.Rb7 Rg1 38.Kd2 Rg2 39.Kc3 Rg3 40.Kb2+-) 36.Rb7 Kf8 37.Rg7 Kg7 38.Nc4 Bg4 39.Ng1 Ng3 40.Na5 Bd7 41.Nb7 f5 42.Nc5 Bc8 43.Nf3 Kf6 44.Kd2 1–0. ejdrzej (1730) – sakkmat, kurnik, 2012.

8.Nbc3 Na5 9.Bd3 c6+=.

8.Nbc3 Bc3 9.Nc3 Nb4 10.0-0 c6 (10...Nc2? 11.Nd5 Qg7 12.Nc7 Kd8 13.Na8+-) 11.Bb3 d6 12.f4 Be6 13.Be6 Qe6 14.f5 gf5?? (better is 14...Qe7=) 15.ef5+- Qf7 16.Qb4 Qc7 (16...d5 17.Ba3+-) 17.Ne4 Ke7 18.d4 Na6 19.Qb3 Qd7 (19...d5 20.de5 fe5 21.f6 Kd7+-) 20.de5 de5 (20...fe5 21.Rad1 d5 22.Be5 Rhe8+-) 21.Rad1 Qc8 22.Nd6 Qd7 23.Qf7 Kd8 24.Nb7 (24.Nb7 Kc7 25.Rd7 Kb8 26.Nd6 Nc7 27.Qb3 Nb5 28.Rb7) 1–0. Heini – chessenemy, internet, 2016.

8.Nbc3 Rf8 9.Nd5+/- Qg7?? (better is 9...Qd6 10.Qh7 g5+/-) 10.f4 (better is 10.Nc7 Kd8 11.Na8+-) 10...Bd6 (10...d6 11.Rf1 f5 12.Ng3=) 11.0-0 b6? (11...g5 12.fg5 fg5 13.Rf8 Bf8 14.Qf2+/- (14.Nc7? Kd8 15.Qg3 Kc7-+)) 12.Rae1 (12.fe5!? Ne5 13.Nf6 Rf6 14.Rf6+-) 12...Bb7 13.d4 ed4 14.Nd4 Bc5 15.Kh1 (15.e5 Nd4 16.ef6 Ne6 17.Kh1+-) 15...Bd4 16.Bd4 Nd4 17.Nc7 Kd8 18.Na8 Ba8 19.c3 Ndc6 20.Bd5 Kc8 21.c4 Bb7 22.Qh3 Na6 23.Qa3 Kb8 (23...Qe7!? 24.Qc3 Nc5-/+) 24.Qd6= Nc7 25.h3 (better is 25.c5!?+=) 25...Qe7-/+ 26.Qe7 Ne7 27.Bb7 Kb7 28.e5 fe5 29.fe5 Nf5 30.g4 (30.g4 Ng3 31.Kg1 Rf1 32.Rf1 Nf1 33.Kf1-+). ejdrzej (1625) – dlugibolek, kurnik, 2013.

8.f4 Na5 9.Bb3 Nb3 10.ab3 Nc6 11.Nbc3 Bc5?? (better is 11...Bc3 12.Nc3 Nb4=) 12.Nd5+- Qe6?? (better is 12...Qd8 13.Nf6 Kf7 14.fe5 Nb4+-) 13.Nc7 Kf7 14.Ne6 de6 15.fe5 Nb4 16.0-0-0 Be7 17.ef6 Bc5 18.Qh6 Bf8 19.Qh4 Bd7?? 20.Nf4 Rc8 21.Bc3 Rc6 22.g4 e5 23.Ng6! Kg6 24.Qh5 Kf6 25.Be5 Ke7 26.Qg5 Ke8 27.Bh8 Rc2 28.Kb1 Rc5 29.Qe3 Be6 30.Rc1 Ra5 31.Rhf1 Bb3 32.Rc8 Kd7 33.Rfc1 Ba2 34.Kb2 Be6 35.R1c7 Kd6 36.Qd4 Nd5 37.Be5# 1–0. ejdrzej (1715) – marekskon (1715), kurnik, 2012.

8.f4 Na5 9.Bd3 d6 10.Nbc3+=.

8.f4 d6 9.0-0 Be6 10.Bb3 Bb3 11.ab3 0-0 12.Nbc3 Bc3 (12...f5 13.Qh3=+) 13.Nc3= Nd4?? (better 13...Nb4=) 14.Nd5+- Qd8 (14...Qg7 15.fe5 Nbc6 16.ed6+-) 15.fe5 fe5? (15...Ne2 16.Kh1 de5 17.Nf6 Rf6 18.Qf6 Qf6 19.Rf6 Nd7+-) 16.Rf8 Qf8 17.Bd4 ed4 (17...Nd7 18.Be3 Kh8+-) 18.Nf6 Kg7 (18...Qf6 19.Qf6 Nc6 20.Qe6 Kh8+-) 19.Qh7 Kf6 20.Rf1 Ke6 21.Rf8 (21.Rf8 Na6 22.Qf7 Ke5 23.Qe7) 1–0. Guestcello – Jvfz46, internet, 2019.

8.f4 d6 9.0-0 Be6 10.Be6 Qe6 11.f5 Qc4 (11...gf5 12.c3 Bc5 13.d4-/+) 12.fg6 (worse 12.Qf6 Rf8 13.Qe6 Qe6 14.fe6 Bc5 15.d4 ed4 16.Rf8 Kf8-+) 12...Qe2?? (12...Nd7 13.Nbc3 Nd4 14.Nd4 Qd4 15.Kh1 0-0-0= (15...Qd2?? 16.g7 0-0-0 17.gh8R Rh8 18.Nd5+-)) 13.Qf6+- Bc5 14.Kh1 Kd7? (better 14...Qf1 15.Qf1 Rf8+-) 15.Qf5 Kd8 16.Nc3 Ne7 (16...Qd2 17.Qf6 Ne7 18.Qh8 Kd7+-) 17.Qf6 (17.Ne2?! Nf5 18.ef5 hg6+-) 17...Nd7 (17...Qh5 18.Qh8 Kd7+-) 18.Qh8 (18.Ne2?! Nf6 19.g7 Rg8 20.Rf6 Kd7+-) 18...Nf8 19.Rf8 Kd7 20.Ra8 (20.Ra8 hg6 21.Ne2+-) 1–0. Jeell – nde309, internet, 2018.

8.f4 d6 9.Nbc3 Bc3 10.Nc3 f5 11.Qh6 Nb4 12.Rc1 fe4 13.a3 += (worse is 13.Ne4 d5 14.a3 Bf5-/+).

8.f4 ef4 9.Bf6 Qe4 (9...Qc5 10.Bh8 Qc4 11.Nbc3+-) 10.Bd3 (10.Bh8?! Qc4 11.Nbc3 Na6+-) 10...Bd2 (10...Qg2 11.Rg1 Qd5 12.Bh8 Qf7 13.Qf4 Qf4 14.Nf4 Bd6+-) 11.Nd2 Qe3 (11...Qe6 12.Bh8 Na6 13.Qh7+-) 12.Bh8 d6 (12...d5 13.Qh7 Bf5 14.Qg8 Kd7 15.Bf5 gf5 16.Qd5 Kc8 17.Nc4+-) 13.Qh7 Bf5 14.Nc4 (better 14.Bf5 gf5 15.Qc7+-) 14...Bd3 (14...Qe7 15.Qg8 Qf8 16.Qf8 Kf8 17.Nf4 Bd3 18.cd3 Kg8+-) 15.Ne3 Be2 16.Nd5 (16.Nd5 Nd7 17.Qg6 Kd8 18.Qg8 Nf8 19.Qf7 Nd7 20.Nf6 Nf6 21.Bf6 Ne7 22.Qe7 Kc8 23.Qe8) 1–0. Pierre – Novano, internet, 2020.

7.Ne2 Be7

8.Nbc3 d6 9.Nd5 Be6 10.Ne7 Qe7 11.Bb3 f5 12.Qe7 Ke7 13.ef5 gf5 14.0-0 Bb3 15.ab3 Nd7 16.d4 ed4 17.Nd4 Nd4 18.Bd4 Rhe8 19.f4 a6 20.c4 Nf6 21.Rae1 Kf7 22.Bf6 Kf6 23.Kf2 Kf7 24.h3 Re1 25.Re1 Re8 26.Rc1 Re4 27.Kf3 c6 28.g4 Kf6 29.g5 Kg6 30.b4 Kh5 31.b5 ab5 32.cb5 c5 33.Ra1 h6 34.gh6 Kh6 35.Ra7 d5 36.Rb7= Rb4 37.Rd7 Rb3 38.Kf2 d4 39.Rd5 Rb5 40.Rf5 Rb2 41.Kf3 c4 42.Ke4 d3-+ 43.Rd5 Re2?? 44.Kf3 Rh2 45.Kg3? Re2 46.Kg4?? d2 47.Rd6 Kg7 48.Kg5?? Rg2 49.Kf5 c3 50.Rd7 Kf8 51.Kf6 Ke8 52.Rd5 c2 53.Re5 Kd7 54.Rd5 Kc6 55.Rd8 c1Q 56.Rc8 Kb7 57.Re8 Qc3 58.Kf7 Rg7 59.Ke6 Rg6 60.Kf5 Qf6 61.Ke4 Qc6 62.Ke3 (62.Ke3 d1N 63.Kd2 Rd6 64.Ke1 Qh1 65.Ke2 Qg2 66.Ke1 Qf2). ejdrzej (1655) – olmitica, kurnik, 2013.

8.Nbc3 d6 9.Nd5 f5 10.Ne7 Qe7 11.Qh6 f4 (11...fe4 12.Nc3 Nb4 13.Rc1-/+) 12.0-0-0 (12.Nf4!? ef4 13.Bh8 Qe4 14.Be2 Qg2 15.0-0-0+/-) 12...Qf8 13.Qh4 Na5 14.Bb5 c6 15.Ba4 b5 16.Bb3 Nb3 17.ab3 Be6 18.d4 Nd7 19.d5 cd5 20.ed5 Bf5 21.g4 Be4 22.Rhg1 Rc8 23.Rd2 Kf7 (23...Nc5!? 24.Kd1-+) 24.Re1-/+ Qe7 25.g5? (better is 25.Qe7 Ke7 26.Nd4 Bd5 27.Nb5=) 25...Bf5 (better is 25...h6!? 26.Nc3 Bf5-+) 26.Nf4 1–0. ejdrzej (1715) – piticu13, kurnik, 2012.

8.f4 Na5 9.Bb3 Nb3 10.ab3 d6 11.0-0 Nc6 12.f5 0-0 13.fg6 hg6 14.Qh6 Qe8 15.Nbc3 Be6 16.Nd5 Bd5 17.ed5 Nd8 18.Rae1 Qf7 19.d4 Qg7 20.Qe3 Nf7 21.de5 de5 (worse is 21...Ne5 22.Nd4 Qh7 23.Ne6+=) 22.c4 b6 23.Kh1 Bc5 24.Qd2 Ng5 25.Ng3 Qh7 (better is 25...Bd6!?=) 26.Be5+/- fe5 27.Qg5 Bd4 28.Ne4 Kh8? (28...Kg7 29.Rf8 Rf8 30.Qe7 Rf7 31.Qf7 Kf7 32.Ng5 Kg7 33.Nh7 Kh7 34.h4+-) 29.h3 (29.Nf6!? Rf6 30.Qf6 Qg7+-) 29...Rf7? (better is 29...Qh5!?+-) 30.Nf6 Rf6 (30...Raf8 31.Rf3 Rf6 32.Rf6 Rf6 33.Qf6 Qg7 34.Qd8 Kh7 35.Rf1+-) 31.Qf6 Kg8 (31...Qg7+-) 32.Qe6 Kh8 33.Rf7 (33.Rf7 Qh6 34.Ref1+-) 1–0. ejdrzej (1630) – coltrane (1630), kurnik, 2013.

8.f4 f5 9.Qf2 fe4 10.fe5 Rf8 11.Qe3 d5 12.ed6 Qd6 13.Nbc3 (worse is 13.Qe4 Bf5 14.Qe3 Bc2-/+) 13...Bf5 14.0-0-0 Nd7 15.Nb5 (15.Ne4?! Be4 16.Qe4 0-0-0+=) 15...Qc5? (better is 15...Qb4!? 16.Nc7 Kd8 17.Na8 Qc4=) 16.Qc5 (16.Nc7 Kd8 17.Qc5 Nc5 18.Na8 Kd7+-) 16...Nc5 17.Nc7 Kd7 18.Na8 Ra8 19.h3 Na5 20.Bb3 Nab3 21.ab3 h5 22.Nd4 Ne6 23.Nf5 gf5 24.Rhg1 Bc5 25.Rgf1 Rf8 26.g4 hg4 27.hg4 fg4 28.Rf8 Nf8 29.Be5 Ng6 30.Bg3 Bd6 31.Bd6 Kd6 32.Rg1 Ne5 33.Kd1 Ke6 34.Ke2 Kf5 35.Ke3 Nf3 36.Rg3 a6 37.d3 ed3 38.cd3 Ne5 39.d4 Nf3 40.b4 Ng5 41.Rg1 Nf3 42.Rf1 b5 43.Rf2 Ke6 44.Ra2 Kd5 45.Ra6 Nd4= 46.Rg6 Nc2 47.Kd2 Nb4 48.Rg4 (48.Rg4 Kc5 49.Rg5 Kc4 50.Rb5 Kb5=) 1–0. ejdrzej – bluepiramid2 (1670), kurnik, 2013.

8.f4 f5 9.Qh6 d6 (9...Bf8 10.Qh3 fe4 11.Bd5-/+) 10.Nbc3 (10.Qg7!? Rf8 11.Qh7+/-) 10...Bf6 11.Nd5 Be6 12.ef5 Bf5 13.0-0-0 Nd7 14.fe5 Nce5 (14...Nde5?! 15.Rhf1 (worse is 15.Nf6 Qf6 16.Ng3 Bg4+=) 15...Rf8 16.Ng3=) 15.Nf6 Qf6 16.Bb3 0-0-0 17.Rhf1 Qe7 18.Nd4 Bg4 19.Rde1 Rhf8 20.Rf8?? (20.h3 Bf5=) 20...Rf8 (20...Nd3 21.cd3 Qe1 22.Kc2 Nf8 23.Nf3 Bf3 24.gf3-+) 21.h3?? (21.Qe3 Nc5 22.h3 Bd7=) 21...Bf5 (better is 21...Nd3! 22.cd3 Qe1 23.Kc2 Bd1 24.Kc3 Bb3 25.Nb3-+) 22.Nf5?? (22.Qe3 Qh4+=) 22...Rf5?? (better is 22...Nd3! 23.cd3 Qe1 24.Kc2 Rf5 (24...gf5?! 25.Be6 Rd8 26.Bf5-+) 25.Qh7 Rf2 26.Qg8 Nf8-+) 23.Qe3= Qg5 24.Qa7 Qg2?? 25.Qa8+- Nb8 26.Be6 Ned7 27.Bd7 Kd7-/+ 28.Qb8? Qf1?? 29.Qe8 1–0. ejdrzej (1620) – coltrane (1610), kurnik, 2013.

8.f4 d6

9.0-0 Na5 10.Bb3 Nb3 11.ab3 Nd7 12.Nbc3 0-0 (12...f5 13.Qf2 fe4 14.fe5=) 13.f5 (13.Nd5 c6 14.Ne7 Qe7=) 13...Kg7 (13...gf5 14.Rf5 Nb6 15.Qg3 Kh8 16.Rff1=+) 14.Nd5 c6 15.Ne7 Qe7 16.Nc3 g5 17.Qg4 Qf7 18.Ba3 c5 (18...Qe7 19.Rf3=) 19.h4 (19.Nb5 Nb6 20.Nd6 Qc7 21.Nc8 Rfc8+-) 19...h5 (19...a6 20.Nd5 Rg8 21.hg5+=) 20.Qe2 (20.Qg3 Kh7+-) 20...g4 (20...Nb6 21.hg5 fg5 22.Nb5+-) 21.Nb5+- Qe7 (21...Nb8!? 22.Nd6 Qc7+-) 22.Nc7+- Nb6 23.Na8 Na8 24.d3 Bd7 25.Qe3 Nc7 (25...Kg8+-) 26.Bc1 Rh8 27.Ra7 Bc6 28.c4 Qd8 (28...Qf7 29.Bd2+-) 29.Bd2 Na6 30.Ra1 Nb8 31.b4 cb4 32.Bb4 Qc7 33.Ra8 Nd7 (33...Rf8+-) 34.Rh8 Kh8 35.Qh6 Kg8 36.Ra8 (36.Qg6 Kh8 37.Ra8 Nb8 38.Qh5 Kg7 39.Qg6 Kh8 40.Qf6 Qg7 41.Qd8 Kh7 42.Qb8 Bd5 43.cd5 Kh6 44.Bd2 Kh7 45.Qe8 b5 46.Qh5 Qh6 47.Qh6) 36...Nb8 37.Qg6 Kf8 38.Qf6 Ke8 39.Bd6 Qb6 40.Kh2 Qd8 (40...g3 41.Kh3 Qc7 42.Rb8 Qb8 43.Qe7) 41.Qe6 Qe7 42.Qe7 1–0. Pereira – Ossla, internet, 2020.

9.0-0 Na5!? 10.Bb3 f5+=.

9.0-0 Nd7 10.f5 g5?? (better is 10...Nf8+=) 11.Qh5 (11.Qh5 Kf8 12.Qf7) 1–0. Janek – wazzabet, internet, 2017.

9.0-0 f5 10.Qg3 Na5 11.Bb3 Nb3 12.ab3 fe4 13.fe5+=.

9.Nbc3 f5!? 10.Qh6 Bf8-/+.

7.Ne2 f5

8.Qd8 Kd8 9.Bd5 d6-/+.

8.Qd8 Kd8 9.ef5 gf5 10.Nbc3 a6 11.0-0-0 (11.Nd5 d6-/+) 11...Bd6 (11...Na5 12.Bd5-/+) 12.f4 e4?? (better 12...b5 13.Bd5 Re8=+) 13.Ne4!+/- Re8? (13...fe4 14.Bf6 Double attack (14.Bh8 Discovered attack)) 14.Ng5+- b5 (14...Re7 15.Bf6+-) 15.Bf6 Re7 16.Bd5 Bb7 (16...Ra7 17.Rde1 Ke8 18.Bc6 (18.Be7?! Ne7 19.Nd4 h6+-) 18...Nc6 19.Be7 Ne7 20.Nh7+-) 17.Ng3 Kc8 18.Nf5 (18.Be7?! Ne7 19.Bb7 Kb7+-) 18...Bf4 (18...h6 19.Nd6 cd6 20.Be7 Ne7 21.Bb7 Kb7+-) 19.Be7 Bg5 (19...Nb4 20.Bb7 Kb7 21.Nh7+-) 20.Bg5 Nb4 (20...Na5 21.Ne7 Kd8+-) 21.Ne7 Kd8 22.Bb7 Ra7 23.Nd5 Ke8 24.Rhf1 Rb7 (24...Nd3 25.cd3 d6 26.Nc7 Kd7 27.Rf7) 25.Rde1 1-0. PEREIRA – Mossiey, internet, 2021.

8.Qd8 Kd8 9.ef5 gf5 10.f4 d6 11.fe5 Ne5 12.Bb3 Rf8 13.0-0 Nbc6 14.a3 Ba5 15.Kh1 Ke7 16.d4 Ng4 17.Nf4 Bd7 18.Nd5 Kd8 19.Nbc3? (better is 19.Rf4+=) 19...Nd4-+ 20.h3 Nh6 21.Rae1 Nb3 22.cb3 c6 23.Nf4 d5 24.b4 Bb6 25.Na4 Kc7?? (25...Re8 26.Re8 Ke8 27.Nb6 ab6 28.Nh5-/+) 26.Nc5?? (better is 26.Be5 Kd8 27.Bg7+/-) 26...Bc5 27.bc5 Rae8 (better is 27...Rfe8-+) 28.Bg7= (28.Bg7 Ng8 29.Bf8 Rf8 30.Kh2=). ejdrzej (1615) – dlugibolek, kurnik, 2013.

8.Qd8 Nd8?? 9.Be5+/- Rf8 10.ef5 (10.Bg7 fe4 11.a3 Be7 12.Bf8 Kf8+/-) 10...Ndc6 (better is 10...Rf5!? 11.f4 d6+=) 11.Bc7+/- Rf5 12.0-0 d5 13.Bb3 Be6 14.Nbc3 Kd7 15.Bg3 a6 (15...Na6 16.Nb5+/-) 16.a3 (16.Na4!? Ke7 17.Nb6 Ra7 18.Bb8 Nb8+-) 16...Bd6 17.d3 d4 18.Be6 Ke6 19.Ne4 Be5 20.Nc5 Kd5 21.Nb7 Nd7 22.Rab1 Rb8 23.Be5 Nde5 24.c4 dc3 25.Nc3 Kd4 26.Na4 Nd3+/- 27.Rfd1 Nce5? 28.Nac5 Rbf8?? 29.Nd3 Nd3 30.f3 Rb5 31.Rb5 ab5 32.Nd6 Rb8 33.Ne4 Ke3 34.h3 Ra8 35.Rb1 Ra3 36.Rb5 Ra1 37.Kh2 Nf4 38.Rb3 Kd4 39.Kg3 Nh5 40.Kg4 1–0. ejdrzej (1695) – ovid44 (1635), kurnik, 2013.

7.Nf3 Na5

8.Bd3 b6 9.a3 Bc5 10.0-0 Bb7 11.Qh6 Bf8 12.Qh4 Bg7 13.Be2 0-0 14.Nc3 Na6 15.Rfd1 (15.Nd5 Nc5+=) 15...Nc5-/+ 16.d4 ed4 17.Nd4 Re8 Will e4 fall? 18.f3 f5 19.Qd8 Rad8 (19...Red8?! 20.ef5 Bd4 21.Rd4 gf5 22.Nd5=) 20.ef5 gf5 21.Kf1 Re5 22.f4 Re3 23.Rab1 a6 24.Nf5 Rc3 25.Bc3 Bc3 26.Ne7 Kg7 27.Nd5 Ne4 28.Nc7 Nd2 29.Rd2 Bd2 30.g3 Rc8 31.Na6 Rc2 32.Nb4 Rc1 33.Rc1 Bc1 34.a4 Bd2 35.Nc2 Nb3 36.Bc4 (36.Na3 Nc5 37.Nc4 Ba5-+) 36...Nc5 37.Ke2 Bc3 38.Ne3 Na4 39.Nf5 Kf6 40.Nd6 Bc6 41.Kf1 (41.g4 Bb4 42.g5 Kg6 43.Bd3 Kh5-+) 41...Bb4 42.Ne8 Ke7 43.Nc7 Nc3 44.Na6 Ba5 45.Nb8 Be4 46.h4 (46.Ke1-+) 46...d5 47.Nc6 Kd6 48.Na5 ba5 49.Ba6 (49.Bb3-+) 49...a4 50.Bc8 a3 51.f5 a2 52.Kf2 (52.Kg1 a1Q 53.Kf2 Qb2 54.Ke3 Ke5 55.f6 d4) 52...a1Q 53.g4 (53.Bb7 Qb2 54.Ke3 Ke5 55.Bd5 Nd5) 53...Qb2 54.Kg3 h6 55.Ba6 (55.g5 Qg2 56.Kf4 Qf3) 55...Qg2 56.Kf4 Qf3 0–1. Betsy516 – SOS031199, computer chess game, 2001.

8.Bd3 d6 A) 9.Nc3 A1) 9...c6 10.a3 Bc5 11.Na4 Nd7 12.Qh6 Kf7 13.Be2 b5+=; A2) 9...Nbc6 10.Nd5 0-0 11.0-0 Be6 12.c3 Bc5 13.Be2 Bd5+=; A3) 9...h5 10.Qg3 (10.Nd5 g5 11.Qg3 Bc5 12.Bc3 Nac6 13.h3 Nd4-/+) 10...g5 11.h4 g4 12.Nh2 Be6 13.0-0 Nd7-/+; A4) 9...Nd7 10.0-0 c6 11.a3 Bc5 12.Be2 Nb6 13.Qh6 Qe7-/+; B) 9.Be2 B1) 9...Be6 10.c3 Bc5 11.d4 Bb6 12.d5 Bf7 13.c4 c6+=; B2) 9...Nbc6 10.c3 Bc5 11.d4 ed4 12.cd4 Bb4 13.Nfd2 d5+=; B3) 9...Nac6 10.Qh6 (10.c3 Ba5 11.0-0 h5 12.Qg3 g5 13.Ne1 Bb6-/+) 10...Qe7 11.Nc3 Bc3 12.Bc3 Nd7 13.Bb5 Nc5+=; B4) 9...f5 10.Qd8 (10.c3 Qh4 11.Nh4 Bc5 12.d4 Bb6 13.ef5 gf5-/+) 10...Kd8 11.Ng5 Ke8 12.a3 Bc5 13.Nc3 h6-/+.

8.Be2 d5 9.ed5+= Be7 (9...Bc5 10.d4 ed4 11.Nd4 Qd5 12.Qf6=) 10.Qa4 c6 11.Bc3 b6 12.Ba5 ba5 13.dc6 0-0?? (13...Qd6 14.c7 Nc6 15.Nc3+/-) 14.Nc3 (better is 14.c7 Qd6 15.cb8B Rb8 16.Nc3+-) 14...Be6 15.0-0 (15.Bc4!? Bf7 16.Nd5 Bd6+/-) 15...Qc7 (15...Bb4 16.Nd1 Qc7 17.a3+=) 16.Bc4+/-.

8.Be2 Be7!?+=.

8.Bd3 0-0

9.0-0 A) 9...Nbc6 10.Nc3 (10.a3 Be7 11.Qg3 d6 12.Nc3 f5 13.ef5 Bf5+=) 10...d6 11.Nd5 Bc5 12.Be2 Bd7 13.c3 a6=; B) 9...Bc5 10.Be2 (10.Nc3 Nbc6 11.Be2 Nd4 12.Nd4 Bd4 13.Rab1 c6-/+) 10...Nbc6 11.Nc3 Nd4 12.Nd4 Bd4 13.Rab1 c6-/+.

9.Nc3 Bc3 10.Bc3 Nbc6 11.0-0 d6 12.Rfb1 Be6 13.Bb5 b6 14.Be2 (14.d4 ed4 15.Nd4 Nd4 16.Bd4 a6+=) 14...Nc4 15.a3 f5?? (better is 15...d5+=) 16.Ng5+/- Qe7 17.ef5 Na3 18.Ra3 Rf5 19.Bg4 Qg5? (19...Rg5 20.Be6 Kg7+-) 20.Qg5 Rg5 21.Be6 Kh8 22.Bd5 Rf8 23.Bc6 a5 24.d4 ed4 25.Bd4 Kg8 26.h4 (26.Bd7 h6+-) 26...Rh5 27.Bf3 Rhf5 28.Bg4 Rf4 29.Be6 R8f7 30.h5 Rd4 31.Rf3 Re4 32.Bf7 Kg7 33.hg6 hg6 34.Bd5 Re7 35.g4 (35.Kf1 g5+-) 35...g5 36.c4 Kg6 37.Rfb3 (37.Kg2 Kg7+-) 37...Kf6 38.Rh3 Kg6 39.Kg2 Kf6 40.Rh6 Kg7 41.Rbh1 a4 (41...c6 42.Rh7 Kf8 43.Rh8 Kg7 44.R1h7 Kf6 45.Rf8 Ke5 46.Re7 Kd4 47.Re4 Kc3 48.Rf3 Kb4 49.Bc6 Kc5+-) 42.Rh7 Kf8 43.Rh8 Kg7 44.R1h6 Re1 (44...c6 45.R8h7 Kf8 46.Rf6 Ke8 47.Bc6 Kd8 48.Rf8 Kc7 49.Re7 Kc6 50.Rc8) 45.R8h7 Kf8 46.Rg6 Re6 (46...Rg1 47.Kg1 b5 48.Rg8) 47.Be6 d5 (47...b5 48.Rg8) 48.Rg8 1–0. Betsy516 – LarsenVB004, computer chess game, 2001.

9.Nc3 Bc5 10.Rb1 (10.Be2 Nbc6 11.0-0 Nd4 12.Nd4 Bd4 13.Rab1 d6-/+; 10.0-0 Nbc6 11.Be2 Nd4 12.Nd4 Bd4 13.Rab1 c6-/+) 10...Nbc6 11.Nd5 d6 12.0-0 Be6 13.Be2 Rf7+=.

9.Nc3 c6 10.0-0 Na6 (10...Bc5 11.Qg3+= b5 12.Be2 d6 13.Nd1 Qe7+=) 11.a3 (11.Ba6 ba6 12.Rfb1 Nc4+= 13.a3 Ba5-/+) 11...Be7+= 12.Qh6 (12.Qg3 Nc5 13.Be2 d5+=) 12...Nc5 13.Be2 Ne6 (13...d5+=) 14.g3 (14.Rfb1!?+=) 14...d5-+ 15.ed5 cd5 16.d3 Nc6 Black prepares d4 17.Nd1 (17.Rfe1 Ned4 18.Nd4 Nd4-+ (18...ed4?! 19.Na2-/+)) 17...d4 18.Rb1 f5 19.Re1? (better is 19.c3-+) 19...e4 20.de4 fe4 21.Bc4 Rf3 (21...ef3?! 22.Be6 Be6 23.Re6-+) 22.Re4 Qd6 23.Qh3 (23.Qd2 Ne5 24.Be2 Rf5-+) 23...Rf6 24.f4 Kg7 25.Qg2 Nc5 26.Nf2 Be6 27.Be6 Re6 (27...Ne6 28.c3 Rf5 29.cd4-+) 28.Re6 Qe6 29.Qf1 Qa2 30.Qd1 Rd8 31.Nd3 Na4 32.Qe1 Re8 (worse is 32...Nb2 33.Rb2 Qa3 34.Rb7-+) 33.Ra1 Qc4 34.Ne5 (34.Qb1 b5-+) 34...Qc5 (34...Nb2?! 35.Nc4 Nc4 36.Qe6-/+) 35.Nc6 bc6 (35...Qc6?! 36.Bd4 Bf6 37.Bf6 Kf6 38.Qb4-+) 36.Bc1 d3 37.Be3 dc2 38.Rc1 Bd6 39.Kf2 Nb2 40.Bc5 Nd3 41.Kf1 Re1 (41...Ne1?! 42.Bd6 Kf7 43.Bc5=) 42.Re1 Bc5 (42...Bc5 43.Ke2 Ne1 44.Kd2 Ba3 45.Ke3 c1Q 46.Kf2 Qd2 47.Kf1 Bc5 48.f5 Qf2; 42...Nc5?! 43.Rc1-+) 0–1. halilgulsen (2335) – pcmvr (2780), net–chess.com, 2008.

9.Nc3 Nbc6 10.Nd5 (10.0-0 d6 11.a3 Bc3 12.Bc3 Be6 13.Rfb1 a6+=) 10...Bc5 11.0-0 d6 12.Be2 Bd7 13.c3 a6=.

9.Nc3 d6 10.a3 Bc3 11.Bc3 Nbc6 12.Rb1 Be6 13.Bb5 b6+=.

9.Nc3 Be7 10.Nd5 d6 11.Be2 Nbc6 12.d4 Nb4 13.Nb4 f5+=.

9.Nc3 g5 10.Qg3= Na6 (better is 10...d6!?=) 11.h4+/- Nc5? (better is 11...h6+/-) 12.hg5+- fg5 13.Ng5 (13.Qe5 Nd3 14.cd3 Nc6 15.Qd5 Kg7 16.Ng5 d6 17.Rh7 Kg6+-; 13.Ne5 Rf4 14.Rh5 h6 15.Rh6 Ne6+-) 13...Nd3 14.cd3 Qf6 15.Nh7 Qg7 16.Qg7 Kg7 17.Nb5 Rf7 (17...Rg8 18.Nc7 Rb8 19.Nd5+-) 18.Nc7 (18.Be5?! Kg6 19.Nc7 d6 20.Bd6 Bd6 21.Na8 Nc6+-) 18...Rb8 (18...Kg6 19.Na8 (19.Be5?! d6 20.Bd6 Bd6 21.Na8 Nc6+-) 19...Nc6 20.Rc1 Rh7 21.Rh7 Kh7 22.Be5 Ne5 23.Rc8 Nd3 24.Ke2 Nf4 25.Kf3+-) 19.Be5 Kg6 20.Nd5 d6 21.Nf4 (21.Nb4?! de5 22.Rc1 Rh7 23.Rh7 Kh7+/-) 21...Rf4 22.Bf4 Kg7 (22...Nc6 23.Be3+-) 23.d4 Nc6 (23...Nc4 24.Ke2+-) 24.d5 (better is 24.a3 Nd4 25.ab4 Nc2 26.Kd1 Na1 27.Bd6 Bg4 28.f3 Re8 29.fg4 Nb3+-) 24...Ne5 25.Ke2 Bd7 26.Rab1 Bc5 27.Ng5 Kg8 (27...b5 28.Rh7 Kf6 29.Rh6 Ng6 30.Rbh1+-) 28.Rh7 Rf8 (28...Ng6 29.Be3 Nf8+-) 29.Be5 Rf2 30.Kd3 de5 31.Rd7 b6 32.Ne6 Rg2 33.Nc5 Rg3 34.Kc2 Ra3 35.Rg1 Kh8 36.Ne6 Ra2 37.Kb1 Ra1 38.Ka1 a5 (38...a6 39.Rh1 Kg8 40.Rg7) 39.Rh1 Kg8 40.Rg7 1–0. Betsy516 – DChess102, computer chess game, 2001.

9.Be2 Nbc6 10.Nc3 Bc3 11.Bc3 d5 12.ed5 Qd5 13.Bd3 Be6-/+.

8.Be2 0-0

9.0-0 Nbc6 A) 10.Rd1 Bc5 (10...Be7 11.Qh6 d5 12.d4 de4 13.de5 Qe8 14.ef6+=) 11.d4 ed4 12.Nd4 Bd4 13.Bd4 Nd4 14.Rd4+=; B) 10.Nc3 Bc5 (10...d6 11.Nd5 Bc5 12.c3 Bb6 13.d4 f5 14.Ng5=; 10...Bc3 11.Bc3 d5 12.ed5 Qd5 13.Rfb1 a6 14.Bd3=; 10...Rb8 11.Nd5 Bc5 12.c3 b5 13.d4 Nc4 14.dc5=) 11.Rfb1 Nd4 12.Nd4 Bd4 13.Nd5 Bb2 14.Rb2+=.

9.0-0 Be7 10.Qg3 (10.Nc3) 10...d5 (10...d6 11.Nh4 Kh8 12.Qe3 Qe8 13.f4 Nbc6 14.f5=) 11.ed5 Qd5 12.d4 ed4 13.Nd4 Bd6 14.Qh4+=.

9.0-0 f5 10.Qd8+= Rd8 11.ef5 e4 12.Nd4 gf5 13.Nf5 d5 14.Nh6 Kf8 15.f3 (15.a3 Bc5 16.Be5 Rd7=) 15...Bc5= 16.Kh1 e3 17.de3 (17.Ng4 ed2 18.Nd2 Bf5+=) 17...Be3 18.Ng4 Bg4 (18...d4 19.Nf6=) 19.fg4 Kg8 20.Na3 (20.Nc3 d4 21.Ne4 Nbc6=) 20...Nbc6 (20...c5 21.Bf6 Rf8 22.Nb5+=) 21.Rae1 Rd7 (21...Bd4 22.Bd4 Nd4 23.Bd3=) 22.Bd3 White gets in control 22...Re8 23.Bf6 (23.Rf3 Rde7=) 23...Nb4 24.Bf5 Rf7 25.g5 (25.Bg5 d4 26.c3 Nd5 (26...Na2? 27.cd4 Bg5 28.Re8 Kg7 29.Rg8 Kg8 30.Be6+-) 27.cd4 Rff8+/-) 25...c5 (25...Na2? 26.Rf3 d4 27.Bd4+-) 26.c3 Nbc6 (26...Na2 27.Rf3 Nc3 28.Rfe3+-) 27.Bg4 d4 28.Bh5 Rff8? (better is 28...Ref8+/-) 29.Be8+- Re8 30.Nc2 Nc4 (30...Ne5 31.Ne3 de3 32.Re3+-) 31.cd4 (31.Ne3?! de3 32.Re2 Re6+/-) 31...cd4 32.Nd4! Nd4 (32...Bd4 Exploits the pin 33.Re8) 33.Bd4 Re4 (33...Re7 34.Be3 Re3 35.Re3 Ne3 36.Re1+-) 34.Ba7! b6 (34...Ba7 A pinning theme 35.Re4) 35.Rf6 Rg4 (35...Re5 36.Bb6 Bg5 37.Re5 Bf6 38.Rb5+-) 36.Rc6 Bc5 37.Bb6 Bb6 38.h3 Rg5 39.Rc4 Rf5 40.a4 h5 (40...Kf7 41.Rce4+-) 41.Rb1 Be3 42.Rc7 (better is 42.g4 hg4 43.hg4 Rf7+-) 42...Bf4 (42...h4 43.Rb8 Rf8 44.Rf8 Kf8 45.a5+-) 43.Rb8 Rf8 44.Rf8 Kf8 45.Rh7 Bd2 46.Rh5 (46.Rh5 Kg7 47.a5+-) 1–0. Van Rooijen,Peter (1800) – Gee III,Gordon L, IECC, 2000.

9.a3 Bc5 A) 10.d4 ed4 11.Nd4 d5 12.ed5 Qd5 13.Nf3 Qf5 14.Nbd2-/+; B) 10.0-0 Nbc6 (10...d6 11.Nc3 Bd7 12.Rab1 a6 13.Nd5 Nbc6 14.c3+=) 11.Nc3 Nd4 12.Nd4 Bd4 13.Rab1 d6 14.Nd5-/+; C) 10.Nc3 Nbc6 (10...c6 11.Rd1 b5 12.d4 ed4 13.Nd4 Qe7 14.Qg3+=) 11.0-0 Nd4 12.Nd4 Bd4 13.Rab1 c6 14.Kh1+=.

9.a3 Be7 10.0-0 (10.Nc3 f5 11.Qh6 d6+= 12.h4 Rf7 13.h5 g5 14.Nd5-/+; 10.Qg3 d6 (10...d5 11.ed5 Bf5 12.d3 Kg7 13.Nc3 c6 14.dc6=) 11.Nc3 f5 12.ef5 Bf5 13.Nd5 Nbc6 14.d3-/+) 10...c6 (10...f5 11.Qh6 d6 12.Qe3 Nbc6 13.Nc3 Bf6 14.ef5-/+; 10...d6 11.Qh6 f5 12.Nc3 Nbc6 13.Qe3 fe4 14.Qe4-/+) 11.Bc3 (11.Re1 d6 12.Qg3 f5 13.ef5 Bf5 14.d3-/+) 11...d5 (11...f5 12.Qh6 d6 13.d3 Be6 14.Qd2+=) 12.ed5 (12.Re1 d4 13.Bb4 b5+= (13...Bd6 14.Ra2-/+) 14.Be7-/+) 12...cd5-/+ 13.Ba5 (13.Bb4 Nbc6 14.Be7-/+) 13...Qa5 14.Ra2 (14.Nc3 d4 15.Ne4 Bf5-/+) 14...Nc6-+ 15.d3 (15.Kh1 e4 16.Ng1 f5-+) 15...Kg7 16.Ra1 (better is 16.Nfd2-+) 16...f5 Black intends e4 17.Qh3 f4 18.g4 e4 19.de4 de4 20.Nfd2 f3 21.Bc4 (21.Nf3 ef3 22.Bf3-+) 21...Rf4 22.Kh1 Rg4 23.Qg4 Bg4 24.Ne4 Bh3 25.Rd1 Bd6! 26.Nd6 Theme: Deflection from g5 (26.Rd6 Qe1) 26...Qg5 27.Nf5 (27.Ne8 Kh8 28.Bf1 Bf1 29.Rf1 Qg2) 27...gf5 28.Rd7 (28.Bf1 Bf1 29.Rd7 Kf8 30.Rf7 Kf7 31.Nd2 Qg2) 28...Kh8 29.Bf1 Bf1 (29...Bf1 30.Rh7 Kh7 31.Nd2 Qg2) 0–1. redrook (2525) – pcmvr (2780), net–chess.com, 2008.

9.Nc3 A) 9...Bc5 10.0-0 (10.Rb1; 10.Rd1; 10.Na4) 10...Nbc6 11.Nd5 d6 12.c3 Ne7 13.Nf6 Kg7 14.Ng5+=; B) 9...d6 10.Nd5 (10.a3 Bc5 11.Na4 Nd7 12.Rb1 a6 13.0-0 b5 14.Nc5+=) 10...Bc5 11.d4 ed4 12.Nd4 c6 13.Nc6 Nac6 14.Nf6+=; C) 9...Nbc6 10.Nd5 Be7 (10...Rb8 11.c3 Be7 12.d4 ed4 13.Nd4 d6 14.Bc1+=) 11.0-0 d6 12.Bc3 Rf7 13.Ne7 Qe7 14.Qg3+=.

8.Be2 Nbc6

9.0-0 h5 10.Qg3 g5 11.a3 Bc5 12.h3 d5 13.ed5 h4 14.Qh2 Qd5 15.Nc3 Qg8 16.Ne4 Be7 17.Ne5 fe5-+.

9.0-0 h6 10.d4 ed4 11.Nd4 Ne5 12.Bc3 Bc3 13.Nc3 h5 (13...Nac6 14.Nc6 dc6 15.Rad1=) 14.Nd5 0-0? (better is 14...g5 15.Qh3 c6+=) 15.f4+-.

9.c3 Be7 10.Qh6 Bf8 11.Qe3 d5-/+.

7.Nf3 d6

8.0-0 Bc5 9.Nc3 Nd7 (9...Na5 10.Be2 h5 11.Qg3 g5 12.Nh4 c6 13.Na4 Be6+=) 10.Nd5 a6 11.Rab1 h5 12.Qg3 g5 13.Ne1 b5-/+.

8.0-0 Qe7 9.a3 Ba5 10.Nc3 Bc3 11.Bc3 (worse is 11.dc3 Be6 12.Bd5 Nd7-/+) 11...Be6 12.Be2 Nd7 13.d4 ed4 14.Nd4 (14.Bd4? g5 15.Qh5 Bf7-+) 14...Nd4 15.Bd4 0-0 16.Rab1 b6 17.Bb5 Ne5 (17...Nc5 18.Rfe1=) 18.f4+= Nc4 (better is 18...c6 19.Ba6 Nc4+=) 19.f5+- Na3 (19...c6 20.Bc6 Rac8+/-) 20.fe6 Nb1 21.Rb1 Qe6 22.Bc6 (22.Bc6 Kg7 23.Bd5+/-) 1–0. usingprogram (2000) – lubomir99, kurnik, 2011.

8.0-0 f5 9.Qd8 Kd8 10.a3 (10.Ng5 Ke8 11.c3 Bc5 12.ef5 Bf5 13.Bd5 h6-/+) 10...Ba5 11.Re1 Bd7 12.Nc3 h6 13.Nh4 Ne7-/+.

8.0-0 f5 9.Qd8 Nd8 10.a3 Ba5 (< 10...fe4 11.Ne5 de5 12.Be5+/-) 11.ef5 Bf5 12.d4 (12.Re1!? Nf7 13.Be5 de5 14.Ne5=) 12...e4=+.

8.0-0 f5 9.Qd8 Nd8 10.ef5 Bf5 11.Re1 Nf7 12.c3 Ba5 13.d4 Nd7=.

8.0-0 h5 9.Qg3 (9.a3 g5 10.Qg3 Bc5 11.Ne1 Na5 12.Bd5 c6 13.Ba2 h4-/+) 9...g5 10.h4 (10.a3 Bc5 11.Ne1 Na5 12.Bd5 h4 13.Qd3 c6-/+; 10.Ne1 Bc5 11.Nd3 Bd4 12.Nc3 Na5 13.Bd5 c6-/+) 10...g4 (10...Bg4 11.hg5 fg5 12.d4 Rf8 13.Nh2 Bc8+=) 11.Ne1 f5 12.a3 (12.Nd3 fe4 13.Nb4 Nb4-/+) 12...f4 (12...Bc5 13.ef5 Bf5-/+) 13.Qb3 Bc5 14.Bf7 Kf8 15.Bg6 (15.Nd3 Qh4 16.Nf4 ef4 17.Bh8-+) 15...Qf6-+ 16.Bf5 Bf5 17.ef5? (17.Qb7 Qh4 18.d4 Nd4 19.Bd4 Bd4 20.Qa8-+) 17...Qh4 (17...Qf5 18.Qb7 g3 19.d4 Nd4 20.Qa8+/-) 18.Be5 (18.Nf3 gf3 19.Qf3-+) 18...Ne5 19.Qb7 g3 20.Qc8 Kg7 21.f6 Kg6 22.Qh3 gf2 23.Kh1 fe1Q (23...fe1Q 24.Nc3 Qeg3 25.Rg1 Kh7 26.Rgf1 Qhh3 27.gh3 Qh3; 23...fe1N?! 24.Qh4 Nc2 25.Qf4 Na1 26.Qe4 Kg5 27.Qa8+=; 23...fe1B 24.Qh4 Bh4 25.Nc3-+) 0–1. halilgulsen (2335) – pierred (2645), net–chess.com, 2008.

8.c3 Bc5 9.d4 Na5 10.Bb5 c6=+.

8.c3 Bc5 9.d4 Na5 10.Bd3 Bb6=.

8.c3 Ba5

9.0-0 f5 10.Qd8 Kd8 (10...Nd8 11.ef5 Bf5 12.Re1 Ndc6 13.d4 Nd7 14.Nbd2+=) 11.d3 fe4 12.de4 Nd7 13.Ng5 Ke7 14.Bc1-/+.

9.d3 Qe7 (9...h5 10.Qg3 g5 11.h4 g4 12.0-0 Rf8 13.Bc1 Bb6 14.Ne1-/+) 10.0-0 (10.Nbd2 h5 11.Qg3 g5 12.h3 Nd7 13.Nb3 Bb6 14.Bd5+=) 10...Be6 (10...h5 11.Qg3 g5 12.h4 gh4 13.Qg6 Kd8 14.Nh4-/+; 10...f5 11.Qe7 Ke7 12.ef5 Bf5 13.Bc1 a6 14.Bg5-/+; 10...Nd7 11.Nbd2 h5 12.Qg3 g5 13.Ne1 Nc5 14.Nb3+=) 11.Be6 Qe6 12.d4 d5 (better is 12...Ne7!?+= 13.Nbd2 Nd7 14.d5+=; 12...Qf7 13.Nbd2 f5 14.ef5+=) 13.ed5 Qd5 14.Qf6 Rf8 15.Qh4 Nd7 16.Nbd2 Rf4 17.Qh3 (17.Qh7 0-0-0 18.Qh6 Qf7+=) 17...0-0-0 (17...ed4 18.Qh6 Rf5 19.Rfe1 Nde5 20.Nd4 Nd4 21.cd4 0-0-0 22.Re5 Re5 23.de5 Qd2 24.Qh3 Kb8-/+) 18.c4+/- (worse is 18.Qh7 ed4 19.Qh6 g5+=) 18...Qf7 19.d5 (19.de5 Bd2 20.Nd2 Qf5 21.Qf5 Rf5+/- (worse is 21...gf5 22.g3 Rg4 23.h3+/-)) 19...Nd4 (19...Bd2 20.dc6 Rf3 21.cd7 Rd7 22.Qf3 Qf3 23.gf3 b6+-) 20.Nd4 ed4 21.Nb3 Bc3 22.Bc3 dc3 23.Qc3 Rf8 24.f3 g5 25.Rae1 g4 26.Nd2 gf3 27.Rf3 Rf3 28.Nf3 (28.gf3?! Qg6 29.Kf1 Rg8+=) 28...Nf6 (28...Nb6 29.Qa3 a6 30.Re7+/-) 29.Ng5 Qg6 30.Ne6 Rg8 31.g3 h5? (better is 31...Kb8+-) 32.Qa5 Ne8 (32...Qh7 33.Qa7 Nd7 34.Qa8 Nb8+-) 33.Qa7 h4 34.Qa8 (34.Qa8 Kd7 35.Qd8) 1–0. pierred (2645) – hockhin (2355), net–chess.com, 2008.

7.Nf3 h5

8.0-0?? g5-+.

8.Bd5 g5 9.Qg3 h4 10.Qh3 d6 (10...Ne7 11.Nc3 c6 12.Bb3 Na6 13.0-0 Nc5) 11.Be6 Ke7 (11...Na6 12.Qf5 Be6 13.Qe6 Qe7) 12.Bc8 (12.Bf5 Bf5 13.Qf5 Qc8) 12...Qc8 13.Qc8 Rc8.

8.h3 Na6 A) 9.0-0 g5 (9...Nc5 10.Qg3 g5 11.Qh2 Ne4 12.Bd5 Nd6 13.a3 Bc5) 10.Qg3 Nc5 11.Bd5 h4 12.Qh2 Ne7 13.Bc3 a5; B) 9.Qg3 g5 10.a3 Ba5 11.Nc3 Nc5 12.Bd5 d6 13.0-0 g4; C) 9.Bd5 g5 (9...Nc5 10.a3 g5 11.Qg3 h4 12.Qh2 Ba5 13.Nc3 Ne7) 10.Qg3 h4 11.Qh2 Bc5 12.0-0 d6 13.Nc3 Nab4.

8.h3 g5 9.Qg3 h4 10.Qh2 Na6 11.Ba6 ba6 12.0-0 d5 13.a3 g4.

8.Qg3 g5

9.h3 Na6 10.a3 (10.Nc3 Nc5 11.Bd5 d6 12.a3 Bc3 13.Bc3 Ne7) 10...h4 (10...Ba5 11.Bd5 h4 12.Qh2 Nc5 13.Nc3 Ne7) 11.Qh2 Ba5 12.0-0 (12.Nc3 Nc5 13.Bd5 Ne7) 12...Nc5 13.Nc3 (13.Bc3 b6) 13...Bc3.

9.h3 Bc5 10.Nc3 d6 11.Na4 h4+=.

9.h3 h4 10.Qh2 Na6 11.0-0 Nc5 12.Re1 Na4 13.Bc3 Qe7.

9.h4 g4 10.Ne5 fe5 11.Be5 Rh7 12.Bc7 Qe7 13.Bd5 Nd4 (13...d6 14.Bb8 Rb8 15.c3-/+) 14.Kd1 Nbc6 (14...Na6 15.Bf4 Ne6 16.c3 Nf4 17.Qf4-/+) 15.c3 d6 16.a3 Ne6 (16...Qc7 17.Bc6 Nc6 18.ab4-/+) 17.Bd8 Ned8 18.ab4 Be6 19.d4 Nb8 20.Na3 Nf7 (20...Na6 21.Re1 Nc7 22.Nc4=) 21.Nb5= Rh6 22.Ra7 (22.Na7 Bd5 23.ed5 Qd7 24.Re1 Kf8+=) 22...Ra7 23.Na7 Qd7 24.b5 Qc7 25.Rf1? (better is 25.Re1+=) 25...Qa5-+ 26.Be6 Re6 27.d5 Qa4 (worse is 27...Re4 28.Qd3 Qa1 29.Kd2 Qa2 30.Kd1-+) 28.Kd2 Qa2 (worse is 28...Re4 29.Qd3 Ne5 30.Qb1-+) 29.Kd1 Re4 30.Qd3 Re5 31.c4 Qa7 32.f4 gf3! 33.Rf3 (33.Qf3 Qd4 Double attack; 33.Rf3 Qa1 Pinning; 33.gf3 Nd7 Combination) 33...Nd7 34.g3 Qa4 35.Kd2 Nc5 36.Qa3 Qc4 37.Re3 Qd5 38.Ke2 Nb3 39.Qa8 Kd7 40.Re5 Ne5 41.Qf8 Nd4 42.Kd1 Qb3 43.Ke1 Qb1 44.Kf2 Ng4 45.Kg2 Qc2 46.Kf1 (46.Kg1 Qh2 47.Kf1 Qh1) 46...Ne3 47.Kg1 (47.Ke1 Qe2) 47...Qg2 0–1. Betsy516 – Arasan54, computer chess game (LAPTOP), 2001.

7.f4 Na5

8.Bb3 Nb3 9.ab3 d6 10.Nc3 Be6 11.Nf3 Na6 12.Nd5 Bd5 13.ed5 Rb8 14.Ra4 Qe7 15.0-0 Kd8 16.Re1 g5=.

8.Bb3 Nb3 9.cb3 Nc6 10.Nf3 d6 11.Nc3 Be6 12.0-0 f5 13.Qh6 Bc3 14.Bc3 fe4 15.Ng5 Qe7 16.Rae1 Bf5=+.

8.Bb5 c6 9.Bd3 d6 10.Nf3 Bc5 11.Qh6 Be6 12.f5 gf5 13.Ng5 Qe7 14.Ne6 Qe6 15.Bc3 Bd4 16.Bd4 ed4=+.

8.Bb5 c6 9.Be2 d6 10.Nf3 Nd7 11.f5 gf5 12.Qh5 Ke7 13.ef5 Qg8 14.Bc3 Bc3 15.Nc3 d5 16.g4 Qf7-/+.

8.Bb5 c6 9.Be2 d6 10.Nf3 Nd7 11.Qh6 Qe7 12.Nc3 Nb6 13.Rb1-/+.

8.Bb5 c6 9.Bf1 Be7 10.Qh6 Bf8 11.Qh4 d6 12.Bc3 ef4 13.Qf4 Be7 14.Nf3 0-0 15.Be2 f5 16.e5 de5=+.

8.Bb5 Nbc6 9.a3 Bc5 10.Nf3 d6 11.Nc3 a6 12.Be2 Nd4 13.Nd4 Bd4 14.Qh6 Be6 15.Qg7 Rg8 16.Qh7 Qd7=+.

8.Bb5 Nbc6 9.fe5 Ne5 10.Be2 Be7 11.Nf3 Nac4 12.Bd4 d5 13.ed5 Qd5 14.Nc3 Nf3 15.Bf3 Qe6 16.Kd1 Ne5=+.

8.Bb5 Nbc6 9.Nf3 d6 10.c3 Bc5 11.d4 ed4 12.cd4 Bb4 13.Nbd2 0-0 14.d5 Nb8 15.f5 gf5 16.ef5 Qe7=.

8.Bb5 Nbc6 9.f5 gf5 10.ef5 a6 11.Be2 d5 12.Qh5 Ke7 13.g4 Bc5 14.Nf3 d4 15.g5 Qf8 16.Rf1 Bf5-/+.

8.Bd3 Nbc6 9.a3 Bc5 10.Nc3 h5 11.Nf3 Nd4 12.Qg3 Nf3 13.Qf3 d6 14.Na4 Bd4 15.Bd4 ed4 16.e5 de5=.

8.Bd3 Nbc6 9.Nc3 0-0 10.Nf3 d6 11.a3 Bc5 12.Na4 Bd4 13.c3 Bb6 14.Nb6 ab6 15.0-0 Be6 16.f5 g5=+.

8.Bd5 c6 9.Bb3 Nb3 10.ab3 0-0 11.fe5 fe5 12.Qd8 Rd8 13.Be5 Re8 14.Bb8 Re4 15.Kd1 Rb8 16.Ra7 d5 17.h3 Bc5 18.Ra1 d4 19.Nf3 Bd7 20.d3 Re3 21.Nbd2 Bb4 22.Nc4 (22.Ne4 Bf5 23.Ra4 Be4 24.de4 b5 25.Rb4 c5-/+) 22...Re7+= 23.Ra7 Bc3 (23...Bc5!? 24.Ra5 b6+=) 24.Nd6 Be8 25.Ne4 Bb4 26.Ra2 (26.Rf1!?=) 26...Rd8 27.Rf1 c5 28.Nf6 Kg7 29.Ng5 (29.Ne8!? Rde8 30.Ra7+=) 29...Bc6-+ 30.Nge4 (30.Nfe4 Rde8-+) 30...Rf8 31.c3 dc3 32.Raf2 Ra8 33.Kc2 Ra2 34.Kb1 Rf2 35.Rf2 b5 36.Kc2 Rf7 (36...c4 37.g4-+) 37.Ng4 Be4 38.de4 (38.Rf7 Kf7 39.de4 Ke6-/+) 38...Rf2 (better is 38...Ra7!? 39.Kb1 h5-+) 39.Nf2-/+ Kf6 40.Nd3 Ke6 41.g4 g5 42.Kd1 h6 43.Kc1 Kd6 ½–½. Gerold – Bessenyei, corr, 1985.

8.Bd5 c6 9.Bb3 Nb3 10.ab3 d6 A) 11.Ne2 A1) 11...0-0 12.Qg3 (12.f5 gf5 13.ef5 Qb6 14.Bc3 Bc3 15.Qg4-/+ ; 12.c3 Ba5 13.Rf1 Be6 14.c4 Na6 15.f5-/+ ; 12.Bc3 Na6 13.fe5 de5 14.Qg3 Bc5 15.h4-/+; 12.Ba3 Na6 13.Rf1 d5 14.f5 gf5 15.ef5-/+; 12.0-0 f5 13.Qd8 Rd8 14.Ng3 Bc5 15.Kh1-/+; 12.Nbc3 f5 13.Qd8 Rd8 14.Rf1 Na6 15.Ba3-/+) 12...Qb6 13.f5 Kf7 14.fg6 hg6 15.Nbc3+=; A2) 11...Nd7 12.0-0 (12.Qh6 Qe7 13.0-0 d5 14.fe5 Ne5 15.ed5+= ; 12.Nbc3 f5 13.Qg3 Rf8 14.0-0 fe4 15.fe5-/+ ; 12.Ba3 Ba3 13.Na3 f5 14.Qd8 Kd8 15.fe5-/+; 12.Ra4 a5 13.Bc3 b5 14.Ra1 Bc3 15.Nbc3-/+; 12.Ra2 Qe7 13.0-0 Bc5 14.d4 ed4 15.Nd4-/+; 12.Rf1 Bc5 13.Ba3 Qe7 14.Bc5 Nc5 15.fe5-/+) 12...f5 13.Qd8 Kd8 14.ef5 gf5 15.fe5=; A3) 11...h5 12.f5 (12.c3 g5 13.Qf2 Bc5 14.d4 Bb6 15.fg5+= ; 12.Qf2 Na6 13.0-0 Bg4 14.d4 Nc5 15.dc5+= ; 12.Bc3 g5 13.Qf2 Bc3 14.Nbc3 gf4 15.Ra7-/+) 12...gf5 13.ef5 Bc5 14.Ng3 Na6 15.Ba3+=; A4) 11...Na6 12.0-0 (12.Ra4 0-0 13.0-0 f5 14.Qd8 Rd8 15.Ng3-/+ ) 12...Qe7 13.d4 ed4 14.Nd4 Bc5 15.Nd2+=; A5) 11...Qe7 12.0-0 (12.c3 Bc5 13.fe5 de5 14.d4 ed4 15.Nd4-/+ ) 12...Bc5 13.d4 ed4 14.Bd4 Nd7 15.Nbc3+= ; A6) 11...Be6 12.f5 (12.0-0 Nd7 13.d4 Qb6 14.c3 Ba5 15.b4+= ) 12...Bf7 13.fg6 Bg6 14.Nf4 Ke7 15.Nd3+= ; A7) 11...Bc5 12.d4 ed4 13.Bd4 Bd4 14.Nd4 f5 15.Qd8-/+ ; B) 11.Ba3 B1) 11...Na6 12.Nf3 (12.f5 Qe7 13.Ne2 gf5 14.ef5 Ba3 15.Na3-/+ ) 12...Qb6 13.Nc3 0-0 14.Bb4 Nb4 15.Kd1-/+ ; B2) 11...Ba5 12.Qh6 (12.Nf3 Bb6 13.Nc3 a6 14.fe5 de5 15.Na4+= ; 12.Bd6 Bd2 13.Nd2 Qd6 14.Ne2 0-0 15.fe5+= ; 12.f5 gf5 13.Qh5 Ke7 14.ef5 Qg8 15.Nf3-/+; 12.fe5 de5 13.Nf3 Be6 14.0-0 Na6 15.Kh1+=) 12...ef4 13.Qg7 Rf8 14.Qh7 g5 15.h4=; B3) 11...Ba3 12.Na3 Qe7 13.Nc4 Na6 14.Nf3 ef4 15.Qf4-/+ ; C) 11.Nf3+= C1) 11...Qe7 12.0-0 (12.Ra4 Bc5 13.fe5 fe5 14.Qe7 Ke7 15.d4-/+ ) 12...Nd7 13.d4 ed4 14.Bd4 Rf8 15.c3= ; C2) 11...Be6 12.0-0 (12.f5 Bf7 13.fg6 Bg6 14.c3 Bc5 15.d4+= ; 12.Bc3 Bc5 13.d4 ed4 14.Bd4 Nd7 15.Nc3+= ; 12.Ba3 Na6 13.Qh6 Qd7 14.0-0 Bg4 15.fe5+=) 12...Bc5 13.d4 ed4 14.Bd4 Nd7 15.Rd1+=; C3) 11...Na6 12.0-0 (12.Qh6 Qe7 13.0-0 Bc5 14.Kh1 Rf8 15.d3-/+ ) 12...Qe7 13.d4 ed4 14.Bd4 Rf8 15.c3+=; C4) 11...h5 12.Qg3 (12.c3 Ba5 13.Ra5 g5 14.Re5 de5 15.fg5-/+ ; 12.0-0 Bg4 13.c3 Ba5 14.fe5 de5 15.d4+= ; 12.Ra4 a5 13.c3 b5 14.Ra2 Bc5 15.d4+=; 12.Ra2 Bg4 13.Qg3 Rg8 14.h3 Bf3 15.Qf3-/+; 12.Bc3 Bc3 13.Nc3 Bg4 14.Qg3 g5 15.fe5+=) 12...Rh6 13.fe5 de5 14.Qf2 Nd7 15.0-0+=; C5) 11...Nd7 12.0-0 (12.Ba3 Ba3 13.Na3 d5 14.ed5 cd5 15.fe5+= ) 12...Qe7 13.d4 ed4 14.Bd4 Rf8 15.c3=; C6) 11...0-0 12.0-0 (12.Bc3 Bc5 13.Ba5 b6 14.Bc3 d5 15.fe5-/+ ) 12...Bc5 13.d4 ed4 14.Bd4 Bd4 15.Nd4+=.

8.Bd5 c6 9.Bb3 Be7 10.Qh6 Nb3 11.Qg7 Na1 12.Qh8 Bf8 13.Ba1 Qe7 14.fe5 fe5 15.Qe5 Na6 16.a3 Nc5=.

8.Be2 Be7 9.f5 Kf7 10.Nf3 d6 (10...d5 11.d4 ed4 12.Bd4+=) 11.0-0= Kg7 (11...gf5 12.d4=) 12.Nc3 c6 Black gets in control 13.Nd1 (13.d4 ed4 14.Nd4 Qb6=) 13...Nd7 (13...d5!?+=) 14.Ne3= Nc5 15.d4 Na4 (15...g5 16.Qg4 h5 17.Qh3 Ne4 18.Bd3-+) 16.Bc1= Nc3 17.Bd3 ed4 18.Ng4 (18.Nd4 Qb6 19.Ne2 Ne2 20.Be2-/+) 18...h5-/+ 19.Nf6?? (better is 19.Nf2 g5 20.Qg3-/+) 19...Bf6-+ 20.Qg3 Qe8 21.Nh4 (21.Qd6 Qd7 22.Qd7 Bd7-/+) 21...Bh4 22.Qh4 Rf8 23.Bd2 c5 (23...b5 24.a4 a6 25.Qg5-+) 24.Qg5 Bd7 (24...b5 25.f6 Kf7 26.Bc3 dc3 27.Qd5 Be6 28.Qd6-+) 25.f6 (25.Qh6 Kg8-+) 25...Kf7 26.e5 Rg8 (26...Qe5 27.Bg6) 27.Qh6 Qf8 (better is 27...Qd8-/+) 28.Qh7? (28.Bg6 Rg6 29.Qh7 Ke6 30.Qg6+/-) 28...Ke6-+ 29.Bc3 dc3 30.Bg6 (better is 30.ed6 Kd6 31.Bg6-+) 30...Rg6 (30...Bb5 31.Bd3 Bd3 32.Qd3 Nc6 33.Qf5 Kd5 34.Qf3 Ke6 35.Qf5 Kd5 36.Qf3 Ke6 37.Qf5=) 31.Qg6= Qf7?? (better is 31...Rd8=) 32.Qf5+- Kd5 33.Qf3 (better is 33.e6 Kc6 34.Qf3 Kc7 35.ef7+-) 33...Kc4+/- 34.Rab1 Threatening mate: Qd3 (34.Rab1 Qg6 35.Qe2 Kd5 36.Rfd1 Ke6 37.Rd6 Kf7 38.Rd7 Kf8 39.e6+-) 1–0. Mauersberger,Hermann – Alf,Henning, corr, 1995.

8.Bg8 Rg8 9.fe5 Rg7 10.ef6 Rf7 11.e5 Nbc6 12.Nf3 h6 13.Qe4 Bf8 14.Nh4 b5 15.Ng6 Nc4 16.Bc3 Bb4-/+.

8.Bg8 Rg8 9.Qh7 Rf8 10.Qg6 Rf7 11.Bc3 Nbc6 12.fe5 fe5 13.Nf3 Qf6 14.Qh5 Nc4 15.Ng5 Qf2 16.Kd1 Bc5-/+.

8.Bb3 Nbc6

9.c3 Bd6 10.Nh3 Qe7 11.0-0 Bc5 12.Kh1 Rf8 13.f5 gf5 14.ef5 Nb3 15.ab3 Qf7 16.b4 Bb6-/+.

9.Bd5 Bc5 10.f5 Qe7 11.a3 Qg7 12.Qg3 d6 13.Bc3 Qh6 14.fg6 hg6 15.Nf3 f5 16.Ra2 f4-/+.

9.Ne2 Nb3 10.ab3 Bc5 11.Nbc3 Nb4 12.0-0-0 0-0 (12...d6!?-/+) 13.fe5= fe5 14.Qd8 Rd8 15.Nb5 Bb6 16.Be5 d6 17.Bf6 Re8 18.d3 Bg4 19.Rde1 Re6 20.Bb2 a6 21.Nbd4 Re5 22.Kd2 Rf8 23.Rhf1 Rfe8 24.h3 Bd7 25.Nf3 R5e7 26.c3 Nd3 27.Kd3 Re4 28.Kd2 d5 29.Ng3 Re3 30.Re3 Be3 31.Kd1 c5 32.Bc1 d4 33.Be3 Re3 34.cd4 cd4 35.Ne2 Rb3 36.Ned4 Rb1 37.Ke2 Rf1 38.Kf1 Kg7 39.Ke2 Kf6 40.Kd3 b5 41.Kc3 a5 42.Nd2 Ke5 43.N2b3 a4 44.Nc5 Be8 45.Nd3 Ke4 46.Ne6 Ke3 47.Ne5 Ke4 48.Nf3 a3 (48...Ke3 49.Nfd4+=) 49.Ned4+/- Kf4 50.Kb3 b4 51.Ne1 Ke3 (51...Kg3 52.Ne2 Kf2 53.Nc1-/+) 52.Ndc2 (52.Nec2!? Kf2 53.g4=) 52...Ke2 53.Kb4 a2 54.g4 a1Q 55.Na1 Ke1 56.g5 Kf2 57.Nb3 Bd7 (better is 57...Kg3-/+) 58.Nc5? (better is 58.Kc5+=) 58...Bf5-+ (58...Bh3?! 59.Ne4 Ke3 60.Nf6=) 59.Nb7 Bh3 (better is 59...Kg3!?-+) 60.Nd6-/+ Kf3 61.Ne8 Kf4 62.Nf6 Kg5 63.Nh7 Kf5 64.Kc5 Ke5 65.Ng5 Be6 66.Nf3 Kf4 67.Nd4 Ba2 68.Nc6 (68.Nb5 g5 69.Kd4 g4-+) 68...Ke4 (68...g5 69.Kd4 g4 70.Ne5-+) 69.Nb4 (better is 69.Kd6!?-+) 69...Bg8 70.Nc6 g5 71.Ne7 (71.Nd4 g4-+) 71...Bb3 (71...g4 72.Ng6-+) 72.Nc6 (72.Kb4 g4 73.Ng6-+) 72...g4 73.Nd4 g3 74.Ne2 g2 75.Ng1 Be6 76.Kd6 Bg4 77.Ke7 If White now would get Ke3 in, he might survive 0–1. Orane – Caissa, internet, 2005.

9.Ne2 Nb3 10.ab3 d6 11.Qh6 Qe7 12.Nbc3 Be6 13.Nd5 Bd5 14.ed5 Nd8 15.Qh4 Nf7 16.Rf1 f5=+.

9.Ne2 b6 10.f5 Nb3 11.ab3 gf5 12.c3 Be7 13.Qh5 Kf8 14.ef5 Na5 15.Qh6 Kf7 16.Qh5 Kf8 (16...Kg7 17.b4 Nb7 18.0-0+=) 17.Nc1 (17.b4 Nb7=) 17...Bb7+= 18.0-0 Rg8 19.Qh6 Rg7 20.Rf2 Kg8 21.Ba3 Bf8 22.Bf8 Qf8 23.b4 Nc4 24.d3 Nd6 25.Qh4 Rg5 26.Qh3 Nf5 (better is 26...Qg7-/+) 27.Rf5= Rg2 28.Kf1 Qg7 29.Ke1 Bd5 30.Qh4 f6 gets attention 30...Kf7 31.Nd2 Qg6 32.Rf1 f5 33.Nc4 Bc4 (33...Ke6!? 34.Ne3 Rg5+/-) 34.Qc4+- (34.dc4?! f4 35.Ne2 Qe4 36.Qh5 Ke7 37.Qh4 Ke8 38.Qh5 Kd8 39.Qh4 Kc8=) 34...Kf6 (better is 34...Ke8 35.Qc7 Qf6+-) 35.Qc7 Qg5 Black prepares the advance f4 (35...Ke6 36.Ra7 Ra7 37.Qb6 (worse is 37.Qa7 Qg4 38.Qb6 d6+-) 37...d6 38.Qa7 Rh2 39.Ne2+-) 36.Qd6 Kg7 37.Qe5 Kh6 (37...Qf6 38.Rf5 Qe5 39.Re5 Rh2 40.b5+-) 38.Ne2 Qg4 39.Ng3 f4 (39...Qh4 40.Rf5 Rg1 41.Ke2 Re8 42.Qe8 Rg3 43.hg3 Qg4 44.Rf3 Qe6 45.Qe6 de6 46.Ra7 Kg6+-) 40.Qf6 Qg6 41.Nf5 Kh5 42.Qh4 1–0. mtrc – Caissa, internet, 2002.

9.Nf3 Nb3 10.ab3 Be7 11.0-0 0-0 12.fe5 fe5 13.Qg3 Bc5 14.Kh1 d6 15.d3 Nd4 16.Nbd2 (16.Bd4!? Bd4 17.c3-/+) 16...Nc2-+ 17.Nh4?? (better is 17.Rac1 Ne3 18.Rfe1-+) 17...Na1 18.Ng6 (18.Rf8 Qf8 19.Ba1 Qf6-+) 18...Rf1 (18...hg6?! 19.Qg6 Kh8 20.Qh6 Kg8 21.Qg6 Kh8 22.Qh6 Kg8 23.Qg6=) 19.Nf1 hg6 (19...Nb3 20.Ne5 Kf8 21.Qf4 Kg7 22.Qf7 Kh6 23.Ng4 Bg4 24.Qg7 Kh5 25.Ng3 Kh4 26.Bf6 Qf6 27.Qf6) 20.Qg6 Kf8 21.Qh6 Ke8 22.Qg6 Kd7 23.Qf7 (23.Ba1 Qe8 24.Qg4 Kc6-+) 23...Qe7 24.Qe7 Ke7 (24...Ke7 25.Ba1 Be6-+) 0–1. mtr – COMP, internet, 2001.

9.Nf3 d6 10.Bd5 Bc5 11.a3 Ne7 12.Ba2 Nac6 13.fe5 fe5 14.Ng5 Rf8 15.Bf7 Rf7 16.Nf7 Kf7=.

9.f5 Nb3 10.ab3 gf5 11.ef5 Qe7 12.Ne2 d6 13.g4 Bc5 14.Kd1 h5 15.Ng3 Bf2 16.Qh3 h4-/+.

9.Qg3 Nb3 10.ab3 d5 11.fe5 fe5 12.Nf3 0-0 13.Ra4 de4 14.Ne5 Bd6 15.Kd1 Ne5 16.Be5 Be5-/+.

8.Bb3 d6

9.c3 Nb3 10.ab3 Bc5 11.d4 Bb6 12.Nf3 Be6 13.de5 Nd7 14.ef6 Nc5 15.Nbd2 Rf8 16.Ba3 Qf6=.

9.Bc3 Nb3 10.ab3 Nc6 11.Nf3 Bc5 12.Na3 Qe7 13.d3 Be6 14.Nc4 Rf8 15.Kd1 f5 16.Qe7 Ke7-/+.

9.Nc3 Nd7 10.Qh6 Nb3 11.ab3 Bc3 12.Bc3 Qe7 13.Nf3 Nc5 14.d3 Bg4 15.fe5 fe5 16.Ng5 Nd7=+.

9.Ne2 Nb3 10.ab3 Nc6 11.Qh6 Qe7 12.Nbc3 Be6 13.Nd5 Bd5 14.ed5 Nd8 15.Qh4 Nf7 16.Rf1 a5=+.

9.Nf3 Nb3 10.ab3 Nc6 11.Nc3 f5 12.Qd8 Kd8 13.fe5 de5 14.Nd5 Re8 15.Ng5 Bd7 16.Nh7 Bc5=.

9.f5 Nb3 10.ab3 Qe7 11.Ne2 gf5 12.ef5 Bc5 13.Nbc3 c6 14.g4 Nd7 15.Ne4 d5 16.Nc5 Qc5-/+.

9.Qg3 Nb3 10.ab3 Bc5 11.Nc3 Nc6 12.Nge2 Nb4 13.Kd1 a6 14.h4 Rg8 15.h5 Qe7 16.f5 Qg7-/+.

9.Qh6 Nb3 10.ab3 Qe7 11.Nc3 Be6 12.Nf3 Na6 13.0-0 Bc5 14.Kh1 Nb4 15.Ne1 Bd4 16.Nd1 Bb2=+.

8.Bb3 Be7

9.Nc3 f5 10.Qf2 d6 11.fe5 de5 12.Nf3 Nbc6 13.0-0 Nb3 14.ab3 0-0 15.Qe2 Nd4 16.Nd4 Qd4=+.

9.Nf3 f5 10.Qh6 Nb3 11.ab3 fe4 12.Be5 Bf6 13.Ng5 d6 14.Bf6 Qf6 15.Nc3 e3 16.Ra4 Bf5+=.

9.f5 Nb3 10.ab3 gf5 11.Qh5 Kf8 12.ef5 d5 13.d4 Nc6 14.Ne2 ed4 15.Bd4 Nd4 16.Nd4 Qe8=+.

9.Qg3 Nbc6 10.Ne2 Nb3 11.ab3 d5 12.ed5 Qd5 13.fe5 fe5 14.Rf1 Bf5 15.d3 Qd8 16.Qe3 0-0-/+.

9.Qh6 Bf8 10.Qh4 Nb3 11.ab3 Nc6 12.Nf3 d6 13.0-0 Bg7 14.Na3 f5 15.ef5 Qh4 16.Nh4 Bf6=.

8.Bb5 a6

9.a3 Bc5 10.Be2 d6 11.Nf3 Nbc6 12.Nc3 Nd4 13.Nd4 Bd4 14.Qh6 Be6 15.Qg7 Rg8 16.Qh7 Qd7=+.

9.Ba4 b5 10.Bb3 Bb7 11.fe5 Nb3 12.ab3 fe5 13.Qg3 Qe7 14.Kd1 Be4 15.Be5 Bg2 16.Bh8 Bh1-/+.

9.Bd3 d6 10.Nc3 Bc5 11.f5 gf5 12.Qh5 Kf8 13.ef5 d5 14.0-0-0 b5 15.Nf3 Nbc6 16.g4 Nd4=+.

9.Be2 d6 10.c3 Bc5 11.d4 ed4 12.cd4 Bb4 13.Nc3 Nac6 14.a3 Ba5 15.Rd1 Qe7 16.d5 Nd8=+.

9.Be2 d6 10.Nc3 Bc5 11.Nd5 Nd7 12.c3 c6 13.d4-/+.

9.Bf1 d6 10.c3 Bc5 11.d4 Bb6 12.Nf3 Nbc6 13.Nbd2 ed4 14.cd4 0-0 15.d5 Nb4 16.Kd1 Qd7-/+.

8.Bd3 d6

9.a3 Bc5 10.Nc3 Be6 11.Nf3 Nd7 12.Na4 h6 13.Qg3 Rg8 14.Bc3 Nc6 15.Bb5 g5 16.f5 Bf7=+.

9.Nc3 c6 10.Nf3 Nd7 11.f5 Ke7 12.a3 Bc5 13.Qg3 Qe8 14.Nh4 Rg8 15.fg6 hg6 16.Na4 b5-/+.

9.Be2 Bc5 10.Nf3 Be6 11.d4 ed4 12.Nd4 Bd4 13.Bd4 0-0 14.f5 Nbc6 15.Bc3 gf5 16.0-0 Qe7=+.

9.Ne2 Nbc6 10.Nbc3 h5 11.Qg3 g5 12.h4 g4 13.a3 Bc5 14.Na4 Bd4 15.Nd4 Nd4 16.0-0 Ne6=+.

9.Nf3 c6 10.Bc3 Bc3 11.Nc3 Nd7 12.0-0 b5 13.f5 Nf8 14.fg6 Ng6 15.Qh5 Be6 16.Nh4 Rg8=+.

9.f5 gf5 10.ef5 Bc5 11.Nf3 Nbc6 12.Qh5 Ke7 13.Ba3 Ba3 14.Na3 d5 15.Bb5 Qd6 16.Bc6 Qc6-/+.

9.Nh3 Nac6 10.Nc3 Be6 11.Nd5 Nd7 12.Qh6 Bc5 13.Qg7 Rg8 14.Qh7 Nb4 15.Nb4 Bb4 16.Be2 a6=+.

8.Bd3 Be7

9.Nc3 d6 10.Nd5 Be6 11.Bc3 Nac6 12.Rb1 b6 13.Nf3 h5 14.Qg3 Rh6 15.0-0 Nd7 16.Bb5 Ndb8+=.

9.Ne2 Nbc6 10.f5 Kf7 11.a3 Bc5 12.Nbc3 a6 13.Nd5 Kg7 14.Qg3 b5 15.fg6 hg6 16.Rf1 Rf8=.

9.Nf3 c6 10.Bc3 d6 11.f5 Kf7 12.fg6 hg6 13.Ba5 b6 14.Qg3 ba5 15.Rf1 Rh6 16.Nc3 Ke8=+.

9.f5 Kf7 10.Nc3 Nbc6 11.Nd5 Bc5 12.Nf3 Kg7 13.g4 d6 14.g5 fg5 15.Ng5 h6 16.Nf3 Qh4=.

9.Qg3 Nbc6 10.Nf3 d6 11.Bc3 Be6 12.0-0 Qd7 13.Bb5 a6 14.Bc6 Nc6 15.Re1 b5 16.d4 ed4-/+.

9.Nh3 d5 10.ed5 Qd5 11.Bg6 Kd8 12.Rg1 Qe6 13.Bc3 f5 14.Qh5 Qg6 15.Qg6 hg6 16.Ba5 ef4-+.

8.Bd5 d6

9.a3 Bc5 10.Bc3 Bb6 11.Nf3 c6 12.Ba2 Na6 13.Bb2 Nc5 14.Nc3 Qe7 15.d3 ef4 16.Qf4 g5-/+.

9.a4 c6 10.Ba2 Na6 11.Nf3 Bc5 12.Na3 b6 13.Nc4 Nb4 14.Na5 ba5 15.Bb3 Rb8 16.Bc3 Qe7-/+.

9.c3 Bc5 10.d4 c6 11.Bb3 ed4 12.cd4 Bb6 13.d5 Nb3 14.ab3 0-0 15.Nc3 Nd7 16.Rd1 Nc5-/+.

9.Bc3 Na6 10.a3 Bc3 11.Nc3 c6 12.Ba2 b5 13.Nf3 b4 14.Nb1 Qe7 15.0-0 Rb8 16.fe5 fe5-/+.

9.Nc3 c6 10.Bb3 f5 11.Qh6 Nb3 12.ab3 Qe7 13.Nf3 Bc3 14.Bc3 fe4 15.Ng5 Bf5 16.h3 Nd7-/+.

9.Ne2 c6 10.Bb3 Nd7 11.Nbc3 h5 12.f5 g5 13.Qf2 Nb6 14.h4 Bc5 15.d4 ed4 16.Nd4 Nac4-/+.

9.fe5 de5 10.Bc3 Nbc6 11.Ne2 f5 12.Qg3 Qd6 13.Qf3 Rf8 14.Rf1 Bd7 15.h3 0-0-0 16.Qd3 fe4-+.

9.Nf3 c6 10.Bb3 Nb3 11.ab3 0-0 12.0-0 Bc5 13.d4 ed4 14.Bd4 Bd4 15.Nd4 f5 16.Qd8 Rd8=+.

9.Qh6 Qe7 10.a3 Bc5 11.Ne2 c6 12.Ba2 b5 13.Nbc3 Na6 14.Rb1 Rb8 15.Bc1 Nb7 16.d3 Nc7-/+.

8.Be2 Nbc6

9.a3 Bc5 10.Nf3 d6 11.Nc3 Nd4 12.Nd4 Bd4 13.Qh6 Be6 14.Qg7 Rg8 15.Qh7 Qd7 16.Qd7 Kd7=+.

9.fe5 fe5 10.Qd8 Kd8 11.Nf3 d6 12.Ng5 Ke7 13.0-0 (13.Rf1 h6 14.Nf3 Be6-/+) 13...Nd8 (13...h6!? 14.Nf3 Bc5 15.Kh1 Rf8-/+) 14.c3 Bc5 15.d4 Bb6 16.Nd2 Be6 17.Kh1 h6 18.Ne6 Ne6 19.de5 de5 20.Nf3 Nc6 21.Rad1 (21.Bb5 Ned8+=) 21...Bc5 (21...Rhd8 22.Nh4 Rg8 23.Bb5+=) 22.Nh4 (better is 22.Bb5!? Ned8 23.c4=) 22...Rhg8 23.Bc1 h5 24.Bc4 Na5 25.Be6 Ke6 26.Bg5 Be7 27.Be7 Ke7 28.Rd5 Nc6 29.Nf3 Rad8 30.Rb5 Rd3 31.Rb7 Kd6 32.h3 Rf8 33.c4 ½–½. Fernandez Russo – Radich, corr, 1985.

9.fe5 fe5 10.Qd8 Kd8 11.Nf3 d6 12.Ng5 Rf8 13.Nh7+= Rf4 14.g3 Rf7 15.Ng5 Rf8 16.Nh7 Rh8 17.Ng5 Rf8 18.Rf1 Rf1 19.Bf1 Bc5 20.Nc3 Nd4 21.Rc1 Bg4 (21...Ne6!? 22.Nf3 a6+=) 22.Na4= Bb6 23.Nb6 ab6 24.Bd4 ed4 25.h3 Bd7 26.Rb1 Nc6 27.Bc4 Ne5 28.Bd5 Ra5 29.Ke2 Ke7 30.Rb2 c6 31.Bg8 Kf6 32.h4 Bg4 33.Kf2 d3 34.Bb3 (34.c3 b5=) 34...b5 (better is 34...c5-/+) 35.Ke3= Be2 36.cd3 Bd3 (36...Nd3?? 37.Rb1 c5 38.Ke2+-) 37.Nf7 Nf7 38.Kd3 c5 39.Bd5 Ne5 40.Ke2 c4 41.Bb7 Nd3 42.Rb1 Ke5 43.Ke3 Nc5 44.d4 cd3 45.Bd5 d2 46.g4 Ra3 47.Kd2 Ne4 48.Be4 Ke4 49.Rb5 d5 50.Rb2 Rh3 51.Rb6 Rh4 52.Rg6 Rh2 53.Kc3 d4 (53...Ra2!? 54.Re6 Kf4=) 54.Kb3+= d3 55.a4 (55.g5 Rg2+/-) 55...Rc2 (55...Rh1!? 56.Kc3 Rc1 57.Kd2 Rc2 58.Kd1 Ra2=) 56.a5 (56.g5 Rc7 57.Rd6 Ke3=) 56...Kd5 (56...Rc5 57.a6 Rd5 58.a7=) 57.Rf6 Rc1 58.Rf2 (58.Rf7 Kd4 59.Rd7 Ke3=) 58...Ra1 (58...Ke4 59.Kb2 Rc6 60.Rh2=) 59.g5 (59.Kb2!? Ra4 60.Rf8+/-) 59...Kd4= 60.g6 Rg1 61.a6 (better is 61.Rh2=) 61...Rg6-+ 62.Kb2 (62.Rf4 Ke3 63.Rh4 Ra6 64.Rh3 Ke2 65.Rh2 Ke1 66.Rh1 Kf2 67.Rh2 Kf3 68.Rh3 Ke4 69.Rh4 Ke5 70.Rh5 Kf4 71.Rh4 Kg5 72.Rd4=) 62...Ra6 63.Kc1 Ra1 64.Kb2 Re1 65.Rf4 Ke3 66.Rc4 (66.Rf8 d2 67.Re8 Kf4 68.Rf8 Ke4 69.Re8 Kf5 70.Rf8 Ke6 71.Rd8-+) 66...d2 67.Rc3 Ke4 (67...Ke4 68.Rc7 d1Q 69.Re7 Kf5 70.Re1 Qe1-+) 0–1. mtrc – Caissa, internet, 2002.

9.fe5 Ne5 10.Nf3 Nac6 11.Nd4 Nd4 12.Bd4 d5 13.0-0 de4 14.Qe4 Bf5 15.Qe3 Qe7 16.a3 Bd6-/+.

9.Nf3 Nd4 10.Nd4+/- ed4 11.Bd4 (11.f5 Nc6+= 12.fg6 Qe7 13.0-0 Bd6 14.Qh6 Qe4+/-) 11...0-0+= (11...Be7 12.f5 gf5 13.0-0 d5 14.Bh5 Kf8+-) 12.f5 (12.a3 Be7 13.Bc3 c6 14.f5 gf5+/-) 12...gf5 (12...g5 13.Qh6 Nc6 14.Bb2 Qe7+=) 13.0-0 (13.ef5 d5 14.0-0 Nc6+=) 13...d6 (13...Nc6 14.Bb2 Bc5 15.Kh1 fe4 16.Rf6+= (worse is 16.Qe4 d5 17.Qh4 d4=)) 14.ef5+/- Nc6 (14...Bc5 15.Nc3+/-) 15.Be3 Re8 (15...d5 16.a3 Ba5 17.c3+=) 16.Bb5 a5 (16...Ba5 17.Bc6 bc6 18.Qc4 Kh8 19.Qc6+/-) 17.a3 Bc5 18.Bc5 dc5 19.Qc4 Kg7 20.Bc6 bc6 21.Qc5 Qd6 22.Qd6 (22.Qc4 Ba6 23.Qg4 Kh8=) 22...cd6+= 23.Nc3 Rb8 24.d3 (24.g4 h5 25.gh5 Rb2+=) 24...Rb2 (24...d5 25.g4+=) 25.Rf2 d5 26.Na4 Rb8 (26...Rb5 27.d4+/-) 27.Nc5 Rb5 28.d4 Rb8 29.g3 Kh6 30.Kg2 Kg5 31.h4 Kh5 32.Rd1 (32.Rg1 Re3 33.Rf3 Re2 34.Kh3 Rc2 35.g4 Kh6+/-) 32...Rb2+/- 33.a4 Re3 34.Rd3 Rd3 35.Nd3 (35.cd3?! Rf2 36.Kf2 Bf5+=) 35...Ra2 36.Nc5 Ra1 37.Ne6 (37.c4 dc4 38.Ne4 Ra4 39.Nf6 Kh6+/-) 37...Ra3 (37...Ra4 38.Kf3 Kh6 39.g4 Be6 40.fe6+=) 38.Rf4 (38.Ng7 Kh6 39.Ne8 Ra4+/-) 38...Kh6 (38...Ra4 39.Ng7 Kh6 40.Ne8+=) 39.g4 Rc3 (39...Ra4!? 40.Rf2 Be6 41.fe6 Rd4 42.Rf6 Kg7 43.Rf7 Kg8=) 40.Rf2+- Be6 41.fe6 Kg7 42.g5 fg5 43.hg5 c5 (43...Re3 44.Rf6+-) 44.dc5 Rc5 45.Kf3 (45.e7 Rc8+-) 45...Kf8+/- 46.Kf4 ½–½. Trokenheim,Marek – Leyen,Peter, email CTON CUP, 1997.

9.Nf3 Bd6 10.a3 Be7 11.f5 (11.Nc3 f5 12.Qh6 d6 13.0-0 Bf8 14.Qg5 Qg5 15.Ng5+=; 11.Qh6 Bf8 12.Qh4 Bg7 13.0-0 d6 14.Nc3 Be6 15.Rab1+=) 11...gf5 (11...Kf7) 12.Qh5 Kf8 13.ef5 Bc5 14.Nc3 d5 15.Rb1+=.

9.Nf3 Bd6 10.Nc3 Nb4 (worse is 10...ef4 11.Nd5 Be5 12.d4+/- (12.Nf6?! Qf6 13.Qf6 Bf6 14.Bf6 0-0+=) 12...Bd6 13.Nf6 Kf7 14.d5 Bb4 15.Kf1+-) 11.0-0-0 (11.Rc1 Be7 12.a3 Nbc6 13.Nd5 d6 14.0-0 Be6 15.Bc3=; 11.Kd1 Be7 12.f5 Kf7 13.a3 Nbc6 14.Nd5 d6 15.Rb1=) 11...0-0 (11...Be7 12.f5 gf5 13.Qh5 Kf8 14.a3= Nbc6 15.Nh4=; 11...ef4 12.a3 Nbc6 13.Nd5 0-0 14.Nf6 Rf6 15.Qf6=; 11...a6 12.f5 Kf7 13.Qh6 Qf8 14.Qf8 Rf8 15.fg6=) 12.a3 (12.fe5 Be7 (12...fe5 13.Qd8 Rd8 14.Nb5 b6 15.Ne5+=) 13.Qg3 d5+= (13...d6 14.d4 f5 15.a3+=) 14.a3 de4 15.Ne4+=) 12...Nbc6= 13.Nd5 (13.fe5 Be5 14.Ne5 Ne5 15.Rhf1=) 13...Nd4 (13...a6 14.Rde1 b5 15.fe5+=) 14.Nd4 ed4 15.Bd4 Ba3 16.Kb1 Be7 17.e5 (17.Ne7 Qe7 18.f5 d5 19.fg6 hg6= (19...de4?? 20.Bc5 Qg7 21.gh7 Kh8 22.Bf8 Qf8 23.Qe4+-)) 17...Rf7 18.ef6 The passed pawn on f6 will quickly become a dangerous weapon (worse is 18.Nf6 Bf6 19.ef6 d6=) 18...Bd6 (18...Bf8 19.f5 d6 20.fg6 hg6+-) 19.f5+- Nc6 20.fg6 hg6 (20...Qf8 21.Bc4 hg6 22.Ne7 Be7 23.fe7 Nd4 24.ef8Q Kf8 25.Qh8 Ke7 26.Qd4 Rf6 27.Rde1 Re6 28.Qc5 d6 29.Qc7 Bd7 30.Re6 Kf8 31.Qd6 Kg7 32.Rg6 Kh7 33.Rh6 Kg7 34.Qf6) 21.Bb2 (21.Ne7 Qe7 22.fe7 Nd4 23.e8Q Bf8 24.Qd4 d5 25.Qd5 Rb8 26.Qdf7 Kh8 27.Qef8) 21...Qe8 (21...Be5 22.Be5 Ne5+-) 22.Ne7! Be7 (22...Qe7 23.fe7) 23.fe7 Rg7 (23...Ne5 24.Be5 Rh7 25.Bc4 d5 26.Bd5 Be6 27.Be6 Qf7 28.Qf6 Qe6 29.Qe6 Rf7 30.Qg6 Rg7 31.Qg7) 24.Bc4 d5 25.Bd5 (25.Bd5 Be6 26.Be6 Qf7 27.Qh6 Ne5 28.Be5 Rh7 29.Qg6 Rg7 30.Qg7) 1–0. Bernardo,Angelo – Bryant,Barry (1835), corr SOK–99–E009A, 1999.

9.Nf3 Bd6 10.f5 gf5 (10...0-0 11.fg6 hg6 12.Qh6 Rf7 13.Qg6 Rg7 14.Qh6 Bc5 15.Nc3+=; 10...Kf7) 11.ef5 (11.Qh5 Ke7 12.ef5 Bc5 13.Ba3 Ba3 14.Na3 Qf8 15.Nc4+=) 11...Bc5 12.Qh5 Ke7 13.Ba3 Ba3 14.Na3 Qf8 15.Nc4+=.

9.Nf3 Qe7 10.fe5 fe5 (worse is 10...Ne5 11.Ne5 fe5 12.Qe7 Ke7 13.Be5+/-) 11.Qe7 Be7 12.Ne5 Bf6 13.Nd3 Bb2 14.Nb2 0-0 15.c3 Re8 16.d3 d5 17.Nd2 (17.ed5? Bg4 18.0-0 Re2-+ (18...Be2?! 19.dc6 Bf1 20.cb7 Nb7 21.Kf1-+)) 17...de4 (17...Be6 18.Nf3=) 18.Ne4 Rf8 19.Kd2 Be6 20.Rhf1 (20.Rhe1 Rae8=) 20...Rf1 21.Rf1 (21.Bf1 Rf8=) 21...Ba2+= 22.h4 (22.d4 Kg7+=) 22...Kg7 23.Nc5 (23.Bf3 Re8+=) 23...Nb3 24.Nb3 Bb3 25.d4 (25.Bf3 a5+=) 25...a5-/+ 26.Bc4 (26.Bf3 a4-/+) 26...Bc4 27.Nc4 b5 28.Na3 (28.Ne5 Ne5 29.de5 a4-/+) 28...Rb8 Black prepares b4 29.Rb1 (29.Nc2 b4-/+) 29...b4-+ 30.cb4 ab4 31.Nc2 b3 32.Na1 Nd4 33.Kc3 c5 34.Nb3 (34.Rb2 Kf6-+) 34...Rb3 (34...Nb5!? 35.Kb2-+) 35.Rb3-/+ 0–1. Ramirez,Tuco – Luzuriaga,Norberto Horacio, corr or01–008 E–mail, 2001.

9.f5 0-0 10.fg6=+ hg6 11.Qh6 (11.Nc3 f5 12.Qh6 Qf6=) 11...Qe8 (11...Rf7 12.Nc3 Bf8 13.Qg6 Rg7=+) 12.Nf3=+ Qf7 (12...d6 13.h4=+) 13.Nh4 (13.Nc3!?=) 13...Ne7-/+ 14.c3 (14.Nc3 Qg7 15.Qe3 b6-/+) 14...Bc5 15.d4 Bb6 16.Na3 (16.Nd2 Qg7 17.Qg7 Kg7-/+) 16...Qg7 (16...d5 17.ed5 g5 18.de5 gh4 19.e6-/+) 17.Qd2 (17.Qg7!? Kg7 18.Nc4-/+) 17...Qh7 (17...d5 18.c4 Qh7 19.Ng6 Ng6 20.c5-+) 18.g3 g5 19.Nf5 (19.Ng2 Qe4 20.0-0 Qg6-+) 19...Nf5 20.ef5 d6 21.g4 (21.Nc4 Bf5 22.0-0 Kg7-+) 21...Qh4 22.Kd1 (22.Kf1 Bd7 23.Rg1 Kg7-+) 22...Bd7 23.Nc2 (23.Qe1 Ba4 24.Kd2 Qh6-+) 23...Rae8 (better 23...Bc6 24.d5 Ba4-+) 24.Ne3? (24.Qe1 Qe1 25.Re1-+) 24...ed4 25.cd4 (25.Nd5 Bc6 26.Nb6 Re2 27.Qe2 Re8-+) 25…Qh3 (25...Qh3 26.Nc2 Re2 27.Qe2 Re8-+) 0–1. Bennett,Hilton – Coltharp,Cameron, email 4AMM–F, 1998.

9.Nf3 d6

10.c3 Bc5 11.d4 Bb6 12.Nbd2 0-0 13.fe5 fe5 14.Qd8 Rd8 15.Rf1 Rf8 16.Rb1 Kg7=+.

10.c3 Bc5 11.d4 Bb6 12.d5 (12.Nbd2 a6 13.a3 Bd7 14.Rb1 Qe7 15.fe5 de5+=) 12...Nb8 13.fe5 de5 14.Qh6 Qe7 (14...Qd7 A) 15.Qh4 Rf8+= (15...0-0 16.Ba3+=); B) 15.Ba3 Qf7+=) 15.Rf1 (15.Ba3 Qf7=) 15...Nd7+= 16.Bc1 (16.Ba3 Nc5+=) 16...c6 (16...Nc5 17.Nbd2-/+) 17.c4+= Nc5 18.Nc3 Bd7 19.Be3 Qf8 (19...Qd6 20.Rd1 0-0-0 21.dc6 Qc6 22.Nd5+=) 20.Qh4 (20.Rd1 0-0-0=) 20...Qd6 (better is 20...Nd3! 21.Bd3 Be3=) 21.Rd1= 0-0 22.dc6 Qc6 23.Nd5 Qe6 (23...Rae8 24.Ne5 (worse is 24.Nb6 ab6 25.Nd2 f5+=) 24...Re5 25.Rf6 Rd5 26.Rf8 Kf8 27.cd5+- (27.Rd5?! Na6 28.c5 Bc5 29.Qf2 Ke7 30.Bc5 Nc5 31.Qc5 Qc5 32.Rc5 Nc6+-; 27.ed5?! Qd6+/-)) 24.Nd2 Can f6 get defended? (worse is 24.Nb6 ab6 25.Nd2 Rf7+=) 24...f5 25.ef5 gf5 26.Nf3 Nc6 27.Ng5 (27.Nb6?! ab6 28.Rd2 f4+=) 27...Ba5 28.Kf2 Ne4 29.Ne4 fe4 30.Kg1 Rf1 31.Rf1 Kh8? (31...Bd8 32.Bg5 Bg5 33.Qg5 Qg6 34.Qg6 hg6 35.Nf6 Kg7 36.Nd7 Nd4+-) 32.Bg5 (32.Qe4?! Qg8+-) 32...Bd8 33.Rf8 Kg7 34.Bf6 (worse is 34.Rd8 Rd8 35.Bf6 Qf6 36.Qf6 Kg8 37.Ne7 Ne7 38.Qe7 Rf8 39.Qd7 Rf7 40.Qe8 Rf8 41.Qe6 Kg7 42.Qe5 Kf7+-) 34...Bf6 35.Rf6 (worse is 35.Qf6 Qf6 36.Rf6 Nd4-+) 35...Qe8 (35...Qg8 36.Rc6! (36.Qe4?! Rf8 37.Qh4 Kh8+-) 36...Kh8 37.Rc7+-) 36.Qh6 Kh8 (36...Kg8 37.Rc6! Qf7 38.Nf6 Kh8+-) 37.Bh5 Qg8 38.Rf7 (38.Rf7 Qg2 39.Kg2 Rg8 40.Kh1 Rg1 41.Kg1 e3 42.Qh7) 1–0. Bonetti,Shane – Grimm,Wolfgang, T15–11.104 ETC, 2004.

10.c3 Bc5 11.d4 Bb6 12.d5 Nb8 13.fe5 fe5 14.Qh6 Qe7 15.Rf1 Nd7 16.Bc1 c6 17.Bg5 Qf8 18.c4 Qh6 19.Bh6 Bd8 20.Ng5 Bg5 21.Bg5 b6 22.Nc3 Ba6 23.Rd1 c5 24.Nb5 Bb5 25.cb5 h6 26.Bc1 Ke7 27.Rd3 Nf6 28.Rh3 g5 (worse is 28...Ne4 29.Bh6 c4 30.Bf3+=) 29.Bd3 Nb7 30.Bc2 Rh7 31.Bd2 a6 32.ba6 Ra6 33.a4 Ra8 34.Ke2 Rhh8 35.Rb3 Nd7 (35...Ra4? 36.Rbf3 Ra2 37.Rf6+-) 36.Rh3 Rag8 37.Rf5 Rb8 38.Kd3 Rbc8 39.Kc4 Rcg8 40.Bc1 Rb8 41.Kb5 Rbc8 42.Bd2 ½–½. Woelfelschneider,Peter – Trokenheim,Marek, email SOK–99–E006B, 1999.

10.Nc3 0-0 11.Nd5 Bc5 12.fe5 de5 13.Rd1 Be6 14.c4-/+.

10.Nc3 Bc3 11.Bc3 Be6+= 12.0-0 Qe7 13.d4 ed4 14.Nd4+=.

10.Nc3 Bc5 11.Na4 Nd4 12.Nd4 Bd4 13.c3=.

10.f5 gf5 11.Qh5 Ke7 12.ef5-/+.

10.Qh6 Be6 11.Qg7 Rg8 12.Qh7+= Nc4 13.Bc4 Bc4 14.fe5+=.

10.Qh6 Qe7 11.Nc3 Bc3 12.Bc3 Be6 13.0-0 0-0-0 (13...Nc4 14.Rab1+=) 14.a4 (14.Rab1+=) 14...Rhg8 15.Rf2 (15.Rfb1 Qg7 16.Qg7 Rg7+=) 15...g5 16.fg5 (16.f5 Bf7+=) 16...fg5-/+ 17.h4 (17.Rb1 Rg6 18.Qh5 g4-/+) 17...gh4 18.Nh4 Kb8 (18...d5 19.Qf6 Qd6 20.Nf5-/+) 19.Raf1 d5 20.Nf5 Bf5 21.ef5 Qc5 22.f6 Rgf8 23.Rb1 b6 (23...Nc4 24.Rb5 Qd6 25.Bc4 dc4 26.Qg5-/+) 24.Rb5+= Qd6 Black is in command 25.Qg5 (25.Qh7!? Rf6 26.Rd5 Qd5 27.Rf6+=) 25...Nb7-/+ 26.Bb2 a6 27.Rb3 Nc5 28.Ba3 h6 29.Qh5 White prepares the advance f7 (29.Qh6 Nd4 30.Rb2 Ne2 31.Re2 Rf6-/+) 29...Nd4 30.Bc5 Qc5 31.Rc3 Qd6 32.f7 Rd7 33.Bg4 (33.Ba6 Qe6-/+) 33...Re7-+ 34.Rd3 (34.Kh2 e4 35.Kh1 Nc6-+) 34...Ka7 (34...Nc2!? 35.Rdf3 Nb4-+) 35.c3-/+ Nc6 (35...Nb3 36.c4 Nd4 37.cd5 Qd5 38.Re3-+) 36.Rdf3 Qc5 37.Rf6 (37.Qh6 Rff7 38.d4 Nd4 39.cd4 Qd4-/+) 37...Nd8 38.Kh2 d4 39.cd4 Qd4 40.a5 Qc5 (40...e4 41.Bh3-/+) 41.ab6 cb6 42.Qg6 e4 43.Bh5 a5 (43...Re5 44.Be2 Qc7 45.Kg1+=) 44.R2f5 (44.Qh6 Re6 45.Re6 Ne6+=) 44...Qc7 (44...Re5 45.g3 Rf5 46.Rf5+=) 45.Kh1 Qc1 (45...Rff7 46.Rf7 Nf7 47.Rf7 Rf7 48.Qf7+/-) 46.Rf1+= Qc7? (better is 46...Qc5!? 47.Qh6 Re6=) 47.Qg7 (47.Qg8 Qc5 48.Qf8 Qh5 49.Kg1 Qc5 50.R6f2 Nf7 51.Qe7 Qe7 52.Rf7 Qf7 53.Rf7 Ka6+-) 47...Re5+/- 48.Qh6 (48.Qf8 Rh5 49.Kg1+-) 48...Qe7+= 49.g3 Rb5 50.R6f5 (50.Bg6 Re5+=) 50...Rb3 51.Qf4 (51.Rg5 e3 52.Rg8 e2=) 51...Qd7 52.Kg2 Rd3 53.Rf2 Qb7 54.Kh2 Qc6 55.Re2 (55.Re2 Qd7 56.Re4 Rd2 57.Kg1+=). pcmvr (2780) – pierred (2645), net–chess.com, 2008.

9.Nf3 Be7

10.0-0 0-0 11.g4? (11.Nc3!?+= f5 12.Ng5 (12.Qh6 Nd4 13.Nd4 ed4 14.Nb5 c5 15.e5+=; 12.Qg3 Bc5 13.Kh1 fe4 14.Ne5 Ne5 15.fe5=) 12...h5 13.Nd5 ef4 14.Ne7 Qe7 15.Bd3=) 11...ef4 (11...d5 12.Nc3 f5 13.Ng5 Bg5 14.Qg5 de4 15.Qd8 Rd8 16.Rad1-+) 12.Nc3-/+ Nb4 (better is 12...f5 13.g5 Nb4-/+) 13.d4? Nc2 14.Nd5 (14.Rac1 Ne3 15.Rf2 d6-+) 14...Na1 15.Ne7 (15.Bc3-+) 15...Qe7 16.Ne5 (16.Ra1 Qe4 17.Re1-+) 16...g5 (16...g5 17.Qe1 fe5 18.Qa5 Nc2 19.Qc7 Ne3-+) 0–1. mtr – COMP, internet, 1998.

10.0-0 Bc5 11.Kh1 d6 12.Nc3 Nd4 13.Nd4 Bd4 14.Rab1 c6 15.f5+=.

10.0-0 f5 A) 11.Qg3 A1) 11...Bc5 12.Kh1 fe4 13.Ne5 Rf8 14.f5 Qf6 15.Nc6+=; A2) 11...Rf8 12.ef5 (12.Ne5 fe4 13.Qe3 d5 14.Na3 Ne5 15.fe5+=) 12...ef4 13.Qf4 d5 14.Qa4 Bf5 15.Bb5+=; A3) 11...fe4 12.Ne5 Rf8 13.Qc3 d6 14.Nc6 Nc6 15.Bb5-/+; B) 11.Qf2 fe4 12.Ne5 0-0+= 13.Ng4 h5 14.Ne3 Bh4 15.g3=.

10.Qh6 Bf8

11.Qh4 Nb4 12.Na3= Be7 (12...d6 13.0-0= (13.Bc3 Nac6 14.0-0 Be6 15.f5 g5 16.Qe1 Bf7+=; 13.c3 Nbc6 14.d4 ed4 15.cd4 d5 16.ed5 Nb4+=) 13...Bg7 (13...Qe7 14.fe5 de5 15.c3 Nbc6 16.d4 ed4=; 13...Be6 14.d4 ed4 15.Nd4 Bd7 16.Rfb1 d5=; 13...Bd7 14.c3 Nbc6 15.d4 f5 16.Qd8 Nd8=) 14.Rfb1 Nbc6 15.Bc3 ef4 16.Qf4 Qe7+=) 13.f5 (better is 13.fe5 fe5 14.Qg3= d6 15.Be5 0-0 16.Bc3 d5=; 13.Qh6 Bf8 (13...d6 14.Qg7 Kd7 15.fe5 de5 16.Ne5 fe5+/-) 14.Qh4 d6 15.0-0 Qe7 16.fe5 de5=) 13...Nbc6 (better is 13...Kf7= 14.0-0 Nbc6 15.fg6 hg6 16.Qf2 d6=; 13...gf5 14.Qh5 Kf8 15.Ne5 Qe8 16.Qh6 Kg8 17.Bh5+-) 14.fg6+/- f5?? (14...d5 15.g7 Rg8 16.Qh5 Kd7 17.ed5 Rg7+-; 14...Ba3 15.Ba3 d6 16.Ng5 Nd4+-) 15.Qh5+- Kf8 16.Qh6 (16.Qf5 Bf6 17.Ne5 d5 18.Nd7 Bd7 19.g7 Kg7 20.Qg5 Kf8 21.Bf6 Qe7 22.Be7 Ne7+-) 16...Kg8 17.g7 (17.ef5?! Bf8 18.Qh5 Bg7+-) 17...Bf6 (17...d6 18.0-0+-) 18.gh8Q Kh8 19.ef5 d5 20.0-0 (20.g4 Nd4+-) 20...Qe7 (20...d4 21.Bd3+-) 21.Bd3 (21.Ne5 Ne5 22.Be5 Be5+-) 21...Bd7 (21...Bg7 22.Qh5 Bf6 23.Rae1+-) 22.Nb5 Rc8 23.Rab1 (better is 23.Nc3!? Nb4 24.Ba3 Bg7+-) 23...Qg7 24.Qg7 Kg7 25.Ne1 (25.Nc3 e4 26.Nd5 Bb2 27.Be4 Ba3+-) 25...a6 26.Nc3 Ne7 (26...e4 27.Be2 Nd4 28.Bg4+-) 27.g4 e4 (27...Rg8 28.Ba3 e4 29.Be2 Bc3 30.dc3+-) 28.Be2 h6 (28...Kf7 29.d3 Bc6 30.Nd1+-) 29.Ng2 c5 (29...Kf7 30.Nf4 Bc6 31.Nd1+-) 30.Nf4 Bd4 31.Kh1 (31.Kg2 Bc6+-) 31...Bc6 32.f6! Kf6 (32...Bf6 33.Nh5 Double attack (33.Nh5 Decoy); 32...Kf6 33.Nfd5 Double attack) 33.Nfd5 Ke6 34.g5 (34.Nf4 Ke5 35.Ng2 b5+-) 34...Bd5 (34...Rd8 35.Ne3 hg5+-) 35.Bg4 Kd6 36.Nd5 Kd5 37.g6 (better is 37.Bd4 Kd4 38.Bc8+-) 37...Rg8+/- 38.Bd4 Kd4 (38...cd4 39.Bf5 e3 (39...Ng6?? 40.Bg6 Rg6 41.Rf5 Kc4 42.Ra5+-) 40.de3 de3+/-) 39.Rbe1+- Ng6? (better is 39...Nc4 40.Be6 Nd2+-) 40.Bf5 Nf8 (40...Ne5 41.c3 Kd5 42.Be4 Kd6 43.Rf6 Kc7+-) 41.Re4 Kd5 42.Re8 Kd6 (42...Kc4 43.Rf4 Kb5 44.a4 Kb6 45.Be4+-) 43.Bc8 (43.Be4 b5 44.d3 Kd7 45.Ref8 Rf8 46.Rf8 Nc6 47.Bc6 Kc6 48.Rf6 Kd5 49.Ra6 Kd4+-) 43...Kc7 44.Rf7 Kb6 45.Rff8 Rf8 46.Rf8 Nc4 47.d3 Ne3 48.Rf7 Nc2 49.Rb7 Ka5 50.Rh7 Nb4 51.Rh6 Nd3 52.Ba6 Nb4 53.Bf1 Nc2 54.Rh3 (54.h4 Ne3 55.Ra6 Kb4 56.a3 Kb3+-) 54...Nd4 55.Rc3 Kb4 56.Rc4 Ka3 57.Rc5 Ka2 58.h4 Kb3 59.h5 Ne6 60.Bc4 Kb4 61.Be6 Kc5 62.h6 Kd6 63.Bg8 Ke7 64.h7 Kd6 65.h8Q Kc5 66.Qf6 Kb5 67.Qd6 Ka5 (67...Ka4 68.Bc4 Ka5 69.Qc5 Ka4 70.Qb5 Ka3 71.Qb3) 68.Qb8 Ka4 69.Qb6 Ka3 70.Qb3 1–0. mtrc – Caissa, internet, 2002.

11.Qh4 Be7

12.0-0 0-0 13.g4 ef4 14.Nc3 Nb4 15.Nd5 Nd5 (15...Nc2?! 16.Rac1 Nb4 17.Nc7+=) 16.ed5 c6 17.Qh6 Qb6 18.Bd4 Bc5 19.Qf4 cd5 20.Rab1 Qc6 (better is 20...Qd6!? 21.Qd6 Bd6+=) 21.Rb5+= Bd6? (21...g5 22.Ng5 Bd4 23.Qd4 fg5 24.Rf8 Kf8 25.Ra5 Qc2 26.Qf6 Ke8 27.Rd5 Qb1 28.Kg2 Qe4 29.Bf3 Qe6+-) 22.Qh6+- Qc7?? (22...Rf7 23.Ra5 Qc2+-) 23.Ng5! (23.Rd5?! Bf4 24.Ng5 Bg5 25.Rg5 d5+/-) 23...Bh2 (23...fg5 24.Qg7) 24.Kh1 d6 25.Bf3 (25.Qh2 fg5 26.Rf8 Kf8+/-) 25...Bg4 (25...Be6 26.Ne6 Bf4 27.Qf8 Rf8 28.Nc7 Be5 29.Bd5 Kh8 30.Be5 de5 31.Ra5 Rc8+-) 26.Bd5 (26.Kh2?! Bf3 27.Nf3 Nc6+/-; 26.Qh2?! Bf3 27.Nf3 Rae8+/-) 26...Be6 27.Be6 Rf7 28.Qh7 Kf8 29.Qh8 Ke7 30.Bf6 (30.Nf7 Rh8 31.Nh8 Be5 32.Be5 Qc6 33.Bd5 Qb5 34.Bf6 Kd7+/-) 30...Rf6 31.Qf6 (31.Qa8 Rf1 32.Kh2 Qc6=) 31...Ke8 32.Qf8 1–0. orane (2050) – Caissa (1840), Live Game Caissa's Web, 2004.

12.0-0 0-0 13.g4 ef4 14.Nc3 Nb4 15.Nd5 Nd5 (15...Nc2 16.Rac1 Nb4 17.Qh6+/-) 16.ed5 c6 17.Qh6 Qb6 18.Bd4 Bc5 19.Qf4 cd5 20.Rab1 Qc6 (better is 20...Qd6!? 21.Qd6 Bd6+=) 21.Rb5+= Bd6? (21...g5 22.Ng5 Bd4 23.Qd4 fg5 24.Rf8 Kf8 25.Ra5 h6 26.Qh8 Ke7+-) 22.Qh6+- Bh2? (22...Rf7 23.Ra5 Qc2+-) 23.Nh2 (23.Kh2?! Qc7 24.Kg1 Nc6+-; 23.Qh2?! b6 24.Rbb1 d6+-) 23...b6 24.Rf6!! Rf6 (24...Qf6 25.Bf6) 25.Bf3 Qb5 (25...Rf7 26.Bd5 Qd5 27.Rd5 Nc6+-) 26.Bf6 Qc5 27.d4 Kf7 28.Qg7 Ke6 29.dc5 Bb7 30.Qe7 1–0. orane (2140) – Caissa (1925), Live Game Caissa's Web, 2004.

12.0-0 0-0 13.g4 ef4 14.Nc3 Nb4 15.Qh6 Nc2 (better is 15...d5 16.ed5 Bg4 17.Qf4 Bf5-/+) 16.Rac1+= Nb4 17.Nb5 Rf7 (17...Na2? 18.Ng5 Rf7 19.Nf7+-) 18.Nc7 (18.Rc7? a6 19.Rc8 Rc8-+) 18...Rb8 19.Qf4 d6 (better is 19...Nac6+/-) 20.Ng5!+- Na2 (20...fg5 21.Qf7) 21.Nf7 Kf7 22.Bf6 Bf6 23.Ra1 Bf5 (23...b6 24.Nd5 Kg7 25.Nf6+- (25.Qf6?! Qf6 26.Nf6 Be6+-; 25.Ra2?! Be6+-)) 24.ef5 (24.gf5?! g5 25.Qf2 Ba1 26.Bh5 Kg8+-; 24.Ra2?! Qc7 25.gf5 g5+-) 24...g5 (24...Ba1?? 25.fg6 Kg6 26.Bd3 Kg7 27.Qf7 Kh6 28.Qh7 Kg5 29.Qh5) 25.Qa4 Ba1 (25...Nc3 26.dc3 (26.Qa5?! Ne2 27.Kh1 Ba1 28.Qa2 d5 29.Nd5 Qd6+=) 26...Qc7 27.Qa5 Qa5 28.Ra5 Bc3 29.Ra4+-) 26.Qa2 (26.Ra1?! Qc7 27.Qa2 Kg7 28.Qa5 Qa5 29.Ra5 a6+-) 26...Ke7 (26...d5 27.Ra1 Qc7 28.Qd5 Kf8 29.Ra5 Rd8+-) 27.f6! Kd7 (27...Bf6 28.Nd5) 28.Qf7 (28.Qa1?! Qc7 29.Bb5 Nc6 30.Qa7 Rf8+-) 28...Kc8 29.Ne6 Qb6 30.Kg2 Bf6 31.Rf6 Nc6 32.Qe8 Nd8 33.Bb5 Ra8 34.Rf8 Qg1 35.Kg1 b6 36.Qd8 Kb7 37.Qa8 1–0. orane (2080) – Caissa (1905), Live Game Caissa's Web, 2004.

12.0-0 0-0 13.g4 ef4 14.Nc3 Nb4 15.Qh6 Nc2 16.Rac1 Nb4 17.Nd5 Nd5 18.Ng5 Rf7 (18...fg5 19.Qg7) 19.Nf7 Qf8 20.ed5 Qf7 21.Qf4 b6 22.Qc7 Bb7 23.d6 Bd8 24.Bc4 Qc4 25.Rc4 (worse is 25.Qc4 Nc4 26.Rc4 Ba6-/+) 25...Bc7 26.Rc7 Bc6 27.Bf6 Nb7 28.Be5 Nc5 29.d4 Na6 30.d5 Bb5 31.Rfc1 Nc5 (better is 31...Nc7 32.dc7 Ba6+-) 32.Bd4 Ne4 33.a4 Ba4 34.Ra1 Bb5 35.Raa7 Ra7 36.Ra7 Nd6 37.Bb6 Kf7 38.Bd4 Ke7? (38...h5+-) 39.Bc5 Bc4 40.Ra3 Bd5 41.Re3 Kf6 42.Bd6 Be6 43.h3 h5 44.gh5 gh5 45.h4 Kf5 (45...Kg6 46.Re5+-) 46.Re5 Kg4 (46...Kg6 47.Rg5 Kf6 48.Rh5+-) 47.Rg5 Kf3 48.Rh5 Kg4 (48...Bc4 49.Rg5 Ke3 50.h5+-) 49.Rh8 (better is 49.Rg5 Kh4 50.Be7 Bb3+-) 49...Kf5 (49...Bf7 50.Kf2+-) 50.h5 Bd5 (50...Bc4 51.h6 Be6 52.Kf2+-) 51.Rh7 Ke6 (51...Bc4 52.Rg7 Bd3 53.h6+-) 52.Bf8 Bc4 (52...Ba2 53.Re7 Kd5 54.h6+-) 53.Re7 Kf6 54.h6 Bd3 55.Rd7 Bf5 56.h7 Bh7 57.Rh7 Ke5 58.Bg7 Ke6 59.Kf2 Kf7 (59...Kf5 60.Bb2+-) 60.Bd4 Ke6 61.Rh5 Kd6 62.Kf3 Ke6 63.Kf4 Kd6 64.Ke4 Ke6 65.Rh6 Ke7 66.Kf5 Kd7 67.Ke5 Kc7 68.Kd5 Kd7 69.Rh7 Kd8 70.Ke6 Kc8 71.Kd6 Kb8 72.Kc6 Kc8 73.Rh8 1–0. orane (2160) – Caissa (1820), Live Game Caissa's Web, 2004.

12.f5 0-0!? 13.fg6 hg6+=.

12.f5 Nb4? 13.fg6+/- Nc2 (13...d5!? 14.Na3 de4+/-) 14.Kd1+- d5 (14...Na1 15.g7 Kf7 16.gh8B Qh8 17.Ba1 Qg7+-) 15.Kc2 de4 16.Qh5 ef3 (16...Kf8 17.Qh6 Kg8 18.Ne5+-) 17.g7 Kd7 18.gh8Q (18.gh8B?! fe2 19.Qh7 Kc6+-; 18.gh8N?! fe2 19.Qh7 Kc6+-) 18...Qh8 19.Qf3 Qg8 20.d4 Bd6 (20...Nc6 21.de5 Qg6 22.Kc1 Ne5 23.Rd1 Ke8 24.Qf2+-) 21.Qf6 Qg2 22.Nc3 Be7 (22...Qg6 23.Qg6 hg6 24.de5 Be5 25.Rad1 Bd6 26.Bd3+-) 23.Qf5 Kd8 (23...Ke8 24.Qh7 Nc6 25.Qh5 Kd7 26.Rag1 Nd4 27.Kd1+-) 24.Qh7 Nc4 (24...Qg5 25.Qh8 Kd7 26.Rag1 Qf5 27.Kd1+-) 25.Rag1 Bf5 (25...Ne3 26.Kd3 Qc6 27.Rg8 Kd7 28.Ke3 ed4 29.Kd3 Qa6 30.Kc2+-) 26.Qf5 Ne3 27.Kd3 Qg1 (27...Nf5?? 28.Rg2 ed4 29.Ne4+-) 28.Rg1 Nf5 29.Rg8 Kd7 30.Ra8 Nd4 31.Bg4 Kc6 32.Re8 Bd6 33.h4 Kb6 (33...b5 34.h5 b4 35.Ne4+-) 34.h5 Nc6 35.h6 Ne7 36.Re7! Be7 37.h7 (better is 37.Nd5 Ka5 38.Ne7 c5+-) 37...Bd6 38.h8Q Ka5 39.Qe8 a6 40.Nd5 Bb4 41.Bd1 b5 42.Be5 Bc5 43.Bc7 Bb6 44.Bb6 1–0. orane (2050) – Caissa (1855), Live Game Caissa's Web, 2004.

9.f5 gf5-/+

10.Qh5 Ke7 11.ef5 Qg8 12.a3 Bc5 13.g4 Nc4-/+.

10.Qh5 Ke7 11.ef5 Qg8 12.a3 Qg2 13.Bf3 Bd2 14.Nd2+/-.

10.Qh5 Ke7 11.ef5 Qg8 12.Nf3 Nc4 (12...Qg2?? 13.Rg1 Qg1 14.Ng1+-) 13.Bc3 Bc3 (13...d5 14.Rf1+=) 14.Bc4 (14.Nc3 Na3 (14...Qg2 15.Rg1 Qg1 16.Ng1+-) 15.0-0-0 b5= (15...Qg2 16.Rhg1 Qf2 17.Ng5+-)) 14...Qc4+= (14...Qg2?? 15.Qf7 Kd6 16.Nc3 (16.Qf6?! Kc5 17.Rg1 Qf3 18.Nc3 Kc4+-) 16...Qf3 17.Bd5 Qc3 18.dc3+-) 15.Nc3 d5 16.Rb1 d4 17.Qh4 Qf7 (17...Bf5 18.Rb7 Rab8 19.Rb8 Rb8 20.Kf2-/+) 18.Ne4 Rf8 19.a3 (19.Rb2 Bf5 20.Rb7 Qc4 21.Rc7 Kd8=) 19...Qc4 20.Qh7 Rf7 21.Qh4 Qc2 22.0-0 Bf5 23.Rb7 Qe4 (23...Be4? 24.Rc7 Ke6 25.Rf7 Kf7 26.Ng5 Ke8 27.Ne4+- (27.Qe4?! Qe4 28.Ne4 d3+/-)) 24.Rc7 Ke8 25.Qe4 Be4 26.Rf7 Kf7 27.Ng5 Kg6 28.Ne4 f5 29.Nd6 Ne7 30.Rb1 a6 (30...Kf6 31.Rb7+=) 31.Rb6= Nd5 32.Rc6 Ne7 33.Rb6 Nd5 34.Rc6 Ne7 35.Rb6 Nd5 ½–½. orane (2100) – Caissa (1900), Live Game Caissa's Web, 2004.

10.Qh5 Ke7 11.ef5 Qg8 12.Nf3 Qg2?? 13.Rg1 Qg1 14.Ng1+-.

10.Qh5 Ke7 11.ef5 Qg8 12.g3? Nc4-+ 13.Bc3 (13.Bc4 Qc4 14.Nc3 Bc3 15.Bc3 b5-+) 13...Bc5 14.Nf3 (14.Nh3 b5 15.Nf2 Bb7-+) 14...d5 (14...b5 15.Rf1-+) 15.Bc4 dc4 16.Bb2 Nb4 (16...Qf7 17.Qg4 Nb4 18.Na3-+) 17.Kd1 (17.Na3 Qd5 18.Kf1 Bd7-+) 17...Qf7 18.Qf7 Kf7 19.Nh4 Rd8 (19...b6 20.Re1-+) 20.Nc3 b6 21.Re1 Bb7 22.Na4 (22.Ne4 Na6-+) 22...Bf8 23.Nc3 (23.a3 Bh6 24.Re2 Nc6-+) 23...Bh6 24.Re2 (24.Bc1 Rd7-+) 24...Bg5 25.a3 Na6 26.Rf2 (26.Kc1 Rd7-+) 26...Nc5 27.Rb1 (27.Ke1 Rd6-+) 27...Rd4 28.Nb5 (28.Ng2 Rad8 29.Bc1 Bc6-+) 28...Rd7 29.Nc3 Rad8 30.Bc1 Bh4 31.gh4 Rg8 32.Rf1 (32.Ke2 Ne4 33.Ne4 Be4-+) 32...Rd4 33.h5 (33.a4 Rh4 34.Ba3 Ne4 35.Ne4 Be4-+ (worse 35...Re4 36.Bc5-+)) 33...Bg2 34.Rf2 Rh4 35.Rb4 (35.Bb2 Ne4 36.Ne4 Bf3 37.Rf3 Rg1 38.Ke2 Re4 39.Kf2 Rb1-+) 35...a5 36.Rb1 (36.Rb5 Rh2 37.Rc5 bc5-+) 36...Rh2 37.Ke1 (37.Ke2 Rg3 38.Bb2-+) 37...Nd3! 38.cd3 cd3 (38...cd3 39.Rf1 Bf1 40.Kf1 Rh4-+) 0–1. Rosner,Dirk – Luzuriaga,Norberto Horacio, corr or01–008 E–mail, 2001.

