6.Bb5 Nc6 7.Nf3 (--> 6.Nf3 Nc6 7.Bb5).

6.Bb5 Bd7 7.Qe2 Qa5 8.a4 Nc6 9.Nf3 0-0 10.Bf6 gf6 11.0-0 Bb4 12.c3 Bd6 13.Na3 a6 14.Nc2 Rfb8 15.c4 ab5 16.ab5 Qc7 17.bc6 Qc6 18.d3 dc4 19.dc4 e5 20.Nd2 Bf5 21.e4 Bg6 22.h4 h5 23.Ne3 Bc5 24.Nd5 Kg7 25.Nb3 Ba3 26.Rfd1 Ra4 27.Nd2 Rba8 28.Rab1 Bc5 29.Rb3 Ra3 30.Rf3 Rf3 31.Nf3 Ra4 32.Nd2 Ra2 33.Qd3 Ra3 34.Qb1 Qe6 35.Nb3 Ba7 36.c5 Qg4 37.f3 Qh4 38.Qb2 Ra5 39.Qc2 Ra6 40.Nc3 Rc6 41.Nd5 Bh7 42.Qc3 Qg3 43.Qb4 h4 44.Ra1 h3 45.Ra2 Bg6 46.Ne3 Ra6 47.Re2 b6 48.Qb5 Ra3 49.cb6 Bb8 50.Nf1 Qf4 51.gh3 Qf3 52.Re3 Qf4 53.Qd5 Ra2 54.Nbd2 Ra1 55.Kg2 Rd1 56.Rf3 Qg5 57.Rg3 Qh4 58.Qa8 Qh8 59.Nc4 Rb1 60.Nfe3 Rc1 61.Qa3 Rb1 62.Qa2 Rb4 63.Nd5 Rb5 64.Na3 Ra5 65.Qc4 Qf8 66.Qf1 Qd6 67.Nc4 Ra2 68.Kg1 Qc6 69.Nce3 Rd2 70.Rg4 Rb2 71.Nf5 Kf8 72.Nfe7 Qc5 73.Kh1 Rf2 74.Qd1 Qa3 75.Ng6 fg6 76.Nc3 Ke7 77.Rg3 Qc5 78.Qg1 Qd4 79.Rg6 Kd7 80.Rg8 Qc3 81.Qg7 Kd6 82.Rd8 Kc5 83.Rc8 Kb5 84.Rc3 Rd2 85.Qg8 Rd1 86.Kg2 Rd2 87.Kf3 Rd4 88.Qb8 Rd1 89.b7 Rf1 90.Ke2 Rf3 91.Qe8 Kb6 1–0. Green Light Chess v2.15c – Comet B.37, computer chess game, 2001.

6.Nc3 0-0=+ 7.Nf3 Nc6 8.Be2 Be7 (8...Ne4 9.Ra2=+) 9.Nb5 Ne4 (9...a6 10.Nbd4=) 10.c4 (10.0-0 f6=) 10...dc4=+ 11.Bc4 (11.Qc2 Nd6 12.Nd6 Bd6 13.Bc4 Bd7=) 11...Qa5 (11...a6!? 12.Nbd4 Nd4 13.Nd4 e5=) 12.Qc2= Bf6 (12...Nd6 13.Nd6 Bd6 14.Qc3 Qc3 15.Bc3=) 13.Qe4 (13.Rb1 Bb2 14.Rb2 Nf6=) 13...Bb2= 14.Ng5 f5 (better is 14...g6 15.Qh4 h5=) 15.Be6?? (15.Qh4 h6 16.Ne6 Be6 17.Be6 Kh7 18.Rb1 Qb5 19.Bc4–+) 15...Kh8–+ 16.Qh4 h6 17.Qh5 (17.Nd6 Ba1 18.Ndf7 Rf7 19.Nf7 Kh7 20.Ng5 Kg6 21.g4–+) 17...Be6 (17...Ba1 18.Qg6 Qd2 19.Kd2 Rd8 20.Ke2 Rd2 21.Kd2 Bc3 22.Nc3 Be6 23.Qh7; 17...Qb5?? 18.Qg6 Qe2 19.Ke2 Nd4 20.ed4 Ba1 21.Qh7) 18.Ne6 Ba1 19.Nf8 (19.0-0 Qb5 20.Nf8 Rf8 21.Ra1 Qd3–+) 19...Rf8 20.Nd6 (20.0-0 Be5 21.Qe2 a6–+) 20...Qd5 (20...Qa3 21.0-0 Qd6 22.Ra1 Qd2 23.g3–+) 21.0-0 Be5 (better is 21...Qd6!? 22.Ra1 Qd2 23.Rb1–+) 22.Nf5?? (22.Nb7 Rb8 23.d4 Bd4 24.ed4 Rb7 25.Rd1–+) 0–1. Jagnow,K – Baucke,Gerrit, Niedersachsen–ch U20, 1996.

6.c4 a6 7.d4 Be7 8.cd5 ed5 9.Nd2 0-0 10.Bd3= b5 11.Ngf3 Nc6 12.0-0 Re8 13.Rc1 Na5 14.Qc2 Bg4 15.Ne5 Rc8 16.Qb1 Rc1 17.Rc1 h6 18.Ng4+/– Ng4 19.h3 Nf6= 20.Bc3 Nc4 21.Bc4 dc4=+ 22.Nf3? Nd5 23.Ne5 Ba3–/+ 24.Rc2 Nc3 25.Rc3–/+ Qa5 26.Qa1 b4?? 27.Rc4= Qb5 28.Rc5 Qe2 29.Qb1 g6 30.Rc7+/– Rf8?? 31.Ng4 Kg7+= 32.Ne5 Qb5?? 33.Qg6 Kh8 34.Qh6 Kg8 35.Qg6 fg6–+ 36.Nf3 Qf5 37.Rc5 b3 38.Rf5 gf5 39.Ne5 b2 40.Kh2 b1Q 41.h4 a5 42.h5 (42...Qc2 43.f3–+). revbodio – BubblesBath, Live Game Caissa's Web, 2005.

6.c4 b6 7.d4 Be7 8.Nf3 Bb7 9.Nbd2 Nbd7 10.Be2 Rc8 11.0-0 0-0 12.Qb3 dc4 13.Bc4 Nd5 (13...a6 14.Bd3=) 14.Rac1 N7f6 (14...Bd6 15.Rc2=) 15.Ne5 Bd6 16.Ndf3 (16.e4 Nc7 17.Bd3 Be5 18.de5 Nh5+=) 16...Be5 (16...a6 17.Bd3=) 17.de5 Rc4? (better 17...Ne4+=) 18.Qc4 h6?? (18...Nd7+-) 19.Rfd1 (19.ef6!? Nf6 20.Rfd1 Bd5+-) 19...Nh7 (19...Nd7 20.e4+-) 20.e4 Qc7 (20...Ng5 21.Qd3+-) 21.Qc7 Nc7 22.Rc7 Be4 23.Nd2 (23.Ra7 Bd5+-) 23...Bg6 (23...Rd8 24.f3 Bg6 25.Bc3+-) 24.Re1 (24.Nc4!? b5 25.Nd6 a5+-) 24...f6 (24...Rd8 25.Nc4 Ra8 26.Nd6+-) 25.Nf3 1-0. ClayPigeons (2080) - mertkalaycii1997 (1970), Rated Bullet game, lichess.org, 2019.

6.Bd3 Nc6 7.Nf3 0-0 8.Ne5 Ne5 9.Be5 Nd7 10.Bb2 b6 (10...Qb6 11.Bh7 Kh7 12.Qh5 Kg8 13.Bg7 Kg7 14.Qg5 Kh7 15.Qh5 Kg8 16.Qg5 Kh7 17.Qh5 Kg7 18.Qg5 Kh7=) 11.h4 (11.0-0 Qh4=) 11...e5 12.f3 (better 12.Nc3!? Nf6 13.0-0=+) 12...d4-+ 13.ed4 (13.Qe2 Nf6-/+) 13...ed4 14.c3? (14.a4 Re8 15.Kf2 Qf6-+) 14...dc3 (14...Re8 15.Kf1 Ne5 16.Bb5-+) 15.Bc3? (15.Nc3 Ne5 16.Bb5-+) 15...Re8 16.Kf1 Bb7 (16...Nf6 17.Bb5 Nh5 18.g4 Bg4 19.d4 (19.Be8 Qd3 20.Kg2 Re8 21.Be5 Re5 22.Nc3 Nf4 23.Kh2 Bf3 24.Qf1 Qd2 25.Ne2 Re2 26.Kg3 Nh5 27.Kf3 f5 28.Qe2 Qd5 29.Qe4 Qe4) 19...Ng3 20.Kg1-+) 17.h5? (17.Bb5 a6 18.Ba4-+) 17...Ne5 18.Bc2 (18.Bb5 Bc6 19.Bc6 Nc6 20.d3-+) 18...Qg5 (better 18...Ba6 19.Qe2 Be2 20.Ke2 Nd3 21.Kd1 Nf2 22.Kc1 Nh1-+) 19.h6 (19.Be5 Qe5 20.Nc3-+) 19...Qg3 (19...Ba6 20.d3 Nd3 21.g3 Nf4 22.Bd3 Qg3 23.Ra2 Bd3 24.Qd3 Nd3 25.hg7 Qf3 26.Rf2 Qf2) 20.d4 Ba6 21.Kg1 (21.Qe2 Be2 22.Ke2 Qg2 23.Kd1 Qh1 24.Be1 Nf3 25.Bh7 Kh7 26.dc5 Qe1 27.Kc2 Nd4 28.Kb2 Re2 29.Nd2 Qd2 30.Kb1 Qc2) 21...Nf3! 22.Qf3 (22.Qf3 Bd4 Mate attack) 22...Bd4! 23.Bd4 (23.Bd4 Re1 Mate attack) 23...Re1 24.Qf1 Rf1 0-1. hamidrezaderakhshan - purusharth40, lichess.org, 2020.

6.d4 0-0?? 7.dc5+- Nc6 (7...Nbd7 8.Qd4+-) 8.g4 (8.c4 Ne4+-) 8...b6 (8...e5 9.h3+-) 9.g5 (better 9.cb6 ab6 10.c4+-) 9...bc5?? (better 9...Ne4+-) 10.gf6 gf6 (10...g6 11.Nd2+-) 11.Qg4 (11.Qf3 Ne5 12.Qf4 Nd7+-) 11...Kh8 12.Qh4 (12.Qh5 c4+-) 12...Ne5 Black plans c4 (12...e5 13.Bd3 f5 14.Qh6+-) 13.Be5 (better 13.f4 Rb8 14.Ra2 Ng6 15.Qf6 Qf6 16.Bf6 Kg8+-) 13...fe5 14.Qd8 (14.Qh6 Rg8+-) 14...Rd8 15.Bd3 (15.Nh3 Rg8+-) 15...c4 16.Be2 Rb8 17.Nc3 (17.Nf3 f6+-) 17...Ba6 (17...d4 18.Ne4 Bb7 19.Bf3+-) 18.Nf3 e4 (18...f6 19.0-0-0+-) 19.Ng5 Rg8 (19...Rd7 20.Bh5 Rf8 21.f3 ef3 22.Rb1+-) 20.Nf7 Kg7 21.Ne5 Kf6 (21...Rbc8+-) 22.0-0-0 (better 22.Nd7 Kf5 23.Nb8 Rb8 24.Kd2+-) 22...Ke5 23.Rhg1 Rg1 (23...Rbf8 24.Rg8 Rg8 25.f4 ef3 26.Bf3+-) 24.Rg1 d4?? (better 24...Kf6+-) 25.Rg7 (better 25.Rg5 Kf6 26.Ne4 Kf7 27.ed4+-) 25...dc3+/- 26.Rh7 (26.Ra7 Bb7 27.h4+=) 26...Bb5 (26...Rb2!?+=) 27.Ra7+/- Rh8? (better 27...Bc6+/-) 28.Ra5+- Rh2 29.Rb5 Kd6 30.Rb4 Rh1 (30...Rf2 31.Bc4 Rh2 32.Bf1+-) 31.Bd1 Rh2 (31...Kc5+-) 32.Rc4 Rf2 33.Rd4 (33.Rc3 Rf7+-) 33...Kc5 (33...Ke5 34.Rd7+-) 34.Re4 e5 (34...Kd5 35.Rd4 Kc5 36.Rd8+-) 35.Re5 Kd6 (35...Kc6+-) 36.Rf5 (better 36.Rb5 Rf8 37.Rb6 Kd5 38.Rb3+-) 36...Ke6?? (36...Rf5 37.Be2-/+) 37.Rf6 (better 37.Rf2 Kd5 38.a4+-) 37...Kf6-+ 38.Be2?? (better 38.a4-+) 38…Kg5 (38...Kg5 39.Bd3 Kg4+=) 0-1. Agiant - emotek123, lichess.org, 2019.

6.Be5 Nc6 7.Bc3 (7.Bb5 Bd7 8.Bc6 Bc6+=) 7...0-0 8.d4 (8.Nf3 Ne4+=) 8...Bd6 9.Bd3 e5 (9...Ne4 10.Be4 de4 11.Nd2+=) 10.de5 Be5 (10...Ne5 11.Nf3 Bg4 12.Nbd2+=) 11.Nf3 Bg4 12.Be2 (12.0-0 Bc3 13.Nc3 d4–/+) 12...Bc3 (12...Bf3 13.Bf3 Qc7 14.Ra2+=) 13.Nc3 Qa5 14.Qd2 Rac8 (14...Rfd8 15.Rb1+=) 15.Nb5 Bf3 16.Qa5 Na5 17.Bf3 Rc2 18.Na7 Rb2 19.a4 d4 (19...Nb3 20.Rd1+=) 20.0-0 de3 (20...d3 21.Rfb1 Rb1 22.Rb1+=) 21.fe3= Nb3 (21...Ra8 22.Nb5+=) 22.Rab1 Rb1 23.Rb1 Nc5 24.a5 (24.Nb5 Na4 25.Nd6 Rb8=) 24...Ra8 25.a6 Ra7 26.Bb7?? (better is 26.ab7 Nb7 27.Rb7 Rb7 28.Bb7=) 26...Kf8–+ (26...Na6?! 27.Ba6 Kf8 28.Bc4+=) 27.Rc1 (27.Bc8 Na6 28.Ra1 Ne4–+) 27...Nb7 28.ab7 Rb7 29.Kf2 Rb3 30.Rc8 (30.Rc4 Ke7–+) 30...Ke7 31.Rc4 Kd6 32.Ra4 Nd5 33.Re4 (33.Ra7 Ke6 34.Ra6 Kf5–+) 33...f5 34.Re8 Nf6 35.Rd8 Ke5 (35...Ke5 36.h3 Rb2 37.Kg1 Re2–+) 0–1. Norman – Pagni,Carlo Alberto, corr th, 1990.

6.Be5 Nbd7 7.Nf3 +=.

6.Qf3 Nbd7 7.Nc3 0-0 8.Bb5 Ne5 9.Qg3 Bd6 10.f4 Ng6 11.Nf3 a6 (11...Qb6 12.a4=+) 12.Bd3= Qc7 13.Bg6 fg6 14.0-0 Nh5 15.Qf2 Bd7 16.a4 b6 (16...b5 17.ab5 ab5 18.Nd4=) 17.Ba3+= Ba3 18.Ra3 b5 19.ab5 ab5 20.Ra8 Ra8 21.Rb1 Nf6 22.Ne5 Be8 23.Qh4 Rb8 24.Qh3 Bf7 25.Rb4 Qc5 26.Nd3 Qc6 27.Qh4 h6 28.Ne5 Be8?? 29.Nc6+– 1–0. b4_player (2050) – BAGIROV (1940), GameColony.com, 2002.

6.Nf3 Qa5 7.c4 dc4 8.Bc4 b5 9.Be2 Nbd7 10.0-0 b4 (10...0-0 11.Qc2=) 11.ab4 Qb4 12.Qc2 Bb7 13.Ba3 Qa5 14.d4 Be4 15.Bd3 Bd3 16.Qd3 Ba3 17.Na3 0-0 18.Nc4 Qc7 19.Rfc1 Rfc8 20.h3 Nb6 21.Nb6 (21.Nfe5 Qe7+=) 21...Qb6 (better is 21...Qc1!? 22.Rc1 Rc1 23.Kh2 ab6+=) 22.Rc8+= Rc8 23.Qa3 Rc7 24.Ne5 Nd5 25.Qa5 Rc1?? (25...Qa5 26.Ra5 Kf8 27.Kf1=) 26.Kh2 (better is 26.Rc1 g6 27.Rc8 Kg7 28.Qa4 Qb1 29.Kh2 Ne3 30.fe3+–) 26...Ra1 27.Qa1 a5 (27...a6!?=) 28.Qa4+/– Nc7? (better is 28...Qb4 29.Qd7 Qe7 30.Qc8 Qf8+/–) 29.Qd7+– (29.Qd7 h5 30.Qf7 Kh7 31.Qh5 Kg8 32.Qf7 Kh7 33.Nc4+–) 1–0. Fournier,Frederic – Jauneau,David, Train France (FRA), 1999.

6.Nf3 Ne4 7.d3 (7.Bg7 Rg8 8.Bb2 Nc6+=) 7...Nd6 (7...Nf6 8.Be5=) 8.Be2 (8.Bg7 Rg8 9.Be5 Nc6+/–) 8...f5 9.0-0 0-0 10.Nbd2 Nd7 11.Nb3 Bb6 12.c4 Nf6?? (better is 12...dc4 13.dc4 Ne4+=) 13.c5+– 1–0. Fournier,Frederic (1815) – jm3 (1675), rated blitz game (2/12), 2002.

6.f4 0-0 7.Nf3 Nbd7 8.Be2 a6 9.0-0 Qc7 0.Bd4 b5 11.Nc3 (11.a4 b4=) 11...Bb7 12.Bc5 Qc5 13.Nd4 Rac8 14.Qb1 g6 (14...Nb6 15.Qb4=) 15.Qb4 (15.a4 b4 16.Na2 Ne4+=) 15...Qb6 (15...Ne4 16.Ne4 de4 17.Qb2=) 16.a4 ba4 17.Qb6 Nb6 18.Rfb1 (18.Na4?! Na4 19.Ra4 Ne4=) 18...Nfd7 19.Rb6 Nb6 20.Rb1 Nc4 21.Bc4 Rc4 22.Rb7 a3 23.Rb3 a2 24.Ra3 Rb8 25.Ra2 Rb6 26.Ra5 Kg7 (26...f6 27.Kf2+–) 27.Kf2+– f6 28.Ke2 Kf7 (28...h5 29.f5! gf5 30.Na4+–) 29.g4 h6 (29...Rd6 30.Kd3 f5 31.g5+–) 30.Kd3 Ke7 (30...Rcb4+–) 31.f5 gf5 32.gf5 Kd6 (32...Rc3 33.dc3 e5+–) 33.fe6 h5 (33...Rc3 34.dc3 f5+–) 34.Rd5 Ke7 35.Kc4 1–0. Lejel – Adler, internet, 2019.

6.g3 Nc6 7.f3 0-0 8.Bg2 (8.d4 Be7-/+) 8...e5 9.d3? (better 9.Nc3!?-/+) 9...Be3-+ 10.Nc3? (10.Bc1 Bc5-+) 10...d4 (better 10...Bg1 11.Rg1 Qb6 12.Ne2 Qb2 13.Qb1 Qb1 14.Rb1-+) 11.Ne4 Ne4 12.fe4 f5 (12...Qa5!? 13.Ke2-+) 13.ef5 Qa5 14.Ke2? (14.c3 Bf5 15.Ne2-+) 14...Bf5 15.Bf3 (15.Nf3 e4 16.de4 Be4 17.c4-+) 15...Bg4!! 16.Bg4 (16.Qe1 e4! 17.Qa5 ef3 18.Kf1 Na5 19.h3-+) 16…Rf2 A classical mating theme 0-1. Delboy Smith (1680) - Knight32 (1735), ChessWorld.net, 2011.

6.g3 Be7 7.Nf3 Nc6 8.Bg2 0-0 9.Nd4 Bd7 10.0-0 a6 11.f4 b5 12.Nc6 Bc6 13.Bd4 Rc8 14.d3 Nd7 15.Nd2 Bf6 16.c3 e5 17.fe5 Be5 18.Nf3 f6 19.Nh4 Bd4 20.cd4 Nb6 21.Nf5 Bb7 22.Qg4 Rc7 23.Rac1 Bc8 24.Rc5 Rff7? 25.Nh6+– Kh8 26.Nf7 Rf7 27.Qf4 Na4 28.Rd5 Nc3 29.Rd8 (29...Rf8 30.Rf8) 1–0. Trkn – guest7265, ICC, 2004.

6.h3 a6 7.c3 Nc6 8.d4 Bd6 9.Bd3 e5 10.de5 Be5 (10...Ne5 11.Nf3-/+) 11.Qc2 Qe7 12.Ne2 (12.Nf3 Be6=+) 12...Bd7 13.Nd2 b5 (better 13...Rc8=+) 14.Ng3? (better 14.a4 Rc8 15.Qb1=) 14...Bg3-+ 15.fg3 Qe3 16.Kf1?? (16.Kd1 0-0 17.Nf3 Rfe8-+) 16...Qg3 (better 16...Nh5 17.Ne4 de4-+) 17.Re1 Be6 18.Bf5?! (18.Nf3-+) 18...0-0 19.Be6 (19.Bd3 Ne5 20.Be2 Rac8-+) 19...fe6 20.Nf3 (20.Ke2 Qg2 21.Kd1 Rad8-+) 20...Ne4 21.Re2 (21.Re3 Ne5 22.Qe2 Nc4-+) 21...Rf3 (21...Ne5 22.Re4 Nf3 23.gf3 Qf3 24.Kg1 Qf1 25.Kh2 Rf2 26.Kg3 Rf3 27.Kg4 Qh1 28.Re5 Qh3 29.Kg5 h6 30.Kg6 Rf6) 22.gf3 Qf3 (22...Rf8 23.Re3 Ne5 24.Qg2 Nd2 25.Qd2 Nf3 26.Rf3 Qf3 27.Kg1 Qf1 28.Kh2 Rf2 29.Kg3 Qg2 30.Kh4 Qe4 31.Kg3 Rd2 32.Rh2 Rd3 33.Kf2 Qf3 34.Ke1 Rd1) 23.Kg1 Ng3 24.Rg2 Rf8 25.h4 (25.Kh2 Nh1 26.c4-+) 25...Ne5 26.Rh3 Ng4 (26...Qf1 27.Kh2 Qh1 28.Kg3 Rf3) 27.Qb1 (27.Qh7 Kh7 28.Rhg3 Qd1) 27…Qe3 (27...Qe3 28.Rf2 Qf2) 0-1. Delboy Smith (1790) - Balabusca (1890), ChessWorld.net, 2012.

7.Nf3 0-0 8.Na4 Bd6 9.c4 e5 10.cd5 Nd5 11.Bb5 Nde7 12.Nc3 Bg4 13.h3 Bh5 14.g4 Bg6 15.Nh4 Rc8 16.Be2 Bb8 17.Ng6 Ng6 18.Ne4 Re8 19.h4 Nh4=+ 20.g5 Ng6 21.Bg4 Rc7 22.Qf3 Nd4?? 23.ed4+– ed4 24.Kd1 Rce7? 25.Bf5+/– Qa5 26.a4 Bf4 27.Bg6+– fg6 28.Qb3?? Kh8=+ 29.Qh3 h5 30.gh6 Re4 31.hg7 Kg7 32.Qd7 R4e7 33.Bd4 Be5 34.Qd6 Re6 35.Be5 Re5 36.Qd7 R8e7 37.Qc8 Rh5=+ 38.Rh5 Qh5 39.Kc2 Qe5 40.Qa8?? Qf5 41.Kc3?? Rd7 (42.Rh1 Qe5 43.Kc2 Qe4 44.d3 Qh1 45.Qa7 Qe1–+) 0–1. Wohlers Armas,Friederike (2110) – Heintze,Marion (2180), Mephisto (Women), 1990.

7.f4 d4 8.Na4 Bd6 9.ed4 Bf4 10.Nf3 0-0 11.Bd3 Qa5 (11...e5 12.de5 Ng4 13.g3 Be5 14.Ne5 Nce5 15.Be2–/+) 12.Nc5= Rd8 (12...e5 13.g3 Re8 14.0-0+=) 13.0-0 e5 14.Bc3 (better is 14.g3!? Bh6 15.Rb1+=) 14...Qc7–/+ 15.Ne5 Nd4 16.Rf4 Qe5 (16...Qc5?! 17.Kh1=) 17.Rf6 Qf6 (worse is 17...gf6 18.Nb3 Be6 19.Nd4 Rd4 20.Bd4 Qd4 21.Kh1+=) 18.Nb3 Qf4 (18...Qb6 19.Bd4 Rd4 20.Nd4 Qd4 21.Kh1=) 19.Nd4 (19.g3 Qe5 20.Qf1 Be6 21.Nd4 Rd4+–) 19...Rd4+= 20.Bd4 Qd4 21.Kh1 Bd7 (21...Be6 22.Qg1 Qf4 23.Qb1=) 22.Rb1 Bc6 (better is 22...b6=) 23.Rb4? (23.Qh5 g6 24.Qg5 Re8+=) 23...Qe5 (23...Qf2!? 24.Qf1 Qd2–/+) 24.Qe2 (24.Qf1 Qg5 25.Qf2 Re8+=) 24...Qa1 25.Qf1 Qa3 26.Rh4 h6 27.Bc4 Qe7 28.Rf4 Rf8 29.Qd3 Qe1 30.Rf1 Qe4 Do you see the mate threat? 31.Qe4 Be4 32.c3 Bg6 33.g3 Rd8 Black is in command 34.Rf2 Be4 35.Kg1–/+ Bd5 36.Bb5 a6–+ 37.Ba4 b5 38.Bd1 a5 39.Rf4 a4 40.Ba4 ba4 41.Ra4 Ra8 42.Ra8 Ba8 43.Kf2 Kf8 44.Ke3 Ke7 45.Kd4 Ke6 46.Kc5 f5 47.c4 g5 48.d4 f4 49.d5 Ke5 (49...Ke5 50.gf4 gf4–+) 0–1. Turza,Pavel – Slepanek,Jan, Brno CZE Open–B, 2007.

7.Nc3 Nc6 8.Nf3 a6 9.h3 dc4 10.Bc4 b5 11.Be2 e5 12.Rc1 Qb6 13.0-0 Bb7 14.Nh4 Rfe8 15.Qc2 Bf8 16.Bf3 e4?? (Better is 16...Rac8=+) 17.Ne4+– Ne5 18.Nf6 gf6 19.Bb7 Qb7 20.Qf5 Bg7 21.f4 Nc4 22.Bf6 Bf6 23.Qf6 Re6 24.Qg5 Kh8 25.f5 Rd6 26.Qf4 Rd2+= 27.f6 Rg8 28.Rf3 Qb6 29.Kh1 Rd3 30.e4 Rf3 31.Nf3 Rg6 32.e5 Qf2 33.g4 h5? 34.Rd1 Qc2 35.Rd8 Kh7?? 36.Qh6!! 1–0. Campos Calvo,Sotelo Juan – Rodriguez Calvo,Manoel, Vila de Padron op 1st, 2000.

7.d4 Be7 8.Nf3 dc4 9.Bc4 Qb6 10.Qe2+= Nc6 11.Nc3 Bd7 12.0-0 Rac8 13.d5?! (13.Rab1) 13...Na5 14.Ba2 (14.de6!? Nc4 15.ed7 Nd7 16.Nd5 Qe6 17.Ne7 Qe7 18.Rfd1+=) 14...ed5 15.Nd5 Nd5 16.Bd5 Be6 17.Bd4 Bc5 18.Rab1 Qc7 19.Be6 fe6 20.Rfc1 b6 21.Bc5 bc5 22.Nd2 Rf7 (22...c4!?) 23.Nc4 Rcf8 24.f3 g5?! 25.Rb5 Nb7 26.Qb2 h5 27.Qe5 Qc6 28.Rcb1 Rf5 29.Qb2 Nd6 30.Nd6 Qd6 31.Rb7 R5f7 32.Qc2 g4?? (32...e5 33.Rf7 Rf7 34.Rd1 Qc6 35.Rc1 Rc7? 36.Qf5+–) 33.Qg6 Kh8 34.Rf7 1–0. Kreuzer – Haller, Kirchheim 1995 (Kreuzer).

7.cd5 Qd5 8.Bf6 gf6 9.Qg4 Kh8 10.Nc3 Qg5 11.Qg5 fg5 12.Ne4 Be7 13.Bd3 f5 14.Ng3 Nc6 15.Nf3 Bd7 16.0-0 Rac8 17.Nd4 e5 18.Nc6 Rc6 19.Bb5 Rd6 20.Bd7 Rd7 21.e4 f4 22.Nf5 Bc5 23.Rfd1 Rfd8 24.a4 Rd2 25.Rdc1 Bf2 26.Kf1 Be3 27.Rc7 Rd1 28.Rd1 Rd1 29.Ke2 Rd8 30.g3 (time) 1–0. Nautiluschess – alpeck, ICS blitz, 2001.

7.Nf3 (--> 6.Nf3 0-0 7.c4).

7.Bc4 0-0 8.d4 Bb6 9.Nf3+= Nc6 10.Nc3 Bc7 11.Qb3 (11.0-0 Bd7+=) 11...a6 (11...Na5 12.Qa2=) 12.0-0 (12.Bd3!?=) 12...Na5=+ 13.Be2?? (better 13.Qa2=+) 13...Nb3-+ 14.Rab1 Nd2! 15.Rfd1 (15.Nd2 Bd7 Combination) 15...Nb1 16.Rb1 Qd6 (16...b5 17.Ne5-+) 17.Bd3 b5 18.a4 Bb7 19.ab5 Bf3 20.gf3 Qh2 21.Kf1 Qh1 (better 21...ab5 22.Ke2-+) 22.Ke2 Qh5 23.ba6 Ba5 (23...Rfb8 24.Bc1 Rb1 25.Nb1-+) 24.Na4 e5! 25.Nc5 (25.de5 Nd7 Decoy) 25...ed4 (25...e4 26.Ne4 Ne4 27.Be4-+) 26.Bd4 Ng4! 27.Be4 (27.fg4 Qg4 Combination) 27...Nh2 28.Kd3 Nf3 29.Bf3 Qf3 30.Kc4 Qf2 (30...Qe2 31.Nd3 Rfc8 32.Kd5 Rd8 33.Kc4 Qc2 34.Bc3 Rac8 35.Nc5 Qa2 36.Kb5 Rc5 37.Kc5 Qd5) 31.Kd5 Qa2 (31...Qf5 32.Kc4 Qb1 33.Be5 Rfd8 34.Bd6 Rd6 35.Nd3 Rd3 36.a7 Rc8) 32.Kc6 Qb1 33.Kd5 (33.Ne4 Qe4 34.Kb5 Rfb8 35.Ka5 Qd5 36.Bc5 Qc5 37.Ka4 Ra6) 33…Qb6 (33...Qb6 34.a7 Rfd8 35.Ke5 Qc6 36.Kf4 Bc7 37.Be5 Qf6 38.Kg3 Be5 39.Kg4 Qg6 40.Kh4 h5 41.Ne6 Qg4; 33...Rfd8 34.Kc4 Qc2 35.Kb5 Rab8 36.Ka5 Rd5 37.Bg7 Rc5) 0-1. Fettito – sigurdstout, lichess.org, 2018.

7.Bc4 c5 8.bc5 Bc5 9.d4 Bb6 10.Nbd2 Nc6 11.0-0 Nd5 12.Rb1 Qe7 13.Qe2 f6 (13...Bd7 14.Rfc1+=) 14.Bd3 Qf7 15.Rfc1 Qh5 16.Nc4 Bd7 (16...Bc7 17.Rc2+=) 17.h3 (17.Nb6 Nb6 18.Rc5 f5+/-) 17...Be8 (17...Bc7 18.Ncd2+=) 18.Nd6 Rb8 19.Bb5 Nde7 20.Qc4 Qd5 21.Qd5 ed5 22.Rc2?? (better 22.Ne8 Rfe8 23.Bc3+/-) 22...Bg6-+ 23.Rbc1 (23.Ba4-+) 23...Bc2 24.Rc2 Rfd8?? (24...Bc7 25.Nb7 Rb7 26.Bc6 Nc6 27.Rc6 Rc8-+ (27...Rb2?! 28.Rc7 Ra8 29.g4=+)) 25.Bc6?? (better 25.Nb7 Rb7 26.Bc6 Nc6 27.Rc6-/+) 25…bc6-+ (25...Nc6?! 26.Nb7 Nd4 27.ed4 Rb7 28.Bc1-+; 25...Rd6?! 26.Ba4-/+) 0-1. amirgloo (1915) - xsite (1920), lichess.org, 2020.

7.Bc4 Nc6 8.d4 Bd6 9.Nf3=.

7.Bc4 Nbd7 8.Nf3 (8.d4 Bd6=) 8...Nb6 9.Be2 0-0 10.0-0 Bd7 11.Nc3 Nfd5 (11...Bd6 12.d4=) 12.d4 Be7 13.e4 (13.Ne5 Rc8 14.Nd5 ed5=) 13...Nf4 14.Bb5 (14.Re1 Rc8=) 14...Bb5+= 15.Nb5 f5 16.g3 (better is 16.ef5!? Rf5 17.Bc1+=) 16...Nh3 (better is 16...fe4 17.Ne5 Nh3 18.Kg2 Ng5–/+) 17.Kh1?? (better is 17.Kg2 fe4 18.Ne5–/+) 17...fe4–+ 18.Ne5 Nf2 19.Rf2 Rf2 20.Qg4 Qd5 21.Nc7 Qb3 22.Na8 Qb2 23.Qe6 Kf8 (23...Kf8 24.Qa2 Rh2 25.Kg1 Qa2 26.Ra2 Ra2 (26...Na8 27.Rh2 Nb6 28.Rh7 Ba3 29.Rh4+=) 27.Nb6 ab6–+) 0–1. Rush,Bradley – Salzmann,Peter, CD.2004.0.00079, 2004.

7.cd5 ed5 8.Bb5 =+.

7.cd5 ed5 8.Nf3 0-0 9.Bb5 Bg4+=.

7.cd5 ed5 8.Nf3 0-0 9.Qc2 Bb6 (9...Bd6 10.Bb5=) 10.Bd3= Bg4 (10...Re8 11.0-0=) 11.Ng5 h7 becomes the focus of attention 11...h6 12.Nh7 Nh7 13.Bh7 Kh8 14.Bf5 Qg5 15.Bg4 Qg4 16.0-0 Rac8 (16...d4 17.Qa4+=) 17.Nc3= d4 18.Qe4 (18.Na4 Ba5=) 18...Qe4 (18...Qh5 19.Qd5 f5 20.Nb5+=) 19.Ne4= Rfd8 20.Rac1 Rc7 21.Ng3 (21.Rfd1 Rcd7 22.ed4 Nd4+=) 21...Rcd7 22.e4 Ne5 23.Ba1 Re8 24.Rfd1 (24.h3 Kg8=) 24...Nd3+= 25.Rc4 Ree7 (25...f6 26.Rb1=) 26.f3 Rc7 27.Rc7 Rc7 28.Nf5 Rc2 (28...Nf4 29.Kf2 Ne6 30.Rb1=) 29.Bd4 Bd4 (29...Nb2 30.Rb1 Bd4 31.Nd4 Rd2 32.h3=) 30.Nd4+= Ra2 31.Nb5 a6 32.Nd6 b5 33.Nf7 Kg8 34.Nd6 Ra3 35.Kf1 (35.g3 Kf8=) 35...Kf8 36.g3 g6 37.Ke2 Ke7 38.Nc8 ½–½. Pleschke,Helmut – Rus,Juan, IECG, 1999.

7.cd5 ed5 8.Nf3 0-0 9.Be2 Bf5 10.0-0 d4 11.Bb5? (11.Qb3-/+) 11...d3?? (11...Qb6 12.a4 a6 13.ed4 Be7-+ (13...ab5?! 14.dc5 Qc5 15.ab5 Ra1 16.Ba1 Qb5 17.Bf6 gf6 18.Nc3=; 13...Bd4?! 14.a5 Qc5 15.Nd4 Nd4 16.Bd4 Qd4 17.Qa4-+; 13...Nd4?! 14.a5 Nf3 15.Qf3 Qb5 16.Bf6-/+)) 12.Bc6= bc6 13.Qa4 Rb8 14.Bd4 Bb6 15.Qc6 Be4 16.Bf6 Bc6 17.Bd8 Rbd8 18.Nc3 Ba5 19.Rfc1 Rb8 20.Nd4 Bd7 21.Ra2 (better 21.Ne4!?+/-) 21...Rfc8= 22.f4 f6 23.Kf2 Be8 24.g4 Bf7 25.Raa1 Rb2 26.Ke1 Rc3 27.Rc3 Bc3 28.dc3 Rh2 29.Rd1 Bc4 30.Rd2 Rh1 31.Kf2 Ra1 32.e4 Ra3 33.e5 Rc3 34.e6 Kf8 35.Ke3 a5 36.Rb2?? (36.Rd1 d2! 37.Kd2 Rd3 38.Kc2 Rd1 39.Kd1-+) 36...d2! 37.Kd2 Rd3 38.Kc2 Rd4 39.f5 Rg4 40.Rb8 Ke7 41.Rb7 Kd6 42.Kc3 Be6! 43.fe6 (43.Rb6 Kc5 44.Re6 h5-+) 43...Ke6 44.Rb6 Kf5 45.Rb5 Kg6 46.Ra5 f5 (46...h5!? 47.Kd2-+) 47.Kd3 (47.Ra6 Kg5 48.Ra7 Kf4 49.Ra4 Kg3-+) 47...Kg5 (better 47...h5 48.Ra7-+) 48.Ke3 (48.Ra7 Kf4 49.Ke2-+) 48...g6 49.Kf3 h6 (better 49...h5 50.Ke3-+) 50.Ra6 (50.Ra8 h5-+) 50...h5 51.Rb6 (51.Ke3 h4 52.Ra2 Rg3 53.Kd4 h3-+) 51...h4 52.Rb2 (52.Kf2 Rg3 53.Rb8-+) 52...Rg3 53.Kf2 Kg4 54.Rb4 f4 55.Rb6 g5 56.Rh6 h3 57.Rh8 Rg2 58.Kf1 (58.Ke1 f3 59.Rh7 h2 60.Rh8 Kg3 61.Kd1 g4 62.Kc1 f2 63.Rh3 gh3 64.Kc2 f1Q 65.Kc3 h1Q 66.Kd4 Rd2 67.Kc5 Qb1 68.Kc4 Qc6) 58...Kg3 Black plans h2 59.Rh5 (59.Ke1 g4 60.Rh7 f3 61.Kf1 Ra2 62.Ke1 Kg2 63.Kd1 f2 64.Rf7 h2 65.Rf2 Rf2 66.Ke1 h1Q) 59...g4 60.Ke1 (60.Rg5 f3 61.Ke1 h2 62.Rh5 Ra2 63.Rh6 Kg2 64.Rh2 Kh2 65.Kf1 g3 66.Ke1 g2 67.Kd1 g1Q) 60...f3 61.Kf1 (61.Kd1 f2 62.Kd2 f1Q 63.Kc3 Qc1 64.Kd4 Rd2 65.Ke4 Qc6 66.Ke3 Rd1 67.Rh3 gh3 68.Ke2 Qf3) 61...f2 62.Ke2 (62.Rf5 Rg1 63.Ke2 h2 64.Rc5 f1Q 65.Ke3 h1Q 66.Kd4 Qf4 67.Kc3 Qhf3 68.Kb2 Qa4 69.Rc3 Qa1 70.Kb3 Qfc3) 62...h2 63.Kf1 (63.Ke3 f1Q 64.Kd4 Rd2 65.Kc5 Qc1 66.Kb6 h1Q 67.Rh1 Rb2 68.Ka5 Qh1 69.Ka4 Qa8) 63...Rg1 64.Ke2 f1Q 65.Ke3 Qe1 66.Kd4 (66.Kd3 Qb4 67.Rh8 Rd1 68.Kc2 Rd2 69.Kc1 Qb2) 66...Qd2 67.Ke5 (67.Kc5 Rc1 68.Kb6 Qb4 69.Rb5 Qd6 70.Ka7 Qc7 71.Ka6 Ra1 72.Ra5 Ra5) 67...Re1 68.Kf5 (68.Kf6 Qd6 69.Kg7 Re7 70.Kg8 Qd8) 68...Qd5 Black prepares the advance h1 (68...Qd7 69.Kf6 Re6 70.Kg5 Qd5) 69.Kg6 Qh5! 70.Kh5 (70.Kh5 Re6 Mate attack) 70...h1Q (70...Re6 71.Kg5 h1Q 72.Kf5 Qd5) 71.Kg5 (71.Kg6 Qc6 72.Kf7 Qd7 73.Kg6 Re6 74.Kg5 Qd5) 71...Re5 (71...Re6 72.Kf5 Qd5) 72.Kf6 (72.Kg6 Qh5 73.Kf6 Qg5 74.Kf7 Re7 75.Kf8 Qg7) 72...Qh5 73.Kg7 Rg5 (73...Rf5 74.Kg8 Qf7 75.Kh8 Rh5) 74.Kf6 Qh6 75.Kf7 Rg7 76.Kf8 (76.Ke8 Qh8) 76…Qh8 0-1. carlos78 (2195) - Sonata2 (2110), Rated Blitz game, lichess.org, 2015.

7.Nd2 0-0 8.Nb3 Bd6 9.h3 a5 (9...e5 10.d4-/+) 10.Ne2 Qb6 (10...e5 11.d4=+) 11.Rb1 (11.Bf6 gf6 12.Nc3 Kh8+=) 11...a4 12.Nbd4 (12.Bf6 gf6 13.Nd2 Qa5=+) 12...Qa5 (better 12...e5 13.Bc3 Qd8=+) 13.Nc3?? (13.Bc3 Qd8 14.Nb5 Be7=+) 13...e5?? (better 13...Nd4 14.ed4 Ba3-+) 14.Nc6-/+ bc6 15.g4?? (better 15.Qd2-/+) 15...d4 (15...Ba3 16.Qd2 Bb4 17.Ba1-+) 16.ed4 (16.Qd2 dc3 17.Qc3 Qc3 18.Bc3 Nd5-+ (worse 18...Ba3 19.Be5 Be7 20.Bg2-+)) 16...ed4 17.g5 (17.Bg2 Re8 18.Kf1 dc3 19.Bc1-+) 17...Nd5 18.Bg2 Nc3 19.Bc3 Qc3 (19...Re8 20.Kf1 Qc3 21.Rb6-+) 20.Kf1 (20.Qd2 Qa3 21.Bc6 Ra6-+) 20...Ba3 21.Bc6 (21.Rb6 Bd7 22.Rb7-+) 21...Qc6 22.h4 (22.f3-+) 22...Qh1 23.Ke2 Qd1 (23...Re8 24.Kd2 Qh4 25.Qf3 Qg5 26.Qe3 de3 27.fe3 Qe3 28.Kc3 Be6 29.Rb7 Rec8 30.Rc7 Rc7) 24.Rd1 Bg4 (better 24...Bb2 25.Kf3-+) 25.f3 Rfe8 26.Kf2 Bh5 27.f4 Bd1 (27...Bd1 28.Kf1 Rab8 29.h5 Bh5 30.Kg2 Re2 31.Kh3 Rbe8 32.g6 R8e3 33.Kh4 Rh2 34.Kg5 h6 35.Kf5 fg6) 0-1. adabriwala (1615) - rakesh112 (1735), lichess.org, 2019.

7.g3 Bd7 (7...0-0 8.Nf3-/+) 8.Bg2 Qb6 (8...0-0 9.Nf3=+) 9.Qc1 (9.Bf6 gf6 10.Nd2 Qa5=+) 9...Rc8 (9...d4 10.ed4 Nd4 11.Nd2-/+) 10.d4 (better 10.Bf6!? gf6 11.Nd2=+) 10...Bd6 11.f3 Na5 12.Nd2 (12.Bc3 Nc4-/+) 12...Nc4 (12...Qc7!? 13.Ne2 Qc2 14.Qc2 Rc2 15.Rb1-+) 13.Nc4-/+ Rc4 14.Ne2 0-0 15.0-0 Rfc8 16.c3 Qb3 (16...R8c7 17.Rb1-/+) 17.Qd2 Bb5 18.Rfb1 (18.e4 Be7=+) 18...Qa4-/+ 19.h4 (19.e4 Be7-/+) 19...Nd7 (19...R4c6 20.g4-+) 20.g4 (20.e4!?-/+) 20...Nb6-+ 21.f4 Qa6 (21...R4c7 22.Ng3-+) 22.Bf1 (22.e4 R4c7 23.Re1 Nc4-+) 22...R4c7 23.Ng3 Bf1 24.Nf1 Nc4 25.Qd3 Nb2 (better 25...Be7!?-+) 26.Qa6-/+ ba6 27.Rb2 Rc3 28.a4 a5 29.Kf2 Bb4 30.Rbb1 Rc2 Black gets strong initiative 31.Kf3 g6 32.Ng3 Rh2 33.h5 Rcc2 Threatening mate: Rhf2 34.Rf1 gh5 35.gh5 Bf8 36.e4?? (better 36.Rab1 Ra2 37.Rb5=+) 36...Rc3-+ 37.Kg4 Rg2 (better 37...Be7 38.Rh1 Rg2-+) 38.Rf3 f5 39.ef5 ef5 40.Kh3 Rf3 Threatening mate... how? 41.Kg2 Rf4 42.Rb1 (42.Ne2 Re4 43.Kf3 Kf7-/+) 42...Rg4 (42...Rd4 43.Nf5 Ra4 44.Rd1-+) 43.Kh3 (43.Kf3!? Bd6 44.Ne2-/+) 43...Rd4-+ 44.Nf5 Rf4 45.Ng3 Bc5 (better 45...Ra4!? 46.Rb5 d4 47.Rd5-+) 46.Rb5 Bf2 (46...Rc4!?-+) 47.Rd5-/+ Ra4 48.Rg5 Kh8 49.Rf5 (49.Nf5 Rf4 50.Ne7 Rf3 51.Kg2 Rf8 52.Ra5 Bb6-/+) 49...Be1 50.Ne2 (50.Re5 Bg3 51.Kg3 Kg7-/+) 50...Rh4 (50...Re4 51.Ng1-+) 51.Kg2 a4 52.Rf1 (52.Rf8 Kg7 53.Rf1 Bd2-+) 52...Bb4 53.Rf7 (53.Ng3 a3-+) 53...Bc5 (53...Rh5!? 54.Ra7 a3 55.Kf3-+) 54.Rf5 Bb6 (54...Rc4 55.Rf1-+) 55.Kg3 Rb4 56.h6 Do you see the mate threat? 56...Kg8 57.Rg5 (57.Nc3 Rb3 58.Rf3 a3-+) 57...Kf7 (57...Kf8 58.Nc3-+) 58.Rg7 Kf6 59.Nf4 Rb3 (better 59...Kf5!? 60.Rf7 Kg5 61.Ne6 Kh6 62.Nf8-+) 60.Kg4 Rb4?? (60...a3 61.Nd5 Ke6 62.Nb6 Rb4 63.Kf3-+) 61.Kf3?? (61.Kg3 Kf5 62.Rf7 Kg5 63.Ne6 Kh6 64.Rf6 Kh5-+) 61...Rb3?? (61...Kf5 62.Nd5 Rb3 63.Ke2-+) 62.Ke2?? (better 62.Kg4=) 62...a3-+ 63.Nd5 Ke5 64.Nb6 ab6 65.Rh7 (65.Ra7 Kf6 66.Rh7 a2-+) 65...a2 66.Ra7 Rb2 (better 66...Rh3 67.Ra8 Rh6-+) 67.Kd3-/+ Rh2 68.Kc3 Kf6 (68...Kd5 69.Kb3-/+) 69.h7=+ Rh7 Threatening mate: Rxa7 70.Ra2 Ke6 (70...Rc7 71.Kb4=) 71.Rb2 (71.Ra6 Rb7=) 71...Rb7 (71...Rc7!? 72.Kb4 Rc5-/+) 72.Kc4 Kd6 73.Kb5 Kc7 74.Rc2 Kb8 75.Ka6 b5 76.Ka5 Ka7 77.Rb2 Attacking the isolated pawn on b5 77...Rb6 78.Rb5 Rb5 79.Kb5 ½-½. Delboy Smith (1765) - uniquegambit (1750), ChessWorld.net, 2014.

7.h3 0-0 8.g4 (8.Nf3 Bd6=+) 8...e5-/+ 9.Bg2 h6 (9...Qb6 10.Bc1 Be6 11.g5-/+) 10.c3 (10.Nd2 d4-/+) 10...d4 11.Bc6 (11.ed4 ed4 12.Ne2 Qb6-/+) 11...bc6 (11...de3 12.fe3 bc6 13.d4-/+) 12.Qd2 (12.cd4 ed4 13.Qc2 Qb6 14.ed4 Bd4 15.Bd4 Qd4-/+) 12...Bb6 (12...de3 13.fe3 Rb8-+) 13.a4? (13.Nf3 de3 14.fe3 e4 15.de4 Ne4 16.Qd8 Rd8-+ (worse 16...Bd8 17.Nbd2 Re8 18.Ne4 Re4 19.Kf2=+)) 13...Ba5 (13...de3 14.fe3 Nd5 15.Nf3 Be3 16.Qc2-+) 14.e4 Ba6 15.Ra3 (15.g5 hg5 16.Ne2 Bd3-+) 15...Rb8 16.Qc2 (16.g5 hg5 17.Ne2 dc3 18.Nbc3 Qd3 19.Qd3 Bd3 20.Bc1 Ne4 21.f3 Nc3 22.Nc3-+) 16...dc3 17.Bc3 (17.Nc3 Qd3 18.Qd3 Bd3 19.Bc1 Ne4 20.Nge2 Be2 21.Ke2 Nc3 22.Kd3 Rfd8 23.Kc2-+) 17…Bd3 (17...Bd3 18.Qd1 Rb1 19.Qb1 Bb1-+) 0-1. Delboy Smith (1670) - Cesardg (2045), ChessWorld.net, 2010.

7.c3 0-0 8.a4 Nc6 9.Ba3 Re8 10.c4 (better 10.Nf3!?=+) 10...Ba5 11.Nd2 Ne4 12.Bc1 e5 13.de5 (13.Ra3-+) 13...Bf5 (better 13...Ne5!? 14.cd5 Nf2 15.Kf2 Ng4 16.Ke1-+) 14.Ngf3 (14.cd5 Nb4 (14...Ne5?! 15.Bb5 Nf2 16.Kf2 Ng4 17.Ke1 Ne3 18.Be8 Nd1 19.Bf7 Kf7 20.Kd1-+) 15.Bb5 Re5-+) 14...d4 15.ed4?? (better 15.Be2-+) 15...Nd4 16.Nd4 (16.Ra3 Nd2 17.Bd2 Nc2 18.Ke2 Na3 19.Bg5-+) 16...Qd4 17.Qe2 Qa1 (17...Nd2 18.Kd1 Bc2 19.Kc2 Qc3 20.Kd1 Qb3 21.Ke1 Nf3) 18.Qd1 Re5 (18...Re5 19.f3 Nd2 20.Be2 Re2 21.Qe2 Ne4 22.Kd1 Nf2 23.Qf2 Qa4 24.Ke2 Qc4 25.Kd1 Qb3 26.Qc2 Qc2) 0-1. Delboy Smith (1800) - jack4lin (1865), ChessWorld.net, 2011.

7.c4= Ne4 8.Nf3 (8.Nc3 Ba5 9.Qc2 Qc7+=) 8...0-0 (better is 8...Ba5!? 9.Nbd2 Qf6–/+) 9.Bd3= Ba5 10.Nbd2 f5 11.0-0 Kh8 (11...Nc6 12.Rc1=) 12.cd5 ed5 13.Nb3 Bc7 (13...Bb6 14.Ne5 Nd7 15.Qe2+=) 14.Ne5+/– Nd7 (14...Nc6 15.f3 Nf6 16.Rc1+/–) 15.f4 (15.Rc1!?+–) 15...Ndf6 16.Be4 (16.Rc1 Be6+=) 16...de4+= 17.Rc1 Bd7 (17...Nd5 18.Qe2=) 18.Nc5+= Bc8 19.Qb3 Qe7 (19...Qd5 20.Qc2+=) 20.Ncd7 (20.d5!? Bb6 21.Bd4+=) 20...Be5+= 21.Nf8 Bd6 22.Rc8 Rc8 23.Ne6 h6 (23...b5!?=) 24.d5+/– Kh7 (24...b6 25.Qa4+/–) 25.a4 (25.Bf6 Qf6 26.Qb7 Rc3 27.Qa7 Ra3+=) 25...b6+= 26.Rc1?? (better is 26.Bd4+=) 26...Rc1–/+ 27.Bc1 Bc5 (27...Qb7 28.Nd4–/+) 28.Qc4 (28.Bb2 Ng4 29.g3 Be3 30.Kh1 Bf2=) 28...Ng4 (28...Kg6!?+=) 29.Nc5= Qh4 30.Qa2?? (better is 30.Ne4 fe4 31.Qe4 Kh8 32.Qe8 Kh7 33.Qe4 Kh8 34.Qe8 Kh7 35.Qe4=) 30…Qe1# (30...bc5?! 31.g3 Qh5 32.Qe2=) 0–1. Livesey,R Nigel (1895) – Hegarty,Sarah (2100), Gallipoli ITA, 3rd Salento Open, 2014.

7.Nf3 Nc6 8.Bb5 Bd7 9.0-0 0-0 10.Nc3 Bc7 11.a4 Ne4 (11...Ba5 12.Ne2=) 12.Ne4 de4 13.Nd2 f5 14.c4 (14.Rb1 Qh4 15.f4 Rfd8=) 14...Ne7 (14...a6 15.Bc6 Bc6 16.f4=+) 15.Bd7 Qd7 16.Nb3 b6 17.a5 Ng6 (17...Qd6 18.g3=) 18.ab6 ab6 19.Ra8 (19.Qh5 f4+=) 19...Ra8= 20.c5 (20.Nd2 b5=) 20...Qc8 (20...Qb5!? 21.cb6 Qb6=+) 21.cb6 Bb6 22.Qc1 Ne7 23.Qc8 Rc8 24.Rc1 Rc1 25.Nc1 Nd5 (26.Nb3 Kf7=) =. kamera – neville (1715), GameColony.com, 2002.

7.c4 Nc6 8.d4 Be7 9.Nbd2 0-0 10.Bd3 Bd7 (10...dc4 11.Nc4 b5 12.Nce5=) 11.0-0 Rc8 12.Qe2 dc4 13.Nc4 Nd5 14.Rad1 b5 15.Ncd2 h6 16.g3 Re8 17.e4 Nf6 18.h4 Qb6 19.e5 Nd5 20.Qe4 g6 (better 20...f5!? 21.ef6 Nf6= (worse 21...Bf6 22.g4+/-)) 21.h5+/- Rf8 22.hg6 f5 23.ef6! Nf6 (23...Nf6 24.Qh4 Combination; 23...Bf6 24.g7 Passed pawn; 23...Rf6 24.g7 Passed pawn) 24.Qh4 Kg7 25.Ne4 Ne4 26.Qe4 Bf6 27.Ne5 (27.Bc1 Rh8+/-) 27...Be5 (better 27...Ne5!? 28.de5 Be7+/-) 28.de5+- Ne7 29.Qh4 Bc6?? (better 29...Qd8+-) 30.Qf6 Rf6 31.ef6 Kg8 32.fe7 Be8? (better 32...Re8!? 33.Rfe1 Bf3+=) 33.Bf6 Rc5?? (33...Qc6 34.Bb1 Qf3+-) 34.Bd4 (34.Be4 e5 35.Rd8 Qf6 36.Re8 Kg7 37.Rg8 Kg8 38.e8Q Kg7 39.Qd7 Kf8+-) 34...Qc6? (34...e5 35.Bc5 Qc5 36.Be4 Qe7 37.Rd3+=) 35.Bc5 (better 35.Rfe1!? a5 36.a4+- (worse 36.Bc5 Qc5 37.Re6 Kg7+-)) 35...Qc5+/- 36.Rfe1 (36.Rc1 Qe7 37.Rc8 Kg7+/-) 36...Qe7 37.Bf5! The isolani on e6 becomes a target 37...Bd7?? (37...ef5 38.Re7 Pinning (38.Re7 Deflection)) 38.Rd7! Qg5 (38...Qd7 39.Be6 Double attack (39.Be6 Decoy)) 39.Be6 Kf8 40.g7 (40.Rf7 Ke8 41.Bh3 Qe3 42.Re3 Kd8 43.Rd7 Kc8 44.Re8) 40...Qg7+- 41.Rg7 Kg7 42.Bc8 a5 43.Ba6 b4 44.ab4 ab4 45.Rb1 b3 46.Rb3 h5 47.Rb5 Kg6 48.Rh5! Kh5 49.Kg2 Kg4 50.f3 Kf5 51.Kf2 Kf6 52.Ke3 Ke5 Black threatens to counter with f4+ 53.g4 Kf6 54.f4 Kg6 55.Ke4 White plans f5 55...Kf7 56.g5 Kg7 57.Bd3 Kg6 58.f5 Kg7 (58...Kg5 59.Ke5 Kg4 60.f6 Kg3 61.f7 Kf2 62.f8Q Ke3 63.Bc4 Kd2 64.Qf2 Kc3 65.Kd5 Kb4 66.Qb2 Ka4 67.Qb3 Ka5 68.Qb5) ½-½. jhonores (2150) - Gamarra (2140), Rated Blitz game, lichess.org, 2020.

7.d4 Bd6 8.c4 dc4 9.Bc4 b5 10.Bd3 Bb7 (10...0-0 11.e4 Be7 12.Qc2=) 11.a4 Nbd7 (11...b4!?=) 12.ab5+= ab5 13.Nbd2 (13.Ra8!? Qa8 14.Bb5 Bf3 15.Qf3+=) 13...Ra1= 14.Qa1 0-0 (14...b4 15.e4 Bf4 16.Qa4=) 15.Bb5+= Qb6 16.Bd7 (16.Bd3 Ra8 17.Qc1 Ba6 18.Ba6 Qa6=) 16...Nd7= 17.0-0 Ra8 18.Qb1 Bf3 19.gf3 Qb4 (19...Qc7 20.Rc1 Qa5 21.Ne4+=) 20.Ne4 Rb8 (20...Qb8 21.f4+=) 21.Rc1+= Bf8 22.Rc2 Qa5 23.Kg2 (23.Qf1+=) 23...Ba3 (better is 23...Qf5!?=) 24.Ba3+/– Qa3 25.Qb8 Nb8 26.Rc8 Qf8 27.Rf8 Kf8 28.f4 Ke7 29.Kf3 Nd7 30.Ke2 h6 31.Kd2 Nb6 32.Nc5 Nd5 33.Nd3 Nc7 34.e4 Kd6 35.Nc5 Nb5 36.Kd3 g5 37.e5 Kd5 38.fg5 hg5 39.Ne4 Nd4 40.Ng5 Ke5 41.Nf7 Kd5 42.h4 e5 43.h5 Ke6 44.Ng5 Kf6 45.h6 Nc6? 46.h7 Kg7 47.Ke3 (better is 47.Ke4+–). Schulz,Hans_Juergen – Nittschalk,Karl, TT–18.17 ETC, 2005.

7.Be2 0-0=.

7.c4 b6 8.cd5 ed5 9.Nc3 Bb7 10.d4 0-0 11.Bd3 Re8 12.0-0 Nbd7 13.Rc1 Nf8 14.Nb5 Ba6?? (better is 14...Bb8+=) 15.Nd6+– Bd3 16.Ne8 (16.Qd3?! Qd6 17.Ne5 N8d7+=) 16...Bf1 17.Nf6 (17.Qf1?! Qe8 18.Qa6 Qe7+=) 17...Qf6 18.Kf1 Ng6 19.Qc2 h5 (19...Qe7 20.Qc7+–) 20.Ne5 Ne5 21.de5 Qe6 22.Qc6 g6 (22...Rf8+–) 23.Qa8 (23.Qa8 Kh7 24.Qf8+–) 1–0. Fournier,Frederic (1735) – Libov, Active, 2006.

7.d3 0-0 8.Nbd2 Nc6 9.c4 a6 10.Be2 b6 11.0-0 Bb7 12.Rb1 Qe7 13.cd5 Nd5 14.Qb3 Na5 15.Qa2 Rfc8 16.Rfc1 b5 17.h3 h6 18.Ne4 Rc1 19.Rc1 Rc8 20.Rc8 Bc8 21.Nd6 Qd6 22.Nd4 Bb7 23.Bf3 Ne7 24.Bb7 Nb7 25.Qb3 Nc5 26.Qc2 Na4 27.f4 Nb2 28.Qb2 Nd5 29.Kf2 g5 30.g3 Qc5 31.Kf3 b4 32.ab4 Nb4 33.Qb3 Qd5 34.Qd5 Nd5 35.e4 Nb4 36.Ke3 Kf8 37.Kd2 a5 38.Kc3 Na6 39.Nc6 a4 40.d4 Ke8 41.Nb4 Nc7 42.Nd3 a3 43.Kb3 Nb5 44.d5 ed5 45.ed5 Nd4 46.Ka3 gf4 47.Nf4 Ke7 48.Kb4 Kd6 49.Kc4 Nc2 50.Kd3 Nb4 51.Ke4 f5 52.Kf5 Nd5 53.Nd5 Kd5 54.Kg6 Normal 1-0. Cofi7 (2335) - luis_alfredop (2190), Rated Blitz game, lichess.org, 2015.

7.Be2 h6 8.0-0 b6 9.c4 dc4 10.Bc4 Bb7 11.d4 Ng4 12.h3 Bf3?? 13.Qf3+– Nh2 14.Qa8 Nf1 15.Kf1 0-0 16.Nd2 Qf6 17.Qf3 Qg6 18.e4 Nd7 19.Rc1 e5 20.d5 Nf6 21.Bd3 Nh5 22.Rc6 Rd8 23.Qf5 Qf5 24.ef5 Nf4 25.Be4 Nd3 26.Bd3 (26...Bc5 27.Be5 Rd5 28.Rc8 Bf8 29.Bc3 Rd3 30.Bb4+–) 1–0. Lugnut – zymbo, caissa.com, 2007.

7.c4 0-0 (--> 6.Nf3 0-0 7.c4 Be7).

7.Be2 0-0 8.0-0 a6 9.d4 b5 10.a4 ba4 11.Ra4 Qb6 (better 11...Qc7=) 12.Ra1?? (12.Ba3 Ba3 13.Ra3= (worse 13.Na3 Bd7 14.c4 Ne4-/+)) 12...Qb2-+ 13.Nbd2 Qb7 (13...Qc3 14.Qb1-+) 14.c4 Nbd7 15.c5 Nb8 16.Qc2 Nc6 17.Rfc1 Qc7 18.Qa4 Bd7 19.Qd1 a5 20.Nb3 Rfb8 21.Nbd2 Ne4 (21...Rb2!? 22.Rcb1 Rb1 23.Qb1-+) 22.Ne4 de4 23.Nd2 f5 24.Nc4 Nb4 25.Ne5 (25.Nb6 Rb6 26.cb6 Qb6-+) 25...Be8 26.Nc4 (26.Ra3 Nc6 27.Nc4 Ra7-+) 26...Nd5 27.Ne5 (27.Bh5 Bc6-+) 27...Ra7 28.Rcb1 (28.Bh5 Bf6 29.Nc4 Bc6-+) 28...Rb1 29.Rb1 a4 (better 29...Nc3!? 30.Qb3 Ne2 31.Kf1-+) 30.Ra1 a3 31.Qb3 (31.Qc1 Qa5-+) 31...Qa5 (31...Bc5 32.dc5 Qe5 33.Ra3 Ra3 34.Qa3-+) 32.c6? (better 32.Bc4-+) 32...Nc3 (32...Qc7 33.Bc4 Ra5-+ (33...Bc6?! 34.Nc6 Rb7 35.Ne7 Qe7 36.Qa3=)) 33.Bf1?? (33.Qe6 Kf8 34.Bc4 Bb4+/-) 33...Bf7?? (better 33...g6 34.Qe6 Kg7-+) 34.Nd7?? (34.Qb8!? Bd8 35.Ra3 Qa3 36.Qd8 Qf8 37.c7+=) 34...Qd8 (34...Bd6 35.Ne5-+) 35.Ne5?? (better 35.Qc3 Qc7 36.Ne5=) 35...Nd5-+ 36.Ra3 (36.Bc4-+) 36...Ra3 37.Qa3 (37.Qb7-+) 37...Ba3 38.c7 Qc7 39.h3 Qd6 (39...Qc1 40.g4 Ne3 41.fe3 Qe3 42.Kg2 Qd4 43.Nd7 Qd2 44.Kg1 e3 45.Nf6 gf6 46.Be2 Qe1 47.Kg2 Qf2 48.Kh1 Bd6 49.gf5 Qh2) 40.g4 Be8 (40...f4!? 41.Nc4 Qb4 42.ef4 Nf4 43.Na3-+) 41.gf5 ef5 42.Bg2 Qc7 (better 42...Bc1 43.Kh1-+) 43.Kh2 Bd6 44.Kg1 Be5 45.de5 (45.h4 Qc1 46.Bf1 Bb5 47.de5 Qf1 48.Kh2 Qf2 49.Kh1 Ne3 50.e6 Qg2) 45...Qe5 (45...Qc1 46.Bf1 Bb5 47.Kg2 Qf1 48.Kg3 Qg1 49.Kh4 Qf2 50.Kg5 Qg3 51.Kf5 Qg6) 46.f4 (46.h4 Qa1 47.Kh2 Nf6 48.Bh3 Qe1 49.Kg2 Bb5 50.Kg3 Nh5 51.Kg2 Bf1 52.Kg1 Bh3 53.Kh2 Qf2 54.Kh3 Qg3) 46...Nc3 (46...ef3 47.Bf3 Qg3 48.Kh1 Qf3 49.Kh2 Ne3 50.Kg1 Qg2) 47.fe5-+ Ne2 (better 47...Nd1!? 48.Bf1-+) 48.Kf2 Nc3 49.Kg3?? (49.Kg1 Nd1 50.Bf1-+) 49...Nb5 (better 49...Kf7 50.h4-+) 50.Kf4 Nc7 (50...g6 51.e6-+) 51.Kf5 Bd7 (better 51...Bg6 52.Kg5 Kf7 53.Bf1-+) 52.Ke4 (52.Kf4-+) 52...Bc6 53.Kf4 Bg2 54.e4 (54.Kg3 Bc6 55.Kf4-+) 54...Be4! 55.e6 (55.Ke4 Kf7 Combination) 55...Ne6 (better 55...Bg2!? 56.Kg3 Bd5 57.e7-+) 56.Ke5 (56.Ke4 Ng5 57.Kf4 Nh3 58.Kg4 Nf2 59.Kf4 Nd3 60.Ke4 Nc5 61.Kf5 g6 62.Kf6 h5-+) 56...Nf8 (56...Bg2 57.Ke6 Bh3 58.Kd5 Bg2 59.Kd4-+) 57.Ke4 g6 58.Kf4 Kg7 0-1. versulinho (2115) - ClayPigeons (2080), Rated Bullet game, lichess.org, 2020.

7.Qb3 0-0 8.Nf3 (8.ed4 Bd4 9.Bd4 Qd4+=) 8...de3 (8...Nc6!?+=) 9.fe3= b6 (9...Bd6 10.d4=) 10.Bd3 (10.Bf6 Qf6 11.d4 Bd6=) 10...Nbd7 (10...Bb7 11.0-0=) 11.Qc2 (11.Bc2 Bd6=) 11...h6 (11...Bb7 12.0-0=) 12.0-0= Bb7 13.Ne5 (13.Be2 Rc8=) 13...Be7 (13...Bd6 14.Nd7 Nd7 15.Bh7 Kh8 16.g3+=) 14.h3 (14.Nd7 Qd7 15.Be2 Rad8+=) 14...Nc5 (14...Rc8 15.Be2+=) 15.Bd4 (15.Be2 Bd6+=) 15...Nd3 16.Nd3? (better is 16.Qd3 Nd7 17.Nd7 Qd7 18.Qe2+=) 16...Be4–+ 17.Nc3 Bd3 18.Qd3 e5! 19.Qf5 (19.Be5 A pinning theme 19...Qd3) 19...ed4 20.Nb5 (20.Nd5 Nd5 21.cd5 de3 22.de3 Bc5–+) 20...Bc5 (20...de3 21.de3 Bc5 22.Rad1–+) 21.Qf4 (21.Rfe1 Re8 22.Rad1 de3 23.de3 Qe7–+) 21...de3 (21...Re8 22.Nd4 Re4 23.Qg3 Bd4 24.ed4 Rd4 25.Rf3–+) 22.de3 (22.d4 a6 23.dc5 ab5 24.Qe3 bc4–+) 22...Re8 23.Kh1 (23.Rae1 Re4 24.Qf3 a6–+) 23...Be3 (23...Re3 24.Rad1 Qe7 25.Nc7–+) 24.Qg3 (24.Qf3 Bc5–+) 24...Rc8 (24...a6 25.Rfd1 Qb8 26.Qb8 Rab8 27.Nc7–+) 25.Nd6 (25.Rad1 Nh5 26.Qf3–+) 25...Qc7 (better is 25...Ne4 26.Ne4 Re4–+) 26.Rf6= White is in command 26...Bd4 27.Rf7 Qf7 28.Nf7 Ba1 29.Nh6 Kf8? 30.Qd6+– Re7 31.Nf5 Bf6 32.Ne7 Be7 33.Qf4 Kg8 34.g4 Rf8 35.Qe3 Bc5 36.Qe6 Kh8 37.a4 Rf1 38.Kg2 Rg1 39.Kh2 Kh7?! 40.Qf5 Kg8 41.g5 Rd1 42.Qe6 Kh7 43.Qf5 Kg8 44.Kg3 Rg1 45.Kh4 Be3?? 46.Qe6 Kh8 47.Qe3 Ra1 48.g6 Rf1 49.Qe8 Rf8 50.Qf8# 1–0. Pagalis,Giorgos – Stellas,Dimitris, Patras op, 2000.

7.Qc2 Nc6 8.Nf3 0-0 9.g4? (better is 9.Bd3!?+=) 9...Ng4–+ 10.Rg1 e5 11.h3 Nf6 (11...de3?! 12.fe3 Ne3 13.de3 Be3 14.Rg2+=) 12.Bd3 h6 (12...Bh3?! 13.Ng5 de3 14.Bh7 Kh8 15.fe3=) 13.Nh4 Re8 14.Bf5 Ne7 15.Be4 Ne4 16.Qe4 Qd6 17.d3 (17.Nf3 Nf5 18.Nd4 Nd4 19.Bd4 Bd4 20.ed4 Qd4 21.Qg2–+) 17...Bh3 18.Nd2 (18.Qf3 Bc8 19.Qg3 Qf6–+) 18...Rad8 (better is 18...f5 19.Qh1 de3 20.fe3 Be3 21.Qh3 Bg1 22.Nf5 Nf5 23.Qf5 Rad8–+) 19.Qf3? (19.Nb3–+) 19...de3 20.fe3 Qd3 21.Ne4 Qe3 (better is 21...Be3 22.Rg3 Bd2 23.Kf2 Qc2 24.Rh3 Bc3 25.Qe2 Qb2 (worse is 25...Bb2 26.Qc2 Ba1 27.c5+/–) 26.Qb2 Bb2–+) 22.Qe3 Be3 23.Rg3 Bd4 24.Bd4 Rd4 25.Nf6 Kf8?? 26.Nh7= Kg8 27.Nf6 Kf8?? 28.Nh7= Kg8 29.Nf6 Kh8 30.Ne8 Rh4 31.Rg7 Bd7 32.Rf7 Be8 33.Rf8? Kg7 34.Re8 Kf7 (34...Kf7 35.Re7 Ke7–+) 0–1. Lenda,Lukasz – Aniskevich,Dmitry, Krakow op–C Poland, 2005.

7.Nf3 de3 8.fe3 Nc6 9.Be2 e5 10.Ne5+= Ne5 (10...Ne4 11.Nf3+/-) 11.Be5+/- Qe7 12.Bg3 (better 12.d4+/-) 12...Ne4= 13.Bf4 g5 14.0-0? (better 14.Bg3=+) 14...gf4-+ 15.Rf4? (15.d4 Ng3! 16.dc5 Nf1 17.Kf1 fe3-+) 15...Bd6 (better 15...Nd2 16.Kh1 Qe3 17.Bf3-+) 16.Rf1 (16.Qf1-+) 16...Qh4 17.h3 Qg3 18.Rf4 Bf4 19.ef4 Qf2 20.Kh1 (20.Kh2 Qf4 21.Kg1 Qf2 22.Kh2 Bh3-+) 20...Ng3 21.Kh2 Ne2 22.Qc2 (22.Nc3 Qf4 23.Kh1 Nc3 24.dc3 Qc4 25.Qf3-+) 22...Qf4 (22...Qg1) 23.Kh1 Ng3 (23...Qf1 24.Kh2 Qg1) 24.Kh2 Bf5 (24...Rg8 25.Qc3 Ne2 26.g3 Qf2 27.Kh1 Qg1) 25.d3 Ne2 26.Kh1 Qf1 27.Kh2 Qg1 0-1. ClayPigeons (2175) - LucianoPavez (2180), Rated Bullet game, lichess.org, 2020.

8.Nf3 0-0 9.Be2 e5 10.ed4 ed4 11.d3 (11.0-0!?+=) 11...Re8–/+ 12.Nbd2 Nh5 13.g3 Nf6 14.h3 Qe7 15.Qd1 b6 16.Kf1 Bb7 17.Rh2 Rad8 18.Nb3 Nd7 19.Ne1 Qf6 20.Bf3 Nde5 21.Bd5 Na5 22.Bb7 Nb7 23.f4 Nc6 24.Qf3 Nca5 25.Na5 Na5 26.Nc2 Nb3 27.Re1 Re1 28.Ke1 a6 29.Re2 Qf5 30.Re5 Qh3–/+ 0–1. Fournier,Frederic (2095) – Cesar Costa,Paulo (2190), Cup XX–years Chess Club MDK Malbork Poland, 2003.

8.Nf3 e5 9.Be2 d3 (better 9...0-0!?=+) 10.Qd3+= (worse 10.Bd3 e4 11.Be4 Ne4-/+) 10...Qd3 11.Bd3 e4 12.Bf6 ef3 (12...ed3!? 13.Bd4 Be7+=) 13.Bg7 (13.Bc3 fg2 14.Rg1 Bh3+/-) 13...Rg8 14.Bb2 fg2 15.Rg1 Bd6 (15...f5!?+/-) 16.f4+- (16.Bh7? Bh2 17.Bg8 Bg1-+) 16...Be7 17.Be4 (17.Bh7 Bh4 18.Ke2 Bg4 19.Kd3 0-0-0 20.Kc3 Bh3 21.Bg8 Rg8+-) 17...Bh3 (17...Bh4 18.Ke2 Bg4 19.Bf3+/-) 18.Bf3 (better 18.Bh7 Bh4 19.Ke2 Bg4 20.Kd3 0-0-0 21.Kc3+-) 18...Na5+= 19.d3 Rd8 20.Ke2 Nb3 21.Ra2 Nc5? (21...Bf5!? 22.Bd5 Nc5=) 22.Bd4 (22.d4 Be6 23.Nd2 Nb3+-) 22...Nb3 (better 22...b6+/-) 23.Rb2?? (better 23.Ba7 Nc1 24.Rc1+-) 23...Nc1?? (better 23...Nd4 24.ed4 Bf6-/+) 24.Rc1 (24.Kd2 Rd4 25.ed4+- (25.Kc1 Rd3 26.Rb7 Rg7=)) 24...g1Q 25.Rg1 Rg1 26.Nd2 (26.Rb7 a6+-) 26...Rd4? (better 26...b6+/-) 27.Rb7?? (better 27.ed4 b6 28.Rb5+-) 27...Bc5?? (27...Rd8 28.Ra7 Ra1-/+) 28.Rb8 (better 28.ed4 Bd4 29.Nb3 Bf1 30.Kd2+-) 28...Rd8-+ 29.Bc6 (29.Rb5 Ba3 30.Ra5-+) 29...Ke7 (29...Bd7 30.Rd8 Kd8 31.Bd7 Rg2 32.Kf3 Rd2 33.Bf5-+) 30.Rd8? (better 30.Rb7 Kf8 31.d4-/+) 30...Kd8-+ 31.Bg2?? (31.Ne4 Ba3 32.Ng5 Bf1 33.Kf2 Rg5 34.fg5 Bd3 35.Bd5-+) 31…Rg2 (31...Rg2 32.Kf3 Rd2-+) 0-1. Williams,Barry - Eade,Don, NZL Latvian Gambit, 2001.

8.Nf3 e5 9.Be2 d3 (better 9...0-0!?=+) 10.Qd3+= (worse 10.Bd3 e4 11.Be4 Ne4-/+) 10...Qd3 11.Bd3 e4 12.Bf6 ef3 (12...ed3!? 13.Bd4 Be7+=) 13.Bg7 (13.Bc3 fg2 14.Rg1 Bh3+/-) 13...Rg8 14.Bb2 fg2 15.Rg1 Bd6 (15...f5!?+/-) 16.f4+- (16.Bh7? Bh2 17.Bg8 Bg1-+) 16...Be7 17.Be4 (17.Bh7 Bh4 18.Ke2 Bg4 19.Kd3 0-0-0 20.Kc3 Bh3 21.Bg8 Rg8+-) 17...Bh3 (17...Bh4 18.Ke2 Bg4 19.Bf3+/-) 18.Bf3 (better 18.Bh7 Bh4 19.Ke2 Bg4 20.Kd3 0-0-0 21.Kc3+-) 18...Na5+= 19.d3 Rd8 20.Ke2 Nb3 21.Ra2 Nc5? (21...Bf5!? 22.Bd5 Nc5=) 22.Bd4 (22.d4 Be6 23.Nd2 Nb3+-) 22...Nb3 (better 22...b6+/-) 23.Rb2?? (better 23.Ba7 Nc1 24.Rc1+-) 23...Nd4 24.ed4 Rd4 25.Rb7 Bc5 26.Rb8 Rd8 27.Bc6 Ke7 28.Rd8 Kd8 29.Bg2 Rg2 30.Rg2 Bg2 31.a4 Bb4 32.Nd2 Bc6 33.d4 Ba4 34.c5 Bc6 35.Kd3 Bd5 36.Nc4 Kc7 37.Nd6 Kd7 38.Nb5 a5 39.Nc3 Bg2 40.Kc4 Bf1 41.Kb3 Kc6 42.Na2 Kd5 43.Nb4 ab4 44.f5 Kd4 45.Kb4 Bh3 46.f6 Ke5 47.Kc3 Kd5 48.Kd3 Kc5 49.Ke4 Kd6 50.Kf4 Ke6 51.Kg5 h6 52.Kh4 Bf5 53.Kh5 Kf6 ... 0-1. Williams,Barry - Eade,Don, NZL Latvian Gambit, 2001. (New Zealand Chess Magazine Vol 27 No 2 April 2001)

8.Nc3 0-0 9.Nf3 e5 10.Be2 Nc6 11.0-0 Bf5 12.d3 Re8 13.Nh4 Be6 14.Nf3 Qd7 15.Nd4 Nd4 16.Re1 Rad8 17.Bf1 Bg4 18.f3 Bf5 19.Rc1 Qc6 20.Rb1 a6 21.a4 Qc5 22.Kh1 b6 23.Bc1 Rd6 24.Be3 Rde6 ½–½. Fournier,Frederic (2095) – Barczynski,Miroslaw, Northern Lights Team League Match, 2005.

8.Bd4 Qd4 9.Nc3 Ng4 (9...Nc6 10.Nf3 Qd7 11.d4=) 10.Qe2 0-0 11.Nf3 Qb6 (11...Qd8 12.h3 Nf6 13.Qe3=) 12.d4 e5 (12...Nc6 13.Qd2=) 13.d5 (13.Nd5 Qa5 14.Qd2 Qd2 15.Kd2 Nf2=) 13...e4 14.Ng5 (14.Ne4 Re8 15.Nfd2 f5–/+) 14...e3 15.fe3 Ne3 (15...Re8 16.e4 Qf6 17.Qd2+=) 16.Nge4–/+ f5 17.c5 Qh6 18.Nd6 Na6 19.c6 bc6 20.dc6 Nc7 (20...Nc7 21.Qa2 Be6–+; worse is 20...Nf1 21.Qc4 Be6 22.Qf1–/+) 0–1. Woschkat,Karl_Heinz – Markus,Nico, DESC, 2000.

8.Qa4 0-0 9.ed4 Nd4 10.Nd4 Bd4 11.Nc3 Ng4 12.Nd1 Bb2 13.Nb2 Qd4 14.Rb1 Nf2 15.Nd1 Nh1 16.Ne3 Rd8 17.Qc2 Qh4 18.g3 Qh2 19.g4 0–1. kostovist (1620) – Robert Edward (1870), internet, 2006.

8.Qa4 0-0 9.Bd4 Nd4 10.Nd4 Bd4 11.ed4 Qd4 12.Nc3 –+.

8.Qa4 Bd7 9.Qb5 b6 10.Qb3 =+.

8.Qa4 Bd7 9.Qc2 de3 10.fe3 0-0 11.d4 Bd6 12.Bd3 Re8 13.Nbd2 h6 14.e4 e5 15.c5 Bc7 16.d5+/– Nd4 17.Nd4 ed4 18.Bd4 Nd5= 19.0-0 Nf4 20.Bc4 Be6 21.Be3 Bc4 22.Qc4 b6?? 23.Bf4 Bf4+= 24.Rf4 Qd2 25.Qf7 Kh8 26.Raf1 Qd4 27.Kh1 Re4 28.c6= Rf4 29.Rf4 Qa1 30.Rf1= Qa3 31.c7 Qc3?? 32.Rd1 Rg8 33.h3 Qe3? 34.Qg8!! Kg8 35.c8Q Kh7 36.Qf5 (36…g6 37.Qf7 Kh8 38.Rd8 Qe8 39.Re8#) 1–0. Wilk,Krzysztof – Bogucki,J, Poland–chB U18 Olkusz, 1995.

8.Qa4 Bd7 9.Qc2 e5 10.ed4 Nd4 11.Nd4 ed4 12.Qd3 =+.

8.Qc2 0-0 9.Bd3 h6 10.0-0 e5 11.ed4 ed4 12.Bf5 Qd6 13.Bc8 Rac8 14.d3 Ne5 (14...b6 15.Nbd2=) 15.Ne5 Qe5 16.Nd2 Rfe8 17.Nf3 Qf5 (17...Qd6!?=) 18.Bd4 Bd4 19.Nd4 Qg6 20.Nb5 Red8 (20...Nh5 21.Qd2+=) 21.Na7+/- Ra8 22.Nb5 Rd3 23.a4 (23.Rad1 Rad8 24.Rd3 Qd3 25.Qd3 Rd3+/-) 23...Nh5 24.Qc1 (24.f4 Rad8+=) 24...Rc8 (24...Qg4 25.f3 Qf5 26.a5+=) 25.a5 (25.Re1 Qf6+/-) 25...Qe4 The isolani on c4 becomes a target (better 25...Qf5 26.Qb2 A) worse 26...Rc4 27.a6 ba6 28.Nd6 (28.Ra6 Rg4 29.Ra8 Kh7-+) 28...Rd6 29.Qb8 Kh7 30.Qd6+=; B) 26...Nf4=) 26.c5?? (better 26.Re1!? Qg4 27.h3+/-) 26...Qb4 (26...Nf4!? 27.f3 Qf5-/+) 27.Rb1 Qc5 28.Qc5 Rc5 29.g3 Rdd5 30.Na7 Ra5 31.Rb7 Rd2 32.Nc6 Raa2 33.Ne7 (33.Ne5 Nf6=) 33...Kh7 34.Nf5 Nf6 35.Rf7? (better 35.Nh4!?=+) 35...Kg6-+ 36.Nh6 (36.Rf6!? Kf6 37.Ne3-/+) 36...gh6 37.Rf8 Ne4 (37...h5 38.h3-+) 38.Rf4 Ng5 39.h4?? (better 39.Kg2-+) 39...Nh3 40.Kg2 Nf4 41.gf4 Kf5 42.Kf3 (42.Kg3 Ra3 43.Kg2 Kf4-+) 42...Ra3 43.Kg2 Kf4 44.Rc1 Raa2 (44...Rg3 45.Kf1 Rf3 46.Rc4 Kf5 47.Ke1 Rff2 48.Ra4-+) 45.Rc4 Ke5 46.Rc5 Kd6 (46...Ke4 47.Rc4 Kf5 48.Rc5 Kg6 49.Rc6 Kh5 50.Kg3 Rf2 51.Rc5 Kg6 52.Rc6 Rf6 53.Rc3-+) 47.Rb5 (47.Rf5 Ke6 48.Rf4 h5-+) 47...Rf2 48.Kg3 Rg2 49.Kf4 (49.Kf3 Kc6 50.Rh5 Rgf2 51.Ke3 Rfe2 52.Kd3 Re6-+) 49...Raf2 (49...Ra4!? 50.Kf3 Rc2 51.Rb6 Kc5 52.Re6-+) 50.Ke3 Rf6 51.Rb6 Ke7 (51...Ke5 52.Rb5 Ke6 53.Rb6 Kf5 54.Rf6 Kf6 55.Kf3-+) 52.Rb7 Kf8 53.Rb8 (53.Rb4 Rg3 54.Ke2 Rh3-+) 53...Kg7 54.Rb7 Kg6 55.Rb5 Rg4 (55...Rh2 56.h5 Rh5 57.Rb2-+) 56.h5 Kg7 57.Rb7 Rf7 58.Rb6 Rg5 59.Rd6 Rh5 60.Ke4 Rg5 61.Ke3 h5 62.Rg6 (62.Rd4-+) 62...Kg6 63.Ke4 h4 (63...h4 64.Kd3 h3 65.Ke3 h2 66.Kd2 Rf3 67.Ke2 h1Q 68.Kd2 Rg2) 0-1. carlos78 (2300) - hyudga (2100), Rated Blitz game, lichess.org, 2014.

8.Qc2 0-0 9.Be2 b6 10.0-0 Bb7 11.ed4 Nd4 12.Nd4 Bd4 13.Bd4 Qd4 14.Qc3 Rfd8 15.Qd4 Rd4 16.d3 Nd7 17.Nc3 Nc5 Attacking the backward pawn on d3 18.Rad1 Bc6 19.f4 Rad8 20.Nb5 Bb5 21.cb5 g6 22.Rf3 Na4 23.Rc1 R8d7 24.Rc2 Kg7 25.Kf2 Nc5 26.Rc3 Ra4 27.Bd1 Rad4 28.Be2 Kf6 29.g4 Kg7 30.Ke3 h6 31.Rf1 f6 32.Rfc1 f5 33.h3 Kf6 34.Rc4 e5 (34...Rd3 35.Bd3 Rd3 36.Ke2 Rh3 37.gf5 Kf5 38.a4-/+) 35.fe5 Ke5 36.Rd4 Rd4 37.Rc4 (better 37.gf5!? gf5 38.Rc3=+) 37...Rc4 38.dc4 f4 39.Kf3 g5 0-1. Gawne,Martin (1730) - Pyda,Arjun, 1st 4NCL Online Open, 2020.

8.Qc2 e5 9.Bd3 Bg4 10.Ng5 Qe7 11.f3 (better is 11.Ne4+=) 11...de3?? (better is 11...Bd7–/+) 12.fg4+= Ng4 13.Ne4 (13.Nh7? Nf2 14.Rf1 e4–+) 13...0-0-0? (better is 13...Nf2 14.Nf2 ef2 15.Kf1 Rd8+=) 14.Nc5+– Nf2 (14...ed2 15.Nd2 Ne3 16.Bf5 Kc7 17.Qe4 Nf5 18.Nb7 Rd2 19.Kd2 Qg5 20.Ke1 Kb7 21.Rb1+– (21.Be5?! Qe3 22.Qe3 Ne3 23.Bg7 Rg8 24.Rb1 Ka8+/–)) 15.Bf5 Kc7 16.Ne4?? (16.Nb7 Nh1 17.Nd8 Qh4 18.Kd1 Rd8 19.Qc1–+) 16...Nh1+= 17.de3 g6 18.Bh3 Qh4 19.Ng3 Ng3+= 20.hg3 Qg3 21.Qf2 Rd1!–+ 22.Ke2 Qf2 23.Kf2 Rhd8 24.Ke2 f6 25.Be6 Rg1 26.Kf2? Rdd1 27.Nc3 Ra1 28.Ba1 Ra1 29.Nd5 Kd6 30.Bg8 Ne7 31.Ne7 Ke7 32.Bh7 Kf7 0–1. Karlsen,Jan M – Aabid,Ryaad, Molde, 2004.

8.Bd3 0-0 +=.

8.ed4 Nd4 9.Nc3 0-0 (9...Bd7 10.Be2+=) 10.Na4 Nf3 11.Qf3 Bd4 12.Rc1? (better is 12.Bd4 Qd4 13.Nc3–/+) 12...e5–+ 13.h3 (13.Be2 Qa5 14.Nc3 Bg4–+) 13...Bd7 14.Nc3 Bc6 15.Qg3 (15.Qf5 g6 16.Qc2 Re8–+) 15...Nh5 16.Qg4 Nf4 17.Nd1 (17.Qg3 Re8 18.Rc2 Re6–+) 17...Bb2 18.Nb2 Qd4 19.Rc3 Rad8 20.Nd3 (20.Qd1 Bg2 21.Bg2 Ng2 22.Kf1 Nf4–+) 20...Nd3 (better is 20...Be4 21.Qg3 Bd3 22.Bd3 Nd3 23.Kf1–+) 21.Bd3? (21.Rd3 Qb2 22.Qd1–+) 21...e4 22.0-0 ed3 23.Qd4 Rd4 24.Re1 Rfd8 (24...f5 25.f3–+) 25.Re3 (25.f3 f5–+) 25...f5 26.g3 (26.f3 f4 27.Re7 Re8 28.Re8 Be8–+) 26...Kf7 27.Kh2 (27.f4 Be4 28.Re1 Rc8–+) 27...Kf6 28.h4 (28.c5 Re4–+) 28...g6 (28...h6 29.Kh3–+) 29.Kh3 h6 30.Kh2 (30.c5 Bd5–+) 30...g5 31.h5 g4 32.Kg1 (32.a4 Ba4 33.Re1 Bc6–+) 32...Bf3 33.a4 (33.Kh2 Rc8 34.Red3 Rcc4 35.Rd4 Rd4–+) 33...R8d6 34.Re1 (34.c5 Ra6 35.Rc1–+) 34...Rb6 35.a5 Rc6 (better is 35...Rb2 36.a6 Rd2 37.Rb1 ba6 38.Rf1–+) 36.Rec1 (36.Re3 Ra6 37.Ra3 Rc4–+) 36...a6 (36...Rc5 37.Re1 f4 38.Re3 fe3 39.fe3 Rdc4 40.Rc4 Rc4 41.Kf2 Kf5 42.e4 Ke4 43.Ke1 Rc1 44.Kf2 Rd1 45.a6 Rd2 46.Kf1 Rg2 47.ab7 d2 48.b8Q d1Q) 37.Kh2 (37.c5–+) 37...Rc5 38.Rb3 f4 39.Rb6 Kg7 (39...Kf7 40.Rb7 Bb7 41.f3 Rh5 42.Kg1 Bf3 43.Kf2 Rh2 44.Kg1 fg3 45.Re1 Rh1) 40.Rg6–+ Kh7 (40...Kh7 41.Rg4 Bg4–+) 0–1. Campos Calvo_Sotelo,Juan (2025) – Pettersson,Anders (2215), 10th Gibraltar Challengers–A, 2012.

8.ed4 Nd4 9.Bd4 Bd4 10.Nd4 Qd4 =+.

8.ed4 Nd4 9.Nd4 Bd4 10.Bd4 Qd4 11.Nc3 Ne4 (11...0-0 12.Nb5 Qb6 13.Rc1+=) 12.Ne4= Qe4 13.Qe2 Qe2 14.Be2 Bd7 15.Bf3 Rc8 16.Rc1 Bc6 17.Bc6 Rc6 18.d3 Ke7 19.Kd2 Rd8 20.Rc3 b6 21.a4 Rd4 22.Rb1 a6 23.Kc2 (23.Ke3 e5=) 23...Kd7 24.a5 Kc7 25.ab6 Rb6 26.Rcb3 Rb3 27.Rb3 e5 28.f3 f6 29.Kb2 (29.Ra3 Kb6=) 29...Rd6 30.Kc3 h6 31.Rb2 Rd4 32.g3 g5 33.Re2 Kc6 34.Ra2 Kb6 35.Kd2 h5 36.Ke3 h4 37.g4 Rf4 (37...Rd7 38.Rb2 Kc5 39.Rb8+=) 38.h3 Rd4 39.Ra3 (39.Rb2 Kc5=) 39...Rf4 (39...Rd6 40.Ra2+=) 40.Rb3 Kc7 41.Ra3 Kb6 ½–½. Krois,Andreas – Schotte,Ralf, Ruhrgebiet VK4, 1997. (=1.a3 c5 2.e3 d5 3.b4 e6 4.Bb2 Nf6 5.bc5 Bc5 6.c4 d4 7.Nf3 Nc6)

8.Be2 0-0 9.Qb3 e5 10.d3? de3-+ 11.fe3 Be3 12.Ne5? (12.Nc3 Re8-+) 12...Ne5 (better 12...Nd4 13.Nf7 Rf7 14.Bd4 Qd4-+) 13.Be5-/+ Ng4 14.Bg3 Qd4 15.Qc3 (better 15.Nc3-+) 15...Bf2 16.Kd1 Qc3 (better 16...Qd8 17.Qc1 Bg3 18.hg3 Nf2 19.Kd2 Bg4-+) 17.Nc3-/+ Bg3 18.hg3 Nf2 19.Kd2 Nh1 20.Rh1 Bf5 21.Rf1 Bg6 22.Nd5 Rfd8 23.Bf3 Kf8 24.Nf4 Rab8 25.Rb1 b6 26.a4 (26.Ng6 hg6 27.Rf1 Rbc8-/+) 26...Rbc8 (26...Bf5 27.g4 Bd7 28.Nd5-+) 27.a5 (27.Ng6 hg6 28.Bd5 Rc5-/+) 27...ba5 (27...Rc4! 28.ab6 ab6 29.Rb6-+) 28.Ng6-/+ hg6 29.Kc3 Rd7 30.Ra1 Rcd8 31.Be2 (31.Bd5 Rd5 32.cd5 Rd5-/+) 31...Re7 32.Bf1 (32.Bf3 Re3 33.Be4 Rg3 34.Ra5 Rd7-+) 32...Re3 33.g4 f5 (better 33...a4!? 34.Kb4-+) 34.gf5-/+ gf5 35.Ra5 Rd7 (better 35...g6!? 36.Kd2 Re7-/+) 36.Rf5=+ Kg8 (36...Ke7 37.Kd2 g6 38.Rf4=+) 37.Kd2 Rg3 38.Rf3 Rg5 (38...Rf3 39.gf3 a5 40.Bh3=+) 39.Kc3= Ra5 40.g3 Ra3 (40...Rf7 41.Be2=+) 41.Kb2 Ra4 (41...Ra6 42.Bh3 Re7 43.Kc3=) 42.Bh3 Rd6 (42...Rb7 43.Kc3=) 43.Re3 (43.c5 Rda6 44.Bd7 Rd4+=) 43...Kh7 (43...a5 44.Bg2=) 44.Bf5 g6 45.Be4 Kg7 (45...a5 46.c5 Rdd4 47.Re1=) 46.Bd5 (46.c5 Rd8=) 46...a5 47.Re7 Kf6 48.Ra7 Rb4 (48...Ke5!? 49.Kb3 Ra1=) 49.Kc3= Ra4 50.Kb3 (50.Kd4 Rd8=) 50...Ra1 51.Kc3 Ra2 52.Kd4 a4 53.c5 Rd8 54.Ra6 Kg5 55.c6 (55.Ke5 Rc2 56.Kd4 Rg2=) 55...Rc2=+ 56.Ra5 (better 56.Ke4 a3 57.d4=) 56...Kh6?? (better 56...Rc6! 57.Ke3 Re8 58.Kd4 Rd6-+) 57.Rc5+- Rc5 58.Kc5 a3 59.d4 (59.c7 Rd5 60.Kd5 a2+-) 59...Rd5 (59...Ra8 60.Ba2 Rb8 61.c7+-) 60.Kd5+- a2 61.c7 a1Q 62.c8Q Qa5 63.Qc5 Qa2 64.Qc4 (better 64.Kd6!?+-) 64...Qa5+= 65.Ke4 Qa8? (65...Qe1 66.Kf3 Qh1 67.Kf4 g5 68.Ke5 Qe1 69.Kf5 Qg3 70.Qa6 Kh7 71.Qg6 Kh8 72.Qf6 Kh7 73.Qf7 Kh8+/-) 66.d5+- Qf8 67.Ke3 Qe7 68.Qe4 Qa3 69.Kf4 Qc1 70.Qe3 Qc4 (70...g5 71.Ke4 Qb1 72.Qd3 Qb4 73.Kf5 Qf8 74.Kg4 Qb4 75.Kh3+-) 71.Kf3 Kg7 (71...Kh7 72.Qe7 Kg8 73.Qe6 Kg7 74.Qe5 Kg8 75.d6+-) 72.Qe5 Kh6?? (72...Kg8+-) 73.Qf4 (73.Qf4 Qf4 74.Kf4+-) 1-0. carlos78 (2330) - hyudga (2100), Rated Blitz game, lichess.org, 2015.

8.Be2 e5 9.0-0 d3–+ 10.Ne5 Ne5 11.Be5 de2 12.Qe2 0-0 13.d4–/+ Bd6 14.Bd6 Qd6–+ 15.h3 Bf5 16.Nc3 Rfe8 17.g4 Bg6 18.f4 Ne4 19.Ne4 Be4 20.g5 Bf5 21.Rf2 Rad8 22.h4 Qe7 23.Re1 Qa3 24.Qf3 Rd4! 25.Qb7 Qa5 26.Rb1 Bb1 27.Qb1 Re3 (28.Kh2 Qc7–+) 0–1. juanpacio (1680) – Robert Edward (1880), internet, 2006.

8.Be2 e5 9.ed4!? Nd4 10.0-0 –/+.

8.h3 0-0 9.ed4 Nd4 10.Bd4 Bd4 11.Nd4 Qd4 12.Nc3 –/+.

8.h3 de3 9.fe3 (9.de3 Qe7 10.Bd3+=) 9...Qd6 (9...Bd6 10.Bf6 Qf6 11.Nc3–/+) 10.Qe2 (better is 10.Bf6!? Qg3 11.Ke2 gf6 12.d4=) 10...Ne4–/+ 11.Nc3?? (better is 11.Rg1–/+) Ng3–+ (11...Ng3 12.Qf2 Nh1–+) 0–1. zabazaba – rickyross (1635), gameknot.com, 2015.

7.Ra2 Be7 8.Nf3 =.

7.Bc3 Bd6 8.Nf3 Ne4 9.Bd3 Nc3–/+ 10.Nc3 Qa5 11.Qd2 Bb4! 12.ab4 Qa1 13.Nd1 Qa3 14.0-0 0-0 15.Ng5 h6 16.Nf3 Nd7 17.c3 b6 18.Ne5 Ne5–+ 19.de5 a5 20.b5 Bd7 21.c4 dc4 22.Bc4 Qc5 23.Qd7 Qc4 24.Nb2 Qe2 25.Qd4 Rfd8 26.Qc3 Rac8 27.Qa3 Rc2 0–1. narendras – lasker (1955), internet, 2007.

8.c4 dc4 9.Nd2 =.

8.Nd2 Nc6 9.c4 Qa5 10.Ngf3 0-0 11.c5 Be7 12.Qc2 Bd7 13.Ra1 Qc7 14.Bd3 b6 15.Nb3 bc5 16.Nc5 Rfc8 17.0-0 Bc5 18.dc5 e5 19.Nd2 e4 20.Be2 Ng4 21.Bg4 Bg4 22.f3 ef3 23.Nf3 Qe7 24.Qc3 f6 25.Rad1 Bf3 26.gf3 Rd8 27.e4 de4 28.Qc4 Kh8 29.fe4 Rd1 30.Rd1 Rb8 31.Qc2 Re8 32.Rd6 Ne5=+ 33.Be5 fe5 34.Qd2 h6 35.h3 Rf8 36.Qg2 Qh4 37.Rd1 Qf4 38.Kh1 Qe3 39.c6 Qc3 40.Rg1 g5–/+ 41.Qg3 Qc6 42.Qe5= Qf6 43.Qf6 Rf6 44.Kh2 Rd6 45.Rb1 Rd7 46.Kg1 Kg7 47.Rb3 Kf7 ½–½. Woschkat,Karl_Heinz – Reuter,Alfred, DESC, 2000.

8.Nf3 Qa5 9.Nbd2 b6 10.c4= Ba6 11.Qc2 Bc4 12.Bc3 Qa6 13.Nc4 dc4 14.Bd2 0-0 15.Bc4 Qb7 16.0-0 Rc8 17.Qb3 Qe7 18.Bd3 Nc6 19.Rc2 Na5 20.Ba5 ba5 21.a4 Rab8 22.Rc8 Rc8 23.e4 Bf4 24.g3 Bh6 25.Qb5 Qd8 26.Rb1 Nd7 27.Kg2 Qc7 28.Qa6 Rb8 29.Rb8 Nb8 30.Qb5 Kf8 31.Ne5+– Qb6 +–. Schulz,Hans_Juergen (1750) – Lonsdale,David Robert (1750), b2–b4.com, 2005.

8.c4 A) 8...Qa5 9.Nd2 (9.Qd2 Bc7 10.Nc3 Nc6 11.Bd3 0-0 12.Nf3 dc4 13.Bc4; 9.Bc3 Qd8 10.Nf3 0-0 11.Nbd2 Nc6 12.Bd3 b6 13.0-0) 9...Ne4 10.Bd3 Nc6 11.c5 Be7 12.Ngf3 f5 13.0-0; B) 8...Qc7 9.c5 (9.Nd2 0-0 10.Bd3 Nc6 11.Ngf3 b6 12.0-0 Ba6 13.Qc3; 9.Nf3 Nc6 10.c5 Be7 11.Nc3 0-0 12.Bd3 Qd7 13.0-0; 9.Bd3 dc4 10.Qc4 Qc4 11.Bc4 Bd7 12.Nc3 0-0 13.Nf3) 9...Be7 10.Nc3 0-0 11.Nf3 Nc6 12.Bd3 b6 13.Nb5; C) 8...Qd8 9.Nf3 (9.Bd3 dc4 10.Qc4 Bd7 11.Nc3 Qb6 12.Nb5 Bb5 13.Qb5; 9.Nd2 Nc6 10.Bd3 Qa5 11.Ngf3 0-0 12.Bc3 Qc7 13.c5) 9...Nc6 10.Nbd2 0-0 11.Bd3 h6 12.0-0 Bd7 13.Bc3; D) 8...dc4 9.Nf3 (9.Nd2 Qa5 10.Bc3 Qd5 11.Nc4 Bc7 12.Nf3 Nc6 13.Bd3) 9...Nc6= (9...Qc7 10.Qc4 Nc6 11.Nc3 a6 12.Rc1 0-0 13.Bd3) 10.Nbd2 Na5 11.Nc4 Nc4 12.Bc4 0-0 13.0-0.

8.Nf3 0-0 9.c4 Qa5 (9...Bc7 10.Nc3 Nc6 11.cd5 ed5 12.Bd3 Bd7 13.0-0) 10.Qd2= (10.Nbd2 Nc6 11.Bd3 h6 12.c5 Be7 13.0-0) 10...Nc6 11.Qa5 Na5 12.c5 Bc7 13.Nbd2.

8.Nf3 0-0 9.Nbd2 Nc6 10.c4 Qc7 11.Bd3 Bd7 12.h3 h6 13.0-0.

8.Nf3 0-0 9.Nbd2 Bd7 10.c4 Rc8 11.c5 Qd8 12.Qd1 (12.Bc3 Be7 13.Bd3 b6 14.cb6 Qb6=+) 12...Be7=+ 13.Bd3 (13.Ne5 b6 14.Nd7 Nbd7=) 13...b6 14.cb6 Qb6 15.Rb1 Bb5 16.Bc1 (16.Qe2 Bd3 17.Qd3 a6=+) 16...Bd3-/+ 17.Rb6 ab6 18.Ne5 Bb5 19.Bb2 Ra3 20.Qb1 (20.Ba3? Ba3 21.Ndc4 Bb4 (21...Bc4?! 22.Nc4 dc4 23.Qa4-+; 21...Rc4?! 22.Nc4 Bb4 23.Ke2=) 22.Ke2 dc4-+ (22...Bc4?! 23.Kf3-/+; 22...Rc4?! 23.Nc4 dc4 24.Qa1=)) 20...Ra4 21.Nd3 Ne4 22.f3 Nd2 23.Kd2 Nc6 24.Bc3 Bc4 25.Rc1 (25.Qb6 Bd3 26.Kd3 Nb4 27.Bb4 Rb4-+) 25...Ra3 26.Ne5 (26.Qb6?? Rb3 27.Qb3 Bb3-+) 26...Ne5 27.de5 Bc5 28.Bd4? (better 28.Rc2-/+) 28...Rb3-+ 29.Qc2 Bb4 30.Kd1 Ba5 31.Qf2 Rd3 32.Kc2 Bb4 33.Bb2 (33.Bb6?? Rc3 34.Kb2 Rb3 35.Ka1 Ra8 36.Qa2 Bc3 37.Rc3 Ra2 38.Ka2 Rc3 39.Kb2 Rb3 40.Kc2 Rb6-+) 33...Bc5 34.Re1 (34.Bd4 Ba3 35.Bb2 Ba6 36.Kb1-+) 34...Bb5 35.Kb1 Rb3 (35...Rb3 36.Rd1 Ba3-+) 0-1. Pereira – Soubuk, internet, 2020.

8.Nf3 Nc6 9.Nbd2 (9.c4 Qa5 10.Qd2 Bd7 11.Qa5 Na5 12.c5 Bc7 13.Nbd2) 9...Bd7 10.c4 Qd8 11.Bd3 0-0 12.0-0 h6 13.Bc3.

8.Nf3 Bd7 9.c4 Qc7= (9...Qa5 10.Nbd2 0-0 11.c5 Be7 12.Bd3 Nc6 13.0-0) 10.Bd3 0-0 11.c5 Be7 12.0-0 Nc6 13.Nc3.

8.Nf3 Bd7 9.Nbd2 0-0 10.c4 dc4 (10...Rc8!?= 11.c5 Qd8 12.Qb1 Be7 13.Bd3; 10...Be7 11.Bd3 Nc6 12.0-0 Qc7 13.Qc2) 11.Nc4+= Qc7 (11...Qa6 12.Qd2 Bb5 13.Nfe5) 12.Nd6 (12.Bd3 Nc6 13.0-0) 12...Qd6 13.Bd3 (13.Qc5 Qc5 14.dc5 Ne4+=) 13...Bc6= 14.Qd1 (14.Qc4 Be4=) 14...Nbd7 (14...Rc8 15.Rc1=) 15.h3 (15.0-0 Be4=) 15...Nb6 (15...Rac8 16.0-0=) 16.0-0 (16.Bc3 Rfc8 17.Bb4 Qd8=) 16...Na4 17.Qb3 (17.Bc1 Rfc8=) 17...Nb2 18.Qb2 Bf3 19.gf3 Qd5 (19...a6 A) 20.Qb7? Rfb8 21.Bh7 Kf8–+ (21...Kh7?! 22.Qf7 Rf8 23.Qb7–/+; 21...Nh7?! 22.Qe4–+); B) 20.a4=) 20.f4 (20.Kg2 Rac8=) 20...Rac8 21.Rac1 (21.Rfc1 b6=) 21...Rfd8 (21...Qf3 22.Be2 Qe4 23.Rc8 Rc8 24.Rc1 Rc1 25.Qc1=) 22.Rfd1 (22.Rc8 Rc8 23.Rc1 Rc1 24.Qc1 g6=) 22...Qf3 (22...b6 23.Qb5=) 23.Bf1 Qd5 (23...b6 24.Qe2 Qb7 25.Qa6=) 24.Bg2+= Ne4 25.Qb1 f5 26.Be4 Qe4 27.Qe4 fe4 28.Kg2 Kf7 29.f3 ef3 30.Kf3 Ke7 31.Ke4 b5 32.Rg1 g6 33.Rb1 Rd5 34.a4 ba4 35.Rb7 Rd7 36.Rb4 a3 37.Rb3 a2 38.Rb2 a5 39.Ra1 Ra8 40.Rb5 a4 41.Ra2 a3 42.Rb3 Rda7 43.h4 Kf6 44.Rb6 Ra5 45.Kf3 R8a6 46.Rb7 Ra7 47.Rb6 Ke7 48.Ke4 Kd7 49.Kd3 Kc7 50.Re6+/– R5a6 51.Ra6+– Ra6 52.Kc4 Kd6 53.Kb4 Kd5 54.Ra3 Rb6 55.Kc3 Ke4 56.Ra7 Ke3+/– 57.Re7 Kf4 58.Rh7 Rc6 59.Kd3 Rc8 60.Rh6 Kf5 ½–½. Kostrov,Yaroslav (2020) – Matrosov,Vladimir (2130), Autumn Open, St Petersburg RUS, 2005.

8.Nf3 Bd7 9.Nbd2 Na6 10.c4+= Rc8 11.c5 Bc5? (better 11...Qd8+=) 12.dc5+– Rc5 (12...Nc5 13.Qb1+–) 13.Qb1 Rb5? (13...Ra5+–) 14.Bb5 Qb5 15.Bd4 Qa5 (15...b6+–) 16.Qb7 0-0 17.Qa7 (better 17.0-0 Nc5 18.Qb4 Qb4 19.ab4 Na4+–) 17...Ba4 (17...Bb5 18.Qb6 Qb6 19.Bb6+–) 18.0-0 Ne4 (18...Bb5 19.Rfc1+–) 19.Bb6 Qb5 20.Rab1 Qe2 (20...Qc6 21.Qa6 Ra8 22.Qd3+–) 21.Ne4 de4 22.Rfe1 Qc2 23.Ng5 (23.Rec1!? Qe2 24.Nd4 Qd3 25.Ne6 Re8+–) 23...Qb1 (23...Qd3+–) 24.Rb1 1–0. Pierre – Popovich, internet, 2020.

8.Nf3 Bd7 9.Nbd2 Bb5 10.Rb1 (10.c4 dc4 11.Ne5 Nc6+=) 10...Qa5 (better 10...Bf1 11.Rf1 Nc6–/+) 11.Bb5+= Qb5 12.c4 Qa6 (12...Qc6 13.Ne5 Qc7 14.cd5 Nd5 15.Qc7 Bc7 16.Ba1+=) 13.cd5+– ed5?? (better 13...Nbd7 14.de6 fe6+–) 14.Qc8+– Ke7 15.Qh8 Ba3 (15...h6+–) 16.Ra1 Ne4 17.Ba3 Kf6 18.Qd8 Kg6 (18...Ke6 19.Qe7 Kf5 20.g4 Kg4 21.Rg1 Ng3 22.Qg5 Kh3 23.Rg3) 19.Ne5 Kh5 20.g4 Kh6 21.Qh4 1–0. Pierre – Piove, internet, 2019.

8.Nf3 Bd7 9.Nbd2 Nc6 10.c4 Qc7 11.c5 Be7 12.Bd3 b6 13.0-0.

8.Nf3 Be7 9.c4 (9.Nbd2 Nc6 10.Bd3 0-0 11.0-0 g6 12.c4 Bd7 13.Qc2; 9.Bd3 0-0 10.Nbd2 Nc6 11.0-0 Bd7 12.c4 h6 13.Qc2) 9...Bd7 10.Nc3 Nc6 11.c5 Qa5 12.Bd3 0-0 13.0-0.

8.Nc3 A) 8...Nc6 9.Nf3 0-0 10.Bd3 Bd7 11.0-0 h6 12.h3 a5 13.Ne5; B) 8...Bd7 9.Nf3 (9.Bd3 Nc6 10.Nf3 0-0 11.0-0 Rfe8 12.h3 h6 13.Rb1) 9...0-0 10.Bd3 Nc6 11.0-0 Rab8 12.h3 a6 13.Re1; C) 8...h6 9.h3 (9.Nf3 Nc6 10.Bd3 0-0 11.0-0 Bd7 12.h3 a6 13.Rb1; 9.Bd3 0-0 10.Nf3 Nc6 11.0-0 Bd7 12.h3 a6 13.Rb1) 9...Nc6 10.Nf3 0-0 11.Bd3 a6 12.0-0 Rd8 13.Rb1; D) 8...g6 9.Nf3 (9.Bd3 0-0 10.Nf3 Bd7 11.0-0 Rc8 12.h3 Bc6 13.Qd2) 9...0-0 10.Bd3 Nc6 11.0-0 Bd7 12.Rb1 a6 13.e4; E) 8...0-0 9.Nf3 (9.Bd3 Nc6 10.Nf3 a6 11.0-0 Bd7 12.Rb1 Qa5 13.e4) 9...Nc6 10.Bd3 Bd7 11.0-0 h6 12.h3 Rac8 13.Rb1.

8.c4= A) 8...0-0 9.Nd2 (9.Nf3 h6 10.Nbd2 Nc6 11.Bd3 Bd7 12.0-0 Qc7 13.Qc2) 9...Bd7 10.Ngf3 Ba4 11.Bd3 Nc6 12.0-0 h6 13.Qc3; B) 8...Bd7 9.Nd2 (9.Nf3 Nc6 10.Nbd2 0-0 11.Bd3 g6 12.0-0 Rac8 13.Qc3) 9...Bc6 10.Ngf3 0-0 11.Bd3 Nbd7 12.0-0 Rac8 13.Qc2; C) 8...Nc6 9.Nd2 (9.Nf3 Bd7 10.Nbd2 Na5 11.c5 Qc7 12.Bd3 b6 13.cb6; 9.Nc3 0-0 10.Nf3 dc4 11.Bc4 Na5 12.Ba2 Nb3 13.Bb3; 9.cd5 ed5 10.Bd3 0-0 11.Nf3 Bg4 12.0-0 Rac8 13.Nc3) 9...0-0 10.Ngf3 Bd7 11.Bd3 h6 12.0-0 Rac8 13.h3.

8.Nd2 A) 8...Qd6 9.Ngf3 (9.Bd3 Qb6 10.Ngf3 Nc6 11.c4 0-0 12.0-0 g6 13.Qc3) 9...0-0 10.Bd3 h6 11.0-0 Nc6 12.c4 Bd7 13.Ne5; B) 8...Nc6 9.Ngf3 (9.c4 Rb8 10.Ngf3 0-0 11.Bd3 Bd7 12.0-0 Qc7 13.Qc3) 9...Qc7 10.Bd3 Bd7 11.c4 0-0 12.0-0 Rac8 13.Qd1; C) 8...h5 9.Ngf3 (9.Bd3 h4 10.h3 Nc6 11.Ngf3 Bd7 12.0-0 Kf8 13.c4; 9.c4 Nc6 10.Ngf3 Bd7 11.Bd3 0-0 12.0-0 Rfc8 13.Qc3) 9...Nc6 10.c4 0-0 11.Bd3 Bd7 12.0-0 Qc7 13.Qc2; D) 8...Qc7 9.h3 (9.Ngf3 0-0 10.Bd3 Re8 11.0-0 Nc6 12.c4 Bd7 13.e4; 9.Bd3 Bd7 10.Ngf3 Nc6 11.0-0 0-0 12.c4 Rac8 13.Qd1; 9.c4 Nc6 10.Ngf3 0-0 11.Bd3 Bd7 12.0-0 Rac8 13.Qd1) 9...Bd7 10.Ngf3 0-0 11.c4 Nc6 12.Bd3 Rac8 13.Qd1; E) 8...a5 9.Ngf3 (9.Bd3 Nc6 10.Ngf3 0-0 11.0-0 Bd7 12.c4 h6 13.h3; 9.c4 0-0 10.Ngf3 Nc6 11.Bd3 Bd7 12.0-0 g6 13.h3) 9...0-0 10.Bd3 Nc6 11.c4 Qc7 12.0-0 Bd7 13.Ne5; F) 8...0-0 9.Ngf3 (9.c4 Bd7 10.Ngf3 Ng4 11.h3 Nf6 12.Bd3 Nc6 13.0-0) 9...Qd6 10.Bd3 Nc6 11.0-0 Bd7 12.h3 Rac8 13.c4.

8.Bd3 A) 8...0-0 9.Nf3 (9.Nc3 h6 10.h3 Nc6 11.Nf3 Re8 12.0-0 Bd7 13.Rb1) 9...Nc6 10.Nc3 Bd7 11.0-0 Rfc8 12.Rb1 Qa5 13.Qd2; B) 8...Nc6 9.Nf3 0-0 10.Nc3 h6 11.h3 Rd8 12.0-0 Bd7 13.Rb1.

8.Nf3 a6 9.c4 (9.Nbd2 0-0 10.c4 Nc6 11.Bd3 Bd7 12.0-0 h6 13.Qc2; 9.Bd3 Nc6 10.Nbd2 Na5 11.0-0 0-0 12.Rb1 Bd7 13.Ne5; 9.Nc3 Nc6 10.Bd3 0-0 11.0-0 Re8 12.Rb1 Qa5 13.e4) 9...Nc6 10.Nbd2 0-0 11.Bd3 Bd7 12.0-0 Qc7 13.Qc2.

8.Nf3 Nc6 9.Nbd2 (9.c4 Na5 10.Nbd2 0-0 11.c5 Qc7 12.Bd3 b6 13.cb6; 9.Bd3 0-0 10.Nc3 a6 11.0-0 Bd7 12.Rb1 Qa5 13.e4; 9.Nc3 0-0 10.Bd3 Bd7 11.0-0 Rac8 12.h3 Rb8 13.Rb1) 9...g6 10.Bd3 Kf8 11.0-0 Kg7 12.c4 Bd7 13.Qc2.

8.Nf3 Bd7 9.Nc3 0-0 10.Bd3 Nc6 11.0-0 Rac8 12.h3 a6 13.Rb1.

8.Nf3 Bd7 9.Nbd2 0-0 10.Be2 Bb5 11.c4 dc4 12.Ne5 (worse 12.Bc4 Rc8 13.Ne5 Nc6–+) 12...c3 13.Qc3 (13.Bc3? Be2 14.Ke2 Rc8–+) 13...Be2 14.Ke2 Nbd7 (14...Nc6 15.Qb3=) 15.Ndc4= Qb5 16.a4 Qd5 17.f3 Rac8 18.Rhc1 Ne5 (18...Rfd8 19.e4 Ne4 20.fe4 Qe4 21.Qe3 Qg2 22.Qf2 Qe4 23.Qe3=) 19.de5 Nd7 (19...Rfd8 20.ef6 Bf6 21.e4+–) 20.Qd4 Rc6 (20...f6 21.Qd5 ed5 22.ef6 gf6 23.Nd2=) 21.Qd5+= ed5 22.Nd6 Ne5 (22...f6 23.Nf5 Bc5 24.ef6 gf6 25.Bd4+–) 23.Nf5+– Bf6 24.Be5 Rc1 25.Bf6 Rc2 26.Kd3 Rg2 27.Ne7 (27.Bd4 f6+= (27...Rh2?? 28.Rg1 f6 29.Rg7 Kh8 30.Rb7+–)) 27...Kh8+= 28.Be5 Rd8 (28...f6 29.Bc7+=) 29.Rc1+– f6 30.Bd4 a6 (30...Rh2 31.Rc7 h5 32.Nf5+–) 31.Rc7 b5 32.a5 h6 (32...Rh2 33.Ra7+–) 33.Ra7 Rh2 34.Ra6 Ra2 (34...Rd7 35.Nc6 h5 36.Ba7+–) 35.Ra7 b4 (35...h5 36.Kc3+–) 36.Nc6 (36.Bb6 Ra3 37.Kd4 Rb8+–) 36...Ra3 37.Kd2 Ra2 (37...Rd6 38.Nb4 h5 39.a6+–) 38.Kd1 Rc8 (38...Rd6 39.Nb4 Ra4 40.Bc5+–) 39.Nb4 Ra3 (39...Rg2 40.a6 h5 41.Rd7+– (41.Nd5?! Rcc2=)) 40.a6 (40.Nd5?! Rd8 41.Nf6 Re3=) 40...Rc4 41.Nd5 Rca4 (41...h5 42.Nf4 Rca4 43.Ra8 Kh7 44.a7+–) 42.Ra8 Kh7 43.a7 h5 44.Nc3 Rb4 (44...Rc4 45.Ke2 h4 46.Kf2+–) 45.Ke2 Rb2 46.Kd3 Rb7 47.Ke4 Ra5 48.Kf4 Rb3 (48...Rd7 49.Ne4+–) 49.Nd5! Rba3 (49...Rd5 50.Rh8 Promotion) 50.Ne7 Ra6 51.Kg3 R6a4 (51...R3a4 52.f4 Re6 53.Nd5+–) 52.Nc6 Rc4 (52...h4 53.Kh3+– (worse 53.Kh4 Re3 54.Rd8 Rea3+–)) 53.Rc8 Rca4 (53...Rc1 54.e4 Ra2 55.Rc7+–) 54.Rc7 Ra6 (54...Kh6 55.Ne7 Ra5 56.e4+–) 55.Ne7 R6a5 (55...R3a5 56.Kh4 Rg5 57.e4+–) 56.e4 R5a4 (56...Rg5 57.Kh2 Ra2 58.Kh3 Ra3+–) 57.Nf5 (57.Nf5 Kh8 58.Kh4+–) 1–0. Pierre – DonH, internet, 2019.

8.Nf3 Bd7 9.Nbd2 Nc6 10.Bd3 h6 11.0-0 0-0 12.c4 Qc7 13.Qc2.

8.Nf3 Bd7 9.Bd3 Nc6 10.Nc3 0-0 11.0-0 h6 12.h3 a6 13.Rb1.

8.Nf3 h6 9.Bd3 (9.Nc3 0-0 10.h3 Bd7 11.Bd3 Nc6 12.0-0 a6 13.e4; 9.h3 0-0 10.Bd3 Bd7 11.0-0 Nc6 12.Nbd2 Rac8 13.c4; 9.c4 0-0 10.Nbd2 Ng4 11.Bd3 Nc6 12.h3 Nf6 13.0-0; 9.Nbd2 Nc6 10.c4 Rb8 11.Bd3 0-0 12.0-0 Bd7 13.Qc3) 9...0-0 10.Nbd2 Nc6 11.c4 Bd7 12.0-0 Rac8 13.Qc2.

9.Nc3 Nc6 10.Bd3 Bd7 11.0-0 Rfe8 12.Qd2 h6 13.Rab1.

9.c4 Ne4 10.Bd3 f5 11.Nc3 dc4 12.Bc4 Nc6 13.Bd3.

9.Nbd2 Bd7 10.c4 Rc8 11.a4 dc4 12.Bc4 Nc6 13.Qb1 Na5 14.Be2 Nd5 (14...Rc7 15.0-0=+) 15.0-0= Rc7 16.Bd3 h6 17.Ba3 Ba3 18.Ra3 Qb1 19.Rb1 Rac8 20.Raa1 Nc3 Attacking the isolated pawn on a4 21.Rb4 Nd5 22.Rbb1 Nc3 23.Rb4 g5 24.g4 Nd5 25.Rbb1 ½–½. Marekt – Meyerlars, gameknot.com, 2020.

9.Bd3 Nc6 10.Nc3 Rb8 11.0-0 h6 12.Rb1 Bd7 13.e4.

9.Bd3 Bd7 10.a4 Nc6–/+ 11.0-0 Rfc8 12.Be2 Ne4 13.Nbd2 Nd2 (13...Nd6 14.Ba3=+) 14.Nd2 (14.Qd2 g6=) 14...Na5=+ 15.Bd3 f5 16.Qb1 Bb4 17.Nf3 Be8 18.Rc1 Nc4 19.Bc4 Rc4 20.Ne5 Rc7 21.c4 dc4 22.Nc4 Qa6 Attacks the isolani on a4 23.Ne5 Rac8 24.Rc7 Rc7 25.Nd3 Bf8 26.Ba3 Rc3 27.Bf8 Qd3 28.Bb4 Rc2 29.a5 (29.Ra2 Ra2 30.Qd3 Ra1 31.Qf1 Rf1 32.Kf1 Ba4=) 29...Bc6 30.Qf1 Qb3 31.Bd6 Qb2 32.Bg3 Qc3 33.h3 h6 34.Qd1 Kh7 35.Be5 a6 36.Qe1 Qb3 37.Qd1 Qb2 38.Bg3 Qc3 39.Qe1 Qc4 40.Kh1 g5 41.Kh2 Kg6 42.Qd1 h5 43.h4 f4 44.ef4 gf4 45.Bf4 Rf2 46.Qb1 Kg7 47.Be5 Kh6 48.Qc1 Qc1 49.Rc1 Rg2 50.Kh3 Ra2 51.Bc7 Ra4 52.Bb6 Ra3 53.Kh2 Ra2 54.Kh3 Kg6 55.Kg3 Rg2 56.Kf4 (56.Kh3!? Rg4 57.Rc3=+) 56...Rg4–/+ 57.Ke5 Bd5 58.Bd8 Re4 59.Kd6 Rd4 60.Rg1 Kf7 61.Bb6 (better 61.Ke5!? Ra4 62.Rg3–/+) 61...Rh4–+ 62.Rf1 Kg6 63.Bd8 Rd4 64.Ke5 Rd3 65.Rg1 Kf7 66.Bg5 (66.Kf4 Rd4 67.Kg5 Bf3–+) 66...Bc4 67.Bf6 (67.Bh6 Rd5 68.Kf4 Ra5 69.Rg7 Kf6 70.Rb7 e5 71.Ke3–+) 67...Rd5 68.Ke4 Kf6 0–1. yulio (2015) – glovio (2310), gameknot.com, 2015.

9.Bd3 Bd7 10.Nc3 Nc6 (10...Bc6 11.0-0=+) 11.0-0= Rfc8 12.Rb1 Na5 (12...Qa5 13.Re1=) 13.e4 (13.Ne5 Qc7=) 13...Nc4 Attacks the isolani on a3 14.e5 Ne4 (14...Ne8 15.Ba1 Qc6 16.a4=) 15.Bc4 Rc4 16.Ne4 de4 17.Nd2 Ra4 (17...Rd4? 18.Ba1 Qa6 19.Bd4+-) 18.Ne4 Bc6 19.Qe3 Qa6 20.f3 Rc8 (20...Rd8 21.Qf4=) 21.h3 (21.Qf4 h6+=) 21...b6 (21...Bd5 22.c3=) 22.Ra1 (22.Qf4 Rd8+=) 22...Qb5= 23.Rfb1 Qc4 24.Qf2 Bb7 25.c3 h6 26.Qg3 Kf8 27.Kh2 Ra5 28.Qe1 Kg8 29.Qg3 Qe2 30.Bc1 Be4 31.fe4 Kh7 32.Qe3 Qc2 Attacks the backward pawn on c3 33.Qe1 Kg8 (worse 33...Rc3 34.Bd2 Bh4 35.Qd1+=) 34.a4 Ra6 35.d5 Ra4 36.d6 Bf8 37.Ra4 Qa4 38.Bf4 Qc6 39.Rd1 a5 40.Qg3 Kh7 41.Qh4 Qd7 (41...Qe4? 42.d7 Rb8 43.Bg3 Qh4 44.Bh4+-; 41...Qc3?? 42.Rc1 Qc1 43.Bc1 Rc1 44.d7+-) 42.Qf2 Rb8 (42...b5 43.Qb2+=) 43.c4 a4 44.Be3 b5 45.cb5 Rb5 46.Qc2 Rb3 47.Bd4 (47.Qc7 Rb7 48.Qc4 Rb8+/-) 47...Qb5+= 48.Rc1 (48.Qf2 Qb7+=) 48...Rd3 (48...a3 49.Ba1+=) 49.Rb1+= Rb3 50.Rb3 ab3 51.Qd1 Qc4 52.Bb2 Qa4 53.d7 Be7 54.d8Q Bd8 55.Qd8 Qe4 56.Qd1 Qf4 57.Kh1 (better 57.Kg1 Qe3 58.Kf1 Qf4 59.Ke2 Qe4 60.Kf2 Qf4 61.Qf3 Qd2 62.Qe2 Qf4 63.Ke1 Qb4 64.Kd1+/-) 57...h5? (better 57...Qe3+=) 58.Qb3+- Qf1 (58...Qe4 59.Kh2+-) 59.Kh2 Qf4 60.Qg3 Qd2 61.Bc3 Qd5 (61...Qc2 62.Bb4+-) 62.Qg5 g6 63.Qf4 Qd3 (63...Kg8+-) 64.Qf7 (64.Qf7 Kh8 65.Bb4+-) 1-0. PierrE – DieGrande, internet, 2022.

9.Bd3 Bd7 10.Nbd2!?=.

7.c4 b6 8.cd5 Nd5 (8...ed5 9.Nf3=) 9.Nd2 (9.e4 Nc7=) 9...0-0 10.Ngf3 (10.e4 Nf4=) 10...Bb7 11.Bd3 Nd7 (11...Nc6 12.Rc1=) 12.0-0 (12.Rc1 N7f6=) 12...N7f6 (12...Rc8 13.Rc1=) 13.Rc1 Ng4 (13...a6 14.Nc4 Bc7 15.Nce5=) 14.Qe2 (14.Nc4 Be7+=) 14...Qe7 (14...Ngf6 15.Nc4+=) 15.h3 (15.Nc4 Bc7+=) 15...Ngf6= 16.Nc4 Bc7 17.a4 (17.Rc2 Rac8=) 17...Rfc8 18.Ra1 (18.Nce5 Nd7=) 18...Ne8 (18...Qd8 19.Rfc1=) 19.Rfb1 (19.a5 Nb4 20.Ba3 ba5=) 19...Qf6 (19...Nd6 20.a5 Nb4 21.Nd6 Qd6 22.e4 ba5 23.Ba3=+) 20.Ncd2 Nd6 21.Rc1 Nb4 22.Bb1 Ba6 23.Qd1 Bd3 24.Ba3+/– Bb1 25.Rab1 Nd5 26.Qf1?? Qg6 27.Rb2 Ne4= 28.Qd3 Bh2 29.Kh2+= Rc1 30.Qe4 f5? 31.Qd3?? Rc3–/+ 32.Qb5 Ra3 33.Qc6 Rf8 34.Ne5 Qe8–+ 35.Qc5?? Ra4 36.Nd7?? Nc3 37.Qc6 Rf7?? 38.Nf6!!+– gf6 39.Qe8 Kg7 40.Rb3 (40…Rc7 41.Rc3 Rc3 42.Qa4+–) 1–0. Donnert,Franziska – Kolbe,Jana, DVM U15 Girls, 1996.

7.c4 Bd7 8.c5 Bc7 9.Nf3 Nc6 10.Bb5 0-0 11.Bc6 (11.0-0 Rb8=) 11...Bc6+= 12.0-0 Ne4 13.Nc3 f6 14.a4 b6 15.cb6 Bb6 16.Ne1 Qd7 17.Nd3 Rab8 18.Ra2 Rfc8 19.Ne2 Qe8 20.f3 Nd6 21.Bc1 a5 22.Nb2 e5 23.Kh1 e4 24.f4 Bd7 25.Ra3 Bg4 26.h3?? (better is 26.Qd2–/+) 26…Qh5–+ (26...Qh5 27.Re1 Be2 28.Re2 Rc1 29.Qc1 Qe2–+) 0–1. onny555 (1880) – profdaum (2180), gameknot.com, 2012.

7.c4 Nbd7 8.Nc3 dc4 9.Nf3 Nb6=+ 10.e4 Be7 11.Bc4 Nc4=+ 12.Qa4 Bd7 13.Qc4 Rc8 14.Qd3 0-0 15.0-0= Bc6 16.Ne5 Bd6 17.Nc6 Rc6 18.f4 Bb8 19.Rf3 Rb6 20.Rb1+= Qd7 21.Rh3 Bf4? 22.e5+/– Be5 23.de5 Qd3 24.Rd3 Ng4 25.Rg3 Ne5+= 26.Na4 Rb5 27.Re1 Ng6 28.Bc3 Rb3 29.Nc5 Rb5 30.Nd3 Rb3 31.Bb4 Rd8 32.Ree3 Nh4 33.Ne1+= Re3 34.Re3 Nf5 35.Rd3 Rd3 36.Nd3 f6 37.Nc5+/– b6 38.Ne6 Kf7 39.Nf4 g5 40.Ne2 Ke6 41.Kf2 a5 42.Bc3 Nd6 43.Nd4 Kd5 44.Ke2 Nc4 45.Nc2 Ke4 46.Bf6+– g4 47.Bg5 h5 48.Bc1 b5 49.Ne3 Ne3 50.Be3 h4 51.h3 gh3 52.gh3 b4 53.ab4 a4?? 54.Bc1 a3 55.Ba3 (55...Ke5 56.b5+–) 1–0. Johnke,Stefan – Blankenburg,Mark, GER–ch U14 Willingen, 2001.

7.Nd2 Qa5 8.Ngf3 Ne4 9.Bd3 Nc3 10.Qc1 0-0 11.Nb3 Qc7 12.0-0 f5 13.Bc3 Qc3 14.Qd2 Qc7 15.Rfc1 Nc6 16.c4 Qe7 17.cd5 ed5 18.Nc5 h6 (18...f4!?=) 19.Qa2+= Qf7 20.Bb5 Ne7 21.Rab1 Kh8 22.Ne5 Be5 23.de5 f4 24.e4 b6 25.Na6 Qh5 (25...Ba6!? 26.Ba6 f3= (worse is 26...de4 27.Qf7 Rf7 28.Rc7+/–)) 26.Nc7+= Rb8 27.Nd5 (27.ed5 Qe5 28.Qb2 Qd6+=) 27...Qe5= 28.Ne7 Qe7 29.f3 Be6 30.Qb2 Rbc8 31.Ba6 Rc5 32.Qb4 ½–½. Farkas,Miso (2130) – Kovacevic,Slavko, Vrbas SER, Vojvodina 2nd League, 2011.

7.Bd3 Nc6 8.Nf3 0-0 9.Nbd2 Qc7 10.c4 +=.

7.Nf3 Nbd7 8.Bd3 Qe7 9.0-0 a6 (9...0-0 10.Nc3+=) 10.Qe2 (10.Nbd2 0-0+=) 10...e5= 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nd2 Ng4 (14...0-0 15.Nf3 Qc7 16.Rfc1=) 15.Nf3+= Qh5 16.h3 Ne5 17.Ne5 Qe5 18.e4 de4 (better 18...0-0+=) 19.Rfe1?? (better 19.Be4 Qe7 20.Qd3+/-) 19...f5=+ 20.f3 (20.Rab1 0-0 21.Bc4 Kh8 22.Qd2=+) 20...Qd4 (better 20...Be6!?-/+) 21.Kh1= 0-0 22.fe4 fe4 (22...f4 23.e5 f3 24.gf3+=) 23.Be4+= Qf6? (23...Qc5 24.Rad1+=) 24.Qh5?? (24.Rf1 Qe6 25.Rf8 Kf8 26.Rf1 Ke7 27.Qf2+-) 24...g6 (24...Bf5 25.Bb7 Rab8 26.Bd5 Kh8 27.c4+/-) 25.Qh6 (25.Qc5 Kh8+/-) 25...Bf5 (25...Rb8 26.Rf1 Bf5 27.Rae1+=) 26.Bf5 (better 26.Bb7!? Rad8 27.c4+/-) 26...Qf5= 27.Rf1 (27.Re7 Rf7 28.Rae1 Rd8=) 27...Qf1 (27...Qc2 28.Qe3 Qc4 29.Rf8 Rf8 30.Rd1-/+) 28.Rf1=+ Rf1 29.Kh2 Raf8 30.Qe3 R1f2 31.Qe6 R8f7 0-1. ZeruHmyz (2185) - luis_alfredop (2180), Rated Bullet game, lichess.org, 2015.

7.g3 0-0 8.Bg2 (8.c4 Qb6 9.Qc2 Qc6+=) 8...Nc6–/+ 9.Nd2 b5 10.Ne2 Na5 (10...Bb7 11.0-0–/+) 11.0-0+= Rb8 12.c3 (12.Bc3 Nc4+=) 12...Nc4 (12...Qc7 13.Rb1–/+) 13.Nc4 bc4 14.Qc2 Qa5 (14...Bd7 15.Rfb1+=) 15.Qc1 (15.a4!?+=) 15...Bd7–/+ 16.Qd2 Ba4 17.Nc1 (17.f3 Rb7–/+) 17...Rb7 18.Na2 Rfb8 19.Nb4 Qb5 20.Bf3? (better is 20.Rfb1–/+) 20...a5–+ 21.Na2 (21.Bc1 ab4 22.ab4–+) 21...Qb2 22.Qb2 Rb2 23.Bd1 (23.Nc1 e5–+) 23...Bb3 24.Nc1 Bd1 25.Rd1 Ne4 26.Na2 Nf2 (26...Nf2 27.Re1 Nd3–+) 0–1. Mennie,Alec Norman – Schuehler,Ernst, corr 3GMM–45, 1995.

8.Bd3 a6 9.Nge2 (9.Nf3 Nc6=) 9...b5 (9...Nc6 10.0-0=+) 10.0-0 (10.e4 de4 11.Ne4 Ne4 12.Be4=) 10...b4 (10...Nc6 11.g3=+) 11.Nb1 (11.ab4 Bb4 12.e4 Nc6+=) 11...ba3 (11...Nc6!?=+) 12.Na3= Nc6 13.Nb5 (better 13.c4+=) 13...Nb4?? (better 13...Be7 14.Nbc3 Nb4=) 14.Nd6+- Nd3 15.cd3 (15.Ba3 Nb2 16.Qb1 Nc4 17.Nc4 dc4 18.Bf8 Qf8+-) 15...Qd6 16.Ba3 Qd8 17.Bf8 Qf8 18.Ng3 (18.Qd2 Qd8+-) 18...Bd7 19.Qf3 (19.Qd2 Qd8+-) 19...a5 20.Ra2 Bb5 (20...Qb4 21.Rc1+-) 21.Rfa1 a4 22.h4 Qd8 (22...Qc5 23.Qe2+/-) 23.h5 (23.e4 Rc8+-) 23...g5 (23...Bc6!? 24.h6! Qf8+/-) 24.e4+- de4 25.de4 Qb6 26.Rd2 Bc6 27.Qe2 Qa5 (better 27...Rb8+/-) 28.Qf3 (28.Qe1 Be8 29.Nf5 Ra7+-) 28...Qa7+/- 29.d5 (29.Qd3!?+/-) 29...Bb7+= 30.de6 g4 (30...Kg7 31.Re1 Re8 32.Qg4+=) 31.Kh1+/- Re8 32.Qg4 Bd5?? (better 32...Ra8+/-) 33.Qh4+- (33.Qh4 Nd7 34.Nf5+-) 1-0. Amun (1765) - Jucetta (1705), lichess.org, 2016.

8.h3 Nc6 9.Nf3 a6 10.Be2 b5 11.0-0 Bd7 12.Re1 Qe7 13.Bf1 Rfc8 14.Qc1 (14.Bd3 Rab8=) 14...b4 15.ab4 Bb4 16.Rd1 (16.Ba6 Nd4 17.ed4 Rc3 18.Ne5= (worse is 18.Bc3 Bc3 19.Ra2 Bb5+=)) 16...Na5–/+ 17.Na4 Nb3! 18.Qb1 (18.cb3 Rc1 Pinning (18...Rc1 Deflection)) 18...Na1–+ 19.Qa1 Rc2 20.Nb6 Rb8 21.Nd7 Qd7 22.Ba6?? (better is 22.Bd3 Rc7 23.Qa6–+) 22...Ra8 23.Qb1 Qa4 (23...Ra6?! 24.Qc2 Qc6 25.Qc6 Rc6 26.Ne5=) 24.Bd3 (24.Bf1 Ne4 25.Bb5 Rb2 26.Ba4 Rb1 27.Rb1 Ra4 28.g3–+) 24...Rb2! 25.Qc1 (25.Qb2 Qd1 Discovered attack (25...Qd1 Deflection; 25...Qd1 Overloading)) 25...Qa2 26.Rf1 Qb3 27.Ne1 (27.Qc6 Qa3–+) 27...Be1 (27...Bd2!? 28.Qc6 Rba2 29.Bb5–+) 28.Re1 g6 29.Be2 (29.Qd1 Qc3 30.Qc1 Qb4–+) 29...Rc2 (better is 29...Raa2 30.Bf3 Rf2–+) 30.Bd1 (30.Qd1 Qa2 31.Bf3–+) 30...Rc1 31.Bb3 Re1 32.Kh2 Ne4 0–1. pillsbury (2165) – justforfun (2600), net–chess.com, 2015.

8.c5 Bc7 9.Nf3 Nc6 10.Bd3 e5 (10...Rb8 11.Nbd2=) 11.de5 Ng4 (11...Nd7 12.Qc2+=) 12.Qc2 (12.h3!? Nge5 13.Ne5 Ne5 14.Bh7 Kh7 15.Be5 Be5 16.Qh5 Kg8 17.Qe5+=) 12...h6= 13.Nc3 Nce5 (worse is 13...Be5 14.Rd1+=) 14.Rd1 Be6 15.Be4 Increasing the pressure on the isolated pawn on d5 15...Nc4 (better is 15...Nf6!?=) 16.Nd5+/– Ba5 17.Ke2 Nb2 18.Qb2 f5 19.Nf4 (better is 19.Bc2!? Rb8 20.Bb3+/–) 19...fe4+= 20.Ne6 (20.Rd8 Bc4 21.Rd3+–) 20...ef3 (20...Qf6 21.Qf6 Rf6+= (21...gf6?? 22.Nf8 Rf8 23.Nd4+–)) 21.gf3= (21.gf3 Qf6 22.Qf6 Rf6 23.Ng7 Ne3 24.fe3 Kg7 25.Rd7 Rf7 26.Rf7 Kf7 27.Rb1–/+). Begaj,Agron – Roussiere,Christophe (2105), EU–Cup, 2007.

8.c5 Bc7 9.Nf3 Nc6 10.Bd3 Re8 11.0-0 e5 12.h3?? e4-+ 13.Nh2 (13.Bc2 ef3 14.Qf3-+) 13...ed3 14.Qd3 Be6 (14...Ne4 15.Nc3-+) 15.Nd2 Qd7 16.Nhf3 Ne4! 17.Ne4 de4 18.Qe4 Bc4 (18...Bh3 19.Qh4 Bg2 20.Kg2-+) 19.Qg4 (19.Qc2 Bf1 20.Rf1-+) 19...Bf1 (better 19...f5 20.Qh5 Bf1 21.Rf1 Rad8-+) 20.Qd7+- Be2 (20...Re7 21.Qf5 Bc4+-) 21.Qc7 Bf3 22.gf3 Rab8 (22...Re7 23.Qg3 f6 24.d5+-) 23.d5 Re7 (23...Ne7 24.d6 Ng6+-) 24.Qg3 Ne5 25.Be5 Rbe8 26.Qg7 1-0. Bendega (1945) - slicly (1960), lichess.org, 2020.

8.c5 Bc7 9.f4 Ne4 10.Nf3 Nd7 11.Bd3 Ndf6 12.0-0 b6 13.cb6 Bb6 14.Qb3 Rb8 15.Qa2 Bd7 16.a4 Re8 17.Ne5 a5 18.Nc3 Nd2 19.Rf2 Nfe4 20.Be4 Ne4 21.Ne4 de4 22.Nc4 Bc7 23.Na3 Rb4 24.Nb5 Bb5 25.ab5 Rb5 26.Ba3 Qb8 27.Bc5 Rc8 28.h3 h6 29.Kh2 Bd8 30.Qa3 Rc7 31.Bd6 Rb3 32.Bc7 Ra3 33.Bb8 Ra1 34.Bd6 Bf6 35.Be5 Be7 36.Rc2 Bb4 37.Rc8 Kh7 38.Rc7 Kg6 39.Ra7 f6 40.Bc7 a4 41.Bd6 Bd6 42.Ra6 Bb4 43.d5 ed5 44.f5 Kf5 45.g4 g5 46.Kg3 Bd2 47.h4 Be3 48.h5 Kg6 49.Kh3 f5 50.Kh2 fg4 Time forfeit 0-1. Litium (2170) - TotalPatzer (2210), Rated Bullet game, lichess.org, 2015. (=1.a3 e6 2.b4 d5 3.Bb2 c5 4.bc5 Nf6 5.e3 Bc5 6.d4 Bd6 7.c4)

8.c5 Be7 =+.

8.Nd2 Qa5 =.

8.Nd2 b6 9.Bd3 Bb7 10.Ngf3 Nbd7 11.0-0 Qe7 (11...Rc8 12.Rc1=) 12.cd5 ed5 (12...Nd5 13.Ne4=) 13.Qb3 (13.Nh4 g6=) 13...Ne4 14.Rfc1 (14.Rac1 Rfc8=) 14...Nd2 (14...Ndf6 15.Nf1=) 15.Nd2+= f5 (15...Rfc8 16.Bc3+=) 16.Rc2 (16.Bc3 a5+=) 16...Kh8 (16...Rf7 17.Re1+=) 17.Nf3 f4 (17...Rae8 18.Bb5+=) 18.ef4 (18.Re1 fe3 19.Re3 Qf7+=) 18...Bf4 19.Re1 White gets strong initiative 19...Qf7 20.Bb5 (20.Bc1 Bd6+=) 20...Nf6 21.Ne5 Qh5 22.g3 Be5 23.de5 The passed pawn on e5 quickly leads to threats 23...Ne4 24.f4 Nc5 (24...Qf7 25.e6 Qe7 26.Bd4+=) 25.Qe3 a6 (25...Qg6 26.Rec1+=) 26.Be2 (26.Bf1 Qg6 27.Rcc1 Rae8+/–) 26...Qf5 (26...Qg6 27.Rec1+=) 27.Rec1 Qg6 28.Bd4 Ne6 29.Bd3 Qg4 30.h3 (worse is 30.Bb6 Nf4 31.Bf1 Ne6+=) 30...Qh5 31.Kh2 b5 32.f5 Nd4 33.Qd4 Rac8 34.Rc8 Rc8?? (34...Bc8 35.e6 Rg8+–) 35.Rc8+– Bc8 36.Qd5 Do you see the mate threat? 36...Qg5 37.Be4 The mate threat is Qd6 37...h5 (37...Qe7 38.e6 h6 39.Qc6+–) 38.h4 (38.Qd6 Kh7 39.f6 Bf5+–) 38...Qe3 (38...Qe7 39.e6 Qe8 40.Qc6+–) 39.e6 Qe2 40.Bg2 Kh7 41.Qc6 Qc4 (41...Be6 42.fe6 b4+–) 42.e7 (42.e7 Qc6 43.Bc6 Bf5 44.e8Q+–) 1–0. Rohde,Friedhelm – Svensson,Jan, corr 3GMMsemi–04, 1998.

8.Nd2 b6 9.Bd3 Nc6 10.Ngf3 =.

8.Nd2 Nc6 9.Bd3 =.

8.Nf3 a6 9.c5 Bc7 =.

8.Nf3 a6 9.Nbd2 b6 10.Ne5 =+.

8.Nf3 a6 9.Nbd2 dc4 10.Nc4= Bc7 11.a4 (11.Rc1 b5 12.Nce5 Ba5 13.Nd2 Ne4+=) 11...Bd7 (11...Nc6 12.Bd3=) 12.Bd3 b5 13.ab5 Bb5 14.0-0 (14.Nb6 Bb6 15.0-0 Qd5–+) 14...Nc6 (14...Qd5 15.Nfe5=) 15.Ba3 Re8 16.Qc2 Qd5 (16...e5 17.de5 Bc4 18.Bc4 Ne5 19.Be2+=) 17.Rfc1 Rac8 (17...Rec8 18.Bc5+=) 18.Bc5 Red8 19.Nb6 (19.e4 Qd7+=) 19...Bb6= 20.Bb6 Re8 (20...Nd4 21.Qc8 Nf3 22.gf3 Qg5 23.Kh1 Rc8 24.Rc8 Be8 25.Ra6+/–) 21.Bb5 (21.Bc5 Nb4 22.Bb4 Rc2 23.Bc2 Rb8+=) 21...ab5 22.Qb2 (22.Ne5 Nd4 23.Qc8 Ne2 24.Kh1 Nc1 25.Qc1 Qe5–/+) 22...Ne4 23.Nd2 (23.Bc5 A) worse is 23...Nc5 24.Rc5 (24.dc5?! b4=) 24...Qe4 25.Qb5+/–; B) 23...Rb8=) 23...Nd2 24.Qd2 Rb8 25.Ra6 (25.Bc7 Rb7 26.Rc5 Qd7=) 25...Rec8 26.h3 (26.Rca1 e5=) 26...b4 27.Rc5 Qd7 (27...Qe4 28.Ba7 Na7 29.Ra7=) 28.Qa2 Qb7 29.Qa4 h6 (29...b3 30.Rb5+=) 30.Rb5 Exerts pressure on the isolated pawn 30...Ne7? (better is 30...Qe7!?=) 31.Ra7+/– Rc1 32.Kh2 Qc6 33.Rc5 (33.Rb4 Nd5 34.Bc5 Nb4 35.Bb4 Qa4 36.Ra4–/+) 33...Qa4+= (worse is 33...Rb6 34.Rc6 Nc6 35.Ra8 Kh7 36.Ra6 Ra6 37.Qa6+=) 34.Ra4 Rc5 35.Bc5 b3?? (35...Nc6+=) 36.Ra1?? (36.Be7 b2 37.Bd6–+) 36...Nd5 (36...b2 37.Rb1 Nd5 38.Ba3+/–) 37.Ba3 (better is 37.Rb1–/+) 37...b2+/– 38.Rb1 Rb3 39.Bb2 Nb4 40.e4 Nd3–+ 41.d5 ed5 42.ed5 Rb2 43.Rb2 Nb2 44.Kg3 Kf8 45.Kf4 Ke7 46.Ke5 Nd3 47.Kd4 Nf4 48.Kc5 Kd7 49.Kd4 Ng2 50.Ke5 Nh4 51.Kd4 Kd6 52.Ke4 Ng6 (52...Ng6 53.Kf5 Kd5–+) 0–1. Rosner,Dirk – Huber,Alfred, DESC, 2001.

8.Nf3 dc4 9.Bc4 a6 10.Bd3 =.

8.Nf3 dc4 9.Bc4 a6 10.Ne5 =.

8.Nf3 dc4 9.Bc4 b6 10.Nbd2 Bb7 11.0-0 Nbd7 12.Qc2 Rc8 13.Qd3 Rc7 14.Rac1 Qa8 15.Qb1 Rfc8 16.Bd3 h6 17.Rc7 Rc7 18.Rc1 Rc1 19.Qc1 a6 20.Qc2 b5 21.e4 Be7 22.Ne1 Qd8 23.Nef3 Qa5 24.Nb3 Qb6 25.Nfd2 Nh5 26.Bf1 Bf8 27.g3 Nhf6 28.Bd3 Be7 29.e5 Nd5 30.Bh7 Kh8=+ 31.Be4 a5 32.h4 a4 33.Nc1 b4 34.ab4 Qb4 35.Nd3 Qb5 36.Qc1 Nb4 37.Nf4 Be4 38.Ne4 Qc6 39.Qc6=+ Nc6 40.Nd6 Bd6 41.ed6 Na5 42.Ba3 Nc4 43.Bb4 a3 44.Nd3 Kg8 45.Nc5 a2 46.Bc3 Ncb6 47.Kf1 Kf8 (48.Ke2 g5–/+) 0–1. Schulz,Hans_Juergen – Herrchen,Ralf, TT–17.25 ETC, 2005.

8.Nf3 dc4 9.Bc4 b6 10.Nbd2 Bb7 11.0-0 Ne4 12.Ne4 Be4 13.Bd3 Bd3 14.Qd3 Nd7 15.a4 Qc7 16.Rfc1+= Qb7 17.Ba3 Ba3 18.Ra3 Rac8 19.Rac3 Nf6 20.Qc2 Rc3 21.Qc3 Nd5 22.Qc2 b5 23.ab5 Qb5 24.Rb1 Qa6= 25.Ng5 g6 26.Ne4+/– Rc8 27.Nc5 Qc6 28.Ra1 Ra8 29.Qd2 Qb6 30.Na6 Nc7 31.Nc5 Qb5 (31...Nd5!?=) ½–½. Schulze,H – Firla,E, Bayernliga, 2003.

8.Nf3 Nc6 9.Nbd2 =.

8.Nf3 Qc7 9.cd5 Nd5 10.Bd3 Nd7 11.Nbd2 Re8 12.0-0 Nf8 13.Rc1 Qb8 14.Ne4 Bd7 15.Nd6 Qd6 16.Ne5 Ng6 17.Nd7 Qd7 18.Qb3 Rec8 19.Bb5 Qd6 20.a4 Qd8 21.Ba3 Nge7 22.Rfd1 a6 23.Bd3 Nc6 24.Qb1 h6 25.Rd2 Qa5 26.Rdc2 Rc7 27.Bd6 Rd7 28.Bg3 Ndb4 29.Rc5 Qa4 30.R5c4 Qa3 31.R1c3 Qa5 32.Be2 Rad8 33.Qb2 Nd5 34.Rb3 Qe1 35.Bf1 Na5 36.Rc1 Nb3 37.Re1 Na5 38.Rc1 b6 39.e4 Nf6 40.e5 Nd5 41.Ba6 Ra7 42.Bd3 Rad7 43.Be4 Rb8 44.f3 Rdd8 45.Be1 Kh8 46.Rb1 Kg8 47.Ba5 ba5 48.Qb8 1–0. Wagle,Marina – Saur,Michael, Schwaebisch Gmuend, 2001.

8.Nf3 Bd7 9.Nc3 Bc6 10.c5 Bc7 11.Bd3 Ne4 12.0-0+= Qf6 13.Qc2 Nc3 14.Bc3 Qh6 15.a4 f5 16.Bb5 Nd7 17.Bc6 bc6= 18.Rfb1 Rf7 19.a5 Nf6 20.a6 f4 21.ef4 Ne4 22.Rb7 Bf4 23.Rf7 Kf7 24.h3 Rf8 25.Rb1 Kg8 26.Be1 Ng5 27.Ng5 Qg5 28.Rb7 e5 29.Qe2 Ra8 30.g3 e4= 31.Kh2 Bc1 32.Qc2 h5? 33.Rb1+– Bf4 34.gf4 Rf8?? 35.fg5 (35...Kh7 36.Qa4+–) 1–0. Schulz,Hans_Juergen – Baer,Werner, TT–17.19 ETC, 2005.

8.Nf3 Bd7 9.Nc3 Nc6 10.c5 Be7 11.Bd3 =.

8.Nf3 Bd7 9.c5 Be7 =.

8.Nf3 Nbd7 9.Nbd2 b6 10.Bd3 Ba6 11.0-0 Rc8 12.Rc1 Qe7 13.Qa4 Bc4 (13...Nb8 14.Qb3=) 14.Nc4+= dc4 15.Rc4?? (15.Bc4 Rfd8+=) 15...Rc4?? (better 15...b5 16.Qb5 Rb8-+) 16.Qc4 (16.Bc4 Rc8+=) 16...Nd5 (better 16...Ba3!? 17.Ba3 Qa3=+) 17.Ra1 h6 18.e4 Nf4 19.e5 (19.Bf1 Rd8+=) 19...Bb8 (19...Nd3 20.Qd3 Bb8 21.Bc3=) 20.g3 (better 20.Be4!?+/-) 20...Nd3= 21.Qd3 Rc8 (21...f6 22.Qg6=) 22.a4 (22.Rc1 Rd8 23.Qb5 f6=) 22...Qb4 23.Qa6 (23.Ra2 Qc4 24.Qc4 Rc4=) 23...Rc7 (better 23...Rc2 24.Rb1 Qb3-/+) 24.Ba3? (better 24.Rb1=+) 24...Qc3-+ 25.Qf1? (25.Rc1 Qa3 26.Rc7 Bc7 27.Kg2-+) 25...Qf3 26.Bd6 Rc8 27.Qa6 (27.Rc1 Rc1 28.Qc1 Bd6 29.ed6 Qd5-+) 27...Rc2 28.Rf1 Bd6 29.ed6 Qc6 (29...Qa8 30.a5-+) 30.Qa7 Qd6 31.Qa8 Nf8 32.Qe4 (32.Rd1 Rc4-+) 32...Rc4 33.Rd1 Ra4 34.Qc2 (34.Qe5 Qd5-+) 34...Rd4 35.Rd4 Qd4 36.Qb1 (36.Kf1 b5-+) 36...Qc5 (36...e5 37.h3-+) 37.Qd3 (37.Kf1 b5-+) 37...b5 38.Kf1 Qc4 (38...b4 39.f4-+) 39.Qc4 bc4 40.Ke2 Nd7 41.Kd2 Nb6 42.Kc3 Kf8 43.f4 Ke7 44.h4 (44.Kd4 Kd6-+) 44...h5 45.Kc2 Kf6 0-1. OnlyPolishOpening (1800) - ldr_andre_1971, lichess.org, 2020.

9.Nc3 a6 10.cd5 ed5 11.Ne5 Bb7 12.f4 Nc6 13.h4 (13.Bd3 Re8=+) 13...Rc8 14.Qf3 Attacks the isolani on d5 14...Na5 15.g4 (15.Bd3 Rc7-/+) 15...Nb3 (15...Ne4 16.Na2-+) 16.Ra2 (16.Rb1 Ba3 17.Ba3 Rc3-/+) 16...Ne4 17.Ne4 de4 18.Qd1 Be5 19.fe5 Qd5 20.Rh2 f6 21.ef6 Rf6 22.Rc2?? (22.Rf2 Rf2 23.Kf2-+) 22...Qa5 23.Ke2 Qb5 (23...Qb5 24.Rc4 Qc4 25.Qd3 Qd3 26.Ke1 Rf1; 23...Rc2 24.Qc2 Qb5 25.Qd3 Qd3 26.Ke1 Rf1) 0-1. Williams,Barry - Lim,Benjie, NZL New Zealand Waitakere Trust Open, 2002.

9.Nbd2 Nc6 10.Rc1 Bb7 11.Bd3 =.

9.Nbd2 Qe7 10.Be2 (10.Bd3 Ba6=) 10...Nbd7 (10...Bb7 11.0-0=) 11.0-0 Bb7 12.Ne5 (12.cd5 Nd5 13.Nc4 Bc7=) 12...Rfd8 (12...Rfc8 13.f4=) 13.Qa4 (13.Qb3 Rac8=) 13…Nf8 (13...Nf8 14.f4 a6=; 13...a6 14.Nc6 Bc6 15.Qc6–/+). Englisch,Berthold – Zinkel, Vienna, 1895.

9.cd5 ed5 10.Be2 (10.Nc3 Ba6=) 10...Ba6+= 11.Nc3 Be2 12.Qe2 Nc6 13.0-0 Rc8 14.Rac1 (14.Rfc1 Qd7=) 14...Qd7 15.Nb5 Bb8 16.Ne5 Qb7 (16...Ne5 17.de5 Ng4 18.Rc8 Rc8 19.f4 Ne3 20.Na7 Ba7 21.Qe3+=) 17.Rc6 Rc6 18.Nc6 Qc6 19.Rc1 Qd7 20.a4 Rc8 21.Rc8 Qc8 22.f3 (22.Qd3 Ng4 23.h3 Nf6=) 22...Qc6 (22...Qd7 23.Qd3=) 23.Qd3= h5 24.g3 (24.Ba3 h4=) 24...g6 (24...h4 25.gh4 Qe6 26.Ba3=) 25.Kg2 (25.Ba3 h4 26.gh4 Kh7=) 25...h4 26.g4 (26.gh4!? a6 27.Nc3=) 26...a6–/+ 27.Nc3 Qd6 Threatening mate: Qxh2 28.f4 Ng4 29.h3 Qe6 (29...Qb4 30.Ba1 Qc4 31.Qc4 Ne3 32.Kf3 Nc4 33.Nd5+=) 30.hg4 (30.Bc1 Nf6 31.Qa6 Ne4+=) 30...Qg4 31.Kf1 Qf3 32.Kg1? (better is 32.Ke1 h3 33.Qe2 Qe2 34.Ne2=) ½–½. Brants,Jefim – Braeu,Ludwig, Wch Seniors Gladenbach, 1999.

9.Ne5 =+.

8.Qc1 Qa5 9.Qc3 =.

8.Qc1 Qc7 9.c5 =.

8.Qc1 Qc7 9.cd5 Qc1 10.Bc1 ed5 11.Bd3 =.

8.Bc4 b6 9.Nf3 Bb7 10.Nbd2 Nbd7 11.0-0 Rc8 12.Rc1 0-0 13.Re1 a6 14.e4 Be7 (14...Bf4 15.Bd3=) 15.Qe2 (15.a4 Re8+=) 15...b5= 16.Bd3 Qa5 Black prepares b4. Exerts pressure on the isolated pawn 17.Kh1 Ba3 (17...Rfd8!?=) 18.Ra1+= b4 19.Nc4 Qa4 (better 19...Rc4!? 20.Bc4 Be4+=) 20.Na3+/- ba3 21.Ba3 Rfe8 22.Bb2 (22.Bd6 Qc6 23.Ba6 Ra8 24.Bb7 Qb7+/-) 22...Qb4 23.Reb1 Rb8 (23...Qb6 24.Ne5+/-) 24.Ba3 Qc3 25.Bb4 (25.Bd6 Rbc8+-) 25...Qc7+/- 26.e5 Bf3 27.gf3 (27.Qf3!? Nd5 28.Bd6 Rb1 29.Rb1+/-) 27...Nd5= 28.Bd6 Rb1 29.Rb1 (29.Bb1 Qc1 30.Qd1 Qd1 31.Kg2 Nf4 32.Kg3 Ne2 33.Kh3 Qf1 34.Kh4 Qf2 35.Kg5 h6 36.Kg4 Qg2 37.Kh4 g5 38.Kh5 Qh3) 29...Qc3 30.Qe4 (30.Qd1!?=) 30...f5=+ 31.ef6 N7f6 32.Qe2 Qd4 33.Rb8 (33.Be5!? Qh4 34.Ba6=+) 33...Rb8-/+ 34.Qe6?? (better 34.Bb8 Qb6 35.Be5-+) 34...Kh8-+ 35.Bb8 Qd3 36.Kg2 (36.Qc8 Ng8 37.Kg2 Qg6 38.Qg4 Qc6-+) 36...Qg6 37.Kf1 0-1. Williams,Barry - Hipango,Waata, NZL Wanganui Chess Club A-Grade Championship, 2002.

8.Bc4 Qb6 9.Qc2 Nc6 10.Nf3 Bd7 11.Nbd2 Na5 12.Bd3 Rc8 13.Bc3 Nd5 14.Ne4 f5 (worse is 14...Nc3 15.Nc3 Be7 16.Ne5=) 15.Nd6 Qd6 16.Ne5? (better is 16.Ba5 Rc2 17.Bc2–/+) 16...Rc3–+ 17.Qe2 0-0 18.0-0 Rfc8 19.a4 0–1. Zhukov,Vladimir (1940) – Krivobokov,Sergei (2140), Tula CC–ch, 2007.

8.Bc4 Nc6 9.Nf3 (--> 6.Nf3 Nc6 7.d4 Bd6 8.c4 dc4 9.Bc4).

9.Nc3 a6 10.Nge2 Nbd7 11.0-0 (11.Qb3!?+=) 11...Qc7–/+ 12.Bd3 Bh2 13.Kh1 Bd6 14.Qc2 (14.e4 e5–/+) 14...e5 (14...Qa5 15.Nf4–/+) 15.d5 (15.Rfc1!?–/+) 15...Nc5 16.e4 Nd3 17.Qd3 Nd7 18.Rfc1 Nc5 19.Qc2 f5 20.f3 Bd7 21.Qd2? (better is 21.Rab1–+) 21...Nb3 22.Qg5 Rf6 (22...Rf6 23.Nb5 Qb6 (23...Bb5?! 24.Rc7 Bc7 25.Ng3–/+) 24.Nd6 Qd6–+ (worse is 24...Rd6 25.Be5 Rh6 26.Bh2–+; 24...Nc1?! 25.Be5 Rh6 26.Qh6 gh6 27.Rc1–/+)) 0–1. Kostic,Stefan – Milanovic,Nemanja, SCG Festival U14, 2006.

9.Ne2 b6 10.0-0 Qc7 11.Qb3 Bh2 12.Kh1 Nc6 13.Bb5 (13.g3 Ng4 14.Nf4 h5 15.Be2 Bb7 16.Bg4 Bg3 17.fg3 hg4 18.Kg1 Nd4 19.Bd4 Qc6+=) 13...Bb7 14.Rc1 Ng4 15.f4 Qd8 16.Bc6 (16.g3 Bg3 17.Ng3 Qh4 18.Kg2 Qh2 19.Kf3 Nce5#) 16...Qh4 17.Bb7 Nf2 0–1. Ripoll Cardell – Rodriguez Alonso, corr ch E, 1985.

9.Ne2 Nbd7 10.0-0 (10.Nbc3 A) 10...a6 11.a4 b6 12.Ba3 Ba3 13.Ra3 Bb7 14.0-0 Rc8 15.Qb3 Qe7 16.Bd3 e5=; B) 10...e5 11.Qc2 (11.Nb5 Bb8 12.de5 Ne5 13.Qd8 Rd8 14.Be5 Be5 15.Nbd4 Bd7 16.Rb1 Rac8+=) 11...ed4 12.Nd4 Ne5 13.Be2 Bg4 14.Rd1 Qa5 15.Nb3 Qc7 16.f4 Ng6+=; C) 10...Nb6 11.Bd3 Bd7= 12.e4 e5 13.de5 Be5 14.f4 Na4 15.Rb1 Nb2 16.Rb2 Bc3=) 10...Nb6 (10...Qc7!? 11.Bd3 Bh2 12.Kh1 Bd6–/+ 13.Nbc3 a6 14.e4 e5 15.Rc1 Qd8 16.f4 Ng4–/+) 11.Bd3= Bd7 12.e4 Be7 13.Nbc3 Rc8 14.Kh1 (14.Qc2 e5 (14...h6= 15.Qb3 Bc6 16.Rfc1 Re8=) 15.Rac1 Na4 16.de5 Ng4=) 14...Nc4 15.Bc4 (15.Qc2 h6 (15...Nb2 16.Qb2 Bc6=) 16.Rfc1 b5=) 15...Rc4+= 16.f4 (16.Qd3 Qc7+=) 16...Bc6 (16...Qb6 17.Rb1+=) 17.e5 (17.Qd3!? Rc5 18.a4=) 17...Nd5+= 18.Qd3 b5 19.Rac1 (19.f5 ef5 20.Rf5 Nc3 21.Bc3 Qd5+=) 19...Nc3–/+ 20.Bc3 (20.Rc3!? Qd5 21.Rf3–/+) 20...Qd5–+ 21.Qg3 Ba3 22.f5? (better is 22.Ra1 b4 23.f5–+) 22...Bc1 23.Nc1 (23.Rc1 ef5 24.Nf4–+) 23...Rc3 24.Qc3 Qg2 0–1. OlegSupermen – Sim1, ChessWorld.net, 2010.

9.Nf3 Qa5 10.Nbd2 Qf5 (10...Nc6 11.0-0=) 11.Qe2 Qc2 12.Rb1 Nd5 13.Bd3 Qc7 14.Nc4 Be7 15.0-0 Nc6 (15...b5 16.Ncd2 a6 17.Rfc1+=) 16.Rfc1 f6 17.Qc2 g6 18.g3 Nd8 19.e4 Nb6 20.Nb6 Qb6 21.Bc3 Qc6 22.Bb5 Qb6 23.Qa4 a6 24.Bc4 (24.Bb4 Bb4 25.Rb4 Qd6+/–) 24...Qc7 (24...Qc6 25.Qc6 Nc6 26.d5+/–) 25.Bb4 Nc6 26.Be7 Qe7 27.Rb6 Kg7 28.Qb3 Na5 29.Qb2 Rd8 30.Ba2 h6 31.d5 ed5 32.ed5 g5? (better is 32...Bg4+–) 33.Re1 Qe1 (33...Qf7 34.Qb4 Re8+–) 34.Ne1 Rf8 35.Qc2 (35.Qb4 Re8+–) 35...Rf7 36.d6 Rf8 37.Qc7 Kh8 1–0. Over_Rated (2340) – khmcrafty (2365), ICC, 2003.

9.Nf3 b6 10.0-0 Bb7 11.Nc3 Nbd7 12.d5 (12.Nb5!? Be7 13.Bd3+=) 12...ed5= 13.Nd5 Rc8 14.Ba2 Rc5 15.Nb4 (15.Nf4 Qb8+=) 15...Qc7 16.h3 Ne5 17.Nd4 a5 (17...Qd7 18.f4 Nc4 19.Bc4 Rc4 20.Qd3+=) 18.f4+= Ne4 (18...Qe7 A) 19.fe5 Qe5 20.Nf3 Qe3 (20...Qb2?! 21.Nd3 Qb5 22.Nc5 Bc5 23.Nd4+=) 21.Rf2 A1) 21...ab4 22.Bd4 (22.Qd6?? Qf2 23.Kf2 Ne4 24.Kg1 Nd6–+) 22...Qf4 23.ab4–/+; A2) 21...Bg3–+; B) 19.Qe2 Ng6 20.Nd3=) 19.Nd3 (better is 19.Ne6 fe6 20.fe5 Rf1 21.Qf1+/–) 19...Nd3–/+ 20.Qd3 Rh5 (20...Ng3 21.Rfc1+=) 21.Qd1 (better is 21.Nb5!? Qc6 22.Nd6 Nd6 23.Rf2=) 21...Rh6+= 22.Nf5 Rg6 23.Nh4 Rg3 24.Rf3 Rf3 25.Qf3 (25.Nf3 Bc5 26.Nd4 Rd8+=) 25...Qc2–/+ 26.Bd4 Bc5 (26...Ba3? 27.Qg4 g5 28.Nf5+–) 27.Be5 Bc8?? (better is 27...g6–/+) 28.Bb1= Qc1 Attacking the backward pawn on e3. The isolani on a3 becomes a target 29.Kh2 Qe1 30.Be4 Qh4 31.a4 Qe7 32.Rd1 Be6 33.Bd5 Bd5 34.Qd5 Re8 (worse is 34...Be3 35.Bd6 Qd7 36.Bf8 Qd5 37.Rd5 Kf8 38.Kg3+–) 35.e4 Kf8 36.Qc6 f6 37.Rd7 (37.Bd4!?=) 37...Qe6–/+ 38.Bd6 Bd6 39.Rd6 Qe4 40.Qe4 Re4 41.Rb6? (better is 41.f5!?–/+) 41...Rf4–+ 42.Ra6 Ra4 43.Kg3 Kf7 44.h4 Kg6 45.Ra7 Ra3 46.Kh2 Ra2 47.Kg3 a4 48.Kf4? (48.Ra6 a3–+) 48...a3 (48...Rg2 49.Ra4 Kh5 50.Kf5–+) 49.g4?? (49.Kf3–+) 49...Ra1 50.g5 (50.h5 Kh6 51.Kg3–+) 50...a2 51.Kf3 (51.gf6 gf6 52.h5 Kh5 53.Rh7 Kg6–+) 51...Rf1 52.Kg4 Rg1 (52...Rg1 53.Kf3 a1Q 54.Ra1 Ra1 55.gf6 Ra3 56.Ke2 Kf6–+) 0–1. Skalozubov,Alexander – Gajewski,Grzegorz (2125), Ol (Children), Artek UKR, 1999.

9.Nf3 Nc6 10.0-0 a6 11.h3 (11.Ne5 Qc7 12.f4 b5=) 11...b5 12.Be2 Bb7 13.Nc3 Rc8 14.Rc1 Re8 15.Re1 Ba8 16.d5 ed5 17.Nd5?? Nd5–+ 18.Kh1 Be7 0–1. KHW – artfuldodger, ChessWorld.net, 2002.

9.Nf3 Qc7 10.Qe2 (10.Nbd2 Bd7=) 10...a6 (10...Nc6 11.e4 Na5 12.Bd3+=) 11.0-0 (11.Bd3 b5=) 11...b5 12.Bd3 Bb7 13.e4 (13.Rc1 Nc6=) 13...Be7 (13...Nh5 14.g3=) 14.Nbd2 (14.a4 b4=) 14...Nc6 15.Nb3 (15.Rfc1 Qf4=) 15...Rfd8 (15...Nh5 16.g3=) 16.Rfc1 Qd7 (16...Nh5 17.g3+=) 17.Nc5+= Bc5 18.Rc5 Qe7 19.Rg5 White prepares the advance e5 (19.Rac1 Rac8+=) 19...h6= 20.e5?? (better is 20.Rg3=) 20...hg5–+ 21.ef6 gf6 (21...Qf6 22.d5 Qf4 23.dc6 Bc6 24.Ne5+–) 22.Nd2 (22.a4 Nb4 23.Ba3 Qd7 24.Bb4 Bf3 25.Qf3 Qd4–+) 22...Kf8 (22...Nd4 23.Qh5 Nf5 24.Ne4 Be4 25.Be4–/+) 23.Qh5 Ke8 24.Ne4 Nd4 25.Qh8 Kd7 26.Nf6–/+ Kc7 27.Ne8 Re8 28.Qd4–/+ Qd6 29.Rc1 Kd7–+ 30.Qe3 Qd5 31.f3 Rac8 32.Rd1–/+ Ke7 33.Be2 Qc5 34.Bd4 Qf5 35.Be5 f6?? 36.Bd6+/– Kf7 37.Bd3?? Rc3 38.Qe2 Rd3!–/+ 39.Rd3 Rd8 40.Qe3 e5 41.Rd2 Qe6 42.Qb6 Rd7 43.Qc5 ½–½. Kotlowski,Tomasz (1935) – Zygmunt,Piotr (2000), ch–Gdansk, Gdansk Poland, 2007.

9.Nf3 Nbd7 10.Ne5 (10.0-0 b6=) 10...Nb6 (10...Qc7!?+=) 11.Bb3 Be7 (11...Bd7 12.Nc3=) 12.Bc3 (12.Qf3 Nfd7=) 12...Nbd7 13.0-0 Ne5 14.de5 Nd7 15.Bd4 b6 16.Nc3 (16.Qh5 Bb7=) 16...Bb7 (16...Ba6 17.Re1=) 17.e4 (17.Bc2 Rc8=) 17...Nc5 18.Bc5 (better is 18.Bc2!?+=) 18...Bc5–/+ 19.Qd8 Rfd8 20.Rfd1 (20.Rad1–/+) 20...Rd4 (better is 20...Bd4 21.Rd4 Rd4–/+) 21.Rd4? (better is 21.Nb5 Rd1 22.Rd1 Be4 23.a4–/+) 21...Bd4–+ 22.Rc1 Rc8 23.Ne2 Be5 (better is 23...Rc1!? 24.Nc1 Be5–+) 24.Rc8–/+ Bc8 25.a4 Ba6 26.Ng3 (26.Bd1 b5 27.f4 Bd6–+) 26...Bd3 27.f3 Bd4 28.Kh1 g6 (28...b5 29.f4–+) 29.Bd1 b5 (29...e5 30.Be2 Bc2 31.Bb5–+) 30.ab5? (better is 30.Be2 Be4 31.Ne4 ba4 32.Bc4+=) 30...Bb5–+ 31.Ne2 Bg7 32.Nc1 (32.Kg1 a5–+) 32...a5 33.Bb3 (33.Bc2 a4–+) 33...a4 34.Ba2 (34.Bc2–+) 34...Bb2 35.Nb3 ab3 36.Bb3 h5 37.h3 (37.g3 g5–+) 37...Be5 (37...h4 38.Bc2–+) 38.Kg1 Bd4 39.Kh2 Kg7 40.Ba2 Kf6 41.Bb3 (41.h4 g5–+) 41...Ke5 42.Kg3 Be3 (42...h4 43.Kh2–+) 43.Bc2 (43.h4 Kd4–+) 43...Bf4 44.Kf2 f5 (44...h4!? 45.Bb3–+) 45.g3 Bh6 46.f4 Kd4 47.e5 (47.ef5 ef5 48.h4 Kc3–+) 47...Bf8 (better is 47...h4 48.Bb3 Bd7 49.gh4 Bf4 50.Bd1–+) 48.Bb3 Bd7 (48...Bc4 49.Bc4 Kc4 50.Kf3–+) 49.Kf3 (49.h4 Bc5 50.Ke2 Kc3–+) 49...Bc5 (49...h4 50.gh4 Bh6 51.Ba2–+) 50.Bc2 (50.h4 Kc3 51.Ba2 Kd2–+) 50...Bc6 (50...Kc3 51.Bb1 Bc6 52.Ke2 Bb5 53.Kf3–+) 51.Ke2 Bb5 52.Kf3 (52.Kd2 Bb4 53.Kd1 Ke3–+) 52...Kc3 53.Bd1 (53.Bb1 Kb2 54.Bf5 gf5 55.g4–+) 53...Kd2 54.Bb3 Bc6 0–1. raymac – kratz, ChessWorld.net, 2016.

8.c4 b6 9.cd5 Nd5 10.Ngf3 Ba6 11.Ba6 Na6 12.0-0 Nac7 13.Qb3 b5 14.Ne4 Be7 15.Rfc1 a6 16.Nc5 Nb6 17.Ne5 Qd5 18.Qd1 f6 19.Ned3 Nc4 20.Bc3 Rfd8 21.Nb4 Qg5 22.Qf3 Bc5 23.dc5 Nd5 24.c6 Nb4 25.Bb4 Rdc8 26.a4 Ne5? (26...Qd5 27.Qd5 ed5 28.ab5 ab5 29.Ra8 Ra8 30.Rb1=) 27.Qe4+= Qf5 (27...Qg6 28.Qg6 hg6+/-) 28.Qf5+/- ef5 29.ab5 (better 29.c7!? Nd3 30.ab5 Nc1 31.b6+-) 29...ab5= 30.Ra8 Ra8 31.c7 Rc8 32.Bd6 Nc4 33.Bg3 Kf7 34.Rb1 Ke6 35.Rb5 g6 36.h4 Nd2? (36...Ne5 37.Rb6 Kf7 38.Rb7+=) 37.f3 (better 37.Rb6 Ke7 38.Bd6 Kd7 39.Bh2+-) 37...Nc4= 38.Rb4 Ne3 39.Rd4 Nd5 40.Kf2 f4 41.Bf4 Nf4 42.Rf4 Rc7 43.Ra4 h5 44.Ra6 Kf7 45.Kg3 Kg7 46.Kh3 f5 47.g4 fg4 48.fg4 Rc3 49.Kg2 hg4 50.Ra8 Rh3 51.Ra6 Rh4 52.Kg3 Rh1 53.Kg4 Rb1 54.Kg5 The isolani on g6 becomes a target 54...Rb5 55.Kf4 Rb4 56.Ke3 Kh6 57.Kd3 Kh5 58.Kc3? (better 58.Ke3=) 58...Re4 59.Ra5 (59.Ra5 g5 60.Rf5-+). carlos78 (2240) - sansechess (2025), Rated Blitz game, lichess.org, 2015.

8.c4 b6 9.Ngf3= Bb7 10.Bd3 Nbd7 11.0-0 Re8 12.Ne5 (12.cd5 ed5 (12...Bd5? 13.e4+–) 13.Qa4 Ne4=) 12...Rc8 (12...Ne4 13.cd5 ed5 14.Ne4 de4 15.Bb5 Be5 16.de5+=) 13.f4 Qe7 14.Qe2 (14.Qa4 a6 15.Qb3 dc4 16.Nec4 b5 17.Nd6 Qd6=) 14...Rc7 15.cd5 ed5 16.g4 (16.Rfc1 A) 16...Ne5? 17.fe5 (17.de5?! Rc1 18.Rc1 Bc5+/–) 17...Rc1 18.Rc1+–; B) 16...Rec8=) 16...Nf8 (16...Rec8 17.Rfc1+=) 17.Kh1 (17.g5 N6d7=) 17...N6d7+= 18.g5 f6 (18...Ne6!?+=) 19.gf6+= Nf6 20.Rf3 Qe6 (20...Ng6 21.Rg1=) 21.Rg3 Ree7 (21...Be5 22.de5 Ne4 23.Rg2+=) 22.Rag1 Ne4 (22...Kh8 23.Qg2+/–) 23.Ne4 de4 24.Bc4 Bd5 25.Bd5 Qd5 26.f5 Nd7 (better is 26...Rf7 27.Qg4 Be5 28.de5 g6+–) 27.Rg5?? (27.Qh5 A) 27...Ne5?? A1) 28.de5?! Re5 (28...Be5 29.f6 Kf8 30.fe7 Re7 31.Rf1 Rf7 32.Rd1 Qd1 33.Qd1+–) 29.Be5 Qe5+–; A2) 28.f6 g6 29.fe7 (worse is 29.de5 Rg7 30.Qh6 Bf8+–) 29...Be7 30.de5+–; B) worse is 27...Be5 28.de5 Nf8 29.f6+–; C) 27...Nf6 28.Qh6 C1) 28...Be5 29.de5 Kf8 30.Rg7 Rg7 31.ef6 (worse is 31.Qf6 Rcf7 32.Qh6 Kg8–/+) 31...Qf5 32.fg7 Kg8 33.Qf4 Qf4 34.ef4+–; C2) 28...Rf7+/–) 27...Nf6 (27...Qb3 28.R5g2 Nf6 29.Ng4 Ng4 30.Qg4=) 28.Ng4+= Kf8?? (28...Ng4 29.Qg4 Qf7 30.Rg7 Qg7+/–) 29.Nf6+– gf6 30.Rg8?? (better is 30.Qb5! Bc5 A) worse is 31.dc5 fg5 32.Bd4 h6–+ (32...Qf5?? 33.Rf1 Rf7 34.Rf5 Rf5 35.Qb1+–); B) 31.Rg8 Qg8 32.Rg8 Kg8 33.a4+–) 30...Qg8= 31.Rg8 Kg8 32.d5 (32.Qg4 Kf7 33.Qh5 Kg8=) 32...Rg7= 33.Qd1 Kf7 34.Qa1?? (better is 34.Qh5 Kf8 35.Qh4=) 34...Rc2–+ 35.Bf6 Rh2 0–1. Zakharov,Nikita (1880) – Smiyan,Vladimir (2020), Voronezh RUS, 2014.

8.c4 Nc6 9.cd5 ed5 10.Ngf3 Bg4 11.Be2 Re8 12.Qb3 Rb8 13.h3 Bf5 14.0-0 a6 15.a4 Na5 16.Qa2 Qd7 17.Ba3 Bc7 18.Bb4 Nc6 19.Bc3 b5 20.ab5 ab5 21.Rac1 Ne4 22.Ne4 (22.Qb3 b4 (worse 22...Nc3 23.Qc3 Re6 24.Nb3=) 23.Bb2 Bh3 24.Ne4 Re4-/+) 22...de4-/+ 23.Nd2 (23.Ne5 Ne5 24.de5 Bh3-/+) 23...Qd6 (23...Bh3 24.d5 Qd6 25.f4-/+) 24.g3 (24.f4!? ef3! 25.Rf3-/+) 24...Bh3-+ 25.Rfd1 Be6 26.Qb1 Bd5 27.Bb2 Qg6 (27...Ba5-+) 28.Nf1? (28.Rc5 Red8 29.Bb5 Nb4 30.Rc7 Rb5-/+) 28...h5 (better 28...Bd6-+) 29.Bh5?? (better 29.Rc5 Red8 30.Rdc1-/+) 29...Qh5-+ 30.Rc5 (30.Nd2 Re6 31.Rc5 Rh6-+) 30...Bd6 31.Rdc1 (31.Rc2 Re6 32.Ba1 Rh6-+) 31...Bc5 32.Rc5 Rbd8 (32...Re6 33.g4 Qg4 34.Ng3-+) 33.Qc1 (33.Rb5 Re6 34.g4 Qg4 35.Ng3 Rh6-+) 33...Rd6 (better 33...Re6 34.g4 Qg4 35.Ng3 Bc4-+) 34.Ba3 (34.g4 Qg4 35.Ng3-+) 34...Rh6 35.f4 (35.Nh2 Nd4 36.Kf1 Qe2 37.Kg2 Qf3 38.Nf3 ef3 39.Kg1 Ne2 40.Kf1 Rh1) 35...Qh1 (35...Qf3 36.Nh2 Qg3 37.Kf1 Rh2 38.Rc2 Rh1 39.Ke2 Qg2) 36.Kf2-+ Qf3 (36...Nd4 37.Qd2 Rh2 38.Nh2 Qh2 39.Kf1 Qd2 40.Rc3 Qe2 41.Kg1 Nf3 42.Kh1 Qf1) 37.Ke1 Rh1 38.Kd2 Rf1 39.Rc6 Rf2 (better 39...Bc6 40.g4-+) 40.Kc3 Bc6 41.Kb4 Bd5 42.Qc5 Bc4 (42...Qd1 43.Qf8 Rf8 44.Kc5 Rc2 45.Kd5 Qh5 46.Ke4 Re8 47.Be7 Re7 48.Kd3 Qe2) 43.Qc6 Rf8 44.Ka5 Rb8 45.Bd6 Rf8 46.Bf8?? (46.Ba3 Ra2 47.Qc5 Ra8 48.Kb6 R2a3 49.Qg5 Qe3 50.Qc5 Qc3 51.Kc7 R3a7 52.Kd6 Rd8 53.Ke5 Re7 54.Kf5 Be6 55.Ke4 Bg4 56.Qe7 Qd4) 46...Kf8-+ 47.Qc8 Ke7 48.Qc7 Kf6 (48...Ke6 49.g4 g6 50.d5 Bd5 51.Qe5 Kd7 52.Qd5 Ke8 53.Qe5 Kd8 54.Qd5 Kc8 55.Qc6 Kb8 56.Qb6 Ka8 57.Qa6 Kb8 58.Qb6 Kc8 59.Qc6 Kd8 60.Qd6 Ke8 61.Qe5 Kf8 62.Qh8 Ke7 63.Qe5 Kd7 64.Qd5 Kc7 65.Qc5 Kb7 66.Qb6 Kc8 67.Qc6=) 49.Qe5= Kg6 50.g4?? White prepares the advance f5 (better 50.Qg5 Kh7 51.Qh4 Kg8 52.Qd8 Kh7 53.Qh4 Kg8 54.Qd8 Kh7 55.Qh4=) 50...Qg4 (50...Kh7 51.Qh5 Kg8 52.Qg5-+) 51.Qd6 (51.Qe4 Qf5 52.Qc6 Qe6-+) 51...Be6 (51...Kh7 52.Qd8-+) 52.d5 (52.Qe5 Qg2-+) 52...Ra2 (better 52...Rd2!? 53.Qe5 Bd5 54.Qd6 f6 55.f5 Qf5 56.Kb6-+) 53.Kb6 Qd1 (53...Qe2 54.f5 Kf6 55.Qc5-+) 54.f5 Kf5 55.Qf4 Kg6 56.Qe4 Bf5 57.Qe5 Qc2 (57...Qa4 58.Qg3 Kh7 59.Qh4 Qh4 60.e4 Qf6 61.Kb5 Bd7 62.Kb4 Qd4 63.Kb3 Rb2 64.Ka3 Qc3) 58.Qg3 Kh7 (better 58...Kf6 59.Qd6 Kg5 60.Qf4 Kh5 61.Qf3 Kh6 62.Qf4 g5 63.Qd6 Kh5-+) 59.Qh4= Kg6 60.Qg3 Kf6 61.Qh4 (61.Qd6 Kg5 62.Qe5 f6 63.Qg3 Kh6 64.Qh4 Kg6 65.Qg3 Kh7-+) 61...g5 62.Qh8 Kg6 (better 62...Ke7 63.Qh6-+) 63.Qg8 Kh5 64.Qh8 Kg4 65.Qd4 Be4 66.d6 Qc6 0-1. carlos78 (2235) - Gerda (2000), Rated Blitz game, lichess.org, 2015.

8.c4 Bd7 9.Bd3 =.

8.Bd3 b5 9.Ngf3 Qc7 10.Bb5 Qb7 11.a4 a6 12.Ba6 (12.c4 dc4 13.Bc4 Qb2–+) 12...Na6 (12...Qb2 13.Bd3–+) 13.Nb3 (13.Ba3 Nb4 14.0-0 Qc7–+ (14...Ra4?! 15.c3 Ra3 16.Ra3–/+)) 13...Rb8 (13...Ne4 14.Nfd2–+) 14.Rb1 (14.0-0 Nb4–+) 14...Qb4 (14...Bd7 15.Ra1–+) 15.Nfd2 (15.Nbd2 Qa4 16.0-0 Qa2–+) 15...Qa4 16.0-0 (16.f4 Qb5–+) 16...Ne4 (16...Qc6!? 17.f4–+) 17.Ne4 de4 18.Nd2 f5 19.c3 Qd1 20.Rfd1 Rf7 21.Nc4 Bf8 22.Ne5 Rfb7 23.Nc6 Rb2 24.Nb8 Rb8 (25.Rb8 Nb8–+) 0–1. 1805DYDIDIDY – Andreas, mySchach.de, 2005.

8.Bd3 Nc6 9.Ngf3 b6 10.0-0 Bb7 11.c4 Rc8 12.Qe2 Na5 (12...dc4 13.Nc4 Bc7 14.Nce5=) 13.cd5 ed5 (13...Nd5 14.Rfc1=) 14.Ne5 (14.Rfc1 Qe7=) 14...Ne4 15.Ne4 (15.Rac1 Rc1 16.Bc1 Qe7=) 15...de4+= 16.Bb5 a6 (16...Qh4+=) 17.Ba6 (17.Bd7 Rc7 18.Bf5 Qg5+=) 17...Ba6–/+ 18.Qa6 f6 19.Rad1 Bb8 (19...Be7 20.Qb5 fe5 21.de5–/+) 20.f4 fe5 21.de5 Qe7 22.Qb6 Nc4 23.Qb3 Qf7 24.Bd4 Ne5 25.Qb5? (25.Be5 Qb3) 25...Nd3–+ 26.Rd2 (26.f5 Qh5 27.g3 Rf7–+) 26...Rfe8 (26...Rc4 27.Qb6–+) 27.a4 (27.Qa4 Rc4 28.Qb3 Rec8–+) 27...Ba7 28.Bb6 Bb6 (28...Qb7 29.Ba7 Qa7 30.Qd5 Kh8 31.Qd4 Qd4 32.ed4–+) 29.Qb6 Rb8 (29...Qc4 30.f5–+) 30.Qc6 (30.Qd4 Rb4 31.Rd3 Rd4 (worse is 31...ed3 32.Qb4 Re3 33.Qd4+/–) 32.Rd4 Qa2–+) 30...Kh8 31.f5 Rbc8 (31...Qa7 32.Re2 Rbc8 33.Qd5–+) 32.Qb6 Re5 (32...Rf8 33.Qd6–+) 33.g4 (33.f6 gf6 34.a5 Re6–+) 33...Qf6 (33...Ra8 34.Rc2–+) 34.Rc2 Do you see the mate threat? 34...Rg8 (34...Qb6?? 35.Rc8 Qd8 36.Rd8 Re8 37.Re8) 35.a5 (35.Qf6 gf6 36.Rg2 Ra5–+) 35...Qb6 (better is 35...Qg5!? 36.h3 Ra8–+) 36.ab6–/+ Rb5 37.Rc4 Rb6 (37...Re8 38.Ra1 h6 39.Raa4–/+) 38.Re4 h6 (38...Rb2 39.Re7–/+) 39.Kg2 (39.Rd1 Rb3–/+) 39...Rc8 (39...Rgb8 40.Kg3–/+) 40.Kg3+= Rb2 41.f6 g5 42.h4= gh4 43.Kh4 Rg2 44.f7 Rf8+= 45.Re8 Kg7 46.Rf8 Kf8 47.Kh3 Rc2 48.Kh4+= Ne5 49.g5 Rc4 50.Kh5 hg5 51.Kg5 Nf7 52.Kg6 Rc6 53.Rf6= Rc7 54.e4 Kg8 55.Ra6 Threatening mate: Ra8 55...Nh8 56.Kf5 Kg7 57.e5 Rf7 58.Rf6 Ra7 59.Rb6 Nf7 60.Rg6 Kf8 61.Rf6 Ke7 62.Re6 ½–½. Delander,Adolf – Gerusel,Mathias, FRG–ch 9th Kiel, 1967.

8.Bd3 Nbd7 9.c4 dc4 10.Nc4 Bc7 =.

8.Bd3 Nbd7 9.Ngf3 b6 10.0-0 Bb7 11.c4 dc4 (11...Rc8 12.Rc1=) 12.Nc4 Bf3 (12...Bc7!?=) 13.Qf3+/– Bc7 (13...Be7 14.Rfd1+/–) 14.a4 (14.e4 Ne8+/–) 14...Qb8 15.h3 Nd5 (15...e5 16.Rfb1+=) 16.Ba3 (16.Rfc1 Rd8+/–) 16...Re8 17.e4 (17.Rfc1 N7f6+/–) 17...Nf4+= 18.e5 (18.Bc2 Nf6+=) 18...Nd3= 19.Qd3 Nf8 20.f4 Rd8 21.Qe4 Ng6 22.f5 ef5 23.Rf5 b5+= 24.Rb1 a6 25.Nd6 Bd6 26.Bd6 Qb6 27.Qd5 Ra7 28.ab5 ab5 29.Rb5 (29...Qa6 30.Bc5+–) 1–0. Lothal,G – Panczyk,K, corr DDR theme, 1984.

8.Bd3 Nbd7 9.Ngf3 Nb6 10.Ne5 =.

8.Ngf3 a6 9.c4 b6 10.Be2 Bb7 11.0-0 Nbd7 12.Qb3 Rc8 13.Rfc1 dc4 14.Nc4 Bb8 15.a4 Ne4 16.Ba3 Re8 17.Rab1 Bd5 18.Qb2 Bc6 (better 18...Bc7=) 19.Nb6+- Nb6 20.Qb6 Ba4 21.Qa6 Bd7 22.Bd3 Nc3? (22...Ng5 23.Ne5 Be5 24.de5+-) 23.Rb3 (better 23.Rb8 Rb8 24.Rc3+-) 23...Nd5 24.Rc8 Qc8 25.Qc8 Rc8 26.g3 h6 27.Ne5 Be5 28.de5 g6 29.Bd6 Bc6 30.Rb8 (30.e4!? Ba4 31.Rb7 Nc3+-) 30...Rb8+/- 31.Bb8 Nb4 32.Bd6?? (better 32.Be2+/-) 32...Nd3-+ 33.h3 Nb2 34.g4 Nc4 35.Bc7 Kg7 36.Kh2 Bf3 37.Kg3 Be2 38.Kf4 g5 39.Kg3 Kg6 40.h4 gh4 41.Kh4 Nd2 42.Kg3 Ne4 43.Kg2 Ng5 (43...Kg5 44.f3 Nd2 45.Bd8 Kg6 46.Kf2 Bf3 47.Kg3-+) 44.f4? (44.Kg3-+) 44...Ne4 45.Bb6 Bg4 46.Ba5 Kf5 47.Be1 Nc5 48.Bh4 Ke4 49.Kf2 (49.Bd8 Ke3 50.Bb6 Kd4-+) 49...Nd3 50.Kg3 Bf5 51.Bg5 (51.Be7-+) 51…hg5 0-1. Kolia66 (2420) - almasssss (2315), Rated Blitz game, lichess.org, 2019.

8.Ngf3 b5 9.Bd3 a6 10.0-0 Bb7 11.a4 b4 12.c4 dc4 13.Nc4 Be7 14.Rc1 Nbd7 15.a5 Rc8 16.Qc2 h6 17.Nfe5 Nd5 18.Nd7 Qd7 19.Qb3 Rc7 20.Rc2 Rfc8 21.e4 Nc3 22.Bc3 bc3 23.Nb6 Qd4 24.Nc8 Bc8 25.Qb8 Qd8 26.Rfc1 Bf6 27.Be2 Rb7 28.Qa8 Qc7 29.Qa6 (29.Ba6? Rb8 30.Qb8 Qb8 31.Bc8 Qc8–+) 29...Rb4 30.Qd3 Qa5 31.Rc3 Bc3 32.Qc3 (32.Rc3?? Ba6 33.Qd1 Be2–+) 32…Bb7 ½–½. Hanison,Bernard (1880) – Muller,Henry (2055), Tigers TT–14.13, 2004.

8.c4 0-0 9.cd5 Nd5 (9...ed5!? 10.Bd3 Ne7=+) 10.Ngf3= a6 (10...f5 11.Bd3=) 11.Be2 (11.e4 Nde7+=) 11...Qc7 (11...b5 12.Ne4=) 12.0-0 Nf6 (12...b5 13.Ne4+=) 13.Rc1+/- Qb6 (13...Nd5 14.g3+/-) 14.Qc2 (14.Nc4 Qd8+/-) 14...Be7+/- 15.Nc4 Qd8 16.Nce5 Ne5 17.de5 Nd5 18.Rfd1 (18.Qd2 Bd7+/-) 18...Bd7 19.e4 Nf4 (19...Rc8 20.Qd2 Rc1 21.Qc1 Nb6+=) 20.Qd2 (better 20.Bf1 Ng6 21.Qb3+/-) 20...Ne2= 21.Qe2 Qe8 22.Rc7 (22.Nd4!?=) 22...Bc6=+ 23.Nd4 Bd8 24.Rc6 (24.Nc6? Bc7 25.Nb4 Qb5-+) 24...bc6 25.f4? (better 25.Rc1!?=+) 25...Bb6-+ 26.Kh1? (26.Kf1 c5 27.Nf3 Qb5-+) 26...Bd4 (better 26...c5!? 27.Nf3 Qb5 28.Qb5 ab5 29.Rd6-+) 27.Rd4 (27.Bd4 Qe7 28.Qe3 Rfd8-/+) 27...Rd8 (27...c5 28.Rc4-+) 28.Rc4 Qd7 29.h4 Qd1 30.Qd1 Rd1 31.Kh2 Rc8 32.Bd4 g6 33.h5 (33.Bc5-+) 33...gh5 34.f5 (34.Bc5 Rf1-+) 34...Kg7 (34...c5 35.Bb2-+) 35.f6 (35.Bc5 Rf1 36.g3 Rb8-+) 35...Kg6 36.Bc5 Rd3 37.Kg1 (37.a4 Rb3 38.Bf2 Kg5-+) 37...h4 38.Bd6 (38.Ra4 Rb8 39.Rb4 Rb4 40.ab4 Kg5-+) 38...h5 (38...c5 39.Kf2-+) 39.Kh2 (39.a4 c5! 40.Rc5 Rc5 41.Bc5 Kg5-+) 39...a5 40.a4 (40.Rc1 c5! 41.Rc5 Rc5 42.Bc5 Rc3-+) 40...Kh6 41.Rc5 (41.Bc5 Rb8 42.Bf2 h3-+) 41...Rd2 42.Ra5 (42.Rc1-+) 42...Rg8 43.Kh1 Rdg2 (43...Rgg2 44.Ra8 h3 45.Rh8 Kg5 46.Rg8 Kf4 47.Rg2 hg2 48.Kh2 Kf3 49.Bc5 Rd1 50.Bg1 Rg1 51.Kg1 Kg3 52.a5 h4 53.a6 h3 54.a7 h2) 44.Bf8 (44.Ra8 Rg1 45.Kh2 Ra8 46.Kg1 Kg5-+) 44...Kh7 (44...Rf8 45.Kg2 Rg8 46.Kh3-+) 45.Ra7 Rg1 (45...Rf8?! 46.Kg2 Kg6 47.a5=) 46.Kh2 R1g2 (46...R8g2 47.Kh3 Rb2 48.Rf7 Kh8 49.Bg7 Kg8 50.Rf8 Kh7 51.Rh8 Kg6 52.Rh6 Kg5 53.Rh5 Kh5 54.f7 Rg3) 47.Kh1-+ R8g3 (47...Rf8?! 48.Kg2 Kg6 49.a5=+) 48.Rf7 (48.Bc5 Kg6 49.Rb7 Rc2-+) 48...Kg8 49.Rg7 (49.Rc7 Rg1 50.Kh2 Kf8 51.Rc8 Kf7 52.Rc7 Kg6-+) 49...Rg7 (49...Kf8 50.Rh7-+) 50.Bg7 (50.fg7 Ra2 51.a5 Ra5-+) 50...Ra2 51.Bh6 Ra4 52.Kh2 (52.Be3 Re4 53.Bf2 Kf7-+) 52...Re4 53.Bg7 (53.Kh3 c5 54.Bd2 Kf8-+) 53...Kf7 54.Kh3 c5 55.Kh2 (55.Bh6-+) 55...c4 56.Kg2 c3 57.Kf3 Re5 58.Bh6 Rf5 59.Kg2 Rf6 60.Bc1 Rf5 61.Kh3 Rf3 62.Kh4 Rf1 63.Be3 c2 64.Kh5 c1Q 65.Bc1 Rc1 (65...Rc1 66.Kg4 Rf1 67.Kg5 e5 68.Kg4 Rf6 69.Kg3 e4 70.Kg4 e3 71.Kh4 Rg6 72.Kh3 e2 73.Kh2 e1Q 74.Kh3 Qg3) 0-1. carlos78 (2315) - armine (2070), Rated Blitz game, lichess.org, 2015.

8.Ngf3 0-0 9.Bd3 Qc7 10.c4 Bd7 11.0-0 Rac8 12.c5 Be7 13.Rc1 b6 14.cb6 Qb6 15.Rb1 Qc7 16.Ne5 Rb8 17.f4 Rb6 18.Bc1 Rb1 19.Bb1 Na5 20.Nd7 Qd7 21.g4 Qc6 22.Qf3 Rb8 23.g5 Ne4 24.Be4 de4 25.Ne4 Rb1 26.Bd2 Rf1 27.Kf1 Qb5 28.Kf2 Nc6 29.Nc3+= Qc4 30.a4 Nb4 31.Kg3 Qd3 32.Qe2 Qc2 33.Be1 Qb3 34.Qb5 Bf8 35.Kf3 a6+= 36.Qb8 Qc4 37.Bh4?? Nc2?? 38.Ne2–/+ Qc6 39.e4 Qa4 40.Qb2 Nb4 41.Nc3 Qc6 42.Qb3 a5 43.Bf2 Qa6–/+ 44.Na4 Qf1 45.Nc5 Qh1 46.Ke3 Qh2–/+ 47.Qc4? Qh3 48.Kd2 Qg2 49.Qe2–/+ Bd6 50.Be3 Qe2 51.Ke2 Nc2 52.Nb7 Bc7 53.d5 ed5 54.ed5 Ne3 55.Ke3 Kf8 56.Ke4 a4–+ 57.d6? Bd6! 58.Na5 a3 59.Nb3 a2 60.f5 Ba3 61.Kf4 Bb2 62.Kg4 a1Q 63.Na1 Ba1 64.Kh5 Ke7 65.Kg4 Kd6 66.Kh5 Ke5 67.g6 fg6 68.fg6 h6 (69.Kg4 Bd4–+; better is 68...Kf4 69.gh7 g5 70.Kh6–+) 0–1. Dergatschova_Daus,Anna – Kovalevskaya,Ekaterina, Ch Russia (w) Elista, 1998.

8.Nd2 b6 9.Ngf3 Bb7 10.0-0 Nbd7 11.Ne5 Rc8 12.Qf3 (12.f4!?=) 12...Qc7+= 13.Nd7 Qd7 (13...Bh2? 14.Kh1 Qd7 15.Kh2 Rc2 16.Bc2 Qc7 17.Qf4 Qc2 18.Bc1+–) 14.Qh3 (14.Rac1 h6+=) 14...g6 (14...Qa4 15.c3–/+) 15.Nf3 (15.Qh4 Be7 16.Nf3 Ne4+=) 15...Ne4 16.Rac1 (16.Ne5 Qa4 17.Rfc1 Ba6–/+) 16...f5 (16...Qe7–/+) 17.c4? (better is 17.Ne5!? Qa4 18.f3–/+) 17...Ba6–+ 18.Ne5? (better is 18.Be4!? fe4 19.Ne5–+) 18...Be5 19.de5 Nc5 (19...Bc4 20.Bc4 dc4 21.Bd4–+) 20.Bc2 (better is 20.Rfd1!?–/+) 20...Bc4–+ 21.Rfd1 Qc7 (21...Bb3!? 22.Qh4–+) 22.Qh4 Qd8 23.Qd4 Qe7 (23...Bb3 24.Qb4 Bc2 25.Rc2–/+) 24.h3 Qg5 25.Kh2 (25.Bc3 Nb3 26.Bb3 Bb3–/+) 25...Kh8 (25...Ne4 26.Be4 fe4 27.Qd2–/+) 26.Re1 (26.Bc3 Kg7–/+) 26...Rf7 (26...Ne4 27.Be4 fe4 28.Rc2–+) 27.Rcd1 (27.f3 Kg7–/+) 27...Bb3 (27...Ne4!? 28.Kg1–+) 28.Bb3–/+ Nb3 29.Qb4 Nc5 30.Qb5 (30.f3 f4 31.Bd4 Qg3 32.Kh1 Kg8–/+) 30...Ne4 (better is 30...f4 31.f3 Ne4–+ (31...fe3?! 32.Kh1–+)) 31.Rd5? (31.Kg1–+) 31...Nf2 (31...Rc2 32.Re2 Re2 33.Qe2 ed5 34.e6 Kg8 35.ef7 Kf7 36.Qb5+=) 32.Rd7? (32.Qe2 Rfc7 33.Rd4–+) 32...Rc7 (better is 32...Rd7 33.Qd7 Rc2–+) 33.Rf7+= Rf7 34.Qe8 Kg7 35.Qe6 Ne4 36.Qc4?? (better is 36.Re2 Rc7 37.Qd5 Qg3 38.Kg1=) 36...Qg3–+ 37.Kg1 Qe1 38.Kh2 (38.Qf1 Qe3 39.Kh2 Rc7 40.e6 Nf6–+) 38...Qg3 39.Kg1 Qf2 40.Kh2 Qb2 (40...Qb2 41.Qd4 Qd4 42.ed4 Rd7–+) 0–1. Wirowski,Piotr (1665) – Gulik,Pawel, Puchar Gor Sowich – OPEN A, 2007.

8.Nd2 Nc6 9.c4 dc4 10.Nc4 Be7 11.Nf3 b5 12.Nce5 Ne5 13.de5 Nd5 14.0-0 Rb8 15.Nd4 Bd7 16.Qe2 (16.Rc1 b4 17.ab4 Rb4+=) 16...g6 (16...Qa5 17.Rfc1+=) 17.Bb5 (17.g3 f5+/–) 17...Bb5+= 18.Nb5 Qb6 (18...Qd7 19.a4+=) 19.a4+/– a6 20.Bd4 Qa5 21.Nd6 Rb4 (21...Rfd8 22.Qf3 Bd6 23.ed6+–) 22.Qd2+– f5 23.Rfc1 Qd8 24.Bc5 Rb8 25.a5 Qd7 26.Qd3 Ra8 27.Rab1 Bd6 (27...Qc7 28.Bb6 Qd7 29.Bd4+–) 28.Bd6 (better is 28.ed6!? Rfc8 29.g3+–) 28...Rfc8+/– 29.g3 Rc1 30.Rc1 Qb5 31.Qd2 Kf7 32.f3 Qa4 33.Qb2 Qb5 34.Qd2 Qa4 35.Rb1 (better is 35.Qd3!? Qb5 36.Qd1 Qa5 37.e4+/–) 35...Rc8 36.Qb2 Qc4 (36...Kg8 37.Qb7 Qc4 38.Re1+/–) 37.Qb7 (better is 37.e4!? Nc3 38.Qb7 Kg8 39.Rb4 Ne2 40.Kf2+–) 37...Kg8+= 38.Qd7 (38.Re1 Rd8+/–) 38...Ne3 39.Bc5 (39.Re1 f4=) 39...Qc5= 40.Qe6 Kg7 41.Qf6 Kg8 42.Qe6 Kg7 ½–½. Logvinov,Kirill (1930) – Kasantsev,Anatolij B (2050), Lipetsk Region–ch, 2010.

(--> 6.Nf3 0-0 7.d4 Bd6).

8.c4 Nc6 (--> 6.Nf3 Nc6 7.d4 Bd6 8.c4 0-0).

8.Bd3 (--> 6.Nf3 0-0 7.d4 Bd6 8.Bd3).

8.Ra2 0-0 9.c4 dc4 10.Nbd2 Qa5 11.Bc4 b5 12.Bd3 Bb7 13.0-0 Rc8 14.e4 Be7 15.Qb1 h6 16.Rc1 ½–½. Schalkwijk,Peter (1655) – Vidalina,Franjo (2015), internet, 2003.

8.Qc1 0-0 9.Nbd2 Nc6 10.Be2 Bd7 11.0-0 Rac8 12.c4 Qc7 13.c5 Be7 14.Nb3 b6 15.Ne5? (better 15.Bd3!?=) 15...Ne5-/+ 16.de5 Ne4 17.cb6?? (better 17.Ba6 Rb8 18.c6 Bc6 19.Nd4-/+) 17...Qb6-+ (17...ab6?! 18.Qc7 Rc7 19.Rfc1=) 18.Qd1 Rb8 19.Nd2 Nd2 (19...Qb2?! 20.Ne4 Qe5 21.Nd2-+) 20.Bd4 Qa5 21.f3 (21.Re1 Ba4 22.Bc3 Qc3 23.Qa4 Bc5-+) 21...Nf1 22.Qf1 Bc5 23.Bd3 (23.Qe1 Qe1 24.Re1 Rfc8-+) 23...Bd4 24.ed4 Qc3 25.Rd1 (25.Kh1 Qd4 26.f4 Rb2-+) 25...Qd4 26.Kh1 Qe5 27.Qf2 Rb2 (27...a5 28.Qc5-+) 28.Qh4 (28.Qa7 Rd8-+) 28...g6 (28...h6 29.h3-+) 29.f4 (29.Bf1 Qc3 30.Re1 Rfb8-+) 29...Qe3 30.f5 (30.Bf1 Rfb8 31.Qh3 Qe4-+) 30...Qd3! 31.Rd3 (31.Rd3 Rb1 Mate attack) 31...Rb1 32.Rd1 Rd1 (32...Rd1 33.Qe1 Re1) 0-1. carlson (2150) - Matetricks (2515), Rated Bullet game, lichess.org, 2013.

7.c4 0-0 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 c5 4.bc5 Bc5 5.d4 Be7 6.e3 0-0 7.c4 d5).

7.c4 Qb6 8.Qc2 Nc6 9.c5 Qa5 10.Bc3 Qc7 11.Bb5 Bd7 12.Nf3 Rc8 13.0-0 h5 (13...0-0 14.Nbd2=) 14.Nbd2+= h4 15.h3 Ne4? (better is 15...Kf8+=) 16.Ne4+– de4 17.Nd2 (better is 17.Qe4!? 0-0 18.Rab1+– (18.Nh4?! f5 19.Nf5 ef5 20.Bc4 Kh7+/–)) 17...f5+/– 18.f3 (18.Qb3 b6+/–) 18...ef3+= 19.Nf3 g5? (19...0-0 20.Qa2+/–) 20.Bc6 (20.d5 Rg8 21.dc6 bc6+–) 20...Bc6? (20...Qc6 21.Ne5 Qa4 22.Qb2+=) 21.Ne5?? (better is 21.d5 Rh6 22.dc6 Qc6 23.Bd4+–) 21...g4= 22.Ng6?? (better is 22.hg4!? h3 A) worse is 23.gf5 A1) 23...Bg2? 24.f6 Bf1 25.Qg6 Kd8 26.fe7 Qe7 27.Nf7 (27.Kf1?! Kc7 28.Ke2 Rcg8+/–) 27...Kc7 28.Nh8+– (28.Kf1? Rcf8–+; 28.Rf1?? Rhg8 29.Qg8 Rg8 30.Kh1 Rf8 31.Ba5 Kb8–+); A2) 23...hg2 24.Rf3 Bf3 25.Nf3 ef5–/+; B) 23.Nc6 Qc6 24.gf5+=) 22...Rh6 (22...Rg8!? 23.Nf4 gh3–+) 23.Ne7 Qe7 24.Rf4? (24.hg4 h3 25.Rfe1 hg2 26.e4 Be4 27.Re4 fe4 28.Qg2 Rc5 29.Bb4–+) 24...gh3–+ 25.gh3 Qg7 26.Kf1 Rg6 (26...Rg6 27.Qb3 Bg2 28.Ke2 Bd5 29.Qa4 Bc6–/+; better is 26...Bb5 27.Ke1 Rg6–+) 0–1. kamera (1690) – balboa2 (1665), GameColony.com, 2002.

7.Nd2 a6 8.Ngf3 Nc6 9.c4 Bd7 10.Be2 0-0 11.0-0 Qb6 12.Qc2 Rac8 13.Rac1 Ne8 14.e4 de4 15.Ne4 f5 16.Ng3 Nf6 17.Rfd1 Rfd8 18.c5+/– Qc7 19.Bc4 Nd5 20.Nf5!+– ef5 21.Bd5 Kh8 22.Re1 Bf6 23.Qb3 Re8 24.Bc3 Re1 25.Re1 Re8 26.Re3 Nd8 27.h3 Re3+/– 28.fe3 ½–½. Ventimiglia,Charles – Drake,Adam, IECC, 1998.

7.Nd2 Bd7 8.Ngf3 0-0 (8...Qa5 9.Ne5=) 9.c4 Qa5 10.c5 (10.Qb3 Nc6=) 10...Ba4 (10...b6 11.Bd3+=) 11.Qc1= Bb5 (11...Rc8 12.Bd3+=) 12.Bc3 Qa6 13.Bb5 Qb5 14.Rb1 (14.Qb1 Qa6=) 14...Qa6 15.Qb2 Nbd7 (15...b6 16.cb6 ab6 17.Qb6 Ba3 18.Qa6 Na6 19.Ke2=) 16.Qb7 Qa3 The passed pawn on c5 quickly leads to threats 17.Qb2 (17.Qb4 Qa6 18.Qb5 Qb5 19.Rb5 Rfb8 20.Rb8 Nb8=) 17...Qb2 (17...Qa4 18.Qb3 Qa6 19.Qb5 Qb5 20.Rb5=) 18.Rb2 Rfb8 19.0-0 (19.Rc2 a5+=) 19...Rb2= 20.Bb2 Rb8 (20...a5 21.Ba3=) 21.Ba3 (21.Bc3 Kf8+=) 21...Kf8 22.Ra1 Ke8? (better is 22...Rc8+=) 23.c6+– Nb6 24.Be7 Ke7 25.Ra7 Kd6 26.Ne5 Nc4 (26...Rf8 27.Kf1+–) 27.Nec4 (27.c7 Rc8 28.Nec4 dc4 29.Nc4 Kc6+–) 27...dc4 28.Nc4 (28.Rf7 Kc6 29.Kf1 c3 30.d5 Kd5 31.e4 Kd4 32.Nf3 Kd3–+) 28...Kc6 (28...Kd5 29.Na3+–) 29.Ne5 Kd5 Threatening mate... how? 30.g3 (better is 30.f3+–) 30...Ne4? (30...h6 31.Rf7 Ne8 32.f3 Rb1 33.Kg2+–) 31.Rf7 (better is 31.Rd7!? Nd6 32.Nf7 Rb6+–) 31...Rb1 32.Kg2 Rb2 (32...Nd6 33.Rg7 Rb7 34.Rb7 Nb7+–) 33.Rd7 Nd6 34.Nf7 (34.Rd6 Kd6 35.Nc4 Kd5 36.Nb2 e5 37.de5 Ke5+–) 34...Rb6 35.Rd6 (better is 35.Kf3 g6+–) 35...Rd6 36.Nd6 Kd6 37.e4 h6 38.f4 g6 39.Kf3 h5 40.h4 (40.h4 Ke7 41.g4+–) 1–0. Sanchirico,Antonio – Contili, ITA op Italy, 1993.

7.Bd3 Qb6 8.Ra2 (8.Bc1 0-0 9.Nf3 Qc7 10.0-0 Nc6 11.Nbd2=) 8...Nc6 9.Nf3 Qa5 10.Qd2 Qd2 11.Nbd2 =.

7.Bd3 Nc6 8.Nf3 Qb6 9.Ra2 Qa5 10.Qd2 Qc7 11.c4 =.

7.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 c5 5.bc5 Bc5 6.d4 Be7 7.e3).

8.Nc3 0-0 9.Bc4= Nc6 10.Nf3 a6 11.0-0 Bd7 (11...b5 12.Bd3=) 12.Rc1 b5 13.Ba2 Rc8 14.e4 Re8 15.e5 Nd5 (15...Ng4!?+=) 16.Nd5+– ed5 17.Bd5 Qb6 (17...Na5!?+–) 18.Qb3+– Rc7?? (better 18...Nd8+–) 19.Bf7 Kh8 20.e6 (20.e6 Rf8 21.ed7+–) 1–0. Pierre – Etique, internet, 2019.

8.Nc3 a6 9.Bc4 b5 10.Be2 Bb7 11.Nf3 Nbd7 12.0-0 Rc8 13.Re1 0-0 14.Bd3 Qa5 Black prepares b4 15.Ne2 Rfd8 16.Bc3? (better 16.Ng3=+) 16...Rc3-+ 17.Qd2 b4 (better 17...Rdc8 18.Nc3 Rc3-+) 18.ab4-/+ Rd3 19.Qd3 (better 19.ba5!? Rd2 20.Nd2-/+) 19...Qb6-+ 20.Nc3 Bf3 21.gf3 Nb8 (better 21...Bb4!? 22.Reb1 a5-+) 22.b5-/+ ab5 23.Nb5 Nc6 24.Reb1 g6 25.Qe2 Kg7 26.f4 h5 27.Na7 Nb4 28.Qc4 Qb7 29.Nb5 Qf3 30.Rb4 Bb4 31.Qb4 h4 32.Qb2 h3 Black intends Nc3 33.Kf1 Rb8 34.Ke1 Ne4 (better 34...Qh1 35.Ke2 Rb5 36.Rh1 Rb2 37.Kf3 Ne8-+) 35.Ra2?? (35.d5 f6 36.Qe2 Qe2 37.Ke2 Rb5 38.de6 Rb2 39.Kd3 Nf2 40.Kc3-+) 35...Qh1 36.Ke2 Rb5! 37.Qc2 (37.Qb5 Nc3 Double attack (37...Nc3 Decoy)) 37...Rb1 38.d5 Re1 (38...ed5 39.Qc1 Rc1 40.Rd2 Nc3 41.Kd3 Qe4) 39.Kd3 Rd1 40.Ke2 (40.Kc4 Rc1 41.de6-+) 40...Qf1 41.Kf3 Qg2 42.Ke2 Qf2 43.Kd1 Qf1 0-1. Williams,Barry - Cooper,Dave, NZL Wanganui Chess Club Ch A Reserve, 2001.

8.Bc4 0-0 9.Nf3 Nc6 10.0-0 a6 11.Bd3 b5 12.Nc3 Bb7 13.Nb5 ab5 14.Bb5 Rc8 15.Rc1 Nd5 16.Bc6 Bc6 17.Ne5 Bb5 18.Qf3? (18.Rc8 Qc8 19.Re1–+) 18...Bf1 19.Rc8 (19.Rf1 Rc2 20.e4 Rb2 21.Nc6–+) 19...Qc8 20.Kf1 Qc2 21.Qe2 Qb1 22.Bc1 0–1. slavisa10 – MarcusBiMan, Live Game Caissa's Web, 2004.

8.Bc4 0-0 9.Nf3 Nc6 10.Nbd2 a6 11.0-0 b5 12.Bd3 Bb7 13.Nb3 Na5 14.Nc5 (14.Nbd2 Rc8=) 14...Bc5 15.dc5 Nc6 (better 15...Bf3!? 16.gf3 Rc8=+) 16.Be2 Qe7 17.Bd4 (17.a4 Rfd8 18.Qc2 b4=) 17...Rfd8 (17...e5 18.Bb2 Qc5 19.Rc1-/+) 18.Qc2 (18.Bf6 Qf6 19.Qc2 Rac8=+) 18...Nd4 19.ed4 (worse 19.Nd4 Be4 20.Bd3 Bd3 21.Qd3 Qc5-/+) 19...Bf3 (19...Rac8 20.Rfd1=+) 20.Bf3= Rac8 21.Rfd1 Nd5 22.Qb3 Qf6 23.a4 b4 (23...Rb8=) 24.Qc4 (better 24.Bd5!? Rd5 25.Qb4+=) 24...a5 25.Rac1 g6 26.Bd5 Rd5 The backward pawn on d4 becomes a target (worse 26...ed5 27.Qb5 Ra8 28.c6+/-) 27.c6 Rc7 (27...Qd8 28.c7 Qd7 29.Qc2-/+) 28.g3 (28.Qa6 Kg7=+) 28...Qf3 29.Rd2 (29.Qa6 Rd6 30.Qa8 Kg7 31.Qa5 Rdc6 32.Qe5 Kg8-/+) 29...Qa3-/+ 30.Ra2 Qf3 31.Rd2 Kg7 32.h4 (32.Rd3 Qe2 33.Rdc3 Qe4-/+) 32...g5 (better 32...Qa3!?-/+) 33.hg5=+ Rg5 34.Qd3 (34.Qe2 Qe2 35.Re2=+) 34...Qd5 (better 34...Qd3!? 35.Rd3 Rd5-/+) 35.Rc5= Qd8 36.Qb5 (36.Rdc2 Rd5=) 36...Rc5 37.Qc5 Qd5 38.Rc2 Kf6 (38...b3 39.Qd5 ed5 40.Rb2=) 39.Kf1 (39.Qb6 Rc8+=) 39...h5 (39...Qh1 40.Ke2 Qe4 41.Kf1=) 40.Ke2 (40.Qb6 b3 41.Rc3 Qh1 42.Ke2 Qe4 43.Kd2 b2 44.Qb2 Qd4 (44...Rc6?? 45.Rc6 h4 46.d5 Kf5 47.Rc5 ed5 48.Rc6+-) 45.Ke1 Ke7=) 40...b3 (40...Qe4!? 41.Kf1 b3=+) 41.Qd5= ed5 42.Rb2 Rc6 43.Rb3 Rc4 44.Rb5 Ra4 45.Rd5 Ra2 46.Kf3 Kg6 47.Rb5 a4 48.Ra5 a3 49.d5 Rd2 (49...Kf5 50.Ke3=) 50.Ra3 Rd5 51.Re3 f5 52.Rb3 Kg5 53.Rb4 Rc5 54.Ra4 Rc3 55.Kg2 Rd3 56.Rb4 Rc3 57.Ra4 Rb3 ½-½. dannysmet (2045) - Benko58 (2085), Rated Blitz game, lichess.org, 2020.

8.Bc4 0-0 9.Nf3 Nbd7 10.Nbd2 Nb6 11.Bd3 Bd7 12.Rc1 Rc8 13.0-0 Bc6 14.Bb1 (better 14.Ne5+=) 14...Na4?? (better 14...Qd5-/+) 15.Rc6!+- Nb2? (15...bc6 16.Qa4 Remove defender; 15...Rc6 16.Qa4 Remove defender) 16.Rc8 Qc8 17.Qb3 Nd5 18.Qb2 b6 19.Qc2 (better 19.Bd3 Qb7+-) 19...Qa6 (19...Qc2 20.Bc2 Rc8+-) 20.Qh7 1-0. carlos78 (2295) - assssss22133 (2015), Rated Blitz game, lichess.org, 2015.

8.Bc4 Nc6 9.Nd2 0-0 10.Ngf3 b6 11.0-0 Bb7 12.Rc1 Na5 13.Be2 (13.Bd3 Rc8+=) 13...Rc8 (13...Qd5 14.Bd3=) 14.Ne5 Qd5 15.Bf3 Qa2 Attacking the isolated pawn on a3 (15...Qb5!? 16.Bb7 Nb7=) 16.Bb7+/- Rc1? (better 16...Nb7!? 17.Nec4 Nd6+/-) 17.Qc1+- (17.Bc1?! Nb7 18.Nc6 Re8+= (18...Ba3?? 19.Qa4+-)) 17...Nb7 18.Ndc4?? (better 18.e4+-) 18...Rc8-/+ 19.Qc2 (better 19.Qb1!? Qb1 20.Rb1=+) 19...Nd6 20.Ra1 Qa1?? (better 20...Rc4 21.Nc4 Qc4-+) 21.Ba1+/- Nc4 22.Nc4 b5 23.Qc1 (better 23.Bb2!? Rc4 24.Qd2+-) 23...Rc4+= 24.Qb1?? (24.Qb2 a6+=) 24...a6 (better 24...Ba3 25.Bb2 Rb4-+) 25.Bb2+= Nd5 26.g3 Nb6 27.Kg2 Na4 (27...g6 28.Bc1+=) 28.Kf3 (28.Bc1 Nb6+/-) 28...f5 (28...Nb2!? 29.Qb2 Ra4+=) 29.h3 g5? (29...g6!?+/-) 30.g4+- Kg7 (30...Nb2 31.Qb2 Kf7 32.gf5 ef5 33.d5+-) 31.gf5 (31.Ba1!? fg4 32.hg4 Bf6+-) 31...ef5 32.h4 (better 32.Ba1 Bf6 33.Kg2+- (worse 33.Qf5 Rc1 34.Qd7 Kg6 35.Qe8 Kg7+-)) 32...h6? (better 32...g4 33.Kg3 Kg6+/-) 33.hg5+- hg5 34.Bc1 (better 34.Ba1!? Kf6 35.Qh1+-) 34...Kf6+/- 35.d5 (35.Kg2 Bf8+-) 35...g4 36.Ke2?? (better 36.Kg3 Ke5 37.Kg2+/-) 36...Nc3-+ 37.Kd3 Nb1 (37...Nb1 38.Bb2 Kf7-+) 0-1. Bendega (1985) - ehsan_b (1965), lichess.org, 2021.

8.Bc4 Nc6 9.Nf3 0-0 10.0-0 b6 11.Nc3 Bb7 12.Qb3 (12.Rc1!?=) 12...Na5=+ 13.Qa2 Nc4 14.Qc4 Nd5 (14...Bf3 15.gf3 Bd6 16.Rfc1=+) 15.Nb5 (15.Nd5 Bd5 16.Qe2 Qc7=) 15...Rc8 (better is 15...a6 16.Nc3 Nc3 17.Bc3 Bf3 18.gf3 Bd6=+) 16.Qe2? (16.Qd3 a6 17.Nc3 Nc3 18.Bc3 Bf3 19.gf3 a5=+) 16...Ba6?? (better is 16...a6–+) 17.Rfc1 Rc1 (17...Qd7 18.a4=) 18.Rc1= Qd7 (better is 18...Bd6=) 19.Ne5?? (19.a4 Bd6=) 19...Qe8?? (19...Qb5 20.Qb5 Bb5 21.Nc6–+) 20.Nc7?? (better is 20.a4+=) 20...Qd8 (better is 20...Nc7 21.Qd1 Bd6–+) 21.Na6+– (21.Qa6?! Nc7 22.Qa7 Bd6 23.Qb6 Be5 24.de5 Qd2+–) 21...Bd6 22.Rc6 (22.Nc4 Be7+–) 22...Be5 (22...Ne7 23.Rc2+–) 23.de5 Qe7 24.e4 (better is 24.Rd6+–) 24...Nc7 (24...Nf4 25.Qf3 Qd7+–) 25.Rc7 Qc7 (25...Qe8+–) 26.Nc7 (26...Rc8 27.Nb5+–) 1–0. kamera (1660) – PLB, GameColony.com, 2002.

