7.a3 Ba5 8.Be2 Ne5 9.0-0?? (better is 9.Ne5 Re8 10.Nf3+=) 9...Nc4-+ 10.Qb3 Nd6 0–1. vaingrecsky (2235) – pierred, net–chess.com, 2016.

7.Bb2 Bc5 8.cd5 (8.d4 Bb4 9.Bc3 Bd6=+) 8...Nd5-/+ 9.Be2 Re8 10.0-0 Bf5 (10...Be6 11.d4 Bd6 12.e4=) 11.d4 (11.d3 Qd6=+) 11...Bd6 12.Nbd2 (12.Nc3 Nc3 13.Bc3 Qf6=+) 12...Nb6 (12...Qf6 13.Qb3 Ncb4 14.Bc4-+) 13.Bb5 a6 (13...Qd7 14.Ne5 Be5 15.de5=+) 14.Bc6 bc6 15.Re1 (15.Rc1 Be6=) 15...Bg6 (15...Rb8 16.e4 Be6 17.Qc2=) 16.Rc1 Rb8 17.e4 Nd7 (17...Nd5 18.Qc2+=) 18.Qc2 Bf4 (18...Nf6 19.Rb1+=) 19.Rb1 Nf6 Pawn e4, live or die! 20.Bc3 (20.Qc6 Qe7 21.d5 Ne4=) 20...Rb1 21.Qb1 Qa8 (21...Qe7 22.Bb4 Qe6 23.Qd3=) 22.Qd3 Bh6 (22...c5 23.d5 Bd2 24.Nd2 Qd5 A) 25.ed5? Re1 (25...Bd3?! 26.Re8 Ne8 27.Nb3=+) 26.Qf1 Rf1 27.Kf1 Nd5-+; B) worse 25.Qd5 Nd5 26.Bb2 c4-/+; C) 25.Qa6+=) 23.Ba5 (23.Ne5 Bh5+–) 23...Qc8 (23...c5 24.d5+=) 24.a4 (24.Ne5!?+–) 24...Bf4 25.Bb4 Re6 (25...Qe6 26.Bc5+=) 26.Bc3 (26.g3 Bd6 27.Bc5 Qd7 28.Qa6 Ne4 29.Ne4 Be4+–) 26...Qd8 27.Qc2 (27.a5 Qe7+=) 27...Qe8 Can e4 get defended? (27...Qe7 28.Ne5+=) 28.Ne5 Bd2 (28...Be5 29.de5 Nd5 30.Bd4+=) 29.Bd2 (29.Qd2?! Be4 30.Qg5 c5 31.dc5 Qa4=) 29...Be4 (29...c5 30.Ng6 fg6 31.Qc5 Re4 32.Qc4 Qf7 33.Qa6 Rd4+=) 30.Qc4 (30.Re4 Ne4 31.Qe4-/+) 30...Qc8 (30...Qd8 31.Bg5 (worse 31.Qa6 c5 32.Qc4 cd4-/+) 31...Qd5 32.Qa6=) 31.f3 (31.Qc5 Qf8 32.Bb4 Qd6=) 31...Bd5 32.Qd3 Ne8 (32...Qb7 33.Qf5=) 33.Rc1 (33.Qf5 f6 34.Nc6 Re1 35.Be1 Qf5 36.Ne7 Kf7 37.Nf5 Ke6=+) 33...f6=+ 34.Ng4 (34.Nc4 Nd6 35.Ne3 Qb7=+) 34...Nd6 35.Ne3 Re8 (35...Qb7 36.Rb1 Qa7 37.Qc3=) 36.Ba5 (36.Rc5 Qb7=+) 36...Re7=+ 37.Bd2 (37.Bb4 Qe6 38.Rc3 c5 39.dc5 Qe3 40.Qe3 Re3 41.Re3 Nf5+–) 37...Qb7 38.Rb1 Qa8 39.Rc1 (39.Nf5 Nf5 40.Qf5 Re2=) 39...Bf7 (39...Qa7 40.Bb4=+) 40.Qc2 (40.Nf5 Nf5 41.Qf5 Qd8=+) 40...Qe8 41.Qd3 Bg6 42.Qc3 Re6 43.h3 (43.Re1 Qd7=) 43...Nc8 (43...Qe7 44.Re1=+) 44.Qc4 (44.Re1 Nd6=) 44...Bf7 (44...Nb6 45.Qb3=+) 45.Qd3 (45.Re1 Re4 46.Qa6 Rd4+–) 45...Qd7 (45...Nd6 46.Re1=) 46.a5 (46.Qa6 c5 47.Qb7 A) worse 47...cd4 48.Rc7 Nd6 49.Rd7 Nb7 50.Rd4+– (50.Rb7?! de3 51.Be1 f5=); B) 47...Rb6=+) 46...Nd6 (46...Ne7 47.Qa6 Nd5 48.Nd5 cd5 49.Qa8 Re8 50.Qc6+–) 47.Bb4 (47.Qa6 c5 48.d5 Re7+–) 47...Qe8 (47...Bg6 48.Qc3=+) 48.Kf2 (48.Re1 Bg6 49.Qc3 Qd7=) 48...Nb5 49.Qd2 (49.Bc5 Qd7=) 49...Kh8 (49...Qd7 50.Bc5=+) 50.Bc5= Bg6 (50...Kg8 51.Bb4=) 51.g4 (51.Re1 Qd7=) 51...Qd7 Exerts pressure on the isolated pawn (51...Kg8 52.Re1-/+) 52.Nc2 (52.Kg2 Kg8=+) 52...Bc2-/+ 53.Rc2 Re8 (53...Qd5 54.Kg2=+) 54.Qd3 (54.Kg2 Qd5=+) 54...Qe6 (54...Rd8 55.Kg2=+) 55.Re2= Qe2 (55...Qd7!?=) 56.Qe2+= Re2 57.Ke2 Kg8 (57...Nc3 58.Ke3+=) 58.h4 (58.f4 Nc3 59.Ke3 Nd5 60.Ke4 Kf7+=) 58...Kf7 59.Kd3 (59.f4 Nc3 60.Ke3 Ke6+=) 59...Ke6 60.h5 Kd5 61.f4 g6 62.hg6 (62.h6 f5 63.g5 Nd6=+) 62...hg6 63.Be7 (63.f5 gf5 64.gf5 Nd6-/+) 63...f5 (63...Nd4 64.Bf6 c5 65.Be5=+) 64.gf5= gf5 Black fights for the Initiative 65.Bf6 (65.Bc5!?=+) 65...c5-/+ 66.dc5 Kc5 67.Bh4 Kd5 68.Bf6 Nd6 (68...c5 69.Be5-/+) 69.Bc3 c5 70.Be5 Kc6 (70...c4 71.Kc2-/+) 71.Bc3 (71.Kc2 Ne4-/+) 71...Kb5 (71...Ne4 72.Be5-/+) 72.Be5-/+ Nb7 (72...Nb7 73.Kd2 Na5-+) 0–1. Bonetti,Shane – Baer,Werner, TT–06 TSC, 2003.

7.Bb2 Ng4 8.a3 ½–½. Schiebuhr,Stephan – Schuette,Andreas (2170), Norderstedt op2, 2000.

7.Bc3 Bf5 8.d4 Ne4 9.Qb3 Nc3 10.Nc3 Be4 11.a3 Ba5 12.Nd2 Re8 13.Nce4 Re4 14.Qb7 Rd4 15.ed4 Qe8 16.Kd1 Rb8 17.Qb8 Nb8 18.Bd3 Nc6 19.Re1 Qd7 20.Rb1 dc4 21.Bc4 Bd2 22.Kd2 Qd4 23.Bd3 Qf2 24.Re2 Qf4 25.Re3 g6 26.g3 Qd6 27.Rc1 Nd4 28.Rc4 Kg7 29.a4. Administrator – wcrafty, internet, 2001.

7.Nc3 Bc3 8.Bc3 Be6 9.Qb1 Rb8 10.a4 (10.d3 Nd7=) 10...h6 (10...Re8 11.Be2=+) 11.Be2 (11.d3 Ne8=) 11...dc4=+ 12.Bc4?? (better is 12.0-0=+) 12...Bc4-+ (13.Qf5 Ne8-+) 0–1. Kot,F – Wichert,G, corr ICCF–Cup8/9 V049, 1990.

7.Nc3 Ne5 8.Ne5 d4 9.Rb1 a5 10.Nb5 Re8 11.ed4 c6 12.a3 cb5 13.ab4 Qd4 14.Be2 Re5 15.d3. Administrator – wcrafty, internet, 2001.

7.Bg3 d4 8.Bh4 (8.a3!? Ba5 9.Qb3-/+) 8...Re8 9.Qb3 (9.a3!? de3 10.fe3 Re3 11.Be2-/+) 9...de3-+ 10.fe3 Nd4 11.Nd4 Qd4 12.Qb4 Qa1 13.Be2 Ne4 14.Qb3 Nc5 (14...g5 15.Bf2-+) 15.Qc2 Qe5 16.0-0 Qe4 (16...Ne4 17.d4 Qe6 18.c5-/+) 17.Qe4-/+ Re4 18.Bg3 Bg4 19.Bg4 Rg4 20.Rc1 (20.d4 Ne4 21.Be5 c6-+) 20...Rc8 21.d4 Ne4 22.Bf4 g5 23.h3 Rh4 24.Bh2 c5 25.d5 Rd8 26.a4 b6 27.a5 (27.Na3 Kf8-+) 27...Rd7 (27...ba5 28.Bc7 Rd7 29.Ba5-+) 28.ab6 ab6 29.Rc2 (29.Rd1 h5-+) 29...Ra7 (29...b5 30.cb5 Rd5 31.Rc1-+) 30.Rb2 (30.Be5 f6 31.Bb2 Kf7-+) 30...Rh6 (30...Ra4!? 31.Be5 Rc4 32.d6-+) 31.Be5 Kf8 32.Nd2 Nd2 33.Rd2 Rh4 34.Rb2 Ra6 35.Bf6 Rc4 0–1. Trokenheim,Marek (1815) – Pech,Jaroslav, FICGS, 2008.

7.Bg3 Bg4 8.Nc3 Re8 9.Nd5 Nd5 10.cd5 Nd4 11.Bc4 Qf6 12.Be2 Ne2 13.Ke2 Rad8 14.Qb3 Bf3 15.gf3 Qd4 16.Rad1 Rd5 17.d3 Ba5 18.Kf1 Qc5 19.Kg2 Bb6 20.d4 Qc4?? 21.Qc4 1–0. Brzoza – Bebenek, corr Poland 1980–81.

8.a3 Be7 9.d4 Bb7 10.Nbd2 Re8 11.Bd3 Na5 12.cd5 Nd5 13.0-0 c5 14.e4 Nf4 15.Bb5 Rf8 16.d5 f5-/+ 17.Re1 fe4 18.Ne4 Qd5 19.Qd5 Bd5 20.Rad1 a6 Black gets the initiative 21.Ba4 Rad8 22.Ne5 b5 23.Bc2 c4 24.h3 Nb3 25.Kh2 Nc5 26.f3 a5 27.Nc3-/+ Bg5 28.Nb5 Nfd3 Black launches an attack 29.Nd3 cd3 30.Bd3 Bf4 31.Kg1 Bb3 32.Bd4? Nd3-+ 33.Rd3 Bc4 34.Bg7 Rd3 35.Bf8 Kf8 36.a4 Kf7 37.Kh1 Bb3 38.Ra1 Ba4! 39.Rb1 Bb5 40.g3 Bc6 41.gf4 Rd1! 42.Rd1 0–1. Comet B50 – Crafty 19.01, 2004.

8.a3 Be7 9.d4 Bb7 10.Nbd2 Re8 11.Bd3 Na5 12.cd5 Nd5 13.0-0 c5 14.e4 Nf4= 15.Bb5 Rf8 16.d5 f5-/+ 17.Ne5 fe4 18.Qg4 h5-+ 19.Qg3 If White now only could play Nc6... 19...Bh4 20.Qe3 Qd5 21.Rad1 Rad8 22.Ba4? Nd3 23.Ndf3 Bf6 24.Ng6 Nc4 25.Bf6 Ne3 26.Ne7 Kh7 27.Nd5 gf6 28.Ne3 ef3 29.Bc2 Be4 30.Rd2 b5 31.Rb1 a6 32.a4 Bg6 33.ab5 ab5 34.Rb5 Nf4 35.Rd8 Rd8 36.Rc5 Bc2 37.Rc2 fg2 38.Rc4= Ne6 39.Kg2 Kg6 40.Ra4 ½–½. Teichmann,Erik – Canfell,Gregory, AUS Masters Melbourne, 2002.

8.a3 Ba5 9.cd5 Nd5 10.Qc2 Bg4 11.Be2 Rae8 12.Ng5 Qh6 13.Bg4 Qg5 14.Bf3 (14.Qf5 Qf5 15.Bf5 Re7+=) 14...Ne3-/+ 15.fe3 Re3 16.Kd1 (16.Kf2 Rf3 17.Kf3 Re8-+) 16...Rd8-/+ 17.Ra2 Ne5 (17...Qf4 18.Kc1 Re6 19.Bc3+=) 18.Be5= Re5 19.Rb2 c6 (better is 19...Rc5 20.Qe4 h5=) 20.Rb7+/– g6 (20...Rc5 21.Qb2+/–) 21.Re1 Rb5 22.Rb5 (22.Ra7 Rb1 23.Ke2 Rd2 24.Kf1 Qb5 25.Qc4 Qc4 26.Be2 Qe2 27.Kg1 Re1; 22.Bc6 Rb1 23.Rb1 Rd2 24.Kc1 Rg2 25.Kd1 Rd2 26.Kc1 Re2 27.Kb2 Qf6 28.Kb3 Rc2-+) 22...Qb5 (22...cb5 23.Re4+/–) 23.Kc1+– Qg5 (23...Rb8 24.Bc6 Qb6 25.Bd5+–) 24.h3 Qf4 (24...Rc8 25.Qc4+–) 25.Re2 Qd4 (25...Rc8 26.Qe4 Qd6 27.Qe5+–) 26.Qc6 Kg7 27.Qe4 Qg1 (27...Rc8 28.Kd1 Qb6 29.Re3+–) 28.Kc2 Qc5 29.Nc3 Rd2 (29...Bc3 30.dc3 Qa3 31.Qe5 Kg8 32.Bd5 Qa4 33.Bb3+–) 30.Kd2 Qc3 31.Kd1 Qa1 32.Kc2 Qa2 33.Kc1 Qa3 34.Kb1 Bd8 (34...Bc3 35.Qc4 Bf6 36.Rd2+–) 35.Ra2 Qd6 36.Qd5 Qb4 (36...Qf6 37.Re2+–) 37.Rb2 Qe1 38.Bd1 Bf6 (38...Bb6 39.Re2 Qc3 40.Qe5 Qe5 41.Re5+–) 39.Rb7 Kh6 40.Rd7 Qb4 41.Bb3 Qe1 42.Kc2 Qa1 43.Rf7 Qb2 44.Kd1 Bg5 45.g3 Bf6 46.Qd2 Qd2 47.Kd2 Bg5 48.Ke2 Bc1 49.Ra7 Kg5 50.Rh7 1–0. forsetinn (2305) – silencer123 (2150), gameknot.com, 2014.

8.Nc3 Be6 9.Nb5= Qe7 10.Bf6 gf6 11.a3 Ba5 12.cd5 Bd5 13.Nc3 Bc3 14.dc3 Rad8 15.Nd4 Ne5 16.Qc2 c5 17.Nf5+= Qe6 18.e4 Bb3=+ 19.Qb1 Rd1-/+ 20.Qd1 Bd1 21.Rd1 Qb3 22.Ne7 Kg7 23.Nd5 Rd8 24.f3 f5 25.Be2 fe4 26.fe4 Qc2 27.Bf3 Nd3 28.Rd3 Qd3 29.Kf2 f5 30.Nf4 Qc2 31.Kg3 Rg8 32.e5 Qc3 33.Kh4 Qe3 34.Nh5 Kh6 (34...Kh6 35.Nf6 Rd8-+) 0–1. Pierred (2175) – Amazonico (2505), Rated game, 3m + 0s, 2005.

8.Be2 dc4 9.Bc4 Bf5 10.h3 Nd7 11.0-0 Nde5 12.Ne5 Ne5 13.Be2 Nd3 14.Bd3 Bd3 15.Re1 Rad8 16.Qg4 f6 17.Nc3 f5 18.Qh4 c5 19.Qg5 Rd7 20.a3 Ba5 21.a4 Bc7 22.g3 Qb6 23.Ba3 Qc6 24.g4 fg4 25.Qg4?? (25.e4 gh3 26.Bc5-+) 25…Rd6 (25...Rd6 26.Bc5 h5 27.Bd6 hg4 28.hg4 Qf3-+) 0–1. Rush,Bradley – Rakus,Klaus, OP–2011–0-01886, 2011.

8.cd5 Qd5 9.Be2 (9.Bf6 gf6 10.a3 Bd6+=) 9...Be7 (9...Qf5 10.0-0=) 10.0-0 Bg4 11.h3 Bh5 12.Nc3 Qd7 13.d4 a6 14.Ne5 Ne5 15.de5 Qd1?? (better 15...Be2 16.Qe2 Nd5+=) 16.Bd1+- (worse 16.Nd1 Be2 17.Re1 Bd1 18.ef6 Bf6 19.Bf6 Ba4-/+; 16.Rfd1?! Be2 17.Ne2 Ne4+=; 16.Rad1?! Be2 17.Ne2 Ne4+/-) 16...Bd1 17.Rfd1 (better 17.ef6!? Bf6 18.Rfd1+-) 17...Nh7+/- 18.Rd7 Bd8 19.Rad1 Re8 20.Ne4 (20.e6!? fe6 21.Nd5+/-) 20...Nf8= 21.R7d3 Ne6 22.f4 Be7 23.Kf2 Nc5 (23...Rad8 24.Rd7 g6 25.g4+=) 24.Nc5+= Bc5 25.Kf3 Re7 (25...Rac8 26.Rd7+=) 26.Rd7 (26.Bd4 Bd4 27.ed4+/-) 26...Rd7? (better 26...Rae8!?+=) 27.Rd7+/- Bb6 (27...Rc8+/-) 28.Ba3 (28.e6 f6+-) 28...c5? (28...Re8!?+=) 29.g4 (29.Rb7!? Ba7+-) 29...Rc8 (29...Rb8 30.Bb2 Ba5 31.e6+/-) 30.Rb7+- Ba5 31.Ra7 c4 (31...Rc6 32.Ke4 Bb4 33.Kd5+-) 32.Ra6 Bd2 33.Rd6 (33.Ke2 Bc3+-) 33...c3 34.Ke2 c2?? (better 34...g6+-) 35.Kd2 1-0. e4_e5_f4 (1720) - D80677629417 (1690), lichess.org, 2020.

8.cd5=+ Nd5 9.Be2 Be7 10.0-0 Qd6 11.d4 Bf5 12.Nbd2 Qg6 13.Ne1 Kh7 14.e4! Be4 15.Ne4 Nf4 16.Bf3 f5 17.Nc5 (cont. unknown, 26 moves) (17.Nc5 Bc5 18.dc5+–) 1–0. Dluhosch,Thomas – Hinderer, corr, 1988.

8.cd5 Nd5 9.Be2 Bf5 10.0-0 Qd7 11.a3 Be7 12.d4 Rad8 13.Nc3 Nb6 14.e4 Bg4 15.d5 Bf3 16.Bf3 Ne5 17.Be2 Nec4 18.Bc1 Bf6 19.Qb3 Nd6 20.Bb2 Qe7 21.Bd3 c5 22.dc6 bc6 23.Rad1 Rfe8 24.Rfe1 Be5 25.g3 Rb8 26.Ba1 Nb7 27.Qc2 Qa3 28.Ne2 Qc5 29.Be5 Qe5 30.Qc6 Rec8 31.Qb5 Nc5 32.Bb1 a6 33.Qa5 Nd3 34.Qe5 Ne5 35.Kg2 Nbc4 36.Rc1 Rb2 37.Rc3 a5 38.f4 Ng4 39.Kg1 Rcb8 40.Bd3 Nd2 41.Rec1 Nf3 42.Kg2 Nd4 43.h3 Ne2 (worse is 43...Re2 44.Be2 Rb2 45.hg4+/–) 44.Be2 Re2 45.Kf3 Re3 46.Re3 Ne3 47.Ke3 Rb3 48.Kf2 a4 49.Rc8 Kh7 50.Rc7 f6 51.h4 h5 52.e5 Kg6 53.e6 f5 ½–½. Korchut,Adam (1990) – Slamenik,Jan, RA–2010-0-00089, 2010.

8.Be2 Be6 9.0-0 dc4 10.Qc2 Be7 11.Bc4 Bc4 12.Qc4= Qd5 13.Qd5 Nd5 ½–½. Caissa – Nimzoindianboy, playchess.de, 2002.

8.dc3 Be6 9.Nbd2 Qe7 10.Qb3 Rab8 11.cd5 Bd5 12.c4 Bf3 13.Nf3 Qc5 14.Bd3 Ne5 15.Ne5 Qa5 16.Kf1 Qe5 17.Rd1 Rbd8 18.g3 Ne4 19.Qc2 f5 20.Kg2 Nc3 21.Rd2 Rf7 22.Rc1 Ne4 23.Be4 Rd2 24.Qd2 Qe4 25.Kg1 h6 26.c5 Qc6 27.Qd3 Kh7 28.Rd1 b6 29.Rc1 a5 30.a3 Qe6 31.Rd1 Qg6 32.Qc4 Re7 33.Rd8 Qc6 34.Qd5 Qd5 35.Rd5 g6 36.cb6 cb6 37.h4 h5 38.Kf1 Rc7 39.Ke2 Rc2 40.Rd2 Rc3 41.a4 Kh6 42.Kf3 Rb3 43.Kf4 b5 44.ab5 Rb5 45.Ra2 Rb4 46.Ke5 a4 47.Kd5 g5 48.Kc5 Re4 49.Ra3 gh4 50.gh4 Rh4 51.f4 Rg4 52.Ra4 h4 53.Ra8 Rg7 54.Kd4 h3 55.Ra1 Rg3 56.e4 fe4 57.Ke4 h2 58.Rh1 Rh3 59.f5 Kg5 60.f6 Rh4 61.Kf3 Rh6 62.f7 Rf6 63.Ke4 Rf4 64.Ke5 Rf7 65.Rh2 Rf1 66.Rg2 Kh5 67.Rg8 Re1 68.Kd4 Rd1 69.Ke3 Kh4 70.Ke4 ½–½. bambinik – veteran, internet, 2001.

8.Nc3 d4 9.Nb5 Re8 10.Bd3 (10.Nbd4? Nd4 11.Nd4 Qd4-+) 10...a6 11.Na3 (11.Nbd4? Nd4 12.Nd4 Qd4-+) 11...Bg4 12.Qb1 (12.Qb3!?-/+) 12...Bf3-+ 13.gf3 Ne5 (13...Qd6 14.Qb3-+) 14.Be4 (14.Be2 d3 15.f4 Nc4 16.Nc4-/+) 14...Ne4 15.fe4 de3 16.fe3 Nf3 17.Ke2 Nd2 18.Qb7 (18.Qb2 Ne4 19.Rhg1-+) 18...Ne4 (18...Re4?! 19.Qd5 Qf8 A) 20.Kd2?? Rd8 21.Rab1 Rd5 22.cd5 f5-+ (22...Qa3?! 23.Rb8 Qf8 24.Rf8 Kf8 25.Kd3-/+); B) 20.Rhd1-+) 19.Qd5 (19.Qb2 Qh4 20.Raf1 Qg4 21.Ke1-+) 19…Nc3 (19...Nc3 20.Kf1 Nd5 21.cd5 Qd5 22.Rg1 Qf3 23.Ke1 Qe3 24.Kd1 Rad8 25.Kc2 Rd2 26.Kc1 Rh2 27.Kd1 Qg1) 0–1. Jongman,H – Mischke,L, corr IICF EU–M–GT–287 (year?).

8.Nc3 d4 9.ed4 Nd4 10.Nd4 Qd4 11.Be2 a6 12.0-0 Rd8 13.Qb3 Be6 14.Rac1 b5 15.d3 Rab8 16.Rb1 Rb6 17.Qc2 b4 18.Nd1 Bg4 19.Bg4 Ng4 20.Nb2 Rh6 21.h3 Qd6 22.f4 Ne3 23.Qf2 Nf1 24.Rf1 Qd4 25.Re1 Re6 26.Re6 fe6 27.Kf1 e5 28.Qd4 Rd4 29.fe5 Kf7 30.Ke2 Ke6 31.Na4 Ke5 32.Nc5 Rd6 33.Ke3 a5 34.Nb7 Ra6 35.Nc5 Ra7 36.d4 Kd6 37.Ne4 Ke7 38.Kd2 a4 39.Kc2 Ke6 40.g4 Ra5 41.h4 h6 42.Kb2 c5 0–1. Kramer – De Smit, corr NL 1986.

8.Nc3 d4 9.ed4 Nd4 10.Nd4 Qd4 11.Be2 c6 12.Rc1 Bg4 13.0-0 Rad8 14.Nb1 (14.Qb3 Be2 15.Ne2 Qd2-/+) 14...Rfe8-+ 15.Bg4 Ng4 (worse 15...Qg4 16.Qg4 Ng4 17.Rfe1-/+) 16.Qb3 Re7 (16...Re6 17.Rcd1-+) 17.Qc3 Qc5 18.Qg3 (18.h3 Ne5 19.Rce1 Rd4-+) 18...h5 19.h3 Nf6 (19...Ne5 20.Rfe1-+) 20.d3 Red7 21.Rc3 Qf5 22.Qe3 b6 23.Rd1 Re8 24.Qf3 Qf3 25.gf3 h4 26.d4 Re2 27.a4 Nh5 28.Re3 (28.c5 bc5 29.Rc5 Nf4-+) 28...Nf4 29.Nc3 (29.Re2 Ne2 30.Kf1 Nd4-+) 29...Rc2 30.Re8?? (better 30.Kf1-+) 30...Kh7 31.Rc8 (31.Re4 g5 32.Rf4 gf4 33.Rd3 Rc1 34.Kh2-+) 31...Rc3 32.Rc6 Rd4! (32...Rd4 33.Rd4 Ne2 34.Kg2 Nd4-+) 0-1. Kocevar,T (1850) - Jelen,Ig (2360), 32nd Pula Open, 2018.

8.Qb3 Bc3 9.Nc3 Na5 10.Qb4=+ b6 (10...c5 11.Qc5 Bf3 12.gf3=+) 11.cd5 Bf3 12.gf3 Nd5 13.Nd5 Qd5 14.Qe4 (14.Rg1 c5 (worse 14...Qf3 15.Qd4 g6 16.Bg2+=) 15.Qf4 Rad8=+) 14...Qc5 (14...Qd6 15.Qd3=+) 15.Bd3 (15.Rg1 Rad8=+) 15...g6 (15...f5 16.Qf4=+) 16.Ke2 (16.Be2 Rad8=+) 16...Rfe8 (16...Rad8 17.Ba6-/+) 17.Qa4 (17.Qf4 Rad8 18.Rhd1 c6=+) 17...Rad8 18.Qc2 (18.Rad1 c6-/+) 18...Qc2 (18...Qd6!?-/+) 19.Bc2=+ c5 20.d3 (20.Rac1 b5=+) 20...Nc6 21.f4 Nb4 (21...a6 22.Rac1=+) 22.Rhc1 Nc2 (22...Rd4 23.Kd2 Rd5 24.a3 Nd3 25.Bd3=+) 23.Rc2 f5 24.h4 (24.Rd1 Kf7=+) 24...Kg7 25.f3 (25.Rd1 Kh6=+) 25...Rf8 (25...Rd4 26.Rc4=+) 26.a4 Rd6 27.Rb1 (27.a5 Rfd8 28.ab6 ab6=) 27...Rc6 (27...Kh6 28.Rg1=+) 28.Rbc1 (28.d4 Kh6=) 28...Rb8 (28...Re6!?=+) 29.d4+= Rbc8 (29...Re8 30.dc5 Rce6 31.Rc3 bc5 32.Rd3+=) 30.dc5 (30.e4 fe4 31.fe4 Rf6+=) 30...bc5 (30...Rc5 31.Rc5 bc5 32.Rc4=) 31.e4 (31.Rc4 Kh6+=) 31...Ra6 (31...c4 32.Rc3=) 32.Rc4+= Ra5 (32...Rb8 33.ef5 gf5 34.Rc5 Ra4 35.Rf5 Ra2 36.Kd3 Rd8 37.Ke3 Ra3 38.Kf2 Ra2 39.Kg3+=) 33.Rg1 (33.Rb1 Kh6+=) 33...Re8 (33...Rb8!?=) 34.h5+= Re7 (34...Re6 35.Ke3+=) 35.hg6 hg6 36.Rd1 (36.Ke3 Kf6+=) 36...Rc7 (36...Rb7 37.Rd5 Rb2 38.Ke3 Rb3 39.Kf2+=) 37.Rd5 Exerts pressure on the isolated pawn 37...Kf6 38.e5 Kf7 39.Kf2 (39.Ke3 a6+=) 39...Rc6 40.Kg3 Ke6 41.Rd8 (41.Rd3 Raa6=) 41...Rca6 (41...Raa6 42.Kh4=) 42.Rc8 (42.Re8 Kd7 43.Rg8 Rb6+=) 42...Ra4 (42...Kd5 43.Rc1+=) 43.R4c5 ½–½. Roczniak,Jan – Mirkowski,Piotr, Poland, 1981.

8.h3 Bf3 9.Qf3 d4 10.Bd4?? (better 10.Bb2-/+) 10...Nd4-+ 11.ed4 Qd4 12.Nc3 Rfe8 13.Be2 Ne4 14.0-0 (14.0-0-0 Rad8 (14...Nc3?! 15.dc3 Ba3 16.Kc2-/+; 14...Bc3?! 15.dc3 Qc5 16.Kc2-+) 15.Kc2 Nd2-+) 14...Nd2 (14...Nc3?! 15.dc3 Bc3 16.Rac1-/+; 14...Bc3?! 15.dc3 Nc3 16.Bd3-/+) 15.Qd3 (15.Qb7 Bc3 16.Rad1 Qc5 17.Rd2 Bd2-+) 15...Qc3 (15...Bc3 16.Rac1 Nf1 17.Bf1 Qd3 18.Bd3-+) 16.Rfc1 (16.Rfd1 Qf6 17.Bf1 Ne4-+) 16...Qd3 (16...Qf6 17.Bg4 Rad8 18.Qc2-+) 17.Bd3 Rad8 18.Bc2 g6 19.Bb3 (19.Ba4 c6-+) 19...Bc5 20.Rc2 (20.Re1 Ne4 21.Re2 Nf2 22.Re8 Re8-+) 20...Nb3 (better 20...Re2 21.Rd1-+) 21.ab3 Rd3 22.Rb1 Red8 23.g3 (23.Kh2 a5-+) 23...Rg3 24.Kh2 Rgd3 0-1. kianas (2080) - peeuukoo (2115), ChessWorld.net, 2013.

8.Ne5 Qd5 9.Nd3 Bd6-/+.

8.Ne5 Qd5 9.Nf3 Bf5 10.Be2 Rad8 11.0-0 Bb1 (11...Rfe8!?=+) 12.Rb1= Bd2 (better 12...c5=) 13.Qd2?? (better 13.Qc2 Qc6 14.Bc4+=) 13...Qd2-+ 14.Nd2 Rd2 15.Bf3 b6 16.Rfc1 c5 17.a3 Ra2 18.Rb3 (18.Ra1 Ra1 19.Ra1 Rc8-/+) 18...Rb8 (18...Rd8 19.g4-+) 19.h3 (better 19.Rd3-/+) 19...a5?? (better 19...Rd8-+) 20.Rc5+/- Ra3 (better 20...Rf8 21.Rcc3 Nd7+/-) 21.Rcb5?? (better 21.Rb6! Rd8 22.Ra6+/-) 21...Rb3-+ 22.Rb3 a4 23.Rb1 b5 24.Bc6 a3 25.Rb5?? (25.Bb5 a2 26.Ra1 Rb5 27.Ra2-+) 25...Rb5 26.Bb5 a2 (26...a2 27.Bc6 a1Q 28.Kh2 Qe1-+) 0-1. cucosant2 – atw, Rated Bullet game, lichess.org, 2020.

8.Ne5 Qd5 9.Nf3 Bg4 10.Be2 (10.a3 Ba5-/+) 10...Rad8 (better 10...Bf3!? 11.Bf3 Qe5-+) 11.0-0=+ Ne4 12.d4 c5 13.h3? (13.Qc2 cd4 14.Nd4 Be2 15.Qe2 Rfe8=+) 13...Bh5 (13...Bc3 14.Nc3 Nc3 15.Qd3 Ne2 16.Qe2 Bf3 17.Qf3 Qf3 18.gf3 cd4 19.Rab1 de3 20.fe3-/+) 14.Nbd2? (better 14.Qa4!?=+) 14...Nc3 (14...Bd2 15.Nd2 Nc3 16.Bf3 Nd1 17.Bd5 Rd5 18.g4-+) 15.Qe1 (15.Bc4 Nd1 16.Bd5 Ne3 17.Bf7 Bf7 18.fe3 Bd2 19.Nd2 cd4 20.ed4 Rd4-/+) 15...Ne2-+ 16.Qe2 Bd2 17.Qd2 Bf3 18.gf3 Qf3 19.Qd1?? (better 19.Kh2-+) 19...Qh3 20.f3 (20.f4 Qg3 21.Kh1 Qe3 22.Qg4 Qe4 23.Qg2 Qg2 24.Kg2 cd4 25.Rfd1-+) 20...Qg3 21.Kh1 Rd6 (21...Rd6 22.Qc2 Rh6 23.Qh2 Rh2) 0-1. pudman79 (2180) - alexvdm (2170), lichess.org, 2021.

8.Ne5 Qd5 9.f4 Qc5!? 10.Nc4 Bg4-/+.

8.Ne5 Qd5 9.f4 Ne4 10.Bc4=+ Bd2?? (better 10...Qc5 11.Qb3 Nd6=+) 11.Nd2+– (11.Nd2 Qa5 12.Rb1+–) 1–0. GuestBMBQ – GuestGJPJ, freechess.org, 2017.

8.a3 Ba5 9.Be2 dc4 10.Bc4 Bg4 11.0-0 b5 12.Be2 Qd6 13.d4 Bf3 14.Bf3+= Rad8 15.Nd2 Bd2= 16.Qd2 Ne5 17.Qe2 Nc4 18.Rfc1 Qe6 19.Rc2 Rfe8 20.Bc1 Re7 21.a4 c6 22.Ba3 Na3 23.Rc6 Rd6 24.d5= Nd5 25.Bd5 Qd5=+ 26.Rc8 Rd8 27.Rd8 Qd8 28.Ra3 Rd7 29.Ra1 Rd2 30.Qe1 b4 31.a5 b3 32.g3 b2-+ 33.Rb1 Qd3 34.Kg2 Qc2 35.Kf3 Rf2!! 36.Qf2 Qb1 37.Qd2 Qf1 38.Kg4 h5! 39.Kh4 b1Q (39...b1Q 40.Qd8 Kh7 41.Qe7 Qbf5 42.Qf7 Qg4#; 39...Qf6 40.Kh3 b1Q 41.Qe2 Qe4 42.Qd1 Qfe6 43.g4 Q6g4 44.Qg4 Qg4#) 0–1. Schuchardt,Wolfgang – Rehbein,Hans Juergen, Landesliga2 Ost, 2003.

8.a4 Re8 9.Be2 Be6 10.cd5 Bd5 11.0-0 Na5 12.Ba3 Ba3 13.Ra3 Nc4 14.Rc3 b5 15.ab5 ab5 16.d3 Nb6 17.e4 Bb7 18.Qc2= Re7 19.Rc5 c6 20.Nbd2 Nfd7 21.Rg5 h6 22.Rg3 Nf6 23.Nh4 Ne8 24.f4 Nd5 25.Nf5+/– Re6 26.ed5 Re2 27.Qc3 f6 28.dc6 Bc8?? 29.Nh6+– Kf8 30.c7?? Qc7-+ 31.Ne4 Qc3 32.Nc3 Rc2 (32...Rc2 33.Nb5 gh6-+) 0–1. Stanilko – Zienkiewicz, Olsztyn, 1961.

8.Qc2 dc4 9.Bc4 h6 (9...Bd6 10.Ng5 Nb4 11.Qb3=+) 10.a3= Ba5 11.0-0 Qd6 12.d4 Bg4 (12...Be6 13.Ne5=) 13.Nbd2 (13.Ne5 Ne7+=) 13...Bd2 14.Nd2 b5 (14...Be6 15.Bd3+=) 15.Bd3+– Bh5 (15...Ne7!?+–) 16.Rac1 (16.Ne4 Ne4 17.Be4 Na5+–) 16...Ne7 17.e4 (17.Qc7 Qc7 18.Rc7+–) 17...Ng4? (better 17...Ne8!?+–) 18.e5+– Qd5 (18...Qd7 19.h3 Bg6 20.Be4 Be4 21.Ne4+– (worse 21.Qe4 Ne5 22.Qe5 Nd5+–)) 19.h3 (19.Be4 Qe6 20.Ba8 Ra8+–) 19...Ne5 (19...Bg6 20.hg4 Bd3 21.Qd3+–) 20.Bh7 (20.de5?! Rad8 21.Bh7 Kh8+–) 20...Kh8 21.Be4 (21.Be4 Qe6 22.Ba8 (22.de5?! Rad8+–) 22...Ra8 23.de5+–; 21.de5?! Rad8 22.Ne4 Ng6 23.Bg6 Bg6+–) 1–0. Janek – Albahim, internet, 2017.

8.Qc2 Re8 9.a3 Ba5 10.Be2 Bg4 11.0-0 dc4 12.Qc4 Qe7 13.d4 Bb6 (13...Be6 14.Qc2=) ½–½. Nemeth,Laszlo – Szekeres,Sandor (2130), Gongyos Matra op, 2002.

8.Qc2 g6 9.a3 Bf5 (9...Ba5 10.cd5 Nd5 11.Nc3=+) 10.Bd3 Be4 (10...Bd3 11.Qd3 Be7 12.0-0=) 11.Be4 (worse 11.ab4 Nb4 12.Be4 Nc2 13.Bc2 dc4-/+) 11...Ne4 (11...de4 12.Ng5 h6 13.Ne4 Ne4 14.Qe4 Re8+=) 12.ab4+– Nb4 13.Qb3 Nc5 14.Qc3 Ncd3? (better 14...Nbd3!? 15.Ke2 Nb2 16.Qb2 dc4+–) 15.Ke2 (15.Kf1 Nb2 16.Qb2 c5 17.cd5 b5+–) 15...d4 16.Qd4 Nb2 17.Qb2 Qd3 18.Kd1 Qc4 19.Ne5 (better 19.d4 c5 20.Nbd2+–) 19...Qe6 (better 19...Qh4+–) 20.Qb4 Qe5 21.Nc3 Rfd8 (21...b5 22.Ke2+–) 22.Ke2 (22.Qb7 Qc3 23.Ra2 a5-/+) 22...c5 (22...b6 23.f3+–) 23.Qb7 a5 (23...Rab8 24.Qe4 Qd6 25.Qc2+–) 24.f4 (24.f4 Qh5 25.Qf3+–) 1–0. Janek – LikeKasimdzhanov, internet, 2018.

9.Qc2 Bg4 10.Be2 Re8 11.a3 Ba5 12.0-0 Nf4 13.ef4 White gets in control. 13...Re2 14.Ng5 g6 15.Qb3 Qe8 16.Nc3 Nd4 17.Qb7+= Bc3 18.Bc3 Qc6 19.Qc6+/– Nc6 20.Rfe1 Rae8 21.Re2 Be2 22.f3 Bd3 23.Rc1 h6 24.Nh3 Re2 25.Nf2 Bc4 26.Ng4 h5 27.Ne3 Bd3 28.Nd5 Kf8 29.Bf6 Re6 30.Bg5 Nd4 31.Rc7 Re1 32.Kf2 Re2 33.Kg3 Nf5 34.Kh3 Re6 35.Bf6 Nd6 36.Bc3 Ne8 37.Rc8 Rd6 38.Ne3 Bb5 39.Kg3 Rd3 40.Rb8 Ke7 41.Rb7 Ke6 42.Rb6 Nd6 43.f5 gf5 44.Bb4 f4 45.Kf4 f6 46.Nf5 Kd7 47.Nd6 Kc7 48.Ba5 Rd6 1–0. Comet B50 – Doctor? 3.0, 2004.

9.Be2 Be6 10.0-0 Qe7 11.Nc3 Rfe8 12.a3 Nc3 13.dc3 Bd6 14.Qc2 Qf6 15.c4 Bf5 16.Bf6 Bc2=+ 17.Bb2 Rad8 18.Rac1 Be4 19.Rfd1 b6 20.Nd2 Bg6 21.Nb3 Be7 22.Bf3 Rd1 23.Rd1 Bc2 24.Rc1 Bb3 25.Bc6 Rd8 26.Bd4 a5 27.h3 Rd6 28.Bd5 a4 29.Bf3 Bg5 30.Be5= Rd2 31.Bc7 Be7 32.Bb6 Ba3 33.Rb1 Bc4 34.Bd1 Ba2 35.Ra1 Bb2 36.Ra2 Rd1 37.Kh2 a3 38.Bc5 Rd3 ½–½. mafergut – marekt, ChessWorld.net, 2003.

9.Be2 Re8 10.0-0 Bg4 11.d4 Qe7 12.a3 Bd6 13.Qb3 Be6 14.Qc2 Bg4 15.Nbd2 Nf6 16.Bd3 Bf3 17.Nf3 Ne4 18.Rac1 h6 19.h3 Kf8 20.d5 Nb8 21.Nd4 g6 22.Be4 Qe4 23.Ne6 Re6 24.de6 Qe6 25.Qc3 Ke7 26.Qh8 h5 27.Rcd1 b5 28.e4 f6 29.Qg7 Qf7 30.Bf6 Ke6 31.Qf7 Kf7 32.e5 Bc5 33.Rd8 Bb6 34.Re1 c5 35.e6 1–0. Makowski – Brachaczek, Poland 1987.

8.Bc4 Bd6 9.0-0 Bg4 10.Be2 Re8 11.Re1 Ne5 (11...Nb4!?=+) 12.Ne5= Be2 13.Qe2 Be5 14.Be5 Re5 15.d4 Re7 16.Nc3 Qe8 17.Qb5 Qb5 18.Nb5 a6 19.Nc3 Rae8 20.f3 (better 20.Rab1 b6 21.d5=) 20...Re3-/+ 21.Re3 Re3 22.Rc1 c6 23.Na4 Ra3 24.Nc5 b6 (24...b5 25.Ne4 Ne4 26.fe4-/+) 25.Nb7 (25.Ne4 Ne4 26.fe4 h5=+) 25...c5 (better 25...Ra2!? 26.Rc6 h6-/+) 26.dc5= bc5 27.Rc5 h6 28.Ra5 Ra5 29.Na5 Kf8 30.Kf2 Ke7 31.Ke3 Kd6 32.Nc4 Kc5 33.Kd3 Nd5 34.g3? (better 34.Ne5!?=+) 34...Nb4-+ 35.Kc3 Na2 36.Kb3 Nb4 37.Na5 (37.Ne5 f6 38.Ng6 Nc6-/+) 37...Kb5 (37...Nc6!? 38.Nb7 Kd5-+) 38.Nb7-/+ a5 (better 38...Nc6!? 39.Nd6 Kc5 40.Nf7 Nd4 41.Ka4 Nf3-/+) 39.Nd6= Kc5 40.Nf7 Kb5 (40...Nc6 41.Ka4=) 41.Ne5 (better 41.Nd6!? Kc5 42.Nf5+/-) 41...a4=+ 42.Ka3 Nc2 43.Ka2 Kb4 44.Nd3 Kc3 45.Nc5 a3 46.f4 Kb4 47.Ne6 Ka4 48.Ng7?? (better 48.Nc5 Kb5 49.Ne6=) 48...Nb4-+ 49.Ka1 Kb3 50.Ne6 (50.Kb1 a2 51.Kc1 a1Q 52.Kd2 Qg1 53.Nf5 Qf2 54.Kd1 Kc3 55.Nh6 Qd2) 50...Nc2 51.Kb1 a2 52.Kc1 a1Q 53.Kd2 Qa5 (53...Qe1 54.Kd3 Qe3) 54.Ke2 (54.Kd3 Qd5 55.Nd4 Qd4 56.Ke2 Qe3 57.Kf1 Qf3 58.Kg1 Ne3 59.f5 Qg2) 54...Qa6 55.Kf3 Qe6 56.g4 (56.h4 Nd4 57.Kg2 Qe2 58.Kh3 h5 59.f5 Qf1 60.Kh2 Nf3) 56...Nd4 (56...Qe3 57.Kg2 Ne1 58.Kf1 Nd3 59.Kg2 Qf2 60.Kh3 Nf4) 57.Kg3 (57.Kg2 Qg4 58.Kf2 Qf3 59.Ke1 Qe2) 57...Qe3 58.Kh4 Qf4 (58...Qf4 59.Kh3 Qf2 60.g5 Qf3 61.Kh4 Nf5; 58...Nf3 59.Kh5 Qf4 60.Kg6 Ne5 61.Kg7 Qf7 62.Kh6 Qg6) 0-1. bazilishek (1655) - Nazghul92 (1665), lichess.org, 2020.

8.Bc4 Ne4 9.0-0 Bg4 10.d4 Qf6 11.Be2 Qg6 (11...Rfe8 12.Qc2 Qh6 13.Ba3=) 12.Nbd2 (12.d5 Rad8=) 12...Nd2=+ 13.Nd2 Be2 14.Qe2 Bd6 (14...Qc2 15.Bc1=) 15.Nf3 Rae8 16.Qc4 Re4 17.Qb3 Rb8 18.Ba3 Ba3 19.Qa3 a6 20.Rac1 Rg4 21.g3 Qf6 22.Nd2 Ne7? (better 22...Qd8=) 23.Rc7+/- Nf5 (23...Nd5 24.Rc5 Ne7 25.Rfc1+-) 24.Rfc1 (better 24.Rb1 h6 25.Rbb7 Rb7 26.Rb7+-) 24...h6? (24...Nd6 25.Qb2+-) 25.Rc8 (better 25.h3 Rg5 26.Ne4+-) 25...Rc8 26.Rc8 Kh7 27.Qf8 Nh4? (27...Qe6 28.Nc4 Nd4 29.Qg8 Kg6 30.ed4 Qe1 31.Kg2 Qe4 32.Kf1 Qb1 33.Ke2 Qc2 34.Ke3 Qc3 35.Ke2 Qc2 36.Ke1 Qc1 37.Ke2 Qc2=) 28.Qh8 (28.h3 Rg5 29.Qh8 Kg6+-) 28...Kg6 29.Rc5 (better 29.h3 Nf3 30.Nf3 Rg3 31.fg3 Qf3 32.Qe8 Qg3 33.Kf1 Qh3 34.Ke2 Qg2 35.Kd3 Qf1 36.Kc2 Qg2 37.Kb3+-) 29...Nf3 30.Nf3 Qf3 31.Qc8 Qd1 (better 31...Rg5+-) 32.Kg2 Qd2 (32...Rg5 33.Qb7 Rc5 34.dc5+-) 33.Qb7 (33.Qf5) 33...Qa2+- 34.Qc6 (better 34.Rc6!? f6+-) 34...Kh7 35.Qd5 Rg5?? (better 35...Qd5 36.Rd5 Rg6+-) 36.Qa2 (36.Qa2 Rc5 37.dc5+-) 1-0. cucosant2 (1740) - O_partizanos (1735), Rated Blitz game, lichess.org, 2021.

9.Be2 c5 10.a3! Adam.

9.Be2 Bf5 10.0-0=+.

10.0-0 Nc4 11.Bf6 (better is 11.Qb3 Nd2 12.Qb4 Nf1 13.Bf1+/–) 11...Qf6=+ (11...gf6? 12.Qb3 Nd2 13.Qb4 Nf1 14.Bf1+–) 12.d4 Bd6 13.Nc3 Rfe8 14.Ne4 Qe7 15.Nd6 Nd6 (< 15...cd6 16.d5 Ne3 17.fe3+/–) 16.Nd2 c6 17.Qc2 Rad8 18.Nc4 Bd5 19.Nd6 Rd6 20.a4 Qg5 21.g3 Rh6 22.Qd1? (better is 22.Bc4=+) 22...Qf5-+ 23.Bg4 Qe4 24.f3 Qe3 25.Kh1 Bc4 26.Re1 Be2 27.Qb1 (27.Re2 Qe2 28.Qe2 Re2 29.h3-+) 27...Qf2 (27...Bf3?! 28.Bf3 Qf3 29.Kg1-+) 28.h4 Qg3 29.h5 Bf3 30.Bf3 Qf3 31.Kg1 Qg3 32.Kf1 Rf6 0–1. hal1958 – Apsyrtes, HCL–E922 playchess.de, 2003.

10.0-0 Bd6 11.Qa4 Nc6 12.d4=+.

10.0-0 Qe7 11.Qa4 c5 (11...Nc6 12.a3 Bd6 13.Qh4=) 12.Qc2= c4 (12...Nc6 13.Ng5 g6 14.a3+=) 13.Ne5 (13.Ng5 g6=) 13...g6 (13...Rac8!?=+) 14.a3 (14.Nc4 Nc4 15.Bc4 Rac8-/+) 14…Bd6= (15.Nc4 Nc4 16.Bc4 Rfc8=). Pane,Alberto – Moerman,M, BS–PCSI, 1995.

10.0-0 Qe7 11.Qc2 Nd5 =.

10.0-0 Qe7 11.Nc3 Rfd8 12.Rc1 Nc6 13.Qa4 Bc3 14.Bc3 a6 15.Qh4 Rd7 16.Bf6+= Qf6 17.Qf6 gf6 18.a3 Kf8 19.Rb1 Na5 20.Rfc1 c6 21.h3 Ke7 22.Nd4 Rg8+= 23.Kh2 Rc8 24.Bf3 Nc4? 25.Ne6+– Nd2 26.Nc5 Nb1 27.Nd7 Kd7? 28.Rb1 Rc7 29.Rb4 b5 30.Rf4 Ke6 31.Bg4 Ke5 32.Rf5 Ke4 33.Rf6 c5 34.Ra6 c4 35.Rb6 c3 36.Rb5 (36.Rb5 Kd3 37.Bf5 Ke2 38.Kg3+–) 1–0. ncc_1701 – Old Sisyphus, ChessWorld.net, 2005.

10.Qa4? c5! 11.a3 Bb3. Adam.

10.Qc2 Nc6 11.0-0 Bd6 12.a3 Na5?? 13.Ng5+– Re8 14.Bf6 Qf6 15.Qh7 Kf8 16.Ne6 fe6 17.Nc3 Nb3 18.Ne4 Qh6 19.Qh6 gh6 20.Rab1 Na5 21.Bb5 Re7 22.Nd6 cd6 23.Rfc1 a6 24.Be2 b5 25.a4 ba4 26.Bd1 Nb3 27.Bb3 ab3 28.Rb3 a5 29.Kf1 a4 30.Ra3 Rb7 31.Rc4 Rba7 32.f4 d5 33.Rb4 h5 34.Kf2 Kf7 35.Kf3 Kf6 36.d3 h4 37.e4 de4 38.de4 Ra5 39.Rb7 R5a7 40.Ra7 Ra7 41.Kg4 Rg7 42.Kh3 (42.Kh3 Rd7 43.Ra4+–) 1–0. Adam – Kahl, corr, 1988.

10.Qc2 Be7 11.Ng5 g6 12.Ne6 fe6 13.0-0 c5 14.Qc3 Nc6 15.d3 Nb4 16.Nd2 Nbd5 17.Qb3 Qb6 18.Qc2 Nb4 19.Qb1 Rad8 20.Nc4 Qc7 21.a3 Nbd5 22.Qc2 b5 23.Nd2 Bd6 24.Nf3 Ng4 25.h3 Rf3? 26.Bf3+/– Bh2 27.Kh1 Bg1 28.g3 Nf2 29.Rf2 Qg3 30.Rg2 Qh3? 31.Kg1+– Qf3 32.Qe2 Qe3+= 33.Qe3 Ne3 34.Re2 Rd3=+ 35.a4 b4-/+ 36.Rae1 Nd1 37.Bf6 c4 38.Re6+= Kf7 39.Bh8+/– Re3? 40.R1e3+– Ne3 41.Re3 1–0. Krafzik,Joachim (1845) – Siegl,Wolfgang, Chiemgau Cup Seniors 3th, 2007.

10.Qc2 Re8=+.

10.Nc3 Nc4 11.Qc2 Nb2 12.Qb2 Bc3 13.Qc3 b6 14.0-0 Ne4 15.Qc2 Nf6 (15...Bd5 16.Ne5=) 16.a4 c5 17.h3 Nd5 18.d4 Nb4 (18...Rc8 19.Qd2=) 19.Qd2 a5 20.Bb5 c4 (better 20...Bd5!? 21.Ne5 Qd6=) 21.Rfc1+/- Rc8 22.Ne5 c3 23.Rc3 Rc3 24.Qc3 Qd6 25.Rc1 Na2 (25...f6 26.Nc4 Qb8 27.Qd2+-) 26.Qc6 (better 26.Qc7!? Qa3 27.Rf1+-) 26...Qb8+/- 27.Nd7?? (better 27.Ra1+/-) 27...Bd7-+ 28.Qd7 (28.Qc2 Nc1 29.Bd7 Qd6-+) 28...Nc1 29.Qf5 Na2 30.Bd3 g6 31.Qd5 0-1. Darkseid (1740) - Void (1905), ChessWorld.net, 2006.

9.0-0 b5 10.Be2 Re8 11.d4 Bb7 12.a3 Bd6 13.Nbd2 Ne7 14.a4 (14.Nb3 Ne4=) 14...Bf3 (14...b4!?=) 15.Nf3 Ng6? (better 15...c6+=) 16.ab5+- ab5 17.Bb5 Ra1 18.Ba1 Rf8 19.Qd3 Qb8 (19...Qa8 20.Bc4+-) 20.Rb1 (20.d5 Qd8 21.Bc6 Ng4+-) 20...Rd8 (20...Qa8 21.Bc4+-) 21.h3 (21.Bc6 Qc8+-) 21...c5 22.Bc4 (22.dc5 Bc5 23.Qc4 Be7+-) 22...Qa7 (22...Qc7 23.Rc1+-) 23.Ng5 Nh8 (23...Rd7 24.Qb3+-) 24.Qc2 cd4?? (24...Qc7+-) 25.Bd4 (25.ed4?! Bf4 26.Nf3 Ng6+/-) 25...h6 (25...Qc7 26.Bf6 gf6 27.Qh7 Kf8 28.Qh8 Ke7 29.Qg7 Bh2 30.Kh1 Qc4 31.Nf7+-) 26.Ba7 (26.Ba7 hg5 27.Bd4+-) 1-0. OnlyPolishOpening (1845) – chiefknott, lichess.org, 2020.

9.0-0 Bf5 10.Qb3 b5 11.Be2 Bd6 12.a3 Na5 13.Qc3 Nc4 14.Bc4 bc4 15.Qc4 Bd3 16.Qh4 (16.Qd3 Bh2 Double attack) 16...Bf1 17.Kf1 Be7 18.Nc3 Rb8 19.Nd1 Qd3 20.Kg1 Rfd8 21.Bc3?? (better 21.h3-+) 21...Rb1 22.h3 (22.Rb1 Qb1 23.Qa4 Ne4-+) 22...Ra1 (better 22...Nd5 23.Qd4 Nc3 24.Qd3 Rd3 25.Rb1 Nb1 26.Kf1-+) 23.Ba1 Qc2 24.Bf6 Bf6 (24...gf6?! 25.Nc3=) 25.Qf4 Qd1 26.Kh2 Qa1 27.Qc7 Qa3 28.d4 (28.e4-+) 28...Qd6 29.Qd6 Rd6 0-1. carlos78 (2345) - changaei (2390), Rated Blitz game, lichess.org, 2015.

9.Be2 Ba5 10.0-0 Bd5 11.d4 Bf3 (11...Ne4!?=) 12.Bf3+= (worse 12.gf3 Nd5=) 12...Re8 13.Qa4 (13.Bc6 bc6 14.Qa4 Qd5+/-) 13...Bb6 (13...Ne4!?+=) 14.Bc6+/- bc6 15.Qc6 Qe7 16.Nd2 Rac8 17.Nf3 Ne4 (17...Rcd8 18.Ne5+/-) 18.a4 a5 19.Ba3 Qf6 20.Qf6 gf6 21.Ne5?? (21.Rfc1 f5+-) 21...f5?? (better 21...fe5 22.de5 Re5-+) 22.f3?? (better 22.Nc6!?+-) 22...Nd2 (better 22...Re5!? 23.de5 Be3 24.Kh1 Nf2 25.Rf2 Bf2=) 23.Rfd1+/- Nb3 (better 23...Re5 24.de5 Be3 25.Kh1 Nc4+-) 24.Rab1+- f6 (24...Re5 25.de5 Be3 26.Kh1 Nc5 27.Bc5 Bc5+-) 25.Nd3 (25.Rb3?! fe5 26.Bc5 ed4 27.ed4 Re2+/-) 1-0. cucosant2 – YroslavAl, Rated Bullet game, lichess.org, 2021.

9.Be6 fe6 10.0-0 Qd3 11.Ne5 Ne5 12.Be5+=.

9.Be6 fe6 10.0-0 Qd7 11.Qb3 (11.Bf6 Rf6 12.Qb3 a5=) 11...b6 (11...Nd5 12.e4 Nf4 13.d4+=) 12.a3 (12.Bf6 Rf6 13.d4 Bd6=) 12...Bd6 13.Nc3 (13.Bf6 Rf6 14.d4 Na5=) 13...a6 14.Ne2 Kh8 (14...Na5 15.Qc2=) 15.d4 Na5 16.Qa2 (16.Qc2 c5=) 16...Rae8 17.Rfd1 c6 (17...Qb5 18.Bc3=) 18.Ne5 (18.Bc3 Nb7+=) 18...Qc7 19.Nf4 Attacks the isolani on e6 19...Nd5 (19...Be5 20.de5 Nd5 21.Nd3=) 20.Nfd3 c5 21.Rac1 Nb7 22.g3 (22.a4 Rd8+=) 22...Nd8 (22...Qe7 23.e4 Nf6 24.Qb3 Be5 25.de5=) 23.dc5+= bc5 24.Qc4 Qb7 25.Ba1 Be5 (25...Nf7 26.Nf7 (26.Nc5?! Bc5 27.Qc5 Ng5+=) 26...Qf7 27.e4+/–) 26.Ne5 (26.Be5 Nf7 27.Nc5 (worse is 27.Qc5 Ng5 28.Bd6 Rf6+=) 27...Ne5 28.Nb7 Nc4 29.Rc4+–) 26...Qc8 (better is 26...Nf7!? 27.e4 Nf6 28.Nf7 Rf7 29.Bf6 Rf6+/–) 27.Qc5+– Qc5 (27...Qa8 28.Qc8 Nf7 29.Qa8 Ra8 30.Nf7 Rf7 31.Rc6+–) 28.Rc5 Re7 (28...Nf7 29.e4 Ne5 30.Be5+– (30.ed5?! ed5 31.Rc7 Rf5+/–)) 29.Rdc1 (better is 29.Rc8!? Kg8 30.e4 Rc7+–) 29...h6?? (29...Kg8+–) 30.Ng6 (30.Ng6 Kg8 31.Rd5 ed5 32.Ne7 Kh7 33.Nd5+–) 1–0. Nikitina,Zoya N (1735) – Surkova,Ekaterina (1650), Open Tver Region Championship, 2014.

9.Be6 fe6 10.0-0 Ne4 11.d3= Nf6 12.Ba3 Ba3 13.Na3 Qe7 14.Nc4 Rad8 15.Qc2 (15.Qb3 Rb8=) 15...b5 (15...Nb4 16.Qb2=+) 16.Ncd2 (better 16.Nce5 Ne5 17.Ne5=) 16...Ng4?? (16...Nb4!? 17.Qb1 Nd3 (17...Rd3? 18.a3+-) 18.Qb5 Rd5=) 17.h3 (17.Qc6 Rd3 18.Qe4 Rfd8 19.Qg4 Rd2 20.Nd2 Rd2+-) 17...Nf6?? (17...Nb4 18.Qb1 Nf6 19.d4+=) 18.Nb3?? (18.Qc6 Rd3 19.Qb5 Rfd8+-) 18...Qf7?? (better 18...Qd6=) 19.Qc6+- Rd6 (19...Rd3 20.Nbd4 Qe8 21.Rfc1+-) 20.Qb5 Qg6 21.Qc4 (21.d4 Nd7 22.Qb7 Rd5+-) 21...Re8 (21...Qd3 22.Qd3 Rd3 23.Rfc1+-) 22.Qc1 (22.Ne5 Qh5 23.d4 Nd5+-) 22...c5 (22...Qd3 23.Qc7 Qa6 24.Rfc1+-) 23.Nc5 Rc8 24.d4 (better 24.Qa3 Qf7+-) 24...Rdc6 (24...Nd7 25.Qa3 Nc5 26.dc5+-) 25.Qb1 (better 25.Ne5 Qe8 26.Nc6 Rc6+-) 25...e5 (25...Qe8 26.Ne5 Rb6 27.Qd3+-) 26.Qg6 (26.Qb3!? Qf7 27.Qf7 Kf7 28.Ne5 Ke7 29.Nc6 Rc6+-) 26...hg6 27.Ne5 Nd5 (27...Rc5 28.dc5 Rc5 29.Ng6+-) 28.Nc6 Rc6 29.Nd7 (29.Rab1 Nb6+-) 29...Rc7 30.Nc5 Nc3?? (30...Rc6 31.Rab1 Rb6+-) 31.Rac1 (better 31.Kh2 Kf7+-) 31...Ne2 32.Kh1 Nc1 33.Rc1 Kh7 (33...Kf7 34.e4+-) 34.Rd1 (better 34.e4 Rf7 35.Kg1+-) 34...Rd7 (34...Kg8 35.e4+-) 35.Kh2 (better 35.Nd7 g5+-) 35...Rc7 36.f3 Rb7 (36...Kg8+-) 37.Kg1 (37.Kg1 Rb5 38.a4+-) 1-0. cucosant2 – dwiesik, Rated Bullet game, lichess.org, 2020.

9.Be6 fe6 10.Qb3 Qd5 11.0-0 a6 (11...Qb3 12.ab3 Na5 13.Ra4= (13.Nd4 c5 14.Ne6 Rfc8 15.Bf6 gf6=+) 13...c5 14.Bc3 Bc3 15.Nc3 b6=) 12.Nc3 (12.Rc1 Qb3 13.ab3 Na5 14.Rc7 Nb3 15.Ra2 Rfb8=; 12.Bf6 Rf6 13.Nc3 (13.Qd5 ed5 14.a3 Bd6 15.Nc3 Rf5=; 13.d4 Qh5 14.a3 Rg6 15.Qc2 Bd6=+) 13...Qb3 14.ab3 Rd8 15.Ne4 Rf5=; 12.Qd5 ed5 13.a3 (13.Bf6 Rf6 14.Nc3 Rd8 15.Rab1 b5=) 13...Bd6 14.Bf6 Rf6 15.Nc3 Rf5=; 12.Bc3 a5 (12...Bd6) 13.Bf6 Qb3 14.ab3 gf6 15.d4 Rad8=) 12...Qb3 13.ab3 e5 14.Rfd1 (14.d3 Na5 (14...Rad8; 14...Rfd8; 14...Bc3) 15.Na2 Bd6= 16.Be5 Be5 17.Ne5 Nb3=+; 14.Ra4 b5 15.Ra2 Bd6 16.d4 ed4 17.ed4 Nb4=+) 14...Rad8 (14...e4 15.Ng5 Rae8 (15...Rfe8= 16.d3 ed3 17.Rd3 Rad8=) 16.d3 ed3 17.Rd3 Ne5=) 15.d4 (15.d3 Rd7= (15...Na5= 16.Na2 Bd6 17.Be5 Be5=; 15...Kf7 16.Ne4 Ne4 17.de4 Rd1=) 16.Ne2 Rfd8 17.Ne5 Ne5=+) 15...ed4=+ 16.ed4 Rde8 (16...Rfe8 17.Kf1=+ Ne7=+) 17.Kf1 (17.d5 Ne7=) 17…h6 (17...h6 18.d5 Ne7=+; 17...Bc3=+). Kern,Michael – Woschkat,Karl_Heinz, corr 3GMM–58, 1995.

9.0-0 Bd6=+.

9.0-0 Ne5?? 10.Ne5 Bd6 (10...Be6 11.Be6 Re6 12.d4+-) 11.d4 (11.Nf7!? Bh2 12.Kh2 Qe7 13.Nd6 Be6 14.Ne8 Re8 15.Be6 Qe6+-) 11...Bg4 (11...Be6 12.Be6 Re6+-) 12.Ng4 Ng4 13.Qg4 h5 (13...Qf6 14.Nd2+-) 14.Qh5 g6 (14...Qf6+-) 15.Qg6 (15.Qg6 Kh8 16.Qh6 Kg8 17.Bd3 Bh2 18.Kh1+-) 1-0. fishissushi (1810) - NordicSunset (1890), Rated Bullet game, lichess.org, 2020.

9.0-0 Be6 10.Be6 Re6 11.Ng5=.

9.0-0 Bg4 10.Be2 (10.Qb3 Qe7=) 10...Qd6 (10...a6 11.d3+=) 11.a3= Ba5 12.Nc3 a6 13.Qc2 (13.d4 Rad8=) 13...Rab8 14.d4 Bf3 (14...Qe6 15.Rac1=) 15.Bf3+= Ne7 16.Ne4 Ne4 17.Be4 h6 18.Bh7 Kh8 19.Bd3 c6 20.e4 Qg6 (20...Bc7 21.e5 Qd7 22.Qe2+=) 21.f4 Qh5 (21...Bb6 22.Qb3 Nc8 23.e5+=) 22.Rf3 (22.f5 Bc7 23.g3 Ng8+=) 22...Bb6 (22...Bc7 23.Rb1+=) 23.Kh1 (23.f5+/–) 23...Ng8 (23...f5 24.ef5 Qf7 25.Rc1+=) 24.f5 (24.d5 A) 24...cd5?? 25.Rh3 Qg6 26.Rg3 (26.ed5?! Qd6+/–) 26...Qg3 27.hg3+–; B) 24...f6 25.d6 Rf8+–) 24...Rbd8 (24...Nf6 25.Rh3 Qg5 26.e5+=) 25.Rh3 (25.d5 cd5 26.Rh3 Qg5+–) 25...Qg4 (25...Qg5 26.d5 Nf6 27.Rg3=) 26.Rg3 (26.d5 f6 27.Qb3 cd5+–) 26...Qh4 27.d5 f6 (27...Nf6 28.Rh3 Qg5 29.Qb3=) 28.dc6 Rc8 ½–½. Klarius,G – Sampieri,M, corr EU/M/Gr/801 (year?).

9.Be2 Bd7 10.0-0 Ng4 11.d4 Bf5 (11...Be6 12.e4 Qf6 13.a3+=) 12.Bc3 (12.d5 Nce5=) 12...Bd6 (12...Bb1 13.Bb4 Ba2 14.Ra2 Nb4 15.Ra4=+) 13.h3 (13.Qb3 Rb8=) 13...Nf6 14.Qb3 Be4 15.Bb4?? (better 15.Bc4 Qd7 16.Nfd2=) 15...Bb4-+ 16.Bb5 Bd6 17.Bc6 (17.Bc4 Bf3 18.Bf7 Kf8 19.gf3 Re7-+) 17...bc6 (17...Bc6 18.Nc3-+) 18.Ne5 (18.Nbd2 Bd5 19.Qc2 Qe7-+) 18...Be5 (18...Bd5 19.Nc4-+) 19.de5 Re5 20.Nc3 Bg2! (20...Bg2 21.Kg2 Rg5 22.Kf3 Nd5-+) 0-1. cucosant2 – TrueNorthRecoil, Rated Bullet game, lichess.org, 2020.

9.Ng5 Be6 10.Ne6 fe6=.

9.h3 Be6=+ 10.Be2 (10.Be6 fe6 11.Qb3 Rb8=) 10...Qe7 11.0-0 Rad8 12.d4 a6 13.Nc3 Nd5 14.Qc2 Nc3 (14...Bd6 15.a3 Nc3 16.Qc3=+) 15.Bc3= Bf5 (15...Bd5 16.Bb4 Nb4 17.Qb2=) 16.Bd3 (16.Qf5 Bc3 17.Rab1 Nd4 18.Nd4 Bd4 19.Rb7 Rd6+/-) 16...Bd3 17.Qd3 Bc3 18.Qc3 Qe4 19.Rab1 Rb8 20.Rfc1 h6 21.Rd1 Rec8 22.Rdc1 Na7 (22...Re8!?=) 23.a4 Nc6 24.Qb2 b5 25.ab5 (25.Qc3 Ne7+/- (25...ba4? 26.Nd2 Nd4 27.ed4+-)) 25...ab5 (25...Rb5 26.Nd2 Qb1 27.Qb1 (27.Nb1?? Rb2 28.Nc3 Nb4-+; 27.Rb1?! Rb2 28.Rb2 Kf8+=) 27...Rb1 28.Rb1+=) 26.Qc2 (26.Rc5 Na7+/-) 26...Qc2+= 27.Rc2 Na5 (27...Ne7 28.Rc5 c6 29.Ne5+=) 28.Ne5 (28.Rc5 c6+/-) 28...f6 29.Nc6 (29.Nd7 Rb7+/-) 29...Nc6+= 30.Rc6 Kf7 (30...Rb7 31.Rb4+=) 31.Rb4 Ke7 32.d5 Kd7 33.e4 Rb6 (33...Re8+/-) 34.Rc5 (better 34.Rb6 cb6 35.Rb5 Rc1 36.Kh2+-) 34...Rcb8= 35.f3 1-0. BAMABAM (1615) - pdupont (1685), Rated Bullet game, lichess.org, 2013.

9.0-0 Ne4 10.Nd4 Nd4 11.Bd4 Nd6 12.Bb3 Qg5 13.Qf3 Be4 14.Qg3 Qg3 15.hg3 Rfd8 16.f3 (16.a3 Ba5=+) 16...Bc6 (16...Bd3 17.Rc1 c5-/+) 17.Nc3? (17.Be5 Kf8=) 17...Nb5 (better 17...Nf5!? 18.a3 Ba5-+) 18.Nb5=+ Bb5 19.Rfd1 (19.Rfc1 Rac8=+) 19...c5-/+ 20.Be5 (20.Bc3!? Be2 21.Rdb1 Bc3 22.dc3=+) 20...Rd2 21.Rd2 Bd2 22.e4 (22.Kf2 Re8 23.a4 Ba6-+) 22...c4 23.Bc2 Rd8 24.Rb1 a6 25.a4 Bc6 26.Kf1 Rd7 27.Ke2 b5 28.Rd1 Bb4 29.Rd7 Bd7 30.ab5 ab5 31.Ke3 Bc5 32.Kd2 (32.Bd4 Be7-+) 32...b4 33.Bb1 (33.Bd1 f6 34.Bc7 Kf7-+) 33...f6 (33...c3 34.Bc3 bc3 35.Kc3-+) 34.Bf4 Kf7 35.g4 Ke6 (better 35...c3 36.Kc2 Ba4 37.Kd3 Bb5 38.Kc2-+) 36.Be3 (36.g5-+) 36...Ke5 (better 36...c3 37.Ke2 Bb5 38.Kf2 Be3 39.Ke3 b3-+) 37.Bc5+- Kf4?? (better 37...b3+-) 38.Bd6 (worse 38.Bb4 Kg3+-) 38...Kg5 39.Bb4 Kf4 (39...Ba4 40.Ba2+-) 40.Bd6 Kg5 41.Kc3 Kh4 (41...Be6 42.Ba2+-) 42.Ba2 Be6 43.Bc4 Bc4 44.Kc4 Kg5 (44...h5 45.Be7 hg4 46.e5 gf3 47.gf3+-) 45.Bf8 Kg6 46.Kd5 h6 (46...Kf7 47.Bg7! Kg7+-) 47.Ke6 f5 48.ef5 Kg5 49.Bg7 h5 50.gh5 Kh5 51.f6 (51.Be5 Kh6 52.f6 Kg6 53.f7 Kg5 54.f8Q Kg6 55.Qf6 Kh5 56.g4) 51...Kg5 52.f7 (52.Bh6 Kh6 53.f7 Kg5 54.f8Q Kg6 55.Qf7 Kh6 56.g4 Kg5 57.Qf6) 52...Kh4 (52...Kf4 53.Be5 Ke3 54.g4 Kd3 55.g5 Kc2 56.f8Q Kd3 57.Qf5 Kd2 58.g6 Kd1 59.Qd3 Kc1 60.Bd6 Kb2 61.Ba3 Ka2 62.Qc3 Kb1 63.Qb2) 53.f8N (53.Be5 Kh5 54.f8Q Kg6 55.Qf6 Kh5 56.g4) 53...Kg3+- 54.Ng6 Kg2 55.Kf6 (better 55.f4+-) 55...Kf3 56.Kf5 Kg3 57.Bd4 Kf3 58.Ne5 Kg3 59.Kg5 Kg2 60.Kg4 Kh2 61.Kf3 Kh3 62.Nd3 Kh2 63.Nf2 Kg1 64.Ng4 Kh1 65.Nf2 Kg1 66.Nh3 Kh1 67.Kg3 ½-½. fishissushi (1790) – Anonymous, Casual Blitz game, lichess.org, 2020.

9.0-0 Be7 10.Qb3? (better 10.Bf6 Bf6 11.d4=) 10...Na5-+ 11.Qb5 Nc4 12.Qc4 Bd3 13.Qh4 (13.Qb3 Bf1 14.Kf1 Bd6-+) 13...Bf1 14.Kf1 Qd3 15.Kg1 (15.Ke1 Rfd8-+) 15...Rfe8 (better 15...Qc2 16.Nc3 Qb2 17.Rb1-+) 16.Ng5?? (16.Qd4 Qa6 17.Nc3-+) 16...h6 (better 16...Qc2!? 17.Nc3 Qb2 18.Rb1 Qd2 19.Qc4-+) 17.Nf3 Qc2 18.Nc3 Qb2 19.h3 (19.Rb1 Qc2 20.Qc4-+) 19...Qa1 20.Kh2 Qf1 (better 20...Bd6 21.Ne5 Be5 22.f4 Bc3 23.Qf2-+) 21.Ne5 Bd6 22.f4 Be5 (better 22...Re5 23.a3-+) 23.fe5 Re5 24.Qd4 Rg5 (24...Rg5 25.g4 Qf2 26.Kh1 Qg3-+) 0-1. eem63 (1690) - mold26 (1995), Hourly Blitz Arena, lichess.org, 2019.

9.0-0 a6 10.Be2 Qd6 11.a3 Ba5 12.d4 Ne4 (12...h6 13.h3 Bh5 14.Nc3=) 13.Nfd2 Nd2 14.Nd2 Be2 15.Qe2 Bd2 16.Qd2 Qd5 17.Rac1 Rac8 (better is 17...Rad8!?=) 18.Rc5+/– Qd6 19.Rg5 (19.Qc3!? Ne7 20.e4+/–) 19...f6+= 20.Rg3 Rfe8 21.Qd1 (21.Qd3 Qd5+=) 21...Re4 (21...Qd5!?=) 22.Qb3+/– Kh8 23.Rc1 (23.Qb7? Rb8 24.Qa6 Rb2-+) 23...b6 (23...Na5 24.Qd3 Rce8 25.Bc3+=) 24.Qc4 (24.Qd3 Ree8+/–) 24...Nb8 (24...Ne7 25.Rh3+/–) 25.Qf7 (25.Rh3 h6+/–) 25...Re7 26.Qh5 Qe6 (26...Rd8!?+=) 27.Rh3 h6 28.d5 Qf7 29.Qf5 Rd8 30.e4 a5 (30...c6 31.Rh6! gh6 32.Bf6 Kg8 33.Be7 Qf5 34.ef5 Rd5 35.f3+=) 31.Rd3 (31.f3 c6 32.Bd4 cd5 33.Bb6 Rdd7+/–) 31...Na6+/– 32.f3 (32.Bd4!?+/–) 32...Nc5 33.Rdd1 Nb7 (33...Qe8 34.Bd4+/–) 34.a4 (34.Rc6 Qe8 35.Rf1 Rd6+/–) 34...Nd6 (34...Qe8 35.Rd4 Nc5=) 35.Qf4+– Red7 36.h3 Kg8 37.Kh2 (37.Rc6 Qe7+–) 37...Ne8 38.g4 (38.Rc6 Rd6 39.Qc1 Rc6 40.Qc6 Qd7+/–) 38...Qe7 39.Rc4 (39.Qd2 Qd6 40.Kg2 c6+=) 39...Qd6 (better is 39...Rd5! 40.Rd5 Rd5 41.ed5 Qe2 42.Kg3 Qe1 43.Kg2 Qe2 44.Kg1 Qe1 45.Kg2 Qe2 46.Kh1 Qf1 47.Kh2 Qe2 48.Kg3 Qe1 49.Kg2=) 40.Kg3 Qf4 41.Kf4 g5 42.Ke3 (42.Kg3 c5+/–) 42...Kf7 (42...c5 43.Rc2+/–) 43.Ba3 (43.Bd4 Kg6+/–) 43...Rb8 44.Rb1 Ng7 45.Rc6 Ne8 46.Rb5 Rb7 47.Kd4 Nd6 48.Bd6 Rd6 49.Rd6 cd6 50.Rb3 Ke7 (50...Rb8!?+/–) 51.Kc4+– Rb8 52.Kb5 Rc8 53.Ra3 Rc5 54.Kb6 Kd7 (54...Kf7 55.Ka6+–) 55.Rb3 Kc8 (55...Ke8 56.Rb5 Rc3 57.Ra5 Rf3 58.Rb5+–) 56.Ka6 Kd7 57.Rb7 Ke8 58.Rb1 Ke7 59.Rf1 (better is 59.Rb6!? Rc3 60.Rb7 Kd8 61.Ka5 Rf3+–) 59...Kd7 60.h4! Ke7 (60...gh4 61.Rh1 Decoy) 61.hg5 hg5 62.Rh1 Kd8 63.Kb6 Kd7 (63...Rc3 64.Rh3 Kd7 65.Ka5 Rd3+–) 64.Rh7 Ke8 (64...Kd8 65.Rf7 Rc3 66.Rf6 Ke7+–) 65.Rc7 Rc7 66.Kc7 1–0. Tagirov,Kajum K (1925) – Shajakhmetov,Linat, Memorial Dautov, 2008.

9.0-0 Qd6 10.Be2 Rad8 11.d4 Ne4 12.Qc2 Rfe8 13.Nc3 Bc3 14.Bc3= Qg6 15.Nh4 (15.Rab1!? Bh3 16.Nh4+=). Sternik,Ryszard – Klos,Zbigniew, corr T PAT–25, 1994.

9.0-0 Qd6 10.Be2 Rfd8 11.a3 Ba5 12.Nc3 =.

9.0-0 Qd6 10.Be2 Rfe8 11.a3= Ba5 12.Nc3 Rad8 (12...Bc3 13.Bc3 Ne4 14.h3=) 13.Qb3= Bb6 (13...h6 14.h3 (14.Qb7?? Rb8 15.Qa6 Rb2-+) 14...Be6 15.Qc2= (15.Qb7 Rb8 16.Qa6 Rb6-+)) 14.d4 h6 15.Bd3 (15.h3 Be6 16.Qc2 Ba5+=) 15...Na5 16.Qd1 h5 (16...Qe6 17.h3 Bh5 18.Rc1=) 17.h3 Bf3 18.Qf3 c6 19.g3 (19.Rfe1 h4 20.Ne4 Ne4 21.Be4 Nc4+=) 19...Qe6 20.Bf5 Qb3 21.Rab1 Nc4 22.Qd1 Qd1 23.Rfd1 (23.Rbd1?? Nb2 24.Ra1 c5 25.dc5 Bc5-+; worse is 23.Nd1 Nd2-+) 23...Ba5 24.Ba1 Bc3 (24...b5 25.a4 Bc3 26.Bc3 ba4 27.Bd3+=) 25.Bc3+= Nd5 26.Rdc1 Nd6 27.Bd3 b6 (27...Rd7!?+=) 28.Bb2+/– Rc8 29.Rc2 Re6 30.Rbc1 Ne7 31.Be2 Ne4 (31...g6!?+/–) 32.Bh5+– Nf6 (32...Rc7 33.Kg2+–) 33.Be2 Nfd5 34.h4 Rd8 35.Kg2 b5 36.Bd3 f5 37.Re1 Kf7 38.Bc1 g6 39.Bd2 a5 40.Rc5 (40.Rb2 a4+–) 40...a4 (40...Ra8 41.f3+–) 41.f3 Nf6 42.Rc2 (42.Kh3 Kg7+–) 42...Kg7 (42...Ned5 43.e4 fe4 44.fe4+–) 43.Re2 Kh7 44.Rc1 Kg7 45.Ba5 Rc8 (45...Re8 46.e4+–) 46.e4 Kf7 47.Bc3 Re8 48.Rf2 Kg8 49.d5! cd5 50.e5 (50.Bb5?! Rb8 51.ed5 Nfd5+/–) 50...Nd7 51.Bb5 Rd8 52.f4 Nc5 (52...Nb6+–) 53.Bb4 Ne4 54.Rfc2 Kh8 (54...g5 55.hg5 d4+–) 55.Rc7 Ng8 (55...Rb8 56.Be7 Reb6 57.Ba4+–) 56.Rb7 d4 (56...Ngf6 57.ef6 Nf6 58.Rcc7+–) 57.Rcc7 (57.Rcc7 Ngf6 58.Rf7+–) 1–0. marekt (2175) – drengur1 (1980), gameknot.com, 2015.

9.0-0 Ne4 10.d4 Qf6=+ 11.Bd5 Rfe8 12.Qb3 Bf3-/+ 13.gf3 Qf3 14.Bc6? Qg4 15.Kh1 bc6 16.f3 Qh3 17.Kg1 Bd6 18.f4 Re6 (18...Re6 19.Qe6 Qe3 20.Kh1 fe6-+) 0–1. Machete99 (2370) – Hossa (2410), ICC, 2002.

9.0-0 Ne5 10.Be2 Nd3?? 11.Qc2?? (better 11.Bd3 Qd3 12.Bf6+-) 11...Nb2=+ 12.Qb2 Bd6 (12...Qe7 13.Nc3=) 13.d4 (13.Qb7 Qd7+=) 13...b6 14.Nbd2 Qe7 15.h3 Bh5 16.Bc4 (16.Nc4 Bg6=) 16...c5 17.Rfd1 Rad8 18.Re1 (18.g4 Bg6=) 18...Ne4=+ 19.Ne4 Qe4 20.Be2 cd4 21.Nd4 Be2 22.Ne2 (22.Re2 Qe5 23.Nf3 Qb2 24.Rb2 Rd7=) 22...Qe5 (better 22...Be5 23.Nd4 Bd4 24.ed4 Qd4 25.Qd4 Rd4=+) 23.Ng3?? (23.Qe5 Be5 24.Rad1 a6=) 23...Qe7 (better 23...Qb2 24.Nf5 Qe5 25.Nd6 Rd6-+) 24.Rac1 (better 24.Nf5!? Qg5 25.e4=) 24...Bg3-/+ 25.fg3 Rd7 26.Qc3 Rfd8 27.Rf1 (27.e4 Qe6-/+) 27...Qe4 (27...Rd3!? 28.Qc7 Re3-/+ (28...Qe3?! 29.Kh2 Qe6 30.Rfd1=+)) 28.Qc4 (28.Qc4 Qe3 29.Kh2-+). cucosant2 - Jojun1, Rated Bullet game, lichess.org, 2020.

9.0-0 Qe7 10.d4 Rad8 11.Be2 Rfe8 12.Qc2 Bd6 13.Nbd2 Bh5 14.Nc4= Bg6 15.Qb3 b6 16.Rac1 Nb8 17.Nfe5 Be5 18.Ne5 Rc8 19.Ba3 c5 20.Ng6 hg6 21.Bd3 g5 22.dc5 bc5 23.Rfd1 Nbd7 24.Qb5 Qe5 25.Bb2 Qb8 26.Qb8 Nb8+/– 27.Ba3 Nbd7+= 28.Ba6 Rc7 29.Rc5?? Nc5-+ (29...Rc5?! 30.Bc5 Nc5 31.Bc4-+). Hoszowski,Piotr – Sternik,Ryszard, corr Poland, 1993.

9.0-0 Re8 10.Qb3 Qe7 11.d4 Na5-/+ 12.Qc2 Nc4 13.Qc4 Bf3 14.gf3 Rad8 15.Nc3 Bc3 16.Bc3 Nd5 17.Rfc1 Rd6 18.h3 Qh4 19.Qf1 Rh6?? 20.Kh2 Ree6 21.Bd2 c6 22.Rc5 b6 23.Rc4 Rh5 24.Rac1 Qf6 25.Qh1?? Qf5 26.Qf1 Reh6 27.Rc6 Rh3 (27...Rh3 28.Qh3 Qh3 29.Kg1 Qh1#) 0–1. Streit – Nemec,Zdenek, Tournament Jablonec, 1983.

9.a3 Bd6 10.0-0 Ne5 11.Be2 Re8 12.Be5 Be5 13.Ne5 Be2 14.Qe2 Re5 15.Nc3 c5 16.Rab1 b6 17.Rfd1 Qe7 18.Qa6 Nd5 (18...Re6!?=) 19.Nd5+/- Rd5 20.Rb6! Rad8 (20...ab6 21.Qa8 Pinning (21.Qa8 Deflection)) 21.Rb7 Qh4 (21...Qe4 22.Qa7 Rg5 23.g3+/-) 22.Qa7+- Rh5 (22...Qg4 23.f3 Qg5 24.Rb8+- (24.Rf7? Rd2 25.Rd2 Rd2 26.Rg7 Qg7 27.Qb8 Kf7 28.Qb7 Kg6 29.Qe4 Kh5 30.Qf5 Kh6 31.Qf4 Qg5 32.Qf8 Kg6 33.Qg8 Kf6 34.Qf8 Ke6 35.Qe8 Kd6 36.Qb8 Kc6 37.Qe8 Kb6 38.Qb8 Ka5 39.Qa8 Kb5-+)) 23.Qb8 h6 (23...Rf5 24.g3 Qf6 25.Qc7+-) 24.Qc7 Kh7 25.d4 (25.d3!? Rf5 26.Rb2 Qa4+-) 25...cd4+/- 26.Rb4 Rhd5 27.Qc2 d3?? (better 27...Kg8 28.ed4 Rd4 29.Rdd4 Rd4 30.Rb8 Rd8+/-) 28.Rd3+- (28.Rh4?? dc2 29.Rf1 c1Q-+) 28...Rd3 29.Rh4 (29.Rh4 Kg8 30.Rd4 R3d4 31.ed4 Rd4 32.a4+-) 1-0. Knight286 (2135) - Findus (2055), Rated Blitz game, lichess.org, 2016.

9.Be2 Qd6 10.0-0 Rad8 11.d4 Rfe8 12.Nc3 Ba3?? (12...Qe6 13.Qb3=) 13.Ba3?? (13.Nb5 Bf3 14.Nd6 Be2 15.Qe2 Bd6+–) 13...Qe6?? (better is 13...Qa3 14.Qd2 a6=) 14.Re1 Qf5 15.Qb1 Qg5 (15...Qa5 16.Qb2 a6+–) 16.Ng5 (16.Ng5 Be2 17.Qb7 Nd4 18.ed4+–) 1–0. forsetinn (1700) – superslow, gameknot.com, 2013.

9.Be2 Ne5 10.0-0 Nf3 11.Bf3 Bf3 12.Qf3 b6 13.d4 (13.Bf6 Qf6 14.Qf6 gf6+=) 13...c5 (13...Re8 14.a3 Bd6 15.Nc3=) 14.Ba3 (better 14.dc5!? bc5 15.a3+=) 14...Ba3= 15.Na3 cd4 16.Rfd1 Qc7 (better 16...d3=) 17.Rd4?? (17.Nb5 Qe5 18.Nd4 Ne4+=) 17...Rad8?? (better 17...Qc3 18.Rad1 Qa3-+) 18.Rd8 Qd8 19.Nb5 Qa8 20.Qa8 Ra8 21.Rd1 Ne4 22.g3 Nc5 23.a3 a6 24.Nc7 Rc8 (24...Rb8 25.Rd6+=) 25.Nd5+/- Rb8 26.Rd4 (26.Nb6 Kf8 27.Rd6 Ke8+/-) 26...Nb3 (26...b5 27.Nb4+=) 27.Rb4+/- a5?? (better 27...Nd2 28.Kg2 b5+/-) 28.Rb3+- 1-0. cucosant2 - Yeahchess55555, Rated Bullet game, lichess.org, 2020.

9.Be2 Be7 10.0-0 Qd6 11.Nc3 a6 12.a4 Rad8 13.Ba3 Qd7 14.Be7 Qe7 15.d4 Ne4 (15...Nb4 16.Qb3=) 16.Ne4+= Qe4 17.Nd2 Be2 18.Ne4 Bd1 19.Rfd1 Nb4 20.Rdc1 c6? (20...Rfe8 21.Nd2 Re7 22.Rab1+=) 21.Nc5 (21.a5 Rfe8 22.Nc5 Rb8+-) 21...Rb8? (21...b6 22.Na6 Na6 23.Rc6 Ra8 24.Rb6 Rfc8+/-) 22.Nd7+- Rfd8? (better 22...a5+-) 23.Nb8 Rb8 24.Rab1 (better 24.a5 Nd5 25.Rab1+-) 24...a5 25.Rc5 b6 26.Rc4 Kf8 27.e4 Ke7 28.d5! c5 (28...cd5 29.ed5 Passed pawn) 29.f4 Kd6 30.Rd1 f6 31.Kf2 Re8 32.Kf3 g6 (32...Rb8 33.Rc3+-) 33.g4 f5 (33...h5 34.gh5 gh5 35.Rg1+-) 34.e5 Kd7 35.gf5 gf5 36.Rg1 (better 36.Kg3+-) 36...Re7? (better 36...Nd5 37.Rg5 Ne7+-) 37.Rg5 1-0. carlos78 (2145) - yasir752441 (1985), Rated Blitz game, lichess.org, 2015.

9.Be2 Re8 10.h3 Bh5 (10...Be6 11.0-0=+) 11.0-0 Qd6 (11...Rb8 12.d3=) 12.Nc3 (12.a3 Ba5=) 12...Rad8=+ 13.d4 Ne7 14.e4 (14.Qb3 Ned5 15.Nd5 Nd5 16.a3+/-) 14...Ba3?? (better 14...Bc3 15.e5 A) worse 15...Bb2 16.ed6 Ba1 17.dc7+/- (17.Qa1?! Rd6 18.Re1 Nc6=); B) 15...Qc6 16.Bc3 Qc3 17.ef6 Nc6-/+) 15.e5+- Qb4 16.Ba3 (16.ef6 Bb2 17.fe7 Re7-+) 16...Qa3 17.Nb5 (17.ef6 Qc3 18.fe7 Re7+-) 17...Qa5 18.ef6 Nd5 19.fg7 (better 19.Ne5!? Be2 20.Qe2+/-) 19...Bf3+/- 20.gf3 (20.Bf3!? Qb5 21.Rb1+/-) 20...Nf4 21.Bc4 Qb4?? (21...c6 22.Qb1 cb5 23.Bf7 Kf7 24.Qf5 Kg7 25.Qf4 Re6+/-) 22.Qb3 (better 22.Qc1!? Nh3 23.Kh2 a6+-) 22...Qe7 23.Rfe1?? (better 23.Kh2 Qd7 24.Bf7 (24.Na7?? Qh3 25.Kg1 Qg2) 24...Qf7 25.Qf7 Kf7 26.Rab1+/-) 23...Qg5 24.Kf1 (24.Kh2 Qg2) 24…Qg2 0-1. hurvajsmanka (1615) - Geol31 (1645), Rated Bullet tournament, lichess.org, 2014.

9.h3 Be6 10.Be6 fe6 11.Qc2 Re8 (11...Nd5 12.Nc3=+). Schmidt,Gregor – Fischer,Wolfgang, SJRH–ch U17 Loerzweiler, 1995.

9.h3 Bh5 10.0-0 Qd7 11.d4 (11.Bf6 gf6 12.d4 Rfe8+=) 11...Ne4 (11...Rfe8 12.Bc3=) 12.Be2 (12.d5 Na5 13.Be2 Bd6=) 12...Rfd8 13.Nbd2 (13.Qb3 Qd6=) 13...Bf3 (13...Nd2!? 14.Nd2 Be2 15.Qe2 Qe6=) 14.Nf3= b6? (better 14...Bc3 15.Rb1 Bb2 16.Rb2 Nc3+=) 15.Nd2?? (better 15.Qc2 Nd6 16.Bd3+-) 15...Nd2-+ (15...Bd2 16.Bf3 Bc3 17.Be4 Bb2 18.Qc2 Ba1 19.Bc6=) 16.Re1 Ne4 17.Bf3 Nf2! 18.Kf2 Be1 19.Ke1 Rac8 20.Qc2 (20.Qb3 Na5 21.Qc3 f6-+) 20...Na5 (20...Ne7 21.Bb7 Rb8 22.Bf3-+) 21.Ba3? (better 21.Bg4 Qe7 22.Bc8 Qe3 23.Kf1 Rc8 24.Re1-+) 21...Qe6 22.Kf2 (22.Qc3 Nc4 23.Kf2 Na3 24.Qa3 c5-+) 22...c5! 23.Kg1 (23.dc5 Nc4 Decoy) 23...cd4 (better 23...Qe3!? 24.Kh1 Qa3 25.d5-+) 24.Qd2 (24.Qf2 Qe3 25.Bb4 Qf2 26.Kf2 Rc2 27.Kg3 Nc4-+) 24...de3 (24...Nc4 25.Qd3 Ne5 26.Qe4 Nf3 27.Qf3-+) 25.Qe2 (25.Qe1 Nc4 26.Bc1 Qf6-+) 25...Rd2 26.Qe1 Rcc2 (better 26...Ra2 27.Ra2 Qa2 28.Bb4-+) 27.Bb4 Rf2 (27...Nc6 28.Ba3-+) 28.Ba5 (28.Rd1 h6 29.Rd6 Qe5-+) 28...ba5 (better 28...Rf3 29.Qh4 Rg2 30.Kg2 Rf2 31.Qf2 ef2 32.Bb6-+) 29.Rc1 (29.Rd1 h6 30.Qa5 Rf3 31.Qd8 Kh7 32.Qd3 Qf5 33.gf3 Qd3 34.Rd3 Rc1 35.Kh2 e2-+) 29...Rc1 30.Qc1 g6 31.Qe1 (31.a3 Ra2 32.Qc5 h5-+) 31...Rd2 (better 31...Ra2 32.Kh2-+) 32.Be2 Qa2 33.Qf1 (33.Bf3 e2 34.Kh2-+) 33...Re2 34.Qf3 Rf2 35.Qa8 Kg7 36.Qa7 Rg2 37.Kf1 (37.Kh1 Rh2 38.Kg1 Qf2) 37…Qf2 (37...Qe2) 0-1. fishissushi (1895) - nikolajtesla (1895), Rated Bullet game, lichess.org, 2020.

8.Nd4 Bg4 9.Be2 (9.Nc6 bc6 10.Be2 Bf5+/-) 9...Nd4+= 10.Bd4 (worse 10.ed4 Be2 11.Ke2 Re8 12.Kf1 Ne4-/+) 10...c5 11.Bc3 Be2 12.Qe2 Ne4 (12...Bc3 13.Nc3 (worse 13.dc3 Qb6=) 13...Qd6 14.0-0+=) 13.Bb4+/- cb4 14.0-0 a5 (14...Re8 15.d4+/-) 15.d3 Nf6 16.Nd2 Qd6 17.Nf3 Rfe8 18.d4 Nh5 (18...Ne4 19.Qc2+/-) 19.c5 (19.Rfd1 Nf6+-) 19...Qg6 (19...Qd5!?+-) 20.Ne5 Re5 (20...Qh6+-) 21.de5 Re8 (21...h6 22.Rfd1+-) 22.Rfd1 Nf4 (22...f5+-) 23.ef4 1-0. cucosant2 (1770) - laaber (1995), Casual Blitz game, lichess.org, 2020.

9.Bd4 Re8 10.Be2 c5 11.Bb2 Ne4 12.0-0 Nd2 (12...Bd2 13.Bf3 Ba5 14.Qd8 Bd8 15.Rd1=) 13.Nd2+= Qd2 (13...Bd2 14.Qc2 Ba5 15.Rfd1=) 14.Qd2 Bd2 15.Rfd1 Ba5 16.Rd5 Bb6 17.Rad1 (17.a4!? a5 18.Bf3+/-) 17...Be6 18.Rd6 Rad8 19.a3 Rd6 20.Rd6 Kf8 21.e4 Ke7 22.Rd1 f6 23.h3 Ba5 24.Bg4 Rd8 25.Rd8 Bd8 26.Be6 Ke6 27.f4 Bc7 28.g3 h5 29.Kg2 g6 30.Kf3 a6 31.g4 White prepares the advance f5 (31.a4!?+=) 31...hg4= 32.hg4 b5 33.f5 gf5 (33...Kf7 34.cb5 ab5 35.g5 fg5 36.f6-/+) 34.ef5= Ke7 35.Ke4 b4 (worse 35...bc4 36.Kd5+/-) 36.a4 Be5! 37.Be5? (better 37.Bc1-/+) 37...fe5-+ 38.g5 (38.Kd3 Kf6 39.a5-+) 38...b3 39.Kd3 e4! 40.Kc3 (40.Ke4 b2 Passed pawn) 40...e3 41.Kb3 (41.Kd3 b2 42.Kc2 e2 43.Kb2 e1Q 44.f6 Kf7-+) 41...e2 42.Kc2 e1Q 0-1. norba94 (2415) - ProfSLM (2390), Rated Blitz game, lichess.org, 2016.

9.Bd4 Re8 10.Be2 c5 11.Bc3 Ne4 12.Qc2 Bf5 13.Qb2 Qg5 14.Bf3 Qh4 15.g3 Bc3= 16.Nc3 Qf6 17.0-0 Rad8 18.Rfd1 Nf2=+ 19.Rf1 Nh3 20.Kh1 Bd3 21.Bg2 Qe6 22.Bh3 Qh3-/+ 23.Rf4 b6 24.Qb5 Qe6-+ 25.Qa4 g5 26.Rf2 Bc4 27.Qd1 Rd7 28.Qc2 Bd3 29.Qd1 (29.Qd1 c4 30.Rc1-+). Burgin – Namasivayam, email CTON, 1996.

9.Bd4 Re8 10.Be2 Ne4 11.0-0 c5 12.Bc3 Bc3 13.dc3 Qc7 14.Qc2 Bf5 15.Bd3 Rad8 16.Be4 Be4 17.Qb3 Qe7 18.Na3? Qg5-+ 19.f3?? Rd2 20.Rf2 Qe3 21.Raf1 Bd3 22.Rd1 Qf2 23.Kh1 Qg2 0–1. Brogger,Gunnar – Berger,Waltraud (1660), 04. VCC–Open, 2001.

9.Bd4 Re8 10.Be2 Bf5 11.0-0 Bd6 12.Nc3 (12.c5 Be7+/-) 12...c6 (12...c5 13.Bf6 Qf6 14.Nd5+=) 13.d3 (13.c5 Bc7+/-) 13...Bc7 (13...c5 14.Bf6 Qf6 15.Nd5+=) 14.Bc5 (14.c5 Nd7+/-) 14...b6 15.Ba3 Qd7 16.Bf3 (16.d4 Qe6+=) 16...Rad8 17.Qc2?? (better 17.d4+=) 17...Bd3-+ (17...Qd3?! 18.Qb3 Be5 19.Bb2=+) 18.Qb3 (18.Qa4 b5 19.cb5 cb5-+ (19...Bf1?! 20.Rf1 cb5 21.Nb5-/+)) 18...Bf1 19.Rf1 Bb8 20.Rd1 Qc7 21.h3 (21.g3 Rd1 22.Qd1 Rd8-+) 21...Qh2 22.Kf1 Qh1 (22...Be5!? 23.Bc6 Bc3 24.Be8 Rd1 25.Qd1 Qh1 26.Ke2 Qd1 27.Kd1 Ne8 28.Ke2-+) 23.Ke2 Rd1 24.Nd1 (24.Qd1 Qd1 25.Nd1 Ne4-+) 24...Qh2 (24...c5 25.Bb2 Be5 26.Bc6-+) 25.Bb2 (25.Bc6 Re6 26.Bd5 Nd5 27.cd5 Rg6=+) 25...Qd6 26.Bf6 (26.Qd3 Qe6-+) 26...Qf6 (26...gf6?! 27.Qd3 Qc5 28.Nc3-/+) 27.Nc3 Be5 28.Ne4 Qe6 (28...Qe7 29.Kf1-+) 29.Ng5 (better 29.c5-+) 29...Qf6 30.Ne4 Qe6 31.Ng5 Qe7 32.Ne4 Rd8 33.Nc3 Qc5 34.Bd5 (34.Bd5 cd5 35.Nd5-+). fishissushi (1945) - Nazari29 (2045), Rated Bullet game, lichess.org, 2020.

9.Bd4 Re8 10.Be2 Bg4 11.Bb2 Be2 12.Qe2 Ne4 13.Nc3 Bc3 14.Bc3 Nc3 15.dc3 Qf6 16.Rc1 Re4 17.0-0 Qc6 Attacking the isolated pawn on c4 18.Rfd1 Rc4 19.Rd3 Re8 20.Rcd1 Rc3 21.Rc3 Qc3 22.Qb5 Qc6 23.Qc6 bc6 24.Rc1 Re6 (24...Rb8 25.a4=) 25.Rc5 Kf8 (25...a6 26.Kf1+=) 26.Ra5+= Rd6 27.g3 Ke7 28.Ra7 Kd7 29.Ra8 (29.Ra4 c5+=) 29...c5= 30.Kf1 (30.Ra4 Rd2=) 30...c4=+ 31.Ke2 c3 32.Ra3 Rd2 33.Kf3 c2 34.Rc3 Kd6 35.a4 c5 36.a5 (better 36.h3!?=) 36...Kc6-/+ 37.a6 Kb6 38.a7 Ka7 39.Rc5 Kb6 40.Rc3? (better 40.Rc8=+) 40...Kb5-+ 41.e4?? (better 41.Rc8 Kb4 42.Rc7-+) 41...Kb4 42.Rc7 (42.Rc2 Rc2 43.Ke3-+) 42...Rd3 43.Ke2 Rc3 44.Rb7 Kc5 45.Rc7 Kd4 46.Rd7 Ke4 47.Rd1 (47.f3 Ke5 48.Rd1 Re3 49.Kd2 cd1Q 50.Kd1 Kf5-+) 47…cd1Q (47...cd1Q 48.Kd1 Rb3-+) 0-1. norba94 (2440) - vovaches (2355), Rated Blitz game, lichess.org, 2016.

10.a3 Bd2 11.Qd2+= cd4 12.Qd4 Qa5 13.Qc3 Qg5 14.Nd2+= Bf5 15.Qe5 Rfe8 16.Nf3 Qh5 17.Qb5 a6 18.Qa5 b6 19.Qb6+/– Rab8 20.Qa6 Be4 21.Be2 Qc5 22.Qa4 Nd5 23.Qd1 Ne3 24.fe3+– Bf3 25.gf3 Qe3 26.Ra2 Red8 27.Qc2+– Rb6 28.Rb2?? Rg6= 29.Rf1 Rg2 30.Qd2 Qe7 31.Qf4 Qa3 32.Qc1 Re8 33.Rf2 Rg1 34.Rf1 Rg2 35.Rf2 Rg1 36.Rf1 Rg2 ½–½. Pierred (2205) – SIX222 (2405), Rated game, 1m + 5s, 2005.

10.a3 cd4 11.ab4 Ng4 12.Qf3 Re8 13.Qf4 Nf6 14.Na3 Re4 15.Qg5 de3 16.fe3+= Be6 17.Qg3 a5 18.b5 Bg4 19.Nb1 Qd4 20.Ra2+= Re3?? 21.Qe3+/– Re8 Black gets in control 22.Qe8 Ne8 23.Nc3 b6 24.Nd5 Qe4 25.Kf2 Nd6 26.d3 Qd4 27.Ke1 Be6 28.Ne7 Kf8-/+ 29.Nc6 Qe3 30.Kd1 Nb5 31.Ra1 Bg4 32.Kc2 Qf2 33.Kb3 Qd2 34.Rb1 Bd1 35.Rd1 Qd1 36.Kb2 Qd2 37.Kb3 Qc3 38.Ka2 Qc2 39.Ka1 Nc3 40.Na5 Qb1# (40...Qa2#) 0–1. Pierred (2185) – Miss kat (2480), Rated game, 5m + 0s, 2005.

10.Bb2 Ne4 11.Be2 Bf5 12.0-0 Nd2 13.Bf3? (better is 13.Nd2 Qd2 14.Qd2 Bd2 15.h3=) 13...Nf1-+ (13...Nb1?! 14.Rb1 Bb1 15.Qb1+=; worse is 13...Bb1 14.Rb1 Qc7 15.a3-/+) 14.Qf1 Qd3 15.a3 Qc2 16.Be5 Bd3 17.Qd1 Qd1 18.Bd1 Rfe8 19.Bc3 (19.Bd6 Ba5 20.Bf3 Red8 21.Bc5 Rdc8 22.Bb7 Rc5 23.Ba8 Rc4-+) 19...Bc3 20.Nc3 Bc4 21.Bf3 Rab8 22.Rb1 b5 23.h4 b4 24.ab4 cb4 25.Na4 Rec8 26.Bg4 Be6 27.Bf3 b3 28.Nb2 Rc2 29.Be4 a5 30.Na4 (30.Bd3-+) 30...Rc4 31.Bc6 (31.Bh7 Kh7 32.Nb2 Rh4-+) 31...Rc6 32.Nb2 Rbc8 33.Kh2 Rc1 (33...Rc1 34.Rc1 Rc1-+) 0–1. orangutanb4 (2005) – wautobus (2025), kurnik, 2011.

10.Bb2 Bf5 11.Be2 Bb1 12.a3 Bg6 13.ab4 cb4 14.0-0 a5 15.d3 Re8 16.f4 Re3= 17.f5 Qe7 18.Bf6 gf6 19.Ra2 b3 20.Qb3 Bf5 21.Rf5 Re2 22.Re2 ½–½. Keber,Ernst – Tauscher,Karl (2330), RSS5D pro–47, 2005.

10.Bb2 Bf5 11.Be2 Ne4 12.Qc1 Qd6 13.f3+= Ng5 14.Nc3 Rad8 15.Nd5 White fights for the Initiative 15...Ba5 16.0-0+/– Ne6 17.e4 Nf4 18.Rf2 Rfe8 19.d4+/– Ne2 20.Re2 Bg6 21.Qe3 cd4 22.Bd4 b6 23.Rd1 f6 24.c5 Qf8 25.cb6 Rd5=+ 26.Qb3 Bf7 27.ed5. Gierth,Karlheinz (2215) – Baensch,Hans (1880), remoteschach.de, 2005.

10.Bb2 Bg4 11.Be2+= Qd7 (11...Bf5 12.0-0+=) 12.h3 (better 12.Bf6!? Be2 13.Qe2 (13.Ke2?! Qg4 14.Ke1 Qg2+=) 13...gf6 14.0-0+/-) 12...Be2+= 13.Qe2 Ne4 14.0-0 Rad8 (14...Bd2? A) 15.Nd2?! Qd2 (15...Nd2? 16.Rfd1+-) 16.Qg4 Qb2 17.Qe4 b6=; B) 15.Rd1 Rad8 16.Nd2 Nd2 17.Bc3+-; worse 14...Nd2 15.Rd1 Rad8 16.Nd2 Qd2 17.Rd2 Rd2 18.Qf3 Rb2 19.Qb7+-) 15.d4 f5 16.d5 Nd6 17.g3 (17.Be5 Rfe8 18.Bf4 Re4+/-) 17...Qe7 (17...f4 18.ef4 (18.gf4 Qh3 19.Rc1 Nc4 20.Qc4 Rd6=+) 18...Qh3 19.Rd1=) 18.Bc3 Bc3 19.Nc3 Qe5 20.Qc2 (better 20.Qd3!?+=) 20...Nc4= 21.Rad1 (21.Rac1 Nb6=) 21...Nd6 (21...Ne3!? 22.fe3 Qg3 23.Kh1 Qh3 24.Qh2 Qe3-+) 22.Qb3 (22.Ne2 Ne4=) 22...b6 23.a4 Rb8 (23...Rf7 24.Rc1=+) 24.Rb1 (24.Nb5 Qe7=) 24...c4 25.Qb4 Rf7 26.Rfd1 Rfb7 (26...a6 27.Ne2=) 27.Nb5+= Ne4 (27...Nb5!? 28.ab5 Rc8+=) 28.Qc4+/- Ng3?? (better 28...Rd8+/-) 29.d6+- (29.fg3 Qg3 30.Kf1 Qf3 31.Ke1 Qe3 32.Qe2 Qh3+=) 29...Kh8 (29...Kf8 30.Qh4 a6+-) 30.d7 (30.fg3?! Qg3 31.Kf1 Qf3 32.Ke1 Qe3 33.Qe2 Qh3+=) 30...Rd7 (30...Qf6 31.Qc8 Qd8 32.Nd6 Rd7 33.Nf7 Kg8 A) 34.Nd8?! Rd1 (34...Rc8?? 35.Rd7 Nh5 36.Ne6+-) 35.Rd1 Rc8 36.fg3 Kf8+-; B) 34.Qd8 Rbd8 35.Nd8 Rd1 36.Rd1 Ne2 37.Kf1 Nc3+-; C) 34.Qd7 Ne2 35.Kf1 Qd7 36.Rd7+-) 31.Rd7 (31.fg3?? Qg3 32.Kf1 Qf3 33.Kg1 Rd1 34.Rd1 Qd1 35.Qf1 Rd8-+) 31...Ne4 32.Qf7 Rg8 33.Rbd1 Ng5 34.Qe7 Nh3 (34...Qe7 35.Re7 Nh3 36.Kg2 Ng5+-) 35.Kf1 (35.Kg2 Qe7 36.Re7 Ng5+-) 35...Qb2?? (35...Qh2 36.R1d2 Qg1 37.Ke2 Qf2 38.Kd3 Qf1 39.Kc2 h6+-) 36.R7d2 (better 36.Qh4 Qf2 37.Qf2 Nf2 38.Kf2 a6+-) 36...Qb4 (36...Qf6 37.Qf6 gf6 38.Na7 Rg4+-) 37.Qb4 (37.Qb4 Nf4 38.Qf4 h6 39.Rd8 a5 40.Rg8 Kg8 41.Rd8 Kf7 42.Qf5 Ke7 43.Rd7 Ke8 44.Nd6) 1-0. FERNANDO_2013 (1800) - Mikhail_Mityanin (1825), Rated Blitz game, lichess.org, 2018.

10.Bc3 Bf5 11.Bb4+/- cb4 12.d4 Re8 13.Be2 Ne4 14.0-0 Qg5 15.Bf3 a5 (15...Qe7 16.Nd2+/-) 16.a3 Qg6 (16...ba3 17.Nd2+/-) 17.ab4+- ab4 18.Ra8 Ra8 19.Qb3 Ng5 20.Kh1 Nf3 21.gf3 Ra1 22.Nd2?? (better 22.e4 Bh3 23.Rg1+/-) 22…Bh3 (22...Bh3 23.Ra1 Qg2) 0-1. Mely (2735) - Phoghorn (2565), ChessWorld.net, 2012.

10.Bc3 Bg4 11.Be2+= Be2 12.Qe2 Qd6 (12...Bc3 13.Nc3 (worse 13.dc3 Qd6=) 13...Qe7 14.0-0+/-) 13.Bb4+/- cb4 14.0-0 a5 (14...Rfe8 15.a3+/-) 15.d4+/- Rae8 16.Qb2 (16.Rd1 b6+/-) 16...Re4 (16...Ng4 17.g3+=) 17.c5 Qd5 (17...Qc7 18.Nd2 Ng4 19.g3+-) 18.Nd2 (18.a3 b6 19.ab4 ab4 20.cb6 Re6 21.Qb4 Qd8+-) 18...Rh4 (18...Rg4 19.f3 Rh4 20.a3+-) 19.Nf3 (better 19.a3!? Qh5 20.h3 Nd5+-) 19...Rg4+/- 20.h3 Qf3? (better 20...Rg6 21.Kh1 b6+/-) 21.hg4+- Qg4 22.Qc2 (22.a3!? Qh4 23.f3 Qg5+-) 22...Qh4 23.Qe2?? (better 23.f3+-) 23...Ng4-+ 24.Qg4 Qg4 25.f3 Qe6 26.e4 (26.Kf2 b6 27.cb6 Qb6-+) 26...Qc4 27.Rfd1 White intends d5 27...Rd8 28.Rac1 (28.d5 Qc5 29.Kh2 f5-+) 28...Qa2 29.d5 White prepares c6 29...b3 30.c6 (30.Ra1 Qe2-+) 30...bc6 (better 30...b2 31.c7 Rc8-+) 31.dc6 Rd1 (better 31...Rd2 32.Kh1 Qc2-+) 32.Rd1+/- b2?? (32...f6 33.c7 Kf7 34.c8Q+-) 33.c7 (33.Rd8) 33...Qc4?? (better 33...h5 34.c8Q Kh7+/-) 34.Rd8 1-0. cucosant2 (1770) - mate26 (1885), Casual Blitz game, lichess.org, 2020.

9.Be2 Nd4 10.Bd4 c5 11.Bb2 Ne4 12.0-0 Bd2 13.Bf3 Ba5 14.Qc2 (14.Qd8 Bd8 15.Rd1 Ba5=) 14...Bf5=+ 15.Rd1 Qe7 16.Qa4?? (better 16.Rd5 Bg6 17.Re5=+) 16...Nf2-+ 17.Kf2 (17.e4 Nd1 18.Qd1-+) 17...Qe3 18.Kf1 (18.Kg3 Bc7 19.Rd6 Bd6 20.Be5 Qe5 21.Kh4 Qf6 22.Kh5 Qh6) 18...Bd3 19.Rd3 Qe1 0-1. norba94 (2380) - Asztalos (2620), Rated Blitz game, lichess.org, 2016.

9.Be2 Nd4 10.Bd4 c5 11.Bb2 Bf5 12.0-0 Bb1 13.Rb1 Qd2? (better 13...Ne4 14.Bc1 Rb8+/-) 14.Qd2 (14.a3 Ne4 15.ab4 cb4+-) 14...Bd2 15.Bf6 gf6 16.Rb7 Reb8 17.Rfb1 Bb4? (17...Rb7 18.Rb7 a6+-) 18.a3 (better 18.Rb8 Rb8 19.a3+-) 18...Rb7= 19.ab4?? (better 19.Bf3 Rab8 20.Bb7 Rb7 21.Kf1=) 19...Rb4-+ (19...cb4?! 20.Bf3 Rab8 21.Bb7 Rb7 22.Kf1=) 20.Rd1 a5 21.Bf3 (21.Kf1 a4 22.Bd3 a3-+) 21...Rab8 22.Bd5 (22.h3 Rb1 (22...Rc4?! 23.Rd7-+) 23.Kh2 Rd1 24.Bd1 Rb4-+) 22...a4 (22...Rb1 23.Rf1 a4-+) 23.Ra1 (23.Be4-+) 23...a3! 24.h3 (24.Ra3 Rb1 Mate attack) 24...Rb1 25.Rb1 Rb1 (25...Rb1 26.Kh2 a2-+) 0-1. AhmedSultanov (1835) - EVQ8 (1835), lichess.org, 2020.

8.Qc2 Nc5 9.cd5 Qd5 10.Bc4 Qf5 11.Qf5 Bf5 12.0-0 Bd3 13.Rc1 Bc4 14.Rc4 Nd3 15.Bc3 Bc3 (15...a5!?+=) 16.Nc3= Rac8 17.Rb1 Na5 18.Rd4 Rfd8? (better is 18...Nc5+=) 19.Rd8?? (better is 19.Nd5 Nc5 20.Ne7 Kf8 21.Nc8 Rc8 22.Rd5+–) 19...Rd8= 20.Nb5 c6 21.Nbd4 (worse is 21.Na7 Ra8 22.Nc6 bc6-/+) 21...b5 (21...c5 22.Nc2+=) 22.Ne1 (22.Kf1!? f6 23.Ke2+=) 22...Ne1+= 23.Re1 b4 24.Rc1 The backward pawn on c6 becomes a target 24...Rd6 25.Rc5 Rd5 26.Rd5 cd5 27.Nb5 Nc6 28.d4 Kf8 29.Nc7 Ke7 (29...Ne7!?=) 30.Nd5 Kd6 31.Nf4 a5 32.Nd3 a4 33.Nc5 (better is 33.Kf1!?+=) 33...b3+= 34.ab3 a3 35.b4?? (better is 35.Ne4 Ke6 36.Nc3+=) 35...a2 (better is 35...Kd5!? 36.Nb3 Nb4 37.Nc1-+) 36.Nb3 Nb4 37.Na1?? (37.e4 Nc2 38.d5-+) 37...Kd5 38.Kf1 Kc4 39.Ke2 Kc3 0–1. Sandin,Albin – Hellberg,Micael, Uppsala Moete, 2015.

8.Nc3 Ne7 9.cd5= Bc3 10.dc3 Nd5 11.c4 Nb4 12.a3 (12.Qb3 c5 13.Be2 Bg4=) 12...Qd1 13.Rd1 Nc2 14.Ke2 Be6 15.Nd4 Bc4 16.Kf3 Nd4 17.Rd4 Ng5 18.Kg3 Bf1 19.Rf1 Ne6 20.Rd7 (20.Rd5 Rfd8 21.Rfd1 Rd5 22.Rd5 c5-/+) 20...Rfd8 21.Rfd1 Rd7 22.Rd7 Rc8 (22...Rd8 23.Rd8 Nd8 24.e4-/+) 23.Kf3 (23.e4 Kf8-/+) 23...a6 (23...Kf8 24.e4-/+) 24.Bc3 (24.e4 Kf8-/+) 24...Nc5 25.Rd4 (25.Rd2 b5-/+) 25...b5 26.e4 Na4 27.Bd2 f6 (27...Nb6 28.Bb4-/+) 28.Be3 a5 29.Rd5 c5 30.Rd7 b4 31.ab4 cb4 32.Rb7 Nb2 33.h4 Nc4 (33...h5 34.Rb5 Nc4 35.Bf4-+) 34.Bf4 (34.h5 Rd8-/+) 34...Re8 35.g4 h6 (35...Kf8 36.Be3-/+) 36.h5 Kh7 37.Rc7? (better 37.Rb5-+) 37...b3 38.Rc4 (38.Bc1 b2 39.Bb2 Nb2 40.Rb7-+) 38...b2 39.Rc1 a4 (39...bc1R?! 40.Bc1 Rc8 41.Bb2-+; 39...bc1Q?! 40.Bc1 Rc8 41.Bb2-+; worse 39...bc1N 40.Bc1 Rc8 41.Bb2-+) 40.Rb1 a3 41.g5 (41.Kg3 a2 42.Rb2 a1Q-+) 41…hg5 (41...hg5 42.Be3 a2 43.Rb2 a1Q-+) 0–1. Pierred (2185) – Wiesiek_Hiarcs9 (2560), Rated game, 3m + 0s, 2005.

8.Nc3 Bg4 9.cd5+= Nc3?? 10.dc3+– Ne5 11.cb4 Nf3 12.gf3 Bh5 13.Qd4 (13.Qd4 f6 14.Be2+–) 1–0. wojtowa – polonista, rancho, 2009.

8.Bd3 Nc5-/+ 9.Be2 dc4 10.Bc4 Be6 11.Be6 Nd3 12.Ke2 Nb2 13.Qb3 fe6 14.Qb2 Qd5 15.Nc3? Qc4-+ 16.Kd1 Rad8 17.Rc1 Qg4 18.Rg1 Rf3 19.Ne2 Rf2 20.Rc6 Qe2 21.Kc1 Rd2 22.Qb3 Rf1 23.Rf1 Qf1 24.Qd1 Qd1# (24...bc6?! 25.Qf1 a5 26.Qc4+=) 0–1. Administrator – wcrafty, internet, 2001.

9.Qb3 Be6 10.Nc3 dc4-+ 11.Bc4 Ne5 12.Be6?? (better 12.Qc2 Nd2 13.Nd2 Nc4 14.Nb3-+) 12...Nf3 13.gf3 (13.Ke2 Nfd2 14.Ne4 Nb3 15.Bb3-+) 13...Qd2 14.Kf1 Qf2 (14...Nc3?! 15.Bh3 Rad8 16.Kg2-+) 0-1. norba94 (2185) - Rek82 (2260), Rated Blitz game, lichess.org, 2015.

9.cd5 Qd5 10.Be2 Rd8 11.0-0 Nd2 (11...Bf5!?-/+) 12.Nbd2= Bd2 13.Qa4 Qa5 14.Qb3 Be6 15.Bc4 Bc4 16.Qc4 Rd6 17.Rad1 Rf8 18.h3 a6 19.Ba1 h6 20.g3 Ra8 (20...h5!?=) 21.Rd2 Rd2 22.Nd2 Qd2 23.Qg4 g5 (23...g6 24.Qf4 Re8 25.Qc7+/–) 24.h4 Qd3 25.hg5 Qg6 26.Qe2 hg5 (26...Qg5?? 27.Qb2 Ne5 28.Qe5 Qe5 29.Be5+–) 27.Qb2 Kf8 28.Qb7 Rb8 29.Qc7 g4 30.Rd1 Qc2 31.Qd6 Kg8 32.Qd7 Qg6 33.Qc7 Qc2? (better is 33...Kh7!?+/–) 34.Re1+– Qc4? (34...Qd2 35.Rf1 Qc2 36.Bf6+–) 35.Bf6 Kh7 (35...Re8 36.e4! Qb5+–) 36.e4 Qe6 (36...Rg8 37.Kg2 Qb3 38.Rh1 Kg6+–) 37.Qf4 Rb5 38.e5 Ne5 39.Qe4 Kh6 40.Be5 Rd5 (40...Kh5 41.Qh7 Qh6 42.Qf5 Qg5 43.Qf7 Qg6 44.Qe7 Qc6 45.Qh4 Kg6 46.Qg4 Kf7 47.Qg7 Ke6 48.Bf6 Qe4 49.Re4 Kd6 50.Rd4 Rd5 51.Qe7 Kc6 52.Rc4 Rc5 53.Rc5 Kb6 54.Qc7) 41.Qh1 Kg6 42.Bc3 Qf5 (42...Qd6 43.Qh8 Rd1 44.Qg7 Kh5 45.Qf7 Qg6 46.Qg6 Kg6 47.Rd1 Kf7+–) 43.Qh8 f6 44.Qg8 Kh5 45.Bf6! Rb5 (45...Qf6 46.Qe6 Double attack (46.Qd5 Deflection; 46.Qe6 Decoy; 46.Qd5 Overloading)) 46.Qh8 Kg6 47.Qg7 Kh5 48.Bb2 Qg6 49.Qh8 Qh6 50.Qh6 (50.Qc8 Qd6 51.Re8 Qg6 52.Rh8 Kg5 53.Qd8 Kf5 54.Qd3 Kg5 55.Bc1 Kf6 56.Qd6 Kf7 57.Rf8 Kg7 58.Qe7 Qf7 59.Qf7) 50...Kh6 51.Re6 Kh7 52.Bf6 Ra5 (52...a5 53.Ra6+–) 53.Be7 Ra4 (53...Kg8 54.Bb4 Kf7 55.Re7 Kf6 56.Re4+–) 54.Bb4 a5 (54...Kg7 55.Re4 Kf7 56.Rf4 Kg6 57.Rg4 Kf5 58.Rf4 Kg6 59.g4+–) 55.Re7 Kg6 56.Ra7 Kf6 57.Ra5 (57.Ra5 Ra5 58.Ba5+–) 1–0. forsetinn (2215) – guides (1835), gameknot.com, 2014.

9.Be2 dc4 10.Bc4 Bg4 11.0-0 Ng5 12.Kh1 Nf3 13.gf3 Be6 14.Rg1 g6 (14...Bc4?? 15.Rg7 Kh8 16.Rg8 Kg8 17.Qg1 Qg5 18.Qg5) 15.Qc2 Bc4 16.Qc4 Re8 (16...Bd2? 17.Rd1+–) 17.d4 Qf6 18.Rg3 Ne7 19.Bc3 Bc3 20.Nc3 Nf5 21.Rh3 Nd6 (21...Qe7 22.e4 Nd6 23.Qc5=) 22.Qc5 (22.Qc7 Rac8 23.Qa5 b6=) 22...c6 23.Rg1 Qf5 (23...b6 24.Qh5 (24.Qc6? Rac8 25.Qd7 Rc3-+) 24...Qg7 25.Qh4=) 24.Qf5 Nf5 25.Ne4 Re7 26.Ng5 h6 27.Ne4 Kg7 28.Ng3 Nd6 29.Nh5 Kh8 30.Nf4 Nf5 31.a4 b6 32.Ne2 Kh7 33.Rc1 Rc8 34.e4 Nd6 35.Kg2 Rd7 36.Rd1 Kg7 37.Rb1 Rb8 (37...b5 38.ab5 Nb5 39.d5-/+) 38.Rd1 (38.Rc1 b5+=) 38...Rdd8 (38...b5 39.Rc1-/+) 39.Rh4 a5 40.Rf4 Nc4 41.Rc1 b5 42.e5 Nb6 (42...f5!?-/+) 43.Rf6+= b4 44.Rfc6 b3 45.Rc7 (45.R6c5 Rd5 (worse is 45...Na4 46.Ra5 Rb4 47.Ra7=) 46.Rc7 b2+=) 45...b2 (45...Na4 46.Rb1-/+) 46.Rb1+= Na4 47.e6 (47.Rc4 Rb4 48.Rb4 ab4 49.f4-+) 47...Kf6-/+ 48.e7 Re8 49.Nf4 g5 50.Nh5 Kg6 51.Ng3 Re7 52.Re7 Nc3 53.Rb2 Rb2 54.Rd7 Rb5 55.Ra7 f6 56.h3 Nd5 57.Ne2 h5 58.h4 (58.f4 gf4 59.Kf3 Kg5-/+) 58...gh4 59.Kh3 Kg5 60.Rg7 Kf5 (60...Kh6 61.Ra7-/+) 61.Kh4 Rb2 62.Ng3 Kf4 63.Nh5 Kf3 64.Nf6 Nf6 65.Rg5 Rf2 ½–½. Muri,Heinrich (2395) – Mayer,Roger (2475), SUI/C22, 2009.

9.Be2 Be6 10.cd5 Qd5 (10...Bd5 11.0-0=) 11.0-0= Rfd8 12.d3 (12.Nc3 Bc3 13.Bc3 Nc3 14.dc3 Qc5=) 12...Nc5-/+ 13.Nc3 Bc3 14.Bc3 Nd3 15.Nd4 Nd4 16.Bd4 Ne5 17.Rb1 (17.Qb1!?=+) 17...c5-/+ 18.Bc3 (18.Be5 Qe5 19.Qa4 Bd5-/+) 18...Qe4-+ 19.Qc1 Nd3 20.Bd3 Rd3 (20...Qd3?! 21.Rb7 Qg6 22.f3=+) 21.Rd1 (21.Re1-+) 21...Bd5 22.f3 Rd1 23.Qd1 Qe3 24.Kh1 Qc3 25.Qd5 Rb8 (25...Re8 26.h3 b6 27.Qc6-+) 26.h3 (26.Qd7 Qa5-+) 26...b6 (26...Qa3?! 27.Rb7 Rf8 28.Qd6-/+) 27.Rd1 (27.a4 Qd4 28.Qc6 Qd8-+) 27...g6 (27...h6 28.a4-+) 28.Qd6 (28.Rd3 Qc1 29.Kh2 Re8-+) 28...Re8 29.Qc7 (29.a4 Re1 30.Re1 Qe1 31.Kh2 Qe8-+) 29...Qa3 30.Rd7 (30.Kh2 Re2 31.Qb7 Qb2-+) 30...Qa1 (30...Qc1 31.Kh2 Re1 32.Qd6-+) 31.Kh2 Qf6 32.Qa7 (32.Qg3-+) 32...Qf4 33.Kg1 Re1 34.Kf2 Qe3 35.Kg3 Rg1 (better 35...Qe5 36.Kf2 Ra1 37.Qa1 Qa1-+) 36.Re7?? (36.Qa2 Qe1 37.Qf2-+) 36...Qg5 37.Kf2 Qg2 38.Ke3 Re1 39.Kf4 (39.Kd3 Rd1 40.Kc4 Qf1 41.Re2 Qe2 42.Kc3 Rd3 43.Kc4 Rf3 44.Kd5 Qe6) 39...Qh2 40.Kg4 Rg1 41.Kh4 Qf4 (41...Qg3) 0–1. jaddwarrior (2020) – Marct (2295), ChessWorld.net, 2017.

9.Be2 Bg4 10.0-0 dc4 11.Bc4 Ng5 12.Kh1 Qd6 13.d4 Rad8 14.Nc3 Qh6 15.Be2 Nf3 16.Bf3 Bf3 17.Qf3 Bb6 18.Ne2 Na5 19.Ng3 Kh8 (19...Qc6 20.Rac1 Qf3 21.gf3=) 20.Nf5 (20.d5!? f6 21.Nf5+/-) 20...Qf6+= 21.Bc3 g6 22.Ng3 Qf3 23.gf3 f6 24.Ne2 Nc4 25.Rfc1 Rfe8 26.Kg2 Kg8 27.a4 a5 28.Rab1 Kf7 29.Nf4 Rd7 30.Be1 g5 31.Nd3 Ne5 (better 31...Nd6!?=) 32.Nb2+/- (32.de5?! Rd3 33.ef6 Kf6+=) 32...Ng6 33.Nc4 Nh4 34.Kg3 Nf5 35.Kh3 Re6 36.Ba5 Ba5 37.Na5 b6 38.Nc6 Kg6 (38...Re8 39.a5 ba5 40.Rb5+/-) 39.Nb8+- Rg7 (39...Rf7 40.Na6 Ree7 41.Rc6+-) 40.Na6 Ree7 41.Rc6 Nh4 (41...Ref7 42.Rbc1 Ne7 43.Rc7+-) 42.Rbc1 Nf3 43.Nc7 1-0. Hojjatova,Aydan (2300) - Heydarova,Aytaj (1745), ch-AZE w, 2019.

9.a3 Ba5 10.Bd3+=.

9.Bd3 Bd2! 10.Nbd2 (10.Nbd2 Nb4 Combination; 10.Nfd2 Nb4 Combination) 10...Nb4 11.Qb1? (better is 11.Qb3 Nc5 12.Bf5 Nb3 13.ab3 dc4 14.bc4 Nd3 15.Bd3 Qd3 16.Be5+=) 11...Nd2-+ 12.Nd2 (12.Kd2 Nd3 13.Ba3 dc4-+) 12…Bd3 (12...Bd3 13.Qc1 Bc4-+) 0–1. Van Esbroeck,Dirk – Tutov,Nikolay, SN–2011–0-00313, 2011.

9.dc3= Be6 10.Qc2 Ng5 (10...Nd6 11.cd5 Bd5 12.c4 Bf3 13.gf3=) 11.Nd2 (11.0-0-0 Nf3 12.gf3 Qg5+–) 11...f6 12.h4 Nf7 13.Bd3 Kh8 (13...h6!?=) 14.cd5+= Qd5 15.Be4 (15.Bh7!? Nd6 16.Rh2+=) 15...Qh5= 16.Bf3 Qc5 17.Nb3 Qb5 18.Nd4 Nd4 19.cd4 (worse 19.ed4 Rae8 20.Kd1 Nd6-/+) 19...Nd6 20.a4 Qa6 21.Ba3 (21.Qc7? Rac8 22.Be2 Bc4 (worse 22...Rc7 23.Ba6 ba6 24.Ba3-+) 23.Bc4 Nc4-+ (23...Rc7? 24.Ba6 ba6 25.Ba3+–)) 21...Rac8 22.Be2 Qa5 23.Kf1 b6 24.f3 (24.h5!?=) 24...c5 25.dc5 bc5 26.Kf2 Rfd8 27.Rhd1 Qc7 Black plans c4 (27...f5 28.Rab1=) 28.Bd3 (28.Ba6 Nf5 29.Bc8 Rc8+=) 28...h6 (28...Qf7 29.Rab1=+ (29.Bc5? Bb3 30.Qb2 Rc5-+; worse 29.Bh7 Bb3 30.Bg6 Bc2 31.Bf7 Bd1-+)) 29.Rac1 The pressure on the isolated pawn grows (29.Ba6 Nf5 30.Bc8 Qg3 31.Kg1 Rc8 32.Qf2 (worse 32.Bc5 Nh4 33.Kh1 Qg5-/+) 32...Qh4 33.Qh4 Nh4 34.Rd6+–) 29...c4 30.Bg6 Nf7 31.Bf7 (31.f4 a6=) 31...Bf7=+ 32.Rd8 Rd8 33.Bb2 Qh2 34.Rd1 (34.Bd4 Qh4 35.Kg1 a6-/+) 34...Qh4 35.Kg1 Re8 (35...Rd1 36.Qd1 Be6 37.Qd8 Kh7 38.Bd4 Qe1 39.Kh2=+) 36.Bd4 a6 37.Qc3 Qg5 38.Rb1 h5 Black begins to deal mighty blows 39.Rb6 Qg6 (39...h4 40.Ra6 h3 41.Qd2-/+) 40.Ra6= Rb8 41.e4 (41.Kh2 h4 42.Qe1 Qg5=) 41...Rb1 (41...Rb3 42.Qe1 Rf3 43.Rd6-/+) 42.Kf2 (42.Kh2!?=) 42...h4-/+ 43.Be5 h3 Threatening mate... how? 44.g4 Qh6 45.Bh2? (better 45.Bf6 gf6 46.Rf6-/+) 45...Rb3-+ 46.Qd4 (46.Qe1 Rb2 47.Kf1 Rh2-+) 46…Rd3 (46...Rd3 47.Qd3 cd3-+) 0–1. Simon,Gerard – Tirard,Hugo, FrTCh Montpellier FRA, 1998.

9.dc3= Be6 10.cd5 Qd5 11.Qd5 Bd5 12.c4 Be6 13.Be2 Rad8 14.Nd4 Nd4 15.ed4 c6 16.0-0 (16.Rd1 Rfe8=) 16...Rfe8 17.Rac1 Nd6 18.a4 (18.a3 Bd5 19.Rc2 Re2 20.Re2 Bc4-/+ (< 20...Nc4 21.Rfe1 Be6 22.Rc1+=)) 18...Bd5=+ 19.Bd3 Be4 20.Be4 Re4 21.c5 Re2 (21...Nf5 22.Rfe1 Rg4 23.h3=) 22.Ba1 (22.cd6 Rb2 23.Rb1 Ra2 24.Rb7 Ra4=+) 22...Nf5 23.Rfe1 Rd2 (23...Nd4? 24.Bd4 Rd2 25.Bc3+–) 24.Rb1 (24.Rcd1 Rd1 25.Rd1 h5=) 24...Nd4 25.Bd4 R2d4 26.Rb7 Ra4 27.Rd7 Rf8 28.Rc7 a5 29.Rc6 Rc4 30.g3 g6 31.Ra1 Ra8 (32.Rc7 a4=). Landgraf,Manfred – Steinmann,Joachim, corr 3GMM–30, 1995.