10.Qh5 Kf8 11.Nf3 fe4 12.Ne5 fe5?? (better is 12...Ne5 13.Be5 Be7= (worse is 13...fe5 14.0-0 Qf6 15.Rf6 Ke7 16.Qg5 c6 17.Rc6 Kf8 18.Qf6 Kg8 19.Bh5 Bc5 20.Rc5 d5 21.Qf7)) 13.0-0 Ke7 14.Nc3 Bc3 (14...Rf8 15.Qh7 Kd6 16.Qh6 Kc5 17.Rf8 Qe7 18.Ne4 Kb6+-) 15.Ba3 Bb4 (15...Nb4 16.Bb4 c5 17.Bc5 d6 18.Qf7) 16.Bb4 Nb4 17.Qe5 1–0. Rosner,Dirk – Ramirez,Tuco, corr or01–008 E–mail, 2001.

8.Be2 d6

9.a3 Bc5 10.Nf3 Be6 11.Nc3 Nbc6 12.Nd5 0-0 13.Bc3 a6 14.fe5 de5 15.Bb4 Bd6 16.Bd6 cd6=+.

9.c3 Bc5 10.d4 ed4 11.cd4 Bb4 12.Nc3 Nac6 13.a3 Ba5 14.Rd1 d5 15.Kf2 Bc3 16.Bc3 0-0=+.

9.Nc3 Bc5 10.Nf3 Nac6 11.Nd5 0-0 12.Rb1 Nd7 13.fe5 Nde5 14.c3 Nf3 15.gf3 Bb6 16.d4 Ba5=+.

9.Nc3 Be6+=.

9.Nf3 Nac6 10.Nc3 Be6 11.Nd5 Nd7 12.Bc4 Bf7 13.c3 Bc5 14.d4 Na5 15.Bd3 c6 16.dc5 cd5=.

9.f5 0-0 10.fg6 hg6 11.Qh6 Qe8 12.c3 (12.h4!?=) 12...Bc5+= 13.d4 (13.Nf3 Be6+=) 13...Bb6 14.Nd2 Qf7 (14...Nbc6 15.Ngf3=) 15.Nc4 (15.Ngf3 Qg7 16.Qh4 Be6=) 15...Nc4 (15...f5 16.Nb6 ab6 17.de5 de5 18.ef5 Bf5 19.Nf3=) 16.Bc4 Qc4 17.Qg6 Kh8 18.Qh6 Kg8 19.Qg6 Kh8 ½–½. Machete (2210) – IvoWantola (2055), ICC, 2003.

9.f5 Qe7 10.fg6 (10.Nc3!? A) 10...Bc3 11.Bc3 Nbc6 (11...Nac6 12.fg6 Qg7 13.gh7 Rh7 14.Qf2 Qg6=) 12.fg6 Qg7 13.gh7 Rh7 14.Qf2 Qg6=; B) 10...c6 11.Na4 (11.a3 Bc5 12.fg6 Qg7 13.gh7 Rh7 14.Bh5 Kd8+=; 11.fg6+= Qg7 12.gh7 Rh7 13.Qf2 Bc5 14.Qf3 b5+=) 11...d5 (11...gf5 12.a3 Bc5 13.Nc5 dc5 14.Bc3 b6=) 12.fg6 b5 13.a3 Bd6 14.Nc3 d4+=) 10...Qg7+= 11.gh7 Rh7 (worse is 11...Qg2 12.Qg3 (worse is 12.Qf6 Rh7 13.Bf3 Qg8+= 14.Ne2 Nc4-/+) 12...Qg3 13.hg3= Nac6 14.a3 Ba5=) 12.Qf2 (12.Bh5 Ke7 13.Nf3 Nc4 14.Bc3 Qg2-/+) 12...Be6 (12...Bc5 13.Qf3 (13.Qf1-/+ Rh2 14.Rh2 Qg3-/+) 13...Bg1 14.Rg1 Rh2-/+) 13.Nf3 (13.c3 Bc5 14.d4 Bb6=) 13...Nd7 (13...Nc4 14.Bc3 Nc6+= (14...Bc5 15.d4 ed4 16.Bd4+=)) 14.Nc3 (14.c3!? Bc5 15.d4=) 14...Nc5 15.Qf1 (15.Qe3 Qg6 (worse is 15...Qg2 16.Rg1 Qh3 17.Nd5 Bd5 18.ed5+=) 16.g3 Nc6-/+) 15...Qg8 (15...Nc6!?-/+) 16.a3 (16.Nd5 Bd5 17.ed5 Ne4= (worse is 17...Qd5 18.a3 Bd2 19.Nd2+-)) 16...Bc3+= 17.Bc3 Nc4 18.Bd3 Na4 19.Rb1 (19.Qf2!?-/+) 19...Nc3 20.dc3 Ne3 21.Qf2 Ng2 (21...Qg2?! 22.Qg2 Ng2 23.Kf2+=) 22.Kd2 c6 23.Rbg1 (23.Rhg1 Rg7-+) 23...Rg7 24.h4 Nf4 25.Rg7 Qg7 26.h5 Qh6 (26...Nh3 27.Qe2-+) 27.Qe3 0-0-0 28.c4 (28.Qa7 Bg4 29.Qe3 Bh5-+) 28...Rg8 29.Rh2 Bg4 (29...Rg3 30.Bf1-+) 30.Be2 Bh5 31.Ng1 (31.Ne1 Rg6 32.Bd1 Kc7-+) 31...Qg6 32.Bh5 Qg1 33.Qg1 Rg1 34.Be8 (34.Bf3 Rg3 35.Ke3 Nh3-+) 34...Rg2 (34...Kd8 35.Rh8 Ke7 36.Bh5-+) 35.Rg2 Ng2 36.Bh5 Nf4 37.Bg4 Kc7 38.Kc3 Kb6 39.Bc8 Kc7 40.Bg4 d5 41.cd5 cd5 42.ed5 Nd5 43.Kd3 (43.Kd2 Ne7-+) 43...Kd6 (43...b5 44.Bf5-+) 44.Ke4 (44.c4 Ne7-+) 44...b6 45.Bc8 (45.Kd3 Ne7-+) 45...Ne7 46.Bh3 (46.Bb7 f5 47.Kd3 Kc5-+) 46...f5! 47.Kd3 (47.Bf5 Nf5) 47...Kc5 48.Bg2 Nd5 49.Bf1 e4 (49...e4 50.Kd2 f4-+) 0–1. Ziethen – Kuehn, corr, 1984.

9.f5 gf5 10.Qh5 Ke7 11.Nc3 Bc3 12.Bc3+=.

9.f5 gf5 10.Qh5 Ke7 11.Nc3 Be6 12.ef5 Bf7 13.Qh4 Nac6 14.Nf3 Nd7 15.a3 Ba5 16.0-0 Qf8=+.

9.f5 gf5 10.Qh5 Ke7 11.ef5+=.

9.Nh3 Nbc6 10.f5 gf5 11.Qh5 Ke7 12.ef5 Qg8 13.0-0 Kd8 14.Kh1 Qg7 15.c3 Bc5 16.d3 Rg8-/+.

8.Bf1 Nbc6

9.a3 Bc5 10.Nf3 d6 11.Qh6 Qe7 12.Nc3 Nd4 13.Rc1 Nf3 14.gf3 Be6 15.Na4 Bd4 16.c3 Bb6-/+.

9.Bb5 a6 10.Bd3 Be7 11.f5 Kf7 12.a3 Bc5 13.Nc3 Kg7 14.Nd5 Nd4 15.Ne2 Ne2 16.Be2 c6-/+.

9.c3 Be7 10.f5 gf5 11.Qh5 Kf8 12.ef5 d5 13.Bc1 Bd6 14.d3 Ke7 15.g4 d4 16.Qh6 Qf8-/+.

9.Nc3 f5 10.Qd8 Kd8 11.fe5 Ne5 12.Nd5 Bd6 13.ef5 gf5 14.0-0-0 Nac6 15.Nf3 Re8 16.Re1 Nf3=.

9.Bd3 Be7 10.f5 Kf7 11.a3 gf5 12.Qh5 Kg7 13.Qf5 d5 14.Qf2 de4 15.Be4 Nc4 16.Bc3 Qd7=+.

9.Be2 d6 10.Nf3 Be6 11.c3 Bc5 12.d4 ed4 13.cd4 Bb4 14.Nc3 d5 15.f5 g5 16.Qh3 Bf7=+.

9.fe5 Ne5 10.Be2 Be7 11.Nf3 Nac4 12.Bd4 d5 13.ed5 Qd5 14.Nc3 Nf3 15.Bf3 Qd6 16.Nd5 Ne5=+.

9.Nf3 d6 10.c3 Bc5 11.d4 Bb6 12.Nbd2 ed4 13.cd4 0-0 14.d5 Nb4 15.Kd1 Qe8 16.a4 Bd7-/+.

9.f5 gf5 10.Qh5 Ke7 11.ef5 Qg8 12.Nf3 Nc4 13.Bc3 d5 14.Bb4 Nb4 15.Kd1 Qf7 16.Qh3 Nd6-/+.

9.Nh3 d6 10.Nc3 Nd4 11.Rc1 Be6 12.Nd5 Bd5 13.ed5 Nf5 14.Qg4 Bc5 15.Bd3 Qd7 16.Bc3 Bb6=+.

9.Qh6 Bf8 10.Qh4 d6 11.Nf3 Be6 12.Nc3 Bg7 13.f5 Bf7 14.Qg3 Rg8 15.Qh3 Rh8 16.Rb1 Nb4-/+.

8.Bf1 d6

9.a3 Bc5 10.Nf3 Nbc6 11.Nc3 Nd4 12.Nd4 Bd4 13.Qh6 Be6 14.Qg7 Rg8 15.Qh7 Qd7 16.Qd7 Kd7=+.

9.Bb5 Nbc6 10.c3 Bc5 11.d4 ed4 12.cd4 Bb4 13.Nc3 a6 14.Bc6 Nc6 15.d5 Na5 16.a3 Nc4=+.

9.c3 Bc5 10.d4 Bb6 11.Nf3 0-0 12.fe5 de5 13.Nbd2 ed4 14.cd4 Nbc6 15.Rd1 f5 16.Qd8 Rd8-/+.

9.Nc3 0-0 10.Nf3 Nbc6 11.Nd5 Be6 12.Rb1 Bc5 13.Bc3 a6 14.Be2 b5 15.Bd3 Kg7 16.Be2 Rb8-/+.

9.Bd3 Bc5 10.Nc3 Be6 11.Nd5 0-0 12.Bc3 Nbc6 13.Nf3 Kg7 14.Rb1 a6 15.Be2 Qd7 16.g4 Rae8=+.

9.Be2 Bc5 10.Nf3 Be6 11.d4 ed4 12.Nd4 Bd4 13.Bd4 0-0 14.0-0 Nbc6 15.Bc3 Qe7 16.Rf2 Rae8=+.

9.Nf3 Nac6 10.Nc3 Bc3 11.Bc3 Nd7 12.Bb5 Nc5 13.d3 Ne6 14.fe5 fe5 15.Qh6 Bd7 16.0-0 Qe7=.

9.f5 gf5 10.Qh5 Ke7 11.Nc3 Bc3 12.Bc3 Nbc6 13.ef5 Qe8 14.Qh3 Kd8 15.Nf3 d5 16.Rb1 d4-/+.

9.Nh3 Nbc6 10.Nc3 Nd4 11.Rc1 Be6 12.Nd5 Bd5 13.ed5 Nf5 14.Qg4 Bc5 15.Bd3 Qd7 16.Bc3 Bb6=+.

8.Bf1 Be7

9.a3 0-0 10.Nf3 d5 11.ed5 e4 12.Nd4 Qd5 13.Nb5 Qd8 14.Qf2 Nbc6 15.Qe3 f5 16.Nd4 Nd4-+.

9.Bc3 Nbc6 10.f5 gf5 11.Qh5 Kf8 12.ef5 d5 13.Nf3 Bc5 14.a3 Qe7 15.h3 d4 16.Ba5 Na5-/+.

9.Nc3 f5 10.Qh6 d6 11.fe5 de5 12.Nf3 Nbc6 13.ef5 Bf5 14.0-0-0 Qd6 15.Qe3 a6 16.Re1 0-0-0-/+.

9.Be2 d5 10.Qh6 Be6 11.fe5 de4 12.Qg7 Rg8 13.Qh7 Nbc6 14.Bb5 a6 15.Ba4 fe5 16.Ne2 b5-/+.

9.Nf3 0-0 10.Qh6 d6 11.Nc3 Bg4 12.Nd5 Nbc6 13.Bd3 Be6 14.0-0 Rf7 15.a3 Bf8 16.Qh4 Bg7=.

9.f5 gf5 10.Qh5 Kf8 11.ef5 d5 12.Nf3 Nbc6 13.Nc3 d4 14.Ne4 Qd5 15.Qh6 Ke8 16.Bd3 Qf7-/+.

9.Qg3 Nbc6 10.Nc3 Nd4 11.Rc1 f5 12.Nf3 fe4 13.Ne4 ef4 14.Qf4 Rf8 15.Qe3 Nf3 16.gf3 Bh4-/+.

9.Qh6 Bf8 10.Qh4 d6 11.Nc3 Be6 12.Nf3 Nbc6 13.Be2 Nb4 14.Rc1 Bg7 15.a3 Nbc6 16.0-0 Nc4=+.

7.f4 Bc5

8.Nf3 Na5 9.Be2 d6 10.Nc3 0-0 11.Na4= Nd7 12.a3 (12.Rb1 ef4 13.Qf4 f5=) 12...c6 (12...a6 13.Nc5 Nc5 14.0-0=) 13.Bc3 (13.Rb1 b5 14.Nc5 Nc5+= (worse is 14...dc5 15.fe5 fe5 16.Qd8 Rd8 17.a4+/-)) 13...Qc7 (13...b5 14.Nc5 Nc5 15.fe5 de5 16.0-0=) 14.f5 gf5 15.ef5 b5 16.Nc5 Nc5 17.d4 Na4 18.Qg4 Kh8 19.Bd2 Rg8 (19...Nb2 20.Bh6 Rg8 21.Qh4+=) 20.Qh4= Rf8 21.de5 (21.0-0 Bf5 22.Ne1 Be6 23.Rf6 Bd5=) 21...fe5 (worse is 21...de5 22.Qb4 Bf5 23.Qa5 Qa5 24.Ba5 Bc2 25.Rc1+=) 22.g4 Nc4 23.Bh6 Qa5 (better is 23...Rf7!?=) 24.Kf1+/- The mate threat is Qe7 24...Rf7 25.Qh5 Threatening mate... how? 25...Qc7? (25...Kg8 26.Ng5 Ne3 27.Kg1 Re7+-) 26.Ng5 (26.Bc4 bc4 27.Ng5 Re7+-) 26...Ne3 27.Kf2 Do you see the mate threat? 27...Re7 28.f6 (28.f6 Bg4 29.Bg4 Ng4 30.Qg4+-; 28.Ke3 Nc3+-) 1–0. pierre – leights, ChessWorld.net, 2005.

8.Nf3 Na5 9.Be2 d6 10.Nc3 Be6 11.Nd5 Bd5 12.ed5 Bb6 13.Rb1=.

8.Nf3 d6 9.Nc3 Na5 10.Be2 0-0 11.Na4 Nd7 12.Rb1 ef4 (12...Rb8 13.a3=) 13.Qf4 Nb6 14.Nc5 dc5 15.Qe3 Qe7 16.Ba3 Re8 17.d3 Na4 18.Qd2 b6 19.c3 Bd7 20.Bd1 Qg7 (20...f5 21.e5=) 21.0-0 Rad8 22.Qc2 (22.Re1 c4=) 22...Bc6+= 23.Be2 b5 (23...f5 24.e5+=) 24.Rbc1 (24.Bc1 c4 25.Be3 a6+=) 24...f5+= 25.ef5 gf5 26.Rf2 f4 27.Nh4 Qg5 28.Nf3 Qh6 29.Nd2 Qg6 30.Bf1 Qf5 31.Nb3 Nb7 32.Qd2 Attacking the isolated pawn on f4 (32.Be2 Re3+=) 32...f3-/+ 33.gf3 Rd6 34.Rg2 Rg6 35.Re1 Re1 36.Qe1 Nd6 37.Rg6 Qg6 38.Kf2 Qf6 39.Bg2 Nc3 40.Bc5 Na2 41.Qd2 Nc3 42.Kg1 Nf5 43.Ba7 Bd5 44.Nc5 Nh4 The pressure on the isolated pawn grows 45.Ne4 Ne4 46.fe4 The passed pawn on e4 will quickly become a dangerous weapon 46...Qa1 47.Kf2 Qa7 48.Kg3 Nf5 (worse is 48...Ng2 49.Qg5 Kf8 50.Qd8 Kg7 51.Qg5 Kf8 52.Qd8 Kg7 53.Qg5 Kf8=) 49.Kf4 Qb6 50.Kf5 Qg6 51.Ke5 Bf7 With the decisive threat Kg7 (51...Bf7 52.Qc1 Qd6 (worse is 52...Qg2 53.Qh6-+) 53.Kf5 Be6 54.Kg5 Qe5 55.Kh4 Qh2 56.Bh3 Qh3 57.Kg5 Qd3 58.Qc7 Qe4 59.Qd8 Kf7 60.Qf6 Ke8 61.Qh8 Kd7 62.Qg7 Kc6 63.Qc3 Kb7-+) 0–1. Reuter,Alfred – Bass,Stanley, WCCF, 2000.

8.Nf3 d6 9.Nc3 a6 10.Nd5+/- Nd7 11.f5 Ne7 12.Qh6 Nd5 13.fg6 Rf8?? (better is 13...N7b6 14.Bd5 Nd5+/-) 14.gh7+- (14.ed5?! hg6 15.Qg6 Rf7+=) 14...Nf4 (14...N7b6 15.Qf8!! Kf8 16.h8Q Ke7 17.Qh7 Ke8 18.Qg6 (18.ed5?! Nc4 19.d4 Bb4 20.c3 Qe7 21.Qg6 Qf7 22.Qf7 Kf7+-) 18...Ke7 19.Qg7 (19.ed5?! Nc4 20.d4 Bb4 21.c3 Qe8 22.Qh7 Qf7 23.Qf7 Kf7 24.cb4 Nb2+-) 19...Ke8 20.Bd5 (20.ed5?! Nc4 21.d4 Bb4 22.c3 Qe7 23.Qg6 Qf7 24.Qf7 Kf7 25.cb4 Nb2+-) 20...Nd5 21.ed5+-) 15.Bg8 f5 (15...c6 16.h8Q Qb6 17.Bc3 Ng2 18.Kd1+-) 16.h8Q Qf6 (16...Qe7 17.Ng5 Ng2 18.Kd1+-) 17.Ng5 (17.Ng5 fe4 18.Q6f6 Nf6 19.Bf7 Ke7 20.Qg7+-) 1–0. bambinik (2525) – YellowMaker (2340), internet, 2003.

8.Nf3 d6 9.Nc3 Nd7 10.Na4 Nb6 11.Nb6 ab6 12.f5 Ke7 13.g4-/+.

8.Nf3 d6 9.f5 Ke7 10.Qh6+=.

8.f5 d5 9.Bd5 gf5 10.Qh5 Ke7 11.Qf7 Kd6=.

8.f5 Ke7 9.Nc3 Na5 10.Be2 c6 11.Nf3 d5 12.Na4 Bd6 13.d4=.

8.f5 Qe7 9.Nc3 Nb4 10.Bb3 Qg7 11.a3 N4a6 12.Nd5 Rf8 13.Qg3+=.

7.f4 d6

8.Nc3 Na5!? 9.Bd3 0-0+=.

8.Nc3 Bc3 9.Bc3 Qe7 10.0-0-0 Be6-/+ 11.Bb3 Bb3 12.ab3 (12.cb3 Na6-/+) 12...a5 13.Nf3 0-0 14.d4 (14.d3 a4 15.ba4 Ra4-/+) 14...Nd7 (14...ed4 15.Nd4 Nd4 (15...Qe4?! 16.Rhe1 g5 17.Re4 gh4 18.Ne6=+) 16.Rd4 Nc6-+) 15.de5 de5 16.f5 Kg7 (16...Rfd8 17.fg6 hg6 18.Qg4-/+) 17.g4 (17.Qg4 Nb6 18.fg6 hg6=+) 17...g5 (17...a4 18.g5 Kg8 19.fg6 hg6 20.gf6 Nf6 21.Rhg1=) 18.Qg3 (18.Qh5 Nc5 19.Rde1 Qe8-/+) 18...a4-/+ 19.h4 h6 20.hg5 hg5 (20...fg5 21.Rd7 Qd7 22.Ne5+-) 21.Rh5 Rh8 (21...ab3 22.cb3 Nc5 23.Qh3=+) 22.Rh8 (better 22.Ng5!? Nc5 23.b4=) 22...Rh8-/+ 23.ba4 Nb6 24.a5 Nc4 (better 24...Na4 25.Rd3 Qa3 26.Kd2 Rd8 27.Be5 Rd3 (27...fe5?! 28.Rd8 Qb4 29.Ke3 Qc5 30.Kd3=) 28.cd3 fe5-+ (worse 28...Ne5 29.Ne5 Qb2 30.Ke1 fe5 31.Qe3-+)) 25.Rd5?? (better 25.Rd3-/+) 25...Qa3-+ 26.Kd1 Qc3 27.Rd7 Kf8 28.Rc7 Rh1 29.Ke2 (29.Qe1 Qf3 30.Kc1 Re1) 29…Qe3 0-1. pacal56 (2195) - mecker (2175), Rated Blitz game, lichess.org, 2014.

8.Nc3 Bc3 9.Bc3=+ Qe7 10.Nf3 Be6 11.Bb3 Bb3 12.ab3 Nd7 13.d3 (13.0-0 Rf8=+) 13...0-0 (13...Rf8 14.fe5 fe5 15.Qg3=+) 14.0-0 a6 15.f5 (15.Rae1 Rae8=+) 15...Qg7 (15...gf5 16.ef5 d5 17.Bd2=+) 16.Kh1 (16.Bd2 g5 17.Qg4 Qf7=) 16...Ne7 (16...gf5 17.ef5 Kh8 18.Rf2=+) 17.g4 (17.Bd2 g5 18.Ng5 fg5 19.Bg5 Nc6=) 17...g5 18.Qg3 d5 19.Kg2 de4 20.de4 Nc5 21.Rfe1 Rad8 22.Bb4 b6 (better 22...Nd7!?=+) 23.Bc5+/- bc5 24.Ra6 Nc8 25.Ra8 (25.Rc6 Nd6 26.Rc5 Ra8+/-) 25...Nb6 (25...c4 26.bc4 Nb6 27.Rd8 Rd8 28.c5=) 26.Rd8 Rd8 27.Qf2 (27.Ra1 Qe7+=) 27...Qe7 28.Qe2 (28.c4 Rd7+=) 28...c4= 29.Rd1 cb3 30.cb3 Rd6 (30...c5 31.Rd8 Qd8 32.h4 gh4 33.Kh3+=) 31.Rc1 Qd8 32.Rc2 Rd3 33.b4 Na4 (better 33...Rd7+=) 34.Ne1?? (better 34.Rc7! Nc3 35.Qc2 Rf3 36.Rc3 Rc3 37.Qc3+=) 34...Rd4=+ 35.Qb5 Nb6 (35...Re4 36.Qa4 Re1 37.Qc6=+) 36.Re2 Rd2 (36...Rc4!?=+) 37.Nf3+= Re2 38.Qe2 Qd6 39.Qc2 (39.Qd2 Nc8+=) 39...Kf7 (39...Qb4 40.Qc7 Qe4 41.Qd8 Kf7 42.Qc7 Ke8 43.Qb8 Ke7 44.Qb6 Qg4 45.Kf2 Qf5 46.Qb7 Kf8 47.Ke2=+) 40.Qb3 Ke7 (40...Kg7 41.Qc3+=) 41.h4 (41.Qg8!?+/-) 41...h6 42.hg5 (42.h5 Qc6 43.Nd2 Qd6=) 42...hg5= 43.Kg3 Nd7 44.Qc4 c5 45.b5 Nb6 46.Qg8 c4 47.Qg7 Kd8 48.Qg8 Kc7 49.Qf7 Kb8 50.Qe8 (50.Qg8!? Kb7 51.Qf7 Kc8 52.Qe8 Kc7 53.Qf7 Kc8 54.Qe8 Kc7 55.Qf7=) 50...Nc8-/+ 51.b6 (51.Qf7 c3 52.Qb3-+) 51...Qb6 52.Qa4? (52.Qe6 Qe6 53.fe6 Kc7-+) 52...Qc5 (52...Nd6 53.Kg2-+) 53.Qc2 (53.Kg2 Nd6 54.Nd2 Qd4 55.Qb4 Kc7 56.Qa5 Kd7 57.Qa4 Ke7-+) 53...Nb6 (53...c3 54.Qb1 Kc7 55.Qg1-+) 54.Nd2? (54.Qc3 Kc7-+) 54...Qd4 (54...Qg1 55.Kh3-+) 55.Nb1? (better 55.Kg2-+) 55...Qd3?? (better 55...Qg1 56.Kf3 Qh1 57.Ke3 Qh3 58.Kd2 Qg4-+) 56.Qd3= cd3 57.Kf3 Nc4 58.Nc3 Kb7 59.Kf2 (better 59.Nd5=) 59...Kc6 60.Ke1 Kc5 61.Nd5 Kd4 62.Nf6 d2 (better 62...Ke3 63.Nd5 Ke4-+) 63.Kd1?? (better 63.Ke2-/+) 63...Kd3 64.Nd5 Nb2 0-1. pacal56 (2185) - mecker (2245), Rated Blitz game, lichess.org, 2014.

8.Nc3 f5 A) 9.Qd8 Kd8 10.Nge2 Re8 11.Nd5 fe4 12.a3 Ba5-/+; B) 9.Qg3 Rf8 (9...Nd7 10.Nd5 Nc5 11.Nb4 Nb4 12.Qc3 Nc6-/+; 9...fe4 10.Nd5 Nd7 11.fe5 de5 12.Nb4 Nb4+=; 9...ef4 10.Qf4 g5 11.Qf3 g4 12.Qe2 Qf6=; 9...Nd4 10.Rc1 Nbc6 11.Nge2 fe4 12.Nd4 ed4-/+) 10.Nd5 fe4 11.fe5 Be6 12.Nc7 Qc7-/+; C) 9.Qh6 Bc3 (9...fe4 10.Qg7 Rf8 11.Nd5 Ba5 12.Qh7 Bf5=) 10.Bc3 Qe7 11.fe5 Ne5 12.Nf3 Nbd7+=.

8.Ne2 Na5 A) 9.Bb3 Bc5 (9...Nb3 10.ab3 Nc6 11.Qh6 Qe7 12.Nbc3 Be6-/+; 9...Nd7 10.c3 Nb3 11.ab3 Bc5 12.d4 Bb6+=; 9...Nbc6 10.Bd5 Bc5 11.a3 h5 12.Rf1 Bg4-/+; 9...Na6 10.0-0 Bc5 11.Kh1 Nb3 12.ab3 Qe7-/+) 10.d4 ed4 11.Bd4 Bd4 12.Nd4 f5-/+; B) 9.Bd5 c6 10.Bb3 Nd7 11.0-0 Nb3 12.ab3 f5-/+; C) 9.Bb5 c6 (9...Bd7 10.Bd7 Nd7 11.f5 0-0 12.Qg3 Kf7+=) 10.Bd3 Nd7 11.Bc3 Bc3 12.Nbc3 Nc5-/+; D) 9.Bd3 a6 (9...Bc5 10.Nbc3 h5 11.f5 g5 12.Qh3 Bd7+=; 9...Nbc6 10.Qh6 Be6 11.Qg7 Rg8 12.Qh7 Bc5+=; 9...c6 10.Bc3 Bc3 11.Nbc3 h5 12.f5 g5+=; 9...Nd7 10.Nbc3 c6 11.f5 0-0 12.fg6 hg6+=) 10.Nbc3 h5 11.Nd5 g5 12.Qg3 h4-/+.

8.Ne2 a6 9.Bd5= Bd7 (better is 9...Bc5!?=) 10.0-0+/- Bc5 11.Kh1 Qe7 12.Nbc3 Be6? (better is 12...h5!? 13.fe5 fe5 14.Bf7 Kd8+/-) 13.fe5+- fe5 (13...f5 14.Qe7 Ke7 15.Be6 Ke6+-) 14.Rf6 Bd5 (14...Bg8 15.Bg8 Rg8+-) 15.Nd5 (15.ed5?! Nd8 16.Raf1 Nd7+-) 15...Qd8 16.Qh6 Nd7 (16...Ne7 17.Raf1 Kd7+-) 17.Re6 (17.Re6 Qe7 18.Re7 Ne7 19.Nc7 Kd8 20.Na8+-) 1–0. Fritz11 – jumbo, casual, 2013.

8.Ne2 Bc5 A) 9.Nbc3 Na5 (9...Nd7 10.f5 Nb6 11.Bb3 Ke7 12.Nd5 Nd5+= ; 9...a6 10.Qh6 Nb4 11.Bb3 Qd7 12.a3 N4c6+= ; 9...f5 10.Qh6 Na5 11.Bd3 Nbc6 12.Qg7 Rf8+/-) 10.Bb3 Nb3 11.ab3 h5 12.Qg3 g5-/+; B) 9.Bb3 f5 (9...Nd7 10.f5 Qe7 11.Nbc3 Qg7 12.Nd5 Kd8+= ; 9...h5 10.Rf1 Rh7 11.fe5 g5 12.Qg3 de5+= ; 9...Na5 10.d4 ed4 11.Bd4 Bd4 12.Nd4 f5-/+; 9...Na6 10.f5 gf5 11.Qh5 Kd7 12.Qf5 Ke7+=) 10.Qd8 Kd8 11.Nbc3 Re8 12.fe5 de5-/+; C) 9.Qh6 Nb4 (9...Qe7 10.Nbc3 Na5 11.Nd5 Qf7 12.Bb5 c6-/+ ; 9...Qd7 10.Nbc3 Na5 11.Bd3 Rf8 12.Qh4 Qf7+=; 9...Na5 10.Qg7 Rf8 11.Bg8 Qd7 12.Qh7 Qh7=) 10.Na3 Qe7 11.Rb1 c6 12.c3 N4a6-/+; D) 9.a3 f5 (9...Na5 10.Ba2 h5 11.Qg3 Rh6 12.Nbc3 h4+= ; 9...Nd7 10.f5 Nb6 11.Bb3 Ke7 12.Rf1 Qf8+=; 9...h5 10.Qg3 g5 11.fg5 fg5 12.Rf1 Bg4=; 9...a6 10.f5 gf5 11.Qh5 Kd7 12.Qf5 Ke7+=) 10.Qd8 Kd8 11.Bd5 Re8 12.fe5 de5-/+; E) 9.f5 Na5 10.Bd3 gf5 11.ef5 d5 12.Qh5 Kd7+=.

8.Nf3 Bc5 9.Nc3 Nd7 (9...Na5 10.Be2 a6 11.Rb1 Nbc6 12.f5 Kf7+=) 10.Na4 Nb6 11.Nb6 ab6 12.f5 Ke7-/+.

8.Nf3 Bc5 9.f5 Na5 (9...Nb4 10.fg6 Nc2 11.Kd1 d5 12.Bd5 Na1+-; 9...Ke7 10.Nc3 Na5 11.Be2 gf5 12.d4 ed4=) 10.Be2 gf5 11.Qh5 Ke7 12.ef5 Qg8-/+.

8.Nf3 Bc5 9.Qh6 Qe7 (9...Nb4 10.Kd1 Qe7 11.c3 N4c6 12.d4 Bb6-/+; 9...Qd7 10.Nc3 Na5 11.Be2 Rf8 12.Qh4 Nbc6+=) 10.Nc3 Nb4 11.Rc1 c6 12.Na4 b5-/+.

8.Nf3 ef4?? 9.Bf6+- Qd7 10.Bh8 Ne7 (10...Qe7 11.Qf4 Nd7 12.0-0+-) 11.Qh7 Kd8 12.Bf6 d5 (12...c6 13.Qg6 d5 14.a3+-) 13.Ne5 (13.Ne5 Qe8 14.Bd5+-) 1–0. mrkt – Caligula, myChess.de, 2005.

8.f5 Ne7 9.a3 Bc5 10.Qf6 Rf8+=.

8.f5 Ne7 9.c3 Ba5 (9...Bc5 10.d4 ed4 11.cd4 Bb4 12.Bc3 Bc3=) 10.Qf6 Rf8 11.Qh4 gf5 12.Qh7 Qd7+=.

8.f5 Ne7 9.Qf6 Rf8 10.Qh4 gf5 11.Qh5 Ng6 12.Qh7 Qg5+=.

8.f5 Ne7 9.Nh3 Nd7 (9...gf5 10.Qh5 Ng6 11.a3 Ba3 12.Na3 fe4 13.Bd5+/-) 10.c3 Ba5 11.0-0 Nb6 (11...c6 12.Nf2+=) 12.Bb3 (12.Be6 Na4 13.Qf6 Rf8-+) 12...gf5+= 13.Qh5 Kd7 14.ef5 (14.ef5 d5 15.Qh4+=). Pietrzak,Janusz – Ulfig,M, corr Poland, 1990.

8.f5 Rf8 9.Qh7 gf5 10.Qh5 Ke7 11.Qh7 (worse 11.ef5 Qd7 12.a3 Ba5=+) 11...Ke8 12.Qh5 Ke7 13.ef5 Qe8 14.Qh7 Kd8 15.Nc3 Bc3 16.Bc3 Nd4 (better 16...Ne7 17.Be6 Be6 18.fe6 Nd5-/+) 17.Bd4+/- ed4 18.Kf1 Nc6 19.Re1 Ne5 20.Nf3 Qe7 21.Qe7 Ke7 22.Be6 (22.Kf2 Bf5 23.Nd4 Bg6+=) 22...c5 (22...Be6 23.fe6 c5=+ (worse 23...Ke6 24.Nd4 Kd7 25.Nf5=)) 23.Bc8= Rac8 24.g4 Rg8 25.h3 Kd7 26.Ne5 de5 27.Rb1 b6 28.Ke2 Kd6 29.d3 Kd5 30.a4 e4 31.de4 Ke4 32.Rhe1 Kd5 33.Kf3 Rce8 34.h4 Re1 35.Re1 c4 36.Re7 a6 37.Kf4 White plans g5 37...b5 38.ab5 ab5 39.g5 fg5 40.hg5 b4 41.f6 b3?? (better 41...d3 42.cd3 c3+- (42...cd3?? 43.f7 Rh8 44.g6+-)) 42.cb3+- c3 (42...cb3 43.f7 Ra8 44.Re8+-) 43.f7 Rf8 44.g6 c2 (44...Kd6 45.Re4 c2 46.Re1+-) 45.Rc7 d3 46.Ke3 Rh8 (46...Kd6 47.Rc4 d2+-) 47.Kd3 (47.g7 Rh3 48.Kd2 c1N 49.Rc1 Kd4 50.Rc4 Ke5 51.f8Q Rh2 52.Kc3 Rc2 53.Kd3 Rd2 54.Kd2 Ke6 55.g8Q Ke5 56.Qf4) 47...Kd6 48.Rc2 (48.g7 Rh3 49.Kc2 Rh2 50.Kc3 Rh3 51.Kb4 Kc7 52.f8Q Rh4 53.Kc5 Rh5 54.Kd4 Kb7 55.Qf7 Kc6 56.Qh5 Kd6 57.Qg6 Kc7 58.g8Q Kb7 59.Qd6 Ka7 60.Qgb8) 48...Ke6 (48...Ke7 49.Re2 Kf6 50.f8Q Rf8 51.Rf2 Kg7 52.Rf8 Kf8 53.Ke4 Kg7 54.Kf5 Kf8 55.Kf6 Ke8 56.g7 Kd7 57.g8Q Kc6 58.Qc4 Kb7 59.Qd5 Ka6 60.Ke6 Ka7 61.b4 Ka6 62.Kd7 Kb6 63.Kc8 Ka6 64.Qb7) 49.Rf2 Ke7 50.g7 (50.g7 Rh3 51.Ke2 Kd7 52.f8Q Rc3 53.g8Q Rc2 54.Kd3 Rd2 55.Rd2 Kc6 56.Qb8 Kc5 57.Rc2) 1-0. Butterbrot (2085) - Biolog (2055), Rated Blitz game, lichess.org, 2015.

8.f5 Rf8 9.Qh7 g5? 10.Nc3+- (10.Nc3 Bc3 11.Qg6 (worse 11.dc3 Na5 12.Qg6 Kd7 13.Bb5 c6+/-) 11...Kd7 12.Bc3+- (12.dc3?! Na5 13.Bb5 c6+=)) 1-0. carlos78 (2360) - TheWintermute (2025), Rated Blitz game, lichess.org, 2015.

8.a3 Ba5

9.Ne2 A) 9...Bb6 10.f5 (10.Nbc3 f5 11.Qd8 Kd8 12.Rf1 Re8 13.Bf7-/+; 10.Qh6 Qe7 11.Nbc3 Qf8 12.Qh4 Nd7 13.Nd5=) 10...Na5 11.Ba2 gf5 12.Qh5 Kd7 13.Rf1=; B) 9...f5 10.Qh6 (10.Qd8 Kd8 11.Rf1 fe4 12.fe5 de5 13.Nbc3-/+; 10.Qg3 fe4 11.fe5 d5 12.Ba2 Rf8 13.Nbc3-/+) 10...fe4 11.fe5 d5 12.Rf1 Bf5 13.Rf5=.

9.Nf3 a6 10.f5 (10.0-0 Nd7 11.f5 Qe7 12.fg6 Qg7 13.gh7+=; 10.Nc3 b5 11.Bb3 Nd7 12.Bd5 Bb7 13.f5+=; 10.Qh6 Qe7 11.0-0 Bb6 12.Kh1 ef4 13.Qf4+=) 10...Qe7 11.fg6 Qg7 12.gh7 Rh7 13.Qf2+=.

9.Nf3 Bb6 10.Nc3 (10.f5 gf5 11.Qh5 Kd7 12.Nh4 Qe8 13.Qf5=) 10...Na5 11.Ba2 c6 12.Na4 Bc7 13.f5=.

9.Nf3 Qd7 10.0-0 (10.Nc3 Bc3 11.Bc3 Qg4 12.Qg4 Bg4 13.Rb1+=; 10.Rf1 Qg4 11.Qg4 Bg4 12.h3 Bf3 13.Rf3+=; 10.h3 Qe7 11.Nc3 ef4 12.Qf4 Bc3 13.Bc3=; 10.fe5 fe5 11.Rf1 Qe7 12.Qe7 Ne7 13.Bf7+=) 10...Qg4 11.Qf6 Rf8 12.Qg7 Bb6 13.Kh1=.

9.Nf3 Nd7 10.0-0 (10.f5 Ne7 11.fg6 Ng6 12.Qh5 c6 13.Rf1+=; 10.Qh6 Qe7 11.Nc3 Nd4 12.Nd5 Nf3 13.gf3+=; 10.Nc3 ef4 11.Qf4 Nce5 12.Ne5 de5 13.Qh6+=; 10.Bd5 Bb6 11.f5 Nf8 12.Rf1 h5 13.Nc3-/+) 10...Nc5 11.f5 Bb6 12.d4 ed4 13.fg6+=.

9.Nf3 Qe7 10.0-0 Bb6 11.Kh1 Be6 12.Be6 Qe6 13.Nc3+=.

9.Nf3 Qe7 10.Nc3= Bc3 11.Bc3 Be6 12.Bb3 (12.Be6!? Qe6 13.Rb1=) 12...Bb3-/+ 13.cb3 Nd7 14.0-0 (14.b4 d5 15.ed5 ef4 16.Kf1 Nce5=+) 14...Nc5 15.fe5 (15.b4 Ne4 16.fe5 Nc3 17.ef6 Ne2 18.Kh1 g5 19.Ng5 Qe5 20.Qh5 Kd7 21.Qg4 Ke8+-) 15...de5 (15...fe5 16.Qe7 Ne7 17.Ng5=+) 16.d4? (better 16.b4!? Nd3 17.Ne1 Ne1 18.Rae1=+) 16...Nb3-+ 17.Rad1 ed4 (17...0-0-0 18.Qf2 ed4 19.Nd4 Nbd4 20.Bd4 Nd4 21.Rd4 Qa3 22.Rc4-+) 18.Nd4-/+ Nbd4 19.Bd4 Nd4 20.Rd4 0-0 (20...Qa3? 21.Qf6 Rf8 22.Qe5 Qe7 23.Rf8 Kf8 24.Qh8 Kf7 25.Qa8+-) 21.Kh1 (21.e5 c5 22.Rd6 Qe5-/+) 21...Rad8 (21...Qa3?! 22.Rd7 h5 23.Qf4-/+) 22.Rfd1 (better 22.Rd8 Rd8 23.Re1-+) 22...Rd4 23.Rd4 Rd8 24.Rd8 Qd8 25.h3 (25.Qg4 Kg7-+) 25...Qd1 26.Kh2 Qd6 27.Kh1 Kg7 (27...Qa3?! 28.Qf6 Qc1 29.Kh2-+) 28.Qg4 c5 (28...Qa3 29.Qd7 Kh6 30.Qd4-+) 29.Qc8 Qe7 30.Qb8 a6 31.a4 (31.Qc8 h5-+) 31...Qe4 32.Qc7 Kh6 33.Qc5 Qe1 34.Kh2 Qe5 35.Qe5 fe5 (35...fe5 36.a5 Kg5-+) 0-1. pacal56 (2230) - mecker (2260), Rated Blitz game, lichess.org, 2014.

9.Nf3 Qe7 10.Nc3 ef4 11.Nd5 Qe4 12.Kd1 Qc4 13.Re1+=.

9.f5 Ke7 10.Nh3 (10.Qg3 Qe8 11.Nf3 Kd8 12.Qh4 Qf8 13.Rf1+=; 10.Ne2 Nd7 11.0-0 Qf8 12.Nbc3 Kd8 13.Be6+=) 10...Nd7 11.Rf1 Qf8 12.Nc3 Kd8 13.Nd5+=.

9.f5 Ne7 10.Qf6 Rf8 11.Qh4 gf5 12.Qh7 Qd7+=.

9.f5 gf5 10.Qh5 Kd7 (--> 8.f5 gf5 9.Qh5 Kd7 10.a3 Ba5).

9.f5 g5?? 10.Qh5 Kd7 11.Be6 Ke7 12.Qf7 Normal 1-0. carlos78 (2235) - benitares (2060), Rated Blitz game, lichess.org, 2015.

9.f5 Qe7

10.Nc3 Bc3 11.Bc3 Nd4 (11...Qg7!? 12.g4 Nd7=+) 12.Bd4= ed4 13.Ne2 Nc6 (13...g5 14.Qh5 Kd8 15.d3=) 14.0-0 (14.fg6 Qg7 15.Bf7 Ke7=) 14...g5 (14...Ne5 15.Bd3 Rg8 16.Nd4=) 15.Qh5+= Kd8 16.Bd5 Bd7 17.Qf3 Ne5 (17...Qe5 18.Qf2+=) 18.Qb3 Rb8 (18...d3 19.Qb7 Rc8 20.Nc3+-) 19.Nd4+- c6 (19...Re8 20.Rab1 c5 21.Nb5 Bb5 22.Qb5+-) 20.Ne6 Be6 21.Be6 h5 (21...c5 22.c3+-) 22.d4 Ng4 (22...Nd7 23.Qa4 Ra8 24.Rab1+-) 23.Qc3 (23.c4 b6+-) 23...h4 (23...Qc7 24.h3 Nh6 25.Rab1+-) 24.Rab1 (24.Rfe1 Rf8+-) 24...Qc7 25.Rfe1 Ke7 (25...b5 26.h3 Nh6 27.d5+-) 26.h3 Nh6 27.e5 de5 (27...g4 28.hg4 Kd8 29.Qh3+-) 28.de5 fe5 (28...b6+-) 29.Re5 Kf8 (29...Nf7 30.f6 Kf8 31.Bf7+-) 30.Rd5 Rh7 31.Qf6 Nf7 32.Rd7 Qd7 33.Bd7 Rh6 34.Qd4 Rd8 (34...b6 35.Be6 Re8 36.Qg4+-) 35.Rb7 (35.Rb7 Kg8 36.Qe3 Rd7 37.Qe8 Kg7 38.Qd7+-) 1–0. Kamilsson – Pointer, internet, 2020.

10.Nc3 gf5 11.Nd5 Qg7 12.Nf6 Kd8 13.Nf3+=.

10.Ne2 gf5 11.Qh5 Kd8 12.ef5 Nd7 13.Nbc3 Nb6 14.Nd5 Qe8 15.Qh4 (better is 15.Qe8!? Re8 16.Nb6 Bb6 17.g4-/+) 15...Nc4-+ 16.Qc4 Bf5 17.Nf6 Qg6 18.Qh4 Bc2 19.0-0 Bf5 20.d4 Bb6 21.Kh1 h6 (21...Kc8 22.Rf5 Qf5 23.Ng3=) 22.Ng3 Bd3 23.Rf3 Bb5 24.a4 Ba4 25.de5 Bc2 26.ed6 (26.ed6 Qg5 27.Qh3+-) 1–0. Roldan,Antonio Jose – Eberly,Tim, IECC, 1999.

10.g4 Nd4 11.Kd1 b5 12.Bd3-/+ (12.Ba2 Bb7 13.d3-/+) 12...gf5 13.Bd4-/+.

10.g4 Nd4 11.Kd1 Nd7 12.c3 (12.fg6 Qg7 13.Bd4 hg6-/+) 12...Nb6-/+ 13.Ba2 Nc6 14.Nf3 Na4 15.Kc2 (15.Bc1 Qg7-/+) 15...Qg7 16.Rf1 Nb2 17.Kb2 Bd7 18.d3 0-0-0 19.Nbd2 g5 20.Qg3 Bb6 21.Nc4 Bc5 22.Rae1 (22.Rad1 b5 23.d4 ed4 24.cd4 Nd4 25.Nd4 bc4 26.Bc4 Rde8+=) 22...h5 23.gh5 d5 (23...Rh5 24.h4-/+) 24.ed5 Ne7 25.Nfe5 Nf5 (25...fe5 26.f6 Qh6 27.fe7 Be7 28.Re5+=) 26.Rf5 Bf5 27.d4 Bd4 (27...Bf8 28.Qf3 Qh7 29.Rf1 fe5 30.Qf5 Qf5 31.Rf5 ed4 32.Rg5-+) 28.cd4 fe5 29.Ne3 Bd7 30.de5 Rh5 31.Ng4 (31.Nc4 Rdh8 32.Re2 Bb5-+) 31...Rdh8 32.Re2 Bg4 (32...Bg4 33.Qg4 Kb8-+) 0–1. Roldan,Antonio Jose – Ampiainen,Jesper, IECC, 1998.

10.g4 Nd4 11.Kd1 Rf8 12.c3+=.

10.g4 Rf8 11.Qh6 (11.Nc3+=) 11...Nd7 (better is 11...Nd4!? 12.Kd1 Nbc6-/+) 12.fg6= hg6 13.Qg6 Kd8 14.Ne2 Nb6 (14...Rh8!?-/+) 15.Ba2 Na4 16.Bc3 Bb6 17.Ng3 Be6 (17...Rh8 18.Nf5 Bf5 19.Qf5 Nc3 20.dc3+=) 18.Nf5 (18.Be6 Qe6 19.Qf5 Qc4=) 18...Qf7 (18...Bf5 19.Qf5 Nc3 20.Nc3 Nd4-+) 19.Qf7+/- Bf7 20.Bf7 Rf7 21.Ra2 (21.h4 Nc3 22.Nc3 Nd4+/-) 21...Kd7 (21...Ne7 22.h4+=) 22.h3 (22.h4!?+/-) 22...Rh7= 23.Kf1 (23.Rh2 Ne7 24.Ne7 Ke7+=) 23...Rg8 24.Kg2 Nd8 (24...Ne7 25.Ne7 Ke7 26.d3=) 25.d3 Ne6 26.Bd2 c6 27.Kf3 (27.Kg3 d5=) 27...Nd4 28.Nd4 ed4 29.Bf4 Rgh8 30.Kg3 Ba5 31.Kg2 Ke6 32.Ra1 b5 33.Kg3 a6 34.Bd2 (34.Nd2 Bd2 35.Bd2 Rh4=) 34...Bc7 35.Bf4 Ba5 36.Bd2 Bc7 37.Bf4 Ba5 38.Bd2 Bb6 39.Bf4 c5 (39...Rh4 40.Nd2 Nc3 41.Rae1=) 40.Rh2 (40.Nd2 d5=) 40...Ba5 41.Bd2 (41.Nd2 Bc3 42.Re1 Bb2=) 41...Bb6 42.Bf4 Ba5 43.Bd2 (43.Nd2 Bc3 44.Rf1 Bb2=) 43...Bc7+= 44.Bf4 c4 (44...d5 45.Bc7 Rc7 46.Nd2+=) 45.dc4 (45.Nd2 d5 46.Bc7 Rc7 47.ed5 Kd5 48.dc4 bc4+=) 45...bc4 46.Nd2 Nc5 47.Nc4 (better is 47.Rd1!?=) 47...Ne4-/+ 48.Kg2? (48.Kf3 Rh3 49.Rh3 Rh3 50.Ke4 d5 51.Kd4 Bf4 52.Re1 Kf7 53.Kd5+/-) 48...d5-+ 49.Bc7 Rc7 (49...dc4?! 50.Re1 Kd5 51.Bf4+=) 50.Na5 Rc2 51.Kg1 Rc3 52.Rb1 Rg3 53.Kf1 Rf3 54.Kg2 Rg3?? (54...Ra3 55.Rb6 Ke5 56.Ra6-+) 55.Kf1 Rf3?? (55...Ra3 56.Rb6 Ke5 57.Ra6-+) 56.Kg2 Rg3?? (56...Ra3 57.Rb6 Ke5 58.Ra6-+) 57.Kf1 Rhh3 (57...Ra3 58.Rb6 Ke5 59.Ra6-+) 58.Rb6 Ke5 59.Nc6 Kf4 The mate threat is Rxh2 60.Rh3 Rh3 61.Nd4 Ra3 62.Ne6 (62.Nc2 Rf3 63.Ke1 Rg3-+) 62...Kf3 63.Nd4 Kg4 64.Ke2 Kf4 65.Nc2 Ra2 66.Kd3 f5 67.Nb4 (67.Rb8-+) 67...Rd2 0–1. Sundin,Thommy (1975) – Sandstroem,Tomas (2130), Sundsvall Sweden, 1989.

10.fg6 Qg7 11.Bf7 Ke7-/+.

10.fg6 Qg7 11.gh7 Rh7 12.Qf2 Bb6 13.Qf1-/+.

8.a3 Bc5

9.Nc3 A) 9...Nd7 10.Nf3 (10.f5 Nb6 11.Bb3 Qe7 12.Nf3 gf5 13.Qh5-/+; 10.Na4 Nb6 11.Nb6 ab6 12.Nf3 Qe7 13.Rf1-/+; 10.Nge2 Nb6 11.Ba2 h5 12.Qg3 Rh6 13.Nd5-/+) 10...ef4 11.Na4 Nce5 12.Be2 a6 13.Nc5+=; B) 9...Nd4 10.Rc1 Nd7 11.Nge2 Nb6 12.Bb3 f5 13.Qg3-/+; C) 9...f5 10.Qd8 Kd8 11.Nge2 Re8 12.Na4 fe4 13.Nc5-/+.

9.Ne2 Na5 10.Ba2 (10.Bd5 c6 11.Ba2 Nd7 12.Bc3 Bb6 13.f5+=) 10...h5 11.Qg3 Rh6 12.Nbc3 h4 13.Qd3+=.

9.Ne2 a6 10.Nbc3= b5 11.Bd5+= Qe7 12.Rf1 Rf8 13.Bb3 Be6 (13...f5 14.Qh6 Be6 15.Be6 Qe6 16.Nd5+= (worse 16.Qh7 Nd7-/+)) 14.Be6 Qe6 15.Nd5 Kd7 16.fe5 Ne5?? (better 16...de5 17.a4 b4+-) 17.d4+- g5 (17...Nc4 18.dc5 Nc6 19.0-0-0+-) 18.Qh7 Rf7 19.Qg8 c6 (19...Nc4 20.dc5 Nb2 21.cd6 Kd6 22.Rb1+-) 20.de5 cd5 (20...de5 21.Nf6! Rf6 22.Rd1 Bd4 23.Qg7 Qe7 24.Qf6 Qf6 25.Rf6 Ke7 26.Nd4 Kf6+-) 21.ed5 Qd5 22.Rf6 Nc6 23.Rf7 Ne7 24.Re7! Ke7 25.Qd5 1–0. Pyars – Hetre, internet, 2019.

9.Ne2 a6 10.Nbc3 Nd7 11.f5 Nb6 12.Ba2 Qe7 13.fg6+=.

9.Ne2 a6 10.Nbc3= f5 11.Qh6 Nd7 12.ef5+=.

9.Ne2 a6 10.f5 gf5 11.Qh5 Kd7 12.Qf5 Ke7 13.Qf3+=.

9.Ne2 a6 10.Qh6 b5 11.Qg7 Rf8 12.Bd5 Qd7 13.Qd7+=.

9.Ne2 Nd7 10.f5 (10.Nbc3 Nb6 11.Ba2 h5 12.Qg3 Rh6 13.Nd5-/+; 10.Bd5 Rb8 11.f5 Ne7 12.Be6 h5 13.fg6+=; 10.Bb5 a6 11.Bc6 bc6 12.Nbc3 Rb8 13.Na4-/+; 10.Qh6 Qe7 11.Nbc3 Nb6 12.Nd5 Nd5 13.Bd5-/+) 10...Nb6 11.Bb5 0-0 12.Bc6 bc6 13.d4+=.

9.Ne2 f5 10.Qd8 Kd8 11.Nbc3 Re8 12.Na4 fe4 13.Nc5-/+.

9.Ne2 h5 10.Qg3 (10.Rf1 Nd7 11.Bd5 Nb6 12.Qg3 Rh6 13.Bc6+=) 10...g5 11.fg5 fg5 12.Rf1 Bg4 13.Bf7=.

9.Nf3 Na5 10.Ba2 (10.Bb5 c6 11.Be2 Nd7 12.Bc3 Bb6 13.d4+=; 10.Be2 Be6 11.d4 ed4 12.Nd4 Bd4 13.Bd4+=; 10.Bd5 c6 11.Ba2 Nd7 12.Nc3 Nb6 13.d3+=; 10.Bf1 Be6 11.Nc3 Nd7 12.Na4 a6 13.Rb1-/+) 10...Nd7 11.f5 Nf8 12.Qh6 Qe7 13.Nc3=.

9.Nf3 Nd7 10.Bb3 Na5 11.Nc3 Nb6 12.Nd5 Nd5 13.Bd5+=.

9.Nf3 Nd7 10.Bb5 a6 11.Bc6 bc6 12.Nc3 Nb6 13.Nd1-/+.

9.Nf3 Nd7 10.Nc3 ef4 11.Na4 Nce5 12.Be2 a6 13.Nc5+=.

9.Nf3 Nd7 10.Bd5 Qe7 11.d3 Nb6 12.Nbd2 Nd4 13.Bd4-/+.

9.Nf3 Nd7 10.f5 Nb6 11.Bb5 0-0 12.Bc6 bc6 13.fg6=.

9.Nf3 Nd7 10.f5 Nf8 11.fg6 Ng6 12.Qh5 Qd7 13.h3 Qg7 14.Nc3 Bd7 15.Nd5 0-0-0 16.0-0-0 (16.Rb1!?-/+) 16...Nce7 17.Ne7 Qe7 18.g3 d5! 19.Bd5 (19.Bd5 Ba3 Combination; 19.ed5 Ba3 Combination) 19...Ba3 20.Rde1 Bb2 21.Kb2 Qb4 22.Bb3 (22.Kc1 a6-/+) 22...Be6-+ 23.Ra1 Bb3 24.cb3 Rd3 25.Qf5 Kb8 26.Ra3 Rhd8 27.Rd1 Nf4!! 28.Qf6 (28.gf4 Rf3 Decoy (28...Rf3 Interception)) 28...Rb3!! 29.Rb3 (29.Rb3 Nd3 Mate attack) 29...Nd3 30.Ka2 (30.Ka1 Qa4 31.Ra3 Qa3 32.Kb1 Qb2) 30...Qa4 (30...Qa4 31.Kb1 Qb3 32.Ka1 Qb2) 0–1. Roth,H – Hecker,K, corr TT001 BdF, 1995.

9.Nf3 h5 10.Nc3 (10.Qg3 Rh6 11.Qh4 Bg4 12.Rf1 Nd7 13.h3-/+; 10.Rf1 Nd7 11.Bd5 Rb8 12.Qg3 Rh6 13.fe5+=; 10.Bd5 Bg4 11.fe5 de5 12.Qg3 Rh6 13.d3+=; 10.h3 Nd7 11.Bd5 Rb8 12.Nc3 Nd4 13.Nd4-/+) 10...Nd4 11.Nd4 Bd4 12.fe5 fe5 13.Qg3+=.

9.f5 Na5 10.Ba2 gf5 11.Qh5 Kd7 12.Qf5 Ke7 13.Qf3+=.

9.f5 Ke7 10.Nc3 Na5 11.Bd3 Nd7 12.Rb1 Nb6 13.Nf3-/+.

9.f5 Qe7 10.Nc3+= Qg7 11.Nd5 gf5 12.Nf6 Kd8 13.Nf3+=.

9.f5 Ne7 10.Nc3 (10.Qf6 Rf8 11.Qh4 gf5 12.Nc3 Ng6 13.Qh7-/+) 10...Nbc6 11.g4 Nd4 12.0-0-0 a6 13.Qf6+=.

9.f5 gf5 10.Qh5 Kd7 11.Qf5 Ke7 12.Qf3 Nd4 13.Bd4+=.

8.Nc3 Nd4

9.0-0-0 c6 (9...Nd7 10.Nd5 Bc5 11.c3 c6 12.cd4 cd5+= ) 10.a3 Bc5 11.Na4 b5 12.Nc5 bc4-/+.

9.Bb3 h5 (9...Nd7 10.Nge2 Ne2 11.Ne2 Qe7 12.Rd1 Bc5-/+ ; 9...c6 10.Nce2 Nb3 11.ab3 0-0 12.Nf3 Nd7+= ; 9...Bc3 10.Bc3 Nbc6 11.Ne2 f5 12.Qf2 Nb3-/+; 9...f5 10.Qd8 Kd8 11.Nge2 Nbc6 12.Rf1 Ne2-/+) 10.Nd5 g5 11.Qg3 Bc5 12.fe5 fe5-/+.

9.Rc1 c6 (9...Bc3 10.Bc3 Nbc6 11.f5 gf5 12.Bd4 Nd4+= ; 9...h5 10.fe5 fe5 11.Qg3 g5 12.Nd5 h4+= ; 9...Be6 10.Be6 Bc3 11.Bc3 Ne6 12.Ne2 Nc5+=; 9...Nd7 10.Nd5 Bc5 11.c3 Ne6 12.f5 Nef8+=) 10.Nce2 Ne2 11.Ne2 Qe7 12.c3 Ba5+=.

9.Kd1 h5 (9...c6 10.Nce2 d5 11.Bd4 ed4 12.ed5 cd5=; 9...Bc3 10.Bc3 Nbc6 11.Ne2 Ne2 12.Be2 Be6-/+; 9...Nd7 10.Nd5 Bc5 11.c3 Nc6 12.f5 Ne7+=; 9...f5 10.Qd8 Kd8 11.Nge2 Ne2 12.Ne2 Re8-/+) 10.Nh3 c6 11.Ne2 b5 12.Nd4 bc4-/+.

9.Bd3 h5 (9...c6 10.Nge2 Ne2 11.Be2 Nd7 12.f5 gf5+=; 9...Be6 10.Nd5 g5 11.Qh6 Bd5 12.ed5 Nd7+/-; 9...Bc5 10.Nge2 h5 11.Qg3 g5 12.Nd4 h4-/+; 9...Nd7 10.Nge2 Bc3 11.Bc3 Ne2 12.Be2 Nc5+=) 10.f5 gf5 11.Nd5 fe4 12.Qf6 Qf6-/+.

9.Nd5= Nc2 10.Kd1 Na1 11.Nf6 Ke7 12.Ba1 h5 13.Nd5 Kd7 14.Qd8 Kd8 15.Nb4 c5+-.

9.Nd5= Rf8?? (better is 9...Nc2 10.Kd1 Na1 11.Nf6 Ke7 12.Ba1 h5 13.Nd5 Kd7 14.Qd8 Kd8 15.Nb4 c5+-) 10.Qh7 Nc2 (10...Be6 11.Bd4 Bd5 12.Bd5 ed4 13.Bb7 Nd7+-) 11.Kd1 Na1 12.Nc7 (12.Nb4?! Qd7 13.Qd7 Nd7 14.Ba1 Nb6= (worse is 14...ef4 15.Nd5 Kd8 16.Nf4+/-)) 12...Qc7 13.Qc7 Na6 (13...Nc6 14.Qg7 g5+-) 14.Bb5 Bd7 15.Qd7 1–0. Fritz11 – jumbo, casual, 2013.

8.Ne2 Nd7

9.0-0 Nb6 10.Bb3 Qe7 11.Nbc3 Be6 12.Be6 Qe6 13.fe5 fe5 14.Rf6 Qe7 15.Nd5 Nd5 16.ed5 Nd4?? (better is 16...Nd8 17.d4 c6=) 17.Nd4 Bc5 (17...0-0-0 18.Ne6 Rde8+-) 18.Re6 (18.Re6 Qe6 19.de6+-) 1–0. usingprogram (2025) – freitas129, kurnik, 2013.

9.0-0 Nb6 10.Bb5 Be6 11.a3 Bc5 12.d4 ed4-/+.

9.0-0 Bc5 10.Kh1 Nb6 11.Bb3 f5 12.Qh6 Qe7+=.

9.0-0 Qe7 10.Nbc3 Nb6 11.Nd5 Nd5 12.ed5 Na5+=.

9.c3 Na5 (9...Nb6 10.Bb5 Ba5 11.f5 gf5 12.Nc1 Nd7+=; 9...Ba5 10.f5 Nb6 11.Bb3 Ne7 12.0-0 gf5+=; 9...Bc5 10.d4 Bb6 11.Nd2 f5 12.Qd8 Kd8+=) 10.Bb3 Nb3 11.ab3 Bc5 12.d4 Bb6+=.

9.Nbc3 f5 (9...Bc5 10.f5 Nb6 11.Bb3 Ke7 12.Nd5 Nd5+=; 9...Nc5 10.0-0 f5 11.Qg3 fe4 12.fe5 Ne5=; 9...Nb6 10.Bb5 a6 11.Bc6 bc6 12.f5 Nc4-/+; 9...a6 10.f5 Ne7 11.0-0 b5 12.Be6 Bc5=) 10.Qd8 Kd8 11.Rf1 Nc5 12.ef5 Bf5-/+.

9.f5 Nb6 (9...Na5 10.Bb3 Nb3 11.ab3 gf5 12.ef5 Bc5+=; 9...Nf8 10.Nf4 Na5 11.Bb3 Nb3 12.ab3 Bc5=) 10.Bb3 Ke7 11.Rf1 Qf8 12.c3 Ba5+=.

9.Qh6 Nb6 (9...Qe7 10.Nbc3 Nb6 11.Nd5 Nd5 12.Bd5 Bc5-/+; 9...ef4 10.Nf4 Nde5 11.Nd5 Bd7 12.Rf1 f5+/-) 10.Qg7 Rf8 11.Bg8 Qd7 12.Qh7 Ne7-/+.

8.Nf3 Na5

9.Bb5 Nbc6 (9...Bd7 10.Be2 Nac6 11.Qh6 Be6 12.Qg7 Rg8+=; 9...c6 10.Be2 Bc5 11.Bc3 b6 12.Ba5 ba5+=) 10.Nc3 a6 11.Be2 Bc5 12.Nd5 0-0+=.

9.Bd3 Nd7 (9...Qe7 10.Nc3 Bc3 11.Bc3 Nbc6 12.0-0 Be6+=; 9...Bc5 10.Qh6 Be6 11.f5 gf5 12.Ng5 Qe7+=; 9...c6 10.Nc3 Nd7 11.f5 Ke7 12.a3 Bc5+=; 9...Be6 10.f5 Bf7 11.fg6 Bg6 12.Nc3 Bc5+=) 10.Nc3 c6 11.f5 Ke7 12.Be2 Nb6-/+.

9.Be2 a6 10.c3 Bc5 11.d4 ed4 12.cd4 Bb4=.

9.Be2 Bc5 10.Nc3 Nac6 11.Nd5 Nd7 12.Qh6 Kf7=.

9.Be2 Bc5 10.Nc3 Be6 11.Nd5 Bd5 12.ed5 Bb6 13.Rb1=.

9.Be2 Nbc6 10.Nc3 Bc5 11.Na4 Nd4 12.Nd4 Bd4=.

9.Be2 Nd7 10.c3 Bc5 11.d4 Bb6 12.Nbd2 Nc6=.

9.Be2 Qe7 10.c3 Bc5 11.d4 ed4 12.cd4 Bb6=.

9.Be2 Qe7 10.Nc3 Be6 11.f5 Nc4? (better is 11...g5 12.Qh6 Bf7+=) 12.fe6+- Nb2 13.Nd5 Bd2 (13...Qg7 14.Nb4 c6+-) 14.Nd2 Qd8 (14...Qg7 15.Rb1 c6 16.Nf6 Kd8 17.Rb2 Kc8+-) 15.Qh6 Nc6 16.Qg7 Rf8 17.Bb5 a6 18.Qh7 ab5 (18...Rc8 19.Qg6 Rf7 20.Qf7) 19.Qg6 (19.Qg6 Rf7 20.Qf7) 1–0. Trkn – guest2634, ICC, 2004.

9.Bf1 Bc5 (9...Nd7 10.Nc3 c6 11.f5 gf5 12.ef5 Bc5+=; 9...Qe7 10.Nc3 ef4 11.Qf4 g5 12.Qe3 c6=; 9...Nbc6 10.Nc3 Bc5 11.Na4 Nd4 12.Nd4 Bd4+=; 9...Be6 10.f5 Bf7 11.fg6 Bg6 12.c3 Bc5+=) 10.Nc3 Be6 11.Nd5 Nd7 12.d4 ed4+=.

8.Nf3 Nd7

9.0-0 Qe7 (9...Nb6 10.Bb5 Be6 11.a3 Ba5 12.Bc6 bc6+=; 9...Na5 10.Bd5 c6 11.Be6 Nb6 12.Bc8 Rc8+=; 9...Bc5 10.Kh1 Nb6 11.Bb3 a5 12.a4 Qe7+=; 9...a6 10.c3 Ba5 11.f5 Bb6 12.d4 ed4=) 10.c3 Ba5 11.Na3 Nc5 12.Bb5 a6-/+.

9.Bb3 ef4 (9...Nc5 10.0-0 Nb3 11.ab3 Bc5 12.Kh1 Be6-/+; 9...Qe7 10.Nc3 Nb6 11.0-0 Bc5 12.Kh1 Na5+=; 9...Nb6 10.0-0 Bc5 11.Kh1 Qe7 12.c3 Be6+=; 9...Bc5 10.f5 Ne7 11.Qh6 a5 12.Qg7 Rf8+=) 10.0-0 Nde5 11.d4 Ng4 12.c3 Ba5-/+.

9.c3 Nb6 (9...Bc5 10.d4 Bb6 11.0-0 ed4 12.cd4 f5=; 9...Ba5 10.f5 Ne7 11.fg6 Ng6 12.Qh5 c6+=) 10.Bb5 Ba5 11.f5 gf5 12.Qh5 Ke7-/+.

9.Nc3 Bc5 (9...Nb6 10.Bb5 Be6 11.f5 Bc3 12.Bc3 gf5-/+; 9...Na5 10.Be2 Nb6 11.Nd5 Nd5 12.ed5 Bc5+=) 10.Na4 Nb6 11.Nb6 ab6 12.f5 Ke7-/+.

9.f5 Na5 10.Be2 gf5 11.ef5 Nc6 12.c3 Ba5+=.

9.f5 Nb6 10.Bb3 gf5 11.Qh5 Kd7 12.Qf5 Ke7+=.

9.f5 Ke7 10.c3 Ba5 11.0-0 Bb6 12.d4 ed4+=.

9.f5 Nf8

10.0-0 Bc5!? 11.Kh1 Na5+=.

10.0-0 gf5 11.Qh5= Ng6?? (better is 11...Kd7 12.Qf5 Ke7+= 13.Qh5 Be6 14.Be6 Ne6 15.Nh4 Nf4+=) 12.ef5+- Nce7 (12...Bf5 13.Qf5 d5 14.Bb5+-) 13.fg6 Ng6 14.Nh4 Ke7 15.Qh6 Qf8 16.Qh7!! Rh7 17.Ng6 Ke8 18.Nf8 Kf8 19.Rf6 Ke7 20.Rf3 Bc5 21.Kh1 Bg4 22.Rb3 Rah8 23.h3 b6 24.Nc3 c6 25.Ne4 d5 (25...b5 26.Nc5 bc4 27.Rb7 Kd8 28.Rh7 Rh7 29.Ne4+-) 26.Rg3 (better is 26.Nc5!? dc4 27.Rg3 Bh3 28.gh3 bc5+-) 26...Bh3 27.gh3 de4 28.Kg2 Rd8 29.Be5 (better is 29.Rd1 b5 30.Bb3+-) 29...Rd2+= 30.Kh1 Rc2 31.Bg8 Rh5 32.Rg7 Kf8 33.Rf1 Rf2 34.Rf2 Bf2 35.Bb3 Re5 36.Rf7 Ke8 37.Rf2 Kd7 38.Rd2 Kc7 39.Kh2 (39.Kg2 c5+/-) 39...e3 40.Re2 Kd6 41.Kg3 Kc5 42.Bc2 Kd4 43.h4 c5 44.Kg4 b5? (better is 44...c4!?+/-) 45.h5+- Re6 46.Kg5 Re8 47.h6 c4 48.h7 b4 (48...Rf8 49.Bf5+-) 49.Kf4 b3 (49...Rf8 50.Bf5 a5+-) 50.ab3 cb3 51.Bf5 Rh8 52.Re3 Kc4 53.Rg3 a5 54.Rg8 Rh7 55.Bh7 a4 (55...Kc3 56.Be4 Kb4 57.Rb8 Ka3 58.Bd5+-) 56.Ra8 Kb4 57.Ke3 Ka3 (57...a3 58.Kd2 a2 59.Bg8+-) 58.Kd4 Kb4 59.Bd3 (59.Bd3 Ka3 60.Kc3 b2 61.Rb8 Ka2 62.Rb2 Ka1 63.Rb1 Ka2 64.Re1 a3 65.Bc4; 59.Be4 Ka3 60.Bc6 b2 61.Ba4 Kb4 62.Bc2 Kb5 63.Rb8 Kc6 64.Be4 Kc7 65.Rb2 Kd6 66.Bd5 Ke7 67.Ke5 Kd7 68.Rb7 Ke8 69.Bc6 Kf8 70.Kf6 Kg8 71.Be4 Kf8 72.Rb8) 1–0. Reuter,Alfred – McGrath,Tom, WCCF, 2000.

10.0-0 Rg8 11.Bg8 Bd7 12.Bh7 Qe7 13.Bg6 Ng6 14.fg6 Qg7 15.Qh7 Qh7 16.gh7 0-0-0 17.Nc3 Rh8 18.Nd5 Rh7 19.Nf6 Rg7 20.Nd7 Kd7 21.h4 Ne7 22.h5 Rh7 23.g4 (23.c3 Ba5 24.g4 c5+-) 23...Ng8 (23...Rg7 24.g5 Bd2 25.h6 Be3 26.Kg2+-) 24.Kg2 Nf6 (24...Bc5 25.c3+-) 25.Ne5! Ke6 (25...de5 26.Rf6) 26.Ng6 Nd7 27.Nf4 Ke7 28.Nd5 Kd8 29.Nb4 Ne5 30.Be5 de5 31.Nd5 Rd7 32.Rf8 1–0. Eralos – madivashka, ChessWorld.net, 2003.

10.Nc3 A) 10...gf5 11.Nd5 Be6 12.Nf6 Kf7 13.Ng5 Kg7 14.Nh5 (14.Ne6 Ne6 15.ef5 Qf6 16.Qf6 Kf6 17.fe6 Ke7=) 14...Kg8 15.Qg3 Bc4 16.Nh7 Kf7 17.Qg7 Ke6 18.Ng5 Qg5 19.Qg5+-; B) 10...Bc3 11.Bc3 h5 12.fg6 Ng6+=.

10.0-0 Qe7

11.c3 Ba5 A) 12.fg6 Ng6 (12...Bb6 13.Kh1 Ng6 14.Qh5 Kd8 15.g3 Rf8-/+; 12...Qg7 13.gh7 Rh7 14.Qf2 Qg6 15.Qe3 f5+=; 12...Be6 13.Be6 Ne6 14.d4 Bb6 15.gh7 ed4+=) 13.Qh5 Kd8 14.Kh1 Bb6 15.g3 Rf8-/+; B) 12.d4 Bd7 (12...gf5 13.Qh5 Kd8 14.ef5 Nd7 15.Nbd2 Nb6+=; 12...Kd8 13.de5 de5 14.Nfd2 Bb6 15.Kh1 Qg7+=; 12...ed4 13.Nd4 Ne5 14.Nd2 Nfd7 15.fg6 Ng6=; 12...Bb6 13.Kh1 Bd7 14.Nbd2 0-0-0 15.Bd3 Rg8+=) 13.Bd5 gf5 14.Qh5 Kd8 15.ef5 ed4-/+.

11.c3 Bc5 12.d4 Bb6 13.Kh1 Bd7 14.Nbd2 Qg7 15.Qg4 Qh6+=.

11.Nc3 Bc3 12.Bc3 Bd7 (12...gf5 13.Qh5 Kd8 14.ef5+= d5 15.Bb3 Qc5+=; 12...Kd8 13.fg6 Ng6 14.Qh6 Rf8 15.Rae1 Bg4=) 13.d4 (13.Rab1 0-0-0 14.d4 gf5 15.d5 fe4+=) 13...Qg7?? (better is 13...ed4 14.Nd4 Ne5+= 15.Be2 0-0-0=) 14.de5+- de5 15.Ne5! Nb8?? (15...Ne5 16.Be5; 15...fe5 16.f6) 16.Ng4 (16.Ng4 Qe7 17.Qf6+-) 1–0. Myers – Damiron, Santo Domingo, 1966.

11.Nc3 Bc5 12.Kh1 Qg7 (12...gf5 13.Nd5 Qg7 14.Nf6 Kd8 15.ef5 Bf5+/-) 13.Nd5 g5 14.Qh5 Kd8 15.c3 g4=.

11.Nc3 gf5 12.Nd5 Ng6 A) 13.Qf6?! Qf6 14.Nf6 Kd8= (14...Ke7 15.Nd5 Kd8=) 15.Ng5 Bd2+=; B) worse is 13.Nf6 Kd8 14.Qg5 Bc5 15.Kh1 Na5+=; C) 13.Qh6+/- Qf8 14.Nc7 Kd7 15.Qf8 Rf8+/-.

11.Nc3 gf5 12.Nd5 Qg7 13.Nf6 Kd8 14.Nd5 Ke8 15.ef5 Bf5+/-.

11.fg6 A) 11...Ng6 12.Qh5 Bc5 13.Kh1 Kd8 14.Nc3 Nf4 15.Qh6 Na5-/+; B) 11...Qg7 B1) 12.gh7 Bc5 (12...Rh7 13.Qe1 Bh3 14.Qe2 Ne6 15.Be6 Bc5-/+; 12...Nh7 13.a3 Bc5 14.Kh1 Ng5 15.Qg3 Rh5+=; 12...Bg4 13.Qg3 Bc5 14.Kh1 Rh7 15.Nc3 Nd7+=; 12...Ne6 13.Ne1 Ng5 14.Bg8 Bc5 15.Kh1 Ne7+=) 13.Kh1 Rh7 14.Qe1 Ne6 15.Ba3 Nf4-+; B2) 12.Qf2 Bc5 13.Bf7 Ke7 14.d4 ed4 15.Nd4 hg6-/+; B3) 12.c3 Bc5 (12...hg6 13.Qf2 Ba5 14.d4 f5 15.Nbd2 Be6-/+) 13.d4 hg6 14.Qg3 Bb6 15.Nbd2 Qh6-/+; C) 11...Bc5 12.Kh1 Qg7 (12...Ng6 13.Qh5 Kd8 14.Nc3 Nf4 15.Qh6 Na5-/+) 13.gh7 Rh7 14.Qe1 Ne6 15.Ba3 Nf4-+.

8.Nf3 Qe7

9.0-0 Bc5 10.Kh1 Be6 11.Bb3 Nd7 12.Nc3 0-0 (12...Nb6!?+=) 13.Nd5= Qd8 14.Qh6 (14.fe5!? fe5 15.Ng5=) 14...Nb4 (better is 14...Re8!?+=) 15.Nf6 (15.Nf6 Qf6 16.Ng5+/-; 15.Nc7 Bb3 16.Na8 Bc2 17.a3-/+) 1–0. Johansson,Mats (1800) – Schulz,Hans_Juergen (1785), CT1–01 b2–b4.com, 2004.

9.0-0 Be6 10.Be6 Qe6 11.c3 Ba5 12.f5 gf5 13.Qh5 Qf7 14.Qf7? (better is 14.Qf5 Ne7 15.Qh3+=) 14...Kf7-+ 15.ef5 Nd7 16.Na3 a6 17.Nc4 Bb6 18.Nb6 Nb6 19.Rae1 Nc4 20.Ba1 Ne7 21.d3 Na3 22.Bb2 (22.Bb2 Nb5 23.a4-/+) 1–0. Bonetti,Shane – Extrasolid (2100), ICC, 2002.

9.0-0 Be6 10.Be6 Qe6 11.c3 Ba5 12.f5 gf5 13.Qh5 Qf7 14.Qf7? (better is 14.Qf5 Ne7 15.Qh3+=) 14...Kf7-+ 15.ef5 Nd7 16.Na3 Nb6 17.Rae1 h5 18.Ba1 h4 19.Re2 Rh5 20.h3 Rg8 (worse is 20...Rf5 21.Nh4 Rh5 22.g3-/+) 21.Re4 Ne7 (better is 21...Rgh8!?-+) 22.Rh4-/+ Rf5 23.Rh7 Rg7 24.Rg7 Kg7 25.Nc2 Ned5 26.h4 Nc4 27.d3 Nce3 28.Ne3 Ne3 29.Rf2 Nd5 30.Rc2 Nf4?? (better is 30...Bb6 31.Kh2 Rh5-+) 31.g4+= Nh3 32.Kg2 Rf4 33.Nh2 Bb6? (better is 33...Ng5!? 34.hg5 fg5+/-) 34.Kh3+- Kg6 35.h5 Kg5? (35...Kg7+-) 36.Bb2 Bg1 (36...f5 37.Bc1 fg4 38.Kg3 Kh5 39.Bf4 ef4 40.Kf4 g3+-) 37.Bc1 Bh2 38.Rh2 (38.Rh2 Kh6 39.Kg3+-) 1–0. Bonetti,Shane – clb (2070), ICC, 2002.

9.0-0 Be6 10.Be6 Qe6 11.c3 Bc5 12.d4 Bb6 13.fe5 de5 14.Kh1 Qe7 15.Nbd2 (15.Ba3 Qg7=) 15...Nd7= 16.Nc4 0-0-0 17.Nb6 (17.Ba3 Qg7=) 17...cb6 (17...ab6!? 18.a4 g5=+) 18.a4= h5 19.d5 (19.Ba3 Qh7=) 19...Na5 (19...g5 20.Qf2 Na5 21.Ba3=) 20.Ba3= Qg7 21.c4 (21.Nd2 g5 22.Qf2 h4=) 21...Kb8 (21...Nc4?? 22.Rac1+-) 22.Rac1 Rc8 (22...Nb3 23.Rb1 Nbc5 24.Nd2=+) 23.Nd2= g5 24.Qf2 White prepares the advance c5 24...g4 25.Bd6 Ka8 26.c5 (26.Bb4!?=) 26...bc5=+ 27.Bc5 Nc5 28.Rc5 Rc5 (28...b6 29.Rc8 Rc8 30.Qf6 Qf6 31.Rf6 Rc1 32.Rf1-/+) 29.Qc5= b6 30.Qf2 Rf8 31.Qh4 (31.Qf5 Kb8 32.Qe6 h4=) 31...Qg6 (31...Qh6 32.Qf2-/+) 32.Rc1 (32.Qg3 Rc8=+) 32...Kb7 33.Qe1 Qg5 34.Nc4 Nc4 35.Rc4 Qg7 (35...f5!? 36.Kg1 Qf6=+) 36.a5= f5 (36...Rc8 37.a6 Kb8 38.Rc8 Kc8 39.Qb4=) 37.Qa1 (better 37.ab6 ab6 38.d6+=) 37...fe4?? (better 37...b5 38.a6 Ka8=) 38.a6 (better 38.ab6 a5 39.Rc7 Qc7 40.bc7+-) 38...Kb8 (38...Ka8 39.Re4 Qf7 40.Re1 Qd5 41.Qa3-/+) 39.Re4-/+ Qf6 40.h3 (40.Qe5?? Qe5 41.g3 Qe4 42.Kg1 Qe2 43.d6 Rf1) 40...gh3 (better 40...g3 41.Re1 h4-/+) 41.Kh2?? (better 41.Qe5 Qe5 42.Re5 Rf1 43.Kh2 hg2 44.Kg2=+) 41...hg2 (better 41...Re8 42.Qb2 Qg6-+) 42.Qc3?? (better 42.Qe5 Qe5 43.Re5-/+) 42...Rg8 (42...g1Q 43.Kg1 Rg8 44.Kh2 Qf2 45.Kh3 Qg2 46.Kh4 Qe4 47.Kh5 Qh7) 43.Re1 Qf4 (43...Qh4 44.Kg1 Qh1 45.Kf2 g1Q 46.Rg1 Qg1 47.Ke2 Rg2 48.Kd3 Qf1 49.Ke4 Re2 50.Kd3 Rb2 51.Ke4 Qf4 52.Kd3 Qf3 53.Kc4 Qe4 54.Qd4 Qd4) 44.Kg1-+ Qd4 (44...Qd4 45.Qe3 Qd5 46.Qe5 Qe5 47.Re5 Rg7 48.Rh5 Kc7-+) 0-1. Ingthor (1885) - spass12 (2110), Rated Blitz tournament, lichess.org, 2017.

9.0-0 Be6 10.Be6 Qe6 11.c3 Bc5 12.d4 ed4 13.cd4 Nd4? (better is 13...Bb6=) 14.Bd4+- Bd4 15.Nd4 Qe7 16.Nc3 c6 17.Rab1 Na6 18.Rbd1 0-0-0 19.Qh3 Kb8 20.Qe6 Qc7? (better is 20...Qe6 21.Ne6 Rd7+-) 21.Qf6 Qb6 (21...Rhf8 22.Qh4 Nc5+-) 22.Rb1 Qc5 (22...Nb4 23.Na4 Rhf8+-) 23.Na4 Qc4 24.Rfc1 Qa4 25.Nc6 Ka8 (25...Qc6 26.Rc6 b6 27.Rd6 Rd6 28.Qh8 Kb7 29.Qh7 Kb8 30.Qg8 Kc7 31.e5+-) 1–0. Bonetti,Shane – Sausalito (2100), ICC, 2002.

9.a3 Ba5 10.Nc3 Bc3 11.Bc3 Be6 12.Bb3 (12.Be6!? Qe6 13.fe5 fe5 14.Rb1=+) 12...Bb3-/+ 13.cb3 Nd7 14.0-0 0-0-0 15.Rfe1 (15.b4 ef4 16.Qf4 Rhe8=+) 15...Kb8 16.d4 ed4 (16...g5 17.fg5 fg5 18.Qg5 Qg5 19.Ng5 ed4 20.Bb2-/+) 17.Nd4=+ Nd4 18.Bd4 Rhf8 19.a4 (19.Qf2 Nc5 20.Qe3 Rfe8=+) 19...Rde8 (19...Nc5 20.Bc5 dc5 21.Rac1=+) 20.a5 (20.Qf2 c5 21.Bc3 Qf7=) 20...a6 21.b4 g5 22.Qf2 gf4 23.Rab1 (23.b5 ab5 24.Qf4 f5-/+) 23...c6 (23...Ne5!? 24.Red1 Ng4-+) 24.Qf4=+ Ne5 25.Qd2 (25.Rf1 Ng6 26.Qg3 Ka8=+) 25...Rg8 26.Kh1 Rg4 27.Bg1 (27.Rbc1 h5-/+) 27...Reg8 (27...Nc4 28.Qf2 Re4 29.Re4 Qe4 30.Rf1-/+) 28.Qe3 (28.Re2!?-/+) 28...Rg2-+ 29.Qa7 Kc8 30.Qa8 Kd7 (30...Kc7 31.Bb6 Kd7 32.Qb7 Ke6 33.Qe7 Ke7 34.Rb3-+) 31.Qb7-/+ Ke6 32.Qa6 Qg7?? (better 32...Qf7 33.Re3 Qh5-+) 33.Qf1-/+ Qg4 34.Qf5 (34.Rb3 Ke7 35.Rg3 Rg3 36.hg3 Qg3-+) 34...Qf5 35.ef5 Kf5 36.Ra1 (36.b5 cb5 37.Rb5 Ra2-/+) 36...Rb2 (36...Nf3 37.Rf1 Ke4 38.a6-/+) 37.Reb1-/+ Rb1 38.Rb1 Nf3 (38...Ra8 39.Bb6-/+) 39.Be3 (39.b5 cb5 (39...Rg1 40.Rg1 Ke6 41.b6 Ng1 42.b7+-) 40.Rb5 Ke6-/+) 39...Ra8 (39...Ke4 40.Bf2-/+) 40.Bb6 Ke6 41.Rf1 (41.Rb3 Ng5=+) 41...Ne5 42.Re1 Kd5 (42...f5 43.Re3-/+) 43.Rc1? (43.Rd1!? Kc4 44.Rd6 Kb4 45.Rf6=) 43...Nc4 (43...Nd3 44.Rg1-+) 44.Rd1 Ke6 45.Bc7 d5 46.Re1 (46.Bf4 h5-/+) 46...Ne5 (46...Kd7 47.Bg3 c5 48.bc5 Ra5 49.Bh4-+) 47.Kg2 (47.Bb6 Rb8-/+) 47...d4 48.Rc1 Kd5 (48...Rc8 49.Bb6 Kd5 50.Rd1-/+) 49.Bb6 (49.Rc5 Ke4-/+) 49...d3 50.Rd1 (50.h3 Nc4 51.Kf3 Re8-+) 50...Ke4 (50...Kc4 51.Bc5-+) 51.Kf2 (51.Re1 Kf5 52.Rf1 Ke6-/+) 51...Ng4-+ 52.Ke1 (better 52.Kg3 Rg8 53.Re1 Kd5 54.Kf4 Nh2 55.Rh1-+) 52...Re8?? (better 52...Nh2 53.Rc1 Nf3 54.Kd1 Re8-+) 53.Kd2=+ Nf2?? (better 53...Ne5=+) 54.Re1+- Kf3 55.Re8 1-0. pacal56 (2260) - mecker (2225), Rated Blitz game, lichess.org, 2014.

9.a3 Bc5 10.Nc3 Be6 11.Be6 Qe6 12.Nd5 0-0 13.Nc7 Qc4+=.

9.a3 Bc5 10.Nc3 Be6 11.Be6 Qe6 12.Nd5 Na6? 13.Nf6+- (13.Qf6?! Qf6 14.Nf6 Ke7 15.fe5 de5 16.Ne5 Nd4+-) 13...Kf8?? (13...Ke7 14.Nd5 Ke8+-) 14.Qh6 (14.Nh7?! Kg8 15.Nhg5 Rh4 16.Ne6 Rg4+/-) 14...Ke7 15.Qg7 Qf7 16.Nd5 Ke8 17.Qh8 Kd7 (17...Qf8 18.Qh7 Qf7+-) 18.Qa8 ef4 19.Ng5 (19.Ng5 Qd5 20.ed5+-) 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

9.a3 Bc5 10.Nc3 Be6 11.Be6 Qe6 12.Nd5 Kd8 13.Nf6 Qe7+=.

9.a3 Bc5 10.Nc3 Be6 11.Be6 Qe6 12.Nd5 Qf7?? 13.Nf6+- Kf8 (13...Kd8 14.fe5 de5+-) 14.Ng5 Nd7 (14...Qf6 15.Nh7 Rh7 16.Qf6 Rf7 17.Qh8 Ke7 18.fe5 Rf8 19.Qh7 Rf7 20.Qh4 Ke8+-) 15.Nf7 Kf7 16.Nd7 (16.Nd7 Ke6 17.Nc5 dc5 18.0-0+-) 1–0. pereira – billimast, internet, 2009.

9.a3 Bc5 10.Nc3 Qg7 11.Nd5 Rf8 12.d3 a6 13.Ba2 a5 14.fe5 fe5 15.Bc1 Rf7 16.Bh6 Qh8 17.c3 Nd8 (17...Ba3 18.Ng5 Rf4 19.Nf4 ef4 20.Bf7 Ke7 21.Ra3+-) 18.d4! ed4 19.Ng5 Rd7 20.Rf1 c6 (20...dc3 21.Nf6 Qf6 22.Rf6+-) 21.Nf6 Qf6 22.Rf6 d5 23.Qf2 Re7 24.Rf8 (24.Rf8 Kd7 25.Bb1+-) 1–0. Fournier,Frederic (2555) – Ladycat (2470), Active, 2004.

9.Nc3 Bc3 10.Bc3 Be6 11.Bb3 a5 (11...Bb3 12.ab3 Nd7 13.0-0=+) 12.0-0= 0-0 13.f5 (13.Rab1 Bb3 14.Rb3 b6=+) 13...Bf7 (13...gf5 14.ef5 Bb3 15.ab3=+) 14.Qg4 (14.fg6 hg6 15.Qg4 Bb3 16.Qg6 Qg7 17.Qg7 Kg7 18.cb3 Nd7=) 14...g5 15.d4 (15.Rab1 Nd7=) 15...ed4=+ 16.Nd4 Nd4 17.Bd4 Nd7 (17...Nc6!? 18.c3 Rfe8=+) 18.h4= h6 19.Rae1 (19.hg5 hg5 20.Rab1 b6=+) 19...Ne5=+ 20.Qg3 a4 21.Bf7 Qf7 22.hg5 hg5 23.a3 Kg7 (23...Qc4 24.Be5 de5 25.Rf2-/+) 24.Qc3 (24.Rb1 b6-/+) 24...Rh8 (24...Rae8 25.Rb1 b6 26.Be5 Re5 27.Rb4-/+) 25.Rb1=+ b6 26.Be5 fe5 27.f6 (27.Qc6 Ra7=+) 27...Kg6 28.Qf3 Qe6 29.Qc3 Rh7 30.Rf3 (30.Rf5 Rah8 31.Rb4 Qd7-/+) 30...Rf8 31.Rbf1 Rhf7 (31...Qg4 32.Qb4-/+) 32.Qc6? (32.Rf5 Rf6 33.Rf6 Rf6 34.Rf6 Qf6 35.Qc7 g4=+) 32...Rh8 (32...Qd7!? 33.Qd5-+) 33.Qa4-/+ Rh4 (33...Rhf8 34.Qc6 Qd7 35.Qd5-/+) 34.Qb4 (34.Qa8 Rfh7 35.Qd8 Rh1 36.Kf2 Rf1 37.Kf1 Qc4 38.Ke1 Qe4 39.Kd2 Qd5 40.Ke3-+) 34...Rf4-/+ 35.Rf4 gf4 36.Qc3 Qf6 37.Qf3 Qg5 38.Qh3 Rg7 (38...Qg3!? 39.Qe6 Kg7 40.Qb3-+) 39.Qe6-/+ Kh7 (39...Qf6 40.Qg4 Kh7 41.Qc8-/+) 40.Qh3=+ Kg8 (40...Qh6!? 41.Qf5 Qg6 42.Qh3 Kg8 43.Qc8 Kf7 44.Qc7 Ke6 45.Qc8 Rd7 46.Qc4 Ke7=+) 41.Qc8= Kh7 42.Qh3 Kg8 43.Qe6 (better 43.Qc8 Kf7 44.Qc7 Ke8 45.Qc6 Rd7 46.Qb6=) 43...Kh7 (better 43...Kh8 44.Qh3 Rh7-/+) 44.Qh3= ½-½. pacal56 (2200) - mecker (2265), Rated Blitz game, lichess.org, 2014.

9.Nc3 Bc3 10.Bc3 Be6 11.Be6 Qe6=+.

8.f5 Na5

9.Bb3 Nb3 10.ab3 Qe7 11.Nf3 gf5 12.ef5 Nc6-/+.

9.Bb3 Nb3 10.ab3 g5 11.Qh5=+ Kd7 12.h4 gh4 13.Rh4 Nc6 14.Nc3 Bc3 15.Bc3 Ne7 (15...Qe7 16.Nf3=) 16.Qf7 Qf8 (16...Qg8 17.Qf6 Qg3 18.Kf1=) 17.Rh7 Qf7 18.Rf7 b6 (better 18...Rh6!?=) 19.Rf6 Bb7 20.d3 Rh2 21.0-0-0 (21.Kf1!?+-) 21...Rg2 (21...Rg8 22.Nf3 Rhg2 23.Rf1+=) 22.Rf7+/- Ke8 23.Rh7 Kf8 (23...Rd8 24.f6 Ng6 25.Rf1+- (25.Rc7?! Rc8 26.Rc8 Bc8+/-)) 24.Nf3 (24.Bd2 Nc6+-) 24...Ng8? (better 24...Rg7 25.Rh5 Rg2+/-) 25.Rc7+- Rb8 (25...Rc8 26.Rc8 Bc8+-) 26.Bb4 Nf6 (26...Ke8 27.Bd6 Rc8 28.Rc8 (28.Rb7?! Rcc2 29.Kb1 Rb2 30.Ka1 Ra2 31.Kb1 Rab2 32.Ka1 Ra2 33.Kb1 Rab2=; 28.Be5 Rc7 29.Bc7 Nh6+-; 28.Ne5 Rc7 29.Bc7 Nf6+-) 28...Bc8 29.Be5+-) 27.Bd6 Kg8 28.Be5 Ng4 (28...Ne8 29.Rh1 Nc7 30.Rh8 Kf7 31.Rb8 Be4 32.de4+-) 29.Bb2 (29.Rg7 Kf8 30.Rg4 Rg4 31.Bb8 Rg7+-) 29...Rc8 (29...Nh6 30.Rh1 Rc8 31.Rh6 (31.Rb7?! Rcc2 32.Kd1 Rb2 33.Rb8 Kg7 34.f6 Kf7+-) 31...Rc7 32.Rh8 Kf7 33.Rh7 Ke8 34.Rc7 Be4 35.de4+-) 30.Rc8 (better 30.Rg7!? Kf8 31.Ne1 Re2 32.Rg4 Rc7+-) 30...Bc8 31.Rg1 (better 31.Rh1 Kf7 32.Rh8 Ba6+-) 31...Rg1 32.Ng1 Kf7 33.Nf3 Ne3 (33...a5+-) 34.Kd2 (34.Kd2 Ng4 35.c4+-) 1-0. carlos78 (2245) - pacal56 (2205), Rated Blitz game, lichess.org, 2014.

9.Bb5 c6 (9...Bd7 10.Bd7 Kd7 11.c3 Bc5 12.Qg4 Nc4+=) 10.Be2 gf5 11.ef5 Bc5 12.Qh5 Kd7-/+.

9.Bd3 gf5 (9...0-0 10.fg6 hg6 11.Qg3 Kf7 12.Nc3 Be6+=) 10.ef5 Bc5 11.Qh5 Ke7 12.Nc3 Qg8-/+.

9.Be2 Ke7 10.Nc3 Nbc6 11.Nd5 Kf7 12.Nf3 Bc5=) 10.Qh5 Ke7-/+ 11.Nc3 Be6 12.ef5 Bf7+=.

9.Be2 gf5 10.Qh5 Ke7 11.a3 (11.ef5 Qg8 12.Bf3 Nc4-/+) 11...Bc5-/+ 12.ef5 Qg8 13.g3 Qg5 14.Qg5 fg5 15.g4 h5 16.Nc3 (16.Nh3 hg4 17.Bg4 Nc4-/+) 16...hg4 17.Bg4 Rf8 18.0-0-0 (18.f6 Kd8 19.Bc8 Kc8-/+) 18...Nc4 19.Nb5 (19.Rf1 Bd7 20.Ne4 Ba3 21.Ba3 Na3 22.Ng5-/+) 19...Kd8 (19...Bf5?! 20.Bf5 Rf5 21.Nc7+=; 19...Nb2?! 20.Kb2 Na6 21.Rf1-+) 20.a4 (20.Nh3 Bd7 21.Nc3 Bf5-/+) 20...Bf5 21.Rf1 (21.Bf5 Rf5 22.d4 a6 23.Nc7 Kc7 24.dc5 d5-+) 21...Ne3! (21...Bg4?! 22.Rf8 Ke7 23.Rg8=; 21...Nb2 22.Kb2 c6 23.Nc3 Bg4 24.Rf8 Ke7 25.Rg8=) 22.Ne2 (22.de3 Be3) 22...Ng4 (22...Bg4 23.Rf8 Ke7 24.Rh8 Be2 25.Nc7+/-) 23.Ng3 (23.d4 a6 24.Nc7 Kc7 25.dc5 Nd7 (25...dc5?! 26.Ng3-+) 26.cd6 Kd6-+) 23...Nf2 (23...Nf2 24.d4 Nh1 25.Rf5 Rf5 26.Nf5 ed4 27.Bd4 a6-+) 0–1. Friberger,Torbjoern – Nilsson,Arne, corr SSKK 2–774, 1993.

9.Be2!? gf5 10.Qh5 Ke7 11.Nc3-/+.

9.Be2 gf5 10.Qh5 Kf8 11.Nc3 Bc3 12.Bc3 Nbc6 13.ef5 Qd7 14.g4 Qf7 15.Qh4 Kg8 16.Nf3 White prepares g5 16...b6 17.g5 Bf5 18.gf6 Nd4?? (18...Bc2 19.Rf1 h6+=) 19.Nd4 ed4 20.Rg1 Bg6 21.Bd4 Nc6 22.Bb2 Re8 23.Qh6 Re2 (23...Ne5 24.0-0-0 d5 25.Be5 Re5+-) 24.Ke2 Ne5 25.Raf1 Qc4 26.Kf2 Qf7 27.Be5 de5 28.Ke1 1–0. mrkt – DaveMC, ChessWorld.net, 2006.

9.Be2 gf5 10.Bh5 Kf8 11.ef5 Nbc6 12.Ne2 d5 (12...Bf5? 13.Rf1 Rg8 14.Rf5 Rg2 15.Bg4+-) 13.Nbc3 d4 (13...Bf5 14.Rf1 Be6 15.Rf6 Ke7 16.Nb5+-) 14.Bc1 (better is 14.Nd5!?-/+) 14...dc3-+ 15.dc3 Bd6 16.Bh6 Ke7 17.Bg7 Rf8 18.Ng3 Nb8 19.Ne4 Increases the pressure on f6 19...Nd7 20.g4 Nc4 21.g5 Ndb6 22.Bf6 Rf6 23.gf6 Kd7 24.Bf3 Ne3 (24...Qg8 25.0-0-0 Ne3 26.Nc5 Ke8 27.Bh5 Kf8 28.Rd6 cd6 29.f7 Bf5 30.fg8Q Kg8 31.Rg1 Ng4 32.Rg4 Bg4 33.Qg5 Kf8 34.Qf6 Kg8 35.Bf7 Kf8 36.Be6 Ke8 37.Qf7 Kd8 38.Nb7) 25.Qh7 (25.Kf2!? Nbd5 26.c4 Nc4 27.Nd6 cd6 28.Qc4 (28.Bd5?! Qb6 29.Kg3 Qe3 30.Bf3 e4 31.Qe4 Qg5 32.Qg4 Qg4 33.Kg4 Ne5 34.Kf4 Nf3 35.Kf3 Kc6+-) 28...Nf6 29.Rab1+-) 25...Kc6= 26.Nd6 Kd6 27.Qh6 Bf5? (better is 27...Nc2 28.Ke2 Kc5+=) 28.Qe3+- Qf6 29.0-0-0 Ke6 30.Rhf1 Rh8 31.Be4 Rh5 32.Qf3 (32.Bb7?! Rh2 33.Be4 Rh5+-) 32...Qg5 33.Kb1 Qg6 34.Bf5 Rf5 35.Qb7 Qe8 36.Rf5 Kf5 37.Qc7 (37.Qa7?! Qb5 38.Ka1 Na4+-) 37...Qb5 38.Kc1 Qe2 39.Qf7 (worse is 39.Qa7 Nc4 40.Qf7 Ke4 41.Qg6 Kf4 42.Qg3 Kf5 43.Qd3 Qd3 44.cd3 Nb6+-) 39...Ke4 40.Qg6 Kf4 41.Qg3 Kf5 42.Re1 Qb5 43.Qh3 Kf6 44.Rf1 Ke7 45.Qh7 (45.Qh7 Kd8 46.Rf8 Qe8 47.Re8 Ke8 48.Qh5 Kd7 49.Qe5+-) 1–0. Degterev,Pavel (2275) – Deidun,Joe Jr (1980), IECG, 2009.

9.Be6 Be6-/+ 10.fe6 Nc4 11.Bc3 Bc5 12.Ne2 (12.Nh3 Qe7 13.Rf1 Rf8-+) 12...0-0 (12...Qe7 13.Rf1 Rf8 14.Rf3-+) 13.Qh3 (13.Rf1 Qe7-+) 13...d5 (13...Qe7 14.a3-+) 14.Qd3 (14.ed5 Qd5 15.Nc1 Re8-+) 14...c6 15.ed5 (15.h4 Re8-/+) 15...cd5-+ 16.h4 Re8 17.h5 g5 (17...Re6 18.hg6 h6 19.Rh6+-) 18.Ng3 Re6 19.Nf5 Qd7 Black prepares the advance e4 (19...b5 20.Nh6 Kg7 21.Qh3-+) 20.Rf1 b5 21.Nh6 Kh8 22.Ng4 e4 (22...Qc6 23.Qf5 Nd7 24.d3-+) 23.Bf6 Rf6! 24.Qc3 (24.Rf6 ed3) 24...d4 (24...Qg4 25.Qf6 Kg8 26.h6 Qg3 27.Kd1 Qg4 28.Kc1+-) 25.Nf6 dc3 26.Nd7 Nd7 27.Ke2 (27.Nc3 e3 28.Nb5 ed2 29.Kd1 Nf6-+) 27...cd2 28.Nd2 Nd2 29.Kd2 Rc8 (29...Kg7 30.Rf5-+) 30.Rf5 h6 31.c3 (31.Rd1 Nb6-+) 31...b4 (31...Nb6 32.Raf1-+) 32.cb4 Bb4 33.Ke3 Rc4 34.Rd1 Bc5 35.Ke2 Rc2 36.Rd2 Rd2 37.Kd2 Kg8 (37...Kg7 38.Rd5 Bb4 39.Ke2-+) 38.g4 (38.Ke2 Bb6-+) 38...Kg7 (38...Bb6 39.Ke2-+) 39.Rd5 Bb4 40.Ke3 (40.Ke2 Nf6 41.Rb5 Be7-+) 40...Nf6 41.Rb5 a5 (41...a5 42.Rb7 Kf8-+; 41...Kf7 42.Kd4 Bd6 43.Ra5-+) 0–1. Bielefeld,D – Rohde,Friedhelm, BdF, 1997.

9.Bf1 gf5 (9...Ke7 10.c3 Bc5 11.d4 Bb6 12.g4 Nd7+=; 9...0-0 10.c3 Bc5 11.d4 Bb6 12.fg6 hg6+=) 10.Qh5 Ke7 11.Nc3 Bc3 12.Bc3 Nbc6+=.

9.Bd5 c6-/+

10.a3 Bc5 11.Ba2 Qb6 12.Bc3 gf5 13.Ba5 Qa5 14.Be6-/+.

10.a3 cd5 11.ab4 Nac6 (11...Nc4!? 12.Bc1 Nc6-/+) 12.ed5= Ne7 13.Qf6 (13.fg6!? Ng6 14.Qc4=) 13...Rf8-/+ 14.Qg7 Bf5 15.Nc3 Nd7 (15...Qb6 16.Nge2 Bc2 17.Rf1 Rf1 18.Kf1-/+) 16.Nf3 Qb6 17.Qh7 Qb4?? (better 17...Nf6 18.Qg7 Bc2-+ (18...Ned5?! 19.Nh4=+; 18...Qb4 19.Ba3 Qb6 20.Rb1+-; 18...Nfd5?! 19.Nd5 Nd5 20.Be5 de5 21.Qe5 Be6 22.Nd4-+)) 18.Ba3+/- Qb6 19.Rb1 Qc7?? (better 19...Qd8 20.Bd6 b6+/-) 20.Nb5+- Qc2 21.Nd6 Kd8 22.Nb7 Kc8 23.Rc1 Qc1 24.Bc1 Nd5 25.Nd6 Kc7 26.Nb5 (better 26.Nf5 Rf5 27.Qg6 Raf8+-) 26...Kc6 27.Nc3 N7f6 (27...Nb4 28.0-0+-) 28.Qh4 (better 28.Qg7 Rfe8+-) 28...a5 (28...e4 29.Ne5 Kd6 30.Qg3+-) 29.Qa4 Kd6 (29...Kc7 30.Qc4 Kd6 31.Ba3 Nb4 32.Nb5 Ke7 33.Bb4 ab4 34.0-0+-) 30.Ba3 Ke6 (30...Nb4 31.Nb5 Ke7+-) 31.Ng5 1-0. carlos78 (2220) - pacalmisu (2175), Rated Blitz game, lichess.org, 2015.

10.Bb3!? Nb3 11.ab3-/+ Qe7 12.Nf3 Rg8-/+.

10.Bb3 Nb3 11.ab3 gf5 12.ef5 Qb6 13.Qf6? Rf8-+ 14.Qh6 Bf5 15.Nf3 Nd7 16.Nc3 0-0-0 17.0-0-0 d5 18.Na4 Qa5 19.Ne5 Ne5 20.Be5 Ba3 21.Bb2 Bb2 22.Kb2 d4 23.d3 b5?? 24.Qc6+/- Kb8 25.Nc5 Qc3 26.Kb1+- Rf7?? 27.Qb5 Kc7+- 28.Na6 Kd6 29.Qb4 Kd5 30.Qc3 (30.Qc3 dc3 31.Rhf1+-) 1–0. orangutanb4 (2085) – gleiwitz1 (1745), kurnik, 2011.

10.Be6 Be6-+ 11.fe6 Nc4 12.Bc3 (12.Qh6 Qe7-+) 12...Bc3 (12...Bc5-+) 13.Nc3 Qe7 14.Qg4 Na6 15.h4 Nc7 16.d3 (16.h5 0-0-0-+ (worse is 16...Ne6 17.hg6 h6 18.Nf3-/+)) 16...Na3 17.0-0-0 Qe6 (17...d5 18.ed5 cd5 19.Qa4 b5 20.Qb3-+) 18.Qe6 Ne6 19.Kb2 Nb5 20.Nb5 cb5 21.Nf3 a5 (21...f5 22.Rhe1 0-0 23.d4-+) 22.Rb1 (22.d4 b4-+) 22...Ke7 23.g3 (23.a3 f5-+) 23...b4 24.Rhe1 Ra6 (24...f5 25.c4-+) 25.Rf1 (25.c4 b5! 26.cb5 Rb6-+) 25...b5 26.Rf2 Rc8 27.Rbf1 Rf8 (27...Nc5 28.Ka1-+) 28.Nh2 (28.h5 gh5 29.Nh4 Nd4-+) 28...h5 29.Nf3 Rc6 30.Rb1 (30.Rg1 Rc3-+) 30...Nc5 31.Rbf1 Na4 32.Ka1 Nc3 33.Kb2 d5?? (better is 33...Rd8-+) 34.Ne5+= fe5 35.Rf8 de4 36.R1f7 Ke6 (36...Kd6 37.Rf6 Kd5 38.Rc6 Kc6 39.de4=) 37.Rf6 Kd5 38.Rc6 Kc6 39.Rf6 (39.de4 Kd6=) 39...Kd5+= 40.de4 Ke4 41.Rg6 Kf3 42.Rg5? (42.a3 e4 43.ab4 ab4 44.Rf6 Kg3 45.Rg6 Kh4 46.Kb3-/+) 42...e4-/+ 43.Rh5 Kg3 (43...e3 44.Re5 Kf2 45.h5 Nd1 46.Kc1+-) 44.Rh7 (44.Re5 Kh4 45.a3 Kg3 46.ab4 ab4=) 44...e3 45.Kc1? (better is 45.h5 Kg4 46.h6-/+) 45...e2?? (better is 45...Na2 46.Kd1 Nc3 47.Kc1 a4-+) 46.Kd2+= Kf2?? (better is 46...Kf4+=) 47.Rf7+- Kg3 48.h5 Na2 (48...Ne4 49.Ke2 b3 50.ab3 a4+-) 49.h6 Nc3 (49...b3 50.cb3 Nc1 51.h7 Nb3 52.Ke2 Nd4 53.Ke3 Nc6 54.Rg7 Kh4 55.h8Q) 50.h7 Ne4 51.Ke2 Ng5 52.Rg7 Kf4 1–0. Bonetti,Shane – guest1428, ICC, 2002.

8.f5 Ke7

9.a3 Ba5 10.Nc3 Bc3-/+ (10...gf5?? 11.Nd5 Kf7 12.Nc7 d5 13.Bd5 (13.Na8?! dc4 14.Bc3 Bc3 15.dc3 fe4+=) 13...Ke7 14.Na8 fe4 15.Qe4+- (15.Be4?! Qd2 16.Kf1 Be6+-)) 11.Bc3 gf5 12.Qh5 (better is 12.Ne2!? fe4 13.0-0-/+) 12...Qe8-+ 13.Qh4 fe4 (13...Qg6 14.Ne2-+) 14.Ne2 Qg6 15.0-0 (15.Ng3 Be6 16.Be6 Ke6 17.Ne4 f5-+ (17...Qg2?! 18.Qf6 Kd7 19.Qf5 Ke8 20.Qc8 Ke7 21.Qc7 Nd7 22.Qd6 Kd8 23.Ng3=)) 15...Be6 16.Be6 Ke6 17.Ng3 d5 18.Rab1 b6 19.d3 (19.Qh3 Ke7 20.Nf5 Kd8-+) 19...e3 (19...ed3!? 20.Qh3 Ke7 21.cd3-+) 20.Qh3 Kf7 (better is 20...Ke7 21.Bb4 Kd8-+) 21.Nh5= e2 (better is 21...Ke7 22.Rf6 Qg8=) 22.Rf6+/- Qf6 23.Nf6 Kf6 24.Qh6 Ke7 (24...Kf7 25.Re1 Re8 26.Qh5 Ke7 27.Be5 Kd7+-) 25.Qg7 Kd6 26.Qh8 a5 (26...d4 27.Bb4 Ke6 28.Qc8 Kf6 29.Be1+-) 27.Be5! Kc5 (27...Ne5 28.Qf6 Double attack (28.Qf6 Decoy)) 28.Qf8 (28.Qf8 Ne7 29.Qe7 Kc6 30.Qc7) 1–0. Janek – Mezemis, internet, 2017.

9.a3 Ba5 10.Ne2 Nd7+=.

9.a3 Ba5 10.g4 g5 (10...Nd7 11.Nc3 Bc3 12.Bc3=+) 11.Qf2 (11.Qh6!? Qf8 12.Qf8 Kf8 13.h4 gh4 14.Nf3=) 11...h5 12.gh5 Rh5 13.Ne2 (13.Nc3 Nd7=+) 13...Qh8 14.Nbc3 Bb6 15.Qg2 Nd4 (15...Nd7 16.Rb1-/+) 16.0-0-0 (16.Nd5!? Kd8 17.Nb6 ab6 18.Nd4 ed4 19.Bd4=) 16...c6=+ 17.Ng3 (17.Na4 d5 18.Bd4 dc4 19.Bb6 ab6 20.Nb6 Ra3=+) 17...Rh4-/+ 18.d3 Nd7 (18...g4 19.Rdf1-/+) 19.Nce2 Ne2 20.Qe2 Nc5 21.d4 Na4 22.de5 (22.Ba1 ed4 23.Bd4 Bd4 24.Rd4 Nc5=+) 22...de5 23.Qd3 Bc7 (23...Bc5 24.Be6-/+) 24.Bb3 Nc5 25.Qc4 Nb3 26.cb3 a5 (26...Rh2?! 27.Rh2 Qh2 28.Qg8 Qg3 29.Qg7 Ke8 30.Qg8 Ke7 31.Qg7 Ke8 32.Qg8 Ke7=) 27.Bc3 a4 (27...Ke8 28.Qe2-/+) 28.b4 Bd7?? (28...Ke8 29.b5=+) 29.b5?? (better 29.Rd7 Kd7 30.Qe6 Kd8 31.Rd1 Bd6 32.Rd6 Kc7 33.Qe7 Kb8 34.Rf6 Qf6 35.Qf6+-) 29...Rd8 (29...Bd6 30.Bb4 Bb4 31.Qb4 Ke8 32.bc6 Bc6 33.Rd6=+) 30.Bb4 Ke8 31.Qc5 Qg7 32.Qa7? (better 32.b6!? Bb8 33.Rd2=) 32...cb5 33.Qb7 Bc8?? (33...Rb8!? 34.Qa7 Rc8-/+) 34.Qb5 (better 34.Rd8 Kd8 35.Rd1 Qd7 36.Rd7 Bd7 37.Qa8 Bc8 38.Qc6+-) 34...Bd7=+ 35.Qc5 Rc8?? (better 35...Rb8=+) 36.Kb1 (36.Rd7 Bd8 37.Rg7 Rc5 38.Bc5+-) 36...Bd8 (36...Rb8 37.Qc7 Rc8+-) 37.Qd6 (better 37.Rd7 Rc5 38.Rg7+-) 37...Rc6 38.Qb8 Rc4 (38...Rb6 39.Qa8=+) 39.Qb7 (better 39.Ba5 Qe7 40.Bb4=) 39...Rb4?? (better 39...Qf7=+) 40.ab4 Qe7? (40...Rh7+-) 41.Qb8 (better 41.Rd5 Bf5 42.Nf5 Qb7 43.Nd6 Kf8 44.Nb7+-) 41...a3 (41...Qf7 42.Rd5 Rh7 43.Rhd1+-) 42.Qd6 (42.Rd3 Rh7+-) 42...Qd6 (42...Bb5!?+/-) 43.Rd6+- Be7 44.Rb6 Kd8 (44...Ba4 45.Rb8 Kf7 46.Ka2+-) 45.Ka2 (better 45.Rc1!? Ba4 46.Rb8 Kd7 47.Rb7 Kd8+-) 45...Kc7 46.Ra6 Bc6?? (better 46...Kb7 47.Ra3 Bc6+-) 47.Ra7 (47.Ra7 Bb7 48.Ra3 Bb4 49.Ra7+/-) 1-0. pacal56 (2200) - mecker (2130), Rated Blitz game, lichess.org, 2014.

9.a3 Na5 10.Ba2 Bc5 11.Ne2+=.

9.Nc3 gf5?? 10.Nd5 Kf7 11.Nc7 Kg7 12.Na8 fe4 13.Qe4+-.

9.Ne2 Na5 10.Bb3 Nb3 11.ab3 Nc6 12.Nbc3 Bc3 13.Nc3 Nb4 (13...gf5? 14.Nd5 Kf7 15.ef5+/-) 14.0-0 g5 15.Qh6 Qf8 16.Qf8 Rf8 17.Rac1 c6 18.Ba3 a5 19.Rfd1 h5 20.d4 Bd7 21.de5 de5?? (better 21...fe5 22.Na4 c5=) 22.Na4+- Be8? (22...Rfd8 23.c3 b5+-) 23.c3 b5 24.Nb6 (worse 24.cb4 ba4 25.ba5 Kf7 26.Bf8 Kf8+-) 24...Rb8 25.cb4 a4 26.Nc4! bc4 27.b5 Kf7 28.ba4 (28.ba4 Rh8 29.bc6 Bc6 30.Rc4+=) 1-0. carlos78 (2200) - benitares (2040), Rated Blitz game, lichess.org, 2015.

9.Ne2 Na5!? 10.Bd5 c6+=.

9.Ne2 Nd7 10.c3 Ba5 11.0-0 Qf8 12.Na3 Qg7 13.d4 Nd8 14.Bd3 Nf7 15.Nc4 Bb6 16.a4 c6 17.Qf2 g5 (17...Bc7 18.Ne3=) 18.a5 Bc7 19.Ne3 h5 20.h3 Nf8 21.Bc4 Bd7 22.Rfd1 Nh7 23.Ng3 Nf8 24.Be2 h4 25.Nh5 Qh6? (better is 25...Qg8+=) 26.Nf6!+- Qf6? (26...Kf6 27.Ng4 Deflection; 26...Qf6 27.Ng4 Decoy) 27.Ng4 1–0. marekt – biohuman, ChessWorld.net, 2013.

9.Ne2 gf5 10.Nbc3 Bc3 11.Nc3 Be6 12.Be6 Ke6 13.ef5 Kf7 14.Qh5 Kg7 15.0-0 Rg8 16.Rf3 Kh8 17.d3 Nd7 18.Nd5 Ne7 19.Rh3 Rg7 20.Ne3 Qg8 21.Qf3 d5 22.Ba3 c5 23.c4 d4 24.Qb7 (24.Nd1 Qc8-/+) 24...Rd8 (24...de3 25.Qd7 Rd8 26.Qb7 Rd3 27.Bc5-+) 25.Nd1 Nf5 26.Nf2? (26.Qc6!?-/+) 26...Ne3 (better is 26...Rb8!? 27.Qe4 Ne3 28.Re3 de3 29.Nh1-+) 27.g3 Nc2 28.Rc1 Na3 29.Qa6 Nc4! 30.Rc4 (30.Qc4 Qc4 Combination; 30.Rc4 Rb8 Combination; 30.dc4 Nb6 Decoy) 30...f5 31.Qc6 (31.Rc1 Re8-+) 31...e4! 32.Rc2 (32.de4 Qc4 Deflection) 32...e3 33.Nd1 f4 34.Qf3 Rf8 (34...Rf8 35.Qh5 Rg5-+) 0–1. Adams,Jonathan – Talbot,Lindsay, NZCCA HT corr New Zealand, 1992.

9.Ne2 gf5 10.Nf4 ef4?? (better is 10...Qf8 11.Nd5 Kd8 A) 12.ef5 Nd7 (12...Bf5? 13.Rf1+-; 12...Qg7+= 13.Bd3 Qg5 14.Qg5 fg5 15.Rf1+=) 13.Nb4 Nb4 14.Bb3 Nc6 15.0-0-/+; B) 12.0-0 Bc5 13.Kh1 Ne7 14.Nf6 Nbc6 15.Nd5+=; C) 12.Rf1 Bc5 13.Nf6 Qe7 14.Qh6 Nb4 15.Kd1=; D) 12.Nf6 Ne7 13.Nd5 Nbc6 14.Rf1 f4 15.g3=) 11.Qf6 Kd7 (11...Ke8 12.Qf7) 12.Qe6 1–0. Sixty4 – ian371, playchess.de, 2002.

9.Ne2 g5 10.Qh5 (10.Qh6 Qf8 11.Qf8 Rf8=) 10...Qe8 11.Qh6 Qf8 12.Qh3 (12.Qf8 Rf8 13.c3 Na5=) 12...h5 (12...Na5 13.Bd3+=) 13.c3= Bc5 (13...Ba5 14.0-0=) 14.d4 ed4 (14...Bb6 15.0-0=) 15.cd4+= Nd4? (better is 15...Bb4 16.Bc3 Kd8+=) 16.Bd4+- Nd7 17.0-0 Bd4 (17...Ke8 18.Nbc3+-) 18.Nd4 Ne5 19.Na3 (19.Qb3 c6+-) 19...Bd7 (19...Kd8 20.Rac1+-) 20.Qb3 Rb8 21.Rad1 a6 22.Be6 Qd8 (22...Qe8 23.Bd7 Qd7 24.Ne6+-) 23.Nc4 Nc4 24.Bc4 (24.Qc4 b5 25.Qd5 Rb6+-) 24...Kf8 (24...b5 25.Be6+-) 25.e5! fe5? (25...de5 26.Ne6 Double attack; 25...fe5 26.Ne6 Double attack) 26.Ne6 Be6 27.fe6 (27.Be6?! Qf6+-) 27...Kg7 (27...Ke8 28.Bd3 Qe7 29.Bg6 Kd8+-) 28.Rf7 Kh6 29.e7 Qd7 (29...Qe8 30.Bd3 d5 31.Qd5 Qe7 32.Re7 h4 33.Qe6 Kh5 34.Qf7 Kh6 35.Qg6) 30.Qd3 Rbf8 (30...Qf5 31.Qf5 h4 32.Rf6 Kg7 33.Qg6) 31.ef8Q Rf8 32.Qh7 1–0. Janek – Silvmoon, internet, 2017.

9.Nf3 Nd7 10.0-0 Nb6 11.Bb5 d5 12.Bc6 bc6 13.Ne5 Bb7 14.fg6 Nd7 15.Nd7 Kd7 16.Bf6 Qe8 17.Bh8 Qh8 18.Qg4 Kd8 19.g7 Qg8 20.ed5 cd5 21.Nc3 Be7 22.Rae1 Bc8 23.Qg3 Bc5 24.Kh1 Bd7 25.d4 Bb4 26.Rf8 Bf8 27.gf8Q Qf8 28.Nd5 Rc8 Time forfeit 0-1. Butterbrot (1965) - LOLE_ANTE (2125), Rated Blitz game, lichess.org, 2015.

9.Nf3 gf5 10.Rf1-/+.

9.Nf3 Qf8 10.Nc3 Bc3 11.Bc3 Nd7 (11...gf5 12.0-0 fe4 13.Ng5-/+) 12.0-0-0 (12.Bd5!?=+) 12...gf5-/+ 13.ef5 Nb6 14.Bd3 (14.Bb5 Qg7 (worse 14...Bf5 15.Bc6 bc6 16.Ne5+=) 15.Rhe1 Nd5-/+ (15...Qg2?? 16.Ne5 de5 17.Be5+-; 15...Bf5 16.Bc6 bc6 17.Ne5+/-)) 14...Nd5 15.Bb2 (better 15.Be4 Nc3 16.dc3-/+) 15...Nf4 (15...Ndb4 16.Be4 Na2 17.Kb1-/+) 16.Be4?? (better 16.Ne5 Ne5 17.Qf4 Nd3 18.cd3=) 16...d5?? (16...Ng2!? 17.Qf2 Nf4 18.d4-+) 17.g3 (better 17.Ba3 Ke8 18.Bf8 Rf8 19.Bd5 Nd5 20.Qh7+-) 17...de4?? (17...Ke8 18.gf4 de4 19.fe5 ef3 20.e6-/+) 18.gf4?? (18.Ba3 Kf7 19.Ne5 Ne5 20.Bf8 Ne2 21.Kb2 Bf5+-) 18...ef3?? (18...Ke8 19.fe5 ef3 20.e6-/+) 19.fe5?? (19.Ba3 Ke8 20.Bf8 Rf8 21.Qh5 Rf7+-) 19...Bf5?? (better 19...Ke8 20.e6 Ne5-/+) 20.Ba3+- Kd7 21.Bf8 Raf8 22.ef6 Kc8 (22...Rf7 23.Rdg1 Be6 24.Rg7 Rg7 25.fg7+-) 23.Rde1 (better 23.Rdf1 Be6+-) 23...b6 (23...Rf7 24.Qg5 Bd7 25.Rhf1+-) 24.Rhf1 Kb7 25.Rf3 Bg6 26.Re6 Rf7 (26...Nd8 27.Re7 Nc6 28.Rg7+-) 27.Qc4 Na5 28.Qd5 Kb8 (28...c6 29.Qd6 Rhf8 30.Re7 Ka6 31.d3+-) 29.Re7 Rhf8 30.Qd7 Re7 31.Qe7 (better 31.fe7 Rf3 32.e8Q Be8 33.Qe8 Kb7 34.Qe4 Nc6 35.Qf3 a6+-) 31...Re8 32.Qg7 Re1 33.Kb2 Nc4 34.Kc3 Ne5 35.Re3 Re3 36.de3 Nf7 37.Kd4 (37.h4!? Nd6 38.h5 Bh5 39.Qg8 Ne8+-) 37...Kb7 (37...Kc8 38.Qg8 Kd7 39.e4 c5 40.Kd5+-) 38.e4 c5 (38...a6 39.e5 Nd8 40.Qd7 Nc6 41.Kd5+-) 39.Kd5 Ka6 40.e5 Nd8 41.e6 (41.e6 Ne6 42.Ke6+-) 1-0. pacal56 (2265) - mecker (2255), Rated Blitz game, lichess.org, 2014.

9.g4 Nd7 10.Nf3=+.