8.Nf3 0-0 9.Nbd2 Na5 10.Rc1 (10.cd5 Qd5 11.Bd3 b5=) 10...dc4 (10...Qb6 11.Qc2=) 11.Nc4 Nc4 12.Bc4 b5 13.Bd3 Bb7 14.0-0 a6 15.Ne5 Rc8 16.Rc8 Qc8 17.Qe2 Bd6 18.e4 Qa8 19.Re1 Rc8 20.Nf7 Kf7 21.e5 Bg2 22.ef6 Qd5 23.Qg4 gf6 24.Bh7 (24.Qg2?? Rg8 25.Be4 Rg2 26.Bg2 Qc4–+) 24...Bf3 25.Qg6 Ke7 26.Bg8 Rg8 (26...Be4! 27.Qf7 Kd8 28.Qf6 Kd7 29.Be6 Qe6 30.Qe6 Ke6 31.Re4 Kd5=) 27.Qg8+= Kd7 28.Qg6 Be7 29.Re3 f5 (29...a5 30.Qg3 Be4 31.Qg4+=) 30.Qg3+– Bh5 (30...Bg4 31.h3 Bh5 32.Rc3+–) 31.Rc3+– Bd6 32.Qg7 Kd8?? (better 32...Be7+–) 33.Qg5 (33.Qg5 Kd7 34.Qh5+–) 1–0. Marekt – Raptureman, gameknot.com, 2019.

8.Nf3 0-0 9.Be2 b6 (9...Bd7 10.Nbd2=) 10.0-0 Bb7 11.cd5 Nd5 12.Nbd2 Qc7 (12...Rc8 13.Rc1=) 13.Nc4 (13.Rc1 Rac8=) 13...Rad8 (13...b5 14.Ncd2 Qb6 15.Nb3=) 14.Rc1+= Qb8 15.g3 a6 (15...Rc8 16.Qd3+=) 16.e4 b5?? (better 16...Nf6 17.Bd3 b5+=) 17.ed5+- ed5 18.Nce5 Ne5 (18...Na5 19.Nd3+-) 19.Ne5 Bf6 (19...Qd6 20.Qd2+-) 20.Nc6 Bc6 21.Rc6 Rfe8 (21...Qb7 22.Qc2+-) 22.Bf3 (22.Ra6 Qb7 23.Ra5 b4 24.ab4 Qe7+-) 22...Qa7 (22...Qa8 23.Qc2+-) 23.Qc2 (23.Rc5 Rc8 24.Re1 Red8 25.Rc8 Rc8 26.Bd5 g6+-) 23...Bd4 24.Bd4 Qd4 25.Ra6 (25.Rd1 Qe5+-) 25...Rc8 (25...Qc4 26.Rc6 Qc2 27.Rc2+-) 26.Rc6 Rcd8 (26...Ra8 27.Rc7 Rf8 28.Rd1+-) 27.Rd1 Qe5 (27...Qa4 28.Bd5 h6 29.Qa4 ba4 30.Rc7+-) 28.Rc5 Qf6 29.Kg2 (29.Bd5 Rd7+-) 29...d4 30.Qd3 Re7 (30...Qe6 31.Qb5 Rb8 32.Qa4+-) 31.Rb5 (31.Qd4 Rde8+- (31...Rd4?? 32.Rc8 Rd8 33.Rcd8 Re8 34.Re8)) 31...g6 (31...Qe6 32.a4+-) 32.Rb4 (32.Bd5!? Rc8 33.a4 Rc3 34.Qd4 Qd4 35.Rd4 Ra3+-) 32...Red7 33.a4 Qd6 (33...Qe7 34.Rdb1+-) 34.Rb5 Qe6 35.a5 Qa6 (35...Qa2 36.Rc5+-) 36.Rc5 Qa7 (36...Qf6+-) 37.a6 (better 37.Qc4+-) 37...Qc5=+ 38.Bb7 Rb7 (better 38...Kg7!?-/+) 39.ab7= Rb8 40.Qd4 Qd4 41.Rd4 Rb7 42.Rd8 Kg7 43.h3 Re7 44.h4 h5 45.f3 f6 46.Kf2 g5 47.hg5 fg5 48.g4 1-0. Bendega (1865) - jafarj (1800), lichess.org, 2020.

8.c4 Nc6 9.Ngf3 Qa5 10.Bd3 dc4 11.Bc4 e5 (better 11...Bd7=) 12.d5 (12.Ne5 Ne5 13.de5 Ne4+=) 12...Nb8?? (better 12...Nd5 13.0-0 Nf6-/+) 13.0-0 (13.Ne5 b5 14.d6 Bd6 15.Bf7 Kh8+/-) 13...e4+= 14.Nd4 Nbd7 15.Nf5 Re8 16.Ne7 Re7 17.d6 Re8 18.Qb3 Rf8 19.Bc3 (19.Rfd1 Qf5+/-) 19...Qg5 20.Rfd1 Nb6 (20...Qg6+/-) 21.Nf1 (21.Bf6 Qf6 22.Ne4 Qg6+-) 21...h5? (better 21...Bd7!? 22.Bf6 Qf6=) 22.Bf6 Qf6 23.Bd5 (23.Ng3 Qg6 24.Rd4 Nc4 25.Qc4 Bd7+/-) 23...Re8 24.Rac1 (24.Ng3 Qg6+/-) 24...h4 (24...Re5 25.Bc4+=) 25.g3 (better 25.Rc7!? Be6 26.Be6 Qe6 27.Qe6 Re6 28.Rb7+/-) 25...h3 26.Nd2 Qd6?? (better 26...Qf5 27.Rc5 Bd7=) 27.Bf7+- Kf8 28.Be8 Ke8 (28...Be6 29.Nc4 Qe7 30.Bg6+-) 29.Qg8 (better 29.Ne4 Qf8+-) 29...Qf8 30.Qf8 Kf8 31.Ne4 Bf5 32.Nd6 Bg4 33.Rd4 Bf3 (33...Rd8+-) 34.Rf4 (34.Rf4 Kg8 35.Rf3+-) 1-0. cipiripi (2340) - Poubelle (2220), Rated Blitz game, lichess.org, 2015.

8.c4 Nc6 9.Ngf3 dc4 10.Bc4 a6 11.Bd3 =.

8.Bd3 a6 9.Ngf3 Nc6 10.0-0 b5 11.a4 =.

8.Bd3 b6 9.Qe2 (9.Ngf3 a6 10.0-0 Nc6 11.c4=) 9...a5 (9...Nc6 10.Ngf3 Bb7 11.0-0=) 10.Ngf3 (10.Rc1 Ba6 11.Ba6=) 10...Nc6 (10...Ba6 11.c4=) 11.e4 (11.0-0=) 11...de4 12.Ne4 Nd5 13.g3 f5 14.Ned2 Bf6 15.Nc4 Nde7 16.Nce5 Be5 17.de5 Bb7 18.Bc4 Qc8 19.0-0-0 Nd8 20.Rhe1 Bd5 21.Bb5 Ndc6 22.Kb1 Na7 23.Bd3 (23.Ba6!? Qc7 24.Ng5=) 23...b5+= 24.g4 fg4 25.Ng5 h6 26.Ne4 Rf3 27.Rg1 Qc6 (27...h5!?+=) 28.Rg4+= Raf8 (better is 28...Rf7+=) 29.Rdg1+– R3f7? (29...R8f7 30.Rg7! Rg7 31.Rg7 Kg7 32.Qf3 Nf5 33.Qg4 Kf8+–) 30.Nf6 Kh8 31.Nd5 (31.Qe3 Ng8 32.Ng8+–) 31...Qd5+/– 32.f4 1–0. Amor Alcaide,Manuel – Lozano Arribas,Carlos (2205), La Pobla de Lillet op, 2000.

8.Ngf3 Qb6 9.Rb1 Qa5 10.c4 b6 11.Bd3 =.

8.Ngf3 Nc6 9.c4 dc4 10.Bc4 a6 11.0-0 b5 12.Ba2 Bb7 13.Rc1 Rc8 14.Bb1 Na5 15.Rc8 Qc8 16.Ne5 Bd5 17.Ndf3 (17.e4!? Bb7 18.Qf3=) 17...Nc4+= Attacks the isolani on a3 18.Bc1 Qb7 19.Ne1 (19.a4 ba4 20.Bd3 Ne5 21.de5 Ne4–/+) 19...Ne5 (19...Na3!? 20.Ba3 Ba3–/+) 20.de5–/+ Ne4 21.Qd3 g6 22.f3 Nc5 23.Qc2 Bc4 24.Rf2 Rc8 25.Qd1 Rd8 26.Rd2 Rd2 27.Bd2 (27.Qd2 Nb3 28.Qd1 Qd5 29.Qd5 ed5–/+) 27...Qd7 (better is 27...Qd5!? 28.Bc2 Qe5–+) 28.Bc2+= Qd5 29.Bb4 (29.Bc3 Qd1 30.Bd1 Nd7+=) 29...Qd1 (better is 29...Qe5!? 30.Qd4 Qd5–/+) 30.Bd1+= Kf8 31.Nc2 Nd7 32.Kf2 (better is 32.Be7!? Ke7 33.Nb4+=) 32...Ne5–/+ 33.Be2 Nd3 (better is 33...Be2!? 34.Ke2 f5–/+) 34.Bd3+= Bd3 35.Nd4 a5 36.Be7 (36.Ba5 Ba3 Pinning (36...Ba3 Deflection)) 36...Ke7 37.Nc6 Kd6 38.Na5 Kc5 (38...f5 39.Nb7 Kd5 40.g4+=) 39.e4 Bc4 40.Ke3 Ba2 (40...e5 41.Nb7 Kc6 42.Na5 Kb6 43.Nc4 bc4 44.Kd2+=) 41.Nb7+= Kb6 42.Nd6 e5 43.Kd3 (43.f4 ef4 44.Kf4 h6+=) 43...Ka5 44.Kc3 Ka4 45.Kb2 Be6 46.Nb7 b4 (better is 46...Bc8!? 47.Nc5 Ka5=) 47.Nc5+/– Kb5 48.ab4 Kb4 49.Nd3 (better is 49.Ne6!? fe6 50.h4+/–) 49...Kc4= 50.Ne5 Kd4 51.Nc6 Ke3 52.Kc3 (52.Ne5!?=) 52...Kf2–/+ 53.Kd4 Kg2 54.f4 (54.Ke5 Kf3 (worse is 54...Kh2 55.Nd8=) 55.Nd4 Ke3 56.Nc2 Kf2–/+) 54...Kh2 55.Ne5 (55.Ke5!?–/+) 55...h5–+ 56.Nf3 (better is 56.f5 gf5 57.ef5–+) 56...Kg3 57.Ke3 h4 58.Ng5 (58.Ne5 f5 59.ef5 gf5–+ (worse is 59...Bf5 60.Nf3–+)) 58...h3 59.Nf3 (59.Nh3 Bh3 60.e5 Bf5–+) 59...h2 (59...Bg4 60.Nd2 Kg2–+) 60.e5 (60.Nh2 Kh2 61.Kf3–+) 60...h1Q 61.Nd4 Qg1 (61...Qc1 62.Ke4 Qc4 63.Ke3 Qc3 64.Ke4 Kf2 65.Ne6 fe6 66.f5 Qe3#) 62.Kd3–+ Qf1 63.Ke4 Qe1 (63...Qc4 64.Ke3 Qc3 65.Ke4 Kf2 66.Ne6 fe6 67.f5 Qe3#) 64.Kd3–+ Qd1 65.Kc3 Qd4! 66.Kd4 Kf4 67.Kc5 (67.Kd3 Ke5 68.Ke3–+) 67...Ke5 68.Kb4 ½–½. orangutanb4 (2000) – mmih1 (1815), 2011.

8.c4 0-0 9.Rc1 Bd7 (9...Qb6 10.Qb3=) 10.Ngf3= Rc8 11.Bd3 dc4 (11...Qb6 12.Qb3 Qc7 13.Ne5=) 12.Bc4 (12.Nc4 b5 13.Nce5 Ne5 14.Ne5 Rc1 15.Qc1 Nd5=) 12...Qa5 Attacking the isolated pawn on a3 (12...Bd6 13.0-0=) 13.0-0 Ba3 (13...Rc7 14.Nb3 Qb6 15.Ne5=) 14.Ra1+= Bb2 15.Ra5 Na5 16.Ne5 Rfd8 (worse is 16...Nc4 17.Ndc4 (17.Nec4?! Bc3+=) 17...Bc3 18.Qb3+/–) 17.Bd3 b6 (17...Rc1 18.Qe2+=) 18.Ndc4 (18.Qb1 Ba3+/–) 18...Nc4+= 19.Nc4 Bc3 20.Qb3 b5 21.Nd6 Rc7 22.Nb5 Rb8 23.Rc1 Nd5 (better is 23...Ba5 24.Rc7 Bc7+/–) 24.Qd5?? (24.Bh7 Kh8 A) 25.Rc3? Rc3 26.Qd1 Bb5–+ (26...Kh7? 27.Nc3 Bc6 28.Qd3 Kg8 29.Nd5 Bd5 30.e4+–; 26...Rb5?! 27.Be4–+); B) 25.Bd3 Bb5 26.Bb5=) 24...ed5= 25.Nc7 Rb3 (25...Bb2 26.Rc5+/–) 26.Bf1 (better is 26.Bc2!? Rb2 27.Nd5+=) 26...a5 (26...Bb2 27.Rc5 Be6 28.Nd5 Ba3+/–) 27.Nd5+/– (27.Nd5 Bb2 28.Rc7+/–) 1–0. Zednik,Martin – de Bouver,Guido, Orang–Utan Invitational, 2002.

8.c4 0-0 9.Ngf3 Qa5 =.

8.c4 0-0 9.Ngf3 Bd7 10.Bd3 dc4 11.Nc4 =.

8.Bd3 Bd7 9.Ngf3 0-0 10.c4 h6 11.0-0 Rc8 12.cd5 Nd5 13.h3 f5 14.e4 Nf6 (14...Nf4!? 15.Bc2 fe4 16.Be4 Be8=) 15.ef5+= ef5 16.Qb3 Kh8 17.Ne5 (17.Qb7? Rb8 18.Qa6 Rb2–+) 17...Ne5 18.de5 Nh5 19.Rad1 (worse is 19.Qb7 Bc6 20.Qa7 Qd3 21.Qe7 Qd2–/+) 19...Bc6 20.Bb5 Qb6 21.a4 a6 (better is 21...Bb5!? 22.ab5 Nf4=) 22.Nc4+/– Qc7 23.Bc6 Qc6 24.Nd6 Bd6 25.Rd6 Qe4 26.e6 (better is 26.Rd7 b5 27.e6 ba4 28.Qd1+=) 26...Nf4–/+ 27.Qf3 Qf3 28.gf3 Nh3 (better is 28...Rfe8!? 29.Rd7 Ne6–/+) 29.Kh2+= Ng5 30.f4 Ne4 31.Rd7 Nf6 32.Rb7 Rfe8 33.Rg1 Ng4? (better is 33...Rc2 34.Bf6 gf6=) 34.Kh3+– Nf2? (34...Re6 35.Rg7 Rb6+–) 35.Kh4 Ng4 (35...Rg8 36.Bg7 Rg7 37.Rgg7 Re8 38.Rh7 Kg8 39.Rbg7 Kf8+–) 36.Rg7 (36.Bg7?! Kg8 37.Bh6 Re6+=) 36...Rc2 37.R7g4 (better is 37.Ba1 Rh2 38.Kg3+–) 37...Rb2+= 38.Rg6 Rh2 39.Kg3 Rh5 40.Re1 Kh7 41.Rf6 Kg7 (better is 41...Rg8!? 42.Kf2 Rg4+/–) 42.Rf7+/– Kg8 (better is 42...Kh8!?+/–) 43.Ra7+– Kf8 44.Ra6 Re7 45.Ra8 Kg7 46.a5 Rg5 (46...Kh7+–) 47.fg5 hg5 48.a6 f4 49.Kg4 Kg6 50.a7 Re6 (50...Kg7 51.Rg8! Kf6 52.a8Q Re8 53.Qe8 f3 54.Qd8) 51.Re6 1–0. orangutanb4 (1895) – donkalojo (1725), 2011.

8.Ngf3 0-0 9.c4 dc4 10.Bc4 b6 11.0-0 Bb7 12.Qe2 Rc8 13.Ba6 (13.e4 Qd7=) 13...Ba6 14.Qa6 Qd7 15.Rfc1 Rc7 16.Nc4?? (16.Ne5 Ne5 17.Rc7 Qc7 18.de5 Qc2=+) 16...Rfc8?? (better 16...Nb8 17.Nb6 ab6 18.Rc7 Qc7-+) 17.Nce5= Ne5 18.Ne5 Rc1 19.Rc1 Rc1 20.Bc1 Qc7 21.Qf1 Bd6 22.f4 Be5 23.fe5 Ne4 24.Qd1 Qc6 (24...Qc3 25.Kf1=+) 25.Bb2 h6 26.Qc1 Qd5 (26...Qc1 27.Bc1 h5 28.Kf1=+) 27.Qc8 Kh7 28.Qc2 g6 29.Bc1 Kg7 30.Bd2 a5 (30...Nd2 31.Qd2 Qb3 32.Qc1=) 31.Be1+= g5 32.Qb2 (32.a4 Kg8+=) 32...Kg6 (32...Qc4!?=) 33.Qb6+= Qa2 34.Qb5 (34.Qd8 Kg7 35.Qa5 Qe2=) 34...Qc2 (better 34...Qa3 35.Qe2 a4-/+) 35.Qa5 g4 (35...Qe2 36.Qb4 Qe3 37.Kh1 g4=) 36.Qb4 (better 36.Qb5!?+/-) 36...h5 (36...Qe2 37.a4=) 37.a4 (better 37.Qb5 Qc1 38.Qe2 Qa3 39.Bh4+=) 37...h4? (better 37...Qe2=) 38.Bh4+- Nd2 39.Be1 Nc4 (39...Ne4 40.Qb5 Qd1 41.Qf1 Qa4 42.Qe2+-) 40.a5 (40.Qf8!? Qf5 41.Qg8 Kh6 42.Qh8 Kg6+-) 40...Ne3 41.Qd2 Qe4 42.a6 Nc4?! (42...Ng2 43.Qg2 Qe1 44.Qf1 Qe3 45.Qf2 Qc1 46.Kg2 Qc7+-) 43.Qf2 Ne3 (43...f5 44.ef6 Nd6 45.h3+-) 44.a7 (44.Qf6 Kh7 45.Qf7 Kh6 46.Qe6 Kg7 47.Qf6 Kh7 48.Qf2 Qd4 49.Qf7 Kh8 50.Qf8 Kh7 51.Qe7 Kg8 52.Qg5 Kh7 53.h3 Nf5 54.Kh1 Qe5 55.Qh5 Kg7 56.Qg4 Kh7 57.Bf2 Ng3 58.Qg3 Qa1 59.Kh2 Qa6 60.Bd4+-) 44...g3 (44...Nf5 45.Bb4+-) 45.hg3 (better 45.Qf6 Kh5 46.Qf7 Kh6 47.Qe6 Kh5 48.Qe8 Kg5+-) 45...Kh7 (45...Ng4 46.Qd2 Kh7+-) 46.a8Q (better 46.Qf7 Kh8 47.Qf3 Qf3 48.gf3+-) 46...Qa8 47.Qe3 (47.Qf7!? Kh8 48.Qh5 Kg7 49.Qg5 Kh7 50.Qe3 Qb7+-) 47...Qd5 48.Bb4 Kg6 (48...Qb7 49.Qd3 Kg7 50.Bc5+-) 49.Be7 (49.Bf8 Qd4 50.Qd4 Kg5 51.Qf4 Kh5 52.g4 Kh4 53.Be7 f6 54.Bf6) 49...Qa2 (49...f6 50.ef6 Qf5 51.g4 Qb1 52.Kf2+-) 50.Bf6 (50.Bf8 Qd2 51.Qd2 f6 52.Qh6 Kf5 53.Qf4 Kg6 54.Qf6 Kh5 55.Qh6 Kg4 56.Qg6) 50...Qb1 51.Kh2 Qf5 52.Qf4 (better 52.Qf3!? Qf3 53.gf3 Kh7+-) 52...Qh5 (52...Qf4 53.gf4 Kf5 54.Kg3+-) 53.Qh4 1-0. sezwho (2085) - shaf (2155), Rated Bullet game, lichess.org, 2013.

8.Ngf3 0-0 9.Bd3 a6 10.0-0 b5 11.a4 =.

8.c4 dc4 9.Bc4 a6 10.Bd3 Nc6 11.Nf3 =.

8.Nd2 b6 9.Qe2 Bb7 10.Ngf3 Nbd7 11.h3 Ne4 12.Bb5 Rc8 13.Ne4 de4–/+ 14.Nh2 f5 15.Rc1 Nf6 16.Ba6 Ba6 17.Qa6 Bd6 18.c4 Qc7 19.Nf1 f4 20.c5 bc5 21.dc5 Bc5–/+ 22.Qe6 Kh8 23.Ke2 f3–+ 24.gf3 ef3 25.Kd3?? Rfd8 26.Bd4 Bd4 27.Rc7 Be5 28.Kc4 Rc7 29.Kb4 Rb8 30.Ka4 Nd7 (31.Qd7 Rd7 32.Nd2 Rd6 33.Nc4 Ra6 34.Na5 Bc3 35.Rd1 Ra5#) 0–1. Diener,Rudolf – Karker,N, corr ICCF EU/M/Gr/722 (year?).

8.Nd2 Qb6 9.Bc3 =.

8.Nf3 Nc6 9.0-0 a6 10.Nbd2 b5 11.a4 =.

8.Nd2 Qa5 9.Qe2 0-0 10.Ngf3 b5 11.0-0 =.

8.Nf3 Qb6 9.Qc1 Bb5 10.0-0 0-0 11.Nc3 Bd3 12.cd3 Nc6 13.Rb1 Qc7 (13...Rac8 14.h3+=) 14.Qc2= Rfc8 15.Rfc1 Qd7 16.Ne5 Ne5 17.de5 Ne8 (17...Ng4 18.d4=) 18.Qb3+= b6 19.a4 Rc6 20.Nb5 ½–½. Heard,Andrew H (1945) – Devane,Eoin, The Four Nations Chess League, 2011.

7.Bb5 Bd7 8.Be2 Nc6 9.0-0 a6 (9...Bd6 10.c4=+) 10.d3= Rc8 11.Nbd2 Ng4 12.c4 Be3 13.fe3 Ne3 14.Qb3 Nf1 15.Rf1 dc4 (15...Qa5 16.Bc3 (16.Qb7 Rc7 17.Qb3 Rb8–+) 16...dc4 17.Nc4+/– (17.Ba5?! cb3 18.Bb6 Ne7=+; < 17.dc4 Qc5 18.Rf2 Qe3+=)) 16.dc4+/– h6 (16...e5 A) < 17.Ne5 Ne5 18.Be5 Qe7–/+; B) 17.Qb7? Rb8 18.Qa6 Rb6–+ (18...Rb2 19.c5–+); C) < 17.Be5 Re8–/+; D) 17.c5+/–) 17.c5 (17.Qb7 Rb8 18.Qa6 Rb2–+) 17...Ne7 18.Ne4 (18.Qb7 Rb8 19.Qa6 Rb2–/+) 18...Bc6 19.Nd6 Rb8 20.Qc3 f6 21.Nd4 Bd5 22.Bc4 Nc8? (22...Qd7 23.Re1 Bc4 24.Qc4 Nc8+–) 23.Ne6 Be6 24.Be6 Kh8 25.Nf7 (better is 25.Nf5 Ne7 26.Nh6+–) 25...Rf7 26.Bf7 Ne7 (26...Qe7 27.Bg6 Na7+–) 27.Rf6! Qd1 (27...gf6 28.Qf6) 28.Kf2 Rd8 (28...Qd6 29.Rd6 Nf5 30.Qg7 Ng7 31.Rh6) 29.Rh6 1–0. kamret (2230) – ploucdevancouver (1945), GameColony.com, 2003.

7.Nc3 b6 8.Ne2 Bb7 9.Ng3 Nbd7 10.Bd3 Ne4 11.Be4 (11.Nh5 g6 12.Ng3 Qc7=) 11...de4 12.Ng1 Nf6 13.N1e2 Qd7 (13...Rc8!?-/+) 14.Bf6= gf6 15.Nf4 Kh8 16.Qh5 Rg8 17.Qh6 Qe7 (better 17...Be7=+) 18.Ngh5+/- Rg6 19.Ng6 fg6 20.Nf4 Rd8?? (better 20...Kg8+=) 21.Ng6+- (21.Ng6 Kg8 22.Ne7 Be7 23.Qh3+-) 1-0. black_bishop_88 (2550) - ilovelosing33 (2435), lichess.org, 2020. (=1.a3 d5 2.b4 e6 3.Bb2 Nf6 4.Nf3 c5 5.bc5 Bc5 6.e3 0-0)

7.Nc3 Nc6 8.Be2 (8.Bb5 Bd6+=) 8...b6 (8...e5!?–/+) 9.d4 Be7 10.0-0 Bb7 11.Nb1 (11.Bd3 h6=) 11...Rc8 12.Nbd2 Na5 13.Rc1 (13.h3 Bd6+=) 13...Nc4–/+ 14.Nc4 dc4 15.c3 Qd5 16.a4 Rfd8 17.Ra1 Bd6 (17...Ne4 18.Qc2–/+) 18.Ba3+= Ba3 19.Ra3 Ng4 (19...Ne4 20.Qc2+=) 20.Ra1 Nf6 21.Ne1 (21.Ra3 Ne4+=) 21...e5 22.Bf3 e4 23.Be2 Qa5 24.Qc1 Nd5 25.Ra3 Re8 (25...Rc7 26.Qb2+=) 26.Qb2= Ba6 (26...g6 27.Nc2=) 27.Qa1 (27.Nc2 Rc7=) 27...f5 28.g3 g5 29.Ng2 Kg7 30.Re1 Re7 31.Bd1 Rf8 32.Bc2 Kg6 33.h3 Bc8 34.Qa2 (34.Qb2+=) 34...Ba6 (34...Nc3!? 35.Qc4 Nd5–/+) 35.Qb2 (35.Qa1 Rc7+=) 35...Rfe8 36.Kh2 Kg7 37.Rg1 Kh8 38.h4 h6 39.Rh1 Kg7 40.Kg1 Rh8 ½–½. Inhoven,Stefan (2120) – Risting,Eivind Olav (1875), Helsingor DEN, Politiken Cup, 2014. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.e3 0-0)

7.d3 Nc6 8.Nbd2 Re8 9.d4 Bd6 10.Ne5 Nd7 11.f4 f6 12.Bd3? (better is 12.Nc6 bc6 13.Bd3+=) 12...fe5–+ (12...Be5?! 13.fe5 fe5 14.0-0+=; 12...Nce5?! 13.de5 fe5 14.fe5 Ne5 15.Bh7 Kh7 16.Qh5 Kg8 17.Be5 Be5 18.Qe5+=; 12...Nde5?! 13.fe5 fe5 14.de5 Ne5 15.Bh7 Kh7 16.Qh5 Kg8 17.Be5 Be5 18.Qe5+=) 13.fe5 Be5 (13...Bf8!? 14.0-0 g6–+) 14.de5 Qg5 (14...Nde5 15.0-0 Nd3 16.cd3+=) 15.0-0+= Nde5 16.Bb5? (16.Qe2!? Nd3 17.Qd3+=) 16...Bd7 (better is 16...Qe3!? 17.Kh1 Bd7–+) 17.Qe2–/+ Rf8 18.c4 (18.e4 Ng4–/+) 18...a6 19.Bc6 Bc6 20.a4? (better is 20.Rf4!? Ng6 21.Rg4–/+) 20...Nc4–+ 21.Bd4 Rf1 (better is 21...Rac8–+) 22.Kf1? (22.Rf1 Rf8 23.Rf4 Nd2 24.Qd2–+) 22...b5 (better is 22...e5!? 23.Nf3 Qf5 24.e4 Nd2 25.Qd2 de4 26.Be5 ef3 27.Qa2 Kh8 28.Qb2 fg2 29.Kg1–+) 23.a5 h6 24.Kg1 Nd2 (24...Rf8 25.Nf3 Qh5 26.Re1–+) 25.Qd2 e5 26.Bc3 d4! 27.ed4 Qd2 28.Bd2 ed4 29.Rc1 Bd5 30.Rc7 Rf8 (30...Re8 31.Rd7 Re2 32.Bf4 Rg2 33.Kf1–+) 31.h4 (31.Rd7!? Bc4 32.g3–/+) 31...Bc4 32.Rd7 Rf1 33.Kh2 d3 34.Bc3 Rc1 (better is 34...g5 35.Rg7 Kf8–/+) 35.Bg7?? (better is 35.Rg7 Kf8 36.Bd2–/+) 35...d2!–+ 36.Rd2 Kg7 37.Rd7 Kf8 38.Rd6 (38.Rb7 Ra1 39.g4–+) 38...b4 39.Rb6 (39.Rh6 b3 40.Rb6 Bb5 41.Rf6 Kg7–+) 39...b3 40.Rf6 (40.Kg3–+) 40...Kg7 41.Rf2 Rc2 0–1. Woloszyn,Piotr (1845) – Wojtaszewski,Piotr (1845), ch–City Poland, 2007.

7.Bd3 a6 8.g4 Nc6 (8...Ng4 9.Rg1 f5 10.h3-/+) 9.g5=+ Nd7 10.h4 (10.c4!? dc4 11.Bc4=+) 10...e5-/+ 11.Bf5 g6?? (11...e4 12.Bd7 Bd7-/+ (12...ef3?! 13.Bc8 Rc8 14.Qf3=)) 12.Bh3 (better 12.Bd7!? Bd7 13.Ne5 Ne5 14.Be5+=) 12...Qe7 (12...e4 13.Bd7 Qd7 14.Ne5-/+) 13.Nc3 Nb6 Black prepares the advance e4 14.a4 (14.Bg2 Bg4 15.Qb1 Rfd8-/+) 14...Bh3-/+ 15.Rh3 e4 16.a5 (16.Nh2 d4 17.Ne2 Qd7-/+) 16...Nc4 (16...ef3?! 17.ab6 Nb4 18.Na4+=) 17.Nd5 Nb2?? (better 17...Qe6 18.Nf6 Kh8-/+) 18.Ne7+- Kg7 (18...Ne7 19.Qc1 Nc4+-) 19.Qb1 Be7 20.Qb2 Kg8 21.Qb7 (21.Nh2!? f5 22.h5 Bg5 23.hg6 h6 24.Qb7 Ne7+-) 21...ef3 (21...Rfc8 22.Nd4 Rab8 23.Qd7 Nd4 24.Qd4+-) 22.Qc6 1-0. black_bishop_88 (2500) - ald2 (2390), lichess.org, 2020. (=1.a3 c5 2.b4 e6 3.bc5 Bc5 4.Bb2 Nf6 5.e3 0-0 6.Nf3 d5)

7.Bd3 h6 8.0-0 Nbd7 9.c3 (9.Be2 Bd6=) 9...e5=+ 10.Bc2 e4 11.Ne1 (11.Nd4 Ne5=+) 11...Ne5 (11...Qb6 12.Ra2-/+) 12.d4=+ ed3 13.Nd3 (13.Bd3 Qb6 Combination; 13.Nd3 Bg4 Combination) 13...Nd3 (13...Bd6 14.Ne5 Be5 15.Nd2=+) 14.Qd3= Qb6 15.Bc1 Bd7 16.a4 a5 (16...Rfe8 17.Ba3=) 17.Na3 (17.Ba3 Rac8=) 17...Bd6 18.Nb5 Bb5 19.ab5 Rac8 (19...Rfc8 20.Bb2=+) 20.Bb2 (20.Ba3 Ba3 21.Ra3 Rc4=) 20...Rfe8 21.Ra4 Ne4 The backward pawn on c3 becomes a target (21...Re4 A) worse 22.Re4 de4 (worse 22...Ne4 23.Qd5 Nf6 24.Qb3+/-) 23.Qe2 Qc7=+; B) 22.Rfa1 Ra4 23.Ra4=) 22.Rd1 (22.Qd5 Nc3 23.Bc3 Rc3=) 22...Nf6 (22...Rc5!?=) 23.c4+= Be5 24.Be5 Re5 25.Re1 (better 25.Qc3!? Rh5 26.Bd3+=) 25...dc4-/+ 26.Qc3 (26.Rc4!? Rc4 27.Qc4 Qb5 28.Qa2-/+) 26...Qb5 27.Rb1 Qc6?? (better 27...Qd5-/+) 28.Qe5+- Nd7 (28...b6 29.Qf5 g6 30.Qh3+-) 29.Qf5 1-0. e4_e5_f4 (1780) - ssn651234 (1745), lichess.org, 2020.

7.d4 b6?? 8.dc5+– bc5 9.Be2 Qa5 10.Nbd2 Ne4 11.0-0 Nd2 12.Qd2 Qd2 13.Nd2 Nd7 14.c4 dc4 15.Nc4 f6 16.Rfd1 e5 17.Rac1 h6 (17...Rb8 18.Rd2 Re8 19.Nd6+–) 18.Nd6 Nb6 19.Nc8 (better is 19.Rc5 Be6+–) 19...Rfc8 20.Bc4 Kh8 21.Be6 Rc7 Black prepares the advance c4 22.Rc2 c4 23.Rdc1 Rc6 24.Bc4 Nc4 25.Rc4 Rb6 26.Bc3 Rb3 27.Bb4 a5 28.Bc5 Rd8 29.g3 a4 30.Bb4 Rd2 31.Bd2 1–0. Fournier,Frederic (1810) – gauchocrazy, Active, 2011.

7.d4 Nc6?? 8.Bd3?? (better is 8.dc5 Ne4 9.Be2+–) 8...Be7 9.Nbd2 a6 10.0-0 Bd7 11.c4 dc4 12.Nc4 Na5 13.Na5 Qa5 14.Qd2 Qb6 15.Rab1 Rac8 16.Bc3 Qd6?? (better is 16...Qc6 17.Bb4 Bb4 18.Qb4 b5+=) 17.Bb4+– (17.Rb7?! Qa3 18.Bb2 Qd6+/–) 17...Qc7 18.Be7 Rfe8 19.Bb4 (19.Bf6 gf6 20.Rfc1 Bc6+–) 19...Ba4 20.Rfc1 Qd7 21.Rc8 Rc8 22.Rc1 Rc1 23.Qc1 b5 (23...Qc6 24.Qb2+–) 24.Qc5 g6 (24...Qe8+–) 25.Qf8 1–0. Fournier,Frederic – Schaakmans (1785), Partie evaluee, 1m + 0s, 2008.

7.d4 Nbd7 8.Bd3 Re8 9.Nbd2 e5 10.de5 Ne5 11.Ne5 Be5 12.h3 ab4 13.ab4 Be6 14.Ra8 Qa8 15.Nf3 Qa2 16.Qa1 Qa1 17.Ba1 Bd6 18.Ng5 Bd7 19.Bb2 c5 20.bc5 Bc5 21.Nf3 b5 22.0-0 b4 23.cb4 Bb4 24.Rb1 Be7 25.Bd4 h6 26.Rb7 Bd6 27.Bf6 gf6 28.Rd7 1–0. marekt – NN, GameColony.com, 2002.

7.d4 Be7 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 c5 5.bc5 Bc5 6.d4 Be7 7.e3 0-0).

7.Be2 Nc6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.Be2 0-0).

7.Be2 Bd6 8.0-0 b6 9.Ne5 Nbd7 10.f4 Qc7 11.d4 (11.Nd7!? Nd7 12.Bd4=) 11...Ne4=+ 12.Bd3 f5 13.Nd2 Ne5 14.fe5 Be7 15.Ne4 de4 16.Bb5 Bg5 17.Qe2 a6 18.Bc4 (18.Ba4 b5 19.Bb3 Qf7=) 18...b5 (better 18...Be3 19.Kh1 f4-/+) 19.Bb3= Kh8 20.g4 g6 (20...Qb6 21.Bc3=) 21.Kg2 (21.d5 ed5 22.Bd5 Rb8+=) 21...Bb7 (better 21...Qb6=) 22.Rh1?? (better 22.Be6 f4 23.ef4 Bf4 24.a4 e3 25.Kg1+=) 22...f4-+ 23.ef4 e3 24.Kh3 Bf4 25.Rhf1?? (25.Be6 Qg7 26.d5-+) 25...Qg7 26.g5 Bg5 27.Qg4 (27.d5 Bf4 28.Qg4-+) 27...Qh6 28.Kg3 Bf4 (28...Rf1 29.Rf1 e2 30.Rg1 Bh4 31.Qh4 Qe3 32.Kg4 h5 33.Qh5 gh5 34.Kh4 Qf4 35.Kh3 e1Q 36.Rg8 Rg8 37.Be6 Qee3) 29.Rf4= Rf4?? (better 29...g5 30.Rf6 Rf6 31.ef6 Qf6=) 30.Qf4+- g5 31.Qf6 Qf6 32.ef6 (32.ef6 Bd5 33.Re1+-) 1-0. erindreki (2390) - RafixuS (2260), Rated Bullet game, lichess.org, 2015.

7.Be2 Re8 8.d4 (8.0-0 Nc6=) 8...Bf8 (8...Qb6 9.Ra2 Bd6 10.c4=) 9.0-0 b6 10.Nbd2 Nbd7 11.c4 Bb7 12.Rc1 Rc8 13.Qb3 (13.Bd3 Bd6=) 13…dc4 ½–½. Wong,Ray – Wilk, corr 3GMM–23, 1996.

7.g3 Nc6 8.d4 Bd6 9.Bg2 (9.Nbd2 Re8=+) 9...Qb6 10.Bc1 (10.Ra2 Na5–/+) 10...Na5 (10...e5 11.de5 Ne5 12.Nbd2–/+) 11.0-0 Bd7 12.a4 Rfc8 13.Ba3 Nc4 14.Bd6 Qd6 (14...Nd6!? 15.Ra2 Qa5–/+) 15.Nbd2=+ Nb2 Exerts pressure on the isolated pawn (15...Qc7 16.Ra2=+) 16.Qc1 (16.Qb1 Na4 17.c4= (17.Qb7?? Rcb8 18.Qa8 Ra8–+)) 16...Na4–/+ 17.c4 dc4 18.Nc4 (18.Ne5 c3 19.Ndc4 Qa6–/+) 18...Qa6 (18...Qb4 19.Nfe5 Nc3 20.Qb2 Qb2 21.Nb2=+) 19.Nfe5=+ Rab8 20.Qc2? (better 20.Qa3!? Rc4 21.Rfb1–/+) 20...b5–+ 21.Nd7?? (better 21.Rfb1 Be8 22.Qb3 bc4 23.Qb8 Rb8 24.Rb8–+) 21...Nd7 22.Rfc1 Rc4 (worse 22...bc4 23.Ra4 (worse 23.Qa4 Qa4 24.Ra4 a5=) 23...Qb5 24.Ra7+–) 23.Qb3 Rc1 24.Rc1 Qb6 25.Rc6 (25.Qb4 a5 26.Qb3 Nf6–+) 25...Qa5 26.Qc2 0–1. Santana,Expedito (1660) – Sena Moura,Danielle (1835), Brazil Telecom Sesc Open, 2016.

7.g4 Nc6 8.g5 Ne4 9.h4 Re8 10.d3 Nd6 11.d4 Bb6 12.Bd3 Ne4 13.Nbd2 Ba5 14.Kf1 (14.c3 e5 (worse 14...Nc3 15.Bh7 Kh8 16.Qc2+=; worse 14...Bc3 15.Bc3 Nc3 16.Qc2+/-) 15.Ne4 de4 16.Be4 ed4-/+) 14...Nd2 15.Nd2 e5 16.de5 Ne5 17.Be5 Re5 18.Rb1 Re8 (18...Qc7 19.Nf3 Bg4 20.Rg1 Bh3 21.Ke2-/+) 19.Nb3=+ Bb6 (19...Bc7 20.Qh5 g6 21.Qf3=+) 20.Nd4 (20.Qh5 g6 21.Qh6 Qd6=) 20...Bd7 (20...Bc5 21.Kg2=+) 21.Qf3 Bc6 (21...Re5=+) 22.Nf5 (better 22.Qf5!? g6 23.Nc6 bc6 24.Qh3=) 22...d4-/+ 23.e4 Kh8 (better 23...Rc8!?-/+) 24.h5= Qg5 25.Rg1 (25.h6 g6 26.Nd6 Qe7 27.Qf7 Qf7 28.Nf7 Kg8=) 25...Qf6=+ 26.Rg7 Rg8 (26...Bd7 27.h6 Re5 28.Qg3 Bf5 29.Rf7 Bh3 30.Ke1 Re4 31.Be4 Qf7 32.Qe5 (32.Qh3 Re8 33.Qg2 Ba5 34.Kf1 b6-/+) 32...Kg8 33.Bd5+-) 27.h6= Bc7 28.Qg4 Be5?? (better 28...Rad8=) 29.f4+- Bc7 30.e5 Qe6 (30...Be5 31.fe5 Qe5+-) 31.Nd6 Bg2 (31...Qg6 32.Qg6 Bg2 33.Qg2 Rg7 34.Qg7) 32.Kf2 (32.Qg2 Qf5 33.Bf5 Rg7 34.Qg7) 32...f5 (32...Be4 33.Be4 f5 34.ef6 Qd7 35.Qd7 Rgf8 36.Rh7 Kg8 37.Rg1) 33.ef6 Qe3 (33...Qe7 34.fe7 Rg7 35.Qg7) 34.Kg2 Qd3 (34...Qd2 35.Kh1 Qd1 36.Rd1 Rg7 37.Qg7) 1-0. black_bishop_88 (2650) - bingo95 (2475), lichess.org, 2020. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.Nf3 c5 5.bc5 Bc5 6.e3 0-0)

8.d4 Ba7 9.Bd3 b5 10.a4 b4 11.Ne2 Nc6 12.c4 dc4 13.Bc4 Bb7 14.Nf4 Rc8 15.Qd3 Nd4 16.ed4 Bf3 17.gf3 Bb8 18.Nh3 Nd5 19.Ba6 Rc7 20.Qd2 Qh4 21.Bf1 Nc3 22.Qf4 1–0. marus1 – kanaal, internet, 2001.

8.d4 Bd6 9.Bd3 b5 10.0-0 Nbd7 11.e4 de4 12.Ne4 Ne4 13.Be4 Rb8 Black prepares the advance b4 14.Re1 (14.a4 Nf6 15.Bd3 b4=+) 14...Qc7 15.a4 (15.Ne5 Bb7=+) 15...b4 16.Bd3 (16.Ne5 Bb7=+) 16...a5 (16...Rd8 17.Ne5 Be5 18.de5=+) 17.d5 (17.Ne5 Be5 18.de5 Nc5=+) 17...e5 (17...ed5!? 18.Bb5 Nb6–/+) 18.Ng5 (18.Bb5 f6=+) 18...Nf6 19.Ne4 (19.Qe2 Re8=+) 19...Ne4 20.Re4 f5 21.Rh4 e4 22.Bb5 f4 23.Qd4 Bf5 24.Re1 Rf7 25.c4 (25.Bc6 Be7 26.d6 Qc6 27.de7 A) worse 27...Qa4 28.Rf4 Qd7 29.Qd7 (worse 29.Ree4 Re8=+) 29...Bd7 30.Rfe4+=; B) 27...Qc2?? 28.Qd8 Rd8 29.ed8Q Rf8 30.Qd5 Rf7 31.Rf4+–; C) 27...Re7 28.Rf4 Bg6–/+) 25...Qe7 (25...Be7 26.Rh5 Bc5 27.Qe5 Qe5 28.Be5–/+) 26.Rh5=+ e3 27.fe3 Rbf8 (27...fe3 28.h3 e2–+) 28.Kh1? (28.Qd1 fe3 29.c5 Bc5–+) 28...f3 (28...Bg4 29.Rh6 Bc5–+) 29.gf3= Bg6 30.Rh4 (30.Re5 Be5 31.Qe5 Qe5 32.Be5 Rf3–/+) 30...Rf3–/+ 31.c5 R3f4 (better 31...Bc5 32.Qe5 Qe5 33.Be5 Be3–+) 32.Rf4= (32.ef4 Qe1 33.Kg2 Be4 34.Kh3 Bf5 35.Kg2 Rf6–+; 32.cd6 Be4 33.Qe4 Qe4 34.Kg1 Rh4 35.Bd7 Rg4 36.Bg4 Qg4 37.Kh1 Rf2 38.Rg1 Qe4 39.Rg2 Qg2) 32...Rf4 33.ef4 (33.cd6?? Be4 34.Qe4 Qe4 35.Kg1 Rg4 36.Kf2 Qg2) 33...Qe1 34.Kg2 Be4 35.Kh3 Be5 36.Qe5 (36.fe5?? g5 37.Qe4 Qe4–+) 36...Qe3 37.Kh4 Qf2 38.Kg4 Qg2 39.Kh4 Qh2 40.Kg4 h5 41.Qh5 Bf3 42.Kf3 Qh5 43.Ke4 Qg6 44.Kf3 Qc2 (44...Qg1 45.Be5–+) 45.Bd4 b3 46.d6 b2 47.Bb2 Qb2 48.d7 Qf6 (48...Qd4 49.c6–+) 49.c6 (49.Ke4 Kf7–+) 49...Qd6 (49...g5 50.Ke4 Qf4 51.Kd5–+) 50.Kg2 (50.Ke3 Kf7–+) 50...Kf8 51.Kf3 Ke7 52.Ke4 Qe6 53.Kd4 Qf5 54.Ke3 Kd8 (54...Kd8 55.Kd4 Qf4 56.Kc5 g5–+) 0–1. pcmvr – angelofthenight, net–chess.com, 2017.

8.d4 Be7 9.Bd3 b5 10.e4 b4 11.ab4 Bb4 12.Nd2 Qc7 13.e5 Bc3 14.Bc3 Qc3 15.ef6 Qd4 16.fg7 Qg7 17.Ra3 Qe5 (17...Qg2?? 18.Bh7 Kg7 19.Rg3 Qg3 20.hg3+– (20.fg3?! Kh7 21.Qh5 Kg7+/–)) 18.Kf1 f5 19.g4 f4 20.Nf3 (20.c4 Rd8–/+) 20...Qg7 (20...Qd6 21.Ra2–/+) 21.Qe2 (21.g5 Nc6 22.Rg1 Rd8+=) 21...Nc6 (21...Qg4?? 22.Rg1 Qg1 23.Kg1+–) 22.c4 Ra7 (22...Rb8 23.Rg1–/+) 23.h4 (23.Rg1 Qc7–/+) 23...Nd4 (23...Nb4 24.Bb1–/+) 24.Nd4 (24.Bh7 Kh7 25.Qd3 Kh8 26.Qd4 Qd4 27.Nd4 dc4–/+) 24...Qd4 25.Rh3 Raf7 26.cd5 ed5 (26...Qd5?! 27.Be4 (27.Ba6?? f3 28.Qe1 Ba6 29.Kg1 Qd4–+) 27...Qd8 28.Ke1+=) 27.Ba6?? (better is 27.Qd1 Qf6 28.Qf3–/+) 27...f3–+ 28.Qd3 (28.Rhf3 Ba6 29.Qa6 Rf3 30.Qe6 R3f7 31.f3–+) 28…Ba6 (28...Ba6 29.Kg1 Bd3 30.Rd3 Qd3 31.Rg3 Rc8 32.Kh2 Qf1 33.Rg1 Qf2 34.Kh3 Rc2 35.g5 Qg1 36.g6 Qg2) 0–1. Evchin,Maxim (2265) – Ostrovskiy,Andrey (2075), Independence Cup, Kyiv UKR, 2003.

8.Be2 Qb6 9.Bf6+= gf6 10.cd5 e5? (better 10...ed5 11.Nc3 Qd6+=) 11.Nc3+– Kh8 (11...Nd7 12.Qc2+–) 12.Qc2 Rg8 (12...Be7+–) 13.Na4 (13.Na4 Qa5 14.Nc5+–) 1–0. Janek – Osso123, internet, 2018.

8.Be2 dc4 9.Bc4 b5 10.d4=.

8.Be2 Nc6 9.0-0 (9.d4 Be7=) 9...dc4 (9...d4 10.ed4 Nd4 11.Bd4 Bd4 12.Nc3=+) 10.Bc4= b5 11.Be2 Bb7 (11...Bd6 12.d4=) 12.d4 Be7 (12...Bd6 13.Bd3=) 13.Nbd2 (13.Bd3 Rc8=) 13...Na5 (13...Re8 14.Rc1=) 14.Bd3 Rc8 15.Qe2 Qb6 16.Ne5 h6 (16...Rfd8 17.f4=) 17.f4 Nd5? (better 17...Bd6!?=) 18.Nd7+– Qd6 (18...Qd8 19.Nf8 Qf8 20.h3+–) 19.Nf8+– Kf8 (19...Rf8 20.Rac1+–) 20.Rac1 Nc6 (better 20...Rc1 21.Rc1 Qd8+–) 21.Ne4 (21.Nb3 Rc7+–) 21...Qd8 (21...Qd7 22.Nc5 Bc5 23.dc5+–) 22.Nc5 Bc5 23.Rc5 Nd4?? (23...g6+–) 24.Bd4 1–0. Leonco – Jules, internet corr, 2018.

8.Nc3 Bb7 9.d4 Bd6 10.cd5 Nd5 11.Nb5 Be7 12.Rc1 Nc6 13.Bd3 a6 14.Nc3 Nc3 15.Rc3 Rc8 16.Qc2 h6 17.0-0 Qd7 18.Rc1 f5 19.Ba6+/– Nd4 20.Nd4 Ba6 21.Qb3 Rfd8 22.Ne6+– Rc3 23.Bc3 Qd5 24.Qd5 Rd5 25.Nc7 Ba3 26.Nd5 Bc1 27.Ne7 Kh7 28.Nf5 g6 29.Nd6 Be2 30.h3 b5+= 31.Ne4 Kg8 32.Bb4 Kf7 33.g4 Ke6 34.Bf8 h5 35.gh5 gh5 36.Kg2 Ke5 37.Nc3 Bc4 38.f4 Ke6 39.Kf3 Bd2 40.Ne2 Bd3 41.Bh6 Kd5 42.Ng3 b4 43.e4 Kc4 44.Nf5 b3 45.Bg7 Bc2 46.Bb2 ½–½. Vettenburg,Louis – Plock,Joerg, corr SOK–96–116, 1996.

8.Nc3 Bb7 9.d4 Bd6 10.cd5 Nd5 11.Nb5 Be7 12.Bd3 a6 13.Nc3 Nc3 14.Bc3 Nd7 15.0-0 Rc8 16.Qd2 (16.Bb4 a5 17.Be7 Qe7=) 16...Bf3 (16...Nf6 17.Rfc1=) 17.gf3= a5 18.f4 Bd6 19.Bb2 (19.Rfc1 Qh4=) 19...Qh4 20.Qe2 Rc7 (20...Nf6 21.Rab1=) 21.Rfc1 Rfc8 22.Qf3 Nf6 23.Rc7 Rc7 (23...Bc7? 24.Qb7 Rd8 25.Qc7+–) 24.Qg3 Qh6 25.h3 (25.Kg2 Nd5=) 25...Nd5 26.Qg4 g6 27.Kf1 Qg7 28.Qg5 h6 29.Qg2 Nf6 (29...Qf6 30.f5=) 30.a4 Nd5 31.Be4 Ne7 (31...Nc3 32.Bc6 Nd5 33.Bd5 ed5 34.Qd5+/–) 32.Kg1 Qf8 ½–½. Wysocki,Jan – Grazinys,Vidmantas, IECC, 1998. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 0-0 6.Bb2 d5 7.c4 b6)

8.Nc3 Bb7 9.d4 Be7 10.Rc1 (10.cd5 Nd5 11.Bd3 Nc3 12.Bc3 Nd7=) 10...Nc6 (10...Nbd7 11.cd5 Nd5 12.Bd3=) 11.cd5 Nd5 12.Bd3 Nc3 (12...Rc8 13.0-0=) 13.Rc3+= Qd5 (13...f5 14.0-0+=) 14.0-0 (14.Qc2 Kh8+=) 14...Na5 15.Qc2 (15.e4 Qd6+=) 15...f5 (15...Qh5 16.Qe2+=) 16.Re1 Bg5 (16...Qd6 17.e4+=) 17.e4+– fe4? (better 17...Qd8+–) 18.Be4+– (18.Re4?! Bf4 19.Ne5 Rad8+=) 18...Qd8 19.Bh7 Kh8 20.Ng5 Qg5 21.Rg3 Qf6 (21...Qe7 22.d5! Bd5 23.Qg6+–) 22.d5! Bd5 (22...Bd5 23.Bf6 Discovered attack; 22...ed5 23.Bf6 Discovered attack) 23.Bf6 Rf6 (23...Be4 24.Bg7 Kh7 25.Qe4 Rf5 26.Bf8 Raf8 27.Qh4 Rh5 28.Qh5) 24.Qc7 (24.Qc7 Rf7 25.Qf7 g5 26.Rg5 Bg2 27.Qg7) 1–0. Adlai – Kysei, corr, 2018.

8.Nc3 dc4 9.Bc4 Bb7 10.d4 (10.0-0 a6=) 10...Bd6 11.0-0 (11.Bd3 Nc6=) 11...Nbd7 12.Qe2 (12.Bd3 Rc8=) 12...Rc8 (12...Bf3 13.gf3 Nd5 14.Nb5=) 13.Bd3 Qc7 (13...Qe7 14.Nb5+=) 14.e4 (14.Nb5 Qb8 15.Nd6 Qd6+=) 14...Be7 15.g3 (15.Rac1 Qf4=) 15...Qb8 (15...Rfd8 16.Rfc1=) 16.Rac1 h6 (16...Rfd8 17.Rc2=) 17.Rc2 (17.Rfd1 Rfd8=) 17...Rfd8 (17...Rc7 18.Rfc1+=) 18.Rfc1 Kf8 (18...e5 19.de5 Ne5 20.Ne5 Qe5 21.Nb5 Rc2 A) worse 22.Be5 Re2 23.Be2 Be4–/+ (worse 23...Ne4 24.Rc7+–); B) 22.Rc2+=) 19.Kg2 (19.h3 Kg8+=) 19...g5 (19...Kg8 20.h3=) 20.Kg1 (20.Nd2 g4+–) 20...g4+= 21.Nh4 h5 22.Qe3 Ng8 23.e5 Bh4 24.gh4 Qa8 (better 24...f6!?+–) 25.a4+– Bh1? (better 25...f6 26.ef6 Ngf6+–) 26.Ba3 Ke8 27.Ne4 Rc2 28.Rc2 Bf3 (28...Nc5 29.Bb5 Rd7+–) 29.Qg5 Be4 (29...Nc5 30.Bb5 Qc6 31.Bc6 Kf8 32.Qd8 Kg7 33.Qg5 Kf8 34.Nc5 f6 35.Ne6 Kf7 36.Nd8) 30.Qg8 Nf8 31.Qf8 Kd7 32.Qf7 1–0. Janek – Leoni, internet free game, 2017.

8.d4 Be7 9.Nbd2 Bb7 10.Bd3 dc4 11.Bc4 Nbd7 12.0-0 Bd6 13.Ne5 Nd5 14.Nd7 Qd7 15.Qe2 Rac8 16.e4 Nf4=+ 17.Qe3 b5 18.Bc3?? Qe7 19.Nf3?? Ng6 20.Rfd1?? Bf4 (20...Bf4 21.Bb4 Be3 (21...Rc4?! 22.Be7 Be3 23.Bf8=; 21...bc4?! 22.Be7 Be3 23.Bf8=+) 22.Be7 A) 22...bc4?! 23.Bf8 Bf4 24.Bc5=+; B) < 22...Rc4 23.Bf8 (23.fe3?? Ne7 24.Rab1 a6–+) 23...Bf4 24.Bc5+=; C) 22...Ne7 23.Bb5 Bf4–+; better is 20...Rc4!? 21.Bb4–+). Konarkowska – Stadler, Belgrade, 1979.

8.d4 Be7 9.Nbd2 Nc6 10.Bd3 Na5 11.cd5 Nd5 12.0-0 Bb7 13.Rc1 f5 14.Ne5 Bd6 15.Ndf3 Rf6 16.Bb5 Rh6 17.Re1 g5 18.g3 g4 19.Nd2 Qg5 20.Nf1 Rf6 21.e4+= Ne7 22.Bd3 Be5= 23.de5 Rf7 24.ef5 Nf5 25.Be4 Raf8 26.Bb7 Nb7 27.Rc2 Nc5 28.Qd2 Qg6 29.Qd1 Rd7 30.Rd2 Rfd8 31.Rd7 Rd7 32.Qe2 h5 33.Rd1= Rd1 34.Qd1 ½–½. Munoz,J – Ribera,M, Valencia Aut.equipos, 1989.

8.d4 Be7 9.Bd3 Bb7 10.Nbd2 Nc6 11.0-0 Na5 12.Ne5 Rc8 13.Bc3 Nc4 14.Bc4 dc4 15.f3? (better is 15.Qb1–/+) 15...Nd5–+ 16.Qc1 Ne3 17.Re1 Nd5 18.Qb2 Nc3 19.Qc3 Qd5 20.Nec4 (20.Rac1 Rfd8 21.Re4 f6–+) 20...Rfd8 21.Re4 (21.Rac1 Qd4 22.Qd4 Rd4–+) 21...Bf6 22.Qd3 Bd4 23.Rd4 Qd4 24.Qd4 Rd4 25.Ra2 Rcc4 (25...Rcc4 26.Nc4 Rc4–+) 0–1. Orsatti,Marcello (1640) – Fantini,Marco (1850), Trieste op–B, 2004. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 b6)

8.cd5 ed5 9.Qc2 Bb7 10.Be2 Nbd7 11.0-0 a6 12.Qf5 Re8 13.Qh3 Nf8 14.Qf5 Rc8 15.Bd3 Ne4=+ 16.Nd4 Rc7 17.Qf3 Ng6 18.Qe2 Qa8 19.f3 Nf6 20.f4 Ne4 21.Nf5 Bf8 22.Nc3 Qc8 23.Nd4 Bd6 24.Qd1 b5 25.Ne4 de4 26.Be2 Bd5 27.Bg4 Qb7 28.Bc3 Qa7 29.g3 Rc4 30.Be2=+ Rcc8 31.Rf2 Ne7–/+ 32.Bf1 Qd7 33.Qh5 f5 34.Bh3 Rf8 35.Qg5 h6–/+ 36.Qh5 Kh7 37.Qd1 Bc4 38.g4=+ g6 39.gf5 gf5 40.Qh5=+ Bc5 41.Rg2+= Bd4 42.Bd4 Rg8 43.Rg5 Be6 44.Kh1= Rg6 45.Rag1 Rcg8 46.Bc5 Rg5 47.Rg5 Rg5 48.fg5+= Ng8 49.Bd4 Bf7 50.Qh4 Qe6 51.Qf4 Bg6 52.gh6 Nh6 53.Qb8 Be8 54.Bf1 Qf7 55.Qe5 Bc6 56.Be2 Bd5 57.Bh5!+/– Qg8 58.Qf6 Bf7 59.Qe7 a5 60.Bc3 a4 61.Bb2 b4+/– 62.ab4 a3 63.Ba3 Qg7 64.Bf7 Nf7 65.b5 Qa1 66.Kg2 Qa2 67.Bb4 Qc4 68.Kg3 Kg6 69.Bc3 Qd5 70.Kh4 (70.Kh4 Qd8 71.Qd8 Nd8 72.Kg3+–; 70.Qf6 Kh5+–) 1–0. Kuleshenko,Valery Yosifovich – Auer,G, corr UdSSR–BRD, 1957.

8.cd5 ed5 9.d4 Bd6 10.Bd3 (10.Nc3 Ba6=) 10...Bb7 (10...Ba6 11.Nc3=) 11.Nc3 Re8 (11...Ba6 12.Nb5=) 12.Nb5 Be7 (12...Nc6 13.Nd6 Qd6 14.Rc1=) 13.Rc1+= Bc6 (13...Na6 14.Ne5+=) 14.Ne5+– a6 (14...Bb5 15.Bb5 Rf8 16.0-0+–) 15.Nc6 Qd7?? (better 15...Nc6 16.Rc6 ab5+–) 16.Ne5+– Qd8 17.Nc7 Ra7 18.Ne8 Qe8 19.Rc3 (19.Bf5 Rb7+–) 19...h6 (19...Nbd7 20.Qc2 Ra8 21.Ba6 Ra6 22.Rc8+–) 20.Qc2 Bd8 21.Rc8 Rb7 22.0-0 Qf8 (22...Qe7 23.Bc3 a5 24.Rb1+–) 23.a4 b5 (23...g5 24.Bg6! fg6 25.Qg6 Rg7 26.Qh6+– (26.Rb8?! Rg6 27.Ng6 Qd6+–)) 24.Qc5 Qe8 25.Rc1 (better 25.Qd6 Nbd7 26.Qa6+–) 25...Nfd7 (25...Nbd7 26.Qc6 Ra7 27.ab5 ab5 28.Qb5 Ne5 29.de5 Qb5 30.Bb5 Ne4 31.Rd8 Kh7+–) 26.Qd5 Ra7 27.Rd8! Qd8 (27...Qd8 28.Nc6 Double attack (28.Nc6 Decoy)) 28.Qf7 Kh8 29.Ng6 Kh7 30.d5 (30.d5 Ne5 31.Ne7 Kh8 32.Be5 Re7 33.Bg7) 1–0. michaelbuss (2805) – margor63 (1735), ChessWorld.net, 2012.

8.cd5 ed5 9.Be2 Ba6 10.Ba6 Na6 11.0-0 Bd6 12.Nc3 Nc5 13.Nb5 Bb8 14.Rb1 a6 15.Nbd4 Qd7 16.Ne2 Qe6 17.Bd4 Nfd7 18.Qc2 f6 19.Nh4 Qg4 20.Nf3 Qe6 21.Nc3 Ne4 22.a4 Bd6 23.Qa2 The isolani on d5 becomes a target 23...Nc3 24.Bc3 Rfc8 25.Nd4 Qf7 26.Nf5 Bf8 27.Bd4 g6 28.Ng3 Bc5 29.Ne2 Bd4 30.Nd4 Rc5 31.Rb2 Rac8 32.f4 f5 33.Nf3 h6 34.Qb1 Qe6 35.Qd3 Rc4 36.Nd4 (36.Qa3!?=) 36...Qd6–/+ 37.Ra1 (37.Qb3 Rb8+=) 37...Nc5 38.Qe2 Ra4 39.Rab1 (39.Ra4 Na4 40.Rb1 Nc5–/+) 39...b5 40.g4 (40.Rc2 Rc4–/+) 40...Kh7 (better is 40...Ne6!? 41.Nc2 d4–+) 41.gf5–/+ gf5 42.Nf5 Qg6 43.Ng3 Ne4 44.Kg2 Rg8 45.Qf3 h5 46.d3 Nf6 47.Kh1 (better is 47.f5!? Qg5 48.Kh1–/+) 47...h4–+ 48.f5 Qg5?? (better is 48...Qg4 49.Qg4 Ng4–+ (49...Rgg4?! 50.Ne2+=; 49...Rag4?! 50.Ne2–/+)) 49.Rg1?? (better is 49.Ne2=) 49...Rg4 (49...hg3 50.Rbg2 Qh4 51.Rc1–+) 50.Rbg2 (50.Rc2 hg3 51.hg3 Rh4 52.Kg2 d4–+) 50...hg3 51.Rg3 Qh4 (51...Qh4 52.Kg2 Rg3 53.hg3 Nh5–+) 0–1. Wiedner,R (2180) – Penz,H (2320), TCh–AUT 2nd Ost, 2015. (=1.Nf3 d5 2.e3 Nf6 3.b4 e6 4.a3 c5 5.bc5 Bc5 6.c4 0-0 7.Bb2 b6)

8.cd5 ed5 9.Be2 Bb7 10.0-0 Nc6 11.d4 Bd6 12.Ne5 Re8 13.f4 Ne4 14.Nd2= Nd2 15.Qd2 f6 16.Nc6 Bc6 17.Bd3 Qd7 18.Qe2 b5 19.g3 b4 20.ab4 Bb4 21.Rfc1 a5 22.Qc2 Re3?? 23.Bh7 Kh8 24.Bf5 (24.Bf5 Re6 25.Bc3+– (< 25.Be6 Qe6 26.Bc3 Bc3 27.Qc3 Bb5+–)) 1–0. Zenner – Hornik, corr, 1981.

8.Be2 dc4 9.Bc4 Bd6 10.Nc3 =.

8.Be2 Nc6 9.0-0 (9.d4 Bd6=) 9...d4+= 10.Qc2 Qd6 (10...e5 11.Bd3+=) 11.e4 (11.ed4 Nd4 12.Nd4 Bd4+=) 11...Rd8 12.d3 Ne4?? (better is 12...e5+=) 13.de4+/– d3 14.Qc3 Nd4? (better is 14...e5 15.Rd1 Nd4 16.Bd3 Nf3 17.gf3 Bd4+/–) 15.Qd3+– 1–0. Dominguez,JM (2350) – Munoz,Li (2395), Open, Santo Domingo DOM, 2006. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 0-0 6.c4 d5 7.Bb2 b6)

9.Nc3 Ba6 10.Qa4 dc4 11.Bc4 Bb7 (11...Bc4 12.Qc4 Qd7 13.Rc1 Nc6 14.0-0 h6 15.Qd3 Rac8 16.h3 Na5) 12.Be2 (12.0-0 Nc6 13.Rac1 a6 14.Bd3 b5 15.Qd1 Rc8 16.Ne4 Ne4) 12...a6 13.0-0 b5 14.Qc2 Nbd7 (14...Qc7 15.Qd3 Nc6 16.Rfc1 Rac8) 15.Rfc1 (15.e4 Be7 16.Bd3 Rc8) 15...Rc8 (15...Qe7 16.Bd3 Rac8) 16.Qd3 (16.Qb3 Qb6) 16...Nb6 (16...e5+=) 17.e4 (17.Ne5!?+=) 17...Bf4 18.Rc2 Nc4 19.Bc1 Bc1 20.Rcc1 (20.Rac1? Na3 21.Ra2 b4–+) 20...Qe7 21.e5 Nd5 22.Nd5 Bd5 (worse is 22...ed5 23.Bd1=) 23.Nd2 Qg5 24.Ne4 Be4 25.Qe4 Nd2 26.Qe3 Qe3 27.fe3 ½–½. Suau Mercer,P (1920) – Trillo Figueroa Vidal,A (1835), 74th ch–ESP Absoluto, Palma de Mallorca, 2009. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 b6 8.d4 Bd6)

9.Nc3 Ba6 10.Nb5 =.

9.Nc3 Bb7 10.Nb5 Be7 =.

9.Nc3 Bb7 10.Rc1 Nbd7 11.cd5 Nd5 12.Nb5 Be7 13.Bd3 N7f6 14.0-0 a6 15.Nc3 Nc3 (15...Rc8 16.Ne2=) 16.Rc3 Qd5 17.Re1 Rfc8 18.e4 Qa5 The isolani on a3 becomes a target 19.Qd2 Rc3 20.Bc3 Qa3 21.Ra1 Qb3 22.d5 Rc8 (worse 22...ed5 23.Nd4 Ne4 24.Be4+– (24.Nb3?! Nd2 25.Nd2 b5=)) 23.Bf6 Bf6 24.Rb1 Qa3 25.Rb6 Qc1 (25...Rc1 26.Bf1 Qa1 27.Qd3+–) 26.Bf1 Qd2 (26...Qd2 27.Nd2 Ba8 28.de6 a5+–). Pech,Jaroslav – Sternik,Ryszard (1765), FICGS, 2008.

9.Nc3 Bb7 10.cd5 Nd5 11.Bd3 f5 =.

9.Nc3 Bb7 10.cd5 Nd5 11.Nd5 Bd5 12.Bd3 f5 13.Qe2 Qf6 14.Rc1 Qg6 15.0-0 Nd7 16.Bc4 Be4 17.Rc3 a6 18.a4 b5 19.ab5+= Nb6 20.ba6 Nc4 21.Qc4?? Bf3–+ 22.g3 Rf6 23.Ra1 Qh5 24.h4 Qg4 25.Kf1 Bg3! (26.fg3 Qh3 27.Ke1 Qg3 28.Kd2 Qf2 29.Kc1 Qe1 (29...Qh4?! 30.Qf1 Qg3 31.Kd2–+) 30.Kc2 Be4 31.Kb3 Qh4–+) 0–1. Schulz,Hans_Juergen – Woelfelschneider,Peter, TT–04.08 TSC, 2002.

9.Nbd2 Ba6 10.Bd3 Nc6 11.0-0 Na5 12.Qe2 Rc8 13.cd5 Bd3 14.Qd3 ed5 15.Ne5 (15.Rac1 Qe7=) 15...Qc7 (15...b5 16.Bc3= (16.Qb5? Rb8 17.Qd3 Rb2–+)) 16.Rfc1 Qb7 17.Bc3 Nc6 18.f4 Rc7 19.Rf1 Rfc8 20.Bb2 b5 21.Rf2 (better is 21.Rac1!?+=) 21...Na5–/+ 22.Ndf3? (22.Qf5!?–/+) 22...Ne4–+ 23.Re2 (23.Rff1 f6 24.Ng4 Nc4–+) 23...f6 24.Ng4 Nc4 25.Qb3 (25.Nf2 Nb2 26.Rb2 Rc1 27.Rc1 Rc1 28.Nd1 Nc3–+) 25...a5 26.Nf2 (26.Rc2 a4 27.Qa2 f5–+) 26...a4 27.Qd1? (27.Qa2 b4 28.ab4 a3 29.Ne4 de4–+) 27...b4 (better is 27...Nb2 28.Rb2 Ba3 29.Rba2–+) 28.ab4 Qb4 (better is 28...a3 29.Ba3 Na3 30.Ne4 de4 31.Qb3 Kh8 32.Qa3 ef3 33.gf3 Qf3–+) 29.Ra4?? (better is 29.Nd3 Qb3 30.Qb3 ab3 31.g3–+) 29...Nb2 30.Rb4 Nd1 31.Rb6 Ndf2 (31...Ndf2 32.Rf2 Nf2 33.Kf2 Rc2 34.Kg3 Bc7–+) 0–1. Abatzidis,S (1935) – Melas,R (2130), ch–CYP Open, 2015. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 b6 8.d4 Bd6)

9.Nbd2 Bb7 10.Bd3 Qe7 11.0-0 Nbd7 12.Qe2 Ne4 13.cd5 ed5 14.Ba6 (14.a4 Rfc8=) 14...Ndf6 15.Rfc1 (better is 15.Bd3!?=) 15...Ba6–/+ 16.Qa6 Ng4 17.Ne4 de4 (worse is 17...Qe4 18.Rc6 Qe7 19.a4+=) 18.Ne5? (better is 18.h3!? Nf2 19.Ne1–+) 18...Be5–+ (18...Ne5?! 19.de5 Be5 20.Be5 Qe5 21.Ra2–/+) 19.de5 Qh4 (19...Ne5?! 20.Be5 Qe5 21.Rab1–/+) 20.Rc2 (20.Bd4 Qh2 21.Kf1 Qh1 22.Ke2 Qg2–+) 20...Qh2 21.Kf1 Qh1 (21...Rad8 22.Bd4 Rd4 23.ed4 Qh1 24.Ke2 Qa1 25.f3–+) 22.Ke2 Qg2 23.Rf1 Rad8 24.Bd4 Ne3! (24...Ne3 25.Ke3 b5 26.Qb5 Qf3 27.Kd2 Rd4 28.Kc1 Qa3 29.Qb2 Qd3–+) 0–1. Machala,Vladislav – Marsalek,Josef, CZE–chT2a, 1995. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 b6 8.d4 Bd6)

9.Nbd2 Bb7 10.Be2 Nbd7 11.0-0 Ne4 12.cd5 ed5 13.Rc1 a6 14.Ne4 de4 15.Nd2 Qe7 16.Nc4 Bb8 17.d5 b5 18.d6 Qe6 19.Qd4 Nf6 20.Nb6 Ba7 21.a4 ba4 22.Qb4 Rab8 23.Bf6 gf6 24.Na4 Bc6 25.Qa5+/– Ba4 26.Qa4 Rbd8 27.Rfd1 Bb8 28.d7 a5 29.g3 f5 30.Rc5 f4? 31.ef4+– h6 32.Qc6 Qc6 33.Rc6 Kg7 34.Bb5 f5 35.Kf1 Rf7 36.Rc8 Rff8 37.Rdc1 Bd6 38.Rd8 Rd8 39.Rc8 Be7 40.Ke2 Kf6 41.f3 ef3 42.Kf3 Ke6 43.Ke3 Kd5 44.Bc6 Kd6 45.Kd4 Bf6 46.Kc4 Be7 47.Kb5 Bf6 48.Ka5 Bc3 49.Kb6 Bd4 50.Kb7 Bf6 51.Ba4 1–0. Stein,Leonid – Garcia Martinez,Silvino, Capablanca Memorial Elite 6th, 1968. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 b6 8.d4 Bd6)

9.Nbd2 Qe7 10.Bd3 Ba6 11.Qe2 dc4 12.Bc4 Bc4 13.Nc4 Nc6 14.Nd6 Qd6 15.e4 Qe7 (15...Qf4 16.Nd2=) 16.0-0+= Rac8 17.Rac1 Nb8 18.Nd2 Rc7 19.Rc7 Qc7 20.Rc1 Qb7 21.f3 Rc8 22.Rc8 Qc8 23.Qc4 Qc4 (23...Qd7 24.Qd3=) 24.Nc4+= b5 25.Ne3 Ne8 26.Bc3 f6 27.d5 Kf7 28.Ba5 Nd7 29.Bb4 ed5 30.ed5 Ne5 31.Kf1 Nd3 32.Nc2 (32.Ke2!? Nb4 33.ab4+=) 32...Nb4= 33.ab4 (33.Nb4!? Ke7 34.Nc6 Kd6 35.Na7+=) 33...Ke7 34.Ke2 Kd6 35.Ne3 (35.Kd3 Kd5 36.f4 g6–/+) 35...Nc7 36.Kd3 Nd5 37.Nd5 Kd5 38.Kc3 g5 39.g3 h5 40.Kd3 Kc6 0–1. Haantola,Harri – Laagland,Goeran, X SenSM/F corr/Ks86 FIN, 1984.

9.Bd3 =+.

9.cd5 ed5 10.Nc3 Ba6 (10...Nc6 11.Bd3=) 11.Qb3+= Attacks the isolani on d5 11...Re8 12.Rc1 (12.Nd5? Nd5 13.Ne5 Be5 14.de5 Bf1 15.Rf1 Nc7–+) 12...Bb7 13.Bb5 Nbd7 14.0-0 Rc8 15.a4 Re7 (15...a6 16.Bd3+=) 16.Bd3+– h6 (16...a6 17.Ba3 Ba3 18.Qa3+–) 17.a5 (17.Nb5 Rc1 18.Rc1 Bb8+–) 17...Bc6 (17...a6 18.ab6 Qb6 19.Qa2+–) 18.Nb5 (18.a6 Re8+–) 18...Bb5 19.Rc8 (19.Qb5 Rc1 20.Rc1 ba5+=) 19...Qc8+= 20.Qb5 a6 21.Qa4 (21.Qb3 b5+=) 21...b5= 22.Qa1 (22.Qb3 Qb7=) 22...Nf8 (22...Nb8 23.Ne5=) 23.Ne5 Rc7 24.Ba3 (24.f3 Ne6=) 24...b4=+ 25.Bb2 Ne4 26.Qd1 f6 (26...Be5 27.de5 Ne6 28.f3=) 27.Nf3 (27.Qb3 Qe6 28.Nf3 Kh8=) 27...Nc3 (27...Qe6 28.Qb3 (worse 28.Ba6 Bh2 29.Nh2 Qa6–/+) 28...Nd7 29.Rc1 Rc1 30.Bc1+=) 28.Qb3+= Qb7 (28...Ne6 29.g3 Kf7 30.Nh4+=) 29.Rc1 Nb5 30.e4 (30.Rc7 Nc7 31.Nh4 Nfe6+=) 30...Rc1 31.Bc1 Nc7? (better 31...Ne6!?+=) 32.ed5+– Nd7 (32...g5 33.Nd2 f5 34.Bb2+–) 33.Nd2 (better 33.Qc4 Kf8 34.Nh4 Qd5 35.Qd5 Nd5 36.Ba6+–) 33...Kf8?? (better 33...f5+–) 34.Ne4 Ne8 35.Nd6 Nd6 36.Bd2 1–0. Mousse Neto,Sebastiao Alberto (2035) – Presa,LAP (1680), Championship Amazonense Absoluto – Fina, 2015.

9.Nc3 Bb7 10.Nd5 Bd5 11.Be2 Nd7 12.0-0 Rc8 13.Qb1 Be7 14.Rc1 Ba8 15.Rc8 Qc8 16.Qc1 Qb7 17.Qc4 Rc8 18.Qg4 Bf6 19.Bf6 Nf6 20.Qa4 Qd5 (better is 20...Qc7!?=) 21.Qa7+/– Qc5 22.h3 Bd5 23.Qa4 Ra8 24.Qb5 Ra3 25.Ra3 Qa3 26.Qb6 g6 27.Qd4 Ne4 28.Bf1 Qc1 Exerts pressure on the backward pawn 29.d3?? (better is 29.Qd3+/–) 29...Nc3–/+ 30.Qf6 Ne2 31.Kh2 Qf1 32.e4 Qh1?? (better is 32...Bc6 33.Qd8 Kg7–+) 33.Kh1 Bc6 (33...Ng1 34.Ne5 Be4 35.Qf7 Kh8 36.Qf8) 34.Qd8 (34.Ng5 Ng3 35.fg3 Be8 36.Qe7 e5 37.Qe8 Kg7 38.Qf7 Kh6 39.Qh7 Kg5 40.Qh4) 34...Kg7+– 35.Ne5 Nf4 36.Nc6 h5 0–1. orangutandu – orlweszpony, 2013. (=1.b4 e6 2.Bb2 d5 3.e3 Nf6 4.a3 c5 5.bc5 Bc5 6.Nf3 0-0 7.c4 b6 8.cd5 Nd5)

9.Nc3 Bb7 10.Be2 Nc3 11.Bc3 Nd7 (11...Nc6 12.0-0 Ne7 13.Qa4 Nd5 14.Bb2 Qe7 15.d4) 12.0-0 (12.Qc2 Nf6 13.Qb2 Rc8 14.0-0 Qe7 15.Rfc1) 12...Nf6 13.d4 (13.Be5 Bd6 14.d4 Ne4 15.Bc4) 13...Be7 (13...Ne4 14.Bb2 Bd6 15.Rc1) 14.Ne5 (14.Qa4 Ne4 15.Rac1) 14...Rc8 (14...Ne4 15.Be1) 15.Bb2 (15.Bb4=) 15...Bd6 16.Nc4 Ba6 17.Nd6 Be2 18.Qe2 Qd6 19.a4 Qd5 20.Rfc1 Qb3 21.Qb5 Qd5 22.h3 Ne4 23.Qa6 Qd7 24.f3 Nd6 25.Ba3+= Rc6 26.Rc6 Qc6 27.Rc1 Qd7 28.Bd6 Qd6 29.Qa7 Qa3 30.Rb1 Qe3= 31.Kh1 Qd4 32.Rb6 Rc8 33.Qc7 Qd8 34.Qd8 Rd8 35.a5 Rd1 36.Kh2 g6 37.Kg3 Kg7 38.Kf4 Rd5 39.a6+= Ra5 40.Ke4 Kf6 41.Kd4+/– Kf5 42.g3+– h5 43.Kc4 h4?? 44.gh4 Kf4 45.Kb4 Ra1 46.Kc5 Kf3 47.Rb3 Kg2 48.Kb6 f5 49.Re3?? Rb1 50.Kc5 Rc1 51.Kb4 Rb1? 52.Ka4 Ra1+= 53.Ra3 Rd1 54.Re3 Ra1= 55.Kb5 Rb1 56.Kc4 Rc1 57.Kd4 Rd1 58.Kc3 Rd6 59.a7 Ra6 60.Re6 Ra7 61.Rg6 Kh3 62.h5 Kh4 63.h6 Rh7 64.Kd4 Kh5 65.Rg1 Kh6 66.Rh1 Kg6 67.Rh7 Kh7 68.Ke5 Kg6 ½–½. Sotelo,Juan (1975) – Denisik,Sergei, Caleta ENG, 2013.

9.Nc3 Bb7 10.Be2 Nd7 11.Nd5 Bd5 12.0-0 Be7 13.d4 Nf6 14.Ne5 Nd7 15.Nd7 Qd7 16.Bf3 Bf3 17.Qf3 Rac8 18.Rfc1 h6 19.Qd1 Rc1 20.Rc1 Rc8 21.Rc8 Qc8 22.Qc1 Qc1 23.Bc1 Kf8 24.Kf1 Ke8 25.Ke2 Kd7 26.Kd3 Kc6 27.a4 a6 28.e4 b5 29.ab5 Kb5 30.Bb2 g6 31.f4 a5 32.g4 a4 33.f5 a3 34.Ba1 Bg5 35.fg6 fg6 36.Kc3 Bc1 37.Kb3 Bb2 38.Bb2 ab2 39.Kb2 Kc4 40.d5 ed5 41.e5 Kc5 42.Kc3 d4 43.Kd3 Kd5 44.e6 Ke6 45.Kd4 Kf6 46.h4 g5 47.h5 Ke6 48.Ke4 Kf6 49.Kd5 Kf7 50.Ke5 Ke7 51.Kf5 Kf7 ½–½. Fournier,Frederic (1855) – Lees,Jean Pierre (1780), Open APSAP, 2005.

9.d4 Bd6 10.e4 Nf4 11.Bc1 =.

9.d4 Bd6 10.e4 Nf4 11.g3 Ng6 12.Nbd2 Nc6 13.h4 Bb7 14.h5 Nge7 15.h6 g6 16.Ng5 Rc8 17.Ndf3 Na5 18.d5 Bb8?? (18...ed5 19.Nh7 Combination) 19.Nh7+– (19.de6?! f6 20.Qd8 Rcd8=) 19...Kh7 (19...f6 20.Nf8 Qf8 21.h7 Kh8 22.de6 Nac6+–) 20.Ng5 Kg8 21.h7 1–0. Perea Montero,Luis Antonio – Lacoste,Alain, ICCF World Cup10 prel–138, 1994. (=1.Nf3 d5 2.b4 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Bb2 0-0 7.c4 b6 8.cd5 Nd5)

9.Be2 Ba6 10.d3= Nc6 11.0-0 =.

9.Be2 Ba6 10.d3= Be3 11.fe3 Ne3 12.Qd2 Ng2 13.Kf2 Nh4+= 14.Rg1 Nf5?? 15.Nc3 Nc6 16.Ne4 f6 17.Qc3 Rc8 18.Nf6 Kh8 19.Nh7 Ncd4 20.Qd4 Nd4 21.Nf8 Ne2 22.Rg7 Qf8 23.Rg4 Kh7–/+ 24.Rh4 Kg8?? 25.Rh8+/– Kf7 26.Ng5 Kg6+= 27.Rf8 Rf8 28.Ke2 Kg5 29.Rg1 Kh5 30.Bc1 Rf5= 31.Rg7 Rd5 32.Ra7 Bd3 33.Ke3 Bf5 34.Rg7 Rd3 35.Kf4 Rd1 36.Be3 Rf1 37.Ke5 Re1= 38.Rg3 b5 39.Kf6 Rf1 40.Ke7 Bg4 41.h3 Bf5 42.Bg5 Rh1 43.h4 Rh3 44.Rh3+= Bh3 ½–½. Rausis,Igors (2575) – Schubert,Gerhard, Baden–Baden op, 1993.

9.Be2 Bb7 10.d4 Bd6 11.0-0 =+.

10.Bd3 Ba6 11.0-0 f6 12.Nc3 Nc3 13.Bc3 Bd3 14.Qd3 Nc6 15.e4 Qd7 16.Rfd1+= Rad8 17.Qc4 Bd6 18.d5 ed5 19.Rd5 Kh8 20.Rad1 Qc7 21.a4 Bc5= 22.Rd8 (22.R1d2 Rd5 23.Qd5 Nb4=) ½–½. Grott,Peter – Markus,Nico, DESC, 2000.

10.Bd3 Ba6 11.Nc3 Nc3 12.Bc3 Qc7 13.Bb2 Bd3 14.Qd3 Rc8 15.Rc1 Qc1 16.Bc1 Rc1 17.Ke2 Rh1 18.Qe4 Nc6 (18...Ba3? 19.Qa8 Bd6 20.Ne5+–) 19.Qc6 Rf8 20.Qd7 Ba3 21.Qa7 Ra1 22.Ne5 Ra2 23.Kf3 b5 24.Nd3 Ra1 25.Qa5 Rc8 26.g4 h6 27.h4 Bb2 (27...Rb8 28.Qc7 Ra8 29.Ne5+=) 28.Qb5+/– Bc3 29.Ne5 Rca8 30.g5 hg5 31.hg5 g6 32.Qc5 Be1 33.d5 R1a5 34.Qe7 R5a7 35.Qf6 ed5 36.Nc6 Rb7 37.Ne7 Re7 38.Qe7 Ra2 39.Qd8 Kg7 40.Qd5 Rf2 41.Kg4 Bc3 42.Qc5 Bb2 43.e4 Rd2 44.Qb4 Rf2 45.Kg3 Rc2 46.Kf3 ½–½. Fournier,Frederic – Peuraca Borijove, redhotpawn.com, 2009.

10.Bd3 Bb7 11.0-0 Nc6 12.Nc3 Nc3 13.Bc3+= Rc8 14.Qc2 h6 15.Qb2 Nb8 16.e4 f5 17.Rfe1 Bf6 18.Rac1 fe4= 19.Be4 Be4 20.Re4 Qd5 21.Rce1 Rfe8 22.Qd2 Qb3 23.Bb4+= Nc6 24.h3 Rcd8 25.Bc3 Qa3 26.Re6+= Re6 27.Re6 Na5 28.Qd3 Rc8 29.Rf6 Qc3 30.Qg6 Qc1 31.Kh2 Qc2 32.Rf5 (32...Qc6 33.Qf7 Kh7 34.Qa7 Qd6 35.g3+/–; 32.Qg4 Rc6 33.Rf4 Qg6+/–) 1–0. marekt – Harismuha, ChessWorld.net, 2004.

10.Bd3 Nc6 11.Qc2+/– Bb7 12.Bh7 Kh8 13.Bd3 Rc8 14.Qe2 Na5 15.Nbd2 Nc3 16.Bc3 Rc3 17.Ne5 (17...g6 18.Bg6 fg6 19.Ng6 Kg7 20.Nf8 Kf8 21.h4+/–) 1–0. Taulien,Hans_Juergen – Kim,Oi_sin, remoteschach.de, 2003.

10.Be2 Ba6 11.Ba6 Na6 12.0-0 Bf6 (12...Rc8 13.e4 Nf4 14.g3 Nh3 15.Kg2=) 13.e4 Nac7? (better 13...Nf4+=) 14.ed5+– Qd5 (14...Nd5 15.Qb3+–) 15.Nc3 Qh5 16.Rc1 (16.Ne4 Nd5+–) 16...Rfd8 (16...Nd5 17.Nd5 Qd5 18.Qc2+–) 17.Qa4 Nd5 18.Nd5 Qd5 19.Rc7 Qa2 (19...a5 20.Qc2+–) 20.Qc2 h6 (20...Qd5 21.Rc1+–) 21.Re1 Bd4 (21...b5+–) 22.Nd4 Rd4 (22...Qd5 23.Ne6 Qd2 24.Qb1+–) 23.Bd4 Qc4 (23...Qc2 24.Rc2 Rd8+–) 24.Qc4 Rc8 (24...Rc8 25.Rc8 Kh7 26.Qd3 f5 27.Re6 b5 28.Qf5 g6 29.Qg6; 24...Rd8 25.Re6! Kh7 26.Rf7 Kg8 27.Rg7 Kf8 28.Rh6 Rd4 29.Qf7). ggo7801 – uonbprf, internet online private game, 2018.

10.Be2 Bb7 11.0-0=.

10.e4 Nf6 11.Nc3 Bb7 12.Bd3 Nbd7 (12...Nc6 13.Qc2=) 13.0-0 Rc8 14.Rc1 Rc7 15.Re1 Qa8 16.e5 Ne8 17.Ne4 Rc1 18.Qc1 Qd8 19.Neg5+= h6 20.Nh7+– Bf3 21.gf3 Nc7 22.Nf8 Nf8 23.f4 Nd5 24.Kh1 Ng6+/– 25.f5 Ngf4 26.Be4 Bh4 27.fe6 fe6 28.Qc2 Nh3 29.Rf1 Ndf4 30.Bg2 Ng2+/– 31.Kg2 Qd5 32.f3 Nf4 33.Kh1 Qb5 34.Rd1 Nh3 35.Rc1 Qd5 36.Qc8 Kh7 37.Qc6 Qb3 38.Qe4 Kg8 39.Qa8?? Kf7?? 40.Qb7?? Be7= 41.Rc7?? Qd1 42.Kg2 Nf4 43.Kg3 Nh5 44.Kf2= Qd2 45.Kf1 ½–½. Steffens,Olaf (2325) – Mueller,Friedrich, Schleswig Holstein–ch masters, 1996.

10.e4 Nf6 11.Nbd2 Bb7 12.Bd3 Nbd7 13.Qe2 Nh5 14.g3 f5 (14...Rc8!?+/-) 15.0-0+- Qe8 (better 15...g6!?+-) 16.ef5 ef5 17.Qe6 Kh8 18.Bb5 (18.Bf5?! Nc5 19.dc5 Bc8+-) 18...Nf4? (18...Rd8 19.Rfe1 a6 20.Bd3+- (20.Qe7?! Qe7 21.Re7 ab5+/-)) 19.Qd7 (better 19.gf4 Qh5 20.d5 Bf6 21.Qd7 Rf7+-) 19...Bf3 (19...Qd7 20.Bd7 Ne2 21.Kg2 Bf6+-) 20.Nf3 (20.Qe8?? Nh3) 20...Qh5 (20...Qd7 21.Bd7 Rad8+-) 21.Bc6 (21.Qe7?! Qf3 22.gf4 Qg4 23.Kh1 Qf3 24.Kg1 Qg4 25.Kh1 Qf3 26.Kg1=) 21...Rf6 (21...Nh3 22.Kg2 Bf6 23.Ba8 Ra8+-) 22.Ba8 (22.Ba8 Ng6 23.Rae1+-) 1-0. Gareev,T (2610) - Liu,Xiangyi (2445), Prof. Lim Kok Ann GM Inv, 2018.

8.Qc2 Nc6 9.d4 Be7= 10.c5 Qd8 11.Nbd2 b6 12.cb6 Qb6 13.Bd3 (13.Rb1!?=) 13...Ba6+= 14.Rb1 Rfc8 15.Ke2?? (15.Bc3 Bd3 16.Qd3 Qc7+=) 15...Bd3 (better is 15...Nb4 16.Bc3 Nc2 17.Rb6 ab6 (17...Rc3?! 18.Ra6 Ra3 19.Ra3 Na3 20.Ne5–/+) 18.Ba6 Ra6–+) 16.Qd3+= Qd8 17.Rhc1 Na5 18.Rc8 Rc8 19.Ne5 Nd7 20.Nd7 Qd7 21.Bc3 Nc4 22.Bb4 Nd2 23.Kd2 Bb4 24.Rb4 g6 25.Qa6 Qc6 26.Qc6+= Rc6 27.Rb7 Ra6 28.Rb3 Kg7 29.Kd3 Kf6 30.f3 h5 31.g3 g5 32.h3 Kg6 33.e4 f6 34.Ke3 f5 35.ef5 Kf6 36.fe6+/– Re6 37.Kf2 Ra6 38.Re3 Kf5 39.g4 hg4 40.hg4 Kf4?? 41.Rc3 Rb6= 42.Rc2 Rb4?? 43.Rd2 Rb3–+ 44.a4 Rf3 45.Kg2 1–0. Fournier,Frederic (1785) – jessicalupita (1635), Active (5/0), 2006.

8.Qc2 Nc6 9.Bf6 gf6 10.Bd3 f5 (better 10...d4!?=) 11.cd5+/- Ne7 12.de6 fe6 (12...Be6!? 13.Nc3 Rac8+/-) 13.0-0+- Bd7 14.Nc3 Ng6 (14...Qc7!? 15.Na4 Rac8 16.Rfc1+-) 15.Na4 Ba4 16.Qa4 Qd6 17.Bc4 a6 (better 17...Ne7+-) 18.d4 Ba7 19.Qb3 Rfe8 20.Ng5 (20.Qb7?! Reb8 21.Qa6 Qa6 22.Ba6 Bd4 23.Nd4 Ra6+-) 20...b5 (20...Nf8 21.Qb7 Qe7 22.Qe7 Re7+-) 21.Be6 Kg7 22.Bf5 (22.Bf5 Qf6 23.Ne6 Kh8 24.Bh3+-) 1-0. Darkseid (1905) - 2/cb (2030), ChessWorld.net, 2017.

8.Qc2 Nc6 9.Bf6!? gf6 10.cd5 ed5 11.Nc3+/–.

8.Qc2 Nbd7 9.Nc3 Be7 10.cd5 Nd5 (10...ed5 11.d4+=) 11.Bc4 (11.Bd3 f5+=) 11...N7f6 12.0-0 (12.Ne5 Qa5+=) 12...Bd7 13.Ne5 Rac8 (13...Rfc8 14.Rac1+=) 14.Rac1 (14.g3 Rfd8=) 14...Nc3 (14...Rfd8 15.d4=) 15.Bc3 (worse 15.dc3 Rfd8 16.Nd7 Rd7=+) 15...Ba3 16.Ra1 Bd6 (16...Bb4 17.Rfb1 a5 18.d4+=) 17.Nd7 Nd7 18.Bd3 Be5 (18...Bb4 19.Bh7 Kh8 20.Be4+=) 19.Rfb1 Qc7 (19...Bc3 20.dc3 (20.Rb6 Ba1 21.Qd1 Nb6 22.Qa1 Rfd8–/+; 20.Bh7?! Kh8 21.dc3 Qc7+=) 20...Qc7 21.Bh7 Kh8 22.Ra7 Qc3 23.Qc3 (23.Rab7? Nf6–+) 23...Rc3 24.Be4+= (24.Rab7? Nc5 25.Rc7 Kh7–+)) 20.Ra7 Bc3 21.Rbb7 (21.Qc3?! Qc3 22.dc3 Rc3=; 21.Rab7?! Qa5 22.Bh7 Kh8 23.dc3 Rc3+–; 21.Bh7?! Kh8 22.Rbb7 Qc5 23.Rd7 Bb4+–) 21...Qc5 22.dc3 (worse 22.Qc3 Qc3 23.dc3 Nc5 24.Bh7 Kh7 25.Rf7 Rf7 26.Rf7 Nd3–/+) 22...Nf6 23.c4 Rcd8 (23...Rb8 24.h3+–) 24.h3+– Qd6 (24...e5 25.Qb1+–) 25.Be2 Rc8 (25...Nd7 26.Qc3+–) 26.Qd3 (26.g3 Qc5+–) 26...Qd3 27.Bd3 Rc5 (27...Rcd8 28.Be2+–) 28.Kf1 1–0. Janek – Bingo, internet, 2017.

8.Qc2 Ne4 9.Bd3 f5 10.Nc3 (better 10.cd5 ed5 11.Nc3+=) 10...d4? (better 10...Be7+=) 11.ed4 Bd4 12.Nd4 Qd4? (12...Nf2 13.Na4 Nd3 14.Qd3 Qa5+–) 13.Ne4 (13.Ne4 Qd7 14.Ng5+–; 13.Be4?! fe4 14.Ne4 Qd7+–) 1–0. Adlai – Kpmq, corr, 2018.

8.Bf6 gf6 9.cd5 ed5 10.Nc3 Bd7 (10...Rd8 11.Na4 Qa5 12.Nc5 Qc5 13.Qa4+/-) 11.d4 (better 11.Nd5!? Qd6 12.Qb3+-) 11...Qa5+/- 12.Qb3 Bb6 (12...Bd6!?+/-) 13.Bd3 Ba4 14.Qb2 Bd7 (14...Nc6 15.0-0+-) 15.0-0 (15.Nd2 Rc8 16.Rc1 Bd8 17.Qb7 Rc3 18.Rc3 Qc3 19.Qa8 Qc1 20.Ke2 Bg4 21.f3 Qh1 22.Qb8 Qg2 23.Ke1 Kg7 24.Qd8 Qg1 25.Nf1 Bh3 26.Qd5 Bf1 27.Bf1 Qe3 28.Kd1 Qg1+-) 15...Nc6 16.Bb5 (16.Rfc1 Rac8+-) 16...Bd8 (16...Be6!?+/-) 17.Nd5+- a6 (17...Ne5 18.de5 Bb5 19.Rfd1+-) 18.a4 (18.Bc4 b5 19.Bd3 f5+-) 18...Be6 (18...ab5?? 19.ab5 Be6 20.Ra5 Na5 21.Nf4+-) 19.Bc6 bc6 20.Nf4 Be7 21.Ne6 fe6 22.Qb3 (22.Qb7 Bd6 23.Qc6 Rfd8+-) 22...Kf7 (22...Qd5 23.Rab1+-) 23.Rfc1 Rab8 (23...Rfc8 24.Rc4+-) 24.Qd3 c5?! (24...Rfc8+-) 25.Qh7 Ke8 26.dc5 Bc5 (26...e5 27.Qg6 Rf7 28.Nh4 Bc5 29.Nf5+-) 27.Nh4 (better 27.Qh5 Rf7 28.Qc5 Qc5 29.Rc5 Rfb7+-) 27...Rf7 28.Qg8 Bf8 29.Ng6 Qd5 (29...Qb6 30.a5 (30.Nf8?! Rf8 31.Qg6 Ke7+-) 30...Qd6 31.Rd1+-) 30.Rd1 Qf5 (30...Qb3+-) 31.Nf8 (better 31.Rac1 Qg6 32.Qg6+-) 31...Rf8 32.Qg3 Rb7 (32...e5 33.Qg7 Qe6 34.Rac1+-) 33.Qd6 Kf7 34.Rac1 Rg8 35.Rc7 (35.Qa6!? Qf3 36.g3 Rc8+-) 35...Rc7 36.Qc7 Kg6 37.h3 Kh5 (37...e5+-) 38.g4 (better 38.Rd6+-) 38...Kh4?? (better 38...Rg4 39.hg4 Qg4 40.Kh2 Qh4 41.Kg2 Qg4 42.Qg3 Qd1 43.Qf3 Qf3 44.Kf3 Kg5=) 39.Qg3 (39.Qg3 Kg5 40.gf5 Kh6 41.Qg8 ef5 42.Rd7 f4 43.Rh7) 1-0. carlos78 (2225) - peor2 (2010), Rated Blitz game, lichess.org, 2015.

8.Bf6 gf6 9.cd5 e5 10.Nc3 Bg4 11.Qc2 a6?? 12.Na4+– Qa7 13.Qc5 Qc5 14.Nc5 b6 15.Ne4 Nd7 16.Nh4 Rac8 17.Ba6 Rc2 18.Bb5 Nc5 19.Nf6 (19...Kh8 20.Ng4+–) 1–0. MrkT – Zebulon46, internet, 2005.

8.Bc4 b5 9.Bb5+= Qb6 10.Bf6 Qb5 11.Nc3 Qd3 12.Bd4 Bd4 13.Nd4 Ba6 14.Qf3 Nd7 15.Qe4 (15.Nc6 Nc5 16.Nb4 Qc4+=) 15...Nc5 16.Qd3 Nd3 17.Kf1 (17.Ke2 Bc4+=) 17...Rad8 18.Kg1 e5 19.Nc6 Rd6 (19...Rd7!?=) 20.Na7+= Nb2 (20...Rb8 21.a4 Rb2+=) 21.Nab5 (21.d4 ed4 22.Ncb5+=) 21...Rd2 22.h4 (22.Ne4 Rc2 23.a4 Na4=+) 22...f5 (22...Bb5 23.Nb5 Nd1 24.Rh2=) 23.a4= f4 (23...Rc8 24.Rh3=) 24.e4+= f3 25.gf3 Rf3 26.Rh2 Nd3 The pressure on the backward pawn f2 grows 27.Rf1 (27.Rd1 Rc2= (worse 27...Rdf2 28.Rf2 Nf2 29.Kg2 Nd1 30.Kf3 Nc3 31.Nc3+/-)) 27...Nf4=+ 28.Nd5 Nd5 29.ed5 Rd5 30.Rg2 (30.Rb1!?=+) 30...Bb5-/+ 31.ab5 Rb5 32.Ra1 Rb4 33.Ra7 (33.Ra8 Rf8 34.Ra7 g6-/+) 33...Rf7 (33...Rb1 34.Kh2 g6 35.Re7-/+) 34.Ra8=+ Rf8 35.Ra7 g6 36.h5 Rf7 37.Re7?? (better 37.Ra6=+) 37…Re7-+ 0-1. jhonores (2175) - doctorno2020 (2115), Rated Blitz game, lichess.org, 2020.

8.Bc4 Bd7 9.0-0 Bc6 10.d4 Be7 11.Nbd2 Nbd7 12.Bd3 Nb6 (12...Rc8 13.Qe2=) 13.Rc1 Rc8 (13...Qd5 14.Nc4=) 14.Qe2 (14.Ne5 Qd6+=) 14...a6 (14...Na4 15.Nc4=) 15.Nc4 (15.Ne5 Na4 16.Nc6 bc6+=) 15...Nc4 16.Bc4 b5 17.Bd3 Bf3 18.Qf3 Qd5 19.Qd5 Nd5 20.e4 Nf4 21.Bb1?? (better is 21.Rfd1=) 421…Ne2–+ (21...Ne2 22.Kh1 Nc1 (22...Rc1?! 23.Bc1 Nc1 24.Rc1–+) 23.Bc1 Rc3–+) 0–1. Fournier,Frederic (1715) – Invitado2956, Active, 2006.

8.Bc4 Bd7 9.d4 Bd6 10.0-0 b5 11.Bd3 a6 12.Nbd2 Nc6 13.Qb3 Na5 14.Qa2 Rc8 15.Rac1 Qe7 (15...Bc6 16.e4 Nh5 17.g3=) 16.Ne4 (16.e4!? Bf4 17.Qb1=) 16...Ne4+= 17.Be4 Nc4 18.Ne5 Ne5 (better is 18...Be5!? 19.de5 Bc6 (19...Nb2?! 20.Qb2 Rfd8 21.Qb4+=) 20.Bc6 Rc6+=) 19.de5+= Bb8 20.Bc2 (20.Bb7!?+=) 20...Bc6= 21.e4 (21.Qb1!? Qh4 22.Bd4=) 21...Qg5 22.Qa1 Rfd8 23.Bc3 (23.Bd4 Qf4 24.g3 Qf3+=) 23...a5 (23...Qf4!?–/+) 24.f4 Ba7 (24...Qe7 25.Kh1 b4 26.ab4 ab4 27.Be1+=) 25.Kh1= Qe7 26.Ba5 Rd7 27.Rfd1 (27.Bb4 Qd8+=) 27...Rd1 (better is 27...Be3!? 28.Rd7 Bd7–+ (worse is 28...Qd7 29.Rf1+=)) 28.Rd1= Qb7 (28...Bc5 29.Bb4 Bb4 30.ab4 Qb4 31.Qa6=) 29.Qb1 Be3 30.Bd2 (30.Rf1 Qe7+=) 30...Qb6 (30...Bd2 31.Rd2 Qa8 32.Qd1=) 31.h3 (31.Qb3 Bc5+=) 31...Bc5 (31...Bd2 32.Rd2 Qe3 33.Qd1=) 32.Bb4 Bd4 (32...Bb4!? 33.ab4 Qe3=) 33.Qb3+= g6 (33...Bc5 34.Qg3+/–) 34.Qg3+/– Bf2 35.Qd3 Qe3?? (35...Be3 36.Qf1+/–) 36.Qe3 Be3+/– 37.g3 Bb6 38.Rd6 Ba7 39.Kg2 Bb8 40.Rd1 Kg7 ½–½. Yannick – Ulibear, playchess.de, 2004.

8.Bc4 Nbd7 9.0-0 Nb6 10.Ba2 Bd7 11.d4 Be7 12.Nc3 Nfd5 13.Nd5 Nd5 14.e4 Nb6 15.d5 ed5 16.ed5 Bb5 17.Re1 Na4 ½–½. Fournier,Frederic – Jauneau,David, Train France (FRA), 2000.

8.Bc4 Nbd7 9.d4 Be7 10.0-0 b6 11.Nc3 Bb7 12.Rc1 Ne4 (12...a6 13.a4=) 13.Ne4+= Be4 14.Qb3 (14.d5 ed5 15.Bd5 Bd5 16.Qd5 Bf6+=) 14...Nf6 15.Ng5 Bd5 16.Bd5 Qd5 17.Qd5 Nd5 18.Nf3 Rfc8 19.Nd2 (19.Ne5 Bd6=) 19...Kf8 20.g3 Ke8 21.Rfd1 Rc1 22.Rc1 (worse is 22.Bc1 Nc3 23.Re1 Rc8–/+) 22...Kd7 23.Kf1 Rc8 24.Nc4 f6 25.e4 Nc7 26.Ne3 Nb5 The isolani on a3 becomes a target 27.Rc8 Kc8 28.a4 Nd6 29.f3 Kd7 30.Ke2 g6 31.g4 b5 32.ab5 Nb5 33.Kd3 Bd8 34.d5 ed5 35.Nd5 Ke6 36.h3 Nc7 37.Nf4 Kf7 38.Kc4 Ne6 39.Ne6 Ke6 40.Bc3 Bc7 41.Bd4 a5 42.Kb5 f5 43.Bc3 Attacking the isolated pawn on a5 1–0. Bah,Ismael (1770) – Fournier,Frederic (1855), Coupe, 2013.

8.Bc4 Nbd7 9.d4 Be7 10.Nc3 Nb6 (10...a6 11.0-0=) 11.Bd3 Bd7 12.Ne5 Nfd5 13.0-0 Rc8 14.Rc1 (14.Nd5 Nd5 15.Qf3 Bd6+=) 14...Nc3 15.Rc3 (worse is 15.Bc3 Ba3 16.Nd7 Qd7+=) 15...Rc3 16.Bc3 Ba3 17.Qa1 Qe7 18.Nd7 Nd7 19.Rb1 b6 20.Rb3 Bd6 21.Qa7 Rb8 22.Qa4 Nf6 23.Qb5 (23.e4 e5+=) 23...Nd5= 24.g3 Nc3 25.Rc3 Qb7 (25...e5 26.Rc6 ed4 27.ed4+=) 26.Rc6+/– Bc7 27.Be4 Qa7 28.Qc4 Bd8 29.Re6 fe6 30.Qe6 Kf8 31.Bd5 Qa1?? (31...Ra8 32.Qg8 Ke7 33.Qg7 Kd6 34.Qe5 Kd7+–) 32.Kg2 Ra8 (32...Qh1 33.Kh1 Rb7 34.Qg8 Ke7 35.Qf7 Kd6 36.Qe6 Kc7 37.Qc6 Kb8 38.Qb7) 33.Qf7 1–0. marekt – kratz, ChessWorld.net, 2016.

9.0-0 b5 10.Bb3 Bb7 11.Nc3 Nbd7 12.d4 Bd6 13.Qe2 Qe7 (13...Rc8 14.e4 Bf4 15.Rfd1=+) 14.e4 Bf4 (14...e5 15.de5 Ne5 16.Nd4=) 15.e5 Nd5 16.Nd5 Bd5 17.Bd5 ed5 18.g3 (18.Bc1 Bc1 19.Rfc1 Nb6=) 18...Bh6 19.Bc1 Bc1 20.Rfc1 Rfc8 (20...Nb6 21.Nh4=) 21.Rc8 Rc8 22.a4 Rb8 23.ab5 ab5 24.Ra7 b4 (24...Qe8 25.Qc2 Nf8 26.Ng5+–) 25.Qb2 (25.Qc2 b3 26.Qf5 b2+–) 25...b3 (25...Qe6 26.Qb3=) 26.Kg2 (26.Nd2 f6 27.f4 fe5 28.fe5 Qg5=) 26...h6 (26...Qe6 27.Ra3+=) 27.Ra3 (27.Nd2 Qe6 28.Nb3 Nf8+–) 27...Qb4 28.Nd2 Qe7 (28...Qd2 29.Qd2 b2 30.Ra7+=) 29.Rb3 Rb3 (29...Rd8 30.Rb5 Qe6 31.Qb3+–) 30.Qb3+– Qg5? (better 30...Qe6+–) 31.Qd5 Nf8 (31...Qd2 32.Qd7 Qd3 33.Qe8 Kh7 34.Qf7 Qd4 35.e6 Qd5 36.Kh3+–) 32.Nf3 (32.f4 Qg4 33.Qf3 Qc8+–) 32...Qf5 (32...Qe7 33.h4+–) 33.Qa8 (33.h3 Ne6+–) 33...g6 (33...g5 34.d5+–) 34.d5 Kg7 (34...g5 35.h3+–) 35.Qa7 (35.h3 Nh7+–) 35...Kg8 (35...g5 36.h3+–) 36.h3 (36.Qe3 Nd7+–) 36...g5 37.Qe3 (37.Qe7 Ng6 38.Qd8 Kg7+–) 37...Ng6 38.d6 Nf8 (38...Kf8 39.Qa7+–) 39.Nd4 Qd7 40.Qf3 Ne6 (40...Ne6 41.Nf5 Kf8 42.Nh6 Nd4+–). Barcarola (1620) – zdh0g, internet free game, 2018.

9.0-0 b5 10.Bb3 Bb7 11.d4 Ba7 12.Nbd2 Qc7 13.Rc1 Qd6 14.Qe2 b4 15.Nc4 Qe7 16.Nfe5 ba3? 17.Ba3+– Qd8 18.Bf8 Kf8 19.Qc2 Qd5 20.f3 Qb5 21.Nd6 Qb6 22.Nef7 (22...Nbd7 23.Ba4+–; 22.Nc8 Qa5 23.Ra1 Qd8 24.Na7 Kg8+–) 1–0. Wall,Bill – Phig, Internet, 2005.

9.0-0 b5 10.Be2 Bb7 11.Qc2 Nbd7 12.Bf6 Qf6 13.d4 Bd6 14.Nbd2 Rac8 15.Qb2 Qg6 16.Rac1 h5 17.h3 e5 18.de5 (18.de5 Rc1 Decoy; 18.Ne5 Qg2 Mate attack) 18...Ne5 19.Ne5?? (better 19.a4 b4 20.Qb1-/+) 19…Qg2 0-1. carlos78 (2270) - vlabor64 (2065), Rated Blitz game, lichess.org, 2015.

9.0-0 b5 10.Be2 Bb7 11.d3 Nbd7 12.a4 b4 13.Nbd2 Nb6 14.a5 Nbd5 15.Nc4 Rc8 16.Nfe5 Nd7 17.Nd7 Qd7 18.Ne5 Qe7 19.d4 Bd6 20.Bf3? (better 20.Nc4=+) 20...Nc3-+ 21.Bc3 Bf3 (21...bc3?! 22.Qb3 Bf3 23.Nf3-/+) 22.Nf3 Rc3 (22...bc3?! 23.Qc2=+) 23.e4 Qb7 24.e5 Be7 25.Qa4 b3 26.Rab1 Rb8 27.Nd2 b2 28.Nc4 Rb3 29.Nb6 Rb4?? (better 29...Ra3 30.Qc2 Ra5-+) 30.Qc2=+ Rb6 31.ab6 Qb6 32.Rfd1 Qb3 33.Qc7?? (better 33.Qb3!? Rb3 34.Kf1=) 33...Bf8 (better 33...Qd1! 34.Rd1 b1Q-+) 34.g3 h6 35.Qa5 Qb5 36.Qc7 a5 37.Qa7?? (better 37.Rd2 Ba3 38.d5 ed5 39.Qc3=) 37...a4-+ 38.Rd2 (38.d5 ed5 39.Rd5 Qd5 40.Qb8-+) 38...a3 39.Kg2 Qb3 (better 39...Rb7 40.Qa8 Qd5 41.f3-+) 40.Rdb2 (40.d5 ed5 41.h4-+) 40...ab2 41.Rb2 (41.Qa6 Ba3 42.h4 Qa2-+) 41...Qb2 (41...Qd5 42.Kh3 Rb2 43.Qa6 Rf2 44.Qa8 Qa8 45.Kg4 Qf3 46.Kh4 Rh2) 42.Qd7 Qb7 (42...Qc2 43.Kg1 Rb2 44.Qf7 Kf7 45.Kg2 Qf2 46.Kh3 Qf3 47.d5 Qh5) 43.d5 (43.Qb7 Rb7 44.Kf3-+) 43...Qd7 44.de6 (44.d6 Rb2 45.h4 Qb7 46.Kh3 Rf2 47.Kg4 Qe4 48.Kh3 h5 49.d7 Qg4) 44...Qe6 45.Kf3 (45.h4 Rb2 46.h5 Qc6 47.Kh3 Qh1 48.Kg4 Rf2 49.e6 f5) 45...Qe5 46.Kg2 (46.Kg4 Qe2 47.Kh3 Qf2 48.Kg4 Rb4 49.Kh5 Qh2) 46…Qf6 (46...Qf6 47.g4 Qc6 48.f3 Rb2 49.Kg3 Bd6 50.f4 g5 51.h4 Qc3; 46...Qe4 47.Kh3 Rb5 48.g4 Be7 49.Kg3 Rb3 50.f3 Qf3) 0-1. xadrezplus (2260) - hyudga (2210), Rated Blitz game, lichess.org, 2015. (=1.Nf3 A00: Irregular Openings 1...Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 dc4 8.Bc4)

9.a4 b6 10.d4 Bb4 11.Nbd2 Bb7 12.0-0 Nc6 13.Qe2 Qd7 14.Bd3 Rfc8 15.e4 Nh5 16.Qe3 Rab8 17.Qg5 Bd2 18.Nd2+= Nb4 19.Be2 Rc2 20.Bh5 Rb2=+ 21.Nc4 Rc2 22.Ne5 Qd8 23.Bf7 Kf8 24.Qg4 Qd4+/– 25.Qe6 Rd8? 26.Bg6!+– Rc7 27.Qf5 Ke7 28.Rad1! Nd3 29.Rd3 (29...Qd3 30.Qg5 Ke6 31.Bf5 Ke5 32.f4 Kd4 33.Qd8 Bd5 34.Qd5 Kc3 35.Rc1 Kb2 36.Qd3 Rc1 37.Kf2 Rc2 38.Ke1+–; 29.Nd3?! hg6 30.Qf4 Rc2+/–) 1–0. Woelfelschneider,Peter – Chaves,Pablo, Match TSC–Senergia, 2003.

9.Qc2 Be7 10.d4 (10.Bf6 Bf6 11.d4 Nc6=) 10...b5 11.Bd3 Bb7 12.Nbd2 Nc6 13.0-0 Rc8 14.Rfc1? (better is 14.Qb1!?=) 14...Nd4–/+ 15.Bd4 (15.Qd1!? Nf3 16.Nf3 Rc1 17.Rc1 Bf3 18.gf3–+) 15...Rc2–+ 16.Rc2 Bf3 17.gf3?? (17.Nf3 Nd5–+) 17...Nd7 (better is 17...e5 18.Bh7 Kh7 19.Be5–+) 18.Ne4 (18.f4 Bf6 19.Nb3 Bd4 20.Nd4 Qh4–+) 18...e5 19.Bb2 Nf6 (19...f5!? 20.Ng3 f4 21.Nf5–+) 20.Nf6 Bf6 21.Be4 g6 22.Rac1 Qd7 (22...Bg7 23.Bb7 a5 24.Rc5–+) 23.Kg2 (23.Rc7 Qd2 24.R7c2 Qa5–/+) 23...Qe6 (better is 23...Bg7!?–+) 24.Rc6–/+ Qe7 25.Ra6 Bg7 26.Rac6 (26.Rb6 f5 27.Bd5 Kh8 28.Rb5 Qg5 29.Kf1 f4=) 26...f5 (26...Qg5!? 27.Kf1 Qh4+=) 27.Bd5= Kh8 28.Rc8 (28.R1c5 Qg5 29.Kf1 f4=) 28...Qg5 (28...h5 29.R8c5+=) 29.Kf1 Qh5?? (29...f4 30.Rf8 Bf8+=) 30.Rf8 Bf8 31.Be5 Bg7 32.Rc8 1–0. orangutandu – bbleosek, 2013.

9.d4 Bd6 10.Nbd2 b5 11.Bd3 Bb7 12.0-0 Nbd7 13.e4 Bc7 14.Qe2 White plans e5 14...Re8 15.e5 (15.Rfc1 Nh5=) 15...Nd5 16.Qe4 Nf8 (16...f5 17.ef6 N7f6 18.Qh4+=) 17.Qg4= f5 18.Qg3 Ng6 19.Rfc1 Ndf4 20.Bf1 Bb6 21.a4 Qd7 22.a5 (22.Nb3!?=) 22...Bd8+= 23.Ne1 Be7 (23...Bh4 24.Qb3 Be7 25.g3=) 24.Nd3 Nd3 25.Bd3 Rac8 26.Be2 Rc1 27.Rc1 Rc8 28.Nb3 Bd5 29.Nc5 Bc5 30.dc5 Qc6 31.h4 Rf8 32.Qg5 Qc7+= 33.h5 Ne7 34.Rc3 h6+= 35.Qh4 Nc6 36.Rg3 Be4 37.Rg6 Bd5 38.Qg3 Rf7 39.Rh6? Qa5–+ 40.Rg6 Kh7?? 41.Bc3 Qc7= 42.h6 gh6+= 43.Bh5 Rg7 44.Bd2 Rg6?? 45.Qg6+/– Kh8 46.Qe8 Kh7 47.Bh6 Ne5+= 48.Be3 Qg7–/+ 49.g3 b4 50.Qa4 Qb7 51.Bd4 Nc6 52.Bf6 Kh6?? 53.Qd1+– b3 54.Be8 Kh7 55.Qh5 (55.Qh5 Kg8 56.Qh8 mate) 1–0. Machala,Vladislav – Cervenka,Jan, CZE–chT2b, 2000. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 dc4 8.Bc4)

9.d4 Be7 10.0-0 b5 11.Bd3 Bb7 12.Nbd2 Nbd7 13.Qe2 Rc8 14.e4 (14.a4 Bc6+=) 14...Nb6= 15.e5 (15.Rac1 Na4 16.Rc8 Qc8=) 15...Nfd5 16.Qe4 g6 17.Qg4 h5 (17...Qd7 18.Bc1=+) 18.Qg3= Nc4 19.Bg6? (19.Nc4 bc4 20.Bg6 h4=) 19...fg6?? (19...Nb2 20.Rfb1 Na4-+ (20...fg6?! 21.Qg6 Kh8 22.Qh6 Kg8 23.Qg6 Kh8 24.Qh6 Kg8 25.Qg6=)) 20.Qg6= Kh8 21.Qh5 Kg7 22.Bc1 (22.Qg4!? Kf7 23.Qh5 Kg7 24.Qg4 Kh7 25.Qh5 Kg7=) 22...Nf4 (22...Qe8!? 23.Qe8 Rfe8 24.Nc4 Rc4-+) 23.Qg4=+ Ng6 24.Qe6 (better 24.Nc4!? bc4 25.Ng5=+) 24...Nd2-+ 25.Nd2 (better 25.Bd2 Bf3 26.gf3 Qd4 27.Bb4-+) 25...Qd4 26.Rb1 (26.Nb3 Qe4 (26...Qe5?! 27.Qe5 Ne5 28.Bb2-+) 27.Qh3 Rh8-+) 26...Rc1! (26...Qe5?? 27.Bb2 Qb2 28.Rb2 Bg2 29.Re1+-) 27.Rbc1 (27.Rbc1 Qb2 Double attack (27...Qb2 Decoy; 27...Qd2 Remove defender); 27.Rfc1 Qf2 Mate attack) 27...Qd2 (better 27...Bg2 28.Rc2 Bd5-+ (worse 28...Bf1 29.Nf1 Bh4 30.Ne3 Qa1 31.Nf1-+)) 28.Rcd1?? (better 28.Rc7 Bg2! 29.Re7 Ne7 30.Kg2-+) 28...Qg5 29.f3 Qe5 (29...Rf3 30.Qa2 Nh4 31.Rd7 Rf1 32.Kf1 Bg2 33.Ke2 Qg4 34.Ke1 Qd7 35.h3 Qd3 36.e6 Qc3 37.Ke2 Bf3 38.Kf1 Qc1 39.Kf2 Bc5 40.Kg3 Qg5 41.Kh2 Qf4) 30.Qg4 (30.Qa2 Bd6 31.Qa1 Rf6 32.Qe5 Ne5-+ (worse 32...Be5 33.Rd7 Rf7 34.Rfd1-+)) 30...Qg5 (30...Bc8!? 31.Qe4-+) 31.Qd4 (31.Qg5 Bg5 32.Rd7 Rf7-+) 31...Kh7 (better 31...Kg8 32.Kh1 Ba3-+) 32.Qa7 (32.Kh1-+) 32...Bc5 33.Kh1 Ba7 34.Rd7 Kh6 35.Rb7 Bc5 (35...Nh4 36.Rb6 Bb6 37.Rg1 Bg1 38.g4 Bd4 39.h3 Qc1 40.Kh2 Qg1) 36.Rc7-+ Ba3 (36...Nh4 37.Rg1 Bg1 38.Rc6 Rf6 39.Rc2 Bf2 40.g4 Qd5 41.g5 Qg5 42.Rf2 Qc1 43.Rf1 Qf1) 37.Rc6 a5 38.Re1 b4 39.Rb6 Rf5 (better 39...Rc8 40.Rbe6 Rc1-+) 40.Ree6 Rb5 (40...Qc1 41.Re1 Qe1) 41.Rg6 Qg6 42.Rg6 Kg6 43.h4 b3 44.g4 (44.Kh2 b2 45.Kg3 b1Q 46.Kg4 Qf5 47.Kg3 Bd6 48.Kf2 Rb2 49.Ke3 Bc5) 44...b2 45.Kg2 (45.Kg1 b1Q 46.Kf2 Qc2 47.Ke3 Re5 48.Kd4 Bb2) 45...b1Q 46.h5 (46.Kf2 Qc2 47.Ke3 Re5 48.Kd4 Bb2) 46...Kg5 47.Kg3 Qg1 48.Kh3 Rb3 (48...Rb3 49.h6 Rf3) 0-1. jhonores (2125) - Darrey (1910), Hourly SuperBlitz Arena, lichess.org, 2020.

9.d4 Be7 10.a4 Qc7 (10...Nc6 11.Nc3=) 11.Qe2 =. Woelfelschneider,Peter – von Rosenberg, KO–005, 2002.

9.d4 Be7 10.Nbd2 b5 11.Bd3 Bb7 12.0-0 Nbd7 13.Qb3 Bd5 14.Qc2 h6 15.Rfc1 Rc8 16.Qc8 Qc8 17.Rc8 Rc8 18.a4 b4 19.Ba6 Rb8? Black prepares b3 (better is 19...Rc2!? 20.Bc1 b3+=) 20.Bb5 (20.Bd3 Kf8+–) 20...Nb6 (20...b3 21.Rb1+/–) 21.Ne5 b3 22.Nc6 Rb7? (better is 22...Bc6 23.Bc6 Rc8+/–) 23.Ne7+– Re7 24.a5 Na8 25.a6 Rc7 26.Bd3 Nd7 27.e4 Bc6 28.Nb3 Ndb6 29.Rc1 Ba4 30.Nc5 g6 31.d5! ed5 32.ed5 Be8 33.d6 Rc6 34.Bb5 Rc8 35.Be8 Re8 36.d7 Nd7 37.Nd7 Rd8 38.Bf6 Rd7 39.Rc8 Kh7 40.Rh8 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

9.d4 Be7 10.Nbd2 b5 11.Bd3 Bb7 12.0-0 Nbd7 13.Qe2 Nb6 14.e4 Na4 15.Bc1 Nc3 16.Qe3 Rc8 17.Qf4? (17.Bb2 Ng4 18.Qf4 f5 19.ef5 ef5 20.Bc3 Bd6=+) 17...g6?? (better 17...Nfe4 18.Re1 Nd2 19.Bd2 Bf3 20.Qf3 Qd4-+) 18.Re1= Re8 19.h4 Qc7 20.e5? (20.Ne5 Rf8=) 20...Nfd5?? (better 20...Ncd5 21.Qh2 Qc3-+) 21.Qg4 h5 22.Qg3 Kg7 23.Ne4 Ne4 24.Be4 (24.Re4?? Qc3 25.Re1 Qd3-+) 24...Nc3 25.Bb7 Qb7 26.Bg5 Ne4 27.Re4? (better 27.Qf4 Ng5 28.Ng5 Bg5 29.hg5=) 27...Qe4-+ 28.Be7 Re7 29.Re1 Rec7?? (better 29...Qg4 30.Qg4 hg4-+) 30.Re4+- Rc1 (30...Rc3 31.Qf4 R8c7 32.Qf6 Kg8 33.Ng5+-) 31.Kh2 R8c3 (31...R1c3+-) 32.Rf4 Rc7 33.Qg5 (33.Ng5!? Re7 34.Nf7 Rf7 35.Rf7 Kf7 36.Qf4 Ke7 37.Qc1 Kd7+-) 33...R1c6 34.Qd8 1-0. jhonores (2130) - Mundschutz (2150), Rated Blitz game, lichess.org, 2020.

9.0-0+= Bb7 10.Nc3 Nbd7 11.d4 Be7 12.d5 (12.Rc1!?+=) 12...ed5 13.Nd5 Rc8 14.Ne7 Qe7 15.Ba2 (15.Rc1 Bf3 16.Qf3 Ne5=) 15...Rfd8+= 16.Qe2 Nc5 17.Rfd1 Ba6 18.Rd8 Rd8 19.Bc4 Bb7 (19...Bc4 20.Qc4 Nfe4 21.Bd4+=) 20.Nd4 (20.Rd1!?+=) 20...Na4= 21.Bc1 a6 (21...Nc3!? 22.Qd3 Rc8=) 22.Ba6+= Nc3 23.Qf1?? (23.Qc4 Ba6 24.Qc3 Qe4+=) 23...Ba6?? (better is 23...Rd4 24.Bb2 Bg2 25.Qg2 Rg4 26.Bc3 Rg2 27.Kg2 b5–+) 24.Qa6= Rd4 25.Bb2 (25.ed4?? Qe1 26.Qf1 Ne2 27.Kh1 Qf1) 25...Rd1 26.Rd1 Nd1 27.Bd4 (27.Bf6 gf6 28.Qc8 Kg7 29.Qg4 Kf8 30.Qd1 Qa3=) 27...h6 (better is 27...Qd7!?–/+) 28.Qc8 Kh7 (28...Qf8!? 29.Qc2 Ne3 30.fe3 Qa3 31.Qc8 Qf8=) 29.Qc2+= Kg8 (29...Ne4 30.Qd1 Qa3 31.Qb1+=) 30.Qd1+/– Qa3 31.Bb6 g6 (31...Nd5 32.Bd4+/–) 32.g3 Kh7 33.Bd4 Qd6? (better is 33...Ne4+/–) 34.Qf3+– Kg7 35.Kg2 g5 (35...Qe6 36.Qf6 Qf6 37.f4+–) 36.h4 Kg6?? (better is 36...gh4 37.gh4 Kg6+–) 37.h5 Nh5 (37...Kg7+–) 38.Qe4 f5 39.Qe8 Kh7 40.Qf7 1–0. Franco Rincon,David (1685) – Petru,Lucian Olimpiu (1805), Madrid ESP, 2014.

9.0-0 Bb7 10.d4 Be7 11.Nbd2 Nc6 12.Rc1 Na5 13.Ba2 Bd6 (13...Rc8 14.Qe2=) 14.Qe2+= Qe7 15.Qd3 Rac8 16.e4 Bf4 17.Bb1 (17.g3 Bh6+=) 17...g6= 18.d5 (18.Rfe1=) 18...Nd7 (18...ed5 19.ed5 Qd6 20.Qd4 Bd2 21.Rcd1=) 19.Rfe1 (19.g3 Bb8+/–) 19...e5 (19...Nc5!? 20.Qd4 f6=) 20.Qb5+= Rc1 (20...Nc5 21.Qb4+=) 21.Rc1+/– Rc8 22.Rc8 Bc8 23.g3 Bh6 (23...Bd2 24.Nd2 f6+/–) 24.Nc4 (24.Ba2!?+/–) 24...a6+= 25.Qa4 Nc5 26.Qc2 Nc4 27.Qc4 f6 28.Ba2 Qd6 29.Ne1 Bd7 30.Bc3 Bb5 31.Qb4 Bf8 32.Qb1 Qd7+= 33.Bb4 a5 34.Bc5? Bc5–/+ 35.Qb3 a4–+ 36.Qb2 Ba6 37.Kg2 Qb5 38.Qd2?? Qe2 39.d6 Kf8 40.Qh6?? Ke8 41.Bf7 Kd7 42.Bc4 Qf2 43.Kh3 Bc4 44.Qh7 Kd6 45.Ng2 Be6 46.g4 Qf3 (46...Qf3 47.Kh4 Qg4#) 0–1. Chirpii,Alexandru (2115) – Cornea,Remus (2180), Centrocoop op, 2000.

9.0-0 Bb7 10.d4 Be7 11.Nbd2 Nc6 12.Qe2 Na5 13.Bd3 Rc8 14.e4 Qd7 15.e5 (15.Ne5 Qa4+=) 15...Nd5= 16.Qe4 g6 17.Qg4 f5 18.ef6 Nf6 19.Qh3 Rcd8 (19...Nd5!? 20.Ne5 Qd6=) 20.Rae1 Attacking the isolated pawn on e6 20...Bd5 21.Ne5 (21.Ng5 Rfe8+=) 21...Qe8 22.Ndf3 Nh5 23.g3 (23.Be4 Nf4 24.Qg4 Rc8+=) 23...Bf6 (23...Bf3? 24.Qe6 Kg7 25.Nf3 Rf3 26.Qe7 Qe7 27.Re7 Rf7 28.Rf7 Kf7 29.Rc1+-; worse 23...Rf3 24.Nf3 Bf3 25.Qe6 Kf8 26.Bc1+/-) 24.Nh4 (24.Re3 Ng7=) 24...Nc6 (24...Be5 25.Re5 Nc4 26.Rg5 Nb2 27.Ng6 Nd3 28.Qh5+/-) 25.Nhg6 (better 25.Nc6!? Bc6 26.Re6+=) 25...hg6=+ 26.Bg6 (better 26.Ng6!? Bd4 27.Nf8 Kf8 28.Bd4 Nd4 29.f4 Nf3 30.Rf3 Bf3 31.Re6=) 26...Ne5-+ 27.Bh5 Qh5! 28.Qh5 (28.Qh5 Nf3 Deflection) 28...Nf3 29.Qf3 Bf3 30.Re6 Bd4 31.Bd4 Rd4 32.Re3 Bh5 (32...b5 33.h3-+) 33.h3 Re8 34.Rc3 Bf7 35.Kh2 (35.g4 Re2-/+) 35...Red8 (35...Re2 36.Kg2-+) 36.g4 Rd3 37.Rfc1 Kg7 (37...R8d4 38.f3-/+) 38.f4 a5 39.h4 (39.f5 b5-/+) 39...b5 (39...Rd2!? 40.Kg3 R8d3 41.Rd3 Rd3 42.Kf2 Ra3-+) 40.f5 b4 41.ab4 (41.Rd3 Rd3 42.ab4 ab4-/+) 41...ab4 42.Rd3 Rd3 43.g5? (43.Rc7 b3 44.Rb7 Kf6 45.g5 Kf5 46.Rf7 Kg4=) 43...Rf3 (better 43...b3 44.h5 b2 45.f6 Kg8 46.Rc8 Kh7 47.g6 Bg6 48.hg6 Kg6-+) 44.f6 Kg6 45.Kg2?? (better 45.Rc7 Bd5 46.Rd7-/+) 45...Rc3-+ 46.Rb1 b3 47.Kf2 Kh5 48.Ke2 Kh4 49.Kd2 (49.g6 Bg6 50.Rb2 Kg5-+) 49...Rg3 50.Rh1 Kg5 51.Kc1 (51.Rf1 Rh3-+) 51...Kf6 (51...Rg2 52.Rg1 b2 53.Kb1 Bg6 54.Ka2 b1Q 55.Ka3 Qb2 56.Ka4 Be8 57.Ka5 Qb5) 52.Kb2 (52.Rf1 Ke7 53.Rf2 Bd5-+) 52...Be6 (52...Rg2 53.Kc3-+) 53.Rf1 Ke7 54.Rf2 Kd6 55.Rd2 Kc5 56.Re2 Bc4 57.Rh2 Kb4 58.Rf2 Rg8 59.Rh2 Ra8 60.Rh7 (60.Rh3-+) 60...Ra2 61.Kc1 Rf2 (61...b2 62.Kc2 Bd3 63.Kd3 b1Q 64.Kd4 Rd2 65.Ke3 Qe1 66.Kf4 Rf2 67.Kg5 Qg1 68.Kh5 Rh2) 62.Rh3-+ b2 (better 62...Ka3 63.Kd1 Ka2 64.Rh8-+) 63.Kb1 Rd2 (better 63...Kc5 64.Rb3 Rf1 65.Kb2 Bb3 66.Kb3 Rf3 67.Kc2 Kd4 68.Kd2 Rf2 69.Ke1 Ke3 70.Kd1 Re2 71.Kc1 Kd3 72.Kd1 Re4 73.Kc1 Rb4 74.Kd1 Rb1) 64.Rg3?? (better 64.Rb3 Kc5 65.Rb2 Rd1 66.Kc2-/+) 64...Bd3 65.Rd3 Rd3 66.Kb2 Rd2 67.Kc1 Rg2 (67...Kc3 68.Kb1 Rd1 69.Ka2 Rc1 70.Ka3 Ra1) 68.Kd1-+ Kc3 69.Ke1 Rh2 (69...Rh2 70.Kd1 Kd4 71.Ke1 Ra2 72.Kd1 Ke3 73.Kc1 Kd3 74.Kb1 Rc2 75.Ka1 Kc3 76.Kb1 Kb3 77.Ka1 Rc1; 69...Kd3 70.Kf1 Rd2 71.Ke1 Ke3 72.Kf1 Kf3 73.Kg1 Rd1 74.Kh2 Rc1 75.Kh3 Rh1) 0-1. jhonores (2210) - hazarder1 (2190), Rated Blitz game, lichess.org, 2020.

9.Qc2 Bb7 10.Ng5 (10.d4 Bd6+=) 10...Nbd7+= 11.Nc3 (11.0-0 h6 12.Nf3 Bf3 13.gf3 Rc8+=) 11...Rc8 (11...Bg2 12.Rg1 Bc6+=) 12.Ba2 (better is 12.0-0+=) 12...Ne5?? (12...Bg2 13.Rg1 Bb7 14.Be6+=) 13.Bb1?? Pawn h7, live or die! (better is 13.d4 Bg2 14.de5 Bh1 15.ef6+=) 13...Ba6–/+ 14.Qa4 Bd3 (14...Nd3 15.Bd3 Qd3 16.Nf3–+) 15.Ne2 (15.Nf3 Nc4 16.Bc1 e5–/+) 15...b5 (15...Nc4 16.Bc1–/+) 16.Qh4 Ng6 (16...Bb1 17.Be5 Bc2 18.Nd4–/+) 17.Bf6 (17.Qh3 e5–/+) 17...Nh4 18.Bd8 Rfd8 (18...Ng2?! 19.Kf1 Be2 20.Ke2 Rfd8 21.Bh7 Kf8 22.h4+/–) 19.Bd3 Rd3 Attacking the isolated pawn on a3 20.Nc3 (20.g3 Ng6 21.Nc3 a6–/+) 20...a6 (20...Be7 21.Nf3 Nf3 22.gf3–+) 21.Nf3 (21.g3!? Ng6 22.Ke2+=) 21...Nf3–+ (21...Ng2?! 22.Ke2 Rcd8 23.Rhg1=) 22.gf3 Rcd8 23.Nb1 f5 (23...Kf8 24.Ke2–/+) 24.Ke2 a5 (24...Be7 25.Rc1–/+) 25.Rc1 Be7 26.Rc3 Rc3 27.dc3 Bf6 28.Ra2 Rc8 29.Rc2 b4 30.ab4+= ab4 31.Kd3 Bc3 32.Nc3 Rc3 33.Rc3 bc3 34.Kc3 (34.f4!?+=) ½–½. Sapira,Emanuel – Goldstein, Antwerp–Hampstead, 1926.

9.Nc3 Bb7 10.d4 Bd6 11.Ne2 Nbd7 12.Ng3 b5 13.Bd3 Qa5 14.Kf1 Nb6 15.e4 Bg3 16.hg3 Be4 (< 16...Ne4 17.Qe2 Nf6 18.Bb5=+) 17.Be4 Ne4 18.Qd3 f5 19.g4 Nc4 20.gf5 ef5 (20...Nb2 21.Qe4 b4 22.Qe6 Rf7 23.Ne5+–) 21.Bc1 Qc3 22.Qb1 Rac8 23.Kg1 a6 24.Bf4 Qb2 25.Qf1 Rfe8 26.d5 Nc3 27.d6 Rcd8 28.Rh4 Nd6 29.Be5 Re5! 30.Ne5 Ne2 31.Kh1 Qe5 32.Rd1 Re8 33.Rd3 Ne4 34.Rf3 (34.g3–+) 0–1. Majzik,Levente (2330) – Nemeth,Zoltan (2325), HUN–chT2, 2002.

9.d4 Bd6 =.

9.d4 Be7 10.0-0 Bb7 11.Nbd2 Nbd7 12.Rc1 Rc8 13.Qe2 Ne4 14.Ne4 Be4 15.Nd2 Bb7 16.f3 Bg5 17.Rfe1 g6 18.Bd3 Bh6 19.Ne4 Qe7 20.Rc8 Rc8 21.Rc1 Rc1 22.Bc1 Nf6 23.Nf6 Qf6 24.Bb2 Qg5 25.Kf2 Qh5 26.h3 Qa5 27.Qc2 b5 28.e4 Bf8 Attacking the isolated pawn on a3 29.Qb3 a6 30.Ke3?? Qe1–+ 31.Be2 Qg1 32.Kd3 Qg2 33.Qc3 Qg3?? 34.d5= Qd6?? 35.Qh8 1–0. Fournier,Frederic – DF5, Partie evaluee, 7m + 5s, 2008.

9.d4 Be7 10.Nbd2 Bb7 11.0-0 Nbd7 12.Qe2 Nd5 13.Rac1 Rc8 14.Rfd1 Bd6 15.e4 White threatens to win material: e4xd5 15...Nf4 Black threatens to win material: Nf4xe2 16.Qe3 Ng6 White has an active position 17.e5 White threatens to win material: e5xd6 17...Be7 Black has a cramped position 18.Ne4 (18.g3 h6+=) 18...Nb8 (18...Rc4 19.Rc4 Nde5 20.Ne5 Ne5 21.Rcc1=) 19.Ba2 Qd7 White has a very active position 20.Nfg5 (20.Nc3 Rcd8+=) 20...h6 21.Nf3 Qb5 22.Rc8 Rc8 23.Bc1 (23.Rd2 Nh4=) 23...Qc6 (23...Na6 24.h3+=) 24.Bb1= Qa4 25.Re1 Na6 (25...Bd5!?=) 26.Nd6 Bd6 27.ed6 Nf8 28.Ne5+/– Nb8 29.Qg3 Qa5? 30.Rf1?? Qc3+= 31.Be3 Ba6 32.Ng4 Kh8 33.Nh6 gh6?? 34.Qe5 Kg8 35.Bh6 f6 36.Qf6 (36.Qf6 Qd4 37.Qd4 Rc7 38.dc7 Kf7 39.Qg7 Ke8 40.cb8Q Bc8 41.Qc8) 1–0. Michalak,Marek (2050) – Flazinski,Jozef (2020), Wisla Fianchetto op 5th Poland, 2000. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 dc4 8.Bc4)

9.0-0 Na5 10.Ba2 b6 11.Qe2 Bb7 12.d4 Be7 13.Nc3 Rc8 14.Rac1 a6 15.e4 b5 16.e5 Nd5 17.Ne4 Nc4 18.Bc4 bc4 19.Nfd2 Nf4 20.Qe3 Nd3 21.Rc2 Nb2 22.Rb2=+ Bd5 23.Rc2 Rc7 24.Rfc1 Qa8 25.f3 Rfc8 26.Nd6 Bd6 27.ed6 Rc6 28.d7 R8c7 29.Qe2 Rd7 30.Nc4 Qa7 31.Qd3 Bc4–/+ 32.Rc4 Rd4! 33.Qd4 Qd4 34.Rd4 Rc1 35.Kf2 Kf8 36.Rd6=+ a5 37.Ra6 Rc2 38.Kg3 Rc5 39.Ra7 g6 40.Kf4 Kg7 41.g4 Rc4–+ 42.Kg3 Ra4 43.g5 Ra3 (44.Kf4 a4–+) 0–1. Ostroverkhova,Elena – Aslanian,L (2190), Femida Open Kharkov UKR, 2003.

9.0-0 a6 10.d4 Ba7 11.Nc3 b5 12.Bd3 Bb7 13.Qc2 Rc8 14.Rac1 e5?? (better is 14...b4 15.ab4 Nb4+=) 15.de5+– (15.Ne5?! Bb8 16.Rfd1 Re8+/–) 15...b4? (15...Nd7 16.Bh7 Kh8+–) 16.ab4 (better is 16.ef6 g6 17.Ne4+–) 16...Nb4= 17.Qb3 Nd3 18.Rcd1?? Ne4?? 19.Ne4?? Be4–+ 20.Ne1 Rb8 21.Qc4 Nb2 22.Rd8 Nc4 23.Rf8 Kf8 24.f3 Ba8 25.Nc2 Rb2 26.Nd4 Ne3 27.Re1 Bd4 28.Kh1 Rg2 (28...Rg2 29.Rc1 Bf3 30.Rc8 Ke7 31.Rc7 Ke6 32.Re7 Ke7 33.h4 Rg3 34.Kh2 Nf1; 28...Ng2 29.Rf1 Nh4 30.h3 Nf3 31.Rf2 Rf2 32.e6 Rh2) 0–1. Fournier,Frederic (1635) – lloraras (1685), Active, 2007.

9.0-0 a6 10.d4 Ba7 11.Nc3 b5 12.Bd3 Bb7 13.Ne4 Ne4 14.Be4 Na5 15.Bc3 Be4 16.Ba5 Qa5 17.Ng5 Bb7 18.Qh5 h6 19.Nh3 Qd8 20.Rac1 Qb6 21.f4 Rac8 22.Rc8 Rc8 23.f5 ef5 24.Qf5 Qg6 25.Qf3 Bf3 26.Rf3 Qb1 0–1. Guest9427 – RobbyS, internet, 2001.

9.0-0 a6 10.d4 Be7 11.Qe2 b5 12.Bd3 Bb7 13.Nbd2 Rc8 14.e4 Na5 (14...Qc7 15.a4 ba4 16.Ba3=) 15.e5 (15.a4!?+=) 15...Nd5=+ 16.Qe4 g6 17.Qg4 Nc4 18.Bc1 Nd2 (18...Nc3 19.Re1=+) 19.Bd2= Nb6 20.h4? (20.Rfd1!?=) 20...Nc4 (20...Bf3!? 21.gf3 Bh4-/+) 21.Bh6=+ Re8 22.h5 (22.Rfd1!?=+) 22...Bf3-/+ 23.gf3 Bf8 (better 23...Ne5!? 24.de5 Qd3-+) 24.Bf8=+ Rf8 25.hg6 fg6 (25...hg6 26.Bg6 Re8 27.Be4 Kf8 28.Bb7+=) 26.Bg6 (26.Bc4 Rc4 27.Qe6 Kg7 A) 28.Qa6?? A1) 28...Qd4?! 29.Qb7 Rf7 30.Qe4=+ (30.Qb5 Qh4 31.e6 Rf5 32.Qf5 gf5-+); A2) 28...Qg5 29.Kh2 Rf4 30.Qf6 Rf6 31.ef6 Qf6-+; B) 28.Rfe1 Rf3 29.Qa6 Rf2 30.Re4-+) 26...Kh8?? (better 26...Rc7 27.Qe6 Kh8-+) 27.Bh7+= Rf7? (27...Kh7 28.Qh3 Double attack) 28.Bg6+- Rg7 29.Kg2 Rcc7 (29...Ne5 30.de5 Qe7+-) 30.Rh1 Kg8 31.Rh6 Kf8 (31...Qe8 32.Be8 Rg4 33.fg4 Re7+-) 32.Rh8 Rg8 33.Qf4 Kg7 (33...Qf6 34.Qf6 Rf7 35.Qf7) 34.Qh6 1-0. jhonores (2170) - pastorjackool (2195), Rated Blitz game, lichess.org, 2020.

9.0-0 Bd6 10.d4 =.

9.0-0 Bd7 10.d4 Bd6 (10...Be7 11.Nbd2+=) 11.Nc3 (11.Nbd2 Rc8+=) 11...a6= 12.Be2 (12.Rc1 Qe7=) 12...Rc8 (12...Qb6 13.Na4 Qa7 14.Nc5+=) 13.e4+= Bb8 (13...Nh5 14.g3+–) 14.e5 Nd5 15.Nd5 ed5 16.Rc1 Bf5 (16...Na5 17.Bc3+=) 17.h3 (17.Bd3 Be4+–) 17...h6 (17...Na5 18.Bc3+=) 18.Qb3 (18.Bd3 Ne7+–) 18...Qd7+= 19.Nh4 (better 19.Rfe1+=) 19...Bh7? (better 19...Be6!?+=) 20.Bg4+– Qe7 21.Bc8 Rc8 22.Nf3 Qd7 23.a4 (23.Rfd1 Ba7+–) 23...Re8 (23...Ba7 24.Rfd1+–) 24.Bc3 Kh8 (24...Ba7 25.Rfe1+–) 25.Rfd1 (25.a5 Rc8+–) 25...Ne7 (25...Ba7 26.a5+–) 26.Ne1 Nf5 (26...Ba7 27.Ba5 Nc6 28.Bb6+–) 27.Nd3 b5 (27...Ba7 28.Nf4+–) 28.Nc5 Qa7 (28...Qc6 29.ab5 ab5 30.Ra1+–) 29.ab5 ab5 30.Qb5 Rf8 (30...Rg8 31.Na6+–) 31.Ra1 Qc7 32.Ra8 Kg8 (32...Rg8 33.Ba5 Nd4 34.Bc7 Nb5 35.Bb8 d4+–) 33.Nd7 Rc8 34.Rb8 Qc3 (34...Bg6 35.Rc8 Qc8 36.Qd5 Ne7+–) 35.Qb4 Qc7 36.Qf8! Rf8 (36...Rf8 37.Rf8) 37.Rf8 1–0. Janek – esson, internet free game, 2017.

9.d4 Bb6 10.0-0 a6 11.Nbd2 Bc7 12.Qe2 b5 13.Bd3 Bb7 14.e4 Na5 15.e5 Nd5 16.Qe4 g6 17.Qg4 Rc8 18.h4 h5 19.Qg3 Nf6? (better 19...Qe7!?=) 20.Bg6+/- fg6 (20...Kh8 21.Bd3 Nd5 22.a4+/-) 21.Qg6+- Kh8 22.ef6 Qf6 23.Qh5 Kg8 24.Ng5 Qf5 (24...Qg7 25.d5 e5+-) 25.g4 Qc2 (25...Bh2 26.Kh2 Qf4 27.Kh3 Rf6+-) 26.Rac1 Qd3 27.Rc3 Bh2 28.Kh2 Rc3 29.Bc3 Nc4 (29...Bd5 30.Ba5 Rf6+-) 30.d5 e5 31.Nc4 bc4 32.Be5 Rf6 (32...Qg3 33.fg3 Rf2 34.Rf2 Bd5 35.Qg6) 33.Bf6 Kf8 (33...Qg3 34.Kg3 Bd5 35.Qe8) 34.Qf7 (34.Qh8) 1-0. jhonores (2210) - TacMaitem (2035), Hourly SuperBlitz Arena, lichess.org, 2020.

9.d4 Bb6 10.Nbd2 Nd5 11.0-0 Bc7 12.Qe2 Nce7 13.Rac1 a6 14.g3 (14.Bd3 Ng6+=) 14...b5 15.Bd3 Bb7 16.e4 Nf6 17.Rfd1 Rc8 18.h4 (18.Nb3 Bb6+=) 18...h5 (18...Nd7 19.Nb3=) 19.Ng5 (19.Nb3 Bb6+/-) 19...Ng4 20.e5 (20.Nb3 Bb6+=) 20...Ng6 (20...Bd5 21.Nde4=) 21.Be4 (21.a4 Bb6 22.Rc8 Bc8 23.ab5 Bd4 24.Bd4 Qd4+-) 21...Be4 22.Nde4 Qd5 23.Rc5 Qb3? (better 23...Qd7+=) 24.Rdc1+- b4? (24...f6 25.ef6 gf6+-) 25.ab4 Qb4 (25...f5 26.ef6 (26.Rc7?! Rc7 27.Nc5 Rc5 28.dc5 Qb4+-; 26.Qa6?! fe4 27.Qe6 Qe6 28.Ne6 Rf2+-) 26...gf6 27.R1c3+- (27.Rc7?! Rc7 28.Rc7 fg5+-)) 26.Rc7 Rc7 27.Rc7 Nh6 (27...Qb6 28.Qc2 Qa5 29.Qc3 Qc3 30.Bc3+-) 28.Bc1 (28.Nd6 Rb8 29.Bc3 Qb1 30.Kg2 Qb6+-) 28...Qb1 (28...Qd4 29.Bb2 Qb6+-) 29.Qh5 Qd3 (29...Ne7+-) 30.Nf6! gf6 31.ef6 (31.ef6 Ne7 32.Qh6+-) 1-0. jhonores (2295) - richardyorac123 (2185), Rated Blitz game, lichess.org, 2020.

9.d4 Bb6 10.Nbd2 Bd7 11.0-0 Nd5 12.Qe2 Nce7 13.Ne5 Ba4 14.Rac1 Rc8 15.e4 Nf4 16.Qe3 Nfg6 17.Ng6 Ng6 18.f4 e5 19.fe5 Ne5 20.Be2 Ng6 21.Nc4 Bc7 22.e5 Bc6 23.Bf3 Bf3 24.Rf3 (24.Qf3 Bb6 25.Nb6 Rc1 26.Bc1 Qb6+=) 24...f6 (24...b5 25.Nd6 Bd6 26.Rc8 Qc8 27.ed6=+) 25.e6 (25.Qe4!? b5 26.Ne3 fe5 27.Rf8 Qf8 28.Qd5 Kh8 29.Qb7 (worse 29.de5 Bb6 30.Qe4 Rc1 31.Bc1 Qc5-/+) 29...ed4 30.Nd5+=) 25...Re8 26.Re1 (26.Qb3!? Qd5 27.Nd2 Qe6 28.Qb7 Bh2 29.Kh2=+) 26...Qd5-/+ 27.Nd2 Re7 (27...Ba5 28.Qf2 Qa2 29.Bc1 Re6 30.Rd3-+) 28.Qb3 Qb3 29.Rb3 Bb6 30.Kf1 Nf4 31.Rbe3 Nd5 32.Re4 Rc2 33.Bc1 (better 33.Rc1!? Rec7 34.Rc2 Rc2 35.e7 Ne7 36.Re7 Rd2 37.Re2 Rd1 38.Re1-/+) 33...Ba5-+ 34.R4e2 Nc3 (34...Nf4!? 35.Re4 Re6 36.Re6 Ne6 37.d5-+) 35.Rf2 Nb1?? (35...Na2 36.d5 Rc1 37.Rc1 Nc1-/+) 36.Rd1 (better 36.Nb1 Rf2 37.Kf2 Be1 38.Ke1 Re6 39.Kd1+=) 36...Nd2 37.Bd2 Bd2?? (37...Rd2 38.Rdd2 Bd2 39.Rd2 Re6 40.Kf2=+) 38.Rfd2?? (better 38.d5 Rc8 39.Rdd2+/-) 38...Rd2=+ 39.Rd2 Re6 40.d5 Rd6 41.Ke2 Kf7 42.Ke3 f5 43.Kd4 Kf6 44.Kc5 Rd7 (44...Ke7!?=+) 45.d6= g5 (45...Kf7!?=) 46.Kd5+/- h5 47.Rf2 (47.Rc2 Rd8+=) 47...f4 (47...h4 48.Rc2+=) 48.h4 Kf5 (48...gh4 49.Rf4 Deflection) 49.hg5+/- Kg5 (49...Kg5 50.Ke6 Rd8+-) 0-1. jhonores (2175) - caparo72 (2090), Rated Blitz game, lichess.org, 2020.

9.d4 Bd6 10.0-0 =.

9.d4 Be7 10.0-0 Na5 11.Bd3+= Nc6 12.Nc3 a6 (12...Bd7 13.Rc1+=) 13.Na4 b5 14.Nc5 Nd7 (14...Qb6!?+/–) 15.Qc2 Nc5 16.Bh7 Kh8 17.dc5 Bf6? (better is 17...Qc7+–) 18.Rad1 Qe7 19.Bf6 Qf6 (19...gf6 20.Be4 Bb7 21.Rd6+–) 20.Be4 Bb7 21.Rd7 Rab8 22.Rb7! (22.Rb7 Rb7 23.Bc6+–) 1–0. pierred – anony, internet, 2015.

9.d4 Be7 10.0-0 Bd7 11.Bd3 Qb6 12.Qe2 Rac8 13.Nc3 Qa5 14.e4 Qh5 15.h3 Rfe8 16.Rab1 a6 17.Rfc1 b5 18.Qe3 b4 19.ab4 Nb4 20.Bf1 Qa5 21.Ne5 Red8 22.d5 Bc5 23.Qe1 Qc7 24.Nf7?? Kf7–+ 25.de6 Be6 26.Na4+= Qe7 27.Nc5 Rc5 28.Rc5 Qc5 29.Bf6 Nd3 30.Bd3 Rd3 31.Qe2 Bc4 32.Bb2 (32...Kg8 33.Qg4+/–) 1–0. Taulien,Hans_Juergen (2225) – Ohnmacht,Rolf (2105), remoteschach.de, 2005.

9.d4 Be7 10.Nc3 a6 11.0-0 (11.Bd3 b5=) 11...b5 12.Bd3 Bb7 13.Ne4 (13.Qe2 Rc8=) 13...Rc8 (13...Ne4 14.Be4 f5 15.Bd3=) 14.Rc1 (14.Nf6 Bf6 15.Qb1 h6=) 14...Na5 (14...Ne4 15.Be4 f5 16.Bd3+=) 15.Rc8 Qc8 16.Nf6 Bf6 17.Qe2 Qa8 18.Rc1 Rc8 19.Rc8 (19.Rc3 Rc3 20.Bc3 Bf3 21.gf3 Nc6=) 19...Qc8 20.Nd2 Bd5 (20...Qc6 21.Qg4 Qd5 22.Bc3=) 21.e4 Ba8 22.Qe3 ½–½. Ramos,J – Schneiderheinze,Roland, corr ICCF–Cup8/9 V100, 1990.

9.d4 Be7 10.Nc3 Rb8 11.0-0 b6 12.Bd3 Bb7 13.Ne4 Nd5 14.Rc1 f5 15.Nc3 Nf6 16.Nb5 (16.Qb3 Nd5 17.Nd5 ed5 18.Qa4+=) 16...Ng4 (16...a6!? 17.Nc3 Qd6=) 17.h3 (17.Bc4!? Bc8 18.d5+/–) 17...Nf6+= 18.Qb3 (18.Ne5 Ne5 19.de5 Nd7+/–) 18...Qd7 (18...Nd5!?=) 19.Ne5 Ne5 20.de5 Nd5 21.Nd4 (21.Na7 Ne3 22.fe3 Bd5+/–) 21...Bd8 (21...a6 22.Rfd1=) 22.e4 fe4 23.Be4 Bc7 (23...Bg5 24.Rc2+=) 24.Nf3 (24.Nb5 Bd8+/–) 24...Rfd8 (24...Nf4 25.Qc2 Be4 26.Qe4=) 25.Rfd1 (25.Qc2 Rbc8 26.Bh7 Kh8 27.Qe4+/–) 25...Qf7? (better is 25...Rbc8!?+=) 26.Qc2 g6? 27.Bd5 Bd5 28.Qc7 Qf5 29.Qc2 Qf7 30.Qe2 Kg7 31.Rd2 Re8 32.Rdc2 Bb7 33.Rc7 Re7 34.Re7 Qe7 35.Qc4 Rc8 36.Qf1 Rc1 37.Qc1 Bd5 38.Qc3 Qd7 39.Nd4 Kf7 40.Qe3 Qb7 41.f3 Qa6 42.Qe2 Qe2 43.Ne2 Bc4 44.Nc3 a5 45.Kf2 b5 46.Ke3 b4 47.ab4 ab4 48.Ne4 b3 49.Nc5 Bd5 50.Na4 Ke7 51.Nc3 Bb7 52.Kd4 g5 53.Kc5 h5 54.Kb4 Bd5 55.Nd5 ed5 56.Kb3 Ke6 57.Kc3 h4 58.Kd4 g4 59.Bc3 Kf5 60.fg4 Ke6 0–1. Fournier,Frederic – jrsenior, Active, 2008.

9.d4 Be7 10.Nbd2 b6 11.0-0 Bb7 12.Rc1 Na5 13.Ba2 Rc8 14.Qe2 Qd7 15.Ne5 (15.Bb1 Rc1 16.Rc1 Rc8=) 15...Qa4 Exerts pressure on the isolated pawn 16.Qd3 (16.Bb1 Rc1 17.Rc1 Ba3=) 16...Rc1 (16...Nc6 17.Nc6 Bc6 18.Bb3=) 17.Rc1+= (worse 17.Bc1 Rc8–/+) 17...Rc8 18.Rc8 Bc8 19.Nf1 (19.Nb1!?+=) 19...Bb7= 20.f3 Bd5 (20...Nc6 21.Nc6 Bc6 22.e4=) 21.Bd5= Nd5 22.e4?? (better 22.Qa6 g6 23.Qa7=) 22...Nf4–+ 23.Qd2 Bg5 24.Qf2? (better 24.Kh1 f6 25.Ng4–+) 24...Qd1 (24...f6 25.h4 fe5 26.hg5–+) 25.h4 Ne2 26.Kh2 Bf4 27.g3 Be5 28.de5 Nc4 29.Ba1 Na3 (better 29...Ng3 30.Ng3 Qa1–+) 30.Kh3?? (30.Ne3 Qd3–+ (worse 30...Qa1 31.Qe2 Qc3 32.f4–+)) 30...h6 (better 30...Nc2 31.Bb2 Nb4 32.Kh2–+) 31.h5?? (31.Ne3 Ng1 32.Kg2 Qa1 33.Qg1 Qe5 34.Qc1–+) 31...Nc2 32.Bb2 Nb4 33.Ba3 (33.Kh2 Nd3 34.Ne3 Nf2 35.Nd1 Nd1 36.Ba3–+) 33…Nd3 (33...Nd3 34.Qg2 Ndf4 35.gf4 Nf4 36.Kh2 Ng2 37.Kg2 Qe2 38.Kg1 Qf3–+) 0–1. Jodunath,Biswas (1780) – Md,Nasim Hossain Bhuiy (1940), 2rd SAIF POWERTEC National B Chess Cham, 2016.

8.Nc3 b6 9.cd5 Nd5 10.Nd5 Qd5 11.Be2 Bb7 12.0-0 Ne5?? (better is 12...Rac8=) 13.d4 (13.Be5!? f6 14.Bg3 Rfd8+–) 13...Nf3 14.Bf3 Qd7 15.Bb7 Qb7 16.dc5 bc5 17.Rb1 Rad8 18.Qc2 Rd5 (18...Qe7+–) 19.Bg7! Qc6 (19...Kg7 20.Qb2 Double attack (20.Rb7 Discovered attack)) 20.Bf8 Kf8 21.Rfc1 (21.Qh7 Rd8+–) 21...Rg5 22.g3 Qf3 (22...Kg7 23.Qc3 f6 24.Qa5+–) 23.Qd1 (better is 23.Qh7!? Rf5 24.Rb2 Rh5 25.Rb8 Ke7+–) 23...Qe4 (23...Qd1 24.Rd1 a6+–) 24.Qd8 (24.Qd8 Kg7 25.Qg5 Qg6 26.Qc5+–) 1–0. Fournier,Frederic (1925) – ARTISTA (1765), Active (7/15), 2005.

8.Nc3 dc4 9.Bc4 a6 10.0-0 b5 11.Bb3 Na5 12.Bc2 (12.d4!? Nb3 13.Qb3=) 12...Nc4-/+ 13.Ra2 Nb2 14.Rb2 Ba3 15.Rb1? (better 15.Ra2!? Qd6 16.Qa1=+) 15...Bb7-+ 16.d4 Rc8 17.Qd3? (17.Ne2 Bd6-+) 17...Bd6 (better 17...b4 18.Rb3 Rc3 19.Rc3 bc3 20.Qc3 Qe7-+) 18.Ne5?? (better 18.Rfc1-+) 18…Be5 (18...Be5 19.de5 Qd3 20.Bd3 Rc3 21.Bb5 ab5 22.ef6 gf6-+) 0-1. Darkseid (1720) - mezcal (2115), ChessWorld.net, 2007.

8.Nc3 d4 9.Na4 de3?? (better is 9...b6+=) 10.Nc5+– ef2 11.Kf2 Qb6 (11...e5 12.d4 ed4 13.Bd4 Re8+/–) 12.Bf6 gf6 (12...Qc5 13.d4 Qf5 14.Be5+–) 13.d4 a6 (13...Rd8 14.Nb3+–) 14.Ne4 Rd8 (14...Qb2 15.Be2 Rd8 16.Nf6 Kg7 17.Nh5 Kf8 18.Qd3 Nd4 19.Rhd1+–) 15.Qd2 Kg7 (15...Kh8 16.c5 Qb3 17.Qh6 Qb2 18.Be2+–) 16.c5 Qc7 (16...Qa5 17.Qf4 f5 18.Qg5 Kf8 19.Nd6+–) 17.Nf6 Ne5 (17...h6 18.Nh5 Kh7+–) 18.Nh5 Kh8 19.Qg5 (19.Qg5 Ng4 20.Qg4+–) 1–0. marekt – 3toedsloth, chessworld.net, 2017.

8.Nc3 d4 9.ed4 Nd4 10.Nd4 Bd4 11.Be2 e5 12.0-0 Be6 13.Qc2 Qc7 (13...Re8 14.Rab1+=) 14.d3 (14.Nb5 Qc5=) 14...Rac8 (14...a6!?+=) 15.Nb5= Qc5 16.Bd4 ed4 17.Rfe1?? (better is 17.Qb2 Rfd8 18.a4+=) 17...a6 (17...Qb5! 18.Qd2 Qd7 19.Bf3–+) 18.Nc3 dc3 19.Qc3 Rfd8 20.Rad1 b5 21.Qb4 (21.d4 Qf5 22.c5 Qf2 23.Kf2 Ne4 24.Ke3 Nc3–+) 21...bc4 22.dc4 Qb4 (better is 22...Re8!? 23.Qc5 Rc5 24.Bf1–+) 23.ab4 Rd1 24.Rd1 Kf8 (24...Bc4 25.Bc4 Kf8 26.Ba6+/–) 25.c5 Nd5 26.Ba6 Rc7 (26...Rb8 27.b5 Nc7 28.c6–+) 27.Rc1? (better is 27.Rb1–/+) 27...Nb4–+ 28.Bb5 Ke7 0–1. Fournier,Frederic (1825) – naranjo1940 (1995), Active (5/0), 2004.

8.d3 dc4 9.d4=+ Bd6 10.Bc4 Qc7 (10...Qb6 11.Ra2=+) 11.Qd3 (11.Nbd2 Bd7=) 11...Bd7=+ 12.Nbd2 Rad8 (12...Rac8 13.Rc1=) 13.Ne4 (better 13.Rc1!?=) 13...Ne4-/+ 14.Qe4 Qa5 15.Ke2 e5 (15...Ne7!?=+) 16.d5 (16.de5!? Be7 17.Rhc1+/-) 16...Ne7 17.Qd3 (17.Ne5!? Bf5 18.Qd4=) 17...Rc8 18.Ne5?? (better 18.Rhc1 Qb6 19.Qb3= (19.Be5? Be5 20.Rab1 Qf6-+)) 18...Be5-+ 19.Be5 Rc4! 20.Qc4 (20.Rhd1 Bb5 21.Kf3-+) 20…Bb5 (20...Bb5 21.Qb5 Qb5 22.Kd2 Qd5 23.Bd4 Nc6-+) 0-1. Darkseid (1755) - Philatthepub (1850), ChessWorld.net, 2006.

8.d3 d4!? 9.e4 Qb6-/+.

8.d4 Qa5?? 9.Bc3+– (9.Bc3 Qd8 10.dc5+–) 1–0. wiking – jx1200, internet, 2010.

8.d4 Qb6 9.Qc2 Be7 10.Nbd2 Bd7 11.c5 Qc7 12.Bd3 Rfc8 13.Rc1 b6 14.Nb3 Be8 15.0-0 g6 16.Qe2 Nb8?? (better is 16...Bd7+=) 17.cb6+– Qb7 18.Rc8 (better is 18.Na5 Qb6 19.Rc8 Qa5 20.e4+–) 18...Qc8 19.Rc1 Qb7 20.ba7 Qb3 21.ab8Q Rb8 22.Rb1 Qa2 23.Qc2 Ba3 24.Ba3 Rb1 25.Qb1 Qa3 26.Ne5 Qc3 27.h3 ½–½. Fournier,Frederic – Duregne,Olivier, Active Game Senlis FRA, 1999.

8.d4 Qb6 9.Qe2 Bd6 10.c5 Bc5 11.dc5 Qc5 12.Bf6 gf6 13.Qb2 +–.

8.d4 Bd6 9.Nbd2 (--> 6.Nf3 Nc6 7.d4 Bd6 8.Nbd2 0-0 9.c4).

8.Be2 b6 9.0-0 Bb7 10.d4 Be7 11.cd5 ed5 12.Nbd2 Rc8 13.Bd3 Bd6 14.Qe2 Qe7 15.Rfc1 Rc7 16.Rc3 Ne4 17.Rc2 Rfc8 18.Nf1 Na5 19.Rc7 Rc7 20.Be4? (better is 20.Rc1!?+=) 20...de4–+ 21.Ne1 Nc4 22.a4 Bd5 23.Rc1 Nb2 (23...Qd7!? 24.f3 ef3 25.Nf3 Bf3 26.gf3 Qa4 27.Bc3–+) 24.Rc7 Qc7 25.Qb2 Qc4 26.Nd2 Qe2 (26...Qe2 27.Qc1 g6–/+) 0–1. Fournier,Frederic (1830) – Lupu,Mircea Sergiu (2490), Match Active, 2001.

8.Be2 b6 9.0-0 dc4 10.Bc4 Bb7 11.d4 Be7 12.Nbd2 Ng4 (12...Rc8 13.Bd3=) 13.h3 Nf6 14.Re1 Rc8 15.Nb3?? (15.Bd3 Nd5+=) 15...Ne4 (15...Nd4!? 16.Ne5 b5-/+) 16.Nbd2 (better 16.Rc1!?=) 16...Bf6?? (better 16...Na5 17.Bd3 f5=+) 17.Ne4+- 1-0. Darkseid (1715) - skoot (1725), ChessWorld.net, 2006. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 Nc6)

8.Be2 b6 9.d4 Bd6=.

8.Be2 Qb6 9.Qc2 (9.Bf6!? gf6 10.cd5 ed5 11.Nc3+/–) 9...dc4 (9...d4 10.ed4 Nd4 11.Bd4 Bd4 12.Nd4 Qd4 13.Qc3+=) 10.Bc4 Na5 11.Ba2 (11.Bd3 Be7+=) 11...Bd7 12.0-0 Rac8 13.Nc3 (13.Bf6 gf6 14.Nc3 Bd6=) 13...Be7 14.Rab1 Bc6 15.Qd1 Ne4 (15...Rfd8 16.Nd4+=) 16.d3 Nc5 17.d4 Ne4 (17...Bf3 18.Qf3 Nd3 19.Ba1+/–) 18.Qd3 (better is 18.d5!? ed5 19.Nd5+/–) 18...Nc3= 19.Bc3 Qd8 (19...Qc7 20.d5 ed5 21.Be5=) 20.Bb4 (20.Ne5!?+=) 20...Bf3 21.gf3 Nc6 22.Be7 Qe7 23.f4 Rfd8 24.Qe4 (24.Rfc1!?+=) 24...Qa3–/+ 25.Bc4? (25.Bb3 Qe7–/+) 25...Qe7?? (better is 25...Nd4 26.Bb5 Nb5 27.Rb5 b6–+) 26.Bd3 g6 27.Rb5 a6 28.Rb6 Nb4 29.Rb7= Qd6 30.Rb1?? f5–+ 31.Qg2 Nd3 32.h4 Rc1 33.Rc1 Nc1 34.h5 1–0. Fournier,Frederic (2090) – huskyy (2090), Echecs21 (5/3), 2003.

8.Be2 dc4 9.Bc4 a6 10.d4 Be7 11.Qc2 Bd7 12.0-0 Rc8 13.Nc3 b5 14.Bd3 b4 15.ab4 Nb4 16.Qe2 Nd3 17.Qd3 Bb4 18.Rfc1 Bc3 19.Bc3 Bb5 20.Qb1 Nd5 21.Ba5 Rc1 22.Qc1 Qc8 23.Ne5 f6 24.Nf3 Qc4 25.Qc4 Bc4 26.Nd2 Bb5 27.Nb3 Rc8 28.Nc5 e5 29.Bd2 ed4 30.ed4 Kf7 31.h3 Rc6 32.f3 h5 33.Kf2 Nc7 34.Bb4 Ne6 35.d5 Nc5 36.dc6 Nd3 37.Ke3 Nb4 38.c7 Bd7 39.Rc1 Bc8 40.Kd4 Ke7 41.Kc4 a5 42.Kb5 Kd6 43.Ka5 Nd5 44.Kb5 Nc7 45.Kc4 Be6 46.Kd4 Nd5 47.Ra1 Nc7 48.Re1 Bf5 49.g4 Ne6 50.Ke3 Bg6 51.Rd1 Ke5 52.Ra1 Nf4 53.Ra5 Nd5 54.Kf2 Bd3 55.Kg3 hg4 56.f4 Ke4 57.Ra4 Ke3 58.hg4 f5 59.g5 Be4 60.Ra3 Kd4 61.Ra7 Time forfeit 1-0. carlos78 (2250) - becrot (2150), Rated Blitz game, lichess.org, 2015.

8.Be2 d4 9.ed4 Nd4 10.0-0 +=.

8.Bf6 gf6 9.d4 Be7 10.Qc2 +=.

8.Bf6 Qf6 9.Nc3 dc4 10.Bc4 Qe7 11.a4 b6 12.0-0 Na5 13.Bb3 (13.Bd3 f5=+) 13...Nb3 (13...Bb7!?-/+) 14.Qb3=+ Bb7 15.e4 Rfd8 16.Qc2 (16.a5!?=+) 16...Rac8-/+ 17.Qa2 (17.Qb3 a6-/+) 17...Bb4-+ 18.Nb5?? (better 18.Rfd1-+) 18...Be4 19.Nfd4 (19.Rfc1 Rc1 20.Rc1 Bf3 21.gf3 Qg5 22.Kf1-+) 19...a6 20.Na3 (20.Rfe1 Ba8 21.Rec1-+) 20…Rd4 (20...Rd4 21.d3 Rd3-+) 0-1. Darkseid (1755) - Aethelbald (2260), ChessWorld.net, 2008.

8.Bf6 Qf6 9.d4 Bb6 10.Nbd2 dc4 11.Nc4 Bc7 12.Bd3 Na5 13.0-0 Nc4 14.Bc4 b6 15.Rc1 Bb7 16.h3 Bf3 17.Qf3 Qf3 18.gf3 Bd6 19.a4 Bb4 20.Rc2 Bd6 21.f4 Rfc8 22.Bd3 Rc2 23.Bc2 Rc8 24.Bd3 Rc3 25.Bb5 Kf8 26.Kg2 Ke7 27.Kf3 g6 28.h4 h6 29.h5 Kf6 30.hg6 fg6 31.Rg1 g5 32.fg5 hg5 33.Ke4 Rc2 34.f3 Rc7 35.Rh1 Rg7 36.Be8 Ke7 37.Rh8 g4 38.fg4 Rg4 39.Kd3 Rg7 40.Bc6 Kf6 41.Rd8 Bc7 42.Ra8 Bg3 43.Kc4 Bf2 44.e4 White intends d5 44...Rc7 45.d5 ed5 46.ed5 Bc5 47.Kb5 a5 48.Re8 Re7 49.Re7 (better is 49.Rb8!? Bd6 50.Rb6+–) 49...Ke7+= 50.Kc4 Kd6 51.Be8 Bf2 52.Bc6 Be3 53.Be8 Bc5 54.Bb5 Bb4 55.Bc6 Bc5 56.Bb5 Bb4 57.Bc6 Bc5 ½–½. orangutandu – denvill, 2013.

8.Bf6 Qf6 9.d4 Bd6 10.cd5 (10.Nc3 Bc7=) 10...ed5 11.Bd3 (11.Nc3 Be6=) 11...Be6+= 12.Nbd2 (12.Qc2 Rac8 13.Nc3+= (13.Bh7? Kh8–+)) 12...Rfc8 (12...Qe7 13.Qb3+=) 13.Nb3 (13.Qb1!?=) 13...Qe7 Exerts pressure on the isolated pawn 14.a4 (14.Qb1 h6+=) 14...Nb4–/+ 15.0-0 Rc3 16.Bb1 Bg4 (16...Rac8 17.Nbd2–/+) 17.Nbd2 Rac8 18.h3 Bh5 (18...Be6 19.e4–/+) 19.g4 (19.a5 Nc2 20.Bc2 Rc2–/+) 19...Bg6 20.Bg6 hg6 21.Qe2 (21.a5 Rc2–/+) 21...Nd3 (21...g5 22.Rab1–/+) 22.Rfb1 (22.Rfd1 a6+=) 22...Bb4 23.Nb3 (23.a5 g5–/+) 23...b6 24.Nfd2 (24.a5 ba5 25.Qf1 Ba3–/+) 24...R8c6 25.Nf3 f5 (25...g5 26.a5–/+) 26.gf5 gf5–/+ 27.Ne5? Ne5 28.de5 Qe5 29.Nd4 Rg6 30.Kh1? Qd4! 31.Qh5 Qe4 32.f3 Qe6 33.Rb4 Re3 34.Rbb1 Rh6 (34...Rh6 35.Qh6 Qh6–+; better is 34...Re2!? 35.Qg6 Qg6 36.Rg1–+) 0–1. Wisniewski,J (2000) – Oglozinski,E (2000), corr Leszno–7ch Poland, 1993.

8.Bf6 Qf6 9.d4 Be7 10.Nc3 Rd8 11.cd5 ed5 12.Bd3 =.

9.Bd3 e5 10.0-0 Rb8 +=.

9.Bd3 e5 10.0-0 Bg4 11.Ne1 e4! 12.Be4 Ne4 13.Qe4 Be2 14.Nd3 (14.Nf3 Bf1 (14...Bc4?! 15.Rc1 Bd5 16.Qf5=) 15.Kf1 Re8–/+) 14...Re8 15.Qf4?? (better is 15.Qf5 Bd3 16.Qd3 de3 17.Qc3–+) 15...Bd3–+ 16.Rc1 Qb6 17.Ra2 (17.Bd4 Bd4 18.ed4 Nd4 19.Nc3–+) 17...Qb3 18.Bd4 Bd4 19.ed4 Qa2 20.Nc3 Qa3 21.Rd1 Bc4 (21...Qb3 22.h3 Qc4 23.Qc7–+) 22.d5 Ne5 (22...Ne5 23.d6 Qd6–+) 0–1. Davis,David Neville – Dettmann,Terry, IECG, 2000.

9.Bd3 e5 10.0-0 Bg4 11.Ng5 h6 12.Ne4 Ne4 13.Be4 Be6 14.Re1 (14.a4 Rb8–/+) 14...Qh4 (14...Rb8!?–/+) 15.Bc6+= bc6 16.ed4 ed4 (16...Bd4 17.Bd4 Qd4 18.Qc3+=) 17.d3 Rfe8 18.Nd2 Qd8 19.Re2 (19.Re4 Bf5 20.Re8 Qe8=) 19...Be7 20.Rae1 c5 21.Bc1 (worse is 21.Re6 fe6 22.Re6 Rb8–/+) 21...Qc7 22.h3 Rab8 23.Ne4 Rb6 24.Bd2 Ra6 25.Bc1 (25.a4 Bc8+=) 25...Bc8 26.Ng3 Re6 27.Re6 (27.Qa4 Bd7 28.Qd1 Bd8+=) 27...Be6 (27...fe6?! 28.Qe2=) 28.Qa4 Bd7 (28...Rb8 29.Qd1+=) 29.Bf4 Qb7 (29...Qf4?? 30.Qd7 Kf8 31.Nf5+–) 30.Qa5 a6 31.Kh2 Qc6 32.Re2 Be6 33.Qe1 Qd7 34.Qa5 Qc6 35.Qc7 (35.Qe1 Qb6+=) 35...Qa4 36.Nh5 Qd7 (36...Qa3 37.Re6 fe6 38.Qd7+–) 37.Ng3 Qc7 38.Bc7 Bd7 39.Rb2 Bf8 40.Bf4 f5 41.h4 g6 42.Rb6 Re6 43.Rb8 h5 44.Nf1 Kf7 45.Nd2 Bc6 46.Rc8 a5 47.Kg3 ½–½. Gasanov,Engels G – Hasidume,Shuji (1845), 12th AfroAsia Zonal Champs Prelim Group, 2009. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 Nc6)

9.Bd3 e5 10.0-0 Bg4 11.Ng5!? h6 12.Bh7 Kh8 13.Ne4 –/+.

9.Bd3 h6 10.0-0 Qd6 (10...e5 11.ed4 Nd4 12.Bd4 ed4 13.Re1+=) 11.ed4 (11.Be4 Ne4 12.Qe4 e5+=) 11...Nd4 12.Nd4 Bd4 13.Bd4 (13.Nc3 Ng4 14.g3 Qc5+=) 13...Qd4 14.Ra2 b6 (14...Rd8 15.Be2+=) 15.Nc3 Ba6 (15...Rd8 16.Be2 Bb7+=) 16.Ne4 (16.Ne2!? Qd6 17.Qb3+=) 16...Ne4–/+ 17.Be4 Bc4 18.Ba8 Ba2 (18...Ra8 19.Rc1 Ba2 20.Qa2–+) 19.Be4 Bc4 20.Rc1 Ba6 21.h3 (21.d3 f5 22.Bc6 Rc8–+) 21...Rd8–+ 22.Rd1 (22.Qc7 Qd2 23.Rb1 Qd7–+) 22...Be2 (22...Rc8 23.Qb1–+) 23.Rc1 f5 (23...b5–+) 24.Bf3 (better is 24.Bb7!?–/+) 24...Bf3–+ 25.gf3 Qf4 (25...Qd2 26.Qd2 Rd2 27.Rc7–+) 26.Qc3 (26.Qb3 Rd2 27.Qe6 Kh7–+) 26...Rd2 27.Qc8 (27.Re1 Kf7–+) 27...Kh7 28.Qe6 Qf3 (28...Qf3 29.Qe3 Qe3 30.fe3 Rd3–+) 0–1. Cloarec,Audrey – Maupin,Valerie, FRA–ch U16 Girls, 2003.

9.d4 Bb6 10.cd5 Nd5 11.Nd5 Qd5 12.Qc2 Ba5 13.Bc3 Bc3 14.Qc3 Ne7 15.Bd3 Bd7 16.0-0 Rac8 17.Qb2 Rb8 (17...b5 18.Rfc1+=) 18.Ne5 Rfc8 19.Nd7 (19.Qb1 Ng6+/–) 19...Qd7+= 20.Rfc1 Nd5 21.Rc8 Rc8 22.Rc1 Rc1 23.Qc1 g6 24.Be4 Kg7 25.Bd5 Qd5 26.h3 h5 27.Qc5 Qc5 28.dc5 Kf8 29.Kf1= Ke7 30.Ke2 Kd7 31.Kd3 Kc6 32.Kc4 b5 33.cb6 Kb6 34.h4 Kc6 35.f4 f6 36.e4 e5 37.fe5 fe5 38.a4 a5?? 39.g3+– Kb6 40.Kd5 Kc7 41.Ke5 Kb6 42.Kd5 Kc7 43.e5 Kd7 44.e6 Ke7 45.Ke5 Kf8 46.Kf6 Ke8 47.e7 g5 48.hg5 h4 49.gh4 Kd7 50.Kf7 1–0. Fournier,Frederic – elmarginal (1650), Active, 2007.

9.d4 Bd6 10.c5 Bb8 11.Na4 Bc7 12.Bd3 Ba5 13.Nc3 b6 14.cb6 Bb6 15.Na4 Ba5 16.Bc3 Ne4 17.Be4 de4 18.Nd2 Bc3 19.Nc3 f5 20.0-0 a5 21.Qb3 Rf6 22.Na4 (22.Rfc1 Rb8 23.Qc4 Bd7+=) 22...Ba6 23.Rfc1 Ne7 24.Nc5 Nd5 25.Rab1 h6 26.Na6 Ra6 27.Qb7 Rb6?? (27...Ra8 28.Rc5+=) 28.Rb6 (better 28.Rc8 Qc8 29.Qc8 Rf8 30.Qc5 Rb1 31.Nb1+-) 28...Qb6+/- 29.Qb6 Nb6 30.Rc6 (better 30.Rc5!?+/-) 30...e5= 31.Rf6 gf6 32.de5 fe5 33.Nb3 (33.h3 Kf7=) 33...a4 34.Nc5 Kf7 35.Kf1 Ke7 36.Ke2? (36.Na6!?=+) 36...Kd6-/+ 37.Na6 (37.Nb7!? Kd5 38.h3-+) 37...Nc4-+ 38.Nb4 Na3 39.f3 Kc5 40.Na2 (40.Na6 Kc4 41.fe4 Nc2 42.ef5 a3-+) 40...ef3 (40...Kc4!? 41.Kd1-+) 41.gf3 Kc4 42.Kd2 Nb5 43.h4 a3 44.Kc2 (44.h5 Nc7-+) 44...f4 45.ef4 ef4 46.Nc1 Nd4 47.Kb1 (47.Kd1 h5-+) 47...Nf3 48.Ne2 (48.Kc2 Ne1 49.Kd2 Nd3 50.Nd3 a2 51.Nf4 a1Q-+) 48...Nd2 (48...Nd4 49.Nd4 Kd4 50.Kc2 f3 51.Kd2 a2 52.Ke1 a1Q 53.Kf2 Ke4 54.h5 Qb2 55.Kg3 Qg7 56.Kh3 Kf4 57.Kh2 Qg2) 49.Ka2 f3 50.Ng3 Kd3 (better 50...f2 51.Ka3 Kd3 52.Kb2-+) 51.Ka3 (51.Nh1 Ke2 52.Ng3 Ke1 53.Ka3 f2-+) 51...Ke3 (51...f2 52.Kb2-+) 52.Kb2 (52.Nh1 Ke2 53.Ng3 Ke1 54.Kb4-+) 52...Kf2 53.Nf5 h5 (better 53...Ke1!? 54.Kc3 f2 55.Ne3-+) 54.Nd4 (54.Kc2 Ke1 55.Kd3-+) 54...Kg2 55.Kc2 (55.Nf3 Nf3 56.Kc2 Nh4-+) 55...Ne4 (better 55...f2 56.Kd2 f1Q 57.Ke3-+) 56.Nf3 Kf3 57.Kd3 Kg4 (better 57...Nc5 58.Kd4 Kg4-+) 58.Ke4= Kh4 59.Kf3 Kh3 60.Kf2 Kh2 61.Kf1 h4 62.Kf2 Kh1 63.Kf1 h3 64.Kf2 h2 65.Kf1 ½-½. amirgloo (1865) - MaXXX777 (2100), lichess.org, 2019.

9.d4 Be7 =.

9.cd5 Nd5 10.Nd5 Qd5 11.Qc2 e5 (11...Bd6 12.Bd3 Qh5 13.Be4=) 12.Rc1 Be7 13.Bd3 g6 14.Be4 Qe6 15.Bc6 bc6 16.Ne5 c5 17.Nf3 Bb7 18.Qc3 f6 19.Qc4 (19.d3!?+=) 19...Bd5= 20.Qa4 Bf3 21.gf3 Rab8 22.Rc2 Rb6 23.Qe4 Qe4 24.fe4 Rfb8 25.Bc1 Rb1 26.Rg1 c4 27.Rc4 Ba3 28.Ke2 a5 29.Rd1 Bc1 30.Rdc1 Rc1 31.Rc1 a4 32.Rc3 h5 33.Ra3 Ra8 34.f4 Ra5 35.d4 White prepares the advance e5 35...g5 36.fg5 fg5 37.Kd3 g4 38.Kc4 h4 39.e5 g3 (39...g3 40.hg3 h3+/–) 0–1. Comrad_borscht – GCP, playchess.de, 2004.

9.Be2 Na5 10.cd5 Nd5 11.0-0 Nc6 12.Bc4 (12.Qc2!?+=) 12...Nc3= 13.Bc3 b5 14.Be2 Bb7 15.d4 Bb6 16.Qc2 Rc8 17.Rfc1 Ne7 18.Qb2 Nd5 19.Bd2 Qe7 (19...Qd6 20.Rcb1=) 20.Rc8 (better is 20.e4!? Nf6 21.Bb4+/–) 20...Rc8= (worse is 20...Bc8 21.e4 Nf6 22.Bb4+–) 21.Rc1 Rc1 22.Qc1 Qc7 23.Qc7 Bc7 24.Ne1 h6 25.Nd3+= Nf6 26.Nc5 Bc8 27.Bf3 Nd5 28.Bd5 ed5= 29.f3 f5 30.e4 fe4 31.fe4 de4 32.Ne4 Kf7 33.Bb4 Ke6+= 34.Kf2 g5 35.Nc5 Kd5+= 36.Ke3 Bh2–+ 37.Nd3 Bc7 38.Nf2? g4 39.Ne4–/+ Bd8 40.Bc5 a5 41.Nc3 Kc4 42.Ne2? Bb7 43.g3 Bg5 44.Kf2 Bd2 45.Nf4 b4 46.ab4 ab4 47.Ke2 Bc3 48.Bb4 Bb4 49.Ke3 Bd6 50.Ne6 Bg3 0–1. Fournier,Frederic (1970) – alfonsoelsabio (2005), Active (5/0), 2004.

9.Be2 dc4!? 10.Bc4 b5 +=.

9.h3 d4 10.Na4 Ba7 11.Qc2 de3 12.fe3 Nh5 13.Bd3 f5 14.g4 Ng3 15.Rg1 Ne4? (better 15...Bb8+=) 16.gf5+- ef5?? (16...Nf6 17.fe6 h6+-) 17.Rg7 Kh8 18.Be4 (18.Rd7 Kg8 19.Rd8 Nd8+-) 18...fe4 (18...Bd4 19.Nd4 Qh4 20.Kd1 Nd4 21.Bd4 Rf6+-) 19.Rd7 Kg8 20.Rd8 Nd8 21.Qe4 Bh3 (21...Ne6+-) 22.0-0-0 Bf5 23.Rg1 Bg6 24.Rg6 (24.Rg6 hg6 25.Qg6) 1-0. marekt - mckenna215, ChessWorld.net, 2013. (=1.c4 Nf6 2.b4 d5 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Bb2 Nc6 7.Nf3 0-0)

9.Nc3 Bc7 10.Rc1 =.

9.Nc3 Bd7 10.c5 Ba5 =.

9.Nc3 Bd7 10.Bd3 dc4 11.Bc4 Rc8 12.Qe2 =.

9.Nc3 Bd7 10.Bd3 Rc8 11.cd5 ed5 12.h3 Re8 13.0-0 Ba5 14.Rc1 Bc3 15.Rc3 Ne4= 16.Be4 de4 17.Nd2 Qh4 18.f4 b6 19.Qe1 Qh5= 20.Rf2 Na5 21.Rc8 Bc8=+ 22.Qe2 Qd5 23.Qd1 Bd7 24.Nb1 Nc4–/+ 25.Qb3 b5 26.Nc3 Qc6 27.Re2 a6 28.Nd1 Qg6 29.Kh2 a5 30.g3?? Bh3 31.a4?? Bg4–+ 32.Re1 Nd2 (33.Nf2 Nb3 34.ab5 Rb8–+) 0–1. Efthimakis,Dimitros (2070) – Katelin,Mikhail (2170), Ambelokipi op, 2001.

9.Nbd2 Bd7 10.Bd3 Rc8 11.0-0 Qe7 12.Ne5 Bc7 13.Nd7 Qd7 14.Rc1 Rfd8 15.f4 Ne7 16.c5 Nf5 17.Qe2 Bb8 18.g4+= Ne7 19.Kh1 Qc6 20.g5 Ne8 21.Qh5 g6 22.Qe2 Ng7 23.Nf3 Nef5 24.Rb1 b6 25.Bb5 Qa8 26.Ba6 Nh5 27.Kg1+/– Rc7 28.Rfc1 bc5 29.dc5 Re7 30.c6 Bd6 31.Be5 Rc7 32.Bb7 Qb8 33.Rb3 Be5 34.Ne5 a5 35.Nd3 Qa7 36.Nc5+/– Nf4 37.ef4 Nd4 38.Qf2 Nb3 39.Nb3 d4 40.Rc4 Qb6 41.Rd4 Rd4 42.Qd4 Qb3 ½–½. Erlandsson,Harry – Kedzierski, corr 3GMM½–08, 2000.

9.Nbd2 Bd7 10.Bd3 h6 11.0-0 Rc8 12.Qe2 Ba5 13.e4 de4 (13...Bc7 14.Rac1+=) 14.Ne4+/- Ne4 15.Qe4 f5 16.Qe2 Bc7 17.Rfd1 Na5 18.Rab1 Re8 19.Ne5 (19.Bc3!?+/-) 19...Be5+= 20.Qe5 (20.de5 Qc7 21.Qe3=) 20...Nc6 (better 20...Nc4!? 21.Bc4 Rc4=) 21.Qg3+/- Qg5 22.Re1 (22.Qg5!? hg5 23.h3+/-) 22...Qg3+= 23.hg3 Na5 (23...b6 24.c5+=) 24.Rbc1 (better 24.Bc3!? Nc4 25.Rb7+/-) 24...Nb3 25.Rc2 Na5 (25...Rcd8 26.d5=) 26.Kf1 (26.Re5 b6+=) 26...a6 (26...Ba4 27.Rc3=) 27.Ke2 (27.Re5 b5 28.c5 Kf7+=) 27...Ba4 28.Rc3 (28.Rcc1 Bb3 29.c5 Nc6=) 28...Nc6 (28...e5!? 29.de5 Re5 30.Kd2 Rec5=+) 29.Ke3 Rcd8 30.Rcc1 Na5 (30...Re7 31.Be2=) 31.f3 (31.Bc3 Nc6+/-) 31...Nb3 32.Rcd1 (32.Rb1 b5+=) 32...Nd4 33.Bd4 Bd1 34.Rd1 e5 35.Bb6 Rd7 36.c5 Kh8 37.Rd2 (37.Rh1 f4 38.Ke2+- (38.gf4? ef4 39.Kf4 Rd3-+)) 37...f4? (37...e4!? 38.fe4 fe4+=) 38.Ke2 (better 38.gf4!? ef4 39.Kf4+-) 38...fg3+/- 39.Ke3 Rd4 (better 39...g5!?+/-) 40.c6! bc6 (better 40...Rd3 41.Rd3 bc6+-) 41.Bd4 ed4 42.Kd4 Rd8 43.Kc5 (better 43.Ke3+-) 43...Rb8? (43...h5+-) 44.Bg6 (44.Ba6 Rb3+-) 44...Kg8 45.Kc6 Kf8 (45...Rf8+-) 46.Rd7 1-0. jhonores (2230) - Supri_Solo (2035), Hourly SuperBlitz Arena, lichess.org, 2020.

9.Nbd2 Qe7 10.Bd3 Rd8 11.0-0+= Bd7 12.Ne5 Be8 13.f4 Rac8 14.Rc1 Nd7 15.Nc6 Rc6 16.c5+/– Nc5 17.dc5 Bc5 18.Rf3 Ba3+= 19.Rc6 Bc6 20.Bh7! Kh7 21.Rh3 Kg8 22.Bg7 (22.Bg7 f6 23.Bh6+–) 1–0. Alekhine – Drewitt, Portsmouth, 1923. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 Nc6 8.d4 Bb6)

9.Nbd2 h6 10.Bd3+= Bc7 11.Qc2 Re8 12.0-0 Bd7 13.Rfc1 Rc8 14.Qd1 Nh5 15.cd5 ed5 16.Nb3 Nf6 17.Nc5 Na5 18.Bc3+/– Bc6 19.Rcb1 Rb8 20.Bb5 Ne4 21.Ne4 de4 22.Ba5 Ba5 23.Bc6 bc6 24.Ne5 Rb1 25.Rb1 Bc7 ½–½. St_Jean,Benoit – Jelic,Milorad, internet, 2001.

9.Bd3 dc4 10.Bc4 Ba5 11.Bc3 =.

9.Bd3 dc4 10.Bc4 Bd7 11.Nbd2 Rc8 12.0-0 Qe7 (12...Bc7 13.Qb3=) 13.Rc1 Rfd8 14.Ba2 (14.Qb3 Na5 15.Qb4 Qb4 16.ab4 Nc4 17.Nc4 Bc7=) 14...h6 (14...Nd5 15.e4 Nf4 16.Bc4=) 15.Bb1 Bc7 (15...Nd5 16.Be4=) 16.Qb3 b5 17.Bd3 a6 18.Ne4 Ne4 19.Be4 Bd6 20.Rc3 Na5 21.Qa2 Bc6 22.Rfc1 Qd7 23.Bc6 Nc6 24.R3c2 Ne7 25.Rc8 Rc8 26.Rc8 Qc8 27.Qb3 Qc6 28.h3 Nf5 29.Qd3 Bc7 30.Kf1 Nd6 31.Ne5 Qe4 32.Qc3 Qb1 33.Ke2 Ne4 34.Qb3? Qg1 35.Nd3 Qg2 36.Qc2 Ng3 37.Kd2 Ba5 38.Kc1 Qh1 39.Qd1 Nf1 40.h4 Qc6 41.Kb1 Nd2 42.Ka1 Nc4 43.Qg1 Qe4 44.Nb4 Bb4 45.ab4 Qc2 46.Bc1 Qa4 47.Kb1 Qb4 48.Kc2 Qa4 49.Kc3 a5 50.f3 Qa2 0–1. SuperForte – REXChess, 1994.

9.Bd3 dc4 10.Bc4 Bd7 11.Nbd2 Rc8 12.Rc1 Nd5 13.Qe2 (13.0-0 f5=) 13...Na5 (13...Bc7 14.0-0=) 14.Bd3+= Rc1 15.Bc1 f5 16.Bb2 Be8 17.0-0 Bh5 18.Rc1 Bc7 19.Qe1 Nc6 20.Bb5 Be8 21.Nb3 Bd6 22.Bc6 (22.Qe2 Qb6=) 22...Bc6 23.Na5 Ne7 24.Nc6 Nc6 25.Qe2 (25.Qc3 Qd7=) 25...Qa5 (25...Qe7 26.Qd3=) 26.Nd2 Qd5 (26...Ba3? 27.Nc4 Qd5 28.Na3+–) 27.Nc4 Bc7 28.a4 a6 29.f4 Rb8 30.Ba3 b5 31.Nd2 Ba5 32.Nf3 Nb4 33.ab5 ab5 (34.Ne5 Qb3+=; 33...Qb5 34.Qb5 ab5 35.Bb4 Bb4 36.Kf2=) +=. Zmolil,Josef – Trokenheim,Marek, TT–12, 2004.

9.Bd3 dc4 10.Bc4 e5 11.de5 Qd1 12.Kd1 Ng4 13.Ke2 Be6 14.Be6+/– fe6 15.h3 Nh6 16.Nbd2 Na5 17.Ng5 Rfe8 18.Bc3 Rac8 19.Rac1 Nc4 20.Bb4 Ne5 21.Rc8 Rc8 22.Ne6 Nf5 23.g4+– Nh4 24.f4 Nc6 25.Bc5 Bc5 26.Nc5 b6 27.Nd3 Ng6 28.Rc1 Nge7 29.Nc4 Rd8 30.Nce5 Ne5 31.Ne5 Rc8 32.Rc8 Nc8 33.Kd3 Nd6 34.a4 b5 35.ab5 Nb5 36.Kc4 Nd6 37.Kd5 Nb5 38.Kc5 Nc3 39.h4 a5 40.Nc4 a4 41.Kb4 Ne4 42.Ka4 Kf7 43.Ne5 Ke6 44.Kb3 h5 45.g5 Kf5 46.Kc2 Nf2 47.Kd2 Ng4 48.Ng4 Kg4 49.Ke2 Kh4 50.Kf3 Kh3 1–0. ManchesterChess – Old Beal, ChessWorld.net, 2009.

10.Rc1 =.

10.Qc2 Bd7 11.Bd3 dc4 12.Qc4 Rc8 13.Qa2 Ne7 14.0-0 Bc6 15.Rac1 Bd2 16.Nd2 Qa5 17.Rfd1 Qg5 18.e4 Ng6 19.Qb1 ½–½. Hobert,Sebastian – Ertel,Jens, 2005.

10.Qc2 Ne4 11.Bd3 Bd2 12.Nd2 Nd2 13.Qd2 (worse is 13.Bh7 Kh8 14.Kd2 f5–+) 13...Na5 14.Qc2 Nc4 15.Bh7 Kh8 16.Bd3 b5 17.0-0 Bb7 18.Qe2 Do you see the mate threat? 18...Kg8 19.Bc3 a5 20.Rfb1 Bc6 21.Qg4 Qd6 Exerts pressure on the isolated pawn 22.e4 (22.Rb3 Rac8+=) 22...Na3= 23.e5 Qe7 (23...Nb1 24.Qh3 (24.ed6?! Nc3 25.Qh3 Ne4=) 24...f5 25.Bf5 ef5 26.ed6 Nc3 27.Qc3+/–) 24.Qh5 Threatening mate: Qh7 24...f5 25.ef6 Rf6 (25...gf6? 26.Ra3 b4 27.Qg4 Kh8 28.Qh3 Kg8 29.Bb5+–) 26.Re1 Rh6 27.Qe5 Nc4 28.Bc4 bc4 29.Ba5 Rg6 30.Bd2 ½–½. Woelfelschneider,Peter – Eckhardt, 2009.

10.Qc2 Ne4 11.Be2 f5 12.0-0 Rf6 13.Ne4 fe4 14.Ne5 Rh6 15.Ng4 Rg6 16.f3 h5 17.fe4 hg4 18.ed5 Rh6 19.g3 Qg5?? 20.dc6+– Qe3 21.Kg2 Bc7 22.Qd3 Qd3 23.Bd3 bc6 24.Rf2 Rf6 25.Raf1 Rb8 26.Be4 Ba6+= 27.Rc2 Rf1 28.Kf1+= Bc4 29.Rc4+– Rb2 30.Rc6 Bb6?? 31.Bg6 (31...Rb1 32.Bb1+–; 31.Re6?! Bd4 32.Bg6 Rf2 33.Ke1 Rf8+=) 1–0. Plater,Kazimierz – Sowinski,J, Wroclaw, 1955.

10.Bd3 b6 11.0-0 Bd2 (11...Ba6 12.Qe2=) 12.Nd2 (12.cd5 ed5 13.Qd2 Bb7+/-) 12...Ba6+= 13.Qa4 (13.Bc3 Rc8 14.Rc1 h6+=) 13...Na5= 14.Bc3 Bc4 15.Nc4 Nc4 16.Bc4 dc4 17.Qc4 Rc8 18.Qb3 Qd5 19.Qd5 Nd5 20.Bb4 Rfd8 21.Rac1 f5 22.h3 Kf7 23.g3 Ke8 24.Kg2 Kd7 25.Kf3 a5 26.Bd2 a4 (26...Nf6 27.Ke2=) 27.Ke2+= b5 28.Kd3 Rc1 29.Rc1 (worse 29.Bc1 b4=+) 29...Rc8 30.Rb1 Kc6 31.f3 Nb6 32.Bb4 Nc4 33.g4 Rd8 (33...fg4 34.hg4 e5 35.de5 Ne5 36.Ke2=) 34.gf5+= ef5 35.Rg1 g6 36.h4 Ne5 37.Ke2 Nc4 38.Kd3 Ne5 39.Ke2 Nc4 40.Kd3 ½-½. Yu,Jennifer (2310) - Khamrakulov,D (2500), PRO League Group Stage, 2019.

10.Bd3 dc4 11.Bc4 Qd6 12.0-0 =.

10.Bd3 Ne4 11.0-0+= Bd2 12.Nd2 f5 13.f3 (13.Rc1 Qf6+=) 13...Nf6 (13...Nd2 14.Qd2 Na5 15.Qc3+=) 14.Qb3 Kh8 15.Rac1 Na5 16.Qc3 dc4 17.Nc4 Nc4 18.Bc4 Nd5 19.Qb3 Qg5 20.Bd5 (20.Rf2 b5 21.Bd5 ed5 22.Qd5 Rb8+/–) 20...ed5+= 21.Rc7 b6 22.f4 Qd8 23.Rfc1 Ba6 24.R1c6 (24.Qa4 Bd3+=) 24...Bc4= 25.Qb4 Re8 26.Bc1 b5 27.Bd2 Qh4 28.Ra6 Qg4 29.h3 (< 29.Rca7 Qd1 30.Be1 Qd3–+; 29.Raa7 Qd1 30.Kf2 Bf1=) 29...Qd1 30.Kh2 Bf1 31.Bc1 Qe2 32.Qd2 Re3 33.Raa7+= Rg8 34.Kg1 Re6 35.Qe2+= Be2 36.Bb2 Bd3 37.Re7 Re7= 38.Re7 g5 39.fg5 Rg5 40.Bc1 ½–½. Buss,Michael – Eldridge, corr CCLA, 1990.

10.Bd3 Ne4 11.0-0+= Nd2 12.Nd2 Qg5 13.Qc2+=.

10.Bd3 Ne4 11.0-0 f5 12.Qc2 Bd7 13.Rfc1 (worse 13.Ne4 fe4 14.Be4 de4 15.Qe4 Bc7-/+) 13...Rc8 14.Qd1 (worse 14.Ne4 fe4 15.Be4 de4 16.Qe4 Bc7-/+) 14...Qf6 15.Nf1 g5 (15...Bc7 16.Rab1=) 16.Qb3 (16.Rab1 Qe7+=) 16...g4= 17.Ne5 (worse 17.Qb7 gf3 18.cd5 Qg7-+) 17...Ne5 18.de5 Qf7 (18...Qh4!? 19.Be4 fe4+=) 19.cd5+= ed5 20.Qb7 Bb6 (20...Rb8 21.Qa7 Nf2 22.Kf2 Rb2 23.Rc2=+) 21.Bd4+/- f4 (21...Nc5 22.Bc5 Bc5 23.Nd2+/-) 22.Be4+- de4 23.Qe4 f3 24.Rc8 Rc8 25.gf3 gf3 26.e6 (better 26.Qh4!?+-) 26...Be6+= 27.Ng3 Bd5?? (27...Bd4 28.ed4 Re8 29.Re1+/-) 28.Qe5 (better 28.Qg4 Kf8 29.Qc8 Qe8 30.Bc5 Bc5 31.Qc5 Qe7 32.Qd5+-) 28...Bd4+/- 29.ed4 Re8 30.Qg5 Qg7?? (30...Kh8 31.Kh1+/-) 31.Qg7 (better 31.Qd5 Kh8 32.Qf3 Qd4 33.Rb1+-) 31...Kg7+/- 32.Nf5 Kf6 33.Nd6 (33.Ne3 Ke6 34.h3+/- (worse 34.Nd5 Kd5 35.h4 Rg8 36.Kh2 Rg2 37.Kh3 a5=+)) 33...Rg8= 34.Kf1?? (34.Kh1!?=) 34...Rg4 (better 34...Ke6 35.Rb1 Kd6-+) 35.Rc1 Rd4 36.Nb5?? (36.Ne8 Ke7 37.Ng7 Rd3-/+) 36...Rd3 (better 36...Bc4 37.Kg1 Bb5-+) 37.a4 Rd2 38.Ke1 Ra2?? (38...Re2 39.Kf1-/+) 39.Nc7?? (better 39.Nc3+-) 39...Bf7 (39...Be4 40.Rc4 Ke5 41.Rc5 Kd6 42.Rc4-+) 40.Rc6 (40.Rc3 Bh5 41.Rc4 Kf5=+) 40...Kg7 (better 40...Kg5-/+) 41.Ra6?? (41.Rc3 Ra4 42.Rf3 a5=+) 41...Rc2 (41...Re2 42.Kd1 Bb3 43.Kc1 Rc2 44.Kb1 Rc7 45.Kb2-+) 42.Kd1?? (better 42.Ne6 Be6 43.Re6=) 42...Rf2 (better 42...Rc7!? 43.Kd2-+) 43.Ra7 Rh2 44.Ke1 (44.Ne6 Kf6 45.Rf7 Kf7 46.Ng5 Kf6 47.Nf3-+) 44...f2 45.Kf1 Bc4 0-1. jhonores (2225) - Shrill12 (2105), Yearly SuperBlitz Arena, lichess.org, 2020.

10.Bd3 e5 11.de5 dc4 A) 12.ef6? Qd3 (worse 12...cd3 13.fg7 Re8 14.0-0+/-) 13.Qe2 Qe2 14.Ke2 c3-+; B) 12.Bc4=.

10.Be2 dc4 11.Bc4 e5 12.0-0 e4 13.Ng5 Bd2 14.Nf7 (14.Qd2 h6 15.Nf7 Rf7 16.Bf7 Kf7+=) 14...Rf7 15.Bf7 Kf7 16.Qd2 Be6 17.f3 Kg8 18.fe4 Ne4 19.Qc2 Bd5 20.Rf4 Qe7 21.Raf1 Rc8 22.Bc1 Qe6 23.Rh4? (23.Qd1 Ne7 24.Qh5 g6–+) 23...h6 (23...Nd4 24.Qd1 Nc3 25.Qh5 Nce2 26.Kh1–+) 24.Rhf4 a6 25.R1f3?? b5 26.Rf1 ½–½. Partikas,Valentinas A (2325) – Somborski,Nebojsa (2465), corr ICCF W–24ch sf12, 2000.

10.Rc1 Bd6 =.

10.Qc2 Bd7 11.Bd3 dc4 12.Nc4 Rc8 13.Qd1 b5 14.Ncd2 a6 15.0-0 Qe7 16.Qb1 h6 17.Rc1 Rfe8 18.Be2 e5 19.de5 Ne5 20.a4 Nf3 21.Nf3 Bd6 22.Rc8 Rc8 23.ab5 ab5 24.Ra7+= b4 25.Bb5 Qe6= 26.Bd7 Nd7 27.Nd4 Qe8 28.Nf5+= Bf8 29.Qd1 Rd8 30.Qg4 g6 31.Ng3 Ne5 32.Qe2 Qe6 33.Ra6 Qc4–/+ 34.Bd4 b3 35.Rb6=+ Nd3 36.Ne4 Qc2 37.Nf6 Kh8 38.Qf1 Nc1 39.Nd5 Bg7–/+ 40.Nb4 Ne2 41.Kh1 Qc4 42.Qe1 Nd4 43.Qb1 Nb5 44.h3 Qb4 45.Qf1 Rd5 46.Qb1 b2 47.Kh2 Be5 48.g3 Qd2 49.Kg2 Qc1 50.Qb2 Qb2 51.Rb7 Bg3! 52.Rf7 Bf2! 53.Rf8 Kg7 54.Rf2 Rg5 55.Kf1 Qb1 56.Ke2 Qc2 57.Kf3 Rf5 58.Kg2 Qf2 59.Kh1 Rf3 60.e4 Rh3# 0–1. Aegis – Deveraux (2730), ICC, 2001.

10.Bd3 dc4 11.Nc4 b5 12.Nce5 Ba5 13.Kf1 Qb6 14.Qc2 Bb7 15.Qc5 Qc5 16.dc5+= a6 17.Ke2 Rfd8 18.Rhd1 Rac8 19.a4 Bb4 20.ab5+= ab5 21.Bb5 Ne5 22.Ne5 Bc5 23.Rd8 Rd8 24.Bc6 Bc6 25.Nc6 Rc8 26.Bf6 gf6 27.Ra6 Kf8 28.Kd3 Ke8 29.g3 Kd7 30.Nd4 h6 31.g4 Bd4 32.ed4 Rb8 33.Ra7+/– Ke8 34.f3 Rb2 35.h4 Rh2 36.h5 f5 37.gf5 Rh5+= 38.fe6 fe6 39.Ke4 Kf8 40.Rh7 Ke8 41.f4 ½–½. Conde,Jose A – Bonetti,Shane, TT–06 TSC, 2003.

10.Bd3 Bd7 +=.

10.cd5 ed5 11.Bd3 =.

10.cd5 Nd5 11.Bd3 Bd7 12.0-0+= Qe7 13.Rc1 Rac8 14.Ne4+= Be8 15.Bc2 f5= 16.Ned2 Bh5 17.Ba4 Rfd8 18.e4? fe4–+ 19.Ne4 Bf4 20.Rc5 Ne5 21.de5=+ Rc5 22.Nc5 Qc5 23.Qd4 Qd4 24.Nd4= Kf7 25.Re1 Bd2 26.Rb1 Bg6 27.Rd1= Bc3 28.Ne6 Ke6 29.Bc3 Nc3 30.Rd8 Na4 31.f4 Nc3 32.g3 Be4 33.Re8 Kf7 34.Rc8 Nd5 35.Rc1 Ke6 36.h4 h6 37.Kf2 h5 38.Re1 Bd3 39.a4 Bc2 40.Ra1 Nb4 41.Ke3= Nd5 42.Kd2 Be4 43.Rc1 Kf5 44.Re1 b6 45.Kc1 Nc7 46.Kb2 Ne6 47.Re3 Bc6 48.Ka3 Kg4 49.a5 ba5–/+ 50.Rc3? Bb5–+ 51.Re3 Nd4 52.Kb2 Nf5 (52...Nf5 53.Re1 Kg3–+) 0–1. Bonetti,Shane – khadem (2220), ICC, 2002.

9.Qc2 Bd7 10.Nc3 Rc8 11.cd5 Nd5 12.Bd3 h6 13.0-0+= Nb6 14.Qe2 Bf6 15.Rab1 Qe7 16.Ne4+/– Nd5 17.Qd2 Rfd8 18.Nf6 Nf6 19.e4 Be8 20.Rfc1 Rc7 21.Re1 Rcc8? 22.d5!+– Nb8 23.Bf6 Qf6 24.e5 Qe7 25.d6 Qd7 26.Rb4 f6 27.ef6 Qd6 28.Rg4 (28.Rg4 Bg6 29.Rg6+– (29.Bg6?! Qd2 30.Nd2 Rd2+/–)) 1–0. pcmvr (2785) – eik (2485), net–chess.com, 2007.

9.Nc3 Qa5 =+.

9.Nc3 Na5 10.cd5 ed5 11.Bd3 Nc4 12.Bc4 dc4 13.0-0 b5 14.d5 Qb6 15.e4 Nd7 16.Bc1 Bc5 17.Bf4 White intends e5 17...Re8 18.Bg3 a6 19.Re1 White prepares e5 19...Qg6 20.e5 Bb7 21.Ne4 Be7 22.Qd4 h6 23.a4 Qb6 24.Rab1 Qd4 25.Nd4 Bd5 26.Nc3 Bb7 ½–½. Buczinski,Henryk (2200) – Razumikhin,Andrey Mikhailovich (2250), DJ–CT18/pr37, 2011.

9.Nc3 Na5 10.cd5 ed5 11.Bd3 Bg4 12.h3 Be6 13.0-0 Rc8 14.Ne5 Nc4 15.Bc4 dc4 The passed pawn on d4 quickly leads to threats 16.e4 Re8 17.Nf3 Nh5 18.Rb1 Nf4 (18...b6 19.d5 Bd7 20.Ne5=) 19.Bc1 Nd3 20.Rb7 Qa5 21.Bd2 (21.Qc2 Qa6 22.Rb1 Bd7+= (worse is 22...Ba3 23.Ra1 Nc1 24.Rfc1+/–)) 21...Qa6 22.Qb1 Rcd8 (worse is 22...Qa3 23.d5 Bh3 24.gh3+/–) 23.Rc7 Rd7 (worse is 23...Qa3 24.d5 Rb8 25.Qa1+/–) 24.Rd7 Bd7 25.Ne1 Ne1 26.Re1 Bf8 27.Qb2 Qd6 28.Nd5 Bc6 29.Ne3 Re4= 30.Bc3 Qg6 31.d5 Bd7 32.Qb7 Bh3 33.d6 Bg2 34.Ng2+= White threatens strongly d7 34...Re1 35.Be1 Qd6 36.Qa7 h5 37.a4 (37.a4 Qe5 38.Qa6+/–) 1–0. Woelfelschneider,Peter – Leistner, 2009.

9.Nc3 Na5 10.cd5 ed5 11.Bd3 Bg4 12.h3 Bh5 13.Qa4 Bf3 14.gf3 Rc8 15.e4 Nc4 16.Bc4 Rc4 17.Qb3 b5 18.e5 Nh5 19.Ne2 (19.Qb5 Nf4 20.Rd1 Qb8–/+) 19...Qd7 20.f4 Rfc8 21.Qf3 g6 22.f5 Qf5 23.Qf5 gf5 24.Rg1 Kf8 25.Kd1 f6 26.Rc1 Rc1 27.Bc1 fe5 28.de5 Rc4 29.Bb2 Rh4 30.Nd4 (better is 30.Rh1!?–/+) 30...Rh3–+ 31.Nf5 Bc5 (31...Ba3!? 32.Ba3 Ra3 33.Rg4–+) 32.Rg4 Bf2 33.e6 Rh1 34.Ke2 Bc5 35.Bg7 Ng7 36.Rg7 Rh2 (36...Ba3?? 37.Ra7 Rh2 38.Kd3 Rh3 39.Kd4 Bb2 40.Kd5 Rd3 41.Ke4+–) 37.Kd3 Rh5 (37...Ba3?? 38.Ra7 Rh3 39.Kd4 Bb2 40.Kd5 Rd3 41.Ke4+–) 38.Rf7 Kg8 39.Ne7 Kh8 40.Nc6 Rh3 (40...Ba3?! 41.Na7 Re5 42.Nb5+=) 41.Kc2 Kg8 42.Na7 Ra3 (42...Ba7 43.Ra7 Kf8 44.Kb2+=) 43.Nb5+= Re3 44.Rc7 Bf8 (worse is 44...Re6 45.Rc5 Re5 46.Kd3+=) 45.Rd7 Re6 46.Rd5 Be7 47.Nd4 Ra6 48.Rd7 Bf6 ½–½. grandma (2000) – learsshadow (2050), gameknot.com, 2007.

9.Nc3 Na5 10.cd5 ed5 11.Ne5 Bf5 12.Bd3 Bd3 13.Qd3 Rc8 14.0-0 a6 15.e4 b5 16.Rfe1 Nc4 17.Nc4 bc4 18.Qe2 de4 19.Ne4 Qd7 (19...Ne4 20.Qe4 Bd6 21.Bc3=+) 20.Nd2 The isolani on c4 becomes a target (20.Nc5 Bc5 21.dc5 Rc5 22.Bf6 gf6=) 20...Rfe8 21.Qf3 Nd5 22.Bc3 Qc6 23.Re5 (23.Re2 Bd6 24.Re8 Re8=+) 23...Red8 24.Ree1 Rd6 25.Ne4 Re6 26.Bd2 c3 (26...Qb6 27.Nc3 Nc3 28.Bc3 Re1 29.Re1 Ba3 30.Qg4=+) 27.Rec1= Ba3 28.Ra3 Re4 29.Be3 (29.Bc3?? Nc3 30.Rf1 Ne2 31.Kh1 Nd4-+) 29...Rce8 (worse 29...Ne3 30.fe3 Qe8 31.Rac3 Rc3 32.Rc3 Rd4 33.Qc6 Rd1 34.Kf2 Rd2 35.Kg1-/+) 30.Ra5 Qd7 (30...Qc4 31.Rb1 h6 32.Re1-+) 31.Rc5 (31.Ra6 Ne3 32.fe3 Re3-+) 31...Ne3 (31...Re3?! 32.fe3 Ne3 33.R5c3 Qd4 34.Kh1=) 32.fe3 Re3 (32...Re3 33.Qd5 Qe7-+) 0-1. PilgrimFather (2500) – Dlanor, ChessWorld.net, 2010.

9.Nc3 a6 10.Qc2 dc4 11.Bc4 b5 12.Bd3 g6 (12...Bb7!?=) 13.Nb5+= ab5 14.Qc6 Bd7 15.Qc2 Nd5 (15...Qa5!? 16.Kf1 Rfc8+=) 16.0-0+/– Qb6 17.Ne5 Bc8 (17...Be8 18.Rfc1+/–) 18.Rfc1 Ba6? (better is 18...f6 19.Nc6 Bd6+–) 19.Nd7 Qd6 20.Nf8 Rf8 21.Qc6 Qc6 22.Rc6 Ra8 23.Be4 (23.e4 Nf4 24.Bf1 Kf8+–) 23...Kf8 24.Bd5 ed5 25.a4 (25.a4 b4 26.Rb6+–) 1–0. Yannick – Hal1958, playchess.de, 2005.

9.Nc3 Qb6 10.Na4 Qa5 11.Bc3 Qc7 12.Qd3 Rd8 13.c5 e5 14.de5 Ne4 15.Be2 Bf5 16.Nd4 (16.Qb5 Nc3 17.Nc3 d4 18.ed4 Nd4 19.Nd4 Rd4+=) 16...Ne5 (16...Nf2 17.Qf5 Nh1 18.Kd2 Nd4 19.Bd4 Qa5 20.Nc3 Bc5 21.Rh1=) 17.Qc2 Bg6 18.Nb5 Qc6 19.Be5 Nf2! 20.Qb3 (20.Kf2 Bc2 Discovered attack) 20...Nh1 21.Nd4 (better is 21.Nc7!? Be4 22.Na8 Ra8 23.Bf3–+) 21...Qd7 22.Bf3 (22.Bf4 Bf6–+) 22...Bg5 23.0-0-0 (23.Nb5 Re8 24.Bd4 Be3 25.Kf1–+) 23...Nf2 24.Rd2 Nd3! 25.Rd3 Bd3 26.c6 (26.Qd3 Qa4 27.Nf5 Rac8–+) 26...Be3 (26...Qe7 27.Qd3 Qe5 28.cb7 Be3 29.Kb1 Bd4 30.ba8R Ra8 31.Ka2–+) 27.Kd1 Qe8 28.Bg7 (28.cb7 Qe5 29.ba8R Ra8 30.Qd3 Bd4–+ (worse is 30...Qd4 31.Qd4 Bd4 32.Bd5–+)) 28...Bg6 (worse is 28...Kg7 29.Qd3 Bf4 30.g3–+; 28...bc6?! 29.Qd3 Kg7 30.Nf5 Kh8 31.Ne3–+) 29.Qc3 (29.cb7 Rab8 30.Bf6 Bf2–+) 29...bc6 30.Nc5 (30.Bf6 Rab8 31.Nc6–+) 30...Rab8 31.Ncb3 c5 32.Nc6 Qc6 33.Be5 (33.Qe3 Qa4 34.Qh6 Re8 35.Qg6 fg6–+) 33...Qa6 (better is 33...Qa4 34.Bb8 d4 35.Qb2 Rb8 36.Bd5–+) 34.Bb8 Bd4 (34...Bd4 35.Nd4 Rb8–+) 0–1. Williams,Barry M – Whaley,Michael G, NZCCA HT corr New Zealand, 2001.

9.Nc3 dc4 10.Bc4 a6 11.0-0 b5 12.Bd3 Bb7 13.Ne4 Ne4 14.Be4 Na5 15.Bb7 Nb7 16.Qd2 Qd5 17.Rfc1 Rac8 18.Rc8 Rc8 19.Rc1 Rc1 20.Qc1 Qd7 (20...Nd6 21.Ne5=) 21.Ne5 Qe8 22.Qc7 Nd8 23.Qb6 (23.Qa7!?+=) 23...f6= 24.Nd3 Qc6 25.Qc6 Nc6 26.f3 Kf7 27.Kf2 Na5 28.Bc3 Nc6 (28...Nc4!? 29.Nb4 a5–/+) 29.Nb4= Bb4 30.Bb4 a5 31.Bc3 Ke8 32.Ke2 Kd7 33.Kd2 Kd6 34.e4 f5 35.h4 g6 36.g4 h5 37.gf5 gf5 38.Ke3 b4 39.ab4 ab4 40.Bb2 Ke7 41.Kf4 Kf6 0–1. Fournier,Frederic (1890) – Andimaza (1990), Active (3/5), 2005.

9.c5 Ne4 10.Bd3 b6 11.cb6 Qb6 12.Bc1 Qa5 13.Nbd2? (better is 13.Bd2 Nd2 14.Nbd2=) 13...Qc3–+ 14.Qc2 Qa1 15.Qc6? (15.0-0 Nd2 16.Bh7 Kh8 17.Nd2 Nd4 18.ed4 Qd4 19.Bd3–+) 15...Nc5! (15...Ba3?! 16.0-0 Bc1 17.Ne4–/+) 16.Bb1 (16.dc5 Qc1 Double attack (16...Qc3 Decoy; 16...Qc1 Interception)) 16…Bd7 (16...Bd7 17.Qa8 Ra8 18.dc5 Rb8–+) 0–1. combijack (1795) – startripper (1970), gameknot.com, 2012.

9.Nbd2 a6 10.Bd3 dc4 11.Nc4 b5 12.Ncd2 Bb7 13.0-0 Na5 14.Qe2 Rc8 (14...Qd6 15.Rfc1=) 15.e4 Qd7 16.e5 (16.Rfb1!?=) 16...Nd5=+ 17.Qe4 g6 18.Qg4 Nc4 19.Bc1 f5 20.ef6 Nf6 (20...Rf6 21.Bc4 bc4 22.Ne5+/-) 21.Qh3 Qd5 (better 21...Nd2 22.Bd2 Bf3 23.Qf3 Qd4-/+) 22.Re1+= The isolani on e6 becomes a target 22...Rc6 23.Ne4 Qf5? (better 23...Rb6!?+=) 24.Nf6+/- Qf6 25.Bg5 (25.Be4 Rc7 26.Bb7 Rb7 27.Re6 Qf7+-) 25...Qf7 26.Be7 (26.Bh6!? Rfc8 27.Be4+/-) 26...Qe7+= 27.d5 (27.Be4 Rd6+=) 27...Rd6= 28.Bc4 bc4 29.Re6 Re6 30.de6 Rc8 (30...Bf3 31.gf3 Re8 32.Re1 Qa3 33.Qh4=+) 31.Rc1 (better 31.Nd4!?+=) 31...Qa3=+ 32.Re1 Qe7 (32...Re8 33.Qh4=+) 33.Ne5 (33.Nd4 c3=) 33...c3=+ 34.Ng4 (34.Nd3 c2 35.Qe3 Bd5=+) 34...c2-/+ 35.Nh6? (better 35.Qe3!? Rc4 36.f3-/+) 35...Kg7-+ 36.Qe3 a5?? (better 36...Qc5 37.Qc1 Qb4 38.Nf5 Kf6-/+ (38...gf5?! 39.Qg5 Kh8 40.Qf6 Kg8 41.Qf7 Kh8 42.Qf6 Kg8 43.Qf7 Kh8 44.Qf6=)) 37.Qe5?? (better 37.Ng4 Kh8 38.Qe5 Qg7 39.Qg5=) 37...Kh6-+ 38.Qe3 Kg7 (38...Qg5 39.Rc1-+) 39.Qe5 (39.Qc1 Be4! 40.Qa1 Qf6-+) 39...Kg8 (better 39...Qf6 40.Qe3 Qc3-+) 40.Qb2 (40.Qe3 Bd5 41.Rc1 Qe6-+) 40...Qe6! 41.Rc1 (41.Re6 c1Q Mate attack) 41...Qe4 42.f3 Qe3 43.Kh1 Qd2 44.h4 (44.h3 Re8 45.Qb3 Bd5 46.Qc2 Re1 47.Re1 Qc2-+) 44...Bd5 (44...Rc4 45.Kh2 Bf3 46.Qb8 Kg7 47.Rc2 Rc2 48.Qe5 Kf7 49.Qf4 Qf4 50.Kg1 Rg2 51.Kf1 Qc1) 45.h5 (45.Kg1 Rc4 46.h5 Qe3 47.Kh2 Bf3-+) 45...gh5 (45...Rc4 46.Qb8 Kf7 47.Kh2 Qc1 48.hg6 hg6 49.Qa7 Ke6 50.Qb6 Bc6 51.Qc6 Rc6 52.Kh3 Qh6 53.Kg3 c1Q 54.Kf2 Rc2 55.Kg3 Qcf4) 46.Kh2 Qf4 47.Kg1 Qe3 48.Kh2 a4 (48...a4 49.Rc2 Rc2 50.Qc2 Qe5 51.f4 Qf4 52.g3 Qf3 53.Qc8 Qf8-+) 0-1. jhonores (2205) - Dobladosonhijosmios (2235), Rated Blitz game, lichess.org, 2020.