9.dc3= Be6 10.cd5 Bd5 11.c4 Be6 12.Qd8 Rad8 13.Be2 =.

10.Bc4 Qe7 11.Qc2 (11.Bd5 Rd8 12.0-0 Be6 13.c4 Bd5 14.cd5 Qc5-/+) 11...Bg4 12.Bb5 Rfd8 13.Bc6 bc6 14.Nd4 Bd7=+.

10.Bc4 Qf6 11.Qc2 Bh3 12.Bf1 Rfe8 13.Rd1 Bg4 14.Be2 Ne5=+.

10.Bc4 Qf6 11.Bd3 Nc3? 12.Qd2 Nb4 13.Bc3 Nd3 14.Qd3+–.

10.Bc4 Qf6 11.Bd3 Nc5 12.Bc2 b6 13.Qb1= g6 (13...h6 14.0-0=) 14.0-0 Bb7 15.c4 Qe6 16.Ng5 (16.Bb3 Rad8=) 16...Qe7 (16...Qc4 17.Rc1 Qh4 18.Ne4=) 17.Ne4 Ne5 18.Be5 Qe5 19.Nc5 Qc5 20.Be4 Be4 21.Qe4 Rad8 (21...Rfe8 22.Qc2=) 22.Rad1 Rfe8 23.Qc2 (23.Qg4 Qc6=) 23...b5 24.Rc1 b4 25.Rfd1 Rd6 26.Rd6 cd6 27.g3 (27.Qd2 Rc8 28.e4 a5=) 27...Rc8=+ 28.e4 a5 (28...Qd4 29.Kg2=) 29.Qd1 (29.Qd3 a4=) 29...Qe5 30.f3 (30.Qd3 Qe6=) 30...a4 (30...f5 31.ef5 Qc5 32.Kg2=) 31.Kg2 (31.Qa4 Qd4 32.Kh1 Qf2=) 31...Qa5 (31...b3 32.ab3 Qb2 33.Qc2 Qb3 34.Qe2=+) 32.Qd5 (32.Qd6 b3 33.ab3 ab3=) 32...Qc5 (32...Qd5 33.ed5 (33.cd5?? Rc1 34.e5 Rc8-+) 33...Kg7 34.Kf2=+) 33.Qb7 (33.Qd3 Kg7=) 33...a3 (33...Kg7 34.Rc2=+) 34.Rc2 (34.Qd5 Qe3 35.Qd1 h6=) 34...h5 (34...Kg7 35.Qd7=+) 35.h3 Kg7 (35...Rc7 36.Qa8 Kg7 37.Qd8=) 36.h4 (36.Qd7 h4=) 36...Rc7 (36...Rc6 37.Qa8=+) 37.Qb8= Ra7 38.Rf2 (38.Rc1 Ra6=+) 38...Ra6-/+ 39.Qb5 (39.Rc2 Rb6 40.Qe8 b3 41.ab3 Rb3-+) 39...Qb5 40.cb5 Ra5 41.Rf1 Rb5 0–1. Boehnke,Hartmut (2035) – Turko,Sergey Ivanovich (2120), WC17/WS47 ICCF, 2009.

10.Bc4 Bg4 11.Bd5 Qe7 12.Qa4 Bf3-/+ 13.gf3 Nc5 14.Qc2 Ne5 15.0-0-0 c6 16.Be4 Ne4 17.Qe4 f5 18.Qb4 c5 19.Qa4 b5 20.Qb5 Rab8 (20...Nf3?! 21.Rd7 Qe4 22.Qc5=) 21.Qa4 (21.Qe2 Qe6 22.Ba3 Rfc8-+) 21...Rb6 (21...c4 22.Qa6 Rf6 23.Ba3 Ra6 24.Be7-+) 22.f4 (22.Ba3 Rfb8 23.f4 Qe6-+) 22...Rfb8 (22...Qb7 23.Ba3 Nd3 24.Rd3 Rb1 25.Kc2 Rh1 26.Qb3 Qb3 27.Kb3-/+) 23.fe5 Rb2 24.Rd7 Qe5 Threatening mate: Qxc3 25.Qc4 Kh8 26.Rhd1 Rb1 (26...Qe8 27.Qd5=+ (27.Qc5?? Rb1 28.Kd2 Qd7 29.Qd4 R8b2 30.Ke1 Rd1 31.Kd1 Qd4 32.ed4 Rf2-+)) 27.Kd2 Rd1 (27...Qh2?? 28.Rb1 Qf2 29.Qe2 Qe2 30.Ke2+–) 28.Kd1 h6 (better 28...Qh2!? 29.Ke2 Qh5 30.Kd2 h6-/+) 29.h4 (29.Ra7? Qh2 30.Rd7 Qf2-+) 29...Qh2 30.Rd2 (30.Qc5?? Qf2 31.Kc1 Qf1 32.Rd1 Qg2-+) 30...Kh7 31.Ke2 Qh3 32.Qc5 Qg4 33.Kd3 ½–½. Sitnikov,Anton (2380) – Krapivin,Alexander (2340), Serpukhov–A, 2004.

10.Bc4 Bg4 11.Bd5 Qe7 12.Qc2!? Bf3 13.gf3= Nf6 14.Bc6 bc6= 15.c4=.

10.Bc4 Bg4 11.Bd5 Qe7 12.Bc6 A) 12...bc6 13.Qc2 c5 (13...Bf3 14.gf3 Ng5 15.f4 Ne4 16.Rd1 Rfd8 17.Rd4=+) 14.h3 Bf5 (14...Bh5 15.c4 Rfd8 16.Ne5 Qd6 17.f3=) 15.Qe2 Rab8 16.Rd1 Be6 17.Ba1=+; B) 12...Rad8 13.Qa4 B1) 13...Bf3 14.gf3 Nf2 (14...Nc5 15.Ba3 bc6 16.Ke2 Rd5 17.Qc6 Rfd8 18.Rhd1+=) 15.Kf2 Rd2 16.Kg3 Rb2 17.Bd7 Qe3 18.Qd4=; B2) 13...bc6 14.Nd4 B21) 14...c5 15.Nb3 c6 (15...Rfe8 16.0-0 Qg5 17.f4 Qg6 18.Rae1 c4 19.Qc4=+) 16.Qc6 Rd6 17.Qb5 Nf2 18.0-0 Nd3 19.Ba3-+; B22) 14...Rfe8= 15.0-0=.

10.Bc4 Bg4 11.Bd5 Qe8 12.h3 Bh5 13.Qe2 (13.g4 Bg6 14.Nh4 Rd8= 15.Ng6=) 13...Rd8 14.Rd1 Nf6 15.c4=.

10.Qd8 Rd8=+ 11.Bc4 Bg4 12.Be2 Nc5 (12...Bf3 13.gf3 Nc5 14.Rd1=+) 13.Ba3= Nd3 (13...Na4 14.c4=) 14.Kf1 Nce5 15.Ne5 Ne5 16.Bg4 Ng4 17.Ke2 Rd5 18.Rhd1 Ra5 (18...Rad8 19.Rd5 Rd5 20.h3=) 19.Bb4 (19.Be7 Nh2 20.Rd7 Rc8+=) 19...Rf5 20.f3 Nh2 21.c4 (21.Rh1 Rh5=) 21...Rg5+= 22.Kf2 Re8 (22...c5!? 23.Bc3 Ng4 24.fg4 Rg4+=) 23.Rd7+– a5 24.Be7 (24.Bd2 Rc5+–) 24...Re5 25.Bd8 Rf5 26.Kg1 Nf3 27.gf3 Re3 28.Bc7 h6 (28...h5 29.Bd6+–) 29.Rb1 (29.f4 Rc3+–) 29...Ref3 30.Rd5 Rd5 (30...a4 31.Rf5 (worse 31.Rb7 Rf1 32.Kg2 R5f2 33.Kg3 Rf3 34.Kh2 R1f2 35.Kg1 Ra2-/+) 31...Rf5 32.Rb4+–) 31.cd5 Rf5 (better 31...Rd3 32.d6 Rd2+–) 32.Rd1+– Rg5 33.Kf2 Rf5 34.Ke3 Rh5 (34...g5 35.d6 Re5 36.Kf2 Re8+–) 35.d6 (35.Ba5 Rh3 36.Kd4 Ra3+–) 35...Rh3 (35...Re5 36.Kd4 Re2 37.d7+–) 36.Kf2 Rh2 37.Kg1 Ra2 (37...Rh5 38.d7 Rg5 39.Kf2+–) 38.d7 Ra3 39.d8Q Kh7 40.Qd5 Kg6 41.Qe4 f5 42.Rd6 (42.Rd6 Kh5 43.Qf5 g5 44.Qg6 Kg4 45.Rd4 Kf3 46.Qe4) 1–0. marekt – nitousche, ChessWorld.net, 2004.

9.Qc2 Nc3 10.dc3=.

9.Nd5 Bd5 10.cd5 Qd5 11.a3 =.

9.a3 Ba5 10.Be2 Nc5 11.0-0 Nb3 (11...Nd3!?=+) 12.Nc3+= Bc3 13.dc3 Qe6 (13...Qd1!? 14.Rad1 Be6+=) 14.Ng5+/- Qg6 15.Qb3 (15.Nh7!? Bh3 16.Bf3 Kh7 17.Qb3+/-) 15...Qg5+= 16.Rfd1 b6 (16...Bf5 A) 17.Qb7 Be4 18.f3 Rab8 (18...Qe3?! 19.Kf1 Rab8 20.Bc1 Qc3 21.Qc7 Qa1 22.fe4-+) 19.Qc7 Qe3 20.Kh1 Qe2-+ (20...Rb2?! 21.Bf1-+); B) 17.Bf3 Rab8 18.c4+=) 17.c4 Be6 (17...Bb7 18.Rd5 f5 19.h4+=) 18.Qb5+/- Qg6?? (better 18...Qb5 19.cb5 Na5+/-) 19.Bd3+- (19.Bd3 a6 20.Qc6+- (20.Bg6?! ab5 21.Be4 Na5+/-); 19.Qc6?! Qc2 20.Bg7 Kg7+-) 1-0. OnlyPolishOpening (2030) - esguerrajabe (1940), lichess.org, 2020.

9.Nc3 Qe6 10.Nb5 (better is 10.Bd3!? Nf6 11.Qc2=) 10...Rd8-/+ 11.Nc7 Qf5 12.g4 (12.Bc1 Rd2! 13.Bd2 Bd2 14.Qd2 Nd2 15.Na8 Nf3 16.gf3 Qa5 17.Kd1-+) 12...Bd2 13.Qd2 Qf3 (13...Nd2? 14.gf5 Nf3 15.Ke2+/–) 14.Bg2 (14.Qe2 Nb4 15.Bd4 (15.Qf3?? Nc2 16.Ke2 Rd2) 15...Rd4 16.h3 (16.Qf3 Nc2 17.Ke2 Rd2) 16...Nd3 17.Kd1 Nf4 18.Ke1 Ne2 19.Rh2-+) 14...Qg2 (14...Rd2?! 15.Bf3 Rb2 A) worse is 16.Na8 Nf2 17.0-0 Nh3 (worse is 17...Ng4 18.Bc6 bc6 19.Rad1+/–) 18.Kh1 Ne5-/+; B) 16.Be4=) 15.Qd8 Nd8 16.0-0-0 Nc6 17.Rhg1 Qh2 18.Na8 Nf2 19.Rgf1 Nd1 20.Rd1 Bg4 0–1. soidog (2020) – marekt (1840), gameknot.com, 2014.

9.Be2 Qh5 10.a3 Ba5 11.0-0 Qg6 12.d3 Rd8 13.Qc2 Nd6 14.Kh1 f6 15.Nbd2 Bb6 16.Nb3 Kh8 17.Rac1 Na5 18.Na5 Ba5 19.Bc3 Bc3 20.Qc3 c6 21.h3 Be6 22.a4 Rd7 23.Nd4 Bg8 24.Kg1 Rad8 25.Qb4 f5 26.a5 a6 27.Rc5 Qf6 28.Rd1 h6 29.Re1 Re8 30.g3 g5 31.Bh5 Ree7 32.Kg2 Bd5 33.Bf3 Bf7 34.Qc3 Bg6 35.Rc1 Qg7 36.Qb4 Qf6 37.Ne2 Bf7 38.Rd1 Kg7 39.Rdc1 Kg8 40.Nd4 Bg6 41.Ne2 Bf7 42.Nd4 Bg6 43.Qc3 Kg7 44.Rd1 Rd8 45.g4 Kh7 46.Qb4 Rde8 47.Be2 Rf7 48.Rf1 Kg7 49.Kh1 Rd7 50.Kg1 Kg8 51.Nf3 Rde7 52.Nh2 Rf8 53.Rb1 Kh7 54.Rf1 Rfe8 55.Rd1 Qf8 56.Nf3 fg4 57.hg4 Rf7 58.Kg2 Nb5 59.Rh1 Kg8 60.Rb1 Rd8 61.Re5 Qb4 62.Rb4 Bd3 63.Bd3 Rd3 64.Re8 Rf8 65.Re7 Rd6 66.Nd4 c5 67.Nb5 Rd2 68.Rb1 ab5 69.Rb5 Rdf2 ½–½. Buczinski,Henryk (2200) – Van Der Kemp,Michel (2320), WC–2012–T–00005, 2010.

10.0-0 Bd2 11.Qc2 Bf5 (11...Nb4 12.Qc7 Na6 13.Qf4 Ba5 14.Ne5 Bc7 15.f3 Nec5) 12.Nbd2 Nd2 13.Qc3 f6 14.Nd2 Qd2 15.Bc4 Kf8.

10.0-0 Nd2 11.Nbd2 Bd2-/+ 12.e4 Qa5 13.Bc4 (13.Qb3 Qb6+=) 13...Bf4-/+ 14.Qb3 Qh5 15.Qc3 (15.Rad1 Bg4 16.Qc3 Qh6-/+) 15...Qg6 (15...Nd4 16.Rfd1 c5 17.h3-/+) 16.g3 Bd6 17.Nh4 Be5 (17...Qg5!?-/+) 18.Ng6+= Bc3 19.Bc3 hg6 20.Rab1 b6 21.Rfc1 Bb7 22.f3 Rac8 23.a4 Nd4 24.Kf2 Rd6 (24...g5 25.h3+=) 25.a5 (25.e5 Rd7=) 25...Rcd8= 26.Ke3 g5 27.ab6 ab6 28.Rb2 (28.Bd4 Rd4 29.Bf7 Kf7 30.Rc7 R4d7 31.Rd7 Rd7 32.Rb6 Re7+=) 28...c5+= 29.Bd4 (29.Rcb1 Bc6+=) 29...cd4-/+ (worse is 29...Rd4 30.Rb6 R4d7 31.Rg6+/–) 30.Kd3 Rf6 31.Rf1 Re8 (31...Kf8!?+=) 32.Kd4= g4 33.Bd5 Rd8 34.Rbf2 Bd5 ½–½. Degterev,Pavel (2545) – Sukhodolsky,Alexandr (2465), Memorial Bernstein A, 2007.

10.0-0 Nd2 11.Nbd2 Bd2 12.e4 Qd6 13.Qc2 Nb4 14.Qd2 Qd2 15.Nd2 Rd2 16.Rad1 Rd1 17.Rd1 Be6 18.a3 Nc6 19.f4 Rd8 20.Rd8 Nd8 21.Be5 c5 22.Bd6 b6 23.Kf2 Nc6 24.Ke3 Bc8 25.Bc4 Nd4 ½–½. Buczinski,Henryk (2195) – Roques,Pascal (2220), WC–2011–F–00004, 2011.

10.0-0 Bg4 11.Nc3 (11.h3 Bf3 12.Bf3 Qc4 13.d4 Re8 14.Na3 Qa6 15.Be2 Qa5) 11...Bc3 12.Bc3 b5 13.h3 Bh5 14.Bb2 Nd2 15.Nd2 Be2.

10.Qc2 Bf5 11.Qc4 Nd2 12.Nbd2 Bd2 13.Kf1 Qc4 14.Bc4 Ba5 15.Ke2 a6 16.Rhd1=+ Rd1 17.Rd1 Rd8 18.Rd8 Nd8 19.Nd4 Bd7 20.f3 b5 21.Nb3 Bb6 22.Bd3 c5 23.Be4 Bc6 24.Nd2 Ba5 25.Nb3 Bb6 26.Nd2 a5 27.a3 Bd7 28.Bd5 Be6 29.e4 Bd5 30.ed5 f6 31.Ne4 Nb7 32.g4 h6 33.h4 Bd8 34.f4 Kf7 35.Bc1 Be7 36.Be3 c4-+ 37.Bc1 g6 38.Bb2 Nd6 39.Nc5 a4 40.Kf3 f5 41.g5-/+ hg5 42.hg5 Nc8 43.Nd7 Bd6 44.Ne5= Kg8 45.Ng6 b4 46.ab4 Bb4 47.Ne5 c3-+ 48.Ba1 c2 49.Nd3 a3 50.Ke2 Nd6 51.Nc1=+ Ne4 52.Kd3 Bd2-/+ 53.Kc2 Bf4 54.g6 Bd6 55.Kd3 Ng5 56.Nb3 f4 57.Ke2 Bc7 58.Nd2 Ba5 59.Nc4 Bb4 60.d6 f3 61.Kf1 Ne4 62.d7 Be7 63.Na3 Nd2 64.Ke1 Bh4?? 65.Kd2+– Kf8 66.Nc4 Ke7 67.g7 Kf7 68.Nd6 Kg8 69.Nb7 (69.Nb7 Bg5 70.Ke1 Bh4 71.Kf1+–) 1–0. Schwichtenberg,Juergen (1670) – Bartle,Georg (1680), Wch Seniors, 2003.

10.Nc3 Bc3 11.Bc3 Nc3 12.dc3 Qc5 13.Qc1 Bg4 14.Rb1 Bf3 15.Rb5 Qe7.

11.0-0 Bd2 12.Qa4 Ba5 13.Rd1 -/+.

11.0-0 Bd2 162.Qc2 Bf5 13.Bc4 Ng5 14.Bd5 Nf3 15.Bf3 Bc2.

11.0-0 Bd2 12.Qc2 Bf5 13.Nbd2 Nd2 14.Qc3 f6 15.Rad1 Nf3 16.Bf3 Qe6 17.e4 Bg6 (17...Be4? 18.Rde1 Rd3 19.Qd3 Bd3 20.Re6 Bf1 21.Kf1+- (worse 21.Bc6 Bc4 22.Re4 Rd8 23.Re8 Re8 24.Be8 c5+-)) 18.e5 fe5 (18...Qe5?? 19.Qb3 Bf7 20.Qb7+-) 19.Bc6 Qc6 20.Qc6 bc6 21.Be5 Bd3 22.Bc7 Rd7 23.Rfe1 c5 24.Ba5 c4 25.Rc1 Rb8 26.Bb4 Rb5 27.Re8 Kf7 28.Ra8 Be4 29.Rc8 Bd3 30.h4 Attacks the isolani on c4 30...a5 31.Bc3 Rb3 32.Ba5 Ra3 33.Bc3 Ra2 34.Re1 h5 35.Re5 Rc2 36.Bb4 g6 37.Rf8 Kg7 38.Ree8 Bf5 39.Kh2 Bg4 (39...Rf2?? 40.Bc3 Kh6 41.Rh8 Rh7 42.Rh7 Kh7 43.Rh8) 40.Rg8 Kh7 41.Rgf8 Kg7 42.Bc5 c3 43.Be3 Re2 44.Rg8 Kf7 45.Ref8 Ke7 46.Rc8 c2 47.Bg5 Kd6 48.Rg6 Kd5 49.Be3 Be6 50.Rg5 Ke4 51.Rc3 Rd3 52.Rc6 Bf7 53.Rc7 Be6 54.Rh5 Rd5 (54...Rde3 55.fe3 Bb3 56.Rb5 Re3 57.h5+-) 55.Rh6 Re5? (better 55...Bd7+=) 56.Rc3+- Kd5 57.Kg3 Rf5 58.Rh7 Ke5 59.Rhc7 1-0. flobo (2470) - luleerik (2085), gameknot.com, 2019.

11.0-0 Qd6 12.Qc2 Bf5 13.Nh4 Nc3 14.Nf5 Ne2 15.Kh1 Qe6.

11.0-0 Rd6 12.Qc2 Nc5 (12...Bd2? 13.Rd1 (13.Nbd2?! Nd2 14.Rad1 Nf3 15.Bf3 Qb5+=) 13...Bf5 14.Nbd2+– (14.Rd2?! Nd2 15.Qd2 Qd2 16.Nbd2 Bd3+=; 14.Nfd2?! Ng3 15.Qc4 Ne2 16.Qe2 Rad8+–); 12...Nd2? 13.Nbd2 Bf5 14.e4 Bd2 15.ef5+–) 13.Rc1 (13.Bc4 Bf5 14.Qc1 Nd3 15.Bd5 Nc1 16.Bf7 Kf7 17.Rc1 Bd3=) 13...Qb3 (better is 13...Nb3 14.Nc3 Na1 15.Ba1 Qf5-/+) 14.Qc5= Qb2 15.Nc3 b6 16.Qh5 (16.Qb5 Bc3 17.dc3 Qb5 18.Bb5 Bb7=) 16...Bc3+= 17.Ng5 Rf6 (17...Rg6 18.Bc4 Ne5 (18...Qa1 19.Ra1 Ba1 20.Bf7 Kf8 21.Bg6 hg6 22.Qf3 Bf5 23.Qc6+–) 19.Bf7 Nf7 20.Qh7 Kf8 21.Qg6 Ng5 22.Qg5 Bf6+/–) 18.Rab1 Qd2 19.Qh7 Kf8 20.Rc2 Qd5 21.Rb5 Qd7 22.Rc3 Qd2 23.Rc2 Qe1 24.Bf1 Ba6 25.Re2 Qc3 26.a4 Rh6 (better is 26...Bb5 27.ab5 Rh6=) 27.Qf5+– Qf6 28.Nh7 Rh7 29.Qh7 Rd8 30.Qc2 Qd6 31.Re1 Bb5 32.ab5 (32.Bb5?! Ne5=) 32...Nb4 33.Qa4 c5 34.Qa7 Qf6 35.Qa1 Qd6 36.Rb1 Nd3 37.Qa2 Qd5 38.Qa7 Qe6 39.Rd1 c4 40.h3 Kg8 41.Rd2 g6 42.Qa4 Qd5 43.Rc2 Rc8 44.Qa6 Rc5 45.Qb6 Rb5 46.e4! Qg5 (46...Qe4 47.Bd3 Double attack (47.Qb5 Deflection; 47.Bd3 Decoy)) 47.Qd4 (47.Qc6 Rb1 A) 48.Rc4 Qd2 49.Qf6 Rf1 50.Kh2 Qf4 (50...Nf2?? 51.Rc8 Qd8 52.Qd8 Kg7 53.Qh8) 51.Qf4 Nf4-/+; B) 48.Qc8 Kg7 49.Qc4+– (49.Rc4 Qd2 50.Qc7 Rf1 51.Kh2 Nf2 52.Qe5 Kh7-+)) 47...Ne5+/– 48.Qd1 Rb4 49.g3 Qe7 50.Kg2 Nd3 51.Bd3 cd3 52.Qd3 Qe4 53.Qe4 Re4 54.h4 Kg7 55.f3 Re6 56.g4 Rb6 57.Rc7 Kf6 58.Kf2 Rb1 59.Kg3 Rg1 60.Kh2 Rb1 61.Ra7 Rb5 62.Ra6 Kg7 63.Kg3 Rb1 64.Ra7 Kf6 65.Kg2 (65.h5 Kg7+/–) 65...Rb2 66.Kh3 Rb3 67.g5 Ke6 68.Ra6 Ke7 69.Kg3 Rb1 70.Ra4 Ke6 71.Re4 Kd6 72.Rc4 Ke6 73.Rc2 Rg1 74.Kf2 Rh1 75.Rc4 Kd6 76.Rd4 Ke5 77.Re4 ½–½. pcmvr – pierred (2845), net–chess.com, 2016.

11.0-0 Rd6 12.Nc3 Bc3 13.dc3 Qc5 14.Qc2 Bf5 15.Qb3 Bg4.

11.0-0 Rd6 12.d3 Nc5 13.Nc3 Bc3 14.Bc3 Nd3 15.Qb1 Nc5 16.Rd1 Qe6 17.Nd4 Nd4 18.ed4 Rb6 (18...Qe2 Worse is 19.Re1 Qe1 20.Qe1+/–) 19.Qc2 Nb3 20.Ra2 Qd5 21.Bf3 Qc4 22.Be2 Qa4 23.d5 Bd7 24.Bd3 g6 25.Be5 c5 26.Bf1 Rc8 27.Qc3 Qa5 28.Qg3 Nd4 29.d6 Re8 30.Rad2 Rb3 31.Qg5 Rf3 (31...Qa3? is no good because of 32.Bc4 Rf3 33.Bd4+–; 31...Ra3?! 32.Qf6 Re5 33.Qe5+=) 32.Bd4 Rf5 33.Qh4 cd4 34.Qd4 Rfe5 35.h3 Re1 36.Kh2 R8e4 37.Qb2 Qa4 38.Ra1 b6 39.Qc3 Qc6 40.Qc6 Bc6 41.Re1 Re1 42.Ba6 Bd7 43.g4 Kg7 44.Rd3 Rc1 45.a4 Kf6 46.f4 Ke6 47.Rd4 Rc2 48.Kg3 Rc3 49.Kh2 Rc2 50.Kg3 ½–½. Buczinski,Henryk (2175) – Roberts,Anthony (2275), BI–2010–F–00003, 2011.

11.0-0 Rd6 12.d3 Nc5 13.Nc3 Bc3 14.Bc3 Nd3 15.Qb1 Nc5 16.Rd1 Qf5 17.Nd4 Qb1 18.Rab1 Nd4 19.Bd4 Ne6 20.Bc3 Rd1 21.Rd1 b6 22.Be5 f6 23.Bg3 Kf7 24.Bc4 ½–½. Belov,Pavel Ilich (2140) – Galanov,Sergey Igorevich (2515), RUS/TC6/Final (RUS), 2012.

11.0-0 Bf5 12.d3 Qb5 13.Qc2 Nc5 14.e4 Bg4 15.Nc3 Bc3.

11.0-0 Bg4 12.Qa4 Bh5 13.Nc3 Bc3 14.Bc3 Nc3 15.dc3 h6 16.Rfd1 Qa5 17.Qc4 ½–½. deepthough (2355) – maltedk (2375), gameknot.com, 2015.

11.0-0 Bg4 12.h3 Be6 13.Qc2 Ng5 (worse 13...Bd2 14.Rd1 Qb3 15.Qe4 Be3 A) 16.fe3? Rd1 17.Bd1 Qb2-+ (worse 17...Qd1 18.Kh2+–); B) 16.Rd8 Rd8 17.Bg7 (17.fe3? Qb2 18.Ng5 Qa1 19.Qh7 Kf8 20.Ne6 fe6-+) 17...Bf2 18.Kf2 Kg7 19.Ng5+–) 14.Ng5 Qg5 15.f4 Qf5 16.Qf5 Bf5 17.d4 Rd7 18.g4 Be4 19.Nc3 Bc3 20.Bc3 Ne7 21.Rac1 Nd5 22.Kf2 Rd6 23.Rfe1 Rh6 24.Kg3 Re8 (24...Ne3? 25.Bb5 Bg2 26.h4 Ng4 27.Kg2+– (27.Kg4?! Rg6 28.Kf5 Rf6 29.Kg5 Rg6 30.Kf5 Rf6 31.Kg5 Rg6 32.Kf5=); worse 24...Nc3 25.Rc3 c6 26.Bd3+=) 25.Bc4 Rd6 26.Bb4 Rd7 27.Bc5 a6 28.a4 g6 29.a5 Nf6 30.Bb3 Bc6 31.Bb4 h6 32.Kf2 Kg7 33.Bc4 Bd5 34.Bd5 Nd5 Attacking the backward pawn on e3 35.Rb1 b5 (worse 35...Nb4 36.Rb4 c6 37.e4+–) 36.ab6 cb6 37.Kf3 a5 38.Bd2 f5 39.gf5 gf5 40.e4 fe4 41.Re4 Red8 42.Re6 Rd6 43.Rd6 Rd6 44.Ke4 Kf7 45.f5 h5 ½–½. michaelbuss – nii_sama, ChessWorld.net, 2016.

11.Nc3 Bc3 12.Bc3 Nc3 13.dc3 Qc5 14.Qc1 Bg4 15.Rb1 Bf3.

11.Nc3 Nc3 12.Bc3 Bc3 13.dc3 Qc5 14.Qc1 Bg4 15.Rb1 Bf3.

10.0-0 Rad8 11.d4 a6 (11...Rfe8 12.Qc2=+) 12.Qc2= Bd6 13.Bc4? (13.Ba3 Rfe8=) 13...Qf5 (better 13...Qh5 14.Ne5 Ne5 15.de5 Be5 16.Be5 Qe5-+) 14.Bd3?? (better 14.Nfd2 Nd2 15.Qd2=+) 14...Bf3-+ 15.gf3 (15.Nd2 Bh2! 16.Kh1 Bg2 17.Kg2 Qg4 18.Kh1 Qh3 19.Nf3 Bf4 20.Kg1 Ng5 21.Bh7 Kh8 22.Be4 Nf3 23.Bf3 Qh2) 15...Qh5 (15...Bh2 16.Kg2 Qg5 17.Kh3 Rd6 18.Qc6 Rc6 19.fe4 Rh6) 16.f4 (16.Rc1 Nb4 17.fe4 Bh2 18.Kg2 Nc2 19.Bc2 Qg5 20.Kf3 h5-+) 16...Nb4 17.Qe2 Qg6 18.Kh1 Nd3 19.Rg1 (19.f3 Rfe8 20.fe4 Qe4 21.Rf3 Nb2 22.Nc3-+) 19…Nef2 (19...Nef2 20.Qf2 Nf2; 19...Ndf2 20.Qf2 Nf2) 0-1. yasminoah (2000) - bvm67 (2210), Rated Blitz game, lichess.org, 2014.

10.a3 Ba5 11.0-0 Rad8 (11...Rfd8 12.Nc3 (12.Qa4 Qf5 13.h3 Bf3 14.Bf3 Nd2 15.Nd2 Rd2 16.Rab1; 12.h3 Bf5 13.Nc3 Bc3 14.Bc3 Rd6 15.Qa4 Rg6 16.Nh4) 12...Bc3 13.Bc3 h6 14.Qc2 Rab8 15.d4 Rd6 16.h3; 11...Qc5 12.d3 Qb5 13.Qc2 Nc5 14.Nc3 Qb3 15.Qb3 Nb3 16.Rad1) 12.h3 (12.Nc3 Bc3 13.Bc3 Rd6 14.Qc2 Rg6 15.Kh1 Re8 16.Rab1; 12.Qa4 Qf5 13.h3 Bf3 14.Bf3 Rfe8 15.Qc2 Qg6 16.Be4; 12.Qc2 Bf5 13.d3 Qc5 14.Rc1 Qc2 15.Rc2 Nf6 16.e4) 12...Bh5 (12...Bf5 13.Nc3 Bc3 14.Bc3 Rd6 15.Qa4 Rg6 16.Nh4) 13.Nc3 Nc3 (13...Bc3 14.Bc3 Qc5 15.Qb3 Bf3 16.Bf3) 14.Bc3 (14.dc3 Bg6 15.Qa4 Qc5 16.Qf4) 14...Bc3 15.dc3 Qe4 (15...Rfe8 16.Qb1) 16.Qb1 Qb1 17.Rab1 b6 18.Rbd1 f6 19.g4 Bf7 20.Nd4 Na5 21.Rfe1 Rd5 22.Nb5 c6 23.Rd5 (23.Na7 Ra8 24.Bf3 Ra7 25.Bd5 Bd5-/+ (25...cd5?! 26.e4=)) 23...Bd5 (23...cd5 24.Na7 Ra8 25.Nb5+–) 24.Nd4 (24.Na7 Ra8 25.Nc6 Nc6-+) 24...Rd8 25.Kh2 Rd7 26.Rd1 Kf7 27.Kg3 Bc4 28.Bf3 c5 29.Nf5 Rd1 30.Bd1 Bd3 31.Bf3 g6 32.Bd5 Ke8 33.Nh6 Nc4 34.Bc4 Bc4 35.e4 (35.f4 Bd5=+) 35...Ke7 36.Kf4 a5 37.e5 '?' (better 37.Ke3=+) 37...fe5 '-+' 38.Ke5 b5 39.g5 a4 40.Ke4 b4 41.cb4 cb4 42.Kd4 (42.ab4 a3) 42...ba3 43.Kc3 Be6 44.Ng4 Bf5 45.f3 (45.Ne3 Bh3 46.Nd5 Kf7-+) 45...Kf7 46.Nh6 (46.Ne3 Bh3 47.Kc2 Bf5 48.Kc1-+) 46...Ke6 47.h4 Ke5 48.Nf7 (48.Ng8 Kf4-+) 48...Kf4 49.Nd6 Bd3! (49...Kf3 50.Nf5 Ke2 51.Nd6+–) 50.Ne8 (50.Kd3 a2) 50...Kf3 51.Nf6 Kg3 0–1. Buczinski,Henryk (2185) – Hnatovsky,Nicholas (2260), WC–2013–S–00002, 2010.

10.a3 Ba5 11.Qc2 A) 11...Bf5 12.Qc4 (12.Nh4 Nd2 13.Nf5 Nb1 14.Kf1 Nd2 15.Kg1 f6 16.Rd1) 12...Qd7 13.0-0 Bb6 14.d4 Na5 15.Qb4 c5 16.dc5; B) 11...Rae8 12.0-0 Bf5 13.Bc4 Nd6 14.Bd5 Bc2 15.Bc6 bc6 16.Ne5; C) 11...Rfe8 12.0-0 Rad8 13.Nc3 Bc3 14.Bc3 Nc3 15.dc3 Bf5 16.Qb2; D) 11...h5 12.0-0 Bf5 13.d3 Qc5 14.Rc1 Qc2 15.Rc2 Nd6 16.Nbd2; E) 11...a6 12.0-0 (12.Nc3 Bc3 13.Bc3 b5 14.0-0 f6 15.d4 Rfe8 16.h3) 12...Rfe8 13.Nc3 Bc3 14.Bc3 Nc3 15.dc3 Rad8 16.Rfd1.

10.a3 Ba5 11.Nc3 A) 11...Nc3 12.dc3 (12.Bc3 Rad8 13.Rc1 Rd6 14.0-0 Rg6 15.Nh4 Be2 16.Qe2) 12...Rad8 13.0-0 Qc5 14.Qc2 Bf5 15.Qb3 Be4 16.Rad1; B) 11...Bc3 12.Bc3 (12.dc3 Qe6 13.0-0 Bf3 14.Bf3 Rad8 15.Qa4 Nd2 16.Bc6) 12...Nc3 13.dc3 Qc5 14.0-0 Qc3 15.Qa4 Be6 16.Rac1.

10.a3 Ba5 11.h3 A) 11...Bf5 12.0-0 (12.Nc3 Bc3 13.Bc3 Rad8 14.0-0 Rd6 15.Rc1 Rfd8 16.d3) 12...Rad8 13.d3 Qb5 14.Qc2 Nc5 15.e4 Bg6 16.Nc3; B) 11...Be6 12.Nc3 Bc3 13.Bc3 Nc3 14.dc3 Qc5 15.Qc2 Bf5 16.Qb3.

10.h3 Be6 11.0-0 Rad8 12.d3 Ng5 (12...Qc5 13.a3 Ba5 14.Nbd2 Nd2 15.Nd2 Bd2 16.Qd2=) 13.a3 Bd6 14.Nbd2 Nh3 15.gh3 Bh3 16.Qa4 Nb4 17.Ne4 (17.ab4 Qh5 18.Ne5 Qe2-+) 17...Qh5 (worse is 17...Bf1 18.Bf1 f5 19.Nd6 (19.ab4 fe4 20.de4 Qe4 21.Qb3 Kh8-+) 19...Rd6 20.Ne5+/– (20.Qb4?? Rg6 21.Ng5 Rg5 22.Kh2 Qf3-+; 20.ab4 Rg6 21.Bg2 Qf3 22.Qa2 Kh8-+)) 18.Ng3 (18.ab4 Qg4 19.Ng3 Bg3-+) 18...Bg3 19.Qb4 (19.ab4?? Bd6 20.Be5 Qg6 21.Bg3 Bg3-+) 19...Qg6 20.Kh1 (20.fg3?? Qg3 21.Kh1 Qg2) 20...Bd6 21.Rg1 Bb4 22.Rg6 fg6 (worse is 22...hg6 23.ab4 a6 24.Nd4+/–) 23.ab4 Bg4 24.Kg2 Rd5 25.Ra5 (25.Ra7? Bf3 26.Bf3 Rg5 27.Kf1 Rf3-+) 25...Ra5 26.ba5 Rf5 27.Bc3 Kf8 28.Kg3 Bf3 ½–½. Muri,Heinrich (2410) – Pessoa,Francisco Azevedo (2430), European TC VII, Final, 2008.

10.h3 Bf3 11.gf3 Nc5 12.a3 (12.a3 Ba5 13.Nc3 Nd3 14.Kf1 Nb2 15.Nd5 Nd1 16.Rd1+=) 1–0. gambit_queen (2160) – silencer123 (2005), gameknot.com, 2014.

10.h3 Bf3 11.gf3 Nc5 12.Rg1 Ne5 13.Kf1 Ncd3 14.Qc2 Nb2 15.Qb2 c5 16.f4 Ng6 17.h4 Qe6 18.Rg3 f6 19.a3 Ba5 20.h5 Ne7 21.Qb7 Rfe8 22.Qb5 Nf5?? (better is 22...Qb6+/–) 23.Bc4+– (23.Qa5?! Ng3 24.fg3 Qh3 25.Ke1 Qg3 26.Kd1 Qg2+/–) 23...Ng3 24.fg3 Qc4 25.Qc4 Kh8 26.h6 gh6 27.Qc5 Bb6 28.Qf5 1–0. BlackDemon (2595) – PeteVine (2065), FICS rated standard game, 2013.

9.Bc4 Be6 10.Qb3?? Nc5-+ 11.Qc2 Bc4 (11...Bc4 12.Qc4 Qd3-+) 0–1. toffie62 (1790) – forsetinn (2220), gameknot.com, 2014.

9.Bc4 Be6 10.Be6 fe6 11.0-0 Qd5 12.Qc2? Rf3-+ 13.gf3 Ng5 (13...Nd2 14.Nd2 Qd2 15.Qd2 Bd2 16.Rfd1+=) 14.e4 (14.Rc1 Qf3 15.d4 Nh3 16.Kf1-+) 14...Nf3 15.Kg2 Qh5 16.Rh1 Qg4 17.Kf1 Qh3 18.Ke2 Nfd4 (18...Nfd4 19.Bd4 Nd4 20.Kd1 Qf3 21.Kc1 Nc2 22.Kc2 Qh1-+) 0–1. Kappel,Ray – Tomak,Alexander, OP–2009–0-00933, 2009.

9.Bc4 Be6 10.Be6 fe6 11.0-0 Qd5 12.d3 Rad8 13.Nd4 Nf6 14.Nc3 Bc3 15.Nc6 Qc6 16.Rc1 Qb5 17.Bc3 Qd3 18.Qd3 Rd3 19.Bf6 gf6 20.Rc7 Rf7 21.Rc2 Rfd7 22.g3 Kf7 23.Kg2 Kg6 24.Rb1 h5 25.a4 Ra3 26.Rb4 a5 27.Rh4 e5 28.h3 b6 29.g4 hg4 30.Rg4 Kf7 31.h4 f5 32.Rgc4 Kg7 33.Rb2 Rd6 34.Rb5 Kf6 35.h5 Re6 36.h6 Kg6 37.Rh4 Kh7 38.Rd5 Re7 39.Rd6 f4 40.Rb6 fe3 41.f3 Ra2 42.Kg3 e4 43.Re4 Re4 44.fe4 Ra4 45.Kf3 e2 46.Ke2 Re4 47.Kd3 ½–½. Buczinski,Henryk (2260) – Moskvichev,Valery Ivanovich (1800), Alpert Memorial Cup, Preliminary group, 2009.

9.Bc4 Be6 10.Be6 fe6 11.0-0 Qd5 12.d4 Rad8 13.Qe2 Rf6 14.Nbd2 Nd2 15.Nd2 Bd2 16.Qd2 e5 17.Qe2 ed4 18.ed4 Re6 (18...Nd4?! 19.Bd4 Rg6 20.g3 Qd4 21.Rad1=) 19.Qc2 a6 (19...Nd4?! 20.Bd4 Qd4 21.Rad1=) 20.a3 Rde8 21.Rad1 Re2 22.Rd2 R2e7 23.h3 Na5 24.Qc5 Qc5 25.dc5 Nb3 26.Rc2 Re2 27.Re2 Re2 28.Bc3 Nc5 29.Re1 Re1 30.Be1 Kf7 31.Bc3 Ne4 32.Be5 c5 33.a4 c4 34.f3 Nc5 35.a5 Nb3 36.Bc3 Nc1 37.Kf2 Na2 38.Ba1 c3 39.Ke3 (39.Bc3 Nc3 40.Ke3 Nb5-+) 39...c2 40.Bb2 c1Q (40...c1Q 41.Bc1 Nc1-+) 0–1. Kappel,Ray – Preira Goncalves Fi,Jorge (1725), RC–2009–0-00034, 2009.

9.Bc4 Be6 10.Be6 fe6 11.Nc3+=.

9.Bc4 Qe7 10.0-0=+ Nd6 A) 11.Be2 Be6 (11...f6 12.a3 Ba5 13.Qa4 Bf5 14.Nc3 a6 15.Qb3 Be6; 11...Bf5 12.Nc3 f6 13.a3 Ba5 14.Qb3 Be6 15.Qc2 Bf5; 11...h6 12.a3 Ba5 13.d4 Bg4 14.d5 Bf3 15.gf3 Ne5; 11...g6 12.a3 Ba5 13.Nc3 Be6 14.Qa4 f6 15.h4 Rad8; 11...Rd8 12.a3 Ba5 13.Nc3 Bf5 14.Qb3 Qe6 15.Qe6 Be6; 11...f5 12.a3 Ba5 13.d4 Ne4 14.Bc4 Kh8 15.d5 Nd8; 11...Nf5 12.Nc3 Be6 13.Qc2 f6 14.Ne4 Nd6 15.Bd3 Bf5; 11...Ba5 12.Nc3 Be6 13.Qa4 f6 14.Rac1 a6 15.Nd4 Nd4; 11...Rb8 12.a3 Ba5 13.d4 Bg4 14.Nc3 Bc3 15.Bc3 Ne4; 11...Ne4 12.Bc4 Be6 13.Be6 Qe6 14.d3 Nc5 15.d4 Rad8; 11...a6 12.Nc3 Be6 13.Qc2 Nc4 14.Nd5 Bd5 15.Bc4 Be4; 11...Bg4 12.Nc3 Be6 13.Qc2 Nc4 14.Nd5 Bd5 15.Bc4 Bc4) 12.a3 Ba5 13.Qa4 b5 14.Bb5 Nb5 15.Qb5 Rab8; B) 11.Bd3 Be6 (11...Bf5 12.Bf5 Nf5 13.Qc2 Qc5 14.Qc5 Bc5 15.d4 Bb6; 11...f5 12.a3 Ba5 13.Nc3 Be6 14.Qc2 Rae8 15.h3 a6; 11...Bg4 12.a3 Ba5 13.Nc3 Qf6 14.Na4 Bf3 15.Qf3 Qf3; 11...h6 12.Nc3 Be6 13.Qe2 f5 14.h3 Rad8 15.Rfc1 a6; 11...g6 12.Nc3 Be6 13.Qe2 Na5 14.a3 Bc5 15.Na4 Nb3; 11...a6 12.Nc3 Be6 13.Qc2 f5 14.Ne2 Ne4 15.Be4 fe4) 12.a3 Ba5 13.Qc2 f5 14.Nc3 Rae8 15.h3 a6.

9.Bc4 Qe7 10.0-0=+ Rd8 11.a3 Ba5 12.Qc2= Bf5 13.d3 Nc5 14.Rd1 Rd7 15.Nc3 Rad8.

9.Bc4 Qe7 10.0-0=+ Be6 A) 11.Qc2 Bc4 (11...Qc5 12.Bd3 Qc2 13.Bc2 Nd6 14.a3 Ba5 15.Ng5 Bf5) 12.Qc4 Qe6 13.Qc2 Qd5 14.Nc3 Bc3 15.Bc3 Rad8; B) 11.Be6 Qe6 (11...fe6 12.Nc3 Bc3 13.Bc3 Rad8 14.Qa4 Nc5 15.Qc4 Qd6) 12.d3 Nc5 13.Qc2 Qg6 14.e4 Ne6 15.Nh4 Qh5.

9.Bc4 Qe7 10.0-0=+ Bg4 11.h3 Bh5 12.a3 Ba5 13.Qc2 (13.d4 Rfd8 14.Qc2 Bf3 15.gf3 Nf6) 13...Rad8 (13...Rfd8 14.g4 Bg6 15.d3 Nc5) 14.d4 (14.g4 Bg6 15.d3 Nc5) 14...Bf3 15.gf3 Ng5 16.Kg2 Rd6 17.Rh1 (17.Bd3!? Rh6 18.Rh1=+) 17...Rg6-/+ 18.Bd3 Ne4 (18...f5 19.Bf5 Qf6 A) 20.Bg6?? Qf3 21.Kg1 Be1 (21...hg6?! 22.Nc3=+) 22.Bh7 Kh8-+; B) 20.f4 Qf5 21.Qf5 Rf5 22.fg5 Rgg5 23.Kf1-/+) 19.Kf1 Qg5 20.Be4 Qg2 21.Ke2 Qh1 22.Nd2 Qh3 23.Bg6 fg6 24.Qb3 Kh8 25.Bc3 Qd7 26.Rb1 Bc3 27.Qc3 Nd8 28.Qa5 (28.Qc5 Re8 29.Ne4 b6=+) 28...a6=+ 29.Qb4 Re8 30.Ne4 h6 31.Qb3 c6 32.a4 Rf8 33.Nc5 Qh3 34.f4 Qg4 35.Kd2 g5 36.Nd3 gf4 37.Nf4 Rf6 38.Nd3 Nf7 39.Qb7 Nd6 40.Qa8 (40.Qa6? Ne4 41.Kc1 Qe2-+) 40...Kh7 41.Rb8 (41.Qa6? Ne4 42.Kc1 c5-+) 41…Ne4 ½–½. Buczinski,Henryk (2185) – Carroll,Patrick (2110), SA–2010-0-00170, 2010.

9.Bc4 Qe7 10.a3 Ba5 11.0-0 Qc5 (11...Be6 12.Be6 Qe6 13.Qc2 Qd5 14.Nc3 Bc3 15.Bc3 Rad8; 11...Bg4 12.h3 Bh5 13.d4 Qf6 14.g4 Bg6 15.Qe2 Qd6; 11...Rd8 12.Qc2 Bf5 13.d3 Nc5 14.Rd1 Rd7 15.Nc3 Rad8; 11...Bf5 12.Nc3 Bc3 13.Bc3 Nc3 14.dc3 Be4 15.Bd3 Rad8; 11...h6 12.Nc3 Bc3 13.Bc3 Nc3 14.dc3 Bg4 15.Be2 Rad8; 11...Re8 12.d3 Nd6 13.Nbd2 Bd2 14.Nd2 Be6 15.Be6 Qe6) 12.d3 Bg4 13.h3 Bh5 14.Qc2 Bf3 15.gf3 b5.

9.Bc4 Qe7 10.a3 Ba5 11.0-0 Bg4 12.h3 Bh5 13.d4 Rad8 14.Be2 Rfe8 15.Qc1 Ng5 16.Qd1 Bf3 17.Bf3 Ne5 18.Be2 Qe6 19.h4 Ne4 20.Qa4 Nc6 21.Bc4 Qe7 22.d5 Nc5 23.Qc2 Ne5 24.Be5 Qe5 25.Nd2 Qc3 26.Ra2 Qd2 27.Qd2 Bd2 28.Rd2 Re4 29.Rd4 Rd4 30.ed4 Na4 31.Rc1 Nb6 32.Bb3 Rd7 33.a4 Nc8 34.g4 g6 35.f3 Kf8 36.Kf2 Ke7 37.a5 Kd8 38.Bc4 Ne7 39.Rb1 b6 40.Ra1 Nd5 41.ab6 Nb6 42.Bb3 Rd4 43.Bf7 Rd2 44.Ke3 Rd7 45.Bg8 Rg7 46.Bb3 c5 47.Bc2 Rf7 48.Ke2 Rb7 49.Be4 Re7 50.h5 gh5 51.gh5 h6 52.Kd3 ½–½. Nemec,Zdenek (2030) – Oliveira,Diogo Luiz (1980), RB–2010-0-00104, 2011.

9.Bc4 Qe7 10.a3 Ba5 11.Nc3 Nc3 (11...Bc3 12.Bc3 Nc3 13.dc3 Bg4 14.Qb3 Bf3 15.gf3 Rad8; 11...Be6 12.Be6 Bc3 13.Bf7 Qf7 14.Bc3 Rad8 15.Qe2 Qe6) 12.Bc3 Bc3 13.dc3 Bg4 14.Qb3 Bf3 15.gf3 Rad8.

9.Bc4 Qe7 10.Nc3 Bc3 11.Bc3 Nc3 (11...Be6 12.Be6 Qe6 13.Qb3 Rab8 14.0-0 Rfd8 15.Qe6 fe6) 12.dc3 Bg4 13.Qb3 Na5 14.Qb5 Qa3 15.Bb3 Nb3.

9.0-0 dc4 10.Bc4 Na5 11.Be2 Bf3 12.Bf3 Nd2 13.Bb7?? Nb7-+ 14.Qg4 f6 15.Rd1 Rf7 16.Nd2 Bd2 17.Qe6? Kf8 18.Qc6= Rb8 19.Ba3 Kg8 20.Rab1 Na5 21.Rb8 Qb8 22.Qe6 Bc3?? 23.g3+/– h5? 24.Rd7+– Qb1 25.Bc1!! Qg6 26.Qe8 Kh7 27.Qf7 Qf7 28.Rf7 Be5 29.Ba3 Nc4 30.Bc5 Nb6 31.f4 Kg6 32.Re7 Na4 33.fe5 Nc5 34.ef6 (34.ef6 Kf6 35.Rc7+–) 1–0. Wolf – Weigel,G, corr DDR–Cup4 sf01, 1975.

9.cd5 Qd5 10.0-0 Rad8 11.h3 Bh5 12.d3 Ng5 13.Ng5 Be2 14.Qe2 Qg5 15.a3 Ba5 16.Rd1 Rfe8 17.Nd2 Bd2 18.Rd2 Re6 19.Rc1 Rg6 20.Qf3 h6 21.Rcc2 Rd5 22.Rd1 Rc5 23.Rdc1 Rc2 24.Rc2 Qb5 25.Qe2 Qd5 26.f3 Qd7 27.Kh1 Ne7 28.Be5 Nf5 29.d4 Rc6 30.Qd3 Rc2 31.Qc2 c6 32.Qc3 f6 33.Bb8 a6 34.g4 Qd8 35.Qb3 Kh8 36.gf5 Qb8 37.Kg2 Qd6 38.Qb4 Qc7 39.Qc3 Kh7 40.h4 h5 41.Qb4 Qd7 42.e4 Qc7 43.Qc3 Qf4 44.Qe1 Kg8 ½–½. Buczinski,Henryk – Lobanov,Alexander, corr IECG RM–2010–O–00046, 2010.

8.a3 Bc5 9.d4 Bd6 10.Nc3 (10.c5 Be7=) 10...dc4=+ 11.e4 Bg4 12.Bc4 Bf4 13.Ne2 Bf3 14.gf3 Bh6 15.0-0 (15.Qc2 Rb8+=) 15...Nh5 16.d5 Ne7 17.Ng3 Ng3 18.fg3 Ng6 (better 18...c6 19.Qd3 cd5 20.ed5 Rc8+=) 19.Rc1?? (19.f4 Re8 20.Re1 a6+/-) 19...Re8?? (better 19...Bc1 20.Qc1 Qd6-/+) 20.Rc2 Ne5 21.Ba2 Qf6?? (21...Be3 22.Kg2+=) 22.Qe2 (better 22.f4 Qg6 23.Be5 Qe4 24.Re2+- (worse 24.Rc7 Re5 25.fe5 Be3 26.Rf2 Bf2 27.Kf2 Qe5+-)) 22...Qb6 23.Kg2 c6 (23...Qd6 24.Qb5+/-) 24.f4 Nd7 25.e5 cd5 26.Bd5 Nc5?? (26...Re7 27.Qd3+/-) 27.Qc4 (better 27.Bd4 Rac8 28.Rfc1+-) 27...Ne6 28.Be6 (28.f5 Nd8+-) 28...Qe6 (28...Re6!? 29.Qb4 Qa6+=) 29.Qe6+/- fe6 30.Rfc1 (30.Rc7 b5+/-) 30...g6 (30...g5 31.Kf3+=) 31.Rc7+/- Rab8 (31...b5 32.Bd4+/-) 32.Bd4+- b6 (32...a6 33.Ba7 Ra8 34.Rb7+-) 33.Ra7 Bf8 34.a4 Re7 (34...Red8 35.Be3 b5 36.ab5 Rb5 37.Rc3+-) 35.Rcc7 (35.Ra6!? b5 36.ab5 Rb5+-) 35...Rc7 36.Rc7 Bb4 (36...Ra8+-) 37.Rc6 Ba5 (37...b5 38.ab5 Rb5 39.Re6+-) 38.Re6 Kf8 (38...b5 39.Ra6 Bb4 40.ab5 Rb5 41.Kf3+-) 39.Rc6 Ke8 40.Kf3 Kd7 41.Rd6 Kc7 42.Ke4 Bb4 43.Rf6 Be7 (43...Ra8 44.Bb6 Kb7 45.a5 Ba5 46.Ba5 Ra5 47.Rf7 Kc8 48.Rh7+-) 44.Rf7 b5 1-0. b4 (1620) – brontofuzik, Rated Classical game, lichess.org, 2013.

8.a3 Bd6 9.Qb3 Na5-/+.

8.Qb3 dc4 9.Bc4 Na5 10.Qb4 Nc4 11.Bc3 (11.Bd4 b6 12.Qc3 Ne4=+) 11...b6 (11...Ne4 A) 12.Qb7?? A1) 12...Nc3 13.Nc3 (13.dc3? Qd3 14.Nbd2 Qc3-+) 13...c5 14.Rc1+=; A2) 12...Qd3-+; B) 12.0-0 b6 13.Qa4=+) 12.Nd4 (12.Bf6!? Qf6 13.Qc3=+) 12...Bd5-/+ 13.0-0? (better 13.Nf5 c5 14.Qa4-/+) 13...c5-+ 14.Qb5 (14.Qa4 cd4 15.Bd4 Qd6-+) 14...cd4 (14...a6!? 15.Qa4 cd4 16.Bd4-+) 15.Bd4 Nd6 16.Qb2 Nde8 (16...Nd7 17.d3 Nc5 18.Bc5 bc5 19.Qe5-+) 17.Bc3 (17.d3 Qd6-+) 17...Qd6 (better 17...Rc8!?-+) 18.Bb4-/+ Qc7 (18...Qc6!? 19.Rc1 Qe6 20.Bf8 Qg4-/+) 19.Bf8=+ Kf8 20.Nc3 Ng4?? (20...Rd8 21.Rac1 Bc6 22.f3=+) 21.f4?? (better 21.Qb4 Kg8 22.Qg4+-) 21...Bc4 22.Rf3 Nef6 23.Rc1 Qb7?? (better 23...Qd6-/+) 24.Qb4+- (24.Qb4 Kg8 25.Qc4+-) 1-0. AhmedSultanov (1700) - Tojomo37 (1710), lichess.org, 2019.

8.Qb3 Qe7 9.Nc3 (better 9.Ng5!?=+) 9...dc4-+ 10.Qc2 Rfd8 11.a3 Ba5 12.Be2 Rd7 13.0-0 Rad8 14.Rfd1 g6 (14...a6-/+) 15.Ng5 (15.Na4!? b5 16.Nc5 Qc5 17.Bf6=+) 15...Bf5-+ 16.e4? (better 16.Qc1-+) 16...Nd4 17.Qa4 (17.Qc1 Ne4 18.Nge4 Ne2 19.Ne2 Be4 20.Ng3-+) 17...Bc3 18.Bc3 (18.Bc4 Bb2 19.ef5 Ba1 20.Nf7-+) 18...Ne2 19.Kf1 (19.Kh1 Ng4 20.Nh3 Qd6-+) 19...Nc3 (better 19...Ne4 20.Ne4 Qe4 21.f3-+) 20.dc3 Ne4 21.Rd7 (21.Ne4 Qe4 22.Rd7 Bd7-+) 21...Rd7 (better 21...Bd7 22.Qa7 Qg5 23.Qb7-+) 22.Ne4 Be4 23.f3 (23.h3 Qg5 24.Qd7 Qg2 25.Ke1 Qg1 26.Ke2 Bd3 27.Ke3 Qa1 28.Qe8 Kg7 29.Qe5 Kf8 30.Qh8 Ke7 31.Qe5 Kd7-+) 23...Bd3 (better 23...Rd2 24.Qd1 Bd3 25.Kg1 Rd1 26.Rd1 Qa3-+) 24.Kg1 a6 25.Kf2 (25.Kh1-+) 25...Qc5 (better 25...Qe2!? 26.Kg3 Rd5 27.h4 Qe5 28.Kf2-+) 26.Kg3 Re7 27.h4 (27.h3 Qe5 28.Kf2-+) 27...Re2 28.Rf1 Qd6 (28...Qe5 29.f4 Qe3 30.Rf3 Qg1 31.Qe8 Re8 32.Rf2 Re3 33.Rf3 Be4 34.h5 Rf3 35.Kg4 Qg2 36.Kh4 Rf4) 29.f4 Qd5 30.Rf3 Be4 (better 30...Bc2 31.Qc2 Rc2-+) 31.Qe8 Kg7 32.Qe5 Qe5 33.fe5 (33.fe5 Bf3 34.Kf3 Re5 35.a4-+). yasminoah (1965) - downhill (1735), Rated Blitz game, lichess.org, 2014.

8.Qc2 a5 9.a3 Bd6 10.Be2 (10.c5 Be7=+) 10...dc4-/+ 11.Bc4 Bc4 12.Qc4 Re8 13.0-0 Re4 14.Qb3 Ra7 15.Nc3 (15.Ng5 Bh2 16.Kh1 Rh4 17.Qf7 Kh8=) 15...Re8 (15...a4 16.Qb5 Rg4 17.h3+=) 16.Nb5 (16.d3 Ne5=) 16...a4+= 17.Qc4 (17.Bf6 Qf6 18.Qc3 Qc3 19.dc3 Ra5+=) 17...Ra6 (17...Ra8 18.d3=) 18.Rac1 Na5 (18...Nd5 19.Nd6 Qd6 20.Qg4=) 19.Qa4+= Nc6 (19...c6 20.Nd6 Qd6 21.Qb4+/–) 20.Qc2 Be7 21.Qf5 Nd5 22.e4 Ra5 23.Qd5 Qd5 24.ed5 Rb5 25.dc6 Rb2 26.cb7 Rb7 27.Rfe1 Kf8 28.a4 Bf6 29.Re8 Ke8 30.g3 Kd7 31.Rc4 Rb1 32.Kg2+/– Ra1 33.h4 h6 34.g4 g6 35.g5 hg5+– 36.hg5 Be7 37.Rf4 Ke6 38.Re4 Kd6 39.d3 f6 40.gf6 Bf6 41.Rg4 g5 42.Ng5 Bg5 43.Rg5 Ra4 44.Kf3 c5 45.Rg6 Kd5 46.Ke3 Ra1 47.Rg5 Kd6 48.d4 cd4 (48...c4 49.f4+/–) ½–½. Waibel,Ulrich – Prange,Ecki, compuserve casual, 1996.

8.Qc2 a6 9.a3= Ba5 10.Be2 dc4 11.Bc4 Bc4 12.Qc4 Qd5 13.Qh4 Qe4?? 14.Bf6+– Qh4 15.Bh4 b5 16.0-0 Rfe8 17.d4 Ne7 18.Nbd2 Nd5 19.e4 Nc3 20.Rfe1 f6 21.Rac1 g5 22.Bg3 Rac8 23.Nb3 Na2 24.Na5 Nc1 25.Rc1 Re4 26.h3 h5 27.d5 Rd8 28.d6 cd6 29.Nb7 Rd7 30.Nd6 Ra4 31.Rc8 Kh7 32.Rc3 h4 33.Bh2 b4 34.Rb3 ba3+/– 35.Rb1 a2 36.Ra1 Rc7? 37.g3 Rc2 38.Nf5?? Rb2-+ 39.Kg2 Rb1 40.Ra2=+ Ra2 41.gh4 Ra5 42.Ne3 gh4 43.Nh4 Rg5 44.Kf3 a5 45.Nc2 a4 46.Na3?? Rb3 (46...Rb3 47.Ke4 Rb4 48.Ke3 Rh4-+) 0–1. CountFromHolland – hal1958, playchess.de, 2002.

8.Be2 dc4 9.0-0 Ne4 10.d3 (10.Qc2 Qd5-/+) 10...cd3 11.Bd3 Nc5 12.Be2 (12.Bb5 Qd1 13.Rd1 Rfd8-/+) 12...Qd1-+ 13.Rd1 Na4 14.Ba3 (14.Bd4 Rad8-/+) 14...Ba3-+ 15.Na3 Nc3 16.Re1 (16.Rd2 Rfd8 17.Rc2 Ne2 18.Re2 Bg4-+) 16...Nb4 17.Kf1 c6 18.Nd4 Ba2 (18...Nca2?! 19.Ne6 fe6 20.Bc4-/+; 18...Nba2?! 19.Ne6 fe6 20.Bc4-/+) 19.Nac2 (19.Rac1 Ne2 20.Ke2 Bd5-+) 19...a5 20.Nb4 ab4 21.Bf3 (21.Rec1-+) 21...c5 22.Nf5 (22.Ne2 Bc4 23.Rac1 Ra2-+) 22…Bc4 (22...Bc4 23.Kg1 Ra1 24.Ra1 b3-+) 0-1. OrangAttackMan (1925) - dewil (2675), ChessWorld.net, 2019.

8.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.Be2 Be6).

9.Qb3 Ne4 10.cd5 (10.Qb7 Qd6 11.Qb3 dc4-/+) 10...Bd5 11.Bc4 (11.Qc2!?=+) 11...Nc5-/+ 12.Bd5?? (better 12.Qb5 Bc4 13.Qc4 Nd3 14.Ke2 Nb2 15.Qb5-/+) 12...Nb3-+ 13.Bb3 Qd3 14.Nc3 Rad8 15.Rd1 Rfe8 (15...a6 16.Rc1 Ne5 17.Rc2-+) 16.Ba4 a6 17.Bc6 bc6 18.Ne2 (18.Rc1 c5-+) 18...c5 (18...Rb8 19.Bc3 Bc3 20.Nc3-+) 19.h4 (19.Nf4 Qb3 20.Ba1 c4-+) 19...Qb5 (19...Rb8 20.Bc3 Bc3 21.Nc3-+) 20.Ba1 (20.Bc3 Qa4-+) 20...Rd6 (20...Qb3 21.Rh3-+) 21.Rh3 (21.h5 Qb3-+) 21...Red8 (21...Qa4 22.Rg3 f6 23.Bc3-+) 22.Nc3 Qd3 23.Rg3 (23.Ne5 Qc2 24.Nc4 Bc3 25.Bc3 Rd3-+) 23...f6 24.Rg4 Bc3 25.Bc3 Rb8 26.Ba5 Rb1 (26...Qa3?! 27.Bc7 Rbd8 28.Bd8 Rd8 29.Rc4-/+) 27.a4 Rd8 28.Ng5 0–1. Mikenas,Alius (2160) – Priednieks,Eriks (2120), World Senior Teams, 2014.

9.Qc2 dc4 10.Bc4 Nh5 (10...Bc4 11.Qc4 Qd6 12.0-0=) 11.0-0 a6 12.d4 b5?? (better 12...Bc4 13.Qc4 Nf6+=) 13.Bd3 (better 13.Be6 fe6 14.Qc6+-) 13...Ne7 14.Bh7 Kh8 15.Bd3 Bd5 16.e4 (16.Nbd2 Rb8+-) 16...Bb7 17.Rd1 (17.d5 f5 18.Ng5 Nf4+/-) 17...f5 18.d5 (18.Ne5 Nf4+/-) 18...fe4 (18...Nf4 A) worse 19.ef5 Qd5 20.Nc3 Bc3 21.Bc3 A1) 21...Nd3 22.Rd3 (22.Qd3?! Qd3 23.Rd3 Bf3=) 22...Qf5 23.Re1+-; A2) 21...Nf5=; B) 19.Bc3 Bc3 B1) 20.Qc3?? fe4 (20...Nd3?! 21.Rd3 fe4 22.Ng5+=) 21.Bf1 ef3 22.Qf3 Ned5-+; B2) 20.Nc3 fe4 21.Be4+/-) 19.Be4+/- Nf4 20.Nc3 Bc3 21.Qc3?? (21.Bc3 Ned5 22.Be5+-) 21...Rg8 (better 21...Ne2 22.Kh1 Nc3 23.Bc3 Nd5-+) 22.Ne5 (better 22.Qe5 Neg6 23.Bg6 Qd6+-) 22...Ne2 (22...Qe8 23.Rd3! Bc8+-) 23.Kf1 (23.Kf1 Ng3 24.Qg3 Nf5 25.Qh3 Qh4 26.Qh4 Nh4 27.Nf7; 23.Kh1 Ng3 24.Qg3 Nf5 25.Qh3 Qh4 26.Qh4 Nh4 27.Nf7) 1-0. Nf3 (1920) - ShaltaiBaltai (1775), Rated Classical game, lichess.org, 2013.

9.Qc2 Re8 10.Ng5= d4 11.Bd3 (worse 11.Ne6 Re6 (11...fe6?! 12.Bd3=) 12.Ke2 Ne4-+) 11...Bg4 (11...g6 12.Ne6 fe6 13.0-0+=) 12.0-0 (12.Bh7 Kf8 13.0-0 Nh7 14.Nh7 Kg8 15.ed4 Be2-/+) 12...h6= 13.Ne4 Rb8 14.Nf6 Qf6 15.f3 Bh5 16.Bh7 Kh8 17.Be4 Bg6 18.d3 Qe5 19.Kh1 Be4 (19...Bb6 20.Nd2 Qe7 21.Nb3 de3 22.c5+–) 20.fe4 f6 21.Nd2 Bd2 22.Qd2 de3 23.Qe2 Qc5 24.Bc1 (24.Rae1 Red8=) 24...Qd6 25.Be3 Rbd8 26.Rfd1 Qe6 27.Bf2 (27.Rab1 b6=) 27...f5=+ 28.Bh4 Rd7 29.Re1 fe4 30.Qe4 Qe4 31.Re4 Re4 32.de4 Ne5 33.c5 Nd3 34.c6 bc6 35.Kg1 c5 36.Bg3 (36.Bf2 Kh7-/+) 36...c4 37.Ra2 Kg8 (37...c3 38.Rc2 Nc5 39.Be1 Ne4 40.Kf1-+) 38.Rc2 (38.Re2 c5-/+) 38...Rd4 39.Bc7 (39.Re2!?-/+) 39...Re4-+ 40.Ba5 Kf7 41.Bc3 g5 42.Kf1 Ke6 43.Re2 Kf5 44.g3 g4 45.Bg7 h5 0–1. Sodomski,Andrzej (1930) – Kobryn,Tomasz, 55. Championship Poland Quarterfinal, 2008.

9.Qc2 h6 10.Be2 dc4 11.Bc4 Bc4 12.Qc4 Qd5 13.Qc2 Ne4 14.0-0 Rad8 15.d4 Ne7 16.Nc3 Nc3 (16...Bc3 17.Bc3 Rfe8 18.Rab1=) 17.Bc3+= Rd6 (17...Bc3 18.Qc3 Rc8 19.Rac1+=) 18.Ba5 Qa5 19.Ne5 b5 (19...Re6 20.Rab1 c5 21.Nd7+–) 20.Rfc1 f6 21.Qc7 (21.Nd3!? Rc6 22.Qb3 Rf7 23.Nc5+–) 21...Qc7+= 22.Rc7 fe5 23.Re7 ed4 24.ed4 a6 (24...Rd4 25.Ra7 Rd2 26.Rf1+=) 25.Re4 Rc8 26.g3 (26.Kf1 Rc3+–) 26...Rc4 The isolani on d4 becomes a target (26...Rc3 27.a4+=) 27.Rd1+– Rc3 28.Re3 Rc4 29.Red3 Rd5 30.f4 Kf7 31.Kg2 Ke7 32.Kf3 a5 33.Ke4 Rd7 34.Rb1 Rb7 (34...b4 35.ab4 ab4 36.Ke5+–) 35.Kd5 (35.Rdb3 Rd7 36.Rb5 Rcd4 37.Kf5 a4+–) 35...Kf6 36.g4 (36.Rb5 Rd4 37.Kd4 Rb5+–) 36...Rd7 37.Ke4 Re7 38.Kd5 (better 38.Kf3!? b4 39.ab4 ab4 40.h4+–) 38...Rd7= 39.Ke4 Re7 40.Kf3 Rb7 41.h4 Ke6 42.Ke4 Kd6 43.f5 Rc2 (43...b4 44.ab4 Re7 45.Kf3 ab4 46.Rdb3+–) 44.Rdb3 Re7 45.Kf4 (45.Kf3 Rd2 46.Rb5 Rd3 47.Kf4 Rd4 48.Kf3 Rd3 49.Kf2 Ra3=) 45...Rc4 (better 45...Rd2!?=) 46.Rd3+– b4 47.ab4 ab4 48.g5 (48.Ra1 Rb7+–) 48...hg5 (48...Kd5 49.f6 hg5 50.hg5 gf6 51.gf6+–) 49.hg5 Kd5 50.f6 gf6 ½–½. Kreuzer,U – Gassner, Verbandsliga, 1983.

9.cd5 Bd5 10.Nc3 Bf3 (10...Bc3 11.dc3 Qe7 12.c4=+) 11.gf3 (11.Qf3 Ne5 12.Qf5 Re8=) 11...Qd6=+ 12.Be2 Rad8 13.Qc2 Rfe8 14.Rd1 Qe6 15.Rg1 Ne5 16.f4 Ned7 17.Rg5 Bc3 18.Qc3 Qd6 (18...c6 19.Bg4 Qd6 20.Bd7+–) 19.Qd4= Qd4 20.Bd4 (worse 20.ed4 Re7-+) 20...b6 21.Bf6 (21.Bb5 h6 22.Rg1 Re6+=) 21...Nf6= 22.d4 c5 23.dc5 Rd1 24.Bd1 (24.Kd1 Ne4 25.c6 Ng5 26.fg5 Rd8 27.Ke1 Rd5=) 24...Ne4 25.Rd5 (25.c6 Ng5 26.fg5 Re5+=) 25...Nc5 (worse 25...bc5 26.Bf3 Kf8 27.Be4 Re4 28.Rc5+–) 26.Bc2 g6 ½–½. Jung,Michael – Wunderlich,Chris, DESC, 2000.

9.cd5 Bd5 10.Be2 Qd6 11.0-0 Ng4 12.g3 Rad8 13.Qa4 Nf6 14.d3 Qe6 15.Nbd2 Bd2 16.Nd2 Qh3 17.e4 Be6 18.Bf6 gf6 19.Rab1 Nd4 20.Bd1 Bc8 21.Qa7 Qd7 22.Nc4 Nc6 23.Qe3 Qd3 24.Qd3 Rd3 25.Be2 Rdd8 26.Rfc1 Rfe8 27.Ne3 Re4 28.Bf3 Ra4 29.Bc6 bc6 30.Rc6 Ra3 31.h4 Be6 32.Rc7 Ra2 33.Rc5 Kg7 34.Rbc1 Kg6 35.R1c2 Ra1 36.Kg2 h5 37.Rb5 Rd3 38.Rb8 Kh6 39.Rb6 Kg6 40.Rb5 Rd6 41.Rbb2 ½-½. forsetinn (2190) - drhpatron (2335), gameknot.com, 2014.

9.cd5 Nd5 10.Be2 Nce7 (10...Qd6 11.0-0+=) 11.0-0= Ng6 12.Nd4 Qg5 13.Ne6 fe6 14.Qa4 Bb6 (14...Nb6 15.Qe4 Qd5 16.Qg4=) 15.Qe4 Rae8 16.Nc3 c6 17.g3 Nf6 18.Qc2 e5 (18...Rd8 19.a4+/–) 19.a4+/– Rd8 (19...e4 20.f4 ef3 21.Rf3+/–) 20.a5 Bc7 (20...Bc5!?+/–) 21.Qb3+– Kh8 22.Qb7 Rb8 (better is 22...Rf7 23.Qc6 e4+–) 23.Qc7 (23.Qc6?! Rb2 24.Qc7 Rd2 25.Qa7 e4+–) 23...Rb2 24.Qa7 Rd2 (24...Nd5 25.Qc5+–) 25.a6 Rd7 (25...e4 26.Qb7 Qe5 27.a7+–) 26.Qc5 Rc8 (26...Nd5+–) 27.a7 Rdd8 (27...Ra8 28.Rfb1 Rdd8 29.Qc6+–) 28.Rfd1 Nd5 29.Ba6 (29.Ba6 Ra8 30.Bb7 Ra7 31.Ra7+– (31.Nd5?! Rb7 32.Qc6 Rbd7+/–)) 1–0. forsetinn (2050) – zd3nik (1935), gameknot.com, 2013.

9.Qc2 a6 10.d4 Na5 11.c5 Ne4 12.Nc3 f5 13.Ne2 Bf6 14.Nf4 Qe7 15.Be2 b6 16.0-0 Bf7 17.c6 b5 18.Ne5 Rfd8 19.Rfe1 Nc4 20.Bc4 bc4 21.Rab1 g5 22.Ne2 Bg6 23.f3 Nd6 24.a4 (24.Nc3 Nb5 25.Ng6 hg6 26.Nb5 ab5=) 24...Rab8 (24...Qe6 25.f4=) 25.Qd2 (25.Nc3 Qe6 26.Ng6 hg6=) 25...f4 (better is 25...Be8!?=) 26.Ng6+/– hg6 27.ef4 Nf5 28.Kh1 Qb4+= 29.Nc3 Bg7 30.Ba1 Qd6 31.fg5 Nd4 32.Nb5 ab5 33.Bd4 ba4 34.Rb8 Rb8 35.Bg7 Kg7 36.Qd4 Kg8 37.Qa7+= Qb4 38.Qe3 Qf8 39.Qd4 Rd8 40.Qa7 Re8 41.Rf1 Qe7 42.Qa5 Qe6 43.Qa4= d4 44.h4 d3 45.Qb4 Qc6 46.h5 gh5-+ 47.Qc3 Qd5 48.Rd1 c5 49.Qf6 Re6 50.Qf4 Qd4 51.Qb8 Kg7 52.f4 d2 (52...d2 53.Qc7 Kg6 54.f5 Kf5 55.Qf7 Ke5 56.Qc7 Rd6 57.Qe7 Kf5-+) 0–1. Wantoch_Rekowski,Jacek (2305) – Sadowski,Marek (2150), Roman Kaminski Memorial Poland, 2006.

9.Qc2 Re8 10.d4 Qd7 11.Nbd2 Bf8 12.Bd3= Rad8 13.0-0 Ne7 14.Ne5 Qc8 15.Ndf3 Nc6 16.Ng5+/– g6 17.cd5 Ne5?? 18.de6+– (18.de6 Rd5 19.de5 fe6 20.Bg6+–; 18.Ne6?! Nd3 (< 18...fe6 19.de5 Nd5 20.Rad1+=) 19.Nd8 Nb2 20.Nf7 A) 20...Nd5? 21.Ne5+– (21.Qb2?! Kf7 22.Rfe1 Re4=); B) 20...Kf7=) 1–0. Nonnenmacher,Thomas (1950) – FR (1660), BdF T, 2004.

9.cd5 Bd5 10.Nc3 a6 11.Nd5 Nd5 12.Be2 b5 13.0-0 Bf6 14.d4 Nce7 (14...Re8 15.Bd3 g6 16.Qc2+=) 15.Qc2 (15.e4 Nf4 16.e5 Ned5 17.ef6 Qf6+–) 15...c6 (Better is 15...Re8!?+=) 16.e4+– Nf4 17.e5 Ne2 18.Qe2 Nd5 19.ef6 Qf6 20.Ne5 Rfe8 21.Rac1 Rac8 22.Rfe1 Qd8 23.Qf3 Qe7 24.Nd3 Qd6 25.Re8 Re8 26.Ne5 f6 27.Nd3 a5 28.Qd1 Nb6 29.Qb3 Kh8 30.Re1 Re1 31.Ne1 Nd5 32.Nd3 a4 33.Qd1 h6 34.Qe1 Nc7 35.Nc5 Kg8 36.Qe4 Kf7 37.Nb7 Qd7 38.Na5 Nd5 39.Qc2 Ne7 40.h3 Qd5 41.Nb7 Ke8 42.Nc5 1–0. Grund,Karl – Drefke, corr SOK–87–14, 1987.

9.a4 Re8 10.cd5 Nd5 11.Bc4 Nf4 12.0-0 Bc4 13.Qc4 Nd3 14.Bc3 Ra6 15.Na3 Nce5 16.Ne5 Ne5 17.Be5 Re5 18.d4 Rc6 19.Qe2 Qd4!-/+ 20.Rfd1 Qe4 21.Rd8 Re8 22.Re8 Qe8 23.Nb5 Rc5 24.h3 Qc6 25.Rd1 Rc1 26.Qd3 Rd1 27.Qd1 Bd6 28.Nd4 Qd5 29.Qg4 h5 30.Qc8 Kh7 31.Qf5 Qf5 32.Nf5 g6 33.Nd6=+ cd6 34.Kf1 Kg7 35.Ke2 Kf6 36.Kd3 Ke6 37.Kc4 b6?? 38.Kb5+– Kd5 39.Kb6 Kc4 40.Ka5 Kc5 41.g4 hg4 42.hg4 g5 43.e4 f6 44.Ka6 Kb4 45.Kb6 Ka4 46.Kc6 Kb4 47.Kd6 Kc4 48.Ke6 Kd4 49.e5! (49.e5 fe5 50.Kf5+–) 1–0. Kraft – Zylla,Johannes, 1975.

9.Qc2 Bd6 10.c5 Be7 11.Qc3 Bd7 12.Be2= Re8 13.0-0 d4 14.Nd4 Ne4 15.Qc2 Nc5 16.Nf5 Bf6=+ 17.d4 Ne4 18.Ng3 Nb4 19.Qc1 Ng3 20.hg3 Be6 21.Nc3 Rc8 22.Ne4 Bd5 23.Nc3 Bc6 24.Qb1 Qd7 25.a3= Nd5 26.Bd3 Nc3 27.Bc3 Qd5 28.Bh7 Kh8 29.e4 Qc4 30.Rc1 g6 31.e5 Qd5 32.f3 Bg5 33.Bg6 fg6 34.Re1 Kg7 35.Qa2 a4 36.Qd5 Bd5 37.Bb4 Kf7 38.f4-/+ Bd8 39.g4 Be6 40.g5 Bd5 41.Kf2-/+ Ke6 42.Rab1 b6 43.Rbc1 c6 44.Rh1 Kf5 45.Rh4 c5-+ 46.dc5 bc5 47.Bc3 c4 48.Kg3 Be7 49.Ra1 Rb8 50.Kf2 Bc5 51.Ke2 Rb3 52.Bb4 Rb2 53.Kd1 Be3 54.g3 Bf3 55.Ke1 Re2 56.Kf1 Rg2 57.Rh1 Rh8! 58.g4 Kf4 59.Rh8 Rg1# 0–1. Fritz 8 – Fritz 8, 2004.

9.a3 Nc5 10.Qc2 Ba5 11.cd5 Qd5 12.Nc3 Qf5 13.Qf5 Bf5 14.Bb5 Rad8 15.d4 Nd3 16.Bd3= Bd3 17.0-0-0 Ba6 18.Kc2 h6 19.Rhe1 Rfe8 20.e4 Ne7 21.d5 Ng6 22.Nd4 Ne5 23.Nf5 Kh7 24.f4 Nc4 25.e5 h5 26.Ne3 Kg8 27.Bc1 Re7 28.Kb3 b5 29.Kc2 Nb6 30.Bd2 Ree8 31.Ne4+/– Bd2 32.Rd2 Bb7 33.Red1 h4 34.Nc5 Ba8 35.g3 h3 36.Rd3 a5 37.R1d2 Kh8 38.e6 Kg8 39.f5 a4 40.Kc3 Re7 41.Kb4 Rb8 42.Rd4 Ree8 43.Na6 Rb7 44.Rh4 Ra7 45.Nc5 Rc8 46.Rh3 Re8 47.Rd4 g5 48.Ne4 Rc8 49.Ng5 Nd5 50.Rd5 Bd5 51.Nd5 c5 52.Kb5 fe6 53.Ne6 Rf7 54.g4 (54.g4 c4 55.Ka4+–) 1–0. Pierred (2205) – Karter (2440), Rated game, 3m + 0s, 2005.

9.a3 Be7 10.Be2? dc4-+ 11.Bc4? Na5 12.Qc2 Nc4 13.Bg7 Kg7 14.Qe4 Qd5 15.Qc2 Rad8 16.0-0 Bf6 17.d4 Kh8 18.Nc3 Qh5 19.Ne2 Rg8 20.Ng3 Qg6 21.Qa4 a6 22.Rfc1 h5 23.h4 Ne3! 24.Rc7 Nf5 25.Rb7 (25.Rb7 Ng3 26.Ng5-+; 25.Ne5 Be5 26.de5 Ng3 27.fg3 Qg3 28.Rc2 Qe3 29.Kf1-+). CountFromHolland – hotty_toaster, playchess.de, 2002.

9.a3 Bd6 10.Bc4 Bc4 11.Qc4=+.

9.Ng5= c3 10.dc3 Be7 11.Bd3 =.

9.Ng5= Re8 10.Ne6 Re6 11.Bc4 Re7 (better is 11...Nd5!?=) 12.a3 Ba5 13.Bf6 gf6 14.0-0 Ne5 15.Be2 c6 16.d4 Ng6 17.Qf5 Rd7 (17...Bc7 18.Nd2+/–) 18.Bf3 Rd6 (18...Kg7 19.Be4+/–) 19.Rc1 Kh8 20.Qh5 Qc7 (20...Kg7 21.Be4+/–) 21.a4 (21.Nc3 Bc3 22.Rc3 Qe7+/–) 21...Bb4 (21...Re8 22.Nc3 Bc3 23.Rc3+/–) 22.a5+– Qe7 23.a6 b6 24.Nc3 (24.Rc6 Rd4 25.Rb6 Rc8+/–) 24...Rad8 (24...Re8 25.Rab1 Bc3 26.Rc3+/–) 25.Na2 Ba3 26.Rc6 Rc6 27.Bc6 Qe6 28.Qb5 Ne7 29.Bb7 f5 (29...Nd5 30.Qb3 Be7 31.Nc3 Nc3 32.Qc3+–) 30.Nc3 Bd6 31.Rd1 Bb8 (31...Kg7 32.Bf3+–) 32.Qd3 Rg8 (32...Qg6 33.g3+–) 33.d5 Qd6 34.Qd4 (34.g3 Re8+–) 34...f6 35.g3 Ng6 (35...Kg7 36.Nb5 Qd7 37.Qb4+–) 36.Nb5 Qd8 37.f4 (37.d6 Ne5+–) 37...Kg7 (37...Re8 38.d6+–) 38.d6 (38.Qd3 Qd7+–) 38...Qd7 39.Qd5 Rd8 40.Nd4 (40...Kh8 41.Nc6+–) 1–0. Mehlhorn,U – Walz,H, BFH–074, 2001.

9.Ng5 g6 10.Ne6 fe6 11.Bc4 Nd5 12.0-0 Bd6 (better 12...Qh4!?=) 13.Qe4+/- Qe7 14.Bd5 (14.Nc3 Qf6+/-) 14...ed5 15.Qd5 Qf7 16.Qf7 Rf7 17.Ba3 Ba3 18.Na3 Ne5 (18...Nb4 19.d4+/-) 19.d4+- Ng4 20.h3 Nf6 21.Rfc1 Raf8 22.f3 Ne8 23.Rc3 Nd6 24.Rac1 c6 25.Nc4 Nc4 26.Rc4 Re8 27.Kf2 Rfe7 28.R1c3 g5 29.Rb4 Kg7 30.Rcb3 b6 31.Rc4 c5 (31...Rc8 32.Rbc3 Rec7 33.e4+-) 32.dc5 Rd7 (32...bc5 33.Rc5 h6 34.e4+-) 33.Rbc3 (better 33.cb6 ab6 34.Rb6 Rd2 35.Kg3 Ra2 36.Rc7 Kg8 37.e4+-) 33...Rd2 34.Kg3 bc5 (34...Ra2 35.c6 Rc8 36.Rd4+-) 35.Rc5 Ra2 36.Rc7 (36.Rg5 Kf6 37.Kf4 Re7+-) 36...Kg8 37.Rb7 h5 38.h4 (better 38.Rc5!? h4 39.Kh2 g4 40.hg4 a5+-) 38...gh4 39.Kh3 Ra6 (39...a5 40.Rc5+- (40.Kh4?! Rg2 41.Ra7 Rh2 42.Kg3 Rh1+/-)) 40.Rcc7 Rg6 41.Ra7 Rg3 42.Kh4 (42.Kh2 Rd8+-) 42...Rg2 43.Kh5 Rg3 44.f4 Rge3 45.Kg6 (45.f5 Rh3 46.Kg4 Rh1+-) 45...R3e6 (45...Rg3 46.Kh6 Rh3 47.Kg5 Rg3 48.Kh4 Rg1+-) 46.Kg5 Re1 (46...Rb8 47.Rg7 Kf8 48.Raf7 Ke8 49.f5+-) 47.Rg7 Kh8 48.Rh7 (48.Kf6 Rf8 49.Raf7 Rf7 50.Kf7 Ra1+-) 48...Kg8 49.Kf6 (49.Rag7 Kf8+-) 49...R1e6 (better 49...Rf8 50.Raf7 Rf7 51.Rf7 Rf1 52.Rg7 Kf8+-) 50.Kg5 Re1 51.Kf6 R8e6?? (51...R1e6 52.Kf5+-) 52.Kg5?? (52.Kf5 Rd6+-) 52...Rg1?? (52...Re8 53.Rag7 Kf8 54.Rf7 Kg8 55.Rhg7 Kh8+-) 53.Kf5+- Re8 54.Raf7 (54.Rhf7 Rc8+-) 54...Rg2 (54...Rb8 55.Kf6 Rb6 56.Ke5 Rb5 57.Kd6+/-) 55.Rd7 (55.Kf6 Rd8+-) 55...Rg1? (55...Rf8!? 56.Ke4 Rg4+/-) 56.Kf6 (56.Rhf7 Rf8 57.Rf8 Kf8+-) 56...Rg2 (56...Rf8 57.Rhf7 Rf7 58.Rf7+-) 57.Rdg7 Rg7 58.Rg7 Kf8 59.f5 Ra8 60.Kg6 Ra6 61.f6 Rf6?? (better 61...Ra1 62.Rf7 Kg8+-) 62.Kf6 Ke8 63.Rh7 Kd8 64.Ke6 Kc8 65.Kd6 Kb8 66.Kc6 Ka8 67.Kb6 Kb8 68.Rh8 1-0. FERNANDO_2013 (1910) - Golodion (1980), Rated Blitz game, lichess.org, 2018.

9.a3 Bd6 10.d4 Qf6 11.Bd3 (11.c5 Be7 12.Bd3 Qg6 13.0-0 Bf5=) 11...Qg6 12.0-0 Bg4 13.Nh4+- (13.Nbd2 f5=) 13...Qh5+=.

9.Nc3 Nc3 10.dc3 Bd6 11.Bd3 h6 12.cd5 Bd5 13.e4=.

9.Bd3 f5 10.0-0 Re8 (10...Rf7 11.cd5 Bd5 12.a3= Ba5 13.Bc4=; 10...Bd6 11.cd5 Nb4 12.Qb3 Bd5 13.Bc4=) 11.a3 (11.cd5 Qd5 12.Nc3 Nc3 13.dc3=) 11...Bd6 (11...Be7 12.Be2= dc4 13.Bc4=) 12.Nc3 (12.cd5 Bd5 13.Bc4 Bc4 14.Qc4 Kf8+=) 12...Nc3 (12...dc4 13.Be4 fe4 14.Ne4=) 13.Qc3= Bf8 (13...Qe7 14.Rfc1 dc4 15.Bc4 Bc4 16.Qc4 Qf7 17.Qf7 Kf7 18.d3=) 14.Rac1 a5 15.h4 (15.Qc2 dc4 16.Bc4 Bc4 17.Qc4 Kh8+–) 15...Qd7 (15...h6 16.c5+=) 16.Ng5 Rad8? (better 16...dc4 17.Bc4 Bd5+=) 17.Ne6+– Qe6 18.cd5 Rd5 19.Bc4 (19.Bc4 Rb8 20.d3+–) 1–0. Frenzel,Lothar – Woschkat,Karl_Heinz, corr SOK–87–16, 1987.

9.Bd3 f5 10.a3 Bd6 11.cd5 Bd5 12.Bc4 Bc4 13.Qc4=.

9.Bd3 f5 10.a3 Be7 11.0-0 Nc5 12.Be2 f4 13.d4=.

9.Bd3 f5 10.a3 Rf7=+.

9.Bd3 f5 10.cd5 Bd5 11.Nc3 Bc3 12.Bc3 (12.dc3 Ng5=) 12...Nc3 13.Qc3 Bf3 14.gf3 Qf6 (14...Rf6 15.Rb1 Rb8 16.Rb5=) 15.Qc1 (15.Rb1!? Qc3 16.dc3=) 15...Ne5 16.Rg1?? (better 16.Be2 c5 17.f4=+) 16...Nf3 (better 16...Nd3 17.Kd1 Nc1 18.Rc1 Rad8-+) 17.Kf1 Ng1 18.Kg1 c6 19.Rb1 Rf7?? (better 19...b5-+) 20.Bc4-/+ Raf8?? (better 20...Kh8 21.Bf7 Qf7-/+) 21.Rb7+/- Qg5 (21...f4!? 22.Ra7 Qg6 23.Kf1 Qe4+-) 22.Kf1+- Kh8?? (better 22...Qh5 23.Bf7 Rf7+-) 23.Rf7 (23.Rf7 Rf7 24.Bf7+-) 1-0. AhmedSultanov (1865) - tomatinho68 (1790), lichess.org, 2020.

9.a3 dc4 10.Bc4 Bc4 11.Qc4=+.

9.a3 dc4 10.Ng5 Qd7 (10...Qd5 11.Ne6 fe6 12.Qc4= (12.Bc4? Qg2 13.Rf1 Ne4-+)) 11.Ne6= Qe6 12.Bc4 Qd6 13.Be2 Rad8 14.0-0 a6 (14...Ne5 15.Be5 Qe5 16.d4=) 15.d4 Rfe8 16.Bf3 Qe6 17.Rd1 Nd5 (17...Bf8 18.Nd2+=) 18.Nc3+/– Nf6?? (better is 18...Nc3 19.Bc3 Qh6+=) 19.d5+– Nd4 (19...Nd5 20.Bd5 Qg6 21.Qg6 hg6 22.Bc6 bc6 23.Rab1+–) 20.Rd4 (20.de6?! Nc2 21.Ra2 b5+=; 20.ed4?! Qd7+–) 20...Qb6 21.Rc4 Bd6 (21...Qa5 22.Qf5+–) 22.Na4 Qa7 23.Bf6 gf6 24.Rg4 Kh8 (24...Kf8 25.Qh7 Ke7+–) 25.Qf5 1–0. pierred – workchess (2215), net–chess.com, 2016.

9.a3 Qd7 10.cd5 Qd5 11.Nc3 Qh5 (11...Qd6 12.d4=+) 12.Be2 (12.Bb5 Rfb8=) 12...a6 (12...Qg6 13.Qg6 fg6 14.Bb5=) 13.d4= Bf5 (13...Qg6 14.Qg6 fg6 15.Ne5 Ne5 16.de5=) 14.e4 Bg6 (14...Bg4 15.d5 Bf3 16.Bf3=) 15.Bd3 (15.Bd3 Ng4 16.Nd5=; 15.d5 Ne5+=). Van Rooijen,Peter (1705) – Kienast,Marcel (1700), PCM–02–G12 TSC, 2003.

9.a3 Qd7 10.cd5 Qd5 11.d3 Rfd8 (11...Rfe8 12.Be2=+) 12.Nbd2 Qf5 13.Rb1 Rab8 14.Be2 Qg6 15.0-0 a6 16.Rfc1 Re8 (16...Ba2 17.Ra1 Bd5 18.e4=) 17.Nb3 Nd7 18.Nfd4 Nd4 (18...Bd5 19.Bf3 Nd4 20.Nd4 Bf3 21.Nf3=) 19.Nd4 Bh3 20.Bf3 Nc5 21.Rd1 Bd7 22.Qc4 (22.Rd2 Bd6=) 22...Bd6 23.Rd2 (23.Ba1 b5 24.Qc2 Qh6=) 23...b5 24.Qc2 Na4 25.Ba1 (25.Nc6 Rb6 26.Nb4 Nb2 27.Rb2 a5=+) 25...Qh6 (25...c5 26.Ne2=+) 26.g3 (26.h3 c5 27.Nc6 Rb6=+) 26...c5 27.Ne2 (27.Nb3 Bf5 28.Na5 Bc7=+) 27...Bc8 28.Be4 (28.Nc3 Nc3 29.Qc3 Bb7 30.Bb7 Rb7=+) 28...Bb7 29.Bb7 (29.Rbd1 Nb6 30.Bb7 Rb7=+) 29...Rb7 30.Rc1 (30.Nc3 Nc3 31.Bc3 Rbe7=+) 30...Nb6 31.Rcd1 Rbe7 (31...Nd7 32.Rb1=+) 32.Bb2 Re6 33.Nc3 c4 (33...Qh5 34.a4 b4 35.Ne4=+) 34.Ne4 Bf8 35.Nc3 Qh3 36.e4 (36.Re1 Rh6 37.f3 Qh5-/+) 36...cd3-/+ 37.Rd3 Nc4 38.Qe2 Rh6 (38...f5 39.f3-/+) 39.f4 Qh2! (worse 39...Na3 40.Ba3 Ba3 41.Nb5 Bc5 42.Nd4=+) 40.Qh2 Rh2 41.Kh2 Nb2 42.e5 Rc8 43.R1d2 Nd3 44.Rd3 Ba3 45.Nb5 Bb4 (45...ab5 46.Ra3 b4 47.Rb3-/+) 46.Nd6 Rc2 47.Kh3 Rd2 48.Rd2 Bd2 49.Nc4 (49.f5 a5 50.Nc4 Bc3-+) 49...Be1 (49...Bc3 50.Kg4-/+) 50.Kg2 a5 51.Nb6 h5 52.Kh3 Kf8 53.Na4 (53.Kg2 Ke7-/+) 53...Ke7-+ 54.Kh4 g6 55.Kh3 (55.Nb2 Ke6-+) 55...Kd7 (55...f6 56.ef6 Kf6 57.g4-+) 56.Nb2 (56.Kg2 Kc6 57.Kf3 Kb5-+) 56...Kc6 57.Kg2 (57.Kh4 Kd5-+) 57...Kb5 58.Nd3 Bd2 59.Nf2 a4 60.e6 (60.Ne4 a3 61.f5-+) 60...fe6 61.Ne4 Ba5 62.f5 (62.Ng5 a3 63.Ne6 Bb6-+) 62...ef5 63.Nd6 Kc5 64.Nb7 Kb4 (64...Kb4 65.Na5 Ka5-+) 0–1. Pierred (2205) – Cattoo (2535), Rated game, 3m + 0s, 2005.

9.a3 Qd7 10.cd5 Bd5 11.Nc3=+.

9.a3 Qd7 10.Bf6 Bf6 (worse 10...gf6 11.d4+=) 11.d4 dc4 12.Bc4 Bf5=.

9.Bf6 Bf6 (9...gf6?! 10.c5+=) 10.d4 Nb4=+.

9.Ng5= d4 10.Bd3 h6 11.Ne6 Re6 12.0-0 Bd6 13.h3?? Nb4 14.Qb3 Nd3 15.Qd3 de3 16.Qc2?? ef2 17.Kh1 Re1 18.Qd3 Nh5 (18...Nh5 19.Nc3 Ng3 20.Qg3 Bg3-+) 0–1. Trkn – Kiry, itsyourturn.com, 2000.

9.Ng5 d4 10.Ne6 Re6 11.Be2 Qd6 12.0-0 Rd8 13.Bf3 d3 14.Qa4 Ne4 15.Be4 Re4 16.f4 Rc4 17.a3 Rc2 18.Be5 Ne5 19.fe5 Qe5 20.ab4 a6 21.Ra2 Qb5 22.Qb3 Qc4 23.Qc4 Rc4 24.Rb2 Rc2 25.Rb3 f6 26.Rd1 Rd6 27.Na3 Ra2 28.Nc4 Rc6 29.Nb2 Rc2 30.Nd3 Rd2 31.Rd2 Rd2 32.Nc5 b6 33.Na6 Rc2 34.b5 c5 35.bc6 Rc6 36.Nb4 Rd6 37.Rd3 Re6 38.Nd5 b5 39.Rb3 Re5 40.Nc7 Re7 41.Nb5 Rb7 42.Nd4 Rb3 43.Nb3 Kf7 44.Nd4 g6 45.e4 g5 46.g4 Kg6 47.Kg2 h5 48.h3 hg4 49.hg4 Kf7 50.Kf2 Ke7 51.Ke3 Kd6 52.Nf3 Ke6 53.Kd4 Ke7 54.Kd5 Kf7 55.Kd6 Kg6 56.Ke7 Kg7 57.Nd4 Kg6 58.Nf5 Kh7 59.Kf6 Kg8 60.e5 Kf8 61.e6 Ke8 62.e7 Kd7 63.Kf7 1–0. purplegadge (1740) – claudia_nl (1680), gameknot.com, 2014.

9.a3 Be7 10.c5 Qd7 11.d3 b6 12.cb6 cb6 13.Be2 Rac8 14.Qd1 a6 15.0-0 b5 16.Nbd2 Rfe8 17.Rc1 Rc7 18.Nb3 Bf5 19.Qd2 Bg4 20.Qd1 Rec8 21.Re1 Qe8 22.h3 Be6 23.Ne5 Ne5 24.Rc7 Rc7 25.Be5 Rc8 26.Qa1 Qf8 27.a4 Nd7 28.Bd4 Nb8 29.ab5 ab5 30.Bb2 Nc6= 31.Rc1 b4 32.Qa4 Bd7 33.Bg4 Bg4 34.hg4 Qe8 35.Qb5 Qd7 36.Na5 Nb8 37.Rc8 Qc8 38.Be5 Nd7 39.Nc6 Bf8 40.Qd5 Ne5 41.Ne5 Qc1 42.Kh2 Qc7 43.f4 Bd6 44.Nc4 Qd8 45.Kg1 Be7 46.Qd8 Bd8 47.Kf2 Kf8 48.Ke2 Bh4 49.e4 Bg3 50.f5 Ke7 51.d4 Kd7 52.Na5 Kc7 53.Kd3 Kb6 54.Nc4 Kc6 55.Nd2 Bf4 56.Nb3 Kb5 57.e5 Bg3 58.Nd2 Bh4 59.Ne4 Be7 60.d5 Bf8 61.g5 hg5 62.e6 f6 63.g4 (63.g4 Kb6 64.d6+–) 1–0. Schrader,Arnold (1875) – Nagel,Hubert Heinrich (1875), DESC, 2002.

9.a3 Be7 10.cd5 Bd5 11.Be2 Re8 12.0-0 Na5 13.Nc3 Nb3? (better 13...Bb3!? 14.Qf5 c5=) 14.Nd5+– Na1? (better 14...Qd5 15.Rab1 Nc5+–) 15.Ne7+– Qe7 16.Qd1 (16.Ba1 c6+–) 16...Red8 (16...Nd5 17.Qa1 (worse 17.Ba1 Qa3 18.Qb1 b6+–) 17...f6 18.Bc4+–) 17.Qa1 Ne8 18.a4 f6 19.Rc1 c6 20.a5 Qd7 (20...Nc7 21.a6 Na6 22.Bc4 Kh8 23.Ba6 ba6 24.Rc6+–) 21.a6 b6 22.Qa4 Rac8 (22...c5 23.Bb5 Qd6 24.d4+–) 23.Nd4 c5 24.Bb5 Qd6 25.Qc4 (25.Nc6 Qd2 26.Nd8 Rd8+–) 25...Kh8 26.Nf3 (better 26.Ne6!? Qd2 27.Nd8 Rd8+–) 26...Nc7 27.Ba3 (27.d4!? Nb5 28.Qb5 Qc6 29.Qc6 Rc6+–) 27...Nb5+– 28.Qb5 Qd3 29.Qa4 (29.Qd3!? Rd3 30.Bb2+–) 29...b5+= Black prepares c4 30.Qa5 b4 31.Bb2 Rd6 32.Qa2 (32.Rc5?? Qb1 33.Rc1 Rc1 34.Bc1 Qc1 35.Ne1 Qe1) 32...Ra6 (32...b3 33.Qa4 Ra6 34.Qg4=) 33.Qf7 c4 (33...Rcc6 34.e4 Qd8 35.e5 fe5 36.Be5+–) 34.Qb7+– Rcc6 35.Qb4 Rab6 36.Qc3 Rb3 (36...a6 37.Nd4 Qc3 38.Bc3+– (38.Rc3? Rb2 39.Kf1 Rc5-+; 38.dc3?! Rc5 39.Ba3 Ra5+=)) 37.Qd3 Rd3 38.Bc3 Rd5 39.Ra1 Rb6 40.Nd4 1–0. Cottarelli,Franco (1840) – Rizzo,Giuseppe (1730), 33rd Arco Open, 2011.

9.Be2 dc4 10.Bc4 Bc4 11.Qc4 Qd5 12.Qd5 Nd5 13.0-0 Be7 14.Nc3 Ncb4 15.Nd5 Nd5 16.d4 f5 17.Ne5 Rf6 18.Rfe1 a5 19.a4 Rb6 20.Ba3 Ba3 21.Ra3 Nb4 (21...Rb2 22.h3+=) 22.Nd3 ½–½. Lychkova,Ludmila (1935) – Zaitseva,Tamara (2220), World Seniors women, 2009.

10.Bd3 Qe7 11.0-0 Rfe8 12.c5 Ne4 13.Nd4 Nc5=+ Black gets the initiative 14.Bh7 Kh8 15.Nc6 bc6 16.d4 Nd7 17.Bd3 c5 18.dc5 Nc5 19.Bb5 Bd7 20.a4 c6 21.Rc1 Ne4 22.Bd3 Qg5 ½–½. Moeller Nielsen – Van Ebsroeck, email 4AMM–03, 1997.

10.cd5 Bd5 11.Be2 Be4 12.Qb3= Re8 13.0-0 Qe7 14.Nc3 Rad8 15.Ne4+= Ne4 16.d4 Bb6 17.Rfd1 Na5 18.Qc2+/– c6 19.Ne5 Nd6 20.Bd3+/– Qe6 21.a4 Qb3 22.Qe2 f6+= 23.Ra3 Qe6 24.Ng6 Nf5 25.Nf4+/– Qd7 26.Qg4 Nd6 27.Qg6+/– f5 28.d5 cd5 29.Nd5 Re6 30.Nf6 Rf6 31.Bf6 Rf8 32.Bg7! Qg7 33.Qd6 Kh8 34.g3 h5 35.Qf4 Qb2 36.Qh6 Kg8 37.Qg6 Kh8 38.Bf1 Rf6 39.Qh5 Kg8+– 40.Rad3 f4 41.Rd7 (41.Rd7 Qf2 42.Kf2 Be3 43.Ke2 f3 44.Ke3 Re6 45.Kf3 Rf6 46.Kg4 Rf4 47.gf4 b5 48.Qe8#) 1–0. Kreuzer,Uwe – Bender,Erwin, Verbandsliga Nord Baden, 1992.

9.Nc3 Bc3 10.Bc3 Ne4 11.Bb2 Rad8 12.Be2 Rfe8 13.Qc2 Nb4 14.Qb1?? (better 14.Qa4 Nd3 15.Bd3 Qd3 16.Qa3-/+) 14...Nd2-+ (14...Na2?! 15.0-0-/+) 15.Qd1 (15.Nd2 Qd2 16.Kf1-+) 15...Nf3 16.Bf3 Qc4 17.Rc1 (17.Qe2 Nc2 18.Kf1 Na1 19.Qc4 Bc4 20.Kg1-+) 17…Rd1 (17...Rd1 18.Bd1 Nd3 19.Kd2 Nc1-+) 0-1. Knight286 (2125) - Jirka007 (2100), Rated Blitz game, lichess.org, 2016.

9.Be2 Rad8 10.0-0 Ne4 11.Nc3 Bc3 12.Bc3=+.

9.Be2 Rad8 10.0-0 Bg4 11.d4 (11.a3 Be7=) 11...Ne7 (11...Ne4 12.Qc2=) 12.Nc3 Qa5 (12...Bc3 13.Bc3 Ne4 14.Qc2=) 13.Qb3 Be6 14.Qc2 c5 (14...Nc6 15.Nd2=) 15.dc5 (15.a3!? Bc3 16.Bc3+/- (worse 16.Qc3 Qc3 17.Bc3 Ne4=)) 15...Qc5 16.a3 Ba5 (16...Bc3 17.Qc3 (17.Bc3? Nfd5-+) 17...Qc3 18.Bc3+=) 17.Rac1+= Rc8 (17...Nc6 18.Qa4 Qh5 19.Rfd1+=) 18.Qd3 (18.Qb1 Qh5+=) 18...Rfd8= 19.Qb5 (19.Nd4 Qd6=) 19...Bc3 (19...Bd7 20.Qb7 Rb8 21.Nd1 Qc1 22.Qb8 (22.Bc1?? Rb7 23.Bb2 Ne4-+) 22...Rb8 23.Bc1=) 20.Qc5+= Rc5 21.Rc3 Rdc8 (21...Rc3 22.Bc3 Ne4 23.Bb2+=) 22.Rc5+= Rc5 23.Bd4 (23.Nd4 Bd7+=) 23...Ra5 24.Ra1 Nc6 25.Bf6 (25.Bb2 Rc5+=) 25...gf6= 26.h3 Ne5 (26...Kg7=) 27.Kf1 (27.Nd4 Bc4+=) 27...Bd5 (27...Nf3!? 28.Bf3 b5=+) 28.Nd4= Bc4 29.Ke1 (29.f4 Nd3=) 29...Bd5 (29...b5 30.e4=) 30.f3+= Kf8 31.e4 Be6 (31...Nc6 32.Nb5 Be6 33.Kf2=) 32.Kd2 Ke7 33.f4 Nd7?? (33...Nc4 34.Kc3 Nb6+= (34...Na3? 35.Kb4 Nc2 36.Nc2 Ra1 37.Na1+-; worse 34...Ra3 35.Ra3 Na3 36.Ne6 fe6 37.Kb2+-)) 34.f5+- Ra4 35.Ke3?? (better 35.fe6 fe6 36.Ke3+-) 35...Bc4= 36.Bd1 Ra5 37.Bb3 (37.a4 Ne5=) 37...Bb3=+ 38.Nb3 Re5 (38...Ra4 39.g3=+) 39.Rc1 Kd6 40.Rc4 Nc5 Attacks the backward pawn on e4 41.Nc5 Rc5 42.Rc5?? (better 42.Ra4=) 42...Kc5-/+ 43.Kd3 b5 (better 43...b6-+) 44.g4? (better 44.Kc3-/+) 44...a5-+ Black plans b4 45.h4 b4 46.ab4?? (better 46.a4 Kc6 47.Kc4-+) 46...ab4= 47.g5 b3 48.gf6?? (better 48.e5 fe5 49.Kc3=) 48...b2 49.Kc2 Kd4 (better 49...Kd6 50.Kb2 Ke5 51.Kc3 Ke4 52.Kc4 Kf5 53.Kd4-+) 50.Kb2 Ke4 51.Kc2 Kf5 52.Kd2 Kf6 53.Ke2 Kf5 54.Kf3 h5 55.Kg3 Ke4 56.Kf2 (56.Kg2 Ke3 57.Kf1 f5 58.Ke1 f4 59.Kd1 Kf2 60.Kc2 Kg3 61.Kc3 f3 62.Kc4 f2 63.Kb5 Kh4 64.Kb6 Kg3 65.Kb7 h4 66.Kc6 h3 67.Kd5 f1Q 68.Kc5 h2 69.Kd5 h1Q 70.Kc5 Qfg1 71.Kb4 Qd4 72.Kb5 Qh6 73.Ka5 Qhb6) 56...f5 57.Kg3 (57.Ke1 f4 58.Kd2 f3 59.Kd1 Kf4 60.Kd2 Kg3 61.Kc2 f2 62.Kb3 Kh4 63.Kc4 Kh3 64.Kc5 h4 65.Kd6 Kg3 66.Ke6 h3 67.Ke7 f1Q 68.Ke6 h2 69.Kd5 h1Q 70.Kc5 Qfg1 71.Kb4 Qd4 72.Kb3 Qg2 73.Ka3 Qgb2) 57...f4 58.Kf2 (58.Kg2 f3 59.Kf1 Kf5 60.Ke1 Kg4 61.Kf2 Kf4 62.Ke1 Kg3 63.Kd2 Kh4 64.Kc2 Kg3 65.Kd3 h4 66.Ke3 h3 67.Ke4 f2 68.Ke5 f1Q 69.Kd5 h2 70.Kd6 h1Q 71.Kc5 Qf2 72.Kd6 Qf6 73.Kc5 Qhc6 74.Kb4 Qfc3) 58...f3 59.Ke1 (59.Kf1 Kf5 60.Ke1 Kg4 61.Kf2 Kf4 62.Ke1 Kg3 63.Kd2 Kh4 64.Kc2 Kg3 65.Kd3 h4 66.Kd4 f2 67.Ke4 h3 68.Kd3 f1Q 69.Kd2 Qf2 70.Kd3 h2 71.Kc4 h1Q 72.Kc3 Qc5 73.Kb3 Qg2 74.Ka4 Qgc2) 59...Kf4 60.Kf2 (60.Kd2 Kg3 61.Kc3 Kh4 62.Kd4 f2 63.Ke4 Kg3 64.Kd3 f1Q 65.Kd4 Qf7 66.Kc5 h4 67.Kd6 h3 68.Kc6 h2 69.Kc5 h1Q 70.Kb4 Qfd5 71.Ka3 Qhd1 72.Kb4 Q1b3) 60...Kg4 61.Ke3 Kg3 62.Ke4 Kg2 63.Ke5 f2 64.Kd5 f1Q 65.Ke4 Qf3 66.Ke5 Qg4 67.Kd5 (67.Kd6 Qc4 68.Ke5 Qa4 69.Ke6 Qe4 70.Kd6 Qh4 71.Kd5 Qa4 72.Ke5 h4 73.Kd6 Qd4 74.Ke7 h3 75.Ke6 Qe4 76.Kd6 h2 77.Kc5 h1Q 78.Kb6 Qc1 79.Ka6 Qc7 80.Kb5 Qec4) 67...Qh4 68.Ke5 Qf2 69.Ke6 h4 70.Kd5 (70.Kd6 h3 71.Ke5 h2 72.Kd5 Qf6 73.Kc5 h1Q 74.Kb4 Qd4 75.Kb5 Qh6 76.Ka5 Qhb6) 70...h3 71.Ke5 (71.Kd6 Qf6 72.Kc5 h2 73.Kb4 h1Q 74.Kb3 Qb1 75.Kc4 Qd6 76.Kc3 Qdd3) 71...h2 72.Ke6 (72.Kd5 Qf5 73.Kd4 h1Q 74.Kc3 Qhh3 75.Kb4 Qhd3 76.Ka4 Qfb5) 72...h1Q 73.Kd6 (73.Kd7 Qh6 74.Ke7 Qc6 75.Kd8 Qff6) 73...Qhe1 (73...Qc1 74.Kd5 Qcc5 75.Ke4 Qfd4) 74.Kd7 (74.Kd5 Qb6 75.Kc4 Qe4 76.Kc3 Qbb4) 74...Qfd2 (74...Qb6 75.Kc8 Qee6) 75.Kc7 (75.Kc6 Qe6 76.Kc5 Qc3 77.Kb5 Qec6) 75...Qec1 76.Kb7 (76.Kb6 Qb4 77.Ka6 Qca3) 76...Qdb2 77.Ka7 (77.Ka6 Qca1) 77…Qca1 0-1. Bendega (2005) - pwkg1210 (2020), lichess.org, 2021.

9.Be2 Rad8 10.Bf6=+ gf6 11.0-0 Kh8 12.Qc2 Rg8 13.Nc3 Bc3 14.Qc3 Bh3 (14...Ne5 15.Kh1 (15.Qc7?? Nf3 16.Kh1 Nd4-+) 15...Bg4 16.Rfc1=+) 15.Qf6= Rg7 16.Qg7? (better 16.g3 Bf1 17.Kf1=) 16...Kg7-+ 17.gh3 Rd6 (17...Ne5 18.Ne5 Qe5 19.Rfd1-+) 18.d4 Rf6 (better 18...Qe4 19.Rfd1 Rf6-+) 19.Rfb1? (better 19.Kg2-+) 19...Rf3 20.Rb5 Qe4 21.Bf3 Qf3 22.Rc1 b6 23.Rg5 (23.a4 Qf6 24.h4 Qd6-+) 23...Kf8 24.h4 (24.Rg3 Qe4-+) 24...h6 25.Rg3 Qd5 26.h3 (26.a3 Ke7-+) 26...Qd6 27.h5 (27.Kf1 Nb4 28.a4 c6-+) 27...Ne7 28.Rc2 (28.Rc4 Nd5-+) 28...c5 29.Rd2 (29.Rg4 Nc6 30.a4 cd4 31.ed4 Nd4 32.Rc8 Ke7-+) 29...Qd5 30.Kh2 (30.Rg4 Nc6 31.Kf1 cd4 32.ed4 Qh1 33.Rg1 Qh3 34.Ke2 Qh5 35.Ke3 Nb4-+) 30...c4 31.Rb2 (31.Rg4 Qh5 32.Rc2 Qd5-+) 31...Qf5 32.Re2 (32.Rg1 c3 33.Re2 Nd5-+) 32...Qd3 33.Re1 Qd2 34.Reg1 c3 35.Rf1 (35.Ra1 Nf5 36.Rf3 Ne3-+) 35...Nf5 36.Rgg1 (36.Rg2 c2 37.h4 Qe2-+) 36...Ne3 37.Ra1 c2 38.d5 Qf2 39.Kh1 Nd1 40.d6 Qf3 41.Kh2 Qe2 42.Rg2 Qe5 (42...Qe5 43.Kg1 Qa1 44.Rc2 Ne3 45.Kh2 Nc2 46.d7 Ke7 47.d8R Qe5 48.Kg2 Qe2 49.Kg3 Kd8 50.h4 Ke7 51.a4 Ne1 52.Kf4 Qf3 53.Ke5 Nc2 54.a5 f6) 0–1. Bonetti,Shane – Pinguin (2530), ICC, 2002.

9.Be2 Ne4 10.0-0 Rad8 11.d4 Ba5 12.Qc1 Rfe8 13.Nc3 Nc3 14.Bc3 Bf5 15.Ba5 Qa5 16.Qb2 Qb4 17.Qb3 Be4 18.Rfc1 Re7 19.Qb4 Nb4 (19...Nb4 20.a3 Nd5+=). Simon de Balle – Sandeman_be, ChessWorld.net, 2005.

9.Be2 Qf5 10.0-0 Rad8 (10...Rfe8 11.d4=+) 11.Nc3 a6 (11...Rfe8 12.a3 Bd6 13.Nb5=) 12.d4 Rfe8 (12...Bd6 13.Qb1 Qb1 14.Rfb1=) 13.Qa4 (13.a3 Bd6=+) 13...Qg6 (13...Nd5 14.Rfc1 Nb6 15.Qc2 Qc2 16.Rc2=+) 14.Rfd1 (14.Rac1 Bd6=+) 14...Bh3 15.g3 (15.Ne1 Bg4 16.Bg4 Bc3 17.Bc3 Qg4=) 15...Bc3 (15...Bg4 16.Rac1=+) 16.Bc3 Qh5 (16...Nd5 17.Rac1=+) 17.Re1 (17.Rab1 Nd5 18.Rdc1 Bg4=+) 17...Ne4 (17...Nd5 18.Rac1=+) 18.Bb2 (18.Qc2 Bg4 19.Nd2 Nf2-+) 18...Qf5 (18...Bg4 19.Kg2 Rd6-/+) 19.Rf1? (better 19.Qb3!? Bg4 20.Kg2=+) 19...Bf1-+ 20.Rf1 Rd6 21.Qd1 b5 (21...Rd5 22.Nd2 Nd2 23.Qd2-+) 22.a4 Na5 (22...Rb8 23.ab5 ab5 24.Qb1-+) 23.Ba3 (23.ab5 ab5 24.Nd2 Nd2 25.Qd2 Qh3 26.Bb5 c6-/+) 23...Rf6 24.Nh4 (24.Ne5 Nc3 25.Qd2 Ne2 26.Qe2 Rfe6-+) 24...Qd5 25.Bf3 (25.ab5 ab5 26.Bf3 Nb3-+) 25...c6 (25...Qa2 26.Be4 Re4 27.Qd3-+) 26.Bb4 Nb3 27.ab5 (27.Qc2 a5 28.Ba3 Nbd2 29.Be4 Ne4-+) 27...a5 28.Ba3 (28.Be1 cb5 29.Ng2 a4-+) 28...cb5 29.Be4 (29.Qc2 a4-+) 29...Re4 30.Ng2 b4 31.Bb2 a4 32.f3 (32.Nf4 Qd7-+) 32...Re7 (32...Re8 33.e4 Qg5 34.d5-+) 33.e4 Qb5 34.Ne3 White prepares the advance d5 34...Rd7 (34...Rb7 35.f4-+) 35.d5 Ra6 Black prepares a3 36.Rf2 (36.Qc2 Qc5 37.Qd3 Raa7-+) 36...f6 (36...Rb7 37.f4 Qd7 38.Nf5-+) 37.Nf5 (37.f4 Qb6 38.Re2 Qc5-+) 37...Nc5 (37...Rb7 38.Rc2 Qd7 39.Qd3-+) 38.Qc1 (38.Bd4 Ra8-+) 38...a3 39.Bd4 b3 40.Rd2 Rb7 (40...Rb7 41.Bb2 ab2 42.Rb2 Ra2-+) 0–1. lethe – pcmvr, net–chess.com, 2017.

9.Bf6 gf6 10.a3 Qa5 11.Qc2 Bd6 12.Nc3 Bf5 13.Qb2 Qb6 14.Qb5 Bc2 15.Nd5 Qb5 16.Bb5 Kg7 17.d3 Bb3 18.Nc3 Na5 19.Ne4 Rfd8 20.Nd6 Rd6 21.d4 Rb6 22.Bd3 Bd5 23.Nd2 c5 24.dc5 Rb2 25.Rc1 Ra2 26.Ke2 Rd8 27.Rc3 Nc4 28.Rd1 Na3 29.e4 Bc6 30.Ke3 a5 31.g4 Ba4 32.Rdc1 Nb5 33.Bb5 Bb5 34.Nf1 a4 35.Ng3 Kf8 36.h4 Rad2 37.Rb1 R2d3 38.Rd3 Rd3 39.Kf4 Bc6 40.Rc1 a3 41.Ra1 Bd7 42.Nf5 Be6 43.Ne3 a2 44.Nd5 Rd2 45.Ke3= Rb2 46.f3 h5 47.Kf4 hg4 48.fg4 Kg7 49.Kg3 Rc2 50.Kf4 Rf2 51.Kg3 Rb2 52.Kf4 Rf2 53.Kg3 Re2 54.Kf3 Rd2 55.Kf4 Rc2 56.Kg3 Bd7 57.Kf4 Rf2 58.Kg3 Rb2 59.Kf3 Ba4 60.Ke3 Bb3 61.Nc3 Rh2 62.Kd3 Be6 63.h5 Kh6 64.Ke3 Kg5 65.Rg1 Rb2 66.Ra1 Rg2 67.Kd4 Rh2 68.Ke3 Bb3 69.Rg1 ½–½. pierre (2130) – jaskier (2105), internet, 2007.

9.Bf6= gf6 10.a3 Qa5 11.Qc2 Be7 12.Bd3 Nb4 13.Bh7+/– Kg7 14.Qc3 Kh7 15.ab4 Qb4 16.Qc2 f5 17.Nd4 Bf6 18.Ra4 Qb6 19.g4 Bd7= 20.Rc4 Bd4 21.Rd4 Qc6 22.Qc6 Bc6 23.Rg1 Rg8 24.g5 Kg6 25.h4 Rgd8 26.Rc4 a5 27.Na3 Rd3= 28.Nc2 Rb3 29.f4 Rb1 30.Kf2 Rg1 31.Kg1 a4 32.Nb4 a3 33.Rc1 Ra4 34.Nc6= bc6 35.Kf2 a2 36.Ra1 Kh5 37.Kg3 c5 38.Kh3 c4=+ 39.Kg3 c5 40.Kf3 Ra7 41.Kg3 Ra3 42.Kf3 Ra4 ½–½. Machete (2325) – callistos (2520), ICC, 2003.

9.Bf6 gf6 10.Be2 Ne5 11.0-0 Nf3 12.Bf3 Qb5 13.a3 Ba5 14.Nc3 Bc3 15.dc3 Rad8 16.Qb1 Qb1 17.Rab1 b6 18.Rfd1 Ba2 19.Rd8 Rd8 20.Rd1 Rd1 21.Bd1 Bc4 22.f4 a5 23.Kf2 c5 24.g4 b5 25.Be2 Be2 26.Ke2 Kf8 27.Kd3 Ke7 28.h4 Kd6 29.g5 fg5 30.hg5 Kd5 31.e4 Ke6 32.Ke3 Kd6 33.Kd3 ½–½. hal1958 – cccmember, HCL–A1490 playchess.de, 2003.

9.Bf6 gf6 10.Be2 Kh8 11.a3 Qa5 12.Qc2 Rg8 13.Qb2 Be7 14.Qb7 Nb4 15.Qe4 Rad8 16.Nd4 f5 17.Qf4 Bf6 18.0-0 Nd5 19.Qf3 Ne3 20.de3 Bd5 (21.Qg3 Rg3 22.fg3 c5 23.Rf5 Kg7 (23...cd4 24.Rf6 Qe1 25.Bf1 Qe3 26.Kh1-+) 24.Rf6 Kf6-+) 0–1. Woschkat,Karl_Heinz – Kolb,Rolf, BFH024 BdF, 1998.

9.a3 Ba5 10.Be2 Qd6 11.Qa4 Ne4 12.0-0 Rad8 13.Qc2 Nc5 14.d4 Nb3-/+ 15.e4 Na1= 16.Ba1 Qg6 17.Bd3 Be6 18.d5 Bh3 19.Nh4 Qg5 20.dc6 Qh4 21.gh3 Qh3 22.f3 bc6 23.Kh1 Rfe8 24.Rf2 Re6 25.e5 Bb6 26.Bf5 Qh5 27.Rf1 Rh6 28.Bg4 Qg5 29.Bc3 Bd4 30.Bd4 Rd4=+ 31.e6 fe6 32.Qc6 Qe7 33.Qa8 Qf8-/+ 34.Qf8 Kf8 35.Kg2 Rc4 36.h3 Rc5 37.Re1 Ke7 38.f4 Rf6 39.Kg3 h5 40.Bf3 Rg6 41.Kf2=+ Rc2 42.Re2 Re2 43.Be2 e5 44.fe5 Rg5 45.Nd2 Re5 46.a4 Ke6 47.Bf3 Ra5 48.Nb3= Rg5 49.Nd4 Kd7=+ 50.Be4 Rc5 51.Bd3 Rc3 52.Ke2 Ra3 53.h4 Ke7 54.Bc2 Kf6 55.Nb5 Rh3-/+ Black is in command 56.Na7 Rh4 57.a5 g5 58.a6 Rh2 59.Kd3 Rh1 60.Nc6 Ra1=+ 61.a7 h4 62.Ke4 h3-+ 63.Bd1 h2 64.Bf3 g4 65.Bg2 Kg5 66.Ke3 Kh4 67.Kf4 Ra4 (67...Ra4 68.Kf5 Kg3-+) 0–1. Muri,Heinrich (2340) – Calleri,Santo (2340), ICCF EM/MN/044 Email, 2002.

9.Bb5 Qd6 10.0-0 Ng4 11.g3 Nce5 12.Ne5 Ne5 13.f4 Nc4 14.Bc4 (14.Bc3 a6 15.Bc4 Bc4 16.Bb4 Qb4+=) 14...Bc4-/+ 15.Rf2 Bd3 (15...Qd3 16.a3 Be7 17.a4-/+) 16.Qb3 (16.f5 Qb6+=) 16...c5-/+ 17.a3 Ba5 18.Be5 (18.Qb7? Rab8 19.Qa7 Rb2 20.Qa5 Bb1-+) 18...Qd7 19.Nc3 (19.a4 Rfd8-/+) 19...c4 (19...Rfd8 20.a4-/+) 20.Qb2 (20.Qa4 Qd8-/+) 20...Bb6 (20...f6 21.Bd4-/+) 21.Ne2 f6 22.Bc3 Rfe8 23.Nd4 (23.Bd4 Ba5-/+) 23...Bd4-+ 24.Bd4 b5 25.Qc3 (25.Rc1 a5-/+) 25...a5 26.g4 (26.Qb2 Rab8-+) 26...h5 (26...Qg4?! 27.Rg2 Qe6 28.Bf6-/+) 27.h3 Be4 28.f5 Qd6 29.Rf4 Bc6 (29...Bd3 30.gh5 Re4 31.Raf1-+) 30.Raf1 (30.Qc1 Re4 31.Qf1 hg4-+) 30...Qd5 31.R1f3? (31.Kf2 b4! 32.Qc2 (32.ab4?? ab4 33.Qc1 c3 34.Bc3 bc3 35.Qc3 Qg2 36.Ke1 Bb5-+) 32...Qg2 33.Ke1-+) 31...Re4 32.Kf2 Rf4 33.ef4 b4 (33...b4 34.ab4 ab4-+) 0–1. Feofanov,Alexander – Savostjanov,Igor, 2008.

9.Nc3 Ne4 10.Be2 (10.Nd5 Qd5 11.a3 Ba5=) 10...Nc3 11.dc3 Bc5 12.0-0 Rb8 (12...Re8 13.c4 Be4 14.Qb3=) 13.c4 Be4 14.Qb3 (14.Nd2 Bf5=) 14...Qe7 15.Rad1 Rfd8 (15...Rfe8 16.Qc3 f6 17.Nd2=) 16.Rd8 (16.Rd2 a6=) 16...Rd8 17.Rd1 (17.Qb7?? Nd4 18.Qa6 Ne2 19.Kh1 Bf3 20.gf3 Rb8-+) 17...b6 (17...Rd1 18.Bd1 Nb4 19.Nd2=) 18.Qa4 Rd1 19.Qd1 Kf8 20.Bd3 Bd6 21.a4 f6 22.Kh1 Nb4 23.Bb1 Qe8 24.Be4 Qe4=+ 25.Nd2 Qf5 26.Nf3 Qd3 27.Qc1 Qe2 28.Ng1 Qf2-+ 29.Ba3 Nc2 30.Bd6 cd6 31.Qb2 Ke7 32.e4 Kf8 33.h3 Kf7 34.Qa2 Kg6 35.Qb2 Qd2 36.Nf3 Qe2 37.Nh4 Kg5 38.Nf5 Qe4 39.Nd6 Qe1 40.Kh2 Qe5 41.Qe5 fe5 42.Kg3 Nd4 43.Nc8 Nc6 44.Kf3 Kf5 45.Nd6 Ke6 46.Nb5 h5 47.g4-/+ h4 48.Ke4 g6 49.Kd3 Kf6 50.Ke4 g5 51.Nd6 Ke6 52.Nb5 Nd8 53.Nc7 Kd7 54.Nd5 Kd6 55.Kf5 Kc5 56.Ke5= Kc4 57.Nf6 b5 58.ab5 Kb5 59.Kf5 a5 60.Kg5 a4 61.Nd5 a3 62.Ne3 a2 63.Nc2 Kc4 64.Na1 Kc3 65.Kh4 Kb2 66.g5 Ka1 67.g6 Ne6 68.Kg4 0–1. ZarkovX – crafty, ICC, 1997.

9.Nc3 Be6 10.Bb5 Ne7 11.0-0 c5 12.a3 Ba5 13.d4 Rc8 14.Rc1 Bg4 15.Be2= a6 16.Qb3 b5= 17.Rfd1 c4=+ 18.Qa2 Ned5 19.Nd5 Nd5 20.Ba1 Re8 21.h3 Bh5 22.g4 Bg6-+ 23.Bf1 Bc7 24.Bg2 Be4 25.a4 Qd6 26.Qe2 f6 27.ab5 ab5 28.Rd2 Bb8 29.Ra2 Ne7 30.Ra5 Ng6 31.Rb5 Nh4 32.Rb8 Nf3 33.Bf3 Qb8 34.Be4 Re4 35.Rc4 Rc4 36.Qc4 Kh8 37.Bb2 Re8 38.Ba3 Qa8 39.Bc5 Qf3 40.Qf1 Kg8 41.Qg2+= Qd1 42.Kh2 Qc2 43.Qd5 Kh8 44.Kg3 Qb1 45.h4 Qg1= 46.Qg2 Qd1 47.Kf4 Qd3 48.Qc6 Qg6 49.h5+= Qf7 50.d5 f5 51.Bd4+/– (51.Bd4 Qe7 52.d6+/–; < 51.gf5 Qh5 52.Bd6 Qh4 53.Kf3 Qh5 54.Kg2 Qg4 55.Bg3 Qe4 56.Kh2 Rd8=+) 1–0. Buczinski,Henryk – Galkiewicz,D, corr Poland, 1996.

9.Nc3 Be6 10.Be2 Bg4 11.0-0 Qd6 12.Qc2 Rad8 13.d4 Bc3 14.Qc3 Rfe8 15.Rfc1 Nd5 16.Qa3 Qa3 17.Ba3 Nf4?? 18.Bb5+= Bf3 19.gf3 Nh3 20.Kg2 Ng5 21.Bc6 bc6 22.Rc6 Rd7 23.Rac1 Rc8 24.Bd6 Ne6 25.d5 Nd8 26.Rc7 Rcc7 27.Bc7 f6? 28.e4 Nf7 29.Bf4 g5 30.Rc7 Rc7 31.Bc7 Kf8 32.Kg3 h5 33.f4 Ke7 34.e5 gf4 35.Kf4 fe5 36.Be5 a6 37.Bc7 Kd7 38.d6 Ke6 39.h4 Kd7 40.Kf5 Nh6 41.Kg5 Ng4 42.f4 (42…Ne3 43.f5+–; < 42.Kh5 Nf2 43.Kg6 Nd3+–) 1–0. Ashen_Shugar – hal1958, HCL–T093 playchess.de, 2003.

9.Nc3 Qe7 10.Nd5= Nd5 11.Be2 Ba3 12.Ba3 Qa3 13.0-0 Qd6 14.Qb3 Nb6 15.Rfc1 Ne5 16.d4 Nf3+= 17.Bf3 White gets the initiative 17...c6 18.a4 Rab8 19.a5 Nd7 20.a6+– ba6 21.Qc4 Rb6 22.Ra6 Ra6 23.Qa6+– Nb8 24.Qa7 Re8 25.Qb7 Qa3 26.Rb1 Qd6 27.g3 g6 28.Rb6 Qa3 29.Bc6 Nc6 30.Qc6 Re3? 31.Rb8 Kg7 32.Qc8 Re1+/– 33.Kg2 Qe7 34.Qh8+/– Kh6 35.Qf8 Qf8 36.Rf8 Kg7 37.Ra8 h5 38.h4 Kf6 39.Kf3 Kf5 40.Ra5 Ke6 41.Kf4 f6 42.Ra6 Ke7+/– 43.Ra3 Kd6 44.Rd3 Kd5 45.f3 Re8 46.Rd1+= Re7 47.g4 hg4 48.Kg4 Re2 (48...Re8 49.Kf4+/–) ½–½. Kreuzer,Uwe – Hauck, Mannheim, 1980.

9.Be2 a5 10.0-0 a4 11.a3 Bd6 12.Qc2 (12.Nc3 Bb3 13.Qb1 Re8=) 12...Be6 (12...Bb3 13.Qd3=+) 13.Nc3= Qd7 (13...Bb3 14.Qf5=) 14.Nb5 (14.Na4 Bf5 15.d3 Qe7+=) 14...Ra5 (14...Be7 15.Nbd4=) 15.Nd6 (15.Bc3 Raa8 16.Bf6 Bb3+/-) 15...Qd6 (15...Bb3 16.Qc3 Qd6 17.Rfc1=) 16.Bc3 (16.Bf6 Bb3 17.Qc3 Qf6 18.Qf6 gf6+/-) 16...Rh5 (16...Bb3 17.Qb2 Rf5 18.d3+=) 17.h3 (17.Bf6 Bb3 18.Qc3 gf6+/-) 17...Bd5 (better 17...Bb3 18.Qb2 Rh6=) 18.Ne5?? (better 18.Bf6 Qf6 19.Qa4+=) 18...Re5-/+ (18...Ne5?! 19.Bh5 Nh5 20.Bb4=+) 19.Be5 Qe5 20.f4 (20.Qa4 Qg5 21.f3 Rd8-/+) 20...Qe4-+ 21.Qe4 Be4 (21...Ne4 22.d3 Nc3 23.Bh5-+) 22.d3-/+ Bd5 23.e4 (23.Rab1 Re8 24.Kf2 Ne7-/+) 23...Be6 (better 23...Nd4 24.Bf3 Bb3-+ (worse 24...Nf3 25.Rf3 Bb3 26.Rc1-/+)) 24.d4? White plans e5 (better 24.e5!? Nd5 25.Bf3-+) 24...Bb3 (24...Ne4!? 25.Bf3 f5 26.Rab1-+) 25.d5 Nd4 26.Bd3 Re8 27.e5 (27.Rac1 Ne4 28.Rc7 Bd5-+) 27...Nd5 28.Rfc1 (28.g3-+) 28...Nf4 29.Be4 (29.Bf1 Nfe2 30.Be2 Ne2 31.Kf2 Nc1 32.Rc1 c6-+) 29...Nb5 (29...Nfe2!? 30.Kf2 Nc1 31.Rc1-+) 30.Bb7 (30.Re1 c6-+) 30...h6 (better 30...Ne2 31.Kf2 Nc1 32.Bc6 Re5 33.Bb5 Rb5 34.Rc1-+) 31.Bc6 (31.Rc5 Nd4 32.Rc7 Re5 33.Rc8 Kh7-+) 31...Re5 32.Rf1 (32.Bb5 Rb5 33.Rc7 Rg5-+) 32...Ne6 (better 32...Nd4 33.Bf3-+) 33.Rad1 (33.Rfe1 Re1 34.Re1 Nbd4-+ (worse 34...Na3 35.Ba4 Ba4 36.Ra1-+)) 33...Bc4 (better 33...Bd1 34.Rd1 Nbd4 35.Bd7-+) 34.Bb5 (34.Rfe1 Re1 35.Re1-+) 34...Bf1 (better 34...Rb5 35.Rf2 Rb3-+) 35.Rc1?? (35.Bf1 Re3 36.Rd3 Rd3 37.Bd3-+) 35...Bb5 36.Rc7 (36.Rc3 Re1 37.Kh2 Rb1-+) 36...Re2 (36...Nc7 37.Kf2-+) 37.Kh2 (37.Rc8 Kh7 38.Rc3 Nf4-+) 37...Re1 (37...Nc7!? 38.Kg1-+) 38.Kg3 (38.Rc3-+) 38...Re2 (better 38...Nc7 39.Kf2 Rf1 40.Kg3-+) 39.Rc8?? (39.Kh2 Nc7 40.Kg1-+) 39...Kh7-+ 40.Rb8 (40.Rc3 Nd4 41.h4 Ra2-+) 40...Re3 (40...Bc6 41.Rc8 Rg2 42.Kh4 g5 43.Kh5 Nf4) 41.Kf2 Ra3 (better 41...Rb3 42.Rb7-+) 42.Rb5 Ra2 43.Kg3 (43.Kf1 a3 44.Ra5 Nf4-+) 43...a3 (better 43...g5-+) 44.Kh4 (44.Ra5 Ra1-+) 44...Rc2 (44...Rg2 45.Rf5 g5 46.Rg5 hg5 47.Kh5 Nf4) 45.Ra5 (45.Kg3 a2 46.Ra5 Nd4-+) 45...Rc4 (45...Rg2 46.Rf5 g5 47.Rg5 hg5 48.Kh5 Nf4) 46.g4 (46.Kg3 Rc3 47.Kh2-+) 46...Rc3 47.g5 Rh3! 48.Kh3 a2 (48...Ng5 49.Kg4-+) 49.Kg4? (better 49.gh6 Kh6 50.Ra2-+) 49...a1Q (49...Ng5 50.Ra2 Kg6 51.Ra6 f6 52.Kg3-+) 50.Ra1 hg5 (better 50...Ng5!? 51.Kf5 f6-+) 51.Rf1 (51.Rf1 Kg6 52.Rf5-+). Orange_outang (1870) - fishissushi (1825), Rated Bullet game, lichess.org, 2020.