9.g4 g5 10.Qf2 (10.Qh6!? Qf8 11.Qf8 Kf8 12.h4 gh4 13.Nf3=) 10...Bc5-/+ 11.Qe2 Nd4 (11...Na5 12.Bb3-/+) 12.Qd3 (12.Bd4 Bd4 13.c3 Bc5=+) 12...h5 13.gh5 Rh5 14.Nc3 (14.c3 Ndc6-/+) 14...c6 15.0-0-0 (15.Nce2 d5 16.Bd4 Bd4 17.Nd4 dc4 (17...ed4?! 18.ed5 Qd6 19.Qe2 Qe5 20.0-0-0 Qe2 21.Ne2=+) 18.Qa3 Qd6 19.Qd6 Kd6-/+) 15...Qh8 (better 15...d5 16.Bb3 Rh4-+) 16.Nf3?? (better 16.Nce2!? b5 17.Bb3 Ne2 18.Qe2-/+) 16...b5 (better 16...Rh3 17.Ne5 de5 18.Qf1-+) 17.Bb3 a5 (17...Rh3 18.Nd5 Kd8 19.Bd4 ed4 20.Rdg1 Ba3 21.Kb1-/+) 18.a4? (18.Nd4 Bd4 19.a4 ba4 20.Na4 Ba6-+ (20...Rh2?! 21.Rh2 Qh2 22.Bd4=+)) 18...b4 (18...Rh3 19.Nd5 cd5 20.Bd4 Bd4 21.Bd5-+) 19.Ne2? (better 19.Nd4 bc3 20.dc3-+) 19...Ba6 (19...Nb3?! 20.Qb3 g4 21.Nfg1-/+) 20.Bc4 Bc4 (20...Ne2?! 21.Qe2 g4 22.Ng1-/+) 21.Qc4 Nf3 22.Qe6 Kd8 23.d4 Nd4 24.Nd4 ed4 25.Bd4 Kc7 (25...Bd4 26.Rd4 Qf8 27.Rd6 Kc7 28.Rhd1 Rh2 29.Qf6 Qf6 30.Rf6-+) 26.Bf6 (26.Qf7 Kb6 27.Bf6 Qh7 28.Bd8 Ka6 29.Qh7 Rh7 30.Bg5 Nd7-+) 26...Qc8 (26...Qh6!? 27.e5 d5 28.Qf7 Kc8 29.e6 g4 30.Rd2-+) 27.Qf7-/+ Nd7 28.Qh5 Nf6 29.Qg5 Ne4?? (better 29...Qh8 30.Rhe1 Rg8-+) 30.Qe7+/- Kb6 (30...Qd7 31.Qe4 Re8 32.Qg4+/-) 31.Qe4+- Qh8 32.Kb1 Rd8 (32...Re8 33.Qg2+-) 33.Rdf1 Re8 34.Qf3 (better 34.Qf4!?+-) 34...Re3+/- 35.Qd1?? (35.Qg4 Qc3 36.Qg8=) 35...Ra3-+ 36.f6 Qg8 37.f7 (37.Rf3 Qa2 38.Kc1 Qa1 39.Kd2 Qd4 40.Ke2 Qe4 41.Kd2 Rf3 42.Qf3 Qf3 43.Re1 Qc3 44.Kd1 b3 45.Ke2 Qe3 46.Kd1 Qd4 47.Kc1 Ba3 48.Kb1 Qb2) 37...Qg7 38.c3 (38.Rf6 Qf6 39.Qd4 Qd4 40.c3 Qc3 41.f8Q Ra1) 38…Qc3 (38...Qc3 39.f8Q Ra1) 0-1. pacal56 (2285) - mecker (2235), Rated Blitz game, lichess.org, 2014.

9.Nh3 gf5 10.ef5 (10.Nf4 Qf8 (10...fe4? 11.Rf1 Bf5 12.Nd5 Kd7 13.Rf5+-) 11.Nd5 Kd8+=) 10...d5= 11.Bb5 (11.Bb3 Bf5 12.0-0 Bh3 13.Qh3 Qd6=) 11...a6 (11...Bc5 12.Nf4 a6 13.Bc6 Nc6 14.Nd3-/+) 12.Bc6 (12.Bd3 Nd7=+) 12...Nc6-/+ 13.0-0 Bc5 Black prepares d4 14.Kh1 d4 (14...Qd6 15.Nc3 Kf7 16.Na4=+) 15.c3? (15.d3 Nb4 16.Nd2 Ke8= (16...Nc2 17.Ne4 Kf7 18.Qh5 Kg7 19.Rf3+-)) 15...Qd5 (15...h5!?-/+) 16.cd4=+ Bd4 (16...Rg8 17.Qh7 Kf8 18.Qh6 Ke8 19.Rf3 ed4 20.Na3= (worse 20.Qf6 Be7 21.Qh6 Ne5-/+)) 17.Nc3= Bc3 18.Bc3 Bd7 (18...Rg8 19.Qh7 Qf7 20.Qh4=+) 19.Rae1 (better 19.Nf4 Qg8 20.Rae1+/-) 19...Rag8? (better 19...Kf7+=) 20.Rf2?? (20.Nf4 Qa2 21.Nh5 Kd8 22.Nf6 Kc8 23.Ng8 Rg8 24.Qh7 Qd5+-) 20...h5?? (better 20...Bf5 21.Nf4 Qd6+=) 21.Nf4+- Qd6 22.Ng6 (22.Nh5?? Rg5 23.Qe4 Rgh5-+) 22...Kd8 (22...Kf7 23.Nh8 Rh8 24.Qc4 Kf8 25.Re3+/-) 23.Nh8 Rh8 24.Rfe2 (better 24.d4 ed4 25.Re6 Be6 26.Qf6 Kc8 27.Qh8 Qd8 28.Bd4 Nd4 29.Qd8 Kd8 30.fe6 Ne6 31.Rf5+-) 24...Bf5?? (better 24...Kc8+=) 25.Be5 (25.Re5 Bg4 (25...Ne5?? 26.Be5 Qf8 27.Qf6 Qf6 28.Bf6 Kd7 29.Bh8+-) 26.Rh5 Bh5 27.Qf6 Qf6 28.Bf6 Kd7 29.Bh8 a5+-) 25...Ne5 26.Re5 Bd7 27.R5e4 (27.Rd5! Qc6+-) 27...Kc8 (27...Rg8 28.R1e2+/-) 28.d4 (28.Qf4 Rg8 29.Qd6 cd6+/-) 28...b6 (28...Bc6 29.Rg4+=) 29.Qf4+/- Qf4 30.Rf4 f5 31.Re7 h4 (31...Rh6 32.Kg1+/-) 32.Kg1+- h3 33.g3 Kd8 34.Rg7 b5? (34...a5!?+-) 35.d5 (35.Rh4 Re8 36.Rhh7 Bc8+-) 35...a5 36.Kf2 Re8 (36...a4 37.a3 Re8 38.Rh7+-) 37.Rh4 b4? (37...Re5 38.Rh8 Be8+-) 38.Rhh7 Bb5 (38...Ba4 39.Rc7 Rh8 40.Ke3 (worse 40.Rh8 Kc7 41.Ke3 Bc2+-) 40...Rh7 41.Rh7+-) 39.Rc7 (better 39.d6 f4 40.gf4 Re2 41.Kf3+-) 39...Re2 (39...Rh8+-) 40.Kf3 Rh2 (40...Re4 41.Ra7 Be2 42.Kf2+-) 41.Rb7 (41.d6 Bc6 42.Rc6 Rd2 43.Ra6 Rd3 44.Kf4 Rc3 45.Raa7 Rc4 46.Ke5 Rc5 47.Kf6 Rc7 48.Rac7 h2 49.Rh8) 41...Be2 (41...Kc8 42.Rb5 Rd2+-) 42.Kf4 Rf2 (42...Kc8 43.Rbf7 Rf2 44.Ke5 Bb5 45.Rf8 Be8 46.Re8) 43.Ke5 Kc8 44.Ra7 (44.Rbg7 Bb5 45.Rg8 Be8 46.Re8) 44...Kb8 45.Rab7 Ka8?? (45...Kc8 46.Rbg7 Bb5 47.Rg8 Be8 48.Re8) 46.Rbf7 (46.Rbf7 Bb5 47.Rf8 Be8 48.Re8) 1-0. carlos78 (2210) - mecker (2155), Rated Blitz game, lichess.org, 2015.

9.Nc3-/+ Bc3

10.Bc3 gf5 11.0-0-0 Qf8 (11...Qe8 12.ef5 Bf5 13.d3-+) 12.Nf3 (12.ef5 Bf5 13.Ne2 Qg7-/+) 12...Qg7 13.Rhg1 (13.d4 Qg4 14.ef5 Bf5-/+ (14...Qf5 15.de5 Rf8 16.ef6 Kd8 17.f7 Kd7 18.Rhe1+-)) 13...h5 (13...Qg4!? 14.d3 Qh4 15.Nh4 fe4 16.de4 Be6-+) 14.d4-/+ fe4 15.Qe4 (15.de5 de5 16.Ne5 Ne5 17.Be5=) 15...f5 (better 15...Nd7-/+) 16.Qh4+= Qf6 17.de5 Qh4 (17...de5 18.Ne5 Qh4 19.Ng6 Ke8 20.Nh4 Rh7+-) 18.ed6 cd6 19.Nh4 Rf8?? (better 19...Rh6 20.Bd2 Rh7 21.Bg5 Kd7 22.Nf5 Kc7 23.Nd6 Bg4+-) 20.Ng6 Ke8 (20...Kd8 21.Nf8 Kc7 22.Rge1+-) 21.Nf8 (better 21.Rge1 Kd7 22.Nf8 Kc7 23.Ne6 Be6 24.Re6 Nd7 25.Red6 Nde5+-) 21...Kf8 22.Rd6 Na6 (22...Ke7 23.Rgd1 Nd7+-) 23.Ba6 (23.Re1 Be6 24.Rde6 Rd8 25.Rf6 Kg7 26.Rc6 Kf8 27.Rf6 Kg7 28.Re7 Kh8 29.Rd6) 23...ba6 (23...Ke7 24.Rh6 ba6 25.Rc6+-) 24.Rc6 1-0. pacal56 (2235) - mecker (2230), Rated Blitz game, lichess.org, 2014.

10.Bc3 gf5 11.Ne2 Na6 12.Rf1 f4 13.g3 Be6 14.Be6 Ke6 15.gf4 Qf8 16.Qh3 Ke7 17.fe5 de5 18.Ng3 Re8 19.Rb1 Nc5 20.Qf5 b6 21.a4 Qf7 22.a5 Qe6 23.ab6 ab6 24.Qf2 Nd4 25.Bd4 ed4 26.Nf5 Kd8 27.d3 Kc8 28.Nd4 Qe5 29.Qf5 Qf5 30.Rf5 Ne4 31.de4 Re4 32.Ne2 Rhe8 33.Rf2 f5 34.Rb3 f4 35.Kf1 c5 36.Rbf3 Kc7 37.Rf4 Rf4 38.Rf4 Kc6 39.Rf6 Kb5 40.Rf7 Kc4 41.Rh7 b5 42.Rh4 Kd5 43.Rf4 Time forfeit 1-0. carlos78 (2160) - mehdi58 (2085), Rated Blitz game, lichess.org, 2015.

10.Bc3 gf5 11.Ne2 fe4 12.0-0 Qf8-/+.

10.Bc3 gf5 11.ef5 Bf5 12.Ne2 Bg6 13.0-0 Attacks the backward pawn on f6 13...Nd7 14.d4 Qf8 (14...Ke8 15.Rae1 Bf7 16.Bf7 Kf7 17.de5 de5 18.Rd1+-) 15.Rae1 Re8? (15...Kd8!?+=) 16.Nf4 Kd8 17.Nd5?? (better 17.Ne6 Re6 18.Be6+/-) 17...Kc8= 18.Bb5 f5 19.Bc6 bc6 20.Nb4 ed4 (better 20...c5 21.dc5 Nc5=+) 21.Nc6?? (better 21.Bd4 Re1 22.Qe1+=) 21...dc3-+ 22.Na7 Kb7 23.Rb1 Nb6 24.a4 (24.Nb5 Qe7 25.Qf2-+) 24...Ka7 25.a5 Rb8 (better 25...Nd7 26.Qd4 Nc5 27.Qc3 Rg8-+) 26.ab6-/+ Rb6?? (better 26...Kb7 27.Qa4 Qd8 (27...cb6?? 28.Qd7 Ka8 29.Ra1) 28.Qa7 Kc8=) 27.Qa4+- Kb7 28.Rb6 cb6 29.Qd7 Kb8 30.Ra1 Qd8?? (better 30...Qe8 31.Qd6 Kb7 32.Qd5 Qc6 33.Ra7 Ka7 34.Qc6 Re8+-) 31.Qa7 (31.Qc6 Re8 32.Ra8) 31...Kc8+- 32.Ra3 (better 32.Qg7 Qd7 33.Qh8 Be8 34.Ra8 Kb7 35.Re8+-) 32...Qc7-+ 33.Qa8 Qb8 (better 33...Kd7 34.Qa4 Ke7 35.Qh4 Kf7-+) 34.Qc6+- Kd8 35.Ra8 Ke7 36.Rb8 Rb8 37.Qc7 (37.Qc7 Ke6 38.Qb8+-) 1-0. carlos78 (2350) - mecker (2200), Rated Blitz game, lichess.org, 2015.

10.Bc3 gf5 11.ef5 Bf5-+ 12.Ne2 (12.Bb3 Qe8 13.Nf3 Qg6-/+) 12...Bg6 (12...Bc2 13.Nf4 Nd7 14.Nd5 Ke8-/+) 13.0-0 Rf8 (13...Nd7 14.d3-/+) 14.d4 (14.Nf4 A) 14...Bc2 15.d3 Bd3 16.Nd5 Kd7 17.Qh3 f5 18.Bd3+- (18.Qd3?! Qg5+/-; 18.Qh7?! Kc8 19.Bd3 f4+-); B) 14...ef4 15.Rae1 Kd7 16.Qh3 f5 17.Be6 Ke8 18.Bc8 Ne7 19.Re7 Qe7 20.Bb7 Bf7=) 14...Nd7 (14...Ke8 15.Rab1 b6 16.Bb3-/+) 15.de5 Nde5 (15...de5 16.Nf4 Bf7 17.Nd5 Ke8 18.Nf6 Nf6 19.Rf6 Bc4 20.Rf8 Kf8 21.Qc4=+) 16.Nf4= Nc4 (16...Bf7 17.Nd5 Bd5 18.Bd5 Qe8+=) 17.Nd5?? The pressure on the isolated pawn grows (17.Ng6 hg6 18.Bf6 Rf6 19.Qf6 Kd7 20.Qf7 Qe7 21.Qc4 Qe3 22.Kh1+-) 17...Kd7-/+ 18.Qc4 Ne5?? (better 18...f5-/+) 19.Be5+/- de5?? (better 19...fe5 20.Rf8 Qf8 21.Qc7 Ke6+=) 20.Rad1+- Kc8 21.Nb6 (better 21.Nf6 a6 22.Qe6 Kb8 23.Nd7 Ka7 24.Rf8 Qf8 25.Nf8 Rf8 26.Qe5+-) 21...ab6= 22.Rd8 Rd8 23.Qe6 (23.Rf6 Kb8=) 23...Kb8=+ 24.Qf6 Re8 25.c4 (better 25.Re1!?=) 25...Ra2-/+ 26.Rd1 Be4 (26...Kc8!? 27.Qf3 e4-/+) 27.Rd8=+ Rd8 28.Qd8 Ka7 29.Qc7 Rg2 30.Kf1 Rh2 31.Qe5 Rh1 32.Kf2 Bc6 33.c5 (better 33.Qe3!?=) 33...bc5-/+ 34.Qc5 Kb8 35.Ke3 h5 36.Kd4 Rd1 37.Ke3 Rd5 38.Qf8 Ka7 39.Qf2 (39.Qa3 Kb6-/+) 39...Rb5 40.Kd4 Ka6 41.Kc4 Rd5 42.Qf8 Kb6 (42...b5 43.Kb3 Bb7=+) 43.Qb4 (43.Qf2!? Kc7 44.Qf7 Kb8 45.Qf8 Ka7 46.Qa3 Kb6 47.Qf8=) 43...Rb5-/+ 44.Qd6 (44.Qf8-/+) 44...Ra5 (better 44...Ka6-/+) 45.Qd8= Ka6 46.Kb4 (better 46.Qa8 Kb6 47.Qd8 Ka6 48.Qa8 Kb6 49.Qd8=) 46...Rb5-+ 47.Ka3 Ra5 48.Kb3?? (48.Kb4 b6-/+) 48...Rb5 49.Kc4 (49.Ka3 Rd5 50.Qh8 b6-+) 49...Ra5 (better 49...b6-+) 50.Qa8= Kb6 51.Qb8?? (51.Qd8 Ka6=) 51...h4?? (better 51...Ra4 52.Kb3 Re4-+) 52.Qd8= Ka6 53.Qd4?? (better 53.Qa8 Kb6 54.Qd8 Ka6 55.Qa8 Kb6 56.Qd8=) 53...Ra4-+ 54.Kc5 Rd4 (54...Rd4 55.Kd4 h3-+) 0-1. carlos78 (2245) - mecker (2180), Rated Blitz game, lichess.org, 2015.

8.f5 Qe7

9.a3 d5 10.Bd5 Bc5 11.fg6 Nd4 12.Bf7 Kd7+-.

9.Ne2 Na5 10.Bd3 Rg8 11.Nbc3 c6 12.a3 Bc5 13.Na4 Nd7 14.Bc3 Bb6 15.Nb6 ab6 16.Ng3 Nc5 17.Be2 Na4 18.Bb4 c5 (18...gf5 19.ef5 c5 20.Ba5 Ra5 21.0-0=+) 19.Ba5= Ra5 20.fg6 hg6 21.0-0 Rf8 22.Qh6 Qf7 (22...Rg8 23.Rf2+=) 23.Nh5+= f5 (23...gh5?? 24.Bh5 Qh5 25.Qh5 Ke7 26.Rf3+-) 24.ef5 gf5 (24...gh5 25.Bh5 Ke7 26.Bf7 Rf7 27.Qg5 Ke8 28.Qg8 Rf8 29.Qg6 Rf7 30.Qd6+-; worse 24...Bf5 25.Ng7 Kd7 26.Bg4+=) 25.Bg4 Qe7 (25...fg4 26.Ng7 Double attack (26.Rf7 Pinning; 26.Rf7 Deflection)) 26.Ng7 f5 becomes the focus of attention 26...Kd8 27.Bf5 Bf5 (27...Rg8 28.Ne6 Be6 29.Be6+- (29.Qe6?! Qe6 30.Be6 Rg7+=)) 28.Rf5 (28.Rf5 Rg8 29.Ne6 Kd7 30.Raf1+-; 28.Nf5?! Rf6 29.Qh5 Qf7 30.Qh8 Qf8 31.Qf8 Rf8 32.Nd6 Rf1 33.Kf1 Ra6+-) 1–0. Panza (2510) – bobagem (2375), ChessWorld.net, 2010.

9.Ne2 gf5 10.Nec3 (10.Nbc3!? Be6 11.Nd5 Bd5 12.ed5+=) 10...Qg7 (10...Be6 11.Be6 Qe6 12.Nd5+=) 11.Nd5 Rf8 (11...Qg2 12.Rf1 f4 A) worse is 13.Qf6 Rf8 (worse is 13...Qe4 14.Kd1 Bg4 15.Kc1+-) 14.Nc7 Kd7 15.Qf8 Qe4 16.Kd1 Kc7 (16...Qc4?? 17.d3 Qc5 18.Na8+-) 17.Qf7 Nd7+=; B) 13.Nf6 Kd8 14.Nd5 Ke8 15.Nc7 Kd7 16.Na8 Qe4 17.Be2+-) 12.ef5 (12.Nbc3 Na5 (12...Qg2 13.0-0-0 Bc3 14.Bc3 Qe4 15.Qe4 fe4 16.Nc7 Kd8 17.Na8+/-) 13.Bd3 Bc5 (13...Qg2? 14.0-0-0 fe4 15.Ne4+-) 14.Qh5 Kd8 15.ef5 Nd7+=) 12...Ba5 (12...Bc5 13.Qg3 Qg3 14.hg3+=) 13.0-0= Nd7 14.Ne3 (14.Nbc3 Nb6 15.Bb3 Nd5 16.Nd5=) 14...Qg5 (14...Nb6 15.Be6 Kd8=) 15.Qg5 (better is 15.Qh7 Bd2 16.Nd5 Be3 17.Kh1+/-) 15...fg5+= 16.Nc3 Nf6 17.Rae1 Rb8 18.Bb5 (18.g4 Bd7+=) 18...Kd8 (18...Bd7 19.Bd3-/+) 19.Bc4 (19.Rf2 Bb6+=) 19...Bc3 (19...b5 20.Bd3-/+ (20.Nb5? Bd2 21.Bc3 Ne4 22.Bd2 Nd2-+)) 20.dc3 (20.Bc3 b5 21.Bd3 d5+=) 20...b6 (20...Bd7 21.Be2-/+) 21.Bc1 (21.Rd1 Bd7-/+) 21...h6-/+ 22.Nd5 (22.Bb2 Bd7-/+) 22...Bb7 23.Nf6 (23.h4 Nh5-/+) 23...Rf6 24.g4 (24.Bd3 Ne7-/+) 24...Ke7 (24...Na5 25.Be6 Ke7 26.h4 gh4 27.g5 Re6 28.fe6 hg5 29.Bg5 Ke6 30.Rf6 Kd5 31.Bh4-/+) 25.Ba3 Ke8 26.Bd5 (26.Rf2 Kf8-/+) 26...b5 (26...Ne7 27.Bb7 Rb7 28.Re4-/+) 27.c4 (27.Be6 Na5-/+) 27...Nd4 (27...Na5 28.Bb7 Rb7 29.cb5 Rb5 30.Re4-/+) 28.Rf2 b4! 29.Bb2 (29.Bb4 Bd5) 29...c5 30.Be4 (30.Bb7 Rb7 31.Kg2 a5-/+) 30...Be4 31.Re4 Rb6 32.c3 bc3 33.Bc3 Ra6 34.Bd4 (34.Rb2 Kd7-+) 34...cd4-+ 35.c5 Kd7 36.cd6 Kd6 37.Rfe2 Ra5 38.Kg2 (38.Rb2 Rf7-/+) 38...Rf8-+ 39.Rc2 Rb8 40.Kf2 (40.h3 Rab5-+) 40...Kd5 (better is 40...Rab5-+) 41.Rce2? (better is 41.Ree2-/+) 41...Re8-+ 42.Ke1 Ra6 43.Kd1 Rb6 (43...d3 44.R2e3 Ra2 45.h3-+) 44.Ke1 (44.Kd2 Rb2 45.Kd1 Re2 46.Re2 Rb8-+) 44...Rb1 45.Kf2 (45.Kd2 Kc4 46.R2e3 Reb8-+) 45...d3 46.Re1 Re1 47.Re1 Kd4 48.Rb1 (48.Rc1 Rb8 49.Kg2-+) 48...e4 49.Ke1 (49.Rb4 Kc3 50.Rb1 e3 51.Ke1 e2 52.Rc1 Kd4 53.Rc6 d2 54.Kd2 e1Q 55.Kc2 Re2 56.Kb3 Qb1 57.Ka4 Ra2) 49...e3 50.Rb4 (50.f6 Rf8 51.Rb4 Kd5-+) 50...Kc3 51.Rb7 Rc8 52.h3 (52.f6 Rc4 53.f7 Rg4 54.Rc7 Kb2 55.f8Q Rg1 56.Qf1 d2 57.Ke2 Rf1 58.Rb7 Ka1 59.Rd7 Re1 60.Kf3 d1B 61.Rd1 Rd1 62.a3-+) 52...Kd4 53.Rb4 Kd5 54.Rb1 Ke4 55.h4 (55.a4 d2 56.Kd1 Rc3 57.Ke2 Rc1 58.Rb4 Kd5 59.Ke3 d1Q 60.Rb5 Kd6 61.Rb3 Qb3 62.Kf2 Rc2 63.Kf1 Qb1) 55...a5 56.Kf1 (56.a4 d2 57.Kf1 Rc1 58.Kg2 Rb1 59.Kg3 d1Q 60.hg5 Qh1 61.gh6 Rg1) 56...d2 (56...d2 57.Kg2 e2 58.Rb6 e1Q 59.Rd6 Qe2 60.Kg3 Rc3 61.Rd3 Rd3) 0–1. Luzuriaga,Norberto Horacio – Krasny,Henryk Jan, corr SOK–98–132, 1998.

9.fg6 Qg7 10.Nc3 hg6 (10...Nd4 11.Rc1 hg6 12.Qg3-/+) 11.Qg3 Na5 (11...Nd4 12.Qd3-/+) 12.Bd5 Bc5 (12...c6 13.a3 Bc5 14.Ba2-/+) 13.Na4 Bg1 (13...Bd4 14.Bd4 ed4 15.Nf3+=) 14.Rg1 Bd7 (14...c6 15.Bb3-/+) 15.Nc3 Nbc6 (15...c6 16.Bb3-/+) 16.0-0-0 (16.Nb5 0-0-0+=) 16...0-0-0 17.Qf2 (better is 17.h3!?-/+) 17...Rh2-+ 18.Ne2 (18.Rdf1 f5-+) 18...f5 (18...Rdh8 19.d4-+) 19.Rh1 Rdh8 20.Rh2 Rh2 21.Kb1 (21.d4 Qe7-+) 21...Qh6 (21...fe4!? 22.Qg3 Qh8 23.Qg6-+) 22.d4 b6 (22...Qg5 23.de5 Qg2 24.Qg2 Rg2 25.Nc3 Ne5 26.ef5-+) 23.de5 de5 24.ef5 (24.Ng3 Qg5-+) 24...gf5 25.Qg3 Qh8 (25...f4 26.Qg8 Kb7 27.Be5-+) 26.Bc3 (26.Qc3 Qg7-+) 26...Rh6 (26...f4 27.Qf3 Qh5 28.Qe4-+) 27.Qd3 Rd6 28.Ng3 (28.Qa6 Kb8-+) 28...Nd4! 29.Rh1 (29.Qd4 ed4) 29...Qe8 30.Bd4 Rd5 (30...ed4 31.Qd4 f4 32.Rh8 fg3 33.Re8 Be8 34.Qg4 Kd8 35.Bf3+/-) 31.Qf3 (31.Qa6 Kb8 32.Be3 Bb5 33.Qa5 ba5 34.Nf5 Qf8-+) 31...e4 (31...Be6 32.Bb2 Nc4 33.Qe2-+) 32.Qc3 Be6 (32...f4 33.Rh8 fg3 34.Re8 Be8 35.Qe3+=) 33.Kc1 (33.Rh8 Bg8-+) 33...Qg6 (33...Nc6 34.Rh8 Bg8 35.Be3-+) 34.Be5 (34.Rh8 Kb7 35.Nh5 Qg5 (35...Qg2 36.Nf6-+) 36.Be3 Qg2-+) 34...Rc5 (34...Rc5 35.Qe3 Re5 36.Rh8 Kb7-+) 0–1. Sawamura,Tetsushi (1850) – Kunakov,Oleg (2020), IECC, 2002.

9.fg6 Qg7 10.Bf7!? Kd8 11.Qh5=+.

9.fg6 Qg7 10.gh7 Rh7 11.Qf2 Bc5 12.Qe2 Nd4 (12...Nd4 13.Bd4 Bd4-/+ (< 13...ed4 14.Nf3=+)) 0–1. Reg_UK – DaveMC, ChessWorld.net, 2006.

9.a3 Bc5

10.Nc3 g5 11.Qh5 Kd8 12.h4 Nd4 13.0-0-0 c6 14.hg5 fg5 15.f6 Qf6 16.Rf1 Qg6?? (better is 16...Qg7 17.Rf7 Qg8= 18.Na4 Ne6 19.Nc5 Nc5 20.Rb7 d5 21.Rb8 Rb8 22.Be5+=) 17.Qg6+- hg6 18.Rh8 Kc7 19.Rf7 Nd7 20.Na4 b5 (20...Ba3 21.Ba3 b5 22.c3 bc4 23.cd4 ed4 24.e5 de5 25.Nc5+-) 21.Nc5 dc5 22.Bd4 cd4 23.Be6 Rb8 24.Bd7 Rb6 (24...Bd7 25.Rb8 Kb8 26.Rd7 g4+-) 25.Rc8 Kd6 26.Bc6! (26.Bc6 Rc6 27.Rf6 Ke7 28.Rcc6 g4 29.Rce6 Kd7 30.Ra6 d3 31.Ra7 Ke8 32.Rb6 dc2 33.Rb8) 1–0. marekt (2095) – eddy6310 (1775), gameknot.com, 2014.

10.Nc3 Qg7

11.Nd5 Rf8

12.Qg3 A) 12...Rf7-/+ A1) 13.Ne3 Re7 (13...Rd7 14.Be6 Rd8 15.Nd5 Nd4 16.Bd4 Bd4+= ) 14.Nd5 gf5 15.Qh3 Rf7 16.Ne3 Be3-/+; A2) 13.Qf3 gf5 (13...Na5 14.Ba2 gf5 15.Ne3 fe4 16.Bf7 Qf7-/+ ; 13...a6 14.Nc3 Rf8 15.Nge2 Ne7 16.Qg4 Qh6-/+; 13...Nd4 14.Bd4 Bd4 15.c3 Bc5 16.Ne2 gf5+=; 13...b6 14.Rb1 gf5 15.ef5 Qg5 16.g4 Qh4-/+) 14.ef5 Na5 15.Be2 c6 16.Ne3 d5-/+; A3) 13.Nb4 gf5 (13...Rd7 14.Be6 Rd8 15.Nd5 Nd4 16.Bd4 Bd4+= ; 13...Re7 14.Nd5 Rd7 15.Nf3 Na5 16.Bd3 c6-/+) 14.Bf7 Qf7 15.ef5 Bb4 16.ab4 Nb4-/+; A4) 13.Nc3 Re7 (13...Rd7 14.Be6 Rd8 15.Nd5 Nd4 16.Bd4 Bd4= ; 13...gf5 14.Bf7 Kf7 15.Qg7 Kg7 16.Rb1 fe4-/+) 14.Nd5 Rd7 15.Nf3 Na5 16.Bd3 c6-/+; A5) 13.fg6 Qg6 (13...hg6 14.Nf3 Na5 15.Ba2 f5 16.Nc3 Rf8+= ) 14.Ne2 Na5 15.Ba2 c6 16.Ndc3 Re7+=; B) 12...Nd4 B1) 13.Bd4 Bd4 (13...ed4 14.Nf4 Qe7 15.fg6 hg6 16.Qg6 Kd8+/-) 14.c3 Bc5 15.Nf3 c6 16.Ne3 Be3-/+; B2) 13.Ne3 Nd7 (13...a6 14.c3 Ndc6 15.Nc2 Bb6 16.Bc1 Ne7-/+ ; 13...Rh8 14.c3 Ndc6 15.Nc2 Bb6 16.d3 Ne7-/+ ; 13...Qh6 14.c3 Ndc6 15.Nd5 Bb6 16.fg6 Qg6-/+; 13...b5 14.Bd5 Ndc6 15.Ne2 Qh6 16.Qf3 Be3+=) 14.c3 Nc6 15.Nd5 Nb6 16.Nb6 Bb6-/+; C) 12...a6 C1) 13.Ne2 Na5 (13...Rf7 14.Ne3 Re7 15.Nd5 Rd7 16.fg6 hg6= ; 13...Kd8 14.c3 Na5 15.Ba2 c6 16.Ne3 Be3+= ; 13...b5 14.Bb3 Rf7 15.Ne3 Rd7 16.Bd5 Re7+=; 13...b6 14.Rb1 Na5 15.Ba2 c6 16.d4 ed4=) 14.Ba2 c6 15.Ne3 Be3 16.de3 b5+=; C2) 13.Rb1 b5 (13...Rf7 14.Nc3 Re7 15.Nd5 gf5 16.Qh3 Rf7-/+ ) 14.Bb3 Na5 15.Ba2 c6 16.Ne3 Qh6-/+; C3) 13.Nh3 Nd4 (13...Rf7 14.Ne3 Re7 15.Nd5 gf5 16.Ne7 Qg3+= ; 13...b5 14.Bb3 Na5 15.d4 Bd4 16.Bd4 ed4+= ; 13...Na5 14.Ba2 Nbc6 15.Rb1 Rf7 16.Ne3 Re7+=; 13...b6 14.Nf2 Nd4 15.Bd4 Bd4 16.c3 Bf2+=) 14.Bd4 Bd4 15.c3 Bc5 16.d4 ed4-/+; C4) 13.Rd1 Nd4 (13...b5 14.Bb3 Rf7 15.Ne3 Re7 16.Nd5 gf5-/+ ; 13...Rf7 14.Ne3 Re7 15.Nd5 gf5 16.Ne7 Qg3-/+; 13...Na5 14.Ba2 Rf7 15.Ne3 Rd7 16.Ne2 Nbc6+=) 14.Bd4 Bd4 15.Ne2 c6 16.Nb4 Bc5-/+; C5) 13.Nf3 Na5 (13...b5 14.Bb3 Rf7 15.Nh4 g5 16.Nf3 g4+= ; 13...Rf7 14.Nh4 g5 15.Nf3 g4 16.Ng1 b5+= ; 13...Ra7 14.Nh4 b5 15.Bb3 g5 16.Nf3 Ne7=; 13...Na7 14.d4 ed4 15.Nd4 Nac6 16.Ne6 Be6+=) 14.Ba2 c6 15.Nc3 Qh6 16.fg6 Qg6+=; D) 12...b6 D1) 13.Nf3 Na5 (13...a6 14.Bb3 Rf7 15.Nh4 g5 16.Nf3 g4+= ) 14.Ba2 c6 15.Nc3 Qh6 16.fg6 Qg6+=; D2) 13.Rb1 Rf7 (13...Na5 14.Be2 c6 15.Nc3 Qg8 16.Qf3 Nc4-/+ ) 14.Nb4 gf5 15.Nc6 Nc6 16.Bd5 Bb7-/+; D3) 13.Ne2 Na5 (13...a6 14.c3 b5 15.Ba2 Ba7 16.d4 Kd8+=) 14.Ba2 c6 15.Nb4 Nb7 16.Rf1 a5-/+; D4) 13.Bb3 Na5 (13...Rf7 14.Ne3 Re7 15.Nd5 gf5 16.Qh3 Rd7-/+ ) 14.Nf3 c6 15.Nc3 Qh6 16.Bc1 Qh5-/+; D5) 13.Bc3 Rf7 (13...Nd4 14.Bd4 Bd4 15.c3 Bg1 16.Rg1 Ba6+= ; 13...a6 14.Nf3 b5 15.Bb3 a5 16.a4 b4+=) 14.Qh3 gf5 15.ef5 Nd4 16.Bd4 ed4+=; E) 12...Na5 E1) 13.Ba2 Na6 (13...b5 14.Ne2 c6 15.Ne3 Be3 16.de3 Nd7-/+ ; 13...c6 14.Ne3 b6 15.Ne2 Be3 16.de3 Ba6-/+ ; 13...b6 14.c3 Bg1 15.Rg1 c6 16.Ne3 Qh6=; 13...Rf7 14.Ne3 Re7 15.Nd5 Rd7 16.Ne2 c6+=) 14.c3 c6 15.Nb4 Bg1 16.Na6 Bb6-/+; E2) 13.Be2 Qf7 (13...Rf7 14.Qh3 c6 15.Ne3 d5 16.ed5 cd5-/+ ; 13...c6 14.Ne3 Qf7 15.Bc3 Bd4 16.Bd4 ed4-/+ ) 14.Bc3 Nbc6 15.Qd3 gf5 16.Ba5 Na5-/+; E3) 13.Bd3 c6 (13...a6 14.Nf3 c6 15.Ne3 b5 16.Bc3 Nb7-/+; 13...Rf7 14.Bc3 Nac6 15.Nf3 Kd8 16.fg6 hg6+=; 13...Nbc6 14.Nf3 Rf7 15.Rf1 gf5 16.Qg7 Rg7+=) 14.Ne3 b5 15.a4 b4 16.Ne2 Rg8-/+; E4) 13.Bb5 c6 (13...Nbc6 14.Bc3 Kd8 15.Bb4 Bd4 16.c3 Bg1+= ; 13...Kd8 14.Bc3 Nbc6 15.Bb4 a6 16.Be2 Ba7+=) 14.Bc3 b6 15.Ba5 ba5 16.Ba4 Rf7-/+.

12.g4 A) 12...Nd4 A1) 13.Bd4 Bd4 (13...ed4 14.Nf3 c6 15.Nf4 Qe7 16.0-0 g5-/+ ) 14.c3 Bc5 15.Nf3 c6 16.Ne3 Be3-/+; A2) 13.Ne3 b5 (13...Nd7 14.c3 Nc6 15.Nd5 Nb6 16.Nb6 ab6-/+ ) 14.Bd5 Ndc6 15.a4 ba4 16.Nf3 a3-/+; B) 12...gf5 B1) 13.ef5 b6 (13...a6 14.Nf3 b5 15.Bb3 Kd8 16.Rb1 Nd7-/+ ; 13...Na5 14.Qh5 Kd8 15.Ba2 c6 16.Ne3 d5-/+ ; 13...Nd4 14.Bd4 Bd4 15.c3 Bc5 16.Nb4 c6-/+; 13...Kd8 14.Nf3 a6 15.Bb3 b6 16.Ne3 Re8-/+) 14.Rb1 Na5 15.Be2 Bb7 16.Bf3 Qf7-/+; B2) 13.Qh5 Kd8 (13...Kd7 14.ef5 Nd4 15.Bd4 Bd4 16.c3 Bc5-/+ ) 14.ef5 Na5 15.Ba2 c6 16.Ne3 d5-/+; C) 12...b6 C1) 13.d3 gf5 (13...Nd4 14.Bd4 ed4 15.Nf3 c6 16.Nf4 Qc7+= ; 13...Na5 14.Bc1 Nc4 15.Bh6 Qf7 16.Bf8 Na3+=) 14.gf5 Na5 15.Qg3 Qg3 16.hg3 Nc4-/+; C2) 13.Nf3 Na5 (13...a6 14.g5 gf5 15.Nf6 Kd8 16.Qh7 Qh7+= ) 14.Be2 c6 15.Nb4 Qf7 16.Nd3 Nd7-/+; C3) 13.Be2 gf5 (13...Nd4 14.Bd4 Bd4 15.c3 Bc5 16.Nf3 c6-/+ ; 13...Na5 14.Nf3 c6 15.Nb4 Qf7 16.Nd3 Nd7-/+ ; 13...Nd8 14.Nf3 c6 15.Nb4 Nd7 16.Nd3 Nf7+=) 14.ef5 Nd4 15.Bd4 Bd4 16.c3 Bc5-/+; C4) 13.Rb1 Na5 (13...Nd4 14.Bd4 Bd4 15.Nf3 Bc5 16.g5 fg5= ; 13...a6 14.Nf3 Na5 15.Be2 c6 16.Nb4 Nd7+= ; 13...gf5 14.gf5 Na5 15.Be2 c6 16.Qh5 Kd8-/+) 14.Ba2 c6 15.Nc3 Bg1 16.Rg1 gf5-/+; C5) 13.Bc3 Nd4 (13...gf5 14.gf5 Nd4 15.Bd4 Bd4 16.Qg3 Qd7+= ) 14.Bd4 Bd4 15.c3 Bg1 16.Rg1 c6-/+; D) 12...a6 D1) 13.Ne2 Ra7 (13...b5 14.Bb3 Na5 15.d4 ed4 16.Nd4 Bd4+= ; 13...Kd8 14.Rf1 Nd7 15.Bb3 b5 16.a4 ba4+= ; 13...b6 14.Ba2 b5 15.c3 Kd8 16.d4 Ba7+=; 13...Na5 14.Ba2 c6 15.Nb4 d5 16.d4 ed4+=) 14.fg6 hg6 15.Rf1 g5 16.Qg3 b5-/+; D2) 13.Nf3 Na5 (13...b6 14.g5 gf5 15.gf6 Qg2 16.Rf1 Ra7+/-; 13...b5 14.Bb3 Na5 15.d4 ed4 16.Nd4 g5+=) 14.Ba2 c6 15.Nb4 d5 16.ed5 gf5+=; E) 12...Na5 E1) 13.Ba2 c6 (13...b5 14.Nf3 c6 15.Ne3 Nd7 16.Qf2 Qh6-/+ ; 13...gf5 14.Qh5 Kd7 15.ef5 c6 16.d4 Bd4+= ; 13...Na6 14.Bc3 b6 15.Ba5 ba5 16.Nf3 c6-/+; 13...b6 14.c3 c6 15.d4 cd5 16.Bd5 Bb7-/+) 14.Ne3 b5 15.Rb1 Nd7 16.Nf3 Be3-/+; E2) 13.Bb5 c6 14.Bc3 b6 15.Ba5 ba5 16.Ba4 Kd8-/+; E3) 13.Bf1 b6 (13...c6 14.Ne3 d5 15.ed5 cd5 16.Nd5 gf5-/+ ; 13...gf5 14.gf5 c6 15.Qh5 Kd8 16.Ne3 d5+= ) 14.Nf3 c6 15.Nc3 b5 16.Be2 Rg8-/+; E4) 13.Bd3 c6 (13...a6 14.Bc3 Nac6 15.Ne2 b5 16.Rf1 g5+= ; 13...gf5 14.ef5 Qf7 15.Nc3 Bd7 16.Ne4 Bc6-/+; 13...b6 14.Bc3 c6 15.Ne3 Nb7 16.Nf3 Nd7-/+; 13...Rf7 14.Bc3 Nac6 15.Ne2 a6 16.Rf1 gf5+=) 14.Ne3 b5 15.Nf3 Nd7 16.Bc3 Nb7-/+; E5) 13.Be2 a6 (13...gf5 14.Bc3 Nac6 15.ef5 Nd4 16.Bd4 Bd4-/+ ; 13...b6 14.Nf3 c6 15.Nb4 Qf7 16.Nd3 Nd7-/+ ; 13...c6 14.Ne3 Nd7 15.Bc3 Bd4 16.Bd4 ed4-/+) 14.Nf3 c6 15.Nb4 b5 16.Rb1 Nd7-/+.

12.Qg4 A) 12...a6 A1) 13.Nf3 b5 (13...Kd8 14.Qg3 b5 15.Bb3 Qh6 16.Nh4 gf5+= ; 13...Na5 14.Ba2 c6 15.Ne3 Be3 16.de3 Qh6-/+ ; 13...b6 14.c3 Na5 15.Ba2 c6 16.d4 cd5=; 13...Ra7 14.Rb1 b6 15.Bb3 Na5 16.d4 ed4+=) 14.Bb3 Rf7 15.Ne3 Re7 16.Nd5 gf5-/+; A2) 13.Rb1 Na5 (13...b5 14.Ba2 Nd4 15.Ne3 Qh6 16.c3 Nf5-/+ ; 13...Nd4 14.Bd4 ed4 15.a4 b5 16.ab5 ab5-/+ ; 13...Kd8 14.Ne2 b5 15.Bb3 Rf7 16.Qf3 gf5-/+) 14.Ba2 c6 15.Nc3 b5 16.Nf3 Ra7-/+; A3) 13.Nh3 b5 (13...Na5 14.Ba2 c6 15.Nc3 b5 16.Nf2 Qd7-/+ ; 13...b6 14.Rb1 b5 15.Ba2 Kd8 16.c3 Rf7-/+ ) 14.Bb3 Na5 15.Ba2 c6 16.Ne3 Be3-/+; A4) 13.Qg3 b5 (13...Rf7 14.Ne3 Re7 15.Nd5 gf5 16.Qh3 Rf7-/+ ; 13...Na5 14.Ba2 c6 15.Ne3 b6 16.Rd1 Nd7-/+ ) 14.Bb3 Na5 15.Nf3 c6 16.Nc3 Ra7-/+; A5) 13.Ne2 Na5 (13...b5 14.Bb3 Rf7 15.Ne3 Re7 16.Nd5 gf5+= ; 13...Kd8 14.Ng3 b5 15.Ba2 Rf7 16.Ne3 Re7-/+ ; 13...Ra7 14.Rb1 b6 15.Bb3 Na5 16.d4 ed4+=; 13...Rf7 14.Ndc3 Re7 15.Nd5 gf5 16.Qh5 Qg6+=) 14.Ba2 c6 15.Nb4 d5 16.d4 ed4-/+; B) 12...Na5 B1) 13.Be2 Nbc6 (13...Rf7 14.Qh3 c6 15.Ne3 d5 16.ed5 cd5-/+ ; 13...c6 14.Ne3 Rg8 15.Bc3 Qc7 16.Qh4 Be3= ; 13...a6 14.Nf3 c6 15.Ne3 Be3 16.de3 b6-/+) 14.Nf3 Rf7 15.c3 gf5 16.Qg7 Rg7-/+; B2) 13.Bb5 c6 (13...Nbc6 14.Bc3 Kd8 15.Nf3 a6 16.Bc6 Nc6-/+ ; 13...Kd8 14.Bc3 Nac6 15.Nf3 Rf7 16.Qh3 gf5-/+ ) 14.Bc3 Rf7 15.Ba5 cb5 16.Qf3 gf5-/+; B3) 13.Bd3 c6 (13...b6 14.Bc3 c6 15.Ne3 Nb7 16.Ne2 b5-/+; 13...Rf7 14.Bc3 Nac6 15.Ne2 a6 16.Ng3 b5-/+; 13...Nbc6 14.Ne2 Rf7 15.Nec3 a6 16.Rb1 Kd8-/+) 14.Ne3 b5 15.a4 b4 16.Rb1 Rg8-/+; B4) 13.Ba2 c6 14.Ne3 Qh6 15.Qf3 b5 16.Rd1 Be3-/+; C) 12...Kd8 C1) 13.Nf3 Rf7 (13...a6 14.Qg3 b5 15.Bb3 Qh6 16.Nh4 gf5+= ) 14.h3 gf5 15.ef5 Nd7 16.Rb1 h5-/+; C2) 13.Ne2 a6 (13...Rf7 14.Qf3 gf5 15.ef5 Na5 16.Ba2 Nbc6+= ; 13...Na5 14.Ba2 c6 15.Ne3 Qh6 16.Qf3 Nd7+= ; 13...Nd7 14.c3 Na5 15.Ba2 c6 16.Nb4 Nb6+=; 13...Qd7 14.Ng3 Nd4 15.Bd4 Bd4 16.c3 Bc5+=) 14.Ng3 b5 15.Bb3 Nd4 16.Bd4 Bd4+=; D) 12...Nd4 D1) 13.Bd4 Bd4 (13...ed4 14.Nf4 Nc6 15.Be6 Ne5 16.Qg3 Qe7= ) 14.c3 Bc5 15.Nb4 c6 16.Nd3 Bb6-/+; D2) 13.Ne3 b5 (13...Nd7 14.c3 Nc6 15.Nd5 Nb6 16.Nb6 ab6-/+ ) 14.Bd5 c6 15.Ba2 Qh6 16.c3 Nf5-/+.

12.fg6 hg6 13.Nh3 (13.Rb1 Nd8 (13...f5 14.ef5 Bf5 15.d3 Na5 16.Ba2 b5-/+; 13...Na5 14.Ba2 c6 15.Nc3 Rh8 16.Qg3 Nd7-/+; 13...a6 14.Nf3 Na5 15.Ba2 c6 16.Nb4 g5-/+; 13...Nd4 14.Bd4 ed4 15.Nf4 Rh8 16.Qg3 Rh6+=) 14.Nf3 c6 15.Nb4 b5 16.Be2 f5-/+; 13.Nf3 Na5 (13...a6 14.Rd1 b5 15.Bb3 a5 16.a4 ba4-/+; 13...b6 14.Bc3 a6 15.Bb4 b5 16.Bc5 dc5-/+; 13...a5 14.Qg3 Na7 15.d4 ed4 16.Nd4 Bd4+=) 14.Bb5 c6 15.Bc3 b6 16.Ba5 ba5-/+; 13.Ne2 Na5 (13...f5 14.Rf1 Na5 15.Bd3 c6 16.Ne3 Rh8-/+; 13...a6 14.Nef4 b5 15.Bb3 Rf7 16.Nd3 Bd4-/+) 14.Bb5 c6 15.Bc3 b6 16.Ba5 ba5-/+; 13.Rc1 Nd4 (13...Na5 14.Ba2 c6 15.Nc3 f5 16.Na4 Bg1-/+; 13...Nd8 14.Nf3 c6 15.Nc3 b5 16.Bb3 f5-/+; 13...f5 14.Nf3 Na5 15.ef5 Bf5 16.Ba2 Nbc6-/+; 13...a6 14.Ne2 f5 15.Ng3 f4 16.Nf4 Rf4-/+) 14.c3 Ne6 15.Qg4 Nc6 16.Qd1 Bg1-+) 13...Nd4 (13...a6 14.Nhf4 Nd4 15.Bd4 Bd4 16.c3 Bc3-/+; 13...Na5 14.Bb5 c6 15.Bc3 b6 16.Ba5 ba5-/+) 14.Rf1?? (14.Bd4 Bd4 15.c3 Bb6-/+ 16.Nb6 ab6-/+) 14...g5 (14...Nc2!? 15.Kd1 Na1 16.Nf6 Rf6 17.Rf6-+) 15.Ng5? (15.Qh5 Kd8 16.Bd4 Bd4-/+) 15...c6 (15...Nc2 16.Kd1 Na1 17.Nh7 Bg4 18.Kc1+=) 16.Nf6 (16.Bd4 Bd4 17.Qh7 Qh7 18.Nh7 cd5-/+ (18...Ba1?! 19.Nc7 Kd8 20.Na8+=)) 16...Rf6 17.Rf6 Qf6 (17...Nc2 18.Ke2 Qf6 19.Rf1+-) 18.0-0-0 Ne6 19.Qh5 Kd8 20.Rf1 Qg5 21.Rf8 Kc7 (worse is 21...Nf8 22.Qg5 Kc7 23.c3=) 22.Rc8 Kb6 23.Qf7 Qg2 24.Bc3 (better is 24.Kb1!? Qh1 25.Ka2 Qe4 26.d3+=) 24...Ba3-+ 25.Kb1 Qg7 26.Be6 Qf7 27.Bf7 a5 (27...a6!?+=) 28.h4+/- Ka7 29.Be6 Na6 (29...d5 30.ed5 cd5 31.Ba5+-) 30.Ra8 (30.Ba5?! Rc8 31.Bc8 d5+/-) 30...Ka8 31.h5 d5 32.Be5 Bf8 33.ed5 cd5 34.Bd5 Bh6 35.d4 Nb8 36.c4 Nc6 (36...Nd7 37.Bh8+-) 37.Bc6 (37.Bf6 Kb8+-) 37...bc6 38.Kb2 Kb7 39.Kb3 Ka6 40.Ka4 Kb6 41.c5 (41.Bf6!? Ka6+-) 41...Ka6 42.Bf6 Kb7 (42...Bf8 43.Bd8 Bh6 44.Ba5+-) 43.Ka5 Bd2 44.Ka4 Bh6 45.Kb4 Kc7 46.Kc4 Kd7 47.d5 Kc7 48.Kd4 Kd7 49.Ke5 cd5 50.Kd5 Kc7 51.Be5 Kd7 52.c6 Kc8 53.Ke4 Kd8 54.Bf4 Bg7 55.h6 (55.h6 Bh6 56.Bh6 Kc7 57.Kd5 Kc8 58.Kd6 Kb8 59.Kd7 Ka7 60.c7 Ka6 61.c8Q Ka5 62.Bd2 Kb6 63.Qc6 Ka7 64.Be3 Kb8 65.Qc8) 1–0. Lamy,Loic – Alberny,Maurice (1915), corr ICCF EM/H/058 Email, 2001.

12.Qh3 A) 12...Na5 A1) 13.Be2 Nbc6 (13...gf5 14.ef5 b6 15.Nf3 Bb7 16.Nf4 ef4-/+ ; 13...c6 14.Ne3 Be3 15.de3 d5 16.Bc3 Nc4-/+ ; 13...Kd8 14.Nf3 gf5 15.ef5 Nbc6 16.Rf1 Qf7-/+) 14.Rb1 Nd4 15.Bd4 Bd4 16.Nf3 Bc5-/+; A2) 13.Bd3 gf5 (13...c6 14.Ne3 b5 15.a4 a6 16.ab5 ab5-/+; 13...Kd8 14.Bc3 Nac6 15.Qg3 Rf7 16.fg6 Qg6-/+; 13...Nbc6 14.Nf3 Qf7 15.g4 a6 16.Be2 Kd8+=; 13...a6 14.Nf3 gf5 15.Bc3 Nac6 16.ef5 Kd8-/+) 14.ef5 c6 15.Ne3 b5 16.g4 d5-/+; A3) 13.Bb5 c6 (13...Kd8 14.Bc3 Nbc6 15.Nf3 gf5 16.ef5 Qf7-/+ ; 13...Nbc6 14.Rb1 a6 15.Be2 b5 16.Nf3 gf5-/+ ) 14.Bc3 b6 15.Ba5 cb5 16.Bb4 gf5-/+; A4) 13.Bf1 gf5 (13...c6 14.Ne3 Be3 15.de3 Qc7 16.Rd1 Na6-/+ ; 13...Nbc6 14.Nf3 Qf7 15.g4 Kd8 16.Qh6 a6+= ; 13...Kd8 14.Ne3 Be3 15.de3 Qf7 16.Bd3 Nc4-/+) 14.ef5 Qf7 15.Qd3 c6 16.Ne3 b6-/+; A5) 13.Ba2 gf5 (13...c6 14.Ne3 Be3 15.de3 d5 16.Bc3 Nc4-/+ ) 14.ef5 c6 15.Ne3 d5 16.Nf3 Rg8-/+; B) 12...a6 B1) 13.Nf3 b6 (13...gf5 14.Nh4 Na5 15.Be2 c6 16.Ne3 Be3-/+ ; 13...Na5 14.Ba2 c6 15.Ne3 d5 16.ed5 Be3-/+ ; 13...b5 14.Bb3 gf5 15.Nh4 Kd8 16.Nf5 Bf5-/+; 13...Kd8 14.Qg3 b5 15.Bb3 Qh6 16.Nh4 gf5+=) 14.Qg3 Na5 15.Ba2 c6 16.Nb4 Ra7-/+; B2) 13.Qg3 b5 (13...Rf7 14.Ne3 Re7 15.Nd5 gf5 16.Qh3 Rf7-/+ ; 13...Na5 14.Ba2 c6 15.Ne3 b5 16.Ne2 Be3-/+ ; 13...b6 14.Nf3 Na5 15.Ba2 c6 16.d4 ed4-/+) 14.Ba2 Rf7 15.Nb4 Re7 16.Bd5 Bb7-/+; B3) 13.Rb1 Nd4 (13...gf5 14.ef5 b5 15.Ba2 Kd8 16.Nf3 Re8-/+ ; 13...Na5 14.Ba2 gf5 15.ef5 c6 16.Ne3 b5-/+ ; 13...Kd8 14.Nf3 b5 15.Bb3 gf5 16.ef5 Re8-/+; 13...b5 14.Ba2 gf5 15.ef5 Kd8 16.Nf3 Re8-/+) 14.Bd4 Bd4 15.Nf3 Bc5 16.a4 c6-/+; B4) 13.Bb3 Na5 (13...Nd4 14.Bd4 Bd4 15.c3 Bc5 16.Nf3 Nc6-/+ ; 13...gf5 14.ef5 Na5 15.Ba2 c6 16.Ne3 d5-/+ ; 13...Kd8 14.Nf3 gf5 15.ef5 Nd7 16.g4 e4-/+) 14.Ba2 gf5 15.ef5 c6 16.Ne3 d5-/+; B5) 13.Ne2 b5 (13...Na5 14.Ba2 c6 15.Ne3 Be3 16.de3 b5+= ; 13...b6 14.Ng3 b5 15.Bb3 Na5 16.Qg4 Ra7-/+ ) 14.Bb3 Kd8 15.g4 Nd7 16.a4 ba4-/+; C) 12...gf5 13.ef5 Nd4 (13...a6 14.Nf3 Kd8 15.Rb1 b5 16.Bb3 e4-/+ ; 13...Na5 14.Be2 b6 15.Nf3 Bb7 16.Nf4 ef4-/+ ; 13...Kd8 14.Nf3 e4 15.Nh4 Ne5 16.Bb3 Re8-/+) 14.Bd4 Bd4 15.c3 Bc5 16.Nf3 c6-/+.

8.f5 gf5

9.a3 Bc5 10.Qh5 Kd7 11.Qf5 Ke7 12.Qf3 Nd4+=.

9.c3 Bc5 10.Qh5 Kd7 11.Qf5 Ke7 12.Qf3 Na5-/+.

9.Nc3 Bc3

10.Qh5 Kd7 11.Bc3 Qe7 12.ef5 Nd4 (12...Kd8 13.Nf3+=) 13.Bd4= ed4 14.Ne2 (14.Kf2 Kd8=) 14...c6 (14...Re8 15.Bf7 Rf8 16.Be6 Kd8 17.Nf4=) 15.0-0+= d5 16.Bb3 (16.Bd3 Re8+=) 16...d3= 17.Nd4 dc2 (17...Re8 18.Rf3=) 18.Rfe1+= Qg7 19.Ne6 (worse is 19.Nc2 Kd8+=) 19...Qg5?? (better is 19...Qg8+/-) 20.Qf7 Kd6 21.Qc7 1–0. Janek – Erendor, internet, 2017.

10.Qh5 Kd7 11.Bc3 Ne7 12.d3 A) 12...Kc6 13.Rb1 (13.Qf7 fe4 14.Rb1 a6 15.de4 Qf8 16.Qh5 b5 17.Bb3 Qg7-/+) 13...a6 14.Ne2 fe4 15.de4 Qf8 16.0-0 b5 17.Bd5 Nd5-/+; B) 12...fe4 13.de4 a6 14.Nf3 Kc6 15.Rb1 Qf8 16.0-0 b5 17.Be2 Qg7-/+.

10.Qh5 Kd7 11.Bc3 Ne7 12.d4 A) 12...fe4 13.Rd1 (13.de5 fe5 14.Be5 Rf8 15.Qh7 Rf5 16.Bb2 c6 17.0-0-0 d5=) 13...ed4 14.Bd4 Qf8 15.Qg4 Kd8 16.Qh4 Qg7 17.Bf6 Qf8+/-; B) 12...Kc6 13.Rd1 (13.d5 Kd7 14.ef5 Qg8 15.g4 b6 16.Qh4 Bb7 17.Ne2 Bd5-+) 13...Qf8 14.d5 Kd7 15.ef5 Rg8 16.g4 Rg5 17.Qh4 h5-/+.

10.Qh5 Kd7 11.Bc3 Ne7 12.Ne2? c6 (better is 12...fe4!? 13.0-0 Rf8-/+) 13.ef5+= Kc7 14.Be6 (better is 14.Ng3!?+=) 14...Be6-+ 15.fe6 Qg8 16.Qh3 f5 17.Qh6 Qg6 18.Qg6 hg6 19.d4 e4 20.Bd2 Na6 21.c4 Rae8 22.0-0 b6 23.Bg5 d5 (23...Rh5!? 24.h4 Nb4-/+) 24.Nf4+= Rhg8 25.Be7 Re7 26.cd5 cd5 (26...Nb4!? 27.Rac1 Kd6 (worse is 27...Na2 28.Rc6 Kb7 29.d6+/-) 28.dc6 Na2+=) 27.Nd5= Kd6 28.Ne7 Ke7 29.Rac1 Ke6 30.Rc4 Rg7 31.Kf2 f4 32.Ke2 g5 33.Ra4 Nb8 34.Rd1 Kd5 35.Rb1 Nc6 (35...Kc6!?=) 36.Rb5+= Kd6 37.d5 Ne5 38.Re4 Rh7 39.h3 Rc7 40.Rd4 Rc2 41.Rd2 ½–½. marekt (2050) – dinofan (1755), gameknot.com, 2014.

10.Qh5 Kd7 11.Bc3 Ne7 12.ef5 A) 12...Kc6 13.g4 (13.Rb1 d5 14.Bb5 Kd6 15.g4 a6 16.Be2 d4 17.Bb2 Nd5+=) 13...d5 14.Bb3 a5 15.a4 Qe8 16.Qh6 Qf8 17.Qh5 d4+=; B) 12...d5 13.Bb5 (13.Be2 d4 14.Bb4 Nbc6 15.Ba3 Qg8 16.Bf3 d3 17.c3 Qc4-/+; 13.Bb3 a5 14.a4 c5 15.Rb1 c4 16.Ba2 Kc7 17.Rb5 b6-/+) 13...c6-/+ 14.Be2 c5 15.g4 Nbc6 16.a3 Qb6 17.Rd1 Nd4-/+.

10.Qh5 Kd7 11.Bc3 Ne7 12.ef5 d5 13.Bb5 c6 14.Be2-/+.

9.Qh5 Kd7

10.a3 Bc5 11.Qf5 Ke7 12.Qf3+=.

10.c3 Bc5 11.d4 ed4 12.cd4 Nd4-/+.

10.ef5 Qe8 11.Qh4 Qf8 12.Nc3 Bc3 13.Bc3 Kd8 14.Rb1 Bf5 15.Rb7 Nd7 16.Bd5 (better 16.Ne2!?=) 16...Ne7-/+ 17.Qc4? (17.Bf3 e4 18.Bh5-/+ (18.Be4?? Ng6 19.Qf2 Be4-+)) 17...Nd5 18.Qd5 Nb6?? (better 18...Nc5 19.Rb4 c6 20.Qc6 Rc8-+) 19.Rb6!+- ab6 (19...ab6 20.Qa8 Discovered attack (20.Qa8 Remove defender); 19...cb6 20.Qa8 Double attack (20.Qa8 Discovered attack; 20.Qa8 Remove defender)) 20.Qa8 Ke7 21.Qf8 (better 21.Qc6!? Qd8 22.Ne2+-) 21...Rf8+/- (21...Kf8? 22.d3+-) 22.d3 Ra8 23.Kd2 Ra2 24.Nf3 e4? (24...d5!?+/-) 25.Nd4 (better 25.Re1!? Kf7 26.de4 Bc8+-) 25...Bg6 26.Ra1 Ra1 27.Ba1 ed3 28.cd3 c5 29.Nf3 d5 30.g4 Ke6 31.h4 White prepares the advance g5 31...h5 32.g5 f5? (better 32...d4=) 33.Ne5+- Be8 34.Ke3 d4 35.Kf4 Kd5?? (35...Ba4 36.Nc4 b5 37.Na5+-) 36.g6 (better 36.Kf5 Kd6 37.Nc4 Kc7+-) 36...Bg6?? (36...Ke6+-) 37.Ng6 c4 (37...Ke6 38.Kg5 b5 39.Nf4 Ke7 40.Kf5+-) 38.dc4 Kc4 39.Ne5 Kb3 40.Bd4 (better 40.Kf5!? d3 41.Nd3 b5+-) 40...Kc2 (40...b5 41.Kf5 Kc2+-) 41.Bb6 1-0. carlos78 (2290) - baran2000 (2125), Rated Blitz game, lichess.org, 2015.

10.ef5 Qf8 11.Nc3 Bc3 12.Bc3 Ne7 13.Nf3 d5 14.Bb3 c6 15.0-0 Kc7 16.Bb4 Nd7 17.a4 c5 18.Ba3 b6 19.a5 b5 20.d4 e4 21.Nd2 b4-/+ 22.Bb2 c4 23.Bc4 dc4 24.Nc4? Ba6 25.Ne3 Bf1 26.Rf1 Kb7 27.Qh4 Nc6 28.Qe4 Qe7?? 29.Qf3?? Rae8?? 30.Bc1?? Qe4-+ 31.Nc4 Qf3 32.gf3 Nd4 33.Nd6 Kc6 34.Ne8 Re8 35.Bb2 Nc2 36.Rc1 b3 37.Kf2 Kb5 38.Bc3 Kc4 39.Bb2 Nc5 40.Bf6 Nd3 41.Kg3 Nc1 42.Bb2 Nd3 43.Bg7 Rg8 44.f6 b2 45.f7 Rg7 46.Kh4 Rf7 47.Kg5 b1Q 48.f4 Qf1 (48...Qf1 49.Kg4 Rg7 50.Kf5 Qf4 51.Ke6 Nd4; 48...Qg1 49.Kh5 Rf4 50.h3 Qg6) 0–1. orangutanb4 (1940) – ffn55 (1760), kurnik, 2011.

10.Qf7? Qe7-+ 11.Be6 Kd8 12.Qe7 Ne7 13.Bc8 Kc8 14.ef5 Nf5 (14...Rg8 15.g3-+) 15.Nf3 (15.Ne2 Rg8 16.0-0 Rg5-+) 15...Kd7 16.0-0 Ke6 17.d4 (17.Nc3 Na6-+) 17...e4 (17...Ne3 18.Rf2 Nd1 19.Re2 Nb2 20.c3 Bc3 21.Nc3-+) 18.Nfd2 (18.Ng5 fg5 19.d5 Kd5 20.Rf5 Ke6-+) 18...d5 (18...Ne3 19.c3 Nf1 20.Kf1-+) 19.c4 (19.Ne4 Ne3 20.Nc5 Kf7-+) 19...c6 (19...Ne3 20.cd5 Kd5 21.Rf6-+) 20.Nc3? (20.cd5 cd5 21.Ne4-/+) 20...Ne3 (worse 20...Nd4 21.cd5 cd5 22.Rf6 Kf6 23.Nd5 Kg6 24.Nb4-+) 21.Rf2 f5 (21...Nc4?! 22.Nc4 Bc3 23.Bc3 dc4 24.Re1-+) 22.Re1 (22.cd5 Nd5 23.Nde4 fe4 24.Ne4 Na6-+) 22...Ng4 (22...Nc4!? 23.Nc4 dc4 24.g4-+) 23.Rfe2 Nd7 24.h3 (24.Rf1 Rhg8-+) 24...Ngf6 25.cd5 cd5 26.Nb3 (26.Rf1 Rhc8 27.Re3 Rc6-+) 26...Bc3 (26...Rac8 27.Rc1-+) 27.Bc3 Rhc8 (27...f4 28.Rf2 Nh5 29.Bd2-+) 28.Bb2 (28.Bd2 Rc4-+) 28...Rc4 (28...f4 29.Bc1 Nh5 30.Nd2-+) 29.Rf1 (29.Bc1 a5 30.Be3 a4-+) 29...Rac8 30.Bc1 Rc2 (30...Nh5 31.Ref2-+) 31.Rc2 Rc2 32.a4 (32.Rf2 Rc4 33.Be3-+) 32...Rc3 33.Nd2 (33.Na5 b6 34.Nb7 Rc7 35.Nd8 Ke7-+) 33...Nb6 (33...Rd3 34.Nb1-+) 34.Re1 (34.a5 Nbd7-+) 34...Na4 35.Nf1 (35.Nf3 b5-+) 35...b5 36.Bd2 (36.Bg5 Ne8-+) 36...Rc2 (36...Rc4 37.Be3-+) 37.Bb4 (37.Bg5 Nc3 38.Kh2 Nh5-+) 37...Rc4 38.Bf8 (38.Bd2 Rd4 39.Be3 Rd3 40.Ba7 f4-+) 38...Rd4 39.Ne3 Rd3 40.Nc2 Rd2 (better 40...a5-+) 41.Bg7 (41.Nb4-+) 41...Rc2 42.Ra1 (42.Rf1 Nh5 43.Bd4 Ng3-+) 42…e3 0-1. pacal56 (2175) - mecker (2190), Rated Blitz game, lichess.org, 2014.

10.Qf7? Qe7-+ 11.ef5 Qf7 12.Bf7 Ke7 13.Bb3 Bf5 14.Nc3 Bc3 15.Bc3 Nd7 16.0-0-0 (16.Ne2 Be6-+) 16...Nc5 17.Nf3 (17.Ne2 Nb3 18.ab3 Rhg8-+) 17...Nb3 (17...Ne4 18.Rde1 Nc3 19.dc3-+) 18.ab3 a5 19.d4 Bg4 (19...Rhg8 20.Rd2-+) 20.de5 (20.Rhe1 Rhg8-+) 20...fe5 21.Rde1 Bf3 22.gf3 Raf8 23.Rhg1 (23.Rhf1 Rf5-+) 23...Rhg8 (23...Rf3!? 24.Kd2-+) 24.Rg7 (24.Rg8 Rg8 25.Re4-+) 24…Rg7 0-1. pacal56 (2170) - mecker (2260), Rated Blitz game, lichess.org, 2014.

10.a3 Ba5

11.Ne2 fe4?! 12.Qg4 Ke8 13.Qh5 Kd7 14.Qg4 Ke8 15.Qh5 Kd7=.

11.Ne2 Ne7-/+ 12.Nbc3 c6 13.0-0? (13.ef5 d5 14.Bb3 Qe8-/+) 13...Qe8?? (13...Qb6 14.Kh1 fe4-/+) 14.Bf7+= Qf8 15.ef5 Kc7 16.d4 (16.Ng3 Nd7+=) 16...Bb6 (16...Nf5 17.de5 Bc3 18.Bc3 fe5 19.Rf5 Bf5 20.Qf5=) 17.Kh1 (17.Ne4 Bf5 18.Nf6 Bg6 (worse is 18...Bc2 19.Ne8 Kd8 20.Nd6+/-) 19.Bg6 hg6-/+ (19...Ng6? 20.Nd5 cd5 21.Rf8 Nf8 22.Kh1+-)) 17...Bf5 18.de5 de5 19.Rf5 Nf5 20.Qf5 Qf7 21.Nb5 cb5 22.Be5 Kc6 (22...fe5 23.Qf7) 23.a4 (better is 23.Qf3 Kc5 24.Qe3 Kc6 25.Qf3 Kc5 26.Qe3 Kc6 27.Qf3=) 23...Bc5-+ (23...fe5? 24.Qf7 Nd7 25.Rd1+-) 24.Nc3 a6?? (24...b4 25.Qf3 Kd7 26.Qb7 Ke6 27.Qd5 Ke7 28.Qc5 Ke8 29.Qc8 Ke7 30.Bd6 Kd6 31.Rd1 Ke7 32.Re1 Kd6 33.Nb5 Kd5 34.Rd1 Ke5 35.Qc5 Kf4 36.Rf1 Kg4 37.Qf5 Kh4 38.Rf4) 25.ab5+- Kb6 26.Bf6 (26.Bb8 Rab8 27.Na4 Ka7 28.Qc5 (28.Nc5?! Rbd8 29.Qf2 Ka8+/-) 28...b6 29.Nb6 Rb6 30.Ra6 Kb8 31.Rb6 Qb7 32.Rb7 Kb7 33.Qc6 Kb8 34.b6 Rc8 35.Qd7 Rc3 36.Qa7 Kc8 37.b7 Kd7 38.b8Q Ke6 39.Qe8 Kf5 40.Qh7 Kf4 41.Qhe4 Kg5 42.Q8g6) 26...Qf8 27.Qe6 Nc6?? (better is 27...Qd6 28.Qb3 Nc6 29.bc6 Kc6+-) 28.bc6 Qd6 (28...Qc8 29.Rb1 Ka7 30.Rb7 Qb7 31.cb7+-) 29.Rb1 (29.Rb1 Kc6 30.Qe4 Kd7 31.Qb7 Ke6 32.Bh8 Rh8 33.Re1 Kf5 34.Qf7 Qf6 35.Rf1 Bf2 36.Rf2 Kg4 37.h3 Kg3 38.Qf6 Re8 39.Rf3) 1–0. Brinkmann,Wilhelm – Grund,Karl, corr, 1985.

11.Ne2 Ne7!? 12.ef5 d5-/+.

11.Qf5 Ke7 12.Qf3 Qd7=+.

11.Ne2 Qe8

12.Qf5= Ke7

13.Qf3 Nd7 A) 14.Nbc3 A1) 14...Rf8 15.Nd5 (15.Bb5 Nb6 16.Rf1 Kd8 17.Nd5 a6 18.Nb6-/+ ; 15.Ng3 Nd4 16.Nd5 Kd8 17.Bd4 ed4 18.0-0-0+=; 15.0-0 Nb6 16.Bd3 Qg6 17.Ng3 Bg4 18.Qe3+=; 15.Rf1 Nb6 16.Nd5 Kd8 17.Nb6 Bb6 18.Ng3+=) 15...Kd8 16.Rb1 Nb6 17.Nb6 Bb6 18.Ng3+=; A2) 14...Qg6 15.Rf1 (15.Nd5 Kd8 16.Ng3 Nb6 17.Nb6 Bb6 18.Rf1+= ) 15...Kd8 16.Bd5 Bc3 17.Bc3 Ne7 18.Bb3+= ; A3) 14...Bc3 15.Nc3 Qg6 16.Nd5 Kd8 17.0-0 Rf8 18.Ne3+= ; A4) 14...Nb6 15.Nd5 (15.Bb3 Qg6 16.Rf1 Rf8 17.Ng3 Nd4 18.Qd3+= ; 15.Bb5 Rf8 16.Nd5 Kd8 17.Rf1 a6 18.Nb6-/+ ) 15...Nd5 16.ed5 Nb8 17.Rf1 Qg6 18.h3+=; A5) 14...Kd8 15.0-0 Rf8 16.Bb5 Nc5 17.Kh1 Qg6 18.Bc6-/+ ; B) 14.0-0 B1) 14...Kd8 15.d3 (15.Ng3 Bb6 16.Kh1 Qg6 17.Nf5 Nc5 18.Bb5+= ; 15.Kh1 Rf8 16.Ng3 Nb6 17.Bb3 Qg6 18.c3+= ) 15...Rf8 16.Ng3 Nb6 17.Bb3 Qg6 18.Nf5+=; B2) 14...Rf8 15.Bb5 (15.Ng3 Qg6 16.Nf5 Kd8 17.c3 Nb6 18.Bb3+= ) 15...Qg6 16.Ng3 Bb6 17.Kh1 Nc5 18.Nf5+= ; B3) 14...a6 15.Bd5 (15.Ng3 Qg6 16.Nf5 Kd8 17.Bd5 Nb6 18.Bc6+= ; 15.Nbc3 Rf8 16.Nd5 Kd8 17.Rad1 Nb6 18.Ne3+=) 15...Qg6 16.Ng3 Kd8 17.Kh1 Rf8 18.Be6+=; B4) 14...Bb6 15.Kh1 Qg6 16.Nbc3 Bc5 17.d4 Nb6 18.dc5= ; B5) 14...Qg6 15.Ng3 (15.Nbc3 Nb6 16.Bb5 Rf8 17.Rab1 Bg4 18.Qe3+=; 15.h3 Bb6 16.Kh2 Kd8 17.Ng3 Nd4 18.Bd4+= ; 15.Bb5 a6 16.Bc4 Nc5 17.Ng3 Bg4 18.Qe3-/+ ; 15.Ba2 Bb6 16.Kh1 Nc5 17.Ng3 Bg4 18.Qe3-/+) 15...Kd8 16.Be6 h5 17.Nf5 Bb6 18.Kh1+=; C) 14.Ng3 C1) 14...Nb6 15.Bb3 (15.Bb5 a6 16.Bc6 Qc6 17.Bc3 Bc3 18.Nc3+= ; 15.Be2 Qg6 16.Rf1 Na4 17.Bc3 Bc3 18.Nc3-/+ ) 15...Qg6 16.0-0 Bg4 17.Qf2 Nd7 18.Nc3=; C2) 14...Qg6 15.0-0 (15.Rf1 Nb6 16.Bb5 Rg8 17.Bc6 bc6 18.Bc3+= ; 15.Nf5 Kd8 16.0-0 Nc5 17.d3 Na4 18.Bc1+= ; 15.Bd5 Nc5 16.Nf5 Kd8 17.0-0 Ne7 18.Nh4-/+; 15.c3 Nc5 16.h3 Bb6 17.Bd5 Kd8 18.Rf1-/+) 15...Bb6 16.Kh1 Nd4 17.Qd1 Kd8 18.Bd4+=; C3) 14...Bb6 15.Nc3 (15.Rf1 Nd4 16.Bd4 ed4 17.Nf5 Kd8 18.Ng7+= ; 15.Nf5 Kd8 16.Nc3 Nd4 17.Nd4 Bd4 18.Nd1+= ; 15.h3 Kd8 16.Rf1 Rf8 17.Nf5 Nc5 18.d3+=; 15.Ra2 Kd8 16.Nf5 Ne7 17.Ne7 Qe7 18.Nc3+=) 15...Qg6 16.Nd5 Kd8 17.Rf1 Rf8 18.Nf5=; C4) 14...Kd8 15.Rf1 (15.0-0 Bb6 16.Kh1 Qg6 17.Nf5 Nc5 18.d3+= ; 15.c3 Qg6 16.Rf1 Nb6 17.Bb3 Rf8 18.Qf2+= ; 15.Rg1 Rf8 16.Nf5 Nc5 17.g4 Nd4 18.Nd4-/+; 15.Nf5 Nc5 16.0-0 Bf5 17.Qf5 Ne7 18.Qf3-/+) 15...Nd4 16.Bd4 ed4 17.Bb3 Rf8 18.Qf5+=; D) 14.Nec3 D1) 14...Kd8 15.Na4 (15.Ne2 Rf8 16.Ng3 Nc5 17.Rf1 Qg6 18.h3-/+ ; 15.Nd5 Rf8 16.0-0 Qg6 17.Ne3 Bb6 18.Kh1-/+ ) 15...Rb8 16.Bb5 Nd4 17.Bd4 ed4 18.0-0-/+; D2) 14...Rf8 15.Nd5 (15.0-0 Nb6 16.Nd5 Kd8 17.Bb5 Nd5 18.ed5-/+ ; 15.Bb5 Nc5 16.Nd5 Kd8 17.Bc3 Qg6 18.Bc6-/+ ; 15.g4 Nd4 16.Qd1 Qg6 17.h3 Nc5 18.d3-+; 15.Be2 Kd8 16.Nd1 Nc5 17.g4 Qg6 18.Nf2-+) 15...Kd8 16.0-0 Qg6 17.Ne3 Bb6 18.Be6-/+; E) 14.Rf1 E1) 14...Kd8 15.Bd5 (15.Bb3 Rf8 16.Ng3 Nc5 17.Bc4 Qg6 18.h3-/+ ; 15.Bb5 a6 16.Bc6 bc6 17.Ng3 Qg6 18.Bc3-/+ ; 15.Ba2 Rf8 16.Ng3 Nc5 17.Bc4 Qg6 18.h3-/+; 15.Ng3 Rf8 16.Nf5 Nc5 17.Rf2 Bf5 18.ef5-/+) 15...Rf8 16.Bc3 Bc3 17.Nbc3 Ne7 18.Be6+=; E2) 14...Qg6 15.Bd5 (15.Ng3 Nb6 16.Bb5 Bg4 17.Qf2 Bd7 18.Bc6+= ; 15.Nbc3 Kd8 16.Bd5 Bc3 17.Bc3 Ne7 18.Ba2+=; 15.Bb3 Nc5 16.Nbc3 Rf8 17.Ng3 Qh6 18.0-0-0-/+ ; 15.h3 Kd8 16.h4 Nb6 17.Bb5 Rf8 18.Bc6-/+) 15...Kd8 16.Nbc3 Bc3 17.Bc3 Ne7 18.Bb3+=; E3) 14...Qf8 15.Bd5 (15.Nbc3 Qh6 16.h3 Kd8 17.Bd5 Qh4 18.g3= ; 15.h3 Qh6 16.Nbc3 Nb6 17.Bb3 Rf8 18.g4+= ; 15.Ng3 Kd8 16.Bd5 Ne7 17.Be6 Qh6 18.Bd7+=; 15.Bb3 Qh6 16.h3 Kd8 17.Nbc3 Nc5 18.Bd5+=) 15...Qh6 16.h3 Ke8 17.Nbc3 Nd4 18.Nd4=; E4) 14...Bb6 15.Nbc3 (15.Ng3 Kd8 16.Nf5 Qg6 17.Bd5 Re8 18.h4+= ; 15.d3 Qg6 16.Nbc3 Ba5 17.Qf2 Nb6 18.Bb3+= ; 15.h3 Kd8 16.Ng3 Rf8 17.Nf5 Nc5 18.d3+=; 15.Bd5 Kd8 16.Nbc3 Nd4 17.Nd4 Bd4 18.Nd1+=) 15...Qg6 16.Nd5 Kd8 17.Ng3 Rf8 18.Nf5=; E5) 14...Rf8 15.Ng3 (15.Bb5 Nb6 16.Ng3 a6 17.Bc6 Qc6 18.Bc3+= ) 15...Nb6 16.Bb3 Qg6 17.Nf5 Bf5 18.Qf5+=.

13.Qf3 Be6?? 14.Be6+- Ke6 15.Qb3 Kd7 16.Qb7 Bb6 (16...Qg6 17.Ng3 (17.Qa8?! Rg8+-) 17...Rc8 18.Qa8+-) 17.Qa8 Qg6 18.Nbc3 Qg2 19.0-0-0 Rf8 (19...Ne7 20.Ng3+-) 20.Ng3 Qf2 (20...Ne7 21.Nd5+-) 21.Nd5 Qc5 (21...Qg2 22.Rdf1+-) 22.Rhf1 Ke6 23.Nb4! Ne7 (23...Nb4 24.ab4) 24.d4 ed4 25.Bd4 (25.Nf5!? Nd7 26.Qb7 Nf5 27.ef5 Kf7 28.Bd4 Qa5+-) 25...Qg5 26.Kb1 c5 (26...Bd4 27.Rd4 Qc5+-) 27.Bf6! Rf6 28.Qb8 Kd7 (28...Kf7 29.e5 Qe5 30.Nd3+-) 29.Rf6 (29.e5 Rf1 30.Qd6 Kc8 31.Qd7 Kb8 32.Rf1 Qg8 33.Na6 Ka8 34.Qe7 Qc8 35.Rf7 Qd7 36.Qd7 c4 37.Qd5) 29...Qf6 30.Rf1 Qd4 (30...Qf1 31.Nf1 cb4 32.ab4 h5+-) 31.Qb7 Ke6 32.Nc6 (32.Nc6 Qg7 33.Nh5 Qg5 34.Nf4 Kf7 35.Nh3 Kg6 36.Ne7 Kh6 37.Ng5 Kh5 38.Qd5 Kg4 39.Qf5 Kh5 40.Nh7 Kh6 41.Qg6) 1–0. Schirmer,Michael – Bedbur,Heinz, BdF, 1985.

13.Qf3 Rf8 A) 14.g4 h5 15.h3 (15.gh5 f5 16.Ng3 f4 17.Ne2 Kd8 18.Rg1+=) 15...hg4 16.hg4 Qg6 17.Rh4 Qg5 18.Qh3+=; B) 14.Ng3 B1) 14...Qg6 15.Nc3 (15.Nf5 Bf5 16.ef5 Qh6 17.Kd1 Kd8 18.d3+= ; 15.Rf1 Kd8 16.Nf5 Bf5 17.Qf5 Nd7 18.Rf2-/+ ; 15.Bd5 Kd8 16.Nf5 Ne7 17.Ne7 Ke7 18.Rf1-/+; 15.0-0 Kd8 16.Qd3 Nd7 17.Qf3 Nc5 18.Nf5+=) 15...Bg4 16.Nd5 Kd8 17.Qf1 f5 18.ef5=; B2) 14...a6 15.0-0 (15.Nc3 Qg6 16.Nd5 Kd8 17.Ne3 Ne7 18.Rf1+= ; 15.Rf1 Kd8 16.Nf5 Ne7 17.Ng7 Qg6 18.Ne6+= ; 15.Qd3 Nd7 16.0-0 Nc5 17.Qf3 Qg6 18.Nf5+=) 15...Bb6 16.Kh1 Kd8 17.Nf5 Bf5 18.ef5=; B3) 14...Bb6 15.Nc3 (15.Rf1 Kd8 16.Nc3 Qg6 17.Na4 Ba5 18.Qd3+= ; 15.Qd3 Qg6 16.Rf1 h5 17.Bd5 Kd8 18.Qe2+= ) 15...Kd8 16.Nd5 Na5 17.Be2 Qa4 18.Rc1=; B4) 14...Bd7 15.Nc3 (15.0-0 Qg6 16.Nf5 Bf5 17.ef5 Qg5 18.d3= ; 15.Rf1 Qg6 16.Nf5 Bf5 17.Qf5 Qf5 18.Rf5= ; 15.Nf5 Bf5 16.ef5 Kd8 17.Bd5 Bb6 18.Qh3+=; 15.Bd5 Kd8 16.Rf1 Qg6 17.c4 Bb6 18.Bc3+=) 15...Qg6 16.Nd5 Kd8 17.Nf5 Bf5 18.ef5=; B5) 14...Kd8 15.0-0 (15.Rf1 Qg6 16.Nf5 Bf5 17.Qf5 Nd7 18.Rf2-/+ ; 15.Qd3 Nd7 16.Rf1 Nc5 17.Qe3 Na4 18.Ra2-/+ ; 15.Rg1 Nd4 16.Bd4 ed4 17.Rf1 Nd7 18.Be2-/+; 15.Nf5 Ne7 16.g4 Qc6 17.Bb3 Bf5 18.gf5+=) 15...Qg6 16.Kh1 Ne7 17.d4 ed4 18.Bd4+=.

13.Qf3 Qg6

14.0-0 Bg4 (14...Bb6 15.Kh1 Bg4 16.Qd3 Nd7 17.Nbc3 Na5 18.Na4-/+) 15.Qd3 Nd7 16.Nec3 Bb6 17.Kh1 Nc5 18.Qe3-/+.

14.Nbc3 Bc3 15.Nc3 (15.Bc3 Bg4 16.Qe3 Nd7 17.Rb1 Nb6 18.Bb5+=) 15...Kd8 16.0-0 Rf8 17.Nd5 Bg4 18.Qb3+=.

14.Nbc3 Kd8!?+= 15.Nd5 (15.Rf1 Rf8 16.Ng3 Qh6 17.h3 Nd4 18.Qd3+=; 15.Rb1 Bg4 16.Qf2 Bb6 17.Qh4 Nd7 18.Ng3+=) 15...f5 16.Bd3 Qh6 17.ef5 Bd2 18.Kd1+=.

14.Nbc3 Be6 15.Nd5 (15.Be6 Ke6 16.Nd5 Kd7 17.Ng3 Rf8 18.Rb1+=) 15...Bd5 16.Bd5 Nd7 17.0-0-0 (17.Ng3 Ke8 18.Rb1+=) +/-. Nestorovich – Piskunov, Minsk, 1962.

14.Nbc3 f5 15.Nf4 (15.Bd3 fe4 16.Be4 Qh6 17.Rb1 Kd8 18.Bc1+=; 15.Rf1 Rf8 16.Nd5 Ke8 17.c3 f4 18.h3-/+) 15...Qg4 16.Ncd5 Kd8 17.Qg4 fg4 18.Rf1+=.

14.Rf1 Bg4 (14...Rf8 15.Ng3 Kd8 16.Nf5 Bf5 17.Qf5 Nd7 18.Rf2-/+) 15.Qe3 (15.Qd3 Nd7 16.Bd5 Nc5 17.Qe3 Na4 18.Ra2-/+) 15...Nd7 16.Nbc3 Kd8 17.h3 Be2 18.Ne2-/+.

14.Ng3 Bg4 15.Qf1 (15.Qb3 Bb6 16.Qd3 Na5 17.Bd5 Na6 18.Nc3+=; 15.Qd3 Nd7 16.Nc3 Nc5 17.Nd5 Kd8 18.Qe3+=; 15.Qe3 Bb6 16.Qd3 Na5 17.Bd5 Na6 18.Nc3+=) 15...Nd7 16.Nc3 Kd8 17.Nd5 Qg5 18.c3+=.

14.h3 A) 14...Rf8 15.Ng3 (15.g4 Nd7 16.Rf1 Kd8 17.Ng3 Nc5 18.Nf5+=) 15...Kd8 16.Nf5 Bf5 17.ef5 Qh6 18.g4+=; B) 14...f5 15.Nf4 (15.Bd3 fe4 16.Be4 Qg5 17.Rf1 Kd8 18.Qf6+=; 15.ef5 Qf5 16.Qg3 Rf8 17.Bd3 Qh5 18.Rf1-/+; 15.Bd5 Rf8 16.Rf1 Kd8 17.g4 f4 18.Ng3-/+) 15...Qg5 16.h4 fe4 17.hg5 ef3 18.Ng6=; C) 14...Kd8 15.Ng3 (15.Rf1 Nd7 16.Ng3 Nd4 17.Bd4 ed4 18.Bd5+=) 15...Bb6 16.Rf1 Rf8 17.Nf5 Bf5 18.Qf5+=; D) 14...Ke8 15.Rf1 (15.Ng3 Nd7 16.Rf1 Nd4 17.Bd4 ed4 18.Nh5+=) 15...Rf8 16.Ng3 Bb6 17.Nf5 Bf5 18.ef5+=; E) 14...Nd7 15.0-0 (15.Nbc3 Nb6 16.Nd5 Nd5 17.Bd5 f5 18.Rf1+=; 15.Rf1 Kd8 16.h4 Nb6 17.Bb5 Rf8 18.Ng3-/+; 15.Bc3 Kd8 16.Bd5 Bb6 17.Rf1 Ne7 18.Be6-/+) 15...Bb6 16.Kh2 Kd8 17.Ng3 Nd4 18.Bd4+=.

7.f4 Bd6

8.Nf3 a6 (8...Qe7 9.Be2 (9.a3+= Rf8 10.f5 Qg7 11.Qg4 Bc5 12.Nc3 a6+=) 9...Rf8 10.Nc3 ef4 11.Nd5 Qe4 12.Nf6 Rf6+=) 9.Rf1 (9.f5 Na5 (9...Ke7= 10.Nc3 Na5 11.Nd5 Kf7 12.Qh6 Ke8+-) 10.Be2 Kf7 11.d4 Nbc6 12.c3 Kg7=) 9...b5 (9...Qe7 10.a3+= Rf8 11.fe5 Be5 12.d4 Bd6=) 10.Bd5= Bb7 (10...Ra7 11.a3 Qe7 12.fe5 Be5=) 11.fe5 (11.fe5 fe5 12.Qd8 Kd8 13.Ne5 Be5 14.Be5 Ne5 15.Bb7=) 11...fe5 12.Qd8 Kd8=. pierre – mensah, internet, 2008.

8.f5 Na5 9.Bb3 Nb3 10.ab3 gf5 11.Qh5 Ke7 12.Qf5 Bb4+=.

8.f5 Ke7 9.Nc3 Nb4 10.a3?? (better 10.Bb3 Qf8 11.a3=) 10...Nc2-+ 11.Kd1 Na1 12.Nd5 Ke8?? (better 12...Kf7 13.Nb6 Kg7 14.Na8 b5 15.Bb5 Nb3 16.fg6 hg6-+) 13.fg6+- (worse 13.Nf6 Qf6 14.Qf6 Rf8+-) 13...c6 (13...h6 14.Nf6 Kf8 15.g7 Kg7 16.Qg4 Kf8 17.Nh7 Rh7 18.Qg8 Ke7 19.Qh7 Kf6 20.Nh3 Ba3 21.Rf1) 14.g7(14.g7 Qe7 15.gh8Q Qf8 16.Q4f6 Qh8 17.Qh8 Kf7 18.Qf6 Ke8 19.Be2 cd5 20.Bh5) 1-0. carlos78 (2225) - itsmagic (2065), Rated Classical game, lichess.org, 2014.

7.f4 Qe7

8.a3 Bd6 9.Nc3= f5 (better is 9...ef4 10.d3 Be5= 11.Nd5 Qd8 12.Nf6 Ke7 13.Rb1 Bb2+=) 10.Qh6 (better is 10.Qe7!? Ke7 (10...Ne7 11.Nb5 Nbc6 12.Nf3 a6 13.fe5 Be5+/-) 11.Nf3+= Re8 12.Nd5 Kf8 13.Nf6 Re7=) 10...Qf8 (10...ef4 11.Nf3 Rf8 12.d3 (12.Kd1= Ne5 13.Ne5 Be5=) 12...Kd8 13.Nd5 Qe8+=) 11.Qh3 (11.Qh4 Be7 12.Qh3 Nd4 13.Nd5 Nc2+=) 11...fe4 12.Ne4 (12.Nd5 A) 12...Nd4 13.fe5 A1) worse is 13...Nc2 14.Kd1 c6 15.Nf6 Kd8 16.Kc2 (worse is 16.ed6 Na1 17.Ne4 Qf4+-) 16...Be5 17.Be5+-; A2) 13...Be5 14.Bd4 Bd4=; B) 12...ef4 13.Qh4 h6+=) 12...Qf4-/+ 13.Qd3 Be7 (13...Qh4-/+) 14.Ne2 (14.Nf3 d6 15.0-0 Bf5 16.Ne5 Ne5 17.Rf4 Nd3 18.cd3 Rf8+/-) 14...Qh6 (14...Qg4 15.0-0 d6 16.Rab1-/+) 15.0-0 Nd8?? (better is 15...d6-/+) 16.Be5+- Rf8 17.Rf8 Qf8 18.Rf1 Qh6 19.Qf3 (19.Bc7 d5 20.Bd5 Nbc6+-) 19...d6 20.Bf7 Nf7 (20...Kf8 21.Bg6 Kg8 22.Bf7 Kf8 23.Bh5 Kg8 24.Qb3 Ne6 25.Bf7 Kf8 26.Be6 Ke8 27.Bc8 Nd7 28.Bd6 cd6 29.Bd7 Kd7 30.Qb7 Ke8 31.Qa8 Kd7+-) 21.Qf7 Kd8 22.Bb2 (22.Bb2 Nd7 23.Nf4+-; 22.Bf6 Nc6 23.Qg8 Kd7 24.Be7+-) 1–0. Magee,C Tony – Aker,Cliff, corr, 1981.

8.a3 Bd6 9.Ne2 Na5 10.Bd5 Nbc6 11.Rf1 Rf8 12.Nbc3 ef4 13.Nb5=.

8.a3 Bd6 9.Ne2 Rf8 10.Nbc3 ef4 11.Nf4 f5 12.Qe7 Ne7 13.Nd3 Nbc6=.

8.a3 Bd6 9.Nf3 Rf8 10.Nc3 (10.d3 Na5 11.Bd5 ef4 12.0-0 Na6 13.Nbd2 c6+=) 10...ef4 11.d3 f5 12.Qh6 Kd8 13.Nd5 Qe8+=.

8.Nc3 Bc3 9.Bc3 d6 10.Ne2 Be6 11.Bb3 Nd7 12.0-0 0-0-0 13.d3 ef4 (13...g5 14.fg5 fg5 15.Qh6=) 14.Qf4 (better 14.Be6!? Qe6 15.Nf4+/-) 14...Rhf8= 15.Nd4 Nd4 16.Bd4 Kb8 17.Rab1 Bb3 18.Rb3 Ne5 19.Rfb1 b6 20.a4 Nc6 21.Bc3 f5 22.a5 fe4 23.Qe4 Qe4 24.de4 Kb7 25.ab6 ab6 26.Re1 Rde8 27.Rbb1 (27.Bb2 Ra8-+) 27...Ne5 (better 27...Rf4!? 28.e5 de5 29.Re2-+) 28.Rbd1 Re6 29.Rd4 Rfe8 30.h3 Nc6 31.Rc4 (better 31.Ra4-+) 31...d5! 32.e5 (32.ed5 Re1 Pinning (32...Re1 Deflection)) 32…dc4 0-1. pacalmisu (2315) - ACFKC (2340), Rated Blitz game, lichess.org, 2016.

8.Nc3 Bc3 9.Bc3 d6 10.Nf3 Be6 11.Be6 Qe6 12.0-0+=.

8.Nc3 d6?? 9.Nd5+- Qg7 10.Nf6 Kf8 (10...Kd8 11.Nd5 g5 12.fg5+-) 11.Nd5 Be6 12.Bb3 (better 12.Nf3 Nd7 13.fe5 Bd5 14.Bd5 Nce5 15.Be5 Ne5 16.Ne5 de5 17.Bb7+-) 12...Na5?? (12...Bd5 13.ed5 Nd4 14.Qd8 Kf7 15.Qc7 Kf6+-) 13.Qd8 Kf7 14.Qc7 (better 14.Qe7 Kg8 15.Qe6 Kf8 16.Qc8 Kf7 17.Nc7 Ke7 18.Nd5 Kf7 19.Qc7 Nd7 20.Nb4 Nb3 21.Qd7 Kg8 22.Qe6 Qf7 23.Qd6 Na1 24.Qe5 Nc2 25.Nc2+-) 14...Nd7 (14...Kg8 15.Qd8 Qf8 16.Qf8 (16.Nb4 Qd8 17.Be6 Kg7-/+) 16...Kf8 17.Nb4+-) 15.Nb4 Nb3 16.ab3 Rhc8 (16...a5 17.Ra5 Rhc8 18.Qb7+-) 17.Qb7 (17.Qd6 Qf8 18.fe5 Qd6 19.ed6 a5+-) 17...Rab8 18.Qa6 Qh6 (18...Qf8 19.Bc3 Nc5+-) 19.0-0-0 (19.Nf3 ef4 20.Qd6 Rb4 21.Ne5 Ne5 22.Ra7 Bd7 23.Rd7 Nd7 24.Qd7 Kg8 25.Qe6 Kf8 26.Qc8 Kf7 27.Qd7 Kf8+-) 19...Rb4 (19...Nc5 20.Qd6 Rb4+-) 20.Qc8 Qf4 (20...Qf8 21.Qf8 Kf8 22.fe5 Ne5 23.Rf1 Ke8 24.d4+-) 21.Kb1 (better 21.Nh3 Qh4 22.Rhf1 Ke7+-) 21...Qe4 22.d3 (better 22.Nf3 Kg7 23.Qd8 Qd5+-) 22...Qg2 23.Qc3 (23.Nf3 Ke7 (23...Qf3?? 24.Rhf1 Qf5 25.Rf5 Bf5 26.d4+-) 24.Nd2 Rb8+-) 23...Rb6?? (better 23...Rf4 24.Ne2! Qe2+-) 24.Nf3! Kg7 (24...Qf3 25.Rhf1 Pinning (25.Rhf1 Decoy)) 25.Rhf1 Nc5 (25...Bd5 26.Qc8 Qg4 27.Nd2+-) 26.Nd2 (better 26.Ne5 Kh6 27.Rg1+-) 26...Qh2 (26...Bg4 27.Rg1 Qh3+-) 27.Ne4 Ne4 (27...Nd7 28.Qc7 h6 29.Qd8+-) 28.de4 (28.Qc7 Kh6 29.de4 Bg8 30.Rh1 Rb3 31.Rh2 Kg5 32.Qe7 Kf4 33.Qh4 Ke3 34.Qf2 Ke4 35.Rh4) 28...Bg4 (28...Rb7 29.Rd6 Rf7 30.Rf7 Bf7 31.Qf3 Be8 32.Qf6 Kh6 33.Bc1 Qf4 34.Rd3 Qc1 35.Kc1 Bd7 36.Qh4 Kg7 37.Rd7 Kf8 38.Qd8) 29.Rd6! Rd6 30.Qc7 Rd7 31.Be5 Kh6 32.Bh2 (better 32.Bf4 g5 33.Qc6 Kh5 34.Bh2 Rd8 35.Rf6 Rd1 36.Kb2 Be2 37.Rh6 Kg4 38.Qe6 Kf3 39.Qh3 Ke4 40.Re6 Kd4 41.Qc3 Kd5 42.Qe5) 32...Rc7 33.Bc7 Kg5 34.b4 (34.Rf7 h6+-) 34...h5 (34...Be2 35.Rf2 Bb5 36.e5+-) 35.b5 (better 35.Bd8 Kh6+-) 35...Be6 (35...Be2 36.Rg1 Kh6 37.Bf4 Kg7 38.Rg5+-) 36.Bb8 Bc4 37.Rg1 Kf6 38.Ba7 Bb5 39.Bd4 Kf7 40.Rg5 (40.Kc1 Bc4+-) 40...Bc6 41.Re5 h4 42.Bg1 (better 42.Rg5 h3 43.Rg3 Be4 44.Rh3 Ke6+-) 42...Kf6 43.Rc5 Be4 44.Bh2 h3 (44...g5+-) 45.Kb2 Bf5 46.c4 Kg5 (46...g5 47.Kc3 Be4 48.Kd4+-) 47.Rc7 Kg4 (47...Kf6 48.Kc3 g5 49.Kd4+-) 48.c5 Kf3 (48...g5 49.c6 Kh4 50.Rg7+-) 49.c6 Kg2 50.Be5 (better 50.Rf7 Be6 51.Re7 Bg4+-) 50...h2 (50...g5+-) 51.Bh2! Kh2 52.Rf7 Be4 (52...Bc8+-) 53.c7 Bb7 54.Rf8 g5 55.Rg8 (better 55.Rh8 Kg3 56.Rb8+-) 55...Kg3 56.Rg5 Kf4 57.Rb5 Bc8 58.Rb8 Be6 59.c8Q Bc8 1-0. pacalmisu (2185) - nutzy35 (2240), Rated Blitz game, lichess.org, 2015.

8.Nc3 ef4 9.Nd5 Qe4 10.Ne2 Qc4 11.Nc7 Kd8 12.Na8+=.

8.Nc3 ef4 9.Nf3 d6 (9...g5 10.Qh6 Kd8 11.Nd5 Qe4 12.Kd1+-) 10.Nd5 (10.Qf4 Bc3 11.Bc3 Ne5= 12.Bb3=) 10...Qe4 11.Kd1 Qc4 12.Nc7+/-.

8.Nf3 Qc5 9.Bb3 Ba5 10.Nc3 Bc3 11.Bc3 d6 12.Be6=.

8.Nf3 Qc5 9.Bb3 Ba5 10.Nc3 d6 11.Nd5 Nd7 12.fe5 de5 13.Rd1=.

8.Nf3 d6 9.0-0 Bc5 10.Kh1 Na5 11.Be2 Be6 12.Nc3+=.

8.Nf3 d6 9.0-0 Nd7 10.Nc3 Bc3 (10...Bc5 11.Kh1 Na5 12.Nd5+=) 11.Bc3= Nb6 12.Bb3 Be6 13.fe5 de5 (13...Ne5 14.Be6 Nf3 15.Rf3 (15.gf3?! Qe6 16.Qf6 Qf6 17.Bf6 0-0=) 15...Qe6 16.Rf6+- (16.Qf6?! Qf6 17.Bf6 0-0+=; 16.Bf6?! 0-0=)) 14.d4 Bc4 15.Rf2 Bb3 16.ab3 ½–½. Grehl,Siegfried – Jendrossek,Peter, corr, 1988.

8.Nf3 d6 9.a3 Ba5 10.Nc3 ef4 11.Nd5 Qe4 12.Kd1=.

8.Nf3 d6 9.Nc3 Bc3 10.Bc3 Be6 11.Be6 Qe6 12.0-0+=.

8.f5 g5 9.Qh5 Kd8 10.h4 gh4 11.Rh4?? (11.a3 Bc5 12.Nf3 Nd4 13.Nd4 Bd4=+) 11...d6 (better 11...Qc5-+) 12.Nc3= Bc3 13.Bc3 a6 14.Nf3 b5 15.Bd5 Bb7 (15...b4 16.Bb2=) 16.g4 (16.Rb1 Nd7=) 16...Nd7 (16...Nd4!? 17.Bd4 Bd5 18.ed5 ed4 19.Kf2 c5 20.dc6 Nc6=) 17.g5= Nb6 18.g6? (better 18.gf6!? Qf6 19.Bc6 Bc6 20.Ng5=) 18...Nd5-/+ 19.ed5 e4 (better 19...Na7-/+) 20.Qh7?? (20.Ng5 Ne5 21.Be5 Kd7+-) 20...ef3?? (20...Rh7 21.Rh7 ef3 22.Re7 Ne7-+ (22...Ke7?! 23.dc6 Bc8 24.Kf2 Bf5 25.Re1 Kf8 26.Bf6=)) 21.Kd1?? (better 21.Qe7 Ke7 22.Rh8 Rh8 23.dc6 Bc6 24.Kf2-/+) 21...Rh7-+ 22.gh7 (22.Rh7 Qe2 23.Kc1-+) 22...Qe2 23.Kc1 Ke7 (better 23...Qe1 24.Kb2 Qh4 25.dc6 Bc6 26.h8Q Qh8-+) 24.h8Q Rh8 25.Rh8 f2 (better 25...Ne5 26.Rh7 Nf7 27.Kb2-+) 26.Rh7 Kf8 27.Kb2 (27.dc6 f1Q 28.Kb2 Qa1 (28...Qf5?! 29.cb7 Qh7 30.b8Q Qe8 31.Qb7-/+) 29.Ka1 Bc6 30.Rc7 Be4-+) 27...b4 (better 27...Ne5!? 28.Rh8 Ke7 29.Rh7 Nf7 30.Rh4-+) 28.Bf6 (28.Rh8 Ke7 29.Rh7 Ke8 30.Rh8 Kd7 31.Bf6-+) 28...Na5 29.Rc7 (29.d3 f1Q 30.Rf1 Qf1 31.Be7 Kg8-+) 29...Bd5 (better 29...Nc4 30.Rc4 Qc4-+) 30.Rh1 (30.d3 Nc6 31.Rh7-+) 30...Nc4 (30...Bh1!? 31.Be7 Ke8 32.Bh4-+) 31.Kb3 Nd2 32.Kb2 Nc4 (32...Bh1 33.Bg7 Ke8 34.Rc8 Kd7 35.Bh6 Qe5 36.c3 bc3 37.Rc3 Nc4 38.Kb3 Qb5 39.Kc2 Be4 40.Rd3 Qb2 41.Kd1 f1Q) 33.Kb3 Ne5 34.Kb2 Nd3 35.Kb1 f1Q 36.Rf1 Qf2 (36...Qf1) 37.Rf2 Nf2 38.Ra7 (better 38.Be7 Kg8 39.Bd6+-) 38...Bc4? (38...Ne4 39.Bh4 Nc3 40.Kb2 Nd1 41.Kc1 Ne3 42.Be7 Ke8 43.Bd6 Nf5 44.Bb4 Ba2 45.Ra6 Bd5+-) 39.Be7 Ke8 (39...Kg8 40.Bd6 Ne4 41.Bb4+-) 40.Bd6 Ne4 (40...Kd8+-) 41.Bb4 (41.Bb4 Nf6 42.Rc7+-) 1-0. carlos78 (2195) - Mohsenabutalebi (2055), Rated Blitz game, lichess.org, 2014.

8.a3 Ba5

9.Nc3 ef4 10.Nd5 Qc5 11.Nf6 Kd8 12.Nh7 g5 13.Qg5 Qg5+-.

9.Ne2 Rf8 10.Nbc3 Bc3 11.Nc3 Nd4 12.Bb3 c6 13.0-0 d6+=.

9.Ne2 h5 10.Qg3 Rh6 11.Nbc3 h4 12.Qf3 Qc5 13.Bb3 Bc3=.

9.Nf3 d6 10.Nc3 ef4 11.Nd5 Qe4 12.Kd1 Qc4 13.Re1 Ne5+=.

9.Ne2 d6+=

10.0-0 Bb6 11.Kh1 Nd7 (11...Be6 12.Be6 Qe6 13.fe5 fe5=) 12.f5 (12.Nbc3 f5 13.Qe7 Ne7+=) 12...gf5 (12...Qg7 13.Nbc3 Ne7+=) 13.Rf5 (13.Qh5 Kd8+=) 13...Na5 (13...Nc5+=) 14.Ba2 Nc5 15.Rf3 Na4 16.Nbc3 Nb2 17.Nd5 Increases the pressure on the backward pawn 17...Qg7 18.Nf6 Kd8 19.Ng8 Kd7 20.Rf7 (20.Rf7 Qf7 21.Bf7 Rg8 22.Bg8+-) 1–0. Torre,Isidro – Lewis,Matt, IECC, 1998.

10.Nbc3 f5 11.Qe7 Ne7 12.ef5 Bf5 13.fe5 de5+=.

10.Nec3 Be6 11.Nd5 Bd5 12.Bd5 Nd7 13.f5 0-0-0 14.Bc6 bc6 15.Qf2 Bb6 16.Qe2 d5 17.Qa6 Kb8-/+ 18.a4? Nc5 19.Qe2 Ne4-+ 20.a5 Bf2 21.Kf1 Bc5 22.Qa6 Qd7 23.Ba3 Qf5 24.Ke2 Qf2 25.Kd3 Ba3 26.Ra3 Nc5 (26...Nc5 27.Kc3 Qd4#) 0–1. pschalkw – unikum, ChessWorld.net, 2002.

10.Nbc3 Be6

11.Nd5 Bd5

12.Bd5 Nd7

13.Rb1!?= A) 13...Rb8 A1) 14.Qh3 Bb6 (14...a6 15.Bc3 Bb6 16.d3 Nd4 17.Bd4 ed4= ; 14...Nc5 15.0-0 Nd8 16.d3 c6 17.Ba2 b5+= ; 14...Nd8 15.f5 c6 16.Ba2 Qg7 17.Qg4 Qh6+=; 14...Nb6 15.Bc6 bc6 16.Bc3 Bc3 17.Qc3 0-0+=) 15.f5 Qg7 16.Ng3 Ne7 17.Bc4 c6-/+; A2) 14.f5 Qg7 (14...Qf8 15.Bc1 Qg7 16.Qg4 Bb6 17.Ng3 Ne7+= ) 15.Ng3 Ne7 16.Be6 Nc5 17.Bc4 b5-/+; A3) 14.Qh6 Nb6 (14...Nd8 15.f5 c6 16.Ba2 Qf8 17.Qh4 Qg7+= ; 14...Bb6 15.f5 Qf8 16.Qh3 Nc5 17.Qf3 Qg7+=; 14...a6 15.Qh3 Nd8 16.f5 Qg7 17.Qg4 c6+=; 14...Nc5 15.Ng3 Nd8 16.f5 c6 17.fg6 cd5=) 15.f5 Qf8 16.Qh4 gf5 17.Bc6 bc6+=; A4) 14.Qg4 Bb6 (14...Nb6 15.f5 Qg7 16.Ng3 Ne7 17.Be6 h5+= ; 14...a6 15.Qh3 Bb6 16.f5 Qg7 17.Qg4 Ne7+= ; 14...Nd8 15.f5 c6 16.Ba2 Nf8 17.Qh3 Qg7+=; 14...ef4 15.Qf4 Rf8 16.0-0 f5 17.d4 Nd8+=) 15.f5 Qg7 16.Ng3 Ne7 17.Be6 Nc5+=; A5) 14.Qg3 Nd8 (14...Nc5 15.Bc3 Bb6 16.d3 Na5 17.Ba2 c6+= ; 14...a6 15.Qh3 Bb6 16.Qg4 ef4 17.Nf4 Nce5=; 14...Nb6 15.Qd3 Qd7 16.Bb3 Rd8 17.0-0 Qe7=; 14...Bb6 15.d3 ef4 16.Nf4 Nde5 17.Ba2 Nd4=) 15.Qh4 c6 16.Ba2 ef4 17.Qf4 Rf8+=; B) 13...Bb6 B1) 14.f5 Qg7 (14...Qf8 15.Qg4 Qh6 16.Bc6 bc6 17.Bc1 Rb8+= ) 15.Ng3 Nc5 16.Qg4 Ne7 17.d4 Na4+=; B2) 14.Bc3 Rb8 (14...Nc5 15.Bb4 Nd8 16.f5 c6 17.Bc4 Nf7= ; 14...a6 15.f5 Qg7 16.Ng3 Nc5 17.Qg4 Ne7+= ; 14...Rd8 15.d3 Rb8 16.f5 Qg7 17.Bd2 gf5+=; 14...f5 15.Qe7 Ne7 16.Bb7 Rb8 17.fe5 de5=) 15.f5 Qg7 16.Qg4 Ne7 17.Bc4 Bc5+=; B3) 14.Qh3 Rb8 (14...Nc5 15.Qf3 Nd8 16.Bc4 Nde6 17.d3 Ba5+= ; 14...Nd8 15.f5 c6 16.Bc4 Nf7 17.Qg4 Nh6+= ; 14...Bc5 15.fe5 fe5 16.Nf4 Qf8 17.Nd3 Qg7=; 14...Rc8 15.f5 Qg7 16.Ng3 Rb8 17.Qg4 Ne7+=) 15.f5 Qg7 16.Ng3 Ne7 17.Be6 Nc5-/+; B4) 14.Qg3 Nc5 (14...Rb8 15.d3 Na5 16.Qg4 Nc5 17.f5 c6= ; 14...Na5 15.Bc3 c6 16.Ba2 0-0-0 17.d3 f5+= ; 14...Bc5 15.Qb3 Nd8 16.Qf3 c6 17.Bb3 Bb6+=; 14...Rd8 15.f5 gf5 16.Qf3 fe4 17.Qh5 Kf8+=) 15.Qf3 Nd8 16.Bc4 c6 17.Ng3 Nde6+=; B5) 14.d3 Rb8 (14...Nc5 15.Qh6 Na5 16.Ba2 c6 17.f5 Qf8= ; 14...Na5 15.Ba2 Rf8 16.f5 Qg7 17.Ng3 0-0-0= ; 14...Bc5 15.c3 f5 16.Qh3 fe4 17.Be4 Rf8= ; 14...a6 15.f5 Qg7 16.Bc1 gf5 17.ef5 h5=) 15.f5 Qg7 16.Bc1 gf5 17.ef5 h5+=; C) 13...Nb6 C1) 14.f5 Qg7 (14...gf5 15.Qh5 Kd8 16.Qf5 Nd5 17.ed5 Nb8+= ; 14...Qf8 15.Bc1 Nd8 16.Ba2 Nd7 17.Qg4 Qg7= ; 14...g5 15.Qh5 Kd8 16.Bb3 Nd7 17.h4 Nc5= ) 15.Ng3 gf5 16.Bc6 bc6 17.ef5 d5+=; C2) 14.Qg4 Nd8 (14...Rb8 15.f5 Qg7 16.c3 Nd8 17.Bb3 Nd7= ; 14...g5 15.Qh5 Kd8 16.fg5 fg5 17.Rf1 h6= ; 14...a6 15.f5 gf5 16.Qf5 Nd5 17.ed5 Na7+=; 14...Kd8 15.Bb3 Nd7 16.f5 Nc5 17.Bd5 Qd7=) 15.Ba2 Na4 16.Ba1 Nc5 17.Ng3 Nde6+=; C3) 14.c3 Rb8 (14...f5 15.Bc6 bc6 16.Qe7 Ke7 17.ef5 Rab8+= ; 14...Nd8 15.Bb3 Ne6 16.f5 Nc5 17.Nc1 0-0-0+= ; 14...Kd8 15.Bc6 bc6 16.d3 Na4 17.0-0 Rb8+= ; 14...a6 15.f5 Qg7 16.Ng3 Ne7 17.Be6 Na4=) 15.f5 Qg7 16.Ng3 gf5 17.0-0 Qg5-/+; C4) 14.Bb3 0-0-0 (14...Rd8 15.Bd5 Nb8 16.f5 Qg7 17.Be6 Na6+= ; 14...f5 15.Qe7 Ke7 16.ef5 gf5 17.Rf1 Rhf8= ; 14...a6 15.Rf1 Rf8 16.f5 Qg7 17.Ng3 Ne7+=; 14...Rb8 15.Qg4 ef4 16.Nf4 Qe4 17.Kd1 h5+=) 15.Qg4 Kb8 16.Qf3 Rhe8 17.f5 gf5+=; C5) 14.Rf1 Nd7 (14...Rf8 15.f5 Qg7 16.Ng3 Kd8 17.Be6 Na4= ; 14...Rb8 15.fe5 fe5 16.Bf7 Kd8 17.Qh6 Rf8=; 14...a6 15.fe5 fe5 16.Bf7 Kd8 17.Qh6 Ra7=; 14...Nd8 15.Ba2 Rf8 16.f5 Qg7 17.Ng3 c6=) 15.fe5 de5 16.Rf3 Qd6 17.Qg4 f5+=; D) 13...Rc8 D1) 14.Qh6 Rb8 (14...Nd8 15.f5 c6 16.Bb3 Qf8 17.Qh3 Rb8+= ; 14...Bb6 15.f5 Qf8 16.Qf8 Rf8 17.g4 Nc5+= ; 14...a6 15.f5 Qf8 16.Qh4 Rb8 17.Bc1 Qg7+=; 14...Ra8 15.Bc3 Bb6 16.f5 Qf8 17.Qf8 Nf8+=) 15.f5 Qf8 16.Qf8 Rf8 17.Ng3 Ne7-/+; D2) 14.f5 Qg7 (14...Qf8 15.c3 Ne7 16.Be6 Qg7 17.0-0 gf5= ) 15.Qg3 Nc5 16.Bc3 Bb6 17.Bb4 Ne7+=; D3) 14.Ng3 Nc5 (14...Bb6 15.f5 Qg7 16.Qg4 Qh6 17.fg6 hg6+= ; 14...ef4 15.Qf4 Bb6 16.h4 Rf8 17.h5 Kd8= ; 14...Rb8 15.Qg4 ef4 16.Qf4 Bb6 17.Kd1 Nce5=; 14...a6 15.f5 Qg7 16.Bc1 Bb6 17.d3 Rb8=) 15.Qh6 Bb6 16.Bc6 bc6 17.Qh4 Rb8+=; D4) 14.Qg4 Rb8 (14...Bb6 15.f5 Qg7 16.Ng3 Qh6 17.fg6 hg6+= ; 14...Nd8 15.f5 c6 16.Bb3 Qg7 17.Ng3 Qh6+= ; 14...Ra8 15.f5 Nf8 16.c3 Nd8 17.Qh4 c6=; 14...a6 15.h4 Bb6 16.f5 gf5 17.Qh5 Kd8=) 15.f5 Qg7 16.Ng3 Ne7 17.fg6 hg6+=; D5) 14.c3 f5 (14...Nc5 15.0-0 Bb6 16.Kh1 Nd8 17.f5 c6=; 14...Nd8 15.f5 c6 16.Bb3 Nf7 17.Qg4 Nh6=; 14...Nb6 15.f5 Qg7 16.Ng3 Rb8 17.Bb3 Nd7=; 14...Bb6 15.d4 ed4 16.cd4 f5 17.Qe7 Ne7=) 15.Qh3 fe4 16.Be4 0-0 17.f5 Nf6+=; E) 13...Nc5 E1) 14.f5 Qg7 (14...Qf8 15.Bc6 bc6 16.Bc3 Bb6 17.d4 ed4+= ) 15.Ng3 Ne7 16.Bc4 gf5 17.Qh5 Kd8-/+; E2) 14.Rf1 Rf8 (14...Nd8 15.Kd1 c6 16.Ba2 b5 17.Ng3 h5+= ; 14...Bb6 15.d3 Rb8 16.f5 Qg7 17.Bc1 g5= ) 15.f5 Qg7 16.Rf3 Ne7 17.Ba2 gf5-/+; E3) 14.h3 Rb8 (14...Bb6 15.Rf1 Rb8 16.f5 g5 17.Qh5 Kd7= ; 14...Nd8 15.f5 c6 16.Ba2 Qg7 17.Rf1 h5+= ; 14...Nb8 15.f5 c6 16.Ba2 Qg7 17.Rf1 Nbd7-/+; 14...Rf8 15.f5 Qg7 16.Qg4 Ne7 17.Bc4 Qh6-/+) 15.f5 Qg7 16.Qg4 Ne7 17.Be6 c6-/+; E4) 14.g3 a6 (14...Nd8 15.f5 c6 16.Ba2 Nf7 17.Rf1 g5-/+ ; 14...Rb8 15.Rf1 Bb6 16.h3 Nd7 17.Kd1 h5-/+; 14...Bb6 15.d3 Ba5 16.Kf2 h5 17.Rhf1 g5+=; 14...h5 15.Rf1 Nd8 16.fe5 fe5 17.Qe7 Ke7 18.Kd1-/+) 15.h3 h5 16.g4 g5 17.fg5 fg5-/+; E5) 14.Ng3 Bb6 (14...a6 15.Qg4 Bb6 16.f5 Qd7 17.Bc6 bc6+= ; 14...Rd8 15.Qh6 Nb8 16.f5 c6 17.Ba2 Qf8+= ; 14...Rb8 15.0-0 Nd7 16.c3 Bb6 17.Kh1 f5+=; 14...Nd8 15.f5 Qg7 16.Ba2 Nc6 17.Qg4 Qh6+=) 15.Bc6 bc6 16.Rf1 Rb8 17.f5 g5+=.

13.Nc3 Rb8 A) 14.Nb5 a6 15.Nc3 f5 16.Qf2 Nd4 17.Rc1 c6-/+; B) 14.Rc1 Nd4 (14...f5 15.Qh3 Nf6 16.ef5 Nd4 17.fg6 ef4+= ; 14...Nb6 15.0-0 Nd4 16.fe5 de5 17.Qf2 Rf8-/+; 14...Bc3 15.Bc3 Nd4 16.f5 c6 17.Bd4 ed4-/+) 15.Bc4 c6 16.Ne2 b5 17.fe5 de5-/+; C) 14.Bb3 Bc3 (14...f5 15.Qe7 Ne7 16.ef5 Nf5 17.fe5 Ne5-/+ ; 14...Nd4 15.Nd5 Qg7 16.fe5 fe5 17.Bd4 ed4+=; 14...ef4 15.Qf4 Qe5 16.0-0 Bb6 17.Kh1 Qf4-/+) 15.Bc3 Nc5 16.d3 f5 17.Qe7 Ke7-/+; D) 14.Qg3 Nd4 (14...ef4 15.Qf4 Nd4 16.Kd1 c6 17.Ba2 b5-/+ ) 15.Rc1 c6 16.Ba2 Nc5 17.Qe3 Bc3-+; E) 14.Bc4 Bc3 (14...f5 15.Qe7 Ne7 16.ef5 Nf5 17.0-0-0 Rf8+= ; 14...Nb6 15.Nd5 Nd5 16.Bd5 Nd4 17.Bd4 ed4+= ; 14...ef4 15.Qf4 Qe5 16.Rf1 b5 17.Bb3 Nd4+=) 15.Bc3 f5 16.Qe7 Ke7 17.ef5 Rhf8+=.

13.Nc3 Nd4-/+ 14.Bb7 Rb8 (14...Bc3 15.Bc3 Nc2 16.Kd1 Rb8 17.Kc2 Rb7-/+) 15.Nd5 Nc2 16.Kd1 Qf7 (better is 16...Qd8 17.Nf6 Nf6 18.Bc6 Kf7 19.Kc2 Rb6 20.Bd5 Nd5 21.Qd8 Rd8 22.ed5 Rdb8-/+; 16...Qe6 17.Rc1 Rb7-/+) 17.Nc7?? (17.Bc6 Rb2-+ (17...g5 18.Nf6 Kd8 19.Qg5 Rb2 20.Nd7 Kc8 21.Ne5 de5 22.Qg4 Kb8 23.Bd5-+)) 17...Bc7-+ 18.Bd5 Qd5! (18...Rb2 19.Bf7 Kf7 20.Rc1 Ne3 21.de3=) 19.ed5 Na1 (19...Rb2 20.Rc1+-) 20.Kc1 Nb3 21.Kc2 0-0 22.Bc3 Bb6 23.Rf1 (23.Qh3 Ndc5-+) 23...Nd4 (23...Nd4 24.Bd4 Bd4 (worse is 24...ed4 25.Re1 Rf7 26.Rb1-+) 25.fe5 Rb2 26.Kd3 Be5-+) 0–1. Ziethen,H – Henning,Frank, corr ICCF–Cup8 V190, 1990.

13.Nc3 Nd4-/+ 14.Rc1 c6 15.Bc4 ef4 16.Qf4 d5 17.Bd3 Ne6-/+.

13.Nc3 Nd4-/+ 14.Kd1 Nc5 (14...c6 15.Ba2 Bc3 16.Bc3 Nc5 17.Re1 Nb5-/+; 14...Bc3 15.Bc3 c6 16.Ba2 Nc5 17.Re1 Nde6-/+; 14...Rb8 15.Re1 c6 16.Ba2 h5 17.Qf2 Bb6-/+; 14...ef4 15.Bb7 Rb8 16.Nd5 Qe5 17.c3 Rb7-/+) 15.Re1 c6 16.Ba2 h5 17.Rb1 g5-/+.

13.Nc3 f5 A) 14.Qf2 fe4 (14...Bc3 15.Bc3 Rf8 16.fe5 fe4 17.Qe3 Nc5+=; 14...Nd4 15.Rc1 c6 16.Ba2 Bb6 17.Qg3 ef4-+; 14...Rf8 15.fe5 Qe5 16.Na4 Qe7 17.0-0 fe4+=) 15.fe5 Rf8 16.Qe3 Nce5 17.Bb7 Rb8-+; B) 14.Qg3 Nd4 15.Rc1 Nf6 16.fe5 de5 17.Qh3 Qd6-+.