9.Nbd2 a6 10.Bd3 dc4 11.Nc4 b5 12.Ncd2 Bb7 13.0-0 Rc8 14.Qe2 Na5 15.e4 Qb6 16.e5 (16.Rfc1 Rfd8=) 16...Nd5=+ 17.Qe4 g6 18.Qg4 Nc4 19.Bc1 Nd2 (19...f5 20.Qg3=+) 20.Bd2= Rfd8 21.h4 (21.Rfc1 Rc1 22.Bc1 Qa5=) 21...Nc3=+ 22.Bg5? (better 22.Be3=+) 22...Bf3-+ 23.Qf3 (23.gf3 Bg5 24.hg5 Rd4-+) 23...Bg5 24.hg5 Qd4 (24...Rd4?! 25.Rfc1 Qc5 26.Qe3-+) 25.Bc2 Qe5 26.Rfe1 Qg5 27.a4 (27.Be4 Ne4 28.Re4 Qd5-+) 27...Nd5 28.Be4 (28.Bb1 Rc3 29.Qe4 Rc1-+) 28...Rc3 29.Qe2 Nf4 30.Qb2 Rh3 (30...Rc4 31.Qb1-+) 31.Red1 (31.Rac1 Rh4 (worse 31...ba4 32.g3-+) 32.g3 Nh3 (worse 32...ba4 33.Rc4-+) 33.Kg2 Nf2 34.Qf2 Re4-+) 31...Rd1 32.Rd1 f6 (better 32...Rh1! 33.Kh1 Qh5 34.Kg1 Qd1 35.Kh2 Qa4 36.Qe5-+) 33.Rd7?? (better 33.Rd8 Kg7 34.g3-+) 33...Rc3!-+ 34.Kf1 (34.Qc3 Ne2 Double attack (34...Ne2 Decoy)) 34...Rc8 (better 34...Qc5!? 35.Bf3 Nd3 36.Rd8 Kf7 37.Rd7 Ke8 38.Rd3 Rd3 39.Kg1 Rf3 40.gf3-+) 35.Qd2 (35.g3 Qe5 36.Qb1 Rc4-+) 35...Qh4 (better 35...Qe5 36.Bf3 ba4-+) 36.g3 Qh3 37.Ke1 Ng2 (better 37...Nd5!? 38.Bd5 ed5 39.Qd5 Kh8 40.Rd8 Rd8 41.Qd8 Kg7 42.Qc7 Kf8 43.Qc5 Kg8 44.Qd5 Kg7 45.ab5 ab5 46.Qb7 Kf8 47.Qb5 Qe6 48.Kf1 h5-/+) 38.Bg2= Qg2 39.Rb7?? (better 39.Rd8 Rd8 40.Qd8 Kg7 41.Qc7 Kh6 42.Qf4 g5 43.Qf6 Kh5 44.Qf7 Kg4 45.Qe6 Kh5 46.Qe8 Kh6 47.ab5 Qh1 48.Ke2 ab5 49.Qe6 Kg7 50.Qe5 Kg6 51.Qe6 Kg7 52.Qd7 Kf6 53.Qd6 Kf5 54.Qc5 Ke6 55.Qg5 Qe4 56.Qe3=) 39...Qh1 (39...Qb7 40.Ke2 Qe4 41.Kf1-+) 40.Ke2 Qb7 41.Qd6 (41.Qe3-+) 41...Qe4 42.Kd2 (42.Kd1 Qf3 43.Kd2 Qf2 44.Kd1 Qf1 45.Kd2 Qc1 46.Ke2 Rc2 47.Kf3 Qf1 48.Ke3 Qe2 49.Kd4 Rc4) 42...Rc2 43.Kd1 Qe2 0-1. jhonores (2210) - lightinghamad (2265), Rated Blitz game, lichess.org, 2020.

9.Nbd2 a6 10.Ne5 Ne4 11.Nc6 bc6 12.Ne4 de4 13.Bc3 c5 14.dc5 Bd7 15.Ra2 Bc6 16.Rd2 Qc7 17.Qg4 e5 18.Qf5 f6 19.Be2 Bc5 20.Bb4 Bb4 21.ab4 Rfb8 22.Qe6 Kh8 23.Rd6 Rb6?? (23...Rb4 24.0-0 (< 24.Rc6 Rb1 25.Bd1 Qa5 26.Ke2 Rd8–/+) 24...Be8 25.Ra6=) 24.c5 Rb4 25.0-0 (25.Rc6?? Rb1 26.Kd2 Qd8 27.Kc2 Rh1–+) 25...Ba4 (25...Bb5!? 26.Bb5 Rb5=) 26.Qd5+= Rc8 27.Ba6 Bb3 28.Qd2 Rcb8 29.Rc1 Ba4 30.h3 h6 31.Qd5 Be8 32.Kh2 Kh7 33.Bc4 Ba4 (33...Bg6!?+/–) 34.c6+– Ra8 35.Ba2 (35.Qe4 Kh8 36.Qd5 e4+/–) 35...Bb5? (Better is 35...Qe7+–) 36.Rd7 (36...Qc8 37.Qf7+–; Better is 36.Rb1!? Rb1 37.Qe4 f5 38.Qf5 Kh8 39.Bb1 e4+–) 1–0. SkyNet – marekt, ChessWorld.net, 2003.

9.Nbd2 Qb6 10.Rb1 =.

9.Nbd2 Rb8 10.Rc1 Qa5 11.Bd3 dc4 12.Rc4 Bd7 13.0-0 Qh5 14.Rc2 Rfc8 15.Qe2 Nd8 16.Rfc1+= Rc2 17.Rc2 Ba4 18.Rc1 Nd5 19.Nf1 Bc6 20.Ng3 Qh6 21.Ne5 Bf8 22.Qf3 Bd6 23.Ne4 Bc7 24.g4 f6 25.g5 fg5 26.Qg3 Nf7 27.Nf7 Kf7 28.Ng5 Ke7 29.f4 ½–½. Woelfelschneider,Peter (1700) – Poschmann,Hans (1700), TT–01 TSC, 2002.

9.Nbd2 Rb8 10.Bd3 dc4 11.Nc4 b5 12.Nce5 Bb7 13.0-0 a6 14.Qe2 Ne5 15.Ne5 Qd5 16.f3 Nd7 17.Rfc1 Ne5 18.de5 Rfc8 19.Bd4 Rc1 20.Rc1 Ba3 21.Bh7 Kh7 22.Qd3 Kg8 23.Qa3 Qd8 24.Qd6 Rc8 25.Rc5 Kh7 26.Rc8 (26.e4 Qa5 27.Bc3 Qa3 28.Rc8 Qc1 29.Kf2 Qc2 30.Kg3 Bc8=) ½–½. Conde,Jose A – Woelfelschneider,Peter, TT–07 TSC, 2003.

9.Nbd2 dc4 10.Bc4 Nd5 11.0-0 a6 12.Qe2 (12.Bd3 Bd7+=) 12...b5= 13.Bd3 Bb7 14.Rac1 Bf6 (14...b4 15.Nc4=) 15.Ne4+= Qe7 16.Nc5 Rac8 (16...Rfc8 17.Qd2+=) 17.Nb7 (17.a4 Na7+/-) 17...Qb7+= 18.g3 (18.Qd2 Rfd8+=) 18...Rfe8 19.e4 Nb6 20.e5 Be7 21.Qe4 g6 22.Rcd1 Na5 23.Qg4 (23.Qb7 Nb7 24.Be4 Na5=+) 23...Nac4 Attacks the isolani on a3 24.Bc1 Nd5 25.h4 (25.Be4 Na3 26.Ba3 Ba3-/+) 25...h5-/+ 26.Qe4 Nc3?? (better 26...Ba3 27.Bc4 Bc1 28.Bd5 ed5-/+) 27.Qb7+- Nd1 28.Rd1 Ba3 (28...Na3 29.Ng5 Rb8 30.Qa6+-) 29.Bc4 (29.Ba3!? Rb8 30.Qa7 Ra8+-) 29...Bc1 30.Rc1 bc4 31.Qa6 c3 32.Qd3 1-0. jhonores (2260) - luchex777 (2225), Rated Blitz game, lichess.org, 2020.

9.Nbd2 Bd6 10.Bd3 =+.

9.Nbd2 Bd7 10.Bd3 Na5 11.cd5 ed5 12.Ne5 =.

9.Nbd2 Bd7 10.Bd3 Rc8 11.0-0 Na5 12.Qe2 dc4 13.Nc4 Nc4 14.Bc4 Bc6 15.Ne5 Bd5 16.Rac1 Qa5 17.Bd3 Be4 (17...Ba3? 18.Ra1 Rc3 19.Qe1+– (19.Bc3?! Qc3 20.Rfb1 Ra8+/–)) 18.Be4 Ne4 19.Qd3 Nf6 20.Qb3 Qd5 21.Qd5 Nd5 22.Nd3 Nb6 23.Nc5 (23.Rc8 Rc8 (worse is 23...Nc8 24.Rc1+=) 24.Rc1 Nc4+=) 23...Rc7+= 24.Rc3 Nd5 25.Rb3 b6 26.Na6 (26.Nd3 f5=) 26...Rc4 27.e4 Nf4 28.Re1 Rc2 29.g3? (better is 29.Kf1+=) 29...Nh3–+ 30.Kg2 Nf2 31.Kf3 (31.Kg1 Rb2! 32.Rb2 Nd3–+) 31...Rb2! 32.Rb2 Nd3 33.Ree2 Nb2 34.Rb2 Rc8 (better is 34...Ba3!? 35.Rc2 Rd8–+) 35.Rb3–/+ Rc2 36.h4 Kf8 37.Nb4 Rc4 38.Ke3 Ke8 39.Kd3 Rc1 40.Nc2 Kd7 41.a4 f5 42.ef5 ef5 43.Kd2 (43.a5 Bd8–/+) 43...Rh1 44.a5 Bd8 45.ab6 Bb6 46.Ne3 f4 (46...Bd4 47.Rd3 Rh2 48.Ke1+/–) 47.Nc4 Bd4 (47...Rh2!? 48.Kc1 Kc6 49.Nb6 ab6–+) 48.Rd3–/+ fg3 49.Rd4 Ke6 50.Rg4 (50.Re4 Kf5 51.Nd6 Kf6 52.Ne8 Kg6 53.Rg4 Kh5 54.Rg7 Ra1 55.Rh7 Kg4 56.Rg7 Kh3+=) 50...g2 (50...h5 51.Rg3 Rh4 52.Kd3+=) 51.Rg2+= Rh4 52.Rg7 (better is 52.Kd3!?+=) 52...Rc4–/+ 53.Ra7 h5 54.Rh7 (54.Ke3 h4–/+) 54...h4 (54...Rh4 55.Ke3–+) 55.Ke2 Kf5 56.Kf2 (56.Kf3 Rc3 57.Kg2 Kg4–/+) 56...Kg4–+ 57.Rg7 (better is 57.Rf7–+) 57...Kh3 58.Kg1 Rc3 (better is 58...Rc1!? 59.Kf2–+) 59.Rh7 Rc1 60.Kf2 Ra1 61.Rh8 Ra4 62.Rg8? (better is 62.Kg1–+) 62...Kh2?? (better is 62...Ra2 63.Kg1 Ra1 64.Kf2 Kh2–+) 63.Rg2= Kh3 64.Rg8 Rf4 (better is 64...Ra2!? 65.Kg1 Ra1 66.Kf2 Kh2–+) 65.Kg1 Rf3 66.Rb8 Ra3 67.Rh8 Ra2 68.Rh7 Rg2 69.Kh1 Rg4 70.Rb7 Ra4 71.Rg7 Ra1 72.Rg1 Ra3 73.Rb1 Rg3 74.Rb8 Rf3 75.Kg1 Rf4 76.Rg8 ½–½. Ewin,Hans Peter (1920) – Waffenschmidt,Joachim (2100), Rhein Main op, 2008.

9.Nbd2 Bd7 10.Bd3 Rc8 11.0-0 Bd6 12.Ne5 Qc7 13.Nd7 Qd7 (13...Bh2? 14.Kh1 Qd7 15.cd5 Qd5 16.Kh2+–) 14.c5 Bb8 15.f4 b6 16.Nf3 bc5 17.dc5 Qe7 18.Rc1 e5 (18...Rfd8 19.Qc2+=) 19.Bf5 Rcd8 (19...Rce8!?+/–) 20.Qa4 e4 21.Qc6 ef3 22.Rf3 Ne4?? (22...Ne8+–) 23.Bh7 Kh7 (23...Kh8 24.Be4 d4 25.Bd4 f6+–) 24.Rh3 Kg8 (24...Qh4 25.Rh4 Kg8 26.Rh8 Kh8 27.Qh6 Kg8 28.Qg7) 25.Rh8!! Kh8 (25...Kh8 26.Qh6 Mate attack) 26.Qh6 Kg8 27.Qg7 1–0. Fournier,Frederic (2140) – Guig47 (2040), echecsemail.com Equipe, 2006.

9.Nbd2 Bd7 10.Bd3 h6 11.0-0+= Rc8 12.Qe2 a6 13.c5 Re8 14.Rfc1 Bf8 15.Rab1+/– e5 16.Ne5+– Ne5 17.de5 Ng4 18.Nf3 f6 19.Bg6 Re7 20.ef6 Nf6 21.Ne5 Ne4 22.Bf7 Rf7+/– 23.Nf7 Kf7 24.Qh5 Kg8?? 25.Qd5+– Kh8 26.Qe4 Qg5 27.h4 Qh5 28.Qb7 Qf5 29.Bd4 Bc6 30.Qa6 Be4 31.Rb6 Qg4 32.Rh6 Kg8 33.Qc4 (33...Bd5 34.Qd5 Qe6 35.Qe6#) 1–0. b4_player – opponent, gamecolony.com, 2008.

9.Nbd2 Ne4 10.Bd3 Nd2 11.Nd2 dc4 12.Nc4 Bd7 13.0-0+= Rc8 14.Rc1 b5 15.Nd2 b4 16.Nc4 a5 17.h3 ba3= 18.Ba3 Ba3 19.Na3 Nb4 20.Rc8 Qc8 21.Be2 Qc7 22.Qd2 Rb8 23.Rc1 Bc6 24.Rc5 Rd8 25.Qc1 Rd5 26.Bf3 Rc5 27.Qc5 Qc8 28.Nc4 Qf8 29.Qa5 Bf3 30.gf3 Nd5 31.Qa7 g6 32.Qd7 Nf6 33.Qb7 Nd5 34.Kg2 Qb4 35.Qb4 Nb4 36.Kg3 Kf8 37.f4 Ke7 38.Nb6 Kd6 39.Kf3 f6 40.Ke2 Kc6 41.Na4 Kd6 42.Nc3 f5 43.f3 Nc2 44.Kd2 Nb4 45.e4 Kc7 46.Na4+– Nc6 47.Kc3 Nd8 48.Nb2 Nf7+/– 49.Nc4 Kd7? 50.Ne5 Ne5 51.fe5 fe4 52.fe4 g5 53.d5 h5 54.Kd2 Ke7 55.d6 (55.d6 Kd7 56.Kd3+–; 55.Ke3 Kd7+–) 1–0. pierre – LurZa_boY, internet, 2008.

9.Nbd2 h6 10.Bd3 dc4 11.Bc4 a6 12.a4 Rb8 13.0-0 b5 14.ab5 ab5 15.Be2 Qd5 16.Qb1 Bd7 17.e4 Qh5 18.Qd1 Rfd8 19.Ne5 Qh4 20.g3 Qh3 21.Nd7 Rd7+/– 22.d5! Ne4 23.Bg4 Qf1 24.Nf1 Rd5 25.Qe1 Nc5 26.Bf3 Rd6 27.Bc6 Nd3? 28.Qe3 Nb2 29.Qa7 Rc8 30.Ra6 Bf6 31.Be8! Ra6 32.Bf7 Kh8 33.Qa6 Rb8 34.Ne3 Nd3 35.Be6 (35...Nc5 36.Qd6 Ne6 37.Qb8 Kh7 38.Nd5+–) 1–0. Taulien,Hans_Juergen (2225) – Hohlstein,Walter (1955), RSS5D pro–18, 2004.

9.Bd3 Na5 10.cd5 ed5 11.0-0 Be6 12.Nc3 a6 13.a4 Rc8 14.Ne5 g6 15.Ne2 Nh5 16.Bc3 f6 17.Nf3 Bd6 18.Rb1 Rf7 19.h3 Nc4 20.Nd2 Na3 21.Rb2 b5 22.ab5 ab5 23.Nb3 (23.Nb1 Nc4 24.Rb5 Qe8+=) 23...Rb8 24.Nc5 The isolani on b5 becomes a target 24...Qc8 25.Ra2 Nc4 26.Bb4 Bh3 27.Nc3 Bg4 28.Be2 Be2 29.Qe2 f5 30.Nd5 f4 31.Nf4 Bf4 32.ef4 Nf4 33.Qe4 Qd8 34.Re1 Qd5 35.f3 Rc8 36.Qd5 Nd5 37.Rb1 Rd8 38.Be1 Rb8 39.Raa1 Nf4 ½–½. Degterev,Pavel (2275) – Tasic,Vladimir (2580), WC–2011–S–00003, 2008.

9.Bd3 dc4 10.Bc4 a6 11.0-0 (11.Bd3 b5=) 11...b5 12.Bd3 Bb7 13.Nbd2 Rc8 14.Qe2 Qd7 15.Rfc1 Rc7 16.Rc2 Rfc8 17.Rac1 Bd6 18.e4 Bf4 19.e5 (19.Rc5 Qe7 20.R5c3 b4 21.ab4 Nb4=) 19...Nd5+= 20.Qe4 g6 (20...f5 21.ef6 gf6 22.Qe2+=) 21.g3= Bh6 22.Qh4 Kg7 23.Ne4 (better is 23.Be4!?=) 23...Bc1–/+ 24.Bc1 Qe7 25.Qh6 Kg8 26.Nfg5 f6–+ 27.ef6 Nf6 28.Bb2 Ne4 29.Ne4 Rf8 30.Nc5 Bc8 31.Be4 Na5 32.Bd3 e5! 33.Re2 Qf7 34.Ne4 Bg4 35.Rc2 Nc4 36.de5 Qf3 37.Rc3 Qd1 38.Bf1 Be2 39.Rc1 Qd3 40.Nf6 Rf6! 41.ef6 Bf1 42.Qf4 Rb7 43.Bd4 Kf7 44.Qh6 Ke6 45.Re1 Kd5 46.Qf8 Kd4 47.f7 Rf7 48.Qf7 Be2 49.Qf6 Ne5 50.f4 Qe3 51.Kg2 Qf3 52.Kg1 Qe3 ½–½. Roldan,Antonio Jose (1875) – Six,Stefaan (1920), IECC, 1998. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 Nc6 8.d4 Be7)

9.Bd3 dc4 10.Bc4 Bd7 11.Bd3 Qb6 12.Qe2 Rac8 13.Nc3 Nd5 14.Nd5 ed5 15.0-0 Na5 16.Ne5 Ba4 (16...Be6 17.Rac1=) 17.Rab1 Nb3 18.e4 (18.Rfd1 Rfd8+=) 18...f6 (18...Nd4 19.Qe3 Nb3 20.Qb6 ab6 21.ed5+=) 19.Ng4+= Rfe8 20.ed5 The passed pawn on d5 quickly leads to threats 20...g6 (20...Bd6 21.Ne3 g6+= (21...Nd4? 22.Qg4+–)) 21.Nh6 (21.Ba1 Bd8 (21...Ba3? 22.Qa2 Qd6 23.Nf6 Qf6 24.Qa3+–) 22.Qa2 Kh8+–) 21...Kh8 (21...Kg7!? 22.Ng4 Ba3=) 22.Qg4+= Bd6 (22...Bf8 23.Nf7 Kg8 24.d6 Bd6 25.Nh6 Kf8 26.d5+–) 23.Rbe1 (23.Bg6 hg6 24.Qg6 Rc7 25.Nf7 Rf7 26.Qf7 Rf8+/–) 23...Rc7 (23...Qc7!? 24.Qh4 Rf8+/–) 24.Re8+– Be8 25.Re1 (better is 25.Qe6 Kg7 26.Ng4+–) 25...Re7? (25...Bd7!? 26.Nf7 Kg8+/–) 26.Re6 (26.Re7!? Be7 27.Qc8 Bd8+–) 26...Re6 27.de6 Nd2 28.Bc1 Nb3 29.Be3 (29.Be3 Ba3 30.Nf7 Bf7 31.ef7+–) 1–0. Woelfelschneider,Peter – Eckhardt, 2009.

9.Bd3 Bd7 10.Nc3 dc4 11.Bc4 Rc8 (11...Qb6 12.Rb1=) 12.0-0 (12.Bd3 Qb6 13.Rb1 g6+=) 12...Na5 13.Bd3 Nc4 14.Bc4 Rc4 15.Ne5 Rc8 16.Qb3 (16.Rc1 Qb6 17.Qd2 Bc6=) 16...a6 17.Rac1 Bd6 18.Qb7+= Rb8 19.Qa6+/– Be5 20.de5 Nd5 21.Rb1 Rb2+= 22.Rb2 Nc3 23.Qd3 Bb5 24.Qc3+/– Bf1 25.Kf1 Qd1 26.Qe1 Qd3 27.Kg1 Qa3+= 28.Rc2 h6. Hjortstam,Kurt – Chatterjee, email 4AMM–F, 1998.

9.cd5 ed5 10.Bd3 Qb6 11.Nc3 =.

9.cd5 ed5 10.Bd3 Re8 11.Nc3 Bg4 12.0-0 Qd7 13.h3 Bf3 14.Qf3 Nd4?? (better is 14...g6+=) 15.ed4+– Rac8 (15...a6 16.Bc2+–) 16.Bf5 Qc6 17.Bc8 Rc8 18.Rfe1 Bd6 19.Rac1 Qb6 (19...Rd8+–) 20.Nd5 Rc1 21.Nf6 (21.Nf6 gf6 22.Qg4 Kh8 23.Rc1+–) 1–0. capablancaven (2265) – datan (1905), gameknot.com, 2014.

9.cd5 ed5 10.Bd3 Bg4 11.0-0 Qd7 (11...Qb6 12.Bc3=) 12.Nbd2 Bf5 13.Nb3 Rac8 (13...Bd3 14.Qd3 Rfc8 15.Rfc1=) 14.Rc1 Bd3 15.Qd3 Rfd8 16.Nc5 Bc5 17.Rc5 Ne4 18.Rc2 f6 19.Nd2 Qe6 20.Ne4 de4 21.Qe2 Ne7=+ 22.Rfc1 a6 23.Rc7 b5=+ 24.R7c5 Rc5 25.Rc5 Rc8 26.Qh5 (26.Qh5 Rb8 27.d5=). Schellen,Anton – Acre,John, FICGS, 2006.

9.cd5 Nd5 10.Nc3 a6 11.Bd3 Nc3 12.Bc3 b5 13.0-0 Qc7 14.Qc2 f5 15.Rfc1 Bb7 (15...Qd6 16.Rab1+=) 16.h3 (16.d5 Nd8 17.de6 Bf3 18.gf3 Ne6 19.Bf5 Ng5+/–) 16...Rac8 (16...Qd7 17.Qb3=) 17.Be2 (17.d5!? Nd8 18.de6+=) 17...Na5= 18.Qb2 Nc4 The isolani on a3 becomes a target 19.Bc4 bc4 (19...Qc4? 20.Bb4 Qd3 21.Be7+–) 20.Ne5 Bf6 21.f4 Bd5 22.Bb4 Attacking the isolated pawn on c4 22...Rb8 23.Qd2 Rfe8 24.Bc5 Be5 25.fe5 Qc6 26.Rab1 Rb1 27.Rb1 Be4 28.Rb6= Qa8 29.Rb4 Bd5 30.Rb6 Rb8 31.Rb8 Qb8 32.g4? fg4 33.hg4 Qb1 34.Kf2 Qh1 35.Qe2 Qg2 36.Ke1+= Qe2 37.Ke2 Kf7 38.Kf2 Kg6–/+ 39.Kg3 Kg5 40.Be7 Kg6 41.Bb4 h5–/+ 42.gh5 Kh5 43.a4 g5 44.a5 Be4 45.Bc3 Bd3 46.Bd2 Kg6–/+ 47.Bc3 Kf5 48.Bd2 Ke4 49.Kg4–/+ Be2 50.Kg5 Kd3 51.Be1 c3–+ 52.Bc3 Kc3 53.Kf6? Bg4 54.d5 ed5 55.e6 Kd3 (55...Kd3 56.Ke5 Kc4–+ (56...Ke3 57.e7 Bd7 58.Kd5+=)) 0–1. Fournier,Frederic – Casparota (1740), Active, 2007.

9.cd5 Nd5 10.Bd3 Bd7 11.0-0 Rc8 12.Nc3 Nc3 13.Bc3 Bd6 (13...Rc7!?+=) 14.Qb1+/– Rc7 15.Bh7 Kh8 16.Bd3 Qe7 17.Bb2 Rfc8 18.Rc1 Na5 19.Qa2 (19.Rc7 Rc7 20.Qd1 Kg8+/–) 19...Ba4 20.Rc7 Rc7 21.Rc1 Bb3 22.Rc7 Ba2 (22...Qc7 23.Qb1+/–) 23.Re7 Be7 24.Ne5 Nb3? (better is 24...Kg8+–) 25.Nf7 Kg8 26.Ne5 Nd2 27.Bc1?? Nb1?? 28.a4 Nc3 29.a5 Bb4 30.Bc4?? Bc4–/+ 31.Nc4 Ne2–+ 32.Kf1 Nc1 33.e4 Nb3 34.d5 ed5 35.ed5 Na5 36.Na5 Ba5 37.Ke2 Kf7 38.Kd3 Ke7 39.Ke4 Kd6 40.f4 b5 41.g4 Bb4 42.f5 1–0. Fournier,Frederic – raul079, Active (5/0), 2005.

9.cd5 Nd5 10.Bd3= a6 11.0-0 f5 12.Nc3 b5 13.Nd5 ed5 14.Ne5 Ne5 15.de5 Qb6 16.a4 ba4 17.Bd4 Qe6 18.Qa4 Bd7 19.Qa5 Bd8 20.Qa2 a5 21.Be2 Bc6 22.Rfc1 Rf7 23.Rc3 a4 24.Bf3 Bb7 25.Rb1 Ra5 26.Rb4 h6 27.h3 Re7 28.Qb2 Qa6 29.Be2 Qa8 30.Ra3 Qc8 31.Rba4 Ra4 32.Ra4 Qc6 33.Bb5 Qc8 34.Ra7 Qe6 35.Qb4 Bc8 36.Ra8 Kf7 37.Qd6 Bc7 38.Qe6 Be6 39.f4 Bd7 40.Bd7 Rd7 41.g4 fg4 42.hg4 Bd8 43.f5 Ke8 44.e6 Rb7 45.Bg7! Rg7 46.f6 Re7 47.f7 Rf7 48.ef7 Kf7 49.Rd8 (49...Ke6 50.Rh8+–) 1–0. Hoch,Hubertus (2165) – Scholz,Sascha (2040), RSX9E – A00 – Sokolsky–2, 2004.

9.cd5 Nd5 10.Bd3= f5 11.0-0 =.

9.Be2 a6 10.cd5 ed5 11.Nbd2 =.

9.Be2 b6 10.0-0 Bb7 11.Nbd2 Na5 12.Bd3 dc4 13.Nc4 Nc4 14.Bc4 Bd6 15.Ne5 Qe7 16.Qb3 Rac8 17.f3 Nd5 18.Bd5 Bd5–/+ 19.Qd1 Rfd8 20.Rf2 f6 21.Nd3 Bc4 22.Rd2 Qc7 23.g3 Qb7 24.Nf2 Be7 25.Rc1 Qa6 26.Nd3 Qb5 27.a4 Qb3 28.Rc3=+ Qd1 29.Rd1 Ba6 30.Rdc1 Rc3 31.Rc3 Rc8 32.Kf2?? Rc3–+ (32...Rc3 33.Bc3 Bd3–+) 0–1. Sviridov,Valentin – Radovici,Gorvin, Havirov, 1968.

10.Qb3 Bd6 11.c5 (11.Bc3 Qc7 12.Bd3 b6 13.0-0 Bb7 14.Rfc1 Rfc8 15.Qb1 h6+=) 11...Bb8 12.Bd3 Qc7 13.0-0 Ng4 14.h3 Nf6 15.Rab1 Rd8 +=.

10.Qb3 Bd7 11.cd5 Nd5 12.Bd3 Rab8 13.0-0 Rfc8 14.Rfc1 h6 15.Bc2 a6 16.Qd3 Bd6? 17.Nc4+– Qc7 18.Qh7 Kf8 19.Qh8 Ke7 20.Qg7 Rg8 21.Qh6 Nf6 22.Nd6 Qd6 23.e4 Rg6 24.Qh4 e5 25.de5 Ne5 26.Ne5 Rg7 27.Nd7 Qd7 28.Qf6 Kf8 29.Qg7 (29...Ke7 30.Bf6 Kd6 31.Qg3 Kc6 32.Ba4 Kb6 33.Qe3 Ka5 34.Qc3 Ka4 35.Qb4) 1–0. woschkat (1990) – kostaspetidis (1620), net–chess.com, 2001.

10.Qb3 Ne4 11.Bd3 (11.cd5 ed5 12.Qb5 Qd8 13.Bd3 a6 14.Qb3 Bf5 15.0-0 Na5+=) 11...a6 12.Qc2 f5 13.0-0 Bd7 14.Nb3 Qa4 15.c5 Rac8 =.

10.Rc1 A) 10...Re8 11.Qb3 (11.Bd3 Bd7 12.0-0 Rac8 13.Qb3 Qc7 14.cd5 ed5 15.Rc2 Bd6=) 11...Bd6 12.c5 Bb8 13.Bd3 Qc7 14.0-0 Bd7 15.e4 de4+=; B) 10...Bd7 11.cd5 (11.Qb3 Rab8 12.Bd3 dc4 13.Rc4 b5 14.Rc1 Rfc8 15.0-0 b4=) 11...ed5 12.Bd3 Rac8 13.0-0 Qb6 14.Qb3 Qb3 15.Nb3 b6=.

10.Qc2 A) 10...Bd6 11.c5 (11.Be2 Bd7 12.c5 Be7 13.0-0 Rac8 14.Rab1 Qc7 15.Bd3 b6=) 11...Bb8 12.Bd3 Bd7 13.0-0 Rc8 14.Bc3 Qc7 15.e4 de4+=; B) 10...Bd7 11.cd5 (11.Bc3 Qc7 12.e4 dc4 13.Bc4 Rfc8 14.0-0 Na5 15.Ba5 Qa5+=) 11...ed5 12.Qb3 Rab8 13.Bc3 Qc7 14.Bd3 Rfc8 15.0-0 Na5=.

10.Bd3 dc4 11.Bc4 b5 12.Bd3 Bb7 13.0-0 Rac8 14.Nb3 Qb6 15.Nc5 Na5=.

10.Bd3 dc4 11.Bc4 Bd7 12.0-0=.

10.Bd3 dc4 11.Bc4 Rd8 12.Qb3= Qc7 13.Bd3 b6 14.Ne4 Ne4 15.Be4 Bb7=.

10.Bd3 dc4 11.Bc4 e5 12.0-0 (12.Ne5 Ne5 13.de5 Ne4+=) 12...ed4= 13.ed4 Rd8 14.Re1 Bf8 (14...Nd5 15.Qb3=) 15.Qb3 (15.d5 Ne7 16.Bf6 gf6+/-) 15...Nd5+= 16.Ne4 Bf5 17.Nfg5 Bg6? (better 17...Rd7!?+=) 18.Bc3+- (18.Qb7?! Qb6 19.Qb6 Nb6= (worse 19...ab6 20.Nf3+/-)) 18...Nc3 (better 18...Qb6 19.Bd5 Qb3 20.Bb3 Nd4 21.Bd4 Rd4+-) 19.Bf7 Bf7 (19...Kh8 20.Bg6 Rd7+-) 20.Nf6!! (20.Nf6 gf6 21.Qf7 Kh8 22.Qh7) 1-0. marekt (2095) - federicosting (1800), gameknot.com, 2014.

10.Bd3 Bd7 11.cd5 (11.0-0 Rfc8 12.Rb1 b6 13.Qb3 dc4 14.Bc4 Qh5 15.Ba6 Rc7=) 11...ed5 12.Qb3 Rab8 13.0-0 Rfc8 14.Rfc1 Bd6 15.Rc2 Nd8=.

10.cd5 A) 10...Nd5 11.Bd3 (11.Qc2 h6 12.Bd3 Bd7 13.0-0 Rfc8 14.Qb3 Qd8 15.Rfc1 Rc7=) 11...Bd7 12.0-0 Rac8 13.Qb3 Qd8 14.Rfc1 Rc7 15.Ne4 Na5=; B) 10...ed5 11.Qb3 (11.Bd3 Be6 12.0-0 Rac8 13.Nb3 Qc7 14.Nc5 Na5 15.Ng5 Bg4=) 11...Bd6 12.Rc1 Rb8 13.Bd3 Bg4 14.0-0 Rfc8 15.Rc2 b5=.

10.Rc1 Qb6 A) 11.Rb1 Qd6 (11...Re8 12.c5 Qc7 13.Bd3 Bd7 14.0-0 Nc6 15.Qc2 g6) 12.c5 Qc7 13.Bd3 Bd7 14.0-0 Nc6 15.Qc2 Rfe8; B) 11.Qc2 Bd7 (11...Nc6 12.Bd3 Bd7 13.0-0 Rac8 14.Ne5 Qd8 15.Qb3 b6) 12.c5 Qc6 13.Bd3 Qa4 14.Bc3 Qc2 15.Rc2 Nc6; C) 11.Bc3 Nc6 (11...Qc7 12.Bb2 Qb6 13.Bc3 Nc6 14.c5 Qc7 15.Bd3 b6) 12.c5 Qc7 13.Bd3 b6 14.0-0 bc5 15.dc5 Bd7.

10.Rc1 Bd7 11.Ne5 (11.cd5 Nd5 (11...ed5 12.Ne5 Rc8 13.Rc8 Qc8 14.Bd3 b5 15.0-0 Nc4) 12.Ne5 Be8 13.e4 Nb6 14.Qg4 Na4 15.Ba1 Rc8; 11.Bd3 Qb6 (11...dc4 12.Nc4 Nc4 13.Rc4 Bb5 14.Rc1 Qb6 15.Bb5 Qb5) 12.Qc2 dc4 13.Nc4 Nc4 14.Bc4 Rfc8 15.Ne5 Bb5) 11...dc4 (11...Qb6 12.Rb1 dc4 13.Nd7 Nd7 14.Bc3 Qc7 15.Ba5 Qa5; 11...Rc8 12.c5 Nc6 13.Nd7 Qd7 14.Bb5 Qc7 15.0-0 h6) 12.Ndc4 Nc4 (12...Rc8 13.Bd3 Nc4 14.Nc4 Bb5 15.0-0 Qd5) 13.Bc4 Ba3 14.Ba3 Qa5 15.Qd2 Qa3 16.0-0 Rfc8 17.Bd3 Be8 18.Rb1 Rc7 19.Rbc1 Rc1 20.Rc1 (worse 20.Qc1 Qc1 21.Rc1 a5–/+) 20...Nd5 21.Nf3 (21.g3 f6 22.Nf3 Bh5=+) 21...a5=+ 22.Kf1 (22.h3 a4–/+) 22...a4–/+ 23.g3 (better 23.e4!? Nf6 24.Kg1–/+) 23...Qb4–+ 24.Qc2 a3 25.Bh7 Kh8 26.Bd3 a2 27.Ra1 Nc3 28.e4 (28.Kg1–+) 28...f6 29.h3 Bc6 30.Kg2 (30.Kg1 Ra3 31.Kg2 Kg8–+) 30...Ra3 31.Qd2 (31.h4 Qd6–+) 31...Qd6 32.Qe3 (32.Qe1 f5! 33.Ng5 Qd4–+) 32...Ne4! 33.Ra2 (33.Be4 Re3 Pinning (33...Re3 Deflection; 33...Re3 Clearance)) 33...Ra2 34.Be4 b5 35.Nh4 (35.Qb3 Be4 36.Qa2–+) 35...Be4 36.Qe4 Qd5 37.Qd5 (37.Qf3 b4 38.Ng6 Kh7–+) 37...ed5 38.Ng6 Kh7 39.Nf8 Kh6 40.Nd7 b4 41.Nc5 Rd2 42.Kf1 Rd4 43.Ke1 Rc4 44.Nd3 g5 0–1. Raap,Christian (2295) – Brueske,Thomas (2360), RSX5D – A00 – Sokolsky–1, 2010.

10.Rc1 g6 A) 11.Be2 Bd7 (11...Nc4 12.Nc4 dc4 13.Rc4 Qb6 14.Bc3 Nd5 15.0-0 Bd7) 12.0-0 Rc8 13.Ne5 dc4 14.Ndc4 Bb5 15.a4 Nc4; B) 11.cd5 Qb6 (11...ed5 12.Bd3 b5 13.0-0 Nc4 14.Qb3 Bd7 15.e4 Qa5) 12.Rb1 ed5 13.Bd3 Be6 14.Ne5 Nc6 15.0-0 Rac8; C) 11.Bd3 dc4 (11...Bd7 12.0-0 Qb6 13.Bc3 Nc4 14.Bc4 dc4 15.Nc4 Qb5) 12.Nc4 Nc4 13.Rc4 b5 14.Rc1 Bb7 15.0-0 Qd5.

10.Bd3 A) 10...Nc4 11.Nc4 (11.Bc4 dc4 12.Nc4 b5 13.Nce5 Qa5 14.Qd2 Qd2 15.Nd2 Bb7) 11...dc4 12.Bc4 Qa5 13.Qd2 Qd2 14.Kd2 b5 15.Bd3 Bb7; B) 10...Bd7 B1) 11.Ne5 Nc4 (11...dc4 12.Ndc4 Nc4 13.Bc4 Bb5 14.Rc1 Bc4 15.Rc4 Qd5) 12.Ndc4 dc4 13.Nc4 Bb5 14.0-0 Qd5 15.Rc1 Rac8; B2) 11.cd5 Nd5 (11...ed5 12.Ne5 Rc8 13.0-0 g6 14.Qf3 b5 15.e4 Be6) 12.0-0 f6 13.Qb1 f5 14.Rc1 Bd6 15.Ne5 Rc8; B3) 11.0-0 Nc4 (11...Qb6 12.Rb1 Nc4 13.Nc4 dc4 14.Bc4 Rfc8 15.Ne5 Bb5) 12.Nc4 dc4 13.Bc4 Nd5 14.Ne5 f6 15.Nd7 Qd7; C) 10...Qb6 C1) 11.Rb1 dc4 (11...Nc4 12.Bc4 dc4 13.Nc4 Qa6 14.Qd3 Nd5 15.Rc1 b5) 12.Bc4 Nc4 13.Nc4 Qc7 14.Qd3 Bd7 15.Rc1 Bb5; C2) 11.Qb1 dc4 (11...Nc4 12.Bc4 dc4 13.Nc4 Qb3 14.Nfd2 Qa4 15.0-0 Bd7) 12.Bc4 Nc4 13.Nc4 Qb3 14.Nfd2 Qa4 15.0-0 Bd7; C3) 11.Qc2 dc4 (11...Nc4 12.Bc4 dc4 13.Nc4 Qc6 14.Rc1 b5 15.Nce5 Qc2) 12.Nc4 Nc4 13.Bc4 Bd7 14.Rb1 Rac8 15.Ne5 Qc7; D) 10...dc4 D1) 11.Bc4 Nc4 (11...Bd7 12.Bd3 Nd5 13.0-0 f6 14.Qb1 f5 15.Ne5 Nc6) 12.Nc4 b5 13.Nce5 Qa5 14.Qd2 Qd2 15.Nd2 Bb7; D2) 11.Nc4 Nc4 (11...Nd5 12.0-0 Nc4 13.Bc4 Bd7 14.Qd3 Rc8 15.Ne5 Ba4) 12.Bc4 Qa5 13.Qd2 Qf5 14.Qd3 Ne4 15.0-0 a6.

10.cd5 Qb6 A) 11.Qb1 Nd5 (11...ed5 12.Bd3 Nc6 13.0-0 Bd6 14.Qc2 g6 15.Rab1 Be6) 12.e4 Nf6 13.Bd3 Bd7 14.0-0 Rac8 15.Ne5 Bb5; B) 11.Qc2 ed5 (11...g6 12.Ne5 ed5 13.Bd3 Bd7 14.0-0 Rac8 15.Bc3 Ba4) 12.Bd3 Be6 13.Ne5 Rfc8 14.Qb1 Nc4 15.Bc4 dc4; C) 11.Rb1 g6 (11...ed5 12.Bd3 Bg4 13.h3 Bh5 14.Bc3 Qc7 15.Ba5 Qa5) 12.Bd3 ed5 13.0-0 Nc6 14.Ne5 Be6 15.Qa4 Rfc8.

10.cd5 ed5 11.Qb1 g6 (11...Be6 12.Ng5 Bd7 13.Bd3 h6 14.Ngf3 b5 15.Ne5 Nc4) 12.Bd3 b5 13.0-0 Nc4 14.Qc2 Be6 15.Ng5 Bd7.

10.cd5 ed5 11.Bd3 Bg4 12.h3 Bf3 13.Qf3 b5 14.0-0 (14.Bb5? Qb6 15.Qe2 a6–+) 14...Nc4 15.Bc3 Rb8 (15...Na3 16.Ra2+=) 16.Rfc1 Bd6 17.Qe2 (17.Nb1 Rc8=) 17...Qe7 18.Nb1 a5 19.Bb2 Rfc8 20.Nc3 a4 21.Bc4 Rc4 22.e4 Rd4 23.Qe3 Qe5 24.f4 (24.Nd5 Qh2 25.Kf1 Rd5 26.ed5–/+) 24...Qe7 25.e5 Bc5 26.Kh2 Nd7 27.Qg3 (27.Qf3 Qe6–/+) 27...Rd2 28.Nd1 d4 29.Qe1 Rd3 30.Qe4 Rb3 31.Bd4 Ba3 32.Rc7 Qd8 33.Rc2 Nf8 34.Ne3 Rc8 35.Nd5 (35.Nd5 Rc2 36.Qc2 Qd5 37.Rd1–+). Fournier,Frederic (2290) – Quadriny (2260), echecsemail.com (Team Cup), 2007.

10.cd5 ed5 11.Bd3 Bg4 12.h3 Bh5 13.0-0 Rc8 14.Qa4 Bf3 15.Nf3 Nc4.

10.cd5 ed5 11.Bd3 g6 12.Ne5 Be6 13.0-0 b5 14.Bc3 Rc8 15.Bb4 Nc4.

10.cd5 ed5 11.Ne5 Bf5 (11...Qb6 12.Qc2 Bf5 13.Qf5 Qb2 14.Rb1 Qa3 15.Qd3 Rac8) 12.g4 Be4 13.f3 Bg6 14.Rc1 Qb6 15.Bc3 Ba3.

10.cd5 Qd5 A) 11.Be2 Bd7 (11...Nc6 12.0-0 Bd7 13.Ne5 Rfc8 14.e4 Qd6 15.Ndc4 Qc7) 12.0-0 Bb5 13.Ne5 Be2 14.Qe2 Nc6 15.Nc6 bc6; B) 11.h3 b5 (11...Bd7 12.Bd3 Bb5 13.Qe2 Bd3 14.Qd3 Rac8 15.e4 Qc6) 12.Bc3 Nc4 13.Nc4 bc4 14.Ne5 Ba6 15.Bb4 Rfe8; C) 11.Bd3 b5 (11...Bd7 12.e4 Qh5 13.Ne5 Qd1 14.Rd1 Ba4 15.Rc1 Rac8) 12.e4 Qb7 13.0-0 Nc4 14.Bc4 bc4 15.Qc2 Rb8.

10.cd5 Nd5 A) 11.Bd3 Bd7 (11...f5 12.0-0 Bd6 13.h3 Bd7 14.Ne5 Rc8 15.Ndf3 Qe7) 12.0-0 Rc8 13.Ne5 Be8 14.Qf3 Nc6 15.Qh3 h6; B) 11.Rc1 Bd7 (11...Qb6 12.Rb1 Bd7 13.e4 Nf4 14.g3 Ng6 15.h4 h5) 12.Ne5 Be8 13.e4 Nb6 14.Bc3 Na4 15.Bb4 Bb4; C) 11.e4 Nb6 (11...Qb6 12.Rb1 Nf6 13.Bd3 Bd7 14.0-0 Rac8 15.Ne5 Qd6) 12.Bc3 Nc6 13.Bb5 Bd7 14.0-0 Rc8 15.Qb3 Bf6.

10.Be2 A) 10...Qb6 A1) 11.Rb1 Nc4 (11...dc4 12.Ne5 Nd5 13.Ndc4 Nc4 14.Nc4 Qa6 15.Ne5 b5) 12.Bc4 dc4 13.Nc4 Qa6 14.Qd3 Nd5 15.Nce5 Qd3; A2) 11.Ra2 Nc4 (11...dc4 12.Nc4 Nc4 13.Bc4 Bd7 14.0-0 Bb5 15.Ne5 Rfc8) 12.Nc4 dc4 13.Bc4 Qa5 14.Qd2 Qf5 15.0-0 b5; A3) 11.Qc2 Nc4 (11...dc4 12.0-0 Bd7 13.Rab1 Qc7 14.Ne5 b5 15.Bc3 Rab8) 12.Nc4 dc4 13.Bc4 Bd7 14.Ne5 Bb5 15.Bb5 Qb5; B) 10...Nc4 11.Nc4 (11.Bc4 dc4 12.Nc4 b5 13.Nce5 Qa5 14.Qd2 Qd2 15.Nd2 Bb7) 11...dc4 12.Bc4 b5 13.Bd3 Bb7 14.0-0 Qd5 15.Bc3 a5; C) 10...dc4 C1) 11.Bc4 Nc4 (11...Qb6 12.Qc2 Bd7 13.Ne5 Rac8 14.a4 Bc6 15.0-0 Ne4) 12.Nc4 b5 13.Nce5 Qa5 14.Qd2 Qd2 15.Nd2 Bb7; C2) 11.Qc2 b5 (11...Qc7 12.0-0 b5 13.a4 b4 14.Bc4 Ba6 15.Rac1 Nc4) 12.0-0 Nd5 13.g3 Bb7 14.e4 Nf6 15.Rab1 Qb6; C3) 11.Nc4 Nc4 (11...Qd5 12.Rc1 Nc4 13.Bc4 Qa5 14.Qd2 Qd2 15.Kd2 Bd7) 12.Bc4 b5 13.Bd3 Bb7 14.0-0 Qd5 15.Qe2 a6; D) 10...Bd7 D1) 11.Ne5 dc4 (11...Rc8 12.0-0 dc4 13.Ndc4 Bb5 14.Rc1 Nc4 15.Bc4 Qb6) 12.Ndc4 Bb5 13.Rc1 Nc4 14.Bc4 Bc4 15.Rc4 Qd5; D2) 11.cd5 Nd5 (11...ed5 12.Ne5 Bf5 13.g4 Be4 14.0-0 Qb6 15.Ne4 Ne4) 12.Ne5 f6 13.Nd7 Qd7 14.0-0 Rac8 15.Bd3 Rc7; D3) 11.0-0 Rc8 (11...Qb6 12.Rb1 Nc4 13.Nc4 dc4 14.Bc4 Rfc8 15.Bd3 Qd6) 12.Ne5 dc4 13.Ndc4 Bb5 14.Rc1 Nc4 15.Bc4 Qb6.

10.Ne5 A) 10...Ne4 A1) 11.Rb1 f6 (11...Nd2 12.Qd2 f6 13.Bc3 fe5 14.Ba5 b6 15.Bb4 Bb4) 12.Nef3 Nc4 13.Nc4 dc4 14.Bc4 Qa5 15.Ke2 Qf5; A2) 11.Ra2 f6 (11...Nd2 12.Qd2 f6 13.Bc3 Nb3 14.Qb2 Nd4 15.Bd4 fe5) 12.Nef3 Nc4 13.Bc4 Nd2 14.Bd3 Nf3 15.gf3 Bd7; A3) 11.Ne4 de4 12.Bc3 Qc7 13.Bb4 f6 14.Qa4 b6 15.Ba5 fe5; B) 10...dc4 B1) 11.Qa4 Nb3 (11...Nd5 12.Rc1 a6 13.Ndc4 Nc4 14.Bc4 f6 15.Nd3 Bd7) 12.Nb3 cb3 13.Qb3 Ne4 14.Qc2 Qa5 15.Ke2 Nd6; B2) 11.Bc4 Nc4 (11...Nd7 12.Be2 Ne5 13.de5 Bd7 14.Rc1 Rc8 15.Rc8 Qc8) 12.Ndc4 Nd5 13.e4 f6 14.Nd3 Nb6 15.Nd2 Bd7; B3) 11.Ndc4 Nd5 (11...b5 12.Na5 Qa5 13.Qd2 Qd2 14.Kd2 Bb7 15.f3 a6) 12.Bd3 Nc4 13.Nc4 b5 14.Ne5 Qa5 15.Qd2 Qd2; C) 10...Nd7 C1) 11.Qc2 Ne5 (11...f5 12.Nef3 Nf6 13.Bd3 Nc4 14.Nc4 dc4 15.Bc4 b5) 12.de5 f5 13.Be2 Nc4 14.Nc4 dc4 15.0-0 Bd7; C2) 11.Bd3 Ne5 (11...Qb6 12.Qc2 Ne5 13.de5 Nc4 14.Nc4 dc4 15.Bc4 Bd7) 12.de5 dc4 13.Nc4 Nc4 14.Bc4 Qa5 15.Qd2 Qd2; C3) 11.cd5 Ne5 (11...h6 12.de6 Ne5 13.de5 Be6 14.Be2 Nc6 15.0-0 Qa5) 12.de5 Qd5 13.Qf3 Qf3 14.Nf3 Rd8 15.Bc3 Nb3; D) 10...Qb6 D1) 11.Qc2 Nc6 (11...g6 12.Bd3 Nc4 13.Ndc4 dc4 14.Nc4 Qc7 15.Rc1 Bd7) 12.Bd3 g6 13.0-0 Bd7 14.Nd7 Nd7 15.h3 Rac8; D2) 11.Bc3 Qc7 (11...Nc6 12.Bd3 Qc7 13.0-0 Rd8 14.f4 dc4 15.Ndc4 b5) 12.Qc2 Nc6 13.Be2 dc4 14.Ndc4 Ne5 15.de5 Nd5; D3) 11.Rb1 Nc6 (11...Qc7 12.Bd3 Nc6 13.0-0 Rd8 14.Qc2 g6 15.Ndf3 Ne5) 12.Bd3 h6 13.0-0 Qc7 14.Rc1 Qb6 15.Qc2 Bd7.

11.a4 Nd5 (11...Qd5 12.Ne5 Bd7 13.f3 Bb4 14.Bc3 Bc3 15.Rc3 Qd6) 12.Bc4 Nc4 13.Nc4 Bb4 14.Kf1 Bd7 15.g3 Nb6.

11.Bc4 Bd7 (11...Nc4 12.Nc4 b5 13.Nce5 Qa5 14.Qd2 Qd2 15.Kd2 Bd6) 12.0-0 Rc8 13.Bd3 Rc1 14.Qc1 g6 15.Ne5 Nd5.

11.Nc4 b5 12.Nce5 Bb7 13.Bd3 Ne4 14.Be4 (better 14.Bb5!? Qb6 15.Qe2+=) 14...Be4=+ 15.Nd2 Bb7 (15...Bg2 16.Rg1 Bd5 17.e4=+) 16.0-0= f6 17.Nd3 Rc8 18.Nc5 Bd5 19.Bc3 (19.e4!? Ba2 20.a4=) 19...Bc5=+ 20.dc5 Rc5 21.a4 ba4 22.Qa4 Qc7 23.Ne4 Be4 24.Ba5 Qc6 25.Qc6 Rc6 26.Rc6 Bc6 27.Rc1 Rc8 28.f3 Kf7 29.h4 Ke7 (29...e5 30.e4-/+) 30.h5 a6 31.Bb4 Kf7 32.g4 Bb7 33.Rc8 Bc8 34.Bc3 e5 35.e4 h6 36.Bd2 Ke6 37.Kf2 Bd7 38.Kg3 Ba4 39.Kf2 Bd1 ½-½. marekt - Tihomir Glowatzky, ChessWorld.net, 2021.

11.Nc4 Bd7 12.Nce5 Qb6 13.Rb1 Rac8 14.Bd3 Qb3 15.Qe2 Bc6.

11.Nc4 Ne4 12.Ncd2 Nd2 13.Nd2 Qb6 14.Rb1 Qc6 15.Rc1 Qb6.

12.Bc4 Ba3 13.Ba3 Qa5 14.Qd2 Qa3 15.0-0 b6 16.Rc2 (16.Ne5 Bb7 17.Rc2 Rfc8 18.Rfc1 Be4 19.Rc3 Qd6+=) 16...Bb7 17.Ne5 Rfc8 18.Rfc1 Qd6 19.Bd3 a5 +=.

12.Bc4 Ba3 13.Ba3 Qa5 14.Qd2 Qa3 15.0-0 b6 16.Ne5 Bb7 17.Ra1 Qd6 18.f3 a6 19.Bd3 b5 20.Rfc1 Rac8 21.Qa5 Nd5 22.Rc8 Bc8 23.Qa3 (23.Qe1 f6 24.Ng4 e5–/+) 23...Qa3 24.Ra3 Ne3 25.Bb5 Ng2 26.Ba6 Ba6 27.Kg2 Ra8 28.Kg3 f6 29.Nd3 Bb7 30.Rc3 Rd8 31.Rc7 Bd5 32.Nf4 e5 33.de5 fe5 34.Nd5 Rd5 35.Kg4 g6 36.Rc8 Kg7 37.Rc7 Kh6 38.Re7 Rc5 39.h4 Rb5 40.f4 ef4 41.Kf4 g5 (41...Rb4!? 42.Kg3 Rb1–/+) 42.hg5= Rg5 43.Rh7 Kh7 44.Kg5 ½–½. Fournier,Frederic (2440) – Ninobla,Willy (2585), chess.com ( World League Super Cup), 2010.

12.Bc4 Ba3 13.Ba3 Qa5 14.Qd2 Qa3 15.0-0 Qd6 16.Rfd1 (16.Rc2 a5 17.Rfc1 a4 18.Ne5 Nd7 19.f4 f6+=) 16...a5 17.Bd3 a4 18.Ne5 Bd7 19.Nc4 Qe7 +=.

12.Bc4 Ba3 13.Ba3 Qa5 14.Qd2 Qa3 15.Rc3 A) 15...Qd6 16.Bd3 (16.Qb2 b6 17.Ne5 Bb7 18.0-0 Rfc8 19.Ra1 a6+=) 16...a5 17.e4 Qd7 18.Qc2 h6 19.0-0 b5=; B) 15...Qa4 16.Bd3 (16.Bb3 Qa5 17.Rc2 Qd2 18.Kd2 b5 19.Rc7 a5–/+) 16...b5 17.Qb2 b4 18.Rc5 Bb7 19.Bc2 Qa3+=.

12.Bc4 Ba3 13.Ba3 Qa5 14.Qd2 Qa3 15.Bd3 A) 15...a5 16.0-0 (16.Ne5 Qd6 17.0-0 a4 18.Rc5 Bd7 19.Nc4 Qe7+=) 16...a4 17.Ne5 Qd6 18.Ra1 Bd7 19.Nd7 Qd7=; B) 15...b6 16.0-0 (16.Ne5 Bb7 17.0-0 Qd6 18.Rc2 a5 19.Rb1 Bd5–/+) 16...Bb7 17.Ne5 Qd6 18.Rc2 a5 19.Rb1 Bd5–/+.

12.Bc4 Ba3 13.Ba3 Qa5 14.Qd2 Qa3 15.Ne5 Ne4 (15...a5 16.0-0 (16.Bd3 Qd6 17.0-0 a4 18.Rc5 Bd7 19.Nc4 Qe7+=) 16...a4 17.Bd3 Qd6 18.Ra1 Bd7 19.Nd7 Qd7=; 15...Qd6 16.0-0 (16.Bd3 a5 17.0-0 a4 18.Rfd1 Bd7 19.Nc4 Qe7+=) 16...a5 17.Bd3 a4 18.Rc5 Bd7 19.Nc4 Qe7+=) 16.Qc2 (16.Qd1 Qa5 17.Kf1 b5 18.Bd3 Bb7 19.f3 f6–/+) 16...Qa5 17.Ke2 Nd6 (17...Nf6 18.Ra1 Qd8 19.Rhb1 b6+=) 18.Bd3 f5 (18...g6 19.Qc7 Qd5=) 19.g4 (19.Rhd1 Nf7=) 19...Qd8 20.Rhg1 Nf7 21.Nf7 Rf7 (worse is 21...Kf7 22.gf5 Kg8 23.f6 Qf6 24.Bh7 Kh8 25.f4+=) 22.gf5 Kh8 (22...ef5 23.Bc4 b5 24.Bf7 Kf7 25.Qb3 Kf8 26.Qb5+–) 23.Qc4 Re7 24.f6 gf6 25.Qc5 b6 26.Qh5 Bb7 27.Rg3 f5 28.Qh6 Qf8 29.Qf4 Qf6 30.Rcg1 Rf7 31.Rg5 Be4 32.Bc4 Rc8 33.Qd6 Rd8 (better is 33...Re7!?+=) 34.Qe6+– Qe6 35.Be6 Rff8 36.f3 Bc2 37.Rg7 a5 38.Kd2 Ba4 39.d5 Bb3 40.e4 fe4 41.fe4 Rde8 42.Kc3 a4 43.Kb4 b5 (43...Ra8 44.Kb5+–) 44.R1g3 (44.Kb5 a3 45.Rb7 Re6 46.de6 Be6+–) 44...Re6 45.de6 (45.Rb3?? Re4 46.Kb5 Rb8 47.Kc5 ab3–+ (47...Kg7 48.Rb8 Re1 49.Ra8+=)) 45...Be6 46.Re7 Bc4 47.Rh3 Kg8 48.Rhh7 Bf7 49.Rh3 Bc4 50.Rg3 Kh8 51.Re5 (51.Re5 Rf7 52.Rh5 Rh7 53.Rh7 Kh7 54.e5+–) 1–0. chandragupta (2175) – mischa459 (2045), gameknot.com, 2013.

10.Rc1 Bb7 11.Bd3 dc4 12.Nc4 Rc8 13.0-0 Rc7 14.Ncd2 Qa8 15.Ne4 Rfc8 16.Nf6 Bf6 17.Be2 Na5 18.Rc7 Rc7 19.Qa4 Qc8 20.Bd3 Bd5 21.Nd2 Be7 22.Ra1 g6 23.e4 Ba8 24.d5 ed5 25.Qd4 f6 26.ed5 Qd8 27.d6 Qd6 28.Qd6 Bd6 29.Bf6 Kf7 30.Bb2 Bd5 31.Ne4 Be4 32.Be4 Nb7 33.Rd1 Be7 34.Bd5 Kf8 35.Bc1 Kg7 36.Re1 Bf6 37.Bf4 Rd7 38.Bc6 Rd4? 39.Be3+– Rd3 40.Bb7 Ra3 41.g3 b5 42.Bc5 Bc3?? 43.Re7 Kh6 44.Ba3 1–0. De Simone,A – Maietti,L, Ischia op B, 1999.

10.Bd3 Ba6 11.cd5+= Bd3 12.dc6 Qd5 (12...Qc7!? 13.Ne5 Bf5+/–) 13.Qb3+/– Qb3 (13...Qf5!?+/–) 14.Nb3+– Rfc8 15.Ne5 (15.Rc1 Rc7 16.Ne5 Be4+=) 15...Bb5 (Better is 15...Be4 16.Rc1 Bg2+/–) 16.f3?? (Better is 16.Rc1+–) 16...Bc6 (16...Ba4 17.Nd2 Bc6 18.Nc6 Rc6 19.Ke2=) 17.Nc6 Rc6 18.Kd2 Rac8 19.Rhc1 Kf8 (19...Bd6 20.Rc6 Rc6 21.f4=+) 20.Rc6 Rc6 21.Rc1 Rc1 22.Nc1 b5 (22...Bd6 23.f4=) ½–½. Skonieczny,Jerzy – Tomczak, corr Poland, 1995.

10.Bd3 dc4!? 11.Nc4 b5 =.

10.Bd3 dc4 11.Nc4 Bb7 12.0-0 Rc8 13.Qe2 Nd5 14.Rfd1 Re8 15.Nfe5 Ne5 16.Ne5 Bf6 (16...Nc3!? 17.Bc3 Rc3=) 17.Bh7!+/– Kh7 18.Qh5 Kg8 19.Qf7 Kh7 20.Qb7 Rc2 (better is 20...Be5 21.de5 Rc2+/–) 21.Rab1?? (better is 21.Nd3 Qe7 22.Qe7 Ne7 23.Rab1+–) 21...Be5–+ 22.de5 Rf8 23.Rf1 Qh4 24.g3 (24.Qa7 Rff2 25.Qg7 Kg7 26.Kh1 Rg2 27.Rf7 Kg6 28.Rf6 Nf6 29.ef6 Qh2) 24...Qe4?? (better is 24...Qa4 25.Rbc1 Rb2–/+) 25.Bd4= (25.Qa7 Ne3 26.f3 Rf3 27.Qg7 Kg7 28.Rf3 Rg2 29.Kh1 Qb1 30.Bc1 Qc1 31.Rf1 Qf1) 25...Rcf2 26.Rf2 Qb1 27.Kg2 Qe4 Attacks the isolani on e3 28.Kg1 Qb1 ½–½. Jove Grau,Lluis (2075) – Estevez Jacome,Jose Ramon (2005), Benidorm ESP, 2014.

10.cd5 Qd5 11.Bd3 Bb7 12.0-0 Rac8 13.e4 Qh5 14.Re1 Rfd8 15.Nf1 Qa5 16.Qe2 Nh5 17.Qe3 Ba6 18.Ba6 Qa6 19.e5 g6 20.g4 Ng7 21.Ng3 Na5=+ 22.Qh6 Qd3 23.Kg2 Nc4–/+ 24.Rad1 Qb3 25.Bc1 Ne8 26.Ne4 Bf8 27.Qh4 Nb2 28.Bh6?? Nd1–+ 29.Bf8 Kf8 30.Qh7 Qc2 31.Nfg5–/+ Rd7 32.h3 Nf2 33.Nf2 Qd2 34.Qh6 Ke7 35.Rd1 Qf4–/+ 36.Rd3 Rd4 37.Rf3 Qe5 ½–½. Bjazevic,Pavao – Reinhart,Kenneth M (2470), corr ICCF WSTT/3/06/3, 2006.

10.Be2 Bb7 11.0-0 Rc8 12.cd5 Qd5 13.Qb3 Na5 14.Qd5 Nd5 15.Rfc1 a6 16.Ne5 b5 17.Bf3 Bd6 18.Ne4 Be5 19.de5 Nb3 20.Rc8 Rc8 21.Rb1 Rc7 22.Nd6 Nd2 23.Rd1 Nf3 24.gf3 Kf8 25.e4 Nf4 26.h4 Ba8 27.Kh2 Ke7 (27...Rc2 28.Bc1 Ng6 29.Bd2=) 28.Bd4 (better is 28.Bc1 Nd3 29.Bg5 (29.Rd3?! Rc1 30.f4 Rc2=) 29...f6 30.Rd3 fg5 31.hg5+/–) 28...f6?? (better is 28...Rc2=) 29.ef6+– gf6 30.Bf6! Kf8 (30...Kf6 31.Ne8 Double attack) 31.Be5 Ng6 32.Bg3 (32.Nb5 Rc2 33.Bd6 Kf7+–) 32...Rc3 33.Nb5! ab5 34.Rd8 Kf7 35.Ra8 Rf3 36.Ra7 Kg8 37.h5 Nf4 38.h6 Nh5 39.Kg2 Rf7 40.Ra6 Rf6 41.Rb6 Nf4?? (better is 41...Ng3 42.fg3 Rh6 43.Rb5 Rf6+–) 42.Bf4+– Rf4 43.Re6 Kf7 (43...Rg4 44.Kf3 Rg1 45.Re8 Kf7+–) 44.Kg3 Rf2 45.Kf2 Ke6 46.Ke3 Ke5 47.Kf3 Kf6 48.Kf4 Kg6 49.Ke5 Kh6 50.Kf6 1–0. Jaracz,P (2505) – Tomczak,J (2550), 5th Dziedzica Mem, 2015. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 0-0 6.c4 d5 7.Bb2 Nc6 8.d4 Be7 9.Nbd2 b6)

11.0-0 Na5 12.Ne5 (12.cd5 Nd5 13.Rc1 f5+=) 12...dc4 13.Ndc4 Nc4 14.Bc4 Rc8 15.Qe2 Bd6 16.Rfd1 Qe7 17.Bd3 Be5 (17...Rfd8 18.e4=) 18.de5 Ne4 19.Rac1 (19.Qh5 h6=) 19...Nc5 20.Bc2 Be4 21.Bd4 Qb7 22.Bc5 (22.Be4 Qe4 23.f3 Qg6=) 22...Bc2 (22...Rc5 23.Be4 Qe4 24.Rc5 bc5 25.Qb2=) 23.Rc2 Rc5 24.Rc5 bc5 25.Qc4 Qc7 26.Rc1 Rc8 27.f4 Qa5 28.Qb4 Exerts pressure on the isolated pawn 28...Qb6 (28...cb4?? 29.Rc8 Qd8 30.Rd8) 29.Qb6 ab6 30.Rb1 Rb8 31.a4 Kf8 32.a5 (32.Kf2=) 32...Ke7 (better is 32...b5!?+=) 33.ab6+= Kd7 34.Rd1 Kc6 35.Rd6 Kb5 36.Rd7 Rb6 (better is 36...Kb6 37.Rf7 c4=) 37.Rf7+/– c4 38.Kf2 (38.Rg7 c3 39.Rc7 Rc6 40.Rb7 Kc4–+) 38...Kb4 (38...Kc6!? 39.Rg7 Rb2 40.Ke1 c3+/–) 39.Rg7+– c3 40.Rh7 (better is 40.Ke2!? Rb8 41.Rh7+/–) 40...Rc6= 41.Rb7 Ka3 42.Ra7 Kb2 43.Rb7 ½–½. Welling,Gerard (2390) – Witte,Ronald (2155), Dresden ZMD op, 2003. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 Nc6 8.d4 Be7 9.Nbd2 b6)

11.0-0 dc4 12.Nc4 Rc8 13.Qe2 b5 14.Ncd2 a6 15.a4 ba4 16.Ba6 Ba6 (16...Qb6!? 17.Bb7 Qb7=) 17.Qa6+= Bb4 18.Qa4 Bd2 19.Nd2 (19...Qd5 20.Rfc1+/–) 1–0. Taulien,Hans_Juergen – Rohde,Matse, RSX10D – XMAS–1, 2003.

11.0-0 Rc8 12.Rc1 Na5 13.Ne5 (13.cd5 Qd5 14.e4 Qa2 15.Rc8 Rc8= (15...Bc8? 16.Qc1 e5 17.Ne5+-)) 13...dc4 14.Ndc4 Nc4 15.Bc4 Nd7 16.Nd3 (16.Qg4 Ne5 17.de5 Bc5=) 16...Nf6 17.Ne5 Qd6 (17...b5 18.Bd3 (18.Bb5? Qd5 19.f3 Qb5-+) 18...Qd5 19.f3=) 18.Qe2 Nd7 19.f4 Nf6 20.f5 ef5 21.Rf5 Bd5 (21...Rc7 22.e4 Bc8 23.Nf7 Rf7 24.e5+-) 22.Rcf1 (22.e4 A) 22...Be4? 23.Rf6 Bf6 24.Bf7 (24.Qe4?! Be5 25.de5 Qd2+/-) 24...Kh8 25.Rc8 (25.Qe4 Rc1 26.Bc1 Qc7-+) 25...Rc8 26.Qe4+-; B) worse 22...Ne4 23.Nf7 Bc4 24.Nd6 (24.Rc4?! Qe6 25.Rc8 Rc8=) 24...Be2 25.Nc8+/-; C) 22...Bc4 23.Rc4 Qe6=) 22...Bc4= 23.Nc4 Qe6 24.d5 (24.Ne5!?=) 24...Nd5-/+ 25.e4? (better 25.Re5 Qc6 26.Qf3-/+) 25...Nc3!-+ 26.Qf3?? (26.Bc3 Qc4 Double attack (26...Qc4 Discovered attack; 26...Qc4 Decoy)) 26...Qc4 (26...Rc4?! 27.Bc3 Re4 28.Bd2-+) 27.Qg4 (27.Kh1 Ne4 28.Rf4 f5-+) 27...Qe4 28.Qe4 Ne4 29.Re5 (29.R1f4 Rc4 30.g3 Bd6-+) 29...Bc5 30.Kh1 Nf2 (30...Nf2 31.Kg1 Nd3 32.Rc5 Rc5-+) 0-1. Keene,Nick R - Gayson,P (2150), 4NCL Online S2 Div1, 2020.

11.0-0 Rc8 12.Rc1 dc4 13.Bc4 Na5 14.Bd3 Qd5 15.e4 Qa2 16.Rb1 Rfd8 17.Re1 Ba3 18.Qa4 Qb2 19.Rb2 Bb2 20.e5 Nd5 21.Ne4 Bc3 22.Rd1 Bb4 23.h3 h6 24.Ne1 a6 25.Nc2 Be7 26.Bf1 Nc6–/+ 27.Qa1 Ncb4 28.Ne1 Ne3 29.fe3 Be4 30.Bd3 Nd3 31.Nd3 Bg5 32.Kh1? Be3–+ 33.Ne1 Bb7 34.Nf3 Rd7 35.Qa3 Bf4 36.Kg1 Rdc7 37.Ne1 Rc3 38.Qd6 Be3 39.Kh2 Bc6 40.Qb4 Bb5 41.d5 Be2 42.d6 a5 43.Qb2 Bd1 44.d7 R3c7 45.dc8Q Rc8 46.Nd3 a4 47.Qb4 Bb3 48.Qe1 Bd4 49.Qb4 Rc4 50.Qd6 Bc2 51.Ne1 Be4 52.Nf3 Be3 53.Kg3 Bd5 54.Qe7 Bc5 55.Qe8 Bf8 56.Nd2 Rc3 57.Kh2 a3 58.Nb1 a2 59.Nc3 a1Q 60.Nd5 Qe5 61.Kg1 Qd5 62.Qc8 b5 0–1. Aymard,Michel (2010) – Reinhart,Kenneth M (2470), corr ICCF WSTT/3/06/3, 2006.

11.0-0 Rc8 12.Qe2 Na5 13.Rfc1 (13.cd5 Qd5 14.e4 Qh5=) 13...Ne4 (13...dc4 14.Bc4 Nc4 15.Nc4=+) 14.Be4 (14.cd5 Nd2 15.Nd2 Qd5+=) 14...de4 15.Ne1 f5 16.Bc3 Nc6 17.a4 Bb4 (17...Rf7 18.a5=) 18.Nb3 (18.Bb4!? Nb4 19.a5+=) 18...Bc3 19.Rc3 Qe7 20.a5 Qb4 21.Qc2 ba5? (better 21...e5!?+=) 22.Nc5+- Qb6 (22...e5 23.Rb3 (23.Nb7?! Qb7 24.de5 Qc7=) 23...ed4 24.Nb7+-) 23.Nd7 (23.Ne6 Nb4 24.Qb3 Qe6 25.Ra5 Nc6-/+) 23...Qc7 24.Nf8 Rf8 25.Qa4 Nb4 (25...f4 26.h3+-) 26.Qa5 Qa5 27.Ra5 a6 (27...Nc6 28.Rb5 Ba6 29.Rb1+-) 28.Rb3 Nc6 29.Rc5 (29.Rb7?! Na5 30.Rc7 Rb8+=) 29...Ba8 (29...Nd8 30.Rb6+-) 30.Rb6 Ne7 (30...Kf7 31.Ra6 Nb4 32.Rc7 Kf6 33.Rb6+-) 31.Re6 Ng6 (31...Nc6 32.Rcc6 Bc6 33.Rc6+-) 32.Ra6 f4 (32...Bb7 33.Raa5 Bc8 34.d5+-) 33.Nc2 (33.Rc7 Nh4 34.Rca7 Nf5+-) 33...h5 (33...Rb8 34.Kf1 fe3 35.fe3 Rf8 36.Ke2+-) 34.h3 (better 34.Rg6 Rb8 35.Rb5 Rc8+-) 34...Kh7 (34...fe3 35.fe3 Ne7+-) 35.Rh5 Kg8 36.Rg6 1-0. jhonores (2225) - Sedattsurer (2230), Rated Bullet game, lichess.org, 2020.

9.Qc2 Bb6 10.Be2 d4 11.0-0 Bg4 12.h3 Bh5 13.Bd3 Bf3 14.gf3 h6 15.Kh1 Qd5 16.Be4 Ne4 17.Qe4?? (better is 17.fe4 Qe6 18.Kh2–+) 17...Qb5–+ 18.Nc3 Qb2 (18...dc3?! 19.Bc3 Rfe8 20.Qf4–+) 19.Nd5 Qd2 20.Rg1 (20.Nf6! gf6 21.Rg1 Kh8 22.Qf4 Kh7 23.Qf5 Kh8 24.Qf6 Kh7 25.Qg7) 20...Bd8–+ 21.Rg2 Re8 (better is 21...Bg5 22.f4 Rae8–+) 22.Qe8+– Kh7 23.Qf7 1–0. orangutandu – edmondtan, 2013.

9.Qc2 Bd6 +=.

9.Qc2 Be7 10.Bd3 Kh8 11.0-0 Bg4 12.Ne1 Rc8 13.Qa4 a6 14.f3 Bd7 15.Qd1 (15.Qh4 h6+=) 15...Bd6 (15...Qb6 16.Qc1–/+) 16.Qe2 Qc7 17.g3 Ne5 18.Nc3 Rfe8 19.a4 Nc6 20.Nd1 Be5 21.Be5 Ne5 22.Bc2 Bh3 23.Rf2 Qa5 24.g4 d4 25.Bf5 Rcd8 26.Ng2 d3 27.Qe1 Bg2 28.Kg2 g6 29.g5 Nd5 30.Be4–/+ Nb4 31.Qf1 b6 32.Nb2+= Qc5 33.Rc1 Qe7 34.h4 h5 35.Rc3 Ng4 36.Nd3 Nf2 37.Kf2? Nd3 38.Bd3 Qb4–+ 39.f4 Qa4 40.Qb1 Qd7 41.Qb6 Qg4 42.Qf6 Kg8 43.Rc7 Qh4 44.Ke2 Qg4 45.Ke1 Qe6?? 46.Bc4 Qf6–/+ 47.gf6 Rf8 48.Ba6 Rd6 49.Bc4 Rf6 50.Ke2 Re8 51.d3 Rf4–+ 52.Rc6 Kg7 53.Bd5 Rf5 54.Bc4 h4 55.Ra6 h3 56.Ra1 h2 57.Rh1 Rh8 58.e4 Rf4 59.Ke3 g5 60.Bd5 Rh3 61.Ke2 g4 62.e5 g3 63.Bf3 Rh8 64.Ke3 Rfh4 65.d4 Rb8 66.d5 Rb3 67.Ke2 Rf4 (67...Rf4 68.Rf1 Ra4–+) 0–1. Zhukov,Jury – Kudelya,I (1870), Doroshkevicha Mem, Belorechensk RUS, 2009.

9.Nc3 Ne4 10.d4 (10.Qc2 Nf6+=) 10...Bb6 11.Be2 Ba5 12.Rc1 Qd6 13.Qb3 Attacking the isolated pawn on d5 13...Bg4 14.0-0 Bf3 (14...Bc3 15.Bc3 Rfc8 16.h3=) 15.Bf3+= Nd2 16.Qd5 (16.Qb7?? Rab8 17.Qa6 Bc7–+ (worse is 17...Rb2 18.Nd5 Nf1 19.Rf1–+; 17...Nf3?! 18.gf3 Bc7 19.f4 Rb2 20.Na4 Qg6 21.Kh1–+)) 16...Qd5 17.Bd5 (17.Nd5 Rad8 18.Rc5 Nf1 19.Kf1 Rd7+=) 17...Nf1= 18.Kf1 Rac8 (18...Ne7 19.Bf3= (19.Bb7?? Rab8–+)) 19.Ne4 (19.Na4 Rb8+=) 19...Ne7 20.Rc8 (20.Bc4 Rfd8=) 20...Rc8+= 21.Bf7 (21.Bb3!?+=) 21...Kf7–/+ 22.Nd6 Ke6 23.Nc8 Nc8 24.e4 (24.Ke2 Bc7–/+) 24...g6 (24...Nd6!? 25.d5 Kf7–+) 25.Ke2–/+ b5 26.Kd3 Nd6 (26...Bc7 27.g3–/+) 27.d5+= Kd7 28.Bd4 Nc8 29.f4 Bc7 (29...Bd8 30.e5+=) 30.e5= Nb6 (30...Bd8 31.Ke4=) 31.Ke4 Nc4 32.Ba7 Na3 33.d6 (33.Kd4 Nc4=) 33...Bd6= 34.ed6 Kd6 35.Bb8 Ke6 36.Be5 Nc4 37.Bc3 Nd6 38.Kf3 (38.Kd4 Nf5 39.Ke4 Nd6 40.Kd4 Nf5 41.Ke4 Nd6=) 38...Kd5 39.g4 Kc4 40.Be1 (40.Be5!? Nf7 41.Bb2=) 40...b4–/+ 41.Bb4? (better is 41.Ke3–/+) 41...Kb4–+ 42.f5 g5 43.f6? (43.Ke3 Kc4 44.h3–+) 43...Nf7 44.Ke4 Kc4 45.h3 (45.Ke3 Kd5–+) 45...Kc5 46.h4 (46.Ke3–+) 46...gh4 47.Kf4 (47.Kf3–+) 47...Kd5 48.g5 h3 49.Kg3 Ng5 50.f7 Nf7 51.Kh3 Ke5 (51...Ke5 52.Kg4 Kf6–+) 0–1. Campos Calvo_Sotelo,Juan (2025) – Urbina Perez,JA (2210), 10th Gibraltar Challengers–A, 2012.

9.Nc3 Bf5 +=.

9.d3 d4 10.e4 –/+.

9.d3 Re8 10.Be2–/+ Ng4 (better is 10...d4!? 11.e4 Qb6–/+) 11.d4= Bd6 12.h3 Nh6 (12...Nf6 13.Nc3=) 13.Nc3= Be6 14.0-0 f5 (14...Rc8 15.Rc1=) 15.Na4 Nf7 (15...f4 16.ef4 Bf4 17.Nc5+=) 16.Nc5 Bc8 (16...Bc5 17.dc5 Ng5 18.Ng5 Qg5 19.Qa4+=) 17.Re1+/– g5 18.g3 (18.Nd2 b6 19.Bb5 Na5 20.Be8 Qe8+/–) 18...g4+= 19.Nh2 (better is 19.hg4!? fg4 20.Nh4 Re3 A) worse is 21.fe3 Bg3 22.Kg2 Bh4+= (worse is 22...Qh4 23.Rh1 Qg5 24.Kg3+/–); B) 21.Ng2 Re2 22.Re2+=) 19...gh3+= 20.Bf3 (20.Nf3 Na5+=) 20...Ne7 21.Nd3 Ng5 (21...Bd7 22.Qb3 Rc8 23.Nf4 Bf4 24.ef4+=) 22.Nf4 Attacking the isolated pawn on d5 (22.Bh1 Ne4+=) 22...Ne4 (22...Bd7 23.Bh5 Ng6 24.Qb3+=) 23.Bh5 (23.Nh3 Ng6=) 23...Rf8 (better is 23...Bf4!? 24.ef4 Ng6–/+) 24.Nh3= Ng6 (24...Bd7 25.Nf3 Qb6 26.Rb1=) 25.Nf4 Qg5 (25...Nf4 26.ef4 Be6 27.Nf3+=) 26.Nf3 (26.Nd5?? Bg3 27.Qc2 Bf2 (27...Qh5?! 28.fg3 Be6 29.Nc3–/+) 28.Kh1 Qh5–+) 26...Qh6 27.Ne5 Nf4 28.ef4 (worse is 28.gf4 Kh8 29.Rc1 Rg8 30.Kf1 Be6–+) 28...Be6 29.Kg2 Rac8 30.Rh1 Qg7 31.Qb3 Qc7 32.Rac1 Qb6 33.Qb6 ab6 34.Rhd1 b5 35.Be2 b4 36.ab4 Bb4 37.Bd3 Rc1 38.Rc1 Ra8 39.Nf3 Ra2 40.Rc2 Bd6 41.Bc1 (41.Re2 Bb4+=) 41...Rc2= 42.Bc2 b5 43.Nh4 (43.Ne5 Kg7=) 43...Bb4 ½–½. Sadiku,Bedri (2185) – Aguiar,Cristiano (2205), 42nd Olympiad, 2016. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.c4 Nc6 8.cd5 ed5)

9.Bd3 d4 10.Qc2 Qd5 11.Qc4 Qc4 (11...Be6 12.Qd5 Bd5 13.Ke2+=) 12.Bc4= Rd8 13.0-0 h6 (13...Bg4 14.Rc1 Bf3 15.gf3+=) 14.Rc1= b6 15.Bb5 Na5 16.Ba4 Be6 (better is 16...de3!? 17.de3 Nd5=) 17.Nd4+/– Bd4 18.Bd4 (18.ed4?! Nd5=) 18...Bb3 19.Bb5 Rd5 (better is 19...Be6 20.Bf6 gf6+/–) 20.Bc6?? (better is 20.Ba6+–) 20...Rc8= 21.Nc3 (better is 21.Bf6 gf6 22.Nc3 Nc6 23.Nd5 Bd5 24.Rab1=) 21...Rd4–/+ (21...Nc6?! 22.Nd5 Nd5 23.Rab1=) 22.ed4 Rc6 (22...Nc6 23.Nb5 Ba4 24.Rab1–/+) 23.Re1 (23.Nb5 a6 24.Rc6 Nc6–/+) 23...Nd5 (23...Be6 24.Rad1–+) 24.Rac1 Nc3 (24...Kf8 25.Re5–/+) 25.dc3 Bd5 (25...Be6 26.Rcd1 Rd6 27.a4–/+) 26.Re5 Bc4 27.Rce1 Re6 28.f4 Re5 29.fe5 Be6 30.Kf2 Nc4 31.Ra1 Nd2 32.Ke3= Nc4 33.Ke4 Nd2 34.Kd3 Nc4 35.Ke4 Kh7 36.d5+= Bd7 37.Kd4 Na5 38.Re1 Nb3 39.Ke4 Nc5 40.Kd4 ½–½. Cortijo Dominguez,D – Molina Rodriguez,JI, Valladolid CC Social Velasco, 1994. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.c4 0-0 8.cd5 ed5)

9.d4 Bb6 10.Bd3 Bg4 11.Nbd2 Ba5 12.Be2 Ne4 13.0-0 Rc8 14.Ne4 de4 15.Nd2 Bf5 (15...Be2 16.Qe2 Bd2 17.Qd2+=) 16.Nb3 (16.Rc1 Qh4=) 16...Bc7+= 17.Nc5 b6 18.Nb3 Qh4 19.g3 Qe7 20.Bg4 Bg4 21.Qg4 f5 22.Qe2 Rfd8 (22...Qe6 23.Nd2+=) 23.Rac1 Qd6?? (23...Qe6 24.Qc4 Qc4 25.Rc4+=) 24.Nd2?? (better is 24.Qc4 Kf8 25.Qc6+–) 24...Ne7 25.Nc4 (25.f3!? ef3 26.Qf3=) 25...Qg6 26.Rfd1 Nd5 27.Ne5 Qh6 28.Nc6? Rd6?? 29.Na7+= Ra8 30.Nb5 Rd7 31.Rc7?? Nc7–/+ 32.Rc1 Nb5 33.Qb5+= Rf7 34.a4 Qg6 35.Ba3 h5 36.Rc6= Qg4 37.Rb6 h4 38.Rb8 Rb8 39.Qb8 Kh7 40.a5 h3 41.Qb1 Rb7 42.Qc1?? Qf3–+ 43.Kf1 Qh1 44.Ke2–/+ Qf3 45.Kf1 Qh1 46.Ke2–/+ Qc1 47.Bc1+= Rb1 48.Kd2 Ra1–/+ 49.Bb2 Ra5 50.Kc3 Kg6 51.Kc4 Kf6 52.d5 Ke7 53.Bg7 Ra2 54.Kc5?? Kd7 55.Be5?? Rf2 56.d6 Rh2 57.g4 Rc2 58.Kd4 fg4 59.Ke4 h2 60.Bh2 Rh2 61.Kf4 Rg2 62.e4 Kd6 63.e5 Ke6 64.Ke3 Rg1 65.Kf2 Ra1 66.Kg3 Ra4 67.Kg2 Ke5 68.Kg3 Kf5 69.Kf2 Kf4 70.Kg2 Ra2 71.Kf1 Kf3 72.Kg1 g3 73.Kf1 Ra1 0–1. Fournier,Frederic (1660) – iromanchess (1735), Active, 2006.

9.d4 Bd6 10.Bd3 Bg4 11.0-0 h6 12.Nc3 a6 13.h3 Bh5 14.g4 Bg6 15.Bg6 fg6 16.Qb3 Qd7 (16...Na5 17.Qa2 Nc4 18.Nd5 b5 19.Nf6 Qf6=) 17.Nd5+/– Nd5 18.Qd5 Kh7 19.Ne5 Qc7 20.f4 Rad8 21.Qe6 Rf6 22.Qc4 g5 (22...Qb6 23.Qc2 Ne5 24.fe5 Be5 25.de5 Qe3 26.Rf2 Qf2 27.Qf2 Rf2 28.Kf2 Rd2 29.Kf3 Rb2+=) 23.Nc6+– bc6 24.fg5 hg5 25.Rf6 (25.Qa6 Ba3 26.Qd3 Kh8 27.Rf6 Qg3 28.Kf1 Bb2=+) 25...gf6 26.Qa6 Bh2 27.Kh1 Re8 28.Qd3 Kg7 29.Rf1 Qg3 30.Qf5 Qd6 31.Bc3?? Re3+/– 32.Bb4 Qd8 33.Rf3 Rf3 34.Qf3 Qc7 35.Bc3 Qd6 36.a4 Bf4 37.a5 Qe6 38.Qg2 Qe3= 39.Bd2 Qd4 40.Bf4 gf4 41.Qc6 Qd1 42.Kg2 Qe2 43.Kg1 Qe3 44.Kg2 Qe2 45.Kg1 Qe3 ½–½. Wall,Bill – Henri, Microsoft Gaming Zone, 2003.

9.d4 Bd6 10.Be2 Qb6 11.Qc2 (11.Nc3 Bf5 12.Na4 Qa5 13.Nc3 Rac8+=) 11...Bf5!–/+ 12.Qc1 (12.Qf5 Qb2 Deflection) 12...Rac8 13.Bc3 Ne4 (13...Na5 14.Nfd2–+) 14.Qb2 Na5 15.Qb6 ab6 16.Bd2 (better is 16.Nh4!? Be6 17.Bd2–+) 16...Nb3 17.Ra2 Nbd2 (17...Ned2?! 18.Nbd2 (18.Nfd2? Bb1 19.Rb2 Nd2 20.Kd2 Be4–+) 18...Nc1 19.Ra1=) 18.Nfd2 (18.Rd2 Nd2 19.Nbd2 Rc1 20.Bd1 Ba3–+) 18...Rc1 19.Bd1 Rd1! 20.Kd1 Nf2 21.Ke2 Nh1 22.g3 Rc8 23.Rb2 Bg4 24.Kf1 Bh3 25.Ke2 Rc1 26.Rb6 Bg4 (26...Bg4 27.Nf3 Rc2 28.Kd3 Bf5 (28...Bf3?! 29.Kc2 Bf8 30.Nd2+=) 29.e4 Be4 30.Ke3 Ba3 31.Rb7 Bc1 32.Nfd2 Kf8–+) 0–1. zabazaba (1650) – akeron (1645), gameknot.com, 2015.

9.Be2 Nc6 10.0-0 Bf5 11.Nc3 d4 12.ed4 Qb6 13.Nb5 (13.Na4 Qc7=) 13...Bf4 14.a4 (14.Re1 Rfe8=) 14...a6=+ 15.a5 (15.d5!? Nd5 16.Nc3=+) 15...Na5-/+ 16.Ba3 (16.Nc3 Rfe8-/+) 16...Rfe8 (16...ab5!? 17.Bc5 Qc6 18.Bf8 Kf8 19.Re1-+) 17.Nc3 (17.Bc5 Qd8 18.Nd6 Bd6 19.Bd6 Qd6 20.Ra5 b5-/+) 17...Rad8 (17...Nb3 18.Ra2 Nd4 19.Rb2 Nf3 20.Bf3-/+) 18.d5 (18.Re1 Qc7-/+) 18...Nd5 19.Nd5 Rd5 20.d4 Qd8 (20...Qg6 21.Re1 Be4 22.Qa4-+) 21.Bc5 b6 22.Bb4 Nc6 23.Bc3 b5 (23...a5 24.Bc4 Rd7 25.Bb5-/+) 24.Bd3 (24.Ra6!? Re6 25.Ra2-/+) 24...Bg4 25.Ra6 Nd4 (better 25...Ne5 26.Be2 Nf3 27.Bf3 Bh2 28.Kh1 Bb8-+) 26.Ba5?? (better 26.Bd4 Bf3 27.Qf3 Rd4 28.Bb5 Bh2 29.Kh2 Qb8 30.g3 Qb5 31.Ra8-/+) 26...Qc8 27.Re1 Re1 28.Qe1 (28.Be1 Qa6 29.h4 Qe6-+) 28...Bf3 (better 28...Nf3 29.gf3 Rg5 30.Qe8 Qe8 31.fg4 Qc8-+) 29.Bb6 (29.Bf1 Rg5 30.Ra7 Bg2 31.Bg2 Qc6-+) 29...Ne2! 30.Be2 Qa6 (better 30...Bh2!? 31.Kh1 Be2 32.Ra1-+) 31.Bf3 Re5 32.Be3 (32.Qa5 Re6 33.Bd8 Qa5 34.Ba5 Ra6-+) 32...Be3 33.fe3 Qe6 (33...Qh6 34.Kf2-+) 34.e4 (34.Kf2-+) 34...f5 35.Qd1 (35.Qe3 b4-+) 35...fe4 36.Bg4 Qe8 37.Qb3 Kh8 38.Be2 e3 39.h3 Qe7 40.Qc3 h6 41.g4 Kh7 42.Bd3 (42.Qb3 Qh4 43.Qf7 Qe1 44.Qf1 Qf1 45.Kf1 Kg6-+) 42...g6 43.Be2 Kg7 (43...b4 44.Qb3-+) 44.h4 (44.Bb5 Qf6 45.Be2-+) 44...b4 45.Qb2 Qf6 46.Bd3 (46.Kg2 h5 47.Qd4 b3-+) 46...Qf2! 47.Qf2 ef2 48.Kf2 Rd5 49.Bc4 (49.Be4 Rd2 50.Ke3 Rh2-+) 49...Rc5 50.Bb3 Rc3 51.Ba4 b3 52.Ke2 (52.Bb3 Rb3 53.Ke2 Rh3-+) 52...b2 53.Kd2 Ra3 (better 53...b1Q 54.Kc3 Qa1 55.Kb4 Qd4 56.Kb3 Qd1 57.Ka3 Qg4 58.Bc2-+) 54.Bc2 Rg3 55.Bb1 (55.g5 hg5 56.hg5 Rg5-+) 55...Rg4 56.h5 Rh4 (56...gh5!? 57.Kc2-+) 57.hg6 Rg4 58.Kc3 (58.Kc3 h5 59.Bf5-+). carlos78 (2275) - luis_alfredop (2075), Rated Blitz game, lichess.org, 2015.

9.Be2 Bf5 10.0-0 d4 11.Qc1 Bb6 12.d3? (better 12.Bb5 Rc8 13.Qd1=+) 12...de3-+ 13.fe3 Re8 14.d4 Nd5 15.Bb5 Rc8 16.Qd2 Re3 (16...Ne3 17.Rf2 Nc2 18.Ra2-+) 17.Bc6 (17.Qf2 Rf3 18.gf3 Nf4-+) 17...bc6 (17...Rc6 18.Rf2-+) 18.Kh1 (18.Qf2 Qf6-+) 18...Qe7 (better 18...Ba5!? 19.Qf2 Bd3 20.Bc1-+) 19.Ne5 Be6 (better 19...Qe6!? 20.Nc3 Ba5-+) 20.Nc3=+ Qg5 (20...Re5 21.de5 Ne3 22.Rf4=+) 21.Nd1?? (better 21.Nc4 Nc3 22.Ne3=) 21…Re5!-+ (21...Re5 22.Qg5 Rg5-+) 0-1. bambohenk (1860) - sergejstrashni (1855), gameknot.com, 2017.

9.Bf6 gf6 10.d4 Bd6 11.Qb3 +=.

9.Bf6 Qf6 10.Nc3 Be6 +=.

9.Bf6 Qf6 10.d4 Bd6 11.Nbd2 Bg4 12.Be2 Rac8 13.0-0 Qh6 14.Re1 Rfe8 15.Nf1 a6 16.Ng3 f5 (better is 16...Bg3!? 17.hg3 Qh5+=) 17.Qb3+= f4 18.Qd5 Kh8 19.ef4 Bf4 20.Bf1 (20.Rad1 Bg3 21.hg3 Qf6+=) 20...Be6 (better is 20...Red8!? 21.Qb3 Bf3 (worse is 21...Nd4 22.Nd4 Rd4 23.Qb7+/–) 22.Qf3 Rd4=) 21.Qh5+= Qf6 22.Ne4 Qf8 23.d5 Bf7 (better is 23...Bf5!? 24.Neg5 Bg6+/–) 24.Qf5+– Be5? (24...Bh2 25.Kh2 Ne7+–) 25.Ne5 (better is 25.Neg5!? Bg8 26.Qf8 Rf8 27.Ne5 Bd5+–) 25...Ne5?? (better is 25...Re5 26.Qc8 Qc8=) 26.Ng5+– g6 27.Qf6 (better is 27.Qf4 Bd5 28.Qf8 Rf8 29.Re5+–) 27...Qg7 28.Nf7 Nf7 29.Qg7 Kg7 30.Re8 Re8 31.g3 Rd8 32.Bg2 Rd6 33.Rb1 b6 34.Rc1 Ne5 35.Rc3 b5 36.f4 Nc4 37.a4! Kf6 (37...ba4 38.Rc4 Deflection) 38.ab5 ab5 39.Rb3 Rb6 40.Kf2 Ke7 41.h4 b4 42.Ke2 Na5 43.Re3 Kf6 44.Be4 b3 0–1. orangutandu – robini, 2013.

9.Bf6 Qf6 10.d4 Be6 11.Nc3 +=.

9.Bf6 Qf6 10.d4 Bg4 11.Be2+= Rac8 12.Ra2 (12.Nc3 Bf3 13.Bf3 Nd4 14.ed4 Bd4 15.Nd5 Qe5 16.Qe2 Ba1 17.Qe5 Be5 18.Ne7 Kh8 19.Nc8 Rc8+=) 12...Bb6 (12...Be7 13.0-0–/+) 13.h3 Ba5 (13...Be6 14.0-0+=) 14.Nbd2+= Be6 (14...Bf5 15.Qb3+=) 15.Bd3 Rc7 (15...g6 16.0-0+=) 16.0-0= Rfc8 17.Nb3 (17.Qb1 g6=) 17...Bb6 18.Kh1 (18.Rc2 g6+=) 18...Qh6 (18...g6 19.Rc2+=) 19.Nh2 (19.Rc2 f6+=) 19...Na5 (19...Ne7 20.a4 a5 21.Rb2+=) 20.Na5+= Ba5 21.f4 (21.Ng4 Qh4+=) 21...g6 22.Raf2 f5 (22...Qh4 23.Kg1 Rc1 24.Qc1 Rc1 25.Rc1–/+) 23.Nf3 Qf8 24.Ng5 (24.Qa4!? b6 25.Ne5+=) 24...Bd7–/+ 25.g4 h6 (25...Qa3 26.gf5 h6 27.Ne6+=) 26.Nf3+= Be6 (26...Qa3 27.Ne5 Rc3 28.Rg2=) 27.Ne5= Rg7 28.Rg1 Rcc7 29.Qa4 Bb6 30.Rfg2 Qd8 31.Qb5+/– Kf8? 32.a4+– Rce7 33.gf5 +–. Rausis – Tantsis, Ikaria, 1993. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.e3 0-0 7.c4 Nc6 8.cd5 ed5)

9.h3 Bf5 10.Nc3 d4 (10...Rc8!?+=) 11.Na4= b6 12.Nc5 (12.Rc1 Qe7=) 12...bc5+= 13.Bc4 (13.Rc1 Qb6 14.Ba1 Qa5+=) 13...Na5 14.Ba2 Rb8 15.Bc1 de3 16.fe3 Ne4 (16...c4 17.0-0 Bd3 18.Ne5 Bf1 19.Qf1–+) 17.0-0+= Qf6 18.d4 Rfd8 (18...Ng3 19.Rf2 Nc6=) 19.Ne5+/– c4 20.g4 (20.Nc4 Nc4 21.Bc4+=) 20...Ng3 (20...Qh4 21.Qf3 Ng5 22.Qf5 Qg3 23.Kh1 Qh3 24.Kg1 Qg3 25.Kh1 Qh3 26.Kg1 Qg3 27.Kh1 Qh3=) 21.Rf2?? (better is 21.gf5 Nb3 22.Rb1 Nc1 23.Rc1+/–) 21...Qe5!–/+ 22.gf5 (22.de5 Rd1 Pinning (22...Rd1 Deflection)) 22...Qe4 23.Bd2?? (better is 23.Qf3 Qf3 24.Rf3–/+) 23...Qh1 0–1. zabazaba – dioc, gameknot.com, 2015.

10.Bb5?? Qb6 11.Qb3 Na5–+.

10.Bb5?? Bg4 11.Bc6–/+ bc6 12.0-0 Qd5 (12...Ne4!?–/+) 13.h3 (13.ed4 Bb6=+) 13...Bh5 (13...Bf3 14.Qf3 Qf3 15.gf3=+) 14.Bd4 (14.ed4 Bf3 15.Qf3 Qf3 16.gf3 Rab8=+) 14...Bd4 15.ed4 Bf3 (15...Rad8 16.Nc3 Qf5 17.Re1=) 16.Qf3 Qd4 (16...Qf3 17.gf3 Rfd8 18.Rc1=) 17.Nc3= Nd5 (17...Rfe8 18.Rab1=) 18.Nd5 cd5 (18...Qd5 19.Qd5 cd5 20.Rfc1=) 19.Rab1 Rab8 (19...Rae8 20.d3=) 20.Qe3 Qe3 (20...Qa4 21.Qc5=) 21.fe3 (21.de3 g6+=) 21...Rfd8 (21...g6 22.Kf2=) 22.Kf2 g6 23.Ke2 Rb1 (23...Kg7 24.g4=) 24.Rb1+= d4 (24...Rd6!?+=) 25.e4+– Rd6 26.Rb4 (26.a4+–) 26...a5 (better 26...h5!?+–) 27.Rb5+– a4 (27...Kg7 28.a4+–) 28.Rd5 Rd5 (better 28...Ra6+–) 29.ed5 f5 (29...Kf8 30.Kd3 Ke7+–) 30.Kd3 Kf7 31.Kd4 Kf6 (31...g5 32.Ke5 f4+–) 32.h4 h6 (32...Ke7 33.Ke5 Kd7 34.Kf6+–) 33.d3 g5 (33...f4 34.Ke4 g5 35.hg5 hg5 36.d4+–) 34.hg5 (better 34.Kc5!? Ke7 35.d6 Kd7 36.hg5 hg5+–) 34...hg5 35.g3 (35.Kc5!? Ke7 36.Kc6 Kd8+–) 35...g4 (35...f4 36.gf4 gf4+–) 36.d6 Ke6 (36...f4 37.gf4 Ke6 38.Ke3 Kd6 39.Kf2+–) 37.d7! Kd7 38.Ke5 Kc6 39.Kf5 Kd5 40.Kg4 Kd4 41.Kf5 Kd3 (41...Kc3 42.d4! Kc4+–) 42.g4 Kc3 43.g5 Kb3 44.g6 Ka3 45.g7 Kb2 46.g8Q a3 47.Qg2 Kb1 (47...Kb3 48.Qd5 Kb2 49.Qb5 Kc3 50.Qa4 Kd3 51.Qa3 Kc4 52.Qa4 Kd5 53.Kf6 Kc5 54.Ke6 Kb6 55.Kd6 Kb7 56.Qa5 Kb8 57.Kc6 Kc8 58.Qc7) 48.Ke4 a2 49.Kd3 a1Q (49...a1N 50.Kc3 Nc2 51.Qc2 Ka1 52.Qb2) 50.Qc2 1–0. Janek – Erberg, internet free game, 2017.

10.Qc2 Qb6 11.0-0 Be6 12.ed4 Bd4 13.Nc3 Bb3 14.Qf5 Be6 15.Qb5 Qb5 16.Bb5 Rfd8 17.Rac1 Rac8 18.Rfe1 h6 19.Bc6 Rc6 20.Nd4 Rd4 21.Nb5 Rd2= 22.Bf6 gf6 23.Rc6 bc6 24.Na7 c5 25.Rc1 c4 26.Nb5 Rb2 ½–½. Skonieczny,Jerzy – Bourd,Evgeni, corr or01–012 E–mail, 2001.

10.Qc2 Bb6 11.Bb5!? =.

10.Qc2 Bb6 11.Nd4 Bd4 12.Bd4 Nd4 13.ed4 Re8 14.Nc3 Bg4 15.f3 Be6 16.Qa4 b5 (16...a6!?+=) 17.Qb5= Qd4 18.Qd3 Qh4 19.g3 Qh3 20.Kf2 Rad8 21.Qc2 Qh6 22.Rad1 Bh3 23.a4 (23.Qc1 Ng4 24.Ke1 Qf6–+) 23...Ng4 24.fg4 Qc6 25.Rdf1 Qc5 26.Ke1 Re2 27.Ke2 0–1. Janek – Damian, internet, 2016.

10.Qc2 Qd6 11.0-0 Rd8 12.ed4 Nd4 13.Nd4 Bd4 14.Bd4 Qd4 15.Qc3 (15.Nc3 Be6+= (15...Qd2?? 16.Rfd1 Qd7 17.Rd7 Bd7 18.Rd1+–)) 15...Qd6 16.Qg3 Bf5 17.Qd6 Rd6 18.Bf3 Be4 19.Be4 Ne4 20.Ra2 Rad8 21.Rd1 b6 22.f3 Nc5 23.Nc3 Rd3 24.Nb1 (24.Rc2 Ne6–/+) 24...g6 25.Re1 Kf8 26.Rc2 (26.Re2 f5–/+) 26...h5 27.Kf1 h4 28.Rc3 Rc3 29.dc3 Rd3 (29...Kg7 30.g3+=) 30.Ke2+= Rd5 31.Rg1 (31.Rd1 Rd1 32.Kd1 Ke7+=) 31...Ke7 (31...Re5 32.Kd2–/+) 32.g3+= hg3 33.hg3 Ne6 34.Ke3 Rb5 35.Kd2 (35.Nd2 Ra5 36.Ra1 Re5 37.Kf2 Nc5+=) 35...Rb2 (35...Ng5 36.Re1 Kf8 37.Rf1–/+) 36.Ke3+= Ra2 37.Kd3 Nc7 38.Kc4 Kd6 39.Rd1 Kc6 40.Kb3 Rg2 (40...Re2 41.Nd2–/+) 41.g4 (41.Nd2 Rg3 42.Nc4 Ne6 43.Ne5 Kb5 44.c4 Ka5 45.Nc6 Ka6 46.Nb4 Kb7 47.Rd7 Kc8 48.Ra7 Rf3 49.Kc2 g5–/+) 41...Rf2–/+ 42.Rd3? (better is 42.Nd2!? Ne6 43.Kc4–/+) 42...Ne6–+ 43.Re3 Ng5 44.Re5 Nf3 45.Re7 a6 46.Ra7 (46.c4 a5–+) 46...a5 47.a4 Ne5 48.Na3 Ng4 49.Nb5 (49.Re7 Rf6–+) 49...Ne5 50.Rc7 Kd5 51.c4 Ke6 52.Nd4 Kf6 53.Rb7 Rd2 (53...Kg5!? 54.Kc3 Ra2 55.Rb6 Ra3 56.Kc2 Nc4 57.Rb5 f5 58.Rc5 Ra4 59.Nc6 Ne3 60.Kc3–+) 54.Rb6–/+ Kg7 55.Nc2?? (55.Rb5 Rd3 56.Kc2 Rd4 57.Re5 Rc4 58.Kb3 Rb4 59.Ka3–+) 55...Rd3–+ 56.Kb2 Nc4 (56...Nc4 57.Kc1 Nb6–+) 0–1. Tagirov,Kajum K (1920) – Khaziev,Robert (2165), Cup Ufa, 2008.

10.Bc4 Bg4 11.h3 Bh5 12.g4 Bg6 13.0-0 Rc8 14.Re1 Re8 15.Nh4 Be4 16.f3 (16.d3!? Ne5 17.de4 de3 18.fe3 Qd1 19.Bf7 Kf7 20.Rd1 Be3 21.Kf1–/+) 16...Bd5 17.Bd5 Nd5 18.ed4?? (18.Nf5 de3 19.de3–+) 18...Qh4 19.dc5 (19.Re3 Qg3 20.Kh1 Re3 21.de3 Ne3 22.Qe2 Nd4 23.Bd4 Qh3 24.Kg1 Bd4 25.Ra2 Ng4 26.Qe3 Rc1) 19…Re1 0–1. orangutanb4 (2010) – yagami4649 (1855), 2012.

9.Nc3 Qd8 10.d4 Bb6 11.Bd3 Ne7 12.0-0 Ng6 13.h3 Bd7 14.a4 a6 15.Ba3 Re8 16.Bg6 (16.Rb1 Bc6+=) 16...hg6+= 17.Re1 (17.Qb3!?+=) 17...Rc8= 18.Qd3 Ba5 19.Rec1 Bc3 20.Rc3 Bc6 (20...Rc3!? 21.Qc3 Ba4=+) 21.Rac1+= Nd5 22.Rc5 Ne7 23.Ne5 f6 (23...Ba4!? 24.Rc8 Nc8+/-) 24.Ng6+- Kf7? (better 24...Ng6 25.Qg6 Qd7+-) 25.Ne7 Re7 26.Rc6 bc6 27.Be7 Ke7 28.Qa6 Qd6 (28...Kd6+-) 29.Qc8 Qa3 30.Qc6 Kf7 31.a5! Kg6 (31...Qa5 32.Qc7 Double attack (32.Qd7 Deflection; 32.Qc7 Decoy)) 32.a6 (32.Qe4 Kf7 33.Rc7 Qe7 34.Re7 Ke7 35.Qb7 Kf8 36.a6 Kg8 37.a7 Kh7 38.a8Q Kg6 39.Qe8 Kg5 40.Qg7 Kf5 41.Qg4) 32...Kh6 33.Rb1 Qa2 34.Qb5 (34.Qb7 Qc2 35.a7 Qg6 36.a8Q Qh7 37.Rb5 Qb1 38.Rb1 e5 39.Qh8 Kg5 40.Qbg7 Kf5 41.Qg4) 34...f5 35.Qb6 g6 36.a7 (36.a7 Qa4 37.Qb8 g5 38.a8Q Qa8 39.Qa8 Kg7 40.Rb7 Kf6 41.Qg8 e5 42.Qf7) 1-0. Darkseid (1775) - juicy_plums (1865), ChessWorld.net, 2006.

9.Nc3 Qd8 10.d4 Be7 11.Bd3 Qc7 (11...b6 12.0-0=) 12.0-0 Rd8 13.Rc1 Qb6 14.Na4 Qa5 15.Re1 Bd7 (15...e5 16.Ne5 Ne5 17.de5+=) 16.Nc5 Bc5 (16...Qb6 17.Qe2+=) 17.Rc5+– Qb6 18.Qe2 a6 19.Rb1 Qa7 20.Rbc1 Rac8 21.g3 (21.e4 b6 22.R5c2 b5+–) 21...Qb8 22.Qd2 (22.e4 Ne7+=) 22...Ne7 23.Ne5 Rc5 24.Rc5 Rc8 25.Qc3 Nc6 (25...Bc6!?+=) 26.Nd7+– Nd7 27.d5 f6 28.dc6 Nc5 29.Qc5 Rc6 30.Qh5 h6 (better 30...f5+–) 31.Qg6 Qc7 (31...Kf8 32.Qh7 Qc7+–) 32.Qe8 1–0. Janek – Seniores, internet, 2018.

9.Nc3 Qd8 10.Be2 Bd7 11.0-0 Rc8 12.d4 Be7 13.Rc1 Na5 14.Bd3 Nc4 Attacks the isolani on a3 15.Bc4 Rc4 16.Qd3 Rc8 17.Ne5 a6 18.Nd7 Qd7 19.Ne4 Qa4 20.Nf6 Bf6 21.h3 Rc6 22.Rc6 Qc6 23.Rc1 Qd5 24.Qc4 Qe4 25.Qc2 Qd5 26.Qc4 h6 (better is 26...Qe4!?=) 27.Qd5+/– ed5 28.Rc7 1–0. Fournier,Frederic – adiro, Active, 2007.

9.Be2 Qd8 10.0-0 Bd7 11.d4 Bb6 12.Nbd2 Rc8 13.Rc1 Ne7 14.Qb3 Ned5 (14...Bc6 15.Ne5+=) 15.Rc8 Qc8 16.Rc1 Qb8 17.Ne5 Rc8 18.Nd7 Rc1 19.Bc1 Nd7 20.Bb2 Qc7 21.Qc4 Qc4 22.Nc4 a6? (22...Bc7 23.e4 Nf4 24.Bf1+=) 23.Bf3 (23.Nd6 a5+–) 23...Ba7 (23...Bc7!?+=) 24.Na5 b5 25.Nc6 Bb6 26.Bd5 ed5 27.Nb4 Nf6 28.Na6 Ba5 29.Kf1 Kf8 30.Ke2 Ke7 31.Kd3 Kd6 32.f3+/– Nd7 33.e4 de4 34.fe4 g5 35.Nb4 Bb4 36.ab4 f6 37.g3 h5 38.h4 g4 39.Bc1 Nb6 40.Bf4 Ke6 41.d5 Kd7 42.Kd4 Nc4 43.Kc5 Na3 44.Bc1 Nc2? 45.Kb5 Nd4 46.Kc4 Ne2 47.Bf4?? Nf4–+ 48.b5 1–0. Fournier,Frederic (1815) – tricicle (1765), Active (2/1), 2005.

9.Bf6 gf6 10.Nc3 Qd8 +=.

9.Qc2 Be7 10.Nc3 Bf6 11.h4 (11.d4 Be7+=) 11...Nc3 12.Bc3 Bc3 13.Qc3 Qf6 (13...Bd7 14.Qb2=) 14.d4 (better 14.Qf6!? gf6 15.d4+/-) 14...Bd7= 15.Bd3 Rfc8 16.Qb2 (16.Qc5 h6=) 16...Rc7 17.Ng5 h6 18.Ne4 Qe7 19.g4 f5 20.gf5 ef5 21.Nc3 Rcc8 (21...Be6!?=) 22.Nd5+= (22.Qb7 Rab8 23.Qa6 Nd4 24.Qa7 Nf3 25.Kf1 Qd8-/+ (25...Nh4?! 26.Nd5 Qd6 27.Rh4 Qd5 28.Qd4=)) 22...Qd6 23.Nf4 Ne7 (23...Re8 24.Be2+=) 24.Qb3 (24.Rg1 b5+/-) 24...Kh8 (24...Kh7 25.Rg1+/-) 25.Rg1 Be8 26.Kd2 (26.Qb7 Rab8 27.Qa7 Ra8+/-) 26...Qf6 27.Qe6 Rc6 28.Qf6 Rf6 29.Rac1 Bc6 30.Rc5 Rd8 31.Re5 Rd7 32.h5 Kg8 (32...b6 33.Re6 Be4 34.Be4 fe4 35.Re4+-) 33.Bc4 (33.Ne6 Nd5+-) 33...Kh7 34.Be6 Rd6 35.Ng6 (35.Ke2!?+-) 35...Rde6? (better 35...Be4 36.Bf5 Rf5 37.Re7 Rf2 38.Ke1 Ra2+/-) 36.Re6+- (36.Re6 Nd5 37.Re5+-; 36.Ne7?! Be4+/-) 1-0. Janik,Igor (2495) - Marczuk,D (2290), ch-POL Academic Team, 2021. (=1.a3 A00: Irregular Openings 1...Nf6 2.Nf3 c5 3.b4 e6 4.bc5 Bc5 5.e3 0-0 6.Bb2 Nc6 7.c4 d5)

9.Nc3 a6 10.Bc4 (10.Nd5!? ed5 11.Bd3=) 10...Nc3+= 11.Bc3 Be7 12.0-0 Bf6 (12...b5 13.Bb3=) 13.Bf6 Qf6 14.d4 b5 15.Bd3 Bb7 16.Qc2 h6 17.Rfc1 Rac8 18.Qe2 Na5 19.Rab1 Bf3 20.Qf3 Qf3 21.gf3 Nc4 22.Bc4 Rc4 (worse is 22...bc4 23.Rb6+=) 23.Rc4 bc4 24.Rc1 Rc8 25.Kf1 f5 26.Ke2 Kf7 27.Kd2 Ke7 28.Kc3+= Kd6 29.Rb1 Rc6 30.Rb4 Kd5 31.h4 g5 32.hg5 hg5 33.a4 g4 34.fg4 fg4 35.a5 e5 36.de5 Ke5 37.Rc4?? Rg6 38.Rb4+/– g3 39.fg3+– Rg3 40.Kd3 Rg6 41.Rb6 Rg1?? 42.Ra6+– Rd1 43.Ke2 Ra1 44.Ra8 Ke4 45.Re8 Kd5 46.e4 Kd4 47.Rd8?? Ke4= 48.Re8 Kd4 49.Rd8 Kc5 ½–½. Fournier,Frederic (1955) – Nahal (1910), Active (5/0), 2004.

9.Nc3 b6 10.Nd5 ed5 11.Be2 Bg4 12.0-0 Bf3 13.Bf3 f5? (13...Qg5 14.Qa4 Ne7 15.Rfc1+=) 14.Rc1 (better is 14.d4!? Be7 15.Qb3+–) 14...Na5+/– 15.Be2 (15.Qc2 Qd7+/–) 15...d4 16.ed4 Bd4 17.Bd4 Qd4 18.Bf3 Rae8 19.Re1 Nc4 20.Qb3 b5? (better is 20...Re1 21.Re1 Kh8+=) 21.d3+– (21.Qb5?! Re1 22.Re1 Nd2 23.Qd5 Qd5 24.Bd5 Kh8+/–) 21...Re1 22.Re1 Qb2 23.Bd5 Kh8 24.Bc4 Qd2 25.Qb4 Qb4 26.ab4 bc4 27.dc4 Rc8 28.g3 h6 29.c5 Kg8 30.Kg2 Kf7 31.Kf3 Rb8 32.Rb1 a5 33.b5 a4? 34.b6 a3 35.Ra1 Rc8 36.Ra3 Rc5 37.Ra7 Kf6 38.Rc7 Rb5 39.b7 Kg5? 40.Rg7 Kh5 41.Rc7 Rb3 42.Kf4 Rb5 43.f3 Rb2 44.h3 Rb4 45.Ke5 Rb5 46.Kd6 Rb6 47.Kc5 Rb1 48.Kd6 Rb6 49.Kd7 f4 50.g4 Kh4 51.Kc8 h5 52.gh5 Kh3 53.b8Q Rh6 54.Rc4 Kg3 55.Qf4 Kf2 56.Qh6 Ke2 57.Qd6 Kf2 58.Re4 Kg2 59.f4 Kh3 60.f5 Kg2 61.Qd3 Kh2 62.Re2 Kg1 63.Qd1 1–0. Fournier,Frederic (1795) – getaferuben, Active, 2006.

9.Nc3 Nc3 10.Bc3 b6 11.Be2 Bb7 12.0-0 Qc7 13.d4 Bd6 14.h3 Rad8 15.Qc2 Ne7 16.Rfc1 Qd7 17.Bb2 Rc8 18.Qb3 Rc1 19.Rc1 Rc8 20.Rc8 Qc8 21.Nd2 Bd5 22.Qd3 h6 23.f3 Ng6 24.Bd1 Bg3 25.Qc2 Qc2 26.Bc2 e5 27.Bg6+/– fg6 28.de5 Kf7 29.e4 Bb7 30.Nf1 Bf4 31.g3 Bg5 32.Kf2 Ke6 33.h4 Be7 34.Nd2 g5 35.hg5 Bg5 36.f4 Be7 37.Kf3 g6 38.Nb3 Bc5 39.a4 Bc6 40.a5 Ba4 41.ab6 Bb6+= 42.Nd4 Bd4 43.Bd4 a6 44.Ke3 Bb5? 45.Bb6 Bc4 46.Kd4 Bb5 47.Bc7 Be2 48.Ba5 Bb5 49.g4+– h5 50.gh5 gh5 51.f5 Kf7 52.Be1 Bc6 53.e6 Ke8?? 54.Ke5 Bb5 55.Kf6 Bd3 56.e5 Bf5 57.Kf5 Ke7 58.Bh4 Ke8 59.Kf6 a5 60.Kg6 a4 61.Kh5 a3 62.Be1 Ke7 63.Bc3 Ke6 64.Kg5 a2 65.Kf4 Ke7 66.Kf5 Ke8 67.Ke6 Kf8 68.Kd7 Kf7 69.e6 (69.e6 Kg8 70.e7 Kh7 71.e8Q Kh6 72.Bd2 Kg7 73.Qe7 Kg6 74.Ke6 a1Q 75.Qf7) 1–0. Fournier,Frederic (1725) – ruso3 (1690), Active, 2006.

9.Nc3 Be7 10.Be2 Nc3 11.Bc3 Bf6 12.Bf6 Qf6 13.d4 b6 14.0-0 Bb7 15.Rc1 Rac8 16.Qd3 Rfd8 17.Qb3 Qe7 18.Qb2 Na5 19.Rc8 Rc8 20.Rc1 Qd7 21.Ne5 Qd8 22.Bf3 Bf3 23.Nf3 Rc7 24.Rc7 Qc7 25.h3 h6 26.Ne5 f6 27.Nf3 Qc4 28.Nd2 Qd3 29.Nf1 Qb3 30.Qb3 Nb3 31.f3 Kf7 32.Kf2 Ke7 33.Ke2 Kd6 34.Nd2 Nd2 35.Kd2 b5 36.Kc3 a5 37.e4 f5 38.g4 g6 39.h4 Kc6 40.gf5 gf5 41.h5= Kd6 42.Kd3 Ke7 43.d5? ed5–+ 44.ed5 Kd6 45.Kd4 b4 46.ab4 ab4 47.Kc4 b3! 48.Kb3 Kd5 49.Kc3 Ke5 50.Kd3 Kf4 51.Ke2 Kg3?? 52.Ke3= Kh4 53.Kf4 Kh5 54.Kf5 Kh4 55.f4 Kg3 56.Kg6 Kf4 57.Kh6 ½–½. Fournier,Frederic (1790) – guest35, Active (5+0), 2012.

9.Nc3 Nce7 10.Qc2 Bd6 11.Bc4 Nc3 12.Qc3 (12.Bc3?! Nd5=; 12.dc3?! Qc7 13.Bd3 Ng6=) 12...f6 13.0-0 Bd7 14.Qb3 Kh8 15.Be6 (15.Qb7? Rb8 16.Qa7 Rb2–+) 15...Bc6 16.Nd4 Qc7 17.f4 Bd7 18.Rac1 Qd8 19.Qb7 Rb8 20.Qa7 Rb2 21.Bd7 Rd2 22.a4 Nd5 23.Rc8 Qe7 24.Rf8 Qf8 25.Rc1 (25.Rc1 Ne7 26.Qa5+–) 1–0. b4_player – bambi, casual, 2013.

9.Nc3 Re8 10.d4 Bb6 11.Bd3 Ba5 12.Qc2 Qc7 13.0-0 (worse is 13.Bh7 Kh8 14.Be4 Nc3 15.Bc3 Nd4 16.ed4 Qc3 17.Ke2 e5 18.de5 f5 19.Qc3 Bc3=) 13...Nc3 14.Bc3 Bc3 15.Qc3 Qe7 16.Rfc1 Bd7 17.Qc2 h6 18.a4 (18.Rab1 b6+/–) 18...Rac8 19.Qb3 Na5 20.Qb2 Bc6 21.Ne5 Bd5 22.Rc8 Rc8 23.Rc1 Rc1 24.Qc1 Nc6 25.Nc6 Bc6 26.Bb5 Qd6 27.Bc6 Qc6 28.Qc6 bc6 29.Kf1 Kf8 30.Ke2 Ke7 31.Kd3 Kd6 32.Kc4 f5 33.f4 g5 34.g3 a5 35.h4 gf4 36.gf4 h5 37.Kb3?? Kd5–+ 38.Kc3 Ke4 39.Kc4 Ke3 40.Kc5 Kf4 41.Kc6 Ke4 42.Kb5 f4 43.Ka5 f3 44.Kb6 f2 45.a5 f1Q 46.a6 Qa6! 47.Ka6 Kd4 48.Kb6 Ke4 49.Kc5 Kf4 50.Kd4 Kg4 51.Ke5 Kh4 52.Ke6 Kg3 53.Ke5 h4 54.Ke4 h3 55.Ke3 h2 56.Ke2 h1Q 57.Ke3 Qd5 58.Ke2 Qb3 59.Kd2 Kf3 60.Kc1 Qa2 61.Kd1 Ke3 62.Kc1 Qd2 63.Kb1 ½–½. Fournier,Frederic (1860) – luixete (1640), Active, 2008.

9.d4 Bd6 =.

9.d4 Be7 10.Bd3 b6 (better is 10...Qb6!? 11.Qe2 Bd7=) 11.Qc2+/– Bb7 12.Bh7 Kh8 13.Bd3 Rc8 (13...Bd6 14.Qe2+/–) 14.Nc3 (14.Qe2!?+/–) 14...Na5= 15.0-0 Rc7 (15...Nc3!? 16.Bc3 Bf3 17.gf3 Qd5=) 16.Ne5+/– Qa8 (better is 16...Kg8!?+/–) 17.Qe2+– g6 (17...Nf6 18.f4 a6+–) 18.Nb5 Rcc8 (18...Rc6 19.Qg4 Qd8 20.Nc6 Nc6 21.Rac1+–) 19.Bg6! a6 (19...fg6 20.Ng6 Double attack (20.Qg4 Decoy)) 20.Qh5 Kg7 21.Qh7 Kf6 22.Nd7 Kg5 23.Qh5# 1–0. Wall,Bill – NationAmby, Microsoft Gaming Zone, 1999.

9.Be2 a6 10.0-0 Ba7 11.Nc3 Nc3 12.Bc3 f5 13.d4 f4 14.Qc2 fe3 15.fe3 Bd7 16.Bd3 g6 (16...h6 17.Bh7 Kh8 18.Be4+/–) 17.Rae1 (17.Bg6 Qe7 18.Be4 Rac8+–) 17...Rc8 (17...Qe7 18.Qb3+/–) 18.Qb2 (better is 18.Bg6!? Qe7 19.Be4+–) 18...b5+= 19.e4 (19.Be4 Bb8+/–) 19...Ne7 (19...e5!? 20.Kh1 ed4 21.Nd4 Rf1 22.Rf1 Bd4 23.Bd4 Nd4 24.Qd4 Be6=) 20.Kh1 Qc7 21.Bb4 Rf7 22.Rc1 Qb6? (22...Qb7 23.Ng5 Rg7 24.Qf2+–) 23.Rc8 (better is 23.Ne5!? Qd4 24.Qd4 Rf1 25.Rf1 Bd4 26.Nd7+–) 23...Bc8+/– 24.Bc5 Qb7 25.Qb4 (25.Ba7 Qa7 26.Rc1 Rf4+/–) 25...Nc6+= 26.Qc3 Bc5 27.Qc5 Na5? (27...Qd7 28.Be2+=) 28.Qb4 (better is 28.Ne5!? Rf1 29.Bf1+–) 28...Nc6+= 29.Qb2 Qd7 30.Rc1 Bb7 31.h3 Qd6 32.e5 Qd5 33.Rc5 Qd8 34.Be4+= Rc7 35.Bc6 Rc6= 36.Qc3 Rc5 37.Qc5 Bf3 38.gf3 Qa5 39.Kg2 Kf7 40.Qb4 Qb4 41.ab4 Ke7 42.f4 Kd7 43.Kf3 1–0. Fournier,Frederic – killerer, Active (4/0), 2005.

9.Be2 Bd6 10.Nc3 +=.

9.Be2 Bd6 10.d4 +=.

9.Be2 Bd7 10.0-0 a6 11.Nc3 (11.d4 Bd6=) 11...Nce7 (11...Nc3 12.Bc3 Qe7 13.Qc2=) 12.Ne4 Ba7 (12...Bb6 13.Rc1=) 13.Rc1 (13.d4 Bc6+=) 13...Bc6= 14.Nc5 (14.Qb3 Re8+=) 14...Ng6 (14...Bc5 15.Rc5 Qd6 16.d4=) 15.Qb3+= The backward pawn on b7 becomes a target 15...Rb8 (15...Qb6 16.Qb6 Bb6 17.Nd4+=) 16.d4 h6 (16...Bc5 17.Rc5 Qd7 18.Rb1+=) 17.Bd3 (17.Rfe1 Bc5 18.Rc5 Qd7+=) 17...Nge7 (17...Nh4 18.Nh4 Qh4 19.Rc2+=) 18.Ne5 Be8 (18...Qe8 19.Nc6 bc6 20.Qc2 Bc5 21.dc5+–) 19.g3 (better 19.Nb7!? Qb6 20.Qb6 Bb6 21.Nd6+–) 19...Bc5+= 20.Rc5 Nc6 (20...f6 21.Nf3+=) 21.Rfc1+– Ne5 22.de5 Bc6 23.h4 (23.Bd4 Qd7+=) 23...Ne7 (23...Qd7 24.Bb1+=) 24.Qc2 (24.Bb1 Rc8+=) 24...Qb6 (24...Rc8 25.Qe2=) 25.Bd4+= Qd8 26.Rd1 (26.Qb2 Rc8+=) 26...Nd5 (26...Bf3 27.Rd2=) 27.Qb2 Qd7 28.e4 Ne7 29.Rcc1 Rfd8 (29...Ba4!? 30.Rd2 b5=) 30.Bb6+– Rdc8 31.Ba6! ba6 (31...Qe8!? 32.Bd3 Ba4+–) 32.Rd7+– Bd7 33.Rd1 (33.Rd1 Ba4 34.Rd6+–) 1–0. Adlai – Daige, corr, 2018.

9.Be2 Bd7 10.0-0 Rc8 11.d4 Be7 (11...Bb6 12.Nbd2=) 12.Nbd2 Na5 (12...Rc7 13.Bd3=) 13.Bd3 Nc6 (13...f5 14.Rc1=) 14.Rc1 f5 15.Re1 Bd6 16.Nc4 Bb8 17.Nce5 Ne5 18.de5 Qb6 (18...Bc6 19.Nd4 Qb6 20.Ba1+=) 19.Rc8 (19.Qd2 Qb3+=) 19...Bc8 (19...Rc8 20.Bd4 Qa5 21.Qb3+=) 20.Bd4 (20.Qc2 Qa5+=) 20...Qd8 (20...Qa5 21.Qb3+=) 21.Qd2 (21.e4 fe4 22.Be4 b6+/–) 21...Qe7 22.e4 fe4 23.Be4 b6 24.Bb2 Bb7 (24...Rd8 25.Qd3 h6 26.Nd4+/–) 25.Qg5 Qf7 26.Qg3 h6 27.Bc1 Ne7 28.Bb7 Nf5 29.Qg4 Qb7 30.h3 Qf7 31.Rd1 Rc8 32.a4 Qe7 33.Qe4 Rd8 34.Rd2 Qc7 35.Rc2 Qf7= 36.Ba3 Qe8 37.Rc1 ½–½. Khayman,Daniel (1640) – Johnston,Jim, FICGS, 2007.

9.Be2 Bd7 10.Nc3 Nc3 11.Bc3 Bd6 =.

9.Be2 Bd7 10.Nc3 Nf6 11.Qc2 h6 12.0-0 Rc8 13.Ne4 Be7 14.Nf6 Bf6 15.Bf6 Qf6 (worse is 15...gf6 16.Qe4+/–) 16.Qa2 Na5 17.Rac1 Rc1 18.Rc1 Rc8 19.Rc8 Bc8 20.d4 b6 21.Qc2 Bb7 22.h3 Qe7 23.Qd3 Qd6 24.Ne5 Nc6 25.Nc6 Bc6 26.Bd1 Qd5 27.f3 Qb5 28.Bc2 Qd3 29.Bd3 f6 30.Kf2 Kf7 31.h4 g5 32.g3 Ke7 33.e4 Kd6 34.hg5 hg5 35.Ke3 a5 36.f4 gf4 37.gf4 e5 38.Bc4 White prepares the advance d5 38...b5 39.Bb3 b4 40.ab4 ab4 41.fe5 fe5 42.d5 Bb5 43.Bc2 Kc5 44.Bd3 b3?? (better is 44...Ba4+=) 45.Bb5+– Kb5 46.Kd2 Kb4 47.Kc1 1–0. orangutandu – kazimierzm, 2013.

9.Be2 Qe7 10.d4= Bd6 11.Nc3 (11.0-0 Rd8=) 11...b6 (11...Nc3 12.Bc3 Ba3 13.0-0=+) 12.Nb5 (12.Rc1 Bb7=) 12...Bb8 13.0-0 a6 (13...Bb7 14.Rc1=) 14.Nc3 Bb7 (14...Nc3 15.Bc3 b5 16.Qb3=) 15.Nd5+= ed5 16.Bd3 b5 (16...Bd6 17.Qb3=) 17.Qb3 (17.a4 b4+=) 17...Na5= 18.Qb4 (18.Qc2 h6=) 18...Qd8 (18...Qb4 19.ab4 Nc6 20.Bc3=) 19.Bc3 Nc6 (better 19...Nc4!?=) 20.Qb1+– h6 (20...Bc8 21.Bh7 Kh8 22.Bd3+–) 21.a4 b4 (21...Na7 22.ab5 Nb5 23.Bb5 ab5 24.Qb5+–) 22.Bb4 Nb4 23.Qb4 Ra7 (23...Bc8 24.Rab1+–) 24.Qc5 (24.a5 Bd6 25.Qb6 Qb8+–) 24...Ba8 (24...Re8 25.Rab1+–) 25.Rab1 Rc7 26.Qb6 Rc6 27.Qd8 Rd8 28.Ne5 (28.Rb2 Kf8+–) 28...Re6 (28...Be5 29.de5 Kf8 30.Rfd1+–) 29.Nd7+– Bc7? (better 29...Ba7 30.Rfc1 Bc6+–) 30.Nc5 Rf6 (30...Rc6 31.Ba6 Bd6 32.Bb5+–) 31.Na6 Bd6 (31...Ba5 32.Nc5+–) 32.Rfc1 Bc6 (32...Kf8 33.a5+–) 33.Rc6 Bh2 34.Kh2 Rc6 35.Nc5 (35.Rb7 g6+–) 35...Ra8 (35...Rc7 36.a5+–) 36.a5 (36.Rb7 Rcc8+–) 36...g6 (36...Kf8 37.Nd7 Ke7 38.Rb7+–) 37.a6 f5 (37...Rf6 38.Rb7+–) 38.Rb7 Kf8 (38...h5 39.a7 Rcc8 40.Nd7+–) 39.Nd7 Kg8 40.a7 Rcc8 (40...Ra7 41.Ra7 Rd6 42.Bc2+–) 41.Nb6 (41.Nb6 Ra7 42.Ra7+– (42.Nc8?! Rb7 43.Be2 Rb2+–)) 1–0. Janek – Anpeac, internet free game, 2017.

9.Be2 Re8 10.0-0= e5 11.h3 (11.Ne5 Ne5 (worse is 11...Re5 12.Be5 Ne5 13.d4+/–) 12.d4 Bd6 13.de5 Be5 14.Be5 Re5=) 11...Qf6 (11...e4 12.Ne1–/+) 12.Nh2 (12.Qb3!? Rd8 13.Bc4+=) 12...Qg6–/+ 13.Bg4 f5?? (13...Nf6 14.Bc8 Rac8 15.Ng4–/+) 14.Be2?? (better is 14.Bh5 Qe6 15.Be8 Qe8 16.d4 ed4 17.Nf3+/–) 14...Nf6 (14...Re7 15.Nf3 e4 16.d4–/+) 15.Kh1 (better is 15.d4 ed4 16.ed4+=) 15...Nh5?? (better is 15...Be6–/+) 16.Bh5+– Qg5 (16...Qe6 17.Be8 Qe8+–) 17.Be8 Be6 (17...Qe7 18.Bc6 bc6 19.Qc2+–) 18.Bc6 bc6 19.f4 (better is 19.Nf3 Qd8 20.Ne5 Rc8+–) 19...ef4 20.Rf4 Bd6 21.Qf1 (21.Rf1 Rb8 22.Nf3 Qg3+–) 21...Bd5 (21...Bf4 22.Qf4 Qf4 23.ef4+–) 22.Nc3 (22.Nf3 Qg6 23.Be5 Bf3 24.Bd6 Bg2 25.Qg2 Qd6 26.Rf5 Qe6+–) 22...Rb8 (22...Bf4 23.Nd5 cd5 24.ef4+–) 23.Nd5 Rb2 24.Nc3 (24.Rf5!? Qg6 25.Qc4 Kh8+–) 24...Qg6 (24...Bf4 25.Nf3 Qg3 26.Qc4 Kf8 27.ef4+–) 25.Rf5 Rd2 26.Ne4 Rd3 (26...Rd5 27.Nd6 Qd6 28.Rc1 Rf5 29.Qf5+–) 27.Nd6 (better is 27.Rb1 h6 28.Qd3 Qf5+–) 27...Qd6 28.Qf3 (28.Rc1 Qd8+–) 28...h6 29.Rf1 (29.Rf1 Qg6 30.Ng4+–) 1–0. zabazaba (1645) – bonustrick (1705), gameknot.com, 2014.

8.Nc3 Nc6 =.

8.Nc3 Bd7 =.

8.cd5 ed5 9.Be2 Nc6 10.0-0 Re8 11.d3 Be6 12.Nbd2 Rc8 13.Nb3 Bd7 14.Nbd4= a6 15.a4 b6 16.Nc6=+ Bc6 17.Qb3= Bc7 18.Rfc1 Qd6 19.Rc2 Nd7 20.d4 Bb7 21.Bd3 Bb8 22.Ba3 Qf6 23.Rac1 Rc2 24.Qc2 h6 25.Qe2 a5 26.Qc2 g6 27.h4 Qe6 28.h5 Kg7 29.hg6 fg6 30.Nh4 Nf8 31.Rb1 Rc8 32.Qb2 Bc7 33.Bf8 Rf8 34.Ng6 Rg8 35.Qc2 Rc8 36.Qe2 Rg8 37.Qh5 Re8 38.Nh4 Rg8 39.Bg6 Rh8 40.Nf5 Kf8 41.Qh4 Ba6 42.Rc1 Bc4 43.e4 b5 44.ab5 (44...a4 45.ed5 Qg6 46.Qe7 Kg8 47.Rc4+–) 1–0. pcmvr (2745) – acidtest (2540), net–chess.com, 2006.

8.cd5 ed5 9.Be2 Nbd7 10.Nc3 =.

8.Bf6 gf6 9.cd5 ed5 10.Qb3 +=.

8.Bf6 Qf6=+ 9.Nc3 dc4 10.Bc4 Qe7 11.Nb5 b6 12.d4 Bb7 13.0-0 Rc8 14.Qe2 Nd7 15.Nd6 Qd6 16.Rfc1 Rc7 17.Bb5 a6 18.Rc7+= Qc7 19.Bd7 Qd7 20.Ne5 Qd5 21.f3 f6 22.Nc4 Qb5 23.Qf1 (23.e4 Rc8 24.Rc1 Qa4–/+) ½–½. Woelfelschneider,Peter (1800) – Rosso,Pierandrea (2085), IECG, 2002.

8.Bf6 Qf6=+ 9.Nc3 Rd8 10.cd5 a6 11.Ne4 +=.

8.Qc2= b6 9.Ng5 d4 10.Bd3 =.

8.Qc2 dc4 9.Ng5 Re8 =.

8.Qc2 Bd6 9.Nc3 Nc6 10.cd5 ed5 11.Be2 a6 12.0-0 Rc8 13.Rfc1 Re8 14.d4 b5 15.Qd1 Na5 16.Ne5 Nc4 (worse is 16...Be5 17.de5 Ne4 18.Qd5+=) 17.Nd7 Qd7 18.Qb3 Ng4 19.Bg4 (19.h3 A) 19...Nb2? 20.Bg4 (20.Qb2?! Nf6=) 20...f5 21.Qd5 (21.Qb2?! fg4 22.hg4 Qf7=) 21...Qf7 22.Qf7 (22.Qd6?! fg4 23.Qd5 Nd3 24.Qf7 Kf7+=) 22...Kf7 23.Bf5+–; B) 19...Nf6+=) 19...Qg4–/+ 20.Rc2 Qh5 (20...Qh5 21.h3 Re6–/+) 0–1. Stapinski,Ryszard (1990) – Gniazdowski,Marian (2285), 52. Championship Poland Semifinal, 2007.

8.Qc2= Bd6 9.c5 Bc7 =.

8.Qc2= Bd6 9.cd5 ed5 10.Nc3 Nc6 11.Nb5 Be7 12.Ng5 Re8 13.Rc1 Ne4 14.Ne4 de4 15.Nc3 Bf5 16.Ne4 Ba3 17.Ba3 Be4 18.d3 Bd5 19.Bb2 Qh4 20.Qd2 Rad8 21.Rc5 Nd4 22.Bd4 Qd4 23.Qc3 Qh4 24.Qd2 f5–/+ 25.Qc1 b6 26.Rb5 Rd6 27.e4? fe4 28.Qe3 Bc6 29.d4 Bb5 30.Bb5 Red8 31.Bc4 Kh8 32.d5 b5 33.Ba2 Ra6 34.Bb1 Rd5 35.0-0 Rh6 36.h3 a5 37.Be4 Re5 38.f3 Rhe6 39.Rd1 Re8 40.Qc3 b4 41.Qc2 Rg5 42.Ra1 Qg3 43.Kh1 Rd8 44.Rg1 h5 45.Qc6 Qd6 46.Qa4 h4 47.Qb3 Qe5 48.Qa2 Qc7 49.Rf1 b3 50.Qb3 Rg2!! 51.f4 Rg3 52.Qe6 Qc8 53.Qc8 Rc8 54.Kh2 Re3 55.Bf5 Rb8 56.Rf2 a4 57.Kg2 a3 58.Rd2 Rb2 59.Rb2 ab2 60.Bb1 Kg8 (61.f5 Re1–+) 0–1. Pierred (2145) – Irae (2615), Rated game, 2m + 0s, 2005.

8.Qc2= Bd6 9.cd5 Nd5 10.Bd3 f5 11.e4 =+.

8.Qc2 Qe7 9.Ng5 (9.cd5 ed5 10.Bf6 Qf6=) 9...Ne4 (9...g6 10.Qc3 d4 11.ed4+=) 10.Ne4= de4 11.Qe4 Bc6 12.Qg4 (12.Qc2 Nd7+=) 12...f5= 13.Qf4 (better is 13.Qh3!?=) 13...Nd7–/+ 14.d4?? (better is 14.Qg3–/+) 14...Bd6–+ 15.Qd6 (15.Qg3 Bg3 16.hg3 Nf6–+) 15...Qd6 16.c5 (16.Nd2 Qc7–+) 16...Qd5 17.Nd2 Nf6 18.f3 Qd7 19.Bc4 Bb5 20.Ba2 Rad8 21.Kf2 Kh8 22.Be6 Qe6 23.Rhc1 Nd5 24.Re1 Qh6 25.f4 Bc6 26.Nf3 Nf6 27.h3 Bf3 28.Kf3 Ne4 29.Rh1 Qh4 (29...Qh4 30.Rhf1 Qg3 31.Ke2 Qg2 32.Kd3 Qd2 33.Kc4 Qc2 34.Kb4 a5 35.Kb5 Qb3 36.Ka5 Ra8#) 0–1. Olsen,Rolf – Mikalsen,Odd Erling, Finnmark–ch, 2005.

8.Nc3 Nc6 9.d4 Bd6 10.Bd3 dc4 11.Bc4 Rc8 12.0-0 Qe7 13.a4 1–0. Solis,Jose Alberto (2460) – Tauscher,Karl, RSS4D adv–33, 2007. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.e3 Bd7 7.c4 0-0)

8.Nc3 Nc6 9.cd5 ed5 10.Rc1 =.

8.Nc3 Be7 9.cd5 ed5 10.Be2 Qb6 11.Rb1 Nc6 12.d4 Bg4 13.0-0 Rac8 14.Bd3 Qc7 15.h3 Bh5 16.g4 Bg6 17.g5 Ne4 18.Nd5 Qd7 19.Nf4 Ng5 20.Ng5 Bd3 21.Nd3 Bg5 22.Qg4 Qd8 23.Rfc1 Bh6 24.Rc5 b6 25.Rc3 Ne7 26.Rc8 Nc8 27.Ne5 Nd6 28.a4 (28...Re8 29.Ba3+=; 28.Nc6 Qe8 29.d5 f5+=). Woelfelschneider,Peter – Schulz,Hans_Juergen, TT–18.01, 2005.

8.d4 Bd6 9.c5 Bc7 10.Bd3 Nc6 11.0-0 Ne7 12.Nc3 b6 13.cb6 Bb6 14.Ne5 Nc6 15.Nd7 Qd7 16.Na4 Rab8 17.Rb1 Rfc8 18.Nb6 Rb6 19.Bc3 Rcb8 20.Qc2 Qd6 21.Rb6 Rb6 22.Ra1 h6 23.g3 h5 24.Bb4 Nb4 25.ab4 Qb4 26.Ra7 Rb8 27.Qc7 ½–½. Fournier,Frederic (2040) – Cyp18, echecsemail.com, 2004.

8.d4 Bd6 9.Nbd2 Qa5 (9...h6 10.Bc3 (10.Bd3 Nc6 11.0-0 Qc7 12.Rc1 Rac8 13.cd5 ed5 14.Ne5) 10...Nc6 11.Bd3 Re8 12.Ne5 Qc7 13.Nd7 Qd7 14.Qb3; 9...Nc6 10.Bd3 (10.Qc2 Ne7 11.c5 Bc7 12.Be2 Qe8 13.a4 Nc6 14.0-0) 10...Qc7 11.Rc1 Rac8 12.0-0 Rfd8 13.Qc2 h6 14.h3) 10.Bd3 (10.c5 Ba4 11.Qc1 Be7 12.Bd3 Nc6 13.0-0 h6 14.Qc3; 10.Qb3 Ba4 11.Bc3 Bb3 12.Ba5 Bc4 13.Nc4 dc4 14.Bc4) 10...dc4 11.Bc4 Bc6 (11...Ba4 12.Qe2 Nbd7 13.0-0 Bc6 14.e4) 12.0-0 Nbd7 13.Bd3 Bb5 14.Bc3 (14.Nc4=) 14...Qc3 15.Bb5 Nb6 (15...Ba3? 16.Qa4 Bb2 17.Rab1+–) 16.a4 (16.Qb1 Rac8=) 16...a6 (16...Rac8 17.Qb1 Qb4 18.e4 Qb1 19.Rfb1+/–) 17.Be2 Qa5 18.e4 Be7 19.Qb3 Bb4 (19...Rac8 20.Rfb1=) 20.Ra2 Bd2 21.Nd2 Rfc8 22.Rb1 Rc6 23.Bf1 (23.Qb4 Qb4 24.Rb4 a5+=) 23...h5 (23...Rd8 24.Qb2 h6 25.e5=) 24.e5 Nfd5 25.Ne4 Rb8 26.Qf3 g6 27.Nd6+= Rc7 28.Rc2 Na4 29.Nc4 Rc4 30.Rc4 b5+= 31.Qa3 Rf8 32.Rc6 Qd2 33.Qd3 Qa5 34.g3 Ne7 35.Rc2 Rd8 36.Bh3 Qb6 37.Qa3 Nc6 38.Qa4! Nd4 39.Rcb2 Qc6+= 40.Bg2 ba4 41.Bc6 Nc6 42.f4 a5 43.Ra2 Rd5 44.Rc1 Ne7 45.Ra4 g5 46.fg5 Re5 47.h4 Kg7 48.Kg2 Re2 49.Kh3 Re3 ½–½. Vegjeleki,Adolf (2195) – Daatselaar,Jan Bart van (2175), corr ICCF WSTT/3/06/Final, 2009.

8.d4 Be7 9.Nbd2 Nc6 10.Bd3 dc4 11.Nc4 b5 12.Nce5 Ne5 13.Ne5 a5 14.0-0 b4 15.ab4 ab4 16.Ra8 Qa8 17.Nd7 Nd7 18.Qc2 Rc8 19.Bh7 Kh8 20.Qb1 Bd6 (20...g6 21.Bg6 fg6 22.Qg6+/–) 21.Bd3+/– Nf6 22.Rc1 Rc1 23.Qc1 Qb8 24.h3 Nd5 25.e4 Nf4 26.Bf1 Ng6 27.e5 Be7 28.Bd3 Qb7 29.Bg6 fg6 30.Qc4 Qe4 31.Qe6 Bg5 32.Qg4 Qe1 33.Kh2 Qd2 34.h4 Bh6 35.Ba1 Qf2 36.e6 (better is 36.d5!? b3 37.Kh3+/–) 36...Bf4+= 37.Kh3 Qf1 38.Qf3 Qh1 39.Kg4 Bd6 40.Bb2 Qb1 41.h5 gh5 42.Kg5 Be7 43.Kf4 g6 44.Qc6 Kg7 45.Qc7 Qf5 46.Kg3 Qg5 47.Kh2 Qh4 48.Kg1 Qe1 49.Kh2 Qh4 50.Kg1 Qe1 51.Kh2 Qh4 ½–½. Fournier,Frederic (2360) – manolovich (2270), Active, 2002.

8.d4 Be7 9.Nbd2 Nc6 (9...dc4 10.Nc4 Bc6 11.h3=) 10.Bd3 (10.Bc3 Re8=) 10...Qc7 (10...dc4 11.Bc4 Rc8 12.Rc1=) 11.0-0 a6 (11...dc4 12.Nc4 Rad8 13.Qe2=) 12.Qc2 (12.Rc1 Rfd8=) 12...h6 Covers g5 13.e4 de4 14.Ne4 Ne4 15.Be4 White has new hanging pawns: c4+d4 15...Bf6 (15...Rac8 16.Bc3=) 16.Bd3 (16.Rab1 Ne7+=) 16...Rac8 17.Rac1 (17.Qe2 Rfe8=) 17...Qb6 Will d4 fall? (17...Ne7 18.Qe2=) 18.Rfd1 Kh8 (18...Ne7!?=) 19.Qe2 Ne7 (19...Nd4? fails to 20.Bd4 Bd4 21.Nd4 Qd4 22.Bb1+–) 20.Ba1 (better is 20.Rb1 Qd8 21.d5 Bb2 A) worse is 22.Qb2 ed5 23.Qb7 Be6+= (worse is 23...dc4 24.Bc4 Rc7 25.Qa6+/–); B) 22.Rb2 ed5 23.Rb7+/–) 20...Bc6? (20...Qc7 21.Re1=) 21.Ne5?? hands over the advantage to the opponent (better is 21.d5 White has the better game 21...Ba4 22.Bf6 gf6 23.Re1+–) 21...Be5 22.Qe5 White has the pair of bishops 22...Qc7 23.Qe3 Qd6 Black threatens to win material: Qd6xa3 24.Re1 Ng8 25.Bb1 f5 26.Bb2 Rfe8 27.Ba2 Rcd8 28.Re2 Nf6 29.f3 Secures e4 29...Qd7 30.Rce1 Kh7 31.Qe5 b6 32.h3 Qf7 33.Kf2 White king safety dropped 33...Qd7 34.g4 fg4 35.hg4 Qb7 36.Qg3 Rf8 37.Bb1 Ne4?? 38.Be4+– Be4 39.Re4 Qc8 40.Rc1 Qc6 1–0. Viotti,Esteban – Figueredo,Jorge Nicolas, Pan American–ch U16, 2002. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 Bd7 5.Bb2 c5 6.bc5 Bc5 7.c4 0-0)

8.cd5 ed5 9.Bd3 Nc6 +=.

8.cd5 Nd5 9.Be2 Bc6 10.0-0 Bd6 11.d4 Nf6 12.Nbd2 Nbd7 13.Nc4 Bc7 14.Rc1 Nb6 (14...Rc8 15.a4=) 15.Nce5 Bd5 16.Qc2 Rc8 17.Qd3 Be4 18.Qd2 Nfd5 19.h3 f6 20.Nc4 (20.Bd3 Bd3 (worse 20...fe5 21.Be4 ed4 22.Bd4+/-) 21.Nd3 Bd6=) 20...Nc4 (20...Bf3 21.gf3 Na4 22.f4=+) 21.Rc4=+ Bf3 22.Bf3? (better 22.gf3!? Qe8 23.f4=+) 22...Bh2!-+ 23.Kh2 Rc4 24.Qd3 Qc7 25.g3 Rc8 26.Be4 g6 27.Bg2 Rc2 28.Ba1 a6 (better 28...f5!? 29.Qb3 Qd7-+) 29.e4-/+ Ne7 30.d5 ed5 31.ed5 (31.Bf6!? Qc5 32.Qb3=+) 31...Qd6-/+ 32.Re1 (better 32.Qf3!? Nf5 33.Re1-/+) 32...Rf2-+ 33.Re6? (33.Re2 Re2 34.Qe2-+) 33...Qd5 34.Qd5 Nd5 35.Bd4 (35.Kg1 Rd2 36.Re1-+) 35...Rd2 36.Bg1 (36.Bf2 Rf2 37.Kg1-+) 36...Rcc2 37.h4 Rg2 38.Kh1 Kf7 (38...Rg3 39.Re8 Kf7 40.Bc5 Ke8 41.Ba7 Ne3 42.Bd4 Rh3 43.Kg1 Rg2) 39.Rd6 Rg1! 40.Kg1 Ne3 41.Rd7 Ke6 42.Rh7 (42.Rb7 Kf5 43.Rb4 Nc4-+) 42...Kf5 43.Rb7 (43.Re7 Rg2 44.Kh1 Re2 45.Rb7 Kg4-+) 43...Kg4 44.Rg7 (44.Rb3 Re2 45.Re3 Re3 46.Kg2-+) 44...Kh3 45.Rg6 Rg2 46.Kh1 Nd1 (46...Rf2 47.Rf6 Rf6 48.g4 Rf1) 47.Rf6-+ Nf2 48.Rf2 Rf2 49.h5 (49.Kg1 Kg3 50.h5 Rf6 51.h6 Rh6 52.Kf1 Re6 53.a4 a5 54.Kg1 Re1) 49…Rf1 0-1. amirgloo (1905) - maroooooooooo (1905), lichess.org, 2021.

8.Qc2 dc4 9.Bc4 Be7 10.d4 =.

8.Qc2 Bd6 9.Be2 (9.cd5 ed5 10.Be2 Nc5=) 9...b6 (9...dc4 10.Qc4 Rb8 11.Nc3=) 10.0-0 (10.cd5 Bb7 (worse is 10...ed5 11.Qc6 Qc7 12.Qa8+/–; 10...Nd5?! 11.Qc6 Qc7 12.Qc7 Nc7 13.d4=) 11.de6 fe6+=) 10...Qc7 (10...Bb7 11.cd5 Rc8 12.Nc3 Nd5 13.Rfc1+=) 11.d4= Ba6 12.Nbd2 Rac8 (12...Bc4 A) worse is 13.Nc4 b5–/+ (worse is 13...dc4 14.Qc4 Qc4 15.Bc4+=); B) 13.Bc4 dc4 14.Qc4= (14.Nc4? b5–+)) 13.Rac1 (13.Rfc1!?=) 13...dc4+= 14.Nc4? (better is 14.e4 Bf4 15.e5+=) 14...b5–+ 15.e4 Bf4 16.Ne3 Qc2 17.Rc2 (17.Nc2 Bc1 18.Rc1 Ne4–+) 17...Be3 (17...Ne4?! 18.Rfc1 Rc2 19.Rc2–/+) 18.Rc8 Bf2 19.Kf2? (19.Rf2 Rc8) 19...Rc8 (better is 19...Ne4!? 20.Ke3 Rc8–+) 20.Bd3–/+ Nb6 21.Kg1 Nc4 22.Rb1 Bb7–+ 23.Ba1? Be4 24.Be4 Ne4 25.Rb5 Na3 26.Rc5 Nc5 27.dc5 Rc5 28.Bd4 Rc7 29.Kf2 Nc4 (29...Nc4 30.Ke2 a5–+) 0–1. Diederich,Hauke – Jachnowitsch,Kristjan John, Schleswig Holstein–ch U14, 1999.

8.Nc3 a6 9.d4 Be7 10.cd5 ed5 11.Qb3 Nb6 12.Bd3 Nc4 (12...Be6!?=) 13.Nd5+/– Nb2 14.Ne7 Qe7 15.Qb2 Bg4 16.Ne5 b5 17.0-0 Be6 18.a4 b4 19.a5 Rfc8 20.Rfc1 Nd5 (20...Qd6 21.Rc8 Rc8 22.Qe2+/–) 21.Rc8+– Rc8 (21...Bc8 22.Bc4 Be6 23.Rb1+–) 22.Rc1 (better is 22.Ba6!? Ra8 23.Bc4+–) 22...Rc1+/– 23.Qc1 Nc3 24.Ba6 f6 25.Nf3 Qd6 (25...Qd8!?+/–) 26.Bd3+– Bf5 27.Bf5?? Ne2–+ (27...Ne2 28.Kf1 Nc1–+) 0–1. Fournier,Frederic (1695) – PIM77 (1650), KasparovChess.com, 2002.

8.Nc3 dc4 9.Bc4 Nb6 10.Ba2 Bd7 11.0-0 Bc6 (11...Rc8 12.Rc1=) 12.Ne5 Be8 (12...Rc8 13.Rc1=) 13.Rc1 Qd6 Exerts pressure on the isolated pawn 14.Qf3 (14.Ng4 Ng4 (14...Ba3?? 15.Nf6 gf6 16.Ne4 Bb2 17.Qg4 Kh8 18.Nd6+–) 15.Qg4 f5+= (15...Ba3 16.Ne4 Bb2 17.Nd6+–)) 14...Qe5 (better is 14...Qd2!? 15.Qe2 Qe2 16.Ne2 Rc8+=) 15.Na4= Qd6 (15...Ba4 16.Be5) 16.Nc5+= Bc6 17.Qg3 (17.Qe2 Nbd5+=) 17...Qg3 18.fg3 (18.hg3 Ne4 19.d4 Rfc8=) 18...Nbd7 (18...Ne4 19.Ne4 Be4 20.Bd4=) 19.Rf4 (19.d3 Rfd8 20.Nd7 Nd7=) 19...Rac8 20.Bf6 (20.Ne6 fe6 21.Be6 Kh8 22.Bf6 Rf6 23.Rf6 gf6=) 20...Nf6 (worse is 20...gf6 21.d4+=) 21.Ne6 (21.d4 b6 22.Ne6 Bd5 23.Rc8 Rc8 24.Bd5 Nd5–+) 21...Bd5+= Black gets in control 22.Rc8 Rc8 23.Ng7 Rc1 24.Kf2 Ba2 25.Nf5 Bc4 26.g4 Rf1 27.Kg3+= Rf4 28.Kf4 Bd3 29.Nd6 b5 30.h4 a5 31.g5 Nd7 32.e4–/+ b4 33.ab4 a4 34.Nb7?? a3–+ 35.Na5 Bc4!! 36.Nc4 a2 37.h5 a1Q 38.g4 Qf1 (38...Qf1 39.Ke3 Qc4–+) 0–1. Ackermann,Robert – Blunk,Dieter, Mittelfranken–ch M1, 1997.

8.Nc3 dc4 9.Bc4 Nb6 10.Be2 Bd7 11.0-0 Rc8 12.Qb3 Bc6 13.Ne5 Bd5 (13...Qd2? 14.Nc6 bc6 15.Rad1 Be3 16.Rd2 (16.fe3?! Qe3 17.Kh1 Ne4=) 16...Bd2 17.Ba6+–) 14.Nd5 Qd5 15.Qd5 Nfd5 16.Rfc1 Bd6 17.g3 a6 18.Bd4 f6 19.Nd3 Nc4 Exerts pressure on the isolated pawn (19...Rc1 20.Nc1 Rc8 21.Nb3=) 20.Nf4 (20.Bc5 Bc5 21.Nc5 Nd2 22.Ne6 Nc3 23.Rc3 Rc3 24.Nf8 Kf8=) 20...Nf4+= 21.Bc4 b5 22.Bf1 Nd5 23.Rc8 Rc8 24.a4 e5 25.Ba7 Rc2 26.ab5 ab5 27.d4 ed4 28.Bd4 Nc7 29.Bd3 Rd2 30.Be4 Be5 31.Ra7 Bd4 32.Rc7 Be5 (32...Bb6!? 33.Rb7 Rd6+=) 33.Rb7+/– g6 34.Rb5 Kg7 35.Rb7 Kh6 36.g4 Rd1 37.Kg2 Rc1 (37...Bc3 38.h4 Rd2 39.Kg3+/–) 38.f4+– Bc7 39.h4 Rc3 40.Kf3 Kg7 41.Bd5 f5 42.gf5 gf5 43.Ba2 Kf6 44.h5 h6 45.Bb1 Rc5 46.Ra7 Rc6 47.Ra8 Rb6 48.Ba2 Ke7 49.Rh8 Rf6 50.Rh7 Kd6 51.Bf7 Bd8 (51...Bb6 52.Bg6+–) 52.Bg6 Bb6 53.Bf5! (53.Rh6?! Re6+/–) 53...Rf5 54.Rh6 Kc7 55.e4 Rb5 56.e5 Rb1 57.Rh8 Kd7 58.Kg4 (58.h6 Rh1+–) 58...Bd8 (58...Ke6 59.Rh6 Ke7 60.Kf5+–) 59.Kf5 Rg1 60.h6 Rh1 61.Kg6 Ke7 62.f5 Rg1 63.Kh5 Bc7 (63...Rh1 64.Kg4 Rg1 65.Kh3+–) 64.Rh7 Kd8 65.e6 Be5 66.Ra7 Ke8 67.h7 (67.Ra4 Bb2+–) 67...Bf6 68.Rc7 Be5 69.Rc5 Bf6 70.Rc8 Ke7 71.Rc7 Ke8 72.Rb7 Be5 73.Rb8!! Ke7 (73...Bb8 74.h8Q Double attack (74.h8Q Decoy)) 74.Rb5 Bf6 75.Rb7 Ke8 76.Ra7 (76.Rf7 Bh8+–) 76...Be5 ½–½. pcmvr – fluors, net–chess.com, 2016.

8.Nc3 dc4 9.Bc4 Nb6 10.Be2 Bd7 11.0-0 Rc8 12.d3 Qe7 13.a4 Nbd5 14.Nd5 Nd5 15.a5 Bb4 16.Qb3 Nc3 17.Bc3 Rc3 18.Qb1 Bb5 19.Nd4 Ba6 20.Ra4 Bd6 21.Nb5 Bb5 22.Qb5 Rc5 23.Qb1 Qc7 24.Rh4 Ra5 25.d4 f5 26.Rc1 Qe7 27.Rh5 Ra3 28.Bc4 g6 29.Rh3 a5 30.Rc2 Rc8 31.f4 a4 32.Qb2 Qd7 33.Qb1 Rc7 34.Qb6 Kg7 35.Kf2 Be7 36.Rf3 Ra1 37.Kg3 Bd8 38.Qb2 Rh1 39.d5 Kh6 40.de6 Qd1 41.Qa2 b5!–+ 42.Bd3 Qg1 43.Rf1 Qh2 44.Kf3 Qh5 (45.Kf2 Bh4 46.g3 Rc2 47.Bc2 Bg3 48.Kg3 Qh2 49.Kf3 Rf1#) 0–1. Pierred (2210) – ComputerDancer (2495), Rated game, 3m + 0s, 2005.

8.Nc3 dc4 9.Bc4 Nb6 10.Be2 Re8 11.0-0 e5 (11...Bd6 12.d4=) 12.e4 (12.Ne5!? Re5 13.d4 Bd4 14.Qd4 Qd4 15.ed4+=) 12...Bg4=+ 13.d3 (13.Ne5 Be2 14.Ne2 Bd6=+) 13...Rc8 (13...Bf3 14.Bf3 Rc8 15.Rc1=+) 14.h3 (better 14.Ne5!? Re5 15.Bg4 Ng4 16.Qg4=) 14...Bf3–/+ 15.Bf3 Bd4 16.Rc1 Re6 17.Na4 Rc1 18.Bc1 Rc6 19.Nb6 Qb6 (worse 19...ab6 20.Bd2=) 20.Bg5 Rc3 21.a4 Ra3 (21...h6 22.a5 Qd8 23.Bd2 Rd3 24.Qc2–/+) 22.Qc1=+ Rc3 23.Qb1 (better 23.Qd1!?=) 23...Nd7 24.a5 (24.Qb6 Bb6 25.Rd1 h6–/+) 24...Qb1 (24...Bf2!? 25.Kh2 Qb1 26.Rb1 b6–+) 25.Rb1–/+ b6 (25...Nc5 26.Be7–/+) 26.Bg4=+ Nf8 27.ab6 ab6 28.Be2 Ne6 29.Be3 f6 30.Bg4 Ng5?? (better 30...Nc5=+) 31.Bd4+– ed4 32.f4 (32.Rb6?! Rd3 33.f3 Kf8=) 32...Nf7 33.Rb6 h5? (better 33...Kf8!? 34.Be2 Nd8+–) 34.Bh5+– Rd3? (34...Nh8 35.Be2 Ng6+–) 35.Rb8 Kh7 36.Bf7 Rc3 (36...Rd1 37.Kf2 g5 38.fg5 fg5 39.e5+–) 37.Bg8 (better 37.f5!? Kh6 38.h4 g5 39.fg6 Ra3 40.Rh8 Kg7 41.Rh7 Kf8+–) 37...Kh6 38.Bd5 d3 (38...g6+–) 39.Rh8 Kg6 40.h4 Rc1 (40...f5 41.e5 Rc1 42.Kh2 Rh1 43.Kh1 d2 44.h5) 41.Kh2 f5 42.e5 (42.e5 Rh1 43.Kh1 d2 44.h5) 1–0. Cottarelli,Franco (1950) – Benedetti,Maurizio, 5th Rivarolo Mantovano Weekend, 2007.

8.d4 Qb6 9.Qe2 Bd6 10.c5 Nc5 11.dc5 Qc5 12.Bf6 gf6 13.Qd2 +/–.

8.d4 Be7 9.cd5 ed5 10.Bd3 =.

8.d4 Be7 9.cd5 ed5 10.Be2 a6 11.0-0 b5 12.Nbd2 (12.a4 b4=) 12...Bb7 (12...Nb6 13.Ne5=) 13.Rc1 (13.Qb3 Nb6=) 13...Nb6 14.Qb3 (14.Rc2 Nc4 15.a4 Bb4=) 14...Rb8 (14...Qd6 15.Rfd1=) 15.Bc3 Nc4 The isolani on a3 becomes a target 16.Bb4 (worse is 16.Nc4 dc4 17.Qb2 Nd5–/+) 16...Ba8 (16...Ne4 17.Rc2=) 17.Nb1 (17.Rc2 Re8=) 17...a5 (17...Re8 18.Rc2=) 18.Be7 Qe7 19.a4 (19.Rc2 b4=) 19...ba4+= 20.Qa4 Rb4 21.Qa1 (21.Qc2 Rb2 22.Qd3 Ne4=) 21...Ne3+= 22.Rfe1 (22.fe3 Qe3 Theme: Double Attack) 22...Nf5 23.Bd3 (23.Bd3 Ne4 24.Nc3+=). Elias,F – Cornacchini,Gabriele, IECG, 1999.

8.d4 Be7 9.cd5 Nd5 10.Bd3 Qa5 11.Nc3 Nc3 (11...b6 12.Qd2=) 12.Qd2+= Nf6 (12...Rd8 13.Bc3 Qh5 14.Bb4+=) 13.Bc3 Qd8 14.0-0 a6 (14...b6 15.Bb4+=) 15.Bb4 (15.Ne5 Nd5+=) 15...b5 16.Ne5 Bb7 17.Rfc1 (17.Be7 Qe7 18.Qb4 Qb4 19.ab4 Rfd8+=) 17...Nd5 18.Ba5 Qd6 (18...Qe8 19.e4 Nf6 20.Qf4+=) 19.e4 Nf6 20.Qe3 Rfc8 21.Bb4 (21.Rc8 Rc8 22.a4 Nd7+=) 21...Qd8= 22.Rab1 Bb4 (22...Bd6 23.Bd6 Qd6 24.a4=) 23.ab4 Rc1 (23...Qd6 24.Rc5 Rd8 25.Nf3=) 24.Rc1 Rc8 (24...a5 25.ba5 Ra5 26.Rb1=) 25.Rc5 h6 (25...Rc5 26.bc5 (worse 26.dc5 Be4 27.h3 Bd3 28.Qd3 Nd5=+) 26...Qa5 27.c6 Qa1 28.Bf1+=) 26.g3 (26.h3 Rc5 27.bc5 Qc8+=) 26...Nd7= 27.Nd7 (27.Qf4 A) worse 27...Nc5 28.Qf7 Kh7 29.dc5+– (29.bc5?! Qd4 30.Qg6 Kg8 31.Qf7 Kh7 32.Qe6 Be4 33.Be4 Qe4 34.Qc8 Qe1 35.Kg2 Qe5+=); B) 27...Nf6 28.Nf3 Rc5 29.bc5 Bc6=) 27...Qd7 28.Rc8 Qc8 29.Qd2 (29.Qf4 Ba8=) 29...Qc6 (29...Qd8 30.Qc3=) 30.Kg2 (30.Qc2 Qd7 31.Qc5 Qd8+=) 30...f5 (30...Qd7 31.Qc3+=) 31.f3 g5 (31...Qd7 32.ef5 ef5 33.Qf4+=) 32.Qe3= Kf7 (better 32...g4!?=) 33.ef5+– ef5 34.Bf5 Qd6 (34...Qc4!?+–) 35.Qe5+– Qb4? (better 35...Qe5 36.de5 h5+–) 36.Be6 Kf8 (36...Ke8 37.Bd5 Qe7 38.Qb8 Qd8 39.Qb7 Qd6+–) 37.Qf6 Ke8 38.Qf7 Kd8 39.Qd7 1–0. Janek – quguqu, internet, 2017.

8.cd5 ed5 9.Be2 Ne4 10.0-0 Ndf6 11.d3 Nd6 12.Nc3 a6 13.Qb3 The isolani on d5 becomes a target 13...Be6 14.Ng5 h6 15.Ne6 fe6 16.Na4 Ba7 17.Rac1 b5 18.Nc5 Qe7 19.Na6 Kh8? (better is 19...Be3!? 20.Rc7 Qd8 21.fe3 Ra6+=) 20.Qb4 Bb6 21.Rc6 Ra6 22.Qd6 (22.Rd6?! Ba5 23.Ra6 Bb4 24.ab4 Rc8 25.Bf6 gf6= (worse is 25...Qf6 26.d4+/–)) 22...Qd6 23.Rd6 Rb8 24.Re6 Nd7 25.Rh6 Kg8 26.Rg6 d4 27.Bd4 Bd4 28.Ra6 Bf6 29.d4 b4 30.Rb1 b3 31.Rb3! Rb3 32.Bc4 (32.Bc4 Kf8 33.Bb3+–) 1–0. Fournier,Frederic (2085) – nissugran (1825), Active, 2007.

8.cd5 ed5 9.Be2 Re8 10.0-0 Bd6 11.Qc2 Ne5 12.Be5 Be5 13.Ne5 Re5 14.Nc3 Ng4 15.Qa4 Bd7? (better is 15...Nf6+=) 16.Qd4+– Rg5 17.f4 (17.Nd5?! Bc6 18.Nf4 Qd4 19.ed4 Nf6=) 17...Rh5 18.f5 Ne3 19.Bh5 (19.Qe3?! Rf5 20.Qd4 Rf1 21.Rf1 Be6+–) 19...Nf1 20.Rf1 (20.Kf1?! Bf5 21.Nd5 Be6+–) 20...Rc8 21.Qd5 Qb6 22.d4 (22.d4 Be8 23.Re1+–) 1–0. Degterev,Pavel – Pugh III,Richard, IECG, 2005.

8.Be2 Nb6 9.cd5 Nbd5 10.0-0 Qc7 (10...b6 11.Be5=) 11.Nc3 Bd7 12.Rc1 (12.Nd5 Nd5 13.Be5 Bd6=) 12...Qd6 (12...Nc3 13.Rc3 (worse is 13.dc3 Bc6+=; worse is 13.Bc3 Ba3 14.Bb2 Qd6+=) 13...Nd5 14.Rc4=) 13.Nd5 Nd5 14.Be5 (14.Ne5 Nb6 15.Qb3 A) 15...Qd2? 16.Nd7 (16.Rc5?! Qe2 17.Nd7 Nd7=) 16...Nd7 17.Bb5+–; B) 15...f6+/–) 14...Qe7= 15.a4 Rac8 16.Qb3 Bc6 17.Bb2 (17.Nd4 Bd4 18.Bd4 Qg5=) 17...Rfd8 18.Nd4? (18.Ne5 Bd6=) 18...Be8 (better is 18...Nf4! 19.Bf3 Bd4 20.Bd4 Bd5 21.Bd5 Ne2 (worse is 21...Nd5 22.Ba7 b5 23.Bd4+=) 22.Kh1 Nc1 23.Qb7 Rc7–+) 19.f4 e5 (better is 19...Bd4 20.Bd4 Nf4=) 20.fe5+/– Qe5 (20...b6!?+/–) 21.Nc6! (21.Qb7 Rb8 22.Nc6 A) worse is 22...Rb7 23.Be5 (worse is 23.Ne5 Ne3 24.Rf2 Rb2 25.Rc5 Rbd2–/+) 23...Bc6 24.Rc5 Ba4 25.Bd4+/–; B) 22...Be3 23.Kh1 Rb7 (worse is 23...Qb2 24.Qb2 Rb2 25.Nd8 Bd2 26.Rc8+=) 24.Be5 Bc6 25.Rc6 Bd2–/+) 21...Be3?? (21...bc6 22.Be5 Discovered attack (22.Rc5 Decoy; 22.Rc5 Interception); 21...Rc6 22.Be5 Discovered attack; 21...Bc6 22.Be5 Discovered attack (22.Rc5 Decoy; 22.Rc5 Interception)) 22.de3 Qe3 (22...Qe6 23.Nd8 Rd8 24.Rfd1+–) 23.Qe3 Ne3 24.Nd8 (24.Ne7 Kf8 25.Nc8 Nf1 26.Kf1 Ba4 27.Na7 f6+–) 24...Rd8 25.Rfe1 (25.Rf3!? Ng2 26.Kg2 Ba4+–) 25...Ba4 26.Bf3 Nc2 (26...Nf5 27.Bb7 Nd6 28.Bd5+–) 27.Re4 (27.Re7 b5+–) 27...Bc6 (27...Bb3 28.Re7 a5 29.Bd1 Rd1 30.Rd1+–) 28.Rc2 (28.Rg4!? Rd2+–) 28...Be4 29.Be4 b6 30.Bf5 (30.Rc7 f6 31.Bc2 a5+–) 30...g6 (30...Kf8 31.Bg4 h6 32.Rc7+–) 31.Rc8 (better is 31.Bf6!? Rf8 32.Bd3 a5+–) 31...Rc8 32.Bc8 Kf8 (32...f5 33.Be5 Kf7 34.Ba6+–) 33.Ba6 Ke7 34.Be5 Kd7 35.Bb8 Kc6 36.Ba7 f6 37.Kf2 h5 38.Bd3 g5 (38...f5 39.Bb8+–) 39.Ke3 (better is 39.Bb8 h4+–) 39...b5 (39...Kb7+–) 40.Bd4 b4 41.Bf6 g4 42.Bg6 1–0. zabazaba (1740) – mal10s, gameknot.com, 2014.

9.d4 Be7 10.c5 Nc4 11.Bc4 dc4 12.Qa4 b5? (better is 12...Bd7!? 13.Qc4 Bc6+=) 13.Qb5+– (worse is 13.Nb5 Rb8 14.d5 a6+= (worse is 14...ed5 15.Be5 Bd7 16.Bb8 Qb8 17.c6 Bc6 18.Qa7+/–)) 13...Rb8?? (better is 13...a5+–) 14.Qb8 Qa5 15.Ne5 Nd5 (15...Nd7 16.Nd7 Bd7 17.Qb7+–) 16.Nc6 Qa6 17.Nd5 ed5 (17...Bc5 18.dc5 ed5 19.Qd6+–) 18.Ne7 Kh8 19.Nd5 c3 20.Nc3 Qc4 21.Qa7 Ba6 22.d5 h5 23.d6 (23.0-0-0 Bc8 24.Rd4 Qa6 25.Qa6 Ba6+–) 23...Re8 24.d7 Re3 25.fe3 Qh4 26.g3 (26.g3 Qf6 27.Ne4+–) 1–0. Fournier,Frederic (1675) – temmo55, ChessOK.com, 2013.

9.d4 Be7 10.c5 Nc4 11.Bc4 dc4 12.Qa4 Bd7 13.Qc4 b5 14.Qe2 Bc6 15.0-0 Ne4 16.Ne5 Nc3 17.Bc3 Qd5 18.Nc6 Qc6 19.h3 a5 20.Rab1 Rfb8 21.Rb2 b4 22.ab4 ab4 23.Rfb1 Qa6? 24.Qa6 Ra6 25.Rb4 Rb4 26.Rb4 Ra8 27.Rb7 Kf8 28.c6 Bd6 29.e4 Rb8 30.Bb4! (30...Rb7 31.cb7+–) 1–0. Rohde,Friedhelm – Zimmer,Georg, corr SOK–92–86, 1992.

9.d4 Be7 10.Nd2 dc4 11.Nc4 Bd7 12.Ne5 Rc8 13.Bd3 Bc6 14.0-0 Nfd5 15.Rc1+= Nc3 16.Rc3 Qd5 17.Nc6 Rc6 18.Rc6 Qc6 19.Qh5 g6 20.Qh6 Bf6 21.d5 Nd5 22.Bf6 Nf6 23.Qg5 Kg7 24.h4 h6 25.Qa5 Ng4 26.Qa7 h5 27.Be2 Nh6 28.Bf3 Qc4 29.Bb7 Qh4 30.Bf3 Nf5 31.a4 Re8 32.Qc7 Qg5 33.a5+= (33...e5 34.Ra1+/–) 1–0. Merten,Rainer – Gross,Wilhelm, xix/13, 1990.

9.cd5 Nbd5 10.Nd5 Nd5 11.Qc2 Be7 12.Be2 b6 13.0-0 Bb7 14.d4 Rc8 15.Qb3 a6 16.Rfc1 b5 17.Rc8 Qc8 18.a4 b4 19.a5 Qa8 20.Rc1 Rc8 21.Rc8 Qc8 22.Ne5 Qc7 23.Bc4 (23.Qa4!?=) 23...Qa5–/+ 24.e4 Nf6?? (24...Nc7 25.Qf3 f6 26.Ng4–/+) 25.f3 (better is 25.Be6 Be4 26.Bf7 Kf8 27.Bc4+=) 25...Qc7?? (25...Qb6 26.Qa4–/+) 26.g3?? (26.Be6 a5+–) 26...a5?? (26...Nd7 27.Nd3 a5 28.Bb5–/+) 27.Bb5?? Bc8 28.Kg2 h6 29.g4 Nd7 30.Nc6 Bd8 31.d5+= ed5 32.Qd5 Bf6 33.e5 Nb6 34.Qe4 Bh4 35.Bd4 Nd7?? 36.e6+– fe6?? 37.Qe6 Kf8 38.Ne5 Ne5 39.Qe8 1–0. orangutandu – lubiepionki82, 2013.

9.cd5 Nfd5 10.Nd5 Nd5 11.Be2 Bd7 12.0-0 Qb6 13.Rb1 Qc7 14.Qb3 a6 (14...Bc6 15.Ne5+=) 15.Rfc1+/– Qd6 16.Be5 (16.Qb7 Rfb8 17.Be5 Rb7 18.Rb7 Qe7 19.Rd7 Qd7 20.Rc5 Qb7–+) 16...Qe7 17.a4 (17.e4 Ba3 18.ed5 Bc1 19.Rc1 b5+/–) 17...f6 18.Bd4 Bd4 19.Nd4 (worse is 19.ed4 Bc6+=) 19...Rab8 20.Bc4 Bc6? (better is 20...Qd6+/–) 21.e4+– Nc7 22.Ne6 (22.Be6?! Ne6 23.Qe6 Qe6 24.Ne6 Rfe8+=) 22...Ne6 (22...Kh8 23.Nf8 Rf8+–) 23.Be6 Kh8 24.f3 (24.Rc6 bc6 25.Qb8 Re8+–) 24...Rfd8?? (24...Rbd8 25.Rc2+/–) 25.Rd1 (better is 25.Rc6 Rd2 26.Rbc1+–) 25...Rd4 Attacks the isolani on a4 (better is 25...Ba4 26.Qa4 Qe6+=) 26.Bc4?? (better is 26.Qc3 Rd6 27.Bb3+/–) 26...Qc5–+ 27.Kh1 Qc4 (27...Qc4 28.Qc4 Rc4–+) 0–1. Fournier,Frederic – clau78 (1765), Active, 2008.

9.Nc3 b6 10.Bd3 Bb7 11.0-0 e5 12.cd5+/– Bd5 13.Nd5+– Nd5? 14.de5 Bc5 15.Be4 Ne3 16.fe3 Be3 17.Kh1 Rc8 18.Qd3 Bh6 19.Bh7 Kh8 20.Bf5 Rc7 21.Rad1 (21...Qe7 22.Bd7+–) 1–0. juanpacio (1710) – super knight, internet, 2006.

9.c5 Bc7 10.Bb5 a6 (10...b6 11.c6 Nb8 12.Qa4=) 11.Bd3 Re8 (11...b6 12.c6 Nb8 13.Qc2=) 12.0-0+= e5 (12...b6 13.c6 Nb8 14.Ne5+=) 13.Ne5 Ne5 14.de5 Be5 15.Be5 Re5 16.Nd2 Qc7 (16...Qe7 17.Qc2+=) 17.Qc2 Bd7 (17...Be6 18.Rfb1+=) 18.Rab1 Rh5 The mate threat is Qxh2 19.g3 Bc6 20.Nf3 Qd7 (20...Qa5 21.Nd4+=) 21.Rb6 (21.Rfc1 Re8+=) 21...Ne4 22.Rc1 Re8 (22...Rc8 23.Qb3=) 23.Qd1 (23.Be2 Rh6=) 23...Ba4 24.Qe1 Rc8 Attacks the isolani on c5 (24...Bc6 25.Bf1+=) 25.Qb4 Exerts pressure on the backward pawn 25...Bc6 26.Bf1 Qf5 (26...Bb5 27.Bb5 (worse is 27.Rb5 ab5 28.Nd4 Qe7+=) 27...ab5 28.Qb2+=) 27.Bg2+= Rc7 28.Qb2 Qc8 29.Nd4 Rh6 30.f3 Ng5 31.Rc3 Ne6 32.Nc6 Rc6 33.Rc6 Qc6 34.Qb4 Rh5 35.f4+= g6 36.Bf3+/– Rf5 37.Bg4 Rf6= 38.a4 h5 39.Bh3 Kf8 40.Bg2+/– g5 41.fg5 Ng5+= 42.Rb3 Ne6 43.a5 Kg7 44.Rc3 Ng5 45.Qd4+/– Qb5 Threatening mate: Qb1 46.Rc1 Qe2 47.Kh1 Ne4 48.Rf1 Nf2 49.Kg1 Ng4 The isolani on e3 becomes a target 50.Rf6 Nf6 51.h3 Qe1 (51...Kg6 52.Kh2=) 52.Kh2 Kg6 (52...Qf2 53.Qe5=) 53.Bd5 Nd5 54.Qd5 (54.Qe4 Kf6 55.Qd5 Qe3 56.Qb7 Qf2 57.Qg2 Qc5=) ½–½. Schalkwijk,Peter – Secrieru,Ioan (1800), Telechess, 2005.

9.c5 Bc7 10.Qc2 b6 (10...Ba5 11.Nc3+=) 11.c6= Nb8 12.Nbd2 (12.Bd3 Ba6 13.Ne5 Qd6 14.Ba6 Na6=) 12...Ba6 13.Ba6 Qe7?? (better is 13...Na6 14.Qd3 Qc8=) 14.Bb7+– (14.Bb7 Nc6 15.Ba8 Nd4 16.Nd4 Ra8 17.Nc6+–) 1–0. Ritter,Fredi – Woelfelschneider,Peter, TT–05 TSC, 2003.

9.c5 Bc7 10.Bd3 b6 11.c6 Nb8 =.

9.c5 Bc7 10.Be2 Re8 11.0-0 e5 12.de5 Ne5 13.Nc3 Nf3 14.Bf3 Increasing the pressure on the isolated pawn on d5 14...Be5 15.Qb3 Ne4 16.Rad1 Nc5 17.Qd5 Qh4 18.g3 Qe7 19.Qc4 Bh3 20.Nd5 Qf8 21.Be5 Re5 22.Rfe1 Rc8 23.Qc3 Re6 24.Nf4 Rf6 25.Qd4 Be6 26.e4 (worse is 26.Ne6 fe6 27.Be2 Rf2–/+) 26...Bb3 27.Rc1 Ra6 28.Bg4 Rcc6 29.Qe3 Ra3 30.Rc3 a5 31.Ne2 Ra4 32.Nd4 (worse is 32.Rb3 Re4 33.Qf3 Rf6–/+) 32...Rd4 33.Qd4 a4 34.Rec1 b6 35.e5 g6 36.h4 h5 37.Bh3 Qe7 38.f4 Kg7 39.Qe3 f5 40.Rd3 b5 (40...Nd3 41.Rc6 Pinning (41.Rc6 Deflection; 41.Rc6 Clearance)) 41.Bg2 Bc4 42.Rdd1 (42.Bc6?! Nd3 43.Ra1 Nb4=) 42...Ne4 43.Be4 fe4 44.Qe4 Ra6 45.Rc4 bc4 46.Qc4 Qa7 47.Kh2 Qf2 48.Kh3 Qf3 49.Rc1 Ra7 50.Rf1 Qe3 51.f5 Qe5 52.fg6 Kh6 53.Rf7 Rf7 54.Qf7 Qg7 55.Qf4 ½–½. asoka – fluors, net–chess.com, 2015.

9.c5 Be7 10.Bd3 =.

9.Nbd2 b6 10.cd5 Nd5 11.e4 Nf4 12.g3 Ng6 13.Bb5 a6 14.Bd3 Bb7 15.0-0 b5 16.a4 b4 17.Qe2 a5 18.Rac1 Nb6 19.Bb5 Rc8 20.Nb3 Rc1 21.Rc1 Qa8 22.Nc5 Rc8 23.Nb7 Rc1 24.Bc1 Qb7 25.Bb2 Qc7 26.Qd3 h6 27.Nd2 Qd8 28.Nb3 Nc8 29.Qc2 ½–½. Fournier,Frederic (2285) – Terrazz (1875), queenalice.com (QA–ANNIV–04), 2009.

9.Nbd2 b6 10.Be2 Bb7 11.0-0 Rc8 12.Qa4 (12.Rc1 Ne4=) 12...Bb8 (12...Bc6!? 13.Qb3 Ne4+=) 13.Rac1 (13.cd5 Nd5 14.Rfc1 Qe7+=) 13...dc4 (13...a6 14.cd5 b5 15.Rc8 Qc8 16.Qb4 Nd5 17.Qb3=) 14.Nc4 (14.Bc4 a6 15.Ba6 Bh2 16.Kh2 Ra8=) 14...Nd5 (14...Bc6 15.Qb4=) 15.Rfd1 N7f6 (15...Qe7 16.Qb3+=) 16.Bd3 Ne7 (16...Qe8 17.Qb3+/–) 17.Ncd2 (17.Nce5 Qd5+/–) 17...Ng6 (17...Bc6 18.Qa6+=) 18.Ba6 (18.Rc8 Qc8 19.Ne5 Qd8+=) 18...Ba6 19.Qa6 Rc1 (19...Qd7 20.g3+=) 20.Rc1 e5 (20...Qd7 21.a4+=) 21.de5+/– Ne5 (21...Be5 22.Be5 Ne5 23.Qa7+/– (worse is 23.Ne5 Qd2 24.Qc4 Qd6=)) 22.Be5 (worse is 22.Ne5 Qd2 23.Nc4 Qd7=) 22...Be5 23.Qa7 (23.Ne5?! Qd2 24.Qc4 Qd6=) 23...b5 (23...Bd6 24.Nc4+/–) 24.Qc5 (24.g3 Qd3 25.Ne5 Qd2+/–) 24...Bd6 25.Qb5 Ba3 26.Ra1 Be7 27.Nd4 Qd7 28.Qd7 Nd7 29.Ra7 Bb4 30.Rd7 Bd2 31.g3 Bc3 32.Kg2 g6 33.Kf3 Re8 34.h3 Kg7 35.Kf4 h6 36.g4 Be1 37.Kf3+/– Bc3 38.Nb5 Be5 39.Nd6 Bd6+= 40.Rd6 Re5 41.Kf4 Ra5 42.Rd7 h5+= 43.Rd3 hg4 44.hg4 g5 45.Ke4 Kg6 46.Rd6 f6 47.Rd5 Ra4 48.Kf3 Ra3 49.Rd6 Rb3 50.Ra6 Rc3 51.Ra4 Rb3 52.Kg2 Rb6 53.e4 Rb5 54.Ra7 Rc5 55.Rd7 Ra5 56.Rd5 Ra4 57.f3 Ra6 58.Kf2 Rb6 59.Ke3 Ra6 60.Rd3 Kf7 61.Rb3 Ke6 62.f4 gf4 63.Kf4 Ra5 ½–½. Kruchev,Boris (2340) – Kolganova,Natalia (2165), Krasnodar Stepanov mem op, 2004.

9.Qc2 b6 10.Bd3 N7f6 11.Nc3 Bb7 (11...Nc3 12.Bc3 Bb7 13.Ng5=) 12.Ke2 (12.Nd5!? Bd5 13.e4+=) 12...h6=+ 13.h4 (13.Nd5 Bd5 14.Ba6 Rb8=+) 13...Rc8–/+ 14.Rag1 (14.Nd5 Bd5 (worse 14...Qd5 15.Bf6 gf6 16.Qa4=) 15.Qa4 Bc6=+) 14...Nc3 15.dc3 Qe7 16.a4 e5 17.Bf5 Rc7 18.c4 Bd6 19.g4 Nd5! 20.Rh3 (20.cd5 Rc2 Double attack (20...Rc2 Pinning; 20...Rc2 Deflection; 20...Rc5 Decoy)) 20...Re8 (20...Nb4 21.Qb3 Rc4 22.g5–+) 21.Rhg3? (better 21.Qb3 Ba6 22.Nd2–/+) 21...Nb4–+ 22.Qc3 (22.Qb3 e4 23.Nd4 Bg3 24.fg3 Ba6–+) 22...Rc4!! 23.Qd2 (23.Qc4 Bf3 Double attack) 23...Bf3 24.Rf3 e4 25.Be4 (25.g5 ef3 26.Kf3 h5–+) 25...Qe4 26.Rc1 Rc1 27.Bc1 Qc4 28.Kd1 Rc8 (28...Rc8 29.Ba3 Qb3 30.Ke2 Rc2 31.Qc2 Qc2 (31...Qa3?! 32.Qc8 Bf8 33.Qc4 Qa2 34.Qa2 Na2 35.e4–/+) 32.Kf1 Nd3–+) 0–1. Palacios Sanchez,Gabriel (1940) – Varela Cuadrado,Cesar (1730), 29th Internacional Vila de Sant Boi – M, 2017.

9.Nc3 Nc3 10.Bc3 Be7 11.d4 b6 12.Bd3 Bb7 13.Qc2 Rc8 14.Bh7 Kh8 15.h4 (better is 15.Bd3!?+=) 15...Bf3 16.gf3 Qc7 17.Kd2 Qc3 18.Qc3 Rc3 19.Kc3 Kh7 20.Kd3 Rd8 21.Rac1 a5 22.a4 e5 (22...Nc5!? 23.Kc4 Na4–/+) 23.Kc4+= ed4 24.ed4 Bf6 25.Rcd1 Rc8 26.Kd5 Rd8 27.Ke4 Nb8 28.d5? Na6 29.d6 Nc5 30.Kd5 Na4 31.Kc6 Nc3 32.Ra1 a4 33.Kb6 Rd6 34.Kc5 Rd2 35.Rhf1 a3 36.Kb4 a2 37.Kb3 Rd7 38.Kc2 Rb7 (38...Rb7 39.f4 Nd5 40.Ra2 Nb4 41.Kb3 Na2 42.Ka2 Kg6–+ (worse is 42...Bh4 43.Rh1 g5 44.fg5–+)) 0–1. Blasius,Stefan (1715) – Wilmes,Marcel (1820), GER Cup Amateur GrAB 1st, 2000.

9.Nc3 Nc3 10.Bc3 Be7 11.Be2 Bf6 12.Bf6 Nf6 13.0-0 b6 14.d4 Bb7 15.Nd2 Nd5 16.Qb3 Rc8 17.Rac1 Qg5 18.Nf3 Qe7 19.Nd2 Rc7 20.Rc7 Qc7 21.Qc4 Rc8 22.Qc7 Rc7 23.Bf3 Rc2 24.Ne4 Ba6 (24...Nc3 25.Nc3 Bf3 26.gf3 Rc3 27.Ra1+=) 25.Ra1= Nc3 26.Nc3 Rc3 27.g3 Kf8 28.Kg2 Bc4 29.h4 b5 30.g4 Ke7 31.g5 Kd6 32.h5 a5 33.Kg3 g6 (33...e5 34.de5 Ke5 35.Bc6+=) 34.Be4 a4 35.Kf4 Rb3 36.f3 Rb2 37.hg6 hg6 38.Bb7 Ra2 39.Rh1? (better is 39.Ra2 Ba2 40.Be4=) 39...Ra3–+ 40.Rh8 b4 (40...Rc3 41.Ra8–+) 41.e4 (41.Be4 Rc3 42.Rd8 Ke7 43.Rb8–+) 41...b3 42.e5 Kd7 43.Rh7?? (43.Rb8–+) 43...b2 44.Be4 Bd5 45.Rf7 Ke8 (45...Ke8 46.Rb7 Bb7 47.Bg6 Kf8–+) 0–1. Krois,Andreas – Banik,Norbert, Ruhrgebiet VK4, 1998. (=1.a3 Nf6 2.b4 d5 3.e3 e6 4.Bb2 c5 5.bc5 Bc5 6.Nf3 Nbd7 7.c4 0-0 8.cd5 Nd5)

9.Nc3 N7f6 10.Qb3 Qb6 11.Bc4 Nc3 12.Bc3 Qd8 (12...Qb3!? 13.Bb3 a5=) 13.0-0+= b6 14.Rad1 (14.Ne5 Bb7+=) 14...Bb7= 15.Ne5 Bd5 (15...Ne4 16.Bb4=) 16.Nd3 (16.d4!? Bd6 17.Bb4+=) 16...Bc4 17.Qc4 Ba3 18.Nf4 (18.Ra1 Be7+=) 18...Qe7 19.Qa6 Bd6 20.Ne2 Ne4 21.Ba1 (21.f3 Nc5 22.Qa2 Qg5–/+) 21...Qh4 (21...Rac8!?–+) 22.f4–/+ Bc5 23.Rf3 Rfd8 24.Qb7?? (better is 24.d4–/+) 24...Nd2 (better is 24...Be3 25.Kf1 Nd2 26.Rd2 Bd2–+) 25.Rg3 Nf3! 26.Kf2 Nh2 27.Nd4 Ng4 28.Kf3 e5 29.Rg4+/– e4?? 30.Qe4+– Qh5 31.Kg3 Re8 32.Qf3 g6 33.Rh4 Qf3 34.Kf3 f5 35.g4 fg4 36.Rg4 Rad8 37.Rh1 b5? 38.Rg5+– Rc8 39.f5 Re5 40.Rh7! Re3?? 41.Ke3 Kh7 42.Rg6 a5 43.Ke4 Rb8 44.Ne6 Ba3 1–0. Tagirov,Kajum K – Leschenko,Andrey, 5th Cup Governov B, 2009.

9.Nc3 N7f6 10.Nd5 Qd5 (10...Nd5 11.Rc1 Bd6 12.e4=) 11.d4 (11.Bf6 gf6 12.d4 Bd6+=) 11...Be7 12.Bd3 Ne4 13.0-0 Bd7 14.Qc2 f5 (14...Rac8 15.Qb1 Bc6 16.Rd1+=) 15.Rfc1 Rac8 16.Qb1 (16.Bc4!? Qd6 17.Qb3+=) 16...Nd2?? (better is 16...Rc1 17.Qc1 Rc8=) 17.Nd2+– 1–0. Fournier,Frederic (1825) – fedebini2000, Active, 2011.

9.Nc3 N7f6 10.Be2 Be7 11.0-0 Nc3 12.Bc3 a6 13.d4 b5 14.Bb2 Bb7 15.Qb3 Bd5 16.Qc2 Rc8 17.Qb1 Be4 18.Qe1 Rc2 19.Rb1 Re2 (19...Qd5!? 20.Bd1 Rf2 21.Rf2 Bb1–/+) 20.Qe2+= Bb1 21.Rb1 Ne4 22.Ne5 Qd5 23.f3 Nf6 24.h3 Bd6 25.e4 Qb7 26.Nd3 Be7 27.Rc1 Rc8 28.Qd2 h6 29.Rc8 Qc8 30.Qc1 Qc1 31.Nc1 Nd7 32.Nb3 Bd8 33.Kf2 Bb6 34.Ke2 a5 35.Kd3 Kf8 36.Bc3 a4 37.Nd2 g6 38.Bb4 Ke8 39.g4 Nb8 40.Nb1 Nc6 41.Bc5 Ba5 42.f4 Kd7 43.d5 ed5 44.ed5 Ne7 45.Ke4 Nc8 46.f5 Nd6 47.Bd6 Kd6 48.fg6 fg6 49.h4 Bb4?? 50.ab4+– 0–1. Fournier,Frederic (1810) – JuanGuerreroA (1805), Active (5/1), 2005.

9.d4 Bd6 10.Bd3 Qe7 11.0-0 h6 12.Nbd2 b6 13.Qe2 Bb7 14.Rfc1 Rac8 15.Ne4 Rc1 16.Bc1 Bb8 17.Bb2 N7f6 18.Nf6 Qf6 19.Rc1 Bd6 20.Qd1 Qe7 21.Qb3 Nf6 22.Be2 Bd5 23.Qa4 Ne4 24.Qa6 Qf6 25.Rc8 Qg6 26.Rf8+= Bf8 27.Bf1 Nf6 28.Ne5+/– Qh5 29.Qe2 Qf5 30.Qd3 Be4 31.Qe2 Bd5 32.f3 Qb1 33.Qd2 Bb7 34.Qc1 Qc1 35.Bc1 Nd5 36.Kf2 f6 37.Nd3 Nc3 38.Nb4 ½–½. Fournier,Frederic (1860) – Paul,Victor Emmanuel (1950), Coupe, 2005.

8.Nc3 b6 9.Qc2 Bb7 10.cd5 ed5 11.d4 Bd6 12.Bd3 f5 13.0-0 Nd7 14.Nb5 Rc8 15.Qa4 Bb8 16.Rfc1 Rc1 17.Rc1 f4 18.ef4 Rf4= 19.Be4 de4 20.Ne5 Ne5 21.de5 (21...Qh4 22.Qc4 Rf7 23.Bd4=). Tihomir Glowatzky – amoruritme, ChessWorld.net, 2005.

8.Nc3 b6 9.Qc2 Nf6 10.cd5 Nd5 11.Nd5 Qd5 12.Qc3 =.

8.Nc3 Nc6 9.cd5 Nc3 10.Bc3 Qd5 11.d4 =.

8.d4 Qb6 9.Qc2+= Be7 10.Bd3 Nd7 11.0-0 Ndf6 12.Ne5 dc4 13.Nc4 Qc7 14.Rc1+/– Nd6 15.Nd6 Qd6 16.e4 Qf4 17.e5 Nd5 18.Bh7 Kh8 19.Be4 Bd7 20.Nc3 Rfc8 21.Qd3 Nc3 22.Rc3 Rc3 23.Bc3 Bb5 24.Qb1 Rc8 25.g3 Qg4 26.f3 Qh5 27.Qb5 f5 28.Bb4 fe4 29.Qb7 Rc2 30.Qa8 Bf8 31.Qf8 Kh7 32.h4 ef3 33.Qf4 f2 34.Qf2 Rf2 35.Kf2 Qf5 36.Ke3 Qc2 37.Rf1 Qb3 38.Kf2 Qb2 39.Kf3 Qd4 40.Bd6 Kg6 41.Kg2 Qe4 42.Kh3 Kh5 43.Rg1 Qf3 44.Rg2 a5 45.Rg1= Kg6 46.Rc1 Kf5 47.Rb1 a4 48.Rc1 g5 49.hg5 Kg5 50.Kh2 Qe2 51.Kh3 Qd3 52.Rc7 Qe4 53.Kh2 Qe2 54.Kh3 Qf1 55.Kh2 Qe2 56.Kh3 Qf1 57.Kh2 Qe2 58.Kh3 Qf1 59.Kh2 ½–½. orane – Rasputin, caissa.com, 2007.

8.d4 Be7 9.Bd3 =.

8.Qc2 Nc6 9.Nc3 a6 10.cd5 ed5 11.d4 Bd6 12.Bd3 h6 13.0-0 Bg4 14.Nh4 Ne4 15.g3 (15.Ne4? de4 16.Be4 Qh4–+; 15.Nd5 Rc8 16.Be4 Nd4 17.Bh7 Kh8 18.Bd4 Rc2 19.Bc2 Qh4–/+; worse is 15.Be4 de4 (worse is 15...Qh4 16.g3 Qh5 17.Bd5+=) 16.Ne4 Bh2 17.Kh2 Qh4 18.Kg1 Bf5+=) 15...Nc3 16.Bc3 Ne7 17.Rab1 b5 18.a4 ba4 19.Qa4 Bd7 20.Qa2 a5 21.Rfc1 Bg4 22.e4 de4 23.Be4 Ra7 24.Qd2 a4 25.d5 Qd7 26.Qd4 f6 27.Bb4 Bb4 28.Rb4 f5 29.Bc2 g5 30.d6 (30.Ba4?! Qd6 31.Ng6 Ng6+/–) 30...gh4 31.Ba4 Rc8 32.Rc8 (32.Bd7?? Rc1 33.Qd1 Rd1 34.Kg2 h3) 32...Qc8 33.Rb1 (33.Qa7?? Qc1 34.Bd1 Qd1 35.Kg2 h3) 33...Rb7 34.Re1 (34.Re1 Qf8 A) 35.de7?! Re7 36.Rf1 hg3+=; B) 35.Re7?? Rb1 36.Bd1 Rd1 (36...Bd1? 37.Qd5 Kh8 38.Re1+–) 37.Qd1 Bd1–+; C) 35.Qc4 Qf7 C1) 36.de7?! Re7 (worse is 36...Qc4 37.e8Q Kg7 38.Bc6+/–) 37.Qc8 Kh7 38.Re7 Qe7=; C2) 36.Qa6+–) 1–0. Woelfelschneider,Peter – Fischer, 2009.

8.cd5 ed5 9.Nc3 Nc6 10.Be2 d4 11.ed4 Nd4 12.Nd4 Qd4 13.0-0 Bd7 14.Qb3 (14.Bf3 Qb6 15.Rb1 Bf5=) 14...Bc6 15.Nd5?? (better is 15.Rad1+=) 15...Qd5–+ 16.Bc4 (16.Qd5 Nd5 17.Rfe1–+) 16…Qg2 0–1. Fournier,Frederic (1660) – fxdrago (1790), Active, 2006.

8.cd5 ed5 9.d3 Qb6 10.Qd2 Bg4 =.

8.cd5 ed5 9.Be2 Nc6 (9...Qb6 10.Nc3=) 10.d3 Qb6 11.Bc3 Bf5 12.0-0 Rac8 13.a4 Nd7 14.a5 Qd8 15.Qb3 Nc5 16.Qb2 Nd3 17.Bd3+= Bd3 18.Rd1 d4 19.Nd4+= Ba6 20.Nd2 Ne5 21.Ne6 Nd3 22.Nd8 Nb2 23.Bb2 Rfd8 24.Bd4 Bb4 25.Nb3 Bc4 26.Rdb1 a6 27.h3 Be7 28.Bb6 Rd3 29.Nd4 g6 30.Rc1 Ra3 31.Rab1 Ra2 32.Rc3 Ba3 33.Nf3 Be6 34.Rc8 Bc8 35.Rd1 Be7 ½–½. marekt – miquelstone, ChessWorld.net, 2004.

8.cd5 Nd5 9.Nc3 Nc3 10.Bc3 Bf6 (10...Bd7 11.Ne5=) 11.Bf6 Qf6 12.Be2 b6 13.0-0 Bb7 14.d4 Nd7 15.Rc1 Qg6? (15...Rad8 16.Rc7 Bf3 17.Bf3+/– (worse is 17.gf3 Nc5=)) 16.Qc2 (16.Rc7 Bf3 17.Bf3 Rad8+–) 16...f5? (better is 16...Be4 17.Qc7 Nf6+=) 17.Qc7+– Bf3 18.Bf3 Nf6? 19.Ba8 Ra8 20.Qg3 Qf7 21.Qe5 Ne4 22.Rc7 Qg6 23.Rfc1 Nd2 24.Rc8 Rc8 25.Rc8 Kf7 26.Qc7 Kf6 27.Qd8 Kf7 28.Rc7 (28.Qf8) 1–0. Fournier,Frederic (2160) – AGNOSTICO82 (1750), Active (2/0), 2005.

8.Be2 dc4 9.a4 Nc6 10.0-0 b6 11.Na3 c3 ½–½. Woelfelschneider,Peter (2220) – Buzas,Gyula (2195), WC–2013–S–00007, 2010.

8.Be2 dc4 9.Bc4 b5 (better is 9...a6!?+=) 10.Bb5+= Qb6 11.Nc3?? (better is 11.Qb3+=) 11...a6–/+ 12.Ba4 Qb2 13.Bb3 Nd5 (worse is 13...Ba3 14.Na4 Qa1 15.Qa1+/–) 14.Nd5 ed5 15.Nd4 Bc5 16.Ra2 Bd4 17.Rb2 Bb2 18.Bd5 Ra7 19.Qb3 Be5 20.d4 Bc7 21.0-0 Nd7 22.e4 Nf6 23.Bc6 Be6 24.Qd3 Bb8 25.d5 Bd7 26.Rb1 Be5 27.g3 Bh3 28.d6 Rc8 29.Qe3 Bd6 30.Qa7 Rc6 31.Qb7 Rc8 32.Rd1 h6 33.Qc8 Bc8 34.Rd6 Bb7 35.f3 Ne8 36.Rd7 Bc6 37.Ra7 Bb5 38.Kf2 Nf6 39.Ke3 Nd7 40.Ra8 Kh7 41.Kd4 Kg6 42.Ra7 f6 43.f4 Kf7 44.Kd5 Ke7 45.h3 h5 46.h4 Bf1 47.a4 Bg2 48.a5 Bf1 49.Rc7 ½–½. Degterev,Pavel (2275) – Miettinen,Kristo (2200), WC–2012–S–00006, 2009.

8.h3 Nc6 9.cd5 ed5 10.Be2 Bf5 11.0-0 Rc8 12.d3 Qb6 13.Bc3 Nd7 14.Nbd2 Nc5 15.d4 Nd7 16.Qa4 a6 17.Rfd1 Nf6 18.Ne1 Rfe8 19.Bd3 Bd7 20.Qc2 Na5 21.Rdb1 Qc7 22.Rc1 Nc4 Exerts pressure on the isolated pawn 23.Bb4 Qd8 24.Qa2 b5 25.Nb3 Ne4 26.Be4 de4 27.Be7 Qe7 28.Nc5 Rc6 29.a4 Bh3 30.ab5 ab5 31.Qb1 Bg2 32.Ng2+/– Nd2 33.Qb5+– Rg6 34.Nd7 Nf3 35.Kf1 ½–½. Degterev,Pavel (2240) – Godat,Terry (2350), WC–2011–T–00006, 2010.

8.0-0 ½–½. Blanco Perez,David (2180) – Torres Maesso,Pedro (2110), Dos Hermanas FM Elo, 2001. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0)

8.0-0 a6 9.c4 dc4 10.Bc4 b5 11.Bb3 (better 11.Be2 Bb7 12.d4=) 11...a5?? Black plans b4 (11...Na5!?=+) 12.a4 (12.Qc2 Nd7 13.d4 a4+-) 12...b4 (12...ba4 13.Ba4 Nb4=) 13.d3?? (better 13.Qc2 Ba6 14.Re1+= (worse 14.Qc5 Bf1 15.Qc6 Rc8=+)) 13...Be7 (13...Ba6 14.Qc2 Bd3 15.Qc5 Bf1 16.Ne1=+ (16.Kf1? Qd3 17.Ke1 Qb3 18.Bf6 gf6-+; worse 16.Qc6 Rc8 17.Qc8 Qc8 18.Kf1 Qa6 19.Ke1 Ne4-/+)) 14.Nd4 (14.Bc4!?=+) 14...Nd4-/+ 15.Bd4 Bb7 (15...Ba6 16.Bc4-/+) 16.Bb2 (16.Nd2!?=+) 16...Rc8 17.Nd2 (better 17.Bc4!?-/+) 17...Qd3-+ 18.Nc4 Qg6 19.f3 Bc5 20.Qe2 Ba6 21.Kh1 (21.Bf6 Qf6 22.Rac1 Rfd8-+) 21...Qh6 (21...Nd5 22.Rfe1 Rfd8 23.Ne5 Be2 24.Ng6 Bf3 25.gf3 hg6 26.Bc1-+) 22.Be5 Nd7 23.Bb2 (23.Bf4 Qf6-+) 23...Nb6 24.Rac1 (24.f4 Nd5 25.Rf3 Ne3 26.Bg7 Bc4 27.Bh6 Be2 28.Rg3 Ng4 29.h3-+) 24...Qe3 (better 24...Bc4 25.Bc4 Be3-+) 25.Rfe1?? (better 25.Qe3 Be3 26.Ne3 Bf1 27.Rf1-+) 25…Qb3 (25...Qb3 26.Qe5 f6 27.Qe6 Kh8 28.Nb6 Qe6 (28...Qb2 29.Nc8 Bc8 30.Qc6+/-) 29.Re6 Rfe8 30.Nc8 Re6-+) 0-1. Darkseid (1745) - WoodyWest (1870), ChessWorld.net, 2009.

8.0-0 a6 9.c4 dc4 10.Bc4 b5 11.d4 Be7 12.Bd3 Bb7 13.Nbd2 Rc8 14.Rc1 Qd7 15.Nb3 Rc7 (15...Na7 16.Qe2=) 16.Nc5+= Bc5 17.Rc5 Nd5 18.Qc2 h6 19.e4 (19.Rd1 Rfc8+=) 19...Nf4 20.Rc1 Nd3 (20...Rfc8 21.d5+=) 21.Qd3 Rcc8 22.d5 (22.Qe3 Rfd8+=) 22...f6 23.Nd2 (23.Qd2 Ne7 24.d6 Rc5 25.Rc5 Rd8+=) 23...Ne7 (23...ed5 24.Qd5 Rf7 25.Nb3=) 24.Qg3+= ed5 (24...Rc5!? 25.Rc5 Bc6+= (25...ed5? 26.Rc7 Qe6 27.Rb7+–)) 25.Rc7+– (25.Rc7 Qe6 26.Rb7 Rc1 27.Bc1+/–) 1–0. Rosner,Dirk – Batres Bianchi,Luis Carlos, CiF, 2001.

8.0-0 Rb8 9.c4 +=.

8.0-0 d4 9.ed4 Nd4 10.Nd4 Bd4 11.Bd4 Qd4 12.Nc3 Bd7 13.Rb1 Bc6 14.Qe2 Qc5 (14...Rfd8 15.Rb4 Qc5 16.Qe3 Qe3 17.fe3=) 15.Qe3 Qa5 (15...Qe3 16.fe3 Rad8 17.Rf4=) 16.Rb3 (16.Rfe1 Rfe8= (16...Qa3 17.Nd5 Qa5 18.Nf6 gf6 19.Qh6+–)) 16...Rac8 17.Rfb1 (17.Re1 Rfd8=) 17...Rfd8 18.Re1 (18.Rb4 A) worse is 18...Qa3 19.Nd5 (19.Rb7?? Bb7 20.Rb7 Qc1 21.Bf1 a5–+) 19...Kh8 20.Nf6 Rd3 21.cd3+– (21.Qd3?! Qd3 22.cd3 a5+=); B) 18...b6=) 18...a6 19.Reb1 (19.Qf4 Nd7 20.Re3 g6=) 19...Nd7 (19...Ng4!? 20.Qh3 h5+=) 20.Rb4 Ne5 21.Bf1 Rd7 (21...Ng6 22.a4=) 22.Ne2 Qc7 (22...Qd5 23.Nf4 Qd6 24.Nd3=) 23.h3 a5 24.Rd4 Ng6 25.Rd7 Qd7 26.Nd4 Bd5 (26...Ba4 27.c4=) 27.Bd3 Nh4 28.f3 Ng6 29.Ne2 Bc4 30.Bc4 Rc4= 31.Rb2 Qd6 32.Rb6 Qd5 33.Rb2 Qd6 34.Rb6 ½–½. Leyen – Coltharp, email 4AMM–07, 1997.

8.0-0 Bd6 9.c4 e5 (9...dc4 10.Bc4 Bd7 11.Bf6 Qf6 12.Nc3=) 10.cd5= Nd5 11.Qc2 (11.Nc3 Be6=) 11...h6 12.Nc3 Nc3 (12...Be6 13.Rfc1=) 13.Bc3 Qe7 (13...Be6 14.Bh7 Kh8 15.Be4=) 14.Be4+= Bd7 15.Qb2 (15.Rab1 b6+=) 15...Rab8 16.Rfe1 f5 (16...Rfe8 17.d4+=) 17.Bd5 Be6 18.e4 fe4 19.Be4 Qf7 20.d3 Qh5 (20...Qc7 21.g3+=) 21.a4 Rf4 (21...Rf7 22.Rac1+=) 22.Re3+/– Rg4 (22...Rff8 23.h3+/–) 23.g3 Re4 (23...Bc7 24.a5+/–) 24.de4 Bc5 25.Ne5 Be3 26.Nc6 Bb6 27.Ne7 (27.Nb8?? Qf3 28.Qa2 Kh7–+) 27...Kf7? (27...Kh7 28.Bg7 Qf3 29.Nd5+=) 28.Nd5 (28.a5 Bc7 29.Nd5 Bd5 30.ed5 Qg4+–) 28...Qf3 (28...Bd5!? 29.ed5 Re8+–) 29.Nf4+– (29.Nb6 Bh3 30.Qb3 Kg6 31.Qe6 Be6 32.Nd5 Rf8 33.Ne7 Kh7 34.Nf5 Rf5 35.Be1 Qe4 36.Rb1 Qb1 37.Kf1 Bc4 38.Kg2 Qe4 39.f3 Qf3 40.Kh3 Rh5; 29.Bg7?! Bd5 30.ed5 Re8+=) 29...Re8 (better is 29...Bc4 30.a5 Bc5+–) 30.Rf1?? (better is 30.a5 Bc5 31.Ne6 (31.Qb7?! Re7 32.Qb2 Bc4+/–) 31...Re6 32.Qb7 Be7 33.Bb2+–) 30...Bc4= 31.a5 Bf1?? (better is 31...Re4 32.ab6 Rf4=) 32.Qb3+– (32.ab6 Qd1 33.Qd2 Rd8–/+) 32...Bc4 33.Qc4 Ke7 34.ab6 ab6 35.Qc7 (35.Qc7 Kf8 36.Qg7#) 1–0. Duz Khotimirsky – Vatnikov, Vilnius, 1949.

8.0-0 Re8 9.Ne5 Qb6 10.Ra2 d4 11.ed4 Bd4 12.Nc4 Qd8 13.Bd4 Qd4 14.Nc3 e5 15.Nb5 Qc5 16.Nc7 Be6 17.Ne6 Re6 18.Rb2 (18.Ne3 Rd8=+) 18...e4–/+ 19.Be2 b5 20.Ne3 a6 21.a4 ba4 22.Ra2 a3 23.Qa1 (23.Re1 Rb8–/+) 23...Nb4–/+ 24.Ra3 Nc2 25.Nc2 Qc2 26.Ba6 Qd2 27.Bc4 Ra3 28.Qa3 Re8 29.Qb3. Morphystyle – marekt, ChessWorld.net, 2004.

8.0-0 Re8 9.Ne5= Qb6 10.Bc3 (10.Ra2 d4 11.Nc6 bc6 12.ed4 Bd4 13.Bd4 Qd4+=) 10...d4+= 11.ed4 Nd4 12.Re1 Rd8 (12...Qd6 13.Nf3+=) 13.Bb4 (13.Ng4 Nd5=) 13...Bb4+= 14.ab4 Qb4 15.c3 Qb2 16.Ra4 (16.Qa4 Nc6 17.Bb5 Rd5 18.Nc6 Rb5 19.Ne7 Kf8 20.Nc8 Rc8 21.Qa7 Re5=) 16...Nc6+= 17.Nc6 bc6 (worse is 17...Rd3 18.Nb4 Rd4 19.cd4+–) 18.Rb4 Qa2 19.Ra4 Qd5 20.Rd4 Qa5 21.Qa4 Qb6 22.Rd8 Qd8 23.Qc6 Rb8 24.Qf3 Rb2 25.Qe3 Qd6 (25...a5 26.Na3+=) 26.c4 (26.Be2 a5+=) 26...Ng4 27.Qg3 Qg3 28.hg3 f6 29.f4 (29.c5 Ne5 30.Be4 f5 31.Bf5 ef5+=) 29...e5–/+ 30.c5 a5 31.Be4 Be6 (31...Kf7 32.c6+=) 32.c6= Kf7 (32...g6 33.c7 Kg7 34.Na3 Rd2 35.Nc4+=) 33.c7 Ke7 ½–½. Schulz,Hans_Juergen – Hanison,Bernard, TT–14.08 ETC, 2004.

8.0-0 Re8!? 9.Ne5 Rb8 +=.

8.Ng5 h6 (8...e5 9.Be2-/+) 9.h4 (9.Nf3 Bd6=+) 9...d4 (better 9...e5 10.Nh3 d4-/+) 10.Qf3? (better 10.Ne4!? Ne4 11.Be4-/+) 10...Ne5 (10...hg5 11.hg5 Re8 12.gf6 Qf6 13.Qh5+/-) 11.Qg3? (better 11.Qe2 Nd3 12.Qd3 de3 13.Qd8 ef2 14.Ke2 Rd8 15.Bf6 gf6 16.Ne4-+) 11...Nd3 12.cd3 Re8?? (12...Qb6 13.Bc1 Qc6 14.Bb2-+) 13.a4? (better 13.Ne4!? Ne4 14.de4-/+) 13...Bd6 (13...Qb6 14.Ba3 Ba3 15.Na3 de3 16.fe3 hg5 17.Nc4-/+) 14.Qh3? (14.Qf3 de3 15.fe3 hg5 16.hg5=+) 14...e5 (14...hg5?! 15.hg5 Kf8 16.gf6 Qf6 17.f4= (17.Bd4? e5 18.Qh4 Qh4 19.Rh4 ed4-+)) 15.Qh2 (15.Qg3 Qb6 (15...hg5?! 16.hg5 Nd5 17.Qh2-+) 16.Ba3 Ba3 17.Na3 de3 18.fe3 hg5-+) 15...Qb6 (15...Ng4 16.Nf7 Kf7 17.Qg1-+) 16.Ba3 Ba3 (16...hg5 17.hg5 Kf8 18.gf6 gf6 19.a5=) 17.Na3 Qb2 (17...de3 18.fe3 Ng4 19.Qg3 hg5 20.hg5-+) 18.0-0? (18.Ke2 de3 (18...hg5?? 19.hg5 Bg4 20.f3+-) 19.fe3 Bf5-+ (19...hg5 20.Rhb1 Qa1 21.Ra1+=)) 18...Qd2 (better 18...Ng4 19.Qg3 hg5 20.hg5 Qd2 21.ed4 ed4-+) 19.Nc4-/+ Qc3 20.Ne5? (better 20.Nf3!? Ng4 21.Qg3 de3 22.fe3 Qd3 23.Rac1-+) 20...de3 (20...hg5 21.Rac1 Qa5 22.hg5 de3 23.fe3 Qe5 24.Qe5 Re5 25.gf6 Re3 26.Rfd1-+) 21.Ngf7 (21.Ngf3 ef2 22.Kh1-+) 21...ef2 22.Kh1 Bf5 (better 22...Ng4 23.Qf4 Ne5 (23...Re5?! 24.Ne5 Qe5 25.Qe5 Ne5 26.Rf2 Nd3 27.Rc2-+) 24.Ne5 Re5-+) 23.Rac1 (23.Qg3!? Kh7 24.Qf2=+) 23...Qd4=+ 24.Qg3 Rac8?? (better 24...Re5 25.Ne5 Nh5 26.Qf2 Qe5-/+) 25.Nh6+- Kf8 26.Qg7 (26.Nf5 Nh5 27.Ng6 (27.Nd4 Ng3 28.Kh2 Nf1 29.Rf1 Re5-/+) 27...Kf7 28.Qf3+- (28.Nd4 Ng3 29.Kh2 Rc1 30.Rc1 f1Q 31.Rf1 Nf1 32.Kg1 Kg6 33.Kf1 Re3-+)) 26...Kg7= 27.Nf5 Kg8 28.Nd4 Re5?? (better 28...Rc1 29.Rc1 Re5=) 29.Rc8+- Kf7 (29...Kh7 30.Nf3 Ra5 31.Rc4+-) 30.Rf2 Re2 (30...Re1 31.Kh2+-) 31.Rc7 (31.Re2 Kg6 32.Re6 Kg7 33.Rc7 Kg8 34.Rf6 b6 35.Ne6 b5 36.Rf8) 31...Kg6 (31...Re7 32.Re7 Ke7+-) 32.Re2 (32.Re2 b6 33.Re5 Ng4 34.Re6 Kh5 35.Rh7 Nh6 36.Rhh6 Kg4 37.Kh2 b5 38.Re4) 1-0. TwelveTeen (2365) - michal3141 (1950), lichess.org, 2017. (=1.a3 c5 2.b4 d5 3.Bb2 e6 4.bc5 Bc5 5.e3 Nf6 6.Nf3 0-0 7.Bd3 Nc6)

8.0-0 a6 9.c4 Be7 10.cd5 ed5 11.Nc3 b5 12.Bc2 Bb7 13.Nd4 b4 14.Nce2 a5 15.ab4 Bb4= 16.Ba3 Ba6 17.Bb4 ab4 18.Re1 Nc5 19.d3 Qc7 20.Ng3 Rfb8 21.Nb3 Nfd7 22.Nc5 Nc5 23.d4 Nd7 24.Rc1 Bc4 25.e4 Qb7 26.ed5 Nf6 27.Bb3 Bb3=+ 28.Qb3 Qd5 29.Qd5 Nd5–/+ 30.Rc4 b3 31.Rb1 g6 32.Kf1 b2–+ 33.Ne4 Ra1 34.Nd2 Rba8 35.Rc2 R8a2 36.Ke2–/+ Nf4 37.Kf3=+ Nd3 38.Ke2 Nc1 39.Ke3 Ra3 40.Ke4 f5 41.Kd5=+ Nd3 42.Rc8 Kg7 43.Rb8 Rc3 44.R8b2= Rb1 45.Nb1 Rc1 46.Rb7 Kf6 47.g3= Nf2 48.Na3 h5 49.Rb6 Kg5 50.Nc4+/– f4 51.gf4 Kf5 52.Ne5 Nd1 53.Kd6 Ne3 54.Rb3+/– Ke4 55.Ke6 Ra1 56.Ng6 Ra6 57.Kf7 Nf5 58.Rb8 Nh6 59.Kg7 Nf5 60.Kh7 Ra7 61.Kh8 Nd4 62.Rf8 Nf5 63.Re8+= Kf3 64.Rf8 Ke4 65.h3 h4 66.Rb8 Ra6 67.Rg8 Rf6 68.Re8 Kf3 69.Rg8 Ke4 (69...Kg3 70.Rf8 Rf8 71.Nf8=) ½–½. gobo – Harismuha, ChessWorld.net, 2006.

8.0-0 Re8 9.c4 dc4 (9...e5 10.Be2=+) 10.Bc4= b6 11.d4 Bf8 12.Nbd2 Bb7 13.Qe2 Rc8 14.Rfc1 Ne4 15.Ne4 Be4 16.Ba6 Rc1 17.Rc1 Qb8 18.Bb5 Rd8 19.h3 Bd6 20.Ng5 Bg6 21.Qf3 Nf6 22.e4? (22.Bc6 h6 23.Ne4 Be4 24.Be4 Ne4 25.Qe4 Rc8=) 22...h6?? (better 22...Bh2 23.Kh1 Bf4-+) 23.e5= hg5 24.ef6 Bf4 (better 24...Bh2 25.Kh1 Bf4=) 25.fg7 (better 25.Rc6+=) 25...Bc1-/+ 26.Bc1 Rd5 (26...Kg7?! 27.Bg5 Rd5 28.Bf6 Kg8 29.Be5 Re5 30.de5 Qe5 31.Bc6=) 27.Bc6? (27.Be2 Qd6-/+ (27...Rd4?! 28.Bg5 Qc7 29.Bf6 Qc1 30.Bf1=)) 27...Rf5?? (better 27...Qc7 28.Bd5 Qc1 29.Kh2 ed5 30.Qd5 Qa3 (30...Kg7?! 31.Qd6-+) 31.Qg5 Qd6 32.Qg3 Qd4 33.Qb8 Kg7 34.Qa7 Qf2 35.Qa1 Qf6-+) 28.Qe3-/+ Kg7 (28...Qd6 29.Qc3 Kg7 30.Bd2-/+) 29.Be4 Ra5 30.Bd2 Rb5 (better 30...Ra3! 31.Qa3 Be4=+) 31.a4+= Rb2 32.Bg6 (32.Bc3 Rb3 33.d5 Kh6 34.Bg6 Kg6 35.Qe4 Kh6=) 32...fg6 (better 32...Qf4 33.Qf4 gf4-/+) 33.d5? (better 33.Qg5 Rb1 34.Bc1-/+) 33...Rb1-+ 34.Be1 e5 (better 34...ed5 35.Qe7 Kh6-+) 35.Kh2-/+ e4 36.g3 Kh6 37.Qe4 Rd1 38.h4 (better 38.Bc3 Qf8 39.Bd4+=) 38...Qd8-/+ 39.Bc3 (better 39.Bb4!? Qd5 40.hg5 Kg7 41.Qe7 Qf7 42.Qe2-/+) 39...Qd5-+ 40.hg5 Qg5 (40...Kg5?? 41.Qf4 Kh5 42.Qh4) 41.Kg2 Qd5 42.Kf3?? (42.Qd5 Rd5 43.f4 Rd3-+) 42...Qe4 (42...Rd3 43.Kg2 Qe4 44.Kh2 Rd1 45.Bd2 Rd2 46.Kh3 Qh1 47.Kg4 Rd4 48.f4 Qh5) 43.Ke4-+ Rc1?? (43...Kg5 44.f3-+) 44.Bd4 (better 44.Bd2 Kg7 45.Bc1+-) 44...Rc4-+ 45.Kd5 (45.a5 ba5 46.Kd3 Rc7-+) 45...Ra4 46.f4 (46.Be3 Kh5 47.f3-+) 46...Rd4! 47.Kd4 Kh5 48.Ke4 (48.Ke5 a5 49.f5 gf5 50.Kf5 a4 51.g4 Kh6-+) 48...Kg4 49.Ke5 Kg3 (better 49...a5 50.Kf6 Kg3 51.f5 gf5 52.Kf5-+) 50.f5 gf5 51.Kf5 b5 52.Ke4 b4 53.Kd3 a5 54.Kc4 Kf4 55.Kb3 Ke5 56.Ka4 Kd5 57.Ka5 Kc4 58.Ka4 b3 59.Ka3 Kc3 60.Ka4 b2 61.Ka3 (61.Kb5 Kd4 62.Kb6 b1Q 63.Kc6 Qg6 64.Kb7 Kd5 65.Kc7 Qc6 66.Kd8 Qb7 67.Ke8 Ke6 68.Kd8 Qd7) 61…b1Q (61...b1Q 62.Ka4 Qb4) 0-1. black_bishop_88 (2620) - TrickOrTreat (2475), lichess.org, 2020. (=1.a3 d5 2.b4 e6 3.Bb2 Nf6 4.e3 c5 5.bc5 Bc5 6.Nf3 0-0)

8.Nc3 b6 9.Ne2 Be7 10.Ng3 Nc5 11.Be2 Na4 12.Bd4 Bc5 13.c4 (13.Bc5!? bc5 14.0-0=) 13...Bd4–/+ 14.Nd4 (worse is 14.ed4 Nb2 15.Qb3 Nc4–/+) 14...Bd7 (14...Nb2!? 15.Qc2 Nc4 16.Bc4 dc4 17.Qc4 Bb7+=) 15.cd5= Nd5 16.0-0 Rc8 17.Ba6 Rc7 18.f4 Nc5 19.Bb5 (19.Bc4 Qf6=) 19...Bb5+= 20.Nb5 Rd7 21.Nd4 Nd3 22.Qe2 (better is 22.f5!? e5 23.Qc2+=) 22...N5f4!–+ 23.Qg4 (23.ef4 Rd4 Discovered attack (23...Rd4 Deflection; 23...Rd4 Overloading); 23.Rf4 e5 Double attack (23...e5 Decoy)) 23...Rd4 24.ef4 Ra4 25.Kh1 Qd4 26.Rab1? (26.Qf3–+) 26...Nf2 27.Rf2 Qf2 28.Nh5 Qd4 29.h4 g6 30.Rb5 (30.Rb4 Rb4 31.ab4 Kh8–+) 30...Kh8 31.g3 (31.Ng3–+) 31...gh5 32.Rh5 (32.Qf3 Qd2 33.Rb1 Rc8–+) 32...Qe4 (32...Ra3 33.Qe2 Ra1 34.Kg2 Qg1 35.Kf3 Rf1 36.Kg4 f5 37.Rf5 Rf5 38.Qe5 Re5 39.fe5 Qf2 40.Kh3 Rh1 41.Kg4 Qf5#) 33.Kh2 Ra3 34.Qg5 (34.Re5 Qd3 35.f5 Rg8–+) 34...Qg6 (34...f6 35.Rh7 Kh7 36.Qh5 Kg7 37.Qd1–+) 35.Qe5 (35.Qg6 fg6 36.Re5 Rd8 37.Re6 Rd2 38.Kh3 Rdd3–+) 35...Qg7 (better is 35...f6 36.f5 Qh5 37.Qd6 Qe2 38.Kh3–+) 36.Qe1 Rg8 37.Rg5 Qa1 38.Qe4 Rg5 (38...Rd8!? 39.Qg2–+) 39.hg5 Qb2 40.Kh3 Qg7 41.d3 (41.Qa8 Qg8 42.Qb7 h6–+) 41...Qg6 (better is 41...Qc3!? 42.Kh4–+) 42.Qd4 f6 (better is 42...Kg8 43.Qd8 Kg7 44.Qd4 f6 45.Qd7 Qf7 46.gf6 Kg6–+) 43.Qd8–/+ Kg7 44.Qe7 Qf7 45.gf6 Kg8 46.Qa3+= Qf6 47.Qa7= Qf5 48.Kh4?? b5 49.Qb8= Kg7 50.Qc7 Kh6 51.g4 Qd3?? 52.Qf7 (52.Qf7 Qd8 53.g5 Qg5 54.fg5#) 1–0. Palamides,Carmine – De Blasio,Alessandro, ITA Academia op, 1998. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0)

8.Ra2 Be7 9.Nc3 Bd7 10.Ne5 Bc6 11.Bd3 Nbd7 12.0-0 Ne5 13.de5 Ne4 14.Qg4 Nc5 15.Qd4 f6 16.Ne2 Bb5 17.c4 Ba6 18.Nf4 Nd3 19.Qb6 ab6 20.Nd3 Bc4 21.Nc1 Ba2 22.Na2 Ba3 23.Bd4 Bc5 24.Nc3 Bd4 25.ed4 Rfc8 26.Nb5 Ra2 27.Nd6 Rcc2 0–1. goffy – michaelbuss, ChessWorld.net, 2005.