9.Be2 a6 10.0-0 Qe7 11.Nc3 Be6 12.a3 Bd6 13.h3 (13.d4 Rad8=) 13...b5 14.Qc2 Ne5 (14...Na5!?=) 15.Ne5+= Be5 16.f4 (16.d4!? Bd6 17.e4+=) 16...Bd6= 17.Bf3 Rad8 18.Ne2 (18.Ne4 Ne4 19.Be4 f5=) 18...c5=+ 19.g4 (better 19.e4 c4 20.e5 Bc5 21.Kh1=+) 19...Nd5?? (better 19...Bc4=+) 20.Bd5?? (better 20.f5+/-) 20...Bd5-/+ 21.Qc3 (21.Ng3 Qh4 22.Kh2 Be6-/+) 21...f6 22.Ng3 b4 (22...c4 23.Qc2-+) 23.Qd3 (23.ab4 cb4 24.Qd3=+) 23...Be6 (better 23...Qf7!? 24.Nf5 Bc4 25.Nd6 Bd3 26.Nf7 Kf7-/+) 24.Qa6= Ra8 25.Qe2 ba3 26.Ra3 Ra3 (26...c4 27.Nf5 Bf5 A) 28.gf5?? Ba3 (28...Ra3?! 29.Ba3 Ba3 30.Qc4 Kh8 31.Rb1-+) 29.Qc4 Kh8 30.Ba3 Ra3-+; B) 28.Ra8 Ra8 29.gf5+=) 27.Ba3 c4 28.Bd6 Qd6 29.Kf2 (29.Nf5 Qd7+=) 29...Rd8 30.Rd1 c3? (30...Qd5 31.Ke1=) 31.d4 (31.Ne4!? Qc6 32.Nc3+/-) 31...Bb3 (31...Qb4 32.Rc1 Ra8 33.Kf3=) 32.Rc1+= Qb4 (32...c2!?+=) 33.Qe1+/- Rc8 34.Ne4 Bd5 35.Nc3 Qb2 36.Kg3 (36.Ne2!? Bc4 37.Kg1+-) 36...Qg2 37.Kh4 Bf7 (better 37...Be6 38.d5 Bg4+=) 38.Ne2?? (better 38.e4+/-) 38...Rc1-+ 39.Qc1 (39.Nc1 g6 40.Qe2-+) 39...h6 (39...g5 40.fg5 Qf2 41.Ng3 fg5 42.Kg5 h6 43.Kh4 Qf6 44.g5 Qg5) 40.Ng1?? (better 40.f5 Qe2 41.Qg1-/+) 40...g5 (40...Qf2) 41.fg5 fg5 (41...hg5) 0-1. carlos78 (2200) - armine (2125), Rated Blitz game, lichess.org, 2015.

9.Be2 Bd6 10.0-0 Re8 11.d4 Ne4 12.Nc3 Nc3 13.Bc3 Qf6 14.Bd3 Qh6 15.e4 (15.h3 a5=+) 15...Be4-/+ 16.Be4 Re4 17.Re1 Rae8 18.Re4 Re4 19.Ne5 Be5 (19...a6 20.Rb1 Rh4 21.h3=+ (21.Rb7?? Rh2 22.Kf1 Rh1 23.Ke2 Rd1 24.Nc6 Bf8 25.Ne7 Be7 26.Kd1 Bf8-+)) 20.de5 Qf4 (20...Rc4!? 21.Qd3 Qe6-/+) 21.Rb1= Rc4 22.Rb3? (22.Rb7 h6 23.Qe1 Ne5 24.Bd2-/+ (24.Qe5?? Qe5 25.Rb8 Kh7-+; 24.Be5? Rc1 25.Rb8 Kh7-+; 24.Ra7? Nd3 25.Bd2 Ne1 26.Bf4 Rf4-+)) 22...h6 23.Qe1 b6 24.e6 Re4 25.Qd1 (better 25.ef7!? Kf7 26.Qf1-/+) 25...Re6-+ 26.Qd5?? (26.Rb1 Qc4 27.Qb3 Qb3 28.ab3 Rd6-+) 26...Qd6 (26...Qc1 27.Qd1 Qd1 28.Be1 Re1) 27.Qf3?? (27.Qd6 cd6 28.Kf1-+) 27...Nd4 28.Bd4 (28.Qa8 Kh7 29.Rb1 Ne2 30.Kh1 Nc3 31.Rf1-+) 28...Qd4 (28...Re1) 29.Rd3?? (29.g3-+) 29…Re1 0-1. AhmedSultanov (1675) - Cachucha (1915), lichess.org, 2019.

9.Be2 Bd6 10.Nc3 Re8 11.Nd5 Nd5 12.0-0 Ne5 13.Ne5+= Be5 14.d4 Bd6= 15.Bf3 Nf6 16.Qc2 c6 17.e4 Bf4 18.g3 Bc7 19.a4 h5 20.Rfe1 h4 21.Rad1 Rc8 22.Qb3 Ba5 23.Re2 Rc7 24.Ba3 g5 25.e5+/– Nd5 26.Bd6 Nc3+= 27.Bc7 Qc7 28.gh4 gh4 29.Re4+/– Ne4 30.Be4 Kh8 31.Qh3 Qe7? 32.Kh1 Rg8 33.Qf5 f6 34.Qh5 (34.Qh5 Kg7 35.Rg1 Kf8 36.Qh6 Ke8 37.Rg8 Kd7 38.Bf5 Kc7 39.Rg7 Qg7 40.Qg7 Kb6 41.Bc8+–) 1–0. Lehr,Thomas – Zimmermann,Manfred, Schleswig Holstein–ch op, 1994.

9.Be2 Be4 10.0-0 Bd3 11.Bd3+= Qd3 12.Bf6 gf6 13.Ne1 Qg6 14.d4 Qe4 (14...Rfe8 15.a3 Bd6 16.Nc3+=) 15.Nd3 Rad8 (15...Kh8 16.Nf4+/-) 16.Nb4 Nb4 17.Nc3 Qd3 (better 17...Qc6!? 18.Qb3 a5+-) 18.Qd3+- Nd3 19.Rad1 Nb4 20.Rb1 a5 (20...Nd5 21.Nd5 Rd5 22.Rb7+-) 21.a3 Nc2 22.Rb7 c6 (22...Rb8 23.Rc7 Na3 24.Ra1+-) 23.Ne4 (23.Rb3 Rb8 24.Rfb1 Rb3 25.Rb3 Rd8+-) 23...Na3 24.Rc1 (24.Nf6 Kh8 25.Nd7 Rfe8+-) 24...f5 (24...Kg7 25.Rb2+-) 25.Nf6 Kg7 26.Nd7 Rfe8 27.Rc6 (27.Ne5 c5 28.Rc5 Rb8+-) 27...Re6 (27...Re7 28.Rc3 Nb1 29.Rb1 Red7 30.Ra1+-) 28.Re6 Nc4?? (28...fe6 29.Nc5 Kf6 30.Rh7 e5 31.Rh6 Kg7+-) 29.Re7 (better 29.Rc6 Nd2+-) 29...Nd6 30.Ra7 (30.Rc7 a4 31.Ne5 Rb8+-) 30...Nc8 31.Nc5 (better 31.Ra8 f4+-) 31...Ne7 32.Re7 Kf6 (32...Ra8 33.Na4+-) 33.Ra7 Rd6 (33...f4 34.Ra5 Kg7 35.Kf1+-) 34.Ra5 h6 35.Ra6 Ra6 36.Na6 Ke6 37.Kf1 Kd6 38.Ke2 Kd5 39.Kd3 (39.Kf3 Kd6+-) 39...h5 40.Nb4 Kd6 41.f3 (41.Ke2 f4+-) 41...f6 (41...h4 42.e4 Ke6 43.Nd5+-) 42.h4 Ke6 43.Kc4 White prepares d5 43...Kd6 (43...f4 44.e4 Kf7 45.Nd5+-) 44.d5 (better 44.Nd5 Ke6+-) 44...Kc7 45.Kc5 Kd7 46.d6 (46.d6 f4 47.e4+-) 1-0. Mely (2595) - vvail (1990), ChessWorld.net, 2011.

9.Be2 Ne4 10.0-0 Rb8 11.d3 Ng5 12.a3 Nf3 13.Bf3 Ba5 14.Nd2 Bd2 15.Bd5 Qd5 16.Qd2 Rbd8 17.Qc3 f6 18.d4 f5 19.Rac1 Rfe8 20.Qc4 Rd7 21.Qd5 Rd5 22.Ba1 Rc8 23.f3+= Na5 24.e4 Rd7 25.Bc3 Nc4 26.a4 c6= 27.Rfe1 fe4 28.fe4 Re8 29.g3 b5 30.a5 Rde7 31.e5 Kf7 32.Re4 Ke6=+ 33.Rh4 h6 34.Rf4 Rf7 35.Rf7= Kf7 36.Kf2 Ke6 (36...Ke6 37.Ke2 a6=). Khayman,Daniel (1640) – Miranda,Marcus (1690), FICGS, 2007.

9.Be2 Ne4 10.0-0 h6 11.Nd4 (11.Nc3 Nc3 12.dc3 Bd6=) 11...Nd4=+ 12.Bd4 c5 13.Bb2 Ba5 (13...Qg5 14.Bf3=+) 14.f3 (14.d3 Nd6=) 14...Nf6 15.Qa4 1-0. AhmedSultanov (1765) - centurian (1775), lichess.org, 2019.

9.Be2 Ne4 10.a3 Be7 (10...Ba5 11.Nc3+=) 11.d3= Nc5 12.Nc3 Bb3 13.Qb1 Be6 14.0-0 Nb3 15.Ra2 Nc5 (15...g5 16.h3 h5 17.Qc2=) 16.Ra1 (16.d4 Ba2 17.Qa2 Nd7+=) 16...Nb3= 17.Ra2 Nc5 (17...Nba5 18.d4=) 18.d4+= Ba2 19.Qa2 Nd7 20.Rc1 Nb6 21.d5 Nb8 22.e4 N8d7 23.a4 a5 24.Nb5 White prepares the advance e5 24...Rc8 (24...Nc5 25.Be5 Rc8= (worse is 25...Ne4 26.Qb1+/–)) 25.Qa1 (better is 25.Nfd4!?+=) 25...Nf6+= 26.Bf6 (26.Nc3!?+=) 26...Bf6-/+ (26...gf6 27.Nfd4 Bd6 28.Bg4+/–) 27.e5 Be7 28.Rd1 Nd5 29.Bc4 c6 30.Nc3 Qb6 31.Bd5 cd5 32.Nd5 Qe6 33.Nf4 (better is 33.h4!?-/+) 33...Qc4-+ 34.Nd5 Rcd8?? (better is 34...Bc5 35.Rd2 Bb4-+) 35.Ne7+– (35.Ne7 Kh8 36.Rd6+–) 1–0. hahaha (1985) – bishop_ben (2145), gameknot.com, 2014.

9.Be2 Qe7 10.0-0 Rfd8 11.a3 Ba5 12.Nc3 Bf3 13.Bf3 Ne5 14.d4 (14.Bb7? Rab8-+) 14...c5 15.Be2 cd4 16.ed4 Nc6 17.Na4 Nd4 (17...Bc7 18.Bf3=+) 18.Bd4= Qe4 19.Nc5 Qd4 20.Qd4 Rd4 21.Nb7 Bb6 22.a4 Rd2 23.Bf3 Rc8 24.a5 Bd4 25.Rad1 Rcc2 26.Rd2 Rd2 27.g3 g5 28.h3 Nd7 29.Be4 Ne5 30.Kg2 Nc4 31.Kf3 (31.Kg1 h5-/+) 31...h5 (better 31...Rb2 32.Kg4 Nd2-/+) 32.g4?? (better 32.Bd5!? Ne5 33.Ke4=+) 32...Ne5 (better 32...Rb2 33.gh5 Nd2 34.Ke2 Ne4 35.Kd3 f5 36.Kd4 Rb7-+) 33.Kg3-/+ h4 34.Kg2 Kg7 (34...Nc4 35.Rc1 Rf2 36.Kh1-/+) 35.a6 (better 35.Nd6!?=+) 35...Bb6 36.Bb1 Kf6 37.Bf5 Ke7 38.Kg1 Ra2 39.Bb1 Ra6 40.Kg2 Ra3 41.Re1 f6 42.Re2 Ra4 43.Bf5 Rd4 44.Rc2 Rc4 45.Rd2 Bc7 46.Ra2 Nc6 47.Rd2 (47.Re2!? Be5 48.Ra2-/+) 47...Nd4 48.Bd3 Rc3 49.Be4 Rc4 (better 49...Ne6-+) 50.Bd5?? (50.Bd3 Rc1 51.Bf5 Nf5 52.gf5-+) 50...Rb4-+ 51.Nc5 Bb6 52.Nd3 Rb1 53.Be4 Kd6 54.Nb2 Rc1 55.Nd3 Rc4 56.f4 Rc2 57.Rc2 Nc2 58.fg5 fg5 59.Bb7 a5 60.Nb2 Bd8 61.Na4 (61.Kf2 Kc5-+) 61...Nd4 62.Be4 Ne2 63.Bf3 Nf4 64.Kh2 Bf6 65.Be4 Bd4 66.Bf5?! (66.Bf3-+) 66...Kd5 67.Bd7 Kc4 68.Bc6 Kb3 69.Bd7 Bf2 (better 69...Kb4!? 70.Bc6-+) 70.Bc6 Bg3 71.Kh1 Nh3 72.Nc5 Kb4 73.Ne4 (73.Nd3 Ka3-+) 73...Nf2 74.Nf2 Bf2 75.Kg2 Bb6 76.Kf1 a4 77.Ke1 a3 78.Kd1 (78.Bd5-+) 78…a2 (78...a2 79.Bd7 a1Q 80.Kd2 Qc3 81.Kd1 Qd3 82.Ke1 Qe3 83.Kd1 Kc3 84.Bc6 Qd2) 0-1. Dias,Jose Oliveira Gaspa (1620) - Schmitz,A1 (2005), 1st Sao Martinho do Porto, 2018.

9.Be2 Qe7 10.Nc3 Bc3 11.Bc3 Ne4 12.Qc2 Rfd8 13.0-0 a5 14.Rfc1 Nc3 15.Qc3 b6 16.d4 Rd6 17.a3 Rad8 18.Qc2 Re8 19.Qf5 Be4 20.Qg4 Rg6 21.Qf4 h6 22.Ne5 Rg2 23.Kf1 Ne5 24.Qe4 Rh2 25.Kg1 Rh4 26.Qe5 Qe5 27.de5 Re5 28.Kg2 c5 29.Rab1 Re6 30.Bc4 Rd6 31.Kg3 g5 32.f4 Kg7 33.Rd1 Rf6 34.Rb5 h5 35.Be2 Re6 36.fg5 Rhe4 37.Kf2 Re3 38.Bc4 R6e4 39.Bd3 Re6 40.a4 R3e5 41.Rg1 Rd5 42.Rb3 unclear. marekt – sultan_velmoja, Yahoo, 2005.

9.Be2 Be7 10.0-0 Re8 11.Nc3= Be6 12.d4 Nd5 13.e4 Nc3 14.Bc3 Bg4 15.h3 Bh5 16.d5 Nb8 17.Re1 Nd7 18.Nd2 Bg6 19.Bf3 Bc5= 20.Nb3 Bb6 21.Bd4 f6 22.Bb6 ab6 23.g4 Ne5=+ 24.Bg2 Qd6 25.f4 Nc4 26.Qd3 Ra4 27.f5 Bf7 28.Qd1 Rea8 29.Qd4 Qg3 30.Re2 Be8 31.Qf2=+ Qe5 32.Rc1 Nd6 33.Rc7+/– Re4? (33...Re4 34.Be4 Ne4 35.Qb6 Qg3 36.Rg2 Qe1 37.Kh2 Ng5+/–; 33...Bf7 34.Rd2 Ne4 35.Be4 Qc7-/+) 0–1. Kowalkowski – Mroz,Antoni, corr 1. AMM Poland, 1991.

10.Bc3 Qd6 11.a3 Rad8 12.Be2 Ne4 13.Bb2 Qg6 14.d3 Qg2 15.de4?? (better is 15.Rf1 Ng5 16.Ng5 Qg5 17.Qa4-/+) 15...Qh1-+ 16.Bf1 Bc4 (16...Bc4 17.Nd2 Bf1 18.Nf1 Rd1 19.Rd1 f6-+) 0–1. Rush,Bradley – Bezzina,Reno, OP–2011–0-01964, 2011.

10.Bc3 Qd7 11.Bf6= gf6 12.Be2 Ne5 (12...Kh8 13.0-0=) 13.d4+= Nf3 14.Bf3 Bf3 (14...c6 15.0-0+=) 15.Qf3+/- c6 (15...c5 16.dc5 Qd3 17.Qg4 (17.Qb7?? Rab8 18.Qc6 Rb1 19.Rb1 Qb1 20.Ke2 Qh1-+) 17...Qg6 18.Qg6 fg6 19.Ke2+/-) 16.0-0 f5 (16...Qe7!?+/-) 17.Rac1+- Kh8 18.Rc5 Qe6 19.Rf5 (19.Rb1 Qe4 20.Qd1 Rab8+-) 19...Qa2+/- 20.d5 cd5 21.Rf7 (21.Rd5 Qa6+/-) 21...Rf7 22.Qf7 Qb3 (22...Qb2!?+/-) 23.h4 b6? (23...Qb2 24.Qd5 Rg8 25.h5+-) 24.h5 (better 24.Rc1 Qb2 25.Rc7 Qb1 26.Kh2+-) 24...Qd3?? (24...Qb2 25.h6 Rg8 26.Rd1+-) 25.h6 (25.Rc1 Qa3 26.Qf6 Kg8 27.Qe6 Kh8 28.Qe5 Kg8 29.Qd5 Kf8 30.Qa8 Kg7 31.Rc7 Qe7 32.Re7 Kf6 33.Qf8 Kg5 34.Rh7 a5 35.Qf4) 25...Rg8?? (better 25...Qg6 26.Qd5 Rf8+/-) 26.Qf6 Rg7 27.Qg7 1-0. Lance5500 (2620) – Karrmarr, lichess.org, 2018.

10.Bc3 Ne4 11.Bb2 Re8 12.Be2 Ng5 13.0-0 Bf3 14.Bf3 Nf3 15.Qf3 Qd2 16.Rab1 Qd6 17.Rfd1 Qg6 18.Ba1 b6 19.Rbc1 Rad8 20.h4 h5 21.Bb2 Rd1-/+ 22.Qd1 Rd8 23.Qf3 Rd6 24.a4 Qe6 25.Kh2 a5 26.Rc2 Qe8 27.Qf5 Ne7 28.Qe4 Qd7 29.Qa8 Kh7 30.Qf3 Ng6 31.Rc4=+ Kh6 32.e4 c5 Black gets in control 33.e5 Rd3 34.Bc1 Kh7 35.Qh5 Kg8 36.Be3 Qe6 37.Qg4 Qg4 38.Rg4-/+ Ne5 39.Re4 f6 40.Kg3 Rb3 41.f4 Nd3 42.Kf3 f5 43.Re7 Nb2 44.g4 Kf8 45.Re6 Na4 46.gf5 Kf7 47.Rc6 Nc3 48.Bd2 Nb1 49.Be3 a4 50.Rc7 Kf6 51.Rc6 Kf5 52.Rc8 a3 53.Rf8 Ke6 54.Ra8 b5 55.h5 Nc3 56.Kg4 Kd5 57.h6 gh6 58.f5 Rb4 59.Kh5 a2 60.f6 Ra4 61.Ra4 Na4 62.f7 a1Q 63.f8Q Qe5 64.Kh6 Qd6 65.Qd6 Kd6 66.Kg5 b4 67.Kf4 b3 (67...b3 68.Bc1 Kd5-+) 0–1. Gierth,Karlheinz (2215) – Farmer,Walter (2260), remoteschach.de, 2005.

10.Bc3 Ne4 11.Bb2 Ng5 12.Ng5 Qg5 13.h4 Qe7 (13...Qf5 14.h5=) 14.Qg4 (14.h5 h6=) 14...f6 15.Bc4 Qf7 16.Rc1 Rad8 17.h5 h6 18.a4 Ne5 19.Be5 fe5 20.f3 Rd6 21.Ke2 Rfd8 22.Bd5 Rd5 23.Rc2 Rd3 24.Rb1 c5 25.a5 R3d6 (25...Qd5 26.Kf1=) 26.Qe4 Qh5 (26...b6 27.ab6 ab6 28.Qe5+=) 27.Rb7+= Rg6 28.Kf2 Kh7 29.Ra7 (29.Kg1 Qg5 30.g4=) 29...Qh1= 30.Ra6 ½–½. Recasens Sanchez,JA (2120) – Santos Etxepare,A (1965), AEAC W/X COPA/Pr–01, 2008.

10.Bc3 Ne4 11.Bd3=+.

10.0-0 Rad8 11.d3=+ Bf3 12.Bf3 Qd3 13.Qd3 Rd3 14.Bf6 gf6 15.a3 Ba5 16.Bc6 bc6 17.Ra2 c5 18.Rc2= Bb6 19.Nc3 Rfd8 20.Ne4 f5 21.Nc5 Ra3-/+ 22.h4 Rd5 23.Rfc1 Kf8 24.g3 Ke7 25.Kg2 Kd6 26.Nb7 Ke5 27.f4 Ke6-+ 28.Rc3? Rc3 29.Rc3 Kd7 30.Kf3 Kc8 (30...Kc8 31.g4 Kb7-+) 0–1. Machete99 (2190) – TerraPi (2305), ICC, 2002.

10.0-0 Ng4 11.h3 Bf3 12.hg4 Be2 13.Qe2 Rfe8 14.d3 Rad8 15.Rd1 Nd4!-+ 16.Bd4 Qd4! 17.ed4 Re2 18.a3 Ba5 19.Kf1 Rde8 20.f3 Rc2 21.a4 Ree2 22.Na3 Rf2 23.Kg1 Rg2 24.Kh1 Rh2 25.Kg1 Rcg2 26.Kf1 Rb2 27.Kg1 h5 28.Nc4 Rbg2 29.Kf1 Bc3 30.Rac1 Bd4 (30...Bd4 31.Ne3 Be3 32.Rc7 Rg1#) 0–1. kostovist (1665) – luciano59 (2110), internet, 2006.

10.a3 Ba5 11.0-0 Rad8 12.d4 1-0. Mely (2850) - ironmaiden23 (2040), ChessWorld.net, 2011.

10.a3 Ba5 11.0-0 Ng4 12.g3=+.

10.a3 Ba5 11.Nc3 Bf3 12.Bf3 Ne5 13.0-0 c6 14.Be2 Nd3 15.Qc2 Rad8 16.Rad1 Rd7 17.Bd3= Qd3 18.Qa4 Bb6 19.Na2 Ne4= 20.Nc1 Qb1 21.Qb4 Rd5 22.d3 Rb5 23.Qe4 Qb2 24.a4 Rb4 25.d4 Ra4 26.Nd3 Qa3 27.Qf5 Qe7 28.Rb1 Ra5 29.Qf3 Rd8 30.Rfc1 Ra3 31.Qd1 Bc7-/+ 32.Qc2 Rd5 33.Nc5=+ Bb6 34.Rd1 Rh5 35.h3 Ra5 36.Na4 Bd8 37.Nc5= b6 38.Nd3 Rag5 39.Qc6 Rh3 40.Qc8 Rh6 41.Nf4 Rd6 42.Rdc1 g6 43.Qa6 Kg7 44.Rc8 b5 45.Qa1 Qe4 46.Rb4 a5 47.d5 Qe5 48.Qe5 Re5 49.Rb5 g5 50.Ne2 Red5 51.Rd5 Rd5 52.g4 Kg6 53.Ng3 Kf6 54.Kg2 Ke7 55.Nf5 Kd7 56.Ra8 Kc6 57.Ra7 h5 (57...h5 58.e4 Rd2 59.gh5 Rf2 60.Kf2 Bb6 61.Kg3 Ba7+=) 0–1. van den Braak,Jelle (1905) – Zielinski,Michael (1990), corr ICCF, 2005.

10.a3 Ba5 11.h3 Rad8 12.0-0 Ne4 13.d3 Nc5-/+ 14.d4 Ne4 15.Nfd2 Qg6 16.Bh5 Qh6 17.Ne4= Be4 18.Bf3 Bf3 19.Qf3 f5 20.Rd1 Bb6 21.d5 Na5 22.Be5 Nc4 23.Bf4 Qf6 24.Ra2 Rd7 25.Rc2+= Ne5 26.Qg3 Ng6 27.Nc3 c6 28.Rcc1 Bc5 29.a4 Ba3 30.Bg5 Qd6 31.dc6 ½–½. Reinhart,Kenneth M (2470) – Bjazevic,Pavao, corr ICCF WSTT/3/06/3, 2006.

10.Nc3 Bc3 11.dc3 Rad8 12.0-0 Ne5 13.Ne5 Qe5=+.

10.Nc3 Bf3 11.Bf3 Ne5 12.d4 Nf3 13.Qf3 Nd5 14.e4 Nc3 15.Bc3 Qd4 16.Rc1 Qc4 17.Qe3 c6 18.Bb4 Qb4 19.Ke2 Qb2 20.Kf3 Qa2 21.Rhd1 a5 22.Rd7 Qb2 23.Qc5 a4 24.Rc2 Qf6 25.Ke3 a3 26.Rdd2 Qh6 27.f4 Qh2 28.Kf3 Ra4 29.Qe7 h6 30.f5 g5 31.g3 Qh1 32.Ke3 g4 33.Rf2 Rfa8 34.Ra2 Qc1 (34...Qc1 35.Rfd2 Qe1 36.Kf4 Qh1-+) 0–1. Pierred (2315) – Coco11,Shredder 9 (2485), Rated game, 2005.

10.0-0 Qd6 11.d3 Bf3 12.Bf3 Rad8 13.Bf6 (13.Qa4 Nd5+=) 13...Qf6= (worse is 13...gf6 14.Bc6 bc6 15.a3+/–) 14.d4 Bd6 15.Nd2 Na5 16.Ne4 Qh6 17.Nd6 Rd6? (better is 17...Qd6 18.Rc1 c6+=) 18.Qa4+– Nc6 19.Rab1 Red8 (19...Rb8 20.Bc6 Rc6 21.Qa7+–) 20.Rb7 Nd4 (20...a6+–) 21.ed4 Ra6 (21...Qf4 22.Re1 (22.Rc7?! Rh6 23.Rfc1 Qh2 24.Kf1 Qh1 25.Ke2 Re6 26.Kd3 Qh6+–) 22...g5 23.Rc7 Rd4 24.Qa7+–) 22.Qc4 1–0. marekt (2015) – elmis (1745), gameknot.com, 2014.

10.0-0 Bd6 11.Nc3 h6 12.Nd5+= Nd5 13.g3 (better 13.Bc4 Be7 14.Bb5+=) 13...f6?? (better 13...Qd7=) 14.Qb3+– Be5 (14...Bc5 15.Bc4 (15.Qb7?! Qd6 16.Qb3 Rab8+–) 15...Nce7 16.e4+–) 15.d4 (15.Qb7?! Na5 16.Qa6 Bb2+–) 15...Bd6 (15...Bg3 16.hg3 Na5+–) 16.Qd5 Kh8 17.Nh4 Ne7 18.Qe4 (18.Qb7?! Rb8 19.Qe4 Rb2+–) 18...Nc6 (18...Rf8+–) 19.Ng6 Kg8 20.Bc4 Kh7 (20...Re6 21.Be6 Kh7 22.Nf8 Kh8 23.Qh7) 21.Nf8 (21.Nf8 Kh8 22.Qh7) 1–0. marekt – alaskanbruin, ChessWorld.net, 2020.

10.0-0 Bd6 11.d4 Ne4 12.Nbd2 Ne7 13.Ne4 Be4 14.Bc4 Ng6 15.Re1 Nh4 16.Nh4 Qh4 17.h3 Qg5 18.Qg4 Qf6 19.f3 Bf5 20.d5? (20.Qh5+=) 20...Be5?? (better is 20...Qb2 21.Qf5 Re3-+) 21.Be5= Re5 22.Qg3 Re3 23.Re3 Qa1 24.Kh2 Qd4 25.Qe5 Qe5 26.Re5 Bg6 27.Re7 Rc8 28.g4 Kf8 29.Re3 Rd8 30.f4 f6 31.Rc3 Bf7 32.Bb3 Bd5 33.Rc7 Bb3 34.ab3 Rb8 35.Kg2 a6 36.Kf3 b5 37.h4 Rd8 38.Ke4 Rd6 39.g5 fg5 40.hg5 h5 41.gh6 gh6 42.Ke5 Rb6 43.b4 Kg8 44.f5 h5 45.f6+– h4 46.Kf5 h3 47.Kg6 Rb8 48.Rg7 (48.Rg7 Kf8 49.Rh7+–) 1–0. Schoenegg,Rolf (1945) – Tomandl,Vladimir (1840), Karlovy Vary op, 2009.

10.0-0 Bd6 11.d4 Ne4 12.Nbd2 Qf6 13.Nc4 Bf8 14.Nce5 Rad8 15.Bb5 h6 16.Rc1 Ng5 17.Ng5 hg5 (17...Qg5 18.g3 Ne5 19.de5=+) 18.f3 Ne5 19.de5 (worse 19.Be8 Nc4 20.Qe2 Qa6 (20...Re8?! 21.Rc4 Bc4 22.Qc4-/+) 21.Bf7 Bf7-/+ (21...Kf7?! 22.e4 Re8 23.Qd3=)) 19...Qb6? (better 19...Re5 20.Qc2 c6=) 20.Qe2?? (better 20.Be8 Qe3 21.Rf2+-) 20...c6=+ 21.Bd3 Bc5 22.Bd4? (better 22.Rfe1-/+) 22...Bd4-+ 23.ed4 Qd4 24.Kh1 Re5 25.Qc2 g4 26.Bh7 Kf8 27.Rcd1 Qf4 28.fg4 Qg4 29.Bf5 (29.Rd2-+) 29...Rf5! 30.Rf5 (30.Qf5 Qg2 Mate attack; 30.Rf5 Be4 Double attack (30...Be4 Decoy)) 30...Bg2! 31.Qg2 Rd1 32.Rf1 Qg2 33.Kg2 Rf1 34.Kf1 Ke7 35.Ke1 Ke6 36.Kd2 Ke5 (better 36...g5 37.Ke3-+) 37.Kc3 f5 38.Kd2 f4 (better 38...g5 39.a4-+) 39.Kc2 g5 40.Kd2 g4 41.Ke1 Ke4 42.Kf1 Ke3 43.Kg2 f3 (43...c5 44.h4 gh3 45.Kh2 f3 46.Kg3 c4 47.a3 c3 48.a4 f2 49.Kh3 f1Q 50.Kg4 Qf4 51.Kh5 c2 52.Kg6 c1Q 53.a5 Qcc7 54.a6 Qcf7) 44.Kf1 c5 45.a3 (45.a4 c4 46.h3 gh3 47.Ke1 f2 48.Kd1 Kd3 49.Kc1 c3 50.Kb1 f1Q 51.Ka2 Qc1 52.Kb3 Qb2) 45...c4 46.a4 (46.h4 c3 47.Kg1 g3 48.Kf1 c2 49.h5 c1Q) 46...c3 47.a5 (47.Kg1 c2 48.h4 g3 49.h5 c1Q) 47...c2 48.a6 (48.Ke1 c1Q) 48…c1Q 0-1. s583 (2005) - elRope (2275), Rated Blitz game, lichess.org, 2016.

10.0-0 Ne4 11.d3 Ng5 12.Nfd2 Qd6 13.e4+/– Be6 14.f4 Nh3 15.gh3 Bh3 16.Rf3 Bc5 17.Kh1 Bd7 18.Rg3 Bd4 19.Nc3 Ne7 20.Nb3 Bc3 21.Bc3 Ng6 22.f5 Ne5 23.d4 Nc6 24.Nc5 b6 25.Nd7 Qd7 26.Bb5 a6 27.Rg7! (27.Rg7 Kg7 28.Qg1 Kh8 29.d5 Re5 30.Bc6+–) 1–0. marekt – Bored_Bishop, ChessWorld.net, 2005.

10.0-0 Qe7 11.a3 Ba5 12.Nc3 Be6 13.d4 Rad8 14.Nd2 Nd5 15.Nd5 Bd5 16.Nc4 Qg5=+ 17.g3 Qf5 18.Na5 Na5 19.Qd3 Qh3 20.f3 Nc4 21.Bc1=+ Qe6 22.Re1 f5 23.Bf1 c5 24.f4? Be4?? 25.Qc4+– cd4? 26.ed4 Rc8 27.Qe6 Re6 28.Be3 Rc3 29.Bd2 Rc2 30.Rad1 Rec6 31.Bb4 Ra2 32.d5 Rcc2 33.d6 Rh2 34.Re4! fe4 35.Bc4 (35.Bc4 Kh8 36.Ba2 Ra2 37.d7 h5 38.d8Q Kh7 39.Qg5 Rg2 40.Kg2 e3 41.Qh5 Kg8 42.Rd8) 1–0. Bonetti,Shane – guest212, ICC, 2002.

10.0-0 h6 11.Nc3 Be6 12.Nb5 Rc8 13.Qa4 Bc5 14.Rac1 Bb6 15.a3 Nd5 16.Qc2 Bg4 17.Rfe1 Qe7 18.h3 Bd7 19.Ba1 a6 20.Qb2 Nf6 21.Nc3 Qd6 22.d3 Ne5 23.Ne4+/– Ne4 24.Ne5 Nf6 25.Nd7 Qd7 26.Bg4! Qd6 27.Bc8+– Rc8 28.d4 Re8 29.a4 Re6 30.Qb3 Ne4 31.Red1 Rg6 32.Qc2 Qd5 33.Kh1 Ng5+/– 34.f4 Ne4 35.Kh2 Nd6 36.Re1 Qh5 37.e4+– Qh4 38.Rf1 Ba5 39.Qd3 Qe7 40.e5 Ne8 41.g3 Qd7 42.Qa3 Bb6 43.Rcd1 Qd5 44.f5 Rc6 45.Qe7?? Rc2 (45...Rc2 46.Rd2 Rd2 47.Rf2 Rf2 48.Kg1 Qg2#) 0–1. Sternik,Ryszard – Szczesiak,Zenon, corr 2. AMM, Poland, 1994.

10.0-0 h6 11.d4 Ne7 12.Nc3= Be6 13.a3 Ba5 14.Rc1 c6 15.Ne5 Nd7 16.Nd7 Qd7 17.Ne4 Bc7 18.Bf3 b6 19.Qa4 Rac8 20.Ng3 a5 21.Bc6 Nc6 22.Qc6 Bg3 23.Qd7 Bf2 24.Kf2 Bd7 25.Rc8 Rc8= 26.Rc1 Rc1 27.Bc1 Bc6 28.g3 f5 29.Ke2 Kf7 30.Kd3 Bb5 31.Kc3= Ke6 32.e4 fe4-/+ 33.Bf4 Kd5 34.h4 h5 35.Bg5 Bd7 36.Bd8 Kc6 37.Kd2 Kb5 38.d5 Kc5 39.Ke3 Bf5 40.d6 Kd6 41.Bb6 a4 ½–½. Garbacki – Mroz,Antoni, corr 1. AMM Poland, 1991.

9.a3 Ba5 10.Be2 Re8 11.0-0 Qe7 12.Qb3 Bb6 13.Nc3?? (better 13.Qc2=) 13...Ne3-+ 14.Bc4 0-1. Knight286 (2210) - oldstylechess (2115), Rated Blitz game, lichess.org, 2016.

9.a3 Bd6 10.Qc2 Nb6 11.Bb5 Bd7 12.Bd3 f5 13.0-0 Be6 14.Bb5 Qe8 15.d3 Bd5 16.Nbd2 a6 17.Bc4 Nc4 18.dc4 Be6 19.Ng5 Qh5=+ 20.f4 Rfe8 21.Rf3 h6 22.g4 Qg4 23.Rg3 Qg3 24.hg3 hg5 25.Nf3 gf4 26.gf4 Bc5 27.Kh1 Rad8 28.Rg1 Rd7 29.Qg2 Bf8 30.Qh3 Bf7 31.Ng5 Bg6 32.e4 Ne7 33.c5 Red8 34.Qb3 Kh8 35.Ne6 Rd3 36.Qb7 Rh3 37.Kg2 Rdd3 38.Rh1 Rdg3 39.Kf2 Rf3 40.Ke2 Bh5 41.Rh3 Rh3 42.Kf1 Kg8 43.Qb8 Ng6 44.Bg7 Bg4 45.Bf8 Rf3 46.Kg2 Nh4 47.Kg1 Rg3 48.Kf2 Rg2 49.Ke3 Re2 50.Kd4 Re4 51.Kd5 (51.Kd5 Rb4 52.ab4 Bf3 53.Kd4 Bc6 54.Qc7 Nf3 55.Ke3 Bd7 56.Qd7 Nd4 57.Qg7) 1–0. Reinhart,Kenneth M (2470) – Ling,AJ (2060), corr ICCF WSTT/3/06/3, 2006.

9.a3 Bd6 10.Qc2 Qd7 11.Nc3 Rae8 12.Bd3 h6 13.0-0 f5 14.Nb5 a6 15.Nd6 cd6 16.Rac1 Rf7 17.Be2 Rc8 18.d3 Qe8 19.Qd2 Rfc7 20.e4 Nb6 21.ef5 Bf5 22.Nh4 Be6 23.Qf4 Qd7 24.Rce1 Nd5 25.Qg3 Nd8 26.Bh5 Rc2 27.Bc1 Nf6 28.Bg6 R2c5 29.h3 Nf7 30.Bb2 Rg5 31.Qe3 Ne5? (better is 31...Nd8+=) 32.f4+– (32.Be5 Re5 (< 32...de5 33.Nf3 Rg2 34.Kg2 Bh3 35.Kh1 Bf1 36.Rf1+/–) 33.Qf4 Nd5=) 32...Nd5 33.Qe4 Nf4 34.Rf4 (< 34.Qf4 Ng6 35.Ng6 Rg6=+) 34...d5 35.Bh7 Kh8 36.Qd4 Kh7 37.Re5 Bh3 38.Rg5 hg5 39.Rf3 (39.gh3 gf4 40.Qf4 g5 41.Qf5 Qf5 42.Nf5 Rc2=+) 39...Be6 40.Rg3 g4 41.Re3 (41…Rc2 42.Re6 Rb2 43.Qg4 (43.Qb2?! Qe6 44.Qf2 g6+–) 43...Rb1 44.Kf2 Rb2 45.Kg3 Qc7 46.Kh3+–) 1–0. ARMAGEDON_8 (2135) – marekt (2510), ChessWorld.net, 2003.

9.Na3 Nb6 10.Qc2 Qe7 11.Nc4 Nc4 12.Bc4 Qc5 13.Rc1 Rad8 14.Be2 Qc2 15.Rc2 Bf5 16.Rc1 Be4 17.Bc3 Ba3=+ 18.Ra1 Nb4 19.0-0 a6 20.Bb4 Bb4 (20...Bb4 21.d4 Rfe8=+). Farmer,Michael Vincent – Schvaneveldt,Steve, corr IECG Cat–E, 1994.

9.Bb5 Qd6 10.a3 Ba5 11.0-0 Nce7 12.Be2 c6 13.Nc3 Nc3 14.dc3 Qd1 15.Rfd1 f6 16.Nd4 Bf7 17.c4 Rad8 18.Rac1 Bc7 19.c5 Rfe8 ½–½. Keber,Ernst – Zill,Christoph (2555), RSS5D pro–47, 2005.

9.Bb5 Bd7 10.0-0 Nce7 11.Bd7 Qd7 12.e4 Nf4 13.d4 Qg4=+ 14.g3 Nh3 15.Kg2 Ng6 16.Bc3 Bd6 17.e5 Be7-/+ 18.Kh1 c6 19.Nbd2=+ Rfe8 20.Rb1 Rab8 21.Qe2 Qe6 22.Ne4 Qf5 23.Qd3 Qg4 24.Qe3 Qf5 25.Qd3= Qg4 26.Qe3=+ Qf5 27.Qd3= Qg4 28.Qe3=+ Qf5 29.Qd3 Qg4 30.Qe3 Qf5 31.Qd3= Qg4 (31...Qd7 32.Qe3=+) ½–½. Bonetti,Shane – KNEiTER, ICC, 2002.

9.Bb5 Nce7 10.0-0 Ng6 11.Qc2 c6 12.Ba4 Bd6 13.d4 Nh4 14.Nbd2 f5 15.Bb3= Kh8 16.a3 Nf3 17.Nf3 Rf6 18.Rfe1 Rh6 19.e4 fe4=+ 20.Qe4 Nc3 21.Qc2+= Bb3 22.Qb3+/– Nd5 23.Bc1 Rf6 24.Qb7 Rb8 25.Qa7+– Rf3 26.gf3 Qh4?? 27.Re4 Qh2-+ 28.Kf1 Qh1 29.Ke2 Nc3 30.Kd3 Ne4 31.fe4 Qd1 (31...Qd1 32.Bd2 Rb3 33.Kc4 Qc2 34.Bc3 Qc3#) 0–1. Castro Couceiro,Silvia – Alonso Vazquez,Rafael (2030), Ortigueira op 2nd, 2003.

9.Be2 a6 10.0-0 b5 11.Qc2 Nce7 12.a3 Bd6 13.Nc3 c5 14.Nd5 Nd5 (worse 14...Bd5 15.e4 Be6 16.e5+/-) 15.a4 Qb6 16.ab5 ab5 17.Rfb1 (better 17.Ng5 g6 18.Qe4+/-) 17...Nb4 Black plans c4 18.Qc3 f6 19.d4 Nd5 20.Qc2 c4 21.Bc3 (21.e4 Nf4=+) 21...Ra1 22.Ba1 Qc6 23.e4 Nb4 24.d5 Nc2 25.dc6 Na1 26.Ra1 Rc8 27.Nd4?? (better 27.Rb1 Be5 28.Ne5 fe5 29.Rb5 Rc6 30.Rb1=+ (worse 30.Re5 c3 31.Bd3 Kf7-+)) 27...Be5-+ 28.Rd1 Bd4 29.Rd4 Rc6 30.Rd8 Kf7 31.Rb8 (31.Bh5 g6 32.Bd1-+) 31...c3 32.Bd3 c2 (better 32...Bc4 33.Rb7 Ke6 34.Bc2-+) 33.Bc2 Rc2 34.f4 Bc4 35.Rb7 Kg6 36.f5 Kh6 37.g4 Rb2 38.h4 b4 39.Rb6 (39.e5 fe5 40.Rb6 g6-+) 39...b3 40.g5 (40.e5 Rc2 41.ef6 gf6 42.Rf6 Kg7-+) 40...Kh5 41.gf6 gf6 42.Rb7 h6 43.e5 fe5 44.f6 Kh4 45.f7 Rb1 (45...Kg3 46.Rb3 Rb3 47.f8R Rb1 48.Rf1 Rf1) 46.Kg2-+ Rf1 (better 46...Bd5 47.Kf2 Bf7 48.Ke3-+) 47.Rb4 Rf7 48.Rc4 Rf4 49.Rc3 (49.Rc6 Rb4 50.Rh6 Kg4 51.Rh1-+) 49...Rb4 50.Rc1 b2 51.Rh1 Kg4 52.Rb1 Rb3 53.Kf2 h5 54.Rg1 Kf4 55.Rb1 h4 56.Kg2 Kg4 57.Kh2 h3 58.Rg1 (58.Re1 Kh4 59.Rb1 e4 60.Kg1 Kg3 61.Kh1 e3 62.Rg1 Kh4 63.Kh2 Rd3 64.Rf1 Rd4 65.Kg1 Rg4 66.Kh1 e2 67.Rb1 Rg2 68.Re1 Rf2 69.Kg1 Kg3 70.Rb1 h2 71.Kh1 Rf1 72.Rf1 ef1Q) 58...Kh4 59.Rb1 e4 60.Re1 (60.Rd1 Rb8 61.Rf1 e3 62.Rf4 Kg5 63.Rf3 b1Q 64.Rg3 Kf4 65.Rg4 Kf5 66.Rc4 Qa2 67.Kh3 Rh8 68.Rh4 Rh4 69.Kh4 Qh2) 60...e3 61.Rb1 (61.Rb1 e2 62.Rg1 Rf3 63.Re1 Rf2 64.Kg1 Kg3 65.Rb1 h2 66.Kh1 Rf1 67.Rf1 ef1Q; 61.Rf1 e2 62.Rf7 b1Q 63.Rf4 Kg5 64.Rg4 Kf6 65.Rg8 Qb2 66.Rf8 Kg7 67.Rf2 Qe5 68.Kg1 Rb1 69.Rf1 ef1Q). carlos78 (2350) - Mihail1985 (2200), Rated Blitz game, lichess.org, 2015.

9.Be2 Be7 10.a3 a5 11.Nc3 Nc3 12.Bc3 a4 13.0-0 Bb3 14.Qc1 Bf6 (14...Qd6 15.d3=) 15.Qb2 Bc3 16.Qc3 Qd6 17.d4 Rfe8 18.Bb5 Bd5 19.Nd2 (19.Rab1 Re6 20.Be2 Rb8=) 19...Re6 (19...Bg2 20.Kg2 Qd5 21.e4 Qb5 22.d5=+) 20.Nc4 (20.Bd3=) 20...Bc4 (20...Qe7!? 21.Rab1 Qg5=+) 21.Bc4 (21.Qc4 Rh6 22.h3 Na5 23.Qa4 Rh5+/-) 21...Rh6+= 22.g3 (22.h3 Na5+=) 22...Qd7= 23.Rfb1 (better 23.Ra2!?=) 23...Qh3=+ 24.Bd5 Qh2 25.Kf1 Rf6 26.Ra2 Rd8 (26...Re8!? 27.Bg2 Ne7=+) 27.Bg2= Qh5 (27...Qg3 28.Rb7 Qg4 29.Rd2+= (29.Bc6 Qe6 30.Rc2 Qg4+-)) 28.Qc5 (28.Rb7!? Rb8 29.Rab2 (29.Bc6?! Rb7 30.Bb7 Qb5 31.Re2 Qb7=) 29...Rb7 30.Rb7+-) 28...Qc5= 29.dc5 Na5 30.Rb5 Nc4 31.Ke2 b6 32.Rb4 Ne5 33.Ra4 (33.Be4 bc5 34.Ra4 Rfd6+=) 33...bc5 (33...Nd3 34.Kf1 Nc1=+) 34.Re4?? (34.Be4 Rfd6+=) 34...Ng6?? (better 34...Nd3 35.Kf1 Nc1-/+) 35.a4+= h6 (35...Ra8 36.a5+=) 36.a5+/- Ra6 37.Rc4 Ne5? (better 37...c6!?+/-) 38.Rc5+- c6? (38...Nd3 39.Rc7 Rad6+-) 39.f4 (39.f4 Nd3 40.Rc4+- (40.Rc6? Rc6 41.Bc6 Nc1 42.Kf3 Na2-+)) 1-0. pacalmisu (2395) - jeffforever (2450), Rated Blitz game, lichess.org, 2016.

9.Be2 Be7 10.a3 Bf6 11.d4 Bf5 12.0-0 Re8 13.Nc3 Nc3 14.Bc3 Be4 15.Nd2 Bd5 16.Rc1 Qd6 17.f3?? (17.Bd3 a5= (worse 17...Qa3 18.Qh5+/-)) 17...Bg5?? (better 17...Re3 18.Nb1 Bg5-+) 18.e4= Be6 (18...Ba2 19.d5 Be3 20.Kh1 Nd4+=) 19.d5+/- Bd5 20.ed5 Qd5 21.Ne4 Qf5 22.Qc2 (22.Ng5 Qg5 23.Rf2 Rad8+-) 22...Qg6? (better 22...Bc1 23.Qc1 Qe6+=) 23.Ng5+- Qg5 24.Bd3 h6 25.Be4 Rad8 26.Rcd1 Ne5?? (26...Qc5 27.Kh1 Qa3 28.Ra1+-) 27.Be5 (better 27.f4 Nf3 28.Bf3 Qc5 29.Kh1+-) 27...Qe5 28.Rd8 Rd8 29.Rd1 (better 29.Bb7!? Qe3 30.Kh1 Qa3 31.Qc7+-) 29...Rd1+/- 30.Qd1 f5 (better 30...g6!?+/-) 31.Qd5+- Qd5 32.Bd5 Kf8 33.Bb7 1-0. carlos78 (2250) - pacalmisu (2190), Rated Blitz game, lichess.org, 2015.

9.Be2 Nce7 10.0-0 c6 11.Nd4 Bc8 12.a3 Bd6 13.Nc3 Qc7 14.g3 Bh3 15.Nd5 Nd5 16.Re1 Qd7 17.d3 c5 18.Nf3 Rfe8 19.Ng5= h6?? 20.Nh3+– Qh3 21.Bg4 (21.Bg4 Nf4 22.Bh3 Nh3 23.Kg2+–) 1–0. Bonetti,Shane – guest913, ICC, 2002.

9.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Be6).

8.Qc2 Bd6 9.a3=+.

8.Qc2 Bg4 9.Nd4 (9.cd5 Nd5 10.Bd3 h6=) 9...Nd4-/+ 10.Bd4 c5 11.Bc3 (11.Bf6 Qf6 (worse 11...gf6 12.cd5 Qe5 13.Nc3+–) 12.Nc3 Bc3 13.Qc3 d4-/+) 11...Bc3 12.Nc3 d4 13.Nd1 Rad8 (13...de3 14.de3 Rfd8 15.Bd3=+) 14.f3 (14.Bd3 Rd6=+) 14...Bc8 15.e4 Nd7 (15...Rfe8 16.Rb1-/+) 16.Bd3 f5 (16...Ne5 17.0-0-/+) 17.0-0 Ne5 18.Nf2 f4 19.a4 Qg5 (better 19...Rd6-/+) 20.a5?? (better 20.Be2!?-/+) 20...Nf3-+ 21.Kh1 Nh2! 22.Kh2 (22.e5 f3 23.Rg1-+) 22...Qg3 23.Kh1 (23.Kg1 f3 24.Rae1 Qg2) 23...f3 24.gf3 (24.Rg1 Qf2 25.gf3 Qh4 26.Kg2 Bh3 27.Kh2 Bf1) 24...Rf6 25.Ng4 Bg4 (25...Bg4 26.Rf2 Rh6 27.Rh2 Rh2) 0–1. Bougot,Joel (1920) – Caron,Pascal (2000), FRA–chT3 Gr5, 2002.

8.Be2 dc4 9.Bc4 Bg4 10.0-0 Rad8 11.Be2 Ne4 (11...Rfe8 12.a3 Bd6 13.d4=+) 12.d3= Bf5 (better 12...Nc5=) 13.Qb3 (better 13.a3 Ba5 14.Qc2=) 13...Nc5-+ 14.Qc4 Bd3 15.Bd3 Nd3 (worse 15...Rd3 16.a3 Ba5 17.Bd4 Nd4 18.ed4 Rf3 19.gf3-/+) 16.Bc3 Rfe8 17.a3 Bd6 18.Nbd2 Nce5 19.Ne5 Be5 20.Be5 Ne5 21.Qc2 c5 22.Nc4 b5 23.Ne5 Qe5 24.a4 b4 25.a5 (25.Rac1 Rd5-+) 25...g6 (25...Rd6 26.Rad1-+) 26.Rac1-/+ Rd5 27.Rfd1 Rb8 28.Qb3 Rd1 29.Rd1 Qc3 30.Qd5 b3 31.Qd6 Rb5 32.Qe7 (32.Qa6 Ra5 33.Qc8 Kg7-+) 32...Kg7 (32...Ra5?? 33.Rd8 Kg7 34.Qf8 Kf6 35.Qh8 Kg5 36.Qc3+-; 32...Qa5 33.Rd8 Qd8 34.Qd8 Kg7 35.Qd3=) 33.h4 b2 (33...Qa5 34.Qe5 Kh6 35.Rd7+-) 34.Rd8 (34.Kh2 b1Q 35.Rd8 h5 (35...Ra5?? 36.Qf8 Kf6 37.Rd6 Ke5 38.Qe7 Kf5 39.Qg5 Ke4 40.Qf4) 36.Qf8 Kh7-+) 34...b1Q 35.Kh2 h5 (35...Ra5?? 36.Qf8 Kf6 37.Rd6 Ke5 38.Qe7 Kf5 39.Qg5 Ke4 40.Qf4) 36.Qf8 Kh7 37.Qg8 (37.Rd7 Qe5 38.g3 Qg3 39.Kg3 Qg1 40.Kh3 Qg4 41.Kh2 Qd7-+) 37...Kh6 38.Qf8 (38.Rd4 Rb8 39.Qf7 cd4 40.Qf4 Kg7 41.Qe5 Kf7 42.Qd5 Ke7 43.Qe5 Kd7 44.Qd5 Kc7 45.Qf7 Kc6 46.Qe6 Kb5 47.Qe5 Ka4-+) 38...Qg7 39.Qd6 Qf5 (39...Qe4 40.Qg3 Qf6 41.Rd1 Qeh4 42.Qh4 Qh4 43.Kg1 Ra5 44.Re1-+) 40.Qg3 c4 (better 40...Qgf6!? 41.Qg5 Q5g5 42.hg5 Kg5 43.f3 Qd8 44.Kh3 Qd7 45.Kh2 Rb2 46.Kg3 h4 47.Kh2 Qd2 48.f4 Kg4 49.e4 Qg2) 41.Rd4 Re5 (41...c3!? 42.Rc4-+) 42.Rf4 (42.Rc4 Ra5 43.Rf4 Qb1-+) 42...Qe6 43.Rd4 Rf5 (better 43...c3 44.e4-+) 44.Rd1 Qee5 (better 44...Qge5!? 45.Qe5 Qe5 46.Kg1-+) 45.f4 Qef6 (better 45...Qe7 46.Rd4-+) 46.Qf3 (46.Rc1 Qe6 47.a6 Qb2-+) 46...c3 (46...Qh4 47.Kg1 Qc3 48.Rf1 Ra5 49.Qg3 Qg3 50.Rf2 Ra1 51.Rf1 Rf1 52.Kf1 Qge1) 47.g3 c2 48.Rc1 Rc5 (better 48...Qb2 49.Qh1 Ra5-+) 49.Rc2 Rc2 50.Kh3 (50.Qf2 Rf2 51.Kg1 Rd2 52.g4 Qa1) 50...Qa1 (50...Qe6 51.g4 hg4 52.Kg3 Qa1 53.Qf2 Qh1 54.Qc2 Qe3 55.Kg4 Qef3) 51.Qg2 (51.g4 hg4 52.Kg4 Qg1 53.Qg3 f5 54.Kh3 Qf1 55.Qg2 Qg2) 51…Qe1 (51...Qe1 52.g4 Qe3 53.Kh2 Qf4 54.Kh1 Qa1 55.Qf1 Qaf1; 51...Rg2 52.Kg2 Qgb2 53.Kf3 Qh1) 0-1. pacalmisu (2350) - Wieczoorxd (2590), Rated Blitz game, lichess.org, 2016.

9.cd5 Nd5 10.Be2 Bf5 11.0-0 Rab8 (11...Rfd8 12.Qb3+=) 12.d4 (12.Nc3 Bc3 13.Bc3 Nc3 14.dc3 Rbd8=) 12...Rfe8 (12...h6!?+=) 13.Qb3= Be6 14.Bc4 Nb6 15.Be6 Qe6 16.Qc2 Rbd8 17.Nc3 Qg6 18.Qg6 hg6 19.Rfc1 f6 20.Rab1 a6 21.Nd2 Kh7 (21...Kf7 22.Nb3 Bc3 23.Rc3=) 22.Nb3+= Bc3 23.Bc3 Na4 24.Be1 Rd7 25.g3 (25.Na5 Na5 26.Ba5 b6+=) 25...Rc8 (25...Rd5 26.Kg2 Re6 27.h4+=) 26.h4 Na7 27.Kg2 Kg8 (27...Rb8 28.Rc4 Nb6 29.Nc5+/–) 28.Na5+/– b6 29.Nc6 Ra8 30.Na7 Ra7 31.Rc6 1–0. forsetinn (2225) – chandragupta (2170), gameknot.com, 2014.

9.cd5 Nd5 10.Be2 Bf5 11.Qb3 Rad8 12.Nc3 (12.Qb7 Qd6 13.Bb5 Nde7 14.Bc6 Nc6-/+) 12...Be6 13.Qc2 Nc3 14.Bc3 Bd5 15.0-0 Bc3 16.Qc3 Rd6 17.Rfc1 Rfd8 18.Rab1 (18.d4 a6=) 18...Bf3 19.Bf3 Rd2 20.Bc6 bc6 21.Qc6 Qa3 22.Qc7 Qd3 23.g3 (23.h3 Qf5 24.Qg3 a5=) 23...h6 (23...Qf5 24.Rf1 Qd7 25.Rb7 Qc7 26.Rc7=) 24.Qa7 Qf5 25.e4 (25.Rf1 Rf2 26.Rf2 Qb1 27.Rf1 Qg6=) 25...Qe4 26.Rb8 Qf3 1-0. Mehlhorn,Uwe (2150) - Mantovanelli,Marco (2200), GER Cup6 Pyramid email, 2012.

9.cd5 Nd5 10.Be2 Bf5 11.Qb3 Rfd8 12.Nc3 Be6 13.Qc2 (worse is 13.Qb7 Rab8 14.Qc6 Rb2-/+) 13...Nc3 14.Bc3 Rd6 15.0-0 Rad8 16.Rfd1 Bc3 17.Qc3 b6 18.Rac1 Bd5 19.d4 Rh6 20.Ne1 g5 (20...Qd6 21.h3=) 21.h3 Qe6 22.Bg4 f5 23.Bf3 Rd6 24.Bd5 Qd5 25.Qc4 g4 (25...Qc4 26.Rc4 a5 27.Rdc1+=) 26.Qd5+= Rd5 27.hg4 fg4 28.Rc3 Rdh5 29.Kf1 Ra5 30.Rdc1 Ne7 31.Rc7 Kf8 32.e4 Ra3 33.d5 g3 (33...Ra4 34.f3+=) 34.fg3+/– Re3 35.Rd1 (35.Ra7?! Re4 36.Rd7 Ke8=) 35...Rd6 36.Rd4 Ra3 37.Nc2 Rg3 38.Kf2 Rg5 (38...Rb3 39.Ra7 Rf6 40.Ke2+–) 39.Ra7 Rf6 40.Kg1 Ng6 41.Rc4 Rf7 42.Rc8 Kg7 43.Rf7 Kf7 44.Ne3 b5 45.Rc7 (45.Rc7 Kf6 46.d6+–) 1–0. forsetinn (2220) – rcm06 (2140), gameknot.com, 2014.

9.Be2 Be6 10.0-0 dc4 11.Bc4 Bc4 (12.d3 Rfd8-+) 0–1. Miner,Allen – Conde,Jose Antonio, EMAIL UECC, 1999.

9.Bb5 Qc5 10.Bd3 Re8 11.Qc2 Qc2 12.Bc2 Ba5 13.a3 Bg4 14.Ng5 h6 15.Ne4 Rad8 16.0-0 Bf5 17.d3 Be4-/+ 18.de4 Nb6 19.Bc3 Nc4 20.Ba5 N6a5-/+ 21.Nc3 c6 22.Rfd1 Rd1 23.Bd1 Rd8 24.a4 Rd2 25.Kf1 Kf8 26.Ke1 Ke7 27.Rc1 Rb2 28.Rc2 a6 29.Rb2 Nb2 30.Bc2 b5 31.ab5 ab5 32.Ne2 b4 33.Nd4 g6 34.Kd2 Nbc4 35.Kc1 c5 36.Nf3 Nb6 37.Bd1 c4 38.Nd4 Kd6 39.h4 b3 40.Nb5 Kc5 41.Nc3 Kb4 42.Kd2 Na4 43.Na4 Ka4 44.Kc3 Ka3 45.f4 Ka2 46.e5 h5 47.e4 ½–½. Mathioudakis,Diana – Montalta,Benedikt, IECG, 2000.

9.Be2 Bd6 10.0-0 Ne5 11.Ne5= Be5 12.d4 Bd6 13.Bf3 c6 14.e4 Nf4 15.Nc3 Rd8 16.Qc2 Qg5 17.e5 Be7 18.Ne4 Qh6 19.Rad1 Qe6 20.Nc5 Qg6 21.Be4 Bf5=+ 22.f3 Be4 23.fe4 Nh3 24.Kh1 Ng5 25.Nb7= Ne4 26.Qe2 Rd5 27.Rd3 Rb5 28.Rb3= a6 29.Re1 Ng5 30.Bc3 Ne6 31.Qf3 Nc7 32.Rf1 Nd5 33.Be1 Rf8 34.Bg3 Qe6 35.Nd6 Rb3 36.Qb3 h5 37.Nf5 Re8 38.Qb7 Qc8 39.Qa7 Qa8 40.Qd7 Qc8 41.Qa7 Qa8 42.Ne7 Ne7 43.Qc5 Qb7 44.e6 f5 45.Qd6 Qb5 46.Re1 Qa5 47.Qd7 Kf8 48.Re5 Qd8 49.Rf5! Kg8 50.Re5 Rf8 51.h3 Ng6 52.Qd8 Rd8 53.Rg5 h4? 54.Bc7 Rc8 55.Bd6 Kh7 56.Kg1 Re8+/– 57.e7 Kh6 58.Rf5 Kh7 59.Rf8 (59…Re7 60.Be7 Ne7 61.Kf2+–) 1–0. Fahrner,Kurt (2315) – Smole,Albert (2070), AUT–chT2S, 1995.

8.a3 Na5 9.cd5= Nd5 10.Nc3 Be6 11.Nd4 Qd7 12.Be2 Rad8 13.0-0 c5 14.Ne6 Qe6 ½–½. Franke,Roland (1895) – Bleul,Peter (1960), Gmuend tt, 1999.

8.a3 Be6 9.cd5 Nd5 10.Bb5 Bd7 11.d4 Ne5 12.Bd7 Nd7 13.0-0 c6 14.e4 Nf4 15.Bc1 Ng6 16.Nc3 Re8 17.Be3 Qa5 18.Qb3 Rad8 19.a4 Nb6 20.Rfb1 Rd7 21.Ne2 h6 22.Bd2+= Qa6 23.Ng3 Qc4 24.Bb4 Qb3 25.Rb3 Nh4 26.Be7 Nf3 27.gf3 Ree7 28.a5 Nc4= 29.Rc3 Nd6 30.a6 Nb5 31.ab7 Rb7 32.Rc4 Red7 33.Raa4 Rb6 34.e5 a6 35.f4 Nc7 36.f5 Nd5 37.Ra3 Rdb7 38.h3 Nf4 39.Kh2+= Kf8 40.Ne4 Rb3 41.Rca4 Ra3 42.Ra3 Ra7 43.Ra4 a5 44.Kg3 Nd5 45.Kf3 Ke7 46.Nc5 Nb6 47.Ra3 a4 48.Ke4 Ra8 49.h4 h5 50.Kd3 Ra5 51.Kc2 Ra8 52.Ra1 Kf8 53.Ra2 (53.Ra2 Ke8 54.e6=; 53.e6 Nc4 54.Ra4 Ra4 55.Na4 Ke7=). mrkt – paul1453, schemingmind.com, 2006.

8.a3 Bf5 9.d4 Re8 10.Nbd2 Ne4 11.cd5 Nd2 12.Nd2 Qd5 13.Qf3 Qf3 14.Nf3 Rad8 15.Rc1 Be4 16.Bc4 a6 17.Ke2 Rd6 18.Rhd1 Na5 19.Bd3 Bd5 20.Rc7+/– Rb6 21.Bc3 Nc6 22.e4 Bd6 23.Rd7 Nb8 24.Rd6 Rd6 25.Ne5 Bb3? 26.Rb1+– Be6 27.Rb7 Nc6 28.Nc6 Rc6 29.Kd2 Bc8 30.Ra7 Rf6 31.Ke3 h6 32.Bc4 g5 33.f3 g4 34.fg4 Bg4 35.Ba6 Bf5 36.e5 Rb6 37.Bc4 Bg6 38.Bb4 Reb8 39.Bd5 Rb5 40.Bf3 Rc8 41.d5 Rc4 42.Re7 Rb8 43.d6 Rd8 44.d7 Kg7 45.Ba5 Rb8 46.d8Q Rd8 47.Bd8 Rc3 48.Kf4 Ra3 49.Rc7 Ra4 50.Kg3 Bf5 51.Bd5 (51.Bd5 Kf8 52.Rf7 Ke8 53.Rf5 Kd8 54.e6+–) 1–0. Mehlhorn,Uwe (2315) – Goesmann,Stefan (1910), RSX9E – A00 – Sokolsky–2, 2004.

8.Nc3 d4 9.ed4 Nd4 10.Nb5? (better 10.Nd4 Qd4 11.Be2-/+) 10...Nf3-+ 11.Qf3 Re8 12.Be2 (12.0-0-0 Bg4 13.Qf4 Bd1 14.Kd1-+) 12...Bg4 13.Qd3 (13.Qb3 Be2 14.Ke2 Bc5 15.Kd1-+) 13...Be2 14.Ke2 (14.Qd8 Bd8 15.a4-+) 14...Bb4 15.Qe3 0-1. norba94 (2170) - Rek82 (2295), Rated Blitz game, lichess.org, 2015.

8.d4 Bf5 9.c5 h6 10.Bc3 b6 11.Bb5 Bd7=+ 12.cb6 cb6 13.0-0= Ne4 14.Bc6 Bc6 15.Ne5 Rc8 16.Nc6 Rc6 17.Bb2 Qc7 18.Nd2 Nd2-+ 19.Qd2 Rc2 20.Rac1 Rd2 21.Rc7-/+ Rb2 22.Re7 Ra2 23.Rd7 b5 24.Rd5 b4 25.Rb5=+ a5 26.Rb1 Rc8-/+ 27.Rc5? Rc5-+ 28.dc5 Rc2 29.Kf1 Rc5 30.Ke1 Rb5 31.Kd2 b3 32.Kc3 a4 33.Kb2 Rc5 ½–½. hal1958 – cccmember, playchess.de, 2003.

8.cd5 Qd5 9.Nc3 Qh5 10.Be2 Qg6=+ 11.0-0 a6 12.d4 Bh3 13.Ne1 Rfe8 14.Kh1 Bf5=+ 15.Bd3 Bd6 16.Bf5 Qf5 17.Qf3 Qg6 18.h3 Na5 19.Rd1 Nc4 20.Ba1 b5 21.Nd3 Rab8 22.Ne2 Ne4-/+ 23.Qg4 Qg4 24.hg4 c6 25.Ng1?? Ne3!-+ 0–1. Baeckstroem,Mikael (2295) – Vegjeleki,Adolf (2310), corr ICCF WSTT/3/06/1, 2006.

8.Be2 Be6 9.cd5 Nd5 10.0-0 Ndb4 11.a3 Nd3 12.Bd3 Qd3-/+ 13.Ne5 Ne5 14.Be5 c6 15.Qc1 Bd6 16.Bd6= Qd6 17.d4 Rac8 18.Qb2 b6 19.Nc3 Rfd8 20.Rfc1 Qe7 ½–½. Schmidbauer,Josef – Stutzke,Christian, Nord Bayern–ch, 2001.

8.Be2 Bf5 9.0-0 Nb4 10.Ne1 c5 11.a3 Nc6 12.cd5 Nd5 13.Nf3 Re8 14.Nc3 Nc3 15.Bc3 Bf6 16.Rc1 Bc3 17.Rc3 Nd4 18.Nd4 cd4= 19.Rc4 d3 20.Bf3 Qa5 21.Bb7+= Rab8 22.Bc6 Rec8 23.Rc3 Rb2= 24.Qc1 Rc2-/+ 25.Rc2 dc2 26.e4 Rc6 27.ef5 Qf5 28.Qb2 h6-+ 29.g3? Qd3 30.Rc1 Qd2 31.a4 Rc3 32.a5 a6 33.Kg2 h5 34.h4 Qd5 35.Kg1 Qc5 36.Kg2 Qd5?? 37.Kg1 Qd2?? 38.Kg2 Kh7 39.Kg1 f5 40.Kg2 f4 41.gf4 Qd5 42.Kg1 Qd4 43.Kf1 Qd3 44.Kg1 Rc6 45.Kh2 Qd2 (45...Qd2 46.Qc2 Rc2 47.Rc2 Qc2-+) 0–1. Franke,Roland – Schaefer,Guenter, Friedrichroda, 1997.

8.Bf6 gf6 9.cd5 Qd5 10.Nc3 +=.

8.Bf6 Bf6 9.d4 dc4 10.Bc4 Bg4=+.

9.cd5 Qd5 10.Nc3 Qh5 11.Be2 Bd6 12.Nb5 Bf3 13.gf3 Qg5 14.Nd6 cd6 15.Qb3 Qg2 16.Rf1 Ne5 17.e4 Qh2 18.d4 Ned7 19.Kd1 b6 20.Rc1 Rac8 21.Qa4 a5 22.Rc6 h6 23.d5 Nc5 24.Qb5 Nfd7 25.Bd4 f5 26.Re1 Rcd8 27.Qb1 Rde8 28.Bf1 Qf4-/+ 29.Qb2 Qf3 30.Be2 Qe4 31.Rg1 Ne5 32.Rd6 Na4 33.Qa1-/+ Ng4 34.Bc4 Qf4 35.Rd7-/+ Rf7 36.d6= Qf3 37.Kd2 Ref8 38.Qa2 Qf4 39.Be3 Ne3 40.Bf7 Kh8 41.Ke1 Ng2! 42.Kf1 Qc1 43.Kg2 Qc6 44.Qd5 Qd7 45.Be6 Nc3 46.Bd7 Nd5 47.Rd1 Rd8 48.Bc6 Nf6 49.d7 h5 50.Re1? Ne4?? 51.f3= Nd6 52.Re8 Ne8 53.de8Q Re8 54.Be8 h4 55.f4 Kg8 56.Kh3 Kf8 57.Bb5 Ke7 58.Kh4 Kf6 59.a4 Kg6 60.Bc6 Kf6 61.Bd5 Kg6 62.Bf3 Kf6 63.Kh5 g6 64.Kh4 Kf7 65.Kg5 Kg7 66.Bd5 Kh7 67.Bf7 Kg7 68.Bg6 Kf8 69.Bf5 Ke7 70.Be4 Kd6 71.f5 Ke5 72.f6 Ke6 73.Kg6 Ke5 74.f7 Ke4 75.f8Q Kd5 76.Qf5 Kc6 1–0. Fritz 8 – Doctor? 3.0, 2004.

9.cd5 Qd5 10.Be2 Bf5 11.d4 Qa5 12.Nbd2 Qb6 13.Nc4 Qb5 14.0-0 Rfd8 15.Bd3 Bd3 16.Qd3 Na5 17.Nfe5 Nc4 18.Nc4 c5 19.a4 Qc6 20.Ne5 Qe6 21.Qb5 a6 22.Qe2 Rac8 23.Rac1 Qa2 24.Ra1 Qb3 25.Ba3 Ne4 26.Rfb1 Nc3?? 27.Qd3 Qe6+= 28.Rb7 Na4 29.Rd1 Nc3 30.Re7 Qe7-/+ 31.Qc3 Qe5! 32.Rc1 Qe4 33.Bc5 Ra8 34.f3 Qe6 35.e4 Qf6 36.d5 Qc3 37.Rc3 a5 38.d6 f6 39.Kf2 Kf7 40.Ke3 Ke6 41.Kd4 Rd7 42.f4 a4 43.f5+= Kf7 44.Rh3 h6 45.g4 Ra6 46.Kd5 Ke8 47.Rc3 Rb7 48.h4 Rb3 49.Bd4 Rc3-+ 50.Bc3 a3 51.e5 fe5 52.Be5?? Ra5 53.Kc6 Re5 54.d7 Ke7 55.Kc7 0–1. EXchess 3.11 – Doctor? 3.0, 2004.

9.cd5 Nd5 10.Be2 Qd7 11.0-0 Rfe8 12.d4 Bd6 13.Nc3 Nc3 14.Bc3 Bf5 15.Qb3 Nd8 16.Rfc1 c6 17.Bb4 Bc7 18.Bd3 Bd3 19.Qd3 Ne6 20.Qf5 Rad8 21.Ng5 Ng5 22.Qg5 Qe6 23.h3 h6 24.Qc5 a6 25.Qa7 Qd7 26.Rab1 Ra8 27.Qc5 a5 28.Bd2 Bd6 29.Qc3 a4 30.Qb2 b5 31.Bb4 Bc7 32.Qe2 Rad8 33.Qc2 Re6 34.Qc5 Rde8 35.Qf5 g6 36.Qc5 Rd6 37.Rc2 f5 38.Qa7 Rd5 39.Qa6 Re6 40.Qa8 Qd8 41.Qa7 Bb6= 42.Qb7?? Rd7-+ 43.Rc6 Rb7 44.Re6 Qg5 45.Rc6 Bc7 46.Rbc1 Bb6?? 47.Rb1 Rb8?? 48.Bd6= Rb7 49.Bb4?? (better is 49.Rb5 Qd8 50.Bc5 Bc5 51.Rb7+=) ½–½. Comet B25 – Fritz 5.32, 2004.

9.cd5 Nd5 10.Be2 Qd7 11.0-0 Bf5 12.Bb5 Bf6 13.Bf6+= Nf6 14.Qa4 Bd3 15.Bc6 Qc6 16.Qc6 bc6 17.Rc1 Rab8 18.Ne5 Rb1 19.Rab1+– Bb1 20.Rb1 Re8 21.Nc6 Ne4 22.d4 f5 23.Rb7 Nd6 24.Ra7 f4 25.a4 fe3 26.fe3 Re3 27.Rc7 Ra3 28.a5 Nf5 29.Kf2 Ra2 30.Kf3 Nh4 31.Ke4 Ng2 32.d5 Re2 33.Kf3 Rd2 34.a6 Ne1 35.Ke3 Rh2 36.a7 Ra2 37.Rc8 Kf7 38.a8Q Ra8 39.Ra8 h5 40.Kd2 Ng2 41.Ra7 Kf6 42.d6 Nf4 43.d7 Ne6 1–0. Fritz 8 – Doctor? 3.0, 2004.

9.Bb5 Qd6=+.

9.d3 Re8 10.Be2 Bb4 11.Nbd2 Nc3 12.Bc3 Bc3 13.Rc1 Bb4 14.0-0 Bg4 (14...Bg4 15.d4 Rb8=). Bakkers,Max – Bothe,Erhard, corr SOK–90–57, 1990.

9.Be2 Bd6 10.Nc3 Nc3 11.Bc3 Bf5 12.Qb3 Rb8 13.0-0 Re8 14.d4 h6 15.Bc4 Bg6 16.Rfe1 a6 17.e4 b5 18.Bd3 Bf8 19.d5 Ne7 20.Ne5+/– Rb6 21.Bd4 Rb7 22.Rac1 Nc8? 23.Ng6+– fg6 24.Rc6 g5? 25.Rg6 Nd6 26.e5 Qd7 27.e6 Qc8 28.Qc3 c5 29.dc6 Rc7 30.e7! Rce7 31.Re7 Re7 32.Rd6 (32.Rd6 Rf7 33.Rg6+–) 1–0. Graf,Michael – Geldner,Werner, Ostalb–ch Schwaebisch Gmuend, 1998.

9.Be2 Be6 10.0-0 -/+.

9.Be2 Bf6 10.d4=+ Be6 11.0-0=+.

9.Be2 Bf6 10.d4= Re8 11.0-0 Qe7 12.Nbd2 Bf5 13.Qb3 Nb6 14.Rac1 Be6 15.Bc4? Na5-+ 16.Qd3 Nac4 17.Nc4 Nc4 18.Rc4 Bc4 19.Qc4 c6 20.Rc1 Qe4 21.Nd2 Qd5 22.e4? Qc4 23.Rc4 Rad8 24.f3 c5 25.Nb3 cd4 26.Bd4 Bd4 27.Nd4 Rd7 28.Kf2 a6 29.a4 g6 30.g4 Red8 31.Ke3 Kg7 32.g5 h6 33.h4 h5 34.f4 b5 35.ab5 ab5 36.Rb4 Ra8 37.Rb5 Ra3 38.Rb3=+ Rb3 39.Nb3 Ra7 40.Nd4 Ra3 41.Kf2 Ra2 42.Ke3 Ra1 43.Kf2 Ra3 44.Ke2 Kf8 45.e5 Ke7 46.Kf2 Rd3 47.Nf3 Ke6 48.Ke2 Rd5 49.Ke3 Kf5-+ 50.Nh2 Ra5 (50...Ra5 51.Nf3 Ra3 52.Ke2 Kf4-+) 0–1. Reimer,Karl – Meinhardt,Roland, Bad Bergzabern, 1997.

9.Be2 Bf6 10.Bf6 gf6 11.d4+/-.

9.Be2 Bf6 10.Bf6 Qf6 11.d4 Bg4 12.0-0 Rfe8 13.Nfd2?? (better is 13.Qb3 Nf4 14.Bd1 Nh3 15.Kh1=) 13...Be2-+ 14.Qe2 Nd4! 15.Qc4 (15.ed4 Re2) 15...Nc6 (better is 15...Ne2! 16.Kh1 Nb6 17.Qe2 Qa1-+) 16.Na3 Nb6 17.Qf4 (better is 17.Qc2!?–/+) 17...Qf4-+ 18.ef4 Rad8 19.Nb3 Nd4 (better is 19...Nd5!?-+) 20.Nd4–/+ Rd4 21.g3 c6 22.Nc2 Rd2 23.Ne3 Nd5 24.Nc4 Rc2 25.Rfe1 Re1 26.Re1 g5 27.Nd6 gf4 28.Nb7 fg3 29.hg3 Ra2 30.Nd6 a5 31.Nf5 f6 32.Rc1 Nb4 33.Ne7 Kf7 34.Nc6 Nc6 35.Rc6 a4 36.Rc7 Kg6 37.Ra7 h5 38.Kg2 a3 39.Kf3 Kg5 40.Ra5 f5 41.Kg2 Ra1 42.Ra4 a2 43.f3? (43.Kf3!?=+) 43...h4 (better is 43...f4 44.Ra5 Kf6 45.gf4 h4-+) 44.gh4–/+ Kh5 45.Kf2?? (better is 45.Kh2–/+) 45…Rh1-+ (46.Ke3 a1Q 47.Ra1 Ra1-+) 0–1. hal1958 – cccmember, HCL–A1276 playchess.de, 2003.

9.Bc4 a6 10.a3 b5 11.Bb3 (11.Be2 Be6=+) 11...Na5 12.0-0 Nb3 13.Qb3 c5 14.Nc3 1-0. Haroldlee123 (1890) - Hullplayer50 (2080), ChessWorld.net, 2016.

9.Bc4 Bg4 10.0-0 Ne4 11.d4= Bd6 12.Nbd2 Nd2 13.Qd2 Bf3 14.gf3 Qg5 15.Kh1 Qh4 16.f4 Ne7 17.Rg1 Nf5 (17...Rae8 18.Rg2=) 18.Rg5 g6 19.Rag1 Be7?? (better 19...Ne7+=) 20.Rf5+- Kh8 (20...Kg7 21.Qe2 Bd6 22.Rb5+-) 21.Rf7 Rf7 22.Bf7 Kg7 23.Be6 Kf6 (23...Kf8+-) 24.d5 1-0. Edosyan_ekb66 (1950) - alessandrocarvalhaes (1900), lichess.org, 2020.

8.Be2 Bf5 9.0-0 dc4 10.Bc4 Na5 11.Be2 Nc6 12.Bc4 Na5 13.Be2 Nd5 14.Nc3 Nc3 15.Bc3 Bc3 16.dc3 Be4 17.Qa4 Nc6 18.Rad1 Qe7 19.Nd2 Rad8 20.Ne4+/– Rd1 21.Rd1 Qe4 22.Qe4 Re4 23.Bf3 Re8 24.Rb1 Na5 25.Bb7 Rb8 26.Be4 Rb1 27.Bb1 c5 28.Bd3 c4 29.Be4 h5 30.h3 h4 31.Kf1 g5 32.Ke2 Kg7 33.Kf3 f6 34.Kg4 Kh6 35.f4 a6 36.fg5 fg5 37.Bd5 Kg6 38.e4 Kf6 39.Kf3 Ke5 40.g3 hg3 41.Kg2 Kf4= 42.a3 Nb3 43.Bc4 Nd2 44.Bd3 a5 45.e5! Nf3?? 46.e6+– Ne1 47.Kf1 g2 48.Kf2 g4 49.hg4 Kg4 50.Be2 Kh3 51.Kg1 Kh4 1–0. COMP – COMP, 2002.

9.Bc4 Bg4 10.0-0 Qe7=+ 11.Be2 Rad8 12.d4 Nd5 13.Qc2 Ne3! (14.fe3 Qe3 15.Rf2 Bf3 16.Bf3 Nd4-+) 0–1. marekt – twixie368, ChessWorld.net, 2004.

10.Be6 Re6 11.0-0=+.

10.Be2 Bf5 11.0-0 Qd6 12.a3 Ba5 13.Nh4 Ne7 14.Nf5= Nf5 15.Qc2 Nh4 16.Qa4+/– Qb6 17.Bc3 Bc3 18.Nc3 g5 19.Rab1 Qc6 20.Qc6 bc6 21.Rb7 Re7 22.f4 g4 23.e4! Ne4 24.Ne4 Re4 25.Bg4 f5 26.Bh3 Ra4 27.Rb3 Rd8 28.g3 Ng6 29.Bf5 Rd2 30.Be6 Kg7 31.f5 Nf8 32.f6 Kg6 33.Re3 Ra5 34.Bc4+– Rc5 35.Rf4 Nd7 36.f7 Rd1 37.Bf1 Nf8 38.Re8 Kg7 39.Ra8 a5? 40.Rg4 Kf7 41.Rf4 Kg7 42.Raf8 1–0. Wisniewski,Jan – Wojtczak,Krzysztof, corr 2. AMM Poland, 1993.

11.0-0 a6 12.d3 Bd6 13.Nbd2 Qd7 14.Ne4 Be7 15.Rc1 Rad8 16.Nc5 Bc5 17.Rc5 b6 18.Rc1 Ndb4 19.a3+= Nd5 20.Ng5 b5 21.Bf3 Bf5? 22.e4+– Nce7 23.ef5 Qf5 24.Nh3 Nf4 25.Nf4 Qf4 26.Re1 Nf5 27.Bb7 a5 28.Rc5 Re1 29.Qe1 a4 30.Bc1 Qg4 31.Bf3 Qg6 32.Be4 b4 33.Bf5 Qh5 34.ab4 (34.ab4 Kf8 35.Be4+–) 1–0. Fritz 8 – Fritz 5.32, 2004.

11.0-0 a6 12.d3 Bd6 13.Nbd2 Qd7 14.Ne4 Be7 15.Nfg5 Bf5 16.Qb3 h6 17.Nf3 Bb4 18.a3= Na5 19.Qc2+= Bd6 20.Nd6 Qd6 21.Nd4 Qg6? 22.Nf5+– Qf5 23.e4 Qe6 24.ed5 Qe2 25.Qc3 f6 26.Rfe1 Qg4 27.Qa5 Re2 28.h3 Qh5 29.Re2 Qe2 30.Qc3 Re8 31.Qb3 Kh8 32.Qb7 Qd3 33.Rc1 Re7 34.Bc3 Re2 35.Bf6! gf6 36.Qc8 Kh7 37.Rc7 Re7 38.Re7 Kg6 39.Qg4# 1–0. Fritz 8 – Fritz 5.32, 2004.

11.0-0 a6 12.d3 Qe7 13.a3 Bd6 14.Nbd2 Rad8 15.Ne4 Rc8 16.Qa4 Nb6 17.Qc2 f6 18.Rfb1 a5 19.Nd6 cd6 20.Qd1 Nd5 21.Nd4 Nd4 22.Bd4 Nc3 23.Bc3 Rc3 24.Qa4 Ra8 25.Bf3 Rc7 26.Qb5 Qf7 27.d4 Bc4 28.Qf5 Be6 29.Qf4 d5 30.Rb5 Rac8 31.h3 a4 32.Rab1 Qd7 33.R1b4 Rc1 34.Kh2 R8c7 35.Ra5 R1c2 36.Bd1 g5?? 37.Qf6+– R2c3 38.Rb6 Bf5 39.Rd6 Qd6 40.Qd6 Rf7 41.Qd8 (41.Qd8 Kg7 42.Qg5 Bg6 43.Qe5 Kg8 44.Bf3+–) 1–0. Fritz 8 – Fritz 8, 2004.

11.0-0 Qd7 12.d3 Rad8 13.Qc2 Ba5 14.a3 Qd6 15.Nbd2 Qe7 16.Ne4 Bb6 17.Rfb1 f5 18.Ned2 f4 19.e4 Nf6 20.d4 Bd4 21.Bd4 Nd4 22.Nd4 Rd4 23.Rb7 Ne4 24.Nf3 Nc5 25.Nd4 Nb7 26.Ne6 Qf6 27.Rb1 Re6 28.Rb7 Qe5 29.Bc4 Qe1 30.Bf1 c6 31.Qf5 Qf2 32.Kf2 Rf6 33.Bc4 Kh8 34.Qc8 Rf8 35.Qf8# 1–0. Fritz 8 – Fritz 8, 2004.

11.0-0 Qd7 12.d3 Rad8 13.Qc2 Be7 14.a3 Nf6 15.Nbd2 Qd6 16.Rfb1 a6 17.Bf6+= Bf6 18.d4 Bc8 19.Bd3+/– g6 20.Ne4 Qe7 21.Nc5 b6 22.Na6 Qd6 23.Nd2 Be7 24.Rc1 Nd4+/– 25.ed4 Qd4 26.Bb5 Ba6 27.Be8 Re8 28.Nf3 Qf6 29.Qc7 Rc8 30.Qa7+– Rc1 31.Rc1 Bc4 32.Qd7 Be6 33.Qe8 Kg7+/– 34.a4 Qb2 35.Rf1 Bc5 36.Qb5 Qb5 37.ab5+/– Bc4 38.Rb1 Bd3 39.Rb3 Bc4 40.Rb2 Kf6 41.Nd2 Bd5 42.Rb1 h6 43.Re1 Kf5 44.Nf1 Kf4 45.g3 Kf3 46.Nd2 Kg4 47.Re5 Bb7 48.Ne4 Bd4 49.Re7 f5 50.Nf6 Bf6 51.Rb7 Bd4 52.Rd7 Be5 53.f4 Bc3 54.Rd6 Kh5 55.Kg2 Ba5 56.Kf3 g5 57.h3 g4 58.hg4 fg4 59.Kg2 Bc3 60.Rb6 Bb4 61.Rc6 Bd2 62.b6 Be3 63.b7 Ba7 64.Rc8 (64.Rc8 Kg6 65.Ra8 Kg7 66.Ra7 h5 67.b8Q Kg6 68.Qe5 h4 69.Qg5#) 1–0. Fritz 8 – Fritz 8, 2004.

11.0-0 Qe7 12.a3 Ba5 13.d3 Rad8 14.Qa4 Qd6 15.Rc1= Bb6 16.Nbd2 Qe7 17.Rab1 Ne3=+ 18.fe3 Ba2 19.Kh1 Bb1 20.Rb1 Be3 21.Nc4 Bc5 22.Nce5 Nd4 23.Re1 Qd6 24.Bd1 Re7 25.Re4 Ne6 26.Bb3+= f6? 27.Nd4+/– fe5 28.Ne6 Re6 29.Qc4 Kh8+= 30.Qe6 Qe6 31.Be6 Rd3 32.Bg4 Ba3 33.Be5+/– c5 34.Rf4+– c4 35.Rc4 Be7 36.Bd4 Bd8 37.Ba7 Rd6 38.Rc8 g6 39.Bc5 Rd2 40.Bb6 Kg7 41.Rd8 (41.Rd8 Rd8 42.Bd8+–) 1–0. Fritz 8 – Fritz 8, 2004.

11.0-0 Bf5 12.a3 Bd6 13.d4 Qf6 14.Qb3 Rad8 15.Bb5 Qg6 16.Rc1 Bh3 17.Nh4 Qg5 18.Rc6? bc6-+ 19.Bc6 Qh4 20.Be8 Qg5 21.Bf7 Kf7 22.g3 Re8 23.Nc3 Be6 24.Ne4 Qf5 25.Nd6 cd6 26.Re1 Nf6 27.Qa4 Ne4 28.Re2 Re7 29.Qb4 Ng5 30.d5 Bd5 31.e4 Re4 32.Qc3 Nf3 (32...Nf3 33.Kg2 Re2 34.Qg7 Ke8 35.Qh8 Kd7 36.Qg7 Kc6 37.Qc3 Kb7 38.Qb3 Bb3 39.Bc3 Nh4 40.gh4 Qf2 41.Kh3 Be6; 32...Re2 33.Qg7 Ke8 34.Qh8 Kd7 35.Qg7 Bf7 36.Qf7 Nf7 37.Bd4 Qb1 38.Kg2 Qe4 39.Kh3 Ng5) 0–1. EXchess 3.11 – Crafty 19.01, 2004.

11.0-0 Bf5 12.Nc3 Nc3 13.dc3 Bd6 14.c4 b6 15.Qd5 Qd7 16.Rad1 Rad8 17.Qb5 Be4 18.c5 bc5-/+ 19.Qc4 Rb8 20.Bc3 Qg4 21.h3 Qg6 22.Nh4 Qg5 23.Nf3 Bf3 24.Bf3 Ne5 25.Qe2 Nf3 26.Qf3 Be5 27.Be5= Re5 28.Rd7 Re7 29.Rfd1 Rd7 30.Rd7+= Rb1 31.Kh2+/– Qe5 32.g3 Qe8 33.Qe4! Rh1?? 34.Qh1+– Qb8 35.Qd5 Qe8 36.Rd8 Qf8 37.Rf8 Kf8 38.Qd8# 1–0. Fritz 8 – Fritz 5.32, 2004.

11.0-0 Bf5 12.Nc3 Qd6 13.Nb5 Qd7 14.a3 Bc5 15.d3 Be3 16.fe3 Ne3 17.Qd2 Nf1 18.Rf1 Bg4 19.Bd1 f6 20.Qf4+/– Rac8 21.Ng5! Bd1 22.Qc4 Kf8?? 23.a4 a5 24.Ba3 Nb4+/– 25.Nh7 Ke7 26.Rd1 Kd8 27.Bb4 ab4 28.Qb4 Qe7 29.Qd4 Qd7 30.Qf2 Qg4 31.Rb1 Rh8? 32.Re1 Rh7?? 33.Qc5 Qe2 34.Re2 g6 35.Qd5 Rd7 36.Qg8 1–0. Fritz 8 – Fritz 6, 2004.

9.cd5 Nd5 10.0-0 Qe7 11.a3 Ba5 12.Qc2 Bg4 13.Nc3 Nc3 14.Bc3 Bc3 15.Qc3 Ne5 16.Rfc1 Bf3=+ 17.Bf3 Nf3 18.gf3 Qg5 19.Kf1 c6 20.Rab1 Re7 21.Ke2 g6 22.Qd4 Qa5 23.Qb4 Qa6 24.d3 Rd7 25.Rb3 Rad8 26.Qc4 Qa5 27.Qc5 Qc5 28.Rc5 Kf8 29.h4 h5 30.f4 Ke7 31.f5+= Kd6 32.Rbc3 Ke7 33.fg6 fg6 34.Rg5 Kf6 35.f4 Rd5 36.e4 Rd4 37.f5 Rg8 38.Rc5 Ra4+/– 39.fg6 Rg6 ½–½. Melich,Jindrich – Rybak,Radek, Prague CZE, 1989.

9.cd5 Nd5 10.0-0 Bf5 11.a3 Be7 12.Nc3 Nc3 13.Bc3 Bd3 14.Bd3 White gets the initiative 14...Qd3 15.Qb1 Qb1 16.Rab1 b6 17.a4 a5 18.Rfc1+= Na7 19.Be5+/– Bd6 20.Bd6 cd6 21.Rb6 Nc8 22.Rbc6+– h6 23.Nd4 Rd8 24.Nb5 d5 25.Nc7 Rb8 26.Nd5!! +–. Adam,Stefan – Rosner,Dirk, corr SOK–90–54, 1990.

9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.c4).

9.cd5 Nd5 10.0-0 Be6 11.Bb5 Qd6 12.Nd4 Bd7 13.Bc6 bc6 14.a3 Ba5 15.Qa4 Bb6 16.Qc4 Qg6 17.Rc1 Bh3 18.Qf1 c5 19.Nf3 Qh5 20.d3 Qf3 21.gf3 Bf1 22.Kf1 Rab8 23.Nd2 Ba5 24.Nc4 Bb6 25.Rab1 Rb7 26.Be5 Reb8 27.a4 a6 28.a5 Ba7 29.Rb7 Rb7 30.Ke2 f6 31.Bb2 Kf7 32.f4 g6 33.f5 gf5 34.f4 h5 35.h3 Bb8 36.Rg1 c6 37.Rc1 Bc7 38.Bc3 Nc3 39.Rc3 Rb1 40.Ra3 Ke6 41.Kf3 h4 42.Kf2 Kd5 43.Kg2 Rc1 44.Nb6 Ke6 45.Kf2 Rc2 46.Kg1 Re2 47.Nc4 Kd5 48.Ra1 Rc2 49.Nb6 Kd6 50.Ra3 Ke6 51.Nc4 Re2 52.Ra1 Kd7 53.Ra3 Kc8 54.Kh1 Re1 55.Kg2 Rb1 56.Kh2 Rc1 57.Ra2 Kd7 58.Kg2 Rb1 59.Kf2 Rd1 60.Ra3 Rh1 61.Kg2 Rb1 62.Ra2 Rb3 63.Rd2 Ke6 64.Kf2 Rb1 65.Ra2 Kd5 66.Ra3 Rh1 67.Kg2 Re1 68.Kh2 Bd8 69.Ra2 Rd1 70.Ra3 Rc1 71.Nb6 Ke6 72.Nc4 Rc2 73.Kh1 Re2 74.Ra1 Kd5 75.Kg1 Rc2 76.Rf1 Ra2-/+ 77.Rf2 Ra1 78.Rf1 Ra4 79.Kg2 Ba5 80.Rg1 Ra2 81.Kf3 Bb4 82.Rg2 Rg2 83.Kg2 a5 84.Kf3 Ke6 85.Nb6 Kd6 86.Ke2 Kc7 87.Na4 Kd7 88.Nb6 Kd6 89.Kd1 Ke6 90.Kc2 c4 91.Nc4 a4 92.Kb2 Bf8 93.Nd2 Bc5 94.Nc4 Bb4 95.Ka2 Kf7 96.Nb2 Bc5 97.d4 Bb4 98.Nc4 Ke6 99.Nb6 Be1 100.Kb2 Bf2 101.Nc4 Kd5 102.Kc3 Ke4 103.Kd2 a3! 104.Ke2 a2 105.Nd2 Kd5 106.Nb3 Kc4 107.Na1 Kc3 108.Kd1 0–1. Fritz 8 – Fritz 5.32, 2004.

8.a3 Bd6 9.Nc3 dc4 10.Bc4-/+.

8.Ba3 Re8-/+ 9.Bb4 (9.Qb3 a5-/+) 9...Nb4 Black is in command 10.Nd4 (10.Na3 c5 11.Qb3 Qa5-/+) 10...Nd3 11.Bd3 Bd3 12.Qb3 (12.cd5 Nd5 13.Nc3 Ne3 14.de3 Qd4 15.Rc1-+) 12...dc4 (12...Bc4?! 13.Qb7 Nd7 14.Nb3-+) 13.Qb2 c5 14.Ne2 Be2 15.Ke2 Qd3 16.Ke1 b5 17.f3?! (17.Nc3 a6 18.Rc1-+) 17...Re3 (better 17...b4 18.Kf2 c3-+) 18.de3-/+ (18.de3 Qe3 19.Kf1-/+). petrobbo (1945) - jmca (2115), ChessWorld.net, 2010.

8.Qb3 Rb8 A) 9.Nc3 Be6 (9...dc4 10.Bc4 Bd6 11.Nd5 Nd5 12.Bd5=+) 10.Rd1 Re8 11.cd5 Nd5 12.Qc2-/+; B) 9.a3 B1) 9...Be7 10.cd5 (10.Qc3 Be4 11.Ng5 Bg6 12.Nf3=+; 10.Bf6 Bf6 11.d4 Na5 12.Qc3-/+; 10.d3 dc4 11.Qc4 Be6 12.Qc3=+) 10...Nd5 11.Nc3 Nb6 12.d4=+; B2) 9...dc4 10.Bc4 Bd6 11.Bf6 Qf6 12.Qc3=+; C) 9.cd5 Nd5 10.Nc3 (10.a3 Ba5 11.Nc3 Nf6 12.Bb5=+; 10.Nd4 Be4 11.Nc6 bc6 12.Qc4-/+; 10.Be2 Na5 11.Qd1 Re8 12.0-0=+) 10...Nf6 11.Bb5 a6 12.Bc6=.

8.Qb3 Qd6 9.Nd4 (9.a3 Ba5=) 9...Nd4-/+ 10.Bd4 c5 11.Bb2 (11.Bf6!? Qf6 12.Nc3=+) 11...Bb1-+ 12.Rb1 (12.Bf6 Bd2 (12...gf6?! 13.Rb1 Bd2 14.Ke2=+) 13.Ke2 A) 13...gf6?! 14.Rb1 dc4 15.Qc4=+ (15.Qb7?? Rfe8 16.Qb2 c3-+); B) 13...dc4 14.Qc4 Bd3 (14...gf6?! 15.Rb1 Rad8 16.Rd1=+; 14...Qf6?! 15.Rb1 Rfd8 16.f3-+) 15.Qd3 Qf6-+) 12...Bd2! 13.Ke2 (13.Kd2 dc4 Double attack (13...dc4 Passed pawn)) 13...dc4 14.Qc4 Rad8 15.Rd1 Qb6 (better 15...Nd5!? 16.Kf3 Nb6-/+) 16.Bf6= Qf6 17.Rd2 Rd2 18.Kd2 Qb2?? (better 18...Qf2 19.Qe2 Rd8 20.Kc2 Qf5 21.e4 Qe5=+) 19.Ke1?? (19.Qc2 Qb4 20.Ke2 Rd8+/-) 19...Qb1?? (better 19...Rd8 20.Bd3 Qa1 21.Ke2 Qh1 22.Bh7 Kh8-/+) 20.Ke2+/- Qb2 (better 20...Rd8 21.Qb3 Qg6+/-) 21.Ke1?? (better 21.Kf3+-) 21...Qb1?? (better 21...Rd8 22.Bd3 Qa1 23.Ke2 Qh1 24.Bh7 Kh8-/+) 22.Ke2= Qb2 23.Kf3 Qf6 24.Qf4 Qc6 25.e4 (25.Qe4 Qf6 26.Kg3 Qd6 27.f4 b6+-) 25...f5 (25...c4!? 26.Qf5 Qa6+/-) 26.Bc4+- Kh8 27.Bd5 fe4 28.Ke3 Qd5?? (better 28...Qe8 29.Qd6 b6+-) 29.Qf8 (29.Qf8 Qg8 30.Qc5 Qa2 31.Rc1 Qb3 32.Rc3+-) 1-0. AhmedSultanov (1865) - Dr_Ajedrez (1875), lichess.org, 2020.

8.Qb3 Be7 9.cd5 Nd5 10.Be2 Ndb4 11.Na3 Nd3 12.Bd3 Qd3 13.Qd3 Bd3 14.Ne5?? (better is 14.Rc1-/+) 14...Ne5-+ 0–1. onny555 (1845) – blakeridley (1955), gameknot.com, 2012.

8.Nc3 dc4 9.Bc4 Bd3 10.Bd3 Qd3 11.Qe2 Rad8 (11...Qc2!? 12.Nd1 Qf5=+) 12.Qd3= Rd3 13.0-0 (13.Nb5 Ne4 14.Ke2 Rd5 15.Nc7 Rd7=) 13...Rfd8=+ 14.a3 Ba5 15.Rfd1 Bc3 16.Bc3 Ne4 17.Rdc1 g5 Exerts pressure on the backward pawn 18.Ne5? (better 18.Rab1 b6 19.Ng5 Ng5 20.Bf6=+) 18...Ne5-/+ 19.Be5 c6 (19...Nd2?! 20.Rc7 R3d7 21.Bf6 Rc7 22.Bd8=) 20.Rab1 R8d7 (20...Ra3?! 21.Rb7 Nd2 22.h4=) 21.Bb8 (better 21.h3-+) 21...Nd2 (21...Rd2?! 22.f3 Nf2 23.Ba7=+) 22.Rb4 Ra3 23.g3 (23.h4 h6-+) 23...h6 24.Kg2 Ra2 25.Rd1 (25.g4 a5 26.Rd4 Rd4 27.ed4 Kg7-+) 25...a5 26.Rb6 a4 27.Be5 a3 28.Bc3 Rc2 29.Bd2 (29.Bf6 Kh7-+) 29...Rcd2 (29...a2 30.Rb4-+) 30.Ra1 a2 31.Rb3 (31.h4 Kg7-+) 31...Rc2 32.Ra3 (32.Kf3 Rdd2 33.Rb7 f5-+) 32...Rdd2 33.Kf3 (33.Rf1 b5-+) 33...Rf2 34.Ke4 b5 35.Ra8 Kg7 36.Ra7 (36.h4 b4 37.hg5 hg5-+) 36...b4 37.Kd3 (37.Rb7 Rb2 38.Ra2 Ra2 39.Rb4 Rh2 40.Rc4-+) 37...b3 (37...Rfd2 38.Ke4 Rc4 39.Ke5 Rd5) 38.Rb7 (38.Ke4 b2 39.R7a2 ba1R 40.Ra1 Rh2-+) 38...c5 (38...Rfd2 39.Ke4 Rc4 40.Ke5 Rd5) 39.Rb3 (39.h4-+) 39…c4 (39...c4 40.Kd4 cb3 41.Rg1 Rfd2 42.Ke4 Rc4 43.Ke5 Rc5 44.Ke4 f5 45.Kf3 g4 46.Kf4 Rf2) 0-1. fishissushi (1890) - Bomic (2030), Rated Blitz game, lichess.org, 2020.

8.Nd4 Nd4 9.Bd4 c5 10.Bb2 d4 11.Be2 (11.a3 Ba5 12.Be2 Bb1 13.Qb1 de3 14.0-0 Qd2 15.Bf3-+) 11...de3-+ 12.fe3 Bb1 13.Rb1 Ne4 14.Bc3? (14.0-0 Nd2 15.Rf2 Nb1 16.Qb1-+) 14...Bc3 15.dc3 Qf6 16.Bf3 Qc3 17.Ke2 Qc4 18.Qd3 (18.Ke1 Qc3 19.Ke2-+) 18...Qa2 (better is 18...Nc3 19.Kf2 Qd3 20.Rb2-+) 19.Ke1 Qf2 (19...Qf2 20.Kd1 c4 21.Qe4 Rfd8 22.Qd4 Qe3-+) 0–1. Rush,Bradley – Schulz,Hans_juergen (1770), OP–2011–0-01682, 2011.

8.Be2 Ba5 9.a3 (9.cd5 Nb4 10.0-0 Nbd5=) 9...Re8 10.0-0 Qe7 11.d4 dc4 12.Bc4 Rad8 13.Nc3 Bg4 (13...Ne4 14.Ne4 Be4 15.Qe2=) 14.h3 Bh5 15.Be2 Ne4 16.Ne4 Qe4 17.Rc1 Bg6 (17...h6 18.Qb3 Qd5 A) 19.Qb7? Nd4 20.Ba6 Nf3 (20...Bf3?! 21.Qd5 Rd5 22.Bd4=+) 21.gf3 Qf5-+; B) 19.Qd5 Rd5 20.Bc4 Bf3 21.gf3+=) 18.Qb3 Bb6 19.Rfd1 Qe7 20.d5 Na5 21.Qc3 (21.Qb4 Qd6+=) 21...f6 22.Bb5 Rf8 (22...c6!? 23.dc6 bc6 24.Bc6 Nc6 25.Qc6 Rd1 26.Rd1 Qc5+=) 23.a4+/- c5 24.dc6 (24.Ba3 Be4+/-) 24...Rd1 25.Rd1 Rd8? (better 25...bc6 26.Ba3 c5+=) 26.Rd7+- Rd7 27.cd7 a6?? (27...Nc6 28.Bc6 bc6 29.Qc6 Bf5 30.Qa8 Bd8+-) 28.Qc8 Qd8 29.Nd4 Bf7 (29...ab5 30.Ne6 Nc6 31.Bd4 Qc8 32.dc8Q Kf7 33.Qd7 Ne7 34.Bb6 Bf5 35.Bc5 g5 36.Qe7 Kg6 37.Qe8 Kh6 38.Bf8) 30.Bd3 (better 30.Ba3 Kh8 31.Bc5+-) 30...Bc7 (30...Nb3 31.Nf5 Kh8+-) 31.Ba3 (31.Ba3 g6 32.Be7 Kg7 33.Bd8 Bd8 34.Qd8 Nc6 35.Nc6 bc6 36.Qe7 Kh6 37.Qf7 c5 38.d8Q c4 39.Qdf6 cd3 40.Qh4) 1-0. Williams,Barry - Winfield,Alan, NZL North Island Championship round, 2000.

8.Be2 Qd6 9.0-0 Rae8 10.a3 Ba5 11.d4 dc4 12.Bc4 Rd8 13.Nc3 Bc3 14.Bc3 a6 15.Qb3 b5 16.Be2 Nd5 17.Bb2 Na5 18.Qd1 Nc4 The isolani on a3 becomes a target (18...Rfe8 19.a4 b4 20.Rc1=) 19.Bc4 bc4 20.Ne5 (better is 20.Qd2!?=) 20...c3-/+ 21.Bc1 c5 22.Nc4 Qc7 23.a4? (better is 23.Ne5-/+) 23...c2 (23...cd4!? 24.Qd4 Rfe8 25.f3 Ne3 26.Qe3 Re3 27.Ne3-+) 24.Qd2 cd4 25.Qd4 (25.Nb2 de3 26.fe3 Be4-+) 25...Rfe8 26.Bb2 f6 27.Rac1 (27.Nd2 Ne3 28.fe3 Rd4 29.Bd4-+) 27...Re4 (27...Re4 28.Qd3 Rh4-+ (28...Rc4?! 29.Qf5 Qc8 30.Qf3-+)) 0–1. cristero (2460) – pierred, net–chess.com, 2016.

8.Be2 Bd6 9.0-0=+ Nb4 (9...dc4 10.Bc4 Na5 11.Be2=+) 10.Nd4 Bd3 11.a3 Be2 12.Qe2 Na6 13.Nf5 dc4 14.Qc4 c6 (14...Re8 15.d3=) 15.Qh4 Nc7?? (better is 15...Ne8!?=) 16.Ng7! Kg7?? (16...Ncd5 17.Nh5 Bh2 18.Kh2 Qd6 19.Ng3 Rae8+–) 17.Qg5+– (17…Kh8 18.Bf6 (18.Qf6?! Qf6 19.Bf6 Kg8+/–) 18...Qf6 19.Qf6 Kg8 20.Qd6+–) 1–0. Franke,Heribert – Schubert, Dessau, 1994.

8.Be2 Re8 9.Qb3 a5 10.a3 a4 11.Qc2 Bc2 0–1. Brauch – Fischbach, 1993.

9.Qb3 Rb8=+.

9.Qb3 d4 10.Bd4= (worse is 10.Qb7 Qb8 11.Qb5 a6 12.Qb8 Rfb8 13.Nd4 Nd4 14.Bd4 Bb1-/+) 10...Nd4 11.Nd4 Bb1 12.Qb1 Bd2 13.Kd2 c5 14.Qb2 cd4 15.ed4 Ne4 16.Kc2 (16.Kc1!?+=) 16...Nf2-/+ 17.Rg1 Re8 18.Rc1 Re3 (18...Qf6 19.Kb1-/+) 19.Kb1 (19.g3 Qe7 20.Kb1 Ra3 21.Qf2 Qb4 22.Qb2 Rb3-+) 19...Ne4 20.Rc2 b5 21.cb5 Re1 22.Ka2 Rc8 23.Qb3 g6 0–1. Boehnke,Hartmut (2135) – Zundel,Werner (2300), EU/WS/M/003 ICCF, 2008.

9.Bc3 Ne4 10.Ba5 Na5 11.d3 Nc5 12.cd5 Qd5 Now all is on d3 13.d4 Ncb3 14.Nc3? (better 14.Ra2!?=+) 14...Qc6-+ 15.Rc1 Nc1 16.Qc1 Bg4 (16...Rfd8 17.Be2-+) 17.Be2 (17.Ne5 Qe6-/+) 17...a6 18.0-0 Nc4 (better 18...Qd6-/+) 19.Ne5? (better 19.h3 Bh5 20.d5=+) 19...Ne5-+ 20.de5 Be2 21.Ne2 Qc1 (21...Qb5!? 22.Ng3-+) 22.Rc1 Rac8 23.Nd4 Rfe8 24.f4 Red8 25.Kf2 c5 26.Nf5 Rd2 (26...Rc7 27.Nd6-+) 27.Kf3 (better 27.Ke1 Rd7 28.a4-+) 27...b5?? Black prepares c4 (better 27...Rc7-+) 28.Ne7+- Kf8 29.Nc8 c4 30.Nd6 Ra2 31.Rc3 Ke7 32.Ne4 a5 (32...Ra1 33.Nc5+-) 33.Nd6 Rb2 34.Nb7 (better 34.a4 Rb3 35.Nb5+-) 34...Rb3 35.Rb3?? (better 35.Rc1 Ra3 36.Nd6+-) 35...cb3-+ 36.Nc5 (36.Na5 b2-+) 36...b2 37.Nb7 (37.Nb3 b1Q 38.Nd4 b4 39.ab4 ab4 40.Nc6 Kd7-+) 37...b1Q 38.Na5 (38.Nd6 Qf1 39.Kg3 Qe2-+) 38...Qf1 (38...Qd1!? 39.Kg3 Qe1 40.Kf3 Qa5 41.h4-+) 39.Kg3 (39.Ke4 Qc1-+) 39…Qe1 (39...Qe1 40.Kg4 Qa5-+) 0-1. dannysmet (1970) - Simeonzaziki (2110), Rated Blitz game, lichess.org, 2020.

9.cd5 Qd5 10.Nc3 Bc3 (10...Qd6 11.Be2=+) 11.Bc3 (11.dc3 Qe4=) 11...Ne4=+ 12.Rc1 Rad8 13.Be2 Qa2 14.Ra1 Nc3 (14...Qe6!? 15.Qc1 Nc5=+) 15.Ra2= Nd1 16.Bd1 Rd5 17.d4 Rb5 18.0-0 Rd8 19.Bc2 Bg4 (19...Bc2 20.Rc2 Kf8 21.Rcc1+=) 20.Be4 (20.Ba4 Rb6 21.Bc6 bc6+–) 20...Ne7+= 21.Ne5 Be6 22.Rc2 c6 23.Nd3 Bf5 24.Bf5 Nf5 25.Rfc1 Nh4 (25...Nd6 26.Nc5+=) 26.Rb2 (26.a4 Rb3 27.Nc5 Rb4+–) 26...Rdd5 27.Rcb1 f6 (27...Nf5 28.Kf1+=) 28.a4 (better 28.Rb5!? Rb5 29.Rb5 cb5 30.e4+–) 28...Rb2+= 29.Rb2 b6 30.Nb4 ½–½. kovacic (2320) – FGordon (2150), ChessWorld.net, 2014.

9.cd5 Qd5 10.Bf6 gf6 11.Be2 Ne5 12.0-0 Nd3 13.Nd4 Rad8 14.Nf5 Qf5 15.f4 (15.Nc3 Rfe8+=) 15...b5 16.Qb3 a6 17.Nc3 c5 18.Rad1 c4 19.Qa2 Rfe8 20.Rf3 Bc3 21.dc3 Qc5 22.Bd3 Re3 23.Bh7? (23.Re3 Qe3 24.Qf2 Rd3 25.Rd3 Qd3-/+) 23...Kh7?? (better is 23...Kg7 24.Kf2 Rc3 (24...Rd1?! 25.Re3 Kh7 26.Qe2+=) 25.Kg3 Rf3 (25...Rd1?! 26.Rc3 Qd4 27.Rf3 Kh7 28.Qe2-/+) 26.Kf3 Rd1-+) 24.Rd4?? (better is 24.Qb1 Kg7 25.Re3 Qe3 26.Kh1 Rd1 27.Qd1-/+) 24...Rc3!!-+ 25.Rh3 (25.Rc3 Qd4 Double attack (25...Qd4 Decoy; 25...Qd4 Remove defender)) 25...Rh3 26.gh3 Qd4 (26...Qd4 27.Kf1 Qf4 28.Qf2 Rd1 29.Kg2 Rd2 30.Qd2 Qd2 31.Kf3 c3 32.h4 c2 33.Kg3 Qe3 34.Kg4 Qe4 35.Kg3 c1Q 36.h5 Qce3) 0–1. Frosinos,I (1960) – Gelashvili,T (2605), 1st Artemis Cup, Leros GRE, 2009.

9.cd5 Qd5 10.Bf6= gf6 11.Be2 (11.Nc3 Qe6+=) 11...Kh8 (11...Rfd8 12.0-0=) 12.Nc3 Qc5 (12...Qd7 13.Qb3+=) 13.0-0 (13.Qb3 Be6 14.Na4 Qd6 (14...Bb3? 15.Nc5 Bd5 16.e4+–) 15.Qb7 Rg8+=) 13...Bc3 14.Rc1 (14.dc3 Qc3 15.Qd5 Qc2=) 14...Qa3 15.Rc3 Qd6 16.Qb3 Be4 (16...Nb4 17.d4 Be6 18.Bc4+=) 17.Qa4 (17.d4 Rab8+=) 17...f5 (17...Rfe8 18.d4=) 18.Rfc1 (18.d3 Bd5=) 18...Rg8 19.d3 Bd5 20.Rc5 f6 (20...Ne5 21.Nh4 c6 22.d4=+) 21.Qa1 (21.Qb5 Rad8+=) 21...Ne7 (21...Rg7 22.d4=) 22.g3 (22.d4 Rg7+=) 22...c6= 23.Ra5 a6 24.Nd2 (24.Rb1 Rab8=) 24...f4=+ 25.e4 Bf7 26.e5 (26.Nc4 Qe6=+) 26...fe5 27.Re5 Threatening mate... how?. 27...Rg7 28.Ne4 Qc7 (28...Qd8 29.Re1=+) 29.Bh5 (29.Rg5 Ng6=+) 29...Bh5 (29...fg3 30.fg3 Bh5 31.Rh5 Qb6 32.Rhc5-/+) 30.Rh5=+ Ng6 (30...fg3 31.hg3 Qd8 32.Ng5 Qd3 33.Ne6+–) 31.Nf6 (31.Ng5 Nf8=+) 31...Nf8 (31...fg3 32.fg3 Rd8 33.Nh7=) 32.Rf5 (32.Nd5 Qd6 33.Nf4 Nd7=) 32...Ng6 (32...fg3 33.hg3 Qd6 34.Nh5+–) 33.Re1 (better 33.Rh5=) 33...Qf7?? (33...Nh4 34.Ne8 Nf5 35.Nc7 Rd8+–) 34.Nh5+– Do you see the mate threat? 34...Qc7 35.Rf6 (35.Qc3 Rd8+–) 35...Rag8 (35...Nh4 36.Rf4 Ng6+–) 36.Rfe6+– a5 (36...c5 37.Re8+–) 37.Re8 (37.R1e4 b6+–) 37...b5 (37...b6!?+–) 38.Qf6 Threatening mate: Rxg8 38...Qf7 39.Rg8 Kg8 40.Qc6 (40.Qg7?! Qg7 41.Ng7 Kg7=) 40...fg3 41.hg3 Nf8 (41...b4+–) 42.Ng7 Qg7 43.Qb5 Qg3 (43...Qd4+–) 1–0. Bonetti,Shane – Winiger,Albert, TT–09 ETC, 2003.

9.Be2 Qd6 10.0-0 dc4 11.Bc4 Ng4 (11...a6 12.d4=+ Rad8 13.Nc3 Bc3 14.Bc3=; 11...Rad8 12.d4 a6 13.Nc3 b5 14.Bd3=; 11...Nd5 12.Nc3 Nb6 13.Be2 Rad8 14.Nb5=) 12.d3 Rad8 13.h3 Nge5 (13...Nh6 14.Qb3=) 14.Ne5 Ne5 15.Be5 Qe5 16.d4 Qe7 17.Qb3 (17.Bd3 Bd3 18.Qd3 c5=) 17...c6 (17...c5 18.Qb5 Bb6 19.dc5 Bc5 20.Nc3-/+) 18.Qa4 (18.Rd1 Bc7=) 18...Bc7=+ 19.Qa7? (better is 19.Qb4 Bd6 20.Qa5=+) 19...b5-+ 20.Bf7 Rf7 (20...Rf7 21.Qc5 Qf6-+) 0–1. Schmerbach,K – Skrbek,F, corr, 1954.

9.Be2 Ne4 10.0-0=+ dc4 11.Bc4 Qd6 (11...Rb8 12.Qe2=+ (12.Nc3 Bc3 13.dc3 Qf6 14.Nd4 Ne5 15.Bd5 Rbd8 16.c4 c6) 12...Qd6 13.Nc3 Bc3 14.Bc3 a6 15.a4 Rfe8 16.Rac1 Be6; 11...Bg4 12.h3 Bh5 13.g4 Bg6 14.d3 Nd6 15.Bd5 h5 16.e4 Qd7; 11...a6 12.Nc3 Bc3 13.dc3 Qf6 14.Nd4 Ne5 15.Be2 Nc5 16.f3 Rfd8; 11...Qe7 12.Nc3 Bc3 13.Bc3 Nc3 14.dc3 Be4 15.Qe2 Rad8 16.Nd2 Bg6) 12.Be2 (12.Nc3 Bc3 13.Bc3 Nc3 14.dc3 Rad8= 15.Qd6 Rd6 16.Rfd1 Rc8) 12...Rad8 (12...Rfd8 13.d4 h6 (13...Qe6 14.Qc1 Rd6 15.Nbd2 Nd2 16.Nd2 Ne5) 14.Nbd2= Qg6 15.Ne4 Be4 16.Rc1 Rd6) 13.d3 Nc5 (13...Qe7 14.Qc2 Nc5 15.Rd1 g6 16.Nc3 a6) 14.d4 Qe6 (14...Ne4 15.Nbd2= Rfe8 16.Nc4 Qh6) 15.Nfd2 (15.Nbd2 Nd3 16.Rb1 h6) 15...Nd3 16.Bc3 Rfe8 (16...Qg6 17.Nf3 Be4 18.Nh4=; 16...h6=+) 17.Bf3 (17.e4 Nf4 18.Bf3 Bg6=+) 17...Bb6 18.Qb3 Qh6 (18...Qg6 19.Nc4=) 19.Nc4= Be6 (19...Qg5 20.Nbd2 Rc8 21.a4+–) 20.Nbd2 Ne7? (better 20...Qg6=) 21.Qc2 (21.Qb1 Bf5 22.e4 Bd4 23.Bd4 Rd4 24.ef5 Nf5 25.Qb7 Qg5+–) 21...Bc4 22.Nc4 Qg6 23.Ra2 (better 23.Qb1!? c5 24.Nb6 ab6+=) 23...c5 24.Be2 Nf4? (better 24...Nf2!? 25.Qg6 hg6 26.Kf2 cd4 27.ed4 Bd4 28.Bd4 Rd4+–) 25.ef4 Qc2 26.Rc2 cd4 27.Nb6 ab6 (27...dc3 28.Na4 Rd2 29.Rd2 cd2 30.Rd1+–) 28.Bb5 dc3 29.Be8 Re8 30.Re1 Rd8 31.Rc3 f5 (31...g6 32.Rc7 Nd5 33.Rb7 Nf4 34.Rb6+–) 32.g3 (32.Rc7 Nd5 33.Rb7 Nf4 34.Rb6 Ra8+–) 32...Nd5 (32...Rd7+–) 33.Rd3 1–0. Hepting,Heinrich (2205) – Seyb,Alexander (1970), LGA Premium Cup, Nuernberg GER, 2004.

9.Be2 Ne4 10.0-0=+ Re8 A) 11.Nc3 Bc3 (11...Nc3 12.Bc3 Bc3 13.dc3 dc4 14.Bc4 Qf6 15.Nd4 Ne5 16.Qb3 Bg6; 11...dc4 12.Bc4 Bc3 13.Bc3 Nc3 14.dc3 Qf6 15.Nd4 Ne5 16.Qb3 Bg6) 12.Bc3 Rb8 13.Qa4 Qd6 14.cd5 Qd5 15.Qb5 Qb5 16.Bb5 Nc3; B) 11.Qb3 Be6 (11...Nc5 12.Qb5 Bb6 13.cd5 Qd5 14.Nc3 Qb3 15.d4 a6 16.Qb3 Nb3; 11...dc4 12.Bc4 Nd6 13.Be2 Be6 14.Qa4 h6 15.Nc3 a6 16.h3 Qf6; 11...d4 12.Qb7 de3 13.Qc6 ef2 14.Kh1 Rb8 15.Bd4 Bd7 16.Qd5 c6) 12.d4 dc4 13.Bc4 Bc4 14.Qc4 Qf6 15.Nc3 Bc3 16.Bc3 Rad8; C) 11.cd5 Qd5 12.Nc3 Bc3 13.dc3 Qc5 14.Qb3 Be6 15.Qb5 Qb5 16.Bb5 Nd6.

9.Be2 Re8 10.0-0 dc4 11.Bc4 Qd6 12.Qb3=.

9.Be2 Re8 10.0-0 Qe7 11.d4 Rad8 12.Qa4 (12.Qb3 b6 A) 13.Nc3 dc4 (13...Be6 14.Rfc1 Qd7 15.cd5 Nd5 16.Nd5+=; 13...Bc3 14.Bc3 Be4 15.Rfc1 a5 16.c5=) 14.Qc4 Nb8 15.Rac1 a6 16.d5=; B) 13.Rc1 Be6 (13...Qd6 14.cd5 Ne7 15.Ne5 Be4 16.f3+=) 14.Qa4 Nb8 15.Bc3 Bc3 16.Nc3+=; C) 13.cd5 Nd5 14.Bb5 Qf6 15.Ne5 Ne5 16.Be8+=) 12...a6 (better 12...Qd7!? 13.c5 a6= 14.Bc3 Bb1 15.Ba5 Be4 16.Nd2=; 12...Qe6 13.c5 Qe4 14.Bb5 Qc2 15.Qc2 Bc2 16.Bc3+=; 12...Bg4 13.Bc3 Bc3 14.Nc3 dc4 15.Rfb1 Rb8 16.Qc4=) 13.Ne5+– Bb6 (13...Rb8 14.Ra2 Bb6 15.Nc6 Qd7 16.c5+–) 14.c5 (14.Nc6 Qd7 15.c5 Ba7 16.Ba6+–) 14...Ba7 15.Nc6 bc6 16.Qc6 Rb8 17.Ra2 Bb1 (17...a5 18.Nc3+–) 18.Rb1 Ne4 19.Rd1?? (19.Rf1 Qd8 20.Qa6 Re6+–) 19...Qh4?? (better 19...Nf2 20.Rf1 Nd3 21.Bd3 Qe3 22.Kh1 Qd3-/+) 20.g3 Qh3 (20...Qd8 21.Qa6 (21.Ba6? Re6 22.Qa4 Qf6-+) 21...Ra8 22.Qd3+–) 21.Qd5 (21.Ba6?! Qh5 22.Qa4 Re6+–) 21...Re6 22.Qh5 Qh5 23.Bh5 (23.Bh5 c6 24.Be2+–) 1–0. Sebald,Ralph – Wurm,Michael, Dortmund op–B, 1998.

9.Be2 Re8 10.0-0 h6 11.d4 dc4 12.Bc4 Qe7 13.Nc3 Rad8 14.Bb5 Ne4 15.Ne4 Be4 16.Qe2 Qf6 17.Rfc1 Qg6 18.Bc3 Bb6 19.Rd1 Re6 20.Ne1 (20.Bd3 Rd5=) 20...Ne7 (20...Rd5 21.Bc4 Rg5 22.f4+= (22.Be6?? Rg2 23.Ng2 Qg2)) 21.Bd3 (21.Nf3 Nd5 22.Bb4 a5=+) 21...Nd5 22.Bb2 Rde8 23.Be4 Re4 24.Nf3 Nf4 Threatening mate... how? 25.Qf1 (25.ef4 Exploits the pin 25...Re2) 25...Ng2 26.Kh1?? (26.Qg2 Decoy theme: g2 26...Rg4 A pinning theme) 26...Nh4-/+ 27.Nh4 (27.Ne5 Qg5-/+) 27...Rh4 28.Qg2 Rg4 (28...Qf6 29.Rab1-/+) 29.Qf3 (29.Qb7 c6 30.Rf1 c5=+) 29...Qh5 (better 29...Rge4!?-/+) 30.Qb7= Rge4 31.Rg1? (better 31.d5!?=) 31...Qe2 32.Bc3 (32.Ra2 Qf2 33.Qc6 Re3-+) 32...Qf3 33.Rg2 Re3! 34.Qf3 (34.fe3 Qb7) 34...Rf3 35.Rc1 Re2 36.a4 a5 (36...Rff2 37.Rf2 Rf2 38.a5=+) 37.d5 Rff2 (37...Bf2?! 38.Bg7 (38.Rg7 Kf8 39.Rg2 Rc3 40.Rg8 Kg8 41.Rc3 Bb6-+) 38...Kh7 39.Ba1=) 38.Rf2 Rf2 (38...Bf2?! 39.Ba5 Bb6 40.Bb6 cb6 41.d6=) 39.Be5 Rf5 40.Bc7 Bc7 41.Rc7 Rd5 42.Ra7 g6 43.Kg2 Rf5 (43...Kg7 44.Re7-+) 44.Kg3 Kf8 45.h3 Rc5 46.Kf3 Kg7 47.Ra6 h5 48.Kg3 (48.Ra8 Rc3 49.Kg2 Rc2 50.Kf3 Rc5-+) 48...g5 49.Ra7 Kg6 50.Ra6 Kf5 51.Ra7 (51.Rd6 Rc3 52.Kg2 Ke4-+) 51...f6 (51...h4 52.Kf2 Rc2 53.Ke1-+) 52.Ra6 (52.Rd7 Rc3 53.Kg2 Kf4-+) 52...Rc3 53.Kg2 Rc5?? (53...Rc5 54.Kg3 h4 55.Kf2 Rc2 56.Kf3 Rh2 57.Ra5 Kg6-+; better 53...Rc2 54.Kf1 Rc1 55.Ke2 Rc5-+) 0–1. Feilmayr,Erwin – Zylla,Johannes, corr SOK–92–79, 1992.

10.Be2 Nb6 11.0-0 Bd3 12.Bd3 (12.Nd4 Be2 13.Qe2 Nd4 14.Bd4 Qg5=) 12...Qd3 13.Ne1 (13.Nd4 Nd4 14.Bd4 Rad8=) 13...Qb5 (13...Qd6 14.d3=) 14.Bc3 Nd5 15.Ba5 Na5 16.Qc2 Rfd8 17.d4 (17.d3 c5=) 17...c5=+ 18.a4 Qa6 (18...Qc4 19.Qc4 Nc4 20.Nf3=+) 19.Nf3 (19.dc5 Rac8=) 19...cd4=+ 20.Nd4 Rac8 21.Qb2 Nc4 22.Qb5 Qh6 23.Re1 Qh4 24.Na3 Ne5 25.h3 (25.Qb7? Ng4 26.h3 Qf2 27.Kh1 Nge3-+) 25...Qe7 (25...b6 26.Rec1 Rc1 27.Rc1=) 26.Nf5= Qf6 27.e4 Nf4 (27...a6 28.Qb3=+) 28.Red1 (28.Qb7 Qg5 29.Ng3 Ned3=) 28...Ned3 (28...b6 29.Qa6 Ned3 30.Qa7-/+) 29.Kh2 (29.Qb7!? Qg5 30.Ng3=) 29...Nf2 (29...b6 30.f3-/+) 30.Rd8 Rd8 31.Rf1 N4d3 32.Qb7 Qe5 33.Kg1 Qc5 Threatening mate: Ng4 34.Nb5 Nh3 (34...Ne4!? 35.Nbd4 Nd6-/+) 35.Kh2=+ Nhf2 (35...Ng5 36.Ne7 Kh8 37.Nc6=+) 36.Qa7 (36.Nbd6 Ne5 37.Kg3=+) 36...Ng4 (36...Qa7 37.Na7 Ra8 38.Rb1=+) 37.Kg3=+ Nf6 38.Qc5 Ne4 39.Kh2 Ndc5 40.a5 Ra8 41.Ne7 Kf8 42.Nc6 Ra6 43.Nbd4 Nd6 44.Rc1 Ndb7 Attacking the isolated pawn on a5 45.g4 g6 46.Kg3 Kg7 47.Rc2 h6 48.Kh4 Nd3 Black gets the initiative 49.Rd2 Nbc5 50.Re2 Kf6 51.Kg3 Ne6 52.Ra2 Nd4 53.Nd4 Nc5 54.Kf4 Ne6 55.Ne6 Ke6 56.Ke4 Kd6 57.Kd4 Kc6 (57...h5 58.g5-/+) 58.Kc4 Ra7 59.Ra1 Ra8 60.Ra2 h5 61.gh5 (61.g5 h4-/+) 61...gh5 62.a6 Kb6 63.Rf2 ½–½. Rodin,Efim Grigorevich – Offenborn,Heinz, EM/MN/021 ICCF Email, 2000.

10.Be2 Qd6 11.0-0 Rfd8 (11...Rad8 12.Nc3=+ (12.Qb3 Qe6 13.d4 Bb6 14.Nbd2 h6 15.Rac1 Na5 16.Qd1 Rfe8; 12.d4 Rfe8 13.Qb3 Re6 14.Nbd2 Bd2 15.Nd2 Na5 16.Qa2 Rg6) 12...Nc3 (12...Bc3 13.Bc3 Nc3 14.dc3 h6 15.Qd6 Rd6 16.Nd4 Nd4) 13.Bc3 Bc3 14.dc3 Qg6 15.Qa4 Be4 16.Nh4 Qe6) 12.d4 (12.d3 Nb6 (12...Re8 13.d4 Rad8 14.Qb3 Re6 15.Nc3 Bc3 16.Bc3 Rg6) 13.d4 Qe6= (13...h6 14.Nbd2 Qe7 15.Nb3 Nd5 16.Na5 Na5) 14.Nbd2 Nd5 15.Rc1 h6 16.Nc4 Bb6; 12.Qb3 Qe6 13.d4 h6 14.Nbd2 a6 15.Rac1 Bd2 16.Nd2 Na5) 12...Re8 (12...Qe6 13.Qb3=+ Bb6 14.Qa2 Nce7 15.Bc4 Ba5 16.Nbd2 Bd2) 13.Nbd2 Rad8 (13...Qe6 14.Bc4 (14.Rc1 h6 15.Ne5 Bd2 16.Qd2 Rad8) 14...Bd2 (14...Qd7 15.Rc1 Rad8 16.Bb5 Bd2) 15.Qd2= (15.Nd2 Na5 16.Ba2 Rad8) 15...Rad8 16.Rad1 Qe4; 13...Bc3 14.Qc1 Bb2 15.Qb2 h6 16.Qb7 Rab8) 14.Nc4 (14.Nh4 Bd7 15.Nc4 Qf6 16.Nf3 Bc3) 14...Qh6 15.Bd3 (15.Rc1 Bb6= 16.h3 Re6; 15.h3 Bc3 16.Qb3 Bb2) 15...Bg4 (15...Qf6 16.Na5 (16.Rc1 Bb6) 16...Na5 17.Re1 Bd3 18.Qd3=; 15...Bd3 16.Qd3 Qg6) 16.Na5 ½–½. Boehnke,Hartmut – Farmer,Walter, remoteschach.de, 2003.

10.Be2 Qd6 11.Qb3 Rad8 12.0-0+=.

10.Be2 Qd6 11.Qb3 Rfd8 12.0-0 Nce7 (12...Qe6 13.d4= (13.Qb7 Rab8 14.Qa6 Rb2-+)) 13.d3 (13.Qb7?? Rdb8 14.Qa6 Qa6 (14...Rb2 15.Qa5 Nc6 16.Qa6=) 15.Ba6 Rb2-+) 13...Nf6 (13...Bg4 14.Qc2= (14.Qb7?? Rdb8 15.Qa8 Ra8-+)) 14.Rd1 Ned5 15.Nbd2 Qb6 16.Rab1 Qb3 (16...Ng4 17.Qb6 ab6 18.Ne4=) 17.Nb3+= Bb6 18.a4 a5 19.h3 (19.Ne5 Nb4+=) 19...Nb4 The pressure on d3 grows 20.Bf6 (20.Ne5 Nfd5+=) 20...gf6= 21.Rb2 c6 (21...Rd6 22.d4=) 22.d4 Bg6 23.Nh4 Kg7 24.g4 Rd7 25.Bf3 Rad8 26.Kg2 Bc2 27.Rd2 Bg6 28.Nf5 Bf5 29.gf5 Kf8 30.Kf1 Ke7 31.Ke2 Rg8 ½–½. antinephilehi (2005) – original_sin (2230), gameknot.com, 2013.