13.Rd1 A) 13...Rb8 A1) 14.f5 Qg7 (14...Qf8 15.Ng3 Ne7 16.Be6 Nc5 17.0-0 Bb6+= ) 15.Be6 Nc5 16.Rf1 Ne6 17.fe6 Ke7-/+; A2) 14.Qh3 Bb6 (14...Nb6 15.Bc6 bc6 16.Bc3 Bc3 17.Qc3 0-0+= ; 14...Nd8 15.0-0 c6 16.Ba2 Nc5 17.fe5 fe5+= ; 14...Nc5 15.0-0 Na4 16.Ba1 Bb6 17.Kh1 Nc5=; 14...a6 15.Rb1 Bb6 16.f5 Qg7 17.Ng3 Ne7+=) 15.Rb1 Bc5 16.fe5 de5 17.Qf3 Qd6+=; A3) 14.Rb1 Nb6 (14...f5 15.Qh3 fe4 16.Be4 Rf8 17.fe5 Nce5+= ; 14...Bb6 15.f5 Qg7 16.Ng3 Ne7 17.Be6 Nc5-/+ ; 14...a6 15.Qh3 Bb6 16.Qg4 ef4 17.Nf4 Nce5=; 14...Nc5 15.Ba1 Nd8 16.f5 c6 17.Ba2 Qg7+=) 15.Rf1 a6 16.c3 f5 17.Qe7 Ke7-/+; A4) 14.Qg3 Bb6 (14...Nb6 15.Qd3 Qd7 16.Bb3 ef4 17.Nf4 Ne5= ; 14...Nd4 15.Nd4 ed4 16.0-0 c6 17.Ba2 Kd8= ; 14...ef4 15.Nf4 Nce5 16.0-0 c6 17.d4 Nf7=; 14...Nd8 15.0-0 c6 16.Ba2 Bb6 17.Kh1 Nc5+=) 15.Qb3 Nc5 16.Qf3 Nd4 17.Nd4 ed4+=; A5) 14.Qh6 Nb6 (14...Nd8 15.f5 Qf8 16.Qh4 Nb6 17.Bb3 Nc6= ) 15.Bb3 Rd8 16.0-0 d5 17.ed5 Nd5=; B) 13...f5 B1) 14.Qh3 fe4 (14...Rf8 15.ef5 Rf5 16.0-0 ef4 17.Nf4 Bb6+= ; 14...Qf6 15.Bc6 bc6 16.fe5 Ne5 17.0-0 Bb6= ) 15.Be4 Rf8 16.Qf3 ef4 17.Bc6 bc6-/+; B2) 14.Qf2 fe4 (14...Rf8 15.ef5 Rf5 16.Be4 Rf8 17.Qf3 ef4+= ) 15.Be4 Rf8 16.Qf3 ef4 17.Bc6 bc6-/+; B3) 14.Qg3 Rf8 (14...fe4 15.fe5 Nde5 16.Be4 Rf8 17.Bd5 0-0-0-/+ ; 14...Rb8 15.ef5 gf5 16.Qf3 Qh4 17.g3 Qg4= ) 15.fe5 Nce5 16.ef5 c6 17.Be6 gf5-/+; B4) 14.Qh6 fe4 (14...Nf6 15.Bc6 bc6 16.fe5 de5 17.ef5 Rb8+= ; 14...Rf8 15.ef5 Rf5 16.g4 Rf8 17.0-0 0-0-0+= ) 15.Be4 Rf8 16.Bc6 bc6 17.0-0 Rb8+=; C) 13...Nb6 C1) 14.Rb1 Kd8 (14...Rb8 15.Rf1 a6 16.c3 f5 17.Qe7 Ke7-/+ ; 14...g5 15.Qh5 Kd8 16.fg5 fg5 17.Rf1 h6= ; 14...a6 15.f5 gf5 16.Qh5 Kd8 17.Bc6 bc6+=; 14...Nd8 15.Ba2 c6 16.Bb3 Nf7 17.Rd1 d5+=) 15.Bc6 bc6 16.c3 Rb8 17.Bc1 ef4-/+; C2) 14.Rf1 Rb8 (14...Rf8 15.f5 Qg7 16.Qg4 Qh6 17.h3 Kd8+= ; 14...a6 15.fe5 fe5 16.Qg4 Rf8 17.Rf8 Qf8+= ; 14...Nd8 15.Bb3 c5 16.Ba2 c4 17.Rf3 Nf7+=) 15.Rb1 a6 16.c3 f5 17.Qe7 Ke7-/+; C3) 14.f5 gf5 15.Qh5 Kd8 16.Qf5 Nd5 17.ed5 Nb8+=; D) 13...Nd8 D1) 14.0-0 c6 (14...Bb6 15.Kh1 c6 16.Bc4 Rc8 17.Qg3 Bc5+= ; 14...Rb8 15.f5 Bb6 16.d4 ed4 17.Nd4 c6= ; 14...Rc8 15.f5 c6 16.Bb3 Bb6 17.d4 Nf7=) 15.Ba2 d5 16.fe5 Qc5 17.Bd4 Qa3+=; D2) 14.Bb3 Nc5 (14...ef4 15.0-0 Bb6 16.d4 g5 17.Qh5 Nf7+= ; 14...Bb6 15.f5 Qg7 16.Ng3 Nc5 17.Bc4 Nc6+= ; 14...f5 15.Qe7 Ke7 16.ef5 Rf8 17.fg6 hg6+=; 14...c6 15.0-0 Nc5 16.f5 Nb3 17.cb3 Bb6=) 15.0-0 Rf8 16.d3 Nb3 17.cb3 Bb6+=; D3) 14.Rb1 c6 (14...ef4 15.Qf4 c6 16.Bc4 Rf8 17.0-0 b5+= ; 14...Nc5 15.f5 c6 16.Ba2 gf5 17.Qh5 Nf7+= ; 14...f5 15.Qe7 Ke7 16.ef5 gf5 17.Ng3 Rf8=; 14...Bb6 15.f5 Qg7 16.Ng3 c6 17.Bc4 Bc5+=) 15.Bc4 Rc8 16.fe5 fe5 17.Qg4 Rf8-/+; D4) 14.Ba2 ef4 (14...Bb6 15.f5 Qg7 16.Ng3 Nc6 17.Rb1 Ne7+= ; 14...f5 15.Qe7 Ke7 16.ef5 Rf8 17.fg6 hg6= ; 14...Nc5 15.f5 Nf7 16.Ng3 Bb6 17.Rb1 c6+=; 14...Rf8 15.f5 Qg7 16.Qg4 Bb6 17.h4 Qh6=) 15.Qf4 Ne6 16.Be6 Qe6 17.0-0 Bb6+=; D5) 14.f5 c6 (14...Nf7 15.Ng3 c6 16.Bf7 Qf7 17.fg6 Qg6= ; 14...Qg7 15.0-0 Bb6 16.d4 ed4 17.Nd4 Nc6+= ; 14...gf5 15.Qh5 Kf8 16.Ng3 Qg7 17.Qf5 Ke8+=) 15.Bb3 Nc5 16.0-0 g5 17.Qh5 Nf7+=; E) 13...Bb6 E1) 14.Rb1 Rb8 (14...Bc5 15.c3 f5 16.Qh3 fe4 17.Be4 Rf8+= ; 14...Na5 15.f5 c6 16.Ba2 Qg7 17.Qg4 Nf8+= ; 14...Nc5 15.d3 Na5 16.Ba2 c6 17.f5 Qg7=; 14...a6 15.d3 Rb8 16.f5 Qg7 17.Bc1 gf5+=) 15.f5 Qg7 16.Ng3 Ne7 17.Be6 Nc5-/+; E2) 14.Ng3 Nc5 (14...ef4 15.Qf4 Bd4 16.Bc6 Bb2 17.Bb7 Rb8= ; 14...Bc5 15.f5 Qg7 16.Qg4 Ne7 17.Be6 Nb6+=9; 14...Na5 15.f5 Qg7 16.c3 c6 17.Ba2 Rd8=) 15.f5 Qg7 16.Bc3 Ne7 17.Bc4 gf5+=; E3) 14.Qg4 Rb8 (14...ef4 15.Qf4 Rf8 16.d4 f5 17.ef5 Rf5+=; 14...Nc5 15.Qf3 Rb8 16.Rb1 Nd8 17.Bc4 Nde6+= ; 14...Bc5 15.c3 f5 16.ef5 Nf6 17.Bc6 bc6= ; 14...a6 15.f5 Nf8 16.c3 Na5 17.d4 Rd8=) 15.f5 Qg7 16.Ng3 Ne7 17.Be6 Nc5+=; E4) 14.Qh3 Nd8 (14...Nc5 15.Qf3 Na5 16.fe5 de5 17.d4 ed4+= ; 14...Rb8 15.Rb1 Bc5 16.f5 Qg7 17.Qg4 Nb6+= ; 14...Rc8 15.Qc3 Nc5 16.d3 Qd7 17.Qd2 Ne7+=; 14...a6 15.Rb1 Nc5 16.Qf3 Qd7 17.Ng3 Rf8+=) 15.d3 c6 16.Ba2 Nc5 17.Rb1 ef4+=; E5) 14.f5 Qf8 (14...Qg7 15.Qg4 Nc5 16.Bc4 Na5 17.Ba2 Na4+= ) 15.Qg4 Ne7 16.Bb7 Rb8 17.Ba6 Qg8+=.

13.f5 Qg7 A) 14.Rb1 Ne7 (14...Nc5 15.Ng3 Ne7 16.Bc4 gf5 17.Qh5 Kd8-/+; 14...Bb6 15.Ng3 Nc5 16.Bc6 bc6 17.d4 Na4+=; 14...Rb8 15.Ng3 Ne7 16.Be6 Nc5 17.Bc4 b5-/+; 14...gf5 15.ef5 Nb6 16.Bf3 Rg8 17.Bc1 d5-/+) 15.Bb7 Rb8 16.Bd5 gf5 17.Qf2 fe4-/+; B) 14.Qg3 Ne7 (14...Nc5 15.c3 Ne7 16.d4 Na4 17.Rb1 Nd5-/+ ) 15.Bc3 Bc3 16.Nc3 Nc5 17.Bc4 Qh6-/+; C) 14.Bc1 Ne7 (14...gf5 15.ef5 Nb6 16.Bc6 bc6 17.Ng3 Qe7+=; 14...Nc5 15.0-0 Ne7 16.d4 Nd5 17.ed5 Nd7+=; 14...Rb8 15.Rb1 gf5 16.Bc6 bc6 17.Rb8 Nb8+=; 14...Nb6 15.Bc6 bc6 16.0-0 Nd7 17.d4 Rb8+=) 15.Bb7 Rb8 16.Bd5 gf5 17.0-0 Qg5-/+; D) 14.Qf2 Rb8 (14...gf5 15.ef5 Nb6 16.Be6 d5 17.Qf3 h5+= ; 14...Nb6 15.Bc6 bc6 16.Bc3 Bc3 17.Nc3 Rb8+=; 14...Bb6 15.Qf3 Rb8 16.Ng3 Nd4 17.Bd4 Bd4+=; 14...Nc5 15.Bc6 bc6 16.Qf3 Rb8 17.Bc3 Bc3-/+) 15.Ng3 Ne7 16.fg6 Nd5 17.Nf5 Qg6-/+; E) 14.Qg4 Ne7 15.Bc3 Nd5 16.Ba5 N5b6 17.Ng3 Nc4-/+.

13.Qg4 A) 13...Bb6 A1) 14.Rb1 Rb8 (14...Nc5 15.d3 Rb8 16.Qh4 Na5 17.Ba2 c6+= ; 14...Na5 15.f5 Nf8 16.Ba2 c6 17.h4 Qd7+= ; 14...ef4 15.Qf4 Rf8 16.d4 Na5 17.Bc3 f5+=; 14...Bc5 15.f5 Nf8 16.c3 Rb8 17.d4 Bb6=) 15.f5 Qg7 16.Ng3 Ne7 17.Be6 Nc5+=; A2) 14.d3 ef4 (14...Ba5 15.Kd1 Rb8 16.Rb1 Bb6 17.h4 Bc5= ; 14...Bc5 15.f5 Qg7 16.Rb1 Rb8 17.Ng3 Ne7+= ; 14...Rb8 15.Rb1 ef4 16.Qf4 Nd8 17.Rf1 Rf8+=; 14...Be3 15.f5 Qg7 16.Rb1 Rb8 17.fg6 hg6+=) 15.Qf4 Rf8 16.Rb1 f5 17.Bc6 bc6-/+; A3) 14.Rd1 Nc5 (14...Rb8 15.Rb1 Na5 16.d3 c6 17.Ba2 Nc5= ; 14...ef4 15.Qf4 Rf8 16.d4 f5 17.ef5 Rf5+= ; 14...Bc5 15.c3 f5 16.ef5 Nf6 17.Bc6 bc6=; 14...a6 15.f5 Qg7 16.c3 0-0-0 17.Bc6 bc6=) 15.Qf3 Rb8 16.Rb1 Nd8 17.d3 c6+=; A4) 14.Qh4 Rb8 (14...Na5 15.f5 Qg7 16.Ng3 c6 17.Ba2 Nc5+= ; 14...f5 15.Qe7 Ne7 16.Bb7 Rb8 17.Bd5 Rf8-/+ ; 14...Bc5 15.Rb1 f5 16.Qe7 Ne7 17.d4 ed4=; 14...Nd8 15.f5 c6 16.Bc4 Nf7 17.Rf1 Bc5+=) 15.Rb1 f5 16.Qh3 fe4 17.Be4 Rf8-/+; A5) 14.f5 Qg7 (14...Nf8 15.Qh3 Qg7 16.Qc3 Qd7 17.Qf3 0-0-0= ; 14...Kd8 15.Ng3 Qe8 16.Rb1 Rb8 17.Qh4 Ne7+=; 14...Nd8 15.Ng3 Nf8 16.Qh4 c6 17.Bb3 h5=) 15.Ng3 Qh6 16.Rb1 Nc5 17.Bc6 bc6+=; B) 13...Nd8 B1) 14.Rb1 ef4 (14...c6 15.Bc4 Nc5 16.f5 Qd7 17.Ng3 d5+= ; 14...Nc5 15.f5 Qd7 16.Ng3 c6 17.Ba2 d5+= ; 14...Nb6 15.Ba2 Na4 16.Ba1 Nc5 17.Ng3 Nde6+=; 14...Bb6 15.f5 c6 16.Bc4 Nf8 17.Qh4 Qg7+=) 15.Qf4 Rf8 16.0-0 f5 17.d3 Bb6-/+; B2) 14.Rd1 c6 (14...ef4 15.Qf4 c6 16.Bc4 Ne6 17.Be6 Qe6+= ; 14...Rb8 15.0-0 c6 16.Bb3 Bb6 17.Kh1 Nc5= ; 14...Nc5 15.fe5 de5 16.0-0 c6 17.Ba2 Na4+=; 14...Bb6 15.f5 c6 16.Ba2 Nf8 17.Qh4 Nf7+=) 15.Ba2 ef4 16.Qf4 Rf8 17.0-0 f5+=; B3) 14.Ba2 ef4 (14...Nc5 15.f5 Qd7 16.Ng3 Na4 17.Bc1 Bb6= ; 14...Bb6 15.f5 Nf8 16.Rb1 c6 17.Qh3 Qd7+= ; 14...c6 15.f5 Nf8 16.Qh4 Qg7 17.Ng3 Bb6+=; 14...Nf7 15.Rb1 ef4 16.Qf4 Ng5 17.Ng3 Bb6+=) 15.Qf4 Rf8 16.Rf1 Nc5 17.Kd1 f5-/+; B4) 14.Ng3 c6 (14...ef4 15.Qf4 Bb6 16.d4 c6 17.Bb3 Ne6+= ; 14...Nc5 15.f5 c6 16.Ba2 Qd7 17.Qh4 Rf8+= ; 14...f5 15.ef5 Nf6 16.Qf3 c6 17.Bc4 d5=; 14...Nf7 15.f5 c6 16.Bb3 Nh6 17.Qh3 Qg7+=) 15.Ba2 ef4 16.Qf4 Bb6 17.d4 Rc8+=; B5) 14.f5 Qg7 (14...Nf8 15.Qh4 c6 16.Bb3 Bb6 17.Ng3 h5= ; 14...c6 15.Ba2 Nf8 16.Rb1 b5 17.Bb3 Bb6+= ; 14...Nc5 15.Ng3 c6 16.Ba2 Qd7 17.Qh4 Rf8+=) 15.Ng3 c6 16.Ba2 Qh6 17.Qe2 Qh4+=; C) 13...Nc5 C1) 14.Rb1 Rf8 (14...Bb6 15.d3 Rb8 16.Qh4 Na5 17.Ba2 c6+= ; 14...Nd8 15.f5 Qd7 16.Ng3 c6 17.Ba2 d5+= ; 14...a6 15.Ng3 Bb6 16.fe5 fe5 17.Rf1 Rf8+=; 14...ef4 15.Qf4 Ne5 16.0-0 c6 17.Ba2 Ned7=) 15.Bc6 bc6 16.fe5 fe5 17.Kd1 Rb8-+; C2) 14.Rf1 Rb8 (14...Na4 15.Bc1 Nb6 16.f5 g5 17.Qh5 Kd8+= ; 14...Bb6 15.d3 Rb8 16.Rb1 Na5 17.Ba2 c6+= ; 14...a6 15.Rb1 Rb8 16.Qh4 Bb6 17.Rf3 Nd7+=; 14...Nd4 15.fe5 Nc2 16.Kd1 f5 17.ed6 Qd6+=) 15.Qf3 Nd8 16.Ng3 c6 17.Ba2 Nde6-/+; C3) 14.Qf3 Nd8 (14...ef4 15.Qf4 Ne5 16.0-0 c6 17.Ba2 Rf8+= ) 15.f5 c6 16.Ba2 Nf7 17.Ng3 Ng5+=; C4) 14.Rc1 Rf8 (14...Nd8 15.f5 Qd7 16.Ng3 c6 17.Bb3 d5-/+ ; 14...Bb6 15.d3 Rf8 16.f5 Qd7 17.Qh4 Ne7-/+ ; 14...Rb8 15.Rb1 Bb6 16.Qh4 a6 17.Bc3 Na4+=; 14...ef4 15.Qf4 Ne5 16.0-0 c6 17.Ba2 Rf8+=) 15.f5 Qd7 16.Ng3 Ne7 17.Bc4 d5-/+; C5) 14.Rd1 Bb6 (14...ef4 15.Qf4 Rf8 16.0-0 f5 17.ef5 Bb6= ; 14...Na4 15.Ba1 Bb6 16.Qf3 Na5 17.fe5 fe5=; 14...Nd8 15.f5 c6 16.Ba2 Qd7 17.0-0 d5=; 14...Nd4 15.Nd4 ed4 16.Bd4 c6 17.Bc5 cd5+=) 15.Qf3 Na5 16.fe5 de5 17.d4 ed4+=; D) 13...ef4 D1) 14.Rb1 g5 (14...Nce5 15.Qf4 c6 16.Ba2 Rf8 17.0-0 f5+= ; 14...Nc5 15.Qf4 Ne5 16.0-0 c6 17.Ba2 Ned7=; 14...Rf8 15.Nf4 f5 16.Qe2 Nc5 17.ef5 Rf5+=; 14...Nd8 15.Qf4 Bb6 16.d3 c6 17.Ba2 Rf8+=) 15.g3 Nc5 16.Qh5 Kd8 17.gf4 Ne4-/+; D2) 14.Qf4 Rf8 (14...Bb6 15.d4 Na5 16.0-0 c6 17.Ba2 c5= ; 14...Nce5 15.0-0 c6 16.Ba2 g5 17.Qe3 Ng4= ) 15.Bc6 bc6 16.Nd4 Ne5 17.Rb1 Nc4-/+; D3) 14.Rd1 g5 (14...Nce5 15.Qf4 c6 16.Bb3 Rf8 17.0-0 f5+= ; 14...Nc5 15.Qf4 Rf8 16.0-0 f5 17.ef5 Bb6= ; 14...Rf8 15.Nf4 Nce5 16.Qe2 c6 17.Bb3 f5+=; 14...Bb6 15.Qf4 Rf8 16.d4 f5 17.ef5 Rf5+=) 15.0-0 0-0-0 16.d4 Bb6 17.Qf5 Rde8-/+; D4) 14.Nf4 Nd8 (14...Nce5 15.Qe2 c6 16.Bb3 b5 17.0-0 Rb8= ; 14...Rb8 15.Qe2 Bb6 16.Rb1 Nd8 17.d4 c6= ; 14...Bb6 15.Qh4 0-0-0 16.Ne6 Rde8 17.Qh3 Nd8+=) 15.Qh4 Rf8 16.Kd1 c6 17.Bc4 Ne5+=; E) 13...Rb8 E1) 14.f5 Qg7 (14...Nf8 15.Rb1 Bb6 16.Bc3 Qd7 17.Ng3 Nd4+= ; 14...gf5 15.Qh5 Kd8 16.Qf5 Qg7 17.Qf3 Ne7+=) 15.Ng3 Ne7 16.Bb3 Nc5 17.Bc4 h5-/+; E2) 14.Ra2 Nc5 (14...Bb6 15.f5 Qg7 16.Ng3 Ne7 17.Be6 Nc5+= ; 14...Nb6 15.Be6 Nd8 16.Bb3 c5 17.c3 c4+= ; 14...a6 15.f5 Qg7 16.Ng3 Ne7 17.fg6 hg6+=; 14...ef4 15.Nf4 Nd8 16.Qh3 Rf8 17.Bd4 Nc5+=) 15.Qh4 Nd8 16.f5 c6 17.Bc4 b5-/+; E3) 14.Qg3 Nd8 (14...Nb6 15.Qd3 Qd7 16.Bb3 Rd8 17.Rb1 d5+= ; 14...a6 15.Rb1 Nb6 16.Bb3 ef4 17.Qf4 Rf8= ; 14...ef4 15.Qf4 Bb6 16.d4 Na5 17.0-0 c6=; 14...Nd4 15.Nd4 ed4 16.0-0 c6 17.Ba2 Bd2=) 15.fe5 fe5 16.Bc4 Nc5 17.Qg4 Rf8-/+; E4) 14.Qh3 ef4 (14...Nd8 15.f5 c6 16.Ba2 Qg7 17.Qg4 Qh6+= ; 14...Nb6 15.Bc6 bc6 16.Bc3 Bc3 17.Qc3 0-0+=; 14...Bb6 15.Rb1 Bc5 16.fe5 de5 17.Qf3 Qd6+=; 14...a6 15.Rb1 Nd8 16.f5 Qg7 17.Qg4 c6+=) 15.Nf4 Nce5 16.Bd4 c6 17.Be6 Nc5-/+; E5) 14.Rb1 Bb6 (14...Nb6 15.f5 Qg7 16.c3 Nd8 17.Bb3 c5= ; 14...Nd8 15.f5 c6 16.Ba2 Nf8 17.Qh4 b5= ; 14...a6 15.f5 Qg7 16.Bc1 Bb6 17.d3 Ne7+=; 14...ef4 15.Qf4 Rf8 16.0-0 f5 17.d4 Nd8+=) 15.f5 Qg7 16.Ng3 Ne7 17.Be6 Nc5+=.

13.Qh6 A) 13...Nd8 A1) 14.Rb1 c6 (14...Nc5 15.Ng3 Nce6 16.fe5 fe5 17.Rf1 c6-/+ ; 14...Nb6 15.Ba2 c6 16.Qh4 Rb8 17.Bb3 Nd7+=; 14...Rb8 15.f5 c6 16.Ba2 Qf8 17.Qh4 Qg7+=; 14...Bb6 15.f5 Qf8 16.Qh4 c6 17.Bb3 Nc5+=) 15.Bc4 Nc5 16.Ng3 d5 17.ed5 ef4-/+; A2) 14.Ng3 c6 (14...ef4 15.Qf4 c6 16.Bb3 Bb6 17.d4 Ne6+= ; 14...Nc5 15.f5 Qf8 16.Qh4 c6 17.Ba2 b5+= ; 14...Nb6 15.Bb3 c5 16.Rb1 c4 17.Ba2 Nf7-/+) 15.Ba2 Ne6 16.f5 Qg7 17.Qg7 Ng7-/+; A3) 14.Rd1 Bb6 (14...Nc5 15.Ng3 c6 16.Bc4 b5 17.Ba2 Nde6+= ; 14...c6 15.Ba2 Nc5 16.Ng3 Nde6 17.fe5 de5-/+; 14...Rb8 15.f5 Qf8 16.Qh4 Nb6 17.Ba2 Na4+=; 14...Rc8 15.f5 Qf8 16.Qh3 c6 17.Bb3 Qg7+=) 15.d3 c6 16.Bb3 ef4 17.Nf4 Rf8-/+; A4) 14.Bc4 c6 (14...ef4 15.Qf4 Ne6 16.Be6 Qe6 17.0-0 Bb6+= ; 14...Nb6 15.Bb3 Ne6 16.f5 Qg7 17.Qe3 Nc5+= ; 14...Nc5 15.Ng3 Nf7 16.Qh4 Ne6 17.Ne2 c6+=) 15.Rb1 Nc5 16.Ng3 d5 17.ed5 ef4-/+; A5) 14.f5 c6 15.Bb3 Qf8 16.Qh4 Qg7 17.Ng3 Nc5+=; B) 13...Bb6 B1) 14.f5 Qf8 15.Qh4 Nc5 16.Rb1 Ne7 17.d4 Ba5+=; B2) 14.Bc3 Bc5 (14...Nd8 15.f5 c6 16.Bb3 Qf8 17.Qh4 Qg7+= ; 14...Rb8 15.f5 Qf8 16.Qh3 Qg7 17.Qg4 Ne7+= ; 14...ef4 15.Nf4 Nde5 16.Ne6 Ba5 17.Qh3 Bb6=; 14...Nc5 15.d3 Nd4 16.Bd4 ed4 17.f5 c6+=) 15.f5 Qf8 16.Qf8 Rf8 17.Ng3 Rb8+=; B3) 14.d3 Nd8 (14...Rb8 15.Rb1 Be3 16.Qh4 Nb6 17.Bb3 Nd4+= ; 14...Ba5 15.Kd1 Rb8 16.Rb1 Nb6 17.Bb3 Rd8+=; 14...Na5 15.f5 Qf8 16.Qd2 Nc5 17.Bc3 Nc6+=; 14...Be3 15.Bc1 Bc1 16.Rc1 Na5 17.0-0 c6+=) 15.f5 c6 16.Bb3 Qf8 17.Qh4 Nc5+=; B4) 14.Rd1 Nd8 (14...Nc5 15.f5 Qf8 16.Qh3 Qg7 17.d4 ed4+= ; 14...Na5 15.f5 c6 16.Ba2 Qf8 17.Qh4 Qg7+= ; 14...Rb8 15.f5 Qf8 16.Qh3 Ne7 17.d4 Nd5+=; 14...Kd8 15.Rb1 Re8 16.d3 f5 17.fe5 Nde5+=) 15.Rb1 c6 16.Ba2 ef4 17.Qf4 Rf8+=; B5) 14.Rb1 Rb8 (14...Nd8 15.f5 Qf8 16.Qh4 Qg7 17.Ng3 c6+= ; 14...Na5 15.f5 c6 16.Ba2 Qf8 17.Qh4 Qg7+= ; 14...Nc5 15.d3 Ba5 16.Kf2 Bb6 17.Kg3 Na5+=; 14...Bc5 15.f5 Qf8 16.Qh4 Qg7 17.Qg4 Rb8+=) 15.f5 Qf8 16.Qh3 Nc5 17.Qf3 Qg7+=; C) 13...Rb8 C1) 14.f5 Qf8 15.Qe3 Ne7 16.fg6 Nd5 17.ed5 Qg8-/+; C2) 14.Rb1 Nb6 (14...Nd8 15.f5 c6 16.Ba2 Qf8 17.Qh4 Qg7+= ; 14...Bb6 15.f5 Qf8 16.Qh3 Nc5 17.Qf3 Qg7+= ; 14...a6 15.Qh3 Bb6 16.Qg4 ef4 17.Nf4 Nce5=; 14...Nc5 15.Ng3 Qf8 16.Qh4 Bb6 17.Ne2 Ne7+=) 15.f5 Qf8 16.Qh4 gf5 17.Bc6 bc6+=; C3) 14.Rc1 Nb6 (14...Nd8 15.Ng3 c6 16.Bb3 Ne6 17.f5 Qg7-/+ ) 15.f5 Qf8 16.Qf8 Rf8 17.Bb3 gf5-/+; C4) 14.h3 Nb6 (14...Nd4 15.Nd4 ed4 16.Kd1 c6 17.Bb3 Nc5+= ) 15.f5 Qf8 16.Qf8 Rf8 17.Bb3 Rd8-/+; C5) 14.Rd1 Nd8 (14...Nb6 15.Bb3 Rd8 16.0-0 d5 17.fe5 Ne5= ) 15.f5 Qf8 16.Qh4 Nb6 17.Ba2 Na4+=; D) 13...Nb6 D1) 14.Bb3 0-0-0 (14...Rd8 15.Rb1 d5 16.fe5 Ne5 17.Be5 Qe5-/+ ; 14...ef4 15.Qf4 Rf8 16.0-0 f5 17.Ng3 fe4= ; 14...Rb8 15.Rb1 Rd8 16.Bc1 ef4 17.Nf4 Nd4=) 15.Qh3 Kb8 16.Qd3 Rhe8 17.f5 d5-/+; D2) 14.Bc6 bc6 15.Bc3 Bc3 16.Nc3 ef4 17.0-0 g5-/+; D3) 14.Rd1 Rb8 (14...Nd5 15.ed5 Nd8 16.0-0 Bb6 17.d4 Nf7+= ) 15.Bb3 Nd7 16.Bd5 Bb6 17.f5 Qf8+=; D4) 14.f5 gf5 (14...Qf8 15.Qh4 Rb8 16.Bb3 Qg7 17.Ng3 Ne7+= ) 15.Bc6 bc6 16.Qh5 Qf7 17.Qf5 Rg8+=; E) 13...Nc5 E1) 14.Rb1 Nd8 (14...Bb6 15.d3 Ba5 16.Kf2 Bb6 17.Kg3 Na5+= ; 14...Nd4 15.fe5 de5 16.Nd4 ed4 17.0-0 c6+= ; 14...ef4 15.Qf4 Ne5 16.0-0 c6 17.Ba2 Ned7=; 14...Rb8 15.Ng3 Nd8 16.f5 c6 17.fg6 cd5=) 15.Ng3 Nce6 16.fe5 fe5 17.Rf1 c6-/+; E2) 14.f5 Qf8 15.Qh4 Ne7 16.Be6 h5 17.Bc3 Bb6-/+; E3) 14.Ra2 Nd8 (14...Nd4 15.fe5 de5 16.Nd4 ed4 17.Bd4 Ne4+= ) 15.Ng3 c6 16.Bc4 d5 17.Be2 Nf7-+; E4) 14.Qh3 Nd8 15.fe5 fe5 16.Qg4 c6 17.Ba2 Rf8-/+; E5) 14.Rd1 Nd8 (14...Qf8 15.Qh4 Ne7 16.Ba2 g5 17.Qh5 Kd8+= ; 14...Bb6 15.f5 Qf8 16.Qh3 Qg7 17.Qg4 Ne7+=) 15.Ng3 c6 16.Bc4 b5 17.Ba2 Nde6+=.

11.Be6 Qe6

12.Nd5 0-0

13.0-0 Bd2 A) 14.fe5 Bg5 15.Qg3 Na6 16.h4 Bh6 17.Rf6 Rf6 18.Nf6+/-; B) 14.Nc7 Qc4 15.Na8 (15.Ng3 Qc2 16.Na8 ef4 17.Nf5 Nd7 18.Nh6=) 15...Qe2 16.fe5 Be3 17.Kh1 Qc2 18.Qh3+= (18.Rab1 de5 19.Nc7=); C) 14.Rad1 Ba5 15.fe5 Bb6 16.Kh1 Ne5 17.Rf6 Rf6 18.Nf6+-.

13.0-0 f5 A) 14.Nec3 A1) 14...Nd4 15.fe5 de5 16.ef5 gf5 17.Ne7 Kh8 18.Ncd5+=; A2) 14...Bc3 15.Bc3 (15.Nc3 Nd7 16.fe5 Nde5 17.Rab1 Qc4 18.Nd5+=) 15...Na6 16.fe5 de5 17.Rab1 b6 18.Rb5=; A3) 14...Na6 15.ef5 (15.fe5 de5 16.ef5 gf5 17.Rae1 Rad8 18.Nf4+=) 15...Qf5 16.Rab1 e4 17.g4 Qf7 18.f5=; A4) 14...Nd7 15.fe5 (15.ef5 Rf5 16.fe5 Rh5 17.Qg3 Qe5 18.Rf4+=; 15.Nb5 Rac8 16.fe5 de5 17.Bc3 Bb6 18.Nb6+=; 15.Rae1 fe4 16.fe5 Rf1 17.Rf1 Qe5 18.Qe4-/+) 15...de5 16.ef5 Rf5 17.Rf5 gf5 18.Re1+=; B) 14.fe5 de5 15.Bc3 (15.Rab1 Nd7 16.Nec3 Nd4 17.Ne7 Kh8 18.Ncd5+=; 15.Nec3 Nd4 16.ef5 gf5 17.Ne7 Kh8 18.Ncd5+=; 15.d4 Nd7 16.de5 Nde5 17.Rad1 Nc4 18.Nef4+=; 15.Rad1 Nd7 16.d4 fe4 17.Qe4 Rae8 18.Rf8+=) 15...Bb6 16.Nb6 ab6 17.ef5 Rf5 18.Rf5=; C) 14.c4 C1) 14...Nd7 15.ef5 (15.Ng3 Bb6 16.Kh1 fe4 17.fe5 Nce5 18.Ne4=; 15.Nec3 Nd4 16.Rae1 h5 17.Ne7 Kf7 18.Ned5=; 15.fe5 de5 16.ef5 Rf5 17.Ng3 Rf1 18.Rf1=; 15.d4 ed4 16.Nd4 Nd4 17.Bd4 Qe4 18.Rad1-/+) 15...Rf5 16.Ng3 Rf7 17.Ne4 Rg7 18.fe5=; C2) 14...Na6 15.ef5 (15.fe5 de5 16.ef5 gf5 17.d4 Rae8 18.de5+/-) 15...Qf5 16.fe5 Qc2 17.Nf6 Rf6 18.ef6+/-; C3) 14...Bb6 15.Kh1 (15.Nb6 ab6 16.ef5 Rf5 17.fe5 de5 18.Ng3=) 15...Nd7 16.Ng3 fe4 17.fe5 Nce5 18.Ne4=.

13.0-0 Nd7

14.Bc3 Bb6 15.Nb6 ab6 16.f5 gf5 17.Rf5 Ne7 18.Rf3+=.

14.f5 Qe8 15.Rab1 (15.c3 g5 16.Qg4 Bb6 17.Kh1 Nc5 18.Qf3=; 15.d3 g5 16.Qh6 Ne7 17.Bc3 Bb6 18.Nb6+=; 15.Rad1 Bb6 16.Nb6 g5 17.Qg4 Nb6 18.d3+=; 15.fg6 hg6 16.d3 Kg7 17.Qg4 Bb6 18.Kh1=) 15...Ne7 16.fg6 hg6 17.Bc3 Nd5 18.Ba5=.

14.f5 gf5 15.Rf5+= Ne7 16.Ne7 (16.Nef4 Qf7 17.Ne7 Qe7+= 18.d4+=) 16...Qe7= 17.d4 Rf7 (17...Bb6 18.c3=) 18.Rh5 (18.Ng3+=) 18...Nf8 (18...Bd2 19.Qf2=) 19.Ng3+= Ng6 20.Qg4 Qd7 21.Qd7 (21.Nf5 Bb6+=) 21...Rd7= 22.Rf1 (22.Rf5 Ne7 23.Rf2 Rf8+=) 22...Nf4 (22...Bb6 23.c3 d5 24.ed5+=) 23.Rh6 (23.Rf5 Rf8=) 23...Rf8+= 24.Nh5 (24.Kh1!?+=) 24...Nh5-/+ 25.Rh5 Bb6 26.c3 d5 (26...Re7 27.Rh4-+) 27.ed5-/+ Rd5 28.Kh1 Rb5 (28...Rdd8-/+) 29.Rb1? (better is 29.Ba1 Ra5 30.c4+=) 29...Rb3-+ 30.Rh3 Rd8 31.Rd3 ed4 32.Rg3 Kf7 33.cd4 Rb2?? (better is 33...Rb5 34.a4 Rb4-+) 34.Rb2-/+ Rd4 35.Rb1 Bc5 (35...Rd5 36.Rf1-/+) 36.Rf1 (36.Rh3 Kg7+=) 36...b5 37.Rgf3 Be7 38.Rf5 (38.Rh3!?+=) 38...c5-/+ 39.g3 (39.R5f4 a5-/+) 39...a5-+ 40.h4 (40.R5f4 Rd5-/+) 40...Rd3 41.R1f3 Rf3 42.Rf3 b4 43.ab4? (better is 43.Kg2-+) 43...cb4 44.g4 a4 45.g5 b3 (45...b3 46.Re3 b2-+) 0–1. Heyn – Rohde Jensen, corr, 1966.

14.f5= Qf7

15.c3 A) 15...Ne7 A1) 16.fg6 hg6 (16...Ng6 17.Qg4 Bb6 18.d4 c6 19.Ne3 Rae8= ) 17.Ne7 Qe7 18.Rab1 Bb6 19.d4 Qe6+=; A2) 16.Ne7 Qe7 17.fg6 hg6 18.Ng3 Rae8 19.Qg4 Qg7+=; B) 15...g5 B1) 16.Qh3 Nb6 (16...Rae8 17.d3 Ne7 18.Ne7 Re7 19.Qf3 Nc5+= ; 16...Rfe8 17.d3 Ne7 18.Ne7 Re7 19.Kh1 d5+=; 16...b5 17.d3 Nb6 18.Nb4 Ne7 19.Qe3 d5+=; 16...Ne7 17.Ne7 Qe7 18.Qf3 Nb6 19.Rab1 Nc4+=) 17.Nb4 Ne7 18.d3 c5 19.Na2 d5-/+; B2) 16.Qf2 Nb6 (16...Rfe8 17.d3 Ne7 18.Ne7 Re7 19.Kh1 Nc5+= ; 16...b5 17.d4 Nb6 18.Ne3 Nc4 19.Nc4 Qc4+= ; 16...Rae8 17.d3 Nb6 18.Nb4 Na4 19.Bc1 Qb3+=; 16...Ne7 17.Ne7 Qe7 18.Qf3 Nb6 19.Rab1 Nc4+=) 17.Ne3 Nc4 18.Nc4 Qc4 19.Qf3 Bb6-/+; B3) 16.Qg3 Nb6 17.Ne3 d5 18.Qf3 Nc4 19.Nc4 dc4-/+; B4) 16.Qe1 Nb6 (16...Nc5 17.Ng3 Nd3 18.Qe2 Nf4 19.Nf4 Bb6-/+ ; 16...Ne7 17.Ne7 Qe7 18.Ng3 d5 19.ed5 Qc5-/+ ; 16...Bb6 17.d4 Rfe8 18.Ng3 Ne7 19.Nb6 Nb6+=; 16...Rfe8 17.Qg3 Ne7 18.Ne7 Re7 19.d3 Qb3-/+) 17.Nb4 Na4 18.Bc1 Nc5 19.Ng3 Nb3-/+; B5) 16.Qg4 Rae8 (16...Nb6 17.Nb4 Nc4 18.Bc1 Bb6 19.Kh1 Nb4= ) 17.d3 Ne7 18.Ne7 Re7 19.Qf3 Nc5+=; C) 15...Rae8 C1) 16.Rad1 a6 (16...b5 17.Qg4 Bb6 18.d4 ed4 19.cd4 Nce5+= ; 16...g5 17.Qg4 Ne7 18.Ne3 Bb6 19.d4 ed4+= ; 16...Bb6 17.d4 g5 18.Qg4 ed4 19.Nd4 Nc5-/+; 16...Ne7 17.Ne7 Re7 18.fg6 hg6 19.Qg4 Bb6+=) 17.d4 g5 18.Qg4 Nb6 19.Nb6 Bb6-/+; C2) 16.Rab1 Bb6 (16...g5 17.Qg4 Ne7 18.Ne7 Re7 19.Qf3 Nc5+= ; 16...Ne7 17.Ne7 Re7 18.fg6 hg6 19.Qg4 Bb6+= ) 17.d4 Ne7 18.fg6 hg6 19.Ne7 Re7+=; C3) 16.Rae1 Ne7 17.Ne7 Re7 18.fg6 hg6 19.Qg4 Bb6+=; C4) 16.d3 Ne7 (16...Bb6 17.Nb6 Nb6 18.Bc1 g5 19.Qh3 d5+= ) 17.Ne7 Re7 18.fg6 hg6 19.Qg4 Nc5+=; C5) 16.Ng3 g5 (16...Bb6 17.Nb6 g5 18.Qg4 Nb6 19.h4 h6=; 16...Ne7 17.Ne7 Re7 18.fg6 Bb6 19.Kh1 hg6+=) 17.Qg4 Nb6 18.Ne3 d5 19.Qe2 de4+=; D) 15...Rab8 D1) 16.Rab1 g5 (16...b5 17.Ng3 g5 18.Qg4 Ne7 19.Ne3 Bb6+= ; 16...a6 17.d4 g5 18.Qg4 Nb6 19.Ne3 Qa2+= ; 16...Bb6 17.d4 g5 18.Qg4 Ne7 19.Ne7 Qe7+=; 16...Ne7 17.fg6 hg6 18.Ne7 Qe7 19.Ng3 Bb6+=) 17.Qg4 Nb6 18.Ne3 d5 19.d3 Rfd8+=; D2) 16.Ng3 g5 (16...Bb6 17.Kh1 Ne7 18.Ne7 Qe7 19.a4 a5= ) 17.Qg4 Nb6 18.Ne3 Na4 19.Bc1 Bb6+=; D3) 16.d4 Rbe8 (16...a6 17.Rab1 g5 18.Qg3 Nb6 19.Nb6 Bb6+= ; 16...b5 17.a4 b4 18.cb4 Nb4 19.fg6 hg6+= ; 16...Bb6 17.Rab1 Ne7 18.Ne7 Qe7 19.Qg4 g5+=; 16...g5 17.Qf2 Nb6 18.Nb4 Nc4 19.Bc1 a6+=) 17.Bc1 g5 18.Qg4 ed4 19.cd4 Nb6-/+; D4) 16.Rad1 Rbe8 (16...b5 17.fg6 hg6 18.d4 Rbe8 19.Rd3 g5= ; 16...Bb6 17.d4 Ne7 18.Ne7 Qe7 19.fg6 hg6=; 16...g5 17.Qg4 Nb6 18.Ne3 Qa2 19.Bc1 d5=; 16...Ne7 17.Ne7 Qe7 18.fg6 hg6 19.Ng3 Qe6=) 17.Ng3 g5 18.Qh6 Nb6 19.Nb4 Ne7+=; D5) 16.d3 g5 (16...Ne7 17.fg6 hg6 18.Ne7 Qe7 19.Qg4 Bb6+= ; 16...Bb6 17.d4 g5 18.Qg4 Na5 19.Bc1 Nc4+= ; 16...b5 17.Bc1 g5 18.Qg4 Bb6 19.Nb6 Nb6=; 16...a6 17.Bc1 g5 18.Qg4 Nb6 19.Nb4 d5=) 17.Qg4 Nb6 18.Nb4 Ne7 19.Rab1 c5+=; E) 15...Bb6 16.d4 g5 (16...Rae8 17.Rab1 Ne7 18.fg6 hg6 19.Ne7 Re7+=; 16...Ne7 17.fg6 hg6 18.Ne7 Qe7 19.a4 ed4= ; 16...Rab8 17.Rab1 Ne7 18.fg6 hg6 19.Nb6 Nb6= ; 16...a6 17.fg6 hg6 18.Bc1 Qh7 19.Qg3 ed4+=) 17.Qg4 Na5 18.Rab1 Nc4 19.Bc1 c6+=.

15.Rad1 A) 15...Bb6 16.Kh1 g5 (16...Ne7 17.Ne7 Qe7 18.Nc3 c6 19.Rb1 Bd4+= ; 16...Rae8 17.Rb1 Ne7 18.Ne7 Qe7 19.Nc3 c6+= ; 16...Rad8 17.Rb1 Ne7 18.Ne7 Qe7 19.Nc3 c6+=) 17.Qh6 Ne7 18.Ne7 Qe7 19.Qh3 Qf7+=; B) 15...Rae8 B1) 16.c3 Ne7 (16...g5 17.Qg4 Ne7 18.Ne3 Bb6 19.d4 ed4+= ; 16...b5 17.Ng3 g5 18.Qh6 Ne7 19.Ne7 Re7+= ; 16...Bb6 17.d4 g5 18.Qg4 ed4 19.Nd4 Nc5-/+; 16...a6 17.Ng3 g5 18.Qh6 Nb6 19.Nb4 Na4+=) 17.Ne7 Re7 18.Ng3 g5 19.Qg4 Nc5-/+; B2) 16.fg6 hg6 17.Bc3 Bb6 18.Nb6 Nb6 19.Ng3 Qh7+=; B3) 16.c4 Ne7 (16...g5 17.Qg4 Bb6 18.Kh1 Ne7 19.Nb6 Nb6+= ; 16...a6 17.Rb1 Ne7 18.fg6 hg6 19.Bc3 Nd5+=; 16...Kg7 17.d3 Ne7 18.d4 Nd5 19.cd5 Bb6=; 16...Bb6 17.Kh1 Ne7 18.Ne7 Re7 19.d3 c6+=) 17.fg6 hg6 18.d4 Nd5 19.cd5 Bb6+=; B4) 16.Rf3 g5 (16...Bb6 17.Kh1 Ne7 18.Ne7 Re7 19.fg6 hg6+= ; 16...a6 17.fg6 hg6 18.Rdf1 Kg7 19.Ng3 Bd2=; 16...Ne7 17.fg6 hg6 18.Bc3 Bb6 19.Nb6 Nb6+=) 17.Qg4 Nb6 18.Rd3 Na4 19.Rb3 h5-/+; B5) 16.Ng3 Bb6 (16...Ne7 17.fg6 hg6 18.Ne7 Re7 19.Qg4 Bb6+= ; 16...g5 17.Qg4 Nb6 18.Nb6 Bb6 19.Kh1 Qc4+=) 17.Nb6 g5 18.Qh6 Nb6 19.Rb1 d5+=; C) 15...Ne7 C1) 16.fg6 hg6 17.Ne7 Qe7 18.Qg4 Bb6 19.Kh1 Kf7+=; C2) 16.c4 Rae8 (16...g5 17.Qg4 c6 18.Ne7 Qe7 19.d3 Bb6+= ; 16...Nd5 17.cd5 c6 18.dc6 bc6 19.fg6 hg6+=; 16...Bb6 17.d4 Rae8 18.fg6 hg6 19.Nb6 ab6+=; 16...Nb6 17.fg6 Ng6 18.Nf6 Kh8 19.Qh3 Qe7=) 17.fg6 hg6 18.d4 Nd5 19.cd5 Bb6+=; C3) 16.Ne7 Qe7 17.fg6 hg6 18.Qg4 Bb6 19.d4 Qg7+=; D) 15...b5 D1) 16.c3 g5 (16...Bb6 17.d4 g5 18.Qg4 Ne7 19.Nb6 Nb6+=; 16...Rae8 17.Ng3 g5 18.Qg4 Nb6 19.Nb4 Ne7+=; 16...a6 17.fg6 hg6 18.d4 Rae8 19.Rd3 Bb6=; 16...Ne7 17.Ne7 Qe7 18.fg6 hg6 19.Qg4 Qg7+=) 17.Qg4 Nb6 18.Ne3 Na4 19.Bc1 Bb6-/+; D2) 16.d4 Rab8 (16...g5 17.Qg3 Rfe8 18.h4 h6 19.hg5 hg5+= ; 16...Bb6 17.fg6 hg6 18.Nb6 ab6 19.d5 Na5+=; 16...a6 17.fg6 hg6 18.c3 Rae8 19.Rd3 Bb6=; 16...Rae8 17.fg6 hg6 18.c3 f5 19.Qg3 Qg7+=) 17.fg6 hg6 18.Rf6 Nf6 19.Rf1 Nd5-/+; D3) 16.fg6 hg6 17.Qg3 Bb6 18.d4 Rae8 19.Nb6 Nb6=; E) 15...g5 E1) 16.Qg4 Nb6 17.Nb6 Bb6 18.Kh1 Rfd8 19.Nc3 Nd4+=; E2) 16.Qg3 Nb6 17.Nb6 Bb6 18.Kh1 d5 19.ed5 Qd5+=; E3) 16.Qf2 Nb6 (16...Bb6 17.Nb6 Nb6 18.Rb1 Qc4 19.Nc3 Qc5+= ) 17.Qf3 Nd5 18.ed5 Bb6 19.Kh1 Ne7+=; E4) 16.Qh3 Nb6 (16...Bb6 17.Kh1 Ne7 18.Ne7 Qe7 19.Qf3 Bc5= ; 16...Rfe8 17.c4 Ne7 18.Kh1 Nd5 19.cd5 Rab8+= ; 16...Rae8 17.d3 b5 18.Qg3 Nb6 19.Ne3 d5+= ; 16...Nc5 17.Qe3 Bb6 18.Kh1 Ne7 19.Ne7 Qe7+=) 17.Ne3 Nc4 18.Ng4 Bb6 19.Kh1 Kg7+=.

15.d3 A) 15...g5 A1) 16.Qg3 a6 (16...Ne7 17.Ne7 Qe7 18.Kh1 c6 19.c4 Rfb8+= ; 16...b5 17.c3 Qh5 18.Rfe1 Bb6 19.Kh1 Nc5=; 16...Qh5 17.Rf3 Bb6 18.Kh1 Nc5 19.Rb1 Na4=; 16...Bb6 17.Kh1 Qh5 18.Rae1 Rae8 19.Bc1 Ba5=) 17.Rab1 b5 18.Qf3 Nb6 19.Bc3 Nd5+=; A2) 16.Qh3 b5 (16...Bb6 17.Kh1 Ne7 18.Nb6 Nb6 19.c4 c6+= ; 16...Ne7 17.Bc3 Bc3 18.Ndc3 d5 19.ed5 Nd5+= ; 16...Rfe8 17.c4 Ne7 18.Ne3 c6 19.Ng4 Kg7+=; 16...Rfb8 17.Bc1 Ne7 18.Ne7 Qe7 19.Kh1 c6+=) 17.c3 Nb6 18.Nb4 Ne7 19.Qe3 c5+=; A3) 16.Qh6 Ne7 (16...b5 17.Bc3 Nb6 18.Ba5 Na5 19.Ndc3 c6+= ; 16...Bb6 17.Nb6 ab6 18.Nc3 Nc5 19.Nd5 Na4+= ; 16...Nb6 17.c4 Nd5 18.cd5 Bb6 19.Kh1 Na5+=; 16...Rae8 17.Bc3 Bb6 18.Kh1 Ne7 19.Nb6 Nb6+= ) 17.Bc3 Bc3 18.Ndc3 d5 19.ed5 Nd5+=; A4) 16.Qf2 Nb6 (16...Ne7 17.Ne7 Qe7 18.Kh1 Bb6 19.Qf3 c6= ; 16...Bb6 17.Nb6 Nb6 18.c4 Na4 19.Rab1 Nc5+=; 16...b5 17.Rab1 Ne7 18.Ne7 Qe7 19.Bc1 Bb6+= ; 16...Rfe8 17.Qf3 Nb6 18.c4 Nd5 19.cd5 Bb6=) 17.c4 Nd5 18.cd5 Bb6 19.d4 Nd4+=; A5) 16.Qg4 b5 (16...Ne7 17.Ne7 Qe7 18.Rab1 c6 19.c4 Bb6+= ; 16...Bb6 17.Kh1 Ne7 18.Nb6 ab6 19.Rad1 b5+= ; 16...Nb6 17.c4 Na4 18.Rab1 Bb6 19.Kh1 Bc5=; 16...Rab8 17.Rab1 Ne7 18.Ne7 Qe7 19.Kh1 c6=) 17.c3 Bb6 18.Nb6 ab6 19.Qf3 Ra4+=; B) 15...Bb6 B1) 16.Kh1 g5 (16...Ne7 17.Ne7 Qe7 18.Qg4 Qf7 19.Ng3 Qg7= ; 16...Rab8 17.Bc1 g5 18.Qg4 Rfc8 19.Nb6 Nb6+= ; 16...Rae8 17.fg6 hg6 18.Bc1 Qh7 19.Bh6 Ne7= ) 17.Qg4 Ne7 18.Nb6 ab6 19.Nc3 Nc5+=; B2) 16.d4 g5 (16...ed4 17.fg6 hg6 18.Nb6 ab6 19.Nd4 Nd4+= ; 16...Nd4 17.Nd4 ed4 18.fg6 hg6 19.Nb6 ab6+=) 17.Qg3 ed4 18.Nb6 ab6 19.Nd4 Nc5-/+; B3) 16.Nb6 Nb6 (16...g5 17.Qh6 ab6 18.Nc3 Nc5 19.Nd5 Na4= ; 16...ab6 17.fg6 hg6 18.Rf3 Kg7 19.Qg4 Rh8= ) 17.fg6 hg6 18.Rf3 Qh7 19.Qg4 Kf7+=; C) 15...b5 C1) 16.Rab1 Ne7 (16...g5 17.Qg3 Bb6 18.Kh1 Qh5 19.Ng1 Nd8= ; 16...a6 17.fg6 hg6 18.Bc3 Bb6 19.Nb6 Nb6= ; 16...Bb6 17.Nb6 ab6 18.fg6 hg6 19.Bc1 Ra5=) 17.fg6 hg6 18.Bc3 Bb6 19.Nb6 ab6+=; C2) 16.c3 Bb6 (16...Ne7 17.fg6 hg6 18.Ne7 Qe7 19.a4 ba4+= ; 16...g5 17.Qg3 Nb6 18.Nb4 Ne7 19.Rab1 d5+= ; 16...Rab8 17.Bc1 g5 18.Qg4 Bb6 19.Nb6 Nb6=; 16...a6 17.Bc1 g5 18.Qg3 Nb6 19.Nb4 Ne7+=) 17.d4 Na5 18.fg6 hg6 19.Bc1 Nb3+=; C3) 16.Bc1 g5 (16...Bb6 17.Nb6 ab6 18.Bh6 Rfd8 19.fg6 hg6= ) 17.Qg3 Nb6 18.Ne3 d5 19.Rb1 a6+=; C4) 16.a4 g5 (16...b4 17.fg6 hg6 18.Bc1 Qe6 19.Bh6 Rf7= ; 16...ba4 17.Ra4 g5 18.Qh6 Nb6 19.Nb6 ab6+= ) 17.Qg4 b4 18.Rfb1 Rfb8 19.Kh1 Nb6+=; C5) 16.fg6 hg6 17.Bc1 Bb6 18.Nb6 ab6 19.Rb1 Ra5=; D) 15...Rab8 D1) 16.Rab1 g5 (16...Bb6 17.Nb6 g5 18.Qg4 Nb6 19.h4 h6+= ; 16...Ne7 17.Ne7 Qe7 18.fg6 hg6 19.Qg4 Qg7= ; 16...a6 17.Bc1 g5 18.Qg4 b5 19.Be3 Bb6= ; 16...Kg7 17.Bc1 g5 18.Qg3 Bb6 19.Be3 Be3=) 17.Qg3 Ne7 18.Bc3 Bc3 19.Ndc3 c6+=; D2) 16.c3 g5 (16...Ne7 17.fg6 hg6 18.Ne7 Qe7 19.Qg4 Bb6+= ; 16...Bb6 17.d4 Ne7 18.Ne7 Qe7 19.fg6 hg6= ; 16...b5 17.Bc1 g5 18.Qg4 Bb6 19.Nb6 Nb6=; 16...a6 17.Bc1 g5 18.Qg4 Nb6 19.Nb4 d5=) 17.Qg4 Bb6 18.d4 Na5 19.Bc1 Nc4+=; D3) 16.Rad1 g5 (16...b5 17.fg6 hg6 18.d4 ed4 19.Bd4 Nd4= ; 16...Bb6 17.Nb6 g5 18.Qg4 Nb6 19.h4 h6+= ; 16...Ne7 17.Ne7 Qe7 18.Qg4 g5 19.h4 Bb6+=; 16...a6 17.c3 g5 18.Qg4 Nb6 19.Nb4 Na4+=) 17.Qg4 b5 18.Rb1 Ne7 19.Ne7 Qe7+=; D4) 16.Rf2 Bb6 (16...g5 17.Qg4 b5 18.c3 Ne7 19.Ne7 Qe7+= ; 16...b5 17.fg6 hg6 18.Raf1 Kg7 19.Qg4 Bb6= ; 16...a6 17.fg6 hg6 18.Raf1 Kg7 19.Bc1 Rh8+=; 16...Kg7 17.fg6 hg6 18.Raf1 Ne7 19.Ne7 Qe7=) 17.Nb6 g5 18.Qg3 Nb6 19.Bc1 d5+=; D5) 16.fg6 hg6 17.Qg3 Bb6 18.Nb6 Nb6 19.Rf2 d5=; E) 15...Ne7 16.c4 Nd5 (16...c6 17.Ne7 Qe7 18.fg6 hg6 19.Qg4 Bb6+= ; 16...Bb6 17.Nb6 ab6 18.Qg3 Kh8 19.fg6 Qg6+= ; 16...g5 17.Ne7 Qe7 18.Qg3 Rfb8 19.Rab1 Bb6+=; 16...Rae8 17.Bc3 Nd5 18.Ba5 g5 19.Qg3 N5b6=) 17.cd5 Rae8 18.d4 g5 19.Qg4 Qe7+=.

15.Qg3 A) 15...Rad8 A1) 16.c3 Bb6 (16...Qg7 17.Qh4 g5 18.Qg4 Nb6 19.Nb4 Qd7+= ; 16...a6 17.Rab1 g5 18.d3 Ne7 19.Ne7 Qe7= ; 16...Rde8 17.fg6 hg6 18.d3 Ne7 19.Ne7 Re7+=; 16...Rb8 17.Rab1 Bb6 18.d4 Rbe8 19.Qg4 Qg7=) 17.d4 Rde8 18.Qg4 ed4 19.cd4 Nce5-/+; A2) 16.Rad1 g5 (16...Bb6 17.Kh1 a6 18.fg6 hg6 19.Rf3 Kg7= ; 16...Rde8 17.d3 g5 18.Kh1 Qh5 19.Qe3 Bb6+=; 16...Rb8 17.c3 Nb6 18.fg6 Qg6 19.Nf6 Kg7=; 16...b5 17.fg6 hg6 18.d4 Bb6 19.Nb6 Nb6=) 17.d3 Bb6 18.Kh1 Ne7 19.Ne7 Qe7+=; A3) 16.fg6 hg6 (16...Qg6 17.Qb3 Rf7 18.Ng3 Nc5 19.Qe3 Kf8= ) 17.Bc1 Bb6 18.Nb6 Nb6 19.d3 d5+=; A4) 16.d3 Qg7 (16...g5 17.Bc1 Bb6 18.Be3 Be3 19.Qe3 Nb6= ; 16...Bb6 17.Kh1 g5 18.Qf3 Ne7 19.Nb6 Nb6+=; 16...Kg7 17.Bc1 Ne7 18.fg6 hg6 19.Ne7 Bb6+= ; 16...a6 17.Bc1 Bb6 18.Nb6 Nb6 19.Bh6 Rfe8=) 17.Bc1 Nb6 18.fg6 hg6 19.c4 Nd5+=; A5) 16.Bc3 Bb6 (16...Bc3 17.Qc3 Nb6 18.fg6 Qg6 19.Qd3 Nd5= ; 16...Nb6 17.fg6 Qg6 18.Qd3 Nd5 19.Ba5 Nb6=) 17.Kh1 Qg7 18.Rab1 gf5 19.Rf5 Qg3=; B) 15...Bb6 16.Kh1 a6 (16...Rab8 17.Rab1 Qg7 18.d3 gf5 19.Rf5 Qg3=; 16...Rae8 17.Qg4 Na5 18.d3 Nc6 19.fg6 hg6= ; 16...g5 17.d3 Qh5 18.Qe1 Nc5 19.Rb1 Na4= ; 16...Kg7 17.Rab1 Ne7 18.Ne7 Qe7 19.Qg4 Nc5=) 17.Rab1 Kg7 18.fg6 hg6 19.d3 Ne7+=; C) 15...a6 C1) 16.Rab1 b5 (16...Bb6 17.d4 Kg7 18.Nb6 Nb6 19.d5 Na5= ; 16...Rab8 17.fg6 hg6 18.d3 Qg7 19.Qh3 b5=; 16...Rae8 17.fg6 hg6 18.d3 Qg7 19.Bc1 b5=; 16...Rad8 17.fg6 hg6 18.d3 Bb6 19.Nb6 Nb6=) 17.fg6 hg6 18.d3 Bb6 19.Nb6 Nb6=; C2) 16.d3 g5 (16...Bb6 17.Nb6 Nb6 18.Bc1 d5 19.Bh6 Rfd8+= ; 16...Qg7 17.Bc1 gf5 18.Bh6 Qg3 19.Ng3 Rf7= ; 16...b5 17.fg6 hg6 18.Rab1 Qg7 19.Qh3 Rae8= ; 16...Rad8 17.Bc1 Bb6 18.Nb6 Nb6 19.Bh6 Rfe8= ) 17.Rab1 b5 18.c3 Nb6 19.Nb4 Ne7+=; C3) 16.c3 Bb6 (16...b5 17.fg6 Qg6 18.Qf3 Nb6 19.Nc7 Ra7+= ; 16...Rae8 17.fg6 hg6 18.d3 Ne7 19.Ne7 Re7+=; 16...Qg7 17.Rab1 Bb6 18.d4 gf5 19.Qg7 Kg7 20.Rf5+= ; 16...Kg7 17.fg6 hg6 18.Qg4 Rh8 19.Rf3 Bb6+= ) 17.d4 Rae8 18.Nb6 Nb6 19.Rae1 Kh8+=; C4) 16.Bc1 g5 (16...Bb6 17.Nb6 Nb6 18.d3 d5 19.Bh6 Rfd8+= ; 16...b5 17.d3 g5 18.c3 Nb6 19.Nb4 Ne7+= ) 17.Rb1 b5 18.d3 Nb6 19.Ne3 d5+=; C5) 16.fg6 hg6 (16...Qg6 17.Qf3 Rf7 18.Ng3 Nb6 19.Nb6 Bb6= ) 17.d3 Qg7 18.Qh3 Bb6 19.Nb6 Nb6=; D) 15...Nc5 D1) 16.d3 g5 (16...Bb6 17.Kh1 g5 18.Bc1 Nd7 19.Rf3 Rfd8= ; 16...Qg7 17.Bc1 gf5 18.Bh6 Qg3 19.Ng3 fe4=) 17.Rab1 Bb6 18.Kh1 Ne7 19.Nec3 c6=; D2) 16.Qe3 Bb6 (16...g5 17.Rab1 Ne7 18.Ne7 Qe7 19.Kh1 c6+= ; 16...Qg7 17.fg6 hg6 18.d4 ed4 19.Nd4 Ne7=) 17.d3 gf5 18.Rf5 Na4 19.Nb6 ab6+=; D3) 16.fg6 Qg6 17.d3 Bb6 18.Kh1 Qg3 19.Ng3 Kg7=; E) 15...g5 16.d3 b5 (16...Ne7 17.Ne7 Qe7 18.Kh1 c6 19.Rad1 d5+= ; 16...Qh5 17.Rf3 Bb6 18.Kh1 g4 19.Bc1 Rf7= ; 16...Bb6 17.Kh1 Qh5 18.Rf3 Nc5 19.Rb1 Na4=; 16...Rfb8 17.Rab1 Qh5 18.Rf3 b5 19.c3 Nd8=) 17.c3 Nb6 18.Nb4 Ne7 19.Rab1 d5+=.

15.fg6 hg6 16.Rf3 (16.Qg3 A) 16...Bb6 17.Nb6 (17.Kh1 Kg7 18.Rab1 Ne7 19.Ne7 Qe7+=) 17...Nb6+= 18.Rab1 Kg7 19.d3 d5+=; B) 16...Rad8 17.d3 Bb6 18.Nb6 Nb6 19.Bc1 d5+=; C) 16...b5 17.Rab1 a6 18.d3 Qg7 19.Qh3 Rae8=; D) 16...Rae8 17.Bc3 Bb6 18.Nb6 Nb6 19.a4 a5+=; E) 16...Kg7 17.Rab1 Ne7 18.Nec3 Bc3 19.Nc3 Qc4+=; 16.Bc3 Bb6 (16...Rab8 17.Ba5 Na5 18.Qg4 c6 19.Ne3 Rfd8=; 16...Rad8 17.Ba5 Na5 18.Rf3 c6 19.Ne3 Qh7=) 17.Nb6 ab6 18.d3 Qh7 19.Qg4 Ra4+=; 16.Rab1 f5 (16...Bd2 17.Nc7 Rac8 18.Nd5 Bg5 19.Qg4 Nb6+=; 16...Qe6 17.Bc3 Bb6 18.Rb6 cb6 19.Nc7 Qf7=; 16...Rab8 17.Bc3 Bb6 18.Nb6 Nb6 19.Ng3 Qh7+=) 17.Bc1 Rab8 18.Qg3 Qe6 19.ef5 Rf5+=; 16.Qh6 Bb6 17.Nb6 Nb6 18.Rab1 Rae8 19.Ng3 Qh7+=; 16.d3 f5 17.Nef4 fe4 18.de4 Qh7 19.Qh7 Kh7 20.Ne6=) 16...Qh7 (16...f5!?+= 17.Ng3 Bd2 18.Nf5 Qh7 19.Qg4 Nb6+-) 17.Qg4= Rf7 (17...Bb6 18.Nb6 ab6 19.Raf1 Qf7=) 18.Raf1 (18.Qd7 Rd7 19.Nf6 Kh8=) 18...Raf8 (18...Bb6 19.Nb6 ab6=) 19.d3 (19.Ng3 Kh8=) 19...Bb6 20.Kh1 Nd4? (better is 20...Ne7!?=) 21.Nd4+/- ed4 22.Rh3 (22.Qe6 Kg7+/-) 22...f5 23.Rh7 (23.Rf5 Qg7 24.Rf7 Rf7+/-) 23...fg4+= 24.Rhf7 Rf7 25.Rf7 Kf7 26.Nb6 Nb6 27.Bd4 c5 28.Bc3 (28.Be3 Na4+=) 28...Ke6 (28...d5 29.ed5 Nd5 30.Bd2=) 29.Kg1 (29.Ba5 Nd7+=) 29...d5= 30.Kf1 (30.ed5!? Nd5 31.Be1=) 30...de4+=. Kettl,Hans Heinrich – Eimers,J, corr SOK–87–05, 1987.

10.f5 gf5

11.Qh5 Kd8

12.ef5 Nd7 A) 13.Bd5 A1) 13...Bb6 A11) 14.Qf3 Na5 15.Nbc3 c6 16.Be6-/+; A12) 14.h3 Na5 15.Nbc3 (15.g4 c6 16.Bf7-/+) 15...c6 16.Be6-/+ (16.Ba2-/+); A13) 14.Rf1 Nc5 15.g3 Na5 16.Ba2-/+ (16.Nbc3-/+); A14) 14.Ra2 Nc5 (14...Na5) 15.0-0 (15.Ng3 Bd7 16.Qe2-/+ ) 15...Qg7 (15...Nd3) 16.d4-/+; A15) 14.g4 Nd4 15.Nd4 ed4 16.Kd1-/+; A16) 14.d3 Bc5 15.Nd2 Nd4 16.Nd4-/+; A2) 13...Nc5 A21) 14.g4 Bb6 (14...Bd7) 15.Nbc3 Nd4 16.0-0-0-/+ ; A22) 14.0-0 Qg7 15.Nbc3 A221) 15...Ne7 16.Bc4-/+ (16.Ba2-/+) ; A222) 15...Bd7 16.Rf3-/+; A3) 13...Nb6 14.Bc6 bc6 15.Bc3 Bc3 16.Nbc3-/+; A4) 13...Rb8; A5) 13...Qg7 14.g4 (14.Qf3 Ne7 15.Bc3 Nd5 16.Ba5-/+ ; 14.Nbc3 Nb6 15.Be4 Ne7 16.Qf3-/+; 14.0-0 Ne7 15.Bf7 Bb6 16.d4-/+) 14...Ne7 15.Bf3 d5 16.Bc3-/+; B) 13.Ba2 Nb6 (13...Nc5; 13...Bb6; 13...Qg7) B1) 14.0-0 d5 15.Kh1 Rg8 16.Ng3-/+ (16.Nbc3-/+); B2) 14.Bb3 B21) 14...Qg7 B211) 15.g4 Bd7 (15...Re8) 16.Rg1-/+; B212) 15.0-0 d5 16.Qf3-/+; B22) 14...d5 15.Nbc3 Nd4 16.0-0-/+; B3) 14.g4 Bd7 15.Bb3 Kc8 16.h3-/+ (16.Rg1-/+ ); B4) 14.Nbc3 Bc3 (14...Nd4) 15.Bc3 d5 16.Rg1-/+ ( 16.Qf3-/+); C) 13.g4 Nb6 C1) 14.Bf7 d5 15.Nbc3 Nd4 16.Nd4-/+; C2) 14.Ba2 Bd7 15.Bb3 Kc8 16.h3-/+ (16.Rg1-/+); C3) 14.Bd3 Bd7 (14...Rg8) 15.Nbc3 Nd4 16.0-0-0-/+; C4) 14.Bb3 Bd7 15.h3 (15.Rg1 Kc8 16.h3-/+) 15...Kc8 (15...Be8) 16.Rg1-/+ (16.Nbc3-/+ ); D) 13.Qf3 Nb6 (13...Re8; 13...e4; 13...Bb6; 13...Qg7) 14.Bb3 Bd7 15.0-0 d5 16.d4-/+; E) 13.Nbc3+= Nb6 E1) 14.Ba2 Bc3 (14...Nd4) 15.Bc3 d5 16.Bb2-/+ ( 16.Qf3-/+); E2) 14.Nd5 Qe8 15.Qe8 Re8 16.Nb6-/+; E3) 14.Bd3 d5 (14...Rg8) 15.0-0 a6 16.Qh4-/+; E4) 14.Bb3 Nd4 15.Nd4 ed4 16.Ne2-/+.

12.ef5 Re8 13.Nbc3 (13.Bf7; 13.0-0) A) 13...Nd7 14.0-0 (14.Rb1; 14.Bf7; 14.g4) A1) 14...Nb6 15.Bf7 Rf8 (15...Rh8 16.Rab1+=) 16.Bb3+=; A2) 14...Qg7 15.Rf3 Bb6 16.Kh1+=; B) 13...Qg7 14.0-0 (14.g4 Nd7 15.Bf7 Re7 16.Bd5-/+) 14...Bb6 (14...Nd7 15.Rf3 Bb6 16.Kh1+=) 15.Kh1 Na5 16.Bf7+=.

12.ef5 Qg7 13.0-0 Bb6 14.Kh1 A) 14...Na5= 15.Ba2 (15.Be6) 15...Bd7 (15...Nd7 16.Rf3+=) 16.Nbc3+=; B) 14...Bd7 15.Nbc3 Nd4 16.Nd4+=.

12.ef5 Qg7 13.0-0 Bd7 14.Nbc3!?+= A) 14...Kc8 15.Rab1 Bb6 (15...Ne7 16.Kh1+=) 16.Kh1+=; B) 14...Bb6 15.Kh1 Nd4 16.Nd4+=.

12.ef5 Qg7 13.0-0 Bd7 14.d4 Bb6 (14...Nd4!? 15.Nd4 ed4 16.Bd4 Nc6-/+) 15.c3+= Be8 (15...ed4 16.cd4 Ne5 17.Be6=; 15...Ne7 16.Bc1-/+) 16.Qh4 (16.Qh3 Na5 17.Be6 Bc6=) 16...Bf7+= 17.Bf7 (17.Be6 Re8 18.Kh1 Nd7+=) 17...Qf7 18.Kh1 (18.Nd2 Nd7-/+) 18...Nd7 19.Nd2 Ne7 (19...Kc8 20.c4-/+) 20.a4 (20.c4 Kc8=) 20...Ba5 (20...Nc6 21.de5 Nce5 22.Nd4=) 21.Ra3 (21.de5 Ne5 22.Ne4 Kc8 23.Nf6 Rf8+/-) 21...c6 (21...Kc8 22.Rb3+=) 22.Nb3 (22.de5 de5 23.Nc4 Bc7+=) 22...Bc7+= 23.a5 (23.Nd2 Kc8+=) 23...Qc4 24.Qe4 (24.Ng3 d5 25.Qh6 e4-/+) 24...d5-/+ 25.Qe3 Qb5 26.de5 fe5 (26...Ne5 27.Re1 Qd3 28.Qc1-/+) 27.f6 Ng6 28.c4 (28.a6 ba6 29.f7 Bd6-/+) 28...Qc4 29.a6 (29.Nd2 Qc5 30.Qf3 e4-/+) 29...Bb6 (29...ba6 30.Nd2 Qc5 31.Qf3-/+) 30.ab7 (30.Qd2 ba6 31.Rc1 Qb5-/+) 30...Rb8-/+ (30...Be3 31.ba8Q (31.ba8R? Kc7 32.R3a7 Ba7 33.Ra7 Kd6 34.Ba3 Ke6-+) 31...Kc7 32.Ra7 Kd6 33.Rd7 Kd7 34.Qb7 Ke6 35.Qc7+-) 31.Qf3 Nh4 (31...Rf8!? 32.Bc1 Rb7-+) 32.Qh5= Qe4 (32...Rb7 A) 33.Be5? Qe4 34.Nf4 Ng2 (34...Ne5?! 35.Qh4 Kc8 36.Nd2+=) 35.Ne6 Kc8-+; B) 33.f7 Ng6 34.Nd2=) 33.Nf4 ef4 (33...Rb7 34.Qh4 Kc8 35.f7=) 34.Qh4+= f3 35.Qe4 de4 36.gf3 e3 37.Nd4 Bd4 38.Bd4 c5 (38...e2 39.Re1 Rb7 40.Re2+=) 39.Be3 Rb7 40.Rfa1 Kc7 (40...Re8!?+=) 41.Ra6 (41.Bh6 Rc8 (worse is 41...Nf6 42.Bg7 Ra8 43.Bf6+-) 42.f7 Nf8+-) 41...Rf8 (41...Kb8 42.Bh6 Nb6 43.Bf4 Ka8 44.Bd6+-) 42.Bf4+- (42.Ra7?! Rf6 43.Kg2 Ra7 44.Ra7 Kc6=) 42...Kd8 (42...Kc8 43.Rc6 (43.Ra7?! Ra7 44.Ra7 Rf6=) 43...Kd8 44.f7+-) 43.Rc6 (better is 43.Ra7 Ra7 44.Ra7+-) 43...Ke8?? (better is 43...h5+/-) 44.Re1+- Kf7 45.Re7 Kg8 (45...Kg6 46.f7 Kf5 47.Bh6+-) 46.Bh6 Rb1 47.Kg2 Rf6 48.Rg7 Kh8 49.Rd7 (49.Rd7 Rg6 50.Rg6 hg6 51.Ra7+-) 1–0. Belov,PI – Smirnov,AN, corr semi Nipsegorodskaya oblast RUS, 1994.

12.ef5 Qg7 13.0-0 Bd7 14.Kh1 Ne7 15.Be6 Bc6 16.Ng3+=.

12.ef5 Qg7 13.0-0 Nd7 14.Nbc3 Bb6 15.Kh1 Nd4 16.Nd5+=.

12.ef5 Qg7 13.0-0 Ne7 14.Nbc3 c6 (14...Bc3 15.Nc3 Nbc6 16.Nd5-/+) 15.Be6 Be6 16.fe6-/+.

12.ef5 Qg7 13.0-0 Re8 14.Nbc3 (14.Kh1; 14.Rf3) 14...Nd7 (14...Bb6 15.Kh1 Na5 16.Bf7+=) 15.Rf3 Bb6 16.Kh1+=.

12.ef5 Qg7 13.0-0 h6 14.Qf3 (14.Qg6 Rh7 15.Nbc3 Ne7 16.Qh5-/+; 14.Ng3; 14.d3) 14...Qg5 15.d3 Nd7 16.Bc1+= (16.Nbc3+=).

8.a3 Bc5

9.Nc3 Nd4 10.Nd5+- Qf8 (10...Qd6 11.Nf6 Kd8 12.Nd5 Ke8 13.fe5 Qe5 14.Bd4 Qd4 15.Nf3 (15.Nc7?! Kf8 16.Qh6 Ke7 17.Qg5 Kf8+-) 15...Qf2 16.Qf2 Bf2 17.Kf2+-) 11.Nc7 Kd8 12.Na8 Nc2 13.Ke2 Na1 14.Ba1 Bg1? (14...d6+-) 15.Be5 (worse is 15.Rg1 Nc6 16.fe5 g5+-) 15...Nc6 (15...g5 16.Bc7 Ke7 17.fg5+-) 16.Bf6 (16.Qf6 Qf6 17.Bf6 Ne7 18.Bh8 Bc5+-) 16...Ke8 (16...Ne7 17.Rg1 h6+-) 17.Nc7 1–0. b4_player – opponent, gamecolony.com, 2007.

9.Nc3 Qd8 10.Nd5+/- Be7 11.f5 (11.Ne7?! Qe7 12.Ne2 d6=) 11...g5?? (11...d6 12.fg6 Be6 13.Nc7 Qc7 14.Be6 Bf8 15.Qf6 Bg7 16.Bf7 Kf8+-) 12.Qh5 Kf8 13.Nf6! d5 (13...Bf6 14.Qf7 A beautiful mate combination) 14.Qh6 (14.Qh6 Kf7 15.Bd5 Qd5 16.Nd5+-; 14.Bd5 Qd5 15.Qh6 Kf7 16.Nd5 Bd6+-) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.Nc3 ef4 10.Nge2 Qe5 11.Nf4 f5 12.0-0-0 g5 13.Qh5 Kd8+-.

9.Nc3 g5 10.fg5 fg5 11.Qh5 Kd8 12.Qh6 Qe8 13.Nf3+=.

9.Nc3 g5 10.fg5 fg5 11.Qh6 Qf8 12.Qg5 Qf2 13.Kd1 Be7+=.

9.Nc3 Qg7 10.Nd5 (10.Nf3 d6 11.Rb1 Na5 12.Ba2 Nbc6 13.Na4 Bd4=) 10...g5 11.fg5 fg5 12.Qh5 Kd8 13.Nf3 Rf8+=.

8.Ne2 Na5

9.Bb3 Nb3 10.ab3 d6 11.Nbc3 c6 12.0-0+=.

9.Bd3 d6 10.Nbc3+= Bc3 11.Nc3 Be6 12.Nd5 Bd5 13.ed5 ef4=.

9.Bd3 d6 10.Nbc3 Bc3 11.Nc3 Be6 12.f5+=.

9.Bd3 d6 10.Nbc3 c6 11.a3=+.

9.Bd3 Qe6 10.a3 (10.Nbc3 c6 11.f5 Qf7 12.fg6 Qg6 13.Rf1 Be7=) 10...Bc5 11.fe5 fe5 12.Nf4 Qd6 13.Nd5 0-0=.

9.Bd3 g5 10.fg5 fg5 11.Qh5 Kd8 12.Nbc3 Bc5 (12...Nbc6 13.Nd5 Qg7 14.h4=) 13.0-0-0 (13.h4!?=) 13...d6-/+ 14.Nd5 (14.Ng3 Be6-/+) 14...Qg7 15.h4 c6 16.Ndc3 gh4 (16...g4 17.Rhf1-/+) 17.Qh4 Kc7 18.Na4 Nd7 19.Kb1 b5 (19...b6 20.Nf4 Kb8 21.g4+=) 20.Nf4+= Qg8 21.Nc5 Nc5 22.Nh5 (22.Bc3 A) worse is 22...ef4 23.Ba5 Kb7 A1) 24.Qf4?! Qg6= (24...Qg2?? 25.Rdg1 Qg1 26.Rg1 Nd3 27.Qd6+-); A2) 24.Bc3+/-; B) 22...Nab7-/+) 22...Be6 (22...Bd7!?-/+) 23.Qe7+= Kb6 (23...Nd7 24.Nf6 Qf7 25.Qf7 Bf7 26.Nh7 Rag8-+) 24.Qd6= Ba2 25.Ka1 Bc4 26.Be5 Bd3 (26...Qd8 27.Nf4 Bd3 28.Nd5 Kb7 29.Qc5 Be4 30.Nc7=) 27.cd3 (27.Qc7!? Ka6 28.cd3=) 27...Qd8+= 28.Nf4 Qd6 29.Bd6 Nab3 30.Ka2 a5 31.Be5 Rhd8 (better is 31...Rhe8!? 32.Bg7 a4+=) 32.Rh7+= Ra7 33.Rh3 (33.Ra7 Ka7 34.Bf6 Rd7+=) 33...Rad7 (33...b4 34.Ne6 Re8 35.Nc5 Nc5 36.Bd4+-) 34.Bc3 (34.Bf6 Rf8 35.e5 a4=) 34...a4 35.Bf6 Rf8 36.Bg5 (36.Be5 b4=) 36...b4+= 37.Re3 Nd4 38.Rh3 b3 39.Kb2 a3 (39...a3 40.Kb1 Rg7=). Machete (2305) – KnightMere (2330), ICC, 2003.

9.Bd5 c6 10.a3 (10.Bb3 d6 11.0-0 Bc5 12.Kh1 Nd7 13.Nbc3 b5+=) 10...Bc5 11.Ba2 d6 12.Bc3 Bb6 13.d3 Nd7+=.

8.Ne2 d6

9.Nbc3 Bc3!? 10.Bc3 f5 11.Qe7 Ke7+= 12.ef5 Bf5 13.Rb1 b6+=.

9.Nbc3 Bc3 10.Nc3 Nb4 11.0-0+- Be6? (better is 11...f5!? 12.Qg3 Be6 13.Be6 Qe6 14.ef5 gf5+/-) 12.Be6 Qe6 13.f5 (13.fe5 fe5 14.a3 N4a6+-) 13...Qg8 (better is 13...g5!? 14.fe6 gh4 15.Rf6 N8a6+-) 14.a3+- (worse is 14.Qf6 Nd7 15.Qh4 g5+/-) 14...Nc2 (14...N4a6 15.Qf6 Nd7 16.Qh4+-) 15.Nd5 Nd7? (15...g5 16.Qh6 Qf8 17.Qf8 Rf8+-) 16.Rac1 Nd4 (16...c6 17.Nc7 (17.Rc2?! cd5 18.Rfc1 Rd8=) 17...Kd8 18.Na8+-) 17.Bd4 (better is 17.Rc7 Ne2 18.Kh1 Qg7+-) 17...ed4 (17...c6 18.Nc7 Kd8 19.Ne6 Kc8+-) 18.Nc7 (18.Nc7 Ke7 19.Qg3+-) 1–0. Kern – Niekisch,B, Hessen, 1987.

9.Nbc3 Bc3 10.Nc3 Be6 (10...ef4 11.Qf4 Nd4 12.Nd5+-) 11.Be6 Qe6 12.Nd5 Qf7 (12...0-0 13.Nc7 g5 14.fg5 fg5 15.Qg5 Qg6 16.Qg6 hg6 17.Na8 Na6+-) 13.Nf6+/- Kf8 (13...Kd8!?+/-) 14.0-0+- (14.0-0 Kg7 15.fe5+-) 1–0. Kern,Guido – Michalski,U, Hessen clubgame, 1988.

9.Nbc3 Bc3 10.Nc3 ef4 11.Qf4 Nd4 12.Nd5+-.

9.Nbc3 Bc3 10.Nc3 f5!? 11.Qh3 Na5+/-.

9.Nbc3 Bc3!? 10.Nc3 f5 11.Qh6 Na5 12.Nd5 Qf7 13.Bb5 c6+-.

9.Nbc3 Nd7 10.Nd5 Qd8 11.f5 Na5 12.Bd3 Kf7 13.Nb4 c5+/-.

9.Nbc3 Qd8 10.Nd5 Nd7 11.f5 Na5 12.Bd3 Kf7 13.Nb4 c5+/-.

9.Nbc3 Be6 10.Be6+= Qe6 11.Nd5 Na6 (11...Kd8!? 12.Nf6 Qe7+= 13.a3 Nd7+=) 12.Nf6+/- Kf7 (12...Kd8 13.Nh7 Qe7+/-) 13.0-0 (13.0-0 Bd2 14.fe5 (14.Nh7?! Kg7 15.Ng5 Qc4+=) 14...de5 15.Rad1 (15.Nh7?! Kg7 16.Rf6 Qe7=) 15...Be3 16.Kh1+-; 13.Nh7 Kg7 14.Ng5 Qc4+/-) 1–0. pierred (2645) – wvmaniac (2465), net–chess.com, 2008.

8.Nf3 Na5

9.Bb5 c6 10.fe5 fe5 11.Qe7 Be7 12.Be5+=.

9.Bd3 d6 10.0-0 (10.Nc3 Bc3 11.Bc3 Nbc6 12.Rb1 a6 13.a3+=) 10...Nd7 (10...Bc5 11.Kh1 Be6 12.Nc3 c6 13.Na4+=) 11.Nc3 c6 12.Ne2 (12.a3 Bc5 13.Kh1-/+) 12...0-0 (12...Nb6 13.Bc3-/+) 13.Kh1 (13.Bc3+=) 13...Nb6 14.c3 (14.a3!? Bc5 15.Bc3+=) 14...Bc5-/+ 15.Bc2 Nac4 16.Bc1 d5 17.ed5 e4 18.Nfd4 Nd5 19.Nb3 (19.f5!?-/+) 19...Bd6 20.Ng3 f5 21.Qe7 Be7 22.Nd4 Rd8 23.Bb3 Na5 24.Bd1 b6 25.Be2 (25.Nge2 c5 26.Nb3 Nc6-+) 25...Bd6 26.c4 (26.Nb3 Nb3 27.ab3 Bf4 28.c4-+) 26...Nf4 27.Nb3 Ne2 28.Ne2 Nc4 29.Rd1 Be5 30.Rb1 c5 31.Nc3 (31.Kg1-+) 31...Bc3 0–1. nextdoor (1715) – marekt (2085), gameknot.com, 2014.

9.Be2 Nbc6 10.0-0?? (better is 10.a3 Bc5 11.Nc3+=) 10...Qc5-+ 11.Kh1 Qc2 12.Nc3 (12.Bc3 Qe4 13.Bb4 Qb4 (13...Qe2? 14.Re1 Qe1 15.Ne1+-; 13...Nb4?! 14.Qf6 Rf8 15.Qg7-/+) 14.Qf6 Rf8-+) 12...Qb2 13.fe5?? (13.Rab1 Bc3 14.Rb2 Bb2 15.fe5-+) 13...Bc3 14.dc3 Qe2 15.Rae1 (15.ef6 Qc4-+) 15...Qa2 16.ef6 b6 17.Ng5 h6 18.f7 Kf8 19.Nh3 Ba6 20.Rf2 Qe6 21.Nf4 Qd6 22.e5 (22.Nd5 Bc4 23.Rf6 Qe5 24.Rg6 Ne7 (24...Kf7?! 25.Rf6 Ke8 26.Rf5 Bd5 27.Re5 Ne5 28.ed5-+) 25.Ne7 Qe7-+) 22...Ne5 23.h3 (23.Qg3 Nac6 24.Qe3 Bc4-+) 23...Nac6 0–1. jlbaf (2455) – pierred (2800), net–chess.com, 2016.

9.Be2 d6 10.c3 Bc5 11.d4 ed4 12.cd4=.

9.Be2 d6 10.Nc3 Be6 11.f5 g5 12.Qh6 Bg8 13.a3=.

8.f5 gf5

9.a3 Bc5 10.Nc3 Qg7 11.Nd5 d6 12.Nf6+=.

9.a3 Bc5 10.Nc3 Qg7 11.Nd5 Kd8 12.ef5 d6 13.Nf6 Bf5-/+.

9.a3 Bd6 10.ef5 Qg7 11.Ne2 Bc5 12.Ng3 Kd8 13.Ne4 d6+=.

9.Nc3 Bc3 10.Bc3 fe4 11.Qe4 (11.Ne2-/+ d6 12.Ng3-+) 11...d6 12.Nf3-+.

9.Qh5 Kd8 10.ef5 d6 (10...Na5 11.Bd3-/+) 11.g4 (11.Nc3 Nd7 12.Nge2 Nb6=+) 11...Bd7 (11...Nd7 12.Nc3 Nb6 13.Nd5-/+) 12.Nc3=+ Be8 13.Qh3 Bc3 14.Bc3 Nd4 (14...Bf7 15.Bb3-/+) 15.0-0-0? (15.Bd4 ed4 16.Kf2 Nd7=+) 15...Nbc6 (15...Bc6!? 16.Bd4 Bh1-+ (16...ed4?! 17.Nf3+=)) 16.Ne2 Bf7 17.Nd4 Bc4 18.Nc6 bc6 19.d4 Kc8 20.de5 (20.g5 Rb8-/+) 20...fe5 (20...de5 21.Bb2 Qg7 22.Rhg1 Qg5 23.Kb1=+) 21.Rhe1 (21.Rhg1 Kb7=+) 21...Kb7 (21...Rb8 22.a4-/+) 22.Kb2 (22.Re4!? Qf7 23.g5=+) 22...Rab8-/+ 23.Ka1 Ka8 24.Qf3 Rb6 25.Rd4? (25.Ba5 Ra6 26.Qc3 Qf7-/+) 25...Bf7?? (better 25...Qf7 26.Rdd1 Ra6-+) 26.Ra4 (26.Ba5 Ra6 27.Ra4 Rb8=) 26...Rhb8 (26...Bd5 27.f6 Qf7-/+ (27...Bf3?! 28.fe7 Re8 29.Rf1-/+)) 27.Bd4?? (better 27.f6 Qe8 28.g5=+) 27...ed4-+ 28.Qc6?? (28.Ra7 Ka7 29.Qa3 (29.Re7?? Rb1) 29...Ra6 30.Qa6 (30.Re7 Ra3 31.Rc7 Ka8 32.c4 Bc4 33.Ra7 Ka7 34.f6 Ra2) 30...Ka6 31.Re7-+) 28...Rc6 29.Re7 Rc2 (29...d3 30.Rc7 Rc7 31.c4 d2 32.Rb4 Rb4 33.a3 d1Q 34.Ka2 Bc4) 30.Re1-+ d3 31.Rd1 d2 32.Rc4 (32.Ra7 Ka7 33.Rd2 Rc1) 32…Bc4 (32...Bc4 33.Rd2 Rc1) 0-1. carlos78 (2170) - pacalmisu (2125), Rated Blitz game, lichess.org, 2015.

8.f5 Qg7

9.Nc3 Bc3 10.Bc3 gf5= 11.Ne2 fe4 12.0-0-/+.

9.Ne2 Na5 10.Bd3 d6 11.Nbc3 c6 12.a3-/+.

9.Nf3 Be7 10.Bc3 (10.0-0 Nb4 11.Na3 gf5 12.Kh1 N8a6 13.Bb3 d6-/+) 10...gf5 11.Qh5 Qg6 12.Qf5 Qf5 13.ef5 Bc5-/+.

9.Nf3 gf5 10.ef5 Ne7 11.Bf1 Nbc6 12.Qh5-/+.

9.Qg4 Na5 10.Be2 (10.Bd3 d6 11.Nc3 Bc5 12.Na4 Rg8 13.Nc5 dc5-/+) 10...Bc5 11.Nc3 d6 12.Na4 Bg1 13.Rg1 Nbc6-/+.

9.Qg4 a6 10.a3 (10.Nf3 Na5 11.Be2 Nbc6 12.a3+=) 10...Bc5 11.Nf3 Nd4 (11...Ne7 12.Nc3-/+) 12.Nd4 (12.Bd4 ed4 13.d3 Nc6+=) 12...Bd4 (12...ed4 13.d3+=) 13.c3 (13.Bd4 ed4 14.a4 Nc6+=) 13...Bc5 (better is 13...Bb6!?-/+) 14.d4= Bd6 (14...Bb6 15.Nd2=) 15.0-0 ed4 (better is 15...Nc6!?=) 16.cd4+/- Nc6 (16...Rf8 17.Nc3 Qh6 18.g3+/-) 17.Nd2 (better is 17.e5 Be7 18.Nc3+-) 17...Ne7?? (better is 17...Rf8+/-) 18.e5!+- fe5 19.f6 Qf8 (19...Qh6 20.Ne4 Nf5 21.de5 Bf8+-) 20.fe7 Qe7 (20...Qh6 21.Bf7 Ke7 22.Ne4+-) 21.Rf7 Qd8 (21...Qf7 22.Bf7 Kf7 23.de5 Bc5 24.Kh1 Ke8+-) 22.Rh7!! Qf6 (22...Rh7 23.Qg6) 23.Rf1 Qf1 24.Kf1 (24.Nf1 c5 25.Rh8 Bf8 26.Qg6 Ke7 27.Rf8 d5 28.Rf7 Kd8 29.Qg8) 24...Rf8+- 25.Kg1 b5 26.Qg6 Kd8 27.Bd5 (27.Qg5 Ke8 28.Be2 Rf7 29.Bh5 Bb7 30.Rf7 Bd5 31.Qg8 Bf8 32.Qf8) 27...Rb8 28.Ne4 (28.Qg5 Ke8 29.Ne4 Ba3 30.Ba3 Rf1 31.Kf1 ed4 32.Qe7) 28...Rb6 (28...Rf1 29.Kf1 c6 30.Qd6 cd5 31.Rh8) 29.Qg5 Ke8 (29...Rf6 30.Qf6 Ke8 31.Rh8 Bf8 32.Rf8) 30.Nd6 (30.Nd6 Rd6 31.Qe7) 1–0. Fritz,Harry – Mohrmann, Kreismeisterschaft des Kreises Guestrow, 1961.

9.Qg4 Ne7 10.Ne2 (10.a3 Bc5 11.Nc3 c6 12.Rc1 Qh6 13.Qh3 Qh3-+) 10...Nbc6 (10...h5 11.Qh4 gf5 12.Ng3 d5 13.ed5 Qg4-/+) 11.Ng3 (11.a3 Ba5 12.Ng3 d6 13.c3 Bb6-/+) 11...d6 12.Qf3 (12.c3 Bc5-/+ 13.Ba3 Bb6-/+) 12...Bd7 (12...Bc5 13.d3 Qh6-/+) 13.0-0 (13.c3 Bc5-/+) 13...Bc5 (13...0-0-0-/+) 14.Kh1 0-0-0 15.c3 (15.Be6 Qh6-/+) 15...Na5 (15...gf5 16.ef5 h5 17.Be6-/+) 16.Bb3 (16.Be6 Be6 17.fe6 Nc4-/+) 16...gf5 17.Nf5? (better is 17.ef5!? Nb3 18.ab3-/+) 17...Nf5-+ 18.ef5? (18.d4 Nd4 19.cd4 ed4 20.Qf2-+) 18...Nb3 19.ab3 Bc6 20.Qg3 Qg3 (20...Rhg8 21.d4 Qf7 22.dc5 Rg3 23.hg3 dc5 24.Ra7 Qh5 25.Kg1 b6-+) 21.hg3 Rhg8 22.d4 (22.Kh2-+) 22...Rg3 23.Rf2 Bb6 (23...Rdg8!? 24.dc5 Rg2 25.Rg2 Rg2 26.cd6 Rb2 27.Kg1 cd6 28.b4-+) 24.Nd2 Rdg8 (24...Rdg8 25.Nf3 Bd5-+) 0–1. Woschkat,Karl_Heinz – Grund,Karl Heinz, corr FRG–chT, 1985.

7.f4 Be7

8.f5 Na5 9.fg6+/- Nc4 10.g7 Kf7 11.gh8Q Qh8 12.Qh5 Kf8 13.Nf3?? (better is 13.Bc1 A) 13...Nb6 14.d3 (14.d4 Bd6 15.Nf3 Nc6 16.c3 Qg8 17.d5 Na5+-; 14.Nf3 Qg7 15.d4 Qg6 16.Qg6 hg6 17.de5 d6+/-) 14...Bc5 15.Nf3 Ke7 16.Ne5 Bb4 17.c3 fe5+-; B) 13...Bc5 B1) 14.Qe2 Qg8 (14...Nd6 15.Nf3 Nc6 16.Rf1 Ke8 17.Ba3 Ba3+/-; 14...Nb6 15.Nf3 d6 16.Ba3 Na6 17.c3 f5+/-; 14...b5 15.a4 c6 16.Nf3 Nd6 17.c3 Ke8+- 1.41) 15.d3 Nb6 16.Ba3 Ba3 17.Na3 d5+/-; B2) 14.Ne2 Ke7 (14...Na6 15.d3 Nb6 16.Ba3 d6 17.Bc5 Nc5+/-; 14...d5 15.ed5 Qg7 16.d4 Bg4 17.Qh4 Bb4+-; 14...Nc6 15.d3 Nb6 16.Ba3 Ba3 17.Na3 d5+/-) 15.d3 Nb6 16.Ba3 Ba3 17.Na3 Qg7+/-; B3) 14.d3+/- Nb6 15.Nf3 d6 16.Ng5 Qg8 17.Nh7 Ke7+-) 13...Nb2-/+ 14.0-0 Qg7 15.Ne5 d6 (15...Bc5 16.Kh1 d6 17.Nf3-/+) 16.Nf3 Bd7 (16...c6 17.Nd4-/+) 17.d4 (better is 17.Nc3!? Na4 18.Na4 Ba4 19.Ng5=) 17...Nc4-/+ 18.h3 (18.Nc3) 18...Nc6 19.e5 (19.Rf2) 19...Ne3 20.Rf2 f5 (20...de5 21.Ne5 Ne5 22.de5) 0–1. Frydendal,Odd – Wiik,Jon, corr Norway, 1970.

8.f5 Nb4!? 9.Bb3 d5=.

8.f5+= Nd4 9.Bd4+/- ed4? (better is 9...d5 10.Bd5 c6 11.fg6 cd5+/-) 10.fg6+- f5 (10...Bf8 11.g7! Bg7 12.Qh5 Ke7 13.Qf7 Kd6 14.Qg7 Kc5+-) 11.Bf7 (11.Bf7 Kf8 12.Qh6) 1–0. guest6484 – guest7438, ICC, 2005.

8.f5 d5 9.ed5 Bf5 10.dc6 Nc6 11.Ne2 Bc2 12.Nbc3 Bd3 13.0-0?? (13.Nd5 f5 14.Ne7 Bc4 15.Qc4 Qe7+=) 13...Qd6 (better 13...f5 14.Bf7 Kf7-+) 14.Bd3 Qd3 15.Rad1 0-0-0 16.Qh3 (worse 16.Rf6 Kb8 17.Qf2 Bf6 18.Qf6 Rhf8-/+) 16...Qh3 17.gh3 Rd3 18.Nc1 Rh3 19.Ne4 (better 19.Nd5=) 19...Rf8-/+ 20.Kg2 Rh4 21.d3 f5 22.Ng3. carlos78 (2350) - mehdi58 (2110), Rated Blitz game, lichess.org, 2015.

8.f5 d5 9.Bd5 Nb4 10.Bb3 gf5 11.Nf3 (11.Qh5!? Kd7 12.Qf5 Ke8 (12...Kc6 13.Qf3 Bc5 14.a3 N4a6 15.Nc3 Nd7+/-; 12...Kd6 13.Qf2+= Nd7 14.Ba3 Kc6 15.Nf3 Nb6+/-) 13.Qh5 Kd7 14.Ne2 c5 15.a3 N4c6+/-; 11.a3 N4a6 (11...N4c6 12.Qh5 Kd7 13.Qf5 Kd6 14.Qh5 Qe8 15.Qf3 Nd4+/-) 12.Qh5 Kd7 13.Qf5 Kc6 14.Qf3 Nc5 15.Bd5 Kd6+=) 11...Qd6 (11...h5 A) 12.Qg3 Qd7 A1) 13.Qg6 Kd8 14.0-0+= (14.d4 fe4 15.Qe4 Qg4-/+) 14...fe4 15.Qe4 Re8+=; A2) 13.Qg7 Rf8 14.Nh4 fe4 15.Ng6 Bc5+=; B) 12.a3 N4c6 13.0-0 Na5 14.Ba2 Qd6 15.Kh1 Qb6+=; C) 12.0-0 N8c6 (12...N4c6 13.Qg3 Qd7 14.Qg6 Kd8 15.ef5 Na6=) 13.a3 Na6 14.Qg3 Qd7 15.Qg6 Kd8=; 11...Qd7 12.d4 Qc6 13.Nc3 fe4 14.Ba4 ef3 15.Bc6 N8c6=; 11...fe4 12.Qh5 Kd7 13.Qf5 Ke8 14.Qh5 Kd7 15.Qf5 Ke8=) 12.a3 (12.Qh5 Kd8 13.ef5 N8c6 14.Na3 Na5 15.0-0 Qc6=) 12...N4a6 (12...fe4 13.Qe4 N4c6 14.0-0 Be6 15.d4 Nd7+=) 13.Nc3 (13.Qh5 Kd8 14.ef5 Nc5 15.d4 Nb3=) 13...Be6 (13...h5!?= 14.Rd1 Nc6 15.Qg3 Nd4=; 13...Nc5 14.d4 ed4 15.Nd4 Nd3=) 14.Qh5 Kd7 (14...Kd8 15.Be6 (worse is 15.ef5 Bb3 16.cb3 Nc5-/+) 15...Qe6 16.ef5+=) 15.Be6 (worse is 15.ef5 Bb3 16.cb3 Nc5+=; 15.d4 fe4+=) 15...Qe6 16.ef5 Qg8 17.d4 ed4 18.Nd4 Nc5 (18...Qg2 19.0-0-0 Kc8 20.Rhg1+-) 19.0-0-0 Kc8 20.Rhe1 Bd8 (20...Qg7 21.Nd5 Bd8 22.Ne6 Ne6 23.fe6+- (23.Re6?! b5+-)) 21.Ne6 Ne6 22.fe6 Nc6 23.Nd5 Qg7? (23...Qe8 24.Qe8 Re8 25.Nf6 Bf6 26.Bf6 a5+-) 24.e7! Be7 (24...Ne7 25.Bf6; 24...Be7 25.Qf5) 25.Qf5 Kb8 26.Ne7 Rf8 27.Nc6 (27.Qd7 Qh6 28.Kb1 a5 29.Nc6 bc6 30.Qc6 Qh5+-) 27...bc6 28.Rd3 (28.Qd7 Qd7 29.Rd7 Kb7+-) 28...Qg5 29.Qg5 fg5 30.Re7 1–0. Badenes,Anselmo Raul – Canova,Guillermo Jorge, corr LADAC Argentina, 1982.

8.f5 g5?? 9.Qh5 (9.Qh5 Kf8 10.Qf7) 1–0. MT – guest2248, ICC, 2004.

8.f5 h5 9.fg6+= Bf8 (9...Bc5 10.g7 Ke7 11.gh8R Qh8 12.Nc3+-) 10.Bf7+/- Ke7 11.Nf3 d6 12.0-0 Bg7 13.Nc3 Be6 (13...Bg4 14.Nd5 Kd7 15.h3+-) 14.Ng5! Nd4 (14...fg5 15.Qg5) 15.Ne6+- Ne6 16.Nd5 (16.Nd5 Kd7 17.Be6 Kc6 18.Rab1+-) 1–0. Pogorzelski,Wlodzimierz – Karlsson,Bengt, corr SSKK 2–751, 1990.

7.f4 ef4

8.Qf6 Rf8!? 9.Qd8 Kd8= 10.Nf3 d6 11.Ng5 h6 12.Bg7+=.

8.Qf6 Rf8 9.Qd8 Nd8 10.Bg7+/- Nbc6 11.Bf8 Kf8 12.Nf3 h6 13.g3 Bd6 14.gf4 Bf4 15.Nc3 Nf7 (15...Ne5 16.Ne5 Be5 17.0-0 Kg7 18.Rf3+=) 16.0-0 d6? (better is 16...g5+/-) 17.Nh4+- g5 18.Ng6 Kg7 19.Nf4 gf4 20.Bf7 Kf7 21.Rf4 Kg6 (21...Ke6 22.Nd5 Bd7 23.c3 Rg8 24.Kf2+-) 22.Nd5 Be6 (22...h5+-) 23.Rf6 Kg5 24.Re6 Ne5 (24...Nd4 25.Nc7 Ne6 26.Na8+-) 25.Rf1 Rg8 26.Kh1 Kh5 (26...h5 27.Re5! de5 28.Rg1 Kh6 29.Rg8+-) 27.Nf6 (27.Nf6 Kg6 28.Ng8 Kg7 29.Nh6 Kh7 30.Rff6 Ng6 31.Nf5 a5 32.Rf7 Kg8 33.Nh6 Kh8 34.Re8 Nf8 35.Ref8) 1–0. pierre – becaez, internet, 2010.

8.Bf6 Be7 9.Be7 Qe7 10.Qf4 d5 11.Bd3 Rf8 12.Qe3-/+.

8.Bf6 Be7 9.Be7 Qe7 10.Qf4 d6 11.Ne2 Ne5 12.Bb3 Rf8 13.Qg3 Ng4 14.Rf1?? (better is 14.Nbc3=) 14...Rf1-+.

8.Bf6 Be7 9.Be7 Qe7 10.Qf4 d6 11.Nf3 Rf8 12.Qe3 Be6 13.Be6 Qe6 14.Nc3 Nd7 15.0-0 0-0-0 16.d4 Qg4? 17.d5+-.

8.Bf6 Be7 9.Be7 Ne7 10.Qf4 Rf8 11.Qh4=.

8.Qf6 Qf6

9.Bf6 Rf8

10.Bg7 Na5 11.Bf8+= Bf8 (11...Kf8 12.Bb3 Nb3 13.ab3 Nc6 14.Ne2 g5 15.h4+/-) 12.Bd3 (12.Bg8 h6+= 13.Ne2 Bg7 14.c3 g5 15.h4+/-) 12...Bg7 13.Nc3 (13.c3 Nbc6+= 14.Nh3 Ne5 15.Bc2+=) 13...Bc3 (13...g5!?+= 14.h4 g4 15.Nge2+/-) 14.dc3+/- d6 (14...Nbc6 15.Nh3+/-) 15.Ne2 g5 (15...Be6 16.Nf4 Kd7 17.Nd5+/-) 16.h4 h6 (better is 16...g4!?+/-) 17.hg5+- hg5 18.Rh8 Kd7 19.e5! Nbc6 (19...de5 20.Bf5) 20.Bf5 Ke7 21.ed6 (21.Bc8?! Ne5 22.Rh7 Nf7+-; 21.Rc8?! Rc8 22.Bc8 Ne5+-) 21...cd6 22.Bc8 Kf6 (22...Ne5 23.Rh7 Nf7 24.Bf5+-) 23.0-0-0 Kg7 (23...Ne7 24.Rd6 Kg7 25.Rh5 Nc8 26.Rg5 Kf7 27.Rd7 (27.Ra5?! Nd6 28.Nf4 b6+-) 27...Ke6 28.Rdg7+- (28.Ra5?! Kd7 29.Nf4 Nd6+/-)) 24.Rdh1 1–0. marekt – stephenkills, internet, 2009.

10.Bg7 f3 A) 11.Bf8?? fg2 12.Bb4 Nb4-+ (12...gh1B?! 13.Bc5-+; 12...gh1N 13.Bc3+/-); B) 11.gf3 Rf4 12.Nc3 (12.c3 Ba5 13.d3 d6 14.Bh6 Rh4 15.Bg5=) 12...Bc3 13.Bc3+= d6 14.d4 Nd7 15.Bb5+=; C) 11.Nf3 Rf4 12.Bd3 (12.Bd5 Ne7 13.a3 Nd5 14.ed5 Be7 15.Nc3+=) 12...Bc5 13.Nc3 Rf7 14.Nd5 d6 15.Bc3+=.

10.Bg7 d6

11.c3+= Ba5 12.Bf8+/-.

11.c3+= Bc5+= 12.d4+=.

11.c3+= Ne5? 12.cb4?! Nc4 13.Bf8 Kf8+/-.

11.c3+= Ne5? 12.Be5+- de5 13.cb4 Nc6 (13...Bg4 14.Nc3+-) 14.Bb5 Bd7 15.Bc6 Bc6 16.Nc3 0-0-0 17.b5 Bd7 18.Nf3 Rfe8 19.Ng5 Bg4 (19...Re7 20.Nd5 Rg7 21.Rc1+-) 20.Nh7 Rd4 1–0. marekt – blackcrowman, ChessWorld.net, 2008.

11.c3 Ne5? 12.Be5+- de5 13.cb4 Nc6 14.Bb5 Bd7 15.Bc6 Bc6 16.Nc3 0-0-0 17.b5 Bd7 18.Nf3 Bg4? (18...Be6+-) 19.Ne5 Be6 20.Ne2 Rde8 21.d4 a6 22.a4 Bb3 23.Nc3 Rd8 24.Rb1 Bc2 (24...Bg8 25.ba6 ba6 26.Rf1+-) 25.ba6 ba6 26.Rb2 Be4 27.Ne4 Rd4 28.Nc3 Re8 29.Re2 Rb4 (29...c5 30.Rf1+-) 30.Nd3 Re2 31.Ke2 Rc4 32.Kd2 Rd4 33.Re1 Kb7 (33...g5 34.Re6+-) 34.Ne2 Ra4 (34...Rd6 35.Nef4 h6+-) 35.Nc5 (35.Nc5 Kc6 36.Na4+-) 1–0. Fritz 8 – NN, Blitz:1', 2004.

7.f4 f5

8.Qd8 Kd8 9.ef5 Re8 10.a3 ef4 11.Ne2 Bc5 12.f6 Bd4 13.f7 Bb2 14.fe8Q (14.fe8R Ke8 15.Ra2 Be5=) 14...Ke8 15.Ra2 Be5 16.0-0 g5 17.c3 Ne7 18.d4 Bg7 19.Bd3 h6 20.g3 d5 (20...fg3 21.Ng3 (21.hg3?! d5=) 21...d5 22.Nh5+/-) 21.gf4 Bh3 (21...b6 22.Ng3 c5 23.fg5 cd4 24.Nh5+-) 22.Rf3 g4 The passed pawn on f4 will quickly become a dangerous weapon 23.Re3 Kf7 (23...Nd7 24.Ng3 Kf7 25.Rae2+/-) 24.Rb2 (24.Kf2 c5+/-) 24...b6 25.Ng3 Nd7 26.Nh5 White fights for the Initiative (26.Rbe2 Bf6+/-) 26...Bf6 (26...Bf8 27.f5+/-) 27.Rbe2 Bh4 28.Re6 Rh8 29.Bb5 Nb8 30.f5 g3 31.hg3 Bf5 32.R6e5 Rg8 33.Rf2 Rg5 34.Kg2 Rh5 35.gh4 Rh4 36.Rff5 Nf5 37.Rf5 Ke6 38.Rf8 Nd7 39.Bd7 Kd7 40.Nd2 Rg4 41.Kf2 Rg6 42.Rf7 Kd8 43.Ke2 Rg2 44.Ke3 Rh2 45.Nf3 Ra2 46.Rf5 Ra3 47.Rd5 Kc8 48.Kd3 Ra5 49.Ra5 ba5 50.Kc4 Kb7 51.Kb5 a4 52.Ka4 Kb6 53.c4 c6 54.Kb4 White prepares c5 54...h5 55.c5 Kc7 56.Kc4 (56.Nh4 Kb7+-) 56...a6 57.d5 cd5 58.Kd5 a5 59.Kc4 Kc6 (59...a4 60.Kb4+-) 60.Nd4 Kc7 61.Kb5 h4 62.Ka5 (62.Ka5 h3 63.Nf3+-) 1–0. St_Jean,Benoit – Frignani,Giorgio, IECG, 2000.

8.Qd8 Kd8 9.ef5 Re8 10.fg6 hg6=.

8.Qd8 Kd8 9.ef5 gf5 10.fe5 Ne5 11.Ne2 Nbc6 12.Bd5 Re8-/+ 13.a3 Bd6 14.Rf1 Ng4 15.Bf7 Rf8 16.Bd5 Nh2 17.Rh1 Re8 18.Kd1 h6 19.Bf6 Ne7 20.Bf3 Rf8 21.Bg7 Rg8 22.Bh6 Nf3 23.gf3 Rh8 24.f4 b5 25.Nbc3 Bb7 26.Rh4 Bf3 27.Nb5 Bf4! 28.Bg5 Rh4 29.Bh4 a6 30.Nbc3 Be5 31.Rb1 (31.Rb1 Bc3 32.dc3-+; 31.Ke1 c5-+). Registration (2380) – seemychess (2700), ICC, 2003.

8.Qd8 Kd8 9.ef5 gf5 10.fe5 Ne5 11.Be5 Re8 12.c3 Re5 13.Ne2 Bf8 14.d4= Re8 15.Nd2 Bh6 16.Nf3 Be3 17.Rb1 b6 18.Bf7 Re7-/+ 19.Bc4 Bb7 20.d5 Re4 21.Bb3 Ba6 22.Ng3 Rf4 23.Bc2 Bc5 24.Rd1= Bc4 25.Bf5 h6-/+ 26.Bb1 d6 27.Rd2 Nd7=+ 28.Ne2 Rf6 29.Be4 Be3 30.Rb2 Nc5-+ 31.Bc2 Bd5 32.Rf1 Bc4 33.Kd1 Nd3 34.Bd3-/+ Bd3 35.Re1 Bf2 36.Rf1 Bc5 37.Re1 Be4 38.Ned4 d5 39.Rb3 Bd6-+ 40.Re2 c5 41.Nb5 Bf4 42.Ke1? Bd3 43.Rf2 Be3 44.Rfb2 Bc1 45.Rf2 a6 46.Nbd4 cd4 47.Nd4 Rf2 48.Kf2 b5 49.Ne2 Bg5 50.Nd4 Kd7 51.Nf3 Rf8 52.Ra3 Rf6 53.Rb3 Be4 54.Ke2 Bf4 55.h4 Bd6 56.Rb2 Rf8 57.Rb3 Rc8 58.h5 Bf5 59.Nd4 Bg4 60.Kd3 Bh5 61.a3 Bg6 62.Ke2 Re8 63.Kf3 Be4 64.Kg4 Bg2 65.Kh5 Rh8 66.Nf5 Bc5 67.Nd4 Be4 68.Rb2 Rg8 69.Kh6 Rg3 70.a4 Rc3 71.Nb5 ab5 72.Rb5 d4 73.Rb2 d3 74.Ra2 Be3 (74...Be3 75.Kg7 Ke6 76.Rh2 Rc7 77.Kf8 Bc5 78.Kg8 Rc8 79.Kg7 Bf8 80.Kg8 Bh6#) 0–1. Bestia03g – GnuChess414, computer chess game, 2000.

8.Qd8 Nd8 9.ef5+/- gf5 (9...Nbc6 10.Nc3 d6 11.Nd5+/-) 10.Be5 Rf8 11.Nc3 (11.Bg7 Rf7 12.Bf7 Kf7+/-) 11...Bc3 (11...Ne6 12.Nd5 Nc6 13.Nf3+/- (13.Nc7?! Nc7 14.Bc7 d6=)) 12.Bc3+- a6 (12...Ne6!?+-) 13.Bg7 Rf7 14.Bf7 Nf7 (14...Kf7 15.Bc3+-) 15.Nf3 d6 (15...Nd8 16.0-0+-) 16.Kf2 Be6 17.Rhe1 (better is 17.Rab1 b6 18.Rhe1+-) 17...Ke7 (17...Kd7+-) 18.Nd4 Nd8 19.Re6! Ne6 20.Re1 Kf7 (20...Nc6 21.Ne6 Rg8 22.Bh6+-) 21.Ne6 Nc6 (21...c5 22.Bf8 Nc6 23.Bd6+-) 22.Bb2 Re8 (22...Rb8+-) 23.Ng5 Kg6 (23...Kf8 24.Nh7 Kf7 25.Ng5 Kf8 26.Bg7 Kg7 27.Re8 d5+-) 24.Re8 Nb4 25.Rg8 Kh6 (25...Kh5 26.Nf3 h6 27.h3 Nd3 28.cd3 b5 29.g4 fg4 30.hg4) 26.Nf7 Kh5 27.Rg5 Kh4 28.g3 Kh3 29.Rh5 Kg4 30.Rh4 1–0. marekt – kubby, internet, 2009.

8.Nf3 Qh4+= Black fights for the Initiative 9.Nh4 Be7 10.Nf3 fe4 11.Ne5 Rf8 12.0-0 (12.Rf1 d6 13.Nc6 Nc6-/+) 12...Na5 (12...Bc5 13.Kh1-/+) 13.Bd5 (13.Bb5!?-/+) 13...d6-+ 14.Ng6 (14.Nc4 c6-+) 14...hg6 15.Bg7 (15.Be4 Bf5 16.Bf5 Rf5-+) 15...Bf6 16.Bf6 Rf6 17.Nc3 e3 18.Rae1 c6 19.Re3 Kd8 (19...Kd7 20.Ne4 Rf5 21.Bg8-+) 20.Bb3 (20.Rfe1 Rf4 (20...cd5 21.Re8 Kc7 22.Nd5 Kc6 23.Nf6+/-) 21.Re8 Kc7 22.R1e7 Nd7=) 20...d5 21.Rfe1 (21.d4 a6-+) 21...Nb3 22.Re8 (22.ab3 Rf4 23.Re8 Kc7 24.R1e7 Bd7-+) 22...Kc7 23.ab3 Rf4 24.Rg8 (24.R1e7 Kd6 25.Rg7 Bf5-+) 24...b5 (better is 24...Rf7!? 25.d3 Bf5 26.g4 Bg4 27.Rg6-+) 25.Rg6 a5 26.Re7 (26.Rg7 Nd7 27.g3 Rd4-+) 26...Nd7 27.g4 (27.g4 a4 28.Ree6-+; 27.Ree6 Bb7 28.g3-+). Povvat,Aalo – Nagesh,J, corr ICCF EM/J50/P002, 2001.

7.f4 Bf8

8.a4 Bc5+= 9.f5 Qe7 10.Nc3 Nb4 11.Nf3 (11.Nd5 Nd5 12.Bd5 c6 (12...gf5 13.Qh5 Kd8 14.Qf5 c6 15.Bb3 d6-/+) 13.Bb3 gf5 14.Qh5 Kd8 15.Qf5 d6-/+) 11...c6 (11...Nc2 12.Kd1 Nb4 13.Ba3 N8c6 14.fg6 Qg7 15.Bf7 Kd8-/+) 12.0-0-0 (12.Bb3 gf5 (12...d6 13.g4 Qg7 14.Rf1 Nd7 15.a5 Na6+=) 13.0-0-0 d5 14.ed5 Bd6 15.d4 e4+=; 12.Rc1 gf5 (12...d5 13.Bb3 d4 14.Nd1 gf5 15.Qh5 Kd8-/+) 13.Qh6 Kd8 14.Rf1 fe4 15.Ne4 d5-/+) 12...d6 (12...d5 13.ed5 (13.Bb3 d4 14.fg6 Qg7 15.Bf7 Kd8-+) 13...Bf5 14.d4-/+ Bd6 15.de5 fe5+=) 13.d4= (13.fg6 Qg7 14.gh7 Rh7 15.Qg3 f5+=) 13...ed4 14.Nd4 Nd7 (14...Qg7 15.Nb3 Be3=) 15.fg6 Ne5 16.Bf7 Nf7 17.g7 Rg8 18.Qh7 Nh6 19.Qh6 Qg7 20.Qg7 Rg7 21.g3 Bg4 22.Nf5 Rd7 23.Rdf1 0-0-0 (23...Bh3 24.Rf4=) 24.h3+= Bh5 (24...Bf5 25.Rf5 Rg8 26.Rf3+=) 25.g4 Bf7 26.Ne2 (26.Ng3 Be3 27.Kb1 Bd4+=) 26...Bc4 (26...Re8 27.Neg3 Bc4 28.Rf4+/-) 27.Nfg3 d5 28.Bf6 Be3 (28...Re8!? 29.e5 d4+=) 29.Kb2+/- de4 (29...Re8 30.Rf3 d4 31.Nf4+/-) 30.Bd8+- Rd2? (30...Kd8 31.Rd1 Be2 32.Ne2+-) 31.Rf8 (better is 31.Ba5 Rc2 32.Kb1+-) 31...Rc2 32.Ka3?? (32.Kb1 Bh6 33.Re8 Ba2 34.Ka1 Bf7 35.Bg5 Be8 36.Bh6 Bf7+-) 32...Nd5 (better is 32...Na6 33.Bh4 Kc7 34.Bd8 Kc8 35.Bg5 Kc7 36.Bd8 Kc8=) 33.Bb6+- Kd7 34.Rd8 Ke7 (34...Ke6 35.Rd5! ab6 36.Rd4 Ra2 37.Kb4 Bd4 38.Kc4+-) 35.Rd5! Bb6 (35...Bd5 36.Nf5 (36.Be3); 35...cd5 36.Nf5 (36.Be3)) 36.Rh5 (36.Re5 Kd6 37.Rf5 Bd5 38.Rd5 cd5+-) 36...a5 37.Ra1 Kd8 38.Ne4 (better is 38.h4!?+-) 38...Re2+= 39.Nd6 (better is 39.Rd1!? Kc7 40.Rh7 Kb8 41.Rb7 Ka8 42.Rd2 Re3 43.Kb2 Kb7 44.Nd6 Kc7 45.Nc4 Rh3 46.Rg2+=) 39...Re3+= 40.Kb2 Bd4 41.Kc2 Ba1 42.Nc4 Rc3 43.Kb1 Rc4 44.Ka1 Ra4 45.Kb2 b5 46.Rh7 Re4 47.g5 a4 48.g6 Re2 49.Kb1 Rg2 50.Rh6? (better is 50.Rg7!?-/+) 50...b4-+ 51.g7 (51.Rh8 Ke7 52.Rb8 c5-+) 51...Rg7 52.Rc6 Rg1 53.Ka2 b3 54.Ka3 Ra1 55.Kb2 Ra2 56.Kb1 Kd7 (56...a3 57.Ra6 Kc7 58.h4-+) 57.Ra6 Kc7 ½–½. Blasco Soler,M – Ros Miro,C, I–C, 1973.

8.fe5 fe5 9.Qd8 Kd8=.

8.fe5 Ne5?? 9.Be5+- fe5?? (9...Bg7 10.Bg3 Nc6+-) 10.Bf7! Kf7 11.Qd8 Nc6 12.Qg5 h6 13.Qg3 Bg7 (13...Bc5 14.Nf3 Re8 15.Nc3+-) 14.Nf3 d6 15.0-0 Bf6 16.Nc3 Be6 (16...Kg7 17.Nd5 Rf8 18.Nc7+-) 17.Rab1 (better is 17.Nh4 Ne7+-) 17...Rab8 (17...Rhb8 18.Ng5! hg5 19.Qf3+-) 18.Nh4 g5 (18...Ne7 19.Qf2 Ng8 20.Qa7+-) 19.Qf2 Ke8 20.Qf6 Kd7 21.Qg7 Ne7 22.Ng6 Rhe8 23.Nd5 Bd5 24.ed5 c6 25.Ne7 Re7 26.Rf7 Rf7 27.Qf7 Kc8 28.Rf1 cd5 29.Qe7 (29…b5 30.Rf8) 1–0. Schneider,HA – Faerber,HW, corr TT/5005 BdF, 1996.

8.Nf3 Na5 9.fe5 (better is 9.Bd5 c6 A) 10.Ne5 cd5 11.Ng6 hg6 12.Qh8 Qe7 13.Bf6 Qe6+-; B) 10.Bb3 Be7 (10...Nb3 11.ab3 d6 12.0-0 Bg7 13.d4 Nd7=; 10...d6 11.0-0 Be7 12.Qh6 Nb3 13.ab3 Bf8+=) 11.Qh6 Nb3 12.ab3 Bf8 13.Qh4 d6+=; C) 10.fe5 cd5 (10...Bc5 11.ef6 cd5 12.f7 Kf7 13.Ng5 Ke8+-) 11.ef6+- Bb4 12.f7 Kf7 13.Ng5 Ke8+-; 9.Ne5 Nc4 10.Nc4 Bg7 (10...Be7 11.0-0 d6 12.f5 gf5 13.Qh5 Kf8+/-) 11.Ne3 c6 12.f5 d6 13.Qg3 Qe7+=) 9...Nc4-/+ 10.ef6 Bg7?? (better is 10...Nd6-/+ 11.f7 Nf7 12.Qd8 Kd8 13.Bh8 Nh8-/+) 11.0-0 (11.0-0 Nb2 12.fg7+-) 1–0. Kolesnikov – Zinovatny, corr, 1970.

8.Nf3 Be7 9.f5=.

8.Nh3 d6 9.a3 Nd7 10.0-0 Nb6 11.Bb3 Bg7 12.d3 Qe7 13.Nc3 Be6 14.a4 A) 14...a5 15.Be6 (15.Rac1 Bb3 16.cb3 Nd4 17.Nd5 Nd5 18.Bd4-/+; 15.Rae1 Bb3 16.cb3 Nd4 17.fe5 fe5 18.Qe7-/+) 15...Qe6 16.Rab1 Nd4 17.Nb5 Nb5 18.ab5+=; B) 14...Bb3 15.cb3 a5 16.Nb5 Rc8 17.Rac1 Qe6 18.Rc3+=.

8.Nh3 d6 9.a3 Nd7 10.0-0 Nb6 11.Bb3 Bg7 12.d3 Qe7 13.Nc3 Be6 14.Rab1 A) 14...Nd4 15.Nd5 (15.Be6 Qe6 16.Qf2 f5 17.Ng5 Qd7 18.Nd5+=; 15.Bd5 Qd7 16.Be6 Qe6 17.Rf2 c6 18.fe5+=) 15...Ne2 16.Kf2 Nd5 17.Bd5 Bh3 18.Bb7+=; B) 14...Rd8 15.Nd5 (15.Be6 Qe6 16.Qe1 0-0 17.Qh4 d5 18.ed5+=) 15...Bd5 16.Bd5 Nd5 17.ed5 Nb8 18.Qf2=; C) 14...Rc8 15.Be6 (15.Nd5 Bd5 16.Bd5 Nd5 17.ed5 Nd8 18.c4+=; 15.Bd5 Bd5 16.Nd5 Nd5 17.ed5 Nd8 18.c4+=; 15.Na4 Bb3 16.Nb6 cb6 17.cb3 Qe6 18.Bc3+=; 15.Ne2 Bb3 16.cb3 d5 17.fe5 Ne5 18.Nf2+=) 15...Qe6 16.Ne2 Rd8 17.c4 Rd7 18.f5+=; D) 14...Bb3 15.cb3 Nd4 16.b4 f5 17.Qe7 Ke7 18.Rbe1-/+.

8.Nh3 d6 9.a3 Nd7 10.0-0 Nb6 11.Bb3 Bg7 12.d3 Qe7 13.Nc3 Be6 14.Nd5 Bd5 15.ed5 (15.Bd5 Nd5 16.ed5 Nd8 17.Rae1 c6 18.dc6+=) 15...Na5 (15...f5 16.Qe7 Ne7 17.Rae1= 0-0-0 18.Ng5=) 16.fe5 (better is 16.Ba2!? Na4 17.Bc1 (17.fe5 Nb2 18.ef6 Bf6 19.Rf6+-) 17...f5 18.Qe7=) 16...de5+= (worse is 16...fe5 17.Ba4 c6 18.Qb4 Na4 19.Qa4+=; 16...Nb3 17.ef6 Qe3 18.Kh1 Na1 19.fg7+-) 17.Ba4 c6 18.Qb4 (18.dc6+=) 18...Na4 19.Qa4 Qc5 20.Nf2 0-0 (worse is 20...Qd5 21.c4 Qc5 22.Bc3 Nc4 23.dc4+=) 21.Rab1 (21.Qb4 Qd5 (21...Qc2?! 22.Rfc1 c5 23.Rc2 cb4 24.ab4+=) 22.Rae1 b6-+) 21...cd5 22.Be5 fe5 23.Rb5 Qe3 24.Qa5 Rf2 (24...Rf2 25.Rf2 Rf8-+) 0–1. Zenner,C – van Dalfsen,PB, corr ICCF EU/M/GT/068 (year?).