8.Ra2 Be7 9.Bd3 =.

8.Qc1 Bd6 A) 9.Nbd2 A1) 9...Qc7 10.c4 (10.Bd3 Bd7 11.c4 Nc6 12.Qc3 Be7 13.0-0 g6 14.Rac1) 10...Nc6 11.Bd3 b6 12.Qc3 Bb7 13.0-0 Rfe8 14.Rfe1; A2) 9...Bd7 10.c4 Qd8 11.Bd3 Nc6 12.0-0 h6 13.Bc3 Rc8 14.Qb2; A3) 9...Nc6 10.c4 (10.Bd3 Na5 11.0-0 Bd7 12.Rb1 Qc7 13.Ne5 Rac8 14.f4) 10...Qc7 11.Bd3 Bd7 12.Qc3 Rae8 13.0-0 e5 14.cd5; B) 9.Bd3 B1) 9...Qa5 10.Nbd2 (10.Qd2 Nc6 11.Qa5 Na5 12.Nc3 Bd7 13.Ne5 Rfc8 14.Rd1) 10...b5 11.a4 b4 12.0-0 Ba6 13.c4 bc3 14.Bc3; B2) 9...h6 10.Nbd2 Nc6 11.c4 Qc7 12.0-0 Bd7 13.h3 Be7 14.e4; B3) 9...Bd7 10.0-0 (10.Nbd2 Bb5 11.c4 dc4 12.Nc4 Bc4 13.Bc4 Rc8 14.0-0) 10...Bb5 11.Nc3 Bd3 12.cd3 Nc6 13.e4 Rac8 14.e5; C) 9.c4 C1) 9...Qa5 10.Qd2 (10.Nbd2 Nc6 11.Bd3 Qa4 12.0-0 Re8 13.Bc3 e5 14.c5) 10...Nc6 11.Nc3 Bd7 12.Bd3 dc4 13.Bc4 Qb6 14.0-0; C2) 9...Bc7 10.Nbd2 (10.c5 Qa5 11.Nbd2 Ne4 12.Bd3 f5 13.0-0 Bd7 14.Rb1) 10...Bd7 11.Bd3 Qd6 12.cd5 Nd5 13.Ne4 Qe7 14.Qc5; C3) 9...Be7 10.c5 (10.Nbd2 Nc6 11.Bd3 Bd7 12.0-0 g6 13.h3 Qc7 14.Qc2) 10...Qa5 11.Nbd2 Bd7 12.Bd3 Nc6 13.0-0 h6 14.Qc2.

9.c4 Nc6 10.Nbd2 (10.Be2 dc4 11.Nbd2 Na5 12.Nc4 Nc4 13.Bc4 Bd7 14.Rb1) 10...Ne4 11.Be2 Nd2 12.Nd2 Bd7 13.0-0 Rac8 14.Bc3.

9.c4 Bd7 10.c5 (10.Nbd2 Rc8 11.Be2 Bb5 12.Bc3 Bc4 13.Nc4 dc4 14.0-0; 10.Be2 dc4 11.Nbd2 Nc6 12.Nc4 Qc7 13.0-0 Rac8 14.Qb1) 10...Qc7 (10...Qa5 11.Nc3 Nc6 12.Bd3 Rab8 13.0-0 b6 14.cb6) 11.Bd3 (11.Nc3 Nc6 12.Bd3 b6 13.cb6 ab6 14.0-0) 11...b6 12.cb6 Qc1 13.Bc1 ab6 14.Bb2 Ne4 15.Nc3 (15.Nbd2 Nd6=) 15...Nd6+= 16.Ne5 Bc8 17.a4 f6 18.Nf3 Ba6 19.Nb5 Rc8 20.0-0 Nc6 21.Rfc1 Nb4 22.Rc8 Bc8 23.Be2 Kf7 24.Nd6 Bd6 25.Bc3 Ba6 26.Kf1 g5 27.h3 h5 28.g4 h4 29.Ba6 Ra6 30.Ne1 Nc6 31.Nd3 Na5 32.Ba5 Ra5 33.Rb1 Bc7 34.Rb4 Ra6 35.Nc1 Ke7 36.Ne2 Bd6 37.Rb5 ½–½. Vegjeleki,Adolf (2195) – Zylla,Johannes (2125), corr ICCF WSTT/3/06/Final, 2009.

9.c4 g6 10.c5 (10.Be2 Nc6 11.0-0 Bd7 12.Nbd2 Rac8 13.Qc2 dc4 14.Ne5) 10...Qd8 11.Bd3 Bd7 12.Nc3 Nc6 13.0-0 b6 14.cb6.

9.Nbd2 Bd7 10.c4 (10.Bd3 Rc8 11.0-0 Bb5 12.Bb5 Qb5 13.a4 Qa6 14.Ba3) 10...Rc8 11.Be2 Bb5 12.0-0 Nbd7 13.a4 Ba6 14.Ba3.

9.Bd3 Nc6 10.Nbd2 (10.0-0 Bd7 11.Nbd2 Na5 12.Ne5 Bb5 13.Bb5 Qb5 14.a4) 10...Bd7 11.c4 Rac8 12.0-0 Qc7 13.Qd1 g6 14.h3.

9.Bd3 h6 10.Nbd2 (10.0-0 Bd7 11.Nbd2 Bc6 12.c4 Nbd7 13.Qc2 Rac8 14.a4) 10...Nc6 11.c4 Bd7 12.0-0 Qc7 13.Qc2 Rac8 14.Rac1.

10.Nc3 Qa5 A) 11.Qd2 Nc6 (11...Rc8 12.Ne4 Qd2 13.Ned2 b5 14.0-0 Bd6 15.Ne5 a6 16.e4=) 12.0-0 Rac8 13.e4 de4 14.Ne4 Qd2 15.Nfd2 Nd5 16.f4=; B) 11.0-0 Rc8 (11...Nc6 12.e4 Rac8 13.e5 Ne8 14.Qe3 Nc7 15.Rfb1 f6 16.ef6+=) 12.Qe1 Nc6 13.e4 a6 14.e5 Ng4 15.Qd2 b5 16.Qf4=.

10.Nc3 Nc6 11.0-0 (11.e4 Rfd8 (11...Rac8 12.0-0 a6 13.Rb1 Qa5 14.e5 Ne8 15.Ne2 b5 16.Qe3=) 12.0-0 de4 13.Ne4 Ne4 14.Be4 Na5 15.Bc3 Bc6 16.Qf4=) 11...Rac8 (11...Rfd8 12.e4 de4 13.Ne4 Ne4 14.Be4 Na5 15.Bc3 Bc6 16.Qf4=) 12.Rb1 Qc7 13.Ne2 (13.e4 de4 14.Ne4 Nd5 15.Rd1 Na5 16.Qd2=) 13...Rfd8 (13...Na5 14.Ne5 Bd6 15.Bc3 Nc6 16.Qb2=) 14.c4 dc4 15.Qc4 Nd4 (15...Qd6 16.Rfc1=) 16.Bd4 Qc4 17.Bc4 Rc4 18.Rb7. Fournier,Frederic (2540) – Ethier,Valori (2540), Echecsemail.com (Team), 2013.

10.Nc3 Rc8 A) 11.0-0 Bd6 (11...Qc7 12.Rb1 Bd6 13.e4 de4 14.Ne4 Ne4 15.Be4 Bb5 16.Re1=) 12.Ne5 Qc7 13.Nd7 Nbd7 14.f4 a6 15.Rb1 b5 16.Na2–/+; B) 11.Rb1 Qc7 (11...Qa5 12.Qd2 Nc6 13.e4 a6 14.e5 Ne8 15.0-0 b5 16.Ng5=) 12.0-0 Bd6 13.Qd2 Ng4 14.g3 Nf6 15.Rfe1 Bc6 16.Ng5+=.

10.Nc3 Bd6 A) 11.0-0 Rc8 (11...Rd8 12.Rb1 Qc7 13.Qe1 Ng4 14.g3 Be7 15.e4 Bc6 16.e5=) 12.Ne5 Qc7 13.Nd7 Nbd7 14.f4 a6 15.e4 de4 16.Ne4–/+; B) 11.Rb1 Rc8 (11...Qa5 12.Qd2 Qc7 13.Ne5 a6 14.e4 de4 15.Ne4 Ne4 16.Be4=) 12.0-0 Qc7 13.Qd2 Ng4 14.g3 Nf6 15.Ne5 Be5 16.de5+=.

10.Nbd2 Rc8 11.0-0 Bb5 12.Bb5 Qb5 13.a4 Qa6 14.Ba3.

9.Ra2 A) 9...Bd7 10.Ne5 (10.Bd3 Rc8 11.0-0 Qc7 12.Re1 Bc6 13.Qe2 Nbd7 14.Rb1 Bd6+=) 10...Rc8 11.Bd3 Bd6 12.0-0 Qc7 13.f4 Qa5 14.e4 Be8=; B) 9...Nc6 10.Bd3 (10.Be2 Bd7 11.Ne5 Rac8 12.0-0 Be8 13.Bd3 a6 14.Ng4 Nd7+=) 10...Bd7 11.0-0 Rac8 12.e4 Qa5 13.Qe2 de4 14.Ne4 Nb4+=.

9.Qb1 A) 9...Nbd7 10.Bd3 (10.Be2 a6 11.0-0 Qc6 12.a4 Bb4 13.Nd1 Re8 14.Ba3 Ba5=) 10...Qa5 11.0-0 a6 12.e4 b5 13.Qe1 de4 14.Be4 Ne4=; B) 9...Bd7 10.Bd3 (10.Be2 Nc6 11.0-0 Rac8 12.Bd3 Qc7 13.e4 a6 14.Re1 b5+=) 10...Rc8 11.0-0 Bd6 12.a4 Na6 13.a5 Qc7 14.Ba3 Bh2=.

9.Rb1 A) 9...Qa5 10.Qd2 (10.Qd3 Nc6 11.Be2 a6 12.0-0 Rd8 13.Rfd1 b5 14.e4 Bb7=) 10...Nc6 11.Bd3 Bd7 12.e4 Rfc8 13.e5 Ng4 14.0-0 b6=; B) 9...Bd7 10.Bd3 (10.Qd2 Qc7 11.Bd3 Rc8 12.Ne5 Nc6 13.Nd7 Qd7 14.0-0 a6+=) 10...Qc7 11.Qd2 Rc8 12.Ne5 Nc6 13.Nb5 Qd8 14.0-0 Ne5+=.

9.Qc1 Bd7 10.Bd3 Bc6 11.a4 Bb4 12.0-0 Rc8 13.Ne2 Nbd7 14.c3 Ba5 15.Qc2 Qc7 16.Rfc1 Qd8 17.h3 (17.Ba3 Bc7=) 17...Bc7 18.Nd2 Nb6 Attacking the isolated pawn on a4 19.a5 Nbd7 20.a6 ½–½. Woelfelschneider,Peter – Moeller, 2009.

9.Bd3 Bd7 10.Rb1 (10.Ra2 Rc8 11.0-0 Qc7 12.Re1 Bc6 13.Qe2 Nbd7 14.a4 Ne4+=) 10...Qc7 11.0-0 Rc8 12.Ne5 Bd6 13.Qf3 b6 14.Ne2 Nc6=; 9...Nc6 10.Rb1 (10.0-0 a6 11.Ra2 Qc7 12.e4 b5 13.e5 Nd7 14.Qe2 Bb7=) 10...Qa5 11.0-0 Re8 12.Qd2 Rd8 13.e4 de4 14.Ne4 Qd2 =.

9.Bd3 Ne4 10.Rb1 (10.Ne4? de4 (10...Qb2?! 11.Ned2+=) 11.Be4 Qb2–+; 10.0-0 Nd7 11.Qe2 Qb2 12.Na4 Nc3 13.Nb2 Ne2 14.Be2 a6=; 10.Ra2 f5 11.0-0 Nd7 12.Ne2 Qc6 13.a4 b6 14.Ba3 Qa4=) 10...f5 (10...Qa5 11.Be4 de4 12.Nd2 f5 13.0-0 Bd7 14.Ne2 Ba4=) 11.0-0 a6 (11...Nd7 12.Ne2 Qc6 13.Nf4 a6 14.Qe2 b5=) 12.Ne2 Qc7 13.a4 (13.Nf4 b5 14.Qc1 Bd6+=) 13...Bd7 14.Ne5 (14.Ra1 Rc8=) 14...Ba4+= 15.Nf4 Qc8 16.Ra1 b5 17.Be4 fe4 18.Qg4 Rf5 (18...Bc2 19.Rfc1 Nc6 20.Ne6+–) 19.f3 Bc2 (better is 19...ef3 20.Nf3 Bc2–/+ (20...Qc2 21.Ne6 g6 22.Rac1+–)) 20.Rac1+= Ra7 21.fe4 de4 22.Ne6! Qe6 (22...Qe6 23.Rf5 Discovered attack (23.Rc2 Deflection; 23.Rf5 Remove defender; 23.Rc2 Overloading)) 23.Rf5 Nd7 (23...Qc8 24.Rc2! Qc2 25.Rf2 Qb1 26.Rf1 Qf1 27.Kf1+–) 24.d5 Nf6 25.de6 Ng4 26.Ng4 h6 (26...Ra8 27.Rc2 Rd8+–) 27.Rf7 Bc5 28.Ra7 Ba7 29.Rc2 Bc5 30.Rc5 1–0. BlackDemon (2605) – PapaZex (1665), FICS rated standard game, 2013.

8.c4 Bd7 9.Bd3 dc4 10.Bc4 Bc6 11.0-0 Nbd7 12.Nbd2 Bc7 13.Rc1 Rc8 14.Re1 Nb6 15.Bb3 Qd6 16.Ne5 Nfd7 17.f4 Ne5 18.fe5 Qe7 19.Rf1 Qg5 20.e4 Qe3 21.Kh1 Rfd8 22.Bc3 Be8 23.Rf3 Qg5 24.Qf1 Ba4 25.Rf7 Re8 26.Bb4 Bc6 27.Be6 1–0. Rosner – Zimmermann, Tigerschachclub, 2000.

8.Nbd2 Ba5 9.Bd3 Nc6 10.0-0 Bd7 11.c4 dc4 12.Nc4 Bc7 13.a4 Nb4 14.Ba3 a5 (15.Bb4 ab4+=) +=. Woschkat,Karl_Heinz (+) – Pieleck,Rudi, remoteschach.de, 2003.

8.Bd3= h6 9.0-0 Nc6 10.Nbd2 Re8 11.c4 dc4 12.Nc4 Nh7 13.Bh7 Kh7 14.Qd2 Kg8 15.Rfd1 Ne7 16.Qc3 Nd5 17.Qd3 Bc7 18.e4 Nf4 19.Qe3 Ng6 20.Nfe5 Qe7 21.Ng6+/– fg6 22.e5 b5+= 23.Nd2 Bb7 24.Ne4 Bb6 25.Nd6+/– Rf8 26.Bc3 a5 27.Qd3 b4 28.ab4 Bc6? 29.ba5+– Qg5 30.Ne4 Be4 31.Qe4 Ba7 32.Bb4 Rfd8 33.d5 ed5 34.Rd5 Kh7 35.Rad1 Rac8?! 36.Rd8 Rd8 37.Bd6 Bb8 38.g3 Bd6 39.Rd6 Rd6 40.ed6 Qa5 41.Qc6 (41...Qe1 42.Kg2+–; better is 41.d7 Qc7 42.Qe7 Qc1 43.Kg2 Qc6 44.Kh3+–) 1–0. SirGraves – ahmed sharkawy_1, ChessWorld.net, 2005.

8.c4 Qb6 9.Qd2 Ne4 =.

8.c4 Nc6 9.Nc3 Qa5 10.c5 Bb8 11.Bb5 =.

8.c4 Nc6 9.Nc3 Na5 10.cd5 (10.c5 Be7=) 10...ed5 11.Be2 (11.Nb5 Be7=) 11...Nc4 12.Bc4 (12.Qb3 Nb2 13.Qb2 a6=) 12...dc4 13.Qa4 Qc7 14.0-0 Bd7 (14...Bf5 15.Rfc1 Ng4 16.g3=+) 15.Qc2= Rac8 (15...Rfe8 16.e4 Bf4 17.e5+=) 16.e4 Bf4 (16...Ng4 17.e5 Be7 18.Bc1+=) 17.e5 Nh5 18.h3 Bh6 19.a4 (19.Bc1 Bc1 20.Rfc1 f6=) 19...Nf4 20.Bc1 (20.Nb5 Qa5=) 20...Bc6 (20...Qa5 21.Bf4 Bf4 22.d5=) 21.Nb5 (21.Bf4 Bf4 22.d5 Bd7+=) 21...Qd7 22.Bf4 Bf4 23.Na7 (23.Ra3!? a6 24.Nd6=) 23...Bf3–/+ 24.Nc8 Rc8 25.e6 Qe6 26.Rfe1 Qd7 27.gf3?? (27.a5–+) 27...Qh3 (27...Qd4 28.Qf5 Rf8 29.Rab1+=) 28.Ra3 (28.Re4 Bh2 29.Kh1 Bd6 30.Kg1 Qh2 31.Kf1 Qh1 32.Ke2 Qa1–+) 28...Bh2 29.Kh1 Bd6 30.Kg1 Ba3 (31.f4 Qg4 32.Kf1 Qf4–+) 0–1. Diener,Rudolf – Kedzierski, corr 3GMM½–08, 1998.

8.c4 Nc6 9.Nbd2 Qa5 10.c5 Be7 11.Bd3 =.

8.c4 Nc6 9.Nbd2 Re8 10.Bd3 e5 11.cd5 Nd5 12.de5+/– Ne5 13.Ne5 Be5 14.Bh7! Kh7 15.Qh5 17.Qg5 f6?? 18.Bf6!+– (18...Kf7 19.Qg7 (19.Bg7?! Ne3 20.Qa5 Nc4 21.Kf1 Na5+–) 19...Ke6 20.Bb2+–) 1–0. woschkat (2395) – epiglotis (2550), net–chess.com, 2003.

8.c4 Bd7 9.c5 Bc7 10.Bd3 b5 (10...Bc6!?=) 11.Nc3+= a6 (11...Nc6 12.Bb5 Rb8 13.Qc2+–) 12.Ne5 Be5 (12...Nc6!? 13.f4 Ne5 14.de5 Ne8+–) 13.de5+– Ne8 14.0-0 Nc6 15.Ne2 (15.Qc2 g6 16.f4 Rb8+–) 15...Nc7 (15...f6 16.f4+–) 16.Nf4 g6 17.Qg4 Ne7 (17...Na5 18.Ra2+–) 18.Rad1 (18.h3 Nc6+–) 18...Nf5 (18...Nc6 19.h4+–) 19.e4 Qh4 (19...Ne7+–) 20.Qh4 Nh4 21.g3 Nf3 22.Kg2 de4 (22...g5 23.Nh5 (23.Kf3?! gf4 24.gf4 Kh8+–) 23...f5 24.ef5+– (24.Kf3?! de4 25.Be4 fe4 26.Kg4 Nd5 27.Nf6 Nf6 28.ef6 Rf7+–)) 23.Be4 Ng5 (23...Nh2 24.Kh2 Nd5+–) 24.Ba8 Nd5 (24...Ra8 25.Rd7 Rc8 26.c6+–) 25.c6 Bc8 26.h4 Nf4 (26...Nc7 27.hg5 Na8+–) 27.gf4 Ne4 28.Bd4 f5 29.f3 Bd7 (29...a5+–) 30.cd7 Rc8 31.dc8Q Kg7 32.Qd7 Kh6 33.Be4 (33.Be4 fe4 34.Bc5 ef3 35.Kf3 g5 36.Kg4 gf4 37.Rf4 b4 38.Rf6) 1–0. Pierre – Bel Mondo, internet, 2020.

8.c4 Nbd7 9.c5 Be7 =.

8.c4 Nbd7 9.Nbd2 Qa5 10.Bd3 dc4 11.Bc4 e5 12.de5 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.0-0 Bg4 16.Be2 Be2 17.Qe2 Rac8 18.Nf3 Qc3 19.Qb5 Rc7 20.Nd4 Rfc8 21.h3 a6 22.Qe2 Qa5 23.Qb2 Ne4 24.Rfd1 g6 25.Rd3 Nc5 26.Rd2 Na4 27.Qa2 Rc1–/+ 28.Rc1 Rc1 29.Kh2 Qe5 30.f4 Qe3 31.Ne2 Rc8 32.Rd7=+ Qe8 33.Rb7= Nc5 34.Ra7 Qc6?? 35.Qb2 h5 36.Nd4 Qf6–/+ 37.f5 Qe5–+ 38.Kg1?? Qe1 39.Kh2= Qe5 40.Kg1 Qe1 41.Kh2= Qe5 ½–½. Hugot,Claude – Soultanbeieff,Victor Ivanovich, Hoogovens Beverwijk, 1950.

8.c4 Nbd7 9.Nbd2 a6 10.Bd3 Re8 11.Qc2 Nf8 (11...e5 12.c5+=) 12.c5 Bc7 13.0-0 Bd7 14.a4 Rc8 15.h3 (15.Ne5 Be5 16.de5 Ng4+–) 15...Bc6+= 16.Ne5 Bb8 (16...Be5 17.de5 N6d7 18.Bd4+=) 17.f4+– N6d7 18.Nc6 Rc6 19.a5 Qe7 20.Qb3 Nf6 21.Ra4 Ng6 (21...Rc7 22.Rb4+–) 22.Rb4 Rc7 23.Rb1 Nh5 (23...Qd7 24.Ba3+–) 24.Ba3 Qh4 25.Ba6! (worse 25.Rb7 Rb7 26.Qb7 Bf4 27.ef4 Ngf4+–) 25...Qg3? (25...ba6 26.Rb6 Double attack (26.Rb8 Pinning; 26.Rb8 Deflection; 26.Rb6)) 26.Nf1 (26.Bb7 Nh4 27.Kf1 Ng2–+; 26.Rb7? Nh4 27.Kf1 Rb7 28.Bb7 Ng2–+) 26...Qh4 27.Qa4 (better 27.Rb7 Rb7 28.Qb7 Bf4 29.ef4 Nhf4+–) 27...Rf8 (27...Nf6 28.Rb7 Rcc8+–) 28.Rb7 (28.Bb7?! Ng3 29.Qd1 Ne4+–) 28...Rb7 29.Rb7 (29.Bb7?! Ng3 30.Qd1 Ne4+–) 29...Bf4 (29...Ng3 30.c6 Nf1 31.Rb8 (worse 31.Bf8 Qe1 32.Rb8 Nd2 33.Bf1 Qf1 34.Kh2 Nf3 35.Kg3 h5+–) 31...Rb8 A) 32.Kf1?? Rb1 33.Ke2 Qe1 34.Kd3 Rd1 35.Qd1 Qd1 36.Kc3 Qe1 37.Kb3 Qe3 38.Ka4 Qd4 39.Bb4 Qe4–+ (39...Nf4?! 40.c7 Qd1 41.Kb5+=); B) 32.Bf1?! Qd8+–; C) 32.c7+–) 30.c6 Ng3 (30...Be3 31.Ne3 Nhf4+–) 31.Bf8 Nf1 32.ef4 (32.Bf1?? Be3 33.Kh2 Qf4 34.Kh1 Qf2 35.Kh2 Bf4 36.Kh1 Qf1) 32...Ne3 (32...Nd2 33.Qd1 Ne4 34.Ba3 Qf2 35.Kh1+–) 33.Bb4 (better 33.Rb8 Qe1 34.Kh2 Nf8+–) 33...h5 34.c7 Qg3 (34...Nf4 35.c8Q Kh7 36.Bd3 Nd3 37.Rf7 Qg5+–) 35.c8Q Kh7 36.Qa2 Nf4 37.Rf7 Nh3 38.Kh1 Ng5 39.Bd3 Kh6 (39...Nf5 40.Bf5 ef5 41.Qf5 Kh6 42.Rf6 gf6 43.Bf8) 40.Rf6! gf6 (40...gf6 41.Bf8 Mate attack) 41.Bf8 (41.Qf8) 1–0. Pierre – GuestMaori, internet, 2020.

8.c4 Nbd7 9.Nbd2 dc4 10.Nc4 Bc7 11.Bd3 =.

8.Nbd2 b5 9.Bd3 a6 10.0-0 Bb7 11.Qe2 Nbd7 12.h3 Nb6 13.Rfb1 Na4 14.Nb3 Rb8 15.Qe1 Qe7 16.Bc1 Rfc8 17.Bd2 Ne4 18.Bb4 Nec3 19.Bd6 Qd6 20.Rc1 g6 21.Nc5 Rc7 22.Na4 Na4 23.Qb4 Qd8 24.Qd2 Rbc8 25.Rcb1 Rc3 26.Ne1 Qd6 Attacks the isolani on a3 27.Rb3 R3c7 28.Qb4 Qd7 29.Qd2 Bc6 30.Qa5 Kg7 31.Qd2 (31.Qa6? Ra8 32.Qa8 Ba8 33.Bb5 Bc6–+) 31...Qd8 32.f4 Be8 33.Qf2 Nb6 34.Kh2 Qd6 35.Nf3 Nc4 36.Ne1 a5 37.Bc4 Rc4 38.Qd2 a4 39.Rb2 Qc7 40.Raa2 Qd6 41.Nd3 Qe7 42.Nc5 f6 43.Rb4 e5 44.de5?? R4c5–+ 0–1. Heinzel,Peter (2080) – Braeuer,Karl_Heinz (2200), Dortmund GER, Sparkassen Open, 2012.

8.Nbd2 b5 9.Be2 Qb6 10.0-0 Nc6 11.Ne5 Nd7 12.f4 f6 13.Nc6 Qc6 14.Bf3 (14.a4 ba4 15.c4 Rb8=) 14...f5 (14...Nb6 15.Be2+=) 15.Rf2 Nf6 16.h3 Bd7 17.Rc1 Qc7 18.g4 Ne4 19.Rg2 (19.Re2 Nc3 20.Bc3 Qc3–/+) 19...b4 (19...Nc3!? 20.Bc3 Qc3–+) 20.ab4+= Bb4 21.Ne4 (21.c3 A) 21...Nc3? 22.Bc3 Rfc8 23.Bb2+– (23.Bb4?! Qc1 24.Bc5 Qd1 25.Bd1 a5+=); B) 21...Ba5+=) 21...fe4–/+ 22.Be2 a5 (22...Ba4!?–/+) 23.c4+= Qb7 24.Bc3 Bc3 (24...Be7 25.Bf1+=) 25.Rc3= a4 26.Qa1 Rfb8 27.Bf1 Qb1 28.Ra2 Rb4 (28...Qa1 29.Ra1 Rb2 30.Rca3=) 29.Qb1 Rb1 30.Rca3 (30.Kf2 g5 31.cd5 ed5=) 30...Rab8 (30...dc4!? 31.Ra1 Ra1 32.Ra1 c3–/+) 31.Kf2+= R8b2 (31...g5 32.Be2 gf4 33.ef4+=) 32.Rb2= Rb2 33.Ke1 Rb1 34.Kf2 Rb3 35.Ra1 a3 36.cd5 (better is 36.c5!?+=) 36...ed5–/+ 37.Ba6 Rb2 38.Kg3 a2 39.f5 Ba4 40.Bc8 Bb3 41.Be6 Kf8 0–1. Hasari,Seppo – Heikkilae,Raimo, NS/I/41 corr/Ks73 FIN, 1973.

8.Nbd2 b5 9.Be2 Qc7 10.Bb5? Qb7 –+.

8.Nbd2 b5 9.Be2 Qc7 10.Bd3 =+.

8.Nbd2 Qb6 9.Rb1 Qa5 10.c4 Ne4 11.c5 Be7 12.Bd3 b6 13.cb6 (13.0-0 Nd2 14.Nd2 Ba6 15.Bh7 Kh7 16.Qc2 Kg8=) 13...ab6 14.0-0 Nd2 15.Nd2 (15.Qd2 Qd2 16.Nd2 Ba6 (16...Ba3? 17.Ra1+-) 17.Ba6 Na6=) 15...Ba6=+ (worse 15...Ba3 16.Ra1 Qb4 17.Qb3 Qb3 18.Nb3 Bb2 19.Ra8+/-) 16.Nb3 Qa4 17.Ba6 Na6 (17...Qa6 18.Qd2=+) 18.Nd2 Qd1 19.Rfd1 Nc7 20.Ra1 Nb5 The pressure on the isolated pawn grows 21.a4 Nd6 22.Nf3 (22.Rdc1 Rfc8=+) 22...Nc4 (22...Rfc8 23.Rdb1-/+) 23.Bc3 f6 (23...Ba3 24.Rdb1 Ra4 25.Ne5-/+) 24.Nd2 (24.Rdb1 Kf7=+) 24...Rfc8 (24...Na3-/+) 25.a5 (25.Rdb1 Kf7=+) 25...ba5 (better 25...Na5!? 26.Rdc1 Rc7-+) 26.Nc4=+ Rc4 27.Ba5 Rc2 28.Bb6 Ra1 29.Ra1 Rb2 30.Bc7 Kf7 31.h3 Kg6 (better 31...Rb7 32.Bg3 h5=+) 32.Kh2 (better 32.Ra6 Rb7 33.Bb6=) 32...Rf2-/+ 33.Ra7 Bb4 34.Bg3 (34.Bf4!?-/+) 34...Re2-+ 35.Ra4 (35.Bf4 Bd2 36.Ra2 Kf5-+) 35...Bd2 (better 35...Bc3-+) 36.Ra6? (36.Ra2 Kf5-+) 36...Kf5 (36...Be3 37.Re6 Bg1 38.Kg1 Re6 39.h4-+) 37.Ra7 (37.Ra2 Ke4-+) 37...g5 (37...Be3 38.Rg7 h6 39.Rg4-+) 38.Rh7? (38.Ra2-+) 38...Be3 (38...Re3?! 39.Bf2 Re2 40.Kg1-+) 39.h4 gh4 40.Bh4 Bd4 41.Rh5 (41.Rh6 Rc2-+) 41...Kg4 42.Rh6 Be5 (42...Be3!? 43.Rh8-+) 43.Kg1 f5 (better 43...Kf5-+) 44.Be7 (44.Kf1 Re4-+) 44...Bd4 (44...Re1 45.Kf2 Bg3) 45.Kf1-+ Rf2 46.Ke1 e5 (46...Rg2 47.Re6 f4 48.Rh6-+) 47.Rg6 (47.Rh4 Kg3 48.Rh8 Rg2-+) 47...Kf4 48.Bg5 Ke4 49.Rh6 (49.Bh4 Ra2 50.Kf1 Ra1 51.Ke2-+) 49...Rg2 50.Rh4 (50.Bf6 Be3 51.Rh1 f4-+) 50...Rg4 (better 50...f4 51.Bf6-+) 51.Rh2 (51.Ke2-+) 51...Rg5 52.Re2 Kf3 53.Rf2 Bf2 54.Kd2 e4 55.Kd1 (55.Kc2 e3 56.Kb2 e2 57.Kb3 e1Q 58.Kc2 Rg2 59.Kb3 Bc5 60.Ka4 Qb4) 55...e3 56.Kc2 (56.Kc1 e2 57.Kc2 e1Q 58.Kb2 Bc5 59.Kb3 Rg2 60.Ka4 Qb4) 56...e2 57.Kd2 (57.Kc3 e1Q 58.Kb2 Qb4 59.Kc1 Qc3 60.Kb1 Rg1 61.Ka2 Ra1) 57...e1Q 58.Kd3 (58.Kc2 Rg2 59.Kb3 Bc5 60.Ka4 Qb4) 58...Qe4 (58...Qb1 59.Kc3 f4 60.Kd2 Be1) 59.Kc3 (59.Kd2 Be3 60.Kc3 Bc1 61.Kb3 Qc4) 59...d4 (59...Be1 60.Kb3 Rg2 61.Ka3 Qb4) 60.Kd2 (60.Kb3 f4 61.Kb2 Rb5 62.Kc1 Be3 63.Kd1 Rb1) 60...Qe3 (60...Be3 61.Kd1 Rg1) 61.Kc2 d3 (61...Qc3 62.Kb1 Rg1 63.Ka2 Ra1) 62.Kc3 (62.Kb3 d2 63.Kc2 Qd4 64.Kb3 d1Q 65.Ka3 Q1a4) 62...d2 63.Kc2 Qe2 (63...Qd4 64.Kb3 d1Q 65.Ka3 Q1a4) 64.Kc3 (64.Kb3 d1Q 65.Kb4 Qd4 66.Kb3 Qeb2) 64...d1Q 65.Kb4 Qb2 66.Kc4 Qdd4 0-1. Dino_Jarach (1805) - yoyome (1800), lichess.org, 2018.

8.Nbd2 Nc6 9.c4 =+.

8.Nbd2 Nc6 9.Bd3 =.

8.Nbd2 Nbd7 9.c4= b6 10.Bd3 Bb7 11.0-0 Ne4 12.Rc1 Qe7 13.cd5 ed5 14.Nb1 Rac8 15.Qb3 Qe6 16.Bc3 Nc3 17.Nc3 Nf6 18.Rc2 Ne4 19.Rfc1 Nc3 20.Rc3 h6 21.Nh4 g6 22.Nf3 Rc3 23.Rc3 Rc8 24.a4 Rc3 25.Qc3 Qe8 26.Qb3 Qc8 27.Qd1 Bc6 28.Qb3 Bb7 29.Qb1 Qd7 30.Bb5 Qc7 31.Bd3 Qd7 32.Bg6 fg6 33.Qg6 Kf8 34.Qh6 Ke8 35.h4 Qc6 36.g3 Bf8 37.Qh5 Kd8= 38.Qh8 Qe8 39.h5 Be7 40.Qe8+= Ke8 41.Ne5 Bc8 42.f3 Bf5= 43.Kf2 Bc2 44.f4 a5 45.Ke2 Ba4=+ 46.g4 Bc2 (47.g5 b5=+). Schulz,Hans_Juergen (2145) – Hohlstein,Walter (1955), RSX9E – A00 – Sokolsky–2, 2004.

8.Nbd2 Nbd7 9.Bd3 a6 10.c4 b6 11.0-0 Bb7 12.Qb3 Rc8 13.Rfe1 Ne4 14.Rac1 g5 (14...Rc7 15.cd5 Bd5 16.Nc4+=) 15.Bf1 (15.c5 Be7 16.Red1 g4+=) 15...dc4 16.Nc4 Bc7 17.Red1 g4 18.Nfe5 Bd5 19.Qd3 (worse is 19.Ng4 b5 20.Qc2 f5–+) 19...b5 20.Nd2 f5 21.f3? (21.Ne4!? Be4 22.Qb3=) 21...Ne5 22.de5 Nd2 23.Qd2 (better is 23.Rd2!? gf3 24.gf3+=) 23...gf3–/+ 24.Qf2 fg2 25.Bg2 Qg5 Black intends f4 26.Rd5 ed5 27.Kh1 f4?? Attacks the isolani on e5 (better is 27...Qd8+=) 28.Bd5+– Kh8 29.Rg1 (better is 29.e6 Be5 30.Rc8 Rc8 31.ef4+–) 29...Qh5?? (29...Qe7 30.e6 Rf6+–) 30.Qg2 Be5 (30...Qg6 31.e6 Rf6+–) 31.Qg7!! 1–0. roy1nc6 (1910) – vishal_panchal (1900), gameknot.com, 2013. (=1.Nf3 c5 2.a3 d5 3.b4 e6 4.Bb2 Nf6 5.bc5 Bc5 6.e3 0-0 7.d4 Bd6)

8.Bd3 a6 9.0-0 Qb6 10.Qc1 Bd7 11.Nbd2 Bb5 12.Bb5 Qb5 13.Nb3 (13.c4!? Qc6 14.Ne5=) 13...Nbd7 14.Qd2 a5 (14...Qc6!?–/+) 15.a4+= Qb6 16.Rfc1 Ne4 17.Qd1 Rfc8 18.Rab1 (18.Ba3!?+=) 18...Qc6–/+ 19.Nbd2 Nc3?? (better is 19...Nd2 20.Nd2 Nb6–+) 20.Bc3+= Qc3 21.Rb7 Nf6 22.Ne5 Ba3? (22...Be5!? 23.de5 Qe5=) 23.Rcb1 (better is 23.Rb3 Bc1 24.Rc3 Rc3 25.Qc1+–) 23...Rf8?? (23...Bb4!? 24.Ndf3 Ne4 25.Rf7 Qc2 26.Qc2 Rc2+=) 24.Ndf3 (24.R7b3 Qc7 25.Ra3 Rab8+–) 24...h6?? (24...Bb4+/–) 25.Nd7 (better is 25.R7b3 Ne4 26.Qd3 Qd3 27.cd3+– (27.Rd3?! Bb4=; 27.Nd3?! Bd6+=)) 25...Nd7+= 26.Rd7 Rfd8?? 27.Rd8 Rd8 28.Ne5 Bb4 29.g3 Rc8= 30.Qh5 Rf8 31.Qe2 Qa3 32.Qb5 Qa2 33.Rb4 ab4–/+ 34.Qb4 Qc2 35.a5 Qc7 36.a6 Ra8–+ 37.Qb5 Qa7 38.Qc6 Qa6 39.Qd7 Qa7 40.Qc6 Rb8 41.Kg2 Qb7 42.Qa4 Rc8 43.Qd7 Qd7 44.Nd7 Rc7 45.Ne5 f6 46.Ng6 Kf7 47.Nf4 Rd7 48.h4 e5 49.de5 fe5 50.Nd3 Kf6 51.g4 g5 52.h5 Rc7 53.Kg3 d4 54.Nb4 Ke6 55.Kf3 Rf7 56.Ke2 Rc7 57.Kd3?? Rc3–+ 58.Kd2 Rb3 59.Nd3 Kd5 60.e4 Kd6 61.Kc2 Ra3 62.Kb2?? Ra8 63.f3 Rf8 64.Ne1 Kc5 65.Kc2 Kc4 66.Kd2?? Ra8 67.Kc2 Ra2 68.Kd1 Kc3 (68...Kc3 69.f4 d3 70.Nd3 Kd3 71.Ke1 ef4 72.e5 Ke3 73.Kf1 Ra1 74.Kg2 f3 75.Kh2 f2 76.Kg2 f1Q 77.Kg3 Qf3 78.Kh2 Rh1) 0–1. Fournier,Frederic (2055) – paineck (1990), Echecs21, 2003.

8.Bd3 b5 9.Bc3 a6 =.

8.Bd3 b5 9.Nbd2 a6 10.0-0 Nbd7 11.Ne5 Bb7 12.Ndf3 Nb6 13.Ng5 Qc7 14.f4 Na4 15.Bc1 h6–/+ 16.Ngf3 Ne4 17.Be4 de4 18.Ne1 Bd5 19.Bd2 Nc3 20.Bc3 Qc3 21.Qc1 Rfc8 22.Nd7 Qc7 23.Ne5 f6 24.Ng6 Kh7 25.f5 Bc4 (26.Rf2 Bh2 27.Kh1 Bg3–+) 0–1. Kusmierek,Joseph – Buczinski,Henryk, corr 2. AMM Poland, 1993.

8.Bd3 b5 9.Nbd2 Qc7 10.0-0 =.

8.Bd3 b5 9.Nbd2 Qc7 10.Bb5? Qb7 –+.

8.Bd3 Qb6 9.Bc3 Bd7 10.0-0 Bb5 11.Bb5 Qb5 12.a4 Qc4 13.Qd3 Qd3 14.cd3 1–0. constantine (2370) – sbeaul (2335), net–chess.com, 2016.

8.Bd3 Qc7 9.0-0 Nbd7 10.Nbd2 Ng4 (10...Nb6!?=) 11.h3+= Nh2 12.Nh2 Bh2 13.Kh1 Nf6? (better is 13...Bd6+=) 14.g3+– Bg3 15.fg3 Qg3 16.Rf3 Qh4 17.Qe2 (17.Qe1 Qh6+–) 17...Nh5 (17...e5 18.de5 Ne8+–) 18.Rg1+– f5 19.c4 Rf6 20.Qf2 Qf2 21.Rf2 Bd7 22.Be2 Rh6 23.Rfg2 g6 24.c5 Nf6 25.Kh2 Rf8 26.Rg3 Ne4 27.Ne4 fe4 28.Bg4 g5 29.Bc3 Rhf6 30.Be1 h6 31.h4! Kh8 (31...gh4 32.Be6 Double attack (32.Bh5 Decoy)) 32.hg5 hg5 33.Rh3 Kg7 34.Bh5 Rh6? (34...Rf5+–) 35.Rg5 Kh8 36.Bg3 (36.Bg3 Rf5 37.Rf5 ef5 38.Be5 Kh7 39.Bf4 Rh5 40.Rh5 Kg7 41.Bb8+–) 1–0. Fournier,Frederic (1860) – Virinc, Open janvier echecsemail, 2004.

8.Bd3 Bd7 9.0-0 a6 10.c4 dc4 11.Bc4 b5 12.Bd3 Nc6 13.Nbd2 Na5 14.Rc1 Qb6 (14...Qe7 15.Ne5=) 15.Qe2 Rac8 16.e4 Bf4 17.g3 Bh6 18.e5 Nd5 19.Qe4 g6 20.h4 (20.Qh4 Kg7=) 20...Rc1 (20...Nc4!? 21.Bc4 bc4-/+) 21.Rc1=+ f5 (21...Nc4 22.Bc4 bc4 23.Ba1-/+ (23.Nc4? Qb3 24.Ng5 Bb5-+)) 22.ef6= Nf6 23.Qe5 Nc6 (23...Nd5 24.Qe2=) 24.Qd6+= Qb8?? (better 24...Qa5 25.Rc2 Bd2 26.Nd2 Rf7+=) 25.Rc6+- Bc6 26.Qc6 (better 26.Qe6!? Rf7 27.Qc6 Bd2 28.Nd2 Qa7+-) 26...Qc8 27.Qc8 Rc8 28.Ng5 Nd5 29.Nde4 Nc7? (29...Bg5 30.hg5 (30.Ng5?! Nb6+=) 30...Nb6 31.Bc3+-) 30.Nd6 (30.Nf6 Kg7 31.Nfh7 Nd5+-) 30...Rd8? (30...Rb8 31.Nge4 Bg7 32.Nc5+-) 31.Ndf7 (better 31.Ngf7 Rd7 32.Nh6 Kg7 33.Nhf7+-) 31...Rd4?? (better 31...Bg5 32.Ng5 e5+-) 32.Bd4 (32.Bd4 Bf8 33.h5+-) 1-0. Atilla_10 (2125) - ohdy (2110), Rated Blitz game, lichess.org, 2015.

8.Bd3 Bd7 9.0-0 Nc6 10.Nbd2 a6 11.c4 dc4 12.Nc4 Be7 13.Re1 b5 14.Ncd2 Na5 15.Rc1 Rc8 16.Ra1 (16.Rc8 Bc8 17.Qc2 Bb7=) 16...Qb6 (16...Nc4 17.Bc4 bc4 18.Rc1=) 17.Qe2 Bc6 18.Ne5 Ba8 19.Nef3 (19.a4 b4=) 19...Rfd8 20.Kf1 (20.Reb1 Bb7=) 20...Ng4 (20...Nc4 21.Nc4 bc4 22.Bc4 Rc4 23.Qc4 Bf3 24.gf3 Qb2 25.Reb1=+) 21.Kg1 (21.h3 Nf6=) 21...Qd6 (21...Nc4!? 22.Bc4 bc4=) 22.h3+= Nf6 23.Kf1 (better 23.a4 b4 24.e4+= (worse 24.Ba6 Rc2-/+)) 23...Bd5?? (better 23...Rc7=+) 24.e4+/- Bc4 25.e5 Qb6 26.ef6 Bf6 27.Bc4 Nc4 28.Nc4 Rc4 29.Nd2?? (better 29.Ne5 Rcc8 30.Rac1 Rc1 31.Rc1+-) 29...Rc2= 30.Rab1 (better 30.Reb1!?=) 30...Bd4-/+ 31.Bd4 (better 31.Bc1 Bc3 32.Rd1-/+) 31...Rd4?? (31...Qd4 32.Nf3 Re2 33.Nd4 Re1 34.Re1 Rd4 35.Re3-+) 32.Rbd1?? (32.Red1+=) 32...Qd6?? (better 32...Qd8-+) 33.Ne4+/- Re2 34.Nd6 Re1 35.Re1?? (better 35.Ke1 Ra4 36.Nb5+-) 35...Rd6-+ 36.Rc1 g6 37.Ke2 Rb6 38.Rb1 a5 39.g4 (39.Ke3 Kf8-+) 39...Kg7 40.f4 (40.Kd3 g5-+) 40...b4 41.Kd3 (41.ab4 Rb4 42.Rh1 Rf4-+) 41...b3 (41...ba3 42.Rh1-+) 42.Kc3 a4 (42...Rc6 43.Kb3 Rb6 44.Kc2 Rb1 45.Kb1-+) 43.h4 (43.Re1 b2 44.Kc2 b1Q 45.Rb1 Rb1 46.Kb1 Kf6-+) 43...f5 (better 43...Kh6 44.Rb2-+) 44.gf5 (44.g5-+) 44...ef5 45.Rb2 (45.h5 gh5 46.Kb2 h4-+) 45...h6 (better 45...Kh6!? 46.Kd4-+) 46.Kc4 Kf6 47.Kc5 Rb8 48.Kc4 (48.Kd4 Rc8-+) 48...g5 49.hg5 hg5 50.fg5 Kg5 51.Rg2 (51.Rb1 f4 52.Kd3 Kg4 53.Rg1 Kf3-+) 51...Kf6 (51...Kf4 52.Rb2 Ke3 53.Kc3-+) 52.Rb2 f4 53.Kd4 Kf5 54.Kd3 Re8 55.Kc4 Re4 56.Kd3 f3 57.Rf2 Kf4 58.Kc3 (58.Rf1 Re3 59.Kd2 Re2 60.Kd3 Ra2-+) 58...Re2 (better 58...Kg3 59.Rf1 f2 60.Kd2-+) 59.Rf1 f2 60.Rh1 Kf3 61.Rh3 Kg2 62.Rh8 f1Q 63.Rg8 Kh3 (63...Kh1 64.Rh8 Kg1 65.Rg8 Rg2 66.Rg2 Qg2 67.Kc4 Qe2 68.Kd5 b2 69.Kd4 b1Q 70.Kc5 Qbb5 71.Kd4 Qed3) 64.Rh8 Kg4 65.Rg8 Kh5 66.Rh8 Kg6 67.Rg8 Kh7 (67...Kf7 68.Rg4 Qf3 69.Kc4 Qg4 70.Kc5 Qg5 71.Kd6 Re6 72.Kc7 Qc5 73.Kb7 Rb6 74.Ka8 Qa5) 68.Rd8 (68.Rf8 Rc2 69.Kd4 Qd1 70.Ke4 Re2 71.Kf5 Qf1 72.Kg4 Rg2 73.Kh5 Qh1) 68...Qf3 (68...Rc2 69.Kb4 Qc4 70.Ka5 Qc7 71.Ka4 Qc6 72.Kb4 Qb6 73.Ka4 Rc4) 69.Kb4 Re4 70.Kc5 Qf5 (70...Re5 71.Kb6 Qf6 72.Kc7 Rc5 73.Kb7 Qc6 74.Ka7 Qc7 75.Ka6 Ra5) 71.Kc6 (71.Rd5 Qc8 72.Kb6 Re6 73.Rd6 Rd6 74.Kb5 b2 75.Kb4 b1Q 76.Ka4 Qa6) 71...Re6 72.Kc7 (72.Rd6 b2 73.Re6 Qe6 74.Kc5 b1Q 75.Kd4 Qb2 76.Kd3 Qee2) 72...Qf7 (72...Qc5 73.Kb7 Rb6 74.Ka8 Qa5) 73.Rd7 Re7 74.Re7 (74.Kd6 Rd7 75.Kc5 b2 76.Kc6 b1Q 77.Kc5 Qd5) 74...Qe7 75.Kc6 (75.Kb6 b2 76.Ka5 b1Q 77.Ka6 Qeb7 78.Ka5 Q1b5) 75...Qe6 (75...b2 76.Kb6 b1Q 77.Ka6 Qeb7 78.Ka5 Q1b5) 76.Kc5 Qe4 77.Kb5 (77.Kb6 b2 78.Kb5 b1Q 79.Kc5 Qe5 80.Kc4 Qbe4) 77...Kg7 (77...b2 78.Kb6 b1Q 79.Kc5 Qe5 80.Kc4 Qbe4) 78.Ka5 (78.Kb6 b2 79.Kb5 b1Q 80.Kc5 Qe5 81.Kc4 Qbe4) 78...Kf6 (78...b2 79.Kb5 b1Q 80.Kc5 Qe5 81.Kc4 Qbe4) 79.Kb5 Ke7 (79...b2 80.Kc5 Qe3 81.Kd6 Qe5 82.Kc6 b1Q 83.Kd7 Qbb5 84.Kd8 Qbe8) 80.Ka5 (80.Kb6 b2 81.Kc5 Qe3 82.Kd5 b1Q 83.Kc6 Qbb6 84.Kd5 Qbe6) 80...Qc6 (80...b2 81.Kb5 b1Q 82.Kc5 Qe5 83.Kc4 Qbe4) 81.Kb4 (81.Kb4 b2 82.Ka5 Qc3 83.Ka4 Qc4 84.Ka5 b1Q 85.a4 Qbb4). Dino_Jarach (1875) - safisica (1800), lichess.org, 2020.

8.Bd3 Bd7 9.Nbd2 Ba4 10.Qb1 Bc6 11.0-0 Qc7 12.c4 (12.Rc1!?=) 12...dc4+= 13.Nc4 Bf3 14.Nd6 Qd6 15.gf3 Nc6 16.f4 Rac8 17.Rc1 Ne7 18.Bc3 1–0. Fournier,Frederic (2250) – Spartan (2250), echecsemail.com, 2007.

8.Bd3 Bd7 9.Nbd2 Qb6 10.Rb1 Nc6 11.c4 dc4 (11...Qc7!?=) 12.Nc4+/– (worse is 12.Bc4 Qa5=) 12...Qc7 13.0-0 Be7 14.Rc1 Rac8 15.Qd2 Na5?? (better is 15...Rfd8+=) 16.Na5+– Qb8 17.Ne5 Rfd8 18.Nd7 Nd7 (18...Rd7 19.Rc8 Qc8 20.Nc4+–) 19.Be4 b6 (19...Nc5 20.Bf3+– (20.Rc5?! Rc5 21.Nb7 Rh5+–)) 20.Nc6 Qc7 (20...Rc6 21.Bc6 Ne5+–) 21.Ne7 (21.Ne7 Kh8 22.Nc8+–) 1–0. Fournier,Frederic (2315) – Poiuylkjhg (1680), Active, 2011.

8.Bd3 Nbd7 9.0-0 Nb6 10.Nbd2 Bd7 11.c4 dc4 12.Nc4 Nc4 13.Bc4 Rc8 14.Rc1 Qb6 15.Qe2 Rc4 16.Rc4 Bb5 17.Bc1 Ne4 18.Qc2=+ Bc4 19.Qc4 Qa5 20.Qd3 f5 21.Qb3 Qd5 22.Qd5 ed5 23.Bb2 Rc8 24.Rc1 Rc4 25.Ne5 Be5 26.de5 Kf7 27.f3 Nc5 28.Rd1 Ke6 (29.Bd4 b5=+). Kucharkowski,Jens – Daehnhardt, Freital, 1981.

8.Bd3 Nbd7 9.0-0 Nb6 10.Nbd2 Bd7 11.c4 Be7 12.Ne5 Ba4 13.Bc2 (13.Qf3!?+=) 13...Bc2=+ 14.Qc2 Rc8 15.Qb3 (15.c5 Nbd7 16.f4 b6=) 15...Rc7 (15...dc4 16.Ndc4 Qd5 17.Rac1=+) 16.Rac1= dc4 17.Ndc4 Nfd5 (17...Nc4 18.Rc4 Qd5 19.a4=) 18.f3 (18.Nb6 Nb6 19.Rc7 Qc7=) 18...Nd7 (18...Nc4 19.Rc4 Bd6 20.Rc7 Bc7 21.f4=) 19.Nd7 Qd7 (19...Rd7 20.f4=) 20.e4 (20.Ne5!? Qd6 21.Rc7 Qc7 22.Rc1+=) 20...Nf4= 21.Kh1 Rfc8 22.Ne5 Rc1?? (better 22...Qd8=) 23.Bc1+– (23.Nd7?? Rf1; 23.Rc1?? Rc1 24.Bc1 Qd4–+) 23...Qd4 24.Bf4 b6 25.Ng4 (25.a4 Qb4 26.Qb4 Bb4+–) 25...h6 26.Rd1 (26.a4 Qc4 27.Qd1 Rd8+–) 26...Qc5 (26...Qc3 27.Qb5+–) 27.a4 h5 28.Ne3 g5 29.Bg3 h4 (29...Qc3!? 30.Qc3 Rc3+–) 30.Bf2+– Qe5 (30...Qb4 31.Qa2+–) 31.Ng4 Qa5 (31...Qc3 32.Qb5+–) 32.h3 Rc3 33.Qa2 Ra3 (33...Qb4 34.Bd4 Rc4 35.Be5+–) 34.Qb2 (better 34.Qc4 Qc3 35.Qc3 Rc3 36.Rd7 Rc1 37.Kh2+–) 34...Kh7?? (34...Qc3 35.Qc3 Rc3+–) 35.Nf6 Kg6 36.Ng4 (better 36.Ng8 Qc3 37.Ne7 Kh6+–) 36...Kh7 37.Rd7 Qa4 (37...Qb4 38.Qe5 Qb1 39.Bg1 Ra1+–) 38.Re7 Ra1 (38...Qd1 39.Bg1 Rf3 40.gf3 Qf3 41.Qg2 Qg2 42.Kg2 Kg6+–) 39.Bg1 Kg8 40.Re8! (40.Re8 Qe8 41.Nf6 Kf8 42.Ne8 Rg1 43.Kg1 Ke8 44.Qb5 Kf8 45.Qg5+–) 1–0. Markeviciute,Paulina – Mickeviciute,Eitvile, Lithuanian Championship G16, 2015.

8.Bd3 Nbd7 9.0-0 Qc7 10.Nbd2 b6 (10...Nb6 11.e4 de4 12.Ne4 Ne4 13.Be4=) 11.c4 dc4 12.Nc4 Bb7 13.Nd6 Qd6 14.Be2 Nd5 15.Rc1 N7f6 16.Qd2 Rac8 17.Rc8 Rc8 18.Rc1 Rd8 (18...Rc1 19.Qc1 a6 20.Qc2=) 19.h3 Ne7 20.Ne5?? (20.Qb4 Qb4 21.ab4 a5=) 20...Nfd5?? (better is 20...Qe5! 21.de5 Rd2 22.ef6 Nd5–/+) 21.Bf3 Nf5? (21...Nc6 22.Nc6 Bc6 23.e4+/–) 22.Rc2 (22.e4 Nde7 23.ef5 Bf3 24.Nf3 (24.gf3?! Qe5 25.de5 Rd2=) 24...Nf5 25.Ne5+–) 22...Nh4+= 23.Be4 f5 24.Bd3 Nf6 25.Be2 Ng2 26.Nf3 Bf3–/+ 27.Bf3 Nh4 28.Bg2 Ng2 29.Kg2 Ne4 30.Qe2 Qd5 31.Qf3 Nf6 32.Qd5 Nd5 33.Rd2 Nf6 0–1. Fournier,Frederic – 1357, Active, 2008.

8.Bd3 Nbd7 9.0-0 Re8 10.Nbd2 Nf8 11.c4 b6 12.cd5 Nd5 13.Qc2 Bb7 14.Rac1 Rc8 15.Qb1 Qf6? (better is 15...Qe7=) 16.Rc8 Rc8 17.Rc1 (better is 17.e4+–) 17...Qd8 18.Rc8 Qc8 19.Qc2 Qc2 20.Bc2 Ba6 21.Ne4 Be7 22.Nc3 (better is 22.Ng3=) 22...Nc3–/+ 23.Bc3 Ba3 24.Ng5 h6 25.Ne4 Nd7 26.Ba4 (26.f3!?–/+) 26...b5–+ 27.Bb3 Nb6 (27...Bb7 28.Nd2–+) 28.Ba5 Nc4 29.Bc4 bc4 30.Bc3 Kf8 31.f3 Bb7 (better is 31...Bb5!?–+) 32.Nd2+= Ba6 33.Nb1 (33.Ne4 Bb5 34.Kf2–+) 33...Be7 34.Nd2 g6 35.g3 h5 36.h4 Bb5 37.Ba5 Ke8 38.Kf2 Bd8 39.Bb4 (39.Bd8!? Kd8 40.Ke1–/+) 39...a5–+ 40.Bc3 a4 41.e4 Kd7 42.Nb1 Be7 43.Bb2 Kc6 44.Ke2?? (44.Ke3 Bd6 45.e5 Bb4–+) 44...Bb4 (better is 44...c3 45.Kd1 cb2–+) 45.Ke3 Kd6?? (better is 45...Be1 46.Kf4 f6–+) 46.Ba3+= Ba3 47.Na3 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

8.Bd3 Nbd7 9.Nbd2 Re8 10.0-0 Nf8 11.c4 dc4 12.Nc4 Bb8 13.Rc1 b6 14.Nce5 Bb7 15.Qe2 Qd6 16.Ba6 Bf3 (better is 16...Ba6!? 17.Qa6 Qd5+=) 17.Qf3+/– (worse is 17.gf3 Bc7+/–) 17...Ng6?? (17...Bc7 18.Qb7 Rec8 19.Qc6+– (19.Qc8?! Rc8 20.Bc8 Nd5+/–)) 18.g3 (better is 18.Qa8 Qf8 19.Qb7+–) 18...Nd5?? (better is 18...Bc7+/–) 19.Bb7 (19.Qf7 Kh8 20.Ng6 hg6 21.Qe8 Kh7 22.Rc8 Qf8 23.Qf8 Kh6 24.Qh8 Kg5 25.Qh4 Kf5 26.e4 mate) 19...f6 20.Ng6 (20.Ba8?! fe5 21.Rfd1 ed4 22.Rd4 Ne5+–) 20...hg6 21.Ba8 1–0. Fournier,Frederic (1800) – Prikazchikov,Evgenij Nikolaev, Active, 2012.

8.Bd3 Ne4 9.0-0 Qf6 10.Nbd2 b6?? (10...Nd2 11.Nd2 Qh6 12.f4=) 11.c4 (better is 11.Ne4 Qe7 12.Nd6 Qd6 13.Qe2+–) 11...Ng5 12.Ng5 Qg5 13.Nf3 Qh5 14.cd5 ed5 (worse is 14...Qd5 15.e4 Qc6 16.e5+/–) 15.Ne5 Qh6 16.f4 f6 17.Nf3 Bg4 (17...Re8 18.Rc1 Qh5 19.Be2=) 18.Qd2 (better is 18.Qb3!? Be6 19.Be4+–) 18...Bf3 (18...Nc6 19.Rfc1 Rac8 20.Rc3+=) 19.Rf3= g5?? (19...f5 20.Rh3 Qg6 21.Rc1=) 20.g3 (better is 20.Rh3 Qg7 21.Rh7 Qh7 22.Bh7 Kh7 23.Qd3 Kg7 24.Qf5+–) 20...g4= 21.Rff1 f5 22.Rac1 Nd7 23.Rc6 Nb8 24.Rc2 Qe6 25.Re1 Nd7 26.Rc6 Rac8+= 27.Rec1 Rc6 28.Rc6 Nf6 29.Bc1 Ne4 30.Be4 de4 31.Qc3 Qd5 32.Bb2 Kg7 33.Qc4 Qc4 34.Rc4 Rf7 35.d5 Kf8 36.Rc6 Rd7 37.a4 Bc5 38.Bd4 Bd4 39.ed4 Rd5 40.Rc4 a6 41.Kf2 b5 42.ab5 ab5 43.Rb4 Ke7 44.Ke3 Kd6 45.Rb1 Kc6 46.Rc1 Kb6 47.Rc8 Ka5 48.Rh8? Rd7?? 49.Ra8 Kb4–/+ 50.Rf8 Kc3?? Attacks the isolani on d4 51.Rf5+– b4 52.Rc5 Kb2 53.Ke4 b3 54.Rb5 White prepares the advance d5 54...Kc2 55.Rc5 Kb1 56.d5 b2 57.Rb5 Kc2 58.Rc5 Kd1 59.Rb5–/+ Kc1 60.Rc5 Kb1 61.Rb5–/+ Ka2 62.Ra5 Kb3–+ 63.Rb5 Kc3 64.Rc5?? Kd2 65.Rb5= Re7 66.Kf5 Kc3 67.Rb8?? Rc7 68.Kg4 Kc2 69.Rb2 Kb2–/+ 70.Kh5? Rd7 71.f5 Rd5 72.g4 Rd6 73.h4 Kc3 74.g5 Kd4 75.f6? Ke5–+ 76.Kh6? Rd7 77.h5 0–1. Fournier,Frederic (1885) – NURIJ (1760), Active, 2012.

8.Bd3 Ne4 9.Nbd2 f5 10.0-0 Nc6 11.Ne5 Ne5 12.de5 Bc5 (12...Be7 13.Nb3=) 13.Nb3 Bb6 14.a4 a5 (14...Bd7 15.a5 Bc7 16.f3+/-) 15.c4 Qh4 (better 15...dc4!? 16.Bc4 Bd7+/-) 16.cd5+/- ed5 17.Be2 Be6 18.Bd4 Bd8 (18...Bd4 19.Qd4 Qe7 20.f3+/-) 19.f3 Ng5 20.Nc5 Bc8 (20...Be7+-) 21.f4 Ne6 22.Bf3 g5 (22...b6 23.Bd5 bc5 24.Bc5 Re8 25.Ba8 Nc5 26.Qd5 Be6 27.Qc5 Qe7+-) 23.Bd5 Re8 24.Qb3 Qh6 25.e4 Kh8 26.Ne6 Be6 27.ef5 Bf5 (27...Bd5 28.Qd5 Be7+-) 28.fg5 Qg5 (28...Qh4 29.Rad1 Be7 30.Rf5+-) 29.Rf5! Qf5 30.Rf1 Qg6 31.e6 Qg7 (31...Bf6 32.Bf6 Qf6 33.Rf6 Rac8 34.Qb2 Rc3 35.Qc3 Kg8 36.Rf7 Re6 37.Qg7) 32.Bg7 Kg7 33.Rf7 (33.Rf7 Kg6 34.Qb1 Kh6 35.Qh7 Kg5 36.Rf5 Kg4 37.Qh3) 1-0. PierrE – Njjade, internet, 2022.

8.Be2 Qb6 9.Ra2 Ne4 (9...Nc6 10.Nbd2=) 10.0-0= Nd7 11.Nbd2 Ndf6 12.c4 Qa5 (12...Nd2 13.Nd2 Qc7 14.g3=) 13.c5 Be7 14.Qc2 (14.Nb3 Qc7+=) 14...Bd7= 15.a4 Rac8 (15...Nd2!? 16.Nd2 Qc7+=) 16.Ne4+= de4 17.Ne5 Bc6 18.Nc6 bc6 19.Bc3 Qc7 20.Rb1 Rb8 21.Rab2 Rb2 22.Qb2 Nd5 23.Bd2 Rd8 24.Qb7 Rd7? (better 24...Qb7 25.Rb7 e5+–) 25.Qc7+– Rc7 26.Rb8 (better 26.Ba6!? Bf8 27.Ba5 Re7+–) 26...Bf8 27.Ba5 Rd7 28.Ba6 Ne7 29.Rb7 Rb7 30.Bb7 f6 (30...g6 31.Bc7+–) 31.Bc7 e5 (31...Kf7 32.Bb8 a5 33.Bc7+–) 32.de5 f5 (32...Kf7 33.Bb8 a5 34.Bc7+–) 33.a5 Kf7 (33...Ng6 34.Bb6! Ne5 35.Ba7+–) 34.Bb8 1–0. Uddin,Md Saif (2105) – Md,Shan Parvej (1880), 3rd SAIF POWERTEC National B Chess Cham, 2017. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Bd6)

8.Be2 Nbd7 9.Nbd2 b6 10.c4 Bb7 11.0-0 Rc8 12.Rc1 Bb8 13.Qb3 dc4 14.Nc4 Bd5 (14...Ne4 15.a4=) 15.Rc2 (15.Nfd2!?+=) 15...Ne4= 16.Rfc1 Nd6 17.Qb4 (17.a4 Nc4 18.Bc4 Nf6+=) 17...Nc4= 18.Bc4 (worse 18.Rc4 Bc4 19.Bc4 Nf6-/+) 18...Bf3 19.gf3 Qg5 20.Kh1 Qh5 21.f4 Qf3 22.Kg1 Nf6 (22...Qg4 23.Kh1 Qf3 24.Kg1 Qg4 25.Kh1 Qf3=) 23.Be2+= Qb7 24.Rc8 Rc8 25.Rc8 Qc8 26.Qc3 (26.Qc4 Qc4 27.Bc4 g6=) 26...Qb7 27.f3 (27.Bb5 Bd6=) 27...Nd5 28.Qd3 (28.Qc1 Bd6=+) 28...g6 (28...Qe7=+) 29.Kf2 (29.Qb3!?=) 29...Qe7-/+ 30.Qd1?? (better 30.Kg1-/+) 30...Qh4-+ 31.Kg1 Ne3 (31...Ne3 32.Qd2 Bf4-+) 0-1. Bendega (2035) - hamsterrad (2095), lichess.org, 2021.

9.a4 Ba6 10.Nbd2 Bb4 (10...dc4 11.Bc4 Bc4 12.Nc4 Bb4 13.Nfd2 Nc6=) 11.Be2 (11.Ba3!? Ba3 12.Ra3 dc4 13.Bc4=) 11...dc4 (11...Bc4 12.Bc4 dc4 13.Ba3 Bd2 14.Qd2–/+) 12.Rc1 (12.Ba3 Qd6 13.Bb4 Qb4–/+) 12...Qc7 (12...Qd5 13.0-0 Rc8 14.Ne5=+) 13.Bc3 (13.0-0!?=+) 13...Bc3–/+ 14.Rc3 Nd5 15.Rc1 (15.Rc2 c3 16.Nb1 Be2 17.Qe2 Nc6–/+) 15...c3 16.Ne4 Rc8 17.Ba6 (17.0-0 c2 18.Qd2 Be2 19.Qe2 Nb4–+) 17...Na6–+ 18.Qb3 h6 19.0-0–/+ Nab4 20.Ned2 Nd3 21.Rc2 N5b4 22.Rfc1 Nc1 23.Rc1 Nd5 24.h3 Qb7 25.Ne4 Ne3 26.fe3 Qe4 27.Rc3 Qd5 28.Rc8 Rc8 29.Qd5 ed5 30.Ne5 f6 31.Nd3 Rc3 32.Nb4 Re3 33.Nc6 Re4 34.Kf2 Kf7 35.Kf3 g5 (36.g3 Ke6 37.Na7 Rd4–+; 35...a5 36.h4 Ke6 37.h5–+) 0–1. Old Sisyphus – ncc_1701, ChessWorld.net, 2005.

9.a4 Nc6 10.Ba3 =+.

9.Nc3 Nbd7 10.cd5 ed5 (10...Nd5 11.Nd5 ed5 12.Bd3=) 11.Bd3 Bb7 (11...a6 12.Qb3=) 12.0-0 (12.Rc1 a6=) 12...Rc8 (12...a6 13.a4=) 13.Rc1 (13.Qb3 a6+=) 13...Ne4 (13...Qe7 14.Nb5=) 14.Nb5 (14.Qb3 Ndf6+=) 14...Bb8 (14...Rc1 15.Qc1 Bb8 16.Qc2=) 15.Rc8+= Qc8 (15...Bc8 16.Qc2+=) 16.Qc1 (16.Qa4 a6 17.Rc1 ab5 18.Bb5 Ndc5 19.dc5 bc5=) 16...Qe8 (16...Ndf6 17.Ne5=) 17.Nc3 Qe7 (17...Qe6 18.Qb1=) 18.Qc2 a6 (18...Ndf6 19.Rc1=) 19.Rc1 b5 20.Qb3 Attacking the isolated pawn on d5 20...Nb6 (20...Re8 21.Nd1=) 21.a4 b4 22.Ne2 a5 23.Ng3 (23.Rc2 Rc8=+) 23...Kh8 (23...Rc8 24.Bb5–/+) 24.Be4 (better 24.Rc2!?=+) 24...de4–/+ 25.Nd2 (25.Ne5 Qe8–/+) 25...f5 (better 25...Bg3 26.fg3 Bd5–+) 26.f3?? (better 26.Rc5 f4 27.ef4 Bf4 28.Ndf1=+) 26...ef3 (26...Bd5 27.Qd1 ef3 28.Nf3 Qe3 29.Kh1 Bg3 30.hg3–+) 27.Nf3 (27.gf3 f4 28.Nge4 Qh4–+) 27...Bd5 28.Qd1 (28.Qd3 Na4 29.Ba1 Bg3 30.hg3 b3–+) 28...Qe3 29.Kh1 Bb3 (29...Bg3 30.hg3 Re8 31.Qf1–+) 30.Qe2 (30.Qd2 Bf4 31.Qe3 Be3–+) 30...f4 (30...Qe2 31.Ne2 Na4 32.Ba1–+) 31.Qe3 fe3 32.Ne5 (32.Re1–+) 32...Rf2 (worse 32...Na4 33.Ba1 Nb6 34.Re1–+; worse 32...Ba4 33.Re1–+) 33.Ba1 Bd5 (worse 33...Ba4 34.Kg1 Rc2 35.Rc2 Bc2 36.Kf1–+) 34.Nf3 b3 (34...Bg3 35.hg3 Na4 36.Rc8 Bg8 37.Kg1–+) 35.Rf1 (35.Nf5–+) 35…Bg3 (35...Bg3 36.Re1 Bf4–+) 0–1. Correia,Vitor Paie – E Silva,Hamilton Moreira (1935), Championship Brasileiro Juvenil – Abs, 2012.

9.Nbd2 Ba6 10.Be2 Nbd7 11.0-0 Rc8 12.Qa4 Bc4 (12...Nb8 13.Qb3=) 13.Bc4 dc4 14.Nc4 Bb8 15.Rfc1 Ne4 16.Qb3 Ndf6 17.a4 Ng4 18.Rc2 Qd5 19.Rac1 Rc6 20.h3 Ngf2 21.Rf2 Nf2 22.Kf2 Rfc8 23.Nfd2 Qg5 24.e4 (better is 24.Kg1!?=) 24...Bf4–/+ 25.Bc3?? (better is 25.Qd1–/+) 25...Qg3–+ 26.Ke2 Bd2 (26...Bd2 27.Nd2 Rc3 28.Rc3 Rc3–+) 0–1. Zak,Pawel (1790) – Kowalczyk,Adam (1745), Polanica Zdroj op–B Poland, 2009.

9.Nbd2 Bb7 10.Be2 Nc6 11.0-0 Re8 12.Rc1 Nd7 13.cd5 ed5 14.Bb5 Na5 15.Rc3 (15.Qa4!? a6 16.Bd7+=) 15...a6= 16.Bd3 Nf6 17.Nb3 Nb3 (better is 17...Ne4!? 18.Be4 de4 19.Na5 ba5+=) 18.Qb3+= (worse is 18.Rb3 Ne4 19.Ne5 f6=) 18...Ne4 19.Rfc1?? (better is 19.Rc2+=) 19...Nc3–/+ 20.Bc3 Rc8 21.Rb1 Bc7 22.Bf5 Rb8 23.Qc2 g6 24.Bd3 Rc8 25.Qb2 Re6 26.a4 Rc6 27.Bd2 Qe7 28.Bb4 Qe8 29.Qe2 Bd8 30.Ba6 (30.Bd2!?–/+) 30...Ba6 31.Qa6 Rc1 32.Rc1 Rc1 33.Be1 White plans a5 33...Qc6 34.h3 Be7 35.Kh2 h5 (35...Ra1 36.h4–+) 36.Bd2 (36.a5 ba5 37.Qa5 Qc7 38.Qc7 Rc7–+) 36...Rc2 37.a5 Qc7 38.Kh1? (better is 38.g3 ba5 39.Kg2–+) 38...ba5 39.Ba5 Rc1 40.Be1 (40.Ne1 Qc2 41.Kg1 Kg7–+) 40...Qc2 (better is 40...Bb4! 41.Qe2 Be1 42.Ne1–+) 41.Qa8? (better is 41.Kh2 Kg7 42.Qa5 Bd6 43.g3–+) 41...Kg7 42.Qd5 Qc3 (better is 42...Bb4!–+) 43.Kh2+= Re1 (better is 43...Qc4 44.Qe5 Bf6=) 44.Ne1?? (better is 44.Ne5 Rh1 45.Kh1 Qe1 46.Kh2 Qf2 47.Nc4+/–) 44...Qe1–/+ 45.Qe5 Bf6 46.Qf4 h4 47.g3 hg3 48.Kg3 Qg1 49.Kf3 Qh1 50.Kg4 Qg2 51.Qg3 Qd5 52.h4?? (better is 52.Qf4–/+) 52...Qf5 0–1. tightfist (2480) – rpanugaling (2495), net–chess.com, 2015. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Bd6 8.c4 b6)

9.Nbd2 Nbd7 10.Bd3 Bb7 11.Qb1 h6 (11...dc4 12.Nc4 Qc7 13.Ke2+=) 12.0-0 Re8 13.Re1 e5 (better is 13...Qe7!?+= should be considered) 14.cd5+= e4 (better is 14...Bd5!? is worth looking at 15.e4 Bc6+=) 15.Ne4 Ne4 16.Be4 Nf6 17.Bd3 Nd5 18.Qd1 (18.Bb5 Re6 19.e4 Nf4+/–) 18...Nf6 (18...Rc8 19.e4 Nc3 20.Bc3 Rc3 21.e5 Ba3 22.Be4 Be4 23.Re4=) 19.h3 (19.Nd2 Qc7 20.h3 Bh2 21.Kh1 Bd6+/–) 19...Bd5 (19...Qe7!?+= should be investigated more closely) 20.Nd2+/– Ne4 21.Ne4 Be4 22.Be4 Re4 23.Qd3 Re6 24.Rac1 (24.e4 Be7+/–) 24...Qg5 25.e4 Rg6 26.Qf3 Rf6+/– 27.Qg4 Qa5? 28.e5+– Rg6 29.Qf3 Re8 30.Qc3 Qd5 31.g3 Bb8 32.Qc4 Qf3 33.Qe2 Qf5 34.Kh2 h5 35.Qc2 Qf3 36.Re3 Qd5 37.Qe4 Qe6? 38.f4 f5? 39.Qf3 Rh6 40.Qg2 Qg6 41.Rec3 Qf7 42.Rc6 g6 43.Rc8 Kh7 44.Re8 Qe8 45.Qb7 (45.Qb7 Kg8 46.Rc8 Qc8 47.Qc8 Kg7 48.d5 Be5 49.Be5 Kf7 50.Qd7 Kf8 51.Bg7 Kg8 52.Bh6 a6 53.Qg7) 1–0. Bienaime,Jean Yves (1910) – Gonzalez,Arnaud, FRA–chT3 Gr8, 2002. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Bd6)

9.Bd3 Ba6 10.Nbd2 Nbd7 11.Rc1 Rc8 12.0-0 Rc7 13.Qb3 Qc8 14.cd5 Bd3 15.Rc7 Qc7 16.Rc1 Qb7 17.de6 Bg6 18.ed7 Qd7 19.Nc4 Bb8 (19...Be4 20.Nfe5 Qe6 21.f3+-) 20.Nce5+- Qb7 21.Ng6 hg6 22.Ne5 Be5 23.de5 Ne4 24.e6 fe6 25.Qe6 Kh7 (25...Qf7 26.Qf7 (26.Qe4?? Qf2 27.Kh1 Qf1 28.Rf1 Rf1) 26...Rf7 27.f3+-) 26.Rc4 Nf6 27.Bf6 gf6 28.Rd4 Rf7 29.Qh3 Kg7 30.Rd8 (30.Rd8 g5 31.Rh8+-) 1-0. marekt (2200) - plato46353 (2180), gameknot.com, 2021.

9.Bd3 Bb7 10.Nbd2 Nbd7 11.0-0 Rc8 12.cd5 ed5 (12...Bd5? 13.e4+–) 13.Ne5 Be5 14.de5 Ne4 15.e6 (15.Nf3 Ndc5=) 15...Ndf6 (better 15...fe6!? 16.Ne4 de4=+) 16.ef7+= Rf7 17.Nf3 (17.Ne4 Ne4 18.Qh5 Qe7+=) 17...Qe8 (17...Ng4 18.Rb1=) 18.Nd4 a6 19.a4 Rfc7 20.Nf5 (20.a5 b5+=) 20...Qe6= 21.Nd4 (21.Qf3 Nd2 22.Qh3 Kh8+=) 21...Qd7 (21...Qe8!?=) 22.Qe2+= Rc4 (22...Qd6!?+=) 23.f3 Nd6 24.Bc4 dc4 25.Bc3 Nd5 26.Rfc1 (26.Qd2 Rd8+–) 26...b5 27.ab5 ab5 28.Qd2 Nf7 (28...Re8 29.Re1+–) 29.e4 (better 29.Rcb1!? Bc6 30.Ra5+–) 29...Nc3+– 30.Qc3 b4 31.Qe3 Ne5 32.Nf5 Nd3 33.Rd1 b3 34.Qg5 (34.Qb6 Rc6 35.Rd3 cd3 (35...Rb6?? 36.Rd7 Kf8 37.Rd8 Kf7 38.Rad1+–) 36.Qb3 Kh8+–) 34...Rf8 35.Qd2 Rf5 (35...Bd5 36.Qe3 (36.ed5?! Rf5 37.Ra8 Kf7=) 36...Bf7 37.Ra7+–) 36.ef5+– Qd4 (36...Qf5 37.Qe3 Bc6 38.Ra7+–) 37.Kf1 c3?? (better 37...Bd5+–) 38.Qe2 Qf2 (38...h6 39.Rd3 b2 40.Rb1+–) 39.Qf2 Nf2 40.Rd8 Kf7 41.Rd7 Kf6 42.Rb7 b2 43.Ra6 (43.Ra5 h5 44.Rb6 Kf7 45.Ra7 Kg8 46.f6 b1Q 47.Rb1 Kh7 48.Rg7 Kh6 49.Rb8 c2 50.Rh8) 43...Ke5 (43...Kg5 44.Rc6 Nd3 45.Rc3+–) 44.Rc6 (44.Kf2!? Kd5+–) 44...Kd4 45.Kf2 (45.Kf2 Kd3 46.Rcb6+–) 1–0. Rodriguez Regull,German (2015) – Cervello I Tost,Roger (1970), 3rd Barcelona Spain, Ponce Memorial, 2018. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.d4 Bd6 7.e3 0-0 8.c4 b6)

9.cd5 ed5 10.Nc3 Bf5 11.Rc1 a6 12.Nh4 Be6 13.Bd3 Nc6 14.Nf3 Na5 15.0-0 b5 16.e4 de4 17.Ne4 Nc4 18.Qc2 Ne4 19.Be4 Rc8 (< 19...Ba3 20.Ba3 (< 20.Ba8 Bb2 21.Rb1 Qa8–/+) 20...Na3 21.Qd3+= (21.Bh7?! Kh8 22.Qc3 Nc4=)) 20.Bh7 Kh8 21.Bd3 Bf4 (21...Na3?! 22.Qe2 Nc4 23.Qe4=; < 21...Ba3 22.Ba3 Na3 23.Qe2+=) 22.Qe2 Bd5 (22...Bc1!? 23.Rc1 Re8=+) 23.Rc2= Nb2 24.Rb2 Re8 25.Ne5 Qh4 26.h3 Qg5 27.Qg4 Qg4 28.Ng4 Rc3 29.Re2 Rd8 30.Bf5 Bc4 31.Re4 Bf1 32.Kf1 Bd6 33.Ne5 Be5 34.de5 Ra3 35.e6 fe6 36.Be6 g6 37.Ke2 a5 38.h4 b4 39.Rg4 b3 40.Rg6 Rf8 41.Bd7 Ra2 42.Ke3 Rff2 43.Be6 Rf8 44.Bd5 Rb8 45.g4?! Ra4 46.Be6 b2 47.Bf5 Rb3 48.Ke2 Ra2 49.Rh6 Kg7 (50.Bb1 Ra1 51.Rh7 Kg8–+) 0–1. R_O_O_K – marekt, ChessWorld.net, 2004.

9.cd5 Nd5 10.Nbd2 Nd7 11.Bd3 Bb7 12.0-0 N7f6 13.Rc1 Rc8 (13...a6 14.Qb3=) 14.Qb3 Ng4 15.h3 Ngf6 16.Qa2 (16.e4!? Nf4 17.e5 Rc1 18.Bc1 Be5 19.de5 Qd3 20.ef6=+) 16...Qd7 17.Ne5 (17.Nc4!?=) 17...Be5=+ 18.de5 Ne8 (18...Ne3!? 19.Qb1 A) worse 19...Nf1 20.ef6 g6 21.Nf1+= (worse 21.Rf1 Rfd8 22.Be4 Ba6-/+; worse 21.Kf1 Rc1 22.Bc1 Rc8-/+); B) 19...Rcd8 20.ef6 Qd3 21.Qd3 Rd3 22.fe3 Rd2=+) 19.Qb1 h6 20.Bh7 Kh8 21.Bc2?? (21.Be4 f5 22.Bf3 Rc1 23.Rc1 Ne7+=) 21...Nec7?? (better 21...Ne3!? 22.fe3 Qd2-/+) 22.Bd4 (22.Ne4 Ne8+=) 22...Ne7 (22...Nf4 23.ef4 Qd4 24.Ne4 Be4 25.Be4=) 23.f4 (23.Ne4!? Nf5 24.Rfd1+=) 23...Nf5 24.Bf5 ef5 25.Nf3 (25.Nc4 Qd5 26.Qb2 Nb5=+) 25...Qe6 26.Nh4 Nd5 (26...Be4 27.Qb4 Nd5 28.Qb5=+) 27.Rfe1 (better 27.Qf5!? Qe7 28.Qg4 Qa3 29.e6+/-) 27...g6 (27...Ne7 28.Qb4=+) 28.Nf3= Rc2?? (better 28...Rfd8=) 29.Rc2 1-0. Dino_Jarach (1700) - Imaginary_Checkmate, lichess.org, 2018.

9.cd5 Nd5 10.Bd3 h6 11.0-0 Bb7 12.Nbd2 Nd7 13.Qe2 Rc8 14.Nc4 Bb8 15.Rac1 Qe7 16.Nce5 Ne5 17.de5 Rfd8 18.Rfd1 Rc1 19.Rc1 (19.Bc1?? Nc3 20.Qd2 Nd1–+) 19…Rc8 ½–½. Fournier,Frederic (2030) – Ivan_Rudnickij (1955), ChessOK.com, 2013.

9.Bc4 Qa5 10.Bc3 Qh5 (10...Qc7 11.Qb3=) 11.Be2 (11.Bb4 Bb4 12.ab4 Bd7+=) 11...Qf5 (11...Nc6 12.Qc2=) 12.Nbd2 (12.Qd3 Nc6=) 12...Ne4 (12...Nc6 13.Nc4 Be7 14.0-0=) 13.Ne4+= Qe4 14.Bd3 Qg4 15.0-0 Nc6 (15...Bd7 16.Qb1 Qh5 17.Bb4 (17.Qb7?? Bc6 18.Be4 Bb7 19.Bb7 Nc6–+) 17...Bb4 18.ab4+=) 16.Be2 (16.h3 Qh5+–) 16...Qg6+= 17.Ne5 (17.Qb1 Qb1 18.Rfb1 Rd8+=) 17...Be5 (17...Qh6 18.Qb3=) 18.de5+= Rd8 19.Qe1 (19.Qb1 Qb1 20.Rab1 b6+=) 19...b6= 20.f4 (20.Qb1 Qg5=) 20...Bb7 21.Qf2 (21.Bf3 Rd3=) 21...Ne7 22.Bf3 Be4 23.Rad1 Nd5 (23...Rd1 24.Rd1 Nd5 25.Bd4=+) 24.Bd4= Rac8 25.Be4 (25.Rd2 Rd7=) 25...Qe4=+ 26.f5 (26.Rd2!?=+) 26...ef5 (better 26...Qf5 27.Qf5 ef5–/+) 27.Qf5?? (better 27.Rd2–/+) 27...Qf5–+ 28.Rf5 Ne3! 29.Be3 Rd1 30.Kf2 Rc2 31.Kg3 (31.Kf3 Rd3 32.e6 fe6–+) 31...Rd3 32.Rf3 Rcc3 (32...Ra3 33.h4–+) 33.Kf4 (33.Bg1 Ra3 34.h4 b5–+) 33...Ra3 34.g4 (34.Bg1 Ra4 35.Kg3 Rf3 36.Kf3 b5–+) 34...Re3! 35.Rf2 (35.Re3 g5 Double attack) 35...Rf3! 36.Rf3 Rf3 (36...Rf3 37.Kf3 Kf8–+) 0–1. Climent Vidal,Pere (1690) – Nunez Lucero,Francisco (2155), 6th Obert Ateneu Colon, 2011. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Bd6 8.c4 dc4)

9.Bc4 a6 10.0-0 b5 11.Bd3 Bb7 12.Nbd2 Nbd7 13.a4 b4 14.a5 Bc7 15.Qa4 Nd5 16.Rfc1 Rb8 17.Qd1 Ba5 18.Nb3 Bc7 19.Ba6 Nc3 (better is 19...Bd6!?=) 20.Bc3+/– Bf3 21.Qf3 (21.gf3?! Qg5 22.Kh1 Qh5+=) 21...bc3 22.Rc3 e5 23.Qf5 Re8 24.Bc4 Nf6 25.Rcc1 Rb4 26.g3 g6 27.Qc2 Bd6 28.Ra6 1–0. Ermolaev,Andrey (1850) – Nenciulescu,Silviu Catalin (2055), IECG, 2004.

9.Bc4 a6 10.Bd3 =.

9.Bc4 b6 10.0-0 Bb7 11.Nbd2 Nbd7 12.Rc1 Rc8 13.Ba2 h6 (13...Rc1 14.Bc1 Ne4 15.Bb1 Nd2 16.Nd2=+) 14.Rc8= Qc8 15.Bc4 Qc7 16.Qb3 Rc8 17.Rc1 Qb8 18.h3 Ne4 (better 18...a6!?=) 19.Be6! Rc1 (19...fe6 20.Rc8 Double attack) 20.Bc1 Ndc5?? (better 20...Qe8 21.Ne4 Be4+–) 21.Bf7 Kf8 22.dc5 Nc5 23.Qa2 Qc7 24.Bg6 Na4 (24...a6 25.Bb2+–) 25.Qe6 Qc1 (25...Qe7 26.Qf5 Qf6+–) 26.Nf1 Qc7 (26...Qf1 27.Kf1 Ba6 28.Kg1 Bh2 29.Kh2 Bd3 30.Qf7) 27.Qe8 1–0. Adlai – Toq2364, internet, 2019.

9.Bc4 Qb6 10.Qe2 Nc6 11.Nc3 e5 12.Nb5 e4 13.Nd6 ef3 14.gf3 Nd4 15.Bd4 Qd6 16.Qb2 Bd7 (16...Nh5!?+=) 17.Rg1+/- (17.Rg1 Kh8 18.Bf6 Qf6 19.Qf6 gf6 20.Bd3+/-) 1-0. Adlai – Byadab, internet, 2021.

9.Bc4 Nc6 10.0-0 b6 11.Nbd2 Bb7 12.Bd3 Rc8 13.Rc1 Qd7 14.Bb5 a6 15.Bc6 Bc6 16.Nc4 Qc7 17.Nce5 Qb7 18.Rc6 Rc6 19.Nc6 Qc6 20.Qe2 Qb7 21.Rc1 Rc8 22.Rc8 Qc8 23.e4 Be7 24.Ne5 Qc7 25.h3 Nd7? 26.Nd7+/– Qd7 27.Qa6 Qc6 28.Qd3+– h6 29.d5 Qd7 30.Qd4 f6 31.Qb6 ed5 32.Qb3 Kf8 33.ed5 Bd6 34.a4 Qe8 35.Kf1 Qe4 36.Ba3 Ba3 37.Qa3 Kf7 38.Qb3 Qe5 39.d6 Ke8 40.Qb8 Kd7 41.Qc7 (41...Ke6 42.Qe7 Kf5 43.Qe5 fe5 44.d7+–) 1–0. Rosner,Dirk – Schmedemann,Joerg, DESC, 2000.

9.Bc4 Nc6 10.0-0 b6 11.Qe2 Bb7 12.Nbd2 Rc8 13.Rfc1 Qe7 14.Bd3 Rfd8 15.Rc2 (15.e4 Bf4=) ½–½. Woelfelschneider,Peter – Milde,Lars, TT–08.03 ETC, 2003.

9.Bc4 Nc6 10.Nbd2 Re8 11.0-0 e5 12.Qb3 Rf8? (better is 12...Qc7 13.de5 Be5 14.Be5 Ne5 15.Ne5 Re5+=) 13.de5+– (13.Ne5?! Be5 14.de5 Ng4+/–) 13...Na5? (better is 13...Be5 14.Ne5 Ne5 15.Be5 Qd2+–) 14.Qc2 Nc4 15.Nc4 (15.ed6?! Nb2 16.Qb2 Qd6+=; 15.ef6?! Nd2 16.Qd2 gf6+/–) 15...Be7 16.Ng5 g6 17.ef6 Bf6 18.Rad1 Qe7 19.Bf6 Qf6 20.Ne4 Qe7 21.Ned6 Be6 22.Qe4 b5 (22...f5 23.Qe5+–) 23.Nb5 Rfc8 24.Nd4 Rc4 (24...h6 25.Ne6 Qe6 26.Qe6 fe6 27.Ne5+–) 25.Qa8 Kg7 26.Ne6 Qe6 (26...fe6 27.Qb8+–) 27.Qa7 Rg4 28.Rd4 1–0. Fournier,Frederic (2250) – recreation (1825), Active (5/5), 2006.

9.Bc4 Bd7 10.Nbd2 Bc6 11.0-0 Nbd7 12.Ne5 Bd5 13.Bd5 Nd5 14.Ndc4 Be7 15.Rc1 Ne5 16.de5 Rc8 17.Qb3 b6 18.Rfd1 Qe8 19.Nd6 Bd6 20.ed6 Qd7 21.e4 Nf4 22.Qe3 Rc1 23.Rc1 (23.Rc1 Qb5 24.Qf4 Qb2 25.d7+=) 1–0. fredbaraer (1900) – rhand (2400), net–chess.com, 2013.

9.Bc4 Bd7 10.Nbd2 Bc6 11.Qc2 Nbd7 12.e4 Be7 13.Ng5 h6 14.h4? g6?? 15.Ne6= fe6 16.e5 Kg7 17.ef6 Bf6 18.Be6 Qe7 19.Qb3 Rad8 20.d5?? Bd5!! 21.Bf6 Qf6 22.Qd5 Qa1 23.Ke2 Qe5 (24.Qe5 Ne5–+; 23...Qh1 24.Bd7 Rfe8 25.Kf3 Qd1 26.Kg3 Re7 27.Qd4 Kh7 28.Qa7 Qd2–+) 0–1. Wall,Bill – Fuentes,Virgil, Sunnyvale CA, 1988.

9.Bc4 Nbd7 10.0-0 b6 =.

9.Bc4 Nbd7 10.Nc3 a6 11.Qb3 =.

9.Bc4 Nbd7 10.Nc3 Nb6 11.Bd3 Bd7 12.0-0 Rc8 13.Ne5 Be5 14.de5+= Nfd5 15.Nd5 Nd5 16.Bd4 b6 17.Qh5 h6 18.Qg4 Ne7 19.Rac1+/– Bc6 20.Rfd1 Ba4 21.Qe4 Nf5 22.g4 Bd1 23.Rd1 Qg5 24.Kh1 g6 25.gf5 gf5 26.Qf3 Qh4 27.Bf5! Rfe8 28.Bd3 Kf8 29.Rg1 Rc7 30.Bh7 Ke7 31.Qf6 (31...Qf6 32.ef6 Kd7 33.f4+–; better is 31.Bc3! a5 32.Bd4 Rec8+–) 1–0. Zeun,D – Plock,Joerg, corr SOK–96–116, 1997.

9.c4 Ba6 10.Rc1 Nbd7 11.Qa4 Bb7 12.cd5 ed5 13.Ba6 Ba6 14.Qa6 Re8 15.0-0 Nf8 16.Rc6 Ng6 17.Rfc1 Qd7 18.a4 Ne7 19.R6c2 Rec8 20.Ne5 Be5 21.de5 Ne4 22.Ne4 Rc2 23.Rc2 de4= 24.Bd4 Rc8 25.Rc8= Qc8 26.Qc8 Nc8 27.f3 ef3 28.gf3 Ne7 29.f4 Nd5 30.f5 Kf8 31.Kf2 Ke7 32.Kf3 g6 33.e4 Nb4 34.Kg3 Nc6 35.Bb2 a6 36.Kh4 b5 37.ab5 ab5 38.Kg5 gf5 39.ef5 b4 40.Kh6 Ke8 ½–½. Pilczuk,Andrzej – Guziec,Krzysztof, corr 1. AMM Poland, 1992.

9.c4 Ba6 10.Be2 Nc6 11.Qa4 Bb7 12.0-0 Rc8 13.Rfc1 Na5 14.cd5 Bd5 15.Rc8 Qc8 16.Rc1 Qb7 17.Qc2 b5 18.Bd3 Nc4 Attacks the isolani on a3 19.e4 Nb2 (worse is 19...Na3 20.Ba3 Ba3 21.Rd1+=) 20.Qb2 Ne4 21.Ne4 Be4 22.Be4 Qe4 23.Qb5 Qf4 (23...Ba3!? 24.Re1 Qa8–/+) 24.Qb2+= a5 25.Qc3 Rb8 26.g3 Qf5 27.Ne5 ½–½. Plinsinga,Wiert Johan – Klechniowski,Andrzej, Warsaw Legion tt, 1959. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.d4 Bd6 7.e3 0-0)

9.c4 Bb7 10.cd5 Nd5 11.Bd3 Nd7 12.0-0 N7f6 13.Rc1 Qe7 14.Qb3 Ng4 15.h3 Nh6 16.Nc4 Bc7 17.Qc2 (17.g3!?+/-) 17...f5+= 18.Nce5 Rac8 19.Qb3 Nf7 20.a4 Ne5 (20...Qb4 21.Qb4 Nb4 22.Bb5 Be5 23.de5+=) 21.de5 Rfd8 22.e4?? (better 22.Bc4+=) 22...Nf4-/+ 23.Bb1?? (better 23.Bc4 fe4 24.Ba3-/+) 23...fe4 (better 23...Ne2 24.Kh2 fe4 25.Rc7 Rc7 26.Ng1-+) 24.Nd4 (24.Qe3 ef3 25.Qf4 fg2-+) 24...Qg5 (better 24...Rd4 25.Bd4 Qg5-+) 25.Qg3 Qe5 26.Rc2?? (26.Rfe1 Bd6 27.Rcd1-+) 26...Rd4 27.Bd4 (27.Rfc1 Rcd8 28.Kh1 Bb8-+) 27...Qd4 28.Kh1 Nd5 29.Qg4 (29.Qg5 h6 30.Qg4 Qe5 31.Rc7 Rc7 32.Qe4 Qe4 33.Be4 Rc4-+) 29...Qe5 30.g3 (30.Rc7 Rc7 31.Qe4 Qe4 32.Be4 Rc4-+) 30...e3 31.Kh2 ef2 32.Rcf2 (32.Rc7 Nc7 33.Qf4 Qf4 34.gf4 Nd5 35.Rf2 Rc4-+) 32...Ne3 33.Bh7 (33.Qf4 Nf1 34.Rf1 Qf4 35.gf4-+) 33...Kh7 34.Qh4 Kg8 35.Re1 Ng4! 36.Qg4 (36.hg4 Qd4 Double attack (36...Qe1 Discovered attack; 36...Qd4 Decoy); 36.Qg4 Qe1 Discovered attack) 36...Qe1 37.Qe6 (37.Qf3 Bf3 38.Rf3 Qe2 39.Kg1 Bg3 40.Rf8 Rf8 41.Kh1 Rf1) 37…Qe6 (37...Qe6 38.h4 Qg4 39.Rf4 Bf4 40.Kg1 Bg3 41.Kf1 Rc1) 0-1. carlos78 (2205) - sgtBatista (2025), Rated Blitz game, lichess.org, 2015.

9.Bd3 Bb7 10.0-0 ½–½. Stojanovski,D (2425) – Menkinoski,R (2345), 20th ch–MKD Open, 2011.

9.Bd3 Qe7 10.0-0 Bb7 11.Ne5 Ne4 12.c4 (better 12.Qh5!?=) 12...Nd2-/+ 13.Qd2 f6 14.Nf3 dc4 15.Bc4 Bf3 16.gf3 Bh2 17.Kg2 (17.Kh2 Qc7 Double attack) 17...Bd6 18.Rh1 Nd7 19.Rag1 f5 20.f4 (20.Qd3 Rac8=+) 20...Kh8 21.Kf1 (21.Qd3 Nf6=+) 21...Nf6 (21...Ba3 22.Ba3 Qa3 23.Be6=+) 22.Qe2 (22.Qd3 Rab8=+) 22...Rac8 23.Ba6 Rc7 24.Qd3 Nd5 25.Rh2 Qe8 26.Bb5 Qa8 27.Ba4 (27.Rgh1 g5-/+) 27...Rfc8-/+ 28.Qd1 (28.Ke1!?-/+) 28...a5 29.Bb3 Qa6 30.Kg2 Qb7 31.Kf1 Kg8 32.Rg3 g6 33.Kg1 (33.Ke1 b5-/+) 33...b5 34.Qh5 Rg7 (34...Rc1!? 35.Bd1 Qg7 36.Bc1 Rc1 37.Qf3 Bf4 38.Rgh3-+) 35.Qd1 a4 36.Bd5 Qd5 37.f3 Rgc7 38.Re2 Qa2 39.Qd3 Rc2! 40.Rc2 (40.Qc2 Rc2 Double attack; 40.Rc2 Qb1 Double attack (40...Qb1 Decoy)) 40...Qb1 41.Qf1 Qf1 42.Kf1 Rc2 43.Rg2 Rg2 44.Kg2 b4 45.ab4 Bb4 46.e4 a3 47.Ba1 Bd2 48.d5 ed5 49.ef5 (49.ed5 Bc1 50.d6-+) 49...gf5 50.Bd4 Bf4 0-1. zuri9 (2235) - peshky (2260), gameknot.com, 2021.

9.0-0 Ba6 10.Ba6 Na6 11.Qd3 Nc7 12.Nc3 Rc8 13.Rad1 Nce8 14.Nb5 Bb8 15.Ne5 a6 16.Nc3 b5 17.e4 de4 18.Ne4 Ne4 19.Qe4 Nd6 20.Qf3 (20.Qd3!?-/+) 20...Rc2-+ 21.Bc3 Qc7 22.Nc6? (better 22.Bb4-/+) 22...Rc3! 23.Qc3 Ne4 24.Ne7 Qe7 25.Qe3 Nd6 26.a4 Nf5 27.Qe2 (27.Qe4 Qd6 28.g3 Qd5 29.Qd5 ed5 30.ab5 ab5-+) 27...Qd6 28.g3 (28.Qe5 Qa3 29.Qe2 Qa4-+) 28...Nd4 29.Qe4 Ba7 30.ab5 ab5 31.Qb7 (31.Rfe1 Bc5-+) 31...Qb6 (31...Bc5 32.Qe4-+) 32.Qb6 Bb6 33.Rd3 Rb8 34.Rfd1 e5 35.Kg2 b4 36.f4 f6 37.fe5 fe5 38.Re3 Nc2 39.Re5 Ne3 40.Re3 Be3 41.Kf3 Bg5 42.Rb1 b3 43.Kg4 Bd2 (better 43...Bf6 44.Kf3 g5-+) 44.Rb2 (44.Kf3-+) 44...Bc1 45.Rb1 b2 46.Kh5 Ra8 47.h4 (47.Kg4 Ra1 48.Rb2 Bb2-+) 47...g6 (47...Ra4 48.Rc1 bc1Q 49.g4 g6) 48.Kg4-+ Ra4 49.Kf3 Ra1 (49...Ra1 50.Rb2 Bb2-+) 0-1. Norkeliunas,Matas - Stockmann,Till (1975), 29th EY Open U14, 2019.

9.0-0 Ba6 10.Ba6 Na6 11.Qe2 Nc7 12.Nbd2 Ne4 13.Rfc1 Nd2 14.Qd2 b5 15.Bc3 f6 16.Bb4 a6 17.Bd6 Qd6 18.Qb4 Rfd8 19.c3 Kf7 (19...Qc6 20.a4+=) 20.a4= Qc6 21.Rc2 Rdb8 22.h3 Rb7 23.Ne1 (23.a5 Rc8=) 23...Qc4 24.ab5 Rb5 (24...Nb5!? 25.Qc4 dc4=) 25.Qc4+= dc4 26.Nf3 (26.Ra4 Ra7 27.Rc4 Rb1+=) 26...Rab8 (better is 26...Nd5!?+=) 27.Nd2+= Rb2 28.Rb2 Rb2 29.Nc4 Rb3 30.Ra3 Rb1 31.Kh2 Ke7 32.Nd2 (32.e4 Rc1 33.Ne3 h5+/–) 32...Rb2 33.Ne4 ½–½. Berwanger,Florian – Fassing,Daniel, Karl Mala mem op, 2006.

9.0-0 Ba6 10.Qe2 Bd3 11.Qd3 Nc6 12.c4 dc4 13.Qc4 Rc8 14.Qd3 Na5 15.Nbd2 Nd5 16.Rfc1 Qd7 17.g3 (17.Ne5 Be5 18.de5 Rcd8=) 17...b5 18.Ng5 f5 19.e4 Nb6 20.Rc8 Rc8 (worse is 20...Nc8 21.d5 e5 22.Bc3+=) 21.ef5 ef5 22.Re1 Nac4 23.Nc4 Nc4 (worse is 23...Rc4 24.Ne6=) 24.Bc1 g6 (24...Be5 25.Nf3 Bc7 26.d5+=) 25.Ne6= a5 26.h4 Qe7 27.d5 ½–½. Fournier,Frederic (2400) – Txema (2150), chess.com (team), 2009.

9.0-0 Ba6 10.Qe2 Bd3 11.Qd3 Nbd7 12.Nbd2 Qe7 13.Rfc1 Rfc8 14.c4 e5 15.Ne5 Ne5 16.de5 Be5 17.Be5 Qe5 18.Nf3 Qe4 19.Qe4 de4 20.Nd2 Rc7 21.Rc2 Rac8 22.Rac1 Kf8 23.Kf1 Ke7 24.Ke2 Kd6 25.Nb3 g6 26.h3 Nd7 27.f4 a6 28.Rd2= Ke7 29.Rd4 f5 30.g4 b5–/+ 31.Nd2 Nb6 32.gf5 gf5 33.Rg1 bc4 34.Rg5 Rc5 35.Rh5–/+ c3 36.Rh7 Kf8 37.Nb3 c2 38.Rh8 Kg7 39.Rc8 Rc8 40.Kd2? Nc4–/+ 41.Kc1 Ne3–+ 42.Rd7 Kh6 43.Rd6 Kh5 44.Ra6 Kh4 45.Rg6 Kh3 46.a4 Rc3 47.Na1? Ra3 48.Nc2 Rc3 49.Kd2 Rc2 50.Ke3+= Ra2 51.Rh6= Kg2 52.Rh5 Ra3 53.Ke2 Ra2 54.Ke3 Ra3 55.Ke2 Ra2 56.Ke3 Ra3 ½–½. Fournier,Frederic (1855) – Acquart,Laurent (2055), Open APSAP, 2005.

9.0-0 Bb7 10.Nbd2 Nbd7 11.c4 Rc8 12.cd5 ed5 (12...Bd5? 13.e4+–) 13.Qa4 a6 14.Rfc1 (14.Ba6? Ra8–+) 14...b5 15.Qd1 Qe7 16.Nb3 (16.a4 b4=) 16...Ne4 17.a4 b4 (17...ba4 18.Rc8 Rc8 19.Ra4=) 18.Na5 Ndf6 19.Nb7 Qb7 20.Qe2 (20.Rc8 Qc8 21.Qb3 a5=) 20...Rc1 21.Rc1 a5 22.Qc2 Ng4 23.Be4 de4 24.Ne5 Be5 25.de5 Qe7 (25...Rd8!?=) 26.Qe4+= Qh4 27.Qf4 g5 28.Qg3 Qg3 29.hg3 Rd8 30.Bd4 Rd5? (better is 30...Rb8+/–) 31.Rc8+– Kg7 32.e6 (32.e6 Rd4 33.ed4 fe6 34.Rc5+–) 1–0. Sapareva,Magdalena (1650) – Baliuniene,Margarita, 13th European Senior Championship, 2013.

9.0-0 Bb7 10.Nbd2 Nbd7 11.c4 Ne4 12.Qc2 Ndf6 13.Ne5 Rc8 14.Ne4= de4 15.Be2 Qc7 16.Qa4 Be5=+ 17.de5 Nd7 18.Rad1 Bc6=+ 19.Qc2 Ne5 20.f4 ef3!–/+ 21.gf3 Bb7 22.Rd4 b5–+ 23.Rh4 Ng6 24.Qc3 f6 25.Rg4 bc4 26.Bc4–/+ Bd5 27.Bd5 Qc3 28.Be6=+ Kh8 29.Bc3 Rc3 30.Ra4 Re3 31.Ra7?? Re6–+ 32.f4 Re7 (33.Re7 Ne7–+) 0–1. epiglotis (2185) – janviaene (2240), net–chess.com, 2001.

9.0-0 Bb7 10.Nbd2 Nbd7 11.c4 Re8 12.Rc1 Rc8 13.Qe2 e5 14.Bf5 g6? (better is 14...e4!? 15.Ne5 Rc7 (worse is 15...Be5 16.de5 Ne5 17.Bc8 Bc8 18.cd5+/–) 16.Nd7 Nd7 17.cd5 Nf6=) 15.de5+/– Be5 16.Ne5 gf5 17.Nd7 Nd7 18.Qh5 Ne5 19.Qf5 Ng6 (19...Qd6 20.Be5 Re5 21.Qf4+/–) 20.Rfd1+– Qe7? (20...d4 21.ed4 Bg2+–) 21.cd5 Rc1 22.Rc1 Rd8 (22...a6 23.e4+–) 23.Ne4 h6 24.Nf6 Kf8 25.Qh5 Kg7 (25...Qd6+–) 26.Ng4 Kg8 (26...Kf8 27.Qh6 Ke8 28.Nf6 Qf6 29.Bf6 Rd5+–) 27.Qh6 Rd6 (27...Ne5 28.Be5 Qe5 29.Ne5 Bc6 30.Qg5 Kf8 31.Qf6 Rd7 32.Ng6 Ke8 33.Qh8#) 28.Qg7# 1–0. Fournier,Frederic (2540) – Karim (1770), Echecsemail.com (Defi), 2013.

9.Nbd2 Bb7 10.c4 dc4 11.Nc4 Be7 12.0-0 Nbd7 13.Nce5 Ne5 14.Ne5 Nd7 15.f4 Ne5 16.fe5 Qd5 17.Qg4 (17.e4 Qd7+=) 17...h5 (17...Qb3 18.Qe2=) 18.Qf3 (18.Qe2!?+=) 18...Qf3= 19.gf3 h4 20.h3 Rac8 21.Rac1 Bg5 (21...a6 22.Be4 Be4 23.fe4=) 22.f4 Be7 23.Kf2 Rc1 (23...a6 24.f5+=) 24.Rc1 Rc8 25.Rc8 Bc8 26.Be4 Ba6 27.Kf3 (27.Bf3 f5+=) 27...f6 (27...Bf1 28.Kg4=) 28.ef6+= gf6 (better 28...Bf6 29.Kf2 Kf7+=) 29.Kg4?? (better 29.f5 ef5 30.Bf5+/-) 29...f5-+ 30.Kf3 fe4 31.Ke4 Bf1 32.Ke5 (32.Kf3 Bh3 33.e4 Kf7-+) 32...Kf7 (worse 32...Bh3 33.Bc3-+) 33.a4 (33.Ke4-+) 33...Bh3 34.Bc3 Bf5 35.Be1 h3 36.Bg3 Bb4 (better 36...Bh4! 37.e4 Bg3 38.ef5 ef5 39.Kf5 h2-+) 37.e4 White prepares the advance d5 37...Bg4 38.f5 ef5 39.ef5 Bc3 (39...Bd1 40.Bf4-+) 40.Ke4 Kf6 (better 40...Bd1 41.Kd3 Bb2 42.Ke4-+) 41.d5 (41.Be5 Ke7 42.Kd3-+) 41...Bf5 42.Kf4 (42.Kf3 a6 43.d6 Bd7-+) 42...Bd7 43.Ke4 Ba5 (43...Ba4 44.Bh4 Kg6 45.Bg3-+) 44.d6 (44.Bh4 Kg6 45.Bg3 Ba4-+) 44...Bb4 45.Kd5 Bc5 46.Ke4 (46.Bf4 Kf5 47.Bg3 Be3-+) 46...Kg5 (better 46...Bc6!? 47.Kd3-+) 47.Kd5 (47.Bf4 Kg4 48.Bh2 Ba4-+) 47...Kg4 48.Be5 (48.Bh2 a5-+) 48...Kf3 49.Bh2 Kg2 50.Be5 h2 51.Bh2 Kh2 52.Ke5 Bd6! 53.Kd6 Ba4 54.Kc7 b5 55.Kd6 Kg2 (better 55...b4-+) 56.Kc5 Kf2 (better 56...a5 57.Kb6 b4 58.Ka5-+) 57.Kb4 Ke2 58.Ka5 Kd2 59.Kb4 Kc2 60.Kc5 Kc3 61.Kd5 b4 62.Kc5 b3 63.Kd5 b2 64.Kc5 (64.Ke6 a5 65.Kd6 b1Q 66.Ke5 Qe1 67.Kf6 Qh4 68.Ke6 Qh6 69.Kf7 Bb3 70.Ke7 Qe6 71.Kd8 Qd6 72.Kc8 Bc4 73.Kb7 Qd7 74.Kb6 a4 75.Kc5 Qc7) 64...b1Q 65.Kd5 Qd1 (65...Qf5 66.Kd6 Qf6 67.Kc7 Qe7 68.Kb8 Bc6 69.Kc8 Qd7 70.Kb8 Qb7) 66.Ke5 (66.Ke6 Qg4 67.Kf6 Qf4 68.Ke7 Kd4 69.Kd8 Qd6 70.Kc8 Bd7 71.Kb7 Qb6 72.Ka8 Bc6) 66...Kc4 (66...Qd4 67.Kf5 Bd7 68.Kg5 Qg7 69.Kf4 Qg4 70.Ke3 Bc6 71.Kf2 Kd2 72.Kf1 Qg2) 67.Ke6 Kc5 68.Kf5 Qe1 69.Kf6 (69.Kg5 Qe3 70.Kg4 Bd7 71.Kh5 Qg3 72.Kh6 Bf5 73.Kh5 Qg4 74.Kh6 Qg6) 69...Kd6 70.Kf5 (70.Kg6 Bc2 71.Kg5 Qg3 72.Kh5 a5 73.Kh6 Qg6) 70...Qe5 (70...Qh4 71.Kg6 Ke7 72.Kg7 Bc2 73.Kg8 Qh7) 71.Kg4 Qf6 (71...Bd1 72.Kh3 Bf3 73.Kh4 Qf4 74.Kh3 Qg4 75.Kh2 Qg2) 72.Kg3 Ke5 73.Kg4 (73.Kg2 Qf4 74.Kh3 Qf3 75.Kh4 Bd1 76.Kg5 Qf6) 73...Qf4 74.Kh3 Qg5 (74...Qf3 75.Kh4 Bd1 76.Kg5 Qf6) 75.Kh2 Qg8 (75...Bc6 76.Kh3 a5 77.Kh2 Qg2) 76.Kh3 Kf4 77.Kh2 Kf3 78.Kh1 (78.Kh3 Qg3) 78…Qg2 0-1. Dino_Jarach (1700) - Imaginary_Checkmate, lichess.org, 2018.

9.Qe2 Nc6 10.0-0 Bb7 11.Nbd2 Rc8 12.Rfc1 Na5 13.h3 Qe7 14.Ne5 Rc7 15.c4 Rfc8 16.cd5 Rc1 17.Bc1 Be5 18.de5= Nd5 19.Bb2 Nc3 20.Qf1 Nd5 21.Rc1 Rc1 22.Qc1 g6 23.Qc2 a6 24.Ne4 b5 25.Nf6 Nf6= 26.ef6 Qd6 27.Qc3 Qc6 28.f3 Qc3 29.Bc3 Nc6 30.Kf2 Kf8 31.Be4 Nd8 32.Ba5 ½–½. Tansuwat,Jonas – Bentz,Claudia, Mehlingen PSB–ch HT1, 1999.

9.0-0 a6 10.c4 b5 11.cb5+= ab5 12.Bb5 Ba6 13.Ba6 (13.Bc6 Qb6 14.Ba8 Qb2+/–) 13...Ra6+= 14.Nc3 e5 (14...Qa5 15.Qc2+=) 15.de5 Ne5 16.Qe2 (16.Ne5 Be5 17.Rb1 Rb6+/–) 16...Nf3+= 17.Qf3 Attacks the isolani on d5 17...Re8 (better is 17...Bh2 18.Kh2 Qb8 19.Kg1 Qb2 20.Nd5 Nd5 21.Qd5 Ra3=) 18.Nd5?? (better is 18.Rfb1+/–) 18...Nd5–/+ 19.Qg4? (19.h3 Nc7–/+) 19...g6 (better is 19...Bh2!? 20.Kh2 Qb8 21.Kg1 Qb2–+) 20.Qd4–/+ Qf6?? (20...Be5 21.Qd3 Bb2 22.Qa6 Ba1 23.Ra1–/+) 21.Qd5?? (better is 21.Qf6 Nf6 22.Bf6 Ra3 23.Ra3 Ba3 24.Rb1+/–) 21...Qb2–+ 22.Rfb1 Qe5 23.Qe5 Be5 24.g3? Rae6 25.Ra2–/+ f5 26.a4 g5 27.a5 Ra8 28.Rb5 f4 29.ef4= gf4 30.gf4 Bf4 31.f3 Rea6–+ 32.Rf5 Bc7 33.Rc5 Ra5?? 34.Raa5?? Ba5–+ 35.Rg5 Kf7 36.Kg2 Bd8 37.Rg4 Ra2 38.Kg3 Bc7 39.f4 Ra3 40.Kh4?? Ra2 41.h3?? Rh2 42.Kg3 Ra2 43.Kh4 Kf6 44.Kh5 Rh2 45.h4 Kf5 46.Rg5–/+ Ke4 47.Rc5?? Bf4–+ 48.Rc4 Ke3 49.Rc3 Kd4 50.Rf3 Bd2 51.Rf7 Be1 52.Rh7 0–1. Fournier,Frederic – just139, Active, 2008.

9.0-0 a6 10.Nbd2 b5 11.a4 b4 12.c4 =.

9.0-0 a6 10.Nbd2 Re8 11.c4+= dc4 12.Nc4 Bc7 13.Rc1 b5 14.Ncd2 Bb7+= 15.Ne4 Rc8 16.Nf6 Qf6= 17.Rc2 Na5 18.Qc1 Bf3=+ 19.gf3 Qf3 20.Be2 Bh2?? 21.Kh2+/– Rc2 22.Qc2 Qf6+/– 23.Rg1 Qh4? 24.Kg2+/– f5? 25.Kf1+– Nb7 26.d5! g6 27.Qc3 Qh6 28.de6 Re6 29.Qc8 Kf7 30.Qb7 Re7 31.Qd5 Ke8 32.Bf3 Qh3 33.Bg2 Qg4 34.Qc6 Kf8 35.f3 Qa4 36.Qd6 Qc4 37.Kf2 Qc2+/– 38.Kg3 Qb2 39.Rh1 h5 40.Rd1 Qe5 41.Qe5 Re5 42.f4?? Re3–/+ 43.Kf2 Ra3 44.Rd8 Ke7–+ 45.Rg8 b4 46.Rg6=+ b3 47.Rb6 a5=+ 48.Bd5 a4 (49.Re6 Kd8 50.Rd6 Kc7 51.Rc6 Kd7=+). revbodio – FlyBiMarc6, Caissa.com, 2004.

9.0-0 Rb8 10.Nbd2 =.

9.0-0 Qc7 10.Nc3 Qb6 =.

9.0-0 Qc7 10.c4 b6 (10...dc4 11.Bc4 a6 12.Bd3=) 11.Nc3 a6 12.cd5 Nd5 (12...ed5 13.e4 de4 14.Ne4+=) 13.Qc2 (13.Rc1 h6+/–) 13...Nf6 (13...Nc3!? 14.Bc3 f5+=) 14.Ne4+/– Ne4 15.Be4 Bb7 16.Rfc1 (16.Bh7 Kh8 17.Bd3 Rac8+/–) 16...Rac8 (16...Rfc8 17.Bh7 Kh8 18.Be4+/–) 17.Bh7 Kh8 18.Be4 (better is 18.Bd3 b5 19.Qe2+/–) 18...Nd4? (better is 18...Qd7 19.Qe2 Kg8+–) 19.Bd4+– (19.ed4?! Qc2 20.Bc2 Bf3 21.gf3 Bf4+/–) 19...Qc2 (19...Be4 20.Qb2 Qb7 21.Bg7 Kg8 22.Bh6+–) 20.Bc2 (20.Rc2?! Be4 21.Rc8 Rc8 22.Bb6 Ba3+=) 20...Bf3 21.gf3 Rc6 (21...b5 22.Kg2+–) 22.Be4 (22.Bd3 Rc1 23.Rc1 Ba3+–) 22...Rc1 23.Rc1 Ba3 24.Ra1 (24.Rc6 b5+–) 24...Bc5 25.Bc5 bc5 26.Ra6 Rc8 27.Ra7 Kg8 28.Kf1 f5 29.Bc2 Rb8 30.Rc7 Rb5 31.Bd3 (31.Bd3 Rb3 32.Bc4 Rb1 33.Ke2+–) 1–0. Wall,Bill – SVN, internet, 2004.

9.0-0 Qc7 10.Nbd2 a6 11.c4 b6 12.Rc1 Qb7 (12...Bb7 13.Qc2 dc4 14.Nc4+=) 13.cd5 ed5 (worse is 13...Nd5 14.Qc2 Na5 15.Bh7 Kh8 16.Be4+/–) 14.Qc2 Bd7 15.Ne5 Rac8 (15...Ne7!?+=) 16.Nd7+/– Nd7 17.Bh7 Kh8 18.Qb1 (better is 18.Bd3!? Nce5 19.Qb3 (worse is 19.de5 Rc2 20.Rc2 Be5+=) 19...Nd3 20.Qd3+/–) 18...g6= 19.Bg6 fg6 20.Qg6 Rf6 (better is 20...Nf6=) 21.Qh5+/– Kg7 22.e4?? (better is 22.Qd5 Rh6 23.f4+–) 22...Rh8–+ 23.Qh8 (23.Qg4 Rg6 24.Qd1 Bh2 25.Kh1 Qc7–+) 23...Kh8 24.e5 Nce5! 25.de5 Be5 (25...Ne5?! 26.f4 Nd7 27.Bf6 Nf6 28.Rf3–+) 26.Be5 Ne5 27.f4 (27.Rce1 Qc7 28.Re3 d4–+) 27...Ng4 (27...Nd3 28.Rc3 Nf4 29.Rcf3 Ne2 30.Kf2 Rf3 31.Nf3–+) 28.Rce1 (28.h3 Ne3 29.Rf3 d4–+) 28...b5 29.Re8 (29.Kh1 Qb6 30.g3 Re6–+) 29...Kg7 30.Rfe1 Qb6 (30...Qb6 31.R1e3 Ne3–+) 0–1. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

9.0-0 Bd7 10.c4 dc4 11.Bc4 Rc8 12.Nc3 a6 13.Rc1 Na5 14.Bd3 Nc4 15.Bc4 Rc4 16.Ne5 Rc8 17.Qf3 Be5 18.de5 Bc6 19.Qg3 Ne4 20.Ne4 Be4 21.Rc8 Qc8 22.Rc1 Qd7 23.f3 Bc6 24.Bd4 Qd5 25.Qg5 Qb3 26.e4 Qa3 27.Bc5 Qd3 28.Bf8 Kf8 29.Kf2 a5 30.Qe3+/– Qb5 31.Qa3 Ke8 32.Rc5 Qb6 33.Qa5 Qb2 34.Kg3 Kd7 35.Qc3 Qe2? 36.Ra5 g5 37.Qd4 (37...Bd5 38.Qb4+–) 1–0. Wall,Bill – Raider, Internet, 2005.

9.0-0 Bd7 10.c4 dc4 11.Bc4 Rc8 12.Nbd2 Na5 13.Bd3 Nd5 (13...a6 14.Qe2=) 14.Ne4 Be7 15.Rc1 (15.Nc5 Be8=) 15...Rc1 (15...Qb6 16.Ne5 Qb2 17.Rb1=) 16.Qc1 Nc6 (16...Qb6 17.Nc5 Bb5 18.Qc2=) 17.Qb1 (17.Nc5 Qc7+/–) 17...h6 (17...f5 18.Nc5+=) 18.Rc1 Qb6 (18...Qc7 19.Qc2+=) 19.Nc5+/– Bc5 20.Rc5 Rc8 (20...f5 21.g3+/–) 21.Qc2 (21.g3 Nf6+/–) 21...Qd8 22.Bc1 (22.g3 b6 23.Rc4 f5+/–) 22...Na5 (22...f5 23.Bd2+/–) 23.Bd2 Rc5 24.Qc5 Nc6 25.e4 b6 26.Qd6 White prepares e5 26...Qc7 27.Qc7 Nc7 28.Bf4 Ne8 29.Bb5 Nf6= 30.e5 Nd5+= 31.Bc6 Bc6 32.Bd2 Bb5 33.Ne1= Kf8 34.f4 Ke7 35.Nc2 Kd7 36.Nb4 Ne7 37.Kf2 a5 38.Na2 Kc6 39.Nc3 Nf5 40.Be3 h5 41.g3 Bd3–/+ 42.Kf3 b5 43.Bg1? b4–+ 44.ab4 ab4 45.Na4 Bc2 46.Nb2 Kd5 47.Ke2 b3 48.Kd2 Nd4 49.Bd4? Kd4 50.h3 Ke4 51.Ke2 h4! 52.Kf2 hg3 53.Kg3 Ke3 54.Kg4 Kd2 55.Kf3 Kc1 56.Na4 b2 57.Nb2 Kb2 58.Kg4 Kc3 59.h4 Kd4 60.Kg5 Ke3 61.h5 Bf5 62.h6 gh6 63.Kh6 Kf4 64.Kg7 Bg6 0–1. Lieb,Alexander – Saide,Samer (1650), BEM–ch U18 Lehre, 2000.

9.0-0 Bd7 10.Nbd2 Rc8 11.c4 dc4 12.Nc4 Be7 13.Rc1 b5 14.Nce5 a6 15.Nc6 Bc6 16.Ne5 Be4 17.Be4 Ne4 18.f3 Nd6 19.Nc6 (19.Qb3 Rc1 20.Rc1 Bf6=) 19...Qd7 20.Ne7 Qe7 21.Qd2 Nc4 The isolani on a3 becomes a target 22.Qe2 Na3 23.Ra1 Rc2?? (better is 23...Nc4 24.Ra6 Qb4+=) 24.Qd1?? (better is 24.Ba3 Re2 25.Be7+–) 24…Rb2–+ (24...Rb2 25.Qc1 Qb4–+) 0–1. Fournier,Frederic (1775) – PATIPATI (1675), Active, 2011.

9.c4 dc4 10.Bc4 a6 11.0-0 Qc7 12.Nbd2 Ng4 13.h3 Nh2 14.Nh2 Bh2 15.Kh1 Bd6 16.Ne4 Be7 17.Rc1 Bd7 18.d5 ed5 19.Bd5 Rad8?? (better 19...Rfe8 20.Qd4 Nd4 21.Rc7 Bb5+-) 20.Rc6! Bc6 (20...bc6 21.Qd4 Combination; 20...Bc6 21.Qd4 Combination) 21.Qd4 Bf6 (21...Qe5 22.Qe5 Bf6 23.Nf6 Kh8 24.Qf5 g6 25.Ng4 f6 26.Qf6 Rf6 27.Bf6) 22.Nf6 Kh8 23.Qe4 g6 24.Qh4 h5 (24...Qh2 25.Kh2 h5 26.Nh5 Kg8 27.Nf6 Kg7 28.Qh7) 25.Nh5 Kg8 (25...Qe5 26.Be5 Kg8 27.Nf6 Kg7 28.Qh7) 26.Nf6 Kg7 27.Qh7 1-0. PEREIRA – Bambu, internet, 2022.

9.Nbd2 a6 10.0-0 b5 11.Re1 Na5 12.e4 de4 13.Ne4 Nc4 (13...Ne4 14.Be4 Rb8 15.a4=) 14.Bc1 (14.Nf6 Qf6 15.Bc4 bc4+=) 14...Bb7 15.Nd6 Qd6 16.c3 Rad8 (16...Qc7!?=) 17.Bc4 bc4 18.Ne5 Rc8 19.Qa4 Qd5 20.f3 h6 21.Be3 Qb5 22.Qb4 (22.Qb5 ab5 23.Reb1 Ba6+/-) 22...Qb4 23.ab4 Nd5 24.Bd2 Rfd8 25.h4 h5 26.f4 f6 27.Nf3 Nb6 (better 27...Kf7!?=) 28.Re6+/- Bf3? (better 28...Nd5!?+/-) 29.gf3 Nd5 30.Rea6 (30.Raa6?! Nc7+=) 30...Nb4 (30...f5 31.Re1+-) 31.cb4 c3 (31...Rd4 32.Be3 Rd3 33.Kf2+-) 32.Be3 c2 33.Rc1 Rc4 34.b5 Re8 35.Kf2 Rb8 (35...Rc3 36.Bd2 Rb3 37.Rc2 Rb5 38.Ra7+-) 36.b6 1-0. alessandrocarvalhaes (2010) - JJ1310 (2035), lichess.org, 2021.

9.Nbd2 b6 10.0-0 Bb7 11.Rc1 Rc8 12.c4 Na5 13.cd5 Nd5 14.Rc8 Qc8 15.Qb1 h6 16.Rc1 Qb8 17.h3 Rc8 18.Kf1 Rc1= 19.Qc1 Qc7 20.Nc4 Nc4 21.Qc4 Nf6 22.Qc7 Bc7 23.Nd2 Kf8 24.f3 Ke7 25.e4 Nh5 26.Bc4 (26.e5 Nf4 27.Be4 Be4 28.Ne4 Nd3=) ½–½. Mostowik – Sapierzynski, corr 1. AMM Poland, 1991.

9.Nbd2 Qb6 10.Ra2 Qa5 =.

9.Nbd2 Qc7 10.c4 +=. Serebriskiy – Stein, 1954.

9.Nbd2 Qc7 10.c4 b6 11.e4 (11.cd5 ed5 12.Rc1 Qb7+=) 11...de4 12.Ne4 Ne4 13.Be4 Bb7 14.Bh7?? (better is 14.Qc2 f5 15.Bd3+=) 14...Kh7–+ 15.Ng5 Kg6 16.f4? (better is 16.Ne4 f5 17.Nd6 Qd6 18.Qd3–+) 16...Bf4 17.Qd3 (17.Nh3 Kh7–+ (17...Bh2 18.Qg4 Kh7 19.Nf4=)) 17...Kg5 18.g3 (18.Rf1 Nd4! 19.Rf4 Qe5 20.Kd1 Qe2 21.Qe2 Ne2 22.Rf2–+) 18...Bd6 19.Qh7 (19.Rf1 f5–+) 19...f5 20.Qh4 Kg6 21.g4 Rh8 22.gf5 ef5 23.Qf2 Bh2 (23...Bh2 24.Rf1 Qe7 25.Kd2 Qg5 26.Kc2 Bg3–+) 0–1. Botta,Carlos Augusto – Giannini,Enio, TBI–C–XI–XII–P–0029, 1995. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.d4 Bd6 7.e3 0-0 8.Bd3 Nc6)

9.Nbd2 Bd7 10.c4 dc4 11.Nc4 Bc7 12.Rc1 Rc8 13.Bb1 a6 14.Qd3 g6 15.0-0 Ne7 16.Nce5 Bb5 17.Nc4 Ned5 18.Ba2 Nb6 19.Nfd2 Bb8 20.Qb3? (20.g3 Na4 21.Ba1 Qd5=) 20...Na4 (better 20...Ne4! 21.Ne4 Bc4 22.Rc4 Nc4-/+ (22...Rc4?! 23.g3=+)) 21.Ba1= Qc7 22.g3 Qe7 23.e4 Rfd8 24.Rfd1 Nd7 25.Qf3 Nab6 26.Nb6 Nb6 27.h4 h5 28.e5 (28.d5 e5+=) 28...Bc6 29.Ne4 Be4 30.Qe4 Rc1 (30...Qa3?? 31.Be6 fe6 32.Qg6 Kf8 33.Qf6 Ke8 34.Qe6 Kf8 35.Qb6+-) 31.Rc1 Kg7 (31...Qa3!? 32.Qb1 Kg7=) 32.Rc5 Nd5 33.Qf3 Ba7 34.Rc4 Nb6 35.Rb4 a5 (35...Nd5!? 36.Rb1 b5+=) 36.Rb5+/- Qd7? (36...Rc8 37.Bb2 a4 38.d5 Nd5 39.Bd5 ed5 40.Qd5+/-) 37.Qf6 Kg8 38.Ra5 Nc8? (better 38...Rc8 39.Bb2 Bb8+-) 39.d5+- ed5 (39...Qc7 40.Rb5 Kh7+-) 40.e6 (better 40.Rd5 Qd5 41.Bd5 Rd5 42.e6 Rd1 43.Kg2 Ra1 44.Qf7 Kh8 45.Qb7+-) 40...d4 (40...fe6 41.Qg6 Kf8+-) 41.ed7 Rd7 (41...Kh7 42.Rh5! gh5 43.Bb1 Kg8 44.Qd8 Kg7 45.Qg5 Kf8 46.dc8Q) 42.Re5 Nd6 (42...Re7 43.Bf7! Rf7 44.Re8 Rf8 45.Rf8 Kh7 46.Rh8) 43.Rd5 (43.Qg6 Kf8 44.Qh7 Nc4 45.Qh8) 43...Bb8 (43...Ne4 44.Qe5 Kh7 45.Rd7 Nd6 46.Bf7 Nf7 47.Rf7 Kg8 48.Qg7) 44.Qd4 (44.Bd4 Kf8 45.Qh8 Ke7 46.Re5) 44...Kf8 (44...f6 45.Rd6 Kf8 46.Qf6 Ke8 47.Re6 Re7 48.Qe7) 45.Qf6 (45.Qh8 Ke7 46.Re5) 45...Ne8 (45...Nc4 46.Rd7 Bg3 47.Qf7) 46.Qh8 (46.Rd7 Nf6 47.Bf6 Bc7 48.Rf7 Ke8 49.Rc7 b6 50.Be6 g5 51.Rc8) 46...Ke7+- 47.Re5! Be5 48.Qe5 Kf8 49.Kg2 (49.Bc3 Rd1 50.Kg2 Rd4 51.Qd4 b6 52.Qd7 Nd6 53.Qd6 Ke8 54.Bb4 g5 55.Qe7) 49...Nd6 50.Qc5 (50.Qh8 Ke7 51.Bf6) 50...Ke7+- 51.Be5 (51.Bd4 Kf8 52.Qe5 Rd8 53.Qh8 Ke7 54.Bf6 Kd7 55.Qd8 Kc6 56.Be5 Kb5 57.Qd6 f6 58.Bd4 g5 59.Bb3 gh4 60.Qb6) 51...f6 52.Bd6 (52.Bc3 b6 53.Qe3 Kd8 54.Qb6 Ke7 55.Qe3 Kd8 56.Bf6 Kc7 57.Qc5 Kb8 58.Be6 Rc7 59.Qd6 Ka7 60.Qc7 Ka6 61.Bc4) 52...Rd6 53.Qc7 Rd7 54.Qd6 (better 54.Qb6 Rd6 55.Qb7 Rd7 56.Qb4 Kd8 57.Qb6 Ke7+-) 54...Kd8?? (better 54...Kd6 55.Kf3 g5 56.hg5 fg5-+) 55.Qd7! Kd7 56.Bb1 Kc7 (56...g5+-) 57.Bg6 Kd6 58.Bh5 Ke5 59.Bf3 f5 (59...b6 60.g4 Ke6+-) 60.Bb7 f4 61.gf4 Kd6 62.h5 Kc7 63.h6 Kd6 64.h7 Kc7 65.h8Q Kb6 (65...Kb7 66.f5 Kc6 67.Qe5 Kd7 68.f6 Kc6 69.f7 Kb7 70.f8Q Kc6 71.Qc8 Kb6 72.Qec5) 66.Qe5 (66.Qb8 Kb5 67.Be4 Ka6 68.Qb4 Ka7 69.Qb7) 66...Ka7 (66...Kb7 67.f5 Kc8 68.f6 Kd7 69.f7 Kc6 70.f8Q Kb6 71.Qc8 Ka7 72.Qd4) 67.f5 (67.f5 Kb7 68.f6 Kc6 69.f7 Kb6 70.f8Q Kb7 71.Qed6 Ka7 72.Qfb8; 67.Be4 Ka6 68.Qd6 Kb5 69.Bd3 Ka4 70.Qb4) 1-0. norba94 (2225) - Hanni_Baal (2240), Rated Blitz game, lichess.org, 2015.

9.Nbd2 Qe7 10.0-0 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nf3 Qh5 15.Be2 Bg4 16.Qd4 Rfe8 17.h3 Bh3 (better 17...Be6!?=) 18.gh3+/- Qh3 19.Qh4 Qf5 (19...Qh4 20.Nh4 Rac8 21.Bb5+/-) 20.Nd4 Qg6 21.Kh1 (21.Kh2 Ne4+-) 21...Re4 (better 21...Qe4 22.Qe4 de4+/-) 22.Qg3 (22.Qh3 Ree8+-) 22...Qh6? (better 22...Qg3 23.fg3 Re3=) 23.Kg2+- Rae8? (better 23...Nh5 24.Bh5 Qh5+-) 24.Rh1 (24.Rh1 Qg6 25.Qg6 fg6 26.Rad1+-) 1-0. amirgloo (1905) - oldwhiteman (1970), lichess.org, 2020.

9.Nbd2 Re8 10.0-0 Qc7 11.c4 dc4 (11...Ng4 12.h3 Nf6 13.Qe2=) 12.Nc4+= Be7 13.Qc2 Qd8 (13...Bd7!?+=) 14.Nce5+/– Bd7 15.Nd7 Qd7 16.Ne5 Ne5 (16...Qd6!?+/–) 17.de5 Nd5 18.Bh7 Kf8 19.Be4 Rac8 20.Qd3 Red8 21.Rfd1 Rc5 22.Bd4 Rb5 (22...Ra5 23.Rd2+–) 23.a4 Ra5 24.Bd5 Rd5 25.Qh7 Ke8 (25...f6 26.f4+/–) 26.Qg8 (26.Qg7 Bf8 27.Qh8 Qc7+–) 26...Bf8+/– 27.h3 Re5?? (better is 27...b6+/–) 28.Be5+– Qd1 29.Rd1 Rd1 30.Kh2 (30.Kh2 Ke7 31.Bc3+–) 1–0. Fournier,Frederic (1650) – Dirlididi (1635), Partie evaluee, 3m + 0s, 2007.

9.Nbd2 Re8 10.0-0 Bd7 11.c4 dc4 (11...b6 12.Ne5=) 12.Nc4+= Bb8 13.Ncd2 (13.Rc1 Bc7+=) 13...Nd5 (13...e5 14.Qb1=) 14.Qe2 Qc7 (14...Qe7 15.Rfc1+=) 15.e4 (15.Rfc1 Rc8+=) 15...Nf4= 16.Qe3 Nd3 17.Qd3 a6 (17...Qf4 18.Rfc1=) 18.Rfe1 Ba7 (18...Qf4 19.d5 Ne5 20.Be5 Be5 21.Ne5 Qe5 22.Nc4+=) 19.Rac1 (19.d5 Nd8+/-) 19...Qb6 (19...Rac8!?+=) 20.Nc4+/- White intends e5 20...Qb5 (20...Qd8+/-) 21.Rb1?? (21.Qc3!? f6 22.Nd6+-) 21...Qh5 (21...Na5!? 22.Nfd2 Nc4 23.Nc4 Rec8+=) 22.Nd6+/- Reb8 23.Bc3 (23.d5 Nd8+/-) 23...b5 24.e5 (better 24.d5!? Nd8 25.Ne5+/-) 24...Ne7= 25.Re4 Nd5 (25...Nf5!? 26.Rf4 Nd6 27.ed6 Rb6=) 26.Bd2 Qg6 27.Qe2 b4?? (better 27...h6!?+=) 28.ab4?? (28.Nh4 Nc3 29.Qf3 Qe4 30.Qf7 Kh8 31.Ne4 Nb1+-) 28...Bb5?? (28...h6 29.Nh4 (29.Qa6?! Bb5 30.Qa3 Bc5 31.Qa8 Ra8 32.dc5 Bd3=) 29...Qh7 30.Qf3+/-) 29.Qd1 (better 29.Nb5 f5 30.Nd6 fe4 31.Nh4+-) 29...Bd3+/- 30.Nh4 Be4 31.Ng6 Bg6 32.Rc1 Bd4 33.Qe2 (better 33.Nc4!?+/-) 33...Nb4= 34.Bb4 Rb4 35.h3 (35.Qd2 Ra4 36.Nc4 Ra1 37.Ra1 Ba1=) 35...Rb2 (35...h6 36.Qd2 a5 37.Qf4=+) 36.Qc4 (36.Qa6! Rf8 37.Qa4 Be5 38.Nc4=) 36...Bf2-/+ 37.Kh1 (37.Kh2 Rbb8-/+) 37...h6 (better 37...h5-/+) 38.Rc2?? (better 38.Nc8 Kh7 39.Ne7=+) 38...Rc2-+ 39.Qf4 Bc5 (better 39...Rb8 40.Kh2 Rb1 41.Qf3 Bg1 42.Kg3-+) 40.Nb7 (40.Kh2 Bd6 41.ed6 Rd8-+) 40...Rc8 (40...a5 41.Nc5 Rc5 42.Qe3-+) 41.Nd6 (41.Nc5 R8c5 42.Qd4 Rd5-+) 41...Bd6 (41...Rb8!? 42.Kh2-+) 42.ed6 Rd8 43.Qa4 (43.Qd4 Rd7-+) 43...Rd2 (43...Rd6 44.Qg4-+) 44.Qa6 (44.d7 R8d7 45.Kh2 R7d4 46.Qa6 Be4-+) 44...R2d6 (better 44...Be4!? 45.Qc4 Bg2 46.Kg1 Bh3 47.d7-+) 45.Qa5 Rd5 46.Qa4 Rd4 47.Qa5 R4d5 48.Qe1?? (48.Qa4 Rd2 49.Kg1-+) 48...Rd1-+ 49.Qd1 Rd1 50.Kh2 Rd5 (50...Be4 51.Kg3-+) 51.h4 Kf8 52.g3 Ke7 (52...Rd2!? 53.Kg1-+) 53.Kg2 Kf6 54.Kf3 h5 55.g4 Bf5! 56.g5 (56.gf5 Rd3 Double attack (56...Rd3 Decoy)) 56...Ke7 (better 56...Kg6-+) 57.Kf4 g6 (57...Rd3 58.Ke5 Bg6 59.Kf4 Kd7 60.Ke5 Kd8 61.Kf4 Ke7 62.Ke5 f6 63.gf6 gf6 64.Kf4 e5) 58.Ke3 Rd4! 59.Kf3 (59.Kd4 f6 Combination) 59...Rh4 60.Kg3 Ra4 61.Kf3 (61.Kf2 h4 62.Ke2 h3 63.Ke3 h2 64.Kd2 h1Q 65.Ke3 Qg1 66.Ke2 Ra2 67.Kf3 Qf2) 61...Kd6 (61...h4 62.Ke3 h3 63.Kd2 h2 64.Ke2 Ra2 65.Ke3 e5 66.Kf3 h1Q 67.Ke3 Qe4) 62.Ke3 (62.Ke3 Re4 63.Kf3 Rg4 64.Kf2 h4 65.Ke2 h3 66.Kd2 h2 67.Kc3 h1Q 68.Kd2 Qh2 69.Ke3 Rg3 70.Kd4 Qh4; 62.Kg2 h4 63.Kf3 h3 64.Ke3 h2 65.Kf3 h1Q 66.Kf2 Qh2 67.Ke3 Ra3 68.Kd4 Qf4) 1-0. Dino_Jarach (1865) - Ragnofelice (1885), lichess.org, 2020.

8.0-0 b5 9.d3 Bb7 10.Nbd2 Nbd7 11.c4 bc4 12.dc4 Qe7 13.Qa4 A) 13...Bd6 14.cd5 Bd5 (14...Nd5 15.Ne4 Nc5 16.Nc5 Bc5 17.Rfd1 Rab8 18.Rab1 f6 19.Bd3 Bd6; 14...Nc5 15.Qh4 Bd5 16.Nc4 Nfe4 17.Nd6 Qd6 18.Ng5 Ng5 19.Qg5 f6) 15.Bf6 gf6 16.Ne4 Nc5 17.Nc5 Bc5 18.Rab1 Rab8 19.Qh4 Kh8; B) 13...Rfd8 14.Rab1 (14.cd5 Bd5 15.Rab1 Rab8 16.Bc3 h6 17.Rb8 Rb8 18.Qa6 Ba3 19.Ra1 Bd6; 14.Qa5 Bd6 15.Rab1 Nc5 16.Bd4 Rac8 17.Ne5 Nfe4 18.Ne4 de4 19.Qb6 Ba8) 14...Rab8 (14...Bd6 15.cd5 Bd5 16.Qh4 Rab8 17.Nc4 Ne4 18.Nd6 Qh4 19.Nh4 Nd6) 15.Qa5 Ne4 16.Rfd1 dc4 17.Nc4 Bd5 18.Bd4 f6 19.Rb8 Rb8; C) 13...Rab8 C1) 14.Rab1 Bd6 (14...Rfd8 15.cd5 Bd5 16.Bc3 Bd6 17.Rb8 Rb8 18.Rd1 Rc8 19.Bf6 Nf6) 15.cd5 Bd5 16.Bf6 gf6 17.Ba6 f5 18.Bc4 Bb7 19.g3 Rfd8; C2) 14.Rfd1 Rfc8 15.cd5 Bd5 16.Rab1 e5 17.Nc4 Qe6 18.Ba1 Rb1 19.Rb1 Be4; C3) 14.cd5 Bd5 15.Bc3 Rfc8 16.Rfb1 Bd6 17.Rb8 Rb8 18.Rd1 Nc5 19.Qh4 h6.

8.0-0 b5 9.d3 Bb7 10.Nbd2 Nbd7 11.c4 bc4 12.dc4 Qe7 13.Rb1 Rfc8 A) 14.Qa4 Bd6 (14...Bc6 15.Qa5 Rab8 16.Rfc1 Bb6 17.Qb4 Bc5 18.Qa5 dc4 19.h3 Qd8) 15.cd5 Bd5 16.Rfd1 h6 17.Nc4 Nc5 18.Qb4 Rcb8 19.Nb6 Be4; B) 14.cd5 Bd5 15.Qa4 Bd6 16.Rfd1 Rab8 17.Bf6 Nf6 18.Rb8 Bb8 19.Qa6 Bb7; C) 14.Re1 a5 (14...g6 15.h3 a5 16.Qc2 Rab8 17.Bd4 e5 18.Bc5 Qc5 19.Qc3 dc4; 14...Bd6 15.Bd4 Rc7 16.Bc3 Rb8 17.Qc2 h6 18.Red1 Ba3 19.h3 Bd6; 14...Rc7 15.Qa4 Bd6 16.cd5 Bd5 17.Nc4 Bc4 18.Bc4 Nb6 19.Bf6 Na4) 15.Qc2 Rab8 16.Bc3 Ba3 17.Ba5 Bd6 18.Rb2 Nc5 19.Reb1 e5; D) 14.Ne5 Ne5 15.Be5 Ba3 16.Bf6 gf6 17.cd5 Bd5 18.Bf3 Bd6 19.Bd5 ed5.

8.0-0 b5 9.d3 Bb7 10.Nbd2 Nbd7 11.c4 bc4 12.dc4 Qe7 13.Nb3 Bd6 (13...Ne4 14.Nfd2 (14.Rb1 Rab8 15.Nfd2 Rfd8 16.Ne4 de4 17.Nc5 Nc5 18.Qc2 Bc6 19.Bd4 Rb1) 14...dc4 (14...Rab8 15.Ne4 de4 16.Qc2 Bc6 17.a4 f5 18.Na5 Ba8 19.Nb3 Bb4; 14...Nd2 15.Qd2 Rad8 16.Nc5 Nc5 17.Qb4 a5 18.Qa5 Ra8 19.Qb4 dc4) 15.Bc4 Nd2 16.Qd2 Qg5 17.g3 Rfd8 18.f4 Qf5 19.Qc3 f6; 13...Rad8 14.Nc5 Nc5 15.Bd4 Nfe4 16.Qc2 f6 17.Rac1 Rc8 18.cd5 Bd5 19.Nd2 Nb3) 14.Na5 Rfb8 (14...Rab8 15.Nb7 Rb7 16.Rb1 Rfb8 17.Qc2 Ba3 18.Bd4 e5 19.Rb7 Rb7) 15.Nd4 (15.Rb1 Ne4 16.Nb7 Rb7 17.cd5 Rab8 18.Qd4 Ndf6 19.de6 Bc5) 15...Ne4 (15...Ne5 16.Nf3 Nc4 17.Bc4 dc4 18.Bf6 gf6 19.Nc4 Bc5) 16.h3 (16.Rb1 Qh4 (16...g6 17.cd5 Bd5 18.Ndc6 Qh4 19.f4 Bc5) 17.Nf3 (17.g3 Qg5 18.Nf3 Qg6 19.Ba1 Bc8) 17...Qh5+= (17...Qh6 18.Nb7 Rb7 19.cd5 Rab8) 18.Ne5 Qh6 19.Ng4 Qh4) 16...Ndf6 (16...Bc7 17.Nb7 Rb7 18.Qc2=+ (18.Rb1 Qd6 19.Nf3 Rab8) 18...Rc8 19.Rab1 Bd6; 16...Ne5 17.Rb1 Nc4 18.Nc4 dc4 19.Bc4 Rc8) 17.Qc2 (better 17.Nac6!? Bc6 18.Nc6= Qb7 19.Bf6 Qc6) 17...Qc7=+ 18.Nb7 (18.Ndb3 dc4 19.Nc4 Rd8) 18...Rb7 19.Bc1 (19.Rfc1 Bh2) 19...Rc8 20.c5 (better 20.Bd3!?–/+) 20...Nc5–+ 21.a4 Rbb8 22.Ba3 Nfe4 23.Rac1 Qa7 24.Bf3 Nf6 25.Be2 Bf8 26.Bf3 (26.Bc5!? Bc5 27.Nb3–/+) 26...Qd7–+ 27.Bd1 (27.Bc5 Rc5 28.Qa2–+) 27...Nb3 28.Nc6 Nc1 (28...Rb6!? 29.Ne7 Qe7 30.Be7 Rc2 31.Rc2 Be7 32.Rb2–/+) 29.Nb8 Qb7 30.Qb2 Qb8 31.Qb8 Rb8 32.Bc1 Ne4 33.Bc2 Nf6 34.Bd3 (34.Bd1 a5 35.Bc2–/+) 34...a5 35.Bb5 Bb4 36.Bb2 Rc8 37.Bf6 gf6 38.Rd1 Rc2 39.Kf1 f5 40.Kg1 Kg7 41.g3 Kf6 42.Kf1 Ke5 43.Rd4 Be7 44.Bd3 Ra2 45.Bb5 h6 46.Be8 Bc5 47.Rd1 f6 48.Bb5 Ke4 49.Bd3?? (better 49.Be8–/+) 49...Kf3–+ 50.Kg1 Rf2 (50...Rf2 51.Rf1 Ke3–+; 50...Ra4?! 51.Bf1 Ra3 52.Re1–+) 0–1. Skrzypczak,Michal (1985) – Gorski,Boguslaw (1805), L.K.S. Piast Srem Poland, 2010.

8.0-0 b5 9.d3 Bb7 10.Nbd2 Nbd7 11.c4 bc4 12.dc4 Qe7 13.Qc2 Rfc8 A) 14.a4 Rab8 (14...h6 15.Rab1 Rab8 16.Rfd1 e5 17.Qf5 Bd6 18.Ba1 a5 19.Rb5 Bc6; 14...a5 15.Rab1 Rab8 16.Bc3 Bb4 17.Ne5 Bc3 18.Qc3 Ne5 19.Qe5 Nd7; 14...dc4 15.Nc4 Rab8 16.Rfd1 Ne4 17.Rab1 Bd5 18.Nfd2 Nd2 19.Rd2 Bb4; 14...e5 15.Rab1 Bd6 16.Qf5 Rab8 17.Rfc1 Ne4 18.cd5 Rc1 19.Rc1 Nd2; 14...Bd6 15.Rab1 Nc5 16.Ne5 Nfd7 17.f4 f6 18.Nd7 Qd7 19.Rf3 Qe7) 15.Rab1 h6 16.Rfd1 e5 17.Qf5 Bd6 18.Rdc1 dc4 19.Rc4 Rd8; B) 14.h3 Rab8 (14...h6 15.cd5 Bd5 16.Rac1 Rc7 17.Qa4 Rb8 18.Rb1 Rcb7 19.Bf6 Nf6) 15.Rfd1 h6 16.a4 Bd6 17.Rab1 e5 18.Ba1 Qe8 19.a5 Qe7; C) 14.g3 Rab8 15.Rfd1 e5 16.a4 Bb4 17.Rac1 g6 18.Qb1 e4 19.Nd4 Nc5; D) 14.Rab1 Rab8 15.a4 h6 16.Rfd1 Bb4 17.h3 Qd6 18.Bc3 a5 19.Nd4 Qe7.

8.d4 Ba7 A) 9.0-0 Qb6 (9...Qc7 10.Nbd2 b5 11.a4 Bd7 12.ab5 ab5 13.Bd3 Nc6 14.Qe2=) 10.Bc3 Nc6 11.Bd3 Qc7 12.Nbd2 b5 13.Bb4 Rd8 14.Rb1=; B) 9.Bd3 b5 (9...Nc6 10.0-0 b5 11.Nbd2 Qd6 12.a4 b4 13.Rc1 Rb8 14.c4=) 10.0-0 Nc6 11.Nbd2 Qd6 12.a4 b4 13.Rc1 Rb8 14.c4=.

8.d4 Qb6 9.Qc1 (9.Ra2 Bd6 (9...Be7 10.c4 dc4 11.Bc4 Qc6 12.Bd3 b5 13.0-0 Bb7 14.Qe2=) 10.c4 dc4 11.Bc4 Qc6 12.Bd3 b5 13.0-0 Bb7 14.Qe2=) 9...Bd6 (9...Be7 10.c4 dc4 11.0-0 Qd8 12.a4 b6 13.Qc4 Bb7 14.Ba3=) 10.c4 dc4 (10...Be7 11.0-0 Nc6 12.Nbd2 Qc7 13.cd5 ed5 14.Qc2=) 11.Nbd2 Nc6 (11...Qd8 12.Nc4 Bc7 (12...Be7 13.Nce5= b5 14.a4=) 13.a4 b6 14.0-0=) 12.Nc4+= (worse is 12.Bc4 Qc7= 13.Bd3 b5 14.e4=) 12...Qc7 (12...Qd8 13.Nd6 Qd6 14.Qc5+=) 13.Nd6 Qd6 14.Bd3 (14.Qc5+=) 14...Nd5 15.0-0 b5 16.Nd2 Na5 17.Ne4 Qd8 18.Nc5 Nb6 19.Qc2 Rb8 (better is 19...Qh4!?+/–) 20.Bh7+– Kh8 21.Bd3 Qg5 22.a4 Nb7?? (better is 22...ba4 23.e4 e5+–) 23.Na6 (23.ab5?! ab5 24.Bb5 Nc5 25.Qc5 Qc5 26.dc5 Nd5+–) 23...Ra8 24.ab5 Nd6 (24...Nd5 25.Rfb1+–) 25.Qc5 Qc5 26.dc5 Nbc4 27.Nc7 Ra1 28.Ba1 (28.cd6 Rf1 29.Bf1 Nb2–/+) 28...Nd2 29.Rd1 N6c4 30.c6 Rd8 31.Be2 Na3 (31...e5 32.Bc3+–) 32.Bd4 Ndc4 (32...Nac4 33.Bc4 Rd4 34.ed4 Nc4 35.d5 ed5 36.Nd5+–) 33.Bg7! Kg7 34.Rd8 Nb6 35.Na8! Na8 36.Rc8 (36.Rc8 Nb6 37.Rb8 Nb5 38.Bb5+–) 1–0. pcmvr – mi (2290), net–chess.com, 2014.

8.d4 Bd6 9.0-0 Nc6 (9...Qc7 10.Bd3 Nc6 11.Nbd2 b5 12.a4 b4 13.c4 bc3 14.Bc3=) 10.c4 dc4 11.Bc4 b5 12.Bd3 Bb7 13.e4 Bf4 14.Nbd2=.

8.d4 Bd6 9.Nbd2 b5 10.a4 b4 11.c3 a5 12.cb4 ab4 13.0-0 Nbd7 14.Nb3 White prepares the advance a5 14...Ba6 (14...Ne4 15.a5=+) 15.Ba6= Ra6 16.Qd3 Qa8 17.a5 Ne4 18.Nfd2 Nef6 19.Rfb1 (19.Nf3 Rc8=) 19...Rc8 20.Rc1 Rc1 21.Rc1 h6 22.h3 Qb7 23.f3 Nb8 24.e4 de4 25.fe4 Be7 26.d5 ed5 27.Bf6 Bf6 (better 27...Rf6 28.ed5 Rd6=) 28.Nc5 (better 28.ed5!? Rd6 29.Ne4 Rd5 30.Nf6 gf6 31.Qf3+=) 28...Qa7=+ 29.ed5 (29.Ndb3 Bg5 30.Re1 Be7-/+) 29...Ra5 (29...Be7!? 30.Qe3 Ra5-+) 30.Ndb3=+ Ra3 31.Qc4? (31.Qf5!? Bc3 32.Qc8 Kh7 33.Kh1=+) 31...Nd7 (31...Rb3 32.Qb3 Bd4 33.Kh1 Bc5 34.d6-+) 32.Kh1? (better 32.Kf1 Nc5 33.Nc5-+) 32...Nc5 33.Nc5 b3?? (better 33...Rc3 34.Rc3 bc3-+) 34.Nb3= Qb8 35.Qc8 (35.Nc5 Be7=) 35...Qc8=+ 36.Rc8 Kh7 37.Nd2?? (better 37.Rb8=+) 37...Ra1-+ 38.Kh2 Be5 39.g3 Ra2 40.Kg2 Rd2 41.Kf3 Rd5 42.Ke4 (42.Ra8 Rc5 43.Ra3 Rc3 44.Rc3 Bc3-+) 42...Ra5 43.Rc7 (43.g4 Bf6-+) 43...f6 (better 43...Bc7 44.g4 Kg6-+) 44.Re7 (44.Rc4 Bg3 45.Rc3 Bd6-+) 44...Ra4 45.Kf5 Bg3 46.h4 (46.Rb7 Rf4 47.Ke6 Rh4-+) 46...Bh4 (better 46...Rf4 47.Ke6 Re4 48.Kf7 Re7 49.Ke7 f5-+) 47.Rb7 Ra5 48.Kg4 Bf2 49.Kh3 (49.Kf3 Bc5-+) 49...Rg5 50.Kh2 Bd4 51.Kh3 (51.Re7-+) 51...Be5 52.Kh4 Kg6 53.Ra7 f5 54.Ra6 Bf6 55.Kh3 f4 56.Ra4 (56.Rd6 Kf5 57.Rd5 Be5 58.Rd3 Ke4 59.Rd8 f3 60.Rf8 Bf6 61.Rb8 f2 62.Rb4 Bd4 63.Rb1 Rg1 64.Rf1 Rf1 65.Kh4 Rh1 66.Kg3 f1Q 67.Kg4 Qf4) 56...Kf5 57.Ra5 (57.Ra3 Ke4 58.Ra2 Rh5 59.Kg2 f3 60.Kg3 Be5 61.Kg4 Rg5 62.Kh4 f2 63.Ra3 f1Q 64.Re3 Kd5 65.Rd3 Bd4 66.Rd4 Kc5 67.Rg4 Qf2 68.Kh3 Rh5 69.Rh4 Rh4) 57...Be5 58.Kh4 (58.Ra8 f3 59.Rf8 Bf6 60.Rc8 f2 61.Rc5 Ke4 62.Rc4 Kf3 63.Rf4 Kf4 64.Kh4 f1R 65.Kh3 Rh1) 58...f3 59.Ra3 (59.Rd5 Rg1 60.Re5 Ke5 61.Kh3 f2 62.Kh2 Kf4 63.Kh3 f1N 64.Kh4 Rh1) 59...Ke4 (59...Rg3 60.Ra4 g5 61.Kh5 Rh3 62.Rh4 Rh4) 60.Ra4 (60.Ra2 f2! 61.Ra3 f1Q 62.Re3 Kd5 63.Rd3 Bd4 64.Rd4 Kc5 65.Rg4 Qf2 66.Kh3 Rh5 67.Rh4 Rh4) 60...Bd4 61.Ra2 (61.Rb4 f2 62.Rb1 Rg1 63.Rb6 f1Q 64.Re6 Kf5 65.Re8 g5 66.Kh5 Qh3) 61...f2 62.Ra4 (62.Re2 Kf3 63.Re7 f1R 64.Rf7 Bf6 65.Rf6 gf6 66.Kh3 Rh1) 62...Rg1 (62...f1R 63.Ra3 Rh1 64.Rh3 Bf2) 63.Ra1 (63.Ra8 f1Q 64.Re8 Be5 65.Re6 Rh1 66.Kg4 Qf3) 63...Ba1 64.Kh5 (64.Kh3 g5 65.Kh2 Be5 66.Kh3 f1Q) 64...f1Q (64...Kf3 65.Kh4 Rh1) 65.Kh4 Qf4 66.Kh5 (66.Kh3 Qg3) 66…Qg5 (66...g6) 0-1. carlos78 (2260) - weallknow (2025), Rated Blitz game, lichess.org, 2015.

8.d4 Bd6 9.Ne5 Ne4 (9...Qb6 10.Ra2 Nc6 11.c4 Ne4 12.0-0 Qc7 13.f3 Nf6 14.f4=) 10.Nd2 Qa5 11.Bd3 b5 12.Be4 de4 13.Qh5 f5 14.a4=.

8.d4 Be7 A) 9.0-0 Nc6 (9...Qb6 10.Qc1 Qd6 11.a4 Qc7 12.c4 Nc6 13.Ba3 Ba3 14.Ra3=) 10.c4 dc4 11.Bc4 b5 12.Bd3 Bb7 13.Qe2 Rc8 14.Rc1=; B) 9.a4 Bb4 (9...Qa5 10.Nbd2 Bd7 11.0-0 Rc8 12.c4 Bb4 13.Bd3 Nc6 14.c5=) 10.Nbd2 Ne4 11.c4 Qa5 12.Ba3 Ba3 13.Ra3 Nc3 14.Qb3=.

8.0-0 Bb7 9.c4 dc4 10.Bc4 Qe7 11.d4 Bd6 12.Nbd2 Nbd7 13.Qe2 Rfc8 (13...Rac8 14.Rfc1=) ½–½. Milde,Lars – Woelfelschneider,Peter, ETC, 2004.

8.0-0 Nc6 9.d4 Be7 10.Nbd2 =.

8.d3 Nc6 9.Nbd2 d4 10.e4 (10.ed4 Nd4 11.Nd4 Bd4=) 10...e5+= 11.h3 b5 (11...Be6–/+) 12.g4 (12.0-0 Bd7+=) 12...b4 (12...Be6!?–+) 13.Nc4 Qe7 14.a4 (14.0-0 ba3 15.Ba3 Be6 16.Bc5 Qc5+=) 14...Ba6–/+ 15.Nfd2 Qc7 16.0-0 Na5 (16...h6!?–/+) 17.Na5+= Qa5 18.Nb3 Qc7 19.Nc5 Qc5 20.Qd2 Rac8 21.Rfc1 Rc6 22.Kg2 Rfc8 23.Bd1 (23.g5 Nd7+=) 23...Qe7 (23...Nd7 24.Rcb1–/+) 24.Qe2 (better is 24.f4!?+=) 24...Nd7–/+ 25.Kg3? (better is 25.Rcb1!?–/+) 25...Rh6–+ 26.Qf3 Rcc6 (better is 26...Nc5 27.Rcb1 b3–+) 27.Kg2? (better is 27.Kh2–+) 27...Qg5 (better is 27...Nf8 28.Qg3 Ng6–+) 28.Rcb1= Qe7 29.Qg3 (29.Bc1 Rhf6 30.Bg5 Nc5= (30...Rf3? 31.Be7 Rf4 32.Bg5+–)) 29...Bc8 30.a5 Nc5 31.Bc1 Rhe6 32.Bd2 (32.Rb4? Ne4 33.de4 Qb4–+) 32...Na6 33.Ra4 f6 (33...Qc5 34.Raa1+=) 34.f3 (34.Bb4 Nb4 35.Rab4 Qd6=) 34...Qc7 35.Qe1 Rc5 Exerts pressure on the isolated pawn 36.Ra2 (36.Bb4 Nb4 (worse is 36...Rc2 37.Bd2 Rcc6 38.Bb3+/–) 37.Qb4 Re8= (worse is 37...Rc2 38.Kg3+–)) 36...Ra5+= 37.Rab2 (37.Ra5 Qa5 38.Bb4 Nb4 39.Qb4 Qb4 40.Rb4 Rb6+=) 37...Rb5 (37...Rb6 38.Bb4 Nb4 39.Rb4–/+) 38.Bb4+= Nb4 39.Rb4 Rb4 40.Rb4 Rc6 41.Rb1 a5 42.Qd2 Rc3–+ 43.Qc1 a4 44.Qb2 Be6 45.Qb5–/+ Qc6 46.Qc6 Rc6 47.Ra1 Ra6 48.Ra3 Bd7 49.Kf2 g6 50.h4 f5 51.g5 fe4 52.de4 Ra8 53.Be2? Rc8–+ 54.Bd3 Rc3 55.Rc3? dc3 56.Bc4 Kf8 57.Ke2 a3 58.Kd1 Bb5! 59.Bd5 Kg7?? 60.Kc1= Be2 61.Kb1 Bd1 62.Kc1 Bf3 63.Kb1 h6 64.Ka2 Bd1 65.Bb3 hg5 66.hg5 Bf3 67.Bd5 Bd1 68.Ka3 Bc2 69.Kb4 Kf8 70.Kc3 Bd1 71.Kc4 Ke7 72.Kc5 Bc2 73.Bb7 Bb3 74.Ba6 Ba2 75.Bb5 Bb3 76.Bc6 Ba2 77.Bd5 Bb1 78.Kb6 Bd3 79.Kc7 Bb1 80.Ba8 Bd3 ½–½. Woloszyn,Piotr (1845) – Traczyk,Pawel (1850), ch–City Poland, 2007.

9.Ba6 Na6 10.Qe2 Nb8 11.c4 dc4 12.Qc4 Qd5 (12...Nbd7 13.Nc3=) 13.Qe2 Nbd7 14.Nc3 Qb7 15.d4 Be7 16.e4 Rac8 17.Rad1 (17.Rfd1 Rfd8=) 17...Rfd8 (17...a6 18.d5+=) 18.Rd3 (18.Rc1 a6=) 18...Qa6 Attacks the isolani on a3 19.Rfd1 (better 19.Re1=) 19...Rc7 (19...Ba3 20.e5 Ng4 21.Ne1 Bb2 22.Qb2=+) 20.h3 (better 20.d5!? ed5 21.e5 Rc3 22.Bc3+=) 20...Rdc8= 21.Qe3 Qa5 (worse 21...Ba3 22.Ba3 Qa3 23.Nb5+/-) 22.d5 ed5 (22...Ba3 23.Ra1 Bc5 24.Qd2=) 23.e5 Ne8 (23...Ba3 24.ef6 Nf6+-) 24.Nd5+/- Bc5 (24...Nc5 25.Bc3 (25.Ne7?! Re7 26.R3d2 Rec7+=) 25...Qa3 26.Bb4+/-) 25.Qg5 Rc6 (25...Rb7 26.Qf5 g6 27.Qg4+-) 26.Qg4 (26.Nd4 Nb8 27.Nb3 Qb5 28.Nc5 Rc5 29.Ne7 Kf8 30.Nc8 Rc8+-) 26...Nf8 (26...Qb5 27.Qd7 Qb2+-) 27.Nf6?? (better 27.Nd4+-) 27...Nf6+= 28.ef6 g6 29.Ne5 R6c7 30.Qh4 h5 31.Qg3 Kh7 32.Nf3 Ne6 33.Rd7 (33.Be5!? Rc6 34.Nh4+=) 33...Rd7= (33...Ba3?? 34.Ba3 Qc3 35.Rc7 Rc7 36.Re1+-) 34.Rd7 Rf8? (better 34...Kg8=) 35.Ne5+- Nd8?? (35...Qe1 36.Kh2 Qb1 37.Nf7 Rf7 38.Rf7 Kh6+-) 36.Qg6 (36.Qg6 Kh8 37.Qg7) 1-0. Ehlvest,Jaan (2515) - Rama,Tejas (2130), Titled Tuesday, 2021.

9.Ba6 Na6 10.Qe2 Nc7 =.

9.Nc3 Be2 10.Ne2 Nc6 11.Ng3 Rc8 12.Ng5 Na5 13.d3 h6 14.Nf3 Qe7 15.Qe2 Rc7 (15...Bd6 16.Ra2=+) 16.Ne5 (16.e4 de4 17.Ne4 Ne4 18.Qe4 Bd6=) 16...Rfc8 17.f4 Bd6 18.Rfc1 Qe8 19.Nf3 Be7 20.Be5 (20.f5 Qa4 21.fe6 fe6=) 20...Nb3–/+ 21.Bc7 Nc1 22.Rc1 Rc7 23.f5 (23.Ra1 Qb5 24.Nd4 Qb2=+) 23...Ba3 24.Ra1 Bd6 25.fe6 fe6 26.e4 (26.Nf1 e5–+) 26...Bg3–+ 27.hg3 de4 28.de4 Qc8 29.Ra2 Qb7 30.e5 Ne4 31.Qd3 Qd5 32.Ra3 Qd3 33.cd3 (33.Rd3? Rc2 34.g4 Nc5–+) 33...Ng3 34.Nd4 Kf7 35.Nb5 Rc1 36.Kf2 Nh1 37.Kf3 Rf1 38.Ke3 a5 39.Nd6 Kg6 40.Rb3 Ng3 41.Rb6 Nf5 42.Ke2 Ra1 43.g4 Nd4 44.Ke3 Nc2 45.Kd2 Nb4 46.Nc4 Ra2 47.Kd1 (47.Kc3 Nd5 48.Kb3 Nb6 49.Ka2 Nc4 50.dc4–+) 47...Nd3 48.Re6 Kf7 (48...Kg5!? 49.Ra6 Ra4 50.Kc2–+) 49.Ra6 Nf2 50.Ke1 Ng4 51.e6 Ke8?? (51...Kf6 52.Na5 Ra3 53.e7 Kf7 54.Re6 Re3 55.Re3 Ne3 56.Kf2–+) 52.Na5?? (52.Ra7 Ra1 53.Ke2 Ra2 54.Kf3 Nh2 55.Ke4 Re2 56.Kd5+–) 52...Rc2?? (better 52...Ne5–+) 53.Nc6= Rc6 54.Rc6 Ke7 55.Rc7 Ke6 56.Rg7 Kf5 57.Ke2 Kf4 58.Rh7 Kg3 59.Rh8 Kf4 60.Kf1 Kg3 61.Kg1 Kf3 62.Ra8 Kf4 63.Kg2 Kf5 64.Kg3 h5 (64...Nf6 65.Rf8=) 65.Kh4 (65.Ra5 Ne5+=) 65...Nf6= 66.Ra5 Kg6 (66...Kf4 67.Rc5+=) 67.Kg3+= Kf7 68.Kf4 Kg6 69.Rg5 Kf7 70.Kf5 h4 71.Rg6 Ne4 (71...Ng8 72.Rd6+=) 72.Rh6+– (72.Ke4?! Kg6 73.Kf4 h3=) 72...Ng3 73.Kg4 Ne4 74.Rh4 Ke6 75.Kf3 Nf6 76.Ra4 Nd5 77.Ra7 Ke5 78.Ra6 Nb4 79.Ra5 Kd4 80.Ra4 Kc5 81.Ke4 Nc6 82.Ra1 Kd6 83.Rd1 Ke6 84.Rd5 Ne7 85.Rh5 Kf6 86.Ra5 Ke6 87.Ra6 Kd7 88.Ke5 Nc6 89.Ke4 Kd6 (89...Ne7!?=) 90.Rc6 (90.Ra8!?+–) 90…Kc6= ½–½. Haubro,Sigfred (2175) – Rodsmoen,Maud (1945), 10th Sveins Memorial, 2017.

9.d4 Bd6 10.Nbd2 =+.

9.d4 Be2 10.Qe2= Be7 11.Nbd2 Nc6 12.Rac1 Na5 13.c4 Rc8 14.cd5 Qd5 (15.e4 Qa2=). Karpoff,Kari – Erler,Ekkehard, CiF, 1984.

9.c4 Bb7 10.cd5 Bd5 11.Nc3 Bc6 12.d4 Be7 13.Rc1 Rc8 14.Qd3 Bf3 15.Bf3 Ne5 16.Qe2 Nf3 17.Qf3 Qd7 18.Rfd1 Nd5 19.e4 Nc3 20.Rc3 Rc3 21.Qc3 Rc8 22.Qb3 Bf6 23.e5 Be7 24.d5 ed5 25.Rd5 Qf5 26.Bc3?? (better is 26.Rd3=). Lahuppe,L – Fournier,J, Nantes, 1993.

9.d3 Bb7 10.Nbd2 Rc8 11.Rc1 Qe7 =+.

9.d3 Bb7 10.Nbd2 Rc8 11.c4 dc4 12.Nc4 b5 13.Ncd2 a6 14.Nb3 Be7 (14...Bd6 15.a4+= (15.Qd2 Qe7 16.Na5 Ba8 17.Nd4 Nc5 18.Rac1 Qd7 19.f4; 15.e4 e5 16.Qd2 Qe7 17.Na5 Ba8 18.Rfc1 Nc5 19.Bd1) 15...b4 16.h3 Nd5 17.Qd2 Nc3 18.Bc3 Rc3 19.Nbd4; 14...Bb6 15.e4 (15.Rc1 Rc1 16.Qc1 Qe7 17.Qd2 Rc8 18.Rc1 Rc1 19.Qc1) 15...Qe7 16.Qd2 e5 17.Rac1 Rc1 18.Rc1 Ng4 19.Rf1) 15.Qd2 (15.e4 Nc5 16.Bd4 Nfd7 17.Rc1 f5 18.Nc5 Nc5 19.Bc5) 15...Nc5 (15...Bd5 16.Nbd4= (16.Na5 Nc5 17.Bd4 Nb7 18.Nb7 Bb7 19.h3) 16...Nc5 17.e4 Bb7 18.Rac1 h6 19.Rfd1; 15...Bd6 16.Rfc1 Qe7 17.Na5 Ba8 18.Nd4 Nc5 19.e4) 16.Nc5= Bc5 17.Rfc1 Qe7 (17...h6 18.h3 Re8 19.Be5) 18.e4 (18.h3 Rfd8 19.Ne5) 18...Rfd8 19.Qg5 h6 20.Qh4 Nd7 21.Qg3 f6 22.d4 Bd6 23.e5 fe5 24.de5 Bc5 (24...Rc1 25.Rc1 Ba3 26.Ba3 Qa3 27.Rd1–/+) 25.Nh4 (25.a4 b4=) 25...Nf8 (25...Nb6 26.Bc3+=) 26.Rd1= Rd1 27.Bd1 Be4 28.Bb3 Rd8+= 29.Qf4 Bh7 30.Nf3= Qa7 31.Rf1 Bd3–/+ 32.Qd2 Bb6 33.Rd1 Bc4 34.Qe2?? Rd1 35.Qd1–/+ Bf2 36.Kh1 Bb3 37.Qb3 ½–½. Valenta,Vit jr (2190) – Rakay,Kvetoslav (2100), Open, Stare Mesto CZE, 2006.

9.d3 Bb7 10.Nbd2 Rc8 11.c4 dc4 12.Nc4 b5 13.Nce5 Bd6 14.a4 b4 15.a5 Nd5 16.Nc4= Bb8 17.Qd2 Nc5 18.Bd1 f6 19.Bc2 Qc7–/+ 20.Rfc1 Nc3 21.Bc3= bc3 22.Qc3 Bf3 23.gf3 Qh2 24.Kf1 Nd7 25.Qb4 Rc6 26.Ke2 Bg3 27.Rf1 Rfc8 (28.Ba4 R6c7=). Ngo Quang Dung – Nguyen Minh Tang, Hanoi, 1995.

9.d3 Bb7 10.Nbd2 Rc8 11.h3 Qe7 12.Nb3 Bd6 13.Qd2 Rfd8 14.Rfe1 Bb8 15.Qd1 h6 16.Nfd2 Nh7 17.Bf1 Qg5 18.Rc1 Qg6 19.Qg4 Qg4 20.hg4 Nhf6 21.Be2 Ne5 22.f3 Kf8 23.Kf2 Ke7 24.Red1 Bd6 25.c4 dc4 26.Nc4 Nc4 27.dc4 e5 28.Rd2 Ne8 29.Rcd1 f6 30.Ke1 Bc6–/+ 31.Rc1 Ba4 32.Rc3 Rc6 33.Rcd3 Rcc8 34.Na1 Nc7–/+ 35.Bd1 Bd1 36.Rd1 Ne6 37.Rc3 Nc5 38.Nc2 Na4–+ 39.Rb3 Rc4 40.Nb4 Bb4 41.ab4 Rc2 42.Rd8 Kd8 43.Rd3 Kc7 44.Ba3 b5 45.Rd5? Rc3 (46.Kd2 Ra3 47.Rb5 Ra2 48.Kd3 e4 49.fe4 Rg2–+) 0–1. Emberger,R – Erlacher,M, Graz, 2002.

8.Nc3 Qb2 (better is 8...Bd7!? 9.Rb1 Qc7=) 9.Na4+/– Qa1 10.Qa1 Bd6 11.0-0 a6 (11...Nc6 12.d4+/–) 12.Nb6 Ra7 13.Qd4 (13.c4 Nbd7 14.Nd7 Nd7 15.cd5 ed5+/–) 13...Nc6 14.Qd3 e5 (better is 14...Rd8!?+/–) 15.Nd5+– Nd5 16.Ng5 (16.Qd5 Ba3 17.Ne5 Be6+–) 16...Nf6 17.Qd6 h6 18.Nf7 Kf7 19.Bc4 Ke8 20.d4 e4 21.Bb3 Bd7 22.c4 Ra8+/– 23.c5 Rc8 24.Rb1 Na5? 25.Ba2+– Rc6 26.Qe5 Kd8 27.d5 Rc5 28.Qd6 Rf7 29.Qc5 Ng4 30.d6 Nc6 31.Bf7 (31...Ne3 32.Qb6 Kc8 33.Qc7) 1–0. pierre – pedro666, internet, 2007.

8.Bf6 gf6 9.Nc3 d4 10.Rb1 Qd6 (10...Qd8 11.Nd4 Ba3 12.Bd3+/-) 11.Ne4 Qd5?? (better 11...Qe7 12.Nc5 Qc5 13.Nd4 e5+/-) 12.Nf6+- (12.Nf6 Kh8 13.Nd5 ed5 14.Nd4+-) 1-0. Akrapovik (1605) – creakyPawn, lichess.org, 2020.

8.Bf6 gf6 9.c4 d4 10.ed4 Bd4 11.Nd4 Qd4=.

8.0-0 b6 (--> 6.Nf3 Nc6 7.Be2 0-0 8.0-0 b6).

8.0-0 Qc7 9.d4 Bd6 10.Nbd2. hertford (1865) – Chesstosterone (2225), ChessWorld.net, 2003.

8.0-0 d4 9.Qc1 Qb6 10.a4 Rd8 11.Na3 de3 12.fe3 Nd5 13.Nc4 Qc7 14.Ng5 f6 15.Ne4 Be7 16.Rf3 e5 17.Rg3 Be6 18.Ba3 b6 19.Qf1 Kh8 20.Bd3 Ndb4 21.Be2 Nc2 22.Be7 Qe7 23.Rc1 N2b4 24.Nb2 Na5 25.h4? Nb3–+ 26.Rd1 Rac8 27.Bh5? Rc2 28.Rf3 Rb2 29.Nf6 Rf8 30.Nd5 Rf3 31.Bf3 Bd5 32.Bd5 Nd5 33.Qc4 Qc5 34.Rf1 g6 35.Qa6 Kg7 36.Qa7 Nc7 37.Qa8 Na8 (38.Kh1 Nd2–+) 0–1. Eckhoff,Karlheinz (1770) – Spirk,Stefan (2245), Raika op 7th, 1998.

8.0-0 d4 9.ed4 Nd4 10.Nc3 b6 11.Nd4 Qd4 12.Bf3 Ba6 13.d3 Rac8 14.Qc1 Qh4 15.g3 Qh3 16.Qf4 Bb7 17.Ne4 Ne4 18.Be4 Be4 19.Qe4 Rfd8 20.Qb7 b5 21.Qb5= Bf8 22.Qa4 Rd5 23.f3 Bc5 24.d4 Bb6 25.c3 h5 26.Rae1 h4 27.g4 Bc7 28.Re2 Bb6 29.Qa6 Rcd8 30.Qd3 Rb8 31.c4 Rd7 32.Qe3 Rdb7 33.Qe4 Bd8 34.Bc1 Rb1 35.Rfe1 R1b3 36.Rf2 Ba5 37.Rd1 Bc7 38.Qc6 Rc8 39.Qd7+– Rbb8 40.c5 a6 41.Bg5 a5 42.a4 Kf8 43.d5 ed5 44.Qd5 Kg8 45.Be7 Bf4 46.Qd4 Rb4+= 47.Qd3 Re8 48.c6 Rbb8 49.Bc5 Re6 50.Qa6 Bc7 51.Rdf1 Be5 52.Rc2 Rbe8 53.Qa5 Rc6 54.Ra2+= Bc7 55.Qb5 Rce6 56.a5 Re1= 57.Rg2 Ba5 58.Bf2 R1e5 59.Qd3 Rd8 60.Qb3 Bc7 61.Qc3 Re7 62.Bc5 Re6 63.Qc2 Rde8 64.Qd3 Re1 65.Ra2 Bb8 66.Rb2 Bf4 67.Ra2 g6 68.Raf2 R8e4 69.Qa6 Re6 70.Qd3 g5 71.Ra2 Re8 72.Bd4 R1e6 73.Qc4 Rd8–+ 74.Ba7? Red6 75.Rg2 Rd2 76.Bf2 Qf3 77.h3 Rd1 78.Be1 Qe3 79.Rgf2 Re1 80.Re1 Qe1 (81.Qf1 Qe3–+) 0–1. Pierred (2240) – Socrates (2430), Rated game, 5m + 0s, 2005.

8.0-0 d4 9.ed4 Nd4 10.Bd4 Bd4 11.Nd4 Qd4 12.c3 Qd6 13.d4 e5 14.Qd3 Re8 15.Nd2 ed4 16.cd4 Bf5 17.Qf5 Re2 18.Nf3 Rae8 19.Rfc1 Qd8 20.h3 Ne4 21.Re1 Nc3 22.Kf1 g6 23.Qd3 Re1 24.Re1 Re1 25.Ne1 Nd5 26.Qb5 Nf6 27.Qe5 Qb6 28.Kg1+= Kg7 29.g4 h6 30.f4 Kh7 31.Kh2 Qc6 32.g5 hg5 33.fg5+= Ne4 34.d5 Qc4 35.d6 Qe2 36.Ng2 Qd3 37.d7 Nd2 38.Qe8 Nf3 39.Kg3 Ng5 40.Ne3 Qd6 41.Kg2 Qd2 42.Kf1 Qd3 43.Kg1 Qd2 44.Ng2 Qd4 (44...Qd1 45.Ne1 Qd4 46.Kf1 Qf6 47.Ke2=) ½–½. pereira – tonyalme, internet, 2007.

8.0-0 d4 9.ed4 Nd4 10.Nd4 Bd4 11.c3 Bb6 12.d4= Bd7 13.Nd2 Rc8 14.Re1 Bc6 15.Nc4 Bd5 16.Ne5 Ba5 17.Qd3 Qb6–/+ 18.Rab1 Be4 19.Nd7=+ Bd3 20.Nb6 ab6 21.Bd3 Bc3 22.Red1 Nd5 23.g3 f5 24.Be2 Bb2 25.Rb2 Rc3 26.a4 Rfc8 27.Rdd2 Ra3 28.Bb5 Kf7–/+ 29.Re2 Rc7 30.Re1 Nc3–/+ 31.Rb4 Nd5 32.Rb2=+ Rac3 33.Rbe2= Re7 34.Re5 Kf6 35.Bf1 Nc7 36.Bg2 Rd3 37.Bb7 Rd4 38.Bc6 Rc4 39.Bb5 Rb4 40.Bc6 g5 41.Kg2 Rg7 42.a5 ba5 43.Ra5 Rc4 44.Bb7 Rd7 45.Rae5 Rd6 46.Kf1 Rc2 47.R5e2 Re2 48.Re2 Rb6 49.Bf3 Rb1 50.Kg2 Rc1 51.Rd2–/+ Ke7 52.Bb7 Nb5 53.Ba6 Nd6 54.Bd3 Rc3 55.Bb1 Ra3 56.Rb2 Ra5 57.Rb8 Rb5 58.Rb5 Nb5 59.Kf3 h6 60.h3 Kd6 61.Ke3 Kc5 62.Ba2 e5 63.Be6 Nd6 64.f3 Kb5 65.f4 ef4 66.gf4= Kc5 67.fg5 hg5 68.Bf5?? Nf5–+ 69.Kf3 Nh6 70.Ke4 Kd6 (71.Kd4 Nf5 72.Ke4 Nh4–+) 0–1. Le Phi Long – Nguyen Ngoc Nam, VIE–chT Vung Tau, 2000.

8.0-0 Bd6 (--> 6.Nf3 Nc6 7.Be2 0-0 8.0-0 Bd6).

8.0-0 Bd7 (--> 6.Nf3 Nc6 7.Be2 0-0 8.0-0 Bd7).

8.0-0 Ne4 9.d3 Nd6 10.Nbd2 b5 11.a4 b4 12.Ne5 Ne5 13.Be5 a5 14.Bb2 Qe7 15.Nb3 Nf5 16.Nc5 Qc5 17.Qd2 Bd7 18.Rfc1 d4 19.ed4 Nd4 20.Bd1 Bc6 21.Qe3 Ne2? 22.Be2 1–0. Wiezer – Geisensetter, corr DDR–H–224.

8.Nc3 a6 9.0-0 Bd6 10.Ra2 Qc7 11.Ra1 e5–/+ 12.Kh1 d4 13.ed4=+ Nd4 14.Nd4 ed4 15.Na2 Bf5 16.Bd4 Ba3 17.Nc3= Be7 18.f4 Qd7 19.Be5 Ng4 20.Bf3 Bh4 21.Ne4 Be4 22.Bg4 Qc6 23.Bf3 Bf3 24.Rf3 Rfd8 25.Rc3 Qg6 26.d4 Rac8 27.Qf3 Rc3 28.Qc3 Qe4 29.Qh3 Be7 30.Qb3 Kf8 31.c3 f6 32.Bc7 Rc8 33.Qb6 Qd5=+ 34.f5 Qd7 35.Bg3 Rc3–/+ 36.Rb1 Qd5 37.Qb2 Rc4 38.Qe2 Rd4–+ 39.Re1 Qd7 40.Qh5 Bb4 41.Rb1 b5 42.Be1 Be1 43.Re1 h6 44.Qf3 Rd5 45.Rf1 a5 46.Kg1 a4 47.Kh1 b4 (48.Qg4 Qb5–+) 0–1. marekt (2305) – MoonShot (2875), ICC, 2003.

9.c4 e5 10.d4 ed4 11.cd5 Nd5 12.Nd4 Qb6 13.Nb3 Be3 14.Qd5 Be6 15.Qh5 Bb3 16.fe3 Qe3 17.Rf2 Nd4 18.Bd4 Qd4 19.Qf3 Qa1 20.Qb3 Re7 21.Bc4 Re1 22.Bf1 Rf8 23.Nd2 b6 24.g3 Re7 25.Kg2 Qd4 26.Bc4 Qc5 27.Nf3 Re3 28.Qb4 Ra3 29.Qc5 bc5 30.Ne5 Rc3 31.Bf7 Kh8 32.Ra2 Re3 33.Nc4 Re4 34.Ra7 Re2 35.Kh3 g5 36.Nd6 Re5 37.Kg4 Rb8 38.Bc4 Re1 39.Kg5 Rh1 40.h4 Rf8 41.Rc7 Ra1 42.h5 Ra3 43.g4 Rc3 44.h6 Rg3 45.Kh4 Rc3 46.Be6 Rf1 47.Nf7 Kg8 48.Ng5 Rf7 49.Rc8 1–0. Casner – Mont Reynaud, 1992.

9.d4= Bd6 10.c4 a6 11.Nbd2 Ne4 (11...Rb8 12.Rc1=) 12.Ne4+= de4 13.Nd2 f5 (13...b6 14.Qc2 Qc7 15.Ne4 Bh2 16.Kh1+=) 14.Qc2 (14.c5 Bc7+/–) 14...Bd7 15.Rfd1 Rc8 16.c5 Bb8 17.Nc4+/– Na5 18.Bc3 Nc4= 19.Bc4 Qc7 20.g3 Bc6 21.Qb3 Qf7 22.Rab1 Rcd8 23.Ba5 Rd7 24.Rb2 g5 25.Rbd2 Bd5 26.Bd5 ed5= 27.Rb2 f4 28.Rdb1 fg3 29.hg3 Rf8 30.Qd1 h5 31.Qe2 g4?? 32.c6!+– Bg3 33.cd7 (33…Bh4 34.Rb7 Qf2 35.Qf2 Bf2 36.Kg2+–; 33.fg3?! bc6 34.Rb6 Qf6+–) 1–0. Lueders,Horst – Lampe,Helmut, GER–chT Seniors, 1996.

9.d4 Bd6 10.c4 b6 11.Nc3 Bb7 12.cd5 ed5 13.Bd3 g6 14.Nb5 Bf8 15.Rc1 Rc8 16.Nc3 Ne4 17.Qb3 Na5 18.Qa2 Nc3 19.Rc3 Nc4 20.Rfc1 b5 21.Ne5 Qe7 22.a4 a6 23.Bf1 Ne5 24.de5+= Rc3 25.Bc3 b4 26.Bd4 Qd7 27.a5 Rc8 28.Rd1 Qf5 29.Qa1 Rc2 30.f3 Qg5 31.Qa4 Rc8 32.Bd3 Qe7 33.Qa2 Qe6 34.f4 Qg4 35.Rf1 Qh4 36.Qe2+/– Rc6 37.Bb6 b3 38.Qb2 (38...Rb6 39.ab6+/–; < 38.Ba6 Rc2 39.Qc2 bc2 40.Bb7 Qg4–+) 1–0. von Saleski,Marcel – Ohnmacht,Rolf, DESC, 2001.

9.d4 Bd6 10.c4 dc4 11.Bc4 a6 12.Bd3 =.

9.d4= Bd6 10.c4 dc4 11.Bc4 Bd7 12.Nc3 Rc8 13.Nb5 Bb8 14.Ne5?? (Better is 14.Rc1=) 14...a6 (14...Ne5 15.de5 Rc4 16.ef6 Bb5 17.fg7 Qd1 18.Rfd1–+) 15.Nc6? (Better is 15.Nd7 Qd7 16.Nc3–/+) 15...bc6?? (Better is 15...Rc6 16.Bb3 ab5–+) 16.Nc3+= Nd5 (16...c5 17.Ba6 Rc6 18.Bb5=) 17.Nd5 (Better is 17.Ba6!? Rc7 18.Qd2–/+) 17...cd5+= 18.Bd3 (18.Ba6 Rc6 19.Bd3 Rb6+=) 18...Bd6 (18...Bb5 19.Rb1=+) 19.Qh5 g6 20.Qh6 Qb6 21.Rab1 Qa5 22.e4= Ba3?? 23.Ra1+– Rc3 24.Bc3 Qc3–/+ 25.Ba6 Bb2 26.Rab1 Qd4 27.ed5 ed5 28.Rfd1 Qc3 29.Bb7?? Ba4 30.Re1?? 0–1. kamera – 38D, GameColony.com, 2002.

9.Re1 Bd6 10.Nc3=+.

9.Re1 e5 10.Be5 Re5 11.Ne5 Ne5 12.d4+/–.

9.Re1 e5 10.Be5 Ne5 11.Ne5 Re5 12.d4 Re6 13.dc5 Ne4 14.Qd4 Qh4 (14...Rh6 15.Bf3 Qh4 16.Be4 de4 17.Qe5=) 15.g3+= Qh3 (15...Qe7!?+=) 16.Qd5+/– Nf6 17.Qf3 Re5 18.c6 bc6? 19.Qc6+– Rb8 20.Qc7 Nd7 21.Rd1 Bb7?? 22.Qb8! 1–0. kamret (2195) – eyjar (2185), GameColony.com, 2003.

9.0-0 a6 10.Nbd2 =.

9.0-0 b6 10.Nbd2 Bb7 11.c4 Rc8 12.Rc1 Qe7 13.cd5 Nd5 14.Nc4 Bc7 15.Nce5 Ne5 16.de5 Rfd8 17.Qa4 a6 18.Qg4 b5 19.Ng5 Nb6 20.Ne4 Na4 21.Bd4 Be4 22.Qe4 Ba5 23.Bd3 g6 24.Rc6 Qa3 25.Rc8 Rc8 26.Qb7 Rd8 27.Qa6 Qd3 ½–½. Godoy,Mario D – Lindegaard,Peter (1935), corr ICCF, 2005.

9.0-0 Qb6 10.Nc3 Na5 11.Rb1 Bd7 12.Ne5 Qc7 13.f4 a6 14.Bd3 Nc4 15.Bc4 dc4 16.Nd7 Qd7 17.e4 Bc7 18.e5 Nd5 19.Nd5 Qd5 20.c3 b5 21.Qg4 f5 22.ef6 Rf6 23.Rbe1 Raf8 24.Bc1 Bd6 25.g3 a5 26.Bb2 Rg6 27.Qh4 Rff6 28.Re2 Qf5 29.Kh1 Rh6 30.Qg5 Qg5 31.fg5 Rf1 32.Kg2 Rhf6 33.gf6 Rf6 34.Bc1 Kf7 35.Rc2 e5 36.a4 ba4 37.Ra2 ed4 38.cd4 Bb4 39.Ra4 Ke6 40.Ba3 Kd5 41.Bb4 ab4 42.Rb4 Rf7 43.Rb8 Kd4 44.Rd8 Kc3 45.Rc8 Kd3 46.Rd8 Kc2 47.Rc8 c3 48.Rc6 Kd2 49.Rd6 Kc1 50.Rb6 c2 51.Rb8 Rd7 0–1. Petrova–Kalmukova – Angelova–Chilingirova, Primorsko 1987.

9.c4 dc4 10.Bc4 a6 11.Bd3 =+.

9.c4 Bd7 10.Nc3 a6 11.0-0 Rc8 12.c5+= Bc7 13.Bd3 Re8 14.Ne2 e5 15.de5 Ne5 16.Ne5 Be5 17.Bd4 Bd4 18.ed4 Bg4 19.f3 Bd7 20.Rb1 Bc6 21.Bf5 Rc7 22.Bd3 Rce7 23.Ng3+= Qa5 24.Nf5 Rd7 25.Qc1+/– g6 26.Qh6 Nh5 27.g4 f6 28.gh5 gf5 29.Bf5 Rg7 30.Kh1 Qc7 31.Rg1 Kh8 32.Bh7! Rg1 33.Rg1 Qh7 34.Qf6 (34...Qg7 35.Qg7) 1–0. smoothmovermovesagain – marnzell, ChessWorld.net, 2006.

9.c4 Bd7 10.Nc3 dc4 11.Bc4 Rc8 12.Bd3 =.

8.0-0 a6 9.d4 Bd6 10.Nbd2 b5 11.c3 (11.a4 b4=) 11...Bb7 (11...Nb6!?+=) 12.a4= ba4 13.Ra4 a5 14.c4 Nb6 15.Ra1 dc4 16.Bc4 (16.Ne5 Be5 17.de5 Nfd7+=) 16...Nc4 (better is 16...Bf3!? 17.gf3 Nfd5–/+) 17.Nc4= The isolani on a5 becomes a target 17...Bb4 18.h3 (18.Ba3 Rb8=) 18...Ba6 19.Rc1 Rc8 20.Nfe5 Nd7 (better is 20...Qd5!? 21.Qd3 Bd6–/+) 21.Nd7+= Qd7 (21...Rc4?! 22.Nf8 Rc1 23.Qc1 Kf8 24.Rd1+=) 22.Nb6 Rc1 23.Nd7 Rd1 24.Rd1 Rc8 25.Nc5 Bb5 26.Rc1 h6 27.g4 a4 28.Bc3 Bc5 29.dc5 (better is 29.Bb2!?+=) 29...Rc5–+ 30.Bb2 Rc1 31.Bc1 g5 32.f4 f6 33.Bb2 Kf7 34.Kf2 Kg6 35.Kg3 Kf7 36.h4 (36.Kf2 Bc4 37.Kf3–+) 36...Kg6 37.hg5 fg5 38.Kf3 Kf7 39.e4 gf4 40.Kf4 Be2 41.e5 Kg6 42.Ba3 Kf7 43.Kg3 (better is 43.Bb2!?=) 43...Ke8–/+ 44.Kh4 Kd7 45.g5 hg5 46.Kg5 Kc6 47.Kf4 Kd5 48.Ke3 Bf1 49.Bb2 Kc4 50.Kd2 Kb3 ½–½. Hal1958 – Jackaroe, playchess.de, 2004.

8.0-0 b6 9.Bf6 gf6 10.d4 Bd6 11.Nbd2 +=.

8.0-0 b6 9.Bf6 Qf6 10.d4 Bd6 11.Nbd2 Bb7 12.c4 dc4 13.Nc4 Bc7 14.Rc1 Rac8 15.Qa4 Qe7 16.Qa7 Bd5 17.Nce5 Ne5 18.Ne5?? (18.de5 f6+=) 18...Qd6?? (Better is 18...f6 19.Ba6 fe5 20.Bc8 Rc8–/+) 19.Bf3 f6 20.Bd5 fe5 21.Be6+– Qe6 22.Rc7 Rc7 23.Qc7 Rc8 24.Qe5 Qc6 25.h3 Qc3 26.Qe6 Kh8 27.Qb6 Qa3 28.Rb1 Rc1 29.Kh2 h6 30.Rc1 Qc1 31.d5 Qe1 32.d6 Qd2 33.Qd4 Qa5 34.d7 Qc7 35.g3 Qd8 36.Qd6 Kh7 37.Qe6 Qf8 38.f4 Qb8 39.Qe4 1–0. hal1958 – mladsir, HCL–A1281 playchess.de, 2003.

8.0-0 Bd6 =.

8.0-0 Re8 9.c4 b6 10.cd5 ed5 11.Nc3 Bb7 12.Rc1 Rc8 13.d4 Bd6 14.Qa4 a6 15.Qb3 Exerts pressure on the isolated pawn 15...b5 16.Na2 (16.Rc2 Nb6=) 16...Qe7 17.Nh4 Ne4 18.Nf5 Qf6 19.Nd6 Qd6 20.Qd3 Nf8 (20...Nb6 21.Bf3+=) 21.Rc2 Rc2 22.Qc2 Rc8 23.Qd3 Ng6 24.f3 Nf6 25.Qd2 Nd7 26.Rc1 Rc1 27.Qc1 Qc6 28.Qc6+= Bc6 29.Nb4 Bb7 30.a4 ba4= 31.Na6 Ba6 32.Ba6 Nb6 33.e4 Nf4 34.g3 Nh3 35.Kg2 Ng5 36.h4 Ne6 37.Kf2 Nc7 38.Bd3 de4 39.fe4 Kf8 40.Ke3 Ke7 41.d5 f5 42.Ba3 Kd7 43.d6 fe4 44.Ke4 Ne8 45.Kf5?? Nf6?? 46.Bb5+/– Kd8 47.Ke6 Ne4?? 48.g4 Nc3 49.Bd3 g6 50.Bb4 Ncd5 51.Bc5?? Nf4–+ 52.Kf7 Nd3 53.Bb6 Kd7 54.Kg7 Kd6 55.Bd4 Kd5 56.Ba1 Ne5 57.Kh7+= Ng4 58.Kg6= Ne5?? 59.Kf5 Nf7= 60.Bg7 a3 61.h5 a2 62.Ba1 Kd6 63.Kf6 Nh6 64.Kg6 Ng4 65.Kg5 Ne5 66.Kf5 Nf7 67.Bb2 Ke7 68.Kg6 Ke8 69.Kg7 Ke7 70.Kg8 Ke8 71.Bf6 Nh6+= 72.Kh7 Ng4 ½–½. Bah,Ismael (1765) – Han Yee Yu,Jerome, Saint Denis FRA, 2011.

8.0-0 h6 9.c4 Nb6 (9...dc4 10.Bc4 Nb6 11.Be2=) 10.cd5 (10.d4 Be7 11.c5 Nbd7+=) 10...Nbd5 (worse is 10...Qd5 11.Bf6 gf6 12.Nc3+/–) 11.Qc2 Be7 12.d3 Bd7 13.Qd2 Rc8 14.e4 Nb6 15.Nc3 Bc6 16.Rfd1 Qc7 17.Nd4 Rfd8 18.Nc6 Qc6 19.Rac1 Qd7 20.Qf4 Nh7 21.Qg3 Bc5 (21...Bf6 22.e5 Bg5 23.Rb1+=) 22.Nd5 Bf8 (22...Nd5 23.Qg7 Mate attack; 22...ed5 23.Qg7 Mate attack) 23.Nf6 (better is 23.Nb6!? ab6 24.d4+/–) 23...Nf6+= 24.Bf6 Rc1 25.Rc1 Rc8 26.Rf1 Kh7 27.Ba1 Qa4 28.Bh5 Kg8 29.Bb2 Qb5 30.Bc1?? (better is 30.Be5–/+) 30...Qh5–+ 31.f4 (31.d4 Na4 32.Qd3 Nc3–+) 31...Qe2 32.Re1 Bc5 33.Be3 Be3 34.Qe3 Qe3 35.Re3 Rc1 36.Kf2 Rc3 37.g4 (37.d4 Re3 38.Ke3 Nc4 39.Kd3 Na3–+) 37...Ra3 38.h4 White prepares g5 38...Ra2 39.Kf3 (39.Re2 Re2 40.Ke2 Nd7–+) 39...a5 (39...Rd2 40.g5–+) 40.f5 a4 41.g5 hg5 42.hg5 a3 43.fe6 fe6 44.g6 (44.Re1 Kf7–+) 44...Kf8 (44...Ra1 45.Re2–+) 45.Kf4 Rf2 46.Ke5 a2 47.Re1 Ke7 48.Rc1 (48.Kd4 Kf6–+) 48...Nd7 49.Kd4 Kf6 (better is 49...Rc2! 50.Ra1–+) 50.Kc3 Kg6 51.Rg1 Kf6 52.d4 g5 53.Kb3 (53.Ra1 g4 54.Kd3 g3–+) 53...g4! 54.Ka3 (54.Rg4 a1Q Combination) 54...g3 55.Kb3 0–1. Joerke,Siegfried – Georgiadis,Andreas (1800), Zuerich op–B, 2008.

8.c4 dc4 9.Bc4 b6 10.0-0 Bb7 11.d4 Be7 12.Nbd2 a6 13.a4 b5 14.ab5 ab5 15.Bb5 Qb6 16.Bd7 Nd7 (worse 16...Qb2 17.Rb1 Bf3 18.Nf3+/- (18.Rb2? Bd1 19.Rd1 Nd7-+; 18.gf3?! Qc3 19.Ne4 Qc7+=)) 17.Rb1 Qa6 18.Ba1 Bd5 19.e4 Ba2 20.Rc1 Rfb8 21.d5 ed5 22.ed5 Bd5 23.Ne4 Be6 24.Neg5 Bg5 25.Ng5 Rd8 26.Ne6 Qe6 27.Qd4 Nf6 28.Qc3 Rac8 29.Qb2 Rb8 30.Qa3 Ra8 31.Qg3 Qd6 32.Be5 Qe6 33.Rce1 Qf5 34.Re3 Re8 35.f4 Re6 36.Qf3 Rae8 37.h3 Nd7 38.g4 Qc2 39.Rf2 Qc5 40.Rc3 Qb6 41.Re3 f6 42.Qd5?? (better 42.Rb3 Ne5 43.fe5=+) 42...fe5 (better 42...Qe3 43.Qd7 Qg3 44.Rg2 Qh3 45.Kf2-+) 43.f5 (43.Rb3 Nf6 44.Rb6 Nd5 45.Re6 Re6 46.fe5 Re5 47.Kg2-+) 43...Qe3 44.fe6 Nf6 45.Qa2 (45.Qf3 Qf3 46.Rf3 Re6-+) 45...Qc1 (better 45...Ne4 46.e7 Kh8 47.h4-+) 46.Kg2 Qc6 47.Kh2 Qe6 48.Qa4 (48.Qe6 Re6 49.Rb2 e4-+) 48...e4 49.Rf5 (49.Qa2-+) 49...e3 50.Rf1 e2 51.Re1 Qe5 52.Kg1 Qe3 (52...Qg3 53.Kh1 Qe1 54.Kg2 Qf1 55.Kg3 e1Q 56.Kh2 Re2) 53.Kh2 Qf2 54.Kh1 Qe1 55.Kh2 (55.Kg2 Qf1 56.Kg3 e1Q 57.Kh2 Re2) 55...Qf2 56.Kh1 e1Q 0-1. carlos78 (2330) - Ruminoc (2270), Rated Blitz game, lichess.org, 2015.

8.d4 Bd6 9.c4 =.

8.d4 Be7 9.0-0 Qc7 =.

8.d4 Be7 9.Nbd2 a6 10.0-0 =.

8.d4 Be7 9.Nbd2 b6 10.0-0 Bb7 11.c4 dc4 12.Nc4 b5 13.Nce5 a6 14.Rc1 Qb6 15.Bd3 h6 16.h3 Rac8 17.Qd2 Ba8 18.Rc2 Qb7 19.Rfc1 Ne5 20.de5 Nd5 21.Be4 Rc2 22.Qc2 Qd7 23.Nd4 Bb7 24.Bf3 Rc8=+ 25.Qd2 Rc1 26.Qc1 Nb6=+ 27.Bb7 Qb7 28.Nf3 Nc4 29.a4 Qd5 30.ab5 ab5 31.Bd4 Ba3 32.Qc2 Qc6 33.Qb3 b4 34.Kf1?? Na5 35.Qd3=+ b3 36.Nd2 Qc2 37.Ke2 Bb4 38.g3 Qa2 39.Kd1 Bd2 40.Qd2–/+ Qb1 41.Qc1 Qd3 42.Ke1 Nc4 43.Bb2 Qc2 44.Qc2=+ bc2 45.Bc1 Ne5 46.Kd2 Nf3 47.Kc2 Ng5 48.Kd3 Nh3 49.Ke2 Ng1 50.Kf1 Nf3 51.Ke2 Ne5 52.Bb2 Nc4 53.Bc3=+ f6 54.Kd3 Nd6 55.Bb4 Ne8 56.Ke4 Kf7–/+ 57.f4 h5 58.Kf3 f5 59.e4 Nf6 60.e5 Ne4 61.Be1 Ke7 62.Bb4 Kd7 63.Ba5 Kc6 64.Bd8 Kd5 65.Be7 Kd4 66.Bd8 Kd3 67.Be7 Nd2 68.Kf2 Ke4 69.Bd8? Nb3 70.Be7 Nc1 71.Bd8 Nd3 72.Ke2 Nf4–+ 73.gf4 Kf4 74.Bc7 g5 75.Kf2 h4 76.Kg2 g4 77.Bd6 h3 78.Kh2 Ke4 79.Bc7 f4 80.Bb8 Kf3 81.Ba7 Ke2 82.Bb6 Kf1 83.Bc5 Ke2 84.Bb6 f3 85.Kg3 f2! 86.Bf2 h2! (87.Kh2 Kf2–+) 0–1. Krull,Guenter – Nickel,Juergen, Schleswig Holstein–ch, 1993.

8.d4 Bb6 9.Nbd2 Nd7 10.Bd3 (10.c4 e5 11.de5 Ne5 12.cd5 Nf3 13.gf3 Rd8=) 10...e5 11.de5 Ne5 12.Ne5 Qe5 13.0-0 Bc7 14.Nf3 Qf6 15.c4 dc4 16.Bc4 Bg4 17.Be2 Rfd8 18.Qb3 b6 19.h3 Bh5 20.Nd4 Rd4 (20...Be2 21.Ne2 Rac8 22.Rac1=+) 21.Bh5= Rh4 (21...Rd2 22.Rac1 Be5 23.Bf3=) 22.Be2 Be5 (22...Bd6 23.Bc4=) 23.Rac1 h6 (23...Bd6 24.Rfd1 Rd8 25.Qd3+=) 24.Rc4 (better 24.g3!? Qf5 25.Qd5+/- (25.gh4?! Qh3 26.f4 Qg3 27.Kh1 Qh3 28.Kg1 Qg3 29.Kh1 Qh3 30.Kg1=)) 24...Rc4= 25.Qc4 Re8 (25...Rd8 26.Qa6 Qe7 27.Rc1=) 26.Bf3 Bd6 27.Qa6 Qe5 28.g3 Qf6 29.Bg2 Bg3? (better 29...Qe7=) 30.fg3+- Re3?? (30...Qe7 31.Kh2+-) 31.Kh2 (better 31.Qc8 Kh7 32.Be4 Re4 33.Rf6 gf6 34.Qf5 Kg7 35.Qe4+-) 31...Qe5 32.Qe2?? (better 32.Qc8 Qe8 33.Qe8 Re8 34.Bd5+-) 32...Re2 (32...Qg3 33.Kg1 Re2 34.Rf2 Qf2 35.Kh2 Qg2) 33.Rg1 Re3 (33...h5 34.Kh1 Qg3 35.a4 g5 36.a5 ba5 37.h4 Qh4 38.Bh3 Qh3) 34.Kh1 Qg3 35.Rf1 Re2 36.Rf7 (36.Rg1 g5 37.a4 g4 38.a5 ba5 39.hg4 Qh4 40.Bh3 Qh3) 36…Qg2 0-1. alddhsfd (1965) - Cpt_pearce (1965), lichess.org, 2021.

8.d4 Bb6 9.Bd3 Nc6 10.Nbd2 e5 11.de5 Ne5 12.Ne5 Qe5 13.0-0 d4 (better 13...Bc7 14.Nf3 Qh5=) 14.Nc4+/- Qf6 15.Nb6 ab6 (15...Qb6 16.ed4 Rd8 17.Re1+/-) 16.ed4+- Qd4?? (better 16...Bf5+-) 17.Bh7! (17.Bh7 Kh7 18.Qd4+-) 1-0. alddhsfd (1995) - chrysaetos (2025), lichess.org, 2021.

8.d4 Nc6 9.Nbd2 Bd6 10.c4 dc4 11.Bc4 Qe7 12.a4 (12.0-0 Ba3 13.Qe2 Bd7+=) 12...Bd7 (12...e5 13.d5 Na5 14.Bd3=) 13.0-0= Rac8 14.Ne4 Bc7 ½–½. Berwanger,Florian – Michels,Marius, Karl Mala mem op, 2006.

7.Qc1 0-0 8.d4 Be7= 9.c4 dc4 10.Bc4 Nc6 11.Nc3 Na5 12.Ba2 Nb3 13.Bb3 Qb3 14.0-0 a6 15.Rb1 Qc4 16.Qd2 b5 17.Rfc1 Qc6 18.Qd1 Ne4 (18...Bb7 19.e4=) 19.Ne4 (19.d5!? Qc4 20.Ne4 Qe4 21.d6+/–) 19...Qe4= 20.Qc2 (20.Nd2 Qh4=) 20...Qc2 21.Rc2 Bb7 22.Ne5? (better is 22.Rc7 Be4 23.Rbc1+=) 22...Be4–+ 23.Rcc1 Bb1 24.Rb1 Rac8 25.Nd3 Rc2 26.g3 Rfc8 27.Kg2 h6 28.Ne1 Rb2! 29.Rb2 Ba3 30.Ra2 b4 31.Nd3 a5 32.Nc5 Kf8 33.Kf3 Ke7 34.Ke4 Kd6 35.Kd3 Kd5 36.e4 Kc6–+ 37.Kc4 Rd8 38.Rd2 e5 39.d5 Kb6 40.Na4 Kb7 41.Kb3 Kc7 42.Rc2= Kd6 43.Rc6 Kd7 44.Nc5+= Ke8 45.Nb7 Ra8 46.Nc5 Ra7 47.f3 Kd8 48.Ra6 Ra6 49.Na6 Kc8 50.Nc5 Kc7 51.Kc4 Kd6?? 52.Nb7+– Kc7 53.Na5 Kb6 54.Nc6 Kc7? 55.Nb4 Bb4? 56.Kb4 Kd6 57.Kb5 f6 58.h4 g6 59.g4 g5 60.hg5 fg5 61.Kb6 (61.Kb6 Kd7 62.Kc5+–) 1–0. Fournier,Frederic (1875) – Smirnov, Active, 2008.

7.Qc1 a5 8.Nc3 (8.Bf6 gf6 9.d4 Be7+=) 8...a4 9.Rb1 Qa7 (9...0-0!?=) 10.Nb5+/- Qa5 11.Bc3 Qd8 12.Bb4 (12.Bf6!? gf6 13.c4+/-) 12...Na6 (12...Bb4 13.Rb4 Nc6 14.Rb1=) 13.Bc5+= Nc5 14.c4 Bd7? (better 14...Nb3!? 15.Qc3 0-0+=) 15.cd5 (better 15.Nd6 Kf8 16.Ne5+-) 15...Nd5?? (better 15...Nfe4 16.Nd6! Nd6 17.Qc5 Qe7 18.de6 Be6+-) 16.d4 (better 16.Nd6 Kf8 17.Qc5+-) 16...Qa5 (16...Nb3 17.Nd6 Ke7 18.Nb7 Qb8-+) 17.Qd2+/- Qd2 (17...Ne4!? 18.Qa5 Ra5+=) 18.Nd2 Na6 19.Nd6 (19.e4 Nf4+-) 19...Ke7+/- 20.Nb7 Rab8?? (better 20...Rhb8 21.Na5 Rb1 22.Nb1 h5+/-) 21.Ba6+- Bc6 22.Nc5 Nc3 (22...Rb1 23.Nb1 Rb8 24.0-0+-) 23.Rb4 (better 23.Rc1 Nb5 24.Na4 Nd4 25.ed4 Ba4 26.Rc7 Bd7+-) 23...Rb4 24.ab4 Rb8 25.b5! Bb5 (25...Nb5 26.Na4 Deflection; 25...Bb5 26.Bb5 Combination) 26.Bb5 (26.Bb7 a3 27.Ndb3 a2+-) 26...Rb5 27.0-0 (27.f3 Rb2 28.Nce4 Nb1+-) 27...a3 28.Ra1 a2 29.Kf1 (29.Ncb3 Kd6+-) 29...Rb1 30.Nb1! ab1Q (30...ab1Q 31.Rb1 Combination; 30...ab1R 31.Rb1 Combination; 30...ab1B 31.Ra7 Skewer; 30...ab1N 31.Ra7 Skewer; 30...Nb1 31.Ra2 Combination) 31.Rb1 Nb1 32.Ke2 Nc3 33.Kd3 Nd5 34.g3 f5 35.f3 g5 36.e4 Nb4 (36...Nf6 37.Ke2+/-) 37.Kc3+- Nc6 (37...Na2 38.Kb2 Nb4 39.h3+-) 38.Nd3 (38.Ne6!? Ke6 39.d5 Kd6 40.dc6 fe4 41.fe4 Kc6+-) 38...Kd6 (38...g4 39.d5 fe4 40.fe4+- (40.dc6 ed3 41.fg4 Kd6+-)) 39.Nb4 White intends d5 (39.h4 f4 40.g4 gh4 41.e5 Kd7 42.Nf4 Nd8+-) 39...Na5 (39...Nb4 40.Kb4 g4 41.fg4 fe4 42.Kc4+-) 40.e5+- Kd7 41.f4 g4 (41...h6 42.d5+-) 42.d5 ed5 43.Nd5 Ke6 44.Kb4 Nc6 45.Kc5 Na5 (45...Ne5 46.fe5 Ke5+-) 46.Nc7 Ke7 47.Kd5 Nb3 48.Ne6 Nd2 (48...Kf7 49.Nd4 Nd2 50.Nf5+-) 49.Nd4 Nf3 (49...Kf7 50.Nf5 Kf8 51.Nh6+-) 50.Nf5 Kf7 (50...Kf8 51.e6 Nd2 52.Nh6+-) 51.Nh6 (51.e6 Ke8 52.Kd6 Nd2 53.Ng7 Kf8 54.e7 Kf7 55.e8Q Kg7 56.Ke7 Nf3 57.Qf7 Kh6 58.Kf6 Nh2 59.Qg7 Kh5 60.Qh7) 51...Kg6 (51...Kf8 52.e6 Nd2 53.f5+-) 52.Ng4 (52.e6!? Kf6 53.Kd6 Nd2 54.Ng4 Kg7+-) 52...Kf5 (52...h5 53.Ne3 Kf7+-) 53.e6 Kg4 54.e7 Nh2 55.e8Q Kg3 56.f5 Ng4 57.Ke6 Kf4 58.f6 h5 (58...Nf6 59.Kf6 h6 60.Qe5 Kf3 61.Kg6+-) 59.Qh5 (59.f7 Ne5 60.f8Q Ke3 61.Ke5 Kd3 62.Qb5 Kc3 63.Qf2 h4 64.Qfb2) 59...Nf6 60.Kf6 Ke3 61.Qg4 (61.Qg4 Kf2 62.Qf4 Ke2 63.Ke5 Kd3 64.Qd4 Kc2 65.Qc4 Kd2 66.Kd4 Kd1 67.Qd3 Ke1 68.Qc2 Kf1 69.Ke3 Kg1 70.Kf3 Kf1 71.Qf2) 1-0. Andini (2140) - zembelek (2135), Rated Blitz game, lichess.org, 2014.

7.Qc1 Nc6 8.d4 Be7 9.Bd3 0-0 (9...Bd7 10.Nbd2=) 10.0-0 Na5 (10...Bd7 11.Nbd2=) 11.Nbd2 Bd7 (11...Qc7 12.Ne5=) 12.Ne5 (12.Rb1 Rfc8=) 12...Rac8 (12...Bb5 13.c4 dc4 14.Nec4 Nc4 15.Nc4 Bc4 16.Bc4–+) 13.Nd7 (13.Rb1 Qd6=) 13...Nd7 14.Rb1 Qc7 15.e4 (15.Qe1 Nf6=) 15...Nb6 (15...de4 16.Be4 Nf6 17.Bd3+=) 16.Re1= Nbc4 Attacking the isolated pawn on a3 (16...de4 17.Re4 Nac4 18.Nc4 Nc4 19.Rg4=) 17.ed5 Nd2 (better is 17...ed5 18.Nc4 Nc4=) 18.Qd2+/– ed5? (better is 18...Nc4!? 19.Qe2 Nb2 20.Rb2 Ba3+/–) 19.Re7!+– Qe7 20.Qa5 Qg5 (20...Rfe8 21.h3+– (21.Qa7?! Rc2 22.Qa4 Rf2+–)) 21.Bc1 Qh5 (21...Qe7 22.Bd2 b6 23.Qd5+–) 22.Bf4 (22.Be3 a6+–) 22...a6 (22...Ra8 23.Rb7 Qd1 24.Bf1 Qd4 25.Be3+–) 23.g3 Qf3 (23...Rc6 24.Rb7 Rf6 25.Re7+– (25.Ba6?! Qd1 26.Kg2 g5+/–)) 24.Rb7 Qd1 (24...Rc6 25.Rd7 Re8 26.Qd5 Re1 27.Bf1 Qd5 28.Rd5+–) 25.Kg2 Rc2 (25...Rcd8 26.Bg5 Rb8 27.Rb8 Rb8 28.Qd5+–) 26.Bc2 Qc2 27.Qd5 Qg6 28.Bd6 Rd8 29.Ra7 (29.Bc5 Rc8+– (29...Rd5?? 30.Rb8 Rd8 31.Rd8)) 29...h6 30.Ra6 Rd7 (30...Kh7 31.Qe5+–) 31.a4 (31.Qc6 Qe6+–) 31...Qd3 (31...Kh7 32.Qc6 Rd8 33.Bc5 Qc6 34.Rc6+–) 32.Rb6 (32.Qc6 Qf5+–) 32...Kh7 33.a5 Rd8 (33...Qg6 34.a6 h5+–) 34.a6 Rc8 (34...Rd7 35.Rb7 Rd6 36.Qd6 Qe4 37.Kf1 Qh1 38.Ke2 Qe4 39.Kd2 Qf3+–) 35.a7 Rc1 36.a8Q Qf1 37.Kf3 Qd3 38.Kg4 h5 39.Qh5 1–0. Janek – tinhho, internet, 2017.

7.Qc1 Ne4 8.d3 (8.Bg7 Rg8 9.Bb2 Nc6+=) 8...Nf6 9.Nbd2 0-0 (9...Nbd7 10.c4=) 10.Nb3 (10.Bf6!? gf6 11.d4+=) 10...Bd6 11.Be2 Nc6 12.0-0 (12.Bf6 gf6 13.d4 Rd8=) 12...Qc7 (12...e5 13.Rb1+=) 13.h3 (better is 13.Bf6!? gf6 14.c4=) 13...e5+= 14.Re1 e4 (14...Rd8 15.c4+=) 15.de4 de4 16.Nfd4 Nd4 17.Nd4 Be5 18.c3 (18.Nb5 Qb8=) 18...Qe7 19.Qc2 Bd4 (19...Rd8!?+=) 20.cd4 Bf5 21.Rac1 Rac8 22.Qb3 Be6 23.Bc4 (better is 23.Qa4=) 23...Nd5?? (better is 23...Rc4 24.Rc4 Qd7+=) 24.Bd5+– Rc1 25.Rc1 Qg5 (25...Bd5 26.Qd5 a6+–) 26.Be6 fe6 (26...Qe7 27.Bd5 b6 28.Qc2+–) 27.Qe6 Kh8 28.Qe4 (better is 28.Rc8 Qf6 29.Qf6 gf6 30.Rf8 Kg7 31.Rb8+–) 28...Qf6 29.Rc2 1–0. Fournier,Frederic – Guest363897, Partie amicale, 3m + 1s, 2007.

7.Bd4 Bd4+= 8.Nd4 e5 9.Nf3 Bg4 10.Be2 Nc6 11.0-0 e4 12.Ng5 Be2 13.Qe2 Qb2 (13...h6 14.Nh3+=) 14.Nc3 Qc2 15.Nb5 (15.Qb5!? Rb8 16.Nd5–/+) 15...0-0–/+ 16.Nd6 Nd8 17.Rfc1 Qd3 (better is 17...Qb2!? 18.f4 h6–/+) 18.Qd3= ed3 19.Rc7 f7 becomes the focus of attention 19...b6 20.Rac1 h6 21.Nf3 Ne4 22.Ne4 (22.Nb5!?=) 22...de4+= 23.Nd4 Re8 1–0. Fournier,Frederic (2215) – Jauneau,David, Train France (FRA), 2001.

8.d4 Qa5?? (8...Be7 9.Bd3=) 9.Nbd2?? (better is 9.Bc3 Qd8 10.dc5 Nc5 11.Bd4+–) 9...Bb6 10.Bd3 0-0 11.0-0 Ng4 12.c4 e5 (12...Ndf6 13.Bc3 Qa4 14.Qb1+/–) 13.cd5 e4 (better is 13...ed4!? 14.e4 Nc5+/–) 14.Be4+– Ndf6 15.Nc4 Qb5 16.Nb6 ab6 17.Bc2 Nd5 18.h3 Nh6 19.Qb1 Qe2?? 20.Bd3 Bf5 21.Be2 Bb1 22.Rab1 Rfc8 23.Rfc1 Rc6 24.Ne5 Rcc8 25.Bf3 (25.Bf3 Rd8 26.Bd5 Rd5 27.Rc7+–) 1–0. Fournier,Frederic (1620) – capablancab(C), Active, 2007.

8.Be2 0-0 9.0-0 a6 10.d3 Re8 11.Nbd2 e5 12.Rb1 Qc7 13.c4 e4 14.de4 de4 15.Nd4 Bd6 16.N2b3 (better 16.h3!?=) 16...Bh2-/+ 17.Kh1 Bd6 18.Nf5 Be7 19.Ne7 Re7 20.c5 Qc6 (20...Ne5!?-/+) 21.Rd1=+ h6 22.Bd4 Nf8 23.Na5 Qa4 (23...Qe6 24.Nc4=) 24.Qc3 (better 24.Bf6!? gf6 25.Qc3+/-) 24...Nd5= 25.Qd2 Ne6 (25...Qa3? 26.Rb3 Qa4 27.c6+-) 26.c6 (26.Bc4!? Rd7 27.Bb3 Qa3 28.Nc4=) 26...bc6-/+ 27.Nc6?? (better 27.Rdc1 Nd4 28.ed4-/+) 27...Qc6-+ 28.Rdc1 (28.Bg7 Kg7 29.Rbc1 Qd7 30.Qd5 Qd5 31.Rd5 Rb7-+) 28...Qd7 29.Qb2 Nd4 30.Qd4 Qf5 31.Rc5 Be6 32.Bc4 Qf2 (better 32...Rd7 33.Kg1-+) 33.Bd5 Rd8 34.Rf1 (34.Be4 Red7 35.Qa4 Qe3-+) 34...Qh4 (better 34...Qf1 35.Kh2 Qf2-+) 35.Kg1 Bd5 (better 35...Qg3 36.a4 Red7 37.Be6 Rd4 (37...fe6?! 38.Qe4 Rd6 39.Re5-/+) 38.Bf7 Kh7 39.ed4 Qd3-+) 36.Rd5 Rd5 37.Qd5 Qg5 38.Qd8 Kh7 39.Qe7?? (39.Qd4-+) 39...Qe7 40.Rd1 (40.Ra1 Qc5 41.Re1 Qa3-+) 40...Qc5 (better 40...Qa3!? 41.Re1 a5 42.Kh2-+) 41.Re1 (41.Rd4 f5 42.Kf2 Qa3-+) 41...Qa3 42.Rf1 (42.Kf2 a5 43.Rd1 Qb2 44.Ke1 a4-+) 42...Qe3 43.Kh1 a5 44.Rf7 Qc1 45.Kh2 e3 46.Re7 e2! 47.Re2 Qf4 48.Kg1 a4 49.Rf2 Qd4 50.Kf1 a3 (50...Qd1) 51.Ra2 Qc4 52.Kg1 Qa2 53.Kh2 (53.Kf1 Qc4 54.Kg1 a2 55.Kf2 Qf4 56.Ke2 a1Q 57.Kd3 Qd1 58.Kc3 Qfd4) 53...Qb2 (53...Qd5 54.Kg1 a2 55.Kf2 a1Q 56.Kg3 Qe1 57.Kg4 Qg2 58.Kf4 Qge4) 54.Kh3 (54.Kg3 a2 55.Kf4 Qf2 56.Ke4 a1Q 57.Kd5 Qfd4 58.Ke6 Qe1 59.Kf5 Qee4) 54...a2 55.g3 (55.Kg4 Qg2 56.Kf4 a1Q 57.Ke3 Qc3 58.Kf4 Qgf3) 55...a1Q 56.Kh4 Qa4 (56...Qe2 57.g4 Qh2) 57.g4 (57.Kh3 Qe2 58.g4 Qag4) 57...Qbb5 (57...Qh2) 58.Kh3 (58.Kg3 Qe2 59.g5 Qag4) 58...Qg4! 59.Kh2 (59.Kg4 h5 Passed pawn) 59...Qd3 (59...Qbh5) 60.Kh1 Qge2 (60...Qdh3) 61.Kg1 Qdd1 0-1. avz81 (1710) - eu_vlad0903 (1775), lichess.org, 2018.

8.Nc3 d4? 9.Na4+/- Qd6 10.Nc5 de3? (better 10...Qc5 11.Nd4 e5+/-) 11.Bb5 (11.Ne4 ef2 12.Kf2 Qe7+-) 11...Nc6 (11...Bd7 12.Nd7 (12.Nb7?! ef2 13.Kf2 Qb6 14.d4 Bb5+=) 12...ef2 13.Kf2 Nd7 14.d4+-) 12.d4 ef2 13.Kf2 a6 14.Bd3 (better 14.Ne4 Qf4 15.Bc6 bc6+-) 14...Nd4 15.Nd4?? (better 15.Ne4 Qf4 16.Rb1+-) 15...Qd4-+ 16.Ke2 Qc5 17.Rf1 (17.Qf1 Qe5 18.Kf2 b5-+) 17...f5 (17...Rg8 18.Rf2 Qh5 19.Kd2 Qh6 20.Kc3 Qh2 21.Qf1-+) 18.a4 (18.g3 h5-+) 18...Qe5 19.Kd2 (19.Kf2 Qh2 20.Qf3 Rg8-+) 19...Qh2 20.Qe2 Rg8 21.Rf2 (21.Rh1 Qg2 22.Rh7 e5-+) 21...Bd7 22.g4 (22.Bf5 Qh6 23.Kd1-+) 22...Rg4 (better 22...Qh6 23.Qe3 Qe3 24.Ke3 Rg4-+) 23.Bf5 (better 23.Rh2 Ra4 24.Ra4 Ba4 25.Rh7+-) 23...Qd6 (23...Qh6 24.Kc3 Rg3 25.Kb2 Qf6 26.Kb1 Rg1 27.Rf1 Rf1 28.Qf1 Qf5 29.Qf5 ef5 30.Kc1-+) 24.Kc1 (24.Bd3 Qb4 25.Kd1 Ba4 26.Rg2-+) 24...Rg1 25.Kb2 (25.Rf1 Qd4 26.Rb1 Rf1 27.Qf1 ef5 28.Rb7 Qa1 29.Rb1 Qa3 30.Kd2 Rd8-+) 25...Ra1 (25...Qb4 26.Ka2 Qa4 27.Kb2 Qa1 28.Kb3 Rb1 29.Kc4 Rc8 30.Kd3 Qc3 31.Ke4 Rb4 32.Qc4 Rbc4) 26.Ka1-+ Qd4 27.Kb1 Qa4 (27...h6 28.Bd3-+) 28.Bh7 Bb5 29.Qe5 (29.Qf3 0-0-0 30.Qc3 Kb8-+) 29...Qb4 30.Kc1 0-0-0 (better 30...Qa3 31.Qb2 Qb2 32.Kb2 f5-+) 31.Rf4 (31.Qe3 Qa5 32.Qc5 Kb8 33.Qe5 Ka8 34.Rf3-+) 31...Qa3 32.Kb1 Rd1 0-1. alaindubleu (1675) - cthtuf1975, lichess.org, 2015.