10.Be2 Qd6 11.Qb3 Rfd8 12.Nc3 Be6 13.Qc2 Nc3 14.dc3 Qc5 15.0-0 Bf5 16.e4 Bg6.

10.Be2 Qd6 11.Nc3 Nc3 (11...Bc3 12.Bc3 Nc3 13.dc3 Qc5 14.Qb3 Be6 15.Qb2 Bc4 16.Nd4 Be2) 12.Bc3 Bc3 13.dc3 Qc5 14.Qb3 Be6 15.Qb2 Bc4 16.Nd4 Be2.

10.Be2 Qe7 11.0-0 Rad8 (11...Rfd8 12.d3=) 12.d4 Rd6 (12...Rfe8 13.Qb3=) 13.Nbd2 (13.Qb3 Re8=) 13...Rg6=+ 14.Kh1 Nc3 15.Bc3 Bc3 16.Rc1 Bd2 17.Qd2 Be4 18.Bd3 (18.Qb2 Rb8=) 18...Rg2 19.Be4 (19.Kg2?? Qg5 20.Kh3 Bf3 21.Bh7 Kh8 22.Rg1 Qh5 23.Kg3 Qg4) 19...Qe4 20.Kg2 Qg4 21.Kh1 Qf3 22.Kg1 Qg4 23.Kh1 ½–½. pierre – Oliver36, internet, 2006.

10.Be2 Qe7 11.Qb3 Nb6=.

10.Be2 Qe7 11.Qb3 Rad8 12.0-0 Nf4 (12...Qe6 13.Bb5= (13.Qb7? Rb8 14.Qa6 Rb2-+)) 13.Bc4 Nd3 14.Bd4 Nf4 15.Bb2 (worse 15.ef4 Nd4 16.Nd4 Rd4-/+) 15...Ng6 16.Be2 Nf4 17.Bc4 Nd3 18.Bd4 Nf4 ½-½. heisenberg005 (2220) - grasul2009 (2440), gameknot.com, 2020.

10.Bc4 a6 11.0-0=+.

9.Bc4 Bb1 10.Rb1+= Ne4 11.Qc2 Re8 12.Bd3 (better 12.0-0+=) 12...Nc5?? (better 12...Bd2 13.Nd2 Nb4 14.Ne4 Nc2 15.Bc2 Qd5-/+) 13.Bh7+- Kh8 14.a3 Ba5 15.Qc5 (15.Qf5!? Ne4 16.Qf7 Nf6+-) 15...Kh7 16.Qh5 (16.Qf5 Kg8+-) 16...Kg8 17.0-0 Ne7 1-0. yasminoah (2000) - eliasmorenorodrigues (1740), Rated Blitz game, lichess.org, 2014.

10.Bc4 Bb6 11.d4 Na5 12.Bd3 Bd3 13.Qd3 c5 14.Nbd2 Rc8 Black plans c4 15.0-0 c4 16.Qc2 Nd5 17.Bc3 Nb3 18.Rab1 Nc3 (18...Nd2 19.Nd2 Re8 20.a4+=) 19.Qc3= Ba5 20.Qc2 Nd2 21.Nd2 Qd5 22.a4 a6 23.Qe4 Rfd8 24.Qd5 Rd5 25.Nf3 Rc7 26.Rfc1 f5 27.Ne5 b5 28.ab5 ab5 29.Ra1 Bb4 30.Ra8 Bf8 31.Rca1 g6 (31...c3 32.Kf1=) 32.Kf1+= f4 33.Ke2 (worse is 33.ef4 Rd4 34.g3 c3-+) 33...b4 (33...Kg7 34.R8a7 Ra7 35.Ra7 Kg8 36.Rb7+/–) 34.R1a7 (34.R1a6!? c3 35.Rf6+/–) 34...Ra7= 35.Ra7 fe3 36.fe3 (36.Ke3 Re5 37.de5 Bc5 38.Kd2 Ba7-+) 36...c3 37.Kd3 Rb5 38.Ra1 Rb7 39.e4 Bg7 40.Nf3 Kf7 41.Kc2 Ke6 42.Kb3 Rc7 43.Rd1 h5 44.Rc1 (44.Kb4? c2 45.Ng5 Kf6 46.e5 Kg5-+) 44...Bh6 45.Rc2 Bf8 46.d5 Kd6 47.Kb4 Bg7 48.Kb3 Re7 49.Ng5 Bf6 50.Ne6 Rb7 51.Kc4 Rb2 52.Kd3 g5 53.Nf8 Bg7 54.Nh7 g4 55.Ng5 Rb1 56.Re2 h4 57.Ne6 Bf6 58.Rf2 Be5 59.h3 gh3 60.gh3 Rd1 61.Kc2 Ra1 62.Re2 Ke7 63.Nc5 Kd6 64.Nb3 Ra3 65.Nc1 Ra4 66.Kd3 Rd4 67.Kc2 Ra4 68.Kd3 Rd4 69.Kc2 Ra4 ½–½. Hannibal 1?5 64_bit 4CPU – Gull 3 64_bit 4CPU, CCRL, 2015.

10.Bc4 Bd3 11.Qb3 Bc4 12.Qc4 Qd5 (12...Re8 13.0-0=) 13.Qd5 Nd5 14.Nc3 Nb6 (14...Bc3 15.Bc3 Rfe8 16.Rb1=) 15.Ke2 (15.0-0-0 Bc3 16.Bc3 Rad8=) 15...Nc4 16.Na4 b5 (16...Rad8 17.d3 Nb2 18.Nb2+=) 17.d3 Nb2 18.Nb2 Ne7 (18...Rfe8 19.Rhc1 Ne5 20.Ne5 Re5 21.d4+=) 19.Rhc1 Nd5 20.d4 (20.Rc5 Rad8+=) 20...f6 (20...Bc3 21.Rab1 a5 22.Kd3 Bb2 23.Rb2+=) 21.Nd3 (21.Nd3 a6 22.Rc6+=). Yarmolyuk,Yury – Scheel,Ab, BI–2007–P–00019, 2007.

10.Bc4 Bd3 11.Qb3 Bc4 12.Qc4 Qd5 13.Qd5 Nd5 14.Ke2 Rae8 (14...Rfe8 15.Nd4=+) 15.g3 f5 16.Rc1 f4 17.Nc3 Bc3 18.Bc3 Nb8 19.Rab1 (worse 19.gf4 Nf4 20.Kf1 Nd3-/+) 19...b6 (19...Nc3? 20.Rc3 (20.dc3?! b6=) 20...fe3 21.fe3+– (21.Rb7 Rf3 22.Kf3 e2+=; 21.Re3?! b6+=)) 20.Bb2 (worse 20.gf4 Nf4 21.Ke1 Nd3 22.Ke2 Nc1 23.Rc1 Nd7-/+) 20...Nd7 21.Rc6 Nb8 22.Rc4 Nd7 23.Ra4 a5 24.Rd4 c6 25.Rc1 Nc5 26.Rdc4 Nb3 27.Rd1 Nd2 28.Rd2 fe3 29.Rdd4 (29.Rdc2 ef2 30.Kf2 Ne3 31.Rc6 Nd1 32.Kg2 Ne3 33.Kf2 Nd1 34.Kg2 Ne3 35.Kf2=) 29...ef2=+ 30.Kf2 Re3 31.Rf4 Rfe8 32.Be5 R3e5 (32...Ra3 33.Rfe4 Ra2 34.Re2 Re2 35.Ke2=+) 33.Ne5 Re5 34.Rf3 Re6 35.Rc2 Rd6 36.Re2 Do you see the mate threat? 36...h5 ½–½. Muri,Heinrich – Rodriguez Martin,Emilio, EM/MN/066 ICCF Email, 2003.

10.Bc4 Bd3 11.Qb3 Be4 12.Ng5 (12.Qb7?? Rb8 13.Qb8 Qb8 14.Bf6 gf6-+) 12...Bb1 13.Rb1 Qd2 14.Kf1=.

10.Bc4 Bd3 11.Bd3 Qd3 12.Bf6 gf6=.

9.d4 Na5 10.cd5 Qd5 11.Bd3 Bd3 12.Qd3 Nc4 13.Qb3 c6 14.Nc3 Qe6 15.0-0 (15.Qb7? Rfb8 16.Qa6 Rb6-+) 15...b5 16.Rfc1 Rab8 17.Qc2 Rfd8 18.Ne2 Bd6 19.Ng3 Bg3 20.hg3 a5 21.Bc3 a4 22.Bb4 Rd5 23.Qe2 Ne4 24.Rc2 Rh5 25.Nh4 Qh6 26.Qg4 Nf6 27.Qf4 Qf4 28.ef4 (28.gf4?? Rh4 29.Be7 Rh6-+) 28...Nd5 29.Bc5 Nf4 30.gf4 Rh4 31.Re1 h6 32.Rc3 Rh5 33.Re7 Rc8 34.g4 Rd5 35.Kg2 Nd2 36.Re5 Rd7 37.f3 g6 38.Kf2 Nb3 39.Re4 Kg7 40.Ke3 h5 41.gh5 gh5 42.Re5 Kh6 43.Rf5 h4-+ 44.Rc2 Re8 45.Re5 Re5 46.de5 Nc5 47.Rc5 Rd1 48.Rc6 Kg7 49.f5 h3 50.Rc2-/+ Ra1 51.Rh2 Ra3 52.Ke4 Ra1 53.Rh3 Re1 54.Kf4 a3 55.f6 Kg8 56.Rg3 Kf8 57.Rh3 Ke8 58.Rh8 Kd7 59.Ra8 b4 60.Kf5 Re3?? 61.Kf4 Re1 62.Kf5 Re2 0–1. Wolf,Wolfgang (2175) – Lelgemann,Ludwig (2150), GER–ch36 V2 email, 2004.

9.d4 Na5 10.cd5 Qd5 11.Bd3 Bd3 12.Qd3 c5 13.0-0 Rac8 14.Nc3 Qc4 15.Qc2 Rfd8 16.Rad1 Nb3 (16...cd4 17.Rd4 Rd4 18.Nd4+=) 17.d5= Bd6 (17...Nd5? 18.Ne5 Nb4 19.ab4+– (19.Nc4 Nc2 20.Nb5 Rd1 21.Rd1 a6-/+)) 18.Qf5 Re8 19.Rd3 Rcd8 20.Rfd1 h6 21.Nb1 Nd7 22.Nbd2 Nd2 23.R1d2 (23.R3d2 Qe4 24.Qe4 Re4=) 23...b5 24.Rd1 (24.g3 Qe4 25.Qe4 Re4+=) 24...Qe4+= 25.Qh3 (25.Qe4 Re4 26.g3 Ra4+=) 25...a5 (25...Nb6 26.Nh4 Nc4 27.Bc3+=) 26.Ba1 (26.Qh4 Qf5+=) 26...b4-/+ 27.Nh4 Ne5 28.Be5 (better is 28.f3!? Qh7 29.Be5 Re5 30.ab4-+) 28...Be5-+ (28...Qe5?! 29.Nf5+=; 28...Re5 29.f3 Qh7 30.f4-/+) 29.f3 Qc4 30.ab4 ab4 31.Nf5 b3 32.g3? (32.f4 Bf6 33.g4-+) 32...b2 33.Qf1 Qa4 (better is 33...Qc2 34.f4 c4 35.fe5 cd3-+) 34.R3d2? (better is 34.d6-+) 34...c4 35.Rf2 c3 (35...c3 36.Qd3 h5-+) 0–1. Stapinski,Ryszard (1925) – Booij,R. E, ICCF Veterans World Cup, 2009.

9.cd5 Qd5 10.d4 Na5 11.Nc3= Qb3 12.Qb3 Nb3 13.Ra2 a6 14.Bc4 Na5=+ 15.Be2 Rfe8 16.Nd2 c5 17.d5 Bf8 18.Rg1 b5 19.g4= Bc8 20.g5 Nd7 21.Rg3 Bd6 22.f4 Nb6 23.Ra1 Bb7 24.Nce4 Bf8 25.Bc3 Nb3 26.Nb3= Re4 27.Nd2 Ree8 28.e4 Bd6 29.Ba5 Nd5 30.ed5 Bf4 31.Rg4 Bh2 32.Kf2 Bd5 33.Rd1 Be5 34.Nf3 Bb3 35.Rb1 Bc2 36.Rc1 Bf5 37.Ne5 Re5 38.Rf4 Rae8 39.Bf3 Bd3 40.Rg1 Bg6 41.Bd2 Rd8 42.Bc3 Ree8 43.Rc1 (43.Bb7 Rd6-/+) ½–½. Degterev,Pavel – Gazen,Louis, CP–2005–Q–00017, 2007.

9.cd5 Qd5 10.Be2 Ne4 11.0-0 Rad8 12.d4 Rd6 13.Nfd2 Rh6 14.Nc3 Qd6=+ 15.g3 Nd2 16.Qd2 Rd8 17.Rfc1 Qg6 18.Qd1 Ne5 19.Qb3 Nd3 20.Bd3 Bd3 21.Qb7 Qh5 22.Qg2 c5 23.Rd1 c4 24.a4 Bb4 25.Rdc1 a6 26.Ra2 f5 27.Nd5 Bd6 28.Nc3= f4 29.ef4 Bf4 30.Re1 Bc7 31.Raa1 Rb6 32.Ba3 Rd4 33.Re7 Bd8 34.Qa8 h6 35.Rae1 Qa5 36.Re8 Kh7 37.Be7 ½–½. Bonetti,Shane – Baer,Werner, TT–13 ETC, 2004.

9.Be2 Qd7 10.0-0 Rfd8 11.d4 Ne4 12.Nc3 Nc3 13.Bc3 b6 14.Bd3 Bd3 15.Qd3 Qe6 16.cd5+= Qd5 17.Bd2 Rd6 18.e4 Ne5 19.Ne5 Qe5 20.Bc3 Qf4 21.Qe3 Qh4 22.Bb4 c5= 23.dc5 Rh6 24.h3 a5 25.Bc3 Bc5 26.Bd4 Bd4 27.Qd4 Re6 28.f3 Rd8 29.Qf2 Qf4 30.Rac1 Qd6 31.Qb2 h6 32.Qc3 Rg6 33.Kh1 Qg3=+ ½–½. Psion – Psion, 4 Min/Zug, 1990.

10.Nc3 Qd7 (10...Re8 11.Bb5+=) 11.Be2 Rfe8 12.0-0 Rad8 13.Rc1 Nc3 14.Rc3 Qe6 15.Re1 (15.Qb3 Qg6=) 15...a6 (15...Be4 16.d4=) 16.d4 Na5 17.Qa4 Qb6 18.Ba1 c5 (18...Bd6 19.d5=) 19.h3 (19.Rd1 Bd6+=) 19...h6 (19...Be4 20.dc5 Bc5 21.Rec1+=) 20.Rd1+= Bd6 21.dc5 Bc5 22.Bd3 Bd3 ½–½. Muri,Heinrich (2405) – Teichmann,Cenek (2430), III. Danube Cup–Paul Darmogray Memorial, 2008.

10.Be2 Qd6 11.0-0 Qg6 12.d4 Rad8 13.Nc3 Nc3 14.Bc3=+ Bc2 15.Qd2= Be4 16.Rfd1 Bd6 17.Bd3 f5 18.Qe2 Ne7 19.Bb4 Nd5 20.Bd6 cd6 21.Rac1 Rc8 ½–½. Bonetti,Shane (2110) – Baer,Werner (1900), TT–15, ETC, 2005.

10.Be2 Qd6 11.0-0 Qg6 12.Ne1 Nb6 13.Nc3 Rad8 14.Rc1 Na5 (14...Rfe8 15.Nb5+=) 15.Nb5= c5 16.Na7 c4 17.Nb5 (17.Bh5!? Qg5 18.Be2=) 17...Nb3+= 18.Bh5 Qh6 (18...Qg5 19.f4 Qh6 20.Nd4 Nd4 21.Bd4 Rd4 22.ed4 Ba3 23.Rc3+=) 19.Nd4= Rd4 (19...Nc1? 20.Nf5 Qg5 21.Ne7 Qe7 22.Qc1+–) 20.Bd4 (20.ed4? Na4 21.Rc4 Nb2 22.Bf7 Rf7 23.Qb3 Nc4 24.Qc4 Bd6-+) 20...Nc1 21.Qc1 Qh5 22.Bb6 Rc8 23.Bd4 Bd6 24.f4 f6 25.Bb2 (25.a4 Qe8 26.Qb2 Ra8=) 25...Qe8 26.Qc3 Qe7 27.Nf3 Bd3 28.Rc1 b5 29.Ra1 Qb7 30.Ne1= Be4 31.Qc1 Qd5 32.a4 b4 33.Qd1 b3 34.Qe2 Bb4 35.Bd4 Bd2 36.Qd2 c3 37.Bc3 Qd2 38.Bd2 b2 39.Rd1 Rd8 40.Nf3 Bf3 41.gf3 Rd2! (41...Rd2 42.Rd2 b1Q 43.Kg2 Qb3-+) 0–1. Vlak,Jos J. C. M (2310) – Gacnik,Ljubomir (2015), WS/M/162 ICCF, 2008.

10.Be2 Bf6 11.d4 Na5 12.Nc3 c5 13.0-0 Rc8 14.Rc1 a6 15.Ba1 c4 16.Nd2 Nc3 17.Bc3 b5 18.Re1 Bg6 19.Bg4 Rb8 20.Bh5 Bd3 21.Be2 Be2 22.Qe2 Rc8 23.Qg4 g6 24.Red1 Be7 25.d5 (25.Qf3 Bd6=) 25...f5 (25...Ba3 26.Ra1 b4=) 26.Qf4 Bf6 (26...Ba3? 27.Qe5 Qf6 28.Qf6 Rf6 29.Ra1+– (29.Ba5?! Bc1 30.Rc1 Rd6=)) 27.e4 Bc3 28.Rc3 Nb7 29.Qe5 Nc5 30.Re3 Qd7 31.Qd4 Ne6 32.Qe5 Ng5 33.h4 (33.Qc3 fe4 34.Ne4 Ne4 35.Re4 Qf7=) 33...Rfe8 34.Qd4 Ne6 35.Qe5 Ng7 36.Qd4 Rcd8 37.Nf3 (37.Qb6 Qd6 38.Qd6 Rd6=) 37...fe4+= 38.Ne5 Qd6 39.Re4 Nf5 40.Qc3 Qf6 41.Qe1 (41.h5 gh5 42.Re2 Rd6+=) 41...Re7 (41...Nd6 42.Re2-/+) 42.f3 Qb6 (42...Rc7!?-/+) 43.Qf2= Qf2 44.Kf2 Nd6 45.Re3 c3 46.f4 ½–½. Kural,A_Serhat (2260) – Van tricht,Marcel (2295), WC35/pr04 ICCF, 2011.

10.Be2 Bf6 11.d4 Re8 12.0-0 Na5 13.Bd3 Qd7 14.Qc2 Bd3 15.Qd3 c5 16.Nc3 cd4 17.Nd5 (worse is 17.Nd4 Ne3 18.Ne4 Nf1 19.Nf6 gf6 20.Rf1 Qd5-+) 17...Qd5 18.Bd4 Nb3 19.Rab1 Nd4 20.Nd4 Bd4 21.Qd4 Qd4 22.ed4 b6 23.Rfd1 Rad8 24.Rb3 (better is 24.d5=) 24...Rd4!-/+ 25.Rc1 (25.Rd4 Re1 Mate attack) 25...Red8 26.Kf1 Kf8 27.Ke2 Ke7 28.Rbc3 g6 29.Re3 Kd6 30.Rec3 Ke5 31.g3 h5 32.h4 Kf5 33.f3 f6 34.Ke3 Ke6 35.Rc6 R4d6 36.R6c3 Rd5 37.Rc6 Ke7 38.R6c3 Ra5 39.g4 Ke6 40.Rc6 Rd6 41.R6c3 Ra4-+ 42.Rg1 Rd5 43.Rc6 Rd6 44.Rc3 Ke5 45.Rb3 Rd5 46.Rg2 Rda5 47.g5? Ra3 48.f4 Kf5 49.Rgb2 fg5 50.fg5 0–1. Jacobi,Karl Heinz (1920) – Rahls,Peter (2110), GER–ch Seniors–A, 2008.

9.a3 a4 10.Qa2 Be7 11.d4 (11.Bf6 Bf6 12.d4 Re8=+) 11...Na5 12.Nbd2 dc4 13.Bc4 Nc4 14.Qc4 Ra6 (14...Bd6 15.d5=+) 15.0-0 Ne4 16.Ne4 Be4 17.Ne5 Bd5 18.Qe2 (18.Qc2 f6 19.Nd3 Bd6=) 18...Rb6 (18...f6 19.e4=+) 19.f3 c6 (19...f6 20.Nc4 Rc6 21.Rac1=) 20.e4=+ Be6 21.Nd3 (21.Qc2 Bd6=) 21...Rb5 (21...Bf6 22.Ne5=) 22.Rac1 (22.Rab1 Bf6 23.Ne5 Qb6=+) 22...Qb6 23.f4 (23.Rf2 Rd8=+) 23...Rb3 24.f5 Bc8 (worse 24...Ba3 25.Ba3 Ra3 26.fe6 Qd4 27.Nf2 fe6 28.Rcd1=) 25.Rcd1 (25.Rc4 Qb5 (worse 25...Ba3 26.Ba3 Ra3 27.Nc5+=) 26.Qc2 Rd3 (worse 26...Ba3 27.Ba3 Ra3 28.Nc5+=) 27.Qd3 Qb2 28.Ra4 Rd8=+) 25...f6 (25...Re8 26.Rf2=+) 26.Rf3 Re8 27.Rh3 Rd8 (27...Bd7 28.Bc1=) 28.Kh1 (28.Nf4 Rh3 (28...Rb2? 29.Qc4 Rd5 30.Nd5 cd5 31.Qc8 Bf8 32.ed5+–) 29.Nh3 Bd6=) 28...h6 (28...Ba3 29.Ba3 Ra3 30.Qh5=) 29.Nb4 (29.Qc2 Ba3 30.Ba3 Ra3=+) 29...Rh3 30.gh3 Kh7 (30...Bb4 31.Qc4 Kh8 32.ab4=+) 31.Nd3 (31.Bc3 Qc7=) 31...Qb3=+ 32.Nf4 (better 32.Rc1!?=+) 32...Ba3-/+ 33.Ba3 Qa3 34.Qg2 (34.Qg4 Qe3 35.Ng2 Qf2-/+) 34...Qe7 (34...b5 35.Ne2-+) 35.Nh5 (35.Kg1 b5-+) 35...Kh8 (35...b5 36.Rg1 Kh8 37.Qg7 Qg7 38.Rg7 Rd4 39.Rc7 Bf5 40.ef5=) 36.Nf4-/+ Kg8 37.Nh5 (37.Ng6 Qb4-/+) 37...a3 (37...b5 38.Rg1 Kf8 39.Qg7 Qg7 40.Rg7-/+) 38.Rg1 (38.Nf4 Re8 39.Nh5 Kh8-+) 38...Kh8 (38...Rd4 39.Ng7 Kf8 40.Ne6 Be6 41.fe6-+) 39.Nf4-/+ Qf7 40.d5 (40.Ne2 b5-+) 40...cd5-+ 41.Ne6 Be6 (41...Rd6 42.Qg3 Qe7 43.e5-+) 42.fe6 Qe7 43.ed5 b5 44.Qa2 (44.Qf3 b4 45.Rd1 Qc5-+) 44...Qc5 45.Rd1 b4 46.Qb3 Ra8 47.d6 a2 48.Ra1 Ra3 (48...Qd6!? 49.Ra2 Ra2 50.Qa2-+) 49.Qd1 Ra5 50.h4 Qc6 51.Kg1 Rd5 52.Qe1 (52.Qe2 Rd6 53.e7 Re6 54.Qa2 Re7-+) 52...b3 53.e7 Re5 54.Qb4 (54.Qf2 Qd6 55.e8R Re8 56.Qb2-+) 54…Re2 (54...Re2 55.Qb8 Kh7 56.Qh8 Kh8 57.e8Q Qe8 58.Kf1 Qe3 59.Ra2 Qf2) 0–1. Krueger,Jan – Haznedaroglu,Kivanc (1990), corr ICCF WSTT/3/06/2, 2006.

9.a3 a4 10.Qd1 Ba5 11.Nc3 (11.cd5 Nd5 12.Bb5 Qd6=) 11...dc4 (11...d4 12.Na4 Re8 13.Be2 de3 14.fe3 Re3 15.0-0=+) 12.Bc4= Bd3 13.Bd3 Qd3 14.Qb1 Qc4 15.Qa2 Qa6 16.Rc1 Rad8 17.Qb1 (worse 17.Na4 Ne4 18.Qc4 Qc4 19.Rc4 Nd2 20.Rc6 Nf3 21.Ke2 Ng1 22.Rg1 Rd2 23.Kf3 bc6=+) 17...Rfe8 (17...Nd5 18.Ne4=) 18.Qc2 (18.Na4 Ne4 19.Nc5 Rd2 20.Nd2 Bd2 21.Kd1 Nc5 22.Rc5-/+) 18...Bc3 19.Bc3 Ne4 20.d4 Qc4 21.Bb2 Qb5 22.Ba1 h6 23.Qc4 Qa5 24.Bc3 Nc3 25.Rc3 b5?? (better 25...Ne7 26.0-0 Nd5+=) 26.Qc6+- Rd6 (26...Re7 27.0-0 Rd6 28.Qc5+-) 27.Qc7 (better 27.Qe8 Kh7 28.Kd2+-) 27...Qa6 (27...Qc7 28.Rc7 b4 29.Ke2+-) 28.0-0 b4 (28...Rdd8 29.Rb1+-) 29.ab4 a3 (29...Rb6 30.Rb1+-) 30.Ra1 (30.Ra3 Qa3 31.Qd6 Qb3+-) 30...a2 (30...Qb6 31.Qc4+-) 31.Qa5 (31.Rc2 Ra8+-) 31...Qe2 (31...Qa5 32.ba5 Rb8 33.Rcc1+-) 32.Qa2 Qf3 (32...Qb5+-) 33.gf3 Rd4 34.ed4 Re1 35.Re1 (35.Re1 Kh7 36.Qf7 Kh8 37.Re7 Kh7 38.Qg7) 1-0. koman4i (2180) - Cosine180 (2200), Rated Blitz tournament, lichess.org, 2016.

9.a3 a4 10.Qd1 Be7=+ 11.cd5 Qd5 12.Nc3=.

9.a4 A) 9...Be6 10.Bd3 (10.cd5 Bd5 11.Bc4 Bf3 12.gf3=+; 10.Ng5 Ne4 11.Ne4 de4 12.Nc3=+) 10...dc4 11.Bc4 Ne4 12.0-0=+; B) 9...Rb8 10.Nc3 (10.cd5 Nd5 11.Nc3 Nb6 12.Bb5=+; 10.Be2 dc4 11.Qc4 Be6 12.Qh4=+) 10...dc4 11.Bc4 Ne4 12.d4=+; C) 9...Rc8 10.Nc3 (10.cd5 Nd5 11.Bb5 Na7 12.Be2=+) 10...d4 11.Nd5 Nd5 12.cd5=+; D) 9...Qd6 10.Nc3 dc4 11.Bc4 Bg4 12.d4=+; E) 9...Re8 10.cd5 (10.Be2 Be6 11.0-0 Rb8 12.Nc3=+; 10.Nc3 d4 11.Nd5 de3 12.fe3-/+) 10...Nd5 11.Bc4 Be4 12.Nc3=+; F) 9...dc4 10.Qc4 (10.Bc4 Ne4 11.0-0 Nc5 12.Qa2-/+) 10...Be6 11.Qh4 Be7 12.Be2=+.

9.Nc3 d4 10.Nd5 (10.Nd4 Nd4 11.ed4 Qd4 12.Be2-/+) 10...a4 11.Nf6 Qf6 12.Qd1-/+.

9.Nc3=+ dc4 10.Qc4 Qd7 11.Be2 Be6 12.Qh4 Be7 13.Bb5 Qd6 14.Ng5 Bf5 15.Bc6 Qc6 16.0-0 h6 17.Nf3 Bd3 18.Rfc1 Qe6 19.Nb5? Bb5-+ 20.Be5?! Ng4 21.Qg4 Qg4 (21...Qg4 22.Rc7 Rfe8-+) 0–1. Franek,Mieczyslaw – Mitrus,Cezary, corr 1. AMM Poland, 1991.

9.Ne5 Ne5-/+ 10.Qb4 Nd3 11.Bd3 Bd3 12.c5 Ne4 13.Qd4+= Qg5 14.f3?? Qg2 15.Qg7 Qg7 16.Bg7 Kg7 17.fe4 de4 18.cb6 ab6 19.Nc3 f5 20.Rg1 Kf6 21.Nd5-/+ Ke5 22.Nf4 Rg8-+ 23.Nd3 ed3 24.Rg8 Rg8 25.Kf2 Ke4 (25...Ke4 26.Rc1 c5-+; 25...c6 26.Rf1-+) 0–1. Stapinski,R – Gugulski,M, corr XVII Warsaw ch, 1994.

9.Bc4 a5 10.a3 (10.0-0 a4 11.Qd1 a3 12.Bc3=+) 10...a4 11.Qd1 Be7 12.d4=.

9.Bc4 Be4 10.a3 (10.Ng5 Bg6 11.a3 Bd6 12.Bd3=+; 10.Nd4 Qd6 11.Nc6 Bc6 12.a3=+; 10.0-0 Bf3 11.gf3 Qe7 12.a3=+) 10...Be7 11.Ng5 Bd5 12.Bd5=.

9.Bc4 Ne4 10.0-0 Nc5 11.Qd1 Nd3 12.Bc3 Qd6 13.Nd4 Nd4 14.Bd4 Qg6 15.Nc3? (better 15.Qf3!?-/+) 15...c5-+ 16.Bd3 Bd3 (16...cd4?! 17.Bf5 Qf5 18.ed4=) 17.Be5 (17.Nd5 cd4 18.Nb4 Bf1 19.Qf1 Rfd8-+) 17...Bf1 18.Qf1 Qe6 19.Bg3 Rad8 20.Qc4?? (20.a3 Ba5 21.Qc1-+) 20…Qc4 (20...Qc4 21.a3 Rd2 22.ab4 Qc3-+) 0-1. pacal56 (2235) - tural (2290), Rated Blitz game, lichess.org, 2014.

9.Bc4 Ne4 10.a3 Be7 (10...Be7 11.Qb7 Nc5 12.Qc6 Be4=; 10...Nc5 11.Qd1 Bd3 12.ab4 Nb4 13.Na3 Bc4 14.Nc4 Ncd3 15.Kf1-/+) 0–1. RONY2001 (1715) – jaskier (2135), internet, 2006.

9.Nb1? Re8 10.Na3 (10.Be2 d3 11.Bf1-+) 10...de3 (10...de3 11.fe3 Re3 12.Be2 Bd3-+) 0–1. phildo (1920) – kostini (1875), gameknot.com, 2014.

9.Nb5 de3 10.fe3 Bd3 11.Bd3 Qd3 12.Nc7 Qe3 13.Kf1 Qf4 14.Na8 Ra8 15.Bf6 Qf6 16.d4 Bc3 17.Rb1 Re8 18.Qd3 Bd4 19.Re1 Rd8 20.Qe4 g5 21.Rd1 h6 22.Ke2 Kf8 23.Kd2 Bb2 24.Kc2 Qc3 25.Kb1 Re8 26.Qd3 Qf6 27.Rhe1 Re1 28.Re1 Bc3 29.Rd1 Kg7 30.Rc1 Bb2 31.Rc2 Bd4 32.Nd4 Nd4 33.Rd2 Qb6 34.Rb2 Qc5 35.Rb7 Ne6 36.Qc3 Kg6 37.Rb5 Qg1 38.Kc2 Qg2 39.Qd2 Qe4 40.Qd3 Nd4 41.Kd2 Qd3 42.Kd3 Nb5 43.cb5 g4 44.Ke4 f5 45.Kf4 Kf6 46.a4 Ke6 47.a5 Kd6 48.b6 ab6 49.ab6 h5 50.b7 Kc7 51.Kf5 Kb7 52.Kg5 Kc7 53.Kh5 Kd8 54.Kg4 Ke8 55.Kg5 Kf8 56.Kg6 Kg8 57.h3 Kh8 58.h4 Kg8 59.h5 Kh8 60.h6 Kg8 61.Kh5 Kh8 62.Kg5 Kg8 63.Kg6 Kh8 64.h7 ½-½. Shika (1835) - IvTK (2015), Rated Blitz game, lichess.org, 2014.

9.ed4 Re8 10.Be2? (10.Ne2-+) 10…Bd3 (10...Bd3 11.Qb3 Bc3 12.Qc3 Be2-+ (worse is 12...Re2 13.Kd1 Ng4 14.Qd3 Nf2 15.Ke2 Nd3 16.Kd3-+)) 0–1. Noack,Thomas (2000) – Dammer,Axel (2400), RSX7E–A00–Sokolsky–2, 2009.

9.Nd5 Nd5 10.cd5 de3 11.fe3 (11.dc6?? ed2 12.Nd2 Re8 13.Be2 Bd3-+) 11...Qd5 12.Qb3 -+.

9.Ne2 de3 10.fe3 Ng4 11.Ng3?? (better is 11.Qb3-/+) 11...Ne3-+ 12.Qe2 (12.Qa4 Bd3 13.Bd3 Qd3 14.Qb3 Ng2 15.Kd1 Ne3 16.Kc1 Qc4 17.Kb1 Qb3 18.ab3-+) 12...Re8 0–1. workchess (2215) – pierred, net–chess.com, 2016.

9.a3 Ba5 10.Nc3 (10.Bf6 gf6 11.Nc3 Qd6+=) 10...Qd7 (10...Qd6 11.Be2=+) 11.d4 (11.Bb5 Bg4=) 11...Rfe8 12.Be2 Ne7 (12...Rad8 13.0-0=) 13.0-0 Ned5 (13...Ng6 14.Qb3 c6 15.Rfd1=) 14.Nd5 Nd5 15.Bd3 (15.Ne5 Qe7+=) 15...Bg6 (15...Rad8 16.Bf5 Qf5 17.Qb3=) 16.Qb3 (16.Bg6 hg6 17.Ne5 Qe6+=) 16...c6 (16...Bd3 17.Qd3 Nf6 18.Bc3 Bc3 19.Qc3=) 17.Ne5 (17.Bg6 hg6 (17...fg6? 18.Ne5 Qe6 19.Qb7+–) 18.Ne5 Qe7+=) 17...Qe7 (17...Re5 18.de5 Ne3 19.fe3 Qd3 20.Qb7 Qe3 21.Kh1+–) 18.Ng6 hg6 19.Bc4 Rad8 20.Bd5 (20.Rfc1 Bc7+=) 20...Rd5= 21.a4 Rh5 22.Ba3 Qc7 23.g3 (23.h3 g5=) 23...Qd7 24.Ra2 Qh3 25.f3 Qd7 26.Bc1 Bb6 27.Kh1 Qh3 (27...Kh7 28.Rb2=+) 28.Kg1 Qd7 29.Kh1 Re6 30.a5 (30.Bd2!?=) 30...Ra5 31.Ra5 Ba5 32.Rf2 Bb6 33.Kg2 Qd5 34.Qd5 cd5 35.Rb2 Rd6 (35...Rc6 36.Bd2-/+) 36.Rb3 f5 37.Ba3 Rd7 38.Rb5 Kf7 39.Bc5 Bc5 40.dc5 Ke6 41.f4 Rc7 42.Kh3 Kd7 43.Kh4 Kc6 44.Ra5 b6 (44...Re7 45.Ra3-/+) 45.cb6 ab6 46.Ra3 Rd7 (46...b5 47.Rc3 Kb6 48.Rd3-/+) 47.Kg5=+ Rd6 48.Ra1 (48.Rc3 Kb7=+) 48...b5-/+ 49.Rc1 Kb6 50.Rb1 Re6 51.h4? (better 51.Rd1!?-/+) 51...Re3-+ 52.Kg6 Rg3 53.Kf5 d4 54.Ke4 (better 54.h5-+) 54...Rg4 (better 54...Kc5-+) 55.h5-/+ Rh4 (55...d3 56.Rd1-/+) 56.Kd4 (better 56.Rg1!?=) 56...Rf4-/+ 57.Kc3 Rg4 58.Re1 b4 59.Kb3 Kc5 60.Re3 (60.Re5 Kd6 61.Re8 Rh4-/+) 60...Kd4 (60...Rg5 61.Rh3-/+) 61.Rh3 (61.Re7-/+) 61...Kc5 62.h6 (62.Re3 Rg5 63.Re7 Rg3 64.Kb2-/+) 62...gh6-/+ 63.Rh6 Rg3 64.Kb2 Kc4 65.Rh4 Kb5 66.Rh5 (66.Rh8 Ka5=+) 66...Ka4-+ 67.Rh2 Rb3 68.Ka1 Rc3 69.Kb2 Rd3 70.Rf2 Kb5?? (70...Re3 71.Rc2-+) 71.Rh2 (better 71.Rf5 Kc4 72.Rf4 Kc5 73.Rf5 Kd6 74.Rf4=) 71...Kc4 72.Rh4 Rd4 (better 72...Kc5-/+) 73.Rd4= Kd4 74.Kb3 Kc5 75.Kb2 Kb5 76.Kb3 Ka5 77.Kb2 Ka4 78.Ka2 b3 79.Kb2 Kb4 80.Kb1 Kc4 81.Kb2 Kb4 82.Kb1 Ka3 83.Ka1 ½–½. Kuttruf,Andrei (2005) – Carlsen,Henrik (2080), Open ch–NOR, Oslo NOR, 2004.

9.a3 Be7 10.Nc3 Qd6 11.d4=+.

9.Nc3 Bc3 10.dc3 Qa5 11.Qb3 Be6 12.Bc4 (12.Qb5 Rfd8=) 12...Bc4=+ 13.Qc4 Ne5 14.Ne5 Qe5 15.0-0 Rfd8 16.Rad1 Ne4 Exerts pressure on the isolated pawn (16...c5 17.Qe2=) 17.Rd4 Nd2?? (better 17...Re8=) 18.Qd3+- Nf3 19.gf3 Qg5 20.Kh1 Rd4 21.Qd4 Rd8 22.Rg1 Rd4 23.Rg5 Rd2 24.Rb5 (24.Rb5 b6 25.Kg2+-) 1-0. Mehlhorn,Uwe (2165) - Selle,Thomas (2105), Oberliga Ost-A, 2001.

9.Nc3 Qe6 10.Be2 (10.Nb5 Qe7=) 10...Rad8=+ 11.0-0 Bc3 (11...a6 12.a3 Be7 13.d4=) 12.Bc3= Ne4 13.Bb2 h6 14.d3 Rfe8 15.Qc2 Nf6 16.e4 Bg4 17.h3 Bf3 18.Bf3 Nb4 (18...Re7 19.Rfd1=) 19.Qc7 Nd3 20.Bf6 Qf6 21.Qb7 Re7 22.Qb3 Rc7 23.Rfd1 (better 23.Rad1!? Rcd7 24.Be2+=) 23...Qd4=+ 24.Rf1 (better 24.Kh2 Rc3 25.Qb5=+) 24...Ne5?? (better 24...Nf2!? 25.Kh2 Qe5 26.Kg1 Rd3 27.Qb8 Kh7-/+) 25.Rfd1 Nf3?? (25...Nd3 26.Rf1 Nf2-/+) 26.Qf3+– (26.gf3?! Qf6+=) 26...Qf6 27.Qf6 Rd1 (27...gf6?? 28.Rd8 Kg7 29.Rad1+–) 28.Rd1 gf6 29.Rd8 Kg7 30.f3 (30.Rd2 Rc4 31.f3 Kg6+–) 30...Rc2 31.Kh2 (better 31.a4!? f5 32.e5+–) 31…Ra2+= 0–1. Zaichenko,Andrey – Kis_Kos,Laszlo, FICGS, 2008.

9.Bf6 gf6 10.a3 Ba5 11.Nc3 Qc5 12.Qb3 Rad8 13.Be2? (better is 13.Rc1+=) 13...Rd2-+ 14.Nd2 Bc3 (worse is 14...Qc3 15.Qc3 Bc3 16.0-0-0+=) 15.0-0 Bd2 16.Qb7 Ne5 17.Ra2 Bc3 (17...Rd8!? 18.Rb2-+) 18.Rc1 c6 19.Qb2 Bb2 20.Rc5 Rb8 21.Bb5 Ba3 (21...cb5?! 22.Rb2 Rd8 23.h3 Rd1 24.Kh2-+; 21...Rb5?! 22.Rb5 cb5 23.Rb2-/+) 22.Ra3 cb5 (22...Rb5?! 23.Rb5 cb5 24.Ra5-/+) 23.Ra7 (23.Ra5 a6! 24.Ra6 b4-+) 23...b4 (23...b4 24.Rcc7 Bc8-+) 0–1. forsetinn (2050) – moghal (2025), gameknot.com, 2013.

9.Bf6 gf6 10.a3 Ba5 11.Be2 Rad8 12.0-0 Rfe8 13.d4 b5 (13...Be4 14.Qc1+=) 14.Qc1 a6 15.a4 Kh8 (15...Rb8!?+=) 16.ab5+– ab5 17.Qb2 Rg8 18.Qb5 Bh3 (18...Qe6!?+–) 19.Qd5+– Rd5 20.Nh4 Bd7 (20...Rdg5 21.Rc1 Bb6 22.Bf3+– (22.Rc6?! Rg2 23.Ng2 Bg2+–)) 21.Bf3 Rb5 22.Rc1 Rgb8 23.g4 Rg5 (23...Ne7+–) 24.Rc6 Bc6 25.Bc6 Rg4 26.Ng2 Rb2 27.h3 Rg5 28.h4 Rh5 29.Na3 Bc3 30.Rb1 (30.Rc1!? Bd2 31.Rd1 Bb4+–) 30...Rb1 31.Nb1 Bb4 32.d5 f5 33.Kh2 Rh6 34.Kg3 Rg6 35.Kf3 Kg7 36.Bb5 Kf6 37.h5 (37.Bd3 Rg4+–) 37...Rg4 (37...Rg5 38.h6+–) 38.Bd3 Rg5 39.Nf4 Rg1 40.h6 Rh1 41.Kg3 Rh6 42.Bf1 Rh1 43.Kg2 Rh4 44.Nd3 Bd6 45.Nc3 Rg4 46.Kh3 Rg1 47.Bg2 h6 48.Bf3 Kg5 49.Ne2 Rb1 50.Nd4 Ra1 51.Kg2 Ra3 52.Nb2 (52.Ne1 Bc5 53.Nec2 Rc3+–) 52...Ra2 53.Nc4 Bc5 54.Ne2 h5 55.Ne5 f6 (55...Be7 56.Nf4+–) 56.Nf7 Kg6 57.Nd8 Bd6 58.Ne6 Kh6 59.N2d4 Kg6 60.Be2 (60.Bd1 Be5 61.Bc2 Kf7 62.Bf5 Rd2+–) 60...Be5 (60...Rd2 61.Bb5+–) 61.Bc4 Ra3 62.Nb5 Ra1 63.f4 (63.Nbc7?! Rc1 64.Nb5 Rc4+–) 63...Bd6 64.Nbd4 Ra3 65.Bb5 Re3 66.Be8 Kh7 67.Bh5 Rd3 68.Be2 (68.Nf5?! Rd5 69.Bg4 Ra5+–) 68...Ra3 69.Nf5 Kg6 70.Nfd4 Ra2 (70...f5 71.Nc6+–) 71.Kf3 Ra3 72.Ke4 Ra2 73.Bb5 Ra8 74.Nf5 Rb8 75.Bd3 Rb4 76.Ke3 Kf7 77.Nfd4 (77.Nd6?! cd6 78.Nd4 Rb8+–) 77...Ke8 78.Ke4 Kf7 79.Kf5 Rb2 80.Be2 Ke7 81.Bc4 Rf2 82.Nc6 Ke8 83.Bd3 Kf7 84.Ke4 Ra2 85.Ke3 Ke8 86.Bb5 Rb2 87.Be2 Rb3 88.Ke4 Rh3 (88...Rb1 89.Kf5 Be7 90.Bh5 Kd7 91.Kg6+–) 89.Bh5! Kd7 (89...Rh5 90.Ng7) 90.Nf8! Kc8 (90...Bf8 91.Bg4) 91.Bg4 Kb7 92.Nd8 Ka8 (92...Ka6 93.Bh3 Bf8 94.Ne6+–) 93.Bh3 Bf8 94.Ne6 Bd6 95.Kf5 Bf4 (95...Kb7 96.Bg2 Kc8 97.Kf6 Kd7+–) 96.Kf4 Kb7 97.Kf5 Kc8 98.d6! Kd7 99.dc7 Kc8 100.Bf1 Kd7 101.Bb5 Kd6 102.c8Q Ke7 103.Qf8 1–0. Pierred (2180) – Christian eck (2440), Rated game, 3m + 0s, 2005.

9.Bf6 gf6 10.a3 Bd6 =.

9.Bf6 gf6 10.Qb3 Qb3 11.ab3 Rfd8 12.Nc3 a6 13.Bc4 b5 14.Be2 Be6 15.Bd1 Ne5 16.Bc2 c5 17.Ke2 Ng4 (17...Nf3!? 18.gf3 f5=+) 18.Rhd1 f5 19.h3 Nf6 20.Na2 Ba5 21.d4 c4 22.b4 Bc7 23.Nc3 Bd6 24.Rdb1 f4 25.e4 Bf8 26.d5 Bc8 (26...Bd5 27.ed5 Nd5 28.Nd5 Rd5 29.Kf1+–) 27.Nb5!+– Bb7 (27...ab5 28.Ra8) 28.Nc3 Bg7 29.Ra3 Re8 30.Kd2 Rad8 31.b5 ab5 (31...Ne4 32.Be4 (32.Ne4?! Bd5 33.Kc1 ab5+=) 32...Bc3 33.Kc3 (33.Rc3?! Re4 34.b6 Rd5 35.Kc1 Kf8=+) 33...Re4 34.ba6 Bd5 35.a7+–) 32.Rb5 Ba8 33.Rba5 Bb7 34.Ra7 Re7 35.Kd1 Ne8 36.Kc1 Nd6 37.Ba4 (better 37.h4+–) 37...Bc3 38.Rc3 Re4 39.Ra5 (39.Bc6!? Rb8+–) 39...Rc8 40.Kd1 Re7 41.Bc2 (41.Nd4 Ne4 42.Rc2 Nd6+–) 41...f5 (41...Rec7 42.Ng5 Rc5 43.Bh7 Kg7 44.Rc5 Rc5-/+) 42.Nd4= Re5 43.g3 Bd5 44.Kd2 Rd8 45.gf4 Ne4 46.Ke1 (46.Kc1 Ree8 47.Re3 Kf8+=) 46...Nc3 (46...Ree8 47.Re3=) 47.fe5= Be4 48.Ne6 Rb8 49.Kd2 Rb2 50.Kc3 Rc2 51.Kd4 Rf2 52.Ra7 (52.Kc4 Rc2 53.Kb5 Rc3=) 52...Rd2 (52...Bd3!?=+) 53.Kc4+= Bd5 54.Kc3 Ra2 55.Rg7 (55.Ra2 Ba2 56.Nd4 f4=) 55...Kh8= 56.Re7 Be6 57.Re6 Ra3 58.Kd4 Ra4 59.Kc5 Kg7 60.Rf6 Ra5 (60...f4!?+=) 61.Kd6+– Ra6 62.Ke7 Ra7 63.Ke6 Ra6 (63...Ra3 64.h4 Ra4 65.h5+– (65.Kf5?! Rh4 66.Rd6 Kf8+–; 65.Rf5?! Rh4 66.Ke7 Kg6 67.Rf6 Kg7+–)) 64.Kf5+– Rf6? (better 64...Ra3 65.h4 Rh3+–) 65.ef6 Kf7 66.h4 Kf8 67.Ke6 Ke8 68.h5 Kf8 69.h6?? (better 69.Kd5 Kf7 70.Ke5+–) 69...Ke8= 70.Kd6 Kf7 71.Ke5 Kf8 72.Kf4 Ke8 73.Kf3 ½–½. Pierred (2260) – Lands End (2525), Rated game, 3m + 0s, 2005.

9.Bf6 gf6 10.Be2 Ne5 11.0-0 Bd3?? (better 11...Be4=+) 12.Ne5+– Be2 13.Qe2 Qe5 (13...fe5 14.Qg4 Kh8 15.Qb4+–) 14.Qg4 (14.Qg4 Kh8 15.Qb4+–) 1–0. forsetinn (2335) – festis (1905), gameknot.com, 2014.

9.a3 Bd6 10.Qb3=+.

9.Bb5 Na5 10.0-0 a6 11.Be2 Nc6 (11...b5 12.Nd4 Be4 13.a3 Bd6 14.d3 Bg6 15.Bf3 c6) 12.Na3 (12.d3 Re8= (12...Qe7 13.a3 Ba5 14.Qc2 Rad8 15.Nc3 Nc3) 13.a3 Ba5 14.Qc2 Qe7 15.Nc3 Rad8; 12.a3 Be7 13.Nc3 Re8 14.Qb3 Nb6 15.d4 Na5) 12...Qe7 (12...Re8 13.Nc2=+ Qd6 14.Nb4 Qb4 15.Qb3 Nf4) 13.Nc2 Bd6 (13...Bc5 14.Ncd4 (14.Rc1 Rac8 15.Re1 Be4) 14...Bd4 15.Bd4=+ Rfd8) 14.d3 (14.Ncd4 Nd4 15.Nd4 Be4= 0.00/13 (15...Be6=)) 14...Rae8 (14...Rad8 15.Qd2 Bd7) 15.Re1 (15.e4 Nf4) 15...Bd7 (15...Be6 16.Ncd4 Nd4 17.Nd4=+) 16.Nd2 (16.Rb1 Be6=) 16...Ncb4 (16...Qh4 17.Nf3 Qh6 18.Rb1=+) 17.a3= Nc2 18.Qc2 Qh4 19.g3 Qe7 20.Nc4 Bc5 (20...Be6 21.e4 Nb6 22.Nd6 Qd6 23.a4+=) 21.d4+= Ba7 22.Na5 Bc8 23.Ba6 ba6 24.Nc6 Qf6 25.Na7 Bh3 26.f4 Qb6 27.Nc6 Ne3 28.Qc3 Nc4 29.Nb4 (29.Ne7 Re7 30.Re7 Nb2=+) 29...Nb2-/+ 30.Qb2 Rd8 31.Re4 (31.Rad1 a5 32.Nd3 Rd4 33.Qb6 cb6-/+) 31...a5 32.Nd3 Bf5 33.Qb6 cb6 34.Re3 Rd4 35.Nf2 (35.Ne5 Re8-/+) 35...Rfd8 36.Rae1 (36.Rc1 Be6-/+) 36...h6 (36...Bd7 37.Nd3-/+) 37.Re5 Be6 38.f5 (38.Rb1 R8d6-/+) 38...Bd7 39.g4 Bc6 40.h3 Rc4 41.R1e2 b5 42.R5e3 (42.Kh2 Rc3 43.R2e3 Re3 44.Re3 b4-+) 42...b4 43.Ra2 (43.ab4 ab4 44.Nd3 Bb5-+) 43...Rc1 44.Kh2 Rc3 45.Rae2 Re3 (45...Rb8 46.ab4 ab4 47.Nd1-+) 46.Re3 Rd4 (46...Kf8 47.ab4 ab4 48.Kg3-+) 47.Kg3 a4 48.ab4 Rb4 49.Kh4 (49.h4 Kf8-+) 49...Rb3 50.Re5 (50.Rb3 ab3 51.Nd3 g6 52.fg6 fg6-+) 50...a3 51.Rc5 Bb7 52.Rc1 (52.Ra5 Rf3-+) 52...Bd5 53.Ra1 Rf3 54.Nd1 a2 55.Rc1 g5 56.fg6 fg6 57.g5 Rf1 58.Kg3 Bb3 59.Rc8 Kf7 (59...Kg7 60.Rc7 Kf8 61.Ra7 Rd1 62.gh6-+) 60.Rc7 Ke6 61.Rc6 (61.Ra7 Rg1 62.Kf3 Rd1 63.Ra6 Rd6-+) 61...Ke5 62.Rc5 Kd4 63.Ra5 Rd1 64.gh6 a1Q 65.Ra1 Ra1 66.h4 Ra5 67.Kf3 Rh5 68.Kf4 Bc2 69.Kf3 Rh4 70.h7 Be4 71.Kg3 Rh7 72.Kg4 Rh2 73.Kf4 Rh5 74.Kg4 Ke3 75.Kg3 Rh1 76.Kg4 Rg1 77.Kh3 Kf4 78.Kh4 0–1. Crafty aV – Bionic Impakt 4.01, Kleinschmidt, CT, 1999.

9.Bb5 a6 10.Bc6 bc6 11.0-0 Bd6 12.Qa4 Rb8 13.Be5 Re8 14.Bd6= Qd6 15.Nc3 Bd3 16.Rfc1 Nf6 17.Ne1= Rb4 18.Qa5 Bg6 19.d4+= Ng4 20.Nf3 Rb2 21.Nd1 Rb5 22.Qa6 Be4 23.h3 Rb6 24.Qf1 Bf3 25.hg4 Bg4 26.Rc5 Qg6 27.a4 Bf5 28.Nc3+/– Rb2 29.a5 Ra8 30.Ne2 Bd3 31.Nf4+– Bf1 32.Ng6 hg6 33.Kf1 Ra6 34.Ra4 Kf8 35.e4 f6 36.f4 Ke8 37.Kg1 Kd7 38.Kh2 Rb5 39.Kg3 Kd6 40.e5 Kd7 41.Kg4 Rc5 ½–½. pierre (2030) – jaskier (2100), internet, 2006.

9.Bb5 a6 10.Bc6 bc6 11.Ne5 Re8 12.a3 (12.0-0!?=) 12...Bd6-/+ 13.Nc3?? (better 13.f4 Qh4 14.g3-/+) 13…Be5-+ (13...Be5 14.d4 Rb8 15.de5 Rb2 16.Nd5 Qd5-+) 0–1. Mathioudakis,Diana – Schubert,Steffen, IECG, 2000.

9.Bb5 Bd6 10.0-0 Re8=+.

9.Bb5 Bd6 10.Bc6 bc6 11.Nd4 Bg6 (11...Bd3 12.Qb3 Be4 13.Nc6-/+) 12.Nc3 (12.Nc6 Qd7 13.Ne5 Be5 14.Be5 f6=) 12...Nb4 (12...Nc3 13.Bc3 c5 14.Nc6=) 13.0-0= c5 14.Nf3 c4 15.Ba3 (15.e4 Nd3 16.Rb1 f5=+) 15...c5 16.Ne1 (16.Qa4 Bd3 17.Rfc1 Qe8=+) 16...Bf5 (16...Nd3 17.Qg4-/+) 17.e4=+ Be6 18.f4 (18.Qf3 f5=+) 18...f5 (18...Qa5 19.Bb2=+) 19.e5= Be7 20.Rb1 Qd4 21.Kh1 Rfd8 Attacking the backward pawn on d2 22.Qf3 (22.Nf3 Qf4 23.Qa4 Qg4-/+) 22...Rab8 (22...Qd2? 23.Rd1 Qd1 24.Nd1 Na2 25.Qc6+–) 23.Rb2 Rb6 (23...Nd3 24.Nd3 cd3 25.Rfb1 Rb2 26.Bb2=+) 24.Nc2 Qd7 25.Ne3 (25.Rfb1 Nc2 26.Rc2 Rb1 27.Nb1 Qd3=+) 25...Ra6 (25...Nd3 26.Rbb1-/+) 26.Nb1=+ Bf8 (26...Nd3 27.Rb7 Qe8 28.Kg1=+) 27.Bb4 (27.Re1!?=+) 27...cb4-/+ 28.Rc2 (28.Re1 Bc5-/+) 28...Qd3 29.Rfc1 Rb8 (29...Be7 30.Qb7 c3 31.Qe7+–) 30.Nc4 Qf3 31.gf3 Bc4 32.Rc4 Ra2 33.Kg2 a5 (33...Kf7 34.Rc8 Rc8 35.Rc8-+) 34.Kg3 (34.Rc8 Rc8 35.Rc8 a4-/+) 34...a4-/+ 35.d4 a3 (35...Rd8 36.h3-/+) 36.d5 (36.Rc8 Rc8 37.Rc8-/+) 36...Re2 (36...b3 37.Rc8 Rc8 38.Rc8 Rg2 39.Kg2+–) 37.Na3? (37.Rc8 a2 38.Rb8-+) 37...ba3-+ Black gets the initiative 38.R4c2 (38.Rc7 a2 39.Ra7 Rd8-+) 38...Rc2 39.Rc2 Ra8 40.Ra2 Bc5 41.Kh4 Kf7 42.d6 (42.Kg5 g6-+) 42...Ke6 43.Kg3 Be3 (43...Be3 44.h3 Ra4-+) 0–1. Van Rooijen,Peter (1695) – Roberts,Anthony (2015), IECG, 2002.

9.Bb5 Be7 10.0-0 Ncb4 11.Nc3 c6 12.Bc4 Nb6 13.Bb3 (13.Be2 Bc2 14.Qc1 Bd3=+) 13...Nd3-/+ 14.Bc1 Bf6 15.Ba3 Re8 16.Qc2 (16.Ne1 Qd7-/+) 16...Qd7-+ 17.Qd1 Rad8 18.Rb1 Bg6 19.Na4 Na4 20.Ba4 ½–½. Scholz,Guenter – Hamann,Henner, BdF, 2004.

9.Bb5 Be7 10.0-0 Ndb4 11.Nc3 Bc2 12.Qc1 Bd3 13.Bd3 Nd3 14.Qc2 Re8 15.e4 Bf6 16.Rab1 Ncb4 17.Qb3 a5.

9.Bb5 Be7 10.0-0 Ndb4 11.Bc6 Nc6 12.d4 Re8=+ (12...Nb4 13.Nc3 Bg4 14.d5 c6 15.e4 cd5 16.Nd5 Re8 17.Qd4 f6) 13.Nc3 Bd6 14.Nb5 Bf8 15.Ba3 a6 16.Bf8 ab5 17.Bc5 b6.

9.Bb5 Be7 10.0-0 Ndb4 11.Ne1 a6 (11...Bd6 12.a3 (12.d3 a6 13.Bc6 Nc6 14.Nd2 Re8 15.Nc4 Bb4 16.e4 Be6 17.Nc2 f6) 12...a6 13.Ba4=+ b5 14.ab4 ba4 15.Qf3 Qh4 16.g3 Qe4 17.Qe4 Be4) 12.Be2 (12.Bc6 Nc6 13.Qf3 Qd7 14.d3 Rfe8 15.Qg3 f6 16.Nc3 Rad8 17.Rd1 Bd6) 12...Nd3 (12...Re8 13.d3=+ Bf6 14.Nc3 Qd6 15.d4 Rad8 16.Nf3 Qe6 17.a3 Nd5; 12...Qd6 13.a3 Nd5 14.Nc3 Nc3 15.Bc3 Rad8 16.d3 Rfe8 17.Qb3 b5; 12...Bd6 13.Nc3 Be6 14.f4 Qh4 15.Bf3 Na5 16.d3 Rad8 17.Ne4 Be7) 13.Bd3 (13.Nd3 Bd3 14.Bd3 Qd3 15.Qb3 Qb3 16.ab3 Rad8 17.d4 f5) 13...Bd3 14.Nd3 Qd3 15.Qg4 (15.Qb3 Qb3 16.ab3 Nb4 17.d4 Rad8) 15...f6 (15...g6 16.Rc1 f5 17.Qa4 Rad8) 16.Rc1 Rad8 17.Rc3 Qd5 18.Qa4 Qe6 (18...Rfe8 19.Rb3 Rb8 20.Qg4=+) 19.h3 (19.Qb3 Qb3 20.Rb3 Na5=+) 19...f5 (19...Rfe8 20.d3=+) 20.Ba3 f4 (20...Ba3 21.Qa3 f4 22.Qb3 Qb3 23.Rb3 fe3 24.fe3=) 21.Be7= Qe7 (21...Ne7 22.Rc7 fe3 23.fe3 Qe5 24.Qb3 Nd5-/+) 22.a3 (22.Qb3!? Rf7 23.Qb7 fe3 24.fe3= (24.Rc6?? ef2 25.Kh2 Qe5 26.g3 f1N 27.Kh1 Qe2 28.Qa6 Qh2; 24.Qc6 ef2 25.Kh2 Qe5 26.g3 f1Q 27.Qg2 Qee2 28.Qe2 Qe2 29.Kg1 Rf1; 24.de3 Rd1 25.Kh2 Rb1 26.Rb1 Qe5 27.f4 Qc3=+)) 22...Rf7 (22...Kh8=+) 23.Rc1 (23.Qb3 fe3 24.de3 Qf6=+) 23...Ne5 (23...Qf6 24.Ra2 f3 25.Qe4-/+) 24.Rf1 (24.Qb4 fe3 25.fe3 Qb4 26.ab4 Nd3-/+) 24...f3-+ 25.g3 Rf6 (25...c5 26.Nc3-+) 26.Qe4?? (better 26.Rc1 c5 27.Rc2-+) 26…Rh6-+ (26...Rh6 27.Qf5 Rf8-+) 0–1. Schulz,Hans_Juergen (2305) – Taulien,Hans_Juergen (2350), RSX9E – A00 – Sokolsky–2, 2004.

9.Bb5 Be7 10.Bc6 bc6 11.0-0 Rb8=.

9.Bb5 Nce7 10.0-0 a6 11.Ba4 (11.Be2 Re8=+) 11...Bd3 12.Re1 Bd6 (12...Nb6 13.Ne5 Na4 14.Qa4=) 13.Qc1 (13.Ne5 Be5 14.Be5 f6=+) 13...c6 (13...b5 14.Bc2 Nb4 15.Bb3=+) 14.e4= Nf4 15.Qc3 f6 16.Bd1 (16.Bb3 Kh8 17.Bc4 Bc4 18.Qc4 Nd3-+) 16...Qd7 17.g3 Qg4 18.Nd4 Qg6 19.Bc2 Bc2 20.Qc2 c5 (20...Be5 21.Qb3 Rf7 22.Kh1=+) 21.Nf5 (21.Ba3!?=) 21...Nf5=+ 22.ef5 Qg4 23.Qb3 (23.f3 Qg5=+) 23...Kh8 (23...Rf7!?-/+) 24.f3=+ Qf5 (24...Qg5 25.Qb7 Nd3 26.Re2-/+) 25.gf4= Qf4 26.Re2 Qg5 (26...Rae8!? 27.Kf1 c4=+) 27.Rg2+= Bh2 28.Kh2 (28.Kh1 Bg3 29.Kg1 Rae8+–) 28…Qh4= ½–½. Hjortstam,Kurt – Woschkat,Karl_Heinz, corr or01–001 E–mail, 2001.

9.Bb5 Nce7 10.0-0 c6 11.Be2 Qd6 12.d3 Bg6 (better 12...Qe6!?=) 13.e4+– Nf4 14.Be5 Ne2 15.Qe2 Qc5 16.Qb2 (16.a3 Ba5 17.Nbd2 Bh5+–) 16...f6+= 17.Bd4 Qb5 (17...Qd6 18.e5 fe5 19.Be5+=) 18.Nc3 Bc3 (18...Qa5 19.a3 Bc3 20.Bc3+=) 19.Qc3+– (19.Bc3?! Rfd8 20.Rfd1 Qb2 21.Bb2 c5=+) 19...b6 20.a4 Qh5 21.a5 c5 22.Be3 Rab8 23.Rfb1 f5 (23...Rfd8 24.h4+–) 24.ab6 (24.Ng5 fe4 25.ab6 ab6+–) 24...ab6 25.Ra7 Rfe8 (25...Rf7 26.Qc4 Nc6 27.Rc7 fe4 28.Rb6+– (28.Rc6?! ef3 29.Rbb6 Rbf8+=)) 26.Bf4 fe4 27.Ng5 Nf5 (27...ed3?? 28.Ne6 Kf7 29.Re1+–) 28.Ne4 Nd4 29.Ng3 Qd5 30.Bb8 Rb8 31.Re1 Bf7 32.Qb2 (32.Qd2 Rf8+–) 32...Qg5 (32...b5!?+–) 33.Ree7 Re8 34.Re8 (34.Rf7? Re1 35.Nf1 Ne2 36.Qe2 Re2-+) 34...Be8 35.h4 (35.Qb6?? Qc1 36.Nf1 Ne2 37.Kh1 Qf1) 35...Qf6 36.Qa2 Kf8 37.Qa6 h6?! (37...Qh6 38.Rb7+–) 38.Qb7 Nb5 (38...Nc6 39.Ra8 Ne7 40.Ne4+–) 39.Ra8 1–0. Benassi,Aspasio – Innorta,Giuseppe, ASIGC, 2001.

9.Bb5 Re8 10.Nd4 Ne3 11.fe3 Nd4 12.Be8 Nc2 13.Kf2 Na1 14.Ba4-/+.

9.Nc3 a6 A) 10.a3 Nc3 11.Bc3 Bc3 12.dc3 Qf6 13.Nd4 Be4=+; B) 10.Be2 B1) 10...Nc3 11.dc3 Bd6 12.Qb3 b5 13.c4 Bb4=; B2) 10...Re8 11.0-0 Qd7 12.a3 Be7 13.Nd5 Qd5=; B3) 10...Qd7 11.Nd5 (11.a3 Be7 12.Nd5 Qd5 13.d3 Qe6=; 11.0-0 Rfe8 12.a3 Be7 13.Nd5 Qd5=) 11...Qd5 12.Qb3 Qd7 13.Bc3 Be6=; B4) 10...Be6 11.Qc2 (11.0-0 Qd7 12.a3 Be7 13.Qc2 Rae8=) 11...Bd6 12.Nd5 Bd5 13.e4 Be6=; B5) 10...Nf6 11.0-0 Qd7 12.d4 Rfe8 13.a3 Bd6=; B6) 10...Rb8 11.0-0 Re8 12.Nd5 Qd5 13.d3 Rbd8=+; C) 10.Nd5 Qd5 11.a3 (11.Qb3 Qd7 12.a3 Ba5 13.Bc3 Bc3=+; 11.Qc1 Be4 12.a3 Ba5 13.Be2 Rad8=+) 11...Be7 12.Qc1 Be4 13.Be2 Rad8=+.

9.Nc3 Nc3 10.dc3 Bd6 11.Bd3 (11.Qb3 Rb8 12.Be2 b5 13.Qd5 Ne7=+; 11.Be2 Rb8 12.0-0 Qf6 13.Qb3 Qg6=+) 11...Qf6 12.Bf5 Qf5 13.Qb3 Rfd8 (13...Na5=+) 14.Rd1 Ne5 15.Ne5 Be5 16.0-0 b5 17.Ba1 Rd3 Attacking the isolated pawn on c3 18.Rd3 Qd3 19.Rd1 Qe2 20.Qd5 Threatening mate: Qxa8 20...Re8 21.a4 c6 22.Qd7 Threatening mate... how? 22...Rf8 23.Rc1 Qc4 24.a5 (24.ab5 cb5 25.Qa7 Rd8=) 24...Qc5=+ 25.Bb2 a6 26.h3 (26.Rd1 Bc3 27.Rc1 b4=) 26...Qd5 27.Qd5 cd5 28.Ba3 Rd8 29.f4 Bc7 30.Bb4 f5 31.g4 Kf7 32.Kf2 Ke6 33.Rd1 Rd7 (33...g6 34.gf5 Kf5 35.Kf3=) 34.Ke2 (34.gf5 Kf5 35.Rd4 Ke6=) 34...g6 (34...h6 35.gf5 Kf5 36.Rd4=) 35.Kd3 (35.g5 Rd8=) 35...Bd8 (35...h6 36.gf5 Kf5 37.Bf8=+) 36.g5 Be7 37.Rh1 Rc7 38.h4 White launches an attack 38...Bd8 (38...Rc4!? 39.h5 d4 40.hg6 A) 40...Bb4? 41.gh7 (41.cb4?! hg6 42.Rh6 Rb4+=) 41...Rc3 42.Kd4+–; B) 40...hg6=) 39.h5+– Rd7 40.Kd4 Kf7 41.Kc5 Ke6 (41...Be7 42.Kb6 Bb4 43.cb4+–) 42.hg6 hg6 43.Rh6 Kf7 44.Kc6 Rc7 45.Kb6 Rc3 46.Ka6 Re3 47.Rh7 Ke8 48.Kb5 Re6 49.Rb7 Ba5 50.Ba5 Re4 51.Bc7 d4 (51...Re7 52.Kc5+–) 52.Kc4 Re7 53.Rb8 Kf7 54.Bd6 Ra7 55.Rf8 Kg7 56.Kd4 Ra1 (56...Ra4 57.Kd5+–) 57.Rf6 Rd1 58.Ke5 (58.Ke5 Ra1 59.Re6+–) 1–0. Karpenko,Aleksandr D – Kirpikov,Alexander, 3 Cup Russia (e–mail), 2003.

9.Nc3 Re8 10.Bb5 A) 10...Qd6 11.0-0 (11.Nd5 Qd5 12.Qa4 Rad8 13.0-0 Bc2=) 11...Nde7 12.a3 Ba5 13.Qb3 a6=; B) 10...Nf4 11.0-0 Nd3 12.Bc6 bc6 13.Rb1 c5=+.

9.Bc4 Nb6 10.Bb3 a5 11.Bc3 Bd3 12.Bb4 (12.Bc2 Re8=+) 12...Nb4 (better 12...ab4 13.a3 Qf6-+) 13.Ne5? (better 13.a3 Qf6 14.Nc3-/+) 13...a4 14.Nd3 (14.Bf7 Rf7 15.Nf7 Kf7-+) 14...Nd3 (better 14...Qd3 15.Ba4 Ra4 16.Qe2 Nc2 17.Kf1-+) 15.Ke2 ab3 16.Qb3 Nc5 (16...Nf2 17.Rf1 Ne4 18.Qc2-+) 17.Qb2 (17.Qb5 Ne4 18.Qf5-+) 17...Qd3 18.Ke1 Ne4 (better 18...Qf5!? 19.Qc3 Nba4 20.Qd4-+) 19.Qc1 Nc4 20.Nc3 (20.a4 Ncd2! 21.Qd1 Rfd8 22.Nd2 Nd2-+) 20...Ned2 21.f3 (21.Ne2-+) 21...Qe3 22.Kd1 Rfd8 23.Kc2 (23.Nd5 Rd5 24.Qc4 Nc4 25.Kc2 Na3 26.Kb2 Rb5) 23...Qd3 24.Kd1 Nb3 (24...Nf3 25.Qd2 Qd2) 25.Ke1 Nc1 26.Rc1 (26.Kf2 Qd2 27.Kg3 Rd6 28.Kh3 Rh6 29.Kg4 Rg6 30.Kf5 Qg5 31.Ke4 Qe5) 26...Qd2 27.Kf1 Ne3 28.Kg1 Qg2 0-1. fishissushi (1965) - arnoltampubolon (1965), Rated Bullet game, lichess.org, 2020.

9.Bc4 Nb6 10.Bb5 Qd5 11.Bc6 (11.Be2 Qd7-/+) 11...Qc6-/+ (11...bc6?! 12.Nc3 Qd7 13.0-0=) 12.0-0 Rae8 (12...Qd5 13.Qb3 Bd6 14.Nc3 Qb3 15.ab3=+) 13.d4 (13.Nd4 Qg6=+) 13...Bd6 14.Nbd2 Na4 15.Qc1 Qc1 16.Bc1 (16.Rfc1?? Nb2 17.Ne5 Be5 18.de5 c6-+) 16…Bd3 (16...Bd3 17.Re1 f5-/+) 0–1. Zamarski,Ryszard – Kuperski,Marek, corr 1AMM Poland, 1991.

9.Bc4 Nb6 10.Be2 Re8 11.a3 Bd6 (11...Bc5 12.d3=+) 12.0-0 Na5 (12...Qd7 13.d3=+) 13.Nd4 (13.Bc3 Nac4=+) 13...Bd7 (13...Nac4 14.Nf5 Nb2 15.Qc2+–) 14.Qc2= Be5 (14...Nc6 15.Nb5=) 15.Bd3 (15.f4 Bf6 16.Bd3 h6=) 15...g6 (15...Ba4 16.Bh7 Kh8 17.Qf5=) 16.f4 Bf6 (better 16...Bg7 17.Be4 Na4=) 17.a4 (17.f5 Ba4 18.Qc1 Bd4 19.Bd4-/+) 17...c5-/+ 18.Qc5 Na4 19.Ra4 (19.Qa3 Nb2 20.Qb2 Nc6-+) 19...Ba4-+ 20.Qb4 Bc6 21.Rc1 (21.Bc3 Qd5 22.e4 Bd4 23.Bd4 Qb3-+) 21...Rc8 22.f5 Be5 (22...Qd5 23.e4 Qd7 24.fg6 hg6 25.Rf1-+) 23.fg6 hg6 24.Bc3 (24.Be2 Bd6 25.Nc6 Bb4 (25...bc6?! 26.Qg4-/+; worse 25...Nc6 26.Qb7 Rb8 27.Qc6 Rb2 28.g3-/+) 26.Nd8 Rc1 27.Bc1 Rd8-+) 24...Bd5-+ 25.Na3 (25.Bb5 Qh4 26.h3 Bd4 27.ed4 Qg3-+) 25…Qh4 (25...Qh4 26.g3 Qh3=+; 25...Nc6 26.Nc6 Rc6 27.Bc4-+) 0–1. Sawamura,Tetsushi – Sanmartino,Gianluca (1755), IECG, 2002.

9.Bc4 Be7 10.0-0 Ndb4 11.d4 (11.Ne1!?+=) 11...Na5 12.Be2 Nc2 13.Qd2 Bb4 (13...Na1 14.Qa5 Bb1 15.Rb1+/–) 14.Bc3 c5 15.a3? (15.dc5 Qd2 (15...Na1?! 16.Bb4 Nc6 17.Bc3=) 16.Bd2 Bc5-/+ (16...Na1?! 17.Bb4 Nc6 18.Bc3+=)) 15...Bc3 (better is 15...Nb3!? 16.Qd1 Bc3-+ (16...Nca1?! 17.Ba1 Na1 18.ab4-/+; worse is 16...Nba1 17.ab4 cb4 18.Ba1-/+)) 16.Qc3 cd4 17.Nd4 Rc8 (17...Na1? 18.Nf5 Qg5 19.Qa5+–) 18.Qb2 Nd4 (18...Na1 19.Nf5 Qf6 20.Qf6 gf6 21.Ne7 Kg7 22.Nc8 Rc8 23.Rd1+=) 19.ed4 Rc2 20.Qb5 Qd4 21.Qf5 (21.Nd2 Qd2 (21...Rd2?! 22.Qa5 Re2 23.Qf5-/+) 22.Qf5 Nb3-+ (22...Qe2?! 23.Qa5 a6 24.Rab1-/+)) 21...Re2 22.Nc3?? (22.Qa5 Qa1 23.Qa7-+) 22...Qc3 23.Rac1 Qa3 24.Ra1 Ra2 25.Rac1 Nc6 26.Qe4 (26.Rcd1 Qa4-+) 26...Rd8 27.Rfd1 (27.Rcd1 Rd1 28.Rd1 g6-+) 27...Rad2 28.Re1 Qc1! 29.Qe8 Re8 (29...Re8 30.Rc1 Ree2-+) 0–1. Schaar,Joerg (1940) – Haas,Uwe (2275), RSX16D – Goldener Oktober–1, 2007.

9.Nd4 Nd4 10.Bd4 c5 11.Bb2 Ba5 12.Qb3? (better is 12.Nc3-/+) 12...Nb4-+ 13.Na3?? (13.Nc3 Nc2 14.Kd1 Na1 15.Ba1-+) 13...Nc2 14.Ke2 (14.Qc2 Bc2 15.Nc4-+) 14...Qd2 (14...Bg4 15.f3 Qd2) 15.Kf3-+ Na1 16.Ba1 Be6 (16...Rfe8 17.Nb5 Bc2 18.Qc4 Qd1 19.Kg3-+) 17.Nc4 (17.Bc4 Qd8 18.g3 Qd7-+) 17...Qd7 (17...Qd5 18.e4 Qg5 19.h4 Qg4 20.Ke3-+) 18.Qb2 Bg4 19.Kg3 Bc7 20.f4 f6 21.Qb3 Be6 22.Qc2 Rad8 23.h4 (23.Be2 b5 24.Rd1 Qe7-+ (24...bc4?! 25.Rd7 Bd7 26.Qc4 Kh8 27.Qc5=)) 23...b5 (23...Qd1 24.Qd1 Rd1 25.Bb2-+) 24.Nb2 Qd2 (better is 24...c4!? 25.a4 a6 26.h5-+) 25.Qd2 Rd2 26.Bb5 Bd5 27.Rg1 g5 28.Nd3 (28.Bc4 Re8 29.Bd5 Rd5-+) 28...c4 (better is 28...Rb8 29.a4 Rb5 30.ab5 Rd3 31.hg5 fg5-+) 29.Nb4 gh4 30.Kh4 Rg2 (30...Bf7 31.Bf6 Be6 32.f5 Rf6 33.fe6 Rh6 34.Kg5 Rg6 35.Kh4 Bd8 36.Kh3-+) 31.Rg2-/+ Bg2 32.Bc4 Kg7 33.Nd5 (33.Kg3!? Be4 34.Bd5-/+) 33...Bd5-+ 34.Bd5 Re8 35.Bd4 Bb6 36.Bb6 ab6 37.e4 Kh6 38.f5 (38.a4 Rd8-+) 38...Rc8 39.Be6 Rc1 40.Bb3 Rf1 41.Bd5 Rf4 42.Kg3 Kg5 43.Kh3 h5 44.Kg3 (44.Kg2-+) 44...h4 0–1. Hajek,Jiri1 – Jodl,Daniel (1695), CZE–ch Juniors op–B, 2008.

9.Be2 a5 10.0-0 a4 (10...Re8 11.Bb5=+) 11.a3= Be7 (11...Bd6 12.Bb5=) 12.Bb5 Nb6 (12...Qd6 13.Nc3=) 13.d4 (13.Bc6 bc6 14.Nd4 Bd3 15.Nc6 Qd6 16.Ne7 Qe7=) 13...Na5 14.Nbd2 (14.Ba4? Nac4 (14...Na4?! 15.Qa4 Be6 16.d5 Qd5 17.Nd4=+) 15.Bc6 bc6-+) 14...Be6 (14...Qd5 A) worse 15.Ba4 Nac4 (worse 15...Na4 16.Qa4 Bd6 17.Qd1=) 16.Bb3 Nb2 17.Bd5 Nd1 18.Bb7 Ra7-/+; B) 15.Qe2 c6 16.Bd3 Bd3 17.Qd3=) 15.Rb1 (15.Qc2 Nb3 16.Rab1 Nd2 17.Nd2 Bd6=) 15...c6 (15...Nac4 16.Nc4 Nc4 17.Ba4=) 16.Bd3+= (16.Ba4? Na4 17.Qa4 Nb3 18.Qb3 Bb3 19.Nb3 Ba3 20.Ba3 Ra3-+) 16...Nac4 Attacking the isolated pawn on a3 17.Nc4 Nc4 18.Bc4 (18.Qc2 Nb2 19.Qb2 Qd6=) 18...Bc4 19.Re1 Bb3 (19...Ba2 20.Rc1=) 20.Qe2 (20.Qd3 Ba2 21.Rbc1 f5=) 20…Qb6 (20...Qb6 21.e4 Rad8=; 20...Bd6 21.Ne5=). Halamus,Agata – Leks,Hanna, Poland–chT U20 2nd div, 2001.

9.Be2 Ba5 10.0-0 Re8=+.

9.Be2 Ba5 10.a3 Nb6 11.0-0 Bd3 12.Bd3 Qd3 13.Ne1 Qb5 14.Bc3 Rad8 15.Nf3 Qd3 16.Ba5 Na5 17.Nc3 Nac4 18.Qb3 Rd7 (18...Nd2? 19.Nd2 Rfe8 20.Rfd1+–) 19.Ra2 Rfd8 20.Rc1 Nd5 21.Qc2 (21.Qb7?? Nc3 22.Rc3 Qc3-+) 21...Nc3 22.Qc3 Qc3 23.Rc3 (23.dc3?? Rd1 24.Ne1 Rc1-+) 23...Nd2 24.Nd2 Rd2 25.Rd2 Rd2 26.g3 c6 27.Rc4 Kf8 28.Ra4 a6 29.Rc4 Ke7 30.Kg2 Kd6 31.Rf4 f6 32.Rh4 h6 33.Kf3 b5 34.Rg4 g5 35.Re4 c5 36.Re8 g4 37.Kg4 Rf2 38.Ra8 c4 39.Ra6 Kd5 40.h4 c3 41.e4 Ke4 42.Kh5 c2 43.Rc6 Kd3 44.Kh6 Rg2 45.Kg6 Rg3 46.Kf6 Rg4 47.Rc2 Kc2 48.h5 Rg3 49.h6 Ra3 (50.h7 Rh3-+) 0–1. Bonetti,Shane – gottawinsky, ICC, 2002.

9.Be2 Ba5 10.a3 Re8 11.0-0 Qd6 12.d4 (12.Qb3 Be6=+) 12...Rad8 (12...a6 13.Bd3 Bd3 14.Qd3=+) 13.Qb3 Bb6 (13...Be6 14.Bc4 (14.Qb7? Rb8 15.Qa6 Bc8-+) 14...Nb6 15.Be6 Re6 16.Bc3=) 14.Nc3= Be6 15.Qc2 Nc3 16.Qc3 (16.Bc3 Bd5=) 16...Bd5 17.Rfd1 (17.Bd3 Bf3 18.gf3 Qf6=) 17...Qf6 (17...a6 18.Bd3 Qe7 19.Qc2=) 18.Rac1 a6 19.a4 Qg6 20.Nh4 (20.Qd3 Qe6=) 20...Qe4 (20...Qe6 21.Bc4=+) 21.Nf3= h6 (21...Ba5 22.Qd3=) 22.Ba3 Qg6 23.Bc5 Ba5 24.Qb2 Be4 25.Qb3 (25.Qb7?? Nd4 26.Qa6 Bf3 27.Qg6 Ne2 (27...fg6? 28.Bc4 Bd5 29.Bd4+–) 28.Kf1 fg6 29.gf3 Nc1 30.Rc1 Kf7-+) 25...Qh5 (25...Rd7 26.Bd3 (< 26.Qb7 Nd4 27.Rd4 Bb7 28.Rd7 Qc6-/+) 26...Bd3 27.Qd3= (27.Qb7 Be2 28.Qb1 Qb1 29.Rb1 Bd1 30.Rd1 g5-+)) 26.h3 (26.Qb7 Nb4 27.Nd2 Qe2 (27...Bb7 28.Bh5 Na2 29.Rc2+/–) 28.Ne4 Rb8-/+) 26...Re6 (26...Bd5 27.Qd3= (< 27.Qb7 Nb4 28.Qb4 Bb4 29.Bb4 Rb8-+)) 27.Kh2 (27.Ba3 Bb6=) 27...Bd5 (27...Qf5 28.Ba3 Bd5 29.Bc4 Bc4 30.Rc4=) 28.Qb1 (28.Qb7 Nb4 29.g4 Qg6 (29...Bb7?! 30.gh5 Na2 31.Rb1 Bf3 32.Bf3=) 30.Bb4 Bb7 31.Ba5 Rf6-/+) 28...Rde8 29.g4 (29.Qb7? Nb4 30.Qb4 Bb4 31.Bb4 Rb6-+) 29...Qg6 30.Qg6 (30.Qb7? Nb4 31.Bb4 Bb7 32.Ba5 Qf6-+) 30...Rg6 31.Rb1 Rf6 (31...Be4 32.Rb2= (< 32.Rb7 Nd4 33.Nd4 Bb7-/+)) 32.Kg3 b6 33.Ba3 Be4 (33...Ba2 34.Rb2 Bd5 35.Nh4=) 34.Rb2 (34.Rbc1 b5+=) 34...Bc3 35.Rb3 Ba5 36.Rc1 Rb8 (36...Bd5 37.Rb2+=) 37.Rb2 b5 38.Nd2 Bd2 39.Rd2 b4 40.Bb2 Na5 (40...Bd5 41.Rc5 (41.Ba6?! Na5 42.Be2 Nb3=) 41...Rd8 42.a5+/–) 41.Rc7+– Nb3 42.Rd1 Rc6 43.Rc6 Bc6 44.Ba6 Ba4 45.e4 Ra8 (45...Kf8 46.Kf4+–) 46.Bf1 Rc8 47.d5 Rc2 48.Bd4 Nd2 49.Bd3 Ra2 50.Re1 Ra3 (50...Bc2 51.Bc2 Rc2 52.f3+–) 51.Re3 Bb3 (51...Nb3 52.Bb2+–) 52.d6 Ba4 (52...Be6 53.f4+–) 53.e5 Bd7 (53...Bc6 54.f4+–) 54.f4 Nb3 55.Bb6 Na5 56.Ba5 (56.f5 Nc6 57.Kf4 b3+–) 56...Ra5 57.f5 Ra3 58.Kf4 (58...Rc3 59.Ke4+–) 1–0. Mehlhorn,U – Hartwich,V, H–2078–D, 2001.

9.Be2 a6 10.0-0 b5 (10...Re8 11.a3 Bd6 12.Nc3=+) 11.d3 Nb6 12.Qc2 Ne7 (12...Nc4 13.Bc3 N4a5 14.Bb4 Nb4 15.Qc3=) 13.Nbd2 (13.Bg7!? Kg7 14.Qb2 Kg8 15.Qb4+–) 13...c5 (13...Na4 14.Be5=) 14.a3 (14.Ne4 Rc8+=) 14...Ba5 15.Nb3 Nd7 (15...Na4 16.e4 (16.Nc5? Rc8-+) 16...Bg4 17.Nc5=) 16.Na5 (16.e4 Bg6+=) 16...Qa5= 17.Ne5 Ne5 18.Be5 Rac8 (18...Qb6 19.Rfb1=) 19.Bd6+– Rfe8 20.e4 (20.Bc5?! Ng6 21.Qc1 Nf4 22.ef4 Re2=) 20...Qb6 (better 20...Nc6!? 21.Qc5 Qd8+=) 21.Be7+– Be4 22.Bg5 (22.de4 Re7 Annihilates a defender: e7) 22...Bf5 (22...Bg2 23.Kg2 Qg6 24.f4+–) 23.Rfd1 (23.Be3 Qf6 24.Qc1 Qe5+–) 23...c4 (23...Qg6 24.Be3 c4 25.Qd2+–) 24.Qd2+– c3 The passed pawn on d3 will quickly become a dangerous weapon (better 24...Qe6 25.Re1 h6+–) 25.Be3?? (25.Qc2 Be6 26.Bf3 Qd6+–) 25...Qb7?? (better 25...cd2 26.Bb6 Re2-+) 26.Qc2+– a5 27.Rab1 b4 28.Bf3 Qb8 29.Be4 (better 29.ab4!? ab4 30.Rdc1+–) 29...Be6+– 30.ab4 ab4 31.Re1 b3 32.Qe2 (better 32.Qc1!?+=) 32...c2 33.Rb2 Qe5 34.Bc1 Ra8?? (better 34...f5 35.Bb7 Qe2 36.Re2 Rcd8=) 35.Bh7!+– Kh7 36.Qe5 Bd7 (36...Kg8 37.Be3+–) 37.Qh5 Kg8 The mate threat is Rxe1 38.Kf1 Ra1 39.Re8 (39.Rb3 Re1 40.Ke1 Rc1 41.Kd2 Rb1 42.Kc2 Ba4 43.Kb1 Bb3+–) 39...Be8 40.Qg5 Rb1 41.Ke1 f6 42.Qe3 Bc6 (42...Bf7 43.Kd2 Kf8 44.Qc5 Kg8 45.d4+–) 43.f3 (43.Rb3 Rb3 44.Qe6 Kh7 45.Qb3 Bg2+–) 43...g5 (43...Kf7 44.Kd2 Bd5 45.Qa7 Kg6 46.Qa5+–) 44.Kd2 Kg7 45.Qe7 Kg6 46.Qb4 (better 46.Qe6 Ba8+–) 46...Bd5 47.Qb5 Be6 48.Qe8 (better 48.d4!? Rb2 49.Bb2 g4+–) 48...Bf7 49.Qe4 f5 (49...Kg7 50.d4 Ra1 51.d5+–) 50.Qc6 Kg7 51.d4 Bg6 52.d5 f4 53.d6 Bd3 54.Qc3 (54.Qc3 Kg6 55.d7 Ra1 56.d8Q Ra6 57.Qcd3 Kh5 58.Qh7 Rh6 59.Qe8 Kh4 60.Qh6) 1–0. Ruhle,Ernst Albrecht – Reischl,Peter, Bargteheide, 1988.

9.Be2 Bc5 10.0-0 Bb4 (10...Re8 11.Qb3=+) 11.Bb5 (11.a3 Bd6=) 11...a6 (11...Nde7 12.a3 Bd6 13.Qc1=) 12.Bc6+= bc6 13.Nd4 (13.Ne5 Bd6=) 13...Bd7 (13...Bd3 14.Nc6 Qg5 15.f4=) 14.a3 (14.Qc2 c5 15.Nf3 Qe7+=) 14...Bd6= 15.Qc2 c5 (15...Rb8 16.d3=) 16.Nf5 (16.Nf3 Bg4=) 16...Rb8 17.Ng3 (17.Bg7? Bf5 18.Qf5 Kg7-+; 17.Nd6?! cd6 18.Nc3 Nc3 19.Bc3 Qg5=) 17...Bb5 (17...Nf6 18.Nc3=) 18.Rc1 Nb6 (18...Bg3 19.fg3 Nb6 20.Qc3=) 19.Ne4 (19.Nf5!?=) 19...Bd3 20.Qc3 (20.Qd3 Bh2 Double attack) 20...f6 21.Nd6 Qd6 22.a4 Rfd8 23.a5 (23.Ba3 Na4 24.Qa5 Bb5-/+) 23...Nc4 24.Ba3 Rb5 (24...Na3?! 25.Na3 (worse 25.Qa3 c4 26.Qa2 Rb4=+) 25...c6 26.Nc4+=) 25.Rd1 (25.e4-+) 25...Rdb8 (25...Ra5?! 26.Qc1-/+) 26.Bc5 Rc5 (26...Qc5?! 27.Qd3 Nb2 28.Qe2 Nd1 29.Qd1 Ra5 30.Ra5 Qa5 31.Nc3-+) 27.Rc1 (27.Qd4 Qd4 28.ed4 Ra5 29.Ra5 Na5-+ (29...Rb1?! 30.Rb1 Na5 31.Rc1-+; 29...Bb1?! 30.Ra6 Nd6 31.Rc6-/+)) 27...Rc6 28.Re1 Bb1 (better 28...Ne3 29.de3 Rc3 30.Nc3-+) 29.Rab1 Rb1 30.Rb1 Nd2 31.Rb8 Kf7 32.Qa1 0–1. Bonetti,Shane – messchess (2625), ICC, 2002.

9.Be2 Qd6 10.0-0 Rfd8 11.d4 Rab8 (11...Qe6 12.a3 Bd6 13.Nc3=+) 12.Nh4 (12.a3 Ba5=) 12...Bd7 (better 12...Be4=) 13.e4? (13.a3!? Ba5 14.Bd3=) 13...Nf4-/+ 14.d5 Qe7 15.g3 Nh3 (15...Bh3 16.Bf3-/+) 16.Kg2 (16.Kh1 Bc5 17.dc6 bc6= (worse 17...Qe4 18.f3 Qc6 19.Qe1+=)) 16...Ng5 (16...Qe4?! 17.Bf3 Nf4 18.Kh1=) 17.Nf5?? (better 17.f3=+) 17…Qe4-+ (17...Qe4 18.f3 Qf5 19.dc6 Bc6-+) 0–1. Shoup,Karl – Poellen,Peter, corr, 1988.

9.Be2 Qd6 10.a3 Ba5 11.0-0 Rad8 12.Qb3 Qe6 13.d4 Rfe8 14.Nbd2 (14.Qb7?? Rb8 15.Qa6 Rb6-+) 14...b6 15.Rac1 Bd2 16.Nd2 Na5 17.Qd1 Re7 18.Bf3 Bd3 19.Re1 c6 (19...Qh6 20.Bc3 Nc3 21.Rc3+=) 20.g3+= f5 21.Bg2 b5 22.Nf1 (22.e4 Rde8+=) 22...Bc4= 23.Nd2 Bd3 24.a4 a6 25.Ba3 Ree8 26.Bc5 Ra8 (26...Nc4 27.e4 fe4 28.Ne4 Be4 29.Be4+=) 27.e4 fe4 28.Ne4 Be4 29.Re4 Qd7 30.Re8 Re8 31.ab5 ab5 (worse is 31...cb5 32.Ra1 Nc4 33.Ra6+–) 32.Ra1 Nc4 33.Qh5 Qf7 34.Qf7 Kf7 35.h4 Nd2 (35...h6 36.Bh3 b4 37.Bd7+=) 36.Ra7+/– Kf6 (36...Kg8 37.Ra6+/–) 37.Ra6 Re6 38.Bh3 Re1 39.Kg2 Re2 40.Rc6 Kf7 41.Kg1 Re1 42.Kh2 Re2 43.Bg2 Ne4 44.Be4 Re4 45.Ra6 Re2 46.Kg2 Rc2 47.Ra7 Kg8 48.Kf3 g6 49.Rb7 Rb2 50.Bd6 Nc3 51.g4 h5 52.g5+– Rd2 53.Be5 Kf8 54.Rb6 Rd3 55.Kg2 Nd5 56.Rg6 Rd4 57.Bd4 Nf4 58.Kg3 Ng6 59.f4 Kf7 60.f5 Ne7 61.Kf4 b4 62.Ke4 b3 63.Bb2 Ke8 64.g6 Kd7 65.Ke5 (65.Ke5 Kc6 66.g7+–) 1–0. forsetinn (2340) – chandragupta (2170), gameknot.com, 2014.

9.Be2 Qd6 10.Nc3 Nc3 (10...Rad8 11.0-0=+) 11.dc3= Qd1 (11...Rad8 12.Qd6 Bd6 13.Nd4 Nd4 14.cd4=) 12.Rd1 Bd6 13.0-0 (13.a3 Rad8=) 13...Rfe8 (13...Rad8 14.Rd2=) 14.Nd4 (14.Bb5 Be4=) 14...Nd4 15.cd4 Be4 (15...c6 16.Bd3 Be6 17.a3=) 16.d5 (16.Bc4 b5 17.Bb3 Rad8=) 16...Rad8 17.Bb5 (17.Bc4 c6 18.dc6 bc6=) 17...Re7 18.Bc4 b5 19.Be2 (19.Bb5 Rb8 Decoy) 19...a6=+ 20.Bf3 Bf3 21.gf3 Be5 22.Be5 Re5 23.e4 f5 24.Rfe1 Rde8 (24...g5 25.Kf1=) 25.Rd4 Kf8 26.Kg2 (26.Kf1 Ke7=) 26...Ke7=+ 27.Kg3 (27.Rd3 Kd7 28.Rde3 f4=) 27...Kd6 28.a3 g5 29.h4 (29.Re2 h5=+) 29...gh4 30.Kh4 fe4 31.fe4 Rf8 32.Re2 a5 33.Kg4 (33.Kg3 Rg5 34.Kh4 h6=) 33...h5-/+ 34.Kg3 Rg5 35.Kh3 Rf3 36.Kh4 Re5 37.Re3 Rf2 38.Kg3 Rf1 39.Rd2 (39.Kg2 Rf8-+) 39...Rg5 40.Kh4 (better 40.Kh2-+) 40...Rg4 41.Kh3 Rh1 42.Rh2 Rh2 43.Kh2 b4 44.e5 Kd5 45.e6 Rg8 46.e7 Re8 0–1. usingprogram (1975) – knockout (2025), kurnik, 2011.

9.Be2 Qe8 10.0-0 Rd8 11.a3 Ba5 12.d4 Qe6 13.Qb3 Bb6 14.Re1 Rfe8 15.Nbd2 Qh6 16.Rac1 Re6 17.Qa4 Rg6 18.Nf1 Bd7 19.Qc2 Bg4 20.Ng3 Ba5 21.Rf1 a6 22.Bd3 Rf6 23.Be4 Bb6 24.Bd5 Rd5 25.Qe4 Be6 26.Ne5 Ne7 27.a4 Rd8 (better is 27...Qg5!?=) 28.Qb7+/– Bd5 29.Qa6 Bd4 30.Ng4 Ra6 31.Nh6 gh6 32.Bd4 Nc6 33.Bf6 Rd6 34.e4 Be6 35.f3 Kf8 36.e5 Rd5 (36...Rd4 37.Ne4+–) 37.Ne4 Bf5 38.Rc3 Ne5 (38...Ke8 39.Rfc1 Nd4 40.Ng3+–) 39.Rc7 Ra8 40.Nc3 Rda5 41.Rd1 h5 42.Rd6 Be6 43.Ne4 Nc4 44.Re6! fe6 45.Rc4 1–0. pcmvr – pierred (2795), net–chess.com, 2016.

9.Be2 Qe8 10.0-0 Rd8 11.a3 Ba5 12.d4 Qe6 13.Nbd2 Bc3 14.Qc1 Bd2 15.Nd2 Qg6 16.Bf3 Bd3 17.Re1 f5 18.Qd1 Be4 19.Rc1 Bf3 20.Nf3 a6 21.Qb3 Na5 22.Qd3 Nc6 23.Qb3 Rf6 24.Rc5 (24.Qb7? Rb8 25.Ne5 Rb7 26.Ng6 Rg6-+) 24...Rfd6 25.Ba1 (25.Qb7 Rb8 26.Qa6 Nd4 (26...Rb2? 27.Rc6 Rb8 28.Ne5+–) 27.ed4 Ra6 28.Rd5 Re6-+ (28...Rb2?! 29.Rd8 Kf7 30.Ne5 Ke7 31.Rd7 Ke8 32.Ng6 Kd7 33.Ne5 Kd8 34.h4-/+)) 25...Qe6 (25...b6 26.Rc6 Rc6 27.Ne5+=) 26.Rec1 (26.Qb7!? Nce7 27.Qb3+/–) 26...Nce7 27.h4 Rb6 28.Qa2 Nf4 29.R5c4 Nfd5 30.Ng5 Qd6 31.Rc5 h6 32.Nf3 Kh7 33.Qc2 Qf6 34.a4 Qg6 35.Ne5 Qh5 36.Re1 Qh4 37.e4 fe4 38.Re4 Qh5 39.Nf3 Nb4 40.Rh5 (40.Qb1 Nbd5 41.Qc2 Nb4=) 40...Nc2+= 41.Re7 Rb1 42.Kh2 Ra1 ½–½. Buczinski,Henryk (2165) – Zakharov,Oleg (2195), SA–2011–0-00204, 2011.

9.Be2 Re8 10.0-0 a6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 a6).

9.Be2 Kh8 10.0-0 Bd6 11.a3 f6 12.Nc3 Nc3 13.Bc3 a6 14.Qb3 Rb8 15.Rfc1 Qe8 16.Nh4 Be6 17.Bc4 Bc4 18.Qc4 Ne5 19.Qe2 Qa4 Exerts pressure on the isolated pawn 20.f4 Nc4 The pressure on the isolated pawn grows 21.Bf6 Na3 (21...Na5 22.Bc3 Nb3+= (22...Ba3?? 23.Bg7 Kg7 24.Qg4 Kf6 25.Qf5 Ke7 26.Ra3 Rf5 27.Nf5 Kf6 28.Ra4+–)) 22.Bb2+– b5? (better 22...Qb5 23.d3 Qe8 24.Ba3 Ba3 25.Ra3 Qe7+–) 23.Qg4+– Rf7 24.Nf5 Bf8 25.Nh6 (25.Nh6 Re7 26.Ba3+–) 1–0. Djurisic,Dusan (1990) – Pavlovic,L (1620), Spring Open, Belgrade SRB, 2009.

10.Bb5 Qd6 11.0-0 a6 12.Bc6 Qc6 13.Nd4 Qb6 14.Qb3 Be4 15.Bc3 c5 16.Ba5 Qa5 17.Ne2 Qb5 18.Qb5 ab5 19.Nbc3 Nc3 20.Nc3 Bd3 21.Rfc1 Rfd8 22.f3 b6 23.Kf2 h6 24.Ne2 Ra5-/+ 25.Nf4 g5 Black gets the initiative 26.Nd3 Rd3 27.Ke2 Rda3 28.Ra3 Ra3 29.d4 Ra2 30.Kd3 c4 31.Kc3 Ra3 32.Kd2 Rd3 33.Ke2 Rb3 34.Rc2 Kf8 35.e4 Ke7 36.g3 Kd6 37.Ra2 b4 38.Ra7 Rb2 (38...Rb2 39.Ke3 b3-+) 0–1. Van Rooijen,Peter (1700) – Bourgoin,Claude (2020), WC.2005.P.00007, 2002.

10.Be2 Qd7 11.Nc3 Nc3 12.dc3 Qe6 13.0-0 Rfd8 14.Nd4 Nd4 15.cd4 Qb6 16.Qa4 c5 17.Qb5 Qb5 18.Bb5 a6 19.Be2 Rac8 20.Rfc1 Be6 21.Bf3 (worse is 21.Rc5 Rc5 22.dc5 Rd2 23.Ba6 Rb2-+) 21...c4 22.Bc3 Bc3 23.Rc3 b5 24.Kf1 g5 25.h3 Kg7 26.Ke2 Rb8 27.Rb1 (27.Rd1 Rb6=) 27...Bf5 (27...a5 28.d5 Bd5 29.Bd5 Rd5 30.Rc4 bc4 31.Rb8=) 28.Ra1 a5 29.Kd2 Be6 30.Rcc1 b4 31.ab4 ab4 32.Ra5 c3 33.Kc2 Rdc8 34.Rg5 Kf6 35.Rc5 Rc5 36.dc5 Rb5 0–1. Schmidt,Karl Heinz (2155) – Robert,Gerard (2135), EU/WS/M/029 ICCF, 2011.

10.Be2 Qe7 11.0-0 Rad8 12.Qa4 Nb6 13.Qb3 Qe6 14.Qe6 fe6 15.d4 Na4 16.Ra2 Be4 (16...Ne7!?+=) 17.Ba1= Bd5 (17...Bg6 18.Rc1=) 18.Rc2 Be4 (18...Bb3 19.Rcc1 e5 20.de5+/–) 19.Rcc1 Bf3 (19...Bf5 20.Bb5 Nb6 21.Bc6 bc6 22.Ne5+/–) 20.Bf3+= Rd6 21.Rfd1 h6 22.Kf1 (22.Nd2 Bd2 23.Rd2 Nb6+/–) 22...Nb6 (22...Rf5 23.Nd2 Bd2 24.Rd2+=) 23.Nc3 Bc3 24.Rc3 Nd5 (24...Rf5 25.Rb1+=) 25.Rc2+/– Rd7 26.e4 Nb6 27.Bg4 Re7 28.Ke2 g6 29.Ke3 Na5 30.Be2 c6 31.f4 Na4 32.g3 Nb3 33.Bc4 Na1 34.Ra1 Kg7 35.Bb3 Nb6 36.a4 Nc8 37.a5 a6 38.h4 Nd6 39.Rc5 h5 40.Re5 Kf6 41.Rg5 Nf7 42.Rc5 Rd8 43.Ra4 Kg7 44.Ba2 Nd6 45.Re5 Kf6 46.Ra3 Nf7 47.Rd3 Nd6 48.Bb3 Rdd7 49.Rg5 Kg7 50.Rd1 Rd8 51.Rd2 Nf7 52.Rc5 Nd6 53.Rd1 Nf7 54.Rd2 Nd6 55.Rd1 Nf7 56.Rd2 Nd6 57.Bd1 Nf7 ½–½. Wantoch_Rekowski,Jacek (2305) – Ruhmke,Stephan, 60yearsBdF–WS20, 2006.

10.Be2 Qe7 11.0-0 Rad8 12.Qb3 Nf4 13.ef4 Qe2 14.Qb7 Be4 15.Re1 Qd3 16.Ne5 Ne5 17.Qe4 (17.Re4?? Rb8 18.Qb8 Nf3 19.gf3 Rb8-+) 17...Qe4 18.Re4 Nd3 19.Bd4 (better is 19.Bc3!? Bb6 20.Kf1+=) 19...f5-+ 20.Re5 Ne5 (20...Rd4?! 21.Ra5 Nc1 22.Rb5= (worse is 22.Ra7 Re8 23.Kf1 Nb3+=)) 21.Be5 Bd2 22.Nd2 Rd2 23.Bc7 Rc8 24.Ba5 Ra2!! 25.Rf1 (25.Ra2 Rc1 Mate attack) 25...Ra3 26.Bb4 Ra2 27.g3 Rcc2 28.Bd6 a5 29.Rb1 (29.Kg2-+) 29...Rf2 30.Rb8 Kf7 31.Be5 Rg2 32.Kf1 Rh2 33.Rb7 Kg6 34.Kg1 Rhd2 35.Rb6 Kh5 36.Rb1 Rg2 37.Kh1 (37.Kf1-+) 37...Kg4 38.Rc1 Kh3 (38...Kh3 39.Bg7 Rh2 40.Kg1 Rag2 41.Kf1 Rh1; 38...Rh2 39.Kg1 Rag2 40.Kf1 Kh3 41.Bd4 Rh1 42.Bg1 Rhg1) 0–1. Jostov,Keylah – Do Amaral,Rogerio (1820), OP–2009–0-00865, 2009.

10.Be2 Re8 11.0-0 Qe7 12.Bb5 Bg4 13.Qa4 Bf3 14.gf3 Rad8 15.Kh1 Bb6 16.Rg1 g6 17.Bc6 bc6 18.Qc6 Qh4 19.Rg3 Re6 20.Qc1 Nf4 21.Qc4 Ng2 22.Qf1 Be3 23.fe3 Re3 24.Kg2 Rb3 25.Qe1 Qc4 26.Bc3 Rb6 27.Rg4 Qa6 28.Re4 f6 29.Bb4 Qb5 30.d4 Qg5 31.Kh1 1–0. Tumurbator – Sliwa, Skopje 1972.

10.Bb5 Na5=+.

10.Nc3 a6 11.Nd5 Qd5 12.Qc1=+.

10.Nc3 Nb6 11.d4 Na5 12.Bd3 Bd3 13.Qd3 Nac4 14.Qe2 Qd7 15.0-0 Rfe8 16.Rfc1 Bf8 (16...Rad8 17.a4 a5 18.Rab1=) 17.Nb1 (17.Qc2 Bd6=) 17...Nb2 18.Qb2 Rac8 19.Nc3 c5 20.Rd1 cd4 21.Nd4 Nc4 22.Qb3 Red8 23.h3 (23.Nf3 Bd6=) 23...Na5 24.Qb2 Qe7 25.Nce2 g6 26.a4 Rc4 27.Qb5 Rc5 28.Qb1 b6 29.Qa2 Qd7 30.Rd2 Nc4 31.Rd3 Ne5 32.Rd2 Qb7 33.Rad1 Qa6 34.Rc2 Nc6 35.Qb3 Nd4 36.Rd4 Rd4 37.Nd4 Qc8 38.Kf1 Bg7 39.Rc5 Qc5 0–1. Pech,Jaroslav – Denisov,Timofey (2000), FICGS, 2013.

10.Nc3 Nb6 11.d4= Na5 12.Bd3 Bd3 13.Qd3 Nbc4 14.Qc2 a6 15.0-0 b5 16.e4 Re8 17.Nd5 (17.Bc1 Qd7=) 17...Nb2+= 18.Qb2 Bd6 (18...Nc4 A) worse is 19.Ne7 Qe7 (19...Re7?! 20.Qb1=) 20.Qc3 Qe4-/+; B) 19.Qb3+=) 19.Qb1 (19.Qc2 Nc4=) 19...c6 (19...Nc4 20.Nb4+=) 20.Ne3= c5 21.Rd1 cd4 22.Rd4 Qb6 23.Nd5 Qc5 24.Qd1 (24.Ne3 Bf4 25.Qd3 Be3 26.Qe3 Nc4+=) 24...Nc4+= 25.a4 Rac8 (25...Nb2 26.Qd2 Na4 27.Rc1=) 26.ab5= ab5 27.h3 (27.Ra6 Ra8 28.Ra1 Ra1 29.Qa1 Qc6+=) 27...Qc6+= 28.Qb1 Bc5 29.Rd1 Qg6 30.Re1 b4 31.Qd3 Nb6 32.Ra6 Qg3 33.Ne3 Qg6 34.Nd5 ½–½. Degterev,Pavel (2530) – Mateka,Petr (2210), Champions League, 2007.

10.Nc3 Qd6 11.d4 Rad8 12.Bd3 Nc3 13.Bc3 A) 13...Bg6 14.0-0 (14.Bg6 Qg6 15.0-0 b5 16.Qb1+=) 14...Qe6 15.Bg6 fg6 16.Qc2+=; B) 13...Qg6 14.Bf5 Qf5 15.Qb1 Qg4 16.0-0+=; C) 13...Qd7 14.Bf5 (14.0-0 a6 15.Bf5 Qf5 16.Qb3+=) 14...Qf5 15.Qb1 Qg4 16.0-0+=; D) 13...Qe6 14.Bf5 (14.0-0 Bd3 15.Qd3 Rd7 16.Rfb1=) 14...Qf5 15.Qb1 Qg4 16.0-0+=; E) 13...Qf6 14.Bf5 (14.0-0 Rfe8 15.Bf5 Qf5 16.Qb1+=) 14...Qf5 15.Qb1 Qg4 16.0-0+=; F) 13...Qd5 14.Bf5 (14.Rb1 b6 15.Bf5 Qf5 16.0-0=; 14.0-0 Bg4 15.Qb1 Bf3 16.gf3=) 14...Qf5 15.Qb1 Qg4 16.0-0+=; G) 13...Bd3 14.Qd3 a6 15.0-0 Rfe8 16.Rfb1=.

10.Nc3 Qd6 11.d4 Rad8 12.Bd3 Bd3 13.Qd3 A) 13...f5 14.Rc1 (14.0-0 Qe6 15.Rfd1 a6 16.Rab1=; 14.Rb1 Qe6 15.0-0 a6 16.Nd5=; 14.Nd5 Qd5 15.Rb1 Na5 16.0-0=; 14.Qb5 Qe6 15.Qb3 Na5 16.Qa4=) 14...Nb6 15.0-0 f4 16.Ne2=; B) 13...Rfe8 14.0-0= (14.Qf5 Nc3 15.Bc3 Bf6 16.0-0=) 14...Bf6 15.Rfc1 Qe6 16.Nd5=; C) 13...Qe6 14.0-0 (14.Nd5 Rd5 15.0-0 f5 16.Rfb1=; 14.Qe4 Qe4 15.Ne4 Rfe8 16.Nc3=) 14...f5 15.Rab1 a6 16.Nd5=; D) 13...Nc3 14.Bc3 a6 15.0-0 Qe6 16.Rfd1+=; E) 13...Qf6 14.0-0 (14.Nd5 Rd5 15.e4 Qg6 16.Rd1=) 14...Rfe8 15.Nd5 Rd5 16.e4=; F) 13...Rde8 14.0-0 (14.Qf5 Nb6 15.Rb1 g6 16.Qc2=) 14...f5 15.Rfc1 Nb6 16.Nb5+=; G) 13...Nb6 14.Qf5 (14.0-0 f5 15.Rfd1 a6 16.Rac1=; 14.Rd1 a6 15.0-0 Na5 16.Nd2=; 14.Rb1 f5 15.0-0 a6 16.Qc2=) 14...Nc4 15.Qc2 a6 16.0-0=.

10.Nc3 Qd6 11.d4 Rad8 12.Bd3 Qe6 A) 13.Nd5 Qd5 14.Bf5 (14.Bc3 Bd3 15.Qd3 Rfe8 16.0-0=; 14.0-0 Rfe8 15.Rb1 Bd6 16.Bf5=; 14.Rc1 Bd3 15.Qd3 Rfe8 16.Qc4=) 14...Qa5 15.Bc3 Qc3 16.Ke2=; B) 13.Bf5 Qf5 14.0-0 (14.Qb3 Qe6 15.Rc1 Na5 16.Qb5=; 14.Rc1 Qg4 15.Nd5 Rd5 16.0-0=; 14.Qb1 Qe6 15.0-0 Nb6 16.Rd1=) 14...Qe6 15.Rb1 Rfe8 16.Qb3+=.

10.Nc3 Qd6 11.d4 Rad8 12.Bd3 Qg6 13.Bf5 Qf5 14.Qb1 (14.Qb3 Qe6 15.Rc1 Na5 16.Qb5=; 14.0-0 Qe6 15.Rb1 Rfe8 16.Qb3+=; 14.Rc1 Nc3 15.Rc3 Rfe8 16.Qb3=) 14...Qh5 (14...Qe6 15.0-0= (15.Nd5 Rd5 16.Bc3=) 15...Nf6 16.Rd1=) 15.Nd5 Rd5 (15...Qd5 16.0-0=) 16.e4 Rd6 (16...Rb5 17.Qc2=) 17.d5 Nb8 (17...Nd8 18.Qc2 c6 19.Nd4=) 18.Be5 (18.Bd4 b6 19.0-0 c6+=) 18...Rg6= 19.Bg3 Bf6 20.Ra2 Bc3 21.Nd2 Nd7 (21...Be5 22.Qd1 Qg5 23.Rc2 Bg3 24.hg3= (worse 24.fg3 c6=+)) 22.0-0 (22.Qb7?? Rb6 23.Qb6 Nb6-+ (worse 23...ab6 24.Bc7 Rc8 25.Bg3-+); 22.Bc7?! Re8 23.Bg3 Rb6=+) 22...f5 23.Qb3 (23.ef5 A) 23...Rf5? 24.Qb3 Rg3 25.d6 (25.fg3?? Bd4 26.Rf2 Bf2 27.Kf1 Nc5-+; 25.hg3?! Ba5+–) 25...Qf7 26.dc7+–; B) 23...Qf5 24.Rc1 Bd4 25.Qf5 Rf5 26.Rc7 Rg3=) 23...Be5 (23...Bd2 24.d6 Kh8 25.ef5 Rg3 26.hg3 Bg5 27.Qb7 Qf7 28.dc7 Nb6+–) 24.Be5+= (24.Qb7 f4 25.Qa7 Qe2-+) 24...Ne5 25.f4 (25.d6 Kh8 26.dc7 fe4+=) 25…Rb6 ½–½. Gavrijski,Dimitar (2010) – Haznedaroglu,Kivanc (1990), corr ICCF WSTT/3/06/2, 2006.

10.Nc3 Qd6 11.d4 Rad8 12.Bd3 Bg6 13.0-0 Bd3 (13...Qe6 14.Nd5 Qd5 15.Bg6 fg6 16.Re1=; 13...a6 14.Nd5 Qd5 15.Bg6 fg6 16.Qc2=; 13...Nc3 14.Bc3 Qe6 15.Bg6 fg6 16.Qb1+=) 14.Qd3 Nb6 15.Rad1 Rfe8 16.Qc2=.

10.Nc3 Qd7 11.Be2 (11.Bb5 Nc3 12.Bc3 Qd6=) 11...Rfe8 (11...Be6 12.0-0=+) 12.0-0 Rad8 13.d4 Qe6 14.Nd5 Qd5 (worse 14...Rd5 15.Bc4+–) 15.Nd2 Ne5 16.Bc3 Qc6 17.Bb4 (17.Qb3 Be6 18.Qb2 Nc4 19.Bc4 Bc4 20.Nc4 Qc4=) 17...Ng6 (17...Qd7 18.de5 Bb4 19.ab4 Qd2 20.Qd2 Rd2 21.Bf3+=) 18.Rc1 Qd7 19.Be7 Re7 20.Qb3 c6 21.Qa4 (21.Rfd1 Bg4 22.Bg4 Qg4=) 21...a6 22.Qa5 Be6 (22...Rde8 23.Rc5=) 23.Rc5 (23.Ne4 Bf5 24.Nc5 Qc8+=) 23...Qc7 (23...Bd5 24.Rb1 Rde8 25.Bf3+=) 24.Qb4 (24.Qc7 Rc7 25.Rb1 Nf8+=) 24...Bd5 (24...b6 25.Rc2=) 25.Bd3 Nf8 (25...Nh4 26.e4 Be6 27.d5+=) 26.Rc3 (26.Rb1 Rde8+=) 26...Qd6 (26...a5 27.Qb2+=) 27.Qd6 Rd6 28.Rb1 g6 (28...b5 29.f3+=) 29.Nc4 Bc4 30.Bc4 Kg7 31.Rb6 h5 32.a4 Rc7 (32...Ne6 33.Rc1+=) 33.a5 (33.Rcb3 Rdd7+–) 33...Nd7+= 34.Rb2 (34.Rb1 c5 35.Be2 Rdc6+=) 34...h4 (34...c5 35.Bd3+=) 35.g3 (35.Rc1 Nf6+=) 35...hg3 36.hg3 Nf6 (36...c5 37.Be2 Rdc6 38.d5+=) 37.Kg2 Ne8 (37...Rdd7 38.Kf3+=) 38.g4 Rd8 39.Kg3 (39.Kf3 Kf6+–) 39...Nd6 (39...Kf6 40.Rcc2+–) 40.Bd3+– Re7 41.Rc5 Rh8 42.Rb1 Rhe8 43.Rb6 Rd7 44.Bc2 (44.Kf4 f6+–) 44...Ree7 (44...Nc8 45.Rb4+=) 45.Rb1 (45.g5 Re6+–) 45...Rd8 46.Rh1 Re4 (46...Rde8 47.Kf3+–) 47.g5 (worse 47.Be4 Ne4 48.Kf3 Nc5 49.dc5 Rd2=) 47...Re7 48.Kf4 Nb5 49.Bb1 Nc7 50.Ba2 Ree8 (50...f6 51.gf6 Kf6 52.Rh6+–) 51.Bb3 (51.f3 Nb5+–) 51...Ne6 (51...Nb5 52.f3+–) 52.Be6 Re6 53.Rb1 (53.f3 Rd7+–) 53...Re7 (53...Rd7 54.f3+–) 54.Re5 (54.Rb6 Rh8+–) 54...Red7 (54...Re5 55.de5 Rd2 56.f3+=) 55.Ke4+– Rh8 56.Kf3 (56.f4 Rh2+–) 56...Rh4 (56...f6 57.gf6 Kf6 58.Ke4+=) 57.Kg3+– Rh8 (57...Rh5 58.Kg4+–) 58.f4 Rc7 59.Rb6 Kf8 (59...Rd7 60.Kg4+–) 60.Kg2 (60.Rc5 Rd7+–) 60...Rh5 61.Rb3 Rd7 62.Rb1 Rh8 63.Kf3 Rh3 (63...Kg7 64.Ke4+–) 64.Kg4 Rh8 (64...Rh2 65.Kg3 Rh5 66.Rb4+–) 65.Rd1 Kg7 66.Kf3 (66.e4 Rh2+–) 66...Rh3 67.Ke4 White prepares d5 67...Rh2 68.Re8 (68.Rb1 Rh5+–) 68...Rh5 (68...Ra2!?=) 69.Rb1+– Rh3 (69...f5 70.gf6 Kf6 71.Re5+–) 70.Kd3 c5 (70...f6 71.gf6 Kf6 72.Kc4+–) 71.d5 (71.Ke4!?+–) 71...Rd5+= 72.Kc4 Rd7 73.Kc5 Rh2 74.Kb6 Rhd2 (74...Rc2 75.Ka7 Rc5 76.Rh1+– (76.Rb7?! Rb7 77.Kb7 Ra5=)) 75.Ka7+– Attacks the backward pawn on b7 75...b6 (75...R2d5 76.Re5 (worse 76.Rb7 Rb7 77.Kb7 Ra5=) 76...b5 77.Ka6 R7d6 78.Kb7 Rd7 79.Kc6 R7d6 80.Kc7 Rd7 81.Kb6 R7d6 82.Ka7 Rd7 83.Kb8 Rd8 84.Kb7 R8d7 85.Kc8 Rd8 86.Kb7 R8d7=) 76.Kb6 (76.Ka6!? ba5 77.Ka5 Ra2 78.Kb6+–) 76...R2d6+= 77.Kc5 Rd5 78.Kc4 Ra5 79.Rh1 (79.Rbb8 f5 80.gf6 Kf6 81.Rb6 Kf7+–) 79...f6 (better 79...Rc7!? 80.Kd3 Ra3 81.Ke4 Rcc3+=) 80.Reh8+– Kf7 (80...Rc7 81.Kd3 Rd7 82.Ke2 Ra2 83.Kf3+–) 81.R1h7+– Ke6 82.Rd7 Kd7 83.gf6 Ke6 84.e4 (84.Rf8!?+–) 84...Kf6+= 85.Rc8 g5 (85...Ra1 86.e5 Ke7 87.Rc7 Ke6 88.Rc6 Kf7 89.Rf6 Kg7 90.Kd5+–) 86.Rc6 Ke7 87.fg5 Rg5 88.Ra6 ½–½. Degterev,Pavel (2240) – Zielinski,Sergej (2145), BI–2011–P–00013, 2011.

10.Nc3 Bf6 11.d4= Re8 (11...Nc3 12.Bc3 Ne7 13.Bd3=) 12.Be2 (12.Nd5 Qd5 13.Rc1 Be4=+) 12...Nc3 13.Bc3 Ne7 (13...Qd5 14.0-0=) 14.0-0 Nd5 15.Bb2 (15.Rc1 c6=) 15...c6 (15...Qe7 16.Qb3 c6 17.Rac1=) 16.Bd3 (16.Rc1 Qe7=) 16...Qd7 17.Re1 (17.Rb1 Rad8=) 17...Bd3 18.Qd3 Qe6 (18...Rad8 19.Rab1=) 19.g3 (19.Rab1 Re7=) 19...Nb6 (19...Qg4 20.e4 Nf4 21.Qe3 Nh3 22.Kg2=) 20.e4 Qc4 (20...Nc4 21.Bc3=+) 21.Qd2 (21.Qc4 Nc4 22.Bc3 a5=+) 21...Qa4 (21...Rad8 22.Rac1 Qb5 23.Rc2=+) 22.Qc3 (22.Qb4 Qb4 23.ab4 Nc4=) 22...Rac8 (22...Nc4 23.Rac1 b5 24.e5=+) 23.Rac1 (23.Qb4 c5 24.Qa4 Na4=) 23...c5 (23...Qb5 24.Qb4=) 24.e5 cd4 (24...Be7 25.e6 cd4 26.ef7 Kf7 27.Qd3 Rc1 28.Rc1=) 25.Qd3 (25.Qd4 Be7=) 25...Be7 26.Rc8 Rc8 27.Nd4 Qd7 (27...Nc4 28.Qe4 Qd7 29.Nf5=+) 28.Qb3 (28.Qf5 Qd5=) 28...Qd5 (28...Nc4 29.e6 fe6 30.Ne6= (worse 30.Re6 Bf6 31.Re4 Qd5=+)) 29.Qd5 Nd5 30.Nf5 Kf8 31.Rd1 (31.Rb1 Rc7=) 31...Rd8 32.Kf1 g6 (32...b5 A) worse 33.Ne7 Ne3 (33...Ke7?! 34.Bd4=) 34.Ke2 Rd1-/+; B) 33.Ke2+=) 33.Nd6+= (33.Ne7? Ne3! (33...Ke7?! 34.Bd4=) 34.fe3 Rd1 35.Ke2 Rh1 36.Ng6 hg6-+) 33...Bd6 34.Rd5 Bc7 35.Rb5 (35.Rd8 Bd8 36.f4 b5=) 35...b6 (35...Bb6 36.Ke2=) 36.Ke2 (36.Rb4 Rd5 37.f4 Rd2+=) 36...Ke7 37.f4 (37.Rb4 Rd5 38.f4 b5=) 37...Ke6 (37...a6 38.Rb3=) 38.Rb4 (38.Rb3 h5+=) 38...Rd5 39.Ra4 (39.Rc4 Bd8+=) 39...a5= 40.Rc4 Kd7 41.a4 (41.Rd4 Ke6=) 41...b5 42.ab5 Bb6 43.Bc3 ½–½. Degterev,Pavel (2460) – Pupke,Peter, 60yearsBdF–WS14, 2006.

10.d3 Bf6 11.Qc2 Re8 12.Be2? (better 12.Nc3!?-/+) 12...Nf4!-+ 13.ef4?? (13.Bf6 Qf6 14.Qc3-+) 13...Bd3 14.Bf6 gf6 (14...Bc2 15.Bd8 Rad8 16.Kf1+/-; 14...Qf6?! 15.Qd3 Qa1 16.Qc2=) 15.Qc3 Re2 16.Kd1 Bb5 (better 16...Qd6 17.Nbd2 Rf2 18.Rc1-+) 17.Nbd2 Qe7 18.Re1 (18.a4 Ba6 19.Rc1-+) 18...Ba4 19.Nb3 (19.Kc1 Re1 20.Kb2-+) 19...Rd8 20.Kc1 Bb3 21.Re2 Qe2 (better 21...Rd1 22.Kb2 Qe2 23.Kb3-+) 22.Qb3 Qf2 (better 22...Nd4 23.Qd1 Qd1 24.Kd1 Nb3 25.Kc2 Na1 26.Kc3 Rd1-+) 23.Ra2 (23.Qc2 Qe3 24.Kb2-+) 23...Qf1 24.Kc2 (24.Kb2 Qg2 25.Qc2 Qf3-+) 24...Qg2 25.Kb1 Qf1 26.Kb2 Qe2 (better 26...Rd3 27.Qb7 Qf3-+) 27.Kb1 (27.Kc1 Qe4 28.Rg2 Kf8 29.Rc2-+) 27...Rd1 28.Qd1 Qd1 (28...Qd1 29.Kb2 Qf3-+) 0-1. pacalmisu (2445) - luka1950 (2560), Rated Blitz game, lichess.org, 2016.

10.d4 a6 11.Bc4 (11.Bd3 Qd7 12.0-0 Bd3 13.Qd3 Rad8 14.Nc3 f5=) 11...b5 (11...Na5 12.Bd3 (12.Be2 Re8 13.0-0 c6 14.Nc3 Qb6=; 12.Ba2 c6 13.0-0 Qb6 14.Bc1 Bd6=) 12...Bd3 13.Qd3 b5 14.Nbd2 Nb6=) 12.Bb3 (12.Bd5 Qd5 13.Nc3 Qd6 14.0-0 Bg4=+) 12...b4 (12...Re8 13.0-0= Na5 14.Bc2 Bc2=+; 12...Na5 13.Bc2 Bc2 14.Qc2 Nc4=+) 13.0-0= Na5 (13...Qd6 14.Nbd2 Bg6=) 14.Re1 (14.Bd5 Qd5 15.ab4 Bb4=) 14...Nf6 (14...Nb3 15.Qb3 Rb8 16.Qc4=) 15.ab4 Bb4 16.Bc3 Nb3 17.Qb3 Bd6 18.Nbd2 Ne4 19.Ra5 Nd2 (19...Qf6 20.Ne4 Be4 21.Nd2=) 20.Nd2+= Bd7 21.Qc2 Bb5 22.Rea1 Attacks the isolani on a6 22...Re8 23.Nb3 Re6 24.d5 Bh2 25.Kh2 Qh4? (25...Rh6 26.Kg1 Qh4 27.f4+=) 26.Kg1 Rh6 Do you see the mate threat? 27.f4 Qh2 28.Kf2 Qh4 29.Kf3 Qh5 30.Kf2 Qh4 31.Kf3 Qh5 ½–½. Nebe,Lutz – Busch, corr SOK–88–27, 1988.

10.d4 Qd6 11.Nc3 (11.Bd3 Qg6 12.Bf5 Qf5 13.Nc3 Qe6 14.0-0 Rad8=) 11...Rad8 12.Bd3 Bd3 13.Qd3 Qe6 14.0-0 f5=.

10.d4 Qd7 A) 11.Nc3 Rad8 (11...Rfd8 12.Bd3 Nc3 13.Bc3 Rab8 14.0-0 Bd3=) 12.Rc1 a6 13.Nd5 Qd5 14.Bc4 Qd6=; B) 11.Bb5 Qe6 12.Nbd2 (12.Qc1 Na5 13.Nbd2 Rfc8 14.Be2 c5=+; 12.Nc3 a6 13.Bd3 Bd3 14.Nd5 Qd5=; 12.Qb3 Rfd8 13.0-0 a6 14.Bc6 bc6=+) 12...a6 13.Bc4 Rad8 14.Qe2 Be4=; C) 11.Nbd2 Qe6 12.Qe2 (12.Rc1 Rfd8 13.Qe2 Bg6 14.e4 Nf4=) 12...Bg4 13.h3 Bh5 14.g4 Bg6+=.

10.d4 Be4 idea f5!

10.d4 Bh4 11.g3 Bf6 (11...Be7 12.Bg2=+) 12.Bd3 (12.Bg2 Re8=+) 12...Qd7 13.Bf5 Qf5 14.Nbd2 Rfe8 15.Rc1 (15.0-0 Nb6=+) 15...Qh3 16.Qb3 Nb6 17.Rc5 (17.d5 Bb2 18.Qb2 Nd5 19.Qb7 Nce7=) 17...Rad8=+ 18.e4 Nd4 (18...a6 19.Qc2=+) 19.Bd4 Bd4 20.Rc7 Nd5 21.Rb7 (21.Rf7 Qg2 22.Rf1 Bc3-+) 21...Qg2 22.Rf1 Bc3 23.Kd1 Bd2 24.Nd2 Nc7 25.Kc1 Rd2 26.Kd2 (26.Rc7 Qf1 27.Kd2 Qf2 28.Kc3 h6-/+) 26...Qf1 27.Rc7 Qf2 28.Kc3 h6 29.Qd5 Rb8 30.Rb7 Rc8 31.Kb3 Qc2 32.Kb4 Qc3 33.Kb5 (33.Ka4 Rc4 34.Rb4 Qc2 35.Kb5 Rc3-+) 33...a6 34.Ka6 Qa3 35.Kb6 Qb2 36.Ka7 Qf2 37.Ka6 Ra8 (37...Rc5 38.Qd8 Kh7 39.Rb5-+) 38.Kb5 Qf6 39.Kb4 (39.Kc4 Qf1 40.Kd4 Qf3-+) 39...Qb2 40.Qb3 Ra2 41.Rd7 Qf2 42.Rd8 Kh7 43.Qd1 Qb6 (43...Qb6 44.Kc4 Qc6 45.Kd3 Ra3 46.Ke2 Qe4 47.Kf2 Ra2 48.Rd2 Qd3 49.Ra2 Qd1-+) 0–1. Sawamura,Tetsushi – Luers,Heinz Eckhard (2475), ICCF Jubilee P050 email, 2001.

10.Be2 Nb6 11.d4 Na5 12.0-0 Nac4 13.Bc1 c5 14.Nbd2 Nd2 15.Bd2 Rc8 16.Bc3 Nd5 17.Bb2 (17.Rc1 Nc3 18.Rc3 Qa5=+) 17...c4-/+ 18.Ne5 b5 19.Bg4 Bg4 20.Qg4 a5 21.Qe2 (21.Rfd1 f5 22.Qe2 Qd6=+) 21...f6 22.Nf3 Qb6 23.Ne1 (23.e4!? Qe6 24.Nh4-/+) 23...f5 24.e4 (24.Nc2 b4 25.ab4 ab4-+) 24...Qe6 Black gets deadly initiative 25.f3 fe4 26.fe4 Nf4 Do you see the mate threat? 27.Qe3 Qg4 28.Rf2 (28.Rf3 Bg5 29.Kh1 Ng2 30.Rf8 Rf8 31.Qg1-+) 28...Bh4 29.Rc2 Rce8 30.Qf3 (30.e5 Qf5 31.g4 Qg4 32.Kh1 Nh3-+) 30…Qg6 (30...Qg6 31.a4 Nd3 (31...Qe4?! 32.Qe4 Re4 33.Nf3-/+) 32.ab5 Be1-+) 0–1. Labahn,Wolfgang – Kiselev,Sergey, Wisla Poland, 1992.

10.Be2 Qd6 11.0-0 Rad8 12.d4 Qg6 13.Kh1 (13.Qb3 Bh3 14.Ne1 b6=+) 13...Nb6 (13...Bc2 14.Qd2-/+) 14.Nbd2=+ Bc2 15.Qc1 h6 16.Ne1 Bf5 17.Bf3 Na4 (17...Rd6 18.Nc4 Nc4 19.Qc4=) 18.d5 (18.Bc6 bc6 19.Nef3 Nb2=) 18...Nb2=+ 19.dc6 Nd3 Black is in command 20.Nd3 Bd3 21.Re1 b6 22.a4 Bh4 23.g3 (23.Kg1 Bf6 24.Ra2 Be5-/+) 23...Bf6 24.Ra2 Qf5 25.e4 (25.a5!?-/+) 25...Qe6-+ 26.Ra3 Be7 27.Ra1 Bc5 28.Kg2 Rfe8 (28...Qc6?! 29.Nb3=+) 29.a5 Bb4 30.Kg1 Ba5 (30...Bb5 31.Rd1 Ba5 32.Qc2-+) 31.Rd1 (31.Re3 a6-+) 31...Qf6 32.Bg4 Qc3 (32...Be4!? 33.Ne4 Rd1 34.Bd1 Re4 35.Kg2-+) 33.Bd7 (better 33.Qc3!? Bc3 34.Bd7 Ba1 35.Ra1-/+) 33...Qc1-+ 34.Rac1 Be2 35.Be8 Bd2 (35...Rd2? 36.Rd2 Bd2 37.Rc2+–) 36.Bd7 Bc1 37.Rc1 a5 38.e5 (38.Ra1 Bf3 39.e5 Kf8-/+) 38...Ba6 (38...b5 39.Ra1 a4 40.f4-+) 39.f4 Kf8 40.Kf2 Ke7 41.Ke3 g6 (41...a4 42.Ra1 b5 43.h3-/+) 42.g4 f6 43.e6 a4 (43...a4 44.f5 gf5 45.gf5 b5=+). Dziel,Jaromir – Mitrus,Cezary, corr 1AMM Poland, 1992.

10.Be2 Qd6 11.0-0 Qg6 12.d4 Rad8 13.Nc3 Bc2 14.Qd2 Bf5 15.Rfc1 (15.Qd1 Bh3 16.Ne1 Be6=) 15...Nb6 16.Qd1 Rfe8 17.a4 Na5 (17...a5 18.Ba3=) 18.Nb5 c6 19.Bc3 (19.Ne5 Qh6 20.Nc7 Rf8=) 19...Nbc4 20.Na3 (20.Ba5!? Na5 21.Ne5=+ (worse 21.Na7 Ra8-/+)) 20...Ba3=+ 21.Ba5 Na5 (21...Bc1!? 22.Bc4 b6 23.Rc1 ba5=) 22.Ra3= b6 23.Rac3 Qf6 (23...Be4 24.Bd3=) 24.h3 g6 (24...c5 25.Bd3=) 25.Bd3+= Be6 26.Nd2 Qg5 27.Ne4 Qe7 28.Ng3 Qh4 29.Rb1 Qg5 30.Kh2 (30.Ne4 Qe7+=) 30...Bd5= 31.Qg4 Qg4 32.hg4 Ba2 33.Rb2 Be6 34.Be2 Kg7 35.Bf3 Rc8 (35...Bd5 36.Kh3=) 36.Ne4+= Re7 37.Kg3 f6 38.Nd2 (38.g5 f5 39.Nd2 Rd7+=) 38...Rec7 39.Be2 (39.Rbc2 Rd8+=) 39...c5= 40.Rbc2 c4 41.e4 Re8 42.Bd1 (worse 42.Nc4 Bc4 43.d5 Re4-/+) 42...Bd7 43.Rb2 (43.Nc4? Rec8 44.g5 f5-+) 43...Rb8 44.d5 a6 45.Rb4 b5 46.ab5 ab5 47.f4 Nb7 48.e5 fe5 ½-½. Mehlhorn,Uwe (2150) - Felkel,Siegfried (2210), GER-ch44 V11 email, 2012.