8.Nh3 d6 9.a3 Nd7 10.0-0 Nb6 11.Bb3 Bg7 12.d3 Qe7 13.Nc3 Be6 14.Rae1 A) 14...Nd4 15.Be6 Qe6 16.Nd5 Nd5 17.ed5 Qd5 18.fe5+-; B) 14...Rb8 15.Nd5 (15.Rb1 Bb3 16.cb3 Nd4 17.b4 f5 18.Qf2-/+; 15.Nb5 Rc8 16.Be6 Qe6 17.Rb1 a6 18.Nc3+=; 15.Qg3 Nd4 16.Be6 Qe6 17.Nd5 Nd5 18.Bd4+=; 15.Be6 Qe6 16.Nb5 Rc8 17.Qg3 Qa2 18.Rb1-/+) 15...Bd5 16.ed5 Na5 17.Ba2 Qd7 18.d4=; C) 14...Rd8 15.Nd5 (15.Be6 Qe6 16.Qg3 a6 17.Qe3 Bh6 18.Rf2+=; 15.Qg3 Bb3 16.cb3 Nd4 17.b4 f5 18.Nd1+=; 15.Ne2 Bb3 16.cb3 Qe6 17.Nc1 Nd7 18.Qg3+=; 15.a4 Nd4 16.Be6 Qe6 17.Nb5 Nb5 18.ab5=) 15...Bd5 16.ed5 Na5 17.Ba2 Qd7 18.d4=; D) 14...Rc8 15.Nd5 (15.Be6 Qe6 16.Ne2 Rb8 17.Nf2 f5 18.fe5+=; 15.Qg3 Bb3 16.cb3 Nd4 17.Nd5 Nd5 18.Bd4-/+; 15.Rb1 Bb3 16.cb3 Nd4 17.b4 f5 18.Qe7-/+; 15.Ne2 Bb3 16.cb3 Qe6 17.Nc1 Nd7 18.Qg3+=) 15...Nd5 16.ed5 g5 17.fg5 Bh3 18.Qh3+-; E) 14...Bb3 15.cb3 Nd4 16.Nd5 Nd5 17.Bd4 Nf4 18.Nf4+=.

8.Nh3 d6 9.a3 Nd7 10.0-0 Nb6 11.Bb3 Bg7 12.d3 Qe7 13.Nc3 Be6 14.Be6 Qe6 15.Rf2 (15.Nb5 Rc8 16.Qf2 Qd7 17.a4 a5 18.fe5+=; 15.Rae1 0-0-0 16.Rb1 Nd4 17.Qf2 f5 18.Ne2+=; 15.a4 a5 16.Rf2 h5 17.Rff1 Qg4 18.Qf2+=; 15.Rab1 Nd4 16.Qf2 f5 17.a4 a5 18.Rbe1+=) 15...0-0-0 16.a4 Rde8 17.a5 Nd7 18.a6+=.

8.Nh3 d6 9.a3 Nd7 10.0-0 Nb6 11.Bb3 Bg7 12.d3 Qe7 13.Nc3 Be6 14.Rf2 A) 14...Nd4 15.Be6 (15.Nd5 Nd5 16.Bd5 Bd5 17.ed5 f5 18.Qe7+=) 15...Qe6 16.Re1 c6 17.a4 f5 18.fe5+=; B) 14...Rb8 15.a4 (15.Ne2 d5 16.ed5 Bd5 17.Bd5 Nd5 18.fe5+=; 15.Be6 Qe6 16.Nb5 Rc8 17.Raf1 Na4 18.c4+=; 15.Raf1 Nd4 16.Be6 Qe6 17.Rb1 f5 18.Ng5+=; 15.Rb1 Bb3 16.cb3 Nd4 17.b4 f5 18.Qg3+=) 15...Nd4 16.Be6 Qe6 17.Nb5 Nb5 18.ab5=; C) 14...Rd8 15.Re1 (15.a4 Bb3 16.cb3 a5 17.Nb5 d5 18.Ba3+=; 15.Raf1 Bb3 16.cb3 Nd4 17.b4 f5 18.Qe7-/+; 15.Nb5 Bb3 16.cb3 a6 17.Nc3 Nd4 18.b4-/+; 15.Be6 Qe6 16.a4 a5 17.Qg3 Qd7 18.Rb1+=) 15...Bb3 16.cb3 d5 17.ed5 Nd5 18.Nd5=; D) 14...Rc8 15.Be6 (15.Rc1 Nd4 16.Be6 Qe6 17.Rb1 f5 18.Ng5+=; 15.Ba2 Ba2 16.Ra2 ef4 17.Qf4 f5 18.Nd5-/+; 15.fe5 de5 16.Nd5 Bd5 17.ed5 f5 18.Qg3-/+; 15.Raf1 Bb3 16.cb3 Nd4 17.b4 f5 18.Qe7+=) 15...Qe6 16.a4 a5 17.Raf1 Nd4 18.Nb5=; E) 14...Bb3 15.cb3 Nd4 16.b4 f5 17.Qg3 Rf8 18.ef5+=.

8.Nf3 d6

9.0-0 Nd7 10.d4 ed4 11.Nd4 Nd4 12.Bd4 Be7 13.Nc3 A) 13...Nb6 14.Bb6 (14.Bb5 c6 15.Be2 f5 16.Qf2 0-0 17.e5+=) 14...ab6 15.f5 b5 16.Bb3 Kd7 17.fg6+=; B) 13...c6 14.Be6 (14.a4 Nb6 15.Be2 c5 16.Bb5 Bd7 17.Be3+=; 14.Rfd1 b5 15.Bd3 b4 16.Na4 c5 17.Be3+=; 14.a3 b5 15.Be6 Nb6 16.Bc8 Rc8 17.Rfe1=; 14.Rad1 b5 15.Be6 Nb6 16.Bc8 Rc8 17.f5=; 14.Rab1 b5 15.Be6 Nb6 16.Bc8 Rc8 17.f5=; 14.Bb3 c5 15.Be3 c4 16.Ba4 f5 17.Qf2+=) 14...Ne5 15.Bb3 c5 16.fe5 f5 17.Qf2=; C) 13...c5 14.Bf2 Nb6 15.Bb5 Bd7 16.f5 Bb5 17.Nb5=.

9.0-0 Nd7 10.d4 ed4 11.Nd4 Nd4 12.Bd4 Be7 13.Re1 A) 13...Ne5 14.Bb3 (14.Bb5 c6 15.Be2 Be6 16.Qf2 c5 17.Bc3+=; 14.Bd5 Nc6 15.Bb2 Na5 16.Bd4 c6 17.Bb3=) 14...Nc6 15.Bc3 h5 16.Qg3 Rh6 17.Qd3=; B) 13...c6 14.Nd2 (14.Bb3 Qa5 15.c3 c5 16.Bf2 Qa6 17.Nd2=; 14.Nc3 b5 15.Be6 b4 16.Nd1 Nb6 17.Bc8=; 14.Qh6 Bf8 15.Qh4 Bg7 16.Nd2 b5 17.Bb3+=; 14.a3 b5 15.Bb3 Nf8 16.a4 b4 17.c3=; 14.a4 Ne5 15.Bb3 Qa5 16.Kh1 Nd7 17.Na3=; 14.Be6 Nc5 15.Bc8 Rc8 16.f5 0-0 17.Nc3=) 14...b5 15.Bb3 a6 16.a4 ba4 17.Ba4=; C) 13...Nf8 14.f5 (14.Nd2 Ne6 15.Bc3 c6 16.f5 Nf8 17.Qh6+/-; 14.c3 c6 15.Nd2 Ne6 16.f5 Nd4 17.cd4=; 14.Nc3 c6 15.Qh6 Ne6 16.Be6 Be6 17.Qg7=; 14.Qg3 Ne6 15.Be3 f5 16.Qh3 0-0 17.Nd2+=; 14.a3 Ne6 15.Bf2 f5 16.Qg3 fe4 17.Nc3+=; 14.Qf2 Ne6 15.Be3 c6 16.Nd2 b5 17.Bb3=) 14...c6 15.Qh6 Qa5 16.c3 c5 17.Be3+-; D) 13...Nb6 14.Bb6 (14.Bb5 c6 15.Bd3 c5 16.Bb5 Kf7 17.Bc3+=; 14.Bd3 c5 15.Bb5 Kf7 16.Bb2 f5 17.Qh6+=) 14...cb6 15.Nd2 Qc7 16.Qh6 Qc5 17.Kh1=.

9.0-0 Nd7 10.d4 ed4 11.Nd4 Nd4 12.Bd4 Be7 13.f5 Ne5 14.Bb3 (14.Be2 d5 15.fg6 Ng6 16.Bh5 Rf8 17.Qg3=; 14.fg6 Ng6 15.Qh5 c6 16.a4 Kd7 17.Nd2=; 14.Bd5 c6 15.Bb3 d5 16.Nc3 b5 17.Be5=; 14.Bb5 c6 15.Be2 Qa5 16.Nc3 b6 17.Rad1=) 14...c5 (14...c6 15.fg6 Ng6 16.Qh6= Qc7 17.Nc3=; 14...h5 15.fg6 Ng6 16.Qg3 Rh6 17.Nc3=) 15.Be5+= de5 16.Na3?? (better is 16.fg6 c4 17.Qh5 Qd4 18.Kh1+/-) 16...Qd4-/+ 17.Kh1 Bf5! 18.Bd5 (18.ef5 Qh4) 18...Be4 (18...Qa4 19.Nc4 g5 20.Qh6 Be4 21.Qg7+/-) 19.Qe4 (worse is 19.Be4 f5 20.Qh6 Qe4-/+ (worse is 20...fe4 21.Qg7 0-0-0 22.Qe7+/-)) 19...Qe4 20.Be4 Rb8 (20...0-0-0 21.g4+=) 21.Nb5 (21.Rab1!?+=) 21...a6= 22.Nc7 (better is 22.Nc3=) 22...Kf7?? (22...Kd7!? 23.Nd5 f5+=) 23.Nd5 (better is 23.Bd5!? Kf8 24.Rae1+-) 23...Bd8 (23...Rhd8 24.g4= (worse is 24.Ne7 Ke7 25.g4 b5+=)) 24.g4 b5 25.Nf6 Bf6 26.g5 Rb6 27.Rad1 Ke7 ½–½. Radich – Cembran, corr, 1985.

9.0-0 Nd7 10.d4 ed4 11.Nd4 Nd4 12.Bd4 Be7 13.Qh6 Bf8 (13...Nb6 14.Qg7 Kd7 15.Bf7 c5 16.Bc3 Kc7 17.Na3+=) 14.Qh4 Bg7 15.a4 Nc5 16.Re1 Ne6 17.c3+=.

9.0-0 Nd7 10.f5 Bg7 11.a3 Na5 A) 12.Be2 Qe7 (12...Nb6 13.Qg3 Nac4 14.Bc3 Qe7 15.fg6 Bh6=) 13.Nc3 Nb6 14.Rab1 gf5 15.Nd5 Nd5+=; B) 12.Ba2 Nb6 13.Nc3 Qe7 14.Rab1 gf5 15.Qh5 Kd8+=; C) 12.Be6 Nb6 (12...Nc5 13.Bc8 Rc8 14.d4 Na4 15.Bc1 Qd7+=; 12...Nf8 13.Bc8 Rc8 14.d3 Qd7 15.Nc3 c6+=) 13.Nc3 Be6 14.fe6 c6 15.d3 Ke7+=.

9.0-0 Nd7 10.f5 Bg7 11.a3 Nb6 12.Ba2 (12.Bb3 d5 (12...Na5 13.Qg3 Nac4 14.Bc3 Qd7 15.fg6 Qg4+=) 13.ed5 Nd5 14.Qe4 Nce7 15.fg6 hg6-/+; 12.Bd3 Ne7 (12...Na4 13.Bc1 Qd7 14.Bc4 Nc5 15.Nc3 Rb8+=; 12...Qe7 13.Nc3 Qd7 14.Rab1 a6 15.Qg4 Qf7-/+; 12...Qd7 13.Nc3 Ne7 14.a4 gf5 15.ef5 a5+=; 12...a6 13.Nc3 Qd7 14.Rab1 Qf7 15.Qh3 Ne7-/+) 13.Qg3 Na4 14.Bb5 Bd7 15.Bd7 Qd7-/+; 12.Bb5 Qd7 (12...a6 13.Bc6 bc6 14.Qg3 Nc4 15.Bc3 Qe7=; 12...d5 13.d4 de4 14.de5 fe5 15.Bc6 bc6+=) 13.Nc3 a6 14.Bd3 Qf7 15.Rae1 Ne7-/+) 12...d5 (worse is 12...gf5 13.Qh5 Kd7 14.Nh4 (14.Qf5 Ke7 15.Qh5= Qe8=) 14...Qf8 15.Nf5 Kd8=) 13.ed5 Nd5 14.fg6 (14.Qc4 Nce7-/+ 15.d4 e4-/+) 14...hg6 15.Qe4 Nde7 (15...Nce7 16.d4 f5 17.Qe2-/+) 16.d3 (better is 16.Ne5!? Ne5 17.Be5=) 16...Qd6-/+ 17.Nc3 Qc5 18.Kh1 Bf5 19.Qe2 0-0-0 20.Ne4 Be4 21.de4 g5 (21...Rd6 22.Rad1-/+) 22.a4 Kb8 23.Ne1 Nd4 24.Bd4 (24.Qe3 Qc6 25.c3 Qa6-/+) 24...ed4 25.Nd3 Qd6 (25...Qc6 26.Rab1-+) 26.h3-/+ Rh4 27.Nf2 (27.Rab1 Ka8-/+) 27...Ng6 (better is 27...f5 28.Qd3 Rf8-+) 28.Nd3? (better is 28.Rab1-/+) 28...g4-+ 29.Qf2?! (29.Rab1 gh3 30.g3-+) 29...gh3 30.g3 Rhh8 (better is 30...Re4 31.Kh2-+) 31.Rab1 Ne5 32.Qf5 Nd3 (32...b6 33.Nf4-+) 33.cd3 c6 (33...Qg3 34.Rb7 Ka8 35.Ra7 Ka7 36.Qa5 Kb7 37.Rb1 Kc6 38.Qa6 Kd7 39.Qe6) 34.Qg6 Rd7 35.Rf2 Rh6 36.Qe8 Rd8 37.Qf7 Qd7 (37...Qc7 38.Kh2-+) 38.Qc4 (38.Qd7 Rd7 39.Be6 Rd8-+) 38...Ka8 39.Rfb2 Rb8?? (better is 39...Qg4 40.Qf7 b6-+) 40.Rb7!!+- (40.Rb7 Qb7 41.Rb7 Kb7 42.Qf7 Ka8 43.Qg7+-) 1–0. Ogdansky,DP – Airekoski,Esa, corr FIN–UKR, 1972.

9.Nc3 Na5 10.Bb3 Nd7=.

9.fe5 de5!? 10.0-0 Na5=+.

9.fe5 de5!? 10.Nc3 Nd7+=.

9.fe5 Ne5 10.Ne5= de5 11.Be5 fe5 12.Bf7 Kd7 13.Be6 Ke8 14.Bf7 Kd7 ½–½. Stader,J – Zrazhevsky,YM, corr USSR–GER, 1957.

9.fe5 Ne5 10.Ne5= de5 11.Be5 fe5 12.Bf7 Kd7 13.Be6 Ke8 (13...Ke6 A deflection 14.Qd8) 14.Bf7 Kd7 (14...Kf7 Deflection from d8 15.Qd8) 15.Be6 ½–½. Meybohm,Dirk – Schuessler,E, corr DDR, 1988.

9.fe5 Ne5 10.Ne5= de5 11.Be5 fe5 12.Bf7 Kf7 A deflection 13.Qd8.

9.Qg3 Nd7 10.0-0 A) 10...Bh6 11.fe5 Nde5 (11...Nce5 12.Be6 c6 13.Bd4 Bg7 14.Nc3 Nf3=; 11...de5+= 12.Bb5 Bf4 13.Qf2 Nb4 14.a3 Nc2= ) 12.Bd5 Qe7 13.Rf2 Nb4 14.Bb3 Bg7=; B) 10...Nb4 11.Na3 Qe7 (11...Nb6 12.fe5 Nc4 13.Nc4 de5 14.Be5 Qe7=; 11...Bh6 12.fe5 de5 13.Ne5 fe5 14.Bf7 Kf8+- 1.81; 11...Bg7 12.fe5 Ne5 13.Ne5 de5 14.d4 ed4=; 11...Be7 12.Rab1 Nc5 13.fe5 de5 14.Ng5 Qd2=) 12.Qh4 Nb6 13.Bb3 a5 14.Bc3 c5+=; C) 10...Na5 C1) 11.Be6 Qe7 (11...Nc5 12.Bc8 Rc8 13.d3 Nc6 14.Nc3 Bg7= ; 11...Nb6 12.Bc8 Qc8 13.d3 Nc6 14.Nc3 Qe6+= ) 12.Qh3 Nb6 13.Bc8 Rc8 14.Nc3 c6+=; C2) 11.Be2 Nb6 (11...Bh6 12.fe5 fe5 13.Qh3 Bf4 14.Qe6 Qe7+= ; 11...c6 12.d4 Bh6 13.fe5 de5 14.Qf2 Qb6+= ) 12.Na3 Be6 13.Rf2 Nc6 14.Nb5 Bh6-/+; C3) 11.Bd5 c6 (11...Nb6 12.fe5 de5 13.Ne5 Nd5 14.ed5 Be7= ; 11...Bg7 12.d4 c6 13.Bb3 Qe7 14.Nbd2 Nb3+= ) 12.Bb3 Bh6 13.fe5 fe5 14.d4 Rf8+=; C4) 11.Bb3 Nb6 (11...Bh6 12.fe5 Nb3 13.ab3 de5 14.Qf2 Qe7= ; 11...Nb3 12.ab3 Nc5 13.Nc3 Ne6 14.Ne2 Bh6+=; 11...Nc5 12.Nc3 Ne6 13.Ne2 Bh6 14.Be6 Be6+=; 11...c6 12.d4 ef4 13.Qf4 Qe7 14.Nbd2 Bg7=) 12.Bc3 Nb3 13.ab3 Qe7 14.Ba5 Bh6+=; D) 10...Nb6 D1) 11.Bb5 a6 (11...Bd7 12.Nc3 a6 13.Bc6 Bc6 14.d3 Qe7+= ; 11...Be7 12.fe5 de5 13.d4 ed4 14.Bc6 bc6+= ; 11...Qe7 12.fe5 de5 13.Bc6 bc6 14.Ba3 c5=) 12.Bc6 bc6 13.d3 Qe7 14.Nc3 Qe6+=; D2) 11.Bb3 Qe7 (11...Na5 12.Bc3 Nb3 13.ab3 Qe7 14.Ba5 Bh6+= ; 11...Qd7 12.a4 Qg4 13.Qg4 Bg4 14.a5 Nd7+= ; 11...a5 12.a4 Qd7 13.Nc3 Qg4 14.Qe1 Bd7+=) 12.Nc3 Be6 13.Qh4 Bg7 14.d3 Rd8+=; E) 10...Nc5 E1) 11.Qh4 Be7 (11...Na5 12.Bb3 Bg7 13.Nc3 Nab3 14.ab3 f5+= ; 11...Na4 12.Bc3 Bg7 13.Bb5 Nc3 14.Nc3 Bd7+=) 12.d3 f5 13.Qe1 fe4 14.de4 Na4+=; E2) 11.fe5 de5 12.Bd5 Ne6 13.Bc6 bc6 14.Nc3 Bd6+=; E3) 11.d3 Na5 (11...Ne6 12.Bc1 f5 13.ef5 Nf4 14.Bf4 ef4= ; 11...Be6 12.Nbd2 Na5 13.Be6 Ne6 14.fe5 de5+=; 11...Bh6 12.fe5 Na4 13.Bc3 Nc3 14.Nc3 fe5+=) 12.Bb3 Nab3 13.ab3 Ne6 14.Bc1 d5+=; E4) 11.Bb5 Ne6 (11...Ne4 12.Qe1 d5 13.d3 Bc5 14.Kh1 Nf2+= ; 11...Bd7 12.fe5 Ne5 13.Bd7 Qd7 14.d3 Qb5+= ; 11...a6 12.fe5 Bg7 13.Bc6 bc6 14.ef6 Bf6+/-) 12.fe5 de5 13.Kh1 Bd6 14.Ba3 Nf4+=; E5) 11.Nc3 Na5 (11...Nd4 12.Nd4 ed4 13.Nb5 c6 14.Nd4 Ne4+= ; 11...Bh6 12.fe5 fe5 13.Bf7 Kf8 14.Bd5 Kg7+= ) 12.Bb3 Ne6 13.Ne2 Nb3 14.ab3 Bh6+=.

9.Qg3 Nd7 10.f5? g5 (better is 10...Nb6!? 11.Bb3 gf5 12.ef5 Bf5-+) 11.a3 (11.Nc3 Nb4 12.0-0-0 Nb6 13.Bb5 c6=) 11...Nb6+= 12.Ba2 (12.Bb5+=) 12...Na4 (12...d5!? 13.d3 de4 14.de4 Na4-/+) 13.Bc1 (13.Ng5 fg5 (worse is 13...Nb2 14.Nf7 Qd7 15.Nh8+-) 14.Qb3 d5 15.Qa4 d4+=) 13...Nd4 (13...Nc5!? 14.d3 h5+=) 14.Nd4= ed4 15.c3 (15.Qd3!?+=) 15...dc3 (15...Qe7!? 16.Qf3 dc3 17.Nc3 Qe5=) 16.Nc3= (16.Nc3 Nc3 17.Qc3+=). Grund,Karl Heinz – Vecsey,Zoltan, corr, 1969.

9.0-0 Na5

10.Bb3 Nb3 11.ab3 Bg7=.

10.Be2 Bg7

11.f5 d5 12.ed5 Qd5 (12...c6 13.d4 Qb6 14.Ba3 cd5 15.Nc3 Qd8 16.de5+=) 13.Ne5 fe5 14.f6 0-0 15.fg7 Rf1 16.Kf1=.

11.f5 Bd7

12.Bc3 A) 12...c5 13.Qg3 (13.Na3 gf5 14.Nb5 Ke7 15.ef5 Nbc6 16.Rab1+=) 13...Nbc6 14.Na3 Ne7 15.Nb5 Bb5 16.Bb5=; B) 12...Nac6 13.Na3 (13.Bb2 Ne7 14.Nc3 Nbc6 15.Rac1 Rb8 16.Bc4+=; 13.Qg3 Ne7 14.d4 Nbc6 15.d5 Nb8 16.Nh4+=; 13.Bc4 Qe7 14.fg6 hg6 15.Qg3 g5 16.Bd5+=) 13...Qc8 14.Qg3 Ne7 15.Nh4 Bc6 16.Bd3+=.

12.Nc3 c6 13.Ba3 Qe7 14.Bb4 b6 15.Ba5 ba5 16.Bc4 (16.Bd3 gf5 17.ef5 d5=) 16...Kf8 (16...gf5 17.Qh5 Kd8 18.ef5+=) 17.g4 (17.fg6 hg6 18.Qg3 f5=) 17...g5 (17...d5 18.Bd3 h5 19.Qf2+=) 18.Qf2 Be8 (18...h5!?=) 19.Ng5 fg5 20.f6 Bf6 21.Qf6 Qf6 22.Rf6 Ke7 23.Re6 (23.Raf1 Kd7 24.Rh6 Kc7+=) 23...Kd7 24.Rf1 Kc7 25.d4 (25.d4 ed4 26.Ne2+=). Kucharkowski,Jens – Kriegel,Hagen, corr DDR–ch M, 1985.

12.Nc3 Nac6 13.Nd5 (13.Bc4 Ne7 14.Rab1 Nbc6 15.Qg3 Rb8 16.a3=; 13.Rab1 Ne7 14.d4 Nbc6 15.d5 Nb8 16.Bc1+=; 13.Qg3 Ne7 14.Nh4 Nbc6 15.Bh5 Nd4 16.Nd5+=; 13.Rad1 Nb4 14.Qg3 N8c6 15.Ne1 Ne7 16.Bh5=) 13...Ne7 14.Nf6 Bf6 15.Qf6 Rf8 16.Qg7+/-.

12.Nc3 Nbc6 13.Nd5 (13.a3 Ne7 14.Rab1 a6 15.d4 Nac6 16.d5+=; 13.Qg3 Ne7 14.Rab1 Rg8 15.Qh4 gf5 16.Qh5+=; 13.Rac1 Ne7 14.Rb1 a6 15.d4 Nac6 16.d5+=; 13.Rab1 Ne7 14.d4 Nac6 15.d5 Nb8 16.Bc1+=) 13...Kf7 14.Rab1 a6 15.d4 b5 16.Bc3=.

12.d4 A) 12...ed4 13.fg6 (13.Nd4 Nbc6 14.Nd2 Qe7 15.Rab1 0-0-0 16.Qf2+=; 13.Bd4 Nbc6 14.Bb2 Ne5 15.Qg3 Nec4 16.Bc3+=; 13.Nbd2 c5 14.Qg3 Qe7 15.fg6 Bh6 16.gh7+=) 13...hg6 14.Qg3 Rh6 15.Bc1 g5 16.Ng5=; B) 12...Nac6 13.Qg3 (13.c3 Qe7 14.Bc4 Kd8 15.d5 Na5 16.Bd3+=; 13.Na3 Nd4 14.Nd4 ed4 15.Bd4 Nc6 16.c3+=) 13...ed4 14.fg6 f5 15.gh7 Qf6 16.Nh4=; C) 12...c5 13.d5 (13.de5 de5 14.Bc1 Nbc6 15.Qg3 Qe7 16.fg6+=; 13.dc5 dc5 14.Bc1 Nbc6 15.Qg3 Qe7 16.fg6+=) 13...c4 14.Bc1 Na6 15.Qg3 Qb6 16.Kh1=; D) 12...Nbc6 13.c3 Qe7 14.d5 Nd8 15.fg6 hg6 16.Qg3+=.

12.Rf2 A) 12...Qe7 13.fg6 (13.Nc3 Qf7 14.d4 c6 15.fg6 hg6 16.Qg3-/+; 13.a3 Qf7 14.Nc3 c6 15.d4 b5 16.Nd1+=; 13.Qh3 d5 14.Ba3 Qf7 15.d3 de4 16.de4-/+; 13.Qg4 Nbc6 14.Nc3 Qf7 15.Nd5 gf5 16.ef5-/+) 13...hg6 14.Qg3 Rh6 15.Nc3 f5 16.Nd5+=; B) 12...Nac6 13.Qg3 (13.Bc4 Ne7 14.Nc3 c6 15.Ba3 d5 16.Bb3+=; 13.Nc3 Ne7 14.Rb1 a6 15.d4 Nbc6 16.d5=; 13.a3 Ne7 14.Nc3 c6 15.Qg3 Qb6 16.Bc1+=; 13.Rf1 Nb4 14.Na3 Qe7 15.c3 N4c6 16.Ne1+=) 13...Ne7 14.Nh4 c6 15.Ba3 Qb6 16.fg6=; C) 12...Nbc6 13.Qg3 (13.Nc3 Ne7 14.Rb1 Qc8 15.Qg3 Rg8 16.fg6+=) 13...Ne7 14.Nh4 c6 15.Nc3 Qb6 16.Rb1=.

12.Qg3 A) 12...Qe7 13.Nc3 (13.fg6 hg6 14.Bc3 Nac6 15.Qg6 Kd8 16.Ng5=; 13.Bc3 Nbc6 14.fg6 Kd8 15.Nh4 d5 16.ed5=) 13...Qf7 14.fg6 Qg6 15.Qe1 Nac6 16.Nh4+=; B) 12...Nbc6 13.Bc3 (13.Nh4 g5 14.Bh5 Ke7 15.Nf3 Nc4 16.Bc1=; 13.fg6 Ne7 14.Bc3 Nac6 15.Nh4 Be6 16.Bg4=) 13...Qe7 14.fg6 Kd8 15.Nh4 d5 16.ed5=; C) 12...c6 13.d4 (13.Rf2 Rg8 14.fg6 Bh8 15.Ne5 de5 16.Be5+=; 13.Ba3 Qc7 14.fg6 h6 15.Nh4 d5 16.Qf2+=; 13.Kh1 Rg8 14.fg6 Bh8 15.Nh4 hg6 16.Bh5=) 13...Bh6 14.fg6 Qb6 15.gh7 Be6 16.Qg6+-; D) 12...Nac6 13.fg6 (13.Nh4 Ne7 14.Nc3 Nbc6 15.Bh5 Nd4 16.Nd5+=) 13...Ne7 14.gh7 Rh7 15.Bc4 Bh6 16.Qf2=.

9.0-0 Bg7

10.d4 ed4 A) 11.Qe1 A1) 11...Bg4 12.Na3 (12.Nbd2 Qe7 13.Nd4 Nd4 14.Bd4 Nc6 15.c3+=; 12.Qg3 Bf3 13.Qf3 Na5 14.Bb3 Nbc6 15.Qd3-/+; 12.Bd5 Bf3 13.Rf3 a6 14.Qd2 Qe7 15.Rb3+=; 12.Nd4 Nd4 13.Bd4 Nc6 14.Bb2 Qd7 15.Nd2+=) 12...Qe7 13.Nb5 Bh5 14.Nbd4 Bf3 15.Rf3=; A2) 11...a6 12.Bd5 (12.Nd4 Nd4 13.Bd4 Nc6 14.c3 Nd4 15.cd4+=; 12.a3 Qe7 13.Nd4 Nd4 14.Bd4 Nc6 15.Bb2+=; 12.Qd2 Qe7 13.Bd5 Bg4 14.Nd4 Nd4 15.Qd4+=; 12.Nbd2 Na5 13.Nd4 Nc4 14.Nc4 b5 15.Ne3+=) 12...Qe7 13.Qd2 Rf8 14.Nd4 Nd4 15.Bd4+=; A3) 11...Bd7 12.Qd2 (12.Na3 a6 13.Rb1 Qe7 14.Ba1 b6 15.Bd5+=; 12.Nd4 Nd4 13.Bd4 Nc6 14.c3 Nd4 15.cd4+=; 12.Bd5 Qe7 13.Na3 a6 14.Qd2 Be6 15.Rae1+=; 12.Rf2 Qe7 13.Nd4 Nd4 14.Bd4 Nc6 15.c3-/+) 12...Qe7 13.Re1 Na6 14.Ba6 ba6 15.Bd4+=; A4) 11...Qd7 12.Na3 (12.Qd2 Qe7 13.Re1 Be6 14.Bd5 a6 15.a4+=; 12.Nd4 Nd4 13.Bd4 Nc6 14.Be3 f5 15.Nc3-/+; 12.a3 Qe7 13.Nd4 Nd4 14.Bd4 Nc6 15.Bb5-/+; 12.Bd5 Qe7 13.Qd2 Nd7 14.Na3 Nc5 15.Rae1+=) 12...Qe7 13.Nb5 Bg4 14.Rb1 a6 15.Nbd4+=; A5) 11...Qe7 12.Rf2 (12.Nd4 Nd4 13.Bd4 Nc6 14.Bb5 0-0 15.Bc6-/+) 12...Bg4 13.Nd4 Nd4 14.Bd4 Nc6 15.c3-/+; B) 11.Nd4 Nd4 12.Bd4 Nc6 13.Bb5 a6 14.Bc6 bc6 15.Nd2+=.

10.d4 Nd4 11.Nd4 ed4 12.Bd4 Nc6+= 13.Bb5 a6 14.Bc6 bc6 15.Nd2+=.

10.d4 f5 11.Qd8 A) 11...Nd8 12.fe5 (12.ef5 ef4 13.Re1 Kf8 14.fg6 hg6 15.Nc3=; 12.de5 fe4 13.Ng5 de5 14.Na3 Bf5 15.Rae1=) 12...fe4 13.ed6 ef3 14.dc7 Ndc6 15.cb8B=; B) 11...Kd8 12.de5 (12.fe5 fe4 13.Ng5 Re8 14.Nf7 Kd7 15.Na3+=) 12...de5 13.Nbd2 Re8 14.Rad1 Bd7 15.Bd5=.

10.d4 f5 11.Qg3?? fe4-+ (11...ed4?! 12.Re1 Kf8 13.ef5 Bf5 14.Ng5+=; 11...Nd4?! 12.Nd4 ed4 13.Re1-/+) 12.Ne5 d5?? (12...de5 13.fe5 Rf8-+ (13...Nd4?? 14.Bf7 Kf8 15.Ba3 Qe7 16.Be7 Ke7 17.Qg5 Kd7 18.c3+-)) 13.Bb3+= Ne7 14.c4 c6 15.Nc3 (15.Nd2 Nf5 16.Qc3 Nd7+=) 15...Be6 (better is 15...dc4!? 16.Nc4 Bd4 17.Kh1 b5-/+) 16.cd5= Bd5 17.Nd5 cd5 (worse is 17...Nd5 18.f5+=) 18.f5 (better is 18.Ba3+=) 18...0-0?? (better is 18...Qb6+=) 19.fg6+- h6? (19...Nbc6 20.gh7 Kh7 21.Rf8 Qf8 22.Rf1 Be5 23.de5+- (23.Rf8?! Bg3 24.Ra8 Bc7+/-)) 20.Qh4 (better is 20.Rf8!? Bf8 21.Rf1 Nbc6+-) 20...Nbc6 21.Qe4 (21.Nf7!? Rf7 22.gf7 Kf8+-) 21...Qd6+/- 22.Ba3?? (22.Nf7 A) 22...de4?? 23.Nd6 Kh8 24.Nf7 Rf7 25.gf7+- (25.Bf7?! Rd8+-); B) 22...Qg6 23.Qg6 Ng6 24.Bd5 Nd4+/-) 22...Rf1?? (better is 22...Qa3 23.Bd5 Kh8 24.Nf7 Rf7 25.Rf7 Qc3= (25...Bd4?? 26.Qd4 Nd4 27.Rh7)) 23.Rf1+/- Qe6 (23...Qa3 24.Bd5 Kh8 25.Nf7 Kg8 26.Nh6 Kh8 27.Nf7 Kg8 28.Nd6 Nd5 29.Qd5 Kh8 30.Qh5 Bh6 31.Qh6 Kg8 32.Qh7) 24.Re1 Rd8? (24...Be5 25.de5 Kg7+/- (25...de4? 26.Be6 Kg7 27.Re4+-)) 25.Nc6+- Qe4 (25...de4?? 26.Be6 Kh8 27.Nd8 Bd4 28.Kh1 Ng6 29.Re4+-) 26.Ne7 (26.Re4?! Nc6 27.Bd5 Kh8 28.Bc6 bc6+-) 26...Kh8 27.Re4 de4 28.Nf5 e3 29.Kf1 (29.Ne3?! Bd4 30.Kf2 Re8+-; worse is 29.Ng7 Kg7 30.Be6 Kg6+-) 29...Rd4 30.Nd4 Bd4 31.Bf8 h5 32.h4 b6 33.g4! hg4 34.h5 Bg7 35.Bg7 (35.Bg7 Kg7 36.Ke2+-) 1–0. Engel – Riedel,Edmund, corr JBDDR'3748 DDR, 1981.

10.Qg3 Nd7 11.f5 g5 12.a3 Nb6+= 13.Ba2 (13.Bb5+= d5 14.d3 Qd6 15.a4 Qc5 16.Qf2+=; 13.Bb3 d5 14.d3 Bf8 15.Nc3 Bc5 16.Kh1+=) 13...Na4 (13...d5 14.d3+= de4 15.de4 Na4 16.Bc3+=) 14.Bc1 (14.Ng5 fg5 15.Qb3 Qf6 16.Qa4 Bd7+=) 14...Nd4 (14...h5!?= 15.d3 g4 16.c3=) 15.Nd4+= ed4 16.c3 (16.Qd3+=) 16...dc3 17.Nc3 (worse is 17.dc3 Qe7+=) 17...Qd7 18.d4 Nc3 19.Qc3 Qc6 20.Qb3 Qd7 21.e5 b6 (21...c6!?+=) 22.Qf3 (22.e6 Qc6+/-) 22...Rb8 23.Bg5! Qf5?? (23...fg5 24.Qh5) 24.ef6 Qg5 25.fg7 (25.Qe2 Be6 26.Qe6 Kd8 27.Qe7 Kc8+-) 25...Qg7 26.Rae1 (better is 26.Qe3!? Qe7 27.Qh6 Kd7+-) 26...Kd8 27.Qe4 Bb7?? (27...Bd7 28.Rf7 Qg5+-) 28.Qh4 (28.Qh4 Kd7 29.Be6 Ke8 30.Bg4 Qe5 31.de5 d5 32.Qh5 Kd8 33.Qf7 Bc8 34.Qf6 Ke8 35.Qh8 Ke7 36.Qf8) 1–0. Grund,Karl Heinz – Vorwerk,Horst, corr ICCF EU–ch H291, 1969.

10.Qg3 Nd7 11.f5 g5 12.Bb5 A) 12...h5 13.Bc6 (13.Nc3 Nb4 14.Ba4 c6 15.d4 ed4 16.Nd4=; 13.d4 g4 14.Bc6 bc6 15.Na3 Ba6 16.Rfb1+=; 13.a3 a6 14.Bc6 bc6 15.Nc3 Rb8 16.Rab1+=; 13.Na3 Nc5 14.d3 d5 15.Qe1 d4 16.c3+=) 13...bc6 14.Nc3 Rb8 15.Rab1 h4 16.Qh3=; B) 12...Ne7 13.d4 c6 14.Bd3 Qb6 15.Ba3 c5 16.Nbd2=; C) 12...a6 13.Bc6 (13.Ba4 Nc5 14.Bc6 bc6 15.Nc3 d5 16.d3+=) 13...bc6 14.Nc3 Nb6 15.Rab1 d5 16.Rfe1=; D) 12...d5 13.ed5 Nb4 14.Nc3 c6 15.dc6 bc6 16.Bc4=; E) 12...Nb4 13.Ba4 (13.Rc1 c6 14.Be2 d5 15.Nc3 Qb6 16.Kh1-/+ ) 13...c6 14.d4 d5 15.a3 Na6 16.Qe1=.

10.Qg3 Nd7 11.f5 g5 12.Nc3 A) 12...Nb4 13.Rfc1 (13.Rac1 c6 14.d4 ed4 15.Nd4 Ne5 16.Bb3= ; 13.Bb3 Nc5 14.Ne1 c6 15.Qe3 Nb3 16.ab3=; 13.Qh3 h5 14.Ne1 c6 15.Kh1 d5 16.Be2+=) 13...Nb6 14.Be6 Be6 15.fe6 d5 16.Qg4=; B) 12...Nb6 13.Bb3 (13.Bb5 d5 14.Rae1 d4 15.Nd1 Qd6 16.c3+= ; 13.Be6 Be6 14.fe6 Qc8 15.Qh3 0-0 16.Nd5=) 13...Na5 14.Be6 Be6 15.fe6 Qe7 16.Ng5=; C) 12...Nc5 13.Ba3 (13.Rae1 h5 14.Bd5 Nb4 15.d4 Nd5 16.Nd5= ; 13.a3 h5 14.Rab1 g4 15.Nh4 Nd4 16.Rbc1=; 13.Rab1 h5 14.Ba3 Ne4 15.Ne4 h4 16.Qf2+=; 13.d3 h5 14.a3 g4 15.Nh4 Bh6 16.Ng6=) 13...h5 14.Rab1 Ne4 15.Ne4 h4 16.Qf2+=; D) 12...h5= 13.Rab1 (13.Nd5 Na5 14.Bb3 c6 15.Nc3 Nb3 16.ab3= ; 13.a3 Nb6 14.Bb5 d5 15.Rae1 d4 16.Na4=; 13.Bd5 Nb4 14.Bb3 Nc5 15.Ne1 h4 16.Qe3+=; 13.d3 Nb6 14.Bb5 d5 15.Rab1 d4 16.Bc6+=) 13...Nb6 14.Bb5 d5 15.Qf2 de4 16.Bc6=; E) 12...Rb8 13.Be6 (13.a3 Nb6 14.Be6 Be6 15.fe6 d5 16.Nh4= ; 13.Rab1 h5 14.a3 Nb6 15.Bb3 Na5 16.Ba2=; 13.a4 h5 14.Rab1 Nb4 15.Rfc1 Nb6 16.Bb3=; 13.Rad1 Nb6 14.Bb3 h5 15.Nd5 Nd5 16.Bd5=) 13...Nc5 14.Bc8 Rc8 15.Rab1 h5 16.d3=.

10.Qg3 Nd7 11.f5 g5 12.d3 A) 12...h5 13.a4 (13.Nc3 Nb6 14.Bb5 d5 15.Rab1 d4 16.Bc6+=; 13.Na3 Nb6 14.Bb5 Bd7 15.Rab1 a6 16.Bc4+=; 13.Nbd2 Nb6 14.Bb5 Bd7 15.a4 Nb4 16.Rfc1+=; 13.a3 Nb6 14.Bb3 h4 15.Qe1 Ne7 16.a4=) 13...Nb4 14.Rf2 Nb6 15.Bb3 a5 16.d4=; B) 12...Nb4 13.Rf2 (13.Na3 Nb6 14.Bb3 d5 15.Rfd1 Bd7 16.Rab1+= ; 13.Ne1 Nb6 14.Bb3 h5 15.Nc3 Nc6 16.Nf3=; 13.Qf2 g4 14.Nh4 Nb6 15.Bb3 d5 16.Qg3=; 13.Rc1 d5 14.Bb3 Nc5 15.Nbd2 Nb3 16.ab3+=) 13...Nb6 14.Bb3 d5 15.a3 Na6 16.Nc3=; C) 12...Nc5 13.a3 (13.Nbd2 Na4 14.Rab1 Nb2 15.Rb2 h5 16.Bd5= ; 13.Nc3 h5 14.a3 h4 15.Qh3 Rb8 16.Rab1=; 13.Ba3 Na4 14.Bb5 Nb6 15.Bc6 bc6 16.Nc3=; 13.Qh3 h5 14.Qg3 Na5 15.Bb3 Bh6 16.Qe1+=) 13...Bd7 14.Nc3 h5 15.Rab1 Na5 16.Ba2=; D) 12...Nb6 13.Bb3 d5 14.Nc3 d4 15.Nd5 Nd5 16.Bd5=.

10.Qg3 Nd7 11.f5 g5 12.d4 A) 12...Nd4 13.Nd4 ed4 14.Bd4 Ne5 15.Nd2 Qe7 16.Bb5=; B) 12...Nb6 13.Bb5 (13.Bb3 Nd4 14.Nd4 ed4 15.Nd2 c5 16.c3+= ) 13...Bd7 14.c3 a6 15.Be2 h5 16.d5+=; C) 12...ed4 13.Nd4 (13.Bb5 Qe7 14.Nbd2 Nde5 15.Nd4 Bd7 16.Rab1= ; 13.Nbd2 Nde5 14.Nd4 Nc4 15.Nc4 Ne5 16.Qc3= ) 13...Nd4 14.Bd4 Ne5 15.Nd2 Qe7 16.Bb5=; D) 12...a6 13.Bd5 (13.Nbd2 Nb6 14.Bb3 h5 15.c3 h4 16.Qh3=; 13.c3 h5 14.Nbd2 Nb6 15.Bb3 Na5 16.Rfd1=; 13.a3 ed4 14.Nd4 Nd4 15.Bd4 Ne5 16.Bd5=; 13.Bb3 ed4 14.Nd4 Qe7 15.Nc6 bc6 16.Nd2=) 13...ed4 14.Nd4 Nde5 15.Nd2 Qe7 16.Rae1=; E) 12...h5 13.Nbd2 (13.c3 Nb6 14.Bb5 Bd7 15.a4 Na5 16.de5+= ; 13.Bb5 g4 14.Bc6 bc6 15.Na3 Ba6 16.Rfb1+= ; 13.d5 Na5 14.Bb3 c6 15.dc6 bc6 16.Nc3+=; 13.Na3 g4 14.d5 Ne7 15.Nh4 c6 16.Rab1+=) 13...g4 14.de5 fe5 15.Nh4 Qf6 16.Ng6+=.

10.Qg3 Nd7 11.f5 g5 12.Re1 A) 12...h5 13.Nc3 (13.a4 Nb4 14.Na3 Nc5 15.Bc3 Nc6 16.Bb5+= ) 13...g4 14.Nh4 Bh6 15.Ng6 Rh7 16.Rad1+=; B) 12...Nb6 13.Bb3 (13.Bb5 a6 14.Bc6 bc6 15.d4 Nc4 16.Bc3= ) 13...a5 14.a4 h5 15.Nc3 g4 16.Nh4=; C) 12...Rb8 13.Bb3 (13.Nc3 h5 14.Nd5 Na5 15.Bb3 c6 16.Ne3= ; 13.a4 h5 14.a5 h4 15.Qh3 Nb4 16.Na3=; 13.d4 ed4 14.Nd4 Nde5 15.Bd5 Qe7 16.Nd2=; 13.Be6 Nb6 14.Bc8 Rc8 15.Nc3 h5 16.Rab1+=) 13...h5 14.Nc3 Nc5 15.Nd5 h4 16.Qh3=; D) 12...Nb4 13.Na3 (13.Bb3 Nc5 14.Na3 Nb3 15.ab3 c5 16.d3+= ; 13.Qh3 h5 14.Rc1 Nb6 15.Bb3 d5 16.Re1-/+) 13...Nb6 14.Bb3 c5 15.Rad1 c4 16.Nc4+=.

8.f5 Bg7

9.Nf3 d6 10.Na3 Na5 11.fg6 (11.Bd3 Qe7+=) 11...Nc4-/+ 12.Nc4 hg6 13.Qg3 Kf7 (13...Rh6 14.Ne3-/+) 14.Rd1 (14.0-0!?+=) 14...Be6 15.Nce5 (better is 15.Na5!? c5 16.Bc3-/+ (worse is 16.Nb7 Qc7 17.Nd6 Qd6-/+)) 15...de5 16.Ne5?? (16.0-0 Ke7 17.d4-/+) 16...fe5 17.0-0 Ke7 18.Be5 Be5 19.Qe5 Rg8 (19...Kd7!? 20.Rf6 Ba2 21.Rg6-+) 20.d4 Nc6 (20...Nd7 21.Qb5-+) 21.Qg5? (better is 21.Qf6 Kd7 22.d5 Qf6 23.Rf6 Bd5 24.Rd5 Ke7 25.Rf3-+) 21...Kd7 22.Qc1 (22.Qb5 a6 23.Qb7 Bg4-+ (worse is 23...Ba2 24.d5 Ne5 25.Qb2-+)) 22...Bc4 (22...Ba2?! 23.Qa3 Bc4 24.d5-+) 23.d5 Ne5 24.Rfe1 Qf6 (worse is 24...Ba2 25.Qb2 Qg5 26.Qa2 Nf3 27.Kf1 Nh2 28.Ke2 Qg2 29.Kd3-+) 25.Re3 (25.a3 Rh8 26.Qd2 Qd6-+) 25...Raf8 (better is 25...Ng4 26.Rf3 Qb6 27.Kh1 Rh8-+) 26.Ree1 (26.Rh3 Qf2 27.Kh1 Rh8 28.Rh8 Rh8-+) 26...Ng4 (26...Qf2 27.Kh1 Rh8 28.h3 Rh3 29.gh3 Qf3 30.Kh2 Ng4 31.hg4 Rh8 32.Qh6 Rh6 33.Kg1 Rh1) 27.Qd2 Qe5 28.g3 Rf2 29.Qd4 Rc2 30.Qa7 (30.Qe5 Ne5 31.Rf1 Bf1 32.Rf1 Ra2 33.h4-+) 30...Rh2 31.Qa4 b5 32.Qa3 Rf8! 33.d6 (33.Qf8 A deflection 33...Qg3) 33...Ra8! 34.dc7 (34.Qa8 Deflection from g3 34...Qg3 The nicest combinations are those leading to) 34...Kc7 35.Qf3 Raa2 36.Rd7 Kd7 37.Rd1 Kc6 38.Rd6 Qd6 39.e5 Qd5 (39...Qd5 40.Qd5 Bd5 41.e6 Rh1) 0–1. Woronowicz,Zbigniew – Kowalczuk,Michal, corr Poland, 1989.

9.Qg3 Ne7

10.Nc3 c6 11.Ba3 d5 A) 12.ed5 A1) 12...Nf5 13.Qd3 (13.Qf2 Nd4 14.d3 b5 15.Bb3 f5 16.Nf3-+; 13.Qf3 Qa5 14.Bb2 Nd4 15.Qd1 Bf5 16.dc6-+) 13...b5 14.Bb3 Qa5 15.dc6 Nd4 16.Bc5+=; A2) 12...Bf5 13.Rb1 (13.dc6 Nbc6 14.Nb5 Nc8 15.Qb3 Qd7 16.Qb2-/+) 13...Qd7 14.dc6 Nbc6 15.Nb5 Nc8 16.d3-/+; B) 12.Be7 Qe7 13.ed5 Bf5 14.Bb3 Qd7 15.Nf3 cd5 16.Nd5-/+; C) 12.Bb3 de4 (12...Bh6 13.fg6 Bf4 14.Qd3 hg6 15.g3 Bh6 16.ed5+=) 13.fg6 Bf5 (13...Ng6 14.Ne4-/+ Bf8 15.Bf8 Rf8 16.Nf3-/+) 14.Bf7 Kf8 15.Nd1 Bh6 16.g7-/+.

10.Nc3 c6 11.Ba3 d6 12.Bb3 A) 12...Na6 13.fg6 (13.Qd3 gf5 14.Qd6 Qd6 15.Bd6 Kd7 16.Be7-/+; 13.Nf3 b5 14.Bc1 d5 15.fg6 b4 16.gh7-/+; 13.Rb1 b5 14.Be6 Be6 15.fe6 Nc7 16.Qd3-+) 13...hg6 14.Qd3 c5 15.Nb5 d5 16.ed5+=; B) 12...b5 13.Qd3 a5 14.Bd6 gf5 15.a3 fe4 16.Ne4-+; C) 12...Bh6 13.Nge2 (13.Qd3 gf5 14.Nge2 a5 15.Qf3 a4 16.Na4+=; 13.fg6 hg6 14.Qd3 Bg4 15.Qd6 Na6 16.Qe7-/+) 13...Na6 14.Rf1 b5 15.fg6 Ng6 16.Qd3+=; D) 12...a5 13.Qd3 gf5 14.Qc4 d5 15.ed5 b5 16.Be7-+.

10.Nc3 c6 11.Ba3 d6 12.Be2 A) 12...d5 13.Bh5 (13.fg6 Ng6 14.Bh5 Kf7 15.Nf3 Bh6 16.0-0+=) 13...Qa5 14.Be7 Ke7 15.fg6 h6 16.Bg4=; B) 12...c5 13.Nf3 (13.Rb1 Bh6 14.fg6 hg6 15.Nd5 Qa5 16.Qc3-/+) 13...a6 14.0-0 b5 15.Bc1 b4 16.Na4-/+; C) 12...a6 13.Bh5 (13.Rb1 b5 14.Bh5 Kf7 15.Be2 c5 16.fg6-/+; 13.Nf3 b5 14.Rb1 c5 15.Bc1 b4 16.Nd1-/+) 13...Kf7 14.fg6 hg6 15.Bg4 f5 16.Bh3-/+; D) 12...b5 13.fg6 (13.Qd3 d5 14.fg6 hg6 15.ed5 Bf5 16.Qf3+=) 13...hg6 14.Qd3 d5 15.ed5 Bf5 16.Qf3+=; E) 12...a5 13.fg6 (13.Qd3 d5 14.g4 d4 15.Na4 b5 16.Nc5-/+; 13.Bh5 b5 14.Bb2 Kf7 15.fg6 hg6 16.Be2-/+) 13...hg6 14.Qd3 d5 15.Rb1 b5 16.Be7-/+.

10.Nc3 c6 11.Ba3 d6 12.Be6 A) 12...Na6 13.Bc8 (13.Rb1 Be6 14.fe6 b5 15.Qd3 Nc7 16.Qd6-/+; 13.Nge2 Be6 14.fe6 Qa5 15.Nb1 Nc5 16.Bc5-/+) 13...Rc8 14.Rb1 Rb8 15.Qd3 c5 16.Nb5+=; B) 12...Be6 13.fe6 Na6 14.Rb1 b5 15.Qd3 Nc7 16.Qd6-/+.

10.Nc3 c6 11.Ba3 d6 12.Nf3 a5 (12...d5 13.Be7 (13.ed5 Nf5 14.Qf2 Qa5 15.Qc5 Qc5 16.Bc5-/+) 13...Qe7 14.ed5 Bf5 15.Bb3 Bf8 16.0-0-/+; 12...b5 13.Bb5 (13.Bb3 Na6 14.Bc1 d5 15.fg6 b4 16.gh7-/+; 13.Be6 Be6 14.fe6 Na6 15.Rb1 Rb8 16.Bc1-+; 13.Bd3 a5 14.Nd1 Na6 15.Nf2 Nb4 16.0-0-/+; 13.Be2 a5 14.Bb2 d5 15.fg6 b4 16.Na4-/+) 13...cb5 14.Nb5 0-0 15.Nd6 Nbc6 16.Nh4-/+) 13.Bd3 (13.Bb3 b5 14.Nd1 b4 15.Bb2 d5 16.fg6-+; 13.Ne2 b5 14.Be6 Be6 15.fe6 Na6 16.d4-/+; 13.Rb1 b5 14.Bb5 cb5 15.Nb5 Ra6 16.fg6-/+; 13.Be6 Be6 14.fe6 b5 15.Bb2 Na6 16.0-0-+; 13.Bb2 d5 14.Be2 de4 15.Ne4 Bf5 16.d3-+) 13...b5 14.Nd1 (14.Bb2 Na6 15.0-0 Nc5 16.Nh4-+) 14...b4 (14...Na6 15.Nf2-/+ Nb4 16.0-0-/+) 15.Bb2 Ba6 16.Ne3 (16.Ba6-/+) 16...d5 17.h4 (better is 17.fg6!? hg6 18.Nf5 gf5 19.Qg7-/+) 17...Bd3-+ 18.cd3 d4 (18...Nd7 19.Rc1-+) 19.Nc4-/+ Rg8 (19...a4-/+) 20.Qh3 (20.fg6!? Ng6 21.h5-/+) 20...gf5-+ 21.ef5 (21.g4 f4-+) 21...Nd5 22.g3 Na6 23.Qg4 Nc5 24.Ke2 Kf8 25.Rac1 Qe7 26.Ne1 (26.Qh5 h6-+) 26...Bh8 (26...a4 27.Rb1-+) 27.Qh3 (27.Qf3 a4-+) 27...h5 28.Rh2 Na4 (28...a4 29.a3-+) 29.Kf1 Qd7 30.Ba1 Rg4 0–1. Roczniak,Jan – Karwcewicz,L, corr Poland, 1979.

10.Nc3 c6 11.Ba3 d6 12.fg6 A) 12...hg6 13.Nf3 (13.Be2 Be6 14.Qd3 c5 15.Rb1 Qd7 16.Nf3-/+; 13.Rb1 b5 14.Bb5 cb5 15.Nb5 0-0 16.Nd6-/+; 13.Bb3 b5 14.Bb2 Na6 15.Nf3 b4 16.Na4-/+) 13...a5 14.Rb1 b5 15.Bb5 cb5 16.Nb5+=; B) 12...Ng6 13.Rb1 Bf8 14.Nf3 b5 15.Bb3 a5 16.Nh4-/+.

10.Nc3 d5 11.Nd5+= Nd5 12.Bd5 c6 13.Bc4 Bh6 14.Nf3 b5 A) 15.Qh4 A1) 15...Bf4 16.Bd3 (16.Bb3 gf5 17.Qh5 Kd7 18.Qf5 Kc7 19.Qh5+/-) 16...Qe7 17.a4 b4 18.g3 Bg5 19.Ng5+/-; A2) 15...Bg7 16.Bb3+= Na6 17.d4 ed4 18.Nd4 Qa5 19.Kf2+=; B) 15.Bd3 B1) 15...Bf4 16.Qh4 Qe7 17.a4 ba4 18.g3 Bg5 19.Ng5+=; B2) 15...gf5 16.Qh4 Bg7 17.Qh5 Kd7 18.Qf5 Kc7 19.Qh5+/-; B3) 15...Qc7 16.Ne5 (16.fg6 Bf4 17.Qh4 Qg7 18.Qf2 hg6 19.a4=; 16.a4 ba4 17.Ra2 Qg7 18.Ne5 gf5 19.Nc4+=; 16.Qh3 Bf8 17.a4 ba4 18.Bc4 Bc5 19.g4=) 16...gf5 17.ef5 Qe7 18.Kd1 fe5 19.Be5+-; B4) 15...Rg8 16.Qh4 (16.Qh3 Bf8 17.Qh7 Rg7 18.Qh8 gf5 19.Ba3+/-) 16...Bf8 17.Qh7 Rg7 18.Qh8 gf5 19.Ba3+/-; B5) 15...Nd7 16.fg6 Qe7 17.a4 Nc5 18.ab5 Nd3 19.cd3+=; C) 15.Bb3 gf5 16.Qh4 (16.Qh3 fe4 17.Qh5 Kd7 18.Ne5 fe5 19.Qh3+=) 16...fe4 17.Qh5 Kd7 18.Ne5 fe5 19.Qh6+=; D) 15.Be5 D1) 15...gf5 16.Bb3 (16.Bb8 fe4 17.Bc7 Qe7 18.Bd6 Qg7 19.Bb3+=; 16.Bc7 Qe7 17.Bb8 fe4 18.Bd6 Qg7 19.Bb3+=) 16...fe4 17.Bb8 ef3 18.0-0-0 Qd7 19.Bc7+-; D2) 15...Na6 16.Bb3 gf5 17.Qh4 Bd2 18.Nd2 fe5 19.Qh5+/-.

10.Nc3 d5 11.Nd5+= Nd5 12.Bd5 c6 13.Bc4 Bh6 14.Nf3 gf5 15.Qh3 (15.Qh4 Bf4 16.Qh5 Kd7 17.Qf5 Kc7 18.Qh5 Qd6 19.g3+/-) 15...Bf8? (15...Bf4 16.Qh5 Kd7 17.Qf5 Kc7 18.Qh5+/- b5 19.Bf7+/-) 16.ef5?? (better is 16.Ne5 fe5 17.Qh5 Kd7 18.Qf5 Kc7 19.Qe5 Bd6 20.Qh8 Qh4 21.Kd1 Qe4 22.Qg7 Bd7 23.d3 Qg4 24.Qg4 Bg4 25.Kd2+-) 16...Qe7 (16...Qd6 17.Bc3+=) 17.0-0-0 Qg7? (better is 17...Qb4!? 18.Be6 Be6 19.fe6 Be7+/-) 18.Rhe1+- Nd7 19.d4 Bd6?? (19...Qh6 20.Qh6 Bh6 21.Kb1 b5+-) 20.de5 Be5 21.Qh5 (better is 21.Ne5 Qg5 22.Kb1 fe5 23.Be5+-) 21...Kf8 (21...Kd8 22.Ne5 Kc7+-) 22.Ne5 fe5 23.Rd7! Bd7 (23...Bd7 24.Ba3; 23...Qd7 24.Ba3) 24.Ba3 c5 25.Bc5 Qe7 26.Qf7 1–0. Otto,Wilhelm – Winkler, corr DDR, 1982.

10.Nc3 d6 11.Nf3 Bd7 12.h4 c6 A) 13.Rb1 b5 (13...Bh6 14.Ba3 b5 15.Bb3 Bc8 16.Nh2 Na6-/+; 13...d5 14.ed5 Bf5 15.dc6 Nbc6 16.Ba3 e4-/+) 14.Bb3 b4 15.Ne2 d5 16.d3 a5-/+; B) 13.Rf1 d5 (13...Bh6 14.fg6 hg6 15.Ba3 b5 16.Bb3 Qc7-/+; 13...b5 14.Bb3 Bh6 15.fg6 hg6 16.Ne2 Qc7-/+; 13...Qc7 14.fg6 hg6 15.a4 f5 16.Rb1 Rh6-/+) 14.ed5 Bf5 15.dc6 Nbc6 16.d3 Rc8-/+; C) 13.Be6 Bh6 (13...Be6 14.fe6 Qc8 15.Qh3 f5 16.Ng5 d5-/+) 14.Qg4 b5 15.a3 Na6 16.Rb1 Nc5-/+; D) 13.Ba3 d5 14.ed5 Bf5 15.dc6 bc6 16.0-0-0 Qa5-/+; E) 13.fg6 hg6 14.h5 b5 15.Bb3 a5 16.a4 b4-/+.

10.Nc3 d6 11.Nf3 Bd7 12.h4 Bh6 13.Ng5 (13.fg6 Ng6 (worse is 13...hg6 14.Nd5+= Bg7 15.Ne7 Qe7 16.Qg6 Kd8+=) 14.Qf2 (14.Ne2 Nc6 15.Qf2 Na5 16.Bd3 Rg8-/+) 14...Rf8-/+ 15.h5 Ne7 16.d4 Nbc6-/+) 13...fg5 14.hg5 Bf5 (14...Bf8!? 15.f6 Bc8+= 16.Qf3 h5=) 15.Rh6 (15.gh6 Bc8= 16.0-0 c6+=) 15...Bc8 (15...Nbc6 16.ef5 Nf5 17.Qh3 Nh6 18.gh6=) 16.Qh4 (16.0-0-0 c6=) 16...c6 (16...Rf8=) 17.Rh7 Rf8? (17...Rh7!? 18.Qh7 Bg4+=) 18.0-0-0 (18.Qh6 Qb6 19.0-0-0 Qb4+-) 18...Nd7 (18...b5 19.Bf7! Rf7 20.Rh8 Kd7 21.Rd8 Kd8+-) 19.Rh8+- d5 20.ed5 Nb6 (20...Nf5 21.Qh7 Qe7 22.Qg6 Kd8 23.dc6 bc6 24.Rf8 Nf8 25.Qc6 Bb7+-) 21.Rf8 (21.Rf8 Kf8 22.Qh8 Kf7 23.Qd8 Nc4 24.Rh1+-) 1–0. Roczniak,Jan – Sierka, corr Poland, 1980.

10.Nc3 d6 11.Nf3 Bd7 12.Nh4!?= A) 12...Nbc6 13.fg6 Nd4 14.0-0-0 Bc6 15.Nd5 Bd5 16.ed5 hg6+/-; B) 12...Qc8 13.fg6 (13.Rc1 b5 14.Bd5 Nd5 15.Nd5 g5 16.c4 bc4+=) 13...Kd8 (13...a6 14.Nd5 Nbc6 15.0-0 Be6 16.Bc3 Kd8+/-; 13...c6 14.Ba3 Qc7 15.gh7 Rh7 16.Bg8 Rh8+/-; 13...Bg4 14.h3 Bd7 15.gh7 Rh7 16.Nd5 Nbc6+=; 13...Nbc6 14.gh7 Rh7 15.Nd5 Kd8 16.0-0 Nd5+=) 14.gh7 Rh7 15.Nf3 Nbc6 16.Nd5 a6+=; C) 12...g5 C1) 13.0-0 c6 (13...b5 14.Bb3 b4 15.Nd5 Bb5 16.Rf2 Nd5+=; 13...Nbc6 14.Nf3 Na5 15.Be2 h5 16.Rab1 g4=) 14.Rf2 Qa5 15.Bb3 d5 16.Raf1 Na6+=; C2) 13.Rb1 c6 (13...Nbc6 14.0-0 Nd4 15.Bd3 h5 16.Nd5 Rg8+=; 13...Bc6 14.0-0 d5 15.ed5 Nd5 16.Bd5 Bd5+=) 14.Ba3 b5 15.Bd3 Qa5 16.Rb3 Qc7+=.

10.d4 ed4 11.fg6 hg6 12.Bd4-/+ (12.Nd2 d6 13.Bd4 Nbc6 14.c3 Ne5 15.Be5-/+; 12.Nf3 c5 13.Qd6 Qa5 14.Nbd2 Nbc6 15.0-0-+; 12.Na3 a6 13.Bd4 b5 14.Bb3 Nbc6 15.Bb2-/+) 12...Nbc6 13.Bb2 d6 14.Nf3 Qd7 15.Ng5-/+.

10.d4 d5 11.de5 fe5 (11...dc4?! 12.ef6 Bf6 13.Bf6+= Rf8 14.Bg7 Rf7 15.f6+=; 11...Nd7 12.Bd5 (12.ef6 Bf6 13.Bf6 Nf6 14.Bd5 Ned5 15.ed5+=) 12...Nd5 13.ed5 Ne5 14.fg6 Qd5 15.Nc3+=; 11...Nf5 12.ef5 (12.Bb5 c6 13.ef5 cb5 14.e6 Qe7 15.Nc3+=) 12...dc4 13.fg6 fe5 14.gh7 Qe7 15.Qg6=; 11...Rf8 12.ef6 (12.Bd5 Nd5 13.ed5 Bf5 14.Ba3 Rg8 15.Qb3+=) 12...Bf6 13.Bf6 Rf6 14.ed5 Nd5 15.Qe5+=) 12.Be5 Nf5 13.ef5 Qe7 14.Bb5 (better is 14.Nf3 dc4 15.0-0-/+) 14...c6= 15.Nf3 Nd7 (15...cb5?! A) 16.fg6?? Nc6 17.Kd1 Ne5-+ (17...Be5?! 18.Ne5 Ne5 19.Re1+=); B) 16.Nc3 Be5 17.Ne5 Bf5 18.Nd5=) 16.Be2?? (better is 16.Kd1 Ne5 17.Re1=) 16...Ne5-+ (16...Be5?! 17.Ne5 Qe5 18.Qe5 Ne5 19.fg6 hg6 20.0-0-+) 17.Nd4 Bf5 18.Nf5 gf5 19.0-0 0-0 20.Nd2 f4! 21.Qh3 (21.Rf4 Qc5) 21...f3! (21...f3 22.Bf3 Nf3 23.Nf3 Ba1 24.Ra1 Rae8-+) 0–1. Pathe,G – Harju,Antero, corr ICCF–Cup1, 1967.

10.fg6 hg6 11.Nc3 c6 12.Ba3 d6 13.0-0-0 (13.Qd3 b5 14.Bb5 (14.Nb5 cb5 15.Bb5 Bd7 16.Bd6 Bb5 17.Qb5 Nd7-+; 14.Bb3 a5 15.Qd6 Qd6 16.Bd6 a4 17.Ba4 ba4-+) 14...cb5 15.Nb5 0-0 16.Qc4 d5 17.ed5 Qd5-/+) 13...b5 (13...a5 A) 14.Bb2 b5 15.Be2 d5 16.ed5 b4 17.Ne4 Qd5-+; B) 14.Qd3 Bg4 (14...b5 15.Bb5 cb5 16.Nb5 Be6 17.Qd6 Qd6-+) 15.Qd6 Qd6 16.Bd6 Bd1 17.Kd1 b5-+; C) 14.Bf1 b5 15.Bb2 d5 16.d4 ed4 17.Nce2 c5-+; D) 14.Bd3 b5 (14...Be6 15.Bb2 b5 16.Kb1 Nd7 17.Be2 a4-+; 14...Rh6 15.Nf3 b5 16.Bb2 Be6 17.Kb1 Nd7-+; 14...Rh7 15.Nf3 b5 16.Bb2 Be6 17.Kb1 Nd7-+; 14...Na6 15.Ba6 Ra6 16.Qd3 d5 17.Rf1 de4-+) 15.Bb2 Be6 16.Kb1 Nd7 17.Be2 a4-+; E) 14.Be2 b5 15.Bb2 d5 16.ed5 b4 17.Ne4 Qd5-+) 14.Bb5 (14.Be2 A) 14...a5 15.Bb2 d5 (15...b4-/+ 16.Na4 Nd7 17.Nf3 Bh6-+) 16.ed5 b4 17.Na4 cd5-+; B) 14...a6 15.Bg4 Bg4 16.Qg4 a5 17.Nce2 b4-+; C) 14...Na6 15.Qf2 b4 16.Ba6 Qa5 17.Nb1 Ba6-+) 14...cb5 15.Nb5 Be6 (15...0-0 16.Bd6 Nbc6 17.Qb3 Kh7-+) 16.Bd6 (16.Nd6 Kf8 17.c4 Kg8-+) 16...Na6 (16...Nbc6 17.Nc7 Kf7 18.Qa3-+) 17.Be7 Ke7?? (better is 17...Qe7 18.Qg6 Kd7-+) 18.Qa3+= Nb4 (18...Kf7 19.Qa6 Qb6 20.Qb6 ab6 21.Nc3+=) 19.Qb4+/- Kf7 20.Qc5 (better is 20.Nf3!?+/-) 20...Bf8= 21.Qc7 (21.Qc6 a6 22.Qc7 Qd7 23.Qd7 Bd7-+) 21...Qc7+= 22.Nc7 Rb8 (22...Ba3 23.Kb1+=) 23.Rf1 (23.Re1 Ba2 24.Kd1 Bc5-/+) 23...Ba2-/+ 24.Kd1 Rb1 25.Ke2 Rf1 26.Kf1 Bb1 (26...Bh6 27.d3-/+) 27.Ke2 Bc2 28.d3 Bd6 29.Nb5 (29.Nd5 Bb3-/+) 29...Bc5 (29...Rd8 30.Kd2 Bb1 31.Nd6 Rd6 32.Nf3 Bd3 33.Ra1 Bb5 34.Ke3 Rd3 35.Kf2-+) 30.Nh3 (30.Kd2!? Bb3 31.Nf3-/+) 30...Rd8-+ 31.Nf2 a6 (31...Bf2 32.Kf2 Rd7 33.Ra1 Bd3 34.Na7 Be4 35.Nc8-+) 32.Nc7 (32.Rc1 ab5 33.Rc2 Bf2 34.Kf2 Rd3 35.Rc7 Ke6-/+) 32...Bf2-+ 33.Kf2 Bd3 34.Rd1 Rc8 35.Rd3 Rc7 36.Rd6 (36.Ra3 Rc6-/+) 36...Ra7-+ 37.h3 a5 38.Rd3 a4 39.Ra3 Ke6 40.Ke3 Kd6 41.Kd3 (41.h4 f5-+) 41...Kc5 42.Kc3 Kb5 43.g4 (43.Kb2 Kc4-+) 43...Rc7 (better is 43...g5-+) 44.Kd3? (44.Kb2 g5-+) 44...Rc4 (better is 44...Kb4 45.Ra1 Rc3 46.Kd2 Rh3 47.Rb1 Kc4-+) 45.Rc3?? (45.Ra1 g5 46.Rf1-+) 45...Rc3 46.Kc3 g5 (46...g5 47.Kc2 Kc4-+) 0–1. Fernandez Russo – Cembran, corr, 1985.

10.fg6 hg6 11.Nc3 Nbc6 12.Nf3 Nd4?? 13.Nd4+- ed4 14.Nd5 g5?? (better is 14...d6 15.Bd4 Rf8+-) 15.Nc7 Kf8 16.Qd6 (16.Qd6 b5 17.Bd5+-) 1–0. Luzuriaga,Norberto Horacio – Cembran, corr, 1985.

7.f4 h5

8.fe5 fe5 9.Qg3 (9.Qd8 Kd8 10.Nf3 d6+=) 9...Qf6+= 10.Nf3 The pressure on e5 grows 10...h4 (10...d6!?+=) 11.Be5= hg3 (11...Ne5!? 12.Qe5 Qe5 13.Ne5 g5+=) 12.Bf6+/- Rh5 13.h3 Be7 14.Be7 Ke7 (14...Ne7 15.Nc3+/-) 15.Nc3 Nb4 16.Bb3 c6 (16...d6 17.a3 N4c6 18.Rf1+/-) 17.Ne2 (17.a3 N4a6+-) 17...d6 (17...d5 18.ed5 Nd5 19.0-0+-) 18.Ng3 (18.a3 Ra5 19.Nh4 g5 20.Ng6 Kf6+-) 18...Rh8 (18...Rc5 19.Nd4+-) 19.0-0 (better is 19.Rb1+-) 19...Kf6? (19...Nd7 20.d4+-) 20.Rae1 (better is 20.c3!? N4a6 21.Ne5 Kg7+-) 20...Kg7 (20...a5 21.e5 Kg7 22.ed6+-) 21.Ng5 Nd7 (21...Rf8 22.a3 N4a6 23.Nf7+-) 22.Nf7 (22.Nf7 Rf8 23.Nd6+-; 22.a3 Na6 23.Nf7 Rf8 24.Nd6 Ndc5+-) 1–0. Friberger,Torbjorn – Johansson,Geije, corr SSKK 2–774, 1993.

8.fe5 Ne5 9.Be5 fe5 10.Nf3-/+.

8.Nf3 Na5 9.Be2 d6=.

8.Nf3 d6 9.0-0 (9.Nc3 Nd7 10.Nd5 Bc5=) 9...Bg4 10.fe5 (better is 10.c3 Ba5 11.fe5 Bb6 12.Kh1 de5 13.Na3=) 10...fe5 (better is 10...de5!? 11.Nc3 Bf3=) 11.Ng5+/- Na6 (11...Bc5 12.Kh1 Na5 13.Bf7 Kd7+/-) 12.Bf7 (better is 12.h3!? Nc5 13.g3 (13.hg4?! Ne4 14.Bf7 Kd7 15.Be6 Ke8 16.Bf7 Kd7 17.Be6 Ke8 18.Bf7 Kd7=) 13...Ne4 14.Ne4 Qh4 15.gh4 Bh3 16.Rf2+/-) 12...Kd7+= 13.Bg6 (13.h3 Bc5 14.Kh2 Kc8+=) 13...Bc5 (13...Nc5 14.Bf5 Bf5 15.Rf5+= (worse is 15.ef5 Qf6+=)) 14.Kh1+= Nd4 15.Rf7 (15.Nc3 Ne6 16.Bf5 Bf5 17.Rf5 Kc6+=) 15...Kc8 (15...Kc6!? 16.Nc3 Ne6+=) 16.Nc3+= b6 (16...Be6!? 17.Rh7 Rh7 18.Bh7 Bg4+=) 17.Nd5+/- Kb7 (17...Ne6 18.Re7 Ng5 19.Qg5+/-) 18.c3 (better is 18.Bd4!? Bd4 19.Raf1 Be6+-) 18...Ne6+/- 19.Nf3 (better is 19.Re7!? Nf4 20.Nf7 Ng6 21.Nd8 Rad8 22.Qg5 Ne7 23.Ne7+-) 19...Bf3 20.Qd8 Bg2 21.Kg2 Rad8 22.d4?? (better is 22.Rf6 Ng5 23.d4=) 22...ed4 (22...ed4 23.Rf6 dc3 24.Bc3 Nd4-/+) 0–1. Trkn – kevinanderton, itsyourturn.com, 2000.

6.Qh4 d5

7.Bd5 Nd5 8.ed5 Be7 9.Nc3=+.

7.Qh6!?

7.Bb3 0-0

8.ed5 Nd5?? 9.Qb4+- Be6 (9...Nc6 10.Qa4 Be6+-) 10.Qb7 Qd6 (10...Qd7 11.Qa8 c5+-) 11.Qa8 Nc6 12.Qb7 Rb8 13.Qa6 Ndb4 14.Qa3 Nd4 15.Bd4 ed4 (15...Nc2 16.Bc2 Rb1 17.Bb1 Qa3 18.Bc3+-) 16.Kf1 a5 (16...c5 17.d3 Bb3 18.Qb3 Nd5 19.Qa3+-) 17.c3 Qa6 18.Ne2 Nd3 (18...Nc2 19.Bc2 d3 20.Bd1 de2 21.Be2+-) 19.cd4 Bb3 (19...Nf4 20.Nbc3 Rb4 21.Be6 Ne6 22.Nd5 Rd4 23.Nf6 Kf7 24.Nh7 Rd2 25.Qf3 Kg8 26.Nf6 Kg7 27.Re1+-) 20.ab3 Nf4 (20...Qe6 21.Qa5 c6 22.Nbc3 Qb3 23.h4+-) 21.Nbc3 Qd3 (21...Ne2 22.Ne2 Re8 23.Re1+-) 22.Qa5 Re8 23.Qa6 Qf5 24.Nf4 Qf4 25.Nd5 Qd2 26.Nf6 Kf7 27.Ne8 Ke8 28.Qe6 Kf8 29.Qf6 Ke8 30.Ra8 Kd7 31.Rd8 1–0. Pierre – Dwapta, internet, 2019.

8.ed5 Qd6 A) 9.Nf3 A1) 9...b6 10.0-0 Na6 (10...Ba6 11.Re1 Nd7 12.Bc3 Bc3 13.Nc3 Nf5 14.Qg4 Nc5) 11.c3 Nf5 12.Qc4 b5 13.Qe2 e4 14.Qe4 Ba5; A2) 9...Bd7 10.0-0 (10.a3 Ba5 11.Bc3 Nf5 12.Qe4 Bc3 13.Nc3 Na6 14.Qe2 Nc5) 10...Na6 11.Nc3 Bc3 (11...Nf5 12.Qc4 Qb6 13.Qe2 Nc5 14.Ne4 Ne4) 12.Bc3 g5 13.Ng5 (13.Qh5 Be8 14.Qh6 Bg6) 13...fg5 14.Qg5 Ng6; A3) 9...Na6 10.0-0 Bd7 11.Re1 (11.Rd1 Nf5 12.Qe4 Bc5 13.Nc3 Bd4 14.Qe2 Bc3) 11...Rad8 12.c3 (12.Nc3 Bc3 13.Bc3 Nf5 14.Qc4 b5) 12...Nf5 13.Qc4 b5 14.Qf1 (14.Qe2 Ba5) 14...Ba5; A4) 9...Nd7 10.0-0 Nb6 11.a3 (11.Nc3 Bc3 12.dc3 g5 13.Qh5 Bf5 14.c4 Qb4) 11...Ba5 12.Nc3 (12.d4 Nf5 13.Qe4 ed4 14.Nd4 Bd7) 12...Bc3 (12...Ned5 13.d4 Bc3 14.Bc3 ed4) 13.dc3 Nd7 (13...g5 14.Qh5 Bf5) 14.Nd2 Nc5; B) 9.Ne2 B1) 9...c6 10.dc6 (10.a3 Bc5 11.dc6 Kg7 12.Nbc3 Nf5 13.Qc4 Qc6 14.0-0 Nd6) 10...Kg7 (10...Kh8 11.a3 Bc5 12.Nbc3 Nbc6 13.Ne4 Nf5 14.Nd6 Nh4) 11.a3 Ba5 12.cb7 Bb7 13.Qa4 Bb6 14.Qb4 Qd7; B2) 9...Nf5 10.Qc4 b5 11.Qe4 Nd7 12.0-0 a5 13.Nbc3 Nc5 14.Qf3 Bd7; B3) 9...Na6 10.0-0 (10.Nbc3 Nf5 11.Qc4 Bd7 12.Ng3 Ng3 13.hg3 Nc5 14.0-0 a5) 10...Nf5 11.Qc4 Qb6 12.Nbc3 Nd6 13.Qh4 Nc5 14.d3 Nf5+= (14...Bd7).

8.ed5 Bd6 9.Nc3 A) 9...Nf5 10.Qc4 Nd7 11.Nf3 Nc5 (11...Nb6 12.Qe4 Nd7 13.0-0 Nc5 14.Qe2 b6) 12.0-0 b6 13.Rfe1 (13.Nb5 Ba6 14.a4 Qd7) 13...Ba6 14.Nb5 Qd7; B) 9...Na6 10.Nf3 Nc5 11.0-0 Nf5 12.Qc4 b6 13.Rfe1 Ba6 14.Nb5 Qd7; C) 9...Bd7 10.Nf3 a5 (10...Na6 11.0-0 b5 12.Ne4 Nf5 13.Qh3 Ne3 14.Qh6 Nf1) 11.0-0 Nf5 12.Qe4 Na6 13.Qe2 Nc5 14.Bc4 (14.Ne4 Re8) 14...Re8; D) 9...Rf7 10.Nf3 Nd7 (10...Na6 11.Qc4 Nc5 12.0-0 a6 13.d4 b5 14.Qe2 Nb3) 11.0-0 Nc5 12.Qc4 a6 13.d4 b5 (13...ed4 14.Nd4 b5) 14.Qe2 Nb3; E) 9...Nd7 10.Nf3 Nc5 11.0-0 Nf5 12.Qc4 b6 13.Nb5 (13.Rfe1 Ba6 14.Nb5 Qd7) 13...a6 (13...Bb7 14.Nc3 Ba6) 14.Nd6 Nd6= (14...cd6).

8.ed5 Bd6 9.Nf3 g5 (9...Nf5 10.Qc4 (10.Qe4 Nd7 11.Nc3 Nc5 12.Qc4 Nd4 13.Nd4 ed4 14.Qd4 Re8) 10...b5 11.Qb5 Nd7 12.Nc3 Nc5 13.Na4 Bd7 14.Qc4 Na4) 10.Qc4 Nd7 11.Nc3 Nb6 12.Qe2 Ng6 13.0-0 Nf4 (13...g4 14.Ne1 Nf4) 14.Qe4 (14.Qe3 g4) 14...Qd7 (14...g4+=) 15.g3 Qg4 16.d3 Bf5 17.Qe3 Qh3 18.Ne1 (worse is 18.gf4 gf4 19.Qe2 Bg4-/+) 18...Kh8 19.a4 (19.gf4? gf4 20.Qh3 Bh3-+) 19...Rg8 20.a5 Nd7 21.Ba3 Rg6 22.f3 g4 23.Ne4 (23.gf4?? gf3 24.Kf2 Qh2 25.Ng2 Qg3 26.Kg1 Qg2) 23...gf3 24.Rf3 (24.Qf3 Bg4 25.Qf2 Ba3 26.Ra3 Ne2 27.Kh1 f5-+) 24...Be4 (24...Ba3 25.Ra3 Bg4 26.Nf2+=) 25.de4 (worse is 25.Qe4 Nc5 26.Qe3 Nb3 27.cb3 Ba3 28.Ra3 Nd5-/+) 25...Rh6 26.Qd2 Ba3 27.Ra3 (27.gf4 Bc5 28.Qe3 Rg8 29.Kf2 Qh2 30.Kf1 Be3 31.Ng2 Qg2 32.Ke1 Qd2 33.Kf1 Rh1) 27...Nc5 (better is 27...Rg6+/-) 28.Re3 (28.gf4 Rg8 29.Kh1 Ne4 30.Rh3 Rh3 31.d6 Rb3 32.Qg2 (32.Rb3?! Nd2 33.Rb7 cd6=; worse is 32.cb3 Nd2 33.a6 b6-/+) 32...Rg2 33.Rb3-+) 28...Qg4= (28...Nb3? 29.Rab3 (29.cb3?! Rg8+/-) 29...Rg6 30.Rb7+-) 29.Kf1 Rg8 (29...Nb3? 30.Rab3 (30.cb3?! Qh3 31.Kg1 a6+=) 30...Qh3 31.Kg1+-) 30.Qf2 Qh3 (worse is 30...Nb3 31.Rab3 (31.gf4?? Nd2 32.Qd2 Qg1 33.Ke2 Rh2 34.Kd1 Rd2 35.Kd2 ef4-+) 31...Qh3 32.Ng2+=) 31.Kg1 Qg4 (31...Rg3 32.Qg3 Rg6 33.Bc4+=) 32.Kf1= f5 33.d6 Rf8 34.gf4 Ne4 35.Qe2 Qf4 36.Nf3 Rd6 0–1. marekt – bulent_2010, chessworld.net, 2011.

7.Bb3 Bc5

8.Nc3 A) 8...c6 9.Na4 (9.Qf6 Rf8 10.Qe5 Bf2 11.Ke2 Bh4 12.Rf1 Bg4 13.Nf3 d4+=) 9...Bb6 10.Nb6 Qb6 11.f4 Qb4 12.fe5 f5 13.Ne2 Qe4+=; B) 8...d4 9.Nce2 (9.Nd1 Qd6 10.Nf3 Nbc6 11.0-0 h5 12.Qg3 g5 13.Ne1 h4-/+) 9...Qd6 10.Nc1 a5 11.Nd3 a4 12.Bc4 Qc6 13.Nc5 Qc5-/+.

8.ed5 Nd7 9.Qa4 Bd6 10.Ne2 0-0 11.d4 Re8 12.0-0 e4 13.c4 Nb6=.

8.ed5 Nd7 9.Nc3 Nf5 (9...Bd4 10.Nf3 Nf5 11.Qe4 Nc5+=) 10.Qa4 0-0 (10...Nd4 11.Nge2 a6=) 11.Nf3 (11.d6 Kh8= (11...Kg7 12.dc7 Qc7+=)) 11...Nd6+= 12.0-0 a5 (12...e4 13.Ne4 Nb6 14.Bf6 Na4 15.Bd8 Ne4 16.Bc7=) 13.Qh4= g5 14.Qh5 Nb6 15.a4 Bf5 16.d4 (16.d3 Qd7 17.Ne4 Be4 18.de4 Ne4 19.d6 Kg7=) 16...ed4-/+ 17.Ne2 Bg6 (17...d3 18.Ned4 Bg6 19.Qh3 Bd4 20.Nd4 dc2 21.Qc3+=) 18.Qh3+= d3 19.cd3 Qd7 20.Qd7 (20.Qe6 Qf7+=) 20...Nd7 21.Ned4 g4 22.Nh4 (22.Nd2 Bd4 23.Bd4 Rfe8=) 22...Bd3 23.Rfd1 Bc4 24.Bc4 Nc4 25.Bc3 Bd4 26.Rd4 Nde5 27.Nf5 h5 28.Ng3 c5 (28...h4 29.Nf5 Rad8 30.Rb1=) 29.dc6 bc6 30.Nh5 f5 31.Re1 Rab8 (31...Rad8 32.Rf4 Rd3 A) 33.Re5?? Ne5 (33...Rc3?! 34.Re1+=) 34.Be1 Rd1-+; B) 33.Be5 Ne5 34.Ng3+=) 32.Rdd1 (32.Kf1!?+=) 32...Rbe8= 33.Kf1 Re7 34.Ng3 f4 35.Ne4 Rh7 36.Nd6 (36.Kg1 Rd7+=) 36...Rh2= 37.Kg1 (37.Re5? Rh1 38.Ke2 f3 39.gf3 gf3 40.Kd3 Ne5 (40...Rd1?! 41.Kc4 Rd6 42.Ra5-/+) 41.Kd2 Rd1 42.Kd1 Nd3-+) 37...Rh5 38.Nc4 Nc4 39.Re7 Rg5 40.Rdd7 Rff5 41.Ra7 Nd6 (41...c5!?+=) 42.Rh7+/- Rh5 43.Rhg7 Kf8 44.Ra8 Ne8 45.Rg4 (45.Rg4 Kf7 46.Ra7 Ke6 47.Rg6 Kd5 48.Rd7 Kc4 49.Rc6 Rc5 50.Rc5 Rc5 51.Bd2+/-) 1–0. pierred (2645) – higarra (2500), net–chess.com, 2008.

8.ed5 Nd7 9.Nf3 Nf5 10.Qa4 0-0 11.0-0 Nb6 12.d6 Kg7 13.dc7 Qc7=.

8.ed5 Nd7 9.Nf3 Nf5 10.Qa4 0-0 11.d6 Kg7+=.

8.ed5 Nf5 9.Ba4 c6 10.Qe4 Qb6 11.dc6 Bf2 12.Kf1 Kf8 13.Bb3 Nc6-/+.

8.ed5 Nf5 9.Qc4 Nd7 10.Nf3 Nd6 11.Qe2 0-0 12.0-0 Re8 13.Re1 a5+=.

8.ed5 Nf5 9.Qc4 Nd7 10.Nf3 Nd6 11.Qh4 h5+=.

8.Ne2 c6 (8...de4 9.Qe4 (9.0-0 Qd6 10.Qe4 Nbc6 11.Qc4 Kd8 12.Qf7 g5 13.Nec3 f5+=) 9...Nec6 10.Qc4 Qe7 11.Nbc3 Nd7 12.Nd5 Qd6 13.Ndc3 Na5+=; 8...Qd6 9.ed5 (9.Bd5 Nd5 10.ed5 0-0 11.Nbc3 Bf5 12.d3 Na6 13.a3 c6+=) 9...Nd5 10.0-0 g5 11.Qh6 Bg4 12.Ng3 Qb6 13.Qg7 Rf8+=) 9.0-0 (worse is 9.Qf6 Rf8 10.Qe5 Bf2 (10...Nd7 11.Qg7 Bf2 12.Kd1 de4 13.Qh7 Nf6+=) 11.Kd1 Nd7-/+ 12.Qg7 de4 13.Qh7 Nf6+=; 9.d4 ed4 10.Nd4 0-0 11.0-0 a5 12.a4 f5 13.Nd2 Na6=) 9...0-0 (9...Nd7 10.d4 Bd6 11.Nbc3 Qb6 12.Rad1 ed4 13.Nd4 c5=) 10.d4 ed4 (10...Bd6 11.Nd2 b6 12.c4 Be6 13.cd5 cd5=) 11.Nd4 (11.Bd4 Bd4 12.Nd4 f5 13.ed5 Nd5=) 11...a5 12.a4 Na6 (12...f5 13.Nd2 b6=) 13.ed5 (13.Nd2 Kg7=) 13...Nd5 14.Nc3 Nab4 15.Ne4 Be7 16.c4 Nb6 17.Rad1 Qc7 18.Rfe1 f5? (better is 18...h5+/-) 19.Ng5+- Bf6 (19...Rf7+-) 20.Nb5! Bg5 (20...cb5 21.c5 Double attack) 21.Qg5 (21.Qg5 Qf7 22.Re7+-) 1–0. gambitqueen17 (2350) – marekt (2170), gameknot.com, 2014.

8.f3 A) 8...Qd6 9.ed5 (9.Nc3 c6 10.Qh6 Be6 11.Qg7 Rf8 12.Qh7 Nd7 13.Rb1 d4-/+) 9...0-0 10.Nc3 Nf5 11.Qc4 Na6 12.Ne4 Qb6 13.Nc5 Nc5+=; B) 8...Nd7 9.ed5 (9.Bd5 Nd5 10.ed5 Nb6 11.Nc3 Bf5 12.d3 Be7 13.g4 Bc8-/+) 9...Nf5 10.Qa4 0-0 11.d6 Kg7 12.dc7 Qc7 13.Qe4 Bd4-/+.

8.f4 A) 8...Rf8 9.ed5 (9.Nc3 d4 10.Nd5 Nd5 11.Bd5 c6 12.Bb3 Qe7 13.Nf3 Nd7-/+) 9...ef4 10.Nc3 Bf5 11.Qf4 Nd7 12.Nb5 Rc8 13.g4 a6=; B) 8...Qd6 9.fe5 (9.ed5 Qb6 10.fe5 Bg1 11.ef6 Rf8 12.Kd1 Bf2 13.g3 g5=) 9...fe5 10.ed5 Nf5 11.Qc4 Nd4 12.Nc3 Bf5 13.Nb5 Qe7=.

8.Qf6? Rf8 9.Qg5 Bf2 10.Ke2 de4-+.

7.Bb3 Qd6

8.ed5 0-0 9.a3 Bc5 10.Nc3 Nf5 11.Qc4 Na6=.

8.ed5 Nd7=+.

8.Ne2 Nbc6 9.Nbc3= d4 10.0-0-0? (better 10.Nb5 Qd7 11.Qf6=) 10...a6 (10...Na5 11.Ba4 c6 12.Nb1-+) 11.Nd5 Nd5 12.Bd5 Ne7 13.f4 (13.Bb3!? a5-+) 13...Nd5 14.fe5 (14.ed5 0-0 15.c3 Ba3 16.fe5 fe5-+ (16...Qe5? 17.Ba3 Rf7 18.Nd4+-)) 14...fe5 (14...Qe5?! 15.ed5 0-0 16.Qd4 Qe2 17.Qb4 Qg2 18.Qb3=+) 15.ed5 Bf5 (better 15...Qd5!? 16.Rde1 0-0 17.a3-+) 16.Nd4 (16.Rhe1 d3 17.Ng3 0-0 18.Re5 Ba3-/+) 16...ed4-+ 17.Rde1 Kd7 18.Qd4 Rhe8 (18...Rag8 19.Qc4 Qc5 20.Qc5 Bc5 21.Rhf1-/+) 19.g4=+ Bc2 20.Kc2 Rad8 21.Re6 (21.Re8 Re8 22.Rf1 Bc5 23.Qa4 b5 24.Rf7 Kd8=+) 21...Re6-/+ 22.de6 Ke6 23.Re1 Kd7 24.Qd6 Bd6 25.h3 Rf8 26.Re3 c5 27.Kd3 b5 28.Ke2 a5 29.d3 Rf4 Black plans c4 30.Re4 (30.Rf3 Ke6-+) 30...Re4 31.de4 c4 0-1. Goeckel,Hermann - Coghini,Phil, NZCCA TT Class, 2000.

8.Ne2 de4!? 9.a3 Bc5-/+.

7.ed5 Bc5!?

8.Ne2 Nf5 9.Bb5 c6-/+ 10.dc6 bc6 (10...Nh4? 11.cb7 Bd7 12.ba8Q Bb5 13.Qe4+-; 10...Nc6?! 11.Qa4 Bd7 12.Qb3+=) 11.Qe4 Qb6 (11...Bd7!? 12.Ba4 Bf2 13.Kf2 Qb6 14.Bd4 Nd4 15.Nd4 Qd4 16.Qd4 ed4 17.Re1 Kd8-/+) 12.Be5+= Bf2 13.Kf1 0-0 14.Bc4 Kg7 (14...Kh8 15.Bc3=) 15.Bc3 Bb7 (15...Ba6 16.Na3 Bc5 17.Rb1+=) 16.d4?? (16.g4 Bh4 17.Nd4+-) 16...c5= 17.d5 Bd4 18.Nd2 (18.Nd4? cd4 (worse is 18...Nd4 19.Nd2+=) 19.Bd4 Qd4 20.Qd4 Nd4-+) 18...Ne3 (18...Nd6 19.Qd3 Be5 20.Rb1=) 19.Ke1 (19.Kg1 Nc4 20.Nd4 cd4 21.Nc4 Qd8 22.Qd4 Qd5 (22...Bd5? 23.Rd1+-) 23.Qd5 Bd5=) 19...Bc3 (19...Nc4 20.Nc4 Qd8 21.Nd4 cd4 A) 22.Bd4?? Re8 (22...Bd5?! 23.Qd3-/+) 23.Bf6 Kf6-+ (23...Qf6?! 24.Qe8 Qa1 25.Ke2=); B) 22.Qd4 Qd5 23.Qd5 Bd5 24.Ne3=) 20.Nc3 Qd8?? Will d5 fall? (better is 20...Nc4 21.Nc4 Qc7+=) 21.Qe3+- Re8 22.Nce4 f5 23.Qc3 Kh6 24.Rf1 (24.Qh3 Kg7 25.Qb3 Ba6 26.Ba6 Na6 27.Qc3 Kg8+=) 24...Qh4? (24...Bd5 25.Rf5 Qh4 26.Rf2 Be4 27.Qe3 Qg5 28.Qg5 Kg5+-) 25.Kd1+- fe4 26.Qe3 (better is 26.Rf7 Ba6 27.Ba6 Na6 28.Qe3 g5 29.Rf6 Kg7 30.Ra6 Qg4 31.Qe2+-) 26...Qg5?? (better is 26...Kg7 27.d6 Bd5 28.Qc5 Bc4 29.Qc4 Kh6+/-) 27.Rf4+- (27.Qc5?! e3 28.Nf3 Qg2+=) 27...Qh5 (27...Kg7 28.Rf7!! Kf7 29.Qg5 Kg7+-) 28.g4 Qh4 (28...Qg5 29.h4 Qh4 30.g5 Qg5 31.Rh4 Kg7 32.Qg5 h5 33.Re4 Nd7+-) 29.Rf7 (better is 29.g5 Qg5 30.Rh4 Kg7 31.Qg5+-) 29...g5 30.Qc3 Qg4 31.Be2 Qg1 32.Nf1 (32.Bf1 Qg4 33.Kc1 Re5 34.Qe5 Kh5 35.Rh7 Kg6 36.Rg7 Kh5 37.Qe8 Kh4 38.Rh7 Qh5 39.Qh5) 32...Qd4 33.Qd4 cd4 34.Rb7 a5 (34...Rd8+-) 35.Rab1 Na6 (35...Kg6 36.R1b6 Kf5+-) 36.R1b6 (36.R1b6 Re6 37.Re6) 1–0. De Visser,Arno – de Jong, 1977.

8.Ne2 Nf5 9.Qe4 Nd6 10.Qh4 0-0+=.

8.Nf3 Nf5 9.Qe4 Nd6 10.Qe2 0-0 11.Bb3 (11.d4 ed4 12.Nd4 Re8 13.Ne6 Nc4 14.Qc4 c6 15.0-0 cd5-/+; 11.0-0 Bg4 12.d3 a5 13.Nc3 Nc4 14.dc4 a4 15.Rab1 Nd7=; 11.Ba3 Ba3 (11...Nd7; 11...Bb6) 12.Na3 Bg4 13.h3 Bf3 14.Qf3 Nc4 15.Nc4 e4-/+; 11.Nc3 Nd7 (11...Bg4) 12.Na4 (12.Ne4 Nb6 13.Bb3 Ne4 14.Qe4 Bf5 15.Qh4 a5+=) 12...Nc4 13.Qc4 Nb6 14.Nb6 Bb6 15.a4 Ba5=) 11...a5 (11...Re8 12.0-0 Bg4 13.h3 Bd7 14.Re1 a5 15.a4 Bb6=; 11...Nd7 12.0-0 Re8 13.d3 Nb6 14.Nbd2 Bg4 15.h3 Bf3=; 11...Bg4 12.h3 Bd4 13.Nc3 Bf3 14.Qf3 Nd7 15.0-0 a5+=) 12.a4 (12.Nc3 Nd7 13.0-0 Bd4 14.Ba3 Bc3 15.dc3 a4+=) 12...Bg4 13.h3 Bf3 (13...Bd4 14.c3 Bf3 15.Qf3 e4=) 14.Qf3 Nd7 (14...Qd7 15.0-0 Na6=) 15.0-0 f5 (15...Bb6=) 16.Na3 Qh4 Black plans f4 17.Nb5 Rac8 18.Qe2 (18.Rae1 e4 19.Qe2 Qf4=) 18...f4+= 19.Qg4 (19.Be5 f3 (19...Ne5?! 20.Qe5 f3 21.d4 fg2 22.Kg2=) 20.Qe1 Rce8 21.Nd6 Re5-+) 19...Qg4 20.hg4 f3 21.g3 h5 (21...Rfe8!?+=) 22.gh5= Rf5 (22...gh5!? 23.d4 ed4 24.Nd4 Rf7+=) 23.hg6+/- Kg7 If Black now would get Rh8 in, he might survive 24.c4 (24.Nd6 cd6 25.c4 Rh8+=) 24...Rh8= (24...Kg6? 25.Bc2 Kg5 26.d4 ed4 27.Bf5 Kf5 28.Nd4 Bd4 29.Bd4 Nc4 30.Rfc1+-) 25.Bd1 (25.Nd6!? cd6 26.Bd1=) 25...Nc4+= 26.Nc7? (26.Bc3 c6 27.dc6 bc6 28.Nc7=) 26...Nb2-/+ 27.Ne6 Kg6 28.Bc2 If White now only could play g4... 28...Kf6 29.Bf5 Kf5 30.Rab1 Ba3 (worse is 30...Na4 31.Rb7 Nf8 32.Ra1 Ne6 33.de6=) 31.Rfe1 Nd3 (31...e4!?+=) 32.Re3= e4 33.Rb7 N7c5 34.Rf7 Ke5 35.Ng5 Exerts pressure on the backward pawn 35...Kd4 36.d6 Rd8 (36...Nc1!? 37.Rff3 ef3 38.Nf3 Kd5 39.Ra3 Kd6+=) ½–½. pcmvr (2780) – higarra (2500), net–chess.com, 2008.

8.Nf3 Nf5 9.Qe4 Nd6 10.Qe2 Bg4 A) 11.Bd3 0-0 12.h3 (12.Nc3 Re8 13.Bb5 c6 14.dc6 Nc6 15.Bc6 bc6-/+) 12...Bf3 13.gf3 c6 14.Nc3 Bd4 15.dc6 Nc6-/+; B) 11.Bb3 0-0 12.h3 Bd7 13.d4 Bb4 14.Bc3 a5 15.de5 fe5=.

8.Qf6= Rf8 9.Qe5 Nd7 10.Qe2 Rf2 11.Qe4=.

8.Qf6 Rf8 9.Qe5 Nd7 10.Qe2 Bf2 11.Kd1 Bc5 12.Nf3 Nb6 Now all is on d5 13.Nc3 Rf4 (13...Nc4!? 14.Qc4 Bb6+-) 14.Bb5 Bd7 15.Bd7 Nd7 16.Ng5 Rf2 17.Qe1 Rg2? (better 17...Qb8+-) 18.Ne6 (18.Nh7?! Bd4+-) 18...Qb8 (18...Qc8 19.Nb5 (19.Nc5?! Nc5 20.Ba3 b6+=) 19...Bd6 20.Qf1+- (20.Nd6?! cd6 21.Ng7 Kd8+-)) 19.Nb5 (19.Nc5?! Nc5 20.Ba3 b6+-) 19...Bd6 20.Qf1 (20.Nd6 cd6 21.Qe3 Rg4+-) 20...c6 21.Ng7 (21.Nd6!? Qd6 22.Qg2 Nd5+-) 21...Kd8 22.Qf7 (22.Qf7 Nf6 23.Nd6 Qd6 24.Bf6+-; 22.Qg2?! cb5 23.Rf1 Be5 24.Ne6 Ke8+-) 1–0. Panza (2465) – Clay56 (2360), ChessWorld.net, 2010.

8.Qf6= Rf8 9.Qe5 Bf2 10.Kd1+= Nd7 11.Qe2 Nb6 (d5 seems the pivot of the position) 12.Bb5 Bd7 13.Nf3 Bc5 14.Nc3 c6 (14...Bb4 15.Ne5 a6 16.Bd7 Nd7 17.Ne4+/-) 15.dc6 bc6 16.Ne4 cb5 17.Nc5 Qc7 (17...Nc4 18.Bd4+/-) 18.Nd7 Qd7 19.Ne5 Qd5 20.Ba3 (20.Ba3 Nbc8 21.Re1+-) 1–0. Cornacchini,Gabriele – Hjortstam,Kurt, corr or03–027, 2003.

8.Qf6?! Rf8 9.Qe5 Bf2 10.Kd1 Bg4 11.Ne2 (11.Nf3? Rf3; 11.Be2? Bd4!) 11...Nd7 12.Qg5 (12.Qe4? Bf5) 12...Be2 13.Be2 (13.Ke2 Rf5 14.Qh6 Nb6 15.Bd3 Rf7 16.c4 Qd7 =+) 13...Rf5 14.Qh6 Nd5 15.Qh7 Qg5.

7.ed5 Nd5

8.Nc3 Bc3-/+ 9.Bc3 Nc3 (9...Be6 10.Ne2 Nc6 11.Rb1 b6 12.Bb2 Nce7 13.0-0 Nf5 14.Qh3; 9...Nc6 10.Nf3 (10.Ne2 0-0 11.Rb1 Rb8 12.0-0 Be6 13.f4 Qd6 14.fe5) 10...Be6 11.0-0 Qd6 12.Rfe1 0-0-0 13.Bd5 Bd5 14.Re3; 9...0-0 10.Nf3 Be6 11.Rb1 b6 12.0-0 Qd6 13.Bb2 c5 14.Rfe1) 10.dc3 Qe7 (10...Nc6 11.Nf3 Qe7 12.0-0 Bd7 13.Rfd1 0-0-0 14.Bd5) 11.Nf3 Be6 12.Rb1 Bc4 (12...Nc6 13.Rb7 Na5 14.Rc7) 13.Qc4 b6 (13...c6 14.0-0=+ –0.53 (14.Qb3 b6 15.Qa4-/+)) 14.Rd1= Nd7 15.Qc6 (< 15.Qc7 Nc5 16.Qc6 Kf7-/+) 15...Rd8 16.0-0 0-0 (16...Qc5 17.Qe6 Qe7 18.Qc6=) 17.Qc7 Nc5?? (better is 17...Rf7=) 18.Qe7+- (18.Qe7 Ra8 19.Rfe1+-) 1–0. wyssy – ante, internet, 2011.

8.Nc3 Nf4 9.0-0-0 Nc6 (9...g5 10.Qg3 Nc6 11.Nge2 Ne2 12.Ne2 Na5 13.Bd3 Be6 14.h4) 10.Nge2 g5 11.Qg3 Ne2 12.Ne2 Na5 13.d3 Qe7 14.h4.

8.Bd5 Bd2?? 9.Kd2?! c6+/-.

8.Bd5 Bd2?? 9.Nd2+- Qd5 10.Qf6 Rf8 11.Qe5 Qe5 12.Be5 Nc6 13.Bc7 Bf5 (13...Nb4 14.Rd1+-) 14.0-0-0 Rc8 15.Bd6 Rf7 (15...Rf6 16.Re1 Kf7 17.Bc5+-) 16.Ngf3 Rd7 (16...Kd8 17.Nc4 Rd7 18.Rd2+-) 17.Nc4 (17.Rhe1 Kf7 18.Nc4 Kg8+-) 17...b5 18.Rhe1 Kf7 (18...Kd8 19.Ne3 Be6 20.Ng5 Ba2 21.Ne4+-) 19.Nce5 (19.Nce5 Ne5 20.Ne5 (20.Be5?! Rc2 21.Kb1 Rcd2 22.Kc1 Rc2 23.Kb1 Rcd2 24.Kc1 Rc2=; worse is 20.Re5 Bc2 21.Rd4 Be4 22.Bc5 Rd4 23.Nd4 a6+-) 20...Kg8 21.c4 Rc4 22.Nc4 bc4 23.Ba3+-) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Bd5 Bd2?? 9.Nd2+- Qd5 10.Qf6 Rf8 11.Qe5 Be6 12.Qd5 (12.Ngf3 Qe5 13.Be5 Na6+-) 12...Bd5 13.Ngf3 Nc6 14.0-0 0-0-0 15.Ng5 (15.Rfe1 Nb4 16.Re7 Rfe8 17.Rh7 Re2+-) 15...h6 (15...Rfe8 16.c4 Bg2 17.Rfd1+-) 16.Nge4 Rde8 (16...Rf4 17.f3+-) 17.f3 Nb4 (17...Ne5 18.Rfe1+-) 18.c4 (18.a3 Nc2 19.Rac1 Ne3+-) 18...Bc6 (18...Be4 19.fe4 Rf1 20.Kf1+-) 19.Ba3 a5 20.Bb4 ab4 21.Rfe1 Rd8 22.Rab1 Be4 23.Ne4 (23.Re4?! Rd2 24.Re6 Rg8=; worse 23.fe4 Rd2 24.Rf1 Rf1 25.Kf1 c5-/+ (25...Ra2?! 26.Rb4 b6 27.h4=+)) 23...Rd4 24.Rb4 g5 25.a3 Rf4 (25...Rfd8 26.Kf2+-) 26.c5 (better 26.Nc5 Rf8 27.Re7+-) 26...g4 (26...Rb4 27.ab4 Kd7+-) 27.Rd4 gf3 28.gf3 (28.Nd6!? cd6 29.Rf4 dc5+-) 28...Rf3 29.Kg2 (29.c6 Rf8 30.Ra4 Kb8 31.Nf6 Rg8 32.Ng8 bc6 33.Ne7 c5 34.Rb1) 29...Ra3 (29...Rf8 30.c6! Rg8 31.Kh3+-) 30.Nf6 (30.Nc3! b6 31.c6 Kb8 32.Re8 Ka7 33.Nb5 Ka6 34.Nc7 Ka5 35.Ra8) 30...Ra2+- 31.Kh3 Ra3 32.Kh4 Kb8 33.Nd7 (better 33.Rd8!? Ka7+-) 33...Ka7 34.Ree4 (better 34.Rb1 Ra6 35.Rdb4+-) 34...Ra2 (34...Ra5+-) 35.Ra4 Ra4 36.Ra4 1-0. jjaa143ros (1720) - bjagus (1760), lichess.org, 2018.

8.Ne2 Be7-/+.

8.Be5 Qe7 9.Bd5 Qe5 10.Qe4 Qe4 11.Be4 Kf7 12.Ne2 Re8 13.Bd5 Kg7 14.Nbc3 c6 15.Bb3 Nd7 16.a3 Bc3 17.dc3 a5 18.f3 a4 19.Ba2 Ne5 20.Rb1 b5 21.Kf2 Be6 22.Be6 Re6 23.Nd4 Rd6 24.g4 Nc4 25.Ra1 Rb8 26.Rhe1 Kf7 27.Re4 Re8 28.h4 Re4 29.fe4 Rd7 30.Kg3 c5 31.Nf3 (31.Nb5 Ke6 32.Rb1 Ke5-/+) 31...Ke6 32.Kf4 Rf7 33.Kg3 f5?? (better 33...h6-+) 34.Ng5+- (34.Ng5 Ke7 35.Nf7 Kf7 36.ef5+-) 1-0. marekt (2200) - ehsm (2075), gameknot.com, 2020.

8.Nf3?? 0-0?? 9.Bd5+- Qd5 10.Qb4 e4? (10...Nc6 11.Qb3 Qb3 12.ab3+- (12.cb3?! Nb4+/-)) 11.Nd4 (better 11.Nc3 Qe6 12.Nd4 Qf7+-) 11...c5 12.Qb3 c4 13.Qe3 f5 (13...Nc6 14.0-0+-) 14.Nc3 (better 14.Qc3 Kf7 15.Na3 Be6+-) 14...Qe5 15.f4 Qa5 16.0-0-0 (better 16.Ncb5 Rd8 17.Na3+-) 16...Nc6 (16...Nd7+-) 17.Nc6 bc6 18.Qd4 Rd8 (18...Qb6 19.Qc4 Rf7+-) 19.Nd5! c3 (19...Qd5 20.Qg7 Mate attack; 19...cd5 20.Qg7 Mate attack; 19...Rd5 20.Qg7 Mate attack) 20.Bc3 Qa3 21.Kb1 Rb8 22.Ka1 Rd7 (22...Qc3 23.Qc3 cd5 24.Rb1+-) 23.Nf6 Kf7 24.Nd7 Bd7 25.Qd7 (better 25.Qg7 Ke8 26.Qe5 Be6 27.Qb8 Kd7 28.Qb7 Kd8 29.Qb2 Qb2 30.Kb2+-) 25...Kf8 26.Qg7 (26.Rb1 Rb2 27.Rb2 Qe7 28.Rb8 Kf7 29.Qc6 g5 30.Rb5 Qe6 31.Rb7 Qe7 32.Qf6 Kg8 33.Qe7 gf4 34.Qf7) 26...Ke8 27.Qg8 (better 27.Qe5 Qe7 28.Qb8 Qd8+-) 27...Kd7 28.Qb8 (28.Qb8 Qd6 29.Qa8+-) 1-0. pacalmisu (2375) - KM2200 (2345), Rated Blitz game, lichess.org, 2016.

8.Nf3?? Nc6 9.a3? Be7 10.0-0? 0-0?? (better 10...Nf4 11.Qg3 Na5 12.Bb5 c6 13.Ne5 Nh5-+) 11.Nc3=+ Be6 12.Ne4 (12.Nd5!? Bd5 13.Qe4=+) 12...Qd7 13.Qh6 Rf7 14.Rad1? (better 14.d4 Nf4 15.de5 Bc4 16.Qf4 Bf1 17.ef6-+) 14...Bf8 15.Qh4 Bg7?? (better 15...g5 16.Qg3 Nf4 17.Be5 Ne5 18.Ne5 fe5 19.Qg5 Bg7-+) 16.Nc5+= Qd6 17.Ne6 (17.Nb7 Qe7 18.d4 g5+=) 17...Qe6 18.d4 e4 19.Rfe1 f5?? (better 19...Re8=) 20.Ng5+- Qe7 (20...Qd6 21.f3 h6 22.Nf7 Kf7 23.fe4 fe4 24.Re4 Kg8+-) 21.Qh7 (better 21.Bd5 Kf8 22.Bf7 h6 23.Bg6 Qg5 24.Qg5 hg5 25.Bf5 Rd8+-) 21...Kf8 22.Nf7 (better 22.Bd5 Qg5 23.Bf7 Kf7 24.d5+-) 22...Qf7 23.f3?? (better 23.Bd5 Qd5 24.Qg6+-) 23...ef3?? (better 23...Bd4 24.Rd4 Qh7 25.Rd5 ef3-+) 24.Qh4 (24.gf3? Bd4 25.Bd4 Qh7 26.Bc5 Nde7-+) 24...fg2 25.Qf2 Re8 (better 25...Rd8!?+=) 26.Re8+/- Ke8 27.Qe2 Nce7 28.Re1 c6 (28...Kd8 29.Qg2 c6 30.Bb3+/-) 29.Qg2 (29.Bd5!? cd5 30.Qb5 (30.Qg2?! Bf6+=; worse 30.Kg2 Kd7+=) 30...Kf8 31.Qb7+-) 29...Kd7 30.Qe2 a6 31.c3 g5 32.Qf3 g4 33.Qe2 (33.Qg3 b5 34.Bb3 Qg6+/-) 33...Bh6 34.Bc1 Bc1 35.Rc1 Qe6 36.Qe6 Ke6 37.Re1 Kd6 38.Rc1 f4 39.Kf2 Nf5 40.Bd5 Kd5 (worse 40...cd5 41.Re1+/-) 41.Rg1 Ne3 42.Rc1 Ke4 Black intends f3 43.Re1 b5 44.Ke2 a5 45.Rg1 a4 46.Rc1 f3 47.Kf2 Kf4 48.Re1 Nc4 49.Re7 Nd2 (better 49...Na3!? 50.Rf7 Ke4-/+) 50.Rf7= (50.Rf7 Ke4 51.Rg7=) 1-0. pacalmisu (2430) - KM2200 (2360), Rated Blitz game, lichess.org, 2016.

8.Nf3?? Nc6 9.a3? Be7 10.Nc3 Be6 (10...Nf4 11.Qg3-+) 11.Qe4 (better 11.0-0!?-/+) 11...f5-+ 12.Qe2? (better 12.Qd3 Nf4 13.Qd8 Rd8 14.Be6 Ne6 15.Na2-+) 12...e4 (12...Nf4 13.Qf1 e4 14.Ng1 Ng2 15.Kd1-+) 13.Ng1?? (better 13.Nd5 Bd5 14.Bh8 ef3 15.gf3+/-) 13...Nf4 14.Qf1 Ng2! 15.Kd1 (15.Qg2 Bc4 Deflection (15...Bc4 Overloading)) 15...Nf4 16.Nb5 (16.Ne4 Rf8 (16...fe4?! 17.Bh8 Bf6 18.Bf6 Qf6 19.Rb1-+) 17.Nc3 Qd7 18.Be6 Ne6-+) 16...a6 (16...Bf6!? 17.Kc1 Bb2 18.Kb2 Qf6 19.Ka2-+) 17.Be6? (17.Bh8 ab5 18.Be6 Ne6 19.Qb5-+) 17...Rf8 (17...Ne6?! 18.Bh8 Kf7 19.Bc3 ab5 20.Qb5-+; 17...ab5?! 18.Bh8 Ne6 19.Qb5-+) 18.Bb3 (18.Bc4 ab5 19.Bb5 Qd6 20.Bc6 Qc6-+ (worse 20...bc6 21.Qc4-+)) 18...ab5 19.Qb5 Ra7 (better 19...Qd6 20.Ne2 0-0-0-+) 20.Ne2 Ne2 21.Ke2 Ra5 22.Qb7 Nd4 23.Kd1?? (better 23.Bd4 Qd4 24.Qc7=) 23...Nb3 24.Qb3 Rd5 25.Bc3 Bf6 26.Kc1 Kf7 27.a4 Qd6 28.a5 Ra8 29.a6 Bc3 30.dc3 Kf6 31.a7? (31.Qb7 Qd8 32.a7 c6=) 31...c6?? (better 31...Qf4 32.Kb2 Rd6-+) 32.c4=+ Re5 (32...Qf4!? 33.Kb2 Rd7-/+) 33.Rd1 (better 33.Qb7!? Ree8 34.c3= (34.Qh7 Qf4 35.Kb2 Rab8 36.ab8R Rb8 37.Ka2 Qe5 38.Qh8 Rh8 39.Kb1 Rb8 40.Kc1 Qa1 41.Kd2 Rd8 42.Ke3 Qh1 43.Ke2 Qd1 44.Ke3 Qd2)) 33...Qc7= 34.Qa4? (34.Qa3 Re7 35.Rd6 Kg7 36.Qc3 Kg8=) 34...Re6 (34...Re7!?-/+) 35.Ra3 Re7 36.Qb4 Ra7 37.Qc3? (better 37.Rd6!? Re6 38.Qb2 Kf7 39.Qh8 Qd6 40.Ra7 Re7 41.Qh7 Kf6 42.Qh4 Ke6 43.Re7 Qe7 44.Qg3-/+) 37...Kf7-+ 38.Ra7 Qa7 39.Rd4 Qb6?? (39...Qc5 40.h3-+) 40.Kd2? (better 40.Rd6 Qc7 41.c5=) 40...Qc7 41.c5? (41.Qh3 h5 42.c5 Rd7 43.Qb3 Kf6 44.Rd7 Qd7 45.Ke1 Qe8-+) 41...Qf4 (better 41...Qh2 42.Qc4 Kg7-+) 42.Ke2 Qg4 43.Ke1 Qf4 44.Qe3?? (better 44.Ke2=) 44...Qe3 (better 44...Qh2 45.Qb3 Kg7-+) 45.fe3 Ke6 (better 45...Re5 46.Rd7 Kg8-+) 46.Kf2?? (46.Rd6!? Ke5 47.Rc6-/+) 46...Ke5 (46...Rd7!? 47.Ra4 Rd2 48.Ke1 Rc2 49.h4-+) 47.Rc4? (better 47.Rd6-+) 47...Rb7 48.Ra4 (48.Rd4 Rb2 49.Rd7 Rc2 50.Kg1 f4 51.Re7 Kd5 52.ef4 h5-+) 48...Rb2 49.Ra6 (49.Rc4-+) 49...Rc2 50.Kg1 Rc5 51.Ra4 f4 52.ef4 (52.ef4 Kf4 53.Kf2 Rc2 54.Ke1 Rh2 55.Ra7-+). norba94 (2345) - KM2200 (2345), Rated Blitz game, lichess.org, 2016.

8.Nf3?? Nc6 9.a3? Be7 10.Bd5 Qd5 11.Nc3-+.

8.Nf3?? Nc6 9.a3? Nf4 10.Qg3 Bd6 11.Nc3-+.

8.Nf3?? Nf4 9.0-0? Be6 (9...g5 10.Ng5 fg5 11.Qg3-+) 10.Bb3 (better 10.Be6 Nc6 11.Bc4+-) 10...Bb3 (better 10...g5 11.Qf4 gf4 (11...ef4?! 12.Re1-+) 12.Be6 Nc6-+) 11.ab3-/+ 0-0 12.g3 Ne2 (12...Qd5 13.gf4 Qf3 14.fe5 fe5 15.Qc4 (15.Qb4?? Rf4 16.Qf4 Qf4-+) 15...Rf7 A) 16.Qb4?? Rf4 17.Qf4 ef4-+ (worse 17...Qf4 18.Ra4 Qf5 19.d3-+); B) 16.Nc3 Bc3 17.Qc3-/+) 13.Kh1?? (better 13.Kg2 Nd4 14.Bd4 ed4 15.Qd4 Qd4 16.Nd4+=) 13...Bc5?? (better 13...Qd5 14.Qc4 Qc4 15.bc4 Bc5-/+) 14.Qc4+- Kg7 15.Qe2 Nc6 16.Nc3 Nd4 17.Nd4 ed4 18.Ne4 Bb6 19.Qc4 Qd7 20.d3 Rae8 21.Rfe1 f5 22.Nc5 (better 22.Ng5 Rf6 23.Kg1+-) 22...Qd6?? (better 22...Qc6 23.Kg1 Qc5=+) 23.Qd4 (better 23.Ne6 Re6 24.Re6 Qd7+-) 23...Qd4 24.Bd4 Kh6 25.b4 a6 26.Be3 g5 27.Nb7 Be3 28.Re3 Re3 29.fe3 Rb8 30.Ra6 Kg7 (30...Kh5 31.Ra7 Re8 32.Kg2 Re3 33.Kf2+-) 31.Ra7 Kf6 32.c3 h5 33.Nc5 Rd8 34.Kg2 c6 35.Kf3 1-0. pacalmisu (2395) - KM2200 (2360), Rated Blitz game, lichess.org, 2016.

8.Nf3?? Nf4 9.Qg3 Nc6 10.0-0-+.

8.Nf3?? Nf4 9.Qg3 Nc6 10.Nc3-+.

8.Bd5 Qd5

9.Qb4?? Qg2 10.Nc3 Qh1 11.0-0-0 Nc6 12.Qa4 Bd7 13.f4 0-0-0 14.Nge2 Qh2 15.Nb5 (15.fe5 fe5 16.Qe4-+) 15...a6 16.Nbc3 Nd4 17.Qc4 (17.Qa5 Ne2 18.Ne2 Qe2-+) 17...Ne2 (better 17...Bb5!? 18.Nb5 ab5 19.Qb4 Ne2 20.Kb1 Qf4 21.Qa5-+) 18.Ne2 (18.Qe2 Qf4 19.Nd5 Qh4-+) 18...Rhe8 (18...Bg4 19.Qe4 Be2 20.Rh1-+) 19.Nc3 (19.fe5 Bb5 20.Qf4 Qe2 21.ef6 Bc4-+) 19...Qf4 (19...Bg4 20.d3 Bd1 21.Nd1-+) 20.Qf7 (20.Qf1 Bf5 21.Ne2 Qa4-+) 20...Bg4 21.Nd5 (21.Rh1 Re6 22.Kb1 Qd2-+) 21...Rd5 22.Qd5 Bd1 23.Kd1 Qf1 0-1. pacalmisu (2345) - KM2200 (2345), Rated Blitz game, lichess.org, 2016.

9.Qb4?? Qg2 10.Nf3 Qh1 11.Ke2 Nc6-+.

9.Ne2?? Be7 10.Qg3 Qe4-+.

9.Qf6 Rf8

10.Qe5 Qe5

11.Be5 Bc5 12.d4 (12.f4 Nc6 13.c3 Ne5 14.fe5 Rf4+=) 12...Nd7 13.dc5 Ne5 14.Nc3 Ng4 (better is 14...Bd7!?=) 15.Nf3+= Bf5 (15...Bd7!?+=) 16.h3+/- Nf6 17.0-0-0 Nd7? (better is 17...Rd8+/-) 18.Rhe1+- Kf7 (18...Kd8 19.Nd4 h5 20.f3+-) 19.g4 Be6 (19...Bg4 20.Ng5 Kg8 21.hg4 Nc5+-) 20.Ng5 (20.Ng5 Kg8 21.Ne6+-) 1–0. pierre – ulrikhr, internet, 2009.

11.Be5 Bf5 12.c3 Ba5 13.Ne2+= (13.Na3 Nc6 14.Nc4 Bd3 15.Na5 Ne5 16.Nh3=; 13.Bd4 Nc6 14.Bc5 Rf6 15.Be3 Ne5 16.d4=; 13.d4 Bb1 14.Rb1 Bc3 15.Kf1 Nc6 16.Bg7=; 13.Bg7 Rf7 14.Bd4 Nc6 15.Be3 Ne5 16.Kd1+=) 13...Nc6 14.d4 Ne5 15.de5 Bd3 16.Rf1=.

11.Be5 Bf5 12.c3 Bc5 13.d4 Bb6 14.Ne2 Nc6 15.Bg3 0-0-0 16.Bf4 (16.Nd2 Rfe8 17.Kd1 Na5+=) 16...Be4 17.Rg1 Bd3 (17...Ba5 18.Be3=) 18.Be3+= Ba5 19.Kd2 Ba6 20.Na3?? (better is 20.h3+=) 20...Be2-+ 21.Ke2 Bc3 22.Rad1 Nd4 23.Bd4 (23.Kd3 Bb2 24.Kc4 a6 (24...Ba3?! 25.Rd4 Rd4 26.Bd4-/+) 25.Bd4 b5 (25...Ba3?! 26.Be3-/+) 26.Kb3 Bd4-+ (26...Rd4?! 27.Kb2 Rf2 28.Nc2 Rd1 29.Rd1+=)) 23...Bd4 (23...Rd4?! 24.Nb5 Re8 25.Kf3 Rd1 26.Rd1+=) 24.Rgf1 Rde8 25.Kd3 Bf2 26.Nb5 Bb6 27.Nc3 c6 28.Ne4 Rf1 29.Rf1 Rd8 30.Kc2 Rd4 31.Rf8 Kc7 (31...Kd7 32.Nc3 Ke7 33.Rh8-+) 32.Rf7 Rd7 33.Rd7 Kd7 34.Nf6 Ke7 35.Nh7 Be3 36.Kd3 Bc1 37.h4 Kf7 38.Ke4 Kg7 39.Ng5 Bg5 40.hg5 Kf7 41.Ke5 c5 42.Kd5 b6 43.a4 Ke7 44.Ke5 a6 45.Kd5 Kd7 46.g3 (46.a5 Kc7-+) 46...Kc7 47.Ke5 c4 48.Kf6 (48.Kd4 b5 49.Kc3 Kc6-+) 48...c3 49.Kg6 c2 50.Kf7 c1Q 51.g6 Qc4 52.Kf8 Qa4 (better is 52...Kd7!? 53.Kg7-+) 53.g7 Qa3 (53...Qa3 54.Ke8 Qg3-+) 0–1. Tagirov,Kajum K (1915) – Haziev,Anvar, Ufa Dautov Memorial, 2007.