8.c4 d4 9.ed4 Bd4 10.Nd4 Qd4=.

8.d4 Qb2= 9.dc5 (better is 9.Nbd2!? Ba3 10.c4=) 9...Qa1–/+ 10.Qc1 (10.c4 dc4 11.Bc4 Nd7–/+) 10...Bd7 (10...Nd7 11.c4–+) 11.c3 (11.c4 Bc6–/+) 11...Ba4 12.Nd4 (better is 12.c4 dc4 13.Bc4–+) 12...Qa2?? (12...Nd7 13.Bb5 Bb5 14.Nb5–+) 13.Bb5?? (better is 13.c4 Qa1 14.cd5=) 13...Bb5–+ 14.Nb5 Na6 15.Nd2 Nc5 16.0-0 Nd3 17.Qd1 Ke7 18.Nb3 Rhc8 19.c4? Nb2 (19...Nb2 20.Nc3 Qa3–+ (20...Nd1?! 21.Na2 dc4 22.Nd4–+)) 0–1. Verroen,Hans Peter – De Groot,Adrianus Dingeman, corr, 1980.

7.Bb5 Qb6 8.Nc3 0-0 9.Qe2 Qc7 10.Na4 Be7 11.0-0 Bd7 12.Bf6 Bf6 13.d4 a6 14.Bc6 Bc6 (14...bc6?! 15.c4+=) 15.Nc5 Bb5 16.Nd3 Rac8 17.Rfc1 b6 18.a4 Bc4 19.Qd2 Ra8 20.Qc3 Rfc8 21.Nb2 (21.Nde5 Be7+=) 21...Be2–/+ 22.Qd2 Bf3 23.gf3 Qc3 24.Qc3 Rc3 25.Nd1 Rc4 26.f4 Rac8 27.c3 Be7 28.Rcb1 R8c6 29.Kf1 h5 30.Ke2 Kf8 31.Kd3 g6 32.f3 f6 33.e4 Bd6 34.e5 Be7 35.Rb2 Kf7 36.ef6 Bd6 37.Rab1 (37.Rc2!? Rc8 38.Ne3+=) 37...Bf4 38.h3 Ra4 39.Rb6 Ra2 40.R6b2 Ra3 41.Rb3 Rb3 42.Rb3 Kf6 43.Ke2 Kg5 44.Kf2 Bd6 45.Rb7 Kh4 46.Kg2 g5 ½–½. Williams,Barry M – Larsen,Julian C V, NZCCA CT9807, 1998.

7.Nc3 a6 8.Ne2 0-0 9.Ned4 Nd4 10.Bd4 Bd4 11.ed4 Bd7 12.Ne5 Qa5 13.Rb1 Bb5 14.Bb5 ab5 15.Rb3 Ne4 16.c3 f6 17.Nd3 e5 18.f3 Nd6 19.de5 fe5 20.Ne5 Nc4 21.Ng4 Rfe8 22.Kf2 Na3 23.Re1 Nc4 24.Re8 Re8 25.d3 Qa2–/+ 26.Kg3 Re2?? 27.dc4+– Rg2 28.Kh4 Rd2 29.Qb1 1–0. kamret (2175) – avet (1910), GameColony.com, 2004.

7.Nc3 Qb6 8.Na4 Qa5 9.Nc5 Qc5 10.Be2 Qe7 11.d4 Ne4 12.0-0 0-0 13.c4 Qf6 14.cd5 ed5 15.Rc1 Qg6 16.Kh1 Bg4 17.Bc3 Qh6 18.Ne5 Nc3 19.Ng4 Nd1 20.Nh6 1–0. marus1 – utf, internet, 2001.

7.Nc3 d4 8.Na4 Bb6 9.Nb6 ab6 10.Nd4 Nd4 11.Bd4 0-0 12.Qf3 Qd6 13.Bf6 gf6 14.Qf6 Ra3 15.Rb1 Ra5 16.Bd3 Qe5 17.Qe5 Re5 18.f4 Rh5 19.Rb6 f5 20.Bc4 Rh6 21.d4 Rg6 22.g3 Kg7 23.Bb3 h5 24.c4 h4 25.gh4 Rff6 26.c5 e5 27.Rf6 Rf6 28.fe5 Rg6 29.Kf2 Rb6 30.cb6 1–0. marus1 – sondergaard, internet, 2001.

7.c4 0-0 8.cd5 Nd5 9.d4 Be7 10.Bd3 b6 11.Qc2 Bb7 12.Bh7 Kh8 13.Bd3 Rc8 14.Nc3 Na5 15.0-0 Rc7 16.Ne5 Qa8 17.Qe2 g6 18.Nb5 Rcc8 19.Bg6 a6 20.Qh5 Kg7 21.Qh7 Kf6 22.Nd7 Kg5 23.Qh5# 1–0. Wall,Bill – NationAmby, Microsoft Gaming Zone, 1999.

7.c4 a6 8.Nc3 Qe7 (8...dc4 9.Bc4 b5 10.Bb3+=) 9.cd5 0-0?? (better is 9...ed5 10.Na4 Ba7=) 10.dc6+– bc6 11.Be2 Ba3 (11...Rb8 12.Rb1 Rd8+–) 12.Ba3 Qb7 (12...c5 13.d4 Bb7 14.Bc5+–) 13.Bf8 Kf8 14.0-0 c5 15.Qa4 h6 16.Rfb1 Qc7 17.Qa5 Qc6 18.Qb6 Qe8 19.Ba6 Bd7 20.Bb7 Rb8 21.Qc7 Nd5 22.Nd5 ed5 23.Qc5 Kg8 24.Bd5 Rc8 25.Qb4 Bf5 26.e4 Bg4 27.Qb3 Kh8 28.Bf7 Qc6 29.Bd5 Qc5 30.d4 Qc2 31.Qc2 Rc2 32.Rc1 Rb2 33.Rab1 Re2 34.e5 Kh7 35.Kf1 Bf3 36.Bf3 Ra2 37.Ra1 (37.Ra1 Rf2 38.Kf2 Kg6 39.Rc6 Kf7 40.Ra7 Kg8 41.Rc8 Kh7 42.Be4; 37.Be4 Kg8 38.Rc8 Kf7 39.Rb7 Ke6 40.Rc6) 1–0. Fournier,Frederic (1735) – alacalufe (1605), Active, 2006.

7.c4 Bd7 8.cd5 Nd5 (8...ed5!? 9.Bf6 Qf6=) 9.Bg7+= Rg8 10.Bb2 Bd6 (10...h6 11.Nc3+/–) 11.d4 (11.Nc3 Nc3 12.Bc3 Qc7+/–) 11...Rc8 12.Nc3 (12.e4 Nf4 13.g3 Qb6+/–) 12...Nc3 (12...Qb6 13.Ne4 Be7 14.Rb1+/–) 13.Bc3 Ne7 (13...h6 14.e4+/–) 14.Bb4 Bb4 15.ab4 a6 (15...Qb6 16.Qb1+/–) 16.Ne5 Rc7 (16...Qb6 17.Qb1+/–) 17.Qf3 (17.Qb1 Ng6+–) 17...Rf8 (17...Nf5 18.Nd7 Qd7 19.b5+/–) 18.Bd3+– Bc6 19.Nc6 (19.Qh3 Qd5+–) 19...Nc6 20.Bh7 (20.b5 Ne5 21.Qe2 Nd3 22.Qd3 Qg5+/–) 20...Nb4 (20...Qd6 21.Rb1+/–) 21.0-0 (21.Rb1 b5+/–) 21...Qc8 (21...Rh8 22.Qg3+/–) 22.Qf6 (22.Be4 f5 23.Qh5 Kd8+–) 22...Nd5 23.Qg7 Qd7 (23...b5 24.Bd3+/–) 24.Rac1 (24.Rfc1 Rc1 25.Rc1 b5+/–) 24...Rc1 25.Rc1 Ke7 (25...b5 26.Qg3+/–) 26.g3 a5 27.Be4 a4 28.Bd5 ed5 29.Qe5 Kd8 30.Rc5 Re8 31.Qg5 Qe7 32.Qd5 Qd7 33.Qc4 b6 34.Rd5 1–0. Wall,Bill – M554, chess.com, 2008.

7.c4 h6 8.Nc3 d4 9.ed4 Nd4 10.Nd4 Bd4 11.Be2 0-0 12.0-0 b6 13.Qc2 Bb7 14.Nb5 Bb2 15.Qb2 Qe7 16.Qb4 Rfe8 (16...Qd7!?=) 17.Nd6+= Red8 (17...a5!? 18.Qb6 Ra6 19.Qb7 Rd6 20.Qe7 Re7+/–) 18.Nb7+/– Qb7 19.d3?? (19.Bf3 Qc8 20.Ba8 Qa8+/–) 19...a6?? (19...Qc7 20.Bf3 Rac8 21.Rad1+=) 20.a4?? (20.Bf3 Qc7 21.Ba8 Ra8+–) 20...Nd7?? (20...Rab8 21.a5+=) 21.Rfb1 (better is 21.Bf3 Qc7 22.Ba8 Ra8 23.d4+–) 21...a5 22.Qb5 Rab8 23.Bf3 Qc7 24.Ra3 Nc5+= Attacking the backward pawn on d3 25.Be4 Rd4 26.Rd1?? Rbd8 27.Qb1?? Ne4–+ (27...Ne4 28.Qb3 Qc5–+) 0–1. Fournier,Frederic (2005) – Elcacique (2070), Active, 2004.

7.Bd3 0-0 8.0-0 Ne4 9.Nc3 (9.c4 Nf6=) 9...Nc3=+ 10.Bc3 Bd6 11.e4 de4 (11...d4 12.Nd4 Nd4 13.Bd4 Bh2 14.Kh2 Qd4 15.Qh5=) 12.Be4 Ne7 13.Ne5 Ng6 (13...Nd5 14.Bb2=) 14.Ng6+= hg6 15.Qf3 Qc7 16.g3 e5 (16...f5 17.Bd3=) 17.Rab1 Rb8 18.a4 b6 19.a5 Ba6 20.ab6 (20.Rfc1 ba5 21.d4 ed4 22.Bd4 Rb1 23.Rb1 Re8=) 20...ab6 (better 20...Bf1 21.Kf1 Rb6 22.Rb6 Qb6-/+) 21.Rfe1+= b5 22.Bb4 Rfd8 23.c3 (23.Re2+=) 23...Bb7 (23...Bb4!? 24.cb4 Rd2=) 24.Bb7 (24.Bd6 Rd6 25.Bb7 Qb7 26.Qb7 Rb7 27.Re5 Rd2 28.Rbb5 Ra7+/-) 24...Qb7 (24...Bb4!? 25.Rb4 Rb7+=) 25.Qb7+/- Rb7 26.Bd6 Rd6 27.Re5 Rd2 28.Reb5 Rc7 29.R5b3 (29.Rb8!? Kh7 30.R1b7 Rc3 31.Rf7+/-) 29...Rc2+= 30.Rd1 R7c3 31.Rd8 Kh7 32.Rbb8 (32.Rc3!? Rc3 33.Rd5+=) 32...g5=+ 33.Rd5 (33.Rh8 Kg6 34.Kg2 Rc5=+) 33...Kg6 (33...Rf3!? 34.Rg5 Rff2-/+) 34.Rb6 f6 35.Rb7? (35.Kg2 Ra3 36.h4 gh4 37.gh4 Raa2 38.h5 Kh6=) 35...Ra3 (better 35...Rf3!? 36.Rdd7 Rff2 37.Rg7 Kf5 38.Rb5 Ke6 39.Rb6 Ke5-/+) 36.Rdd7= Raa2?? (36...Kf5 37.Rdc7 Re2 38.Re7 Re7 39.Re7=) 37.Rg7?? (better 37.g4 Kh6 38.Rg7+-) 37...Kf5= 38.Rb5 Kg4 39.Rb4 Kh3?? (better 39...Kf3 40.Rb3 Kg4 41.Rb4 Kf3 42.Rb3 Kg4 43.Rb4=) 40.Rh7 1-0. black_bishop_88 (2530) - broccoli1 (2465), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 c5 4.bc5 Nf6 5.Nf3 Bc5 6.e3 Nc6)

7.Bd3 Bd6 8.0-0 e5 9.Be2 e4 (9...0-0 10.Nc3=+) 10.Nd4= Ne5 11.Nc3 0-0 12.d3 Qe7 13.g3 (13.Ndb5!? Bb8 14.Qd2=+) 13...Bh3=+ 14.Re1 h5 (14...Rfc8 15.Ncb5=+) 15.Bh5 (15.f4 ef3 16.Bf3 Nf3 17.Qf3 Qe5=) 15...Rac8 (better 15...Nh5!? 16.Qh5 Bg4-/+) 16.Be2+= g6 (16...Bc5 17.Nb3 Bd6 18.Nb5+=) 17.de4 (17.Ncb5 Bb8+/-) 17...de4+= 18.Bf1 (18.Ncb5 Bb8+=) 18...Bf1= 19.Rf1 Kg7 20.Nce2 (20.Qe2 Rh8=) 20...Rh8 21.Nf4 Rh7 22.h4 (22.Qe2 Kg8=) 22...Rch8 (22...Kg8 23.Rb1=) 23.c4 (better 23.Qe2=) 23...Bc5?? (23...Nc4 24.Qe2 A) worse 24...Ba3 25.Ba3 Na3 26.Qa2+-; B) 24...Na3? 25.Nd5 Qd7 26.Nf6 (26.Ra3 Nd5 27.Nf5 Kg8 28.Nd6 Qd6+/-) 26...Kf6 27.Ra3+-; C) 24...Nb2 25.Qb2 Bf4 26.ef4 Rh5=+) 24.Nb3 Nf3 (24...Nc4?? 25.Bf6 Qf6 26.Nc5+-) 25.Kg2 Rh4? (25...Nh4 26.gh4 Rh4+-) 26.gh4+- Nh4 27.Kg3 g5?? (27...Nf5!? 28.Kg2 Nh4 29.Kg1 Nf3 30.Kg2 Nh4=) 28.Nc5 (better 28.Bf6 Qf6 29.Nh5 (29.Nc5?? gf4 30.ef4 Nf5 31.Kg2 Qg6 32.Qg4 Qg4) 29...Rh5 30.Qh5 (30.Nc5 Qe5 31.f4 ef3 32.Kg4 f5 33.Kh5 Qe8 34.Kg5 Qe3 35.Kh4 Qf4 36.Kh3 Qg4 37.Kh2 Qg2) 30...Bd6 31.Kh3 Qe6 32.Qg4+-) 28...gf4= 29.ef4 Nf5 30.Kg2 Nh4 31.Kg3 Qc5?? (31...Nf5 32.Kg2 Nh4 33.Kg3=) 32.Qd5?? (better 32.Qg4! Ng6 33.Qg5+-) 32...Nf5= 33.Kg2 Nh4 34.Kg3 Nf5 35.Kg2 Nh4 36.Kg3 ½-½. black_bishop_88 (2530) - utkalranjansahoo (2390), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 c5 4.bc5 Nf6 5.e3 Bc5 6.Nf3 Nc6)

7.d4 Bd7?? 8.dc5+- b6 (8...Qa5 9.Nbd2+-) 9.cb6 ab6 10.Nbd2 Ne4 (10...0-0 11.c4+-) 11.Ne4 de4 12.Nd4 (12.Nd2 0-0+-) 12...Nd4 (12...0-0 13.Nc6 Bc6 14.Qg4+-) 13.Bd4 (worse 13.ed4 0-0+-) 13...0-0 14.Bc4 (14.Qb1 Qe7+-) 14...f6 (14...Qc7 15.Bb3+-) 15.0-0 (15.Bb6 Qc8 16.Qd4 Ra4+-) 15...Kh8 (15...b5 16.Bb3+-) 16.Bb3 (16.Bb6 Qc8+-) 16...f5 (16...Bb5 17.c4 Bc6 18.Bc3+-) 17.Qh5 (17.Bb6 Qb6 18.Qd7 e5+-) 17...Bb5 18.c4 Ba4 19.Ba4 Ra4 20.f4 (20.c5!? bc5 21.Bc5 Qe8+-) 20...Rc4 21.Qg5 Qg5 22.fg5 Kg8 23.Bb6 Rb8 24.Bd4 Rb5 (24...Ra4 25.g4! g6 26.Rfc1+-) 25.a4 Rd5 (25...Ra5 26.Rab1 Raa4 27.Rb8 Kf7 28.Rb7 Kf8 29.Bg7 Kg8 30.Bf6+-) 26.a5 e5 (26...Rc8 27.a6 Ra8 28.a7+-) 27.Bb6 (better 27.Rf5 Rc8+-) 27...Rd2 28.Rfd1 (28.Rf2!? Rf2 29.Kf2 Kf7+-) 28...Rb2 29.Rd8 (29.Rac1 Rc1 30.Rc1 Ra2+-) 29...Kf7 30.Rd7 Ke6 (30...Kg6 31.Rc7 Rcb4 32.Rd1+-) 31.Rad1 Rcc2 (31...Rc6 32.g4 fg4 33.Rg7 Rcc2 34.Rh7 Kf5+-) 32.R1d6 1-0. bazilishek (1635) - Leviathan1987 (1620), lichess.org, 2020.

7.Be2 Qb6 8.Ra2 Bd7 9.0-0 Be7 10.d4 Ne4 11.Nbd2 f5 12.Ne4 fe4 13.Ne5 Ne5 14.de5 0-0 15.Bd4 Qc7 16.Qb1 b6 17.c4 Rac8 18.Rc1 (18.cd5 ed5 19.Ba6 Rb8=) 18...Qd8 19.cd5 ed5 20.Rac2 (20.Rc8 Bc8 21.Qb3 Be6=) 20...Rc2 (20...Ba3!? 21.Rc8 Bc8+=) 21.Qc2 Ba3 22.Ra1 Qe7 23.Qc7 Rc8 (23...Qf7!? 24.f3 Rc8 25.Qa7 Bc5=) 24.Qa7+/– Bc5 25.Bb5?? (better is 25.Bc5 bc5 26.Bg4+–) 25...Bb5–+ 26.Bc5 (26.Qe7 Be7 27.Bb6 Kf7–+) 26...Qa7 27.Ra7 bc5 28.e6 (28.Ra5 Bd3 29.f4 ef3 30.gf3 c4–+) 28...c4 29.e7 c3 (29...c3 30.Ra1 Kf7–+) 0–1. Fournier,Frederic – guest4959, Active (2/0), 2005.

7.Be2 d4 8.Nd4 Nd4 9.Bd4 Bd4 10.ed4 Qd4 11.Nc3 0-0 12.Rb1 Nd5 13.Nd5 Qd5 14.0-0 f5 (14...Rd8!?=) 15.Bf3+= Qd7 16.d4 Rb8 17.c3 b6 18.Qb3 Ba6 19.Rfe1 Attacks the backward pawn on e6 19...Rbe8 20.Be2 Bb7 (20...Be2!? 21.Re2 Rf6+/–) 21.Bb5+/– Bc6 22.Re6! Re6 (22...Qe6 23.Bc4 Pinning (23.Bc4 Decoy); 22...Re6 23.Bc6 Pinning (23.Bc6 Decoy)) 23.Bc6 Qf7 (23...Qc6 24.d5 Qd6 25.de6+/–) 24.Bd5+/– Rfe8 25.h3 Kh8 26.Be6 Re6 27.Qc4 Re1? (better is 27...f4+/–) 28.Re1+– Qc4 29.Re8 Qg8 30.Rg8 Kg8 31.c4 Kf7 32.Kf1 Ke6 33.Ke2 a5 34.a4 g6 35.Kd3 Kd6 36.Ke3 Ke6 ½–½. Yannick – BohdanL, playchess.de, 2004.

7.Be2 e5 8.Ne5 Be6 9.Nc6 bc6 10.0-0 0-0 11.d3 Qd6? (11...Bd6 12.Qc1+=) 12.Nd2 (12.Bf6 gf6 13.d4 Bb6+-) 12...Rab8 (12...d4 13.ed4 Bd4 14.Bd4 Qd4 15.Re1+=) 13.Rb1 (13.Bf6 gf6 14.d4 Ba3+-) 13...Rb7 (13...Ba3 14.Bf6 gf6 15.d4+=) 14.c4 (14.Bf6 Rb1 15.Nb1 gf6+-) 14...Rfb8 (14...d4!? 15.ed4 Bd4 16.Bd4 Rb1 17.Qb1 Qd4+/-) 15.Bf6+/- Rb1 (15...gf6!? 16.Rb7 Rb7+/-) 16.Nb1+- gf6 17.Nc3 (better 17.d4!? Ba3 18.c5 (18.Na3?! Qa3 19.cd5 cd5+/-) 18...Bc5 19.dc5 Qc5 20.Bd3+-) 17...Bb6 (17...Ba3 18.cd5 cd5 19.d4+=) 18.d4 Bc7 19.c5?? (better 19.g3 dc4 20.a4+/-) 19…Qh2 0-1. avz81 (1625) - iman_king, lichess.org, 2018.

7.Be2 Qe7 8.c4 0-0 (8...dc4 9.Bc4 e5 10.d3=+) 9.d4 Bb6 10.c5 (10.Nc3 Bd7=) 10...Ba5=+ 11.Bc3 Bc7 12.0-0 Ne4 (12...b6 13.cb6 ab6 14.Qb3=+) 13.Qc2 (13.Bb2 Rb8=) 13...f6 (13...e5 14.de5 Bf5 15.Bd3=+) 14.Bd3 f5 15.Nbd2 e5 (15...Nc3 16.Qc3 Bd7 17.Rab1=) 16.Be4 (16.Ne4? fe4 17.Be4 de4 18.Ne5 Ne5 19.de5 Qc5 20.Qb3 Rf7–+) 16...fe4 17.Ne4?? (better 17.Ne5 Ne5 18.de5 Be5 19.Be5 Qe5 20.Rab1=+) 17...de4 (17...ed4 18.Nd4 de4 19.Rac1–+) 18.Qe4 ed4 (18...Bf5 19.Qh4 Qh4 20.Nh4–+) 19.Qe7 Ne7 20.ed4 Nd5 21.Bb2 (21.Bd2 Bf5–+) 21...Bg4 22.Nd2 (22.Ne5 Be5 23.de5 Nf4–+) 22...Rae8 23.f3 Re2 24.Nc4 (24.fg4 Rf1 25.Nf1 Rb2–+) 24...Bf5 (24...Be6 25.Bc1–+) 25.Rf2 (25.Rae1 Rfe8 26.Re2 Re2–+) 25...Rfe8 (25...Bh2 26.Kf1 Re6 27.Rd1–+) 26.Re2 (26.Ne5 Nf4 (worse 26...Be5 27.de5 Re3 28.f4–+) 27.Re2 Ne2 28.Kf2 Nd4 29.Bd4 Be5 (29...Re5?! 30.Be5 Be5 31.Rd1–/+) 30.Be5 Re5–+) 26...Re2 27.Rc1 (27.Bc1–+) 27...Bd3 28.Ne5 (28.g3 Bc4 29.Rc4 Rb2–+) 28...Be5 29.de5 Rb2 30.c6 (30.Rd1 Nf4 31.Kh1 Bb5–+) 30...bc6 31.Rc6 Rb7 (better 31...Nf4 32.h4 Rg2 33.Kh1–+) 32.Rd6 Bc4 33.e6 (33.h3 Kf7–+) 33...Kf8 34.Rd7 (34.a4 Ke7 35.Rd7 Rd7 36.ed7 a5–+) 34...Rd7 35.ed7 Ke7 0–1. retiponziani (1985) – SCHACHMATT1 (2305), ChessWorld.net, 2020.

7.Ne5 0-0=+ 8.Bd3 Bd6 9.f4 Be5 10.fe5 Nd7 11.0-0 Qg5=+ 12.Rf3 Nde5 13.Rg3 Qf6 14.Bh7 Kh7 15.Rh3 Kg8 16.Qh5 Qh6 17.Be5 Qh5 18.Rh5 f6 19.Bd6 Rd8 20.Bc7 Rd7 21.Bg3 e5 22.Nc3 d4 23.Ne4 de3–/+ 24.de3 b6 25.Be1 Bb7 26.Nf2 Rc8 27.Rd1 Rd1 28.Nd1 Na5 29.Ba5 Rc2 30.Bb4 a5 31.Bc3 Rc1 32.Kf2 Rd1 33.Ke2 Rg1 (34.Bd2 Ra1–+ (34...Bg2?! 35.Kf2 Rd1 36.Bc3–+)) 0–1. Sternik,Ryszard – Deneuville,Christian, corr or01–012 E–mail, 2002.

7.Ne5 Ne5 8.Be5= 0-0 9.c4 (9.d4 Bd6=) 9...Nd7=+ 10.Bg3 (10.Bc3 dc4 11.Bc4 Qg5=) 10...Nb6 (10...d4!?=+) 11.cd5 ed5 12.Nc3 (12.d4 Bd6 13.Bd3=) 12...Re8 (12...d4 13.Nb5 Bd7 14.Qh5= (14.Nd4 Bd4 15.ed4 Re8 16.Be2 Ba4-+)) 13.Be2 (13.Nb5!?+/-) 13...d4= 14.ed4 (14.Nb5 Nd5=) 14...Bd4=+ 15.0-0 Nd5 (15...Bf5 16.Bb5 Re6 17.Qf3 Bc3 18.dc3=+) 16.Nd5 Qd5 17.Bf3 Qg5 (better 17...Qa5 18.Rb1 Qa3 19.Bb7 Bb7 20.Rb7 Qa2=) 18.Qb3?? (better 18.Qa4 Rd8 19.Rab1+=) 18...Ba1-+ 19.Ra1 Be6 (19...Qd2!? 20.h3-+) 20.Qb7-/+ Rab8?? (better 20...Qd2 21.Rd1 Qc2-/+) 21.Qa7 (better 21.Bb8 Qd2 22.Ba7+- (22.Qa7?! Qb2 23.Rd1 Rb8+/-)) 21...Qf6 (21...Rb3 22.Qa4 Rc8 23.Bf4=) 22.Rf1 (22.d4 Rbc8=) 22...Bc4 23.Bb8 Bf1 24.Kf1?? (better 24.h3=) 24...Qc6 (24...Qa1 25.Bd1 Qd1) 25.Bc6+- Rf8 26.Qe7 (26.Bd6 Rc8 27.Qd7 g5 28.Qc8 Kg7 29.Be4 Kf6 30.Qf8 h5 31.Qh6) 26...g6 27.Bd6 (27.Be5 Rb8 28.Bd5 Rb1 29.Ke2 Re1 30.Ke1 h6 31.Qf7) 27...Ra8 (27...Rb8 28.Bd5 Rb1 29.Ke2 Re1 30.Ke1 Kg7 31.Be5 Kg8 32.Qf7) 28.Bd5 Ra3 (28...Rc8 29.Qf7 Kh8 30.Qf6) 29.Qf7 (29.Qf7 Kh8 30.Qf6; 29.Qf8) 1-0. alddhsfd (2005) - hugoibanez (1915), lichess.org, 2021.

7.h3 a6 8.c4 dc4 9.Bc4 b5 10.Be2 Bb7 11.d4 Qa5?? (11...Bd6 12.Nc3=+) 12.Nbd2?? (better 12.Bc3 Qb6 13.dc5 Qc5 14.Bf6 gf6 15.Nbd2+-) 12...Be7= 13.0-0 0-0 14.Qc2 Rac8 15.Nb3 Qb6 16.Qd3 Rfd8 17.Rac1 e5 (17...Na5 18.Na5 Qa5 19.Nd2=+) 18.Qf5 ed4 19.Nbd4 Nd4 20.Bd4 Qa5 21.Rc8 Rc8 (21...Bc8 22.Qc2-/+) 22.Rd1 (22.Bf6!? Bf6 23.Bd3+=) 22...Qa3=+ 23.Bf6 (23.Ng5 g6 24.Qe5 h6=+) 23...Bf6-/+ (23...gf6? 24.Qd7 Rc2 25.Nd4 Re2 26.Ne2+-) 24.Rd7 (better 24.Ng5 Bg5 25.Qg5-/+) 24...Qc5?? (24...Rc1 25.Rd1-+) 25.Nd4?? (better 25.Qc5 Rc5 26.Rb7+-) 25...Qf5-+ 26.Nf5 Ba8 (26...Rc1 27.Kh2 Rc7 28.Rc7 Be5 29.f4 Bc7 30.g4-+) 27.Nd6 (27.Ra7!? Be4 28.Nd6-/+) 27...Rc1 28.Kh2? (better 28.Bf1 Rd1 29.Ra7-+) 28...Be5 (better 28...Bc6 29.Rc7 Be5 30.f4 Bd6 31.Rc8 Bf8-+) 29.g3?? (better 29.f4 Bf6 30.Ra7+=) 29…Rh1 0-1. amirgloo (1850) - Soulah10 (1810), lichess.org, 2020.

8.0-0 a6 9.Bc6 bc6 10.a4 a5 11.Ba3 Ba3 12.Na3 Ba6 13.d3 Qd6 14.c4 Rfb8 15.Qc2 Rb4 16.c5 Qc7 17.Rfb1 Rab8 18.Nd2 Ng4 19.g3 (19.Nf3!?+=) 19…Ne5 (19...Ne5 20.Rb4 ab4+=). Lamerdanslam (2020) – Fournier,Frederic (2370), echecsemail.com, 2008.

8.0-0 a6 9.Bc6 bc6 10.Nc3 Rb8 11.Rb1 Bd6 12.Ne2 Nd7 13.Ng3 Nc5 14.Nd4 (14.Be5 Rb1 15.Qb1 Be7+=) 14...Qc7 15.Nh5 (15.Qe2!?+=) 15...e5–/+ 16.Nb3 Bf5 (16...Nb3!? 17.cb3 Bf5–/+) 17.Nc5 (17.f4 Nb3 18.fe5 Be5 19.Be5 Qe5 20.Rb3 Be4+=) 17...Bc5–/+ 18.f4 Qd7 (18...d4 19.fe5 Qe5–/+) 19.h3? (better is 19.Ng7!? Bg4 20.Qe1 Rb2 21.Rb2 Kg7 22.fe5=) 19...d4–+ 20.Kh2 f6 21.Ng3 Be6 (21...Bg6 22.fe5 fe5 23.e4–/+) 22.fe5 (22.Ne4 Bb6 23.ed4 ef4–/+) 22...fe5 (22...de3 23.d4 Ba7 24.Bc3 Rb1 25.Qb1–/+) 23.Rf8–/+ Rf8 24.ed4 (better is 24.Qh5 Bd6 25.Ne4–/+) 24...Bd4 (better is 24...ed4!? 25.Ne4 Ba7–/+) 25.Bd4= ed4 26.Ne4 (26.Qe2 Qd6=) 26...c5 (26...Ba2 27.Rb2–/+) 27.Kg1 (27.Qe2 Bd5+=) 27...Qc6 (27...d3!? 28.cd3 Qd3–/+) 28.d3 Bd5 Black prepares the advance c4 (28...Bf5 29.Ng3+=) 29.Qg4 h6 30.Re1 c4 31.Qg3 cd3 32.cd3 Be4 33.Re4 Qc1 34.Kh2 Rf1 35.Qb8 Kh7 36.Qe5 (36.Rd4 Qe1 37.Qg8 Kg8 38.Rd8 Kh7 39.Rh8 Kh8 40.d4 Rh1) 36...Rh1 37.Kg3 Rf1 (37...Qa3?? 38.Qf5 g6 39.Qf7 Kh8 40.Re8 Qf8 41.Rf8) 38.Rd4 Qa3 39.Rd7 Qf8 40.Ra7?? (better is 40.Qe4 Kg8 41.d4=) 40...Qf2–+ 41.Kh2 Qa7 (41...Qa7 42.d4 Rd1–+) 0–1. Campos Calvo_Sotelo,Juan (2025) – Hadrych,Craig (1820), 10th Gibraltar Challengers–B, 2012.

8.0-0 a6 9.Bc6 bc6 10.c4 Rb8 11.Qc2 Bd6 12.c5 Bc5 13.Qc5 Rb2 14.Qc6 Bd7 15.Qa6 Bb5 16.Qb7 Qb8 17.Qb8+= Rb8 18.Rc1 Bd3 19.Nc3+= Ne4 20.Nd1 R2b3 21.a4 Ra8 22.Rc7 f6 23.Nd4+/– Rb6 24.a5 Nd6 25.Ne6+– Ne8 26.Rc8 Rba6 27.Ra8 Ra8 28.Nc5 Bf5 29.Nc3 Nc7 30.d4 Kf8 31.f3 Na6 32.Nd5 (32...Nc5 33.dc5+–) 1–0. MrkT – jtab, internet, 2005.

8.0-0 a6 9.Bc6 bc6 10.Bd4 Bd6 11.Be5 Be5 12.Ne5 Qd6 13.d4 c5 14.Nd2 Nd7 15.Ndf3 f6 16.Nd7 Bd7 17.c4 Bc6 18.dc5 Qc5 19.Nd4 Qd6 20.Qf3 Rac8 21.c5 Qe7 22.Rfc1 Rfd8 23.Rab1 Rd7 24.Rb6 Rdc7 25.Ra6 g6 26.a4 e5?? 27.Nc6+– Rc6 28.Rc6 Rc6 29.Qd5 Re6 30.c6 Kg7 31.c7 (31...Rd6 32.Qb7+–) 1–0. Trkn – SacriFish, ICC, 2004.

8.0-0 Qb6 9.Bf6 (9.Nc3 a6 10.Bc6 Qc6= (10...Qb2? 11.Na4 Qa1 12.Qa1+–; worse is 10...bc6 11.Na4 Qa5 12.Nc5 Qc5 13.Bf6 gf6 14.d4+=)) 9...Qb5+= (9...gf6?! 10.Nc3=) 10.Nc3 Qa5 11.Be5 Ne5 (worse is 11...Ba3 12.Bd6 Bd6 13.Ra5 Na5 14.Qe2=) 12.Ne5 f6 13.Nd3 Bb6 (13...Ba3? 14.Nb1+–) 14.Qh5 Bd7 15.Nf4 Bc7 16.Rab1 Rab8 17.Rb3 b5 18.Nfd5? (better is 18.Qg4!?=) 18...ed5–/+ 19.Qd5 Rf7 20.Rfb1 a6 21.a4 b4 22.Qc4 (22.R3b2!?–/+) 22...Bd6–+ 23.Qh4 Rc8 24.Ne4 (24.Rb4 Bb4 25.Rb4 Bf5–+) 24...Be7 25.c3 Ba4 (better is 25...f5 26.Ng5 h6 27.Qd4 Bg5 28.Rb4–+) 26.cb4 Qd5 27.Rc3 Rc3 28.Nc3 Qd3 29.Ra1 Bc6 30.h3 f5 31.Qf4 Bd6 32.Qg5? (32.Qd4 Qd4 33.ed4 Re7–+) 32...Qd2 (better is 32...Bb4!? 33.Qf4 a5 34.Qb8 Rf8 35.Qc7–+) 33.Rd1 Qc3 34.Rd6 Qa1 35.Kh2 Qe5 36.Qf4 (36.Qg3 Qb5–+) 36...Qf4 37.ef4 Bb5 38.Kg3 Rd7 39.Rb6 (39.Rd7 Bd7 40.f3 Kf7–+) 39...Rd4 40.Kf3 Rd3 (40...Rd3 41.Ke2 Rd6 42.Rb5 ab5–+; worse is 40...Rb4 41.Ke3–+) 0–1. Baranyi,Jozsef – Hidegh,Eszter (2100), Miskolc Avas op, 2004.

8.0-0 Bd6 9.Qe2 a6 10.Bc6 bc6 11.Be5 a5 12.Nc3 Ba6 13.d3 Qc7 14.Bf6 gf6 15.a4 Kh8 16.Rfb1 Rg8 17.Rb3 Rg7 18.Rab1 Rag8 19.g3 e5 20.Nh4 e4 21.Nf5 Rg5 22.Nd6 Qd6 23.Qd2 ed3 24.cd3 Bc8 25.Rb6 Bg4 26.Ra6 Bf3 27.Nb5 Qd7 28.Nd4 Qg4 29.Rc6 h5 30.Rf6 h4 31.Rf3 Rh5 32.Rf7 hg3 33.fg3 Qg6 34.Rbb7 Rh3 35.Nf5 Rh5 36.Qc3 1–0. pozarski (1985) – Opilec (1800), GameColony.com, 2002.

8.0-0 Bd7 9.c4 Rc8 10.cd5 ed5 11.Nc3 a6 12.Ba4 b5 13.Bc2 Na5 14.Rc1 (better 14.d3!?=+) 14...Nc4-/+ 15.Ba1 Ba3 16.Rb1 b4 (16...Bd6 17.Bb3-+) 17.Ne2 a5 18.Nf4 (18.d3 Nb6 19.Bd4-/+) 18...Ra8 (18...Bg4!?-/+) 19.Bf6 Qf6 (worse 19...gf6 20.Nd4 (worse 20.Nd5 Bb5-/+) 20...f5 21.Nd5+=) 20.Nd5 Qc6?? (20...Qd6 21.Bh7 Kh8 22.Ng5-/+) 21.Be4 (better 21.Ne7 Kh8 22.Nc6 Bc6 23.Ng5+-) 21...Qe6?? (better 21...Qd6 22.d3 Nb2=+) 22.d3 Kh8? (22...Nb2 23.Rb2! Bb2 24.Nc7+=) 23.Ng5 (23.Nc7 Qd6 24.Na8 Nb2+-) 23...Qe8?? (better 23...Qh6 24.dc4 Qg5 25.Nb4 Bg4+/-) 24.Qh5 (24.dc4!? Bc6 25.Nc7 Qe7 26.Na8 Be4 27.Ne4 Qe4+-) 24...h6 25.Rfc1 (25.Nf6 Qe7 26.Nd7+- (26.dc4?! Qf6 27.Nf7 Qf7 28.Qf7 Rf7 29.Ba8 Ba4+/-)) 25...f5-/+ (25...Bc1 26.Nf6 Qe7 27.Nd7 Qd7 28.Rc1=+) 26.Qe8 Rae8 (26...Rfe8 27.Rc4 hg5 28.Bf3-/+) 27.Rc4=+ hg5 28.Bf3 Bb5 (28...Rb8 29.Rc7 Rfd8 30.Ne7-/+) 29.Rd4 Rd8 30.Ne7 (30.h3 Kh7=+) 30...Kh7 (30...Rd4 31.ed4 Rd8 32.Nc6 (32.Nf5?? Bd3 33.Re1 Bf5-+) 32...Bc6 33.Bc6 Rd4 34.Rb3-+) 31.Rd8 (31.Nf5!? Bd3 32.Rd1 Rd4 33.Nd4=+) 31...Rd8-/+ 32.d4 Bd3 33.Ra1 a4 34.Bd1? (better 34.g4-/+) 34...Bb5?? (better 34...b3!? 35.Bb3 ab3 36.Ra3 Rb8 37.Rb3 Rb3-+) 35.g3? (35.Nf5 b3 36.g4 b2-+) 35...Bb2 (35...g6 36.h3-+) 36.Rb1? (better 36.Ra4 Ba4 37.Ba4=+) 36...a3-+ 37.Bb3 Bd3 (37...Ra8 38.Nd5 Ba4 39.Ba2-+) 38.Rd1 Be4 39.Nd5?? (better 39.f3 Bf3 40.Rf1-+) 39…g4 (39...g4 40.Nb6 Kg6-+) 0-1. onxisback (2105) - hunc (1985), Rated Bullet game, lichess.org, 2014.

8.0-0 Bd7 9.d4 Bd6 10.Nbd2 a6 11.Be2 Rc8 12.c4 b6 (12...dc4!? 13.Nc4 Be7=) 13.cd5+/– Nd5 14.Ba6 Rc7 15.Bd3 Qe7 16.Nc4 f6 17.Nd6 (17.e4 Nf4+–) 17...Qd6+/– 18.Rc1 Rfc8 19.Nd2 e5 (19...Be8!?+/–) 20.Nc4 Qe7 (20...Qe6 21.e4 Nf4 22.Nb6 Nd4 23.Nc8 Rc8 24.Rc8 Bc8 25.Re1+–) 21.Be4 b5 1–0. Pcmvr – Don_Quixote, playchess.de, 2004.

8.0-0 Bd7 9.d4 Bd6 10.Nbd2 Rc8 11.c4 dc4 12.Bc4 Ne7 13.Ne5 Be5 14.de5 Nfd5 15.Rc1 Bc6 16.Qe2 Qb6 17.Bd4 Qa5 18.e4 Nb6 19.Qe3 Nc4 20.Nc4 Qa4 21.Ba7 Bb5 22.Nb2 Rc1 23.Rc1 Qa6 24.Bc5 Rc8 25.Be7 Rc1 26.Qc1 h6 27.Qc8 Kh7 28.Qc5 Qc6 29.Qc6 Bc6 30.f3 Kg6 31.Nc4 f5 32.ef5 Kf5 33.Bf8 Kg6 34.Kf2 Kf7 35.Bc5 Bd5 36.Nd6 Kg6 37.a4 Kg5 38.Ke3 h5 39.g3 Kg6 40.f4 h4 41.a5 hg3 42.hg3 Kh5 43.f5 ef5 44.Nf5 g6 45.Kd4 Bc6 46.Nd6 Kg4 47.e6 Kg3 48.e7 Kf4 49.Nb7 g5 50.a6 g4 51.a7 Bb7 52.e8Q g3 53.Qh5 1–0. fuiste – astral, ajedrez21.com, 2001.

8.Nc3 a6 9.Bc6 bc6 10.Na4 Be7 11.Rb1 Rb8 12.Bf6 Rb1 13.Qb1 Bf6 14.Qb4 Be7 15.Nc5 a5 16.Qc3 Qb6 17.Nb3 a4 18.Nc1 Qc5 19.Na2 Qa3 20.Qa3 Ba3 21.Nc3 Ba6 22.Na4 Rb8 23.Nc3 c5 24.h3 Rb2 25.Kd1 e5 26.Ne5 d4 27.ed4 cd4 28.Re1 dc3 29.dc3 f6 30.Nd3 Bd3 31.cd3 Rf2 32.Re2 Re2 33.Ke2 Kf7 34.d4 f5 35.c4 h5 36.Kd3 Ke6 37.Kc3 h4 38.Kb3 Bc1 39.Kc2 Be3 40.Kd3 Bf2 41.Kc3 g6 42.Kd3 g5 43.Kc3 g4 44.Kd3 g3 45.d5 Ke5 46.Ke2 Bc5 47.Kf3 Ba3 48.Ke2 Ke4 49.Kd2 0–1. Comet B25 – Fritz 5.32, 2002.

8.Bc6 bc6 9.Nd4 Bd7 10.Nf3 =+.

8.Bc6 bc6 9.Nd4 e5 10.Nc6 Qb6 11.Nb4 d4 12.ed4 ed4 13.0-0 Bg4 14.Qc1 (14.Qe1 Rac8 15.f3 Bf5–+ (15...Bb4?! 16.ab4 Rc2 17.Na3 Rb2 18.Nc4 Qb4 19.Nb2=)) 14...Rfe8 (Better is 14...Be2–/+) 15.d3?? (Better is 15.Re1=+) 15...a5–+ (15...Bb4?! 16.ab4 Qb4 17.Na3=+) 16.Na2 (16.c3 dc3 (16...Bb4?! 17.cb4 Be2 18.Re1=+; 16...ab4?! 17.cb4 Bd6 18.Qc4–+) 17.Bc3 ab4 (17...Bb4?! 18.ab4 ab4 19.Ra8 Ra8 20.Qb2=) 18.ab4 Bb4 19.Ra8 Ra8 20.Bf6 gf6–+ (20...Qf6?! 21.Qc4 Be2 22.Qe4 Bf1 23.Qa8 Bf8 24.Kf1–+)) 16...Rab8 17.h3 (17.Bd4 Bd4 18.c3 Rbc8–+) 17...Be6 (17...Be2 18.Nd2 Qb2 19.Nc4 Qc1 20.Rfc1–+ (20.Nc1?? Bf1 21.Kf1 a4–+)) 18.Nd2 (18.Bd4 Bd4 19.c3–+) 18...Qb2 19.Qb2 (19.c4 Bf5 20.Qb2 Rb2–+) 19...Rb2 20.Nc4 (20.Nc1 a4–+) 20...Rc2 21.Rfc1 Rc1 22.Nc1 Bc4 23.dc4 Re1 24.Kh2 d3! 25.Rb1 d2 (26.Nb3 Rb1 27.Nd2 Rb2–+) 0–1. Staats,Carsten – Baumann,Heinz, RSX9E – A00 – Sokolsky–1, 2002.

8.Bd3 d4 9.ed4 Bd4 10.Nd4= Nd4 11.Nc3 b6 12.Ne2 Ne2 13.Qe2 Bb7 14.Qe5 Qd5 15.Qg3 e5 16.0-0-0 Rfe8 17.Rde1 Nh5 18.Qh4 g6 19.Be4 Qc4 20.g3 Rac8=+ 21.Bc3 Be4 22.Re4 Qc6 23.Rhe1= f6 24.Rg4 b5?? 25.Qh5+– f5?? 26.Qf5 a5 27.Qe4 Qe6 28.Qe5 Qe5 29.Re5 b4 30.Re8 Re8 31.ab4 a4 32.Kb2 Re2 33.Rf4 Re8 34.Ka3 (34...Rb8 35.Ka4 Ra8 36.Kb3+–) 1–0. Ridings – Nichols, Maryland USA, 1980.

8.Bd3 d4 9.ed4 Nd4 10.0-0 =+.

8.Bd3 Bd6 9.c4 =+.

8.d4 Bd6 9.0-0 Qc7 10.c4= dc4 11.Bc4 Ne7 (11...a6 12.Bd3=) 12.Nbd2 a6 13.Rc1 Qb8 14.e4 Bf4 15.Re1 b5 16.Bd3 Bb7 17.Rc2 Ng4 18.h3 Bh2 (18...Nh2!?+=) 19.Kh1. craig4000 (2040) - kianas (2095), ChessWorld.net, 2012.

8.Ba4 b5 9.Bb3 0-0 10.a4 b4 11.0-0 =+.

8.Ba4 b5 9.Bb3 h6 10.0-0 Bb7 11.d4 Bd6 12.a4 0-0 13.Nbd2 Qc7 14.Rc1 Ne4 15.h3 Nd2 16.Qd2 ba4 17.Ba4 Ne7 18.Qd3 Bc6 19.Bb3 Bb5 20.c4= dc4 21.Bc4 Qb6 22.Bb5 ab5 23.Ra1 b4 24.Nd2 Rfb8 25.Rfd1 Ra1 26.Ra1 b3 27.Ra6+/– Qc7 28.Nb3 Nd5 29.Ba3 Nb4 30.Bb4 Rb4 31.Ra8 Rb8 32.Rb8 Qb8 33.f4 Qb4 34.Kf2 g6 35.g4 Qa4 36.Kf3 Qc6 37.e4 f5 38.d5 fe4= 39.Qe4 ed5?? 40.Qg6+– Kf8 41.Qh6 Kf7 42.Qh7 Ke8 43.Qd3 Kf7 44.Nd4 Qc1 45.Ne2 Qh1 46.Kg3 Qe1 47.Kg2 d4 48.Nd4 Bb4 49.g5 Bc3 50.Nf3 Qa1 51.Kg3 Be1 52.Ne1 Qe1 53.Kg4 Qg1 54.Qg3 Qd1 55.Kh4 Kg6 56.Qg4 Qe1= 57.Qg3 Qe2?? 58.f5! Kf5 59.g6 Qe7 (60.Kh5 Qb7+–). wlittle (2180) – cirovicz (2315), net–chess.com, 2004.

8.Ba4 Bd7 9.0-0 b5 10.Bb3 Bd6 11.d3 0-0 12.Nbd2 e5 13.c4 dc4 14.dc4 Re8 15.cb5 ab5 16.Qe2 Bg4 17.h3 Bh5 18.Qb5 Na5 19.Ba2?? Rb8–+ 20.Qa4 Rb2 21.Rfd1 e4 22.Nc4 Nc4 23.Bc4 ef3 24.Rd4 Qe7 25.g4 Bg6 26.Rad1 Bc2 (27.Qc6 Be5–+) 0–1. wlittle (2270) – joecool (2110), net–chess.com, 2003.

8.Bc6 bc6 9.0-0 0-0 10.c4 Rb8 11.Qc2 Bd6 12.c5 Be7 13.Be5 Rb5 14.Nc3 Rc5=+ 15.Rfb1 Bd6 16.Bd4+= Ra5 17.Bb6+/– Bc7 18.Ba5 Ba5 19.Na4 Ne4 20.d3+– Ng5 21.Ng5 Qg5 22.Qc6 f5?? 23.Rb8 f4 24.Rc8 Qf6 25.Rf8 Kf8 26.Qd6 Kg8 27.Rc1 fe3 28.Rc8 Kf7 29.Rf8 Kg6 30.Rf6 Kf6 31.fe3 g6 32.Nc5 h5 33.Ne6 Bc3 34.Nf4 Kf5 35.Qg6 Ke5 36.Qe6# 1–0. Johnston,R – Quendun,R, Grand Rapids–ch MI amateur, 1989.

8.Be2 b5 9.0-0 (9.a4 b4+=) 9...Bb7 (9...0-0 10.a4 b4 11.c3=) 10.d4 Bd6 11.Nc3 (11.a4 b4=) 11...Qc7 (11...0-0 12.Bd3+=) 12.g3 (12.a4 b4 13.Na2 0-0+=) 12...Qd7 (12...0-0 13.Rb1–/+) 13.Qd3 (13.a4 b4 14.Na2 a5–/+) 13...0-0 14.h4 (14.Nb1 Rfc8–/+) 14...Rfe8 15.e4 (15.Nd1–/+) 15...b4 (better is 15...de4 16.Ne4 Ne4 17.Qe4 Nb4–+) 16.e5+= Ng4 (better is 16...bc3 17.Bc3 Be7 18.ef6 Bf6+=) 17.Ng5 (17.ed6?! bc3 18.Bc3 Qd6=) 17...g6 (17...f5 18.Nd5 (worse is 18.ed6 bc3 19.Bc3 a5=) 18...ba3 19.Bc3 ed5 20.Bg4+= (20.ed6?! Nf6+=)) 18.Bg4 bc3 19.Bc3 Bc7 (19...Be7 20.Rfb1+/–) 20.h5 (20.Rfb1 Rab8+/–) 20...Bd8 (20...Rab8 21.hg6 hg6 22.Rab1+/–) 21.Bd2 Bg5 (21...a5 22.hg6 hg6 23.Rfb1+=) 22.Bg5+– Ne7 (22...gh5 23.Bf6 h6 24.Qe3+– (worse is 24.Bh5 Reb8+–)) 23.hg6 (23.Rfb1 gh5 24.Bh5 Reb8+–) 23...fg6 24.Bf6 (24.Rfb1 Bc6+–) 24...Nf5 25.Bf5 (25.Rfb1 Bc6+–) 25...ef5+/– 26.Qf3 Rac8 27.Rfc1 Qa4 28.Qe3 Rc2? 29.Rc2 Qc2 30.Qh6?? Qc7+/– 31.Rc1 Qd7 32.Rc5 Rc8?? 33.Rc8 Bc8 34.e6! (34.e6 Qb7 35.e7 Qb1 36.Kh2 Qh1 37.Kh1 Kf7 38.Qf8 Ke6 39.e8Q#) 1–0. Wall,Bill – Pyro, internet, 2001.

8.0-0 a6 9.Ba4 b5 10.Bb3 Rc8 11.d4 Bd6 12.Nbd2 Na5 13.Ba2 Nc4 14.Nc4 bc4 15.c3 0-0 16.Bb1 Rb8 17.Qe2 Ba4 18.h4 (18.Re1 Rb5 19.Bc1 Qa5-/+) 18...h6 19.Ne5 Nd7 (19...Be5 20.de5 Nd7 21.e4-+) 20.Nd7-/+ Qd7 21.Ra2 (21.e4 Rb3-/+) 21...Qb5 (21...Rb5 22.Bc2 Bc2 23.Qc2-+) 22.Qg4 Qb3 (22...f5!? 23.Qh5 Bb3-+) 23.e4-/+ Qb6 (better 23...Qb5-/+) 24.Bc1?? (better 24.ed5 ed5 25.Qf5=) 24...Kh7 (24...Qb1 25.Re2 f5 26.ef5 Qf5 27.Qf5 ef5 28.Re6-+) 25.e5?? (better 25.Rb2 Qa5 26.e5 Kh8 27.ed6 Qc3 28.Qh5 Qb2 29.Bb2 Rb2 30.f4+-) 25...Qb1-+ 26.Bh6 (26.Qe2 Bc7 27.Bh6 Qb3-+ (27...Kh6?! 28.Rb1 Rb1 29.Kh2-+)) 26...Qg6 (better 26...Qf1! 27.Kf1 Rb1 28.Bc1 Rc1 29.Ke2 Bd1 30.Kd2 Bg4 31.Kc1 Be7-+) 27.Qg6 fg6 28.Bg7 Kg7 29.ed6 Rb3 30.Rc1 Rd8 31.g3 Rd6 32.Rcc2 (32.Kg2-+) 32...Rb1 33.Kg2 Bc2 34.Rc2 Rdb6 35.Re2 Kf7 36.Kh3 (36.Re3 R6b3 37.Rf3 Ke7-+) 36...R1b2 37.Re3 Rf2 38.Kg4 Rb8 39.Kg5 Rh8 (better 39...Rf5 40.Kg4 Rb3-+) 40.Re5 (40.g4 Rg2 41.Rf3 Kg7-+) 40...Rf5 (40...Rh5 41.Kg4 Re5 42.de5 d4 43.cd4 c3 44.h5 gh5 45.Kg5 c2 46.g4 c1Q 47.Kh4 Qf4 48.Kh5 Rh2) 41.Rf5 ef5 42.Kf4 Re8 43.g4 (43.a4 Re1 44.Kf3 Rc1-+) 43...Re1 (better 43...Re4 44.Kg3 Rg4 45.Kf2 Rh4 46.Ke3 f4 47.Kf2-+) 44.gf5 gf5 45.Kf5 Rf1 (better 45...Re3 46.h5 Rc3-+) 46.Ke5 Rh1 (better 46...Rf3 47.Kd5 Rc3 48.a4-+) 47.Kd5 Rh4 48.Kc4 Rh3 49.Kb4 Ke7 50.c4 Kd8 51.d5 Kc7 52.c5 (52.a4-+) 52...Rh4 53.Ka5 Rh3 (53...Rc4 54.Ka6 Rc5 55.d6 Kd6 56.Kb6 Rc3 57.Kb5 Ra3 58.Kc4 Ra4 59.Kc3 Kd5 60.Kd3 Ra3 61.Ke2 Kd4 62.Kf2 Ke4 63.Ke2 Ra2 64.Kd1 Rf2 65.Ke1 Ke3 66.Kd1 Kd3 67.Kc1 Rg2 68.Kb1 Kc3 69.Ka1 Kb3 70.Kb1 Rg1) 54.a4?? (54.Kb4 Rd3 55.Kc4 Ra3 56.Kd4-+) 54...Ra3 55.Ka6 Ra4 56.Kb5 Rd4 57.d6 Kd7 58.Kb6 Rd6 (58...Rb4 59.Ka5 Rb7 60.c6 Kc6 61.Ka4 Kd6 62.Ka5 Kc5 63.Ka4 Rb8 64.Ka3 Kc4 65.Ka2 Kc3 66.Ka1 Kc2 67.Ka2 Ra8) 59.Kb5?? (better 59.cd6 Kd8 60.d7 Kd7=) 59...Rd5 60.Kb6 Rc5 (better 60...Rd2 61.Kb5 Rc2-+) 61.Kc5= ½-½. bazilishek (1695) - Winnipyro (1720), lichess.org, 2020.

8.0-0 a6 9.Be2 b5 10.d3 Qe7 11.Nbd2 e5 12.Nb3 (12.d4 ed4 13.ed4 Bd6=) 12...Bd6+= 13.c4 e4 (13...0-0 14.c5 Bc7 15.d4+=) 14.de4 (14.cd5!? Nd5 15.de4 Qe4 16.Ng5+/– (worse is 16.Bg7 Rg8 17.Ng5 Qf5+=)) 14...de4 (14...dc4!? 15.Nbd2 Rd8+=) 15.Nfd4 Nd4 16.Nd4 Qe5 17.g3 Qe7 (better is 17...bc4!? 18.Bc4 Qe7=) 18.cb5+/– ab5 19.Bb5 (19.Nb5!? Be5 20.Be5 Qe5 21.Qd4 Qd4 22.Nd4+/–) 19...0-0+= (19...Ba3 20.Nf5 Qc5 21.Ng7 Kf8 A) 22.Bf6?! Bb5 23.Qc1 Rc8 (23...Bc1?? 24.Ra8 Qc8 25.Rc8 Be8 26.Re8) 24.Qc5 Bc5+–; B) 22.Ra3 Ra3 23.Bf6 Qb5 24.Qd6 Kg8 25.Qa3+–) 20.Bd7 Qd7 (20...Nd7?? 21.Nf5 Qe6 22.Nd6+– (22.Qd6?! Qf5 23.Rad1 Rfb8+/–)) 21.Nb5 Qh3?? (better is 21...Qb5 22.Bf6 Be5+=) 22.Bf6+– (22.Nd6? Ng4 23.Qg4 Qg4–+; 22.Qd6?? Ng4 23.Qf8 Rf8 24.Rfd1 Qh2 25.Kf1 Qf2) 22...gf6 23.Qd6 Kg7 24.Qf4 Rae8 25.Nd6 Re5 26.g4 Rg5 27.Kh1 Rg4 28.Rg1 Rg1 29.Rg1 Kh8 30.Qf6 1–0. Fournier,Frederic – pochek, Active, 2007.

8.0-0 Ne5 9.Bd7 (9.Be5 Bb5 10.Re1 0-0=) 9...Ned7 10.Nc3 0-0 11.Qe2 Rc8 12.e4 de4 (12...d4 13.Na4 e5 14.c3+=) 13.Ne4 Ne4 14.Qe4 Be7 15.Bc3 (15.Rab1 b6=) 15...b6 16.Nd4 (16.Qa4 Bf6=) 16...Nf6+= 17.Qb7 (17.Qf3 Qd5–/+) 17...Rc7–/+ 18.Qf3 Nd5 (18...Qd5 19.Qd3–/+) 19.Bb2 (19.Rfd1 Qd7+=) 19...Bf6–/+ 20.Rac1 Ne7 21.c3 Bd4 (21...Qd7 22.Rfe1–/+) 22.cd4+= Rc1 23.Rc1 Nd5 24.Qg4 (24.Qd3 Qd7+=) 24...b5 (24...Qd7+=) 25.a4 (25.Qe2!?+=) 25...b4 (25...ba4 26.Ba3 Re8 27.Bc5–/+) 26.Rc5 Qd7 27.Rb5 (better is 27.Qd1!?–/+) 27...a6–+ 28.Ra5 Qc6 29.Qd1 Nf4 30.f3 Nd3 (30...Qc4 31.Rc5 Qa2 32.Qa1–+) 31.Qb3 Nb2 32.Qb2 Rb8 33.Kf2 b3 34.h4 Qc4 35.Ke3 Rc8 36.Rc5 Rc5 37.dc5 Qc5 38.Kd3 Qb4 39.a5 h6 40.f4 Qf4 41.Qb3 Qf5 42.Ke3 Qa5 43.Qb8 Kh7 44.Qd6 h5 45.Qd3 Kh6 46.Qd6 Kg6 47.Qg3 Kf6 48.Qf4 Qf5 (48...Qf5 49.Qc4 Qg4 50.Qf1 Kg6 51.Qb1 f5–+) 0–1. Scheepers – Roos, email CTON, 1996.

8.d4 Qa5 9.Nc3 Bd6 10.Qd2 0-0 11.0-0 a6 12.Bd3 e5.

8.d4 Qb6 9.Nc3 Bd6 (9...Be7 10.Rb1 0-0 11.0-0 Qa5 12.Bd3 a6) 10.Rb1 Ne4 11.0-0 0-0 12.Bd3 f5.

8.d4 Bd6 9.0-0 Qb6 10.Bc6 (10.a4 Rc8=+ 11.Ba3 Ba3 12.Ra3 Na5) 10...bc6 (10...Bc6 11.Qc1–/+ 0-0 12.Nc3 Rfc8) 11.Ra2 Ne4 (11...Bc8!? 12.Nbd2 (12.Ne5 Ba6) 12...Ba6=+) 12.Nbd2 (12.Nc3 Qc7) 12...Nd2 13.Nd2 (13.Qd2 0-0=) 13...0-0 14.c4 c5 (14...Qa6 15.a4=+) 15.dc5 (15.Qh5 h6=+) 15...Bc5 (15...Qc5 16.a4=+) 16.Qg4 f6 17.cd5 (17.Bd4 Bd4 18.Rb1 Qc5 19.ed4 Qc6=+) 17...Qd6 (17...Rad8 18.Bd4 e5 19.Bc5 Qc5 20.Qb4 Qd5 21.Rb2=+) 18.Ne4 (18.Bd4!? Bd4 19.Qd4 Qd5 20.Qd5 ed5 21.h3=) 18...ed5=+ 19.Nd6 Bg4 20.Nb5 Bb6 (20...Be2!? 21.Rc1 Rfc8=+) 21.Bd4= Be6?? (better 21...Bd7 22.Nc3 Bd4 23.ed4 Rfd8=) 22.Bb6+– ab6 (22...d4 23.Raa1 ab6 24.Nc7+–) 23.Nc7 Bf7 (23...Kf7 24.Na8 Ra8 25.Rb2+–) 24.Na8 Ra8 25.Raa1 Ra6 (25...b5 26.f3+–) 26.Rfd1 Kf8 27.Rd4 (27.Rdc1 Be8+–) 27...Ke7 28.f3 Ke6 (28...Be6 29.Rd3+–) 29.Kf2 Ra5 (29...Bg6 30.Rad1 Ra5 31.Rb4+–) 30.Rb4 b5 31.Ke2 Kd6 32.Kd3 Be8 33.Kd4 Ra7 34.Rb3 (34.Kc3 Re7 35.Re1 Kc5+–) 34...Ra4 35.Rb4 Ra7 36.g4 (36.Kc3 Re7 37.Re1 Bc6+–) 36...Rc7 37.Ra2 Rc1 38.Rb3 (38.Rf2 Bg6+–) 38...Rd1? (better 38...Bg6!? 39.e4 de4+=) 39.Rd3+– Rc1 40.e4 de4 (40...Bg6 41.Ke3 Ke7 42.Rad2 (42.Rd5?! Bf7+=) 42...de4 43.fe4 Re1 44.Re2+–) 41.Ke4 Ke6 (41...Kc5 42.Kf4+–) 42.Re2 Rc4 (42...Kf7 43.Ree3+–) 43.Rd4 Rc3?? (43...Rc1 44.Rdd2+–) 44.Kf4 (better 44.Rd8 Ra3 45.Re8 Kf7 46.Rb8+–) 44...Kf7 45.Re3?? (better 45.Rde4 Bc6 46.R2e3 g5 47.Kg3 Re3 48.Re3+–) 45...g5–+ 46.Ke4 Bc6 47.Rd5 Re3 48.Ke3 Bd5 0–1. carlog (1770) – strikerx (1755), gameknot.com, 2010.

8.d4 Be7 9.Nc3 0-0 10.0-0 a6 11.Bd3 Qb6 12.Na4 Qa5 13.c3 (13.Nc3 Bd6=) 13...b5 (better is 13...Nd4!? 14.cd4 Ba4–/+) 14.Nc5= Bc5 15.dc5 e5 16.Bc2 Rac8 17.Bb3 (17.h3 Rfe8 18.Nd2 Ne7+=) 17...Be6 18.Qe2 (18.Ng5 Ne7=) 18...e4 (18...Ne4!?–/+) 19.Nd4+= Ne5 (19...Nd7 20.a4 b4 21.Qe1 bc3 22.Bc3 Qc5 23.Rc1–/+) 20.c6 (20.a4 ba4 21.Ra4 Qc7 22.Ra6 Nfd7 23.Ne6 fe6 24.Re6 Nc5 25.Bd5 Kh8 26.Re5 Qe5+/–) 20...Qc7 (20...Nc6 21.Qd2 Nd4 22.Qd4 Qc7–/+) 21.Ne6?? (better is 21.a4 Nc6 22.ab5 (worse is 22.Ne6 fe6 23.ab5 ab5–/+) 22...Nd4 23.cd4 ab5 24.Ba3= (24.Qb5?? Rb8 25.Qa4 Qb6–+)) 21...fe6–+ 22.a4 (better is 22.h3–+) 22...Nd3?? (better is 22...Nfg4 23.g3 Nf3 (23...Qc6?! 24.ab5 ab5 25.h3 Nf3 26.Kh1–+) 24.Kg2 Nfh2 25.ab5 ab5–+) 23.Ba3+= Rfe8 24.ab5 ab5 25.Ra2 (better is 25.Bc2!?+=) 25...Qc6–/+ 26.Rc2 Qa6 27.Bb4 Nb4 28.cb4 Rc2 29.Qc2 Rc8 30.Qb2 Qd6 31.Qd2 (31.Bd1!?–/+) 31...Ng4–+ 32.g3 Rf8 33.h3 Ne5 34.Kg2 Nf3 (34...Rc8!? 35.Bd1–+) 35.Qc3 Qd7 36.Bd1 Ng5 37.Bg4 Nf3 38.h4 Qe7 (38...Rc8 39.Qb2–/+) 39.Rc1 (39.Qc6!? Kf7 40.Ra1=) 39...Qf7–/+ 40.Rc2 h5 41.Bf3 ef3 (41...Qf3 42.Kh2–/+) 42.Kg1 Qf5 43.Kh2 Qe4 44.Qc6 (44.Rc1+=) 44...Rf6 (44...Kh7 45.Rc1 Qb4 46.Qe6–/+) 45.Qc3 (better is 45.Qe8!? Rf8 46.Qc6=) 45...Qc4–/+ 46.Qc4 dc4 47.Rd2 (47.g4 hg4 48.Kg3 e5–/+) 47...Kf7 (47...Rf8 48.g4 hg4 49.Kg3–+) 48.Rd7 (better is 48.g4!? hg4 49.Kg3–/+) 48...Kg6–+ 49.Rb7 Rf5 (49...Rf7 50.Rb5 Rc7 51.Rg5 Kf6 52.b5–/+ (52.Rh5?? c3 53.Ra5 c2–+)) 50.Rb6 Kf6 (50...Rf7 51.Rb5 Rc7 52.Ra5–+) 51.Kh3 (51.g4!? hg4 52.Kg3–/+) 51...Rd5–+ 52.g4 hg4 (52...Rd8 53.Rb5 Rc8–+) 53.Kg4= Rd2 54.Kf3 Ke5 55.Rb5 Rd5?? (55...Kd6 56.e4+=) 56.Rb7 (56.Rd5 ed5 57.Ke2+–) 56...g6 (56...Kd6 57.Rg7 Rb5 58.h5 Rh5 59.Rg4+/–) 57.b5 (better is 57.Rc7+–) 57...Rc5 58.b6 c3 59.Rc7 Rc7?? (better is 59...Rb5+=) 60.bc7+– 1–0. workchess (2220) – chaman, net–chess.com, 2015.

8.d4 Bf8 A) 9.Bd3 Qb6 (9...Bd6 10.Nc3 0-0 11.0-0 a6 12.e4 de4; 9...Be7 10.Nc3 Qb6 11.Rb1 0-0 12.0-0 Qa5) 10.Qc1 Bd6 11.Nbd2 Na5 12.Ne5 Bb5; B) 9.0-0 Qb6 (9...Bd6 10.c4 a6 11.Bc6 Bc6 12.c5 Bc7; 9...Qc7 10.Nc3 Be7 11.Bd3 0-0 12.Qd2 a6) 10.Nc3 a6 11.Be2 Bd6 12.Rb1 Qc7; C) 9.Nbd2 Qb6 (9...Bd6 10.Bd3 b5 11.Bb5 Rb8 12.c4 a6) 10.c4 dc4 11.Qa4 a6 12.Bc6 Bc6; D) 9.Nc3 Be7 (9...h6 10.0-0 Be7 11.Bd3 0-0 12.e4 Qa5; 9...Qa5 10.0-0 Bd6 11.Bd3 0-0 12.e4 Be7) 10.0-0 0-0 11.Bd3 Qa5 12.Ne5 Rfd8.

9.d3 a6 10.Bc6 Bc6 11.Nbd2 Bd6 (11...Rc8 12.Bd4 Bd4 13.Nd4=+) 12.c4= dc4 13.Nc4 Bc7 14.e4 b5 15.Ne3 Qb8 (15...Rc8 16.Rc1=) 16.Rc1 Bd7 17.Bf6 gf6 18.h3 Bf4 19.Qe2 (19.d4 Rd8+=) 19...f5 (19...Qd6 20.Rc3=) 20.ef5+= ef5 21.Rc5 (21.d4 Re8+=) 21...Bd6 22.Rc3 Be6 Black prepares the advance b4 23.Rfc1 a5 Black plans b4 24.Ng5 h6 25.Nf3 (25.Ne6 fe6 26.d4 Qe8+=) 25...b4 26.ab4 ab4 27.Rb1?? (better 27.Rc6 Ra2 28.R6c2=) 27...bc3-+ 28.Rb8 Ra1 (28...Rfb8?! 29.Qe1-/+; 28...Rab8 29.Qd1 Rfc8 30.Nd4-/+; 28...Bb8?! 29.Nc2-/+) 29.Nf1? (29.Rb1 Rb1 30.Ne1-+) 29...Rb8 (29...Bb8?! 30.Nd4 Rc8 31.Nc2-/+ (31.Ne6?? c2 32.Nd4 c1Q 33.Nf5 Kh7-+)) 30.g3 (30.Nd4 Rbb1 31.Nc2 Rf1 32.Qf1 Bh2 33.Kh2 Rf1-+) 30...f4 (30...Rb2 31.Qe3 c2 32.d4-+) 31.g4 (31.Qc2 Rbb1 32.Kg2 Rf1 33.Qc3-+) 31...Rbb1 (31...Rb2 32.Nd4 Re2 33.Ne2-+) 32.N3h2 (32.Kg2 Rb2 33.Qb2 cb2-+) 32...f3! 33.Qc2 (33.Qf3 Bh2 Double attack (33...c2 Passed pawn); 33.Nf3 Rf1 Deflection) 33...Bh2 (better 33...Rc1 34.Qc3 Rc3 35.Nf3-+) 34.Kh2 Rf1 35.Qc3 Rf2 (better 35...Rg1 36.Qa1 Ra1-+) 36.Kg3 Rff1 37.Qf6 (37.Qd2 Rh1 38.Qh6 Rag1 39.Kf3 Bg4 40.Ke4 Be6-+) 37...Kh7 (37...Rg1 38.Kh4-+) 38.Kh4 White prepares the advance g5 (38.Qd4 Ra2 39.Qe4 Kg8 40.Qf3 Rf3 41.Kf3 Rh2-+) 38...Ra5 (38...f2!? 39.Qf4-+) 39.d4 h5! 40.g5 (40.gh5 Rf5 Combination) 40...Rf5 41.Qh6 Kg8 42.g6 (42.d5 Rf4 43.Kg3 Rg1 44.Kf4 f2-+) 42...Rg1 43.d5 (43.Qh7 Kf8 44.Qh6 Ke8 45.d5-+) 43...Rd5 (43...fg6 44.de6 Re5 45.Qf4 g5 46.Qg5 Rgg5 47.e7 Rg1 48.e8N Re8 49.Kh5 Kf7 50.h4 Rh8) 44.gf7= Bf7 45.Qh8 Kh8 ½-½. shankieboy (1900) - kianas (2060), ChessWorld.net, 2013.

9.d4 Bd6 10.Nbd2 Qb6 11.Bc6 (11.a4 a6 12.Bc6 Qc6+=) 11...Bc6 (11...Qb2?! 12.Rb1 Qa3 13.Bb7=) 12.Qb1 Qa6 13.h3 (13.Rc1 Bb5–/+) 13...Rac8 14.c4 (14.Rc1!?–/+) 14...dc4–+ 15.Rc1 Bf3 16.Nf3 Rfd8 (16...b5 17.Qc2–+) 17.Bc3 Qc6 (worse is 17...Ba3 18.Bb4 Bc1 19.Ra6 ba6 20.Qc1+=) 18.Bb4 (18.Bb4 b5 19.Bd6 Rd6 20.Ne5–/+). Ralphs – White, corr 3GMM–29, 1995.

9.d4 Bd6 10.Nbd2 Rc8 11.c4 dc4 12.Bc4 Na5 13.Bd3 b5 14.Qe2 a6 15.Rfc1 Qb6 16.Ne5+= Rc1 17.Rc1 Rc8 18.Qd1 Rc1 19.Qc1 Be5 20.de5 Nd5 21.Bd4 Qc6 22.Qc6 Nc6 23.Bb2 h6 24.Kf1 Kf8 25.Ke2 Na5 26.Bd4 Nb7 27.Nb3 Bc6 28.g3 Ke8 29.Kd2 g6 30.Nc5 Nc5+= 31.Bc5 f5 32.ef6 Kf7 33.Bd4 Nf6 34.Bf6 Kf6= 35.Kc3 g5 36.Kd4 Bd5 37.e4+= Bb3 38.e5 Ke7 39.Kc5 Kd7 40.Kb6 Bc4 41.Bc2 a5 42.Ka5 Kc6 43.Kb4 Kd5 44.Bg6 Be2 45.Be8 Ke5 46.Bb5 Bd1 47.Kc5 Ke4 48.Bc6 Kd3 49.a4 Ba4 50.Ba4 Ke2 51.Kd6 (51...Kf2 52.Ke6+–) 1–0. Kwiek,Janusz – Kostka,M, corr ch35–Poland, 1992.

9.d4 Be7 10.Nbd2 Na5 11.Bd3= Rc8 12.a4 Bb4 13.Ba3 Ba3 14.Ra3 Qe7 15.Qa1 Rc7 16.Ne5 Rfc8 17.Rb1 Be8 18.c3 Nd7 19.Nd7 Bd7 20.Bb5 Bc6 21.c4 Nc4–/+ 22.Nc4 dc4 23.Bc4? Bg2!–+ 24.Kg2 Qg5 25.Kh1 Rc4 26.Ra2 Qd5 27.Kg1 e5 28.Rd2 R4c6 29.Rbd1? Rg6 30.Kf1 Qg2 31.Ke1 Qf3 32.Kf1 Rg2 33.de5 Rf8 34.e6 Rh2 35.ef7 Kh8 36.Qg7 Kg7 37.Ke1 Rh1# 0–1. Frenzel,Lothar – Hofmann,Georg, corr, 2002.

9.Re1 Ne5 10.Bd7 Ned7 11.d3 Qc7 12.h3 Rac8 13.Nbd2 e5 14.d4 ed4 15.ed4 Bd6 16.Rc1 b5 17.c3 Nb6 18.Qb3 a6 19.Ne5 Rfe8 20.Ndf3 Nfd7 21.Nd7 Qd7 22.Nd2 Re6 23.Qc2 Rce8 24.Kf1 Qe7 25.Nf3 h6 26.Ra1 Nc4 27.Re6 Qe6 28.Re1 Qd7 29.Re8 Qe8 30.Qb3 Qe7 31.Bc1 Ba3 32.Ba3 Qa3 33.Qc2 a5 Black prepares the advance b4 34.Ne1 b4 35.cb4 ab4 36.Qe2? Kf8 37.Qh5 Qa6 38.Qe2?? Nd2 (38...Nd2 39.Kg1 Qe2 40.Nc2 b3 41.h4 bc2 42.Kh2 Qf2 43.Kh3 c1Q 44.g3 Qcf1 45.Kg4 Qf3#) 0–1. Schiffner,Kevin – Doberitz,Paul (1660), GER–chT U12, 2004.

9.Qe2 +=.

8.Na4 Bd6 9.c4 e5 10.cd5 (10.c5 Bc7+=) 10...Nd5 11.Bb5 (11.Qc2 Be6–/+) 11...Nde7 (11...e4!? 12.Bc6 bc6–/+) 12.Nc3 Bg4 13.h3 Bh5 14.g4 Bg6 15.Nh4 Rc8 16.Be2 Bb8 (16...Re8 17.Rc1+=) 17.Ng6 Ng6 (17...fg6 18.Bc4 Kh8 19.d3=) 18.Ne4 Re8 19.h4 White plans g5 (19.Rc1 Bd6+=) 19...Nh4+= 20.g5 Ng6 21.Bg4 Rc7 22.Qf3 Nd4?? (better is 22...b5+=) 23.ed4+– ed4 Black gets strong play along the open e–file 24.Kd1 Rce7? 25.Bf5+/– Qa5 26.a4 Bf4 27.Bg6+– fg6 28.Qb3?? Kh8+= 29.Qh3 Do you see the mate threat? 29...h5 Black launches an attack 30.gh6 The mate threat is hxg7 30...Re4 31.hg7 Kg7 32.Qd7 Attacks the isolani on d4 32...R4e7 33.Bd4 Be5 34.Qd6 Re6 35.Be5 Re5 36.Qd7 R8e7 37.Qc8 Rh5+= 38.Rh5 Qh5 39.Kc2 Qe5 40.Qa8?? Qf5 41.Kc3?? Rd7 (41...Rd7 42.Rh1 Qe5 43.Kc2 Qe4 44.d3 Qh1 45.Qa7 Qe1–+) 0–1. Wohlers Armas,Friederike (2110) – Heintze,Marion (2180), Mephisto (Women), 1990.

8.Bd3 e5 9.Na4 Bd6 10.Bb5 e4 11.Nd4 Ne5 12.Be2 Bd7 13.Bb5 (13.Nc3 Nc4 14.Rb1 Qc8+=) 13...Rc8 14.h3 a6 15.Bd7 Nfd7 (worse is 15...Qd7 16.Nb6 Qc7 17.Nc8 Rc8 18.Nf5+/–) 16.Nf5 Bb8 17.Nc3 Nc4 18.Qg4 Be5 19.Rb1 (19.Nd5 Nb2 20.Nfe7 Kh8 21.Nc8 Qc8 22.Qe4 f5–+) 19...Nb2–+ 20.Rb2 Rc3 21.Ng7 Bg7 (21...Nf6 22.Qg5 Re3 23.fe3–/+) 22.dc3 Qc7 23.0-0 Ne5 24.Qf4 b5 25.Rb3 Rd8 26.a4 Qc5 (better is 26...ba4!? 27.Ra3 Qc6–+) 27.ab5–/+ ab5 28.Rfb1 Rb8 29.f3 ef3 30.gf3 Rb6 31.Kh1 Nc4 32.e4 Be5 33.Qg5? (better is 33.Qh4 Qe3 34.Rf1–+) 33...Rg6 34.Qh4 Bg3 (34...Bf6 35.Rb5 Qe3–+ (35...Bh4?! 36.Rc5 Nd2 37.Rb8 Kg7 38.Rcc8 de4 39.fe4–+)) 35.Qd8–/+ Kg7 36.Qd5 Qd5 (36...Qc8 37.Qf5 Qd8–+) 37.ed5+= Nd2 38.Rb5 Nb1 39.Rb1 Kf6 40.c4 Bf2 41.Rf1 (41.Rb3!?=) 41...Bc5–/+ 42.Kh2 (42.Rd1 Ke5 43.Kh2 Bd6–/+) 42...Ke5 (42...Bd6 43.Kh1–+) 43.f4? (better is 43.Rd1!?–/+) 43...Kd4–+ 44.f5 Rf6 (better is 44...Bd6!? 45.Kh1 Rf6–+) 45.Rf4 Ke5 46.Rh4 h6 (46...Kf5 47.Rh7 Kg6 48.Rh8 Rf2 49.Kg3 Rc2 50.h4–+) 47.Kg2 Kf5 48.Rg4 Rg6 (48...Ke5!? 49.c3–+) 49.Kf3 Rg4 50.hg4 Ke5 51.c3 Ba3 52.Ke3 Bb2 53.Kd3 Bc1 54.Kc2 Be3 55.Kd3 Bc5 56.Kc2 Ke4 57.Kd2 Kf3 58.Kd3 (58.Ke1 Kg4 59.Kf1 h5–+) 58...Kg4 0–1. roy1nc6 (1895) – felnix (1890), gameknot.com, 2013. (=1.Nf3 Nf6 2.b4 d5 3.a3 e6 4.Bb2 c5 5.bc5 Bc5 6.Nc3 Nc6 7.e3 0-0)

8.d4 Bb6 9.Bd3 Bc7 10.0-0 a6 11.Rb1 Qd6 12.h3 e5 (12...Bd7 13.Re1=) 13.de5 (better 13.Nb5!? ab5 14.de5 Ne5 15.Be5+/-) 13...Ne5= 14.Re1 Bd7 15.Ne5 Qe5 16.f4 Qe6 17.Qf3 (17.e4 Qb6 18.Kh1 Bf4+=) 17...Bc6 (17...Ba5 18.Red1=) 18.Qg3 (18.Ne2 Ne4=) 18...Nh5 (18...Rfe8 19.Ne2 Qe3 20.Qe3 Re3 21.Bd4-/+) 19.Qh4 g6 (19...Nf6 20.Na4 Ne4 21.Nc5=) 20.g4 Bd8 21.Qf2 Ng7 (21...Nf6 22.f5 Qe7 23.e4 de4 24.Qd4+/-) 22.Ne2 (22.e4 de4 23.Ne4 Qd5+/-) 22...Bb6 Attacking the backward pawn on e3 (22...Ba5 23.Red1=) 23.Nd4 Qd7 24.Qh4 Bd8 25.Qh6 Ne8 26.Nf5 f6 (26...gf5?? 27.Bf5 Qf5 28.gf5+-) 27.Nd4 Nd6 28.f5 g5 29.Ne6 Rf7 30.Bd4 Qe7 (30...Ne4 31.Red1 Qd6 32.Be4 de4 33.Kg2+/-) 31.h4 (31.Bc5 Bc7+/-) 31...Ne8 (31...gh4!? 32.Bc5 Qd7+=) 32.hg5+/- fg5 33.Re2 Rf6?? (better 33...Qd6+/-) 34.Qg5+- Kh8 35.Rh2 (worse 35.Bf6 Nf6 36.Qf4 Kg8+-) 1-0. donex7 (1810) - timedelay22 (1620), gameknot.com, 2014.

8.d4 Bd6 +=.

8.d4 Be7 9.Bd3 Bd7 10.0-0 Rc8 11.Rb1 b6 12.Ne5 Na5 13.g3 Nc4 14.Bc4 dc4 15.e4 Bc6 16.Nc6 Rc6 17.f3 Qb8 18.Bc1 Nd7 19.Rb5 Rd8 20.Bg5 Bg5 21.Rg5 Nf6 22.f4 Rcd6 23.d5 ed5 24.e5 d4 25.ef6 1–0. mtre – COMP, internet, 2002.

8.Ne2 b6 9.Ng3 d4 (9...Bd6 10.Bb5 Bb7 11.0-0+=) 10.Bb5= Bb7 11.0-0 de3 12.fe3 a6 (12...Be7 13.Bf6 Bf6 14.d4=) 13.Bd3 Re8? (better is 13...Nd5=) 14.Ng5+– Be7 15.Nh7! Nh7?? (15...e5+–) 16.Bh7 Kf8 17.Rf7! Kf7 Decoy to f7 18.Qh5 Kf8 (18...g6 19.Bg6 Kg8 20.Qh8) 19.Bg7! Kg7 Decoy to g7 20.Qg6 Kh8 21.Bg8!! Rg8 Theme: Blockade (21...Qd3 22.cd3 Rg8 23.Qh6) 22.Qh6# 1–0. Weenink,Henri G – Van De Boogaard,P, corr, 1918.

8.Qc2 0-0?? 9.d4 Be7= 10.c5 Qc7 11.Bd3 b6 12.cb6 ab6 13.0-0 Bb7 14.Nbd2 Na5?? (better is 14...Rfc8+=) 15.Qc7+– (15.Qc7 Bd8 16.Qd6+–) 1–0. Fournier,Frederic (1735) – jumento, Active, 2008.

8.Qc2 0-0?? 9.cd5 Nd5= 10.Nc3 Nc3 11.Qc3 f6 12.d4 Be7 13.Bd3 Qd8 (13...Nb4!? 14.Bc4 Nd5=) 14.0-0+= Bd7 15.Rfc1 Rc8 16.Qb3 b6 (16...Na5!? 17.Qa2 Qb6+=) 17.Bc4 Na5 (17...Kf7 18.d5 ed5 19.Bd5 Ke8 20.Qd3+/–) 18.Be6+– Kh8 19.Qa2 Be6 20.Qe6 b5?? (better is 20...Re8 21.Rc8 Qc8+/–) 21.Rc8 Qc8 22.Qc8 (better is 22.Qe7 Nc4 23.Qb4+–) 22...Rc8+/– 23.Rc1 Rc1+= 24.Bc1 Nb3 25.Bb2+/– Kg8 26.Kf1 Kf7 27.Ke2 Ke6 28.Kd3 Na5 29.Nd2 a6 30.Bc3 Nb7 31.Bb4 Bd8 32.Nb3 Kf5 33.Nc5 Nc5 34.Bc5 Ke6 35.f3 Ba5 36.e4 Be1 37.Kc2 f5 38.Kb3 fe4 39.fe4 Bf2?? 40.a4 (40.a4 Be1 41.ab5 ab5 42.Bb4+–) 1–0. Fournier,Frederic (1800) – jessicalupita (1625), Active (5/0), 2006.

8.Qc2 0-0?? 9.Bf6 gf6 10.cd5 ed5 11.Nc3 +/–.

8.Qc2 d4 9.Bd3 +=.

8.Bc4 a6 9.0-0 0-0 10.Nc3 b5= 11.Be2 Bb7 12.d4 Ba7 (12...Be7 13.Bd3=) 13.Qb1 (13.Rc1 Rc8=) 13...Rc8 14.Rd1 Qc7 (14...Na5 15.g3=) 15.Bd3 (15.d5 Na5 16.d6 Qc5=) 15...Rfd8 16.Ne4 (16.Qc2 Bb8 17.Qe2 Qe7=) 16...Nd5 (16...Ne4 17.Be4 f5 18.Bd3=) 17.Neg5 (17.Nc5 g6+=) 17...h6= 18.Ne4 Na5 19.Rc1 Qe7 20.Ned2 Nf6 21.Ne5 (21.Bc3 Nc6=) 21...Nc6 22.Ndf3 (22.Nef3 Bb6=) 22...Ne5=+ 23.Ne5 Nd7 24.Be4?? (24.Nd7 Qd7 (worse 24...Rd7 25.Rc8 Bc8 26.Bc3+=) 25.Bc3 Qd5=+) 24...Ne5 (better 24...Rc1 25.Bc1 Ne5 26.Bb7 Qb7-+) 25.de5?? (better 25.Rc8 Rc8 26.de5 Be4 27.Qe4=+) 25...Rc1-+ 26.Bc1 (26.Qc1 Be4 27.Bd4-+) 26…Rd1 0-1. Shuvalov,Evgenij (2180) - Meyer,Lars A (2230), Titled Tuesday intern op, 2021.

8.Bc4 a6 9.0-0 b5 10.Be2 Bb7 11.d4 Be7 12.Nbd2 Nb8 13.Ne5 Bd6 14.Ndf3 Bf3 (14...0-0!?=) 15.Bf3+/– (worse is 15.gf3 Nd5=) 15...Ra7 16.Nc6 Nc6 17.Bc6 Nd7 18.Rc1 0-0 19.Qf3 (19.d5 Nb6+=) 19...Rc7 20.d5 e5 (20...Be5 21.Bd4 Bd4 22.ed4=) 21.Qf5+= f6?? (better is 21...Qe7+=) 22.Qe6+– Kh8 23.Qd6 Rf7 (23...Nb8 24.Qd8 Rd8 25.Rc3+–) 24.Bd7 (24.e4 f5+–) 24...Rcd7 (24...Rc1 25.Bc1 Rd7 26.Qa6 Rd5+–) 25.Qa6 Qe7 26.Qb5 Rd5 27.Qd5 Rf8 28.Rfd1 h6 29.Rd2 Rb8 30.Rdc2 Rd8 31.Rc8 Rc8 32.Rc8 Kh7 33.Qd8 Qb7 34.Rc2 Qb3 35.Qd2 h5 36.h3 g6 37.Qc3 Qe6 38.Qc7 Kh6 39.a4 Qf5 40.a5 Qc2 41.Qc2 (41.Qc2 g5 42.a6 Kg7 43.a7 g4 44.a8Q gh3 45.Qb7 Kh6 46.Qbh7 Kg5 47.Qhg6 Kh4 48.Qg3) 1–0. Fournier,Frederic – raal, Active (5/0), 2005.

8.Bc4 a6 9.d4 Be7 10.0-0 0-0 11.Nc3 b5 12.Bd3 Bb7 13.Qc2 Na5 14.Rac1 (14.e4!?=) 14...Bf3+= 15.gf3 Rc8 16.Qd2? (16.Rfe1 Qd7+=) 16...Qd7 (better is 16...Nb3 17.Qc2 Nc1 18.Rc1 Qd7–+) 17.Qe2+= b4 (better is 17...Nc4+=) 18.ab4+/– Bb4 19.Ne4 Ne4 20.fe4 Nb3 21.Rc8 Rc8 22.Kh1 (22.Ba6!? Ra8 23.Rd1+/–) 22...a5= 23.Rg1 g6 24.e5 Bc3 25.Ba3 Nd2 26.Bb5 (26.Bd6!?+=) 26...Qb7–/+ 27.e4 Ne4 28.f3–/+ Nd2 29.Kg2?? Bd4–+ 30.Rd1 Nf3! 31.Qf3 Qb5 32.Rd4+= Rc2 33.Kg3?? Qe5–+ (33...Qe5 34.Qf4 Rc3 35.Kf2 Qf4 36.Rf4 Ra3–+) 0–1. Fournier,Frederic (1845) – pav4eto (1760), Active (3/0), 2005.

8.Bc4 Qb6 9.Qb3 Na5 10.Qb6 Bb6 11.Ba2 Bd7 12.Nc3 Bc6 13.Ke2 Bf3 (13...Bc7!?+=) 14.Kf3+= 0-0-0 15.d4 g5 (15...Bc7 16.Rhd1+=) 16.g4 (16.d5!? Rhe8 17.Rhd1+/–) 16...h5+= 17.h3 Nd5 (17...Nc6 18.Rac1+=) 18.Nd5 ed5 19.Rac1 Kb8 20.Bc3 Nc6 21.gh5 f5 22.Rcg1 Rh5 23.Bb4 a5 24.Bc5 Bc5 25.dc5 d4 26.ed4 (26.Be6 Ne5 27.Ke2 d3 28.Kd1 Nf3=) 26...Rd4 (26...Nd4 27.Kg2 Ne2–/+) 27.Rd1? (better is 27.Ke2+=) 27...Rd1–+ 28.Rd1 Rh3 (28...Rh3 29.Ke2 Ra3–+) 0–1. Fournier,Frederic (2215) – Jauneau,David, Train France (FRA), 2001.

8.Bc4 Bd7 9.d4 Be7 10.0-0 0-0 11.Nbd2 Na5 12.Bd3 Rc8 13.Rc1 Qb6 14.Rc8 Rc8 15.Qb1 Nb3 16.Nb3 Qb3 The isolani on a3 becomes a target 17.Rd1 Nd5 (17...Ba4 18.Rd2 Ba3 19.Ba3 Qa3+=) 18.Ne5 Bb5 19.Bb5 (better is 19.Bh7 Kf8 20.Be4+/–) 19...Qb5= 20.Rc1 Rc1 21.Qc1 g6 22.g3 a5 23.Kg2 (23.Qc8!? Kg7 24.Qc2=) 23...Qe2+= 24.Bc3? (better is 24.Kg1+=) 24...Nf6?? (better is 24...Ba3 25.Qd2 Qd2 26.Bd2 a4–+) 25.Ba5+= Ne4 26.Qe1 Qa2 27.Bb4+/– Bb4 28.ab4 f6 29.Nd3 Nd6 30.Nf4 g5 31.Ne6?? Qe6–/+ 32.Qc3 Qe4 33.Kg1 Nf5 34.Qc8 Kg7 35.Qc7 Qe7 36.Qc2 Nd6 37.Qc5 Qd7 38.f3+= Nf7 39.Kf2 Qc6 40.Qc6 bc6+= 41.e4 Nd6 42.Ke3 Nb5 43.Kd3 Kf7 44.Kc4 Ke6 45.Kc5 Kd7 46.d5 Nc7?? 47.dc6+– Kc8 48.b5 Ne6 49.Kd5 Nc7 50.Kc5 Nb5?? 51.Kb5+– Kc7. Fournier,Frederic (1710) – SOLOPINGPONG, Active, 2007.

9.0-0 Na5 10.Be2 a6 11.d4 Bd6 12.Nbd2 b5 13.h3 Bb7 14.Bd3 Rc8 15.Qe2 Nd5 16.Rfc1 Nb6 17.Rc8 Qc8 (worse is 17...Nc8 18.a4 ba4 19.Ra4+/–) 18.Ng5 h6 19.Nge4 Be7 20.Rc1 Qb8 21.Nc5 Rc8 22.Qh5 Na4?? (better is 22...Nd5+=) 23.Na4+– Rc1 24.Bc1 ba4 (24...e5 25.Nc3 Qc7 26.Ne2 ed4 27.ed4+–) 25.Qa5 Qc8 26.Bb2 Qc6 (26...Bg2 27.Kg2 Qb7 28.d5 Qb2 29.de6 fe6 30.Qa6+–) 27.f3 f5 28.Nc4 Bg5 29.Qc5 Qb5 30.Qb5 (30.f4!? Bf6 31.Qb5 ab5+–) 30...ab5 31.Nd6 Be3 32.Kf1 Bc6 33.Ke2 Bg1 34.Bb5 Bb5 35.Nb5 Kf7 36.Kd3 Ke7 37.Kc4 Kd7 38.Nc3 Kc6 39.Na4 g5 40.Nc5 Kd6 41.a4 h5 42.a5 e5 43.a6 Kc6 44.a7 e4 45.a8Q Kd6 46.Qd5 Ke7 47.Qe6 Kf8 48.fe4 f4 49.d5 Bc5 50.Kc5 g4 51.hg4 h4 52.Qf6 Ke8 53.Kd6 1–0. Fournier,Frederic (2060) – Supercubanito (2000), jeu.europe–echecs.com, 2013.

9.0-0 a6 10.Qc2 Bb6 (10...Bd6 11.Rc1=) 11.Bf6 (11.Ng5!? g6 12.Qc3+/–) 11...Qf6= 12.d4 Bd7 13.Nbd2 Rac8 14.Qa2 Bc7 15.Rab1 b5 16.Bd3 Ne7 17.Ne4 Qh6 18.Rfc1 Bc6 19.Ng3 Bf3 20.gf3 Nd5 21.Kg2 Bg3 (21...Nc3! 22.Rc3 Bg3 23.hg3 Rc3+=) 22.hg3= Qf6 23.a4 (23.Rc8 Rc8 24.a4 Nc3+=) 23...Nc3= 24.Qc2 g6 25.ab5 (better is 25.Rb3 Na4 26.Qc8 Rc8 27.Rc8 Kg7 28.Rc6+–) 25...Nb5?? (25...Nb1 26.Qc8 Rc8 27.Rc8 Kg7 28.ba6=) 26.Qa4?? (better is 26.Qc8!? Rc8 27.Rc8 Kg7 28.Rc6+–) 26...e5 (26...Nc3!? 27.Qa6 Ra8 28.Qa8 Ra8 29.Rc3 h5+=) 27.de5+/– Qe5 28.Bb5 (better is 28.Qa6!? Nd6 29.Qa1+/–) 28...Rc1= 29.Rc1 ab5 30.Qb4 Rb8 31.Rc5 The isolani on b5 becomes a target 31...Qe8 32.g4 Qd7 33.g5 Rb7 34.Kg3 Qd6 35.f4 Rc7 36.Rb5+/– Qb4 37.Rb4 Kg7 38.e4 h6 39.gh6 Kh6 40.Kg4 Rc2 41.Kg3 Kg7 42.e5+/– Re2 43.Rb7 g5 44.fg5 Re5 45.f4 Rd5 46.Kg4 Rd4 47.Rc7 Rb4 48.Rc6 Ra4 49.Rf6 Rc4 50.Rf5 Rc6 51.Rd5 Rc4 52.Rd6 Rb4 53.Rf6 Rc4 54.Kh5 Rc5 55.Rh6 Rc1 56.Rd6 Rc5 57.Kg4 Rc4 ½–½. orangutandu – pepe1350, 2013.

9.0-0 a6 10.d4 Bd6 11.Nbd2 Re8 12.Bd3 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Re5 16.Nf3 Rd5 17.Nd4 b5 18.Qc2 Bb7 19.Be4 (19.a4!? b4 20.Qb3=) 19...Ne4 20.Qe4 Qd7 (20...Qg5 21.Rac1 Rd7 22.h4+=) 21.Qf4= Rd8 22.Rfd1 g5 23.Qf6 Qg4 (23...Rd6!? 24.Qe5 Qg4+=) 24.f3+= Qh5? (24...Qd7 25.h4+=) 25.h3?? (better is 25.Nf5 Rd1 26.Rd1 Rd1 27.Kf2+–) 25...R8d6 (25...Qg6!? 26.Qg6 hg6=) 26.Qe7+= Rd7?? 27.Qf6?? R5d6= 28.Qe5 f6 29.Qc5 Bf3? 30.Qc8?? Rd8–+ Black prepares the advance g4 31.Qc1 Bd1 32.Qd1 g4! 33.hg4 Qe5 34.Qf3?? Re8 35.Re1?? Rd4 36.ed4 Qe1 37.Kh2 Re3 38.Qa8 Kg7 39.Qb7 Kg6 40.Qd5 Qh4 41.Kg1 Re1 0–1. Fournier,Frederic (1715) – Ticotecopov (1805), Active, 2006.

9.0-0 a6 10.d4 Be7 11.Nc3 b5 12.Bd3 Bb7 13.Qc2 Rc8 14.Rac1 (14.Ng5 h6 15.Nh7 Nh7 16.Bh7 Kh8=) 14...b4+= 15.ab4 Nb4 (15...Bb4?! 16.Qe2+=) 16.Qb1 Nd3 17.Qd3 Bf3 18.gf3 Nd5 (18...Qa5 19.Ne4+=) 19.Nd5 (19.Qa6 Nc3 20.Rc3 Rc3 21.Bc3 Bd6=) 19...Qd5 20.e4 (20.Qa6!? Rc1 21.Rc1 Qf3 22.Qc6+=) 20...Qg5+= 21.Kh1 Qh5 22.d5 (22.Ra1+=) 22...Rcd8?? (22...Bd6 23.e5 Rc1 24.Rc1 Be5 25.Be5 Qe5 26.d6–/+) 23.Qc3?? (better is 23.Rg1!? g6 24.Qc3=) 23...Bf6 (better is 23...f6 24.Ba3 Ba3 25.Qa3 ed5–/+) 24.e5?? (better is 24.Qf6 gf6 25.Rg1 Qg6 26.Bf6+=) 24...Bg5–+ 25.Rcd1 Bf4 (25...Bf4 26.h3 Qh3 27.Kg1 Qh2; 25...ed5?! 26.Rd4–+) 0–1. Fournier,Frederic (1870) – navegante12 (1650), Active, 2008.

9.0-0 a6 10.d4 Be7 11.Nbd2 b5 12.Bd3 Bb7 13.Qc2 Na5 14.Rfc1 Rc8 15.Qd1 Bf3 16.Nf3 Rc1 17.Rc1 (17.Qc1? Nb3 18.Qb1 Na1 19.Qa1 Qd5–+) 17...Nd5 18.Qc2 b4 (18...f5 19.Be2+=) 19.ab4 Nb4 20.Qe2 (20.Bh7 Kh8 21.Qb1 g6 22.Bg6 fg6+–) 20...Nd3+= 21.Qd3 Qb6 22.Rb1 (22.Ba3 Ba3 23.Qa3 Rb8+=) 22...Rc8 (better is 22...Rb8=) 23.Bc3?? (23.Ba3!? Qb1 24.Qb1 Ba3 25.Ne1+/–) 23...Qc7?? (better is 23...Rc3 24.Rb6 Rd3–+) 24.Ba5= Qa5 25.h3 Qa2 26.Ne5 f6 27.Nd7 e5 28.de5+/– fe5 29.Ne5 Bh4 30.g3 (30.g3 Bf6 31.Nd7+/–) 1–0. Fournier,Frederic (1830) – sumabrite (1760), Active (3/0), 2005.

9.d4 Bb6 10.0-0 Ne4 11.Nc3 Nc3 12.Bc3 Na5 13.Ba2 Bd7 14.Qd2 Nc6 15.Rac1 Rc8 16.Bb4 (16.Qb2!? Ne7 17.d5+/–) 16...Nb4= 17.Qb4 Qf6 (17...Bc6 18.Ne5=) 18.Ne5+= Bc6 19.Nc6 Rc6 20.Rc6 bc6 21.Rc1 Rc8 22.a4 c5 23.dc5 Bc5?? (better is 23...Rc5 24.Rc5 Bc5=) 24.Rc5+– Rc5 (24...Rd8 25.Rc1 Qg5+–) 25.Qb8 (25.Qb8 Rc8 26.Qc8 Qd8 27.Qd8) 1–0. Fournier,Frederic (1850) – pmeana (1610), Active, 2008.

9.d4 Be7 10.Nc3 a6 11.0-0 b5 12.Bd3 Bb7 13.Qc2 Rc8 14.Qb1 Qb6 15.Ne4 Nd5 (15...Ne4!? 16.Be4 f5+=) 16.Rc1 Na5 17.Nc3 (better is 17.Nc5!? Nf6 18.Nb7 Qb7 19.Bc3+=) 17...Nb3–/+ 18.Nd5 Bd5 (18...Rc1 19.Bc1 Bd5 20.e4+=) 19.Rc8 (19.Bh7!? Kh8 20.Rc8 Rc8 21.Ne5+=) 19...Rc8= 20.Bh7 Kf8 21.Be4?? (better is 21.e4 Bc4 22.Ne5–/+) 21...Be4–+ 22.Qe4 Na1 (22...Na1 23.Qh7 Ke8 24.Qg7 Bf8–+) 0–1. Fournier,Frederic (1645) – astur, Active, 2006.

9.d4 Be7 10.Nbd2 Bd7 11.0-0 a6 12.Qe2 b5 13.Bb3 Na5 14.Ba2 Rc8 15.Rac1 Be8 16.Rc8 Qc8 17.Rc1 Qb7 18.Ne5 Nd5 19.e4 Nb6 20.Nb3 Nac4 Exerts pressure on the isolated pawn 21.Nc4 (21.Nc5 Bc5 22.Nc4 Nc4 23.Bc4 Bd6+=) 21...Nc4 22.Nc5 Bc5 23.dc5 (better is 23.Bc4!? Bd6 24.Bd3+=) 23...Nb2+= 24.Qb2 Qe4 25.Bb1 Qd5 26.Qc2 g6 27.c6 Qd8 28.c7 Qc8 29.Rd1 Bd7 30.Qc5 f6 31.Qd6 Rf7 32.Ba2 (32.Be4!? Kg7 33.Qb6+/–) 32...Kg7= 33.Qb6 Be8 34.Be6 Qc7 35.Qa6. Fournier,Frederic (2215) – Jauneau,David, Train France (FRA), 2001.

8.Qb3 e5 9.Be2 0-0 10.0-0 Re8 11.Re1 d3! 12.Bf1 (12.Qd3 e4 Double attack (12...e4 Decoy); 12.Bd3 e4 Double attack (12...e4 Decoy)) 12...e4-+ 13.Nd4 (better 13.Qb5 Qd6 14.Bf6-+) 13...Ng4 (13...Nd4?! 14.ed4 Bd4 15.h3-+) 14.h3 Nf2! (14...Nd4 15.ed4 Bd6 16.Nc3 (16.hg4 Qh4 17.g3 Bg3 18.fg3 Qg3 19.Bg2 Qe1 20.Kh2 e3 21.Qd3 Qh4 22.Kg1 e2-+) 16...Bh2 17.Kh1-+; 14...Bd4 15.ed4 Nf2 16.d5-/+) 15.Kf2 (15.Nc6 Qh4 16.Ne5-+) 15...Nd4 (15...Bd4 16.ed4 Qh4 17.g3 Qf6 18.Kg1 Nd4 19.Qc3 Nf3 20.Kf2 e3 21.de3 Ne5 22.Kg1-/+) 16.Bd4 Bd4 17.Bd3 (17.Nc3 Be5 18.Kg1-+) 17...Qh4 18.Kf1 Ba1 0-1, Darkseid (1800) - TheBadWolfGR (2240), ChessWorld.net, 2011.

8.Qc2 e5 9.Bd3 =+.

8.Bd3 0-0 =+.

8.Be2 e5 9.ed4 Nd4 10.Nd4 Bd4 11.Nc3 Qb6 12.0-0?? Qb2–+ 0–1. thedesertfox (2100) – xxwidowmakerxx (2000), net–chess.com, 2004.

8.g3 e5 9.Bg2 Bg4 10.h3 Bf3 11.Bf3 e4 12.Bg2 0-0 13.0-0 Re8 14.ed4 (14.Qb3 Ne5–/+) 14...Nd4 (14...Bd4!? 15.Bd4 Qd4–/+ (worse is 15...Nd4 16.Nc3+=)) 15.Nc3+= Qd7 16.Nb5 Rad8 17.Re1 Nb5 18.Bf6 gf6 19.cb5 Qd2 20.Qg4 Will e4 fall? 20...Kh8 21.Qf5 Bd4 22.Rad1 Qb2 (22...Qg5 23.Be4 Qg3 24.Kf1=) 23.a4 (23.Re4? Bf2 24.Kh2 Bg3 25.Kg3 Rg8 26.Rg4 A) 26...Rd1 27.Rg8 Kg8 28.Qg4 Kf8 29.Qd1+/– (29.Bb7 Rg1 30.Kf3 Qa3 31.Kf2 Qc5 32.Kf3 Rf1 33.Ke2 Rf2 34.Kd3 Qc2 35.Ke3 Qd2 36.Ke4 Qe1 37.Kd3 Rd2 38.Kc4 Qc1 39.Kb4 Rb2 40.Ka5 Qc3 41.Qb4 Qb4 42.Ka6 Qa4); B) 26...Rg4 27.Qg4 Rg8–+) 23...e3 24.fe3 Re3 25.Kh1 (25.Re3 Be3 26.Kh2 Rd1 27.Qc8 Kg7 28.Qg4 Kf8 29.Qd1 f5=) 25...Re1 (25...Rg3!? 26.Bb7 Rg5+=) 26.Re1= Be5? (better is 26...Qf2 27.Qf2 Bf2=) 27.Be4+/– (27.Bb7?? Bg3 28.Bg2 Be1–+) 27...Rd2?? (better is 27...Kg8 28.Qh7 Kf8 29.Qh6 Ke7+/–) 28.Qh7 1–0. wwgia (1785) – aga2013 (1795), gameknot.com, 2014.

9.ed4 Nd4 10.Bd4 Bd4 11.Nd4 Qd4 –/+.

9.Be2 e5 10.e4 Bg4 11.d3 Qe7 12.Nbd2 a5 13.h3 Bd7 14.Nb3 b6 15.0-0 h6 16.Nh2 g5 (16...Bd6!?+=) 17.Nc5= ½–½. Aragon Hermida,JA – Gonzalez Ruano Perez,C, Spain–Cup2 corr, 1987. (=1.Nf3 d5 2.b4 e6 3.a3 Nf6 4.e3 c5 5.bc5 Bc5 6.Bb2 Nc6 7.c4 d4)

9.e4 e5 10.d3 a5 11.Nbd2 Nd7 12.Be2 Bd6 13.0-0 a4 14.Ne1 Nc5 15.Qd1 Na5 16.Nc2 Nab3 17.Rb1 Nd2 18.Qd2 Nb3 19.Qe1 Qa5 20.Nb4 b5 21.f4 Bb7 (21...bc4 22.dc4 ef4 23.Bd3–/+) 22.c5 (better 22.fe5 Bb4 23.ab4+= (worse 23.Qb4 Qb4 24.ab4 bc4=+)) 22...Rfd8?? (22...Bc5 23.Bd1 f6 24.Bb3 ab3 25.Rc1=+) 23.Bc1 (better 23.cd6 ef4 24.e5+–) 23...Bc5 24.Bd1 (24.fe5 Bb4 25.ab4=) 24...Bc8 (24...Nc1 25.Rc1 Qc7 26.fe5=+) 25.Qh4 (better 25.Bb3 ab3 26.Nc6 Qe1 27.Re1=) 25...Bb6?? (25...Re8 26.Bb3 ab3 27.Rb3=+) 26.Nd5?? (26.Nc6!? Qc3 27.Nd8+–) 26...Bb7 (better 26...Nc1 27.Ne7 Kh8=) 27.Bf3?? (27.Ne7 Kh8 28.Rf3 Rd6 29.fe5 Nc1 30.ed6 Qd2+–) 27...f5?? (27...Bc5 28.fe5 Nc1 29.Rfc1 Ba3 30.Rf1–/+) 28.Bd1?? (28.Ne7 Kh8 29.Nf5 Bc5 30.fe5 Nc1+–) 28...fe4?? (better 28...Bd5 29.ed5 Nc1 30.Rc1 e4–+ (30...Rd5?! 31.Qe7 Rdd8 32.Qe5=)) 29.Kh1?? (29.Ne7 Kh8 30.Rb3 Re8 31.de4 d3 32.Kh1 Bd8 33.Ng6 Kg8+=) 29...Qa7 (29...Bd5 30.de4 Be4 31.Bb3 ab3 32.Rb3–+) 30.Nc7?? (better 30.Ne7!? Kf8 31.fe5 Ke8 32.Qf4+–) 30...Rdb8 (better 30...Bc7 31.Bb3 ab3 32.fe5 e3–+) 31.Rb3?? (better 31.Na8 Qa8 32.fe5=) 31...h5?? (better 31...Bc7 32.Rb4 Bd6–+) 32.Bf3 (32.Na8 Qa8 33.Rb5 ed3 34.Qh3+– (34.Rb6?! Bg2 35.Kg1 Rb6=+)) 32...ef3–+ (32...ab3?! 33.Bd1 Qa4 34.Na8 Qa8 35.Bb3 Bd5 36.Bd5 Qd5 37.Qh5=+; 32...Bc7?! 33.Bd1 e3 34.Rb1–+) 33.Rf3 (33.gf3 Bc7 (worse 33...ab3 34.Na8 Qa8 35.Qh5–+) 34.Rb1 Qc5 35.Qh5 Qc2–+) 33...Kf7 (better 33...Bc7 34.Rb1 Bf3 35.gf3 Qc5–+) 34.fe5 (34.fe5 Bf3 35.Nb5–+). Lapshun,Yury (2435) – Napoli,N (2235), Panevezys Open, 2015.

9.e4 e5 10.d3 a5 11.Nbd2 Nd7 12.Be2 Bd6 13.0-0 a4 14.Ne1 Nc5 15.Qd1 Na5 16.Nc2 Nab3 17.Rb1 Nd2 18.Qd2 Nb3 19.Qe1 Qa5 20.Nb4 b5 21.f4 bc4 22.dc4 ef4 23.Bc1 (23.Nd5 Qe1 24.Rbe1 Rb8–+) 23...Nc1 24.Qc1 Bb7 (24...Rb8 25.Rf4 Bf4 26.Qf4–+) 25.Bf3 (25.Nd5 Rfb8–/+) 25...Rab8 26.Nd3 Ba6 27.Rb8 Rb8 28.e5 Be5 29.Bd5 Qc7?? (better is 29...Bd6 30.Nf4 Qc3–+) 30.Ne5+= Qe5 31.Qf4 Qe3? (better is 31...Qf4 32.Rf4 Rd8+=) 32.Qe3+– de3 33.Rf7 Kh8 34.Kf1 h5 (34...g5 35.Ra7 Bc8 36.Ke2+–) 35.Ke2 (35.Ra7 Bc8 36.Ke2 Bg4 37.Ke3 Kh7 38.Ra4 Kg6+–) 35...Rc8 36.Rf4 Rb8? (better is 36...Re8+/–) 37.Ke3+– Rb3 38.Kd4 Ra3 (38...Kh7 39.Rf3+–) 39.Rf8 Kh7 40.Ra8 (40.Ra8 Bc4 41.Kc4+–) 1–0. Lapshun,Yury (2435) – Napoli,Nicolo (2235), Master Open, 2015.

9.e4 e5 10.d3 Nh5 11.h3 g6 12.g4 Ng7 13.Nbd2 Qa5 14.Kd1 Be7 15.Rg1 a6 16.Nb3 Qc7–/+ 17.Bc1 Bd7 18.Ne1 Rfc8–/+ 19.Ng2 Ne6 20.Be2 Ncd8 21.Nd2 Nc5 22.Ke1 Rab8 23.f4 ef4 24.Nf3 Nde6 25.Kf2 b5 26.Rb1 bc4 27.Rb8 Qb8 28.Qc4 Ne4! 29.de4 Rc4 30.Bc4 g5 (31.Re1 Qc8–+) 0–1. Lang,Torsten (2055) – Proehl,Holger (2315), Muenster ch–U20, 1993.

9.e4 e5 10.Be2 Qb6 11.d3 Bg4 =+.

9.h4 e5-/+ 10.Bd3 Re8 11.Ng5 h6 12.Ne4 Ne4 13.Be4 Be6 14.Bc6 (14.Bh7!? Kh8 15.Be4-/+) 14...bc6-+ 15.Qe4 (15.a4 Rb8-+) 15...Qd6 (15...Qb6 16.Bc1-+) 16.g4 (16.Qc2 Rad8-+) 16...Bc4 17.Qc2 Bd5 18.Rg1 White intends g5 (18.e4 Be6-+) 18...Rab8 19.e4 (19.g5 h5-+) 19...Bb3 (19...Be4!? 20.Qe4 Rb2 21.Ke2-+) 20.Qd3 Qe6 21.g5 (21.a4 Bc4 22.Qc2 d3-+) 21...Bc4 (21...Ba4!? 22.Nc3 dc3 23.Bc3-+) 22.Qc2 hg5 (22...d3 23.Qc1 Qh3 24.Nc3-+) 23.d3 (23.hg5 Rb3 24.d3 Bd3 (worse 24...Rd3 25.Nd2 Rd2 26.Kd2-+) 25.Qc5 Rb2-+) 23...Bd3! 24.Qd3 Rb2 25.Rg5 Qf6 (25...Be7!? 26.Rg2-+) 26.Nd2 Qf4 27.Nf3 Reb8 28.Rf5 Qg4 29.Qc4 (29.Rg5 Qh3 30.Rg3-+) 29...Qe4 30.Kf1 Qf5 31.Kg2 (31.Qd3 Qd3 32.Kg1 Qf3 33.Rf1 Qg4 34.Kh2 R8b3 35.Rd1 Rh3) 31…R8b3 (31...R8b3 32.Qb3 Rb3-+; 31...Qg4 32.Kf1 Qf3 33.Qf7 Kf7 34.Kg1 Qf2 35.Kh1 Qg2) 0-1. poespo77 (2260) - Arifars17 (2390), HENING PURNAMA ROSADY MERRIED, lichess.org, 2020. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.c4)

9.Bd4 Bd4 10.Nc3 Bc3 11.dc3 0-0 12.Be2 Qd1 13.Rd1 Ne4 (13...b6 14.Rd4+=) 14.Rd3 (14.Rd4!? Nc3 15.Bd3=) 14...Nc5 15.Rd2 Bd7 16.Ne5 Ba4 17.Nd3 Rac8 18.Nc5 Rc5 19.0-0 b6 20.Rb1 e5 21.Bf3 Rc4 22.Rb4 Rb4 23.ab4 g6 24.Bb7 Re8 25.c4 Re7 26.Bd5 Rc7 27.f3 Bc6 28.Bc6 Rc6 29.Rc2 f5 30.Kf2 Kf7 31.Ke3 a5 32.ba5 ba5 33.Ra2 Rc4 34.Ra5 Kf6 Black plans e4 35.Ra2 Rc3 36.Kd2 Rb3 37.Ke2 e4 38.fe4 fe4 39.g3 h5 40.Ra5 g5 41.Rc5 Ra3 42.Rb5 h4 43.gh4 gh4 44.Rc5 Rh3 45.Kf2 Rb3 46.Ke2–/+ Ra3 47.Rb5 Rh3 48.Kf2 Rf3 49.Ke2–/+ Rd3 50.Ra5 Rc3 51.Rb5 h3 52.Rh5 Ra3 53.Rb5 Rf3 54.Rc5 Rb3 55.Rh5 Ke6 56.Ra5 Rf3 57.Rc5 Ra3 58.Rb5 Rc3 59.Rh5 Kf6 60.Rb5 Ra3 61.Rc5 Rf3 62.Rb5–/+ Rd3 63.Rc5 Ke6 64.Rh5 Kd6 65.Rb5 Rc3 66.Rh5 Rb3 67.Ra5 Ke6 68.Rc5 Kd6 69.Ra5= Rc3 70.Rb5 Ra3 71.Rh5 Rf3 72.Ra5 Rb3–/+ 73.Rh5 Ra3 74.Rb5 Ke6 75.Rc5 Rf3 76.Ra5 ½–½. Fournier,Frederic (2090) – Demoniac, Active, 2012.

9.Bd4 Bd4 10.Nd4 Qd4 11.Nc3 Ne4 12.Ne4 Qe4 13.Qe2 Qe2 (13...Qd4 14.Rb1=) 14.Be2 0-0 (14...Bd7 15.d4=) 15.0-0 (15.Bf3 Rd8+=) 15...b6 (15...Rd8 16.Rfd1=) 16.d4 Rd8 17.Bf3 White intends d5 17...Rb8 18.d5 (18.Rfd1 Bb7 19.Be2 Kf8=) 18...ed5 (18...Ba6 19.Rfd1=+) 19.Bd5 Bb7 20.Rfd1 Bd5 21.cd5 Rbc8 22.g3 (22.Rac1 Rc1 23.Rc1 Kf8=) 22...g6 (22...Rc5 23.d6=+) 23.Kg2 (better 23.Rd3!?=) 23...Rc5-/+ The isolani on d5 becomes a target 24.f4 (24.d6 Rc6-/+) 24...Rcd5 25.Rd5 Rd5 26.Rc1 (26.Ra2 h6-/+) 26...Rd3 27.Rc7 (better 27.Ra1!?-/+) 27...Ra3-+ 28.Rc8 Kg7 29.Rc7 (29.h3 a5-+) 29...a5 30.Kh3 (30.Rb7 Rb3-+) 30...Rb3 (30...a4 31.Kg4-+) 31.Rb7 (31.Ra7 h5-+) 31...a4 32.Ra7 b5 33.Ra5 a3 34.Kg4 Rb2 (better 34...h5 35.Kh4 b4-+) 35.Ra3 b4 (35...Rh2 36.Rb3 Rh5 37.Kf3-+) 36.Ra4 (36.Re3 b3-+ (36...Rh2?! 37.Rb3-/+)) 36...b3 37.Rb4 Rb1 38.h3 b2 (better 38...h5 39.Kh4 Kf6-+) 39.h4?? (better 39.Kh4-+) 39...h5 40.Kg5 (40.Kf3 Rf1 41.Kg2-+) 40...Rg1 (40...f6) 41.f5-+ b1Q (better 41...Rg3 42.Kf4 Rg4 43.Kf3 Rb4 44.Kg2 b1Q 45.f6 Kf6 46.Kf2 Qb2 47.Kf1 Qd2 48.Kg1 Rb1) 42.Rb1 Rb1 43.Kf4 Rb4 44.Kg5 (44.Kf3 gf5 45.Ke3 Kf6-+) 44...Rb3 (44...f6) 45.fg6 (45.f6 Kg8 46.Kf4 Kh7-+) 45...fg6 (45...Rg3 46.Kf4 Rg4 47.Ke3 Kg6 48.Kf3-+) 46.Kf4 Rb4 47.Kf3 Kf6 48.Kg2 Kf5 49.Kf3 Rb3 50.Kg2 Kg4 51.Kf2 Rg3 52.Ke2 Rh3 53.Kd2 Rh4 54.Kc2 Rh3 55.Kb2 g5 (55...h4 56.Kb1 Rg3 57.Kb2 h3 58.Ka2 h2 59.Ka1 Rg2 60.Kb1 h1Q) 56.Kc1 Kf5 57.Kb2 g4 58.Kc1 (58.Kb1 g3 59.Kc1 g2 60.Kd2 g1Q 61.Kc2 Qf2 62.Kd1 Rh1) 58...Rh2 59.Kd1 g3 60.Ke1 g2 (60...Rf2 61.Kd1 g2 62.Ke1 g1Q) 61.Kf2 (61.Kd2 g1Q 62.Kd3 Qc1 63.Kd4 Rd2 64.Ke3 Qc3) 61…g1Q (61...g1Q 62.Kg1 Rc2 63.Kf1 h4 64.Kg1 Kg4 65.Kf1 h3 66.Kg1 Kg3 67.Kf1 h2 68.Ke1 h1Q; 61...Kg4 62.Ke3 g1Q 63.Kd3 Qd1 64.Kc4 Rc2 65.Kb4 Qb1 66.Ka4 Ra2) 0-1. alddhsfd (1780) - farhathadi (1855), lichess.org, 2019. (=1.a3 e6 2.b4 d5 3.Bb2 c5 4.e3 Nf6 5.bc5 Bc5 6.Nf3 Nc6 7.c4 d4)

10.Bd4 Qd4 11.Nc3 0-0 12.Nb5 Qb6 13.Qc2 +=.

10.Bd4 Qd4 11.Nc3 0-0 12.Be2 b6 13.Bf3 Rb8 14.0-0 (14.Nb5 Qe5 15.Kf1 a6+=) 14...Ba6 15.d3?? (15.Nb5 Qc4 16.Be2 Qe4–/+) 15...Rfd8 (better is 15...Qc3 16.Rc1 Qd4–+ (16...Qa3?! 17.Ra1 Qc3 18.Ra6–/+)) 16.Ne4 (16.Qa4!? Bb7 17.Ne2+=) 16...Qd3 17.Nf6 gf6 18.Be2 Qd1 19.Rfd1 Kf8 20.Kf1 Ke7 21.Ke1 Rb7 22.Rd8 Kd8 23.Rd1 Ke7 24.f4 Rc7 25.Rc1 b5 26.Kd2? bc4–+ 27.Kc3 Kd6 28.Kd4 e5 29.fe5 fe5 30.Kc3 Rc6 31.Rf1 Ke6 32.Bg4 Kd5 33.Bf3 Ke6?? 34.Bc6+– f5 35.g3 e4 36.Ba4 Ke5 37.Bd1 Bb7 38.Be2 e3 39.Bc4 Ke4 40.Rf4 Ke5 41.Be2 h5 42.h4 Bd5 43.Kd3 Be4 44.Ke3 Bb1 45.Bh5 a5 46.Bg6 a4 47.h5 Kf6 48.Be8 Kg5 49.Kd4 Bc2 50.Ke5 Bb1 51.Ba4 Be4 52.Bd7 Kh5 53.Bf5 Bf5 54.Kf5 Kh6 55.Rg4 Kh5 56.a4 Kh6 57.a5 Kh5 58.Rh4 1–0. Fournier,Frederic – chesero, Active, 2008.

10.Bd4 Qd4 11.Nc3 Bd7 12.Be2 0-0 13.0-0 Bc6 14.Nb5 Bb5 15.cb5 Ne4 Exerts pressure on d2 16.Bf3 Rfd8 17.d3 Nc5 18.Qc2 Rab8 19.Rab1 Nd3 20.Rfd1 Rbc8 21.Qd2 Rc3 22.Bb7 Ra3 23.Bc6 g6 24.g3 Kg7 25.Rb4 Qc5 26.Rh4 h5 27.Re4 Nf2 28.Qb2? (28.Qd8 Nd1 29.Qd4 Qd4 30.Rd4–+) 28...Rc3 29.Qf2 Rd1 30.Kg2 Qf2 (30...Qf2 31.Kf2 Rd2 32.Re2 Re2 33.Ke2 Rc2 34.Ke3 Rh2–+) 0–1. orangutandu – sportzika (1670), 2013.

10.Bd4 Qd4 11.Nc3 Ne4 12.Ne4= Qe4 13.Be2 (13.Qe2 Qd4 14.Rb1 e5=) 13...0-0 (13...Qg2 14.Bf3 Qg5 15.Qe2–/+) 14.0-0+= Bd7 (14...Rd8 15.Re1+=) 15.d3 Qg6 16.Bf3 Bc6 17.Bc6 bc6 18.Qf3 Rfd8 Attacks the backward pawn on d3 19.Rfd1 c5 20.Rab1 Rab8 21.Rb8 Rb8 22.g3 Qg5 23.h4 (23.d4 cd4 24.Rd4 Qe7=) 23...Qe5+= 24.Qe4 Qe4 (better is 24...Qb2!?–/+) 25.de4= g6 26.Rd3 Rb1+= 27.Kg2 Re1 28.Kf3 Kg7 29.Rc3 Kf6+= 30.Kf4 h6 31.g4 g5–+ 32.hg5 hg5 33.Kf3 Ke5 34.Rd3 Re4 35.Rd7 f5 36.gf5–/+ Rf4 37.Ke3 ef5 38.Ra7 Rc4–/+ 39.a4 f4 40.Ke2 g4 41.a5 g3 42.fg3 fg3 43.Rg7 Rc3 44.a6 Ra3 45.a7 c4 46.Rg3 Ra7 47.Rc3 Kd4–+ 48.Rc1? c3 49.Kd1 Kd3 50.Ke1 c2 0–1. Fournier,Frederic (1825) – Adeimi,Michel (2020), Match Active, 2007.

10.Bd4 Qd4 11.Nc3 Qe5 12.Be2 Bd7 13.0-0 0-0-0 (13...Qd4 14.Bf3=) 14.Re1 (14.d4 Qd6+=) 14...Qg5 (14...Qf4!?=) 15.Bf3+= h5 (15...Qc5 16.Qb3 b6 17.Rad1+/–) 16.Rb1+/– Bc6 (16...b6!?+/–) 17.Bc6+– bc6 18.Qa4 Qc5 19.Qa6 Kd7 20.Rb7 (20.d4!? Qd6+–) 20...Ke8 21.Na4 Qa3? (better is 21...Qd6!? 22.Qa7 Nd7+–) 22.Qc6 Kf8 23.Nc5 Kg8 24.Qc7 Kh7?? (24...Rf8 25.Ne6 Ne8+–) 25.Qf7 Rhg8 26.Ne6 (better is 26.Ne4 Kh8 27.Nf6+–) 26...Rd2 (26...Rdf8 27.Nf8 Qf8 28.Qf8 Rf8 29.Ra7 Rd8+–) 27.Qf6 Kh8 28.Rg7 Qc3 (28...Qe3 29.Rg8 Kg8 30.Qg7) 29.Qc3 (29.Qc3 Re8 30.Rg8 Kg8 31.Qg7; 29.Qh6) 1–0. Fournier,Frederic (2020) – rengo95 (1795), Active, 2004.

8.Be2 Bd6 9.0-0 Re8 10.Re1 b6 11.Nbd2 Bb7 12.Bf1 Ne7 13.e4 de4 14.de4 e5 15.Nc4 Bc7 (15...Bc5!? 16.Qd8 Rad8=) 16.Be5+= Be5 (worse 16...Ne4 17.Qd8 Bd8 18.Bd3+/-) 17.Nfe5 Ne4 18.Bd3 Nc3? (better 18...f5+=) 19.Qh5?? (better 19.Bh7 Kh7 20.Qh5 Kg8 21.Qf7 Kh7 22.Re3 Ne2 23.Re2+-) 19...g6= 20.Qh4 Qd5 (20...Ned5 21.Qg3 Qc7 22.Ng4 Qg3 23.fg3=+) 21.Qg3 (better 21.Nf3 Qc5 22.Ng5+=) 21...Nf5?? (better 21...Qd4=) 22.Bf5+- Re5 (22...Rad8 23.h3 Qd4+-) 23.Ne5 (23.Re5?! Qc4 24.Rae1 Bc6+-) 23...Re8 24.Bh3 (better 24.Bd3!? Re6+-) 24...Ne4 25.Qd3 (better 25.Ng4 Qc6 26.Qb3+-) 25...Qe5 26.f3 Qc5 27.Qe3 Qe3 28.Re3 Nf6 29.Rae1 Rd8 30.Re7 Kg7 (30...Rb8+-) 31.Rb7 Rd2 (31...Ng8 32.Ra7 Kf8 33.Bd7+-) 32.Ree7 Rc2 (32...Kh6 33.Rf7 Rd6+-) 33.Rf7 Kh6 34.Rf6 Rc1 35.Kf2 Rc2 36.Kg3 Rc5 (36...a6 37.Rff7 Rc4 38.f4 Rf4 39.Kf4 g5 40.Kf5 Kh5 41.Rh7) 37.Bg4 Rg5 (37...a5 38.Rff7 Rf5 39.Rh7 Kg5 40.Rb6 Rf3 41.Kf3 a4 42.h4) 38.h4 Rc5 (38...a6 39.Rff7 Rg4 40.Kg4 b5 41.Rh7) 39.Rff7 g5 (39...Rc7 40.Rbc7 b5 41.Rh7) 40.Rh7 (40.Rf6) 40...Kg6 41.Rhd7 (41.h5 Kf6 42.Rbe7 a6 43.Rhf7) 41...Kf6 (41...gh4 42.Kh4 Rf5 43.Bf5 Kf5 44.Rf7 Ke6 45.Rbd7 a5 46.Kg5 Ke5 47.Rfe7) 42.Rd6 Ke5 43.Re6 (43.Rbd7 gh4 44.Kh4 Kf4 45.Re6 Re5 46.g3 Ke3 47.Re5 Kf2 48.Rd2 Kf1 49.Bh3 Kg1 50.Re1) 43...Kd4 44.Re4 (44.h5 Kc4 45.h6 Rd5 46.Re4 Kc3 47.Rc7 Kd3 48.h7 Rc5 49.h8Q Kc2 50.Re2 Kd3 51.Qb2 Rc7 52.Rd2 Kc4 53.Qb4) 44...Kc3 45.hg5 (better 45.h5 Rc6 46.Re6 Rc4+-) 45...Kb2 46.Rbe7 (46.g6 Rg5 47.g7 Rg6 48.Ra7 Rd6 49.Rb4 Kc1 50.Rc7 Kd2 51.g8Q Rd3 52.Qa2 Ke1 53.Rb1 Rd1 54.Qf2) 46...Ka3 47.R7e5 Rc3 48.Re3 Kb4 (48...Rd3 49.Rd3 Kb4 50.g6 b5 51.g7 a6 52.g8Q Ka5 53.Qe6 Kb4 54.Qa6 Kc4 55.Qb5) 49.Rc3 Kc3 (49...a6 50.g6 Kc3 51.Re3 Kc2 52.g7 Kd2 53.Kf4 b5 54.g8Q Kc1 55.Rd3 a5 56.Qb3 a4 57.Rd1) 50.Re3 Kc4 (50...Kc2 51.g6 Kb1 52.g7 Kc2 53.g8Q Kd2 54.Kf4 a6 55.Qa2 Kd1 56.Bf5 Kc1 57.Re1) 51.Re4 Kc5 (51...Kd3 52.g6 b5 53.g7 a5 54.g8Q Kc3 55.Qd5 b4 56.Qd4 Kb3 57.Re3 Kc2 58.Bf5 Kc1 59.Re1) 52.g6 Kc6 (52...b5 53.g7 a6 54.g8Q a5 55.Qc8 Kb6 56.Re6 Ka7 57.Ra6) 53.g7 b5 (53...Kb7 54.g8Q b5 55.Re6 b4 56.Qg7 Kb8 57.Re8) 54.g8Q Kb6 (54...Kc5 55.Qg6 a5 56.Bd7 a4 57.Qc6) 55.Qd5 Ka5 (55...a6 56.Qd6 Kb7 57.Re7 Ka8 58.Qd8) 56.Re5 (56.Qd8 Ka6 57.Bc8) 56...Kb4 57.Qb5 Kc3 58.Qe2 (58.Qc5 Kb2 59.Qb4 Kc2 60.Re1 a5 61.Bf5) 58...Kd4 (58...a5 59.Ra5 Kb4 60.Qd2 Kc4 61.Be6) 59.Re4 (59.Re4 Kc5 60.Qa6 Kd5 61.Bd7 Kc5 62.Qc6; 59.Qe3 Kc4 60.Be6 Kb4 61.Qb3) 1-0. Takeda (2390) - KarAv (2205), Rated Bullet tournament cocAtggx, lichess.org, 2015.

8.Be2 Re8 9.d4+= Bd6 10.0-0 Ne4 (10...Qb6!? 11.Nc3 Bd7=) 11.Nbd2= f5 12.c4 Nd2 (12...Qa5 13.Qc2=) 13.Qd2+= Na5 14.c5 Bc7 15.Qc2 Bd7 16.Bc3 Nc6 17.Rab1 Rb8 18.Ne5 (18.Bb5 Rf8+=) 18...Ne5= 19.de5 Bc6 20.Bd4 a6 (20...Qd7 21.f4=) 21.g4 (21.f4!?+=) 21...fg4= 22.Bg4 Qg5 23.h3 h5 (23...Bb5 24.f4 Qe7 25.Rf2=) 24.f4+= Qh4 25.Bf3 Qh3 26.Qg6 h4?? (better is 26...Rf8 27.Qh5 Qh5 28.Bh5 Bb5+=) 27.Bg4+– Qg3 28.Kh1 Re7 29.Rf3 Be8 (29...Qf3 30.Bf3 Rbe8 31.Kg2+–) 30.Qg5 Bd8 (30...Qf3 31.Bf3 Rf7 32.Rg1+–) 31.Rg3 hg3 32.Bh3 (32.f5!? ef5 33.Bf5 g6+–) 32...Bb5 (32...Bd7 33.Qg3 Bc7 34.Qg6+–) 33.Qg3 (better is 33.Qg6 Kf8+–) 33...Bd3 (33...Bc7 34.f5 ef5 35.Bf5+–) 34.Rg1 g6 (34...Kf8 35.Be6! Be4 36.Kh2+–) 35.f5! Rg7 (35...Bf5 36.Bf5 Combination; 35...ef5 36.Qg6 Mate attack) 36.fg6 Be4 37.Kh2 (37.Kh2 Rg6 38.Be6 Kg7 39.Bg4+–) 1–0. Valenta,Vit (2130) – Tyda,Krzysztof (1970), Tatranske Zruby SVK, Tatry Open, 2014.

8.0-0 e5 9.Nc3? e4-+ 10.Bb5 ef3 11.Qf3 0-0 (11...a6!? 12.Bc6 bc6 13.Na4-+) 12.Nd5 Nd5 13.Qd5 Be6 14.Qh5 Rac8 (better 14...Rad8-/+) 15.d4= Bd6 16.d5 g6 17.Qh6 Be5 18.Be5 Ne5 19.de6 Rc2 20.ef7 Qf7 21.Qh4 h5 (21...a6!? 22.Qg3 Qe6+=) 22.Rad1 Ng4 23.h3 Nf2? (23...Ne5 24.f4 Nc4 25.Rd7+-) 24.Rd7 (better 24.Bd3 Qe8 25.Bc2 Nd1 26.Qc4 (worse 26.Bd1 Qe3 27.Kh2 Rf1 28.Qc4 Rf7-/+; 26.Rd1?! Qe3 27.Kh1 Kg7+-) 26...Kh7 27.Rf8 (27.Bd1?! Qe3 28.Kh1 Rf1 29.Qf1 Qa3+-) 27...Qf8 28.Qd3 (28.Bd1?! Qa3 29.Kf2 Qb2 30.Bc2 Kh6+-) 28...Qf2 29.Kh2+-) 24...Nh3?? (better 24...Qf6 25.Qf6 Rf6 26.Rb7 a5+-) 25.Qh3 Qf1 (25...Qe8 26.Rf8 Qf8 27.Qe6 Kh8 28.Qe5 Kg8 29.Qd5 Kh8 30.Qd4 Kg8 31.Bc4 Rc4 32.Qc4 Kh8 33.Qd4 Kg8 34.Qd5 Kh8 35.Qe5 Kg8 36.Qe6 Kh8 37.Qg6 Qf1 38.Kf1 h4 39.Qe8) 26.Bf1 (26.Bf1 Rc1 27.Qe6 Kh8 28.Qe5 Rf6 29.Qf6 Kg8 30.Qd8) 1-0. black_bishop_88 (2395) - movingtargent (2335), lichess.org, 2020. (=1.a3 c5 2.b4 e6 3.bc5 Bc5 4.Bb2 Nf6 5.e3 d5 6.Nf3 Nc6)

8.0-0 e5 9.Be2 e4 10.Nd4 Bd4 11.Bd4 Nd4 12.ed4 0-0 13.c4 (13.Nc3 a6=+) 13...Be6 (better 13...dc4!? 14.Bc4 Qd6-/+) 14.c5=+ b6 15.Nc3 (15.Qc2!?=+) 15...bc5-+ 16.dc5 (16.d3 cd4 17.Nb5 Rfc8-/+) 16...Qc5 (16...d4 17.Nb5 d3 18.Rc1-+) 17.Qa4 (better 17.Na4 Qd4 18.Nc3-+) 17...d4 18.Nb5 Bd7 (better 18...d3 19.Rac1 Qb6 20.Bd3 ed3-+) 19.Qd4-/+ Rfc8 (19...Qd4 20.Nd4 Rad8 21.Ra2-/+) 20.Qc5=+ Rc5 21.Nc3 Rd8 22.Rfe1 Bf5 23.Ra2 h6 24.Bf1 Be6 (24...Rc6 25.f3 ef3 26.gf3=+) 25.Rb2= Rd4 26.Rb4 (26.f3 ef3 27.gf3=) 26...Rb4 (better 26...Rd2!? 27.Ne4 Ne4 28.Rbe4 Ra5=+) 27.ab4+= Rc4?? (better 27...Rc6+=) 28.Bc4+- Bc4 29.Ne4 Nd5 30.Nc3 (better 30.Nd6 Bd3 31.b5+-) 30...Nb4 (30...Nc3 31.dc3 a6+-) 31.Re4 Nd5 (31...Bd3 32.Rb4 Kf8 33.Rb8 Ke7 34.Rb7 Ke6 35.Ra7+-) 32.Rc4 Nf6 33.Ra4 Kh7 34.Ra7 Ng4 (34...Kg6 35.d4 Nh5 36.d5+-) 35.f3 (35.Rf7!? Ne5 36.Rc7 Nd3+-) 35...Ne5 36.d4 Nc4 (36...Nc6 37.Rd7 f5 38.d5+-) 37.Rf7 Nd6 38.Rd7 Nf5 39.d5 Ne3 (39...Kg8 40.d6 Kf8 41.Nb5+-) 40.d6 Nc4 (40...Nf5 41.Nb5 Nd6 42.Nd6+-) 41.Rd8 (better 41.Rg7! Kg7 42.d7 Nd6+-) 41...Ne5 42.d7 Nf7 (42...Kg6+-) 43.Re8 (43.Rf8 h5 44.Rf7 Kg6 45.Re7 Kh7 46.d8Q Kg6 47.Qf8 h4 48.Rg7 Kh5 49.Qh8) 43...Ne5 44.d8Q (44.d8Q Nf7 45.Qd3 g6 46.Re7 Kg7 47.Qd4 Kg8 48.Qf6 Kh7 49.Qf7 Kh8 50.Qe8; 44.Re5 Kg8 45.d8Q Kh7 46.Qd3 Kg8 47.Qg6 Kf8 48.Re8) 1-0. black_bishop_88 (2495) - filoso (2490), lichess.org, 2020. (=1.a3 c5 2.b4 Nf6 3.bc5 e6 4.Bb2 Bc5 5.e3 d5 6.Nf3 Nc6)

8.Ra2 Bd6 9.c4 dc4 10.Bc4 Bd7 11.0-0 0-0 12.Nbd2 Rfe8 13.Bd3 Na5 14.e4 Bf4 15.Bc3 Bb5 (15...Rec8 16.Rb2 Qd8 17.Ba5 Qa5 18.e5+/– (worse is 18.Rb7 Bc6 19.Rb2 Qa3=)) 16.Rb2 Bd3 17.Rb6 ab6 18.Re1 Rec8 19.Bb2 Rc7 20.d5! ed5 21.Bf6 gf6 22.ed5 Rd8 23.Qa1 Rd6 (23...Bd2 24.Qf6 Rcc8 25.Nd2 Rd5 26.Qb6 Rc6+–) 24.Qd4 Bd2 25.Nd2 Bg6 26.h4 Rc5 27.Ne4 Be4 28.Re4 Rc4?? 29.Qd3 Re4 30.Qe4 Kg7 31.g4 h6 32.Kg2 Nb3 33.Qf4 White intends g5 33...Rd7 34.g5 hg5 35.hg5 fg5 36.Qg5 Kf8 37.Qh6 Kg8 38.Qb6 Nc1 39.Qc5 Kg7 40.Qc1 Rd5 41.Qb2 (41.Qb2 Kg6 42.Qb7+–) 1–0. Tiller,B (2390) – Harvey,Marcus R, 4NCL, 2011.

8.Ra2 Be7 =.

8.Qc1 Bd6 9.c4 Qc7 10.Nc3 Be7 11.Nb5 Qb8 12.Rb1 0-0 13.Qc2 Re8 14.cd5 ed5 15.Bd3 a6 16.Nc3 Qd6 17.0-0 Bg4 18.Ne5 Be6 19.Na4 Rac8 20.Qe2 Ne4 21.Rfc1 Ne5 22.de5 Rc1 23.Rc1 Qd7 24.Nc3 f5 25.ef6 Nf6 26.Bc2 Bd6 27.Ba4+= b5 28.Nb5 ab5 29.Bb5 The passed pawn on a3 quickly leads to threats 29...Qe7 30.Be8 Ne8= 31.a4 Qh4 32.f4 Bf8 33.a5+= Nd6 34.a6 Qd8 35.a7 Qa8 36.Qa6+– Bf5 37.Bd4 (37.Bd4 Nc8 38.Rc7 Na7 39.Bg7+–) 1–0. Koslowski,Volker (1985) – Schueller,Rudolf (1865), DESC, 2003.

8.Qc1 Bd6 9.Nbd2 Na5 (9...0-0 10.c4 Qc7 11.Bd3=) 10.c4 dc4 11.Ne5 Be5 (11...Bd7!?=) 12.de5+= Nd5 13.Nc4 Nc4 14.Bc4 0-0 15.e4 (15.0-0 Bd7 16.Qd2 Bb5+=) 15...Nc7 (15...Bd7 16.ed5 Rfc8 17.d6+=) 16.0-0+– Bd7 17.Rd1 Rfd8 18.Bd4 (18.Qd2 Nb5+–) 18...Qc6+= 19.Qc2 b5 (19...Be8 20.Rac1+=) 20.Bd3 (20.Bb3 Qc2 21.Bc2 Bc6+–) 20...Qc2 (20...Qb7 21.Qb2+–) 21.Bc2 Bc6 (21...Rdc8 22.Rac1+–) 22.Be3 Rd1 23.Rd1 h6 (23...Na6 24.f3+–) 24.Rd6+– Bb7 25.f3 a6 26.Bb3 (26.Bd3 Rc8+–) 26...Ne8 (26...Rc8 27.Rb6 Rb8 28.Bd2+–) 27.Rb6 Rb8 28.Kf2 Nc7 29.Kg3 Na8 30.Rd6 Nc7 (30...Rc8 31.Bd2+–) 31.Kg4 (31.Rd7 Na8+–) 31...Ne8 32.Rb6 Nc7 33.Bc5 (33.h4 Na8 34.Rd6 Rc8+–) 33...Na8 34.Rd6 Nc7 (better 34...Rc8 35.Bb4 Rc1+–) 35.Rd7 Ne8 36.Ba7 Rc8?? (36...Bc6 37.Rf7 Kf7 38.Bb8 a5+–) 37.Rb7 Rc3 (37...g6 38.Bd4+–) 38.Bd1 Rd3 (38...Kf8 39.a4 Rc1 40.ab5 ab5 41.Be2+–) 39.Be2 Ra3 (39...Rd2 40.Bf1+–) 40.Rb8 Kf8 (40...Ra2 41.Re8 Kh7+–) 41.Bc5 Kg8 42.Re8 Kh7 43.Ba3 Kg6 44.Ra8 h5 45.Kh4 (45.Kh4 Kh7 46.Kh5 g6 47.Kg5 b4 48.Bb4 Kg7 49.Be7 f6 50.ef6 Kh7 51.f7 a5 52.f8Q a4 53.Qf7) 1–0. Adlai – Bassigh, corr, 2018.

8.Bc1 Bd6 9.c4 dc4 10.Bc4 e5 11.Nc3 ed4 12.Nb5 Be7 13.Nbd4 0-0 14.0-0 Bg4 15.Qb3 Qb3 16.Bb3 Rac8 17.Nc6 Rc6 18.Nd4 Rc7 19.Bb2 Bc5 20.Nb5 Rc6 21.Bd4 a6= 22.Rac1 b6=+ 23.Bc5 bc5 24.Nd4 Rcc8 25.Nf3 Bf3 26.gf3 Rfd8 27.Bc4 Rd6 28.Rfd1 Rcd8 29.Rd6 Rd6 30.Rb1 Nd7 31.Rb7 Kf8 32.f4+= a5 33.Ra7 Nb6 34.Rf7 The passed pawn on e3 will quickly become a dangerous weapon 34...Ke8 35.Ba2 c4 36.Rb7 Rd2 37.Rb6 Ra2 38.Rc6 Ra3 The passed pawn on a5 quickly leads to threats 39.Rc4 Ra1 40.Kg2 a4 41.Rc7+/– Kf8 42.Ra7 a3 43.e4 a2 44.e5 h5 45.Kh3 Ke8 46.f5 Re1+= 47.Ra8 Kf7 48.e6 Kf6 49.Ra2 Kf5 50.Ra5+/– Ke6 51.Rh5 Kf6 52.Kg3 Rg1 53.Kf4 g5+= 54.Ke4 Rg4 55.Kf3 Rf4 56.Kg3 Rb4 57.f3 Rd4 58.Rh8 Ke5 59.Ra8 Rh4 60.Ra5 Kf6 61.Ra7 Rd4 62.Ra6 Kf5 63.Ra8 Rd5 64.Rf8 Kg6 65.Re8 Kf5 66.Ra8 Rc5 67.Re8 (better is 67.Ra4!?+/–) ½–½. Ringsborg,Allan (2275) – Eilmes,Don P (2295), corr EM/MN/007 ICCF Email, 1998.

8.Bc1 Be7 9.Bd3 Ne4 10.c4 Nb4?? (better 10...Qa5 11.Nfd2 0-0=) 11.ab4+- Bb4 12.Nbd2 dc4 (12...Nd2 13.Bd2 dc4 14.Bc4+-) 13.Be4 Bd2 (13...c3+-) 14.Bd2 f5 15.Bc2 h6 (15...0-0 16.Ne5+-) 16.Ba4 Bd7 (16...Kf7 17.Ne5 Kg8 18.0-0+-) 17.Ne5 Ba4 (17...0-0-0 18.Nc4 Qc7 19.Bd7 Rd7 20.Ra7 Qc4 21.Ra8 Kc7 22.Rh8+-) 18.Qa4 Ke7 19.Qd7 Kf6 20.Qf7 Kg5 21.h4 1-0. marekt (2125) – jcarlson, gameknot.com, 2019.

8.Nc3 Bd6 9.Bd3 Bd7 10.Rb1 0-0 11.0-0 Ne7 12.Qe2 Ng6 13.g3 Rfc8 14.e4 de4 15.Ne4 Ne4 16.Qe4 Bc6 17.Qe2 Qa5 Attacking the isolated pawn on a3 18.c4 b6 (worse is 18...Ba3 19.Bg6 Bb2 20.Bf7 Kf7 21.Ne5 Kg8 22.Qg4+/–) 19.Nd2 Rd8 20.Ne4 Bf8 (20...Ba3? 21.Ra1+–) 21.h4 1–0. Fournier,Frederic (2405) – Adam,Reinhard (2425), chess.com (team), 2009.

9.c4 0-0 10.Nbd2 Na5 11.Ne5 Nc4 12.Ndc4 (12.Ndc4 dc4 13.Bc4=). lasker (2060) – Amir Bagheri (2450), internet, 2007.

9.c4 0-0 10.Nbd2 Bd7 11.Bd3 Rfc8 12.0-0 Na5 13.c5 Qc7 14.Bc3 Nc6 15.Qb2 Rab8 16.Rfc1 b6 17.cb6 Rb6 18.Qc2 Bd6 19.Nb3 Ne4 20.Nc5 Nc3 21.Qc3+= h6 22.Ra2 Ne7 23.a4= Qd8 24.Qd2 Rbb8 25.Rca1 Bc5–/+ 26.dc5 Rc5 27.Rc2 Rc2 28.Qc2 f6 29.Nd4 e5 30.Nb5 a6 31.Nc7 Rc8 32.Rc1 Bc6 33.Na6 Ba4! 34.Qb2 Rc1 35.Qc1 Be8 36.Qc5 Bg6 37.Bf1 d4 38.ed4 ed4 39.Nb4 Qd7 40.Bb5 Qb7 41.f3 Kh7 42.h4 Qb8 43.h5 Bb1 44.Nd3 Qb7 ½–½. Taulien,Hans_Juergen (2350) – Friedrich,Fritz (2200), remoteschach.de, 2003.

9.c4 dc4 10.Nbd2 0-0 11.Nc4 Qd8 12.Bd3 b5 13.Ncd2 Qb6 14.0-0 a6 15.Nb3 Bb7 16.Nc5 Na5 17.Nb7 Qb7 18.Qb1 Nc4 19.Bc3 Na3 20.Qb3 a5 21.Ra3+/– Ba3 22.Qa3 b4 23.Qb2 Rfc8 24.Rb1 Rc3= 25.Qc3 Rd8?? 26.Qc5+– Rd5 27.Qc2 Rd8 28.Ne5 Rc8 29.Qa4 Ra8 30.Qc6 Qa7 31.Bc4 Re8 32.Ra1 1–0. Benjap – ancientmage, ChessWorld.net, 2002.

9.c4 Bd7 10.c5 Qc7 (10...Qa5 11.Qd2 (11.Nbd2 Qc7 12.Bd3 b6 13.Rb1 bc5 14.dc5 Rb8=; 11.Bc3 Qc7 12.Bd3 b6 13.cb6 ab6 14.0-0 0-0=; 11.Qc3 b6 12.Qa5 Na5 13.cb6 ab6 14.Ne5 Nb3=) 11...Qd8 12.Bd3 0-0 13.0-0 b6 14.Qc2 Rc8=; 10...Qd8 11.Nbd2 (11.Bd3 Rc8 12.0-0 b6 13.Nbd2 Nb8 14.Qb1 bc5+=; 11.Be2 Rc8 12.0-0 b6 13.Nbd2 Nb8 14.Nb3 Ba4+=; 11.Qc2 Rc8 12.Nbd2 0-0 13.Bd3 b6 14.g4 h6+=) 11...b6 12.Bd3 Rb8 13.0-0 bc5 14.dc5 Qa5=) 11.Nc3 (11.Bd3 b6 12.cb6 ab6 13.Nc3 0-0 14.Nb5 Qd8+=; 11.Nbd2 b6 12.Bd3 bc5 13.dc5 Rb8 14.e4 e5+=; 11.Be2 b6 12.0-0 bc5 13.dc5 Na5 14.Nbd2 Qc5+=) 11...0-0 (11...Qa5 12.Nd2 0-0 13.Nb3 Qd8 14.Bd3 Re8=) 12.Bd3 Rfb8 (12...b6 13.cb6 ab6 14.Nb5 Qd8+=) 13.0-0 Na5 (13...b6 14.Rb1 bc5+=) 14.Qc2 (14.Rb1 b6=) 14...b6 15.Ne5 (15.cb6!? Rb6 16.Ne5=) 15...bc5–/+ 16.Nd7 Qd7 17.dc5 Nb3 18.Rab1 Nc5 (18...Bc5 19.Nb5 Rb5 20.Bb5 Qb5 21.Bf6 gf6 22.Rb3+/–) 19.Rfd1 Nd3 20.Qd3 Rb3 21.Bc1 Rb1 22.Qb1 Rc8 23.Ne2 Qa4 24.Rd4 Qc2 25.Qc2 Rc2 26.Kf1 Ne4 27.Ra4?? (better is 27.f3 Nc3 28.Rd2 Rd2 29.Bd2 Ne2 30.a4–+) 27...Re2! 28.Ke2 Nc3 29.Kd3 Na4 30.Kc2 f5 31.Kb3 Nb6 32.Bd2 (32.Bb2 Nc4–+) 32...Ba3! 33.Ka3 Nc4 (33...Nc4 34.Kb4 Nd2–+) 0–1. tflk (1755) – glovio (2110), gameknot.com, 2014.

9.c4 Bd7 10.Nbd2 A) 10...0-0 11.Bd3 (11.Be2 Rfc8 12.0-0 Rab8 13.Qb1 Na5 14.cd5 ed5=; 11.Qc3 Rfc8 12.c5 Qc7 13.Bd3 b6 14.Nb3 Nd8+=; 11.Qc2 Rac8 12.c5 Qc7 13.Bd3 b6 14.Nb3 bc5+=) 11...Qd8 12.0-0 a6 13.Qb1 Rc8 14.Rc1 dc4+=; B) 10...Qc7 11.Bd3 (11.Qc2 a6 12.Bd3 Rc8 13.Rc1 dc4 14.Qc4 0-0=; 11.Rb1 0-0 12.Bd3 Rab8 13.0-0 Rbc8 14.Qc2 dc4=; 11.Qc3 0-0 12.Bd3 Rfc8 13.Rc1 dc4 14.Qc4 Rab8=) 11...Rc8 12.0-0 0-0 13.Qb1 b6 14.cd5 ed5+=; C) 10...Rc8 11.Be2 (11.Rb1 0-0 12.c5 Qc7 13.Bd3 b6 14.Qc3 bc5=; 11.Bd3 Qd8 12.c5 b6 13.0-0 Nb8 14.Qb1 bc5+=; 11.Qc2 dc4 12.Rb1 Qd8 13.Bc3 Rc7 14.Nc4 a6=) 11...Qd8 12.0-0 Rc7 13.c5 0-0 14.Bd3 b6=.

9.Nbd2 0-0 10.c4 Bd7 11.Bd3 Na5 12.c5 (12.Ne5 A) 12...Nc4 13.Ndc4 (13.Nec4 dc4 14.Nc4 Qa6 15.Qc3 Rfc8 16.Qa5 Rab8+=; 13.Bc4 Rfc8 14.0-0 dc4 15.a4 Qa6 16.Qc2 c3–/+) 13...dc4 14.Nc4 Qa6 15.Qc3 Rfc8 16.Qa5 Rab8+=; B) 12...Rfc8 13.c5 (13.Nd7 Nd7 14.c5 Bc5 15.Qb1 Bd6 16.Bh7 Kh8+=; 13.0-0 dc4 14.Ndc4 Nc4 15.Nc4 Qa6 16.a4 Rc7+=; 13.f3 dc4 14.Nec4 Qa6 15.a4 Nd5 16.Kf2 Nb4–/+) 13...Qd8 14.Bc3 Nc6 15.Qc2 b6 16.Nd7 Qd7=; C) 12...dc4 13.Ndc4 (13.Nec4 Nc4 14.Nc4 Qa6 15.Qc3 Rfc8 16.Qa5 Rab8+=; 13.Bc4 Rfc8 14.Qb1 Nc4 15.Ndc4 Qb5 16.Nd7 Nd7–/+; 13.Be2 Bb5 14.a4 Ba6 15.Nec4 Bc4 16.Nc4 Nc4–/+) 13...Nc4 14.Nc4 Qa6 15.Qc3 Rfc8 16.Qa5 Rab8+=) 12...Qc7 (12...Qd8 13.Rb1 (13.Ne5 b6 14.0-0 Rc8 15.Ba6 Rc7 16.Qc3 Nc6=; 13.Bc3 Nc6 14.0-0 Qc7 15.Qc2 Rfc8 16.Rab1 b6=; 13.Qc3 b6 14.Ne5 Rb8 15.0-0 bc5 16.dc5 Bb5=) 13...b6 14.0-0 Rc8 15.Ba6 Rc7 16.Bc3 Nc6+=; 12...Qc6 13.0-0 (13.Rb1 Qc7 14.Bc3 Nc6 15.0-0 b6 16.cb6 ab6=; 13.Ne5 Qc7 14.Nd7 Qd7 15.Qc3 Nc6 16.Rb1 Rab8=; 13.Bc3 Qc7 14.Qb2 Nc6 15.0-0 Rab8 16.Qc2 Rfc8=) 13...Qc7 14.Rb1 Rfc8 15.Ne5 b6 16.Ba6 Rcb8+=) 13.Bc3 (13.Ne5 b6 14.cb6 Qb6 15.Rb1 Rfc8 16.Qd1 Nc6=; 13.Qc2 Rac8 14.Ne5 b6 15.Rc1 Nc6 16.Nd7 Nd7=; 13.0-0 b6 14.cb6 Qb6 15.Rb1 Rfc8 16.Bc3 Qc7=; 13.Qc3 b6 14.Ne5 bc5 15.dc5 Ba4 16.Rc1 Rab8=) 13...Nc6 14.0-0 b6 (14...Rfc8 15.Qc2 b6 16.Nb3 bc5=) 15.Bb4 Nb4 16.ab4 a5 17.Ne5 ab4 18.c6 Ra1 19.Qa1 Bc8 (19...Bc6? 20.Rc1+–) 20.Qa4 Bd6 21.f4 Rd8 22.Nb3 Re8 23.Ra1 Rf8 24.Qb5 h5 25.h3 Rd8 26.Ra8 Rf8 27.Qa4 Qe7 28.Ra7 Qd8 29.Nd2 Bb8 30.Ra8 Bd6 31.Ba6 b5 32.Bb5 Qb6 33.Nb3 (33.Nd3 Rd8+=) 33...Ne4+= 34.Ba6 (34.Qa5!? Qa5 35.Na5+=) 34...Nc3 35.Qa5 Qa5 36.Na5 Ba6 37.Ra6 Nd1 38.Ra7 Rc8 39.Nf7 Rc7 40.Nb7 (40.Nd6 Ra7 41.f5 Ra5+= (41...Ne3?! 42.fe6 Rc7 43.Nb5=)) 40...b3 41.Ra1 (41.Nfd6 b2 42.Ra8 Kh7 43.Nf7 Rf7 44.Nd8–+) 41...b2–/+ 42.Rb1 Ba3 0–1. phildo (1875) – kennys (2015), gameknot.com, 2013.

9.Nbd2 0-0 10.Bd3 Na5 11.Bc3 Nc6 12.0-0 Bd7 13.Rb1 Qc7 14.Re1 Rab8 15.e4 b5 16.e5 Ng4 17.h3 Nh6 18.Nb3 a5 19.Bd2 Nf5 20.g4 Nh4=+ 21.Nh4 Bh4 22.g5 Qd8 23.Be3 b4 24.Nc5 f6 25.gf6 gf6 26.Qd1 f5 27.Qh5 Be7 28.Kh2 Kh8 29.Rg1 Bc5= 30.dc5 Qe8 31.Qh4 Qf7 32.Bh6 Rg8 33.Rg8 Rg8+– 34.Qf6 Qf6 35.ef6 Ne5 36.ab4 ab4 37.f4 Ng6 38.f7 (38.f7 Rb8 39.h4+–) 1–0. Woelfelschneider,Peter – Matthes, 2010.

9.Nbd2 Na5 10.c4 dc4 11.Nc4 Nc4 12.Bc4 Bd7 13.Bd3 Rc8 14.Qd2 Bb5 15.Rb1 Bd3 16.Qd3 Qa5 17.Nd2 0-0 18.0-0 Rc7 19.Rfc1 Rfc8 20.h3 h6 21.Nb3 Rc1=+ 22.Rc1 Rc1 23.Bc1 Qe1 24.Qf1 Qf1 25.Kf1= b6 26.Ke2 Ne4 27.f3 Nd6 28.a4 f5 29.Kd3 Kf7 30.Nd2 g6 31.e4 Bg5 32.Ba3+= Bd2 33.Bd6 Be1 34.e5 a6= 35.Kc4 Ke8 36.Ba3 Kd7 37.d5 b5=+ 38.ab5 ab5 39.Kb5 ed5 40.Bc1 g5 41.f4 gf4 42.Bf4 h5 43.Kc5 Ke6 44.Kd4 Bf2 45.Kd3 Bb6 46.Kc3 Bc5 47.Kd3 Bf2 ½–½. Petrova Kalmukova – Danova, Sofia, 1982.

9.Nbd2 Ne4 10.Bd3 Nd2 11.Nd2 0-0 12.0-0 Qc7 13.c4+= Bd7 14.Qd1 Na5 15.c5 b6= 16.cb6 ab6+= 17.Rc1 Qb8 18.e4 b5 19.ed5 Nc4 Increasing the pressure on the isolated pawn on a3 20.Bc4 bc4 21.Nc4 Bb5 22.Ba1 Ba3 23.Rb1 Qc7 24.Rb5 Qc4 25.Qb3 ed5 26.Rb1 Bd6 27.Qc4 dc4 28.Bc3 Ra3 29.Bb4 Bb4 30.R5b4 Rc3 31.h3 g6 32.d5 Rd3 33.Rc4 Rd5 34.Rb7 Kg7 ½–½. Geissler,Walter – Kosmol,Horst, BdF, 2004.

9.Bd3 0-0 10.0-0 Qc7 11.c4 Na5 12.cd5+= Qc1 13.Bc1 Nd5 14.Ra2+= b6 15.Rb2 Bb7 16.Bd2 Nc6 17.Rc1 Rfc8 18.e4 Nf6 19.Rbc2 (19.Rbc2 a6 20.Bg5+=). Schellen,Anton – Tsavdaris,George (1700), FICGS, 2006.

9.Bd3 0-0 10.0-0 Bd7 11.Nbd2 Rac8 12.c4 Qc7 13.Rb1 Na5 14.cd5 Nd5 15.Qe1 Ba4 16.Ne5 f6 17.Rc1 Qb6 18.Ndc4 Nc4 19.Nc4 Qa6 20.Qe2 Bb5 Exerts pressure on the isolated pawn 21.Ne5 Bd3 22.Nd3 Nb6 (22...Ba3? 23.Rc8 Rc8 24.Ra1+–) 23.Rfd1 Na4 (23...Ba3 24.Rc8 Rc8 25.Ra1 Qd3 26.Qd3 Bb2 27.Rb1+–) 24.Rb1 Rc7 25.Qg4 Nb2 26.Rb2 Ba3 27.Rbb1 Rfc8 28.Nf4 f5 29.Qf3 g5 30.Nd3 g4 31.Qf4 Qd6 32.Qh6 Qe7 33.e4 Rd8 34.Nf4 Rd6 (worse is 34...fe4 35.Qe6 (worse is 35.Ne6 Rd6 36.Qg5 Qg5 37.Ng5 Re7–+) 35...Kh8 36.Qg4+=) 35.e5 Ra6 36.d5 ed5 37.e6 Qf8 38.Qh5 Ra5 39.Nd5 Rg7 40.Ra1 Kh8 41.Ne3 1–0. Fournier,Frederic (2500) – Zvone,Noni (2030), chess.com (team), 2010.

9.Bd3 Qa5 10.Nbd2 b5 11.0-0 0-0 12.c3 h6 13.e4 de4 14.Ne4 Ne4 15.Be4 Bd7 16.a4 ba4 17.Bc2 Qc7 18.Qd2 Rab8 19.Qd3 f5 20.Bc1 Na5 21.Ba4 Bc8 22.Ne5 Nb3 23.Bb3 Rb3 24.Ng6 Re8 25.Ne7 Re7 26.Ra3 Ra3 27.Ba3 Rd7 28.Qe3 Qc4 29.Re1 Rb7 30.Bb4 Qc7 31.Qe5 Qe5 32.Re5 Bd7 33.f4 Rb5 34.Rb5 Bb5 35.Kf2 Kf7 36.Ke3 Kg6 37.Kd2 Kh5 38.Bf8 Kg4 39.Bg7+= ½–½. Fournier,Frederic (2365) – Velemajstorzgodan10 (2145), chess.com (Team) World Cities Leagu, 2011.

9.Bd3 Ne4 10.c4 f5 11.0-0 0-0 12.a4 1–0. Degterev,Pavel (2250) – Vincent,Axel (1625), CP–2010–P–00020, 2010.

8.c4 0-0 9.Nbd2 Bc7 10.Be2 Ne4 11.0-0 f5 12.Rc1 Bd7 13.Ne5 Ne5 14.de5 Qb8 (14...Bc6 15.Bd4+=) 15.cd5 Be5 16.Be5 Qe5 17.de6 (17.Bc4 Rad8 18.f4 Qd6 19.Ne4 fe4+/-) 17...Be6= (17...Qe6?? 18.Bc4 Qc4 19.Rc4+-) 18.Nf3 Qa5 ½-½. jhonores (2185) - KYRNIKOS (2245), Rated Blitz game, lichess.org, 2020.

8.c4 0-0 9.Bd3 dc4 10.Bc4 Bd7 (10...e5 11.de5 Qd1 12.Kd1=) 11.0-0+= Rc8 12.Nbd2 (12.Bd3 Nd5+=) 12...Na5 (12...Nd5 13.Rc1=) 13.Bd3+= Bc7 14.g3 (14.Ne5 Nd5+=) 14...b5 (14...Bc6!?+=) 15.Qe2+/– a6 16.e4 (16.Rac1 Bc6+=) 16...Bc6 17.Rac1 Bb8 (17...Qe7 18.Rc2+=) 18.a4 (18.Ne5 Be5 19.de5 Nd7+/–) 18...ba4+= 19.Ba6 Bb7 (better is 19...Rc7!?+/–) 20.Bb7+– Nb7 21.Ba3 Re8 22.Qa6 (22.e5 Nd5 23.Qb5 Qb6+–) 22...Qd7 23.Nc4 Rc6 (23...Ne4?? 24.Nb6 Nbc5 25.dc5+–) 24.Qa4 Rc7 (24...Ne4?? 25.Nfe5 Be5 26.Ne5+– (26.de5?! Nbc5 27.Bc5 Nc5+=)) 25.Qd7 Rd7 26.Nb6 Rdd8 27.e5 Nd5 28.Nd5 Rd5 29.Rc3 h6 (29...f6 30.Rb1 Na5 31.ef6 gf6 32.Rb6+–) 30.Rb1 Na5 31.Rc5 (31.Rb6 f6 32.Bd6 Bd6 33.ed6 Kf8+–) 31...Rc5+/– 32.Bc5 Rc8 33.Rb5 Nc4 34.Kf1 Bc7 (34...f6 35.ef6 gf6 36.Ke2+/–) 35.Ke2+– Ra8 36.Kd3 Na5 37.Nd2 Nc6 38.f4 Ra2 39.h4 Bd8 40.Ne4 Be7? (40...f5 41.Nc3 Ra1 42.Rb7+/–) 41.Bd6 (41.Rb6!? Bc5 42.Nc5 Ne7 43.Rb8 Kh7+–) 41...Kf8 (41...Bd8 42.Rb1+–) 42.Rb6 Bd6?? (better is 42...Nd8+–) 43.ed6 (43.Nd6?! Nd8+–; 43.Rc6?! Bb4+/–) 43...Ra3 44.Nc3 Nd8+/– 45.Rb8 Ke8 46.Kc4 Kd7 47.g4 Ra1 48.g5 hg5 49.hg5 Rf1? 50.Ne4+– Rc1 51.Kd3 Rd1 52.Kc3 Nc6 53.Rb7 Ke8 54.g6! fg6 55.Rg7?? Rd4+= 56.d7 Kd8?? 57.Nc5+– Rd7 58.Rd7 Ke8 1–0. Lomakina,Galja (2125) – Sobina,Pavel (1975), Voronezh RUS, 2014. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Bb6)

8.c4 0-0 9.cd5 Nd5 10.Nc3 Ba5 11.Qc2 Nc3 12.Bc3 Bc3 13.Qc3 Qb6 (13...Bd7 14.Bd3+=) 14.Bd3+/– Bd7 15.0-0 Rac8 16.Qd2 Rc7 17.Rfb1 Qa5 18.Qa5 Na5 19.Ne5 Rfc8 20.Nd7 Rd7 21.g3 Rdc7 22.Kg2 Kf8 23.Ra2 (worse is 23.Bh7 g6–/+) 23...a6 24.Rab2 (24.h3 h6+=) 24...b5 25.a4 (worse is 25.Bh7 g6–+) 25...Nc4 (25...Rc3 26.ab5 Rd3 27.ba6=) 26.Rb4 (26.Ra2 Nd6+/–) 26...a5 (26...Na3 27.ab5 Nb1= (worse is 27...ab5 28.R1b3 Ra8 29.Bb5+/–)) 27.Rb5+/– Na3 28.Rb8 Nb1+= 29.Rb1 Rc3 30.Bb5 Rc2 31.Rf1 Rd2 32.Kf3 Rcc2 33.h3 Ke7 34.h4 Kd6 35.Be8 f6 36.Bb5 Kd5 37.Be8 e5 38.de5 fe5 39.Bb5 Kc5 40.Be8 Kb4 41.Bb5 h6 42.Ke4 Rf2 43.Rf2 Rf2 44.Ke5 Rf3 45.g4 Re3–+ 46.Kf4? Rd3?? 47.Bd3+– 0–1. Fournier,Frederic – frederic80, Active, 2007.

8.c4 dc4 9.Bc4 0-0 10.0-0 a6 11.Nbd2 Na5 12.Bd3 Bd7 13.Rc1 Bb5 14.Qe2 (14.Bb5 ab5 15.Qe2 Qd7+/–) 14...Bd3+= 15.Qd3 Nc6 16.Rc2 Rc8 17.Rfc1 Nd5 18.Qe4 Nf6 19.Qd3 Qd7 20.Qe2 Nd5 21.Nc4 Ba7 22.Nce5 Qd6 (better is 22...Ne5!? 23.Ne5 Rc2 24.Rc2 Qd6+=) 23.Nc6+– bc6 (23...Rc6 24.Rc6 bc6 25.Qa6+–) 24.Ne5 (24.Qa6 Bb8+–) 24...Nf6? (better is 24...c5!?+/–) 25.Rc6 Rc6 26.Rc6 Qd5 27.Qc2 Qb5 28.h3 (better is 28.a4!? Qb4 29.Bc3+–) 28...Bb8+/– 29.Nd7?? Nd7–+ 0–1. Fournier,Frederic (1605) – apf, Active, 2009.

8.Nbd2 0-0 9.Bd3 Bc7 10.0-0 (10.Qe2 Qe7 11.0-0 Bd7 12.c4 Rfd8 13.Rfb1 Rab8 14.e4+=; 10.Rb1 Bd7 11.0-0 Rc8 12.Ne5 a6 13.f4 Be8 14.Ng4+=) 10...b6 (10...Bd7 11.Ne5 Rc8 12.Qf3 b5 13.e4 de4 14.Ne4+=) 11.c4 (11.Ne5 Bb7 12.Qf3 Rc8 13.Rab1 Ne7 14.Rfc1+=) 11...Bb7 (11...dc4 12.Nc4 Bb7 13.Qe2 Qe7 14.Rac1+=) 12.Rc1 (12.e4 dc4 13.Nc4 a6 14.Qb1+=) 12...Na5 (12...Rc8 A) 13.cd5 Qd5 14.e4= (14.h3+=); B) 13.Qe2 dc4 14.Nc4+=; 12...a6 13.cd5 Nd5 14.Qc2+=) 13.Qe2 (13.cd5 Nd5 14.Qe2+= (14.g3 Rc8+=)) 13...dc4 14.Nc4 Nc4 15.Rc4 Rc8 16.Rfc1 h6 17.R4c2 Qd6 18.e4 Qe7 19.Nd2 Bb8 20.g3 Rc2 21.Rc2 Rc8 22.Nc4 Qd8 23.f4 b5 24.Ne5 a6 25.Kf2 Ba7 26.Rc8 Qc8 27.Ke3 Qc7 28.Qc2 Qc2 29.Bc2 Kf8 30.Bc3 Ke8 31.Bb4 h5 32.Bc5 Bb8 33.h3 Nd7 34.Nd7 Kd7 35.g4 hg4 36.hg4 Bd6 37.Bd6 Kd6 38.e5 Kd7 39.Bb3 a5 40.f5 Bc6 41.g5 Bd5 (worse is 41...ef5 42.Bf7 Ke7 43.Bb3+/–) 42.Bc2 ef5 43.Bf5 Ke7 44.Kd3 b4 45.ab4 ab4 46.Bc8 f6 47.ef6 ½–½. Kaczorowska,Barbara (2235) – Zielinska (Krynicka),Jolanta (2150), Poland–ch (Women), 1994.

8.Bd3= 0-0 9.0-0=.

8.Bd3 0-0 9.c4 dc4 10.Bc4 h6 11.Nc3+= Ba5 12.0-0 a6 13.Rc1 b5 14.Bd3 Bb7 15.Ne4 Rc8 16.Nc5 Qe7 17.Qe2 Nd5 18.a4+/– ba4 19.Nb7+– Qb7 20.Ba6 Qa7 21.Bc8 Rc8 22.Qb5 Nce7?? 23.Rc8 Nc8 24.Qe8 Kh7 25.Qc8 Bc7 26.Ba3 Nc3 27.Re1 Qb6 28.Qd7 Qa5 29.Qf7 Nb5 30.Bf8 (30.Bf8 Bh2 31.Kh2 Qc7 32.Qc7 Nc7 33.Ra1+–) 1–0. pierre – umchi, internet, 2010.

8.Bd3 a6 9.0-0 0-0 10.Nbd2 Bd7 11.Rc1 Rc8 (11...Bc7 12.c4+=) 12.c4 Ba7 (12...dc4 13.Rc4 Bc7 14.Qb1=) 13.h3 (13.Ne5 Bb8+=) 13...Re8 (13...dc4 14.Nc4 Bb8 15.Nce5=) 14.Bc3 (14.c5 b5+=) 14...dc4= 15.Nc4 b5? (better is 15...Bb8+=) 16.Nd6+– Nd5 (16...Bb8 17.Nc8 Bc8 18.Qe2+–) 17.Bd2 (17.Nc8 Bc8 18.Qc2 Nc3 19.Qc3 Bb7+–) 17...Rc7 18.e4 (18.Ne8 Be8 19.Qb3 Bb6+–) 18...Nb6 (18...Nde7 19.Ng5 Rf8 20.Qh5+–) 19.Ng5 Re7 (19...Rf8 20.Qh5 h6 21.Ngf7+–) 20.Qh5 h6 21.Ngf7 (21.Ndf7 Qe8 22.e5 Nc4 (22...hg5?? 23.Qh7 Kf8 24.Nd6+–) 23.Bh7 Kf8+–) 21...Be8?? (better is 21...Qf8 22.d5 Rf7 23.Qf7 Qf7 24.Nf7 ed5+–) 22.Nd8 Bh5 23.Nc6 Red7 24.Bf4 (24.e5 Nc4 25.Bc4 bc4 26.Na7 c3+–) 24...g5 25.Be5 Nc4 (25...Bg6 26.f4+–) 26.Bc4 bc4 27.Na7 Ra7 28.Rc4 Be2 (28...Rd8 29.g4 Be8 30.Rfc1+–) 29.Rc8 Kh7 30.f4 Bf1 (30...Rd6 31.Rh8 Kg6 32.f5 ef5 33.ef5 Kf7+–) 31.Rh8 Kg6 32.f5 ef5 33.ef5 Kh5 34.g4 Kh4 35.Rh6 1–0. Janek – tinhho, internet, 2017.

8.Bd3 Qc7 9.Nbd2 0-0 10.0-0 Nd7 11.c4 dc4 12.Nc4 f6 13.Nb6 Nb6 14.Rc1 Qd6 15.Qb3 Bd7 16.Rfd1 Rab8 17.Bc4?? (better is 17.Nd2+/–) 17…Na5–+ (worse is 17...Nc4 18.Qc4 (18.Rc4? Na5 19.Qb4 Nc4 20.Qc4 Bc6–+) 18...Rbc8 19.e4+=). Fournier,Frederic – NN, jeu.europe–echecs.com, 2013.

8.Bd3 Bd7 9.0-0 0-0 10.Nbd2 a6 11.c4 Re8 12.Rb1 Bc7 13.c5 b5 The passed pawn on c5 will quickly become a dangerous weapon 14.Ne5 Rb8 15.f4 h6 16.Bc3 Na5 17.Ba5+/– Ba5 18.a4 Qc7 19.c6!+/– Bc8 20.ab5 ab5 21.Rb5 Rb5 22.Bb5 Qb6 23.Bd3 Ba6 24.Ba6 Qa6 25.Qa4 Qb6 26.Rb1 Qa7?? 27.Ra1+– Ra8 28.Qb5 (28.Qb5 Qc7 29.Nb3+–) 1–0. Woelfelschneider,Peter – Gotsche, 2009.

8.Bd3 Bd7 9.c4 dc4 10.Bc4 Na5 11.Bd3 0-0 12.Nbd2 Qe7 13.0-0 Nd5 14.Ne5 f6 15.Nd7 Qd7 16.Nf3 Rac8 17.Rc1 Rc1 18.Qc1 Rc8 19.Qb1 Nb3? (better is 19...g6!?+=) 20.Bh7+– Kh8 21.Be4 Nd2?? (better is 21...Na5+–) 22.Nd2 f5 23.Bd5 Qd5 24.Nf3 Qc4 (24...Bc7+–) 25.Rc1 Qc1 26.Bc1 Kg8 (26...Ba5 27.g4 g6 28.Ng5+–) 27.Bb2 Kf7 28.Ne5 Kf6 (28...Ke7 29.d5! Rc5 30.de6 Ke6 31.Qa2 Kd6 32.Qg8+–) 29.Nd7 (29.d5 ed5 30.g4 Ke7 31.Qf5 Rc7 32.Ng6 Kd8 33.Qf8 Kd7 34.Qe7 Kc6 35.Ne5 Kb5 36.Qb4 Ka6 37.Nd7 Rc8 38.Bc3 d4 39.Qa4 Ba5 40.Qa5#) 29...Ke7 30.Nb6 ab6 31.g3 1–0. Fournier,Frederic (1650) – Nutzuxd (1675), ChessOK.com, 2013.

8.Bd3 Bd7 9.Nbd2 Rc8 10.0-0 Qc7 11.Rc1 Ne7 12.c4 dc4 (12...Qd8 13.e4+=) 13.Nc4+/– Ned5? (13...0-0 14.Qb3+/–) 14.Nb6?? (better is 14.e4 0-0 15.ed5 Nd5 16.Nfe5+–) 14...Qb6+/– 15.Rc8 Bc8 16.Qc2 0-0 17.Rc1 Bd7 18.Ne5 (better is 18.Ng5 h6 19.Nh7 Nh7 20.Bh7 Kh8 21.Bd3+=) 18...Rc8?? (18...Bb5 19.Bb5 Qb5 20.a4=) 19.Qb1 (better is 19.Qc8 Be8 20.Rc2+–) 19...Rc1+/– 20.Qc1 Bc6 21.Nc6 bc6 22.Qc2 g6 23.g3 h5 (23...Nd7!?+/–) 24.e4+– Nc7 (24...Ne7 25.Qc3 Nd7 26.a4+–) 25.d5 Ng4 26.dc6 Kf8? (26...f6+–) 27.h3 Nh6 28.Qc3 Ke7 29.Qf6 Kd6 30.Be5 Kc6 31.Qf7 Nf7–+ (31...Nf7 32.Bf6 Qb3–+) 0–1. Fournier,Frederic – David hermann, Partie evaluee, 5m + 2s, 2008.

8.Bd3= Ne4 9.Nbd2 Ng5 (9...f5 10.c4+=) 10.Ne5+– Bc7 (10...Ba5!?+–) 11.Nc6+– bc6 12.f4 0-0? (better 12...Ne4 13.Ne4 de4 14.Be4 0-0+–) 13.fg5 Qg5 14.Qe2 Bh2 (14...Rb8 15.Bc3 Qh6+–) 15.0-0-0 (15.Rh2?! Qg3 16.Kf1 Qh2+–) 15...Qg3 (15...e5 16.Nf3 Qg3 17.de5+–) 16.Nf1 Qd6 17.Nh2 Rb8 (17...h6+–) 18.Bh7! Kh7 (18...Kh8 19.Qh5 g6 20.Qh6 Re8 21.Bg6 Kg8 22.Qh7 Kf8 23.Qf7) 19.Qh5 Kg8 20.Ng4 f5 (20...f6 21.Nh6! Kh8 22.Nf5 Kg8 23.Nd6 Rb2 24.Qh7) 21.Nh6! gh6 (21...gh6 22.Qg6) 22.Qg6 Kh8 23.Rh6 1–0. Pierre – Shric, internet, 2019. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.e3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.d4 Bb6)

8.Be2 0-0 9.0-0 Re8 10.Nbd2 Ne4 11.c4 (11.Ne4 de4 12.Nd2 Bc7+=) 11...Nd2= 12.Nd2 Ne7 (12...Bc7 13.Bd3+=) 13.c5 Bc7 14.Qc2 Nc6 15.Bd3 h6 16.f4 f5 (16...Qf6 17.Nf3+=) 17.Rab1 Rb8 18.Bc3 Bd7 19.Rb2 1–0. pcmvr – pushtiu, net–chess.com, 2018.

8.c4 Qb6 9.Qd2 Ne4 10.Qc2 =+.

8.c4 Bd7 9.Nbd2 0-0 10.Bd3 h6 (10...b6 11.0-0=) 11.c5 (11.0-0 Rc8+=) 11...Bc7 12.0-0 Re8 (12...b6 13.Nb3=) 13.Ne5 b6 (13...Rb8 14.Rb1+=) 14.cb6 (14.Nd7 Qd7 15.Qa4 a6+=) 14...Bb6 (14...ab6 15.Qf3+=) 15.Rc1 (better 15.Qf3+=) 15...Nh7?? (better 15...Rc8+=) 16.Nc6+– (16.Rc6?! Bc6 17.Nc6 Qd6+–) 16...Bc6 17.Rc6 Ng5 (17...Nf6 18.Nf3+–) 18.h4 (18.Qe2 Rb8+–) 18...Nh7 19.Qc2 f5 (19...Nf8 20.Nf3+–) 20.Nf3 Nf6 (20...Rc8 21.Ne5+–) 21.Rc1 Ng4 22.a4 Qf6 23.Ba3 g5 (23...f4 24.Qe2+–) 24.hg5 hg5 25.Qd2 (25.Bd6 Qg6+–) 25...Qg7 (25...Bd8 26.Bd6+–) 26.Bd6 1–0. Winner – Peonia, internet game, 2018.

8.c4 Bd7 9.Nbd2 Qa5 10.Bd3 dc4 11.Bc4 Ne4 (11...Rc8 12.0-0=) 12.0-0+= Nd2 13.Nd2 0-0 14.Ne4 Be7 15.Bc3 Qc7 16.Bd3 f5 17.Ng3 Rad8 18.Qb3 Kh8 19.Qb2 Rf7 20.Nh5 Bf8 21.Rab1 Bc8 22.Rfc1 Qd7 (22...Qe7!?+=) 23.Bb5+/- a6 (23...Bd6 24.Bb4+/-) 24.Bc6 bc6 25.Bb4 Bb4 26.Qb4 g6 (26...Qe8!? 27.Qc5 Re7 28.Qc6 Qh5+/-) 27.Nf4+- Kg7 28.Nd3 Qd6 29.Ne5 Rc7 30.Qa5 c5 31.h3 (31.f4 c4+-) 31...g5 (better 31...Qe7+-) 32.Rb6 Qd5 33.Rb8 (better 33.Ra6 Rdd7 34.Nd7+-) 33...Kf6?? (better 33...Qd6+-) 34.Qc7 Rf8 35.Rc8 Rc8 (35...Qe5 36.Rf8 Kg6 37.de5 g4 38.Rg8 Kh6 39.Qg7 Kh5 40.Qh7) 36.Qf7 1-0. Bauer,Ch (2635) - Ludwiczak,Virginie (1880), Europe-Echecs Blitz Open, 2020.

8.c4 Bd7 9.Nbd2 Qe7 10.Bd3 0-0 11.0-0 e5 (better 11...b6!?=) 12.cd5+/- Nd5 13.de5 Ne5 14.Ne5 Be5 15.Be5 (15.Bh7!? Kh7 16.Qh5 Kg8 17.Be5+/-) 15...Qe5+/- 16.Nf3 (16.Qb1!? Nf6 17.Qb7+=) 16...Qh5+= 17.Be2 Bc6 18.Nd4 Qh6 (18...Qg5 19.Nc6 Nc3 20.Qd3 Ne2 21.Qe2 bc6 22.Rfc1+=) 19.Nc6+= Qc6 (19...bc6 20.Rc1+=) 20.Bf3+/- Rfd8 21.Rc1 (21.Qb3 Qc5+/-) 21...Qd6 (21...Qd7 22.Qd4 Ne7 23.Rfd1 Qd4 24.ed4+=) 22.Qd4 Ne7 (22...Nb6!? 23.Qd6 Rd6 24.Bb7 Rad8+/-) 23.Qd6+- Rd6 24.Bb7 (24.Rc7 Ng6+-) 24...Rb8 25.Bf3 Nf5 (25...Kf8 26.Rc7 a6 27.Rfc1+/-) 26.g3 (26.Rc7 a6+-) 26...Ra6 27.Rc3 Nd6 28.Rd1 Nb5 29.Rb3 Ra3?? (better 29...g6+-) 30.Rb5! (30.Rb5 Rf8 31.Rd7+-) 1-0. jhonores (2240) - Mundschutz (2235), Rated Blitz game, lichess.org, 2020.

8.c4 Ne4 9.Nbd2 f5 10.Be2 Qf6 11.Qb3 Qf7 12.g3 0-0 13.h4 Bc7 14.Ng5 Na5 (14...Qd7 15.Ngf3=) 15.Qa2 (Better is 15.Nf7!? Nb3 16.Nh6 gh6 17.Nb3+/–) 15...Qd7= 16.Nge4 fe4 17.Bg4 Qf7 18.0-0 (18.Rf1 b6=+) 18...b6 19.Bc3 Qg6 20.Bh3 Bg3! 21.fg3 Qg3 22.Bg2 Qe3 23.Kh1 Qc3 24.cd5 Bb7 25.de6 Rf1 26.Rf1 Qd4 27.Ne4?? Bd5 28.Qd5!+/– Qd5 29.Nf6! gf6 30.Bd5 Re8 31.Rf6 b5 32.Rf7 Nc4 33.e7 Nd6 34.Rf6 Kg7 35.Rd6 Re7 36.Kh2 Kf8 37.Ra6 Kg7 38.Bg2 Rc7 39.Ra5 b4 40.ab4 Kf6 41.Kg3 Rc3 42.Bf3 Rc7 43.Ra6 Ke5 44.Ra5 Kd4?? 45.b5+– Kc5 46.Bc6 Rf7 47.Ra4 Rg7 48.Kf4 Kb6 49.Kf5 1–0. hertford (2135) – MrThayer (2145), ChessWorld.net, 2003.

8.c4 Ne7 9.Nc3 Bd7 (9...0-0 10.c5 Bc7 11.Bd3+=) 10.c5+= Bc7 11.Bd3 0-0 12.0-0 Re8 (12...Rb8 13.Rb1+=) 13.Ne5 (13.Qc2 Bc6+=) 13...Ng6 (13...Bc6 14.f4+=) 14.Nd7+– Qd7 (14...Nd7!? 15.g3 Nf6+–) 15.Bb5+– (15.Bb5 Qe7 16.Be8 Re8 17.Qa4+–) 1–0. vendelo (1720) – gbuss, PlayOK, 2018.

8.Nbd2 Qa5 9.Bd3 0-0 10.0-0 b5 11.Ne5 Qb6 12.f4 Nd7 13.Kh1 Rb8 14.Rf3 Re8 (14...f6 15.Rh3 A) 15...Be5? A1) 16.fe5?! h6+= (16...fe5? 17.Bh7 Kf7 18.Qh5 Ke7 19.Qg5 Kd6 20.de5 Kc7 21.Qg7+–); A2) 16.Rh7 Kf7 17.fe5+–; B) worse is 15...fe5 16.Bh7 Kf7 17.fe5 Nde5 18.de5+/–; C) 15...Nce5? 16.fe5 f5 17.ed6+–; D) 15...f5=) 15.Bh7+/– Kf8 16.Bd3 1–0. Lebel,Patrick (2255) – Blery,Gilles, Challes op, 1990.

8.Nbd2 Qa5 9.Bd3 b6 10.0-0 Ba6 11.c4 Rc8 12.Qc2 dc4 13.Nc4 Bc4 14.Qc4 0-0 15.Rfc1 Rc7 16.Qb3 Rfc8 17.Rc2 Qd5 18.Qd5 ed5 19.a4 (19.Rac1!? Na5 20.Rc7 Rc7 21.Rc7 Bc7 22.Nd2+=) ½–½. Muller,Henri (1825) – Lonsdale,David Robert (1750), b2–b4.com, 2005.

8.Nbd2 Na5 9.Bd3= 0-0 10.Ne5 Qe7 11.f4 Bd7 12.c4 dc4 13.Ndc4 Nc4 14.Bc4 b5 15.Nd7 Qd7 16.Bd3 b4 17.0-0 Qb7 18.ab4+= Bb4 19.Ra6 Rfc8 20.Qe2 Rc6 21.Rfa1 Rb6 22.h3 Nd5 23.Be4 Bf8 24.Rb6 Qb6 25.f5 Rb8 26.fe6 fe6 27.Bc1 a5 28.Qa2 Nc3+/– 29.Bh7! Kh7 30.Qc2 Kh8 31.Qc3 Bb4 32.Qc2 Qd6 33.Bb2 Qg3 34.Qf2 Qg6 35.Qh4+/– ½–½. Ziese,Gerhard – Fischer,A, corr SOK–90–68, 1990.

8.Nbd2 Qb6 9.c4 Qb2 10.c5 Bc7 11.Bd3 (11.Qc1 Qc1 12.Rc1 Bd7-+) 11...Ne4! 12.Ne4 (12.Ne4 de4 Double attack; 12.Be4 de4 Combination) 12...de4 13.Be4 Nd4?? (better 13...Ba5 14.Kf1 Bc3-+) 14.ed4= (14.Qd4?? Ba5 15.Kd1 Bc3-+) 14...Ba5 15.Kf1 Qb5 (15...Bc3 16.Rb1 Qa3 17.Qb3 (17.Bb7?? Bb7 18.Qb3 Qb3 19.Rb3 Ba6 20.Kg1 Bd4-+) 17...Qa6 18.Kg1+/-) 16.Bd3 Qc6 17.g3 (17.Ne5!? Qc7 18.Bb5 Kf8 19.Qf3+=) 17...0-0 18.Kg2 f5 19.Rf1 Bc7 Black intends f4 (19...Bc3 20.Rb1=) 20.a4 (20.Qe2 Rd8 21.Bb5 Qd5+/-) 20...f4 (20...g5 21.Kg1 g4 22.Nh4=) 21.Bb5 (21.Qb1!? g6 22.Be4+/-) 21...Qd5+= 22.Re1 fg3 23.hg3 (23.fg3 g5 24.h3+=) 23...Bg3?? (better 23...g5 24.g4 Rf4-/+) 24.fg3+- (24.Kg3?! Qf5 25.Re3 e5+/-) 24...e5 (24...b6 25.Rc1 bc5 26.dc5 Qf5+-) 25.Re5 Qd8 (25...Qf7 26.Ng5 Qf2 27.Kh1+-) 26.Bc4 (26.Ng5 Bf5 27.Qb3 Kh8 28.Nf7 Rf7 29.Qf7 Be6 30.Re6 Qg8 31.Qg8 Kg8+-) 26...Kh8 27.Qd3 (better 27.Ng5 Bf5 28.Qh5+-) 27...Bg4 (27...Qf6 28.Rf1 Bf5 29.Qb3+-) 28.Re3 (better 28.Ng5 Bf3 29.Nf3 Rf3 30.Qf3 h6+-) 28...Qa5 (28...b6 29.Qe4 Bf3 30.Rf3 Rf3 31.Qf3 bc5 32.Rh1+-) 29.Rh1 (better 29.Ne5 Bf5 30.Qe2 h6+-) 29...Bf3 (29...Bf5 30.Qd1 Qc7+-) 30.Rf3 g6 31.Qg6 (better 31.Bf7 Qa6 32.Qe3+-) 31...Qd2= 32.Kg1 Qe1?? (32...Qd4 33.Kg2 Qd2 34.Kg1 Qd4 35.Kg2 Qd2 36.Kg1 Qd4=) 33.Kg2 (better 33.Bf1 Qe7 34.Rf8 Rf8 35.Kg2+-) 33...Qh1 34.Kh1 Rf3?? (better 34...hg6 35.Kg2 Rfd8+=) 35.Qg4 Rf1 (35...Raf8 36.Qg5+-) 36.Kg2 (36.Bf1 Rg8 37.Qf5 Rg6 38.Qf8 Rg8 39.Qf6 Rg7 40.Bc4 h6 41.Qf8 Kh7 42.Bd3 Rg6 43.Qf7 Kh8 44.Qg6 h5 45.Qh7) 36...Rff8 37.d5 h6 (37...Rf6 38.c6! bc6 39.dc6+-) 38.d6 (38.Qd4 Kh7 39.Bd3 Rf5 40.Bf5 Kg8 41.Qg4 Kf7 42.Qg6 Kf8 43.Be6 Ke7 44.d6 Kd8 45.Qg8) 38...Rg8 (38...Rf6 39.d7 Raf8 40.Qe2+-) 39.Bg8 (39.Qd4 Rg7 40.d7 Rb8 41.d8Q Rd8 42.Qd8 Kh7 43.Bd3 Rg6 44.Qe7 Kg8 45.Bg6 b6 46.Qf7 Kh8 47.Qf8) 39...Rg8 40.Qh5 Kh7 41.Qe5 (better 41.d7+-) 41...Rg6 42.d7 (42.Qe4 b6 43.d7 a6 44.d8Q bc5 45.Qde8 Kg7 46.Q4g6) 42...Rg8+- 43.Qe8 (43.Qe4 Kh8 44.Qb7 Rd8+-) 43...Re8 44.de8Q Kg7 45.Qb8 b6 46.cb6 (46.Qa7 Kg6 47.cb6 Kf5 48.Qd7 Ke5 49.b7 Kf6 50.b8Q h5 51.Qf4 Kg6 52.Qdf7) 46...ab6 47.Qb6 h5 48.a5 h4 (48...Kh7 49.a6 h4 50.gh4 Kg7 51.a7 Kh7 52.a8Q Kg7 53.Qab7 Kg8 54.Qd8) 49.a6 (49.gh4 Kf7 50.a6 Kg7 51.Qe6 Kf8 52.a7 Kg7 53.a8Q Kh7 54.Qag8) 49...hg3 (49...h3 50.Kh3 Kh7 51.a7 Kg7 52.a8Q Kh7 53.Qab7 Kg8 54.Qd8) 50.a7 Kf7 51.a8Q Ke7 52.Qab7 (52.Qad8 Kf7 53.Qbf6) 52...Kf8 (52...Ke8 53.Qe6 Kd8 54.Qbd7) 53.Q6c7 (53.Qd8) 53...Kg8 (53...Ke8 54.Qe7) 54.Qbb8 (54.Qd8) 1-0. alessandrocarvalhaes (1890) - RuslanFin (1665), lichess.org, 2020.

8.Nbd2 Qe7 9.c4 0-0 10.Bd3 e5 11.cd5 Nd5 (11...Nd4 12.ed4 (12.Nd4 ed4 13.Bd4 Nd5 14.Nc4 Nf4 15.Nd6 Nd3 16.Qd3 Qd6 17.0-0 Rd8=) 12...e4 13.Ne4 Ne4 (13...Bf5 14.0-0 Be4 15.Re1 Bf3 16.Qf3 Qc7 17.h3 Rfe8+=) 14.Ne5 (14.0-0+= Bg4 15.Re1 f5 16.Qe2 Rae8 17.Qe3 Bf3=) 14...Nf6 15.Qf3 Bg4 16.Qe3 Rae8 17.0-0 Qd8+=) 12.Nc4 (12.de5 Bc7+/– 13.Rc1 Rd8 14.Be4 Be6 15.Qc2 h6 16.0-0 Rac8 17.Qb1 Bb6+/–; 12.Ne5 Be5 13.de5 Rd8 14.Nc4 h6 15.Rc1 b5 16.Nd6 Ne5 17.Nc8 Rac8+=) 12...ed4 (12...e4 13.Be4 Qe4 14.Nd6+= Qe6 15.Nc8 Rac8 16.0-0 Rfd8 17.Re1 f5+=) 13.Nd4 (13.Nd6 Qd6 14.Nd4 f5 15.0-0 Ne5 16.Be2 Rd8 17.Rc1 b6+=) 13...Nf4 (13...Ne5 14.Bh7 Kh7 15.Nd6 Qd6 16.Nb5–+ Qc5 17.Qb1 Ng6–+; 13...Rd8 14.Nd6 Qd6 15.Qc2 h6 16.Nc6 Qc6 17.Qc6 bc6+=) 14.Nc6+/– bc6 15.Nd6 Ng2? (better is 15...Rd8 16.Bh7! Kh7 17.Qc2 Kg8 18.Nc8 Rac8+/–) 16.Kf1+– Bh3 17.Kg1 (better is 17.Bh7 Kh8 18.Qf3 Ne3 19.Kg1+–) 17...Ne1 18.Bh7 Kh8? 19.Ne4+– Qh4 20.Qe1 Kh7 21.f3 Qh5 22.Qg3 f6 23.Kf2 Rab8 24.Bd4 Be6 25.Rhg1 Rb7 26.Nc5 Qf5 27.e4 (27.e4 Qh3 28.Nb7+–) 1–0. Tunks,D – Esmat,K, ch–Hampshire, Eastleigh ENG, 2001. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Bd6)

8.Nbd2 Qe7 9.c4 0-0 10.Be2 b6 11.0-0 Na5 12.cd5 ed5 13.h3 Bf5 14.Nh4 Bd7 15.Nhf3 Qe8 16.Ne5 Ba4 17.Qe1 Qe7 18.Bd3 Be5 19.de5+= Nd7 20.f4 Nc5= 21.Be2 f5 22.Bc3 Nab3= 23.Nb3 Bb3 24.Bf3 Bc4 25.Be2 Qc7 26.Qd1 Rfd8 27.Bb4 a5 28.Be1 b5 29.Rb1 Ne4 30.Qc2 Qc5–/+ 31.Rf3 Qa3–+ 32.Rb2 Qc5 33.Bc4 dc4 34.g4 c3 35.Rb1 Qd5 ½–½. De Jager,Jaap (2305) – Hofstra,Hotze TJ, Vlissingen HZ op 4th, 2000.

8.Nbd2 h6 9.Bd3 0-0 10.0-0 Qc7 11.c4 dc4 (11...Bd7!?=) 12.Nc4+/– Be7 13.Qe2 b6 14.e4 Qf4 (14...Bb7!?+/–) 15.h3 Qc7 16.Rac1 Qd8 17.Rfd1 Bb7 (17...Na5 18.Na5 ba5 19.Rb1+/–) 18.Bb1 (better is 18.d5 ed5 19.ed5 Nd5 20.Be4+–) 18...Ba6?? (better is 18...Na5 19.Na5 ba5+/–) 19.Qc2+– g6 (19...Rc8 20.e5 Nb4 21.Qe2+–) 20.d5 ed5 (20...Na5 21.Na5 ba5 22.d6 Bd6 23.Bf6 Qf6 24.Rd6+–) 21.ed5 Na5 22.Na5 ba5 23.d6! Bd6 24.Qc6 Rc8 25.Qd6 Qd6 26.Rd6 (26.Rd6 Rc1 27.Bc1+–) 1–0. Logvinov,Kirill (2015) – Pavlovsky,Victor, Anna RUS, Akulov Mem, 2012.

8.Bd3 a5 9.0-0 a4 10.Nbd2 b5 (better is 10...Qc7!?+=) 11.Bb5+/– Bd7 12.Rb1 e5?? (better is 12...Na5 13.c4 Bb5 14.cb5 Nb7+/–) 13.Bc6+– Bc6 14.de5 (14.Ne5?! Bb5 15.Re1 0-0+–) 14...d4 (14...Ba3 15.Ba3 (worse is 15.ef6 Bb2 16.Rb2 Qf6+–) 15...Ne4 16.e6+–) 15.ed6 de3 16.fe3 Qd6 17.Nc4 Qe6 18.Nce5 (better is 18.Nd6!? Kf8 19.Bf6 gf6+–) 18...Rd8 19.Qe1 Bb5 (19...Bf3 20.Nf3 (worse is 20.gf3 0-0+–) 20...0-0 21.Ng5+–) 20.Rf2 (20.Nd4 Qe5 21.Nf5 Qe4 22.Ng7 Kf8 23.Rf6 Bc6+–) 20...Ne4 (20...0-0 21.Nd4 Qe5 22.Nb5 Qg5 23.Bf6 gf6+–) 21.Rd1 (better is 21.Qb4 Nf2 22.Qb5 Kf8 23.Kf2+–) 21...Rd1 22.Qd1 Nf2 23.Kf2 0-0 24.Qd4 (better is 24.c4 Bc6 25.Nc6 Qc6 26.Qd5+–) 24...h6?? (better is 24...f6 25.Nd3 Rc8+–) 25.Nd7! Qd7 (25...Bd7 26.Qg7 Mate attack; 25...Qd7 26.Qg7 Mate attack) 26.Qg7 1–0. Fournier,Frederic (1850) – reymarfc, Active, 2011.

8.Bd3 Ba5 9.Nbd2+= Qb6 (9...0-0 10.0-0+=) 10.Rb1 Qc7 (10...0-0 11.0-0+=) 11.0-0+– Bd2 (11...0-0 12.c4+–) 12.Nd2 Bd7 (12...0-0 13.c4+–) 13.c4 dc4 (13...0-0 14.e4+–) 14.Nc4 0-0 15.e4 (15.Rc1 Nd5+–) 15...b5 (15...Na5 16.Na5 Qa5 17.d5+–) 16.Ne3 a6 (16...e5!? 17.Rc1 Qb8 18.de5 Ne5+–) 17.Rc1+– Qd8 (17...Qb8 18.d5 Ne5 19.d6 Nd3 20.Qd3+–) 18.d5 Ne5?? (better 18...Na5+–) 19.Be5 Qa5 (19...Rc8 20.d6 Rc1 21.Qc1 Bc8+–) 20.Bf6 gf6 21.e5! Qa3 (21...fe5 22.Qh5 Double attack (22.Qh5 Decoy)) 22.ef6 Kh8 23.Bh7! Qe3 (23...Kh7 24.Qh5) 24.fe3 ed5 (24...Rg8 25.Bg8 Kg8 26.Qg4 Kf8 27.Qg7 Ke8 28.Qg8) 25.Qh5 Bg4 (25...Rfd8 26.Qh6 b4 27.Qg7) 26.Qh6 Rad8 (26...b4 27.Qg7) 27.Qg7 1–0. Vendelo – Krube, internet free game, 2018.

8.Bd3 a6 9.0-0 b5 10.Nbd2 Bb7 11.a4 0-0 12.ab5 ab5 13.Bb5 Ra1 14.Qa1 Nb4 15.Bd3 Nd3 16.cd3 Qb6 17.Rb1 Ra8 18.Ba3 Qa6 19.Bb2?? (better is 19.Qb2 Qa3 20.Qb7+=) 19…Qd3–+ (19...Qd3 20.Ba3 Ra3–+ (20...Ba3?! 21.Rb7 Qa6 22.Qb1=)) 0–1. Fournier,Frederic (2035) – pinchov (1840), Echecs21, 2003.

8.Bd3 Qb6 9.Bc3 Bd7 (9...0-0 10.Nbd2=) 10.0-0 Qc7 (10...0-0 11.Nbd2=) 11.h3 0-0 12.Bb2 (12.Nbd2 Rad8=) 12...a6 (12...Qb6 13.Ra2=) 13.Nbd2= b5 (13...Na5 14.Qe2=) 14.Qe2 (14.e4 de4 15.Ne4 Ne4 16.Be4 Rad8=) 14...Ne7 (14...Qb6 15.Ne5=) 15.Ne5 Bc6 16.Nc6 Qc6 17.e4 (17.a4 ba4 18.c4 Rfb8+=) 17...de4 18.Ne4 Ned5 19.Nd6 (19.Rfc1 Ne4 20.Qe4 g6=) 19...Nf4=+ 20.Qf3 Qd6 21.Rad1 (21.a4 b4=+) 21...Nd3 22.Qd3 (22.Rd3 Rac8 23.Rc1 Rc4=+) 22...Nd5 (22...Rfc8 23.Qe2–/+) 23.g3 (23.a4 Qc6 (23...ba4 24.Ba3 Qc6 25.Bf8 Rf8 26.c4+–) 24.Rd2 Rfc8–/+) 23...Rac8 24.Rd2 (24.a4 b4–/+ (worse 24...ba4 25.Ba3 Qc6 26.Bf8 Rf8 27.c4+–)) 24...Rc4 25.Re1 (25.Rc1 Rfc8–/+) 25...Rfc8 26.Rc1 (26.Ree2 h6–/+) 26...Qc6 27.Qe4 (27.Re2 b4–/+) 27...a5 28.h4 (28.Qf3 Qb6–/+) 28...h6 (28...Qb6 29.h5–/+) 29.Kh2 (29.f4 a4–/+) 29...Nb6 (29...Qb6 30.Qe5–/+) 30.Qc6 (30.Qe5 Qd7–/+) 30...R4c6 31.c3 (31.Ba1 Nd5–/+) 31...Nd5 (better 31...b4 32.ab4 ab4–+) 32.Rdc2? (better 32.Rdd1–/+) 32...Rc4–+ 33.Kg2 (33.Rd2 b4 34.cb4 Rc1 35.Bc1 Rc1 (35...ab4?! 36.Bb2=) 36.ba5 Rc4–+) 33...b4 34.ab4 (34.Rd1 bc3 35.Bc1 Ra4–+) 34...ab4 35.Rd1 (35.Kf3 bc3 36.Ba3 Rd4–+) 35...bc3 36.Ba3 Ra4 (36...Ra8 37.Bd6–+) 37.Bd6 Rca8 (37...Rcc4 38.Kf3–+) 38.Bc5 (38.Kf3–+) 38...Ra2 39.Rdc1 Kh7 (39...Rb2 40.Rc3 Nc3 41.Rc3–+) 40.Kf3 (40.Rc3 Nc3 41.Rc3 Rd2–+) 40...Kg6 (40...Rb2 41.Ke2–+) 41.Ke4 (41.Rc3 Nc3 42.Rc3 Rd2–+) 41...Rb2 (41...Rc2 42.Rc2 Ra1 43.Bd6–+) 42.Kd3 Raa2 (42...Rc2 43.Rc2 Kh5 44.f3–+) 43.Bd6 (43.Rb2 Rb2 (43...cb2?! 44.Rb1–/+) 44.Rc2 Rb1–+) 43...Rc2 44.Rc2 Rc2 (44...Ra1!? 45.Ke2–+) 45.Kc2 h5 46.Kd3 (46.Bf8 Kf5 47.Bg7 Kg4–+) 46...Kf5 47.f3 (47.Bf8 g6–+) 47...f6 48.Bb8 (48.Bf8 g5 49.Bd6 g4 50.fg4 Kg4–+) 48...g5 49.Bd6 (49.hg5 fg5 50.Kc2–+) 49...g4 50.f4 Kg6 (50...c2 51.Kc2 Ke4 52.Kd2–+) 51.Ba3 (51.Bc5 Kf7–+) 51...f5 52.Bc1 (52.Bc5 Kf7–+) 52...Nf6 53.Kc3 (53.Ba3 Ne4 54.Bb4 Ng3 55.Bc3 Kf7–+) 53...Ne4 54.Kd3 (54.Kc4 Ng3 55.Kd3 Kf7–+) 54...Ng3 55.Be3 (55.Ba3 Kf7–+) 55...Kf7 56.Kc4 (56.Bc1 Ke7–+) 56...Nf1 57.Bg1 Nd2 58.Kd3 Nf3 (58...Ne4!? 59.Be3–+) 59.Bf2 Ke7 60.Kc3 (60.Ke3 Kd6–+) 60...Kd6 61.Kc4? (better 61.Kc2–+) 61...Nd2 62.Kd3 Ne4 63.Bg1 (63.Be3 Kc6–+) 63...Kd5 64.Be3 Nd6 (64...g3 65.Ke2 Kc4 66.Bc1–+) 65.Bf2 Nc8 (65...Nb5 66.Be3–+) 66.Bg3 Kc6 (better 66...Ne7–+) 67.Kc4 (67.Be1–+) 67...Nd6 68.Kd3 Ne4 69.Bh2 Kd5 (better 69...g3 70.Bg1 Nf2 71.Ke2 Nh3–+) 70.Bg1 g3 71.Be3 (71.Ke2–+) 71...Nf2 72.Ke2 Ke4 73.Bc1 Nd3 74.Bd2 Nf4 75.Kf1 Ng6 (75...Kf3 76.Bf4 Kf4 77.Kg2 Kg4 78.Kf1 Kf3 79.Ke1 g2 80.Kd2 g1Q 81.Kd3 f4 82.Kc4 Ke4 83.Kb4 Qd4 84.Kb5 Kd5 85.Ka6 Qb2 86.Ka5 Kc5 87.Ka4 Qb4) 76.Kg2 f4 77.Be1 Nh4 78.Kh3 (78.Kf1 g2 79.Kf2 Nf3 80.Kg2 Ne1 81.Kh3 f3 82.d5 f2 83.Kh4 Kf5 84.Kh5 f1Q 85.Kh6 Qg1 86.Kh7 Kf6 87.de6 Qg7) 78…Nf5 (78...Nf5 79.Ba5 f3 80.Bd2 f2 81.Kg2 Kd3 82.Bf4 Ke2 83.Bg3 f1Q 84.Kh2 Kf3 85.d5 Qg2) 0–1. Surikov,Victor (1845) – Belokon,Artour (1990), Stockholm Sweden, Summer Open, 2017.

8.Bd3 Qb6 9.Nc3 a6 10.0-0 0-0 11.Rb1 (11.Qb1 Qc7 12.e4 de4 13.Ne4 Ne4 14.Be4 b5 15.Qe1 Bb7 16.a4 Rfc8+=) 11...Qc7 12.e4 de4 (12...Be7 13.e5 Nd7 14.Qe2 b5 15.Nd1 Nb6 16.Ne3 Na4=) 13.Ne4 Ne4 14.Be4 f5 (14...Na5 15.Qe2= (15.Qd2 Nc4 16.Qc3 Rb8=) 15...Rb8 16.Bd3 b5=) 15.Bd3+= b5 16.Re1 (16.Qe2 b4+= (16...Qe7+=)) 16...Ne7 (16...Nd8+=) 17.Ne5 Nd5 18.c4 (better is 18.Rc1!?+=) 18...bc4+= 19.Nc4 Bh2 20.Kf1 (20.Kh1 Bf4+=) 20...Bb7 (20...Nf4 21.Bc1 Nd3 22.Qd3–/+) 21.Rc1 (better is 21.g3!?+=) 21...Nf4–+ 22.Ne3 Qf7 23.Bc4 (better is 23.Qd2!?–/+) 23...Qg6–+ 24.d5 ed5 25.Bd5 (25.Qf3 dc4 26.Qb7–+) 25...Bd5 26.g3 (26.f3 Rae8 27.Qc2 Bf3–+) 26...Rad8 27.Nd5 Nd5 28.Qb3 Kh8 29.Kg2 f4 30.Rh1?? fg3–+ 31.fg3 Qg3! 32.Qg3 Nf4 (32...Nf4 33.Kh2 Rd2 34.Kg1 Ne2 35.Kg2 Ng3 36.Kg3 Rb2–+) 0–1. Carzolio,Luigi – Shaban,Abdelgawad (2185), 6th Open, Genova ITA, 2002.

8.Bd3 Qc7 9.h3 (9.Nbd2 0-0=) 9...e5 (9...a6 10.Nbd2=) 10.de5= Ne5 11.0-0 b6 (11...0-0 12.Be5 Be5 13.Ne5 Qe5 14.Nd2=) 12.Bb5 (12.Be5 Be5 13.Ne5 Qe5=) 12...Bd7= 13.Nc3 The isolani on d5 becomes a target (13.Be5 Bb5 14.Bf6 gf6 15.Qd5+/–) 13...Bb5? (better is 13...Qc5=) 14.Nb5+– Qd7?? (better is 14...Nf3 15.Qf3 Bh2 16.Kh1 Qc4 17.Bf6 gf6 18.Qf6 Rg8+–) 15.Nd6 (15.Be5?! Be5 16.Nbd4 Bd6=; 15.Ne5?! Qb5 16.Rb1 Qa4+=) 15...Qd6 16.Be5 Qc6 (16...Qe6 17.Qd4+–) 17.Nd4 Qc4 (17...Qd7 18.Bf6 gf6 19.Re1+–) 18.Nf5 0-0 (18...Kf8 19.Bf6 gf6+–) 19.Bf6 Qe4 20.Qh5 Rfe8 (20...Qe6 21.Bc3 h6+–) 21.Qg5 (21.Qg5 Qg2 22.Kg2 g6 23.Qh6 gf5 24.Qg7#) 1–0. Schalkwijk,Peter – Porter,Zigram, ZL–2006–0-00026, 2006.

8.Bd3 Bd7 9.Nbd2 0-0 10.0-0 a6 11.c4 dc4 12.Nc4 Be7 13.Qe2 Rc8 14.Rfc1 Nd5 15.Nfe5 Ne5 16.Ne5 Bc6? (16...Bd6 17.Rc8 Bc8 18.Qh5+=) 17.Qh5 (17.Nc6!? Rc6 18.Rc6 bc6 19.Qc2+-) 17...g6 18.Bg6?? (better 18.Qe2+/-) 18...fg6-/+ (18...hg6?! 19.Ng6 fg6 20.Qg6 Kh8 21.Qh6 Kg8 22.Qg6 Kh8 23.Qh6 Kg8 24.Qg6=) 19.Ng6 Qe8 (19...Rf5 20.Ne7 Qe7 21.Qh3-/+) 20.Ne7 Qe7 21.Qg4 (21.e4 Nf6 22.Qe5 Be4 (worse 22...Ne4 23.d5 Qf6 24.Qf6 Nf6 25.dc6 bc6 26.Rc4+/-) 23.Rc8 Rc8=+) 21...Kh8 22.e4 (22.Rab1 Rg8 23.Qh3 Rg2 24.Qg2 Rg8-+) 22...Rg8 (better 22...Qf6 23.Rc2 Rg8-+) 23.Qh5?? (better 23.Qf3-/+) 23...Qg7 (better 23...Rg2! 24.Kg2 Nf4 25.Kf1 Nh5 26.d5 Kg8 27.dc6 bc6 28.Be5-+) 24.g3 Nf6?? (better 24...Nf4! 25.Qh4 Ne2 26.Kg2 Nc1 27.Rc1-+) 25.Qe5 (25.Qh4 Ne4 26.Rc6 Ng3 27.hg3 Rc6 28.Rc1 Rc1 29.Bc1-/+) 25...Be4 (25...Ne4 26.d5 ed5 27.Rc2-+) 26.Qe6? (26.d5 Rc1 27.Rc1 Ne8 28.de6 Qe5 29.Be5 Ng7+=) 26...Bd5 (26...Rce8 27.Qb3-+) 27.Qe5? (better 27.Qc8 Rc8 28.Rc8 Ng8 29.Re1=+) 27...Rce8-+ 28.Qd6? (28.Qf5 Re2 29.Bc3 Qh6-+) 28...Qe7 (28...Re2 29.Rab1 Qh6 30.Rf1-+) 29.Qf4?? (better 29.Qe7 Re7 30.Re1-+) 29...Rgf8 (29...Ng4 30.Qf5 Qe2-+) 30.Rc7 (30.Bc3 Qd7 31.Re1-+) 30...Qe4 (30...Qe1! 31.Re1 Re1) 31.Qe4-+ Re4 32.h3?? (better 32.Rf1-+) 32...Re2 33.Bc3 Ne4 34.Be1 Nf2 35.Bf2 Rff2 36.Rc8 Kg7 37.Rc7 Kf6 (37...Kg6 38.Rb1 Rh2 39.Rb6 Kf5 40.g4 Kg5 41.Rg7 Kh4 42.Rh7 Kg3 43.Rb3 Bb3 44.Kf1 Rhf2 45.Kg1 Re1) 38.Rf1 Rf1 39.Kf1 Re7 (39...Re4 40.Rh7 Rd4 41.Rh6 Kg5 42.Rh8-+) 40.Rc8 (40.Re7 Ke7 41.Ke2 b5-+) 40...Kf5 41.Rf8 Ke4 42.Rf4 Kd3 43.Rf5 (43.g4 Rc7 44.Kg1 Rc3-+) 43...Bc6 (better 43...Kd4!? 44.g4-+) 44.Rf3 (44.d5 Ke4 45.d6-+) 44…Bf3 (44...Bf3 45.Kf2 Bd5 46.g4 Re3 47.g5 Rh3 48.a4 Rf3 49.Kg2 b5 50.a5 Re3 51.Kf2 b4 52.g6 hg6 53.Kg1 Rh3 54.Kf2 b3 55.Ke1 Ke3 56.Kd1 Rh1) 0-1. Dino_Jarach (1825) - Jamintoncapa (1890), lichess.org, 2020.

8.Be2 0-0 9.0-0 b6 (9...Qb6 10.Bc3=+) 10.Nbd2 Bb7 11.c4 Qe7 12.cd5 ed5 (12...Nd5 13.e4 Nf4 14.Nc4=) 13.Ne5 (13.Qb3!?=) 13...Ne5=+ 14.de5 Be5 15.Be5 Qe5 16.Nf3 Qe7 17.Qb3 Rfd8 18.Nd4 Ne4 19.Rfd1 Qh4 20.g3 Qf6 21.Bf3 Rac8 22.Rac1 Nd2–+ 23.Rc8 Nb3 24.Rd8 Qd8 25.Nb3 Qd6 26.Rc1 h6 27.Ra1 g6 28.Kg2 f5 29.Nd4 Kf7 30.Rc1 a6 31.h4 Kf6 32.Rc3 Qd7 33.h5 g5 34.Be2 b5 35.Bd3 f4 36.Kh2 fe3 37.fe3 Qd8 38.g4 Qa5 39.Ne2 d4 40.ed4 Qd8 41.Bf5?? Qd5–+ 0–1. Mangone,Mark – Behrmann,Klaus, compuserve, 1996.

8.Be2 0-0 9.Nbd2 Bd7 10.0-0 Na5 11.c4 dc4 12.Nc4 Nc4 13.Bc4 Rc8 14.Qe2 b5 (14...Bc6 15.Ne5=) 15.Bd3+= Nd5 16.Rfc1 Qa5 17.Ng5 h6 18.Ne4 Rc1 19.Bc1 (19.Rc1 Ba3 20.Ra1 b4+=) 19...Be7 20.Bd2 Qb6 21.Bb1 (21.Qe1!?=) 21...Rc8=+ 22.Qd3 f5 23.Ng3 Bf6 (23...b4!? 24.ab4 Bb4=+) 24.Ba2= Qd6 25.Nh5 Bg5 26.f3 g6 27.Bd5 Qd5 28.e4 fe4 29.fe4 Qc4 30.Qc4 Rc4 31.Bg5 gh5 32.Be3 Bc6 33.e5 (33.d5 ed5 (33...Re4?? 34.dc6 Rg4 35.c7+–) 34.ed5 Bd5 35.Ba7 Rc2=) 33...Bd5 34.h4 (34.Rc1 Ra4 35.Rc3 Kg7=+) 34...a5 (34...Rc2 35.Kf1=+) 35.Rb1= b4 36.ab4 (36.Bh6? ba3 (36...Rd4?! 37.ab4 ab4 38.g3–/+) 37.Ra1 Ra4–+) 36...ab4 37.Rb2 Kg7 38.Kf2 b3 39.g3 (39.Rb3 Rc2 Decoy) 39...Kg6=+ 40.Ke1 Rc6 41.Kd2 (41.Kd1 Rc8=+) 41...Rc8 (41...Kf5 42.Bh6 Ke4 43.Bf4–/+) 42.Kd3 Kf5 43.Bh6? (43.Rf2 Kg4 44.Bf4–/+ (44.Bh6? Kg3 45.Rb2 Kh4–+)) 43...Be4–+ 44.Ke3 Bc2 45.Bf4 (45.Kd2!?–+) 45...Rc3 46.Ke2 Ke4 47.Rc2?? (47.d5 Kd5 48.Be3–+) 47...Rc2 48.Kd1 Kd3 (48...Kd3 49.Bc1 Rh2 50.Ke1 Rh1 51.Kf2 Rc1 52.g4 b2 53.Kg3 Rg1 54.Kf4 Rg4 55.Kf3 b1Q 56.Kf2 Qd1 57.d5 Qe2) 0–1. Uddin,Md Saif (2105) – Dewan,Shahidul Amin (1930), 3rd SAIF POWERTEC National B Chess Cham, 2017. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 c5 5.bc5 Bc5 6.Be2 Nc6 7.d4 Bd6 8.Bb2 0-0)

8.Be2 a6 9.Nbd2 Bd7 10.c4 dc4 11.Nc4 h6?? (better 11...Be7=) 12.Nd6+- Ke7 13.Nb7 Qb6 14.Rb1 Qb7 15.a4 (better 15.d5 Qc7 16.dc6 Qa5 17.Qd2 Qd2 18.Kd2 Bc6 19.Rhc1+-) 15...Qb4+/- 16.Nd2 Qa5? (better 16...Nd8!?+/-) 17.Ba3 Ke8 (17...Kd8 18.0-0 Qf5 19.Nc4+-) 18.0-0 Nd5 (18...Qg5 19.Nc4 Ne7 20.Bf3+-) 19.Nc4 Qc7 (19...Nc3 20.Na5 Nd1 21.Nc6 Nc3+-) 20.Nd6 Kd8 (20...Qd6 21.Bd6 Nc3 22.Qc2 Nb1 23.Rb1+-) 21.Nf7 Kc8 22.Nh8 (22.Qd3!? Qa5 23.Qb3 Rb8+-) 22...Nc3 23.Qd2 Nb1 24.Rb1 Kd8 (24...Qa5 25.Qc2 Rb8+-) 25.Nf7 Ke8 26.Nd6 Kd8 27.Rb7 Qa5 28.Qa5 (better 28.Qb2 Be8 29.Bc5 Bd7+-) 28...Na5 29.d5! Nb7 (29...ed5 30.Rb4 Combination) 30.Nb7 Ke8 (30...Kc7 31.de6 Ba4 32.Nd6+-) 31.d6 (31.Bh5 g6 32.Bg6) 31...Rb8+- 32.Ba6 Ba4 33.Bc5 (better 33.f3+-) 33...Bc6 34.Ba7 (34.f3 Bb7 35.Bb5 Kf7+-) 34...Rb7 (better 34...Ra8!?+/-) 35.Bb7+- Bb7 36.Kf1 (36.Bd4!? g5+-) 36...Kd7 37.Bc5 h5 (37...e5 38.f4 ef4 39.ef4+-) 38.g3 (38.f3 Kc6+-) 38...g6 (38...Bf3 39.h4+/-) 39.Ke2 (39.f4 Be4+-) 39...Bc6 (39...e5!? 40.f3+-) 40.h4 Bb7 (40...e5 41.f3+-) 41.Kd3 Bf3 42.Kd4 Kc6 43.Ba3 Kd7 44.Ke5 Bd5 (44...Bd1 45.f4+-) 45.e4 Bc6 46.f4 (46.Bc5!? Bb7+-) 46...Bb7 47.f5 (47.g4!? hg4 48.f5 ef5 49.ef5 Ba6 50.fg6 g3+-) 47...gf5 48.ef5 ef5 49.Kf5 Bf3 50.Kg5 Bg4 51.Bc5 Be2 52.Kf6 Bg4 53.Ke5 Bf3 54.Be3 Bg4 55.Bf4 Bf3 56.Kf6 Bg4 57.Kg5 Bd1 58.Be5 Bg4 59.Bf4 Bd1 60.Be5 Bg4 61.Bf4 ½-½. amirgloo (1830) - MARIOM24 (1775), lichess.org, 2020.

8.Be2 Qb6 9.Ra2 =+.

8.Be2 Ne4 9.0-0 f5 (9...Qb6 10.Ra2=) 10.Nbd2 0-0 11.Ne4 (11.c4!?=) 11...fe4=+ 12.Ne5 Be5 13.de5 Qg5 14.c4 Rd8 15.cd5 ed5 16.Qb3? (16.f4 ef3 17.Rf3 Qe7=+ (worse 17...Ne5 18.Rg3 Qe7 19.Qd4+=)) 16...Ne5?? (better 16...Bh3! 17.g3 Bf1 18.Rf1 Ne5-+) 17.Be5 Qe5 18.Rad1 The backward pawn on d5 becomes a target 18...Be6 (18...b6 19.Rd4 Be6 20.Rfd1-/+) 19.g3? (19.Qb7 Qd6=) 19...d4 (19...Rd7-/+) 20.Qb7?? (better 20.Bc4 Bc4 21.Qc4 Kh8 22.ed4=) 20...d3-+ 21.Bd3 ed3 Black gets in control 22.Rd3 Bd5 (22...Rd3 Theme: Deflection from a8 23.Qa8) 23.Qb4 Qe4 Threatening mate: Qg2 24.Qe4 Be4 25.Rd8 Rd8 26.Rc1 (26.f3 Bc6-+) 26...Bf3 27.Kf1 Rd2 28.Ke1 (28.Ra1 g5-+) 28...Re2 29.Kf1 Ra2 30.h4 Kf7 31.Rc7 Kf6 The mate threat is Ra1 32.Ke1 Ra3 33.e4 (33.Rc8 Ke6 34.Rf8 Ra1 35.Kd2 Ra2 36.Ke1 Bg2-+) 33...Ra1 (better 33...Rd3!? 34.Rc6 Ke5 35.Rc1-+) 34.Kd2 Ra2 (better 34...Be4 35.Ke3 Bf5-+) 35.Ke3 Re2?? (35...Ra3 36.Kf4-+) 36.Kf4?? (better 36.Kf3 Ra2 37.e5 Ke5 38.Rg7+-) 36...Re4?? (better 36...Be4 37.f3 Bd5 38.Ra7 Rb2 39.Ra6 Ke7-+) 37.Kf3= Re5 (37...Re7 38.Rc8=) 38.Rc6 (38.Ra7 h5+/-) 38...Ke7 (38...Re6 39.Rc5=) 39.Kf4 (39.Ra6 Rf5 40.Ke3 Re5 41.Kf4 Rc5 42.Ra7 Kf6+/-) 39...Re6 (better 39...Rd5!?=) 40.Rc7+/- Kf6 41.Ra7 Re4?? (better 41...h5+/-) 42.Ke4+- Kg6 43.f4 Kh6 (43...Kf6+-) 44.g4 g6 (44...Kg6 45.f5 Kh6 46.Ra6 g6 47.f6 g5 48.Kf5 gh4 49.Ra7 h3 50.g5 Kh5 51.Rh7) 45.Ra6 (45.g5 Kh5 46.Kf3 h6 47.Rh7 Kh4 48.Rh6) 45...Kg7+- 46.g5 (46.g5 Kf8 47.Ke5+-) 1-0. muhammadaudii (1940) - RichardSommer (1985), lichess.org, 2020.