10.Be2 Qd6 11.Nc3 Rad8 12.0-0 Qg6 13.Rc1 (13.Nd5 Rd5 14.Qb3 Be6=+) 13...Nc3 (13...Bh3 14.Ne1 Be6 15.d4=+) 14.Rc3= Rfe8 15.d4 Bd6 (15...Bh3 16.Ne1 Be6 17.Bf3=) 16.Bd3 Bd3 (16...Ne7 17.Bf5 Qf5 18.Qd3=) 17.Qd3 Qd3 18.Rd3 Na5 19.a4 (19.Rb1 c5=) 19...a6 (19...c5 20.Rc3 c4 21.Rb1=) 20.Nd2 (20.Bc3 Nc4=) 20...b5 (20...c5 21.Rb1 c4 22.Rc3=) 21.ab5= ab5 22.Ra1 Ra8 23.h3 (23.d5 b4=) 23...Nb7 (23...b4 24.d5=) 24.Rb3 (24.Ra8 Ra8 25.Ne4 c6=) 24...b4 25.Ra8 Ra8 26.Kf1 c5 (26...Na5 27.Rd3=) 27.dc5 Bc5 28.Bd4 Be7 (28...Bd6 29.Ke2=) 29.Ke2 f6 30.f4 (30.e4 Kf7=) 30...Kf7 31.g4 (31.Rb2 Rd8=) 31...g6 (31...Ra2 32.Kd3=) 32.Rb1 (32.Rb2 f5=) 32...Ra4 (32...Ra2 33.h4=) 33.e4 White intends f5 33...Ra2 34.f5 (34.h4 Nc5 35.Rb4 Ne6=) 34...Ra3 (34...Na5 35.Rb2 b3 36.Kd3+=) 35.Nf3 gf5 36.ef5 (worse 36.gf5 Nd6 37.Rb4 Nf5-/+ (37...Ne4?! 38.Rb5=)) 36...Na5 (36...h5 37.gh5 Ra5 38.Nh4=) 37.Rb2 Nc4 38.Rc2 Nd6 39.Rc7 (39.Bb2 Ra5 40.Nd4 Ra2+=) 39...Ra2 40.Kd3 Ra3 (40...Nb5 41.Rb7 Ra3 42.Ke2=) 41.Ke2 Ra2 ½–½. Gierth,Karlheinz (2215) – Weingarz,Wilfried (2340), remoteschach.de, 2004.

10.Be2 Bf6 11.d4 Re8 12.0-0 a6 13.Nc3 Nc3 14.Bc3 Qd5 15.Nd2 Qd7 16.Bf3 Rab8 17.Rc1 h6 18.Bc6 Qc6 19.Ba5+= Qe6 20.Bc7 Rbc8 21.Qf3 Bd3 22.Rfd1 b5 23.Qg3 Qa2 24.Ra1 Qd5 25.Nf3 Bc2 26.Rdc1 Bf5 27.Be5 Rc1 28.Rc1 Be5 29.Ne5 Qb3 30.Qf3 Qa3 31.Rf1 f6 32.Qf5 fe5 33.Qg6 Kf8 34.d5 e4 35.h3 b4 36.d6 Qc3 37.d7 Rd8 38.Rd1 b3 39.Qb6 (39…Ke7 40.Qd6 Kf7 41.Qd5 Kf8 42.Qf5 Qf6 43.Qe4+/–) 1–0. marekt – Felix_the_cat, ChessWorld.net, 2004.

10.Be2 Bf6 11.Bf6 Qf6 (worse 11...gf6 12.Nc3+=) 12.d4 Nce7 13.0-0 c5 14.Qb3 Be6 (14...b6 15.Bc4 Nc7 16.Rc1=) 15.Nbd2 (15.Qb7 a6 16.Qb2 Rfb8+=) 15...Nb6 16.Qb5 cd4 17.Nd4 Bd7 (17...Bd5 18.Rfd1=) 18.Qh5+= Nbd5 (18...Nc6 19.Bd3 g6 20.Qf3 Qf3 21.N2f3+= (worse 21.gf3 Nd4 22.ed4 Rad8-/+)) 19.Ne4+– Qg6 20.Qg6 hg6 21.Nc5 Bc8 22.Rfc1 b6 23.Na6 Bf5 24.Bf3 Rac8? (better 24...Rad8!?+–) 25.e4+– (25.Nf5?! gf5 26.Kf1 Rfd8+=) 25...Rc1 26.Rc1 Rc8? (better 26...Bc8+–) 27.Rc8 (27.Rc8 Bc8 28.ed5 Nd5 29.Bd5 Ba6 30.Nc6+–) 1–0. Szumilo,B – Swiecik,Iwona, Poland, 1978.

11.Bc3 Qd5 12.Qc1 Na5 13.Nd4 Nb3 14.Nb3 Qb3=.

11.Bc3 Qd5 12.d4 b5 13.Bd3= Bd3 14.Qd3 f5 15.0-0 a5 16.Rfc1 Bd6 17.h3 (17.Bd2 Rfb8=) 17...Rfb8 18.Nd2 (18.Bd2 b4 19.Qc2 Ne7=+) 18...Ne7 (18...b4 19.Bb2=) 19.e4 (19.f3 b4 20.e4 Qf7 21.ab4 ab4 22.Ra8 Ra8=) 19...fe4 20.Ne4 Nf5 (20...Ng6 21.Nd6 Nf4 22.Qe4 Qd6 23.Bd2=) 21.Re1 Nh4 22.Bd2 (22.f3 Bf4=) 22...b4 23.g3 (23.ab4 ab4 24.Ra8 Ra8=+ (worse 24...Qa8 25.Qc4 Kh8 26.d5+–)) 23...Ng6 (23...Nf5 24.Nd6 cd6 25.ab4 Nd4 26.Re4 Nf3 27.Qf3 Qd2 28.Rd1+–) 24.ab4= Bb4 25.Qc2 c6 (25...Bd2 26.Qd2 Rb4 27.Rad1=) 26.Ra4= Rb5 (26...Ra7 27.Rb1 Re7 28.Bb4 Rb4 29.Rbb4 ab4 30.f3=) 27.Bb4 Rb4 28.Rb4 ab4 29.Qb2 Rb8 (29...Qc4 30.Rc1 Qd3 31.Nc5+–) 30.Nc5+= Nf8 31.Re7 Ra8 (31...Qd6 32.Qb3 Qd5 33.Re3+=) 32.Nd3 (32.Qb4 Ra1 33.Re1 Re1 34.Qe1 Qd4=) 32...Ne6= 33.Nb4 ½–½. Degterev,Pavel – Markus,Roland, SH–2006–0-00057, 2006.

11.Bc3 Qd5 12.d4 b5 13.Be2 a5 14.0-0 Ba3 15.Ra3 b4 16.Rb3 a4? (16...Be6 17.Nd2 A) 17...bc3? 18.Rc3 Ne7 19.Bf3+– (19.Rc7?! Qd6 20.Rc2 Nd5+/–); B) 17...Qd6+=) 17.Rb4+– Nb4 18.Bb4 Rfb8 19.Ba3 (19.Qd2!?+/–) 19...Qa2+= 20.Bd3 Bd3 21.Qd3 Rb3 (21...Qb3!? 22.Qb3 ab3+/–) 22.Qe4+/– Rab8 23.Bc1 Rc3 24.Bd2 Rc2 25.Qe7 (25.Ng5 g6 26.Qh4 h5+–) 25...h6 26.h3 a3 (26...Rd2!? 27.Nd2 Qd2 28.Qc7 Ra8+/–) 27.Bb4+– Rb4 (27...Ra8 28.Qe4 Ra7 29.Bc5+–) 28.Qb4 Qb2 29.Qb2 ab2 30.g3 Kf8 31.Kg2 Rc1 32.Nd2 Ke7 33.Kg1 Kd6 ½–½. gioco1b4 (2535) – hamlet_in_2010 (2610), ChessWorld.net, 2013.

11.Bc3 Qd5 12.d4 Bd6 13.Bd3 Bd3 14.Qd3 Rfe8 15.0-0 Rab8=.

11.Bc3 Qd5 12.d4 Bd6 13.Bd3 Bd3 14.Qd3 Rfe8 15.Rb1 Ne5=+ 16.de5?? Qd3 17.Nd2 Ba3-+.

11.Bc3 Qd5 12.d4 Bd6 13.Bd3 Bd3 14.Qd3 Rfe8 15.Rb1 Ne5 16.Ne5 (16.de5 Qd3 Pinning (16...Qd3 Deflection); 16.Ne5 Re5 Combination) 16...Re5 17.0-0 b6 18.a4 Re6 19.Rfe1 Rae8 20.a5 c5 21.Qb5 Rd8 22.g3 Bf8 23.ab6 ab6 24.Qe2 Qc6 25.dc5 bc5 26.Red1 Red6 27.Rd6 Qd6 28.Ba5 Qg6 29.Rb5 Rd7 30.Rb8 Qe4 31.h4 Qe5 32.Ra8 Qd5 33.Rc8 Qb7 34.Re8 Qc6 35.Rb8 Qe4 36.Kh2 Rb7 37.Rb7 Qb7 38.Qc4 g6 39.Kg1 ½–½. marekt (2125) – vipodb (2170), gameknot.com, 2015.

11.Bc3 Qd5 12.d4 Rae8 13.Bd3=.

11.Qb3 Nb6 A) 12.Rd1 Qd6 (12...a6 13.d4 Na5 14.Qa2 Bd6 15.Bd3 Bd3 16.Rd3 Nbc4 17.0-0 b5=+; 12...Bd6 13.d4 a6 14.Be2 Na5 15.Qa2 Bc2 16.Rc1 Bb3 17.Qb1 Nbc4=+; 12...Bc5 13.d4 Bd6 14.d5 Ne5 15.Nd4 Bg4 16.Rd2 a6 17.a4 Rb8=; 12...Bf6 13.d4 a6 14.Be2 Qd6 15.0-0 Na5 16.Qa2 Rad8 17.Nd2 Nc6=; 12...Be6 13.Qc2 Bc4 14.d3 Be6 15.d4 Bc4 16.Ne5 Ne5 17.de5 Qc8=) 13.d4 Qg6 14.Rc1 a6 15.d5 Na5 16.Qa2 Bf6 17.Ne2 Be4=+; B) 12.d3 Rc8 (12...Be6 13.Qc2 Qd7 14.Be2 Rad8 15.0-0 Bg4 16.Rad1 Bf5 17.Ne4 Qe6=; 12...Bf6 13.Be2 Re7 14.d4 Qd6 15.0-0 Rd8 16.Rfd1 a6 17.Rac1 Na5=; 12...Qd7 13.Ne4 Be6 14.Qc3 f6 15.Qc2 f5 16.Nc5 Bc5 17.Qc5 Bd5=+; 12...Rb8 13.Be2 Bf6 14.0-0 a6 15.Rfd1 Qd6 16.Rac1 Qe6 17.Qe6 Be6=; 12...Bd6 13.Be2 a6 14.0-0 Qe7 15.Rfc1 Na5 16.Qd1 Rad8 17.Nd4 Bg6=) 13.Ne4 Be6 14.Qc3 f6 15.Be2 Na4 16.Qc2 Nb2 17.Qb2 f5=+; C) 12.d4 a6 13.d5 Na5 14.Qa2 Bf6 15.Rc1 Rc8 16.Ba1 c6 17.dc6 Rc6-/+; D) 12.Bb5 Na5 13.Qa2 c6 14.Nd4 Bc8 15.Be2 c5 16.Nf3 Be6 17.Qb1 Nb3-/+; E) 12.Be2 a5 (12...a6 13.d3 Qd6 14.0-0 Qg6 15.d4 Na5 16.Qa2 Bh3 17.Ne1 Bg4=; 12...Be6 13.Qc2 Nc4 14.d4 Nb2 15.Qb2 Na5 16.0-0 c6 17.Bd3 Kh8=; 12...Bd3 13.Bd3 Qd3 14.Qb5 Qg6 15.0-0 a6 16.Qe2 Rad8 17.Rad1 Bd6=+; 12...Qd7 13.d4 Na5 14.Qb5 Qb5 15.Nb5 Na4 16.Nc7 Nb2 17.Nd2 Nc6=; 12...Rb8 13.d3 Be6 14.Qc2 Qd7 15.0-0 Rbd8 16.Ne4 Bd5 17.Rfb1 f5=) 13.Qb5 Bd7 14.Qh5 a4 15.Nd5 Nd5 16.Qd5 Bd6 17.0-0 Qe7=+.

11.Bb5 A) 11...Nc3 A1) 12.dc3 Be4 (12...Bd6 13.c4 Bd7 14.0-0 Qe7 15.Nd4 Rad8 16.Nc6 bc6 17.Ba6 Qg5=) 13.c4 Qc8 14.0-0 Qg4 15.Qe2 Bd6 16.h3 Qg6 17.Nh4 Bd3=+; A2) 12.Bc3 Qd5 13.Qa4 Be4 14.Bc6 bc6 15.Qd4 f6 16.Ke2 Qe6 17.d3 Bd5=+; B) 11...Nf4 12.0-0 Nd3 13.Qc2 Bg6 14.e4 Nb2 15.Qb2 Bf6 16.d3 Qd7 17.Rfc1 Bh5=; C) 11...Rb8 C1) 12.Qc1 Bf6 (12...a6 13.Bc6 bc6 14.0-0 Bf6 15.d4 Bg4 16.Na4 Bf3 17.gf3 Qd6=; 12...Qd6 13.Nd5 Qd5 14.Qc4 Qd6 15.0-0 a6 16.Bc6 Qc6 17.Qc6 bc6=) 13.0-0 Bg4 14.Nd5 Bb2 15.Qb2 Qd5 16.Be2 Ne5 17.Ne5 Be2=+; C2) 12.Qa4 Bf6 (12...a6 13.Bc6 bc6 14.Nd1 Rb6 15.Nd4 Bd7 16.Nf3 Bd6 17.Qd4 f6=+; 12...Nb6 13.Qf4 Bd7 14.Ne4 a6 15.Neg5 Bg5 16.Ng5 Qe7 17.Bd3 h6=) 13.Rd1 Nb6 14.Qf4 Bd3 15.a4 g5 16.Qg4 h5 17.Qh5 Nb4-/+; C3) 12.Qb3 Nb6 (12...Nf6; 12...Be6) 13.Bc6 bc6 14.Ne5 Be6 15.Qc2 Nc4 16.Nc4 Bc4 17.d4 Bf6-/+; C4) 12.0-0 Bg4 (12...Nc3 13.dc3 a6 14.Nd4 Be4 15.Bd3 Bd6 16.Be4 Re4 17.Nc6 bc6=) 13.h3 Bh5 14.d3 a6 15.Nd5 Qd5 16.Bc4 Qd6 17.Rc1 b5=+; D) 11...Qd6 D1) 12.Rc1 Nb6 (12...Nc3 13.Rc3 Be4 14.0-0 a6 15.Be2 Rad8 16.d4 Qd5 17.Bc4 Qf5=; 12...Nf6 13.Na4 Reb8 14.Nc5 Nd8 15.Qb3 Ne6 16.Bf6 Nc5 17.Be7 Nb3=+; 12...Rad8 13.Bc6 bc6 14.Nd4 Nc3 15.Bc3 Be4 16.Qg4 Bf8 17.a4 Bd3=; 12...a6 13.Bc6 bc6 14.Nd4 Bd3 15.Na4 Qg6 16.g3 Bf6 17.Nc5 Rab8=+; 12...Rab8 13.0-0 Nc3 14.Rc3 a6 15.Bc6 bc6 16.Rb3 Be4 17.Bd4 Qd5=+) 13.e4 Bf6 14.Bc6 bc6 15.d3 Rad8 16.0-0 Bg6 17.d4 Be4=+; D2) 12.Nd5 Qd5 13.Qa4 Be4 14.Bc6 bc6 15.Qd4 f6 16.h4 Rab8 17.Rg1 Bd6-/+; D3) 12.0-0 Rad8 (12...Red8 13.Rc1 Nc3 14.Rc3 Be4 15.d4 Qg6 16.Bd3 Rd6 17.Rb3 Rb8=; 12...Nc3 13.Bc3 a6 14.Bc6 Qc6 15.Nd4 Qg6 16.Nf5 Qf5 17.Qb1 Qb1=; 12...Nb6 13.e4 Be6 14.Qc2 Nc4 15.d4 a6 16.Bc6 bc6 17.Na4 Rab8=; 12...Nf6 13.d3 Rad8 14.Qa4 Bd7 15.Bc4 a6 16.Qb3 Rf8 17.Ng5 Ng4=; 12...Bf6 13.Rc1 Rad8 14.d4 Nc3 15.Rc3 Be4 16.Bd3 Bd3 17.Qd3 a6=) 13.Nd4 Nc3 14.Bc3 Nd4 15.Be8 Nc2 16.Qf3 Qd3 17.Qg3 Bf8=+; D4) 12.d4 Nc3 (12...a6 13.Bd3 Bd3 14.Qd3 Rad8 15.0-0 Nb6 16.Rab1 Na5 17.Ne4 Qd5=; 12...Rad8 13.0-0 Nc3 14.Bc3 Qg6 15.Bb4 Be4 16.Be7 Re7 17.Rc1 Ne5=+; 12...Rab8 13.Rc1 Nc3 14.Rc3 Qg6 15.0-0 Be4 16.Bd3 Bd6 17.Be4 Re4=; 12...Bd7 13.Qc2 Rad8 14.Bd3 h6 15.Nd5 Qd5 16.e4 Bd6 17.0-0 Qa5+=) 13.Bc3 Qd5 14.Bd3 Bd3 15.Qd3 Bd6 16.Rb1 Ne5 17.Ne5 Re5=+.

11.Bc4 A) 11...Be6 A1) 12.Bb5 Nc3 (12...Rb8 13.0-0 Bg4 14.h3 Bh5 15.d3 a6 16.Nd5 Qd5 17.Bc4 Qd6=) 13.dc3 Bd6 14.0-0 Qf6 15.Bc6 bc6 16.Qd4 Qg6 17.c4 Rad8=+; A2) 12.Nd5 Bd5 13.d3 Qd6 14.Bd5 Qd5 15.Qd2 Rad8 16.Rd1 Qb3 17.d4 Ba3-/+; A3) 12.Bb3; A4) 12.d3 Bf6 (12...Nc3 13.Bc3 Bf6 14.Qc2 Bc4 15.dc4 Qe7 16.0-0 Rad8 17.Rab1 Bc3=; 12...Nf4 13.0-0 Bc4 14.dc4 Nd3 15.Qc2 Nb2 16.Qb2 Na5 17.Qe2 Qd6=) 13.Qc2 Nf4 14.0-0 Bc4 15.dc4 Qd3 16.Qb1 Qb1 17.Rab1 Bc3=; B) 11...Nb6 B1) 12.Bb5 Bd3 (12...Bd7 13.Qc2 h6 14.0-0 a6 15.Bd3 Be6 16.Bh7 Kh8 17.Be4 Qd6=; 12...Qd6 13.0-0 Rad8 14.Nd4 Nd4 15.Be8 Bd3 16.Bf7 Kf7 17.ed4 Bf1=+) 13.Bc6 bc6 14.Ne5 Nc4 15.Nc4 Bc4 16.Qg4 Be6 17.Qf3 Rb8=+; B2) 12.Bf1 Be6 (12...a6 13.d4 Na5 14.Ne5 Bf6 15.Na4 Na4 16.Qa4 c5 17.Bc3 Nc6=+) 13.d4 Nc4 14.Bc4 Bc4 15.d5 Na5 16.Qa4 b6 17.Ne5 Bd5-/+; B3) 12.Be2 a6 (12...Bd3 13.Bd3 Qd3 14.Qb1 Qd6 15.d4 Rad8 16.0-0 Qe6 17.Rd1 Qg4=; 12...Qd7 13.d4 Rad8 14.0-0 Qe6 15.Rc1 a6 16.Re1 Qg6 17.Nd2 Bd6=+; 12...Bd6 13.Nb5 a6 14.Nd6 Qd6 15.d4 Rad8 16.Qb3 Nd5 17.0-0 b5=; 12...Qd6 13.0-0 Qg6 14.d4 Rad8 15.Bb5 Bh3 16.Ne1 Bd7 17.Qf3 Qg5=; 12...Be6 13.d3 Qd7 14.0-0 Rad8 15.Qc2 Nd5 16.Nd5 Qd5 17.Bc3 Rb8=) 13.d3 Qd6 14.0-0 Rad8 15.d4 Qg6 16.Rc1 Bd6 17.d5 Ne5=+.

11.d4 A) 11...a6 A1) 12.Bc4 Nb6 (12...Nc3 13.Bc3 b5 14.Bb3 Qd6 15.d5 Na7 16.Bb4 Qd7 17.Rc1 Bf6=; 12...Be6 13.Nd5 Bd5 14.Qc2 Qd7 15.Bd5 Qd5 16.0-0 Bd6 17.Rae1 f5=) 13.Bd3 Bd3 14.Qd3 Qd6 15.Rd1 Na5 16.Nd2 Rad8 17.d5 Nd5=+; A2) 12.Qd2 Na5 13.Nd5 Qd5 14.Rc1 Bd6 15.Be2 Nb3 16.Bc4 Qc4 17.Rc4 Nd2=+; A3) 12.Rc1 Nc3 (12...Bg4 13.Nd5 Qd5 14.Bc4 Qa5 15.Qd2 Qh5 16.Be2 Rad8 17.h3 Rd6=; 12...Nb6 13.Bd3 Bd3 14.Qd3 Na5 15.Nd2 Qd7 16.0-0 Nc6 17.d5 Ne5=; 12...Bg6 13.Nd5 Qd5 14.Bc4 Qe4 15.d5 Rad8 16.0-0 Na5 17.Ba2 c5=; 12...Be6 13.Bd3 Nc3 14.Rc3 Qd7 15.Qc2 h6 16.0-0 Bf6 17.Rd1 Kh8+=) 13.Rc3 Bd6 14.Bd3 Qd7 15.Bf5 Qf5 16.Qc2 Qh5 17.0-0 Re6=; A4) 12.Qb3 Nb6 13.d5 Na5 14.Qa2 Bf6 15.Rc1 Rc8 16.Ba1 c6 17.dc6 Rc6-/+; A5) 12.Qc1 Nb6 (12...Nf6 13.Bc4 Qd6 14.0-0 Rad8 15.a4 Qb4 16.Nd2 Na5 17.Ba3 Qb6=+) 13.Be2 Na5 14.Nd2 Bd6 15.0-0 Qg5 16.Bf3 Qh6 17.g3 Bd3=+; A6) 12.Be2 Nc3 (12...Qd7 13.0-0 Rad8 14.Bd3 Qe6 15.Nd5 Qd5 16.Bf5 Qf5 17.Qb3 b5=; 12...Rb8 13.0-0 Nc3 14.Bc3 Qd5 15.Nd2 Qe6 16.Qb3 Qd6 17.d5 Ne5=; 12...Ra7 13.0-0 Qd6 14.Rc1 Be6 15.Nd5 Bd5 16.Qc2 Qe6 17.Bd3 Kh8+=; 12...b5 13.Rc1 Qd7 14.0-0 Nc3 15.Rc3 Be4 16.Nd2 b4 17.ab4 Bd5+=; 12...Qd6 13.0-0 Rad8 14.Bd3 Qg6 15.Bf5 Qf5 16.Qb1 Qb1 17.Rfb1 f5=) 13.Bc3 Qd5 14.Bd3 Bd3 15.Qd3 Bd6 16.0-0 Rad8 17.Rfe1 Re4=; B) 11...Rb8 B1) 12.Rc1 Nc3 (12...Bg4 13.Bc4 Be6 14.Nd5 Bd5 15.0-0 Bc4 16.Rc4 Qd5 17.Qc2 Bd6=; 12...Na5 13.Ne5 Be6 14.Bd3 f6 15.Nf3 Nc6 16.Nd5 Bd5 17.Qc2 h6+=; 12...Bg6 13.Nd5 Qd5 14.Bc4 Qe4 15.d5 Rbd8 16.0-0 Na5 17.Ba2 c5=; 12...Be6 13.Bd3 a6 14.Qc2 Nc3 15.Bh7 Kh8 16.Qc3 Ba3 17.Ba3 Kh7=; 12...a6 13.Nd5 Qd5 14.Bc4 Qa5 15.Qd2 Qb6 16.d5 Rbd8 17.0-0 Be4=) 13.Rc3 Bd6 14.d5 Ne5 15.Rc1 Be4 16.Ne5 Be5 17.Be5 Re5=+; B2) 12.Be2 Nc3 (12...a6 13.0-0 Nc3 14.Bc3 Qd5 15.Nd2 Qe6 16.Qb3 Qd6 17.d5 Ne5=; 12...Qd6 13.0-0 a6 14.Bd3 Bd3 15.Qd3 Rbd8 16.Nd5 Qd5 17.e4 Ne5=; 12...Qd7 13.0-0 Nc3 14.Bc3 Qd5 15.Bd3 Bd3 16.Qd3 Bd6 17.Rfe1 Re4=; 12...Bf6 13.0-0 Nc3 14.Bc3 Qd5 15.Nd2 Qd7 16.Nb3 Qd6 17.Bd3 Bd3=) 13.Bc3 Qd5 14.0-0 Rbd8 15.Bd3 Bg4 16.e4 Qh5 17.d5 Bd6=; B3) 12.Qc1 Bg4 (12...Nc3 13.Qc3 Qd6 14.Rc1 Be4 15.Bd3 Bd3 16.Qd3 Qd5 17.0-0 f5=) 13.Bb5 Bf3 14.gf3 Bh4 15.Nd1 Qg5 16.Bc6 bc6 17.Kf1 Bf2-+; B4) 12.Bc4 Nc3 (12...Be6 13.Bd3 Bd6 14.Qc2 h6 15.Bh7 Kh8 16.Be4 Nf6 17.Bc6 bc6=; 12...Nb6 13.Bb5 Bf6 14.0-0 Qd6 15.Nd2 Qd7 16.Qf3 Be7 17.Rac1 Bg4=) 13.Bc3 b5 14.Bd3 Qd5 15.0-0 Bd3 16.Qd3 Bd6 17.Rfe1 Re4=; B5) 12.Qb3 Nc3 (12...Be6 13.Qc2 a6 14.Bd3 h6 15.0-0 Nc3 16.Bc3 Qd6 17.Bh7 Kh8=) 13.Qc3 Qd6 14.Rc1 Be4 15.Bd3 Bd3 16.Qd3 Qd5 17.0-0 f5=; C) 11...Qd7 12.Rc1 Nc3 (12...a6 13.Nd5 Qd5 14.Bc4 Qd6 15.d5 Na5 16.Ba2 Rac8 17.Qa4 b6=) 13.Rc3 Be4 14.Bd3 Bd5 15.0-0 Qg4 16.Re1 Bf6 17.Kh1 Rad8=; D) 11...Na5 D1) 12.Ne5 f6 (12...Be6 13.Bd3 f6 14.Nf3 f5 15.Qc2 Nc3 16.Bc3 Qd5 17.e4 fe4+=) 13.Qa4 Nc3 14.Bc3 fe5 15.Qa5 ed4 16.Qf5 dc3 17.Rd1 Bd6=+; D2) 12.Bd3 Bd3 (12...Nc3 13.Bc3 Bd3 14.Qd3 c6 15.0-0 Qd5 16.Rab1 b6 17.e4 Qc4+=) 13.Qd3 c6 14.0-0 Nb6 15.Rfb1 Nac4 16.Na4 Na4 17.Qc4 Nb6=; E) 11...Be6 12.Bd3 Qd7 (12...Bd6 13.Qc2 h6 14.0-0 Nc3 15.Bc3 Qe7 16.Rfb1 Rab8 17.Be4 Bd7+=; 12...Rb8 13.Qc2 h6 14.0-0 Nc3 15.Bc3 Qd6 16.Rfc1 a6 17.Bd2 Rbc8+=; 12...Qd6 13.Qc2 h6 14.Nd5 Qd5 15.Bh7 Kh8 16.Be4 Qd6 17.Bc6 bc6+=; 12...a6 13.Qc2 h6 14.0-0 Nf6 15.Ne4 Bd5 16.Nf6 Bf6 17.e4 Be6+–; 12...h6 13.0-0 Bd6 14.Ne4 Rc8 15.Nd6 Qd6 16.Rb1 Rcd8 17.Re1 a6+=) 13.Qc2 f5 14.Nd5 Qd5 15.0-0 Rad8 16.e4 fe4 17.Be4 Qh5=; F) 11...Nc3 12.Bc3 Bh4 (12...Be4 13.Bd3 Bd3 14.Qd3 Qd5 15.0-0 Bd6 16.Rfe1 Re4 17.Rab1 Nd8+=; 12...Qd5 13.Bd3 Bd3 14.Qd3 Bd6 15.Rb1 Ne5 16.Ne5 Re5 17.a4 c5=+; 12...Bd6 13.Bb5 Qf6 14.Qd2 Be4 15.d5 Qf5 16.Qb2 Bd5 17.Bg7 Qg4=+) 13.Qc1 Be4 14.Qd2 Bf3 15.gf3 Qg5 16.Ke2 Qd5 17.Bg2 Rad8=+.

11.Nd5 Qd5 A) 12.Qc1 Qd6 (12...Rad8 13.Be2 Qd6 14.0-0 Qg6 15.Be5 Ne5 16.Ne5 Qf6 17.d4 c5=+; 12...Be4 13.Be2 Bd6 14.Qc4 Qf5 15.d3 Bd5 16.Nh4 Qe6 17.Qg4 Qg4=+; 12...a6; 12...Rab8; 12...Rac8) 13.Qc3 Qg6 14.Rc1 Rad8 15.Qb3 Be4 16.d4 a6 17.Nd2 Bd5=+; B) 12.Qa4 Bd3 13.Qg4 Bf8 14.Bd3 Qd3 15.Rc1 Rad8 16.Qg3 Rd7 17.Rd1 f5-/+; C) 12.Be2 a6 13.d3 Rad8 14.e4 Be4 15.de4 Qe4 16.Nd2 Qg2 17.Rf1 Bg5-+; D) 12.Qe2 Qd6 (12...a6 13.Qc4 Qd6 14.Rc1 Rab8 15.d4 Be4 16.Bd3 b5 17.Qc2 Bd3=; 12...Rab8 13.Qb5 Qe6 14.Nd4 Nd4 15.Bd4 a6 16.Qb2 Qg6 17.Ba7 Bf6=; 12...Qe6 13.Qc4 Qd6 14.Rc1 Rab8 15.d4 Be4 16.Bd3 Bd3 17.Qd3 Qd5=; 12...Qd7 13.Qc4 Rad8 14.Be2 Qd6 15.d4 a6 16.0-0 Be4 17.Rac1 Qh6=+) 13.Qb5 Be4 14.Bc4 Bf3 15.gf3 Bf6 16.Bf6 Qf6 17.Rc1 Rab8-/+; E) 12.Rc1 Qa2 13.Bc3 Qa3 14.Bc4 Rad8 15.0-0 Bg4 16.d4 a6 17.Bd3 Bf3-/+; F) 12.d4 a6 (12...Bd6 13.Qa4 Be4 14.Be2 a6 15.Qc4 Qf5 16.Rc1 b5 17.Qb3 Rad8=+; 12...Be4 13.Be2 Rad8 14.0-0 a6 15.Bd3 Bd6 16.Rc1 Re7 17.Be4 Re4=+; 12...Rad8 13.Qa4 Be4 14.Be2 a6 15.Qc4 Qf5 16.Rc1 b5 17.Qb3 Bd6=+) 13.Be2 Rad8 14.Qa4 Be4 15.0-0 Bd6 16.Rfc1 Qe6 17.Bc3 b5=+.

11.Be2=+ Rb8 12.0-0 Qd6 (12...Qd7 13.Nd5 Qd5 14.d3 Bd6 15.Re1 Qe6 16.Qc2 Qg6 17.Nh4 Qh6=; 12...Nc3 13.Bc3 Bd3 14.Bd3 Qd3 15.Qb1 Red8 16.Ne5 Ne5 17.Be5 Rd7=; 12...Be6 13.d3 Nc3 14.Bc3 Bd6 15.Qc2 Qe7 16.Rfb1 a6 17.Qb2 f5=; 12...a6 13.d3 Nc3 14.Bc3 Bd6 15.Qc2 Qe7 16.Qb2 f6 17.d4 Qf7=; 12...Nf6 13.d4 Nd5 14.Bd3 Nc3 15.Bc3 Qd5 16.Bf5 Qf5 17.Qb3 Bf6=) 13.Nd5 Qd5 14.d3 Bd6 15.Re1 Qe6 16.Qc2 Qg6 17.Nh4 Qh6=.

11.Be2=+ Nc3 12.Bc3 (12.dc3 Bd6 13.0-0 Qf6 14.Qb3 Be4 15.Rad1 Qg6 16.Rd2 Ne5 17.Ne1 Rad8-/+) 12...Qd5 (12...Qd6 13.0-0 Qg6 14.Qb3 Rab8 15.d4 Bc2 16.Qa2 Bd6 17.d5 Ne7=; 12...Rb8 13.0-0 Bd3 14.Bd3 Qd3 15.Qb1 Qd6 16.Rc1 a6 17.Qf5 Rbd8=; 12...a6 13.Qb3 b5 14.Qb2 Bf8 15.d4 Qd5 16.0-0 Be4 17.Rfc1 Bd6=; 12...Qd7 13.0-0 Qe6 14.Bb5 Red8 15.d3 Qg6 16.d4 Rac8 17.Bc6 Qc6=+; 12...Bd6 13.0-0 a6 14.Qc1 Rb8 15.Qb2 f6 16.Bc4 Kf8 17.d4 b5=) 13.d3 Qe6 14.0-0 Qg6 15.Ne5 Ne5 16.Be5 c5 17.Qb3 b6=+; 11...a6 12.0-0 Nb6 (12...Qd6 13.Nd5 Qd5 14.d3 Qe6 15.Qc2 Bd6 16.Rfb1 Rab8 17.Rc1 Rbd8=; 12...Qd7 13.Nd5 Qd5 14.d3 Bd6 15.Re1 Qe6 16.e4 Bg4 17.Rb1 Rab8=; 12...Nc3 13.Bc3 Qd6 14.Qb3 b5 15.Rfc1 Qg6 16.d4 Bd6 17.Nd2 Qh6=; 12...Rb8 13.d3 Bf6 14.Qc2 Nb6 15.Nd2 Bc3 16.Bc3 Nd5 17.Nf3 Nc3=; 12...Rc8 13.d3 Bf6 14.Qd2 Nb6 15.Rfd1 Qd6 16.Rac1 Rcd8 17.d4 Qe6=) 13.d4 Bd6 14.Rc1 Qe7 15.Qb3 Rad8 16.d5 Na5 17.Qa2 c6=.

11.Be2=+ Qd6 12.Nd5 (12.0-0 Rad8 (12...Nc3 13.Bc3 Qg6 14.Qb3 Rab8 15.d4 Bc2 16.Qa2 Bd6 17.d5 Ne7=; 12...Nb6 13.Nb5 Qd7 14.d3 Rad8 15.Nbd4 Nd4 16.Nd4 Na4 17.Nf5 Nb2+=; 12...Be6 13.Ne4 Qd8 14.Bb5 f5 15.Ng3 Rb8 16.Nd4 Qc8 17.Rb1 f4+–; 12...a6 13.Nd5 Qd5 14.d3 Bd6 15.e4 Qe6 16.Re1 Bg4 17.Rb1 Rab8=; 12...Red8 13.d4 Rab8 14.Rc1 Nc3 15.Rc3 Qg6 16.Bd3 Rd5 17.Bf5 Qf5=) 13.d4 Nc3 14.Bc3 Qd5 15.Bd3 Bg4 16.e4 Qh5 17.d5 Bd6=; 12.d4 Qe6 (12...Rab8 13.0-0 a6 14.Bd3 Bd3 15.Qd3 Nc3 16.Bc3 Rbd8 17.Rfb1 b5=; 12...a6 13.0-0 Rad8 14.Bd3 Qg6 15.Bf5 Qf5 16.Qb1 Qb1 17.Rfb1 f5=; 12...a5 13.Nd5 Qd5 14.Qa4 Be4 15.Qb5 Qe6 16.0-0 Rad8 17.Ng5 Bg5=; 12...Nc3 13.Bc3 Qg6 14.Qb3 Nd8 15.0-0 Bh3 16.Ne1 c6 17.Bd3 Bf5=; 12...Qd7 13.Nd5 Qd5 14.Qa4 Be4 15.Qb5 Qd6 16.0-0 a6 17.Qh5 Rad8=) 13.Nd5 Qd5 14.Qa4 Be4 15.Qb5 Qd6 16.0-0 a6 17.Qh5 Rad8=; 12.Qb3 Nc3 (12...Be6 13.Nb5 Qd7 14.Nbd4 Nd4 15.Nd4 c6 16.Ne6 Qe6 17.d4 Bd6=; 12...Nb6 13.Nb5 Qd7 14.Ne5 Ne5 15.Be5 Bd8 16.d4 a6 17.Nc3 Be6=; 12...Nf6 13.Nb5 Qd8 14.0-0 Be6 15.Qc2 a6 16.Nbd4 Nd4 17.Nd4 Bd5=) 13.Bc3 Rab8 14.0-0 Qg6 15.d4 Bc2 16.Qa2 Bd6 17.d5 Ne7=; 12.Qc1 Nf6 13.d4 Rad8 14.0-0 a6 15.Ne5 Na5 16.Qe1 Nb3 17.Ra2 b5=+; 12.d3 Rad8 (12...Nc3 13.Bc3 Rad8 14.d4 a6 15.Bd3 Bd3 16.Qd3 Qd5 17.0-0 Bd6=) 13.Nd5 Qd5 14.e4 Be4 15.de4 Qe4 16.Nd2 Qg2 17.Rf1 Bg5-+) 12...Qd5 13.0-0 (13.d3 Rad8 14.e4 Be4 15.de4 Qe4 16.Nd2 Qg2 17.Rf1 Bg5-+) 13...Bd3 (13...h6 14.d3 Bd7 (14...Bd6 15.e4 Qe6 16.Re1 Bg4 17.Rb1 a6=) 15.Qc2 (15.e4= Qe6 16.Rb1 Rad8 17.Re1 Bd6=) 15...Bd6 16.Qc3 f6 17.Rab1 Rad8=; 13...Rad8 14.d4 Bd6 15.Bd3 Bd3 16.Qd3 Ne5 17.Ne5 Re5=+) 14.Bd3 Qd3 15.Qb1 (15.Rc1 Rad8 16.Rc3 Qf5 17.Qb1 Qe6=) 15...Rad8 16.Bc3 (16.Rc1 Rd5 17.Rc3 Qa6=) 16...Rd6 (16...b6 17.Qd3 (17.a4= Qd6=) 17...Rd3=; 16...b5 17.Qd3 Rd3=) 17.Rc1 (17.Qb7?? Rb8 18.Qc7 Bd8 19.Qb8 Nb8-+) 17...Qa6 (17...g6 18.e4 (18.Qb7? Rb8 19.Qc7 Bd8-+) 18...Rb8 19.a4=) 18.d4+= Bf6 19.a4 Ne7 20.Qb5 Qb5 21.ab5 Nc8 22.Bb4 Rd7 23.Ne1 g6 24.Nd3 b6 25.Rab1 Nd6 26.Bd6 cd6 27.Rb2 Kf8 28.Nb4 Bg5 29.Ra1 Rc8 30.g3 Rdc7 31.Ra6 1–0. Buczinski,Henryk (2180) – Gerard,Andre (1815), DE5A/pr13, 2011.

11.Be2=+ Qd7 A) 12.Qc1 Rab8 (12...Nb6 13.d4 Qe6 14.Nb5 Rac8 15.Nc3 Rcd8 16.0-0 a6 17.Rd1 Rd7=+; 12...Nf6 13.d4 Rad8 14.0-0 a6 15.Rd1 Bd6 16.Na4 Ne4 17.Nc5 Bc5=; 12...a6 13.Nd5 Qd5 14.Qc3 Bf6 15.d4 Rad8 16.Rc1 Be4 17.0-0 Be7=; 12...Rad8 13.Bb5 Bf6 14.Nd5 Bb2 15.Qb2 Qd5 16.Bc6 bc6 17.Qa2 Rb8=) 13.Bb5 Bf6 14.0-0 Bg4 15.d4 Bf3 16.gf3 Nc3 17.Qc3 Qd5=+; B) 12.Rc1 Rad8 (12...Nc3 13.Rc3 Bd6 14.0-0 Rad8 15.Bb5 Be4 16.Ng5 Re5 17.Ne4 Rb5=; 12...Nb6 13.d4 Rad8 14.Qb3 a6 15.0-0 Na5 16.Qa2 Be6 17.Ne5 Qc8=; 12...Rab8 13.Nd5 Qd5 14.Bc4 Qd6 15.d4 Be4 16.Bd3 Qd5 17.Be4 Qe4=; 12...Bg4 13.0-0 Rad8 14.d4 a6 15.Nd5 Qd5 16.Bc4 Qh5 17.h3 Bf3=; 12...Nf6 13.d4 Rad8 14.Bb5 Qd6 15.Na4 Ne4 16.0-0 Bd7 17.d5 Nb8=) 13.Nd5 Qd5 14.Bc4 Qd6 15.d4 Qg6 16.0-0 Be4 17.Qe2 Na5=+; C) 12.d4 Rad8 (12...a6 13.0-0 Rad8 14.Qb3 Nc3 15.Qc3 Bd6 16.Rad1 Ne7 17.d5 f6=; 12...Nc3 13.Bc3 Be4 14.Bd3 Bd3 15.Qd3 Rad8 16.0-0 a6 17.Rfb1 b5=; 12...Qe6 13.Rc1 Nc3 14.Rc3 Qg6 15.0-0 Bh3 16.Ne1 Be6 17.d5 Rad8+=; 12...Rac8 13.0-0 Nc3 14.Bc3 Qd5 15.Bd3 Rb8 16.Bf5 Qf5 17.Qb3 Bf6=; 12...Rab8 13.0-0 Nc3 14.Bc3 Qd5 15.Bd3 Bd3 16.Qd3 Bd6 17.Rfe1 Re4=) 13.Nd5 Qd5 14.Qa4 a6 15.0-0 Qe6 16.Rfd1 Be4 17.Bd3 Bf3=+; D) 12.Nd5 Qd5 13.d3 Rad8 14.e4 Be4 15.de4 Qe4 16.Nd2 Qg2 17.Rf1 Bg5-+; E) 12.Qb3 Be6 (12...Nb6 13.d4 Na5 14.Qb5 Qb5 15.Nb5 Na4 16.Nc7 Nb2 17.Nd2 Nc6=; 12...Nf6 13.0-0 Be6 14.Qc2 Red8 15.d4 a6 16.Bd3 h6 17.Ne4 Bd5=) 13.Nd5 Bd5 14.Qd3 Qe6 15.0-0 Rad8 16.Qc3 Qg6 17.d4 Bd6=+; F) 12.0-0 Rad8 (12...Be6 13.Bb5 Nc3 14.Bc3 Bd6 15.Qc2 Rad8 16.Bc6 Qc6 17.Ng5 g6=; 12...a6 13.Nd5 Qd5 14.d3 Bd6 15.e4 Qe6 16.Re1 Bg4 17.Rb1 Rab8=; 12...Bf6 13.Qb3 Nb6 14.d4 Rad8 15.Rfd1 Be6 16.Qc2 Bc4 17.Bc4 Nc4=; 12...Nc3 13.Bc3 Qe6 14.Bb5 Red8 15.d3 Qg6 16.d4 Rac8 17.Bc6 Qc6=+; 12...Rab8 13.Nd5 Qd5 14.d3 Bd6 15.Re1 Qe6 16.Qc2 Qg6 17.Nh4 Qh6=) 13.Bb5 Nc3 14.Bc3 Qd6 15.Nd4 Nd4 16.Be8 Nc2 17.Qf3 Qd3=+.

11.Be2=+ Be6 A) 12.Bb5 Nc3 (12...Rb8 13.0-0 Bg4 14.h3 Bh5 15.d3 a6 16.Nd5 Qd5 17.Bc4 Qd6=) 13.dc3 Bd6 14.0-0 Rb8 15.c4 Qe7 16.Qd2 Bd7 17.Rfc1 a6=; B) 12.0-0 Nb6 (12...Qd6 13.Ne4 Qd7 14.Bb5 Bd6 15.Nd4 Rab8 16.d3 a6 17.Bc6 bc6+=; 12...Rb8 13.Qc2 Qd6 14.Bd3 h6 15.Nb5 Qd7 16.Ne5 Ne5 17.Be5 a6=; 12...a6 13.d3 Nc3 14.Bc3 Bd6 15.Qc2 Rb8 16.Rfb1 Qe7 17.Qb2 f6=; 12...Rc8 13.Bb5 Nc3 14.dc3 Rb8 15.Qc2 Bd6 16.Bd3 h6 17.c4 Qe7=; 12...Qd7 13.Bb5 Nc3 14.Bc3 Bd6 15.Qc2 Rad8 16.Bc6 Qc6 17.Ng5 g6=) 13.d3 Qd7 14.Qc2 Rad8 15.Ne4 Bd5 16.Rfb1 f5 17.Nc3 Bf3=.

10.0-0 a6 11.Bc4 Nb6 12.Be2 Bd3 13.Bd3= Qd3 14.Ne1 Qf5 15.d4 Nc4 16.Bc3 a5 17.Nf3 Rfe8=+ 18.Bb4 ab4 19.Nbd2 Nd6 20.Qb1 Qb1 21.Rfb1 f5 22.g3 Nb5 23.Nh4 Nc3=+ 24.Rb2 g6 25.Ng2 Nd5 26.Nb3 Ra3 27.Nf4 Nf4 28.ef4 Rea8=+ 29.Re1 Ra2-/+ 30.Ra2 Ra2 31.Re8 Kf7 32.Rc8 Kf6 33.Rc7= Ke6 34.Rh7 Ra3 35.Nc5 Kd5 36.Rd7 Kc4 37.Rb7 Nd4 38.Nd7 Ra1 39.Kg2 b3 40.Ne5 Kc3 41.Rc7 Kd2 42.Nc4 Kc3 43.Ne3 (43.Ne3 Kd3 44.Nc4=; 43.Ne5 Kd2 44.Rb7 Rd1 45.Nf3 Nf3 46.Kf3 Kc2 47.Rc7 Kb1-/+). Fischer,Detlev – Lubcke,D, corr 40 Jahre BdF, 1986.

10.0-0 a6 11.Bc6 Qc6 12.Nd4 Qf6 13.Qb3 Rad8 14.Rc1 Bd6 15.Nf5 (15.Qb7 Be4 16.f3 Rb8+=) 15...Qf5 16.Ba3 (16.Qb7? Rb8 17.Qa6 Rb2-+) 16...Rfe8 17.Bd6 Rd6 18.Qb7 Rf6 19.f4 Rb6 20.Qa7 Qd3 21.Kh1 Nb4 22.a3 (22.Qc7? Rc6 23.Qc6 Nc6-+) 22...Nc2 23.Ra2 Ne3! 24.de3 Rb1 25.Ra1 Rc1 26.Rc1 Qa3 27.Qc7 Qe3 28.h3 h5 29.Qc6 Re6 30.Qc8 Kh7 31.Qc2 Re4 32.Ra1 Qf4 33.Ra6 Qf1 34.Kh2 f5 35.Ra5?? (better is 35.Ra2-/+) 35...h4-+ (35...h4 36.Qd2 Re1 37.Qe1 Qe1 38.Rf5 Kg6-+) 0–1. Tycho – KFergason, playchess.de, 2004.

10.0-0 a6 11.Bc6 Qc6 12.Nd4 Qg6 13.Nf5 Qf5 14.d3 Qg6 15.Qf3 Qd3 16.Rd1 Qc2-/+ 17.Bg7 Kg7 18.Rd5 Qb2 19.Qg4 Kh8-+ 20.Qd4 Qd4 21.Rd4 Rad8 22.f3 Bc5 23.Rd8 Be3 24.Kf1 Rd8 25.Nc3 c5 26.Re1 Rd3 27.Nd5 Bd2 28.Re5 c4 29.Ke2 b5 30.Nf6 Bc3 31.Re8 Kg7 32.Ne4 Bb4 33.g4 Ra3 34.h4 Ra2 35.Ke3 Ra3 36.Kf4 h5 37.gh5 Rd3 38.Ra8 a5 39.Ra6 Rd8 40.h6 Kh8 41.Ra7 c3 42.Rf7 c2 43.Rc7 Bd2 44.Nd2 Rd4 45.Kf5 Rd2 46.Kg6 Rg2 (46...Rg2 47.Kh5 b4 48.Rc8 Rg8 49.Rc2 b3-+) 0–1. pcmvr – marekt, internet, 2005.

10.a3 Bc5 11.d4 Bb4 12.Nfd2 a6 13.Be2 Ba5 14.0-0 Rfe8 15.Bf3 Nb6 16.Qc1 Bd3 17.Rd1 Bd2 18.Nd2 Na4 19.Ra2 Rad8 20.h3 Nb6 21.Qc3 Qg6 22.Bc6 bc6 23.Rc1 Re6 24.a4 Nd5 25.Qc5 f5 26.Nf3 Be4 27.Ne1 Nf4 28.ef4 Bd5 29.Nf3 Bf3 30.g3 Qg4 31.Qa3 Rh6 32.Qb3 Kh8 33.Ra3 Be4 34.Kf1 Rh3 35.Ke1 Rh1 36.Kd2 Rc1 37.Kc1 Qe2 38.f3 Bd5 39.Qe3 Qf1 40.Kc2 Qg2 41.Qd2 Qg3 42.Rc3 Bf3 43.Kb3 Rb8 44.Ka2 Bd5 45.Ka1 Qg4 46.Re3 Be4 47.Re1 Rb3 48.Ka2 Qg3 49.Re2 Rd3 50.Qc1 Rf3 51.Qc5 h6 52.Qc1 Rf4 53.Re3 Qh2 54.Qc3 Rf2 55.Ka3 Rc2 56.Qb4 h5 57.d5 c5 58.Qb3 Qd6 59.Qb8 Kh7 60.Rc3 Rh2 61.a5 Bd5 0–1. bambinik (2545) – lordknut (2490), 2003.

10.0-0 Rad8 11.d4 Rfe8 12.a3 Ba5 13.Qb3 a6 14.Be2 b5 15.Rc1 Bb6 16.Qd1 Qh6 17.Kh1= Na5 18.Nbd2 c6 19.Qf1 Nb7 20.Bd3 Bd3=+ 21.Qd3 c5 22.Qf5 c4 23.a4 Nb4 24.Ne5=+ f6 25.Ng4 Qg6 26.Qg6 hg6 27.ab5 ab5 28.Kg1 Nd3-/+ 29.Rcb1 Ba5 30.Bc3?? Bc3-+ (30...Bc3 31.Ra7 Bd2 32.Rb7 c3-+) 0–1. Scholz,Guenter – Mueller,Hans, BdF, 2001.

11.0-0 Qd6 12.Nc3=.

10.0-0 Re8 11.d3=+.

10.a3 Ba5 11.0-0 Bd3 (11...Qd6 12.Nc3=) 12.Nd4 Be2 13.Qe2 Nd4 14.Bd4 c6 15.Rc1 Nd5 16.Qg4 f6 17.Nc3 Bc3 18.dc3 Qc8 19.Qc8 Rfc8 (worse is 19...Rac8 20.Ba7 Ra8 21.Bc5+/–) 20.c4 Nc7 ½–½. Daatselaar,Jan Bart van (2070) – Bjazevic,Pavao (2245), WSTT/3/06/S1, 2008.

11.a3 Be7 12.Ne1 Be2 13.Qe2 Qd5 (13...Qd7 14.d3=) 14.Nc3 Qe6 15.h3 Rad8 16.d3 Qb3 17.Nf3 Rd6 18.d4 Rfd8 19.Rab1 Qc4 20.Rfc1 R6d7 21.Qd1 Qa6 22.Ne4 Rd5 (22...Ba3? 23.Ra1+–) 23.Qc2 Qa4 (23...Ba3 24.Nfg5 f5 25.Nc3+=) 24.Qa4 Na4 25.Nc3 Ra5 (25...Nc3 26.Rc3 Rb5 27.Rcc1+=) 26.Na4 Ra4 27.e4 Rc8 (27...Ba3? 28.Ba3 Ra3 29.Rb7 Rf3 30.gf3 Nd4 31.Rcc7+–) 28.Rc2 Na5 29.Bc3 (29.Nd2 b6+= (29...Ba3? 30.Ra1+–)) 29...b6 30.Bb4 c5 31.dc5 bc5 32.Bc5 f6 (worse is 32...Bc5 33.Rc5 Re8 34.Rbb5+–; 32...Re4?? 33.Be7 Rec4 34.Rc4 Nc4 35.Rb7+–) 33.Rbc1 (worse is 33.Be7 Rc2 34.e5 Kf7 35.ef6 gf6-/+) 33...Re4 34.Nd4 Rc5 35.Rc5 Bc5 36.Rc5 Rd4 37.Ra5 Rd7 (37...Rd1 38.Kh2 Rd7 39.Kg3=) 38.h4 Kf7 39.f3 Ke6 40.Kh2 h6 41.g4 Kd6 42.h5 Kc6 43.Kg3 Kd6 44.a4 Ke6 45.Rc5 Kd6 46.Rc4 Rb7 47.Kf4 Ke6 48.a5 Rd7 49.a6 Rd1 50.Re4 Kf7 51.Rb4 g5? 52.hg6!+– Kg6 53.Rb7 Ra1 54.Ra7 Ra4 55.Kg3 h5 56.gh5 Kh5+/– 57.Kf2 Kg6 58.Ke3 Kf5 59.Ra8 Ra3 60.Kf2 ½–½. Gierth,Karlheinz (2265) – Lehmann,Stefan (2355), RSLBL – BL2009, 2010.

11.Bd3= Qd3 12.Ne1 Qd7 13.d4= Nc4 14.Bc3 a5 15.Qe2 Nb6 16.a3 Bd6 17.Ra2 Qe6 18.Nd3 (18.Nf3 Rfe8=+). Rodin – Solovyev, SU, 1976.

11.Bd3 Qd3 12.Ne1 Qd7 13.d4 Qf5 14.Nd3 Bd6 15.Nc3 Nc4 16.Rb1 Rab8 17.d5 N6e5 18.e4 Nb2 19.Rb2 Qf6 20.a4 Qh6 21.h3 f5 22.Ne5 Be5-/+ 23.Rb3 Qf4 24.g3 Qh6 25.Kg2 f4 26.Nb5 fg3 27.fg3 Rf1 28.Qf1 Rf8 29.Qe2 Qc1 30.h4 a6-/+ 31.Na3 Bd4 32.Qd3 Qg1 33.Kh3 Rf2 34.Kg4 Bf6 35.Rb1 Qg2 36.Rb7 g6 37.Rb8 Kg7 38.Rh8 Kh8 39.Qf3 h5 40.Kf4 Rf3# (40...Qf3#) 0–1. Bonetti,Shane – ghost, ICC, 2002.

11.Bd3 Qd3 12.Ne1 Qg6 13.d4 Rfe8 14.Bc3 Bd6 15.Qd3 Qh5 16.Nf3 Re6 17.Nbd2 Nd5 18.Rfc1 Rae8 19.a4 g5 (better is 19...Rh6!? 20.h3 Ree6+=) 20.Qf5+= Nc3 21.Rc3 h6 22.h3 Ne7 23.Qb5 c6? (better is 23...Rb8+=) 24.Qb7+– g4 25.hg4 Qg4 26.Ne5 (better is 26.Qa7!? Rg6 27.Ne1+–) 26...Be5+/– 27.de5 Rg6 28.g3 Nf5 29.Rc6+– Rg7? 30.Rc8 Ng3? 31.Re8 Kh7 32.fg3 Qg3 33.Kf1 Qh2 34.Qe4 Rg6 35.Ke1 Kg7 36.Qf4 (36.Qf4 Qf4 37.ef4 Rg1 38.Nf1+–) 1–0. Caroff,F (2115) – Battaglini,G (2410), 12th ch–EUR Aix–les–Bains FRA, 2011.

11.Nd4 Ne5 =.

11.Ne1 Be2=+ 12.Qe2 Na4 (12...Qd7 13.d3=+) 13.Ba3 Qf6 (13...a5 14.d4=+) 14.d4 (14.Bb4 Nb4 15.d4 Nd5=) 14...a5 15.Qc2 (15.Qb5 Nb6=) 15...Nd4 (15...Nb6 16.Nd3=) 16.ed4 Qd4 17.Qa4 Qa1 18.Nc2 (18.Bb4 ab4 19.Qb4 c5=+) 18...Qa2 19.Nb4 ab4 20.Qb4 b6 21.Bb2 c5 22.Qc3 (22.Qb6? Rfb8 23.Qc5 Rb2-+) 22...f6 23.Nd2 b5 24.Ra1 Qd5-/+ 25.Rc1 c4 26.Nf1 Rfd8 27.h3 Ra2 28.Ne3 Qd2 29.Rd1 Qd1 30.Nd1=+ Rd1 31.Kh2 Rb1 32.Qe3 Kf7 33.Bd4 Rb3 34.Qe4 Rd2 35.Qd5 Kg6= 36.g4 h6 37.Qf5 Kf7 38.Qd7 Kg8 39.Qe8 Kh7 40.Qe4 Kg8 41.Qe8 (41.Be3 Rd1=) ½–½. Poenisch,Eckehard (2240) – Zschiedrich,Heiko (2145), Oberliga Ost–A, 2001.

10.0-0 Qe7 11.Nc3 Nc3 12.Bc3 Ne5 (12...Nb4 13.Qb3=) 13.Nd4 Bg6? (better 13...Bd7=) 14.f4+/- Be4 (14...Nc6 15.Nc6 bc6+=) 15.fe5+- Qe5 16.Nf3 Qh5 17.h3 Qg6 18.Bc4 Bf5?? (18...Rad8+-) 19.Nh4 Qg3 1-0. OnlyPolishOpening (2330) - alexvdm (2225), lichess.org, 2020.

10.0-0 Nf6 11.d3 Bg6 (11...Re8 12.Na3=) 12.Nbd2 Re8 13.Rc1 (13.Nh4 Rb8+=) 13...Ne5 (better 13...Nb4 14.Qb3 Nd3 15.Bd3 Bd3 16.Bf6 gf6=) 14.h3 (better 14.Be5 Be5 15.Nc4+=) 14...Nd3-/+ 15.Bd3 Bd3 16.Re1 Bg6 (16...a5 17.Nc4 Bc4 18.Rc4-/+) 17.Nc4=+ Ne4 18.Qb3 b6 19.Nd4 (19.Red1 Rc8-/+) 19...Qf6 20.Nb5?? (better 20.Nf3 Qe7 21.Nd6 cd6 22.Qc4-/+) 20...Qf2 21.Kh1 Qg3 (21...Ng3 22.Kh2 Nf1 23.Kh1 Be4 24.Nbd6 Qg2) 22.Nbd6-+ Nd6 (better 22...Nf2 23.Kg1 Nh3 24.Kh1-+) 23.Nd6 Qd6 (23...cd6 24.Re2-+) 24.Rf1 (24.Qc3 f6 25.Qc7 Qd2 26.Qc4 Bf7-+) 24...Qe6 (24...c5 25.Rf3-+) 25.Qc3 (25.Qe6 Re6 26.Rc7 Re3 27.Rd1-+) 25...f6 26.Rcd1 (26.Qc7 Qe3 27.Ba1 Re7-+) 26...c5 (26...Qa2?! 27.Rf6 Re7 28.Rc6-+) 27.Rf4 (27.a3 Qe3 28.Qe3 Re3-+) 27...Qe3 (27...Qa2?! 28.Rf6 Re7 29.Rfd6-+) 28.Qc4 (28.Qe3 Re3 29.Kg1 Rae8-+) 28...Kh8 (28...Bf7 29.Qf1 Qe2 30.Rf2 Qf1 31.Rdf1 Ba2 32.Bf6-+) 29.Bc1 Qe2 30.Qd5 (30.Rd2 Qc4 31.Rc4 Rac8-+) 30...Rad8! 31.Qd8 Rd8 32.Rd8 Be8 33.Rf3 h6 34.Re3 Qf1 35.Kh2 Qf4?? (better 35...Qc1!? 36.Rde8 Kh7-+) 36.Kh1 (36.Kg1 Kh7 37.Rde8 Qc4=+) 36...Kh7-/+ 37.Ree8? (better 37.Re1 Qc4 38.Rde8 Qa2 39.R8e2-/+) 37...Qf1 (37...Qc1 38.Kh2-+) 38.Kh2 Qc1 0-1. cucosant2 (1770) - nono1122 (2010), Casual Blitz game, lichess.org, 2020.

10.Qb3 Ndb4 11.0-0 Be6=.

10.Nc3 Nc3 11.Bc3 a6 (11...Re8 12.0-0=+) 12.Qb3 +–. Adam – Lachmann, corr, 1970.

10.d4 Re8 (10...Ncb4 11.Na3=+) 11.0-0=+ Qe7 12.Bb5 Bd7 13.Nc3 Nc3 14.Bc3 a6 15.Bd3 Bg4 16.Rb1 b5 17.h3 Bh5 18.Rc1 (18.d5 Nb4 19.Bh7 Kh7=) 18...Rad8 19.Bd2 Nb4 20.Bb4 Bb4 21.Rc6 Rd6 22.Rd6 Bd6 23.Be2 c5 (23...Qf6 24.Qc2=+) 24.dc5= Bc5 25.Qd5 ½–½. Dopper,Johan – Kogeler,Aart, corr, 1991.

10.0-0 a6 11.a3 (11.d3 Rfe8 12.a3 Bd6 13.Nbd2; 11.Nc3 Rfd8 12.a3 Nc3 13.Bc3) 11...Be7 12.d3 Be6 13.Qc2.

10.0-0 Rae8 11.Nc3 (11.Bb5 Bg4 12.h3 Bh5 13.g4; 11.d3 Qe6 12.a3 Bd6 13.Nc3) 11...Rd8 12.a3 Be7 13.d4.

10.0-0 Rfe8 11.a3 (11.Bb5 Bg4 12.h3 Bh5 13.g4; 11.d3 Rad8 12.a3 Bd6 13.Nc3) 11...Bd6 12.Nc3=+ Nb6 13.Nb5.

10.a3 Ba5 11.0-0 (11.Bb5 Nde7 12.Nd4 Qd5 13.Nf5; 11.Qb3 Rfd8 12.0-0 Be6 13.Bc4) 11...Rad8 12.Bb5 Qd6 13.Qa4.

10.a3 Bd6 11.Nc3 (11.Qb3 Nb6 12.0-0 a6 13.d3; 11.0-0 Nb6 12.Nc3 Rad8 13.Nb5) 11...Nb6 12.Nb5 Be7 13.0-0.

10.a3 Be7 11.0-0 Rad8 12.Bb5 Qd6 13.Qc1.

10.a3 Be7 11.Bb5 Qe6 12.0-0 a6 13.Bc6.

10.a3 Be7 11.Nc3 Rfd8 12.0-0 Nc3 13.Bc3.

10.a3 Be7 11.d3 Rad8 12.Nbd2 Rfe8 13.0-0 Qe6 14.Re1 (14.Qb3 b6=+) 14...Qg6 (14...Bf6 15.d4 Nb6 16.h3=+) 15.Qc2 (15.Qb3 Be6 16.Qc2 h5=) 15...Nb6 (15...Bf6 16.Bf6 Qf6 17.Rac1=) 16.e4 Bh3 17.Bf1 Bc8 (17...Rd6 18.Rac1 Kh8 19.d4+–) 18.Rac1 Bf6 19.Re3 (19.e5 Be7=) 19...Bg4 20.h3 Be6 21.Qb1 Rd7 (21...Bb2 22.Qb2 f5 23.Nh4+=) 22.d4+= Nd4 23.Bd4 Bd4 (23...Rd4 24.Nd4 Bd4 25.Rd3+–) 24.Nd4 Rd4 25.Nf3 Rdd8 26.a4 (26.Rc7 Bh3 27.Rb7 Bc8 28.Ra7 Nd5+=) 26...Bc8 (26...Re7!?=) 27.a5+– Na8 28.Bd3 Qh6 29.e5 Be6 30.h4 (30.Be4 b6+–) 30...b6 31.Ng5 g6 (31...Qh4 32.Ne6 Re6 33.Rh3+=) 32.Ne4+– Kh8 33.Nf6 Rf8 34.Bc4 (34.ab6 ab6 35.h5 Rd4+=) 34...ba5 (34...Rd2!?+=) 35.Be6+– fe6 36.Qb3 a4 (36...c5 37.Rc5 a4 38.Qa4+–) 37.Qe6 c5 38.Ree1 Nc7 39.Qc6 Ne8 40.Ne4 (40.Qa4?! Nf6 41.ef6 Rf6 42.Qa7 Qh4 43.Qc5 Kg8=; worse 40.Rc5 Nf6 41.ef6 Qh4=+) 40...Qh4 41.Qc5 Ng7 42.Nf6 a5 43.Rc4 (43.Qa5?! Nh5 44.Ne4 Nf4+=) 43...Qg5 44.Qa7 (44.Ra4? Rf6 45.Ra5 Rf7-+) 44...Ra8 45.Qc7 Qf5 (45...Qh6 46.Ra4 Ne8 47.Ne8 Rae8 48.Qa5+– (48.Ra5?! Rf2 49.Qc3 Qd2 50.Qd2 Rd2=)) 46.Rd1 (46.Ra4 Qc8 47.Rc1 Rd8+–) 46...Rac8? (better 46...a3+=) 47.Qe7+– Qe6 48.Qe6 Ne6 49.Rd7 Ng7 50.Ra4 Ra8 (50...Rc5 51.f4+–) 51.Rc4 Rad8 (51...Rfd8 52.Rf7+–) 52.Re7 Rf6? (better 52...Rc8 53.Ra4 Rc6 54.Ra5 Re6+–) 53.ef6 Nh5 54.Rcc7 Nf6 55.Rf7 Ng4 (55...Ne4 56.f3 Nd6 57.Rh7 Kg8 58.Rcg7 Kf8 59.Ra7+–) 56.Rh7 Kg8 57.Rcg7 Kf8 58.g3 1–0. Buczinski,Henryk (2200) – Jarabinsky,Martin (2155), RM–2012–0-00096, 2012.

10.Bb5 A) 10...Qd6 11.a3 (11.Qc1 Nde7 12.a3 Ba5 13.Nc3; 11.0-0 a6 12.Bc6 Qc6 13.Nd4) 11...Bc5 12.0-0 a6 13.Bc6; B) 10...Bd6 11.Nd4 Ndb4 12.0-0 Be5 13.Nf5; C) 10...Nde7 11.Nd4 (11.Qb3 a6 12.Be2 Be6 13.Qc2; 11.0-0 a6 12.Ne5 Qd6 13.Bc6) 11...a6 12.Nf5 Qf5 13.Be2.

11.a3 Ba5 12.Nc3 a6=+.

11.a3 Ba5 12.d4 Rfe8 13.Qb3 Nf4 14.Bc4 Ng2 15.Kg2?? (15.Nc3 Bg6 16.Kh1-+ (16.Qb7?? Rb8 17.Qa6 Rb6 18.Qb6 ab6-+)) 15...Bh3-+ 16.Kg1 (16.Kh1 Qg4 17.Nh4 (17.Bf7?? Kh8 18.Nh4 Qh4-+) 17...Qh4 18.Qc2-+) 16…Qg4 (16...Qg4 17.Kh1 Qg2) 0–1. Lord Cuthbertson (1630) – termite (2345), ChessWorld.net, 2007.

11.a3 Ba5 12.Nh4 Be6 13.Qc2 Rfe8 14.Bd3 g6 15.Be2 Qe7 16.Nf3 Nf4 (16...Bf5 17.Qb3 Qd6=) 17.Bd1 (better 17.Bb5 Nd5 18.Bc6 bc6 19.Ne5+–) 17...Bf5 18.Qb3 Nd3 19.Be2 (19.Qb7 Be4 20.Bc3 Rb8-/+) 19...Bb6 20.a4 (20.Nc3 Na5 21.Qa2 Qd7-/+ (21...Nb2?! 22.Qb2 c5 23.Bb5=)) 20...a5 (20...Ncb4 21.a5 Bc5 22.Qc3 Nb2 23.Qb2=+) 21.Bc3 Be4 (21...Be6 22.Qc2 Ncb4 23.Bb4 Nb4 24.Qb2=+) 22.Na3=+ Bd5 23.Qd1 (23.Qc2 Ncb4 24.Bb4 Nb4=+ (24...Qb4? 25.Bd3 Bb3 26.Qb1+–; 24...ab4?! 25.Nc4 Be4 26.Qb3=+)) 23...Ncb4-/+ 24.Ne1 Ne1 25.Re1 Qh4 (25...Qg5 26.g3=+) 26.Bf3 (26.d4 c5=+) 26...Bf3 (26...Nd3 27.Rf1=+) 27.Qf3 Nd5 28.Bb2 (28.Nb5 f5=+) 28...Qa4 29.Rec1 (29.e4 Ne7 30.Rec1 Qb4=) 29...Qe4 30.Qe4 (30.Qh3 Qe6 31.Qh6 f6=+) 30...Re4 31.Nc4 Ra8 32.Ra4 Ree8 33.Rb1 (33.Rca1 Ra6=+) 33...Ra6 34.g3 (34.Bc3 f5=+) 34...f5-/+ 35.Kf1 Kf7 36.Kg2 (36.Rba1 g5-/+) 36...Ke6 (36...Rd8 37.Bc3-/+) 37.Ba3 (37.f3 Rd8-/+) 37...Kd7 (37...h5 38.Bb2-/+) 38.f3 Re6 39.Bf8 (39.Ra1 Kc6-/+) 39...c6 (39...Kc6 40.f4 Kd7 41.Ne5 Ke8 42.Bg7-+) 40.Ra3 (40.Bg7 c5-/+) 40...a4 41.Nb2 (41.Nb6 Nb6 (worse 41...Rb6 42.Rb6 Nb6 43.Bc5=+) 42.Bc5 Nc4 43.Rb7 Kc8 44.Rh7 Na3 45.Ba3 c5-/+) 41...Re8 (41...Ke8!? 42.Bg7 Kf7-+) 42.Bh6-/+ Rea8 43.e4 (43.Rba1 Ba5 44.e4 fe4 45.fe4 Nb6 46.Na4 Na4 47.Ra4 b5=) 43...fe4 44.fe4 Nf6 45.Rd3 Kc7 46.Rf1 (46.Nc4!? Bc5 47.Rf3-+) 46...Ne4-+ 47.Bf4 Kc8 48.Be5 Nf2! 49.Rf3 (49.Rf2 Bf2 Combination) 49...Ne4 (better 49...Ng4 50.Bg7 a3-+) 50.Rd3= Nf2 ½–½. forsetinn (2405) – acalado58 (2130), gameknot.com, 2015.

11.a3 Bd6 12.Nc3 Nb6 13.d4.

11.a3 Be7 12.d4=+.

11.Bb5 Nde7=+ 12.Qa4 a6 13.Qb4.

11.Nc3 Nc3 (11...Rfe8 12.a3 Bc3 13.Bc3 Nc3 14.dc3=) 12.Bc3= Bc3 13.dc3 Qe7 (13...Be4 14.Qd7 Rd7 15.Rfd1=) 14.Nd4 (14.Qb3 b6=) 14...Be4 (14...Nd4 15.cd4 c5 16.Bd3=) 15.Bd3 (15.Bf3 Rfe8=) 15...Bd3 16.Qd3 Ne5 17.Qc2 (17.Qe4 c5 18.Nf3 Nf3 19.Qf3 Rd3=+) 17...Rd7 (17...c5 18.Nf5 Qf6 19.Rad1=+) 18.Rad1 Rfd8 19.Nf5 Qe6 20.Rd7 Rd7 21.Nd4 (21.e4 g6 22.Ng3 c5=) 21...Qg6 22.e4 c5 23.Nf5 Nf3 24.Kh1 Qa6 25.Ne3 Ne5 26.Kg1 h6 27.Nd5 (27.a4 Qg6=) 27...Nf3 28.gf3 Qg6 29.Kh1 Rd5 30.Rg1 Rg5 31.Rg5 hg5 (31...Qg5 32.Qa4=+) 32.Qa4 (32.Qd3 Qh5=) 32...Qh5 33.Kg2 g4 34.Qa7 gf3 35.Kg3 Qe5 36.Kf3 Qc3 37.Kg4 f5 38.ef5 Qd4 39.Kf3 Qd3 40.Kf4 Qd6 41.Kf3 Qc6 42.Ke3 Kf7 43.Qb8 (43.h4 Qc7=) 43...b5 44.a3 (44.Qe5 b4=) 44...c4 (44...Qe8 45.Qe8 Ke8 46.Ke4+=) 45.Qe5= c3?? (better 45...Qd7=) 46.Qe6+– Qe6 47.fe6 Ke6 48.h4 c2 49.Kd2 c1Q 50.Kc1 Kf5 (50...Kd5 51.Kc2+–) 51.Kb2 Kg4 (51...Ke6 52.Kc3 Kd5 53.Kb4+–) 52.Kc3 Kh4 53.Kb4 g5 54.Kb5 g4 55.a4 Kh3 56.a5 Kg2 57.a6 Kf2 58.a7 g3 59.a8Q g2 60.Qa2 Kf1 (60...Kg3 61.Qa7 Kh2 62.Qf2+–) 61.Qc4 Kf2 62.Qf4 Kg1 (62...Ke2 63.Qg3 Kf1 64.Qf3 Kg1 65.Kc4+–) 63.Kc4 Kh1 64.Qh6 Kg1 65.Kd3 Kf1 (65...Kf2 66.Qf4 Kg1 67.Qf6 Kh1 68.Qh8 Kg1 69.Qd4 Kf1 70.Qf6 Kg1 71.Ke3 Kh1 72.Qh4 Kg1 73.Kf3 Kf1 74.Qf2) 66.Qd2 Kg1 (66...g1N 67.Ke3 Ne2 68.Qe2 Kg1 69.Kf3 Kh1 70.Qg2) 67.Ke2 Kh2 68.Kf3 Kh3 (68...Kh1 69.Qg2) 69.Qh6 1–0. mtr – Ricardo Beltramo, internet, 2009.

11.d3 Nb6 12.d4 Rfe8 13.Ba3.

10.0-0 a6 11.a3 Bd6 12.Qb3 Nf4 (12...Be6 13.Qc2=+ (13.Qb7?? Na5 14.Qa8 Ra8-+)) 13.Bc4= Ne6 14.Bd5 (worse 14.Qb7 Be4 15.Qb3 Bf3 16.gf3 Na5-/+) 14...Rad8 (14...Rab8 15.Qc3=) 15.d4 (better 15.e4!? Bg4 16.Bc6 (16.Qb7 Bf3 17.gf3 Bh2 18.Kh2 Qh4 19.Kg2 Nf4 20.Kg1 Qg5 21.Kh2 Qg2) 16...bc6 17.Qc3=) 15...Na5=+ 16.Qa4 b6 (16...Bh2 17.Kh2 Rd5 18.Nc3 Qd6 19.Kg1=) 17.Nc3= c5 18.Rfd1 (18.e4 Bg4 19.e5 Bb8 20.dc5 Bf3 21.Bf3 Nc5-+) 18...Qc7=+ 19.dc5 Nc5 (worse 19...bc5 20.Nh4 Bg6 21.Ng6 hg6 22.Qh4+–) 20.Qh4 Be7 (20...Nd3 21.Rd3 Bd3 22.Qd4=) 21.Qh5= Bg6 22.Qg4 Ncb3 23.Bb3 Nb3 24.Rd8 Rd8 25.Rf1 (25.Rd1 Rd1 26.Nd1 Qc2=+) 25...Nc5 26.Ne2 Nd3 27.Bd4 Ba3 28.Nh4 Bc5 (28...Bd6 29.f4 Nc5 30.f5=+) 29.Ng6=+ Bd4 30.Nd4 hg6 31.Qe4 Nc5 32.Qf3 a5 33.h3 a4 34.Rc1 Qd7 35.Qe2 Ne6 0–1. Laine,Jari (1850) – Cirulis,Ilmars (1775), FICGS, 2008.

10.0-0 Rfd8 11.d4 Rd6 (11...a6 12.a3 Bd6 13.Nbd2=) 12.Nbd2 (12.a3 Ba5=) 12...Rg6=+ 13.g3 Bh3 14.Re1 Bg4 15.a3 Ba5 16.Qa4 (16.Rc1 Re8=+) 16...Rd8 17.Ne5 Ne5 18.Qa5 Be2 19.Re2 Nd3 20.Rb1? (better 20.Nf1!?-/+) 20...N5f4!-+ (20...Nb2?! 21.Rb2 b6 22.Qa7=+) 21.Kf1?? (21.ef4 Qe2 Pinning (21...Qe2 Deflection)) 21…Qe6 (21...Qe6 22.ef4 Qh3 23.Kg1 Nf4-+) 0–1. Schaar,Joerg (1940) – Contreras,Jose (2055), CiF – Radko Krc Memorial, 2008.

10.0-0 Rae8 11.Bb5 Qc5 12.a4 Bc2 13.Qc1 =.

10.a3 Ba5 11.0-0 Rad8 12.d4 Rfe8 (12...a6 13.Qb3=+) 13.Qb3 Nf4 (13...Qe6=+) 14.Bd1?? (14.Bc4 b5 15.Bb5 Nh3 16.Kh1+–) 14...Bd3-/+ 15.Nbd2 (15.ef4? Bf1 16.h3 Ba6-+) 15...Bf1 16.Nf1 Nd5 17.Ng3 Bb6 18.Be2 g6 19.Rd1 Na5 20.Qc2 f5 21.Ne5 (21.Re1 Rc8-/+) 21...c5 22.Bb5 Rf8 23.dc5 (23.Re1 Rc8 24.Qb1 a6-/+) 23...Ne3 24.fe3 Qc5 25.Ba4 Qc2 26.Bc2 Rd1 27.Bd1 Rd8 28.Bf3 Be3 29.Kf1 Bd4 30.Nd3 (30.Bd4 Rd4 31.Ne2 Ra4-+) 30...Bb2 31.Nb2 Rd2 32.Na4 Rd3 33.Nc5 Ra3 34.Bd5 Kg7 35.Nb7 (35.Ne2 b6 36.Ne6 Kf6-+) 35...Nb7 36.Bb7 a5 37.Ke2 (37.Bd5-+) 37...Rb3 38.Bc6 Rb6 39.Bd7 Rb4 40.Kf3 (40.Kd3 a4 41.Ne2 a3-+) 40...a4 41.Be6 Kf6 42.Bg8 Rb8 43.Bd5 a3 44.Ne2 Rd8 45.Bc4 Rd3!! 46.Kf2 (46.Bd3 a2 Passed pawn) 46...Rd2 47.Kf3 a2 48.Ba2 Ra2 49.Nc1 (49.Nd4 g5 50.Nc6 Ra4-+) 49...Ra3 50.Ke2 f4 51.Nd3 Kf5 52.Nb4 (52.Nc5 g5 53.h3 Rg3-+) 52...Ke4 53.h4 (53.h3 g5 54.Nc6 f3 55.gf3 Rf3-+) 53...Kf5 54.h5 (54.Kf1 Kg4 55.Nc2 Ra2-+) 54...Kg5 (54...Kg4!? 55.hg6 hg6 56.Kd2-+) 55.hg6 (55.Nd5 gh5 56.Ke1 h4-+) 55...hg6 56.Kf1 (56.Nc6 Kg4 57.Ne5 Kg3 58.Ng6 Ra6 59.Nf4 Kf4-+) 56...Kg4 57.Kf2 (57.Nd5 Kg3 58.Ke2 g5-+) 57...Ra4 58.Nd3 Ra2 59.Kg1 (59.Kf1-+) 59...Kg3 60.Kf1 Rg2 (60...Rg2 61.Ke1 f3 62.Kd1 Ra2 63.Nc1 Ra1 64.Kd2 f2 65.Nb3 Ra2 66.Kc3 f1Q 67.Kd4 Qb5 68.Na5 Ra5 69.Kc3 Qc6 70.Kd3 Rd5 71.Ke2 Qe6 72.Kf1 Rd1) 0–1. Daatselaar,Jan Bart van (2200) – Chripko,Lubomir (2070), WC15/WS63 ICCF, 2006.

10.a3 Bd6 11.g3 (11.Qb3 Nb6=+) 11...Bh3 (11...Rad8 12.Qb3 Nb6 13.Qc3-/+) 12.Qc2 Nb6 13.Rg1 Be6 14.Nc3 f6 15.Bd3 g6 (15...f5 16.Nb5=+) 16.Be2 Rae8 17.g4 Na5 18.h4 Nac4 19.h5 Nb2 (worse 19...Na3 20.Ba3 Ba3 21.hg6+–) 20.Qb2 g5 21.Nb5 c6 22.Nd6 (worse 22.Na7 Nd5 23.Nd4 Be5-/+) 22...Qd6 23.Nd4 Bd5 24.Rg3 Qe5 25.Qb4 Nc4 26.d3 Nd6 27.Rc1 h6 28.e4 Qf4 29.Rc2 Be6 30.Rf3 (30.Qd2=) 30...a5 (better 30...Qe5!?=) 31.Qa5+= (worse 31.Rf4 ab4 32.Ne6 Re6-/+; 31.Ne6?! A) 31...ab4? 32.Nf4 (worse 32.Rf4 Re6 33.Rf5 Nf5 34.gf5 Re5 35.ab4 Ra8-/+) 32...ba3 33.Ng6+–; B) 31...Re6? 32.Qb3 (32.Rf4 ab4 33.Rf5 Nf5 34.gf5 Re5 35.ab4 Ra8-/+) 32...Qe5 33.d4+–; C) 31...Qe5 32.Qb3 C1) 32...Re6? 33.d4 a4 34.Qa2 (34.de5?! ab3 35.Rb3 fe5=) 34...Qa5 35.Kf1+–; C2) 32...Qe6 33.Qe6 Re6=) 31...Qh2 32.Rg3 Qh1 33.Kd2 Rd8? (33...Re7 34.Qb4 (34.Ne6?! Re6 35.Bf3 Qf1+=) 34...Rd8 A) 35.Ne6 Ne4 (35...Re6 36.Rc1 Ne4 37.Kc2 Ng3 38.Rh1 Re2 39.Kd1 Rd3 40.Kc1-/+) 36.Ke3 Nd6-/+; B) 35.Rc1+–) 34.Qb4 (34.Ne6!? Ne4 35.Ke3 Ng3+–) 34...Rfe8 (34...Bf7 35.Rc1 Qh2 36.Ke3+–) 35.Nf3 Qa1 (better 35...Bf7!? 36.Rg1 Qh3+–) 36.Rg1+– c5 37.Rc5 (37.Ra1?! cb4 38.Nd4 Ne4 39.de4 Rd4 40.Ke3 Bb3 41.Kd4 Bc2 42.Bc4 Kf8 43.ab4 Be4+=) 37...Qa2 38.Ke3 1–0. Permykov,Andrey (2010) – Sorcinelli,Andrea (1960), FICGS, 2013.

11.a3 Ba5 12.Qa4 Nb6 13.Qb3 Qe6 14.Qe6 fe6 15.Bc3 e5 (15...Bc3 16.dc3 e5 17.Nbd2=+) 16.Ba5 Na5 17.Ne5 Bb1 18.Rfb1 Rd2 19.Kf1 Nd5 (19...Rd5 20.Nf3=) 20.Ke1+= Re2 21.Ke2 Nc3 22.Ke1 Nb1 23.Rb1 Rd8 24.Rc1 c6 25.g4 Kf8 26.f4 b6 27.Rc2 (27.Nc6 Rc8-+) 27...c5 28.h4 Ke7 29.h5 h6 (29...Rd6 30.e4+=) 30.Ke2 (30.Rg2 c4+/-) 30...Ke6 31.Rc3 Rd5 32.Nf3 Nc6 33.a4 (33.e4 Nd4 34.Ke3 Rd8+=) 33...Rd7= 34.Rc4 Rc7 35.Rc1 Kd5 36.Nd2 Ke6 37.Rd1 (37.Nc4 Rd7+=) 37...Rd7= 38.Rg1 ½-½. Mehlhorn,Uwe (2375) - Hamann,Henner (2310), EU-ch, 2018.

11.a3 Ba5 12.Qb3 Qe6 13.d4 (13.Qb7? Rb8 14.Qa6 Rb2-+) 13...Bb6 14.Nbd2 Na5 15.Qd1 c5 16.Rc1 1–0. Bonoldi,Fabio (1880) – Nett,Philipp (1685), RB–2010-0-00078, 2010.

11.a3 Ba5 12.Qb3 Qe6 13.d4 Bb6 14.Re1 Na5 15.Qa4 Qe8 16.Bb5 Bd7 17.Bd7 Qd7 18.Qc2 Qc6 19.Nc3 Rfe8 20.Rec1 Qe6 21.Nd5 Qd5 22.Rab1 Rd6 23.Ne5 Qe6 24.a4 f6 25.Nd3 Qb3 (25...Qf7!?=) 26.Bc3+/– Qc2 27.Rc2 Rb8 28.Rcc1 Nc6 29.Nb2 Na5 30.Be1 Nc6 31.Nc4 Rd5 32.Bc3 Kf7 33.h3 f5 34.f3 Kg6 35.g4 1–0. aspasio – gmofredes (2680), net–chess.com, 2015.

11.a3 Ba5 12.Qb3 Nf4 13.Bc4 Nd3 14.Bc3 Nc5 (14...Bb6 15.Bd5+=) 15.Qa2 Be4 16.Ne1 Bb1 17.Rb1 Bc3 18.dc3 Ne5 19.Be2 Ne4 20.Rb7 (20.Qc2 Nd2 21.Rb7 Nf1 22.Kf1 Qa3 23.Rc7 Qa5-/+) 20...Nd2 (better is 20...Rd2!? 21.Rb2 Nc3 22.Rd2 Na2 23.Ra2 c5-/+) 21.Ra7 Nf1 22.Kf1 Qc5 23.Rb7 Qc3 24.Rb3 Qc6 25.a4 Qe4 26.Rc3 Qb4 (26...Qh4 27.h3+=) 27.Qc2 Ng4 28.h3 Nf6 29.Rc7 Rd2 30.Qc3 Qd6 31.Rc8 g6 32.Rf8 Kf8 33.Bf3 (33.a5!?+=) 33...Ra2= 34.Bc6 Ra3 (34...Kg8!?=) 35.Qb2 Ke7 36.Kg1 Qc5 37.Nf3 Rc3 38.Qb7 Kf8 39.Nd4 Rc1 40.Kh2 Qe5 41.g3 Rd1 (41...Kg7 42.Bg2+=) 42.Bf3 (42.Qb3 Rf1 43.Kg2 Rc1 44.Qa3 Qc5 45.Qc5 Rc5+/–) 42...Ra1 43.Qb4 Kg7 44.Nc6 Qe6 45.a5 Ra2 46.Kg2?? Qe3-+ (46...Qe3 47.Be2 Qe2-+) 0–1. Melich,J (2120) – Dimitrov,R (2380), 9th Georgiev–Kesarovski Mem, 2010.

11.a3 Ba5 12.Qb3= Nf4 13.Bc4 Nd3 14.Bd4 Qe4 15.Nc3 Qg4 16.h3 Qg6 17.Ne2 Bh3 18.Ng3 Nd4 19.Nd4 Nf2 20.Kf2 Bc8 21.Rad1 c5+= 22.Nf3 Bc7 23.Ne2 a6 24.a4 b6 25.d4 cd4 26.Rd4 Rd4 27.ed4 Re8 28.Ng5! (28.Ng5 Qg5 29.Bf7 Kf8 30.Be8 Ke8 31.Kg1+/–) 1–0. Reinhart,Kenneth M (2470) – Haznedaroglu,Kivanc (1990), corr ICCF WSTT/3/06/3, 2006.

11.a3 Bc5 12.Bb5 Na5 13.Qa4 =.

11.a3 Bd6 12.Nc3 Nc3 13.Bc3 Rfe8 14.d4 Be4 15.Nd2 Bd5 16.Bd3 Ba3 17.e4 Be6 18.d5 Bb4 19.Qb3 Bc3 20.Qc3 Qb4 21.Qc2 Nd4 22.Qa2 Bg4 23.Rfc1 Be2 24.Rc4+= Qb6 25.Rd4 Qd4 26.Be2 c6 27.Bf3 cd5 28.ed5 Rd7 29.Rd1+/– a6 30.Qb1 b5 31.Ne4 Qe5 32.g3 Kh8 33.d6 h6 34.Rd5!+– Qd5 35.Nf6! gf6 36.Bd5 Red8 37.Qf5 Kg7 38.Qg4 Kf8 39.Qh5 Kg7 40.Bb3 a5 41.Qb5 Rd6 42.Qh5 R6d7 43.Qg4 Kf8 44.Qf5 Kg7 45.Bc2 Kf8 46.Qf6 Rd6 47.Qh8 Ke7 48.Qe5 Kf8 49.Qa5 Rd2 50.Bb3 R2d3 51.Kg2 R8d7 52.Qf5 R3d6 53.h4 Kg7 54.Qf4 Rd3 55.Qe5 Kg8 56.Qf5 R3d6 57.Qf4 Kf8 58.Bf7! Ke7 59.Bc4 Rd4 60.Qe3 Kd8 61.Be6 (61.Be6 R7d6 62.Qh6+–) 1–0. marekt – esteves101, internet, 2009.

10.0-0 Ncb4 11.Nc3 Nd3 12.Qb3 Nb6 (12...Nb2? 13.Nd5 (13.Qd5?! Qd5 14.Nd5 Bd6=) 13...Bd6 14.Qb2 Bh2 15.Kh2 Qd5 16.Rfc1+-) 13.e4 Nb2 14.ef5 Nd3 15.Bd3 Qd3 16.Rfe1 Rae8 (16...Qd7 17.a4 a5 18.Qb5=) 17.Ne4 Qb3 18.ab3 a6 19.Re2 Nd5 20.g3 g6 21.fg6 fg6 22.Ne5 Nf6 23.f4 Ne4 24.Re4 Bd6 25.d4 c6 26.Kg2 Rd8 27.Ra4 Rfe8 28.Kf3 Be7 29.Nd3 Kf8 30.Ra5 Bd6 31.h4 Re4 32.Ke4 Ke7 33.h5 Bc7 34.Rc5 Bb6 35.Rc4 a5 Attacking the isolated pawn on d4 (35...gh5? 36.Rb4 Ba5 37.Rb7 Rd7 38.Rd7 Kd7 39.b4+-) 36.hg6 hg6 37.g4 Kf7 38.Nc5 Re8 39.Kd3 Bc5 40.Rc5 (40.dc5 Rh8+=) 40...Ra8 41.Ke3 Re8 42.Kd3 Ra8 43.d5 cd5 44.Rd5 a4 45.ba4 Ra4 46.Ke3 Rb4 47.Kf3 Rb3 48.Ke4 White plans f5 48...Rb4 (48...b5 49.Rd6=) 49.Ke5+= Kg7 (49...Ke7 50.Rc5+=) 50.Rd7 Kg8 51.Rc7 Rb6 52.f5 gf5 53.gf5 Kf8 54.Rh7 Kg8 55.Rc7 Kf8 56.Rh7 Kg8 57.Rc7 ½-½. Knight286 (2110) - TheJune (2105), Rated Blitz game, lichess.org, 2016.

10.0-0 Bf6 11.d4 Ncb4 12.Nc3 Nc3 13.Bc3 Nd5 14.Bb2 c5 (14...Re8 15.Qb3=) 15.Rc1 Rc8 (15...cd4 16.Bd4 Be4 17.Bd3+=) 16.Qb3 Be6 17.Qa4 (17.Bc4 cd4 18.Bd4 Rc4 19.Rc4 Nc7+=) 17...cd4 (17...a6 18.Qa3 c4 A) worse 19.Rc4 Nf4 20.ef4 Bc4 (20...Rc4?! 21.Bc4 Bc4 22.Re1=) 21.Bc4 Rc4-/+; B) 19.Bc4 Rc4 20.Rc4 Ne3 21.Qe3 Bc4 22.Re1=) 18.Nd4 Bd4 (18...Rc1 19.Rc1 (worse 19.Bc1 Nc3 20.Qc2 Bd4 21.ed4 Ne2 22.Qe2 Qd4-/+) 19...Qb6 A) 20.Ne6?? Qb2 (worse 20...fe6 21.Ba3 Nc3 22.Rc3 Bc3 23.Bf8 Kf8 24.Bd3+=) 21.Qc4 fe6-+; B) 20.Ba1+=) 19.Qd4+= (worse 19.ed4 Rc1 20.Rc1 Nf4=+) 19...Qg5 (19...Qf6 20.Qf6 Nf6 21.Bf6 gf6 22.a3+=) 20.Bf3 (20.Rc8 Rc8 21.Qa7 Ne7+/-) 20...Nb6 21.Bb7 Rcd8 22.Qe5 Qe5 23.Be5 Bd5 (23...Ba2!? 24.Rc7 a5+/-) 24.Bd5 Rd5 25.Bd4 Ra5 (25...Rd7 26.Rc6+/-) 26.Rc2+- h6 27.Rfc1 Rd8 28.h3 Rd6 29.Bc5 Rc6 30.Bb4 Rc2 31.Rc2 Rb5 32.a3 a5 33.Bd6 a4 34.Rc6 Rb3 35.Bc5 (35.e4 Nd7+-) 35...Nc4+/- 36.Ra6 Na3 37.Ra4 Nc2 38.Ra8 Kh7 39.Ra6 Rb1 40.Kh2 Ne1 41.Ra7 Kg6 42.g4 (42.Bd4!?+/-) 42...Nd3+= 43.Bd4 Rb3?? (better 43...Nf2!? 44.Kg2 Ne4+=) 44.Kg2?? (44.f4!? Ne1 45.f5 Kh7 46.Rf7 Nf3 47.Kg2 Nd4 48.ed4 h5+-) 44...Rb5? (44...Ne1 45.Kg3+/-) 45.h4 (better 45.f4 h5 46.f5 Kg5 47.Rf7 hg4 48.Rg7 Kf5 49.hg4 Ke4 50.Re7 Kd5 51.g5+-) 45...Nb4?? (better 45...h5 46.Ra6 Kh7+/-) 46.h5+- Kh7 47.Rf7 Rg5 48.Kh3 Kg8 49.f4 (better 49.Rc7+-) 49...Kf7 (49...Rh5 50.gh5 Kf7 51.Kg4+-) 50.fg5 hg5 51.Kg3 Nd5 (51...Kg8 52.e4 Kf7 53.Kf2+-) 52.Kf3 Ke6 (52...g6+-) 53.Ke4 Nf6 (53...Nb4 54.Bg7 Nc2+-) 54.Bf6 gf6 (54...Kf6 55.Kd5 Ke7 56.Ke5+-) 55.Kd4 (better 55.h6!? f5 56.gf5 Kf6+-) 55...Kf7 56.e4 Ke6 57.Kc4 Kf7 (57...Ke5 58.h6 Ke4 59.h7+-) 58.Kd3 (58.Kd5 Ke7 59.h6 Kf7 60.Kd6 Kg6 61.Ke6 f5 62.ef5 Kh6 63.f6 Kg6 64.f7 Kg7 65.Ke7 Kh6 66.f8Q Kh7 67.Qf7 Kh6 68.Qh5 Kg7 69.Qg5 Kh7 70.Kf6 Kh8 71.Qg7) 58...Ke7 59.Kd4 Kf7?? (59...Ke6 60.Kc5 Ke5+-) 60.e5 Ke6 61.ef6 Kf6 62.Ke4 (62.Kd5 Kf7 63.Ke5 Kg7+-) 62...Kg7 (62...Ke6 63.Kd3 Kf7+-) 63.Kf5 Kh6 64.Kf6 Kh7 65.Kg5 Kg7 66.Kf5 Kf7 67.g5 (67.g5 Kg7 68.Ke6 Kh7 69.Kf6 Kg8 70.g6 Kf8 71.g7 Ke8 72.Ke6 Kd8 73.Kd6 Kc8 74.g8Q Kb7 75.Qb3 Kc8 76.h6 Kd8 77.Qg8) 1-0. Butterbrot (2070) - Banelevich (2240), Rated Blitz game, lichess.org, 2017.

10.a3 Na5 11.d4 (11.0-0 c5=) 11...c5 12.dc5 Bc5 (12...Rc8 13.Nbd2 Bc5 14.0-0=+) 13.0-0 Rc8 14.Nd4 (14.Nc3 Nb6 15.Nb5 Nbc4=) 14...Bd7 (14...Bg6 15.Bg4 Qb6 16.Nc3 Qb2 17.Nd5=+) 15.Nc3 Nf6 16.Na4 (16.h3 Bd4 17.ed4 Be6=) 16...Be7 17.Rc1 (17.Nc3 a6=+) 17...Rc1 18.Bc1 a6 (18...Qc7!?=+) 19.Qc2 '=' 19...Ba4 (19...Nc6 20.Nf5=) 20.Qa4 b5 21.Qc2 Qb6 (21...Qc8 22.Qa2+=) 22.Bb2 Rd8 23.Rc1 (23.a4 b4+=) 23...h6 (23...g6 24.Bf3+=) 24.Nf5 (24.Qc7 Nd5 25.Qb6 Nb6=) 24...Bf8 25.Bd4 (better 25.Qc3 Nc4 26.Nh6 gh6 27.Qf6 Qf6 28.Bf6+=) 25...Qb7?? (better 25...Qe6=) 26.Qc3 (26.Nh6 gh6 27.Bf6 Rd6+–) 26...b4? (better 26...Nc4!? 27.Bf6 gf6 28.Bc4 bc4 29.Qc4 Rd5 30.Qg4 Kh7+–) 27.ab4+– Nd5 28.Qb2 Qb4 29.Bg7 Qb2 30.Bb2 Nb4 31.Nd4 (31.Bf6 Re8+–) 31...Bg7 (31...Rb8 32.g3+–) 32.Ba3 Bd4 (32...Bf8 33.Bb4 Bb4 34.Ba6+–) 33.Bb4 (33.ed4?! Nb3 34.Rc4 Nd4+–) 33...Bb6 34.Ba6 Nb3 35.Rc8 Rc8 36.Bc8 Nc5 (36...Ba5 37.Ba3+–) 37.Kf1 Kg7 38.Ke2 Kf6 (38...h5 39.h3+–) 39.Bc3 Kg6 40.g4 Bd8 (40...f6+–) 41.Bf5 Kg5 42.f4 Kh4 43.Kf3 Kh3 (43...Be7+–) 44.g5 Kh2 45.gh6 Nd3 46.Bd3 Kg1 47.h7 Bh4 48.h8Q f6 49.Qh4 f5 50.Bf5 Kf1 51.Qh1 1–0. Buczinski,Henryk (2200) – Sladkowski,S (2000), DMSl.–Klasa A Poland, 1993.

10.a3 Qd6 11.0-0 Rad8 12.d4 Qg6 (12...Rfe8 13.Nc3=+) 13.Nbd2 (13.Nc3 Bh3 14.Ne1 Be6=) 13...Bc2 (13...a6 14.Rc1=+) 14.Qc1 Rfe8 (14...a6 15.Ne1 Bf5 16.Bf3=+) 15.Re1 (15.Bb5 a6 16.Bc6 Qc6=+ (16...bc6? 17.Ne5 Qf5 18.g4+–)) 15...Bf6 16.Nc4 (16.Ra2 Bf5=+) 16...Be4 (16...a6 17.a4=+) 17.Ncd2 Bf5 18.Nf1 Na5 19.Bd1 (19.N3d2 Re6=) 19...Bd3 (19...Re6 20.Ra2-/+) 20.Ne5 (20.Bc3 Nc4=+) 20...Be5-/+ 21.de5 Nc4 22.Bf3 Ne5 (22...c6!?-/+) 23.Bd5=+ Rd5 24.Be5 Rde5 (worse 24...Ree5 25.Qc7 Re8 26.Qb7+=) 25.Qc7 Be4 (25...R5e7 26.Qg3=+) 26.Ng3= Bc6 (better 26...R5e7 27.Qf4 Bd3=) 27.f4? (better 27.Rad1!?=) 27...Re3 (27...Qc2 28.Re2 Qc3 29.fe5 Qa1 30.Kf2 Qa3 31.Nf5-/+) 28.Re3 Re3 Black gets deadly initiative 29.Qb8 (29.Rd1 h6 30.Rd8 Kh7-+) 29...Re8-+ 30.Qa7 Qc2 (30...h5 31.Qf2-+) 31.Qf2-/+ Qc3 32.Rd1 Qa3 33.Nf5 Qa5 34.Nh4 (34.Nd4 Qh5 35.Re1 Re1 36.Qe1 Qc5-/+) 34…Qh5-+ Threatening mate... how? (34...Qh5 35.Rc1 Rd8-+) 0–1. Sills – Barry, 1974.

10.a3 Qd6 11.Nc3 Nc3 (11...Rfd8 12.0-0=+) 12.Bc3 Qg6 (12...Rfe8 13.0-0=+) 13.h4 (13.0-0 Rfd8=+) 13...Rfe8 (13...Bc2 14.Qc1 Be4 15.h5=) 14.h5 Qh6 (14...Qe6 15.Qa4 Be4 16.h6=) 15.Qb3= Rab8 16.d4 Bf6 (16...Bd6 17.d5 Ne5 18.Ne5 Be5 19.Be5 Re5 20.Bf3=) 17.Bc4 (17.Rd1 Be4=) 17...Re7 18.Bd5 Be4 19.Be4 Re4 20.Rc1 (20.Qc2 Re6=) 20...Rbe8 21.0-0 Nd8 (worse 21...Qh5 22.Qb7 R4e6 23.Bd2+–) 22.Qb5 c6 23.Qf5 R8e6 24.Rfd1 Be7 25.Bb4 (25.d5 cd5 26.Rd5 g6+=) 25...Bb4 (25...Bf6 26.Bd6 g6 27.Bf4 Qh5 28.Qh5 gh5 29.Nd2 Rf4 30.ef4 Bd4 31.Rc4+=) 26.ab4 a6 27.Rc5 Re7 28.d5 Re8 (28...g6 29.Qc8 Qf8 30.d6+– (30.dc6?! Nc6 31.Qf8 Kf8=)) 29.dc6 Nc6 30.Rd7 Qf6 (30...R4e7!? 31.Nd4 Rd7 32.Qd7 Kf8 33.Nc6 bc6 34.Qc6 Qc6 35.Rc6 Re4+–) 31.Qf6+– gf6 32.b5 (worse 32.Rb7 Rb4 33.Rb4 Nb4+–) 32...Ne5 33.Rb7 ab5 34.Nd4 1–0. bambinik (2545) – Sheredder, 2003.

10.a3 Re8 11.0-0=+.

10.a3 Bf6 11.d4 Qe7 12.Nc3 Qe6 13.Nd5 Qd5 14.0-0 Na5 (14...Rfe8!?=) 15.Rc1+= Qa2 16.Bc3 Qa3? (better 16...Nc6 17.d5 Rfd8 18.Bf6 gf6+–) 17.Ba5+– Qa5 (17...b6 18.Bc3+–) 18.Rc5 Qc5 (18...Qa2 19.Rf5 c6 20.Qd3+–) 19.dc5 a5 20.Qa4 Rfe8 (20...Rfc8 21.Rd1+–) 21.Nd4 (21.Qf4 Be4 22.Qc7 a4+–) 21...Be4 22.Bf3 Bd4 (22...Bf3 23.Nf3 b6 24.Rd1+–) 23.Qd4 (23.Be4 Re4 24.ed4 c6+–) 23...Bf3 24.gf3 g6 (24...Red8 25.Qe5 Rd7 26.c6 bc6 27.Ra1+–) 25.Ra1 Reb8 26.Qd7 b6 (26...b5 27.Qc7 Rc8 28.Qb7+–) 27.c6 (better 27.Qc7 bc5 28.Ra5 Rb1 29.Kg2 Ra5 30.Qa5 Rc1+–) 27...Ra7 28.e4 (28.Qe7 a4+–) 28...Kf8 (28...a4 29.Qe7 Rf8 30.Ra3+–) 29.e5 Re8 30.Re1 a4 31.Re4 Re7 (31...g5 32.Qf5 a3+–) 32.Qd8 Re8 33.Qf6 Kg8 34.Rf4 Raa8 35.Qf7 (35.e6 fe6 36.Qf7 Kh8+–) 35...Kh8 36.Rh4 h5 37.Qg6 (37.Qg6 Re5 38.Qf6 Kg8 39.Qe5 Ra5 40.Qf6 Rb5 41.Qg6 Kh8 42.Qh6 Kg8 43.Rf4 Rb1 44.Kg2 Rg1 45.Kg1 b5 46.Rf8) 1–0. Filipek,Jakub – Klykow,Lukasz, Polanica Zdroj Poland, 1996.

10.a3 Bf6 11.d4= Re8 12.0-0 Na5 13.Re1 (13.Bd3 Bd3 14.Qd3 c5=) ½–½. pierre – ir75, chess.com, 2007.

10.a3 Nf6 11.d3 Qd7 12.0-0 Rad8 13.d4 Ne4 14.Nbd2 Bd6 15.Bb5 a6 16.Ba4 b5 17.Bc2 Nd2 18.Qd2 Bc2 19.Qc2 Na5 20.Ng5 g6 21.e4 Nc4 22.e5 Be7 23.Ne4? (better 23.Nf3=+) 23...Nb2-+ 24.Qb2 Qd4 25.Qd4 Rd4 26.Rfe1 Rfd8 27.Rac1 Kf8 (27...Ba3!? 28.Nf6 Kg7 29.Rc7-+) 28.f3 (28.Rc7?? Re4! 29.Kf1 Re1 30.Ke1 Ba3-+) 28...Rc8 29.Rc6 Ba3 30.Ra6 Be7 31.Ra7?? (31.Kf2 b4-/+) 31...c5 (better 31...Re4 32.Re4 Bc5 33.Kf1 Ba7-+) 32.Rb7-/+ b4 33.Nf6 c4 (better 33...Bf6!? 34.ef6 Rd6-/+) 34.Nh7= Kg7 35.Re7 Kh7 36.e6 Rdd8 37.ef7 Kg7 38.Rb7 b3?? (38...Kf8 39.Re4 g5 40.Re5+=) 39.f8Q (39.Re8 Rd1 40.Kf2 Rd2 41.Ke1 Rd1 42.Kd1 Rd8 43.Rd8 Kf6 44.f8Q Kg5 45.Rd5 Kh4 46.Qf4) 39...Kf8= 40.Ree7 c3 41.Rf7 Kg8 42.Rg7 Kh8 43.Rh7 Kg8 44.Rbg7 Kf8 45.Rf7 Kg8 46.Rhg7 Kh8 47.Rh7 Kg8 48.Rhg7 Kh8 49.Rh7 Kg8 ½-½. pacalmisu (2325) - ProfSLM (2435), Rated Blitz game, lichess.org, 2016.

11.Nc3 Bc2 12.Qc1 Bd3 13.a3 Na6 (13...Be2 14.Ne2 Nd3 15.Qc3-/+) 14.Ne1 Nc5 (14...Be2 15.Ne2 Bd6 16.Qc3=) 15.Nd3 Nd3 16.Qc2 Nb2 17.Qb2 Na5 (17...Rb8 18.d4=) 18.Rfc1 c6 (18...c5 19.Ne4 Rc8 20.Qb5+=) 19.d4 Qb6 (19...Re8 20.Bd3+=) 20.Rcb1 (20.Qb6 ab6 21.Rcb1 b5+=) 20...Qb2 21.Rb2 Rad8 22.a4 c5 23.Rd1 cd4 24.ed4 Rc8 25.Nd5+/– Ba3 26.Rb5 b6 27.Nf4 Rfe8 28.Kf1 Bd6= 29.g3 Bf4=+ 30.gf4 Re4 31.Rd5 Rf4 32.Rd7 g6 33.Ra7 Rd8 34.d5 Ra4 35.Bb5 Rh4 36.Kg2 Rg4 37.Kf3 Rb4 38.Be2 Rb3 ½–½. Woschkat,Karl_Heinz – Nebe,Lutz, compuserve, 1996.

11.d4 Nc2 -/+.

12.Qb3 Nb2 13.Qb2= Rb8 14.Rfc1 Bd3 15.Bd3 Qd3 16.Ne1 Qa6 17.a3 Rfd8 18.Ne4 Rbc8 (18...Qe2 19.Rc2=) 19.Nf3 Na5 20.d4 Qe6 21.Nc5 Bc5 22.Rc5 (worse 22.dc5 Nb3-+) 22...b6 23.Rc3 c5 24.Rac1 Nb7 25.a4 Nd6 26.a5 Ne4 27.R3c2 f6 (27...c4 28.Qb5 Nd6 29.Qb4=+) 28.Qb5 Qd7 29.Qc4 Qd5 (29...Qf7 30.Qd3 Nd6 31.dc5 bc5 32.Nd2= (32.Rc5? Rc5 33.Rc5 Nb7 34.Qd8 Nd8-+)) 30.Qa6+/- Rb8 31.h3 Qb7 (worse 31...cd4 32.Nd4 (32.ed4?! Qa5 33.Qa5 ba5=) 32...Rd7 33.Rc8 Rc8 34.Rc8 Kf7 35.ab6 ab6 36.Qb6+/-) 32.Qe2 Qd5 33.Rb2 Rdc8 34.ab6 ab6 35.Qa6 Qb7 (35...c4 36.Rb6 Ra8 37.Qb7 Qb7 38.Rb7+=) 36.Qa2+= Kh8 37.dc5 Rc5 38.Rc5 Nc5 39.Nd4 g6 40.Qc4 Rc8 41.Qb5 Rb8 42.Qc6 (42.Rc2 Kg7+=) 42...Qc6= 43.Nc6 Rb7 44.Kf1 Kg7 ½-½. Mely (2735) - sljegurko (2690), ChessWorld.net, 2011.

12.Qb3 Rb8 13.Nd5 Nb2 14.Ne7 Qe7 15.Qb2 =.

12.Qb3 Nc5 13.Qd1 Bd3=+.

12.Qb3 Be6 13.Qb5 (13.Qb7 Na5 14.Qa6 Nc4=) 13...Ncb4=+ 14.a3 a6 (14...c6 15.Qb7 Rb8 16.Qa7+=) 15.Qb7= Rb8 16.Qe4 Nc5 17.Qd4 Nc6 18.Qd8 Rfd8 19.Bc1 a5 20.Rb1 Rb1 21.Nb1 Nd3 22.Bd3 Rd3 23.Nc3 f6 24.Bb2 (24.Ne1 Rd8=) 24...Ne5 (24...Bg4 25.Rc1=) 25.Ne5= fe5 26.Ne4 Bd5 27.f3 Be4 28.fe4 Rd2 29.Be5 Rc2 ½-½. vanycuba (2400) - stelianploscaru (2485), gameknot.com, 2022.

12.Bd3 Bd3-/+ 13.Re1 Bf6 (13...Re8 14.Rc1-/+) 14.Rc1 (14.Na4 Rb8=+) 14...b5 15.Nb1 (15.Ba1 a6=+) 15...Nb4 (better 15...Bb2!? 16.Rc6 Qd7-/+) 16.Bf6= Qf6 17.Qb3 Qd6 (17...a5!?=+) 18.a3= Na6 19.Nd4 Bc4 20.Qc3 Qg6 21.Qa5 (21.e4 c5 22.Nf5 Kh8+=) 21...Rab8 (21...Qb6 22.Qb6 cb6 23.a4+–) 22.d3!+– Bd3 (22...Qd3 Theme: Deflection from a6 23.Qa6) 23.Rc6 A double attack 23...f6 24.Ra6 (24.Qa6 Bb1 25.Rc7 Be4+–) 24...Bb1 25.Ra7 (25.Nb5 Bd3 26.Nc7 Ba6 27.Qa6 Rb1 28.Qc4 Kh8 29.Rb1 Qb1 30.Qf1 Rb8-+) 25...Ba2 (25...Bd3!?+–) 26.Nc6+– Rbe8 27.Qb5 f5 (27...Qf7 28.Qc5+–) 28.Rc7 (28.Rc1 Qd6 29.Nb4 Bf7+–) 28...Qg4 Black prepares the advance f4 (28...Qd6 29.Qb6 Kh8 30.Qb7+–) 29.Ra1 f4? (29...Be6 30.Rc1+–) 30.f3 (30.h3!? Qh4 31.Ra2 fe3 32.Qd5 Kh8+–) 30...Qe6 31.e4 Qd6 32.Qb7 (32.Qb6!? Qd2 33.Qd4 Qd4 34.Nd4 Rf7+–) 32...Bf7 (32...Rf7 33.Rf7 (33.Ra2? Rc7 34.Qb3 Kf8-+) 33...Bf7 34.a4+–) 33.Kh1 (33.a4 Rb8 34.Qa7 Rb2 35.Ne7 Kh8+–) 33...Re6 (33...Qf6 34.Rc1+–) 34.Ne7 Kh8 35.Nd5 (35.Rb1 Re5 36.Rc8 Re8+–) 35...Bg6 (35...Bg8 36.Rd1+–) 36.a4 (36.Qb4 Qd8+–) 36...Qe5 Threatening mate: Qxa1 37.Re1 (37.Rb1 Rd8+–) 37...Qd4 (37...Rd8 38.Re7+–) 38.Qb3 (38.Qb4 Qb4 39.Nb4 Kg8+–) 38...Be8 (38...Ra6 39.Rd1 Qa4 40.Qa4 Ra4 41.Nf4+–) 39.Rc8 (better 39.Qc3 Qc3 40.Nc3 Rc6 41.Rc6 Bc6+–) 39...Rg6 (39...Rc6 40.Qa3 Rg8 41.Rc6 Bc6 42.Ne7 Ba4 43.Ng8 Kg8 44.Qc1+–) 40.Ne7 (better 40.Qa3 Rg8 41.Ne7+–) 40...Rb6 (40...Rh6 41.Qf7 Qf6 (41...Bf7?? 42.Rf8 Bg8 43.Rg8) 42.Qf6 Rhf6+– (42...Rff6?? 43.Re8 Rf8 44.Rf8)) 41.Qf7! Rf6 (41...Bf7 A pinning theme 42.Rf8 Theme: Double Attack) 42.Qe8! h6 (42...Re8 43.Re8 A classical mating theme) 43.Ng6 (43.Ng6 Kh7 44.Nf8 Rf8 45.Qf8 Qf6 46.Qg8 Kg6 47.Rec1 Qf7 48.R1c6 Qf6 49.Qe8 Kg5 50.Rc5 Qf5 51.Rf5 Kh4 52.Rh5) 1–0. Kleinke,Uwe – Schleglmann,D, corr DDR, 1979.

13.Qb3 A) 13...Rfb8 14.e4 (14.Nd5 Bd6 15.Rfc1 Rd8 16.Nc3 Ne5 17.Ne1 Qa6 18.Qb5 Bd3+=; 14.Ne1 Qd7 15.d4 Rd8 16.Rc1 Rab8 17.d5 Na5 18.Qd1 Nc4+=; 14.Nb5 Rc8 15.Ne5 Ne5 16.Be5 c6 17.Nd4 Qb3 18.ab3 Bd3+=) 14...Be4 15.Ne1 Qd4 16.d3 Bf5 17.Nd5 Qg4 18.Nc7 Be6+=; B) 13...Rab8 14.Nb5 (14.e4 Be4 15.Ne1 Qd4 16.d3 Bf5 17.Nd5 Qg4 18.Nc7 Qe2-/+; 14.Ne1 Qd7 15.d4 Rfd8 16.Nf3 Be6 17.Qc2 Bg4 18.Qe2 Qf5+=) 14...Be4 15.Ne5 Qd2 16.Nc7 Qa5 17.Nd7 Bg2 18.Kg2 Qc7+=; C) 13...Bb4 14.Ne1 (14.Ne5 Ne5 15.Qb4 b6 16.Qf4 Nc4 17.Rab1 Rfd8 18.e4 Bg6-/+; 14.a3 Be6 15.Qa4 Ba5 16.Rfb1 Bb6 17.Qf4 f6 18.Na4 Rf7+=; 14.Nd5 Bd6 15.Rfc1 Rfd8 16.Nc3 Ne5 17.Ne1 Qa6 18.Qb5 Bd3+=) 14...Qd6 15.a3 Be6 16.Qc2 Bc3 17.Bc3 Rab8 18.Nf3 Rfd8=.

13.Re1 Rad8 14.Qa4 (14.e4 Be6 15.Qb1 Rfe8 16.Qd3 Rd3 17.Ne2 Bb4 18.Bc3 Bg4-/+; 14.Qb3 Bg4 15.Nd4 Na5 16.Qb5 Nc4 17.Rac1 Nb2 18.Qb2 c5-/+; 14.Rb1 Bg4 15.h3 Be6 16.e4 Bc5 17.Na4 Bd6 18.Re3 Qa6+=) 14...Bc5 15.Qb5 Bb6 16.Qd3 Rd3 17.Ne2 Rfd8 18.Nf4 R3d7+=.

13.Re1 Rfd8 14.Qb3 (14.e4 Be6 15.Qb1 Nb4 16.Ba3 a5 17.Re3 Qb1 18.Rb1 Bc5-/+; 14.Qa4 Nb4 15.Rab1 Bd6 16.e4 Bd7 17.Qb3 Be6 18.Qa4 a6-/+) 14...Bg4 15.Nd4 Nd4 16.ed4 Bg5 17.Nb5 Qd2 18.Nc7 Rac8+=.

13.Re1 Be6 14.Qa4 (14.Ne2 Bd6 15.Nf4 Bf4 16.ef4 Rad8 17.Re3 Qd5 18.Qb3 Qf3+=; 14.Qe2 Rfd8 15.Qd3 Rd3 16.Ne2 g5 17.Nc1 Rd7 18.d3 g4+=; 14.e4 Rad8 15.Qb1 Bb4 16.Ne2 Bg4 17.Qd3 Rd3 18.Nf4 Rd7-/+) 14...Rfd8 15.Ne2 b5 16.Qf4 Bd5 17.Qg3 Qg6 18.Qg6 hg6=.

13.Ne1 Qa6 (13...Qd7 14.d4 (14.d3 Rfd8 15.d4 Be6 16.Nd3 Bc4 17.Re1 Rab8 18.Ne4 Qd5+=; 14.Rc1 Rad8 15.d4 Be6 16.Nd3 Bc4 17.Re1 Rfe8 18.Qc2 a6+=; 14.a3 Rad8 15.d4 Be6 16.Nd3 Rfe8 17.Ne4 b6 18.Qc2 Bd5+=) 14...Rfd8 15.d5 Ne5 16.e4 Bg6 17.Qb3 Rab8 18.Nb5 Ng4=; 13...Qd6 14.d4 (14.Nb5 Qb4 15.Qb3 Qb3 16.ab3 Rfd8 17.d4 a6 18.Nc7 Rac8-/+; 14.d3 Rad8 15.Qb3 Qb4 16.Qc2 Rfe8 17.Rb1 Qc5 18.Ba1 Nb4+=; 14.Qb3 Be6 15.Ne4 Bb3 16.Nd6 Ba2 17.Nb7 Bd5 18.Na5 Na5+=) 14...Qg6 15.d5 Nb4 16.a3 Na6 17.e4 Bg4 18.Qc2 Nc5=; 13...Qd8 14.d4 (14.d3 Re8 15.Rb1 Qd7 16.a3 a6 17.Qc2 Rac8 18.Qb3 b5+=) 14...Re8 15.e4 Bd7 16.d5 Na5 17.Qd3 Bd6 18.Rb1 Qe7=) 14.d4 (14.Qf3 Bg6 15.d4 Rfe8 16.a4 Qa5 17.Rc1 Rad8 18.d5 Nb4+=; 14.Nd5 Bd6 15.f4 Qb5 16.Qb3 Qb3 17.ab3 Rfd8 18.Kh1 Be6-/+) 14...Bd6 15.Qa4?? (better is 15.d5 A) 15...Na5 16.e4+= (16.Nf3 Nc4 17.Qb3 Bg4 18.Nb5 Nb2+=) 16...Bh2 17.Kh2 Qf1 18.Qc2 Be4=; B) 15...Ne5 16.e4 Bg6 17.Rb1 Rae8 18.Qd4 f5-/+) 15...Bh2!-+ (15...Bh2 16.Kh2 Qf1-+) 0–1. pzn2pawn (1825) – Arj14 (1840), redhotpawn.com, 2015.

13.Ne2 A) 13...Rad8 14.Nf4 (14.Ned4 Nd4 15.Bd4 c5 16.Ne5 Qa6 17.Bc3 f6 18.Nf3 Bd3-/+; 14.Nfd4 Nd4 15.Nd4 Be4 16.Rc1 c5 17.Nb3 c4 18.Qg4 g6+=) 14...Qb5 15.Qb3 Qb3 16.ab3 g5 17.Nh5 f6 18.d4 g4+=; B) 13...Rfd8 14.Nfd4 (14.Nf4 Qb5 15.Qc1 Be4 16.a4 Qa5 17.Nd4 Nd4 18.Bd4 Bd6+=; 14.Ned4 Nd4 15.Bd4 c5 16.Ne5 Qa6 17.Bc3 f6 18.Nf3 Bd3-/+) 14...Nd4 15.Nd4 Be4 16.Rc1 c5 17.Nb3 c4 18.Qg4 Bf8+=; C) 13...Rfe8 14.Be5 (14.Nf4 Qb5 15.Qc1 Be4 16.Nd4 Nd4 17.Bd4 c5 18.a4 Qc6-/+; 14.Ned4 Nd4 15.Nd4 Bg6 16.Rc1 c5 17.Nb3 Rac8 18.Qg4 c4-/+; 14.Nfd4 Nd4 15.Nd4 Bg6 16.Rc1 c5 17.Nb3 b6 18.Qg4 Rad8-/+) 14...Bg4 15.Ned4 Nd4 16.Bd4 Rad8 17.Qb3 Qb3 18.ab3 Bf3-/+) .

9.Bc4 Na5 10.Bb5 -/+.

9.Bc4 Na5 10.Be2 Qd6 11.0-0 Nc6 12.Nc3 a6 13.d4 b6 14.Rc1 Rfe8 15.Nh4 Be6 16.d5 Nd5 17.Nd5 Qd5 18.a3 Bd6 19.Qc2 Qc5 20.Qa4+– Qg5 21.Nf3 (21.Nf3 Qe7 22.Rc6+–) 1–0. Schwertel – Gross, corr SOK–97–120, 1997.

9.Bc4 a6 10.0-0 b5 11.Be2 Bd6 12.a4 b4 13.d3 Qd7 14.Qc2 Rab8 15.Rc1+= White gets the initiative 15...Ne7 16.Nbd2 Ned5 17.e4+/– Nf4 18.Bf1+– b3 19.Nb3 Be6 20.Nbd2 Bb4 21.d4 Bd6 22.Ba6 Rb6 23.Bf1 Rfb8 24.Bc3 Bb3 25.Nb3 Rb3 26.Nd2 Ra3 27.d5 Ra1 28.Ba1 Qg4 29.g3 Ne2 30.Be2 Qe2 31.Qd1 Qd1 32.Rd1 Nd7 33.Bc3 Nc5 34.a5 f6 35.Ra1 Na6 36.Kg2 Kf7 37.Nc4 Ke7 38.Ne3 Kd7 39.Nf5 Rb3 40.Bd4 Rb4 41.Rd1 Bc5 42.Bc5 Nc5 43.f3 g6 44.Nh6 Ra4 45.Ng8 f5 46.e5 Ra5 47.Nf6 Ke7 48.Nh7 Kd8 49.Ng5 Kd7 50.Kh3 Ra8 51.Rd2 Ra5 52.d6 Ra8 53.e6! Ke8 54.d7 Ke7 55.Rc2 Ne6 56.Re2 Kd7 57.Ne6 Rh8 58.Kg2 Rb8 59.Ng5 c5 60.Nf7 Rg8 61.h3 Rg7 62.Rd2 (62.Rd2 Kc7 63.Ne5+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.Bc4 a6 10.Nc3 +=.

9.Bc4 Bd3 10.Qb3 Bc4=+ 11.Qc4 Qd5 12.Qc2 Ne4 13.0-0 Rad8 14.d4 Bd6 15.Nc3 Nb4?? 16.Qe4+– Qe4 17.Ne4 Nd3 18.Bc3 c5 19.Rfd1 c4 20.Nd6 Rd6 21.e4 Rdd8 22.Ne1 Ne1 23.Re1 b5 24.Rab1 Rb8 25.d5 Rb7 26.e5 Ra8 27.Ba5 Rab8 28.a3 Rc8 29.e6 fe6 30.de6 c3 31.Rbc1 c2 32.Re2 Re7 33.Bb4 Ree8 34.e7 a5 35.Ba5 Kf7 36.Bb4 Rc4 37.Rec2 Rec8 38.Rc4 bc4 39.Rc3 Rc7 40.Rf3 (40.Rf3 Kg6 41.e8Q Kh6 42.Bd2 g5 43.Qe6 Kh5 44.Rh3#) 1–0. Fredek (2065) – Bajna, Freundschaftspartie, 5m + 0s, 2006.

9.Bc4 Bd3 10.Qb3 Bc4= 11.Qc4 Qd5 12.Qh4 Be7=+ 13.Nc3 Qd3-/+ 14.Ne2 Nb4 15.Nf4 Qc2 16.Be5 Nc6 17.Bc3 Ne4-+ 18.Qg4 Nc3 19.0-0 f5 20.Qh3 Ne4 21.Rfc1 Qa4 22.d3 Nd6 23.d4 Bf6 24.Ne6 Rfc8 25.g4? Nd8 26.Nc7 Rab8 27.g5 Be7 28.Ne5 Bg5 29.Qg2 Ne4 30.Rc4 Qa5 31.Rac1 b5 32.Rc5 Nc5 33.Qd5 Kh8 34.Rc5 Rc7 35.Qd6 Be7 36.Qc7 Qc7 37.Rc7 Bd6 38.Ra7 Be5 39.de5 Nc6 40.Rf7 g6 41.f4 Ra8 42.Rc7 Nd8 43.Rc5 Rb8 44.Kf2 Kg8 45.Kf3 Ne6 46.Rc6 Kf7 47.h4 h5 48.Ra6 Rb7 49.Rc6 Ke7 50.Ra6 Kd7?? 51.Rd6= Ke7 52.Ra6 Rc7 53.Ra5 Rc3 54.Ra7 Nc7 55.Ke2 Ke6 56.Kd2 Rc6 57.Rb7 Kd5 58.Kd3 Kc5 59.e4? fe4 60.Ke4 Kb4 61.Ra7 Rc4 62.Kd3 Nd5 63.Rg7 Nf4 64.Ke3 Ng2 65.Kd3 Nh4 66.e6 Nf5 (66...Nf5 67.Rg6 Rd4 68.Ke2 Re4 69.Kd3 Re3 70.Kd2 Re5-+; 66...Rc6!? 67.e7 Re6 68.Kc2-+) 0–1. Lopez Gomez,Jose Ramon – Maceiras Moya,Nery, corr FECAP, 1998.

9.Bc4 Bd3 10.Bd3 Qd3 11.Qb3 Qb3=+ 12.ab3 Ne4 13.0-0 (13.Nd4!?=+) 13...Nc5-/+ 14.Nc3 (14.d4 Nb3 15.Ra2 Bd6-/+) 14...a5 15.Na4? (better 15.Ra2!?-/+) 15...Nb3-+ 16.Rad1 Rfd8 17.d4 b5 18.Nc3 Bc3 19.Bc3 a4 0-1. Mely (2690) - rico29 (2695), ChessWorld.net, 2012.

9.Bc4 Bd3 10.Bd3 Qd3 11.Qe2 Qe2 12.Ke2 Nd5 13.Rc1 Rfe8 14.g3 Rad8 15.Nc3 Ba5 16.Nb5 Ndb4 17.d4 a6 18.a4 Bb6 19.Na3 Nd4 20.Nd4 Bd4 21.Bd4 Rd4 22.Rc7 Nd5 23.Rb7 Nc3 24.Kf3 Ra4 25.Rb3 Nb5 26.Nc2 Ra1 27.Na1 Rc8 28.Rd3 Kf8 29.Nb3 Rc3 30.Ke4 Rd3 31.Kd3 Ke7 32.Kc4 Kf6 33.Nc5 Nd6 34.Kd5 Nf5 35.Na6 Kg5 36.h3 h5 37.Nc5 h4 38.Ne4 Kh5 39.g4 Kg6 40.gf5 Kf5 41.Nd6 Kf6 42.f4 Ke7 43.e4 f6 44.Nc4 g5 45.f5 g4 46.Nd2 g3 47.Nf3 g2 48.Ng1 Kd7 49.Kd4 Kd6 50.Ke3 Ke5 51.Kf3 Kd4 52.Kf4 Kd3 0-1. tpape (2060) - NathanT93 (2050), Rated Blitz game, lichess.org.

9.Bc4 Nd5 10.Bc3 (10.0-0 Nb6 11.Be2 Bd3+=) 10...Nc3 (10...Nb6!? 11.Bb5 Bd6-/+) 11.Nc3+= Bc3 12.dc3 Qf6 13.Qb3 (13.Nd4 Ne5 14.Qe2 Bg4+= (14...Nc4?! 15.Qc4 Bg6 16.f3=)) 13...Na5-/+ 14.Qb4 b6 15.0-0-0?? (better is 15.Be2-/+) 15...c5-+ 16.Bf7 Rf7 17.Qb2 Nc4 18.Qb3 b5 19.Rd5 Bh3! 20.Rc5 Bg2 21.Ne5 Qf2 (21...Qf2 22.Rd1 Qe3 23.Kb1 Qc5 24.Nf7 Bf3-+) 0–1. Di Pietro,Rosario (1665) – Casella,Sergio (1805), KW0065 – KW 1st round n., 2009.

9.Bc4 Qd6 10.0-0 Bg4 11.Nc3 (11.a3 Ba5=) 11...Bc3 (11...Bf3 12.Qf3 Qd2 13.Na4=+) 12.Bc3= Ne4 13.Bb2 (better 13.Be2!?=) 13...Bf3-/+ 14.Qf3 Nd2 15.Qg4 Qg6 16.Qg6 hg6 17.Bb3? (better 17.Rfc1 Nc4 18.Rc4=+) 17...Nf1-+ 18.Rf1 (18.Kf1 Rad8-+) 18...Rfd8 19.h3 Rd2 20.Bc3 Re2?? (better 20...Rd3 21.Rc1 Rad8-+) 21.g4?? (21.Rd1 a5 22.Kf1 a4 23.Bf7 Kf7 24.Ke2 Rd8+/-) 21...b6 (21...Rd8!?-/+) 22.Rd1 (better 22.Rc1!? Na5 23.Ba5 ba5 24.Rc7+/-) 22...Na5=+ 23.Bd5 (better 23.Kf1!? Nb3 24.Ke2=+) 23...c6-+ 24.Bf3? (better 24.Ba5!? cd5 25.Bd2-+) 24...Ra2 25.Rd7 b5 26.Ba5 Ra5 27.Bc6 Rc8 28.Bd5 Rf8 29.f4 b4 30.Kf1 Kh7 (30...Rb5 31.Bb3 a5 32.Ra7-+) 31.e4 White prepares f5 (31.Bf7 Rb8 32.Rd3 Ra3-+) 31...Rb5 (better 31...f5 32.gf5 gf5-+) 32.f5? (32.Bc4 Rb6 33.Ra7-+) 32...gf5 (32...b3 33.Ra7 b2 34.Ba2-+) 33.gf5 (33.ef5 b3 34.Be4 a5-+) 33...b3 34.h4 (34.Ra7 b2 35.Ba2 Rc8-+) 34...b2 35.Bc6 0-1. zomboeb (1720) - cfbreen (1780), lichess.org, 2021.

9.Bc4 Bd6 10.0-0 Nb4 11.Nc3 Bc2 12.Qc1=+.

9.Bc4 Bd6 10.0-0 Nb4 11.Nc3 Nd3 12.Qb3 c6 13.Bd3 Bd3 14.Rfc1 Re8 15.Nd5 Nd5 16.Qd3= Re6 17.g3 Qd7 18.e4 Nb4 19.Qd4 f6 20.a3 Na6 21.Qc4 Kh8 22.Rab1 Rd8 23.Re1 Nc5 24.Qc2 b5 25.Nd4 Ree8 26.Nf5 Na4 27.Nd6 Qd6=+ 28.Bc3 a6 29.Ba5 Rc8 30.d3 c5 31.Qb3 Re7 32.Rbc1 Rce8 33.Re3 f5 34.Rce1 fe4 35.Re4 Re4 36.Re4 Re4 37.de4 c4 38.Qf3 h6 39.Kf1 Qe6 40.Bb4 c3 41.Ke1 Qc8 42.Qf5 Qd8 43.Qd5 Qc7 44.Kd1 a5 45.Bd6= Qb6 ½–½. Skerlik,Stanislav – Van Tricht,Marcel, ICCF Jubilee Officials/IM–A, 2001.

9.Bc4 Bd6 10.Na3 a6 11.0-0 b5 Black gets strong initiative 12.Be2 Nb4 13.Nd4 Bg6 14.Nac2 Nd3 15.Bd3 Bd3 16.Re1 Ne4 17.f3 Qh4-+ 18.f4 Qf2 19.Kh1 Rfe8 20.Ne2?? Re6 21.Ncd4 Rg6 22.Rg1 Qg3!? (22...Qg3 23.Qe1 Qh2 24.Kh2 Rh6 25.Qh4 Rh4#) 0–1. Reussner – Woelfelschneider,Peter, SEV, 2001.

9.Bc4 Bd6 10.d4 Nb4 11.Bb3?? (better is 11.Na3-/+) 11...Nd3-+ 12.Ke2 Nb2 13.Qd2 Nd3 14.Nh4 (14.Bc4 Nf2! 15.Qa5 b5-+) 14...Bb4 15.Qd1 Nf2! 16.Kf2 Ng4 17.Kf1 Ne3 18.Ke2 Qh4 19.Ke3 Rae8 20.Kf3 Bg4 (20...Bg4 21.Kf4 Bd6#) 0–1. Neumann,Frank (1650) – Spieler,Schach (2260), RSM2008 remoteschach.de, 2008.

9.Bc4 Nd7 10.0-0 Nb6 11.Bb5 Bd3 12.Bd3= Qd3 13.Ne5 Ne5 14.Be5 c5 15.a3 Ba5 16.Bc7 Nc4 17.Ba5 Na5 18.Ra2 b6 19.Rc2 Rad8 20.Rc3 Qg6 21.d4 Rfe8 22.Qa4 cd4 23.ed4 Qd6 24.Re3 Re3 25.fe3 Qe6 26.Rf3 Nc4 27.Kf2 Rc8 28.Qa7 h6 29.a4 Nd6 30.Nd2 Qa2 31.Kg3 Qd2 32.Qe7 Rc2 33.Qd8 Kh7 34.Qd6 Qg2 35.Kf4 Qh2 36.Rg3 Qh4 37.Kf3 Qh1 38.Kg4 Qe4 39.Kh3 g5 (39...g5 40.Qg6 fg6 41.Rg4 Qf3 42.Rg3 Qh5) 0–1. Registration (2395) – ajop (2855), ICC, 2003.