11.Be5 Bf5 12.c3 Bc5 13.d4 Bb6 14.Nf3 Nc6 15.Nbd2 0-0-0 16.0-0-0 Bg4 (16...Be6!?=) 17.Rhe1+= Rde8 (17...Rf5 18.Bg3 Ra5 19.Kb2+-) 18.Bg7+- Rg8 19.Bh6 Ba5 (19...Be6 20.Kb2+-) 20.Kb2 b5 21.h3 b4? (better 21...Bf3!? 22.Nf3 Ne7+-) 22.c4+- (22.hg4?! bc3 23.Kc2 cd2 24.Bd2 Bd2 25.Re8 Re8 26.Rd2 Kd7+-) 22...Bf5 (22...Bf3 23.Nf3 (23.gf3?! Nd4 24.Be3 Nc6=) 23...a6 24.Kb3+-) 23.Nb3 Be4 (23...Bb6 24.c5 Be4 25.cb6 ab6 26.Re3+-) 24.d5 Bf3 (24...Bb6 25.dc6 Bf2 26.Rf1+-) 25.Re8 (worse 25.gf3 Ne5 26.Na5 Nd3 27.Rd3 Re1+-) 25...Re8 26.gf3 Re2 (26...Bb6 27.dc6 Bf2 28.Na5+-) 27.Rd2 Rd2 28.Bd2 (28.Nd2?! Ne5+-) 28...Ne5 29.Na5 Nf3 30.Bb4 Ng5 (30...g5 31.Nc6 Ng1 32.Na7 Kb7 33.Nc6+-) 31.h4 Ne4 (31...Nh3 32.Nc6+-) 32.f3 Ng3 33.Nc6 Nf5 (33...Kb7 34.Bc5+-) 34.Be1 a6 (34...Ne3 35.Kc3 a6 36.Nd4+-) 35.Bf2 h6 (35...Nd6 36.Kc3+-) 36.Kc3 g5 (36...Kb7 37.Ne5+-) 37.hg5 hg5 38.Nd4 Nh4 (38...Nd6 39.Be3+-) 39.f4! Ng6 (39...gf4 40.Bh4 Deflection) 40.fg5 1–0. Pierre – Danziger, internet, 2020.

11.Be5 Bf5 12.c3 Bd6 13.d4 (13.Bd6 cd6 14.d4 Kd7+= 15.Ne2 Nc6 16.Kd2+=) 13...Be5= 14.de5 Nd7 (14...Nc6 15.Nf3 0-0-0 16.Nbd2=) 15.Nf3 0-0-0 16.Nbd2 (16.0-0 Rfe8+=) 16...Rfe8 17.0-0 Ne5 18.Rfe1 Nf3 (18...Nd3 19.Re8 Re8 20.Kf1+=) 19.Nf3 Bg4 (19...h6 20.Ne5+=) 20.Ne5 (20.Ng5 h5 21.Nf7 Re1 22.Re1 Rd5=) 20...Bf5 (20...Be6 21.a3=) 21.Nf3 (21.Nf7 Re1 22.Re1 Rd5=) 21...h6 (21...c5 22.a4+=) 22.Ne5 Re6 (22...Rd2 23.g4 Bc2 24.Nc4=) 23.g4= Bc2 24.Nf7 Re1 (24...Rde8 25.Re6 Re6 26.Nh6=) 25.Re1 Rd1 (25...Rd5!?=) 26.Rd1+/- Bd1 27.Nh6 Kd7 (27...Bf3 28.h4+/-) 28.f4 Ke6 29.Kf2 Bc2 30.h4 a5 (30...b5 31.Ke3+/-) 31.Ke3 b5 (31...Kf6 32.c4+/-) 32.Kd4+- b4 (32...Kf6 33.Kd5+-) 33.cb4 ab4 34.Kc4 Bb1 35.Kb4 Ba2 36.Kc5 Bd5? (36...Bb1 37.Kc6 Kf6+-) 37.f5 gf5 38.gf5 (38.gf5 Ke5 39.Ng4 Ke4 40.h5+-; 38.Nf5?! Be4 39.Ne3 Ke5+-) 1–0. marekt – imaphryque, internet, 2009.

11.Be5 Bf5 12.Bc7 Bc2 (12...Be4 13.f3 Bc2 14.Nc3 Ba3 15.Kf2 Kd7 16.Bb8+=) 13.Nc3 (13.Ne2 Na6= 14.Bg3 0-0-0 15.a3 Ba5 16.Bh4=) 13...Kd7 14.Rc1 Re8 15.Nce2 Bd3 16.Bf4=.

11.Be5 Rf7 12.c3 Re7 (12...Bd6 13.Bd6 cd6 14.d4 Be6 15.Nd2 Na6 16.Ngf3 Rc7+/-) 13.d4 (13.f4 Ba5 (13...Bd6 14.d4 Bf5 15.Kf2 Nd7 16.Nd2 Nb6+=; 13...Bc5 14.d4 Bd6 15.Nf3 Nd7 16.Kf2 Nb6+/-) 14.d4 Nc6 15.Nf3 Bf5 16.Kf2 Kd7+=; 13.cb4 Re5 14.Ne2 Nc6 15.Nbc3 Nb4 16.d4 Ra5=; 13.Kf1 Bf5 (13...Nc6 14.f4 Ba5 15.d4 Bf5 16.Kf2 Kd7+=; 13...Re5 14.cb4 Nc6 15.Nf3 Rf5 16.Nc3 Nb4=) 14.d4 Nc6 15.cb4 Nd4 16.f4 Nc2=; 13.Kd1 Re5 14.cb4 Nc6 15.a3 a5 16.ba5 Nd4=) 13...Bd6 (13...Nc6 14.f4 Ba5 15.Nf3 Bf5 16.Kd2 Be4+=; 13...Ba5 14.f4 Be6 15.Nf3 Nd7 16.Kf2 Rd8+=; 13...Bc5 14.f4 Bd6 15.Kf2 Bf5 16.Nf3 Nc6+/-) 14.f4 g5 15.g3 (15.Kd2 gf4 16.Bd6 cd6+/-) 15...Be5 (15...Bf5 16.Ne2+= (16.fg5? Be5 17.Kf2 Bg7-+) 16...Nc6+=) 16.fe5+/- c5 17.Nd2 (17.Na3!?+/-) 17...Nc6+= 18.Ne2 (18.Nb3 cd4 19.cd4 Be6+=) 18...cd4 (18...Bg4 A) 19.dc5?? Re5 20.0-0-0 Be2-+ (worse is 20...Re2 21.h3 Be6 22.Rhe1 Re1 23.Re1-+); B) 19.Nb3 Rd8 20.Rd1=) 19.cd4 Bg4 20.Nb3 Rd8 21.Rd1 Red7 22.h4 (22.h3 Be2 23.Ke2 Nd4 24.Nd4 Rd4 25.Rd4 Rd4=) 22...Ne5 (22...gh4 23.Rh4 Ne5 24.Nc5 Nf3 25.Kf2 Nh4 26.Nd7 Kd7 27.gh4 Rf8 28.Ke1-/+) 23.Nc5 (23.hg5!? Nf3 24.Kf2 Ng5 25.Rde1=) 23...Nf3+= 24.Kf2 Rf7 (24...Re7 25.d5+=) 25.Ke3 Kf8 26.Ne4 Re8 (better is 26...gh4 27.gh4 Ne5-/+) 27.Rdf1?? (better is 27.N2c3=) 27...Re4-+ 28.Kd3 (28.Ke4 Nd2) 28...Rfe7 29.Ng1 Rd4 30.Kc2 Rc7 31.Kb2 Rd3 (better is 31...Rd2!? 32.Ka1 Rcc2 33.Rf3 Kg7 34.Kb1-+) 32.hg5 Kg7 33.Nf3 Rf3 (33...Bf3 34.Rh2-+) 34.Ka1 (34.Rf3 Bf3 35.Re1 Kg6-+) 34...Rc2 (34...Rg3 35.Rhg1 Rg1 36.Rg1-+) 35.Kb1 (35.Rc1 Rff2 36.Rc2 Rc2-+) 35...Re2 36.Rc1 (36.Rf3 Bf3 37.Rh4-+) 36...Bf5 37.Ka1 (37.Rc2 Rc2 38.Re1 Rff2 39.Re7 Kf8 40.Rf7 Kf7 41.g6 Kg6 42.Ka1 Ra2) 37...Rff2 (37...Rff2 38.Rc7 Kg6 39.Rc2 Rc2 40.Rh6 Kg7 41.Rh7 Bh7 42.g6 Rf1) 0–1. Buczinski,Henryk – Dragon,Zygmunt, Siemianowice Slaskie Poland, 1966.

11.Be5 Nc6

12.Bb2 Be6 13.Ne2 Be7 (13...Bd6 14.Nbc3 Be5 15.a3 0-0-0 16.Rb1 Rfe8+=; 13...Ke7 14.Nbc3 Bd6 15.Nb5 Rae8 16.Nd6 cd6+=; 13...Ba5 14.Nbc3 Bb6 15.f3 0-0-0 16.Ne4 h5+=; 13...Kd7 14.Nbc3 Bf5 15.0-0-0 Rae8 16.Rhe1 Bc5+=) 14.a3 Bc5 15.d4 Bb6 16.Nd2 0-0-0+=.

12.Bb2 Bf5 13.c3 (13.a3 Bc5 (13...Bd6 14.d3 Ne5 15.Nd2 0-0-0 16.0-0-0 Ng4=; 13...Ba5 14.Kd1 0-0-0 15.f3 Rfe8 16.g4 Be6=; 13...Be7 14.d3 0-0-0 15.Ne2 Rfe8 16.Nbc3 Bc5+=) 14.d3 Nd4+= (14...Kd7 15.Nc3 Rae8 16.Nce2 Rf7=) 15.Kd1 0-0-0 16.Nc3 Nc2+=; 13.Kd1 0-0-0 (13...Kd7 14.Ne2 Rae8 15.Re1 Bc5 16.f3 Bf2=; 13...a5 14.Ne2 Kd7 15.Nbc3 Rae8 16.d3 Bd6+=; 13...Be6 14.f3 Bd6 15.Ne2 0-0-0 16.h3 Rde8+=; 13...Rd8 14.Ne2 Kd7 15.Ba3 Rde8 16.Re1 Rf6=) 14.Ne2 Rde8 15.Nd4 Bg4 16.f3 Nd4+=; 13.Na3 Rf7 (13...Rd8 14.c3 Be7 15.d4 Kd7 16.Nc4 Rde8=; 13...0-0-0 14.0-0-0 Be6 15.f3 Ba2 16.Ne2 Rfe8+=; 13...h6; 13...Kd7) 14.Kd1 0-0-0 15.Nb1 Bc5 16.Nc3 Ne5-/+) 13...Ba5 (13...0-0-0 14.cb4 Rfe8 15.Ne2 Nb4 16.Kf1 Nc2-/+; 13...Bd6 14.d4 Kd7 15.f3 Rfe8 16.Kf2 Bd3=; 13...Ne5 14.cb4 Nd3 15.Kf1 Nb2 16.Nc3 0-0-0+=; 13...Bc5 14.d4 0-0-0 15.Nd2 Rfe8 16.Kd1 Bd4=) 14.Ba3 Rf6 15.Ne2 0-0-0 (15...Ne5 16.d4 (16.Nd4 Nd3 17.Ke2-/+) 16...Nd3+=) 16.Bc5= Re8 17.Be3 Bd3 (17...Ne5 18.0-0= (18.Ba7?? Nd3 19.Kd1 Bb6 20.Bb6 Rb6-+)) 18.Nc1 Ba6 19.Kd1 Ne5 20.Bd4 Rfe6 21.Re1 (worse is 21.Ba7 b6 22.Re1 Nd3 23.Nd3 Bd3-/+) 21...Bb6 22.Bb6 ab6 23.f4 (23.Na3 Ng4 24.Re6 Nf2 25.Kc2 Re6=) 23...Ng4+= 24.Re6 Re6 25.a4 Rf6 26.h3 Nf2 27.Kc2 Bf1 28.g3 Ne4 (28...Nh3?! 29.a5=) 0–1. Schulz,Hans_Juergen (1785) – Hanison,Bernard (1815), b2–b4.com, 2004.

12.Bb2 Kf7 13.Nc3 (13.Ne2; 13.a3; 13.Nf3; 13.Kf1) 13...Re8 (13...Nd4 14.0-0-0 Bf5 15.d3 Rad8 16.Ne4 Be7+=; 13...Bg4 14.Nge2 Rae8 15.f3 Bf5 16.Kd1 h6+=; 13...Bf5 14.d3 Rae8 15.Nge2 Re7 16.Kd2 Rfe8+=; 13...h6 14.Nb5 Re8 15.Kd1 Re7 16.Ne2 Be6=) 14.Kd1 Bf5 15.Nge2 Rad8 16.a3 Bc5=.

12.Bb2 Bg4 13.h3 (13.Ne2; 13.f3; 13.a3; 13.Nc3) 13...Bf5 (13...Be6 14.Ne2 Bc5 15.d4 Bb6 16.c3 Kd7+=; 13...Bd7 14.Ne2 0-0-0 15.a3 Bc5 16.d4 Bb6+=; 13...Bc8 14.Ne2 Bf5 15.a3 Bc5 16.d4 Bb6+=) 14.Kd1 Kd7 15.Ne2 Rae8 16.Re1 Bc5=.

12.Bc3 Bc5 13.f3 Bd7 14.Ne2= 0-0-0 15.d3 Rfe8 16.Kd1 Nb4 17.Bb4 Bb4 18.Nbc3 Bf5 (18...Bc6 19.Rb1 a5 20.Kc1=) 19.Kc1 (19.a3 Ba5=) 19...c5 20.Rb1 (20.g4 Bd7 21.a3 Bc3 22.Nc3 Rf8=+) 20...a5 (20...Re3 21.Rb3=+) 21.g4 Bd7 22.Ne4 (22.Kb2 c4 23.Ne4 cd3 24.cd3 Rf8 25.Rbc1 Kb8-/+) 22...Ba3=+ 23.Kd2 Bg4 24.Ke3 (24.fg4 Re4 25.h3 c4=+) 24...Bd7 25.c4 (25.N2c3 Bc6=+) 25...Ba4 (25...Bb4 26.Rhg1=+) 26.Nf4 Bc6 27.Rhg1 Bb4 28.Rg5 Bc3 29.Ne2 Be5 30.h4 a4 (30...Kc7 31.h5=+) 31.h5= Bg7 32.Rc5 Bf8 33.Rbb5 Rd7 (33...Bh6 34.f4=) 34.hg6 hg6 35.d4 (35.N2c3 Bc5 36.Rc5 Kb8=) 35...Bc5=+ 36.Rc5 Rc7 37.d5 Bd7 38.Ra5 b6 (38...Rc4 39.Kd3 Rce4 40.fe4=) 39.Ra8= Kb7 40.Re8 Be8 41.Kd4 Rh7 42.Nd6 Ka6 43.Ne8 (43.Nf4 Bd7=) 43...Re7 44.Nc3 Re8 45.Na4 Rf8 ½–½. Gierth,Karlheinz (2185) – Hellbing,Bernd (2370), CP–2008–Q–00010, 2010.

12.Bc3 Bc5 13.f3 Bf5 14.d3 Nb4 (14...0-0-0 15.Ne2=+) 15.Bb4 Bb4 16.Kd1 (16.Nd2 0-0-0 17.Ne2 Rfe8=+) 16...0-0-0 17.Ne2 h5 (17...c5 18.a3 Ba5 19.a4=+) 18.a3 (18.Nbc3 Rfe8=) 18...Ba5=+ 19.Nc1 c6 (19...Be6 20.Ne2=) 20.Nd2=+ h4 (20...Rfe8 21.Rb1=) 21.h3 (21.Rb1 Bc7=) 21...Rfe8 (21...Kc7 22.Rb1=) 22.Re1 Re1 23.Ke1 Bc3 24.Rb1 Rd5 (24...Kc7 25.Ne2 Re8 26.Kd1=) 25.Ne2 (25.Ke2 Kc7=) 25...Bf6 26.Nc4 (26.Ne4 Be7=) 26...b5 27.Ne3 Rd6 (27...Rd8 28.Nf5 gf5 29.Nf4=) 28.Nf5 gf5 29.Kd2 (29.Kf2 Rd5+=) 29...Be7= 30.a4 ba4 31.Ra1 Rg6 32.Ra4 (32.Nf4 Bg5 33.Ra4 Bf4 34.Rf4 Rg2 35.Kc3 Rg3=) 32...Rg2 33.Ra7 Bb4 (33...Bg5 34.Ke1=) 34.c3 Bc3 35.Kc3 Re2 36.Ra4 Kd7 (36...c5 37.Rh4 Kd7 38.Kc4=) 37.Rh4 c5 38.f4 (38.Kc4 Re3=) 38...Ke6 (38...Ke7 39.Rh7 Kf6 40.Rc7=) 39.Rh6 Kf7 40.Kc4 (40.Rc6 Rf2=) 40...Re3 41.h4 ½–½. Skerlik,Stanislav (2350) – Eilmes,Don P (2340), WS/MN/021 ICCF, 2007.

12.Bc3 Bd7 13.Ne2+= 0-0-0 (13...Be6 14.0-0 (14.a3 Bc5 15.d4 Bb6 16.Bb2 0-0-0 17.c3 Ne5 18.Nc1 Nc4-/+) 14...Kd7 15.a3 Bd6 16.Ng3 Bd5 17.Bb2 Bg3 18.hg3 Rae8=) 14.f3 (14.a3 Bc5 15.d4 Bb6 16.Bb2 Be6 17.c3 Ne5 18.Nc1 Nc4-/+; 14.a4 Rde8 15.Kf1 Rf7 16.Bb2 Bc5 17.f3 Nb4 18.d4 Bd6+=) 14...Rde8 15.Kd1 (15.a3 Bc5 16.Kd1 Be6 17.Ng3 Bd5 18.d3 Re3+=) 15...Bd6 16.Bb2 (16.d3 Ne7+= (16...b5 17.Nd2 a6 18.a3 Bf5+=) 17.Nd2 Nf5 18.Nc4 Bc5=; 16.Ng3 Re6 17.Ne4 Bf4 18.Re1 b5+=) 16...g5 (16...b6 17.Nbc3 (17.Ba3+= Nb4 18.Nbc3 Nc2=) 17...Be5 18.Rb1 Be6+=) 17.h3 (17.Ba3 A) 17...Ba3 18.Na3 g4+= (18...Be6=); B) 17...Nb4 18.Nbc3 Nc2=) 17...h5 Black prepares g4 (17...Kb8 18.Re1 (18.Ba3= Nb4+=) 18...h5+=; 17...Be6 18.Re1 h5=) 18.d3= (18.Nbc3 Be5=) 18...g4 (18...Re3=) 19.hg4 hg4 20.Nd2 gf3 21.gf3 Ne5 22.Ne4 Nf3 23.Nd6 cd6 24.Nd4 Ba4 25.Rf1 Nd4 26.Rf8 Rf8 ½–½. pierre – Maniusiek, internet, 2015.

12.Bc3 Bd7 13.f3 A) 13...Bd6 14.Ne2 (14.d3 0-0-0 15.Nd2 Nb4 16.Kd1 Nd5 17.Bd4 c5 18.Bg7 Ne3+=) 14...Kf7 15.d3 Rae8 16.a3 Bc8 17.Nd2 Be6 18.Ne4 h6+/-; B) 13...Be6 14.Ne2 (14.a3 Bd6 15.d3 b5 16.Ne2 0-0-0 17.Nd2 Rde8 18.Ne4 a6+=) 14...Rd8 15.d3 Rf5 16.a3 Be7 17.Nd2 h6 18.Ne4 a6+/-.

12.Bc3 Bd7 13.Nf3 A) 13...Bc5 14.d3 (14.0-0 0-0-0 15.d3 Rde8 16.Nbd2 Re2 17.Rac1 Bg4 18.Nb3 Bf3=) 14...0-0-0 15.Nbd2 Rde8 16.Kf1 Bb4 17.Bg7 Rg8 18.Bf6 Bd2=; B) 13...0-0-0 14.h3 (14.a3 Rde8 15.Kd1 Bc3 16.dc3 Ne5 17.Ne5 Re5 18.f3 Rg5-/+) 14...Bc3 15.Nc3 Nb4 16.Rb1 a5 17.Rb2 Bc6 18.a3 Bf3+=.

12.Bc3 Bd7 13.h3 A) 13...Bc5 14.f3 (14.Nf3 0-0-0 15.d3 Rfe8 16.Kf1 Nb4 17.Bb4 Bb4 18.a3 Bd6=) 14...Kf7 15.Ne2 Rae8 16.Kd1 Be6 17.Ng3 h6 18.Ne4 Be7+=; B) 13...Bc3 14.Nc3 (14.dc3 0-0-0 15.Ne2 Be6 16.Nd2 Rfe8 17.a3 h5 18.Rd1 Bd5+=) 14...Nb4 15.Rc1 Bf5 16.Nf3 Nc2 17.Kd1 Nb4 18.Nb5 Kd8=.

12.Bc3 Be6 13.Bb4 (13.Ne2!?=) 13...Nb4+= 14.Na3 Rf5 15.Ne2 Ra5 (15...Na2?! 16.Nd4 Re5 17.Kd1=) 16.Nd4 Ra3 17.Ne6 Nc2 18.Kd1 Na1 19.Nc7 Kd7 20.Na8 Ra2 21.Ke2 b5 22.Kd3 Ra3 23.Ke4 Nb3 24.Kd5 (24.Kd3 Kc6 25.Kc3 Na5 26.Kd4 Ra4 27.Kc3 Kb7-+) 24...Ra2 25.Rb1 (better is 25.Rd1-+) 25...Rd2 26.Ke4 Nc5 27.Kf3 (27.Ke3 Rd3 28.Kf4 Kc6-+) 27...Kc6 28.Rc1 (28.Ke3 Rd3 29.Kf4 Rd8-+) 28...Rd5 29.Rc2 Kb7 30.Rb2 a6 (worse is 30...Ka8 31.Rb5 a6 32.Ra5-+) 31.Ke3 Ka8 32.h4 Kb7 33.f3 0–1. Pierreo (2260) – Queen, Friendly Game, 2m + 0s, 2005.

12.Bc7 Nd4 13.Kd1 Rf2 14.c3?? Rf1 0–1. Anonymous – Anonymous, sv.lichess.org, 2011.

12.Bc7 Nd4 13.Kd1 Rf2 14.Nf3 Bg4 15.h3 Bf3 16.gf3-/+.

12.Bc7 Nd4=+ 13.Kd1 Rf2 14.Nf3 Bg4 15.h3 Nf3 16.hg4 Nd2 17.c3 Nb1 18.Rb1 Bc3 19.Rb7 Ra2 20.Rh7 Rg2 21.Bb8=+.

12.Bc7 Nd4+= 13.Kd1 Rf2 14.Bg3?? (better is 14.Nf3 Bg4 15.h3 Nf3 16.hg4 Nd2 17.c3 Nb1 18.Rb1 Bc3 19.Rb7 Ra2 20.Rh7 Rg2 21.Bb8+=) 14...Rf1-+ 15.Be1 Re1! 16.Ke1 Nc2 17.Kd1 Na1 18.Nf3 Bf5 19.Re1 Kf8 (19...Kf8 20.Nc3 Nc2-+) 0–1. Helgesen,Helge – Bivens,William, corr 3GMM–25, 1995.

12.f4 Ne5 13.fe5 Bf5 14.c3 Bd3 15.Nf3 Be7 16.Kd1 Rd8 17.Re1 h5 18.Kc1 h4 19.h3 Rf4 20.Kb2 Rd5 21.a4 Ra5 22.Re3 Bf1 23.Ne1 (23.d4 Bg2 24.Ne1 Bc6-/+) 23...a6 24.Kb3 c5 25.Kb2 c4 26.e6 Rf2 (26...Bc5 27.Re5-/+) 27.Kc1 g5 28.Ra2 Bc5 29.Re4 Ke7 30.Kd1 b5 31.Kc1 Bd6 32.Rb2 (better is 32.Kb2-+) 32...Ra4 33.d4 Ra2 34.Ra2 Ra2 35.d5 (35.Kd1 Bf4 36.d5 Bg2 37.Ng2 Rg2-+) 35...Bg2 36.Ng2 Rg2 0–1. Pcmvr – Msdnewmex, playchess.de, 2005.

12.Bg3!?=.

12.Bg7 Rf7 13.Bc3 Bc5=.

12.Bb2 Bc5

13.f3 Nb4 14.Na3 Be6 15.Ne2 Na2 16.d4 Bd6=.

13.f3 Be6 14.Nc3 Rd8 15.0-0-0 Bd6 16.a3 Rd7+=.

13.f3 Kf7 14.Nc3 Bf5 15.d3 Nd4 16.0-0-0 Bd6+=.

13.f3 h5 14.Nc3 Bf5 15.d3 0-0-0 16.a3 Ne5+=.

13.f3 Bf5

14.Kd1 0-0-0 (14...Nb4 15.Na3=) 15.Ne2 (15.Ba3 Nb4 16.Bb4 Bb4=) 15...Nb4 16.Na3 Rfe8 17.Ng3 Be3 18.Bc3 (18.Nf1 Bf2 19.Ng3 Be3=) 18...Nd5+= 19.Ba5 (19.Bb2!? Nf4 20.Nc4 Ng2 21.Nf5 gf5 22.Rb1+=) 19...Bc5-/+ 20.Nc4 b6 21.Ne4 Be4 22.fe4 Re4 (22...ba5 23.ed5 Rd5 24.Rb1= (24.Na5? Bd4 25.Nb3 Ba1 26.Na1 Rg5-+)) 23.d3 Rc4! 24.dc4 Nf4 25.Ke1 (25.Kc1 ba5 26.g4 Ba3 27.Kb1 Ne2 28.c3 Rd2 29.Re1 Nc3) 25...Ng2 (worse is 25...ba5 26.g3 Ng2 27.Ke2-+) 26.Ke2 ba5 27.Rhd1 (27.Rab1 Re8 28.Kf3 Nh4 29.Kf4 Bd6 30.Kg4 Re4 31.Kh3 Nf5-+) 27...Re8 (27...Re8 28.Kf3 Ne3-+) 0–1. Bivens,William – Erlandsson,Harry, corr 3GMM–14, 1995.

14.Kd1 Nb4 15.Na3 0-0-0 16.Ne2 Rf7 (16...Rd7 17.Nc1 Re8 18.Nb3 Bb6 19.Bc3 c5 20.d3 Be6) 17.Nc3 Rfd7 18.Ncb1 Bc2 19.Nc2 Nd3 20.Ba3 Ba3.

14.Kd1 Nb4 15.Na3 Rf7 A) 16.d3 0-0-0 (16...Re7 17.Nh3 Rd8 18.Bf6 Nd3 19.Be7 Be7 20.cd3 Rd3) 17.Nc4 Be6 18.Ne5 Re7 19.Nh3 Ba2 20.Re1 Bd6; B) 16.Ne2 Rd7 (16...0-0-0 17.Nc1 Kb8 18.Nb3 Bf2 19.Bc3 Nd5 20.Bd4 Bh4) 17.Nc1 0-0-0 18.Nb3 Bf2 19.d3 Re8 20.Nc4 Be6.

14.Kd1 Nb4 15.Na3 h5 16.Ne2 0-0-0 (16...Kd7 17.Nd4 Rae8 18.Nf5 Rf5 19.Re1 Re1 20.Ke1 Bd6) 17.Ng3 h4 18.Nf5 Rf5 19.Nc4 Nd5 (19...h3 20.gh3 Rf3) 20.a4 (20.Kc1 Nf4) 20...Rg5 21.g3 hg3 22.hg3 Rg3 23.a5 Rf3 24.Ne5 Rg3 25.Nd3 Bd6 26.a6 b6 27.Ra4 c5 28.Rah4 Rg2 29.Be5 Be5 30.Ne5 g5 (30...b5!? 31.Rh8 Ne7-/+) 31.Rh7 Ne3 (31...Nf6 32.Re7 Rdd2 33.Ke1 Rde2 34.Kd1 Rd2 35.Ke1=) 32.Kc1 Rdd2 (32...Rgd2 33.Ra7 Rd1 34.Kb2 Rh1 35.Ra8 Kc7 36.Rd8 Nc2 37.a7+-) 33.Nc6 Rc2 34.Kb1 Rb2 ½–½. Zylla,Johannes (2125) – Vegjeleki,Adolf (2195), corr ICCF WSTT/3/06/Final, 2009.

14.d3 0-0-0 15.Kd2 Nb4 16.Bg7 Bd3-/+.

7.ed5 Qd6

8.Nc3 Nf5 9.Qe4 0-0 10.Nge2 Nd7 11.Nb5 Qb6 12.d6 Kg7 13.0-0-0?? (13.dc7 a6 14.Nbc3=) 13...Nc5-+ 14.Qf3 e4 15.Qf4 0–1. Markus,Roland – Trokenheim,Marek, corr SOK–89–41, 1989.

8.Nc3 Nf5 9.Qe4 0-0 10.Nb5 Qb6 11.Nc7 (11.d6 Kg7 12.dc7 Nc6 =+) 11...Nd6 12.Na8 Bd2!

8.Nc3 Nf5 9.Qg4 0-0 10.Nb5 (10.Ne4 Qb6 11.d6 Kg7) 10...Qb6 11.d6 Kg7.

8.Nc3 Nf5 9.Qh3 Qc5 10.Bb3 Nd6 11.Qe3 Qe3 12.fe3 Nd7 =.

8.Nf3 0-0 9.0-0 Nd5 10.Bd5 Qd5 11.Qb4 (11…Nc6 12.Qh4+-) 1–0. Woelfelschneider,Peter – Hoerter,J, corr ICCF 2–2438, 1986.

8.Nf3 0-0 9.0-0 Nf5 10.Qe4 Nd7 11.c3 Bc5 12.d4 ed4 13.cd4 Qb6 (13...Bb4 14.a3 Ba5 15.Bc3 Bc3 16.Nc3=) 14.Bb3 Bd6 15.Nbd2 a5 16.a4 Qa6 17.Qc2 Nb6 18.Rfe1 Ng7 19.Ne4 Bf5 20.Nfd2 Kh8 21.Qc1 Rae8 22.Nd6 cd6 23.Qc7 Qd3 24.Qc3 (24.Red1 Bg4 25.f3 Re2 26.fg4 Rd2+=) 24…Re1 ½–½. Jacewicz,Grzegorz (2160) – Sicker,Rolf (2290), remoteschach.de, 2010.

8.Nf3 0-0 9.0-0 Nf5 10.Qe4 Nd7 11.c3 Bc5 12.d4 ed4 13.Nd4 Nd4 14.cd4 Bb4 15.a3 Ba5 (15...Nb6 16.Be2 (worse is 16.ab4 Nc4 17.Bc3 Bf5-/+) 16...Ba5 17.Bc3 Bc3 18.Nc3+=) 16.Qe6 Kg7 17.Qd6 cd6 18.a4 (18.Bc3 Bc7=) 18...Nb6+= 19.Bb3 Bf5 20.Bc3 Bc3 21.Nc3 a6 22.a5 Nc8 23.Rfe1 b5 24.ab6 Nb6 25.Re7 (25.Ne4 Be4 26.Re4 a5+=) 25...Rf7 26.Rae1 Kf8 27.R7e3 Rc8 28.h3 Rfc7 29.Ne4 Be4 30.Re4 Rc1 ½–½. Gerold – Zwerenz, corr SOK–87–15, 1987.

8.Nf3 0-0 9.Nc3 Bc3 10.Bc3 Nd5 11.d4 Be6 (11...ed4!? 12.Nd4 Re8 13.Kf1 c6+=) 12.de5= Qc6 13.Bd2 Nd7+/-. Gerold – Talving, corr Gera–Tallinn (year?).

8.Nf3 Bf5 9.Nc3 Bc3 10.Bc3 (10.dc3 Nd7+=) 10...Nd7 (10...Bc2 11.Bb5 Nd7 12.Bb4=) 11.0-0 (11.d4 Nd5 12.de5 Qc5+= (worse is 12...fe5 13.0-0-0 Qa3 14.Bb2=)) 11...Nd5-/+ 12.Bd5 Qd5 13.d3 0-0 14.Rfe1 Rf7 15.Re3 Qc6 16.d4 e4 17.Nd2 (17.Ne1 Nb6 18.Bd2 Qc4-/+) 17...Nb6-+ 18.Ne4 Nd5 19.Rf3 Re8 (19...Nc3?! 20.Nc3 Re8 21.d5+=) 20.Nc5 b6 (20...Bc2?! 21.Rc1-+) 21.g4 (21.Bd2 bc5 22.c4-+) 21…Bc8 (21...bc5?! 22.gf5 g5 23.Qg3-+) 0–1. Roczniak,Jan – Swiatek,J, corr Poland, 1984.

8.f4 Nd7 9.Ne2=+.

8.f4 ef4 9.a3 Nf5 10.Qf6 Qf6 11.Bf6=.

8.f4 ef4 9.Bf6?? Nf5-+ 10.Qg5 0-0 11.Bb2 (11.Nc3 Rf6 12.Ne4-+) 11...h6 12.Qg4 Ng3 (12...Ne3 13.Qf3 Bg4 14.Qe4-+) 13.Qf3 (13.Qc8 Rc8 14.hg3-+) 13...Nh1 14.Qe4 Bf5 15.Qd4 Qe7 16.Kf1 Kh7 (16...Bc2 17.d6 Kh7 18.de7 Ng3 19.hg3 fg3 20.ef8N Bf8 21.Qh8) 17.Na3 Nf2 (17...c5!? 18.d6 cd4 19.de7 Be7 20.Ne2-+) 18.Re1 Ne4 (18...Ba3?? 19.Re7 Be7 20.Qg7) 19.d6 (19.Nb1 Bc5 20.Qe5 Qe5 21.Be5 Nd6-+) 19...Nd2 (better is 19...Bd6 20.Nb1 Nc6 21.Qd5-+) 20.Qd2 Qe1 (20...Bd2?? 21.Re7 Rf7 22.Rf7 Kg8 23.Rg7 Kh8 24.Rc7 Bc3 25.Bc3) 21.Qe1 Be1 22.Ke1 cd6 23.Ne2 Be4 24.Nd4 Re8 (24...d5 25.Bf1-+) 25.Kf2 Nc6 26.Ne6 (26.Nab5 d5 27.Bb3 Re7-+) 26...d5 27.Nc7 dc4 28.Na8 Ra8 0–1. Guziec,Krzysztof – Dziel,Jaromir, corr 1AMM Poland, 1991.

8.f4 Bf5 9.fe5= fe5 10.Nf3 Nd7 (10...Bc2? 11.Be5 Nf5 12.Bd6 Nh4 13.Bb4 Ng2 14.Kf2+-) 11.Bb3 (11.Bb5 c6 12.dc6 bc6=) 11...0-0-0 12.Ng5 Rdf8 13.Rf1 (13.Ne6 Be6 14.de6 Nb6=) 13...Nf6 Can d5 get defended? (13...Nc5 14.Nh7 Rf7 15.a3-+) 14.c3 (14.Ne6!? Be6 15.Rf6+=) 14...Bc5-/+ 15.Ne6 Be6 (15...Ned5?! 16.Nc5 Qc5 17.Ba3=) 16.de6 Nh5 (16...Nfd5!? 17.Rf8 Rf8-/+) 17.Rf8 Rf8 18.Qe4 Rf2 19.Bc1 (19.Bc4 Nf4 20.d4 Rb2 21.dc5 Qc5-+) 19...Nf6 20.Qh4 Qd3 Do you see the mate threat? 21.Qf2 Bf2 22.Kf2 Ng4 23.Ke1 Qe4 24.Kf1 Nh2 25.Kg1 Ng4 26.Kf1 If White now only could play d4... 26...Nf5 27.Bc4 Ng3 28.Kg1 Qe1 29.Bf1 Qf1 0–1. Bielefeld – Preuss, BdF, 1995.

8.f4 Nf5 9.fe5 Nh4 (9...Qc5 10.Qe4 Qe3 11.Qe3 Ne3 12.Bb3 Ng2 13.Kf2+=) 10.ed6+= Nf5? (better 10...Bd6 11.g3 Nf5=) 11.dc7+- (worse 11.Bf6 Rf8 12.dc7 Rf6 13.cb8B Rb8+/-) 11...Na6 (11...Nd7 12.Bb5+-) 12.Bf6 (12.Ba6 ba6 13.a3 Ba5+-) 12...Rf8 13.Ba6 ba6 14.Bc3 Bd6 15.Nf3 Bc7 16.0-0 Bd7 (16...Bb6 17.Kh1+-) 17.Re1 Kd8 18.Ne5 (18.Ng5 Bb6 19.Kh1 Nd4+-) 18...Ba4 (18...Rb8 19.a3+-) 19.Na3 Bb6 20.Kh1 Nd4 21.Bd4 Bd4 22.c3 Bc5 (22...Be5 23.Re5 Rb8 24.Nc4+-) 23.Nac4 Kc7 (23...Bf2 24.Rf1 Bb5 25.d3+-) 24.d4 Bb6 (24...Bd6 25.Nd6 Kd6 26.c4+-) 25.d6 Kb7 26.Rab1 Bb5 27.a4! Ba4 28.Na5 (28.Nd3 Bb5 29.Re7 Kc8 30.Nb6 ab6+-) 28...Kc8 29.Nac6 (29.Ra1 Bd7+-) 29...Kb7? (better 29...Bc6 30.Nc6 Kd7 31.Ne5 Kd6+/-) 30.d5+- Rf2 (30...a5+-) 31.c4 (31.Nd3 Bc6 32.Nc5 Kc8 33.dc6 Rd2 34.Re8 Bd8+-) 31...Rc2 (31...Raf8 32.c5 Bc2 33.Nc4+- (33.cb6?! Bb1 34.h4 Ba2 35.ba7 Rd2+-)) 32.d7 (32.Nd7 Bc6 33.Nc5 Kc8 34.dc6 Rd2 35.Re8 Bd8 36.c7 Rd6 37.Ne6 Kd7 38.Rd8 Ke6 39.Re1 Kf5 40.Ra8 Rc6 41.c8Q Rc8 42.Rc8 Kg5 43.c5 h5 44.c6 a5 45.c7 h4 46.Rh8 Kf4 47.c8Q h3 48.Qc7 Kg4 49.gh3 Kf5 50.Qe5) 32...Kc7 33.d8B (better 33.d6 Kd6 34.Rbd1 Kc7 35.d8Q Rd8 36.Nd8 Kc8+-) 33...Rd8 34.Nd8 Kd8 35.Rec1 (35.Rbc1 Kc7+-) 35...Re2 (35...Kc7 36.Nf7 Rf2 37.c5 Rf7 38.cb6 Kb8 39.d6 ab6 40.Rb6 Ka7 41.Rbb1+-) 36.Nf7 Ke7 37.Ng5 Kf6 (37...h6 38.Re1 Re1 39.Re1 Kd7 40.Nf3+-) 38.Nf3 (38.Nh7!? Kg7 39.Ng5 Kf6+-) 38...Bc5 39.Re1 Rc2 (39...Re1 40.Re1 a5 41.Re6 Kf5 42.h3+-) 40.Rbc1 (better 40.Rb7 Be8 41.Re8 Rc1 42.Re1 Re1 43.Ne1+-) 40...Rb2 (40...Rc1 41.Rc1 Bd7 42.Ra1+-) 41.Re6 Kf5 (41...Kg7 42.Ne5 Bd4 43.c5+-) 42.Rf1 (42.Rce1 Bc2 43.d6 Bd6 44.Rd6 Be4+-) 42...Bf2 (42...Bb3 43.Nd2 Kg5 44.Nb3 Rb3 45.d6+- (worse 45.Ra6 Rd3+-)) 43.Nd4 (better 43.Ng1 Bb3 44.Ne2 Bc4 45.Rf2 Kg5 46.Re4+-) 43...Kf4 (43...Kg5 44.Re4 Kh6 45.Ne6+-) 44.g3 (44.Ne2 Kg5 45.Rf2 Kh6+-) 44...Kg4 (44...Kg5 45.Re4 Bd4 46.Rd4 h6+-) 45.Re4 Kg5 46.Nf3 (better 46.Ne6!? Kf5 47.Nc5 Rd2+-) 46...Kh6 47.Rh4 (better 47.Ne5 Bc5 48.Rh4 Kg7 49.Rf7 Kg8 50.Rhh7 Bf8+-) 47...Kg7 48.Ng5 h6 (48...h5 49.Ne6 Kh6+-) 49.Ne6 Kf6 50.Rf4 (50.Kg2!? Bd7 51.Re4 a5+-) 50...Ke5 51.R4f2 Rf2 52.Rf2 Kd6 (52...Bb3 53.Re2 Kd6 54.Nf4+-) 53.c5 (better 53.Rd2 a5+-) 53...Kd5 54.c6! Kc6?? (54...Bc6 55.Nc7 Double attack; 54...Kc6 55.Rf6 Combination) 55.Rc2! Kb5?? (55...Bc2 56.Nd4 Double attack (56.Nd4 Decoy)) 56.Rb2 Ka5 (56...Kc4 57.Rd2 Bb3 58.Rd6+-) 57.Nc5 (57.Rf2 Kb4+-) 57...Bb5 58.Nb3 (58.Kg1!? g5+-) 58...Kb6 (58...Kb4 59.Na1 Ka3 60.Rf2+-) 59.Nd4 a5 (59...Kc5 60.Ne6 Kd6+-) 60.Nb5 (better 60.Rb5 Ka6 61.Rc5+-) 60...Ka6 (60...Kc5 61.Na7 a4 62.Nc8+-) 61.Nd6 (61.Nc7) 61...g5 (61...a4 62.Rb4 Ka5 63.Rb5 Ka6 64.g4+-) 62.Nc8 (62.Ne8 a4 63.Nc7 Ka5 64.Rb5) 62...g4+- 63.Ne7 a4 64.Nd5 Ka5 65.Nc7 (better 65.Rb7 Ka6 66.Rb4 a3+-) 65…a3 (65...a3 66.Rc2 Kb4+-). carlos78 (2305) - NevSky (2300), Rated Blitz game, lichess.org, 2015.

8.Ne2 0-0

9.0-0 a6 10.d4 ed4 11.Nd4 Nf5 12.Nf5 Bf5 13.Bb3 Nd7=.

9.0-0 Nd7 10.a3 Nf5 11.Qe4 Bc5 12.Nbc3 Qb6 13.Bb3 Bd6=.

9.0-0 Bf5 10.a3 (10.d3 Nd7 11.a3 Ba5 12.Bc3 Bc3 13.Nbc3 a6=; 10.c3 Bc5 11.d4 ed4 12.Nd4 Bd7 13.Nd2 Nf5+=) 10...Ba5 11.Bc3 (11.Nec3 g5 12.Qg3 Nd7 13.d3 Kh8+=) 11...Bc3 12.Nbc3 a6 (worse is 12...Bc2 13.Rfc1 (13.Rac1 Nf5 14.Qg4+/-) 13...g5+-) 13.Ng3 Kg7 (13...b5=) 14.Nce4 Be4 15.Ne4 (worse is 15.Qe4 Rd8+=) 15...Qd8? (better is 15...Qb6 16.d3 Nf5+=) 16.Nc5+- Nf5 17.Ne6 Kh8 18.Qh3 (18.Nd8?! Nh4 19.Nb7 Nd7+/-) 18...Qe7 19.Nf8 Qf8 20.Bd3 Nd6 (20...Ne7 21.Qe6+-) 21.Bg6 Qg7 22.f4 (better is 22.Bf5+-) 22...Qg6+/- 23.fe5 fe5 24.Rf8 Kg7 25.Raf1 a5 (25...Ne8 26.Qc8 Nc6 27.Qa8+-) 26.Qh4 (26.Qh4 Nd7 27.Ra8+-) 1–0. pierred (2645) – iivanov (2485), net–chess.com, 2008.

9.0-0 Nf5 10.Qe4 Nd7 11.Nbc3 Nc5 12.Qf3 a6 13.a3 Ba5=.

9.0-0 g5 10.Qg3 b5 (10...Nd5!? 11.d4 Nd7=) 11.Bb5+= Qd5 12.Nbc3 Qd2 13.Bd3 (13.Bd3 Rd8 14.Bc1 Rd3 15.cd3+/-) 1–0. Brinkmann,Wilhelm – Trokenheim,Marek, corr SOK–89–41, 1990.

9.c3 Bc5 10.0-0 Nd5.

9.Nbc3 Bc3 10.Nc3 Nf5 11.Qe4 Nd4 12.Nb5 (better is 12.Qd3!?=) 12...Qb4-/+ 13.Bb3? (better is 13.Nd4 Qc4 14.Qe2 Qd5 15.Qf3-/+) 13...Qb5-+ 14.Bd4 ed4 15.Qd4 Re8 16.Kd1 Qe2 17.Kc1 Qe5 (better is 17...Kg7-+) 18.Qe5-/+ Re5 (18...fe5?! 19.d6 Kf8 20.dc7-+) 19.f3 (19.f4 Re2 20.d6 Kf8 21.dc7 Na6-+) 19...Na6 (19...Kg7 20.Bc4-+) 20.d4 Re2 21.g4 White gets the initiative 21...Bd7 (21...Rf2 22.Rb1-+) 22.Bc4 Re3 (22...Rf2 23.d6 Kf8 24.Ba6 ba6 25.dc7-+) 23.Kd2 (23.d6 Kf8 24.Ba6 ba6 25.dc7 Rc8-+) 23...Rae8 (23...Rf3!? 24.d6 Kf8 25.Raf1 Rf1 26.Rf1 cd6 27.Rf6 Ke8 28.g5-+) 24.Rab1 Bc8 (24...b5 25.Rb5 Bb5 26.Bb5-/+) 25.d6 Kh8 26.d7 (26.Ba6 ba6 27.dc7 Rf3-/+) 26...Bd7 27.Rb7 Bc6 (27...Rf3!? 28.Ba6 Bc6-/+) 28.Ra7= Bf3 29.Rb1 Nb8? (better is 29...c5 30.Ba6 cd4=) 30.Rb8+- Rb8 Deflection from e3 (30...c5 31.dc5 Bg4 32.Raa8+-) 31.Ke3 Bb7 (31...Bg4 32.Rc7 Rb2 33.Bb3+-) 32.a4 Bc6 33.a5 Rb7 34.Rb7 Bb7 35.a6 Ba8 36.Be6 (36.Be6 f5 37.gf5+-) 1–0. Gruszczynski,Boleslaw – Dziel,Jaromir, corr 1AMM Poland, 1991.

9.Nbc3 Nf5 10.Qe4 Qc5 11.Bb3 Nd6 12.Qf3 Nd7 13.a3 Ba5=.

8.Ne2 Bf5

9.a3 Ba5 10.Bb3 Nd5 11.Bd5 Qd5 12.Qf6 Rf8 13.Qe5 Qe5+=.

9.Bb3 Nd7 10.Bc3 Bc5 11.d4 ed4 12.Nd4 Qe5 13.Kd1 Qe4+=.

9.Bb5 c6 10.dc6 bc6+=.

9.c3 Bc5 (9...g5 10.Bb5 c6 11.Qb4 Qb4 12.cb4 cb5 13.Nbc3 Bd3=) 10.d4 (10.0-0+= Qb6 11.Ba3 Nd7 12.d4 Ba3 13.Na3 Qa5+=) 10...ed4 11.cd4 Bb4 12.Bc3 g5 13.Qh5 Kd8+=.

9.Nbc3 Bc2 10.Rc1 Bf5 11.Nb5 Qb6 12.Nc7 Qc7 13.Bb5 Nbc6 14.dc6 bc6 15.Qb4.

9.Nbc3 Bc2 10.Ne4 Be4 11.Qe4-/+.

9.Nbc3 a6

10.0-0 Bc2!? 11.d4 (11.Rfc1 g5-/+ 12.Qg3 Bf5 13.d4 Nd7 14.Qe3+=; 11.Rac1 g5 12.Qg3 Bg6 13.d4 Nd7 14.Rfd1-/+; 11.Ng3 Bc3 12.dc3 Nd7 13.Rfc1 g5 14.Qh5-/+) 11...Bc3 12.Bc3 e4 13.Rac1 Bd3 14.Bd3+=.

10.0-0 Bc3 11.Nc3 (11.Bc3 Bc2 12.Rfc1 g5 13.Qh6 Bg6 14.d4+=; 11.dc3 Nd7 12.Bb3 0-0-0 13.Rad1 Nb6 14.c4=) 11...Bc2 12.d4 Qb4 13.d6 Nd7 14.de7=.

10.0-0 Nd7 11.d3 Nb6 12.Bb3 Rd8 13.Ne4 Be4 14.de4=.

10.0-0 g5 11.Qg3 Bc2 12.Rfc1 Bf5 13.d4 Nd7 14.Qe3+=.

10.0-0 g5 11.Qh5 Bg6 12.Qf3 Bc2 13.d4 Nd7 14.Ne4+=.

10.0-0 g5 11.Qh6 Bc2 12.d4 Bc3 13.Bc3 e4 14.Ng3+=.

10.0-0 g5 11.Qh6 Bg6 12.Ng3 Bc3 13.Bc3 Nd7 14.Rab1 Nd5 15.Rb7 Qc6 16.Bd5 Qd5 17.Rb2 Kf7 18.h4 g4 19.Re1 Rae8 20.h5 f5 21.Rb4 c5 22.Rf4 Qe6 (22...ef4?? 23.Qg7) 23.Qg5 Rhg8 24.hg6 hg6 25.Nf5 gf5 26.Rf5 Nf6 27.Qh5 1–0. Smolensky,Y – Brattsev, corr Ukraina, 1976.

10.0-0-0 A) 10...g5 11.Qh5 (11.Qh6 Nd7 12.Ng3 Qc5 13.Nf5 Nf5 14.Qh5-/+; 11.Qg3 Nd7 12.d3 Nb6 13.Bb3 Ned5 14.Nd5-/+) 11...Bg6 12.Qf3 Nd7 13.h4 gh4 14.Rh4+=; B) 10...Nd7 11.h3 (11.f4 Bc3 12.Nc3 ef4 13.Rhf1 g5 14.Qh5-/+; 11.d4 0-0-0 12.g4 g5 13.Qg3 Bg6 14.h4+=; 11.Ng3 Ba3 12.Bb3 0-0-0 13.Rde1 h5 14.Nge4-/+; 11.g4 g5 12.Qg3 Bg6 13.d4 0-0-0 14.h4+=) 11...Nb6 12.Bb3 g5 13.Qg3 Ned5 14.Qf3+=.

10.Rc1 Nd7 11.Bb3 (11.Ng3 Bc3 12.Bc3 0-0-0 13.Nf5 gf5 14.d3-/+; 11.Nd1 Nb6 12.Ne3 0-0-0 13.c3 Bc5 14.d4-/+; 11.0-0 0-0-0 12.d3 Nb6 13.Bb3 g5 14.Qg3-/+; 11.f4 0-0-0 12.Bb3 Nc5 13.fe5 fe5 14.Rf1-/+) 11...0-0-0 12.0-0 g5 13.Qh6 Bg6 14.Qh3+=.

10.Ne4 Be4 11.Qe4 b5=.

10.Ne4 Be4 11.Qe4 c6 12.Bb3 cd5 13.Qd3 Nd7 14.a3-/+.

10.0-0 0-0

11.Bb3 g5 12.Qg3 Nd7 13.d4 Rae8 14.de5+=.

11.Rac1 Bc3 12.Nc3 b5 13.Bb3 g5 14.Qg3=.

11.Rfc1 Bc3 12.Nc3 b5 13.Bb3 g5 14.Qg3=.

11.d3= b5 12.Bb3 Nd7 13.Ne4 Be4 14.de4+=.

11.d3= Bc3 12.Nc3 b5 13.Bb3+= Nd7 14.Ne4+=.

11.d3= g5 12.Qg3 b5 13.Bb3 Bd7 14.Ne4+=.

11.d3= g5 12.Qh6 b5!? 13.Bb3 Bg4=.

11.d3= g5 12.Qh6 b5 13.Bb3 Bg6 14.Ne4+=.

11.d3= g5 12.Qh6 Nd7 13.Ne4+/- Be4 14.de4 b5 15.Bd3 Nc5 16.Ng3 (16.Rfd1 Nd3 17.Rd3 Rad8+=) 16...Rf7 (16...Nd3 17.cd3 c6 18.dc6 Nc6 19.Nf5+=) 17.Be2+= Rg7 18.Bg4 Rg6 19.Qh5 Kg7 (19...c6 20.a3 Ba5 21.Nf5 Nf5 22.Bf5+/- (worse is 22.ef5 Rg7=)) 20.Bf5 (20.c3 Ba5 21.Nf5 Nf5 22.Bf5 Rh6+/-) 20...Rh6 21.Qe2 Nb7 (21...c6 22.a3 Ba5 23.c4+/-) 22.a4 ba4 23.Ra4 Qb6 (23...Kg8 24.Be6 Kg7 25.Rb1+/-) 24.Bc1 (24.c3!? Bc5+-) 24...Nd6 25.Be6 a5 (25...Bc3 26.Nh5 Kh8 27.Qf3+-) 26.Qf3 (26.Nh5 Kh8 27.Be3 Qb5 28.Qb5 Nb5+/-) 26...Qb5 27.Ra1 Qc4 (27...a4 28.Nh5 Rh5 29.Qh5+-) 28.Be3 (28.Nh5 Rh5 29.Qh5 Qe4+/-) 28...c6 (better is 28...Qc2 29.Rfc1 Qb2+-) 29.c3 (29.Nh5 Rh5 30.Qh5 Qe4 31.dc6 Nc6+-) 29...Bc5? (better is 29...Bc3!? 30.Rac1 cd5=) 30.Bc5 (30.Nh5 Rh5 31.Qh5 cd5 32.ed5 Be3 33.fe3 Qc3+-) 30...Qc5+/- 31.Nh5 Kh8 (31...Rh5 32.Qh5 cd5 33.ed5 Nd5 34.Bd5 Qd5 35.Rfd1+/-) 32.Nf6+- Rf8 33.Nd7 The mate threat is Qxf8 33...Rf3 34.Nc5 Rc3 35.Ra5 cd5 36.ed5 Nc4 (36...Rc2 37.Rfa1+-) 37.Ra7 Nd2 (37...Nd6 38.Rb1 Rc5 39.Re7 Rb5 40.Rb5 Nb5+-) 38.Re7?? (better is 38.Rd1 Rc5 39.Re7+-) 38...Re6?? (38...Nf1 39.Re8 Kg7 40.Rg8 Kf6 41.Ne4 Ke7 42.Nc3 Nd2+-) 39.Ne6+- Nf1 (39...Kg8 40.Ra1 Rc8+-) 40.Re8 1–0. Laskowski,Janusz – Dziel,Jaromir, corr 1AMM Poland, 1992.

11.d4 Bc2 12.Rfc1 Bf5 13.de5 fe5 14.g4+=.

8.Ne2 Nf5

9.Qe4 Qe7 10.Bb3 a5 11.a4 Na6+= 12.Ba3 Nc5 (12...Ba3 13.Na3 Qb4 14.Qc4 Bd7 15.c3 Qb6+=; 12...Bd7 13.0-0 0-0-0 14.Re1 Ba3 15.Ra3 Rhe8+=; 12...Nd6 13.Qe3 Bg4 14.Bb4 Nb4 15.c3 Na6+=; 12...Qd6 13.0-0 Nc5 14.Bb4 Ne4 15.Bd6 Nfd6=) 13.Bb4 ab4+= 14.Qc4 Qd6 15.0-0 Nb3+=.

9.Qe4 Qe7 10.Bb3 a5 11.a4 Na6+= 12.Nc1 Nd4 (12...Nc5 13.Qe2 Nb3 14.Nb3 0-0 15.0-0 Qd6+=; 12...Bd7 13.0-0 Nc5 14.Qc4 Rb8 15.Re1 Qf7+=; 12...Bd6 13.0-0 Nc5 14.Qc4 b6 15.Re1 Ba6+=; 12...Bc5 13.0-0 Nd4 14.Bd4 Bd4 15.c3 Bb6=) 13.Bd4 Bf5 14.Qh4 ed4 15.Kd1 0-0-0+=.

9.Qe4 Qe7 10.Bb3 a5 11.a4 Na6+= 12.c3 Nc5-/+ (12...Bd6 13.0-0 Nc5 14.Qc2 0-0 15.Ba3 Nb3+=) 13.Qc2 Nb3 (13...Nd4 14.cd4 Bf5 15.Qc5 Bc5 16.dc5 Qc5 17.d4+=) 14.Qb3+= Bd6 15.Na3 (15.Ba3 0-0+=) 15...Nh4 (15...Ra6 16.Nc4+=; 15...0-0+=) 16.0-0= Qd7 17.Nc4 Ra6 18.Ng3 0-0 (18...Bf8!? 19.Ne4 Kd8=) 19.Nd6+= cd6 (19...Qd6? 20.Ba3 Qd7 21.Bf8 Kf8 22.f4 ef4 23.Rf4+-) 20.Qc4 (20.Rab1 Qc7+=) 20...g5 (20...Nf5 21.Nf5 Qf5 22.Qb5=) 21.Ba3 (21.d4 Ng6+=) 21...f5= 22.f3 Qf7 (22...f4 23.Ne4=) 23.d4+= Ng6 24.Rae1 Re8 (24...Rd8 25.Ne2+=) 25.Bc1 (25.de5 Ne5 26.Qd4 Qc7+/-) 25...h6+= 26.Qd3 (26.Qb5 Rd8+=) 26...Rb6 (26...Nf4 27.Bf4 gf4 28.Ne2=) 27.c4+= Rb4 (27...Bd7 28.Ba3+=) 28.Ba3+/- Rb6 (28...Ra4 29.Bd6 ed4 30.Re8 Qe8 31.Qd4+/-) 29.c5 Nf4 30.Qc2 dc5 31.dc5 (worse is 31.de5 Qd5 32.Qc5 Qc5 33.Bc5 Rc6-/+) 31...Rf6 32.d6 Bd7 33.Bb2 Qd5 34.Qc3 (better is 34.Rd1 Qc6 35.Rfe1 Qa4 36.Qa4 Ba4 37.Rd2+/-) 34...Nd3+= 35.Rd1 Qc5 36.Qc5 Nc5 37.Rfe1 (37.Rd5 Na4 38.Be5 Rf7+=) 37...Na4-/+ 38.Be5 Rfe6 39.Nh5 (39.Nf5 Re5 40.Ne7 R8e7 41.de7 Re1 42.Re1 Kf7-+) 39...Kf7 (worse is 39...Re5 40.Re5 Re5 41.Nf6 Kf7 42.Nd7-/+) 40.Ng7 (better is 40.f4 b5 41.Rf1-+) 40...Re5 41.Ne8 Re8 42.Re8 Ke8 (42...Be8 43.d7 Bd7 44.Rd7 Kf6 45.Rb7+/-) 43.Re1 Kd8 44.Re7 (44.h4 gh4 45.Kf2 b5-+) 44...Nc5 (44...Nc3 45.Rf7-+) 45.Rh7 (45.Rf7 f4 46.Rf8 Be8 47.Rf5-+) 45...a4 46.Rh8 Be8 47.Rh6 (47.d7 Kd7 48.Rh7 Kd8 49.Rh6-+) 47...a3 (47...a3 48.h4 a2 49.hg5 a1Q 50.Kh2 Qc1-+) 0–1. Durka,Jan – Dobrovolsky,Ladislav (2260), Tirnavia–B Trnava, 1979.

9.Qe4 Qe7 10.Bb3 a5 11.a4 Na6+= 12.Bc3 Nc5 (12...Bc3 13.Nbc3 Nc5 14.Qc4 b6 15.Nb5 Ba6+=; 12...Bd7 13.0-0 Rd8 14.Re1 Nc5 15.Bb4 Ne4=; 12...Bd6 13.d4 Nd4 14.Nd4 Nc5 15.Qe3 ed4=; 12...Nd6 13.Qe3 Bc5 14.Qf3 Bb6 15.Na3 Nc5+=) 13.Bb4 ab4 14.Qc4 Qd6 15.0-0 Nb3+=.

9.Qe4 Qe7 10.Bb3 a5 11.a4 Na6+= 12.Bc4 Nc5 (12...Nd6 13.Bb5 Kd8 14.Qh4 g5 15.Qg3 Qf7+=) 13.Qf3 e4 14.Qf4 g5 15.d6 cd6-+.

9.Qe4 Qe7 10.Bb3 a5 11.a4 Na6+= 12.Qf3 Nc5 (12...e4 13.Qh3 Nc5 14.Ra2 e3 15.Qf3 Nb3+=) 13.Bc4 e4 14.Qf4 g5 15.d6 cd6-+.

7.ed5 Nd7

8.a3 Bc5 9.Nf3 Nb6 (9...Nf5 10.Qe4 Nd6 11.Qe2 0-0 12.0-0 Re8 13.Bb3+=) 10.Bb5 Kf7 11.d4 ed4 12.Nd4 Bd4 13.Qd4-/+.

8.a3 Nf5 9.Qe4 (9.Qg4 Bc5 10.Qe2 Qe7 11.Nf3 Nb6 12.0-0 Nd4 13.Bd4+=; 9.Qh3 Bc5 (9...Bd6; 9...Nb6) 10.Qb3 0-0 11.Nf3 e4 12.d6 Kg7 13.Ng5+=) 9...Nd6 10.Qe2 Nc4 11.Qc4 Be7 (11...Bd6 12.Nc3 Nb6 13.Qb3+=) 12.Nc3 Nb6 13.Qb3 c6 14.dc6 bc6 15.Nge2 Rb8 16.0-0-0 (16.Rb1!?+=) 16...Bd7 17.d4 Qc8 18.Na4 (18.Nb1 Be6 19.Qd3 Nc4-+) 18...c5 19.Nc5? (19.Nb6 Rb6 20.Qc3 ed4 21.Nd4 cd4 22.Qc8 Bc8 23.Rd4-+) 19...Na4!! (19...Bc5 20.dc5 Na4 21.Qf3 Rb2 22.Qf6-/+) 20.Qa4 (20.Na4 Rb3) 20...Ba4 21.Na4 Qc4 (21...Qc6 22.Nac3 Qg2 23.de5 fe5 24.Nd5-+) 22.Nac3 0-0 23.d5 (23.Rd3 e4 24.Rdd1 Rb6-+) 23...Rb6 24.Rd3 Rfb8 25.Nd1 (25.Ba1 Qg4 26.g3 Ba3 27.Kd2 Bb4-+) 25...e4 26.Re3 f5 (26...Bc5 27.Rc3 Qd5 28.Rf1-+) 27.f4 (27.Nd4 Rb2! 28.Nb2 Qd4 29.Nd1-+) 27...Bc5 28.Rc3 Qe2 29.Rc5 Rb2! (29...Rb2 30.Nb2 Qe3 31.Kb1 Qc5 32.Ka2 Qc2 33.Rb1 Qb3 34.Ka1 Qa3) 0–1. iivanov (2485) – pierred (2645), net–chess.com, 2008.

8.Bb3 Bd6 9.g4 (9.Nf3 Nf5 10.Qa4 0-0+=) 9...h5-/+ 10.Ne2 (10.g5!?-/+) 10...g5 11.Qh3 Nc5 12.Qf3 Ng6 (12...hg4?! 13.Qf6 Rf8 14.Qg5+=; 12...Nb3?! 13.ab3 Rh6 14.gh5-/+) 13.gh5 Nh4 14.Qc3 Bg4 15.Ng3 (15.Kd1 Qd7 16.Bc4 b5-+ (16...Bh5?! 17.Na3-+; 16...Rh5?! 17.Na3-+)) 15...Nf3 16.Kf1 (16.Kd1 Nd4 (worse is 16...Nb3 17.ab3 Nh4 18.Kc1-/+) 17.Kc1 Ne4-+ (17...Bh5?! 18.Qe3 Qe7 19.Nh5 Rh5 20.d3-/+; 17...Ndb3?! 18.ab3 Bh5 19.d4=; 17...Ncb3?! 18.ab3 Be7 19.Qa5+=)) 16...Bh3 17.Ke2 Nd4 (17...Bg2 18.Rc1-+) 18.Kd1-/+ Bg4 19.Ke1 (19.Kc1 Ne4! (19...Bh5?! 20.Qe3 Qe7 21.Nh5 Rh5 22.d3-/+; 19...Ndb3?! 20.ab3 Bh5 21.d4=; 19...Ncb3?! 20.ab3 Be7 21.Qa5+=) 20.Qe3 Ng3 21.Ba4 Ke7 22.hg3 Ne2 23.Kd1 Ng3 24.f3 Nh1 25.fg4 Qc8-+) 19...Qd7 (better is 19...Bf3 20.Rg1 Ncb3 21.ab3 Bd5-+) 20.d3?? (better is 20.Qc4-+) 20...Ncb3 21.Ne4 (21.a3 Na1 22.Ba1 Bf3-+) 21...Qf5 22.Ng3 Qf3 (22...Qf4 23.Qb3 Nb3 24.ab3-+) 23.Nd2 Nd2 (better is 23...Qf4 24.Qb3 Nb3 25.ab3 Bc5-+) 24.Kd2 (24.Qd2 Qh1! 25.Nh1 Nf3 26.Kd1 Nd2 27.Kd2 Rh5 28.Ng3 Rh2 29.Ne4-+) 24...Bb4! 25.Qb4 Qf2 A classical mating theme (25...Qf2 26.Ne2 Qe2 27.Kc1 Qc2) 0–1. Gawlik,James H – Borwell,Alan Peter, corr England PCC, 1960.

8.Bd3 Bc5 9.Nf3 c6 (9...0-0!?+=) 10.dc6= bc6 Black gets strong play along the open b–file 11.Nc3 (better is 11.Ba3!?=) 11...Rb8-/+ 12.Rb1 (12.Bc1 f5 13.Ng5 Nd5 14.Bf5 gf5 15.Qh5 Ke7 16.Qf7 Kd6 17.Qf5 N7f6 18.Nf7 Ke7 19.Nd8 Bf5 20.Nc6 Kf7 21.Nd5 Nd5-/+) 12...Rb4 13.Qh6 Qb6 14.Nd1 e4 (14...Bf2 15.Kf1 Nc5 16.Qg7-/+) 15.c3 Bf2 (15...Ra4 16.Qh4 Ba6 17.Bf1-+) 16.Nf2+= Rb2 17.Rb2 Qb2 18.Ne4? (better is 18.Be4 Qa1 19.Nd1+=) 18...Nf5-+ 19.Nd6 (19.Nf6 Nf6 20.Bf5 Bf5-/+) 19...Nd6 20.0-0 Qa2 (20...Nf7 21.Qe3 Nfe5 22.Bc4-+) 21.Qg7 (21.Bg6 Kd8-+ (worse is 21...hg6 22.Qh8 Nf8 23.Qf6+/-)) 21...Qg8 (21...Rg8 22.Re1 Kd8 23.Qe7 Kc7 24.Nd4-+) 22.Re1 Kd8 23.Qe7 Kc7 24.Nd4 Qd5 25.Ne6 (25.Qg7 Re8 26.Re8 Ne8 27.Qh7-+) 25...Kb6?? (25...Kb8!? 26.Rb1 Nb5 27.Bf1-+) 26.Rb1?? (better is 26.Qd6! Qd6 27.Rb1 Ka5 28.Ra1 Qa3 29.Ra3 Kb6 30.Rb3 Ka5 31.Nd4=) 26...Nb5-+ 27.Nd4 (27.Bf1 Qe4 28.Rb3 a6=) 27...a6 28.Qe3 (28.Qg7 Qg8 29.Qh6 Ne5-+) 28...Nc5 29.Qg3 (29.Bc2 Qe5 30.Qf2 Rd8-+) 29...Bb7 30.Bf1 (30.Be2 Re8-+) 30...Re8 31.Qh4 (31.Nf3 Ne4 32.Qh4-+) 31...Qe4 32.Qe4 Ne4 33.Nf3 (33.c4 Rd8 34.Ne6 Rd2-+ (worse is 34...Nd2 35.Rb5 cb5 36.c5 Ka7 37.Nd8-+)) 33...Ka7 (33...Kc7 34.c4 Nbd6 35.d3-+) 34.c4 Nbd6 35.d3 Nc5 (35...Ng5 36.Ng5 fg5 37.c5-+) 36.d4 Ne6 (36...Nce4 37.c5 Nb5 38.Re1-+) 37.c5 Nb5 38.Re1 Nec7 (38...Nbc7 39.Kf2-+) 39.Ra1 (39.Re8 Ne8 40.Kf2 Nec7-+) 39...Bc8 (39...g5 40.h3-+) 40.h3 Be6 (40...Be6 41.Re1 Bd5 42.Re8 Ne8 43.Bb5 ab5-+) 0–1. Algra,Klaas – Reits, corr NED–chS, 1986.

8.Bd3 Bd6 9.Nc3 0-0 10.Nf3 Nb6 11.Qf6?? (better is 11.0-0+=) 11...Rf6-+ 0–1. Sternik,Ryszard – Moedl,Willy, b4–04–19, 2004.

8.d6!? cd6? 9.Bf7!

8.d6 Bd6 9.f4 (9.Nf3!?-/+) 9...Nf5-+ 10.Qf2 ef4 11.Ne2 Nb6 12.Bb3 g5 (12...a5 13.Nf4 a4 14.Qe2 Qe7 15.Nd5 Qe2 16.Ke2 ab3 17.Nb6 cb6 18.Bf6 Bh2 19.Bh8 Ng3 20.Ke3 Nh1 21.ab3 Bg1 22.Kf4-+) 13.0-0-/+ Bd7 (13...Be5!? 14.d4 Bd6-/+) 14.Re1+= Kf8 15.Nbc3 Bc6 16.Nc1? (better is 16.a4!?+=) 16...Be5-+ 17.Nd3?? (better is 17.N1e2-+) 17...Bd4 (17...Bd4 18.Ne4 Bf2 19.Ndf2 Nd7-+) 0–1. Gross,Wilhelm – Mephisto, 1987.

8.d6 Nf5 9.Bf7 Kf7 10.Qb4 cd6-/+.

8.f4 Bd6 9.Ne2 (9.Nf3 Nf5 10.Qf2 0-0+=) 9...Nf5 10.Qh3 (10.Qf2 Bc5 11.Qf3 Nd6+=) 10...a6 (10...ef4 11.Qc3-/+) 11.g4 (11.0-0 Nb6 12.Qb3 Bc5 13.Kh1 Nd6=) 11...Nb6 (11...Ne7 12.fe5 Ne5 13.Be5 Be5 14.d4-/+) 12.Bb3 Ne7 13.Qg2 White prepares g5 (13.Qf3 h5 14.g5 Rf8+=) 13...Bd7 (13...ef4 14.g5 Be5 15.d4-/+) 14.g5= Nf5 (14...ef4 15.gf6 Nf5 16.Nf4 Bf4 17.Qe4 Kf7 18.d6 (18.Qf4?! Re8 19.Kd1 Rc8+-) 18...Kf8 19.Qf4 cd6 20.f7+-) 15.h4 (15.Qe4 fg5 16.fe5 Qe7+/-) 15...c5 (15...Bb5 16.gf6 Qf6 17.fe5 Nh4 18.ef6 Ng2 19.Kf2 Be2 20.Kg2=) 16.c4 (16.Qe4!? 0-0 17.h5=) 16...Nd4+= (16...ef4?? 17.Bf6 Qc7 18.Bh8+-) 17.h5 Bf5 18.hg6 Bg6 (18...Nb3 19.Rh7 Rh7 20.gh7 Bh7 21.ab3+/-) 19.Nbc3 (19.fe5!? fe5 20.Rf1-/+) 19...fg5-/+ (19...Nb3 20.ab3 ef4 21.Ne4+=) 20.fe5 Be5 (20...Nb3 21.ab3 Be5 22.Rh3-/+) 21.0-0-0 (21.Nd4 cd4 22.Ne4 a5-/+) 21...Qe7 22.Nd4 (22.d3 Nb3 23.ab3 h5-+) 22...cd4-/+ (22...Bd4 23.Rde1 Be5 24.d6 Qd6 25.Nb5 ab5 26.Be5+-) 23.Na4 (23.Ne2-/+) 23...Nd7 (better is 23...Na4!? 24.Ba4 Kd8-/+) 24.Rde1+= 0-0 (24...0-0-0 25.Bd4 Qa3 26.Bb2 Bb2 27.Nb2+=) 25.d6!= Qg7 (25...Bd6 A pinning theme 26.Re7 Annihilates a defender: e7) 26.c5 Kh8 27.Qg5 (27.Qb7 Rac8 28.c6 Bd6+=) 27...b5 28.c6? (better is 28.Nb6 Rf5 29.Qe7 Nb6 30.Re5 (30.cb6?? Rc8 31.Bc3 dc3 32.Qg7 Kg7-+) 30...Re5 31.Qg7 Kg7 32.Bd4=) 28...ba4-+ 29.cd7? (better is 29.Bc2 Bc2 30.Qg7 Bg7 31.Kc2-+) 29...ab3?? (better is 29...Bf6 30.Qh6 Qh6 31.Rh6 ab3 32.ab3 Rfd8-+) 30.Re5 (better is 30.Qe5 Qe5 31.Re5 ba2 32.Bd4=) 30...Qf6?? (better is 30...Qd7 31.Bd4 Kg8-/+) 31.Qf6+- (31.ab3 Qd6 32.Bd4 Qd4-+; 31.Bd4?! Qg5 32.Rg5 Kg8 33.ab3 Rad8+/-) 31...Rf6 32.Bd4 (32.Bd4 Kg8 33.Re8 (33.ab3?! Rd6 34.Bc5 Rd7+=) 33...Be8 34.de8Q (34.Bf6?! Bd7 35.ab3 Rb8+=; 34.de8B Rd6 35.Rg1 Kf8-/+; 34.de8N?! Rf4 35.Nc7 Rd4 36.Na8 ba2+/-; 34.de8R?! Re8 35.Bf6 ba2+-) 34...Re8 35.Bf6 ba2 36.Kb2 Rb8 37.Ka2+-; 32.ab3?! Rd6 33.Rh4 Rd7 34.Rd4 Rd4 35.Bd4 Kg8=) 1–0. Bellinger – Flynn, England, 1965.

8.f4 Nf5-/+ 9.Qf2 ef4 10.Qf4 (10.Nc3 Bd6+=) 10...Qe7-/+ 11.Ne2? (better is 11.Kd1-/+) 11...Ne3-+ 12.Qf3? (12.Kf2 Nc2 13.Qc7-+) 12...Nc4 13.Nbc3 (13.Bd4-+) 13...Nb2 (13...Nde5 14.Qg3 Nb2 15.0-0-+). Friberger,Torbjoern – Larsson,M, corr SSKK 2–753, 1991.

8.Qg4 a6 9.Qf3 (9.Bb3 Bd6=+) 9...Nf5 (9...Nb6 A) 10.Qf6? Rf8 11.Qh4 Rf4 (11...Nc4?! 12.Qc4 Rf4 13.Qb3=) 12.Qh7 Nc4-+ (12...Rc4?! 13.c3 Na4 14.Ba3 Ba3 15.Na3-+); B) 10.Bb3 Ned5 11.Ne2-/+) 10.Ne2=+ Nb6 11.Bb3 Bd7 12.0-0 Bb5 (12...Bd6 13.c4=+) 13.c3 Bd6 14.d3 Bc5 15.a4 Bd7 16.Nd2 0-0 (16...Bd6 17.Ne4=) 17.a5+=.

8.Nh3 Nf5 9.Qg4 Bc5 10.0-0 (10.f4 Bd4 11.c3 Bc5-/+) 10...Nb6-/+ 11.Qe2 Ne7 12.Bb5 c6 13.dc6 bc6 (13...Nc6?! 14.Ng5 Bf5 15.Ne4 Be4 16.Qe4=) 14.Ba6 Bh3 15.gh3 Nbd5 16.Bc4 Nf4 17.Qf3 Rb8 18.Ba3 Ba3 19.Na3 Qd7 20.Rab1 Rb6 21.Bb3 Ra6 22.Bc4 Qh3 (22...Nh3?! 23.Kh1 Rb6 24.Rb6 ab6 25.Qf6-/+) 23.Rb3 Qf3 24.Rf3 Ra4 25.d4 g5 26.Rd1 (better is 26.Rb3!? Kd7 27.Rd1 ed4 28.Rd4 Kc7 29.Rd1-+) 26...ed4-+ 27.Rb3 Kd7 (27...Kf8!? 28.c3 dc3 29.Rd8 Kg7 30.Rd7-+) 28.Rd4-/+ Kc7 29.Rd1 Rb8 30.Rb8 Kb8 31.Rb1 Kc7 32.Rb3 Nf5 33.Rc3 Nd6 34.Bf1 Ne4 35.Re3 Nd2 36.h3 Kb6 37.Bg2 h5 (37...Ng2?! 38.Kg2 Kc5 39.Rd3-+) 38.Kh2 Kc5 (38...Ng2?! 39.Kg2 Kc5 40.Rd3-+) 39.c4 a5 40.Kh1 h4 41.Kh2 f5 42.Re5 Kd6 43.Re3 Nc4 (43...Nc4 44.Nc4 Rc4-+) 0–1. Pcmvr (2165) – BDG_Girl (1920), playchess.de, 2006.

8.Ne2 Nf5

9.Qg4 a5 10.a3 Bc5 11.Ba2 Nb6 12.Qf3 Na4 13.Bc1 0-0 14.0-0 Qd6 15.c3 Bd7 (15...Kg7 16.g4 Nh6 17.d4+=) 16.d3 Kh8 17.Nd2 Qe7 (17...Ba3? 18.Nc4 e4 A) 19.Nd6?? ef3 20.Ba3 fe2 (20...cd6?! 21.gf3 Rfe8 22.Rfe1-+; 20...Nd6?! 21.Nd4-/+) 21.Nf5 ef1R (21...ef1N?! 22.Bf8 Rf8 23.Nd4-+; 21...Bf5?! 22.Rfe1 Rfe8 23.Bc4-+; 21...gf5?! 22.Rfe1 Rfe8 23.Rac1-/+) 22.Kf1 Bf5-+ (22...gf5?! 23.Bf8 Rf8 24.c4-+); B) worse is 19.de4 Nh4 20.Qd3 Bb5+-; C) 19.Qe4 Bc1 20.Nd6 (20.Rfc1?! Qa6+=; worse is 20.Nc1 Qe7+=; 20.Rac1?! Qa6=) 20...Nd6 21.Qd4+- (21.Rfc1 Ne4 22.de4 Nc5+=)) 18.Ne4 Nh4 19.Qg3 g5 (19...Nf5 20.Qf3=) 20.Nc5+= Qc5 21.Qe3 Nf5 22.Qd2 Nb6 23.c4 c6 24.Nc3 cd5 25.cd5 Na4 26.Ne4 Qe7 27.Rb1 b6 28.Bb3 Rab8 29.Re1 Rfc8 30.Qd1 Nc5 31.Bb2 Re8 32.Ba2 Na4 33.Ba1 Rbc8 (33...Nc5 34.Bc4+=) 34.Qd2 (34.d4 ed4 35.Bd4 Nd4 36.Qd4 Nc3=) 34...g4 (34...Nd4 35.Bd4 ed4 36.Bc4+=) 35.Bb3 Nc5 36.Bd1 Ne4 37.de4 (37.Re4?! g3=) 37...Nd6 38.a4 (38.Rb6? Nc4 39.Qc3 Nb6 40.Qa5 Nc4-+) 38...Rc5 39.Qd3 (39.Rb6? Nc4 40.Be5 fe5-+ (40...Nb6?! 41.Bd4-+; 40...Ne5?! 41.Ra6-/+)) 39...Rb8 40.Qa3 Rbc8 41.f4 (41.Rb6 Nc4 42.Qb3 Nb6 43.Qb6 Rc1-/+) 41...gf3 42.Qf3 Rc4 43.Qa3 R4c5 44.Rf1 (44.Be2 Kg7+/-) 44...Ne4= 45.Rb6 f5 46.Re1 Qg7 47.Qd3 Qe7 48.Rb7 Re8 (48...Kg8 49.Be5 Qe5 50.Rd7-/+) 49.d6 Qh4 (49...Qd6 50.Qd6) 50.Rf1 Qd8 51.Bf3 Bc6 52.Rc7 Rd5? (better is 52...h6+/-) 53.Qc4+- Nd2 54.Qc6 Rd6 55.Qb7 Nf3 56.gf3 (56.gf3 Rh6 57.Be5 Re5 58.Rc8+-; 56.Rf3?! Rd1 57.Rf1 Rf1 58.Kf1 Qd1 59.Kf2 Qd2 60.Kf3 Qd1 61.Kf2 Qd2 62.Kf1 Qd1 63.Kf2=) 1–0. Johansson,Mats (1800) – Cuevas Lavallade,Jesus (1815), b2–b4.com, 2004.

9.Qg4 Bc5 10.Ba3=+.

9.Qg4 Bd6 10.Nbc3=+.

9.Qg4 Qe7 10.0-0 Nb6 11.Bb5 Kf7 (11...Kd8 12.Qf3=) 12.Qf3 (12.a3 Bc5 13.Qf3 Rd8+=) 12...Nd6 13.a3 Nb5 (13...Bc5 14.Nec3+=) 14.ab4 Qb4 15.Be5 Bf5 16.Ng3 (16.Bf4 Qe4 17.Qe4 Be4+=) 16...fe5 (16...Qg4 17.Qg4 Bg4 18.Ra5-/+) 17.Nf5 Qf4 18.Qb3 (18.Qe2 Qf5 19.Qb5 Qc2-/+) 18...Qf5-/+ 19.Qb5 Qc2 20.Qe2 Rhd8 (20...Qf5 21.Nc3-/+) 21.Nc3 (21.Qe5 Rd5 22.Qf4 Rf5-/+) 21...Qf5 22.Ra5 Kg8 (22...Kg7 23.Rfa1-/+) 23.d3 a6 (23...Kg7 24.Rb1-/+) 24.Rb1 Rab8 25.Qa2 Qf7 The pressure on the isolated pawn grows 26.Re1 Nd7 (26...Re8 27.Ne4 Rbd8 28.Qb2 Nd5 29.Qb7+=) 27.Ne4 h6 28.Re3 (28.Qd2 Qf4 29.Qc2 Rdc8+=) 28...Kg7 29.Rf3 Qe7 30.Qb2 Rdc8 (30...Ra8 31.Ra2+=) 31.Re3 Kh7 (31...c6 32.d6 Qe6 33.d4=) 32.Rh3 Kg7 (32...c6 33.Qd2 h5 34.d6=) 33.d4 (33.Re3 Qh4+=) 33...Rf8 (33...Re8 34.Qc1 g5 35.Nc5=) 34.Qc1 g5 (34...ed4? 35.Qh6 Kf7 36.Ng5 Ke8 37.Qg6 Kd8 38.Ne6 Kc8 39.Ra1+-) 35.de5 (35.Qc7?? Rbc8 (35...ed4?! 36.Ra1-+) 36.Rc3 Rc7 37.Rc7 Rf4-+) 35...Qe5 36.Re3 Qd4 37.h4 Rbe8 (worse is 37...gh4 38.Qc7 Qd1 39.Kh2+-) 38.Qc7 Re4 39.Re4 (39.Qd7 Rf7 40.Qc8 Re3 41.fe3 Qe3 42.Kh2 Qf4 43.g3 Qd2 44.Kh3 Qa5-+) 39...Qe4 40.Qd7 Rf7 41.Qe6 Qe6 42.de6 Re7 43.hg5 Re6 44.gh6 Rh6 45.Rc5 (better is 45.Rd5+=) 45...Rc6 (45...Rf6!?+=) 46.Rc6+= bc6 47.Kf1 ½–½. Tschoepe,Frank – Bonetti,Shane, TT–09 ETC, 2003.

9.Qg4 Qe7 10.Nbc3 Nb6 11.Bb5 Kf7 12.Qe4 (12.Bd3 Rd8+=) 12...a6 (12...Bc3!? 13.Nc3 Nd4-+) 13.Bd3+= Re8 (13...Rd8 14.a3 Bc5 15.a4+=) 14.0-0= Bc5 (14...Kg7 15.Rfb1+=) 15.a4 Bd7 (15...Kg8 16.a5 Nd6 17.Qh4=) 16.a5 Nc8 17.Qc4 Bd6 18.Qb3 b5 (18...Ra7 19.Ne4+=) 19.ab6+/- Nb6 20.Ra6 Ra6 21.Ba6 Ra8 22.Bb5 Nd4 (22...Kg7!?+=) 23.Nd4+/- ed4 24.Bd7 dc3 (24...Qd7!? 25.Nb5 Kg7+/-) 25.Be6+- Kg7 26.Bc3 Ra3 (26...Na4 27.Bd4+-) 27.Qb5 Na4 28.Bd4 c5 (28...Bf4 29.Rd1+-) 29.Be3 f5 30.g3 f4 (30...h6 31.d3+-) 31.gf4 Qf8 (31...Kf6 32.d4 c4 33.Bc1+-) 32.Qd7 (32.f5 Qe7+-) 32...Qe7 33.Qe7 Be7 34.Rb1 Ra2 (34...Kf6 35.h4 h6 36.Rb7+-) 35.Rb7 (better is 35.d6 Bd6 36.Rb7 Kf8 37.Ba2+-) 35...Kf6 36.c4 (36.Ra7 Nc3 37.Re7 Ne2 38.Kf1 Ke7 39.Bc5 Kf6 40.Ke2 Rc2 41.Bd4 Ke7+-) 36...Rc2 37.Bg8 Nb2 (37...Rb2 38.Ra7 Rb8 39.Bh7 Nb2+-) 38.Bc5! Kf5 (38...Bc5 39.Rf7 The nicest combinations are those leading to mate) 39.Re7 (39.Re7 Nd3 40.Be3 Rc4 41.d6+-) 1–0. Buczinski,Henryk – Borwell,Alan P, corr ICCF Master Class, 1978.

9.Qg4 Qe7 10.Nbc3 Bc3 11.Bc3 Nb6 12.Bb5 Kd8 13.Bd3-/+.

9.Qg4 Qe7 10.Nbc3 Bc3 11.Nc3 Qb4+= 12.0-0-0 Nd4 13.d3 b5 14.a3 Qc5 15.Ba2 b4 16.ab4 Qb4 17.f4 Rb8 18.Ba1 Nb6 (18...ef4 19.Rde1 Kd8 20.Rhf1-/+) 19.Qh4+= 0-0 (19...Nf5 20.Qf6 Qf4 21.Rd2+=) 20.Kd2 g5 (20...Nf5 21.Qf2 Nd6 22.Rhf1 Qf4 23.Qf4 ef4 24.Ne4+=) 21.Qf2 (21.Qh5!?=) 21...gf4 22.Rb1 Qa5 23.Ke1 (23.d6 Kg7 24.dc7 Rb7+=) 23...Ba6 (23...Kg7 24.Kf1-/+) 24.Kd1 (24.d6 Kg7 25.dc7 Rbc8+=) 24...Kh8 (24...Nc4 25.Rb8 Ne3 26.Kd2 Rb8 27.g3 Nec2 28.gf4 Na1 29.Qg1 Kh8 30.Qa1-+) 25.Bb2 Nd5 (25...Bc8 26.h3-/+) 26.Bd5+= Rb2 27.Rb2 Decoy theme: b2 27...Qc3 28.Kc1 Bd3 29.Qe1 Qc5 30.c4 Rd8 31.Qc3 e4 (31...Ne2 32.Re2 Be2 33.Re1-+) 32.Kd2 (32.Bb7 Qe5 33.Qa3-+) 32...c6 33.Qb4 (33.Bf7 f3 34.Ke1 Nc2 35.Kd1 Bc4 36.Kc1 Qg5 37.Kb1 Bf7 38.Qc2 e3-+) 33...Qb4 34.Rb4 cd5 35.c5 Nc6 36.Rb7 Ne5 37.Ra7 e3 (37...e3 38.Kc1 Rc8-+) 0–1. Bonetti,Shane – Benassi,Aspasio, b2–b4.com, 2003.

9.Qg4 Be7 10.Bb5 Nd6-/+ 11.Ba4 0-0 12.Bb3 Nb6 13.Qh4 Nbc4 14.Bc3 (14.Bc1 f5 15.Qg3 Bh4-/+) 14...f5 15.Qh3 f4 16.Qd3 f3 (16...Bf5 17.Qf3 e4 18.Qf4-+) 17.Ng3-/+ fg2 18.Rg1 Bg4 19.Rg2 (19.Bc4 Rf3 20.Qe2 Bf6-/+) 19...Bf3 20.Rg1 Rf4 21.Qf1 (21.Bc4 Nc4 22.Ne2 Be2 23.Qe2 Bh4-+) 21...Bf6 22.Qd3 (22.d3 Nb6-/+) 22...Bg4 (22...e4 23.Qf1 Ne5 24.h3-+) 23.Qf1 (23.Bc4 Nc4 24.h3 Bh3-/+) 23...Bh4-+ 24.Qd3 (24.d3 Ne3 25.fe3 Rf1 26.Rf1 Qg5-+) 24...Qf6 (24...Bg3 25.hg3 Re4 26.Qe4 Ne4 27.Bc4-+) 25.Bc4 (25.h3!? Bh3 26.Bc4 Nc4 27.Rh1-+) 25...Nc4-+ 26.Rg2 (26.Rf1 Rf8 27.f3 Bh3-+) 26...Rf8 27.d6 (27.Bb4 Rf2 28.Bf8 Rg2 29.Bc5 Rh2 30.Bg1 Bg3 31.Qg3 Re2 32.Kd1 Rd2 33.Ke1 Rd1) 27...Bf3 28.Rg1 Bg3 (worse is 28...cd6 29.Kf1-+) 29.Rg3 Re4 30.Kf1 Be2 (30...Be2 31.Qe2 Re2-+) 0–1. Machete99 (2120) – blik (2280), ICC, 2002.

9.Qg4 Be7 10.Nbc3 Nb6 11.Bb5 Bd7 12.Qf3=+.

9.Qg4 Be7 10.Nbc3 Nb6 11.Bb5 Kf8 (11...Bd7 12.Qf3+=) 12.Qf3 Nd6 13.Bd3 Kg8 (13...Kg7 14.0-0+=) 14.0-0 (14.Rb1 Ndc4=) 14...f5 15.Qg3 e4 16.Ne4 (16.Bb5 Bh4 17.Qe3-/+) 16...fe4-+ (worse is 16...Ne4 17.Be4 fe4 18.Qc3+-) 17.Qe5 The mate threat is Qg7 17...Bf6 18.Qf6 Qf6 19.Bf6 ed3 20.cd3 Nd5 21.Bh8 Kh8 22.Rac1 (22.Nc3 Nf4 23.Rfe1 Bd7-/+) 22...Bf5 23.d4 c6 24.Nc3 Nf4 25.Rcd1 (25.Ra1 Re8-+) 25...Bc2 (25...Rd8 26.Rfe1-+) 26.Rc1 Be4 27.f3 Bd3 (27...Bf5 28.g3 Nd3 29.Rb1-+) 28.Rfe1-/+ Nf5 (28...Ba6 29.Rb1-/+) 29.Ra1 (29.g3 Nd4 30.gf4 Nf3 31.Kf2 Ne1 32.Re1 Rd8-/+) 29...h6 (29...Rd8 30.d5 Nd5 31.Nd5 Rd5 32.Re8 Kg7 33.a3-+) 30.d5 (30.g3 Nd5 31.Nd5 cd5-/+) 30...cd5-+ 31.g3 d4 32.gf4 (32.Ne4!? Nd5-/+) 32...dc3-+ 33.dc3 Rc8 34.Rac1 Bc4 (34...b5 35.Kf2-+) 35.a4 Bd5 (35...Kg7 36.Kf2-+) 36.Kg2 (better is 36.a5-+) 36...Rc4 37.Rcd1 Bc6 38.a5 Rc3 39.Kg1 Rf3 (39...Kg7 40.Rc1 Rb3 41.Rc4-+) 40.a6 ba6 (40...Rf4?! 41.ab7 Bb7 42.Rd8 Kg7 43.Rd7 Kf6 44.Rb7+=) 41.Re6 Bb5 42.Rg6 Rf4 43.h3 Rf3 (43...a5 44.Rd5 Rf1 45.Kh2-+) 44.Rd8 Kh7 45.Rf6 0–1. Machete99 (2220) – blik (2425), ICC, 2002.

9.Qg4 Be7 10.d4 Nb6 11.Bb5 Kf7 12.de5 Qd5-/+.

9.Qh3 Nb6-/+ 10.Qb3 a5 (10...Nc4 11.Qc4 Qd6 12.f4-/+) 11.a3 (11.Bb5 Bd7 12.Bd7 Qd7+=) 11...Bc5 (11...Nc4 12.Qc4 Nd6 13.Qb3=) 12.Nbc3 (12.Qb5 Nd7=) 12...Nd6 (12...Nc4 13.Qc4 Bb6 14.0-0+=) 13.Bb5= Bd7 14.Bd7 Qd7 15.0-0 0-0 16.a4 (16.Rae1 a4 17.Qa2 Ndc4+=) 16...Qg4 (16...Nbc4 17.d3 Nd2 18.Qa2 Nf1 19.Rf1-+) 17.Ba3 Nd7 (17...Ba3 18.Ra3 Nbc4 19.Re1 Na3 20.Qa3-+) 18.Rad1 (18.Rfe1 Rad8=) 18...Rad8 19.Bc5 (19.Rde1 Ba3 20.Qa3 Nc4+=) 19...Nc5 20.Qa2 Qc4 (20...Nce4 21.Ne4 Ne4 22.f3+-) 21.Qc4 Nc4 22.d4 Na6 (22...Nd7 23.de5 Nde5 24.f4+=) 23.de5 fe5 (23...Ne5 24.Rfe1 Rfe8=) 24.Ne4+= Nb4 (24...Nb2 25.Rb1 Na4 26.Rb7 Rd5 27.c4=) 25.N2c3 (25.Nc5 Nd5 (worse is 25...Nc2 26.Ne6+=) 26.Ne6 b6 27.Nd8 Rd8+=) 25...b6 (25...Nc2 26.Rb1 Nb4 27.Rfd1-/+) 26.Ng5 (26.Nd2 Nb2 27.Rde1 Nd5 28.Nd5 Rd5-/+) 26...Rf5 (26...Nc2 27.Ne6 Nd4 28.Nd8 Rd8+/-) 27.Ne6= Rd7 28.Ne4 (28.g4 Rf3 29.Ne4 Rd5 30.Nc7 Rd4 31.Rd4 ed4-/+) 28...Nd5 (28...Rd5 29.Nc7 Rd1 30.Rd1 Nc2 31.Rd7+=) 29.Nc7= Rc7 A deflection (29...Nc7 A pinning theme 30.Rd7) 30.Rd5 Nb2 31.Ra1 (31.Nd6 Rf8 32.c4+=) 31...Rc2-/+ 32.f3 (32.Rd7 Rf7 33.Rd8 Kg7-+) 32...Rf7 (32...Kg7 33.Rd7 Rf7 34.Rd5-/+) 33.Re5+= Nd3 (33...Rfc7 34.Re8 Kg7 35.Ra2+=) 34.Re8= Kg7 35.Rd8 (35.Rb1 Nf4 36.Nf2 Rd7+=) 35...Nf4+= 36.Rd2 Rd2 37.Nd2 ½–½. Nemec,Zdenek – Bonetti,Shane, TT–12 ETC, 2004.

9.Qh3 Nc5 10.0-0 (10.c3 Ba5 11.0-0 Nd6-+) 10...Nd6 (better is 10...Nd4!? 11.Qh6 Nc2-/+) 11.Qh4+= 0-0 12.Bb5 (12.Bb3 a5+=) 12...Ba5 (12...Nb5?! 13.Qb4 b6 14.f4+=) 13.Ba3 Bb6 14.Nbc3 (14.Bc5 Bc5 15.Nbc3 f5 16.Qd8 Rd8-/+) 14...f5 (14...Nb5 15.Nb5 Qd5 16.d4 ed4 17.Nbd4-/+) 15.Qd8 Rd8 16.Bc5 (16.d3 Nb5 17.Nb5 Rd5+=) 16...Bc5-/+ 17.Ba4 a6 18.Bb3 b5 19.Rae1 (19.Rfe1 a5 20.a4 b4-/+) 19...g5 (19...a5 20.a4 ba4 21.Na4-/+) 20.Ng3 Re8 (20...a5 21.a4 (21.Re5? a4-+) 21...b4 22.Nd1-/+) 21.a4 (21.Nh5 Kh8+=) 21...Kf7 22.ab5 (22.Re2 ba4 23.Ba4 Re7-/+) 22...ab5 (worse is 22...Nb5 23.d6 Kf8 24.Nb5 ab5 25.dc7=) 23.Rb1 (23.Ra1 Bd7-/+) 23...Bd7 24.Rfe1 (24.Ra1 Ke7-/+) 24...e4 25.Nge2 (25.Ra1 b4 26.Na4 Ba7-/+) 25...Ra3-+ 26.d3 (26.h4 h6-+) 26...ed3 27.cd3 b4 28.Na2 f4 (28...Bb5 29.Nac1-+) 29.Kf1 (29.d4 Bb6 30.Nb4 Bf5-+) 29...f3 (29...Bf5 30.Nec1 Rea8 31.Rb2-+) 30.gf3 Bh3 31.Kg1 Nf5 (better is 31...Bf5 32.Nac1 h5-+) 32.Nac1? (32.d6 Rb3! 33.d7 Re2 34.d8Q Bf2 35.Kh1-+) 32...Nd4-+ 33.Kh1 (33.d6 Kf6 34.Kh1 Nf3-+) 33...Nb3 (worse is 33...Nf3 34.Rd1 Bd6 35.Ng3-+) 34.Nb3 Bf2 (34...Bf2 35.Nbd4 Be1 36.Re1 Rd3-+) 0–1. pcmvr (1960) – dirklanger (2245), ChessHere.com, 2007.

8.Nf3 Nf5

9.Qe4 Nd6 10.Qe2 0-0 11.0-0 e4 (11...a5 12.d3=+) 12.Nd4= Ne5 (worse 12...Nc4 13.Qc4 a5 14.d6 Kh8 15.dc7+/-) 13.Bb3 Bg4 14.Qe1 Nec4 (better 14...Qe7!?=) 15.Bc4+/- Nc4 16.Qe4 Nb2 17.Qg4 Qd6 (17...Qd5!? 18.Ne6 Qc4 19.Qc4 Nc4+/-) 18.Ne6 Rfe8 19.Qb4?? (better 19.Qf3 Nc4 20.c3+-) 19...Qb4-+ 20.Nc7 Nc4 (20...Qa4 21.Na8 Ra8 22.c3-+) 21.Na8 Ra8 22.Rc1 Qb2 (22...Re8!? 23.Rd1-+) 23.Nc3 Nd2 24.Nd1 Qd4 25.Ne3 Re8 26.Rd1 (26.c3 Qc5 27.c4 Re3 28.fe3 Nc4-+ (worse 28...Qe3 29.Kh1-+)) 26...Qc3 (better 26...Re3!? 27.fe3 Qe3 28.Kh1-+) 27.Rac1 (27.Rac1 Re3 28.fe3 Qe3 29.Kh1-+) . fimon1703 (2155) - genieer (2275), Rated Classical tournament, lichess.org, 2016.

9.Qe4 Nd6 10.Qe2 Nc4 11.Qc4 a5+=.

9.Qg4 a5 10.a3 Bc5 11.d4 (11.Qe4 Nd6 12.Qe2 0-0-/+) 11...ed4 12.Qe4 (12.0-0 0-0 13.Qf4 Bd6-/+) 12...Kf7 13.d6 Kg7 14.dc7 Qc7 15.0-0 Ne5 16.Ne5 Qe5 17.Nd2 (17.Qe5 fe5 18.Nd2 Bd7-/+) 17...Nd6 18.Qe5 fe5 19.Bd5 (19.Ba2 Bf5 20.f4 d3 21.Kh1 dc2-+) 19...Re8 20.f4 Bf5 (20...Nf5 21.Ne4 Ba7 22.Rf3-+) 21.Nf3 Bc2 22.Ne5 (22.Rfc1 d3 23.Kh1 Bd4 24.Nd4 ed4 25.Bd4 Kf8-+) 22...Rac8 (22...Rad8 23.Rfc1 Nf5 24.Rc2 Rd5 25.g4-/+) 23.Rac1 (23.Rf2 Be4 24.Bb3 Bf5-/+) 23...d3 24.Kh1 Kf8 25.Nd7 Ke7 26.Nf6 Rf8 27.Nh7 (27.Ra1 d2 (27...Rf6?! 28.Rae1 Kf8 29.Bf6-+) 28.Nh7 Rf5-+) 27...Rf5 28.Ba2?? (better is 28.Be5 Ba3 29.Rce1-/+) 28...Ne4-+ (28...Ne4 29.g4 Nf2 30.Rf2 Bf2 31.gf5 d2-+) 0–1. pierre – dirklanger, internet, 2006.

9.Qg4 Be7

10.Nc3 Nc5

11.Bb5= Kf8

12.Rc1 a6 13.Be2=+.

12.Rc1 e4

13.Ne4 Ne3 14.Qc8 Rc8 15.Nc5 Ng2 16.Kf1 Nf4 17.Nd7 Kf7-+.

13.Ne4 Ne3 14.Qg5 fg5 15.fe3 Ne4 16.Bh8 g4-+.

13.Ng1 c6 14.dc6 bc6 15.Bc6 Nd4 16.Qf4 Nc6 17.Ne4 Kg7-+.

13.Ng1 c6 14.dc6 bc6 15.Bf1 Kg7 16.Ne4? Nd6 17.Qh4 Nde4-+.

7.ed5 Nf5

8.Bb5 Kf7?? 9.Qb4+- Qd5 (9...Kg7 10.Nc3 Nd4+-) 10.Bc4 (10.Bc4 Be6 11.Bd5 Bd5 12.Qg4+-) 1–0. GuestVSVC – GuestBFZD, freechess.org, 2018.

8.Qe4 Nd6 9.Bb5 Nb5 10.Qb4 Nd6 (better 10...Qd5!? 11.Ne2 Na6-+) 11.Nc3 Bf5 12.Qb3 0-0 13.Ba3 Nd7 14.h3 Nb6 15.Nge2 Nbc4 16.Bd6 Nd6 17.0-0 Qd7 (17...Kg7 18.Ng3=) 18.g4 (18.Rae1!?+=) 18...Bg4= 19.hg4 Qg4 20.Kh2 Qh4 21.Kg2 Qg4 22.Ng3 f5 23.f3 Qg5 24.Kh3 Qd2 25.Rae1 Rae8 26.a4 Qg5 27.Nb5? (better 27.Kh2=) 27...f4-+ 28.Ne4 Ne4 29.d6?? (better 29.fe4!? Qh6 30.Kg2 f3 31.Rf3 Qd2 32.Kf1 Rf3 33.Qf3-+) 29...Rf7 (better 29...Kg7 30.fe4 Qh6 31.Kg2 f3 32.Rf3 Qd2 33.Kf1 Rf3 34.Qf3 cd6=) 30.fe4-/+ Qh5 31.Kg2 Qg4 (31...Rd8 32.Qh3 Qg5 33.Kf3-/+) 32.Kf2 (32.Kh2 Rd8 33.Qh3 Qh3 34.Kh3 cd6 35.Na7 Rc7=) 32...c6=+ 33.Nc7 Rd8 34.Rd1 f3 35.Qc4 Qg2 36.Ke3 Qg5 37.Kf2 Qg2 (better 37...Rdd7!?-/+) 38.Ke3= Qg5 39.Kf2 ½–½. Pindear – Carry, internet, 2019.

8.Bb5 c6

9.dc6 bc6= 10.Qb4 cb5 11.Qb5 (11.Qe4 Bd7=+) 11...Bd7 12.Qe2 Qb6 13.Bc3 Bb5 14.d3 Nd4 15.Qd2 0-0 16.Ne2 Ne2 17.Qe2 e4 18.0-0 (18.Qe4?? Re8 19.Qe8 Be8-+) 18...ed3 19.cd3 Re8 20.Qc2 Nd7 21.a4 Ba6 22.Nd2 Rac8 23.Rac1 Nc5 Attacks the isolani on d3 24.Nc4 Qb3 25.Qb3 (25.Bf6? Qd3 26.Rfd1 Qc2 27.Rc2 Ne4-+) 25...Nb3 26.Rb1 Nc5? (26...Red8 27.Bf6 (worse 27.Rb3 Rd3 28.Rc1 Rc4=+) 27...Rd3 28.Ne5+=) 27.Bf6?? (27.Nd6 Na4 28.Ba1 (28.Ne8?! Nc3 29.Ra1 Bd3 30.Nf6 Kg7+/-) 28...Bd3 A) 29.Nc8?! Bb1 (29...Rc8? 30.Rbc1 Rf8 31.Rfe1+-) 30.Rb1 Rc8=; B) 29.Ne8 Re8 30.Rfe1 Re1 31.Re1+-) 27...Nd3?? (better 27...Bc4 28.dc4 Ne4=) 28.Nd6+- Re6 29.Nc8 Rf6 30.Na7 Nf4 31.Nb5 Ne2 32.Kh1 Bb7 (32...Rf4 33.Ra1 Rf5 34.Rae1+-) 33.f3 Nf4 34.Nd4 Bd5 35.a5 g5 36.Rb6 Rf7 37.h3 h5 38.a6 h4 (38...g4 39.Ra1 Ra7 40.Nb5+-) 39.Rc1 Nh5 (39...Kf8 40.Rc8 Kg7 41.Kg1+-) 40.Rc8 Kg7 (40...Kh7 41.Nb5 g4 42.hg4 Ng3 43.Kh2 Nf1 44.Kh3+-) 41.Ne6 Be6 42.Re6 Ng3 43.Kh2 Rd7 (43...g4 44.hg4 Nf1 45.Kh3+-) 44.Re1 (44.Rb6 Kf7 45.Rb7 Ke7 46.Rd7 Kd7+-) 44...Rd2 (44...Ra7 45.Rc6 Nf5+-) 45.Rc7 (better 45.Ra1 g4 46.hg4 Rd7+-) 45...Kf6 46.a7 (better 46.Ra1 Rd8+-) 46...Ne2 (46...Ra2+-) 47.Re2! (47.Re2 Re2 48.a8Q Ke5 49.Qe8 Kd4 50.Qd8 Ke3 51.Rc3 Kf2 52.Qd4 Re3 53.Qe3 Kf1 54.Rc1) 1-0. carlos78 (2335) - CarlosEstevez (2115), Rated Blitz game, lichess.org, 2015.

9.dc6 Nh4?? 10.cb7 Bd7 11.ba8Q Bb5 12.Qe4+-.

9.Qb4 cb5

10.Qb3 A) 10...b4 11.Nf3 (11.Ne2 b6 12.f4 Qd6 13.fe5 fe5 14.a3 Bb7 15.Qb4 Qd5=) 11...Na6 12.d4 e4 13.Nfd2 Nd6 14.a3 Qa5 15.ab4 Qb4+=; B) 10...a6 11.Nf3 (11.Ne2 b6 12.0-0 Bb7 13.Nbc3 Nd7 14.f4 Nc5 15.Qb4 0-0+=) 11...b6 12.d4 Bb7 13.de5 Bd5 14.Qd3 Nc6 15.0-0 Bf3=.

10.Qb5 Bd7 11.Qb7+- 0-0? (11...Qb6 12.Qb6 (worse 12.Qa8 Qb2 13.Ne2 0-0 14.Qa7 Bb5=+) 12...ab6 13.f4+-) 12.Nc3 (better 12.Qa8!? Qb6 13.Ba3 Nd4 14.Bf8 Nc2 15.Ke2 Kf8+-) 12...Nd4 13.0-0-0 (13.Qa8 Nc2 14.Kd1 Qb6 15.Kc2 Na6 16.Qf8 Kf8 17.Ba3 Ke8+-) 13...Qb6 (13...Nbc6!? 14.dc6 Bc6+-) 14.Qb6+- ab6 15.d3 Na6 16.Rd2 Rfc8 (16...Nc7 17.Nge2+-) 17.Nge2 Nb4 18.a3 Ne2 19.Re2 (19.Ne2?! Nd5 20.Ng3 Bc6+-) 19...Rc3 20.Bc3 (better 20.ab4 Rc7+-) 20...Na2? (better 20...Nd5 21.Bb2 Nf4+-) 21.Kb2 Nc3 22.Kc3 Ra3 23.Kd2 Kf8 24.Ree1 Ra5 (24...Ra4 25.c4 b5 26.Ra1 bc4 27.Ra4 c3 28.Kc3 Ba4 29.Re1+-) 25.c4 Ra2 (25...Ke7 26.Rb1 b5 27.c5+-) 26.Ke3 Bf5 (26...f5 27.Kf3 Rd2 28.Rd1+-) 27.Ra1 Rb2 (27...Rc2 28.Rhc1 Rc1 29.Rc1+-) 28.Rhb1 (28.Rhb1 Rb1 29.Rb1+-) 1–0. Pereira – Jessaos, internet, 2020.

10.Qb5 Nd7 11.Nf3 a6 12.Qb4 (12.Qe2 0-0+/-) 12...a5 (12...b5 13.a4 Rb8 14.a5+=) 13.Qb5+/- 0-0 14.0-0 b6 15.Qe2 Nc5 16.Nc3 (16.c4 e4 17.Nd4 Ba6+=) 16...Re8 (16...Bb7 17.Ba3=) 17.d3 (17.Ne4 Ne4 18.Qe4 b5=) 17...Ba6 (17...Bb7 18.Rfe1=) 18.Ne4 Ne4 19.Qe4 Nd6 20.Qh4 (20.Qa4 Nf5+=) 20...Rc8 (20...Nf5!? 21.Qg4 Qd5=) 21.Rac1 b5 22.Nd2 b4 23.Rfe1 (23.a3!?+=) 23...Nf5= 24.Qe4 Rc5 (24...Bb7 25.c4 bc3 26.Bc3 Qd5 27.Qd5 Bd5 28.Ba5 Rc1 29.Rc1=) 25.f4 Rd5 26.fe5 fe5 27.Nf3 Bb7 28.Qe2 Rc5 (28...Rd6!?=) 29.Qf2+= Nd4?? Attacking the backward pawn on c2 (better is 29...Rc7+=) 30.Nd4+- (30.Bd4?! ed4 31.Re8 Qe8+=) 30...ed4 31.Re8 (31.Bd4?! Re1 32.Re1 Rf5+=) 31...Qe8 32.Qd4 (worse is 32.Bd4 Rg5 33.Re1 Rg2 34.Qg2 Qe1 35.Qf1 Qd2-+) 32...Qe7 33.Qh8 Kf7 34.Rf1 Rf5 35.Qh7 Kf8 36.Qh8 Kf7 37.Qg7 (37.Qg7 Ke8 38.Qg6 Rf7 39.c4 Qc5 40.Kh1+-) 1–0. Enkhtuul,A (2050) – Le Kieu Thien Kim (2250), zt, 2009.

10.Qb5 Nd7 11.Ne2 Nd6 12.Qb4 Nb6 13.Nbc3 Bf5 14.d3 a5 15.Qc5 Ra6+/-.

10.Qb5 Nd7 11.Nf3 g5 12.h3 Qb6 13.Qb3 Kd8 14.Nc3 Re8 15.Ne2 Qa6+=.

10.Qb5 Kf7 11.Ne2 (11.Nf3 b6 12.Nc3 Re8 13.Qb3 Nd4 14.Nd4 ed4 15.Ne2 Bb7+=) 11...Na6+/- 12.Nbc3 Nd6 13.Qb3 Nc5 14.Qb4 b6 15.Rc1 a5+=.

10.Nc3?? Bd7 (better is 10...Nd4 11.Qd4 ed4 12.Nb5 Kf7-+) 11.Ne4+= (worse is 11.Nb5 Na6 12.Qb3 Nc5-/+) 11...Na6 12.Qb3 Rc8 13.Nf3 Nc5 14.Nc5 Rc5 15.Ba3 (15.0-0 Rc4 16.d3+=) 15...Rc4= 16.0-0 Kf7 17.d3 Rc8 18.Rfe1 Re8 19.Re4 Kg7 20.Rae1 Qc7 21.d4 ed4 22.Re8 Re8 23.Re8 Be8 24.Qb4 Qf7 25.Nd4 Nd4 26.Qd4 b6 27.Qb4 g5 28.Qd4 Qd7 29.Qe4 Bf7 30.d6 Ba2 31.Qe7 Qe7 32.de7 Kf7 33.f3 a5 34.Bd6 (better is 34.c3!?+=) 34...b4-/+ 35.Kf2 Bb1 36.Ke2 Bc2 37.Kd2 Bg6 38.Bc7 Ke7 39.Bb6 a4 (better is 39...b3!? 40.Kc3 a4-+) 40.Bc5= Ke6 41.Bb4 f5 42.Ke3 Kd5 43.Kd3 Ke5 44.Bc5 Be8 45.Kc4 Bc6 46.Be3 g4 47.fg4 fg4 48.h3 g3 49.Ba7 Bg2 50.Bb8 Ke4 51.Bg3 Bh3 52.Kb4 Bd7 ½–½. Tolmacheva,Eva (1930) – Tunik,Sergey (1895), Dimitrovgrad–ch, 2009.

10.Qb5 Qd7

11.a4 Nh4 12.g3 Nf5 13.f4 ef4 14.gf4 Kf7 15.Ne2 Qd6+=.

11.Qd7 Nd7 12.Na3!?+=.

11.Qd7 Nd7 12.c4 Nc5= 13.Ba3?? (better 13.Ke2=) 13...Nd3-+ 14.Ke2 Nf4?? (better 14...e4!? 15.Nc3 Nd4 16.Kf1 Nc2 17.Ne4 Na1-+) 15.Kf1? (better 15.Kd1=+) 15...Nd4-+ 16.Nc3? (16.g3 Nd3 17.Nc3 Nc2-+) 16...Nc2 (16...Bf5 17.Rc1 Bd3 18.Ke1 Bc4 19.Kd1-+) 17.Bb2 (17.g3!? Nd3 (17...Na3?! 18.gf4 Nc4 19.Re1=+) 18.Ke2 Bf5-+) 17...Na1 18.Ba1 Bd7 (better 18...Bf5 19.g3 Nd3-+) 19.g3-/+ Nd3 20.Ke2 Nc5 21.f4 (21.Bb2 Kf7-/+) 21...0-0 22.fe5 fe5 23.Nf3?? (better 23.h3-/+) 23...e4 (better 23...Bg4 24.Rf1 e4-+) 24.Nd4? (better 24.Ne5!? Bh3 25.Nb5=) 24...Rae8-/+ 25.Ke3 Rf7 (25...Nd3 26.Rb1 (26.Ne4?? Nf2 27.d3 Nh1-+) 26...Ne5 27.Ne4 Nc4 28.Kd3 Re4 29.Rb7-+) 26.Nce2 (26.Ncb5 Ref8 27.Na7 Nd3=+) 26...Ref8 (26...Nd3 27.Nf4 Ne5 28.Ke4 Nc4 29.Kd3 Ne5 30.Kc2-/+) 27.Nf4 g5 28.Nfe6 Be6 29.Ne6 Rf3 30.Kd4 Ne6 31.de6 Re8 (31...Rd3 32.Ke4 Rd2 33.Rb1-+) 32.Ke5 (32.Ke4!? Rf2 33.Kd3 Re6 34.Bd4 Rf3 35.Be3-/+) 32...e3 33.de3 (33.Bc3!? ed2 34.Bd2-+) 33...Re3-+ 34.Kf5 R8e6 35.Kg5 Ra3 36.Bd4 Ra2 37.Rf1 a5 38.Bc5 (38.h4 Rc6 39.Rc1 Ra4-+) 38...b6 (better 38...Re5 39.Rf5 Rf5 40.Kf5 Rh2 41.Ke4-+) 39.Kf5 (39.Bg1 a4 40.Rd1 Rg2-+) 39...Rc6 (39...bc5?! 40.Ke6 Rh2 41.Kd6=) 40.Be7 (40.Bg1 a4 41.Ke5 Rc4-+) 40...Rc4 41.Ke6 (41.h4 a4 42.Bd6 Rd2-+) 41...Re2 42.Kd7 (42.Kd5 b5 43.Bf6-+) 42...Rd4 43.Ke8 (43.Kc7 Re7 44.Kb6 a4-+) 43...Rde4 44.Rf8 Kg7 45.Rf7 Kg6 46.h4 (46.Rf6 Kg5 47.Re6 Kg4 48.Rb6 Re7 49.Kf8-+) 46...Re7! 47.Re7 Re7 48.Ke7 a4 49.Kd6 a3 50.g4 a2 51.h5 Kg5 52.Ke5 a1Q 53.Ke6 Kg4 (53...Qd4 54.h6 Qg4 55.Kd6 Qc4 56.Kd7 Qc5 57.Kd8 Kh6 58.Kd7 Kg5 59.Ke6 Kg6 60.Kd7 Kf6 61.Kd8 Ke6 62.Ke8 Qe7) 54.Kf7 Kh5 55.Kg8 (55.Ke7 Qd1 56.Kf7 Qd6 57.Ke8 Qc7 58.Kf8 Kh6 59.Ke8 Kg6 60.Kf8 Qf7) 55...Qa7 (55...Kg6 56.Kf8 Qe1 57.Kg8 Qe8) 56.Kf8 Kg6 57.Ke8 Kf6 (57...Qc7 58.Kf8 Qf7) 58.Kd8 Ke6 (58...Qb7 59.Ke8 Qe7) 59.Ke8 (59.Kc8 b5 60.Kd8 Qd7) 59…Qb8 (59...Qe7) 0-1. carlos78 (2215) - alejandro2011 (2060), Rated Blitz game, lichess.org, 2015.

11.Qd7 Nd7 12.Ne2 b5 13.d4 Ne7 14.de5 Ne5 15.Nbc3 b4 +-.

11.Qd7 Nd7 12.Ne2 Nb6 13.Nbc3 Bd7 14.d3 0-0-0 15.0-0 Be8 16.Ne4 (better 16.g4 Nh4 17.f4 Nd5 18.fe5+/-) 16...Rf8?? (better 16...Nd5 17.N2c3 Rf8+=) 17.c4+- Na4 18.Ba3 Rf7 19.Rab1 b6 20.Rfc1 Kb8 21.N2c3 Nc3 22.Rc3 Nd4 23.Kf1 Ba4 24.Bc5 f5? (better 24...Bc2 25.Rb4 Bd1+-) 25.Nd6 (better 25.Bd6 Rc7 26.Bc7 Kc7 27.Ng5+-) 25...Rfd7 26.Bd4 ed4 27.Ra3 Bc2 28.Rb2 Bd3 29.Rd3 Rd6 30.Rd4 Rc8 31.a4 Rc5 32.Rb5 Rc7 33.a5 Re7?? (33...Rc5 34.Rc5 bc5 35.Rd3+-) 34.ab6 (better 34.c5 Rd8 35.ab6 ab6 36.Rb6 Kc8+-) 34...a6?? (better 34...Rb6 35.d6 Rd7+/-) 35.Rb1+- Re5 (35...Red7+-) 36.f4 Re4 37.Re4 fe4 38.Ke2 Kb7 (38...Rd8+-) 39.Ke3 Rb6 40.Rb6 Kb6 41.Ke4 Kc5 (41...a5+-) 42.Ke5 a5 43.d6 Kc6 44.Ke6 a4 45.d7 a3 46.d8Q (46.d8Q Kc5 47.Qd5 Kb4 48.c5 a2 49.Qd4 Ka3 50.c6 Kb3 51.Qa1 g5 52.c7 gf4 53.c8Q Kb4 54.Qc6 f3 55.Qac3) 1-0. carlos78 (2305) - jesinor (2280), Rated Blitz game, lichess.org, 2015.

7.Qf6? Rf8

8.Qe5 dc4 9.Qb5 Nbc6 10.Qc4 Qd6-+.

8.Qe5 dc4 9.Qb5 Nec6 10.Qc4 Qg5-+.

8.Qg7 dc4 9.Qe5 (9.Be5 A) 9...Nd7 10.Nf3 Rg8 11.Qh7 Ne5 12.Ne5 Qd4 13.Qf7 Kd8 14.Qf6 Qe4 15.Kf1; B) 9...Nec6 10.Nf3 (10.Nc3 Nd7 11.Bg3 Qf6 12.Qf6 Nf6 13.Nge2 Rf7 14.0-0-0 Nh5 15.Nd5) 10...Nd7 11.Bb2 Nf6 12.0-0 Qe7 13.Bf6 Qf6 14.Qf6 Rf6 15.Nc3; C) 9...Nbc6 10.Nf3 (10.Nc3 Bg4 11.h3 Bh5 12.Nge2 Be2 13.Ke2 Qd7 14.Rab1 0-0-0 15.Rhd1; 10.Ne2 Ne5 11.Qe5 Kf7 12.Qb5 Nc6 13.a3 Ba5 14.Nbc3 Be6 15.Nd5) 10...Bg4 11.0-0 Bf3 12.gf3 Rf3 13.Bf6 Qc8 14.Qh8 Kd7 15.Qc8) 9...Nbc6 10.Qb5 Qd6 11.Qc4 (11.Nf3 Qe6 12.0-0 a6 13.Qg5 Qe4 14.Ba3 Rf5 15.Qg3) 11...Bg4 12.f3 (12.Nf3 Bf3 13.gf3 0-0-0 14.0-0 Bc5 15.Qe2) 12...Be6 (12...0-0-0 13.Qe2 Be6 14.Nh3 Bh3 15.gh3) 13.Qe2 (13.Qd3 Qc5 14.a3 Ba5 15.Bc3) 13...0-0-0 14.c3 (14.Nh3 Bh3 15.gh3) 14...Ne5 15.cb4 Nd3 16.Kd1 (16.Kf1 Nb2 17.Qe3-+) 16...Qb4 17.Bc3 (17.Qd3 Rd3 18.Bc3 Qa4 19.Ke2-+) 17...Qa4 0–1. Anonymous – Anonymous, sv.lichess.org, 2011.

6.Qh4 d6

7.a3 Ba5 8.Nf3 (8.Qf6 Rf8 9.Qg7 Qd7 10.f3 Nec6 11.Qh6 Bb6 12.Ne2 Bc5=) 8...Bd7? (8...b5 9.Bb5 (9.Bb3 Nd7+= 10.0-0 c5 11.Be6 Nb6 12.Bc8 Nec8+=) 9...c6 10.Ba4 Nd7 11.Bb3 Rb8 12.Bc3 h5=; 8...Nd7 9.0-0 Nb6 10.Bb3 Nc6 11.d4 ed4 12.Nd4 Nd4=) 9.Nc3 c6? (better is 9...Bc3!? 10.Bc3 Nc8+=) 10.Qf6+- Rf8 11.Qd6 b5 12.Bb3 (12.Be2 Bc7 13.Qc5 Bg4+-) 12...Na6? (better is 12...Bc7 13.Qd3 Na6+-) 13.Ne5 Be6 (13...Bb6 14.d4 Qc7 15.Qc7 Nc7+-) 14.Qe6 (14.Qe6 Nc5 15.Qh3+-). pierre – gorejni, internet, 2010.

7.a3 Bc5 8.Nf3 (8.Nc3 Nec6 9.Na4 Nd7 10.Nc5 Nc5 11.Nf3 h5 12.Qg3 g5-+) 8...Nec6 9.0-0 Nd7 10.Bd5 Rb8 11.Qh6 Qe7 12.c3 Nb6+=.

7.c3 Ba5 8.Nf3 (8.Qf6 Rf8 9.Qg5 Nd7 10.Nf3 c6 11.0-0 b5 12.Be6 Nc5=) 8...f5 9.0-0 fe4 10.Qe4 Nbc6 11.Qe2 e4 12.Qe4 d5=.

7.c3 Bc5 8.Nf3 (8.d4 ed4 9.cd4 Bb4 10.Bc3 Nec6 11.Nf3 f5 12.Qd8 Kd8+=) 8...f5 9.d4 ed4 10.cd4 Bb4 11.Bc3 fe4 12.Qe4 Nbc6+=.

7.c3 g5?? 8.Qh5+- Ng6 9.cb4 Qe7 10.Nc3 c6 11.b5 Be6 12.Be6 Qe6 13.Nge2 Nd7 14.d4 ed4 (14...Qc4 15.de5 de5 16.bc6 bc6 17.0-0+-) 15.Nd4 Qc4 16.Nf5 0-0 (16...Qb4 17.Rb1+-) 17.Qh6 (17.Qh6 Qf7 18.Nd6+-; worse is 17.Nd6 Qb4 18.0-0-0 Nf4+-) 1–0. mrkt (1810) – mike62, internet, 2005.

7.Ne2 Nec6 8.c3 (8.Nf4 f5 9.Ng6 Qh4 10.Nh4 fe4 11.a3 Bc5 12.Nc3 Rf8-/+) 8...Ba5 9.0-0 f5 10.Qd8 Kd8 11.d3 fe4 12.de4 Bg4-/+.

7.Nf3 Nd7 8.0-0 (8.c3 d5 9.ed5 Nf5 10.Qg4 Bc5 11.d4 ed4 12.Nd4 Qe7+=) 8...Nc6 9.c3 Bc5 10.d4 Bb6 11.Nbd2 f5 12.Qd8 Kd8=.

7.Nf3 h6 8.Qf6 Rf8 (8...Rh7 9.Qh4 Nd7 10.0-0+/-) 9.Qg7 h5?? (better is 9...Nbc6+/-) 10.Ng5+- Rf7 (10...c6 11.0-0 d5+-) 11.Bf7 Kd7 12.Ne6 Nbc6 13.a3 (13.a3 b6 14.ab4+-) 1–0. marree – qvivic, internet, 2010.

7.Qf6 Rf8 8.Qg7 (8.Qg5 Bc5 9.f3 Nbc6 10.Qh4 h5 11.Nc3 Na5 12.Bb3 Nb3+=) 8...Qd7 9.f3 Nec6 10.Qd7 Nd7 11.Ne2 Bc5 12.Nbc3 Nb6=.

7.Ne2 Nd7

8.c3 Ba5 9.0-0 f5 10.d3 fe4 11.de4 Bb6 12.Bc1 h5+=.

8.0-0 Nc6

9.a3 Ba5 10.f4 Nc5 11.fe5 Ne5 12.Ba2 Bb6+=.

9.a3 Ba5 10.Kh1 Bb6 11.f4 Na5 12.Ba2 c6+=.

9.a3 Ba5 10.Kh1 Bb6 11.f4 ef4 12.Nf4 Nde5= (12...g5 13.Qh5 Ke7 1–0 ukres05–avizaera123/kurnik 2014).

9.a3 Bc5 10.c3 Bb6 11.d4 f5 12.Qd8 Kd8-/+.