8.Ne5 Bd7 9.Bd3 Qc7 10.f4 Ne4 11.Nd2 Be5 12.de5 Qb6 13.Be4 (13.Ne4? de4 14.Be4 Qb2–+) 13...de4 (better is 13...Qb2 14.Bd3 Qc3=) 14.Nc4+/– Qc5 15.Nd6 Ke7 16.Qd2 Rhf8 (16...Rab8 17.Rd1+–) 17.0-0 (17.Nb7 Qb6 18.Qd6 Ke8+=) 17...Qa5 18.Bc3 Qd5 19.Rfd1 Qd2 20.Rd2 b6 21.Ne4 f6?? (better is 21...Rfc8+–) 22.ef6 gf6 23.Bf6 Ke8 (23...Rf6 24.Nf6 Kf6 25.Rd7 h5+–) 24.Nd6 1–0. Anantharam,R (1780) – Prasad,Aurangabadkar, ch–Commonwealth, Nagpur IND, 2008.

9.Nc3 Qa5 10.c5 Bb8 11.Bb5 =.

9.Nc3 Qa5 10.c5 Bc7 11.Nd2 =.

9.Nc3 a6 10.c5 Bc7 11.Bd3 b5 (11...e5!? 12.de5 Ne5 13.Ne5 Be5=) 12.cb6+= Bb6 13.0-0 Qd6 14.Qe2 (14.Qc2 Bd7+=) 14...Ne7 (14...Ba5 15.Rab1+=) 15.Rfb1 (15.a4 Ba5+/–) 15...Bb7 (15...Rb8 16.Na4+/–) 16.Nd2 (16.Na4 Bc7+/–) 16...Nd7? (better is 16...Bc7!? 17.g3 Nf5+=) 17.a4+/– Rfe8 18.a5 (18.Ba3 Qc7 19.Rc1 Qd8+/–) 18...Ba7 (18...Bd8 19.Ba3 Qc7 20.Ra2+/–) 19.Ba3 Qc7 20.Rc1 Nc6 21.Nb3 Na5? (better is 21...h6+/–) 22.Nd5+– Qc1 (22...Bd5 23.Rc7 Discovered attack; 22...ed5 23.Rc7 Discovered attack) 23.Nc1 (23.Rc1 Nb3 24.Ne7 Re7 25.Rc7+– (worse is 25.Be7 Nc1 26.Bh7 Kh7 27.Qc2 Nd3–/+)) 23...Bd5 24.Ba6 (24.Na2 Rec8 25.Ba6 Bc4 26.Bc4 Nc4+–) 24...Nf6 25.f3 Nb3?? (25...Nc6 26.Bb2 Bb6+–) 26.Nb3 Bb3 27.Qd3 (27.Bb7 Rab8 28.Qa6 Bd5 29.Bd5 Nd5 30.Qa7 Ra8+–) 27...Ba4 (27...Bd5+–) 28.Qc4 (better is 28.Bb7 Rad8 29.Bb4 Rd7+–) 28...Bd7 29.Bd6 (better is 29.Bb7 Rad8 30.Bb4 Bb8+–) 29...Bc8 (29...Bb8 30.Bb8 Reb8+–) 30.Bb5 Bd7 31.Bd7 Nd7 32.Qc7 (better is 32.Qc6!? Nf6 33.Qb7 Nd5+–) 32...Bd4 33.Ra8 (33.ed4 Ra1 34.Kf2 Nf6+=) 33...Be3 34.Kf1 (34.Kf1 Ra8 35.Qd7+–) 1–0. Feofanov,Alexander – Kozenkov, 2008.

9.Nc3 a6 10.c5 Be7 =.

9.Nc3 a6 10.Bd3 dc4=+ 11.Bc4 b5 12.Bd3 Bd7 13.0-0 e5 14.d5 Ne7 15.e4 Bg4 16.h3 Bh5 17.Be2 Qc8 18.Rc1 Bf3 19.Bf3+= Qd7 20.Rc2 Ng6 21.Bg4 Ng4 22.Qg4= Qg4 23.hg4 Rfc8 24.g3 Rc4 25.Rcc1 Rac8 26.Ne2 Rc1 27.Rc1= Rc1 28.Bc1 Ne7 29.f4+= f6 30.Nc3 Kf8 31.Kg2 Ke8 32.Kf3 h6 33.Nd1 Kf7 34.Ne3 a5 35.Nc2 g5 36.f5 Nc8 37.Bd2 a4 38.Nb4 Bb4 39.Bb4+= Ke8 40.Ke3 Kd7 41.Kd3 Nb6+= 42.Bf8 Nc4 43.Kc3 Ne3 44.Kd3 Ng4=+ 45.Ke2 h5 46.Kf3 Ke8 47.Bb4 Nh6 48.Be1 Nf7–/+ 49.Bb4 Kd7 50.Bc5 Nd6 51.Bb4 g4 52.Ke3=+ Ne8 53.Kf2 Nc7=+ 54.Ke3 Na6 55.Bc3 Kd6 56.Kf2 Nc7 57.Bb4= Kd7 58.Ke3 Ne8 59.Kd3 Nd6 60.Ke3 Nc4 61.Kd3 Nb2 62.Ke2 Nc4 63.Kd3 Nb6 64.Bc3 Nc8 65.Bb4= Nd6 66.Ke3 Nf7 67.Kf2 Ng5 68.Ke3 Nf3 69.Ke2 Nd4 70.Kd3 Nf3 71.Ke3 h4–/+ 72.gh4 Nh4 73.Bc5 Ng2 74.Kf2 Nf4 75.Kg3 Nd3 76.Bf8 b4! 77.ab4 a3 78.Kg4 a2 79.Kh5 a1Q 80.Kg6 Qa8 81.Bg7 Qe8 82.Kf6 Qe7 83.Kg6 Nf4 84.Kh7 Nh5 85.f6 Nf6 86.Kg6 Ne4 87.Kf5 Nd6 88.Kg6 Qf7 89.Kg5 Qg7 90.Kh4 Ke7 91.b5 Kf6 92.b6 Kf5 93.Kh3 Kf4 (94.Kh2 Kf3 95.b7 Qg2#) 0–1. Voelschow,Toni Eleonore – Weber,Kristina, GER–ch U14 Girls, 2003.

9.Nc3 Bd7 10.c5 Be7 11.Bd3 =.

9.Nc3 Bd7 10.cd5 ed5 11.Bd3 =.

9.Nc3 Ne4 10.Bd3+= f5 (10...Nc3 11.Bc3 dc4 12.Bc4+=) 11.0-0 Nc3 (11...Rf6 12.Qc2 Rh6 13.g3+= (13.Ne4? fe4 14.Be4 de4 15.Qe4 Na5–+)) 12.Bc3+/– Rf6 ½–½. Sebald,Ralph – Banik,Thorsten, Ruhrgebiet–ch U17, 1998.

9.Nc3 Ne7 10.Be2 Bd7 (10...dc4 11.Nd2=) 11.c5 Bc7 12.Rc1 Rc8 13.0-0 Ng6 14.Nb5 Bb8 15.Qb3 b6 16.cb6 (16.Nd6 Bd6 17.cd6 Ne4=) 16...Qb6= 17.Qb4 Ne4 18.Nc3 Qb4 19.ab4 Bd6 20.b5 (20.Ne4 de4 21.Nd2 f5=) 20...Rb8 21.Rb1 (21.Ra1 Rfc8 22.Rfc1 Nc3 23.Rc3 Rc3 24.Bc3 Bb5 25.Bb5 Rb5 26.Ra7 Rb1 27.Ne1 Kf8=) 21...Rfc8+= 22.Rfc1 f5 23.Ne4 fe4 (23...Rc1!? 24.Bc1 fe4+=) 24.Rc8= Rc8 25.Ne5 Be5 (25...Ne5!? 26.de5 Bb8=) 26.de5+= Rc2 27.Kf1 Ne7 28.Bd4 Nc8 29.Ke1 Nb6 30.Kd1 (30.Ra1 Rc7+=) 30...Ra2= 31.f3 ef3 32.gf3 Be8 33.h4 Bd7 34.Ra1 Ra1 35.Ba1 Na8 (35...Nc4!?=) 36.Bd4+= Nc7 37.b6 ab6 38.Bb6 Ne8 (38...Nb5 39.Kc2 Na3 40.Kc3 Nb1 41.Kd4+=) 39.Kd2 (39.h5 Kf7+/–) 39...g6+= 40.Bd3 Ng7 41.e4 Bc6 42.Ke3 Kf7 43.Bd8 ½–½. Huttl,Sofie – Muetsch,Annmarie, Chess Olympiad U16, 2016.

9.Nc3 Re8 10.Rc1 Bd7 11.Bd3 dc4 12.Bc4 Rc8 13.0-0 Bb8 (13...Na5 14.Bd3=) 14.Ba2 Ne7 15.Qe2 Ng6 16.Bb1 (16.g3 Bc6+=) 16...e5= 17.Bg6 hg6 18.de5 Ng4 19.Ne4 Ne5 (worse 19...Be5 20.Ne5 Ne5 21.Nd6 Rc1 22.Rc1+– (worse 22.Bc1 Re6 23.Bb2 Bc6 24.Be5 Re5–/+)) 20.Ne5 (20.Nfg5 Qa5 21.f4 Bg4 22.Rc8 Rc8+= (22...Be2?? 23.Re8)) 20...Be5 21.Be5 Re5 22.Ng3 Bc6 23.Rfd1 Rd5 24.e4 Rd1 25.Rd1 Qe7 26.Qe3 a6 27.Re1 (27.h3 Bb5=) 27...Rd8=+ 28.f3 Bb5 29.Qc1 Rd3 Exerts pressure on the isolated pawn 30.Re3 Re3 31.Qe3 Qd6 32.Kf2 Bc6 33.e5 Qd5 34.Ne2 Qa2 35.Kg3 Qc4 36.Nd4 Bd7 37.h3 b5 38.f4 a5 39.Nb3 a4 40.Nc5 (better 40.Nd2!? Qc1 41.Kf2=) 40...Bc6–/+ 41.e6 fe6 42.Ne6 (42.Qe6?? Qe6 43.Ne6 b4–+) 42...Qb3 43.Kf2 b4 (43...Qb2 44.Qe2 Qe2 45.Ke2–+) 44.ab4 (better 44.Qe5!? Qc2 45.Ke3 Qb3 46.Kf2 Qc2 47.Ke3 Qb3 48.Kf2=) 44...Qb2–/+ (44...Qb4 45.Qd3 Qb6 46.Nd4–/+) 45.Kg3? (better 45.Ke1 Qb4 46.Kd1–/+) 45...Qg2–+ (worse 45...Bg2 46.Qb6 Kf7 47.Ng5 Ke8 48.Qg6 Kd7 49.Qe6 Kc7 50.Qe7 Kb6 51.Qc5 Kb7 52.Qb5 Kc8 53.Qa4+–) 46.Kh4 Qe4 47.Qe4 Be4 48.Nd4 Kf7 (48...a3!? 49.b5–+) 49.Kg3 (49.Nb5 Bd3 50.Na3–+) 49...Kf6 (49...a3 50.b5 a2 51.Nb3–+) 50.Kf2? (50.Nb5 Bc6 51.Na3 Ke6–/+) 50...g5?? (better 50...a3–+) 51.fg5=+ Kg5 52.Ke3 Bd5 53.Nc2 Kh4 54.b5 Kh3 55.Kd4 Bb7 56.Kc5 g5 57.Kb4 Be4 58.b6 g4 (58...Bc2?? 59.b7+–) 59.Ka4?? (59.Ne3 g3=) 59...g3 (better 59...Bc2 60.Kb5 Be4–+) 60.Ne3= Kh4 61.Kb4 Kg5 62.Kc3 Kf4 63.Kd2 Kf3 64.b7 Bb7 65.Kd3?? (better 65.Nf5=) 65...Be4–+ 66.Kd2 Bg6 (66...Bg6 67.Ng2 Kg2 68.Ke2 Kh2 69.Kd2 g2 70.Kc3 g1Q 71.Kc4 Be4 72.Kc3 Qc5 73.Kb3 Bg6 74.Kb2 Qb4 75.Kc1 Qc3 76.Kd1 Bh5) 0–1. charmedones (2000) – wwgia (1750), gameknot.com, 2014.

9.Nc3 Re8 10.cd5 ed5 11.Bd3 Bg4 12.h3 Bh5 (12...Bf3 13.gf3 a6 14.Na4=+) 13.0-0 Bc7 (13...a6 14.g4 Bg6 15.Bg6 fg6 16.Qb3=+) 14.Re1 Rc8 15.Rc1 (15.Bf5 Rb8=) 15...Bb8 (15...Ne4 16.Be2=+) 16.g3 (16.Bf5 Rc7=) 16...Qd7 17.Bf1 (17.Kg2 Ne4 18.Be2 Qd6 19.Ne4 de4= (worse 19...Re4 20.Ng5 Be2 21.Ne4 de4 22.Qe2+-)) 17...Ne4 (17...Nd4 18.g4 Nf3 19.Qf3=) 18.Bg2=+ Ng5 (better 18...Na5!?=+) 19.g4+= Nf3 20.Qf3 The isolani on d5 becomes a target 20...Bg6 21.Nd5 (better 21.Qd5!? Qc7 22.f4+/-) 21...Be4= 22.Qe4 Re4 23.Be4 Re8 24.Bg2 h5 (24...Ne7 25.Ne7 Qe7 26.Rc3=) 25.g5 (25.gh5 Ne7 26.Ne7 Qe7+=) 25...Qf5 26.f4 Qd3 27.Red1 Qb3 28.Rd2 Re3 29.Ne3 Qe3 30.Rf2 Bf4 31.Rc3 (31.Bc6? Bg3 32.Rcf1 bc6-+) 31...Qe1 32.Rf1 Qd2 33.Ba1 Nd4 34.Kh1? (34.Rc8 Kh7 35.Bd4 Qd4 36.Kh1 Qe3-+) 34...Nf5 (34...Bg5?! 35.Rc8 Kh7 36.Rc7-/+) 35.Rc8 Kh7 36.Be4?? (36.Rc3-+) 36…Qh2 0-1. opperwezen (2715) - AstanehChess (2595), lichess.org, 2017.

9.Nbd2 b6 10.cd5 ½–½. Jose Luis – playwaycool, ChessWorld.net, 2006.

9.Nbd2 Qb6 10.Rb1 Qa5 11.c5 =.

9.Nbd2 Bd7 10.Bd3= Rc8 11.0-0 Qe7 (11...Qb6 12.Rb1 Qc7 13.c5=) 12.Ne5 Rfd8 (12...b6 13.Nd7 Qd7 14.Rc1=) 13.f4 b6 (14.Qf3 Na5=). Ross – Kjaerstad, corr 3GMM–02, 1995.

9.Nbd2 Re8 =.

9.Bd3 dc4 10.Bc4 a6 11.0-0 =.

9.Bd3 Re8 10.0-0 a6 11.Nc3 dc4= 12.Bc4 b5 13.Ba2 Bb7 14.d5 (14.e4 Bc7=) 14...ed5=+ 15.Nd5 Nd5 16.Qd5 Qe7 17.Rfd1 Rad8 18.Qh5 Na5?? (better 18...g6 19.Qh6 Qf8+=) 19.Ng5+- Nc4 (19...Be4 20.Bf7 Kf8 21.Be8 Qe8 22.Qe8 Re8 23.Rd6 Nc4 24.Ne4 Re4+-) 20.Qh7 Kf8 21.Qh8 (21.Qg7) 1-0. Arifars17 (2535) - andrezz209 (2050), Astaghfirullah Ramadan aknprgi Arena, lichess.org, 2020.

9.Bd3 Re8 10.0-0 a6 11.Nbd2 b6+=.

9.Bd3 Re8 10.0-0 a6 11.Nbd2 Bb8 12.Rc1 Qb6 13.Ba1 Qd8 14.cd5 ed5 15.Bb1 Bg4 16.h3 Be6 17.Qc2 Qd7 18.Ne5 Qd6 19.Ndf3 g6 20.Nc6 bc6 21.Qc6 Qf8 22.Ne5 (worse 22.Qa8 Bh2 23.Nh2 Ra8=+) 22...Ra7 23.Qc5 Qh6 24.Qc6 Rae7?? (better 24...Qf8=) 25.Qa6+- Kg7 26.Nc6?? (better 26.Bc3+-) 26...Bh3=+ 27.Rfd1?? (better 27.Ne5 Qg5 28.g3-/+) 27...Bg4 (27...Bh2 28.Kf1 Re3 29.Bf5 gf5 30.fe3 Qe3 31.Ne5 Ne4 32.Qh6 Kh6 33.Ng4 Bg4 34.Rc6 Kg5 35.Rg6 fg6 36.g3 Qf2) 28.Nb8?? (better 28.Ne5 Bd1 29.Rd1 Be5 30.de5-+) 28...Bd1 (28...Rb8 29.Qd6 Rbe8 30.Re1+=) 29.Nc6 (29.Rd1 Ng4 30.Qd3-+) 29...Ng4 30.Rd1 Re6 (30...Re3 31.fe3 Qh2 32.Kf1 Re3 33.Bg6 Qh1) 31.e4 (31.Ne5 Qh2 32.Kf1 Ra6 33.Ng4-+) 31...Qh2 32.Kf1 Qh1 (32...Re4 33.Be4 Re4 34.Ne5 Qh1) 33.Ke2-+ Qg2 34.Kd3 (34.Rf1 Rf6 35.e5 Rf2 36.Rf2 Qf2 37.Kd1 Ne3 38.Kc1 Nc4 39.Qc4 dc4-+) 34...Qf2 (better 34...Nf2 35.Kc2 Qe4 36.Kb3 Qe3 37.Ka4 Nd1-+) 35.ed5 (35.e5-+) 35...Re3 (better 35...Qe2 36.Kc3 Qa6-+) 36.Kc4 Qe2 37.Kc5 (37.Rd3 Qf1 38.Qb5-+) 37...Qa6 38.d6 Qc6! 39.Kc6 Rd8?? (better 39...Ra3 40.d7 Re6 41.Kb7 Re7-+) 40.d5 (40.d5 Kf8 41.Kc7=+). icehot1 (2470) - BehindBluEyes (2345), Rated Bullet game, lichess.org, 2015.

9.Bd3 Re8 10.0-0 Bd7 11.Nc3 Rc8 12.Qe2 a6 13.c5 Bb8 14.e4 de4 15.Ne4 Qe7 (better is 15...Nd5!?=) 16.Nf6+/– gf6 17.Nd2 Qf8 18.Qh5 Qg7 19.f4 Ne7 20.Rf3 Ng6 21.Raf1 Bc6 22.Be4 f5 23.Bc6 bc6 24.Nc4 f6 25.g3 Bc7 26.Bc3 Rcd8 27.R3f2 Re7 28.Qd1 Ree8 29.Qa4 Qd7 30.Rb1 Re7 31.Qa6 Qd5 32.Na5 Nf4= 33.Qc6 Nh3–/+ 34.Kf1 Ba5 35.Qd5 Rd5 36.Ba5 Nf2 37.Kf2 Rd4 ½–½. Bessat,Remy (1955) – Ollier,Pablo (1820), FRA–ch opB, 2004.

9.cd5 ed5 10.Nbd2 Bg4 11.Be2 Re8 12.0-0 Rc8 13.h3 Bh5 14.Rc1 Bg6 (14...Ne4 15.Ne4 de4 16.Nd2 Be2 17.Qe2=) 15.Nb3 (15.Nh4 Be4=) 15...a6 16.Nc5 Bc5 (16...Qe7!?+=) 17.dc5+= Ne4 18.Nd4 Nd4 (18...Na5 19.Qa4=) 19.ed4 (19.Qd4 f6+=) 19...Qc7 20.Bf3 f6 (20...Re7 21.Re1=) 21.Re1 Re7 22.Be4 (22.Qb3 Qc6+=) 22...Be4 23.f3 Bg6 24.Re7 Qe7 25.Qe1 Re8 26.Qe7 Re7 27.Kf2 Kf7 28.Re1 Bd3 29.Re7 Ke7 30.Ke3 Bb5 31.g3 Bc6 32.f4 Ke6 33.g4 g6 34.Bc3 f5 35.g5 Kd7 36.h4 Kc7 37.Ba5 Kd7 38.Bb6 Ke6 39.Kf3 Bb5 40.Ke3 Ba4 41.Kd3 Bb3 42.Kc3 Bc4 43.Kb4 Kd7 44.a4 Kc6 45.a5 Be2 46.Kc3 Bf3 47.Kb4 Be4 48.Kc3 Bf3 49.Kb4 Bg2 50.Kc3 Be4 51.Kb4 Bf3 52.Kc3 Bg4 53.Kb4 Bh5 54.Kc3 Bg4 55.Kb4 Bf3 56.Kc3 Be4 57.Kb4 Bf3 58.Kc3 ½–½. Fournier,Frederic – Titzer (1895), Partie amicale, 1m + 0s, 2008.

9.cd5 ed5 10.Bd3 Ne4 11.Nbd2 (11.Nc3 Bf5=) 11...Re8 12.0-0 (12.Qb3 Nd2 13.Nd2 Qg5=) 12...Bg4 13.Qc2 Rc8 14.Rac1? (better is 14.Qb3+=) 14...Nd4!–+ 15.Qd1?! (15.Bd4 Rc2 Discovered attack; 15.ed4 Rc2 Discovered attack; 15.Nd4 Rc2 Discovered attack) 15...Nd2 16.Qd2 0–1. Fournier,Frederic (1730) – Nikolaj_Matyuhin (1970), ChessOK.com, 2012.

9.cd5 ed5 10.Be2 Ne4 11.0-0 g5 12.Nc3 Nc3 13.Bc3 f5 14.Ne5 Qe7+= 15.Qb3 Be5 16.de5 Be6 17.Bd4 f4 18.Rac1 g4 19.Bc5+– Qg5? 20.ef4 Rf4 21.Qb7 Ne5?? 22.Qa8 Kf7 23.Bd6 Nf3 24.Kh1 Qh6 25.Rc7 Kg6 26.gf3 gf3 27.Bd3 (27...Bf5 28.Qe8 Kg5 29.Bf4 Kh4 30.Bf5 Qf4 31.Rh7 Qh6 32.Qg6 Qh7 33.Qg4#) 1–0. Juscamayta Zuegel,Tupac Amaru – Wiwie,Manfred, Oberschwaben–chB, 1994.

9.Be2 dc4 10.Bc4 b6 11.0-0 Bb7 12.Nbd2 Rc8 13.Qe2 Bb8 14.e4 Na5 15.Bd3 b5 (15...Nh5 16.g3=) 16.Rac1 (16.Bb5?! Rc2 17.Bc1 Ne4=+) 16...a6 17.Rc8 Qc8 18.Rc1 Qd8 19.e5 Nd7 20.Bc3 Bd5 21.Bb4 Re8 22.h4 (22.Qe3 Nc6+=) 22...f6= 23.ef6 Nf6 24.Ne5 Bd6 25.g4 (25.h5 Nb7+=) 25...Bb4 (better 25...Rf8!?=) 26.ab4+/- Nc4 27.Ndc4 bc4 28.Bc4 Qb6 29.Bd5 Nd5 30.Qd2 (30.Qf3 Qa7+/-) 30...Qb4 31.Qb4 Nb4 32.Nc6 (32.Rc7 Ra8=) 32...Nd3 (32...Nc6 33.Rc6 Rd8 34.Ra6 Rd4 35.f3=) 33.Rc3 Nf4 34.Ra3 Ra8 35.Ra5 Nd5 36.Kg2 Kf7 37.Kg3 Ke8 38.f4 Kd7 (38...g6 39.Kf3+=) 39.Ne5 (39.Ra6! Ra6 40.Nb8 Kd6 41.Na6+/-) 39...Kd6 40.Nc4 Ke7 41.Ne5 Nb4 (41...Kd6!?=) 42.Kf3+= Rd8 (42...g6!?+=) 43.Ra4+/- a5 44.Ra5 Rd4 45.Ra7 Kf8 (45...Kd6+/-) 46.Rf7 (better 46.Rb7!? Na6 47.Rf7 Kg8 48.Ra7+-) 46...Kg8+/- 47.Re7 (47.h5 Nd5+=) 47...Rf4+= 48.Kg3 (worse 48.Kf4 Nd5 49.Ke4 Ne7=+) 48...g6 (48...Kf8 49.Re6 Rf1 50.Rb6+=) 49.Re8 Rf8 50.Re6 Nd5 51.Nc6 (51.Ng6 hg6 52.Rg6 Kf7+/-) 51...Kg7 52.Re5 Nc3 53.Re7 Rf7 54.Rf7 Kf7 55.Ne5 Ke6 56.Nf3 h6 57.Kf4 Nd5 58.Ke4 ½-½. Brunner,Sophia (1880) - Reitz,Theresa (1940), ch-GER DEM Women, 2020.

10.c5 Bc7 11.Bd3 Bd7 12.0-0 Bc6 13.Qc2 Nc4 14.Bc4 dc4 15.Nd2 Nd5 16.Nce4 (better is 16.Nc4!? Qh4 17.g3+=) 16...f5+= 17.Nc3 Rf6 18.Nc4 Bh2 19.Kh2 Rh6 20.Kg1 Qh4? (better is 20...Nc3!? 21.f3 Na4=) 21.f3+– Nf4?? (better is 21...Qh2 22.Kf2 Rg6+–) 22.ef4 Qh2 23.Kf2 Bf3 24.Kf3 (better is 24.Ne3!? Qf4 25.gf3 Rh2 26.Ng2 Qh4 27.Ke3 Qg5 28.f4 Qg6+–) 24...Rh3 25.Ke2 Qg2 26.Rf2 Qg4 (26...Qf2 27.Kf2 Rh2 28.Ke3 Rc2+–) 27.Kd2 Qg3 28.Raf1 Rh1 (28...Rd8 29.Ne2 Qh4 30.Qa4+–) 29.Nd1 (29.Nd1 Rf1 30.Rf1+–) 1–0. Vukovic,Ljubomir (1925) – Jovanovic,Miroslav (2085), Belgrade Winter op, 2007.

10.c5 Be7 =.

10.cd5 ed5 11.Nb5 Be7 =.

10.cd5 ed5 11.Qc2 Bg4 12.Ne5 Be6 13.Bd3 Nc4 14.Nc4 dc4 15.Be2 Rc8 16.e4 Bf4 17.Rd1 Qb6 18.0-0 Rfe8 19.Bf3 Ng4 20.g3 Bg5 21.e5 Nh6 22.Na4 Qc7 23.Be4 Bh3 24.Rfe1 (24.Bh7?! Kh8 25.Be4 Bf1 26.Rf1 b5=) 24...g6 25.Bc1 Bc1 26.Qc1 Kg7 27.Nc5 1–0. Liptak,Tibor – Farkas,Lajos, HUN–ch E363 corr, 1999. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 c5 5.bc5 Bc5 6.Bb2 Nc6 7.d4 Bd6 8.c4 0-0)

10.cd5 ed5 11.Be2 Nc4 12.Bc4 (12.Qb3 Nb2 13.Qb2 a6=) 12...dc4 13.Qa4 Qc7 14.0-0 Bd7 (14...Bf5 15.Rfc1 Ng4 16.g3+=) 15.Qc2= Rac8 (15...Rfe8 16.e4 Bf4 17.e5+=) 16.e4 Bf4 (16...Ng4 17.e5 Be7 18.Bc1+=) 17.e5 Nh5 18.h3 Bh6 19.a4 (19.Bc1 Bc1 20.Rfc1 f6=) 19...Nf4 20.Bc1 (20.Nb5 Qa5=) 20...Bc6 (20...Qa5 21.Bf4 Bf4 22.d5=) 21.Nb5 (21.Bf4 Bf4 22.d5 Bd7+=) 21...Qd7 Black gets the initiative 22.Bf4 Bf4 23.Na7 (23.Ra3!? a6 24.Nd6=) 23...Bf3–/+ 24.Nc8 Rc8 25.e6 Qe6 26.Rfe1 Qd7 27.gf3?? (27.a5–+) 27...Qh3 (27...Qd4 28.Qf5 Rf8 29.Rab1+=) 28.Ra3 (28.Re4 Bh2 29.Kh1 Bd6 30.Kg1 Qh2 31.Kf1 Qh1 32.Ke2 Qa1–+) 28...Bh2 29.Kh1 Bd6 30.Kg1 Ba3 (30...Ba3 31.f4 Qg4 32.Kf1 Qf4–+) 0–1. Diener,Rudolf – Kedzierski, corr 3GMM½–08, 1998.

10.Nc3 a6 11.Na4 Ba5 12.Bc3 Bc3 13.Nc3 Qa5 14.Qd2 h6 (14...Re8 15.Be2=) 15.Bd3 (15.Be2 b6 16.cb6 Rb8+=) 15...Re8= 16.0-0 Qc7 (16...e5 17.de5 Ne5 18.Ne5 Re5 19.Ne4 Qd2 20.Nd2=) 17.e4+= de4 18.Ne4 Ne4 19.Be4 Bd7 20.Rfc1 Rad8 21.Qc2 (21.Rab1 Na5+=) 21...f5= 22.Bd3 e5 (better 22...Bc8 23.Re1 Qf4=) 23.d5+/- e4 (23...Na5 24.Qc3 e4 25.d6+/-) 24.dc6 (better 24.Bc4 Kh8 25.dc6 Qc6 26.Nh4+-) 24...ed3+/- 25.Qd3 (25.Qb3!? Be6 26.Qb7+/-) 25...Qc6 26.Nd4 (26.Qc3 Qa4=) 26...Qd5=+ 27.Qc4?? (27.Qb3 Bc6=+) 27...Qc4 (better 27...Re1! 28.Re1 Qc4-+) 28.Rc4= Bc8 29.c6? (29.f3 Re3=) 29...bc6?? (better 29...b5 30.Rb4 a5-+) 30.Nc6= Rd2 31.Rd4 Rd4 32.Nd4 Kf7 33.Kf1 f4 34.Rc1 g5 35.Rc7 Kf6 36.Rc6 Ke5 37.Nf3 Kf5 38.Rh6 a5? (better 38...g4!? 39.Nd4 Ke4+=) 39.Rh5+/- Ba6 (39...Kf6 40.Rg5 (40.Ng5?? Ba6 41.Kg1 Re1) 40...Bf5 41.Rh5+-) 40.Kg1+- Rg8 41.h4 Ke4? (41...Bd3 42.Ng5 (worse 42.Rg5 Rg5 43.Ng5 Kg4+-) 42...Kg4 43.Rh6+-) 42.Rg5 (42.Ng5!? Kd3+-) 42...Rg5 43.Ng5 (43.hg5?! Kf5+/-) 43...Kd3?? (43...Kf5+-) 44.h5 Kc3 (44...Bc8 45.h6 Bf5 46.h7 Bh7 47.Nh7+-) 45.h6 (better 45.Ne4 Kd4 46.h6 Ke4 47.h7+-) 45...Bd3 46.h7 Bh7 47.Nh7 Kb3 (47...Kc4+-) 48.Nf6 (better 48.g4 fg3 49.f4+-) 48...Ka3 49.Nd5 Kb2 (49...Kb3 50.Nb6 Kb4+-) 50.Nf4 (better 50.g4 a4 51.Nb6+-) 50…a4=. Bendega (1970) - chessmastertimmy (1950), lichess.org, 2021.

10.Nc3 Re8 11.Be2 e5 12.de5 Ne5 13.Nb5 Ba5 14.Bc3?? (14.Kf1!? Nf3 15.Bf3+=) 14...a6?? (better 14...Nf3 15.Bf3 a6–+) 15.Ne5=+ ab5 16.Qd4 Bc3 (16...Ne4 17.Bb4 Qf6 18.Ba5 Qf2 19.Kd1 Ra5 20.Rf1 Qg2 21.Rf7–+) 17.Qc3 Ne4 18.Qb2 Qa5 (18...Qg5 19.Nd3 Qg2 20.Rf1–/+) 19.Kf1 Nd2 20.Kg1 Nc4 21.Nc4 bc4 22.h3 (22.Qd4 Be6–+) 22...Qc5 23.Kh2 Qd6 (23...c3 24.Qc2 Ra3 25.Bd3–+) 24.g3 Qh6 (24...Qe5 25.Qb5–+) 25.Kg2 (25.Bf1 Qc6–+) 25...Ra6 (25...Qc6 26.Bf3–+) 26.Qd4 (26.Bf3 Qc6–/+) 26...Bd7 (26...Bf5 27.Bf3 Ra5 28.Ra2–+) 27.Bf3–/+ Rd6 (better 27...Ra5–/+) 28.Bd5?? (better 28.Rad1–/+) 28...Rd5!–+ 29.Qc4 (29.Qd5 Bc6 Pinning (29...Bc6 Decoy)) 29...Bc6 30.e4 (30.Kh2 Rd2 31.Rhf1 Qe3–+) 30...Re4! 31.Qc3 (31.Qe4 Rd2 Pinning (31...Rd2 Decoy)) 31...Re2 (better 31...Rd3! 32.Qd3 Re3 33.Kh2 Rd3 34.Rhg1–+) 32.Kf1 Rdd2 33.Rh2 Rc2 34.Qd4 Qd2 (better 34...Bb5 35.Kg1 Rc1 36.Qd1 Rec2–+) 35.Qa7 (35.Qd2 Red2 36.h4–+) 35…Bb5 (35...Bb5 36.Qb8 Re8 37.Kg1 Rc1 38.Rc1 Qc1 39.Kg2 Bf1 40.Kf3 Be2 41.Kg2 Qf1; 35...Re8 36.Qe3 Re3 37.fe3 Qh2 38.e4 Qf2) 0–1. apistos (1920) – carlog (1915), gameknot.com, 2017.

10.Nbd2 Qe7 11.Bd3 Rd8 12.Rc1 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Qe5 16.Nf3 (16.0-0 Bg4 17.Qb3 Rd7+=) 16...Qh5 (16...Qb2 17.0-0=) 17.h3 Bf5 18.Qc2 (18.Bf5 Qf5 19.0-0 Rdc8=) 18...Bd3 (18...Be4 19.Qd1=+) 19.Qd3= Re8 (19...Rac8 20.Qd4=) 20.0-0+= Rad8 21.Qb5 Rb8 22.a4 a6 23.Qb6 Re6? (23...Ne4 24.a5+=) 24.Qc7 (better 24.c6+-) 24...Ree8+= 25.Nd4 Ne4 26.Rfd1 (26.c6 bc6 27.Rc6 Ra8+/-) 26...Nc3 (26...Rbc8 27.Qb7 Nc5 28.Qb1+=) 27.Rd2 Na4 (better 27...Ne4 28.Rdc2 Rec8+=) 28.Rb1?? (28.Qa5!? b5 29.Qa6+-) 28...Nc3 (better 28...Rbc8 29.Qb7 Nc5-/+) 29.Rb7+= Rb7 30.Qb7 Ne4 31.Ra2 (31.Qc6 Rf8 32.Re2 a5+=) 31...Qd1= (31...Nc5? 32.Qc6 f5 33.Qc5+-) 32.Kh2 Qf1?? (32...Nd2 33.h4 Nf1 34.Kh3 Nd2=) 33.Qd5?? (better 33.f3 Nc3 34.Ra6+-) 33...Nf2=+ 34.Rf2 (34.Kg3 Re3 35.Nf3 Ne4 36.Kh2=) 34...Qf2-/+ 35.c6? (better 35.Nf5 Qb2 36.Qd4 Qb8 37.Nd6-/+) 35...Qe3-+ 36.c7 (36.Qd6 Qe5 37.Qe5 Re5 38.Nb3-+) 36...Qf4 37.Kg1 (37.g3 Qf2 38.Qg2 Qd4-+) 37...Qc7 (37...Re1) 38.Nf3 Qa7 39.Kh2 a5 40.h4 (40.Qc6 Rd8 41.Qa4 Qb8 42.Kg1 Qb4-+) 40...a4 41.Ng5 Rf8 (41...h6 42.Nf3-+) 42.Qa2 (42.Qd3 g6 43.Qa3 Qb8 44.g3 Qb3 45.Qb3 ab3-+) 42...h6 43.Nf3 a3 44.Kh3 Ra8 45.Ne5 (45.Kg3-+) 45...Qe7 46.Nf3 Qe6 47.g4 Qa2 (47...Qa2 48.Nd4 Qf2 49.g5 Rd8 50.g6 Rd4 51.gf7 Kf7 52.h5 Rh4) 0-1. amirgloo (1865) - guillotina86 (1975), lichess.org, 2020.

10.Bd3 Rb8 11.0-0 =.

10.Bd3 Re8 11.0-0 e5 12.Ng5 e4–/+ 13.Bb5 Bd7 14.Nc3 a6 15.Ba4 Ng4 16.f3?? Nh2 17.fe4? Nf1 18.Qh5–/+ h6 19.Nf7 Qf6?? 20.Rf1+– Qf1 21.Kf1 Rf8 22.Nd5 Rf7 23.Ke2 Bg3 24.Bb3?? Rf2+/– 25.Kd3 Rb2 26.Ne7?? Kh8–+ 27.Bc2? Ne7 28.e5 Bf5 29.e4 Be4! 30.Ke4 Rc2 31.Qf7 Re2 32.Kd3 Rg2 33.Qe7 Ra2 34.Qb7 Ra3 35.Ke4 Rf8 36.e6 Bf2 37.Qd7 Re3 38.Kd5 Rd3?? 39.e7=+ Rd4 40.Kc6?? Rf6 41.Kc7 Rd7 42.Kd7 Rf7 43.c6 Re7! 44.Ke7 Bb6 0–1. alaamattar (2205) – itsmenow (2045), net–chess.com, 2005.

10.Be2 Ne4 (10...b6 11.cb6 Bd6 12.ba7 Ra7 13.Nc3=) 11.0-0 f5 12.Nc3 a6 (12...Bd7 13.Qc2=) 13.g3 Rf6 (13...b6 14.cb6 Bb6 15.Rb1=) 14.Ne4 (14.Rb1 Rg6=) 14...fe4= 15.Ne5 (15.Nd2 Rb8=) 15...Ne5 16.de5 Rf7 (16...Rf8 17.f3 ef3 18.Rf3=) 17.Bh5 (17.f4 ef3 18.Rf3 Rf3 19.Bf3 Qg5=) 17...g6+= 18.Be2 Qe7 (18...Bd7 19.Rb1=) 19.Rc1 (19.Qb3 Rf5=) 19...Bd7+= 20.Qb3 (20.Bd4 Bc6+=) 20...Bc6 21.Bd4 Raf8 22.Qd1 (22.Qb2 h5+=) 22...Qg5 (22...h5!?–/+) 23.h4+= Qe7 24.f4 (24.Qc2 Rf5+=) 24…ef3!–/+ ½–½. Bessat,Remy (2015) – Benifei,Patrick (2110), Bethune Festival tournoi A, 2002.

9.Nc3 a6 10.Bd3 Qc7 11.cd5 Nd5 12.Nd5 ed5 13.Rc1 Bb7 14.Ne5 Be5 15.de5 Qe7 16.f4 f6 17.0-0 0-0-0 18.Bd4 b5 19.Ba7 g6 20.a4 Kd7 21.Bc5 Qe6 22.ab5 ab5 23.Bb5 fe5 24.fe5 Qe5 25.Qg4 Ke8N 26.Bb4 Rd6 27.Rc6 Bc6 (27...Rd7 28.Rcf6 Qf5 29.R6f5 Kd8 30.Rf8 Kc7 31.Ba5 Kd6 32.Qd7 Ke5 33.Qe7) 28.Qc8 Ke7 29.Qc7 Ke6 (29...Ke8 30.Qf7 Kd8 31.Ba5 Kc8 32.Qc7) 30.Qf7 (30.Qd6 Qd6 31.Bd6 Bb5=+; 30.Bd6 Qg7 31.Qg7 Kd6 32.Qf6 Kc7 33.Qc6 Kb8 34.Qb6 Kc8 35.Rc1; 30.Bc6 Rf8 31.Rf8 Qe3 32.Rf2 Qc1 33.Rf1 Qf1 34.Kf1 Rc6 35.Qc6 Kf5 36.Qd5 Kf6 37.g4 h5 38.Qd6 Kf7 39.Qe7 Kg8 40.Bc3 hg4 41.Qg7) 1-0. marekt (1980) - jezuskristus (1655), gameknot.com, 2014.

9.Nc3 Ba6 10.Nb5 (10.Qa4 Bb7+=) 10...Bb5= 11.cb5 Ne7 12.Ne5 Rc8 13.Rc1 Be5 14.de5 Nd7 15.Be2 0-0 16.0-0 Ng6 17.f4 Nc5 18.g3 Qe7 19.h4 Ne4 20.Qe1 Rc1 21.Bc1 Rc8 22.Kg2 (22.h5 Nf8=+) 22...Qc5 23.h5 Ne7 24.g4 (24.Bd3 Nf5 25.g4 Nh6 26.Be4 de4=+) 24...Nc3-/+ 25.Qd2 Nb5 26.Qb2 Nc3 27.Ba6 Rc7 28.Bd2 d4 29.Rc1 (29.ed4 Qd4 30.Rf3 Ned5-/+) 29...Ned5 (29...Qd5!? 30.Kg3 Ne4 31.Kh2 Rc1 32.Bc1-+) 30.e4-/+ Ne3 31.Kf3? (better 31.Be3 de3 32.Qb4-/+) 31...Nc4-+ 32.Bc4 Qc4 33.Qc2 Qe2 34.Kg3 d3 35.Qb2 (35.Qc3 Rc3 36.Rc3-+) 35...Ne4 36.Kh3 Qf3 (36...Qd2 37.Qd2 Nd2 38.Rc7+=) 37.Kh2 Qg3 (37...Qg3 38.Kh1 Nf2; 37...Qf2 38.Kh1 Ng3) 0-1. Williams,Barry - Vetheraniam,Prince, NZL Championship Wanganui Chess Club, 2004.

9.Nc3 Bb7 A) 10.Rc1 A1) 10...g6 11.cd5 (11.Nb5 0-0 12.cd5 ed5 13.Bd3 Rc8 14.0-0 Be7 15.Ne5 a6 16.Nc3) 11...ed5 12.Bd3 0-0 13.Nb5 Rc8 14.0-0 Be7 15.Ne5 a6 16.Nc3; A2) 10...Rc8 11.cd5 ed5 12.Bd3 0-0 13.0-0 Na5 14.Bf5 Rc7 15.Nb5 Rc1 16.Qc1; A3) 10...0-0 11.cd5 ed5 12.Bd3 Re8 13.0-0 a6 14.Na4 Ne4 15.Qb3 b5 16.Nc5; A4) 10...h6 11.cd5 (11.h3 0-0 12.cd5 Nd5 13.Bd3 Nc3 14.Rc3 Ne7 15.0-0 Ng6 16.Nd2; 11.Bd3 dc4 12.Bc4 0-0 13.Nb5 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3; 11.Nb5 0-0 12.Bd3 dc4 13.Bc4 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3) 11...ed5 12.Bd3 a6 13.Qb3 0-0 14.Na4 Rb8 15.0-0 Ne4 16.Qa2; A5) 10...a6 11.cd5 (11.Bd3 dc4 12.Bc4 0-0 13.Bd3 Rc8 14.0-0 b5 15.Ne4 Ne4 16.Be4; 11.h4 dc4 12.Bc4 0-0 13.Bd3 Rc8 14.0-0 b5 15.Ne4 Ne4 16.Be4; 11.Be2 0-0 12.cd5 ed5 13.0-0 b5 14.Bd3 Na5 15.Qe2 Nc4 16.a4; 11.h3 0-0 12.cd5 ed5 13.Bd3 b5 14.Qe2 Na5 15.Ne5 Nc4 16.f4; 11.Qc2 Rc8 12.cd5 Nd5 13.Bd3 Nc3 14.Bc3 Ba3 15.Rd1 b5 16.Qb3) 11...ed5 12.Bd3 0-0 13.0-0 b5 14.h3 Na5 15.Qe2 Nc4 16.Bf5; A6) 10...dc4 11.Bc4 0-0 12.0-0 Rc8 13.Bd3 a6 14.g3 Qe7 15.Na4 Nd7 16.Nc3; B) 10.Bd3 dc4 11.Bc4 0-0 12.Bd3 Ne7 13.Nb5 Ne4 14.d5 Nc5 15.de6 Bf3 16.gf3; C) 10.Nb5 C1) 10...h6 11.Rc1 (11.Bd3 0-0 12.Rc1 dc4 13.Bc4 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3; 11.cd5 ed5 12.Nd6 Qd6 13.Bd3 0-0 14.0-0 Ne4 15.Ne5 f6 16.Ng6; 11.Nd6 Qd6 12.Rc1 Ne4 13.Bd3 0-0 14.0-0 Rac8 15.Nd2 Na5 16.Ne4) 11...0-0 12.Bd3 dc4 13.Bc4 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3; C2) 10...Ne4 11.Bd3 (11.Rc1 Rc8 12.Bd3 0-0 13.0-0 Be7 14.cd5 Qd5 15.Nc3 Nc3 16.Rc3; 11.Nd6 Qd6 12.Bd3 0-0 13.0-0 Na5 14.cd5 ed5 15.a4 Rfc8 16.Ba3; 11.Nd2 0-0 12.cd5 ed5 13.Ne4 de4 14.Rc1 Rc8 15.Be2 a6 16.Nd6; 11.cd5 ed5 12.Nd2 0-0 13.Ne4 de4 14.Rc1 Rc8 15.Be2 a6 16.Nd6) 11...0-0 12.Rc1 Rc8 13.0-0 Na5 14.cd5 Rc1 15.Qc1 ed5 16.Qc2; C3) 10...Be7 11.cd5 (11.Rc1 0-0 12.cd5 ed5 13.Bd3 Ne4 14.Nc3 Nc3 15.Rc3 Qd6 16.0-0; 11.Bd3 0-0 12.cd5 Qd5 13.0-0 Rac8 14.Rc1 Ne4 15.Nc3 Nc3 16.Rc3) 11...Nd5 12.Bd3 a6 13.Nc3 0-0 14.0-0 h6 15.Qd2 Nc3 16.Bc3; C4) 10...Rc8 11.cd5 ed5 12.g3 h5 13.Bd3 0-0 14.Ne5 Re8 15.Nd6 Qd6 16.0-0; C5) 10...0-0 11.Bd3 (11.Rc1 Rc8 12.Bd3 Be7 13.cd5 Qd5 14.0-0 Ne4 15.Nc3 Nc3 16.Rc3) 11...dc4 12.Bc4 Be7 13.Bd3 Qd5 14.0-0 Rfc8 15.Nc3 Qa5 16.Nb5; D) 10.Qc2 D1) 10...Rc8 11.cd5 ed5 12.Bd3 0-0 13.0-0 Na5 14.Ne5 Nc4 15.Bc4 dc4 16.f4; D2) 10...Qe7 11.Nb5 (11.cd5 ed5 12.Bd3 0-0 13.0-0 Rac8 14.Qe2 Na5 15.Bf5 Rc6 16.Nb5; 11.h3 Rc8 12.cd5 ed5 13.Bd3 0-0 14.0-0 Na5 15.Rfc1 Rfe8 16.a4; 11.Rc1 0-0 12.Nb5 dc4 13.Nd6 Qd6 14.Qc4 Rac8 15.Bd3 Ne7 16.Qb4; 11.Be2 dc4 12.Bc4 0-0 13.Bd3 Rac8 14.0-0 Rfe8 15.Rfc1 e5 16.Bb5; 11.Bd3 dc4 12.Bc4 0-0 13.Bd3 Rac8 14.0-0 Rfd8 15.h3 g6 16.Rfe1) 11...0-0 12.Nd6 Qd6 13.c5 Qe7 14.Bd3 Ne4 15.Be4 de4 16.Qe4; D3) 10...g6 11.cd5 (11.Rc1 0-0 12.Nb5 Be7 13.cd5 Nd5 14.Bd3 Rc8 15.Qe2 a6 16.Nc3; 11.Bd3 dc4 12.Bc4 0-0 13.0-0 Rc8 14.Be2 Na5 15.Rfc1 Nc4 16.Qb3; 11.Be2 dc4 12.Bc4 0-0 13.Bd3 Rc8 14.0-0 Na5 15.e4 Nh5 16.g3; 11.Nb5 0-0 12.Nd6 Qd6 13.Rc1 dc4 14.Qc4 Rac8 15.Bd3 Na5 16.Qb4) 11...ed5 12.Bd3 0-0 13.0-0 a6 14.Na4 Rc8 15.Qb3 b5 16.Nc5; D4) 10...dc4 11.Bc4 Rc8 12.Bd3 0-0 13.0-0 Na5 14.Ne5 g6 15.Qe2 Nb3 16.Rad1; D5) 10...h6 11.cd5 (11.Rc1 Rc8 12.cd5 ed5 13.Bd3 0-0 14.0-0 Re8 15.Qe2 Qd7 16.g3) 11...ed5 12.Bd3 0-0 13.0-0 Rc8 14.Rac1 Na5 15.Ne5 Nc4 16.Bf5; D6) 10...0-0 11.cd5 (11.Rc1 Qe7 12.Nb5 Ne4 13.Nd6 Qd6 14.Bd3 f5 15.0-0 Rac8 16.c5) 11...ed5 12.Bd3 g6 13.0-0 a6 14.Rac1 Rc8 15.Rfe1 b5 16.h3; E) 10.cd5 E1) 10...Nd5 11.Bd3 (11.Nd5 ed5 12.Rc1 Rc8 13.Ne5 0-0 14.Bb5 Ne5 15.de5 Rc1 16.Qc1; 11.Rc1 0-0 12.Bd3 Nc3 13.Rc3 Ne7 14.0-0 Nd5 15.Rc1 Qe7 16.Qb3; 11.Bb5 Nc3 12.Bc3 0-0 13.d5 ed5 14.Qd5 Qc7 15.Qg5 f6 16.Qg4; 11.Bc4 Nc3 12.Bc3 0-0 13.d5 ed5 14.Qd5 Ne5 15.Qb7 Nc4 16.0-0; 11.Nb5 Be7 12.Bd3 0-0 13.0-0 Rc8 14.Rc1 Qd7 15.Qd2 f5 16.h3) 11...0-0 12.0-0 Rc8 13.Rc1 f5 14.Nd5 ed5 15.Qa4 Qd7 16.Rc3; E2) 10...ed5 11.Bd3 (11.Rc1 0-0 12.Bd3 Re8 13.0-0 a6 14.Na4 Ne4 15.Qb3 b5 16.Nc5; 11.Qa4 a6 12.Bd3 0-0 13.0-0 b5 14.Qc2 g6 15.Rac1 Rc8 16.Rfe1) 11...0-0 12.Rc1 Qe7 13.Nb5 Ne4 14.Nd6 Qd6 15.0-0 f6 16.Nd2.

9.Nc3 dc4 10.Bc4 (10.e4 e5 11.de5 (11.Bc4 0-0 12.d5 Na5 13.Bb5 Bd7 14.0-0 Ne4 15.Bd7 Nc3 16.Bc3) 11...Ne5 12.Nb5 Nf3 13.Qf3 Bg4 14.Bf6 Bf3 15.Bd8 Be5 16.Bg5) 10...0-0 (10...Bb7 11.0-0 (11.e4 0-0 12.0-0 Na5 13.Bd3 Be7 14.Qa4 Rc8 15.Rac1 a6 16.e5; 11.d5 Ne5 12.Ne5 Be5 13.Qa4 Kf8 14.de6 fe6 15.f4 Bd6 16.0-0) 11...0-0 12.e4 Na5 13.Bd3 Be7 14.Rc1 Rc8 15.Ne5 h6 16.h3) 11.Qc2 (11.Nb5 Bb7 12.0-0 Rc8 13.Bd3 Be7 14.Rc1 h6 15.h3 a6 16.Nc3; 11.0-0 a6 12.e4 b5 13.Bd3 Be7 14.e5 Nd5 15.Nd5 Qd5 16.Qc2) 11...Bb7 12.h4 (12.Bd3 Rc8= (12...Na5 13.e4 Bf4 14.e5 Nd5 15.Bh7 Kh8 16.Be4) 13.0-0 Qe7 14.Rfc1 g6 15.Qd1 a6 16.Na4) 12...Rc8=+ 13.Bd3 g6 (13...Na5 14.0-0 g6 15.Qe2 Nb3 16.Rad1) 14.Ke2 (14.Qe2 Re8= (14...e5 15.d5 Na5 16.0-0) 15.Nb5 Bb8 16.Rd1; 14.Rc1 Na5 15.Qa4 a6 16.0-0) 14...Na5 (14...e5 15.d5 Nd5 16.h5) 15.g4 (better 15.e4!?=+ Ng4 16.h5; 15.Rac1 Ng4 16.h5) 15...Ng4–+ 16.e4 (16.Rhg1–+) 16...e5 17.Rag1? (better 17.d5–/+) 17...ed4 18.Rg4 dc3 (18...Rc3?! 19.Bc3 dc3 20.h5–/+) 19.Bc1 Re8 (19...Nc4 20.Qb3 Qd7 21.Rhg1–+) 20.h5 f5?? (better 20...Bd5!–+) 21.Qa2+– Kf8 22.Bh6?? (better 22.hg6 hg6 23.Rg6+–) 22...Ke7+– 23.Bg5 1–0. Mercky,G (1905) – Le Moal,M (1710), 2nd Open, Gap FRA, 2008.

9.Nc3 Bd7 A) 10.Rc1 A1) 10...Ne7 11.cd5 (11.Bd3 dc4 12.Bc4 0-0 13.0-0 Ned5 14.Qb3 Rc8 15.Nd5 Nd5 16.g3; 11.Ne5 0-0 12.Bd3 Ng6 13.f4 Rc8 14.0-0 dc4 15.Nc4 Bc6 16.Qe1; 11.Be2 Rc8 12.Qb3 0-0 13.0-0 dc4 14.Bc4 h6 15.Ne5 Nf5 16.Rfd1) 11...Ned5 12.Nb5 Bb8 13.Bd3 0-0 14.0-0 Ne4 15.g3 f5 16.Qb3; A2) 10...Qe7 11.Nb5 (11.cd5 ed5 12.Qb3 Na5 13.Qa2 0-0 14.Bd3 Qe6 15.Ne5 Rac8 16.Nd7) 11...0-0 12.Bd3 Rac8 13.Nd6 Qd6 14.0-0 Na5 15.cd5 Rc1 16.Qc1; A3) 10...0-0 11.Nb5 (11.Bd3 dc4 12.Bc4 a6 13.0-0 b5 14.Bd3 Rc8 15.Ng5 b4 16.ab4; 11.cd5 ed5 12.Bd3 Na5 13.Ne5 Rc8 14.Rc2 Nc4 15.Nd7 Nb2 16.Nf6) 11...Bb8 12.cd5 ed5 13.Bd3 a6 14.Nc3 b5 15.0-0 Re8 16.h3; B) 10.cd5 ed5 (10...Nd5 11.Nb5 Bb8 12.Bd3 0-0 13.0-0 Qe7 14.Rc1 f5 15.g3 Rc8 16.Re1) 11.Bd3 (11.Rc1 0-0 12.Bd3 Na5 13.Ne5 Rc8 14.Nb5 Bb5 15.Bb5 Qe7 16.0-0; 11.Nb5 Be7 12.Bd3 0-0 13.0-0 a6 14.Nc3 Qb8 15.Rc1 b5 16.e4; 11.Ba6 0-0 12.Rc1 Qe7 13.Nb5 Rad8 14.Nd6 Qd6 15.Ne5 Ne4 16.f3; 11.Bb5 0-0 12.0-0 Qe7 13.Rc1 Rac8 14.Ba6 Rcd8 15.Qd3 Qe6 16.h3) 11...0-0 12.Nb5 Be7 13.0-0 Rc8 14.Ne5 Ne4 15.Nd7 Qd7 16.f3; C) 10.Bd3 C1) 10...0-0 11.cd5 (11.0-0 Qe7 12.Nb5 dc4 13.Bc4 Rac8 14.Rc1 Bb8 15.Nc3 e5 16.Ba6; 11.Rc1 dc4 12.Bc4 a6 13.0-0 b5 14.Bd3 Rc8 15.Ng5 b4 16.ab4; 11.Nb5 Be7 12.cd5 ed5 13.0-0 Rc8 14.Ne5 Ne4 15.f3 Ne5 16.de5) 11...ed5 12.Nb5 Bg4 13.h3 Bh5 14.Rc1 a6 15.Nd6 Qd6 16.Qb3; C2) 10...Qe7 11.Nb5 (11.0-0 0-0 12.Nb5 dc4 13.Bc4 Bb8 14.a4 Nb4 15.Ne5 a6 16.Nc3; 11.Nd2 Na5 12.Qf3 Bc6 13.cd5 Nd5 14.Nd5 ed5 15.Qh5 h6 16.0-0; 11.cd5 ed5 12.Qb3 Na5 13.Qa2 Bc6 14.Ne5 Be5 15.de5 Qe5 16.Nb5) 11...0-0 12.0-0 dc4 13.Bc4 Rac8 14.Nd6 Qd6 15.Qd3 Na5 16.Ba6; C3) 10...Rc8 11.0-0 (11.Nb5 Be7 12.cd5 ed5 13.0-0 0-0 14.Ne5 Ne4 15.Nd7 Qd7 16.f3; 11.Rc1 0-0 12.Nb5 Be7 13.cd5 ed5 14.0-0 Ne4 15.Nd2 Bf5 16.Be4; 11.cd5 ed5 12.Nb5 Qe7 13.0-0 0-0 14.Nd6 Qd6 15.Ne5 Rfe8 16.Rc1; 11.h3 0-0 12.Nb5 Be7 13.cd5 ed5 14.Rc1 a6 15.Nc3 b5 16.Ne5) 11...0-0 12.Nb5 Be7 13.cd5 ed5 14.Ne5 Ne4 15.Nd7 Qd7 16.f3; C4) 10...h6 11.cd5 (11.0-0 0-0 12.Nb5 Be7 13.cd5 ed5 14.Rc1 a6 15.Nc3 Qc7 16.Ne5; 11.Nb5 Be7 12.cd5 ed5 13.Rc1 0-0 14.0-0 Rc8 15.Qa4 Ne4 16.Na7; 11.Rc1 0-0 12.0-0 Qe7 13.Nb5 Rac8 14.Ne5 Ne4 15.Nd6 Qd6 16.f3) 11...ed5 12.Nb5 Qe7 13.Nd6 Qd6 14.Ne5 0-0 15.0-0 Rfe8 16.Rc1; C5) 10...dc4 11.Bc4 0-0 12.0-0 a6 13.Rc1 b5 14.Bd3 Rc8 15.Ng5 b4 16.ab4.

9.Nc3 h6 A) 10.Rc1 Bb7 (10...0-0 11.cd5 ed5 12.Nb5 a6 13.Nd6 Qd6 14.Ne5 Bb7 15.Bd3 Rac8 16.0-0; 10...a6 11.cd5 ed5 12.Nd5 Nd5 13.Rc6 0-0 14.Bd3 Qe7 15.Ne5 Bd7 16.Nd7) 11.cd5 ed5 12.Bd3 a6 13.Na4 0-0 14.Ne5 Rc8 15.Bf5 Rc7 16.0-0; B) 10.Nb5 B1) 10...0-0 11.cd5 Nd5 12.e4 Nc7 13.Rc1 Bb7 14.Nd6 Qd6 15.Bd3 f5 16.Qe2; B2) 10...Ne4 11.Bd3 (11.Qc2 Bb7 12.Bd3 Rc8 13.cd5 ed5 14.Be4 de4 15.Qe4 Kf8 16.Rc1; 11.cd5 ed5 12.Rc1 Bb7 13.Bd3 0-0 14.0-0 Rc8 15.Ne5 Re8 16.f3; 11.Ne5 Be5 12.de5 0-0 13.cd5 ed5 14.Rc1 Bb7 15.Bd3 Qg5 16.0-0) 11...Bb7 12.Qc2 f5 13.cd5 ed5 14.Ne5 Rc8 15.Ng6 Nb4 16.Nd6; B3) 10...dc4 11.Bc4 (11.Rc1 0-0 12.Bc4 Bb7 13.0-0 Be7 14.Bd3 Rc8 15.h3 Qd5 16.Nc3; 11.Nd6 Qd6 12.Bc4 Bb7 13.0-0 0-0 14.Bd3 Qd5 15.Qe2 Ne4 16.Nh4; 11.Ne5 Bb7 12.Bc4 0-0 13.0-0 Rc8 14.f4 Be7 15.Qe2 a6 16.Nc3) 11...0-0 12.0-0 Bb7 13.Rc1 Be7 14.Bd3 Rc8 15.h3 Qd5 16.Nc3; B4) 10...Bb7 11.cd5 (11.Nd6 Qd6 12.Rc1 0-0 13.cd5 Qd5 14.Bd3 Rac8 15.0-0 Ne4 16.Qe2) 11...ed5 12.Bd3 0-0 13.Rc1 Ne4 14.0-0 Rc8 15.Ne5 Ne5 16.Rc8; C) 10.Bd3 C1) 10...a6 11.0-0 (11.e4 dc4 12.Bc4 b5 13.Bb3 e5 14.Ne5 Ne5 15.de5 Be5 16.Qd8; 11.cd5 ed5 12.Qb3 0-0 13.Rc1 Na5 14.Qc2 b5 15.0-0 Nc4 16.e4; 11.Rc1 Bb7 12.0-0 dc4 13.Bc4 0-0 14.Bd3 Rc8 15.h3 Qe7 16.Na4; 11.h3 dc4 12.Bc4 0-0 13.0-0 Bb7 14.Bd3 Rc8 15.Rc1 Qe7 16.Na4) 11...0-0 12.e4 dc4 13.Bc4 b5 14.Ba2 e5 15.d5 Na5 16.Qd3; C2) 10...0-0 11.cd5 (11.Rc1 dc4 12.Bc4 Bb7 13.Nb5 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3; 11.Nb5 dc4 12.Bc4 Bb7 13.0-0 Rc8 14.Bd3 Be7 15.Rc1 a6 16.Nc3; 11.0-0 Ba6 12.Nb5 dc4 13.Bc4 Na5 14.Bd3 Bb5 15.Bb5 a6 16.Bd3; 11.e4 dc4 12.Bc4 e5 13.d5 Na5 14.Bb5 a6 15.Bd3 b5 16.0-0) 11...ed5 12.Rc1 Be6 13.0-0 Na5 14.Qe2 Nb3 15.Rc2 Rc8 16.Nb5; C3) 10...dc4 11.Bc4 0-0 12.0-0 Bb7 13.e4 Na5 14.Bd3 Be7 15.Rc1 Rc8 16.Qa4; D) 10.h3 D1) 10...Bb7 11.cd5 (11.Rc1 0-0 12.cd5 ed5 13.Bd3 a6 14.0-0 Rc8 15.Bf5 Rc7 16.Qb3; 11.Bd3 dc4 12.Bc4 0-0 13.Nb5 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3; 11.Be2 0-0 12.0-0 dc4 13.Bc4 Na5 14.Bb5 Rc8 15.Ne5 Nd5 16.Rc1) 11...ed5 12.Bd3 0-0 13.0-0 a6 14.Rc1 Rc8 15.Re1 Na5 16.Bf5; D2) 10...Bd7 11.Rc1 (11.Bd3 0-0 12.Rc1 dc4 13.Bc4 a6 14.0-0 b5 15.Bd3 Rc8 16.Ne4; 11.cd5 ed5 12.Nb5 Qe7 13.Nd6 Qd6 14.Bd3 0-0 15.0-0 Ne4 16.Ne5; 11.Nb5 Be7 12.Bd3 0-0 13.0-0 dc4 14.Bc4 a6 15.Nc3 b5 16.Bd3) 11...0-0 12.Bd3 dc4 13.Bc4 a6 14.0-0 b5 15.Bd3 Rc8 16.Ne4; D3) 10...dc4 11.e4 e5 12.Bc4 0-0 13.d5 Na5 14.Bd3 Bd7 15.0-0 Rc8 16.Nd2; D4) 10...Rb8 11.cd5 (11.Bd3 dc4 12.Bc4 0-0 13.0-0 a6 14.Rc1 Bb7 15.Bd3 Rc8 16.Ne4; 11.Rc1 Bb7 12.cd5 ed5 13.Bd3 0-0 14.0-0 a6 15.Nh4 Ne7 16.a4; 11.Nb5 0-0 12.Bd3 Ne4 13.0-0 Bb7 14.Rc1 Rc8 15.Qe2 f6 16.Nd2; 11.Be2 0-0 12.0-0 Bb7 13.Rc1 a6 14.Bd3 dc4 15.Bc4 Rc8 16.Bd3) 11...ed5 12.Bd3 0-0 13.0-0 Be6 14.Rc1 Na5 15.Nb5 Nc4 16.Qe2; D5) 10...a6 11.Rc1 (11.cd5 ed5 12.Bd3 0-0 13.0-0 Bb7 14.Re1 Re8 15.Rc1 b5 16.e4; 11.Bd3 dc4 12.Bc4 0-0 13.Rc1 Bb7 14.0-0 Rc8 15.Bd3 Qe7 16.Na4; 11.Be2 0-0 12.0-0 dc4 13.Bc4 Bb7 14.Rc1 Rc8 15.Bd3 Qe7 16.Na4) 11...0-0 12.cd5 ed5 13.Bd3 Bb7 14.0-0 Rc8 15.Re1 Na5 16.Bf5; D6) 10...0-0 11.Bd3 (11.Rc1 Bd7 12.Bd3 Rc8 13.Nb5 Be7 14.0-0 dc4 15.Bc4 a6 16.Nc3; 11.Nb5 Be7 12.cd5 Nd5 13.Bd3 Bb7 14.0-0 Rc8 15.Rc1 Qd7 16.Qd2; 11.cd5 ed5 12.Bd3 Qe7 13.0-0 Bd7 14.Nb5 Rac8 15.Nd6 Qd6 16.Ne5; 11.Be2 Bb7 12.0-0 Rc8 13.cd5 ed5 14.Nb5 Be7 15.Rc1 a6 16.Nc3) 11...dc4 12.Bc4 Bb7 13.Nb5 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3; E) 10.cd5 ed5 11.Bd3 (11.Rc1 Bb7 12.Bd3 0-0 13.0-0 a6 14.g3 b5 15.e4 de4 16.Ne4; 11.Bb5 Bd7 12.Qa4 Qc8 13.Nd5 Nd5 14.Rc1 0-0 15.Bc6 Bc6 16.Qc6; 11.Nb5 0-0 12.Rc1 Bb7 13.Bd3 Ne4 14.0-0 Rc8 15.Nd2 Bb8 16.Ne4) 11...0-0 12.Rc1 Bd7 13.Nb5 Qe7 14.Nd6 Qd6 15.0-0 Ne4 16.Ne5.

9.cd5 ed5 10.Nc3 0-0 11.Be2 Bb7 12.0-0 Rc8 13.Qb3 Exerts pressure on the isolated pawn 13...Na5 14.Qa2 Nc4 15.Bc4 (15.Rfc1 Qd7=) 15...Rc4 (15...dc4!? 16.Rfd1 Nd5–/+) 16.Rac1 Qc7 (16...a6!?+=) 17.Nb5+= Qc6 18.Rc4 (18.Na7? Qa4–+) 18...dc4 19.Nd6 Qd6 20.Qc4 Rc8 21.Qa4 Qc7 22.Qd1 (22.Ne5 a6+=) 22...Qc2 23.Qc1?? (23.Bc1 Ne4=) 23...Ne4?? (better is 23...Bf3 24.Qc2 Rc2–+) 24.Qc2 Rc2 25.Rb1 (better is 25.Ba1!?+=) 25...Rf2–/+ 26.Bc1 Ba6 27.Bb2 g6 (27...h6 28.d5–/+) 28.Ba1 (better is 28.Ng5! Rb2 29.Rb2 Ng5 30.Rc2–/+) 28...Ra2–+ 29.d5 Ra3 30.Bd4 Ra5 (better is 30...Bb7!?–+) 31.Ne5 Rd5 32.Nc6 Rd7 33.Ra1 (better is 33.Nb8!? Bd3 34.Rc1–/+) 33...Rc7 34.Nb4 Bc4 35.Rc1 b5 (35...Kf8 36.Nd3–+) 36.Ra1 Be6 37.Ba7 Rc4 38.Bd4 f5 39.Ra8 Kf7 40.Ra7 Ke8 41.Nd3 f4 (41...Rc2 42.h4–/+) 42.Ra1 (42.Rh7!? fe3 43.Be3–/+) 42...fe3–+ 43.Be3 Rc3 44.Rd1?? (better is 44.Nf4 Re3 45.Ne6–+) 44...Bb3 45.Re1 Rd3 46.Bg5 Rd1 47.Rd1 Bd1 (47...Bd1 48.Bc1 Be2–+) 0–1. Jambrich,Jaromir (1680) – Malac,Miroslav Jr, Bratislava Doprastav op, 2006. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Bd6)

9.cd5 ed5 10.Ne5 Be5 11.de5+/– Nd7 12.Bb5 Bb7 13.Qd5 Rc8 14.e6 fe6 15.Qe6. marekt – ashkan, internet, 2005.

10.Rc1 A) 10...h6 11.cd5 (11.Nb5 Bb7 12.Bd3 dc4 13.Bc4 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3; 11.h3 Qe7 12.Nb5 Bb7 13.Nd6 Qd6 14.cd5 ed5 15.Bd3 Ne4 16.0-0; 11.Bd3 dc4 12.Bc4 Bb7 13.Bd3 Rc8 14.Nb5 Be7 15.0-0 a6 16.Nc3; 11.Be2 Bb7 12.0-0 Rc8 13.cd5 ed5 14.Nb5 Be7 15.Ne5 a6 16.Nc3) 11...ed5 12.Nd5 Nd5 13.Rc6 Bf5 14.Ne5 Rc8 15.Bb5 Be4 16.Rc8; B) 10...Bd7 11.Bd3 (11.cd5 ed5 12.Bd3 Qe7 13.Nb5 Rfc8 14.0-0 Ne4 15.Nd2 Bb8 16.g3; 11.Nb5 Be7 12.cd5 ed5 13.Bd3 a6 14.Nc3 Bd6 15.Qb3 Na5 16.Qa2; 11.Be2 Qe7 12.Nb5 Rac8 13.Ne5 Na5 14.Na7 Rc7 15.Nd7 Rd7 16.Nb5) 11...Qe7 12.Nb5 Ne4 13.0-0 f5 14.cd5 ed5 15.Nd6 Qd6 16.Ne5; C) 10...Qe7 11.Nb5 (11.cd5 ed5 12.Nb5 Bd7 13.Bd3 Rac8 14.0-0 Ne4 15.Qb3 Be6 16.Bc3) 11...Bb7 12.Bd3 Ne4 13.0-0 Rad8 14.Nd2 f5 15.f3 Qg5 16.f4; D) 10...Re8 11.Bd3 (11.Nb5 Bb7 12.Bd3 dc4 13.Rc4 Bf8 14.Rc2 a6 15.Nc3 e5 16.d5; 11.h3 Na5 12.Ne5 dc4 13.Nc4 Nc4 14.Bc4 Bb7 15.0-0 a6 16.a4; 11.Be2 h6 12.0-0 Bb7 13.Nb5 Rc8 14.Ne5 Bb8 15.cd5 Nd5 16.Qa4) 11...Na5 12.cd5 ed5 13.Ne5 Be6 14.Nb5 Nc4 15.Nc4 dc4 16.Bc4; E) 10...h5 11.Nb5 (11.cd5 ed5 12.Nb5 a6 13.Nd6 Qd6 14.Ne5 Bd7 15.Be2 Rfe8 16.Bh5) 11...a6 12.Nd6 Qd6 13.Bd3 dc4 14.Rc4 Bb7 15.0-0 Ne7 16.Ne5; F) 10...Bb7 11.cd5 (11.Nb5 Rc8 12.Bd3 Na5 13.cd5 Rc1 14.Qc1 ed5 15.0-0 Ne4 16.Qc2) 11...ed5 12.Bd3 Qe7 13.Nb5 Ne4 14.Nd6 Qd6 15.0-0 Rac8 16.Ne5.

10.Qc2 A) 10...Bb7 11.cd5 (11.Rc1 dc4 12.Bc4 Na5 13.Bd3 Rc8 14.0-0 Nc4 15.Bc4 Rc4 16.Qe2) 11...ed5 12.Bd3 Na5 13.Ne5 Rc8 14.0-0 Nc4 15.Bc4 dc4 16.f4; B) 10...Qe7 11.Be2 (11.Nb5 Bb7 12.Ng5 h6 13.Nd6 Qd6 14.Nf3 dc4 15.Qc4 Rfc8 16.Qa4; 11.Bd3 Ba6 12.cd5 Bd3 13.Qd3 ed5 14.Qb5 Qd7 15.Rc1 a6 16.Qd3; 11.h3 Bb7 12.cd5 ed5 13.Bd3 Rac8 14.0-0 Na5 15.Rfc1 Rc7 16.Qa4; 11.cd5 ed5 12.Bd3 Bd7 13.0-0 Rac8 14.Ba6 Rc7 15.Rac1 Na5 16.Qd3; 11.g3 Na5 12.cd5 ed5 13.Bd3 Bb7 14.0-0 Rac8 15.Ne5 g6 16.f3) 11...Bb7 12.0-0 dc4 13.Bc4 Na5 14.Bd3 Bf3 15.gf3 Rac8 16.Qa4; C) 10...Ne7 11.Nb5 Bb7 12.c5 Bb8 13.Bd3 a6 14.Nc3 bc5 15.dc5 Qa5 16.Qb3; D) 10...Bd7 11.cd5 (11.h3 Rc8 12.cd5 ed5 13.Ba6 Rc7 14.0-0 Na5 15.Ne5 Re8 16.Nd7) 11...ed5 12.Ba6 g6 13.Nb5 Qb8 14.0-0 Ne4 15.Nd6 Qd6 16.Ne5.

10.Bd3 a5 11.e4 de4 12.Ne4 Bb7 13.Nd6 Qd6 14.0-0 Rfd8 15.Qd2 h6 16.Rad1 Ne7 17.Qe2 Qf4 (17...Ng4 18.Ne5 Ne5 19.de5+=) 18.d5!+/– ed5? (better is 18...b5 19.Be5 Qg4+/–) 19.Qe7+– Rd7 20.Qe5 Qg4 (20...Qe5 21.Ne5 Rd6+–) 21.Bf5 Qh5 22.Bd7 dc4 23.Qg3 (23.Qg3 Qg6 24.Qg6 fg6 25.Ne5+–) 1–0. usingprogram (2035) – pipo58, kurnik, 2013.

10.Bd3 Bb7 11.cd5 ed5 12.Rc1 Rc8 13.0-0 Qd7 14.Nb5 Be7 15.Ne5 Qe6 16.Qb3.

10.Bd3 dc4 11.Bc4 a6 12.0-0=.

10.Bd3 dc4 11.Bc4 Bb7 12.0-0 Rc8 13.Bd3 Na5 (13...a6 14.Qe2=) 14.e4 Be7 15.Qe2 Nb3 16.Rad1 Qc7 (16...Nd4? 17.Nd4 Qd4 18.e5+–) 17.Rfe1 Rfd8 (17...Rfe8!?+=) 18.Nb5+– Qb8 19.d5 ed5 20.ed5 Nd5 21.Bc4 Nf4?? (better 21...Rc4 22.Qc4 Na5+–) 22.Bf7+– Kf7 23.Qe7 Kg8 (23...Kg6 24.Qg5 Kf7 25.Qg7) 24.Qg7 1–0. Pereira – Grandie, internet, 2019.

10.Bd3 dc4 11.Bc4 Bb7 12.Bd3 Rc8 13.Nb5 Be7 14.0-0 Qd5 15.Nc3 Qa5 16.Nb5.

10.Bd3 Qd7 11.cd5 (11.Nb5 dc4 12.Bc4 Bb7 13.Nd6 Qd6 14.Bd3 Ne7 15.0-0 Rfc8 16.Qe2; 11.0-0 dc4 12.Bc4 Bb7 13.Rc1 Rac8 14.Qd3 Na5 15.Bb5 Qe7 16.e4; 11.Rc1 dc4 12.Bc4 Bb7 13.0-0 Rac8 14.h3 Nb4 15.Be2 Nbd5 16.Ne5; 11.Qa4 Bb7 12.0-0 dc4 13.Bc4 a6 14.Bd3 Rfd8 15.Rac1 b5 16.Qc2) 11...ed5 12.0-0 Bb7 13.Nb5 Rfc8 14.Nd6 Qd6 15.Ne5 Qe7 16.f3.

10.Bd3 Qe7 11.cd5 (11.0-0 dc4 12.Bc4 Bb7 13.Nb5 Bb8 14.h3 a6 15.Nc3 Bd6 16.e4; 11.Nb5 dc4 12.Bc4 Bb8 13.0-0 Bb7 14.Rc1 a6 15.Nc3 Bd6 16.Bd3; 11.Rc1 dc4 12.Bc4 Ba3 13.Ba3 Qa3 14.0-0 Bb7 15.Qd2 Rac8 16.Nb5) 11...ed5 12.0-0 Bd7 13.Qb3 Qe6 14.Rac1 Rac8 15.Qc2 Qe7 16.Ba6.

10.Bd3 g6 11.cd5 (11.Nb5 Bb7 12.cd5 ed5 13.Nd6 Qd6 14.0-0 Ne4 15.Rc1 Rac8 16.Ne5; 11.0-0 dc4 12.Bc4 a6 13.e4 b5 14.Be2 Bc7 15.Rc1 Bb7 16.d5; 11.g3 dc4 12.Bc4 Bb7 13.0-0 Rc8 14.Bd3 Na5 15.Ne5 Be5 16.de5) 11...ed5 12.0-0 Be6 13.Rc1 Na5 14.Nb5 Nc4 15.Qe2 Bb8 16.h3.

10.Bd3 h6 11.0-0 (11.Nb5 dc4 12.Bc4 Bb7 13.Rc1 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3; 11.cd5 ed5 12.Rc1 Be6 13.0-0 Na5 14.Qe2 Nb3 15.Rc2 Rc8 16.Nb5; 11.Rc1 dc4 12.Bc4 Bb7 13.Nb5 Rc8 14.Bd3 Be7 15.0-0 a6 16.Nc3) 11...dc4 12.Bc4 Bb7 13.e4 Na5 14.Bd3 Be7 15.Qa4 a6 16.Ne5.

10.cd5 ed5 11.Rc1 (11.Bd3 h6 12.Rc1 Bg4 13.h3 Be6 14.0-0 Na5 15.Nb5 Nc4 16.Qe2; 11.Bb5 Bd7 12.0-0 Qe7 13.Rc1 Rac8 14.Ba6 Rb8 15.Nb5 Ne4 16.Nd2; 11.Qa4 Bd7 12.Qc2 Rc8 13.Ba6 Rc7 14.0-0 Bg4 15.Qd3 Bc8 16.Rac1) 11...Bg4 12.Bd3 Qd7 13.h3 Be6 14.0-0 h6 15.Nb5 Rac8 16.Nd6.

9.Bc4 a6 10.0-0 b5 11.Bd3 Bb7 12.Nbd2 0-0 13.e4 Be7 14.Rc1 (14.Qb1 h6+=) 14...h6 (14...b4 15.a4=) 15.Qe1 (15.Re1 Rc8=) 15...Rc8+= 16.Nb3 Na7 (16...b4 17.a4+=) 17.Qe3 Rc1 18.Rc1 Nc6 (18...Qa8 19.Nc5+=) 19.Nc5+– Bc5 20.Rc5 Ne7 (20...Re8 21.Rc2+=) 21.Ne5+– Ng6 (21...Qa8 22.f3+–) 22.Ng6 fg6 23.f3 (23.Rc2 Nh5+–) 23...g5 24.h3 (24.Bb1 Nd7 25.Rc1 g4 26.fg4 Nf6+–) 24...Qd7 25.Bc2 Rc8 (25...Ne8 26.Bb3+–) 26.Bb3 Rc5 (26...Rc6 27.Re5 Rd6 28.Bc3+–) 27.dc5 Kf7 28.Be5 (28.Qc3 h5+–) 28...a5 29.Qc3 a4 30.Bc2 (30.Ba2 h5+–) 30...Bc6 31.Bd6 (31.Bd3 Nh5+–) 31...Ne8 (31...Nh5 32.Qd3+–) 32.e5+– Nc7? (better 32...Bd5+–) 33.Qd3 Nd5 (33...Ke8 34.Qh7 Kd8 35.Qg8 Ne8+–) 34.Qg6 Kg8 35.Qh7 Kf7 36.Bg6 1–0. Pierre – VerianM, internet, 2020.

9.Bc4 a6 10.0-0 b5 11.Bd3 Bb7 12.Nbd2 Ne7 13.e4 Bc7 14.Qe2 0-0 15.h4 (15.Nb3 Ng6 16.g3 Qe7+=) 15...h5 (15...Ng6 16.g3=) 16.Rad1 Ng6 17.g3 Rc8 18.Rfe1 (18.Nb3 Bb6=) 18...Re8 19.Ng5 Bb6 20.Ndf3 Re7 21.Nf7?? (21.e5!? Ng4 22.a4=) 21...Kf7 (better 21...Rf7 22.Ng5 Qd7 23.Nf7 Qf7-/+) 22.Ng5=+ Kg8 23.e5 Qd5 24.f3 Ne5 25.Qe5 Qe5 26.Re5 Attacks the isolani on e6 26...Nh7?? (better 26...Bc7=+) 27.Bh7+- (27.Nh7?! Bf3 28.Rf1 Bg4+-) 27...Kh8 28.Bg6 Rec7 (28...Bd5 29.Rde1 (worse 29.Bh5 Bc7+-) 29...Ba5 30.R1e2+-) 29.Re6 Ba5 (29...Rc6 30.Rc6 Bc6 31.Rc1+-) 30.d5 Rc4 (30...Kg8 31.Bh7 Kf8 32.Re5+-) 31.Be4 (better 31.Re7 Bc3 32.Bc3 Rc3 33.Rb7 Rf8+-) 31...Bc3 (31...Kg8 32.Bh7 Kf8 33.d6 Bb6 34.Kf1+-) 32.Bc3 Rc3 33.d6 Be4 34.fe4 (34.d7 Rf8 35.Re8 Rc8 36.dc8Q g6 37.Qd7 Re8 38.Qh7) 34...Rg3 35.Kf2 Rgc3 36.Rd2 (better 36.d7 Rf8 37.Ke1+-) 36...Ra3 (36...Rf8 37.Kg2 Rcc8+-) 37.d7 Rf8 38.Ke2 (38.Kg2 Re3 39.Re8 Ref3 40.d8Q Kg8 41.Qd5 Kh8 42.Rf8 Rf8 43.Qf5 Rf5 44.Rd8 Rf8 45.Rf8) 38…Rh3 1-0. jhonores (2205) - Powerchessplay (2120), Rated Blitz game, lichess.org, 2020.

9.Bc4 a6 10.0-0 b5 11.Be2 0-0 12.Qd3 Bb7 13.Nbd2 Na5 14.Rac1 Rc8 15.Rc8 Qc8 16.Rc1 Qb8 17.Qc3 Nc6 18.e4 Bf4 19.g3 Bd2 20.Nd2 Rc8 21.Qd3 (21.Qe3 Ne7 22.Rc5 Rc5 23.dc5 e5=) 21...Rd8 22.Qe3 Na5 (22...Qd6 23.Nb3 Nd7 24.Rd1=) 23.Bc3 Nc6 24.Nf3 Ne7 25.Bd3 Ng6 26.Bb4 Qa8 27.Re1 Bc6 28.Ba5 Rd7 (28...Rc8 29.Rc1=) 29.Qe2 Ne7 30.Bc3 a5 (30...Ng6!?+=) 31.Ne5+/– Rc7 32.Nc6 Nc6 (32...Rc6 33.Qd2+/–) 33.Bb5 Na7 (33...Qd8 34.d5! ed5 35.ed5+–) 34.Ba5 Nb5 35.Qb5 Rb7 36.Qc6 Qa5?? (better is 36...Ne4 37.Bd8 Nf6+–) 37.Qc8 (37.Qc8 Qd8 38.Qd8 Ne8 39.Qe8#) 1–0. Janek – Nicolas, internet, 2016.

9.Bc4 a6 10.Nbd2 b5 11.Bd3 Bb7 12.0-0 Rc8 13.Qe2 0-0 14.e4 Bb8 (14...Nh5 15.g3=) 15.e5 (15.a4 Nb4 16.ab5 Nd3 17.Qd3 ab5+=) 15...Nd5= 16.Qe4 g6 17.Qg4 Nce7 18.Ne4 Nf5 19.h4 (19.Nc5 h5 20.Qg5+= (worse 20.Nb7 hg4 21.Nd8 Rfd8-/+)) 19...h5=+ 20.Qh3?? (better 20.Qg5 Qg5 21.Neg5=+) 20...Nf4-+ 21.Qh2 (21.Nf6 Qf6!! 22.ef6 Nh3 23.gh3 Bf3-+) 21...Nd3 22.Nf6 (22.Nc5 Rc5 23.dc5 Nb2-+) 22...Qf6! 23.ef6 Bh2 24.Kh2 (24.Nh2 Nb2 25.Rfb1 Nd3-+) 24…Nb2 0-1. jhonores (2170) - simonriera9 (2045), Hourly SuperBlitz Arena, lichess.org, 2020.

9.Bc4 b6 10.0-0 Bb7 11.Nbd2 0-0 12.e4 Nd7 (12...Bf4 13.Bd3=) 13.Qe2 e5 14.Rfd1 (14.d5 Ne7+=) 14...Qe7 (14...ed4 15.Nd4 Nd4 16.Bd4=) 15.Bd5 Rad8 (15...ed4 16.Bc6 Bc6 17.Nd4=) 16.de5 (16.Nc4!?+/-) 16...Nde5= 17.Rac1 Ba3? (better 17...Rfe8=) 18.Ba3+- Qa3 19.Ne5 Ne5 20.Bb7 Rd7 21.Bd5 g6 (21...Qe7 22.Nc4+-) 22.h3 (22.Nb1 Qa4 23.f4 Rd5 24.Rd5 Nc6+-) 22...Kg7 (22...Qd3 23.Qe1 Qa6 24.Nb3+-) 23.Nc4 (better 23.Nb1 Qe7 24.f4 Rfd8+-) 23...Nc4 24.Qc4 f5 (24...Rfd8 25.Qd4 f6 26.Ra1+-) 25.e5 (better 25.ef5!? Qb2 26.Be6 Re7+-) 25...Rfd8 26.e6 (26.Rc2 Qe7 27.e6 Rd6+-) 26...Rd5 27.Rd5 Qc1?? (27...Rd5 28.Qc7 Kf6 29.Qf7 Kg5+-) 28.Qc1 (28.Qc1 Rd5 29.Qc3 Kh6 30.e7 Rd1 31.Kh2 Rd3 32.Qc1 g5 33.Qc8 Rd2 34.Qf8 Kh5 35.e8Q Kh4 36.g3) 1-0. jhonores (2165) - jandrec (2030), UNI PERεs Undε½cima Ediciε=+n Arena, lichess.org, 2020.

9.Bc4 b6 10.e4 Ne4 11.Qc2+/– Nf6 12.Bb5 (12.Bb5 Bd7 13.Bc6+–) 1–0. Janek – Larry, internet, 2016.

9.Bc4 b6 10.e4 Bf4!?=.

9.Bc4 Qb6 10.Qe2 Bd7 11.Nc3 0-0 12.0-0 Na5 13.Bd3 Rac8 14.Rab1 Qc7 15.Rfc1 Qd8 16.e4 Nb3 17.e5 Nc1 18.Rc1 Ba3? (better is 18...Bc6+/–) 19.Ba3+– (19.ef6?! Bb2 20.Qb2 Qf6=) 19...Re8 (19...Nd5 20.Bf8 Nc3+–) 20.ef6 Qf6 21.Ne5 Bc6 22.Ne4 (worse is 22.Nc6 bc6 23.Ne4 Qd4+–) 22...Be4 23.Rc8 (worse is 23.Be4 Rc1 24.Bc1 Rc8+–) 23...Rc8 24.Qe4 g6 25.Qb7 Rc3 (25...Re8 26.Qa7 Kg7+–) 26.Qb8 Kg7 (26...Rc8 27.Qc8 Qd8 28.Qd8 Kg7 29.Bf8 Kg8 30.Bh6) 27.Qf8 1–0. Fels,Bernhard (2015) – Rossini,Carla, CP–2011–P–00024, 2011.

9.Bc4 Qc7 10.0-0 0-0 11.Nbd2 Bd7 12.Rc1 Qb6 13.Rb1 Qd8 14.Bd3 Rc8 15.Nc4 Be7 (15...Bb8 16.Rc1+=) 16.Bc3+/– b6 17.Bd2 (17.e4 Na5 18.Ba5 ba5+/–) 17...Rc7 18.Qb3 Bc8 19.Rfc1 Bb7 20.Qb2 Qa8 21.Rc3 Rd8 22.Rbc1 Rcc8 23.Ne1 (23.Qb5 Nd5 24.R3c2 a6+=) 23...Qb8 24.h3 Nd5 25.Rb3 f5 26.a4 Rd7 27.Rb1 Qc7 (27...Bf6 28.Nf3+/–) 28.Nf3+/– Ba8 29.Ra1 White prepares the advance a5 29...Bf6 30.a5 ba5 31.Na5 Na5 32.Ba5 Nb6 (32...Qd6 33.Ne5 Be5 34.de5+/–) 33.Bb6 (33.Ba6 Rb8+/–) 33...ab6 34.Rb6 Rd6 35.Rd6 Qd6 36.Ra6 Qd5 37.Qb6 Bc6 38.Qb4 Be8 (38...Qd7 39.Bc4 Bd5 40.Bd5 Qd5 41.Rd6+–) 39.Ra5+– Qd8 40.Ne5 Rb8 (40...Rc1 41.Kh2 Bf7 42.g3+–) 41.Qa3+– Be5 42.Re5 Bf7 43.Qc3 h5 44.Rc5 Qf6 45.Rc8 Rc8 46.Qc8 Kh7 47.Qf8 Bg6 48.Qd6 Bf7 49.Kf1 h4 50.Kg1 g5 51.Be2 Kg6 52.Bf3 Qg7 53.Qe7 Qh6 54.Qd8 Qg7 55.Be2 Qg8 56.Qe7 Qe8 57.Qc7 Qf8 58.Bf3 Qg7 ½–½. marekt (2135) – terrier (2130), gameknot.com, 2015.

9.Bc4 Bd7 10.0-0 0-0 11.Nc3 Ne7 (11...Rc8 12.Bd3=) 12.e4 Qc7 (12...Rc8 13.Bd3 Bf4 14.Qb1+=) 13.Bd3+= e5? (better 13...Bf4+=) 14.de5+– (14.Ne5?! Be5 15.de5 Qe5+=) 14...Be5 15.Nd5 (15.Ne5?! Qe5 16.Qf3 Bg4+=) 15...Bh2 16.Nh2 Nfd5 17.ed5 Nd5 (17...Qd6 18.Re1+–) 18.Nf3 (18.Bh7 Kh7 19.Qd5 Kg8+–) 18...Bc6 (18...Qa5 19.Nd4 Nf4 20.Be4+–) 19.Ng5 g6 20.Nh7 Nf4?? (20...Rfd8 21.Qg4 Qf4+–) 21.Nf6 (21.Nf6 Kg7 22.Ne8 Kg8 23.Nc7+–) 1–0. Kamilsson – Pointer, internet, 2020.

9.Bc4 Kf8 10.0-0 Qe7 11.Nbd2 Na5 12.Bd3 Nd5 13.Ne4 f6 (13...Bc7 14.Rc1+/-) 14.Nd6 Qd6 15.g3 (15.Nd2 Kg8+/-) 15...Nc6 16.e4 Nde7 17.e5 fe5 (17...Qd7 18.Qc2+/-) 18.Ne5 Ne5 19.de5 Qb6 20.Qf3 Kg8 21.Rac1 (21.Rab1 Nc6+-) 21...Qb2 (better 21...Bd7 22.Rb1 Bc6+/-) 22.Rc7+- Qa3 (22...Bd7 23.Rd7 Re8+-) 23.Bh7! Rh7 (23...Kh7 24.Qa3 Discovered attack; 23...Rh7 24.Qa3 Discovered attack) 24.Qa3 Nc6 (24...Nd5 25.Rd1 g5 26.Rh7 Kh7 27.Qf8+-) 25.Rc1 (better 25.Qd3 Rh6+-) 25...a5 (25...g5 26.Rh7 Kh7 27.Qf8+-) 26.Qd6 (better 26.R1c6 Bd7 27.Qd6 g6+-) 26...Rh5 27.Rc8! Rc8 28.Qe6 Kh7 29.Qc8 Re5 30.Qb7 Nb4 (30...Nd4 31.Qb1 Kg8+-) 31.Rc7 Rg5 32.h4 Rg6 33.Qe4 Kh6 (33...Na6 34.Rc6 Nc7 35.Qg6 Kg8 36.Rc7 a4 37.Qg7) 34.Rc8 Na6 (34...Rg3 35.fg3 g6 36.Rg8 a4 37.Qg6) 35.Rh8 1-0. jhonores (2140) - andyKun17 (2090), Rated Blitz game, lichess.org, 2020.

10.0-0 Na5 11.Bd3 b6 12.Nc3 Bb7 13.Nb5 (13.Ne5 a6+=) 13...Be7= 14.Rc1 a6 15.Nc3 b5 16.Ne5 Rc8 17.Qe2 Nb3 (17...Nd7 18.Be4=+) 18.Rcd1 Nd7 (18...Bd6!?=) 19.Qc2+= Na5 20.Bh7 Kh8 21.Bd3 Ne5 22.de5 Qc7 23.Qe2 g6 (23...Qe5?? 24.f4 Qe3 25.Qe3+–) 24.Ne4 Kg7? (better 24...Be4 25.Be4 Nc4+=) 25.Nd6+– Qc6 (25...Bc6 26.Rc1+–) 26.Be4 Qc7 (26...Qb6 27.Bb7 (27.Nc8?! Rc8 28.Bb7 Qb7+–) 27...Nb7 28.Nc8 Rc8 29.Rd7+–) 27.Bb7 (27.Nc8?! Rc8 28.Rc1 Nc4+–) 27...Nb7 28.Rc1 Bd6 (28...Qd7 29.Rc8 Rc8+–) 29.ed6 (29.ed6 Qc3 30.d7+–) 1–0. Pierre – Ares, internet, 2019.

10.0-0 Qb6 11.Nc3 Na5 12.Na4 Qc6 13.Bd3 Bd7 14.Nc5 b6 (14...Bc5!? 15.dc5 Qc5 16.Bh7 Kh7 17.Bf6 gf6 18.Qd7 Rac8+=) 15.Nd7+/– Qd7 16.Ne5 (16.e4 Nh5+/–) 16...Qe7 17.Ng4 (17.e4 Be5 18.de5 Nd7+=) 17...Ng4 18.Qg4 f5 (18...Rac8 19.Qh5 f5 20.Qe2+=) 19.Qf3 (19.Qe2 Rf7+=) 19...Nb3 (19...Rac8 20.Qe2+=) 20.Rad1+= Rac8 (worse is 20...Ba3 21.Ba3 Qa3 22.Bc4+/–) 21.e4 Na5 (21...Ba3 22.Ba3 Qa3 23.ef5+/–) 22.a4 (better is 22.ef5!? Qh4 23.g3+–) 22...Nc4+= 23.Ba1 Qg5 (23...Qf7!?+=) 24.e5+/– Bb4 25.Qe2 Na5 (25...b5 26.ab5 Nb6 27.Qa2+/–) 26.Qa2+– Qe7 27.d5 ed5 28.Qd5 Kh8 29.Bb5 Rcd8 (29...Rfd8!? 30.Bd7 Rc5+–) 30.Bd7+– White prepares the advance e6 30...Bc5 (30...Qc5 31.e6+–) 31.e6 f4 32.Rd3 Rb8 (32...h6 33.Rc1+–) 33.Be5 (33.Rh3 Rf6+–) 33...Ra8 (33...Rb7 34.Rf3+–) 34.Bf4! Rf4 (34...Qh4 35.g3 Qd8 36.Bd2+–) 35.Qa8 Rf8 36.Qd5 h6 (36...g6 37.g3+–) 37.Rf3 Rf3 38.gf3 (38.Qf3 Kg8+–) 38...Qh4 (38...g6 39.Bb5 Kg7 40.Re1+–) 39.Bb5 Qf4 (39...g6 40.Qa8 Kg7 41.Qa7 Qe7 42.Qd7+–) 40.Bd3 (better is 40.Qa8!? Bf8 41.Re1 Qg5 42.Kf1 Qe7 43.Qf8 Qf8+–) 40...Bd6 (40...g6 41.Qa8 Kg7 42.Qa7 Kf8 43.Re1 Qg5 44.Kh1+–) 41.Qa8 (41.Qa8 Bb8 42.Rd1 Qh2 43.Kf1 Qh3 44.Ke2 Qe6 45.Qe4+–) 1–0. Pandurevic,Miro (2310) – Aleksic,Robert (2220), Open Osijek, 2010.

10.0-0 Nc6 11.Re1 h6 (11...a6 12.e4 Bf4 13.Qc2=) 12.Nbd2 (12.e4 Bf4+=) 12...Bd7 13.Rc1 (13.Bd3 Rc8+=) 13...Ne7 (13...Qe7 14.Rc3=) 14.e4 Bb8 (14...Bf4 15.g3 Bc7 16.Qb3+=) 15.e5 (15.Qb3!?+/-) 15...Nfd5= 16.Qb3 b6 (16...Bc6 17.Bd3=) 17.Nb1 (17.Bd3 Bc6+=) 17...a5 (17...Bc6 18.Nc3=) 18.Nc3 a4 19.Qa2 (worse 19.Bd5 ab3 20.Ba8 Bc6 21.Bc6 Nc6=+) 1-0. OnlyPolishOpening (1735) - enzino63, lichess.org, 2020.

10.0-0 Qc7 11.Bb5 Qb6 (11...Rd8 12.Nbd2=) 12.Qe2 Bd7 (12...Rd8 13.Nc3=) 13.Bd3 (13.Nc3 Rfc8=) 13...Qc7 (13...Rac8 14.Nc3=) 14.Nc3 a6 15.Ne4 Ne4 16.Be4 h6 (16...f5 17.Bd3=) 17.Rfc1 Qb8 (17...f5 18.Bd3+=) 18.Rab1 (18.Bc2 b5+=) 18...f5 19.Bc2 b5 20.e4 e5 (20...Qe8 21.e5 Be7 22.Bb3+=) 21.ef5 (21.Bb3!? Kh7 22.Bd5 Nd4 23.Nd4 ed4 24.Ba8 Qa8 25.e5+/–) 21...Nd4+= 22.Bd4 (22.Nd4 ed4 23.Qe4 Rf5 24.Qd4 Rf6+/–) 22...ed4 23.Be4 (23.Rd1 Ra7=) 23...Ra7 (23...Bf5 24.Ba8 Qa8 25.Nd4 Bb1 26.Qe6 Kh7 27.Qd6= (worse is 27.Rb1 Ba3 28.Qe5 Qa7–/+)) 24.Qa2 (24.Qd3 Rc7+=) 24...Kh8= 25.Nh4 (25.a4 Bf5 26.Bf5 Rf5 27.Nd4 Bh2 28.Kf1 Rg5=) 25...Bh2 (25...Re8 26.Qd5 Bh2 27.Kh1 Re4 28.Qe4+/–) 26.Kh1 Rf6 27.g3= Bg3 28.fg3 Qg3 29.Qh2 Qa3?? 30.Qb8+/– Kh7 31.Ng2 Qh3 The pressure on the isolated pawn grows 32.Kg1 Bf5 33.Bf5 Qf5 34.Qa7 Qf2 35.Kh1 Rf5–+ The mate threat is Rh5 36.Qc7? Rh5 37.Qh2 Rh2 38.Kh2 d3 39.Rf1 Qc5 40.Rbd1 Qd6 41.Kg1 b4 42.Nf4 Qc5 43.Rf2 a5 44.Nd3 Qg5 45.Rg2 Qe3 46.Nf2 b3 47.Rd7 Qe1 48.Kh2 Qe5 49.Kg1 b2 50.Rb7 Qd4 51.Kh2 a4 52.Nd3 a3 53.Nb2 Qh4 (53...Qh4 54.Kg1 Qe1 55.Kh2 Qe5 (55...ab2?? 56.Rbg7 Kh8 57.Rg8 Kh7 58.R2g7) 56.Rg3 a2–+; better is 53...a2 54.Rbg7 Qg7 55.Rg7 Kg7–+) 0–1. Konarkowska Sokolov,Henrijeta – Boskovic,Malina, Belgrade (Women), 1979.

10.0-0 Qc7 11.Nc3 a6 =.

10.0-0 Qc7 11.Nbd2 a6 12.Bd3 =.

10.0-0 Qc7 11.Nbd2 Nd5 12.Qe2 Nb6 13.Bd3 Na4 14.Bc1 h6 15.Nc4 Nc3 16.Qd2 Nd5 17.Nd6 Qd6 18.e4 Nb6 19.Bb1 Rd8+= 20.e5 Qe7 21.Qd3+/– f5 22.Ba2 Nd5+= 23.Nd2 Nb6 24.Qf5+= Nd4 25.Qg4 Kh8 26.Bb1 Nf5 27.Ne4 Nc4+= 28.f4 b5 29.Ng3 Qf7 30.Nf5 ½–½. Kozlowska,Marzena (1900) – Szymanowska,Lena (1990), Polska chw G–18 Leba (3), 2004.

10.0-0 Qe7 11.Nc3 e5 12.Nb5 Bb8 13.a4 Bg4 14.Ba3+/– Nb4 15.Qb3 a5 16.Ne5 Be5 17.de5 Qe5 18.Bb2 Qg5+= 19.f3 Bh3 20.Rf2 Rae8 21.Nd6 Re3 22.f4 Qc5=+ 23.Bf7 Kh8 24.Rc1 Rb3 25.Rc5= Rb2 26.Rb2+/– Nd3 27.Ra5 Nb2 28.gh3 g6 29.Ra7 b6? 30.Bb3+– Rb8 31.Nf7 Kg7 32.Ng5 Kh6 33.Rf7 Nd3 34.Rf6 Nf4 35.Nf7 Kg7 36.Rf4 b5 37.a5 Ra8 38.Ng5 Ra5 39.Ne6 Kg8 40.Rf8# 1–0. marre – ZaphodB, GameColony.com, 2006.

10.Nbd2 a6 11.0-0 b5 12.Bd3 Bb7 13.e4 Be7 14.Rc1 Rc8 15.e5 (15.Nb3 Qb6=) 15...Nd5=+ 16.Ne4 Nf4 17.Bb1 Na5 18.Rc8 Qc8 19.Qd2 Nc4 Attacking the isolated pawn on a3 20.Qf4 Nb2 21.Nf6 gf6?? (better 21...Bf6 22.ef6 Qd8 23.fg7 Kg7+/-) 22.ef6 Bf6 23.Qh6 (23.Qh6 Qc2 24.Bc2 Nd3 25.Bd3 Be4 26.Be4 Rc8 27.Bh7 Kh8 28.Bg6 Kg8 29.Qh7 Kf8 30.Qf7; 23.Qf6?! Bf3 24.Qf3 Rd8+=) 1-0. Pereira – Denlot, internet, 2021.

10.Nbd2 a6 11.0-0 b5 12.Bd3 Bb7 13.e4 Ne7?? (better 13...Bf4=) 14.e5+– Be5 (14...Ned5 15.ed6 Nf4 16.Nb3+–) 15.Ne5 Ned5 16.g3 (16.Qf3 Rb8+–) 16...Rc8 17.Qb3 Qb6 18.Rac1 Rc1 19.Rc1 Rc8 20.Rc8 Bc8 21.Qc2 Bb7 22.Qc5 Qa5 (22...Qd8 23.Qa7 Qc8 24.Nb3+–) 23.Qa7 h6 (23...Qc7+–) 24.Qb8 (24.Qb8 Bc8 25.Qc8 Qd8 26.Qd8 Ne8 27.Qe8) 1–0. Charito – Arvos, internet, 2019.

10.Nbd2 a6 11.0-0 b5 12.Be2 Bb7 13.Rc1 Rc8 14.Qb3 Nd5 15.Qa2 Qe7 16.Ne4 Bb8 17.Nc5 Na5 (17...Bd6 18.Qb1=) 18.a4+= Nc4 (18...b4 19.Na6 Bd6 20.Qb1=) 19.Na6 (19.Bc4 bc4 20.Qc4 Bd6+/-) 19...Ba6 (19...Nb4!? 20.Nb4 Bf3 21.Bf3 Qb4=) 20.ab5+= Bb5 21.Bc4 Bc4 22.Rc4 Rc4 23.Qc4 Qb4 (23...Qb7 24.Rb1+/-) 24.Qb4 Nb4 25.Ba3 Bd6 26.Bb4 Bb4 27.Rb1 Be7 28.g4 h6 29.Rb7 Bf6 30.h4 White intends g5 30...g6 31.g5 hg5 32.hg5 Bg7 33.Rd7 Ra8 34.Nd2 Bf8 (34...Ra4 35.Kg2+-) 35.Nc4 Bg7 36.Nd6 Rf8 37.Re7 Bh8 38.Kg2 Bg7 39.f4 Bh8 40.Kf3 f6 (40...Bg7+-) 41.Re6 fg5 (41...Kh7 42.gf6 Bf6 43.Kg4+-) 42.Rg6 Kh7 43.Rg5 1-0. PEREIRA – ArturoP, internet, 2022.

10.Nbd2 b6 11.0-0 Bb7 12.Rc1 Rc8 13.e4 Be7 (13...Bf4 14.Re1=) 14.Qe2+= Na5 (14...Qd7 15.Rfd1+=) 15.Bd3 Rc1 16.Rc1 h6 17.Bc2 Qd7 (17...a6 18.Qd3 Nh5 19.Ne5+=) 18.Qd3+– g6 19.Ne5 Qe8 20.h3 (20.Qe3 Kg7+–) 20...Nc6 21.Nef3 Qd7 (21...Nb8 22.Bb3 Nbd7 23.Qe3+–) 22.Qe3+– Kg7 (better 22...Rc8+–) 23.Ba4 Qd6 (23...Rc8 24.d5! Qe8+–) 24.e5 Qd5 25.ef6 Bf6 26.Ne4 Be7 (26...Nd8 27.Nf6 Kf6+–) 27.Bb3 Qd7 28.d5 (28.d5 f6 29.dc6 Bc6 30.Nd4+–) 1–0. Janek – Type, internet, 2018.

10.Nbd2 Qc7 11.0-0 e5 12.de5 (12.d5 Na5 13.Rc1 Bf5+=) 12...Ne5+= 13.Ne5 (13.Rc1 Nf3 14.Nf3 Qe7+=) 13...Be5 14.Be5 Qe5 15.Nf3 Qc7 16.Qb3 h6 17.Rfc1 Bg4 18.Nd4 Rac8? (better 18...Rfc8+–) 19.h3+– Bh5 20.Ne6! fe6?! (20...Qe7 21.Nf8 Rf8 22.Bd3+–) 21.Be6 Qf7 (21...Bf7 22.Rc7 Rc7 23.Bf7 Rff7+–) 22.Rc8 Rc8 23.Bf7 Bf7 24.Qb7 Rc2 (24...Rd8 25.Qa7 Be6 26.a4+–) 25.Rd1 Bg6 (25...Rc3 26.Rd8 Be8 27.Kh2+–) 26.Qa7 Ne4 (26...Ra2+–) 27.Rd7 (27.Rd7 Rc6 28.Qa8 Kh7 29.Qc6+–) 1–0. Janek – tscjs, internet, 2018.

10.Nbd2 Bd7 11.0-0 Rc8 12.Qe2 Na5 13.Bd3 Ba4 14.e4 Be7 (14...Nh5 15.e5 Nf4 16.Bh7 Kh7 17.Qe4 Ng6 18.ed6 Qd6 19.d5+=) 15.e5 (15.Rfc1 Qd7+=) 15...Nd5= 16.Qe4 g6 17.Qg4 Re8 (17...Bc2 18.Bc2 Rc2 19.Bc1=+) 18.h4 (18.Rfc1 Qd7+=) 18...h5 (18...Bc2 19.Bc2 Rc2 20.Rab1=+) 19.Qg3= Kg7 (19...Bc2 20.Be2=) 20.Ne4 (20.Rfc1!?+=) 20...Bc2=+ 21.Bc2 Rc2 22.Bc1 Nc3 (22...Nb3 23.Rb1 Nc1 24.Rbc1 Rc1 25.Rc1=+) 23.Nc3= Rc3 24.Qf4 Rh8 (24...Kg8 25.Bd2 Rc4 26.Rfb1=) 25.Be3 (25.Bd2 Rc4 (25...Ra3? 26.Ra3 Ba3 27.Ng5+-) 26.Rfb1 Nc6 27.Rb7 Nd4+=) 25...Nb3 (25...Ba3? 26.Bd2 Bb4 27.Ng5+- (worse 27.Bc3 Bc3 28.Ng5 Rf8+-)) 26.Rad1 Ba3 27.Ng5 Qe7 28.d5 ed5 29.Rd5 Re8 (29...Rhc8 30.Ne4 (30.Ba7?! Rc2=) 30...R3c6 A) 31.Ba7?! Nc1 32.Qf3 b6=+ (worse 32...Qh4 33.Bd4 Re6 34.Rd7+=); B) 31.Rfd1+-) 30.Rfd1 (30.e6 Qf6 31.Qf6 Kf6 32.Ne4 Ke6 33.Nc3 Rc8+-) 30...Nc5 31.Bc5 (better 31.e6 f6 32.Bc5 Rc5 33.Rd7 fg5 34.Qe3+-) 31...Bc5?? (better 31...Rc5 32.Rd7 Rc1 33.Qc1 Qd7 34.Rd7 Bc1 35.Nf7 Kf8+=) 32.Rd7+- Qf8 1-0. jhonores (2230) - fernfalle (2200), Rated Blitz game, lichess.org, 2020.

11.a4 b6 12.Nc3 =.

11.a4 Qc7 12.Nbd2 b6 13.Rc1 Bb7 14.e4+= Bf4 15.d5+/– ed5 16.Bd5 Ng4? 17.g3 Bd6 18.Nd4 Nge5 19.Nc4 Qd7?? 20.Nb6 Qh3 21.Na8 Nd4+/– 22.Bd4 Ng4 23.Qg4 Qg4 24.Bb7 h5 25.f3 Qh3 26.Bc5 Bg3 27.Rc2 Bf4? 28.Nb6 Rd8 29.Nd5 Be5 30.Ba6 h4 31.Ne7 Kh7 32.Bb6 Rd6 33.Bc8 Re6 34.a5 g5 35.Nc6 Bh2 36.Rh2 Qg3 37.Rg2 Qf4 38.Be6 fe6 39.Rg4 Qd6 40.Nd4 Kh6 41.Rc1 h3 42.Rc6 Qa3 43.Re6 Kh7 44.Rc6 Qe3 45.Kh2 Qf2 46.Kh3 Qf1 47.Rg2 g4 48.Kg3 gf3 49.Nf3 Qd3 50.Rd2 Qb3 51.Rd7 (51...Qf7 52.Rf7 Kg8 53.Ne5 Kh8 54.Rc8) 1–0. S – ncc_1701, ChessWorld.net, 2005.

11.Nbd2 b5 12.Bd3 Na5 13.Qc2 h6 14.Rac1 Bb7 15.e4 Rc8 16.Qb1 Qe7? (better is 16...Rc1 17.Rc1 Bf4+=) 17.e5+– Ba3 18.ef6 gf6 19.Ba3 Qa3 20.Be4 Be4 21.Ne4 f5 22.Nf6 Kg7 23.Nh5 Kg6 24.Nf4 Kh7 25.Kh1 Nc4 26.Qa1 Qd6 27.Nd3+– a5 28.Nde5 a4 29.Nc4 Rc4 30.Rc4 bc4 31.Qa4 Rc8 32.Rc1 Qd4 33.Nd4 c3 34.Qb3 Kg6 35.Rc3 Rc3 36.Qc3 f6 37.Nf3 e5 38.h3 h5 39.Ng1 e4 40.Kh2 h4 41.Qe3 Kh5 42.Qf4 Kg6 43.Qh4 f4 44.Qf4 f5 0–1. Fournier,Frederic (1765) – condemor (1715), Active, 2008.

11.Nbd2 b5 12.Bd3 Bb7 13.e4 Bb8 (13...Bf4 14.Nb3=) 14.Rc1 (14.Qc2 Nd7+=) 14...h6 (14...Bf4 15.Qe2=) 15.Nb3 Nd7 (15...Bf4 16.Rc2=) 16.Qd2+= Ba7 17.Rfd1 Nb6 (17...Rc8!?+=) 18.Nc5+/- Qe7 19.d5! ed5 (better 19...Nd8!?+/-) 20.ed5+- Nd5 21.Nb7 Qb7 22.Be4 Nde7 23.Ne5 Rac8 24.Nc6 Nc6 25.Qc3 f6 (25...Bd4 26.Bc6 (26.Rd4?! Nd4 27.Bb7 Ne2 28.Kf1 Rc3 29.Rc3 Nc3 30.Bc3 Rb8+/-) 26...Rc6 27.Qd4+-) 26.Bc6 Qb6 27.Bd5 Kh8 (27...Kh7 28.Be4 Kg8+-) 28.Qc8 Qf2 29.Kh1 Rc8 30.Rc8 Kh7 31.Be4 f5 32.Rc7 Qb2 (32...Kg6 33.Rg7 Kh5+-) 33.Bf5 Kg8 34.Rd8 1-0. Pereira – Marion, internet, 2020.

11.Bd3 Bd7 12.Nc3 Rc8 13.e4 Bb8 14.e5 Nd5 15.Nd5 ed5 16.Bb1 Ne7 17.Nh4 Ng6 (17...Qb6!? 18.Bc1 f6=) 18.Ng6+= hg6 19.Qb3 Bc6 20.f4 Ba7 21.f5 Qh4 Exerts pressure on d4 22.Qe3 gf5 23.Bf5 Rcd8 24.Rf3 Qh6 25.Qf2 Bd7 26.Rh3 Qg5 27.Bh7 Kh8 28.Bc1 Qe5?? (28...Qe7 29.Rh4 Be6+/–) 29.Bf5 (29.de5? Bf2 30.Kf2 Bh3–+) 29...Kg8 30.Rh8!! (30.Rh8 Kh8 31.Qh4 Kg8 32.Qh7; 30.de5 Bf2 31.Kf2 Bf5–/+) 1–0. Kasela,S (1975) – Januseviciute,D (1855), Open, Panevezys LTU, 2008. (=1.Nf3 d5 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 Nc6 6.d4 Bd6 7.c4 dc4 8.Bc4 Nf6 9.0-0 0-0 10.Bb2)

11.Nc3 Bb7 12.e4 White prepares the advance d5 12...Bc7 13.Re1 Na5 14.Ba2 Rc8 15.Ng5 Qe7 16.d5 ed5 17.ed5 Qd6 18.Nf3 Rfd8 19.Nb5 Qd7 20.Nc7 Rc7 21.d6! Rc4?? (21...Qd6 22.Qd6 Combination) 22.Ne5+– (22.Bc4?! Nc4 23.Bf6 gf6+–) 22...Qc8 23.Nc4 (worse is 23.Bc4 Nc4 24.Rc1 b5+–) 23...Nc4 24.Bc4 (better is 24.Bf6 gf6 25.d7 Rd7 26.Qg4 Kf8 27.Bc4 Rc7 28.Qc8 Rc8+–) 24...Qc4 25.Bf6 gf6 26.Rc1 Qb5 (26...Qf4 27.d7 Kg7+–) 27.Rc7 White prepares the advance d7 27...Ba8 (27...Bc6 28.Qg4 Kh8 29.Qh4+–) 28.d7 (better is 28.Qg4 Qg5 29.Qg5 fg5+–) 28...Qg5 (28...Kg7+–) 29.f3 Kg7 30.Rc8 (better is 30.Re8!? Rd7 31.Qd7 Bd5+–) 30...f5 (30...Rd7 31.Qd7 Bf3+–) 31.Re8 (31.Re8 Rd7 32.Qd7+–) 1–0. onny555 (1850) – blitzkov (1825), gameknot.com, 2012.

11.Nbd2 Bb7 12.Bd3 Rc8 13.Rc1 Qd7 (13...Nd5 14.Nc4=) 14.Bb5 (14.Nc4 Be7=) 14...a6 15.Bc6 (15.Bd3 b5=) 15...Bc6 16.Nc4 Qc7 (16...Qd8 17.Nd6 Qd6 18.Ne5=) 17.Nce5 (17.Nfe5 b5 18.Nd6 Qd6=) 17...Qb7 18.Rc6 (18.Nc6 Rc6 19.Rc6 Qc6=) 18...Rc6 19.Nc6 Qc6 20.Qe2 Qb7 (20...b5 21.Rc1 Qe4 22.Qc2=) 21.Rc1 Rc8 (21...b5 22.Qc2=) 22.Rc8 Qc8 23.e4 Be7 24.Ne5 Qc7 (24...b5 25.f3=) 25.h3 (better is 25.a4=) 25...Nd7? (better is 25...b5=) 26.Nd7+/– Qd7 27.Qa6 Qc6 (27...Qd8 28.d5+/–) 28.Qd3+– h6 (28...Bd6 29.d5 ed5 30.ed5+–) 29.d5 Qd7 (29...Qd6+–) 30.Qd4 The mate threat is Qxg7 30...f6 31.Qb6 ed5 32.Qb3 Kf8 33.ed5 Bd6 34.a4 Qe8 35.Kf1 Qe4 36.Ba3 Ba3 37.Qa3 Kf7 38.Qb3 Qe5 39.d6 Ke8 40.Qb8 Kd7 41.Qc7 (41.Qc7 Ke6 42.Qe7 Kf5 43.Qe5 fe5 44.d7+–) 1–0. Rosner,Dirk – Schmedemann,Joerg, DESC, 2000.

11.Nbd2 Bb7 12.Qe2 Rc8 13.Rfc1 Qe7 14.Ne5 Be5 15.de5 Nd7 16.f4 (16.Nf3 Rfd8 (16...Na5 17.Ba2 Nc5=) 17.Rab1 Na5=) 16...Nc5 (16...Rfd8 17.e4= a6=) 17.Bc3 (17.Nb3 Na4= (17...Nb3 18.Bb3 Qh4=)) 17...Rfd8+= 18.Bb4 Nb4 19.ab4 Ne4 20.Ne4 Be4 21.b5 h6 22.Qe1 (22.Rd1 Rd1 23.Rd1 Qa3=) 22...Rc5 (22...Qb7 23.Qe2=) 23.Bf1 Bd3 (23...Rc1 24.Rc1 Qb7 25.Rc4=) 24.Rc5 bc5 (24...Qc5? 25.Rd1 (25.Ra7 Bf1 26.Kf1 Qb5 27.Kg1 Qc5+=) 25...Qb5 26.Qd2+–) 25.Qc3 (25.Bd3 Rd3 26.Qc1 Rb3=) 25...c4+= 26.Bd3 cd3 27.Rd1 Qd7 28.Qc4 d2 29.Qe2 Qc7 30.h3 Qc3 31.Kf2 Rd5 32.Kf3 Qb4 33.Kf2 Qb5 34.Qb5= Rb5 35.Rd2 a5 36.Rd8 Kh7 37.Rd7 a4 38.Ra7+= Rb4 39.Rf7. Deluchey,Jean_Philippe (1700) – Parmet,Daniel (1640), FICGS, 2008. (=1.c4 Nf6 2.b4 e6 3.a3 d5 4.e3 dc4 5.Bc4 c5 6.bc5 Bc5 7.d4 Bd6 8.Nf3 0-0 9.0-0 Nc6 10.Bb2)

11.Nbd2 Qe7 12.e4 e5 (12...Bf4 13.Rc1 Bb7 14.g3+=) 13.d5 (13.Re1 Bg4 14.Bd5 Nd4 15.Bd4+–) 13...Na5+= 14.Bd3 (14.Bb5 Bd7 15.Ba6 Bc8+=) 14...Bg4 (14...Nd7 15.Bc3+=) 15.h3 (15.Re1 Nh5+=) 15...Bh5 (15...Bd7 16.Be2+=) 16.g4 (16.Qe1 Nd7+=) 16...Bg6= 17.Nh4 (17.Qe2 h6=) 17...Nd7 18.Ng6 fg6 19.Nc4 (19.Qe2 Rac8=) 19...Nc4 20.Bc4 Qh4 (20...Nc5 21.Qe2=) 21.Kg2 Rf7 (better is 21...Nc5 22.f3 Rac8=) 22.f4 (22.f3!?=) 22...Rf4 (22...ef4 23.Qf3–/+) 23.Rf4 (23.Qe1!? Qe7 24.Bc1+=) 23...ef4–/+ 24.Qf3 Rc8 25.Bb3 (25.Rc1 Qe7–/+) 25...Rf8 (25...Qe7 26.Bd4–/+) 26.Rc1 Qg5 27.Rc6 Ne5–/+ 28.Be5 Qe5 29.a4 Qb2 30.Kf1 Bc5 31.d6= Kh8 32.d7 Qd4 33.Be6 Qa1 34.Ke2 Qa4 35.Rc8 Qc2 36.Kf1 Qc1 37.Ke2 Qc2 ½–½. Mardle – Harris, Hastings, 1953. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Bd6 8.c4 dc4 9.Bc4 0-0 10.0-0)

11.Qe2 Bb7 12.Nbd2 Rc8 (12...a6 13.Bd3=) 13.Rfc1 Qe7 14.Bd3 Rfd8 15.Rc2 (15.e4 Bf4=) ½–½. Woelfelschneider,Peter – Milde,Lars, TT–08.03 ETC, 2003.

9.c3 a5 10.Bd3 (10.c4 Qc7=) 10...b6 (10...e5 11.de5 Ne5 12.Ne5 Be5 13.Qc2=) 11.Qb1 (11.c4 Bb7=) 11...Ba6 12.0-0 Bd3 13.Qd3 h6 14.Rab1 Nd7 15.e4 f5 (15...de4!? 16.Ne4 Nc5=) 16.e5+/- Be7 17.Nb3 (17.c4 Ndb8+/-) 17...Bg5 (17...Rc8!?=) 18.c4+/- dc4? (better 18...Qe8!?+/-) 19.Qc4+- Rc8 20.Qe6 Kh8 (20...Rf7 21.Na1+-) 21.d5 Na7 22.Ng5 hg5 23.d6 Re8 (23...Nc6 24.Qd5 a4+-) 24.Qg6 (better 24.Qf5 Nf8 25.Rfe1+-) 24...Ne5 25.Qh5 (25.Be5 Re5 26.Nd4 Qf6 27.Qh5 Kg8 28.Rb6 Rec5+-) 25...Kg8+/- 26.Nd4 Qf6 (26...f4 27.Rfd1 Rc5 28.Nf3 Nf3 29.Qf3+- (29.gf3?! Re6+=)) 27.Nf3 (better 27.Nb5! Nb5 28.d7+-) 27...Nf3+/- 28.gf3 (better 28.Qf3!? Qd6 29.Qf5+/-) 28...Qd6= 29.Qg5 Re7 (29...Qh6 30.Qh6 gh6 31.Bd4+=) 30.Rfe1 (30.Rfd1!? Qc7 31.Rbc1+/-) 30...Rf7= 31.Rbd1 Qc7 32.Be5 (32.f4 b5+=) 32...Qb7 33.f4 Nc6 34.Ba1 (better 34.Rd3 Re8 35.Qg6+=) 34...Nd8?? (better 34...b5=) 35.Rd8 Rd8 36.Qd8 Kh7 (36...Rf8 37.Qd6 Rc8 38.Qe6 Kh8 39.Qf5 Kg8+-) 37.Qh4 (37.Re8 Qe7 38.Re7 Re7 39.Qe7 Kg6 40.Qg7 Kh5 41.Qg5) 37...Kg8+- 38.Re8 Rf8 39.Rf8 Kf8 40.Qg5 (better 40.Qh8 Ke7 41.Qg7 Kd6 42.Qb7+-) 40...Qf7 (40...Qd7 41.Bc3+-) 41.Kg2 (41.Qd8 Qe8 42.Bg7 Kf7 43.Qc7 Qe7+-) 41...b5 (41...Qd5 42.Kg3 Qd7+-) 42.Kf3 (42.Qd8!? Qe8 43.Bg7 Kf7 44.Qe8 Ke8+-) 42...b4?? (better 42...Qb3 43.Ke2 Qa2 44.Kd3 Qa1 45.Qf5 Kg8 46.Qc8 Kh7+=) 43.ab4 ab4 44.Bb2 (better 44.Qd8 Qe8 45.Bg7 Kf7 46.Qe8 Ke8 47.Ke3+-) 44…b3 (44...b3 45.Qd8 Qe8 46.Bg7 Kf7 47.Qe8 Ke8+-). alessandrocarvalhaes (1850) - neokeynesiano (1860), lichess.org, 2020.

9.c3 Qb6 10.Rb1=.

9.c4 Qa5 10.Qc2 Qc7 11.Bd3 Bd7 12.c5 Be7 13.0-0 Rfc8 14.Rab1.

9.c4 Qa5 10.c5 Be7 11.Qc2 Bd7 (11...Qc7 12.Bd3=) 12.Bd3 Rfc8 13.0-0 Qd8 (13...Qc7 14.Rfc1=) 14.h3 (14.Rab1 Qc7+=) 14...b6 (14...Rab8 15.Rab1=) 15.Rfc1 (15.e4 de4 16.Ne4 Ne4 17.Be4 f5=) 15...bc5 (15...Nb8 16.Qb3=) 16.dc5+= h6 17.Rab1 Rab8 18.Ba6 Rc7 19.Bd4 Rb1 20.Rb1 Nb8 Attacking the isolated pawn on c5 (20...Bc8 21.Bb5=) 21.Bd3+= Qf8 (21...Nc6 22.Nb3=) 22.Be5 Rc8 23.Bf4 Nc6 (23...a5 24.Rb6+=) 24.Ba6 Rd8 (24...Re8 25.Rc1+=) 25.Bb7+– Bc5 (25...Na5 26.c6 Nb7 27.cb7+–) 26.Nb3 Bb6 (26...Bd6 27.Bc6 Bc6 28.Qc6 Bf4 29.ef4 Qa3 30.Nc5+–) 27.Bc6 Rc8 (27...Bc6 28.Qc6 Qa3 29.Be5+–) 28.Ne5+– Bc6 (28...Be8 29.Rc1 Nd7+–) 29.Nc6 Kh8 30.a4 Qa3 (30...Ne4 31.a5 Bd8 32.Rc1+–) 31.a5 Ba5 (31...Qa4 32.Rc1 Bd8+–) 32.Ra1 (32.Nba5?! Qa5 33.Na5 Rc2+–) 32...Rc6 33.Qc6 (33.Ra3?! Rc2 34.Ra5 Ne4+–) 33...Qb3 34.Ra5 Qd1 35.Kh2 Qd2 (35...Ne4 36.Ra2 Nd2 37.Qc2 Nf1 38.Kg1 Ne3 39.Qd1 Nd1 40.Be5+– (worse 40.Ra7 f6+–)) 36.Ra7 Qf2 37.Qb5 (37.Qb5 e5 38.Qb8 Kh7 39.Qb1 e4 40.Rf7+–; 37.Rf7?! Ng4 38.hg4 Qh4 39.Kg1 Qe1 40.Kh2 Qh4 41.Kg1 Qe1 42.Kh2 Qh4=) 1–0. Janek – enoli, internet free game, 2017.

9.c4 Qa5 10.c5 Be7 11.Bd3 b6 12.0-0 bc5 13.Nb3 Qb6 14.dc5 Bc5 (14...Qc7!?=) 15.Bf6+/– gf6 16.Nc5 Qc5 17.Qa4 Bd7 (better is 17...Ne5!? 18.Ne5 fe5+=) 18.Qg4+– Kh8 19.Qh5 (19.Qh5 f5 20.Ng5+–) 1–0. Fournier,Frederic (2475) – Payet,Alexandre (1760), chess.com, 2011.

9.c4 a6 10.Bd3 dc4 11.Nc4 Bc7 12.0-0 b5 13.Ncd2 Bb7 14.Qe2 Ne7 15.Ne5 Ng6 16.Rfd1 Qd5 17.f3 (17.e4!? Qd6 18.Qe3=) 17...Ne5=+ 18.e4 (18.de5!? Be5 19.Be4 Ne4 20.Ne4 Bb2 21.Rd5 ed5 22.Qb2 de4 23.Kf2=) 18...Nd3 19.ed5 Nb2 20.Rdc1 (20.Rdb1 Na4 21.de6 Nc3-+) 20...Bb6 (better 20...Nd5!? 21.Ra2 Na4-+) 21.Nb3-/+ Nc4 (21...Bd5!? 22.Qb2 Bb3 23.Qb3 Bd4 24.Kf1 Ba1 25.Ra1 Nd5-/+) 22.de6=+ Bd5 23.ef7 Rf7 24.Nc5 (24.Qf2 Ne5 25.Nc5 Bc5 26.dc5 Rc8-/+) 24...Re8 25.Qf2 Ng4 (25...Bc5 26.dc5 Rc7 27.a4-/+) 26.Qg3=+ Nge3 27.Re1 h6 (27...Ba5 28.Na6 Re6 29.Nb4-+) 28.Qg6 (28.Re2!?=+) 28...Ba5-/+ 29.Re2 Bc3 30.Rc1? (better 30.Rd1! Rc8 31.Rd3-/+) 30...Bd4-+ 31.Ne4?? (better 31.Nb3 Bb6 32.Kh1-+) 31...Re6 32.Qh5 Rf5 33.Qh3 (33.Qh3 Re4 34.fe4 Nd1 35.Qe3 Nde3 36.ef5 Ng2 37.Kf1-+). jhonores (2205) - Rechlis (2265), Rated Blitz game, lichess.org, 2020.

9.c4 a6 10.Bd3 dc4 11.Nc4 Bc7 12.0-0 b5 13.Ncd2 Bb7 14.e4 Re8 15.Qe2 e5 (15...Nh5 16.g3=) 16.d5 Nd4 17.Nd4 ed4 18.Qf3 Be5 (18...Qd6 19.g3 Ba5 20.Rad1=+) 19.Qh3 (19.a4 b4+=) 19...Qa5 (19...Bf4!? 20.Nf3 Ne4-/+) 20.Nb3 Attacking the isolated pawn on d4 20...Qb6? (better 20...Qc7+=) 21.f4+- Bc8 22.Qh4 Bc7 23.e5 (23.Bd4!? Qd6 24.e5 Qd5 25.ef6 h6+-) 23...Nd5 24.Qh7 Kf8 25.Bd4 (25.Be4 Qb7+-) 25...Qh6 26.Bc5 Ne7 27.Qe4 (better 27.Qh6 gh6 28.f5 Be5 29.f6 Ba1 30.Ra1+-) 27...Bf5?? (better 27...Rb8+-) 28.Be7 Ke7 (28...Kg8 29.Qf5 Re7 30.Kh1+-) 29.Qb4 Ke6 (29...Kd8 30.Bf5 Re7 31.Rf3+-) 30.Rac1 (better 30.Bf5 Kf5 31.Nd4 Kg4+-) 30...Bb6 (30...Bd3 31.Rc6 Kd7 32.Rh6 gh6 33.Qd4 Ke7 34.Qc5 Kd7 35.Rd1+-) 31.Kh1 (better 31.Nd4 Kd7 32.Bf5 Re6 33.Rc6+-) 31...Bd3 (31...f6 32.Qd6 Kf7 33.Bf5 Rab8+-) 32.Rc6 (better 32.Qd6 Kf5 33.Qd3 Ke6 34.Rc6 Ke7 35.Rh6+-) 32...Kf5 33.Rh6 gh6 34.Rd1 Bc4 (34...Rad8 35.Nc5 Bc5 36.Qc5 Kf4 37.g3 Kf3 38.Qc1+-) 35.Nd2 (better 35.Rd6!? Be3+-) 35...Rad8 36.Re1 Rd3?? (36...a5 37.Qc3 Bd3+-) 37.Nc4 bc4 (37...Kg4 38.Nb6 f5 39.Qb2+-) 38.Qc4 Red8 (38...Kg6 39.Qd3 Kg7 40.Qg3 Kf8 41.f5+-) 39.Qe4 (39.Qf7 Kg4 40.Qg6 Kh4 41.Qh6 Kg4 42.Qg5) 39...Ke6+- 40.f5 Ke7 41.e6 f6 (41...Rd1 42.Qb4 Kf6 43.Qh4 Kf5 44.Qh5 Kf6 45.Qh6 Kf5 46.Qh5 Kf6 47.Qf3 Kg7 48.Rd1 Rd1 49.Qd1 fe6+-) 42.Qb7 Ke8 43.Qf7 1-0. jhonores (2175) - meroveo111 (2105), Rated Blitz game, lichess.org, 2020.

9.c4 a6 10.Be2 Bd7 11.0-0 Rc8 12.c5 Bb8 13.Bc3 Qc7 14.Qb1 Rfe8 15.Bd3 h6 (15...Na7 16.e4 Nb5 17.Bb2 de4 18.Ne4 Ne4 19.Be4=) 16.Rc1 e5 (16...Re7!?+=) 17.Ne5+/- Ne5 18.de5 Ng4 19.f4 (19.Nf3 Qc5 20.Bh7 Kh8+/-) 19...Ne3 (19...Qc5!? 20.Bd4 Qc1 21.Qc1 Rc1 22.Rc1 f6+/-) 20.Bd4+/- Nf5?? (better 20...Nc4 21.Bc4 dc4 22.Nc4 Qc6+-) 21.Bf5+- Bf5 22.Qf5 Re6 23.Rc3 Rce8 24.Nf3 1-0. PEREIRA – Whitak, internet, 2021.

9.c4 a6 10.Bd3 dc4 11.Nc4 Be7 12.0-0 b5 13.Ncd2 Bb7 14.Qe2 Qb6 15.e4 e5? (15...Rfd8!?=) 16.de5 (16.d5!? Nd4 17.Nd4 ed4 18.Nb3+-) 16...Nd7 17.Rac1 Rfe8 18.Nb1 (18.a4 Nc5 19.ab5 Nd3 20.Qd3 Qb5+=) 18...Bc5= Now all is on e5 19.Nc3 (19.e6 Re6 20.e5 Nd4 21.Bd4 Bd4=+) 19...Nde5 (19...Nce5!? 20.a4 Nd3 21.Qd3 Rad8 22.ab5 Nf6=+) 20.Nd5+= Qa7 21.Nc7 Nd3 22.Qd3 Rad8 (22...Red8 23.Qc3 Bf8 24.Na8 Qa8+-) 23.Qc2+- Re7 24.Nd5 (24.Qc5?! Qc5 25.Rc5 Rc7=) 24...Bd6 25.Ne7 Be7 26.Rfd1 Rc8 (26...Qb8 27.Rd5+-) 27.Qe2 (27.Qc3 Bf8+-) 27...Bf8 (27...Qb8 28.Rd7 Rc7 29.Qd3+-) 28.h3 (28.Ng5 h6 29.Nf7 Kf7 30.Qh5 Kg8+-) 28...Re8 29.Re1 Na5 30.Bd4 (30.Nd2!?+-) 30...Qa8+/- 31.Nd2 Nc6 (31...Ba3!? 32.Rc7 Re7+/-) 32.Bc5+- Bc5 33.Rc5 Nd4 34.Qg4 (34.Qe3 Qd8+-) 34...Bc8 (34...f5 35.Qg3+-) 35.Qh4 Be6 36.Rh5 h6 37.Re3 Qc8 38.Rh6 gh6 39.Qh6 f5?? (better 39...Nf5 40.ef5 Bf5 41.Qg5 Bg6+/-) 40.Rg3 Kf7 41.Rg7 (41.Qg7) 41...Kf8 42.Qh8 Bg8 43.Qg8 1-0. jhonores (2225) - abdul1998 (2175), Rated Blitz game, lichess.org, 2020.

9.c4 Qb6 10.Rb1 Qa5 11.c5 =.

9.c4 Bb8 10.Bd3 a6 11.Qc2 Ne7 12.c5 b6 13.e4 (13.0-0 b5+=) 13...de4= 14.Ne4 Ned5 15.0-0 h6 16.Rfd1 a5 (16...Bf4 17.Qe2+=) 17.Bb5 (17.Ne5 Ne4 18.Be4 Bc7+=) 17...Ba6 (17...Bf4 18.Rab1=) 18.a4 (18.Bc6 Ra7 19.Nf6 Qf6 20.cb6 Nb6+=) 18...Nb4 (18...Bf4 19.g3 Bb5 20.ab5+=) 19.Nf6 Qf6 20.Qe2 Qf5 (20...Bb5 21.ab5 (worse 21.Qb5 bc5 22.Ne5 Be5 23.de5 Qe7=+) 21...Qf5 22.cb6+=) 21.c6 (21.Ba6!? Ra6 22.Ba3+/-) 21...Rd8 22.Ne5 Bc7 23.g3 (23.Rdc1 Bb5 24.ab5 Nd5=) 23...Qf6 24.Ng4 Qe7 (24...Qg5 25.Bc1 Bb5 26.ab5=) 25.Ne3 (25.Ba3 Bb5 26.ab5 Qg5+=) 25...Qg5 26.h4 Qg6 (26...Bb5 27.ab5 (27.hg5?? Be2 28.Rd2 Bf3-+) 27...Qg6 28.Ra4=) 27.Ba6+= Na6 28.d5 Nc5 29.Ba3 Ne4 (29...Na4!? 30.d6 Nc3=+) 30.Qf3 h5 (30...Nd6 31.h5 Qg5 32.Rab1+/-) 31.Be7 Rdc8 32.d6 Bd6 33.Bd6 Rc6 34.Be5 (34.Be5 Rac8 35.Rd4+/-) 1-0. Moskalenko,V1 (2500) - Chernyak,Viktoria (2265), 21st Sant Marti Open, 2019. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 c5 5.bc5 Bc5 6.d4 Bd6 7.Nbd2 0-0 8.c4 Nc6 9.Bb2)

9.c4 Bc7 10.Be2 Rb8 11.0-0 dc4 12.Bc4 b5 13.Be2 a5 Black intends b4 14.e4 b4 15.Qc2 ba3 16.Ba3 Nb4 17.Bb4 Rb4 18.Rfb1 Qe7 (18...Bf4 19.e5 Nd5 20.Nb3+/–) 19.Rb4 ab4 20.Nb3 (20.Bd3 h6+/–) 20...Bb7+= 21.Nfd2 (21.Nc5 Rb8+=) 21...Rc8= 22.Qd3 Bb6 23.Qb5 Nd7 (23...Bd8 24.Nc5 Bc6 25.Qb4 Ne4 26.Nde4 Be4 27.Qc3=) 24.Rc1 (better is 24.Ra4!?+/–) 24...Rc1= 25.Nc1 Qd6 26.Ncb3 Bc6 27.Qd3 Bc7 28.g3 (28.e5 Qf8+=) 28...Nb6= 29.Bf3 Na4 30.Qc4 Bb7 ½–½. Voelschow,Toni Eleonore – Weiss,Katharina, GER–ch U14 Girls, 2003. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Bd6 8.Nbd2 Nc6)

9.c4 Be7 10.Bd3 a6 11.Qc2 Rb8 12.0-0 b5 (better is 12...Bd7!?=) 13.cb5+/– Na7 14.ba6 Qb6 15.Bc3 Ba6 16.Rfb1 Qc6 17.Bb4 Qc2 (17...Bd3 18.Qd3 Bd6 19.Ne5+/–) 18.Bc2+– Nc6 19.Ne5 Nb4 20.ab4 (worse is 20.Rb4 Bb4 (worse is 20...Rb4 21.ab4 Bb4 22.Ra6 Bd2 23.Ra7+=) 21.ab4 Be2+=) 20...Bb4 (20...Rb6!?+/–) 21.Nc6+– (21.Ra6?! Bd2 22.Rb8 Rb8+/–) 21...Bc3? (better is 21...Bd2 22.Nb8 Bc4+–) 22.Ra6 (better is 22.Rb8 Rb8 23.Ra6 Rf8+–) 22...Rb1 (22...Ra8 23.Ra8 Ra8+–) 23.Nb1 (23.Bb1?! Bd2 24.Kf1 g6+=) 23...Bb2 24.Rb6 (24.Rb6 Bc1 25.Bd3+–) 1–0. Kruchinin,Anatoly V (2015) – Piriev,Kamran, Vladimir op–B, 2004.

9.c4 Ne7 10.Bd3 b6 11.0-0 Bb7 12.cd5 (12.c5 bc5 13.dc5 Bc5 14.Bf6 gf6 15.Bh7 Kg7 16.Bd3 Rh8+=) 12...ed5 (12...Bd5? 13.e4+–; 12...Ned5 13.Rc1 a6 14.Nc4 Bc7 15.Nce5 Rc8 16.Qd2 b5=) 13.Qb1 (13.Rc1 Rc8 14.Rc8 Bc8 15.Qa4 a5 16.Qc2 Re8+=) 13...Ng6 (13...Rc8 14.Rc1 Re8 15.Bc3 a6 16.Bb4 Ne4+=) 14.Bc3 a5 (14...Rc8 15.Bb4 a6 16.Bd6 Qd6+=) 15.a4 (15.Rc1 Ba6 16.Ba6 Ra6+=) 15...Ba6 16.Rc1 (16.Ba6 Ra6=) 16...Bd3 17.Qd3 Re8 18.Bb2 Ne4 19.Ba3 Bc7 20.Rc6 Ne7 21.Be7 Re7 22.Rac1 Bd6 23.Qe2 Re8 24.Ne4 de4 25.Nd2 Ba3 26.Ra1 Bb4 27.Nf1 Rb8 28.Qc4 Qg5 29.Rc7 Qf6 30.Rc1 g6 31.Ng3 Qe6? (better is 31...Bd6!? 32.Rc6 Qd8+/–) 32.d5 Qe5 33.d6! Qe6 (33...Bd6 34.Qf7 Mate attack; 33...Qd6 34.Qf7 Mate attack) 34.d7 Red8 35.Qe6 fe6 36.Rc8 Bc5 37.Rc7 (better is 37.Rb8 Rb8 38.Ne4+–) 37...Bd6 38.Ra7 Bg3 39.hg3 Kf8 40.Rc4 Ke7 41.Rd4 h5 42.Kh2 b5 43.Ra5 ba4 44.Raa4 Rb2 45.Re4 Rf2 46.g4 Rd7 47.gh5 gh5 48.Ra5 Rdd2 ½–½. Krivoshapko,Alexander – Mikhailovsky,Viktor, Omsk RUS, City Ch, 2011.

9.Bd3 b6 10.0-0 Bb7 11.c4 Rc8 12.cd5 ed5 Black gets strong play along the open c–file 13.Ne5 (13.Qb1 Re8=) 13...Ne7 (13...Re8 14.Qa4=) 14.f4 (14.Rc1 Rc1 15.Qc1 Qc8=) 14...Ne4 15.f5 (15.Rc1 Rc1 16.Qc1 f6=) 15...f6+= 16.Ne4 Be5 (better is 16...de4!? 17.Bc4 Nd5+=) 17.de5+= de4 18.ef6 ed3 19.fe7 Qe7 20.Qb3 (20.Qd3!? Be4 21.Qb3 Qf7 22.Qf7 Rf7 23.g4+=) 20...Rf7+= With the decisive threat Rc2 21.Qd3 Be4 22.Qb3? (better is 22.Qd4+=) 22...Rc2–+ The mate threat is Rxg2 23.Rf2 Rf2 24.Kf2 Qg5 25.f6 Qg2 26.Ke1 Qg1 27.Ke2 Qh2 28.Ke1 Qg1 29.Ke2 Qg2 30.Ke1 Bd5 31.Qb5 Qe4 32.Bd4 Rc7 33.f7?? Bf7 34.Qg5 Do you see the mate threat? 34...Be8 35.Rd1 Qg6 36.Qd5 Qf7 37.e4 Re7 38.Qf7 Kf7 39.e5 Ke6 40.Kd2 Ba4 41.Rc1 Rd7 42.Ke3 g5 43.Rf1 Rf7 44.Rf6 Rf6 45.ef6 h5 46.Kf3 Bb3 47.Bc3 Kf5 Black prepares g4 48.Kg3 Be6 49.Kg2 h4 50.a4 g4 51.a5 ba5 52.Ba5 g3 53.f7 Bf7 54.Kh3 Be6 55.Bd2 Ke4 56.Kg2 Bd5 57.Kh3 Kf3 58.Bb4 Be6 59.Kh4 g2 60.Bc5 a5 (60...a5 61.Kg5 a4–+) 0–1. Markus,Marcel – Herren,W, Zuerich, 1962.

9.Bd3 b6 10.0-0 Bb7 11.c4 Rc8 12.Qe2 Re8 13.Ne5 Qc7 14.f4 Na5 15.Rfc1 Nc4 16.Ndc4 dc4 17.Rc4 Qe7 18.a4 Be4 19.Be4 Ne4 20.Rac1 Rc4 21.Qc4 f5 22.Nc6 Qh4 23.Qe2 Ra8 24.Bc3 g5 25.g3 Ng3 26.hg3 Qg3 27.Kf1 gf4 28.Qg2 fe3 29.Qg3 Bg3 30.Ke2 f4 31.Rh1 Re8 32.Be1 Be1 33.Re1 Kg7 34.Rg1 (worse is 34.Na7 Ra8 35.Nc6 Ra4–/+) 34...Kh6 35.Ne5 Rc8 36.Kf3 Rf8 (36...e2 37.Ke2 Rc3 38.Rh1 Kg7 39.Rf1 Re3 40.Kd2+/–) 37.Nd3+/– Rf5 38.Ke4 Rg5 39.Rb1 f3 40.Kf3 Ra5 41.Ke3 Ra4 42.Nf4 e5 43.de5 Kg5 44.e6 Kf5 45.Kd3 Ra3 46.Kd4 Ra4 47.Kd5 Kf6 48.Re1 Ke7 49.Ke5 Rf4 50.Kf4 1–0. Degterev,Pavel (1685) – Bobone Carvalho,Diogo, CFriend SL–2005–0-00033 email, 2005.

9.Bd3 b6 10.0-0 Bb7 11.c4 Be7 12.Rc1 Rc8 13.cd5 Nd5 14.h3 Re8 15.Ne4 h6 16.Qb3 Bf8 17.Ne5 Re7 18.Nc6 Bc6 19.Ba6 Rcc7 20.Nd2 Re8 21.Rc4 Ree7 22.Rfc1 Ba8 23.e4 1–0. Fournier,Frederic (2250) – Maxi (2210), echecsemail.com, 2007.

9.Bd3 Qc7 10.c4 b6 11.cd5 ed5 12.Rc1 Qb7 13.Ne5 Ne7 14.Qf3 Ng6 15.0-0 Qe7 16.Nc6 Qe8 17.Qe2 Bd7 18.Nb4 a5 19.Na2 Qb8 20.h3 Re8 21.Qd1 Qd8 (better is 21...b5!? 22.Nb3 Nh4–/+) 22.Nc3+= Bb8 23.Nb5 Ne4 24.Nf3 Nh4 25.Nh4 Qh4 26.Be4 Re4 27.Nc7 (27.Qe2=) 27...Ra7?? (better is 27...Bh3 28.g3 Qg5–/+) 28.Nd5+= Bh3 29.gh3 (29.Nb6 Bh2 30.Kh1 Bf5 31.Re1 Bf4 32.Kg1 Qh2 33.Kf1 Qh1 34.Ke2 Re3 35.Kd2 Rb3 36.Re3 Be3 37.fe3 Qg2 38.Qe2 Rd3 39.Ke1 Qg1 40.Qf1 Qe3 41.Qe2 Qg1 42.Qf1 Re7) 29...Qh3? (better is 29...Qg5 30.Kh1 Qd5=) 30.Nf4!+– Bf4 31.ef4 (better is 31.Qh5! Qd7 32.ef4 Rf4 33.Rfe1+–) 31...Rf4= 32.Rc3 Rg4 33.Rg3 Rg3 34.fg3 Qg3 35.Kh1 Qh3 36.Kg1 Qg3 37.Kh1 Re7 38.Qf3 Qf3 39.Rf3 Re1 40.Kg2 Re2 41.Rf2 Rf2 42.Kf2 f5 43.a4 Kf7 44.d5 Ke7 45.Ke3 Kd6 46.Kd4 g5 47.Ba3 Kd7 48.Bf8 h5 49.Bh6 g4 50.Bf4 h4? (50...b5 51.ab5 g3 52.Bg3 a4+–) 51.Bg5+– g3? (better is 51...b5!? 52.ab5 a4+–) 52.Bh4 f4 (52...g2 53.Bf2+–) 53.Ke4 b5 (53...g2 54.Bf2 Kd6 55.Bb6 f3+–) 54.ab5 a4 (54...g2 55.Bf2 a4 56.Kf3+–) 55.Kf3 a3 (55...Kc8 56.Bf6 Kc7+–) 56.Bf6 (better is 56.b6 g2 57.Kg2 Kd6+–) 56...Kd6 (56...Kc7 57.Be5 Kc8+–) 57.b6 a2 58.Ba1 Kd7 59.Be5 (59.Be5 a1Q 60.Ba1+–) 1–0. Karaokcu,Erkin (2095) – Sahin,Doga Boran (2035), 23rd Troya Open, 2015. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Bd6 8.Nbd2 Nc6)

9.Bd3 Qc7 10.c4 Bd7 11.0-0 Rac8 12.c5 Be7 13.Rc1 (13.Rb1 Rb8=) 13...b6 14.cb6 (14.Nb3 Rb8=) 14...Qb6 15.Rb1 Qc7 16.Ne5 Rb8 (16...Bd6 17.f4=) 17.f4 (17.e4 Rfc8=) 17...Rb6 (17...Rb7 18.Qc2=) 18.Bc1 (18.e4 Rc8=) 18...Rb1 19.Bb1 (19.Nb1 Rc8=) 19...Na5 (19...Rc8 20.Bd3=) 20.Nd7 (20.Bd3 Rb8=) 20...Qd7 21.g4 Qc6 (21...Rc8 22.Qe2+=) 22.Qf3 (22.g5 Nd7=) 22...Rb8 23.g5 Ne4 (23...Nd7 24.e4=) 24.Be4 de4 25.Ne4 Rb1 26.Bd2 Rf1 27.Kf1 Qb5 28.Kf2 Nc6 29.Nc3+= Qc4 30.a4 Nb4 31.Kg3 Qd3 32.Qe2 Qc2 33.Be1 Qb3 34.Qb5 Bf8 35.Kf3 a6+= 36.Qb8 Qc4 37.Bh4?? Nc2?? 38.Ne2–/+ Qc6 39.e4 Qa4 40.Qb2 Nb4 41.Nc3 Qc6 42.Qb3 a5 43.Bf2 Qa6–/+ 44.Na4 Qf1 45.Nc5 Qh1 46.Ke3 Qh2–/+ 47.Qc4? Qh3 48.Kd2 Qg2 49.Qe2–/+ Bd6 50.Be3 Qe2 51.Ke2 Nc2 52.Nb7 Bc7 53.d5 ed5 54.ed5 Ne3 55.Ke3 Kf8 56.Ke4 a4–+ 57.d6? Bd6! 58.Na5 a3 59.Nb3 a2 60.f5 Ba3 61.Kf4 Bb2 62.Kg4 a1Q 63.Na1 Ba1 64.Kh5 Ke7 65.Kg4 Kd6 66.Kh5 Ke5 67.g6 fg6 68.fg6 h6 (68...h6 69.Kg4 Bd4–+; better is 68...Kf4 69.gh7 g5 70.Kh6–+) 0–1. Dergatschova_Daus,Anna – Kovalevskaya,Ekaterina, Ch Russia (w) Elista, 1998.

9.Bd3 Qc7 10.c4 Re8 11.Rc1 Qe7 12.c5 Bb8 13.0-0 Nh5 (13...Rd8 14.Ne5+=) 14.Ne5 Be5 (14...Nf6 15.f4+=) 15.de5+– g6 16.f4 Rd8 17.Qe2 Ng7 18.g4 White prepares the advance f5 (18.Nb3 Bd7+–) 18...Ne8 19.Nf3 Bd7 20.Qg2 Rac8 21.Qh3 White gets deadly initiative 21...Qf8 22.f5 ef5 23.gf5 gf5 24.Kh1 Ng7 25.Ng5 Do you see the mate threat? 25...h5 26.e6 fe6 (26...Be6 27.Bg7 Eliminates the defender g7) 27.Bg7 Annihilates a defender: g7 27...Kg7 (27...Qg7 28.Rg1 Ne5 29.Ne6 Be6 30.Bf5 Bf5 31.Rg7 Kg7 32.Qf5+–) 28.Ne6! Be6 29.Bf5 Bf5?? (29...Bf7 30.Be6 Ne5+–) 30.Rf5 (30.Rf5 Ne5 31.Re5+–) 1–0. Moskalenko,Viktor (2500) – Diaz Del Valle,Laura Beatriz (2060), XLII Open Internacional de Barbera del, 2019. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Bd6 8.Nbd2 0-0)

9.Bd3 Bd7 10.c4 =.

9.Bd3 Bd7 10.Ne5 Qc7 11.f4 Rac8 12.g4 Qa5 (12...Qb6 13.g5 Ne5 14.de5 A) 14...Qb2 15.gf6 (15.ed6 Ne8–/+) 15...Rc3 16.fg7+–; B) 14...Qe3 15.Qe2 Qe2 16.Be2+/–; C) 14...Ne8=) 13.g5+= Be5 14.fe5 Ne4 15.Be4 de4 16.0-0 Ne7 17.Ne4 Bc6 (better is 17...Nf5!? 18.Rf3 Bc6+=) 18.Nd6+/– Rcd8 19.c4 (better is 19.Qe1!? Qa4 20.Rc1+/–) 19...Rd6= 20.ed6 Qg5 21.Kf2 Nf5 22.Ke1 Ne3 23.Qd2 (23.Qc1!? Qh4 24.Rf2 Ng2 25.Kf1–/+) 23...Qh4–+ 24.Qf2 Nc2 (better is 24...Qe4 25.Qe2 Nc4 26.Qe4 Be4–+) 25.Kd2= Qf2 26.Rf2 Na1 27.Ba1 Rd8 28.c5 Bd5 29.Bc3 f5 30.h4 Kf7 31.Ke3 Kf6 32.a4 (32.Bd2 h6+=) 32...g6+= 33.Rh2 h6 34.Bd2 g5 35.hg5 hg5 36.Rh7 f4 37.Kd3 Bc6 38.Bc3 Kf5 (38...Ba4 39.Rb7 Be8 40.d5 Kf5 41.Ba5+/– (41.Ra7?! Bb5 42.Kd2 ed5+=)) 39.Rf7 Kg4 0–1. Carbonell Bofill (2275) – Crecente Penalba (2135), Valencia Autonomico–B, 2004. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Bd6 8.Nbd2 0-0)

9.Bd3 Re8 10.c4 dc4 11.Nc4+/– a6 12.Nd6 Qd6 13.0-0 b5 14.e4 Nd7 (14...Qf4 15.Re1 Qc7 16.Rc1+–) 15.e5+– (15.e5 Qe7 16.Qc2+–) 1–0. chuckhar (2290) – wreck_tangle (1875), gameknot.com, 2014.

9.Bd3 Re8 10.Ne5 Nd7 (better is 10...Qb6!? 11.Rb1 Qc7=) 11.Bh7!+/– Kh7 Theme: Deflection from f7 (better is 11...Kf8 12.Qh5 Be5 13.de5 Qc7+/–) 12.Qh5?? (better is 12.Nf7 Qe7 13.Nd6+–) 12...Kg8= 13.Qf7 Kh7 14.Qh5 Kg8 15.Qf7 Kh8 16.Qh5 Kg8 ½–½. Fiser,Jiri – Studnicka,Tomas, Plzen op–B U18, 1999.

9.Be2 Bd7 10.0-0 Rc8 11.c4 b6 12.Qc2 (12.Bd3!?=) 12...Na5+= 13.Ne5 dc4 (13...Nc4 14.Ndc4 b5 15.Bc3 dc4 16.Nd7 Qd7 17.e4–/+) 14.Nd7 (14.Bc3!?=) 14...Qd7–/+ 15.Bc3 Nb7 16.Nc4 Bb8 (16...Qc7!? 17.Qb3 Bh2 18.Kh1 Bd6–/+) 17.Qb3 Qc7 18.Rac1?? (better is 18.g3=) 18…Qh2 0–1. ghorn (2250) – amikhlin (2510), net–chess.com, 2013.

10.Rc1 Na5 =.

10.Rc1 Bb7 11.Bd3 Qe7 12.Qa4 Rfc8 13.0-0 a6 14.c5 bc5 15.dc5 Bc5 16.Bf6 gf6 17.Qh4 Kf8 (17...f5 18.Ng5 f6 19.Ne6 Ba3 20.Rb1=) 18.Qh7= Ke8 19.Rb1 (19.a4 Rab8=) 19...Rab8 20.e4 d4 (20...Ba3 21.ed5 Nb4 22.de6 fe6 23.Qh5 Kd7 24.Bc4=) 21.Nc4 (21.Qh8 Kd7 22.Qh5 Rg8=) 21...Ba8 (21...Ba3 22.Qh8 Qf8 23.Qf6=) 22.Qg7 (22.Qh8 Kd7 23.Qh4 e5=) 22...e5 23.Nfd2 a5 24.h4 (24.Rb8 Rb8 25.Rb1 Rd8=) 24...Kd7 (24...Qe6 25.h5=) 25.Rb8 Rb8 (worse is 25...Nb8 26.f4 ef4 27.Rf4+/–) 26.f4 Rf8 (26...Ke8 27.fe5 fe5 28.Rf5+/–) 27.h5+/– ef4 28.h6 Ne5 29.Ne5! Qe5 (29...fe5 30.h7) 30.h7 Qe8?? (better is 30...Qh5 31.Rf3 Ke6+–) 31.Qf6 (31.Qf6 Bd6 32.Nc4+–) 1–0. Ruhle,Ernst_Olav – Klemens,Leszek, corr TT/6/02/2, 2004.

10.Rc1 Bb7 11.Be2 Na5 12.cd5 ed5 13.0-0 Qe7 14.a4 (14.Qa4!?+=) 14...Rfc8= 15.Bc3 Nc6 16.Qb3 Rc7 17.Rc2 Rac8 18.Rfc1 Nb4 19.Bb4 Rc2 20.Rc2 Rc2 21.Qc2 Bb4 22.Ne5 Bd6 23.Qc3 g6 24.Bb5 Kg7 25.h3 Qd8 26.Qb2 Qc7 27.Bd3 Be7 28.Bb5 Bf8 29.Kh1 Bc8 30.Bf1 Bf5 31.Bd3 Bd3 32.Nd3 Bd6 33.Ne5 Qc8 34.Kg1 Qe8 35.Qb5 Be5 36.Qe8 Bh2 ½–½. pcmvr – asoka, net–chess.com, 2015.

10.Rc1 Bb7 11.Be2 Rc8 12.0-0 h6 13.Ne5 Qe7 (13...Be7 14.Nd3=) 14.Qb3 (14.Qa4 a6 15.Qb3 dc4 16.Nec4 b5 17.Nd6 Qd6+=) 14...Na5= 15.Qa2 (15.Qa4 dc4 16.Ndc4 Nc4 17.Nc4 Bc6=) 15...dc4=+ 16.Ndc4 Nc4 (16...Bd5 A) 17.Nd6?? Rc1 (17...Ba2?! 18.Nc8 Qb7 19.Nd6=+) 18.Ndc4 Rf1 19.Bf1 Rc8-+; B) 17.Qb1 Bc4 18.Nc4 Nc4 19.Bc4 Ba3 20.Ba6 Rc1 21.Rc1-/+) 17.Bc4 (worse 17.Rc4 Bd5 18.Qb1 Bc4 19.Nc4 Qc7-/+; worse 17.Nc4 Bd5 18.Qa1 Bb8=+) 17...Be5 (17...Rfd8!?=+) 18.de5= Ne4 19.Bd4 Nc5 20.Be2 (20.f3 Rfd8=) 20...Qg5 21.f3 Rfd8 (21...Bd5 22.Qc2=) 22.Bb5 (22.Qb2 Rc7=) 22...Bd5 23.Qf2 Nb3 24.Rc8 Rc8 25.h4 (25.Bb2 Bc6 26.Bc4 Ba4=) 25...Qe7 26.a4 (26.Bb2 Bc4 27.Bc4 Rc4=+) 26...Qb7 (26...Nd4 27.ed4 Qb4 28.Kh2-/+) 27.e4 (27.Qb2 a6 28.Be2 b5 29.ab5 ab5=) 27...Bc4=+ (27...Nd4?! 28.Qd4 Bc6 29.Kh2=) 28.Bc4 (28.Rb1 Nd4 29.Qd4 Bb5 30.ab5 Qe7-/+) 28...Rc4-/+ 29.Bb2 (29.Be3 Qd7-/+) 29...Qc6 30.Ba3 (30.Re1!?-/+) 30...Qa4-+ 31.Be7 Qd7 (31...Nd4 32.Kh2-+) 32.Bd6 Nd4 33.Rd1 Nb5 (33...Qa4 34.Rd2-+) 34.Qe2 (34.Kh2 Qc6-/+) 34...Qc6 35.Qd2? (35.Qe3 Rc2-+) 35...Rc2 (better 35...Rd4!? 36.Qe1 Qc3 37.Be7-+) 36.Qd3 Rc3 37.Qd2 Rc2 38.Qd3 Qc4 (38...a5!? 39.Kh2-+) 39.Qc4-/+ Rc4 40.Rd2 (40.Kf2 Rc6-/+) 40...Nd4 41.Kf2 b5 42.Ke3 Nb3 (42...Nc2 43.Kd3 Ne1 44.Ke3-/+) 43.Rb2 Rc3 44.Ke2 a5 45.g3?? (better 45.Kd1-/+) 45...a4-+ 46.Rb1 (46.Kf2 Nd4 47.Rd2 Nf3 48.Rb2-+) 46…Nd4 (46...Nd4 47.Kd2 Rf3-+) 0-1. Bendega (2055) - sakkfigura (2100), lichess.org, 2021.

10.c5 bc5 11.dc5 Bc5 (11...Be7 12.Bd3=) 12.Qc2 (better is 12.Bf6!? Qf6 13.Rc1+=) 12...Nd7+= 13.Nb3 Qb6 (13...Rb8 14.Bd3 h6 15.Nfd2=) 14.Nc5 (14.Rc1!? Bb7 15.Nc5 Nc5 16.Bg7 Kg7 17.Qc3 Kg8 18.Qc5=) 14...Nc5+= 15.Be2 (15.Rc1 Ne4 16.Bd3 Rb8+=) 15...Rb8–/+ 16.0-0 (16.Ne5 Qb2 17.Qb2 Rb2 18.Nc6 Bd7 19.Ne7 Kh8–+) 16...Qb2 17.Qc5 Qe2 18.Qc6 Ba6 19.Nd4 Rbc8 (19...Rb6 20.Qb6 Qf1 21.Rf1 ab6 22.Rb1–/+) 20.Qd7 Qg4 (20...Qb2 21.Rfb1 Qc3 22.Qa7–/+) 21.Rfc1+= h5 ½–½. Alver,Peter – Persson,Henrik, corr SSKK 2–56 SWE, 1985.

10.c5 Be7 11.Bb5 Qc7 12.Bc6 Qc6 13.Ne5 =.

10.Bd3 Ba6 11.Qe2 =.

10.Bd3 Re8 11.0-0 Ba6 12.Qe2 Na5 13.Rac1 dc4 14.Nc4 Nc4 15.Bc4 Bc4 16.Rc4 Qd7 17.e4 Bf8 (17...b5 18.Rc3+=) 18.Ne5 Qb7 19.Nc6 Rac8 (19...a5 20.Rc2+=) 20.Rfc1+– Nd7 21.Qc2 Kh8 22.a4 Nb8 23.d5 ed5 24.ed5 Nc6?? (better 24...f6+–) 25.Rh4+– (25.Rh4 f5 26.Qf5+– (26.dc6 Qc6 27.Qd1 Qd5–/+); 25.dc6?! Qe7 26.g3 Qe6+–; 25.Rc6?! Rc6 26.dc6 Qc7+–) 1–0. Jeremiah – RRd626, internet, 2019.

10.cd5 ed5 11.Ne5 Bb7 12.Bd3 Rc8 13.Bf5 Rc7 14.0-0 Bc8 15.Bd3 Be5 16.de5 Ne4? (better is 16...Nd7!?+=) 17.Ne4+/– de4 18.Be4 Na5 19.Qd8 Rd8 20.Rfd1 Rcd7 21.Rd7 Rd7 22.Rc1 Rd8 23.f4 g6 24.Rc7 Be6 25.Bc3 (25.Ra7 Rd1 26.Kf2 Rd2 27.Kf3 Rb2–/+) 25...Nc4 26.Ra7 Ne3 27.Ra8 Ra8 28.Ba8 Nd5 29.Bd2 Nc7 30.Bf3 Nb5 31.Bb4 Bb3 (31...Nd4 32.Bd1+–) 32.g3 Kg7 33.Kf2 f6 34.Be2 Nc7 35.Bc3 Kf7 (35...f5 36.h3+–) 36.Ke3 (better is 36.ef6!? Nd5 37.Bd4 Nf6 38.Bb6 Ne4 39.Ke1 Ke6+–) 36...Nd5 37.Kd2 fe5 38.fe5 Ba4 39.Bc4 Ke6 40.Kd3 Bc6 41.Kd4 Bb7 42.a4 Bc6 43.Ke4 h6 44.Bd4 Ba4 (44...h5 45.Bb6 g5 46.a5+–) 45.Bd5 Ke7 46.Bb6 Bc2 47.Kd4 g5 48.Bc5 Ke8 (48...Kd8 49.e6 Kc7 50.Ke5+–) 49.e6 Ba4 50.Ke5 h5 51.Kf5 h4 52.g4 (52.g4 Kd8 53.e7 Kc7 54.h3+–) 1–0. Stapinski,Ryszard (1935) – Deste,Dayan Kuhn (1945), Witold–ROW(s), 2012.

10.cd5 Nd5 11.Bb5 Bb7 12.0-0 Rc8 13.Re1 a6 14.Ba4 b5 15.Bb3 Na5 16.Ba2 Rc6 (16...Nc3 17.Bc3 Rc3 18.a4=+) 17.e4 Nb6 18.e5 Be7 19.Ne4 Rc7 (19...Nac4 20.Qe2-/+) 20.Rc1 Qc8 (20...Nac4 21.Qc2-/+) 21.Rc7=+ Qc7 22.Qc1 (22.Qd3!?=+) 22...Rc8 23.Qc7 (23.Nfd2 Nac4-/+) 23...Rc7-+ 24.Rc1?? (better 24.Bc3 Nac4 25.Nc5-+) 24...Rc1 25.Bc1 Be4 26.d5 (26.Nd2 Bc2-+) 26...Ba3! 27.de6 (27.Ba3 Bd5 Combination) 27...Bc1 28.ef7 Kf8 29.e6 Bf3 30.gf3 Ba3 (better 30...Nc6!? 31.h4-+) 31.f4 Nc6 32.f5 Nd4 33.Bb1 g6! 34.fg6 hg6 35.Bg6 Ne6 36.Bh5 Nd7 (36...a5 37.h4-+) 37.f4 (37.Kf1 a5-+) 37...b4 38.f5 b3 (better 38...Nd4 39.Bd1 b3 40.Bb3 Nb3-+) 39.fe6 Nf6 40.Bd1 b2 41.Bc2 Ke7 42.Kg2 Nh7! 43.Bh7 Ke6 44.f8Q (44.h4 Kf7 45.h5 Kf6-+) 44...Bf8 45.Bb1 (45.Kf3 a5-+) 45...Bb4 (better 45...a5!? 46.Kf2 Kd5 47.Ke2-+) 46.h4 a5 47.h5 a4 (better 47...Bf8!? 48.Kf3 Kd5 49.Ba2 Kd4 50.Kg4-+) 48.h6 Kf7 (48...Kd5 49.Kf3-+) 49.Kf3 a3 50.Kg4 Bd2 51.Kh5 (51.Kh5 Bh6! 52.Ba2 Kf6 53.Kg4-+). alessandrocarvalhaes (1805) - Bloodlines (1850), lichess.org, 2019.

10.Be2 Bb7 11.0-0 Rc8 12.a4 h6 13.Ba3 Ba3 14.Ra3 Qd6 15.Rc3 Ne4 16.Ne4 de4 17.Nd2 Ne7 18.Qc2 f5 19.Qb3 Kh8 20.Rfc1 Qd7 21.a5 ba5 22.c5 Bd5 23.Qa3 Nc6 24.Nc4 Bc4 25.Bc4 Rb8 26.Qa4 Rb4 27.Qa2 Re8 28.Rb1 Rb1 29.Qb1 Rb8 30.Qa2 (30.Qd1 a4+=) 30...Nb4 (better 30...e5!? 31.d5 Nb4=) 31.Qa5+/- Nd5 32.Bd5?? (better 32.Rc1+/-) 32…Rb1 (32...Rb1 33.Rc1 Rc1 34.Qe1 Re1) 0-1. muhammadaudii (2140) - Smegoo (2235), lichess.org, 2020.

10.Be2 Bb7 11.0-0 Rc8 12.Rc1 Na5 13.Ne5 dc4 14.Nec4 Nc4 15.Nc4 Bb8 16.Bf3 Nd5 17.Qb3 Qg5 18.Rfd1 Rfd8 19.g3 h5 20.h4 Qf6 (20...Qg6 21.Ne5 Be5 22.de5 Rc1 23.Rc1+=) 21.Bh5 (21.e4 Nf4+/-) 21...g6 (better 21...Qf5 22.Be2 Nf6=+) 22.Be2+/- Ba8 (22...Qf5 23.Qd3 Ne7 24.Nd2+/-) 23.e4+- Ne7? (better 23...Nf4 24.Bf1 Be4+-) 24.d5 ed5 (24...e5 25.Bg4 Rc5+-) 25.Bf6 (25.Bf6 dc4 26.Bc4 Rd1 27.Rd1+-) 1-0. jhonores (2225) - osothe (2080), Rated Blitz game, lichess.org, 2020.

10.Be2 Bb7 11.0-0 Rc8 12.Rc1 Ne4 13.Bd3 f5 14.Qe2 (14.cd5 ed5 15.Qa4 Qe7=) 14...Rf6 (14...Qe7 15.cd5 ed5 16.Bb5=+) 15.Be4 (15.cd5!? ed5 16.Rc2=) 15...fe4 16.Ne5 Rh6 17.f4 Be5 (17...ef3 18.Qf3 (worse 18.Ndf3 Ba6-/+) 18...Ne5 19.de5=+) 18.de5 (18.fe5 Ba6 19.Qf2 Qe8=) 18...Ne7 (18...Ba6 19.Qg4=+) 19.Nb3 (19.cd5 ed5 20.Qg4 Rg6=) 19...Nf5 (19...Ba6 20.Nd2 Nf5=+) 20.Nd4 (better 20.cd5 ed5 21.Nd4=) 20...Qh4-/+ 21.Nf5 Qh2 (21...ef5?! 22.g3 Qd8 23.cd5 Bd5 24.Qd2=) 22.Kf2 ef5 23.Rh1 (23.cd5 Rc1 24.Rc1 Rg6-+ (24...Bd5 25.Rc8 Kf7 26.Qb5 Qh4 27.Ke2 Qg4 28.Kd2 Qg2 29.Kc3 Rc6 30.Rc6 Bc6 31.Qc6+-)) 23...Qh1-+ 24.Rh1 Rh1 25.cd5 Bd5 26.Qb5?? (26.Qd2 Be6 27.Bc3-+) 26...Bf7 (better 26...Rc2 27.Kg3 h5 28.Qd5 Kh7-+) 27.e6= Be6 28.Qe5 Rc2?? (28...Kf7 29.Qg7 Ke8+/-) 29.Kg3+- Rb2 (29...Kf7 30.Qg7 Ke8 31.Bf6+-) 30.Qb2 1-0. jhonores (2115) - chaeeghandpahloo (2140), Rated Blitz game, lichess.org, 2020.

11.0-0 Na5 12.cd5 Bd5? 13.e4+–.

11.0-0 Na5 12.cd5 Nd5 13.Ne4 Be7 14.Rc1 Rc8 15.Rc8 Qc8 16.Qb1 g6 17.h4 (17.Rc1 Qd8+=) 17...Ba6 18.Rc1 Bd3 19.Qd3 Qb8 20.h5 Rc8 (worse is 20...gh5 21.Neg5 Bg5 22.Ng5+–) 21.Rc8 Qc8 22.hg6 hg6 23.Ne5 Bf6? (better is 23...Qc7+=) 24.Nd6+– Qd7?? (better is 24...Qf8 25.Nef7 Kg7+–) 25.Nd7 1–0. Janek – Stephen, internet, 2016.

11.0-0 Na5 12.Qe2 Rc8 13.Rac1 dc4=+ 14.Nc4 Nc4 15.Bc4 Qe7 16.a4 Bb4 17.Ne5 Ne4 18.Nd3 (18.Rfd1 Qg5 19.f3 Nd6=) 18...Ba5 (better 18...Nd2 19.Nb4 Qb4=+ (worse 19...Nf1 20.Nd3=)) 19.f3? (better 19.Rfd1=) 19...Nd2-+ 20.Ne5 Nf1 21.Rf1 Bb4 22.f4 Be4 23.g4 (23.Bd3 Bd3 24.Nd3 Rfd8-+) 23...f6 24.Nf3 White prepares the advance g5 24...Kh8 25.h4 White intends g5 (25.Bd3 Bd3 26.Qd3 Bd6-+) 25...Rc7 26.g5 (26.Bd3 Bd3 27.Qd3 Rfc8-+) 26...Rfc8 27.Bb3 Bc3 (27...Rc2 28.Bc2 Rc2 29.Qa6 Rb2 30.Qc8 Qf8 31.Qe6-+) 28.Bc1 Bb4 29.Bb2 Rc2! 30.Bc2 Rc2 (worse 30...Bc2 31.Rc1 Qc7 32.gf6 gf6 33.d5+-) 31.Qa6 Rb2 32.Qc8 Qf8 33.Qe6 Bf3 (33...Bb7!? 34.Qd7 Bc8 35.Qa7 fg5 36.Qb6 gh4 37.Nh4-+) 34.Rf3 fg5 35.hg5 Qg8 36.Qc6 Bf8 37.g6 (37.Qe8 Bd6 38.Qd7 Qa8-+) 37...Qa2 38.Rf1 Rg2?? (better 38...Re2 39.Qf3 Qd2-+ (39...hg6?! 40.e4-+)) 39.Qg2+- Qa4 40.Qh2 (40.gh7!? Qb3 41.Qe4 Qf7+-) 40...h6 41.f5 Qc6 0-1. jhonores (2200) - munkhuubold (2145), Rated Blitz game, lichess.org, 2020.

11.0-0 Qe7 12.Re1 Na5 13.Qe2 (13.cd5 Nd5 (13...Bd5? 14.e4+-) 14.Qb1 h6=) 13...Ne4 14.Rec1 Rac8 15.Be4 (15.cd5 ed5 16.Qf1 Nc6=) 15...de4=+ 16.Ne1 Qh4 17.h3 f5 (17...Rfd8 18.Rab1=+) 18.Bc3= f4 (better 18...Nc6=) 19.Qg4?? (19.c5 fe3 20.fe3 bc5 21.Ba5-+) 19...Qg4-/+ 20.hg4 f3?? (better 20...Nc4 21.Nc4 Rc4-/+) 21.c5 Bc7 (21...Be7 22.Ba5 ba5 23.Rab1+-) 22.Ba5 ba5 23.gf3 ef3 24.c6 Ba6 (better 24...Ba8!?+/-) 25.Nef3+- Bd6 (25...Be2 26.Kg2+-) 26.Ng5 Rfe8 27.Nge4 Bf8 28.Nb3 (28.Rc3 e5 29.Re1 ed4 30.ed4 Re6+-) 28...Bb5 (28...e5 29.d5 Red8 30.Nbc5+-) 29.Na5 a6 30.a4 Bd3 31.Nc5 g6 (31...Bc5 32.Rc5 Rc7+-) 32.Nd3 Bg7 33.Ne5 (33.Nc5 e5 34.d5 e4+-) 33...Be5 34.de5 1-0. black_bishop_88 (2660) - dima81 (2225), lichess.org, 2020. (=1.a3 d5 2.b4 e6 3.Bb2 Nf6 4.Nf3 c5 5.bc5 Bc5 6.e3 Nc6 7.c4 0-0 8.d4 Bd6 9.Nbd2)

11.Rc1 Qe7 12.cd5 ed5 =.

11.e4 de4 12.Ne4 Be7 (12...Ne4 13.Be4 Na5 14.Bb7 Nb7 15.Qe2+=) 13.0-0 Na5 14.Nf6 Bf6 15.Ne5 Rc8 16.a4? (better is 16.Qe2=) 16...Be5–/+ 17.Qh5?? (17.de5 Nc4 18.Bc4 Qg5–/+) 17...Bh2! 18.Qh2 (18.Kh2 Qc7 Double attack; 18.Qh2 h6 Combination) 18...h6 19.Rac1 (19.Qg3!? Qc7 20.f4 Nc4–/+) 19...Ba6–+ 20.Rfe1 Bc4 21.Re3 Bd3 22.Rd3 Qf6 23.Bc3 Rfd8 24.Re1 Rd5 25.Ree3 Qg6 26.Rg3 Rc3! (26...Rc3 27.Qh4 Rc1 28.Kh2 Qh5 29.Qh5 Rh5 30.Rh3 Rd5–+) 0–1. McManus,F – Tufts,G, corr, 1949.

12.Rc1 dc4 13.Nc4+= Bb8 (13...Bc7 14.Re1+=) 14.Qd2 (14.Re1 a6+=) 14...b5 (14...Qd5 15.Qe2=) 15.Nce5+= a6 16.Nc6 Rc6 17.Rc6 (17.Ne5 Be5 18.de5 Ne4=) 17...Bc6= 18.Ne5 Be4 19.Qc2 (19.f3 Bd3 20.Nd3 Nd5=) 19…Bd5 =. Ertel,Jens – Ehrlich,Stefan, 2005.

12.Rc1 Qe7 13.Qa4=.

12.cd5 ed5 13.Ne5 Ne7 (13...Re8 14.Ndf3=) 14.f4 (14.Rc1 Rc1 15.Qc1 Ne4=) 14...Ne4 15.f5 (15.Rc1 Rc1 16.Bc1 f6=) 15...f6+= 16.Ne4 Be5 (16...de4!? 17.Bc4 Nd5+=) 17.de5+= de4 18.ef6 ed3 19.fe7 Qe7 20.Qb3 (better is 20.Qd3!? Rce8 21.Bd4=) 20...Rf7+= 21.Qd3 Be4 22.Qb3? (better is 22.Qd4+=) 22...Rc2–+ 23.Rf2 Rf2 24.Kf2 Qg5 25.f6 Qg2 26.Ke1 Qg1 27.Ke2 Qh2 28.Ke1 Qg1 29.Ke2 Qg2 30.Ke1 Bd5 31.Qb5 Qe4 32.Bd4 Rc7 33.f7? Bf7 34.Qg5 Be8 35.Rd1 Qg6 36.Qd5 Qf7 37.e4 Re7 38.Qf7 Kf7 39.e5 Ke6 40.Kd2 Ba4 41.Rc1 Rd7 42.Ke3 g5 43.Rf1 Rf7 44.Rf6 Rf6 45.ef6 h5 46.Kf3 Bb3 47.Bc3 Kf5 Black prepares g4 48.Kg3 Be6 49.Kg2 h4 50.a4 g4 51.a5 ba5 52.Ba5 g3 53.f7 Bf7 54.Kh3 Be6 55.Bd2 Ke4 56.Kg2 Bd5 57.Kh3 Kf3 58.Bb4 Be6 59.Kh4 g2 60.Bc5 a5 (60...a5 61.Kg5 a4–+) 0–1. Markus,M – Herren,W, Zuerich, 1962.

13.cd5 ed5 14.Rfc1 Qe7 15.Ne5 Rc1 16.Rc1 Ba3 17.Ba3 Qa3 18.Qd1 Qd6 19.Qa4 Rc8 20.Rc8 Bc8 21.Ndf3 h6 22.h3 Qd8 23.Nd2 a6 24.Nb3 Nb3 25.Qb3 Qc7 26.f3 g5 27.Kf2 Kg7 28.Ke2 a5 29.Bb5 Ng8 (29...Qc1 30.Bd3=+) 30.Nc6 (30.Qd5!? Qc2 31.Kf1=) 30...Qg3 31.Kf1 Bh3 (31...Bh3 32.gh3 Qf3 33.Ke1 Qh3-/+) 0-1. marekt (2175) - heisenberg005 (2255), gameknot.com, 2020.

13.cd5 ed5 14.Ne5 Ne4 15.Ne4 de4 16.Bb5 a6 17.Ba6 (17.Bd7 Rc7 18.Bf5 Qg5+=) 17...Ba6–/+ 18.Qa6 f6 19.Rad1 Bb8 (worse is 19...fe5 20.de5 Nc4 21.Ba1+/–) 20.f4 fe5 21.de5 Qe7 22.Qb6 Nc4 23.Qb3 Qf7 24.Bd4 Ne5 25.Qb5? (better is 25.Qf7!? Nf7 26.a4–/+) 25...Nd3–+ 26.Rd2 (26.Qg5 Kh8–+) 26...Rfe8 27.a4 Ba7 28.Bb6 Bb6 29.Qb6 Rb8 30.Qc6 Kh8 31.f5 Rbc8 32.Qb6 Re5 33.g4 Qf6 34.Rc2 Rg8 35.a5 Qb6 36.ab6–/+ Rb5 37.Rc4 Rb6 38.Re4 h6 39.Kg2 Rc8 40.Kg3 Rb2 41.f6 g5 42.h4= gh4 43.Kh4 Rg2 44.f7 Rf8+= 45.Re8 Kg7 46.Rf8 Kf8 47.Kh3 Rc2 48.Kh4+= Ne5 49.g5 Rc4 50.Kh5 hg5 51.Kg5 Nf7 52.Kg6 Rc6 53.Rf6 Rc7 54.e4 Kg8 55.Ra6 Nh8 56.Kf5 Kg7 57.e5 Rf7 58.Rf6 Ra7 59.Rb6 Nf7 60.Rg6 Kf8 61.Rf6 Ke7 62.Re6 ½–½. Delander,A – Gerusel,M, Kiel, 1967.

13.cd5 Bd5? 14.e4+–.

13.Ne5 dc4 14.Ndc4= Nc4 15.Nc4 Bb8 16.e4 (better 16.f3=) 16...Be4!-/+ 17.Rac1 (17.Be4 Ne4 Combination) 17...Bd3-+ 18.Qd3 Nd5 19.Rfe1 Nf4 20.Qf3 Nd5 21.g3 (21.Qd3 Bf4 22.Ne3-/+) 21...Qf6 22.Qe4 Rfd8 23.h4 (23.Ne3 Rc1 24.Rc1 Bd6-/+) 23...Qg6 (23...b5 24.Ne3 Rc1 25.Rc1 Ne3 26.Qe3-+) 24.Qf3 (24.Qg6 hg6 (24...fg6?! 25.Re6 b5 26.Ne5=) 25.Kg2 Kf8-/+) 24...Nf4 25.Ne5 Be5 26.Rc8 Rc8 27.Re5 (27.de5!? Nd5 28.Bd4-/+) 27...Nd5 (27...Qb1 28.Kh2 Nd3 29.Re2 Nb2 30.Qb3-+) 28.Re2 h6 29.Qb3 (29.Re1 a6-+) 29...Qg4 (better 29...Nf4! 30.Re1 Rc2 31.Rf1-+) 30.Rd2 Qe4 31.Qb5?? (31.Qd3 Qd3 32.Rd3 Rc2-+) 31...Nf6 (better 31...Qe1 32.Kg2 Qd2 33.Qb3-+) 32.d5?? (32.Qd3 Qd5-+) 32...Nd5 (better 32...Qe1 33.Kg2 Qd2 34.de6 fe6 35.Qe5 Qd5 36.Qd5 ed5 37.Kf3-+) 33.Qd7? (33.Kh2 Qe1 34.Qd3 Rc6-+) 33...Rf8 (better 33...Rc4 34.Rd1 Rc2-+) 34.Rd4?? (34.Kh2-+) 34...Qb1 35.Kg2 Qb2 36.Rg4 (36.Rd3 Qc2 37.Rf3 Qe4-+) 36...Qf6 (better 36...Qe2 37.Rf4 g5 38.hg5 hg5 39.Rf3-+) 37.h5 (37.Rc4 Kh7 38.Qa4 Qe7-+) 37...Rd8 38.Qa7 (38.Qb5-+) 38…Rf8 (38...Ne3 39.Kh2 Qf2 40.Kh3 Qg2 41.Kh4 Qh2) 0-1. jhonores (2205) - Reboxo (2150), Rated Blitz game, lichess.org, 2020.

13.Ne5 Ne4 14.Be4 de4 15.Bc3=.

13.Ne5 Be5 14.de5 Nd7 (14...Ne4 15.Be4 de4 16.Bd4=) 15.f4 (better 15.cd5!? Bd5 16.Qh5=) 15...Nc5=+ 16.Bh7? (better 16.cd5 Qd5 17.Bb5=+) 16...Kh7-+ 17.Qh5 Kg8 18.Rf3 f6 19.ef6 Rf6 (19...Nc4?! 20.fg7 Rf5 21.Qh8 Kf7 22.g4 Nb2 23.Rh3-/+) 20.Bf6 Qf6 (20...gf6?? 21.Rg3 Kf8 22.Qh7 Nc4 23.Rg8) 21.Raf1 (21.Rd1 Nc4 22.Nc4 dc4-+) 21...dc4 22.Rh3 c3 23.Nf3 Be4?? (better 23...Qh6 24.Qe5 Qg6 25.Qc3 Nd3-/+) 24.Ne5 (better 24.Qh8 Kf7 25.Ne5 Ke7 26.Qc8+-) 24...Nc6 (24...g6 25.Qh7 Kf8 26.Qh8 Qh8 27.Rh8 Ke7 28.Rc8 c2+/-) 25.Qh8 1-0. jhonores (2210) - mvanderstee (2275), Rated Blitz game, lichess.org, 2020.

10.Bc4 a6 11.0-0 b5 12.Bd3 Bb7 13.Rc1 Rc8 14.Qb3 Bc7 15.Ne4 (15.a4 Na5 16.Qa3 ba4 17.Qa4 Bc6=) 15...Na5 16.Nf6 Qf6 17.Qd1 Bd5 (17...Nc4!? 18.Bc4 bc4+=) 18.e4= Bc4 19.Qe2 White plans e5 19...Bd3 20.Qd3 Nc4 21.e5 Nb2 (better is 21...Qd8 22.Qe2 Qd5+=) 22.ef6?? (better is 22.Qc2 Qf4 23.Qb2=) 22...Nd3–+ 23.fg7 Nc1 24.gf8Q Kf8 25.Rc1 Bh2! 26.Kh2 Rc1 27.Kg3 Rc3 0–1. Fournier,Frederic (1840) – kindofblue (1790), Active, 2011.

10.Bc4 a6 11.0-0 b5 12.Be2 Bb7 13.e4 Bc7 14.e5 Nd5 15.Bd3 Bb6 16.Qc2 (16.Ne4 Nf4 17.Nd6 Nd3 18.Nb7 Nb2 19.Nd8 Nd1 20.Nc6 Nc3=) 16...h6 17.Nb3 Nf4 Increases the pressure on the backward pawn 18.Bh7 Kh8 19.Be4 Rc8 20.Nc5 Bc5 21.dc5 (21.Qc5?? Na5 22.Bb7 Rc5 (22...Nb7?! 23.Qb4=+) 23.dc5 Nb7-+) 21...Qe7 22.Rfd1 Na5 Exerts pressure on the isolated pawn 23.Bb7 Nb7 Increasing the pressure on the isolated pawn on c5 24.c6 Na5 25.Rd7?? (better 25.Qd2 Nc4 26.Qf4 Nb2 27.Rdb1=) 25...Qd7!!-+ 26.Qe4 (26.cd7 Rc2 Pinning (26...Rc2 Deflection)) 26...Rc6 (26...Nh3! 27.gh3 Qc6 28.Qc6 Rc6 29.Kg2-+) 27.Qf4 Rfc8 28.Qb4 Nc4 29.h3 Nb2 30.Qb2 Qd3 31.a4 Rc2 32.Qb4 Rc1 (better 32...Qc4!? 33.Qc4 bc4 34.g4-+) 33.Rc1 Rc1 34.Kh2 ba4 35.Qa4 Qb5 36.Qf4 Rc4 (better 36...Rc7-+) 37.Qf7-/+ Rc8 (37...Qc6 38.Nd2 Rc2 39.Nf3-+) 38.Qe6=+ Re8 39.Qf7 a5 40.e6 a4 (40...Qb8 41.Kh1 Rf8=+) 41.e7 (41.Nh4 Ra8 42.e7 Qb8 43.Kg1 Qb1 44.Kh2 Qb8 45.Kg1 Qe8 46.Ng6 Kh7 47.Nf8 Kh8 48.Ng6 Kh7 49.Nf8 Kh8 50.Ng6=) 41...a3 (better 41...Kh7!? 42.Qe6 a3-/+) 42.Nh4= Qb8 (better 42...Kh7!? 43.Qg6 Kg8 44.Qe6 Kh8 45.Ng6 Kh7 46.Nf8 Kh8 47.Ng6 Kh7 48.Nf8 Kh8 49.Ng6=) 43.g3+/- Qc7?? (better 43...Kh7+/-) 44.Qe8 Kh7 45.Qg6 Kh8 (45...Kg8 46.e8Q) 46.Nf5 (46.Nf5 Qe7 47.Ne7 a2 48.Qe8 Kh7 49.Qg8; 46.e8Q) 1-0. muhammadaudii (2045) - Capricorn22 (2025), Rated Blitz game, lichess.org, 2020.

10.Bc4 a6 11.Bd3 b5 12.e4 Bc7 (12...Bf4!?=) 13.e5+= Nd5 14.Qc2 Nce7 15.Bh7 Kh8 16.Be4 Bb7 17.a4 Rc8 18.ab5 Ba5 (18...ab5!? 19.Qb3 Rb8+/–) 19.Qa4+– Bd2 20.Nd2 (20.Kd2 Nb6 21.Qb3 Be4–+) 20...ab5 21.Qb5 Bc6 22.Qb3 Rb8?? (better is 22...Nf4 23.Qf3 Be4 24.Ne4 Qb6 25.Qf4 Qb2+–) 23.Qh3 1–0. glovio (1945) – guillaume54 (1770), gameknot.com, 2013.

10.Bc4 b6 11.0-0 Na5 12.Bd3 Bb7 13.Rc1 Rc8 14.Qe2 (14.Rc8 Qc8 15.Qb1 Ba6+=) 14...Qe7= 15.a4 Rc1 16.Rc1 Rc8 (16...Ba3 17.Nf1=) 17.Qd1 (17.Rc8 Bc8 18.e4 Bf4=) 17...Ba3 (17...Rc1 18.Qc1 Bc6 19.Bc3 Ba4 20.Ba5 ba5 21.Qc8 Qe8 22.Qa6=) 18.Ba3 Qa3 19.Rc8 Bc8 20.Bb5 a6 21.Nb1 (21.Bf1 Bb7+=) 21...Qb3 (better 21...Qe7 22.Bd3 Nc6=) 22.Nfd2?? (better 22.Qb3 Nb3 23.Bc4=) 22...Qd1-+ 23.Bf1 Bd7 24.g3 b5 (24...Ba4!? 25.Kg2-+) 25.Kg2 ba4 26.f3 a3! 27.Kf2 (27.Na3 Qc1 Double attack (27...Qd2 Deflection; 27...Qc1 Decoy)) 27...a2 28.Be2 Qd2! 29.Nd2 (29.Nd2 Bb5 Combination) 29…a1Q 0-1. Dino_Jarach (1885) - hora393, lichess.org, 2018.

10.Bc4 b6 11.0-0 Bb7 12.Qe2 Rc8 13.Bd3 h6 14.e4 Ne8 (14...Nh5 15.g3=) 15.e5+= Be7 16.Qe4 f5 (better 16...g6!?+=) 17.ef6!+- Nf6 (17...Bf6 18.Qe6 Discovered attack; 17...Nf6 18.Qe6 Discovered attack; 17...Rf6 18.Qh7 Combination; 17...gf6 18.Qh7 Mate attack) 18.Qe6 Kh8 (18...Rf7+-) 19.Qf5 (better 19.Nh4!? g5 20.Ng6 Kg7+-) 19...Qd7? (better 19...Bd6+/-) 20.Ne5+- Ne5 21.de5 (21.Qe5?! Bd6 22.Qe2 Rce8=) 21...Qf5 22.Bf5 Ng4? (22...Nd5 23.Bc8 Rc8+-) 23.Bg4 Rc2 24.Bc1 Bc8 (24...Ba6 25.Rd1+-) 25.Bd1 Rc5 26.f4 Bf5 27.Nb3 Rc3 28.Bb2 Rc7 29.Rc1 (29.Rf2 Rd8 30.g4 Be4+-) 29...Rd7 (29...Rc1 30.Bc1 Rd8 31.Re1+-) 30.Bc2 Be6 (30...Bc2 31.Rc2 Rd3 32.Rc3+-) 31.f5 Bc4 32.Rf3 Rfd8 33.f6 (better 33.e6 Rd6+-) 33...gf6 (33...Bf8+-) 34.ef6 Bf8 (34...Ba3 35.Ba3 Bf7 36.Bb2+-) 35.f7 Bg7 36.f8Q Rf8 37.Rf8 Bg8 38.Bg7 Kg7 39.Rcf1 (39.Rf4 h5+-) 39...Bc4 40.R1f3 Re7 (40...Bf7 41.Rc8 Bd5 42.Rg3 Kf7 43.Rh3+-) 41.R8f4 (better 41.Nd4 h5 42.Rc8 Re1 43.Kf2 Rf1 44.Ke3 Rf3 45.gf3+-) 41...Bd5 (41...Re1 42.Rf1 Bf1 43.Rf1 Rf1 44.Kf1 Kf6+-) 42.Rg3 Kh8 43.Rf8 (43.Rf8 Bg8 44.Rgg8) 1-0. jhonores (2205) - oussamafadli (1825), Hourly Blitz Arena, lichess.org, 2020.

10.Bc4 Bc7 11.0-0 a6 12.a4 Rb8 13.Ba3 Bd6 14.Bd6 Qd6 15.Qe2 (15.Bd3 b6+=) 15...Nd5 (15...e5 16.de5 Ne5 17.Ne5 Qe5 18.Nf3+=) 16.Ne4 Qe7 17.Nc5 (17.Rac1 Bd7+=) 17...b5 18.ab5 ab5 19.Bb5?? (better 19.Bb3+=) 19...Nc3-+ 20.Qd3 Nb5 21.Rfc1 e5 (21...Nd6 22.Qc3-+) 22.d5 (22.Qe4 Rb6 23.Na4 Nd6=+) 22...Nb4 (22...Rd8 23.Rab1 Nca7 24.h3-+) 23.Qe4 (23.Qd2 e4 24.Ne1 Nd6-/+) 23...Nd6 (23...Nc7 24.Qe5 Qd8 25.e4=+) 24.Qe5 Qe5 25.Ne5 Nd5 (25...Re8 26.Nc6 Rb6 27.Nb4 Rb4 28.f3=+) 26.Ncd7 (26.Rd1 Be6 27.e4 Ne4 28.Ne4 Rfc8=) 26...Bd7=+ 27.Nd7 Nf6 (27...Ne4 28.Nb8 Rb8 29.Rc4=+) 28.Nb8= Rb8 29.h3 (29.Rd1 Nc4=) 29...h5 30.Ra7 Rb2 31.Rc6 Nde4 (31...Rd2 32.Ra8 Kh7 33.Rd8=+) 32.f3= Ng3 33.e4 h4 34.Rcc7 (34.Rc8 Kh7=+) 34...Rb1 (better 34...Ne2!? 35.Kf1 Nf4-/+) 35.Kh2?? (better 35.Kf2=) 35…Rh1 0-1. Dino_Jarach (1895) - lyonbeast91 (2300), lichess.org, 2020.

10.c5 Be7 11.Bd3 b6 12.cb6 ab6 13.0-0 h6 14.Nb1 Rb8 15.Re1 b5 16.Bc3 b4 17.ab4 Nb4 18.Qe2 (18.Bb4!? Bb4 19.Re2=) 18...Nd3=+ 19.Qd3 Bb4 (19...Bb5 20.Qd1=+) 20.Ne5 (20.Bb4 Rb4 21.Rc1 Qb6=) 20...Bc3 (20...Bb5!? 21.Qc2 Bd6=+) 21.Nc3+= Ne4? (better 21...Qc7!?+=) 22.Ne4+- de4 23.Qe4 f6 24.Ng6 (24.Nc6 f5 25.Qe5 Bc6 26.Qe6 Kh8 27.Qc6 f4+-) 24...Rf7 25.Nf4 Bc6?? (better 25...Qe8+-) 26.Qc6 Rc8 (26...e5 27.Ne6 Qd7 28.Qc4+-) 27.Qe6 Qf8 (27...Qd7 28.e4+-) 28.Ng6 Qe8 29.Qb3 (better 29.Ne7! Qe7 30.Qc8 Rf8 31.Qc4 Kh7+-) 29...Kh7 30.Nf4 Rfc7 31.Qd3 Kg8 32.h4 (32.Nd5 Rb7+-) 32...Rc3 33.Qe4 (better 33.Qf5 Rc2 34.e4+-) 33...Qe4-+ 34.Ne2 (34.h5 Rc2-+) 34...Rc2 35.Rad1 (35.h5 Rb2 36.Ng3 Qd3-+) 35...Qg4 36.f3 Qg6 (better 36...Qh4!? 37.d5 R8c3 38.d6-+) 37.Kf2 Re2! 38.Re2 (38.Re2 Qh5 Combination; 38.Ke2 Qg2 Mate attack) 38...Qg2?? (better 38...Kf7-+) 39.Kg2+- Rc6 40.Kg3 f5 (40...Kf7 41.Rb2 Rc7 42.d5+-) 41.f4 (better 41.Kf4!? g6+-) 41...Rg6 (41...Kf8 42.e4 Rc3 43.Kg2 fe4 44.Re4+-) 42.Kf3 Rg4 (42...Rg4 43.d5 Rg6+-). alessandrocarvalhaes (1865) - Noxotolec (1865), lichess.org, 2019.

10.Bd3 b6 A) 11.Ne5 Rc8 12.0-0 (12.Rc1 Qe7 13.Nd7 Qd7 14.0-0 Rfd8 15.cd5 Nd5 16.Ne4 Rc7+=) 12...Re8 (12...Qc7 13.Ndf3 Rfe8 14.Rc1 dc4 15.Nc4 Red8 16.Nd6 Qd6+=) 13.f4 Be7 (13...Qe7 14.e4 de4 15.Ne4 Ne4 16.Be4 Na5=) 14.Rc1 Rf8 15.Qf3 Qe8 16.Nd7 Qd7+=; B) 11.0-0= Rc8 12.Ne5 Qc7 B1) 13.Ndf3 dc4 14.Nc4 Be7 15.Rc1 (15.Nce5 Ne5 16.Ne5 Qd6+=) 15...Rfd8 16.Qe2 (16.Nce5 Qd6+=) 16...Qb7+=; B2) 13.f4 Rfd8 14.Rc1 Qb7 15.Qf3 Be7 16.Rc2 h6+=.

10.Bd3 Qc7 11.0-0 Rac8 12.h3 b6 13.Qe2 Ne7 14.cd5 Ned5 15.Ba6 Rb8 16.Rfc1 Qd8 17.Bd3 Ne8 18.g3 f5 19.e4 fe4 20.Ne4 Be7 21.Ne5 Nd6 (better is 21...Rc8!?+=) 22.Nd6+/– Bd6 23.Nc6 Bc6 24.Qe6 (24.Qe6 Kh8 25.Rc6+–; 24.Rc6?! Qd7 25.Rac1 Rbd8=) 1–0. Woelfelschneider,Peter – Eschweiler, 2009.

10.Bd3 Bc7 11.0-0 b6 (11...Rc8 12.Rc1=) 12.Rc1+= Qb8 (12...dc4 13.Rc4 Rc8 14.Ne5+=) 13.Qe2 Ng4 14.h3 Nf6 15.Rc2 Qe8 16.Rfc1 Bd6 (16...Rc8 17.cd5 Nd5 18.Ba6+–) 17.Ne5 Rc8 (17...Nb8!?+–) 18.cd5+– ed5? (better 18...Ne7 19.de6 Be6+–) 19.Nd7 Qd7 20.Bb5 Nd4 21.Bd4 (21.Bd4 Rc2 22.Rc2+–; 21.Bd7 Ne2 22.Kf1 Ng3 (22...Nc1?! 23.Bc8 Nd3 24.Bf6 gf6 25.Bf5=; worse 22...Nd7 23.Rc8 Nc1 24.Rc1=+) 23.fg3 Rc2 24.Rc2 Nd7–/+; 21.ed4?! Rc2 22.Rc2 Qf5+–) 1–0. Pierre – Guest112, internet, 2020.

10.Bd3 Rc8 11.0-0 h6 12.Qe2 Na5 13.c5 Bc7 14.e4 (14.Rab1!?+=) 14...de4= 15.Ne4 Ne4 (15...Nd5!?=) 16.Qe4+= g6 17.Qe3 Kh7 18.h4 (18.Bc1 Rh8+/-) 18...Qf6 (18...Bc6!?+=) 19.h5 Bf4 20.Qe4 (20.Qe2!? Qd8 21.Bc1 Bc1 22.Rac1+/-) 20...Bc6+= 21.d5 ed5 22.hg6 (22.Bf6?? de4 23.Ne1 ed3 24.Nd3 Bb8-+) 22...fg6 23.Qe2 (23.Qb4 Qd8=) 23...Qf7 (23...d4 24.Rad1 Nb3 25.Bc4-/+) 24.Ne5? (better 24.g3 Rfe8 25.Qc2=+) 24...Be5-+ 25.Qe5 Nc4 (25...Nb3 26.Rae1 Rce8 27.Qg3 Nc5 28.Bd4 Nd3 29.Qd3-+) 26.Bc4 dc4 27.Rad1 Rfe8 28.Qg3 Re2 (28...Ba4 29.Rd6-/+) 29.Ba1 Rce8 30.Rd6 g5 (30...Be4 31.Bc3-/+) 31.Qc3 (31.Rf6 Qh5 32.Qc3 R2e7+=) 31...R2e4 (better 31...R8e5=+) 32.Qh3?? (better 32.Rf6 Qd7 33.f3=) 32...Qf8?? (better 32...Rh4 33.Qc3 Bg2-+) 33.Rf6+- Qg7 (33...Qf6 34.Bf6 Kg6+-) 34.Rf5 (34.Rf5 Qd7 35.Rg5=) 1-0. jhonores (2195) - Santo_Guti (2175), Rated Blitz game, lichess.org, 2020.

10.Bd3 Qe7 11.0-0 b6= 12.Ne5 Rac8 13.Qf3 Rfd8 14.Rfc1 Be8 15.Rc2 (15.Nb3 dc4 16.Nc4 Bc7=) 15...Rc7 16.cd5 ed5 +=.

10.Bd3 Qe7 11.0-0 h6 12.Ne5 Rfd8 13.f4 Rac8 14.Rf3 (14.Qf3 Bc7+=) 14...Bc7 (14...b6 15.Qe2=) 15.Rg3 (15.Rc1 Qe8+=) 15...Ba5 16.Nb3 White plans c5 16...Bb6 17.Rc1 White prepares the advance c5 17...Be8 18.Nd2 g6 19.c5 Ba5 20.Bc3 Bc3 21.Rc3 b6 22.Nb3 bc5 23.Rc5 Ne5 24.fe5 Nd7 25.Rc1 Qa3 26.Ra1 Qb4 (26...Qb2!?=) 27.Ra7+= Ra8 28.Ra1 Ra1 29.Na1 Rc8 30.Nc2 Qb2 31.Qe2 Nb6 32.Ne1 Qc1 33.h4 h5 34.Kh2 Qa1 35.Rf3 Na4 36.Qd2 Qa3 37.Qa5 Qc3 38.Qc3 Rc3 39.Kg3 Rc1 40.Nc2 Rd1 41.Nb4 Nc3 42.Kf4 Rh1 43.g3 Bb5 44.Na2 Na2 45.Bb5 Nc3 46.Bd3 Rd1 47.Ba6 Ne4 48.Bf1 Kg7 49.g4 Ra1 50.gh5 gh5 51.Be2 (51.Bg2!? Rg1 52.Bh3–/+) 51...Rh1–+ 52.Rg3 Ng3 53.Kg3 Kg6 54.Bf3 0–1. Fritz 11 – irwandinho, internet, 2013.

10.Bd3 Qe7 11.c5 Bc7 12.Ne5 Rfc8 13.0-0 b6 14.Nd7 Nd7 15.Qc2 bc5 16.dc5 Qc5 = (16...Nc5=).

10.Bd3 Qe7 11.Ne5 Rac8 (11...Rfc8 12.0-0= (12.c5 Bc7 13.0-0 b6 14.Nd7 Nd7 15.cb6 ab6 16.Qb3 Qd6=) 12...Be8 (12...Bc7 13.Rc1 Rab8 14.Qf3 dc4 15.Ndc4 a6 16.Rfd1 b5+=) 13.Qf3 Bc7 (13...Rab8 14.Rfd1 Rc7 15.Ng4 Ng4 16.Qg4 f5+=) 14.Rac1 dc4 15.Ndc4 a6 16.Rfd1 b5+=; 11...b6 A) 12.0-0 Rac8 13.Qf3 Rfd8 14.Rfc1 Be8 (14...Rc7 15.cd5 ed5 16.Nd7 Qd7+=) 15.Nb3 dc4 16.Nc4 Bc7=; B) 12.cd5 ed5 13.Nd7 Qd7 14.Qf3 Qc7 15.g4 Ne7 16.g5 Nd7+=) 12.0-0 Bc7 (12...Rfd8 13.c5 Bc7 14.Rb1+= b6 15.Nd7 Qd7 16.Qa4 (16.Bb5 Bb8+=) 16...bc5=; 12...b6 13.Qf3 Rfd8 14.Rfc1 Be8 (14...Rc7 15.cd5 ed5 16.Nd7 Qd7+=) 15.Nb3 dc4 16.Nc4 Bc7=) 13.Rc1+= (13.Nd7 Qd7 14.c5 A) 14...Rb8 15.Rb1 b6 16.Qe2 (16.Qa4 bc5=) 16...bc5=; B) 14...e5 15.Rb1 e4 16.Bb5 Qf5=) 13...Rfe8 (13...Rfd8 14.f4+= A) 14...Qe8 15.Qf3 Qe7 16.Nb3 (16.Qg3 Ba5+=) 16...Bd6+= (16...Na5+=); B) 14...Bd6 15.c5 Bc7 16.Qf3 Rf8+=; 13...dc4 14.Ndc4 b5 15.Nd7 Qd7 16.Ne5 Ne5+=) 14.Qe2 (14.f4 A) 14...Rb8+= 15.Qf3 Red8 16.Rc3 (16.Nb3 Bd6+=) 16...Ba5+= (16...Rbc8+=); B) 14...Ba5 15.Nb3 Bb6 16.Qf3 Na5+=; C) 14...Red8 15.Qf3 (15.Qb3 Na5 16.Qb4 Qb4+=) 15...Bd6 16.c5 Bc7+=) 14...Kh8 (14...Red8 15.f4+= Bd6 16.Rc3 (16.c5 Bb8+=) 16...Be8+=) 15.f4 (15.Rc2 Bd6 16.Qf3 (16.Rfc1 Kg8+=) 16...Ba3+=). Buczinski,Henryk (2220) – Romano,Gabriel (2110), ZH–2010–O–00440, 2010.

10.c5 A) 10...Nd2 11.Qd2 (11.Nd2 Bc7 12.Bd3 Qh4 13.Rb1 Bd7 14.Qf3=) 11...Bc7 12.Bd3 f6 13.Qc2 h6 14.0-0+=; B) 10...Bc7 11.Ne4 (11.Bd3 f5 12.0-0 Qf6 13.Rb1 Qh6 14.Bb5=; 11.Bb5 Ba5 12.Qc2 Nd2 13.Nd2 e5 14.0-0=) 11...de4 12.Nd2 e5 13.de5 Ba5 14.Qc2=.

10.Bd3 Qa5 11.0-0 (11.c5 Bc7 12.0-0 f5 13.Rb1 Bd7 14.Qc1=; 11.Rc1 f5 12.0-0 Bd7 13.cd5 ed5 14.Qb3=) 11...f5 12.c5 Bc7 13.Rb1 Bd7 14.Nb3+=.

10.Bd3 Nd2 11.Nd2 Qg5 12.Qf3 Rd8 13.h4 Qe7 14.Qh5=.

10.Bd3 Ng5 11.0-0 (11.Rb1 Nf3 12.Qf3 Qa5 13.c5 Be7 14.Rc1+=; 11.Qc2 f5 12.Ne5 Rb8 13.0-0 Ne4 14.Rac1+=) 11...Nf3 12.Qf3 Qg5 13.c5 Bc7 14.Qh3+=.

10.cd5 ed5 11.Ne4 de4 12.Nd2 Bf5 (12...Qa5 13.Rc1+=) 13.g4= Be6 14.Bg2 (14.Ne4 Bc7 15.Rc1 Qh4=) 14...Qh4 15.Ne4 Bc7 16.h3 (16.Rc1 Rad8=) 16...f5+= 17.gf5 Bf5 18.Nd2 (18.Nc5!?=) 18...Ba5+= 19.0-0 Bh3 Attacks the backward pawn on f2 20.Nf3 Qg4 21.Ne1 Qg6 22.Qd3 Rf6 23.Qg6 Rg6 24.Kh2 Bg2 25.Ng2 Rd8 26.Rac1 Rd5 27.Rc2 Kf7 28.Kg1 Rh5 29.Rd1 Bb6 30.Rd3 Ne7 31.e4 Rh4 32.Re2 Nc6 33.a4 h5 34.Bc3 Ke8 35.Bb2 Rhg4 36.f3 Rh4 ½–½. Stapinski,Ryszard (2005) – Scheidig,Lars, corr Memorial ICCF, 2007.

10.Ne4 de4 11.Nd2 f5 (11...Qa5+= 12.Qb3 f5 13.c5 Bb8 14.Bc4+=) 12.c5 Bc7 13.Bc4 b6 14.Nb3 =.

11.0-0 Qa5 12.c5 Bc7 13.Rb1= Bd7 14.Qc1=.

11.0-0 Na5 12.Rc1+= Bd7 (12...Qf6 13.Qa4 Nc6 14.Qb3+=) 13.Qe2 (13.c5 Bc7 14.Qc2=) 13...b6 (13...Nc6 14.Ne5+=) 14.Rb1 (14.cd5 ed5 15.Rfd1 Qe7=) 14...Bc6 15.cd5 Bd5 16.Ne5 (16.Rfc1 Nd2 17.Nd2 Qe7=) 16...Nd2 17.Qd2 Be5 18.de5 Rc8 19.Qe2 Qg5 20.f3 (20.f4 Qg6=) 20...f4 (20...Nc4 21.Bd4+=) 21.ef4= Qf4 (worse is 21...Rf4 22.Bc1+/–) 22.Rbc1 Bc4 23.g3 Bd3 24.Qd3 (24.gf4?? Be2 25.Rf2 Bc4–+) 24...Rcd8 25.Qc3 Qf5 26.Qb4 Rf7 27.f4 Rfd7 28.Bc3 Qd3 29.Be1 Qd5 30.Rc3 Nc6 31.Qc4 Ne7 32.Qd5 Nd5 33.Rc1 Kf7 34.Bb4 Nb4 35.ab4 Ke7 36.b5+= Kf7 37.Rc6 Rd5 38.Rc7 R8d7 39.Rd7 Rd7 40.h4 Kg6 41.Kg2 Kf5 42.Kh3 h5 43.Re1 Rc7 44.Ra1 g6 45.Ra6 ½–½. Baer,Werner (1870) – Milde,Lars (1890), TT–12.49 ETC, 2004.

11.0-0 Qf6 12.Rc1 Bd7 13.cd5 ed5 14.Qb3+=.

11.0-0 Kh8 12.g3 (12.Rb1 b6=) 12...Bd7 13.Ne5 Be5 14.de5 Be8 (14...Nd2 15.Qd2 Na5 16.cd5=) 15.cd5 Qd5 16.Ne4 fe4 17.Be2 Rd8 18.Qd5 ed5 19.Rac1 Bf7 20.Bd4 Be6 21.Bb5 Rc8 (21...Nd4 22.ed4 Rf3 23.Rc7=) 22.Bc5 (22.Bc6!? bc6 23.Ba7+/-) 22...Rf7 23.Bd6 h6 (23...Rf5 24.Be2=) 24.Rc3+= a6 25.Ba4 b5 26.Rfc1 Na7 (26...Ne7 27.Bb3+=) 27.Bb3+/- Rc3 28.Rc3 Nc8 (better 28...Kh7+/-) 29.Kf1 (better 29.Rc6!? Rb7 30.Bc5+-) 29...Nb6= 30.Ke2 (30.Rc6 Nc4 31.Bc4 dc4 32.Bb4 Bh3 33.Ke1+=) 30...Nc4-/+ 31.a4 Rb7 32.ab5 ab5 33.Rc1 Bg4 34.Ke1 Ra7 35.Rb1 Kh7 36.Bd1 (36.Bc5 Rb7=+) 36...Bd1-/+ 37.Kd1 Ra2 38.Ke1 Rb2 (38...Nb2!?=+) 39.Rb2= Nb2 40.Kd2 Kg6 0-1. jhonores (2220) - Stepanyan_Gagik (2320), Rated Blitz game, lichess.org, 2020.

11.Qb3 Na5 12.Qa2 Nd2 13.Nd2 Nc4 14.Nc4 dc4 15.Bc4 Qa5 16.Ke2 Kh8 17.Be6 (better 17.Qb3=) 17...Be6-+ 18.Qe6 Qb5 (better 18...Qa6!? 19.Kd1 Qd3 20.Ke1 Bc7-+) 19.Kf3-/+ Rf6 20.Qa2 f4 (20...f4 21.d5 Rf7 22.Bg7 Kg7-+) 0-1. jhonores (2185) - Zigzazul55 (2090), Rated Blitz game, lichess.org, 2020.

11.cd5 ed5 12.Qb3 Kh8 13.Rc1 Re8 14.0-0=; 11.c5 Be7 12.Rc1 Rb8 13.0-0 b6 14.Nb3=.

10.Bd3= b6 11.0-0 Bb7 12.Qa4 Rac8 13.Rac1 Rfd8 14.c5 bc5=+ 15.dc5 Bb8 16.Bb5 e5= 17.Qh4 h6 18.Rfd1 Qe6 19.Rb1 Nd7 20.Rdc1+= Ne7 21.Qb4 Nc6= 22.Qa4 Rc7 23.Nb3 Rdc8 24.Ba1 f5 25.Qh4+= a6 26.Ba4 g5 27.Qh3 Ba7 28.Ne1 Re8 29.Nd3+= Bb8 30.Re1 Qg6 31.f4 g4 32.Qh4 e4 33.Ne5+/– Nde5 34.Be5 Rcc8 35.Nd4 Be5+= 36.fe5 Ba8 37.Rb6 Re5 38.Bc6 Bc6 39.Reb1 Ree8+/– 40.Nc6 Qg5?? 41.Qg3 d4 42.Qd6 d3 43.Qd5 Kh8 44.Rb7 d2? 45.Ne5?? (45...Qe3 46.Kf1 Qf4 47.Ke2 Re5 48.Qd7 d1Q 49.Rd1 Re7 50.Qe7 Qd2 51.Rd2 Rc5 52.Rd8#; better is 45.Qd4 Kg8 46.Qc4 Kh8 47.Qc3 Kg8 48.Qb3 Kh8 49.Rb6+–) 1–0. Woelfelschneider,Peter (1700) – Zimmermann,Joerg (1700), TT–02.03 TSC, 2002.

10.Bd3 b6 11.0-0 Bb7 12.Re1 Rac8 13.cd5 (White gets deadly initiative) 13...Nd5 14.Qb1 h6 15.Nc4 Bc7 16.e4 Nf4 17.d5 Nd3? (better is 17...Nb8=) 18.Qd3+– Rfd8 (18...Na5 19.d6 Rfd8 20.Qc3+/–) 19.Qc3 (19.Qc3 f6 20.dc6 Bc6 21.Qb3+–) 1–0. Rohde,Friedhelm – Plock,Joerg, corr or02–020, 2002.

10.Bd3= Bd7 11.0-0 =.

10.Bd3 h6 11.0-0 b6 12.Ne5 Be5 13.de5 Nd7 14.cd5 ed5 e5 becomes the focus of attention 15.f4 Nc5 16.Nb3 Nd3 17.Qd3 a5 (better is 17...Rd8!?=) 18.Qd5+/– Bb7 19.Rad1 Rfd8 20.Qb5 Qc7 21.Rc1 a4 22.Nd4 Ra5? (better is 22...Rdc8+–) 23.Rc6 Bc6 24.Qc6 Qb8 (24...Rc5 25.Qc7 Rc7 26.f5+–) 25.e6 Rc8 (25...Rf8+–) 26.ef7 Kf7 27.Qd7 Kg8 (27...Kg6 28.Nc6 Qc7 29.Qc8 Qc8 30.Ne7 Kh7 31.Nc8+–) 28.Nb5 Ra7 29.Na7 Rc7 30.Qe6 Kh8 31.Nb5 1–0. Fournier,Frederic (2445) – Cesardg (2040), Chessworld.net, 2012.

10.Be2 b6 A) 11.h3 A1) 11...Bd7 12.0-0 h6 13.Ne5 Rac8 14.Bd3 Na5 15.cd5 ed5 16.Qf3; A2) 11...h6 12.0-0 (12.Bd3 Bb7 13.0-0 Rac8 14.Qe2 Na5 15.cd5 Nd5 16.Rfc1) 12...Bb7 13.Qa4 Rac8 14.Rac1 Ne4 15.Bd3 Rfe8 16.Rfd1; A3) 11...Bb7 12.Qa4 (12.0-0 Rfc8 13.Qa4 Qd7 14.cd5 ed5 15.Rfc1 Rc7 16.Rc3) 12...Rac8 13.0-0 Qe8 14.cd5 ed5 15.Rac1 h6 16.Ne5; B) 11.Bd3 B1) 11...h6 12.0-0 (12.h3 Bb7 13.0-0 Rac8 14.Qe2 Na5 15.cd5 Nd5 16.Rfc1) 12...Bb7 13.Re1 Na5 14.cd5 Nd5 15.Ne4 Rfc8 16.h3; B2) 11...g6 12.Ne5 (12.0-0 Bb7 13.e4 Ne4 14.Be4 de4 15.Ne4 Na5 16.Nd6) 12...Bb7 13.0-0 Rfd8 14.f4 Rac8 15.Qe2 Rc7 16.Rfc1; B3) 11...Bb7 12.0-0 (12.h3 Rfc8 13.0-0 Na5 14.cd5 ed5 15.Qe2 g6 16.Ne5) 12...Rac8 13.Qe2 Rfd8 14.e4 de4 15.Ne4 Ne4 16.Qe4; C) 11.Qc2 Bb7 12.0-0 Rac8 13.Qa4 Qd7 14.Qc2 h6 15.Rac1 dc4 16.Nc4; D) 11.0-0= D1) 11...Bb7 12.Qa4 (12.Bd3 Rac8 13.Qe2 Na5 14.cd5 Nd5 15.Ne4 Bc7 16.Rac1) 12...Qd7 13.Qb5 Rac8 14.Rac1 Ne7 15.Qd7 Nd7 16.Bd3; D2) 11...g6 12.Rc1 (12.Ne5 Bb7 13.Qa4 Rfc8 14.Rac1 a6 15.Qb3 Rab8 16.f4) 12...Bd7 13.Ne5 Rac8 14.Bf3 Na5 15.Nd7 Qd7 16.c5; D3) 11...h6 12.h3 (12.Qc2 Bb7 13.Bd3 Rac8 14.Ne5 dc4 15.Ndc4 Na5 16.Qe2) 12...Bb7 13.Bd3 Rac8 14.Qe2 Rfe8 15.e4 de4 16.Ne4.

10.Be2 Bd7 A) 11.0-0 A1) 11...Ne4 12.Ne5 Nf6 13.Qb3 Na5 14.Qc2 Nc4 15.Bc4 Rac8 16.Qb3; A2) 11...g6 12.Ne5 (12.h3 Kg7 13.Ne5 Rac8 14.Bd3 Rfd8 15.c5 Bc7 16.Rc1) 12...Rac8 13.c5 Bc7 14.f4 Ba5 15.Bd3 Ne5 16.fe5; A3) 11...Rac8 12.Ne5 (12.h3 Ne4 13.c5 Bc7 14.Qc2 f5 15.Qb3 Rb8 16.Qc2) 12...b6 13.Qc2 Na5 14.Bc3 Nc4 15.Ndc4 dc4 16.Bb4; B) 11.Qc2 B1) 11...h6 12.0-0 (12.Ne5 Rac8 13.c5 Bc7 14.0-0 Rfd8 15.Nd7 Rd7 16.f4) 12...Rac8 13.Ne5 Rfe8 14.f4 Bc7 15.Bf3 Bd6 16.Bc3; B2) 11...Rfc8 12.c5 Bc7 13.0-0 e5 14.Rab1 Rab8 15.de5 Ne5 16.Rfc1; B3) 11...e5 12.cd5 Nd5 13.Qb3 Nb6 14.Ne4 Be6 15.Qb5 ed4 16.Nd6; C) 11.Bd3 C1) 11...Rfc8 12.0-0 (12.Ne5 h5 13.Nd7 Qd7 14.Qf3 Re8 15.h3 Bc7 16.0-0) 12...b6 13.Ne5 Be8 14.f4 Bd7 15.Nd7 Qd7 16.Rc1; C2) 11...h6 12.0-0 (12.Ne5 Be8 13.0-0 Rc8 14.Qf3 Kh8 15.Rfc1 Bc7 16.cd5) 12...Rad8 13.Re1 Ra8 14.e4 Ne4 15.Ne4 de4 16.Re4; C3) 11...g6 12.0-0 Rac8 13.Ne5 Rfd8 14.c5 Bc7 15.f4 Ba5 16.Nb3; D) 11.h3 D1) 11...Rab8 12.0-0 (12.Bd3 Na5 13.c5 Bc7 14.0-0 b6 15.cb6 Rb6 16.Bc3) 12...Rfc8 13.Ne5 Be8 14.cd5 Nd5 15.Ne4 Bc7 16.Nf3; D2) 11...h6 12.0-0 (12.Qc2 e5 13.cd5 Nd5 14.Qb3 Nb6 15.Ne4 Be6 16.Qb5) 12...Rfc8 13.Ne5 Be8 14.Bd3 Be5 15.de5 Nd7 16.cd5; D3) 11...Rac8 12.0-0 (12.c5 Bc7 13.0-0 b6 14.cb6 Bb6 15.Rb1 h6 16.Ne5) 12...h6 13.Bd3 Bc7 14.Rc1 Bd6 15.c5 Bc7 16.Ne5.

10.Be2 Rd8 A) 11.c5 A1) 11...Bb8 12.0-0 (12.Qc2 e5 13.de5 Ne5 14.0-0 Nf3 15.Bf3 Be5 16.Rab1) 12...e5 13.de5 Ne5 14.Qc2 Nf3 15.Bf3 Be5 16.Rab1; A2) 11...Bc7 12.Qc2 (12.0-0 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Qe5 16.Rc1) 12...Bd7 13.0-0 h6 14.Rab1 b6 15.Nb3 Ne4 16.Nfd2; B) 11.Qb3 B1) 11...b6 12.0-0 (12.Rc1 Na5 13.Qc2 dc4 14.Nc4 Nc4 15.Qc4 Bb7 16.0-0) 12...Bb7 13.cd5 ed5 14.Rac1 Rac8 15.h3 h6 16.Rfe1; B2) 11...h6 12.0-0 (12.Rc1 Na5 13.Qc2 dc4 14.Nc4 Nc4 15.Qc4 b6 16.Ne5) 12...b6 13.Rac1 Na5 14.Qc2 Ba6 15.e4 de4 16.Ne4; B3) 11...Na5 12.Qc2 (12.Qd3 dc4 13.Nc4 Nc4 14.Qc4 Bd7 15.0-0 Rac8 16.Qb3) 12...dc4 13.Nc4 Nc4 14.Qc4 Bd7 15.0-0 Rac8 16.Qb3; C) 11.Qc2 C1) 11...Bc7 12.0-0 (12.Bd3 e5 13.cd5 Rd5 14.0-0 ed4 15.ed4 Be6 16.Rfe1) 12...e5 13.cd5 Nd5 14.Rfd1 Bg4 15.h3 Bh5 16.Bd3; C2) 11...Bd7 12.0-0 (12.c5 Bc7 13.0-0 h6 14.Rab1 Rab8 15.Ne5 Ne5 16.de5) 12...h6 13.e4 Bc7 14.cd5 ed5 15.e5 Rdc8 16.Bd3; C3) 11...e5 12.de5 (12.c5 Bc7 13.de5 Ne5 14.0-0 Bg4 15.h3 Bf3 16.Nf3) 12...Ne5 13.0-0 Nc4 14.Nc4 dc4 15.Bc4 h6 16.Nd4; D) 11.0-0 D1) 11...Bd7 12.Ne5 (12.Bd3 b6 13.Ne5 Be8 14.Rc1 Rac8 15.Ndf3 Ba3 16.Ba3) 12...h6 13.Nd7 Qd7 14.Rc1 Rac8 15.h3 Ne7 16.c5; D2) 11...Rb8 12.Bd3 (12.Qb3 Bd7 13.Ne5 Na5 14.Qc2 Nc4 15.Ndc4 dc4 16.Nc4) 12...Bd7 13.Ne5 g6 14.f4 Rbc8 15.e4 de4 16.Be4; D3) 11...b6 12.Rc1 (12.Bd3 Ba6 13.Qc2 Rac8 14.Bc3 e5 15.Bf5 Rc7 16.Qb2) 12...Bd7 13.Ne5 Rac8 14.Nd7 Qd7 15.cd5 Nd5 16.Qa4.