9.Bc4 Be6 10.Be2 Re8 11.0-0 Qd7 (better 11...Qe7!?=+) 12.Bf6+= gf6 13.d4 Rad8 14.a3 Bf8 15.Nc3 f5 16.Qa4 a6 (16...f4 17.Rad1 Bg4 18.d5 Bf3 19.Bf3+/-) 17.Rab1 Qc8 (17...b6 18.Ba6 Ra8 19.Rfd1+/-) 18.Rfd1 (18.Ba6 ba6 19.Qc6 f4+-) 18...b5 (18...Ne7 19.Qc2+/-) 19.Qc2 (19.Nb5!? ab5 20.Bb5+/- (20.Rb5?! Ne7=; worse 20.Qb5 Qd7=+)) 19...Ba3? (better 19...Na5!?+/-) 20.d5+- 1-0. Mely (2810) - TomJobe (2285), ChessWorld.net, 2012.

9.Bc4 Be6 10.Be6 fe6 11.0-0 a6 (11...Qd3 12.Ne5 Ne5 13.Be5=+) 12.a3 Be7 13.d4 Qd7 14.Nbd2 h6 15.Qc2 Rad8 (15...Nd5 16.Rac1=) 16.Rac1 Rfe8 (16...Nd5 17.Nc4=) 17.Rfd1 Bf8 (17...Nd5!?+=) 18.Nc4+/- Qd5 19.Nce5 Rd6 20.Qb1 (20.Nd2 Qb5+/-) 20...Qe4 21.Qe4 Ne4 22.Nc6 Rc6 23.Rc6 bc6 24.Rc1 c5 25.dc5 Nc5 26.Bd4 Nb3 (26...Rd8!?=) 27.Rc7+= Nd4 28.Nd4 Ba3 29.Kf1 Bb2 (29...e5 30.Nf5 Bf8 31.Ke2=) 30.Nc6 (30.Ra7 Bd4 31.ed4 Rd8 32.Ra6 Rd4 33.Re6 Kf7+/-) 30...Kh7? (better 30...Ra8!?=) 31.Ra7+/- Kg6 32.Ra6 Kf6 33.Nd4 (33.f4 g5+/-) 33...Bd4 34.ed4 Rd8 35.Ra4 e5 36.de5 Ke5 37.Ke2 Rb8 38.Ra3 Kf5 39.Ke3 Re8 40.Kf3 Kf6 41.Ra6 Kf7 42.Kg3 Re4 43.f4 Re2 44.Kf3 Rb2 45.h4 g6 46.h5! Rb3 (46...gh5 47.Rh6 Pinning (47.Rh6 Deflection; 47.Ra7 Decoy)) 47.Kg4+- gh5 48.Kh5 Rg3 49.Ra2 Kg7 50.Kh4 Rb3 51.g4 Rb1 52.Ra3 Rh1 53.Kg3 Rg1 54.Kf3 Rf1 55.Ke4 Rb1 56.Ra5 Rb4 57.Kf5 Rb7 58.Ke5 Re7 59.Kd6 (59.Kd5!?+-) 59...Re4+/- 60.Rf5 ½-½. Mely (2635) - TomJobe (2320), ChessWorld.net, 2011.

9.Bc4 Be6 10.Be6= fe6 11.Qb3 Qd5 12.Qd5 ed5 13.a3 Be7 14.Nc3 a6 15.Ne2 Bd6 16.d3 Nd7 17.Rb1 b5 18.Kd2 Rae8 19.Rhc1 Nce5 Black fights for the Initiative 20.Ne5 Ne5 21.f3 c5 22.a4 Nf3 23.gf3 Rf3 24.Rg1 g6 25.ab5 ab5 26.d4 Ree3 27.dc5 Bc5 28.Rg2 Re4 29.Rd1 Rc4 30.Nc1 Bb4 31.Ke2 Rf5 32.Ke3 Be7 33.Kd3 Bd6 34.Re1 Rf3 35.Ke2 Rh3 36.Kd1 Re4 37.Re4 de4 38.Rg5 b4 39.Be5 Be5 40.Re5 b3 41.Rb5 Rh2 42.Rb3 Kf7 ½–½. Skerlik,Stanislav – Marth,Stefan, EM/MN/057 ICCF Email, 2002.

9.Bc4 Be6 10.Be6 fe6 11.Qe2 Ne4 12.0-0 Ng5 13.Ng5 Qg5 14.f4 Qh4 15.Rf3 Rad8 16.Nc3 Qf6 17.Rg3 e5 18.Rc1 ef4=+ 19.Rg4 Qe6-/+ 20.Nd5 Rf7-+ 21.Nf4 Rf4! 22.Rg7 Kf8 23.Qh5 Rd2 24.Qh7 Qe3 25.Kh1 Ke8 26.Qg6 Kd8 27.Bf6 Kc8 28.Rg8 Nd8 29.Bg5 Qe2 30.Rg1 Rf1 (30...Rf1 31.Be3 Rg1 (31...Qe3?! 32.Qg4 Rf5 33.Qf5 Kb8 34.Qf3-+) 32.Bg1 Rd1 33.Qf5 Kb8-+) 0–1. Martinez – Flores Escuin,Sadurni, corr ESP–ch sf, 1986.

9.Bc4 Ng4 10.0-0 Qd6 11.Nc3 Qh6 12.Be2 a6 13.h3 Nf6 14.Qb3 (14.a3 Bd6=) 14...Bd6 (14...Rfe8 15.d4=) 15.Ba3 (15.Qb7? Na5 16.Qa6 Ra6 17.Ba6 Rb8-+) 15...b5 16.Bd6 cd6 17.Nd5 Be6 18.Nf6 Qf6 19.Qc3 Qc3 (19...Ne5 20.d4 Nf3 21.Bf3=) 20.dc3= Rfc8 21.a4 ba4 22.Ra4 a5 23.Bb5 Ne5 24.Ne5 de5 25.c4 Kf8 26.Rfa1 Rc5 27.f3 h5 28.f4 ½–½. Stapinski,Ryszard (2035) – Dymek,Wladyslaw (1865), 33. Championship Warsaw – Semifinal Poland, 2008.

9.Bc4 g6 10.0-0 a6 11.d4 b5 12.Bd3 White fights for the Initiative 12...Qd5 13.a3 Bd3 14.Qd3 Bd6 15.Nc3 Qb3 16.Rab1 Rab8 17.e4 Rfd8 18.Rfd1 Nh5 19.e5+– Be7 20.d5 Nf4 21.Qe3 b4 22.ab4 Rb4 23.dc6 Rd1 24.Nd1 Qc2 25.Ra1 Qc6 26.h3 Qc4 27.Qa7 Rb6 28.Kh2 Qf1 29.Ne3 Qb5 30.Bd4 Rb7 31.Qa8 Rb8 32.Qe4 Ne6 33.Nd5 Bd8 34.Be3 a5 35.Nc3 Qa6 36.Nd4 Nd4 37.Bd4 Bg5 38.Be3 Be3 39.Qe3 Rb2 40.Qd4 Rc2 41.Ne4 Qe6 42.Nf6 Kg7 43.Ra5 Re2 44.Qd8 Re5 45.Ra8 Re2 46.Qh8 Kh6 47.Ng8 Kg5 48.Ra5 f5 49.h4! Kf4 50.Qd4 Re4 51.Qd2 Re3 52.fe3 Kg4 53.Ra4 Qe4 54.Qd8 (54.Qd8 h6 55.Nh6 Kh5 56.Qg5#) 1–0. b4_player – opponent, gamecolony.com, 2007.

9.0-0 Rad8 10.d4 dc4 11.Bc4 Ne4 12.a3 Bd6 13.Nbd2 Na5 14.Be2 c5 15.Nc4 (15.Qa4!? Nd2 16.Nd2=) 15...Nc4+= 16.Bc4 Bg4 (16...a6 17.a4+=) 17.Be2 (17.Qc2 cd4 18.Nd4 Rc8=) 17...Kh8 (17...a6 18.h3 Be6 19.Qc2+=) 18.a4 f5 19.g3 (19.h3 Bh5+=) 19...Bh3-/+ 20.Re1 cd4 21.Nd4 Bb4 22.Qb3 Be1 23.Re1 f4 24.Ba3?? (24.ef4 Nc5 Combination; 24.gf4 Qh4 Combination) 24...fg3-+ 25.fg3 (25.Be7?? gf2 26.Kh1 fe1Q 27.Bf1 Rf1) 25...Qf6 26.Nf3 Nd2 27.Qb7 Nf3 28.Qf3 Qf3 29.Bf3 Rf3 30.Bc5 (30.Rb1 Rc8 31.Bd6 Re3-+) 30...h5 (30...Rd5 31.Rb1 Rc5 32.Rb8 Rc8 33.Rc8 Bc8-+) 31.e4 Re8 32.Bf2 (32.Kh1 a6 33.e5 Kg8-+) 32...Ref8 33.Re2 Ra3 34.e5 Ra1 (34...Ra1 35.Re1 Re1 36.Be1 Rf1#) 0–1. Schwichtenberg,J (1910) – Maurer,F (2095), 7th ch–Euro Senior, Hockenheim GER, 2007.

9.0-0 Rad8 10.d4 dc4 11.Bc4 Ne4 12.Nbd2 Nd2 13.Nd2 Rfe8 14.Nf3 Bg4 15.Be2 Bd6 16.Nd2 (16.d5 Nb4=) 16...Be2 (16...Qh4 17.g3 Be2 18.Qe2=+) 17.Qe2 Nb4 18.Nb3 (18.Nc4 Qe4=) 18...Nd5 19.Qc4 c6 20.Rfe1 Qh4 21.h3 Re6 22.Nd2 (22.Qc2!?-/+) 22...Rg6-+ 23.Kf1 Qg5 24.g3 (24.g4 Qh6 25.Kg2-+) 24...Bg3! 25.Ne4 (25.fg3 Ne3 Double attack) 25...Qf5 26.Ng3 Qh3?? (better 26...Rg3 27.Ke2 Rg2-+) 27.Ke2= Qg2 (better 27...Rg3 28.fg3 Qg2 29.Kd3 Qb2-/+) 28.Kd1?? (better 28.Nh1+=) 28...Qf2-+ 29.Nf1 (29.Re2 Rg3 30.Kd2 Ne3-+) 29...Qb2 30.Rc1 Qb6 (better 30...Rg2 31.Qd3 Nb4 32.Qc3-+) 31.Rc2 (31.Nd2 Qa5-+) 31...Re8 (better 31...c5 32.Kc1 Rc6 33.dc5-+) 32.Rce2 (32.e4 Rg4 33.Nd2 Rg1-+) 32...Rge6 (32...Qb1!? 33.Kd2 Qb2 34.Qc2 Qb4 35.Kc1-+) 33.Qd3 (33.Kc1 Qa5-+) 33...Nf6 (33...Qa5!? 34.Rh2 Nc3 35.Kc2 Qa2 36.Kc3 Qa5 37.Kc2 Qe1 38.Qh7 Kf8 39.Qf5-+) 34.Nd2 (34.Ng3 Qa5 35.e4 Rd8-+) 34...Qb2 (better 34...Qa5 35.Nb3 Qh5 36.Kc2-+) 35.e4 (35.Nb3 Qa3 36.e4-+) 35...Qa1 (worse 35...Qa2 36.Nb3 Qa4 37.e5-+) 36.Qb1 (36.Kc2 Qa2 37.Kc1 Qa1 38.Kc2 Qa4 39.Kc1 a5-+) 36...Qb1 37.Nb1 Ne4 0-1. tpape (2150) - Philly_Door (2160), Rated Blitz game, lichess.org, 2016.

9.0-0 Rad8 10.d4 Ne4 11.a3 Ba5 12.cd5 Rd5 13.Bc4 Rd6= 14.d5 Nb8 15.Qd4+/– Rg6 16.Qe5 Qe5+= 17.Ne5 Rd6 18.f3 Nc5 19.e4 Bc8 20.Nc3 Rb6 21.Nd1 Nb3 22.Bb3+/– Rb3 23.Nc4 Bb6 24.Nb6 ab6 25.Be5 Na6 26.Rc1 b5 27.Rc3 Rc3+/– 28.Nc3 c6 29.d6 Bd7 30.Bg3 Ra8 31.Nb1 b4= 32.ab4 Nb4 33.Nd2 b5 34.Nb3 Kf8 35.Nc5 Ke8 36.e5 Nc2 37.f4 g6 38.Ne4+= h6 39.Bh4 Be6 40.Be7 Kd7 41.Rf3 b4 42.g4 Nd4 43.Rd3 Ra1 44.Kf2 Ra2= 45.Ke3 Nc2 46.Kd2 Kc8 47.Nc5+= Bg4 48.d7 Bd7+= 49.Rd7 Nd4 50.Kd3 Ne6-/+ 51.Rd4 Nd4 52.Kd4 Rh2 53.Kc4 h5 54.Kb4 h4-+ 55.Ne4 h3 56.Bh4 Rb2 57.Kc3 h2 58.Kb2 h1Q 59.Nd6 Kd7 60.Bg5 Ke6 61.Kc3 Qa1 62.Kc4 Qa2 63.Kc5 Qd5 64.Kb6 c5 65.Kb5 Kd7 66.Nf7 Qf7 67.Kc5 Qe6 68.Kd4 Qc6 69.Ke3 Ke6 70.Kf2 Qc3 (70...Qc3 71.Ke2 Kf5 72.Kd1 Ke4 73.f5 Kd3 74.fg6 Qc2 75.Ke1 Qe2#) 0–1. Ulaneo,R – Bustelo,T, Uruguay, 1990.

9.cd5 Nd5 10.0-0 Rad8 11.a3 Bd6 12.Nc3 Nc3 13.Bc3 Qe6 14.d3 Qg6 15.Rb1 b6 (16.Qa4 Bd7=; < 15...Ba3 A) 16.Rb7?! Bd3 17.Bd3 Rd3=+ (< 17...Qd3 18.Qa1 Bd6 19.Bg7+=); B) 16.Nh4 Qe6 17.Nf5 Qf5 18.Rb7+/–). Woschkat,Karl_Heinz – Taulien,Hans_Juergen, remoteschach.de, 2003.

8.a3 Bc5 9.d4 Bb6 10.c5 Ba5 11.Nc3 Re8 12.Be2 Ne4 13.Rc1 b6 14.0-0 Rb8 15.Ba1 bc5 16.Ne4 de4 17.Nd2 Be2 18.Qe2 cd4 (better is 18...Bd2!? 19.Qd2 Ne5 20.Rc5 Rb7=) 19.Rc6+/– de3 (19...Qd7 20.Rc4 d3 21.Qd1+/–) 20.Nc4 (better is 20.Qg4 g6 21.Ne4 ef2 A) 22.Rf2? Rb1 23.Rf1 Rf1 24.Kf1 Qd3 25.Kf2 Be1 26.Kg1 Qe3 (26...Qe4?! 27.Qe4 Re4 28.Rc7=) 27.Kh1 Bc3-+ (27...Qe4?! 28.Qe4 Re4 29.Rc7+=); B) 22.Nf2?! Re1 23.Rc1 Rc1 24.Rc1 Bb6+–; C) 22.Kf2 Bb6 23.Kg3 Qd3 24.Qf3 Qf3 25.Kf3+–) 20...ef2?? (better is 20...Qd3 21.Qd3 ed3 22.fe3 Bb6 23.Nb6 cb6+–) 21.Qf2+– (21.Kf2?! Bb6 22.Nb6 Rb6+= (22...ab6 23.Qg4 Qd2 24.Kg1+–); 21.Rf2 Rb1 22.Rf1 Ra1 23.Na5 Qd4 24.Kh1 Qd2-+ (24...Ra3?! 25.Nc4 Ra1 26.Rc7=)) 21...f6 22.Na5 e3 23.Qg3 Qd5 (23...e2 24.Re1 Rb1+–) 24.Rc7 g6 (24...g5 25.Bf6 e2 26.Re1+–) 25.Bf6 (25.Qh4 Re7 26.Qf6 Qf5 27.Qh8 Kf7 28.Qh7 Ke6 29.Qe7 Kd5 30.Rc5) 25...e2 26.Re1 Rb6 27.Bc3 Rbe6 (27...Qe4 28.Rg7 Kf8 29.Nc4+–) 28.Rg7 Kf8 29.Qf4 Qf5 30.Qb4 R8e7 31.Nc6 1–0. onny555 (1800) – donaldduck (1780), gameknot.com, 2013.

8.Qb3 dc4 9.Bc4 Ne4 10.Bd5 Nc5 11.Qc4 Be6 12.Be6 Nd3 13.Ke2 Nb2 14.Qb3 Qf6 (14...fe6 15.Qb2 Rb8 16.d4=+) 15.d4 (15.Bd7 Rfb8 16.d4+–) 15...Qe6-/+ 16.Qb2 Qc4 (16...Rfb8 17.a3 Qc4 18.Kd1=+) 17.Kd1=+ Qd3 18.Nbd2 Bc3 (19.Qa3 Nb4-/+) 0–1. Sternik,Ryszard – Seack,Ingo, corr 3GMM–13, 1995.

8.Qb3 Bf3 9.gf3=+ a5 10.Rg1 dc4 11.Bc4 a4 12.Qc2 Qd6 13.Qf5= Ne8 14.Qg5 Ra5 15.Qg2 g6 16.a3 Rc5 17.Qf1 Ne5=+ 18.Be5 Qe5 19.ab4 Qb2?? 20.bc5+– Qa1 21.Ke2 Nf6 22.d4 Re8 23.Qd1 b5 24.cb6 Qb2 25.Nd2 (25.Nd2 Qd4 26.Bb5+–) 1–0. Rosenhahn,Eberhard – Dopper,Johan, corr tt, 1990.

8.Qc2 Re8 9.Be2 dc4 10.Qc4 Qd6 (10...Be6 11.Qd3 Bd6 12.Nc3-/+) 11.0-0 Ne5?? (better 11...Rad8=+) 12.Ne5+- Be2 13.Qe2 Re5 14.Be5 Qe5 15.d4 Qg5 (15...Qe7 16.Rc1+-) 16.Nd2 (16.Qb2!? a5+-) 16...Bd2 17.Qd2 Ne4 18.Qe2 Rd8 19.Rac1 c6 20.f3 Nf6 21.Rc5 Qh6? (better 21...Nd5+-) 22.Rb1 Nd5 (22...Nd7 23.Ra5 b5+-) 23.e4 (better 23.Rb7 a6 24.e4+-) 23...Nf4+/- 24.Qf1 b6 25.Rf5 (better 25.Rc4!?+/-) 25...Rd4= 26.Qa6 (26.Re5 Ne6=) 26...g6 27.Qc8 (27.Rf4!? Qf4 28.Qa7=+) 27...Kg7=+ 28.Re5?? (better 28.Rf4 Qf4 29.Qc6 Qe3 30.Kh1=+) 28...Rd2 (better 28...Nd3 29.Kh1 Rc4-+) 29.Qh3 (29.Qg4 Rg2 30.Qg2 Ng2 31.Kg2 Qd2 32.Kh1-+) 29...Nh3 30.Kf1 (30.gh3 Qe3 31.Kh1 Qf3 32.Kg1 Qg2) 30...Rf2 31.Ke1 Qe3 (31...Qd2) 32.Kd1 Qd2 0-1. AhmedSultanov (1875) - IMDetermineD (1840), lichess.org, 2019.

8.Qc2 Bf3 9.gf3 a5 10.Rg1 d4 11.Bd3 (11.Qf5 a4 12.a3 Ra5=+) 11...Ne5 12.Be4 Ne4 13.Qe4 Qf6 (13...Re8 14.f4 (14.Bd4?? Nf3 15.Qf3 Qd4-+) 14...Nc6 15.Qd5=+) 14.f4 (better 14.Bd4 Rae8 15.Kd1+=) 14...Nc4?? (better 14...Nc6=+) 15.Bd4+- Qd4 (15...Nd6 16.Qf3 Qd4 17.ed4 a4+-) 16.Qd4 (16.Qd4 g6 17.Qc4+-; 16.ed4?! Rfe8 17.f3 f5=+) 1-0. FERNANDO_2013 (1775) - messaoud (1665), Rated Blitz game, lichess.org, 2017.

8.Nc3 Ne5?? 9.Be2 (better 9.Nd5 Nd5 10.Be5=) 9...Bf3-/+ 10.Bf3?? (better 10.gf3 dc4 11.Na4-/+) 10...Nd3-+ 11.Ke2 Nb2 12.Qb3 Bc3 13.dc3 (13.cd5 Qd6 14.Qc3-+) 13...Nc4 14.Rhd1 c6 0-1. AhmedSultanov (1725) - slimvaldi (1835), lichess.org, 2019.

8.Nc3 Re8 9.cd5 Nd5 10.Nd5 Qd5 11.Be2 Rad8 12.Bc3 Bc3 13.dc3 Qd1 14.Rd1= Rd1 15.Kd1 Rd8 16.Kc2 Bf5 17.Kb2 Be4 18.Rd1 Rd1 19.Bd1 Kf8 20.g3 Ke7 21.Nd4 Nd4 22.cd4 Kd6 23.f3 Bd3 24.Kc3+= Ba6 25.e4 b6 26.Bb3 f6 27.f4+/– Be2 28.Bg8 h6 29.e5 fe5 30.fe5 Ke7 31.d5 Bf3 32.Kd4 Bg2 33.h4 Bf3 34.Bh7 Bd1 35.Bf5 Ba4 36.g4 Bd1 37.g5 hg5 38.hg5 Bh5 39.Bc2 Be2 40.a4 Bf1 41.Ke3 Ba6 42.Kf4 Bc4 43.Ke4 Be2 44.Bb3 Ba6 45.Kd4 Be2 46.Bc4+– Bd1 47.Bb5 Bf3 48.Bc6 Bd1 49.Ke3 Bg4 50.Kf4 Bd1 51.Ke3 Bg4 52.Kd4 Bd1 53.Kc3 Bg4 54.Kb4 Bd1 55.a5 Be2 56.ab6 ab6 57.Bb5 Bf3 58.Bc4 Bd1 59.Kb5 Bf3 60.Kc6 Kd8 61.Kb7 Bg4 62.d6 Bc8 63.Ka7 1–0. Fredek (2090) – Freejazz, Freundschaftspartie, 5m + 0s, 2005.

8.cd5 Bf3 9.Qf3 Qd5 10.Be2 Qe6 (10...Ne4 11.0-0 Ne5 12.Be5 Qe5 13.d4=) 11.0-0 (11.Bf6 gf6 12.0-0 Bd6+/-) 11...Rfd8 (11...Be7 12.Rc1+=) 12.Bf6+/- Qf6 13.Qf6 gf6 14.d4 a6 15.a3 Bf8 16.Nc3 b5? (better 16...Na5+/-) 17.Bf3+- b4?! (17...Na5 18.Ba8 Ra8+-) 18.Bc6 Rab8 (18...bc3 19.Ba8 Ra8+-) 19.ab4 Bb4 20.Ne4 a5 (20...Rb6 21.Nf6 Kg7 22.Nd5 Rc6 23.Nb4+-) 21.Nf6 Kg7 22.Nd7 Bc3 23.Nb8 (23.Ra3!? Bb4 24.Ra4 Rb6 25.Nb6 cb6+-) 23...Ba1 24.Ra1 Rb8 25.g3 (25.Be4 Rb5 26.Bd3 Rb3+-) 25...Rb6 26.d5 Ra6 27.e4 Kf6 28.f4 h5 29.Bd7 White plans f5 29...Ke7 30.Bb5 Ra7 31.e5 Ra8 32.f5 Ra7 (32...f6 33.Bc6 Rg8+-) 33.f6 Kd8 34.h3 (better 34.e6 c6 35.Ra5 Ra5 36.ef7 Kc7+-) 34...c5 (34...c6 35.Bc6 Kc7 36.Re1+-) 35.dc6 (better 35.e6 c4+-) 35...Kc7 36.Kf2 (better 36.Rd1 Kb6 37.Rd7 Ra8 38.Rb7 Kc5+-) 36...Kb6 37.Ba4 1-0. Zorgg (2165) - kianas (1860), ChessWorld.net, 2007.

8.Be2 a5 9.a3 Bc5 (9...Bd6 10.cd5 Nd5 11.Nc3 Nc3 12.Bc3=) 10.d4= Be7 11.0-0 dc4 12.Bc4 Re8 (12...Be6 13.Bd3=) 13.Nbd2 (13.Qb3 Bf3 14.gf3 Rf8+=) 13...Bf8 (13...Be6!?=) 14.Qb3+/- Be6 15.Ng5 (15.Qb7 Bc4 16.Nc4+/- (worse 16.Qc6 Bf1 17.Rf1 Rb8=+)) 15...Bc4= 16.Qc4 Qd5 (better 16...Qd7=) 17.Qc3?? (better 17.Nge4! Qf5 18.Nf6 Qf6 19.Rab1+=) 17...Qg5-+ 18.Nf3 Qh6 (18...Qd5 19.Qc2-+) 19.Rab1 Bd6 20.h3 (20.Qb3 Rab8-+) 20...Ne4 (20...Qh5 21.Qd3-+) 21.Qc2 Ng5 22.Ng5 Qg5 23.Bc1 Rab8 24.Rd1 Qh4 (24...Qh5 25.d5 Ne7 26.Qd3-+) 25.Rf1 (25.Bb2 Qh6-+) 25...Nd8 (25...Qh5 26.Rd1-+) 26.Rb5 b6 27.Rf5 Ne6 28.d5 (28.Bb2 c5 29.dc5 Bc5-+) 28...Ng5 (better 28...g6 29.de6 gf5 30.ef7 Kf7 31.Qf5 Kg8 32.Qd5 Kf8 33.Qf5 Kg7 34.Bb2 Kg8 35.Qd5 Kf8 36.Qf5 Ke7 37.Be5-+) 29.e4 (29.Bb2 Ne4-+) 29...Ne4 (29...Qe4 30.Qe4 Ne4 31.Rf3-+) 30.Be3 g6 31.Rf3 Ng5 32.Bg5 Qg5 33.Qd3 Re5 34.Rg3 (34.Rf7 Rd5 35.Qf3-+) 34...Rd5 35.Rg5 Rd3 (35...Rg5?! 36.g3-/+) 36.Re1 (36.Rb5 Ba3 37.Rfb1 Rbd8-+) 36...Ra3 37.Re4 (37.Rb5 a4-+) 37...Ra2 (37...Ra1 38.Re1 Re1) 38.g3 (38.g4 b5 39.Rd4 b4-+) 38...Bc5 (better 38...f5!? 39.Rf4 Bf4 40.gf4-+) 39.Rf4 (39.g4 f5 40.Rf4 Be7 41.Rff5 c5-+) 39...Re8 40.Rd5 (40.Rc5 bc5 41.Rc4 Re1 42.Kg2 Ree2-+) 40...Ree2 41.Rd8 (41.Rc5 bc5 42.Rc4 Rf2 43.Rc5 Rg2 44.Kh1 Rg3-+) 41...Kg7 42.Rd7 (42.Kg2-+) 42...Re8 (42...Bf2 43.Rf2 Rf2 44.Rc7 Rg2 45.Kh1 Rg3-+) 43.Rff7 Kg8 (better 43...Kh6 44.h4 Kh5-+) 44.Rg7= Kf8?? (better 44...Kh8 45.Rh7 Kg8 46.Rhg7 Kh8 47.Rh7 Kg8 48.Rhg7 Kh8 49.Rh7=) 45.Rdf7 1-0. AhmedSultanov (1680) - Paveljar (1935), lichess.org, 2019.

8.Be2 Qd7 9.Bf6+= gf6 10.a3 Ba5 11.Qb3 dc4 12.Qb7 Rab8 13.Qa6 Rb2?? (13...Bf3 14.gf3 Rb1 15.Rb1 Bd2 16.Kf1 Qh3 17.Kg1 Kh8 18.Qc4 f5-+) 14.0-0+= Bd2? (better is 14...Rfb8 15.Qc4 Bf3 16.Bf3 Ne5+/–) 15.Nbd2+– (< 15.Nfd2 Be2 16.Rc1 Rd8=+) 15...Rd2 16.Nd2 Be2 17.Rfc1 Qd2 18.Qc6 Rb8 (18...Qd6 19.Qa4+–) 19.Qc7 Rb2 20.Qa7 Bd3 21.Qa8 Kg7 22.Qf3 c3 23.h3 c2 24.Qg4 Kf8 25.Qd4 Qe2 (25...Qc1 26.Rc1 Rb1 27.Qd8 Kg7 28.Qd3 Rc1 29.Kh2 Rh1 30.Kh1 c1Q 31.Kh2 Qc7 32.g3 Qc6+–) 26.Qb2 1–0. Bonetti,Shane – grt, ICC, 2002.

8.h3 Bf5 9.a3+= Ba5 10.cd5 Nd5 11.Bc4 Re8 (11...Qd6 12.0-0+=) 12.Qb3= Nce7 (12...Be4 13.Be2+=) 13.Nc3 Bc3 (13...c6 14.Nd4 (14.Qb7?? Rb8 15.Qa7 Rb2-+) 14...Bg6 15.0-0= (15.Qb7 Rb8 16.Qa7 Rb2-+)) 14.Bc3+= b6 (14...Rb8 15.a4+=) 15.Be5 (15.0-0+=) 15...Rf8? (15...Be4 16.Be2=) 16.Bb5 (better is 16.d3 Nf6 17.e4+/–) 16...c6 (16...Be4 17.Be2+=) 17.Bc6 1–0. Dziel,Jaromir – Berginas,Sigitas (1805), Radviliskis, 2009.

9.Qc2 Bf3 10.gf3 Re8 11.cd5 Qd5 12.Be2 Qg5 (12...Ne5 13.e4 Qe6 14.Qa4=+) 13.Kf1 (13.h4 Qg2 14.Rf1 Nd7=+) 13...a6 (13...Rad8 14.Rg1 Qh4 15.d3=+) 14.Rg1 Qh4 15.Rg2 Re6 (15...Rab8 16.Kg1=) 16.Nc3 Rae8 17.Ne4 Ne4 (17...Qe4 18.fe4) 18.Rg7 Kf8 The mate threat is Qxf2 19.fe4 Qh2 20.Qc5 R8e7 21.Bc4 Rd6 22.d3 Qh3 (22...b5 23.Qf5 bc4 24.Rh7 Qh7 25.Qh7+–) 23.Kg1 Rh6 Do you see the mate threat? (23...Rh6 24.Rf7 Ke8 25.Rf8 Kf8 26.Qf5 Qf5 27.ef5 Ne5 28.Be5 Re5-+) 0–1. Hottelet,Michael – Stuber,GJ, corr ICCF, 1994.

9.cd5 Qd5 10.Be2 Nd7 (10...Qd6 11.0-0=+) 11.Nc3= Bc3 12.Bc3 Nce5 (12...Nb6 13.Qc2=) 13.Ne5 (13.Rb1 Rfe8=) 13...Be2 14.Qe2 Ne5 15.0-0 (15.Be5 Qe5 16.0-0 Rad8=) 15...Rfe8 (15...Nd3 16.Bd4 Nf4 17.Qg4=) 16.d4 (16.Rfb1 Nd3=) 16...Nc4 17.Rfc1 c6 (17...a5 18.a4 Re6 19.Rab1+=) 18.Bb4 Nd6 (18...b5 19.Bc5=) 19.Qa2+= Qa2 20.Ra2 Nc8 (20...Ne4 21.Rb2+=) 21.Re1 (21.Rb2 h6+=) 21...a5 22.Bc3 (22.Bd2 Nd6=) 22...Nd6 23.f3 f5 24.Kf2 b6 25.Ke2 (25.Ba1 b5=) 25...Ra7 (25...c5 26.Rc1=) 26.Kd3 Kf7 (26...c5 27.a4+=) 27.a4+= Rae7 (27...Re6 28.e4+=) 28.Ree2 (28.Bd2 Ke6+=) 28...Nc8 (28...Ke6 29.e4+=) 29.Rab2 Ke6 (29...g5 30.e4+=) 30.e4+– fe4 31.fe4 Kd6 (31...Kd7 32.Bd2+=) 32.e5 (32.Be1 Kd7+–) 32...Kd5 (32...Ke6 33.Rec2 Kd7 34.Rf2+=) 33.Rf2 (33.Rec2 Rc7+=) 33...Ke6 (33...Rd7 34.Rf4+=) 34.Kc4 (34.Rfc2 Kd7+=) 34...Rd8 (34...Rc7 35.Rf3+=) 35.Rf4 (35.g4 Rc7+=) 35...Rf7 (35...Rc7 36.Be1=) 36.Rf7+= Kf7 37.g3 Ke6 38.Bd2 (38.Kd3 Rf8 39.Ke2 Kd5=) 38...Rd7 (38...Rd5 39.Kd3+=) 39.Bf4 (39.h3 h6+=) 39...Rd5= 40.Be3 (40.Kd3!?=) 40...Rd7 (40...b5!? 41.Kd3 Nb6=) 41.Bf4 (41.Kd3 Rf7+=) ½–½. Bergljung,Andreas – Gustavsson,Hans, corr SSKK, 1985.

9.cd5 Qd5 10.Bf6 gf6 11.Nc3 Qd7 (better is 11...Bc3!? 12.dc3 Qc5+=) 12.Be2= Kh8 13.Rb1 Rad8 (13...b6 14.0-0=) 14.Qc2 Rg8 (14...b6!?=) 15.Rb7+= Bb6 16.Ne4 Bf5 (16...Qe6 17.Nfg5! Nd4 18.ed4 fg5 19.d5 Rd5 20.Bg4 Qg4 21.0-0=) 17.Bb5 (17.Bb5 Qe6 18.Bc6+/– (18.Qc6? Be4 19.Qe6 fe6-+)) 1–0. forsetinn (1980) – hinschi (1790), gameknot.com, 2013.

9.cd5 Nd5 10.Bb5 Qd6 11.0-0 Qg6 12.Kh1 Qh5 (12...a6 13.Bc6 Qc6 14.Nd4=+) 13.Be2 Nce7 14.Ng1 Be2 15.Ne2 c6 16.e4 Bc7 17.h3 Nf6 (better 17...Nb6!?=+) 18.Bf6+= gf6 19.Nbc3 Kh8 (19...f5!?=) 20.Rb1+– b6 21.Nd4 (21.d4 Rg8+–) 21...Qd1 22.Rfd1 Rad8 23.Nf3 Rd3 24.Ne1 Rd7 25.d4 Rfd8 26.Nc2 (26.Nf3 Kg7+=) 26...b5 (26...f5 27.e5+=) 27.Kg1 (27.g4 Bb6 28.Ne2 Re8+=) 27...f5 28.f3 Bb6 29.Ne2 fe4 30.fe4 f5 31.e5 c5 (31...Ng6 32.Rf1 c5 33.Rb5 (worse 33.Rf5 cd4 34.Ncd4 a6-+) 33...cd4 34.Rb6 ab6 35.e6-/+) 32.Rb5= cd4 33.Rd3 Rd5 34.Rd5 Rd5 35.e6 (35.Ncd4? Nc6 (35...Re5?! 36.Kh1=) 36.e6 Nd4-+ (36...Rd4?! 37.Nd4 Nd4 38.e7 Nc6 39.Kf1 Ne7 40.Rd7-/+; worse 36...Bd4 37.Nd4 Nd4 38.e7+=)) 35...Kg7 36.Kf1 (36.Ncd4? Nc6-+; 36.Ned4 Nc6 37.e7 Kf7 (37...Nd4?! 38.e8Q Nc2 39.Kh1 Rd3 40.Qe2 Ra3 41.Qc2=) 38.e8Q Ke8 39.Re3 Kd7 40.Nc6 f4-+ (40...Be3?! 41.Ne3 Kc6 42.Kf2-+)) 36...Nc6 37.Nf4 Rc5 38.Ne1 Kf6 39.Rg3 (39.Nf3 Ra5=) 39...Ne7 (39...Bc7!? 40.Ned3 Ra5-/+) 40.Rd3= Rc1 41.Ke2 (41.Kf2 Bc5 42.Nf3 Nc6=+) 41...Rc4 (41...Ng6!? 42.Ng6 hg6-/+ (42...Kg6?! 43.Nf3=)) 42.Nf3=+ Ra4 (42...Ng6 43.Nd5 Ke6 44.Nb6 Nf4 45.Kd2 ab6=+) 43.Nh5 (better 43.g4!?=) 43...Ke6-/+ 44.Ng5 Kd6 45.Nh7 Ng6 (45...Nd5 46.Ng5-/+) 46.Rf3 (46.Ng5 Ne5 47.Rb3 d3 48.Kd2 f4-/+) 46...Ne5 47.Rb3 d3 48.Kd1 Be3 49.N7f6 (49.Ng3!? f4 50.Nf5 Ke6 51.g4-+) 49...Rc4 50.Rd3 Nd3 51.Ke2 Bg5 (51...Nf4!? 52.Ke3 Ng2 53.Kf3 Nh4 54.Kg3-+) 52.Kd3 Ra4 53.Nh7 Ra3 54.Kc4 Be7 55.Kb5 (55.Kd4 Ra4 56.Kd3 Ke5-+) 55...Kc7 (55...Ke5!? 56.g3 Rb3 57.Kc4-+) 56.g3 a6 57.Kc4 Kc6 58.h4 (58.Kd4 Bd6-+) 58...Rf3 (better 58...Ra4 59.Kd3 Rg4-+) 59.Ng5 Re3 60.Nf7 a5 61.Nh6 Re5 (61...Rf3 62.Nf7 Bd6 63.Nd6 Kd6 64.Kb5-+) 62.Ng7 f4! 63.gf4 Re4 64.Kd3 Rf4 65.h5 Bf8 66.Nhf5 Bg7 67.Ng7 Rh4 68.Kc3 Kb5 69.Nf5 (69.Kc2 a4 70.Ne8 Rh5 71.Nc7 Kb4 72.Na6 Ka5-+) 69...Rh5 70.Nd4 Ka4 71.Kb2 Rh2 72.Kc3 Rg2 (72...Ka3 73.Nf5-+) 73.Nc2 Rg4 74.Kb2 Rc4 75.Na3 Rb4 76.Ka2 Rb8 77.Nc2 Rb3 78.Nd4 Rd3 79.Nc2 Kb5 80.Kb2 a4 81.Na3 Kc5 82.Nc2 Rb3 83.Ka2 Kc4 84.Na3 (84.Na1 Re3 85.Nc2 Re2-+) 84...Kc3 85.Nb1 Kb4 86.Nd2 Re3 87.Nb1 Re2 (87...Re2 88.Ka1 Kb3 89.Nc3 Kc3 90.Kb1 Re1 91.Ka2 a3 92.Ka3 Ra1) 0–1. Ivanets,Vladimir (2230) – Gutzeit,Avraham (2140), World Seniors, Condino ITA, 2009.

9.cd5 Nd5 10.Bb5 Nce7 11.0-0 (11.Be2 c6 A) 12.Qc2 Bc7 (12...Ng6 13.0-0 Nh4 14.Nd4 Be2 15.Ne2=; 12...Qd6 13.Nc3 Rad8 14.Ne4 Qh6 15.0-0=; 12...Re8 13.0-0 Bc7 14.d3 Nf5 15.Rc1=+; 12...Be6 13.0-0 Bc7 14.Nc3 Re8 15.Ne4=; 12...b5 13.0-0 Re8 14.Rc1 Rc8 15.Bd3=) 13.0-0 Re8 14.d3 Nf5 15.Rc1=+; B) 12.Qa4 Be6 13.Nd4 Bd7 14.Qc2 Bc7 15.0-0=; C) 12.0-0 Bc7 (12...Re8 13.Qa4 Bf5 14.Qd4 f6 15.e4=) 13.d3 Bf3 14.Bf3 Re8 15.Qb3=) 11...c6 12.Be2 (12.Bd3 Ng6 13.h3 Bf3 14.Qf3 Qd6 15.Be4=) 12...Bc7 (12...Re8 13.d3 Ng6 14.Nd4 Be2 15.Qe2=+) 13.Ne5 (13.d3 Re8 14.Nbd2 Nf5 15.Re1=) 13...Be2 14.Qe2 Be5 (14...Re8 15.Qh5=) 15.Be5 Ng6 16.Bb2 Re8 17.Qf3 Qg5 18.Qg3 (18.d3 Rad8=) 18...Qg3=+ 19.hg3 Rad8 20.Rd1 Ne5 (20...h6 21.d3=+) 21.Be5 Re5 22.d4 Re7 23.Rc1 h6 24.Nd2 Rc8 25.Nb3 Ne3 (25...b6!?=) 26.fe3+= Re3 27.Na5 Rd3 (27...Rc7 28.d5+=) 28.Nb7 (28.Rab1!? Rd4 29.Rb7+– (29.Nb7?! Rb8+–)) 28...Rd4+– 29.Rd1 c5 (29...Rd5 30.Rd5 cd5 31.Rd1+–) 30.Rac1 (30.Rd4 cd4 31.Rd1 Rc3+–) 30...Rd1+= 31.Rd1 Kf8 (31...Rc7!? 32.Nd6 Rd7+=) 32.Rd8 (better 32.Rc1!?+–) 32...Rd8+= 33.Nd8 Ke8 (33...c4 34.Kf2+–) 34.Nb7+– Kd7 35.Nc5 Kc6 36.Ne4 Kd5 37.Nd2 Kd4 38.Kf1 Kd3 39.Ke1 f6 (39...f5 40.Nf3+–) 40.Kd1 (40.g4 Kc3+–) 40...h5 (40...Ke3 41.g4+–) 41.Nf3 g5 42.Nd2 Ke3 43.Kc2 (better 43.Ke1+–) 43...f5= 44.Nf3 Kf2 45.Nd4 (45.Ng5!? Kg2 46.Ne6 Kg3 47.Nd4=) 45...Kg3-/+ 46.Nf5 Kg2 47.Kd2? (better 47.Kd3 Kf3 48.Nd4 Kf2 49.Ke4-/+) 47...h4-+ 48.Ke2 h3 49.Ne3 Kg1 50.Nf1 h2 51.Ng3 Kg2 (51...Kg2 52.Ne4 h1Q-+) 0–1. Ramos,Diogo Miguel Matos – Goncalves,Rui Santos, IV Torneio FIDE Cidade de Almada, 2006.

9.cd5 Nd5 10.Be2 Qe7 11.0-0 Rfe8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.a3 Ba5).

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

9.cd5 Nd5 10.Be2 Re8 11.0-0 Qe7 12.Qb3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.a3 Ba5 12.Qb3).

9.Be2 dc4 10.Bc4 Nd7 11.Qc2 Bf3 12.gf3 Nde5 13.Be2 Qg5 14.Nc3 (14.Rf1 Qg2=+) 14...Qg2-/+ 15.0-0-0 b5?? (better 15...Bc3 16.Qc3 Qf2-/+) 16.Ne4 (worse 16.Nb5 Qf2 17.Be5 Ne5-/+) 16...Qh3? (16...f5 17.Rdg1 Qh3 18.Qc6+–) 17.Rdg1 (17.Bb5 Qe6+–) 17...Qh6 (17...Qe6 18.f4 a6+–) 18.f4 Ng6? (18...f5 19.Ng3 Rad8 20.fe5 Rd2 21.Qb3 Kh8+–) 19.Qc6 Rab8 20.f5 Rb6 21.Qc2 Nf4 (21...a6 22.fg6 Rg6 23.Kd1+–) 22.ef4 Rc6 (22...f6 23.Qc7 Rf7 24.Qd8 Rf8 25.Nf6 Rbf6 26.Qa5+–) 23.Rg7 (23.Rg7 Qg7 24.Qc6+–) 1–0. Hollstein,Gerhard – Henkel,Ralf, RLPF–op Hauenstein, 1991.

9.Be2 dc4 10.Bc4 Ne4 11.Qc2 Bf3 12.gf3 Nd6 13.Bd3 (13.Rg1!? Ne8 14.Bb5+=) 13...f5 14.Rg1 g6 15.Qa4 Bb6 16.Qf4 Qe7 17.h4 Kf7 18.h5 Rg8 (18...gh5 19.Rg7 Double attack (19.Bf5 Deflection; 19.Qh6 Decoy)) 19.Qh6 Ke8 20.f4 (20.hg6 Bd4 21.Nc3 hg6 22.Rg6 Kd7+–) 20...Kd7 (20...Bd4 21.Bc3 Nf7 22.Qh7 Rg7 23.hg6 Rh7 24.gh7 Bc3 25.Rg8 Kd7 26.Bf5 Kd6 27.Nc3 Rd8 28.Rg6 Kc5+–) 21.hg6+= Rg6 22.Rg6 hg6 23.Qg6 Rf8 24.Nc3 Qe6 25.Qh7 Kc8 26.0-0-0 Na5 27.Rg1 Nac4 28.Rg6 Qe8 29.Rg5 Increasing the pressure on the isolated pawn on f5 29...Nb2 30.Kb2 Qe6 31.Rg6 Qd7 32.Rg7 Qc6 (better 32...Qd8!?+–) 33.Rg8+– Qe8 34.Bf5! Nf5 (34...Nf5 35.Rf8 Double attack (35.Rf8 Decoy); 34...Rf5 35.Re8 Pinning (35.Re8 Deflection; 35.Re8 Overloading)) 35.Qf5!! Rf5 36.Re8 Kd7 37.Rg8 Bc5 (37...a6 38.Ne4+–) 38.Ne4 (better 38.Rg5!? Rg5 39.fg5 Ke6+–) 38...Be7 39.a4 Kc6 40.Rg6 Bd6 41.Nd6 cd6 42.Rg5 Rf7 43.f3 b6 44.f5 Kc5 45.Kb3 a6 46.f6 d5 47.e4 Rf6 48.Rd5 Kc6 49.Rf5 Rf5 50.ef5 Kd5 51.f6 Ke6 52.f7! Kf7 53.Kc4 Ke6 54.d4 Kd6 55.f4 Ke6 56.d5 Kd6 57.Kd4 b5 (57...Ke7+–) 58.ab5 ab5 59.f5 b4 60.f6 b3 61.Kc3 1–0. Leon Manas,Jose Francisco (1720) – Martel Rodriguez,MG, Open, Las Palmas ESP, 2009.

9.Be2 d4 10.ed4?? (better is 10.Nd4 Nd4 11.Bg4 (< 11.ed4 Be2 12.Ke2 Bb6-/+) 11...Ng4 12.Qg4+=) 10...Bf3-/+ 11.gf3 Nd4 12.Bd4 Qd4 13.Nc3 Rad8 14.Ra2 (14.Qc2 Nh5 15.0-0-0 Rfe8-+) 14...Rfe8 (14...Bc3!? 15.dc3 Qc3 16.Rd2-+) 15.0-0 Nh5 16.Kh1? (16.Qa4 Bc3 17.dc3 Qh4-+) 16...c6 (better is 16...Nf4 17.Ne4 Ne2 18.Qe2-+) 17.Rb2?? (17.Ne4-+) 17...Nf4 (< 17...Bc3 18.dc3 Qe5 19.Qb1-+) 18.Rg1 (18.Rb7 Bc3 19.dc3 Qf6-+ (19...Qc3?! 20.Rd7 Qa5 21.Rd8 Rd8 22.Qc2-+)) 18...Bc3 (better is 18...Ne2 19.Qf1 Ng1 20.Kg1 Bc3 21.dc3 Qc3 22.Rb1-+) 19.dc3 Qc3 (19...Re2? 20.cd4 Rb2 21.Qc1+–; 19...Qf2?! 20.Qf1 Qe3 21.Bd1-+) 20.Qe1 (20.Qb3 Qb3 21.Rb3 Ne2 22.Rgb1-+) 20...Qb2 (21.Qc1 Qc1 22.Rc1 Re2-+) 0–1. galaxy4 – buddyboy, Live Game Caissa's Web, 2004.

9.d4 Re8=+.

10.Qb3 Nb6=+.

10.Nc3 Nc3 11.Bc3 Ne5 12.Be2 Bf3 (12...Nf3!? 13.Bf3 Bf3 14.Qf3 c6=) 13.gf3+= Qe7 14.h4 h6 (14...Qe6 15.f4 Nd7 16.Rg1+/-) 15.Qb3 c6? (better 15...Qe6 16.Qe6 fe6+/-) 16.Rg1+- Qh4 17.f4 Ng6 (17...Qh2 18.0-0-0 Rae8 19.fe5 Be5+-) 18.Rg6 Qh1 19.Bf1 Kh7 20.Rg7 (20.Rg7 Kh8 21.Rf7 Be5 22.Be5 Kg8 23.Rg7 Kh8 24.Rb7 Rf6 25.Bf6) 1-0. forsetinn – ulla, gameknot.com, 2014.

10.Be2 Rb8 11.d3=+.

10.Be2 Qe7 11.0-0 Rad8 12.d4 Qe6 13.Nbd2 Qh6 14.Qc2 (14.h3 Be6=) 14...Rfe8 (better 14...Bh2!? 15.Nh2 Be2-/+) 15.Bd3 Re6 16.Bf5 (16.Rfb1 Qh5 17.h3 Rh6=) 16...Bf3 (16...Bf5!? 17.Qf5 Nce7=) 17.Nf3+= Rf6 18.g3 Qh5 19.Be4? (better 19.Nh4=) 19...Nde7?? (better 19...Rf3 20.Bf3 Qf3-+) 20.Ne5 (20.d5 Ne5 21.Ne5 Be5 22.Be5 Qe5+/-) 20...Rh6 (20...Be5 21.de5 Rh6 22.f4=) 21.h4 (21.f4!? Be5 22.fe5+=) 21...Ne5= 22.de5 Be5 23.Be5 (23.Bb7? Bb2 24.Qc7 Re8-+) 23...Qe5 24.Rad1 Rhd6? (24...Rb8 25.Rd7 c6 26.Rfd1=) 25.Rd6 (better 25.Qc7!? f6 26.Qd8 Rd8 27.Rd8 Kf7 28.Bh7+/-) 25...Qd6= (worse 25...Rd6 26.Qc7 (26.Bh7?! Kh8=) 26...g6 27.Bb7+/-) 26.Bb7 Ng6 27.Be4 Nf8 28.Bf3 Ne6 29.Rd1 Qe7 30.Rd8 Qd8 31.Qc6 h6 32.a4 Qd2 (32...Nf8!?+=) 33.Bd5 (33.Qa8 Qd8 34.Qa7 c5+-) 33...Qd1 34.Kg2 Qg4?? (better 34...Kf8+-) 35.f3 (better 35.Qe8 Kh7 36.Qf7+-) 35…Qg6 0-1. Villagra,Juan Carlos (1775) - Tumini,L (2150), XX Rio Grande Domingo Int, 2020.

10.Be2 Be7 11.0-0= Bf6 (11...Qd6 12.Qc2=) 12.d4 Re8 13.Nbd2 a6 (13...Qd7 14.Bd3=) 14.Qc2 Qd7 15.Bd3 g6 (15...h6 16.Rfc1=) 16.h3+= Bf3 (16...Be6 17.Ne4 Be7 18.Nc5 Bc5 19.dc5+–) 17.Nf3 Rad8 (17...Bg7 18.Rfd1+=) 18.Rfd1 Bg7 19.e4 (19.Rac1 Bh6+=) 19...Nf4 20.Bf1 Qe7 21.e5 (21.d5 Bb2 22.Qb2+–) 21...Nd5 (21...Qe6!?+=) 22.Ba6+– Ncb4 (22...ba6 23.Qc6 Qe6 24.Rac1+–) 23.ab4 Nb4 24.Qb3 Na6 (24...ba6 25.Bc3 Nd5 26.Ra6 Nc3 27.Qc3+–) 25.Qb7+– Rb8 26.Qa6 Rb2 27.Qc6 Rb6 28.Qc2 (28.Qc4 Rb4 29.Qc3 Rb7+–) 28...Rb7 (28...c6 29.Nd2+–) 29.Rdc1 (29.Rdb1 Rb1 30.Rb1 Qd8+–) 29...f6 (29...Reb8 30.Qc6+–) 30.Qc6 Reb8 31.Ra8 Rb6 (31...Qf8 32.Qd5 Kh8 33.Qb7 Ra8 34.e6+–) 32.Rb8 (32.Qb6! A) 32...cb6?? 33.Rb8 Bf8 34.Rcc8+– (worse 34.Rb6 fe5 35.de5 Kg7+–); B) 32...Ra8 33.Rc7 Qf8+–) 32...Rb8 33.Qc7 Qc7 34.Rc7 fe5 35.de5 Re8 36.Rc5 h6 37.Kf1 Kf7 38.Ke2 g5 (38...Bf8 39.Rb5+–) 39.g3 (39.Kd3 Bf8 40.Rc6 Bg7+–) 39...Ke6 (39...Re6 40.Ke3+–) 40.Nd4 Kd7 (40...Kf7 41.f4+–) 41.f4 (41.f4 gf4 42.gf4+–) 1–0. Miralles,Gilles – Leriche,Felix, France, 1982.

9.Bd3 Na5 10.cd5 Qd5 11.Be2 Nb3 12.Nc3= Qe6 13.Rb1 Bf3 14.Bf3 Rad8 15.Nd5 Nd5 16.Qb3 b6 17.0-0 Rd7 18.d4 f5 19.a4 Rf6 20.Rfc1 Rg6 21.a5 c6 22.Ba3 Ba3+= 23.Qa3 Rd8 24.Qd3 b5 25.Rc5+/– Rd6 26.Qb3 Ne7 27.Qc2 a6 28.Re5 Qd7 29.Qb3 Kf8 30.Rc1 Rde6 31.Rec5 Rh6 32.Qb4 Kg8 33.g3 Qe8 34.Bg2 Qh5 35.h3 Qe8 36.Qb3 Qf7 37.Kh2 Rhf6 38.Bf3 Rd6 39.Qb4 Qe8 40.Bg2 ½–½. marekt – weBNimzo, ChessWorld.net, 2004.

9.d4 Na5 10.Nbd2 dc4 11.Nc4 Qd5 12.Rc1 Rac8 13.Be2 Nc4 14.Bc4 Bf3 15.Qf3 Qa5 16.Bc3 Qa3 17.0-0 c6 18.e4 Bb4 19.e5 Nd5 20.Bd5 cd5 21.Bb4 Qb4 22.Rc8 Rc8 23.Qd5 a5 24.Qd7 Rf8 25.h3 Qc3 26.Rb1 h6 27.Kh2 Qd2 28.f3 (28.Qb7?! Qd4 29.Qb5 Qf2 30.Qa5 Qf4 31.Kh1 Re8=) 28...b5 29.Qb5 Rc8 30.Qa4 ½–½. Boehnke,Hartmut – Kellner,Rene, Thueringen–ch A 6th corr, 2007.

9.d4 dc4 10.Bc4 Na5 11.Ba2 c5 12.0-0 Rc8 13.d5 c4 Black launches an attack 14.Nc3 Qb6 15.Bc1 Nb3 16.Rb1 Bf5 -/+.

9.d4 dc4 10.Bc4= Na5 11.Bd3 c5 12.0-0 Rc8=+ 13.Nbd2? c4-+ (13...c4 14.Nc4 Nc4 (14...Rc4?! 15.Bc4 Nc4 16.Qc2 Bf3 17.Qc4-/+) 15.Bc4 Rc4-+) 0–1. Tidemalm,Gustav – Wikstroem,B, corr SSKK, 1985.

9.d4 Re8 10.Bd3 dc4 11.Bc4 Bd6 12.0-0 Ne4 13.h3 Bh5 14.Nc3 Nc3 15.Bc3 Qe7 16.Rb1 Nd8 17.Bb4 Bb4 18.Rb4 c5 19.dc5 Nc6 20.Rb5 a6 21.Rb2 Qc5 22.Qd5+= Qd5 23.Bd5 Red8 24.Be4 Na5 25.Rb4 Rab8 26.a4 Bg6 27.Bg6 fg6 28.Rfb1 Rbc8 29.Ng5 h6 30.Nf3 Rc2 31.Nd4 (31.Nd4 Ra2 32.Rc1+=). Andersson,Egart – Woschkat,Karl_Heinz, email SOK–98–E002B, 1998.

9.Nb5 de3 10.fe3 Qe7 (10...Ne4!? 11.Be2 Bf3 12.Bf3 Nd2-+ (12...Qd2?! 13.Qd2 Nd2 14.0-0-0 Nc4 15.Nc7-/+; 12...Bd2?! 13.Ke2 f5 14.g4-/+)) 11.Be2 Bf3 (11...Ne4 12.0-0 Bf3 13.Rf3-/+) 12.Bf3 Qe3 13.Qe2 Qe2 14.Ke2 Rfe8 15.Kf2 (15.Kd1 Rad8 16.Bf6 Rd2 17.Kc1 gf6 18.a3-+) 15...Rac8?? (15...Ne4 16.Be4 Re4 17.d4-+) 16.Rad1 (16.Bf6!? gf6 17.d4 Nd4 18.Nd4=) 16...a6 (16...Ne4 17.Be4 Re4 18.d3-/+) 17.Nc3? (better 17.Bf6!? gf6 18.Nc3=) 17...Bc5 (17...Ne5 18.d3-+) 18.Kg3 Ne5 19.Bb7? (better 19.Na4 Bd6 20.c5 Nf3 21.Kf3-/+) 19...Rb8-+ (19...Nc4?! 20.Bc8 Rc8 21.Bc1=) 20.d4 Rb7 (better 20...Nc4 21.dc5 Nb2-+ (21...Rb7?! 22.Bc1-/+)) 21.de5? (21.Bc1 Nh5 22.Kh4 Be7 23.Bg5 Nf4 24.de5 Ng2 25.Kg3 Bg5 26.Kg2 Bf4-+) 21...Nh5 (better 21...Rb2 22.Na4 Ne4 23.Kf4 Ra2-+) 22.Kh4 Rb2 23.Kh5 Rg2 24.Rhe1 (24.Kh4 Re5 25.Rd3 Bd6-+) 24...g6 (24...Be7 25.Rd3 g6 26.Kh6 Bg5) 25.Kh4-+ Bf2 26.Kh3 Be1 27.Kg2 (27.Re1 Rg5 28.Nd5 Ree5 29.Re5 Re5 30.Nc7 Re3 31.Kg2 Re2 32.Kg3 Ra2 33.c5-+) 27…Bc3 0-1. dannysmet (1970) - Sanity64 (1965), Rated Blitz game, lichess.org, 2020.

9.ed4 Re8 10.Be2 Bf3 11.gf3 Nd4 12.Ne4 Nf3! 13.Bf3 Ne4 14.Be2 Bd2 15.Kf1 Qh4 16.Bd4 Rad8 17.Qa4 Qh3 18.Kg1 Re6 (18...Re6 19.Qd1 Rg6 20.Bg4 Rd4 21.Qf3 Qf3 22.Re1 Qf2) 0–1. Schulz – Schwarzer,Wolfgang, corr, 1984.

9.Be2 Rfd8 10.0-0 (10.Bf6!? gf6 11.a3+=) 10...Ne4 11.d3 Nc5 12.d4 Ne4 13.Nfd2 (13.Qc2 Ng5 14.Ng5 Be2 15.Qe2 Qg5=) 13...Be2=+ 14.Qe2 f5 (14...Re8 15.Qf3=) 15.Ne4= fe4 (15...Qe4 16.Qc4 Qd5 17.Qd5 Rd5 18.a3=) 16.Nc3 (16.a3 Ba5=) 16...Bc3 17.Bc3 Ne7 (17...Rf8 18.Rab1 a6 19.Qc2= (worse 19.Rb7 Nd4 20.Bd4 Qb7-/+)) 18.Rfc1 (18.Rab1 b6=) 18...c6 19.Rab1 b6 (19...Rd7 20.Bb4=) 20.Bb4 (20.a4 Rab8=) 20...Nf5 21.Rb3 Rac8 22.Rbc3 Re8 (22...a5 23.Ba3+=) 23.Qc4+– Rcd8 24.a4 (24.Qb3 Qb3 25.ab3+=) 24...Ne7 (better 24...a5!? 25.Ba3 b5+=) 25.Be7+– Re7 26.Qc6 Qc6 (26...Qf5 27.Qb5 Qb5 28.ab5+–) 27.Rc6 Kf7 28.Rc7 Rdd7 29.Rd7 (29.Rc8 Rd5+–) 29...Rd7+– 30.Kf1 (30.f3 ef3 31.gf3 Ke7+–) 30...Ke6 (30...Ke7 31.Ke2+–) 31.Ke2+– Kd5 (31...Rd5 32.Rc7 Ra5 33.f3 ef3 34.Kf3+–) 32.a5! Rb7 (32...ba5 33.Rc5 Double attack (33.Rc5 Decoy)) 33.a6+– Re7 34.Rc8 Kd6 (34...g5 35.f3+–) 35.f3 Kd7 (35...ef3 36.gf3 Rd7 37.e4+–) 36.Ra8 (36.Rb8!? ef3 37.Kf3 Kc6+–) 36...ef3 37.gf3 (37.Kf3 Kc6 38.Rb8 Rf7 39.Ke2 g5+–) 37...Kc6 38.e4 (better 38.Rb8!? Rd7 39.Kd3+–) 38...Kb5+– 39.d5 Ka6 40.d6 Rd7 41.e5 Kb7 42.Re8 (42.Rh8 Kc6+–) 42...Kc6 43.Rc8 (43.Kd3 Kd5+–) 43...Kd5 44.f4 g6 (44...g5 45.Rc7 Rd8 46.fg5 (46.Ra7?! gf4 47.Re7 b5+=) 46...Ke5 47.Ra7+=) 45.Ke3 (45.Kf3 Rf7+–) 45...a5 46.Rb8 (better 46.h4+–) 46...Kc5? (better 46...g5 47.fg5 Ke5 48.Rb6 Rd6+=) 47.Ke4+– a4? (47...Kc6+–) 48.Rc8 Kb4 49.Kd5 Ra7 50.e6 a3 51.Rc1 (51.d7 a2 52.d8Q Ra5 53.Ke4 Ra4 54.Qb6 Ka3 55.Kd3 a1Q 56.Rc3 Qc3 57.Kc3 Rc4 58.Kc4 Ka2 59.Kc3 Ka3 60.Qb3) 51...a2 52.e7 a1Q (52...Ra5 53.Ke6 a1R 54.Ra1 Ra1 55.d7+–) 53.Ra1 Ra1 54.e8Q 1–0. Morriss,Pete (2010) – Cotonnec,Melkior (2005), Dublin IRL, e2e4 Masters, 2013.

9.Be2 Qe6 10.Qb3 +=.

9.Be2 Rfe8 10.Nc3 (10.Bf6!? gf6 11.a3+=) 10...Qd7 11.0-0 Rad8 12.a3 Ba5 13.d4 Bf5 (13...a6 14.Rc1=) 14.Qb3 Bb6 (14...Be6 15.Qc2= (15.Qb7? Rb8 16.Qa6 Rb6-+)) 15.Na4 (15.Bb5 Qe6 16.Qe6 Re6+=) 15...Na5 16.Qb4 (16.Nb6 Nb3 17.Nd7 Nd7=) 16...Nd5 17.Nb6 Nb6?? (better 17...ab6 18.Qe1 Qe6=) 18.Qa5+– a6 19.Ne5 Qe6 20.Qc5 Nd5 21.Bc4 c6 (21...f6 22.Nf3+–) 22.Rfe1 Be4 (22...f6 23.e4 Be4 24.Re4 fe5 25.Re5 Qd7+–) 23.f3 Bg6 (23...f6 24.fe4 fe5 25.de5 Kh8 26.ed5 cd5+–) 24.Ng6 (better 24.e4 Bf5 25.Rac1+–) 24...Qg6 25.e4 (25.Qa5 Qc2 26.Bd5 cd5+–) 25...Nf4?? (better 25...b6 26.Qd5 cd5 27.Bd5 Rd6-/+) 26.Bf1 (better 26.g3+–) 26...Nh3= 27.Kh1 Nf2 28.Kg1 Nh3 29.Kh1 ½–½. Hilbert,Stephan J (1710) – Goldmund,Heike, FICGS, 2014.

9.Be2 Bf3 10.Bf3 Qe6 11.0-0 Rab8 12.Bc3 Bc3 13.Nc3 Ne5 14.Be2 c6 (14...Rfd8 15.d4=) 15.d4 Ng6 16.Na4 (16.Qa4 a6+=) 16...Ne4 17.Bd3 Nd6 (17...Rfe8 18.Qc2+=) 18.Nc5+= Qg4?? (better 18...Qe7+=) 19.Qg4+- 1-0. fishissushi (1905) - pmulqueen (1895), Rated Blitz game, lichess.org, 2020.

9.Bf6 gf6 10.a3 Ba5 11.Be2 Rad8 12.0-0 Kh8 13.d4 Rg8 14.Kh1 Ne7 15.Nbd2 c6 16.Rb1 b5 17.a4 a6 18.ab5 ab5 19.Ra1 (19.Qc1 Bf5 20.Ra1 Bd2 21.Qd2 Be4+–) 19...Bc7 (19...Bb4 20.Qc2+=) 20.Ra7 Qd6 (20...Bd6 21.Qc2+–) 21.Qc2 Bf3 (21...Bb8 22.Ra6+–) 22.Nf3+– Rb8 23.Rc1 b4 24.Bc4 Ng6 (24...Rg7 25.Qb3+–) 25.Bb3 (25.Bf7 Rg7 26.Bg6 hg6+–) 25...Ne7 26.Bf7 Rg7 (26...Rg5 27.Bb3+–) 27.Bb3 Rg5 (27...Bb6 28.Ra6+–) 28.Rc7 Qc7 29.Ng5 fg5 30.d5! Rb6 (30...cd5 31.Qc7 Pinning (31.Qc7 Deflection; 31.Qb2 Decoy); 30...Nd5 31.Qc6 Double attack (31.Qc6 Deflection; 31.Qc6 Decoy)) 31.Qb2 (31.Qb2 Kg8 32.d6 Nd5 33.dc7 Kf8 34.c8Q Kf7 35.Qd7 Kg6 36.Qbg7 Kh5 37.Qh7) 1–0. Teverovski,Bogoljub (2080) – Trigance,Emile, FICGS, 2013.

9.Bf6 gf6 10.Qb3 Bf3 11.gf3 Qf3 12.Rg1 Kh8 13.a3=+.

9.Bf6 gf6 10.Nc3 Qa5 11.Qb3 Rad8 12.Be2 Rfe8 13.0-0 Qh5 14.d4 Kh8 15.Rfc1 (15.Rfd1 Rg8 16.Kf1 a5+=) 15...Rg8= 16.Kf1 Be6 17.Qb2 Bc3 18.Rc3 Bd5 19.h3 Rg7 (better 19...Qg6!? 20.g3 Qf5+=) 20.Qb7+– Rdg8 21.Qc7 (21.Qb5!? Rg2 22.Ke1+= (22.Rc6?? Qh4 23.Ke1 Qf2 24.Kd2 Bc6-+)) 21...Rg2= 22.Qf4 (22.Rc6 Qh4!? 23.Ke1 Qf2 24.Kd2 Qe2 25.Kc3 Qb2 26.Kd3 Re8 27.Qe7 Re7 28.Rc8 Kg7 29.Rg8 Kg8 30.Rc1 Qe2 31.Kc3 Qc4) 22...Bf3 23.Bf3 Qb5 24.Ke1 Rg1 25.Kd2 Ra1 The mate threat is Rxa2 26.Qf6 (26.Bc6?? Ra2 27.Rc2 Rc2 28.Kc2 Qc6 29.Kd2 Rg1-+; 26.Rc6 Ra2 27.Rc2 Qb4 28.Kd3 Qb3 29.Rc3 Qb1 30.Kc4 Ra4 31.Kd5 Rd8 32.Qd6 Qf5 33.Kc6 Ra6 34.Kb7 Qb5 35.Kc7 Qb8) 26...Rg7 27.Qc6 (27.Bc6 Ra2 28.Rc2 Qb4 29.Kd3 Qb3 30.Rc3 Qb1 31.Kc4 Qf1 32.Kb3 Rf2-+) 27...Ra2 28.Rc2 Qa5 29.Kd3 Rc2 Black gets in control 30.Kc2 Qf5 31.Kd2 Rg6 32.Qd5 Rg5 33.Qf5 Rf5 34.Ke2 Rb5 35.Bc6 Rb2 36.Kf3 Kg7 37.d5 Kf6 38.Kg3 a5 39.f4 (39.d6!?-/+) 39...Ke7 40.e4 f6 (better 40...Rc2!? 41.Bb5 Rc5-+) 41.e5=+ fe5 42.fe5 Rb4 43.d6 (better 43.h4!?-/+) 43...Ke6-+ 44.d7 Ke7 45.Kf3 (45.e6-+) 45...a4 46.e6 a3 (46...a3 47.Bd5 Rb5-+) 0–1. Steinmann,Joachim – Zidu,Jan, EM/M/A108 ICCF Email, 2000.

9.Bf6 gf6 10.Be2 Rad8 11.0-0 Kh8 12.Nc3 Qa5 13.Qc2 Rg8 14.Kh1 Bf5 15.Qb2 (15.e4 Bg4=) 15...Rd2 16.Qd2 (worse 16.Nd2 Bc3 17.Qb7 Nd8-/+) 16...Bc3 17.Qd1 Ba1 18.Qa1 Kg7 19.Nh4 Re8 (19...Be6!? 20.a3 Ne5=+) 20.Nf5+= Qf5 21.Bf3 Re6 22.Qb1 (22.Qc3 Rd6=) 22...Qa5 (22...Qb1!? 23.Rb1 Na5=) 23.Qb7+= Ne5 24.h3 Rd6 25.Bd1 Qa2 26.Qc7 Rd2 27.Kg1 a5 28.Qa7 Qd5 29.Bg4 (29.Ba4 Ra2 30.Be8 a4=) 29...Qa2 (29...Ng4 30.hg4 Rd1 31.f3=+) 30.Bd1 Qd5 31.Bg4 (31.Ba4 Ra2 32.Be8 a4=) ½–½. Rodriguez,Alberto – Acosta,Tomas, Salta ARG, 1993.

10.0-0 Qe6 11.Qc2 +=.

10.0-0 Qe6 11.d4 Rfe8 (11...a5 12.a3 Be7 13.Nbd2 Qd6 14.Rc1=) 12.Qb3 Nd5 13.a3 Be7 14.Nbd2=.

10.0-0 Qe6 11.Bf6 Qf6 12.d4 -/+.

10.0-0 Be7 11.h3 Bf3 12.Bf3= Qb5 13.Qc1 Nb4 14.a4 Qb6 15.a5+= Qb5 16.Nc3 Qd3 17.Bb7+= Qd2 18.a6 Qd7 19.Rd1 Qf5 20.e4 Qh5 21.Nd5 Nbd5 22.ed5 Nd5 23.g4 Qh3 24.Bd5 Rd5 25.Rd5 Qg4 26.Kf1 Qh3 27.Ke2 Qg4 28.Kd3?? Qf3-+ 29.Kc4 Rb8 30.Bc3 Qe2 31.Rd3 Qe6 32.Rd5 Qc6 33.Kd4 Bf6 34.Re5 Be5 35.Ke5 Rb5 36.Kf4 Rc5 37.Ra3 Qh6 38.Ke4 Qc1 39.Rb3 f5 40.Kd4 Qd1 (40...Qd1 41.Kc5 Qb3-+; better is 40...Rc6 41.Ke5 Qc2 42.f3-+) 0–1. Feoktistov,Alexey (2430) – Hanssen,Gunnar Berg (2120), NNM for lag Vadso–Tromso Norway, 2005.

10.0-0 Rfe8 11.a3 Ba5 (11...Be7 12.Bf6 Bf6 13.d4+=) 12.d4 (12.Bf6!? gf6 13.d4+=) 12...Ne4+= 13.Qc1 Rd6 14.Nc3 Bc3 15.Bc3 Rh6 16.Rb1 (16.h3 Bh3 (16...Nc3?! 17.Qc3 Bf5 18.Bc4=) 17.Ne1 Qd6-+) 16...a6 (16...Qh5 17.Re1 Ng5-+ (17...Nc3?! 18.Qc3 Bf3 19.Bf3 Qh2 20.Kf1+=)) 17.h3= (worse is 17.Rb7 Nd4 18.Bd4 Qb7-/+) 17...Qh5 18.Ng5? (better is 18.Re1-+) 18...Be2 (18...Ng5?! 19.Bg4 Qg6 20.Kh2=) 19.Ne4 Re4 20.Rb7 (20.f3 Bf1 21.Kf1 Re7-+) 20...Bf1 21.Rc7 Re8 22.Qf1 Rg6 23.Kh1 a5 24.Qc4 Nd8 25.d5 Qf5 26.Kg1 Qh3 27.g3 Rh6 (27...Rh6 28.Qh4 Rh4 29.gh4 Re4-+) 0–1. Stokke,Jan (1865) – Horda,Carl Erik (1800), Molde, 2004.

10.0-0 Rfe8 11.d4 Ne4=+ 12.Qc2 Qh5 13.h3= Bh3 14.Ne5+= (14.gh3? Qg6 15.Ng5 Qg5 (15...Ng5?! 16.Qg6 hg6 17.Kg2=+) 16.Kh1 Qf5-+). Schiffler – Baer, Zwickau, 1951.

10.0-0 Rfe8 11.d4 Ne4 12.Nbd2 Bd6 (12...Nd2 13.Nd2 Be2 14.Qe2 Nd4 15.Bd4 Qd4 16.Nf3-/+) 13.Nc4? (13.Ne4 Qe4 14.Bc3 Rb8=) 13...Qh5 (better 13...Bf3 14.gf3 Qg5 15.Kh1 Qh4-+) 14.Nd6 Rd6 15.g3?? (15.Rc1 Rh6 16.Re1 Bf3 17.Bf3 Qh2 18.Kf1 Qh4 19.Be4 Re4-/+) 15...Qh3?? (better 15...Ng5 16.h4 Nf3 17.Kh1 Rg6-+) 16.Ng5=+ Ng5 (16...Be2!? 17.Nh3 Bd1 18.Rfd1 Rh6=) 17.Bg4= Qh6 18.Rc1 Ne4 19.Bf3 Ng5 20.Re1?? White prepares the advance d5 (20.Bg2 Ne4+=) 20...Rf6?? (better 20...Nd4 21.Bb7 Ndf3 22.Bf3 Rd1 23.Bd1 Nh3 24.Kg2 Nf2-+) 21.Bg2+= Nh3 22.Bh3 Qh3 23.d5 Ne5 (23...Rh6!? 24.dc6 Qh2 25.Kf1 Qh3 26.Ke2 Qh5 27.Kd2 Qa5 28.Kd3 Qf5 29.Kd2 Qf2 30.Qe2 Qg3=+) 24.Be5+– Re5 25.Rc7 Rh5?? (better 25...Rh6 26.Qf3 Qh2 27.Kf1 f5 28.Rb7 Qh3 29.Ke2 Ra6 30.Rb8 Kf7+–) 26.Qh5+– 1–0. Dumontelle,Joe – Tenhunen, March, 1978.

10.0-0 Rfe8 11.Bf6 gf6 12.d4 Qa5 +=.

10.0-0 Qh5 11.d4 Rfe8 12.h3 Bf5 13.g4 (13.a3 Be7=) 13...Ng4=+ 14.hg4?? (better 14.Nh2 Ne3 15.Bh5 Nd1 16.Rd1 Bh3 17.Bf3=+) 14...Qg4-+ 15.Kh1 Rd6 (better 15...Be4 16.Qc2 Qh3 17.Kg1 Rd5 18.Qe4 Re4 19.Nh2 Rg5 20.Bg4 Rgg4 21.Ng4 Rg4) 16.Nh2 Qh3?? (better 16...Qh4 17.Rg1 Qf2-+) 17.Bg4= Be4?? (better 17...Qh4 18.Rg1 Qf2 19.Bf5 Qb2-+ (19...Qf5?! 20.Qg4 Qd5 21.Rg2-+)) 18.f3+- Qh4 19.fe4 Rh6 20.Qe2 Ree6?? (20...Re4 21.d5 Ne7-+) 21.Be6+- fe6 (21...Qe4 22.Qg2 Qg2 23.Kg2 fe6 24.Nf3+-) 22.Qf2 (better 22.Rf4 Qg3 23.Qf2 Qf2 24.Rf2+-) 22...Qh3 (22...Qe4 23.Qf3 Qf3 24.Rf3 Bd6+-) 23.Qf7 Kh8 24.Qe8 (24.Qe8 Bf8 25.Rf8) 1-0. cucosant2 (1815) - trickymate587 (1900), Casual Blitz game, lichess.org, 2021.

11.a3 Ba5 12.d4 f5 (12...Rfe8 13.Qc2=+) 13.Nbd2 (better 13.Qa4!? Kh8 14.Bc4=) 13...f4 (better 13...Nd2 14.Nd2 Be2 15.Qe2 f4=) 14.Bc4+/- (14.Bc4 Nd2 15.Bd5 (15.Nd2?! Bd1 16.Bd5 Rd5 17.Rfd1 fe3 18.fe3 Re8=) 15...Rd5 16.e4+/- (16.Nd2?! Bd1 17.Rfd1 fe3 18.fe3 Re8=)) 1-0. carlos78 (2210) - tamik (2285), Rated Blitz game, lichess.org, 2015.

11.d3 Qa5 (11...Ng5 12.Ng5 Be2 13.Qe2 Qg5 14.a3=) 12.a3 Bc3 (12...Be7 13.Nd4 Nd4 14.Bg4+=) 13.Nc3 Nc3 14.Bc3 Qc3 15.Qa4 (15.Qb1 Bf3 16.Bf3 Ne5+=) 15...Bf3 16.Bf3 Rd3 Exerts pressure on the isolated pawn 17.Be4 Qb3 (17...Rd2 18.Rab1+=) 18.Bc6 bc6 19.Qc6 (19.Qa7 Qb6 20.Qa4 Rfd8+=) 19...Rc3 (19...Qb6 20.Rac1=) 20.Qd7 (20.Qa6 Qb6 21.Qa4 Rb3=) 20...a5 (20...a6 21.Rfd1=) 21.Rfb1 (21.Rfd1 c5=) 21...Qc2 22.a4 (22.Rd1 a4=) 22...Ra3 23.Qb5 Ra1 24.Ra1 Qc3 25.Rd1 Qc2 26.Ra1 (26.Rf1 Ra8=) 26...Qc3 27.Rd1 Qc2 28.Ra1 (28.Rf1 Qc3=) ½–½. Bonetti,Shane – ajop (2850), ICC, 2002.

11.d4 Bd6 12.Nc3 Nc3 13.Bc3 Qh5 14.g3 (14.h3!? Bh3 15.gh3 Qh3 16.d5=) 14...Ne7 15.Re1 c5 (15...Nd5 16.Bd2=+) 16.Nh4 Be2 17.Qe2 Qe2 18.Re2 Nd5 19.Be1 (19.Rc2 Rc8 20.Rac1 f5 21.dc5 Rc5 22.Bg7 Rc2 23.Rc2 Kg7+=) 19...c4 (19...f5 20.dc5 Bc5 21.Rc2=+) 20.Rc2 b5 21.a4 a6 22.ab5 ab5 23.Nf5 Bb4 Black intends c3 (23...Bc7!?=) 24.Bb4+/- Nb4 25.Rb2 Nd3 26.Rb5 c3? (better 26...Ra8 27.Rd1 Ra2+=) 27.Rb3+- Ra8 (27...g6 28.Rc3 Nb4 29.Ne7 Kg7 30.Rc4+-) 28.Ra8 Ra8 29.Rc3 Ra1 30.Kg2 Ne1 31.Kh3 h6 32.Nh4 1-0. AhmedSultanov (1830) - Sommer2 (1845), lichess.org, 2019.

11.d4 Rfe8 12.Ba3=+.

11.d4 Qh5 12.a3 (12.h3 Bf3 13.Bf3 Qd5=) 12...Ba5 (12...Be7=) 13.Kh1 (better 13.h3!? Bd7 14.Nfd2=) 13...Ne5-/+ 14.h3? (14.Ng1 Rfe8-/+) 14...Bh3?? (better 14...Bf3 15.Bf3 Nf3 16.Qf3 Qb5-+) 15.Nh2 (15.gh3 Nf3 16.Bf3 Qh3 17.Kg1 Rd5-+) 15...Qh4 16.gh3 Nf2 (better 16...Qf2!? 17.Rf2 Nf2 18.Kg2 Nd1 19.Bd1 Nd3=+) 17.Rf2=+ Qf2 18.Qf1 Qf1 (18...Nd3 19.Qf2 Nf2 20.Kg2=+) 19.Nf1 Ng6 20.Nc3 Rfe8 21.Bc4 (21.Rb1 c6=) 21...Rd6 (21...Nh4 22.Bd3=+) 22.Rc1 Rf6 (22...a6 23.Kg2=) 23.Rc2 (23.Kg1 c6=+) 23...Rf3=+ Attacks the backward pawn on e3 24.Kh2 (24.Rh2 c6 25.Be2 Rf6=+) 24...c6-/+ 25.Kg1 (25.Be2 Bc7 26.Kg2 Nh4 27.Kg1 Rh3-/+) 25...Rh3 26.Rf2 Re7 27.Be2 (27.Rf5 Bc7-/+) 27...Nf8 (27...Bc7 28.Bd3-/+) 28.Bf3 (28.Kg2 Rh4-/+) 28...Re6 (28...Rh6 29.Be2-/+) 29.Bg2 (29.Bg4 Rg6 30.Rg2 Rh4-/+) 29...Rg6 (29...Rh4 30.Rf5 Bc7 31.d5-/+) 30.Ne2 (30.Rf5 Rh4-/+) 30...Ne6 31.Nf4 (31.Rf5 Be1-/+) 31...Nf4-+ 32.ef4 (better 32.Rf4!? Be1 33.Rf5-+) 32...Rb3 33.Re2 (33.f5 Rd6-+) 33...Re6 34.Rc2 Bb6 35.f5 (35.Kh1-+) 35...Rb2! 36.Rb2 Decoy to b2 36...Bd4 A double attack 37.Ne3 Re3 (37...Re3 38.Rb4 Bc5-+) 0–1. Alberts,Hendrik Jan – Piroska,Istvan, Kiekrz, 1995.

11.d4 Qa5 12.Ne5 (12.a3 Bd6 13.Nbd2 Qd5 14.Rc1 b5 15.Qb3 Rb8 16.Rfe1 Rfe8 17.Qd5=; 12.Nbd2 Bd2 13.Nd2 Be2 14.Qe2 Rfe8 15.Rfc1 Nc6 16.Rc5 Qb4 17.Bc3=; 12.h3 Be6 13.a3 Bd6 14.Nbd2 Rfe8 15.e4 Bf4 16.d5 Ned5 17.ed5+=) 12...Be2 13.Qe2 Rfe8 14.e4 c6 15.Qc2 Bd6 16.Nc4 Qh5 17.Nd6+/–.

11.d4 Ne4 12.Qb3 (12.Qc2 Bf5 13.Qb3 Qb3 14.ab3 a6 15.Ne5 Nd5 16.Bc4 Nb6 17.g4=; 12.Qa4 a5 13.a3 Bd6 14.Nc3 Nc3 15.Bc3 b6 16.Rfc1 Rfe8 17.Rab1=; 12.a3 Bd6 13.Nc3 Nc3 14.Bc3 Qe6 15.Qa4 Nd5 16.Bb4 Bb4 17.ab4=) 12...Bd6 13.Nc3 Nc3 14.Qc3 Ng6 15.Rfe1 Rfe8 16.h3 Bd7 17.Bc4=.

11.d4 Rfe8 12.Ba3 (12.Nc3 Qa5 13.Qc2 c6 14.Rfc1 Bd6 15.Rab1 Ng6 16.Qb3 Re7 17.Rd1+=; 12.Qb3 Qb3 13.ab3 a6 14.Ba3 Ned5 15.Bb4 Nb4 16.Nc3 Kf8 17.Rfc1=; 12.Qa4 a5 13.Nc3 Qh5 14.a3 Bd6 15.h3 Bd7 16.Qc2 Ned5 17.Ne5=) 12...a5 13.Bb4 ab4 14.Nbd2 Nc6 15.a3 ba3 16.Ra3 b5 17.Rb3=.

11.d4 Ng6 12.Nc3 (12.Qb3 Bd6 13.Nc3 Qb3 14.ab3 a6 15.Ba3 Rfe8 16.Rfc1 Kf8 17.Bd6=; 12.Qa4 a5 13.Nc3 Qh5 14.Qb5 Qb5 15.Nb5 c6 16.a3 Be7 17.Nc3=; 12.a3 Bd6 13.h3 Be6 14.Nc3 Qa5 15.Nb5 Be7 16.Bc3 Qb6 17.Qe1=) 12...Bc3 (12...Qa5 13.Qc2 Bf5 14.e4 Nf4 15.Bc4 Bg4 16.d5 Bf3 17.gf3=) 13.Bc3 Ne4 (13...Rfe8 14.Qb3 Ne4 15.Rfc1 Ng5 16.Qd5 Rd5 17.Rab1=) 14.Qc2 (14.Bb4 Rfe8 15.Rc1 a5 16.Be1 Re7 17.Bc4=) 14...Kh8 (14...Rfe8 15.Bb4 (15.Rfe1+= Qf5 16.Bd1 Bf3 17.Bf3+=) 15...Bf3 16.Bf3 Nh4 17.Be4+=) 15.Rfc1 (15.Bb4 Rfe8 16.Qc7 Bf3 17.Bf3+=) 15...a5 (better is 15...Rfe8!?+= 16.Qb3 Kg8 17.Qd5+=) 16.Ba5!+/– b6 (16...Qa5 17.Qc7 Double attack (17.Qe4 Deflection; 17.Qc7 Decoy; 17.Qe4 Overloading); 16...Rd7 17.h3+–) 17.Bb4+– c5 18.dc5 bc5 19.Bc3 (19.Bc5 Rc8 20.Bc4 Qc5 21.Qe4 Bf3 22.gf3 f5+–) 19...f5 20.Bc4! Qc6 (20...Qc4 21.Bg7 Double attack) 21.Ne5 (better is 21.Ne1!?+/–) 21...Ne5= 22.Be5 Rd2 23.Qb3 Rf2 (23...Nf2? 24.Bg7 Kg7 25.Qc3 Qf6 26.Qd2+–) 24.Bd5 Qg6 25.Rc2? (better is 25.Bg3 Rd2 26.Be4 fe4 27.a3+=) 25...Be2?? (better is 25...Bd1! 26.Rf2 Bb3 27.Be4 Qe6-+) 26.Bg3!+– c4 (26...Ng3 27.Kf2 Deflection) 27.Qb4 (27.Bc4 Bc4 28.Qc4 Rc2 29.Qc2 Ng3 30.hg3 Qg3=) 27...Qf6 28.Rac1 Rd8 (28...Ng3 29.hg3 Rf1 30.Rf1 Bf1 31.Kf1+–) 29.Bf2 Bd3 (29...Nf2 30.Kf2 (worse is 30.Re2 Nd3 31.Qc4 Nc1+–) 30...Bd3 31.Rc4 (31.Bc4?! Bc2 32.Rc2 f4+–) 31...Bc4 32.Qc4+– (32.Rc4?! Rd5 33.Rc8 Rd8 34.Rd8 Qd8+–)) 30.Be4 (worse is 30.Bc4 Bc2 31.Rc2 Qg5+–) 30...fe4 31.Rd2 1–0. Kamaletdinov,Farit (1945) – Mesnyankin,Nikita (1790), 2012.

11.Bf6 gf6 12.a3 Bd6+/– (12...Ba5 13.Nc3 Qh5 14.Qa4 Bc3 15.dc3 Nd5 16.Rfc1 a6 17.h3+/– 1.00) 13.Nc3 Qh5 14.Ne4 Nd5 15.h3 Be6 16.Nd6 Rd6 17.Qb1+/–.

11.Bf6 gf6 12.Qa4 Qa5 13.Qb3 Nd5 14.a3 Bd6 15.Qb7 Rb8 16.Qc6 Rb2 17.Qc4+/–.

11.Bf6 gf6 12.Nc3 Qh5 13.Qb3 Nc6 14.a3 Bc3 15.dc3 b6 16.Qa4 Rd6 17.Rfd1+/–.

11.Bf6 gf6 12.Nd4 Be2 13.Qe2 c5 14.Nc2 Nc6 15.Rc1 Ba5 16.Nc3 Qe6 17.Rd1+=.

11.Bf6 Bf6 12.d4 Qa5 13.Nbd2 Rfe8 14.h3=.

11.h3 Bf3 (11...Bf5 12.Nc3 Qd7 13.d4 (13.Rc1=+ a6 14.d4=+) 13...a6 14.Qb3=+; 11...Be6 12.Bf6 Bf6 13.d4 Rfe8 14.Nbd2=) 12.Bf3= Qb5 (12...Qd7 13.Qb3 Nb4 14.Be5=) 13.Qc1 (13.Qb3 Qa6 14.Rc1+=) 13...Nb4 (13...Na5 14.Bf6=) 14.a4 (14.Qc7 Rd7 15.Qc3 Nd3=) 14...Qb6 (14...Qa5 15.Qc4= (worse 15.Bb7 Qb6-+)) 15.a5+= Qb5 (15...Qd6 16.Bb7 Rb8 17.a6+=) 16.Nc3 (16.Qc7 Rd7 17.Qe5 Qd3+–) 16...Qd3 (16...Qd7 17.d4=) 17.Bb7+= Qd2 18.a6 Qd7 19.Rd1 Qf5 20.e4 Qh5 21.Nd5 Nbd5 22.ed5 Nd5 23.g4 Qh3 24.Bd5 Rd5 25.Rd5 Qg4 26.Kf1 Qh3 27.Ke2 Qg4 28.Kd3?? (better 28.Kf1 Qh3 29.Ke2 Qg4 30.Kf1=) 28...Qf3-+ 29.Kc4 Rb8 30.Bc3 (30.Qc3 Qe2 31.Rd3 Qe6 (31...Rb2 32.Re1 Rb4 33.Qb4 Qg4 34.Rd4 Qd4 35.Kd4 Bb4 36.Re8 Bf8 37.Ra8+–; 31...Qb2 32.Qb2 Rb2 33.Re1+–) 32.Rd5 Qc6 33.Kd4 Bf6 34.Re5 Be5 35.Ke5 Qg2-+) 30...Qe2 31.Rd3 Qe6 (31...Qf2 32.Qe3 Qh4 33.Rd4+–) 32.Rd5 Qc6 (32...Rb5 33.Qh1 Qe2 34.Rd3 Rc5 35.Kb4 Rd5 36.Kb3 Qd3 37.Qd5 Qd5 38.Kc2 Qf5 39.Kb3 Qf2 40.Re1-+) 33.Kd4 Bf6 34.Re5 Be5 35.Ke5 Rb5 (better 35...Qc4!? 36.Bd4 Re8 37.Kf4 Qd4 38.Kg3-+) 36.Kf4 Rc5 37.Ra3 (37.Qb2 g5 38.Ke3 Rc3 39.Kd2-+) 37...Qh6 38.Ke4 Qc1 39.Rb3 f5 (39...Qc2 40.Kd4 Qf2 41.Kd3 Rd5 42.Ke4 Qf5 43.Ke3 Rd3 44.Ke2 Qf3 45.Ke1 Rd1) 40.Kd4 Qd1 (40...Qd1 41.Kc5 Qb3-+; better 40...Rc6 41.Ke5 Qc2 42.f3-+) 0–1. Feoktistov,Alexey (2430) – Hanssen,Gunnar Berg (2120), NNM for lag Vadso–Tromso Norway, 2005.

11.0-0 Bf3 12.Bf3 Qe5 13.d4 Qa5 14.Bc6 bc6 15.a3 Bd6 16.Qg4 (16.Nd2 Qf5+/-) 16...Kh8 (16...Qg5!? 17.Qh3 Rfe8+/-) 17.Qf3+- c5 18.Qf6 Kg8 19.Qg5 Kh8 20.Rd1 Rg8?? (20...f5!? 21.Nd2 cd4 22.ed4 Qd5+/-) 21.Qf5 (better 21.Qf6 Rg7 22.Qd8 Rg8 23.Qf6 Rg7 24.Nd2+-) 21...Rg7 22.Nd2 Rdg8 23.g3 Rg5 24.Qf6 R8g7?? (24...R5g7 25.Nc4 Qa4 26.Rac1 cd4 27.Rd4+-) 25.Nc4 (better 25.Rab1 c6 26.Qd6+-) 25...cd4 (25...Qa4 26.Nd6 cd6 27.Qd6 cd4 28.Rd4 Qe8+-) 26.Na5 (26.Na5 Be5 27.Qe7+-) 1-0. cucosant2 (1775) - GGCPH53 (1810), Rated Blitz game, lichess.org, 2020.

11.0-0 Kh8 12.d3 Rg8=+ 13.d4 (13.Kh1 Bf3 14.Bf3 Qd3 15.Qd3 Rd3=+) 13...Qh5 (better 13...Bh3 14.g3 Bf1 15.Qf1 f5-/+) 14.h3? (14.a3 Bh3 15.Ne1 Bg2 16.Ng2-+ (16.Bh5?? Bf3 17.Bg6 Rg6 18.Ng2 Rg2 19.Kh1 Rg1 20.Kg1 Rg8)) 14...Bh3-+ 15.Ne1 (15.g3 Bf1 16.Qf1 Qh6-+) 15...Qg6 (15...Qh4 16.Nf3 Rg2 17.Kh1-+) 16.g3 Bf1 17.Bf1 Ne5! 18.Nd2? (18.de5 Rd1 Pinning (18...Rd1 Deflection)) 18...Ng4 (better 18...c5 19.Ndf3 cd4 20.ed4 Be1 21.Ne1 Qe4-+) 19.Rb1?? (better 19.Ndf3-+) 19...Bd2 20.Qd2 (20.Rb3 Be1 21.Qe1 b6-+) 20…Qb1 0-1. cucosant2 (1795) - LexIL (2450), Casual Blitz game, lichess.org, 2020.

11.0-0 Kh8 12.d4 Rg8 13.Nbd2?? (better is 13.Kh1!?=) 13...Bh3?? (better is 13...Bd2 14.Qd2 Bf3 15.Bf3 Qf3-+) 14.g3-/+ Ne7 (14...Bf1!? 15.Nf1 a6-/+) 15.e4 (15.Re1 c5+=) 15...Qd7 16.Re1 Ng6 (16...c5 17.Rb1=) 17.Bf1 (17.Rb1 c5+=) 17...Nf4 (17...Bf1 18.Rf1 f5 19.Qc2=) 18.Kh1 (18.Rb1 Bf1 19.Rb4-/+ (19.Kf1?? Qh3 20.Kg1 Qg2; 19.Rf1? Qh3 20.Ne1 Rd4 21.Rb4 Rb4-+)) 18...Ng6 (better is 18...Bg4 19.Re3 Qd4+=) 19.Rb1+/– Bd2 20.Qd2 (20.Bh3 Qh3 21.Qd2 b6+/–) 20...Bg4 21.Bg2 White prepares the advance d5 21...b6 22.d5 Ne5 23.Qf4 Qe7 24.Rb3 Bc8 (24...Bf3 25.Bf3 (25.Rf3? Nf3 26.Bf3 Rd5-+) 25...c6 26.Bg2+/–) 25.Nd4 c5 26.Nf5 Qf8 (26...Bf5 27.ef5 Qd6+=) 27.h3 (27.Qh4 Rg6+/–) 27...Ng6 (27...c4!? 28.Rbe3 Nd3 29.Rd3 cd3+=) 28.Qf3 (28.Qc7!? Rd7 29.Qc6+/–) 28...Ne5+= 29.Qf4 (29.Qc3!? Bf5 30.ef5+=) 29...c4= 30.Rc3 Qb4 (30...Nd3!? 31.Rd3 cd3+=) 31.Qh4 Rg6 32.Rec1 b5 33.Nd4 Bd7 34.Ne2 Kg7 35.g4 Rg8 36.Nf4 Rh6 37.Qg3 Kh8 38.Nh5?? Ng4! 39.hg4 Bg4 40.Qf4 Rh5 41.Kg1 Qe7 42.Rg3 Be2 43.Rcc3 Qe5 44.Rg8 Kg8 45.Rg3 Kf8 46.Qe3?? Qa1 0–1. vlladimir (1640) – madik, gameknot.com, 2014.

11.a3 Qa5 12.Ra2 Bd6 13.Rb2 a6 14.Rb7+–.

11.a3 Ba5 12.0-0 Qh5 13.h3 Bc8 14.Nd4 Qg5 15.f4 Qg7 16.Nc6 bc6 17.f5 Qg5 18.h4 Qg3 19.Rf3 Qe5 (19...Qh4!? 20.Rf4 Qh6=) 20.d4+– Qe7 21.Qa4 Bb6 22.Nc3 c5 23.d5 Qe5 24.e4 Kh8 25.Qc4 Rg8 26.Raf1 Bb7 27.Rh3 (27.Rd1 c6=) 27...c6= 28.Bf3 (28.Rd1!?=) 28...Qd4=+ 29.Qd4 cd4 30.Na4 cd5 31.ed5 Ba5 (31...Bd5 32.Bd5 Rd5 33.Nb6 ab6 34.Rb3=+) 32.Rd1 Bd5 (32...Rd5 33.Bd5 Bd5 34.Rd4 Bg2 35.Re3 Bc6 36.Kf1 Bb5 37.Kf2 Ba4 38.Ra4=) 33.Rd4 Bb3 34.Rd8 Rd8 35.Bc6 Rd1 36.Kf2 Bc2 37.Rf3 Rd6 38.Bb5 a6 39.Be8 Rd8 40.Re3 (better 40.Bc6!?=+) 40...Ba4-/+ 41.Ba4 Bb6 42.Kf3 Be3 43.Ke3 Rg8 44.Bc6 Rc8 45.Bd5 Rc3 46.Kd4 Ra3 47.Kc5 Ra5 48.Kd4 Ra4 49.Kc5 (49.Bc4 h5-+) 49...Rf4 50.Bf7 Kg7 51.Bc4 a5 52.g3 (52.Be6 Rh4 53.Bd5 a4-+) 52…Rg4 0–1. Degterev,Pavel (2460) – Diele,Ralf, 60yearsBdF–WS14, 2006.

11.a3 Ba5+= 12.Nc3 Qe6 13.Qb1 b6 14.Qb5+=.

11.a3 Bd6 +=.

10.0-0 Rad8 11.d4 Rfe8 12.Qb3 Ng5 13.Bc4?? Nf3-+ 14.gf3 Qf3 15.d5 Bh3 16.dc6 Qg2# 0–1. TT12 – mtra, internet, 2002.

10.0-0 Rad8 11.d4 f5 12.Nbd2 Bd2 13.Nd2 Be2 14.Qe2 Rfe8 15.Rfc1 f4 16.Nf3 fe3 17.fe3 Rd7 18.Re1 Rde7 19.Ba3 Re6 20.Qd3 Nf6 21.Re2 Ne7 22.Rae1 h6 Black gets in control 23.e4+/– Qd7 24.e5 Nfd5+= 25.Rf2 Nf4 26.Qc4 Ned5 27.Nh4 Rc6 28.Qb3? Rc3-+ 29.Qb7 Ra3 30.Re4 Rf8 31.Nf3 Nh3 32.gh3 Raf3 33.Rf3 Rf3 34.Re1 Rf8 35.Qb3 Qf7 36.Kh1 Qf3 37.Qf3 Rf3 38.Rb1 Rd3 39.Rb7 a6 40.Ra7 Ra3 41.Kg2 a5 42.h4 Kf7 (42...Kf7 43.Kf2 Ra2 44.Kf3 Ke6-+) 0–1. Nebe,Lutz – Borrmann,Fritz, corr SOK–87–27, 1987.

10.0-0 Rad8 11.d4 f5 12.h3 Bh5 13.Qb3 Qb3 14.ab3 a6 15.Ba3 Ba3 16.Na3 Nb4 17.Rfc1 c6 18.Bc4 Bf7 19.Ne5 Bc4 20.bc4 Rf6 (20...c5 21.f3 Nd2 22.Rd1= (worse 22.dc5 Rfe8 23.f4 Nd3 24.Nd3 Rd3-/+)) 21.Rab1 (21.c5 Nd5+/-) 21...a5 (better 21...c5!?=) 22.c5+/- f4 23.Nac4 fe3 24.fe3 Nd5 25.Rb7 h5? (25...a4 26.Re1+-) 26.Ra1 Ra8? (26...Ndc3 27.Kh2 (27.Ra5?! Ne2 28.Kh2 Rf1=) 27...a4 28.Rc7+-) 27.Nb6 (27.Ra5?! Ra5 28.Na5 Ne3+/-) 27...Ra6 28.Nd5 cd5 29.Rb8 (29.c6 Rac6 30.Nc6 Rc6 31.Ra5 h4+-) 29...Kh7 30.Rb5 a4 31.Rb4 (better 31.c6 Ra8 32.Rd5+-) 31...a3+/- 32.Rb3 a2 33.c6 Nd2? (33...Rf2 34.c7 Rc2 35.Rb2 Rb2 36.c8Q Rb1 37.Kh2=) 34.Rb2 Nc4?? (34...Rf1! 35.Rf1 Nf1 36.Ra2 Ra2 37.Kf1 g5+-) 35.Rba2 (better 35.c7 Rac6 36.Nc6 Rc6 37.Rb7+-) 35...Ra2+/- 36.Ra2 Ne5 37.de5 Rc6 38.Ra5 Kg6 39.Rd5 Re6?? (better 39...Rc2+/-) 40.Rd6+- Kf5 41.Re6 Ke6 42.Kf2 Ke5 43.Kf3 Kf5 44.h4 (better 44.e4 Kf6 45.Ke3 g5+-) 44...Ke5 (44...g5 45.e4 Kf6 46.hg5 Kg5+-) 45.e4 Ke6 46.Kf4 Kf6 47.e5 Ke6 48.Kg5 Ke5 49.Kh5 Kf5 50.g4 (better 50.g3 Kf6 51.g4+-) 50...Kf6= 51.g5 Kf5 52.g6 With the decisive threat Kf4 52...Kf6 53.Kg4 Kg6 54.h5 Kh7 55.Kg5 Kh8 56.Kg6 Kg8 57.h6 Kh8?? (better 57...gh6 58.Kh6=) 58.hg7 Kg8 59.Kh6 Kf7 60.Kh7 (60.Kh7 Ke7 61.g8Q Kd7 62.Qc4 Kd8 63.Qa2 Kc7 64.Kg6 Kb6 65.Qe2 Kc6 66.Qc4 Kb6 67.Kg5 Kb7 68.Kg4 Kb6 69.Kf3 Kb7 70.Qb5 Kc8 71.Qc6 Kd8 72.Kg4 Ke7 73.Kf5 Kf8 74.Qb7 Ke8 75.Ke6 Kd8 76.Qd7) 1-0. carlos78 (2240) - tamik (2385), Rated Blitz game, lichess.org, 2015.

10.0-0 Rad8 11.d4 Qh5 12.a3 Ba5 13.h3 Bh3 14.Nfd2?? Qg6-/+ 15.Bf3 Bd2 16.Nd2 Nd2 17.Qd2 Ne5 18.Qe2 Nf3 19.Qf3 Bf5 20.Rac1 Be4 21.Qh3 Rfe8 22.f3 Bd3 23.Rfe1 c6 24.e4 Bb5 25.Kf2 Qg5 26.Bc3 h6 27.Qg3 Qe7 28.d5 f6 29.Bd2 Qf7 30.Bh6= cd5 31.Rc7 Rd7-/+ 32.Rd7 Bd7 33.Rd1 Kh7-/+ 34.Be3 de4 35.Qc7 Re7 36.Qb7 ef3 37.Qf3=+ a6 38.Qd5 Qd5 39.Rd5 Kg6 40.Bc5 Rf7 41.Be3 Bf5 42.Rd6=+ Bc8 43.g4 Bg4 44.Ra6 Rc7 45.Bd4 Rc2 46.Ke3=+ Re2 47.Kd3 Rh2 48.Ra7 Rh3 49.Kd2 Bf5 50.Ke2 Kh6 51.a4= Bd3 52.Kf2 Bc4 (52...Rh4 53.Rd7=+) ½–½. pierre – MirceaH, internet, 2006.

10.0-0 Bf3 11.Bf3 Ne5 12.Qc2?? (better is 12.Be5 Qe5 13.d4+=) 12...Nf3-+ 13.gf3 Ng5 (13...Nd2?! 14.Nd2 Qd2 15.Qb3-/+) 14.Rc1? (better is 14.e4 Nf3 15.Kg2 Nh4 16.Kh1-+) 14...Qf3 15.d3 Qh3 16.f3 Nf3 17.Kf2 Nh2 18.Qc7 Ng4 19.Kg1 Qe3 20.Kg2 Qe2 21.Kh3 Nf2 22.Kg3 Qb2 (22...Qb2 23.Qc2 Qa1 24.Kf2 Qf6 25.Kg2 Qg5 26.Kh1 Rad8-+) 0–1. Courreges,Fernando (2045) – Lopez Gonzalez,Daniel (2125), Malaga–ch, 2005.

10.0-0 Ng5 11.Ng5 Be2 12.Qe2 Qg5 13.Nc3 Bc3 (13...Rfe8 14.a3 Ba5 15.f3=) 14.Bc3+= a5 (14...Rab8 15.Rab1+=) 15.Rab1 Rab8 (15...Ra7 16.Rb5 Qg6 17.e4+–) 16.Rb5 Qg6 17.d4 b6 18.e4 Rfe8 19.f3 Na7 20.Rbb1 Qc6 21.Rfc1 Qe6 (21...Qd6 22.Qb2+–) 22.Qb2 (22.Qa6 Nc8 23.d5 Qd7+–) 22...c6+– 23.Rd1 White prepares d5 23...Nb5? (better 23...f6+–) 24.d5+– Qh6 25.Be5 (25.Bd2 Qf6 26.Qf6 gf6 27.dc6 Nd4+–) 25...Rbd8 (25...Nd6!? 26.Bg3 c5+–) 26.dc6 Qc6? (26...Rd1 27.Rd1 Qc6 28.Bg7 Rc8+–) 27.Rdc1 (27.Rdc1 Qe6 28.Bg7+– (28.Qb5?! Qe5 29.Qe5 Re5+–)) 1–0. UncleBulgaria (2420) – Karl_Childers (1905), ChessWorld.net, 2014.

10.Nc3 Qe6 11.Ne4 Qe4 12.0-0=+.

10.h3 Bf3 11.Bf3 Ne5 12.0-0 Nf3 13.Qf3 f5 14.Rc1 Rf7 15.Bd4 c5 16.a3 Ba3 17.Ra3= cd4 18.Rd3 Qa5 19.Rd4 Rd8 (19...Rd8 20.Rd8 Qd8=). Sokolski – Litvinov, 1959.

10.h3 Bf3 11.Bf3 Ne5 12.0-0 Nf3 13.Qf3 f5 14.Re1 Rad8-/+ 15.Rd1 Qd3 16.a3 Bc5 17.Bc3? f4-+ 18.Qg4 Rf7 19.ef4 Nf2 (19...Nf2 20.Qf3 Nd1 21.Kh1 Rf4 22.Qf4 Bf2-+) 0–1. Maughton,BH – Vehre,John, corr ICCF, 1977.

10.h3 Bh5 11.0-0 Rad8 12.d3 Nc5 13.d4 Ne4 14.Qc2 Nd6 (14...Bg6!? 15.Qb3 a6=) 15.Nc3= Bc3 16.Bc3 f5 17.Qb3 Qb3 18.ab3 Ne4 19.Bc4 (19.Rfc1 f4+=) 19...Bf7= 20.Rfc1 a6 21.Ba5 Na5 (21...Bc4 22.Rc4 Rd7 23.Bb4=) 22.Ra5+= g6 23.Ne5 Bc4 24.bc4 Ra8 25.Rca1 Ra7 26.c5 Rfa8 27.Nc4 Nf6 28.f3 Nd7 29.c6 bc6 30.Kf2 Rb7 31.Ra6 Ra6 32.Ra6 c5 33.dc5 Nc5= 34.Rc6 Nd3 35.Ke2 Nb4 36.Rc5 Kf7 37.g4 Ke6 38.gf5 gf5 39.e4 fe4 40.fe4 c6 41.Rh5 Kf6 42.Kd2 Kg6 43.Rf5 Rb5 44.Ne5 Kg7 45.Ke3 Rc5 46.Kf4 Rc3 47.Rg5 Kf6 48.Ng4 Kf7 49.Rh5 Kg6 ½–½. Marsak,VD – Kronberg,Sven_Ake, corr ICCF WT–H–189, 1979.

9.a3 Ba5 10.Be2 Qd6 11.0-0 Rad8 12.Qa4 Bf3 (12...Be6 13.Rc1 Bb6 14.d4=) 13.Bf3 Nb6 14.Qc2 (better 14.Qh4 Nd5 15.Rc1+=) 14...Ne5 (better 14...Qd3 15.Qd3 Rd3=) 15.Be5+/- Qe5 16.d4 Qb5 (16...Qg5 17.Bb7 Nd5 18.Nd2+/-) 17.Bb7+- Nd5 18.Bc6 Qb6 19.Rc1 Rd6 20.Bd5 Rd5 21.Nc3 Bc3 22.Qc3 Rd7 (22...Rc8 23.Rab1 Rb5 24.Rb5 Qb5 25.Qc6+-) 23.Rab1 Qg6 24.Rb7 Qa6 25.Qc6 (worse 25.Rc7 Rc7 26.Qc7 Qa3+-) 25...Rd6 (25...Qa3 26.Ra7 Qa7 27.Qd7+-) 26.Qc7 (26.Qa6 Ra6 27.Rcc7 Ra3 28.Ra7 Ra7 29.Ra7 Rd8+-) 26...Qa3 27.Ra7 Qb2 28.Rb7 Qd2 29.Rbb1 (29.Rcb1 Rdd8 30.R7b2 Qd3+-) 29...Ra6 30.Qc2 Qa5 31.Qc3 (31.Rb7 Qd5 32.Qc8 Ra8+-) 31...Qf5 32.Qc5 Qg4 33.h3 Qe2?? (33...Qe4+-) 34.Rc2 (34.Rb8 Qf2 35.Kf2 Ra2 36.Ke1 Re2 37.Ke2 h6 38.Rf8 Kh7 39.Qf5 g6 40.Qf7) 34...Qd3 (34...Qc2 35.Qc2 Ra7+-) 35.Qc4 (35.Rb8 h6 36.Qf8 Kh7 37.Qh8 Kg6 38.Rg8 Kh5 39.Qg7 Qd1 40.Kh2 Qh1 41.Kh1 Ra1 42.Kh2 Rh1 43.Kh1 f5 44.g4 fg4 45.Qg4) 35...Qg6 36.Rd1 Rfa8?? (36...Rd8 37.Qd3+-) 37.d5 (37.Qc8! Rc8 38.Rc8) 37...h5 (37...h6 38.Rcc1+-) 38.e4 (38.Qc7 h4+-) 38...Ra1 (38...Ra4 39.Qc6 Qe4 40.d6 Qc6 41.Rc6+-) 39.Ra1 Ra1 40.Kh2 Qd6 41.g3 Qb6 (41...Qg6+-) 42.Qc5 (better 42.Qc8 Kh7 43.Qf5 Qg6 44.Qg6 Kg6 45.Rc6 Kh7 46.Kg2+-) 42...Qb1= 43.Rc1?? (better 43.Qc8 Kh7 44.Qf5 Kh6 45.Rc6 f6 46.Rf6 gf6 47.Qf6 Kh7 48.Qf7 Kh6 49.Qe6 Kg7 50.Qe7 Kg6 51.Qd6 Kf7 52.Qd7 Kf8 53.Qf5 Ke7 54.Qe6 Kd8 55.Qd6 Ke8 56.Qe5 Kd7 57.Qe6 Kd8 58.Qf6 Kd7 59.Qc6 Kd8 60.Qd6 Ke8 61.Qc6 Kf8 62.Qf6 Ke8 63.Qe6 Kd8=) 43...Qc1-+ 44.Qc1 Rc1 45.Kg2 Rd1 (45...f5 46.ef5 Rc3 47.g4-+) 46.Kf3 Kf8 (46...f5 47.Ke2 Rd4 48.ef5 Rd5 49.g4-+) 47.Kf4 Ke7 48.f3 Re1 49.e5 (49.Kg5 Rg1 50.Kf4 Kd6-+) 49...g6 50.h4 Rd1 51.Ke4 Rc1 (51...f6 52.ef6 Kf6 53.d6-+) 52.Kf4 (52.f4 Rc3-+) 52...Rc2 (52...f6 53.ef6 Kf6 54.d6-+) 53.g4 (53.Ke4 Rg2 54.Kf4 f6 55.ef6 Kf6-+) 53...hg4 54.fg4 Rc4 55.Kf3 Rc3 (better 55...Rd4!? 56.h5 gh5 57.gh5 Rd5 58.Kf4-+) 56.Ke4 (56.Kf4-+) 56...Rc4 57.Kf3 Ra4 (57...Rd4 58.h5 gh5 59.gh5 Rd5 60.Kf4-+) 58.h5 gh5 59.gh5 Rh4 60.Kg3 (60.h6 Rh6 61.Ke4 f6 62.ef6 Kf6-+) 60...Rh5 61.Kf4 Rh4 62.Kg5 (62.Kf5 Rh1-+) 62...Ra4 (better 62...Rd4 63.Kf5-+) 63.Kf5 Ra5 64.d6 Kd7 65.Kf6 Re5 (better 65...Ra1 66.Kf7 Rf1 67.Kg6 Ke6-+) 66.Ke5= f6 67.Kd5 f5 68.Ke5 f4 (68...f4 69.Kf4 Kd8=) 0-1. Knight286 (2195) - selivladik (2105), Rated Blitz game, lichess.org, 2016.

9.a3 Ba5 10.Be2 Qe7 11.0-0 Rad8 12.Qc2 Nf4-/+ 13.Bd1 Nd3 14.Bc3 (14.Nc3!?-/+) 14...Bb6-+ 15.h3 Bf5 16.Qb3 Be6 17.Qc2 Bc4?? (17...Qd6 18.Bb2-/+) 18.Be2?? (better 18.Bg7 Kg7 19.Qc4+/-) 18...Ndb4?? (better 18...Qe6 19.Bb4 Rfe8-+ (19...Ncb4?! 20.ab4 Bb5 21.Qc3=+)) 19.Bb4+- Nb4 20.Qc4 (20.Qc4 Nd5 21.Nc3+-) 1-0. Knight286 (2105) - malvolio (2155), Rated Blitz game, lichess.org, 2016.

9.a3 Bd6 10.Nc3 Nf6 (10...Nc3 11.Bc3 Qe7 12.Qb3=+) 11.d4 Qe7 (11...Rb8 12.Be2=) 12.Nb5 a6 (12...Rac8 13.Be2=) 13.Nd6 Qd6 14.Qc2 (14.Be2 Rae8=) 14...Bf3 15.gf3 Rfe8 16.0-0-0 (16.Rd1 Rad8=) 16...Rad8=+ 17.Rg1 (17.Bd3 Qd5=+) 17...b5 (17...Qh2 18.Rg3 Rd5 19.f4+=) 18.Bd3 h6 (18...Ne7 19.Rg2=) 19.Rg2 Kh8 20.Rdg1 Rg8 21.Qc5 (21.Kd2 Ne7=) 21...Qe6 22.Bf5 (22.e4 Na5 23.Qb4 Qb6=) 22...Qe8 23.e4 Nh5 (23...Na5 24.Kb1 Nc4 25.Bc1=) 24.d5 Now all is on g7 24...Ne5 25.Qc7 Nd3 (25...Nf3!? 26.Qb6 f6=) 26.Kb1+= Nb2 27.Kb2 a5 (27...Nf6+=) 28.Rg4 (28.Bg4!? Nf6 29.Qa5+–) 28...b4= 29.Rh4 Nf6 30.Qf4 (better 30.ab4 Rb8 31.Qd6 Rb4 32.Kc3=) 30...Nh7?? (better 30...ba3 31.Ka3 Nh7 32.Bh7 Qf8 33.Ka2 Qc5 34.Bg8 Qc2 35.Ka1 Qc3 36.Kb1 Qb3 37.Ka1 Qc3 38.Ka2 Qc2 39.Ka3 Qc3 40.Ka2 Qc2=) 31.Bh7+– Qa4 32.Qe3 ba3 33.Ka1 (33.Qa3 Rb8 34.Kc3 Rgc8 35.Kd2 Qd4 36.Qd3 Rb2 37.Kd1 Qd3 38.Ke1 Rc1) 33...Qc2 Threatening mate: Qb2 34.Qc1 Qc1 35.Rc1 Kh7 36.Rc7 (36.Ka2 g5 37.Rh3 Rc8 38.Rc8 Rc8 39.Ka3 Rc4+–) 36...Rc8 (36...g5 37.Rh3 (37.Rf7? Kg6-+) 37...Kg7 38.Rc6+–) 37.Rc8 (better 37.Rf7!? Rc2 38.f4+–) 37...Rc8+= 38.e5 (38.Ka2 g5 39.Rh3 Rc2 40.Ka3 Rf2+=) 38...Kg6 39.Rf4 (39.Rd4 Kf5 40.Re4 h5+=) 39...Rc5 (39...Rc1 40.Ka2 Rh1+–) 40.Rd4+= Kf5 41.f4 (41.d6 Rc8 42.Rd5 g5+=) 41...Rc8 (41...g5+=) 42.f3 (42.d6!?+=) 42...g5= 43.Ka2 gf4 44.Re4 White intends e6 44...Rd8 (44...Rc2 45.Ka3 Rc3 46.Ka4=) 45.e6 (45.d6 Rc8+=) 45...fe6 46.de6 Re8 47.e7 ½–½. Koslowski,Volker (1985) – Meyer,Torben, DESC, 2003.

9.a3 Bd6 10.Be2 Nb6 11.Qc2 (11.0-0 Na5=) 11...Re8 12.d4 (12.0-0 Re6 13.h3 Bh3 14.gh3 Rg6 15.Kh1 Qd7=) 12...Qf6 (12...Bf3 13.Bf3 Qh4 14.Kf1=) 13.Nbd2 Bf5 (13...Nd5 14.Bd3 Nf4 15.Bh7 Kh8 16.0-0 Ne2 17.Kh1+–) 14.Bd3 (14.e4 Qe7 15.Bd3 Be4 16.Ne4 f5 17.Qb3 Qe6 18.Qe6 Re6=) 14...Bd3 15.Qd3 Na4 (15...Qg6 16.Qg6 hg6 17.0-0-0=) 16.Qb5 (16.Qc2 Nb2 17.Qb2 Na5=) 16...Nb2 (16...Nb6 17.Qd3=) 17.Qb2 b6 (17...Na5 18.0-0=) 18.0-0 Na5 19.Qc2 (19.e4 Bf4 20.e5 Qe6=) 19...Rad8= 20.Ne4 (20.Rfc1 c5=) 20...Qg6 21.Nfd2 (21.Ne5 Be5 22.de5 Re5 23.Qc7 Nc6=) 21...c5=+ 22.dc5 Bc5 23.Rfc1 Bd6 (23...Be7 24.h3=+) 24.Nd6= Qc2 (24...Rd6 25.Nf3=) 25.Rc2 Rd6 26.Ne4 (26.g3 f6=) 26...Rdd8 (26...Rd7 27.Rac1=) 27.Nd2 g6 (27...Rd3 28.g4=) 28.Kf1 Re7 (28...Rd3 29.Ke2 Red8 30.Raa2=) 29.Rac1 (29.Ke2 Rd5=) 29...Kg7 (29...Rd3 30.a4=) 30.Ke2 Red7 31.Ne4 Rd3 (31...Re7 32.Nd2=) 32.Rc3 (32.Rc7 R8d7+=) 32...Rc3 33.Rc3 Rd7 34.g4 f5 35.gf5 gf5 36.Ng5 (36.Ng3 Kf6=) 36...h6 (36...Re7 37.f4=) 37.Ne6 (37.Nf3 Kf6+=) 37...Kf7 (37...Kf6 38.Nf4=) 38.Nd4+= f4 39.Nc6 (39.Nf5 Kf6 40.e4 h5=) 39...Nc6= 40.Rc6 fe3 ½–½. Lais,Klaus Joerg – Schmitz,Andreas Arnold (2115), Wuerzburg op, 1998.

9.a3 Be7 10.Be2 Re8 11.0-0 Qd6 (11...Bd6 12.Nc3 Nc3 13.Bc3=) 12.Nc3 Rad8 13.d4 Nb6 (13...Bf5 14.Rc1=) 14.Ne4 (14.Qc2 Qe6=) 14...Qg6=+ 15.Ng3 Bd6 16.Bd3 Qh6 (16...Bf3 17.gf3 Qh6 18.f4=) 17.h3 (17.Nf5 Qh5 18.Nd6 Rd6-/+ (18...cd6?! 19.h3 Be6 20.Rc1=)) 17...Be6 (17...Bg3 18.hg4 Bd6 19.g5=) 18.Nf5 Bf5 19.Bf5 Ne7 (19...a6 20.Qc2=) 20.Bd3 Ned5 (20...c6 21.Qc2=) 21.Bc1 (21.Qc2 Qh5=) 21...Qh5 (21...c5 22.e4 Nf4 23.e5+=) 22.Qc2 (22.e4 Nf4+=) 22...c6 23.Bd2 (23.Rb1 Rd7=) 23...Kh8 (23...Rd7 24.a4=) 24.Rfb1 Rd7 25.Rb3 (25.a4 Na8+=) 25...Ne7 (25...Kg8 26.e4 Ne7 27.a4+–) 26.e4 (26.a4 Rc8+=) 26...Rc8 27.e5 Bb8 28.Re1 h6 29.Bb4 Nbd5 30.Be7 Ne7 31.g4 (31.g4 Qh3 32.Bf5+–) 1–0. Jaeger,Eric – Steinman,Arthur, WS/O/147 ICCF, 2007.

9.a3 Be7 10.Be2 Bf6 11.d4= Nce7 (11...Re8 12.0-0=) 12.0-0 c5 13.Nbd2 cd4 14.Nd4 Be2 15.Qe2 Rc8 16.Rac1 Qa5 17.Ne4 Be5 (17...Bd4!? 18.Bd4 A) 18...Qa3? 19.Ra1 Qb4 20.Rfb1+- (20.Ra7 Nc6=+); B) 18...Rc1 19.Rc1 Qa3=) 18.Nb3+/- Qb6 19.Be5 Qb3 20.Rb1 Qa3 21.Rb7 Ng6 (21...Rc6!?+=) 22.Bd6+/- Qa4? (22...Nc3!? 23.Qf3 Qa6 24.Bf8 Ne5+-) 23.Qg4 (23.Bf8?! Qe4 24.Bg7 Kg7 25.Qb2 Rc3=) 23...Qc6 24.Bf8 (24.Ra7?! f5 25.Qg5 fe4 26.Bf8 Rf8=+) 24...Qb7 25.Nd6 Nf6 (25...Qc7 26.Qc8 (worse 26.Nc8 Nf8 27.Qe4 Nb6 28.Ne7 Kh8+-) 26...Nf8 27.Qc7 Nc7 28.Nc8+-) 26.Qc8 (26.Qc8 Qc8 27.Nc8 Kf8 28.Ra1+-; 26.Nb7?! Ng4 27.Bc5 Rb8=) 1-0. Knight286 (2180) - Philly_Door (2240), Rated Blitz game, lichess.org, 2016.

9.Bb5 Qd6 10.Qc2 Bf3 11.gf3 Ne5 12.Qe4 (better is 12.a3 c6 13.Be2=) 12...c6?? (better is 12...Ng6=) 13.Be5+– (13.Qe5?! Qe5 14.Be5 cb5=) 13...Qe6 14.Rg1 f6 (14...g6 15.Bc4+–) 15.Bd4 Qh3 16.Bc4 Qh2 17.Qg4 Rf7 18.Bf6! (18…Bf8 19.Bd4+–) 1–0. Trkn – guest1318, ICC, 2004.

9.Bb5 Ne5 10.Be5 c6 11.Be2 Re8 (11...Qe7 12.Bd4+–) 12.Bb2 Re6?! (12...Bd6+–) 13.Nd4 Be2 (13...Qh4 14.g3 Be2 15.gh4 (15.Ke2?! Qh5 16.Ke1 Qe5+–; 15.Ne2?! Qh3+–; 15.Qe2?! Qe4 16.f3 Qe5+–) 15...Bd1 16.Ne6+– (16.Kd1?! Rg6+–)) 14.Ne6 (14.Ne2?! Qh4 15.Nbc3 Rd8+–; 14.Ke2?! Re8+–; 14.Qe2?! Rg6 15.0-0 Qh4+–) 14...Bd1 15.Nd8 Ba4 (15...Bc2 16.Nb7 Rb8 17.Ke2 Rb7 18.Rc1+–) 16.Nb7 Rb8 17.Nc3 (better 17.a3 Bf8 18.e4 Rb7 19.Bd4+– (19.ed5?? Re7 20.Be5 Re5 21.Kf1 Bb5 22.d3 Bd3 23.Kg1 Re1)) 17...Bc2?? (17...Bc3 18.Bc3 Rb7+–) 18.Nd5 cd5 19.Rc1 Bf5 (19...Be4 20.Bd4 Rb7 21.Rc8 Bf8 22.Bc5+–) 20.Rc7 h6 (20...Bc8 21.Nc5+–) 21.Be5 Bd3 (21...Rc8 22.Rc8 Bc8 23.Nd6+–) 22.Rf7! Rc8 (22...Kf7 23.Bb8) 23.Rg7 Kf8 Do you see the mate threat? 24.Rc7 (24.Rc7 Rc7 25.Bc7+–) 1–0. Roldan,Antonio – Silling,Michael John, IECG, 1999.

9.Bb5 Nce7 10.0-0 Bd6 11.d4 Ng6 12.Bd3 c6 13.Nbd2 Kh8 14.h3 Bd7 15.Rb1 (15.Ne4 Be7+=) 15...Rb8 (15...Re8 16.Ne4 Be7 17.Nc5+=) 16.Nc4 Bc7 17.Ba3 Re8 18.Bg6 (18.Nd6 Bd6 19.Bd6 Nc3+=) 18...fg6= 19.Nce5 Be5 20.Ne5 (worse 20.de5 Nc3 21.Qc2 Nb1 22.Rb1 b6-/+) 20...Be6 21.Qd2 (21.Qc2 Nf6+=) 21...Nf6 (21...Qg5 22.Qa5+=) 22.f3 Kg8 (22...Qc7 23.e4+=) 23.Bc5+– a6 24.e4 Nd7 (24...Qc7!? 25.Qb4 a5+– (25...Ba2? 26.Rb2 a5 27.Qa3+–)) 25.Bd6+– Ne5 26.Be5 (26.de5?! b5=; 26.Bb8 Nc4 27.Qf4 Qb8 28.Qb8 Rb8-/+) 26...Qd7 27.Bb8 Rb8 28.Rb6 Qf7 (28...Rd8 29.Rfb1 Qd4 30.Qd4 Rd4 31.Rb7+–) 29.Qb4 Bc4 30.Rc1 Be2 (30...Bb5+–) 31.Rbc6! Bf3 (31...bc6 32.Qd6 Double attack (32.Qb8 Pinning; 32.Qb8 Deflection; 32.Qd6 Decoy; 32.Qb8 Clearance)) 32.Rc8 (32.Rc8 Qe8 33.Qb3 (33.gf3?! Rc8 34.Rc8 Qc8+–) 33...Kh8 34.Qe6 (34.Qf3?! Rc8 35.Rc8 Qc8+–) 34...Rc8 35.Rc8 h6 36.Re8 Kh7 37.Qg8) 1–0. woschkat (1995) – rudy (1860), net–chess.com, 2001.

9.Bb5 Nde7 10.0-0 a6 (10...Re8 11.h3 Bh5 12.a3=+) 11.Bc4 b5 (11...Nd5 12.Nc3 Nb6 13.Be2=+) 12.Be2 Bd6 (12...Re8 13.a4=) 13.d4= Nd5 14.Nbd2 (14.a4 b4=) 14...f5 (14...Re8 15.a4 Rb8 16.ab5 ab5 17.Re1=) 15.Qb3 Nce7 (15...Bb4 16.Bd3=) 16.Rfc1 (16.a4 c6=) 16...Kh8 (16...Qd7 17.h3 Bf3 18.Bf3=) 17.a4+= c6 18.ab5 cb5 19.h3 Nc3?? (better is 19...Bh5=) 20.Bc3+– (20…Bh5 21.Ba5+–) 1–0. Rook,I – Walmisley,R, corr ch GBR teams, 1997.

9.Bc4 Re8 10.0-0 Nb6 11.Be2=+ A) 11...a5 12.a3 (12.h3 Be6 13.Qc2 Be7 14.Rc1 Bf6 15.Bf6 Qf6 16.Nc3; 12.Nc3 Bf3 13.Bf3 Nc4 14.Bc1 N4e5 15.Be4 Nd3 16.f3) 12...Bd6 13.Nc3 Bf5 14.d4 Qf6 15.Qd2 Bg4 16.h3; B) 11...Qd7 12.Nc3 (12.a3 Ba5 13.Nc3 Bf3 14.gf3 Rad8 15.Ne4 f5 16.Nc5; 12.h3 Be6 13.Na3 f6 14.Nc2 a5 15.Ncd4 Nd4 16.Nd4; 12.Qc2 Rad8 13.Rd1 Qf5 14.Qf5 Bf5 15.Nc3 Nd5 16.Nd5) 12...Bf3 13.Bf3 Nc4 14.Qb3 Qd2 15.Qc4 Qb2 16.Na4; C) 11...a6 12.Qc2 (12.a3 Bd6 13.Qc2 Qd7 14.Nc3 Ne5 15.Ne5 Be5 16.d4; 12.d4 Nd5 13.Qc2 Qd7 14.Nc3 Bf5 15.Qb3 Be6 16.Qc2; 12.h3 Be6 13.Qc2 h6 14.d4 Bd6 15.a3 Nd5 16.Nbd2; 12.g3 Qd7 13.Nc3 Nd5 14.Qb3 Rad8 15.Rac1 Be6 16.Qc2; 12.Nc3 Bf3 13.Bf3 Nc4 14.Bc6 bc6 15.Qb3 Qd3 16.Qb4) 12...Qd7 13.Nc3 Rad8 14.d4 Bf5 15.Bd3 Bd3 16.Qd3; D) 11...h6 12.Qc2 (12.a3 Bd6 13.Nc3 Bf5 14.d4 Na5 15.Nb5 Nac4 16.Bc3; 12.h3 Be6 13.Qc2 Qd7 14.Nc3 Nc4 15.a3 Ba5 16.Ne4) 12...Nd5 13.a3 Ba5 14.h3 Bh5 15.Nc3 Bg6 16.Qb3; E) 11...Rb8 12.a3 (12.Qb3 Be6 13.Qc2 Qd7 14.a3 Bd6 15.d3 Nd5 16.Nc3; 12.h3 Be6 13.Qc2 Qd7 14.d3 Nd5 15.Nbd2 f6 16.Ne4; 12.d4 Nd5 13.Qc2 Qd7 14.Nc3 Bf5 15.Qb3 Bc3 16.Bc3) 12...Bd6 13.Qc2 Ne5 14.Be5 Re5 15.Nc3 Rc5 16.d4; F) 11...g6 12.a3 (12.h3 Be6 13.Na3 Bd5 14.d3 Qe7 15.Nb5 a6 16.Nc3; 12.Qc1 Bf5 13.Nc3 Bd3 14.a3 Be7 15.Bd3 Qd3 16.Qb1; 12.Nc3 Bf3 13.Bf3 Nc4 14.Bc1 Qf6 15.Qb3 Bc3 16.Qc3; 12.Qc2 Nd5 13.Nc3 Nc3 14.dc3 Bf5 15.Qb3 Bd6 16.Rfd1; 12.Na3 Qd7 13.Qb3 Nd5 14.h3 Na5 15.Qd1 Bf5 16.Nc2) 12...Be7 13.Qc2 Bf5 14.e4 Be4 15.d3 Bf3 16.Bf3; G) 11...Qd6 12.a3 (12.Qc2 Qg6 13.Qg6 hg6 14.Nc3 Rad8 15.a3 Bc3 16.Bc3) 12...Ba5 13.Qc2 Nd5 14.Ng5 Qh6 15.Bg4 Qg5 16.Bd7; H) 11...Bf5 12.Nc3 (12.a3 Bd6 13.Nc3 h6 14.Nb5 Nd5 15.Bc4 Nb6 16.Be2) 12...Bd3 13.Nd4 Be2 14.Nce2 Nc4 15.Qc2 Nb2 16.Qb2; I) 11...Bd6 12.Nc3 Bf3 13.Bf3 Nc4 14.Bc1 Qg5 15.Rb1 Rab8 16.Bd5; J) 11...f6 12.a3 (12.Nc3 Be6 13.a3 Bd6 14.d4 Na5 15.Qc2 Bc4 16.Rab1; 12.d4 Nd5 13.a3 Ba5 14.Qb3 Qd6 15.Nc3 Bc3 16.Bc3; 12.h3 Be6 13.Qc2 Qd7 14.Bd3 Kh8 15.a3 Bd6 16.Re1) 12...Bd6 13.Qc2 Qd7 14.Nc3 Qf5 15.Qb3 Qe6 16.Qe6; K) 11...Be6 12.Qc2 (12.Nc3 Nc4 13.Qc2 Bd6 14.a3 Rb8 15.d4 Qf6 16.d5; 12.Na3 Bd5 13.Qc2 Bf3 14.Bf3 Qd2 15.Rab1 Qc2 16.Nc2; 12.a3 Be7 13.Qc2 Qd5 14.Nc3 Qb3 15.Qb3 Bb3 16.Nb5; 12.d4 Qf6 13.a3 Bd6 14.Nbd2 Bf5 15.Qb3 Qg6 16.Nh4; 12.Qc1 h6 13.d4 Bf5 14.Nc3 Qd6 15.Nb5 Qe7 16.a3) 12...h6 13.a3 Bd6 14.d4 Nd5 15.Nc3 Nc3 16.Bc3.

9.Bc4 Re8 10.0-0 Re4 A) 11.d3 A1) 11...Re7 12.a3 (12.h3 Bh5 13.a3 Ba5 14.g4 Bg6 15.Qb3 Nb6 16.Nh4) 12...Ba5 13.Qb3 Bf3 14.gf3 Nb6 15.Nc3 Ne5 16.Rad1; A2) 11...Re8 12.a3 (12.h3 Bh5 13.a3 Ba5 14.Qb3 Nb6 15.Nbd2 Nc4 16.Nc4) 12...Ba5 13.h3 Bh5 14.Qb3 Nb6 15.Nbd2 Nc4 16.Nc4; B) 11.Be2 B1) 11...Qd7 12.h3 (12.Nc3 Bc3 13.Bc3 Rae8 14.h3 Bh5 15.Qb3 Ncb4 16.Rfe1; 12.a3 Ba5 13.h3 Bh5 14.Qc2 Rae8 15.Nc3 Bc3 16.Bc3) 12...Bf5 13.Nc3 Nc3 14.dc3 Bd6 15.c4 h6 16.Qd5; B2) 11...Be7 12.d4 (12.a3 Bf6 13.Nc3 Nc3 14.Bc3 Qe7 15.Qb3 Rb8 16.h3; 12.Nc3 Rb4 13.Qc2 g6 14.Nd5 Qd5 15.Qc3 f6 16.Ba3) 12...Re6 13.Ng5 Bg5 14.Bg4 Rd6 15.Nc3 Be3 16.Ne4; B3) 11...Qe7 12.Bd3 Rd8 13.Be4 Qe4 14.h3 Bf5 15.a3 Bd6 16.Nc3; C) 11.Bd3 Re6 12.h3 (12.a4 Nb6 13.Qc2 Bf3 14.Bh7 Kf8 15.gf3 g6 16.f4; 12.a3 Bd6 13.h3 Bf3 14.Qf3 Be5 15.Ra2 Bb2 16.Rb2) 12...Bh5 13.a3 Ba5 14.Be2 Qd6 15.Nc3 Bc3 16.Bc3; D) 11.d4 Re6 (11...Bh5 12.a3 Ba5 13.Qb3 Nce7 14.Nbd2 Re6 15.e4 Rb6 16.Qc2; 11...h6 12.a3 Ba5 13.h3 Bh5 14.Qb3 Nce7 15.g4 Bg6 16.Ne5; 11...a6 12.a3 Ba5 13.Qb3 Be6 14.Qb7 Qe8 15.Bd3 Rg4 16.Rc1; 11...Rc8 12.a3 Ba5 13.Qb3 Be6 14.Nbd2 Bd2 15.Nd2 Rg4 16.Qb7) 12.h3 Bh5 13.Be2 Qe7 14.Nbd2 Nf4 15.Nb3 Ne2 16.Qe2.