9.a3 f5 11.Qd8 Kd8 12.ef5 Nb6+=.

9.d4 Ba5 10.Qg3 Bb6 11.Rd1 Qe7 12.Na3 ed4+=.

7.Nf3 Nec6

8.0-0 f5 9.Qd8 Kd8 10.Ng5 Ke8 11.a3 Ba5 12.ef5 Bf5+=.

8.a3 Bc5+=.

8.c3 Ba5 9.0-0 Nd7 10.d4 Nb6 11.Bb3 f5 12.Qd8 Kd8+=.

6.Qh4 Nf5

7.ef5 a6 A) 8.Bb3 Nc6 9.fg6 d5 10.g7 Rg8 11.Qh5 Ke7 12.Qh7+-; B) 8.Bd3 Qe7 9.fg6 d5 10.gh7 Kd8 11.a3 Bc5 12.Nc3+-; C) 8.a3 Ba5 9.fg6 d5 10.g7 Rg8 11.Qh7 Be6 12.Bb3+-; D) 8.fg6 d5 9.Bb3 Qd6 10.a3 Bc5 11.Nc3 Be6 12.g7+-.

7.ef5 Bc5 A) 8.Nc3 b5 9.Nb5 d5 10.Bd5 c6 11.Qc4 Qb6 12.Nc7+-; B) 8.fg6 d5 9.Qh6 Be6 10.Bb5 c6 11.Qg7 Rg8 12.Qb7+-.

7.ef5 c6 8.a3 Bc5 9.fg6 d5 10.Bd3 Qe7 11.gh7 Be6 12.Bg6+-.

7.ef5 d5 8.Bb3 Qd6 9.fg6 Bf5 10.a3 Bc5 11.g7 Rg8 12.d4+-.

7.ef5 h5 8.fg6 (8.Be2 Qe7 (8...Nc6 9.fg6 Bf8 10.g4 d5 11.gh5 Bf5 12.Qa4+-; 8...Bf8 9.fg6 Bg7 10.f4 d6 11.Bh5 Nc6 12.Ne2+-; 8...a5 9.fg6 Bf8 10.g4 d5 11.d4 ed4 12.Bd4+-; 8...Bc5 9.fg6 Bf8 10.g4 d5 11.d4 e4 12.Nh3+-; 8...Bd6 9.fg6 Bf8 10.g4 d5 11.d4 e4 12.Nh3+-) 9.fg6 d5 10.Bh5 Qg7 11.Nc3 Bc3 12.Bc3+-) 8...Rh6 (8...d5 9.Bb5 c6 10.Qb4 cb5 11.Qb5 Nc6+- 12.f4+-; 8...Qe7 9.Bf7 Kf8 10.Ne2 Nc6 11.Ng3 d6 12.Nh5+-) 9.g7 Rg6 (9...Bf8 10.g8Q Qe7 11.d3 Nc6 12.Bc1+-) 10.Qh5 Ke7 11.Qg6 Nc6 (11...d5 12.g8Q+-) 12.Qf7 Kd6 13.Qf8 Qf8 14.gf8Q Ne7 15.Qf6 Kc5 16.Qe7 Kc4 17.Qe5 (17.Qe5 d5 18.a4 Bd2 19.Nd2 Kc5 20.Qc7 Kb4 21.Bc3) 1–0. marekt – eagledrver, chessworld.net, 2008.

6.Qh4 Rf8

7.c3 Ba5 8.Nf3 c5 (8...h5 9.0-0+=) 9.Na3 (9.Qh7 Qb6 10.Bc1 Qc6+=) 9...a6 (9...h5!?+=) 10.Qh7+= b5 11.Bd5 Nbc6 (11...Nd5 12.Qg6 Ke7 13.ed5+=) 12.0-0 (12.Nh4!? Qc7 13.Ng6 Ng6 14.Qg6 Kd8+/-) 12...Ra7 (12...Qc7 13.Nh4 g5 14.Ng6 Ng6 15.Qg6 Kd8 16.Qh6+=) 13.Nh4 d6 14.Nc2 (14.Bc6!? Nc6 15.Qg6 Raf7 16.d3+=) 14...Nd5= 15.Qg6 Raf7 16.ed5 Ne7 17.Qd3? (17.Qh5 Nd5 18.Ng6 Rg8=) 17...c4 (17...Rh8 18.Ng6 Bf5 19.Qf5 Nf5 20.Nh8-+) 18.Qe2 (18.Qf3 Rh7 19.g3 f5-/+) 18...Nd5 19.f4 (19.Rae1 Rh8 20.Qf3 Ne7-+) 19...f5 20.fe5? (better is 20.g3!? Bb6 21.Kh1-/+) 20...Qh4 21.ed6 Kd8 0–1. Kandelin,Jarl – Borrmann,Fritz, corr, 1977.

7.Ne2 Nbc6 8.Nbc3 f5 9.ef5=.

7.Nf3 Nbc6 8.Qh7 Bc5 9.Nc3=.

7.Nf3 h5 8.0-0 (8.a3 Ba5+=) 8...d6 (8...d5 9.a3 Bc5 10.ed5-/+) 9.c3 (9.d4 Bg4=) 9...Ba5+= 10.d4 ed4 (10...Bg4 11.Nbd2+=) 11.Nd4= Nbc6 12.Ne6 Be6 13.Be6 Ne5 14.Nd2 N7c6 15.Qh3 Qe7 16.Nb3 f5 (16...Bb6!? 17.Nd4 Nd8+=) 17.ef5+= (worse is 17.Na5 Qe6 (worse is 17...Na5 18.ef5 Qf6 19.fg6+/-) 18.Nc6 Nc6 19.ef5 Qf5-/+ (19...Rf5? 20.Rae1 Ne5 21.f4+-)) 17...gf5 (17...Bb6 18.Nd4+=) 18.Qh5+/- Kd8 19.Bd5 (19.Bf5 Qf6 20.Be4 Bb6+/-) 19...Kd7 (19...Qf6 20.Bc1 (20.Na5?! Na5 21.c4 c6=) 20...Qh8 21.Qh8 Rh8 22.Na5 Na5 23.Bg5 Kd7 24.f4+=) 20.c4 Rh8?? (20...Nd3 21.Bc6 bc6 22.Na5 Nb2+-) 21.Qf5 Kd8 22.Bc6 bc6 (22...Rf8 23.Qf8! Qf8 24.Bb7 Rb8 25.Na5 Nc4 26.Nc6 Kd7+-) 23.Na5 Rf8 (23...Qh7 24.Qh7 Rh7 25.Be5 de5 26.Nc6 Ke8 27.Ne5+-) 24.Qe4 Kd7 (24...Kc8 25.f4 Ng6 26.Qg6+-) 25.Be5 de5 (25...Qf7+-) 26.Qc6 Kc8 (26...Kd8 27.Rad1 Qd6 28.Rd6 cd6 29.Qd6 Kc8 30.Qc6 Kd8 31.Rd1 Ke7 32.Rd7 Ke8 33.Qe6) 27.Rfd1 Rb8 (27...Qd6 28.Rd6 Rf2 29.Qa8) 28.Qa6 (28.Qa6 Rb7 29.Qb7) 1–0. Janek – Tundja, internet, 2017.

7.Qh7 b6 8.Nf3 Bb7 9.Bd3 d6 10.h4 Nd7 11.h5 f5 12.Ng5+=.

7.Qh7 Bc5 8.Ne2 Nbc6 9.Nbc3 Na5 10.Bd3 c6 11.f4 Qc7 12.Rf1=.

7.Qh7 c6 8.Ne2 Qb6 9.Bb3 d5 10.Nbc3 Be6 11.a3 Bd6 12.h4=+.

7.Qh7 d6 8.Nf3 A) 8...Bd7 9.Nh4 Bc6 10.f3 d5 11.ed5 Ba4 12.c3+/-; B) 8...Nd7 9.Nh4 Nb6 10.Bb5 c6 11.Ng6 cb5 12.Nf8+=; C) 8...Qd7 9.0-0 Qc6 10.d3 b5 11.Bb3 Nd7 12.Nh4+/-; D) 8...Nbc6 9.Nh4 g5 10.Ng6 Ng6 11.Qg6 Kd7 12.h4+=.

7.Qh7 Nbc6

8.Nf3 Na5 9.Bd3 d6 10.Bc3 Bc3 11.Nc3 c6 12.Rb1=.

8.Nf3 a6 9.Nc3 b5+/- 10.Bb3 Na5 11.Nd5 (11.0-0 Bb7 12.Rfe1 c5+/-) 11...Nb3 12.ab3 a5?? (better is 12...Nd5 13.Qg6 Rf7 14.ed5 Bb7+/-) 13.Nb4+- Bb7 14.Nd5! Nd5 (14...Bd5 15.ed5 Combination; 14...Nd5 15.c4 Double attack (15.Qg6 Deflection; 15.c4 Decoy)) 15.Qg6 Rf7 (15...Ke7 16.ed5 Bd5 17.Qh7 Ke8 18.Qd3+-) 16.ed5 Bd5 17.Nh4 Qe7 (17...d6 18.Nf5 a4 19.ba4 ba4 20.0-0+-) 18.Nf5 Qc5 (18...Qf8 19.0-0+-) 19.0-0 Be4 (19...Qf8+-) 20.Ng7 Ke7 (20...Kf8 21.Qe4 Qc6 22.Ne6 Ke7 23.Qc6 dc6 24.Nc5+-) 21.Qe4 Rg8 (21...Rg7 22.Qa8 Qc2+-) 22.Nf5 Ke6 23.Nd4 Ke7 24.Ra5 Rfg7 25.Ba3 Rg2 26.Kh1 (26.Kh1 Qa3 27.Ra3+-) 1–0. marree – zerabun, internet, 2010.

8.Nf3 a6 9.Nh4 d6? (better is 9...d5 10.ed5 b5+=) 10.Ng6+- Ng6 11.Qg6 Ke7 12.Nc3 b5? (better is 12...Qe8 13.Nd5 Kd8+-) 13.Nd5 Kd7 14.Qg7 Ne7 15.Nf6 (better is 15.Be2!? Ba5 16.Bg4 Ke8 17.Nf6 Rf6 18.Bh5 Kd7 19.Qf6 Qg8+-) 15...Kc6? (better is 15...Rf6 16.Qf6 bc4+=) 16.Bd5 (16.Bf7!? Kb7+-) 16...Nd5 17.Nd5 (17.ed5?! Kb6 18.c3 Ba5+=) 17...Bc5 18.d4 ed4 19.Bd4 Bd4 20.Qd4 Rf7 (20...Be6 21.a4 Kb7 22.h4+-) 21.c4 (21.Nb6 Rb8 22.Nc8 Qg5+-) 21...Qf8 (21...Be6+-) 22.cb5 ab5 (22...Kd7 23.Rc1 Kd8 24.b6+-) 23.Nb4 (better is 23.Rc1 Kd7 24.Rc7 Ke6 25.Qc3+-) 23...Kd7 24.Rc1 (24.Qd5 Qg7 25.Rc1 Ra3+-) 24...c5? (better is 24...Bb7 25.f3 Qh6+-) 25.Rc5 Bb7 (25...Rf2 26.Rh5 (26.Qf2?! Qf2 27.Kf2 dc5+=) 26...Rf7 27.Nd5+- (27.Rb5?! Qh6 28.Qc4 Qf4+-)) 26.Rb5 (better is 26.f3+-) 26...Ra4 (26...Be4 27.0-0 Rf4+-) 27.Rb7 Ke6 (27...Kc8 28.Rb6 Rc7 29.0-0+-) 28.Rf7 (28.Qc4 Kf6 29.Rf7 Qf7 30.Nd5 Kg6 31.Qa4 Qb7+-) 28...Qf7 (28...Kf7 29.Qd5 Kg7 30.Qb5+-) 29.0-0 (better is 29.Qc4 d5 30.Qc6 Ke5 31.f4 Kd4 32.Qa4 Qg7+-) 29...Qd7 30.Qd5 Ke7 (30...Kf6 31.Rb1 Qe6 32.Qd1+-) 31.Nc6 Ke8 32.Qg8 1–0. Raimondi – aliwood, internet, 2005.

7.Qh7 d5

8.ed5 a6 9.a3 (9.Bd3 Rg8 10.Bc3 Bc5 11.Bc4 Qd6 12.d3=; 9.Bc3 Bc5 10.Nf3 Qd6 11.d3 b5 12.Bb3=; 9.Qh4 Bf5 10.Bb3 Nd5 11.Be5 Qe7 12.Nf3-+; 9.Bb3 Bf5 10.Qh4 Nd5 11.Be5 Qe7 12.Nf3-+) 9...Bc5 10.Bd3 Qd5 11.Bg6 Kd8 12.Be4+=.

8.ed5 c6 9.Bd3 (9.dc6 Nbc6 10.Bd3 f5 11.Nc3 Bc5 12.Nh3+=; 9.Qh4 Nd5 10.Qh7 g5 11.Qg6 Kd7 12.h4=; 9.c3 Bc5 10.d4 ed4 11.cd4 Bb4 12.Bc3=; 9.a3 Bc5 10.d4 ed4 11.Nf3 cd5 12.Bd3+=) 9...Qd5 10.Bg6 Ng6 11.Qg6 Qf7 12.Qe4+=.

8.ed5 Qd6 9.Ne2 (9.Nf3 Bf5 10.c3 Bc5 11.0-0 Qb6 12.Ba3+=; 9.a3 Bc5 10.Nc3 Bf2 11.Kf2 Qc5 12.Ke1+=; 9.Bc3 Bc5 10.Bd3 f5 11.Qg7 Qd5 12.f3+=; 9.Bd3 Rg8 10.Nf3 Qd5 11.a3 e4 12.ab4=) 9...Bf5 10.c3 Bc5 11.d4 ed4 12.cd4=.

8.ed5 Bd6 9.Nf3 (9.Bd3 f5 10.Nc3 c6 11.dc6 Nbc6 12.Bb5+=; 9.Nc3 Bf5 10.Rc1 a6 11.Qh4 Nd7 12.g4+=; 9.Bb5 c6 10.dc6 Nbc6 11.Nc3 Qb6 12.Nge2+=; 9.Ne2 Bf5 10.d3 Bb4 11.Bc3 Bd6 12.Ng3+/-) 9...c5 (9...Bf5 10.d3+= Nd7 11.Nh4 Bg4 12.h3+=; 9...Bg4 10.Bd3 Bh5 11.Nc3 Bb4 12.Nh4+=) 10.dc6 (10.Bb5 Bd7 11.Bd3 Qb6 12.Bg6+=) 10...Nbc6 (10...bc6 11.Nc3 Nd7 12.Nh4+/-; 10...Nbc6 11.Bd3 (11.Nh4 Qb6 12.Bc3+=) 11...f5 12.Bb5+=; 10...Nec6 11.Qg6 Kd7 12.Nc3+-) 11.0-0 (11.Nc3 Bg4+= 12.Bd3+=; 11.Bd3 f5 12.Bb5+=) 11...Bf5 (11...e4 12.Ne1=) 12.Nh4 (12.d3 Qb6 13.Bc3 Nb4+=) 12...Qb6 (12...Bc2 13.Rc1 Bf5 14.Nf5 gf5 15.Nc3+=) 13.Nf5+/- gf5 14.Ba3 (14.Bb3 Nd4 15.Na3 0-0-0+/-) 14...Nd4+= 15.Qh5 Kd7 16.Bd6 Qd6 17.Nc3 (17.Qd1 Rh8 18.h3 Qc6=) 17...e4 (better is 17...Rh8 18.Qd1 e4+=) 18.Qd1?? (18.Qh3 Rh8 19.Qg3 Qg3 A) worse is 20.hg3 Rac8 (worse is 20...Nc2 21.Rab1=) 21.Bb5 Ke6-/+; B) 20.fg3 Nc2 21.Rab1=) 18...Rh8 (better is 18...Nf3! 19.Qf3 ef3-+) 19.g3? (19.h3 Nf3 20.Qf3 ef3 21.Rfe1 fg2 22.Re3-+) 19...Nf3 (19...Nf3 20.Qf3 ef3-+) 0–1. Suutarla,Ari – Nielsen,Joergen, IBCA–ol blind 4th fin–C, 1972.

8.ed5 Nd7 9.a3 (9.Bd3 Rg8 10.a3 Bd6 11.Nc3 Nc5 12.Bb5+=; 9.Nf3 Nb6 10.Bb5 Bd7 11.Bd3 Bf5 12.Bf5+=; 9.Ne2 Nb6 10.Bb5 Bd7 11.Bd3 Bf5 12.Bf5+=; 9.Nc3 Nb6 10.Bb5 Bd7 11.Bd3 Bf5 12.Bf5=) 9...Bd6 10.Nc3 Nb6 11.Bd3 f5 12.h4+=.

8.ed5 Bf5 9.c3 (9.Qh4 Qd6 10.Bb3 Nd5 11.Bd5 Qd5 12.Nf3-/+; 9.Bb5 Nd7 10.a3 Bc5 11.Ba4 Be4 12.Qh3+=; 9.a3 Ba5 10.Bb3+= Be4 11.Nf3 Nd5 12.Nh4=; 9.Bb3 Be4 10.f3 Bd5 11.h4 Rf7 12.Qh6=) 9...Bc5 10.d4 ed4 11.cd4 Bd6 12.Nf3=.

8.Bd5 A) 8...c6 9.Bc4 Bc5 10.Qh4 a5 11.a4 Na6 12.Nf3+/-; B) 8...Bc5 9.Ne2 Qd6 10.Bb3 Bg4 11.Nbc3 Nbc6 12.f3+/-; C) 8...Nd7 9.Ne2 f5 10.Qg7 Nf6 11.Be5 Ne4 12.Be4+=; D) 8...a6 9.Nc3 c6 10.Bb3 Bc5 11.Nge2 b5 12.f4+/-; E) 8...Qd7 9.Ne2 Qg4 10.Ng3 Nd5 11.ed5 c6 12.Nc3+=.

6.Qh4 g5

7.Qh6 Rf8 8.Qh5+= Ng6 9.Qh7 Qe7?? (better is 9...Nf4 10.g3 Ne6+=) 10.Qg6+- Rf7 (10...Kd8+-) 11.h4 d6 12.h5 Bg4 (12...d5 13.Bd5 Nd7 14.h6+-) 13.h6 Kd7 (13...b5 14.h7 bc4 15.h8Q Kd7 16.Qf7 Qf7 17.Rh7+-) 14.Bf7 Nc6 15.h7 Qf8 16.h8R Nd4 17.Bd5 Nc2 18.Kf1 Bd2 19.Qh7 Qe7 20.Qe7 Ke7 21.R1h7 1–0. michaelbuss – fright knight, ChessWorld.net, 2006.

7.Qh5 Ng6

8.a3 Ba5 A) 9.Nc3 A1) 9...a6 10.Nf3 (10.Nge2 d6 11.0-0 Nc6 12.Rab1 f5 13.Ng3= ; 10.a4 c6 11.Nge2 b5 12.ab5 ab5 13.Bb3+= ; 10.h4 g4 11.Nd5 c6 12.Ne3 b5 13.Bb3+=; 10.Bb3 d6 11.Rb1 c6 12.Nf3 Nd7 13.Be6+=) 10...b5 11.Bb3 Bc3 12.Bc3 Bb7 13.h4+=; A2) 9...c6 10.Nge2 (10.Rd1 Bc3 11.Bc3 d5 12.ed5 cd5 13.Bd3+= ; 10.Rb1 b5 11.Ba2 Qe7 12.Nge2 d6 13.0-0+= ) 10...d6 11.0-0 b5 12.Bb3 Qd7 13.Ng3+=; A3) 9...Bc3 10.Bc3 c6 11.Rb1 b5 12.Ba2 Qe7 13.a4=; A4) 9...d6 10.Nge2 (10.Nf3 c6 11.0-0 Qd7 12.Qh6 b5 13.Bb3+= ) 10...Nd7 11.h4 c6 12.hg5 fg5 13.Be6+=; B) 9.Nf3 B1) 9...c6 10.0-0 (10.h4 g4 11.Nh2 d5 12.ed5 cd5 13.Bd3+= ; 10.Nc3 b5 11.Bb3 Bc3 12.Bc3 d5 13.ed5+= ) 10...b5 11.Bb3 Na6 12.d4 d5 13.de5+/-; B2) 9...d6 10.Nc3 (10.0-0 Qd7 11.Bc3 Bb6 12.d3 Qg4 13.Qh6+= ; 10.h4 g4 11.Nh2 Qd7 12.Bc3 Bb6 13.Be2-/+ ) 10...c6 11.0-0 Qd7 12.Qh6 b5 13.Bb3+=; C) 9.Ne2 C1) 9...d6 10.0-0 (10.Ng3 Nd7 11.0-0 Nc5 12.Rd1 c6 13.d4+= ; 10.h4 g4 11.Ng3 Qd7 12.Nf5 Qc6 13.Bd3+= ; 10.Nbc3 Nd7 11.h4 c6 12.hg5 fg5 13.Be6+=; 10.Qf3 c6 11.0-0 b5 12.Bb3 g4 13.Qe3+=) 10...c6 11.d4 d5 12.Bb3 ed4 13.ed5=; C2) 9...Nc6 10.h4 (10.Nbc3 Rb8 11.h4 Bc3 12.Nc3 g4 13.Nd5= ; 10.Ng3 Qe7 11.Bb3 Qc5 12.Nc3 Nd4 13.0-0+= ; 10.0-0 d6 11.d4 Qd7 12.Nbc3 Bc3 13.Bc3=; 10.Qf3 d6 11.0-0 h5 12.Nbc3 Nh4 13.Qd3+=) 10...gh4 11.f4 ef4 12.Rh4 Ke7 13.Nf4+=; C3) 9...c6 10.Nbc3 (10.0-0 d5 11.ed5 cd5 12.Bd3 e4 13.Bb5+= ; 10.Qf3 d6 11.0-0 b5 12.Bb3 g4 13.Qe3+=) 10...d6 11.0-0 b5 12.Bb3 Qd7 13.Ng3+=.

8.a3 Bc5 9.Nc3 c6 10.Na4 Be7 11.Nc3 b5 12.Ba2 a5 13.Nf3+=.

8.a3 Bc5 9.Nc3 c6 10.Bb3 b5 11.Nge2 Na6+=.

8.a3 Bc5 9.Nc3 c6 10.Bb3 b5 11.Nf3 d6 12.Nb5 Qb6 13.d4=.

8.a3 Bc5 9.Nc3 c6 10.Bb3 d6 11.Rb1 b5 12.Nb5+=.

8.a3 Bc5 9.Ne2 A) 9...Qe7 10.0-0 (10.Bb3 d6 11.Nbc3 c6 12.0-0 b5 13.Rfd1+=) 10...d6 11.d4 ed4 12.Nd4 Bd4 13.Bd4+=; B) 9...c6 10.f4 (10.0-0 d5 11.ed5 cd5 12.Bd3 Kf7 13.Nbc3+=; 10.Qf3 b5 11.Ba2 d6 12.d4 ed4 13.Nd4+=; 10.Bb3 d5 11.ed5 cd5 12.d4 ed4 13.Bd4+=) 10...d5 11.ed5 cd5 12.Bd3 Kd7 13.Nbc3+=.

8.a3 Bc5 9.Nf3 c6 10.0-0 d5 11.ed5 cd5 12.Bd3+=.

8.a3 Bc5 9.Nf3 c6 10.Bb3 d5 11.ed5 cd5 12.d4 ed4 13.Bd4+=.

8.a3 Bc5 9.Nf3 Nc6 10.Nc3 (10.0-0 d6 11.Rd1 Qd7 12.Nc3+=) 10...a6 (10...Nd4 11.Nd4 Bd4 12.h4+=) 11.0-0 d6 12.Rfb1 (12.Rab1=) 12...Na5 13.Ba2 Nc6 14.Nd5 Ba7 (14...Bd7!?=) 15.Qh6+= Nd4?? (better is 15...Bd7+=) 16.Qg7+- Ne2 (16...Ne6 17.Nf6 Qf6 18.Qf6 Rf8+-) 17.Kf1 g4 18.Ke2 (better is 18.Nh4! Rf8 19.Ng6 hg6 20.Nc7 Qc7 21.Qc7 Nd4+-) 18...gf3 19.Kf1 (19.gf3!? Nf4 20.Kf1 Nd5 21.Qh8 Kd7 22.Qd8 Kd8 23.Bd5 c6+-) 19...fg2 20.Kg1 (20.Kg1 Bd7 21.Nf6 Qf6 22.Qf6+-; 20.Kg2!? Bh3 21.Kh3 Qd7 22.Qd7 Kd7 23.Nf6 Kd8+-) 1–0. redrook (2525) – halilgulsen (2335), net–chess.com, 2008.

8.a3 Bf8 9.Nf3 Bg7 (9...d6 10.Nc3 (10.0-0 Qd7 11.Nc3 c6 12.Rab1 Kd8 13.Rfe1+=; 10.d4 Qe7 11.0-0 Nd7 12.Nc3 c6 13.Bb3=; 10.Bb3 Qd7 11.Nc3 Kd8 12.Nd5 Bg7 13.d4+=) 10...c6 11.d4 Qb6 12.Nd1 Kd8 13.de5=; 9...Nc6 10.h4 (10.Nc3 Rb8 11.Rb1 Bc5 12.0-0 d6 13.Rfd1=; 10.0-0 Bc5 11.Nc3 a6 12.Rfb1 b5 13.Bd5=) 10...g4 11.Nh2 g3 12.fg3 Na5 13.Ba2=; 9...Bc5 10.0-0 (10.Nc3 c6 11.Bb3 d6 12.Na4 Nd7 13.0-0+=; 10.d4 ed4 11.Bd4 Bd4 12.Nd4 Qe7 13.Nd2+=) 10...Nc6 11.Nc3 a6 12.Rfb1 b5 13.Bd5=) 10.d4 (10.0-0 c6 11.Nc3 d6 12.d4 b5 13.Bb3=; 10.h4 g4 11.Nh2 c6 12.Ng4 d5 13.ed5=; 10.Nc3 c6 11.0-0 d6 12.d4 b5 13.Nb5=) 10...d6 11.g4 (11.de5 A) 11...fe5? 12.Ng5 (12.Qg5?! Qg5 13.Ng5 h6=) 12...Nc6 13.Bc1+/- (worse is 13.Nh7 Nce7+/-); B) 11...de5 12.Nc3 c6= 13.Rd1=) 11...Qe7 (better is 11...Qd7 12.h3 Kd8+= 13.de5+=) 12.Nbd2? (12.de5 Nc6 (12...de5 13.h4 Nc6=) 13.Nbd2+=) 12...Be6?? (12...Kf8 13.de5 A) 13...Ne5 14.Ne5 fe5 15.h4 gh4 16.Rh3+/- (16.Rh4?! Be6=); B) 13...de5-+) 13.h4 (13.Be6 Qe6 14.h4 gh4 15.Nh4 Qf7=) 13...Nd7 (13...Bc4 14.Nc4 ed4 15.Ncd2+=) 14.d5 (14.Be6!? Qe6 15.hg5 fg5 16.d5=) 14...Bf7+= 15.hg5 Nf4 16.gf6 Nf6 17.Qh2 (17.Qg5 Rg8 18.Nh4 Bf8 19.Bb5 c6 20.dc6 0-0-0 (20...Rg5?? 21.cb7 Nd7 22.ba8Q Qd8 23.Bd7 Kd7 24.Qa7 Ke6 25.Nhf3 Rg4 26.Rh7+-) 21.Qf5 Be6 22.cb7 Kb7-+) 17...Ng4 18.Qg3 h5 19.0-0-0 (19.Nh4!? Bf6 20.Nf5+=) 19...0-0-0 20.Nh4 Rdg8 21.Nf5 Qf8 22.f3 Nh6 23.Qf2 (23.Ng7 Rg7 (23...Qg7?! 24.Qf4 ef4 25.Bg7 Rg7 26.Rh4+=) 24.Qh4 Rhg8-+) 23...Kb8 (23...Nf5 24.Qa7 Ng3 25.Bb5-+) 24.Ng3 Bf6 25.Rdg1 h4 26.Ne2 Rg1 27.Ng1 (27.Qg1 Ne2 28.Be2 Be8-+) 27...Rg8 (27...Be8 28.Nh3 Nh3 29.Rh3-+) 28.Bf1 (28.Ne2 Rg2 29.Qf1 Ne2 30.Be2 Rg3-/+) 28...Bh5 29.Ne2 (29.Kb1 Bg5-+) 29...Bg5 30.Nc3 Ng6 0–1. Roczniak,Jan – Lison,W, Poland (year?).

8.Ne2 Nc6 9.0-0 Na5!? A) 10.Bb5 A1) 10...a6 11.Ba4 (11.Bd3 d6 12.Nbc3 Bc5 13.Rfb1 Be6 14.Nd5+= ; 11.a3 Bc5 12.Bd3 d6 13.Nbc3 Be6 14.Nd5-/+ ; 11.c3 ab5 12.cb4 Nc6 13.a3 d5 14.d4+=) 11...b5 12.Bb3 Nb3 13.ab3 d5 14.d4+=; A2) 10...c6 11.Bd3 (11.c3 Bc5 12.d4 cb5 13.dc5 Nc4 14.Bc1-/+ ; 11.a3 Bc5 12.d4 Qb6 13.dc5 Qb5 14.Bc3-/+ ) 11...Bc5 12.Nbc3 b5 13.Ng3 d6 14.Nce2+=; B) 10.Ba3 Ba3 (10...Nc4 11.Bb4 a5 12.Bc3 d5 13.ed5 Qd5 14.d3-/+ ) 11.Na3 Nc4 12.Nc4 d5 13.ed5 Qd5 14.d3-/+; C) 10.Bd3 C1) 10...d6+= 11.Nbc3 (11.a3 Bc5 12.Nbc3 Bd7 13.Ng3 0-0 14.Nce2+=; 11.Bc3 Bc3 12.Nbc3 c6 13.Ng3 0-0 14.Nce2-/+ ; 11.Rd1 Be6 12.Nbc3 Bf7 13.Qf3 Nh4 14.Qg3+= ) 11...Be6 12.Rfb1 Rb8 13.Nd5 Bc5 14.Bc3+= ; C2) 10...a6 11.c3 (11.Nbc3 d6 12.Rfb1 Bc5 13.Ng3 0-0 14.Nce2+= ; 11.f4 0-0 12.f5 Ne7 13.Nbc3 Bc5 14.Kh1+= ; 11.a3 Bc5 12.Nbc3 d6 13.Na4 b5 14.Nc5+=; 11.Ng3 d6 12.a3 Bc5 13.Bc3 Nc6 14.Nf5+=) 11...Bc5 12.Bc2 Bb6 13.d4 d6 14.Nd2+=; C3) 10...c6 11.Nbc3 d6 12.Rfb1 b5 13.a4 a6 14.ab5+=.

8.Ne2 Nc6 9.0-0 Bc5 A) 10.Ba3 A1) 10...Bb6 11.Nbc3 (11.Ng3 d6 12.Nf5 Nd4 13.Nd4 Bd4 14.c3+= ) 11...d6 12.Nd5 Na5 13.Bd3 0-0 14.Ng3+= ; A2) 10...Ba3 11.Na3 Na5 12.d4 Qe7 13.Nb5 d5 14.Bb3-/+ ; B) 10.Ng3 B1) 10...d6 11.c3 (11.Nc3 Nd4 12.Rfc1 Bd7 13.a4 a6 14.Nd5+= ; 11.d3 Na5 12.Bb3 Nb3 13.ab3 0-0 14.Qd1+= ; 11.Ba3 Ba3 12.Na3 Na5 13.Rfb1 c6 14.c3+=; 11.Nf5 Na5 12.Bb3 Nb3 13.ab3 d5 14.Ng3-/+) 11...Rb8 12.Rd1 b5 13.Bd5 Nce7 14.Bb3+=; B2) 10...Nd4 11.Bd4 Bd4 12.c3 Bb6 13.Nf5 d5 14.Bd5+= ; B3) 10...Na5 11.Be2 (11.Bb3 Nb3 12.ab3 d5 13.Nc3 d4 14.Na4-/+ ; 11.Bb5 c6 12.Bd3 0-0 13.Qh6 Rf7 14.Ne2-/+ ) 11...0-0 12.Nc3 Nf4 13.Qf3 d6 14.Na4+=; C) 10.Nc1 C1) 10...Nb4 11.Bb3 (11.Nb3 Bb6 12.Na3 d5 13.ed5 Nd5 14.d4+= ; 11.Na3 d5 12.ed5 Nd5 13.Nb3 Ndf4 14.Qd1-/+ ; 11.Nd3 Nd3 12.Bd3 d6 13.Nc3 Be6 14.Bb5-/+) 11...d6 12.Nc3 f5 13.Na4 Bb6 14.Nb6=; C2) 10...Bb6 11.Re1 (11.Nd3 Na5 12.Bb3 d6 13.Re1 Nb3 14.ab3+= ; 11.Nc3 Nd4 12.Qd1 f5 13.Nb3 d6 14.Na4+= ; 11.Ne2 d6 12.Nbc3 Na5 13.Bb3 f5 14.Nd5+=) 11...d6 12.Nb3 a5 13.a4 Nb4 14.Na3+=; C3) 10...Bd4 11.Nc3 (11.Bc3 d6 12.Nb3 Bb6 13.a4 a5 14.d3+= ; 11.c3 Bb6 12.Nb3 Qe7 13.d3 d6 14.a4+= ; 11.Nd3 Bb2 12.Nb2 d6 13.Bb5 f5 14.Nc3-/+) 11...d6 12.N1e2 f5 13.Bd5 Bb6 14.ef5+=; C4) 10...d6 11.Nb3 Bb6 12.a4 a5 13.Nc3 Nb4 14.Rac1+= ; C5) 10...Na5 11.Bb3 (11.Be2 d6 12.Nd3 Bb6 13.Nc3 f5 14.Ne1+= ; 11.Bd3 d6 12.Nb3 Nb3 13.ab3 0-0 14.Bc4+= ; 11.Bd5 c6 12.Bb3 d5 13.ed5 cd5 14.Nd3-/+; 11.Bb5 c6 12.Be2 d5 13.Nc3 Nc4 14.Bc4-/+) 11...d6 12.Nd3 Bb6 13.Re1 c6 14.Nc3+=; D) 10.Nec3 D1) 10...Bd4 11.d3 (11.Na4 Bb2 12.Nb2 d6 13.Bb5 Bd7 14.Nc3+= ; 11.Na3 a6 12.Bd5 d6 13.Rab1 Na5 14.Ne2+= ; 11.Nd1 Bb2 12.Nb2 d6 13.Nc3 Nd4 14.Nb5-/+; 11.Bd5 d6 12.a3 Na5 13.Na4 Bb2 14.Nb2-/+) 11...b5 12.Bb3 Rb8 13.Nd1 Bb2 14.Nb2+=; D2) 10...Na5 11.Bd3 (11.Be2 0-0 12.Qf3 Nf4 13.Na4 Be7 14.Nac3-/+ ; 11.Bb3 c6 12.Na4 Be7 13.Rd1 d5 14.d4-/+ ) 11...Bd4 12.Na4 Bb2 13.Nb2 d6 14.Nc4-/+; D3) 10...a6 11.Rc1 (11.Bd5 d6 12.Na4 Ba7 13.Re1 f5 14.Nbc3-/+ ; 11.d3 d6 12.Na4 Bd4 13.c3 Ba7 14.Bc1-/+ ; 11.a3 d6 12.Nd5 Na5 13.Ba2 c6 14.Ne3+=; 11.Nd5 Na5 12.Bd3 c6 13.Ndc3 b5 14.Ne2-/+) 11...d6 12.Nd5 f5 13.Qh6 Nb4 14.d4+=; D4) 10...Rb8 11.Rd1 (11.Bd5 Bd4 12.Nd1 Bb2 13.Nb2 Nd4 14.Bb3+= ; 11.Na4 Bd4 12.c3 b5 13.Bb5 Rb5 14.cd4+= ; 11.Rc1 Bd4 12.Na3 a6 13.Bd5 b5 14.Nd1-/+; 11.Nd5 Na5 12.Be2 c6 13.Ndc3 d5 14.ed5-/+) 11...b5 12.Bb5 Nd4 13.Ba3 Ba3 14.Na3=; D5) 10...d6 11.Na4 Bb4 12.a3 Ba5 13.Qf3 Nf4 14.g3-/+; E) 10.Nbc3 E1) 10...Na5 11.Bb3 Nb3 12.ab3 0-0 13.Qf3 c6 14.Qd3+= ; E2) 10...a6 11.Ng3 (11.Nc1 d6 12.Nb3 Nd4 13.Rfc1 b5 14.Bf1+= ; 11.Rfd1 d6 12.Rab1 Na5 13.Bd3 Be6 14.Ng3-/+ ; 11.Rfb1 Na5 12.Bd3 d6 13.Ng3 0-0 14.Nce2+=; 11.Na4 Bb4 12.Nac3 Na5 13.Bd3 d6 14.Rfb1+=) 11...Nd4 12.Na4 Ba7 13.Nf5 d6 14.Bd4=; E3) 10...d6 11.Na4 Bb4 12.c3 Ba5 13.Ng3 Rb8 14.Bb5+=.

8.Ne2 Nc6 9.0-0 Nce7 10.d4= d6 (10...Nc6 11.Bd5 (11.Rd1 d6 12.a3 Ba5 13.Nd2 Bb6 14.Nf3=; 11.c3 Ba5 12.d5 Nce7 13.Nd2 d6 14.Rab1=; 11.Rc1 ed4 12.Nd4 Nce5 13.Be2 0-0 14.g3+=; 11.a3 Ba5 12.Bd5 Qe7 13.Rd1 Bb6 14.Bc6=) 11...d6 12.f4 gf4 13.a3 f3 14.ab4=) 11.Nbc3 (11.a3 Ba5 12.Rd1 Nc6 13.Nd2 Bb6 14.Nf3=; 11.Rd1 Nc6 12.a3 Ba5 13.Nd2 Bb6 14.Nf3=; 11.Qf3 Nc6 12.a3 Ba5 13.Rd1 Rf8 14.d5=; 11.Rc1 Qd7 12.Rd1 Qg4 13.Ng3 Nc6 14.c3=; 11.c3 Ba5 12.Rd1 Qd7 13.de5 fe5 14.Qg5=) 11...c6 (11...Qd7 12.Rab1 a6 13.Ba1 Bc3 14.Bc3=) 12.f4? (better is 12.a3!? Ba5 13.de5 de5 14.Rfd1=) 12...gf4-/+ 13.de5 (13.Rad1 b5 14.Bb3 Qb6-/+) 13...de5 (13...fe5!? 14.Kh1-+) 14.Rad1 Qb6 15.Kh1 Bc3 16.Bc3 Bd7 17.Rd6 (17.Nf4 ef4 18.Bf6 0-0-0-/+) 17...Qc5 18.Rf6?? (better is 18.Bf7 Kf7 19.Rd7-/+) 18...Qc4-+ 19.Be5 (19.R6f4 0-0-0 20.Rf7 Rhe8-+ (worse is 20...Qe4 21.Be5 Rhe8 22.Bg3-+)) 19...0-0-0 (19...Qb5 20.Rf5 Nf5 21.Bh8-+) 20.R6f4 (20.Bd6 Qe4 21.Qa5-+) 20...Nf4 21.Bh8 (21.Bf4 Rhf8 22.Qf3-+) 21...Nh5 (21...Nh5 22.Rf7 Qe2 23.h3 Bh3 24.Rf2 Qf2 25.gh3 Ng3) 0–1. marekt – notsofar, gameknot.com, 2001.

8.Nf3 c6 9.0-0 d5 10.Bd3 Be6 (10...Ke7 11.ed5 Nf4 12.Qh6 Nd3 13.Qg7 Kd6 14.cd3-/+) 11.h4 (better is 11.a3!? Bc5 12.ed5+=) 11...Bf7-/+ 12.hg5 Nd7 13.Nc3 (13.gf6!? Qf6 14.Qf5+=) 13...d4 14.Ne2 Qe7 (14...Nf4 15.Qh2 fg5 16.Nf4 gf4 17.c3 dc3 18.dc3-/+) 15.a3 Bd6 16.Ng3 Nf4 17.Qh1 0-0-0 18.Nf5 Qe6 (better is 18...Qf8!?-/+) 19.Bc4+= Qc4?? (better is 19...Qf5! 20.ef5 Bc4+=) 20.Nd6+- Kc7 21.Nc4 Bc4 22.d3 Be6 23.Qh4 Rdg8 24.Bc1 (24.Nd4 Bf7 25.Nf5 Ne2 26.Kh1 Rg5+-) 24...h6 (24...fg5 25.Ng5 Ng2 26.Ne6 Kc8 27.Qe7 Nf4 28.Ng7+-) 25.Bf4 hg5 26.Be5! Ne5 (26...Ne5 27.Qg3 Pinning (27.Qg3 Decoy); 26...fe5 27.Qg3 Pinning (27.Qg3 Decoy)) 27.Qg3 Kd6 Black plans g4 28.Rab1 (28.Nd4 Re8+-) 28...b6 (28...Rg7 29.Nd4 Rgh7 30.f4 gf4 31.Qf4 Rh1 32.Kf2+-) 29.c3 g4 (29...Kd7 30.Ne5 fe5 31.Qe5 dc3 32.Qd4 Kc8 33.Qc3+-) 30.Ne5 fe5 31.cd4 Rh5 32.de5 Kd7 33.d4 Rgh8 (33...Ba2 34.Rbc1+-) 34.f4 1–0. Janek – vytek, internet, 2016.

8.Nf3 c6 9.0-0 d5 10.ed5 cd5 11.Bd3 e4 12.Bb5+=.

8.f4 ef4=+ 9.Nf3 d5 (better 9...Qe7!? 10.Ng5 fg5 11.Bh8 Kd8= (worse 11...Qe4 12.Be2+=)) 10.ed5+= Bf5 (10...g4 11.Nd4 Qe7 12.Kf2+/-) 11.Ng5 (11.0-0!? Bc5 12.d4+=) 11...fg5= (11...Bc2? 12.Ne6 Qd6 13.Bf6+-) 12.Bh8 Qe7 13.Kd1 Kd8? (13...Nd7 14.Bc3 Nde5 15.Be2 Bc3 16.Nc3= (16.dc3 0-0-0 17.h4 Nh4 18.Rh4 Bg6-+)) 14.Re1 (better 14.Bc3 a5 15.Bd3 Bd3 16.cd3+-) 14...Qf7?? (14...Bc2 15.Kc2 Qe1 16.Qh7 Nh8 17.Qh8 Qe8 18.Qg7+=) 15.Bb3 (better 15.Qg5 Kc8 16.Bf6+-) 15...Nh8= 16.Qg5 Kc8 17.d6 (17.Qf4?? Bc2 18.Kc2 Qf4-+) 17...Qg6 18.Qe7? (better 18.Qf5! Qf5 19.Be6 Qe6 20.Re6=) 18...Bd6-/+ 19.Qe8 (19.Be6!? Be6 20.Qe6 Qe6 21.Re6-/+) 19...Qe8-+ 20.Re8 Kd7 21.Rh8 Be5 22.Rf8 Ba1?? (22...Bg4 23.Kc1 Ba1=+) 23.Rf5+/- Nc6 (23...Na6 24.Rf4 Re8 25.c3+-) 24.c3 a5 (24...Re8 25.Rf4 Re7 26.Kc2+-) 25.Ba4 (better 25.Rf4!? Re8 26.Na3+-) 25...Rg8+/- 26.Rf7 (26.Rf4 Rg2 27.Rh4 Rg7+/-) 26...Kd6+= 27.Bc6 (27.Rf4 Rg2 28.Rf6 Ke7 29.Rh6+=) 27...bc6 (27...Kc6 28.Rf6 Kd5 29.Rf4 Rg2 30.h4+=) 28.Rh7 (better 28.Rf4!? Rg2 29.Rh4+/-) 28...Rg2= 29.Rh6 Ke5 30.Kc2 (30.Na3 f3=) 30...f3 31.Rh8 f2 32.Rf8 Rh2 33.Na3 Kd5 34.Rf4 c5 35.Nc4 a4 (35...f1N 36.Rf1 Kc4 37.Ra1=) 36.a3 (better 36.Ne3 Ke6 37.Ra4+/-) 36...Rh1? (better 36...f1N=) 37.Ne3+- Kc6 (37...Ke6 38.Rf2 c6 39.Rf5+-) 38.Rf6 Kb7 (38...Kd7 39.Rf2 Ke6 40.Rf5+-) 39.Rf2 Bc3 (39...Kc6 40.Rf6 Kb5 41.Rf8+-) 40.dc3 Ra1 41.Nc4 Re1 (41...Ka6 42.Kd3 Kb5 43.Rb2 Kc6 44.Rb8+-) 42.Rd2 (42.Nb2 Ra1+-) 42...Re7 (42...Kc6 43.Rd8+-) 43.Rd5 Kc6 44.Rh5 Rf7 (44...Re1+-) 45.Ne5 Kb7 46.Nf7 c6 47.Rc5 Kb6 48.Rc4 c5 49.Nd6 Kc6 50.Ra4 Kd5 51.Ra5 1-0. carlos78 (2195) - ZeruHmyz (2290), Rated Blitz game, lichess.org, 2015.

8.g4 c6 9.h4 d5 10.Bd3 (10.ed5 cd5 11.Bd3 Kd7 12.Bf5 Kd6 13.hg5 Nf4= 14.Qh6 Bf5=) 10...d4 (10...gh4 11.ed5 Ke7 12.g5 Qd5 13.f3 Nf4 14.Qh6 Nd3-/+) 11.hg5 (11.Nf3 Nd7 (11...Qd7 12.Rg1 gh4 13.Nh4 Rf8 14.Ng6 hg6=) 12.hg5 fg5 13.c3 dc3 14.Bc3 Rf8+=) 11...fg5 (11...Nd7 12.Nf3 fg5 13.c3 dc3 14.Nc3 Bc5+=; 11...Be6 12.gf6 Qf6 13.g5 Qf7 14.c3 dc3+=) 12.Ba3 (12.Nf3 Nd7+= 13.Qg5 Qg5 14.Ng5 Nf4+=) 12...Ba3-/+ (12...Qe7 13.Bb4 Qb4 14.Qg5 Kd7-/+) 13.Na3 Qf6 (13...Qe7 14.Nc4 b5-/+) 14.Nh3 h6 (14...Nd7-/+) 15.Nc4 (15.Be2 Nd7 16.f3 Qg7-+) 15...Nd7 16.c3 (better is 16.f3!?-+) 16...b5 17.Nb2 (17.Na5 Qg7 18.Ng1 Nf6-+) 17...dc3 (17...Qf7 18.Ng1 Nf6 19.Qh2 Ng4 20.Qg3-+) 18.dc3 Nc5 (18...Qf7 19.Ng1 Nf6 20.Qh2 Ng4 21.Qg3-+) 19.0-0-0 (19.Ng1 Be6 (19...Nd3?! 20.Nd3 Be6 21.a4-+) 20.Bc2 0-0-0-+) 19...Be6 20.Bb1?? (20.f4 gf4 21.Bb1-+) 20...Bf7 21.Ng1 (21.Rd6 Qd6 22.Ng5-+) 21...Qf4 22.Rd2 (22.Kc2 Nh4 23.Rh4 Bh5-+) 22...Nh4 (22...Nh4 23.Ne2 Qf2 24.Rh4 Bh5 25.Rh5 Qe1 26.Nd1 Rd8 27.Rd8 Kd8-+) 0–1. Roczniak,Jan – Lison,W, Poland (year?).

8.h4 c6 9.hg5 b5 10.Bb3 d5 11.ed5 (11.Nf3) 11...fg5+- 12.Nf3 Rf8 13.Ne5 Qe7 14.Qh7 Nf4+-; 9...Bc5 10.Ba3 Ba3 11.Na3 Qa5 12.gf6 d5 13.ed5 Qa3 14.Qg6 hg6+/-; 9...Be7 10.Nf3 Qb6 11.Bc3 d6 12.Nh4 Rf8 13.Ng6 hg6 14.Qg6 Kd8+/-.

8.h4 c6 9.hg5 Bc5!? 10.Ba3 Ba3 11.Na3 Qa5 12.gf6 d5+/-.

8.h4 c6 9.hg5 d5 10.ed5+/- cd5 (10...Bf5 11.gf6 (11.Nf3 Bc2 12.gf6 Qf6 13.Be5 Qe7 14.Be2 Rf8+=) 11...Qf6 12.Nf3 Bc2 13.Be5+/- Qe7 14.Be2 Rf8+=) 11.Bb5 (11.Qg6 hg6 12.Rh8 Bf8 13.Bb5 Nd7+- (13...Kf7 14.Ba3 Nd7+-) 14.Ba3 Kf7+-) 11...Bd7 (better is 11...Ke7!? 12.gf6 Kd6+/- 13.f7 Be6 14.f4 Qf6+-) 12.Qg6!+- hg6 13.Rh8 Ke7?? (13...Bf8 14.Ba3 Kf7 15.Rf8 Qf8 16.Bf8 Bb5+-) 14.gf6 Kf6 15.Rd8 Bb5 16.Nf3 d4 17.Nd4! ed4 (17...Bd7 18.Nf3 Bd6 19.d4+-) 18.Rd4 Be7 (18...Bd2 19.Nd2 Ke6 20.0-0-0+-) 19.Rd5 Ke6 20.Rb5 Nc6 (20...b6 21.Nc3+-) 21.Rb7 Re8 22.Nc3 Kf5 23.0-0-0 (23.0-0-0 Rb8 24.Rc7+-) 1–0. pcmvr (2780) – hockhin (2355), net–chess.com, 2008.

8.h4 c6 9.hg5 d5 10.ed5+- cd5 (better is 10...Bf5 11.gf6 Qf6+-) 11.Qg6! hg6 A pinning theme. 12.Rh8 Theme: Double Attack 12...Bf8 13.Ba3 Nd7 14.Bb5 Qb6?? (14...Kf7 15.Bd7 Bd7 16.Rf8 Qf8 17.Bf8 Rf8+-) 15.Rf8 1–0. pierred – mei_hong_lo, Yahoo, 2005.

8.h4 Nc6 9.hg5+- Be7 10.f4 ef4?? (better 10...b5+-) 11.Qg6!!+- hg6 12.Rh8 Bf8 13.Bf6 Ne7 (13...b5 14.Bd5 Bb7 15.Bd8 Rd8 16.Kd1+-) 14.Bg7 d6 (14...Ng8 15.Rg8 Qg5 16.Bf8 Qh4 17.Kf1 d5 18.Bd5 c6+-) 15.Rf8 Kd7 16.Be6! Ke6 17.Rd8 Kf7 (17...b5 18.Ne2 Kf7 19.Bf6+-) 18.Bh6 Nc6 19.Rf8 Ke7 20.Ne2 Ne5 21.Nf4 Nf7 22.Nd5 Ke6 23.Nc7 Ke7 24.Nc3 Nh6 25.Re8 Kd7 26.gh6 Kc7 27.h7 Kd7 28.h8Q Kc6 (28...g5 29.Rd8 Kc7 30.Nd5 Kc6 31.Qc3 Kb5 32.Rb1 Ka6 33.Qa3) 29.Rc8 Rc8 30.Qc8 Kb6 31.Rb1 (31.Rb1 Ka5 32.Qb7 a6 33.Qd5) 1–0. Janek – Regency, internet, 2019.

8.h4 d6 9.hg5+= fg5?? (better is 9...Qe7+= 10.Nc3 Bc3 11.Bc3 Be6 12.gf6 Qf6 13.Be6+=) 10.Qg6!!+- hg6 11.Rh8 Theme: Double Attack 11...Kd7 12.Rd8 Kd8 13.Nc3 Bg4 14.Nf3 (14.Nh3 Bh3 15.gh3 Nd7+-) 14...Bc3 15.Bc3 Nc6 (15...Bf3 16.gf3 a6 17.Ke2+-) 16.Ke2 Ke7 17.Rh1 Kf6 (17...Rf8 18.Rh7 Kd8 19.Bf7+-) 18.Rh7 Bf3 (18...Nd8 19.d4 Bf3 20.Kf3+-) 19.Kf3 Ne7 (19...Nd4 20.Bd4 ed4 21.Rc7 b5 22.Bb5 a5+-) 20.Rf7 1–0. marekt (2600) – waltun, chessworld.net, 2008.

8.h4 Qe7 9.hg5 fg5?? 10.Qg6 hg6 11.Rh8 (11.Rh8 Qf8 12.Rf8 Bf8 13.Be5+-) 1–0. Korner – Breitenstein, corr T5005, 1985.

8.Ne2 c6

9.a3 Bc5 10.f4 d5 11.f5 dc4 12.fg6 Ke7 13.g7 Rg8 14.Qh7 Be6 15.Nbc3 Kf7 16.Ng3 Rg7 17.Qh5 Ke7 18.Nf5 Bf5 19.ef5 Qd4 20.0-0-0 Nd7 21.Rhe1 Qf4 22.Rf1 Qh4 23.Qe2 b5 (worse is 23...Qh2 24.Rh1 Qf4 25.Rdf1+/-) 24.d4 cd3 25.Rd3 Qc4 (25...Qh2? 26.Rh3 Qh3 27.gh3+-) 26.Ne4 Ke8 27.Rfd1 Be7 28.Qh5 Rf7 29.Rd7 (29.Rd7 Qe4 30.Qh8 Rf8 31.Qh7 Qe3 32.Kb1+/-) 1–0. Kleinsorgen,Horst M – Blatt,Frank, WCCF, 2004.

9.Nbc3 Bc3 10.Nc3 Qe7 11.0-0 d6 12.Rad1 b5 13.Bb3+= A) 13...Be6 14.d4 (14.Ne2 Qd7 15.Qf3 Bg4 16.Qe3 Be2 17.Qe2+= ) 14...b4 15.Ne2 Nd7 16.Ng3 Kd8 17.Qe2=; B) 13...Qd7 14.Qh6 (14.d4 b4 15.de5 bc3 16.Bc3 fe5 17.Be5+= ; 14.f3 b4 15.Ne2 a5 16.a4 ba3 17.Ba3=; 14.a3 a5 15.d4 Qg4 16.Qg4 Bg4 17.f3+=) 14...Rf8 15.Rfe1 a5 16.a4 b4 17.Ne2=; C) 13...b4 14.Ne2 (14.Nb1 a5 15.a4 ba3 16.Na3 a4 17.Bc4+= ; 14.Na4 Be6 15.d4 ed4 16.Rd4 c5 17.Be6+=) 14...a5 15.Ng3 a4 16.Bc4 Nd7 17.Nf5=; D) 13...g4 14.a3 (14.Rfe1 b4 15.Ne2 a5 16.Ng3 a4 17.Bc4= ; 14.a4 ba4 15.Na4 Be6 16.d4 Na6 17.f4=) 14...a5 15.a4 b4 16.Ne2 Be6 17.Ng3=; E) 13...Na6 14.d4 Rb8 15.Rd2 b4 16.Ne2 Nc7 17.Ng3=.

9.Nbc3 Bc3 10.Nc3 Qe7 11.0-0 d6 12.Rad1 Nd7 A) 13.d4 A1) 13...Nb6 14.Bb3 Be6 15.de5 de5 16.Bc1 Bc4 17.Rfe1= ; A2) 13...b5 14.Bb3 Rb8 15.Rfe1 ed4 16.Rd4 c5 17.Rd5= ; A3) 13...Rb8 14.Bb3 (14.Be2 0-0 15.Bc1 Nf4 16.Bf4 gf4 17.Rd2= ; 14.a3 Nb6 15.Bb3 Be6 16.Rfe1 Bf7 17.Ne2+= ; 14.Rd2 b5 15.Be2 b4 16.Nd1 c5 17.de5+=; 14.Rfe1 b5 15.Bb3 ed4 16.Rd4 Nde5 17.a4=) 14...b5 15.Ne2 Nb6 16.de5 de5 17.Ng3=; A4) 13...Kd8 14.Bb3 (14.Rd2 b5 15.Be2 Nf4 16.Qf3 Ne2 17.Qe2+= ; 14.Qh6 b5 15.Be2 Nf4 16.Rfe1 Rg8 17.Bh5-/+ ) 14...Nf4 15.Qf3 h5 16.Ne2 Nf8 17.Qe3=; A5) 13...ed4 14.Rd4 Nde5 15.Be2 Be6 16.Rfd1 0-0-0 17.Bc1+= ; B) 13.Bb3 B1) 13...Nb6 14.d4 Be6 15.de5 de5 16.Rd2 Qf7 17.Rfd1= ; B2) 13...b5 14.d4 (14.a4 b4 15.Na2 Nc5 16.d4 Nb3 17.cb3+= ) 14...ed4 15.Rd4 a5 16.a3 Nde5 17.Qd1=; B3) 13...Rb8 14.Rfe1 (14.d4 b5 15.Rfe1 ed4 16.Rd4 c5 17.Rd5= ; 14.d3 b5 15.Rfe1 a5 16.a4 b4 17.Nb1+= ; 14.a3 Nc5 15.Ba2 Be6 16.d4 Na4 17.Na4+=) 14...b5 15.d4 a6 16.Ne2 c5 17.dc5=; B4) 13...Nc5 14.d4 Nb3 15.cb3 Be6 16.Rfe1 Bf7 17.Qe2+=.

9.Nbc3 Bc3 10.Nc3 Qe7 11.0-0 d6 12.Rad1 Kd8 13.d4 A) 13...b5 14.Bb3 Nf4 15.Qh6 b4 16.de5 bc3 17.Ba3=; B) 13...Be6 14.Be6 Qe6 15.de5 Ne5 16.Rd6 Qd6 17.Rd1+=; C) 13...Nd7 14.Bb3 (14.Rd2 b5 15.Be2 Nf4 16.Qf3 Nb6 17.Rb1+= ) 14...Nf4 15.Qf3 h5 16.Ne2 Nf8 17.Qe3=; D) 13...Nf4 14.Qh6 (14.Qf3 h5 15.de5 fe5 16.Qe3 Bg4 17.f3+= ) 14...b5 15.de5 bc4 16.ef6 Qf8 17.Qf8+=.

9.Nbc3 Bc3 10.Nc3 Qe7 11.0-0 d6 12.Rad1 Be6 13.Bb3 (13.Be6 Qe6 14.d4 Na6= 15.d5 cd5 16.Nd5 Rc8 17.Ba3=) 13...Nd7+= (13...Bf7 14.Ba3 (14.Bf7 Qf7 15.Ba3 Qe6 16.Rb1 b5 17.Bc1+=; 14.Qh3 Nd7 15.d4 Nf4 16.Qe3 Nb6 17.Rfe1+=; 14.d4 Nf4 15.Bf7 Qf7 16.Qf3 Nd7 17.Bc1+=; 14.Qg4 Nd7 15.d4 Nb6 16.Ne2 Nc4 17.Bc3+=) 14...Bb3 15.ab3 Na6 16.d4 b5 17.de5=; 13...Kd8 14.d4 (14.Ne2 c5 15.d3 Nc6 16.Rfe1 Nb4 17.c4+=; 14.Qf3 h5 15.Be6 Qe6 16.d4 Nf4 17.de5+=) 14...Nf4 15.Qf3 h5 16.Be6 Qe6 17.de5+=; 13...Kd7 14.d4 (14.Ne2 c5 15.d3 Nc6 16.Rb1 Bb3 17.Bc3+=) 14...Nf4 15.Qf3 h5 16.Qe3 Bb3 17.ab3=; 13...Bb3 14.ab3 (14.cb3 Qf7 15.d4 Nf4 16.Qf3 Nd7 17.d5=) 14...0-0 15.d4 Nf4 16.Qg4 b5 17.Ne2=) 14.d4 (14.Be6 Qe6 15.d4 Nb6 16.d5 cd5 17.Nd5+=) 14...Bb3 (14...ed4 15.Rd4 0-0-0 16.Ba3 (16.Qd1+= Nde5 17.Ba3+=) 16...Nb6 17.Rfd1+=) 15.cb3 (15.ab3 0-0-0 16.d5 Nf4 17.Qf3=) 15...0-0 (15...0-0-0 16.d5 Nf4 17.Qf3=) 16.g3 (16.Bc1 Rf7= (16...Nf4 17.Bf4=) 17.d5=) 16...Rad8 (16...f5 17.de5+=) 17.Qg4 (17.d5!?+=; 17.Bc1+=) 17...ed4-/+ 18.Rd4 Nde5 19.Qf5 Qf7 20.f4 gf4 (better is 20...Ne7!? 21.Qh3 g4-+) 21.gf4+= Nh4 (better is 21...Ne7!? 22.Qh3 N5g6+=) 22.Qh3+= Qh5 (22...Qg7!? 23.Kh1 Qg4+/-) 23.fe5+- fe5 24.Rd3 Kh8 25.Rg3 Rg8 26.Kh1 Rg6? (better is 26...Rg3 27.Qg3 Rg8+-) 27.Rg6+- hg6 28.Rf7 (better is 28.Bc1 Rg8 29.Ba3+-) 28...g5 (28...Qh6+-) 29.Qe6 (29.Rb7 Rf8 30.Qd3 Qg4+=) 29...Qg6 30.Rf6 (30.Rf6 Re8 31.Rg6 Re6 32.Re6+-) 1–0. Bedbur – Goebgens, corr, 1987.

9.Nbc3 Bc3 10.Nc3 Qe7 11.0-0 d6 12.Rad1 f5 A) 13.Rfe1 A1) 13...Rf8 14.d4 (14.Bb3 g4 15.d4 f4 16.de5 de5 17.Re2= ) 14...fe4 15.de5 d5 16.Bd5 cd5 17.Nd5+-; A2) 13...b5 14.ef5 (14.Bb5 Kd8 15.Bc4 Qf6 16.d4 ed4 17.Nd5+/-) 14...Bf5 15.Nb5 Kd7 16.Nd4 Qf6 17.Nf5+-; A3) 13...Bd7 14.d4 f4 15.Ne2 Rf8 16.f3 b5 17.Bd3=; B) 13.a4 B1) 13...Qf6 14.d4 (14.Rb1 Kd8 15.Qd1 f4 16.f3 Nd7 17.Ne2= ; 14.d3 Kd8 15.Ne2 Bd7 16.Rb1 b6 17.ef5= ; 14.f3 Kd8 15.Qh6 Nd7 16.ef5 d5 17.Bd5+=; 14.Rfe1 Kd8 15.Qh6 f4 16.d4 Nd7 17.Nb1=) 14...ed4 15.Ne2 c5 16.Nd4 fe4 17.Nb5+=; B2) 13...Rf8 14.Ba3 (14.d3 fe4 15.Ba3 Rf4 16.Ne4 Bg4 17.Qh6-/+ ; 14.Bb3 Nd7 15.d4 Nf6 16.Qg5 fe4 17.de5+= ; 14.Rfe1 fe4 15.Ra1 Bf5 16.g4 Bd7 17.Ne4+=) 14...Nd7 15.d4 Nb6 16.Bb3 c5 17.de5+/-; B3) 13...fe4 14.Ba3 Rf8 15.Ne4 c5 16.Qg5 Qg5 17.Ng5= ; C) 13.Rde1 C1) 13...Rf8 14.ef5 (14.d4 f4 15.f3 Nd7 16.de5 de5 17.Bb3-/+ ; 14.Bb3 g4 15.d4 Na6 16.de5 de5 17.ef5= ; 14.a4 Kd8 15.d4 ed4 16.ef5 Ne5 17.Bc1+=) 14...Bf5 15.d4 Nd7 16.Bc1 d5 17.Bd3=; C2) 13...Kd8 14.Ba3 (14.Bb3 Qf6 15.Qh6 f4 16.f3 Nd7 17.Ne2+= ; 14.a4 Nf4 15.Qh6 Rf8 16.Re3 Be6 17.Be6-/+ ; 14.Qh6 Rf8 15.ef5 Bf5 16.d4 Nd7 17.de5+=; 14.d4 ed4 15.ef5 Ne5 16.Nb1 Bf5 17.Bd4+=) 14...Qf6 15.ef5 Nf4 16.Qf7 Qf7 17.Bf7=; C3) 13...f4 14.d4 Nd7 15.Ne2 Rf8 16.f3 g4 17.Bd3-/+; D) 13.d3 D1) 13...fe4 14.Ba3 Nd7 15.Ne4 c5 16.d4 Nf6 17.Nf6+/-; D2) 13...Kd8 14.Qh6 (14.a4 Qf6 15.Ne2 Bd7 16.Rb1 b6 17.ef5= ; 14.Ne2 Rf8 15.Rfe1 b5 16.Bb3 a5 17.ef5+=; 14.Bc1 f4 15.d4 b5 16.Bb3 b4 17.Ne2=; 14.ef5 Nf4 15.Qh6 d5 16.d4 e4 17.Ba3=) 14...Re8 15.d4 b5 16.de5 bc4 17.ed6+/-; D3) 13...Rf8 14.ef5 (14.Bc1 f4 15.d4 b5 16.de5 bc4 17.ed6+= ; 14.Bb3 Nd7 15.Ba3 Kd8 16.ef5 Rf5 17.Ne4+= ; 14.h3 Nd7 15.Bb3 Nc5 16.Bc1 f4 17.d4+=; 14.a4 fe4 15.Ba3 Rf4 16.Ne4 Bg4 17.Qh6-/+) 14...Bf5 15.Ba3 Nd7 16.Ne4 Be4 17.de4=; E) 13.f4 gf4 14.ef5 Qh4 15.fg6 Qh5 16.Bf7 Kf8 17.g7+/-.

8.Ne2 Qe7

9.Ng3 Qc5 10.Bb3 Nc6 11.0-0 Qa5 A) 12.Nc3 A1) 12...Kd8 13.Bf7 (13.a3 Bc3 14.Bc3 Qc5 15.Ne2 d6 16.Qh6=; 13.Nf5 d6 14.Nh6 Rf8 15.Nf7 Ke8 16.Nh6=) 13...Nce7 14.Qh6 Qa6 15.Qg7 Bc5 16.Nh5+=; A2) 12...Nce7 13.Nf5 (13.a3 Bc5 14.Qh6 Bd4 15.Nh5 Qa6 16.Qg7=) 13...Bc3 14.Bc3 Qc5 15.Rab1 Kd8 16.Ne7=; A3) 12...d6 13.a3 (13.Nf5 Bd7 14.Nd5 Bd2 15.Nf6 Kd8 16.Nh6=; 13.Qh6 Rf8 14.a3 Bc3 15.Bc3 Qc5 16.Nh5+=) 13...Bc3 14.Bc3 Qc5 15.Qh6 Na5 16.Ba5+/-; A4) 12...Rb8 13.Nd5 (13.Rfb1 Bc3 14.Bc3 Qc5 15.Nf5 Kd8 16.Qf3=; 13.a3 Bc3 14.Bc3 Qc5 15.Nf5 d6 16.Qh6=; 13.Nf5 d6 14.Nd5 Kd8 15.Nf6 Bd2 16.Nh6+/-; 13.Rfd1 Nce7 14.Nf5 Bc3 15.Ne7 Ke7 16.Bc3+=) 13...Bd2 14.Rfd1 Bf4 15.Nf1 Kd8 16.g3+/-; A5) 12...Bc3 13.Bc3 Qc5 14.Nf5 d6 15.Nh6 Nce7 16.Bf7=; B) 12.Nf5 d6 (12...Bd2 13.c3 Bf4 14.g3 d6 15.gf4 gf4 16.Rd1+/-) 13.Nc3 (13.Nh6 Rf8 14.Nf5 Bd7 15.a3 Bc5 16.Ng7=) 13...Bd7 14.Nd5 Bd2 15.Nf6 Kd8 16.Nh6=.

9.Ng3 Qc5 10.Bb3 Nc6 11.0-0 Nd4 12.Bd4 (12.c3 Nb3 13.ab3+/- (worse is 13.cb4 Qc2 14.Be5 Na1 15.Bf6 Rf8 16.Ba1 Rf7=) 13...Ba5 14.b4 Bb4 15.cb4 Qb4 16.Bc3+/-) 12...ed4= (12...Qd4? 13.c3 Qc5 14.cb4 Qb4 15.Nc3+-) 13.Nf5 (13.a3 Ba5 14.Nf5 Qe5 15.Re1 d5 16.Ng7+=) 13...d6 (13...Qe5 14.c3 Bc5 15.cd4 Bd4 16.Nd4+=) 14.Ng7 (14.a3 A) 14...Bf5? 15.ab4 (worse is 15.ef5 Qf5 16.ab4 Kd8+-) 15...Qe5 16.ef5 Qf5 17.Ra5+-; B) 14...Ba5 15.Nh6 Rf8+= 16.Bf7+=; 14.Nh6 g4 15.Bf7 Ke7 16.Bg6=) 14...Kd7 (14...Kd8+= 15.a3 Ba5 16.Qf3+=) 15.Bd5 (15.a3 Ba5+= 16.Qf3=) 15...c6 (15...Qc2 16.a3 Bc5-/+ (16...Bd2? 17.Ra2 Qc5 18.Ne6+-)) 16.Be6+= (16.a3+=) 16...Ke7 (16...Kd8 17.a3 Ba5 18.Bc8 Kc8 19.Qf3+=) 17.Bc8= Rac8 (17...Rhc8?? 18.Qh7 Qc2 19.Nf5 Kd8 20.Qg6 Qe4 21.Na3+- (worse is 21.Qf6 Kc7+-)) 18.Qg4 (18.Nf5 Kd7 19.c3 dc3=) 18...Qe5+= 19.g3 (19.Qf3 Bc5+=) 19...d3! 20.c3 (20.cd3 Qc3 (20...Qf4)) 20...Bc5 21.Kg2 (21.Re1!?-/+) 21...Kf7 22.Nh5 d5 23.f4? (better is 23.f3-+) 23...Qe4 24.Kh3 (24.Qf3 g4 25.Qe4 de4 26.f5-+) 24...Rce8 (24...f5 25.Qg5 Be7 26.Qh6-+) 25.Nf6?? (better is 25.fg5 Qg4 26.Kg4 Re4 27.Kh3-/+) 25...Kf6 26.fg5 (26.Qg5 Kg7 27.Qh5 Qe2-+) 26...Ke5 (26...Kg7 27.Qe4 Re4 28.c4-+) 27.Qd1 (27.Qd7 Rhf8 28.Rf8 Rf8-+) 27...Kd6 28.a4 (28.Qg4 Qe2 29.Rf6 Kc7-+) 28...Re5 (28...h6 29.Rf6 Re6 30.Qg4 hg5 31.Qh5 Rh5) 29.a5 (29.Rf6 Re6 30.Qg4 Rf6 31.Qe4 de4 32.gf6 Rf8-+) 29...Rg5 (29...h6 30.Rf6 Ke7 31.Qf3 hg5 32.Kg2 Qe2 33.Qf2 Bf2 34.Ra3 Bc5 35.Rf2 Qf2 36.Kh1 Rh2) 30.Ra4 Qe2 (better is 30...Qe6 31.Kg2 Rf8 32.Rf8 Nf8-+) 31.Qe2 de2 32.Re1 Re8 (32...Rf8!? 33.Re2 Rf1 34.Ra1 Rh5 35.Kg4-+) 33.d4 Rf5 (33...Bb4 34.a6 Rh5 35.Kg2 Nh4 36.gh4-+) 34.Nd2 b5 35.dc5 Kc5 36.Rb4 Re3 (better is 36...Rf2 37.Nb3 Kd6 38.Nc1-+) 37.Nb3 Kd6 38.Nd4 (38.Kg2 Rfe5-+) 38...Rf1 (better is 38...Rf2 39.Rb2-+) 39.Re2 (39.Rbb1 Rf2-+) 39...Rc3 (better is 39...Nf4 40.Kg4 Ne2 41.Nf5 Rf5 42.Kf5 Nc3 43.Rf4-+) 40.Rb5 (40.Kg2 Rd1 41.Nf5 Kc5 42.Rbb2-+) 40...h5 (better is 40...Nf4 41.Kg4 Ne2 42.Rd5 cd5 43.Ne2 Rc2-+) 41.Re6= Kc7?? (better is 41...Kd7 42.Rb7 Kc8=) 42.Rg6+- h4 (42...Rc4 43.Ne6 Kc8 44.Rb2+-) 43.Rd5! (43.Kh4?! Rc4 44.Rg7 Kd6+=) 43...hg3 (43...cd5 44.Nb5) 44.Rg3 (44.Ne6 Kc8 45.Rg8 Kb7 46.Rg7 Ka6 47.Nc7 Kb7 48.Nb5 Rf7 49.Rf7 Kc8 50.Na7 Kb8 51.Rd8) 44...Rg3-+ 45.Kg3 cd5 46.h4 Kd6 47.Nb5? (47.h5 a6-+) 47...Kc6 (47...Kc5!? 48.Nc7-+) 48.Na7 (48.Nd4 Kc5 49.Nf3 d4-+) 48...Kc5 49.Nc8 Ra1 (49...d4 50.Kg2 Rf4 51.a6-+) 50.h5 (50.Nb6 d4 51.Nd7 Kc4-+) 50...Ra5 (50...d4 51.h6 d3 52.h7-+) 51.h6 (51.Ne7 d4 52.h6 Kd6 53.Nc8 Kc7-+) 51...Ra8 52.Ne7 Rh8 (better is 52...d4 53.Nf5 d3 54.Ne3-+) 53.Nf5 d4 54.Kg4?? (54.Kf4 Kc4 55.Nd6 Kd5 56.Nf5-+) 54...d3 55.Kg5 d2 56.Ne3 Kd4 57.Nd1 Kd3 58.Kg6 Ke2 (better is 58...Rg8 59.Kf5-+) 59.Nc3?! (59.Nb2-+) 59...Ke1 60.h7 Rc8 61.Kg7 (61.Kg5 Rc5 (61...Rc3?! 62.h8Q Rg3 63.Kf4 Rf3 64.Kf3 d1Q 65.Ke4=) 62.Kh4 Rc4 63.Kg5 Rc8-+ (63...Rc3?! 64.h8Q Rg3 65.Kf4 Rf3 66.Kf3 d1Q 67.Ke4=)) 61...Rc3 62.h8Q Rc7 (better is 62...d1Q 63.Qh4 Ke2 64.Qg4 Rf3 65.Qe6 Kf1 66.Qc4 Qe2 67.Qc1 Kg2-+) 63.Kf6= Rc6 64.Kf7 Rc7 65.Kg6 Rc6 66.Kf7 Rc7 67.Kg6 d1Q 68.Qe5 Qe2 69.Qc7 ½–½. Trkn – wince, itsyourturn.com, 2000.

9.Ng3 Nc6 10.Nf5 Qf8 11.h4 Na5 12.Be2 d5 13.hg5+= (13.a3 Bc5 14.hg5 de4 15.Nh4 Rg8 16.gf6 Qf6 17.f3+=) 13...de4 (13...Kd8 14.gf6 Qf6 15.Ne3 Bc5 16.ed5 Bd4 17.Nc3+/-) 14.Nh4 (14.Ng3 e3 15.fe3 Kd8 16.gf6 Qf6 17.Bd3+/-; 14.Ne3 Be6 15.gf6 Qf6 16.a3 Bc5 17.Nc3+=) 14...Rg8 15.gf6 (15.Qh7 Nh4 16.Rh4 Bd6 17.gf6+=) 15...Bd7? (better is 15...Qf6 16.Ng6 hg6 17.Qe5 Qe5 18.Be5 Nc6 19.Bc7 Nd4+/-) 16.Ng6+- hg6 17.Qe5 Kd8 18.Qe4 (18.a3 Bc5 19.f7 Bf2 20.Kf2 Qf7 21.Qf6 Qf6 22.Bf6 Kc8+-) 18...Bd6 (18...Nc6 19.Rh7 Rh8 20.Qg6 Rh7 21.Qh7+-) 19.Qd5 Nc6 20.f7 Rg7 21.Bf6 (21.Bg7 Qg7 22.c3 Kc8+-) 21...Kc8 22.Bg7 Qg7 23.Nc3 Nd4 (23...Nd8 24.Rb1 Be6 25.Qe4 Bf7 26.Bg4 Kb8 27.Rb7 Nb7 28.Bf3+-) 24.Kd1 (24.Qe4 Ne6 25.Bg4 Qf7 26.Be6 Be6 27.Rh8 Bf8 28.Rf8 Qf8 29.Qe6 Kb8+-) 24...Be6 25.Qe4 Kd7 26.Qb7 Rh8 27.Bb5 Ke7 28.Re1 Kf7 (28...Qf7 29.Bc4 Qf2 30.Qe4+- (30.Qa7?? Qe1 31.Ke1 Bg3 32.Kd1 Rh1 33.Bf1 Rf1)) 29.Rb1 Qf6 30.Ne4 Bg4 (30...Qf4+-) 31.f3 Bf3 (31...Bc8 32.Bc4 Kg7 33.Qd5+-) 32.gf3 Qf3 33.Be2 Qf4 34.Qd5 Ne6 (34...Kg7 35.Rf1 Rh5 36.Qd4 Qe5 37.Qe5 Re5 38.Nd6 cd6 39.Rb7 Kh6 40.Rh1 Kg5 41.Bd3+-) 35.Nd6 (better is 35.Rf1 Ke7 36.Rf4 Bf4+-) 35...cd6 (35...Qd6 36.Bc4 Qd5 37.Bd5+-) 36.Rf1 (36.Rf1 Kf6 37.Rf4 Nf4 38.Qd4 Kf5 39.Qh8 Ne2 40.Qf8 Ke4 41.Rb4 Kd5 42.Qf7 Ke5 43.Ke2 d5 44.d4 Kd6 45.Rb7 g5 46.Qf6) 1–0. Buczinski,Henryk – Matura,Pawel, Chorzow Poland, 1966.

9.Ng3 Nc6 10.Nf5 Qf8 11.h4 Na5 12.Be2 Kd8 A) 13.a3 Nf4 14.Qf3 (14.Qg4 Bc5 15.d4 h5 16.Qf3 ed4 17.Bd4+=) 14...g4 15.Qg4 Rg8 16.Qf3 Ng2 17.Kd1=; B) 13.hg5 Nf4 14.Qf3= d6 15.a3 Bc5 16.d4 Bb6 17.gf6=.

9.Ng3 Nc6 10.Nf5 Qf8 11.h4 Na5 12.Be2 gh4 A) 13.c3 Bc5 (13...Be7 14.Nh4 Rg8 15.Nf5 Kd8 16.g3 d6 17.d4+= ) 14.Nh4 (14.d4 ed4 15.cd4 Bb4 16.Nc3 Qf7 17.Kf1= ) 14...Rg8 15.d4 Bb6 16.Nf5 Kd8 17.g3=; B) 13.a3 Bc5 14.Nh4 (14.Bc3 Nc6 15.Nh4 Nce7 16.f4 Kd8 17.fe5+= ) 14...Rg8 15.Nf5 Kd8 16.g3 Nc6 17.c3=; C) 13.Nh4 Rg8 14.Nc3 (14.c3 Bc5 15.d4 Bb6 16.Nf5 Kd8 17.g3= ; 14.g3 Qf7 15.Nf5 Rh8 16.Nc3 Bc3 17.Bc3=; 14.Nf3 Kd8 15.g3 Nc6 16.c3 Be7 17.d4=; 14.a3 Bc5 15.Nf5 Kd8 16.g3 Nc6 17.c3=) 14...c6 15.a3 Be7 16.Nf5 d6 17.d4=.

8.h4 g4

9.a3 Bc5 10.Ne2 d6 11.d4 Bb6 A) 12.Nd2 Bd7 (12...Nc6 13.d5 Nce7 14.f4 gf3 15.Qf3 Rf8+=; 12...Qe7 13.Rb1 Bd7 14.d5 Kd8 15.Bc1 Rf8+=; 12...Qd7 13.Qh6 ed4 14.Nd4 Qe7 15.Rb1 Rf8+=) 13.de5 fe5 14.Ng3 Rf8 15.Nf5 Qf6+=; B) 12.0-0 Qe7 (12...Nc6 13.Rd1 g3 14.Ng3 Nd4 15.Nf5 Nc2+=; 12...a6 13.Qh6 ed4 14.Bd4 Bd4 15.Nd4 Qe7+=) 13.Nd2 Nc6 14.d5 Na5 15.Bd3 f5-/+; C) 12.Bb5 Bd7 (12...c6 13.Bd3 0-0 14.0-0 ed4 15.Nd2 f5+=; 12...Nc6 13.d5 a6 14.Ba4 Ba5 15.Bc3 b5=) 13.Bd7 Qd7 14.Nd2 Nc6 15.c3 0-0+=; D) 12.Qh6 ed4 (12...Qe7 13.Nbc3 c6 14.0-0-0 Nd7 15.Kb1 Rb8+=; 12...f5 13.Qg7 Qd7 14.Qd7 Bd7 15.h5 Nf4=) 13.Nd4 Qe7 14.Nd2 g3 15.f3 Bd4+=.

9.a3 Bc5 10.Ne2 d6 11.d4 ed4 12.Bd4 Bd4 13.Nd4 Qe7 14.Nc3 Qe5 15.Qe5 fe5+=.

9.a3 Bc5 10.Ne2 d6 11.f4 gf3 (worse is 11...ef4 12.Nf4 Qe7 13.e5+/- Rf8 14.Nd5 Qg7 15.ef6 Qd7+-) 12.gf3 (12.gf3 Qe7 (12...c6 13.f4 d5 14.ed5 cd5 15.Bd3 f5=; 12...Nc6 13.f4 Na5 14.Ba2 Kd7 15.f5 Ne7=) 13.Nbc3 c6 14.f4 b5 15.Bb3 ef4+=; 12.Qf3 Rf8 (12...Nc6 13.h5 Nf8 14.Rf1 Be6 15.Bd5 Rg8=; 12...h5 13.Qg3 Ne7 14.Rf1 Rf8 15.Qg7 c6=) 13.Ng3 c6 14.Nf5 b5 15.Ng7 Ke7+=) 12...Ke7 (12...Qe7 13.Nbc3+= c6 14.f4 b5 15.Bb3 ef4+=; 12...c6 13.f4 d5 14.ed5 cd5 15.Bb3 ef4=) 13.f4= (13.d4 ed4 14.Bd4 Bd4 15.Nd4 c6+=) 13...Qf8 (13...Qe8!?= 14.f5 Nf8 15.Qh6 Nfd7=; 13...c6 14.Bb3 Qe8 15.fe5 de5=) 14.f5+= Nf4 15.Nf4 ef4 16.d4 Bb6 17.Nc3 c6 18.Ne2 Bd7 (18...Qe8 19.Qg4 Kd8 20.Qf4+=) 19.Nf4 Be8 20.Qe2 1–0. Kucharkowski,Jens – Ginella,Karl, corr DDR–I–245, 1983.

9.Nc3 c6 10.Nge2 (10.Qg4? d5 11.Qe2 Nf4-+) 10...b5 11.Bb3 a5 12.a4 (worse 12.Qg4 d5 13.Qg3 a4 14.Nd5 Bd2 15.Kd2 ab3=+) 12...Bc3 13.dc3 (13.Nc3 b4 14.Ne2 d6=) 13...d6 (13...ba4 14.Bc4=+) 14.ab5 (14.Ba3 Na6 15.ab5 cb5=+) 14...cb5=+ 15.0-0 (15.Bd5 Ra7=+) 15...Qe7 (15...f5 16.ef5 Qh4 17.fg6 Qh5 18.Bf7 Ke7 19.g7=) 16.Rfd1 (16.c4 b4=+) 16...Be6 (16...a4!?=+) 17.Ng3= a4? (better 17...Kd8=) 18.Be6 (18.Nf5 Bf5 19.ef5 g3 20.fg6 gf2 21.Kf2 Qa7 22.Kf1 Qg7+-) 18...Qe6 19.Nf5 0-0? (better 19...Ra7 20.Qg4 Nf4 21.Nd6 Kf8+-) 20.Qg4 (20.Nd6?! Nf4 21.Qh6 Na6=) 20...Kh8 21.h5 (21.Rd6?! Qf7+-) 21...Rg8 22.hg6 Rg6 23.Qh3 Qc4 (23...Na6+-) 24.Rd6 Nc6 25.Rd7 Qg8 26.Rad1 (better 26.c4 Nb8 27.Rd6 Qe8+-) 26...Rd8 (26...Re8+-) 27.Rd8 Nd8 28.Ne7 (28.Ne7 Rg2 29.Kh1+-) 1–0. Pierre – GuestMigen, internet, 2020.

9.Ne2 c6 10.a3 Ba5 A) 11.f4 gf3 12.Qf3 Rf8 13.Qh5 Rh8 14.Qf3 d6+= 15.h5+=; B) 11.f3 B1) 11...b5 12.Bb3 (12.Ba2 gf3 13.gf3 Qe7 14.f4 ef4 15.Qf5+=) 12...gf3 13.Qf3 Rf8 14.Qh5 Qe7= 15.a4=; B2) 11...d5 12.ed5 cd5 13.Bd3 gf3 14.Bg6 Ke7= 15.gf3=; C) 11.Ng3 d5 12.ed5 (12.Be2 Qb6 13.Ra2 Qc5 14.Bc3 Bc3 15.Nc3+= ; 12.Bb3 Na6 13.ed5 cd5 14.Bc3 Bb6 15.f3-/+ ) 12...cd5 13.Bd3 e4 14.Bb5 Nc6 15.Nf5+=; D) 11.Nbc3 D1) 11...d6 12.Ng3 (12.f4 gf3 13.Qf3 b5 14.h5 Ne7 15.Bb3+= ; 12.f3 b5 13.Bb3 gf3 14.Qf3 h5 15.Rf1-/+ ; 12.a4 a6 13.f4 gf3 14.Qf3 h5 15.Qg3+=; 12.Rb1 b5 13.Bb3 Na6 14.f4 gf3 15.gf3+=) 12...Bc3 (12...d5 13.ed5 Bc3 14.Bc3 cd5 15.Bd3=) 13.Bc3 d5 14.Be2 d4= (14...Qd7 15.d4=) 15.Bb2=; D2) 11...a6 D21) 12.f3 b5 13.Bb3 gf3 14.Qf3 Rf8 15.Qh5=; D22) 12.f4 gf3 13.Qf3 Rf8 (13...d6 14.h5 Nf8= 15.Rf1=) 14.Qh5 Rh8 15.Qf3+=; D23) 12.Bb3 d6 13.Ng3 Nd7 14.Be6 d5 15.Bg4=; D3) 11...b6 12.Ng3 (12.f4 gf3 13.Qf3 Rf8 14.Qh5 Rh8= 15.Qf3+=; 12.f3 gf3 13.Qf3 Rf8 14.Qh5 Rh8 15.Qf3=) 12...d5 13.ed5 Bc3 14.Bc3 cd5 15.Bd3=; D4) 11...b5 12.Bb3 Na6 13.Qg4 d5 14.Qf3 d4= 15.Nb1=.

9.Ne2 c6 10.a3 Bf8 11.d4 A) 11...b5 12.Bb3 (12.Bd3 d6 13.Ng3 Ke7 14.Nf5 Bf5 15.ef5=; 12.Ba2 d6 13.Ng3 ed4 14.Bd4 Qe7 15.Nd2=) 12...d6 13.Ng3 Bd7 (13...ed4 14.Bd4 d5 15.0-0+=) 14.Nf5 Qc8= 15.Qg4=; B) 11...d6 12.Nd2 Bg7 13.Rb1 (13.Ng3 d5 14.Nf5 0-0= 15.Bb3=) 13...Qe7 14.Ng3 d5 15.ed5=.

9.Ne2 c6 10.Nbc3 Bc3 (10...Bc5 11.Bb3 d6 (11...b5 12.Qg4 d6 13.Be6 Na6 14.h5 Be6+=) 12.Ng3 Bd4 13.Nf5 Na6 14.Ng7 Ke7=; 10...b5 11.Bb3 a5 12.a4 ba4 13.Ba4 Bc5 14.Qg4 Qb6=) 11.Nc3 (11.Bc3 b5 12.Bd3 d6 13.a4 ba4 14.Ng3 Kf8=) 11...d6 12.f4 (12.Bb3 Na6 13.Rd1 Nc5 14.d4 ed4+=) 12...ef4 13.0-0-0 (13.Ne2 Qe7 14.d3 Kd8+=) 13...Qe7 14.Rhe1 (14.Ne2 Kd8+=) 14...Kd8 15.d4 Kc7 16.e5 d5 17.Bd5 fe5 18.Be4 Qg7 19.Bg6 (better is 19.de5!? Be6 20.Ne2+=) 19...hg6+= 20.Qg5?? (better is 20.Qe5 Qe5 21.de5+=) 20...Rh5-+ 21.de5 Rg5 22.hg5 Be6 23.Rd6 Qf7 24.Ne4 f3 25.gf3 Qf4 26.Kb1 gf3 (better is 26...Bf5!? 27.Rh1 gf3 28.Nf6-+) 27.Re6 f2 28.Nf2 Qf2 29.Rd1 Qf7 (better is 29...Qf5!? 30.Re7 Kb6 31.Rd3-+) 30.Rf6 Qg8 31.e6 Na6 32.Rd7 Kb6 33.Rdf7 (33.Bd4 c5 34.e7 Ka5 35.Bc3 Nb4 36.Bb4 cb4-+) 33...Re8 (33...Rd8 34.Kc1 Nc5 35.e7-/+) 34.e7 (34.Bd4 c5 35.Be5 Kc6-+) 34...Nb4 35.Rf3 Re7! 36.Re7 Qa2 37.Kc1 Qc4 38.c3 Qb3 39.cb4 Qf3 40.Bf6 Qa3 41.Kc2 Qb4 42.Re5 c5 0–1. Brinkmann,Wilhelm – Goebgens, corr FRG–chT, 1986.

9.Ne2 c6 10.f4 gf3 11.Qf3 b5 (11...Rf8 12.c3 Ba5 13.Qh5 Rh8 14.Qf3 d6+=) 12.Bb3 Rf8 13.h5 Ne7 14.a4 ba4+=.

9.Ne2 Qe7 10.Qg4 Nc6 11.Qf3 Na5 A) 12.Bb3 A1) 12...d6 13.c3 (13.h5 Nf8 14.Nbc3 c6 15.a3 Nb3 16.cb3= ; 13.Nbc3 c6 14.a3 Bc3 15.Qc3 Nb3 16.cb3=) 13...Nb3 14.ab3 Bc5 15.d4 (15.h5 Nf8 16.d4=) 15...Bb6+= 16.Nd2=; A2) 12...Nb3 13.ab3 Rg8 (13...d6 14.h5 Nf8 15.Nbc3 c6 16.Na2= ) 14.Nbc3 c6 15.Na4 (15.Na2 Bc5 16.Ng3=) 15...Qd8+= 16.Qh5=; B) 12.Bb5 B1) 12...a6 13.Bd3 B11) 13...Qe6 14.Nbc3 Ne7 B111) 15.Ng3 Qf7+= (15...Rf8 16.Nf5+= ) 16.Be2+=; B112) 15.a3 Bc5 16.Nf4+=; B12) 13...Nc6 14.h5 Nf8 15.a3 Ba5 16.Nbc3+=; B2) 12...c6 B21) 13.Ba4 d6 14.h5 Nf8 15.a3 Bc5 16.Bc3=; B22) 13.h5 Nf8 14.a3 Bc5 15.Bc3 Bb6 16.Ng3=; B23) 13.a3 Bc5 14.h5 (14.Bd3 d6 15.h5 Nf8 16.Bc3= ) 14...Nf8 15.Bc3 Bb6= 16.Ng3=; B24) 13.Bd3 d6 14.Nbc3 Be6 15.a3 Bc5 16.Na4+=; C) 12.Bd3 C1) 12...d6 13.a3 (13.Nbc3 c6 14.a3 Bc5 15.Na4 Be6+= 16.h5+=) 13...Bc5 14.Nbc3 Be6 15.h5 Nf8 16.Nd5+= ; C2) 12...c6 13.Nbc3 b5 14.h5 Nf8 15.Bb5 cb5 16.Nd5+= ; C3) 12...Bc5 13.Nbc3 (13.h5 Nf8 14.Nbc3 c6 15.Na4 Bd6 16.Ng3+= ) 13...Qd6 14.Nd5 Rf8 15.Ng3 Ne7 16.Bc3+=; C4) 12...Rg8 13.Nbc3 (13.h5 Nf8 14.a3 Bc5 15.Nbc3 c6 16.Na4+= ; 13.a3 Bc5 14.Nbc3 c6 15.Na4 Bd6 16.h5+= ) 13...c6 14.a3 Bc5 15.Na4 Bd6 16.h5+=; C5) 12...Nc6 13.Nbc3 (13.a3 Ba5 14.h5 Nf8 15.Bc4 Ne6+= 16.Nbc3+=; 13.h5 Nf8 14.a3 Ba5 15.Bc4 Ne6 16.Nbc3+=) 13...Bc3 14.Bc3 d6 15.Bb5 h5 16.Rb1+=.

9.Ne2 Qe7 10.Qg4 Nc6 11.Qf3 d6 12.Nbc3 (12.a3 Ba5 13.h5 Nf8 14.Nbc3+=) 12...Bc3 13.Bc3 (worse is 13.dc3 Be6 14.Bd5 Qf7=; 13.Qc3 Qg7 14.h5+=) 13...Be6 14.Bd5 Rf8 (14...h5 15.Rb1 Bd5 16.ed5+=) 15.Rb1 Bd5 16.ed5 Nd8 17.h5 Nh8 18.0-0 (18.Ng3 Qd7+=) 18...Nhf7 19.Ng3 Ng5 20.Qd3 Qf7?? (better is 20...Rg8+=) 21.f4+- ef4 (21...Nh3 22.gh3 Qg7 23.Kf2+-) 22.Rfe1 Nge6 (22...Nde6 23.de6 (23.Re6?! Ne6 24.de6 Qe6+/-) 23...Ne6 24.Qd5+-) 23.Nf5 (23.Re6?! Ne6 24.de6 Qe6+/-; worse is 23.de6 Ne6 24.Qd5 0-0-0 25.Qb7 Kd7 26.Qb5 Kc8+-) 23...Qh5 (23...Kd7 24.de6 Ne6 25.Rb7 Kd8+-) 24.Ng7 (24.Ng7 Ke7 25.Nh5+-) 1–0. pierre – petrit5, internet, 2008.

9.Ne2 Qe7 10.Qg4 Nc6 11.Qh5 d6 (11...Na5 12.Bd3 d6 (12...Bc5 13.Nbc3 d6 14.f4 Kd8 15.g4 Qg7+=; 12...Qg7 13.Nbc3 c6 14.a3 Bc5 15.Na4 Bd6+=; 12...Qf7 13.Nbc3 d6 14.Nd5 Bc5 15.Bc3 c6+=) 13.Nbc3 c6 14.f4 ef4 15.e5 f5+=) 12.Nbc3 (12.Nec3 Qg7 (12...Qd7 13.Nd5 Qg7 14.Qf3 Nf4 15.Bb5 Bc5+/-; 12...Rf8 13.Nd5 Qg7 14.Qe2 Ba5 15.h5 Nge7=; 12...Bc3 13.Nc3 Na5 14.Bd3 Qf7 15.Qf3 Nf4=; 12...Be6 13.Nd5 Bd5 14.Bd5 Kd8 15.g3 Bc5=) 13.Nd5 Rf8 14.Qf3 f5 15.h5 fe4=) 12...Be6 (12...Bc3 13.Nc3 Na5 14.Bd3 Qf7 15.Qf3 Nf4=) 13.Nd5 Bd5 14.Bd5 Na5 (14...Bc5 15.a3 Nd8+=) 15.a3 (15.c3 Bc5+=) 15...Bc5 16.Rb1 c6 17.Ba2 0-0-0 (17...d5 18.ed5 cd5 19.Bd5 Bf2 20.Kd1+=) 18.Qg4 Kb8 19.Bc3 Bb6 20.h5 Nf8 21.Bb4 Nd7 22.Qf3 Nc5 23.Ng3 d5 24.h6 (24.ed5!? Qe8 25.d3+-) 24...Qf7 25.Qc3 Na4 26.Qd3 Nc4 27.Qb3 Nc5 28.Qf3 de4?? (28...Na5=) 29.Ne4?? (better is 29.Qe2 Rd4 30.Nf5 Nd3 31.cd3 ed3 32.Qf3+-) 29...Ne4+= 30.d3 Ng5 (better is 30...Nf2!? 31.Bc4 e4 32.Qf4 Qc7 33.Qc7 Kc7-+) 31.Qg3 Qc7 32.Bc4 (32.dc4? c5 33.Rh4 cb4 34.ab4 Qd7-+) 32...e4 33.Qc7 Kc7 34.Be7 (better is 34.0-0!? ed3 35.cd3=) 34...Rde8-/+ 35.Bf6 ed3 36.Kd1 Ne4 37.Bh8 Nf2 38.Kc1 Nh1 (38...Rh8 39.Re1+=) 39.Bc3 Be3 40.Kb2 Nf2 41.cd3 b5 42.Bf7 Rf8 (42...Nd3 43.Kc2 Rd8 44.Rf1+=) 43.Bh5 Nd3 44.Kc2 Nf4 45.Bf3 Kb6 46.Rd1 Ng2 (better is 46...Rf7!?=) 47.Bg2+/- Rf2 48.Kd3 Bc5? (better is 48...Rg2!? 49.Ke3 Rg6+/-) 49.Be4+- Rh2 50.Rh1 Rh1 51.Bh1 Ba3 52.Be4 b4 53.Bg7 (53.Bh7 bc3 54.Bg6 Bf8+=) 53...Bc1 54.Bh7 a5 55.Kc4 1–0. Merino Rey – Martinez Sanz, corr E gr I, 1985.

9.f3 Bc5 10.fg4 c6 11.Nf3 d5 12.ed5 cd5 13.Bd3=.

9.f3 c6 10.fg4 b5 11.Bb3 a5 12.c3 Be7 13.Nf3+=.

9.f3 d5 10.Bd5= c6 11.Bb3 Qe7 (11...Qd7!?=) 12.fg4+/- Kd8 13.g5 Rf8 14.gf6 (14.Ne2 f5 15.Nbc3 Na6+=) 14...Rf6 (14...Qf6 15.Qg5+=) 15.Nf3 (15.Ne2 Qc5 16.Kd1 Qf2=) 15...Bd6 (15...Rf4 16.Bg8 Re4 17.Kd1=) 16.Nc3 (better is 16.g3!?+/-) 16...Nf4= 17.Qg5 h6 (17...Rg6 18.Qe7 Ke7 19.0-0-0=) 18.Qg8+= Rf8 (18...Qe8 19.Qe8 Ke8 20.Rh2+=) 19.Qg3 Be6 20.Rg1 (20.Qh2!?+=) 20...Rg8 (20...Bc5 21.d4 Bb3 A) worse is 22.cb3 Nd3 (worse is 22...ed4 23.0-0-0=; 22...Bd4?! 23.Rd1=) 23.Kd2 ed4 24.Kd3 dc3 25.Bc3 Bg1 26.Rg1 Nd7+=; B) 22.ab3 ed4 23.Rd1=) 21.Qf2 (21.Qh2 Bc5 22.d4 Bb3 23.dc5 Bc4+= (worse is 23...Bc2 24.Kd2+-)) 21...Bb3+= 22.ab3 Bc5 Attacking the backward pawn on g2 23.d4 ed4 24.Nd4 Bd4? (better is 24...Rg2!? 25.Rg2 Ng2 26.Ke2 Nh4=) 25.Qd4+/- Kc7 (25...Kc8 26.g3 (26.Ra7?! Qh4 27.g3 Rg3 28.Rg3 Qg3 29.Kd2 Ra7 30.Qa7 Ng2=) 26...Rd8 27.Qf2+/-) 26.0-0-0 (26.g3 Ne6 27.Qe3 Nc5+-) 26...Na6 (26...Rg2 27.Rg2 Ng2 28.Rg1 Qh4 29.Rg2 Qf4 30.Rd2 Qf1 31.Rd1 Qf4 32.Kb1+-) 27.Na4?? (better is 27.Nb5! Kc8 28.Nd6 Kc7 29.Qe3+-) 27...Ne2-+ (27...Ne2 28.Kb1 Nd4 29.Rd4 Qh4-+) 0–1. Erich,Juergen – Pollok,Joerg, Schleswig Holstein–ch cand–B, 1996.

9.Qg4? d5 10.Bb5 c6-+.

9.Ne2 Nc6

10.a3 Ba5 11.Nbc3 Bc3 12.Bc3 Qe7 13.0-0 (13.Qg4? d5 14.Qf3 dc4-+) 13...b6 14.d4 d6 15.Rab1 Bd7 16.g3 (16.d5 Nd8=) 16...0-0-0 (better is 16...ed4 17.Nd4 A) 17...Qe4?? 18.Rfe1 Qe1 19.Re1 (19.Be1?! Nd4 20.Bd5 0-0-0+=) 19...Nce5 20.Nb5+-; B) 17...Qe5 18.Qe5 fe5-/+) 17.Ba6 Kb8 18.d5 Nd4 19.Rb2 (better is 19.Nd4!? ed4 20.Bd4+=) 19...Rdf8 20.Qh6 (20.Nd4 ed4 21.Bd4 Qe4-/+) 20...Bc8 (20...Nf3 21.Kg2 f5 22.h5=) 21.Bd3 (21.Nd4 ed4 22.Bc8 dc3-+ (22...Kc8?! 23.Bd4 Qe4 24.Rd1-/+; 22...Rc8?! 23.Bd4 Qe4 24.Bf6=)) 21...Nf3-/+ 22.Kg2 f5 23.ef5 Bf5 24.Rh1? (24.Bf5!? Rf5 25.h5-/+) 24...Bd3-+ 25.cd3 Qf7 26.Qe3 Qd5 27.Qe4 Qf7 (27...Qe4 28.de4 a6 29.h5-+) 28.Nc1 (28.Qg4 Rhg8 29.Qe4 Ngh4 30.Rh4 Nh4 31.Qh4 Qf2 32.Kh1 Qf3 33.Kh2 Qf1-+) 28...d5 (28...Qf5 29.Qc6-+) 29.Qe2 (29.Qg4 Rhg8 30.Qb4 Nf4 31.Kf1 d4 32.gf4 dc3 33.Qc3 Qf4-+) 29...Nfh4 (29...Qf6!? 30.h5 d4 31.Bb4-+) 30.Rh4 Qf3 (30...Nh4 31.gh4 Qf4 32.Qe3-+) 31.Qf3 Nh4 (worse is 31...Rf3 32.Rg4 Rhf8 33.Rg5+/-; 31...gf3?! 32.Kh3 Nh4 33.Kh4-+) 32.gh4 gf3 (32...Rf3?! 33.Be5 Re8 34.Re2-/+) 33.Kh3 d4 34.Bd2 h6 35.Nb3 Kc8 36.Bc1 Rfg8 37.Nd2 Rg1 38.Rc2 Rf8 39.Ne4 Rfg8 The mate threat is Rh1 40.Ng3 R8g3 (40...Rd1 41.Bh6 Rd3 42.Bc1-+) 41.fg3 f2! 42.Rf2 Theme: Deflection from c1 42...Rc1 43.g4 e4 44.g5?! (44.de4 Rc3 45.Kg2 Ra3-+) 44...e3 (44...Rc3 45.Rf8 Kb7 46.Kg4 ed3 47.a4-+) 45.Rh2? (better is 45.Rf8 Kd7 46.Rf7 Ke8 47.Rf4 hg5 48.hg5-+) 45...hg5 46.h5 (46.hg5 Ra1 47.g6 Ra3+-) 46...Rc3 47.h6 Rd3 48.Re2 (48.Kg3 e2 49.Kf2 Ra3 50.h7 e1Q 51.Ke1 Ra1 52.Kf2 Ra2 53.Kg3 Rh2 54.Kh2+-) 48...Rd1 (48...Ra3 49.h7 Kd7+/-) 49.h7-/+ d3?? (49...Rh1 50.Rh2 g4 51.Kg3 Rh2 52.Kh2+-) 50.h8Q Kb7 51.Qf6 (better is 51.Rh2!?+/-) 51...g4= 52.Kg4 Rg1 (52...de2? 53.Qf3 c6 54.Qe2 Rd4 55.Kf3+-) 53.Kh3 d2 54.Qf3 c6 55.Qf7 Ka6 56.Qc4 Kb7 57.Re3 The mate threat is Re7 57...Re1?? (57...d1Q 58.Re7 Qd7 59.Rd7 Kb8 60.Qf4 Kc8 61.Qc7) 58.Rd3 Threatening mate... how? 58...d1Q 59.Rd1 Rd1 60.a4 Rd5 61.Kg4 Ra5 62.Kf4 b5 63.ab5 cb5 64.Qd5 Kb6 65.Qd8 Ka6 66.Ke3 Ra4 67.Kd3 Rc4 68.Qd7 Kb6 69.Qd6 Kb7 70.Kd2 Rc6 71.Qd7 Kb6 72.Qd8 Kb7 73.Qd7?? (better is 73.Qd5 a6 74.Kd3+-) 73...Kb6= ½–½. Springer – Gross,Wilhelm, T50E, 1988.

10.a3 Ba5 11.f4 gf3 (worse is 11...ef4 12.Nf4 Qe7 13.0-0+/- (worse is 13.Qg4 Qe4 14.Qe2 Qe2 15.Ne2 Nce5+=; worse is 13.Ng6 Qe4 14.Kd1 Qg6 15.Re1 Kf8=) 13...Bb6 14.Kh1+/-) 12.gf3 (12.Qf3 Rf8 13.Ng3 Qe7 14.Nf5+=) 12...Qe7 (12...Bb6 13.f4 ef4 14.Nf4=) 13.Rg1 (13.Nbc3 Qc5 14.Bb3+=) 13...Qg7 (13...Rf8!?-/+ 14.Nbc3-/+) 14.f4= ef4 15.Nf4 Nce5 16.Bb3 d6 17.Ne6 Qe7?? (17...Be6!? 18.Be6 Kd8=) 18.Be5+= Be6 19.Rg6 Bf7? (better is 19...Bb3 20.cb3 hg6 21.Qh8 Kd7 22.Qa8 Qe5 23.Qb7 Qa1 24.Qb5 Ke7 25.Qa5 Qb1 26.Kf2 Qe4 27.Qc7 Ke6 28.Qa7 Qh4 29.Ke2 Qg4 30.Kd3 Qf5 31.Kc3 g5=) 20.Bf7+- Qf7 21.Bf6 Rf8 22.Rg5 (22.Qa5?! Qg6 23.e5 Qe4 24.Kd1 Qh1 25.Ke2 Qe4 26.Kd1 Qh1 27.Ke2 Qe4 28.Kd1=) 22...Qh5 23.Rh5 Rf6 24.Ra5 Rf4 25.Rh5 Re4 26.Kd1 Re7 27.Nc3 0-0-0 28.Kc1 c6 29.Kb2 b5 30.Rf1 a5 31.Rf4 Kc7 (31...d5 32.Rh6 Kb7 33.d4+-) 32.Rh6 a4 33.d3 c5 (33...Kb6+-) 34.Nd5 (34.Nd5 Kd7 35.Ne7 Ke7 36.Rh7 Ke6 37.Rb7+-) 1–0. Chwojnicki,Lucjan – Kozicz,A, corr Poland, 1983.

10.a3= Ba5 11.f4 gf3 12.Qf3 d6+=.

10.a3= Ba5 11.f4 ef4 12.Nf4+= (12.Qg4?? d5 13.Qf3 dc4 14.Nf4 Nf4 15.Qf4 Nd4 16.Bd4 Qd4-+) 12...Qe7 13.0-0 Bb6 (13...Qe4 14.Bd3 Qe7 15.Ng6 Bb6 16.Kh2+-) 14.Kh1 Qc5 15.Bd5 Nce7 16.Ng6 Ng6 17.Bf6 (17.Qg4 Qb5 18.Bf7 Kf7 19.Rf6 Ke8 20.Rb6 ab6 (20...Qb6?! 21.Bh8 d5 22.Qh5=; 20...cb6?! 21.Bh8 Qf1 22.Kh2 Nh8 23.Qg8 Qf8 24.Qh7-+) 21.Bh8 d6=) 17...Rf8 18.Nc3 (18.Qh7 Nf4 19.d4 Qd6+-) 18...c6 (18...Qd6 19.e5 Qc5+/-) 19.Qh7+/- Ne7 20.d4 (20.d4 Nd5 21.Qg6 Rf7 22.dc5+-) 1–0. Brinkmann,Wilhelm – Gross,Wilhelm, BdF, 1988.

10.a3= Ba5 11.Qg4 d5 12.Qh5 dc4-+.

10.a3 Bc5 11.Nbc3 Nce7 12.f4 -+. Brinkmann.

10.a3 Bc5 11.Nf4 ef4 12.Qc5+=.

10.a3 Bc5 11.Qg4 d5 12.Qf3 dc4-+.

10.Qg4?? d5 11.Qh5 dc4-+.

9.Ne2 d6

10.a3 Bc5 11.d4 ed4 (11...Bb6 12.Nd2 Nc6 13.d5 Nce7 14.f4 gf3+=) 12.Bd4 Bd4 13.Nd4 Qe7 14.Nc3 Qe5+=.

10.a3 Bc5 11.Ng3 Na5 12.Be2 d5 13.Bg4 Bg4 14.Qg4=.

10.Nbc3 c6 A) 11.f3 Bc3 (11...b5 12.Bb3 gf3 13.Qf3 h5 14.Nb5 Bg4+=) 12.Bc3 b5 13.Bb3 gf3 14.Qf3 h5+=; B) 11.f4 gf3 12.Qf3 h5 13.Qg3 Bg4 14.Rf1 b5-/+; C) 11.a4 Bc5 12.Ba3 Ba3 13.Ra3 Qe7 14.Ra1 Kd8+=; D) 11.Rb1 b5 12.Nb5 d5 13.ed5 cb5 14.Bb5 Kf7+=; E) 11.Ng3+= Bc5 (11...Qb6 12.0-0 Ba5 13.Bb3 Kd8 14.Qh6 Nd7=) 12.Nf5 Qb6 13.0-0-0 Qb4 14.Be2 Kd8=.

10.Nbc3 Nc6 11.0-0-0 (11.Nd5 Na5 12.Bd3 Bc5+= 13.Nef4 Kf7 14.Nc7 ef4+=) 11...Bd7 (better is 11...Na5 12.Bb3 Nb3 (12...c6 13.f4 gf3 14.Qf3 Nb3-/+) 13.cb3 Be6-/+ (13...a5 14.d4 Bd7+=) 14.d4 c6-/+) 12.Nd5+= Bc5?? (12...Na5 13.Nef4 A) 13...Nc4?? 14.Ng6 hg6 15.Qh8 Kf7 16.Qh7 Ke6 17.d4+- (worse is 17.Nb4 Qg8 18.Qh6 c6+-); B) 13...Kf7+= 14.Be2 Bc5+=) 13.Rhf1?? (better is 13.Nef4! ef4 14.Nf6 Ke7 15.Nd5 Ke8 16.Bh8+-) 13...Nd4?? (better is 13...Na5 14.Bd3 c6-/+) 14.Nd4 Bd4 15.Bd4 ed4 16.f4 c6 17.f5 cd5 18.Bd5 (18.fg6 dc4 19.g7 Ke7 20.Rf6 Be6+-) 18...Qa5?? (better is 18...Ke7 19.fg6 hg6 20.Qg6 Qf8+=) 19.fg6+- Qa3 20.Kb1 Qb4 21.Ka1 0-0-0 22.g7 (22.Rf6?! hg6 23.Qg5 Rh5+/-; 22.gh7?! Qc5+-) 22...d3 (22...Rhe8 23.Qh7 d3 24.c3+-) 23.Rb1 (better is 23.c3!? Qa4 24.gh8R Rh8+-) 23...Qd2 24.Qf7 (better is 24.Bb7 Kc7 25.gh8Q (worse is 25.gh8B dc2 26.Rfc1 Rh8+-; worse is 25.gh8N dc2 26.Rfc1 Rh8+-; worse is 25.gh8R dc2 26.Rfc1 Rh8+-) 25...Qc3 26.Rb2 Rh8 27.cd3+-) 24...dc2 (better is 24...Qc3 25.Rb2 Rhg8 26.cd3 f5 27.Bb7 Kc7 28.Qc4 Qc4 29.dc4 Bc6 30.Bc6 Kc6 31.ef5 Rg7+/-) 25.Bb7 (25.Bb7 Kb8 26.Qc4 (26.gh8B?! cb1R 27.Rb1 Qc3 28.Rb2 Qc1 29.Rb1 Qc3 30.Rb2 Qc1 31.Rb1 Qc3=) 26...cb1Q 27.Rb1+-; 25.gh8Q Qc3 (25...Rh8?? 26.Bb7 Kc7 27.Rfc1+-; 25...cb1R?! 26.Kb1 Qd3 27.Kb2 Qb5 28.Kc2 Qc5 29.Kb2 Qb4 30.Ka1 Qd4 31.Kb1 Rh8 32.Qf6=) 26.Rb2 c1Q (26...Rh8 27.Rc1 Kd8 28.Rcc2+-) 27.Rc1 Qc1 (27...Rh8 28.Rc3 Kb8 29.Qd7 Rc8 30.Rc8) 28.Rb1 Qc3 (28...Rh8 29.Rc1 Bc6 30.Bc6 bc6 31.Rc6 Kb8 32.Qc7 Ka8 33.Ra6 d5 34.Ra7) 29.Rb2 Rh8+=) 1–0. Schirmer,Michael – Beilken,C, BdF, 1984.

10.f4 gf3 11.Qf3 A) 11...Nc6 A1) 12.h5 Nf8 13.c3 Ba5 (13...Bc5 14.d4 Na5 15.Bb5=) 14.Rf1 Be6+= 15.Na3+=; A2) 12.c3 Bc5 13.d4 ed4 14.cd4 Bb4 15.Kd1+=; B) 11...Bc5 12.h5 (12.Nbc3 c6 13.h5 Nf8 14.Rf1 Nbd7 15.Ng3=) 12...Nf8 13.Rf1 Nfd7 14.Ng3 Nb6= 15.Bb3=; C) 11...Rf8 12.c3 Ba5 13.Ng3 Qd7 (13...c6 14.Nf5 b5= 15.Bb3=) 14.d3 b5 15.Bb3+=.

10.Ng3 Na5 11.Be2 (11.Bd3 d6 12.Nf5 c6 13.Qg4 Bc5 14.Bc3=) 11...d5 12.Bg4 de4 13.Bc8 Rc8 14.Ne4=.

10.Ng3 Bc5 11.Nf5 d6 12.Qg4 Na5 13.Be2 c6 14.Nc3=.

10.Ng3 c6 11.Nf5 d5 12.Bd3 (12.ed5 cd5 13.Bb5 Nc6 14.Qg4 Bc5 15.Ba3+=) 12...Qb6 13.ed5 Bc5 14.Ba3 Kd8= 15.Bc5=.

10.Ng3 Qd7 11.c3 Bc5 12.d4 ed4 13.cd4 Qa4 14.Nd2 Qc2= 15.dc5=.

10.Qg4? d5 11.Qg3 dc4-+.

10.Qh6 Qe7 11.h5 Nf8 12.0-0 Nfd7 13.d4 Nb6 14.Bb3 Nc6+=.

8.h4 gh4

9.a3 Bc5 10.Nf3 (10.Nc3 c6 11.Bb3 d6 12.Rh4 Nd7 13.Nf3 Qe7 14.Rh2+=) 10...h3 11.gh3 Ke7 12.Rg1 d6 13.d4 ed4 14.Nd4=.

9.c3 Bf8 (9...Bc5) 10.d4 Qe7 (10...c6 11.Nf3 h3 12.Nh4 hg2 13.Rg1 d5 14.Ng6+=) 11.Nd2 c6 12.Ngf3 h3 13.Qh3 Nf4 14.Qf5+=.

9.Nc3 Nc6 (9...c6 A) 10.Nge2 Bc3 (10...Bc5) 11.Nc3 b5 12.Bb3 a5 13.f4 a4 14.f5-/+; B) 10.Rh4 B1) 10...b5 11.Bb3 Bc5 12.Nf3 Qb6 13.Qg6 hg6 14.Rh8+=; B2) 10...Bc5 11.Na4+= (11.Bb3 Na6 12.Rh2 Qb6 13.Na4 Qb4 14.c4=) 11...Bf8 12.f4 ef4 13.Ne2 d5 14.Nf4+=; B3) 10...Ke7 11.Rh2 b5 12.Bb3 a5 13.a4 Bc3 14.Bc3+=) 10.Nd5= (10.Nf3 h3 11.g4 Bc3 12.Bc3 d6 13.Rh3 Kd7 14.Qh6+=) 10...b6 (10...Na5 11.Be2 Bc5+= 12.Nf3 h3 13.Rh3 c6 14.Nh4+-; 10...Bc5 11.Nf3 Rf8 12.Qh7 Nh8 13.Rh4 b5 14.Qg7+-; 10...Be7 11.Nf3 h3 12.Nh4 hg2 13.Rg1 d6 14.Ng6+-) 11.Nf3 (worse is 11.Nb4 Nb4 12.Rh4 Ke7 (12...Nc2 13.Kd1 Na1 14.Qg6 hg6 15.Rh8 Ke7 16.Rd8 Kd8 17.Ba1 Bb7+=) 13.Ba3 c5 14.Bb4+=) 11...Na5 (11...h3 12.Rh3 Rf8 13.Nh4 Nce7 14.Nb4+-) 12.Nh4 Bd2 (12...Kf7 13.Bd3 Bd2 14.Kd2 Kg7 15.Nc7 Nh4 16.Na8 Ng6+-) 13.Kd2 Nc4 14.Kc3 Nb2 (14...0-0 15.Ng6 Rf7 16.Kc4 c6+-) 15.Ng6 (15.Ng6 Nd1 16.Rad1 Qe7 17.Nh8 Kd8 18.Nf7 Ke8 19.Ne5 Kd8 20.Ne7 c6 21.Qf5 fe5 22.Nc8 Kc8 23.Qd7 Kb8 24.Qe7 a6 25.Rd8) 1–0. pcmvr (2780) – halilgulsen (2335), net–chess.com, 2008.

9.Nf3 c6?? 10.Nh4+- d5 (10...Rf8 11.Ng6 hg6 12.Qg6 Ke7+-) 11.Ng6 hg6 12.Qh8 Kf7 (12...Bf8 13.Ba3 Nd7+-) 13.Qd8 (13.Qd8 Bd7 14.ed5 Bf8 15.Rh8 Be8 16.dc6 Kg7 17.Qd5 Bf7 18.Qf7 Kh8 19.Qg8) 1-0. carlos78 (2180) - lindogatito (1965), Rated Blitz game, lichess.org, 2015.

9.Nf3 h3 10.gh3 Nc6 (10...Ke7 11.Rg1 Nc6 12.Nh4 d5 13.Bd5 Nf4 14.Nf5=) 11.Nh4 Nce7 12.Rg1 Rf8 13.Nc3 c6 14.Qh7=.

9.Nf3 h3 10.Nh4 (10.Qh3?? d5 11.Qh5 dc4-+; 10.gh3 Ke7 11.Nh4 d5 12.Bd5 Nf4 13.Qf7 Kd6 14.a3+=) 10...hg2 11.Rg1 Rf8 (11...Ke7 12.Nf5 Kf8 A) 13.Rg2 d5 14.Qh6 Ke8 15.Rg6 Bf5 (worse is 15...dc4 16.Rf6 Bf5 17.Qh5 Bg6 18.Qe5 Be7 19.Rg6 hg6 20.Qh8 Bf8 21.Qg8+/-) 16.Bb5 c6 17.ef5 cb5 (17...hg6? 18.Qh8 Kd7 19.Qd8 Kd8 20.fg6+-) 18.Rf6 Rg8 19.Be5 Rg1 20.Ke2 Be7+-; B) 13.Nh4 Qe8+=) 12.Rg2+= d6 (12...d5 13.Ng6 hg6+=) 13.Ng6 hg6 14.Rg6 (14.Qg6?! Kd7=) 14...Kd7 15.Bb5 Ke6 16.f4 c5 (16...Nc6 17.f5 Kd7 18.Rg7 Qe7+-) 17.f5 (17.f5 Ke7 18.Rg7 Rf7 19.Qf7) 1–0. pierred (2645) – halilgulsen (2335), net–chess.com, 2008.

7.Qh6 Ng6

8.Bb5! Sokolski.

8.Qg7 Qe7 9.Qe7 Be7 A) 10.Nc3 c6 (10...Nf4 11.g3 Ne6 12.Nd5 c6 13.Ne7 Ke7+=; 10...d6 11.d4 c6 12.Rd1 f5 13.de5 Ne5-/+) 11.Nge2 d6 12.Ng3 Nf4 13.0-0 Nd7-/+; B) 10.Ne2 Nc6 (10...Bc5 11.Nbc3 c6 12.Na4 Be7 13.Nac3 d6+=; 10...d6 11.d4 f5 12.Nbc3 c6 13.de5 Ne5-/+; 10...c6 11.d4 d6 12.Nd2 f5 13.de5 Ne5+=) 11.Nbc3 Na5 12.Bd3 c6 13.0-0 b5-/+.

8.Qg7 Qe7 9.Qe7 Ne7 10.Ne2 (10.a3 Ba5 (10...Bc5 11.Ne2 Nbc6 12.Nbc3 a6 13.Rb1 d6-/+) 11.Ne2 d6 12.Ng3 f5 13.ef5 Bf5-/+; 10.c3 Ba5 11.d3 c6 12.Bb3 d5 13.Ba3 Be6-/+; 10.Nc3 Nbc6 (10...d6 11.a3 Bc3 12.Bc3 f5 13.Nf3 g4-/+; 10...Bc3 11.Bc3 d6 12.d4 c5 13.de5 de5+=; 10...a6 11.Nd5 Nd5 12.Bd5 d6 13.a3 Ba5-/+; 10...c6 11.Nge2 d6 12.a3 Bc3 13.Nc3 b5-/+) 11.Nb5 Ba5 12.Rb1 a6 13.Na3 b5-/+; 10.h4 g4 11.Ne2 d6 12.a3 Ba5 13.Nbc3 f5-/+) 10...d6 (10...Nbc6 11.a3 Bc5 12.Nbc3 a6 13.Rb1 d6-/+; 10...a6 11.a3 Ba5 12.Nbc3 d6 13.Rb1 f5-/+; 10...c6 11.a3 Ba5 12.Nbc3 b5 13.Bb3 d6+=) 11.a3 Bc5 (11...Ba5 12.Nbc3 Nd7 13.h4 g4-/+) 12.d4 ed4 13.Nd4 Nd7 (13...Nbc6!? 14.Nb3 Bb6+=) 14.Ne6= Bb6 15.Ng7 Kd8 16.Nh5 (16.Ne6!? Ke8 17.Ng5=) 16...Rf8 17.Ng7 (17.Nd2 Ne5-/+) 17...Nc5 18.f3 (18.Nd2 f5 19.Nf5 Nf5 20.ef5 Rf5-/+) 18...c6 (18...Na4 19.Ra2-/+) 19.h4 (19.Nc3 f5-/+) 19...g4 (19...Na4 20.Bc1 Bd4 21.c3 Nc3 22.Bb2-/+) 20.Ke2 (20.Nc3 f5-/+) 20...d5 (20...Na4!? 21.Bc1 Bd4-+) 21.ed5-/+ Rf7 (21...gf3!? 22.Kf3 Ng6-/+) 22.d6 (22.Ne6 Ne6 23.de6+=) 22...Rg7 (better is 22...Nd5 23.Bd5 cd5+=) 23.de7?? (better is 23.Bf6 gf3 24.Kf3 Bg4 25.Kf4+/-) 23...Re7 (23...Ke7 24.Re1-/+) 24.Kd1 (24.Kf1 Be6 25.Nd2 gf3 26.gf3 Nd7-/+) 24...Rd7 (24...gf3 25.gf3 Nd7 26.Nd2-/+) 25.Nd2 Rd6 26.Kc1 Ba5 27.Nb3 (27.Rd1 Ke7-/+) 27...Nb3 28.cb3 (28.Bb3 Bd2 29.Kb1 Ke7-/+) 28...Bd2-+ 29.Kc2 (29.Kb1-+) 29...Bf5 30.Kd1 Kc7 (30...b5 31.Bf7-+) 31.Bf6?? (better is 31.Ke2-+) 31...Bc3 (31...Bc3 32.Kc1 Bf6 33.fg4 Bg4-+; 31...Rf6?! 32.Kd2 Rd8 33.Ke3 Re8 34.Kf2-/+) 0–1. Nielsen,Jorgen Axel – Mortensen, Denmark, 1973.

8.h4 Qe7 9.hg5+= Qc5 10.Qg6 (10.Bb3 Qc6 11.f3 fg5 12.Qg5 Be7 13.Qg3 Qf6 14.Nc3+=) 10...hg6 11.Rh8 Ke7 12.Bb3 Na6 13.c3 Qc6 14.Bd5+/-.

8.h4 Qe7 9.hg5+= d6+= A) 10.gf6 Qf6 11.Nf3 (11.Ne2 Rf8 12.f3 Nd7 13.c3 Ba5 14.d3=) 11...Bc5 12.Nc3 c6 13.Qh5 Nd7 14.Rb1+=; B) 10.Qh5 Nd7 (10...fg5 11.Nf3 Be6 12.Be6 Qe6 13.Ng5 Qc4 14.Bc3+=) 11.a3 (11.Nf3 Kd8 12.a3 Bc5 13.g3 Nb6 14.Be2=) 11...Bc5 12.Nf3 Kd8 13.Qh6 c6 14.Nc3=; C) 10.Nh3 C1) 10...Nc6 11.gf6 (11.Nc3 Bc3 12.Bc3 Be6 13.Be6 Qe6 14.gf6+=) 11...Qf6 12.Ng5 Rf8 13.f3 Qf4 14.Nh7+/-; C2) 10...f5 11.a3 (11.Nc3 c6 12.Bd3 Rf8 13.a3 Bc5 14.ef5=; 11.Bd3 f4 12.a3 Bc5 13.Nc3 c6 14.Qh5=; 11.Qh5 Rf8 12.a3 Ba5 13.Nc3 c6 14.Bd3=) 11...Ba5 12.Nc3 c6 13.Bd3 f4 14.Ne2=; C3) 10...c6 11.gf6 Qf6 12.Ng5 Rf8 13.f3 Qf4 14.Nh7+-; C4) 10...Rf8 11.Nc3 c6 12.a3 Bc5 13.Na4 Nd7 14.Nc5=; C5) 10...Nd7 11.a3 Bc5 12.gf6 Nf6 13.Nc3 Rf8 14.f3=; D) 10.a3 Bc5 11.Nf3 Nd7 12.Nc3 Nb6 13.Bb3 f5 14.a4+=; E) 10.Nf3 E1) 10...f5 11.a3 (11.Nh4 Nh4 12.Qh4 Rf8 13.ef5 Bf5 14.Bb5+=) 11...fe4 12.Nh4 Nh4 13.Rh4 Bc5 14.Nc3+=; E2) 10...Nd7 11.a3 (11.Nc3 Nb6 12.Nd5 Nd5 13.ed5 a6 14.gf6=) 11...Bc5 12.Nc3 Nb6 13.Bb3 f5 14.d3+=.