10.Be2 e5 11.cd5 Nd5 12.Ne4 (12.Qb3 Nf6 13.d5 e4 14.dc6 (14.Nh4 Ne5 15.0-0 Bd7 16.Rac1) 14...ef3 15.Bf3 bc6+= 16.Qc3) 12...ed4 (12...Bc7 13.Ne5 Ne5 14.de5= Be5 15.Be5 Qe5 16.Qd4) 13.Nd6 Qd6 14.Nd4 Rd8 (14...Be6 15.0-0 Rac8 16.Rc1) 15.Nc6 (15.0-0 Ne5 16.Rc1) 15...Qc6 (better is 15...bc6!? 16.Qd4+= 0.26/9 (16.Qc2 a5+=)) 16.Qd4+/– Qf6 17.0-0 (17.Qf6 Nf6 18.Bf6 gf6+/–) 17...Nf4 (17...Qd4 18.Bd4 b6 19.Rfd1+=) 18.Qf4 Qb2 19.Bc4 (19.Bf3 h6+=) 19...Be6 20.Be6 fe6 21.Rab1 Qa3 22.Rb7 Qf8 23.Qc4 Qf6 24.Qa6 Rd2 25.Ra7 Rf8 26.Ra8 h6 27.Rf8 Kf8 28.Qc8 Kf7 29.h3 Kg6 30.Qc1 Rb2 31.e4 Qd4 32.Qf4 Kh7 33.Re1 Re2 34.Re2 Qd1 35.Kh2 Qe2 36.f3 Kg8 37.Qc7 Qe3 38.h4 Qe1 39.Qb8 Kf7 40.Qf4 Kg8 41.Qg4 Kf7 42.h5 Qf2 43.Qg6 Kf8 44.Qe6 Qh4 45.Qh3 Qf4 46.Qg3 Qe3 47.Qg4 Qe2 48.Qf4 Ke7 49.Qe5 Kf7 50.Qf5 Ke7 51.e5 Qe1 52.Qe4 Qc1 53.Qg4 Kf8 54.f4 Qe1 55.Qg3 Qe2 56.Qf3 Qe1 57.Kh3 Kf7 58.Kg4 Ke6 59.Qc6 Kf7 60.Qd5 Kf8 61.Kf5 Qb1 62.Ke6 (62.Ke6 Kg8 63.Kd7 Kh7 64.e6+–) 1–0. Kulicov,O (2405) – Stiri,A (2180), 10th Heraclion Open, 2006. (=1.a3 c5 2.b4 e6 3.Bb2 Nf6 4.bc5 Bc5 5.e3 Nc6 6.Nf3 0-0 7.c4 d5 8.d4 Bd6 9.Nbd2 Qe7)

10.Be2 g6 A) 11.h3 A1) 11...Kg7 12.0-0 (12.Bd3 Bd7 13.0-0 Bc7 14.Rc1 Bd6 15.Qb3 Na5 16.Qa2) 12...Bd7 13.Ne5 Rac8 14.Bd3 Rfd8 15.c5 Bc7 16.Rc1; A2) 11...Bd7 12.0-0 Rfc8 13.Ne5 b6 14.Bd3 Be8 15.Qe2 Rc7 16.e4; A3) 11...b6 12.0-0 (12.Qc2 Bb7 13.0-0 Rab8 14.Bd3 Rfc8 15.Ne5 Na5 16.Qd1) 12...Bb7 13.Qa4 Rac8 14.Rac1 Ne4 15.Bd3 a6 16.Qb3; B) 11.Bd3 B1) 11...b6 12.h3 (12.0-0 Bb7 13.Ne5 Rac8 14.f4 Na5 15.Qe2 Ne4 16.Be4) 12...Re8 13.0-0 Bb7 14.Qa4 Rac8 15.Rfc1 Qd7 16.c5; B2) 11...Rd8 12.0-0 Bd7 13.g3 Re8 14.Ne5 Red8 15.Nd7 Rd7 16.Qf3; B3) 11...e5 12.cd5 Nd5 13.Be4 Nf6 14.Bc6 e4 15.Ne4 Ne4 16.Be4; C) 11.0-0 C1) 11...Rb8 12.Ne5 (12.Qb3 b6 13.Ne5 Bb7 14.cd5 ed5 15.Ndf3 Ne4 16.Bd3) 12...Bd7 13.Qc2 Rfd8 14.c5 Bc7 15.f4 b6 16.Nd7; C2) 11...b6 12.Ne5 (12.Qb3 Na5 13.Qd1 Bd7 14.Ne5 Rac8 15.f4 Nc4 16.Ndc4) 12...Bd7 13.Qc2 Rac8 14.Bc3 Rfd8 15.f4 Rc7 16.Rf3; C3) 11...Bd7 12.Ne5 (12.Bd3 Bc7 13.e4 Rac8 14.ed5 ed5 15.Re1 Be6 16.Ng5) 12...Rad8 13.Qc2 Bc7 14.Qb3 Rb8 15.cd5 ed5 16.Nd7.

10.Be2 h6 A) 11.0-0 A1) 11...Re8 12.Qc2 (12.Qb3 b6 13.Ne5 Bd7 14.cd5 ed5 15.Ndf3 Na5 16.Qa2) 12...Bd7 13.Ne5 Rac8 14.c5 Bc7 15.Bc3 Ne5 16.de5; A2) 11...Bd7 12.Qc2 (12.Bd3 Rab8 13.Ne5 Rbc8 14.Qf3 Rfd8 15.Nd7 Rd7 16.Rfc1) 12...Rac8 13.c5 Bc7 14.Ne5 Rfd8 15.Nd7 Rd7 16.Bd3; A3) 11...b6 12.Bd3 (12.h3 Rb8 13.Bd3 Bb7 14.Re1 Rbd8 15.cd5 ed5 16.e4) 12...Bb7 13.Re1 Na5 14.cd5 Nd5 15.Ne4 Rac8 16.Nd6; B) 11.Bd3 Qc7 (11...b6 12.0-0 Bb7 13.Re1 Na5 14.cd5 Nd5 15.Ne4 Rfc8 16.h3; 11...Rd8 12.0-0 Bd7 13.Re1 Na5 14.c5 Bc7 15.Qc2 Nc6 16.h3) 12.Rc1 (12.0-0 Bd7 13.Rc1 Qb6 14.Qc2 Qa5 15.Nb3 Qc7 16.cd5) 12...Qe7 13.Qb3 Na5 14.Qc3 Nc6 15.0-0 Bd7 16.e4; C) 11.h3 C1) 11...Ne4 12.Qc2 Nd2 13.Qd2 Bd7 14.0-0 Rad8 15.Bd3 dc4 16.Bc4; C2) 11...b6 12.0-0 (12.Qc2 Bb7 13.0-0 Rac8 14.Qa4 Qd7 15.Qb5 Na5 16.Qd7) 12...Bb7 13.Qa4 Qd7 14.Qb5 Rac8 15.Rac1 Ne7 16.Qd7; C3) 11...Bd7 12.0-0 Rad8 13.Bd3 b6 14.Ne5 Rc8 15.Qf3 Rc7 16.Nd7; D) 11.Qc2 D1) 11...Bc7 12.0-0 (12.Rc1 Bd7 13.0-0 Bd6 14.Ra1 Ng4 15.h3 Nf6 16.Ne5) 12...Bd7 13.Ne5 Rac8 14.Qb3 dc4 15.Qb7 c3 16.Bc3; D2) 11...Rd8 12.0-0 Bd7 13.e4 Ne4 14.Ne4 de4 15.Qe4 Qf6 16.Bd3; D3) 11...e5 12.cd5 Nd5 13.Nc4 ed4 14.Nd6 Qd6 15.Nd4 Bd7 16.Nc6.

10.c5 Bc7 11.Bb5 Bd7 12.0-0 e5 (12...Qe7 13.h3=) 13.Bc6+= bc6 14.de5 (14.Ne5 Rb8 15.Bc3 Be5 16.de5 Ng4+/-) 14...Ng4 15.Qa4 Ne5 16.Bd4 (16.Ne5 Be5 17.Be5 Re5=) 16...Ng4 (16...Nf3 17.Nf3 Qc8 18.Rfb1=+) 17.h3= Ne5 (17...Nf6 18.Rfb1=) 18.Rab1 (18.Ne5!? Be5 19.Be5 Re5 20.Rfb1=) 18...Nf3=+ 19.Nf3 Bf5 20.Rb7 Bd3 (20...Qc8 21.Ra7 (21.Qc6?? Bh2 22.Kh2 Qc6-+) 21...Ra7 22.Qa7=+) 21.Ra1 (21.Qc6!? Rc8 22.Qa4 Bf1 23.Kf1+=) 21...Bb5 22.Rb5 cb5 23.Qb5 Qb8 (23...Rb8 24.Qa4=+) 24.Qc6 Qd8 25.a4 (25.Qb5 Rb8 26.Qa4 a5=) 25...Rc8 (25...Rb8 26.Qa6=+) 26.Qb7 (26.Qa6 Re6 27.Qd3 Rb8=) 26...Bb8 (26...a5 27.Qb1=+) 27.a5 (27.Rc1 f6=) 27...Re6 28.a6 (better 28.Ng5 Re7 29.Qb1=) 28...Rcc6?? (28...Bc7 29.Qb1=+) 29.Rb1?? (better 29.Ng5! Rc7 30.Ne6 fe6 31.Qb4+-) 29...Rc8= 30.Ra1 (30.Ng5 Re7 31.Qb3 f6=) 30...h6 (30...Bc7 31.Qb1=+) 31.Rb1 (31.h4 Bc7 32.Qb1 Qd7=+) 31...g5 (better 31...Bc7 32.Rb2 Rb8 33.Qa7 Ra8=+) 32.Rc1?? (32.Qb5 Qe8 33.Qd3 Qa4+=) 32...Qc7?? (better 32...Rb6! 33.Qa8 f5-+) 33.Qd5 Rd8 (33...Qc6 34.Qb3+=) 34.Qf5 (better 34.Qb7 Qc6 35.Ra1+/-) 34...Qc6?? (34...Qc8 35.h4 Ra6 36.Qc8 Rc8 37.hg5 hg5 38.Ng5=) 35.h4 (better 35.Ng5 hg5 36.Qg5 Kf8 37.Qd8 Qe8 38.Qh4+-) 35...Rd5 Attacking the isolated pawn on c5 (35...Qd5 36.Qd5 Rd5+=) 36.Qg4 (better 36.Qh3 gh4 37.Nh4 Qa6 38.Nf5+/-) 36...Rg6?? (36...f5 37.Qh5 g4 38.Nd2=) 37.h5?? (better 37.hg5 Rd8 38.Qh4+-) 37...Re6 (37...f5 38.Qh3 g4 39.Qh1=+) 38.Rb1 (better 38.e4 Rd7 39.e5=) 38...Rd8?? (better 38...Bc7 39.Nd2 Qa6=) 39.Ng5!+- hg5 (39...hg5 40.Qg5 Double attack) 40.Qg5 Kf8 41.Qg7 (better 41.Qd8 Qe8 42.Qb8 Qb8 43.Rb8 Ke7 44.Rb6 ab6 45.cb6+-) 41...Ke8?? (better 41...Ke7 42.f4 Bc7+/-) 42.Rb8!+- Rb8 (42...Rb8 43.Qh8 Double attack (43.Qh8 Decoy)) 43.Qg8 (43.Qh8 Ke7 44.Qb8 Qd7+-) 43...Kd7 (43...Ke7 44.Qb8 Qa4 45.Qa7 Ke8 46.Qa8 Ke7 47.Qd5 Qa6 48.Qg5 Kd7 49.Qg7+-) 44.Qb8 Qc7 (44...Qa4 45.Qa7 Ke8 46.Qa8 Ke7 47.Qd5 Qa6 48.Qg5 Kd7 49.Qg7+-) 45.Qf8 Kc6 (45...Qc6+-) 46.h6 Kb5 (46...f6+-) 47.h7 Ra6 48.Qe8 Kc4 49.g3 (better 49.h8Q Qc6 50.Qf7 Qe6 51.Qhh5 Ra4 52.Qe2 Kd5 53.Qb7 Qc6 54.Qb3 Rc4 55.Qbc4 Ke4 56.Qf3) 49...Rh6 50.h8Q (better 50.h8R Rh8 51.Qh8+-) 50...Qc6 (50...Rh8 51.Qh8 a5+-) 51.Qc6 (51.Qf7 Qe6 52.Qe6 Re6 53.Qg8 Kd5 54.Qf7 a5 55.Qd7 Kc4 56.Qe6 Kb4 57.c6 Kb5 58.Qd5 Kb4 59.c7 Ka4 60.c8Q Kb4 61.Qce6 a4 62.Qe7) 51...Rc6 52.Qg7 a5 53.Qf7 Kd3 (53...Kb5 54.Qb7 Ka4 55.Qc6 Kb4 56.Qb7 Kc4 57.c6 Kd5 58.c7 Kc4 59.c8Q Kd3 60.Qf3 a4 61.Qc3) 54.Qd5 (54.Qd5 Ke2 55.Qc6 a4 56.Qa6 Kf3 57.c6 a3 58.c7 a2 59.Qa2 Kg4 60.Qd5 Kh3 61.c8Q) 1-0. Bendega (2025) - Jack_Setengah (2005), lichess.org, 2021.

10.c5 Bc7 11.Bd3 e5 12.de5 Ne5 13.Ne5 Be5 14.Be5 Re5 15.0-0 Bg4 16.Qb3 Rb8 17.h3 Bh5 18.Rfc1 Ne4 19.Be4 de4 20.Nc4?? (better 20.Qb4 a5 21.Qb2+=) 20...Rc5-+ 21.g4 Bg6 22.Rd1 Qc7 (22...Qh4 23.Qb4 b6 24.Nd6-+) 23.Nd2 (23.Nd6 h5 24.Rd5 Rd5 25.Qd5 hg4 26.hg4 Qd7-/+) 23...Rc8 24.Rab1 b6 25.Nf1 h5 26.g5? (26.Rd5-+) 26...Rg5 27.Kh1 Re8 (27...Qc6!? 28.h4 Rc5 29.Qb2-+) 28.Qa4 Qe5 29.Rd5 (29.Nh2 Rf5 30.Rd2 Qe7-+) 29...Qd5 30.Qe8 Kh7 31.Rc1 (31.Qe7-+) 31...Qf5 32.Ng3 Qh3 (32...Qf2 33.Qb8 Rg3 34.Qg3 Qg3 35.Rb1 Qh3 36.Kg1 Qe3 37.Kf1 Qd3 38.Kg1 Qb1 39.Kg2 Qb2 40.Kg3 h4 41.Kh4 Qf2 42.Kg4 Kh6 43.a4 Bf5) 33.Kg1 Rg3 34.fg3 Qg3 35.Kh1 (35.Kf1 Qf3 36.Ke1 Qe3 37.Kd1 Qd4 38.Ke2-+) 35...Qh3 36.Kg1 Qe3 37.Kh1 (37.Kf1 Qc1 38.Ke2 Qc2 39.Kf1 Qd1 40.Kg2 Qd2 41.Kg1 e3 42.Qe5 Qf2 43.Kh1 e2 44.a4 e1Q 45.Qe1 Qe1 46.Kg2 Be4 47.Kh3 Qf2 48.a5 Bf5) 37...Qc1 38.Kh2 (38.Kg2 Qd2 39.Kg1 e3 40.Qe7 Qf2 41.Kh1 e2 42.Qe5 e1Q 43.Qe1 Qe1 44.Kg2 Be4 45.Kh3 Qf2 46.a4 Bf5) 38...Qd2 39.Kh1 Qe1 (39...e3 40.Qe5 e2 41.Kg1 e1Q 42.Qe1 Qe1 43.Kg2 Be4 44.Kh2 h4 45.Kh3 Qg3) 40.Kh2 (40.Kg2 Qe2 41.Kg1 e3 42.Qe7 Qf2 43.Kh1 e2 44.a4 e1Q 45.Qe1 Qe1 46.Kg2 Be4 47.Kh2 h4 48.Kh3 Qg3) 40...e3 41.a4 (41.Qe5 e2 42.Qf4 Qc3 43.Qg3 e1Q 44.Qe1 Qe1 45.Kg2 Be4 46.Kh3 Qf2 47.a4 Bf5) 41...Qf2 42.Kh3 (42.Kh1 e2 43.Qe7 e1Q 44.Qe1 Qe1 45.Kg2 Be4 46.Kh3 Qf2 47.a5 Bf5) 42…Bf5 0-1. carlos78 (2255) - arpouille (2025), Rated Blitz game, lichess.org, 2015.

10.c5 Bc7 11.Be2 e5 12.0-0 (12.Ne5!? Ne5 13.de5=) 12...e4+= 13.Ne1 Bd7 14.g3 (14.Rb1 Bb8=) 14...Ne7 15.Ng2 Ng6 16.f3 b6 17.fe4 Ne4 18.Ne4 de4 (worse is 18...Re4 19.Bf3+/–) 19.Bc4 Rf8 20.Bd5 (20.cb6 ab6 21.Qc2 Ne7 22.Qe4 b5+/–) 20...Ba4 (20...Rb8!? 21.Qc2 bc5 22.Be4 cd4 23.Bd4 Bb6+=) 21.Bf7!+/– (21.Qa4?! Qd5 22.Rac1 Rfc8=) 21...Rf7 22.Qa4 Rf1 23.Rf1 Qd5 24.Qc2 Re8 25.cb6 Bb6 26.Nf4 Nf4 27.Rf4 Attacks the isolani on e4 27...h6 28.Kg2 Qe6 29.Rf2 Rc8 30.Qd1 Qd5 31.Qg4 Rc7 32.Qg6 Re7 33.Bc3 Ba5 34.Ba5 Qa5 35.Rc2 Qd8 36.Qa6 Kh7 37.Qb5 Qf8 38.Rf2 Rf7 39.Rf7 Qf7 40.Qf1 Qa2 41.Qf2 Qb1 42.h4 h5? 43.Qf5+– g6 44.Qf7 Kh6 45.d5?? Qa2+= 46.Kh3 Qb1 47.Qf8 Kh7 48.Qf7 ½–½. Fournier,Frederic (1780) – Lucas,Bernard (1810), FRA Ch (Team) N4 Senlis–Chauny–SaintQue, 2001.

10.Bd3 dc4 11.Nc4 Bc7 12.0-0 b5 (12...Bd7!?+=) 13.Nce5+/- White launches an attack 13...Ne5 14.de5 (14.Ne5?! Bb7=) 14...Nd7 15.Qc2 h6 16.Rfd1 (16.Bb5 Bb7 17.Rad1 Re7+-) 16...a6+/- 17.Bh7 Kh8 18.Be4 Rb8 19.Nd4 Bb7 20.Nc6 Bc6 21.Bc6 Re7 22.Rac1 Bb6 23.Qe2 Rc8 24.a4 ba4? (24...Ba5+-) 25.Qa6 (25.Ba4?! Rc1 26.Bc1 Qc8+=) 25...Rc7 (25...Qe8 26.Qa4 Rc7+-) 26.Qb6! (26.Qb6 Nb6 27.Rd8 Kh7 28.Ba3 Rc6 29.Rc6+-) 1-0. Maestro – Nibbi, internet, 2020.

10.Bd3 e5 11.cd5 Nd5 12.Bb5 e4=+ 13.Ng1 (13.Ne5!? Be5 14.de5 Ne5 15.Be8 Nd3 16.Kf1 Qe8 17.Bd4=+) 13...Qg5-/+ 14.g3 (14.Bc6 bc6 15.g3 Qe7-/+) 14...Bg4 (14...Ne3 15.fe3 Qb5 16.Qb3-+) 15.Qc2 (15.Qb3 Rac8-/+) 15...Rac8 (15...Ne3 16.fe3 Qb5 17.Nc4-+) 16.Ne4 (better 16.Qb3-/+) 16...Qf5 17.Bd3 Nd4 (17...Ncb4 18.Qb3 Nd3 19.Qd3 Re4 20.Ne2-+) 18.Qb1? (18.Qc8 Rc8 19.Bd4-+) 18...Nf3 19.Kf1 (19.Nf3 Qf3 20.Kd2 Re4-+) 19...Re4! 20.Be4 (20.Be4 Nd2 Double attack (20...Nc3 Decoy)) 20...Qe4! 21.Qe4 Nd2 22.Kg2 Ne4 23.Rc1 Rc1 24.Bc1 Nc5 25.f3 Be6 (25...Nd3 26.Ne2 Nc1 27.Rc1 Ba3 28.Ra1 Ne3 29.Kf2-+) 26.e4 Nc3 27.Nh3 Nd3 28.Bd2 Bh3 29.Kh3 Nf2 30.Kg2 Nh1 31.Bc3 Ng3! 32.hg3 Ba3 33.f4 (33.Kf2 b5 34.Ba5 b4-+) 33...f6 34.Kf3 Kf7 35.Ke3 Bc5 36.Kd3 Ke6 37.Kc4 Kd6 (37...Bd6!? 38.Kb5-+) 38.e5 fe5 39.Be5 Kc6 40.Bg7 b5 41.Kb3 a5 Black intends b4 42.f5 a4 43.Ka2 Kd5 44.g4 b4 45.g5 (45.Kb2-+) 45...b3 46.Kb1 Kd6 (better 46...Ke4 47.g6 hg6 48.fg6-+) 47.g6? (better 47.Bf8 Ke5 48.Bc5 Kf5 49.Be3=) 47...hg6-+ 48.fg6 Ke6 49.Bc3 a3 50.g7 Kf7 51.Ka1 Be3 (better 51...Kg8-+) 52.Bb4?? (better 52.Bb2 a2 53.Be5-/+) 52...Bd4 53.Kb1 a2 54.Kc1 a1Q (54...a1Q 55.Kd2 b2 56.Kd3 b1Q 57.Kc4 Qa6 58.Kd4 Qbd3 59.Ke5 Qf6) 0-1. karo54 (2035) - jonjon (2040), Rated Blitz game, lichess.org, 2013.

10.Bd3 e5 11.cd5 Nd5 12.Qc2 Nf6 (12...ed4 13.Bd4 Nd4 14.Nd4+= (14.Bh7? Kh8 15.Nd4 Qh4–+)) 13.Ne4 (13.d5 Ne7 14.e4 Ng6=) 13...Ne4 14.Be4 ed4 15.Bh7 (15.Bc6 bc6 16.Nd4 c5+=) 15...Kh8 16.Nd4 Nb4?? (better is 16...Nd4 17.Bd4 Qh4–/+) 17.ab4+– Qh4 18.Bf5 (18.Bd3 Re3 19.Kf1 Re8+–) 18...Re3 19.Kf1 Re8 20.Re1 (better is 20.Qd3!? Rd8 21.Rc1 Qh5+–) 20...Re1 (20...Bf5 21.Re8 Re8 22.Qf5 (22.Nf5 Bb4 23.Bg7 Kg8–+) 22...Bb4 23.g3+–) 21.Ke1 Bf5 22.Qf5 (22.Nf5 Bb4 23.Ke2 Re8 24.Kf3 Qh5 25.g4 Qh3 26.Ng3 a5+–) 22...Bb4 (22...Re8 23.Kd1 Bb4 24.g3+–) 23.Kf1 (23.Ke2 Re8 24.Kf3 Be1+–) 23...Re8 (23...Kg8 24.Qe5+–) 24.g3 Qe7 (24...Qe4 25.Qe4 Re4 26.Kg2+–) 25.Kg2 b6 (25...Qe4 26.Qe4 Re4 27.Nf5+–) 26.Qg4 Qe4 27.Qe4 Re4 28.Kf3 Re5 29.g4 Rc5 30.Rc1 a5 31.Rc5 Bc5 32.Nb5 f6 33.Bd4 Bd4 34.Nd4 a4 35.Nb5 Kg8 36.h4 Kf7 37.Ke4 Ke7 38.Kd5 (38.Kd5 f5 39.g5+–) 1–0. Garbacki,Michal – Piszcz,Kazimierz, corr 1. AMM Poland, 1992.

10.Bd3 e5 11.cd5 e4 12.Be4 Ne4 13.Ne4 Ne7 14.Nc3 Bg4 15.0-0 Ng6 16.h3 Bf5 17.Re1 Qf6? (better is 17...Qb6 18.Ra2 Bd7+–) 18.e4 Bh3 19.e5 Qf4 (19...Qf5 20.gh3 Nf4+–) 20.gh3 (20.ed6?! Re1 21.Ne1 Bd7+–) 20...Be7 21.d6 Bh4 (21...Bd8+–) 22.Re4 Qh6 23.Nh4 Nh4 24.Bc1 Qg6 25.Rg4 Qh5 (25...Qe6 26.Rh4 Rad8+–) 26.Rg7! Kg7 27.Qh5 1–0. b4_player – verry, casual, 2013.

10.Bd3 h6 11.0-0 e5 12.cd5 Nd5 (12...e4 13.Ne4 Ne4 14.dc6 bc6 15.Qc2 Bf5 16.Ne5 Be5) 13.Be4 Nf6?? (better is 13...Bc7+= 14.Qb3 Nf6 15.Bc6 bc6 16.Ne5 Be5; 13...Be6 14.de5 Be7 15.Qe2 Qb6 16.Nc4 Qa6) 14.Bc6+– bc6 15.de5 (15.Ne5?! Ba6 16.Re1 c5+/–) 15...Ba3 (15...Ba6 16.Re1 Qb8 17.Qc2 (17.ef6?! Qb2 18.fg7 Qg7+/–; 17.ed6?! Qb2 18.e4 Bd3+–) 17...Be5 18.Be5 Re5 19.Ne5 Qe5 20.Qc6+–) 16.Ba3 (16.ef6 Bb2 17.fg7 Ba1 18.Qa1 f6+=) 16...Nd5 17.Bc5 (17.Qc2 Re6+–) 17...Bg4 18.Qa4 Re6 (18...Qc8+–) 19.Qg4 1–0. Barreiro Pineiro,J (1975) – Pena Torres,J (2150), Adolfo Pedrido Mem, Vilagarcia de Arous, 2006.

10.cd5 ed5 11.Bb5 a6 12.Bc6 bc6 13.0-0 Ne4 14.Qc2 Nd2 15.Nd2 Bg4 16.Qc6 Rc8 (better 16...Qb8 17.Rfb1 Bh2 18.Kh1 Bf5 19.Qd5 Bb1 20.Rb1 Bd6-/+) 17.Qa6+/- Qh4?? (17...Ra8 18.Qd3+=) 18.g3 (18.Qd6!? Rc2 19.Bc1 Rd8+-) 18...Qh5?? (better 18...Qe7+/-) 19.Qd6+- Rc2 20.Bc3! Rc3 21.Rfc1 Rd3 22.Rab1?? (better 22.Qb4 Ra8 23.Rab1+-) 22...Qh3?? (better 22...Rd2 23.Rb8 f6=+) 23.Nf1?? (better 23.Rb8 Bd7 24.Nb3+-) 23…Bf3 (23...Bf3 24.Qf8 Rf8 25.Nd2 Qg2) 0-1. alessandrocarvalhaes (1820) - reay (1890), lichess.org, 2020.

10.cd5 ed5!? 11.Bd3 Bg4=.

10.cd5 ed5 11.Be2 Qb6 12.0-0?? (better 12.Qb3=) 12...Qb2-+ 13.Rb1 (13.Qc1 Qb6-+) 13...Qc3 (13...Qa3 14.Ra1 Qc3 15.Bb5-+) 14.Nb3 (14.Rb3 Qa5 15.Qc2 Re7-+ (15...Ba3?! 16.Ra1=+)) 14...Na5 (14...Ba3!? 15.Nc5 Bc5 16.Rc1-+) 15.Na5 Qa5 16.Qb3 (16.a4 Re7-+) 16...Qd8 (16...Qa3!? 17.Qc2 Qa5 18.Rfc1-+) 17.Rfc1 b6 18.Bb5 Rf8 (18...Bd7 19.a4-+) 19.h3 Bf5 20.Rb2 (20.Bd3 Bd3 21.Qd3 Qe7-+) 20...Be4 (20...Rc8 21.Ra1-+) 21.Nd2 h6 (21...Rc8 22.Bc6-+) 22.f3 (22.Ne4 de4 23.Rbc2 Qe7-+) 22...Bg6 23.Kf1 (23.Re1 Qe7-+) 23...Nh5 (23...Rc8 24.Re1-+) 24.g4 (24.Ra1 Ng3 25.Kf2 Qh4-+) 24...Nf6 25.Bc6 Rc8 26.Rc3 Qe7 27.Ke2 (27.h4 Qe6-+) 27...Ba3! 28.Qa3 Qa3 29.Ra3 Rc6 30.Ra7 Rb8 (30...Rc3 31.Rb3 Bd3 32.Ke1-+) 31.Rb5 (31.f4 Bc2-+) 31...Rc3 32.f4 (32.Rb3 Bd3 33.Ke1-+) 32...Bd3 33.Kd1 (33.Kf2 Bb5 34.g5 Re8 35.gf6 Ree3-+) 33...Bb5 34.g5 hg5 (34...Nh5 35.h4-+) 35.fg5 Nh5 36.h4 Re3 37.g6 fg6 38.Nc4 Bc4 39.Rd7 Ra8 40.Kd2 (40.Re7 Re7 41.Kd2 Ra2 42.Kc3 Re3 43.Kb4 Rb3) 40...Ra2 (40...Re2 41.Kc3 Ra3 42.Kb4 Rb3 43.Ka4 Ra2) 41.Ke3-+ Rh2 42.Kf3 Rh4 43.Rb7 Rd4 (43...b5 44.Ke3-+) 44.Ke3 (44.Rb6 g5 45.Kg2 Kf7-+) 44...Re4 45.Kf3 (45.Kf3 b5 46.Rc7-+). carlos78 (2215) - tobogan (2175), Rated Blitz game, lichess.org, 2015.

10.cd5 Nd5 11.Bd3 Bd7 12.0-0 Rc8 13.Re1 Qf6 (13...Be7 14.Qb1 f5 15.e4 fe4 16.Ne4+=) 14.Ne4+= Qe7 15.Ned2 (15.Nd6 Qd6 16.Ne5 Ne5 17.de5 Qe7+=) 15...Nf6 16.e4 Bc7 17.e5 (17.Qb1 e5+=) 17...Nd5= 18.g3 (18.Be4 Red8=) 18...Bb6 19.Qe2 a6 20.Qe4 g6 21.Qg4 h6 (21...Rf8 22.Nc4=) 22.Qh3 Kg7 23.Ne4 Bc7 24.Nc5 Rb8 (24...Nd8 25.Bc1 Rh8 26.Re4+=) 25.Re4 Rh8 26.Rh4 a5 27.Re1 f6? (27...Bd8+=) 28.Qg4?? (better 28.ef6 Qf6 29.Nd7 Qf3 30.Nb8 Bb8 31.Qe6+-) 28...g5 (28...f5 29.Qh3 g5-/+) 29.Rh5 (better 29.Nd7!? f5 30.Bf5 ef5 31.Qf5+-) 29...f5=+ 30.Qh3 Be8?? (better 30...Bb6 31.Bc4 Bc5 32.dc5 Qc5 33.Bd5 Qd5-+) 31.g4?? (better 31.Ng5 Nd8 32.Qh4 Bh5 33.Nge6 Ne6 34.Qe7 Ne7 35.Ne6 Kg6 36.Nf4 Kf7 37.e6 Ke8 38.Nh5+-) 31...Bh5 (31...Nf4 32.Qg3 fg4 33.Rg5 hg5 34.Ng5-+) 32.Qh5? (better 32.gh5 Nf4 33.Ne6 Qe6 34.Qf5 Qf5 35.Bf5-+) 32...Nf4 33.h4 (33.Ne6 Qe6 34.Ng5-+) 33...Nh5 34.gh5 g4 35.Nh2 (35.Nd2 Bb6 36.Ndb3 Bc5 37.Nc5 b6-+) 35...Qh4 (better 35...Bb6 36.Rc1-+) 36.Ne6 Kh7 (better 36...Kf7 37.Bc4 g3 38.Nf4 Ke8 39.fg3 Qg3 40.Ng2 Bb6-+) 37.Bf5-/+ Kg8 38.Nc7?? (better 38.Re4 Qh5 39.Rg4 Qg4 40.Ng4=) 38...g3-+ (38...Qh5?! 39.Bg4 Qg5 40.Kg2-+) 39.Nf3 (39.Ng4 Rf8 40.Be6 Kg7 41.Re2 Rf2 42.Rf2 gf2 43.Kg2 Qh1 44.Kf2-+) 39...gf2 40.Kf1 fe1Q (40...fe1N? 41.Nh4 b5 42.d5+-; worse 40...fe1B 41.Nh4 Bh4 42.Ne6-+) 41.Ne1 Qf4 (better 41...Rf8 42.Ke2 Rf5 43.Kd1-+) 42.Ke2 Qf5 43.Nd5 Qe4 44.Kd2 Qd5 45.Nd3 Nd4 46.Bd4 Qd4 47.e6 (47.Kc2 Rc8 48.Kb1 Qd3 49.Kb2 Rc2 50.Ka1 Qd1) 47...Rd8 48.e7 (48.Ke2 Qd3 49.Kf2 Qc3 50.Kg1 Rd2 51.e7 Qc1) 48...Qd3 49.Ke1 Re8 (49...Qe3 50.Kf1 Rd1 51.Kg2 Rd2 52.Kf1 Qf2) 50.Kf2 (50.a4 Re7 51.Kf2 Re2 52.Kg1 Qd1) 50...Re7 51.a4 Qf5 (51...Re2 52.Kg1 Qd1) 52.Kg3 Rg7 53.Kh4 Qg4 0-1. Dino_Jarach (1830) - J19343 (1895), lichess.org, 2020.

10.Be2 a6 11.0-0 Bd7 12.Ne5 Rc8 13.c5 Bc7 14.f4 Kh8?? (better 14...Rb8+=) 15.Nf7+– (15.Nf7 Kg8 16.Nd8 Red8 17.Nf3+–) 1–0. Rico – Sutterney, internet, 2019.

10.Be2 b6 11.Rc1 Bd7 12.0-0 Rc8 13.Ne5 Na5 14.a4 Qe7 15.Nd7 Nd7 16.cd5 ed5 17.Bc3 (17.Ba6 Rc1 18.Qc1 Bb4+=) 17...Nc6 (17...Nf6 18.Bb5 Red8 19.Qe2=) 18.Qb3 Nf6 19.Bf3 Red8 20.g3 (20.Bd5? Nd5 21.Nc4 Rc7-+) 20...h6 21.Rc2 (worse 21.Bd5 Nd5 22.Qd5 Ba3-/+) 21...Rc7 22.Rfc1 (worse 22.Bd5 Nd5 23.Qd5 Nb4 24.Bb4 Rc2-/+) 22...Qe6 (22...Nb4 23.Bb4 Rc2 24.Rc2 Bb4 25.Nb1+=) 23.e4 (23.Bb2!? Rdc8 24.Rc3+=) 23...de4= 24.Qe6 fe6 25.Ne4 Ne4 26.Be4 Ne7 (26...Nb4 27.Bb4 Rc2 28.Rc2 Bb4 29.Rc7=) 27.Bb2+= Rdc8 28.Rc7 Rc7 29.Rc7 Bc7 30.Kf1 Nd5 31.Ke2 Bd6 32.Kd3 Nc7 33.Kc4 a6 34.Bc6 Kf7 35.h3 h5 (35...g5 36.Bc1+=) 36.Bc1 Kf6 37.g4 (37.h4 Kf5+/-) 37...hg4+= 38.hg4 Kg6 39.Bd2 Kf6 40.Kd3 Nd5 41.Bb7 Nc7 42.Ke4 g6 43.Bc6 Kf7 44.f3 Kf6 45.Be1 Kf7 46.Bc3 Ke7 47.Bd2 Kf6 48.Kd3 Nd5 49.Kc4 Nc7 50.Kb3 Nd5 51.Bb7 Nc7 52.Be3 Ke7 53.Bg5 Kf7 54.Bh4 Kf8 55.Bf2 Ke7 56.Be1 Kf7 57.Bd2 Kf6 58.Bc6 Kf7 (58...Nd5 59.Bc1+=) 59.Kc4 Kf6 60.Kd3 Kf7 (60...Nd5 61.Bb7+=) 61.Ke4 (61.Bb7 Kf6+=) 61...Kf6 62.Bc3 Ke7 63.Be1 Kf7 64.Bd2 (64.Bh4 Ne8+=) 64...Kf6 65.Bc3 (65.a5 b5+=) 65...Ke7 66.Be1 (66.a5 b5+=) 66...Kf7 67.Kd3 Nd5 68.Bb7 Nc7 69.Kc2 Nd5 70.Kb3 Nc7 71.Bc3 Nd5 72.Bb2 Nc7 73.Bc1 Kf6 74.Be3 Ke7 75.Bg5 Kf7 76.Be4 Nd5 77.Bd3 Nc7 78.Bd8 Bf4 79.Kc2 Bd6 80.Kb3 Bf4 81.Be4 Bd6 82.Bh4 Nd5 83.Bd3 Nc7 84.Bf2 Kf6 85.Bg1 Kg7 86.d5 b5 87.ab5 ab5 88.de6 Ne6 (88...Kf6 89.Bd4 Kg5 90.e7 Be7 91.Be3 Kh4 92.Bg6+=) 89.Bb5+/- Bc5 90.Bh2 (better 90.Bc5!? Nc5 91.Kc3+/-) 90...Nd4= 91.Kc4 Nf3 92.Bf4 Bg1 93.Kd5 Bh2 94.Be3 Kf6 95.Be2 Ne5 (95...Ng5 96.Bd3+=) 96.Bd4 g5 ½-½. Terry,R (2510) - Quintiliano Pinto,R (2460), 6th Arica Open, 2019. (=1.Nf3 d5 2.e3 Nf6 3.b4 e6 4.a3 c5 5.bc5 Bc5 6.d4 Bd6 7.c4 0-0 8.Bb2 Nc6 9.Nbd2)

10.Be2 b6 11.Rc1 Bd7 12.Ne5 Qe7 Attacks the isolani on a3 (better is 12...Rc8!?=) 13.cd5+/– Be5?? (better is 13...Na5 14.Nd7 Qd7 15.de6 Qe6+/–) 14.dc6+– (14.dc6 Bd6 15.cd7 Qd7 16.Nc4+–; 14.de5?! Nd5 15.Nc4 Qh4+=; worse is 14.Rc6 Bc6 15.dc6 Bd6+=) 1–0. Woelfelschneider,Peter – Gotsche, 2009.

10.Be2 dc4 11.Nc4 Bc7 12.0-0 b5 (12...b6 13.Nce5 Bb7 14.Bb5 Be5 15.de5+=) 13.Ncd2 (13.Nce5!? Ne5 14.de5+/- (14.Ne5?! Bb7=)) 13...a6= 14.Bd3 Bb7 15.Qe2 e5 16.de5 Ne5 17.Ne5 Be5 18.Be5 Re5 19.Rfd1 Qd5 20.Nf3 Ne4? (better 20...Qc6=) 21.Ne5+- Qe5 22.Qg4 Nf6 (22...Nc3 23.Rdc1+/-) 23.Qd4 Qg5 24.Bf1 h6 (24...Qg6 25.a4 ba4 26.Qb6+-) 25.Rac1 (25.a4 ba4 26.Qb6 Bd5+-) 25...Re8 26.Rc7 Bd5? (26...Be4 27.a4+-) 27.g3 (better 27.Rc5!? Re6+-) 27...Be6 28.Bg2 Qf5 29.h3 a5? (better 29...Bc4+-) 30.Rc5 Qg6 31.Rb5 a4 32.Rb4 (32.Rc5 Bb3 33.Rdc1 Kh7+-) 32...Bb3 33.Rc1 Qf5 34.Rc5 (34.Qc5 Qg6+-) 34...Qb1 35.Kh2 Qe1 36.Qf4 Qc1 (36...Qa1+-) 37.Rc1 Rf8 38.Rc7 Nh5 39.Qe5 Nf6. jhonores (2210) - Crazycoffeechess (2240), Rated Blitz game, lichess.org, 2020.

10.Be2 Qc7 11.Rc1 =.

10.Be2 Ne7 11.0-0 Ng6 12.Rb1 dc4 13.Nc4 Nd5 14.g3 (14.Nd6 Qd6 15.Bd3 b6+/-) 14...Qe7 (14...Bc7 15.Qb3+=) 15.Qb3 Rb8 (better 15...Bc7!?+=) 16.e4+/- Nb6 17.Nb6 ab6 18.h4 Bd7 19.h5 Nf8 20.h6 gh6 21.Rfc1 Bc6 22.Bc4?? (22.d5!? ed5 23.ed5+/-) 22...b5 (better 22...Be4 23.Ra1 Ra8=+) 23.Bd3+= Rbc8 (23...b4 24.ab4 Bb4 25.d5+/-) 24.Re1 h5 (24...f6!?+/-) 25.d5 Bd7 26.e5 Bc5 27.d6 Qd8 28.Bc1 (28.Bb5?! Qb6 29.Bc4 Bf2 30.Kg2 Qb3 31.Bb3 Be1 32.Re1 Bc6=+) 28...Qb6 (28...f6!?+/-) 29.Be3+- Ng6 (better 29...Be3 30.Re3 Rc5+-) 30.Ng5?? (30.Bb5!? Bb5 31.Qb5 Be3 32.Qb6 Bb6 33.Rb6 Rc3+-) 30...h4? (30...Ne5 31.Ne4 A) worse 31...Nd3 32.Qd3 Be3 33.Nf6 (33.Qe3?! Qe3 34.Nf6 Kh8 35.Re3 Red8=; worse 33.Re3 Qd8=+; worse 33.fe3 Qd8-/+) 33...Kg7 34.Qe3 Qe3 35.Ne8 (worse 35.Re3 Kf6 36.Rf3 Kg6-+) 35...Re8 36.Re3+/-; B) 31...Nf3 32.Kf1 Be3 33.Re3 Nh2 34.Ke2 Ng4 35.Bb5 Bb5 (35...Ne3? 36.Bd7 Qb3 37.Rb3+-) 36.Qb5 Rc2 37.Kd3 Qb5 38.Rb5 Ra2= (worse 38...Ne3 39.Nf6 Kf8 40.Rg5 Rd2 41.Kd2 Nc4 42.Ke2 Nd6 43.Ne8 Ke8 44.Rh5+-)) 31.gh4 (31.Bg6 fg6 32.Ne4 Be3 33.Qe3 Qe3 34.Nf6 Kf7 35.Re3 Red8 36.gh4 h6+-) 31...Be3 (31...Ne5 32.Bh7 Kh8 33.Bc5 Rc5 34.Re5 Re5 35.Nf7 Kh7 36.Ne5 Rg8 37.Kf1 Rg7 38.Qd3 Kh8+-) 32.Re3+- (32.fe3?! Ne5 33.Qb2 f6= (33...Nd3 34.Qf6 Ne5 35.Qe5+-; 33...Qd6?! 34.Bh7 Kf8 35.Rbd1+=)) 32...h6? (better 32...Qd4 33.Qb4 Qb4 34.ab4 Kg7 35.Nh7 Kh7+-) 33.Nf7! Kf7 (33...Rf8 34.Bg6 Rf7 35.Bf7 Kf7 36.Rf3 Kg7 37.Rf6+-) 34.Rf3 (34.Bg6 Kg7 35.Be8 Qe3 36.Qe3 (36.Bd7?! Rc1 37.Kg2 Qe4 38.Qf3 Qb1 39.Be6 Qg6 40.Qg4 Qg4 41.Bg4 Kf8+-) 36...Re8 37.Kh2 Rg8 38.Rg1 Kh7 39.Qe4 Kh8 40.Rg8 Kg8 41.Qg6 Kh8 42.Qh6 Kg8 43.Qg6 Kf8 44.Qf6 Kg8 45.h5 Bc6 46.h6 b4 47.Qg7) 34...Kg7 35.Rg3 Qd4 (35...Rg8 36.Bg6 (36.Rg6?! Kh8+-) 36...Kh8 37.Qb4+-) 36.Qd1 (better 36.Rg6 Kh8 37.Rh6 Kg7 38.Rh7 Kg8 39.Rd7+-) 36...Rf8 (36...Qh4 37.Bg6 Rg8+-) 37.Rg6 Kf7 (37...Kh7 38.Rg4 Qd3 39.Qd3 Rf5+-) 38.Qh5 (38.Bb5?! Qd1 39.Rd1 Bb5 40.Rh6 Bd7+/-) 38...Qd3 (38...Qf2 39.Kf2 Rc2 40.Bc2 Ke8 41.Rf6 Rf7 42.Qf7 Kd8 43.Qe7 Kc8 44.Rf8 Be8 45.Qe8) 39.Rf6 (39.Rg5! Qg6 40.Qg6) 39...Kg7 (39...Kg8 40.Rd1 Qd1 41.Qd1 Rf6 42.ef6 Kf7+-) 40.Qh6 Kg8 41.Rg6 Qg6 42.Qg6 Kh8 43.Kh2 (43.Qh6 Kg8 44.Rb3 Rc1 45.Qc1+-) 43...Rf2 44.Kh3 (better 44.Kg3 Rg8 45.Qg8 (45.Kf2?! Rg6 46.Rb4 Rg8=) 45...Kg8 46.Kf2+-) 44...Rcf8?? (better 44...Rc3 45.Kg4 Rg2 46.Kh5 Rg6 47.Kg6 Rf3=+) 45.Qh6 (45.Qh5 Kg7 46.Rg1 Rg2 47.Rg2) 45...Kg8 46.Rg1 Kf7 (46...Rg2 47.Rg2 Kf7 48.Qg6) 47.Qh7 (47.Qg6) 47...Ke8 48.Qe7 1-0. jhonores (2180) - JorgeAgurto_UNPRG (1925), LIGA NACIONAL DEL PERU Team Battle, lichess.org, 2020.

11.c5 e4 12.cd6 ef3 13.Nf3 Qd6 =.

11.de5 Ne5 12.Ne5 Be5 13.Be5 Re5 14.Nf3 Re8 15.0-0 Be6 16.cd5 Bd5 17.Nd4 Qa5 18.Bf3 Bf3 19.Qf3 b6 20.Nc6 Qa4 21.Rfc1 Ne4 22.Nd4 h6 (22...Rad8!?=) 23.Rc7+/- Ng5 24.Qb7 Reb8 25.Qd5 (25.Qc6 Qc6 26.Nc6 Ne6+/-) 25...Rf8 (25...Rd8!? 26.Qf5 Qe8+=) 26.h4+/- Rad8 27.Qb7 (27.Qc6 Qc6 28.Nc6 Ne6 29.Ra7 Rd6+/-) 27...Nh7 (27...Rd4 A) 28.hg5?! Rd1 29.Rd1 Qd1 30.Kh2 Qh5 (30...hg5 31.Rd7 Qc2 32.Kg3=+) 31.Kg1 Qg5=; B) 28.ed4 Qd4 29.Re1+/-) 28.Qa7+- Qe8 (28...Qa7!? 29.Ra7 Nf6+-) 29.Qb6 Nf6 30.Qc6 Qe5 31.Rb7 (31.Rc1 Ng4 32.g3 Rd5+-) 31...Ne4? (better 31...Ng4!? 32.Qc7 Qf6+/-) 32.Rb5+- Qe7 33.g3 (better 33.Nf5 Qe8 34.Qe8 Rfe8 35.Nd4+-) 33...Rc8?? (33...Ng3 34.Kg2 Rd6 35.Rb7+/- (35.Kg3? Rc6 36.Nc6 Qc7 37.Ne5 f6-+)) 34.Qb7 (better 34.Nf5 Qe6 35.Qe6 fe6 36.Ne7 Kf7 37.Nc8 Rc8 38.a4+-) 34...Nd6?? (better 34...Rc7 35.Qb6 Rfc8+-) 35.Qe7 Nb5 36.Nb5 Rce8 37.Qb4 Rc8 38.a4 Ra8 39.a5 Rab8 40.a6 Ra8 41.a7 Rfd8 42.Nc7 Ra7 43.Ra7 Rd1 44.Kg2 Rd7 45.Qb8 Kh7 46.Qe8 (46.h5 Rd6 47.Ra8 Rd8 48.Qd8 g6 49.Qg8) 46...Rc7 (46...Rd6 47.Nd5! h5 48.Ne7 Rd8 49.Qf7 Rd6 50.Qg8 Kh6 51.Qh8) 47.Rc7 Kg6 (47...f5 48.Qf7 h5 49.Qg7) 48.Qf7 Kh7 49.Qg7 1-0. Chess__Academy (2475) - zsolti_83 (2525), Rated Bullet game, lichess.org, 2021.

12.Nc4 e4 13.Nd6 ef3 14.Ne8 fe2 15.Qe2 Qe8 16.0-0 Qe4 17.Rfe1 (17.f3 Qg6= (17...Qe3? 18.Qe3 Ne3 19.Rfe1+-)) 17...Bd7 18.f3 Qg6 19.e4 Nf4 20.Qd2 Qg5 21.Rad1 Nh3 (21...Qf6!?=) 22.Kh1+/- Qd2 23.Rd2 Nf4 24.g3 Ng6 25.f4 (25.Rc1 Rc8+/-) 25...Bg4 (25...Na5!?+=) 26.Kg2+/- Rd8 27.h3 Bc8 28.Bc3 b6 29.d5 Nce7 30.e5?? (better 30.f5 Nf8 31.Rc1+/-) 30...Bb7 31.Red1 Nd5 (31...Bd5?! 32.Kf2 f6 33.ef6 gf6 34.Bf6+=; 31...Rd5?! 32.Kf2-/+) 32.Kf2 h6 33.Bb4 Rc8?? (better 33...h5-/+) 34.Rd5+/- Bd5 35.Rd5 Rc2 36.Rd2 Rc4 (36...Rd2 37.Bd2 Ne7 38.Kf3+=) 37.Bd6 b5 38.Kf3 (38.f5 Nf8 39.Ke3+/-) 38...a5? (38...Nf8!?+=) 39.Ke3 (39.Rb2 Rc3 40.Kf2 h5+-) 39...Rc3+/- 40.Rd3 Rc2 (40...Rd3 41.Kd3 Nf8+-) 41.g4 (better 41.f5!? Nh8 42.Rb3+-) 41...Rh2+/- 42.Ke4 Nh4 (42...Re2 43.Re3 Rc2 44.f5 Rc4 45.Kf3 Nh4 46.Kf2+/-) 43.f5 Rf2 (43...g6 44.f6 Re2 45.Kd4+-) 44.Kd5 (44.Rb3 Re2 45.Kd5 g6+-) 44...Ng2 (44...g6 45.e6 Nf5 46.ef7 (46.gf5?! Rf5 47.Kc6 fe6+/-) 46...Kf7 47.gf5 Rf5 48.Kc6+-) 45.Kc6 Nf4 46.Re3 Rc2? (better 46...b4 47.ab4 ab4 48.Bb4 Ng2+-) 47.Kb5 Nh3 (47...Nd5 48.Re1 Rc3+-) 48.Rh3 Rg2 (48...Rd2 49.Re3 Rc2 50.e6+-) 49.Rh4 (better 49.Re3 Rc2 50.e6+-) 49...Rg4 (49...Rd2 50.Ka5 f6+-) 50.Rg4 h5 51.Rg5 Kh7 (51...g6 52.e6 a4 53.e7 Kg7 54.e8Q Kf6 55.Qe7 Kg7 56.Rg6 Kh7 57.Qf7 Kh8 58.Rg8) 52.Rh5 (52.e6 fe6 53.fe6 Kh8 54.e7 Kh7 55.Rh5 Kg6 56.e8Q Kf6 57.Be5) 52...Kg8 53.Rg5 (53.e6 fe6 54.fe6 a4 55.Re5 Kh8 56.e7 Kh7 57.Rh5 Kg6 58.e8Q Kf6 59.Be5) 53...g6 54.fg6 (54.e6 fe6 55.fe6 Kg7 56.Re5 Kh7 57.e7 Kg7 58.e8Q a4 59.Qd7 Kf6 60.Qe7) 54...fg6 (54...Kh8 55.gf7 Kh7 56.f8Q a4 57.Qg7) 55.Rg6 (55.e6 Kg7 56.Re5 Kh6 57.Bf8 Kh7 58.e7 Kg8 59.e8Q Kh8 60.Qg6 a4 61.Qg7) 55...Kf7 56.Rf6 Ke8 (56...Kg7 57.Bf8 Kh8 58.e6 Kh7 59.e7 Kg8 60.e8Q Kh8 61.Qe6 Kh7 62.Rh6) 57.e6 (57.e6 a4 58.Rf8) 1-0. jhonores (2195) - Victorykorchnoi (2225), Rated Blitz game, lichess.org, 2020.

12.Nc4 e4 13.Nd6 ef3 14.Ne8 fe2 15.Qe2 Qe8 16.0-0 Bf5 17.Rfc1 (17.Rfe1 Qe4=) 17...Qe7 (17...Qe6 18.Rd1-/+) 18.Rc5=+ Rd8 19.Rac1 Bg6 20.h3? (better 20.Qg4=+) 20...Nf4!-+ 21.Qd2 (21.ef4 Qe4 Double attack (21...Qe2 Pinning; 21...Qe2 Deflection; 21...Qe4 Decoy)) 21...Nd3 22.Rc6 bc6 23.Rc6 (23.Rc3 Rb8 24.Bc1 Nc1 25.Rc1 Qa3 26.Rc6 a5-+) 23...Qb7 (23...Nb2?! 24.Qb2 Be4 25.Rc5-/+) 24.Rc2 (24.Rg6 fg6 (24...Nb2?! 25.Rg5-/+; 24...Qb2?! 25.Qb2 Nb2 26.Rc6=+) 25.Qd3 Qb2 26.Qc4 Kh8-+) 24...Ne1!! 25.Rc1 (25.Qe1 Bc2 Discovered attack (25...Bc2 Deflection)) 25…Qg2 0-1. jhonores (2180) - Sunrisebyself (2275), Rated Blitz game, lichess.org, 2020.

12.Nc4 e4 13.Nfe5 Ne5 14.de5 Bc5=.

12.de5 Ne5 13.0-0 Nb6 Black has a very active position 14.Rc1 Qe7 15.Nd4 Bd7 Black has an active position (15...Ba3 Instead of 16.Ba3 Qa3 17.Nb5+/–) 16.Ne4 Ba3 17.Ba3 Qa3 Black has new passed pawns: a7+b7 18.Nc5 Rab8 (18...Bc6!?+=) 19.Nd7= Nbd7 20.Nb5 Qa5 21.Ra1 White threatens to win material: Ra1xa5 21...Qb6 22.Ra7 Nc5 23.Ra3 Red8 Black threatens to win material: Rd8xd1 24.Qc2 g6 Covers h5 25.Rc1 Na6 26.Qe4 White threatens to win material: Qe4xe5 Qf6 27.Nd4 Rbc8 28.Rac3 Rc3+= 29.Rc3 Nb4 30.Qb7+/– Nd5 31.Rc1 h5 32.h3 Qd6 33.Nf3 Rb8 34.Rc8 Rc8 35.Qc8 Kg7 36.Qc2 Black king safety improved 36...Nf6 37.Qc3 White threatens to win material: Qc3xe5 37...Ned7 38.Ng5 Qe7? 39.f4 Nc5 40.Bc4 Nce4+= 41.Ne4 Qe4 42.Be2 Qb1 43.Kf2 Qb6 44.g4 hg4 45.hg4 Kf8 46.Bf3 Qe6 47.Qb4 Kg8 48.g5 This push gains space 48...Ng4 49.Bg4 Qg4 A queen endgame occured 50.Qb8 Kg7 51.Qe5 Kg8 52.Qf6 Qh4 53.Ke2 Qh5 54.Kd2 Qh2 55.Kd3 Qa2 56.Qe5 Qb1 57.Kd4 Qb4 58.Kd5 Qb5 59.Kd6 Qb6 60.Kd7 Qa7 61.Kc6 Qa6 62.Kc5 Qa5 63.Kc4 Qa4 64.Kc3 Qa3 65.Kc2 Qa2 66.Qb2 Qc4 67.Kd2 Qd5 68.Qd4 Qa2 69.Kd1 Qf2 70.Qd3 Qf3 71.Kd2 Qg2 72.Kc3 Qc6 73.Qc4 Qh1 74.Kd4 Qa1 75.Ke4 Qb1 76.Ke5 Qb8 77.Kd5 Qb7 78.Kd4 Qb2 79.Kd3 Qb1 80.Ke2 Qg1 81.Qc6 Qh2 82.Kd3 Qf2 83.Qc2 (83.Qa8 Kh7=) 83...Qf1= 84.Kd4 Qa1 85.Qc3 Qa4 86.Qc4 White threatens to win material: Qc4xa4 86...Qa1 87.Ke4 Qb1 Twofold repetition 88.Kf3 Qh1 89.Kf2 Qh2 90.Ke1 Qg3 91.Kd2 Qf2 92.Qe2 Qg3 93.Kd3 Qh3 94.Qf2 Qd7 95.Ke2 Qb5 96.Kf3 Qb3 97.Kg2 Qd5 98.Qf3 White threatens to win material: Qf3xd5 98...Qd2 99.Kh3 Qc3 ½–½. Hellmayr,Alois (2215) – Braeutigam,Thomas, Bayern–chI Bank Hofmann 5th, 2001. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.Nf3 c5 5.bc5 Bc5 6.e3 0-0 7.d4 Bd6 8.Nbd2 Nc6)

12.de5 Ne5 13.Nc4 Nc4 14.Bc4 Qa5 (14...Be6 15.Qd4 Nf6 16.Be6 Re6 17.0-0=) 15.Qd2 ½–½. Adam,Zoltan (2065) – Simo,Judit (2045), HUN–ChT2, 2002. (=1.a3 d5 2.b4 Nf6 3.Bb2 e6 4.e3 c5 5.bc5 Bc5 6.Nf3 0-0 7.c4 Nc6 8.d4 Bd6 9.Nbd2 Re8)

9.0-0 b6 10.Nbd2 Bb7 11.c4 Rc8 12.cd5 ed5 13.Ne5 Qe7 14.f4 Na5 15.Rf3 (15.Qe2 Ne4 16.Ne4 de4+=) 15...Ne4+= 16.Rh3 Rc7 (better is 16...g6 17.Ne4 de4+=) 17.Qh5 h6 18.Ne4 de4 19.Bb1 (19.Bb5 Rc2 20.Rb1 Ba3+=) 19...Nc4 (better is 19...Be5 20.fe5 Nc4+=) 20.Nc4= Rc4 21.Rg3 Kh7 22.d5 Rg8 23.Qg4 (23.Rh3!? f6 24.Ba2=) 23...g6+= 24.Rh3 (24.Qd1!?+=) 24...Bc8–/+ 25.Qe2 Rc5 26.g4 (26.Rg3 Rd5 27.Ba2 Ra5–/+) 26...Rd5 27.Ba2 Ra5 (27...Rh5 28.Rg3 Ra5 29.Rd1–/+) 28.Qg2 Ba3 (28...Rd8!?–/+) 29.Bf7+= Qf7 30.Ra3 Ra3?? (better is 30...Qd5 31.Ra5 Qd1 32.Qf1 Qf1 33.Kf1 ba5+=) 31.Rh6!! 1–0. Cueto,Jonny (2280) – Mohammed,Zozek Salah Mohamme (2225), Tromso NOR, 2014.

9.0-0 Qb6 10.Qc1 Qc7 11.h3 b6 12.Nbd2 a5 13.c4 Ba6 14.Qc2 Rfc8 15.Rfc1 Qe7 16.Qb3 dc4 17.Bc4 Bc4 18.Rc4 Rab8 19.Rac1 Qd7 20.Qc3 Na7 21.Rc8 Rc8 22.Qd3 Rc1 23.Bc1 Qc6 24.Qc4 Nd5 25.Qc6 Nc6 26.Ne4 Be7 27.Nfd2 b5 28.Bb2 b4 29.ab4 Bb4 30.Nc4 Kf8 31.Kf1 h6 32.Ke2 Ke7 33.Kd3 f5 34.Ned2 a4 35.Ba3 Kd7 36.Nb1 Kc7 37.Bb4 Ncb4 38.Kd2 Kc6 39.Nba3 Nb6 40.Nb6 Kb6 41.Kc3 Nd5 42.Kc4 Ka5 43.Kc5 Nc3 44.Nc4+/– Ka6 45.Kb4 Nd1 46.f3 Kb7 47.Ka4 Kc6 48.Kb4 Kd5 49.Nb6 Kc6 50.Nc4 Kd5 51.Kb3 Ne3? 52.Ne3+– Kd4 53.Nc2 Kd3+/– 54.Kb4?? Ke2?? 55.Nd4+– Kf2 56.Ne6 g5 57.Kc4 Kg2= 58.f4 gf4 59.Nf4 Kg3 60.Ne6 f4 61.Nf4= Kf4 62.Kd3 Kf3 63.Kd2 Kf2 64.Kd3 h5 65.Kd2 h4 66.Kd3 Kg3 67.Ke3 Kh3 68.Kf3 Kh2 69.Kf2 ½–½. Fournier,Frederic – The Frankeman (1700), Partie evaluee, 5m, 2007.

9.0-0 Bd7 10.Nbd2 Rc8 11.Rc1 Na5 12.c4 (12.Ne5 Ba4+=) 12...dc4 (12...Qb6!? 13.Ba1 dc4 14.Bc4 Ba3–/+) 13.Nc4= Nc4 14.Rc4 Qa5 Exerts pressure on the isolated pawn 15.Qa1 b5 (15...Bb5 16.Rc8 Rc8 17.Bb5 Qb5 18.d5 Nd5 19.Bg7=) 16.Rc8= Rc8 17.Rc1 Rc1 18.Qc1 Qc7 19.Qc7 (19.e4 Bf4 20.Qc7 Bc7=) 19...Bc7= 20.Nd2 Kf8 21.Nb3 a6 22.Nc5 Bc8 23.e4 Nd7 24.Nd7 Bd7 25.f3 Ke7 26.Kf2 Kd6 27.g3 Kc6 28.Ke3 Kb6 29.f4 White prepares e5 29...Bd6 30.Bc2 g6 31.Kd3 a5 32.e5 Be7 33.Bb3 Bc6 34.h4 h5 35.Bc1 Bd5 36.Bc2 b4 37.ab4 ab4 38.Ba4 Bc6 39.Bc6 Kc6 40.Kc4 Kb6 41.Bd2 Attacking the isolated pawn on b4 41...Ka5 42.d5 ed5+= 43.Kd5 Kb5 44.e6 f6 45.Be1 b3 46.Bc3 Ka4?? 47.Bb2?? Kb4?? 48.Kc6+– Kc4 49.Kd7 Bb4 50.e7 Be7 51.Ke7 g5 52.Kf6 gf4 53.gf4 Kd3 54.f5 Kc2 55.Be5 b2 56.Bb2! Kb2 57.Kg5 (57.Kg5 Kc3 58.f6 Kd4 59.f7 Kd5 60.f8Q Kc4 61.Qd6 Kb5 62.Qd4 Kc6 63.Qc4 Kb6 64.Qb4 Kc6 65.Qa5 Kd6 66.Qb5 Kc7 67.Kf6 Kd6 68.Qc4 Kd7 69.Qc5 Kd8 70.Ke6 Ke8 71.Qe7 mate) 1–0. Fournier,Frederic (1805) – Serbuchev,Viktor (1835), Active, 2012.

9.0-0 Bd7 10.Nbd2 Re8 11.c4 Rc8 12.h3 Na5 13.c5 Bb8 14.Ne5 b6 15.Rc1 bc5 16.dc5 Qe7 17.Ndf3 Rc5 18.Rc5 Qc5 19.Nd7 Nd7 20.Qa4 Nb6? (20...Qc7 21.Rc1) 21.Qe8 Qf8 22.Bh7 1–0. Wall,Bill – Aberia,Ingming, chess.com, 2012.

9.0-0 Re8 10.c4 dc4 11.Bc4 a6 12.Nbd2 b5 13.Bd3 Bb7 14.e4 Be7 15.Qe2 Rc8 16.a4 Nb4 (16...ba4 17.e5 Nd5 18.Qe4=) 17.ab5+= Nd3 18.Qd3 ab5 19.Rfb1 b4 20.Re1 Qc7 21.Rac1 Qd7 (21...Qf4 22.d5 ed5 23.Rc8 Rc8 24.Bf6 Qf6 25.ed5=+) 22.Ra1 Ra8 23.Ne5 Ra1 24.Ra1 Qd8 25.Qc2 Bd6 26.Nec4 Bf8 (26...Bf4 27.g3 Bc7 28.f3=) 27.Ne3 ½–½. pcmvr – rpatrick, net–chess.com, 2018.

9.c4 Qb6 10.Qe2 dc4 11.Bc4 Na5 12.Bd3 Nb3 13.Ra2 Bd7 14.0-0 Nd5 15.g3 f5 16.Nbd2 Na5 (16...Nd2!? 17.Nd2 Be7=) 17.e4+= Ne7 (17...fe4 18.Ne4 Nb3 19.Nd6 Qd6 20.Ne5+/-) 18.Nc4 (18.Bc3!? Nec6 19.Rb1+-) 18...Nc4+= 19.Bc4 Rae8? (better 19...Rac8!? 20.ef5 Rf5 (worse 20...Nf5 21.Be6 Be6 22.Qe6 Kh8 23.Ne5+/-) 21.Be6 Be6 22.Qe6 Kh8+/-) 20.Ng5+/- Bb8 21.ef5 (21.d5!? ed5 22.ed5+/-) 21...Nf5 (21...Rf5 22.Bc1+/- (22.Ne6? Nd5-+; worse 22.Be6 Be6 23.Qe6 Qe6 24.Ne6 Nd5=+)) 22.d5 ed5 23.Bd5 Kh8 24.Qh5 h6 25.g4 (better 25.a4!?+/-) 25...Nd4= 26.Nf7 Kh7 27.Ng5 Kh8 28.Nf7 Kh7 29.Ng5 Kh8 30.Nf7 ½-½. Huang,Alex (1970) - Goormachtigh,Laurens (1880), 126th ch-NZL Open, 2019.

9.c4 dc4 10.Bc4 Na5 11.Bd3 b6 12.e4 Bf4 13.Qc2 Bb7 14.e5 Bf3 15.ef6 Bg2 (better is 15...Bd5!? 16.Bh7 Kh8 17.fg7 Kg7=) 16.Bh7+/– Kh8 17.fg7 Kg7 18.Rg1 Qd5?? (better is 18...f5 19.Bf5 Rf5 20.Rg2 Kf7+/–) 19.Be4+– Rac8 20.Rg2 (20.Bd5 Rc2 21.Rg2 Kf6–/+) 20...Kf6 21.Qd3 (21.Bd5 Rc2 22.Nc3 Rb2–/+) 21...Qd6 22.Nd2 Bh2 (22...Rg8+–) 23.Qh3 Rh8 24.d5 Be5 (24...Ke7 25.Bh8 Rh8 26.Qh8+–) 25.Qg4 Rcg8 (25...Ke7 26.Qg5 Kd7 27.Be5+–) 26.Qf4 (26.Qf4 Ke7 27.Be5+–) 1–0. charmedones (2000) – stameni, gameknot.com, 2014.

9.Nbd2 a6 10.0-0 b5 11.c3 Bb7 12.Nb3 (12.a4 b4=) 12...Rc8 13.Qe2 Na5 14.Na5 Qa5 The backward pawn on c3 becomes a target 15.Rfc1 Rc7 16.Nd2 Rfc8 17.Nb3 Qb6 18.Rc2 Ne4 19.Rac1 f5 20.f3 Nf6 21.Nd2 Kf7 (21...Qc6 22.Re1+=) 22.f4 (22.a4 ba4 23.c4 Bb4=) 22...h6 (22...Ne4 23.Ne4 fe4 24.Qh5 Kg8 25.Be2+=) 23.g3 (23.a4 ba4 24.c4 Bb4=) 23...g5 24.Nf3 gf4 25.ef4 Rg8 (25...Ne4 26.Ne5 Be5 27.fe5+=) 26.Kf2 Ne4 27.Be4 (27.Kf1 Kg7=) 27...de4 28.Ne5 Be5 29.fe5 Kg7 (29...Bd5 30.Kg1+=) 30.Ke1 Kh7 31.Kd2 (31.c4 Qa5 32.Kf1 bc4 33.Rc4 Rc4 34.Rc4 Qb5=) 31...Qa5 32.Qe3 Rc4 33.Rg1 1–0. Fournier,Frederic (1725) – aserf, ChessOK.com, 2012.

9.Nbd2 Bd7 10.c4 Rc8 11.0-0 Qe7 12.Ne5 dc4 13.Ndc4 Be5 14.de5 Nd5 15.Nd6 Rc7 16.Rc1 f5 17.Bf5! ef5 (17...ef5 18.Qd5 Discovered attack (18.Qd5 Deflection; 18.Qd5 Overloading); 17...Rf5 18.e4 Double attack (18.e4 Decoy)) 18.Qd5 Be6 19.Qd3 Rd7 20.f4 g6 (20...Qh4 21.Bd4+/–) 21.e4 fe4 22.Qe4 Bf5?? (better is 22...Rfd8+–) 23.Nf5 Rf5 24.Qc4 Kf8 25.g4 Qh4 (25...Rf7 26.e6 Qh4 27.ed7 (27.ef7?! Rd2 28.Bg7 Kg7 29.Qc3 Rd4+–) 27...Qg4 28.Kh1 Qd7 29.Qc5 Ke8 30.Rcd1+–) 26.Qe2 Rff7 27.e6 Rfe7 28.f5 gf5 29.Rf5 Kg8 30.Qf3 Rd8 31.Rf1 Qh6 32.g5 Nd4 33.Bd4 (33.Bd4 b5 34.gh6 Rg7 35.Bg7 b4 36.Rf8 Rf8 37.Qf8) 1–0. Fournier,Frederic (2030) – Ballan,Guillaume (2030), echecsemail.com Team Niveau3, 2005.

9.Nbd2 Qe7 10.0-0 e5 11.de5 Ne5 12.Ne5 Be5 13.Qb1 Bg4 14.Be5 Qe5 15.Qb7 Rfb8 16.Qa6 Rb6 (16...Qc3!? 17.Nf3 Ne4 18.Be4 de4+=) 17.Qa4 Bd7 18.Qh4 h6 19.Rab1 Rab8 20.Rb6 Rb6 21.Nb3 Ne4 22.Nd4 g5 23.Nf3?? (23.Qh5 Qe7+=) 23...Qd6?? (better 23...Qg7 24.Ng5 hg5-+ (24...Ng5?! 25.f4 Ne6 26.Rf3-+)) 24.Qh5= Qa3 25.h4 gh4 26.Qh4 Qd6 27.Ra1 a6 28.Nd4 Qg6?? (better 28...Nc5+/-) 29.Qd8+- (29.Qd8 Be8 30.Qe8 Kg7 31.c4+-) 1-0. pacalmisu (2215) - Burlaka (2290), Rated Blitz game, lichess.org, 2015.

9.Nbd2 Re8 10.0-0 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Re5 14.Nf3 Rh5 15.Rb1 Qd6 16.h3 (16.Rb3 Qc7=) 16...Bh3 (better 16...Qa3 17.Rb3 Qd6=+) 17.Nh2?? (better 17.gh3 Qe6 18.h4 Qg4 19.Kh2 Rh4 20.Nh4 Qh4 21.Kg2 Qg5 22.Kh1 Qh4 23.Kg1 Qg5 24.Kh2 Qh4 25.Kg1 Qg5 26.Kh2 Qh4=) 17...Bg2! 18.Kg2 (18.Kg2 Rg5 Double attack (18...Rh2 Discovered attack)) 18...Rh2 19.Kf3 Qe5 20.Ke2 d4 21.Kd2 (21.Bh7 Nh7 22.Qd4 Qh5 23.Kd2-+) 21…Qe3 0-1. Dino_Jarach (1855) - kssair (1820), lichess.org, 2020.

8.c4 b6 9.Nc3 0-0 10.cd5 ed5 11.Bd3 Bb7 12.0-0 Bd6 13.h3 Re8 14.Qc2 Na5 15.Rac1 Rc8 16.Qe2 Nb3 17.Rc2 Ne4 18.Nb5 Bb8 19.Ne5 (19.Bc3 Ba6 20.Bb4 Qd7+=) 19...a6 20.Nc3 f6 (20...Be5 21.de5 Nec5 22.Rd1+=) 21.Nf3 b5 22.Rd1 Qd6 (22...Bd6 23.Rb1+=) 23.g3 (23.Bb5!? ab5 24.Qb5=) 23...Ng3 24.fg3 Qg3 25.Qg2 Re3 26.Qg3 Bg3 27.Kg2 Bf4 (better is 27...Bd6 28.Rf2 Ba3 29.Nb5 Bb4–/+) 28.Nb1?? (better is 28.Kf2=) 28...Rc2–+ 29.Bc2 Na5 (better is 29...Re2 30.Kg1 Rc2–+) 30.Kf2= Re8 31.Bc1 Bc1 32.Rc1 Nc4 33.Bd3 g5 34.Nfd2 h5 35.Nc4 dc4 36.Bf1 (36.Bg6 Rd8 37.Rd1 Kg7 38.Bh5 Rh8–/+) 36...Bd5 (36...Rd8!? 37.Rd1 Kg7–/+) 37.Nc3+= (37.Nc3 Bf7 38.Bg2+=) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com (5+0), 2013.

8.c4 Qb6 9.Qc2 Bd7 10.Nbd2 Rc8 11.Bd3 Qa5 12.0-0 0-0 13.Bc3 Qd8 14.Rfc1 dc4 15.Nc4 Nd5 (15...b5!? 16.Nce5 a6+=) 16.Bh7+/– Kh8 17.Be4 Nc3 (17...b5 18.Bd5 ed5 19.Nce5+/–) 18.Qc3 Na5?? (better is 18...b5 19.Ncd2 a6+/–) 19.Qa5+– Rc4 (19...Qa5 20.Na5 Rc1 21.Rc1 Ba3+–) 20.Qh5 Kg8 21.Qh7 1–0. Janek – Gustave, internet, 2016.

8.c4 dc4 9.Bc4 0-0 10.0-0 a6 11.Nc3 b5 12.Bd3 Bb7 13.Qe2 Qb6 14.Rfd1 Rfd8 15.Rac1 Rac8 16.Ne5 Ne5 17.de5 Nd7 18.Ne4 Be4 19.Be4 Nf8 20.Rc8+= Rc8 21.Qe1 Rd8 22.Rc1 Qd6?? 23.ed6+– (23...Bd6 24.Qa5+–) 1–0. Milde,Lars (1920) – von Rosenberg,Clemens (1730), T5e–01.02 TSC, 2002.

8.c4 dc4 9.Bc4 0-0 10.0-0 Bd7 11.Nbd2 Rc8 12.Rc1 Bd6 13.h3 e5?? (better is 13...Qe7=) 14.de5+– (14.Ne5?! Be6+/–) 14...Be5 15.Ne5 Ne5 16.Be5 Nh5 (16...b5 17.Be2 Qe7 18.Rc8 Rc8+–) 17.Qh5 1–0. Fournier,Frederic – edu23, Active, 2007.

8.c4 dc4 9.Bc4 Qa5 10.Nbd2 Qh5 11.Ne5 Qd1 12.Rd1 0-0 13.Nc6 bc6 14.0-0 c5 15.dc5 Bc5 16.Nb3 Be7 17.Na5 Rb8 18.Be5 Rb6 19.Bd4 Rd6 20.Rc1 (20.Ba7 Rd1 21.Rd1 Ba3+=) 20...Rd4 21.ed4 Ba3 22.Rc2 Bd7 23.Rb1 Ra8 24.Be2 a6 (24...Nd5 25.Bf3 Bd6 26.Nc4+/–) 25.Nc4 Bf8 26.Nb6 Ra7 27.Nd7 Nd7 (27...Rd7 28.Ba6 Rd4 29.Rc8+/–) 28.Rbc1 a5 29.Rc7 Rc7 30.Rc7 Nb6 31.Bb5 g6 32.Be8 Nd5 (32...Bg7 33.Bf7 Kh8 34.Ra7+–) 33.Bf7 Kg7 34.Ra7 Kf6 35.Be8 Bb4 36.Rf7 Kg5 37.Bd7 Nf4 (37...Nc3 38.f4 Kh6+–) 38.h4! Kg4 39.g3 Ne2 40.Kg2 (40.Kg2 Nf4 41.Rf4 Kh5 42.Rf7+–) 1–0. Fournier,Frederic (2330) – Katanougou (2040), echecsemail.com (Team Cup), 2008.

8.c4 Bd7 9.Nbd2 Rc8 10.Rc1 0-0 11.Bd3 a6 (11...dc4 12.Nc4 b5 13.Nce5=) 12.0-0 (12.c5 b5=) 12...Bd6 (12...dc4 13.Nc4 b5 14.Nce5=) 13.Ne5 (13.c5 Bb8+=) 13...Be8 (13...Qc7 14.Nd7 Nd7 15.c5 Bh2 16.Kh1+=) 14.f4 (14.Qe2 dc4 15.Ndc4 Bc7+=) 14...Nd7 (14...dc4 15.Ndc4 Be7 16.Qf3+=) 15.cd5+– ed5 16.Qb3 (16.Nc6 Rc6 17.Rc6 bc6+=) 16...Be5 (16...Nf6 17.e4 (worse 17.Qb7 Be5 18.fe5 Rb8 19.Qa6 Rb6 20.Rc6 Bc6=+) 17...Qa5 A) worse 18.Qb7 Rc7 (worse 18...Qd2 19.Qc8 Qb2 20.Nc6+=) 19.Qa6 Qd2–/+; B) 18.ed5 Nd4 19.Bd4 (worse 19.Qb7 Rb8 20.Qa7 Ne2 21.Be2 Rb2–/+) 19...Rc1 20.Rc1 Qd2 21.Rf1=) 17.fe5+– Nb6 (17...b5 18.e4 de4 19.Be4+–) 18.a4 a5 (18...Na5 19.Qb4 A) 19...Na4?? 20.Rc8 Qc8 21.Ba3+– (21.Qa5 Nb2 22.Bf5 Bd7 23.Bd7 Qd7=+); B) 19...Nbc4 20.Nc4 Nc4+–) 19.Ba3+– Bd7? (better 19...Nb4 20.Bb4 Rc1 21.Rc1 Ba4+–) 20.Bf8 Kf8 21.Bh7 Nb4 22.Rc8 Bc8 (22...Qc8 23.Ne4 Qc6 24.Nd6+–) 23.Ne4 (23.Bg6 f6+–) 23...Qh4 (23...Nc4 24.Bg6 f6 25.Rf2+–) 24.Bg6 Be6 (24...Nc4 25.Bf7 Ke7 26.Bd5+–) 25.Nd6 Kg8 26.Nf7 (better 26.g3!? Qg4 27.Bf7 Bf7 28.Rf7 Qe2+–) 26...Nc4 27.Rf2 Bf7 (27...b6 28.Qd1 Ne3 29.Qf3+–) 28.Bf7 (worse 28.Rf7 Qe1 29.Rf1 Qf1 30.Kf1 Nd2 31.Ke2 Nb3=) 28...Kh8 29.Bg6 Qd8 (29...Kg8 30.Qd1 Qg5+–) 30.Qd1 Qf6 (30...Kg8 31.Qh5 Qf6 32.Qh7 Kf8 33.Qh8 Ke7 34.Qe8) 31.Qh5 Kg8 32.Qh7 Kf8 33.ef6 Nd6 (33...gf6 34.Rf6) 34.Qg7 1–0. Janek – Vsop, internet, 2017.

8.Nbd2 a6 9.c4 dc4 10.Bc4 b5 11.Ba2 Bb7 12.0-0 0-0 13.Rc1 Rc8 14.Nb3 Qb6 15.Nc5 Na5 16.Ne5 Bc5 17.dc5 Rc5 18.Qd4 Rfc8 19.Nd7 Qc6 20.Nf6 gf6 21.Qg4 Rg5 22.Qg5 (better is 22.Rc6!? Rg4 23.Rc8 Bc8 24.Bf6+=) 22...fg5–/+ 23.Rc6 Rc6 24.Rd1 Rc8 25.Bf6 h6 26.h4 g4 27.h5 Be4 28.Rd4 Bf5 29.e4 Bh7 30.Kh2 Nc6 31.Rd6 Kf8 32.f3 gf3 33.gf3 a5 34.Kg3 a4 (better is 34...Ke8!?=) 35.Rd7+/– Kg8 (35...Re8 36.Rc7 Na5 37.Kg4+/–) 36.Rb7 Rb8 37.Rb8 (better is 37.Rc7!? Nd8 38.Rd7+/–) 37...Nb8= 38.Kf4 Nd7 39.Bd4 Kf8 40.Bb1 Nb8? (better is 40...Ke7=) 41.Bd3+– f5? (better is 41...b4 42.Bc5 Kg7 43.Bb4 e5 44.Ke3 Nc6+–) 42.Bb5 Ke7 43.Ba4 Na6 44.Bb5 Nc7 45.Bc5 Kf7 46.Bc4 Kf6 47.Bd6 Ne8 48.e5 Kf7 49.a4 Ng7 50.a5 Nh5 51.Ke3 f4 52.Kd4 Bc2 53.a6 Bd1 54.Bd3 Ng3 55.Be4 Ne4 56.Ke4 Ba4 57.Kf4 Kg6 58.a7 Bc6 59.Be7 Bd5 60.Bf8 Bb7 61.Kg4 Bd5 62.f4 h5 63.Kg3 Bb7 64.Kf2 Kf5 65.Bh6 Ke4 66.Bg5 Bd5 67.Kg3 Kf5 68.Kh4 Bf3 69.Bh6 Kg6 70.Kg3 Bd5 71.Bg5 Kf5 72.Kf2 Ke4 73.Ke2 Bb7 74.Kd2 Ba8 75.Kc3 Kd5 76.Kb4 Kc6 77.Bh4 Bb7 78.Kc4 Ba8 79.Kd3 Kd5 80.Bg5 Bb7 81.Ke3 Ba8 82.Bh6 Bb7 83.Kf3 Kd4 84.Kg3 Ba8 85.Kh4 Bf3?? 86.Bg7 Kc5 87.Kg5 Kb6 88.f5 ef5 89.e6 Ka7 ½–½. Rodrigues,Jose (2040) – Duarte,Ricardo, POR–chT Portugal, 1997. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Be7)

8.Nbd2= Qb6 9.Rb1 =.

8.Bd3 0-0 9.0-0 Qb6 10.Qc1 h6 11.Nbd2 Bd7 12.c4 dc4 13.Nc4 Qd8 14.Nce5 a6 15.Nc6 (15.e4 Ne5 16.Ne5 Bd6=) 15...Bc6= (worse is 15...bc6 16.e4+=) 16.Be2 (16.Ne5 Rc8 17.Qb1 Ba4=) 16...Ne4 (16...Rc8 17.Qe1+=) 17.Ne5= Bd5 18.Qb1? (better is 18.Qe1!?=) 18…Nd2–/+ (18...Nd2 19.Qd3 Nf1 20.Rf1 Bd6–+) 0–1. Fournier,Frederic (1680) – Igor0703 (1825), ChessOK.com, 2012.

8.Bd3 0-0 9.Nbd2 b6 10.0-0 Bb7 11.Qe2 Rc8 12.e4 de4 13.Ne4 Na5 14.Rad1 (better 14.Ned2!?=) 14...Ne4 15.Be4 Be4 16.Qe4 Nc4 17.Bc1 Ba3 18.d5 ed5 19.Rd5 Qf6 20.Bg5 Qg6 21.Qd4 Bc5 (21...Qc2 22.Rd7-+) 22.Qd1 (22.Rc5 Rc5 23.Be7 Rcc8 (23...Qc2 24.Bf8 f6 25.Bc5 bc5 26.Qd5 Kf8 27.Re1+-) 24.Bf8 Kf8=+) 22...h6 23.Nh4 Qc6 24.Bc1 Qf6 25.Nf5 Rfd8 26.Re1? (better 26.Rd8!? Rd8 27.Nh6 Kf8 28.Qe2-/+) 26...Rd5-+ 27.Qd5 Rd8 28.Qe4?? (better 28.Qf3 Kh8 29.Qg4-+) 28...Nd6 29.Nd6 (29.Ne7 Kf8 30.Qf4 Qf4 31.Bf4-+) 29...Bf2 (29...Bd6?! 30.g3-/+; 29...Qd6?! 30.Bf4 Qd7 31.Be3-+; 29...Rd6?! 30.Be3 Be3 31.Qe8 Kh7 32.Qe3-+) 30.Kh1 (30.Kf1 Be1 (30...Qd6 31.Kf2 Qh2 32.Be3+=) 31.Ke1 Rd6 32.Qe8 Kh7 33.Qe4 Qg6 34.Qg6 Kg6-+) 30...Be1 31.Qe2 (31.Qe1 Qd6 32.Qg1-+) 31…Qd6 (31...Qd6 32.Qe1 Qd1-+) 0-1. pacalmisu (2180) - kubowy (2445), Rated Blitz game, lichess.org, 2015.

8.Bd3 0-0 9.Nbd2 Qc7 10.0-0 Bd6 11.c4 e5 (better is 11...Ng4!? 12.h3 Nf6+=) 12.cd5+/– Nd5 13.de5 Ne5 14.Rc1 (14.Ne5 Be5 15.Bh7 Kh7 16.Qh5 Kg8 17.Be5 Qd7+–) 14...Qe7 (14...Nc6!?+=) 15.Ne5+– Be5 16.Be5 (16.Bh7!? Kh7 17.Qh5 Kg8 18.Be5+–) 16...Qe5+= 17.Nf3 Qe6? (better is 17...Qd6+=) 18.Bc4+– Rd8 19.Qb3 (better is 19.e4 Qe4 20.Re1+–) 19...Bd7?? (better is 19...b5 20.Qb5 Qb6+/–) 20.Bd5+– Qf6 21.Rfd1 (21.Qb7 Be6 22.Be4 Bf5+–) 21...Bg4 (21...Rab8 22.Rd4 (22.Bb7?! Bc8+–) 22...Bc6 23.Bc6 bc6 24.Rd8 Qd8 25.Qc3+–) 22.h3 Bh5 23.Rc7 Rab8 24.Rb7 Rbc8 25.Ra7 Rc3 26.Qa2 Bf3 27.gf3 Qg5 28.Kf1 Qf5 29.Bf7 (29.Bf7 Qf7 30.Rd8) 1–0. Fournier,Frederic (1860) – enriquevidal, Active, 2007.

8.Bd3 a6 9.0-0 Bd6 10.c4 dc4 11.Bc4 b5 12.Bd3 Nd5 13.Nbd2 Bd7 14.Rc1 Qe7 15.Qb3 0-0 16.Ne4 Na5 17.Qa2 Nb7 18.Nd6 Nd6 19.Ne5 Nf6 (19...f6 20.Nf3+=) 20.Nd7 (20.Rc5 Rfc8+/–) 20...Nd7 21.Rc2 Nf6 22.Rfc1 Nd5 23.Be4?? (23.Qb3 Qh4+=) 23...Nc4 (better is 23...Ne4 24.Qb3 Nd6–+) 24.Bd5 (24.Qb3!?=) 24...ed5+= 25.g3 Qe4 26.a4 b4 27.Qb3 a5 28.Ba1 h5 29.h4 (29.Bb2 h4 30.gh4 Qg4 31.Kf1 Qh4–/+ (31...Nb2?! 32.Rb2 Rac8 33.Rbc2=)) 29...Qf3 30.Qd3 Rac8 31.Qf1 Rb8 32.Qg2 (32.Bb2 b3 33.Rc4 dc4 34.Qc4 Rb4–/+) 32...Qg2 33.Kg2 b3 34.Re2 g6 (34...Rb4 35.Bc3 Ra4 36.e4–+) 35.e4 (35.Bb2 Rfc8–+) 35...Rfe8 36.Kf3? (better is 36.Bb2–+) 36...b2 37.Bb2 Rb2 (37...Nb2?! 38.ed5 Re2 39.Ke2 Na4 40.Ra1–+) 38.Rb2 Nb2 (better is 38...de4 39.Kf4 Nb2 40.Rc7–+) 39.ed5 Na4 40.Ra1 Nc3 41.Ra5 Rd8 42.Rc5 Nd5 43.Ke4 Nf6 44.Kd3 Kg7 45.f3 (45.Re5 Rb8–+) 45...Nd7 (45...Ng8!? 46.g4 hg4 47.fg4–+) 46.Rd5 Kf6 47.Kc4?? (47.Ra5 Ke7–+) 47...Ke6 (better is 47...Nb6 48.Kd3 Nd5–+) 48.Ra5 Rc8 49.Kd3 Rc1 0–1. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

8.Bd3 Qb6 9.Ra2 0-0 =.

8.Bd3 Qb6 9.Qc1 0-0 10.0-0 =+.

8.Bd3 Qb6 9.Qc1 Qa5 10.Nbd2 b5 11.0-0 0-0 12.a4 b4=+ 13.Nb3 Qd8 14.c3 Ne4 15.Qc2 Bb7 16.c4 Rc8 17.c5 f5 18.a5 Qe8+= 19.Qe2 Bd8 20.Nfd2 Ra8 21.f3 Nf6 22.a6+/– Bc8 23.Rac1 Rb8 24.Rce1 Bc7 25.f4 Bd7 26.Rc1 Ne4 27.Rf3 Na5 28.Na5+= Ba5 29.Rh3 b3 30.Nf1 Bb5 31.Ng3 Nd2 32.Nf1 Bd3 (33.Qd3 Nf1 34.Qf1 Qc6=+; 32...Nc4 33.Ng3=+). Schulz,Hans_Juergen – Woelfelschneider,Peter, TT–05 TSC, 2003.

8.Bd3 Bd7 9.0-0 Qb6 10.Qc1 Rc8 11.Nbd2 0-0 12.c4 dc4 13.Nc4 Qd8 14.Qb1 h6 15.e4 b5 16.Ne3 Na5 17.d5 ed5 18.e5 Ne8 19.Nd5 Bc6 20.Nf4 Bf3 21.gf3 Nb3 22.e6?? (better is 22.Rd1 Qa5 23.Nd5+=) 22...Bd6–+ 23.Rd1 Qg5 24.Ng2 Na1 25.h4 Qh5 26.ef7 Qf7 27.Ba1? Qf3 28.Bh7 Kh8 29.Rf1 Qh3 30.f4 Bc5 31.Rf2 Bf2 32.Kf2 Nf6 33.Qg6 Ng4 34.Ke1 Rc1 35.Kd2 Ra1 (35...Ra1 36.Qc2 Rd8 37.Bd3 Qg2 38.Kc3 Rd3 39.Qd3 Ra3 40.Kd4 Qf2 41.Ke4 Nf6 42.Kf5 Rd3 43.Kg6 Qe2 44.f5 Qe8 mate) 0–1. Skrzypczak,Michal (1980) – Wloch,Roman, Wielkopolska Liga Seniorow Poland, 2011.

8.Be2 Qb6 9.Qc1 Bd7 10.0-0 Rc8 11.Nbd2 Na5 12.Rb1 Qc7 13.c3 Ba4 ½–½. Slabek,Grzegorz (2180) – Olesiak,Marcin (1960), Polish TCh – 2ndLeague'06 Poland, 2006.

9.Nc3 a6 10.Rc1 dc4 11.Bc4 b5 12.Bd3 Bb7 13.0-0 Rc8 14.Ne4 Nd7 15.Ne5 Nce5 16.Rc8 Qc8 17.de5 Qc6 18.f3 Rd8=+ 19.Qe2 Ne5 20.Be5 Qd5 21.Bd4 e5 22.Bb5 ab5 23.Bb6 Ra8 24.Rb1 Bc6 25.Nc3 Qc4 26.Qc4 bc4 27.a4 Ba4 28.Ra1 Bc6 29.Ra8 Ba8 30.Ba5 f5 31.Kf2 Kf7 32.Na4 Bb7 33.Nb6 Ba6 34.Ke2 Bc5 35.Kd2 Ke6 36.Na4 Be7 37.Nb6 e4 38.fe4 fe4 39.g4 g6 40.h3 h5 41.gh5 gh5 42.Na4 Bb7 43.Kc3 Kd5 44.Nb6 Kc6 45.Nc4 Bf6 46.Kd2 Bc8 47.Bc3 Bg5 48.Ne5 Kc5 49.Nf7 Bh4 50.Nh6 Kd5 51.Ng8 Ke6 52.Nh6 Bg5 53.Bb4? Bh6 0–1. Rosner,Dirk – Vennemann,Horst, DESC, 2000.

9.Nc3 b6 10.Bd3 Bb7 11.cd5 Nd5 12.Qc2 h6 13.0-0 Rc8 14.Nd5 Qd5 15.Qe2 Na5 16.e4 Qd7 17.Nd2 Rfd8= 18.Bb5 Qd6. Snide – quant, playchess.de, 2001.

9.Nc3 Bd7 A) 10.cd5 ed5 (10...Nd5 11.Bd3 Rc8 12.0-0 Qa5 13.Nd5 Qd5 14.e4=) 11.Bd3 Rc8 12.0-0 Na5 13.Qc2 Nc4 14.Rfc1=; B) 10.Bd3 Rc8 (10...dc4 11.Bc4 Rc8 12.0-0 Na5 13.Bd3 Nc4 14.Qe2=; 10...Qc7 11.cd5 ed5 12.0-0 Rfe8 13.Rc1 Rac8 14.Ne5=; 10...Qb6 11.c5 Qd8 12.0-0 b6 13.cb6 ab6 14.Ne5=) 11.cd5 ed5 12.0-0 Na5 13.Qc2 Nc4 14.Rfc1=; C) 10.Be2 Rc8 (10...dc4 11.Bc4 Rc8 12.Bd3 a6 13.0-0 b5 14.Rc1=; 10...Qb6 11.Rb1 dc4 12.Bc4 Rac8 13.Bd3 Rfd8 14.0-0=; 10...a6 11.0-0 dc4 12.Bc4 Rc8 13.Bd3 b5 14.Rb1=) 11.0-0 Na5 12.cd5 ed5 13.Ne5 a6 14.Bf3=.

9.Nc3 Re8 10.Qc2 a6 (10...Bd7 11.cd5 ed5 12.Bd3 Rc8 13.0-0 Bd6 14.Rfc1=; 10...Qc7 11.cd5 ed5 12.Bd3 Bg4 13.Ne5 Ne5 14.de5=; 10...Qa5 11.Bd3 a6 12.c5 b6 13.cb6 Qb6 14.0-0+=) 11.c5 (11.Rc1 Qa5 12.c5 b6 13.cb6 Rb8 14.Nd2=) 11...Bf8 (11...b6 12.cb6 Qb6 13.Bd3= Rb8 14.Rb1=) 12.Bd3+= (12.Na4 Qc7 13.Nb6 Rb8 14.Bd3+=) 12...h6 (12...b6 13.cb6 Qb6 14.0-0+=) 13.0-0 (13.Na4 Nd7 14.0-0+=) 13...e5 (13...b6 14.cb6 Qb6 15.Rfc1+=; 13...Qc7 14.Na4+=) 14.de5+/– Ne5 15.Ne5 Re5 16.Na4 Re8 17.Nb6 Rb8 18.Bd4 (18.Nc8?! Rc8 19.Rfd1 Rc5=) 18...Ng4 (better is 18...Nd7!?+/–) 19.Nc8+– Rc8 20.Bh7 Kh8 21.Bf5 Qh4 (21...Ne5 22.Bc8 Qc8 23.Be5 Re5 24.Rfc1+–) 22.h3 Nf6 23.Bc8 Rc8 24.Rab1 Ne4 (24...Rc7 25.Rb4 Qh5 26.Qb2+–) 25.Rb7 Bc5 (25...Kg8 26.c6 Bd6+–) 26.f3 (better is 26.Rf7 Qg5 27.Rc1+–) 26...Nd6+/– 27.Qb2 (better is 27.Rb8! Rb8 28.Qc5+= (worse is 28.Bc5 Rc8+=)) 27...Bd4+= 28.ed4 Nb7 29.Qb7 Qd4 30.Kh1 Qc4 31.Re1 (better is 31.Rd1!?=) 31...Rc7–/+ 32.Qb8 Rc8 33.Qb7 Rc7 34.Qb8 Kh7 35.Re8?? (better is 35.Rd1–/+) 35...Qc1–+ 36.Kh2 Qf4 (36...Qf4 37.Kg1 Rc1 38.Kf2 Qh4 39.Qg3 Rc2 40.Re2 Re2 41.Ke2 Qg3–+) 0–1. wwgia (1745) – tactix47 (1770), gameknot.com, 2014.

9.Nc3 Re8 10.Bd3 dc4 (10...a6 11.c5 b6 12.cb6 Qb6 13.Rb1 Rb8 14.0-0=; 10...Bd7 11.0-0 Rc8 12.Rc1 dc4 13.Bc4 Na5 14.Bd3=; 10...Qa5 11.0-0 dc4 12.Bc4 Rd8 13.Qc2 Bd7 14.Rfd1=) 11.Bc4 a6 12.Bd3 b5 13.0-0 Bb7 14.a4 =.

9.Nc3 Re8 10.Be2 a6 (10...Bd7 11.0-0 Rc8 12.Rc1 Na5 13.c5 b6 14.cb6=; 10...dc4 11.Bc4 a6 12.Bd3 Rb8 13.Qc2 h6 14.0-0+=; 10...Na5 11.cd5 ed5 12.Qc2 Bg4 13.Bb5 Bd7 14.Bd3=) 11.Ne5 Rb8 12.Rb1 dc4 13.Nc6 bc6 14.Qc2 =.

9.Nc3 Re8 10.Ne5 Qc7 (10...Bd7 11.cd5 ed5 12.Bd3 Rb8 13.Nd7 Qd7 14.0-0=; 10...Rb8 11.Rb1 Nd7 12.cd5 ed5 13.Nc6 bc6 14.Bd3=; 10...Ne5 11.de5 Nd7 12.cd5 Ne5 13.Bb5 Bd7 14.de6=) 11.Qa4 Ne5 12.de5 Bd7 13.Nb5 Bb5 14.Qb5 =.

9.Nbd2 Na5 10.Bd3 Nc4 11.Nc4 dc4 12.Bc4 Qa5 13.Nd2 (13.Qd2 Qa4 14.Qd3 a6=) 13...Bd7 14.0-0 Rfc8 15.Qe2 Rc7 16.Rfc1 Rac8 17.Bd3 Rc1 18.Bc1 Qa4 (18...Qc3 19.Rb1 Qc1 20.Rc1 Rc1 21.Nf1 Ba3 22.Bb5=+) 19.Nf3= Bc6 20.Ne5 (20.e4 b5=) 20...Be4 21.Bb5 Qc2 22.Qc2 Bc2 23.Bd2 a6 24.Bf1 Nd5 25.Nd3 Ba4 (25...Kf8 26.f3=+) 26.Bb4 Nb4 27.ab4 (worse 27.Nb4 Rc3-/+) 27...Bc6 28.g3 g5 29.Nc5 Kg7 ½-½. latmartinsh (2205) - dsb13 (2320), gameknot.com, 2019.

9.Nbd2 a6 10.Bd3 dc4 11.Nc4 b5 12.Ncd2 Bb7 13.0-0 Rc8 14.Qe2 Qd7 15.Rfc1 Rfd8 16.Rc2 e5 17.Rac1 ed4 18.ed4 Nd5 19.Be4 Qe6 20.Nf1 Na5 21.Rc8 Rc8 22.Rc8 Bc8 23.Qc2 Nc4 The isolani on a3 becomes a target 24.Bh7 Kf8 25.Be4 Nf6 26.Bd3 Nb2 27.Qb2 Qd6 28.a4 ba4 29.Qc2 Bd7 30.Ne3 a3 31.Bc4 Qb6 32.Qa2 Qb2 33.Bf7 Qc1 34.Nf1 Bb5 35.N3d2 Bb4 36.Bg6 Ke7 37.Qf7 Kd8 38.Qg7 Nd7 (38...Nd7 39.Bd3 Bd2 40.Bb5 ab5–+) 0–1. Louro,Eugenio (1740) – Weiss,Lester (1965), CP–2007–P–00043, 2007.

9.Nbd2 a6 10.Bd3 h6 11.0-0 Rb8 12.Qe2 (12.Rc1 Bd7+=) 12...dc4= 13.Nc4 Nd5 (13...b5 14.Nce5 Bb7 15.Nc6 Bc6 16.Ne5+=) 14.Rad1 (14.Nce5 Ne5 15.Ne5 Bd6+=) 14...b5= 15.Ncd2 Bb7 16.Rfe1 Re8 17.g3 (17.Ne4 Qa5=) 17...Na5 18.e4 Nf6 (18...Nb6 19.Ra1=+) 19.e5 (19.Rc1 Nc6=) 19...Nd7=+ 20.Ne4 (20.Rb1 Nb6=+) 20...Nb6 (20...Nc4 21.Ra1-/+) 21.Nc5=+ Bc6 (better 21...Bc5 22.dc5 Nd7=+) 22.Na6+/- Ra8 23.Nc5 (23.Bb5 Bb5 24.Qb5 Nbc4+=) 23...Nbc4 (23...Nac4 24.Bc1=) 24.Bc1 Qb6 25.Be4 (25.Be3!?=) 25...Bc5=+ 26.dc5 Qc5 Attacks the isolani on a3 27.Bc6 (27.Nd4 Be4 28.Qe4 Reb8= (worse 28...Na3 29.Ba3 Qa3 30.Nb5+=)) 27...Qc6 (27...Nc6 28.Qc2-/+) 28.Nd4=+ Qb7 29.Qg4 Kh7 30.Qf4 Rad8 31.h4 (31.Bd2!? Rd5 32.Ba5 Na5 33.Nc2=) 31...Rd5=+ 32.h5? (32.Nc2=+) 32...Nc6?? (better 32...Red8 33.Rd3 Qd7-+) 33.Nc6= Qc6 34.Qe4 (better 34.Rd5!? ed5 35.Qf7 Ne5 36.Qf5 Kh8 37.Bd2=) 34...Kg8-/+ 35.Rd5 ed5 (35...Qd5?! 36.Qd5 ed5 37.f4=+) 36.Qg4?? (36.Qd4 Re5! 37.Re5 Ne5 38.Qe5 Qc1 39.Kg2 Qc6-/+) 36...Qe6 (better 36...Ne5 37.Re5 Qc1 38.Kg2 Re5-+) 37.Qf4? (37.Qe6 fe6 38.f4 Ra8-/+) 37...Ne5 (better 37...f6-+) 38.Kf1?? (better 38.Re3-/+) 38...Qf6 (better 38...Qh3 39.Ke2 Nd3 40.Kd3 Re1-+) 39.Bb2+/- Qf4 (better 39...b4!? 40.ab4 Qa6 41.Kg2 f6 42.Be5 fe5 43.Re5 Rd8+/-) 40.gf4+- f6 41.fe5 (41.Be5?! fe5 42.fe5 Kf7=) 41...fe5 42.Re5 Rd8 (42...Re5 43.Be5 Kf7 44.Ke2+-) 43.Bd4 Kf7. jhonores (2280) - apramana16 (2280), Rated Blitz game, lichess.org, 2020.

9.Nbd2 b6 10.Rc1 Bb7 11.Bd3 Rc8 12.0-0 dc4 13.Nc4 b5 14.Ncd2 a6 15.Nb3 Qb6 16.Nc5 Na5 17.Qe2 Bf3 18.Qf3 Nc4 19.Bc3 Rfe8 20.Qh3 h6 21.Rfe1 Nd5 22.Bb4 a5 23.Bc4 bc4 24.Nd7 Qd8 25.Be7 Qe7 26.Ne5 Qa3 27.Qf3 Qe7 28.Nc4 a4 29.Ne5 Rc1 30.Rc1 Ra8 31.Ra1 Qb7 32.h4 Ra7 33.Qd1 a3 34.Nd3 Qb5 35.Qc2 Qa5 36.Qc8 Kh7 37.Qc2 Qc3 38.Qb1 Rb7 39.Qd1 Nb4 40.Nc5 Ra7 41.Rc1 Qb2 42.Nd3 Nd3 43.Qd3 g6 44.Rb1 Rc7 45.Qd1 Qc2–/+ 46.Qc2 Rc2 47.g4 a2 48.Ra1 Kg7 49.Kg2 f5 50.gf5 gf5 51.Kg3 Kf6 0–1. Taulien,Hans_Juergen (2350) – Frick,Alexander (2225), remoteschach.de, 2003.

9.Nbd2 b6 10.Bd3 dc4 11.Nc4 Bb7 12.0-0 Rc8 13.Qe2 Qc7 14.e4 Rfd8 15.e5 Ne8 16.Qe4 g6 17.Qg4 Qb8 (17...Qd7 18.Rfc1=) 18.h4 (18.Rfc1 Qc7+=) 18...Ng7 19.Rad1 Qa8 20.Nd6 (20.Ne3!?=) 20...Bd6=+ 21.ed6 Rd6 22.d5 (22.Rfe1 Ne7 23.Ne5 Nd5-/+) 22...ed5 (22...Rd5 23.Qf4 Ne8 24.Be4 Rd1 25.Rd1-/+) 23.Rfe1 (23.Qf4 Rd7 24.Qh6 f6 25.Bf6 Ne8+/-) 23...Re8-/+ 24.Ng5 Qc8 (24...Re1 25.Re1 Rd8 26.h5 Nh5 27.Nh7-/+) 25.Qf4 Qd7 (better 25...Re1 26.Re1 Rd7-/+) 26.Nf7!+= Qf7 (26...Rde6 27.Nh6 Kh8 28.Re6 Qe6+=) 27.Qd6+/- d4 (27...Rd8 28.Qg3+/-) 28.Rc1 (28.Bd4 Rd8 29.Qf6 Rd4 30.Qf7 Kf7-/+) 28...Re1 (better 28...Rd8 29.Qh2 Qf6+/-) 29.Re1+- Nf5 30.Qf4 (30.Bf5 gf5 31.Bd4 a6+-) 30...Nce7? (30...Qd7 31.Bc4 Kg7 32.g4+-) 31.Rc1 (31.Bf5!? Nf5 32.Qb8 Kg7+-) 31...Bd5 32.Rc7 Qe6 33.Bd4 Nd4 (33...Bg2 34.Bf5 Nf5 35.Ra7+-) 34.Qd4 Kf7 35.Bc4 (better 35.Ra7 Qe1 36.Bf1 Qe6+-) 35...Bc4 36.Qc4 Qc4 37.Rc4 Nd5 38.Rd4 Ke6 39.Kf1 Ke5 40.Ra4 1-0. jhonores (2160) - fertrucha (2150), Rated Blitz game, lichess.org, 2020.

9.Nbd2 dc4 10.Bc4 Bd7 11.0-0 Na5 12.Bd3 Rc8 13.Ne5 Bd6 14.e4 Be8 15.Ndc4 Nc4 16.Nc4 Bb8 17.Ne3 Bc6 18.d5 ed5 19.ed5 (better is 19.Bf6 Qf6 20.ed5=) 19...Qd6 (19...Nd5 20.Qh5 g6=) 20.g3+/– Bd7 (20...Bd5 21.Bf6 Rc5 22.Bg7+–) 21.Qf3 Rc7 22.Rfe1 Rd8 23.Rad1 Bc8 (23...Rc5 24.Bd4+–) 24.Bf5 Bd7 25.Bd7 Rcd7 26.Nf5 Qb6 27.Bd4 Qa6 28.d6! Ne8 29.Nh6 Kf8 30.Re8! Re8 31.Bg7! Kg7 32.Nf5 Kf8 33.Qc3 Qf1 34.Rf1 f6 35.Qf6 Rf7 36.Qh8 1–0. Szabo,Almos (2300) – Secrieru,Ioan, 3rd Romanian Internet Championship, 2005.

9.Nbd2 Bd7 10.Bd3 Rc8 11.0-0 h6 12.cd5 ed5 13.Rc1 Bd6 14.Ne5 Re8 15.Ndf3 Be5 (15...Qe7 16.Re1=) 16.Ne5 Ne5 17.de5 Ng4 18.Rc8 Qc8 19.Be2 Ne5 20.Qd5 Bc6 21.Qd4 f6 22.Qa7 Qf5 23.Qd4 Qg5 24.f3 Ng6 25.e4 Nf4 26.Bc4 Kh8 27.g3 Ne6 28.Qc3 Qc5 29.Kg2 Qe7 30.Rd1 Ng5 31.Bd5 (better is 31.Qb4+–) 31...Bd5= 32.Rd5 Ne4 33.Qe3 (worse is 33.fe4 Qe4 34.Qf3 Qc2 35.Kh3 Qb2–/+) 33...Ng5 34.Qe7 ½–½. Fournier,Frederic (2145) – Dhanulal K R (2015), Chess.com, 2013.

9.Nbd2 Bd7 10.Be2 Rc8 11.0-0 Na5 12.Ne5 dc4 13.Ndc4 Bb5 14.Rc1 Nc4 15.Nc4 Bc4 16.Bc4 Qb6 17.Qb3 Qb3 18.Bb3 Rfd8 19.g3 b5 20.Rc8 Rc8 21.Rc1 Rc1 22.Bc1 Ne4 23.Bc2 Nc3 24.Kf1 Kf8 25.Ke1 g6 26.Kd2 Nd5 27.Bd3 a6 28.Kc2 Ke8 29.Kb3 Kd7 30.e4 Nb6 31.Bd2 Bf6 32.Be3 Kc6 33.g4 Be7 34.g5 a5 35.Bc1 a4 36.Kc3+= Nd7 37.f4 Nb6 38.Bc2 Bf8 39.h4 Be7 40.Bd1 Bf8 ½–½. Lombardy,William J – Teschner,Rudolf, It, Monte Carlo (Monaco), 1969.

9.Nbd2 Re8 10.Bd3 dc4 11.Nc4 a6 12.0-0 b5 13.Nce5 Bb7 14.Ng5 Rf8 15.Qc2 Qe8 16.Nh7 (16.Nh7 Ne5 17.Nf6 Bf6 18.de5+/–) 1–0. Diczew,Filip (2110) – Olchowko,Blazej (1670), Poland–chT2 U20, 2007.

9.Bd3 b6 10.0-0 Bb7 11.cd5 ed5 12.Nbd2 Re8 (12...Rc8 13.Rc1+=) 13.Ne5+= Ne5 (13...Rc8 14.Rc1+=) 14.de5 Nd7 15.Qh5 (15.Bd4 Nc5 16.Bb5 Rf8+=) 15...g6 16.Qe2 (16.Qg4 Bc6+=) 16...Bf8 17.f4 Nc5 18.Bb5 (18.f5 Nd3 19.Qd3 Bg7+=) 18...Re7 19.Qe1 (19.Bd4 a6 20.Bd3 Rc8+=) 19...a6 (19...Rc8 20.Qg3=) 20.Be2+= b5 (20...Rc8 21.f5+=) 21.f5+– Nd7 (21...Qa5!?+–) 22.Qg3 (better 22.e6 fe6 23.fg6+–) 22...Re8?? (better 22...Qb8 23.Nf3 Bg7+–) 23.e6!+– fe6 (23...fe6 24.fg6 Deflection) 24.fg6 h6 25.Qf4 Re7 (25...Nf6 26.Bf6 Qd7+–) 26.Qf7!! (26.Qf7 Rf7 27.gf7 Kh7 28.Bd3) 1–0. Sergienko,Vladislav (2035) – Musiienko,Danylo (1865), Myrgorod Ukraine, Open, 2010.

9.cd5 ed5 10.Bd3 Bg4 11.0-0 Bd6 12.Nbd2 Re8 13.h3 Bh5 14.Qb3 Ne4 (14...Na5 15.Qa4=) 15.Rac1 (15.Qb7 Na5 16.Qa6 Nd2 17.Nd2–/+) 15...Rb8 16.Kh1 Bc7 17.Be4 de4 18.Ng1 Qd6 19.g3 (19.f4!? ef3 20.Ngf3=) 19...Bg6+= 20.Qc3 Ba5 21.Qc2 Qd7 22.Nc4 Bc7 23.Qc3 Rbc8 24.Rfd1 Qd5 (24...b5 25.d5 Ne5 26.Ne5 Be5 27.Qd2–/+) 25.Ne5 Ne7 (25...Be5 26.de5 Qb5 27.Rd2–/+) 26.Qc5 Bf5 27.Qd5 Nd5 28.Nc4 b5 29.Nd2 Bd6 30.g4 Bg6 31.Ne2 h5 32.Rc8 Rc8 33.Rc1 Rc1 34.Bc1 hg4 35.hg4 Nf6 36.g5 Nd5 37.Kg2 f5 38.gf6 gf6 39.Nb1 a6 40.Bd2 Kf7–/+ 41.Nec3 Ke6 42.Na2 Bh5 43.Nb4 Nc7 44.Nc3 Bf3–+ 45.Kf1 Kd7 46.Ke1–/+ f5 47.Bc1 a5 48.Nc2 Kc6 49.Na2 Nd5 50.Bd2 Bc7 51.Nc1 Kb6 52.Nb3 Ka6 53.Nc5 Ka7 54.Nb3 a4 55.Nc5 Nb6 56.Ba5 Nd5 57.Bc7+= Nc7 58.Nb4 Ne8 59.Kd2 Nd6 60.Nc6 Kb6 61.Ne5 Bh5 62.Kc3 Be8 63.Kb4 Nc8 64.Ncd7 ½–½. Fournier,Frederic (1885) – Pace,Colin (2155), Open Cappelle la Grande FRA, 2009.

9.cd5 Nd5 10.Bd3 Qa5 11.Qd2 Qd2 12.Nbd2 a6 13.0-0 b5 14.Rac1 Bb7 15.Rfe1 Na5 16.e4 Nf4 17.Bf1 Rac8 18.g3 Ng6 19.Rc8 Rc8 20.Rc1 Rc1 21.Bc1 h6 22.Bd3 Nf8 ½–½. Fournier,Frederic – Guest4164815, Partie amicale, 5m + 5s, 2008.

9.c4 Na5 10.Ne5 Ne4 11.Ne4 de4 12.Bc3 f6 13.Qa4 fe5 14.Qa5 Qa5 15.Ba5 ed4 16.ed4 Bh4 17.g3 Bf6 18.0-0-0 (better is 18.Bc3!?+=) 18...Bd7 19.Kb1 Rac8 20.Rd2 b6 21.Bb4 Rfd8 22.Bc3 Bc6 23.Rg1 Kf7 24.Bb2 Rc7 25.Bg2 Bb7 26.Re1 Attacking the isolated pawn on e4 26...Rc4 d4 draws heavy fire 27.Be4 Be4 28.Re4 e5 29.Rc2 Rdc8 30.Rd2 ed4 31.Bd4 Ra4 32.f3 Rcc4 33.Bf6 Re4 34.fe4 Kf6 35.e5 Ke5 36.Rd7 h5 37.Rg7 Kf6 38.Rh7 Kg6 39.Rd7 Ra3 40.Rb7 Ra5 41.Kb2 Kf5 42.h3 Rb5 43.Ka3 a5 44.Rf7 Ke4 45.Rf4 Ke5 46.Rh4 Kd6 47.g4 hg4 48.Rh6 Kc7 49.Rh7 Kc6 50.Rh6 Kb7 51.hg4 Rb4 52.Rg6 Re4 53.Kb2 Ka6 54.Kc3 a4 55.Kd3 Re5 56.Kd4 Rc5 0–1. Hoch,Hubertus (2210) – Guzy,Gerhard (2595), corr WC15/WS57 ICCF, 2006.

9.c4 b6 10.Bd3 Bb7 11.0-0 Qd7 12.Qe2 Rfd8 13.Rfd1 Qe8 14.e4 de4 15.Ne4 Na5 16.Ng3 Nb3 17.Rab1 Na5 18.Ne5 Nc6 19.d5 Ne5 20.Qe5 Bd6 21.Qg5 h6 22.Qh4 Qe7 23.Ne4 Nd5 24.Qe7 Ne7 25.Nd6 Rd6 26.Bh7 Kh7 27.Rd6 Bc6 28.Rbd1 Rb8 29.Rd8 Rb7 30.h4 h5 31.R1d3 Nf5 32.Rb3 f6 33.c5 Nh4 (worse is 33...bc5 34.Rb7 Bb7 35.Rd7+/–) 34.cb6 ab6 (34...Rb6 35.Rb6 ab6 36.Rc8+=) 35.Rd6 Bd5 36.Rb4 Attacks the isolani on b6 36...g5 37.Bf6 Kg6 38.Bb2 g4 39.Rbb6 (39.f3 Kf5 40.Kf2+/– (40.Rbb6?! Rb6 41.fg4 hg4 42.Rb6 Ng2+=)) 39...Rb6= 40.Rb6 Ng2 41.Rb8 Ne1 42.Rg8 Kf5 43.Rf8 Kg6 44.Rg8 Kf5 45.Rf8 ½–½. Klaric,Zlatko (2465) – Rukavina,Josip (2415), YUG–ch Borovo, 1981. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Be7 8.Nbd2 0-0)

9.c4 b6 10.cd5 Nd5 11.Bd3 Bb7 12.0-0 Nf6 13.Rc1 Rc8 14.Qe2 h6 15.Rc2 Na5 16.Rfc1 Qd7 17.Bb5 Rc2 18.Bd7 Rc1 (better is 18...Rb2!? 19.Ba4 Bf3 20.gf3 Ba3=) 19.Bc1+/– Nd7 20.h3 (20.Bb2!?+/–) 20...Rc8+= 21.Qd1 Nf6 22.Bb2 Nd5 (22...b5 23.Ne5+=) 23.Ne5 Nc3? (23...Nf6 24.Qa4+/–) 24.Bc3 (24.Qh5!? g6 25.Qh6 Bf6 26.Bc3 Rc3 27.Ng6 Bg7 28.Ne7 Kf8+–) 24...Rc3+/– 25.Nb1 (25.Qh5!? g6 26.Qh6+–) 25...Rc7+= 26.Kh2 Bd6 27.g3 Be4 28.Nd2+/– Bc2 29.Qf3 Ba3 30.Qa8 Kh7 31.Qb8 Rb7?? 32.Qc8+– Ba4 33.Nec4 Bd7 34.Qd8?? Nc4 35.Nc4+= Bb5?? 36.Na3+– (36.Na3 Ba6 37.Qc8+–) 1–0. Fournier,Frederic – Mauro_o, Partie evaluee, 5m + 5s, 2008.

9.c4 Qb6 10.Rb1 Qa5 11.Qb3 Ne4 (11...Rd8 12.Bd3=) 12.Bd3 (12.Qb5 Nd2 13.Nd2 Qb5 14.cb5 Nb8+=) 12...dc4 (12...Rd8 13.Qc2= (worse 13.Be4 de4 14.Ng1 Qg5=+)) 13.Bc4 (13.Qc4 Nd2 14.Nd2 Bd7+= (14...Ba3? 15.Ra1+–)) 13...h6 (13...Bh4 14.Bc1 Be7 15.Bd3 Nd2 16.Nd2=) 14.Rd1 Qc7 (14...Rb8!?+=) 15.Ne4+– (15.Ne4 Na5 16.Qc3 Qc4 17.Qa5+–) 1–0. Janek – Mezemis, internet, 2017.

9.c4 dc4 10.Nc4 a6 11.Bd3 b5 12.Nce5 Qa5 13.Nd2 Ne5 14.de5 Nd7 15.0-0 Rd8 16.Ne4 Bb7 (16...Nb6 17.Qb1 Nc4 18.Nd6 Bd6 19.Bh7 Kh8 20.ed6=) 17.Nd6+= Bd6 18.ed6 Nc5? (better 18...g6+=) 19.Qg4+- f6 20.Rfc1 Qb6? (20...h5 21.Qh5 Nd3+-) 21.Bf6 Rd7 22.Rc5! Qc5 (22...Qc5 23.Qe6 Double attack) 23.Qe6 Rf7 24.Bh7! Kh7 25.Qf7 Rg8 26.d7 Qc6 (26...Qd5 27.Qd5 Bd5+-) 27.Qh5 1-0. marekt (2140) - joseph1 (1750), gameknot.com, 2015.

9.Bd3 Na5 10.0-0 b5 11.a4 (11.Bb5? Qb6–+) 11...b4 12.c3 Bb7 13.cb4 Bb4 14.Ba3 Ba3 15.Ra3 Ne4 16.Ra1 Qe7 17.Qe1 Nd2 18.Nd2 g6 19.Qb1 Rfc8 20.Nb3 Nb3 ½–½. Benassi,Aspasio (2150) – Nichols,Scott (2245), SA–2011–0-00186, 2011.

9.Bd3 a6 10.0-0 b5 11.Ne5 Ne5 12.de5 Nd7 13.a4 b4 14.Nb3 Nc5 (14...Qc7!?+= 15.f4 Nb6 16.Bd4) 15.Nc5= Bc5 16.Qh5 (16.c3+=) 16...g6 17.Qg4 a5 18.Rfd1 Qb6 19.Qf4 Ba6 20.Ba6 Qa6 21.Qf6 (21.Rd2 Qc4+=) 21...Qc4 22.Rac1 (better is 22.Rd2!?–/+) 22...Qa2–+ 23.Ba1 Qa4 (23...Rac8 24.h4 Rc7 25.e4 de4 26.h5–+) 24.Rd5 (better is 24.h4–+) 24...Qc6 (better is 24...ed5!? 25.e6 d4 26.ed4 Be7 27.Qe7 Rae8–+) 25.Rd6–/+ Qe4 (25...Bd6?? 26.ed6 Qc3 27.Bc3 bc3 28.Qc3+–) 26.Bd4 Bd4 27.Rd4 Qf5 28.Qf5 gf5 29.g4 fg4 30.Rg4 Kh8 31.Kf1 Rfc8 32.Rd1?? Rc2–+ 33.Rd7 b3 34.Rb7 b2 35.Kg2 0–1. Bernard,F (1730) – Rambeau,Julien (1950), FRA–ch op–A Paris, 1994.

9.Bd3 a6 10.c4 Rb8 11.0-0 b5 12.c5 Bd7 13.Qe2 Na5 14.Ne5 Nc4 15.Nd7 Qd7+= 16.Nc4 bc4= 17.Bb1 Ne8 18.Bc3 f5 19.Bc2 Nc7 20.a4 e5 21.de5 Bc5= 22.Rad1 Qf7 23.h3 Bb4 24.Ba1 Ne6=+ 25.f4 Rbd8 26.Qf3= Bc5 27.Bb1 Qd7 28.Bc2= d4 29.ed4 Nd4 30.Bd4 Bd4 31.Kh1 Qe6 32.Bb1 c3 33.Rd3 Kh8 34.Qe2 Rfe8 35.Rfd1+= Qc4 36.Qc2 h6 37.a5 Re7?? 38.Rc3!! Bc3 39.Rd8 Kh7 40.Qd3 Qd3 41.Bd3+– Ba5 42.Rd6 Bd2?? 43.g3 Be1? 44.Kg2 a5? 45.Kf3 h5?? 46.g4 Bb4 47.Rg6?? hg4 48.hg4?? Rf7 49.Rc6 Be7?? 50.Bc2 Bd8 51.Ke3 Rc7 52.Rc7 Bc7 53.Bf5 (53.gf5 Bb6 54.Ke4 Kg8+–). Dague,Georges – Taxonera,Florentin, corr FRA–ch24, 1959.

9.Bd3 a6 10.c4 dc4 11.Nc4 b5 12.Ncd2 Bb7 13.0-0 Rc8 14.Qe2 Nb8 15.Rfc1 Qb6 16.e4 Rc1 17.Rc1 Rc8 18.Rc8+= Bc8 19.d5 Ne8 20.Bc2 Bd7 21.Qd3 ed5 22.ed5+= Nf6?? 23.Bf6+– Bf6 24.Qh7 Kf8 25.Qh8 Ke7 26.Ne4 Bg4 27.d6 Kd7 28.Nf6 gf6 29.Qf6 Be6 30.Qe7 Kc6 31.Be4 Kc5 32.d7 Kc4 33.d8Q (33.d8Q Qf2 34.Kf2 Kb3 35.Qd2 Nd7 36.Qc2; 33.Qb4#) 1–0. Markus – Emden, 1963.

9.Bd3 b6 10.0-0 Bb7 11.c4 Na5 12.Rc1 Ba6 (12...Rc8 13.Qe2=) 13.Ne5+= Rc8 14.Qa4 (14.h3 h6+=) 14...dc4 (14...Qe8!? 15.Qe8 Rfe8=) 15.Ndc4+= (15.Bc4? b5 16.Bb5 Bb5 17.Qb5 Rb8–+) 15...Qe8 16.Qe8 Rfe8 (16...Ne8?? 17.Na5 Bd3 18.Rc8 (18.Nd3?! Rc1 19.Rc1 ba5+–) 18...Bf1 19.Nac6+– (19.Kf1?! ba5 20.Ra8 Nd6 21.Ra7 Bf6+–)) 17.Na5 Bd3 18.Nd3 (18.Rc8!? Rc8 19.Nac6+=) 18...ba5= 19.Rc8 Rc8 20.Rc1 Rb8 21.Rc2 Rb3 The isolani on a3 becomes a target 22.Nc5 Rb5 23.f3 Nd5 24.Kf2 Nb6 25.a4 (25.e4 g6+=) 25...Rb4 26.Ba3 Rb1 27.Rc1 (27.Bc1!?+=) 27...Bc5 28.dc5 (worse 28.Rb1 Ba3 29.Ke2 g6–/+) 28...Rc1 29.Bc1 Na4 30.Ba3 Nc3 31.c6 Nb5 32.Ke2 f6 (32...Na3?? 33.c7 f5 34.c8Q Kf7 35.Qb7 Kf8 36.Qa7+–) 33.Kd3 Kf7 (33...Na3?? 34.c7 Kf7 35.c8Q+–) 34.Bc5 Ke8 (34...a4 35.Kc4 a6 36.f4=+) 35.Kc4= a6 36.Kb3 Kd8 37.Bf8 Kc7 38.Bg7 f5 39.g4 (39.Ka4 Kc6 40.Bf8 Kb6=) 39...Kc6 40.g5 Kd7 (40...Nd6 41.h4=) 41.h4+= Ke8 42.h5 Kf7 43.h6 Nc7 44.f4 Nd5 45.Bd4 Ne7 46.Ka4 Ng6 (46...Nc6 47.Bc3+=) 47.Bb6 (47.Ka5 Ke7+–) 47...Nh4 (47...e5!? 48.Bc7 ef4 49.ef4 Ke6=) 48.Ka5+– Ng6 49.Ka6 Nh4 50.Kb7 Ng6 51.Kc6 Nh4 52.Bc5 Ng6 53.Kb5 Nh4 54.Kc4 Ng6 55.Kd3 e5 56.Bd6 ef4 57.ef4 Nh4 58.Kd4 Ke6 59.Kc5 Ng6 60.Be5! Nh4 (60...Ne5 61.fe5 Passed pawn) 61.Kc6 Ng6 62.Kc7 Nh4 (62...Ne5?? 63.fe5 Ke5 64.g6 hg6 65.h7+–) 63.Kd8 Kf7 64.Kd7 Kg6 65.Kc6 Ng2 66.Bc7 Ne1 ½–½. Jablonicky,Martin (2030) – Horbing,Stefan (2090), It, 2014. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Be7 8.Nbd2 0-0)

9.Bd3 b6 10.0-0 Bb7 11.c4 dc4 12.Nc4 Rc8 13.Qe2 b5 14.Ncd2 a6 15.a4 ba4 16.Ba6 Qb6 17.Bb7 Qb7 18.Rfb1 Ra8 19.d5 Nb4 (worse is 19...Nd5 20.Bg7 Qa6 21.Qa6 Ra6 22.Bf8 Kf8 23.e4+/–) 20.de6 1–0. Louro,Eugenio (1740) – Techera,Marcos, BI–2009–F–00008, 2010.

9.Bd3 b6 10.0-0 (10.Rc1 a6=) 10...Bb7 11.Qe2 Rc8 12.c4 (12.Rfc1 Bd6=) 12...Ba6 (12...dc4 13.Nc4 Nd5 14.Rfc1=) 13.Rac1 Na5 14.Ne5 Bb7 15.f3 (15.cd5 Qd5 16.f3 Rfd8+=) 15...Bd6 (15...dc4 16.Ndc4 Nc4 17.Rc4 Rc4 18.Bc4=) 16.cd5+= ed5 17.Rc8 (17.Bf5 Rc1 18.Rc1 Re8+=) 17...Bc8= 18.g4 (18.Rc1 Qe7=) 18...Qe7 19.g5 (19.Bb5 Be6=) 19...Nd7 20.f4 Ne5 21.de5 Bc5 22.h4 (22.Bc2 A) 22...Ba3? 23.Qd3 Bf5 24.Qf5+– (24.Ba3?! Bd3 25.Be7 Bc2 26.Bf8 Kf8+=); B) 22...Nc4 23.Qd3 Bf5 (23...Be3 24.Kg2 Bf5 25.Qf5–/+) 24.Qf5 g6–/+) 22...Nc4 23.Nc4=+ dc4 24.Bc4 Ba3 25.Bd4 Bf5 26.Ra1 Bc5 27.Rd1 a5 28.Kh2 Bd4 29.Rd4 Qc5 30.Qd2 Bg6 31.Bf7?? Bf7–+ 32.e6 Be8 33.h5 Qe7 34.Kg3 b5 35.Kg4 a4 36.Qa5 b4 37.Qe5 b3 38.e4 b2 39.Rd1 a3 40.h6 Ba4 41.Rh1 a2 42.hg7 Re8 43.f5 b1Q (44.f6 Qe6 45.Qe6 Re6 46.f7 Kg7 47.f8Q Kf8 48.Rc1 Re4 49.Kf3 Qd3 50.Kg2 Re2 51.Kg1 Qe3 52.Kf1 Qf2#) 0–1. Juswanto,Denny (2430) – Tiviakov,Sergei (2600), Jakarta op, 1997.

9.Bd3 b6 10.0-0 Bb7 11.c4 dc4 12.Nc4 Rc8 13.Qe2 Qd5 14.e4 Qh5 15.h3 Na5 16.Nce5 Nc6 17.Nc6 Rc6 18.Bc1 Rfc8 19.Re1 Ne8 20.d5 Rc3 21.Bd2 R3c7= 22.Rad1 ed5 23.Bf4 Bd6 24.e5 Bc5 25.Qf1 f6 26.ef6 Nf6 27.Bc7 Rc7 28.g4 Qh6 29.g5 Qh5 30.Qg2 Ne4 31.Be4 de4 32.Rd8 Kf7 33.g6 hg6 34.Ng5 Ke7 35.Rd2 Qh4 36.Ne4+– Kf7 37.Ng5 (37.Ng5 Kg8 38.Rd8 Bf8 39.Qg3 Qg3 40.fg3+–) 1–0. Woelfelschneider,Peter – Grotjohann, 2009.

9.Bd3 b6 10.0-0 Bb7 11.Qe2 Rc8 12.c4 Na5 13.cd5 ed5 14.Rfc1 Bd6 15.Ba6 Qe7 16.Bb7 Qb7 17.a4 Rc1 18.Rc1 Rc8 19.Qd1 a6 20.Ne5 b5 21.ab5 ab5 22.Nd3 Nc4 23.Nb3 Qd7 24.Nbc5 Qf5 25.Bc3 Ne4 26.Ne4 de4 27.Nb4 Bb4 28.Bb4 Nb2 29.Rc8 Qc8 30.Qb1 Nd3 31.Bc5 Qf5 32.f4 ef3 33.Qb5 h6 34.Qb8 Kh7 35.Qg3 fg2 36.Qg2 Nc5 37.dc5 Qc5 38.Qe4 Kg8 39.Qe8 Qf8 40.Qe4 Qc8 41.Kg2 Qe6 42.Qf3 f5 43.Kf2 Qe5 44.Kg1 Qe4 45.Qf2 Kh7 46.Qd2 Qf3 47.Qc1 Kg6 48.Qc5 Kh5 49.Qd4 Qg4 50.Kf2 Qd4 51.ed4 Kg5 52.Ke3 Kf6 53.h4 g5 54.h5 Ke6 (54...Ke6 55.Ke2 Kd5–+) 0–1. Cruz Condori,A (2145) – Zugic,I (2475), IV Open, Calvia ESP, 2007. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Be7 8.Nbd2 0-0)

9.Bd3 b6 10.Rc1 a6 =.

9.Bd3 Qb6 10.Qb1 Bd7 11.0-0 Rac8 12.c4 Rfd8 13.Rc1 Be8 14.Qc2 dc4 15.Nc4 Qc7 16.e4 b5 17.Ne3 Qb8 Black intends b4 18.Qd1 b4 19.e5 Nh5 20.g3 g6 21.Nc4 a5 22.ab4 Nb4 23.Be2 Nd5 24.Nfd2 Ng7 25.Ra5 Bb4 26.Raa1 Bb5 27.Ne4 Ne8 28.Rab1 Rc6 29.Bf1 Rdc8 30.Nc5 Bc4 31.Rc4 Bc5 32.dc5 Rc5 33.Rc5 (33.Rc5 Rc5 34.Bd4+–) 1–0. Rohde,Friedhelm – Clausen,Joerg, DESC, 2005.

9.Bd3 Qb6 10.Rb1 =.

9.Bd3 Rb8 10.c4 Na5 11.0-0 Nc4 12.Nc4 dc4 13.Bc4 b5 14.Bd3 Bb7 15.Ne5 Qb6 16.Qe2 a6 17.e4 Rbd8 18.Kh1 Ne8 19.f4 Bf6 20.Nf3 g6 21.a4+/– Bg7 22.ab5 ab5 23.Bc3 Nd6 24.Ba5+– Qc6 25.Bd8 Rd8 26.Rfc1 Qb6 27.Rab1 b4 28.e5 Nf5+/– 29.Be4 Ba6 30.Qb2 Bf8 31.Qf2 Be7 32.Bf5 gf5 33.Rb3 Kf8 34.h3 h6 35.Qd2 Bb7+/– 36.Re3 Bd5 37.Rb1 b3 38.Qb2 Ra8 39.Rc3 Ra2 40.Rb3 Rb2? 41.Rb6+– (41.Rb6 Ra2 42.Rb8 Kg7 43.Re8+–) 1–0. Jakobsen,Ole – Firth,M, Haag, 1961.

9.Bd3 h6 10.0-0 a6 11.c4 dc4 12.Nc4 b5 13.Ncd2 Bb7 14.Qe2 Rc8 15.a4 ba4 16.Ra4 a5 (16...Nb4 17.Bc4=) 17.Rfa1+= Nd5 18.Bb5 Bb4 19.Qd3 Na7 20.Bc4 Nb6 (20...Nc6!? 21.Bd5 Qd5=) 21.Rb4+/– ab4 22.Ra7 Bf3 23.gf3 Qg5 24.Kf1 Qh5 25.Bb3 Qh2 26.Ne4 Qh5 27.Ke2 Rfd8?? (better is 27...Ra8 28.Ra8 Ra8+/–) 28.Be6!+– fe6 (28...Qg6 29.Bc8 Rc8+–) 29.Nf6 (29.Nf6 Kf8 30.Nh5+–) 1–0. roy1nc6 (1880) – ilki (1785), gameknot.com, 2012.

8.0-0 Qb6 9.Bf6 gf6 10.Nc3 Kh8 11.Na4+= Qa5 12.Nc5 Qc5 13.d4 Qe7 14.c4 b6 15.cd5 ed5 16.Qc2 Rg8?? (16...Bd7 17.Ba6+=) 17.Kh1 (better 17.Qc6 Be6 18.Rfc1+–) 17...Bb7 (17...Na5 18.Bd3+–) 18.Rfc1+– Qe4 (18...Rac8 19.Qf5+–) 19.Qe4 de4 20.Nd2 (20.Nh4!?+–) 20...f5+= 21.Bb5 Ne7?? (better 21...Rac8+=) 22.Rc7+– Rac8 (22...Nc8 23.Rb7 Nd6+–) 23.Rb7 Nd5 (23...Rc2 24.Re7 Rd2 25.Kg1+–) 24.Rf7 (better 24.Bc4!? Nf6 25.Rf7 Rc6+–) 24...Rc2 25.Rf5 Nc3 26.Ne4! Ne4 27.Kg1 Rgc8 28.g4 Nd6 29.Re5 Kg7 (29...Nb5 30.Rb5 Rd2 31.Re5+–) 30.h4 (better 30.Ba4 R2c7+–) 30...Rc1 (30...Nb5 31.Rb5 Rd2+–) 31.Rc1 Rc1 32.Kg2 Nb5 (32...Rc7 33.Rd5 Nb5 34.Rb5+–) 33.Rb5 1–0. Chin,Yi Hao – Lam,Chun Yung Samuel, Jolimark HK Open, 2017.

8.0-0 Qb6 9.Bf6 gf6 10.c4 dc4 11.Bc4 Kh8 12.d4 Bd6 13.Nc3 Be7 14.Qc2 f5 15.Ne5 (better 15.Rab1 Qa5 16.d5 ed5 17.Nd5 Qa3 18.Rfd1+/-) 15...Ne5=+ 16.de5 Qc7 17.Nb5 Qe5 18.Rad1 a6 19.Nd4 Ba3 20.Kh1 (20.Rd3 Be7 21.Nf3-+) 20...b5 21.Be2 (21.Qa2 bc4 22.Qa3 Bb7-+) 21...Bb7-+ 22.Nf3 (22.Bf3 Rac8 23.Qd3 Bf3 24.Nf3 Qc3-+) 22...Qb2 (22...Qg7 23.Qc7 Be4 24.h4-+) 23.Qb2 (23.Qc7 Ra7 24.Qb6 Qe2-/+) 23...Bb2 24.Rd2 Bc3 25.Rc2?! (25.Rd7 Bd5 26.Rd1-+) 25...b4 26.Rd1 Be4 27.Rcc1 Rfd8 (27...Rfc8 28.Ng5 Kg7 29.Rd7-+) 28.Bc4 (28.Rd8 Rd8 29.Ng5 Rd2 30.Ne4 fe4 (30...Re2?! 31.Nc3 bc3 32.Kg1-+) 31.Ba6 b3-+) 28...a5 (28...Bb2 29.Rd8 Rd8 30.Rg1-+) 29.Ng5 Kg7 30.Ne4 fe4 31.f3 (31.Rd8 Rd8 32.Bb3 Rd2-+) 31...ef3 32.gf3 a4 0-1. Darkseid (1855) - Motz Markus (2120), ChessWorld.net, 2014. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6)

8.0-0 Qb6 9.Bf6 gf6 10.c4 Kh8 11.cd5+= ed5 12.d4 Bd6 13.Nh4 (13.Nc3 Qa5 14.Qb3 Be6+=) 13...Rg8 (13...Qb2 14.Nd2 Rg8 15.Ndf3=) 14.Bf3 (14.Nc3=) 14...Qc7 (14...Qb2!? 15.Nd2 Be6=+) 15.g3 (15.Nc3 Ne7 16.Nd5 Bh2 17.Kh1 Nd5 18.Bd5 Bd6+/-) 15...Bh3 (15...Be6 16.Nc3 Qa5 17.Qb3+=) 16.Re1 (16.Nc3 Bf1 17.Nd5+/-) 16...Rg7?? (16...Qa5 17.Nd2 Be6 18.Nb3=) 17.Bg2 (better 17.Nc3+-) 17...Bg2= 18.Kg2 Rag8 (18...Ne7 19.Nd2=) 19.Nf5+= Rg6? (19...Rg5 20.Nd6 Qd6 21.Nc3+=) 20.Nd6 (better 20.Nc3!? Qd7 21.Qf3+-) 20...Qd6+= 21.Nc3 a6 (21...Qd7 22.Ne2+=) 22.Ne2 (22.Qb3 Rg5 23.Qb7 Qe6 24.Qa6 Rh5+-) 22...h5 (22...Rg5!?+/-) 23.Nf4+- Rh6 24.Nh5 Ne7 25.Qe2 Qe6 26.Rh1?? (better 26.Nf4 Qd7 27.Kg1+-) 26...Nf5= 27.Qd1?? (27.Nf4!? Nh4 28.Kg1=) 27...Nh4?? (better 27...Rg5 28.h4 Rgh5-+) 28.Kg1=+ Qh3?? (better 28...Qe4 29.Nf4 Nf3 30.Kg2 Nd4 31.f3 Qe3 32.Nd5 Qe5=+) 29.Nf4+- Qf5 30.h3 (30.Qd3 Qd7+-) 30...Ng6 (30...Qe4!? 31.Qd3 Qf3+=) 31.Qd3+/- Qd3 (better 31...Qd7!?+/-) 32.Nd3+- Ne7 (32...Kg7 33.Rc1+-) 33.Nc5 (33.Rc1 Rc8 34.Kg2 Rc4+-) 33...Rb8 (33...f5 34.Kg2+-) 34.a4 (34.Rb1!? Kg7+-) 34...f5 35.Kg2 b5? (35...Kg7+-) 36.ab5 ab5 37.Ra7 Nc6 (37...Re8 38.Rb1+-) 38.Rf7 b4 39.Rf5 b3 (39...Rd6 40.Rf7+-) 40.Rb1 Na5 41.Rd5 Rc6 42.Rd7 b2 43.Nd3 (43.Rb7 Rb7 44.Nb7 Nb7 45.Rb2 Nd6+-) 43...Rc2 (43...Nc4 44.d5 Rcc8 45.d6+-) 44.Ra7 (better 44.Rb2 Rbb2 45.Nb2 Rb2 46.Rc7+-) 44...Nc4 45.Nb2! Rbb2 (45...Rbb2 46.Rb2 Combination; 45...Rcb2 46.Rb2 Combination; 45...Nb2 46.Rba1 Combination) 46.Rb2 Rb2 47.d5 (better 47.Re7+-) 47...Ne3 48.Kf3 Nd5 49.h4 Rb4 50.Kg2 Nc3 51.Re7 Re4 (51...Ne4 52.Re5+-) 52.Rc7 (52.Re4 Ne4 53.Kf3 Nd2 54.Ke3 Nc4 55.Kd3 Nd6+-) 52...Nd5 53.Ra7 Re7? (53...Rb4 54.Rf7+-) 54.Ra5 (54.Re7!? Ne7 55.g4 Kg7+-) 54...Rd7 55.h5 Kg7 56.Kh3 Kh6 57.g4 Nf4 58.Kg3 (58.Kh4!? Kh7+-) 58...Rf7 59.Rf5?? (better 59.Re5+-) 59...Rf5= 60.gf5 Nh5 61.Kf3 Kg5 62.Ke4 Ng7 ½-½. Darkseid (1800) - Dark Muncan (1775), ChessWorld.net, 2012.

8.0-0 Nc6 9.d3 Be7 10.Nbd2= ½–½. Stevic,Hrvoje – Zelcic,Robert, Gunja2104, 2014. (=1.a3 Nf6 2.b4 e6 3.Bb2 d5 4.Nf3 Be7 5.e3 0-0 6.Be2 c5 7.bc5 Bc5 8.0-0 Nc6)

8.0-0 Nc6 9.Ne1 a6 10.Kh1 (10.Nd3 Bd6=) 10...b5=+ 11.f4 Bb7 12.Bf3 Be7 13.Nd3 Ne4 14.Nf2 Rc8 (better 14...Nd6=+) 15.Ne4+= de4 16.Be4 Qc7? (16...f5 17.Bf3+=) 17.Rf3?? (17.Bh7 Kh7 18.Qh5 Kg8 19.Bg7 Kg7 20.Qg4 Kh7 21.Rf3+-) 17...Na5 (17...f5 18.Rg3 Rf7 19.Bf3+=) 18.Rg3+/- Be4?? (better 18...f6 19.Bd3 Rcd8+/-) 19.Rg7 Kh8 20.Rf7 (20.Rh7! Kh7 21.Qh5 Kg8 22.Qh8) 20...Kg8 (20...e5 21.Be5 Qe5 22.Rf8 Bf8 23.fe5 Bc2+-) 21.Rg7 Kh8 22.Re7 (22.Re7 Kg8 23.Qg4 Bg6 24.Qe6 Rf7 25.Rc7 Rcc7 26.Qa6+-) 1-0. Akrapovik (1615) - Perro_Lobo (1720), lichess.org, 2020.

8.0-0 Qc7 9.c4 dc4 10.Bc4 Rd8 11.d4 Bb6 12.Nbd2 e5 13.de5 Ne5?? (better is 13...Ne4!=) 14.Be5 Qc5 (14...Rd2 15.Qb3 (15.Nd2?! Qe5 16.Qb3 Qh5+–) 15...Rd6 16.Ng5+–) 15.Qb3 Rf8 (15...Qe7 16.Qb2+–) 16.Bd4 Qh5 17.Bb6 ab6 18.Rfd1 Ng4 19.h3 Ne5 20.Ne5 (worse is 20.Qb6 Nc4 21.Nc4 Bh3+–) 20...Qe5 21.Nf3 Qh5 22.Rd5 Qg6 23.Rg5 (23.Ne5 Qf6 24.Rad1 Be6+–) 23...Qc6 (23...Qf6 24.Qb1 Ra5 25.Ra5 ba5 26.Nd4+–) 24.Qc3 Qh6 25.Rg3 Bd7 26.Rd1 Bc6 27.Qb4 Rac8 28.Ne5 Be4 29.Nf3 Rc7?? 30.Rd6+– Qh5 31.Rg5 (31.Rg5 Bf3 32.Rh5 Bh5 33.Rb6+–) 1–0. Fournier,Frederic (1745) – spacky (1995), Active (4/2) ajedrez21.com, 2004.

8.0-0 Qc7 9.c4 e5 10.cd5 Nd5 11.Qc2 Bd6 12.Nc3 Bg4?? 13.Ng5 Be2 14.Qh7# 1–0. pierre – calu_mishu, ChessHere.com, 2006.

8.0-0 Qc7 9.Bf6 gf6 10.d4 Bd6 +=.

8.0-0 Ne4 9.d3= Nd6 10.Nbd2 b5 11.a4 b4 12.Ne5 (12.Rc1 Rb8=) 12...Ne5+= 13.Be5 a5 (13...f6 14.Bb2=) 14.Bb2 (14.Nb3 Bb6=) 14...Qe7 (14...Nb7 15.Nf3=) 15.Nb3= Nf5 (15...Bb6 16.c3=) 16.Nc5 Qc5 17.Qd2 (17.c3 Bd7=) 17...Bd7 (17...d4 18.Bf3 Rb8 19.Rfe1+=) 18.Rfc1 (18.c3 bc3 19.Qc3 Rfc8=) 18...d4+= 19.ed4 Nd4 Attacking the backward pawn on c2 20.Bd1 (20.Qe3 Ne2 21.Qe2 Qg5+=) 20...Bc6 21.Qe3 (21.c3 Qd5 22.f4 bc3 23.Bc3 Rfc8=) 21...Ne2?? (better is 21...e5+=) 22.Be2+– (22.Be2 Qe3 23.fe3+–) 1–0. Wiezer – Geisensetter, corr (year?). (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6)

8.0-0 Ne4 9.d3 Nd6 10.Nbd2 f5 11.Rb1 Qe7 12.c4 Nf7 13.cd5 (13.Qb3 Rd8+=) 13...ed5 14.Nb3 (14.Qa4!?+=) 14...Ba3=+ 15.Qc2 Bb2 16.Qb2 Be6 (16...f4 17.ef4 Qd6 18.Nbd4-/+) 17.Rbc1 Nd6 18.Nc5 Rac8 19.Rc2 b6 (19...f4 20.ef4 Rf4 21.Re1-/+) 20.Ne6=+ Qe6 21.Rfc1 Ne7 22.Nd4 Qd7 (22...Rc2 23.Rc2 (23.Ne6?? Rb2 24.Nf8 Kf8-+; worse 23.Qc2 Qf6=+) 23...Qe5 24.g3=+) 23.Bf3 (better 23.Rc7 Qe8 24.Ra7 Rc1 25.Qc1+/-) 23...Nb7?? (23...Nf7 24.Nb5=+) 24.Qa3?? (better 24.Rc7! Qd6 25.Nb5+-) 24...Nc5=+ 25.Nb3? (better 25.Rb1!?=+) 25...Nd3-/+ 26.Rc8 Rc8 (26...Nc8?! 27.Rd1 Ne5 28.Bd5 Nf7 29.Qb2=) 27.Rc8 Qc8?? (better 27...Nc8 28.Be2 Ne5-/+) 28.Qe7+- h6 (28...f4 29.Bd5 Kh8 30.Be6+-) 29.Bd5 Kh8 30.h3 Qc2 (30...f4+-) 31.Nd4 (31.Qe8 Kh7 32.Bg8 Kh8 33.Bf7 Kh7 34.Qg8) 31...Qf2+- 32.Kh1 Qg3 (32...Qe1 33.Kh2 Qb4 34.Qe8 Kh7 35.Bg8 Kh8 36.Bf7 Qf8 37.Qf8 Kh7 38.Qg8) 33.Qf8 Kh7 34.Bg8 Kh8 35.Bc4 (35.Bf7 Kh7 36.Qg8) 35...Kh7+- 36.Bd3 Qe1 37.Kh2 Qe3 (37...Qa5 38.Bf5 g6 39.Qe7 Kh8 40.Qf6 Kg8 41.Be6 Kh7 42.Qf7 Kh8 43.Qg8) 38.Bf5 g6 39.Qf7 Kh8 40.Qf6 Kg8 41.Be6 Kh7 (41...Qe6 42.Ne6 a5 43.Qg7) 42.Qf7 Kh8 43.Qg8 1-0. amirgloo – Grantthegreat, lichess.org, 2018.

8.0-0 Ne4 9.d3= Ng5 10.Nbd2=.

8.0-0 e5 9.Ne5 Ne5 10.Be5 Bf5 11.h3 (11.Nc3 Ne4+/–) 11...d4+= 12.Bh2 (12.c3 d3 13.Bf3 Ne4+=) 12...Rc8 13.a4 (13.ed4 Bd4 14.c3 Bb6=) 13...a6 (13...de3 14.de3 (worse is 14.fe3 Bc2 15.Qe1 Ne4–/+) 14...Qe7 15.Bd3=) 14.Na3 (14.Bf3 de3 15.de3 Qe7=) 14...Qe7 (14...Ba3 15.Ra3 Bc2 16.Qa1=) 15.Nc4+= Rcd8 16.Qb1 b6 (16...Ne4 17.Bf3=) 17.Ne5 (17.Nb6 Ne4 A) 18.Ba6? Nd2 19.Qb5 Nf1 20.ed4 Bb6 (20...Nh2?! 21.Qc5 Nf3 22.gf3 Qg5 23.Kh1+=) 21.Rf1 Qa7–+; B) 18.Nc4+=) 17...Rc8? (better is 17...de3 18.de3 Bd6+=) 18.Ba6+– Ne4 (18...de3 19.de3 Ra8 20.Bd3+–) 19.Qe1 (19.Bc8!? Nd2 20.Qd1 Nf1 21.Bf5 Nh2 22.ed4 Bd6+–) 19...Ra8 20.Bc4 (20.Bd3 Nd6+–) 20...Qg5 (20...Bb4 21.Nc6 (21.ed4?! Nd2 22.Bd5 Nf3 23.Nf3 Be1 24.Rfe1 Qd7 25.Ba8 Ra8+=) 21...Qc5 22.Nb4 Qb4 23.d3 Qe1 24.Rfe1+– (24.Rae1?! Nd2+–)) 21.Bf4 (21.Nf3 Qd8 22.d3 Ng5 23.Nd4 Bh3+–) 21...Qe7 (better is 21...Qf6+–) 22.Bf7 (better is 22.d3 Nc3 23.Nf3+–) 22...Rf7+= 23.Nf7 Qf7 24.f3 (24.ed4 Bd4 25.c3 Bf6+=) 24...Nf6= 25.Kh1 (better is 25.e4!? Bd7 26.Kh2=) 25...Bc2–/+ 26.e4 d3 27.e5 (27.Be3 Nd7–/+ (27...Ba4?! 28.Bc5 bc5 29.e5=)) 27...Nd5 (27...Re8 28.Qh4 Nd5 29.Bg3–/+) 28.Qe4 Re8 29.Bh2 g6 (29...Bb4 30.Rf2–/+) 30.Qc4 (30.a5 Bb4 31.ab6 Bd2+=) 30...Nc7 (30...Bb4 31.Rf2–/+) 31.Qf7+= Kf7 32.Rfe1 Ke6 33.Re4 Ra8 34.Rf4? (better is 34.Bg1!? Bg1 35.Kg1–/+) 34...Nd5–+ 35.Rc4 (35.Re4 Bb4 36.Bf4 b5–+) 35...Ra5 (35...Bb4 36.Rc1–+) 36.h4 (36.Bg1 Ke5 37.Bc5 bc5 38.Re4 Kd6–+) 36...Nb4 (36...Bb4!? 37.h5–+) 37.f4 Bb3 (better is 37...Kd5 38.Rc5 bc5–+ (38...Rc5?! 39.Bg1 Rc6 40.Kh2–/+)) 38.Re4? (better is 38.Rc3 Ra4 39.Ra4 Ba4 40.Bg1–/+) 38...Bd5 (38...Ba4?! 39.Rc4 Be7 40.Bg3–+; 38...Ra4?! 39.Ra4 Ba4 40.Bg1–/+) 39.f5 gf5 40.Rf4 h5 41.Bg3 Be4 42.Kh2 (42.Rff1 Nc2 43.Rab1 Ra4–+) 42...Nc2 (42...b5 43.Bf2 Bf2 44.Rf2 ba4 45.Rb1–+) 43.Ra2 (43.Rb1 Na3 44.Rc1 Ra4–+) 43...Nd4 (43...b5!? 44.Rf1–+) 44.Rf1 Ne2 45.Be1 (45.Bf2 Bf2 46.Rf2 b5–+ (46...Re5?! 47.Rb2–+)) 45...Ke5 46.Ra1 Ra8 (better is 46...b5 47.Bf2 Bf2 48.Rf2 ba4 49.Ra3–+) 47.Bg3 (47.Bf2–+) 47...Ng3 48.Kg3 Rg8 (48...Rg8 49.Kh3 Bg2 50.Kh2 Bf1 51.Rf1 Rg4 52.Re1 Re4–+) 0–1. zabazaba – slepidze (1720), gameknot.com, 2013.

8.0-0 h6 9.c4 +=.

8.0-0 h6 9.h3 a6 10.d4 Bd6 11.c4 dc4 12.Bc4 b5 13.Bb3 (better is 13.Bd3=) 13...Ne4?? (13...Na5 14.Nbd2+=) 14.Nbd2?? (14.Qc2 Bb7 15.Qe4+–) 14...Nd2= 15.Nd2 Bb7 16.Ne4 Ne7 (16...Na5 17.Nd6 Qd6 18.Ba2+=) 17.Nd6 Qd6 18.Qe2 Qc6 (18...Bd5 19.Bd5 Nd5 20.Rfc1=) 19.f3 Rfc8 20.Rac1 Qd6 21.e4 Qf4 22.Qf2 Rc6 23.Rc6 Nc6 24.d5 ed5 25.Bd5 Qc7 (25...Na5 26.Qd4 Qg5 27.f4+/–) 26.Rc1 Rc8 27.Qc5 Qd7?? (better is 27...Kh7+=) 28.Qc3+– Ne5 29.Qe5 Rc1 30.Bc1 Bd5 31.Bb2 (31.Bb2 f6 32.Qd5 Qd5 33.ed5+–) 1–0. zabazaba (1675) – freeroller, gameknot.com, 2015.

8.Nc3 a6 9.0-0 Bd6 10.Ra2 Qc7 11.Ra1 e5 12.Kh1 d4 13.ed4 Nd4 14.Nd4 ed4 15.Na2 Bf5 16.Bd4 Ba3 (16...Bh2 17.Bf6 Bc2 18.Qc1 gf6 19.Nc3+/–) 17.Nc3 Be7 18.f4 Qd7 19.Be5 Ng4 20.Bf3 Bh4 21.Ne4 Be4 22.Bg4 Qc6 23.Bf3 Bf3 (worse is 23...Qc2 24.Qc2 Bc2 25.Bb7+/–) 24.Rf3 Rfd8 25.Rc3 Qg6 26.d4 Rac8 27.Qf3 Rc3 28.Qc3 Qe4 29.Qh3 Be7 30.Qb3 Kf8 31.c3 f6 32.Bc7 Rc8 33.Qb6 (33.Ba5 Bd6+=) 33...Qd5–/+ 34.f5 Qd7 35.Bg3 Rc3 36.Rb1 Qd5 37.Qb2 Rc4 38.Qe2 Rd4 39.Re1 Qd7 40.Qh5 Bb4 41.Rb1 b5 42.Be1 Be1 43.Re1 h6 44.Qf3 Rd5 45.Rf1 a5 46.Kg1 a4 47.Kh1 b4 0–1. marekt (2305) – MoonShot (2875), ICC, 2003.

8.d3 a6 9.Nbd2 b5 10.0-0 Bb7 11.Qc1 (11.c4 bc4 12.dc4 dc4=) 11...Rc8 12.c4 Be7 13.cb5 ab5 (13...Nd4 14.Nd4 Rc1 15.Rfc1 ab5 16.Nb5=) 14.Qc3 (14.Qb1 Qd7=) 14...b4 (14...Na5 15.Qe5=) 15.ab4 Nb4 (15...Bb4 16.Qb3=) 16.Qb3+= Rb8 17.Be5 Bd6 18.Rab1 (18.Rfb1 Be5 19.Ne5 Nc6+=) 18...Ba6 19.Bd6 Qd6 20.Qa3 Rfd8 21.Rb3 Bc8?? (better 21...Rb6=) 22.Rfb1+- Nc2 (22...Ba6+-) 23.Qd6 (23.Qd6 Rd6 24.Rb8+-) 1-0. Abdumannon (2090) - dannysmet (2080), Rated Blitz game, lichess.org, 2020.

8.d4 Bb6 9.0-0 Qd6 10.Nbd2 Bc7 11.c4 e5?? (better is 11...b6=) 12.de5+– Ne5 13.Ne5 (13.Be5!? Qe7 14.Bf6 Qf6 15.cd5 Rd8+–) 13...dc4 14.Ndc4 Qe6 15.Qc2 (better is 15.Qd4 Qe7+–) 15...b5 16.Nd2?? (better is 16.Nf3 bc4 17.Bc4+–) 16...Be5+= 17.Be5 Qe5 18.Nf3 Qd6 19.Bb5+/– Bg4 20.Be2 Rfc8 21.Qd3 Qd3 22.Bd3 Bf3 23.gf3 Rc3 24.Rfd1 Rac8 25.Ba6 Re8 26.Rac1 Ra3= 27.Bb5 Rf8 28.Ra1 Ra1 29.Ra1+/– Ra8 30.Bc6 Rc8 31.Bb7 Rb8 32.Ra7 g6 33.Ra8 Ra8 34.Ba8 h5 35.Kg2 Kg7 36.Kg3 Nd7 37.f4 f6 38.Bc6 Nc5 39.h4 Nd3 40.Be4 Nc5 41.Bd5 Kh6 42.Kf3 g5 43.hg5 fg5 44.fg5 Kg5 45.Kg3 Nd3 46.f4 Kh6 47.Kh4 Ne1? 48.f5 Nc2 49.e4 Nd4 50.f6 Kg6 51.f7 Kg7 52.Kh5 Nf3 53.Kg4 Ne5 54.Kf5 Nf7+/– 55.Bf7 Kf7= 56.Ke5 Ke7 57.Kf5 Kf7 58.e5 Ke7 59.e6 Ke8 60.Kf6 Kf8 61.e7 Ke8 62.Ke6 ½–½. Fournier,Frederic (2015) – guest2673, Active (5/0), 2004.

8.Bf6 Qf6 9.d4 b6 =.

8.Bf6 Qf6 9.d4 Bd6 10.0-0 Bd7 11.c4 dc4 12.Nbd2 (12.Bc4 e5 13.Nc3 Bf5=) 12...b5-/+ 13.Ne4 Qe7 14.Nd6 Qd6 15.a4 a6 16.Qb1 Rab8 17.ab5 ab5 18.Rc1 h6 19.Nd2 (19.Ra6 Rfc8-/+) 19...Rfc8 (19...e5 20.Ne4 Qg6 21.d5-+) 20.Ne4 Qe7 21.Nc5 Be8 22.Bf3 e5 23.Na6 ed4 (better 23...Rb6 24.d5 Nd8-/+) 24.Nb8+= Rb8 25.ed4 (25.Bc6 Bc6 26.Rc4 (worse 26.ed4 Qg5 27.f3 Bf3-/+) 26...Bg2 A) worse 27.ed4 Qg5 28.f4 Qg4-+ (worse 28...Qf4 29.Rc5 Qd4 30.Kg2 Qc5 31.Qd3-+); B) 27.Rd4=) 25...Nd4=+ 26.Bd1?? (better 26.Rc4! Qf6 27.Rb4 Nf3 28.gf3 Qf3 29.Rb3=+) 26...Rd8 (26...Qe1) 27.Ra3?? (better 27.Kf1-+) 27...Qa3 (27...Qe1) 28.g3 (28.Kf1-+) 28...Bc6 29.h4 Nf3 30.Kf1 Nd2 (30...Nd2 31.Ke1 Nb1 32.Bf3 Qc1 33.Ke2 Nc3) 0-1. black_bishop_88 (2530) - JuanCGlez (2490), lichess.org, 2020. (=1.a3 c5 2.b4 e6 3.bc5 Bc5 4.e3 Nf6 5.Bb2 0-0 6.Nf3 d5 7.Be2 Nc6)

9.c4 dc4 10.Bc4 b5 11.Be2 Bb7 12.Nc3 Rc8 13.Rc1 Bb6 14.d3 h6 15.Qb3 Na5 16.Qa2 Nc6 17.Rfd1 Qd7 18.Qb3 Rfd8 19.h3 Na5 20.Qa2 Bd5 21.Nd5= Qd5 22.Qd5 Nd5 23.Rc8 Rc8 24.Rc1 Rc1=+ 25.Bc1 Bc5 26.Bb2= Nc6 27.Kf1 Kf8 28.Ke1 Ke7 29.Kd2 Nc7 30.Bg7+= Ba3 31.Bh6 a5 32.Bf4 Nd5 33.Bg5 f6 34.Bh6 a4 35.e4 Nb6 36.d4 Na7 37.h4 b4 38.Kc2 b3= 39.Kb1 Bb4 40.Nd2 Nc6=+ 41.Be3 Bd2 42.Bd2 Nd4 43.Bb4 Kf7 44.Bd3 Nc6 45.Bc5 Nd7 46.Ba3 Nde5 47.Bb5+/– Nd4 48.Ba4 (48...Nd3 49.Bb2+/–) 1–0. Eralos (2070) – sabater (2050), ajedrez21.com, 2002.

9.c4 dc4 10.Bc4 b5 11.Be2 Bb7 12.d4 Ba7 13.Nbd2 Rc8 14.Rc1 Na5 15.Nb3 Rc1 16.Bc1 Bd5 17.Na5 ½–½. Yano,William Jorge F (2115) – Branco,Guilherme P (2015), Foz do Iguacu BRA, 2nd Open, 2012.

9.c4 dc4 10.Bc4 b5 11.Be2 Bb7 12.d4 Be7 13.Nbd2 Qd5 14.Qb3 Na5 15.Qd5 Bd5 16.Ne5 Rac8 17.Rfc1 Rfd8 18.f3 Bb7 19.Rc8 Rc8 20.Rc1 Rc1 21.Bc1 Nd5 22.Kf2 Nb6 23.e4 f6 24.Ng4 Kf7 25.Ne3 g6 26.g4 Bd6 27.h3 Bf4 28.Bb2 Bd6 29.Bc3 Nc6 30.Nc2 Na4 31.Ba1 Na5 32.Ke3 g5 33.e5 fe5 34.de5 Bc7 35.Bd3 h6 36.Be4 Ke7 37.Bb7= Nb7 38.Nb4 Nbc5 39.Nd3 Nd3 40.Kd3 Nc5 41.Ke3 Nd7 42.f4 Bb6 43.Kf3 Nc5 44.Ne4 Ne4 45.Ke4= gf4 46.Kf4 Kf7 47.h4 a5 48.h5 b4 49.ab4= ab4 50.Ke4 Bc5 51.Kd3 Be7 52.Kc4+/– Bf8 53.Bd4 Ke8 54.Bc5?? Bg7 55.Bd6+– Kd7 56.Kb4 Kc6 57.Kc4 Kb6 58.Kd4 Kc6 59.Be7 Kd7 60.Bf6 Bf8 61.g5 hg5? 62.Bg5 Ke8 ½–½. Fournier,Frederic (1855) – Perrien,Francis (1935), Ch Club, 2005.

9.d3 b6 10.Nbd2 Qc7 11.c4 Bb7 (11...e5 12.cd5 Nd5 13.Ne4=) 12.Rc1 (12.Bf6 gf6 13.cd5 ed5+/-) 12...Rac8 (12...Qe7 13.cd5 ed5 14.Qb3=) 13.cd5 (better 13.Bf6!? gf6 14.cd5 ed5 15.Nb1+=) 13...Nd5= 14.Nb3 Be3 15.fe3 Ne3 16.Qd2 Nf1 17.Kf1 Qd6 18.Nbd4?? (better 18.Bg7 Kg7 19.Qg5 Kh8 20.Qf6 Kg8 21.Qg5 Kh8 22.Qf6 Kg8 23.Qg5 Kh8=) 18...Nd4-+ 19.Nd4 Qh2 20.Bf3 Bf3 21.Nf3 Rc1 22.Bc1 Qh1 23.Kf2 Qh5 24.Qb4 b5 25.Be3 h6 26.Qa5 Qd5 27.d4 Qd6 28.Ne5 Rc8 29.Qd2 (29.Qb4 Rc2 30.Kf1 Qc7-+) 29...Qa3 30.Bh6 (30.Qd1-+) 30...gh6 31.Qh6 (31.Qe2-+) 31...Rc2 32.Kg1 (32.Qd2 Rd2 33.Kg1 Qg3 34.Nf7 Qg2) 32...Qa1 (32...Qg3 33.Qg7 Kg7 34.Nf7 Qg2) 33.Kh2-+ Qd4 (better 33...Qc1!? 34.Qf6 Rc7 35.Nd3-+) 34.Qg5 Kf8 35.Qh6?? (better 35.Qf6 Rg2! 36.Kg2 Qe4 37.Kg3 Qe1 38.Kg4 Qe2 39.Kh4 Qh2 40.Kg5 Qg3 41.Ng4-+) 35...Ke7 36.Qg5 Kd6 (better 36...f6 37.Ng6 Kd7-+) 37.Qd8 (37.Nf7 Kc7 38.Ne5-+) 37...Ke5 38.Qd4 Kd4 (38...Kd4 39.Kh3 b4 40.Kh4 b3 41.Kg5 Rg2 42.Kf6 b2 43.Ke7 b1Q 44.Kf6 e5 45.Ke7 Qb7 46.Kf8 f5 47.Ke8 Rg8) 0-1. avz81 (1685) - kalunya (1715), lichess.org, 2018.

9.d4 Be7 10.a4 Na5 11.Nbd2 Bd7 12.c4 Rc8 13.Ne5 dc4 14.Ndc4 Nc4 15.Bc4 Bc6 16.Qe2 Nd5 17.Rfc1 Nb6 The isolani on a4 becomes a target 18.Ba6 Bg2 19.Kg2 ba6 20.Qa6 Rc1 21.Bc1 f6 22.Nf3 e5 23.Rb1 Qc8? (better is 23...Nd5!? 24.e4 Nc7 25.Qc4 Kh8 26.de5 Qd7+–) 24.Qc8 (24.Qb6?! Qg4 25.Kf1 Qf3 26.Qe6 Kh8+=; 24.Rb6 Qg4 25.Kf1 Qf3 26.Qc4 Kh8=) 24...Rc8 25.Rb6 Rc1 26.de5 Ra1 27.e6 (27.e6 g6 28.Nd4 Ra4 29.Rb8 Kg7 30.Nc6+–) 1–0. Skrzypczak,Michal (1980) – Wloch,Roman (1695), III Wielkopolska Liga Seniorow Poland, 2013.

9.d4 Be7 10.Nbd2 b5 11.c3 Bb7 12.Rc1 (12.a4 b4=) 12...Qb6 13.Qb3 Na5 14.Qa2 Rfc8 15.Nb3 (15.a4 ba4 16.Ba3 Ba3 17.Qa3 Nb3+=) 15...Nc4–/+ 16.Bc4 dc4 17.Nbd2 Qc6 18.Qb1 g5 19.h3 g4 20.hg4 Ng4 21.e4 Kh8 22.Rce1 Rg8 23.g3 1–0. Fournier,Frederic (1865) – mean (1640), Active, 2008.

10.c4 dc4 11.Bc4 b5 12.Bd3 Bb7 13.Nbd2 Bc7 14.Qc2 Qd6 (14...Rc8!?=) 15.Ne4 Ne4 16.Be4 f5 17.Bd3?? (better is 17.Bc6 Qc6 18.Qc6 Bc6 19.Rac1 Bf3 20.Rc7=) 17...Nd4!–+ 18.Bd4 (18.Bd4 Bf3 Decoy; 18.ed4 Bf3 Combination; 18.Nd4 Qh2#) 18...Bf3 19.g3 e5 (better is 19...Rad8!?–+) 20.Bc5+= Qh6 21.h4 (21.Bf8 Qh3 22.Qb3 Kf8 23.Qb4 Kg8 24.Bc4 Kh8 25.Qf8 Rf8 26.Bb5 Qg2) 21...Qg6?? (better is 21...Rf7 22.Bf5 Rd8–/+) 22.Bf8+– Rf8 23.Qc7 Qg4 24.Kh2 (24.Qe5 Qh3 25.Qg7 Kg7 26.Bb5 Qg2) 24...g5 (24...e4 25.Bc2 Be2 26.Bb3 Kh8+–) 25.Qe5 gh4 26.Rg1 h3 27.Rac1 (27.Qe6 Kg7 28.Qa6 b4+–) 27...Bg2 (27...Qg6+–) 28.Rc7 Be4 (28...Qg6 29.Bc2 Qf6 30.Bb3 Kh8 31.Qf6 Rf6 32.Rd1 Rf7 33.Rf7 Bd5 34.Rd5 b4 35.Rd8) 29.Qe6 Kh8 30.Qe7 f4 (30...Rf7 31.Qf7 Qg3 32.Rg3 Bd3 33.Qh7) 31.Qf8 1–0. mr5reasons1 (1625) – boreto (1660), gameknot.com, 2013.

10.c4 dc4 11.Bc4 b5 12.Be2 Bb7 13.Nc3 Qc7 14.g3 (14.Bd3 Rac8+=) 14...Rfd8 15.Qb3 Na5 16.Qa2 Nc4 17.Bc4 bc4 18.Nd2 Rac8 19.Rac1 Nd5 (19...Be7–/+) 20.Rc2 (20.Nce4 Nb6+=) 20...Qc6 (better is 20...Bg3!? 21.fg3 Ne3–+) 21.e4 Nc3 (better is 21...Nb6!?–/+) 22.Rc3= The pressure on the isolated pawn grows 22...Qb6 (22...Qd7=) 23.Nc4 (23.Rc4!? Qb5 24.Rfc1+=) 23...Qd4+= 24.Nd6 Qd6 25.Rc8 Rc8 26.Qa1 f6 27.Qb1 Qd2 (27...Rb8 28.Rd1 Be4 29.Rd6 Bb1 30.Bc1+=) 28.Bc1 (better is 28.Bf6!? Bc6 29.Rc1+/–) 28...Qd7+= 29.Bf4 e5 30.Be3 Bc6 (30...Qb5 31.f3+=) 31.Rd1 (31.Rc1 f5 32.Qa2 Kh8 33.ef5 Qf5=) 31...Qb7 (31...Be4 32.Rd7 Bb1 33.Rd6+=) 32.f3 Qb5 33.Qa2 Kh8 34.Qd2 h6 35.Rc1 Qb8 (better is 35...Kh7!?=) 36.Bh6+/– Rd8 37.Qf2 (37.Rc6 Rd2 38.Bd2 Qa7 39.Kg2 Qd7–+) 37...Bb5 38.Be3 Qd6 39.Bc5 Qd3 40.Bb4 a5 41.Ba5 Qa3 42.Bd8 Qc1 43.Kg2 Bf1 44.Qf1 Qd2 45.Qf2 Qd8 46.h4 Qe7 47.Qc2 g6 48.Qc8 Kg7 49.Qg4 Qc7 (49...Kh6!?+/–) 50.h5+– g5 51.Qf5 Qf7 52.g4 Qe8 (better is 52...Qa2 53.Kg3 Qf7+–) 53.h6! Kf7 (53...Kh6 54.Qf6 Double attack (54.Qf6 Deflection)) 54.Qh7 Ke6 55.Qb7 Qh8 56.h7 Kd6 (56...Qe8 57.Qg7 Qb5 58.Qa7+–) 57.Kg3 Ke6 58.Qd5 Ke7 59.Qg8 (59.Qg8 Qh7 60.Qh7 Kf8 61.Qc7+–) 1–0. zabazaba – robledomattos (1795), gameknot.com, 2013.

10.c4 dc4 11.Bc4 Qc7 12.Nbd2 b5 13.Bd3 Nd5 14.Ne4 Be7 15.Rc1 Bb7 16.Nc5 Bc5 17.Rc5 Qb6 18.Qc2 Rac8? (better is 18...f5+/–) 19.Bh7+– Kh8 20.Ng5 (20.Ng5 f5 21.f4+– (21.Ne6?! Nd4 22.Bd4 Qe6 23.Rc8 Bc8+=)) 1–0. Janek – Bonnie, internet, 2016.

10.c4 Ne4 11.cd5 ed5 12.Nbd2 Re8 13.Rc1 h6 14.Ne4 de4 15.Nd2 Bb8 (15...Qg5 16.Kh1=) 16.Qb3 Qd6 17.g3 Qe7 18.d5 Ne5 (18...Na7!?+=) 19.Ne4+/– Ng4? (better is 19...Bf5 20.Nd2 Bd6+/–) 20.Rc8!+– Rc8 21.Bg4 Re8 22.Bf5 g6 (22...Be5 23.Rd1 Rad8+–) 23.Nf6 Qf6 (23...Kf8 24.Nd7 Kg8 25.Bh3+–) 24.Bf6 (24.Bf6 gf5 25.Qd3+–) 1–0. Janek – Edward, internet, 2016.

10.c4 Ne4 11.cd5 ed5 12.Nbd2 f5 13.Qb3 Ne7 14.Rac1 Kh8 (14...Be6 15.Ne4 (15.Qb7?? Rb8 16.Qa6 Rb2–+) 15...fe4 16.Ng5+=) 15.Ne4 (15.Rc2 Nc6+–) 15...fe4 16.Ne5 b5 (16...Be6 17.Bc3+– (17.Qb7? Rb8 18.Qa6 Rb2–+)) 17.Bc3 Be6 18.Bb4 Bb4 19.Qb4 (19.ab4 Ng6 20.Rc6 Ne5 21.de5 Qe7+–) 19...Ng6 20.Ng6 hg6 21.Rc6 Qe8 22.Rfc1 (22.Rd6 Rf6+–) 22...Qf7 23.Qe1 Rac8 (23...Rfc8 24.Rd6 Rc1 25.Qc1+–) 24.f4 Rc6 (24...ef3 25.Bf3 g5 26.Bd5 (worse 26.Ra6 Rc1 27.Qc1 g4–/+) 26...Rc6 27.Bc6+–) 25.Rc6+– Rc8 (25...Bc8 26.Qc1 Qe8 27.Qc5+–) 26.Qh4 (26.Ra6 Qe8+–) 26...Kg8 27.Rc8 Bc8 28.Qd8 Qf8 29.Qd5 Kh7 30.Qb3 (30.Qc5 Qc5 31.dc5 Kg8+–) 30...Qd6 31.Qb4 (31.Qc3 Be6+–) 31...Qc6 (31...Qd5 32.Qc5 Qa2 33.Kf1+– (33.Qc8?! Qe2 34.Qh3 Kg8 35.Qe6 Kh7 36.Qh3 Kg8 37.Qc8 Kh7 38.Qh3=)) 32.Kf2 Be6 33.Qe7 (33.Qc5 Qc5 34.dc5 Kg8+–) 33...Bb3 (33...Qd5 34.Qh4 Kg8 35.Qg5+–) 34.Qc5 Qe6 (34...Bd5 35.Kg3+–) 35.h3 Ba2 (35...Qd5 36.Bg4+–) 36.Bg4 White prepares the advance f5 36...Qb3 (36...Qd5 37.f5+–) 37.f5 Qb2 (37...Qf7 38.Kg1 Qd5+–) 38.Kg3 Qd2 (38...Bf7 39.fg6 Bg6+–) 39.fg6 (39.fg6 Kh8 40.Qf8 Bg8 41.Be6 Qe3 42.Kh2 Qf4 43.Qf4 Be6 44.Qh4 Kg8 45.Qd8) 1–0. Janek – esson, internet free game, 2017.

10.Nbd2 b5 11.a4 b4 12.Bd3 =.

10.Nbd2 b6 11.c4 Bb7 12.Rc1 dc4 13.Nc4 b5 14.Ncd2 (14.Nd6 Qd6 15.Bd3 Ne7+=) 14...Qe7 15.a4 b4 16.Nc4 Bc7 17.Nfd2 Na5 (17...Rac8 18.Nb3+=) 18.Na5 Ba5 19.Nc4 (19.Nb3 Bb6=) 19...Bc7 20.a5 Rfb8 21.f3 Nd5 22.e4 (22.g3 Qg5 23.Qb3 f5=) 22...Nf4 (22...Qh4 23.Ne5 (23.ed5?? Bh2 24.Kh1 Bg3 25.Kg1 Qh2) 23...Be5 24.de5=) 23.g3 Ne2 24.Qe2 Rc8 25.Qc2 (25.Qe3!?=) 25...Ba5!–/+ 26.Qb3 (26.Na5 Rc2 Pinning (26...Rc2 Deflection; 26...Rc2 Clearance)) 26...Bc7–+ 27.Ra1 (27.Qa4 a5–+) 27...h5 (27...a5 28.Rfc1–+) 28.Rf2? (28.Na5!? Ba5 29.Ra5+=) 28...Bc6 (28...a5 29.Qa4–+) 29.Rc2 (29.Na5 Bb5–+) 29...Bb5 (29...a5 30.Qd3 a4 31.d5 ed5 32.ed5–+) 30.Kg2 (30.Rac1 Rd8 31.Qe3 Rd7–/+) 30...h4 (30...Bd8 31.Qd3–+) 31.f4? White intends e5 (better is 31.Rac1!? Bd8 32.e5–+) 31...Bd8–+ 32.Kh3 (32.Rac1–+) 32...Bc7 (better is 32...a5 33.Rac1 a4–+) 33.Rac1?? (33.Kg2 Bc6 34.Qd3 Bb7–+) 33...Bd8 34.e5?? (34.Ra1 a5 35.Ne5–+) 34...a5 35.Nd6 Rc2 36.Qc2 (36.Rc2 Bd7–+) 36...Bd7 37.g4 (37.Qd2 Ra6–+) 37...a4 38.Rb1 (38.g5 a3 39.Ba1 Ra6–+) 38...Ra6 39.Qc5 Rc6 (better is 39...a3–+) 40.Qb4–/+ Rb6 41.Qe1 Rb3 (41...Bc6!? 42.Bc3 Qa7–/+) 42.Bc3–/+ Bc6 43.Rb3 ab3 44.Qd2 (44.g5!?–/+) 44...Qa7–+ 45.f5?? (better is 45.Qe2–+) 45...Qa2 46.Qb2 (46.Qa2 ba2 47.Bb2–+) 46...Qa6 47.Qb1 (47.Nb5 Qb5 48.g5 Qf1 49.Kh4 Qf4 50.Kh3 Qe3 51.Kh4 Qg5 52.Kh3 Qh4) 47...Qe2 48.f6 g5 0–1. Gainanov,Ramzil – Arslanov,Rafil, Polufinal RB, 2011.

10.Nbd2 Ne7 11.c4+= Ng6 12.Bd3 Bb8 13.Rc1 Qd6 (13...dc4 14.Rc4 b5 15.Rc2=) 14.g3 Ng4 15.Bg6 hg6 16.Ne5 Nf6 17.Qe2 Qb6 18.Bc3 Be5 19.de5 Nd7 20.Qg4 Re8 21.Nf3 Nf8 22.h4 (22.Bb4 Qc6+/–) 22...dc4 (22...Qb3 23.Bb4 b5 24.cb5 ab5+/–) 23.Ng5 (23.Nd2 Nd7+/–) 23...Nh7 (23...Qc7=) 24.Rcd1?? (24.Nh7!? Kh7 25.Qc4+=) 24...Qb3 (24...Ng5 25.hg5 Qb3 26.Bb4–/+) 25.Bb4 (25.Ne4 b5 26.Qf3=) 25...Qc2 26.Nh7 Kh7 27.e4 a5 28.Bc5 b6 29.Bb6 Bb7 30.Rfe1 Ra6 31.Bc7 Rc6 32.Rd7+/– Qc3 33.Red1 Rc8 34.Bd6 Rb6 35.Rf7 Qc2+/– 36.Rf4 Rb2? 37.Rf1+– Qe2 38.Qe6 Rg8 39.h5! gh5 40.Qf5 Kh6?? 41.Be7 g6 42.Qf7 Rh8 43.Bf6 (43.Bf6 Qf1 44.Kf1 Rg8 45.Qg8 Rb1 46.Kg2 Be4 47.Re4 Rg1 48.Kg1 h4 49.Rh4 mate; 43.Bf8 Rf8 44.Qf8 Kg5 45.Rg4 hg4 46.Qf6 Kh6 47.Qh8 Kg5 48.Qh4 mate) 1–0. Haubro,Sigfred (2110) – Christiansen,Johan_Sebastian (1965), Copenhagen DEN, Open Jan, 2012.

9.Nc3 Bb7 10.Na4 Bd6 11.c4 dc4 12.Bc4 Qc7 (12...Rc8 13.d4=+) 13.Qe2 (13.Bf6 gf6 14.d4 Rfc8=) 13...Ne5 (13...Na5 14.Ba6=+) 14.Ne5= Be5 15.Be5 Qe5 16.d4 Qa5 17.Nb2 Rac8 18.Rfc1 Rc7 19.Bd3 Rfc8 (19...Rc1 20.Rc1 Qa3 21.Rb1=+) 20.Rc7= Rc7 21.Nc4 Qd5 22.f3 g6 23.Rd1 Ba6 24.Ne5 (24.Nb6 ab6 25.Ba6 Qb3=) 24...Bd3= 25.Qd3 (25.Rd3 Nd7 26.e4 Qb5 27.Nd7 Rc1 28.Kf2 Qd7=) 25...Nd7 (25...Qa2!?=+) 26.Nd7= Qd7 27.e4 Qd6 28.d5 ed5 29.Qd5 Qd5 (29...Qc5 30.Kf1=) 30.Rd5 (30.ed5 f5+=) 30...Rc3 31.a4 Ra3 32.Rd4 g5 33.h4 h6 (33...gh4 34.Kh2=) 34.hg5 hg5 35.Kh2 Kg7 36.Kg3 Kg6 37.Kg4 f6 38.g3 Kf7 (38...Ra1 39.f4 gf4 40.gf4 f5 41.ef5 Kf6 42.Rd6 Ke7 43.Rh6 Ra4 44.Kg5+=) 39.f4 (better 39.Rd7!? Kg6 40.Ra7+-) 39...gf4 40.gf4 Ke6 41.Rb4 Ra1 42.Rc4 Rg1 43.Kf3 Rf1 44.Ke3 Re1 (44...Kd7 45.Rd4 Ke7 46.f5=) 45.Kf2 (45.Kd2 Rf1 46.Rc6 Ke7+=) 45...Ra1 (45...Rd1!?=) 46.Rc6+/- Ke7 47.Rc7 Ke6 48.Ra7 Ra2 (48...f5!?+/-) 49.Ke3+- Ra3 50.Kd4 Rf3? (better 50...f5 51.Ra6 fe4 52.Ke4 Ke7+-) 51.f5 Kd6 52.Rb7 (52.Rf7 Ra3 53.Rf6 Kc7 54.Rf7 Kc6+-) 52...Kc6? (better 52...Rb3+-) 53.Rf7 Ra3 54.Rf6 Kb7 55.e5 Ra4 56.Kd5 Ra5 (56...Ra1 57.Rf7 Ka6 58.e6 Rd1 59.Ke5 Re1 60.Kd6 Rd1 61.Kc7+-) 57.Kd6 Ka6 (57...Ra1 58.Rf7 Ka6 59.f6+-) 58.Rf7 (better 58.e6 Ra2 59.e7 Rd2 60.Kc7+-) 58...Ra1 59.e6 Rd1 60.Ke7 Re1 (60...b5+-) 61.f6 Kb5 62.Rf8 Kc6 63.Rc8 Kb7 (63...Kd5 64.Rd8 Ke5+-) 64.Rc2 Rh1 65.f7 Rh7 66.Ke8 Rh8 67.f8Q Rf8 68.Kf8 b5 69.e7 (69.e7 Ka6 70.e8Q Ka5 71.Qd8 Ka4 72.Qd4 b4 73.Qa7 Kb3 74.Qa2) 1-0. black_bishop_88 (2585) - Skypelesson99 (2485), lichess.org, 2020. (=1.a3 c5 2.b4 e6 3.bc5 Bc5 4.Bb2 Nf6 5.e3 0-0 6.Nf3 d5 7.Be2 Nc6 8.0-0 b6)

9.Nc3 Bb7 10.Nb5 Be7 11.a4 a6 12.Nbd4 Na5 13.Bc3 Nc4 14.d3 Nd6 15.Ne5 Rc8 16.Bb4 Nd7 17.f4 Nc5 18.Bg4 Bf6 19.a5 b5 20.Kh1 Re8 21.Ra3 g6 22.Rc3 Na4 23.Rc8 Bc8 24.Bf3 Qc7 25.Qc1 Nc5 26.c4 dc4 27.Qa3 Ncb7 Attacking the isolated pawn on a5 28.Rc1 Be5 29.fe5 Nf5 30.dc4 bc4 31.Nc6 Nd8 32.Bd6 Qd7 33.Rc4 f6 34.Nd8 Nd6 35.ed6 Rd8 36.Qc1 Kg7?? (better is 36...e5 37.Bd5 Kh8+–) 37.Rc7 (37.Rc7 Kh8 38.Rd7 Bd7 39.Bb7+–) 1–0. Miraglia,Jorge – Bennett,Hilton, email 4AMM–F, 1998.

9.Nc3 Qc7 10.Nb5 Qd8 11.Nfd4 Nd4 12.Nd4 a6 13.Rb1 Qc7 14.Nf3 Nd7 15.a4 f5 (15...Bd6!?+=) 16.c4+= Bb7 17.d4 Bd6 18.Rc1 Qb8 19.a5 ba5 (19...Rf7 20.Bc3+=) 20.c5+/– Bc5? (better is 20...Bc8 21.Ba3 Be7+=) 21.dc5+– (21.Rc5?! Nc5 22.dc5 Bc6+/–) 21...Qc7 (21...Bc6 22.Qd4 Nf6 23.Ne5+–) 22.Nd4 White prepares c6 22...Rfe8 23.c6 e5 24.Nb5 Bc6 25.Nc7 Rec8 1–0. marekt (2355) – Tamas_Demeter (1705), ICC, 2003.

9.c4 Bb7 10.cd5 Nd5 11.d4 Bd6 12.Nc3 Nf6 (12...Nc3 13.Bc3 Rc8 14.Qb1=) 13.Nb5 (13.e4 Bc7=) 13...Bb8 14.a4 (14.Rc1 a6 15.Nc3 b5=) 14...a6 15.Nc3 Qd6 (15...Qc7!?=) 16.Ba3+= Nb4 17.Rb1?? (17.Ne5 Nfd5 18.Nd5 Bd5+=) 17...a5?? (better 17...Bf3 18.g3 Be2 19.Qe2 a5-+) 18.Nb5+= Qe7 19.Bb4 ab4 20.Qd2 (20.Qb3+=) 20...Bc6 (better 20...Ra4 21.Rfc1 Bd5=+) 21.Qb4+/- Qe8 22.Rfc1 Nd5 23.Qb2 (better 23.Qb3!?+/-) 23...Ra4+= 24.Nc3 Rb4 25.Qd2 (25.Qc2 Rb1 26.Rb1 Qd8+=) 25...Rb1= 26.Rb1 Qd8 27.Nd5 Bd5 28.h3 (28.Qd3 Bb7=) 28...Bc7 29.Bb5 (29.Qc2 Qe7=) 29...Qd6 (better 29...Bf3 30.gf3 Qg5 31.Kf1 Qf5-/+) 30.Ne5? (better 30.Qb4=+) 30...f6-+ 31.Nf3? (better 31.e4 fe5 32.ed5 ed4 33.g3 Qd5 34.Rb4-+) 31...Bf3 32.gf3 (32.g3-+) 32...Qh2 33.Kf1 Qh1 34.Ke2 Qb1 (34...Qb1 35.Bd3 Qb3-+) 0-1. onxisback (2165) - mateurdu75 (2060), Rated Bullet game, lichess.org, 2014.

9.c4 dc4 10.Bc4 Bb7 11.d4 Be7 12.Nbd2 Qc7 13.Qb3 (better is 13.Rc1!?=) 13...Na5+= 14.Qa2 Nc4 15.Nc4?? (better is 15.Qc4 Rac8 16.Qc7 Rc7 17.Rfc1+=) 15...Bd5–+ 16.Rac1 Bc4 (better is 16...b5–+) 17.Rc4= Qb7 18.Rfc1 Rac8 19.Ne5 Rc4 20.Qc4 Nd5 21.Qc6 Qc6 22.Nc6 a5? 23.Ne5?? f6 24.Nf3 Rb8 25.Nd2 b5+= 26.Nb3 b4 27.ab4? Bb4 28.Ba1 a4 29.Nc5 Bd2 30.Rd1 Kf7?? 31.Na4+= Rb4 32.Nc5 e5 33.g3 ed4 34.Bd4+– Bc3 35.Ne4 Bd4+/– 36.Rd4 Rd4 37.ed4 Nb4 38.Nc5 Nc6 39.d5+/– Nd8 40.f4 Ke8 41.Kf2 Ke7 42.Ke3 Kd6 43.Kd4 Nf7 44.Ne4 Kd7 45.Kc5 Nh6 46.h3 Nf5 47.g4 Ne3 48.Kd4 Nd1 49.Nc5 (49.Nc5 Ke7 50.h4+–) 1–0. Fournier,Frederic (1965) – parapidov (1800), Active (5/0), 2005.

9.d3 Bb7 10.c4 dc4 11.dc4 (11.d4 Be7 12.Bc4 Rc8=) 11...Qe7 12.Nc3 Rfd8 13.Qc2 Rac8 14.Rad1 (14.Bd3 Na5=+) 14...h6 (14...Ba3!? 15.Rd8 Rd8 (15...Nd8?! 16.Ba3 Qa3 17.Nb5=) 16.Ba3 Qa3-/+) 15.Rd8 (15.Qa4 e5=+) 15...Rd8 16.Rd1 (16.Qa4 e5=+) 16...Rd1-/+ 17.Qd1 Qd7 (17...Ba3!? 18.Ba3 Qa3-/+) 18.Qd7 Nd7 19.Nb5 a6 20.Nbd4 Nd4 (20...Na5 21.Nd2=+) 21.Nd4 (21.ed4 Bd6=) 21...e5 22.Nf3 (22.Nb3 Bd6=+) 22...f6 23.Nd2 Kf7 24.Bf3 (24.Bg4 Bc6=+) 24...Bf3-/+ 25.Nf3 b5 (25...Bd6 26.Ne1-/+) 26.cb5=+ ab5 27.Kf1 Nb6 28.Nd2 Na4 29.Bc1 Ke6 30.Nb3 (30.e4 Nc3=+) 30...Kd5-/+ 31.Ke2 Kc4 (31...Bd6-/+) 32.Nd2 (better 32.Nc5!? Nc5 33.Bd2=+) 32...Kc3-+ 33.Ne4 Kc2 (33...Kb3 34.f4-/+) 34.Nc5-/+ Nc5 (34...Kc1?! 35.Ne6=) 35.Bd2 g6 (35...Na6 36.e4-/+) 36.Bb4=+ Ne6 (36...Nd3 37.Bf8=+) 37.h4 e4 38.g3 (38.f3 f5=) 38...f5 39.Bd6 Nd8 40.f3 (40.Bf8 h5 41.f3 Nc6-+) 40...Nc6 (40...h5 41.fe4 fe4 42.Bc5-+) 41.g4=+ h5 42.gf5 gf5 43.fe4 fe4 44.Bc5 (better 44.Kf2!?-/+) 44...Ne5-+ 45.Be7 Nc4 46.Bc5 (better 46.Kf2-+) 46...Kb3 47.Kf2 Na3 48.Kg3 Nc4 (48...Nc2!? 49.Kf4 Kc4 50.Be7-+) 49.Kf4 Nd2 50.Kg5 Kc4 51.Be7 b4 (51...Nf1 52.Kf4 Kd3 53.Bc5-+) 52.Kh5? (52.Bb4 Kb4 53.Kh5=) 52...b3-+ 53.Bf6 Nf1 54.Kg6?? (54.Kg5 Ne3 55.h5-+) 54...Ne3 55.h5 Ng4 56.Bb2 (56.Bg7 e3 57.Kg5 e2 58.Kg4 e1Q-+) 56...e3 57.h6 (57.Kf5 e2 58.Kg4 e1Q-+) 57…Nh6 (57...Nh6 58.Kh6 e2-+) 0-1. mr5reasons1 (1775) - romast (1860), gameknot.com, 2020.

9.d3 Bb7 10.Nbd2 Rc8 11.c4 Qe7 12.cd5 Nd5 13.g3 Be3 14.fe3 Ne3 15.Qa4 Nf1 16.Rf1 e5 17.Ne4 f5 18.Neg5 Nd4 19.Bd1 Nf3 20.Nf3 e4 21.Ne5 ed3 22.Bb3 Kh8 23.Qf4 Rf6 24.Qh4 (24.Nd3 Qe2 25.Rf2 Qd3 26.Bf6 Qb1 (26...Qb3?! 27.Bg7 Kg8 28.Bb2=) 27.Rf1 Qb3 28.Bg7 Kg7 29.Qg5 Kh8 30.Qf6 Kg8 31.Qg5 Kh8 32.Qf6 Kg8 33.Qg5 Kh8=) 24...Rc7 25.Re1 (25.Nd3 Qe2 26.Nf4 Qe3 27.Rf2 Qb3 28.Ng6 Kg8–+) 25...Be4 26.Nd3 Qd6 (better is 26...Rd6 27.Qe7 Re7=) 27.Bf6+/– Qd3 28.Be5 (better is 28.Bb2 Qd2 29.Re2+–) 28...Qd2= 29.Re2 Qc1 30.Kf2 Qc5 31.Re3 Re7?? (31...Rd7 32.Bg7 Kg7 33.Qg5 Kf8 34.Qg8 Ke7 35.Qh7 Kd8 36.Qh8 Kc7 37.Qc3=) 32.Bd4 (32.Bg7 Rg7 33.Qd8 Qf8 34.Qf8 Rg8 35.Qg8) 32...Qa3?? (better is 32...Qd4 33.Qe7 Qb2 34.Re2 Qb3 35.Qd8 Qg8+=) 33.Bg7! 1–0. Valenta,Vit (2240) – Kulon,Boguslaw (2145), Marianske Lazne op, 2007.

9.d3 Bb7 10.Nbd2 Qe7 11.c4 Rfd8 12.Qb1 (12.d4 Bd6=) 12...Rac8 (12...d4 13.ed4 Bd4 14.Nd4 Nd4 15.Bd4 Rd4 16.Qb4+=) 13.cd5 ed5 (13...Rd5? 14.d4 Bd6 15.e4+–) 14.Re1 Bd6 15.Nf1 (15.Qa2 Rd7+=) 15...Re8 16.Ng3 Bg3 (16...g6!?+=) 17.hg3= Rc7 (17...Ng4 18.Qa2 Qd7 19.Qb3+=) 18.Qa2+= Rd8 19.Rac1 Bc8 (19...Rdc8 20.Qb3+=) 20.Qa1 Ne8 21.Rc2 (21.Nd4 Bd7+/–) 21...Be6 22.Rec1 (22.e4 f6+=) 22...Rdc8= 23.Bf1 f6 24.Bc3 Nd6 25.Qb2 Nb7 26.Bb4 Nb4 27.Rc7 Rc7 28.Rc7 Qc7 29.Qb4 a5 30.Qb2 Nd6 (30...Nc5 31.Nd4=) 31.Nd4 Bd7 32.Qb3 (32.Be2 Qc5=) 32...Qc5 33.Be2 Nb5 The isolani on a3 becomes a target 34.Nc2 (34.Nb5 Qb5 35.Qa2 Qc6=) 34...Nc3+= Black prepares a4 35.Bf3 Exerts pressure on the isolated pawn 35...Ba4 36.Qb2 Bc2 37.Qc2 (better is 37.d4!? Qc4 38.Qc2=) 37...Qa3–/+ 38.d4 a4 (better is 38...g6 39.Qd3 Kg7–/+) 39.Qf5= Qf8 (better is 39...Qb4!? 40.Qc8 Kf7 41.Qd7 Qe7=) 40.Qe6+/– (40.Bd5?! Nd5 41.Qd5 Kh8=) 40...Kh8 41.Qc6 Ne4 (41...a3 42.Qc3 Qa8 43.Bd5 Qd5 44.Qa3+/–) 42.Be4 de4 43.Qa4 Qc8 (43...Qd8 44.Qc6+/–) 44.d5+– h6? (better is 44...Kg8+–) 45.Qc6?? (better is 45.d6 Kg8 46.Qe4+–) 45...Qg4+= 46.Qa4 b5 (46...Qc8 47.d6 Kg8 48.Qe4 Qd8 49.Qd5 Kf8+–) 47.Qd4+= Kg8 48.f3 Qg3 (48...ef3 49.Qf4 Double attack (49.Qg4 Pinning; 49.Qg4 Deflection; 49.Qf4 Decoy)) 49.Qe4 Qe1?? (better is 49...Kf8+=) 50.Kh2+– b4 (50...g5 51.d6 Kf7+–) 51.d6 f5 52.Qe6 Kh8 53.Qc8 Kh7 54.Qf5 g6 55.Qf7 Kh8 56.Qf6 Kh7 57.d7 (57.d7 Qd2 58.d8Q Qd8 59.Qd8+–) 1–0. Valenta,Vit (2195) – Tyda,Krzysztof (2020), Tatranske Zruby Slovakia, Tatry U9, 2009.

9.d4 Bd6 10.Nbd2 Bb7 11.c4 Na5 =.

9.d4 Bd6 10.Nbd2 Bb7 11.Ne5 Qc7 12.f4 Ne7 13.g4 (13.c4 Nf5 14.Qb3 dc4 15.Ndc4 Bd5=) 13...Ne4 (13...Rac8 14.c4+=) 14.Bd3 (14.Ne4 de4 15.Nc4 Nc8+=) 14...Nc3 Black gets strong initiative 15.Qe1 Na4 (better is 15...f6 16.Nd7 Rf7–/+) 16.Ndf3?? (16.Bc1 f6 17.Qh4 g6+=) 16...f6 (better is 16...Nb2 17.Qh4 Nd3 18.Nd3 Qc2–+) 17.Bc1–/+ Nc8 18.Bh7 (18.Qh4 g6 (18...fe5?? 19.Bh7 Kf7 20.Ne5 Be5 21.fe5 Ke8 22.Bg6 Kd7 23.Rf8+–) 19.Bb5 Nc3+= (worse is 19...Qc2 20.Nd7+/–)) 18...Kh7–+ 19.Qh4 Kg8 20.Ng6 Ne7 (20...Qc2?! 21.Nfe5 Be5 22.Qh8 Kf7 23.Qf8 Kg6 24.Qe8 Kh7 25.Qh5 Kg8 26.Qe8 Kh7 27.Qh5 Kg8 28.Qe8 Kh7=) 21.Qh8 Kf7 22.Nf8 Rf8 23.Qh7 Rg8 (23...Ke8 24.Bd2–+) 24.Qd3 (24.Bd2 a5–/+) 24...Rc8–+ 25.Rf2 (25.Bd2 Nb2 26.Qb3 Qc2 27.Qc2 Rc2–+) 25...Nc3 26.Bb2 Kg8 (26...Ne4 27.Re2–+) 27.a4 (27.Rg2 Ne4–+) 27...Ne4 28.Rg2 Nc6 (28...Nc6 29.Ba3 Bb4–+) 0–1. Baluch,Wieslaw – Buczinski,Henryk, corr 2AMM Poland, 1993.

9.d4 Bd6 10.Nbd2 Bb7 11.Ne5 Ne4 12.Nc6 Bc6 13.Ne4 de4 14.c4 Qc7 15.g3 Rfd8 16.Qb1 Bb7 17.Rc1 Qe7 18.a4= Bb4 19.Bc3 Bc3 20.Rc3 Rac8 21.a5 ba5 22.Ra5 Bc6 23.Rca3 Rc7 24.Qa2 Rdd7 25.Bd1 h6 26.Rb3 Rd8 27.Bc2 f5 28.Rb1 Kh7 29.Re5 Be8 30.c5+/– Bf7 31.Bb3 Re8 32.Bc4 Qf6 33.Qa6 Ree7 34.Rb8 g5 35.Ba2 Kg7+/– 36.Rd8 f4 37.ef4+– Rb7 38.Qe2 gf4 39.Re4 f3 40.Rg4 Bg6 41.Qd1 Rf7 42.Rd6 Qf5 43.h3 h5 44.Rf4 Qh3 45.Qf3 h4 46.Re6 hg3 47.Rg6! Kg6 48.Bf7 Rf7 49.Rg4 (49...Qg4 50.Qg4 Kf6 51.fg3+–) 1–0. Basman,Michael J (2405) – Kraidman,Yair (2445), Ramat Hasharon, 1979.

9.d4 Be7 10.Nbd2 Bb7 11.Rc1 Rc8=.

9.d4 Be7 10.Nbd2 Bb7 11.c4 dc4 12.Nc4 Rc8 13.Qb3=.

9.d4 Be7 10.Nbd2 Bb7 11.c4 dc4 12.Nc4 Rc8 13.Rc1 h6 14.Qa4 a6 15.Nce5 b5 16.Qd1 Ne5 17.Ne5 Rc1 18.Qc1 Qb6 19.Qb1 Rc8 20.Rc1 Rc1 21.Qc1 Bd6 22.Nd3 Qc6 23.Qc6 Bc6 24.f3 Nd5 25.Kf2 f5 26.e4 fe4 27.fe4 Nf4 28.Nf4 Bf4 29.g3 Bd2 30.Bf3 Kf7 31.d5 ed5 32.ed5 Bb7 33.Ke2 Bg5 34.Kd3 Ke7?? (better 34...Be7=) 35.d6!+- (35.d6 Kd6 36.Bb7+-) 1-0. pacalmisu (2210) - jubmoo01 (2245), Rated Blitz game, lichess.org, 2015.

9.d4 Be7 10.Nbd2 Bb7 11.c4 dc4 12.Nc4 Nd5 13.Qd2 b5 14.Nce5 Ne5 (14...a6 15.Rac1 Rc8 16.Nc6 Rc6 17.Rc6 Bc6 18.Ne5=) 15.Ne5 Nb6 (15...f6 16.Nf3 a6 17.a4=) 16.Bc3 (16.Rac1 Bd6 17.f4 a6=) 16...f6=+ 17.Nf3 Qd7 (17...Nc4 18.Bc4 bc4 19.Qe2=) 18.Rfc1 Rfc8 (18...Nc4 19.Bc4 bc4 20.Qe2=) 19.Ne1 Nc4=+ 20.Bc4 Rc4 21.Bb4= Rac8 22.Nd3 Be4 23.Be7 Bd3 24.Bc5 Be4 25.Rc4 bc4 26.Qa5 Rc7 27.Bb4 Rb7 28.Qc5+/– h6 29.Qc4 Bd5 30.Qd3 f5 31.Rc1 Rc7 32.Rc5 Rc5 33.dc5 Bc6 34.Qd6 Qd6 35.cd6 Kf7 36.f4 (36.e4 fe4 37.Bc5 a6+/–) ½–½. Saradjen,Janko (2205) – Ciglic,Boris (2155), SLO–chT West, 2001.

9.h3 Bb7 10.c4 d4 11.ed4 Nd4 12.Nd4 Bd4 13.Bd4 Qd4 14.Nc3 Rad8 15.Bf3 (better 15.Qa4!?-/+) 15...Bf3-+ 16.Qf3 Qd2 (16...Qc4!? 17.Rfd1-+) 17.Rfd1 Qg5 18.Nb5 a6 19.Nc7 a5 20.Qc6 Qc5 21.Qc5 bc5 22.Na6 (22.Rd8 Rd8 23.Rb1 Nd7=+) 22...Rc8 (better 22...Ne4!?-/+) 23.Rab1= Ne4 24.Rd7 (24.Rb6 g6=) 24...Rfd8 (24...Rc6 25.f3 Nc3=+ (worse 25...Ra6 26.fe4 Raa8 27.Rb5+=)) 25.Rd8= Rd8 26.f3 (26.Rb5 Rc8=) 26...Nc3 (better 26...Nd2!? 27.Rb5 Nc4 28.Rc5 Na3 29.Ra5 Nc4-/+) 27.Rb7 h5 28.Nc5 Rc8 29.Nd7 (29.Nb3 a4 30.Nd2 Rd8=) 29...Rc4-/+ 30.Ne5 Rf4 31.Ra7 a4 32.Rc7 Nb5 33.Rc4 Rc4 34.Nc4 Kf8 35.Kf2 Ke7 36.Ke3 Kd7 37.Kd3 Kc7 38.f4 f6 39.g4 ½-½. amirgloo (1920) - Suomi19 (1915), lichess.org, 2020.

9.Qc1 Qb6 10.a4 Rd8 11.Na3 de3 12.fe3 Nd5 13.Nc4 Qc7 14.Ng5 f6 15.Ne4 Be7 16.Rf3 e5 17.Rg3 Be6 18.Ba3 b6 19.Qf1 Kh8 20.Bd3 Ndb4 21.Be2 Nc2 22.Be7 Qe7 23.Rc1 N2b4 24.Nb2 Na5 25.h4? Nb3–+ 26.Rd1 Rac8 27.Bh5? Rc2 28.Rf3 Rb2 29.Nf6 Rf8 30.Nd5 Rf3 31.Bf3 Bd5 32.Bd5 Nd5 33.Qc4 Qc5 34.Rf1 g6 35.Qa6 Kg7 36.Qa7 Nc7 37.Qa8 Na8 (37...Na8 38.Kh1 Nd2–+) 0–1. Eckhoff,Karlheinz (1770) – Spirk,Stefan (2245), Raika op 7th, 1998.

9.Re1 de3 A) 10.de3 Qe7 (10...Re8 11.Qd8 Rd8 12.Nbd2 Be7 13.Rad1 b6 14.Nb3=; 10...Be7 11.Qd8 Rd8 12.Bd3 Nd7 13.Rd1 Nc5 14.Nc3=) 11.Nbd2 Rd8 12.Bf6 Qf6 13.Ne4 Qg6 14.Bd3+=; B) 10.fe3 Bd6 (10...Re8 11.d4 Bd6 12.c4 b6 13.Qc2 Qc7 14.Bd3=; 10...Qe7 11.d4 Bd6 12.c4 b6 13.Nc3 Bb7 14.Nb5=; 10...Ne4 11.d4 Qb6 12.Ra2 Bd6 13.c4 Qa5 14.c5+=) 11.Nc3 e5 12.Nb5 Bb8 13.Rf1 a6 14.Nc3+=.

9.Re1 Ne4 =.

9.Re1 e5 10.Bb5? (better is 10.ed4 ed4 (10...Bd4 11.Bd4 ed4 12.Bc4 Bg4 13.h3 Bh5 14.g4+=) 11.Bc4 (11.Bd3+= Bg4 12.h3 Qb6 13.Bc1 Bh5 14.g4–/+) 11...Qb6 12.Ra2 d3 13.Bf6 Bf2 14.Kh1+=; 10.Qc1 Be6 (10...Re8 11.ed4 Nd4 12.Nd4 Bd4 13.Bd4 Qd4 14.Nc3+=; 10...de3 11.de3 Qc7 12.Nbd2 Bg4 13.Nc4 Rfe8 14.Rb1+=; 10...Bf5 11.Bb5 Re8 12.ed4 ed4 13.Re8 Ne8 14.a4+=) 11.ed4 ed4 12.Ng5 Qd6 13.Ne6 fe6 14.Qd1+=) 10...Qb6–+ 11.ed4 Qb5 (11...ed4 12.c4 a6 13.a4–+) 12.dc5 Qb2 13.Nc3 Bf5?? (better is 13...Rd8 14.Ne5 Ne5 15.Re5 Be6–+) 14.Ra2+/– Bc2 15.Rb2 (15.Qc2?! Qc2 16.Rc2 Rfe8=) 15...Bd1 16.Nd1 e4 17.Ng5 Ne5 18.Rb7 Nd3 19.Re3 Nc5 20.Rb5 Rfc8 21.Rc3 (21.f3 h6 22.Ne4 Nce4 23.fe4 Rc1=) 21...Nd3 (21...Na4!? 22.Rc8 Rc8+=) 22.f3= Rc3 23.Nc3 ef3 ½–½. griese (1800) – mkandinsky1 (1780), gameknot.com, 2007.

10.Nc3 Re8 11.Nd4 Bd4 12.Rb1 e5 13.Bb5 Bd7 14.Bd7 Qd7 15.Re1 Qf5 16.Re2 Ng4 17.Ne4 Qf4 18.g3 Qh6 19.h4 Bb6 20.Kg2 Rad8 21.Qe1 f5 22.f3 fe4 23.fg4 Qc6 24.Kh3 Qc2 25.Be5?? Qd3 26.Bf4 Rd7 27.Be3 Ba5 28.Ba7 Bd2 29.Qd1 Ra8 30.Rb3 Bc3 31.Qc2 Rc8 32.Rb4 Qc2 33.Rc2=+ Ra8 34.Rc3+/– Ra7 35.Re4 Ra8 36.g5 ½–½. Schalkwijk,Peter – Hynes,Jack, corr IECG Email, 2002.

10.Bd3 b6 11.c3 Nf3 12.Qf3 Rb8 13.Bc2 Bb7 14.Qh3 e5 15.d3 Re8 16.Nd2 Ba6 17.Rfe1 Bc8 18.Qh4? (18.Qg3 Bf5 19.Nc4= (worse is 19.Re5 Bf2 20.Qf2 Re5–/+)) 18...Ng4–/+ 19.Qd8 Bf2 (19...Rd8?! 20.d4 ed4 21.cd4=) 20.Kf1 Rd8 21.Re4 Bc5 22.d4? (better is 22.Nf3 Ne3 23.Re3 Be3 24.Re1–/+) 22...f5 (22...Nh2?! 23.Kg1 Ng4 24.Nc4 ed4 25.cd4–+) 23.Bb3 Kh8 24.Re2 Ba6 25.h3 Ne3 26.Kf2 ed4 27.cd4 Be2 28.Ke3 Re8 29.Kf2 Bd6 30.Nc4 Bc4 31.Bc4 Rbc8 32.Bd3 Rcd8 33.Kf3 f4 34.Be4 g5 35.a4 h5 36.Re1 Kg7 37.Re2 Kf6 38.Re1 Re7 39.d5 Be5 40.Ba3 Bd6 41.Bd6?? Rd6–+ 42.Rc1 Ke5 43.Re1 Kd4 44.Rd1 Kc3 45.Rb1 Rf6 46.Re1 Kd4 47.Re2 a6 48.Kf2 g4 49.Re1 Kc5 50.hg4 hg4 51.g3 Re5 52.Rc1 Kd4 53.Bg2 f3 54.Bf1 Kd5 55.Ba6 Rh5 56.Bf1 Rh2 57.Ke3 Ke5 58.Rc8 f2 59.Re8 Kd6 60.Rd8 Ke7 61.Rd2 Rf3 62.Ke4 Rg3 63.Re2 Rg1 64.Kf5 Kf7 65.Rc2 Rf1 66.Rc7 Ke8 (66...Ke8 67.Rc8 Kd7–+) 0–1. Wygrecki,J – Ward,Tom, Lansing–ch MI op, 1987. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.Bb2 c5 5.bc5 Bc5 6.e3 Nc6 7.Be2 0-0 8.0-0 d4 9.ed4 Nd4)

10.Bd4 Bd4 11.c3 Bc5=+ 12.d4 Bd6 13.Nbd2 b6 14.Re1 Bb7 15.Nc4 Rc8 16.Nfe5 Ne4=+ 17.Qd3 Be5 18.de5 Bd5 19.Qd4 Nc3?? 20.Qc3=+ b5 21.Qe3 bc4–/+ 22.Qa7 c3 23.Qe3 Qa5 24.Bd3 Rfd8 25.Rec1 Bb3 26.Qe4= g6 27.Bf1 c2 28.Be2 Rc5 29.f4 Rc3 (30.h3 Bd5–/+) 0–1. Milde,Lars – Nemec,Zdenek, TT–12 ETC, 2004.

10.Bd4 Bd4 11.Nd4 Qd4 12.c3 Qd6 13.d4 b6 14.Bf3 Rb8 15.Re1 Bb7 16.Bb7 Rb7 17.Qf3 Rc7 18.Rd1 Rfc8 19.a4 Nd5 20.Ra3 Rc4 21.a5 b5 22.Rb3 a6 23.Ra3 b4 24.cb4 Qb4 25.h3 Rc1 26.Rb3 Rd1 27.Qd1 Qa5 28.Nd2 g6 29.Ne4–/+ Nc3?? 30.Qe1+/– Ne4?? 31.Qa5+– (31...Ra8 32.Rb6+–) 1–0. lucya (2150) – orpjdm (1650), GameColony.com, 2002.

10.Bd4 Bd4 11.Nd4 Qd4 12.c3 Qf4 =.

11.c3 Qb6 12.Qc2 Qc7 13.a4 Be5 14.g3 Bd7 15.Na3 Qc6 16.d4 Bc7 17.Nb5 Ba5 18.Qd3 Qe4 19.Rac1 a6 20.Nd6 Qd5 21.Nc4 Ba4 22.Na5 Qa5 23.Bf3 Bc6 24.Bc6 bc6 25.Ra1 Qb5 26.Qc2 Rfb8 27.Ba3 Qc4 28.Rfb1 Nd5 29.Rb8 Rb8 30.Bd6 Nc3–+ (31.Re1 Rb3–+) 0–1. Simon de Balle – miquelstone, ChessWorld.net, 2005.

11.c3 Bc5 12.d4 Bd6 13.Nd2 +=.

11.Bd4 Qd4 12.c3 Qb6 13.Qc2 e5 14.a4 Re8 15.Bb5 Rd8 16.Na3 Qc7 17.Rad1 Bg4 18.f3 Be6 19.Kh1 Rac8 20.Be2 Qb6 21.Rb1 (better 21.Ra1!?-/+) 21...Qd6-+ 22.Rfd1? (better 22.Qb2 Qd2 23.Rfd1 Qb2 24.Rd8 (24.Rb2?? Rd1 25.Bd1 Rc3-+) 24...Rd8 25.Rb2-+) 22...Qa3 23.Rb7 Rb8 24.Rdb1 (24.Rdb1 Rb7 25.Rb7-+). Darkseid (1805) - Nigel1639 (1635), ChessWorld.net, 2008. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6 8.0-0 d4 9.ed4 Nd4 10.Nd4 Bd4)

11.Bd4 Qd4 12.Nc3 Bd7 13.Bf3 Rab8 14.Rb1 b6 15.Rb4 Qc5 16.Qe2 Rfd8 17.Rc1 a5 18.Rb3 Bc6 19.Bc6 Qc6 20.Re1 Nd5 21.Nd5 Qd5 22.d3 Qd4 23.Qe4 Qc5 24.c4 a4 25.Rb4 b5 26.Reb1 Rd4? (better is 26...Rbc8=) 27.Rb5+– (27.Rb5 Rb5 28.Rb5 Re4 29.Rb8 (29.Rc5?? Re1) 29...Qf8 30.Rf8 Kf8 31.de4+–) 1–0. Fournier,Frederic (1900) – DALLAS (1645), Active (5/1), 2004.

12.d4 Bc7 A) 13.Nd2 e5 (13...Bd7 14.Bf3 Bc6 15.Re1 Rc8 16.g3 Bd6 17.c4 h6) 14.Nc4 e4 15.Ne5 Nd5 16.Qd2 f6 17.c4 Nb6; B) 13.c4 b5 (13...Bd7 14.Nc3 Bd6 15.Qd3 Re8 16.f4 Qc7 17.Bc1 Bc6) 14.cb5 Bb7 15.Nc3 a6 16.Rb1 h6 17.a4 Qd6.

12.d4 Re8 13.c4 (13.Nd2 e5 14.Nc4 ed4 15.cd4 Bf5 16.Ne5 Rc8 17.Bc4 Be6) 13...e5 (13...Qd7 14.c5 Bc7 15.Nc3 Qd8 16.Bf3 e5 17.Nb5 e4) 14.de5 Nd7 15.e6 Re6 16.Nc3 Nc5 17.Nd5 Bd7.

13.Nd2 Bc6 14.Re1 Bc7 15.Bf3 Qd7 16.a4 Rac8 17.g3 h6.

13.Nd2 Bc7 14.Bf3 Bc6 15.Re1 Qd7 16.a4 Rfe8 17.Ne4 Ne4.

13.Nd2 Rc8 14.Re1 Bc6 15.Nc4 Bd5 16.Ne5 Ba5 Exerts pressure on the backward pawn 17.Qd3 (better is 17.Rc1!?+=) 17...Qb6–/+ 18.Rab1 Be4 (18...Ba2!?–/+) 19.Nd7+= Bd3 20.Nb6 ab6 (worse is 20...Bb1 21.Nc8 Rc8 22.Rb1=) 21.Bd3 Bc3 22.Red1 Nd5 (22...Rfd8 23.h3–/+) 23.g3 (23.Be4 Bb2 24.Bd5 Ba3+=) 23...f5 (23...Rfd8 24.Bb5–/+) 24.Be2 Bb2 25.Rb2 Rc3 26.a4 Rfc8 27.Rdd2 Ra3 28.Bb5 Kf7–/+ 29.Re2 Rc7 30.Re1 Nc3–/+ 31.Rb4 Nd5 32.Rb2+= Rac3 33.Rbe2= Attacking the backward pawn on e6 33...Re7 34.Re5 Kf6 35.Bf1 Nc7 36.Bg2 Rd3 37.Bb7 Rd4 38.Bc6 Rc4 39.Bb5 Rb4 40.Bc6 g5 41.Kg2 Rg7 42.a5 ba5 43.Ra5 Rc4 44.Bb7 Rd7 45.Rae5 Rd6 46.Kf1 Rc2 47.R5e2 Re2 48.Re2 Rb6 49.Bf3 Rb1 50.Kg2 Rc1 51.Rd2–/+ Ke7 52.Bb7 Nb5 53.Ba6 Nd6 54.Bd3 Rc3 55.Bb1 Ra3 56.Rb2 Ra5 57.Rb8 Rb5 58.Rb5 Nb5 59.Kf3 h6 60.h3 Kd6 61.Ke3 Kc5 62.Ba2 e5 63.Be6 Nd6 64.f3 Kb5 65.f4 ef4 66.gf4= Kc5 67.fg5 hg5 68.Bf5?? Nf5–+ 69.Kf3 Nh6 70.Ke4 Kd6 (70...Kd6 71.Kd4 Nf5 72.Ke4 Nh4–+) 0–1. Le Phi Long – Nguyen Ngoc Nam, VIE–chT Vung Tau, 2000.

13.Re1 Nd5 (13...Bc7 14.Bf3 Bc6 15.Nd2 Rc8 16.g3 Qd7 17.Rc1 Bf3) 14.Nd2 Rc8 15.Nc4 Bc7 16.a4 Qg5 17.g3 Nf4.

13.Bf3 Bc6 14.Nd2 Rc8 15.Qe2 Ba5 16.Bc6 Rc6 17.Nc4 Nd5.

13.Bf3 Qc7 14.Nd2= Bc6 (14...Ba5 15.Re1 Nd5 16.Ne4 Bc6 17.a4 Rfe8) 15.c4 (15.Re1 h6 16.Ne4 Ne4 17.Be4 Be4) 15...Rad8 (15...Qf4 16.Bc6 (16.g3 Qf5 17.Re1 Rad8) 16...bc6 17.Nf3= (17.g3 Qf5) 17...Bc7) 16.d5 (16.c5 Ba5 17.Nc4 Nd5) 16...ed5 17.Bf6 gf6 18.Rc1 (18.cd5 Bd5 19.Bd5 Rd5 20.Qg4 Kh8=) 18...Qf4+= 19.c5 (19.cd5 Bd5 20.Bd5 Rd5+=) 19...Bc7 20.g3 Qg5 (20...Qd4 21.Qc2–/+) 21.Nb3 Rfe8 22.Nd4 f5 (22...Bf4 23.Rb1 Bb8 24.Nc6 bc6 25.Qa4+=) 23.Nc6 bc6 24.Qa4 Re6 25.Rce1 Rde8 26.Re6= Re6 27.Qa7 Qe7 28.Bg2 f4 29.g4?? Rg6 30.Qa8 Kg7 31.Qc8 Ba5 32.Rb1 Qc5 33.Rb8 Be1 34.Qh8+= Kh6 35.Qb2 Qc3 36.Qb1? Qe5 37.h4? Kg7 38.Qb6? Qe7?? 39.h5 Re6 40.Rb7?? Qf6 41.Qc7?? Bc3 42.a4 Bd4 43.Qc8?? Qh4 44.h6 Rh6 (44...Rh6 45.Rf7 Kf7 46.Qc7 Qe7 47.Qf4 Qf6–+) 0–1. Mamuzic,M (2230) – Geleta,J (2265), 10th Battle of Senta, 2006. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 Nc6 6.Bb2 d5 7.Be2 d4 8.0-0 0-0 9.ed4 Nd4 10.Nd4 Bd4)

13.Bf3 Bc7 A) worse is 14.Bb7 Rb8 (14...Bh2 15.Kh2 Rb8 16.Bf3 Rb2 17.Qc1 Qc7) 15.Qf3 Qe7–/+ (15...Bd6 16.Bc1 Qc7 17.Ba6 Bh2) 16.Nd2 Qd6 17.g3 Qb6; B) 14.Qd3 Nd5 15.g3 Qg5 16.Nd2 b5 17.Ne4 Qg6; C) 14.c4+= Bc6 15.Nd2 Bf4 16.g3 Qb6 17.Nb3 Ba4.

13.Bf3 Rc8 14.Nd2 Bc6 15.Re1 Ba5 16.Rc1 Qd7 17.Bc6 Rc6.

13.de5 Nd7 14.c4 Qe7 (14...Re8 15.Bd3 Qc7 16.Qc2 Ne5 17.Bh7 Kh8 18.Bd3 Nd3 19.Qd3 Be6=3; 14...Qg5 15.Qd5 Nc5 16.Qd2 Qh4 17.Qc2 Rd8 18.Nc3 Be6 19.Rad1 Rd1+=; 14...Qh4 15.Nd2 Nc5 16.Nf3 Qe4 17.Qe1 Rd8 18.Rd1 Rd1 19.Qd1 Bf5+=) 15.Bd3 Re8 16.Re1 Qh4 17.Qf3 Nc5 18.Be4 Bg4 19.Qf4 g5=.

13.de5 Ne4 14.Qd8 Rd8 15.c4 Bf5 16.g4 Bg6 17.Bf3 Rac8.

13.de5 Ne4 14.Qd8 Rd8 15.Bf3 Nc5 16.Be2 (16.Bc1 Nd3 17.Rd1 Bf2 18.Kf1 Bb6 19.Bg5 Rd7+=) 16...Be6 (16...Re8 17.Nd2 Re5 18.Rfe1 Re7 19.Nc4 Bc7=) 17.c4 Nb3 18.Ra2 Nd2 19.Nc3 (better is 19.Rc1!?–/+ Nc4+=; 19.Bd4 Nf1–/+) 19...Nf1–+ 20.Kf1 Rd2 21.Ke1 Rad8 22.Bc1 Ra2 23.Na2 Ba5 24.Nb4 Rc8 25.Be3 b6 26.f4 Bc4 27.Bg4 Be6 28.f5 Bd5 29.g3 Rc4 (29...Rc4 30.h3 Bb4 31.ab4 Rb4–+) 0–1. Valenta,Vit jr (2160) – Sebo,Viktor (1900), Tatry Open Tatranske Zruby CZE, 2010.

14.Rd1 Ne4 15.Rf1 Re8 16.c4 Nc5 17.Rd1 f6 18.Nc3 Nb3 19.Rab1 Bf5 +=.

14.Rd1 Re8 15.c4 Nd7 16.Nc3 Ne5 17.Nd5 Ba5 18.f4 Nc6 19.Bf3 Bf5 +=.

14.Rd1 Ng4 15.Bg4 Bg4 16.Rd2 Rad8 17.h3 Be6 18.a4 Rd2 19.Nd2 Rd8 +=.

14.Bd1 Nd7 15.c4 Nc5 16.Bc2 Rd8 17.Bc3 Be6 18.Nd2 Nd3 19.Ne4 Bc4 +=.

14.Bd1 Ne4 15.Bf3 Nc5 16.Rd1 Rd8 17.Rd8 Bd8 18.c4 Bc7 19.Bc3 Nd3 +=.

14.Bd1 Ng4 15.c4 Re8 16.Bg4 Bg4 17.Rc1 Rac8 18.Nd2 Bc7 19.f3 Bf5 =.

14.Bd1 Ng4 15.Bg4 Bg4 16.Nd2 f6 17.Nc4 Bc5.

9.Nc3 a6 10.Ra2 b5 11.Re1 Bb7 12.Ra1 Rc8 13.Bd3 Bb8 14.Rb1 Qd6 15.Qe2 e5 16.e4 Nd4 17.Nd4 ed4 18.e5 Qc7 19.Nd1 Ne4 20.Bd4 f5 21.c3 f4 22.f3 Ng5 23.a4 Rce8 24.ab5 ab5 25.Bb5 Re6 26.Qf2 Rg6 27.Kh1 Rh6 28.Nb2 Ne6 29.Bb6 Qf7 30.d4 Qh5 31.Qg1 Rf5 32.Bd3 Rg5 33.Nd1 Qh4 34.Ba5 Rgh5 35.h3 Ng5 36.Rb7 Nh3 37.Rb8 Kf7 38.Rb7 1–0. kamret (2150) – ‹BAGIROV› (1885), GameColony.com, 2003.

9.Nc3 a6 10.a4 e5 11.Rb1 (11.Ba3 e4 12.Ne1 d4 13.ed4 Ba3 14.Ra3 Qd6–/+) 11...Bg4 (11...Qc7 12.h3–/+) 12.Re1 e4 13.Nh4 Be2 14.Qe2 d4 15.ed4 Nd4 16.Qd1 Re8 17.d3 ed3 18.Qd3 Bh2 (better is 18...Re1 19.Re1 Ng4=) 19.Kh2+/– Ng4 20.Kg3 Qg5?? (better is 20...Ne5 21.Qd1 g5+/–) 21.f4+– Qh5 22.Qd4 Rad8 (22...Nf6 23.Nf3+–) 23.Re8 Re8 24.Re1! Rf8 (24...Re1 25.Qd8) 25.Nd5 f6 26.Qc5 (26...g5 27.fg5 Qg5 28.Nf6 Qf6 29.Qc4 Kh8 30.Qb4+–) 1–0. b4_player (2220) – Leran (2000), GameColony.com, 2003.

9.Nc3 a6 10.Re1 b5 11.Rb1 Qc7 12.d3 Bb7 13.a4 b4 14.Na2 e5 15.c3 e4 16.Nd2 Bh2 17.Kh1 ed3 18.Bd3 Ne5 19.Be2 Ng6 20.cb4 Be5 21.Nf3 Ng4 22.Be5 N6e5 23.Kg1 Nf2 24.Kf2 Ng4 25.Kg1 Qg3 26.Qd4 Rae8 27.Bd3 Re4 28.Qb2 Rfe8 29.Rbc1 h5 30.Re2 h4 31.Qc2 h3 32.Qc7 Re3 33.Qg3 h2 34.Nh2 1–0. kamret (2180) – ‹BAGIROV› (1785), GameColony.com, 2003.