9.Bc4 Re8 10.0-0 Ne5 11.Be2 (11.Be5 Re5 12.h3 (12.Nc3 c6 13.Bd5 cd5 14.Qa4 Bf3 15.Qb4 Rg5 16.g3) 12...Bf3 13.Qf3 Qd7= (13...g6 14.Rd1 Rf5 15.Qe4 Qd6 16.a3) 14.Nc3 Rf5 15.Qe4 Bc3 16.dc3) 11...Bd6 (11...Ng6 12.Nc3=+ (12.a3 Ba5 13.Qa4 Bf3 14.Bf3 c6 15.Nc3 Bc3 16.Bc3; 12.g3 Qd6 13.Nc3 h6 14.Nb5 Qb6 15.a3 Be7 16.Qa4) 12...Nc3 13.dc3 Qd1 14.Rfd1 Bd6 15.h3 Bf5 16.Nd4; 11...Bf3 12.Bf3 c6 13.Be2 b5 14.Qc2 Qd6 15.Rc1 Rac8 16.a4; 11...Nf3 12.Bf3 Bf3 13.Qf3 Qd6 14.Nc3 Bc3 15.Bc3 b5 16.Rac1) 12.Ne5= (12.Nc3 Nc3 13.Bc3 Qf6 14.Ne5 Be2 15.Qe2 Be5 16.Be5; 12.Be5 Be5 13.Ne5 Be2 14.Qe2 Re5 15.Nc3 Qe7 16.Rab1) 12...Be2 13.Qe2 Be5 14.Be5 (14.d4 Bd6 15.Nc3 c6 16.g3) 14...Re5 15.Nc3 (15.d4 Re6= (15...Rg5 16.Nd2) 16.Rc1) 15...Nc3 (15...c5 16.f4= –0.16/9 (16.Rab1 b6 17.Qf3=)) 16.dc3 Qf6 17.c4 (17.Rfd1 Qc6=) 17...Rd8 (17...Rae8 18.Rfd1=) 18.Rab1 (18.Qb2 b6=) 18...b6 19.Rfd1 Ree8 20.h3 g6 (20...c5 21.Qc2=) 21.Qg4 h5 22.Qe2 Qc6 (22...Rd1 23.Qd1 Rd8 24.Qc2=) 23.Qc2 Kg7 ½–½. Filipovich,Aliaksandr – Gruber,Mic (2130), Czech Chess Christmas, Litomysl CZE (1), 2005.

9.Bc4 Re8 10.0-0 Be6 A) 11.Qc2 A1) 11...Bd6 12.a3 (12.Re1 Ncb4 13.Qb3 c6 14.Nc3 b5 15.Nd5 Nd5 16.Be2; 12.Na3 Ncb4 13.Qe4 Nb6 14.Be6 Re6 15.Qg4 Rg6 16.Qf5; 12.Rc1 h6 13.Na3 a6 14.e4 Nf4 15.Re1 b5 16.Qc3) 12...Qe7 13.Re1 f6 14.Nc3 Nc3 15.Qc3 Bc4 16.Qc4; A2) 11...Be7 12.Na3 (12.d4 Ndb4 13.Qe2 Bc4 14.Qc4 Qd5 15.Qd5 Nd5 16.Nc3; 12.Nc3 Ne3 13.de3 Bc4 14.Rfd1 Nb4 15.Qe4 Bd3 16.Qb7; 12.a3 g6 13.d3 Na5 14.Nbd2 Nc4 15.dc4 Nf6 16.Rad1; 12.e4 Ndb4 13.Qc3 Bf8 14.Bb5 a6 15.Bc6 Nc6 16.Na3; 12.Qe4 Qd6 13.Ba3 Qd7 14.Be7 Re7 15.Nc3 Nc3 16.dc3) 12...a6 13.e4 Nf4 14.Qc3 Bf6 15.e5 Be7 16.Rae1; A3) 11...Ba5 12.a3 (12.h3 a6 13.a3 g6 14.Bd3 Qd6 15.Nc3 Nc3 16.dc3; 12.h4 h6 13.Na3 Qd7 14.Nd4 Nd4 15.Bd4 Bb6 16.Qb2; 12.d4 Ndb4 13.Qb3 Bc4 14.Qc4 Qd5 15.Nbd2 Rad8 16.Bc3; 12.Na3 Ncb4 13.Qe4 g6 14.Qd4 f6 15.Qh4 Bf7 16.e4; 12.Rd1 Qe7 13.Na3 Rad8 14.h3 Ndb4 15.Qb3 Bb6 16.d3; 12.e4 Nf4 13.Na3 Bb4 14.Rae1 Bc4 15.Nc4 Qd3 16.Qd3; 12.Qb3 Bb6 13.Na3 h6 14.g3 a5 15.Nc2 a4 16.Qd3; 12.d3 Ncb4 13.Qd2 c5 14.Nc3 Nc6 15.Qc2 Ndb4 16.Qb1) 12...Qe7 13.d4 Rad8 14.e4 Nf4 15.d5 Bg4 16.Nbd2; A4) 11...h6 12.Na3 (12.a3 Bd6 13.Be2 Qd7 14.Nc3 Bf5 15.Qb3 Nf6 16.Nb5; 12.d4 Bd6 13.Nbd2 Ncb4 14.Qb3 b5 15.Bb5 Ne3 16.d5; 12.h3 Qd6 13.Bd3 Ba5 14.a3 Rad8 15.Bh7 Kh8 16.Be4) 12...Bg4 13.Nb5 Bf3 14.gf3 Qg5 15.Kh1 Qh5 16.Rg1; A5) 11...Qe7 12.Bd3 (12.d4 Bd6 13.a3 Nf6 14.Bd3 g6 15.Nc3 Bg4 16.Nd2; 12.Bb3 Bd6 13.Nc3 Ndb4 14.Qb1 f6 15.Be6 Qe6 16.a3; 12.Re1 h6 13.Nc3 Nc3 14.Be6 Qe6 15.Bc3 Qc4 16.Rec1) 12...g6 13.a3 Ba5 14.Nc3 Rad8 15.Rab1 Bg4 16.Ne4; A6) 11...Bf8 12.a3 g6 13.d3 Bg7 14.Nc3 Nc3 15.Bc3 Rb8 16.Bg7; B) 11.a3 B1) 11...Bf8 12.Qc2 (12.Be2 g6 13.Nc3 Bg7 14.Qc2 b6 15.h3 Nc3 16.Bc3; 12.d3 Na5 13.Ba2 Nc6 14.Qc2 Ncb4 15.ab4 Nb4 16.Qa4) 12...g6 13.d3 Bg7 14.Nc3 Nc3 15.Bc3 Rb8 16.h3; B2) 11...Be7 12.Qc2 (12.Qe2 Na5 13.Ba2 Bf6 14.Nc3 Nf4 15.Qb5 c6 16.Qa4; 12.Be2 Bf6 13.Nc3 Nc3 14.Bc3 Bc3 15.dc3 Qf6 16.Qb1; 12.Ba2 Bf6 13.Nc3 h6 14.d4 Qd7 15.h3 a5 16.Ne4) 12...h6 13.Bd3 Nb6 14.Bh7 Kh8 15.Be4 Nc4 16.Nc3; B3) 11...Bc5 12.Qc2 h6 13.d4 Bd6 14.Nbd2 Qf6 15.Ne4 Qf5 16.Bd3; B4) 11...Ba5 12.Qc2 Nb6 13.Be6 Re6 14.h3 Rg6 15.Nc3 Nc4 16.Ne4; B5) 11...Bd6 12.Qc2 (12.Be2 Qe7 13.Qa4 Nb6 14.Qc2 h6 15.h3 Qd7 16.d3; 12.Ba2 Qd7 13.Nc3 Nb6 14.d4 Ba2 15.Ra2 Na5 16.e4) 12...h6 13.Be2 Qe7 14.Nc3 Nc3 15.Bc3 Bd5 16.Rfb1; C) 11.Be2 C1) 11...h6 12.Qc2 (12.Nc3 Qd7 13.Qc2 Rad8 14.Bb5 Bf5 15.Qb3 Bc3 16.Bc3; 12.a3 Ba5 13.Qc2 Qd6 14.d4 Qd7 15.Bd3 Nf6 16.Nc3; 12.h3 Qe7 13.a3 Ba5 14.Qc2 Rad8 15.Rd1 Rd6 16.Nc3) 12...Qd7 13.Nc3 Rad8 14.Bb5 Bg4 15.Ne4 Bf3 16.gf3; C2) 11...f6 12.Nc3 (12.a3 Bd6 13.Nc3 Nb6 14.d4 Bc4 15.e4 Qd7 16.h3; 12.Qc2 Bd6 13.a3 Qe7 14.Bd3 h6 15.Nh4 g5 16.Nf5; 12.h3 Qd6 13.Nc3 Qd7 14.Qc2 Bf5 15.Qb3 Be6 16.Qc2) 12...Nc3 13.dc3 Qd1 14.Rfd1 Bd6 15.Nd2 Rad8 16.Ne4; C3) 11...Bf5 12.Nc3 (12.a3 Bc5 13.Nc3 Qd7 14.d4 Bb6 15.Bc4 Be6 16.Qd3) 12...Nc3 13.dc3 Qd1 14.Rad1 Bd6 15.Nd4 Nd4 16.cd4; C4) 11...g6 12.Nc3 (12.h3 Qe7 13.Nc3 Rad8 14.Nd5 Bd5 15.d4 Qd7 16.Bd3; 12.a3 Ba5 13.Nc3 Nc3 14.Bc3 Bc3 15.dc3 Qf6 16.Qb1; 12.Na3 Qe7 13.Nc4 Rad8 14.Rc1 Nf6 15.Nce5 Bd5 16.d4; 12.Qa4 Nb6 13.Qc2 a5 14.Nc3 Qe7 15.a3 Bd6 16.Nb5; 12.Qc1 Qe7 13.Nc3 a5 14.d4 Nc3 15.Bc3 Bd5 16.h3; 12.g3 Qe7 13.Nc3 Rad8 14.Qc2 Bc3 15.Bc3 Bf5 16.Qb2) 12...Qe7 13.Qc2 Rad8 14.d4 Nc3 15.Bc3 Bf5 16.Qb3; C5) 11...a5 12.Nc3 (12.a3 Bd6 13.Nc3 Qd7 14.Qa4 h6 15.d4 Rad8 16.Qb5; 12.Qc2 g6 13.Nc3 a4 14.Nd5 Bd5 15.Rfd1 Qd6 16.h3; 12.Qa4 Qd7 13.Kh1 Nb6 14.Qb5 Qd5 15.Nc3 Qb5 16.Nb5) 12...g6 13.h3 Nc3 14.dc3 Qd1 15.Rfd1 Be7 16.c4; C6) 11...Qe7 12.a3 (12.Qc2 Rad8 13.Nc3 g6 14.Nd5 Bd5 15.d4 Rd7 16.h3; 12.Nc3 Nc3 13.dc3 Rad8 14.Qa4 Bc5 15.Rad1 Bd5 16.c4) 12...Bd6 13.Qc2 h6 14.Nc3 Nc3 15.Bc3 Bd5 16.Rfb1; C7) 11...Qd7 12.a3 (12.Nc3 Rad8 13.Nb5 Bf5 14.a3 Be7 15.Qb3 h6 16.Nbd4) 12...Be7 13.Nc3 Bf6 14.Rb1 Bc3 15.Bc3 b6 16.Bb2; C8) 11...h5 12.Nc3 (12.a3 Ba5 13.Qc2 Qe7 14.Nc3 Nc3 15.Bc3 Bc3 16.Qc3; 12.Qc2 Bd6 13.a3 Qd7 14.Nc3 Bf5 15.Qb3 Be6 16.Qc2; 12.h3 Bd6 13.Nc3 a6 14.Nd5 Bd5 15.Qc2 b5 16.a3) 12...h4 13.h3 Nc3 14.dc3 Qd1 15.Rfd1 Be7 16.c4; C9) 11...Ba5 12.Na3 (12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Qf6 15.Qb1 Rab8 16.Qc2; 12.Qa4 a6 13.Nc3 f6 14.Qh4 Qd7 15.Bd3 h6 16.Nd5) 12...Bf5 13.Nc4 Bb6 14.d4 h6 15.Bd3 Bd3 16.Qd3; C)) 11...Qd6 12.Nc3 (12.Qc2 g6 13.Nc3 Bc3 14.dc3 Rad8 15.Rad1 Bf5 16.Qb3) 12...Nc3 13.dc3 Qd1 14.Rfd1 Be7 15.e4 Rad8 16.Nd4; D) 11.Bb5 D1) 11...Bd6 12.Na3 (12.Nc3 a6 13.Bc6 bc6 14.Nd4 Bd7 15.Rb1 Rb8 16.Qh5; 12.a3 a6 13.Be2 Qe7 14.Qc2 f6 15.Nc3 Nc3 16.Bc3; 12.Be2 h6 13.Nc3 Qd7 14.h3 Bb4 15.Qc2 Rad8 16.Ne4; 12.Qa4 Nb6 13.Qc2 Nb4 14.Qc3 f6 15.Be8 Qe8 16.Ba3; 12.h3 a6 13.Be2 h6 14.Nc3 b5 15.d4 Nc3 16.Bc3; 12.g3 a6 13.Be2 h6 14.Nc3 b5 15.Nd5 Bd5 16.d3; 12.e4 Nf4 13.Nc3 Qf6 14.d4 Qg6 15.g3 Bg4 16.Nh4) 12...a6 13.Bc6 bc6 14.Qc2 Rb8 15.Nc4 c5 16.a3; D2) 11...Bf5 12.Nc3 (12.a3 Be7 13.Nc3 Bf6 14.Qb3 Nb6 15.Ne2 Be4 16.Bf6) 12...Nc3 13.dc3 Bd6 14.Nd4 Nd4 15.cd4 c6 16.Bd3; D3) 11...a6 12.Bc6 (12.Be2 Qd7 13.a3 Bd6 14.Nc3 h6 15.h3 Rab8 16.d4; 12.Ba4 b5 13.Bc2 Nb6 14.Be4 Bd5 15.Bd5 Qd5 16.Nc3) 12...bc6 13.Nc3 Bg4 14.h3 Bh5 15.a3 Bd6 16.Nd5; E) 11.Qe2 Na5 12.Bb5 (12.Bd5 Bd5 13.d3 Bf3 14.Qf3 Qd3 15.Bg7 Qe4 16.Qg3; 12.d3 Nc4 13.dc4 Nb6 14.Nbd2 Qd6 15.Be5 Qc5 16.Bd4; 12.Bb3 Nb3 13.ab3 Bg4 14.Nc3 Nf4 15.Qc4 Nh3 16.Kh1; 12.Bd3 Bg4 13.Bc2 c5 14.h3 Nf4 15.Qd1 Nc4 16.Bg7) 12...c6 13.Bd3 Bg4 14.g3 Nf6 15.Re1 b5 16.e4.

9.Bc4 Re8 10.Bd5 Qd5-/+ 11.h3 Ne5 (11...Bf5 12.Qb3 Qb3 13.ab3-+) 12.hg4 Nd3 13.Ke2 (13.Kf1!? Nb2 14.Qb3 Qd3 15.Ke1 Qb3 16.ab3 Nd3 17.Ke2=+) 13...Qc4-/+ Threatening mate: Nf4 14.Qg1 (14.Kf1 Nb2 15.Qe2 Qc1 (15...Qg4 16.Rh4 Qg6 17.Rb4+–) 16.Qe1 Nd1-+) 14...Nb2-+ 15.Ke1 Nd3 16.Ke2 Be7 (16...Rad8 17.Qh2 h6 18.g5 Ne5 19.Kd1 Nf3 20.Qf4 Qf4 21.ef4 Nd2 22.Kc2-+) 17.Qh2 Do you see the mate threat? 17...Nb4 18.Kd1 Qc2 19.Ke2 (19.Ke1 Bf6 20.Na3 Qd3-+) 19...Bf6 (19...Na2? 20.Ra2 Qc4 21.Kd1 Qb3 22.Kc1+–) 20.Ne1 Qc4 21.d3 Qg4 22.Kf1? (22.Kd2 Ba1 23.Qh7 Kf8 24.Rh4-+) 22...Qg6 (22...Ba1?! 23.Qh7 Kf8 24.Rh4-+) 23.d4 Bd4! 24.ed4 (24.Qh4 Re4 25.Qe4 Qe4 26.Nd2-+) 24...Qa6 25.Kg1 (25.Nd3 Qd3 26.Kg1 Re1) 25…Re1 0–1. Wartig,Wolfgang – Ramlow,Jens, corr, 1992.

9.Bd3 Re8 10.0-0 Kh8 11.Bc4 Ne5?? (11...Na5 12.Be2=) 12.Be2 (better 12.Ne5 Bd1 13.Nf7 Kg8 14.Nd8 Rad8 15.Rd1+-) 12...Bf3 13.Bf3 Nf3 14.Qf3 c6 (better 14...Qd7=) 15.Bg7?? (15.Qf7 Bf8 16.a3+/- (worse 16.Qb7 Rb8 17.Qa7 Rb2-/+)) 15...Kg7-+ 16.Qg4 Kf8 0-1. dimm (1660) - Rasmus1 (1740), Rated Classical game, lichess.org, 2014.

9.Bd3 Nf4 10.Bf1 Re8 11.a3-/+.

9.Be2 a5 10.a3 Bd6 11.Nc3 Nc3 12.Bc3 Qe7 13.Qa4 Be5?? 14.Ne5 Ne5 15.Bg4 Nd3 16.Kf1 c6 17.Bf5 b5 18.Qd4 (18.Qd4 Qg5 19.Qd3+–) 1–0. b4_player – opponent, gamecolony.com, 2008.

9.Be2 Ba5 10.0-0= Ndb4 11.d4 Bf5 12.a3 (12.Nc3 Nd5 13.Qb3 Be6=) 12...Nd5 (better 12...Nc2!?-/+) 13.Nbd2 Bg6 (13...Re8 14.Bb5=) 14.Rc1+= a6 15.Nc4 Bb6 16.Nb6 (16.Nfe5 Ne5 17.de5 Bf5+=) 16...Nb6 17.Qb3 Rb8 (17...Be4 18.Rfd1+=) 18.Ba6 (18.Ne5!? Ne5 19.de5+=) 18...ba6= 19.Rc6 Be4 20.Qc3?? (20.Rcc1 Nd5 21.Qa2 Bf3 22.gf3 Qg5 23.Kh1 Qh5-/+) 20...Bc6?? (20...Na4 21.Qc1 Bc6 (21...Rb2?! 22.Ra6 Rc2 23.Ra4 Rc1 24.Rc1-+) 22.Qc6 Nb2 (22...Rb2?! 23.Qa4 Qd5 24.Qa6=+) 23.Qa6 Rb3-+) 21.d5 Nd5?? (better 21...f6 22.dc6 Qd5=+) 22.Qg7 1-0. cucosant2 (1670) - vedran_r (1675), Rated Blitz game, lichess.org, 2020.

9.Be2 a6 10.0-0 Bd6 11.d4 Nf6 12.Nbd2 b5 (12...Re8 13.Nc4=) 13.Rc1 Ne7 14.e4 Bf4 15.d5 Bd2 (15...Ne4!? 16.Ne4 Bc1 17.Qc1 Qd5=) 16.Nd2+/- (16.Qd2?! Ne4 17.Qf4 Bf3 18.Bf3 Nd6=) 16...Be2 17.Qe2 Ng6 (17...Ne8 18.Rfe1+/-) 18.Nf3 (18.Qf3 Ne8+/-) 18...Ng4 (18...Re8 19.Bf6 Qf6 20.Rfe1+=) 19.h4 (better 19.Rfe1+/-) 19...N6e5?? (better 19...Nh4 20.Rc6 Re8=) 20.Ne5+- Ne5 21.Be5 Qh4 (21...Re8 22.Bc7 Qh4 23.e5+-) 22.Bg3 Qg5 23.Rc7 Rae8 24.Qc2 f5 (24...Rd8+-) 25.e5 (better 25.Bd6 fe4 26.Bf8 Kf8 27.d6+-) 25...f4 26.Bh2 f3 27.g3 (better 27.Bg3 Re5 28.d6 fg2 29.Kg2+-) 27...Qh5 28.Kh1 Qh3? (28...Re5 29.Rg7 Kg7 30.Qc7 Kg8-+) 29.Rg1+- Rf5 30.Qc6?? (better 30.g4 Rfe5 31.Rc8+-) 30...Qh2!! 31.Kh2 (31.Kh2 Rh5 Mate attack) 31…Rh5 0-1. cucosant2 (1605) – digitalKaos, Rated Blitz game, lichess.org, 2020.

9.Be2 Rc8 10.0-0 a6 (10...Re8 11.a3 Bd6 12.Nc3 Nc3 13.Bc3=) 11.d4 (11.Qc2 Bd6=) 11...Nf6 (11...Re8 12.a3 Bd6 13.Nc3 Nc3 14.Bc3=) 12.Nc3 (12.a3 Bd6=) 12...Qd7 13.Qb3 Be6 14.Bc4 (14.Qa4 Bd6=) 14...Bc4 15.Qc4 b5 16.Qb3 (16.Qd3 Rfe8=) 16...Be7 (16...Bd6 17.Rad1=) 17.Ne5 (17.Rfd1 Rfd8=) 17...Ne5 18.de5 Ng4 19.Nd5 (19.Ne4 Qe6=) 19...Qe6=+ 20.f4 (20.Nf4 Qf5=+) 20...Rfd8 21.Ne7 Qe7 22.h3 Nh6 23.g4 (23.Rad1!?=+) 23...c5-/+ 24.e6 (24.Rad1 c4 25.Qc2 Qh4=+) 24...c4 (24...fe6 25.Qa3 Qb7 26.Rac1-+) 25.Qc3 (25.ef7 Nf7 26.Qc3 Nd6-/+) 25...f6 (25...fe6 26.Qa5-+) 26.Ba3 (26.f5 Rd3 27.Qe1-/+) 26...Qa7?? (better 26...Qe6!? 27.f5 Qc6-+) 27.Rac1 (27.Rad1 a5=+) 27...a5-/+ 28.e7 (28.Rcd1-/+) 28...Rd7 (better 28...Re8 29.Qd4 Qd4 30.ed4 b4-+) 29.Rcd1=+ b4?? (better 29...Kf7 30.Rd7 Qd7 31.Qa5 Ng8=+) 30.Qc4!! (30.Qc4 Nf7 31.Qc8 Rd8 32.e8Q Re8 33.Qe8) 1–0. Rosiak,Bogdan – Kozlowski,Z, Gdynia Poland, 1986.

9.Be2 Qd7 10.0-0 Rad8 11.a3 Ba5 12.Qa4 a6 13.Rc1 Bb6 14.h3 (14.Rc4 Bf5 15.Nc3 Ba5=) 14...Nd4=+ 15.Qd1 Ne2 16.Qe2 Bh5 (16...Bf5 17.Nc3=+) 17.d4 Rfe8 18.Nbd2 Nf4 (18...Qe6 19.Qd3=+) 19.Qf1= Bf3 (19...Ne6 20.g4 Bg6 21.Ne5=) 20.Nf3 Ng6 (20...Nd5 21.a4=) 21.Rc2 (21.a4 a5+=) 21...Re6 (21...Qf5 22.Qc4=) 22.Rac1 (22.a4 a5+=) 22...Rde8 (22...Qd5 23.Bc3= (worse 23.Rc7 Bc7 24.Rc7 Rb6-/+)) 23.Nd2 (23.Qc4 Rc6 24.Qe2 Rd6=) 23...c6 (better 23...Nh4=) 24.Nb3 (better 24.Nf3+=) 24...Nh4-/+ 25.Nc5 (25.Nd2 Rf6-/+) 25...Bc5 26.dc5 (26.Rc5 Rg6 27.g4 f5 28.Qc4 Kh8-+) 26...Rg6-+ 27.g3 Nf3 28.Kh1 (28.Kg2 Qd5 29.Kh1 Nd4 30.Kh2 Nc2 31.Rc2 Re7-+) 28...Rh6 29.h4 (29.Rc4 Nd2 30.Rd4 Rh3 31.Kg2 Rh2 32.Kh2 Nf1 33.Rf1-+) 29...g5 (better 29...Nh4 30.Bg7 Kg7 31.gh4 Rh4 32.Kg1 Kh8-+) 30.Qg2?? (better 30.Rd1 Qe6 31.Rc4 gh4 32.g4=+) 30...Nh4!-+ 31.gh4 (31.gh4 Rh4 Pinning) 31...Rh4 32.Kg1 Rg4 33.f4 (33.f3 Rg2 34.Rg2 Re3 35.Rg5 Kf8 36.Bg7 Ke7 37.Re5 Re5 38.Be5-+) 33...Re3 34.Rf1 (34.Be5 Rg2 35.Rg2 g4-+) 34...Rg2 35.Rg2 g4 36.f5 (36.Be5 Ra3 37.f5 h5-+) 36...h5 37.Rh2 (37.Bf6-+) 37...Rg3 38.Rg2 Rg2 39.Kg2 Qd5 40.Kh2 Qd2 (40...Qd2 41.Kg3 Qb2-+) 0–1. Raue,Thorsten (1825) – Schoepper,Oliver (1820), Muensterland Verbandsklasse–B, 2008.

9.Be2 Qd7 10.0-0 Rad8 11.Nc3 Nc3 12.Bc3 =.

9.Be2 Qd7 10.0-0 Be7 11.d4= Bf5 12.Nbd2 (12.Qc1 Rad8=) 12...Nf6 (12...Qe6 13.Qb3=) 13.Nc4 (13.Bb5 Qd5 14.Qb3 Be6=) 13...Bd6 (13...Rad8 14.Qb3=) 14.Rc1 (14.Nd6 Qd6 15.Ne5 Be6+=) 14...a5 (14...Be7 15.Qb3+=) 15.a3 (15.Nfe5 Qe8+=) 15...a4 (15...Be4 16.Nfe5 Qe7 17.Bf3+=) 16.Bd3 (16.Nfe5 Qe8+–) 16...Be6 (16...Bd3!? 17.Qd3 Qe6+=) 17.e4+– Bc4 (17...Bf4 18.d5 Bc1 19.dc6 Qc6 20.Qc1+–) 18.Rc4 Be7 (18...Na5!? 19.Ra4 Nh5+–) 19.Qc2+– Rfc8 (19...Ne8 20.Ra4 Ra4 21.Qa4+–) 20.Rc1 (20.e5 Nd5 21.Bh7 Kh8+–) 20...g6 (better 20...Ne8+–) 21.d5 (21.Ra4?! Ra4 22.Qa4 Ne5+–) 21...Na5 22.Ra4 (22.Rc7!? Rc7 23.Qc7 Qd8+–) 22...b5 23.Rb4 (23.Ne5 Qe8 24.Rb4 Bb4 25.ab4 Nc4 26.Bc4 bc4 27.Qc4 Nh5+–) 23...c5 24.Rb5 c4 The passed pawn on d5 will quickly become a dangerous weapon 25.Ra5 cd3 26.Qd2 Ne4 (26...Rc1 27.Bc1 Ra5 28.Qa5 Ne4 29.Bh6+–) 27.Rc8 (27.Ra8 Ra8 28.Qd3 f5+–) 27...Qc8 (27...Rc8!? 28.Qd3 Bf6 29.Qe4 Bb2+–) 28.Ra8 Qa8 29.Qd3 Bf6 (29...Qa4 30.Ne5+–) 30.Bf6 (30.Qe4 Bb2 31.a4 Bg7+–) 30...Nf6 31.d6 Qc6 32.h3 Nd5 (32...Nd7 33.Kf1+–) 33.a4 (better 33.Ne5 Qc1 34.Kh2 Qf4 35.Qg3 Qg3 36.Kg3 Kf8+–) 33...Qd6 34.a5 Qc5 35.a6 Qc1 (35...Nc7 36.Nd2+–) 36.Kh2 Qc7 37.g3?? (better 37.Kh1 Nb4 38.Qb5+–) 37...Nb6? (better 37...Nb4 38.Qb5 Qa7+=) 38.Qe4+– (38.Qe4 Kf8 39.Qd4+–) 1–0. Neumann – Beyer,H, BdF, 1975.

9.Be2 Qd7 10.0-0 Rae8 11.d4 Kh8 12.a3 Ba5 13.Nbd2 Bc3 14.Qc2 Bf5 15.Qb3 Na5 16.Qa2 Nf4 17.Bd1 Bd2 18.Nd2 Bd3? (18...Nd3 19.Bc2 Qc6 20.d5+=) 19.Re1 (better 19.ef4!? Bf1 A) 20.Kf1?? Qb5 21.Nc4 Nc4-+ (21...Qc4?! 22.Qc4 Nc4 23.Bc3-+); B) 20.Nf1+–) 19...Qb5+= 20.Bf3 Ne2 21.Be2 Be2 22.Rac1 c6? (22...Rc8 23.Bc3 Nc6 24.Rb1+–) 23.Rc5?? (better 23.Bc3 b6 24.Bb4+–) 23...Qd3+= 24.Ba1 (24.Ra5? Qd2 25.Qb1 Qa5 26.Re2 f5-+) 24...b6 25.Rg5 f6 26.Rg3 Qb5 27.a4 Qa6 28.Rc1 Bh5 29.Nf3 Bf7 30.Qa3 Bd5 31.h4 Qe2 32.Re1 Qc4 (32...Qc2 33.Rc1 Qe4 34.Qd6=+) 33.h5 Nb3 34.Qd6 Rf7 35.h6 g6 (worse 35...Qa4 36.Rg7 Rg7 37.Qf6+–) 36.Bb2?? (36.e4!? Be6 37.d5 Na1 38.de6 Qe6 39.Qe6 Re6 40.Ra1 Re4 41.Rd1+–) 36...Qa4 (better 36...Kg8=+) 37.Nh4?? (better 37.e4 Bc4 38.d5+=) 37...Qa5 38.Rc1?? (38.Rd1 Nd2 39.Qa3 Qa3 40.Ba3-+) 38...Qb5 (better 38...Nc1 39.Bc1 Qe1 40.Kh2 Qc1 41.Rg4-+) 39.Re1 (39.Rc2 Be4 40.Rc3-+) 39...Qd3 (better 39...Nd2 40.Ba1 Ne4-+) 40.e4=+ Qd2 (40...Be4 41.Rd3) 41.Bc3+= Qh6 42.Ng6 hg6 (42...Qg6 43.Rg6) 43.Rh3 Qh3 44.gh3 Re4 45.Re4 Be4 46.d5 cd5 (46...Bd5 47.Bf6) 47.Bf6 Kg8 48.Qd8 Rf8 49.Qd6 Threatening f3 49...Nc5 50.Be7 (better 50.Qe7 Rf7 51.Qe8 Rf8 52.Qe7=) 50...Rf7-/+ 51.Qb8 Kg7 52.Bc5? (52.Qa7!? Nd3 53.Qa1 Kh7 54.Bf6-/+) 52...bc5-+ 53.Kf1 c4 54.Qe5 Kh7 55.Ke2 a5 56.Qa1 Ra7 57.Ke3 Rf7?? (57...a4 58.f3 Bf5 59.Qf6-+) 58.h4?? (58.Ke2 Bf3 59.Ke3-+) 58...Rf3 59.Kd4 Rf2 60.Qa5 Rf5 61.Qd8 Kg7 ½–½. Knobloch,Rainer – Helms,Sven, Landesliga LL, 2000.

9.Be2 Nde7 10.0-0= Qd6 (10...Re8 11.a3 Bd6 12.Nc3=) 11.d4 (11.a3 Ba5=) 11...Rad8 (11...Qh6 12.Ba3=) 12.h3 (12.a3 Ba5=) 12...Bh5 (12...Bf5 13.a3 Ba5 14.Nbd2=) 13.Nbd2 (13.a3 Ba5=) 13...Bg6 (13...Bd2 14.Qd2 Rfe8 15.Qc2=) 14.Nc4 Qd7 (14...Qe6 15.a3 Bd6 16.Qb3=) 15.Nce5 Ne5 16.Ne5 Qd6 (16...Qe8 17.Bf3 b6 18.Ng6 Ng6 19.Qc2+–) 17.a3 (17.Qb3 Nc6 18.Nc6 bc6+–) 17...Ba5+= 18.Ng6 Ng6 19.a4 (19.Qa4 Bb6+=) 19...c6 20.Rb1 (20.Ba3 Bb4 21.Bb4 Qb4+=) 20...Ne7 (20...Rfe8 21.Qb3 Bc7 22.g3+=) 21.Qb3+= Rb8 (21...Bc7 22.g3 b6 23.Ba3+=) 22.Ba3 Qf6 23.Bf3 (23.e4 Bb6 24.e5 Qg5+–) 23...Rfe8 24.Be7 (24.Qc2 Ng6+=) 24...Re7 25.Rfc1 Bc7? (better 25...Rd8=) 26.e4?? (better 26.Rc6! Bd6 27.Rc3+–) 26...Qd4=+ 27.Rc6 Qe5 (worse 27...bc6 28.Qb8 Qd8 29.Qd8 Bd8 30.Rb8+–) 28.g3?? (better 28.Rc2=+) 28…bc6-+ (28...bc6 29.Qc2 Rb1 30.Qb1 Qd4-+) 0–1. Felicione,Anthony (2095) – Di Berardino,Diego Rafael (2310), Internet Section, 2004.

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

9.Be2 Bf3 10.Bf3= Nce7 (10...Qd7 11.0-0=) 11.0-0 Bd6 (11...c6!?=) 12.e4+– Nf4 13.e5 Bc5 14.d4 Bb6 15.Bb7 Rb8 16.Bf3 Ba5 (better 16...Nf5!?=) 17.Ba3 (17.Bc1 Ned5+–) 17...Re8 18.g3 (18.Qa4 Bb6 19.Rd1 Ne6+–) 18...Nfd5 (18...Nh3 19.Kg2 Bb6 20.Bc5=) 19.Bg2 (19.Qd3 Bb4+–) 19...Nf5 (19...Bc3 20.Nc3 Nc3 21.Qc2 Qd4 22.Rfe1+=) 20.Be4 (20.Qd3 Nfe7+–) 20...Nfe7 (20...Bc3 21.Nc3 Nc3 22.Qd3 Nd4 23.f4=) 21.f4 (21.Qd3 f5 22.Bf3 Bb4+–) 21...Nc3 (21...Bb6 22.Rf2 Ne3-+) 22.Bh7+– Kh7 (22...Kf8!? 23.Qd3 Qd4 24.Qd4 Ne2 25.Kg2 Nd4+–) 23.Qd3+– Kg8 (23...Nf5 24.Bc5+– (24.Qf5?! Kg8 25.Qd3 Ne2 26.Kf2 Nd4+=; worse 24.Nc3 Qd4 25.Qd4 Nd4-/+)) 24.Nc3 Bb6 (24...Bc3 25.Qc3 Nd5 26.Qf3+–) 25.Ne2 (25.Rad1 Nd5+–) 25...Nc6 (25...c5 26.Rfd1 cd4 27.Bb2+– (27.Nd4?! Qd5 28.Rac1 Red8+=)) 26.Rfd1 Qd5 27.Rac1 Rbd8 (27...Re6 28.Bc5 Bc5 29.Rc5 Qa2 30.Nc3+–) 28.Bc5 Bc5 (28...Nd4 29.Bd4 c5+–) 29.Rc5 Qd7?! (29...Qc5 30.dc5 Rd3 31.Rd3+–) 30.d5 (30.Qc4!? Ne7 31.Rc7 Qg4+–) 30...Ne7 31.d6 (31.Qc4 Rc8+–) 31...cd6 32.ed6 (better 32.Qd6 Qe6 33.Qd8 Rd8 34.Rd8 Kh7 35.Rd2+–) 32...Nc8+– 33.Nc3 (33.Rh5 g6 34.Rd5 Re6+–) 33...Qd6 34.Qc4 (34.Qd6 Rd6 35.Rd6 Nd6+–) 34...Qb6 35.Nd5 (better 35.Rd8 Rd8 36.Qb5+–) 35...Qb2? (35...Qb8 36.Qb5 Nb6 37.a3+–) 36.Rc7?? (better 36.Rc8 Rc8 37.Ne7 Kh8 38.Nc8+–) 36...Kh8 (36...Nd6 37.Qc2 Qc2 38.Rc2+–) 37.f5 (37.Rf7?? Re2 38.Qe2 Qe2-+) 37...Nd6?? (better 37...Qe2 38.Qe2 Re2+–) 38.Qh4+– Kg8 39.Ne7 Kf8 (39...Re7 40.Qe7 Qb6 41.Kg2 Qb2 42.Kh1 Re8 43.Qd6 Qf2+–) 40.Qh8 1–0. Lehmann – Lenk,Erhard, corr DDR, 1972.

9.Be2 f5 10.0-0 Qd7 11.a3 Be7 12.Nc3=.

9.Be2 f5 10.0-0 f4 11.e4+= Nf6 (11...Nb6 12.Qb3 Rf7 13.d4+=) 12.e5 (12.a3 Bd6 13.Re1 Qe8+–) 12...Ne4 (12...Nd5 13.Re1=) 13.d4 (13.a3 Ba5+=) 13...Be6 14.Qc2 Bd5 (14...Ng5!? 15.Ng5 Qg5+=) 15.Bd3 (15.a3 Be7 16.h4 Bh4 17.Nh4 Qh4+–) 15…Ng5+= ½–½. Schmidt – Dachrodt, BdF, 1976.

9.Be2 f5 10.0-0 Kh8 11.Qb3 Nb6 12.d3 Be7 13.Nbd2 Bf6 14.Rad1 Bb2 15.Qb2 Qe8 16.h3 Bh5 17.Nb3 Na4 18.Qd2 Ne5 19.Nfd4 Be2 20.Ne2 (20.Qe2? c5 21.Nc2 Nc3-+) 20...Rf6 21.d4 Ng6 22.Qc2 Nh4? (better 22...Qd7!?+=) 23.Qc7+– Qe4 24.Nf4 g5 25.Nd2 Qe8 26.Nd5 Rh6 (26...Rf7 27.Qe5 Qe5 28.de5+–) 27.Nc4 (27.Qb7!? Rd8+–) 27...Rc6 28.Qe5 Qe5 29.Ne5 Rc2 30.Nb4 Rb2 31.Rb1 Rd2 32.Rfc1 a5 (32...f4 33.Nc4 fe3 34.Nd2 ed2 35.Rc2+–) 33.Nd5 b6 34.Rc7 Ng6 (34...Rf8 35.Nf7 Kg8 36.Nf6 Kg7 37.Ng5 Kh6 38.Ngh7 Rd8+–) 35.Ng6 hg6 36.Nf6 (36.Nf6 Ra7 37.Ra7 Rd1 38.Rd1 Nc3 39.Rh7; 36.Nb6?! Rb8 37.Rc8 Rc8 38.Nc8 Nb2+–) 1–0. Kukel,Imre (2010) – Kukla,Tomas (1720), SVK–ch op–A Banska Stiavnica, 2007.

9.Be2 f5 10.Nc3 Re8=.

9.Be2 Nf6 10.0-0 Qd6 11.d4 Rad8 12.a3 White is in command 12...Ba5 13.Nbd2 Rfe8 14.Nc4 Qe7 15.Na5 Na5 16.Ne5 Be2= 17.Qe2 Qe6 18.Rac1 Nc6 19.Nc6+/– bc6 20.Qa6 Rd6 21.Qa7+– Nd5 22.Rb1 Qe4+/– 23.Ba1 h5? 24.Rb8+– Rde6 25.Re8 Re8 26.Qc5 Re6 27.a4 Rg6 28.g3= h4 29.Qc1 hg3 30.hg3?? Rh6-+ 31.f3 Qh7 32.Kf2 Rh2 33.Ke1 If White now only could play e4... 33...Qd3 (33...Qd3 34.Qb2 Qe3 35.Kd1 Nc3 36.Qc3 Qe2 37.Kc1 Qf1 38.Qe1 Qe1#) 0–1. hal1958 – am, playchess.de, 2002.

9.Be2 Nf6 10.0-0 Bd6 11.Na3 Qe7 (11...Re8 12.h3 Bf5 13.Nb5+=) 12.Nc4 Rad8 (12...Ne4 13.d3 Ng5 14.Rc1+=) 13.a4 (13.h3!? Be6 14.Nd6 cd6 15.Qa4+=) 13...Bb4= 14.d4 Nd5 15.Qc2 Bh5 16.Ba3 (16.Nfe5 Be2 17.Nc6 bc6 18.Qe2 f6=) 16...Ba3 17.Na3 Bg6 18.Qc4 Nb6 (18...Na5 19.Qb5 b6 20.Nc4=) 19.Qb3= a6 20.Nc4 Nc4 21.Qc4 Na5 (better is 21...Be4!?=) 22.Qc3+/– Nc6 23.Bd3 (23.Ba6 Nd4 24.Nd4 c5+/– (24...ba6? 25.Nc6 Qd6 26.Nd8 Rd8 27.Rac1+–)) 23...Bh5 (23...Rd6 24.Rfb1 b6 25.Rb2=) 24.Nd2 Nb4 25.Be4 Nd5 (25...c5 26.Rab1=) 26.Qb2 (26.Bd5 Rd5 27.e4 Rd7+=) 26...b6 27.Rfc1 Bg6 28.Bg6 fg6 29.Rf1 a5 (29...c5 30.Qb3 Rf7 31.Nf3 cd4 32.ed4=) 30.Nc4+= Nb4 (30...Qb4 31.Qc2+=) 31.Ne5 c5 32.dc5 (32.Qb3 Kh8 33.Rfd1 Rd5+=) 32...bc5 (32...Rd5 33.f4 Qc5 34.Qb3=) 33.Rac1 Rd5 (33...Rf5 34.Qb3 Kh8 35.Nc4+=) 34.f4+= Rfd8 (34...Qe6 35.Qe2 g5 36.Qb5+=) 35.Qb3 (35.e4 Rd2 36.Qb3 Kf8+/–) 35...Kh8? (35...Nd3 36.e4 Nf4 (36...Nc1?? 37.Rc1 Kf8 38.ed5+–) 37.ed5 Qe5 38.d6 Qe6+–) 36.e4+– Rd4?? (better is 36...Re5 37.fe5 Nd3+–) 37.Nf7 (37.Nf7 Qf7 38.Qf7+–) 1–0. Jeriominas,Jurijus – Krusas,Algirdas, Vilnius LTU, Open, 2014.

9.h3 Bh5 (9...Bf5 10.Bb5=+) 10.Be2 Nf6 (10...Re8 11.0-0=+) 11.a3 Ba5 (11...Bd6 12.0-0=) 12.0-0 Ne4 (12...Re8 13.Qb3=) 13.d4 (13.d3 Ng5 14.Nbd2 Bd2 15.Nd2 Be2 16.Qe2 Ne6=) 13...Ne7 (13...Qd5 14.Qc2 Bg6 15.Bc4=) 14.Qb3 (14.Qc2 Bg6 15.Bd3 Nd6+=) 14...Bb6 (14...Nd5 15.Bc4 (worse 15.Qb7 Rb8 16.Qa7 Rb2 17.Qa5 Re2-+) 15...Nb6 16.Ne5 Nc4 17.Nc4=) 15.Qb5 (15.Rc1 Nd5+=) 15...Qd5 (15...Nd5 16.Rc1=) 16.Qd3 (better 16.Rc1=) 16...Bf3? (better 16...c5!?=) 17.Bf3+– (17.gf3?! Ng5 18.Kg2 Ng6=) 17...f5 18.Nc3 (better 18.Nd2 c6 19.Ne4 fe4 20.Qe4+–) 18...Qd6? (better 18...Qb3+–) 19.Ne4+– fe4 20.Be4 (worse 20.Qe4 c6+–) 20...Ng6 (20...c6 21.Bh7 Kh8 22.Be4+–) 21.Bb7 (21.a4 c5+–) 21...Rab8 (21...Rad8 22.Qc4 Kh8 23.Qc6+–) 22.Be4 c6 (22...c5 23.dc5 Qd3 24.Bd3 Bc5 25.Bc4 Kh8+–) 23.Rac1 (better 23.Qc4 Kh8 24.Qc6+–) 23...Bc7+= The mate threat is Qh2 24.g3 (24.f4 Rb2 25.Rc6 Qe7+–) 24...Rb2= 25.Rc6 (better 25.Qc4 Kh8 26.Qc6 Rbf2 27.Qd6 Rf1 28.Rf1 Bd6 29.a4 Bg3 30.Bg6 Rf1 31.Kf1 hg6 32.e4=) 25...Qd7?? (better 25...Rbf2! 26.Qc4 Kh8 27.Rd6 Rf1 28.Qf1 Rf1 29.Kf1 Bd6 30.Bg6 hg6=) 26.Qc4 (26.Qc3 Bg3 27.Qb2 Qh3+–) 26...Kh8 (26...Rf7 27.Bd5 (27.Bg6?! hg6 28.Qe6 Qe6 29.Re6 Rf3+=) 27...Bb6 28.Rc8 Nf8 29.Rb8 Bd4 30.Rb2 (worse 30.Qd4 Rb8 31.Qc4 Rb6-/+) 30...Bb2 31.Rb1 (31.Bf7?! Qf7 32.Qf7 Kf7+–) 31...Ba3 32.Rb7+– (32.Bf7?! Qf7 33.Qf7 Kf7+=)) 27.Rc7 (27.Bg6 Qh3 28.Bf5 Qf5=+) 27...Qh3 28.Bg2 (28.Rf7 Rbb8+–) 28...Qf5 29.Qd5 (better 29.Qc5 Qf6+–) 29...Qg4 (29...Qf6 30.Qc6 Qg5 31.Ra7+–) 30.Qd7 (better 30.Ra7!? h6+–) 30...Qd7 31.Rd7 h5 (31...a6 32.Ra7 Rb6 33.Be4+–) 32.Be4 (32.Ra7 Kh7+–) 32...Kh7 33.Bg6 (33.Ra7!? Kh6+–) 33...Kg6 34.Ra7 Kh6 (34...Rf3 35.a4+–) 35.a4 (35.e4 g5+–) 35...g5 36.Ra6 (36.Kg2 g4+–) 36...Kg7 37.Ra5 (37.Kg2 g4+–) 37...Kg6 38.f4 g4 (38...gf4 39.gf4 Re8 40.Rf3+–) 39.Rc1 (39.Rg5 Kf6+–) 39...Rf6 (39...Re8 40.Rc6 Kg7 41.Ra7 (41.Rh5?! Re3 42.Rc1 Rg3 43.Kh1 Ra3+–) 41...Kf8 42.Rh7+–) 40.Rg5 Kh6 (40...Kf7 41.Rc7 Ke6 42.e4 Rb1 43.Kf2+–) 41.Rcc5 (41.Rc8 Rg6 42.Rh8 Kg7 43.Rgh5 Rgb6 44.R5h7 Kf6 45.Rh6 Kf5 46.Rb6 Rb6+–) 41...Rb1 42.Kf2 Rh1 (42...Rb2 43.Kf1 Rh2 44.a5+–) 43.Kg2 Rh3 (43...Ra1 44.Rh5 Kg7 45.Rhg5 Rg6 46.Rg6 Kg6 47.a5+–) 44.Rc8 Rf7 (44...Kh7 45.e4+–) 45.Rh8 Rh7 46.Rh7 Kh7 47.a5 (47.a5 Kh8 48.a6+–) 1–0. Rohrbacher,W – Fellinger,N, Schwetzingen ch, 1993.

10.0-0 Rad8 11.a3 Ba5 12.Nc3 Bc3 13.Bc3 Nc3 14.dc3 Qc5 15.Qb3 b6 16.Rfd1 Be6 17.Qc2 Bd5 18.Ng5 g6 19.c4 Na5 20.Qc3 Qc6 21.Rd4 Bg2 22.Rh4 f6 23.Nh7 Rf7 24.Ng5 Rg7 25.Rg4 Bd5 26.Rd1 Rgd7 27.Qb4 Bh1 28.Rd7+= Rd7 29.f3 fg5 30.Kh1 Qf6 ½–½. pierre (2125) – jaskier (2165), internet, 2007.

10.0-0 Rad8 11.a3 Ba5 12.d4 Rfe8 13.Qb3 Bb6 14.Nc3 h6 15.Nd5 Qd5 16.Qd5 Rd5 17.Bc4 Rdd8 18.Bb5 f6 19.Bc6 bc6 20.Nd2 (better is 20.Rfc1!?+=) 20...c5+= 21.Nb3 cd4 22.Bd4 Bd4 23.Nd4 c5 24.Nb5 (better is 24.Nc6!? Rd5 25.Na7+=) 24...Be2+= 25.Rfb1 Bd3 26.Rb3 c4 27.Rb4 a5 28.Ra4 Re5 29.Nd4 (29.Ra5? c3 30.f4 Rb5 31.Rb5 Bb5-+) 29...c3 30.Rc1 c2! 31.Nc6?? (31.Nc2 Bc2 Combination) 31...Rdd5 (better is 31...Rb5 32.Nb4 ab4 33.ab4 Be2-+) 32.Ne5? (32.Rd4 Rb5 33.Ne5 fe5 34.Rd8 Kf7 35.Rc8-+) 32...fe5-+ 33.f4 Bb5 34.Rc2 Ba4 35.Rc4 Bb5 36.Re4 ef4 37.ef4 Rd1 38.Kf2 Rd2 39.Ke3 Rg2 40.Re5 Re2 41.Kd4 Re5 42.fe5 Kf7 43.Kc5 Bd7 44.Kd6 Be6 45.Kc5 Bb3 46.a4 Ba4 47.Kb6 Ke6 48.Ka5 Be8 49.Kb4 Ke5 50.Kc5 g5 51.Kc4 Kf4 52.Kd3 h5 53.Ke2 Bc6 54.Kf2 g4 55.Kg1 h4 56.Kf2 g3 57.hg3 hg3 58.Kg1 g2 59.Kf2 Be4 60.Kg1 Kf3 61.Kh2 Kf2 62.Kh3 g1Q (62...g1Q 63.Kh4 Bf3 64.Kh3 Qg3) 0–1. Jostov,Keylah – Tranquillo,Massimo, IECG, 2009.

10.0-0 Rad8 11.d4 Qh6=+ 12.Nbd2 Kh8 13.Nc4 Bf3 14.Bf3+= Nb6 15.Qc2 f5 16.Rac1 f4 17.Nb6+/– ab6 18.Bc6 bc6 19.Qc4 Bd6=+ 20.e4 f3 21.e5 fg2 22.Rfd1 Be7 23.Qc6 Qh4 24.Rc2 Rf5 25.f3?? Re5-/+ 26.Qc3 c5 27.d5 Bf6 28.Qb3 Re1 29.Re1 Qe1 30.Kg2 Qd1 31.Bf6-/+ gf6 32.Qb2?? (better is 32.Qc3 Rg8 33.Kh3-/+) ½–½. NN – NN, 1997.

10.0-0 Rfe8 11.a3 Ba5 12.Qa4 (12.Nc3 Rad8=) 12...Bd7 13.Qc2 Qh6 (13...Nf6 14.d4=) 14.Nc3 Nc3 (14...Be6 15.Rfb1=) 15.Bc3 Bc3 16.Qc3 Qf6 (better is 16...Qg6!?=) 17.Qf6+/– gf6 18.Rab1 Rab8 19.Rfc1 a6 20.Rc5 Re4 (better is 20...Be6+/–) 21.d4+– Re7 22.Rbc1 (22.d5 Bf5 23.Rbc1 Ne5+–) 22...Be8 (22...Bg4 23.h3 Bf3 24.Bf3+– (24.gf3?! Nd4 25.ed4 Re2+=)) 23.d5 Ne5 (23...Na7 24.Rc7 Rc7 25.Rc7+–) 24.Rc7 Rc7 25.Rc7 Kg7 (25...b5 26.g3+–) 26.Nd4 Bd7 (26...b5 27.f4 Ng6 28.g4+–) 27.f4 Bg4 (27...Rc8 28.Rc8 (28.fe5?! Rc7 29.e6 fe6 30.de6 Ba4=+) 28...Bc8 29.fe5 fe5 30.Nf3+–) 28.fe5 Be2 29.e6 Kf8 (29...Bg4+–) 30.e7 Ke8 (30...Kg7 31.Ne2 f5+–) 31.Nf5 (31...Rd8 32.Ng7) 1–0. Mehlhorn,U – Felten,H, BFO–072, 2000.

10.0-0 Qh6 11.Ba3 Qd6 12.Bb2 Qe7 13.a3 Bd6 14.Nd4 Be2 15.Ne2 Be5 16.d4 Bd6 17.Qb3 Nb6 18.Nd2 Qh4 19.Nf3 Qh5 20.e4 Bh2 21.Kh1 (21.Nh2 Qe2 Pinning (21...Qe2 Deflection)) 21...Bd6-/+ 22.Kg1 Na5 23.Qc2 Nac4 24.e5 Be7 25.Bc1 Qg6 26.Qa2 (26.Qg6 hg6 27.Re1 Rfe8-/+) 26...c6 27.Ne1 Rfd8 28.f4 Qf5 29.Nf3 c5 30.a4 a5 31.Rd1 cd4 32.Ned4 Bc5 33.Qf2 Qg4 34.Be3 (better is 34.Rd3-+) 34...Ne3 35.Qe3 Nd5 36.Qc1 Nf4 37.Ra2 b6 (better is 37...Ne6-+) 38.Kf1 Bd4 39.Rd4 Rd4 40.Nd4 Nd3 41.Qb1 Qd4 42.Qd1 Rd8 43.Rd2 h6 44.Re2 Rd5 45.Rd2 f6 46.Qc2 Kh7 47.g3 fe5 48.Kg2 e4 49.Re2 Nc5 50.Qb1 Qd3 51.Qf1 Na4 52.Rf2 Qf1 (52...Qf1 53.Rf1 Rd2 54.Kh3 Nc3-+) 0–1. Schwichtenberg,Juergen (1630) – Perk,Egbert (1910), Wch Seniors, 2002.

10.0-0 Rb8 A) 11.d3 A1) 11...Be6 12.Nbd2 Be7 13.d4 f5 14.Bb5 Ndb4=; A2) 11...Qd7 12.Nbd2 Rfe8 13.Ne4 Be7 14.a3 Rbd8=; A3) 11...Re8 12.Nbd2 (12.Nc3 Qf6 13.Rc1 Be6 14.Qd2 Nc3=+; 12.Qd2 Nb6 13.Rc1 Qd7 14.Qc3 f6=) 12...Bb4 13.Rc1 Qe7 14.Ne4 Ba3=; A4) 11...Ncb4 12.a3 (12.Nbd2 c5 13.Ne4 Re8 14.a3 Nc6=; 12.Qd2 Be6 13.Nc3 Re8 14.Ne4 Nc6=) 12...Nc6 13.Nbd2 Re8 14.Ne4 Qe7=; A5) 11...Bd7 12.Nbd2 (12.Na3 b5 13.d4 Ncb4 14.Nc2 Bf5=; 12.Nc3 Qf6 13.Qc2 Nc3 14.Bc3 Qg6=) 12...Re8 13.Ne4 Bf5 14.Nd6 Qd6=; A6) 11...Bb4 12.Nd4 Be2 13.Qe2 Nd4 14.Bd4 c5=; A7) 11...Qe7 12.Nbd2 Rfd8 13.Ne4 Ba3 14.Ba3 Qa3=; B) 11.d4 Re8 (11...Qf6 12.Nc3 Qh6 13.h3 Be6 14.Ne4 Be7=; 11...Bf5 12.Nc3 Nc3 13.Bc3 Re8 14.d5 Ne5=; 11...a6 12.Nc3 Ncb4 13.Ne4 Re8 14.Nd6 Qd6=) 12.Nc3 (12.Nbd2 Qf6 13.Bc4 Ncb4 14.Qb3 Qe6=) 12...Be6 13.Ne4 Be7 14.Bb5 Ndb4=; C) 11.Nc3 C1) 11...Qf6 12.Rc1 (12.Qa4 Bf5 13.Qb5 Nc3 14.Bc3 Qe6=; 12.Nd5 Qb2 13.d4 Be6 14.Bc4 Na5=; 12.d4 Nc3 13.Bc3 Rfd8 14.Rc1 Qh6=; 12.Qc2 Qh6 13.h3 Be6 14.Nb5 Rbc8=; 12.Rb1 Qh6 13.h3 Nc3 14.Bc3 Be6=; 12.Qb3 Nc3 13.Bc3 Qh6 14.h3 Be6=+) 12...Rfd8 13.d4 Nc3 14.Bc3 Qh6=; C2) 11...Be6 12.Ne4 Re8 13.Nd6 Qd6 14.Qb1 Rbd8=; C3) 11...Nc3 12.Bc3 Re8 13.Qc2 Qe7 14.d4 Qe6=.

10.0-0 Qd7 A) 11.Nc3 A1) 11...Be6 12.d3 (12.Ne4 Rad8 13.Nd6 Qd6 14.d4 Rfe8=; 12.d4 f5 13.Qb3 Nc3 14.Qc3 Rad8=; 12.Rb1 Rad8 13.Ng5 Rfe8 14.Ne6 Qe6=; 12.Qc1 Rad8 13.Ne4 Rfe8 14.Bb5 a6=) 12...Rad8 13.Nd5 Bd5 14.e4 Be6=; A2) 11...Nf6 12.Nb5 Be7 13.Rc1 Rad8 14.Nbd4 Nd4=; A3) 11...Qe6 12.Nb5 Rfe8 13.Qb3 Rad8 14.h3 Na5=; A4) 11...Nc3 12.Bc3 Be6 13.d4 Bd5 14.Ne5 Qe6=; B) 11.d4 B1) 11...Rad8 12.Nc3 Bb4 13.Nd5 Qd5 14.Qb3 Be6=; B2) 11...Rae8 12.Nc3 (12.Nbd2 Qe6 13.e4 Nf4 14.Bb5 Qg6=+) 12...Qe6 13.Qb3 Nc3 14.Bc3 Qb3=; B3) 11...Rfe8 12.Nc3 Ncb4 13.Qb3 c6 14.Nd5 Nd5=; C) 11.d3 C1) 11...Rad8 12.Nc3 (12.Nbd2 Rfe8 13.Ne4 Be7 14.Qc2 f5=) 12...Be6 13.Nd5 Bd5 14.e4 Be6=; C2) 11...Be6 12.Nc3 (12.Nbd2 Rfe8 13.Ne4 Be7 14.Nfg5 f5=; 12.Na3 Rad8 13.Nc4 Bb4 14.Rc1 Rfe8=) 12...Rad8 13.Nd5 Bd5 14.e4 Be6=; C3) 11...Rae8 12.Nc3 (12.Nbd2 Be7 13.Nc4 Be6 14.Qb3 a6=) 12...Nc3 13.Bc3 b5 14.Qc2 a6=; C4) 11...Rfe8 12.Nbd2 (12.Nc3 Bb4 13.Nd5 Qd5 14.Qa4 Be6=) 12...Bb4 13.Rc1 Qe7 14.Ne4 Bf5=; C5) 11...Rfd8 12.Nbd2 Be7 13.a3 Re8 14.Rb1 Be6=.

10.0-0 Be6 11.Nc3 A) 11...Rb8 12.Ne4 Re8 13.d3 Be7 14.Rc1 Qd7=; B) 11...Rc8 12.Ne4 Re8 13.Bb5 Bd7 14.d3 Ncb4=; C) 11...Nc3 12.Bc3 Re8 13.Qc2 Rb8 14.Bd3 h6=; D) 11...a5 12.d4 (12.d3 Nc3 13.Bc3 Re8 14.Qc2 Ra7=; 12.Nb5 Re8 13.d3 a4 14.a3 Nb6=; 12.Ne4 Re8 13.Nd6 Qd6 14.Qb1 h6=; 12.Rb1 Re8 13.Nb5 Nb6 14.a3 Ba2=; 12.Nd5 Bd5 13.Qa4 Qe7 14.Rfb1 Qe6=; 12.Qb1 Re8 13.Bd3 h6 14.Bh7 Kh8=) 12...Nc3 13.Bc3 Nb4 14.Qd2 Bf5=; E) 11...Qd7 12.d3 (12.Ne4 Rad8 13.Nd6 Qd6 14.d4 Rfe8=; 12.d4 f5 13.Bc4 Nc3 14.Be6 Qe6=; 12.Rb1 Rfd8 13.Ng5 Nc3 14.Bc3 Ba2=) 12...Rad8 13.Nd5 Bd5 14.e4 Be6=; F) 11...a6 12.Ne4 Re8 13.d3 Be7 14.Qc1 Qd7=; G) 11...Re8 12.Ne4 Be7 13.Bb5 Ndb4 14.Nd4 Nd4=+.

10.0-0 Be6 11.d4 Qe8 12.Nc3=.

10.0-0 Qe7 11.Qb3 Nb6 12.Nc3 (12.d4 Be6 13.Qc3 Nd5 14.Qc1 Rfe8=+; 12.Rc1 Be6 13.Qc3 f5 14.Ba3 Nb4=+; 12.d3 Be6 13.Qc3 f5 14.Qd2 Rad8=+; 12.Rd1 Be6 13.Qc3 f5 14.Qc1 a6=+; 12.Re1 Be6 13.Qc3 f6 14.a3 Na4=+; 12.Bc3 Rfe8 13.d4 Rad8 14.Rc1 Be6=+) 12...Be6 13.Qc2 Nb4 14.Qb1 Rfe8=.

10.0-0 Qe7 11.Nc3 A) 11...Be6 12.Nb5 (12.Ne4 Rad8 13.Bb5 Ndb4 14.Nd6 Qd6=; 12.d4 Rad8 13.Ne4 Rfe8 14.Nd6 Qd6=; 12.Bb5 Nc3 13.Bc3 Nb4 14.Bb4 Bb4=+; 12.d3 Nc3 13.Bc3 Nb4 14.a3 Nd5=) 12...Bb4 13.a3 Ba5 14.Qc2 Rad8=; B) 11...Qe6 12.Nb5 Rfe8 13.Qb3 Rad8 14.h3 Na5=; C) 11...Nb6 12.Nb5 (12.d4 a6 13.Rc1 Rae8 14.h3 Bf5=; 12.d3 Rad8 13.Ne4 Be6 14.Nd6 Qd6=) 12...Rfe8 13.Nd6 cd6 14.Rc1 Rac8=; D) 11...Nc3 12.Bc3 Be6 (12...Qe6= 13.Qb3 Qb3 14.ab3 Rfd8=) 13.Qc2 f5 14.Rab1 Rab8=.

10.0-0 Qe7 11.d4 Rad8 (11...Rae8 12.Qb3 (12.Nc3 Ncb4 13.a3 Nc3 14.Bc3 Nd5=) 12...Nb6 13.Rd1 Nb4 14.d5 c6=; 11...Ncb4 12.Nbd2 (12.Nc3 Rfe8 13.Nd5 Nd5 14.Qc2 Rad8=+; 12.Re1 Bf5 13.Qb3 Rad8 14.Rc1 Nf4=+; 12.a3 Nc6 13.Qb3 Nb6 14.d5 Ne5=; 12.Na3 Rfe8 13.Nc4 Nf4 14.h3 Bd7=+; 12.Qd2 Rfe8 13.a3 Nc6 14.Nc3 Qe6=) 12...Rfe8 13.Re1 Be6 14.e4 Nf4+=; 11...Rfe8 12.Qb3 (12.Nc3 Ncb4 13.Nd5 Nd5 14.Qc2 Rad8=+) 12...Nb6 13.d5 Nb4 14.Rd1 Rad8=; 11...Rfd8 12.Nc3 (12.Qb3 Ndb4 13.Nc3 Be6 14.Qa4 a6=; 12.Nbd2 a6 13.Nc4 Bb4 14.a3 Bc3=) 12...Be6 13.Ne4 Re8 14.Neg5 Rad8=; 11...a6 12.Nc3 Ncb4 13.Qb3 Rfd8 14.Ba3 Nc3=; 11...Qf6 12.Nc3 (12.Nbd2 Rfe8 13.Qb3 Rad8 14.Bb5 a6=; 12.Qb3 Rfd8 13.Nc3 Nc3 14.Bc3 Rab8=) 12...Qh6 13.h3 Nc3 14.Bc3 Bf5=) 12.Nbd2 (12.Qb3 Ndb4 13.Bc3 Be6 14.Qb2 Bc8=; 12.Nc3 Be6 13.Ne4 Rfe8 14.Nd6 Qd6=) 12...Rfe8 13.Nc4 (13.Bb5 Bd7 (13...Ndb4= 14.a3 a6=) 14.Qb3 a6=) 13...Nf4=+ 14.Nd6 Ne2 (14...Qd6? 15.ef4 Qf4 16.Re1+–) 15.Qe2 Rd6 (15...Qd6 16.Rfc1=+) 16.h3= Bh5 (16...Bf3!? 17.Qf3 Rf6=) 17.g4+= Bg6 18.Ba3 h5 19.Bd6 Qd6 20.Qb5 (better 20.Nh4!?+–) 20...hg4 (20...Re3 21.fe3 (21.gh5? Bd3 22.Qc5 Rf3 23.Qd6 cd6-+) 21...Qg3 22.Kh1 Qh3 23.Kg1 Qg3 24.Kh1=+) 21.hg4= Be4 (21...Re3 22.Ne5 Re4-/+) 22.Nh2 Nb4?? (22...b6 23.Rfc1+=) 23.Qc5 (better 23.Qe8 Qf8 24.Qe4+–) 23...Qh6?? (better 23...Qc5 24.dc5 Nd3+=) 24.Qb4+– Qh3 25.f3 Qg3 26.Kh1 Bc6 27.Qd2 Re6 (27...a6 28.e4+–) 28.e4 Rh6 29.Qf2 Qf4 30.Rg1 (better 30.Kg1 Rh3 31.d5 Bb5+–) 30...Be4 31.Rg3 (31.fe4 Qf2) 31...Rc6 (31...Bc6 32.Rd1+–) 32.Re1 (32.Rh3 Rc2 33.Qg3 Qg3 34.Rg3 Bd5+–) 32...Rc1 (32...Rc2 33.Qg1 Bc6 34.Rh3+–) 33.Rc1 Qc1 34.Qg1 Qg1 35.Rg1 (35.Rg1 Bd5 36.a3+–) 1–0. Krafzik,Joachim (1840) – Klinger,Rudolf (1640), 18 sen. Bay. EM2006 Schney op, 2006.

10.0-0 Nce7 11.d4 Ng6 (11...Re8 12.Qb3=) 12.Nc3 Nc3 13.Bc3 c6 14.Qc2 (14.Rb1 Qe7=) 14...Qc7 (14...Re8 15.Rfb1 Qe7 16.h3=) 15.h3 Bf3 (15...Be6 16.Ng5=) 16.Bf3+= (worse 16.gf3 Qd7 17.f4 Qh3-/+) 16...Nh4 (16...Rfe8 17.Rfd1+=) 17.Be4 f5 18.Bd3 h6 (18...Kh8 19.Rab1+=) 19.e4 (19.Rab1 Kh7+–) ½–½. Kuhlmann,Antonius Egidius – Szura, 1975.

10.0-0 Re8 11.Nc3 A) 11...Nc3 12.Bc3 Rb8 13.d4 Bf5 14.d5 Ne5=; B) 11...Ncb4 12.Nd5 Nd5 13.Qb3 b6 14.Rac1 a6=; C) 11...Nb6 12.Nb5 (12.d4= Qf6 13.Bd3 Nb4 14.Be4 Nc4=; 12.d3 Qf6 13.Qb1 Qg6 14.Ne4 Be7=; 12.Rb1 Bf5 13.d3 a6 14.Re1 Be6=; 12.Qc2 Nb4 13.Qb1 c5 14.a3 N4d5=; 12.Qb1 Qe7 13.Nb5 Bb4 14.d3 a6=; 12.Qc1 Nb4 13.Nb5 Bf3 14.Bf3 Nd3=) 12...Be7 13.Qc2 a6 14.Nbd4 Nd4=; D) 11...Ndb4 12.d4 Be6 13.e4 f5 14.d5 fe4=; E) 11...Nf6 12.Nb5 (12.Qb3 a6 13.Ng5 Qd7 14.d3 Qe7=; 12.d3 a6 13.Nd4 Ne5 14.Bg4 Neg4=+; 12.d4 Qd7 13.h3 Bf5 14.Qa4 Qe7=; 12.Rc1 Nb4 13.Nb5 Na2 14.Bf6 Qf6=; 12.Rb1 Bf5 13.d3 a6 14.Re1 Qe7=) 12...Be7 13.d3 Bd7 14.Rb1 Be6=; F) 11...Be7 12.Qb3 Ndb4 13.Ng5 Bg5 14.Bg4 Nd3=; G) 11...Be6 12.Ne4 Be7 13.Bb5 Ndb4 14.Nd4 Nd4=+.

10.0-0 f5 11.d4 Kh8 12.Nbd2 f4? (better 12...Bb4+=) 13.e4+- Ndb4 14.a3 Bf3 15.Nf3 (15.ab4?! Be2 16.Qe2 Nb4+=) 15...Nd3 (15...Na6+-) 16.Qd3 1-0. s583 (2055) - TheJoker19 (2205), Rated Blitz game, lichess.org, 2016.

10.a3 Re8 11.d4 Re6 (better 11...Qe7=+) 12.0-0?? (better 12.Bc4 Nce7 13.h3=+) 12...Bf3-+ 13.Bf3 Bh2! 14.Kh2?? (14.Kh1-+) 14...Qh4 15.Kg1 Rh6 (15...Rh6 16.Bh5 Rh5 (16...Qh5?! 17.Qh5 Rh5 18.Nc3=+) 17.Qh5 Qh5-+) 0-1. Knight286 (2100) - Wade1 (2370), Rated Blitz game, lichess.org, 2016.

10.Qa4 Qd7 11.Nc3 Nb6 12.Qc2 Nb4 13.Qb1 Bf5 14.Ne4 Qc6?? (better 14...Qe7 15.d3 Nc4=+) 15.Nf6!+- gf6 16.Qf5 Nc2?? (better 16...Be7 17.Rc1 Qe6 18.Qe6 fe6 19.Rc7 N6d5 20.Rb7 Rab8 21.Rb8 Rb8+-) 17.Kd1 Na1 (17...Be5 18.Bd3 Rfe8 19.Ne5 Re5 20.Be5 Na1 21.Bf6 Kf8+-) 18.Qg4 (18.Qg4 Kh8 19.Bf6) 1-0. pacalmisu (2465) - ACFKC (2405), Rated Blitz game, lichess.org, 2016.

10.Nc3 Nb6 11.a4 Na5 12.Nb5 Nac4 13.Bc3 White prepares a5 13...Be7? (13...c6 14.Nd6 Nd6 15.h3+=) 14.d3?? (better 14.a5 c6 15.Nbd4+- (15.ab6?! cb5 16.ba7 Na3+/-)) 14...Nd6 15.Qb3 a6 16.Nd6 Bd6 17.a5 Be6 18.Qb2 Nd5 19.Bg7 Bb4 20.Kf1 Re8 21.Bh6?? (better 21.e4 Nf4 22.Bh6+- (22.Qb4?! Kg7 23.Rc1 Qf6+/-)) 21...Bc3=+ 22.Qa3 Ba1 23.Qa1 f6 24.Nd4 Qd6 25.Bh5 Bf7 26.Qd1 Qe5?? (26...Bh5 27.Qh5 Qd7 28.Nf5-/+) 27.Bf7 (better 27.Qg4 Bg6 28.Bg6+-) 27...Kf7-/+ 28.Qg4 Rg8 29.Qd7 Ne7 30.Bf4 Qd5 31.Qh3? (31.Qd5!? Nd5 32.Bg3-/+) 31...h5 (31...c5!? 32.Ne2 Qd3 33.g4 Qd1 34.Kg2 Qe2 35.Qh7 Rg7 36.Qh5 Ke6 37.h3-+) 32.Bg3 (32.Bc7?? Rac8 33.Qf3 Rc7 34.Qd5 Nd5-+) 32...c5 33.Ne2 Qd4?? (better 33...Qd3 34.Qh5 Ke6-+) 34.Ke1 (better 34.Qh5 Ng6 35.ed4+-) 34…Qe5 1-0. pacalmisu (2435) - falerito (2340), Rated Blitz game, lichess.org, 2016.

10.Nc3 Nc3 11.Bc3 Rb8 12.0-0 b5 (12...Re8 13.Qc2=) 13.Rc1 Bd7 14.d4 b4 15.Bb2 a5 16.e4 Re8 17.e5 Bf8 18.Qd2 (18.Bd3 h6+=) 18...Ne7= 19.d5 Bb5 20.Rc5 (20.Bb5!? Rb5 21.d6 cd6 22.ed6=) 20...Be2=+ 21.Qe2 Nd5 22.Ra5 c5 23.Rb5 (better 23.Ra7!?=+) 23...Nf4-+ 24.Qc4 Ne6 (better 24...Qd3!? 25.Rc5 Bc5 26.Qf4 Ra8-+) 25.a3 Rb5 26.Qb5 ba3 27.Ba3 Qc8 28.Qc4 (28.Bc1 Qb8 29.Qa4 Nd4 30.Nd4 cd4 31.Qd4 Qe5 (31...Re5? 32.Bf4 Bd6 33.Rd1+–) 32.Qe5 Re5=) 28...h6 (28...Nd4 29.Nd4 cd4 30.Qc8 Rc8 31.Bf8 Kf8 32.Rd1=+) 29.h3 (29.Bc1 Rd8=) 29...Qd7 (29...Nd4 30.Nd4 cd4 31.Qc8 Rc8 32.Bf8 Kf8 33.Rd1=+) 30.Re1 Rb8 31.Re3 Qb5 32.Qc3 Qb1 33.Kh2 Qf1 34.Qe1 Qe1 35.Ne1 Rd8 36.g3 Rd2 37.Kg2 ½–½. Helle,Soini – Kaski,P, Ch Finland Team, 1987.

10.0-0 Rfd8 11.a3 Ba5 12.Qa4 Bh5 13.Rc1 Rab8 14.Ra2 Nb6 15.Qb3 Bg4 16.Qc2 a6 17.d4 Qe6 18.Ra1 Bf5 19.Bd3 Bd3 20.Qd3 Na4 21.Ng5 Qg6 22.Qg6 hg6 23.Bc3 Bb6 24.Ra2 Rd5 25.Nf3 Re8 26.Ba1 Ba5 27.Nbd2 Bd2 28.Nd2 f5 29.h4 Rb5 30.Nc4 Rd8 31.f3 Rb3 32.Kf2 Re8 33.d5 Na7 34.Na5 Rb5 35.Rc7 Ra5 36.Rac2 Nb5 37.Rb7 Nd6 38.Rg7 Kf8 39.Rg6 Rd5 40.Rc6 Rd8 41.h5 Rd2 42.Kg3 Rd7 43.h6 Ne8 44.Rc8 Re7 45.Rg7 Re6 46.h7 f4 47.ef4 Rh6 48.Rg8 (48.Rg8 Kf7 49.Rce8+–) 1–0. Klykow,Luke (1835) – Sherwood,Russell (1675), BI–2007–F–00005, 2008.

10.0-0 Rfd8 11.a3 Bd6 12.Nc3 Nc3 13.Bc3 Ba3 14.h3 Bf5-/+ 15.d4 Bb4 16.Bb4=+ Nb4 17.Qb3 a5 18.Ne5 Be6 19.Qb2 Bd5 20.Qc3 b6 21.Rfd1 a4 22.Rdb1 c5 23.Nc4 Qe4 24.Bf3 Qe6 25.dc5 Bf3 26.Rb4 Qg6 27.g4 Qh6 28.Ne5 bc5 29.Rf4 Bd5 30.Kh2 Qd6 31.Nc4 Qc7 32.Kg1 Ra6 (32...Ra6 33.Nd2 Qc6-+) 0–1. Vaassen,Jack – Pecotic,Kuzma, RH–2007–0-00081, 2007.

10.0-0 Rfd8 11.d4 a6 12.Qc2= Qe6 13.Ng5 Qf5 14.Qf5 Bf5 15.Rc1 Be7 16.Nf3 Ndb4 17.Nc3 Nd3 18.Bd3 Bd3 19.Rd1 Bc4 20.Rac1 f6 21.a3 a5 22.e4 Bd6 23.Rb1 Ra6 24.d5 Ne5 25.Nd4 Nd3= 26.Ba1 Nc5 27.Nf5 Bf4 28.Rd4 Bd3 29.Rb7 Nb7 30.Rd3 Nc5 31.Rd1 Re8 32.f3 g6 33.Ng3 Rb6=+ 34.Nce2 Be3 35.Kf1 Reb8 36.Ke1 Rb1 37.Nc3 Rc1 38.a4 Rb4 39.Rc1 Bc1 40.h3 Kf7 41.Nge2 Ba3 42.Nd1 Ra4-+ 43.Bc3 Bb4 44.Kf2 Bc3 45.Ndc3 Rb4 46.Ke3 Na4 47.Na4-/+ Ra4 48.Nd4 Ra2 49.g4 a4 50.Nb5 a3 51.h4 Re2! 52.Ke2 a2 53.Nc7 a1Q 54.Ne6 Qh1 55.h5 gh5 56.gh5 Qh5 57.Ke3 Qh2 58.Kd3 f5 59.ef5 Qe5 60.Kc4 Qf5 61.Nd4 Qf4 62.Kc5 Kf6 63.Nb5 Qe3 64.Kc6 Ke5 65.f4 Qf4 66.Kb6 Kd5 67.Nc7 Qc7! 68.Kc7 h5 0–1. b4_player – opponent, gamecolony.com, 2007.

10.0-0 Rae8 11.Nc3 Bc3 12.Bc3 Nc3 13.dc3 Ne5 14.Ne5 Be2 15.Ng6 Bd1 16.Ne7 Re7 17.Rfd1 f5 18.Rd4 Kf7 19.Rb1 b6 20.g4 g6 21.h3 a5 22.Kf1 h5 23.gf5 gf5 24.c4 Rfe8 25.c5 Re6 26.a4 bc5 27.Rc4 Rb6 28.Rbc1 Rb4 29.Rc5 Ra4 30.Rf5 Kg6 31.Rcc5 Rh4 32.Rg5 Kh6 33.Kg2 c6 34.f4 Re3 35.Rc6 Kh7 36.Rc7 Kh6 37.Rf5 Kg6 38.Rcf7 Re6 39.Kg3 Rf4 40.Kf4 Rc6 41.Re7 a4 42.Rg5 Kf6 43.Re4 Ra6 44.Rh5 Kg6 45.Ree5 Rb6 46.Reg5 Kf7 47.Rh7 Kf8 48.Ra5 Kg8 49.Rd7 Rb4 50.Ke5 Rb8 51.h4 Kf8 52.h5 Re8 53.Kd4 Rb8 54.h6 Rb4 55.Ke5 Ke8 56.Rg7 Rd4 57.Kd4 Kf8 58.Ra8# 1–0. Crafty aV – La Dame Blanche 2.0c, Kleinschmidt, CT, 1999.

10.a3 Bd6 11.Qc2 Ne5 (11...Rad8 12.Nc3 Bf3 13.gf3=) 12.Nc3 (12.Be5 Be5 13.Ne5 Qe5=) 12...Nf6 (12...Nf3 13.gf3 Be6 14.Nd5 Bd5 15.Bd3 Bf3 16.Rg1=) 13.Nh4 (13.Ne5 Be5 14.d4 Bd6=) 13...Be2 14.Ne2 Rad8 15.Nf5 Qe6 16.0-0 Rfe8 17.Rab1 b6 18.Rbc1 1–0. Wantoch_Rekowski,Jacek (2245) – Puleston,Tim (1885), 3rd Webchess Open Tournament prel., 2008.

10.a3 Bd6 11.Nc3 Nc3 12.Bc3 Ba3 13.Qb3 Bd6 (13...Bb4!?-/+) 14.Qb7 Nb4 (14...Bd7 15.Qa6=) 15.Bb4 (15.Nd4 Rab8 16.Qa7 Bc5=) 15...Bb4 16.0-0 (worse 16.Ra7 Bf3 17.gf3 Ra7 18.Qa7 Rd8=+) 16...a5 17.d4 Rfb8 18.Qc6 a4 (better 18...Qd6!? 19.Qe4 Qe6=) 19.Ra4+/- Ra4 20.Qa4 c5 21.dc5 Bf3 (21...Qc5 22.Rd1+/-) 22.Bf3 Bc5 23.Rc1 (better 23.Rd1!?+/-) 23...Be3= 24.Re1 Bf2?? (better 24...Qa7 25.Qa7 Ba7=) 25.Kf2+- Qc5 26.Kf1 g6 27.Qc6 Qa7 (27...Qc6 28.Bc6 Kg7 29.Kf2+-) 28.Re8 (28.Qd6 h6+-) 28...Re8 29.Qe8 Kg7 30.Qe5 f6 31.Qe1 h5 32.h3 Qc5 33.Qd1 h4 34.Qd7 Kh6 35.Qd5 (35.Ke2 Qc2 36.Ke3 Qc3 37.Qd3 Qe5 38.Kd2 Kg5+-) 35...Qc1 (35...Qd5 36.Bd5 Kg5 37.Ke2+-) 36.Qd1 Qc5 37.Qd2 g5 38.Qf2 Kg7 1-0. Knight286 (2120) - Nimzomaniac (2130), Rated Blitz game, lichess.org, 2016.

11.a3 Bd6 12.Qc2=+.

11.a3 Bd6 12.Nc3 Nc3 13.Bc3 Ne5 14.Nd4 Qh4 15.f4 Be2 16.Qe2 Ng4 17.h3 Nh6 18.Qf3 c5 19.Nb5+= Qe7 20.Na7 Bb8 21.Nb5 Nf5 22.a4 Nd6 23.Nd6+/– Rd6 24.Rfb1 b6 25.Rb5 Bc7+/– 26.Rab1 Rdd8 27.Qb7 Rb8 28.Qc6 Rfc8 29.Qf3 Ra8 30.Kh1 Rd8 31.Qb7 Rdb8 32.Qc6 Rc8 33.Qf3 Rd8+/– 34.Ra1 Qd6 35.d4 Qd5 36.Qd5+– Rd5 37.a5 ba5+/– 38.Ba5 Bd6 39.Bc3 Ra1+/– 40.Ba1 f5 41.Kg1 Kf7+/– 42.Rb7 Be7 43.Kf2 cd4 44.Bd4 g6 45.Kf3 Ke6 46.g4 fg4 47.hg4+– h5 48.g5 Ra5 49.Rb6 Kf7+/– 50.Rb7 Ke6+– 51.Rb6 Kf7+/– 52.Be5 Ra7 53.f5+– Bg5? 54.fg6 Ke7 55.g7 Ra8 56.Rg6 Be3 57.g8Q Rg8 58.Rg8 Bc5 59.Rg5 (59.Rg5 h4 60.Bg3+–) 1–0. Lapshun,Yury – Milman,Lev, New York Masters, 2002.

11.a3 Bd6 12.Nc3 Nf6 13.d4 (13.Nb5 Bc5=) 13...a6 14.h3 Bh5 15.Qc2 Bg6 16.Bd3 (16.Qa4 Rfe8=) 16...Bd3 17.Qd3 Nd7 (17...Rfe8 18.Rfe1=) 18.Nd5 (18.e4 Nb6=) 18...Qe6 19.e4 f6 (19...Rfe8 20.Rfe1=) 20.Ne3 Na5 (20...Nb6 21.Rfd1+=) 21.e5 fe5 (better 21...Be7!? 22.Qc3 Nb3+–) 22.Qh7!+– Kh7 23.Ng5 Kg6 (23...Kg8 24.Ne6 Nb3 25.de5 Be5 26.Nf8 Kf8 27.Rab1 Bb2 28.Rb2+–) 24.Ne6 Kf7 (24...ed4 25.Bd4 (25.Nf8?! Nf8 26.Bd4 Nb3=) 25...Nb3 26.Rad1 (26.Nf8?! Nf8 27.Rad1 Nd4 28.Rd4 Bh2 29.Kh2 Rd4=+) 26...Nd4 A) 27.Nf8?! Nf8 (27...Bf8? 28.Rd4 Ba3 29.Nc4+–) 28.Rd4 Bh2 29.Kh2 Rd4=+; B) 27.Rd4 Ba3 28.Nc4+–) 25.Nf8+– Rf8 26.de5 Ne5 27.Nf5 Kg6 28.Nd6 cd6 29.Rfd1 Nac4 30.Be5 de5 31.a4 b5 (31...Rc8 32.Rab1 b6 33.Rdc1+–) 32.Rab1 e4 (32...Rf6 33.ab5 Kf5 34.ba6 Ra6 35.Rb4+–) 33.ab5 ab5 34.Rb5 e3 35.fe3 Ne3 36.Rd6 Kh7 (36...Rf6 37.Rf6 Kf6 38.Kf2+–) 37.Rh5 (37.Rd7 Kh6+–) 37...Kg8 38.Rd7 Rf6 (38...Rf1 39.Kh2+–) 39.Rg5 (39.Re5 Rf1 40.Kh2 Re1+–) 39...Rf7 40.Rf7 (40.Rd3 Nf5+–) 40...Kf7 41.Rc5 Ke6 42.Kf2 Nd1 (42...Nd5+–) 43.Ke2 Nb2 44.Rc2 Na4 45.Rc4 Nb6 (45...Nb2 46.Rb4+–) 46.Rc6 (46.Rc6 Ke7 47.Rb6+–) 1–0. michaelbuss (2770) – theredflash06 (1955), ChessWorld.net, 2011.

11.a3 Bd6 12.d4 Kh8 13.Nbd2 f5 14.Re1 Nf6 15.Qc2 Nb8 16.h3 Bh5 17.Qf5 Bf3 18.Bf3 (worse is 18.gf3 Rde8+=) 18...c6 19.Qc2 Nd5 20.Be4 Nd7 (20...Qh4 21.Nf3 Qh5 22.Qa4+/–) 21.Nf1 (better is 21.Bh7!? N7b6 22.Ne4+–) 21...h6 22.g3 Qe6 23.Bg2 N5b6 24.e4 Qg8 25.Ne3 Rde8 26.Nf5 Bb8 27.Rac1 Qh7 28.d5 Be5 29.Be5 Ne5 30.Nd6 Re7 31.f4 Nf7 32.Nf7 Ref7 33.dc6 bc6 34.Qc6 1–0. Morawietz,Dieter (2445) – Akstinat,Sven Holger (2125), Kerkyra op, 2009.

11.a4 Rd7 12.d4 Rfd8 13.Ba3 a5 14.Bb4 Ncb4 15.Ne5 Be2 16.Qe2 Rd6 17.Nc4 Rh6 18.Na5 Qh4 (18...c5!? 19.Nb3 cd4 20.Nd4 Qe5=) 19.h3+= Rdd6? (better 19...Rg6 20.Qf3 b6+=) 20.Nb7+- Rdg6 21.Qf3 Qh3 22.Qh3 Rh3 23.g3?? (better 23.Nc5+-) 23...Nc2-/+ 24.Ra2 (24.Nd2 Nde3 (worse 24...Na1 25.Ra1 Rgh6 26.Nf1+=) 25.Rae1 Rgh6 (worse 25...Ne1 26.Re1 Re6 27.Re3 Re3 28.fe3+-) 26.Re3 Rh1 27.Kg2 Ne3 28.fe3 R1h2 29.Kf3 Rd2-/+) 24...Nce3 (24...Rgh6!? 25.Rc2 Rh1 26.Kg2 Ne3 27.Kf3 Nc2 28.Rh1 Rh1-+) 25.fe3 Rgg3 26.Kf2 Rf3 27.Ke2 (27.Ke1!? Rf1 28.Kf1 Rh1 29.Kg2 Rb1 30.Nc5 Ne3 31.Kf3-/+) 27...Re3-+ 28.Kd1 Nc3?? (better 28...Rb3 29.Re2 g6-+ (worse 29...Rb1 30.Kc2 Rh2 31.Rb1 Re2 32.Kb3-+)) 29.Nc3+- Rc3 30.Raf2 (30.Re1 g5 31.Nc5 Rh4+-) 30...f6 (30...Rc4 31.a5 (31.Rf7?! Rd4 32.Kc2 Rc4 33.Kb2 Rb4 34.Ka2 Ra4 35.Kb2 Rb4 36.Kc2 Rc4 37.Kd2 h5=) 31...Rd4 32.Rd2 Rd2 33.Kd2+/-) 31.Nc5 Ra3 (31...Rc4 32.Rf4+/-) 32.Rc2 Kf7 33.Re1 (33.Rff2 Rh4 34.Rc4 g5+/-) 33...h5 34.Ree2 g5 35.Kd2 (35.Rf2 Ke7+/-) 35...g4 36.Rf2 (36.Ne6 Rhf3+/-) 36...Kg6 (36...h4 37.Ne4 Ke7 38.Nf6=) 37.Re2 (37.Ne4!? Rhd3 38.Kc1+/-) 37...f5 (37...Kf7 38.Ne6 Rhf3 39.Rc7 (worse 39.Nc7 Rfd3 40.Ke1 Rd4-/+) 39...Kg6 40.d5+=) 38.Re6 Kg5 39.Re5 Rh2 40.Re2 Re2 41.Ke2 h4 (better 41...f4!?=+) 42.Kd2 (42.Kd2 h3 43.Ne6 Kh4 44.Rc7-/+) 1-0. cucosant2 (1820) - ChimpsCheck (1800), Casual Blitz game, lichess.org, 2021.

11.Qb3 Na5 12.Qa4 a6 13.a3 b5 14.Qc2 Bd6 15.Nc3 Nf6 16.Na2 Ne4 (better 16...Bf3 17.Bf3 Nc4-/+ (worse 17...Ba3 18.Ba3 Qa3 19.Rfb1+=)) 17.Nb4?? (better 17.d3 Bf3 18.Bf3+=) 17...Bf3-+ (17...Bb4 18.ab4 Nc4 19.Bc4 bc4 20.Ne5+= (worse 20.Qc4 Bf3 21.gf3 Nd2-+)) 18.Bf3 Nd2! 19.Be2 (19.Qd2 Nb3 Double attack (19...Nb3 Decoy)) 19...Nf1 20.Rf1 Nc4?? (better 20...Bb4 21.ab4 Qb4-+) 21.Bc4-/+ Qh4 22.Bf7 Rf7 23.g3 Qg4 24.Nc6 Rdf8 25.Nd4? (better 25.e4!?-/+) 25...c5-+ 26.Ne2 Qf3 27.Nf4 Bf4 28.ef4 h5 (better 28...c4 29.Qd2 Re8-+) 29.Qc5-/+ h4! 30.Qd6?? (30.gh4 Qg4 Double attack (30...Qf4 Deflection)) 30...h3 31.Rc1 (31.Qd5 Qd5 32.f3 Qc5 33.Bd4 Qd4 34.Kh1 Qe3 35.a4 Qe2 36.Rf2 Qf2 37.ab5 Qg2) 31…Qg2 0-1. carlos78 (2250) - lancerisimo (2150), Rated Blitz game, lichess.org, 2015.

11.Qb3 Na5 12.Qc2 Rfe8 (better 12...Qc5!? 13.Qc5 Bc5=) 13.a3+/- Bd6 14.Qa4 Bf3 (better 14...Nf4! 15.ef4 Qe2 16.Qa5 Bf3+= (16...Bf4? 17.Nc3 Qc4 18.Rfe1+-)) 15.Bf3+- Nc6 16.Bd5 (16.Bd5 Bh2 17.Kh2 Rd5 18.Qf4+-) 1-0. carlos78 (2270) - Verdehile (2080), Rated Blitz game, lichess.org, 2015.

11.d4 Rfe8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.d4 Rad8).

11.Nd4 Nd4 12.Bg4 Ne6 13.d4 f5 14.Bf3 c6 15.Qa4 a5 16.a3 Bd6 17.Qa5 Ra8 18.Qd2 Ng5 19.Bd5 Kh8 20.f4 1–0. Jostov,Keylah – Paco,Alonso, SC–2008–0-00024, 2009.

11.h3 Bh5 12.a3 Bc5 13.d4 Bb6 14.Nbd2 Ne3 15.fe3 Qe3 16.Kh1 Nd4 17.Nd4?? Bd4?? 18.Bd4= Rd4 19.Bh5 Rd2 20.Qa4 g6 21.Bf3 c6 22.Rfe1 Qc5 23.Rac1 Rd4 24.Qb3 Qb6 25.Qc2 Rfd8 26.Re7 Kf8 27.Rce1 R4d7? 28.Qc3+– Rd4 29.Qe3 Qb5 (29...Rh4 30.Qg5 Qd4 31.Rb7 f6+–) 1–0. Chirpii,Alexandru (1650) – Roitburd,Marina, Centrocoop June op–B, 1998.

11.h3 Bh5 12.Nd4 Be2 13.Qe2 Nd4 14.Bd4 Nf6 15.Nc3 Rfe8 16.Qf3 Ne4 17.Ne4 Qe4 18.Qd1 (better is 18.Qg3 f6 A) < 19.Ba7 Bd6 (< 19...Bd2 20.Qc7 b5 21.Bb6+=) 20.f4 b6=; B) 19.Bf6+=) 18...c5 19.a3 Bd2! 20.Bc5 (20.Qd2 cd4) 20...Be3! 21.Be3 (21.fe3 Rd1) 21...Rd1 22.Rfd1 a6 23.Rd4 Qe7 24.a4 Rd8 25.Rad1 Rd4 26.Rd4 h6 27.g3 f6 28.Kf1 Kf7 29.h4 b5 30.ab5 ab5 31.Rd1 b4 32.Ra1 b3?? (better is 32...Qe4 33.Ra7 Kg6 34.h5 Kh7-+) 33.Rb1?? (better is 33.Ra7+/–) 33...Qe4-+ (34.Re1 b2-+) 0–1. hal1958 – baggur, HCL–A1663 playchess.de, 2003.

11.h3 Bh5 12.Nd4 Be2=+ 13.Ne2 Ne5 14.Qc2 c5 15.Qf5 Rfe8 16.a3 Ba5 17.Ra2 Nb6 18.d4 cd4 19.Bd4 Nbc4 20.Nbc3 Bb6 21.Rd1 Bd4 22.ed4 Ng6 23.d5 a6 24.a4 Qd7 25.Qd7 Rd7 26.Rd4 Nd6 27.a5 Red8 ½–½. Deneuville,Christian – Gateau,C, corr (year?).

12.Qa4 Bb6?? 13.Nc3 (better 13.Qg4 f5 14.Qg3+-) 13...Nc3 (13...Be6 14.d4=) 14.Bc3 Rfe8?? (better 14...Be6=) 15.Qg4+- (15.Qg4 g6 16.Bb5+-) 1-0. carlos78 (2325) - jozarov (2280), Rated Blitz game, lichess.org, 2016.

12.Qa4 Bf5 13.Rc1 Nb6 14.Qb3 Rfe8 15.d4 Rd6 16.Nbd2 a6 17.Rc5 Be6 18.Qd1 f5 19.Qc2 Bd2 20.Nd2 Nd7 21.Rf5 Bf5=+ 22.Qf5 Rf8 23.Qc2= Nd4 24.Bd4 Rd4 25.ed4 Qe2 26.Qb3 Rf7 27.Nf3 Qb5 28.Qa2 h6 29.Re1 Qf5 30.h3 Kf8 31.Re3 Re7 32.Ne5 Ne5 33.de5 Qe6 34.Qb1 b5 35.Qh7 Rf7 36.Rc3 Qb6 37.Kh2 Ke7 38.Qg8 Qf2?? 39.Rc7+– Ke6 40.Qe8 Kd5 41.Rf7 Qf7 42.Qf7 Ke5 43.Qg7 Ke4 44.Qb7 Kd4 45.Qa6 Kc3 46.Qa5 Kc4 47.Qb4 Kd5 48.Qb5 Kd4 49.Kg3 Kc3 50.Qb4 Kc2 51.Kf3 Kd3 52.g4 h5 53.gh5 Kc2 54.Ke2 Kc1 55.Kd3 Kd1 56.Qd2# 1–0. henryk88 (2290) – wb_nl (1965), gameknot.com, 2011.

12.Qa4 Bh5 13.Nc3 Nc3 14.Bc3 Bc3 15.dc3 Ne5 16.Rad1 Nf3=+ 17.Bf3 Bf3 18.gf3 Qf6 19.Rd8 Rd8 20.Rd1 Rd1 21.Qd1 g6 22.Qd3 h5 23.f4 Qe7 24.c4 c6 25.Kf1 Qe6 26.e4 Qf6 27.f5 gf5=+ 28.ef5 b6 29.Qf3 h4 30.Qf4 Kg7 31.Qg4 Kf8 32.Qf4 Kg7 33.Qg4 Kf8 34.Qf4= ½–½. Botsaris,Harry Dimitris – Grivas,Efstratios, Komotini, 1992.

12.Qa4 Bh5 13.Nc3 Nc3 14.Bc3 Bc3 15.dc3 Ne5 16.Rad1 Nf3 17.Bf3 Bf3 18.gf3 Qg5 19.Qg4 Qf6 20.c4 b6 21.h4 c5 22.h5 h6 23.Kg2 Rfe8 24.Rg1 Qe5 25.f4=+ Qf6 26.Rd7 Rd7 27.Qd7= Qe7 28.Rd1 Kf8 29.f3?? Qd7 30.Rd7-/+ Re7 31.Rd8= Re8 32.Rd7 Re7 (32...Re3!? 33.Ra7 Rc3-/+) ½–½. Ringsborg,Allan (2260) – Laursen,Bjorn (2265), corr DEN–ch Denmark, 2000.

12.Qa4 Bh5 13.Nd4 Be2 14.Nc6 bc6 15.Re1 Qc5 16.Re2 Qb5 17.Qb5 cb5 18.d4 c5 19.Rc2 cd4 20.Bd4 Rc8 21.Raa2 a6 22.g3 f6 23.Kg2 Kf7 24.e4 Ne7 25.Nd2 Bd2 26.Rd2 Rc4 27.f3 Rfc8 28.Kf2 Ke6 29.Rd3 Nc6 30.Ba1 Na5=+ 31.Rad2 R8c6 32.Bb2 Rc2 33.Ke2? Rd2-+ 34.Rd2 Nb3 35.Rd1 Rc2 36.Kd3 Rb2 37.Kc3 Rf2 38.Kb3 Rf3 39.Kb4 Re3 40.Rd4 Ke5 41.Rd7 Re4-+ 42.Kc5 g5 43.Rh7 Ra4 44.Re7-/+ Kf5 45.Re3 Kg4 46.Kd5 f5 47.h4? gh4 48.gh4 Kh4 49.Ke5 Kg4 50.Re1 Ra3 51.Rg1 Rg3 52.Ra1 Re3 53.Kd4 Re4 54.Kd5 Ra4 55.Rg1 Kf4 56.Rf1 Kg5 57.Ke5 Re4 58.Kd5 Kf6 59.Rh1 Ra4 60.Rh8 Kg5 61.Ke5 Re4 62.Kd5 a5 63.Rg8 Kf4 64.Kc5 b4 65.Kb5 Kf3 66.Ka4 f4 67.Rg5 Ke3 68.Ra5 f3 69.Kb3 f2 70.Ra1 Ke2 71.Ra2 Kf3 (71...Kf3 72.Rf2 Kf2-+) 0–1. Pierangeli,A – Chiaretti,Roberto (2180), ITA Inps op Italy, 1998.

12.d4 Rfe8 13.Bd3 Rd6 14.Nbd2?? Ne3!-+ 15.Qa4 Nf1 16.Rf1 Bd2 17.Nd2 Qd7 18.Nb3 Nd4 19.Qd7 Bd7 20.Nd4 c5 21.Nf5 Rd3 22.Ng7 Re2 23.Ba1 Rd5 24.h4 h5 25.Rc1 Kh7 26.f3 Kg6 (27.g4 hg4 28.h5 Kh6 29.fg4 Bg4-+) 0–1. Ioannides,Milton (2065) – Suleimanov,Salman (2330), Cappelle op, 1995.

12.Nc6 bc6 13.Qe2 Rb8 14.d3 +=.

12.Nc6 Bd1 13.Ne7 Be7 14.Rd1 Nb4 15.Ba3 Rd3 16.Bb4 Bb4 17.Kf1 Rfd8 18.Ke2 R8d6 19.a3 Ba5 20.Ra2 Kf8 21.Rb2 b6=+ 22.Rc1 c5 23.h4 Ke7 24.Rc4 Kd7 25.Rf4 Ke7 26.Re4 Kd7 27.Rf4 f6 28.g3 Ke6 29.Re4 Kf7 30.Rc4 h5 31.Re4 a6 32.Rc4 Ke6 33.Nc3 Bc3 34.dc3= Rd1 35.Rb6 R1d2 36.Ke1 Rd1 37.Ke2 ½–½. Honos,Attila (2340) – Zsinka,Laszlo (2360), HUN tt, 1997.

12.Qe2 Nd4 13.Bd4 c5 14.Bb2 Rd6 15.d4 Rc8 16.dc5 Bc5 17.Qg4+= f5 18.Qc4 Kh8 19.Bd4? Ne3!-+ 20.Qc5? Rc5 21.Be3 Rcd5 22.Nc3 Rd3 23.Nb5 R6d5 24.Na7 Qd7 25.Rac1 h6 26.Nc8 Qf7 27.Nb6 Rd8 28.Nc4 Qf6 29.Bf4 Kh7 30.Be5 Qg5 31.f4 Qe7 32.Nb2 Rd2 33.Rc7 R8d7 34.Rd7 Qd7 35.Rc1 Qd5 (35...Qd5 36.Kf1 Qg2 37.Ke1 Qe2#) 0–1. Bragg – Carlin, California, 1974.

12.Ne2 Ne5 13.Qb3 c5 14.d3 b5 15.Na3 Ne3!-+ 16.fe3 Rd3 17.Nc3 Ba3 18.Qb5? Bb2 19.Qb2 Nc4 20.Qc1 Qe3 21.Qe3 Ne3 22.Rfc1 Rb8 23.Rab1 Rb6 24.Na4 Rb1 25.Rb1 g6 26.Rb3 c4 27.Rd3 cd3 28.Kf2 d2 (29.Nc3 d1Q 30.Nd1 Nd1 31.Ke1 Nc3-+) 0–1. Visbeen,Andreas – Biermann,Klaus, Ruhrgebiet VK2, 1996.

12.Ne2 Rfe8 13.Nbc3=+.

12.Ne2 Qh4 13.Ng3 f5 14.Qh5 Qh5 15.Nh5 g6 16.Ng7 Kf7 17.h4 h5 18.d3 Nf6 19.Bf6 Kf6 20.Nh5 gh5 21.d4 f4 22.a3 Ba5 23.Ra2 Kf5 24.Nd2 Bd2 25.Rd2 fe3 26.fe3 Ke4 27.Rf8 Rf8 28.Rb2 Ke3 29.Rb7 Nd4 30.Rc7 Ne2 31.Kh2 Rf4 32.Kh3 Ra4 33.Rh7 Kf2 34.Rh5 Nf4 (35.Kg4 Nh5 36.Kh5 Kg3-+) 0–1. hal1958 – Blitzmich, ACL–T106 playchess.de, 2003.

10.a3 Bf6 11.d4 Qe7 12.Nc3 Rad8 13.0-0 Rfe8 14.Qb3 Nb6 15.Bd3 Bf3 16.gf3 Bd4 17.ed4 Nd4 18.Qd1 Qh4 19.Kh1 Rd6 20.Re1 Red8 21.Re3 Rh6 22.Qg1 +=. pierre – trypo, internet, 2010.

10.a3 Bf6 11.d4= Nce7 12.Nbd2 c5 13.Ne4+= Qa5 14.Qd2 Qd2 15.Nfd2 Be2 16.Nf6 Nf6+= 17.Ke2 cd4 18.Bd4 Rfc8 19.Bf6+/– gf6 20.Ne4 Kg7 21.Nd6 Rc7 22.Rac1+– Nc6 23.Rhd1 b6? 24.Rc4 Rd8 25.Nf5 (25.Nf5 Kg6 26.Rc6 Rc6 27.Ne7 (27.Rd8?! Kf5 28.Kd2 Rc5+/–) 27...Kh5 28.Nc6 Rd1 29.Kd1+–) 1–0. pierre (2145) – Istvanny, internet, 2007.

10.a3 Bf6 11.d4 Re8 12.0-0 Qd7 13.h3 Bh3 (better 13...Bf5!?=) 14.gh3+= Qh3 15.Bd3 Re6 16.Re1 Rae8 17.Nbd2 Bd8 (17...Qg4!? 18.Kf1 Qh3 19.Kg1 Qg4 20.Kf1 Qh3 21.Kg1=) 18.Nf1+= Rh6 (better 18...Be7!?+=) 19.Ng3+- Bg5?? (19...g6 20.Qb3 Re3 21.Qd5 Rd3 22.Re8 Kg7+-) 20.Bf5 Qg3 21.fg3 Be3 22.Kg2 1-0. Knight286 (2065) - Re_dei_matti (2325), Rated Blitz game, lichess.org, 2016.

10.Nc3 Nc3 11.Bc3 Bf6 12.d4 Qd5 (12...Re8 13.0-0=) 13.0-0 (13.Qb3 Ne7+=) 13...Rfe8 14.Qb1 Rad8 15.Bd1 (15.Qb7? Nd4 16.Nd4 Qb7 (worse 16...Bd4 17.Qd5 Rd5 18.Bd4 Be2 19.Rfc1+/-) 17.Bg4 c5-+) 15...b6 16.h3 Bf5 17.Bc2 Bc2 18.Qc2 Qc4 19.Rfc1 a5 (19...Qd5!?=) 20.Bb2 Qc2 21.Rc2 Re6 (21...Rd6 22.Ba3 Rde6 23.Rb1+/-) 22.Rac1 (better 22.a4!?+-) 22...Nb4+= 23.Rc7 Na2 24.R1c6 Nb4 25.Re6 fe6 26.Ba3 Nd5 27.Rb7 Rc8 28.Nd2 (28.e4 Nc3+=) 28...Rc3 29.Bd6 a4 30.Ne4 Rc1 31.Kh2 Rb1 (31...h5 32.Kg3=) 32.g4 b5?? (better 32...h6=) 33.g5+- Bd8 (better 33...b4+-) 34.Rb8 (34.Rb8 Kf7 35.Rd8+-) 1-0. carlos78 (2145) - Shaeferov (2120), Rated Blitz game, lichess.org, 2015.

10.Nc3 Bf6 11.Rc1 (11.Rb1 Nc3 12.Bc3 Rb8=) 11...Nc3 (11...Be6 12.Rb1=+) 12.Bc3= Bc3 13.Rc3 Ne7 (13...Re8 14.0-0=) 14.Qb3 b6 15.d4 Nd5 16.Rc1 Re8 (16...Be6 17.Qb1=) 17.0-0 (better 17.Bb5!? Bf3 18.gf3+/-) 17...a6 18.Rfe1 h6 19.h3 Be6 20.Qc2 Nb4 21.Qd2 a5 (21...Qd6 22.a3 Nc6 23.Qc3+=) 22.a3+/- Nd5 23.Ne5 (23.e4 Nf6+=) 23...Qd6 (23...Qg5 24.Bc4 Rac8 25.Nc6+=) 24.Bf3 (24.Bb5!? Red8 25.e4+/-) 24...Qa3= 25.e4 Nf6 26.Rc7 Rad8 27.d5 Qd6 28.Qc3 Nd5? (28...Bd7 29.Nd3 Rc8 30.Rc8 Rc8+/-) 29.ed5+- Bd5 30.Bd5 Qd5 31.Nf7 Re1 32.Qe1 Rf8 (32...Qd1 33.Qf1 Rd5 34.f4+-) 33.Ne5 Qd6 (33...Re8 34.f4 Qd4 35.Qf2+-) 34.Qc3 (34.Rc6 Qd4 35.Nf3 Qb2+-) 34...Qd1 (34...a4 35.Ng4 Qd1 36.Kh2 Qd6 37.g3+-) 35.Kh2 Qd6 36.Rc6 Qe7 (36...Qd5 37.Qg3 a4 38.Rb6+-) 37.Rg6 (better 37.Qb3 Kh7 38.Ng6+-) 37...Kh7?! (37...Rf6 38.Rg3+-) 38.Qg3 (better 38.Rb6 Rf2 39.Qd3 Kg8 40.Nd7+-) 38...Re8?? (38...Rf6 39.Rg4+-) 39.Nc6 (better 39.Rh6! gh6 40.Qg6 Kh8 41.Nf7 Qf7 42.Qf7+-) 39...Qf7 40.Nd4?? (better 40.Rd6+-) 40...Rf8 (better 40...Qg6 41.Qc3 Re4-+) 41.Rg4 (41.Rb6!? Qf4 42.Rd6 a4+-) 41...a4 (41...Kh8 42.Nf3 Qf6 43.Ne5+-) 42.Ne6 (42.Qd6 Re8+-) 42...Rg8 43.Qh4?? (better 43.Qe5 b5 44.f4+-) 43...Qe6= 44.Ra4 Qe5 45.Qf4 Qf4 46.Rf4 Rb8 47.Rb4 Kg6 48.f3 Kf6 49.Kg3 Ke6 50.Kf4 (50.Re4 Kd5=+) 50...Kd5=+ 51.Kf5 (51.Ke3 b5=+) 51...Kc5 52.Rb1 b5 53.Kg6 Rb7 54.g4 (54.h4!?-/+) 54...b4-+ 55.f4 Kd4 56.f5 b3 57.h4 (57.f6 gf6 58.Kh6 Kc3-+) 57...b2 58.Rb2 (58.g5 hg5 59.hg5 Kc3=) 58...Rb2 59.Kg7 Ke5 (59...Rg2 60.f6=) 60.Kh6? (better 60.f6 Rb7 61.f7-+) 60...Kf6 61.h5 (61.g5 Kf5 62.g6 Kf6-+) 61...Rb8 (61...Rg2 62.g5 Rg5 63.Kh7 Rh5 64.Kg8 Rg5 65.Kf8 Rf5 66.Ke8 Rd5 67.Kf8 Rd8) 62.g5-+ Kf5 63.g6 Kf6 64.Kh7 Rb7 65.Kh8 Rg7 (65...Rb5 66.Kh7 Rh5 67.Kg8 Kg6 68.Kf8 Re5 69.Kg8 Re8) 66.h6= Rg6 67.h7 Rh6 68.Kg8 Rg6 69.Kh8 Rh6 70.Kg8 Rg6 71.Kh8 ½-½. Dogan,Mire Deniz (1985) - Milanovic,V (2290), Titled Tuesday, 2021.

10.h3 Be6 11.0-0=+.

10.h3 Bh5 11.0-0= Bf6 (11...Re8 12.Qb3=) 12.Bf6 Qf6 13.d4 Rfe8 14.Qb3 Rab8?? (better 14...Nf4 15.ef4 Re2=) 15.Qd5+- (15.Qd5 Bg6 16.Nc3+-) 1-0. fishissushi (1860) - MC1306 (1940), Rated Blitz game, lichess.org, 2020.

11.d4 a6 12.Nc3 Nc3 13.Bc3 Ne7 14.Qb3 b5 15.Rac1 Qd5 16.Qc2 Rac8 17.e4 Qd7 18.e5 Bf3 19.ef6 Be2 20.fe7 Bf1?? 21.ef8Q Rf8 22.Kf1 Rc8 23.Qe4 Re8 24.Qf4 h6 25.Ba5 c6 26.Bb4 Qd5 27.Qd2 Rd8 28.Bc5 Re8 29.Re1 Re1 30.Qe1 Qc4 31.Qe2 (Better is 31.Kg1 Qa2 32.h4+/–) ½–½. rondino – hal1958, HCL–T062 playchess.de, 2003.

11.d4 Nce7 12.Nbd2 c6 13.Qb3 Qb6 (13...Rb8 14.Bd3 Ng6 15.Ba3=) 14.Rfc1 Nf5 (14...Ng6+=) 15.e4 (better 15.h3!? Bf3 16.Qb6 Nb6 17.Nf3+=) 15...Nf4=+ 16.Qb6? (16.Bd1 Qb3 17.ab3=+) 16...ab6?? (better 16...Ne2 17.Kf1 ab6-+) 17.Bc4 Nd6 18.Bf7?? (better 18.Bf1 Bf3 19.gf3=) 18...Nf7-+ 19.e5 (19.Rcb1 Rfe8 20.e5 Be7-+) 19...Be7 (19...Ne2 20.Kf1 Nc1 21.Bc1-+) 20.h3 (20.Re1 Nd3 21.Reb1 b5-+) 20...Bf3 (20...Ne2!? 21.Kf1 Nc1 22.Bc1-+) 21.Nf3 Nd5 0-1. dannysmet (2060) - Rumpelwurst (2065), Rated Blitz game, lichess.org, 2020.

11.d4 Re8 12.Nc3 Nc3 13.Bc3 a6 14.Qb3 b5 15.Rfd1 Qc8 (15...Qd6 16.Rac1=) 16.Rac1 Nd8 (16...Qd8 17.h3 Bf5 18.a4 ba4 19.Qa4+=) 17.h3+– Bh5 (17...Bf5 18.d5 Bc3 19.Qc3+–) 18.Ba5 c6 19.Bd8 Rd8 20.Rd2 Bg6 21.Qc3 The backward pawn on c6 becomes a target (21.Bd3 Bd3 22.Rd3 Qd7+=) 21...Be4= 22.Ne5 The pressure on the backward pawn c6 grows (22.Ne1!?=) 22...Be5=+ 23.de5 Qb7 (23...Rd2 24.Qd2 Qe6 25.Qd4=+) 24.Rcd1 The mate threat is Rxd8 24...Bd5?? (24...Qe7!?=) 25.Bf3?? (25.e4 Rac8 26.Bf3 Qe7 27.ed5 cd5 28.Rd5 h6+–) 25...Rac8?? (better 25...Qb6 26.Bd5 cd5 27.Rd5 Rd5 28.Rd5 Re8+–) 26.e4+– Be6 (26...Qa8 27.ed5 cd5+–) 27.Rd8 Rd8 28.Rd8 1–0. Van Esbroeck,Dirk – Negroni,Giovanni, corr ICCF TT, 1992.

11.d4 Re8 12.Nc3 Nc3 13.Bc3 Bf5 14.Qb3 Rb8 15.Rfc1 Ne7 16.Bc4 Rf8 17.a4 c6 18.a5 Nd5= 19.Bb2 Qd7 20.Ba3 Rfe8 21.Bd3 Bd3 22.Qd3 Nc7 23.Nd2 Nb5 24.Ne4 Be7 25.Bb2 Bf8 26.Ng5 g6 27.Rc2 Bg7 28.Nf3 Rbc8 29.Qb3 Qf5 30.Rac1 Rcd8 31.a6!+/– ba6. algernon (2245) – palbano (2020), net–chess.com, 2002.

11.Bf6 gf6 12.d4+/-.

11.Bf6 Qf6 12.Na3 Ndb4 (12...Rfd8 13.Qb1 Ne5 14.Nd4=+) 13.Nc2 Bf3 (better 13...a5=) 14.Nb4?? (better 14.Bf3 Nd3 15.Ne1=) 14...Be2-+ (14...Nb4 15.Bf3 Rab8 16.Qa4+=) 15.Qe2 Nb4 16.Rab1 Nc6 (16...Qd6!? 17.a3 Nc2 18.Rb7 Na3 19.d4-+) 17.Rb7 Qd6 18.Rb5 (18.Rfb1 Nd8 19.R7b2 Ne6-+) 18...Rab8 19.Rg5 (19.d4 Rb5 20.Qb5 Rb8-+) 19...Rfd8 (19...Rb2!? 20.Qc4 Rd2 21.Qc3-+) 20.d4 Re8 (20...Qe7 21.Qg4 Qf6 22.Rc5-+) 21.Qg4 g6 22.h4 (22.Qf3-+) 22...Qe6?? (22...Rb2 23.a4-+) 23.Qg3? (better 23.Qe6 fe6 24.Rc1-/+) 23...Qd6 24.Qf3?? (24.Qg4 Rb2 25.a4-+) 24...Ne7 25.h5 h6 (25...Rb2 26.a4-+) 26.hg6 Ng6 (26...fg6!? 27.Ra5-+) 27.Rh5 Kg7 28.Qh3 Rh8 29.f4 Rbg8?? (better 29...Ne7-+) 30.f5+= Nf8?? (better 30...Rb8+=) 31.f6+- Qf6 32.Rf6 Kf6 33.Qf5 (33.Rf5 Kg7 34.Qf3 f6 35.Rf6 Kh7 36.Rf7 Rg7 37.Rf8 Rf8 38.Qf8 h5+-) 33...Ke7 (33...Kg7+-) 34.Qc5 Kd8 (34...Kd7 35.Rd5 Ke8 36.Qc6 Ke7 37.Qc7 Kf6 38.Qf4 Kg6 39.Rd6 Ne6 40.d5+-) 35.Rd5 Kc8 (35...Ke8 36.Qc6 Ke7 37.Qc7 Kf6 38.Qf4 Kg6 39.Rd6 Ne6+-) 36.Qa7 (36.Qc6 Rg2 37.Kg2 Rg8 38.Kf3 Rg3 39.Kg3 Nd7 40.Rd7 f5 41.Qc7) 36...Nd7+- 37.Qa8 (37.Qa6 Kb8 38.Rd7+-) 37...Nb8 38.Qa5 (better 38.Rb5 Kd7+-) 38...Rg6 39.Rc5 Rc6 (39...Na6+-) 40.Rc6 Nc6 41.Qd5 (better 41.Qf5 Kb7 42.Qb5 Kc8 43.Qc6+-) 41...Nd8 42.Qf5 Kb8 43.Qe5 Rg8 44.Qb5 Kc8 45.a4 (45.Qa6 Kd7 46.Qh6 Rg6+-) 45...Rg6 46.a5 Rc6 47.Qf5 Kb8 48.Qd7 Rc1 (48...Rd6 49.Qb5 Ka8 50.Kf2+-) 49.Kf2 Nc6 (49...Nb7 50.Qf7 Na5 51.Qf8 Kb7 52.Qh6+-) 50.Qe8 (50.a6 Ka7 51.Qc7 Ka6+-) 50...Kb7 (50...Ka7 51.Qf7 Na5 52.Qh5 Rc2 53.Kf3+-) 51.Qf7 (51.d5 Na7 52.Qf7 Ka6+-) 51...Rc2 (51...Na5 52.Qh5 Rc2 53.Kf3+-) 52.Kg3 (better 52.Kf3 Rc3 53.a6 Ka6 54.Qf6+-) 52...Ra2 (52...Rc3 53.a6! Ka6+-) 53.Qb3 (better 53.Qa2 Nb8+-) 53...Nb4 54.Qa2 (better 54.Qb4 Kc8 55.Qb5+-) 54...Na2-/+ 55.a6? (better 55.Kg4!? Nb4 56.e4-/+) 55...Ka6-+ 56.Kg4 Kb7 (56...Nb4!? 57.Kf4-+) 57.Kh5 Nb4 58.Kh6 Nd5 (better 58...Nc2 59.g4 Ne3-+) 59.Kg7?? (better 59.e4 Nc3 60.Kg5 Ne4 61.Kf5 Nd6 62.Ke6-/+) 59...Ne3-+ 60.Kf8 (60.Kf6 Ng2 61.Ke6 Kb6-+) 60...Ng2 61.Ke7 Nf4 62.Kf6 Ne2 63.Ke5 Nd4! 64.Kd4 (64.Ke4-+) 64...Kc6 (better 64...Kb6 65.Kc4 Kc6 66.Kb4-+) 65.Kc3?? (65.Kc4 Kd7 66.Kc5 Kd8=) 65...Kd6 (65...Kc5 66.Kd3-+) 66.Kc2?? (66.Kd4 Kd7=) 66...c5 (better 66...Kc5-+) 67.Kc3= Kd5 68.Kc2?? (68.Kd3 Kd6=) 68...Kd4 (68...Kc4 69.Kd2 Kb3 70.Kd1-+) 69.Kc1?? (69.Kd2 Kd5 70.Kd3 Kd6=) 69...c4 (better 69...Kc3-+) 70.Kc2= Kd5 71.Kc1 Kc5 72.Kc2 Kd5 73.Kd2 Kd4 74.Kc1?? (74.Kc2 Kd5=) 74...c3 (74...Kd3 75.Kb2 c3 76.Kb1 Kd2 77.Ka2 c2 78.Kb3 c1Q 79.Kb4 Qc6 80.Ka5 Kd3 81.Kb4 Qb6 82.Ka4 Kc4 83.Ka3 Qb3) 75.Kd1?? (75.Kc2 Kd5=) 75...Kc4 (better 75...Kd3 76.Kc1 c2-+) 76.Kc1= Kd4 77.Kc2 Kc4 0-1. Antares_Sco (1805) - STOCKHAAS (2095), Weekly Blitz Arena, lichess.org, 2018.

11.Bf6 Qf6 12.d4 Rad8 13.Qb3 Rfe8 (13...Nb6 14.Nbd2=) 14.Nc3 (14.Qb7 Rb8 15.Qa6 Rb2+=) 14...Be6 15.Ne4 (15.Qb2 Nc3 16.Qc3 Bd5=) 15...Qg6 16.Qb7 (better is 16.Ng3!? Nf4 17.Qb7 Ne2 18.Ne2+=) 16...Bc8-/+ 17.Qb5 Re4 18.Bd3 Bf5 19.Be4 Be4 20.Nh4 Qh6 (better is 20...Qf6 21.Nf3 Bf3 22.gf3 Rd6-+) 21.Rac1? (better is 21.g3-/+) 21...Qh4-+ 22.Rc6 (22.Qc6 Nf4 23.Qc7 Ne2 24.Kh1 Bg2 25.Kg2 Qg4 26.Qg3 Ng3 27.hg3-+) 22...Qg5 23.f3 (23.g3 Nf4 24.Rb1 Qb5 25.Rb5 Bc6-+) 23...Qe3 24.Kh1 Bd3 (24...Bd3 25.Qb3 Bf1 26.Qe3 Ne3-+) 0–1. Tirado Parra,Alberto (1905) – Johansson,Toni (2070), London Classic Open, 2016.

11.Bf6 Qf6 12.d4 Rad8 13.h3 Bh5 (13...Bf5 14.Qd2=) 14.Nbd2 (14.Qb3!?=) 14...Nc3=+ 15.Qe1 Rfe8 16.Bc4 Nd4 17.Nd4 (17.ed4 Re1 Pinning (17...Re1 Deflection); 17.Nd4 Rd4 Combination) 17...Rd4 18.Qc1?? (better 18.ed4 Re1 19.Rfe1-/+) 18...Rc4!-+ 19.Nc4 (19.Kh1 Rh4 20.a3-+) 19…Ne2 (19...Ne2 20.Kh1 Nc1 21.Rac1 Be2-+) 0–1. retiponziani (1930) – rikis (2185), ChessWorld.net, 2016.

11.Bf6 Qf6 12.d4 Rfe8 13.Qb3 Nf4 14.Bd1 Nh3 15.Kh1=.

11.Bf6 Qf6 12.d4 Rfe8 13.Qd2=.

11.Bf6 Qf6 12.d4 Rfe8 13.Nbd2? Nc3-+ 14.Qe1 Ne2 15.Qe2 Nd4! 16.Qd1 (16.Nd4 Be2) 16...Nf3 17.Nf3 Red8 18.Qe2 Bf3 19.Qf3 Qf3 20.gf3 Rd2 21.a4 Rad8 22.Rfc1 R8d7 23.Kf1 Kf8 24.Ke1 Ke7 (better is 24...R2d6!?-+) 25.Rc7=+ Rc7 26.Kd2 Kd6 27.Ra3 a6 28.Rc3? (better is 28.Rb3=) 28...Rc3-+ 29.Kc3 Kc5 30.h4 b5 31.ab5 Kb5 32.Kb3 a5 33.f4 a4 34.Ka3 Kc4 (34...g6-/+) 35.Ka4? (better is 35.f5=+) 35...Kd3-+ 36.Kb4 Ke2 37.e4 Kf3 38.e5 Kf4 39.Kc3 Ke5 40.Kd3 Kf4 41.Ke2 Kg4 42.f3 Kh4 43.Ke3 Kg3 44.Ke4 h5 (45.Kf5 Kf3-+) 0–1. hal1958 – Hflew, HCL–T104 playchess.de, 2003.

9.0-0 Na5 10.Qc2 -/+.

9.0-0 Ne4 10.Bc4 Bf3 (10...Ng5 11.d3-/+) 11.Qf3=+ Qh4 (11...Nd2 12.Qg3 g6 13.Rd1=+) 12.d4 (12.d3 Bd6 13.g3 Bg3 14.fg3 Qe7 15.de4 Rae8+–) 12...Bd6 13.g3 Qe7 14.h4 (14.Nc3 Nd2 15.Qd5 Nf1 16.Rf1 Rfe8-/+) 14...Kh8 (14...Rfe8 15.Nc3 Nd2 16.Qd5-+) 15.Qe2 (15.Nc3 Nd2 16.Qd5 Nf1 17.Rf1 a6-/+) 15...f5 16.Kg2 Rae8=+ 17.Nc3 Rf6?? 18.Nd5+/– Qf7 19.Nf6+– Qf6 20.d5 Ne5? 21.f4+– Ng3 22.Kg3 Qg6 23.Kf2 Ng4+/– 24.Kf3 Qh5 25.Rh1?? Ne3=+ 26.Kg3 Qg6 27.Kh3 Bf4?? 28.Rhg1+– Ng4 29.Qf3 Re3 30.Qe3 Be3 31.Rg3 Nf2?? 32.Kg2 Qe8?? 33.Bg7+– Kg8 34.Bh6 Kf7?? 35.Re3 (35…Ne4 36.Rg1+–; better is 35.d6 Qe6 36.Be6 (36.Re3 Qc4 37.dc7 Ng4-+; 36.Be3?! Qc4 37.d7 Qh4+/–) 36...Ke6 37.dc7+–) 1–0. Ben Azzouz,Benjamin (1670) – Grima,E, FRA–ch op–B Paris, 1994.

9.Bc4 Na5 10.Be2 Qd5 11.0-0 Nc4 12.Bf6 gf6 13.Qb3 Bf3 14.Bf3 Qc5 15.d4 Na5 16.dc5 Nb3 17.ab3 Bc5 18.Bb7 Rad8 19.Nc3 Rd3 20.Ne4 Bb6 21.Nf6 Kg7 22.Nh5 Kh6 23.Nf4 Rb3 24.Ra4 Rd8 25.Nd5 Be3 26.Ne3 Rb7 27.Rfa1 Ra8 28.g3 c5 29.Ra6 Kg7 30.R1a5 Rc7 31.Nf5 Kf8 32.Rh6 c4 33.Ra2 c3 34.Rc2 Rd8 35.Rh7 Kg8 36.Rh4 Rd2 37.Ne3 Rc5 38.Rd2 cd2 39.Rd4 Rc1 40.Kg2 a5 41.Kf3 Rh1 42.Rd2 Rh2 43.Ng4 Rh1 44.Ra2 f5 45.Ne5 Kg7 46.Ra5 Kf6 47.Nd3 Rd1 48.Ke2 Rb1 49.Nf4 Rb2 50.Kf3 Rb3 51.Kg2 Kg5 52.Ne6 Kf6 53.Nd4 Rb2 54.Rf5 Kg6 55.Rf4 Rb4 56.Nf3 Rb2 57.Nh4 Kg7 58.Kh3 Kh8 59.Kg4 Rf2 60.Rf5 1-0. tpape (2050) - Arthas (2140), Rated Blitz game, lichess.org.

9.Bc4 Na5 10.Be2 Bd6 11.0-0 Re8 12.d4 Be6 13.Nbd2 =.

9.Bc4 Na5 10.Be2 Ne4 11.Nc3= f5 (11...Bc3 12.Bc3 Nc6 13.0-0=) 12.0-0 Nc6 (12...Bf3 13.Bf3 Qd3 14.Ne4 fe4 15.Be2+=) 13.Qc2 Nc3 (13...Qe7 14.Rfd1 Kh8 15.h3 Bf3 16.Bf3 Bc3 17.Bc3+–) 14.dc3 (14.Bc3 Bc3 15.Qc3 Rb8+–) 14...Bd6 Black plans f4 15.h3 (15.Rad1 Qe7+=) 15...Bh5 16.Rfd1 (16.Rad1 Qe7+=) 16...Qe7 17.Rd5 (17.Rab1 Kh8+=) 17...Bg6 18.Qa4 (18.Bd3 Rad8+=) 18...f4= 19.Bc4 (19.Bc1 Kh8=) 19...Kh8 (19...fe3?? 20.Re5 Kh8 21.Re7 ef2 22.Kf2 Ne7 23.Ba3+–) 20.Re1 Qd7 (20...fe3!? 21.Re3 Qf6=) 21.e4+= Bf7 (21...Rad8 22.Rg5+=) 22.Rd2 (22.Rd3 Bh5 23.Bb5 Qe6+=) 22...Rae8 23.Bf7 Qf7 24.Ba3 Ne5? (better 24...Qe7! 25.Bd6 cd6+=) 25.Ne5+– (25.Bd6?! Nf3 26.gf3 cd6 27.Rd6 Qh5+=) 25...Re5 26.Rd6 (26.Bd6?! cd6 27.Rd6 f3+–) 26...cd6 27.Bd6 Rg5 (better 27...b5 28.Qd4 Ree8 29.Bf8 Rf8+–) 28.Bf8 f3 29.g3 (29.g4!? Qf8 30.e5 Qe7+–) 29...Qf8 (29...Rg3 30.fg3 f2 31.Kf1 fe1Q 32.Ke1 Qf8 33.Qa7+–) 30.Qa7 h5 (30...h6 31.h4 Rg6 32.Qe3+–) 31.h4 (31.h4 Rg4 32.Qe3+–; 31.Qb7 Qd6 32.e5 Qd2 33.Qa8 Kh7 34.Qe4 g6+–) 1–0. Leonco – Renkis, internet corr, 2018.

9.Bc4 Rb8 10.0-0 Qe7 11.Nc3 Rfd8 12.d4 a6 13.Qe2=+.

9.Bc4 Nd5 10.0-0 Nb6 11.Be2 Re8 12.d3 Be6 13.a3 =.

9.Bc4 Qd6 10.0-0 Bf3 (better is 10...Rae8!?+=) 11.Qf3+= Ne5 12.Qe2 (12.Be5 Qe5 13.d4 Qe4+=) 12...Nc4 (12...Nfg4!? 13.g3 Qc6 14.Be5 Ne5+=) 13.Qc4= Nd7 14.d4 Nb6 15.Qe2 c5?? (15...Qe7 16.Nc3=) 16.dc5?? (better is 16.a3+–) 16...Qc5 17.a3 Ba5 18.Bd4 Qd6 19.Rd1 Nd5 (19...Rfd8 20.Qf3=) 20.Qb2 f6 (20...Bc7 A) worse is 21.Bg7 Qh2 22.Kf1 Qh1 23.Ke2 Qh5 24.Ke1 Nf4-/+; B) 21.Qb7?? Rfb8 (21...Qh2?! 22.Kf1 Qh1 23.Ke2 Qg2 24.Qa6-+) 22.Qb8 Rb8-+; C) 21.g3 Nb6 22.a4+=) 21.Bc3+/– Qc5? (21...Bc7 22.g3 Qe6 23.Qb7 Rad8 24.Qa7 Rd7+–) 22.Ba5+– Qa5 23.Qb3 (23.Qb7?! Rfd8 24.Qb3 Rab8+/–) 23...Rad8 24.e4 (24.Qb7?! Ne3 25.Qb3 Nd5=) 24...Rfe8 25.Nd2 Re5?? (25...f5 26.ed5 Qd5+–) 26.Nc4 Qc7 27.Ne5 Qe5 28.ed5 Kh8 (28...Qe7 29.d6 Qf7 30.Qa4+–) 29.Rac1 (29.Qb7!? a5+–) 29...b6 30.d6 h6 (30...Qe8+–) 31.d7 Qb8 32.Qf7 Kh7 33.Qe7 (33.Qe7+–) 1–0. forsetinn (1655) – china42, gameknot.com, 2013.

9.Bc4 Qd6 10.a3 Ba5 11.0-0 Rad8 12.d4 Ne5 13.Be2 Nf3 14.Bf3 Bf3 15.Qf3 c6 16.Rc1 Bc7 17.Qh3 Ne4 18.f3 Ng5 19.Qh4 Qe7 20.Qf2 Rfe8 21.Rc3 Qd6 22.Qh4 Qg6 23.Kh1 Ba5 24.Rc5 Re3 25.Ra5 Qc2 26.Nc3 Qb2 27.Rg1 Qc3 28.Qg5 Rde8 29.Qc5? Qa1 30.g3?? Re1 31.Re1 Qe1 32.Kg2 g6 33.Qb4 (33.Ra7 h5 34.f4 Qe2 35.Kh3 Qg4 36.Kg2 h4-+) 0–1. pierred – moniketta2005, Yahoo, 2005.

9.Bc4 Qd6 10.d4 Rad8 11.Nc3 Bc3 12.Bc3= Ne4 13.Rc1 Qg6 14.Re1 Rfe8 15.Bb2 Rd6 16.Bd3 Qe6 17.Bc4 Qf5 18.Be2 Bh3=+ 19.Ba3 Rg6 20.g3 Rf6 21.Bb2 Bg4 22.Kg2 Rd8-+ 23.Ba1 Qh5 24.Rh1 Qh3 25.Kg1 Bf3 26.Bf3 Qf5 27.Kg2 Ng5 28.g4 Qf3 29.Qf3 Nf3 30.h4 h6 31.Rh3 Nd2 32.Rc2 Nb1 33.d5 Rd5 34.Bf6 gf6 35.Rb2 Nc3 36.Rb7 Rd7 37.a3 f5 38.gf5 Ne4-/+ 39.Rb2 Kg7 40.f3 Rd2 41.Rd2 Nd2 42.Kf2 Kf6 43.e4 Ke5 44.h5 Kf4 45.Rh4 Kg5 46.Rg4 Kh5 47.Rg8 Ne5-+ 48.Ra8 Ndf3 49.Ra7 c5 50.Rf7 Nf7 51.Kf3 Kg5 52.a4 Ne5 53.Ke3 Nc4 54.Kf3 h5 55.Ke2 Kf6 56.Kf3 Ne5 57.Kf4 c4 58.a5 c3 59.Ke3 Nc4 60.Kd3 Na5 61.Kc3 0–1. Bonetti,Shane – guest212, ICC, 2002.

9.Bc4 Bd6 10.0-0 a6 11.d4 Qe7 12.Nbd2 Rfe8 13.d5=+.

9.Bc4 Ne5?? 10.Be5+– Qe7 11.Bc3 Bd6 12.Bf6 Qf6 13.Nc3 Rfe8 14.h3 Bh5 15.Rb1 b6 16.Bb5 Red8 17.Bc6 Rab8 18.Qc2# 1–0. pierre (2170) – Arkantos (1700), internet, 2008.

9.Bc4 Be6 10.Be6 fe6 11.Qc2 -/+.