8.h4 Qe7 9.hg5+= fg5?? 10.Qg6!!+- hg6 11.Rh8 (11.Rh8 Qf8 12.Be5+-) 1–0. Koerner – Breitenstein, corr, 1985.

8.h4 Bf8 9.Qh5 b5 A) 10.Bb5 c6 (10...Na6 11.hg5 Rb8 12.Nc3 Nb4 13.Kd1 c6 14.a3 Nc2 15.Kc2 cb5) 11.Bc4 Qb6 12.Bb3 a5 13.a4 g4 14.f4 gf3 15.Qf3 Bh6; B) 10.Be2 Bb7 (10...gh4 11.Nf3 h3 12.Rh3 Nc6 13.Nc3 Nb4 14.Rc1 d5 15.Rg3 d4; 10...g4 11.Bg4 Nc6 12.Ne2 Bc5 13.Nbc3 0-0 14.0-0 Ba6 15.a3 Nge7) 11.hg5 Be4 12.Nf3 Nc6 13.Nc3 Bc2 14.Rc1 Nb4 15.0-0 Bd3; C) 10.Bd3 g4 11.Nc3 c6 12.a3 Na6 13.Nge2 Nc5 14.0-0 f5 15.Ng3 Nd3.

8.h4 Bf8 9.Qh5 g4 10.Be2 (10.Qg4? d5 11.Qe2 dc4 12.Qc4 Nd7-+; 10.Ne2 Nc6 (10...d6 11.Nbc3 Nc6 12.Nd5 Na5 13.Bd3 c6 14.Ne3 Be6 15.Bc3 Qb6) 11.Nbc3 Na5 12.Bd3 c6 13.0-0 d6 14.Ng3 Be6 15.Nf5 Qd7; 10.Nc3 Nc6 11.Nge2 Na5 12.Bd3 d6 13.0-0 Be6 14.Nd5 c6 15.Ne3 Qc7) 10...d5 11.Bg4 (11.Bd3 Na6 12.ed5 Qd5 13.Bg6 hg6 14.Qh8 Qg2 15.Qf6 Qh1) 11...Bg4 12.Qg4 Qd7 (12...Nc6 13.ed5 Nb4 14.Na3 Qd7 15.Qd7 Kd7 16.Ne2) 13.Qd7 Nd7 14.ed5 Nf4 (14...Nb6 15.Nc3 0-0-0) 15.g3 (15.Nc3 Bb4) 15...Nd5 16.Nc3 Nc3 17.Bc3 Bc5 18.Nf3 0-0-0 19.0-0 Rhg8 (19...Rhe8 20.Rfe1+=) 20.Kg2 Nb6 21.d3 Nd5 22.Bd2 Rg4 23.a4 Bb4 24.Kh3 h5 25.c4 (better is 25.a5!?+=) 25...Bd2-/+ 26.Nd2 Nc3 (26...Nb4 27.Ne4 Rg6 28.f4-/+) 27.Ra3 (27.f3!? Rgd4 28.Ne4 Ne4 29.fe4 Rd3 30.Rf6+=) 27...Rd3-+ 28.f3 Rgd4 (28...Rd2 29.fg4 Ne4 30.gh5 Nf2 31.Rf2 Rf2 32.h6+-) 29.Ne4 Ne4 (worse is 29...Rc4 30.Nf6 Ra4 31.Ra4 Na4 32.Re1 Rf3 33.Nh5-/+) 30.Rd3 Nf2! 31.Rf2 Rd3 32.g4 hg4 33.Kg4 Rd4 34.f4 Kd7 (34...Rc4 35.h5 Ra4 36.h6-/+) 35.h5-/+ Ke6 36.h6 Kf7 (36...Rc4?? 37.h7 f5 38.Kh3 Ra4 39.fe5 Ra3 40.Kg2+-) 37.Kh5 Rf4 38.Rg2 Rf5 39.Kh4 Rg5 40.Rg5 fg5 41.Kg5 a5 (better is 41...Kg8-/+) 42.Kf5+= e4 43.Ke4 Kg6 44.Kd5 Kh6 45.Ke6 (45.Kc5 Kg5=) 45...Kg5 46.Kd7 c6?? (better is 46...Kf5=) 47.c5+- Kf5 48.Kc7 Ke5 49.Kb7 Kd5 50.Kb6 Kc4 51.Kc6 Kb4 52.Kd5 Ka4 53.c6 Kb3 54.c7 Kb2 55.Kd4 Kb3 (55...Kc2 56.c8Q Kb3 57.Qc3 Ka4 58.Qc4 Ka3 59.Kc3 a4 60.Qb4 Ka2 61.Qb2) 56.c8Q a4 57.Qc6 (57.Qc4 Kb2 58.Qa4 Kc1 59.Kc3 Kb1 60.Qb5 Kc1 61.Qf1) 57...a3 (57...Kb2 58.Qa4 Kc1 59.Kc3 Kb1 60.Qb5 Kc1 61.Qf1) 58.Qc3 Ka2 59.Qc2 Ka1 60.Kc3 a2 61.Qd1 1–0. Myslowski,Karol (1930) – Koziarski,Andrzej (2000), Polonia–B Warsaw (7), 1978.

8.h4 Nh4 9.Rh4 gh4 10.Qh5 Ke7 11.Qf7 Kd6 12.Be5 fe5 13.Qd5 Ke7 14.Qe5 Kf8 15.Qh8 Ke7 16.Qg7 Kd6 17.a3 (17.Qh7?! c6+-) 17...Bd2 18.Nd2 +- (worse is 18.Kd2 c6+-).

8.h4 g4

9.Ne2 a6 10.h5 Bf8 11.Qe3 Ne7 12.d4 Nbc6 13.0-0 d5 14.de5=.

9.Ne2 b6 A) 10.Qg7 Qe7 11.Qh6 (11.Qe7 Ne7 12.a3 Ba5 13.Nbc3 c6 14.Bb3+=) 11...Ba6 12.Ba6 Na6 13.h5 Nf8 14.a3+=; B) 10.h5 Bf8 11.Qe3 Ne7 12.Qb3 Bh6 13.Bf7 Kf8 14.f4+=; C) 10.Nbc3 c6 (10...Bf8 11.Qh5 c6 12.Bb3 d6 13.Ng3 Qd7 14.d4=; 10...Nc6 11.h5 Nge7 12.Qf6 Rf8 13.Qg7 Bc5 14.Nd1+/-; 10...a6 11.h5 Ne7 12.Qf6 Rf8 13.Qe5 Nbc6 14.Qg7+-; 10...Ba6 11.h5 Bc4 12.hg6 Qe7 13.Ng3 Kd8 14.Nf5+/-) 11.h5 Bf8 12.Qe3 Ne7 13.Bb3 d6 14.d4=.

9.Ne2 c6 10.Nbc3 (10.h5 Bf8 11.Qe3 Ne7 12.f4 Bh6 13.Qc3 d6 14.Rf1+=). Sokolski,Alexey – Makarov, corr, 1951.

9.Ne2 Nc6 10.h5 Bf8 11.Qe3 Nge7 12.f4 Na5 13.Bb3 Bh6 14.0-0+=.

9.Ne2 Bf8 10.Qe3 A) 10...c6 11.Qb3 (11.h5 Ne7 12.f4 Bh6 13.Qc3 d6 14.Rf1+=) 11...Qe7 12.a4 Bh6 13.Ba3 d6 14.Qd3+=; B) 10...d6 11.h5 (11.Qb3 Bh6 12.Bf7 Ke7 13.h5 Nf4 14.Nf4+=) 11...Ne7 12.Qb3 Bh6 13.Bf7 Kf8 14.Be6+=; C) 10...a6 11.Qb3 (11.h5 Ne7 12.d4 Nec6 13.0-0 ed4 14.Nd4=; 11.Qg3 b5 12.Bd5 c6 13.Bb3 d5 14.h5+=) 11...Qe7 12.h5 Nf4 13.Nf4 ef4 14.Qc3+=; D) 10...Nc6 11.h5 Nge7 12.f4 Na5 13.Bb3 Bh6 14.0-0+=; E) 10...h5 11.Qb3 Rh7 12.Bg8 Re7 13.Ng3 Nf4 14.0-0+=.

6.Qh4 Ng8

7.Nc3 Nc6 8.Nf3 (8.Bg8 Bc3 9.Bc3 Rg8 10.Qh7 Ne7=) 8...Qe7 (8...h5!?+=) 9.Nd5= Qe6?? (better is 9...Qd6=) 10.Nc7+- (10.Nc7 Kd8 11.Be6 (11.Na8?! Qc4 12.Be5 Be7 13.Bc7 Ke8+-) 11...Kc7 12.Bg8+-) 1–0. pierre – stydio, internet, 2009.

7.Nc3 d6 8.f4=.

7.Nf3 Be7 8.Qg3. pierre – vumno, internet, 2009.

7.f4 d6 8.fe5 de5 9.Be5=.

7.f4 Qe7 8.Nf3 (8.fe5 fe5 9.Qe7 Be7 10.Be5 Bh4 11.g3 Bf6+=) 8...ef4 9.Bg8 (better is 9.Qf4 Nc6 10.Nc3=) 9...g5?? (better is 9...Rg8 10.Bf6 Qf7= (10...Qe4? 11.Kd1 d5 12.Re1+-)) 10.Qh5+- Kf8 (10...Kd8 11.Qh6 Ke8 12.Bf6 Qe4 13.Kd1 Rg8 14.Re1 Qe1 15.Ke1+-) 11.Bb3 Qe4 12.Kd1 Qg6 13.Qg6 hg6 14.Bf6 Rh5 15.Bg5 (15.Ng5?! Be7 16.Be7 Ke7+-) 15...Bd6 16.Nc3 c6 (16...Be5 17.Rb1 Bc3 18.dc3+-) 17.Ne4 Be7 18.Bf4 d5 19.Ng3 Rh7 20.h3 Nd7 21.c3 Nc5 (21...Rf7 22.Bh6 Kg8 23.Re1+-) 22.Bc2 Rg7 (22...Kg8 23.Bg6 Rg7 24.Bc2+-) 23.Bh6 1–0. Pietrzak,A – Przybylko,Mieczyslaw, corr Poland, 1987.

7.Bg8 Rg8 8.Qh7 Kf8 9.Nc3 Bc3 10.Bc3 Qe7 11.Qh6 Qg7 12.Qe3 Nc6 13.Nf3 (13.Ne2 Rh8+/-) 13...d6 14.d4 Bg4 (14...Rh8 15.d5 Ne7 16.Qd3+=) 15.d5+/- Bf3? (better is 15...Nd8+/-) 16.dc6+- (16.gf3?! Nd8+/-; 16.Qf3?! Nd4 17.Bd4 ed4+/-) 16...bc6 (16...Bg2 17.cb7 Rb8 18.Rg1 (18.Qa7?! Kf7 19.Rg1 Be4+=) 18...Rb7 19.Rg2+-) 17.Qf3 Rh8 (17...Rb8 18.h4+-) 18.Rb1 (18.h4 Qf7+-) 18...Ke7 (18...Qf7 19.Rb7+-) 19.Rb7 Ke6 (19...Rhc8+-) 20.Qg4 f5 21.ef5 Kd5 (21...Kf6 22.Rc7! Qh6+-) 22.Qd1 Kc5 23.Bb4 Kc4 24.Qd3 1–0. Trkn – guest6692, ICC, 2004.

6.Qh6 c6

7.c3 Bc5 8.d4 d5 9.ed5 ed4 10.cd4 Qb6 11.Bc3 Bd6+=.

7.c3 d5 8.cb4 dc4 9.Ne2-/+.

7.f4 d5 8.fe5 fe5 9.Be5=+.

7.Qg7 Rg8?? 8.Qh7 (8.Qf7) 8...d5+= 9.ed5 cd5 10.Bb3 Be6 11.a3 Bc5 12.c3?? (better is 12.Nc3!?+=) 12...Nbc6 (12...Qb6 13.d4 Qb3 14.Nd2 Qb2 15.Rb1 Qa3 16.dc5-+) 13.Nf3?? (better is 13.d4 ed4 14.Nd2-+) 13...Qb6 14.0-0 Qb3 15.Bc1 0-0-0 16.Qh4 g5 17.Qg3 (17.Qh6 Bf5 18.d4 Bb1 19.dc5 Bd3-+) 17...e4 (better is 17...Nf5 18.Qg4 Ng7 19.Qg3-+) 18.Nd4 Nd4 19.cd4 Bd4 (better is 19...Qg3 20.hg3 Bd4-+) 20.Qb3+= Ba1 21.Bb2 Bb2 22.Qb2 Nc6 23.Qf6 Bd7 (23...Kd7!?+/-) 24.Nc3 Rdf8? (better is 24...Rgf8 25.Qg5 Rg8+-) 25.Qd6 Re8 (25...Rf7 26.Qd5 Rfg7+-) 26.Nd5 Re6 (26...e3 27.Qc7) 27.Qc7 1–0. elektrooon – ovid44, kurnik, 2013.

7.Qg7 Rf8

8.Qh7 d5

9.Bd3 Qb6 10.ed5 cd5 11.Bg6 Kd8-/+.

9.Bd3 de4 10.Be4 f5 11.Bd3 e4 12.Bc4+= b5 13.Bb3 c5 14.a3 Ba5 15.Ne2 c4=+ 16.Ba2 Be6 17.Nd4= Bg8 18.Qh6 Rf7 19.Nb5+= Rh7 20.Qg5?? Nd7?? 21.Bc4! Bc4 22.Nd6 Kf8 23.Nc4 Rb8 24.Bf6 Nf6 25.Qf6 Rf7 26.Qh8 Ng8 27.0-0 Bb6 28.Nb6 Rb6 29.Nc3 Qd2 30.Rad1 Qg5 31.Nd5 Rd6 32.c4 f4 33.Rfe1 e3 34.fe3 fe3 35.Re3 Rd5 36.Re8! Ke8 37.Qg8 Ke7 38.cd5 Qe3 39.Kh1 Qf2 40.d6 Kd7 41.h3 Qf5 42.Qb8 Qc2 43.Qa7 Kc6 44.Qd4 Kd7 45.Qd5 Rf2 46.Qb7 Ke6 47.Qe7 Kf5 48.Rd5 Kf4 49.Qe5# 1–0. wvmaniac (2465) – hockhin (2355), net–chess.com, 2008.

9.ed5 cd5

10.a3 Bc5 A) 11.Bd3 Qb6 (11...Bf2) 12.Bg6 Kd8 13.Bc3 Bf2 14.Kf1 Bg1-+; B) 11.Bb5 Nbc6 (11...Nd7) 12.Nc3 Qb6 13.Qh4 Kd8 14.Bc6 Nf5-+; C) 11.Bb3 Qb6 12.Nh3 Bh3 13.Qh3 Bf2 14.Kd1 Nd7-/+.

10.Bb5 Nbc6 11.Nf3 a6 (11...Qb6 12.a4 a6 13.Bc6 bc6 14.Ra2 Bg4 10.Bb5) 12.Bc6 bc6 (worse 12...Nc6 13.Qg6 Ke7 14.a3+=) 13.0-0 Bf5 14.d3 g5 15.Qh5 Bg6 (15...Ng6 16.Nfd2-/+) 16.Qh6 Kd7 17.a3 (17.Qh3!? Bf5 18.g4-/+) 17...Bd6-+ 18.d4? (better 18.Qh3 Bf5 19.g4-+) 18...e4 19.Nfd2 (19.Ne5 fe5 20.de5-+) 19...Rh8 20.Qg7 Bh2 21.Kh1 Qc7 22.Nc3 (22.Re1 Qf4 23.Nf3-+) 22...Bg1! 23.Qh8 (23.Kg1 Qh2 Mate attack) 23...Rh8 24.Kg1 Qh2 0-1. Whiteowl - Vprimer (1770), Rated Blitz game, lichess.org, 2013.

10.Bc3 Qb6 11.Bb4 (11.Bb3 Bc5 12.Nh3 Bh3 13.Qh3 Bf2 14.Kd1 Bc5-+; 11.Bd5 Nd5 12.Qg6 Ke7 13.Ne2 Bc5 14.d4 ed4-+; 11.Bd3 e4 12.Be2 d4 13.Bd4 Qd4 14.c3 Qc5-+) 11...Qb4 12.Bb3 Qg4 13.Ne2 Qg2 14.Rg1 Qh3-+.

10.Bb3 Be6

11.a3 Bc5 (11...Bd6 12.Nf3 Qb6 13.Nc3 Nd7 14.Rb1 Nc5+=; 11...Ba5 12.Nc3 Nd7 13.Nge2 Nc5 14.d4 Nb3+=; 11...Bg8 12.Qh3 Bc5 13.Nc3 Nbc6 14.Na4 Bd6+=) 12.Nc3 Nbc6 13.Nf3 Rf7 14.Qh8 Kd7+=.

11.Nc3 Nd7 (11...Nbc6 12.Nf3 a5 13.a3 Bc3 14.Bc3 Bg8+=; 11...Bf5 12.a3 Bc5 13.Nf3 Nbc6 14.Nh4 Be6+=; 11...Qd7 12.a3 Bc5 13.Nf3 Nbc6 14.Rb1 g5+=; 11...Bc5 12.Nf3 Nbc6 13.0-0 g5 14.Qh5 Kd7+=) 12.h4 Bg8 13.Qh6 Rf7 14.Nce2 Rh7-/+.

11.Ne2 Nd7 (11...Qc7 12.h4 Bf5 13.c3 Bc5 14.Ng3 Bd3+=; 11...Bc5 12.0-0 Nbc6 13.Nbc3 a6 14.Qh4 Nf5+=; 11...Nbc6 12.Nbc3 Na5 13.Ba4 Bd7 14.Bd7 Qd7+=; 11...Bd6 12.0-0 Nbc6 13.Nbc3 Bc5 14.Rab1 a6+=) 12.0-0 Qb6 13.a3 Bd6 14.Qg7 Bf5-/+.

11.Nf3 Nbc6 (11...Bg4 12.Nh4 Bc5 13.h3 Be6 14.Nc3 Nbc6+=; 11...Nd7 12.0-0 Nc5 13.Qh4 Qb6 14.Nc3 0-0-0+=; 11...Bc5 12.Nc3 Nbc6 13.0-0 g5 14.Qh5 Bf7+=; 11...Qc7 12.0-0 Nd7 13.Nc3 Nc5 14.Rfc1 Nb3+=) 12.Nc3 a5 13.a3 Bc3 14.Bc3 Bg8+=.

11.h3 Bc5 (11...Bf5 12.Ne2 Nbc6 13.Ng3 Be6 14.Nc3 Nd4+=; 11...Nbc6 12.Nf3 Bc5 13.Nc3 a6 14.0-0 b5+=; 11...Bd6 12.Nf3 Nd7 13.Nc3 Qb6 14.Rb1 Kd8+=; 11...Na6 12.Nf3 Nc5 13.0-0 Bf5 14.Qh4 Qb6+=) 12.Nf3 Nbc6 13.Nc3 a6 14.0-0 b5+=.

11.Qh4 Nbc6 (11...Bc5 12.Nc3 Qd7 13.Nf3 Nbc6 14.Qa4 Nd4+=; 11...Qb6 12.Nc3 Bc5 13.Qg3 Nd7 14.Nge2 Qc6+=; 11...Qa5 12.Nc3 Nd7 13.Nf3 0-0-0 14.a3 Bd6-/+; 11...Na6 12.Nf3 Qc7 13.a3 Bd6 14.Nc3 Qb6+=) 12.Qg3 Kf7 (12...Qb6 13.Ne2-/+ Bf5 14.Nbc3 Bd6+=; 12...Rh8 13.Nc3 Bf5 14.a3 Bc5-/+) 13.Nc3 (13.Ne2 Nf5 14.Qh3 Rh8+=) 13...Nd4 (13...Nf5 14.Qd3 Nfd4+=) 14.f4 (14.Nge2 Nef5-+) 14...Nef5 15.Qf2 e4 16.g4 e3 (16...Nb3?! 17.gf5 (worse is 17.ab3 e3 18.de3 Ne3 19.Qe3 d4-/+) 17...Na1 18.fe6 Ke6 19.Ba1 Bc3 20.Bc3=) 17.de3 Ne3 18.Qe3 Nb3 19.ab3 d4 20.Qg3 Bd5 (worse is 20...Bc3 21.Bc3 Bd5 22.0-0-0+=) 21.0-0-0 Bh1 22.Nge2?? (better is 22.Nb5 Be4 23.Rd4-/+) 22...dc3-+ (22...Bc3?! 23.Bc3 Qc7 24.Nd4=) 23.Bc3 (23.Rd8 cb2 24.Kb2 Rfd8 25.f5-+) 23...Ba3 (23...Ba3 24.Bb2 Bb2 25.Kb2 Qd1-+) 0–1. Neuhof,KE – Gomez Cebrian,F, corr ICCF EU/M/GT/055 (year?).

6.Qh6 Nbc6

7.a3 Bc5 8.Nc3 Nd4 9.Rc1=+.

7.Bb3 d5 8.Qg7 Rf8 9.Qh7 de4 10.Nc3 Bc3 (10...Nd4 11.Nge2 Bf5 12.Qh4-+) 11.Bc3-/+ Nd4 (11...Bf5 12.Rb1-/+) 12.Ne2 (12.Bb4 Ndf5-/+) 12...Ne2 13.Ke2 a5 14.Rhe1 (14.Ke1 b5 15.a4 b4-/+) 14...a4 (14...b5 15.a4 b4 16.Bb2-/+) 15.Bc4 Bd7 (15...c6 16.Bb4 Bf5 17.Kf1-/+) 16.Kf1 b5 17.Be2 c5 18.a3 Bc6 19.Rab1 Qd5 20.Bb5?? (better 20.Qh3=+) 20...Kd7?? (better 20...Bb5 21.Kg1 Bc6-+) 21.Bc6+= Qc6 22.d3?? (better 22.Qh3 Kd6 23.Qg4+=) 22...Rh8-/+ 23.Qf7 Raf8 (better 23...Rh2!? 24.de4 Rh1 25.Ke2 Qe4 26.Kd2 Re1 27.Re1 Qd5 28.Qd5 Nd5-+) 24.Qc4=+ Rh2 25.de4 Rh1 (25...Nf5!?=+) 26.Ke2= Re1 27.Re1 f5 (27...Nc8 28.Rh1+=) 28.Rd1 (better 28.Kf1+-) 28...Kc7? (better 28...Ke8+=) 29.Be5+- Kc8 30.Rd6 (better 30.Bd6!? Re8 31.e5+- (worse 31.Qc5 Qc5 32.Bc5 Nc6+-)) 30...Qe4+- 31.Qe4 fe4 32.Re6 (32.Ra6 Rf5 33.Bb2 Nd5+-) 32...Nf5 (better 32...Kd7 33.Ra6 Rf5+-) 33.Bd6?? (33.Rg6 Kb7+-) 33...Nd6?? (better 33...Nd4 34.Ke3 Ne6 35.Bf8 Nf8 36.Ke4 Ne6-+) 34.Rd6+- Re8 (better 34...Kc7!? 35.Re6 Rh8+-) 35.Rg6 Kb7 36.Rg3 (36.Ke3 Re7+-) 36...c4 (36...Kc6 37.Ke3+-) 37.Re3 (better 37.Ke3!? Kc6 38.Rg6 Kc5 39.Rg5 Kc6 40.Ra5+-) 37...Kc6+- 38.g4 (38.Kf1 Rb8 39.Re4 Kd5+-) 38...Kd5 39.g5 Kd4 (better 39...Rg8!? 40.Rg3 Rg6+-) 40.Rg3 c3 (40...Rg8 41.c3 Ke5 42.g6+-) 41.g6 Rg8 42.g7 Kc4 (42...Ke5 43.Ke3 Kf5+-) 43.Ke3 (43.Ke3 Kd5 44.Rg5 Ke6 45.Ke4+-) 1–0. BeepBeepImAJeep (2640) – smaskaras (1705), lichess.org, 2016.

7.Nc3 Nd4 8.Rc1 c6 9.a3=+.

7.Qg7 Rf8

8.Qh7 Na5 9.Bb3 d6 10.h4 Bg4=+ 11.f3 Nb3 12.ab3 Be6 13.h5 Bg8 14.Qh6 gh5 15.Qh5 Bf7 16.Qh3 Nc6 17.Ne2= Qe7 18.Nbc3 Bc3 19.Nc3 Rg8 20.g4 a6 21.Ne2 0-0-0 22.0-0-0 b5 23.d4+= d5 24.de5 fe5= 25.Ng3 Be6 26.Nf5 Qg5=+ 27.Kb1 de4 28.Rd8 Kd8 29.Rd1 Kc8 30.fe4 Qg4-/+ 31.Qc3?? Qd1-+ (31...Qd1 32.Ka2 Kb7-+) 0–1. wvmaniac (2465) – redrook (2525), net–chess.com, 2008.

8.Qh7 Na5!? 9.Be2 d5+=.

8.Qh7 Nd4 9.Bd4+= d6?? (better is 9...ed4 10.Nf3 c6+=) 10.Be3+- Bd7 (10...Kd7+-) 11.Bh6 (11.Bh6 d5 12.ed5+-) 1–0. marekt – NN, GameColony.com, 2002.

8.Qh7 Qe7 9.Qg6+- Kd8 10.Nc3 Nd4 11.0-0-0 (11.Bb3 c6+-) 11...c6+= 12.Bb3 b5 13.Nf3 a5 (13...Nf3 14.gf3 Bc5+=) 14.a4 (better 14.Nd4!? ed4 15.Ne2+-) 14...Bc3 15.dc3 ba4? (15...Nf3 16.gf3 ba4 17.Ba4=) 16.Ba2?? (better 16.cd4 ab3 17.cb3+-) 16...Nf3= 17.gf3 a3 18.Ba1 Ba6 19.h4 Be2 (19...Qc5!?=) 20.Rd2+= Bf3 (better 20...Bb5!?+=) 21.Rh3+- Be4 22.Qe4 Na6?? (better 22...Qg7+-) 23.Qc6 Ke8 (23...Ra7 24.Qb6 Rc7 25.Qa6 Qc5+-) 24.Qa8 (24.Qa8 Qd8 25.Qa6+-) 1–0. BeepBeepImAJeep (2585) – Belerfon (2230), lichess.org, 2017.

6.Qh6 d5!

7.a3 Ba5 8.Bb5 c6 9.Bd3-/+.

7.Bb5 c6 8.Bd3 (8.Be2 Qb6 9.Bc1 de4-+) 8...Qb6 9.f4?? (better is 9.Qh4-+) 9...de4 10.Bc4 (10.fe5 Bc5 11.Ba3 ed3 (11...Bg1?! 12.Qg7 Qf2 13.Kd1 Bg4 14.Kc1=) 12.Bc5 Qc5 13.ef6 Nd7-+) 10...Bc5 11.Ne2 (11.Qg7 Qb2 12.Qh8 Kd7 13.Ne2 Qa1 14.Nec3-+) 11...Qb2 12.Qg7 (12.fe5 Qa1 13.Nec3 Rf8 14.ef6 Rf6-+) 12...Rf8 13.Ng3 Qc1 14.Ke2 Bg4 0–1. eagle905 – pierre, ChessWorld.net, 2005.

7.c3 A) 7...Bc3 8.Bb5 (8.Nc3 dc4 9.Ba3 Kf7 10.Nge2 Nbc6 11.0-0 f5 12.f4 Ng8-+) 8...c6 9.Nc3 cb5 10.Ba3 Nbc6 11.Nb5 de4 12.Qg7 Rg8-/+; B) 7...dc4 8.cb4 Nbc6 9.a3 Qd3 10.f3 f5 11.Qg7 Rg8 12.Qh7 fe4-+.

7.Bd3 de4 8.Be4 Nf5 9.Qh3 c6 10.Ne2 Be6 11.f4 Nd4 12.Qh4 0-0-/+.

7.Bd3 Be6 8.a3 (8.Qg7 Rf8 9.Qh7 d4 10.h4 Bf7 11.Be2 Bg8 12.Qg7 Rf7-+) 8...Bc5 9.Qg7 Rf8 10.Qh7 c6 11.ed5 cd5 12.Bc3 Qb6-/+.

7.ed5?? Bd6 8.Qg7 Kd7? 9.Qf6+- Rf8 10.Qe6?? (better 10.Qg7+-) 10...Ke8-+ 11.Nf3?? (better 11.Bb5 c6 12.dc6 bc6 13.Qb3 cb5 14.Nc3-+) 11...Be6 12.de6 c6 (12...Nf5 13.Ne5 Qh4 14.Bd3-+) 13.0-0 (13.Nc3 Rf4 14.d3 Bc5-+) 13...Qc7 (13...Rf3 14.gf3 Nd5 15.Re1 Qg5 16.Kf1-+) 14.d4 (14.Nc3 Nf5 15.Ne4 Nd4 16.Nd4 ed4 17.Nd6 Qd6-+) 14...ed4 15.Nd4 (15.Bd4 Rf3! 16.gf3 b5-+) 15...b5 (15...Bh2 16.Kh1 Be5 17.c3-+) 16.Bb3 (16.Bd3 Bh2 17.Kh1 Be5-+) 16...a5 (better 16...Bh2 17.Kh1-+) 17.a4 b4 (17...Bh2!? 18.Kh1-+) 18.Nd2 (18.g3 Be5 19.Nd2 Nf5 20.Nf5 Bb2-+) 18...Na6 (18...Bh2 19.Kh1 Bf4 20.Rad1-+) 19.Ne4 (19.N2f3 g5! 20.h3 Rg8-+) 19...Nc5 (better 19...Bh2 20.Kh1 Be5 21.Rad1-+) 20.Nd6 Qd6 21.Rad1 Qf4 22.Bc1 Qf6 23.Bb2 Nb3 (23...Rd8 24.f3 Nb3 25.cb3-+) 24.cb3 (24.Nb5 cb5 25.Bf6 Rf6 26.cb3 ba4 27.ba4 Re6 28.Rfe1 Re1 29.Re1-+) 24...c5 (better 24...Rd8 25.f3 Rd5-+) 25.Nb5+= Qf4 26.Nd6 Kd8 27.g3?? (better 27.Be5! Qe5 28.Nf7 Ke8 29.Ne5+/-) 27...Qg4?? (better 27...Qf3 28.Nf5 Nd5 29.e7 Kc7 30.Be5 Kc6 31.ef8R Rf8 32.Ne7 Ne7 33.Rd6 Kb7 34.Rd7 Kb6 35.Re7 Qb3-+) 28.Nf5= Kc7 29.Rd7 Kb6 30.Ne7 Qe6 31.Nd5?? (better 31.Rfd1 Rae8 32.R1d6 Qd6 33.Rd6 Kc7 34.Rc6 Kb7 35.Rf6 Rf6 36.Bf6=+) 31...Kc6-+ 32.Rc7 Kd5 (better 32...Kd6 33.Rd1 Qe2 34.Nc3 Qd1 35.Nd1 Kc7 36.Be5 Kc6-+) 33.Rd1= Ke4 34.Re1 Kf5?? (better 34...Kd5 35.Rd1 Ke4 36.Re1 Kd5 37.Rd1=) 35.Rc5+- Kg4 36.Re6 Rae8 37.Re8 Re8 38.Kg2 Re2 (38...g5 39.h3 Kh5 40.Rc6 Re4 41.Bg7 g4 42.h4 Re6 43.Re6 h6 44.Rh6) 39.Bg7 (39.h3) 39...h5 (39...g5 40.h3 Kh5 41.Rc6 g4 42.h4 Rf2 43.Kf2 h6 44.Rh6) 40.h3 1-0. carlos78 (2175) - pacal56 (2170), Rated Blitz game, lichess.org, 2014.

7.ed5?? Bf5 8.c3 Bd6 (8...Bc5 9.d4 ed4 10.cd4+=) 9.Qg7= Kd7 (9...Rf8 10.Qh7 Qd7 11.Bc1+=) 10.Qf6 Nc8 (10...Kc8!? 11.Qf7 Nd7=) 11.Qg7+/- Ne7 12.d4 (12.Nf3 Kc8 13.Ng5 Qg8 14.Qg8 Rg8+/-) 12...Qf8 (12...ed4 13.Qd4 Re8 14.Ne2+=) 13.Qh6?? (better is 13.Qf8 Rf8 14.de5 Be5 15.Nd2+/-) 13...Qh6-+ 0–1. Zaichenko,Andrey – Hess,Volker, FICGS, 2008.

7.Bd5 Nf5 8.Qh3 (8.ef5 Qd5 9.fg6 Qg2 10.g7 Rg8 11.Qh5 Ke7 12.Qf3 Bh3-+) 8...c6 9.Bb3 Nd4 10.Qe3 Bc5 11.Qg3 a5 12.a4 Na6+=.

7.Qg7? Rg8-+ 8.Qf6 dc4 (8...Nd7 9.Qe6 dc4 10.Qc4-+) 9.Nf3 (9.Qe5 Qd7-+) 9...Nec6 (9...Nbc6 10.Ne5 Rf8 11.Nc6 Nc6 12.Qd8 Kd8 13.Nc3-+) 10.Qd8 Kd8 11.a3 (11.Ne5 Ne5 12.Be5 Re8 13.Bf6 Kd7-+) 11...Bc5 (11...Bd6 12.Nc3-+) 12.0-0 (12.Ne5 Re8 13.Nc4 Re4 14.Ne3 Nd4-+) 12...Nd4 (12...Nd7 13.Nc3-+) 13.Ne5 Nc2 14.Ra2 Be6 15.Bc3 Nd4 16.Rb2 Nbc6 17.Nc6 Nc6 (worse is 17...bc6 18.Re1-+) 18.Bf6 (18.a4 b6-+) 18...Kc8 19.Rd1 (19.Rb5 Bd6-+) 19...Rf8 20.Bh4 Ne5 21.Rc2 (21.Rb5 Bd4 22.Nc3 Nd3-+) 21...Nd3 22.Kf1 (22.Rf1-+) 22...Nf2 23.d4 (23.Bf2 Rf2 24.Ke1 Rg2-+) 23...Nd1 24.Ke2 Bg4 25.Kd2 Bd4 26.Rc4 (26.h3 Bh5 27.Rc4 Be3 28.Kc2 Bb6-+) 26...Be3 27.Kc2 Bf4 28.Kb3 Be6 29.Be7 Re8 30.Bf6 b5 31.Kc2 Ne3 32.Kd3 Bc4 33.Kd4 c5 34.Kc3 Re4 35.Kb2 Nd1 36.Kc2 Nf2 37.Nd2 Re2 38.Bc3 White threatens to counter with g3 38...Bd3 39.Kc1 If White now would get g3 in, he might survive 39...a5 Black prepares the advance b4 40.a4 b4 41.Ba1 (41.Kb2 bc3 42.Ka3 c2 43.Kb2 Rb8 44.Ka2 c1Q 45.g3 Rd2) 41...Bd2 42.Kb2 Be3 43.Kb3 c4 0–1. Bazatron – pierre, ChessWorld.net, 2005.

7.a3 dc4

8.ab4 Nbc6 9.Qg7 Rf8 10.b5 Nb4 11.Na3 a6 12.Bc3 Qd6+=.

8.Qg7?? Rf8 9.ab4-/+ Rf7 (9...Nbc6 10.b5 Nb4 11.Na3-/+) 10.Qf7?? (better is 10.Qh8 Kd7 11.Qd8 Kd8 12.Ne2+=) 10...Kf7-+ (10...Kf7 11.Nf3 Nbc6-+) 0–1. Woschkat,Karl_Heinz – Nelson,Scott, IECG, 1995.

8.Qg7?? Rg8 9.Qf6 Nd7-+.

7.a3 Bc5

8.Bb3 de4 9.Qg7 Rf8 10.Ne2 Nbc6 11.Qh7 Na5 12.Ba2 Qd6-+.

8.ed5 Nd5=+.

8.Bd5 Nd5 9.Qg7 Rf8 10.ed5 Qd5 11.f3 Bg1-+.

7.Bb3 Na6

8.Qg7 Rf8 9.Qh7 (9.ed5 Nc5 10.Bc4 Nd5 11.Qh7 Bf5-/+) 9...de4 10.Ne2 Nc5 11.0-0 Qd6 12.Nbc3 (12.Ng3 Bf5-/+ (12...Bd2 13.Ba3 e3 14.Nd2 ed2 15.Ne4 Ne4 16.Bd6 cd6 17.Qh6+-; 12...Nb3?! 13.ab3 f5 14.Ba3-/+)) 12...Bd7 (12...Nb3!? 13.ab3 Qd2 14.Rac1-+) 13.Qh4 Bc6 (13...Nb3?! 14.Ne4 Qb6 15.ab3=) 14.d3 (14.a3 Ba5-+ (14...Qd2 15.Bc1 Bc3 16.Bd2 Bd2 17.Rad1+=; 14...Nb3?! 15.cb3 Bc3 16.Bc3-+)) 14...Nb3 15.ab3 ed3 16.Rfd1 d2 17.Na2 Bc5 18.b4 Bb6 19.c4 (19.Bc3 Bd5 20.Rd2 Qc6-+) 19...Qd3 20.c5 (20.Nac3 Qc2-+) 20...Bc5 21.bc5 Qe2 22.Nc3 Qd3 23.Qg4 Rd8 (better 23...Rh8 24.Nb1-+) 24.Ra3?! (24.Ra7 Rh8 25.Ba1-+) 24...Rd4 25.Qe2 Qe2 26.Ne2 Ba4 27.Nd4 (27.Bd4 Bd1 28.Nc3 Bf3-+) 27...Bd1 28.Rd3 ed4 29.Rd2 Bb3 30.Rd4 a5 31.h4 Nd5 32.g4 Rh8 33.g5 a4 34.gf6 Kf7 35.Ba3 (35.Kf1 b5!-+ (35...Nf6?! 36.Rf4-+)) 35...b5! 36.cb6 cb6 37.Kf1 Re8 38.Rg4 (38.Kg2 Kf6 39.Kg3 b5-+) 38...b5 39.Rd4 Bc4 40.Kg2 Rc8 41.Bd6 b4 42.h5 (42.Kf3 a3 43.Re4 Rc6-+) 42...gh5 43.Rd1 (43.Rh4 Ke6 44.f7 Kd6 45.Rc4 Rf8-+ (45...Rc4?! 46.f8Q Kd7 47.Qf7 Kc6 48.Qe8 Kb6 49.Qa4-/+)) 43...a3 44.Ra1 a2 45.Be5 b3 46.Kf3 (46.Kg3 Re8 47.Bd4 Re4-+) 46...Re8 (better 46...Nc3! 47.Bc3 Bd5 48.Ke3 Rc3 49.Kd4-+) 47.Bd4 Be2 48.Kg3 Rg8 49.Kh2 Bf3 50.Rg1 Rg1 51.Kg1 Nf4 52.Kh2 h4 53.Bc3 Nd3 54.Kh3 b2 55.Bb2 Nb2 56.Kh4 a1Q 57.Kg3 Bh5 (57...Qh1 58.Kf4 Nc4 59.Kf5 Qh5 60.Kf4 Qg4) 58.Kh4 (58.Kf4 Qc1 59.Kg3 Qg5 60.Kh2 Bf3 61.Kh3 Qg4 62.Kh2 Qg2) 58...Qh1 59.Kg5 (59.Kg3 Qf3 60.Kh2 Qf4 61.Kh3 Bg4 62.Kg2 Bf3 63.Kh3 Qg4 64.Kh2 Qg2) 59...Qf3 60.Kh6 Qf5 61.f4 (61.f3 Qg6) 61…Qg6 0–1. BeepBeepImAJeep (2750) – EtherealKnight (2495), lichess.org, 2016.

8.Qh4 0-0 (8...Qd6 9.ed5 0-0 10.a3 Ba5 11.Nc3 Nc5 12.Nb5 Qd7 13.d6-/+) 9.f4 Qd6 10.Ne2 Be6 11.Nbc3 c6 12.a3 Bc3 13.Bc3 -/+.

7.Bb3 c6

8.f4 Nd7 9.fe5 fe5 10.Nf3 de4 11.Qg7 Rf8 12.Ng5 Nf5 13.Bf7-+.

8.f4 de4 9.fe5 f5 10.e6 Rf8 11.Bg7 Rg8 12.Qh7 Qd6 13.Bc3=.

8.Qg7 Rf8 9.ed5 cd5 10.Qh7 Nbc6 11.Ne2 Bf5 12.Ng3 Be6 13.Nc3+=.

8.Qg7 Rf8 9.Qh7 Be6 10.a3 Bc5 11.Nc3 d4 (better 11...Nd7!?=+) 12.Be6+= dc3 13.Bc3 Nd7 (better 13...Qd6!? 14.Qh3 Ba3=) 14.Nf3+- Nb6 15.0-0 (15.Nh4 Qd6 16.Bg4 f5 17.ef5 Nbd5 18.Ng6 Ng6 19.Qg6 Qg6 20.fg6 Nc3+-) 15...Qd6 Exerts pressure on the isolated pawn (15...Na4 16.Nh4 Qd6 17.Bb3 Nc3 18.dc3+-) 16.Bh3 (better 16.Bb3+-) 16...f5? (better 16...Ba3 17.d4 ed4 18.Bd4 Rf7+-) 17.ef5 (17.Be5 Qe6+-) 17...gf5 18.Qh5 (18.Be5 Qd5+-) 18...Kd8 (18...Qg6 19.Qg6 Ng6 20.Be5+-) 19.Be5 Qd5 20.d4 Bd6 21.Rad1 (21.Qh6 Kd7+-) 21...Kc7 (21...Ba3 22.Nh4 Qf7 23.Qg5+-) 22.Qh7 (better 22.Rfe1 Rae8+-) 22...Rfe8? (22...Rae8 23.Rde1+-) 23.Ng5 (23.Bf5!? Be5 24.de5 Qc5+-) 23...Rad8 24.Qf7 (24.Rde1 Rd7+-) 24...Kb8 (24...Be5 25.Ne6 Kb8 26.Nd8 Bh2 27.Kh2 Qd8 28.Rde1+- (28.Bf5 Rf8 29.Qe6 Nf5=+)) 25.Qd5 Nbd5 26.c4 (better 26.Nf7!? Be5 27.de5 Rd7+-) 26...Be5 27.cd5 (better 27.de5!? Nb6 28.c5 Rd1 29.Rd1+- (29.cb6?! Rf1 30.Kf1 ab6=)) 27...Bf6+- 28.Ne6 Rd5 29.Rfe1 Ng6 30.Nc5?? (better 30.g3!?+-) 30...Re1= 31.Re1 Bd4 32.Ne6 Bb6 (32...Bb2 33.a4=) 33.g3 (33.Kf1 Ba5 34.Rb1 b5=) 33...Rd2=+ 34.Rf1 Ne5 (better 34...Ne7!?=+) 35.Bf5+= Nf3 36.Kg2 Ng5?? (better 36...Ne1! 37.Kh3 Bf2+=) 37.Ng5+- Rb2 (37...Rd5 38.g4+-) 38.g4 Kc7 (38...Bc5 39.Ne6 Ba3 40.Rd1+-) 39.h4 Rb3 (39...Ra2 40.Ne6 Kd6 41.h5+-) 40.Nf3 (better 40.Ne6!? Kd6 41.g5 Rb5+-) 40...Rc3 (40...Ra3 41.h5 Ba5 42.g5+-) 41.h5 Rc5 (41...Bc5 42.h6 Bf8 43.g5+-) 42.h6 Re5 (42...Ba5 43.Nd4 Re5+-) 43.Ne5 Bd4 44.h7 (better 44.f4 Be5 45.fe5+-) 44...Be5 45.Re1 Bh8 46.Re7 Kd6 47.Rd7 (47.Rd7 Kc5 48.g5+-) 1–0. BeepBeepImAJeep (2570) – gohaha (1835), lichess.org, 2017.

7.Bb3 Nbc6

8.ed5 Nd5 (8...Nf5 9.Qh3 Ncd4 10.Qd3 0-0 11.Ne2 Nb3 12.Qb3 Qd6 13.Nbc3+=) 9.Qg7 Rf8 10.Qh7 Nce7 11.Ne2 Be6 12.a3 Ba5 13.h4+=.

8.Qg7+= Rf8 9.ed5 Na5 10.c4 Nb3 (10...Bf5 11.Qh7 b5 12.Bc3 (12.cb5?? Nb3 13.ab3 Qd5-+) 12...Bc3 13.Nc3 bc4 14.Ba4 c6 15.dc6 Nac6 16.Nf3+=) 11.ab3 Rf7 (11...h5 12.Nc3 Bf5 13.Nf3+=) 12.Qh8= Kd7 13.Qd8 Kd8 14.Ne2 (14.Bc3 Bc3 15.dc3 b5+=) 14...Bd7 (14...c6 15.Ra4 a5 16.dc6 Nc6 17.Nbc3+=) 15.Ba3 (15.Bc3 Bc3 16.Nbc3 Nf5=) 15...Ba3+= 16.Ra3 b5 (16...Nf5 17.b4+=) 17.d4 ed4 (17...bc4 18.bc4 ed4 19.Nd4+=) 18.Nd4 Nf5 19.Nf5 (19.Nb5 Bb5 20.cb5 Re7 21.Kd2 Rd7+=) 19...Bf5 20.Kd2 Rb8 (20...Rd7 21.Kc3 bc4 22.bc4 c6=) 21.Ra1 (better is 21.cb5!? Be4 22.f3 Bb1 23.Rb1 Rb5 24.Ra7 Rd5 25.Kc3=) 21...bc4-/+ 22.bc4 Rb2 23.Kc3 Rf2 24.Ra7 Rd7 (24...Re7 25.Na3-/+) 25.Na3 (25.Ra8 Ke7 26.g3 Bb1 27.Rb1 Rh2=) 25...Be4 (25...c6 26.Ra8 Kc7 27.Ra7 Kc8 28.Rd7 Kd7 29.g3+=) 26.Ra8= Ke7 27.Rh8 c6 (27...Bg2?? 28.Re1 Kf7 29.Rh7 Kf8 30.Rd7+-) 28.Re1 cd5 (28...f5 29.Rh7 Kd8 30.Rd7 Kd7 31.dc6 Kc6 32.g3+=) 29.cd5 f5 30.Rh7 Kd8 31.Rh8 (31.Rd7 Kd7 32.g4 Rh2 (32...fg4?? 33.Re4 Rh2 34.Rg4+-) 33.gf5 gf5+=) 31...Ke7 (31...Kc7 32.g4+=) 32.Rh7 (32.Kc4 Kf6 33.Rd1 Ra2+=) 32...Kd8 33.Rh8 Ke7 ½–½. Mroz,Antoni – Zaluska,R, corr Poland, 1983.

8.Qg7 Rf8 9.ed5 Nd5 10.Qh7 Nce7 11.Ne2 Be6 12.a3 Ba5 13.h4+=.

8.Qg7 Rg8 9.Qh7 Be6 10.Qh4 f5 11.ed5 Bd5 12.Nf3 e4 13.Ne5+=.

7.Bb3 de4

8.Qe3 A) 8...Nbc6 9.Qe4 (9.a3 Nf5 10.Qe4 Be7 11.Nf3 Nfd4 12.Nd4-/+ ; 9.c3 Bd6 10.Qe4 Bf5 11.Qh4 g5 12.Qh5-+) 9...Qd6 10.Qc4 Nd4 11.Bd4 ed4 12.Ne2-/+; B) 8...Qd6 9.Qe4 (9.a3 Bc5 10.Qe4 Nbc6 11.Nf3 Bf5 12.Qe2-/+; 9.c3 Bc5 10.Qe4 Nbc6 11.Qc4 Bf5 12.Ne2-+; 9.Nc3 Bf5 10.Nge2 Na6 11.0-0 Nc5 12.Ng3-+; 9.Qe2 Bf5 10.a3 Bc5 11.Nc3 Bd4 12.Rb1-+) 9...Nbc6 10.Qc4 Kd8 11.Qf7 Bf5 12.Ne2-/+; C) 8...Bf5 9.a3 (9.Nc3 Nbc6 10.Nge2 Nd4 11.0-0 Bc5 12.Qh6-+ ; 9.Qh6 Kd7 10.Qe3 Nbc6 11.Qe2 h5 12.c3-+ ; 9.Qe2 Qd7 10.Qc4 Nec6 11.h3 Na6 12.g4-+; 9.g4 Bd7 10.g5 Nf5 11.Qe2 Rf8 12.a3-+) 9...Ba5 10.g4 Bb6 11.Qe2 Bd7 12.Qe4-+.

8.Qh4 Bc5 9.Qe4 (9.Nc3; 9.Ne2; 9.Qf6; 9.Na3) 9...Nf5 10.f4 Bd4 11.c3 Bg1 12.Rg1+=.

8.Qh4 Nec6 9.Qe4 (9.a3 Bc5 10.Qe4 Nd4 11.Nf3 Nbc6 12.Nd4-+; 9.c3 Bc5 10.Qe4 Bf5 11.Qc4 Qe7 12.Qe2-+; 9.Nc3 f5 10.Qd8 Kd8 11.Nd5 Bc5 12.Nh3-+) 9...Na6 (9...Bf5 10.Qc4 Qd7 11.Nc3 Na6 12.Nf3-/+) 10.Bd5 (10.Qc4 Rf8 11.Nf3 Na5 12.Qe2-/+) 10...Na5 11.c3 (better is 11.a3!? Bc5 (11...Be7 12.Qf3-/+) 12.Bc3-/+) 11...Bf5-+ 12.Qf3 c6 13.cb4 (13.Be4 Be4 14.Qe4 Nc5-+) 13...Nb4 14.Bc6? (14.Be4 Be4 15.Qe4 Nd3 16.Ke2 Nb2 17.f4-+) 14...Nac6 (14...Nbc6?! 15.Bc3-+) 15.Kd1 (15.Kf1 Nc2 16.Nc3 Na1 17.Ba1 Qd2 18.g4 Qd3 19.Qd3 Bd3 20.Kg2-+) 15...Nd3 16.Bc3 (16.Ne2 Qb6 17.Nbc3 Nf2 18.Ke1 Nh1-+) 16...Bg4!! (16...Bg4 17.Qg4 Nf2 18.Ke1 Ng4-+) 0–1. Lielmezs,Girts – Rossetti,Mario, IECG, 2003.

8.Qh4 Nec6-/+ 9.Qe4 Bf5 10.Qc4 Qe7 11.a3 Bc5 12.Nc3 Nd7 13.Nd5 -/+-

8.Qh4 Qd6 9.Qe4 (9.a3 Bc5 10.Nc3 Nf5 11.Qe4 Nd4 12.Nf3-/+; 9.c3 Bc5 10.Qe4 Nbc6 11.Qc4 Bf5 12.Ne2-+; 9.Bc3 Bc3 10.Nc3 f5 11.Nge2 Na6 12.Rd1-+) 9...Nbc6 10.Qc4 Kd8 11.Qf7 Bf5 12.Ne2-/+.

8.Qh4 Nf5 9.Qe4 (9.Ba4 c6 10.Qe4 Bc5 11.Bb3 Nd4 12.Bd4-+) 9...Nc6 10.Nf3 Nd6 11.Qe2 Bg4 12.h3-/+.

8.Qh4 Rf8 9.a3 (9.Qe4 Nbc6 10.Nf3 Bf5 11.Qe2 Qd7 12.a3-/+; 9.Ne2 Nbc6 10.Qe4 Bf5 11.Qh4 h5 12.a3-/+; 9.Bc3 Bc5 10.Qe4 Nbc6 11.Qc4 Qd6 12.Ne2-/+; 9.Ba3 Ba3 10.Na3 Qd4 11.c3 Qd6 12.Nc4-+) 9...Bc5 10.Qe4 Nbc6 11.Nf3 Bf5 12.Qe2-/+.

8.Qg7 Rf8

9.a3 Bc5 10.Qh7 Nbc6 11.Ne2 Na5 12.Ba2-+.

9.Bc3 Nbc6 10.Bb4 Nb4 11.Nc3 Bf5 12.Qh7-+.

9.Nc3 Bc3 10.Bc3 Nbc6 11.f3 ef3 12.Nf3 Qd6 13.0-0 Bf5 14.Nh4 Be6 15.Rf6 Rf6 16.Qf6 Bb3 17.Qd6 cd6 18.ab3 Nd5 19.Bb2 Ke7 20.Nf3 Ndb4 21.Ne1 Rf8 22.g3 Ke6 23.c3 Nd5 24.Kg2 b5 25.Nf3 h6 26.Re1 Kd7 27.d3 a6 28.h3 Kc7 29.Kf2 a5 30.Ra1 Kd7 31.Ke2 Nde7 32.c4 bc4 33.dc4 Rb8 34.Nd2 ½–½. Wlasow,Andrey (2220) – Naasen,Nils (1915), IECG, 2004.

9.Nc3 Bf5 10.Nge2 Qd7 11.Ng3 Bc3 12.Bc3-/+

9.Nc3 Bf5 10.f3 (10.Nge2 Qd7-/+) 10...ef3 11.Nf3 g5 12.0-0 Nbc6 13.Rae1 Qd7 14.Ne4 0-0-0 (better is 14...Be4!? 15.Re4 Nf5 16.Qd7 Kd7-+) 15.Nf6-/+ Qd6 16.Ne4 Be4 17.Re4 The pressure on the isolated pawn grows 17...Bc5 18.Kh1 Ng6 19.Qh7 Nh4 20.d3 Nd4 21.Bd4 Bd4 22.Qh5 Qe7 23.Ree1 ½–½. Wlasow,Andrey (2220) – Sijses,Wim, IECG, 2004.

9.Ne2 Nbc6 10.Qh7 Qd6 11.a3 Ba5 12.Nbc3 Bf5 13.Ng3 0-0-0 14.Nce4 (14.Rd1 Rh8 15.Qf7 Bc3 16.Bc3 Kb8-/+) 14...Bd2 15.Kf1 White gets strong initiative 15...Be4 16.Ne4 Qd7 17.Nc5 Qd6 (17...Qe8 18.Be6 Kb8 19.Qh3-/+) 18.Ne6 (18.Ne4 Qd7 19.Nc5 Qe8+=) 18...Rh8 19.Qf7 Rde8 (19...Rd7 20.Qf6 Re8 21.Qf7=) 20.Rd1 Nd5?? (20...Na5 21.Qf6 Nb3 22.cb3 Qd3 23.Kg1 Qc2-+) 21.Bd5+- Bg5 (21...Ne7 22.Nc7 Qc7 23.Be6 Kb8 24.Rd2+-) 22.Ng7 Nd8 (22...Re7 23.Be6 Kb8 24.Rd6 Rf7 25.Bf7 cd6 26.Ne6+- (26.Bg6?! Rg8+-)) 23.Ne8 Nf7 24.Nd6 Nd6 25.g3 Nf5 (25...e4 26.f4 ef3 27.Kf2+-) 26.h4 Rh7 (26...Bh6 27.h5 Ne7 28.Be6 Kb8+-) 27.Be6 Rd7 28.hg5 Nd6 29.Rh8 (29.Rh8 Ne8 30.Re8) 1–0. Kuhlmann,Antonius Egidius J – Norman,Ron, corr ICCF TT–4–90–12, 1990.

9.Ne2 Nd7 10.Qh7 Nc5 11.0-0 Qd6 12.Ng3-/+.

9.Qh7 Nbc6 10.Ne2 Nd4 11.Nd4 ed4 12.0-0 (12.a3 Bc5-/+) 12...a5 (12...Bf5 13.Re1-/+) 13.a3 Bc5 14.d3 e3 15.fe3 (15.Qh4 Nf5 16.Qg4 Qd6-/+) 15...de3 16.Kh1 (16.Re1 a4 17.Bc4 c6-/+) 16...e2 (16...Bd4 17.c3 e2 18.Re1+=) 17.Re1 Bg4 18.Qh4 (18.Nc3 Bf2-/+) 18...f5 (18...Qd7 19.Nc3 Bd4 20.Rab1-/+) 19.Bg7 Bd4 20.Bd4 (20.Bf8!? Ba1 21.h3+=) 20...Qd4-/+ 21.Re2 0-0-0 (21...g5 22.Re7 Ke7 23.Qg5 Kd7 24.c3 Qd3 25.Qd2 Qd2 26.Nd2-+) 22.c3 Qd3 23.Re1 Nd5 24.Ra2 Rh8 (24...Nc3 25.Rd2 Qd2 26.Nd2 Rd2 27.h3+=) 25.Qf2 Nc3 26.Rd2 Ne4 (26...Ne4 27.Qa7 Rh2 28.Kg1 Rg2 29.Rg2 Qb3 30.Qa8 Kd7 31.Qa5 Bh3-+) 0–1. Cornacchini,Gabriele – Williams,Derek, IECC, 1999.

9.Qh7 Nbc6 10.Ne2 Bg4 11.Ng3 Bf5 (11...Qd7!?-/+) 12.a3 Bc5 13.Nf5 gf5 The passed pawn on h2 will become decisive later 14.Be6 Qd6 15.Qh5 (better 15.Bf5!? Nf5 16.Qf5=+) 15...Kd8-+ 16.Bf5 Bf2 (16...Nf5?! 17.Qf5 Ne7 18.Qe4=) 17.Kf2 Decoy to f2 17...Qc5 18.Ke1 (18.Kg3 Qc2 19.Be4 Rg8 20.Kf2 Qb2 21.Nc3-+) 18...Qc2 19.Nc3 Nf5 20.Qf5 Qb2 21.Rb1 Qa3 22.Qe4 Kc8 (22...Rb8 23.g4-+) 23.Qf5 (better 23.Rf1-/+) 23...Kd8 (23...Kb8 24.Rf1-+) 24.h4?? (better 24.Qe4=) 24...b6 (24...Rb8 25.Ne2-+) 25.h5 (25.Qf3 Qd6-+) 25...Ne7 (25...Nd4 26.Qg6 Qd6 27.Nb5 Nb5 28.Rb5-+) 26.Qf3-/+ Kd7 (26...c6 27.g4-/+) 27.h6 Qd6 28.h7 f5 29.g4 e4 30.Qh3 Qd3 (30...Qe5 31.Rb4 c5 32.Ra4=+) 31.Qd3 (31.gf5!? Qh3 32.Rh3 Nf5 33.Ne4=+) 31...ed3-/+ 32.g5 Ng6 (32...Rh8 33.Rh3-/+) 33.Kf2 (33.Rh6 Rae8 34.Kd1 Re6=+) 33...Rh8 (better 33...Rf7!? 34.Nd5 Rh8 35.Nf6 Kd6=+) 34.Rh6 Ne5 35.Rg1 Ng4 36.Rg4 fg4 37.g6 a5 38.g7 c6 (better 38...Rh7! 39.Rh7 Rg8+=) 39.Ne4 Kc7 (better 39...Ke7 40.gh8R Rh8 41.Rc6 b5+-) 40.Nf6 (worse 40.gh8R Rh8 41.Ng5 b5+-) 40...Rh7 (40...a4 41.Ke3 a3+-) 41.Rh7 Kd6 42.Rh8 (42.Rh8 g3 43.Kg3 Rh8 44.gh8Q+- (44.gh8N?! c5+-)) 1–0. BeepBeepImAJeep (2265) – chessstrategy (2345), lichess.org, 2015.

9.Qh7 Bf5 10.c3 Bc5 11.Na3 Bf2 (11...Bf2 12.Kf1 e3-+) 0–1. Rabold,H – Wiik,J, corr ICCF WT–M–GT–15, 1985.

7.Bb3 Be6

8.a3 Bc5 9.Qg7 Rf8 10.Nc3 Bg8 11.Nd5 Nd5 12.ed5 Bd5 13.Qh7+=.

8.a3 Bd6 9.Qg7 Rf8 10.ed5 Bd5 11.Bd5 Nd5 12.Qh7 Ne7 13.h4+=.

8.Qg7 Kd7 9.Qf6 Rf8+= 10.Qe5 Nbc6 11.Qg5 Bc5 (11...de4 12.Be6 Ke6 13.a3+=) 12.Nf3+- de4 13.Be6 (13.Qc5?! ef3 14.gf3 Rf3=) 13...Ke6 14.Qg4 (14.Qc5?! ef3 15.g3 Qd6 16.Qc4 Kd7=+) 14...Nf5 (14...Kf7 15.Ng5 Ke8 16.Ne4+-) 15.Qe4 (15.Ng5 Kd7 16.Nh7 Rh8 17.Nf6 Kc8 18.Qg6 Ncd4 19.Bd4 Nd4 20.Qg4 Kb8 21.Nd7 Qd7 22.Qd7 Nc2 23.Ke2 Na1+-) 15...Kd7+- 16.0-0 Bd6 17.d4 (17.Nc3 Kc8+-) 17...Kc8 (17...Re8 18.Qd3 Kc8+-) 18.Ne5 (18.Re1 Bb4 19.c3 Bd6+-) 18...Be5 (better 18...Qe7!?=) 19.de5+- Re8 20.Nc3 (20.Re1 Qe7+-) 20...Qe7? Pawn e5, live or die! (better 20...Ne5 21.Rfd1 Nd6+=) 21.Nd5+- Qe6 22.f4 (22.f4 Rd8 23.Rad1+-) 1–0. BeepBeepImAJeep (2765) – The_Rule (1640), lichess.org, 2015.

8.Qg7+= Rf8 9.Qh7 Nbc6 10.Nc3 Bc3 11.dc3 Qd7 (11...Bg8 12.Qg7 Rf7 13.Qh6-/+) 12.0-0-0 0-0-0 (12...Bg8 13.Qh4+=) 13.ed5 Bf5 (13...Nd5!? 14.Qg6 Qe7+=) 14.Qg7 Qd6 15.Ne2 Na5 16.c4 Rh8 (16...g5 17.Ng3=) 17.Nc3 (17.f4 Nb3 18.ab3 Rhg8 19.fe5 Qc5 20.Qf6 Nd5+/-) 17...a6 18.Rd2 g5 (18...Rhg8!? 19.Qh6 Nb3 20.cb3 Kb8+=) 19.c5+= Qc5 d5 seems the pivot of the position 20.Qf6 Rhf8 (better is 20...Qd6!? 21.Qd6 cd6+= (worse is 21...Rd6 22.Re1+/-)) 21.Qe5+- b5 (21...Rfe8 22.Re1 g4 23.Na4+-) 22.Re1 Ng6 23.Qe3 Qd6 24.g3 (24.Qg5 Nb3 25.ab3 Qh2+-) 24...Rfe8? (better is 24...Nb3 25.ab3 b4+-) 25.Qe8 Re8 26.Re8 Kb7 27.Ne4 Be4 28.Re4 Ne7 29.Re6 Qd7 30.Re5 Nf5 31.Bc3 Nb3 32.ab3 Nd6 33.Ba5 (better is 33.f3 Qg7 34.Re3+-) 33...Qg7 34.Rde2 (better is 34.f4 Nf7 35.Bc3 Ne5 36.fe5+-) 34...b4?? (34...Nf7!? 35.f4 gf4 36.gf4 Ne5 37.fe5 Qg4+/-) 35.Bc7! Nf7 (35...Kc7 36.Re7 Double attack; 35...Qc7 36.Re7 Pinning (36.Re7 Decoy)) 36.Bd6! Ne5 (36...Nd6 37.Re7 Double attack) 37.Be5 Qf7 38.Rd2 a5 (38...g4 39.d6 Qd7 40.Rd4+-) 39.f4 (39.d6 Qd7+-) 39...a4 (39...g4+-) 40.ba4 gf4 41.Bf4 Qd7 42.d6 Qa4 43.Kb2 Qa3 44.Kb1 Qc3 (44...Ka7 45.d7 b3+-) 45.d7 Qd2 46.Bd2 Kc7 47.Bb4 Kd7 48.c4 Ke6 49.Kc2 Kf5 50.Kd3 (50.Kd3 Kg4 51.c5+-) 1–0. dinofan (1780) – eddy6310 (1735), gameknot.com, 2014.

8.Qg7 Rf8 9.Qh7 Nbc6 10.Nc3 Bc3 11.Bc3 Qd7 12.ed5 Bd5 (12...Nd5?! 13.Qg6 Bf7 14.Qd3+=) 13.Bd5 Qd5 (13...Nd5?! 14.Qg6 Rf7 15.Ne2=) 14.Nf3 (14.f3 0-0-0 15.Qh3 Kb8-/+) 14...0-0-0 (14...Qe4!? 15.Kd1 Qg4-+) 15.Qh3-/+ Kb8 16.0-0 Rh8 17.Qg3 Nf5 18.Qg4 (18.Qg6? e4 19.Ng5 Rh6-+ (19...fg5?! 20.Bh8 Rh8 21.Qf6-/+)) 18...Ncd4 (18...e4!? 19.Ne1 Rh4-/+) 19.Bd4=+ Nd4 20.Nd4 Qd4 21.Qd4 Rd4 22.d3 e4 (22...c5=+) 23.Rfd1 (better 23.de4!? Re4 24.Rfe1=+) 23...Rhd8-/+ 24.Re1 ed3 25.cd3 Rd3 26.h3 Rd2 (26...c5 27.Rac1 b6 28.Re6-+) 27.Re6-/+ Rf8 (27...R2d6 28.Re7-/+) 28.Rae1 Kc8 29.R1e2 (29.a3 Rd3 30.a4 Rd4-/+) 29...Rd1 (29...Re2 30.Re2 c5 31.Re7-/+) 30.Kh2 Rd5 31.Re8 (31.Kg3 c5-/+) 31...Re8 32.Re8 Kd7 33.Re2 (33.Rf8 f5-/+) 33...Rf5 (33...b5 34.Re3-+) 34.g4 Ra5 35.Kg3 g5 36.f3 Ra3 37.Rd2 (37.Rf2 c5-/+) 37...Ke7 (37...Ke6 38.Re2 Kd5 39.Rd2 Ke5 40.Rc2-+) 38.h4 (better 38.Rf2!?-/+) 38...gh4-+ 39.Kf4 (39.Kf4 c6 40.Rh2-+). BeepBeepImAJeep (2570) – harrycane (1815), lichess.org, 2017.

8.Qg7+= Rf8 9.Qh7 Nbc6 10.Nc3 Bg8 11.Qg7 d4 12.Nd5 Nd5 13.ed5+=.

8.Qg7+= Rf8 9.Qh7 Qd6 10.a3 Bc5 11.Nc3 c6 12.ed5 cd5 13.Na4+=.

8.Qg7 Rg8 9.Qf6 Qd6 (9...Qd7 10.Nf3 Rf8 11.Qg7+=) 10.Nc3 (better 10.Be5!? Qd7 11.c3+/-) 10...Bc3 11.Bc3 Nbc6 12.Nf3 Pawn e5, live or die! 12...Rf8 (worse 12...de4 13.Qe6 (worse 13.Be6 Rf8 14.Bf7 Rf7 15.Qd6 cd6=+) 13...Qe6 14.Be6 ef3 15.Bg8 fg2 16.Rg1 Ng8 17.Rg2+=) 13.Qh4 (13.Qg7 d4 14.Bb2 Bb3 15.ab3 h5=) 13...de4 (13...Rf4 14.Qh7 Re4 15.Kd1=+) 14.Ng5= (worse 14.Qe4 Rf4 15.Qd3 Qd3 16.cd3 Bb3 17.ab3 Nb4=+) 14...Bb3 15.ab3 Nd4 (15...Qf6!? 16.Qg3 e3 17.de3 Nf5=) 16.Qe4+= Nec6 17.0-0 (worse 17.Nh7 Rf4 18.Qd3 e4-+) 17...Rf4 18.Qd3 0-0-0 19.Ne4 (19.Bd4 Rd4 20.Qe3 Qf6+=) 19...Qd5 (19...Qf8 20.Bd4 Rd4 21.Qh3 Qf5 22.d3 Qh3 23.gh3-/+) 20.Rfe1 (20.Qh3 Qd7 21.Qd7 Rd7 22.Bd4 ed4=) 20...Rdf8 (20...Qf7!? 21.Bd4 Rd4 22.Qh3 Qf5=+) 21.f3 g5 22.Bd4 ed4 23.c4 Qf5 Black prepares g4 24.b4 (24.Nf2 Qd3 25.Nd3 R4f5=) 24...Nb4 (24...g4!? 25.fg4 Qg4=) 25.Qd4+= Nc2 (25...Nc6 26.Qe3+=) 26.Qa7+/- Ne1 27.Re1 g4?? (better 27...b6 28.c5 Re4 29.Qa8 Kd7 30.Qe4 Qe4 31.Re4 b5+=) 28.Nc5+- Qc5 29.Qc5 gf3 (29...R4f5 30.Re8! Re8 31.Qf5 Kd8 32.Qg4+-) 30.gf3 (30.Re7 f2 31.Kf1 c6 32.Qd6 Rc4 33.Qc7) 30...Rf3+- 31.Qe5 (31.Ra1 Kb8+-) 31...Rg8 32.Kh1 Rgf8 33.d4 Kb8 (33...R3f7 34.d5 Kb8 35.d6+-) 34.d5 (34.Qh5 R3f7+-) 34...R3f5 35.Qe4 (35.Qe6 h5+-) 35...h5 36.c5 Rf4 37.Qe5 White plans d6 (37.Qe2 R4f5 38.c6 Rd5+-) 37...h4 (37...R4f5 38.Qe6 R5f6 39.Qd7 Rf1 40.Rf1 Rf1 41.Kg2+-) 38.d6 (better 38.c6 Rf1 39.Rf1 Rf1 40.Kg2+-) 38...cd6 (38...h3 39.Rg1 R4f7 40.c6 bc6 41.Rb1 Kc8 42.Qe6 Rd7 43.dc7 Kc7 44.Qe5 Rd6 45.Qe7 Rd7 46.Qf8+-) 39.cd6 (39.Qd6 Kc8 40.c6 Rf1 41.Rf1 Rf1 42.Kg2 Rf7 43.Qe6 Kc7 44.Qf7 Kc6 45.Qc4 Kb6 46.Qh4 Kb5+-) 39...R4f5 40.Qe7 h3 (40...R5f7 41.Qh4 Rf1 42.Rf1 Rf1 43.Kg2 Rd1 44.Qd8 Ka7+-) 41.Qc7 Ka7 42.Ra1 (42.Ra1 Ra5 43.Ra5) 1-0. pacal56 (2170) - mecker (2155), Rated Blitz game, lichess.org, 2014.

8.Qg7 Rg8 9.Qh7 c6 10.Nc3 Bc3 (10...Qd6 11.ed5 cd5 12.a3 Bc3 13.Bc3=+) 11.Bc3 Nd7 12.0-0-0 (12.Ne2 a5 13.a3 Nc5 14.ed5 cd5=+ (14...Nb3?? 15.de6 Rf8 16.cb3+-)) 12...Nc5 (12...a5 13.ed5 cd5 14.a3-/+) 13.ed5 Nb3 14.ab3 Nd5 (14...cd5 15.d4 Qc7 16.Bb4=+) 15.Bb2 (15.Qb7 Qc8 16.Qc8 Rc8 17.Ne2+=) 15...Qb6=+ 16.Qh4 0-0-0 17.Ne2 (17.d4 Qb4 18.Qg3 ed4-+) 17...g5-/+ 18.Qg3 Bf5 19.h4? (19.d4 e4=+) 19...g4 (better 19...gh4!? 20.Qh4 Rg4-+) 20.Nc3 (20.d4 e4=) 20...Nb4 (20...Nf4!? 21.h5 Rh8=+) 21.d3= Qc5 22.Rd2 b5 (22...Qa5 23.h5=) 23.Kb1 (23.Qe3 Qe7+=) 23...Kb7 (23...Nc2 24.Kc2 b4 25.Qe3=) 24.h5 (24.Qe3!? Qf8 25.f4+=) 24...Rd7 25.h6 Rh7 (25...Nc2 26.Kc2 (26.Rc2? Rd3 27.Ne4 Be4 28.Rc5 Rg3 29.Ka1 Rg2-+) 26...b4 27.Rh5-/+) 26.f3 (26.Ne4 Be4 27.de4 Na6+/-) 26...Qe3 (26...Qf8!?=) 27.Re2+= Qg5 28.Bc1 Qg6 29.f4 (29.Ne4 Nd5 30.Kb2 gf3 31.Qg6 Rg6 32.gf3 Kc7+=) 29...ef4 (29...Nd3 30.cd3 Bd3 31.Ka1 Be2 32.Ne2=+) 30.Qf4 Nd3 31.cd3 Bd3 32.Kb2 Be2 33.Ne2 Qd3 (33...Rd8 34.Ng3+=) 34.Nc3+/- b4? (34...Qg6+/-) 35.Na4?? (better 35.Qb4 Ka8 36.Rd1+-) 35...Qe2= 36.Bd2 (36.Kb1 Qg2 37.Nc5 Ka8+=) 36...Rd8 37.Qb4 Ka8 38.Kc2 (38.Kc1 Qg2 39.Re1 Rb8=) 38...Rhd7 39.Rd1 Qd3 (better 39...Rd4 40.Qc3 Qg2=+) 40.Kc1+/- Rd4 41.Qc3 Qb5 42.Kc2 (42.Nc5 Qe2+/-) 42...Rd3 (better 42...Qd5!? 43.Nc5 Qg2=) 43.Qc4+/- f5 (43...Rg3 44.Rg1 Qf5 45.Kc1+/-) 44.Qb5 (44.Nc5 Rb3 45.Qb3 Qc5 46.Bc3 Rd1 47.Kd1 Qg1 48.Be1 Qd4 49.Bd2 Qg1 50.Kc2 Qg2+-) 44...cb5+/- 45.Nb2 (better 45.Nc3+/-) 45...R3d7?? (45...Rg3 46.Rg1 Rc8 47.Kb1 Rb3 48.Ka2+/-) 46.Bg5 (better 46.Bc3+-) 46...Rd1 (46...Rc7 47.Kb1 Rd1 48.Nd1+-) 47.Nd1 Rd7 48.Ne3 Kb7 (48...Rf7 49.Kc3+-) 49.Nf5 Kc6 (49...Rh7 50.b4+-) 50.Ng7 (better 50.Ne7 Kd6 51.h7 Re7 52.Be7 Ke7 53.h8Q+-) 50...Rg7 (50...Rc7+-) 51.Bf4 (51.hg7 Kd7 52.g8Q a6 53.Qd5 Kc7 54.Bf4 Kb6 55.Qd6 Kb7 56.Qc7 Ka8 57.Qb8) 51...Rh7 52.Bg5 (52.b4!?-/+) 52...Kd5 53.Bf4 Ke4 54.g3 Kf5 (54...a5 55.Kb2-+) 55.Kc3 (55.b4!? Kg6 56.Kd2 Rd7 57.Kc2 Rd4-+) 55...Kg6 56.Kb4 (better 56.b4-+) 56...Kf5?? (better 56...Rf7 57.Bd6 a6-+ (57...Kh6?! 58.Kb5 a6 59.Kc6-+)) 57.Kb5 (57.Kc3 a5 58.Kd4-+) 57...Rf7 58.Ka6 (58.Kc4-/+) 58...Rh7 59.Ka5 (better 59.Kb5=) 59...Rg7?? (better 59...Kg6!?-+) 60.b4 (60.hg7 Ke6 61.g8Q Kf6 62.Qf8 Ke6 63.Ka6 Kd5 64.Qf5 Kd4 65.Qc2 Kd5 66.Qc4) 60...Rf7=+ 61.b5 1-0. pacal56 (2230) - mecker (2235), Rated Blitz game, lichess.org, 2014.

7.Bb3 Kf7

8.ed5 Nd5-/+ 9.Nc3 Be6 10.Nge2 Nc6 11.0-0-0 (11.f4 Bc3 12.Bc3 Nc3 13.Be6 Ke6 14.Qh3 Kf7 15.Qc3 Qd5+=) 11...Bf8 12.Qh4 f5 13.Qg3 Bg7 (13...Nc3 14.Be6 Ke6 15.Qc3+=) 14.d4 (14.Nd5!? Bd5 15.d4+=) 14...Nc3-/+ 15.Be6 Ke6 16.Bc3 Nd4 17.Nd4 (17.Rhe1!? Kf7 18.Bd4 ed4 19.Qb3 Kf8 20.Qb4 Qd6 21.Qd6 cd6 22.Nd4+=) 17...ed4-/+ 18.Rhe1 Kf7 19.Bb2 (19.Qd3 Qd5 (19...dc3? 20.Qc4 Kf8 21.Rd8 Rd8 22.Qc7+-) 20.Bd4 Bd4 (20...Qa2 21.Bg7 Rhd8 22.Qc3 Rd1 23.Rd1+-) 21.Qd4 Qd4 (21...Qa2 22.Qd7 Kg8 23.Re8 Re8 24.Qe8 Kg7 25.Qe5 Kh6 26.Rd3 Qa1 27.Qa1+-; 21...Qg2 22.Qd7 Kf8 23.Qe7 Kg8 24.Rd7 Qg5 25.Qg5 h6 26.Qg6 Kf8 27.Qg7) 22.Rd4 Rad8-/+) 19...b6 20.Qf4 (20.Qb3!? Kf8 21.Kb1-+) 20...c5-+ 21.Kb1 (21.c3 Qd5-+) 21...Qb8 (21...Re8 22.h4-+) 22.Qf3 Rd8 (22...Qh2 23.Qb7 Qc7 24.Qc7 Kg8 25.Qc6+-) 23.g4 (23.h4 h5-+) 23...Qc8 (23...Qh2?! 24.gf5 g5 25.Re4-/+) 24.gf5 (24.h4 Kg8 25.g5 Qd7-+) 24...Qf5 25.Qb7 (25.Qf5 gf5 26.Bc1 Rg8-+) 25...Qd7 26.Qf3 (26.Qa6 Kg8-+) 26...Kg8 27.Re4 (27.Qb3 Kh8-+) 27...Rf8 28.Qe2 (28.Qb3 Kh8-+) 28...Qf7 29.Rf1 (29.f4 Rae8-+) 29...Rae8 30.f4 Re4 31.Qe4 Re8 (31...a6 32.Qc6-+) 32.Qf3 Re3 (32...Qf5 33.Rg1-+) 33.Qa8 Bf8 34.Qg2 (34.f5 Re2-+) 34...Qc4 Black prepares d3 35.Qg1 (35.Rc1-+) 35...Re2 36.Rc1 d3 37.cd3 (37.Qh1-+) 37...Qd3 38.Ka1 Rb2! (38...Rb2 39.Qh1 Rb4 40.Qe4 Bg7 41.Qe5 Qd4 42.Qd4 Bd4 43.Rc3 Bc3) 0–1. Trip – Trokenheim,Marek, email SOK–99–E006B, 1999.

8.Qe3 Nbc6 9.f4 Ke8 10.fe5 fe5 11.Nf3-/+.

8.Qe3 Be6 9.c3 (9.f4 Nd7+=) 9...Ba5 (9...Bd6 10.d4-/+) 10.f4 (10.Nf3 Nbc6-/+) 10...Nd7 (10...Bb6 11.d4 ed4 12.cd4-/+) 11.Nf3 Bb6 12.d4 ed4 13.cd4 c5 14.e5 (14.Nc3 c4 15.Ba4 Re8-/+) 14...Nf5 15.Qf2 (15.Qd2 cd4 16.Nd4 Bd4 17.Bd4 fe5-+) 15...fe5 (15...cd4 16.Nd4 fe5 17.fe5 Ne5 18.Ke2-+) 16.fe5 (16.Ng5 Ke7 17.dc5 Nc5-+) 16...Kg7 17.0-0 Rf8 18.Ba3 Nd4 19.Nd4 cd4 (19...Qe8 20.Qg3 Rf1 21.Kf1 cd4 22.Qf4-+) 20.Bf8-/+ Qf8 21.Qf8 (21.Qe1 Qb8-/+) 21...Rf8-+ 22.Rf8 Kf8 (22...Nf8?! 23.Nd2 d3 24.Kf1-/+) 23.Nd2 Ne5 24.Re1 Bc7 25.Rf1 (25.Kf1 Ke7-+) 25...Ke7 26.h3 (26.Nf3 b5-+) 26...Ba5 (26...d3 27.Rd1-+) 27.Nf3 Nf3 (27...Nc4 28.Ng5-+) 28.Rf3 Bc3 29.Kf2 a5 30.Ke2 (30.a4 Bd7-+) 30...b5 31.Bc2 a4 (31...b4 32.Kd1-+) 32.Rf1 (32.g4 Bd7-+) 32...Bd7 (32...d3 33.Bd3 b4 34.Rf4-+) 33.Bd3 (33.Rf4 Be8-+) 33...b4 34.Rf4 (34.Kd1 a3-+) 34...b3 (34...a3 35.Bb1-+) 35.ab3 ab3 36.Rh4 b2 (better is 36...h5-+) 37.Rh7-/+ Ke6 38.Rd7 Kd7 ½–½. Heller – Merkl, corr, 1985.

8.Nf3 Be6 9.Ne5 (9.Be5 fe5 (9...de4?? 10.Ng5 Ke8 11.Ne6+-) 10.Ng5 Kf6 11.Nh7 Rh7 12.Qh7 Nbc6+= (worse is 12...de4 13.Qh4 Kf7 14.Qe4 Bb3 15.ab3=)) 9...fe5-/+ 10.Be5 Qf8 (10...Rf8 11.c3 Bd6 12.Qh7 Ke8 13.Bg7-/+) 11.Qf4 (11.Qg5!? Ke8 12.c3+=) 11...Ke8-/+ 12.Qh4 Nbc6 (12...g5 13.Qh5 Bf7 14.Qe2+=) 13.Bh8+= Qh8 14.c3 Qe5 (14...Bd6 15.0-0+=) 15.0-0 Bd6 16.ed5 Bd5 17.Qh7 (17.Bd5 Nd5 18.Qh7 Nf4=) 17...Bb3 (17...Kd7 18.Qh3 Qf5 19.Qf5 gf5 20.d4=) 18.ab3 Kd7 19.Qh3 Nf5 20.d4 Qf6 21.g3 (21.Qg4 Rh8 22.h3 Qe6+=) 21...Rh8= 22.Qg2 Qf7 (22...a6 23.Re1=) 23.Nd2 a6 24.f4?? (better is 24.Rfe1+=) 24...Ne3-/+ 25.Qf3 Nf1 26.Qg4 Kd8 27.Rf1 Qe8 28.Nc4 Qe4 29.Qf3 (29.Qd1 Be7-/+) 29...Qc2-+ 30.Rf2 Qb3 31.Qd3 Re8 (31...Bb4 32.d5 Ne7 33.Ne5 Qc3 34.Nf7 Kd7 35.Qc3 Bc3 36.Nh8 Bh8 37.Rd2-+) 32.Nd6 (32.Rb2 Nb4! 33.Rb3 Nd3 34.Nd6 cd6 35.Rb7 Re1 36.Kg2 Rc1-/+) 32...Re1 (32...cd6!? 33.Qg6 Re1 34.Rf1 Qc3 35.Qd6 Kc8 36.Qf8 Kc7 37.Qf7 Re7-+) 33.Rf1-/+ Rf1 34.Kf1 cd6 35.Qg6 Qd5 (35...d5 36.Qd6 Ke8 37.Qg6 Ke7 38.Qg7 Kd8 39.Qh8 Kc7 40.Qh7 Kb8-+) 36.h4 (36.Kf2!?+=) 36...Ne7 (36...Qf3 37.Kg1 Qc3 38.Qd6 Kc8 39.Qe6 Kc7 40.Kg2 Qd4 41.h5-+) 37.Qf6 (37.Qd3 Qf5 38.Ke2 Qh3-/+) 37...Qf3-+ 38.Ke1 Qg3 39.Kd2 Qg2 40.Kd3 Qg6 (40...Qg6 41.Qg6 Ng6-+) 0–1. Richter – Gross,Wilhelm, corr, 1988.

8.f4 Nbc6+=.

7.ed5?? Nd5

8.a3 Bf8 9.Qh4 Be6 10.Ne2 Nc6 11.0-0 g5 (11...Be7 12.d4-/+) 12.Qg3 (12.Qh5 Ke7=+) 12...Qe7 (12...Nf4 13.Bb5-/+) 13.h3 (13.Bb5 Qf7-/+) 13...0-0-0 (13...Nf4 14.Bd3-+) 14.Bd5 (14.Nbc3 Nc3 15.Be6 Qe6 16.Bc3 h5-+) 14...Bd5 15.d3 f5 (15...Be6 16.Nbc3-+) 16.Nd2 f4 17.Qh2 h5 18.Nc3 g4 (18...Be6!? 19.Rfe1-+) 19.Nd5-/+ Rd5 20.Ne4 (20.hg4 Rh6 21.g5 Qg5-/+) 20...gh3 (20...Qg7 21.Kh1-/+) 21.Qh3 Kb8 22.g3 (22.Rfe1 Qg7-/+) 22...Bh6 (22...Nd4 23.Bd4 ed4 24.Rab1-+) 23.Rfe1 (23.Qh4 Qh4 24.gh4 f3-/+) 23...f3 (better 23...fg3 24.fg3 Nd4 25.Bd4 ed4-+) 24.g4? (better 24.Qf5-/+) 24...hg4-+ 25.Qg4 Qf7 26.Ng5 (26.Ng5 Bg5 27.Re4-+). EvgeniyR (1750) - tournament_lover, Hourly Bullet Arena, lichess.org, 2020.

8.Qg7-/+ Rf8

9.Nc3 Nc3-+ 10.dc3 Be7 (better 10...Qe7!? 11.Qe7 Be7-+) 11.Rd1 Bd7 (better 11...Bd6 12.Qh7 Bf5=+) 12.Qh7+/- Qc8 13.Qg6 Kd8 14.Nf3 Nc6 (14...c6+/-) 15.0-0 (15.Bc1 b5 16.Bb5 Qb7+-) 15...b6 (15...Bd6 16.Bc1 Ne7 17.Qh7+/-) 16.Be6 (16.Bd5 Bd6 17.Qg7+-) 16...Nb8? (16...Bd6 17.Qh6 Ke8 18.Bd5+/-) 17.c4 (better 17.Qe4 Ke8 18.Qa8 Be6 19.Rfe1+-) 17...a5?? (17...Bd6 18.Bd5 c6 19.Bf7+/-) 18.Rd2 (18.Be5 Ra6 19.Nd4 b5 20.cb5 fe5 21.Nc6 Rc6 22.bc6 Nc6 23.Bd7 Qd7 24.Rd7 Kd7 25.Qg4 Kd8 26.Rd1 Bd6+-) 18...Qb7? (better 18...Bd6!? 19.Bf7 Ke7+-) 19.Rfd1 (better 19.Qg7+-) 19...Kc8?? (19...Bd6 20.Qg7 Ke8 21.Be5 fe5 22.Ne5 Be6 23.Rd6 cd6 24.Qb7 de5+-) 20.Bd7 Nd7 21.Rd7 Bd6 (21...Bc5 22.Qf6! Kb8 (22...Rf6?? 23.Rd8) 23.Qe5 a4+-) 22.Ba3! Kd7 (22...Ba3 23.Qd3 Decoy) 23.Qg7 (better 23.Bd6 cd6 24.Qg7 Kc6 25.Rd6 Kd6 26.Qb7+-) 23...Kc8?? (23...Kc6 24.Bd6 Rad8 25.Qf8 Rf8 26.Bf8 Qc8+-) 24.Bd6 (24.Bd6 Rd8 25.Qf6+-) 1-0. EvgeniyR - Rafaelo1, Rated Blitz game, lichess.org, 2019.

9.Bd5 Qd5 10.Nf3 Qe4 11.Kd1 Bg4 12.Re1 Bf3 13.gf3 Qf3 14.Re2 Nd7 (14...Nc6 15.Qh7 0-0-0 16.c3-+) 15.a3 (15.Qh7 0-0-0 16.Qh4 Bc5-+) 15...Ba5 16.Bc3 (16.Qh7 0-0-0 17.Qh4 Rh8-+) 16...Bc3 17.Nc3 0-0-0 (17...Qh1 18.Re1 Qh2 19.Nb5-+) 18.Qh7 (18.Qh6 Nb6 19.d3 f5 20.Qh7 Qc6-+) 18...Nb6 (better 18...Rh8 19.Qf7 Rh2-+) 19.Qg6 (19.Kc1 Nd5 20.Nd5 Rd5 21.Re1 Qf2 22.Rd1-+) 19...Qc3 (19...Rg8 20.Qg8 Rg8 21.Kc1-+) 20.Rb1 (20.Ra2 Nc4 21.Kc1 Rd2-+) 20...Nc4 21.Qf5 Kb8 22.d3 (22.Ke1 Nd2 23.Rd2 Qd2 24.Kf1 Qd5-+) 22...Na3 (22...Rg8 23.Qg5 Rg5 24.Rb7 Kb7 25.Re5 Qd2) 23.Rb3 (23.Rb7 Kb7 24.Qe4 Kb8 25.Rd2 Qa1 26.Ke2-+) 23...Qa1 24.Kd2 (24.Rb1 Qb1 25.Kd2 Nc4 26.Kc3 Qb2 27.Kc4 Rd4 28.Kc5 Qb4) 24...Nb1 (24...Nc4!) 25.Ke3 (25.Rb1 Qb1 26.Re4 Rd4-+) 25...Qd4 (25...Nc3 26.Rc3 Qc3 27.f3-+) 26.Kf3 Nc3 27.Re3 Nd5 (27...Qd5 28.Re4 Ne4 29.Qe4-+) 28.Re4 (28.Qe4 c5 29.Qd4 cd4-+) 28...Qc5 (better 28...Qa1 29.Rg4-+) 29.Rc4 Qd6 30.Qe4 (30.Kg2 Rh8-+) 30...f5 31.Qe3 (31.Qe1 e4! 32.Ke2 ed3 33.Kd1 d2-+) 31...Nb6 (better 31...e4 32.Ke2 Ne3 33.Ke3 Qe6 34.Rb7 Kb7 35.Rb4 Kc8-+) 32.Rcb4 Qc6 33.Ke2 Qc2 34.Kf3 (34.Qd2 Qd2 35.Kd2-+) 34...e4 (better 34...Qd1 35.Kg2 Rg8 36.Qg3-+) 35.de4 fe4 36.Kg3 Rf3 (36...Rf2 37.Rb5 Rg8 38.Qg5 Rg2 39.Kf4 Qc1 40.Re3 Qf1 41.Rf3 Qf3 42.Ke5 R2g5 43.Kd4 Qd3) 37.Qf3 ef3 38.Rf3 Qg6 (better 38...Nc4 39.h4 Qg6 40.Kh3 Qe6 41.Kh2 Qd6 42.Rg3 Qb4 43.Kh3-+) 39.Kf4 (39.Rg4 Qd6 40.Kg2-+) 39…Nd5 (39...Nd5 40.Ke5 Qg5 41.Ke4 Qg4 42.Ke5 Re8 43.Kd5 c6 44.Kc5 Re5 45.Kd6 Qe6; 39...Qd6 40.Kg4 Rg8 41.Kf5 Rf8 42.Kg4 Qe6 43.Kh4 Rh8 44.Kg5 Rg8 45.Kh5 Qe5 46.Kh6 Qh8) 0-1. Whiteowl - tornadovb (1815), Rated Blitz game, lichess.org, 2013.

9.Qh7 Ne7 10.a3 (10.Bd3 Bf5 11.Bf5 gf5=) 10...Bd6 11.Nf3 Bf5 12.d3 Nbc6 13.Nbd2 Qd7 14.0-0 (14.Rb1 0-0-0=) 14...0-0-0 (14...Na5 15.Rfb1+=) 15.Ne4= Be4 16.de4 Rh8 (16...Na5 17.Bf7=) 17.Qg7 Rdf8 18.Rfd1 (18.Rad1 Nd8 19.Bc1 Ne6 20.Be6 Qe6-+) 18...Nd8 19.Rd3?? (better is 19.h3=) 19...Ne6-+ 20.Be6 Qe6 0–1. Wall,Bill – Fercho, internet, 2005.

9.Qh7 Bf5

10.Bb3 Nf4=.

10.c3 Ba5 11.Ba3 Ne7 12.Ne2 Nbc6 13.Ng3 (13.h4 Qd7 14.Bb5 Rd8=) 13...Bd3+= 14.Bb3 (14.Bd3!? Qd3 15.h4+=) 14...Qd7-/+ 15.Ba4 b5 16.Bd1 0-0-0 17.Qh4?? (17.Bc1 f5-/+) 17...Bb6 (better is 17...Bb1 18.0-0 Bd3-+) 18.Be2? (better is 18.Qg4-/+) 18...Rh8 (18...Rh8 19.Qg4 Bf5 20.Nf5 gf5-+ (worse is 20...Qf5 21.Qf5 Nf5 22.Bb5+=)) 0–1. Zaichenko,Andrey – Cridland,Graham, FICGS, 2008.

10.Bd5? Qd5-+ 11.Qc7?? (better 11.f3 Bc2 12.Nc3-+) 11...Qg2 12.Qc8 (12.Nc3 Qh1 13.0-0-0-+) 12…Bc8 (12...Bc8 13.Nc3 Bc3 14.Bc3 Qe4 15.Kf1 Qh1-+) 0-1. Whiteowl - Teleolog (1635), Rated Blitz game, lichess.org, 2014.

10.Nf3 Nb6 11.Bb3 Qd7 12.Qh6 (12.Qd7 N8d7 13.a3 Ba5=+) 12...Nc6 13.0-0 (13.a3!? Ba5 14.Nh4=+) 13...0-0-0-/+ 14.Qe3 Nd5 15.Qe1 Nf4 16.Nc3? (16.a3 Bh3! 17.Nh4 Ng2 18.Ng2-+) 16...Rh8 (16...Bh3 17.Nh4 Rh8 18.gh3 Rh4 19.f3 Bc5 20.Kh1 Qh3 21.Be6 Ne6 22.Rf2-+) 17.Ne2? (17.Qe3 Bh3! A) 18.gh3?? Bc3 19.Ne5 Be5 (19...Bb2? 20.Nd7 Nh3 21.Kh1+-; worse 19...Ne5 20.Bc3 Qf5 21.Rae1-+; 19...fe5?! 20.Bc3 Rh3 21.f3-+) 20.Be5 fe5-+ (20...Ne5?! 21.Qf4 Rh3 22.Rfe1-+); B) 18.Ne1 Bc3 19.Bc3 Bg2 20.Ng2-+) 17...g5 (better 17...Ng2 18.Qb1 Be4 19.Ne5 Ne5-+) 18.Nf4-/+ gf4 (18...ef4?! 19.Bf6 g4 20.Nh4 (worse 20.Bd8 gf3 21.Bf6 Rh6-/+; worse 20.Bh8 gf3 21.Bc3 fg2 22.Kg2 Re8-/+) 20...Bd2 21.Qd1+=) 19.Qe2 (19.a3 Ba5 (19...Bd2?! 20.Nd2 Qd2 21.Qd2 Rd2 22.Rfd1-/+) 20.Ba4 Bh3-+) 19...Bg4 (19...e4 20.Bf6 ef3 21.Qf3 Qh7-+ (21...Qd2? 22.Rfd1 Rhf8 23.Rd2 Rd2 24.Bg7+-)) 20.h3? (better 20.c3 Bc5 21.Bc2-/+) 20...Bh3! 21.gh3 (21.Ne1 Bg4 22.Qe4-+) 21...Qh3 22.Ne5 Qh1 (22...Qh2) 0-1. Knight286 (2130) - catur1234 (2250), Rated Blitz game, lichess.org, 2016.

10.Nf3 Bc2!? 11.a3 Ba5-/+.

7.ed5?? Nf5

8.Bb5 c6 9.Qh3 cb5 10.Qb3-+.

8.Qg7 Ng7 0–1. Administrator – GNUChess, 2000.

8.Qh3 Nd4

9.Qg3 Nc2 10.Kd1 Bf5 (10...Na1 11.Ba1 Nd7 12.d4-+) 11.a3 (11.Be5 Na1 (11...fe5?! 12.Qe5 Be7 13.Qh8 Kd7 14.Qb2 Na1 15.Qb7+=) 12.Ba1 Bb1-+) 11...Bd6 (better is 11...Na1 12.ab4 Bb1 13.Ba1-+) 12.Ra2 Nd7 13.d3 (13.Ne2 Nd4 14.Nbc3 Nb6-+) 13...e4 14.f4 (14.Qh4 ed3 15.Nf3-+) 14...ef3! 15.Qf3 (15.Nf3 Ne3 Double attack; 15.gf3 Ne3 Double attack; 15.Qf3 Bg4 Pinning (15...Bg4 Decoy)) 15...Bg4!! 16.Kc2 (16.Qg4 Ne3 Double attack (16...Ne3 Decoy)) 16...Bf3 17.Nf3 0-0 (17...Ne5 18.Ne5 fe5 19.Re1-+) 18.Nbd2 (18.Nd4 Qe7-+) 18...Nb6 (18...f5 19.Nd4 Qg5 20.Ne6 Qg2 21.Nf8 Rf8 22.Raa1-+) 19.Bb3 (19.Nd4 Qd7-+) 19...Qd7 (19...f5 20.Nc4-+) 20.Ne4 Rae8 (20...Qg4 21.Rg1 Nd7 22.h3-+) 21.Kb1 (21.Nf6 Rf6! 22.Bf6-+) 21...Qb5 (21...Be5 22.Nc5 Qb5 23.Rc1-+) 22.Nd4 (22.Kc2 Nd7 23.Nd4 Qa6-+) 22...Qd3 23.Bc2 Qe4! 24.Be4 Re4 25.Ne6 (25.Nb5 Nd5 26.Rd1 Bh2 27.Rd5 c6-+) 25...Re8 (25...Nd5?! 26.Nf8 Kf8 27.Rd1-+) 26.Rd1 (26.Rc1 Nd5 27.Nc5 Re2 28.Nb7 Bf4-+) 26...Nd5! 27.Nc7 (27.Rd5 Re1 Double attack (27...R4e6 Remove defender)) 27...Bc7 (worse is 27...Nc7 28.Rd6 Re1 29.Kc2 R8e2 30.Kb3-+) 28.Rd5 Re1 29.Kc2 (29.Bc1 Bh2 30.Rd7 R8e7 31.Re7 Re7-+) 29...R8e2 30.Kb3 Rb1 (30...Rb1 31.Rc5 Be5-+) 0–1. Wolf,Heinz – Walther,Cliff (2175), Verbandsliga Nord, 1997.

9.Qh6?? Bf8 10.Qe3 Nc2 (10...Nc2 11.Ke2 Ne3 12.de3 c6 13.dc6 Nc6-+) 0–1. wvmaniac (2465) – higarra (2500), net–chess.com, 2008.

9.Qd3 Bf5

10.Bb5 c6 11.Qf1 Nc2 12.Kd1 Na1 13.dc6 bc6-+.

10.Bb5 Kf7 11.Qc4 Nc2 12.Kd1 Na1 13.Ba1 (13.Qb4 Bb1 14.Bc4 Qc8-+) 13...Qd6 14.Nc3 (14.a3 Bc5 (worse is 14...Bb1 15.Qb4 Qb4 16.ab4-+) 15.Kc1 a6-+) 14...a6 15.Ba4 (15.g4 Bc3 16.Qc3 ab5 17.gf5 Ra2-+) 15...b5 16.Nb5 (16.Bb5 Bc3 17.Bc6 Ba1 18.Ba8 Nd7-+) 16...ab5 17.Qb5 (17.Bb5 Ra3 18.f4 ef4 19.Bc3 Bc3 20.dc3-+) 17...Bd7 18.Qb7 (18.Qc4 Ra4 19.f4-+) 18...Ba4 19.Ke1 Bc6! 20.Qb4 (20.dc6 A pinning theme 20...Qd2 Demolition of pawn structure) 20...Qb4 21.dc6 Qe4 (21...Qe4 22.Kf1 Qc4 23.Ke1 Qc1 24.Ke2 Ra2 25.Kf3 Qd2 26.g3 Qf2 27.Ke4 Rd2 28.Bc3 f5 29.Ke5 Nc6) 0–1. TALWYN – pierre, ChessWorld.net, 2005.

10.Bb5 Kf7 11.Qc4 Nc2 12.Ke2 Qd6 13.g4 Na1 14.gf5 a6 15.fg6 hg6 -+ (15...Kg6?! 16.Qg4 Kf7 17.Bd3+=).

10.Bb5 Kf7 11.Qc4 Nc2 12.Kf1 Qd6 13.g4 Na1 14.gf5 a6 15.Ba1 (15.Ba4 b5 16.Qe4 ba4 17.Ba1 c6 18.dc6 Nc6-+) 15...ab5 16.Qh4 (16.Qb5 Ra2 17.Bc3 Qa6 18.Qa6 Na6 19.fg6 hg6-+) 16...Qd5 17.fg6 Kg6 18.Qg4 (18.Qb4 Ra4 19.Qc3 Qh1-+) 18...Kf7 19.Qh5 Ke7 20.Nf3 (20.Qf3 Qa2 21.Qe4 Qc4 22.Qc4 bc4 23.Bc3 Bc3 24.Nc3 Ra1 25.Ke2-+) 20...Qd3 21.Kg2 Rg8 22.Kh3 Rg5 23.Qg4 Rg4 24.Kg4 h5 25.Kg3 Qg6 26.Ng5 Qg5 27.Kf3 Qg4 28.Ke3 Bc5 29.d4 Ra2 30.Re1 f5 31.f3 (31.Nd2 Qf4 32.Ke2 Rd2 33.Kf1 Qf2) 31...Bd4 32.Kd3 Qf3 33.Re3 Qe3 0–1. ChessMonkee – pierre, ChessWorld.net, 2005.

10.Bb5 Kf7 11.Qc4 Nc2 12.Kf1 (12.Ke2 Qd6 13.g4 Na1 14.gf5 a6 15.fg6 hg6-+ (15...Kg6?! 16.Qg4 Kf7 17.Bd3+=)) 12...Qd6 13.Nc3 (13.g4 Na1 14.gf5 a6-+) 13...Na1 14.Ba1 a6 15.Ba4 b5 16.Nb5 ab5 17.Bb5 Nd7 18.Bd7 Bd7 19.Nf3 (19.Ne2 Rhb8 20.d3 Bc5-+) 19...Rhb8 20.g3 (20.Qh4 Kg7 21.g4 Qd5 22.Kg2-+) 20...Bb5 (20...Bb5 21.d3 Bc4 22.dc4 Ra2-+) 0–1. dinofan (1770) – marekt (2040), gameknot.com, 2014.

10.Qf1 Nc2 11.Ke2-+.

9.Qh4 Nc2

10.Kd1 Na1 11.Bb5 c6 12.dc6 bc6 13.Qb4 cb5-+.

10.Kd1 Na1 11.Bd3 Bc5 12.Bg6 Ke7 13.Be4-+.

10.Kd1 Na1 11.Bb5 c6 12.dc6 bc6 13.Qb4 cb5-+.

10.Kd1 Na1 11.Bd3 Qd5 12.Bg6 hg6 13.Qh8 Bf8 14.Qf6 Qg2 15.Qe5 Kd8 16.Qf6 ½–½. karkarov – scriptarium, ChessWorld.net, 2002.

10.Kd1 Bf5 11.d3 (11.g4 g5 (11...Na1 12.gf5 g5 13.Bb5 c6 14.dc6 Nc6 15.Qb4-/+) 12.Qg3 Be4-+ (12...Na1?! 13.gf5 Nd7 14.Ba1-/+)) 11...Na1 12.Nf3 (12.Ba1 Nd7-+) 12...a5 (better is 12...g5 13.Bb5 c6 14.Qb4-+) 13.a3 (13.Ba1 h5 14.Qg3 Rh6-+) 13...Bd6 (better is 13...g5!? 14.Qh5 Bg6 15.Qh3-+) 14.Re1 (14.Ba1 Nd7-+) 14...g5 (14...Nb3 15.Bb3 Bd3 16.Nbd2-+) 15.Qh5 Bg6 16.Qh3 Nb3! 17.Bb3 Qd7 (17...Bd3?! 18.Be5 0-0 19.Bd6 Qd6 20.Qe6 Kg7 21.Kd2-+) 18.Qd7 (18.Qe6 Qe6 19.de6 Bd3-+) 18...Nd7 19.Kd2 Nc5 (19...Ke7 20.Nc3-+) 20.Bc2 Kf7 (20...g4 21.Nh4 0-0-0 22.Bd1-+) 21.Nc3 (21.d4 ed4 22.Bd4 Rhe8-+) 21...h5 (21...g4 22.Nh4-+) 22.d4 (22.Ne4 Rhd8-+) 22...Nd7 (22...ed4 23.Bg6 Kg6 24.Nd4-+) 23.Ba4 (23.Ne4 Be4 24.Be4 ed4 25.Nd4 Bh2-+) 23...ed4 (23...Nb6 24.de5 Nc4 25.Kc1 Ne5 26.Ne5 Be5 27.Nb5 Bh2 28.Bb3 Bf4 29.Kd1-+) 24.Nd4 (24.Bd7 dc3 25.Kc3 Rad8 26.Be6 Kg7-+) 24...Nc5 25.Bb5 Be5 (25...Bf4 26.Kd1 Bh2 27.Ne6-+) 26.Ke3 (26.Nf3 Bf4 27.Kd1 Rhd8-+) 26...Rhe8! 27.Ne6 (27.Be8 Re8 Combination) 27...c6 28.Bc4 (28.Kd2 Nb3 (worse is 28...cb5 29.Nc5 b4 30.ab4-+) 29.Kd1 Bc3 30.Bc3 cb5-+) 28...cd5 29.Bd5 Ne6 30.Na4 (30.Rd1 Kf8 31.Be4 Bc3 32.Bc3 Nc5-+) 30...Bb2 (30...Rad8 31.Bc4 Bf4 32.Kf3 g4 33.Ke2-+) 31.Nb2 Kg7 0–1. Mroz,Antoni – Chrapek,Kazimierz, corr Poland cp, 1987.

10.Kf1 Na1 11.Qg7 Rf8 12.Ba1 Bf5-+.

9.Qh6?? Nc2-+

10.Kd1 Na1 11.Ba1 Bf5 12.Ne2 (12.Nc3-+) 12...Bb1 13.Qg7 Rf8 (13...Rf8 14.Qh7 Qd7 15.Qd7 Nd7-+) 0–1. wvmaniac (2465) – pcmvr (2780), net–chess.com, 2008.

10.Kd1 Na1 11.Qg7 Rf8 12.Qh7 (12.Ba1 Bf5 13.Nc3-+) 12...Bf5 13.d3 Bc5 (13...Bc5 14.Ba1 Bf2 15.Bb5 Nd7-+; 13...Rf7 14.Qh4-+) 0–1. Blaha,J (2075) – Pecka,J (2210), OCC–2002–02, 2002.

10.Kf1 Na1 11.Qg7 Rf8 12.Ba1 Bf5-+.

8.Qh3 Nd6

9.Qb3 a5 10.a3 Bc5 11.Nc3 0-0 12.Nge2 Na6 (12...Bd7 13.a4=+) 13.0-0 Bd7 14.Nb5 (14.Bd3 Bb6 15.Ne4 Ne4 16.Be4 Nc5=+) 14...a4 (better 14...Nc4 15.Qc4 Bb5 16.Qb5 Qd5-/+) 15.Qd3?? (15.Qa4 Bb5 16.Bb5 Nb5 17.Qb5 Qd5=) 15...Qe8 (better 15...e4 16.Qc3 Nb5-+) 16.Nd6= cd6 17.Nc3 Bd4 18.Rfe1 (18.Qf3 b5 19.Be2 b4=) 18...Nc5 (18...Bf5 19.Qe2=+) 19.Qg3 b5 20.Ba2 Kg7 (better 20...Bf5!? 21.Rac1 Qb8=+) 21.Rab1+= Qe7 (21...Rc8+=) 22.Ne4 (better 22.Nb5!? Bf2 23.Qf2 Bb5 24.d4+/-) 22...Bb2 23.Rb2 Ne4 24.Re4 f5 25.Reb4 f4 26.Qf3 Qf6 27.d3 g5 28.Rb5 (better 28.c4!?=) 28...Bb5 29.Rb5 Rfb8 30.Bc4 e4! 31.Qd1 (31.de4 Qa1 Pinning; 31.Qe4 Qa1 Mate attack) 31...e3 32.fe3 (32.d4!?-/+) 32...fe3-+ 33.Qf1? (33.Qe1 Rb5 34.Bb5 Rf8-+) 33...Rb5 (33...Qd4 34.c3 Qc3 35.d4-+) 34.Bb5? (34.Qf6 Kf6 35.Bb5-+) 34...Qd4 (34...Qb2 35.h4 Qb5 36.Qf5 Qb1 37.Kh2-+) 35.Qe2 Rf8 36.h3 (36.c3 Qc3 37.Ba4 Qc1 38.Bd1-+) 36...Rf2 37.Qh5 (37.c3 Qf4 38.d4 Re2 39.Be2 Qf2 40.Kh1 Qe2 41.c4 Qf1 42.Kh2 e2 43.h4 e1Q 44.c5 Qh4) 37...e2 (37...Qa1 38.Kh2 Qe5 39.Kg1 Qg3 40.Qh6 Kh6 41.Ba4 Qg2) 38.Qg5 Kh8 39.Kh2 Qe5 (39...Rf6 40.Qg8 Kg8 41.Bd7 Qf4 42.g3 Qf2 43.Kh1 e1Q) 40.Qe5 de5 (40...de5 41.d6 e1Q-+) 0-1. pacal56 (2250) - mecker (2215), Rated Blitz game, lichess.org, 2014.

9.Qb3 Na6?? 10.Qa4?? (better 10.Ba6 Bc5 11.Be2+-) 10...Bd7=+ 11.c3?? (better 11.Qb3 Nc4 12.Qc4-/+) 11…Ba4-+ (11...Ba4 12.Ba6 Bc5-+) 0-1. qusai - grondilu (1765), Rated Classical game, lichess.org, 2013.

9.Qb3 Nc4 10.Qc4 Bd6=+.

9.Qb3+= Nc4 10.Qc4!? a5 11.a3+=.

9.Qb3+= Nc4 10.Qc4 Ba5 11.Nc3 Nd7 12.Nge2 b6 13.0-0 Bb7 14.d4 Qe7 (14...a6 15.de5 Ne5 16.Qb3=) 15.Qc7 Ba6 16.Rfe1?? (16.de5!? Qe5 17.Qe5 Ne5 18.Rfd1+=) 16...0-0 (better is 16...Rc8!? 17.Qa7 Be2 18.Ne2 Be1 19.Re1 Qb4=) 17.de5+= fe5 18.Nd4 (better is 18.Qc6+=) 18...Rfc8?? (better is 18...Qf7 19.Nf3 Rfc8 20.Ne5 Rc7 21.Nf7 Kf7-+) 19.Nc6+/- Rc7 20.Ne7 Kf7 21.d6?? (better is 21.Nc6 Bc3 22.Bc3+/-) 21...Rc3-+ (21...Bc3 22.Nd5 Bb2 23.Nc7 Ba1 24.Ra1-/+) 22.Bc3 Bc3 23.Nd5 Ba1 24.Ra1 Rc8 25.Nc7 Bc4 26.f3 (26.Rd1 Nc5 (26...Ba2?! 27.Ra1-+) 27.f4 e4-+) 26...a5 (26...Nc5!? 27.a4-+) 27.a3 Nb8 (better is 27...Nc5!? 28.Rb1 Na4 29.Re1-+) 28.Rb1 Nd7 29.Kf2?? (29.Ra1 Nc5 30.Rb1-+) 29...Be6 30.Ke3 Rb8 31.f4 ef4 32.Kf4 Nf6 33.h3 Nd5 34.Nd5 (better is 34.Ke5!? Ne3 35.Ne6-/+) 34...Bd5-+ 35.g3 (35.c4 Bc4 36.Ke5 b5-+) 35...Ke6 36.Rd1 Rf8 37.Kg5 Rd8 (37...Kd6 38.c4 Rf3 39.Kh6 Rg3 40.h4 Ra3 41.Kh7-+) 38.Kh6 Rd7 39.h4 Be4 (39...Kd6?! 40.c4 Kc5 41.cd5-/+) 40.c3 Rd6 41.Rd6 Kd6 42.Kh7 g5 43.Kh6 gh4 44.gh4 Kc5 (44...Kc5 45.Kg5 Kc4-+) 0–1. dinofan (1790) – paolo999123 (1645), gameknot.com, 2014.

9.Qb3 Bc5 10.Nc3 0-0 11.Nge2 Nd7 12.a4 Nb6 13.d3 Nbc4 14.dc4 a6 (14...Qd7 15.Ba3 Ba3 16.Ra3=+) 15.0-0 f5 (15...b6 16.a5=) 16.a5 Bd7 (16...Qh4 17.Na4 Qc4 18.Nc5 Qc5 19.Be5+=) 17.Na4 (17.Ba3 Ba3 18.Ra3 b5 19.cb5 Rb8=) 17...Ba4 18.Qa4 Qe7 (18...Qe8 19.Qb3=) 19.Rae1 (19.Nc1=) 19...Rae8 (19...Ne4 20.Nc1 Nd2 21.Nd3 Nf1 22.Kf1=) 20.Nd4 (20.Nf4 Ne4 21.Ne6 Nd2 22.Re5 Bd6+/-) 20...ed4 (better 20...Bd4!? 21.Bd4 Ne4=) 21.Re7+/- Re7 22.Ba3 Ba7?? (better 22...Ba3 23.Qa3 Re2+/-) 23.c5+- Ne4 (23...Nb5 24.c6 Nd6 25.cb7+-) 24.Qd4 (24.c6 Nd6+-) 24...Rd7 (24...h6 25.Re1 Rd7 26.f3+-) 25.Bb2 (25.Rb1 Re7+-) 25...Rf6? (better 25...Kf7 26.d6! cd6 27.Qd5 Ke7 28.cd6 Kd8+-) 26.Re1 (better 26.Qc4 Rff7 27.c6 bc6 28.Qa6+-) 26...Bc5= 27.Qe5 Bf2 (27...Re7 28.Re4 Re5 29.Re5=) 28.Kf1+= Be1?? (better 28...Rdd6 29.Re2 Bc5+=) 29.Ke1?? (better 29.Qe8 Rf8 30.Qd7+-) 29...Rdf7 (29...Kf7 30.Qf4 Rfd6 31.c4-/+) 30.Qf4 (30.h4!?=+) 30...Rd6-/+ 31.c4 h5 (31...Re7!? 32.Ba3 c5-/+) 32.Qe5 Kf8 (32...Nf6 33.c5 Rd8 34.Kf1=+) 33.Ba3 (better 33.Qh8!? Ke7 34.Qc8+/-) 33...Re7= 34.Qh8 (34.Bd6?? Nd6 (worse 34...cd6 35.Qh8 Kf7 36.Qh7 Kf6 37.Qg8+=) 35.Qe7 Ke7-+) 34...Kf7 35.Qh7 Kf6 (35...Ke8 36.Qg8 Kd7 A) worse 37.Bd6 Nf6 (37...Nd6?! 38.Kf2=) 38.Be7 Ng8-/+; B) 37.Kd1 Nf2 38.Kc2=) 36.Qh8 Kg5 (36...Kf7 37.Qh7 Ke8 38.Qg8 Kd7 A) worse 39.Bd6 Nf6 (39...Nd6?! 40.Kf2=) 40.Be7 Ng8-/+; B) 39.Kd1 Nf2 40.Kc2=) 37.Bd6+= Nd6 38.Kd1 (better 38.Kf2!?+/-) 38...Nc4= 39.Qd4 (39.Qd8 Kf6 40.Qh8 Rg7=) 39...Nd6 (39...Ne3 40.Kd2 f4 41.Kc3-/+) 40.Qd2 (40.h4!? Kh6 41.Qh8 Rh7 42.Qf8 Rg7 43.Qh8 Rh7 44.Qf8 Rg7 45.Qh8 Rh7=) 40...f4-/+ 41.Qd4 (41.g3 Re4-/+) 41...Re4 (41...h4 42.Qh8-/+) 42.Qc5 (42.Qg7 Nb5-/+) 42...Re5 (42...Rc4!? 43.Qg1 Nf5-/+) 43.Qc7 Rd5 44.Ke2 Kf5 (44...Nf5 45.h3=+) 45.Qg7 (better 45.Qd7 Kf6 46.Qd8 Ke5 47.Qg5 Ke4 48.Qg6 Nf5 49.Qe6 Re5 50.Qd7=) 45...Ra5?? (45...g5 46.Qh7 Ke6 47.Qg8 Nf7 48.Qc8 Rd7 49.h4=+) 46.Qf8?? (46.Qd7 Ke5 47.Qe7 Kf5 48.Qd6 Re5 49.Kf3 Re3 50.Kf2 g5+-) 46...Ke5?? (better 46...Ke6-/+) 47.Qe7+- Kd5? (better 47...Kf5 48.Qd6 Re5 49.Kd3 Re3 50.Kd2 g5+-) 48.Qg5 Nf5 49.Kf3 (better 49.Qd8 Ke4 50.Qa5 Nd4 51.Kf2+-) 49...Ra3-/+ 50.Kf4 Ra4 51.Kf3 Ra3 (51...Kc5 52.h3 Ra3 53.Kf2=+) 52.Ke2? (52.Kf2 Ra2 53.Ke1 Ra1 54.Kd2 h4=) 52...Ra2 (better 52...Re3!? 53.Kf2 Re6-/+) 53.Kd1 (53.Kd3 h4+=) 53...Ra1 (53...Kc5 54.Ke1=) 54.Kc2 Ra2 (54...Kc4 55.Qf4 Nd4 56.Kb2=) 55.Kb1+= Ra5?? (55...Rf2 56.Qg6 Nd4 57.Qh5 Kc4 58.Qg4+=) 56.Qg6 (better 56.Qd8 Ke6 57.Qa5+-) 56...Ke4 57.Qh5 Kf4 (57...Rb5 58.Ka2+/-) 58.Qf3 Kg5 59.h4 (better 59.h3+-) 59...Kf6?? (59...Nh4!? 60.Qe3 Kh5+/-) 60.Qf4 (better 60.g4+-) 60...Rb5 61.Kc2 Kg6? (better 61...Rc5!? 62.Kb3 Rb5 63.Ka4 Rd5 64.Qg5 Ke6+-) 62.h5! (62.h5 Kh5 63.g4 Kg6 64.Qe4+-) 1-0. pacal56 (2180) - mecker (2175), Rated Blitz game, lichess.org, 2014.

9.Qb3 Bc5 10.Nc3 a6 11.a4 0-0 12.Nf3 Bg4 (12...e4 13.Ng1 A) worse 13...Nc4 14.Qc4 Nd7 15.Ne4+= (15.Qe4?? Re8 16.Nge2 Re4 17.Ne4 Be7-+); B) 13...Nd7=+) 13.0-0-0? (better 13.Be2!?=+) 13...Bf3 14.gf3 Nd7 15.Ne4 b5 16.ab5 ab5 17.Bb5 Ne4 (better 17...Rb8!? 18.c4 Bd4-/+) 18.fe4=+ Rb8 (18...Bf2 19.Rdf1 Bd4 20.c3=) 19.Qd3 (19.Qc4 Bd6= (19...Bf2?? 20.d6 Kg7 21.dc7+-)) 19...Qe7 20.Bc4 Rb2?? (better 20...Qd6=+) 21.d6+- (21.d6 Kg7 22.de7+- (22.Kb2?! cd6 23.Rdf1 Ra8+=); 21.Kb2?! Rb8 22.Ka2 Kh8+=) 1-0. pacal56 (2170) - mecker (2155), Rated Blitz game, lichess.org, 2014.

7.Bd5 Nd5

8.ed5 Bf8 9.Qh4=+ Bf5 10.Nf3 (10.d3!?=+) 10...Bc2-/+ 11.Qc4 Bb1 (11...Bf5 12.d4 e4 13.Nfd2-/+) 12.Rb1 Nd7 13.Qb5 (13.Qe2 Qe7=+) 13...Rb8 (13...Kf7 14.d4 e4 15.Nd2-/+) 14.0-0=+ Bd6 15.Qa4 (15.Rfe1!?=+) 15...0-0-/+.

8.ed5 Qd5-+

9.Ne2 Qg2 10.Rg1 Qh3 11.Qg7 Rf8 12.Qc7 Nc6 13.Nbc3? Rf7 (13...Rf7 14.Nd5 Qf3 15.Qc6 bc6 16.Nb4 Rb7-+; 13...Qh2?! 14.Nb5-+) 0–1. wvmaniac (2465) – iivanov (2485), net–chess.com, 2008.

9.f3 Nc6 10.Qg7 (10…Qg8 11.Qg8 Rg8 12.Nc3-+). Caissa – mrwong, Live Game Caissa's Web, 2004.

9.f3-+ Bf5 10.Qg7 Rf8 11.Nc3 Qd7 12.Qd7 Nd7-+.

9.Qg7 Rf8 10.Qc7?? Nc6 11.Qh7 Qg2-+.

9.Qg7 Rf8 10.f3 Qf7 11.Qf7 Kf7-+.

8.Qg7 Rf8

9.a3 Bc5 10.ed5 Qd5 11.f3 Bg1-+.

9.Qh7 Ne7 10.a3 Bd6 11.Nf3 Bf5 12.d3 Nbc6 13.Nbd2 Qd7 14.0-0 0-0-0 15.Ne4= Be4 16.de4 Rh8 17.Qg7 Rdf8 18.Rfd1 Nd8 19.Rd3?? Ne6-+ 20.Be6 Qe6 0–1. Wall,Bill – Fercho, internet, 2005.

9.ed5 Qd5

10.f3 Qd7 11.Qd7 Bd7 12.c3 (12.Nc3 Nc6-+) 12...Ba5 13.Na3 (13.Ba3 Rf7-+) 13...Be6 14.Ne2 (14.Nc2 Nd7-+) 14...Nc6 15.0-0 (15.Nc2 0-0-0-+) 15...0-0-0 16.Rfd1 Rf7 (16...Rd3 17.Nc1 Bb6 18.Kf1-+) 17.d4 Rfd7 18.Nc2 Bb6 19.Kh1 (19.Kf2 Bc4-+) 19...Bc4 20.Rd2 h5 (20...ed4 21.cd4 a6 22.Kg1-+) 21.Ne3 (21.Kg1 ed4 22.cd4 Be2 23.Re2 Nd4 24.Nd4 Bd4 25.Bd4 Rd4-+) 21...Be2 22.Re2 ed4 23.cd4 Bd4 24.Bd4 Nd4 25.Rd2 c5 26.Rad1 (26.Rc1 b6-+) 26...f5 (26...b5 27.g4-+) 27.Nc4 g5 28.f4 (28.a4 b6-+) 28...gf4 29.Ne5 Re7 30.Nf3 Rde8 31.h3 (31.Kg1 Nf3 32.gf3 Rg7 33.Kh1 b6-+) 31...Nf3 32.gf3 b6 33.Kg1 (33.Rd5 Re3 34.Rf1 R8e5 35.Re5 Re5-+) 33...Rg7 34.Kf2 (34.Kh2 Rg3 35.Rg1 h4-+) 34...Reg8 0–1. Acornn (1610) – Bonetti,Shane, ICC, 2002.

10.f3 Bf5 11.Qh7 Bc2 12.Ba3 Nc6 13.Nc3-+.

10.f3 Bf5 11.Qh7 Bc2 12.Nc3 Qd8-+.

10.f3 Qf7

11.Qh6 Nc6 12.c3 Bc5 (12...Bf5 13.Ne2 Bd6 14.Ng3-+) 13.Ne2 Bf5 (13...Be6 14.Ba3 Ba3 15.Na3-+) 14.d4 Bb1 (14...ed4!? 15.cd4 Bb6 16.0-0-+) 15.Rb1-/+ ed4 16.cd4 Bb4 17.Kf2 (17.Bc3 Bc3 18.Nc3 0-0-0-+) 17...0-0-0 (17...Qa2 18.Qh7 Qf7 19.Qh4-/+) 18.a3 Ba5 (18...Bd6 19.Rhe1-/+) 19.h4 (19.Rhc1 Rfe8-/+) 19...Bb6 (19...Rfe8 20.Rhc1-+) 20.Qf4 (20.Rhd1 Rfe8-+) 20...Rd7 (20...Rfe8 21.Rhc1-+) 21.Rhe1 (21.Bc3 Qa2 22.Ra1 Qc4-+) 21...Rfd8 22.Rec1?? (better is 22.Qg4-+) 22...Nd4 (22...Bd4?! 23.Nd4 Nd4 24.Re1-+) 23.Nd4 Bd4 (23...Rd4 24.Bd4 Rd4 (24...Bd4?! 25.Kf1+=) 25.Rc7 Qc7 (25...Bc7?! 26.Qd4 Bb6 27.Rb6 ab6 28.Qd6=) 26.Qc7 Bc7-+) 24.Bd4 Rd4 25.Qg3 R8d7 (25...Qe7 26.Rb2-+) 26.Rb2 (26.Kg1 Qe7-+) 26...Rd2 (26...Qd5 27.Kg1-+) 27.Rd2 Rd2 28.Kg1 c6 (28...Qd7 29.Qe1-+) 29.Qe1 Qa2 (29...Qd5 30.Qe8 Qd8 31.Qe6 Kb8 32.Rc4-+) 30.Qe8 (30.Kh1 Re2 31.Qb4 Qd2 (31...Rg2 32.Qf8 Kd7 33.Qb8-/+) 32.Qf8 Qd8-+) 30...Rd8 31.Qe3 Qd2 32.Re1 (32.Qe6 Kc7 33.Rc4 Qd5 34.Qe7 Rd7-+) 32...Qe3 (32...Qe3 33.Re3 Rd1 34.Kf2 Rd2 35.Kg3 Kd7-+) 0–1. marekt – notsofar, gameknot.com, 2001.

11.Qh6 Be6 12.Nc3 Na6 13.a3 Bc5 14.Nge2 0-0-0 15.Ne4 Qe7 16.Nc5-/+.

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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