9.Bc4 Bg4 10.0-0 Bf3 11.Qf3= Nd2 (11...Qe7!?=) 12.Qg4+– g6 13.Nd2 Qd2 14.Rab1 Bd6 (14...Qc2 15.Qh4 Bd6 16.Qf6+=) 15.Rfd1 (15.Qh4 Be5 16.Rfd1 Qc2 17.Be5 Ne5+=) 15...Qc2 16.Bb3 Qf5 17.Qf5 gf5 18.Bc2 b6 (18...f4 19.ef4 Rfe8 20.g3+–) 19.Bf5+– Rad8 20.Kf1 (20.g4 Rfe8+–) 20...Ne7 21.Rd4 f6 22.Be6 Kh8 (22...Kg7 23.Rbd1+–) 23.f4 (23.Ra4 a5+–) 23...Kg7 (23...Nc6 24.Re4+–) 24.g4 Ng6 (24...h6 25.Re4+–) 25.Bb3 (25.Rd3 Rfe8 26.Bb3 h6+–) 25...Rde8 (25...Rfe8 26.Rd3+–) 26.Rd3 h6 27.Kf2 Re7 28.Rc1 (28.Ba4 Bc5 29.Kf3 a6+–) 28...Rfe8 (28...Bc5 29.Rc5! bc5 30.Ba3+–) 29.Ba4 Rf8 (29...Rd8 30.Rcd1+–) 30.Rcc3 (30.Bc3 a6+–) 30...a6 (30...Rd8 31.Bc6+–) 31.Kf3 (31.Bc6 Rd8+–) 31...Nh4 (31...b5 32.Bc2+–) 32.Kg3 Ng6 (32...b5 33.Bd1 Ng6 34.Rc6+–) 33.h4 White prepares the advance g5 (33.Bc6 Rd8+–) 33...Rd8 34.Bc2 b5 (34...Ree8!?+–) 35.g5+– fg5 (35...hg5 36.hg5 fg5 37.Rc5 Kf7 38.Rf5 (38.Rg5?! Bf4 39.ef4 Rd3 40.Bd3 Re3 41.Kg4 Rd3=) 38...Ke8 39.Rg5+–) 36.hg5 hg5 37.Rc5 Kf7 38.Rf5 (38.Rg5?! Bf4 39.ef4 Rd3 40.Bd3 Re3 41.Kg4 Rd3=) 38...Ke8 39.Rg5 Re6 40.Kf3 Nf8 (40...Ne7 41.Rh5 Nc6 42.Bb3+–) 41.Rg8 c5 42.Rd5 (42.Rd5 Be7 43.Rd8 Bd8 44.f5+–) 1–0. Guevara i Pijoan,Josep (2290) – Fels,Bernhard (2205), corr TT/1/14/1 ICCF, 2014.

10.0-0 b5 11.Be2 Be7 12.d3 Qd6 13.Nbd2 Rad8 14.a4 h6 15.ab5 ab5 16.d4 Qd5 17.Qb3+= Qb3 18.Nb3 Rb8 19.Rfc1 Rb6 20.Nc5 Rd8= 21.h3 Bf5 22.Nd2 Bc8 23.Bf3 Kf8 24.Ndb3 h5 25.Ra2 g5+= 26.e4 g4 27.hg4 hg4 28.Be2 Nh5 29.d5 Nf4 30.Bf1 Nb8 31.Ra7 Bd6 32.Bd4 Na6 33.Na6 Ra6 34.Ra6 Ba6 35.Nc5 Bc8 36.Bb5 Be7 37.Rc2 Bd6 38.g3 Nh3 39.Kh1 Ng5 40.Bf6 Be7 41.Bg5 Bg5 42.Kg2 Rd6 43.Nd3 Bd8 44.Bc6 Rh6? 45.Ra2 Rc6 46.dc6 Be6 47.Ra8 Ke7 48.Nc5 Kd6 49.Ne6 Bf6 50.Nc7 Kc7 51.Ra7 (51.Ra7 Kc6 52.Ra6 Kc5 53.Rf6+–) 1–0. Pierred (2145) – Membrain (2350), Rated game, 2m + 0s, 2005.

10.0-0 Bd6 11.d4 Re8 12.Nbd2 Qe7 13.Qb1=+.

10.0-0 Bd6 11.d4 h6 12.Bd3 Re8 13.a3 Nh7 14.Nbd2 Ng5 15.Be2 Nf3 16.Nf3 Ne7 17.h3 Be6 18.Bd3 c6 19.Qc2 Bc7 20.Rfc1 Nd5 21.Rcb1 Rb8 22.Bc1 Nf6 23.e4 Qe7 24.Bd2 Red8 25.Qc1 Qf8 26.e5 Nd5= 27.Qe1 Ne7 28.Bb4 Qe8 29.Bc5+= White gets kings attack 29...b6 30.Be7 Qe7 31.Qe4 f5 32.Qc6+– Ra8 33.Rc1 Rdc8 34.d5 Be5 35.Qe6 Qe6 36.de6 Ba1 37.Ra1 g6 38.a4 Kg7 39.Re1 Kf6 40.Ne5 Ke6 41.Ng6 Kf6 42.Nf4 Rc6 43.Nd5 Kf7 44.Re7 Kg6 45.Rb7 Rd6 46.Rb6 Rad8 47.Ba6 Kg7 48.Rd6 Rd6 49.Bc4 Rc6 50.Bb5 Rc5 51.Nf4 Rc1 52.Kh2 Kf6 53.Kg3 Ra1 54.Nd3 Ra3 55.Kf4 Rb3 56.g4 fg4 57.hg4 Rb1 58.Nc5 Rb4 59.Kg3 Rb1 60.f4 Ra1 61.Kf3 (61.Kf3 Ke7 62.f5+–) 1–0. Johansson,Ragnar – Kaerrman,S, corr SSKK, 1989.

10.a3 Ba5 11.0-0 Qd6 12.d4 b5 13.Bb3 Rfe8 14.Qc2 Bf3 15.gf3 Ne7 16.Rc1 =+.

10.a3 Bd6 11.Qc2 Bf3 12.gf3 Ne5 13.Be2 Ng6 14.f4 Re8 15.Rg1 Qe7 16.Qf5 =.

10.a3 Be7 11.Qc2 Qd7 12.d3 Bf3 13.gf3 b5 14.Ba2 Rfd8 15.0-0 Na5 16.Qc3 =+.

10.Qc1 a5 11.Qc2 Bd6 12.0-0 Nb4 13.Qc3 Bf3 14.gf3 Qd7 15.f4 Rfe8 16.a3 -/+.

10.Qc1 Ra7 11.Qc2 Bf3 12.gf3 Re8 13.Qb3 Qe7 14.Rg1 Rf8 15.Bd5 Ne5 16.f4 =+.

10.Qc1 Rb8 11.Be2 Ne4 12.Nc3 Nc5 13.d4 Bf3 14.gf3 Na4 15.a3 Ba5 16.Qc2 =+.

10.Qc1 Nd5 11.a3 Be7 12.d4 Bf3 13.gf3 Re8 14.Nd2 Rb8 15.Qc2 Bh4 16.0-0 =.

10.Qc1 Qd6 11.Be2 Rfe8 12.a3 Ba5 13.0-0 Nd5 14.Qc4 Qe6 15.Rc1 Re7 16.Bg7 =.

10.Qc1 Bd6 11.d4 Bf3 12.gf3 Qd7 13.Nd2 Rfe8 14.d5 Ne5 15.f4 Nc4 16.Qc4 =+.

10.Qc1 Ne4 11.a3 Ba5 12.h3 Bh5 13.Be2 Re8 14.Qd1 Rb8 15.Nc3 Bc3 16.Bc3 =+.

10.Qc1 Qe7 11.Be2 Rfe8 12.0-0 Nd5 13.a3 Bd6 14.Nc3 Nf6 15.d4 Rad8 16.Rd1 =.

10.Qc1 Be7 11.d4 Bf3 12.gf3 Re8 13.Nd2 Qd7 14.a3 Rad8 15.Qc2 Nd5 16.Bd3 =+.

10.Qc1 Re8 11.Qc2 Ne4 12.a3 Ba5 13.h3 Bh5 14.Qd3 Bg6 15.Qd8 Rad8 16.Bc3 -/+.

10.Qc1 Bf3 11.gf3 Qd6 12.a3 Ba5 13.Qc2 Rfd8 14.Nc3 Ne5 15.Be2 c5 16.Rd1 =+.

10.Qc2 Ba5 11.0-0 Nb4 12.Qa4 c5 13.Be2 b5 14.Qd1 Bf5 15.Ne5 Re8 16.a4 -/+.

10.Qc2 Na5 11.Ng5 Nc4 12.Bf6 Bd2 13.Nd2 Qd2 14.Qd2 Nd2 15.h3 Bf5 16.Be5 =+.

10.Qc2 Bc5 11.Ba6 Ra6 12.Qc5 Rb6 13.Bc3 Qd3 14.Na3 Ra8 15.Qc4 Qf5 16.Nd4 =+.

10.Qc2 Qd6 11.Be2 Rfe8 12.a3 Ba5 13.0-0 Rad8 14.Rc1 Ne4 15.d4 Qe6 16.Nc3 =.

10.Qc2 Bd6 11.Ng5 Be5 12.d4 Bd6 13.Nc3 Bh5 14.Bd3 Nb4 15.Bh7 Kh8 16.Qb1 =.

10.Qc2 Be6 11.0-0 Bc4 12.Qc4 Bd6 13.Rc1 Re8 14.d3 Nb4 15.Ng5 Qe7 16.Nd2 =.

10.Qc2 Qe7 11.Ng5 Ne5 12.a3 Bc5 13.Bf7 Rf7 14.d4 Bd4 15.Bd4 Rff8 16.f4 =.

10.Qc2 Be7 11.Ne5 Ne5 12.Be5 c5 13.a4 Bd6 14.Bd6 Qd6 15.0-0 Be6 16.a5 =+.

10.Qc2 Bf3 11.gf3 Bd6 12.Qf5 Ne8 13.f4 b5 14.Bd3 g6 15.Rg1 Ng7 16.Bg7 =+.

10.Qc2 Bh5 11.0-0 Bf3 12.gf3 Bd6 13.Qf5 Be7 14.Rc1 Ne8 15.Bb3 Nb4 16.Bc3 =.

10.Qc2 h6 11.a3 Bd6 12.d4 Bf3 13.gf3 Qe7 14.h3 Rae8 15.Rg1 Kh8 16.Nd2 =.

10.Nc3 b5 11.Be2 Re8 (11...Bd6 12.d4=+) 12.0-0 Nd5 (12...Bd6 13.d4=+) 13.Nd5 (13.a4 Rb8=) 13...Qd5 14.a3 Bd6 15.Qc2 Re6 (15...Ne5 16.Be5 Be5 17.d4=+) 16.Qc3 (better 16.Rfc1!?=) 16...Ne5-/+ 17.Nd4 Be2 18.Ne2 Rg6 19.Ng3 h5 (19...Nd3 20.f4-/+) 20.Qd4 (20.d4!? Nc4 21.e4=+) 20...Qd4-/+ 21.Bd4 (21.ed4? Nd3 22.Bc3 Nf4-+) 21...h4 22.Nf5 (22.f4!? Nd3 23.Nf5-/+) 22...h3 23.g3 Nf3 24.Kh1 Nd2 25.Rfd1 Ne4 26.Nd6 (26.Kg1 Bf8-/+) 26...Nf2 (worse 26...cd6 27.Kg1-/+) 27.Kg1 Nd1 28.Rd1? (better 28.Nf5 Ne3! 29.Ne3-+) 28...Rd6 29.Rc1 c6 30.Kf2 Rad8 31.Kf3 Rd4 (better 31...Kh7!? 32.Rc5-+) 32.ed4 Rd4 33.Rc6 Rd3 34.Kg4 Ra3 35.Kh3 (35.Rb6 Ra4 36.Kh3 b4-+) 35...b4 36.Rb6 b3 37.Kh4 a5 38.Rb5 (38.Kg5 a4 39.Rb8 Kh7-+) 38...a4 (better 38...Ra4!? 39.g4 Rb4 40.Rd5-+) 39.Rb4 (39.Rb8 Kh7 40.g4-+) 39...Ra2 40.Kg4 b2 41.Kf3 (41.Rb8 Kh7 42.Rb5 a3 43.Rh5 Kg6 44.Rg5 Kf6-+) 41...a3 (better 41...Ra3 42.Kg4 Rb3 43.Ra4 b1Q-+) 42.Ke2 (42.Kg4-+) 42...Ra1 (42...b1Q 43.Ke3 Qb4 44.g4 Rd2 45.h4 Qd4 46.Kf3 Rf2 47.Kg3 Qe3) 43.Kd2 b1Q (43...b1Q 44.Kc3 Qe1 45.Kc4 Rc1 46.Kb5 Qe8 47.Kb6 Qb8 48.Ka6 Rc6 49.Ka5 Qa7 50.Kb5 Rc5) 0-1. AhmedSultanov (1710) - borisjlove (1755), lichess.org, 2019.

10.Nc3 Ne5 11.Be2 Bf3 12.gf3 Nd3 13.Bd3 Qd3 14.Qb3=+.

10.Be2 a5 11.0-0 Re8 12.d4 Qd7 13.a3 Be7 14.Nc3 Rad8 15.h3 Bh5 16.Qb3 =.

10.Be2 Ra7 11.0-0 Re8 12.d3 Be6 13.Qc2 Bd6 14.a3 Nd5 15.Nbd2 Qd7 16.Ne4 =.

10.Be2 Rb8 11.0-0 Bd6 12.d4 Re8 13.Nc3 Qe7 14.a3 Rbd8 15.Qa4 Be6 16.Rfb1 =.

10.Be2 Rc8 11.0-0 Re8 12.d3 Qe7 13.Nd4 Ne5 14.Nf3 Ng6 15.Qc2 Nf4 16.Bd1 =+.

10.Be2 Nd5 11.0-0 Re8 12.Nc3 Bf5 13.a3 Nc3 14.dc3 Bd6 15.Qb3 b6 16.Rfd1 =.

10.Be2 Qd6 11.a3 Ba5 12.0-0 Rad8 13.d4 Rfe8 14.Nbd2 Bd2 15.Qd2 Be6 16.a4 =.

10.Be2 Bd6 11.0-0 Re8 12.d4 Qe7 13.Nbd2 Rad8 14.Nc4 Be6 15.Nd6 Qd6 16.a4 =.

10.Be2 Be6 11.0-0 Qe7 12.Qc2 Bd6 13.a3 h6 14.d4 Rfe8 15.Rd1 Nd5 16.Bd3 =.

10.Be2 Qe7 11.0-0 Rfd8 12.d3 Rd7 13.a3 Ba5 14.Qb3 Bb6 15.Nbd2 Rad8 16.Rfd1 Be6 17.Qc2 Na5 (17...Bd5 18.Nc4+=) 18.Ne5 (18.Rac1 Bd5+=) 18...Rd6 19.d4 Nd7 20.Nef3 (20.Nd7 R6d7 21.Bc3 c5 22.dc5 Qc5+=) 20...c5 (Better is 20...Nf6!?=) 21.Bd3 cd4 22.Bh7 Kh8 23.Bd4 Bd4 24.Nd4 g6 25.Qc3 Kh7 26.Qa5 Nf6 27.Rac1 Rd5 28.Qb6 R8d6 29.Qc7 Rd7 30.Qg3 Nh5 31.Qf3 Nf6 32.Qf4 Nh5 33.Qb8 Nf6 34.Rc3 Rd8 35.Qg3 Ra5 36.Rd3 Ra3 37.Ra3 Qa3 38.Qh4 Kg7 39.Ne4 Qa4?? 40.Ne6 fe6 41.Qf6 (41...Kh7 42.Ng5 Kh6 43.Nf7 Kh7 44.Rd8 Qa1 45.Qa1 e5 46.Qe5 g5 47.Qg5 b5 48.Rh8#) 1–0. Trokenheim,Marek – ChessVP, ICC, 2004.

10.Be2 Qe7 11.0-0 Rfd8 12.d3 Qe6 13.Qc2 =.

10.Be2 Qe7 11.0-0 Rfe8 12.d3 Rad8 13.Nc3 Bd6 14.Rb1 Ne5 15.d4 Nf3 16.Bf3 =+.

10.Be2 Re8 11.0-0 Qe7 12.d4 Be6 13.Ng5 Bf5 14.Bc4 Bg6 15.Nc3 Rad8 16.Nf3 =+.

10.Be2 Bf5 11.0-0 Re8 12.d3 Qe7 13.a3 Bd6 14.Nbd2 Rad8 15.Qc2 Nh5 16.Ne4 +=.

10.h3 Be6 11.Be6 fe6 12.Qb3 Nd5 13.a3 Bd6 14.Nc3 Na5 15.Qc2 Qe7 16.d3 =.

10.h3 Bf5 11.0-0 b5 12.Be2 Bd6 13.a4 b4 14.d3 Re8 15.Nbd2 Ne5 16.Ne5 =.

10.h3 Bh5 11.0-0 Re8 12.d4 Qe7 13.Qe2 Ne4 14.a3 Bd6 15.Rc1 Na5 16.Ba2 =+.

10.0-0 Nde5-/+ 11.Be2 Nd3 12.Qb3 Nb2 13.Qb2 Rb8 14.d4 Qd5 15.Nbd2 Ba5 16.Bc4= Qh5 17.h3 Be6 18.Be6 fe6 19.Rab1 Qg6 20.Qb3 Bd2 21.Nd2 ½–½. Waibel,Ulrich – Woschkat,Karl_Heinz, compuserve, 1996.

10.0-0 Nde5 11.Be2 Nf3 12.Bf3 Bf3 13.Qf3 Qd3 14.Qg3 f6 15.Qc7 Ne5 16.Rc1+= Qf5 17.Ba3 Rac8 18.Qb7? Black creates threats along the open b–file 18...Rc1-+ 19.Bc1 Qc2 20.g3 Qc1 21.Kg2 Qb2 22.Qd5 Nf7 23.Qd4 Qd4 24.ed4 Rd8 25.a3 Ba5 26.Ra2 Rd4 27.Rb2 Bb6 28.f4 Nd6 29.Rc2 Kf7 30.Kf1 Ke6 31.Rc1 h5 32.Ke2 h4 33.Nc3 Kf5 34.d3 Kg4 35.Nd1 Ra4 36.Nc3 Ra3 37.Nd5 Nf5 38.Rc8 Ra2 39.Ke1 h3 40.Rg8 Rh2 (40...Rh2 41.Kd1 Bd4-+) 0–1. Pierred (2145) – OmegaPoint (2435), Rated game, 2m + 0s, 2005.

10.0-0 Nde5 11.Be2 Nf3 12.Bf3 Bf3 13.Qf3 Qd3 14.Qg3 Qg6 15.Qg6= hg6 16.d4 Rfe8 17.Rc1 Rad8 18.Bc3 Bf8 19.Nd2 Ba3 20.Rc2 Rd7 21.Rb1 b6 22.Kf1 a5 23.Ba1 Re6 24.Nf3 f6 25.e4 Nd8 26.Re2 Re8 27.Bc3 Nf7 28.Re3 c5 29.Rb6 Nd6 30.Ra6 cd4 31.Bd4 Nc4 32.Re2 Red8 33.Bc3 Rd1 34.Be1 Bb4+= 35.g3 Kh7 36.h4 R8d3 37.Kg2 ½–½. pierre – Jacek Byrski, internet, 2006.

10.0-0 Nde5 11.Be2 f6?? 12.Qc1?? Ba5 13.Qc4?? Nf7 14.Bd3 g6 15.Bf5?? (15.Be4 Bd7 16.Ba3+/–) ½–½. Waibel,Ulrich – Woschkat,Karl_Heinz, corr EKTh–112, 1996.

10.Qc2 Nb6=+.

10.Be2 Re8 11.0-0 Nb6 12.d3 Be6 13.a3 =.

10.0-0 Na5 11.Qa4 Bf3 12.gf3 Nd2 13.Be2 Qg5 14.Kh1 Nf1 15.Qb4 Ne3 16.fe3 Qe3 17.Qg4 f6 18.Nc3 Rad8 19.Re1 Rf7 20.Ne4= Qb6 21.Bc3 Rd5 22.Qg5?? fg5-+ (22...fg5 23.Kg2 g4 24.fg4 Rf4-+) 0–1. Gosme,Emile (1805) – Atienza,Hilario (1710), IECC, 1998.

10.0-0 Na5 11.Be2= Nc6 12.Bc4 Na5 13.Be2= Nc6 14.Bc4 Na5 (14...Nd6 15.Be2=) ½–½. Bonetti,Shane – HUMILIATION, ICC, 2002.

10.0-0 Qd6 11.a3 Na5 12.Be2 Bc5 =.

10.0-0 Qd6 11.d4 Rae8 12.a3 Ba5 13.d5=+.

10.0-0 Qd6 11.d4 Qh6 12.Ba3 Ba3 13.Na3 Bf3 14.gf3 (14.Qf3 Nd2 15.Qf5 Nf1 16.Rf1 Rae8-/+) 14...Ng5 (14...Qg6 15.Kh1 Nc3 16.Qb3=) 15.f4 (15.Rb1 Qd6 16.Nb5 Qf6=) 15...Ne4 (15...Nh3 16.Kg2=+) 16.Qg4 a6 17.Bd3 (17.Rfb1 Qd6 18.Nc2 Nd2-+) 17...f5 18.Qg2 Rf6 19.Kh1 Nd6 20.Nc4 Nc4 21.Bc4 Kh8 22.Rab1 Na5 23.Bd3 Qh5 24.Qg5 Qf7 25.Rg1+= Rd8 26.Bf5 (26…Rd5 27.e4 Rd4 28.Bh7 Kh7 29.Qa5 Rf4 30.Rb7 Rf2 31.Qc3 Re4 32.Rc7 Rh2 33.Kh2 Qf2 34.Rg2 Rh4 35.Qh3 Qf4 36.Kg1 Qd4 37.Kf1 Rh3 38.Rgg7 Qg7 39.Rg7 Kg7 40.Kf2-+). Skonieczny,Jerzy – Fryntkowski, corr Poland, 1995.

10.0-0 Re8 11.a3 Bd6 12.d3 Ng5 13.Nbd2 Na5 14.Ba2 Nf3 15.Nf3 c5 16.h3 Bh5 17.Rb1 a6 18.Bc3 b5 19.Bd5 Rc8 20.Re1 Nc6 21.Qb3= Bb8 22.Bb2 Qd6 23.Kf1 Red8=+ 24.Qc3 Qf8 25.Be4 Bf3 26.Bf3 Be5 27.Qc2 Bb2 28.Rb2 Ne5 29.Be2 Qd6 30.Rd1 Qe6 31.Rb3 c4 32.dc4 ½–½. Skerlik,S – Larsen,S, corr ICCF, 2002.

10.0-0 Re8 11.a3 Bd6 12.d3 Ng5 13.Nbd2 Ne5 14.Be5 Be5 15.Rb1 b6 16.d4 Bd6 17.Bb5 Re6 18.d5 Nf3 19.Nf3 Rf6 20.Be2 Bf3-+ 21.Bf3 Bh2! 22.Kh1 Rh6 23.Bg4 Bd6 24.Bh3 Ba3 25.Qb3 Bc5 26.Rfd1 a5 27.Ra1 Qe8 28.Ra4 b5 29.Rg4 Bd6 30.Kg1 b4 31.Qa2 a4 32.Qb2 Be5 33.Qb4 a3 34.Qe1 a2 35.Re4 f5! 36.Re5 Qe5 37.f4 Qe4 38.d6 Rd6 (38...Rd6 39.Ra1 Rb6 40.Bf5 Qf5-+) 0–1. Pierred (2315) – Hagarx,Fritz 8, Rated game, 5m + 0s, 2005.

10.0-0 Re8 11.a3 Bd6 12.Be2 Ng5 13.d4 Nf3 14.Bf3 Qh4 15.g3 Bf3 16.Qf3 Qh6 17.Nd2 Ne7 18.Rfc1 (worse is 18.Qb7 Rab8 19.Qa7 Rb2-/+) 18...c6 19.a4 Bb4 20.Bc3 a5 21.Bb4 ab4 22.a5 Nd5 23.Rcb1 Red8 24.Kg2 Ra6 25.Nb3 Qg6 26.Nc5 Ra5 27.Nb7 Ra1 28.Ra1 Rf8 29.Nc5 Qc2 30.Qe4 Qe4 31.Ne4 Rb8 32.Rb1 f5 33.Nc5 Kf7 34.h4 Ke7 35.Rb3 Ra8 36.Kf3 Ra2 37.Rb1 Rd2 38.h5 g6 39.hg6 hg6 40.g4 fg4 41.Kg3 g5 42.Ra1 Kf7 43.Ra6 Rc2 44.Ra8 Kg6 45.Rg8 Kh5 46.Nd3 Rc3 47.Ne5 Exerts pressure on the isolated pawn 47...Kh6 48.Rb8 c5 49.Ng4 Kg6 50.dc5 Kf5 51.Rd8 Nf4 52.f3 Nh5 53.Kh3 Nf4 54.ef4 Rf3 55.Kg2 Kg4 56.fg5 Rf7 57.g6 Rg7 58.Kf2 ½–½. Nenciulescu,Silviu Catalin (2055) – Martins,Karin, IECG, 2004.

10.0-0 Bf3 11.Qf3 Nd2 12.Qg4! g6 13.Nd2 Qd2 14.Rab1 Bd6 15.Qh4 Be5 16.Rfd1 Qa5?? (better 16...Qc2 17.Bb3 Qf5+=) 17.Rd5+– Qb4 (17...Qb6 18.Rb5 Bb2 19.Rb6 ab6 20.Rb2 Rfd8+–) 18.Re5 Ne5 (18...Qb2 19.Rb2 Ne5 20.Rb7+–) 19.Bf7! Rf7 (19...Nf7 20.Qf4 Double attack (20.Qb4 Discovered attack; 20.Qf4 Decoy); 19...Rf7 20.Qb4 Discovered attack (20.Be5 Zwischenzug); 19...Kf7 20.Qf4 Double attack (20.Qb4 Discovered attack; 20.Be5 Zwischenzug)) 20.Qb4 Nd3 (20...Re8 21.Rd1 Nd7 22.Qb3+–) 21.Qb7 Rd8 (21...Raf8+–) 22.Rd1 Rdf8 23.Rd3 Rf2 24.Qb3 R8f7 (24...R2f7 25.Rd7 c6 26.Ba3 c5 27.Bc5 h5 28.Bf8 g5 29.Qf7 Kh8 30.Qh7) 25.Rd8 1–0. Leonco – Hickan, internet corr, 2018.

10.0-0 Bf3 11.Qf3 Nd2 Black gets strong play along the open d-file 12.Qg3 g6 Black gets in control 13.Rd1?? (better 13.Nd2 Qd2 14.Rab1=) 13...Nc4-+ Threatening mate... how? 14.Rd8 Rad8 15.Bd4 Nd4 16.ed4 Rd4 Do you see the mate threat? 17.Nc3 (better 17.Qb3-+) 17...Rfd8 18.h4 (18.Rf1 Nd2 19.Re1 Rd3-+) 18...Rd3 19.Qg5 (19.Qc7 Bc3 20.Rf1-+) 19...Bc3 20.Rc1 (20.Rb1 b6-+) 20...Bd2 21.Qc5 (21.Qd8 Rd8 22.Rc4 Ba5-+) 21...Bc1 22.Qc4 Rd1 23.Kh2 R8d4 24.Qc2 (24.Qb5 b6-+) 24...Bh6 (better 24...Bf4 25.g3 R1d2-+) 25.f3 (25.Kh3 Rh1 26.Kg3 Rhh4-+) 25...R1d2 (better 25...Bf4 26.g3 Bd6 27.Qf2-+) 26.Qc5 (26.Qb3 Rh4 27.Kg3 Rh1 28.Qb7 Be3-+) 26...Rd6 (better 26...Rh4!? 27.Kg3 Ra4 28.a3-+) 27.Kh3 (27.Qa7 Bf4 28.Kh3 Ra6 29.Qb7 Raa2 30.Qc8 Kg7-+) 27...Ra2 28.Qc7 Rdd2 29.Qc8 Bf8 30.Qb7 Rg2 31.f4 (31.Qb8-+) 31...Rh2 32.Kg3 Rag2 33.Kf3 h5 (better 33...Rb2 34.Qa7 Rh3 35.Ke4 f5 36.Kd5 Rd2 37.Kc6 Rc3 38.Kb7 Rd7 39.Ka8 Ra7 40.Ka7 Bc5 41.Ka6-+) 34.Qa8 (34.Qa7 Rb2 35.Ke4 Rh4-+) 34...Rg4 (better 34...Ra2 35.Ke4 Rh3 36.Kd5 Ra5 37.Kc6 Rc5 38.Kb7 Rb3 39.Ka6-+) 35.Ke4 (35.Qa7 Bd6 36.Qd7 Rf4 37.Ke3 Rf6-+) 35...Rhh4 36.Qb8 Rf4 37.Kd5 (37.Qf4 f5 38.Kf3 Rf4 39.Kf4 Bh6 40.Kf3-+) 37...Rf5 38.Kc6 Rc4 39.Kd7 Rd5 40.Ke8 (40.Qd6 Rd6 41.Ke8 Re4) 40…Re4 (40...Re4 41.Qe5 Ree5) 0-1. yasminoah (2020) - kalitka_man (1945), Rated Blitz game, lichess.org, 2014.

10.a3 Ba5 11.0-0 Qd6 12.Be2 Rfe8 13.d3 =.

10.a3 Ba5 11.0-0 Qe7 12.d4 Rad8 13.Qc2 Rd6 14.Be2 (14.Nbd2 Bf5 15.Ne4 Be4=) 14...Rh6 (14...Rg6!? 15.Kh1 Rh6+=) 15.d5= Qd6 16.Rd1 Bf3 17.Bf3 Qh2 18.Kf1 f5 19.dc6 (19.Be4? fe4 20.Qe4 Qg3-+) 19...Rc6 20.Qb3 Kh8 21.Bd4 Rd6 (better is 21...Qh1!? 22.Ke2 Qh4=) 22.Qb2+/– Rfd8 23.Be4 (23.Bg7 Kg8 24.Bd4+=) 23...fe4= 24.Nd2 (worse is 24.Qb7 Qh1 25.Ke2 Qg2-+) 24...Bd2 25.Rd2 (25.Qd2? c5 26.Qa5 cd4 27.Rd4 Rd4 28.ed4 Rd4 29.Qa7 Qh1 30.Ke2 Qh5 31.Ke1 Rd8-+) 25...Qh1 26.Ke2 Qg2 27.Rc1 (27.Qb7 Qg4 28.Ke1 c5 29.Qg7 Qg7 30.Bg7 Kg7 31.Rd6 Rd6=) 27...Qf3 28.Ke1 ½–½. maltedk (2360) – daxthedog (2165), gameknot.com, 2015.

10.a3 Ba5 11.Qc2 Re8 12.0-0 Bf3 13.gf3 Nd2 14.Nd2 Qd2 15.Qb3 Qd7 16.Rad1 Qe7 17.Qb7 Qc5 18.Bd5 Ne7 19.Qa8 Ra8 20.Ba8 c6 21.f4 Qh5 22.Bc3 Qg4 23.Kh1 Qf3 24.Kg1 Bb6 25.Bb4?? Qg4?? 26.Kh1= Qf3 27.Kg1 Qg4?? 28.Kh1= Qf3 29.Kg1 Nf5 30.Bc5?? Nh4 31.Bc6 0–1. Septien Lopez,Valeriano – Aguilar Sevilla,Diego (2125), Calpe op, 2004.

10.a3 Ba5 11.Be2 Bf3 12.Bf3 Re8 13.Qc2 Qe7 14.0-0 Rad8 15.d3 Ng5 16.Bc6 bc6 17.Qc6 Bb6 (17...Rd3? 18.Qb5 Re3 19.fe3 Qe3 20.Kh1+–) 18.d4 Ne4 19.Nc3 Rd6 20.Qe4 Qe4 21.Ne4 Re4 22.Rfc1 Rg6 23.Rab1 Reg4 24.g3 Re4 25.a4 a5 26.Rc3 h5 27.Kf1 h4 28.Rb3 hg3 29.hg3 Rh6 30.Bc3 Rc6 31.Ke2 Rc4? (31...Rg4+–) 32.Kd3 (32...Rc3 33.Kc3+–) 1–0. Bonetti,Shane – FORT64 (1715), ICC, 2002.

10.a3 Bf3 11.gf3+= Nd6 12.Rg1 g6 13.Rg6?? hg6-+ 14.Bd5 Ba5 15.Bc6 bc6 16.Qc2 Kh7 17.Qc6 Qg5 18.Ke2 Rab8 19.Bc3 Bc3 20.Nc3 Nb5 21.Ne4 Qe5 22.Qf6 Qf6 23.Nf6 Kg7 24.Nd7 Rfd8 25.Nb8-/+ Rb8 26.a4 Nd6-+ 27.Rc1 Rb4 28.Rc7 Ra4 29.Rd7 Nf5 30.e4 Nd4 31.Ke3 Ne6 32.d3 Ra3 33.f4-/+ Kf6 34.e5 Kg7 35.f3 Ra2 36.h4 a5 37.h5 gh5 38.f5-/+ Nf8 39.e6= Ra1 40.Rf7 Kg8 41.Ra7 h4 42.e7+= Kf7 43.ef8Q Kf8= 44.Kf4 a4 45.Kg4 a3 46.Kh3 a2 47.Kg2 h3 48.Kh2+/– Ke8 49.d4 Kd8 50.f6 Rf1 51.Ra2 Rf3 52.Ra8 Kd7 53.Ra6 Rd3 54.d5+= Rd5 55.Kh3+/– Rf5 56.Kg4+– Rf1 57.Kg5 Ke8 58.Ra7 Rg1 59.Kf5 Kf8 60.Re7 Rf1= ½–½. Machete (2215) – Joghurt (2225), ICC, 2003.

10.Nc3 Nc3 11.dc3 Qd1 12.Rd1 Bc5 13.0-0 Bf3 (13...Rad8!?=) 14.Bf3+= Ne5 15.Bd5 (15.Be2!?+=) 15...c6= 16.Bb3 Rad8 17.c4 Nd3 18.Be5?? (18.Bc3 Rfe8=) 18...f6 (better 18...Ne5 19.h4 f5-+) 19.Bc7+= Rd7 20.Ba5 (20.Bc2 Rc7 21.Rd3 f5=) 20...b6 21.Bc3 Rdd8 (21...Rfd8!?=) 22.Bc2 Ne5 23.Bb3 Rd1 (23...Nd3 24.Ba4+/-) 24.Rd1+= Kf7 25.Kf1 (25.Be5 fe5 26.Rd7 Kf6 27.Ra7 Rc8+=) 25...Ke7= 26.Ke2 Rd8 27.h3 Rd1 28.Kd1 Nd3 29.Ke2 Nc1 30.Kf3 Nb3 31.ab3 a5 32.Bd4 Ke6 (32...Kd6 33.Bc3=) 33.Ke4 (better 33.Bc5!? bc5 34.Kf4+/-) 33...f5 34.Kd3 g6? (34...Bd4 35.Kd4 Kd6 36.f3+=) 35.f4?? (better 35.Bc5 bc5 36.g4+-) 35...Kd6 36.Be5 Ke6 37.g4 Bb4 (37...b5 38.gf5 gf5 39.e4=+) 38.g5 (38.e4 b5=) 38...Bc5 (38...b5 39.cb5 cb5 40.Kd4-/+) 39.h4 (39.Bd4!? Bd4 40.ed4=) 39...Bb4 40.Bd4 Bc5?? (40...b5 41.Bc3 bc4 42.Kc4 (42.bc4? Bc3 43.Kc3 Kd6-+) 42...Bc3 43.Kc3=) 41.Be5?? (better 41.Bc5 bc5 42.e4+-) 41...Bd6 (41...b5 42.Bd4 Be7 43.Bc3=+) 42.Bd4 (42.Bd6 Kd6 43.e4 fe4 44.Ke4 Ke6-/+) 42...c5 (better 42...b5!?=+) 43.Bc3+= Bc7 44.Bf6 (better 44.Bd2+=) 44...Bd6?? (44...Kd7 45.Ke2=) 45.Bc3?? (better 45.Bd8+-) 45...Bc7+= 46.Bf6 Kf7 (46...Bd6 47.Bd8+-) 47.Bc3 (47.Bb2 Bd6+=) 47...Bd6 (better 47...Ke6=) 48.Be5?? (better 48.Ke2+/-) 48...Be5-+ 49.fe5 Ke6 50.e4?? (better 50.Ke2-+) 50...Ke5 51.ef5 Kf5 (51...gf5?! 52.h5 f4 53.g6 hg6 54.hg6-/+) 52.Ke3 Ke5 53.Kd3 Kf4 54.Kc3 Ke3 55.Kc2 Kd4 56.Kb2 (56.Kd2 Ke4 57.Ke2-+) 56...Kd3 57.Ka3 Kc3 58.Ka2 Kc2 59.Ka3 White threatens to counter with a4 59...Kc3 (better 59...Kb1 60.Ka4 Kb2 61.Kb5 Kb3 62.Kb6-+) 60.Ka2 Kb4 61.Kb2 a4 (61...a4 62.ba4 Kc4-+) 0-1. ipongalot (1720) - Amitjaisal (1715), lichess.org, 2020.

10.d4 Qf6 11.Bd3 Ng5 12.Ng5 Bd1 13.Nh7 -+.

10.d4 Qf6 11.Bd5 Rfe8 12.Qb3 Bf3 13.gf3 Qf3 14.Bc6 Qg4 15.Kh1 bc6 16.f3 Qh3 17.Kg1 Bd6 18.f4 Re6 0–1. Machete99 (2370) – Hossa (2410), ICC, 2002.

10.d4 Ng5 11.Be2= Qd5 12.Nbd2 (12.Ng5 Be2 13.Qe2 Qg5=) 12...Bd2 13.Nd2 Be2 14.Qe2 Rfe8 15.Rab1 Nd4 (15...Rad8!?=) 16.Bd4+= Qd4 17.Rb7 (17.ed4 Re2) 17...Qd5 18.Rc7 Qa2 19.Rfc1 g6 (19...Red8 20.R7c2 Qe6 21.Qh5=) 20.R7c2 (20.Qg4 Qd2 21.Qg5 a5+=) 21…Qe6 ½–½. Schwertel,Gottfried – Retamar, corr 3GMM–39, 1996.

10.Be2 Qd6 11.0-0 Bf3 (11...Rfd8 12.a3 Bd2 13.Qc2=+) 12.Bf3= Nd2 13.Nd2 Qd2 14.Qb3 (14.Qb1 Bd6=) 14...Na5=+ 15.Qa4 Qb2 16.a3?? (16.Rab1 Qe5 17.Qb4 c6=) 16...Ba3 (better 16...Bd2 17.Rab1 Qa2 18.Bb7 Rab8-+) 17.Qa5 Bd6 18.Rab1 (18.Rfb1!? Qf6 19.Bb7=) 18...Qe5=+ 19.g3?? (better 19.Qe5 Be5 20.Rb7=+) 19…Qa5-+ 0-1. trenerdarko (2150) - agnivo (2305), Rated Blitz game, lichess.org, 2020.

10.Be2 Qe7 11.0-0 Rad8 12.d4 Rd6 13.Nbd2 Nd2-/+ 14.Nd2 Be2 15.Qe2 Nd4! Black gets strong play along the open d–file 16.Bd4 Rd4! 17.Nf3 Rd6 18.Rab1 Rb6 19.Nd4 Rd8 Black gets in control 20.Rfd1 Bc5 21.Nf5 Rd1 22.Rd1 Qf6 23.Qd3 Bd6 24.e4 Rb2 25.f4 Bf8 26.Qd7 g6 27.Rd3?? gf5 28.Rg3 Kh8 29.h3 Qb6 30.Kh2 Rb1 31.Rg5 Qg1 32.Kg3 Qe1 33.Kf3 Qe4 34.Kg3-+ Qe3 35.Kh4 Qf4 36.Kh5 Rb6 (36...Rb6 37.Qe6 Re6 38.Rg8 Kg8 39.g3 Qh6#) 0–1. Gnirk,Hajo – Borrmann,Fritz, CiF, 1989.

11.d3 -/+.

11.Be2 Qd5 12.Nc3 Bc3 13.Bc3 Nf3 14.Bf3 Bf3 15.Qf3 Qf3 16.gf3 Rfd8 17.Rab1 b6 18.d4 Rd6 19.Rfc1 Rad8 20.f4 R8d7 21.f5 g6 22.fg6 Rg6 23.Kf1 Ne7 24.Ke2 f5 25.Rg1 Nd5 26.Bd2 Kf7 27.Rg6 hg6 28.f3 Ne7 29.Rc1 a5 30.h4 Ke8 31.Be1 (31.Rc4 Kf7+=) 31...f4 (31...Nd5 32.Kd3+=) 32.e4+= Rd4 33.Rc7 Ra4 34.Rc2 Kd7 35.Bf2 b5 36.Bc5 Nc6 37.Rd2 Ke8 38.Bd6 Nb4 39.Bf4 (39.Bb4!? Rb4 40.Kd3=) 39...Ra2+= 40.Ra2 Na2 41.Bd2 b4 42.Kd3 a4 43.Kc2 b3 44.Kb2 Kd7 45.Ka3 Ke6 46.f4 (46.Ka4?? b2-+) ½–½. Yarmolyuk,Yury (2355) – Zakharov,Oleg (2355), 7. Ukrainian CCF Cup, 2008.

11.Be2 Bd6 12.Ng5 Be2 13.Qe2 Qg5 14.f4 Qh6 (14...Qf5 15.Nc3=) 15.Rf3+= Nb4 (better 15...Qe6!?+=) 16.Rg3+– g6?? (better 16...Nc2 17.Rg7 Qg7 18.Bg7 Kg7+–) 17.Rh3+– (17.Rh3 Qh3 18.gh3+–) 1–0. Guest – Guest859, internet, 2020.

11.Be2 Bf3 12.Bf3 Nf3 13.Qf3 Qd3 14.Qg3 f6 15.Qc7 Rf7 16.Qg3= Rd8 17.h3 Qc2 18.Bc3 Bc3 19.Nc3 Rd2 20.Rfe1?? Qd3 21.Na4 Qa3 22.Nc3?? Rfd7 23.Ne4+– Ra2 24.Nf6 Kf7?? 25.Nd7 Ra1= 26.Ra1 Qa1 27.Kh2 Ke7 28.Qc7+= Qa5 29.Nb6 Kf6 30.Qd6 Kf7 31.Nc4 Qg5 32.Qd7+/– Qe7 33.Nd6 Kf8 34.Qf5 Qf6 35.Qf6 gf6 36.Nb7 a5 37.Nc5 Ke7 38.Kg3 Kd6 39.Na4 Kd5 40.Kf4 Kc4 41.Kf5 Kb4 42.Nb6 Kb5 43.Nd5 Kc5 44.Nc3 Kc4 45.Na4 Kb4= 46.Nb6 Kb5 47.Nd5 Nb4?? 48.e4+/– Kc5 49.Nc3 Kc4 50.Na4 Nd3 Black gets strong initiative 51.Kf6 Kb5 52.Nc3 Kc4 53.Na4 Kb5 54.Nc3 Kc4 55.e5?? Kc3-+ 56.e6 Nf4 57.e7 Nd5 58.Kf7 Nc7 59.f4 Kd4?? 60.f5+= Ke5 ½–½. Ivanets,Vladimir (2280) – Ardeshi,Mehrdad (2330), It (open) Moscow (Russia), 2006.

11.Be2 Nf3 12.Bf3 Bf3 13.Qf3 Qd3 14.Qg3 f6 15.Qc7 Bd6 16.Qb7= Nb4 (16...Na5 17.Qf3 Rab8 18.Bc3+=) 17.Nc3+= Nc2? (better 17...Rab8 18.Qf3 Be5+=) 18.Qb3 (18.Rab1 Nb4+–) 18...Kh8 19.Rac1 Nb4 20.f3 Rab8 (20...f5 21.Na4+–) 21.Ne4 Qe2?? (21...Rfd8+–) 22.Nd6 (22.Nd6 h6 23.Nf7 Kh7 24.Qe6+–) 1–0. Barcarola (1610) – xbsc1, internet free game, 2018.

11.Be2 Nf3 12.Bf3 Bf3 13.Qf3 Qd3 14.Qg3 f6 15.Qc7 Rf7 16.Qf4 Rd8 17.Rc1 Bd2 18.Nd2 Qd2 19.Bc3 Qd5 20.Qg4 Qd7 21.Qc4 Qd3 22.Qe6 Qd5 23.Qg4 Qd7 24.Qc4 ½–½. Degterev,Pavel (2240) – Kenig,Jaroslaw, BI–2011–P–00013, 2011.

11.Be2 Nf3 12.Bf3 Bf3 13.Qf3 Qd3 14.Qg3 f6 15.Qc7 Rf7 16.Qg3 Bd6 17.f4+= Re8 18.Rc1 Bb4 19.Qe1 Rd7 20.Bc3 Bc5 21.a4 b6 22.Na3 (22.Kh1 Nb4 23.Qd1 Nd5+=) 22...Nd4 (22...Re4 23.a5 Rf4 24.ab6 ab6 25.Nc2=) 23.Bd4+= Rd4 24.Rc3 (24.Nb5 Rd7 25.Rd1 Red8=) 24...Qd2 25.Qd2 Rd2 26.Nc4 Rd5 27.Kf2 g5 28.Kf3 Red8 29.g3 Kf7 30.Rb3 gf4 31.gf4 Rh5 32.Ra2 Rg8 33.a5 Ke6 34.Rg2 Rg2 35.Kg2 ba5 36.Na5 Bb6 37.Nc4 Bc7 38.Na3 Rc5 39.Nb5 Bb6 40.Nd4 Kd5 41.Kf3 Rc1 42.Nf5 Bc5 43.Rd3 Kc4 44.Rd8 a5 45.Ra8 Ra1 46.Rc8 Kb5 47.Rb8 Kc6 48.Ke4 a4 49.Nd4 Bd4 50.ed4 Re1 51.Kf5 a3 (51...Re2 52.Ra8 Kb5 53.Kf6 Rh2 54.f5=) 52.Ra8 (52.Kf6? a2 53.Ra8 a1Q 54.Ra1 Ra1-+) 52...Ra1 53.Kf6 Kd5 (53...a2!?+=) 54.Ra4+/- a2 55.f5 Kc6 56.Kf7 Kb5 57.Ra7 Kc4 58.Kf8 Kd4 59.f6 (59.Rh7 Rc1 60.Ra7 a1Q 61.Ra1 Ra1-+) 1-0. marekt (2130) - siyuga (2130), gameknot.com, 2015.

11.Be2 Nf3 12.Bf3 Bf3 13.Qf3 Qd3 14.Qg3 f6 15.Qc7 Rf7 16.Qg3 Rd8=+ (worse 16...Bd2 17.Rd1 Qc2 18.Rd2=).

10.0-0 Na5 11.Be2 Rfd8 (11...Rad8 12.d4 Rfe8 13.a3 Bd6 14.Qa4=; 11...Rfe8 12.Qa4 Nc6 13.d4 Bd7 14.Qc2=; 11...Bd6 12.d3 Nc6 13.Nbd2 Rfd8 14.Nc4=; 11...Rae8 12.Bc3 Bc3 13.Nc3 c5 14.d4=; 11...c6 12.Qa4 Nd5 13.Bc3 Rad8 14.Rc1=; 11...Rab8 12.d3 Rfe8 13.Nd4 Bd7 14.Nc3=) 12.Qc2 Nc6 13.Nc3 Ne5 14.Ne5=+.

10.0-0 a6 A) 11.Nc3 Rad8 (11...Rfe8 12.Nd5 Nd5 13.Bd5 Nd8 14.Rc1=; 11...Rfd8 12.d4 Rac8 13.Be2 Be6 14.a3=) 12.d4 Rfe8 13.Rb1 Bd6 14.Be2=+; B) 11.a3 Bd6 12.Nc3 Ne5 13.Be2 Nf3 14.Bf3=+; C) 11.h3 Bh5 (11...Be6 12.Be6 fe6 13.Qb3 Na5 14.Qc2=; 11...Na5 12.Be2 Bf5 13.d3 Nc6 14.a3=; 11...Bf5 12.a3 Bd6 13.d4 Rad8 14.Nc3=+) 12.Nc3 Rad8 13.d4 Rfe8 14.Rb1=+; D) 11.a4 Rfd8 (11...Rad8 12.d4 Ne4 13.h3 Ne5 14.Be2=+; 11...Bd6 12.d4 Rfe8 13.Nbd2 Rad8 14.Rc1=+; 11...Rae8 12.d4 Rd8 13.Ba3 Rfe8 14.Bb4=; 11...Rfe8 12.d4 Rad8 13.Ba3 Ne4 14.Bb4=+; 11...Na5 12.Be2 Rfe8 13.Qc2 Nc6 14.d4=+) 12.d4 Na5 13.Be2 c5 14.Bc3=+; E) 11.d4 Rad8 12.Nc3 Rfe8 13.Rb1 Bd6 14.Be2=+.

10.0-0 Bd6 11.d4 Rfb8 (11...Rad8 12.Nbd2 a6 13.Rc1 b5 14.Bb5=; 11...a6 12.Nbd2 Rfe8 13.Qb1 b5 14.Bb3=; 11...Rae8 12.Nbd2 a6 13.Rc1 b5 14.Bb5=; 11...Rfd8 12.Nbd2 a6 13.Qb1 b5 14.Bb3=; 11...Rfe8 12.Nbd2 a6 13.Qb1 b5 14.Bb3=; 11...Rab8 12.Nbd2 b5 13.Bb3 Nb4 14.Qb1=) 12.Nbd2 b5 13.Bb3 a5 14.Qc1=.

10.0-0 Rfd8 A) 11.d4 Rab8 (11...Rac8 12.a3 Bd6 13.Nbd2 Na5 14.Bd3=; 11...Re8 12.Bb5 Nd5 13.a3 Bd6 14.Nbd2=; 11...a6 12.Nc3 Rac8 13.Be2 Be6 14.a3=; 11...Ne5 12.Be2 Nf3 13.Bf3 Qe6 14.Bg4=; 11...Be6 12.Bb5 Bd7 13.Bc4 Bf5 14.Bb5=; 11...Nd5 12.a3 Ba5 13.Bd3 a6 14.h3=) 12.Nc3 a6 13.Rb1 Ne5 14.Be2=+; B) 11.Be2 Rd7 (11...Bd6 12.d4 Rab8 13.Nc3 a6 14.a3=; 11...Qe6 12.d4 Bf5 13.Qb3 Nd5 14.a3=; 11...Re8 12.d3 Be6 13.Ng5 Bf5 14.Bf3=+; 11...Rab8 12.d4 Bd6 13.Nc3 a6 14.a3=; 11...Bf5 12.d3 Bd6 13.Nc3 a6 14.Rb1=+; 11...a5 12.d4 Nd5 13.Qc2 Bd6 14.Nc3=) 12.Bb5 Ne4 13.d4 Ng5 14.Be2=+; C) 11.Bb5 Ne5 12.Be2 Nd3 13.Qc2 Nb2 14.Qb2=+; D) 11.a3 Bd6 12.d4 a6 13.Nc3 Na5 14.Be2=+.

10.0-0 Rae8 A) 11.d4 a6 (11...Rd8 12.a3 Bd6 13.Nbd2 Be6 14.Qa4=; 11...Bd6 12.Nbd2 a6 13.Rc1 b5 14.Bb5=; 11...a5 12.a3 Bd6 13.Nbd2 Ne4 14.Qb3=) 12.Nc3 Rd8 13.Qc2 Bf3 14.gf3=+; B) 11.Nc3 Rd8 (11...Na5 12.Be2 Bf3 13.Bf3 Nc4 14.Qc2=; 11...Ne5 12.Be2 Nf3 13.Bf3 Qd7 14.Nd5=; 11...Bf3 12.Qf3 Ne5 13.Qe2 Rd8 14.Rfd1=+; 11...a6 12.Nd5 Nd5 13.Bd5 Rd8 14.Bc6=) 12.d4 Rfe8 13.Bb5 Qe6 14.a3=+; C) 11.a3 Bd6 12.Bb5 Bd7 13.d4 a6 14.Bd3=.

10.0-0 Rfe8 A) 11.d4 Rad8 (11...Ne4 12.Bb5 Ng5 13.Be2 Rad8 14.Nc3=+; 11...a6 12.h3 Bh5 13.Qe2 Ne4 14.a3=+; 11...Rab8 12.Nc3 Rbd8 13.Bb5 Qe6 14.a3=+) 12.Bb5 Bd7 13.Qc2 Bd6 14.Nc3=+; B) 11.Nc3 Rad8 (11...Bf3 12.Qf3 Ne5 13.Qe2 Nc4 14.Qc4=+; 11...a6 12.Nd5 Nd5 13.Bd5 Nd8 14.Rc1=; 11...Bd6 12.Nb5 Rac8 13.h3 Be6 14.Be6=) 12.d4 a6 13.Rc1 Bd6 14.h3=+; C) 11.Bb5 Qc5 12.Qa4 Bf3 13.gf3 Qg5 14.Kh1 Qh5=+; D) 11.a3 Bd6 12.d4 Rad8 13.Nbd2 Be6 14.Qc2=.

10.a3 Bd6 A) 11.0-0 a6 (11...Rad8 12.d4 Rfe8 13.Nbd2 Be6 14.Qc2=; 11...Rfd8 12.d4 Rab8 13.Be2 Qe4 14.Nc3=; 11...Rab8 12.d4 Rfe8 13.Nc3 a6 14.Be2=+; 11...Bf3 12.Qf3 Ne5 13.Qe2 Nfg4 14.h3=) 12.Nc3 Ne5 13.Be2 Nf3 14.Bf3=+; B) 11.d4 Rae8 (11...Rfe8 12.Nbd2 Rad8 13.0-0 Be6 14.Qc2=; 11...Rad8 12.Nbd2 Rfe8 13.0-0 Be6 14.Qc2=; 11...Rab8 12.Nbd2 a6 13.Qc2 Be6 14.0-0=; 11...Rfd8 12.Nbd2 Bf5 13.Bb5 Na5 14.Bc3=; 11...a6 12.Nbd2 Rad8 13.Qc2 Rd7 14.Ng5=; 11...Ne4 12.Qc2 Rad8 13.d5 Na5 14.Bd3=) 12.0-0 a6 13.Nc3 b5 14.Be2=.

10.Qc2 A) 10...Bf3 11.gf3 Rad8 (11...Rfd8 12.Be2 a6 13.Nc3 Qd6 14.d4=+; 11...Ne5 12.Be2 Rfd8 13.a3 Bd6 14.f4=) 12.f4 Ne4 13.Rg1 g6 14.Kf1=+; B) 10...Rad8 B1) 11.Be2 Ne4 (11...Bd6 12.0-0 Nb4 13.Qa4 Bd7 14.Qd1=+; 11...Nd5 12.a3 Bd6 13.Nc3 Bf3 14.gf3=+) 12.a3 Ba5 13.Bc3 Nc3 14.Nc3=+; B2) 11.a3 Bc5 (11...Bf3 12.gf3 Bc5 13.0-0 Ne5 14.Be2=+) 12.0-0 Bf3 13.gf3 Ne5 14.Be2=+.

10.d4 Ne4 11.Be2 Rae8 (11...Rfd8 12.a3 Ba5 13.Qc2=) 12.Nbd2= Nd2 13.Nd2 Be2 14.Qe2 Bd2 (14...Qe6 15.Nf3=) 15.Qd2+= Qe4 (15...Rd8 16.Qc3 Qf6 17.Rac1+/-) 16.Rac1 (16.Ba3 Ne7+/-) 16...Ne7 (16...Re6!?+=) 17.Rc7 Nd5 18.Rcc1 Re7?? (18...f5 19.Rfe1 f4 20.ef4 Qf4 21.Qf4 Nf4 (21...Rf4?? 22.Re8 Rf8 23.Rf8 Kf8 24.Rc5+-) 22.Re8 Re8+=) 19.Ba3+- 1-0. Lance5500 (2620) – juiceboxwizard, lichess.org, 2018.

11.a3 Bd6 12.d4 Rfe8 13.Nbd2 Be6 14.Qc2=.

11.a4 a6 (11...Ne4 12.d4 Qf6 13.Be2 Rfe8 14.Qb3=+; 11...Na5 12.Be2 Be6 13.Bc3 Nb3 14.Ra2=+; 11...Rfe8 12.d4 Ne4 13.Ba3 Ba3 14.Ra3=+; 11...Bd6 12.d4 Na5 13.Be2 Rfe8 14.Qd3=+; 11...Bf5 12.d4 Rfe8 13.Bb5 Bd7 14.Ba3=) 12.d4 Ne4 13.Bd3 Rfe8 14.Ba3=+.

11.Bb5 Ne5 12.Be2 Bf3 13.Bf3 Nf3 14.Qf3=+.

11.d4 a6 12.Nc3 Rfe8 13.Rc1 Qd6 14.Re1=+.

11.d4 Nd5 12.a3= Ba5 13.h3 Be6 (13...Bf5!?=) 14.Bd3+= Nf6 15.Nc3 Bd5 (15...Bc3!? 16.Bc3 Bd5+=) 16.Nd5+– Rd5 17.Qc2 Nd8 (17...Rfd8!?+–) 18.e4+– Rh5 19.d5 c6 (19...Re8 20.Qa4 Bb6 21.Qd1+–) 20.d6 Qd7 21.Rad1 (21.e5 Nd5 22.Qa4 Bc3 23.Bc3 Nc3+–) 21...Ne6 22.Ne5 Qd8 23.Be2 Rh6 24.Ng4 Ng4 25.Bg4 (worse 25.hg4 Qh4 26.f4 Bb6 27.Rd4 Nd4 28.Rc1 Ne2 29.Kf1 Qf2 mate) 25...Qh4 (25...Bb6 26.d7+–) 26.g3 Qd8 27.Bc1 Rf6 28.e5 Rg6 29.Bf5 Bb6 30.Qd3 Nc5 31.Qc3 Na4 32.Qc2 Rg3 (32...Nc5 33.Be3 Nd7 34.Bf4+–) 33.Kh2 Rg6 (33...Rf3 34.Bg4 Rf2 35.Rf2 Bf2 36.Qf2 Nb6+–) 34.Qa4 Rd6 (34...Re6 35.Qe4 Kh8+–) 35.Rd6 Qe7 36.Qf4 Bc7 (36...Re8 37.Bb2 Qf8+–) 37.Rd7 Qe5 38.Rc7 (38.Rc7 Qf4 39.Bf4+–) 1–0. Pindear – RRd626, internet, 2019.

11.d4 Ne5 12.Be2 Nf3 13.Bf3 Bf3 14.Qf3 Qe4 (14...c6 15.Nc3=) 15.Qe4 Ne4 16.Rc1 c6 17.Nc3 Nf6 18.a4 Rfe8 19.a5 a6 20.Ra4 Be7 21.Ba3 Nd5 22.Be7 Re7 (worse 22...Ne7 23.Rb4 Nd5 24.Nd5 Rd5 25.Rb7 Ra5 26.h3+–) 23.Rc4 Nc3 (23...f5 24.g3=) 24.R4c3 Rd5 (24...f5 25.g3=) 25.Rc5+= Red7 26.Kf1 Kf8 27.Ke2 Ke7 28.Kd3 Kd8 29.R1c4 Kc7 30.e4 Rc5 31.Rc5 b6 32.ab6 Kb6 The passed pawn on a6 will quickly become a dangerous weapon 33.Rc1 Ra7 34.Rb1 Kc7 35.Kc4 a5 36.f4 f6 (36...a4 37.Ra1+=) 37.g4 a4 38.Ra1 Ra8 39.e5 Kd7 40.Ra3 fe5 (40...Ra5 41.Kb4 Rd5 42.Kc3 fe5 43.de5+=) 41.de5 Ke6 42.Kc5 (42.Kd4!?+=) 42...g5= 43.f5 Ke5 44.Kc6 h5 45.h3 hg4 46.hg4 Kf4 47.Kb7 ½–½. Franke,Roland – Firnhaber,Ingo, corr, 1993.

11.d4 Rfe8 12.Bb5 Bd7 13.Qc2 Bd6 14.Nc3=+.

11.Be2 Nd5 (11...Rfe8 12.a3 Bd6 13.d4 Be6 14.Nc3=+; 11...Qe6 12.Qb3 Nd5 13.a3 Be7 14.d4=+; 11...Be6 12.Qc2 Bd6 13.a3 Nd5 14.Bb5=) 12.Bb5 Nb8 13.d4 Nd7 14.Bd3=+.

10.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.c4 dc4 10.Bc4).

10.a3 Bd6 11.0-0 Ne5 12.Be2 Qe7 (12...Nf3 13.Bf3 Bf5 14.Nc3=+) 13.d4 (13.Be5 Be5 14.Ne5 Be2 15.Qe2 Qe5=) 13...Nf3=+ 14.Bf3 Bf3 15.Qf3 c6 (15...Ne4 16.g3=+) 16.Nd2 Rab8 (16...Rad8 17.Rab1=+) 17.Nc4 Bc7 18.Rfc1 Nd5 (18...Qe6 19.a4=) 19.Rab1 Qh4 (19...f6 20.a4=) 20.g3 Qf6 21.Qf6 Nf6 22.Nd2 (22.f3 b5 23.Ne5 Be5 24.de5 Nd7=) 22...Ba5 23.Nc4 Bc7 24.Nd2 Nd5 (24...Ba5 25.Nf3=) 25.e4+= Ne7 26.Re1 (26.f3 f5+=) 26...f6 (26...f5 27.f3+=) 27.Nb3 Ng6 (27...Nc8 28.Rbc1+=) 28.f4 (28.Kg2 Kf7+=) 28...h5 (28...f5 29.e5=) 29.e5 (29.Bc3 b6+=) 29...fe5 (29...Bb6 30.Kg2+=) 30.de5 Rbd8 31.Rbd1 (31.Kg2 Bb6+=) 31...Bb6= 32.Kg2 h4 (32...c5 33.Kf3=) 33.Bd4 hg3 34.hg3 Bd4 (34...Ne7 35.Bc5+=) 35.Rd4 (35.Nd4 Ne7+=) 35...Rd4 (35...b6 36.Red1 Rd4 37.Rd4+=) 36.Nd4+– c5 (36...Ne7 37.Kf3+–) 37.Nb5 a6 (37...Ra8 38.Nd6 b6 39.f5+–) 38.Nd6 Rb8 (38...Re7+–) 39.e6 (39.f5!? Ne7 40.f6+–) 39...Ne7+– 40.g4 (40.Ne4!? c4 41.Rd1+=) 40...b5+= 41.f5 c4? (better 41...b4!? 42.Rh1 Rb6+=) 42.g5+– a5?? (42...Rf8 43.Rf1 Nd5+–) 43.f6+– gf6 44.gf6 Nc6 (44...Nd5 45.f7 Kg7+–) 45.f7 (better 45.e7 Ne7 46.fe7+–) 45...Kf8 46.Kf2 (better 46.Nf5 Ne7 47.Rh1+–) 46...Ne7?? (better 46...Ke7!? 47.Nf5 Kf6+–) 47.Ke3 (better 47.Rh1 Ng6 48.Rh6 Ke7 49.Rg6 Kd6+–) 47...Rb6? (47...Rd8 48.Rh1 Ng6 49.Nb5 Ke7+–) 48.Rd1 (48.Rh1!? Ng6 49.e7 Ke7 50.Nc8 Kf7 51.Nb6 c3+–) 48...Rc6 (better 48...Rd6 49.Rf1 Re6 50.Kd4 Rd6 51.Ke5 Rd3-+) 49.Ke4+– c3 50.Nb5 (50.Rh1 Ng6 51.Kd5 Ne7 52.Ke5 Ng6 53.Kf6 Rd6 54.Rh6 Re6 55.Ke6 Nf4 56.Kf6 Nd5 57.Ke5+–) 50...c2?? (better 50...Re6 51.Kd3 Nd5=) 51.Rd8 Kg7 52.f8Q Kg6 53.Qf7 (53.Qf7 Kg5 54.Qe7 Kh6 55.Rh8 Kg6 56.Qf7 Kg5 57.Qf5) 1–0. Lord Cuthbertson (1805) – Chesssafety (1675), ChessWorld.net, 2007.

10.a3 Re4 11.Qb3 Na5 12.Qb4 Nc4 13.d3 Ne3 14.Bf6 Qf6 (14...Ng2?! 15.Kd2 Qf6 16.Qb7-+) 15.Qe4 Ng2 (15...Qa1 16.Qb7 Ng2 17.Kf1 Bf3 18.Qf3 Qb1 19.Kg2=) 16.Kd2 Bf3 -+ (16...Qf3?! 17.Qf3 Bf3 18.Rc1-/+).

10.a3 Re4 11.Qb3 Na5 12.Bf7 Kf8 13.Qc2+/-.

10.Qb3 Be6 11.Be6 Re6 12.Ng5 Re7 13.0-0 h6 14.Nf3 Rd7 15.Bf6 Qf6= 16.d4 b6 17.Rd1 Be7 18.Nbd2 Na5 19.Qc3 c5 20.Ne4 Qe6 21.Nc5 Bc5 22.dc5 Rd1 23.Rd1 Rc8 24.a4 Rc5 25.Qb4 Qc4 26.Qb1 Qc2 27.Qc2= Rc2 28.g3 Ra2 29.Rd7= Ra4 30.Ra7 b5 31.Ne5 b4 32.Nd3 b3-/+ 33.Ra8 Kh7 34.Rb8 Ra1 35.Kg2 Rb1 36.Rb4 Rd1 37.Nc5 Rc1 38.Nd3 Rc4 39.Rb8 Rc3-/+ 40.Nb2 Rc2 41.Nd3 Rd2 42.Nc5 b2-+ 43.Na4 Nc4 44.Kf3 Rd1 45.Nb2=+ Rb1 46.Nc4 Rb8 47.Ne5 Re8 48.Nc6 Re6 49.Nd4 Ra6 50.Kg2 Ra2 51.Kf3 g5 52.g4 Kg6 53.Ne2 h5 54.h3 hg4 55.hg4 f5 56.gf5 Kf5 57.Ng3 Ke5 58.Nh1 Ra4-/+ 59.Ng3 Ra2 60.Nh1=+ Kf5 61.Ng3 Ke5 62.Nh1 Kd5 63.Ng3 Rb2 64.Nh1 Rb8 65.Ng3 Kc4 66.Nh1 Kd3 67.Ng3 Kd2 68.Nh1 Ke1=+ 69.Ng3=+. Annegarn,Alexander – Babczyk,Adrian, Winterberg, 2002.

10.Qb3= Qe7 11.a3 Bf3 12.ab4 Bg2-/+ 13.Rg1 Be4 14.b5 Ne5 15.Rg3 Nc4 16.Qc4 (16.Qc4 Nh5 17.Rg1-/+). Katzensteiner – Sander, corr SOK–88–20, 1989.

10.Qb3 Qe7 11.d4 Na5 12.Qc2 Nc4 13.Qc4 Bf3 14.gf3 Rad8 15.Nc3 Bc3 16.Bc3 Nd5 17.Rfc1 Rd6 18.h3 Qh4 19.Qf1 Rh6 20.Kh2 Ree6 21.Bd2 c6 22.Rc5 b6 23.Rc4 Rh5 24.Rac1 Qf6 25.Qh1 Qf5 26.Qf1 Reh6 27.Rc6 Rh3 0–1. Streit – Nemec,Zdenek, Czechoslovakia, 1983.

10.h3 Bh5 11.Nc3 Bf3 12.Qf3=+ Ne5 13.Qe2 a5 14.d4 Ne4-/+ 15.Rc1 Nc4 16.Qc4 c5 17.a3? cd4-+ 18.ab4 dc3 19.Bc3 Rc8 20.Qb3 Rc3 21.Rc3 Qd2 22.Kf1 0–1. katchum (2125) – mroets (2555), net–chess.com, 2003.

11.0-0 Qd6 12.Qb3 Re7 13.Ng5 Bh5 14.d4 h6 15.Nf3 Bf3 16.gf3 Rd8 17.Nc3 Bb6 18.Qc2 Na5 19.Bd3 c5 20.d5 c4=+ 21.Bf5 Bc7 22.f4= Nd5 23.Rad1 Qc5 24.Bh7 Kf8 25.Qf5 Red7 26.e4 g6 27.Bg6 Qc6 28.Nd5 Qg6 29.Qg6 fg6 30.Bf6 Re8 31.f3 Bd8 32.Bc3= Nb3 33.Kg2 Ba5 34.Ba5 Na5 35.Kf2 Rc8 36.Rg1 Kf7 37.Rg2 Rc6 ½–½. pierre – Eddie_Mo, internet, 2006.

11.0-0 Qe7!?=+.

11.0-0 Bf3 12.Qf3+/– a6 13.Rc1 Bb6 14.d3 Qe7 15.Bf6+/– Qf6 16.Qf6 gf6 17.Nc3 Rad8 18.d4 Na5 19.Nd5+– Kg7 20.Ba2 Nc6 21.Rab1 Rd7 22.Nb6 cb6 23.Rb6 Rde7 24.g3 Rd8 25.Bc4 (25…Na7 26.Rcb1+–) 1–0. Schirmer,Michael – Plock,Joerg, corr 3GMM–29, 1995.

10.Qb3= Be6 11.Be6+= Re6 12.Ng5 Re7 13.0-0 (13.Bf6 gf6 14.Nf3+=) 13...h6 (13...Qd6!?=) 14.Nf3 (14.Bf6 gf6 15.Nf3 Rb8+/–) 14...Rd7 15.Bf6 (15.a3 Be7+=) 15...Qf6= (worse is 15...gf6 16.a3 Rd3 17.Qb2+/–) 16.d4 b6 17.Rd1 (17.Rc1 Ba5+=) 17...Be7 (better is 17...Rad8!?=) 18.Nbd2 Na5 19.Qc3 c5 20.Ne4 Qe6 21.Nc5 Bc5 22.dc5 Rd1 23.Rd1 Rc8 24.a4 Rc5 25.Qb4 Qc4 26.Qb1 Qc2 27.Qc2= Rc2 28.g3 Ra2 29.Rd7= Ra4 30.Ra7 b5 31.Ne5 b4 32.Nd3 b3+= 33.Ra8 Kh7 34.Rb8 Ra1 35.Kg2 Rb1 36.Rb4 Rd1-/+ 37.Nc5 Rc1 38.Nd3 Rc4 39.Rb8 Rc3 40.Nb2 Rc2 41.Nd3 Rd2 42.Nc5 b2-+ 43.Na4 Nc4 44.Kf3 Rd1 45.Nb2+= Rb1 46.Nc4 Rb8 47.Ne5 Re8 48.Nc6 Re6 49.Nd4 Ra6 50.Kg2 Ra2 51.Kf3 g5 52.g4 Kg6 53.Ne2 h5 54.h3 hg4 55.hg4 f5 56.gf5 Kf5 57.Ng3 Ke5 58.Nh1 Ra4-/+ 59.Ng3 g4 60.Kg2 Ra2 61.Nh1 Kf5 62.Ng3 Kg5 63.Nh1 Kh4 64.Ng3 Rb2 65.Nh1 Kg5-/+ 66.Ng3 Ra2 67.Nh1 Kf5 68.Ng3= Ke5 69.Nh1 Kd5 70.Ng3= Rb2 71.Nh1 Rb8 72.Ng3 Kc4 73.Nh1 Kd3 74.Ng3 Kd2 75.Nh1 Ke2 76.Ng3= Ke1 77.Nh1 Rh8 78.Ng3= Rh7 79.Nh1?? Rh1!-+ 80.Kh1 0–1. Annegarn,Alexander – Babczyk,Adrian (1645), NRW–ch U14 Winterberg, 2002.

11.Qb3= Qe7 12.Bb5 Rad8 13.Qa4 Bf3 14.gf3 Qd6 15.0-0 Ne5 16.Be2 Bb6 17.d4 Ng6 18.Nc3 Qe6 Black launches an attack 19.Kh1 Bd4 Black gets strong play along the open d–file 20.Rg1 Be5-+ 21.f4? Bc3 22.Bc3 Qd5 23.Rg2 Ne4 24.Bf3 Nc3 25.Qe8 Re8 26.Bd5 Nd5 27.Rd1 c6 28.Rd4 Nh4 29.Rg4 Nf3 30.Ra4 a6 31.Kg2 f5 32.Rg3 Nd2 33.h4 c5 34.Rh3 Ra8 35.Rh1 b5 (35...b5 36.Rd1 Nc3 37.Rd2 Na4-+; 35...Nc3!? 36.Rc4 Nc4 37.Rc1-+) 0–1. Grebenshikov,V – Gorbatenko,K, IM Dubna RUS, 2007.

10.Qb3= Qe7!? 11.Ng5 Bh5 =.

11.Qb3 Bh5 =.

11.h3 Bh5+= 12.0-0 Ne4 13.Be2 Qe7 14.Nd4 Be2 15.Ne2 Rad8 16.d4 Qe6 17.Nbc3 Bc3 18.Nc3 Ne7 19.Qc2 Nc3 20.Bc3 Nd5 21.Rfe1 Rd6 22.Bd2 f5 23.f3 c6 24.Qd3 (24.e4 fe4 25.fe4 Nb6=) 24...Qg6 25.Re2 Rde6 26.Rae1 Kh8 27.Kh2 b5 28.Bc1 a5 29.Qc2 Kg8 30.e4 fe4 31.fe4 h6 32.Qd3 ½–½. Kural,A_Serhat (2260) – Aninis,Tiberiu (2335), WC35/pr04 ICCF, 2011.

9.Nd4 Nd4 10.Bd4 Be2 11.Qe2 Ne4 (11...Re8 12.a3 Ba5 13.Bc3+=) 12.0-0 (12.Bg7 Kg7 13.Qg4 Kh6 14.Qe4 Qf6+/-) 12...c5 (12...Re8 13.Qg4 Bf8 14.f3+=) 13.Bb2 (better 13.Bg7 Kg7 14.Qg4 Ng5 15.f4+/-) 13...Qa5?? (13...Qh4 14.d3 Nd6 15.Be5+/-) 14.d3 (14.Qg4 Bc3 15.Bc3 Nc3 16.Nc3 Rad8+-) 14...Nf6?? (better 14...Nc3 15.Qg4 f5+/-) 15.a3+- Rad8 (15...Qd8 16.ab4 cb4+-) 16.ab4 Qb4 17.Bc3 (better 17.Bf6!? gf6 18.Ra7 Qb6+-) 17...Qb6 18.Ba5 (18.Ba5 Qa6 19.d4+-) 1-0. AhmedSultanov (1830) - Phantom71 (1855), lichess.org, 2020.

10.Qe2 Nd4 11.ed4?? Re8 12.f3 Re2 13.Ke2 Qe7 14.Kd3 Nh5-+.

10.Qe2 Nd4 11.Bd4 c5 12.Bb2 Ne4 (12...Re8+/-) 13.Bc3 (better 13.Qg4!? Nf6 14.Qf3+/-) 13...Nc3 14.Nc3 Re8 (14...Bc3 15.dc3 Qf6=) 15.0-0-0 (15.Nd5!?+/-) 15...Ba3 (15...Qa5 16.Kb1=+) 16.Kc2= Qa5 17.Ra1 a6 (17...Bb4 18.Qd3=) 18.Rhb1 Rab8 19.Rb3 b5 (19...Re6 20.Kd1=) 20.cb5+= ab5 21.Nb5 (better 21.Rb5 Qa8 22.e4+=) 21...Rb5?? (better 21...Bb4 22.Nd6 Red8+/-) 22.Qb5+- (22.Rb5?! Qa4 23.Kb1 c4=) 22...Qa8 (22...Qb5 23.Rb5 c4+-) 23.Ra3 Qe4 24.Kd1 (24.d3 Qe7+-) 24...Rd8 25.Qc5 Qg2 26.Rc1 (26.Qc7 Rf8 27.Rb1 Qf2+-) 26...Qf2 27.d4 (better 27.Qd5! Qg1 (27...Rd5?? 28.Rc8 Rd8 29.Rd8) 28.Kc2 Rc8 (28...Rd5 29.Ra8 Rd8 30.Rd8) 29.Rc3 Rc3 30.dc3 Qh2 31.Kd3 Qb8+-) 27...Qe3 (27...Qh2 28.Qg5 f6+-) 28.Re3 (28.Re3 g6 29.d5 h5 30.d6 h4 31.Qc7 Ra8 32.d7 Kg7 33.Qe5 f6 34.Qf4 Rg8 35.Re7 Kf8 36.d8Q) 1-0. AhmedSultanov (1815) - westmonster (1820), lichess.org, 2019.

10.Qe2 Nd4 11.Bd4 c5 12.Bc3 Bc3 13.Nc3 (worse 13.dc3 Qb6=) 13...Qe7 14.0-0+-.

10.Qe2 Nd4 11.Bd4 c5 12.Bc3 Ne4 13.a3 (13.Bb4!? cb4 14.0-0+/-) 13...Bc3= 14.Nc3 Nc3 15.dc3 Qa5 16.Qb2 Rad8 17.0-0 Rd3 Attacking the isolated pawn on c3 (17...b6 18.Rfc1+=) 18.Rac1 (18.Qb7 Rc3 19.Qb5 Qb5 20.cb5 Rb3+=) 18...Rfd8= 19.Qb7 Qa3 20.Qb1 Rc3 21.Rc3 Qc3 22.Rc1 Qa3 23.Rc2 Qd3 24.Rc1 Qb1 25.Rb1 Ra8 (25...a5 26.f3=+) 26.Rb5 (26.Ra1 a5=) 26...a5=+ 27.Rc5?? (better 27.Kf1 a4 28.Rb2=+) 27...a4-+ 28.Rb5 (28.Rd5 a3 29.Rd1-+) 28...a3 29.Rb1 (29.g4 a2-+) 29...a2 30.Ra1 Kf8 (better 30...Rb8 31.Rf1 Rb1-+) 31.Kf1+/- Ke7 32.Ke2 Kd6 33.Kd2 Kc5 34.Kc2 (better 34.Kc3!?+/-) 34...Kc4= 35.Kb2? (better 35.h3!?=) 35...Kd3-/+ 36.Ra2 Ra2 37.Ka2 Ke2 Plans e4 38.Kb3 Kf2 39.Kc4 (39.g4 Ke3 40.Kc4 Kf4-+) 39...Kg2 40.e4 (40.h4 h5 41.Kd3 Kg3-+) 40...Kh2 41.Kd5 f6 42.Ke6 Kg3 43.Kf7 Kf4 44.Kg7 h5 (better 44...Ke4 45.Kf6 Kf4-+) 45.Kf6= Ke4 46.Kg5 h4 47.Kh4 ½-½. AhmedSultanov (1690) - Rakchit (1670), lichess.org, 2019.

10.Qe2 Nd4 11.Bd4 c5 12.Bc3 Ne4 13.Bg7 Kg7 14.Qg4 Ng5 (14...Kh8 15.Qe4 Qf6 16.Nc3 Bc3 17.dc3 Qc3 18.Ke2 Qb2 19.Kf3 Qf6 20.Qf4 Qc6 21.Ke2 Qg2 22.Rad1+=) 15.h4+– f5 (15...h6!? 16.hg5 Qg5 17.Qg5 hg5+–) 16.Qg5+– Qg5 17.hg5 Rad8 18.a3 Ba5 19.g3 Rd3 20.Rh6 Rfd8 21.Rf6 Bd2 22.Nd2 Rd2 23.Rf5 Kg6 (better 23...b6+–) 24.Rc5 Rc2 25.Rd5 Rf8 26.f4 Re8 27.Rd3 Rg2 28.Kf1 Rg3 29.Kf2 Rh3 30.Re1 Kf5 (30...Re7+–) 31.e4! Kg4 (31...Re4 32.Rde3 Double attack (32.Rh3 Discovered attack; 32.Rde3 Decoy)) 32.Rh3 Kh3 33.Kf3 Rc8 (33...Kh2 34.e5 Rc8+–) 34.Rh1 1–0. Elce4 – Mpsevm, internet, 2019.

10.Ne2?! Re8+=.

9.a3 Ba5 10.0-0 dc4 11.Bc4 Nd2?? (better is 11...Qd6+=) 12.Nbd2+– Bd2 13.Qd2 Bf3 14.Qd8 Rad8 15.gf3 Rd6 16.Rfd1 Rg6 (16...Rfd8 17.Rd6 Rd6 18.Bc3+–) 17.Kf1 Rh6 18.Rd7 Rh2 19.Rc7 Na5 20.Bd5 Nb3 (20...Rh5 21.Rd1 Rh1 22.Ke2 Rd1 23.Kd1 b5+–) 21.Bb3 1–0. Janek – hanloef, internet, 2016.

9.cd5 Qd5 10.h3 Bh5 (10...Bf3 11.gf3 Nc5 12.Qc2=+ Ne5 13.Be5 Qe5 14.Nc3 Rad8 15.Rb1 Bc3; 10...Bf5 11.0-0 Rad8 (11...Qa5 12.a3 Be7 13.Nc3 Bf6 14.Qb3 Qb6 15.Qa2 Be6) 12.Nc3 Bc3 13.Bc3 b5 14.Rc1 Nc3 15.Rc3 b4) 11.Nc3= Nc3 (11...Bc3 12.dc3 (12.Bc3 h6 13.Qb3 Rad8 14.0-0 Qb3 15.ab3 Rd5) 12...Qa5 (12...Qc5 13.Qc2 Rfe8 14.0-0 Ne5 15.Ne5 Be2) 13.Qb3= Rfd8 14.Qb7 Nc3 15.Qc6 Ne2) 12.dc3 Qd1 13.Rd1 Bc5 (13...Bd6!?= 14.Nd4 Bg6 15.Bf3 Ne5) 14.Rd5+– Bf3 15.Bf3 Bb6 (15...Bd6 16.c4+–) 16.0-0 (16.Ke2 Rfd8+–) 16...Rfe8 (16...Na5 17.Rfd1+=) 17.c4+– a6 (17...Rad8 18.Rfd1+–) 18.Rfd1 h6 (18...Rad8 19.c5 Rd5 20.Rd5+– (20.Bd5?! Bc5 21.Bc6 bc6=)) 19.Rd7+– Ne5 (19...Rab8!?+–) 20.Be5 Re5 21.Bb7 Rae8 (21...Ra7 22.Bd5 c5 23.Bf7 Kf8 24.Bg6 Rd7 25.Rd7+–) 22.Ba6 Kh7 (22...Ra8 23.Bb7 Ra2 24.Bd5+–) 23.Rf7 Ra5 (23...Ra8 24.Bb7 Ra2 25.Rdd7+–) 24.Bb5 Rg8 (24...Re6 25.Rdd7 Rg6 26.a4+–) 25.a4 Raa8 26.Rfd7 Rgf8 (26...Kg6 27.Bc6 Ra6 28.Kf1+–) 27.Bc6 Rab8 (27...Ra7 28.Rb1 Ra5 29.Be4 Kg8 30.Bd5 Kh7 31.Rb4+–) 28.Be4 Kh8 (28...Kg8 29.R1d3+–) 29.g3 (29.g4 Rbe8 30.Bg2 Re5+–) 29...Rbe8 (29...Ba5 30.c5+–) 30.Bg2 Re5 31.Bd5 Ref5 (31...Kh7 32.Kg2+–) 32.c5! Ba5 (32...Bc5 33.Rc7 Deflection) 33.f4 Re8 (33...c6 34.e4 Rh5 35.Bc6 Rc5 36.Bb5+–) 34.e4 Rf6 (34...Rff8 35.e5+–) 35.e5 Rg6 (35...Rff8+–) 36.Bf7 Rg3 37.Kh2 (37.Kh2 g5 38.Kg3 gf4 39.Kf4+–) 1–0. Janek – 7670, internet free game, 2017.

9.Qc2 Ne4 10.0-0= Bd6 11.d3 White launches an attack 11...Nb4 12.Qc1 Ng5 13.Qc3+/– Nf3 14.Bf3 Qf6 15.Qf6 gf6 16.cd5 Bd7 17.Nd2 Nd3 18.Bf6 Be5 19.Be5+– Ne5 20.Rab1 b6 21.Rbc1 Bb5 22.Rfd1 Ba4 23.Nb3 Rac8 24.Be2 c5 25.dc6 Rc6 26.Rc6 Nc6 27.Bc4 b5 28.Bd5 Nb4 29.Rd2 Rc8 30.h3 Nd5+= 31.Rd5 Rc2 32.Nd4 Rc1 33.Kh2+– Rd1 34.Nc6 Rd5+/– 35.Ne7 Kf8 36.Nd5 Bc2 37.Nb4 Bb1 38.a3 Be4 39.Kg3 a5+= 40.Na2 Bc2 41.Kf3 Bb3 42.Nc1 Bd1? 43.Kf4 b4+= 44.ab4 ab4 45.Nd3 b3 46.Nb2 Bc2 47.Ke5 Ke7 48.Kd4 Ke6 49.Nc4 f5 50.Kc3 h5 51.Nd2 Ke5 52.Nb3 Be4 53.f3 Bd5 54.Nd2 Bc6 55.Nf1 Bb5 56.Nh2 f4 57.Kd2 Kf5 58.h4 Bc4 59.e4 Ke5 60.Ke1 Kd4 61.Kf2 Bd3 62.Nf1 Bc4 63.g3 Ke5 64.gf4 Kf4 65.Ng3 Bf7 66.Ne2 Ke5 67.Ke3 Bg6 68.Ng3 Bf7 69.f4 Ke6 1–0. Labahn,Wolfgang – Rensky, Bielefeld, 1982.

9.Qc2 Be7 10.Bf6 Bf6 11.d4 dc4 12.Bc4 Nd4 13.ed4 Bd4 14.Nd4 Qd4 15.Be6 Qa1 16.Bg4 Rfe8 17.Be2 Qe5 18.Nc3 b5 19.a3 a5-+ 20.f4 Qf4 21.Rf1 Qh2 22.Nb5 Qg2 23.Rf2 Qg1 24.Rf1 Qg3 25.Rf2 Re6 26.Kf1 Rae8 27.Qc7 Qh3 28.Ke1 Qh1 29.Kd2 Qd5 30.Bd3 Rc6 31.Qf7 Qf7 32.Bh7 Kf8 33.Rf7 Kf7 34.Bd3 g6 35.a4 Rd8 36.Ke3 g5 37.Bb1 Kf6 38.Bd3 (38.Be4 Rc4 39.Bd3 Ra4-+) 0–1. Fritz 6 – Fritz 8, 2004.

9.0-0 dc4 10.Bc4 Bd6 (10...a6 11.h3 Bh5 12.Nc3=+) 11.d4 Ne4 (11...Rfe8 12.Nbd2=+) 12.Be2 Rae8 (12...Rfe8 13.Nc3=+) 13.h3 (13.Nc3 Ng5=) 13...Bf3 (13...Bf5 14.d5 Ne5 15.Nd4=+) 14.Bf3 Ng5 (14...Na5 15.Qa4 Qg5 16.Be4 Re4 17.Nc3+=) 15.Bc6+= bc6 16.Nd2 Rb8 17.Qc2 (17.Nc4 c5+=) 17...Nh3= 18.gh3 Qg5 19.Kh1 Qh5 20.Kg2 Qg5 21.Kf3 Qh5 22.Kg2 Qg5 23.Kh1 Qh5 ½–½. Matveenko,Yury (2145) – Babadzhanov,Vladimir (2045), Voronezh–ch sf, 2008.

9.0-0 Rad8 10.cd5 Nd5 11.Nd4 Be2 12.Nc6 Bd1 (12...bc6?! 13.Qe2 Rb8 14.d3=) 13.Ne7 Ne7 14.Rd1 Rd3 15.a4 Rfd8 16.Ba3 c5 17.Kf1 Nc6 18.Ke2 Na5 19.Bb4 cb4 20.Ra2 b3 21.Ra1 f5 22.Na3 a6 (22...b2!? 23.Ra2 Kf7-/+) 23.Rab1= f4 24.Rb2 (worse 24.ef4 R3d4 25.d3 Ra4-/+) 24...fe3 25.fe3 b5 (better 25...Kf7!?=) 26.ab5+– ab5 27.Rc1 (27.Nb5? Nc4 28.Rbb1 Rd2 29.Rd2 Rd2 (worse 29...Nd2 30.Rb2+–) 30.Kf3 Rc2-+) 27...R3d5 28.e4 (28.d4!?+–) 28...Rd4= 29.d3 (worse 29.Nb5 Re4 30.Kf3 Rh4-/+) 29...b4 (29...Rd3!? 30.Nb5 h6=) 30.Nc4 Nc6 31.Rb3 (31.Rd1 R4d7+=) 31...Re4 32.de4 Nd4 33.Ke3 Nb3 34.Rb1 Nc5? (better 34...Nd4!?=) 35.Rb4+– Rd3 36.Kf4 g6 (36...Rd4!? 37.Rb8 Kf7 38.Ne5 Kf6 39.Rb6 Ne6 40.Ke3 Ra4+–) 37.Rb8+– Kg7 38.Rc8 Ne6 39.Ke5 Nf8 40.Rc7 Kg8 41.Nb6 Rd2 (41...Rd8 42.Nd5+–) 42.Nd5 Rg2 (42...Kh8 43.Nf6+–) 43.Nf6 Kh8 44.h4 (44.Rf7 Rh2 45.Rf8 Kg7+–) 44...Rh2? (better 44...Rd2+–) 45.Rf7 Rh4 46.Rf8 Kg7 47.Ra8 h5 48.Ra7 (better 48.Ke6!? Rh2 49.Rg8 Kh6+–) 48...Kh6 49.Kd6 Rh1 50.e5 Rd1 (50...Kg5+–) 51.Nd5 h4 52.e6 h3 (52...g5 53.e7 Re1 54.Ra3 Re7 55.Ke7 Kg6 56.Ke6 h3 57.Ne7 Kg7 58.Rh3 g4 59.Rh4 g3 60.Rg4 Kh6 61.Ng8 Kh5 62.Nf6 Kh6 63.Kf5 g2 64.Rg6) 53.Ra3 g5 (53...h2 54.Rh3 Kg7+–) 54.Rh3 Kg6 55.Rf3 (55.e7 Kf7 56.Rf3 Kg6 57.e8Q Kg7 58.Qf7 Kh6 59.Rf6) 55...g4 56.Rf8 Re1 57.e7 (57.e7 Kg5 58.e8R Re8 59.Re8+–) 1–0. Arlt,Ronald (1725) – Oppitz,Peter (2180), Bad Harzburg op, 2007.

9.a3 Ba5 10.0-0 dc4 11.Qa4 Be6 12.Bc4 Bc4 13.Qc4 Qe4 14.d4 Nd5 15.Nbd2 Nb6 (better is 15...Bd2!? 16.Nd2 Qe6=) 16.Qf7!+/– (16.Ne4?! Nc4 17.Rab1 b5+=) 16...Rf7 (16...Kf7 17.Ne4) 17.Ne4 Nc4 18.Rab1 Re8 19.Nc5 Bb6 20.Rfc1 Nb2 21.Rb2 Bc5 22.Rc5 Nd8 23.Ne5 Rfe7 24.f4 c6 25.Rc3 Nf7 26.Rcb3 Ne5 27.fe5 Rb8 28.Kf2 Kf7 29.e4 Ke6 30.Rc2 Rd8 31.Ke3 Red7 32.Rd3 Rf8 33.Ke2 Rfd8 34.Ke3 Rf8 35.Rd1 Rfd8 36.Rc4 Rf8 37.Rb1 Rfd8 38.a4 a6 39.a5 Rf8 40.Rcb4 Rfd8 41.Rf1 Rc7 42.Rfb1?? Rdd7?? 43.Rb6+– Ke7 44.Rc1 Kf7 45.d5 cd5 46.Rc7 d4 47.Kd3 Rc7 48.Kd4 Kf8 49.Kd5 Rc2 50.Rb7 Rg2 51.Ke6 g5 52.Rh7 g4 53.Kf5 Ra2 54.e6 Rf2 55.Kg4 Rf6 56.Rf7! (56…Rf7 57.ef7 Kf7 58.Kf5+–) 1–0. Bastian,Martin (2195) – Rieseler,Caroline (2125), Oberliga Ost–B, 2003.

9.0-0 a6 A) 10.cd5 Nd5 (10...Qd5 11.Bf6 Bf6 12.Nc3 Qd7 13.d4=) 11.Nc3 Re8 12.d4 Qd7 13.h3=; B) 10.d3 Qd6 (10...Re8 11.Qb3 Rb8 12.Nc3 d4 13.Nd4=; 10...Be6 11.Qc2 Qd6 12.Nbd2 Rfe8 13.Rac1=; 10...dc4 11.dc4 b6 12.Nc3 Bd6 13.Qc2=; 10...Qd7 11.Nbd2 Rfe8 12.Rc1 dc4 13.Nc4=) 11.cd5 Qd5 12.Nd4 Be2 13.Nc6=; C) 10.Na3 dc4 (10...Re8 11.d3 Be6 12.Qb3 Qd7 13.Rac1=; 10...Qd6 11.Rb1 b6 12.cd5 Qd5 13.Qc2=; 10...Rb8 11.d3 Re8 12.Rb1 Be6 13.Qc2=) 11.Nc4 Re8 12.d3 Be6 13.a4=; D) 10.Ne5 Be2 (10...Ne5 11.Be5 Be2 12.Qe2 dc4 13.Qc4=) 11.Qe2 Ne5 12.Be5 dc4 13.Qc4=; E) 10.Bf6 Bf6 11.d4 dc4 12.Bc4 Na5 13.Be2=+; F) 10.Nd4 Be2 11.Qe2 Nd4 12.Bd4 c5 13.Bf6=+; G) 10.d4 dc4 (10...Re8 11.Ne5 Be2 12.Qe2 Na5 13.cd5=; 10...Qd7 11.Ne5 Ne5 12.de5 Be2 13.Qe2+=) 11.Bc4 b5 12.Bb3 Na5 13.Nbd2=.

9.0-0 Rb8 A) 10.cd5 Nd5 (10...Qd5 11.Nc3 Qd7 12.d4 Rfd8 13.Rc1=) 11.Nc3 Re8 12.Qb3 Be6 13.Nd5=; B) 10.Ne5 Be2 (10...Ne5 11.Be5 Be2 12.Qe2 Bd6 13.Bd6=; 10...Bf5 11.d4 Re8 12.Qa4 dc4 13.Bc4+=; 10...Be6 11.Nc6 bc6 12.Qc2 dc4 13.Na3=) 11.Qe2 Ne5 12.Be5 dc4 13.Qc4=; C) 10.d4 dc4 (10...Re8 11.Nc3 dc4 12.Bc4 Bd6 13.Nb5=; 10...Qd7 11.Ne5 Ne5 12.de5 Be2 13.Qe2+=; 10...a6 11.Ne5 Be2 12.Qe2 dc4 13.Nc6=; 10...Be6 11.cd5 Qd5 12.Nc3 Qf5 13.Qb1=) 11.Bc4 b5 12.Bb3 a5 13.h3=+; D) 10.Na3 a6 (10...Qd7 11.Rc1 Rfe8 12.d3 Be6 13.Qb3=; 10...Re8 11.d3 Qd7 12.Qb3 dc4 13.Nc4=) 11.d3 Re8 12.Rb1 Be6 13.Nc2=; E) 10.Nd4 Be2 11.Qe2 Nd4 12.Bd4 c5 13.Be5=+; F) 10.Bf6 Bf6 11.d4 dc4 12.Bc4 Na5 13.Be2=+; G) 10.d3 Re8 (10...dc4 11.dc4 Re8 12.Nc3 a6 13.Qb3=; 10...Be6 11.Qc2 Re8 12.Rd1 Qd6 13.Nbd2=; 10...Qd6 11.Nbd2 Rfe8 12.Rc1 Qe6 13.Nd4=; 10...Qd7 11.Nbd2 Rfe8 12.Rc1 Be6 13.c5=; 10...Bd6 11.Na3 Re8 12.Nb5 Be7 13.Ne5=; 10...a6 11.Nbd2 Re8 12.Nd4 Be2 13.Qe2=) 11.Nbd2 dc4 12.Nc4 Nd5 13.Nfe5=.

9.0-0 dc4 10.Bc4 Ne5?? (better 10...Nb4=+ 11.Qb3 Bf3 12.gf3 Rb8 13.Na3=+; 10...Qd6 11.Ba3 Qd7 12.Be7 Qe7 13.d4=; 10...a6 11.h3 Bh5 12.d4 Re8 13.Be2=; 10...Rb8 11.d4 b5 12.Bb3 Re8 13.Nbd2=; 10...Na5 11.Be2 Re8 12.d4 Rc8 13.Qa4=; 10...Bd6 11.d4 a6 12.Nbd2 Re8 13.Qb3=; 10...Nd5 11.d4 Rb8 12.Nc3 Nb6 13.Bb5=; 10...Ne4 11.d4 Re8 12.Qb3 Nd6 13.Be2=) 11.Be5+– Nd7 12.Bb2 Nb6 13.Be2 Re8 14.Nc3 Bf6 15.d4 Qe7 16.Nd2 (16.Qc2 Qe6+–) 16...Be2 17.Ne2 (worse 17.Qe2 Bd4 18.Rac1 Rad8+–) 17...Rad8 18.a4 Nd5 19.Qb3 c6 20.e4 Bg5 21.f4 (21.f4 Bf6 22.Rab1+–; 21.ed5?! Bd2 22.Nc3 Bc3 23.Bc3 cd5+–) 1–0. Rush,Bradley – Van Alphen,John, IECG, 2004.

9.0-0 Bd6 A) 10.Na3 a6 (10...Re8 11.d3 Qe7 12.Nb5 dc4 13.dc4=; 10...Qe7 11.cd5 Nd5 12.Nb5 Bc5 13.d4=) 11.Rc1 Re8 12.c5 Be7 13.Qb3=+; B) 10.d4 dc4 11.Bc4 a6 12.Nbd2 Qe7 13.Qb1=; C) 10.d3 dc4 11.dc4 Ne4 12.h3 Bf5 13.Nc3=; D) 10.cd5 Nd5 11.Nc3 Nc3 12.Bc3 Re8 13.d4=.

9.0-0 Qd7 A) 10.Na3 Be6 (10...Rae8 11.Rb1 Ne4 12.cd5 Qd5 13.Nb5=; 10...Rab8 11.Rc1 Rfe8 12.d3 Be6 13.Nb5=; 10...Rfe8 11.Rb1 Rab8 12.Bf6 Bf6 13.d4=) 11.Rb1 Rab8 12.Qb3 dc4 13.Bc4=+; B) 10.c5 b6 (10...Ne4 11.d4 b6 12.Bb5 Bf3 13.gf3=) 11.cb6 ab6 12.Qb3 Na5 13.Qc2=+; C) 10.d3 dc4 (10...Rad8 11.cd5 Nd5 12.Nbd2 Rfe8 13.Nc4=+) 11.dc4 Qe6 12.Qb3 Ne4 13.Bd4=+; D) 10.cd5 Nd5 (10...Qd5 11.Bf6 Bf6 12.Nc3 Qd6 13.Ne4=) 11.Nc3 Rad8 12.d4 Rfe8 13.a3=+.

9.0-0 Be6 A) 10.Na3 Qd7 (10...dc4 11.Nc4 Re8 12.Rb1 Rb8 13.Bf6=; 10...a6 11.Bf6 Bf6 12.d4 Qe7 13.c5=) 11.d4 Rfb8 12.Rc1 Re8 13.c5=; B) 10.Ng5 Bf5 (10...Bc8 11.d4 Re8 12.Ba3 Bf5 13.Be7=; 10...d4 11.Ne6 fe6 12.Qb3 Qd7 13.Bf3=) 11.d4 dc4 12.Bc4 Na5 13.Be2=; C) 10.Qc1 dc4 (10...Re8 11.Bf6 Bf6 12.d4 Rb8 13.cd5=; 10...Qd7 11.Bf6 Bf6 12.d4 dc4 13.Bc4=; 10...Rb8 11.Bf6 Bf6 12.d4 Re8 13.cd5=; 10...a6 11.Bf6 Bf6 12.d4 Re8 13.cd5=; 10...Rc8 11.c5 b6 12.Bf6 Bf6 13.d4=; 10...Nb4 11.a3 Nc6 12.c5 Re8 13.Bf6=) 11.Bc4 Ne4 12.d3 Nd6 13.Bb3=; D) 10.d3 dc4 (10...Re8 11.Qb3 Qd6 12.Nbd2 Rad8 13.Rfc1=; 10...Qd6 11.Na3 Rfe8 12.Nb5 Qd7 13.Rb1=; 10...Rb8 11.Qc2 Re8 12.c5 Nb4 13.Qc1=; 10...a6 11.Qc2 Qd6 12.Nbd2 Rfe8 13.Rac1=; 10...Qe8 11.Nbd2 Rd8 12.Bf6 Bf6 13.d4=) 11.dc4 Qe8 12.Qc2 Rd8 13.Na3=; E) 10.cd5 Qd5 (10...Nd5 11.d4 f5 12.Nc3 Qd6 13.Bc4=) 11.Bf6 Bf6 12.d4 Rfe8 13.Nc3=.

9.0-0 Re8 A) 10.d3 dc4 (10...Rb8 11.Nc3 a6 12.Qb3 d4 13.Nd4=; 10...a6 11.Qb3 Rb8 12.Nc3 d4 13.Nd4=; 10...Qd7 11.Nbd2 dc4 12.Nc4 Be6 13.Qc2=; 10...Rc8 11.Nc3 Be6 12.Qb3 Qd7 13.Ng5=; 10...a5 11.Nc3 Ra6 12.Rb1 dc4 13.dc4=) 11.dc4 Ne4 12.Nbd2 Nd2 13.Nd2=; B) 10.d4 a6 (10...Qd7 11.Nbd2 Rad8 12.c5 Rb8 13.Qa4=; 10...Rb8 11.Nc3 dc4 12.Bc4 Bd6 13.h3=; 10...dc4 11.Bc4 Bd6 12.Nc3 a6 13.Rc1=) 11.cd5 Nd5 12.Nc3 Qd7 13.Qb3=.

9.Na3 A) 9...dc4 10.Nc4 a6 (10...b5 11.Nce5 Ne5 12.Ne5 Be2 13.Qe2=; 10...Re8 11.0-0 Qd5 12.d3 Rad8 13.Rc1=; 10...Be6 11.0-0 Re8 12.Rb1 Rb8 13.Bf6=; 10...Bf5 11.0-0 Re8 12.Qb3 Rb8 13.Nce5=; 10...Nb4 11.0-0 Re8 12.Nce5 Be6 13.a3=; 10...Nd5 11.0-0 Re8 12.Rb1 Rb8 13.Nd4=) 11.0-0 Re8 12.d3 Be6 13.a4=; B) 9...Qd7 B1) 10.0-0 a6 (10...Rae8 11.Rb1 Ne4 12.cd5 Qd5 13.Nb5=; 10...Rab8 11.Rc1 Rfe8 12.d3 Be6 13.Nb5=; 10...Be6 11.Bf6 Bf6 12.d4 dc4 13.Nc4=; 10...Rfe8 11.Rb1 Rab8 12.Bf6 Bf6 13.d4=; 10...dc4 11.Nc4 Be6 12.Rb1 Rab8 13.Bf6=) 11.Rb1 Rab8 12.d3 Rfd8 13.Qb3=; B2) 10.Rb1 Rfb8 11.d3 Qe6 12.Nb5 Rc8 13.cd5=; C) 9...Re8 10.cd5 (10.Bf6 Bf6 11.Rb1 Rb8 12.d4 Bf3 13.gf3=+; 10.Rb1 Rb8 11.Bf6 Bf6 12.d4 Bf3 13.gf3=+) 10...Nd5 (10...Qd5 11.Qb3 Qd7 12.Nc4 Be6 13.Nfe5=+) 11.0-0 a6 12.Nc4 b5 13.Nce5=+.

9.d4 A) 9...Bb4 10.Bc3 (10.Nc3 dc4 11.Bc4 Ne4 12.Rc1 a6 13.Be2=+) 10...dc4 (10...a5 11.a3 Be7 12.0-0 dc4 13.Bc4=; 10...Qe7 11.Bb4 Qb4 12.Nbd2 dc4 13.Rb1=) 11.Bc4 Bd6 12.Nbd2 a6 13.a4=; B) 9...Be6 B1) 10.cd5 Qd5 (10...Nd5 11.0-0 f5 12.Bb5 Qd6 13.Nbd2=; 10...Bb4 11.Bc3 Qd5 12.Bb4 Nb4 13.a3=) 11.Nc3 Qd6 12.Ng5 Qb4 13.Qd2=; B2) 10.Ng5 Na5 (10...dc4 11.Ne6 fe6 12.Bc4 Bb4 13.Bc3=; 10...Bd7 11.0-0 Bf5 12.Ba3 Re8 13.Be7=; 10...Bc8 11.0-0 Bf5 12.Nc3 Re8 13.Rc1=; 10...Bf5 11.0-0 dc4 12.Bc4 Na5 13.Be2=) 11.Ne6 fe6 12.c5 c6 13.Nd2=; C) 9...dc4 10.Bc4 a6 (10...Qd7 11.0-0 Rad8 12.Nbd2 Be6 13.Bb5=; 10...Rb8 11.Nc3 Qd6 12.0-0 Rbd8 13.h3=; 10...Na5 11.Be2 Be6 12.Ne5 Nd7 13.Nd7=; 10...Nd5 11.0-0 Nb6 12.Bb5 Nb4 13.a3=; 10...a5 11.0-0 Ne4 12.h3 Bh5 13.Bd3=; 10...Be6 11.Be6 fe6 12.Qb3 Nd5 13.Ba3=) 11.0-0 b5 12.Be2 Re8 13.a4=.

9.cd5 A) 9...Qd5 A1) 10.Qb3 Qd7 (10...Qb3 11.ab3 Be6 12.Bc4 Ne4 13.Nc3=; 10...Be6 11.Qd5 Nd5 12.Nc3 Ndb4 13.0-0=; 10...Qd6 11.Ba3 Nb4 12.Bb4 Qb4 13.Qb4=) 11.Bc3 Rab8 12.0-0 Rfd8 13.Bf6=+; A2) 10.0-0 Rfd8 (10...Rfe8 11.Bf6 Bf6 12.Nc3 Qd6 13.d4=; 10...Rad8 11.Bf6 Bf6 12.d4 Qa5 13.Nbd2=; 10...Be6 11.Bf6 Bf6 12.d4 Rfe8 13.Nc3=) 11.Nc3 Qd6 12.d4 Rab8 13.a4=; A3) 10.Nc3 Qd6 (10...Qd7 11.d4 Rad8 12.0-0 Rfe8 13.h3=; 10...Qh5 11.0-0 Rad8 12.h3 Be6 13.Nd4=; 10...Qf5 11.0-0 Rfd8 12.d4 Qg6 13.Qd3=; 10...Qe6 11.0-0 Rad8 12.d4 Rfe8 13.Qb3=; 10...Qd8 11.d4 Re8 12.0-0 Qd6 13.d5=; 10...Qa5 11.Qa4 Qa4 12.Na4 Rfe8 13.Bf6=) 11.d4 Rad8 12.0-0 Rfe8 13.Nb5=; B) 9...Nd5 B1) 10.0-0 Re8 (10...Qd6 11.Nc3 Rad8 12.Nd5 Qd5 13.Qa4=; 10...Qd7 11.Nc3 Rad8 12.Nd5 Qd5 13.Qa4=; 10...Be6 11.d4 f5 12.Bb5 Qd6 13.Nbd2=; 10...Rb8 11.Nc3 Re8 12.Qb3 Be6 13.Nd5=; 10...a6 11.Nc3 Re8 12.d3 Be6 13.Nd5=; 10...Qe8 11.Nc3 Be6 12.Qb1 f5 13.Bc4=) 11.Nc3 Qd7 12.Nd5 Qd5 13.Qa4=; B2) 10.Qa4 Bf6 (10...Be6 11.0-0 a6 12.Nc3 Re8 13.Nd5=+; 10...Bb4 11.0-0 Re8 12.a3 Nb6 13.Qc2=; 10...Ncb4 11.a3 Nb6 12.Qb3 N4d5 13.Nc3=) 11.d4 Re8 12.Nc3 Bf3 13.gf3=+; B3) 10.Nc3 Re8 (10...Be6 11.0-0 Qd7 12.Bb5 Ndb4 13.d4=; 10...Nb6 11.0-0 Be6 12.d4 Rb8 13.e4=; 10...Bb4 11.0-0 Re8 12.a3 Nc3 13.Bc3=) 11.Nd5 Qd5 12.Qb3 Be6 13.Qd5=.

9.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0 7.Nf3 Re8 8.0-0 Bg4 9.c4).

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

9.Qc2 Bh5 10.Ng5 (10.0-0!?=+) 10...Bg6 11.Bd3 Ne4 12.Ne4 de4 13.Be2 Qh4 14.Nc3 Rad8 15.Nd5 Bd6 16.g3 Qh3 17.Nf4 Bf4 18.gf4 Qg2 19.0-0-0 (19.Rf1!?-/+) 19...Qf2-+ 20.Bg4 (better 20.Rde1-+) 20...Nb4 21.Qc3 (21.Qb3 Nd3 22.Kb1 f5-+) 21...Nd3 (better 21...Na2 22.Kb1 Nc3 23.Bc3 f5-+) 22.Kc2 (22.Kb1 Nb2 23.Qb2 f5-+) 22...Nb2 23.Kb2 Rd3 24.Qc2 Qh4 (24...f5 25.Rhf1 Qh2 26.Rh1-+) 25.h3 Qf6 26.Kb1 Qb6 (26...Red8 27.Be2 R3d7 28.Qb2 Qb2 29.Kb2 Rd2 30.Kc1 Rd1 31.Rd1 Rd1 32.Bd1-+) 27.Qb2 Red8 (better 27...Qc5-+) 28.Rh2? (28.Qb6 cb6 29.f5 h5 30.fg6 hg4 31.gf7 Kf7 32.Rhf1 Kg8 33.hg4 Rc8-/+) 28...R8d6 (better 28...Qb2!? 29.Kb2 f5 30.Be2 Rd2 31.Kc1 Rd1 32.Bd1-+) 29.Qb6 Rb6 30.Ka1 Rbd6 (better 30...h5 31.Be2 Rd8-+) 31.Kb2? (better 31.f5 h5 32.fg6 hg4 33.gf7 Kf7 34.hg4-/+) 31...f5 (31...h5 32.f5 hg4 33.fg6 Rg6 34.hg4 Rg4 35.Kc2-+) 32.Be2? (32.c5 Rd7 33.Be2 Rd2 34.Rd2 Rd2 35.Kc3-+) 32...Rd2 33.Rd2 Rd2 34.Kb3 (34.Kc3 Ra2 35.Kb3-+) 34…Bh5! 0-1. FERNANDO_2013 (1780) - Drew_G (1885), Rated Blitz game, lichess.org, 2017.

9.Bf3 dc4 10.Bc6 bc6 11.Qe2 Qd3 12.Qd3 cd3=+ 13.Nc3 Rfd8 14.Rc1 Rd6 15.a3 Ba5 16.0-0 Rad8 17.f4 Rb8-/+ 18.Rb1 c5 19.Ba1 Rb1 20.Rb1 Rb6 21.Kf1 Kf8 22.Ke1 Rb1 23.Nb1 Ne4 24.Bb2 h5 25.g3 f6 26.Kd1 Ke7 27.Ke1 (27.a4 Ke6-+) 0–1. Wartig,Wolfgang – Rosner,Dirk, corr SOK–91–77, 1991.

9.Bf3 d4 10.0-0 Bc5 11.Qb3 (11.Qa4 Qd6=) 11...Qd7 12.Qb7 (12.Qb5 Qd6=) 12...Rab8 13.Qc6 Qc6 (13...Rb2?? 14.Qc5 a6 15.ed4+-) 14.Bc6 Rb2 15.Re1 (15.h3 Rfb8=) 15...Rfb8=+ 16.ed4 (16.a3!?=+) 16...Bd4-/+ 17.Nc3 Bc3 (better 17...Rd2 18.Rab1 Rb6 19.Rb6 cb6-+ (worse 19...Bf2 20.Kf1 Bb6 21.Ne4 Ra2 22.c5=+)) 18.dc3= Rc2 (18...h6 19.f4=) 19.Rec1 (19.Re7 Ra2 20.Rae1 g5=) 19...Rbb2 20.Rc2 Rc2 21.f3 Rc3 22.Bb5 g6 23.a4 Nh5 (23...c6 24.Bc6 Rc4 25.Bb5=) 24.Rd1 Rc2 (24...Nf4 25.g3 Nd3 26.f4=) 25.Rd7 Nf4 26.g3 (26.Rc7 Rg2 27.Kf1 a5=) 26...Nh3 (26...Ne6 27.f4=) 27.Kh1 (27.Kf1 Ng5+=) 27...Ng5= 28.Rd3 (28.Rc7?? Nf3 29.Rc8 Kg7 30.Rg8 Kg8 31.c5 Rh2) 28...c6 29.Bc6 Rc4 30.Bb5 Rb4 31.f4 Ne4 32.Re3 a6 33.Bd7 (better 33.Ba6!? Ra4 34.Bb5=) 33...Nf6 34.Bc6 Kg7 (34...Rc4 35.Bf3 Ra4 36.Re2-/+) 35.Re7 (35.Rc3 h5=) 35...h5 (better 35...Rc4!? 36.Rc7 Rc1 37.Kg2 Nd5 38.Rf7 Kf7 39.Bd5 Ke7-/+) 36.Ra7= Rb6 37.Bf3 Rd6 (better 37...h4+=) 38.Bb7?? (38.Be2 Rd2 39.Bc4 Ng4 40.Rf7 Kh6 41.Ba6 Rh2 42.Kg1 Ra2+=) 38...Ng4?? (better 38...Rd7-+) 39.Ra6 (39.Ba6 Rd2+=) 39...Rd1= 40.Kg2 Rd2 41.Kf3?? (41.Kf1 Rh2 42.a5 Rb2=) 41...Nh2 (41...f5 42.Rg6 Kg6 43.a5 Rf2) 42.Ke3= Rd7 (42...Nf1 43.Kf3=) 43.Bc6 (43.Bf3 Re7 44.Kf2 Rc7+=) 43...Ng4 44.Kf3 Rd3 45.Ke2 (45.Kg2!?=) 45...Rg3=+ 46.a5 Re3 47.Kd2 Ra3 48.Bd7 (better 48.Ra7!?-/+) 48...Nf6 49.Bc8 Nd5 50.f5 g5 51.Rd6? (better 51.Bb7 Ra2 52.Kc1-+) 51...Ra5 52.Bb7 (52.Ba6 h4 53.Ke1 g4-+) 52...Nf4 (better 52...Nf6!? 53.Ke2-+) 53.f6 (53.Be4 f6-+) 53...Kh6 54.Rd7 (54.Be4 Re5 55.Bb1 g4-+) 54...Ra2 (54...Kg6 55.Rd6 Ne6 56.Rc6-+) 55.Kc3 Ne2 (better 55...Kg6!? 56.Rd6 Ne6 57.Bd5 Ra3 58.Kb2-+) 56.Kb3 Ra1 (56...Ra7 57.Kc4-+) 57.Rf7 (57.Be4 Re1 58.Kb2 g4 59.Rf7 Kg5-+) 57...Kg6 58.Re7 Kf6 (58...Rb1 59.Kc2 Kf6 60.Rh7-+) 59.Re2 Rb1 60.Rb2 Rb2 61.Kb2 Ke5 62.Kc2 Kf4 63.Kd2 Kg3 (better 63...h4!?-+) 64.Ke2 Kh2?? (better 64...h4-+) 65.Kf2?? (better 65.Ke3=) 65...g4-+ 66.Be4 h4 Black plans g3 67.Bg2 h3 68.Be4 g3 69.Ke2 g2 70.Bg2 (70.Kf3 g1Q 71.Kf4 Qf2 72.Ke5 Qe3-+) 70...hg2 71.Ke3 g1Q 72.Ke4 Qg3 73.Kd4 Kh3 74.Ke4 Qf2 75.Kd3 Kg3 76.Ke4 Kg4 77.Kd3 Qf3 78.Kc4 Kf4 79.Kd4 Qe4 80.Kc5 Ke5 (80...Ke5 81.Kb6 Qb4 82.Kc6 Qc4 83.Kd7 Qc5 84.Kd8 Qb6 85.Kc8 Qa7 86.Kd8 Kd6 87.Ke8 Qe7) 0-1. yasminoah (1910) - Dragon_Bishop (1840), Rated Blitz game, lichess.org, 2014.

9.Bf3 d4 10.0-0 d3 11.Nc3 (11.Qb3 a5+=) 11...Ne5 (11...Na5 12.Nd5 Nd5 13.cd5=) 12.Nd5 (12.Bb7!? Rb8 13.Ba6+=) 12...Nf3= 13.Qf3 Nd5 14.cd5 Bd2 (14...f5 15.Qf4 Qe7 16.Qc4+=) 15.Rad1+= Bb4? (better 15...Ba5 16.Rd3 Qg5+–) 16.Qg4+– (16.Rd3?! Bc5+=) 16...f6 17.Qb4 Qd5 18.e4 Qa2 19.Rd3 Rad8? (better 19...a5 20.Qb5 c6+–) 20.Rd8 (20.Ra3 c5 21.Qb7 Rf7+–) 20...Rd8 21.Qb7 c5 (21...Qa5 22.Qb3 Kh8 23.Qf7+–) 22.Qe7 Rb8 (22...Rf8 23.Bc1+–) 23.Ba1 (23.Bc1 Rc8+–) 23...Qa5 (23...Rc8 24.Qd7 Rf8 25.Rc1+–) 24.e5 Qd8 (24...Qa2 25.Qd6 Rf8 26.ef6 (worse 26.Qc5 fe5 27.Be5 Re8+–) 26...gf6 27.Qc5+–) 25.Qa7 fe5 (25...Ra8 26.Qc5 fe5 27.Qc4 Kh8 28.Be5 Qg5+–) 26.Be5 Qf8 27.Qb8 1–0. Janek – Varpan, internet, 2018.

9.Bf3 d4 10.Bc6 de3 11.fe3 bc6 12.0-0 Be7 13.Nc3 (13.Qf3 Qd6+=) 13...Rb8 (13...Qd3 14.Qe2 Rfd8 15.Rad1=) 14.Rb1 (14.Qc2!?+=) 14...Qd3=+ 15.Qe2 Rfd8 16.Qd3 Rd3 17.Bc1 Rb6 18.Na4?? (better 18.Rb3=) 18...Rb1-+ 19.Nc3 (19.Kf2 Ra1 20.Ke2 Rd8-+) 19...Ra1 20.Kf2 Bc5 (better 20...Bb4!? 21.Ke2 Rd8 22.Rf6 gf6 23.Bb2-+) 21.Ke2 Rd8 (better 21...Rc3 22.dc3 Ng4 23.Bd2 Ra2 24.Rf3-+) 22.Na4 (22.d4 Bb4 23.Bb2 Rf1 24.Kf1 c5-+) 22...Be7 (22...Bb4 23.a3 Bd2 24.Bb2 Rf1 25.Kf1-+) 23.Nc3 (23.a3 Ne4 24.d4 Ba3 25.Ba3 Ra3-+) 23...a5 (23...Bb4 24.Rf6 gf6 25.Bb2-+) 24.Kd1 (24.Ba3 Rf1 25.Be7 Rd7 26.Kf1 Re7-+) 24...Ng4 (better 24...Bb4 25.Kc2 Bc3 26.Kc3 Ne4 27.Kb2 Nd2 28.Ka1 Nf1-+) 25.h3 (25.Kc2 Bb4 26.h3 Ne5-+) 25...Ne5 (better 25...Ne3 26.Ke2 Nf1 27.Kf1 Rc1 28.Ke2-+) 26.Rf5 (26.Kc2 Nd3 27.e4 Ba3 28.Ba3 Rf1-+) 26...Nc4 (better 26...Nd3 27.Ra5 Rc1 28.Ke2 Nb2-+) 27.Rf4 (27.Kc2 a4! 28.Rf2 Bb4 29.Na4 Bd2 30.Bd2 Ra2 31.Kb3 Rad2 (31...Nd2?! 32.Ka2 Kf8 33.Re2-+) 32.Rd2 Nd2 33.Kc3 Nf1-+) 27...Ne3 (27...Rd2 28.Ke1 Rc1 29.Nd1 Rcd1) 28.Ke2-+ Rc1 29.Ke3 Bg5 30.Ne2 Re1 31.Kf2 Re2! 32.Ke2 Bf4 33.Kf3 Bd2 (33...Bd2 34.a4 c5-+) 0-1. AhmedSultanov (1760) - RickyX (1900), lichess.org, 2019.

9.Bf3 d4 10.Bc6 de3 11.Bf3 ef2?? (better 11...ed2 12.Kf1 Re8 13.Nd2 Bd2-/+) 12.Kf2+- Qd3 13.Qb3 (13.g3 Ne4 14.Kg2 Nd6+-) 13...Bc5? (better 13...Ne4!? 14.Be4 Bc5 15.Ke1 Qe4 16.Kd1 Qg2=) 14.Ke1+- Rfe8 (14...Rae8 15.Kd1 Qd6 16.Nc3+/- (16.Qb7 Rb8 17.Qc6 Qc6 18.Bc6 Rb2-/+)) 15.Kd1 Qd6 16.d4 (better 16.Bc3+-) 16...Bd4= 17.Kc2 Bb2 18.Qb2 Ne4 19.Rd1 (19.Qb7 Nc5 20.Qb4 Qg6 21.Kd1 Rad8 22.Nd2 Nd3-+) 19...Qg6 20.Kc1 Qg5 21.Nd2 (21.Kc2 Qg6 22.Kc1 Qh6 23.Kc2 Nd6=) 21...Rad8 (21...Nf2!? 22.Qb5 Qf6-/+) 22.Be4=+ Re4 23.Kc2 Red4 24.Qc3 Qg2 (24...Qf5 25.Kc1 Rd3 26.Qb2-+) 25.Qe3 (better 25.Rab1-/+) 25...Qg6 26.Kc3?? (26.Kc1 Qf6 27.Kc2 Qf5 28.Ne4 Rc4 29.Kb2 Qb5 30.Qb3 Qe5 31.Nc3 Qh2 32.Ka3-+) 26...Rd3 27.Qd3 Qd3 28.Kb2 Rd6 (better 28...b5!? 29.c5-+) 29.Rac1 Rb6 (better 29...Qe2!? 30.Kc2-+) 30.Nb3 Qe2 31.Rd2 (31.Kb1 Kf8 32.c5-+) 31...Qd2 32.Rc2 Qd4 33.Kc1 White prepares c5 33...Qg1 34.Kb2 a5 (34...Rh6!? 35.c5-+) 35.c5 (35.Ka3 Qe1 36.c5 Qb4 37.Kb2 Rb5-+) 35...Rb3! 36.ab3 (36.ab3 f5 Passed pawn; 36.Kb3 f5 Passed pawn) 36...g5 37.Rd2 (37.c6 Qd4 38.Kb1 b5-+) 37...Qc5 38.Rc2 Qd4 (38...Qe5 39.Ka2-+) 39.Kb1 Qd3 (39...f5 40.Rc7 Qg1 41.Rc1 Qh2 42.Rc5-+) 40.Kb2 Qc2! 41.Kc2 f5 42.Kd3 f4 43.Ke4 h5 44.Kf5 f3 45.Ke4 f2 46.Kd4 f1Q 47.Kc3 Qg2 48.Kd4 Qh2 49.Kc3 g4 50.Kd4 g3 51.Kd5 (51.Kc3 g2 52.Kd4 g1Q 53.Kd3 Qgg3 54.Kc4 Qe2 55.Kd5 Qd6) 51...g2 52.Kc4 (52.Kc4 g1Q 53.Kd3 Qgg3 54.Kc4 Qe2 55.Kd5 Qd6). yasminoah (1985) - arshk (1835), Rated Blitz game, lichess.org, 2014.

9.Qf3 d4 10.Be2 Re8 11.0-0 Ne4 12.Bd3 Ng5 13.Qd5 Ne5 14.Bc2 d3 15.Bb3 Qf6 16.Be5= Re5 17.Qb7 Ree8 18.Qb4 Qa1 19.Nc3 Qb2 20.Nd5 a5-/+ 21.Qc5 Ne6 22.Qc6 a4 23.Ba4 Qa2 24.Bb5 Qd2 25.f4 Qe2 26.Rf2? Ra1 27.Kh2 Rd8 28.f5?? Qf2 29.fe6 fe6 30.Qe6 Kh8 31.Nf4 d2 32.Qf7 0–1. Schoppmeyer,Herbert – Hantke,Rolf, Loehne, 1971.

9.Qf3 d4 10.Be2 Re8 11.0-0 Ne5 12.Qf4 c5 13.ed4 Ng6 14.Qf3 cd4 15.Bd3? Ne5-+ 16.Qe2 Qc7 17.Bd4-/+ Neg4 18.hg4 Re2 19.Be2 Re8 20.Be3-/+ Qe5 21.d4 Qe6 22.g5 Ne4 23.a3 Ng3!-/+ 24.ab4 Ne2-+ 25.Kh2 Qg4 26.g3 Re3 (26...Re3 27.Ra7 Qh5 28.Kg2 Qf3 29.Kh2 Re8-+; 26...Nd4?! 27.Ra7 Nf3 28.Kg2-+) 0–1. Rudbeck,Joergen – Hoeiberg,Nina, Arhus, 1988.

9.Qf3 Ne4 10.Qg4 Nf6 11.Qg3 (11.Qf5 d4 12.Be2 Re8=) 11...d4=+ 12.Bd3? (12.a3 Ne4 13.Qf4 de3 14.ab4 Nf2 15.Rg1 Nb4 16.Ke2-+) 12...de3-+ 13.fe3 Qd3 (better 13...Nh5!? 14.Qf3 Qd3 15.Qh5 Qe3 16.Qe2 Qb6-+) 14.Bf6=+ g6 15.Rf1 (15.a3 Bd6 16.Qg5 Rfe8-/+ (16...Qc4?? 17.Qh6 Bg3 18.Kd1 Qb3 19.Kc1 Qb2 20.Bb2+-)) 15...Rae8 (15...Na5 16.c5 (16.Qc7 Nc4 17.Rf2 Ne3-+) 16...Nc4 17.Rf3-+) 16.Nc3 (16.Qc7 Re3 17.Kf2 Bc5-+) 16...Bc3 (16...Na5!? 17.Qf3 Nc4-/+) 17.Bc3=+ Nd4 18.Bd4 Qd4 19.Qc7?? (19.Rb1 b6 20.Rf4=+ (20.Qc7? Re3 21.de3 Qe3 22.Kd1 Qd3 23.Kc1 Qf1 24.Kb2 Qg2 25.Ka1 Re8-+)) 19...Qa1-+ 20.Ke2 Qa2 21.Qb7 Qc4 22.Kd1 (22.Kf2-+) 22...Qf1 23.Kc2 Rc8 (23...Rc8 24.Kb3 Qb1 25.Ka4 Qa2 26.Kb5 Qc4 27.Ka5 Rc5 28.Qb5 Qb5) 0-1. zomboeb (1625) - Mikhalizia96 (1735), lichess.org, 2020.

9.Qb3 Bf3 10.gf3 d4 (10...Re8 11.Rg1 Bc5 12.Qb7=+) 11.Bg2 (11.a3 Bc5=) 11...Qd6 (11...a5 12.Rg1=+) 12.0-0 (12.a3 Bc5 13.Qb7-+) 12...a5 13.a4 (13.a3 a4 14.Qd3 de3 15.Qd6 ef2 (15...Bd6 16.fe3 Ne5 17.c5+–) 16.Kf2 Bd6 (16...cd6 17.ab4 Ne5 18.Be5 de5 19.f4+–) 17.Bf6 gf6-/+) 13...Rad8 14.f4 Qe6 (14...d3 15.Nc3-/+) 15.Kh2 (15.Bc6 Qc6 16.Bd4 Qe6=) 15...Ne4 16.Qc2 Rfe8 17.d3= Nf6 18.Bc6 Qc6 19.Bd4 Rd4 20.ed4 Qf3 21.Qd1 Re2 22.Kg1= Nh5 (23.Qe2 Qe2-+) 0–1. Botsaris,Harry Dimitris (2175) – Koumanis,Stamatis (2195), Peristeri op 2nd, 1995.

9.Qc2 Bf3 10.gf3 dc4 11.Bc4 Na5=+.

9.cd5 Nd5-/+ 10.Be2 Re8 11.0-0 Qd6 12.Nd4 (12.Nc3 Rad8=+) 12...Be2-/+ 13.Ne2 Rad8 14.Nbc3 (14.d3 Qe6=+) 14...Nc3 15.Bc3 Bc3 16.dc3 Qc5 17.Rc1?? (better is 17.Qc2-/+) 17…Rd1-+ (18.Rcd1 Qc4-+) 0–1. Wilk,B – Schirmer,Michael, corr 3GMM–05, 1995.

9.cd5 Nd5 10.Be2 Re8 11.0-0 Bd6 12.Nc3 Ndb4 13.a3 Bf3 14.Bf3 Nd3 15.Be2 Nb2 16.Qb3 Ne5 (16...Na5 17.Qb2 c5 18.d4=) 17.Qb2 Rb8 18.d4 Ng6 19.Rfc1 c6 20.Rab1 Qg5 21.Bf3 (21.Bd3 Nh4 22.g4 Re3-+) 21...Nh4-/+ 22.Qe2 Nf5 (better 22...Ba3!? 23.Rd1 a5-/+) 23.Ne4= Re4? (better 23...Qg6 24.Rb3 Bc7=) 24.Be4+- h5 (24...Nh4+-) 25.Bc6! bc6 26.Rb8 Bb8 27.Rc6 (27.Rc6 Ne7 28.Rc5+/-) 1-0. fishissushi (1855) - Nogodnomaster (1890), Rated Blitz game, lichess.org, 2020.

9.cd5 Nd5 10.Be2 Re8 11.0-0 Qe7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.h3 Bh5).

9.Be2 dc4 10.Bc4 Re8 11.0-0 Qd6 12.Be2 Rad8 13.d4 Ne4 14.Nfd2? Be2 15.Qe2 Nd2 16.Nd2 Nd4! 17.Qg4 f5 18.Qd4 Qd4 19.Bd4 Bd2 20.Rfd1 Bb4 21.Rdc1 Rd7 22.Rc4 Ba5 23.Rc5 Bb6 24.Rf5 Bd4 25.ed4 Rd4 26.Ra5 Ra8 27.Rb1 b6 28.Ra6 Rdd8 29.Rb3 Rdb8 30.Rba3 Rb7-/+ 31.f4 c5 32.Kf2 Kf7 33.Ke3 b5 34.Rc6 Re8 35.Kf3 c4 36.Ra5 Re6 37.Rc5 a6 38.f5 Rd6 39.Kf4 Ke7 40.Ke5 Kd7 41.a4 Rdb6 42.Kd4 Rd6 43.Ke5=+ Rdb6 44.Kd4-/+ Ke7 45.Re5 Kf6 46.Rc5 Rd7 47.Ke4 b4 48.Rc4 b3 (48...b3 49.Rac5 Rdb7-+) 0–1. Gerold,G – Weinitschke,W, corr DDR, 1989.

9.Be2 Re8 10.Qc1 d4-/+ 11.0-0 Ne5 12.Nd4= Be2 13.Ne2+= Nd3 14.Qc2 Ne4 15.Bc3 Bc3 16.Nbc3 Nef2 17.Rf2 Nf2 18.Kf2 Qh4 19.Kg1 Qc4 20.Qb3 Qb3 21.ab3 a6 22.Nd5 Rac8 23.Rc1 c6 24.Nb6 Rcd8 25.Rc2 Rd3 26.Nc1 Rd6 27.Nc4 Rd5 28.Ne2 Red8 29.Nf4 R5d7 30.d4 g6 31.Kf2 Re7 32.g4 Kg7 33.h4 f6 34.g5 f5 35.Ne5 Rc8 36.h5+– gh5 37.Nh5 Kg8 38.Nf6 Kg7 39.Kf3 h6 40.Nh5 Kh7 41.Rh2 Re5 42.de5 hg5 43.Nf6 Kg6 44.e4 Rc7 45.Rh8+– Re7 46.Re8 Re8 47.Ne8 fe4 48.Ke4 g4 49.Nd6 Kg5 50.Nb7 g3 51.Kf3 Kf5 52.e6 Ke6 53.Nc5 Kd5 54.Na6 Kd4 55.Kg3 Kc3 56.b4 Kc4 57.Kf3 Kb5 ½–½. Skaug,Torbjoern – Lea,Per, corr Norway, 1986.

9.Be2 Re8 10.g4 Bg6-/+ 11.0-0 d4 (better 11...dc4!? 12.Bc4 a6-/+) 12.Nd4= Nd4 13.Bd4 Ne4 14.Nc3 (14.d3 c5 15.Bb2 Ng5+=) 14...Qh4 (14...Bc3 15.Bc3 Qh4 16.Kg2=+) 15.Nd5 (15.Ne4 Re4 16.Kg2 c5=) 15...Bd2 (15...Bd6!? 16.d3 Ng5-+) 16.Nc7=+ Bc3 (better 16...Nf2!? 17.Rf2 Qg3 18.Kf1 Qh3 19.Rg2 Ba5=+) 17.Bc3+/- Nc3 18.Qd7?? (18.Qe1 Qh3 A) 19.Na8 Bd3 20.f4 Ne2 21.Qe2 Be2 22.e4 Qg4 23.Kf2 Qf3 24.Ke1 Bf1 25.Kd2 Qd3 26.Kc1 Qc3 27.Kd1 Rd8; B) 19.Ne8 Re8 20.Qd2 Be4-/+ (20...Ne2 21.Qe2 h5 22.f3=+); C) 19.Qc3=) 18...Ne2-+ 19.Kh2 Red8 (19...Re3! 20.Qd8 Rd8 21.fe3 Qg3 22.Kh1 Qh3) 20.Qb5-+ Rac8 (better 20...Nc3 21.Qe5 Rac8 22.Qc3 Rc7-+) 21.Qb7 (21.Nd5 Be4 22.Qb4 Re8 23.Qb7 f5-+) 21...Nc3 (21...Qe7 22.Rad1 Be4 23.Rd8 Rd8 24.Qb2 Qc7 25.f4-+) 22.c5 (22.Nd5 Nd5 23.cd5-+) 22...Bd3 (better 22...Qe7 23.Qb4 Qc7 24.Qf4-+) 23.Rg1 (23.Na6 Qf6 24.g5 Qa6 25.Qa6 Ba6-+) 23...Qf2 24.Rg2 Qe3 25.Qa7 (25.Rg3 Qe5 26.Rag1 Rb8-+) 25...Nb5 (better 25...Be4 26.Nd5 Nd5-+) 26.Nb5 Bb5 27.Rf1 (27.Rb1 Bc6 28.Rf1-+) 27…Bf1 (27...Bf1 28.Qb7 Bg2 29.Qb3 Qe2 30.Qb5 Qe5 31.Kg2 Rd2 32.Kf3 Qf6 33.Ke4 g5 34.Qb8 Qg6 35.Kf3 Qd3) 0-1. zomboeb (1620) - Huskisson906 (1655), lichess.org, 2020.

9.g4 Bg6 10.a3 Ba5 11.Nc3 Ne4 (11...d4 12.Ne2 de3 13.fe3 Re8-+) 12.Qb3? (better 12.Nd5!? Nc5 13.Ne5 Ne5 14.Be5=+) 12...Nc3 (12...dc4 13.Qd1-+) 13.Bc3-/+ Bb6 (better 13...Bc3!? 14.dc3 Be4-+) 14.cd5= Na5 (better 14...Ne7=) 15.Bb2?? (15.Ba5 Ba5 16.Bg2= (worse 16.Qb7 Be4 17.Bg2 Bd2 18.Kf1 Bd5=+)) 15...Nb3-+ 16.Bf6 Qf6 17.Bb5 Qf3 (17...Qa1 18.Ke2 Qh1 19.d3 Nc1 20.Kd2 Ba5 21.Kc2 Ne2 22.Ng1 Qg1 23.f3 Qc1 24.Kb3 Qb1 25.Ka4 Nc3 26.Ka5 Qb5) 18.Rc1 Bd3 (18...Qh1 19.Bf1 Bd3 20.Rc7 Qf1) 19.Rc6 Qe2 (19...Qh1) 0-1. FERNANDO_2013 (1750) - sina (1745), Rated Blitz game, lichess.org, 2018.