9.Nc3 e5 =.

9.Nc3 Re8 10.Nb5 Bb8 11.c4 a6 12.Nc3 (12.cd5 Nd5 13.Nc3 e5=) 12...d4=+ 13.ed4 Nd4 14.Nd4 Qd4 15.Rb1 Qh4 (15...Qd6 16.g3=+) 16.g3= Qh3 17.Bf3 e5 18.Bg2 Qh6 19.Nd5 Ng4 (19...Bf5 20.Rc1=) 20.h3+= Nf6 21.Nf6 Qf6 22.d4 e4 23.d5 Be5 24.Be5 Re5 (24...Qe5 25.Re1 f5 26.Qb3+=) 25.Qd4+/- Bf5 (better 25...b5!?+/-) 26.Rb7+- Rae8 27.d6 Rd8 (27...h6 28.c5 Rd8 29.Rfb1+-) 28.c5 (28.Re1 h5 29.Rb6 Qe6+-) 28...Bc8? (28...Qe6 29.Rfb1 f6 30.Rb8+-) 29.Rc7 (29.Rb8 Rde8 30.Be4 Kf8+-) 29...Qe6 (29...Bf5 30.Re1 Qe6 31.f4+-) 30.Rb1 (30.d7 Bd7 31.Rd1 e3 32.fe3 h6+-) 30...e3 (30...f6 31.Rb8 Re8 32.Qa4+-) 31.fe3 Re3 32.Kh2 (32.d7 Bd7 33.Qd7 Qd7 34.Rd7 Rde8+-) 32...Re2 33.Qf4 (better 33.d7 Qa2 34.Rb2 Rb2 35.Qb2 Qb2 36.dc8Q+- (36.dc8R?! Rf8+=)) 33…Qh3 (33...Qh3 34.Kg1 Qg2) 0-1. black_bishop_88 (2465) - eskivelito (2460), lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 c5 4.Nf3 Nf6 5.bc5 Bc5 6.e3 Bd6 7.Be2 0-0 8.0-0 Nc6)

9.c4 =+.

9.d3 b6 10.Nbd2 e5 11.c4 d4 12.ed4 ed4 13.Re1 a6 14.h3 Bc7 (14...Bc5!?=) 15.Qc2 Qd6 16.Ne4 (better is 16.Nb3!?+=) 16...Ne4+= 17.de4 Ne5 (17...Qg6 A) 18.Nd4? Nd4 19.Bd4 Qd6–+; B) 18.Bd4? Bh3 (18...Nd4?! 19.Nd4 Bh3 20.Bf3+=) 19.Bf1 Bg4–+ (19...Nd4?! 20.Nd4 Rfe8 21.e5 Qc2 22.Nc2–/+); C) 18.Qd3 Rd8 19.Rad1+= (19.Bd4? Nd4 20.Nd4 Qd6–+; 19.Nd4? Nd4 20.Bd4 Qd6–+)) 18.Red1 The pressure on the isolated pawn grows (better is 18.Nd4 Nc6 19.Nf3+=) 18...Nf3+= 19.Bf3 Qh2 20.Kf1 Qh1 (better is 20...Be5–/+) 21.Ke2+= Qh2 22.Bd4 Rb8 23.Qc3 f6 24.Rh1 Qd6 25.Rad1 Re8 26.Be3 Qe5 (26...Qe7 27.Qb4+=) 27.Qc2 (27.Qe5 Be5 28.Rb1 Be6+/–) 27...b5 (27...f5 28.ef5 Bf5 29.Qa4+=) 28.Bd4 (28.Rd5 Qe7 29.cb5 Be6+=) 28...Qe7+= 29.Rhe1 (29.cb5 ab5 30.Bc5 Qe5+=) 29...Qa3 (29...Ba5 30.Rg1=) 30.cb5+= Be5 31.Ra1 (better is 31.Be5!? fe5 32.Ra1+/–) 31...Qd6 32.Be5 Qe5 33.Kf1 ab5 34.Kg1 b4 35.Ra7 Qg5 36.Kh1 b3 37.Qc7 Be6 38.Rb7 Rb7 39.Qb7 Qd2 40.Re2 Qc1 41.Kh2 Qf4 42.Kh1 Rc8 43.Re1 Qe5 (43...Rc1 44.Rg1 Rg1 45.Kg1 Qc1 46.Kh2–+) 44.Bg4 (44.Rb1 Rb8 45.Qe7 b2 46.Rb2 Qb2 47.Qe6 Kh8–/+) 44...f5 45.Bf3 b2 46.g3? (46.Qe7 h6 47.Rg1–+) 46...Rc1 (46...Rc1 47.Rd1 b1Q 48.Qb1 Rb1 49.Rb1 fe4–+) 0–1. Hovla1 – Szkodnikow_i_ofiar, ChessWorld.net, 2015.

9.d3 e5 10.Nbd2 h6 11.c4 Be6 12.cd5 Bd5 13.Nc4 The pressure on e5 grows 13...Bc4 14.dc4 Qc7 15.h3 Rfd8 16.Qc2 Nd7 (16...Qe7 17.Rfd1=) 17.Rfd1+= Nc5 18.Rd5 (18.Nd2 Qd7+=) 18...Ne7= 19.Rd2 Ng6 (19...e4 20.Nd4 Bh2 21.Kh1=) 20.Rdd1 (20.Rad1 e4 21.Nd4 Bh2 22.Kh1 Be5+=) 20...Qe7 (20...e4 21.Nd4=) 21.e4 (21.Rd5!?+=) 21...Nf4+= 22.Bf1 Bc7 23.g3 Ng6 (23...Nh5!?+=) 24.Rd5+= Rd5 (24...Nd7!?+=) 25.cd5+/– (25.ed5?! e4 26.Nd4 Ne5=) 25...Bb6 (25...Bd6 26.Rc1+/–) 26.a4 (26.h4 h5+–) 26...a6 (26...Rc8 27.h4+/–) 27.h4+– Nd7 28.a5 Ba7 29.h5 Ngf8 30.Rc1 Nf6 31.Be5 (31.Ne5 Re8 32.Kg2 Bb8+–) 31...Nh5 (31...N8d7 32.d6 Qd8 33.Bc3+–) 32.Qc7 (32.d6 Qe6 33.Kh2 Nf6+–) 32...Qb4 33.Rc4 (33.Bd3 Ng6 34.Rb1 Qc5 35.Qc5 Bc5 36.Rb7 Nf6+–) 33...Qb3 (33...Qb1 34.Kg2+–) 34.Rc3 (34.Nd4 Qb1 35.Nf5 Qe1+–) 34...Qb4 35.Bd3 Ng6 (35...Bb8 36.Qc5 Qc5 37.Rc5 Be5 38.Ne5+–) 36.Bd6 Qb2 37.Rc2 Qb3 38.Qc4 Qb1?? (better is 38...Qc4 39.Rc4 Nf6+–) 39.Kg2 Qa1 (39...Qb5 40.Qc8!! Qe8 41.Qb7+–) 40.e5 Qa5 41.e6 Nf8 42.ef7 Kf7 43.Bc7 Qb5 44.Qa2 Qb4 45.d6 Kf6 46.Rc4 Qb5 47.g4 Ne6 48.gh5 Rf8 49.Qa1 Kf7 50.Qe5 Qe5 51.Ne5 Kg8 52.Be4 Rf2 53.Kg3 b5 54.Rc2 Rc2 55.Bc2 Nc5 56.d7 Nd7 57.Nd7 Kf7 58.Ne5 Kf6 59.Kg4 Bd4 60.Ng6 Bc3 61.Bd3 Ke6+– 62.Nf4 Kd7 63.Kf5 Kc6 64.Be5 Be5 65.Ke5 Kc5 66.Ne6 Kb4 67.Kf5 Kc3 68.Bf1 Kd2 69.Kg6 Ke1 70.Bb5! (70.Bb5 ab5 71.Nd4+–) 1–0. Melderis,Uldis (2035) – Tvarijonas,Tomas (1920), Baltija cup, 2010.

9.d4 Ne4 10.Nbd2 Nd2 11.Qd2 f6 12.h3 Bd7 13.a4 Qe7 14.Rab1 Qf7 15.a5 e5 (better is 15...Rac8=) 16.de5+/– Ne5 17.Be5 Be5 18.Rb7 Qe6 (better is 18...Rfb8 19.Ne5 fe5+–) 19.Ne5 fe5 20.Bg4 Rf5 (20...Qc6 21.Rd7 h5 22.Qd5 Qd5 23.Rd5 hg4 24.hg4 Rac8+–) 21.e4 Qc6 22.Rd7! (22.ef5?! Qb7 23.Rd1 Bc6+/–) 22...Qd7 23.Bf5 Qd6 24.Qd5 Qd5 25.ed5 Rd8 26.Be6 Kf8 27.f4 e4 28.Re1 Rb8 29.d6 Rd8 30.Rd1 e3 31.Kf1 Re8 32.f5 g6 33.d7 Rd8 34.f6 h6 35.Ke2 1–0. weBNimzo (2405) – nbh999 (2035), ChessWorld.net, 2003.

10.Bc4 a6 11.d4 b5 12.Bd3 Bb7 0–1. Grott,Peter – Thieme,Joerg, DESC D0370 email, 2006.

10.Bc4 Qc7 11.h3 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nc3 a6 15.d4 Qc7 16.Qe2?? (better 16.Qb3+=) 16...b5-+ 17.Bb3?? (better 17.Nb5 ab5 18.Bb5-+) 17...Bb7 (better 17...Qc3 18.Qc2 Qc2 19.Bc2 Bb7-+) 18.Rfc1 Qc6 (18...Qd6 19.Qb2=) 19.f3 (better 19.Nd5! Qd6 20.Nf6 gf6 21.Qg4 Kh8 22.Qh4+/-) 19...Qd6= 20.Bc2 Nd5 (20...e5 21.Be4 Ne4 22.Ne4 Be4 23.fe4 ed4 24.Rd1=+) 21.Nd5 (21.Ne4!? Qe7 22.Nc5+=) 21...Bd5= 22.Qd3 Bc4?? (better 22...g6=) 23.Qh7 1-0. Darkseid (1820) - Benrubs (1915), ChessWorld.net, 2015.

11.d3 a6 A) 12.a4 A1) 12...Bf5 13.Nbd2 (13.Qe2 Rc8 14.Nbd2 Re8 15.Rac1 Bg4 16.h3 Bh5 17.g4 Bg6 18.Nh4) 13...Rc8 14.Rc1 Qe7 15.Qe2 Bg4 16.h3 Be6 17.Be6 Qe6 18.Ng5; A2) 12...Rb8 13.Qe2 (13.Nc3 Na5 14.Ba2 Bg4 15.h3 Bf5 16.e4 Bg6 17.Nd5 Re8 18.Qd2) 13...Bg4 14.Rc1 Rc8 15.Nbd2 Re8 16.h3 Bh5 17.g4 Bg6 18.Nh4; A3) 12...Bg4 13.h3 (13.Nbd2 Rc8 14.Rc1 Qd7 15.h3 Be6 16.Qb3 Bf5 17.Bc3 Rfe8 18.Rfd1) 13...Bh5 14.g4 Bg6 15.Nh4 Na5 16.Ng6 hg6 17.Ba2 Rc8 18.Nc3; B) 12.Nc3 B1) 12...Bf5 13.a4 (13.Nd5 b5 14.Nf6 Qf6 15.Bd5 Rac8 16.d4 ed4 17.Rc1 Bd7 18.Re1) 13...Rc8 14.Rc1 Qd7 15.Qe2 Bg4 16.h3 Be6 17.Ne4 Ne4 18.de4; B2) 12...Bg4 13.h3 (13.a4 Na5 14.Ba2 Rc8 15.h3 Bf5 16.e4 Bg6 17.Nd5 Re8 18.Qe2) 13...Bh5 14.g4 Bg6 15.Nh4 b5 16.Ng6 hg6 17.Bb3 Rc8 18.Qf3; B3) 12...b5 13.Bb3 (13.Ba2 Bg4 14.h3 Bf5 15.Rc1 Rc8 16.e4 Bg6 17.Nd5 Bh5 18.g4) 13...Na5 14.Ba2 Bb7 15.Qe2 Rc8 16.Rfc1 Qe7 17.e4 Rc7 18.Qe1; C) 12.Bb3 C1) 12...Bf5 13.Nc3 (13.Qe2 Rc8 14.Rc1 Bc7 15.Rd1 Qd6 16.Nc3 Bg4 17.Rac1 Rfd8 18.h3) 13...Rc8 14.Nd5 Re8 15.Rc1 Be6 16.Nf6 Qf6 17.Nd2 Qg6 18.Ne4; C2) 12...b5 13.a4 (13.Nc3 Na5 14.Ba2 Bb7 15.Qe2 Rc8 16.Rfc1 Qd7 17.Rc2 Rc7 18.Rac1) 13...b4 14.Nbd2 Bg4 15.h3 Bh5 16.Nc4 Re8 17.g4 Bg6 18.Nh4; C3) 12...Bg4 13.h3 (13.Nbd2 b5 14.h3 Bh5 15.a4 Qd7 16.Qb1 Rfc8 17.Rc1 Bb4 18.Rc2) 13...Bf5 14.Nc3 Rc8 15.Rc1 b5 16.e4 Bg6 17.Nd5 Bh5 18.g4; D) 12.Qc2 Bg4 13.Nbd2 (13.Ng5 Na5 14.Ba2 Rc8 15.Nc3 b5 16.Rac1 Qe7 17.d4 h6 18.Nge4) 13...Rc8 14.a4 b5 15.ab5 ab5 16.Bb5 Nd4 17.Nd4 Rc2 18.Nc2.

11.d3 Bd7 A) 12.Nbd2 A1) 12...a6 13.Bb3 (13.d4 e4 14.Ne5 b5 15.Bb3 Rc8 16.a4 Nb4 17.Qb1 ba4 18.Nd7) 13...Bg4 14.h3 Bh5 15.g4 Bg6 16.Nc4 Re8 17.Nh4 b5 18.Nd6; A2) 12...Rc8 13.Bb5 Re8 14.Nc4 Qc7 15.Qb3 Be6 16.Rfc1 Nd7 17.Ng5 Bd5 18.e4; A3) 12...Qe7 13.Bb5 (13.Qe2 Rac8 14.Rfc1 a6 15.a4 Rc7 16.a5 Bg4 17.h3 Be6 18.Be6) 13...a6 14.Bc6 Bc6 15.Nc4 Nd7 16.Rc1 Rfd8 17.Na5 Ba3 18.Nc6; B) 12.Qe2 B1) 12...Rc8 13.Rc1 (13.Nc3 a6 14.a4 Na5 15.Ba2 Bg4 16.h3 Bf5 17.e4 Bd7 18.Rfd1) 13...a6 14.a4 Na5 15.Nbd2 Re8 16.Bc3 Re7 17.Rab1 Rb8 18.Ra1; B2) 12...Qe7 13.Rc1 (13.Nc3 Be6 14.Be6 Qe6 15.Ng5 Qe7 16.Qf3 Rfd8 17.Nge4 Ne4 18.Ne4) 13...Na5 14.Ba2 Rac8 15.Nc3 Bc6 16.a4 Qd7 17.Rab1 Qg4 18.Nb5; B3) 12...a6 13.a4 (13.Nc3 b5 14.Bb3 Rc8 15.Rfc1 Bg4 16.h3 Bf5 17.Rc2 Na5 18.Ba2) 13...Rc8 14.Nc3 Na5 15.Ba2 Bg4 16.h3 Bh5 17.g4 Bg6 18.Nh4; C) 12.a4 C1) 12...Bg4 13.Nc3 (13.h3 Bh5 14.g4 Bg6 15.Nh4 Na5 16.Ng6 hg6 17.Ba2 Rc8 18.Nc3) 13...Qd7 14.h3 Bh5 15.Nd5 Nd5 16.Bd5 Nb4 17.Bc4 Rfe8 18.Rb1; C2) 12...Qe7 13.a5 (13.Qe2 Rac8 14.Rc1 Na5 15.Nbd2 Bg4 16.h3 Bh5 17.Ba2 Rc1 18.Rc1) 13...Rac8 14.Nc3 Be6 15.Be6 Qe6 16.a6 Rb8 17.Ng5 Qd7 18.Nge4; C3) 12...Rc8 13.Nc3 (13.Na3 a6 14.Qe2 Re8 15.Rfb1 Na5 16.Bc3 Bc6 17.e4 Ba3 18.Ba5) 13...Qe7 14.a5 Be6 15.Be6 Qe6 16.a6 Rb8 17.Ng5 Qd7 18.Qf3; D) 12.Nc3 D1) 12...Rc8 13.Rc1 (13.Nb5 Bb8 14.a4 a6 15.Nc3 Na5 16.Ba2 Bg4 17.Rb1 Nc6 18.Qe2) 13...a6 14.a4 Na5 15.Ba2 Bg4 16.h3 Bd7 17.d4 e4 18.Ne5; D2) 12...Na5 13.Ba2 (13.Bb5 Rc8 14.Qa4 Bf5 15.Ne4 Be4 16.de4 a6 17.Bd3 b5 18.Qd1) 13...Rc8 14.d4 e4 15.Ne5 Nc6 16.Nb5 Bb8 17.Nd7 Qd7 18.f3; D3) 12...a6 13.a4 (13.Qe2 b5 14.Bb3 Rc8 15.Rfc1 Bg4 16.h3 Bf5 17.Nd5 Re8 18.e4) 13...Rc8 14.Qe2 Na5 15.Ba2 Bg4 16.h3 Bh5 17.g4 Bg6 18.Nh4.

11.d3 Qe7 A) 12.Qe2 A1) 12...Bg4 13.Nc3 (13.Rc1 Rac8 14.h3 Be6 15.Nbd2 Bc4 16.Nc4 Rc7 17.Bc3 Rfc8 18.Nh4) 13...Be6 14.Be6 Qe6 15.Ng5 Qe7 16.Qf3 Rac8 17.Rfc1 Qd7 18.Nce4; A2) 12...Na5 13.Ba2 (13.Nbd2 Bg4 14.Rfc1 Rac8 15.h3 Bh5 16.a4 Rc7 17.Bb5 Rfc8 18.Rc7) 13...Bg4 14.Nc3 Rac8 15.Rfc1 Rfd8 16.Nb5 Nc6 17.h3 Bh5 18.g4; A3) 12...Be6 13.Nbd2 (13.Bb5 Bg4 14.Nbd2 Rac8 15.h3 Bf3 16.Qf3 a6 17.Bc6 Rc6 18.Nc4) 13...Rac8 14.Rfc1 Bc4 15.Nc4 Rc7 16.Nh4 Qe6 17.Qf3 Be7 18.Qf5; B) 12.Qa4 B1) 12...Bf5 13.Rc1 (13.Nc3 a6 14.Qd1 Rac8 15.Nd5 Nd5 16.Bd5 Rfd8 17.Qe2 Bc5 18.Be4) 13...a6 14.Qd1 Rac8 15.Nc3 Rc7 16.Nd5 Nd5 17.Bd5 Rfc8 18.Rc3; B2) 12...a6 13.Qc2 (13.Qd1 b5 14.Bb3 Bb7 15.Nbd2 Na5 16.Bc2 Rfc8 17.Qb1 Rab8 18.Rc1) 13...Bg4 14.Rc1 Rac8 15.Qe2 Na5 16.Nbd2 b5 17.Ba2 Rc1 18.Bc1; B3) 12...Bg4 13.Nc3 (13.Rc1 Bf3 14.gf3 a6 15.Ba2 Rfd8 16.Nd2 Rac8 17.Rc3 Na7 18.Rc8) 13...Bf3 14.gf3 a6 15.Bb3 b5 16.Qh4 Rfd8 17.Ne4 Ne4 18.Qe4; C) 12.Qc2 C1) 12...Bg4 13.Qe2 (13.Rc1 Bf3 14.gf3 Rac8 15.Nc3 Rfd8 16.Qa4 a6 17.Bb3 Bc7 18.Ne4) 13...Na5 14.Ba2 Rac8 15.Nc3 Rc5 16.h3 Bd7 17.Rac1 Rfc8 18.Rfd1; C2) 12...Be6 13.Rc1 (13.Be6 Qe6 14.Rc1 Rac8 15.Nc3 Rfd8 16.Rab1 Be7 17.Rd1 Rc7 18.d4) 13...Rac8 14.Be6 Qe6 15.Nc3 Rfd8 16.Rab1 Be7 17.Rd1 Rd7 18.Rbc1; C3) 12...Na5 13.Ba2 (13.Nfd2 Bf5 14.e4 Bg4 15.Bc3 Qc7 16.Qb2 Rab8 17.f3 Bh5 18.f4) 13...Bg4 14.Nbd2 Rac8 15.Qa4 Nc6 16.Rfc1 Bf5 17.d4 ed4 18.Nd4; D) 12.Nbd2 D1) 12...Bd7 13.Bb5 (13.Qe2 Rac8 14.Rfc1 a6 15.a4 Na5 16.Bc3 Nc4 17.Nc4 Bg4 18.h3) 13...a6 14.Bc6 Bc6 15.Nc4 Nd7 16.Nd6 Qd6 17.d4 e4 18.Ne5; D2) 12...a6 13.Qc2 (13.a4 Bg4 14.h3 Bf5 15.e4 Be6 16.a5 Rac8 17.Qb3 Bc4 18.Nc4) 13...Bf5 14.e4 Bd7 15.a4 b5 16.ab5 ab5 17.Ra8 Ra8 18.Bb3; D3) 12...Bg4 13.Bb5 (13.h3 Bd7 14.Bb5 a6 15.Bc6 Bc6 16.Nc4 Nd7 17.Rc1 Rfc8 18.e4) 13...Rfd8 14.Bc6 bc6 15.Qc2 Rab8 16.Rab1 Nd7 17.d4 ed4 18.Nd4.

11.d3 Bf5 A) 12.Nc3 A1) 12...Rc8 13.Nb5 (13.Rc1 a6 14.a4 Qd7 15.Ne4 Be4 16.de4 Na5 17.Be5 Nc4 18.Bd6) 13...Bb8 14.e4 Bd7 15.Rc1 a6 16.Nc3 b5 17.Bb3 Bg4 18.Nd5; A2) 12...a6 13.a4 (13.Nd5 b5 14.Nf6 Qf6 15.Bd5 Rac8 16.d4 ed4 17.Rc1 Bd7 18.Re1) 13...Rc8 14.Rc1 Qd7 15.Ne4 Be4 16.de4 Na5 17.Be5 Nc4 18.Bd6; B) 12.Nbd2 B1) 12...Qc7 13.Rc1 a6 14.d4 e4 15.Ne5 Ne5 16.de5 Be5 17.Bf7 Qf7 18.Be5; B2) 12...a6 13.e4 (13.a4 Rc8 14.Rc1 Qc7 15.Ng5 Bb4 16.Nde4 Ne4 17.Ne4 Rfd8 18.Qf3) 13...Bg4 14.h3 Bh5 15.Rc1 Rc8 16.a4 Re8 17.g4 Bg6 18.Nh4; B3) 12...Rc8 13.Bb5 (13.Qe2 a6 14.a4 Re8 15.Ng5 Re7 16.f4 ef4 17.Bf6 gf6 18.Nf7) 13...Re8 14.Nc4 Qc7 15.Nd6 Qd6 16.d4 e4 17.Ne5 Bd7 18.Qb3; C) 12.Qc2 C1) 12...a6 13.a4 (13.Rc1 Rc8 14.Qe2 b5 15.Bb3 Re8 16.Nc3 Bg4 17.h3 Na5 18.Ba2) 13...Rc8 14.Nbd2 b5 15.ab5 ab5 16.Bb5 Nd4 17.Qa4 Nb5 18.Qb5; C2) 12...Rc8 13.e4 (13.Nbd2 b5 14.Bb5 Nd4 15.Qa4 Nb5 16.Qb5 Rb8 17.Qc6 Rb2 18.Nc4) 13...Bd7 14.a4 Qc7 15.Nbd2 Bg4 16.Rac1 Rfd8 17.h3 Bh5 18.g4; D) 12.Qe2 D1) 12...a6 13.a4 (13.Rc1 Rc8 14.a4 Re8 15.Nbd2 Re7 16.Rab1 Rec7 17.Bc3 Ba3 18.Rc2) 13...Rc8 14.Rd1 Qe7 15.Nbd2 Rc7 16.Rac1 Rfc8 17.Ng5 Bg6 18.Nge4; D2) 12...Re8 13.Rc1 (13.Nc3 Rc8 14.Ng5 Bg6 15.Nge4 a6 16.Rfc1 Be7 17.Nf6 Bf6 18.Ne4) 13...Rc8 14.Nc3 a6 15.Ng5 Rf8 16.Nge4 b5 17.Ba2 Ne4 18.de4; D3) 12...Rc8 13.Rc1 (13.Rd1 a6 14.a4 Re8 15.Nc3 Re7 16.Ne4 Ne4 17.de4 Be4 18.Ba3) 13...Qe7 14.Nc3 a6 15.Nd5 Nd5 16.Bd5 e4 17.de4 Be4 18.Be4.

11.d3 Bg4 12.Nc3 A) 12...Rc8 13.h3 (13.Nb5 Bb8 14.h3 Bd7 15.a4 a6 16.Nc3 Bd6 17.Rc1 Na5 18.Ba2) 13...Bf5 14.e4 Bg6 15.Nb5 a6 16.Nd6 Qd6 17.a4 Rfd8 18.Nh4; B) 12...Na5 13.h3 (13.Ba2 Be7 14.h3 Bf3 15.Qf3 Qd3 16.Nd5 Nd5 17.Bd5 Bd6 18.Rfd1) 13...Bh5 14.Ba2 Rc8 15.g4 Bg6 16.Nh4 Nd5 17.Ng6 Nc3 18.Bc3; C) 12...a6 13.h3 (13.a4 Na5 14.Ba2 Rc8 15.h3 Bf5 16.e4 Bg6 17.Nd5 Re8 18.Qe2) 13...Bh5 14.g4 Bg6 15.Nh4 b5 16.Ng6 hg6 17.Bb3 Rc8 18.Qf3.

11.d3 Bg4 12.Nbd2 A) 12...a6 13.h3 (13.Rc1 Rc8 14.h3 Bf5 15.a4 Qe7 16.Qe2 Rfd8 17.Ng5 Bg6 18.Nge4) 13...Bh5 14.Rc1 Rc8 15.g4 Bg6 16.Nh4 b5 17.Ng6 hg6 18.Bb3; B) 12...Qe7 13.Bb5 (13.h3 Bd7 14.Bb5 a6 15.Bc6 Bc6 16.Nc4 Nd7 17.Nd6 Qd6 18.d4) 13...Rfd8 14.Bc6 bc6 15.Qc2 Rab8 16.Rab1 Nd7 17.d4 ed4 18.Nd4; C) 12...Rc8 13.Rc1 (13.h3 Bf5 14.e4 Bd7 15.Re1 Re8 16.Qb3 Qe7 17.Bc3 Rb8 18.a4) 13...a6 14.h3 Bf5 15.a4 Qe7 16.Qe2 Bd7 17.Bc3 Be6 18.Be6.

11.d3 Bg4 12.Qe2 A) 12...Rc8 13.h3 (13.Nbd2 a6 14.h3 Bh5 15.Rfc1 Re8 16.a4 Bb4 17.Rc2 Qd7 18.Nb3) 13...Bf3 14.Qf3 Na5 15.Ba2 Qb6 16.Bc3 Rc6 17.Qf5 Nb3 18.Bb3; B) 12...Re8 13.Nc3 (13.h3 Be6 14.Be6 Re6 15.Rc1 Rc8 16.Nc3 Re7 17.Rc2 a6 18.Rac1) 13...a6 14.h3 Bh5 15.Rfc1 Rc8 16.Nd5 b5 17.Nf6 Qf6 18.Bd5; C) 12...Na5 13.Nbd2 (13.Ba2 Qb6 14.Nc3 Bf3 15.gf3 Rfc8 16.Rab1 Qd8 17.Nb5 Nc6 18.d4) 13...Nc4 14.Nc4 Re8 15.h3 Bf3 16.Qf3 b5 17.Nd6 Qd6 18.Rac1.

11.d3 Bg4 12.h3 Bd7 (12...Qb6 13.Bc3 (13.Ra2 Bf5 14.Nc3 Rac8 15.Nh4 Bd7 16.Qf3 Ne7 17.a4 Bc6 18.Qg3) 13...Bd7 14.Nbd2 Rac8 15.Rb1 Qc7 16.Qb3 Rb8 17.Ng5 Bf5 18.f4; 12...Bf5 13.e4 (13.Nc3 a6 14.e4 Bg6 15.Rc1 Rc8 16.Nd5 Re8 17.Qe2 Bh5 18.Qe3) 13...Bg6 14.Nbd2 Bh5 15.g4 Bg6 16.Nh4 a6 17.Ng6 hg6 18.a4) 13.Nc3 (13.Nbd2 Qe7 14.Bb5 a6 15.Bc6 Bc6 16.Nc4 Nd7 17.Rc1 Rac8 18.d4) 13...a6 14.Ng5 (14.d4 Rc8 15.Bb3 ed4 16.Nd4 Qe7 17.Qd3 Nd4 18.Qd4) 14...b5 15.Nce4 Be7 (15...Qe7 16.Nf6 Qf6 17.Qh5 Bf5 18.Bd5) 16.Ba2 (16.Bb3 Rc8 17.Qf3 a5 18.Nf6) 16...Ne4 (16...Rc8 17.Rc1 Ne4 18.Ne4) 17.Ne4 Bf5 18.Qf3 (18.Rc1=) 18...Bg6 19.Bd5 Rc8 (19...Qd5 20.Nf6) 20.Rfc1 Na7 21.Rc8 Nc8 22.Be5 Nb6 23.Nc3 Nd7 24.Bd4 Bd3 ½–½. Mack,Lienhard (1675) – Leistner,Axel_Eberhard (2100), remoteschach.de, 2003.

11.d3 Bg4 12.h3 Bd7 13.Nc3 a6 14.Ng5 b5 15.Nce4 Be7 16.Ba2 Ne4 17.Ne4 Bf5 18.Qf3 Bg6 19.Bd5 Rc8 20.Rfc1 Na7 21.Rc8 (21.Be5 Rc1 22.Rc1 Ba3+=) 21...Nc8 22.Be5 Nb6 23.Nc3 Nd7 24.Bd4 Bd3 ½–½. Mack,Lienhard – Leistner,Axel_Eberhard, remoteschach.de, 2003.

11.d4 e4 12.Ne5 Qc7 +=.

11.h3 e4 12.Ne1 (12.Nd4 Rb8+=) 12...Ne5–/+ 13.Be5 Be5 14.Ra2 (better is 14.d4–/+) 14...Bh3?? (better is 14...b5 15.Bb3 Bf5–/+) 15.gh3+= Qc8 16.Qe2 Qh3 Do you see the mate threat? 17.f4 ef3 18.Rf3 Bh2? (better is 18...Qg4!? 19.Ng2 Qh5=) 19.Qh2+– Qg4 20.Qg2 (20.Rg3 Qc4 21.Nc3 Qe6+–) 20...Qc4+/– 21.Rc2 Qe6 22.Nc3 b6 23.Rf4 Rad8 24.Nf3 Nd5 25.Nd5 Rd5 26.Nd4 Qd7 27.Rc1 h6 28.Kf2 Rg5 29.Qf3 Rg6 30.Rg1 Rg1+/– 31.Kg1 Qe7 32.Nf5 Qa3 33.Nh6! (33.Nh6 Kh7 34.Qe4 g6 35.Nf7 Qc1 36.Kg2 Qd2 37.Kg3+–) 1–0. Brajovic,Spasoje – Zivanovic,Dragutin, corr Yugoslavia, 1993.

9.c4 dc4 10.Bc4 Rc8 11.d4 =.

9.c4 Rc8 10.Nc3 dc4 11.Bc4 e5 12.Nd5 (12.d4 ed4 13.ed4 Bb6=+) 12...Bg4=+ 13.Nf6 (13.d4 ed4 14.ed4 Bb6 15.Nb6 Qb6=+) 13...Qf6 14.h3 (14.Bd5 Bd6=+) 14...Bh5 (14...Bf3 15.Qf3 Qf3 16.gf3=) 15.Be2 Rfd8 16.Bc3 Bd6 17.Nh2 Be2–/+ 18.Qe2 Qe7 19.a4 e4 20.Rfb1 Be5 21.Be5 Ne5 22.Ra2 Nd3–+ 23.f3? Nc1 24.Rc1 Rc1 25.Nf1 Qh4 26.fe4 Qe4 27.d4 g6 28.Kh2 h5 29.Ng3 Qd5 30.h4 Rdc8 31.Rd2 Ra1 32.e4? Qd8 33.Nf5 Rcc1 34.Kg3 gf5 35.Qh5 Qc7 36.e5 Qc3 (37.Qf3 Qd2 38.Qf5 Qe1 39.Kg4 Qd1 40.Kg5 Ra4–+) 0–1. Schulze,Harald (2120) – Dalinger,Valeri (2195), Landesliga N Bayern, 1996.

9.c4 Rc8 10.d4 Be7 11.c5 b6 12.cb6 Qb6 13.Qd2? (better is 13.Ra2=) 13...Ne4–+ 14.Qc1 (14.Qc2 Nd4 15.Bd4 Rc2 16.Bb6 ab6 17.Bd3–+) 14...Na5 15.Nc3 Nb3 16.Qc2? (better is 16.Qe1 Na1 17.Qa1–+) 16...Na1 17.Ra1 (17.Ba1 Rc3! 18.Bc3 Rc8–+ (18...Ba3?! 19.Ra1 Bd6 20.Ba5–/+)) 17...Nc3 (better is 17...Ba4! 18.Nd5 ed5 19.Qa4 Qb2 20.Re1–+) 18.Bc3 Qc7 (18...Qc7 19.Ne5 Be8–+) 0–1. Hal1958 – Michael_Schenk, playchess.de, 2004.

9.c4 Rc8 10.cd5 Nd5 11.Nc3 Nf6 12.d4 Bb6 (12...Bd6 13.e4 Bf4 14.e5+=) 13.Rc1+= Ne7 (13...Bc7 14.Qd3=) 14.Bd3 Ng6 15.Ne4 (15.Ne5 Bc7 16.f4 Ba5+=) 15...Bc6= 16.Nf6 Qf6 17.Nd2 Qe7 (17...Nh4 18.Ne4 Qh6 19.g3=) 18.Be4 (18.Qh5 Bd5+=) 18...Be4= 19.Ne4 f5 20.Rc8 Rc8 21.Ng3 Qf7 22.Qd3 (22.Qb3 Rc6=) 22...Ne7 23.Rc1 Rc1 24.Bc1 Nc6 25.d5 (25.Bb2 f4 26.Ne4 fe3 27.fe3 Qh5=) 25...ed5 (25...Qd7 26.Bb2=) 26.Nf5 d4 (26...Bc5 27.Bb2 Bf8 28.Nh4=) 27.Bb2 (27.Nd4!? Ne5 28.Qe4+/–) 27...de3 (27...Qa2 28.Qe4 h6 29.Qc2=) 28.fe3+= Qe6 (28...Ne7 29.g4+=) 29.Kf1 (29.Qc3 Qd7+/–) 29...Qf7 (29...g6!? 30.Nd4 Qd5=) 30.Ke2+/– (30.Bg7? Ne7 31.g4 Nf5 32.gf5 Qg7–+) 30...Qh5 (30...Bc5!?+/–) 31.Kd2 Qh2? (better is 31...Ba5 32.Kc2 h6 33.Bg7 Qh2 34.Qd5 Kh7 35.Bh6 Qc7+–) 32.Qd5+– Kf8 33.Bg7 Ke8 34.Nd6 (34.Nd6 Kd7 35.Nb7 Kc7 36.Nd8+–) 1–0. zabazaba (1630) – sabbetay (1615), gameknot.com, 2013.

9.c4 Qe7 10.d4 Bd6 11.Ne5 Ne4 (11...Rac8 12.Nd7 Nd7 13.c5=) 12.f3 (12.Nd7 Qd7 13.c5 Bb8=) 12...Nf6 13.Bd3 Rac8 14.Nd2 b6 15.Qe2 Na5 16.cd5 ed5 17.f4 (17.Nd7 Qd7 18.e4 Bf4=) 17...Ba4 18.e4 Nb3 19.Nb3 Bb3 20.ed5 Bd5 (worse is 20...Nd5 21.Bh7 Kh7 22.Qd3 Kg8 23.Qb3+/–) 21.Rfe1 Rfe8 22.Qf1 Qd8 23.Qf2 Nh5 24.Rad1 f6 25.Qh4 g6 (25...fe5 26.Qh5 g6 27.Bg6 hg6 28.Qg6 Kh8 29.Re3+– (worse is 29.de5 Bc5 30.Kh1 Re6 31.Qh5 Kg8+–; 29.fe5 Qh4 30.Qd6 Red8 31.Qf6 Qf6 32.ef6 Rc2=)) 26.Ng6 hg6 27.Bg6 Re1 28.Re1 Ng7 29.Qh7 Kf8 30.Qh8 Bg8 31.Bb1 b5 32.Ba2 Do you see the mate threat? 32...Rc4 33.Re3 Qd7+= 34.Qh6 Qf5 35.Rf3 a5 36.Qh4 Bd5+= 37.Rf1 Kf7 38.Bc4 bc4 (38...bc4 39.Qf2 Ne6–/+) 0–1. Schulz,Hans_Juergen – Milde,Lars, TT–12.25 ETC, 2004.

9.d3 Rc8 10.Nbd2 +=.

9.d3 Ng4 10.Nbd2 (better is 10.Nc3=) 10...Be3?? (10...e5 11.c4 dc4 12.Nc4=) 11.fe3 Ne3 12.Qb1 Nf1 13.Bf1 (13.Nf1 Qb6 14.d4 e5+=) 13...Qc7 (13...Qb6 14.d4+=) 14.d4 (14.c4 dc4 15.Nc4 Rac8=) 14...Qf4 (14...Rac8 15.Bd3=) 15.Qe1 (15.Bd3 Qe3 16.Kh1 Rac8=) 15...Rac8 16.Bd3 Rfd8 (16...b6 17.Rb1=) 17.Nb3 b6 18.Bc1 Qg4 19.Ng5 (better is 19.Ne5 Ne5 20.Qe5 Qd1 21.Kf2 Rc2 22.Bc2 Qc2 23.Nd2=) 19...f6 (better is 19...h6!? 20.Nf3 Rc7=) 20.Bh7 (20.h3 Qh5 21.Nh7 e5=) 20...Kf8 (better is 20...Kh8 21.h3 Qh5+=) 21.a4?? (21.h3 Qh5 22.Qf2 Ke8+=) 21...Re8?? (21...fg5 22.Qf1 Ke7 23.Ba3 Nb4 24.Bb4 Rc5+–) 22.h3+– Qh5 23.g4 Qh6+/– 24.Qf2 f5 25.Ne6 Qe6 26.Ba3 Ne7 27.Bf5 Do you see the mate threat?. 27...Qf7 28.Bd7 Qf2 29.Kf2 Rc7 30.Be8 Rc2 31.Kf1 Ke8 32.Re1 (32.Re1 Rc7 33.Re5+–) 1–0. Milde,Lars (1815) – Hohlstein,Walter (1815), TT–05.45 TSC, 2003.

9.Ne5 d4 10.Nd3 Qb6 =.

9.Ne5 d4 10.Nd7 Qd7 =.

9.c4 dc4 10.Bc4 Bd6 11.d4 =.

9.c4 Rd8 10.cd5 ed5 11.Qc2 Bg4 12.Bf6 Qf6 (worse is 12...gf6 13.d4 Bd6 14.Nc3+/–) 13.Qc5 Bf3 14.Bf3 Attacks the isolani on d5 14...Qa1 15.Nc3 The pressure on the isolated pawn grows 15...Qb2 16.Nd5 (16.d4!?+=) 16...Qd2–/+ 17.Qb5 Rab8 18.Nf4 Qc3 19.a4 Ne5 20.Be4 b6 21.Qb1 h6 22.Nd5 Qa3 23.h3 (23.Qd1 Qd6–/+) 23...Kh8 (23...Qa4 24.Rd1–+) 24.f4 (better is 24.Qd1–+) 24...Nc4 25.Qe1 (25.Rd1 Ne3 26.Rd3 Qc5 27.Ne3 Re8–+) 25...Qc5 26.Nb4 Ne3 (26...Qe3?! 27.Qe3 Ne3 28.Re1–+) 27.Na6 (27.Nd3 Qd4 28.Rf3 Nc2 29.Qf2 Qa4–+) 27...Qd4 28.Rf2 (28.Nb8 Qe4 29.Qe2 Rb8–+) 28...Rbc8 (better is 28...Qe4 29.Re2 Rbc8 30.Re3 Qa4 31.Qf2–+) 29.Bf3 Re8 30.Be2 Nd5 (better is 30...Nf5 31.Qd1 Qe3 32.Bf1–+) 31.Qf1 (31.Qd1 Qd1 32.Bd1 Rc1–+) 31...Nf4 (better is 31...Rc2 32.Kh1–+) 32.Bb5 Re4 33.g3 (33.Kh1 Nh5 34.Rf3 Qe5–+) 33...Qe3 34.gf4 Rc1 35.Kg2 Rf1 36.Bf1 Rf4 (36...Rf4 37.Rf4 Qf4–+) 0–1. Saradjen,Janko (2195) – Kastelic,Marian (2305), SLO–chT, 2002.

9.c4 e5 10.Nc3 (10.d4 ed4 11.ed4 Bd6=) 10...d4 (10...e4 11.Ne1 dc4 12.Bc4+=) 11.ed4= ed4 12.Na4 Rd8 13.Nc5 Qc5 14.Qb3 Be6 15.d3 (15.Qb7?? Rab8 (15...Bc4? 16.Bc4 Qc4 17.Rfc1+–) 16.Qc7 Rb2–+) 15...Rab8 16.Rfc1 Nd7 17.Rc2 a6 18.a4 b5 19.cb5 (19.ab5 ab5 20.cb5 Bb3 21.Rc5 Nc5 22.bc6 Ne6+=) 19...Bb3+= 20.Rc5 Nc5 21.bc6 Ne6 (21...Na4? 22.c7 (22.Bd4?! Rbc8=) 22...Nb2 23.Rb1+– (23.cb8B?! Rb8 24.Ra6 Bc2=; 23.cd8B?! Rd8 24.Rb1 a5+–; 23.cd8N?! Rd8 24.Rb1 a5+–)) 22.Kf1? (better is 22.c7 Nc7 23.Bd4–/+) 22...Bd5–+ 23.Nd4 (23.Bc1 Bc6 24.Ne5–+) 23...Rb2 24.Rc1 (24.Bg4–+) 24...Nd4 25.c7 Rc8 26.Bg4 Ne6 27.Be6 Be6 28.g3 Rb7 29.Rc6 Rcc7 30.Ra6 Ra7 31.Rb6 Ra4 32.Rb8 Rc8 33.Rb2 h5 34.Kg2 Rc3 35.Rd2 Rd4 36.h4 Rdd3 37.Rb2 Bd5 38.Kh2 Rd1 39.Rb8 Kh7 40.Rb2 Rh1# 0–1. Neumann,Frank (1650) – Schmitt,Harald (1860), RSS5E NoEngine–39, 2007.

9.d4 Bd6 10.Nbd2 b6 11.c4 Bb7 12.cd5 ed5 13.Rc1 Ba3 14.Ba3 Qa3 15.Qb3? (better is 15.Ra1!? Qb4 16.Bd3+=) 15...Qb3–/+ 16.Nb3 Rfc8 17.Nfd2 (17.Ra1 a5–/+) 17...a5–+ 18.Bb5 Nb4 (18...a4 19.Na1–+) 19.Nf3 (19.Rc8 Rc8 20.Ra1 Ne4–+) 19...Ba6 20.Ba6 Na6 21.Ne5 (21.Rc8 Rc8 22.Ra1 Ne4–+) 21...Nb4 (21...a4 22.Nd2 b5 23.Ra1–+) 22.h3 Kf8 23.f3 Nc2 24.e4? (better is 24.Nc5 bc5 25.Rc2 cd4 26.Rc8 Rc8 27.ed4–+) 24...a4 (24...de4?! 25.Rf2 a4 26.Rfc2 Rc2 27.Rc2 ab3 28.Rb2 Ra1 29.Kh2–+) 25.Nd2 Nd4 26.ed5 Rc1 (26...Rc1 27.Rc1 Ne2 28.Kf1 Nc1–+) 0–1. Hal1958 – Sixty4, playchess.de, 2005.

9.d4 Bd6 10.Nbd2 Qc7 11.c4 Ne4 (11...Ng4!?=) 12.c5+= Be7 13.Ne4 de4 14.Nd2 f5 15.f3 Bg5 16.Nc4 b5 17.cb6 ab6 18.f4 Be7 19.Qb3 Rb8 20.Ne5 Ne5 21.fe5 Bg5 22.a4 Kh8 (22...Bd7 23.Ba3 Rfc8 24.Rac1+=) 23.Ba3 Be7 24.Rac1 Qd8 25.Be7 Qe7 26.Rc6 Bd7 27.Rd6 Qe8 (27...Rfc8!?+/–) 28.Bb5+– (28.Rb6?! Rb6 29.Qb6 Ba4+/–) 28...Bb5 29.ab5 Qf7 30.Qe6 Qe6 31.Re6 g6 32.g4 Kg7 (32...Rfd8 33.gf5 gf5 34.Rf5+–) 33.gf5 gf5 34.Kg2 (34...Kf7 35.d5+–) 1–0. marekt – GreenSky, internet, 2005.

9.d4 Bd6 10.Nbd2 Ne4 11.c4 =.

9.Ne5 Nd7 10.f4 Nde5 11.fe5 d4 (11...Qg5 12.Bb5+=) 12.ed4 Nd4 13.Kh1 Rd8 14.Bd3 g6 (better is 14...Qg5!? 15.Qe1 Bd7=) 15.Nc3 Qc7 16.Qe1 Bf8 17.Ne4 Bg7 (17...Nc2 18.Bc2 Qc2 19.Qh4+–) 18.Nf6 Bf6 19.ef6 Nf5 20.Bf5 ef5 21.Qh4 Qd6 22.Bc3 a5 23.Rf3 Qf8 24.Rh3 h5 25.Re1 Be6 26.a4 Rd5 27.Rg3 Kh7 28.Rg5 Qh6 29.Qf4 (29.Rb1 Rc5 30.Rf1 Rc4=) 29...Rc8 30.h4 Rdc5 31.Qd6 R5c6 32.Qe7 R6c7 33.Qd6 Rc6 34.Qa3 Rc4 35.g3 Qf8 36.Qa1? (better is 36.Qf8 Rf8 37.Ba5 Ra4 38.Bc3+=) 36...Qc5–+ 37.Qd1?? Bd5 (37...Bd5 38.Qf3 Bf3 39.Kh2 Qf2 40.Kh3 Qg2) 0–1. Garcia Corada,Pedro – Arranz Calvo,Andres, Valladolid CC Navidad op, 1989. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 c5 5.bc5 Bc5 6.Bb2 Nc6 7.Be2 0-0)

9.c4 dc4 10.Bc4 e5 11.Nc3 (11.Ng5 Re7=) 11...h6 12.Qb3 Rf8 13.Qa2 (13.d3 Bd6=) 13...Qe7 (13...Bg4 14.Nh4 Bh5 15.Na4=+) 14.Nd5 Nd5 15.Bd5 Bd7 (15...e4!? 16.Ne1 Bd6=) 16.Bc6+/- Bc6 17.Ne5 Be4 18.d3 Bh7 (18...Bf5 19.Rfd1+=) 19.d4 (19.e4 Rfd8+/-) 19...Bd6+= 20.a4 Qh4 21.Ba3 Be5 22.de5 Rfe8 23.Bd6 Be4 24.f3 Bc6 25.a5 Qg5 26.Qf2 a6 27.f4 Qf5 28.Qg3 Qe4 (28...Re6 29.Ra2+=) 29.Rac1 (29.f5 h5+-) 29...Rac8 30.f5 Bb5 31.Rfe1 (31.f6 g6 32.Qh3 Rc1 33.Rc1 Kh7+/-) 31...Rc2 (better 31...Qf5 32.e4 Qe6=) 32.Rc2 Qc2 33.f6 Qg6 (33...g6 34.Ra1+/-) 34.Qg6+- fg6 35.Rc1 (better 35.Be7!?+/-) 35...gf6+= 36.ef6 Kf7? (better 36...Re3 37.Be7 Bc6+=) 37.Be7+- Bc6 38.Kf2 g5 39.e4 (39.Rc4 Bb5 40.Rc7 Bc6+-) 39...h5? (better 39...Be4 40.g4 Bc6+=) 40.e5 Ke6 41.Re1 (41.Bd6 Kf7+-) 41...Bd5 42.h4! Kf7 (42...gh4 43.Rd1 Combination) 43.hg5 Kg6?? (43...Rg8 44.Rd1 Be6+-) 44.e6 Be6 (44...Rc8+-) 45.f7 (better 45.Re6 Rc8 46.Re3 Rc2 47.Kg3+-) 45...Kf7 46.Bf6 Bd7 47.g6?? (better 47.Re8 Be8 48.g3=) 47...Kf6-+ 48.Rd1 (48.g7 Kg7 49.Re8 Be8-+) 48...Be6 (48...Bc6 49.Rd6 Kg7 50.Rd3-+) 49.Rd6 (49.Rb1 Re7-+ (worse 49...Kg6 50.Rb7 Bc4 51.Rb6 Kg5 52.Rc6 Re2 53.Kf3 Bd5 54.Ke2 Bc6 55.Kf1-+)) 49...Kg6 50.Rb6 Kf5 (50...Re7!? 51.g3-+) 51.Rb7 Rd8 52.Rb3 (52.Rh7 Kg5 53.Rg7 Kf6-+) 52...Bc4 (better 52...Bb3 53.Ke2 Rg8-+) 53.Rc3 Bb5 54.Kg3 Ke6 (54...Rd2!? 55.Rc8-+) 55.Rc5 Rd5 56.Rc6 (56.Rc8-+) 56...Rd6 (56...Bc6 57.Kf4 Ra5-+) 57.Kh4 (57.Kh4 Bc6 58.g4 hg4 59.Kg4 Rd3 60.Kg5 Rf3 61.Kg6 Be4 62.Kg7 Rf7 63.Kh8 Kf6 64.Kg8 Rd7 65.Kf8 Rd8). black_bishop_88 (2555) - BMpachess (2410), lichess.org, 2020. (=1.a3 c5 2.b4 e6 3.bc5 Bc5 4.e3 Nf6 5.Bb2 0-0 6.Nf3 d5 7.Be2 Nc6 8.0-0 Re8)

9.c4 d4 10.Qc2 e5 11.Ng5 (11.ed4 ed4 12.Bd3 Ne5 13.Ne5 Re5+=) 11...h6 (better is 11...e4!? 12.Qb3 h6–+) 12.Ne4–/+ Bf5 13.Nf6 Qf6 14.e4 Be6 15.d3 Qg6 16.Nd2 f5 17.f4 Rf8 (17...fe4 18.Kh1 (18.Ne4? Qe4 19.Bh5 g6–+) 18...e3 19.Ne4–/+) 18.Rab1 (better is 18.Qb3!?=) 18...fe4–/+ 19.Ne4? (better is 19.Kh1 ed3 20.Bd3–/+) 19...Qe4!!–+ 20.Bc1 (20.de4 d3 Double attack (20...d3 Passed pawn)) 20...Qg6 21.Rb7 Rab8 22.Rb8 Rb8 23.Bf3 e4! 24.f5?? (24.de4 d3 Double attack (24...d3 Passed pawn); 24.Be4 Qe4) 24...Bf5 (worse is 24...Qf5 25.Be4 Qe4 26.de4 d3 27.Qf2 Bf2 28.Kf2 Bc4 29.Bd2–+) 25.Bd1 Ne5 (25...e3!? 26.Be2–+) 26.Bf4 ed3 27.Qf2 Re8 28.Ba4 Re7 29.Bg3 Be4 30.Qf8 Kh7 31.Qc8 Bc6 32.Rf8 Re8 33.Re8 Qe8 34.Qe8 Be8 35.Be8 Nc4 36.a4 d2 37.Bh5 Nb2 38.Bf2 d1Q 39.Bd1 Nd1 40.Kf1 Nf2 41.Kf2 Kg6 42.Ke2 Kf5 43.Kd3 Ke5 44.h3 a5 45.g3 g5 46.h4 gh4 47.gh4 h5 48.Kc4 Be7 49.Kd3 Bh4 50.Kd2 Bg5 51.Ke1 h4 0–1. Yannick – PLAYCHESS1963, playchess.de, 2005.

9.c4 d4 10.Bd3? e5-+ 11.ed4 Nd4 12.Nd4 (12.Nc3 Bg4 13.Be4 Ne4 14.Ne4 Nf3 15.gf3 Bh3-+) 12...Bd4 (12...ed4?! 13.a4-/+) 13.Bd4 Qd4 (13...ed4?! 14.a4-/+) 14.Qc2?? (better 14.Qb3-+) 14...Qa1 15.Nc3 Qa3 16.Nb5 (16.Nd5 h6 17.Nf6 gf6 18.Bh7 Kg7-+) 16...Qe7 17.c5 e4 18.Bc4 a6 (18...Qe5!? 19.Nd6 Re7 20.Re1-+) 19.Nd6 Rf8 20.Re1 Be6 21.Be6 Qe6 22.Nb7 (22.f3 Qd5 23.fe4 Qd4 24.Kh1 b6-+) 22...Rac8 (22...Rfc8 23.Rc1-+) 23.Rc1 (23.Na5 Qd5 24.Nb3 a5-+) 23...Qd5 24.Nd6 (24.c6 Ng4 25.Qc3 Rc7-+) 24...Qd6! 25.cd6 Rc2 26.Rc2 Rd8 27.Rc6 a5 28.Ra6 g6 29.Kf1 Ne8 30.d7 (30.Ra5 Nd6 31.Rd5-+) 30...Nf6! 31.Rf6 Rd7 32.Ra6 Rd5 33.Ke2 Kg7 34.Ke3 h5 35.Ke4 Rd2 36.Ke3 Rd5 37.f3 Rf5 38.h3 h4 39.Kf2 Rg5 40.f4 Rb5 41.g4 hg3 42.Kg3 Rf5 43.Kg4 Kh6 44.h4 (44.Ra7 Kh7=+) 44...Kg7 (44...Rb5 45.Ra8 f5 46.Kf3 Rb3 47.Ke2 Rb4-+) 45.Ra7 Kf8 46.Kg3 Ke8 47.Kg4 Kd8 48.h5 Rh5 49.Rf7 Ke8 50.Rg7 a4 51.Rg6 Ra5 52.Rh6 a3 53.Rh1 a2 54.Ra1 Kf7 55.f5 Kf6 56.Kf4 Ra4 57.Ke3 Kf5 58.Kd3 Ke5 59.Kc3 Kd5 60.Kb3 Ra8 61.Ra2 Rb8 62.Kc3 Rc8 63.Kd3 Rg8 64.Ra5 Kc6 65.Ra6 Kc5 66.Rh6 Rg3 67.Ke4 Rb3 68.Rh5 Kd6 69.Ra5 Rb4 70.Kd3 Rh4 71.Rb5 Ke7 72.Ra5 Kf6 73.Rb5 Ke6 74.Ra5 Rh3 75.Ke4 Rh1 76.Ra6 Kd7 77.Ke5 Re1 78.Kd5 Rd1 79.Ke5 Re1 80.Kd5 Ke7 81.Rb6 Kf7 82.Ra6 Kg7 83.Rb6 Rd1 84.Ke5 Re1 85.Kf5 Rf1 86.Kg5 Kf7 87.Rb5 Ke7 88.Re5 Kd6 89.Ra5 Kc6 90.Ra6 Kb5 91.Ra8 Kc4 92.Rc8 Kd5 93.Rd8 Ke6 94.Re8 Kd7 95.Re2 Rg1 96.Kf4 Kd6 97.Ke4 Kc5 98.Rd2 Rg8 99.Rc2 Kb4 100.Kd4 Rd8 101.Ke3 Re8 102.Kd4 Rd8 103.Ke3 Kb3 104.Rc7 Rd6 105.Rc5 Kb4 106.Re5 Rh6 107.Rf5 Ka3 108.Rf3 Ka4 109.Rf4 Ka5 110.Rf5 Kb4 111.Rf4 ½-½. carlos78 (2200) - BLC2316 (2205), Rated Blitz game, lichess.org, 2015.

9.c4 d4 10.ed4 Nd4 11.Nd4 Bd4 12.Nc3 +=.

9.c4 e5 10.d4 (10.Be5 dc4 (worse is 10...Re5 11.Ne5 Ne5 12.d4+/–) 11.Bb2 Be6=) 10...ed4 11.cd5 (11.Nd4 Qb6 12.Nb3 dc4 13.Bc4 Bg4=) 11...Nd5 (11...de3 12.dc6 ef2 13.Kh1 Qd1 14.Bd1 (14.Rd1? Re2 15.Bf6 gf6–+) 14...bc6 15.Bf6–/+) 12.Nd4 Qb6 13.Nb3? (better is 13.Qd2+=) 13...Be3?? (better is 13...Ne3 14.fe3 Be3 15.Kh1 Be6–+) 14.Qd5+/– (14.fe3? Ne3 15.Bd4 Nd4 16.Qd4 Qb3–+) 14...Be6 15.Qh5?? (15.Qb5 Rad8 16.Qb6 Bb6+/– (16...ab6? 17.fe3 Bb3 18.Kf2+–)) 15...Bb3?? (better is 15...Qb3 16.Bg7 Kg7 17.fe3 Qe3 18.Kh1 Rad8–+) 16.fe3+= Qe3 17.Rf2 Nd4 18.Bd4?? (better is 18.Bf1 Nc2 19.Nd2 Na1 20.Nb3 (20.Ba1?! Be6=) 20...Qb3 21.Qg4+– (21.Ba1?! Re1 22.Bd4 f6=)) 18...Qd4–+ 19.Qf3 (better is 19.Nc3 Qc3 20.Rb1–+) 19...Qa1?? (better is 19...Re3 20.Qf4 Qf4 (20...Qa1?! 21.Qe3 Qb1 22.Rf1–+) 21.Rf4 Re2–+) 20.Qb3+= Re7 21.Bc4 Re1 22.Bf1 Rf8 23.Nd2 b6 24.g3 Re7 25.Kg2 Qd4 26.Bc4 Qc5 27.Nf3 Re3 28.Qb4 Ra3 29.Qc5= bc5 30.Ne5 Increases the pressure on f7 30...Rc3 31.Bf7 Kh8= 32.Ra2 Re3+= 33.Nc4 Re4 34.Ra7+= Re2 35.Kh3+/– g5 36.Nd6+– Re5 37.Kg4 Rb8 38.Bc4 Re1 39.Kg5 Rh1 40.h4 Rf8 41.Rc7 Ra1 42.h5 Ra3 43.g4 Rc3 44.h6 Rg3 45.Kh4 Rc3 46.Be6 Rf1 47.Nf7 Kg8 48.Ng5 Rf7 49.Rc8# 1–0. Casner – Mont Reynaud, Livermore, 1992. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6)

9.d3 d4 10.ed4 Nd4 11.Bd4 Bd4 12.c3 =.

9.d3 Bd7 10.Nbd2= Qe7 11.d4 Bd6 12.c4 b6 13.Qc2 Rac8 14.Qb3 (14.Ne5 Na5 15.Qb1 dc4 16.Nec4 Nc4 17.Nc4 Bc6=) 14...Na5+= 15.Qa2 Rc7 (15...Nc4 16.Nc4 dc4 17.Bc4+=) 16.Rfc1 Rec8 17.Rc2 (17.cd5 ed5 18.Rc7 Rc7=) 17...Bb5 18.Rac1 Ba4 (18...Nc4 19.Bc4 Bc4 20.Nc4 dc4 21.Rc4+=) 19.Rc3 Bd7 (19...dc4 20.Nc4 Nc4 21.Rc4= (21.Bc4?? Ne4–+)) 20.cd5= ed5 21.Rc7 Bc7 (21...Rc7 22.Rc7 Bc7 23.Ne5=) 22.Rc3?? (better is 22.Ba6+–) 22...Bg4 (22...b5 23.a4 b4 24.Rc1=) 23.a4 (23.Ba6 Rd8=) 23...Bb8 (23...Bh2 24.Nh2 Rc3 25.Bc3 (25.Bg4 Rc2 26.Bf5 Rd2–+) 25...Be2 26.Ba5 ba5 27.Qc2=) 24.Rc8 (24.h3 Bf5=) 24...Bc8 25.Qa3 Qc7 26.g3 (26.Qc3 Bd7=) 26...Bh3 27.Qb4 h6 28.Bd3 g6 (28...Nc6 29.Qc3=) 29.Ba3+= Nc6?? (29...Qd8 30.Qe7 Qe7 31.Be7=) 30.Qc3?? (30.Qf8 Kh7 31.Ng5 hg5 32.Nf3+–) 30...Qb7 (30...Bg4 31.Qc2=) 31.Nh4 g5 (31...Qc7 32.Bb5 Nd8 33.Qb4=) 32.Ng2 (better is 32.Nf5 Bf5 33.Bf5+/–) 32...Qd7?? (better is 32...Qc8+=) 33.Bb5+– Qg4 (33...Nd4 34.Qd4 (34.Bd7?! Ne2 35.Kf1 Nc3 36.Bh3 g4=; 34.ed4?! Qd8+–) 34...Qe6 35.Bb2+–) 34.f3 (34.Bc6?! Qd1 35.Nf1 Qf3+–; worse is 34.Qc6 Qe6+–) 34...Qc8 35.Qc6 (35.Bc6?! Bd7+=) 35...Bc7 (35...Qd8+–) 36.Qf6 g4 (36...Qe6 37.Qe6 Be6 38.Bc6+–) 37.f4 (better is 37.Qh6!? gf3 38.Qg5 Kh7 39.Bd3 f5+–) 37...a6 38.Ba6! Qa6 39.Qc6 Qd3 (39...Qc8 40.Bd6 Qe6 41.Qc7 Bg2 42.Kg2 Qe3 43.Qc8 Kh7 44.Qf5 Kg7 45.Qg4 Kf6+–) 40.Bc1 (better is 40.Qe8 Kh7 41.Qf7 Kh8 42.Be7 Bd8 43.Bd8 Qf5 44.Qf5 Kg7 45.Be7 h5 46.Qf6 Kh7 47.Qf7 Kh6 48.Bg5) 40...Qe2 41.Qd5 Qd1 42.Nf1 Qc1 43.e4 Qc2 (43...Bg2 44.Kg2 Qc2 45.Kg1 Qa4 46.e5+–) 44.e5 (44.Qa8 Kg7 45.Nge3 Qd3+–) 44...Qe2? (44...Qa4 45.Nge3+–) 45.Nfe3 (better is 45.Nge3 Bf1 46.Nf1+–) 45...Bg2 46.Ng2 Qd1 47.Kf2 Qd2 48.Kf1 b5?? (48...Qd3 49.Ke1 Qb1 50.Kd2 Qb2 51.Kd3 Qb1 52.Kc3 Qc1 53.Kb4 Qb2 54.Qb3 Qg2 55.Kb5=) 49.ab5?? (49.Qb5 Qd4 50.e6 fe6 51.Qe8 Kh7 52.Qe7 Kh8 53.Qe6 Bb6 54.Qe5 Qe5 55.fe5 Kg8+–) 49...Bb6?? (49...Qd3 50.Ke1 Ba5 51.Kf2+=) 50.e6?? (better is 50.Qe4+–) 50...Bd4 51.ef7 Kf8 52.Qd8 Kf7 53.Qd7 Kf6 54.Qd6 Kf5?? (54...Kf7 55.Qc7 Kf8 56.Qc8 Ke7 57.Qb7 Kf8 58.Qb8 Kf7 59.Qb7 Kf8 60.Qa8 Kg7 61.Qb7 Kf8=) 55.Qd5 (better is 55.Nh4 Ke4 56.Qg6 Ke3 57.Ng2 Qg2 58.Kg2+–) 55...Kf6= 56.Qd6 ½–½. Apostol,Maria – Pirvan,Maria, Campionatul National de sah al Romaniei, 2016.

9.d3 e5 10.d4 Bd6 (10...ed4!? 11.Nd4 a6=+) 11.de5= Ne5 12.Ne5 Be5 13.Be5 Re5 14.Qd4 Re4 15.Qd2 b6 16.Bf3 (16.Nc3 Re7=) 16...Re7 17.c4 (17.Nc3 Be6=) 17...Bb7 (17...Ba6 18.Rd1 Bc4 19.Nc3–/+) 18.cd5= Bd5 19.Bd5 Nd5 20.Nc3 Rd7 (20...Nc3 21.Qc3 Rc7 22.Qb4=) 21.Nd5 (21.Rfd1 Nf6 22.Qb2 h6=) 21...Rd5=+ 22.Qc2 Rc8 23.Qb3 Rcc5 24.Rfd1 h6 25.h3 Rb5 26.Qc2 Rbc5 27.Qb3 Rb5 28.Qc2 Rbc5 29.Qb3 Rb5 ½–½. Faybish,Benjamin – Mang,Jessie, Dutch Youth, 2016.

9.d4= Qb6 10.Ra2 Be7 11.c4 =.

9.d4 Be7 10.Nbd2 b6 11.Rc1 Bb7 12.Bb5 a6 13.Bd3 b5 14.Ne1 Na5 15.Ra1 Nc4 The isolani on a3 becomes a target 16.Qc1 Qc7 17.h3 Rec8 18.Bc4 dc4 19.c3 a5 20.Qd1 b4 21.a4 Nd5 22.Nb1 Qc6 23.Qg4 bc3 24.Bc1 Bb4 25.Qg3 Nf6 26.f3 Qd7 27.Nc2 Bc6 28.e4 Ba4 29.Nba3 Ba3 30.Na3 Qd4 31.Kh1 c2 32.Ra2? (32.Bh6 Nh5 33.Qg4 Qe5–+) 32...Qd3 33.Qf2 Bb3 34.Rb2 (34.Ra1–+) 34...a4 35.Nc2 a3 (better is 35...c3 36.Na3 cb2 37.Bb2–+) 36.Ne1 (36.Na3 Ra3 37.Rd2–+) 36...ab2 37.Bb2 Qd8 38.Qg3 (38.Bc3 Nh5 39.Kh2 Ra2–+) 38...c3 39.Bc1 Qc7 (better is 39...Qd1!? 40.Bg5 Ne8 41.Rg1–+) 40.e5 Ne8 0–1. Krois,Andreas – Modlinski,Wolfgang, Ruhrgebiet VL1–chT, 1995. (=1.e3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.Be2 0-0 8.0-0 Re8)

9.d4 Bf8 10.Nbd2 b6 11.c4 Bb7 12.cd5 Nd5 13.Bb5 Rc8 14.Rc1 Qd7?? (better is 14...a6 15.Bd3 Be7=) 15.Ne5+– Qd6 16.Ne4 Qb8 17.Nc6 Bc6 18.Bc6 Re7 19.Bd5 (19.Qh5 Rec7 20.Bd5 ed5 21.Rc7 Qc7 22.Qd5 Qc2+–) 19...ed5 (19...Rc1 20.Bc1 ed5 21.Nc3+–) 20.Rc8 (better is 20.Nf6! Kh8 21.Rc8 Qc8 22.Nd5 Re4+–) 20...Qc8 21.Ng5 Qf5 22.Nf3 Rc7 23.Qb1 Qh5 24.Rc1 Re7 25.Rc8 g5 (25...Re4 26.a4 f6 27.Qa2+–) 26.Qf5 Re6 (26...Qg6 27.Qd5 Re8 28.Rc1+–) 27.Qg5 (27.Qg5 Qg5 28.Ng5+–) 1–0. Fournier,Frederic – Cadet,Yves, Match Active, 2000.

9.Re1 e5 10.d4 ed4 11.ed4 Bb6 12.Ne5? (12.Nbd2!?=) 12...Ne5 13.de5 Ne4 14.Bd4 Re5! 15.Bf3 (15.Be5 Bf2 Double attack) 15...Re8 16.Bb6 Qb6 (worse 16...ab6 17.c4=+) 17.Be4 de4 18.Nc3 Bf5 19.Nd5 Qc5 20.Ne3 Rad8 21.Qe2 Rd4 22.Rab1 Bc8 23.Rb3 Red8 24.Nf1 b6 25.Re3 f5 26.Kh1 Bb7 27.Rb1 (27.Qh5 f4 28.Qc5 bc5-+) 27...Rc4 28.Rc1 Ba6 29.Rh3 Rc2 30.Qh5?? (30.Qc2 Qc2 31.Rc2-+) 30...h6 (30...Rc1 31.Qh7 Kf7 32.Qh5 Kf6 33.Qg6 Kg6 34.Rg3 Kf6 35.Rg6 Kg6 36.h4 Qf2 37.h5 Kg5 38.h6 Rf1 39.Kh2 Qh4) 31.Rb1 (31.Rc2 Qc2 32.Rg3 Qf2-+) 31...Qf2 (31...Rc1 32.Rd3 ed3 33.Qd1 Rd1 34.Rd1 Qf2 35.a4 Re8 36.Rb1 Re2 37.Ne3 Re1 38.Re1 Qe1 39.Nf1 Qf1) 32.Ne3 Rc5 (32...Rcd2 33.Rg1 f4-+) 33.Qg6 Qa2 34.Rg1 Qf7 (34...Qa3?? 35.Nf5 Rf5 36.Ra3+-) 35.Qg3 f4 36.Qh4 Rd3 (36...fe3?! 37.Qd8 Qf8 38.Qd4-/+) 37.Ng4 Rh3 38.gh3 Kh8 (better 38...Kh7 39.Qf2 Qb7-+) 39.Nh6= Qh5?? (39...Qc7 40.Ng4 Kg8 41.Nf6 Kf7 42.Rg7 Kg7 43.Ne8 Kg6 44.Qf6 Kh7 45.Nc7 Rc1 46.Kg2 Rc7 47.Qh4 Kg6 48.Qg4 Kh7 49.Qh5 Kg8 50.Qe8 Kh7 51.Qe4 Kg8 52.Qe8 Kh7+-) 40.Qd8 Kh7 (40...Qe8 41.Qe8 Kh7 42.Qg6 Kh8 43.Qg7) 41.Qg8 (41.Qg8 Kh6 42.Qg7) 1-0. Nekvasil,Radek (1755) - Machacek,Lukas (1685), 45th Vsetin Open, 2020.

9.Ne5 d4 10.Nc6 bc6 11.ed4 Bd4 12.c3 =+.

9.Ne5 Bd6 10.f4= Nd7 11.d4 f6 12.Nf3 Nb6 13.Nbd2 Na4=+ 14.Qc1 Bd7 15.c4= b6 16.Bd3 Rc8 17.Qb1 Nb2 18.Qb2 Na5 19.Rfc1 dc4 20.Nc4 Nc4 21.Bc4 Kf8 22.Qb1 g6 23.g3 Qe7 24.Qd3 b5 25.Bb5+= Bb5 26.Qb5 Rc1 27.Rc1 Rb8 28.Qa6 Ba3 29.Rc8 Rc8 30.Qc8 Kg7 31.e4 a5 32.e5 Bb4 33.ef6+= Qf6 34.Kf1 Qf5 35.Ng5 Qd3 36.Kg2 Qe2 37.Kh3 ½–½. Sebald,Ralph – Prass,Marian, Dortmund, 1998.

9.Ne5 Ne5 10.Be5= Nd7 11.Bb2 Qb6 12.Qc1 e5 13.Nc3 Nf6 (better is 13...d4 14.Na4 Qc7 15.Nc5 Nc5=) 14.Na4+/– Qc6 15.Nc5 Qc5 16.d3 (16.Be5 Bf5+/–) 16...Bd7 (16...d4 17.Rb1=) 17.Qd2 (better is 17.Be5!? Rac8 18.Ra2+/–) 17...Rac8 18.Rfc1 Re6 (18...d4!?=) 19.d4 (19.Be5 Re5 20.d4 Ne4+/–) 19...ed4 (19...Qb6 20.de5 Qb2 21.ef6 Qf6 22.c4+=) 20.Bd4 Qd6 (20...Qe7 21.f3+= (worse is 21.Ba7 Ne4 22.Qe1 b6=)) 21.Qb4 (worse is 21.Ba7 b6 22.c4 d4+=) 21...Ne4 (21...Qc7 22.f3+/– (22.Ba7? b6–+)) 22.c4+= Qc7? (22...dc4 23.Rc4 Rd8 24.Qb7+/–) 23.Qb2 (better is 23.cd5 Qc1 24.Rc1 Rc1 25.Bf1+–) 23...Rc6+/– 24.f3 (24.Be5 Nd6 25.Rd1 Bf5 26.Rd5 Be6 27.Bd6 Rd6 28.Rd6 Qd6 29.Qb7 g6+/–) 24...Ng5 (24...Nd6 25.c5+=) 25.Be5+/– Qd8? (better is 25...Rb6 26.Qd4 Ne6 27.Qd5 Qc5 28.Qc5 Nc5+/–) 26.cd5+– Rg6?! (26...Rc1 27.Rc1 f6 28.Bd4 Rc1 29.Qc1+–) 27.Kh1 (better is 27.Qb7!? f5+–) 27...Rb6 28.Qd4 White plans d6 28...f6 29.Bg3 Qe7? 30.Rc8 Bc8 31.d6 Qd7 32.Bc4 Kh8 33.h4 Nf3 34.Qd5 (34.Qd5 Qe8 35.Qf3+–) 1–0. Bah,Ismael (1745) – Riviere,Etienne, Saint Denis REU, 2014. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6 8.0-0 Re8)

10.Nc3 a6!?+= A) 11.Qd3 b5 (11...Qc7 12.Rfb1 b5 13.e4 e5 14.de5 Ne5 15.Ne5+=; 11...e5 12.de5 Ne5 13.Ne5 Be5 14.f4 Bc3 15.Bc3=; 11...Rb8 12.e4 e5 13.ed5 Nd4 14.Nd4 ed4 15.Qd4+=) 12.Rfe1 Bb7 13.e4 Nb4 14.ab4 de4 15.Ne4–/+; B) 11.a4 Bd7 (11...Qe7 12.Bd3 e5 13.de5 Ne5 14.Rb1 Bg4 15.Be2+=; 11...b6 12.Ba3 Ba3 13.Ra3 Qc7 14.Bd3 e5 15.de5=; 11...Qa5 12.Qd2 Bb4 13.Qd3 Bd7 14.Rfb1 Rac8 15.Nd1=) 12.Ba3 Bb8 13.Rb1 b6 14.Re1 Qc7 15.Qd3+=; C) 11.Bd3 e5 (11...b5 12.e4 e5 13.de5 Ne5 14.Nd5 Bg4 15.Ne3=; 11...Na5 12.e4 de4 13.Ne4 Ne4 14.Be4 Nc4 15.Bc1=; 11...Qb6 12.Ra2 e5 13.de5 Ne5 14.Ne5 Be5 15.Ne2=) 12.de5 Ne5 13.Ne5 Be5 14.Na4 Bg4 15.Qd2+=.

10.Nc3 Qb6 A) 11.Qd3 Na5 (11...Bd7 12.Rfb1 Qa5 13.e4 de4 14.Ne4 Ne4 15.Qe4=; 11...e5 12.Qb5 Qc7 13.de5 Be5 14.Ne5 Re5 15.Qa4+=; 11...Bb8 12.Rab1 Qc7 13.e4 e5 14.Nd5 Nd5 15.ed5+=) 12.Bc1 Bd7 13.e4 de4 14.Ne4 Ne4 15.Qe4=; B) 11.Bc1 a6 (11...Bb8 12.Bd2 a6 13.Bd3 e5 14.Rb1 Qc7 15.de5+=; 11...Be7 12.Qd3 Qc7 13.e4 e5 14.ed5 Nd4 15.Nd4=) 12.a4 Qa5 13.Bd2 Qc7 14.Rb1 b6 15.Re1+=; C) 11.Bd3 a6 (11...Na5 12.Rb1 Bd7 13.Ne5 Rec8 14.e4 Nc4 15.Bc4+=; 11...Be7 12.Qd2 a6 13.Rfb1 Qc7 14.e4 b5 15.e5=; 11...Bd7 12.Rb1 Rec8 13.e4 de4 14.Ne4 Ne4 15.Be4+=) 12.Rb1 Qc7 13.e4 Be7 14.e5 Nd7 15.Ne2=.

10.Nc3 e5 11.de5= (11.Nb5 e4 (11...ed4 12.Nd6 Qd6 13.Nd4 Ne4 14.Nb5 Qd8 15.Rb1=) 12.Nd6 Qd6 13.Ne5 Be6 14.Rb1 Rec8 15.Bb5=) 11...Ne5 (11...Be5 12.Ne5 Ne5 13.Nb5= Bg4 14.Be5 Be2 15.Bf6+=) 12.Nd5+= Nd5 (12...Bg4 13.Nf6 Qf6 14.Be5 Be5 15.Ne5+/–) 13.Qd5 Ng4 (better is 13...Qc7!? 14.Rad1 (14.Be5 Be5 15.Ne5 Re5+/–) 14...Nf3 15.Bf3+/–) 14.Rad1 Re6 (14...Bc7 15.Qd8+–) 15.Qd4 Rh6?? (15...Rg6 16.Bd3 f5 17.Bc4 Kf8+–) 16.h3 (16.Qg7) 16...Nh2 (16...Qf8 17.hg4 Ba3 18.Ba3 Qa3+–) 17.Qg7 1–0. aga2013 (1770) – wwgia (1715), gameknot.com, 2014.

10.c4 a6 11.Nbd2+= Ne4 (11...b6!?+=) 12.Ne4+/– de4 13.Nd2 f5 14.Qc2 White plans c5 (14.c5 Bc7+/–) 14...Bd7 (14...b6 15.c5 bc5 16.dc5+=) 15.Rfd1 (15.c5 Bc7+=) 15...Rc8 (15...b5 16.Bc3+=) 16.c5 Bb8 (16...Na5 17.Qc3+=) 17.Nc4 (17.Qc3 b5+/–) 17...Na5 (17...Ne7 18.Bc3 Nd5 19.Rdb1+=) 18.Bc3 (18.Na5 Qa5 19.Bc3 Qd8+=) 18...Nc4 19.Bc4 Qc7 (19...Bc6 20.Rab1+=) 20.g3+/– Bc6 21.Qb3 Qf7 22.Rab1 Rcd8 23.Ba5 Rd7 24.Rb2 g5 Black intends f4 25.Rbd2 Bd5 26.Bd5 ed5= 27.Rb2 f4 28.Rdb1 fg3 29.hg3 Rf8 30.Qd1+= h5? 31.Qe2 g4?? 32.c6!+– Bg3 33.cd7 (33.cd7 Bh4 34.Rb7+–) 1–0. Lueders,Horst – Lampe,Helmut, GER–chT Seniors, 1996.

10.c4 b6 11.Nc3 Bb7 12.cd5 ed5 13.Bd3 g6 (13...a6 14.Rc1=) 14.Nb5 Bf8 15.Rc1 Rc8 16.Nc3 Ne4 17.Qb3 The isolani on d5 becomes a target 17...Na5 18.Qa2 Nc3 (18...Nc4 19.Ne4 Nb2 20.Rc8 (20.Qb2? de4 21.Rc8 Bc8–+) 20...Bc8 21.Nf6 (worse is 21.Qb2 de4 22.Bb5 ef3–+) 21...Qf6 22.Bb5=) 19.Rc3 Nc4 20.Rfc1 (worse is 20.Bc4 dc4 (20...Rc4?! 21.Rc4 dc4 22.Qc4=) 21.Ne1 b5–/+) 20...b5 (20...Bd6 21.Qb1=) 21.Ne5 (21.Qb3 a6=) 21...Qe7 22.a4 a6 23.Bf1 Ne5 24.de5+= Rc3 25.Bc3 b4 26.Bd4 Qd7 27.a5 Rc8 28.Rd1 Qf5 29.Qa1 Rc2 30.f3 Qg5 31.Qa4 Rc8 32.Bd3 Qe7 33.Qa2 Qe6 34.f4 Qg4 35.Rf1 Qh4 36.Qe2+/– Rc6 37.Bb6 b3 38.Qb2 (38.Qb2 Rb6 39.ab6+/–; worse is 38.Ba6 Rc2 39.Qc2 bc2 40.Bb7 Qg4–+) 1–0. von Saleski,Marcel – Ohnmacht,Rolf, DESC, 2001.

10.c4 dc4 11.Bc4 Na5 12.Bd3 +=.

10.c4 dc4 11.Bc4 a6 12.Bd3 =.

10.c4 e5 11.cd5 Nd5 12.de5 Ne5?? (12...Be5 13.Ne5 Ne5+= (13...Re5?? 14.Be5 Ne5 15.e4+-)) 13.Qd5+- Nf3 (13...Bg4 A) 14.Be5?! Be5 15.Qd8 Rad8+- (15...Red8?? 16.Ne5 Be2 17.Rc1+-); B) 14.Qb7 Rb8 15.Qa7 Nf3 16.Bf3 Bf3-/+; C) 14.Nbd2+-) 14.Bf3 (14.gf3?? Bh2 15.Kh2 Qd5-+; worse 14.Qf3 Bd7+-) 14...Be6 (14...Bg4 15.Nc3 (15.Bg4?! Bh2 16.Kh2 Qd5=) 15...Bf3 16.Qf3+- (16.gf3?! Re5 17.Qd4 Rg5 18.Kh1 Rh5+-)) 15.Qd2 (15.Qb7?! Rb8 16.Qa7 Rb2+=) 15...Qh4 (15...Qe7 16.Bd4+-) 16.g3 (better 16.Qd6 Rad8 17.Qb4+-) 16...Qf6 (16...Qe7 17.Nc3 Red8+-) 17.Bf6 (17.Bf6 Bf8 18.Bd4+-) 1-0. Bendega (2040) - Pommess (2055), lichess.org, 2021.

10.Nbd2 b6 11.c4 Bb7 12.Rc1 Qe7 13.cd5 ed5 14.Qb3 (14.Bb5 Rec8 15.Qa4 Qe6+=) 14...Na5 15.Qa2 Ne4 16.Ne4 de4 17.Nd2 (17.Ne5 Red8+=) 17...Qg5 18.Rfe1 (18.Bc3 Rac8=) 18...Bd5 19.Qb1 Re6 20.g3 h5 21.h4 (21.Rc3+=) 21...Qh6 (21...Qf5 22.Bc4 Rg6 23.Re2 Nc4 24.Nc4–+) 22.Kg2 (22.Nc4 Bf8=) 22...f5 (22...Qg6 23.Nc4 Nc4 24.Bc4 Bc4 25.Rc4+=) 23.Rc3 (23.Rc2 f4 24.ef4 Bf4–/+) 23...Qg6 (23...f4!? 24.ef4 Bf4+=) 24.Kh2= Qf6 25.Rh1?? (better is 25.Kg2=) 25...f4!–/+ 26.gf4?? (26.ef4 Qd4 Deflection; 26.gf4 g5 Double attack (26...g5 Decoy; 26...Qh4 Zwischenzug)) 26...Bf4 (better is 26...Qh4 27.Kg2 Rg6 28.Bg4 Rg4 29.Kf1 Qh1 30.Ke2 Rg1 31.Qg1 Qg1–+) 27.ef4 (27.Kg1 Bd6 28.Rh3 Qg6 29.Kh1 Rf8–+) 27...Qf4 28.Rg3 Qf2 29.Rg2 Qf4 30.Kh3? Qe3?? 31.Rg3? Qe2–+ 32.Rh2 Qb5 33.Rhg2 Re7 34.Kh2 Rf8 35.Rg5?? Qd7–+ 36.Rh5 Qd6 37.Kg1 Qd7 38.Rg3?? Rf5 39.Rf5 Qf5 40.Rg5? Qf7 41.Qf1 Qf1 42.Nf1+= Bc4 43.Ne3= White plans d5 43...Bd3 44.d5 Looking at g7 44...Nc4 45.Nf5 g7 seems the pivot of the position 45...Rf7?? 46.Nh6+– Kf8 47.Nf7 Kf7? 48.Bg7 Na3? 49.h5 Nc4 50.Bc3 a5 51.h6 e3 52.h7! Bh7 53.Rg7 Ke8 54.Rh7 Kd8 55.Kf1 b5 56.Ke2 b4 57.Bf6 Kc8 58.Kd3 Nb6 59.d6 a4 60.Bd4 e2 61.Bb6 e1Q 62.d7 1–0. Popper,Tomas (1960) – Simkin,Alexander (1890), Brno CZE, 5th Open, 2014. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6 8.0-0 Re8)

10.Ne5 Qb6 11.Qc1 Nd7 12.f4 f6 13.Nf3 Ne7 14.Nc3 a6 15.Rb1 (15.Nd1 Qc6=) 15...Qc7=+ 16.Nd1 b5 17.Bd3 Nb6 18.c3 (18.Bc3 Nc6=+) 18...Bd7 19.Qc2 f5 20.Ne5 Rac8 21.Qe2 Be5 (21...Rf8 22.Bc1=+) 22.fe5 Nc4 23.Bc1 Rf8 24.Rf3 Be8 25.g4 (better 25.Rf2!?=) 25...Bg6–/+ 26.a4 ba4 27.Bc4 (27.Rb4 a5 28.Ra4 Qc6=+) 27...dc4 (27...Qc4 28.Qc4 Rc4 29.Rb6–/+) 28.Ba3 fg4 29.Rf8 Rf8 30.Rb4 The isolani on c4 becomes a target (better 30.e4!? Rf4 31.Nf2=+) 30...Bd3–+ 31.Qg2? (better 31.Qg4 Rf1 32.Kg2–/+) 31...Rf1 32.Qf1 Bf1 33.Kf1 Nd5 34.Rb2 Qc6 35.e4 Nf4?? (better 35...Nc7 36.Rb8 Kf7–+) 36.Rb8+= Kf7 37.Rf8 Kg6 38.Rf4 h5 39.h3? (39.Nf2 Qb5 40.Rf8 Qb3–/+) 39...g3 (39...Qb7 40.Ke1 g3 41.d5–+) 40.Kg2 Qb5 41.Rf3 (41.Rf1 Qb3 42.Bd6–+) 41...h4 42.Rf4 Kh5 (42...Qb3 43.Rh4 Qd1 44.Rg4 Kh5 45.Kg3 Qg1 46.Kf3–+) 43.Be7 (43.Rf8 Qb1 44.Rh8 Kg6 45.Rh4 Qd1 46.Rg4 Kh5 47.Rg3 Qc2 48.Kh1 Qe4 49.Kh2 Qc2 50.Rg2 Qc3 51.Bb2–+) 43...g5 44.Rg4 (44.Rf6 Qb1 45.Bf8 Qe4 46.Kg1 g4 47.hg4 Kg4 48.Nf2 gf2 49.Kf2 h3–+) 44...a3 (better 44...Qb1 45.Rg5 Kh6–+) 45.Rg5 Kh6 46.Kf3 a2 (better 46...Qb7 47.Bf6 Qb3–+) 47.Ne3= Qb8 48.Ng4 Kh7 49.Nf6 Kh8 50.Ng4 Qg8 51.Bf6 (51.Rg8? Kg8 52.Bh4 a1Q–+) 51...Kh7 52.Rh5 (52.Rg8? Kg8 53.Bh4 a1Q–+) 52...Kg6 53.Rg5 Kh7 ½–½. Pisarsky,Georgy (2105) – Gavrilov,Gennady (2085), Novosibirsk Region–ch Seniors, 2009.

9.0-0 b6 10.Nbd2 (10.d4 Be7 (10...Bd6 11.Nbd2 Qc7 12.c4 Ng4 13.h3 Nh2 14.Re1 Nf3 15.Bf3+=) 11.Nbd2 Bb7 12.Bd3 Rc8 13.Rc1 a6 14.c4 dc4 15.Nc4=) 10...Ba6 (10...Bb7 11.d4 Bd6 12.c4 Qe7 13.Qa4 Rac8 14.Rfc1 Rc7 15.Qb5=; 10...a6 11.d4 Bd6 12.c4 Na5 13.Rc1 Qe7 14.Ne5 Ba3 15.Ba3=) 11.Re1 (11.c4 d4 12.ed4 Nd4 13.Nb3 Ne2 14.Qe2 Bd6 15.Ne5=) 11...Rc8 12.Bf1 (12.c4 dc4 13.Nc4 Bc4 14.dc4 Qe7 15.Qa4=) 12...Be7 (12...Bd6 13.c4 dc4 14.dc4 e5 15.Bd3+=) 13.g3 (13.Rc1 Qd6 14.c4 dc4 15.Qa4=) 13...Qc7 (13...Bb7 14.Bg2 Qc7 15.Rc1+=) 14.Bg2 (14.Rc1 Bb7 15.Bg2+=) 14...Rcd8 (14...e5 15.Rc1+=) 15.e4 (15.Rc1=) 15...Na5 16.e5 Nd7 17.Nb3 Rb8 18.Na5 ba5 19.Bd4 Rec8 20.c3 (20.Re2!?=) 20...Nc5–/+ 21.Bf1 Nb3 22.Rb1 (22.Ra2 a4–/+) 22...Nd4 23.cd4 Rb1 24.Qb1 Ba3 25.Qa2 Bb4 26.Rb1 Qc2 27.Qa1 (27.Qc2 Rc2 28.Kg2 Kf8–+) 27...Qc3 (27...Bd3 28.Rd1 Bf1 29.Kf1–+) 28.Qa2 (better is 28.Qa4!?–/+) 28...h6 (28...Bd3!? 29.Rb3 Qc2 30.Qc2 Bc2 31.Rb2–+) 29.Ne1 0–1. Santana,Expedito (1670) – Frois,Vitor Amorim (1945), Curitiba Brazil, PanAm Amateur Champion, 2015.

9.0-0 d4 A) 10.Bd4 Bd4 (10...Nd4 11.ed4 Bd4 12.c3 Bc5 13.d4 Bd6 14.Nbd2 Qc7 15.Nc4=) 11.Nd4 Nd4 12.ed4 Qd4 13.c3 Qh4 14.f4 Nd5 15.Qd2+=; B) 10.ed4 Bd4 (10...Nd4 11.Bd4 Bd4 12.c3 Bc5 13.d4 Bd6 14.Re1 Qc7 15.Bd3=) 11.Nd4 Nd4 12.Bf3 e5 13.Bd4 Qd4 14.Nd2 Rb8 15.Re1+=.

9.0-0 Bd6 A) 10.Nc3 a6 (10...Qa5 11.a4 e5 12.Nb5 Bb4 13.c3 Be7 14.c4 Bb4 15.d4+=) 11.Na2 Qe7 12.Nc3 b5 13.Qd2 e5 14.Rfe1 Qc7 15.Red1–/+; B) 10.Nbd2 Bd7 (10...e5 11.c4 Be6 12.Ng5 dc4 13.Ne6 Re6 14.Nc4 b5 15.Nd6=) 11.c4 Rc8 12.cd5 ed5 13.Bf6 Qf6 14.Qb3 Qe6 15.d4+=.

9.0-0 Bd7 A) 10.c4 e5 (10...dc4 11.d4 Bd6 12.Bc4 Qb6 13.Qe2 Na5 14.Bd3 Nb3 15.Ra2=) 11.cd5 Nd5 12.Qb3 Nb6 13.Rc1 Bd6 14.Nbd2 Be6 15.Qd1=; B) 10.Nbd2 b6 (10...Rc8 11.d4 Bd6 12.c4 b6 13.Bd3 Qe7 14.Ne5 Red8 15.Qf3=) 11.c4 Rc8 12.d4 Bd6 13.Bd3 Qe7 14.Ne5 Rc7 15.Qf3=.

9.0-0 e5 A) 10.d4 Qb6 (10...ed4 11.Nd4 Qb6 12.Nb3 Be7 13.Nc3 Be6 14.Nb5 Rac8 15.Rb1=) 11.Nc3 Bd4 12.ed4 e4 13.Na4 Qa5 14.Nc5 ef3 15.Bf3=; B) 10.Ne5 Ne5 (10...Qb6 11.Bc3 Ne5 12.d4 Bd6 13.de5 Be5 14.Be5 Re5 15.Nd2=) 11.d4 Qb6 12.Ra2 Bd6 13.de5 Be5 14.Be5 Re5 15.Nd2=.

9.0-0 a6 10.c4 dc4 11.Bc4 b5 12.Bd3 Bb7 13.Nbd2 Rc8 14.Qb3 (14.e4!? Bf4 15.Nb3=) 14...Na5+= 15.Qd1 Bb8 16.Rc1 Qd5 17.Rc8 Rc8 18.Qe2 h5 (18...Bd6!?+=) 19.Rc1 Rc1 20.Bc1 g5 (20...Qa2 21.Ne4 Qa1 22.Nf6 gf6 23.Qb2 Qb2 24.Bb2+=) 21.h3 Bd6 22.e4+/– Qa2 23.e5+– Qa1 24.Qf1 g4+/– 25.hg4 hg4 26.Ng5 Be5 27.de5 Qe5 ½–½. Fournier,Frederic (1660) – Marisha, Partie evaluee, 3m + 0s, 2008.

9.0-0 b6 10.Nbd2 Bb7 11.c4 Rc8 12.Rc1 Qe7 13.cd5 Nd5 14.Nc4 Bc7 15.Nce5 Ne5 16.de5 Rfd8 17.Qa4 a6 18.Qg4 (18.Ba6 Ra8 19.e4 Ba6 (19...Ra6?! 20.Qc2+=) 20.ed5 Bf1–/+) 18...b5 19.Ng5 Nb6 20.Ne4 Na4 21.Bd4 Be4 22.Qe4 Ba5 (worse is 22...Qa3 23.Qb7 Qe7 24.Rc6+/–) 23.Bd3 g6 24.Rc6 Qa3 25.Rc8 Rc8 26.Qb7 Rd8 27.Qa6 Qd3 ½–½. Godoy,Mario D – Lindegaard,Peter (1935), corr WS/H/011 ICCF, 2005.

9.0-0 Qb6 10.Qc1 Bd7 (10...Na5 11.Nbd2=) 11.Nbd2 Na5 12.Rb1 Qc7 13.c4 dc4 14.Nc4 Nc4 15.Bc4 (15.Qc4 Qc4 16.Bc4 Ba4=) 15...Bc6=+ 16.Be2 Qe7 17.Ne5 Be4 18.Bd3 (18.Ra1!? Rfc8 19.Qd1=+) 18...Be5-/+ 19.Be4 Bh2! 20.Kh2 Ne4 ½-½. UncleBulgaria (2370) - Peteboy (2315), ChessWorld.net, 2016.

9.0-0 Qb6 10.Nc3 Na5 11.Rb1 Bd7 12.Ne5 Qc7 13.f4 a6 14.Bd3 Nc4 Exerts pressure on the isolated pawn 15.Bc4 dc4 16.Nd7 Qd7 17.e4 Bc7 18.e5 Nd5 19.Nd5 Qd5 20.c3 b5 21.Qg4 f5 22.ef6 Rf6 23.Rbe1 Raf8 24.Bc1 Bd6 25.g3 a5 26.Bb2 Rg6 27.Qh4 Rff6 28.Re2 Qf5 29.Kh1?? Rh6–+ 30.Qg5 Qg5 31.fg5 Rf1 32.Kg2 Rhf6! 33.gf6 Rf6 34.Bc1 Kf7 35.Rc2 e5 36.a4 ba4 37.Ra2 ed4 38.cd4 Bb4 39.Ra4 Ke6 40.Ba3 Kd5 41.Bb4 ab4 42.Rb4 Rf7 43.Rb8 Kd4 44.Rd8 Kc3 45.Rc8 Kd3 46.Rd8 Kc2 47.Rc8 c3 48.Rc6 Kd2 49.Rd6 Kc1 50.Rb6 c2 51.Rb8 Rd7 0–1. Petrova Kalmukova,Marlen (2125) – Chilingirova,Pavlina (2245), Primorsko op, 1987. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6)

9.0-0 Bd7 10.Nbd2 Na5 11.c4 dc4 12.Nc4 Nc4 13.Bc4 Rc8 14.Qe2 Qa5 15.Ne5 Rfd8 16.f4 Be8 17.Bd3 White intends f5 17...Bf8 (17...Nd5!?=) 18.f5+/- ef5 19.Rf5 (19.Bf5?! Bb5 20.Qe1 Qe1 21.Rfe1 Rc7=) 19...Qb6 20.Raf1 Be7 21.g4 (21.Bc4 Bd6+=) 21...g6 22.R5f2 Qe6 (22...Nd5!?+/-) 23.g5 Nd5 24.Nf7 (better 24.e4!? Nc3 25.Qe3+/-) 24...Bf7+= 25.Rf7 Bg5 The pressure on e3 grows 26.e4 Nf6? (better 26...Nc3 27.Qf3 Bh6 (27...Rd4?? 28.Bc3 Be3 29.Qe3+-) 28.Bc3 Rc3+=) 27.Rb7+- Rb8?? (27...Rd7 28.d5 Qh3 29.Rd7 Nd7+-) 28.Rb8 Rb8 29.Bc4 (29.Bc4 Qc4 30.Qc4 Kh8 31.Ba1+-) 1-0. Viktorov,Alexandr G (2285) - Golovin,N (2185), Open ch-Odoyev, 2018. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 0-0 6.Be2 d5 7.Bb2 Nc6 8.d4 Bd6)

9.0-0 Bd7 10.Nbd2 a6 (10...b5!?=+) 11.c4= dc4 (11...h6 12.Qc2+=) 12.Nc4+= Be7 13.Rc1 Rc8 14.Nce5 Ne5 15.Ne5 Nd5 (15...Rc1 16.Qc1 Bb5 17.Bb5 ab5 18.Qc2=) 16.Rc8+– Qc8 17.Qb3 Rd8 18.Rc1 Qb8 (18...Qa8 19.g3+–) 19.Nd7+– Rd7 20.Ba6! b5?? (20...ba6 21.Qa4 Double attack (21.Qb8 Pinning; 21.Qb8 Deflection; 21.Qa4 Decoy)) 21.Rc8 (21.Rc8 Qc8 22.Bc8+–) 1–0. Gu2119 – Gu2395, internet, 2018.

9.0-0 Ne4 10.Nbd2 f5 11.Ne5 g5 (11...Ne5 12.de5 Be7 13.c4=) 12.Nd3 (better is 12.c4!?+/–) 12...Qc7 13.f4 b6 (13...Bd7 14.Rc1 b5 15.Qe1=) 14.g3 (14.Ne5 gf4 15.ef4 Ne5 16.fe5 Be7=) 14...Ba6= 15.Ne4 de4 16.Nc1 Be2 17.Ne2 Na5 (better is 17...gf4 18.Nf4 Bf4 19.gf4 Rf6+=) 18.c3 (better is 18.fg5 Rac8 19.c3=) 18...Nc4–/+ 19.Bc1 g4 20.Qb3 Rac8 21.Rd1 Qf7 22.Qb5 Qe7 23.a4 Rfd8 24.Qb3 Qc7 25.Rb1 Be7 26.Rf1 Rd5 27.Qa2 a6 28.Bd2 Ra5–+ 29.Ra1? b5 30.Qc2 ba4 31.Rfb1 a3 32.Rb3 Rb5 33.Rab1 Qc6 34.Nc1 Rcb8 35.Kf2 Nb2 36.Rb5 ab5 37.Qb3 Qc4 Black plans b4 38.Kg2 Bd6 39.Ra1 Kf7 40.Qa2 Nd3 Black prepares the advance b4 41.Qc2 b4 42.Rb1 Nc1 43.Qc1 b3 44.Qd1 b2 45.Qc2 a2 (45...a2 46.Kf2 a1Q–+) 0–1. Samaganova,Aleksandra (2055) – Al_Rufaye,Iman (2170), 40th Women Olympiad, 2012. (1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6)

9.0-0 Re8 10.Nbd2 Qc7 11.h3 e5 12.de5 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.Nf3 Qc7 16.Nd4 a6 17.a4 Bd7 18.Qd3 Ne4 19.c4 dc4 20.Qc4 Qc4 21.Bc4 Nd2 22.Rfc1 Rac8 23.Bd5 Rc1 24.Rc1 Ba4 25.Bb7 Bb5 26.Ra1 (26.Rd1 Nc4 27.Nb5 ab5+/–) 26...g6 (26...Rb8!? 27.Nb5 ab5+=) 27.Ba6+/– Ba6 28.Ra6 h5 29.h4 Re4 30.g3 Re7 31.Kg2 Ne4 32.Ne2 Nc5 33.Ra2 Kg7 34.Nf4 Ne6 35.Nd5 Rd7 36.Nb6 Rb7 37.Nc4 f6 38.Ra6 Nc5 39.Rc6 Nd3 40.Rd6 Nc5 41.Rd2 Ne4 42.Rc2 Rc7 43.Na3 Rc2 44.Nc2 f5 45.Nd4 Kf6 46.Kf3 Ke5 47.Ke2 Kd5 48.Nf3 Nc3 49.Ke1 Ke4 50.Ng5 Ke5 51.Kd2 Na4 52.Nh3 Nc5 53.Ng5 Na4 54.Ke2 Nc5 55.Nf3 Ke4 56.Nd2 Ke5 57.Kf3 Nd3 58.Nc4 Kd5 59.Nb6 Ke6 60.Ke2 Ne5 61.f3 Kd6 62.Na4 Kd5 63.Nc3 Kc4 64.Nd1 Kd5 65.Nf2 Ke6 66.Nd3 Nc4 67.e4 fe4 68.Nc5 Kf5 69.Ne4 Ke5 70.Nd2 Nd6 71.Nf1 Kd4 72.f4 Ke4 73.Nd2 Kf5 74.Kf3 Ke6 75.Ne4 Nb5 76.Ke3 Kf5 77.Nf2 Ke6 78.Ke4 Nd6 79.Kf3 Nf5 80.Nd1 Nd4 81.Kf2 Kf5 82.Ne3 Ke4 83.Nc4 Kf5 84.Ne5 Nb3 85.Ke3 Kf6 86.Nf3 Nc5 87.Nd4 Na4 88.Kf3 Nc5 89.g4 hg4 90.Kg4 Ne4 91.Nc2 Nf2 92.Kf3 Nd3 93.Ne3 Nc5 94.Kg4 Ne4 95.Nd5 Ke6 96.Ne3 Kf6 97.f5 (better is 97.Nc4!?+/–) 97...gf5= 98.Nf5 Nf2 99.Kf4 Nh3 100.Ke4 Kg6 (better is 100...Nf2!? 101.Kf3 Kf5=) 101.Ng3+/– Ng5 102.Kf4 (102.Ke3 Ne6+/–) 102...Ne6 103.Kg4 Ng7 ½–½. Zarko,Ivica (2030) – Simic,Marko (1905), Velika Gorica op 7th, 2007. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6 8.d4 Bd6)

9.c4 dc4 10.Bc4 Na5 11.Bd3 Qb6 (11...Bd7 12.Nbd2=) 12.Bc3 Nd5 13.0-0 Bd7 14.Nfd2 (14.Ba5!? must definitely be considered 14...Qa5 15.Nbd2=) 14...Nc3+= 15.Nc3 Rfc8 Black threatens to win material: Rc8xc3 16.Nce4 (16.Ne2 Qc7 17.Kh1 Bc6= (worse is 17...Bh2 18.Rc1 Bc6 19.f4+/–)) 16...Be7 17.Rb1 White threatens to win material: Rb1xb6 17...Qd8 18.f4 f5 19.Nf2 Rc3 Black threatens to win material: Rc3xa3 20.Nf3 Ra3 21.Ne5 White can be proud of that piece (21.Ra1 Bc6+=) 21...Rc8 (21...b6 22.e4+=) 22.Rc1 (22.e4 Ba4 23.Qh5 Be8–/+) 22...Ba4 (22...Rc1 23.Qc1 Be8 24.d5 ed5 25.Bf5–/+) 23.Qh5 (23.Rc8 Qc8 24.Qb1 Nb3–/+) 23...Be8 24.Qe2 a6 25.g4 g6 26.gf5 ef5 27.h3? Kg7 28.Kh2? Rc1 29.Rc1 Nc6 30.Nc4 Rb3 31.Qc2? Nd4–+ 32.ed4 Qd4! sealing the opponent's fate. . 33.Kg1 Bh4 34.Bf1 Qf4 35.Re1 Bc6! Mate threat 36.Ne3 Re3 (36...Re3 37.Re3 Qe3–+) 0–1. Sztercsco,Sztyepan (2185) – Demeter,Peter (2345), Presov op–A, 2002.

9.Nbd2 Qa5 10.c4 dc4 11.Bc4 b5 12.Bd3 Bb7 13.0-0 Rac8 14.Qb3 +=.

9.Nbd2 Na5 10.0-0 Bd7 11.Bc3 (11.Ne5 Ba4=) 11...b5 (11...Nc6 12.h3=+) 12.Bb4= Be8 (12...Qc7 13.Nb3 Nc4 14.Bc4 bc4 15.Bd6 Qd6 16.Nc5=) 13.c3 Nc4 14.Nb3 (14.Nc4!? bc4 15.Qc2=) 14...a5 15.Bd6 Qd6 Attacking the isolated pawn on a3 16.Nc5 (16.Bc4 bc4 17.Nbd2 Rb8=) 16...Nd7 17.Nd7 Bd7 18.Bc4 bc4 19.Nd2 Rfb8 20.e4 (20.Qc2 Rb6=+) 20...Rb2–/+ 21.e5 Qe7 22.f4 Rab8 23.g3 Qd8 24.Rf2 Qb6 25.Kg2 Qc6 (25...h6 26.Qf3–/+) 26.a4 (26.Rb1 Rb1 27.Nb1 Rb3=+) 26...Qc8 27.g4 (27.Nf1 Qb7 28.Ra2 Rb1–/+) 27...g6 (27...Qe8 28.Kg3–/+) 28.h4=+ Qf8 29.Kg3 f5 (29...Bc6 30.Qh1=+) 30.ef6 Qf6 31.Qf3 Rc2 32.Re1 (32.Qe3!? Rbb2 33.Rh2=+) 32...Rbb2–/+ (32...Ba4?! 33.Ra1 Bc6 34.Ra5=) 33.Qe3 Kg7 (33...h5!? 34.Ree2 Ba4–/+) 34.Rh1 (better 34.h5!?=+) 34…Be8 (34...Ba4?! 35.Ra1 Bc6 36.Ra5=) ½–½. Gainanov,Ramzil – Safin,Magdan, Bashkorstostan Championship SF, 2010.

9.Nbd2 b6 10.c4 (10.0-0 Qe7 11.c4 Bb7 12.cd5 ed5 13.Bd3 Rfc8 14.Qb3=) 10...Ba6 (10...Qe7 11.0-0 Rd8 12.Qc2 Bb7 13.Rfc1 Rdc8 14.c5=) 11.0-0 (11.Ne5 Be5 12.de5 Nd7 13.cd5 Be2 14.Qe2+=) 11...Rc8 12.cd5 (12.Rc1 Na5 13.cd5 Rc1 14.Bc1=) 12...Be2 13.Qe2 ed5 14.Rac1 (14.Rfc1=) 14...Qe7 15.Qb5 Na5 16.Ne5 (16.Rc3 Rfe8=) 16...Rc1 (16...Ba3 17.Ba3 Qa3 18.Rc8 Rc8 19.Nd7=) 17.Rc1= Ba3 18.Ba3 Qa3 19.Rc7 Qa2 20.Nef3 (better is 20.Qb1!? Qb1 21.Nb1=) 20...Nc4–/+ 21.Qb4 a5 22.Qb3 (22.Qc3 b5–/+) 22...Qb3–+ 23.Nb3 Ra8 24.Kf1 h6 25.Ne5 (25.Ke2 a4 26.Nc1 Ra5–+) 25...b5 (25...a4!? 26.Na1 Ne5 27.de5–+) 26.Ke2 Ne4 (26...a4 27.Nc1–+) 27.f3 (27.Nc5 Ne5 28.de5 a4–+) 27...Ned6 (27...Nc3 28.Kd3 Nd1 29.e4–+) 28.Nc6 b4 (28...Kf8 29.Nc5–+) 29.Ne7–/+ Kh7 30.Nd5 a4 31.Nc1 (31.Nd2 Nd2 32.Kd2 b3–+) 31...b3 32.Nc3 Ne5 0–1. Curado,Manuel Joao Ferro (1920) – Senlle Caride,Miguel (2235), 7th Torneio Internacional da Figueira d, 2010.

9.Nbd2 Re8 10.c4= dc4 (10...Qc7 11.Rc1=) 11.Nc4+= Bc7 (11...Be7 12.0-0=) 12.0-0 a6 (12...Bd7 13.Qb3+=) 13.Nfe5 (13.Nce5 Bd7+=) 13...Ne5 (13...Ne7 14.a4+=) 14.de5 Nd5 15.Nd6 Re7 16.Qd2 (16.e4 Nf4 17.Bf3 Rd7+=) 16...Rd7 (16...Bd6 17.ed6 Re8+–) 17.Rfd1+= Ne7 (17...b5 18.Bf3+=) 18.a4 (18.Qb4 Nd5 19.Qg4 Qf8+–) 18...Nf5+= 19.Ba3 Rb8 20.Bf3 Attacking the backward pawn on b7 (20.Rab1 Nd6 21.ed6 Ba5+–) 20...f6 (better 20...Qg5!?+=) 21.Bd5 ed5 22.Qd5 Kh8 23.Nf7 (23.Nf7 Kg8 24.Nd8 Rd5 25.Rd5 Be5 26.Rad1+–) 1–0. pcmvr – pushtiu, net–chess.com, 2017.

9.0-0 a6 10.c4 dc4 11.Bc4 b5 12.Bd3 Bb7 13.Nbd2 Na5 14.Qc2 (14.Qe2 Qd6=) 14...Rc8+= 15.Qb1 h6 16.Rc1 Qb6 17.Qa2 Rc1 18.Rc1 Rc8 19.Rc8 Bc8 20.h3 Bb7 21.Qb1 Bd5 22.Qc2 Qc6 23.Qc6 Bc6 24.Ne5 Be8 25.f3 Nc6 26.Nc6 Bc6 27.e4 Nd7 28.Nb3 f5 29.ef5+/– ef5 30.Bf5 Bf6 31.Be4 Be4 32.fe4 Kf7 33.Kf2 Ke6 34.Ke3 Nb6 35.Kd3 Nc4 36.Bc1 g5? 37.g4 Be7 38.a4! ba4 39.Kc4 ab3 40.Kb3 Kd6?? 41.Ba3 Ke6 42.Be7 Ke7 43.Ka4 (43.Ka4 Ke8 44.Ka5+–) 1–0. Fournier,Frederic (2150) – legrosdavid (1835), Active, 2005.

9.Nbd2 b6 10.0-0 Bb7 11.Bd3 Rc8 12.Qe2 Qc7 13.e4 Na5 14.e5 Ne4 15.Nb3 (worse is 15.Ne4 de4 16.Be4 Be4 17.Qe4 Qc2 18.Qc2 Rc2–/+) 15...Nc4 16.Bc1 Qd8 17.Ne1 f5 18.ef6 Rf6 19.Qg4 Qd7 20.Nf3 ½–½. Rogers,Jonathan (2340) – Hulmes,David I (2205), BCF–chT2, 2004. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 0-0 7.Be2 Nc6)

9.Nbd2 Bd7 10.c4 dc4 11.Nc4 Nd5 12.0-0 Rc8 13.Nce5 Ne5 14.Ne5 Bf6 15.Nd7 Qd7 16.Bf3 Nb6 17.a4 Nc4 18.Bc3?? (better 18.Qe2=) 18...Ne3!-+ 19.fe3 Rc3 20.Qd2 (20.Re1-+) 20...Rfc8?? (20...Re3 21.Rfd1 (21.Qe3?? Bd4 22.Qd4 Qd4 23.Kh1 b6-+) 21...Rb3 22.Ra2-+) 21.Ra2? (better 21.Rac1!? R3c7 22.Rc7 Rc7 23.Rc1-/+) 21...Bg5 22.Re1 Qc7 23.Kh1 (23.a5 e5-+) 23...Rc1 (23...Re3!? 24.Re3 Qc1 25.Qe1 Be3 26.Ra1 Qe1 27.Re1 Bd4 28.Bb7-+) 24.Ra1 Ra1 25.Ra1 b6 26.Qa2?? (better 26.h3-+) 26…Qc1 (26...Qc1 27.Bd1 Qe3-+) 0-1. carlos78 (2310) - Pastelarium (2245), Rated Blitz game, lichess.org, 2015.

9.Nbd2 Ne4 10.Ne4 de4 11.Nd2 f5 12.0-0 Ba3?? (better 12...Bd7=) 13.Ba3 b6 (13...Rf6+-) 14.Be7 (better 14.Bf8 Qf8 15.f3 ef3 16.Bf3+-) 14...Na5?? (14...Qe7 15.Qc1=+) 15.Qc1 (better 15.Bd8 Rd8 16.Nc4 Nc4 17.Bc4+-) 15...Qe7= 16.Qd1 (16.Qa3 Qd7=) 16...Rf7 17.Qe1 f4 (better 17...Bb7=+) 18.d5?? (better 18.Ne4!? Bb7 19.f3=) 18...Nb7?? (better 18...ed5!? 19.ef4 Rf4-+) 19.c4 (19.Ne4 ed5 20.Nc3 fe3 21.Nd5 Qc5 22.Ne3 Nd6=) 19...b5 (better 19...Nc5 20.ef4 Rf4-/+) 20.Bd3?? (better 20.ef4 Nc5 21.Ra5=) 20...Nd8 (20...ed3 21.ef4 ed5 22.cb5-+) 21.Nb3?? (better 21.Be4 Bb7 22.ef4 bc4 23.de6 (23.Nc4?! ed5 24.Bd3 dc4 25.Bc4 Kh8=) 23...Qe6 24.Bb7 Qe1 25.Rfe1 Nb7 26.Nc4 Rf4 27.Nb6+=) 21...ed5 (better 21...ed3 22.Qc3 f3 23.Qd3 bc4 24.Qc4 ed5-+) 22.Nc5 (22.Bc2 bc4 (worse 22...dc4 23.Nd2-+) 23.Nd4 f3-+) 22...Bg4 (22...Qc5 23.Bc2-+) 23.Na4 (23.cd5 ed3 (23...Qc5?! 24.Be4 fe3 25.Qe3 Qe3 26.fe3-+) 24.Nd3 f3-+) 23...Nb7 (better 23...ed3 24.Nb6 Be2 25.Nd5-+) 24.ef4 d4 (better 24...ba4 25.Bc2 Rc8 26.Ra4 Nd6-+ (worse 26...Rf4 27.Qd2 e3 28.Qe3 Qe3 29.fe3 Rf1 30.Kf1-+)) 25.Qe3?? (25.Qe4 Qe4 (25...ba4?? 26.Qh7 Kf8 27.Qh8) 26.Be4 ba4-/+) 25...a6 (25...de3 26.Bc2 ef2 27.Kf2 Rf4 28.Kg1 Rf1 29.Rf1 ba4 30.h3 Qc5 31.Kh2 Qc4 32.Rc1-+) 26.Rab1?? (better 26.Qe4 Qe4 27.Be4 ba4 28.Rfb1-+) 26...ba4 (better 26...de3 27.Bc2 ef2 28.Rf2 ba4-+) 27.Qe1 (27.Qe4 g6 28.Rfe1 Qd7-+) 27...Nd8 (better 27...ed3 28.f3 Bc8-+) 28.Qd1 (28.Be4 Rc8 29.Ra1-+) 28...Rb8 (better 28...Bd1 29.Re1 Rf4 30.Rbd1-+) 29.Qb3?? (better 29.Qg4 Rb1 30.Bb1-+) 29...a5 (better 29...Rb3 30.Bc2 Rb1 31.Bb1-+) 30.Qb5 (30.Qb8 ed3 31.f3-+) 30...Qa3 (30...Rb5 31.cb5 ed3 32.f3 Qe3 33.Kh1 Rf4 34.Rb2-+) 31.Qb4?? (better 31.Qb8 Qd3 32.Qd8 Rf8 33.Qd5 Kh8 34.Rfe1+/-) 31...Qa2 (31...ab4 32.Be4 Rf4 33.f3-+) 32.Rbe1?? (32.Qb8 Rf8 33.Be4 Qc4+-) 32...e3 (better 32...ab4 33.Re4 Nc6 34.Ree1-+) 33.Qb5?? (better 33.Qb8 Rf8 34.fe3+-) 33...Re7 (33...Rb5 34.Ra1 ef2 35.Kh1 Qa1 36.Ra1 Rb3 37.Rf1 Rd3 38.h3 Rd1 39.Kh2 Rf1 40.Kg3 Re7 41.c5 Re3 42.Kh4 Rfe1 43.f5 f1Q 44.f6 Qf4 45.f7 Nf7 46.hg4 Rh1) 34.Qf5 (34.Qf5 ef2 35.Kh1 Bf5 36.Re7 Bd3 37.Rg7 Kg7 38.h3 Bf1 39.Kh2 Bc4 40.f5 f1Q 41.f6 Kf6 42.Kg3 Qag2 43.Kh4 Qh3). carlos78 (2205) - Daikai (2000), Rated Blitz game, lichess.org, 2015.

8.0-0 Bb7 9.d4 Bd6 10.c4 0-0 11.Nc3 Na5 12.cd5 Bd5 13.Nd5 ed5 14.Bc3 Nc4 15.a4 (15.Qb3 Rc8=) 15...Rc8 16.Qb3 Re8 17.Rfc1 Ne4 18.Be1 Qf6 (18...Ng5 A) worse 19.Bc4 A1) 19...Rc4?! 20.Ng5 (worse 20.Rc4 Nf3 21.gf3 Qg5 22.Kf1 dc4 23.Qc4 Bh2=+) 20...Rc1 21.Rc1 Qg5 22.Qb5=; A2) worse 19...dc4 20.Qd1=+; A3) 19...Nf3 20.gf3 dc4 21.Rc4 Qh4-/+; B) 19.Qb5 h6 B1) worse 20.Bc4 B11) worse 20...dc4 21.Nd2+= (worse 21.Rc4 Rc4 22.Qc4 Nf3 23.gf3 Qh4=+); B12) 20...Nf3 21.gf3 Qg5 22.Kh1 dc4=; B2) 20.g3+=) 19.Bc4 dc4 20.Rc4 Rcd8 21.Rac1 Qh6 22.Rc6 Ng5 23.Ng5 Qg5 24.h3 h6 25.Qb5 Re6 (25...Qe7 26.a5+/-) 26.Qg5+- hg5 27.d5 (better 27.R1c4!?+-) 27...Re5+/- 28.Rd1 Be7 (28...Bc5!?+/-) 29.Rc7 (29.d6 f5+-) 29...Bf6 (29...Bc5 30.Ra7 Red5 31.Rd5 Rd5 32.Kf1+-) 30.Ra7 (30.d6!? Re6 31.d7 a5+-) 30...Red5 31.Rd5 Rd5 32.Kf1 Rd3 33.Ke2 Rb3 34.Ra6 Rb2 35.Kf3 g6?? (better 35...Kh7+/-) 36.a5+- ba5 (36...Rb1 37.Rb6 Re1 38.Rf6 Kf8+-) 37.Rf6 Rb1 38.Ba5 Rb5 39.Bc3 Rc5 40.Bd4 Rd5 41.Rc6 f5 (41...Kf8+-) 42.Rg6 Kf7 43.Rg5 Ke6 44.h4 Kf7 (44...Rb5 45.h5 Rb1 46.Kf4+-) 45.Kf4 Rd6 46.Rf5 Kg6 (46...Ke8 47.g4+-) 47.g4 Kh7 48.h5 (48.Rf8 Kh6 49.Kf5 Rd5 50.Ke6 Rd6 51.Kd6 Kg6 52.f4 Kh7 53.f5 Kh6 54.Rh8) 48...Re6 49.g5 (49.Rf8 Re4 50.Ke4 Kh6 51.f4 Kh7 52.Rh8) 49...Kg8+- 50.g6 (50.Rb5 Re8 51.g6 Rf8 52.Kg5 Rc8 53.h6 Kf8 54.Rb7 Rc1 55.h7 Rg1 56.Kf5 Rg5 57.Kg5 Ke8 58.h8Q) 50...Rg6 51.Rg5 (51.Rg5 Rg5 52.Kg5 Kf8 53.h6 Kg8 54.e4 Kf7 55.h7 Ke8 56.h8Q Kd7 57.Qh3 Kc6 58.Qe6 Kb5 59.Qb3 Kc6 60.Qb6 Kd7 61.Qb7 Ke8 62.Kf6 Kd8 63.Bb6 Ke8 64.Qe7) 1-0. black_bishop_88 (2505) - lakilive (2385), Ukrainian Bullet League, lichess.org, 2020. (=1.a3 e6 2.b4 d5 3.Bb2 Nf6 4.Nf3 c5 5.bc5 Bc5 6.e3 Nc6 7.Be2)

8.0-0 Bb7 9.d4 Bd6 10.c4 Na5 11.Nbd2 (11.cd5 ed5 12.Ne5 0-0=) 11...Rc8 (11...dc4 12.Nc4 Nc4 13.Bc4=) 12.Rc1 Qe7 (12...dc4 13.Nc4 Nc4 14.Bc4=) 13.h3 (better 13.cd5 Rc1 14.Qc1 Bd5 15.Bd3+=) 13...Ba3?? (13...dc4 14.Nc4 Nc4 15.Qa4 Nd7 16.Rc4 Rc4 17.Qc4=) 14.Ba3?? (better 14.Qa4 Bc6 15.Qa3 dc4 16.Qa2+-) 14...Qa3=+ 15.cd5 Nd5 (15...Rc1 16.Qc1 Qc1 17.Rc1 Nd5 18.e4=) 16.Rc8= Bc8 17.Nc4 (17.Bb5 Ke7=) 17...Nc4=+ 18.Bc4 0-0 19.Bd5 ed5 20.Qa1 (20.Qb1 Qe7=+) 20...Qa1-/+ 21.Ra1 a5 (21...a6!?-/+) 22.Rb1=+ Be6 23.Rb6 Ra8 24.Rb2 a4 25.Ra2 Kf8 26.Nd2 Ke7 27.Nb1 Kd6 28.Na3 Kc6 29.Rc2 Kb6 30.Rc5 (30.Rb2 Ka5=+) 30...Rc8-/+ 31.Rb5 Ka6 32.Kh2 (better 32.Rb4!? Bd7 33.g4-/+) 32...Rc3-+ 33.Rb8?? (better 33.Nb1 Kb5 34.Nc3 Kb4 35.Na4 Ka4 36.Kg3-+) 33...Ra3 34.Rg8 (34.Kg3 Rb3 35.Ra8 Kb5-+) 34...g6 (34...Kb7 35.Rg7 Rb3 36.f4-+) 35.Ra8 Kb5 36.Rb8 (36.Kg3 Ra2-+) 36...Kc4 37.Kg3 (37.Ra8 Ra1-+) 37...Ra1 (37...Rb3 38.Ra8 a3 39.f3-+) 38.f3 (38.Kf4 a3 39.Ra8 Kd3-+) 38...a3 39.Ra8 a2 40.h4 h5 41.Kf4 Kb3 (41...Bd7 42.Ra7-+) 42.Rb8 Kc2 43.Ra8 Bf5 44.e4 Be6 45.Ra7 Kd3 (better 45...Kb2 46.Rb7 Kc3 47.Ke5-+) 46.ed5 (46.Ke5 de4 47.Ra3 Kc2 48.fe4-+) 46...Bd5 47.Ke5 Be6 (better 47...Bb3 48.Kf6 Re1 49.d5 Bd5 50.Ra3 Kd2 51.Ra7-+) 48.Ra3 (48.d5 Re1 49.Kd6 Bd5 50.Kd5-+) 48...Kc4 49.Ra4 Kb5 50.Ra3 Re1 51.Kf6 a1Q (51...a1Q 52.Ra1 Ra1-+) 0-1. amirgloo (1920) - sobo135 (1940), lichess.org, 2020.

8.0-0 Bb7 9.d4 Bd6 10.c4 dc4 11.Bc4 0-0 12.Bd3=.

8.0-0 0-0 9.Ra2 =.

8.0-0 Qc7 9.c4 dc4 10.Bc4 a6 (10...Be7 11.Nc3=) 11.Qc2 (11.Bf6 gf6 12.d4+=) 11...h5 (11...Be7!?=) 12.Ba6 (12.Be6 Be6 13.Qc5 Bg4+/–) 12...Be3 13.de3 ba6 14.Ne5 (better is 14.Nbd2!?+/–) 14...Ng4= 15.Ng4 (15.Nf3 Nf6 16.Bf6 gf6 17.Nbd2+/–) 15...hg4–/+ 16.g3?? (better is 16.f4 gf3 17.gf3–/+) 16...Nd4!!–+ 17.Qc7 (17.Bd4 Qc2 Discovered attack; 17.ed4 Qc2 Discovered attack) 17…Nf3 0–1. Hal1958 – Marceli, playchess.de, 2005.

8.0-0 h6 9.d4 Be7 10.c4 a6 11.Nc3 Rc8 12.Ne5 0-0 13.cd5 ed5 14.Nd7 Qd7 15.Bf3 Rfd8 16.Qd2 Bd6 17.g3 Ne7 18.Rfc1= Qe6 19.Na4 Nd7 20.Qa5 Nf6 21.Qb6 Qd7 22.Qb3 b5 23.Nc5 Bc5 24.dc5 Qc6 25.Rc2 Ne4 26.Rac1 Ng6 27.a4 ba4 28.Qb6 Qb5 29.Be2+= Qb6 30.cb6 Rc2 31.Rc2 Rb8 32.Bd4 Nd6? 33.Rc6 Nb5 34.Bb5 ab5 35.Rc7 Nf8=+ 36.Ra7 Ne6–+ 37.b7 Nd8?? 38.Ra8+= Nc6?? 39.Ba7 (39...a3 40.Bb8+–) 1–0. doremi – ANZARBOND (1610), internet, 2007.

8.Nc3 0-0 9.d4 Bb6 10.Qd2 Bd7 11.Bb5 a6 12.Bc6 Bc6 13.0-0 Rac8 14.Qd3 Ba5 15.Rfc1 Rc7 16.a4=+ Rfc8 17.Ne2 Be8 18.Nd2 Bd2 19.Qd2=+ b5 20.a5 Qg6 21.Nf4= Qf5 22.Nd3 f6 23.Nb4 Bg6 24.Qe1 Ra7 25.Ra3= Qg5 26.Rc3 Rc4 27.Rc4 dc4 28.f3 h5 29.Rd1 h4 30.d5 h3= 31.g3 Qf5 32.Qf2+= ed5 33.e4+/– Qd7 34.Rd5 Qc7+= 35.Nc6 Ra8 36.Qb6 Qf7 37.Rd6 c3 38.Qc5 Qf8 39.Nb4 Bf7 40.Qc7 Qc8 41.Qc8 Rc8 42.Ra6 Rc4 43.Nd5 b4 44.Rb6+– Rd4 45.a6 Rd1 46.Kf2 Rd2 47.Ke3 Rh2?? 48.a7 Rc2 49.a8Q Kh7 50.Qa1 h2 51.Qf1 Rb2 52.Qh3 Kg6 53.Nf4 Kg5 54.Qh4 1–0. huimre (2695) – vitorluiz (2350), net–chess.com, 2006.

8.d4 Bb6 9.c4 dc4 (9...0-0 10.Nbd2+=) 10.Bc4 (10.Nbd2 c3 11.Ne4 Qg6 12.Nc3 0-0=) 10...0-0 (10...e5 11.Nc3 ed4 12.Nd5+=) 11.0-0= Bd7 (11...e5 12.Nc3=) 12.Nbd2 Rfd8 (12...Qe7 13.Bd3+=) 13.Bd3+= e5 (13...Rab8+=) 14.Ne5 (better is 14.d5!? Na5 15.Qb1+/–) 14...Ne5= 15.de5 Qe5 16.Nc4 Qg5 (16...Qf6 17.Nb6 ab6 18.Qb1=) 17.Qb1 Qh5 (17...g6 18.Nb6 ab6 19.Be4+=) 18.Nb6+= ab6 19.Be4 Bc6 20.Bc6 bc6 21.Qb6 c5 22.Rac1 Rac8 (22...Rdb8 23.Qd6+/–) 23.e4 (23.a4 Qd5+/–) 23...h6 (23...Rd4 24.Qb7 Rdd8 25.Qb5+=) 24.a4+/– Qe5 25.a5 Qe4 26.Rc5 Rb8 27.Qc7 Re8 28.Rc4 Qe2 29.Rc2 Qe6 30.Rc6 Qe4 31.h3 Rb5+/– 32.Rc5 Rb2 33.a6+– Ra2 34.a7?? Qe2?? 35.Ra5?? Rc2+= 36.Qc2 Qc2 37.a8Q Ra8 38.Ra8 Kh7 39.Rfa1 Kg6 40.R8a2 Qc4 41.g4 Qe4 42.Ra5 Kh7 ½–½. Rosner,Dirk – Nittschalk, Tigerschachclub, 1999.

7.d4 Bd6 8.Nbd2 Qa5 9.Bd3 Bb5 10.0-0 Qb6 11.Qe2 Bd3 12.Qd3 Qb2?? (Better is 12...Nc6=) 13.Rfb1+– 1–0. Lebel,Patrick – Ogden,Kimberly, corr or03–032, 2003.

8.Bc4 b5 9.d4 =.

8.Bc4 Nc6 9.0-0 Be7 10.d4 Rc8 11.Nbd2 0-0 12.Qb3 (better is 12.Bd3!?=) 12...Na5+= 13.Qa2 Nc4 14.Nc4 Bc6 15.Ncd2 Qb6 16.Rab1 Rfd8 (16...Bd5 17.Qa1–/+) 17.Qa1 Nd5 (17...Qa6 18.Rbc1+=) 18.Bc3 Qc7 19.Rfc1 Bd6 20.Ne5 (20.Ne4!?=) 20...Be5–/+ 21.de5 Ne3?? (better is 21...Nc3 22.Qc3 Qd7–/+) 22.fe3+/– Qe7 23.Bd4 Qg5 24.g3 Rd7 25.Nf1 (25.Ne4 Qh5 26.Nd6 Rcd8 27.Ba7 Qf3+/–) 25...Qf5 (25...b6 26.Rb2+/–) 26.Qa2 Qe4 27.Rc6 Rc6+= 28.Qg2?? Qb1–+ 29.h4 Rc1 30.a4 Rdc7 31.Ba7 R7c2 32.Qf3 Qa2 33.Qb7 Rf1! 34.Kf1 Qa1 (34...Qa1 35.Qb1 Qb1; 34...Rc1) 0–1. Fournier,Frederic (1970) – MadreTCalcuta (1985), Active (4/0), 2004.

8.d4 Bd6 9.Nbd2 0-0 10.c5 (10.Bd3 b6=) 10...Bc7 11.Bd3 Ba5 (11...b6 12.0-0=) 12.0-0+= Ne7 (12...Qe7 13.e4+=) 13.Ne5 Be8 (13...Nc6 14.Ndf3+=) 14.f4 (14.Rb1 Nc6+=) 14...a6 (14...Nf5 15.Qe2+=) 15.Rf3 (15.Ndf3 Ne4+=) 15...b6 (15...Bb5 16.Bc2+=) 16.Rh3 h6 17.Ndf3 (17.Rc1 bc5 18.dc5 Rb8+=) 17...bc5 18.dc5 Rb8 (18...Qc7 19.c6=) 19.Bd4+= Bb5 20.Bc2 (20.Bc2 Ne4 21.Ng5+=). Pommerel,Wim H – Bultje, CiF, 1986.

8.d4 Be7 9.Nbd2 Rc8 10.Bd3 Na5 11.cd5 ed5 12.Ne5 b5 13.Nd7 (13.a4 Nc4 14.Bc1 a6=) 13...Qd7 14.Qf3 (14.Qb1 Rc7=) 14...g6 15.e4 (15.Bc1 Nc4=) 15...Nc4 (15...de4 16.Ne4 Ne4 17.Qe4=) 16.Bc4= bc4 (worse is 16...dc4 17.d5 Qd8 18.Rb1+=) 17.e5 Nh5 18.0-0 Ng7 (18...0-0 19.Rfe1=) 19.Bc3 (19.Rfe1 0-0=) 19...Ne6 (19...f6 20.ef6 0-0 21.Bb4 Rf6 22.Qc3+=) 20.Qg3 0-0 21.Rfb1 Rfe8 22.a4 (22.Nf3 f6=) 22...Rb8 (22...f6 23.Nf3=) 23.a5 Bg5 24.Nf3 Bf4 25.Qh4 Rb3 (25...Rb3 26.Rb3 cb3+=). Schulz,Hans_Juergen – Baer,Werner, TT–10.15 ETC, 2003.

8.Nbd2 Nc6 9.c4 dc4 10.Bc4 0-0 11.0-0 Rc8 12.Bd3 Qe7 13.Rc1 Nd5 14.Bb1 g6 15.Nc4 Na5 16.Nb6 Nb6 17.Ne5 f6 18.Ng4 Nd5 19.e4 Nb6 20.e5 fe5 21.de5 Nd5 22.Be4 Bc6 23.Bd5 Bd5 24.Nf6 Kg7 25.Rc8 Rc8 26.Qd2 Nc6 27.Bc1 Rh8 28.Qh6 Kf7 29.Nd5 ed5 30.Bb2 Ne5 31.Qf4 Qf6 32.Qe5 Qe5 33.Be5 Re8 34.f4 b6 35.Rc1 Ke6 36.Rc7 Re7 37.Rc6 Kf5 38.Kf2 Ke4 39.Ke2 d4 40.Rd6 Re5 41.fe5 Ke5 42.Rd7 1-0. carlos78 (2405) - piwot3 (2015), Rated Blitz game, lichess.org.

8.Bd3 Nc6 9.0-0 g6 10.Nbd2 0-0 11.c4 Nh5 12.cd5 ed5 13.Qc2 f5 14.Rac1 Rc8 15.Qb1 Nf6 16.Ne5 Ne5 17.de5 Ne4 18.Ne4 (18.Be4 fe4 19.Qa2+/–) 18...de4? (18...fe4 19.Be4 de4 20.Qa2 Kg7 21.e6 Kh6 22.Rcd1+/– (worse is 22.ed7 Qd7 23.Rc8 Rc8+=)) 19.Be2 (19.Qa2!? Kg7 20.e6 Kh6 21.ed7 Rc1 22.Rc1 ed3+–) 19...Rc1 (19...Be6 20.Rc8 Qc8 21.Bd4+=) 20.Rc1 (20.Qa2 Kg7 21.e6 Kh6 22.Rc1 Bc6+/–) 20...Qe7 21.Bc4 Be6 22.Qa2 Bc4 23.Qc4 Qf7?? 24.Qf7 Rf7 25.Rc8 Rf8 26.Rf8 Kf8 27.Bd4 Ke7? 28.Bb6+/– ab6 29.Kf1 Ke6= 30.Ke2 Ke5–/+ 31.Kd2 Kd5 32.Kc3 Kc5 33.a4? g5 34.f3 h5 35.fe4 fe4 36.g3 g4 37.Kb3 b5 38.ab5 Kb5 39.Kc3 Kc5 40.Kb3 b5 41.Kc3 b4 42.Kb3 Kb5 43.Kc2 Kc4 44.Kd2 b3 45.Kc1 Kc3 46.Kb1 b2 47.Ka2 Kc2 (47...Kc2 48.Ka3 b1Q 49.Ka4 Qb6 50.h3 Kc3 51.hg4 Qb4) 0–1. Fournier,Frederic (1655) – michloun (1660), Active, 2006.

7.Nc3 0-0 8.d4 Be7 9.Be2 Nb6 10.a4 Bd7 11.a5 Nc8 12.0-0 Nd6 13.Ne5 Rc8 14.Bd3 b5 15.Qe1 a6 16.f3 b4 17.Na2+= Nc4 18.Bc4 dc4 19.Nb4 Bb4 20.Qb4 Nd5 21.Qe1 Bb5 22.c3 f6 23.Ng4 h5 24.Nf2 Re8 25.Qd2 Ne7 26.Ba3 Nc6 27.Ne4 Na5 28.Qf2 Nb3 29.Ra2 Rc6 30.Qg3 e5 31.Qg6 ed4 32.ed4 h4 33.Re2 Ree6?? 34.d5!+– (34...Re4 35.Re4+– (< 35.Qe4 Qb6 36.Kh1 Rc8+–)) 1–0. Worthington,John – Michaud,Gerald (1860), IECG, 2000.

7.c4 0-0 (--> 6.Nf3 0-0 7.c4 Nbd7).

7.c4 a6 8.d4 Bd6 9.Nbd2 b6 10.Bd3 Bb7 11.0-0 0-0 12.Qb1 Rc8 13.a4 Bb8 14.Rc1 Re8 15.e4 de4= 16.Ne4 Be4 17.Be4 Ne4 18.Qe4 Nf6 19.Qh4 Nd7 20.Qe4 Nf6 21.Qe2 Bf4 22.Rc2 a5 23.g3 Bd6 24.Rac1 Bb4 25.Ne5 Qe7 26.Qf3 Rc7 27.Nc6 Qd6 28.Nb4 ab4 29.Qb3 Ra8 30.c5+= bc5 31.dc5 Qc6 32.Bf6 gf6 33.Qb4 Ra4 34.Qc3 Kg7 35.Rd2 h5 36.Rd4 Rd4 37.Qd4+= Rd7 38.Qe3 Rd5 39.Qf3 h4 40.Qg4 Rg5 41.Qh4 Rc5 42.Qg4 Kf8?? 43.Qb4+– (43...Kg7 44.Rc5+–) 1–0. Adam,Stefan – Kliesch,Bernd Walter, corr DDR–ch11, 1982.

7.d3 Qb6 8.Qc1 Ng4 (8...Bd6 9.Nbd2+=) 9.d4 (9.Bg7!? Rg8 10.Bb2+/–) 9...Bd6 10.h3 Ngf6 11.c4 dc4 12.Bc4 Qa5 13.Nbd2 e5 (13...0-0 14.Bc3 Qd8 15.Bb4+=) 14.Bc3 Qc7 15.de5 Ne5 (worse is 15...Be5 16.Bf7 Kf7 17.Be5 Qc1 18.Rc1+–) 16.Be5 Be5 17.Ne5 Qe5 18.Nf3 Qa5 19.Qd2 Qd2 ½–½. Haisma,Henk (1650) – Rowe,Oliver, Guernsey Holiday op, 2005.

7.d4 Qb6 8.Ra2 Be7 =.

7.Be2 Qb6 8.Qc1 0-0 9.0-0 Ne4 10.d3 Nef6 11.Nbd2 Ng4 12.Bd4 Bd4 13.Nd4 Ndf6 14.N4f3 Ne3 15.fe3 (better is 15.Rb1!? Nf1 16.Rb6 Nd2 17.Rb5 Nf3 18.Bf3=) 15...Qe3–/+ 16.Rf2 Ng4 17.Qe1 Bd7 18.h3 Nf2 19.Qf2 Qf2 20.Kf2 Rac8 21.Rc1 Rc3 22.Nb1 Rc7 23.Ne5 Ba4 The backward pawn on c2 becomes a target 24.c4 Rfc8 25.Nc3 Be8 26.Rb1 a6 27.Na2 f6 28.Nf3 dc4 29.dc4 e5 30.Nb4 Bf7 Exerts pressure on the isolated pawn 31.Nd5 Bd5 32.cd5 Rd8 33.Rd1 Rc5 34.d6 Rc6–+ 35.Rb1 b5 36.a4 ba4 37.Ra1 Rdd6 38.Ra4 Kf7 39.Nh4 g6 40.Nf3 Ke6 41.Ne1 f5 42.Nd3 e4 43.Nb4 Rb6 44.Na6 Rb2 45.Nc5 Kf6 46.Ra6 Ra6 47.Na6 f4 48.Nc5 e3 49.Kf3–/+ g5 50.Ne4 Kf5 51.g4 Kg6 52.Bd3 h6?? 53.Nc5?? Kf6–+ 54.Nd7?? Ke7 55.Ne5 Rf2 56.Ke4 e2 (56...e2 57.Ng6 Kf6 58.Be2 Re2 59.Kf3 Re3 60.Kf2 Kg6–+) 0–1. Fournier,Frederic – Quiniou,Jean, Simultanee Senlis FRA, 1999.

7.Be2 Qc7 8.0-0 0-0 9.d3 (9.a4 a6 10.d4 Bd6 11.Nbd2 e5 12.de5 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.Nf3 Qc7; 9.d4 Be7 10.Nc3 a6 11.a4 b6 12.Ba3 Ba3 13.Ra3 Bb7 14.h3 h6 15.Qd2 Rac8; 9.Re1 Bd6 10.a4 a6 11.a5 Bb4 12.Bc3 Be7 13.Bb2 h6 14.c4 Bd6 15.cd5 ed5) 9...a6 10.Nbd2 e5 11.c4 e4 12.de4 de4 13.Nd4 Ne5 14.N4b3 Be6 (14...Bd6!?=) 15.Nc5+= Qc5 Increasing the pressure on the isolated pawn on c4 16.Bc3 (16.Qc2 Rfe8+=) 16...Rac8 (better is 16...Rfd8!?=) 17.Bb4+/– Qc6 18.Bf8 Kf8 19.Rc1 Bg4 20.Bg4 Neg4 21.h3 Ne5 22.f3 Nd3 (22...ef3 23.Nf3 (23.gf3?! Qe6=) 23...Qc5 24.Qb3 Nc4 25.Qb7+/–) 23.Rc2 Nd5? (23...Qc5 24.Ne4 Qe3 25.Kh1+–) 24.cd5 (better is 24.Ne4!? Ne5 25.Qd2 (25.cd5?! Qc2 26.Nd6 Rc7+/–) 25...Nc4 26.Rc4 Qc4 27.Nd6+–) 24...Qc2+/– 25.Ne4 Ne5 26.Qc2 (26.Nd6 Qd1 27.Rd1 Rc3 28.Nb7 Re3+–) 26...Rc2 27.Rd1 Ra2 28.d6 Ke8 29.Nc5 White intends d7 29...Ra3 30.d7 Nd7 31.Rd7?? (better is 31.Nd7 a5 32.e4+–) 31...b6–/+ 32.Rd3 Ra1 33.Kf2 bc5 34.Rc3 Ra5 35.e4 f6 36.Ke3 Rb5 37.Kd3 a5 (better is 37...Kd7!?–/+) 38.Kc4= Rb8 39.Ra3 Rc8 (better is 39...Rb2=) 40.Ra5+/– Kf7 41.Rc5 Rc5 42.Kc5+– Ke6 43.f4 g5 44.g3 h5 45.h4 gf4 46.gf4 f5 47.e5 Kd7 48.Kd5 Ke7 49.Kc6 Ke6 50.Kc5 Kd7 51.Kd5 Ke7 52.e6 Kf6 53.Kd6 1–0. mr5reasons1 (1830) – gmatko, gameknot.com, 2013.

7.Be2 Qc7 8.d4 Bd6 9.Nbd2 b5 10.a4 b4 11.a5 0-0 12.Bd3 Bb7 13.Nb3 a6 14.Qe2 Rfe8 15.h3 Ne4 16.Rc1 f5 17.Nfd2 Ndf6 18.Be4 fe4 19.c4 bc3 20.Rc3 Bc6 21.0-0 Bb5–/+ 22.Qd1 Qf7 23.Re1 Rf8 24.Nc5 Nd7 25.f4 ef3 26.Nf3 Bg3 27.Nd7 Qd7 28.Ba3 Rf3 29.gf3=+ Qd8 30.Qc1 Qg5?? 31.Rc8 Kf7 32.Ra8= Be1 33.Kh1+/– Qg3 34.Ra7 Kg6 35.Qc2 Kf6?? 36.Be7 (36...Kf7 37.Bh4 Kf8 38.Qc5 Qd6 39.Qd6 Kg8 40.Qd8 Be8 41.Qe8#) 1–0. Kool,Gerard – Lares,Harald, OSW, 2000.

7.Be2 Bd6 8.c4 dc4 9.Bc4 Nb6 (9...a6 10.d4=) 10.Bd3= 0-0 11.Nc3 e5 12.0-0 Bg4 13.h3 Bd7 14.Ne4 Bf5 15.Nd6 Bd3 16.Be5 (16.Nb7? Qd5 17.Re1 Nbd7–+ (17...Qb7?! 18.Ne5 Ba6 19.Rb1–+)) 16...Bf1 17.Qf1 Ne8 18.Nf5 f6 19.Bf4 Nd5 20.Bg3 Qd7 21.Qd3 Rf7 (21...Rd8 22.Rc1+=) 22.e4+– Nb6 23.N3d4 Kh8 24.Rc1 (24.Qb3!?+–) 24...Rc8= 25.Rb1 Nc4 26.Rb4 Ncd6 27.Ne3 Re7 28.Ne2 Qc6 e4 becomes the focus of attention 29.Nc3 b6 (29...Qa6 30.Qd4=) 30.Rd4+= Re6 31.f3 b5 32.f4 (32.a4 a6+=) 32...Nc4= 33.f5 Re7 34.a4 a6 35.ab5 ab5 36.Bf4 Ne3 37.Be3 Rb7 38.Rd5 Increasing the pressure on the isolated pawn on b5 38...Nc7 (38...Qc4 39.Qc4 bc4 40.Kf2=) 39.Rc5+= Qe8 40.e5 fe5 41.Qe4 Rbb8 42.Re5 Qg8 43.Bd4 Rf8 44.Rc5 Ne8 45.Qf4 (worse 45.Rb5 Nd6 46.f6 gf6 47.Rb8 Ne4 48.Ne4 Kg7 49.Nf6 Qc4 50.Ne8 Kg8 51.Nf6 Kf7 52.Rf8 Kf8 53.Nh7 Ke7=+) 45...Nf6 46.Ne4 Ne4 47.Qe4 1–0. JeChristi – TheTzar, internet, 2019.

8.Ba4 0-0 9.0-0 (9.Bb3 Qc7 10.Nc3 b5 11.0-0 Bd6 12.Qe2 Bb7 13.Rab1 Ne4–/+) 9...b5 10.Bb3 Bb7 (10...Bd6 11.a4 b4 12.c3 Rb8 13.cb4 Bb4+=) 11.Nc3 Bc6 (11...Qc7 12.Re1 Bd6 13.Ne2 Rac8–/+) 12.Ne2 Be7 (12...Qc7 13.Nfd4 Bb7+=) 13.Ne5 (13.Ned4 Bb7=) 13...Ne5 14.Be5 Nd7 15.Bb2 f5?? (better is 15...Bd6+=) 16.d4 1–0. algernon (2580) – mrrook (2255), net–chess.com, 2014.

8.Ba4 b5 9.Bb3 0-0 10.Nc3 Nb6 11.d3 Qe7 12.0-0 Bd6 13.e4 de4+=.

8.Ba4 b5 9.Bb3 Qb6 10.0-0 Bb7 11.d4 Bd6 12.Nbd2 Qc7 13.Rc1 Ne4 14.Ne4 de4 15.Ne5 Ne5 (15...Be5?! 16.de5 0-0 17.c4+=) 16.de5 Be5 17.Be5 Qe5 18.c4 0-0 19.cb5 ab5 20.Qc2 (better 20.Qd7!? Ra3 21.Be6 fe6 22.Qb7-/+) 20...Ra3-+ 21.Ra1?? (better 21.Rfd1-+) 21…Ra1 0-1. bazilishek (1665) - abekabek (1665), lichess.org, 2020.

8.Ba4 b5 9.d4 Qa5 10.Bc3 Qa4 11.dc5 Nc5 12.Bf6 gf6 13.Nc3 Qc4–/+.

8.Bd3 A) 8...0-0 9.Be2 (9.0-0 Qc7 10.Nc3 b5 11.Ra2 e5 12.Bf5 Bd6 13.Nh4 Nb6–/+) 9...Bd6 10.Nc3 e5 11.a4 Qc7 12.Ba3 d4 13.ed4 ed4+=; B) 8...Qc7 9.Nc3 (9.0-0 0-0 10.Nc3 b5 11.Ra2 e5 12.Bf5 Bd6 13.Nh4 Nb6–/+) 9...0-0 10.0-0 b5 11.Ra2 e5 12.Bf5 Bd6 13.Nh4 Nb6–/+.

8.Bd7 A) 8...Bd7 9.Be5 (9.0-0 0-0 10.Be5 b6 11.Nd4 Ne8 12.Nb3 f6 13.Bg3 Be7+=) 9...0-0 10.0-0 b6 11.Nd4 Ne8 12.Nb3 f6 13.Bg3 Be7+=; B) 8...Nd7 9.Bg7 (9.Nc3 0-0 10.0-0 b5 11.Qe2 Nb6 12.Rfb1 f6 13.Nd1 Qc7+=) 9...Rg8 10.Bd4 Rg2 11.Bc5 Nc5 12.Rg1 Rg1 13.Ng1 Ne4+=.

8.Be2 A) 8...b5 9.0-0 (9.a4 b4 10.Ra2 0-0 11.0-0 Qc7 12.d4 Bd6 13.c3 Ng4+=) 9...0-0 10.a4 ba4 11.Nc3 Bd6 12.Ba3 Ba3 13.Ra3 e5=; B) 8...0-0 9.0-0 (9.Nc3 b5 10.0-0 Bd6 11.Nd4 e5 12.Nf5 Bb8 13.f4 ef4+=) 9...Bd6 10.Bc3 Qe7 11.a4 e5 12.a5 Re8 13.d4 e4+=.

8.Bf1 A) 8...0-0 9.Be2 (9.Nc3 b5 10.Be2 Bd6 11.0-0 e5 12.h3 Nb6 13.d3 Qc7–/+) 9...Qc7 10.0-0 b6 11.Nc3 Bd6 12.a4 e5 13.Ba3 d4+=; B) 8...Bd6 9.Bd3 (9.Be2 0-0 10.Nc3 b5 11.0-0 e5 12.h3 Nb6 13.d3 Qc7–/+) 9...e5 10.Bf5 Qc7 11.Nc3 Nb6 12.Bc8 Rc8 13.d3 0-0–/+.

8.cd5 ed5 9.Nc3 0-0 10.d4 Bd6 11.Bd3 Qc7 (11...a6 12.Qb3=) 12.Rc1+= Qd8 13.0-0 Bb7 14.Nb5 Be7 15.Ne5 a6 16.Nd7 Qd7 17.Nc3 (better is 17.Rc7!? Qd8 18.Rb7 ab5 19.Qb3+/–) 17...Rac8 18.Qd2 (18.Qf3 Qd6+=) 18...Bd6 19.h3 Rfe8 20.Qe2 Ne4 (20...b5 21.Rc2+=) 21.Ne4+= de4 22.Ba6 Ba6 23.Qa6 Rc6? (better is 23...b5!?+=) 24.Rc6+– Qc6 25.Rc1 Qa8 (25...Qd7 26.Qb6 Rd8 27.d5+–) 26.Qa8 Ra8 27.Rc6 Bf8 28.Rb6 f5 29.g3 Ba3+/– 30.Ba3 Ra3 31.Kg2 Kf7 32.g4 g6 33.gf5 gf5 34.Rh6 Kg7 35.Rb6 Ra7 36.Kg3+– Rf7 37.Kf4 Rf6 38.Rf6 Kf6 39.h4 h5 40.d5 Kg6 41.Ke5 Kf7 42.d6 1–0. Fournier,Frederic – koske, Active, 2007.

8.cd5 ed5 9.d4 Be7 10.Nc3 Bb7 11.Bd3 Rc8 12.0-0 0-0 13.Qb3 Attacking the isolated pawn on d5 13...a6 14.a4 Nb8 15.Ba3 Nc6 16.Be7 Ne7 17.Rfc1 Nc6 (17...Re8!?+/–) 18.Rab1+– Na5 19.Qb6 Qb6 20.Rb6 Rc7 21.Ne2 (21.Ba6 Ba6 22.Ra6 Nb3+–) 21...Nc4 (21...Rc1 22.Nc1 Nd7 23.Rd6+–) 22.Ne5 Rfc8 23.Bc4 dc4 24.Nc3 Nd5? (better is 24...Kf8+/–) 25.Rb7!+– Rb7 26.Nd5 c3 27.Kf1 (27.Nc3?! Rc3 28.Rd1 f6+=) 27...c2 28.Ke2 Kf8 29.Kd2 Rb2 30.Nd7 Ke8 31.Nc5 1–0. Fournier,Frederic (1990) – Catao (2015), queenalice.com (Defi), 2007.

8.Qc2 dc4 9.Bc4 0-0 10.0-0 Qd6 11.d4 Bb6 12.Nbd2 Rd8 13.Bd3 Nf8 (13...Qd5!?+=) 14.Nc4+/– Qe7 15.Nb6 ab6 16.Ne5 Bd7 17.Nd7 N8d7 18.Rfc1 Qe8 19.e4 Nf8 (19...e5!? 20.d5 Nc5+/–) 20.Qb3+– Qa4 21.Qb6 Qa7 22.Qb3 N6d7 23.Rc7 Rab8 24.Rac1 e5 (24...Ng6+–) 25.Bc4 (25.de5 Ne6 26.R7c3 Ne5+=) 25...ed4 26.Bf7 Kh8 27.Qb4 Ne5 28.Bd5 Nd3 (28...Ned7+–) 29.Bd4 Nb4 1–0. Fournier,Frederic (2580) – Muso (2305), Active (5/5), 2004.

8.Qc2 Qc7 9.cd5 ed5 10.Bd3 h6 11.Bb5 0-0 12.h4 Bd6 (12...a6 13.Bd7 Nd7 14.d4 Bb4 15.Kd1 Qc2 16.Kc2=) 13.Qc7+= Bc7 14.0-0 a6 15.Ba4 Ne4 16.Bb3 Ndf6 17.d3 Nc5 18.Ba2 Nd3 19.Bf6 gf6 20.Bd5 Ne5 21.Nbd2 Rb8 22.Rab1 Attacks the backward pawn on b7 22...Rd8 23.Ba2 Ba5 24.Nb3 Nf3 25.gf3 Bc7 26.Kg2 Kh8 27.Nc5 b6 28.Ne4 Rg8 29.Kh1 Bb7 30.Bf7 Rg7 31.Bh5 f5 32.Nf6?? Bd8?? 33.Ne8= Rd7 34.Bg6 Bf3–/+ 35.Kh2 Bh4 36.Bf5 Rd2 37.Kg1?? Re8 38.Rb6 Rg8 39.Bg6 Be4 40.Ra6 Rg6 41.Rg6 Bg6 0–1. Shields,B – Herzog,M, Plymouth ch–MI op, 1984. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.Bb2 d5 6.e3 Nbd7)

8.Bc4 b6 9.0-0 Bb7 10.Nc3 0-0 11.Na4 Rc8 12.Nc5= Rc5 13.Be2 Qa8 14.a4 Rfc8 15.Ne1 h6 16.f4 Ne4 17.Bd4 R5c7 18.Bf3 Nef6 19.Nd3 Bf3=+ 20.Rf3 Ne4 21.Ne1 Qd5=+ 22.Rh3 Kh7 23.d3 Nd6 24.Nf3 Rc2 25.e4 Qa5 26.Ne1 R2c7 27.g4 Qb4 28.Nf3 g6 29.g5 h5= 30.Rb1 Qa3 31.Ne1 Kg8 32.Rh5?? e5?? 33.Bb2= Qc5 34.d4 Qc2?? 35.Nc2+– gh5 36.de5 Ne4 37.e6 (37...fe6 38.Qh5+–; 37.Nd4 Ndc5+–) 1–0. Margraf,A – Renhauser, Innsbruck, 1993.

8.Bc4 b6 9.0-0 Bb7 10.d3 0-0 =.

8.Bc4 b6 9.0-0 Bb7 10.d4 Bd6 11.Nbd2 0-0 12.Qb3 Qe7 13.Bd3 e5= 14.de5 Ne5 15.Ne5 Be5 16.Be5 Qe5 17.Qb5 Qe7 18.Nf3 Rfd8 19.Be2 Rac8 20.Qb4 Rc5 21.Nd4 (21.Rac1 Ne4=+) 21...Nd5 22.Qd2 Nc3 23.Bf3?? (better 23.Bd3=+) 23...Bf3–+ 24.gf3 (24.Rae1 Qb7 25.Nf3 Rd2 26.Nd2 Qa6–+) 24...Qh4 25.f4 Rd4! 26.ed4 (26.Qd4 Qg4 Mate attack; 26.ed4 Qg4 Combination) 26...Qg4 27.Kh1 Qf3 28.Kg1 Rc6 (28...Rc6 29.f5 Ne2 30.Qe2 Qe2–+) 0–1. Oblin,Pierre (1800) – Alok Sinha (2270), 37th Metz Open, 2019.

8.Bc4 b6 9.Nc3 Bb7 =.

8.Bc4 Nb6 9.Bb3 0-0 10.Nc3 Nbd5 11.0-0 b6 12.e4 Nf4?? 13.e5 N6d5= 14.Bd5 Nd5=+ 15.Nd5 Qd5 16.d4 Be7 17.Qd3 Bb7 18.Rac1 f6 19.Rfd1 Rad8 20.Qc4? Qc4–+ 21.Rc4 Bf3 22.gf3 fe5 23.Kg2 Bf6 24.Rc7 Rf7 25.Rc6 ed4 26.Re6 d3 27.Bc1 Bc3 28.Be3 Rc7 29.Bd2 Bd2 30.Rd2 Rc2 31.Rd1? d2 32.Re2 h6 33.f4 Kf7 34.Kf3 Rd3 35.Ke4 Ra3 36.Red2 Rd2 37.Rd2 Ke7 38.f5 Rc3 39.f4 Rc7 40.Kf3 b5 41.Rd5 Rb7 42.Ke3 a6 43.h4 b4 44.Kd3 Rd7 45.Rd7 Kd7 46.Kc4 a5 47.h5 Ke7 48.Kb3 Kf6 0–1. wlittle (2280) – danielmarcolino (2400), net–chess.com, 2004.

8.Bc4 Nb6 9.Bb5 Bd7 10.d4 Bb5 11.dc5 Qd1 12.Kd1 =+.

8.Bc4 Nb6 9.Bb5 Bd7 10.Bf6 Qf6 11.Bd7 Nd7 12.d4 =.

8.Bc4 Nb6 9.Be2 Bd7 10.Nc3 Bc6 (10...0-0 11.d4 Bd6 12.e4=) 11.d4 (11.Ne5 Rc8+=) 11...Be7 (11...Bd6 12.Ne5=) 12.0-0 (12.Ne5 0-0 13.Nc6 bc6+=) 12...0-0 13.Ne5 Nbd5 14.Nc6 bc6 15.Na4 Qa5 16.Qc2 Rfc8 17.Rfc1 Rab8 18.Rab1 Ne4 19.Qe4 Qa4 20.Bd1 Qa6 21.Bc2 Nf6 22.Qd3 Qd3=+ 23.Bd3 Rb2 24.Rb2 Ba3 25.Rbc2 Bc1=+ 26.Rc1 Kf8 27.Ra1 Ra8 28.Ba6 Rb8 29.Bf1 Rb7 30.Ba6 Rc7 31.Rc1 Nd7 32.Bb5=+ Nb8 33.g3 Ke7 34.Kf1 Kd6–/+ 35.Bd3 h6 36.Ra1 c5 37.dc5 Kc5 38.Rc1 Kd6 39.Ra1 Nc6 40.Bb5 Rb7 41.Ba6 Rb6 42.h4 Nb4 43.Be2 a6 44.Ra4 Kc5 45.Ra5 Kc6 46.Ra4 Kb7 47.Bf3 Nc6 48.Rc4 a5 49.Ra4 Ra6 50.Be2 Ra7 51.Bf3 Kb6 52.Be2 Nb4 53.Ra3 a4 54.Bd1=+ Kb5 55.Be2 Kc5 56.Bd1 ½–½. Sebald,Ralph – Pakmor,Ruediger, GER–chT U15 Bonn, 1996.

9.0-0 a6 10.Qc2 Ba7 11.Bf6 Nf6 12.d4 b5 13.Bd3 h6 14.Nbd2 Bb7 15.Rfc1 Rc8 16.Qb2 Nd5 17.Rc8 Qc8 18.Rc1 Qd8 19.Ne4 Qb6 20.Nc5 Bc6 21.Ne5 Rc8 22.Be4 f6? (22...Bb8!?+=) 23.Nc6 (better is 23.Ne6 fe5 24.Bd5+–) 23...Rc6+/– 24.Bd5 ed5 25.g3 Qc7 26.Qb4 Bc5 27.dc5 Kf7 28.a4 ba4 29.Qa4 Rc5 30.Rc5 Qc5 31.Qa6 Qc4 32.Qb7 Kg6 33.Qd7 Qe4 34.h3 Qb1 35.Kh2 Qa2 36.Qg4 Kf7 37.Qf3 Qc4 38.Kg2 Qe4 39.g4 Qf3 40.Kf3 Ke6 41.h4 Ke5 42.h5 f5 43.Kg3 Ke4 44.gf5 Kf5 45.f4 (better is 45.Kh4!?=) 45...Ke4–/+ 46.Kf2 Kf5 (46...d4!? 47.ed4 Kf4+=) 47.Kf3= g6 48.hg6 Kg6 49.e4?? (49.Kg4 h5 50.Kh4 Kf5=) 49...de4?? (49...d4 50.e5 h5–+) 50.Ke4= h5 51.f5 Kf6 52.Kf4 h4 53.Kg4 h3 54.Kh3 Kf5 ½–½. orangutandu – abv456, 2013.

9.0-0 a6 10.d4 Bd6 11.Nbd2 b5 12.Bd3 Bb7 13.e4 Bf4 14.Re1 White prepares e5 14...Re8 15.g3 Bh6 16.e5 Nd5 17.Ne4 Nf8 18.Nd6 Re7 19.Be4 (19.Qe2 Rb8+=) 19...Bc6 20.g4 (20.Qd3 f5 21.Bd5 Bd5=) 20...Bf4 (20...Rc7 21.Qc2=) 21.Bc1 Ng6 (21...Nc3!? 22.Qc2 Be4 23.Ne4 Bc1 24.Rac1 Ne4 25.Re4 Rd7+=) 22.Bf4+= Ngf4 23.Rc1 (23.Qc2 h6+=) 23...Rc7= 24.Qd2 Raa7 (24...f6 25.Rc5 Nh3 26.Kh1+=) 25.Rc5+= h6 26.Rec1 Bd7 27.Kf1 Rc5 28.Rc5 g5 (28...f6!?+=) 29.h4+/– Nb6 (29...f6 30.Ke1+/–) 30.Qa5 h5? (better is 30...f5 31.gf5 ef5 32.Nf5 Bf5 33.Bf5 Ra8+–) 31.Qc3 (better is 31.Ng5 Nfd5 32.Bd5 ed5 33.Ngf7 Qh4 34.Nh6 (34.Qb6?! Qh1 35.Ke2 Bg4 36.Kd3 Qf3 37.Kc2 Qd1 38.Kc3 Qa1 39.Kd3 Qd1 40.Kc3 Qa1 41.Kd3 Qd1 42.Kc3=) 34...Kf8 35.Qb6+–) 31...Na4= 32.Qc2 0–1. Macedo,A Soares De (1845) – Nunes,Marcelo B (2070), Joao Pessoa BRA, 5th Open, 2014.

9.0-0 b6 10.d4 Be7 11.Nc3 Bb7 12.Qe2 Qb8 13.Rac1 Bd6 14.e4 Bf4 15.Rc2 Rd8 16.g3 Bh6 17.Bc1 Bc1 18.Rfc1 Nf8 19.Bd3 Rc8 20.Ba6 Ne8 21.Bb5 a6 22.Bd3 b5 23.d5 (23.e5 Qa7+=) 23...ed5 24.Nd5 Qd6 25.Rc8 Rc8 26.Rc8 Bc8 27.Qc2 Bd7 (27...Bg4!? 28.Nd4 Qa3–/+) 28.Qc3= Be6 29.Nb4 Qb6 30.Nc6 Qc7 31.Qc5 Qd6 32.Qd6 Nd6 33.Ng5 g6 34.Ne6 Ne6 (worse is 34...fe6 35.Nb8 a5 36.Nc6+=) 35.Nb8 Nc5 36.Bf1 (better is 36.e5!? Nc4 37.Bc4 bc4 38.Kf1+=) 36...Nde4–+ 37.Bg2 f5 38.f4 Kf7 39.Be4 fe4 (39...Ne4?! 40.Na6 Ke7 41.Nb4+=) 40.Kf2 Ke6 41.Nc6 Kd5 42.Nb4 Kc4 43.Ke2? (43.Ke3 a5 44.Nc6 a4–+) 43...a5 (43...Kb3 44.Ke3 Ka3 45.Nd5–+) 44.Nc2 (44.Nc6 a4 45.Ke3 Nd3 46.Ke4 b4 47.Nb4 Nb4–+) 44...Kc3 45.Ne3 b4 46.Nd5 Kb3 (better is 46...Kc4!? 47.Ne3 Kd4 48.ab4 ab4 49.Nc2 Kc3 50.Ne3–+) 47.ab4 ab4 48.Nf6? (48.Kd2–+) 48...Kc2 49.Nh7 (49.Nh7 b3 50.Ke3–+) 1–0. Haisma,Henk (1660) – Kershaw,Graham J (1640), Guernsey Holiday op, 2006.

9.0-0 Nb6 10.Bb3 Bd7 11.d4 Be7 12.Nbd2 Rc8 13.e4 Bc6 14.Re1 Qc7 15.Rc1 Qf4 Can e4 get defended? 16.Bc2 h5 17.Ne5 Ng4 18.Ndf3 Rfd8 19.g3 Qh6 20.Nc6 Rc6 21.Bd3 g6 22.Rc6 bc6 23.h3 Nf6 24.Ne5 Rc8 25.Qf3 Qf8 26.Ba6 Rc7 27.Rc1 Qe8 (27...Na4!? 28.Ba1 Ne8+–) 28.Bb5! Nfd7 (28...cb5 29.Rc7 Pinning (29.Rc7 Deflection)) 29.Bc6?? (better is 29.Nc6 Bd6 30.e5+–) 29...Ne5–+ 30.Qf4 (30.Be8?? Nf3 31.Kg2 Rc1 32.Bc1 Nd4–+) 30...Nc6?? (30...Rc6 31.Qe5 Rc1 32.Bc1–+) 31.d5?? (better is 31.Qc7 Na5 32.d5+/–) 31...e5!–+ 32.Be5 Qd7 33.g4?? hg4 34.hg4?? Bd6 35.Qg5?? Ba3 36.f4?? Qe7 37.Qe7 Be7?? 38.g5?? a5 (38...a5 39.Bc7 Nd4+/–) 0–1. Gladkikh,Ivan (2165) – Priklonsky,Elektron, RUS–ch Seniors, 2004. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 e6 4.a3 c5 5.bc5 Bc5 6.e3 Nbd7 7.c4 dc4 8.Bc4 0-0)

9.d4 Bd6 10.0-0 b6 11.Qb3 Qe7 12.Nbd2 Bb7 13.Rfc1 Rfc8 14.Bd3 Rc1 15.Rc1 Qd8 16.e4+= Be7 17.Kf1 a6 18.Rc3 b5 19.Qc2 h6 20.Kg1 Qb6 21.h3 a5 22.Rb3 b4 23.ab4 a4 24.Ra3 Bb4 25.Ra2 Bc6 26.Nc4 Qb7 27.Nfd2 Rb8 28.Bc3 Bc3=+ 29.Qc3 Ne4 30.Ne4 Be4–/+ 31.Nd6? Qd5 32.Ne4? Qa2–+ (33.Qe1 Qb3–+) 0–1. Kreuzer,Uwe – Merten,Rainer, corr SOK–96–113, 1996.

9.d4 Bd6 10.Nbd2 a6 (10...Nb6 11.0-0=) 11.a4+= b6 12.e4 Bb4 13.0-0 Bb7 14.Qe2 (14.Re1 Qe7+=) 14...Re8 (14...Qc7 15.Rfc1 Qf4 16.Bd3+=) 15.Bd3 Nf8 (15...Qe7 16.Rfc1+=) 16.Rfd1 (16.g3 Qe7+/–) 16...Ng6 (16...Qe7 17.Rdc1+/–) 17.g3 Nd7 (17...h6 18.Rac1+/–) 18.Bc4 (18.Ba3 Ba3 19.Ra3 f5+/–) 18...Qe7 19.h4 (19.Rdc1 Rec8+/–) 19...Nf6+= 20.Bd3 Rec8 21.Nc4 (21.Rdc1+=) 21...Nd7 (21...Qd8!?+=) 22.h5+/– Ngf8 23.h6 (23.e5+/–) 23...g6 (23...gh6 24.Nh2 b5 25.Ne3+/–) 24.Bc1 (24.Qe3 b5 25.Nce5 Ne5 26.Ne5 ba4 27.Ra4 a5+–) 24...Bc6 (24...b5 25.Ne3+/–) 25.Qb2 (25.Bf4 f6+–) 25...f6 26.Bd2 Bd2 27.Nfd2 b5 28.Na5 ba4 29.Nc6 Rc6 30.d5 Rb6 31.Qa2 Ne5 32.Nc4+/– Rb3 33.Ne5+– fe5 34.Qa4 Rab8 35.Bc4 Rb2? 36.de6 Kh8 37.Qa3 Qf6 38.Qe3 R2b4?? 39.Bd5 R4b6 40.Qd3 Ne6 41.Ra6 Nd4 42.Rb6+– Qb6 43.Kg2 Qf6? 44.f4 g5 45.fe5 Rb2= 46.Rd2 Rd2 47.Qd2 Qf3 48.Kh2 Qh5 ½–½. Steffens,Olaf (2305) – De Andres Gonalons,Fernando (2105), Pyramiden Franken Cup 1st, 1998.

9.d4 Bd6 10.Bd3 b5 11.e4 Bf4 12.Nc3 Rb8 13.Qc2+= g6 14.Bb5+/– Qa5 15.Bd3 Ba6 16.Ba6 Qa6 17.e5 Nd5 18.Nd5 ed5 19.Bc1 Rfc8 20.Qe2 Rc1 21.Rc1 Qa5 22.Nd2 Rb2 23.0-0 Qd2 24.Qg4+= Qd4 25.Qd7 Bc1 26.Qd8 Kg7 27.Qf6 Kg8 28.Rc1 Qc3 29.Qd8 Kg7 30.Qg5 Re2 31.Qf6 Kg8 32.Qd8 Kg7 33.Qf6 (33.Rc3?? Re1#) ½–½. Barr,Epstein – Garavito,Miguel Angel, Havana Capablanca Memorial, 1998.

9.d4 Be7 10.Nc3 (10.0-0) 10...Nb6 11.Bd3 Bd7 12.0-0 Bc6 13.a4 Nbd5 14.Ne5 Nc3 15.Bc3 Be4 16.Ng4 Bd3 17.Nf6 Bf6 18.Qd3 Rc8 19.Bb4 Be7 20.Be7 Qe7 21.Rac1 Rc7 22.Qb5 g6 23.Rc7 Qc7 24.Rb1 b6 25.d5 ed5 26.Qd5 Rd8 27.Qa2 Qc3 28.Qa1 Qd2 29.g3 Qe2 30.Rc1 a6 31.Kg2 b5 32.Rc7 Qd3 33.Qa2 Qe4 34.f3 Qd5 35.Qd5 Rd5 36.ab5 Rd2 37.Kh3 ab5 ½–½. Montag,Wilfrid Franz – Walz,H, FRG–ch M corr, 1989. (=1.Nf3 d5 2.b4 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Bb2 Nbd7 7.c4 dc4 8.Bc4 0-0)

8.c4 Ba5 9.Nbd2 Nb6 (9...0-0 10.cd5 Nd5 11.Bd3=) 10.c5+= Nc4 11.Bc4 dc4 12.Qa4 Bd7 13.Qc4 Ne4 14.Qc2 Bc6 15.0-0 Nf6 (15...Nd2 16.Nd2 0-0 17.Nc4+/–) 16.Ne5 Bd5 17.e4 Bd2 18.ed5 (18.Qd2?! Ne4 19.Qd3 0-0=) 18...Bh6 19.Qa4 Kf8 20.de6 fe6 21.Qb3 Nd5? (better is 21...Qd5 22.Qb4 Kg8+–) 22.Qb7 Nc7 (22...Qe8 23.Rfe1 Rc8+–) 23.Qf3 Qf6 24.Nd7 (24.Nd7 Kf7 25.Nf6 gf6 26.Qh5 Kg7 27.Bc1 Bc1 28.Rfc1+–) 1–0. Fournier,Frederic (1895) – Vujicic,Jerzdimir (1680), Ch Club, 2011.

8.Nbd2 0-0 9.c4 dc4 10.Bc4 Bc7 11.0-0 b6 12.Qe2 Bb7 13.Rfc1 Rc8 14.Bd3 Re8 15.a4 Nf8 16.Bb5 N8d7 17.Ba3 Bb8 18.Rd1 (18.Rc8 Qc8 19.Rc1 Qd8+=) 18...Bc6 (18...Nd5 19.Qf1=) 19.Bd3 (19.Rac1 Bb7+=) 19...Bb7 (19...Ba4 20.Rdc1=+) 20.Bb5 Nd5 21.Qd3 Nc3 (better 21...Rc3 22.Qf1 N5f6=) 22.Rdb1?? (22.Rdc1 Nb5 23.Rc8 Qc8 24.ab5 a5=) 22...Nb5 (better 22...Nb1 23.Rb1 h6-/+) 23.ab5= Nf6 24.Bb4 (24.e4 Qd7=) 24...Qd5 (better 24...e5 25.Qf1 e4=+) 25.Kf1 (25.Re1 Qd7=) 25...Ng4 (better 25...e5!? 26.Qa3 e4-+) 26.h3 (26.e4 Qh5 27.h3 Nf6=) 26...Nh2=+ 27.Nh2 (27.Kg1!? e5 28.Ne1=) 27...Qg2-/+ (27...Bh2 28.e4 (worse 28.Ra7 Qg2 29.Ke1 Bb8-/+) 28...Qh5 29.Ra7+/-) 28.Ke2 Qh2 29.Rh1?? (29.e4 f5-+) 29...Qc7 (better 29...Bh1 30.e4 Bg2-+) 30.Rag1? (30.e4 Qd7-/+) 30...g6?? (better 30...Bh1 31.Rh1 Red8-+) 31.f3 Qc2 (better 31...Red8-/+) 32.Rb1?? (32.Qc2 Rc2 33.Rc1 Rb2-/+) 32...Qd3 (better 32...Bf3 33.Kf3 Qd3-+) 33.Kd3-/+ h5 (33...a5 34.Bc3-/+) 34.Rhf1 (34.e4 Red8-/+) 34...Red8 (34...a5 35.Bc3 f6-/+) 35.f4 (35.Rfc1!?-/+) 35...Bg2 (35...a5 36.Be7 Re8 37.Bf6-+) 36.Rg1 (36.Rfc1 Bh3 37.Be7 Re8-/+) 36...Bh3 37.Rh1 (37.Be7 Rd7 38.Rbc1 Rc1 39.Rc1 Re7 40.Rc8 Kg7 41.Rb8 h4-+) 37...Bg4 38.Rhg1 (38.Be7 Re8 39.Bf6 Bd6=) 38...Bd6 (38...e5 39.fe5 Be5 40.Rbc1-+) 39.Bc3 (39.Bd6 Rd6 40.e4 Rcd8-+) 39...Rc7 (39...e5 40.fe5 Be5 41.Rb4-+) 40.Ne4 (40.Bb4 Bc5-+) 40...Be7 (40...Bf5 41.Bb4-+) 41.Bd2 (41.Nf2 Bf3-+) 41...Bf5 42.Ra1 (42.Bb4 Bb4 43.Rb4 Rdc8-+) 42...Rdc8 43.Ra2 Be4 (43...e5!? 44.fe5 Be6 45.Rb2 Bc4 46.Kc2 Bb5 47.Nc3-+) 44.Ke4 Rc2 45.Rc2 (45.Rga1 Ra2 46.Ra2 Rc7-+) 45...Rc2 46.Be1? (46.Kd3 Ra2 47.Rc1-+) 46...Rb2 47.Bc3 Rb5 48.Ra1 a5 49.Kd3 Bf6 (49...h4 50.Ke4-+) 50.Bd2 (50.e4 h4-+) 50...Rb3 (50...h4 51.Bc3-+) 51.Ke2 (51.Kc2 a4! 52.Ra4-+) 51...Kg7 52.Rc1 (52.Be1 h4-+) 52...a4 53.Rc6 (53.Ra1 b5-+) 53...a3 54.Rc1 a2 (54...b5 55.Ra1-+) 55.Ra1 Ra3 56.Bb4 (56.Bc1 Ra8-+) 56...Ra4 (56...Ra8 57.Kf3-+) 57.Bc3 b5 58.Kd2 b4 (58...h4!? 59.Bb2-+) 59.Bb2 1-0. Dino_Jarach (1855) - chessmarket (1935), lichess.org, 2019.

8.c4 0-0 9.c5 Bb8 (9...Bc7 10.Nc3=) 10.Qc2 (10.Nc3 Ne4=) 10...Qc7 (10...Ne4 11.Nc3=) 11.Nc3 (11.Be2 Ne4+=) 11...a6 (11...b6 12.cb6 Qb6 13.Na4=) 12.Be2 (12.Bd3 b6 13.Na4 bc5 14.dc5 Bb7+=) 12...b6 13.cb6 Nb6 14.Rc1 (14.Rb1 Nc4=) 14...Bb7 15.Ne5 Rc8 16.Bd3 (16.0-0 Nfd7 17.f4 f6=) 16...Qd6 (16...Nc4 17.Bc4 dc4 18.0-0+=) 17.f4 (17.0-0 Ba7=) 17...Qe7= 18.0-0 Bd6 19.a4 (19.Qb3 Nc4 20.Bc4 dc4 21.Nc4 Ng4=) 19...Nc4 20.Bc4 dc4 21.Rf2 (21.Qe2 Qc7=) 21...Be5 (21...Rab8 22.Qe2+=) 22.fe5= Ng4 23.Re2 Rab8 (23...f5 24.h3 Nh6 25.Ra1=) 24.h3 Nh6 25.e4 f6 26.ef6+= Qf6 27.d5 Qe7 28.Rf1 Qc5 29.Kh1 ed5= 30.ed5 Rf8 31.Ref2 Rf2= 32.Rf2 Rf8 33.Rf8 Qf8 34.Qe4 Bc8? 35.Qc4+– Kh8 36.d6! Nf5 37.Kh2?? Qd6= 38.Kg1 Be6 39.Qe2 Ng3 (39...Ng3 40.Qe3 a5=) 0–1. Plock,Joerg (1710) – Boguslawski,Semjon (1900), Landesliga Ost1, 2003.

8.c4 b6 9.cd5 ed5 10.Bd3 0-0 11.Nc3 Bb7 12.0-0 Ne4 13.Rc1 Rc8 14.Qb3 Attacking the isolated pawn on d5 14...Ndf6 15.Rc2 Re8 16.Rfc1 Qe7 17.Nd1 (17.Ne5 Red8+=) 17...h6 18.Rc8 Rc8 19.Rc8 Bc8 20.Ne5 Bb7 21.f3 Ng5 22.a4 Be5 23.de5 Nd7 24.a5 Nc5 (worse is 24...Ne5 25.Be5 Qe5 26.f4+/–) 25.Qa3 Qd7 26.Be2 Nge6 27.ab6 ab6 28.Nf2 Qa4 29.Qa4 Na4 30.Ba3 d4 31.ed4 Nd4 32.Bf1 b5 33.Nd1 ½–½. Fournier,Frederic (2235) – Shalom,Ami (2040), Chess.com (Team), 2013.

8.c4 b6 9.cd5 Nd5 10.Nbd2 Bb7 11.e4 Nc7 12.Nc4 Be7 13.Bd3 0-0 14.0-0 Nf6 15.Re1 Rc8 16.Nce5 Nd7 17.Nd7 Qd7 18.Ne5 Qd8 19.Qg4 Bf6 20.Qg3 Be5 21.Qe5 f6 22.Qg3 Qd7 23.Rac1 Rfd8 24.Qg4 e5 (better is 24...Bc6!?+=) 25.Bc4 Kh8 (25...Kf8 26.Qd7 Rd7 27.de5+–) 26.Qd7 Rd7 27.de5 fe5 28.Be5 Re8 29.Bg3 Rde7 30.f3 b5 31.Bd3 Ne6 32.Bb5 Rd8 33.Red1 Rd1 34.Rd1 h6 35.Bd6 Rf7 36.Be8 Rf6 37.Be7 Rf4 38.Rd6 Bc8 39.Rc6 Bb7 40.Re6 Kg8 41.Bg6 (41.Bg6 Rf6 42.Bf6 gf6 43.Bh5+–) 1–0. Jaeger,Erich (2015) – Kuhne,Rainer (2000), BdF OS–063 remoteschach.de, 2007.

8.c4 Qb6 9.Qd2 Ne4 10.Qc2 =+.

8.c4 dc4 9.Bc4= b6 10.Nbd2 Bb7 11.0-0 0-0 12.Rc1 Qe7 13.Qb3 Rac8 14.Bd3 e5 15.Rc8 Rc8 16.Bc4 e4 17.Ne5 Be5 18.de5 Ne5 19.Be5 Qe5 20.Bf7 Kh8 21.h3 Ba6 22.Rd1 Be2 23.Re1 (23.Qe6 Qe6 24.Be6 Rd8= (24...Bd1?! 25.Bc8 Bc2 26.Be6=)) ½–½. Fournier,Frederic – Woelfelschneider,Peter, TT–06 TSC, 2003.

8.c4 dc4 9.Bc4 Qc7 10.Nbd2+– 0-0 11.0-0 b6 12.Qb3 Bb7 13.Rfc1 Qd8 (13...Qb8!?+=) 14.Be6+– Bh2 15.Nh2 fe6 16.Qe6 Kh8 17.Nhf3 h6 (17...Nd5 18.a4+–) 18.Nc4 (18.Qh3 Rc8+–) 18...Bf3 19.gf3 Ng8 20.f4 Rf6 21.Qe4 Nf8 (21...Ne7 22.Kf1+–) 22.Ne5 (better 22.Kh2+–) 22...Qe8? (better 22...Ne7+–) 23.Rc7 Ng6 24.d5 (24.Nf7 Kh7 25.Qe8 Re8+–) 24...Ne5 25.Be5 (worse 25.fe5 Rg6 26.Kf1 Qb5 27.Rc4 Qb2–/+) 25...Rg6 26.Kf1 Nf6 27.Qd3 Ng4 (27...Rd8 28.d6 Nd7 29.Rac1+–) 28.Rac1 White plans d6 28...Ne5 (28...Rd8 29.d6 (29.Ra7?! Ne5 30.fe5 Rg5+–) 29...Qe6 30.f5+– (30.Ra7?! Ne5 31.fe5 Rg5+–)) 29.fe5 Rg5 (29...Rd8 30.d6 (30.Ra7?! Rg5+–) 30...Qe6 31.Rc8 Rc8 32.Rc8 Qc8 33.Qg6 Qa6 34.Kg2+–) 30.e6 Qf8 (30...Qg8+–) 31.e7 Qg8 32.d6 (32.d6 Rd5 33.Qe4 Rd6 34.Qa8 Qa8 35.Rc8 Kh7 36.Ra8+–) 1–0. Kozlowska,Marzena (1960) – Zebrowska,Anna, Zlota Wieza Poland, 2007.

8.Nbd2 Qa5 9.c4 0-0 10.Qc2 Ne4 11.Bd3 Ndf6 12.0-0 Bd7 13.Be4 Ne4 14.Ne4 de4 15.Qe4 Rac8 16.c5 (16.Qb7?! Bc6 17.Qb3 Bf3 18.gf3 Qg5 19.Kh1 Qh5=) 16...Bc7 17.Ng5 (worse is 17.Qb7 Rb8 18.Bc3 Rb7 19.Ba5 Ba5+=) 17...f5 18.Qh4 (18.Qb7?! Rb8 19.Bc3 Rb7 20.Ba5 Ba5+=) 18...h6 19.Nf3 Bd8 20.Qg3 Bf6 21.Ne5 Ba4 22.Ng6 Rfe8 23.Rac1 Qb5 24.Bc3 Qb3 25.Bb4 Red8 26.Rb1 Qd5 27.c6! Bc6 28.Be7 Qd7 29.Bd8 Rd8 30.Ne5 Qd5 31.Nc6 Qc6 32.Rfc1 (32.Rfc1 Qa4 33.Rb7+–) 1–0. Pleschke,Helmut (1680) – Blok,Kor (1650), IECG, 2000. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.a3 c5 5.bc5 Bc5 6.e3 Nbd7 7.d4 Bd6)

8.Nbd2 Qa5 9.Bd3 b5 10.0-0 Bb7 11.Nb3 Qb6 12.Qe2 a6 13.Bc3 0-0 14.Ba5 Qc6 15.Bb4 Qc7 16.Bd6 Qd6 17.Rfb1 Nb6 18.Nc5 Bc6 19.Ne5 Ne4 (19...Nbd7 20.Ncd7 Nd7 21.Nc6 Qc6 22.a4 ba4 23.c4+=) 20.Be4+= de4 21.Nc6 Qc6 22.Rb3 f5 23.Rab1 Nd5 (better is 23...e5!?=) 24.c4+/– bc4 25.Qc4 Rfc8 26.Rb7 Rc7 27.Qb3 Rac8 28.g3 Kf7 29.a4 Rb7 30.Qb7 Qb7 31.Rb7 Rc7 32.Rb8 Rc6 33.a5 h6 34.Ra8 Nb4 35.Ra7 Kg6 36.Kg2 Kf6 (better is 36...Rd6!?+=) 37.Nd7+– Kg5 38.Nc5 g6 (better is 38...Kf6!?=) 39.h4 Kg4?? (39...Kh5 40.Re7+/–) 40.Re7 (better is 40.Nd7 e5 41.Ne5 Kh5 42.Rb7+–) 40...Nd3 41.Re6 (41.Ne6 Ne1 42.Kh1 Rc1 43.Rh7 Nf3 44.Kg2 Rg1) 41...Nb4 42.Rc6 Nc6 43.Na6 Na5 44.Nc7 g5 45.hg5 hg5 46.Ne8+– Kh5 47.f3 ef3+/– 48.Kf3 Nb7 49.d5 Nd8 50.Nd6 Kg6 51.g4 f4? 52.ef4 gf4 53.Kf4 Kf6 54.g5 Kg6 55.Kg4 Kg7 56.Kf5 Kg8 57.Kf6 Kf8 58.g6 Ne6 59.de6 1–0. Heimann,Udo (1935) – Millet Lacombe,Pierre Jean (1830), Montigny le Bretonneux–B 4th, 2005.

8.Nbd2 Nb6 9.c4 dc4 10.Bc4 (10.Nc4 Nc4 11.Bc4 a6=) 10...Bd7 11.0-0 (11.Ne5 0-0=) 11...0-0 (11...Rc8 12.Bd3=) 12.a4 (12.Bd3 Bc6=) 12...a6 (12...Rc8 13.Bd3=) 13.Bb3 (13.Bd3 Rc8=) 13...Bc6 (13...a5 14.e4 Bb4 15.Re1=) 14.a5 Nbd7 15.Nc4 (15.Ne5 Bb5 16.Nec4 Bb4+=) 15...Bb4 Attacks the isolani on a5 (15...Bc7 16.Nfe5=) 16.Ba3 (16.Qe2 Rc8=) 16...Qe7 (16...Ba3 17.Ra3 (worse is 17.Na3 Qa5 18.Nc4 Qh5–/+) 17...Qe7 18.Ra2=) 17.Qd2 (17.Bb4!? Qb4 18.Nfd2=) 17...Ba3+= (17...Bd2? 18.Be7 Bc3 19.Rac1 (19.Bf8?! Ba1 20.Bb4 Bf3+=) 19...Bf3 20.gf3+– (20.Rc3?! Nd5+/–; 20.Bf8?! Be2+/–)) 18.Ra3 Ne4 (18...Bf3!? 19.gf3 Rfc8+=) 19.Qb2= Bb5 (19...Rac8 20.Rc1=) 20.Rc1+= Rac8 21.Ne1 (21.Raa1 Ndf6 22.Nfe5 Nd5+=) 21...Rc7 (21...Rc6 22.f3 Nef6 23.Raa1=) 22.f3 (22.Bc2 Nef6 23.Ne5 Ne5 24.de5 Nd5=) 22...Nef6 23.Nd2 (23.Rc2 Rfc8 24.Nd2 Qb4+=) 23...Rc1+= 24.Qc1 Qb4 (24...e5 25.Nc2+=) 25.Ba2 (25.Nc2 Qd6=) 25...b6 (25...Rd8 26.Nc2 Qe7 27.Qb2=) 26.Nc2 Qe7 27.Qb2 ba5 28.Ra5 Nb6 29.Nb4 The isolani on a6 becomes a target 29...Na4 30.Qa3 Nd5 31.Bd5 ed5 32.Nf1 Rb8 33.Qb3 Qc7 34.Na6 Qa5–/+ 35.Nb8 Qb6 36.Qd5 Qb8 37.Ng3 Bd3 38.Qa5 Qb1–+ 39.Kf2 Do you see the mate threat? 39...Qc2 40.Kg1 Qc1 41.Kf2 Qc2 42.Kg1 Qb1 43.Kf2–+ Qb2 44.Kg1 Qc1 45.Kf2–/+ Qc2 46.Kg1 h6 47.h3 Nb2 48.e4 Nd1 49.Nf5+= Qc1 50.Ne7= Kh7 51.Qf5 Kh8 52.Qf7 ½–½. Alekhine – Sacconi, Warszawa, 1935. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 Nbd7 4.e3 e6 5.a3 c5 6.bc5 Bc5 7.d4 Bd6)

8.Bd3 0-0 9.0-0 b5 10.Nbd2 Qc7 11.a4 b4=+ 12.Rc1 Qb6 13.c3 ½–½. Milde,Lars (1815) – Woelfelschneider,Peter (2135), TT–05.08 TSC, 2003.

8.Bd3 0-0 9.0-0 Qc7 10.Nbd2 =.

8.Bd3 0-0 9.c4 dc4 10.Bc4 Qc7 11.Nbd2 e5 12.Rc1 Qb8 13.g3 (13.Qb3!? h6 14.de5 Ne5 15.0-0+=) 13...ed4 14.ed4 (14.Nd4 Ne5=) 14...Re8+= 15.Be2 b6 16.0-0 Bb7 17.Re1 Ne4 (better is 17...a6!?+=) 18.Ne4+= Be4 19.Bd3 (19.Bb5!? Bf5 20.Bc6+/–) 19...Bd3 20.Qd3 Nf6 (20...Be7 21.Qf5 Qd6 22.Ne5 Ne5 23.Qe5 Qe5 24.Re5=) 21.Re8 Qe8 22.Re1 Qd7 23.Ne5 Be5 24.Re5 Qh3 (24...Rd8 25.Qb5+=) 25.Qf3 Rf8 26.Rg5 Re8 27.Bc3 h6 28.Rf5 Rc8 29.Rf4 (29.Bd2 Rc4=) 29...Qd7+= 30.Bd2 Rc2 31.Qa8 Rc8 32.Qf3 Rc2 33.Qa8 ½–½. Gimeno Royo,Jose Andres – Guerrero Jimenez,Juan, Zaragoza Delicias op 6th, 2005. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 Nbd7 4.e3 e6 5.a3 c5 6.bc5 Bc5 7.d4 Bd6)

8.Bd3 0-0 9.Nbd2 Re8 10.0-0 Nf8 11.c4 Bd7 12.c5 Be7 13.e4 (13.Ne5!?+=) 13...de4= 14.Ne4 Bc6 15.Re1 Ng6 16.Ne5 (16.Nf6 Bf6 17.Bg6 hg6=) 16...Ne5 (16...Be4 17.Be4 Ne5 18.de5 Ne4 19.Re4 Bc5 20.Qf3–/+) 17.de5 (17.Nf6 gf6 18.de5 f5= (worse is 18...Bc5 19.Bh7 Kh7 20.Qh5 Kg8 21.Qg4 Kh7 22.ef6 Bf2 23.Kf2 Qd2 24.Re2+=)) 17...Nd5 (better is 17...Ne4 18.Be4 Be4 19.Re4 Bc5–/+) 18.Nd6+/– Rb8 (18...Nf4 19.Be4+/– (worse is 19.Ne8 Nd3 20.Nd6 Nb2–/+)) 19.Qh5 (19.Ne8!? Qe8 20.Qc2 Ba4+–) 19...g6+/– 20.Qf3 Rf8 21.Qh3 (21.Qg3!?+/–) 21...b6 22.Bc1 bc5 23.Bh6 Bd6 24.ed6 Qd6 25.Bf8 Qf8 26.Qg3 Rb3 27.Qe5?? (27.Reb1 Rb6=) 27...Qb8 (better is 27...Rd3 28.Reb1 Nb6–+) 28.Bc4 Qe5–/+ 29.Re5 Rc3 30.Bd5 ed5 31.f3 d4 32.Re7 a6 33.Rc7 Bb5 34.Re1 d3–+ 35.Ree7?? d2 36.Rf7 d1Q 37.Kf2 Qf1 38.Kg3 Qe1 39.Kh3 Qe6 40.Kg3 Qe5 41.Kf2 Rc2 42.Kg1 Qe1 0–1. Fournier,Frederic (1965) – dagomar26 (2045), Echecs21 (5/12), 2003.

8.Bd3 Qb6 9.Qc1 Qc7 10.0-0 b6 11.Nbd2 Bb7 12.c4 Rc8 13.cd5 Bd5? (better is 13...Nd5 14.Qc7 Rc7+=) 14.e4+– Bb7 15.e5 1–0. Fournier,Frederic (2215) – Jauneau,David, Train France (FRA), 2001.

8.Bd3 Ne4 9.Nbd2 Ndf6 10.0-0 Qc7 11.c4 (11.Rc1=) 11...Ng4 (better is 11...Nd2!? 12.Nd2 Bh2 13.Kh1 Bd6+=) 12.Ne4+= de4 13.Be4 Nh2 14.Nh2 Bh2 15.Kh1 Bd6 16.c5 Be7 17.f4 (17.Qg4 g6 18.Qf3 f5+/–) 17...Bf6 18.Qc2 Bd7 19.Rfc1 (19.Bh7? g6–+) 19...Bc6 20.Rab1 Be4 21.Qe4 0-0 22.g3 Rfd8 23.Bc3 Rab8 24.Rb5 Rdc8 25.Rcb1 b6 26.a4 Qc6?? 27.Qc6+– Rc6 28.a5 Bd8 29.ab6 ab6 30.Ba5! Kf8 31.Bb6 Be7 32.Ba5 Rbc8 33.Rb8 Ke8 34.R1b7 h5 35.Kg2 g5 36.Rc8 Rc8 37.fg5 Bg5 38.Kf3 Be7 39.Bc7 Bf6 40.Rb8 Rb8 41.Bb8 1–0. Fournier,Frederic (1730) – Arcusa,Michel (1830), FRA Ch Oise, 2002.

9.Nb3 b6 10.Bd3= Bb7 11.0-0 Rc8 12.h3 Bb8 13.a4= Qc7 14.Rc1 e5 15.de5+/– Ne4 16.Be4?? de4–/+ 17.Ng5? Ne5 18.Qd2?? h6 19.Ne4 Nf3 (20.gf3 Qh2#) 0–1. guest82 – guest639, ICC, 1999.

9.Nb3 Nb6 10.Bd3 =+.

9.c4 b6 10.cd5 ed5 11.Bb5 Bb7 12.0-0 a6 13.Bd3 Qe7 14.Qb3 Rfc8 15.Rfc1 Qd8 16.Bf5 Rc1 17.Rc1 Rc8 18.Rc8 Bc8 19.a4 Qc7 20.Qc3 Qc3= 21.Bc3 Bb7 22.Bd3 Nb8 23.Bc2 Nc6 24.Ne1 Nb4 25.Bb3 Kf8 26.Nc2 Nc2 27.Bc2=+ Ke7 28.h3 Kd7 29.Kf1 Kc7 30.Ke2 g6 31.Kd1 Nd7 32.Kc1 Nb8 33.Kb2 Nc6 34.Kb3 b5 35.ab5 ab5 36.Nf3 f6 37.h4 b4 38.Bd2 Ba6 39.h5 gh5 40.Bh7 Kb6 41.Bg6 Na5 42.Kb2 Bb5 43.Bh5 Nc4 44.Kb3 Na5 45.Kb2 Nc4= ½–½. Satanek,M – Kasik,Miroslav, Plzen op–D U18, 1999.

9.c4 b6 10.cd5 ed5 11.Bd3 Re8 12.0-0 Nf8 13.Rc1 Bg4 14.Qb3 Rc8 15.h3 Bh5 16.Rc8 Qc8 17.Rc1 Qd7 18.Bb5 Qe7 19.Be8 Qe8 20.a4 Ne4 21.Ba3 Ba3 22.Qa3 Nd2 23.Nd2 h6 24.Rc7 Ne6 25.Ra7 Qc8 26.Qb2 Ng5 27.a5 ba5 28.Rb7 Qf5 29.Rb8 Kh7 30.Qb1 Ne4 31.Ne4 de4 32.Rb5 Qg6 33.Ra5 Bf3 34.Qf1 Qb6 35.Rc5 Bh5 36.Rh5 g5 37.g4 Qd6 38.h4 f6 39.hg5 fg5 40.Qg2 Qe6 41.Rh3 Kg6 42.Qg3 Qd5 43.Qe5 Qb3 44.Qe4 Kf7 45.Rh6 Qd1 46.Kg2 Kg7 47.Qg6 Kf8 48.Qf5 Kg7 49.Rg6 Kh7 50.Rg5 Kh8 51.Qf6 Kh7 52.Qg7 Normal 1-0. carlos78 (2150) - VojFromMars (2135), Rated Blitz game, lichess.org, 2015.

9.c4 dc4 10.Nc4 Be7 11.Bd3 a6 12.0-0 b5= 13.Nce5 Bb7 14.a4 b4 15.a5 Qc7 16.Qe2 Ne5 17.Ne5 Rfd8 18.f4 Be4 19.Ba6+/– Rd6 20.Rfc1 Qd8 21.Bd3 Bd3 22.Qd3 Rda6 23.Nc6 Qd6 24.d5 Bf8 25.Bf6 gf6 26.e4 Qf4 27.Rc4 Qd6 28.Rd1 Bh6 29.Qg3 Qg3 30.hg3 ed5? 31.ed5+– Bf8? 32.d6 (32...b3 33.d7+–) 1–0. hpoli – Harismuha, ChessWorld.net, 2004.

9.Bd3 a6 10.0-0 b5 11.a4 b4 12.c4 bc3 13.Bc3 Qc7 14.Qc2 Ng4 15.h3 Nh6? (better is 15...Ngf6!?+=) 16.Bh7+– Kh8 17.Bd3 Bb7 18.Rfc1 Rac8 19.Nb3 Nb6 20.Nc5! (20.Nc5 Bc5 21.dc5+–) 1–0. Heini – chessenemy, internet, 2016.

8.c4 0-0 9.Nbd2 Re8 10.Bd3 dc4 11.Nc4 b5 12.Ncd2 a6 13.0-0 Bb7 14.e4 Rc8 15.Qe2 Nb6 16.Rfd1 Na4=+ 17.Nf1? Nb2–+ 18.Qb2 Be4 19.Ne5 Bd3 20.Rd3 Nd5 21.Rc1 Qd6 22.Ng3 Rc1 23.Qc1 f6 24.Ne4–/+ Qb6 25.Nd7 Qa7 26.Qc6=+ Nf4?? 27.Ndf6!+– Kf7?? 28.Qe8 1–0. juanpacio (1800) – blake78613 (1655), internet, 2007.

8.Nbd2 a6 9.c4 b6 10.Bd3 Bb7 11.0-0 0-0 12.Rc1 Rc8 13.Qb3 dc4 14.Nc4 (14.Rc4 Rc4 15.Qc4 b5=) 14...b5 (14...Bf3 15.gf3 b5 16.Ne5 Ne5 17.de5=+) 15.Ncd2= Bd5 16.Qd1 Qb6 17.e4 Bb7 18.Re1 b4 (18...Qa5 19.Qb3=) 19.ab4 Bb4 20.Rb1 Qa7 21.Qa4 Bd2 (21...a5!?+=) 22.Nd2+/- Nb6 23.Qa5 Nfd7 24.Ba3 Rfe8 25.f3 (25.Rb2 Na8 26.Nb3 Rc7+-) 25...h6 26.h3 g6 (26...Rc7 27.Rb3+/-) 27.Kh1 Kg7 (27...f5 28.Re2+/-) 28.Red1 (28.Rb3 Bc6+-) 28...Rb8 (28...Rc7 29.Nb3+-) 29.Bb2 (29.Rb3 Bc6 30.Rc1 Rec8+-) 29...f6 30.Qa2 (30.Ba3 Rec8+-) 30...Kf7 (30...Bc8 31.Rdc1+/-) 31.Nc4 Nc4 32.Bc4 Nf8 (32...Bc8 33.d5 ed5 34.Bd5 Kg7 35.Rbc1+-) 33.Bc3 f5 (33...Bc8 34.Rb8 Qb8 35.Ba6 Ba6 36.Qa6+-) 34.e5 (34.d5!? Bc8+-) 34...Red8 35.Qf2 (35.Ba5 Rd4 36.Rd4 Qd4+/-) 35...Bd5 (35...Rdc8 36.Qf1 Bd5 37.Bd5 Rb1 38.Rb1 ed5 39.Bd2+=) 36.Bd3+/- Rb1 37.Rb1 Rb8 (37...Rc8 38.Bb4+/-) 38.Ra1 Bb7 (38...Rb6 39.Qe2+/-) 39.Qh4+- Nd7? (39...Rc8 40.Ra3 Qb6+-) 40.Qh6 (40.Bb4 Bf3 41.Bd6 (41.gf3?! Rb4 42.Qh6 Qd4 43.Qh7 Kf8=) 41...Bg2 42.Kg2+-) 40...Qb6?? (40...Nf8+-) 41.Qh7 Ke8 (41...Kf8 42.Rb1 Qb1 43.Bb1+-) 42.Qg6 Ke7 43.Qg7 Ke8 44.Rb1 (44.Rb1 Qb1 45.Bb1+-) 1-0. Dino_Jarach (1785) - Emiliosky (1765), lichess.org, 2018.

8.Bd3 b6 9.Nbd2 (9.0-0 0-0+=) 9...Bb7 10.0-0 0-0 11.Qe2 (11.c4 Rc8+=) 11...Rc8 (11...Bd6 12.c4=) 12.Rac1 (12.c4 dc4 13.Nc4 Bf3 14.gf3 Nd5=) 12...Bd6= 13.c4 dc4 (13...Qe7!?=) 14.Nc4+= Bb8 15.a4 Ne4 16.Ba3 Re8 17.Nfd2 (17.Ncd2 Nc3 18.Bh7 Kh7 19.Qd3 Kg8 20.Rc3 Ba6 21.Qa6 Rc3–/+) 17...Ndf6 18.f3 (18.Ne4 Be4 19.Be4 Ne4+=) 18...Nd2 19.Qd2 Qc7? (better 19...Qd5+=) 20.Nd6+– Qe7 21.Ne8 (21.Nc8 Qa3 22.Rc3 Qf8 23.Na7 Qd6–/+ (23...Ba7?! 24.a5=); 21.Rc8?! Rc8 22.Nc8 Qa3+=) 21...Qa3? (21...Qe8 22.Rc8 Qc8+–) 22.Rc8 Bc8 23.Nf6 (23.Qc1 Qc1 24.Rc1 Bb7 25.Nf6 gf6+–) 23...gf6 24.Qc1 Qf8 25.Qc6 e5 (25...Kg7+–) 26.Rc1 Be6 27.d5 Qh6 (27...Bd5 28.Qd5 Bd6+–) 28.de6 Qe3 29.Kh1 Qd3 30.Qc8 Kg7 31.e7 e4 (31...Bc7 32.Qf8 Kg6 33.e8Q Kg5 34.Qb4 Qd4 35.Qg8 Kf4 36.Qg3 Ke3 37.Qa3 Qd3 38.f4 Ke4 39.Qad3) 32.e8Q (32.e8Q Qf3 33.Qg8 Kh6 34.gf3 f5 35.Qf5 ef3 36.Qgh7) 1–0. Janek – Erberg, internet free game, 2017.

8.0-0 Qb6 9.Ra2 Bd6 =.

8.0-0 Qb6 9.Nc3 Qc6 10.Nb5 a6=+ 11.Nbd4 Qc7 12.d3 b6 13.Nb3 e5 14.Nc5 bc5 15.Rb1 Rb8 16.Nd2 Bb7 17.d4 ed4 18.ed4 c4 19.Bc3 Rfe8 20.Re1 Nb6 21.Ba5 Bc6 22.Nf3 Qa7 23.Ne5+= Ba4 24.Bf3 Nbd7 25.Rb4 Ne5 26.de5+/– Rb4 27.Bb4 Ne4 28.Be4 de4 29.Re4 Qc7 30.Qd5 Bc6 31.Rc4 Bd5? 32.Rc7+– h6 33.c4 Be4 34.Bd6 Rb8 35.f3 Rb1 36.Kf2 Rb2 37.Ke3 Bc2 38.h4 Ba4 39.Ra7 Rb3 40.Kd4 (40...Rb6 41.c5+–) 1–0. Fritz 10 – NN, 2007.

8.0-0 Qb6 9.Nc3 Be7 10.Rb1 =.

8.0-0 Nb6 9.a4 Bb4 10.d3 Bd7 11.Bd4 Ba4 12.Ra4 Na4 13.c3 Nc3 14.Nc3 Qe7 15.Qa1 Bc5 16.Be5 Bd6 17.Bd6 Qd6 18.e4 Qc7 19.e5 Nd7 20.Nb5 Qc2 21.Nbd4 Qc5 22.Rc1 Qb6 23.Rb1 Qc7 24.Nb5 Qd8 25.Nd6 b6 26.d4 a6 27.Rc1 a5 28.Bb5 Nb8 29.Rc8 Qc8 30.Nc8 Rc8 31.Ba4 Na6 32.Kf1 Ra7 33.Ke2 Rac7 34.Kd2 Nb4 35.Ne1 g6 36.Qb2 Rb7 37.Bb5 Kg7 38.h3 f6 39.ef6+– Kf7 40.Qb3 Rbc7 41.Qg3 Rc2?? 42.Nc2 Rc2 43.Kd1 Ra2 44.Qb8 Ra3 45.Qe8 Kf6 46.Qf8 Kg5 47.h4! (47...Kg4 48.Be2 Rf3 49.Qf3 Kh4 50.Qg3#) 1–0. MrkT – GM Viggo, internet, 2005.

8.0-0 Nb6 9.a4 Bd7 10.a5 Na4 11.Be5 =.

8.0-0 Qc7 9.Nc3 =.

8.0-0 Re8 9.Nc3 a6=+ 10.a4 e5 11.d4 ed4 12.Nd4 Ne4 13.Nd5+= Nb6 14.Nb6 Qb6 15.Ra2 Be6 16.a5+/– Qd6 17.Ne6 Qe6+= 18.Ra4 Rad8 19.Qa1 Qh6 20.Bd3?? Bd6?? 21.g3 Ng5 22.Qd1 Nh3 23.Kg2+/– g5?? 24.Rg4 Re6 25.f4 Kf8 26.fg5 Ng5 27.Qe2 Rg6?? 28.Rf5 Qh3 29.Kg1 Rh6?? 30.Rfg5 (30...Rg6 31.Qf3+–) 1–0. Eralos (2110) – nicolasm (2055), ajedrez21.com, 2003.

8.0-0 Re8 9.Nc3 a6 10.Na4 Bd6 11.c4 dc4 12.Rc1 b5 13.Nc3 Bb7 14.d4 cd3 15.Bd3 Nc5 16.Bb1 Qe7 17.Nd4 Rac8 18.Nb3 Red8 19.Qc2 Nb3 20.Qb3 Ng4 21.h3 Qh4 22.Ne2 Qh3 23.Bh7 Kh7 24.Qd3 Kg8 25.Qd6 Qg2# 0–1. khani9 – slogger, ChessWorld.net, 2007.

8.0-0 Re8 9.d4 Bd6 =.

9.Nc3 a6 =.

9.c4 Bb7 10.cd5 Bd5 11.Nc3 Bc6 12.d4 Be7 13.Rc1 Rc8 14.Qd3 Bf3 15.Bf3 Ne5 16.Qe2 Nf3 17.Qf3 Qd7 18.Rfd1 Nd5 19.e4 Nc3 20.Rc3 Rc3 21.Qc3 Rc8 22.Qb3 Bf6 23.e5 Be7 24.d5 ed5 25.Rd5 Qf5 26.Bc3 0–1. Lahuppe,Edmond (1810) – Fournier,Jean Fred (1610), FRA–ch Veterans, 1993.

9.d3 Bb7 10.a4 Bd6 =.

9.d3 Bb7 10.Nbd2 Rc8 11.h3 Qe7 12.Nb3 Bd6 13.Qd2 Rfd8 14.Rfe1 Bb8 15.Qd1 h6 16.Nfd2 Nh7 17.Bf1 Qg5 18.Rc1 Qg6 19.Qg4 Qg4–/+ 20.hg4 Nhf6 21.Be2 Ne5 22.f3 Kf8 23.Kf2 Ke7 24.Red1 Bd6 25.c4 dc4–/+ 26.Nc4 Nc4 27.dc4 e5 28.Rd2 Ne8 29.Rcd1 f6 30.Ke1 Bc6–/+ 31.Rc1 Ba4 32.Rc3 Rc6 33.Rcd3 Rcc8 34.Na1 Nc7 35.Bd1 Bd1 36.Rd1 Ne6–+ 37.Rc3 Nc5 38.Nc2 Na4–+ 39.Rb3 Rc4 40.Nb4 Bb4 41.ab4 Rc2 42.Rd8 Kd8 43.Rd3 Kc7 44.Ba3 b5 45.Rd5? Rc3 (46.Kd2 Ra3 47.Rb5 Ra2 48.Ke1 Nb6–+ (< 48...Rg2 49.Ra5 Nb2 50.Kf1–+)) 0–1. Emberger,Rene – Erlacher,Michael (2185), Graz op, 2002.

9.Nd4 a6 10.f4 =.

9.Nd4 Bb7 10.f4 Rc8 11.Ra2 =.

9.Nd4 Bb7 10.f4 Re8 11.Nc3 Bf8 12.Qe1 e5 13.Nf5 ef4 14.Rf4+= g6 15.Nd4 Bg7 16.Qf2+/– Nc5 17.Rf1 Qd7?? 18.Bb5+– Qd6 19.Be8 Re8 20.Ndb5 Qd7 21.Rf6 (21...Bf6 22.Qf6+–) 1–0. orane – albina, caissa.com, 2006.

7.Bb5 Bd7 8.Nc3 Bb5 9.Nb5 0-0 –/+.

7.c3 e5 8.d4 ed4 9.cd4 Bd6 10.Nd2 0-0 11.Be2 Re8 12.Ngf3 Bg4 13.0-0 Qh6 14.g3 Qf6 (14...Re7 15.Qa4=+) 15.Nh4 (15.Qb3!? Nc6 16.Qd5+=) 15...Bh3 16.Ng2 Nc6 17.Bg4 Bg4 18.Qg4 Rac8 19.f4? (19.Rfc1 Qe6 20.Qe6 fe6=+) 19...Qg6?? (better 19...Nd4 20.Qd7 Bc5-+) 20.Qg6= hg6 21.Nb3 Ne7 22.a4 Nf5 Exerts pressure on the backward pawn 23.Rfe1 Bb4 24.Re2 Rc3 25.Rb1 Ne3?? (25...Rc4 26.g4 Nd6 27.Rc1-/+) 26.a5?? (better 26.Nd2 a5 27.Nf1+/-) 26...Kf8-/+ 27.Nc5 (better 27.Ne3 Rce3 28.Re3 Re3 29.Kf2-/+) 27...Ng2?? (better 27...Bc5 28.dc5 Ng2 29.Rg2 Re7-+) 28.Nd7+- Kg8 29.Re8 Kh7 30.Kg2 (30.Rb4 Ne3 31.Rb7 Rc1 32.Kf2 Ng4 33.Ke2 Rc2 34.Kd1 Rc4+-) 30...Ba5 (30...Rc2 31.Kh3 Rc7 32.Rb4 Rd7 33.Rb8+-) 31.Rb7 Rc2 (31...g5 32.fg5 Kg6 33.Ne5 Kg5 34.h4 Kf5 35.Rf7 Ke4 36.Nc6 Kd3 37.Na5 Kd4 38.Rf4 Kd3 39.Rf3 Kd2 40.Nb3 Rb3 41.Rb3 d4+-) 32.Kh3 Bb6 33.Nb6 (33.Nf6 gf6 34.Rf7 Kh6 35.Rh8) 33...ab6 34.Rb6 (34.Rbb8 g5 35.f5 g4 36.Kg4 g5 37.Kg5 f6 38.Kf6 Rc6 39.Kg5 Rc7 40.Rh8 Kg7 41.f6 Kf7 42.Rbe8 b5 43.Rhf8) 34...Rd2 (34...Rf2 35.Re5 f6 36.Rd5+-) 35.Re5 (35.Rbb8 g5 36.f5 g4 37.Kg4 Rd4 38.Kh5 g6 39.Kg5 f6 40.Kf6 gf5 41.Rh8) 35...Rd4+- 36.Rb5 1-0. Atotheking (1725) – RCORRALES, lichess.org, 2020.

7.d4 0-0 8.c4 (8.Qf3 Be7=) 8...dc4 9.Bc4 Nc6 (9...Bd6 10.Nc3=) 10.Nf3 (10.Qf3 Qg6 11.dc5 Ne5=) 10...Rd8 11.0-0 e5 (11...Nd4 12.Nd4 e5 13.Qh5 Bd4 14.ed4 Rd4 15.Be2+=) 12.Ne5+= Ne5 13.de5 Qe7 14.Qb3 Bf5 15.Nc3 Rd7 (15...Qe5 16.Bf7 Kh8 17.Rfe1+=) 16.Rad1 Rad8 17.Rd7 Rd7 18.Rd1 b6 (18...Rd1 19.Nd1 b6 20.a4+=) 19.Rd7 Bd7 (19...Qd7 20.Nb5+/–) 20.Ne4+/– Ba3 21.Bf7 Qf7 22.Qa3 Qd5 (22...Bc6 23.Qd3+/–) 23.f3 a5 24.Qe7 Qf7 (24...h6!?+/–) 25.Qd8+– Qe8 26.Qc7 Qe6 27.Nd6 Kf8 28.Qd8 Be8 29.f4 a4 30.Ne8 Qe8 31.Qb6 a3 32.Qb4 Qe7 33.Qb8 Kf7 34.Qb3 Kf8 35.Kf2 Qa7 36.Qb4 Kf7 37.Qc4 Kf8 38.Qa2 Qa4 39.f5 Qb4 40.Kf3 Qa5 41.g4 Qe5 42.Qa3 Kf7 43.Qb3 Ke7 44.Qe6! (44.Qe6 Qe6 45.fe6+–) 1–0. Rosner,Dirk – DeVault,Roy, IECC, 2000.

7.d4 Bb6 8.Nd2 e5 9.de5= Qe5 10.Ngf3 Qc3 11.Bd3 Nc6 12.0-0 Be6 13.Ng5 g6 14.Ne6 fe6 15.Qg4 Qf6 16.Nf3 Rd8 17.Rac1 0-0 18.c4 d4 19.c5 de3 20.Bg6 ef2=+ 21.Rf2 hg6 22.cb6+= Ne5 23.Qh3 ab6?? 24.Rff1 Nf3 25.Rf3 Qd4 26.Re3 Rf6 27.Qg3 b5 28.h3 b4=+ 29.ab4 Qb4 30.Rc7 (30.Rec3 Qd4 31.Re3 b5–/+) ½–½. Conde,Jose A – Baer,Werner, TT–07 TSC, 2003.

8.c4= 0-0 9.Nc3 =.

8.c4 dc4 9.Nc3 0-0 10.Bc4 Nc6 11.Ne4 Qe7 12.Nd6 Qd6 13.Nf3 Bd7 14.0-0 a6 15.Ng5 h6 16.Ne4 Qc7 17.Rc1 Rac8 18.Bd3 Qa5 19.Nc5 Rfd8? 20.Nb7+– Qa3 21.Ra1 Qe7 22.Nd8 Qd8 23.Ba6 Rb8 24.Qf3 Nb4 25.Bb7 Qc7 26.Be4 Bc6 27.Bc6 Nc6 28.Rfc1 (28...Rb6 29.Qe4+–) 1–0. b4_player (2145) – NN, GameColony.com, 2004.

8.c4= dc4 9.Bc4 0-0 10.Nf3 Nc6 (10...Qe7 11.0-0=) 11.Nc3 Qe7 12.Nb5 Bb8 13.0-0 a6 14.Nc3 b5 15.Bd3 Bb7 16.Ne4 (16.Qb3 f5+=) 16...Ba7 17.Qb3 Rac8 18.Rac1 Rc7 19.a4 Na5 (19...ba4 20.Qa4 a5 21.Qb5=) 20.Rc7 Qc7 (20...Nb3?? 21.Re7 Be4 22.Be4+–) 21.Qb4 ba4 (21...Nc6 22.Qd6 Qd6 23.Nd6+=) 22.Qa4+= Bd5 23.Ned2 (23.Rb1 Rc8+/–) 23...Bb7 (23...Rb8 24.Ba6 g6 25.Bd3+/–) 24.Rb1 Rc8 25.Ne5 Bb8 26.Ra1 Nc6 27.Nef3 Exerts pressure on the isolated pawn 27...a5 28.Be4 f5 29.Bc6 Bc6 30.Qa5 Qa5 31.Ra5 Bf3 32.gf3+= Kf7 33.f4 Rc1 34.Kg2 Rc6 35.Nf3 h6 36.d5 ed5 37.Nd4 Rd6? 38.Rb5+– Rg6 39.Kf3 Bd6 40.Rd5 Rf6 41.Nf5 (41.Nf5 Bf8 42.e4+–) 1–0. Rosner,Dirk – Boeven,Helge, Tiger SC, 2000.

8.Nd2 Nc6 9.c4 0-0 10.Ngf3 Bd7 11.cd5 ed5 12.Bd3 Rfe8 13.Qb1 (13.0-0 Rab8=) 13...g6 (13...Nd4 14.Nd4 Qd4 15.0-0=+) 14.Qb7 Re7?? (14...Nd4 15.0-0 Nf3 16.Nf3=) 15.Qb1 (better 15.Qa8 Re8 16.Qb7 Nd4 17.Nd4 Qd4 18.0-0 Qd3 19.Qd7+-) 15...Nd4=+ 16.Nd4 Qd4 17.Nf3? (17.0-0 Qc3 18.Qb3 Qb3 19.Nb3 f5=+) 17...Qf6 (17...Qc3 18.Ke2 Rb8 19.Qd1-+) 18.Kf1 (better 18.0-0!?=+) 18...Bg4 19.Be2 Rb8 20.Qd1 Rb2 (20...Reb7 21.Nd2 Be2 22.Ke2-+) 21.a4 (better 21.Qd5 Reb7 22.Rd1 Ba3 23.Qd4 Qd4 24.Nd4 Be2 25.Ne2-/+) 21...Bc5?? (21...Rc7!? 22.Bd3 Rc3-+) 22.Rc1 (22.Qd5 Rc7=) 22...Be3 (better 22...Qd6-/+) 23.fe3+= Re3 24.Rc2 Rbb3 25.h3 (25.Rg1 Bf5 26.Bb5 Bc2 27.Qc2 Rb2-+) 25...Bf3 (25...Bf5 26.Rc1 Bd3-+) 26.Bf3= Rbd3 27.Rd2 Rc3?? (better 27...Qd4 28.Rd3 Rd3=) 28.Rf2?? (better 28.Rd5 Ra3 29.Rd6+-) 28...Ra3?? (better 28...Qc6 29.Rd2 Rc1-+) 29.Qd2?? (29.Bd5 Qa1 A) 30.Bf7? Kg7 31.Rd2 Qf6 (31...Kf7?! 32.Qa1 Ra1 33.Kf2 Rh1 34.Ke3=) 32.Rf2 Ra1 33.Rf6 Rd1 34.Kf2 Rh1-+; B) 30.Rd2 Qf6 31.Rf2=) 29...Ra1 (29...Qa1!? 30.Bd1 Rad3 31.g4 Rd2 32.Rd2 Qf6 33.Rf2-+) 30.Bd1 Qe5 (better 30...Qa6!? 31.Kg1 Rd3 32.Kh2 Rd2 33.Rd2-+) 31.Kg1?? (31.Rf3 Re4 32.Rd3 Rea4 33.Rd5 Qf6 34.Kg1 Rd1 35.Qd1 Ra1 36.Qa1 Qa1 37.Kh2 Qc3-+) 31...Re4?? (better 31...Rb1 32.Qc2 Rb2 33.Qc8 Kg7-+) 32.Re2?? (better 32.Rf1+=) 32...Rd4 (32...Re2 33.Qe2 Qe2 34.Kh2 Qe5 35.Kg1 Qe3 36.Kh2 Qf4 37.g3 Qf2) 33.Re5-/+ Rd2 34.Kh2 Rdd1 35.Rd1 Rd1 36.Re7 Rd4 (36...a6 37.Ra7-/+) 37.Ra7 Rd2 38.Rd7 d4 39.a5 Ra2 40.Rd8 Kg7 41.Rd4 Ra5 42.Re4 Rf5 43.Re3 h5 44.Re2 Rf6 45.Kg3 Re6 46.h4 0-1. HIALUPHARMpl (2550) - Arifars17 (2635), Rated Bullet game, lichess.org, 2020.

8.c4 0-0 9.Nf3 =.

8.c4 dc4 9.Bc4= 0-0 10.Ne2 (10.Nf3 b6=) 10...Bd6 (10...Nb6 11.Bd3 Be7 12.Nbc3=) 11.Nbc3 Qe7 (11...Qg5 12.0-0=) 12.0-0 a6 (12...Nb6 13.Bd3=) 13.a4 (13.Ne4 Ba3 14.Qb3 Bb4=) 13...b6+= 14.f3 (14.Ne4 Bh2 15.Kh2 Qh4 16.Kg1 Qe4=) 14...Qh4 (14...Nf6 15.Ne4=) 15.g3 Qh6 16.Qd3 (16.Nf4 g5 17.Nd3 Bb7=) 16...Bb7 17.Ne4 Be7 18.Nf4 (18.h4 Rfd8 19.Qb3 Nf6=) 18...Rfd8 (18...g5 19.Ng2+=) 19.Qe2= Nf6 20.Nf6 Qf6 (20...Bf6 21.Rac1=) 21.Rab1+= Rd6 22.Nd3 Qg5 23.Ne5 Bf6 24.f4 Qf5 25.Bd3 Be4 26.Qf3 Bf3 27.Bf5 Bd5 28.Bd3 Bd8 29.Rfc1 a5 30.Kf2+/– Rb8 31.Rc2 g6 32.Rbc1 Kg7 33.Rc3 Bf6 34.Rc7 Be5 35.fe5 Rdd8 36.Ke2 Rb7 37.R7c3 Rbb8 38.Kd2 Bg2 39.Rg1 Ba8 40.Rb1 Rd7 41.h4 h5 42.Rf1 Bg2 43.Rg1 Bf3 44.Rc2 Bd5 45.Rb1 Bg2 46.Bb5 Rdd8 47.Ba6 Ba8 48.Rc7+– Be4 49.Rf1 Rf8 50.Rf4 Bg2 51.e4 Ra8 52.Bb7 Rad8 53.Ke3 Bh3 54.Rf6 Bg4 55.d5 Kg8? 56.d6 Bd1 57.Bc6 White intends d7 57...Rb8 58.Rf2 Kg7 59.Re7 Rbc8 60.d7 Rcd8 61.Rf1 Bg4 62.Bb5 Kg8 63.Re8 1–0. Rohde,Friedhelm – Merten,Rainer, corr SOK–96–113, 1996.

8.Qf3 Bd6 9.c4 =+.

7.Ne2 Nbd7 8.d4 Bd6 9.Bg2 Nb6 10.Nd2 Bd7 11.Qb1 Rc8 12.0-0 Nc4 13.Nc4 Rc4 14.Rc1 Qc7 15.f3 Rc8 16.c3 Bb5 17.Bf1 Ra4 18.e4 de4 19.fe4 e5 (19...Qb6 20.Re1–/+) 20.Qc2 (better is 20.c4 Rc4 21.Nc3=) 20...Qc6 21.Bg2 (21.Bh3 Re8 22.Bg2–+) 21...Ng4 (better is 21...ed4!? 22.Qd1 d3–+) 22.Qd2–/+ Qc4 23.Bf3 Nf6 24.Rd1 Qc7 25.Kg2 Qe7 26.de5 Be2 (26...Be5 27.Nd4 Qe8 28.Rac1–/+) 27.Qe2 (27.Qd6 Qd6 28.ed6 Bd1 29.Rd1 Ne4 30.d7–/+) 27...Be5+= (27...Qe5? 28.c4 Qe6 29.e5 Be5 30.Qe5 Rac4 31.Qe6 (31.Bb7 Rc2 32.Kg1 Qb6 33.Qd4 Qb7–/+) 31...fe6 32.Bf6 gf6 33.Rd6 Rc2 34.Kh3+–) 28.Qd2 (28.Rd3 Rac4–/+) 28...Ra6 29.Qe3 Rb6 30.Rab1 h6 31.Qe2 Qc5 32.c4= Bb2 33.Rb2 Qa3 34.Rb6 ab6 35.e5 Re8 36.Qd2 Re5–/+ 37.Qd8 Re8 38.Qb6 Qa2 39.Kh3 Qc4 40.Qb7 g5 41.Bd5 Qg4 42.Kg2 Qe2 43.Kh3 g4 44.Kh4 Qh2 (44...Qd1 45.Qf7 Kh8 46.Qf6 Kh7 47.Qf7 Kh8 48.Qe8 Kg7 49.Qf7 Kh8 50.Qg8#) 0–1. Ferreira,Jose Carlos (2010) – Ramos,Angelo Bil (2065), Silvio Mendes mem, 2004.

7.Qf3 Ne4 =+.

7.Bg2 Nc6 8.Ne2 =+.

7.Bg2 Nbd7 8.Nf3 Nb6 (8...Qb6 9.Ra2=+) 9.0-0 (9.Ne5 Na4 10.Qc1 Qc7=+) 9...Nc4 10.Bc1 Bd7 11.d3 Nd6 12.Ne5 Rc8 13.Bb2 Bb6 (13...Qb6 14.Ra2 Ba4 15.d4+–) 14.Nd7= Nd7 15.Nd2 Nf6 (15...Qg5 16.Rb1=) 16.c4 dc4 17.Nc4 Nc4 ½–½. Woschkat,Karl_Heinz – Erler,Ekkehard, CiF FT–95–0018B, 1995.

8.Ne2 Bc6 9.0-0 Nbd7 =+.

8.Ne2 Bc6 9.d3 d4 10.Bc6 Nc6 11.ed4 Nd4 12.Bd4 Bd4 13.c3 –/+.

8.Ne2 Bc6 9.d3 Nbd7 10.Nd2=+ Qc7 11.0-0 Rac8 12.Nb3 Be7 13.Nbd4 Rfe8 14.Nc6 bc6 15.Qd2 Nc5 16.f4 Nfd7 17.Rab1 Na4 18.Ba1 Ba3=+ 19.Nc3 Nc3 20.Qc3=+ Bf8 21.Kh1 Rb8 22.Rbd1 Rb7 23.e4 Reb8 24.Qd2 Qb6 25.g4 Bb4 26.Qe2 Qa5 27.f5=+ ef5 28.ed5 cd5 29.Rf5 Nb6 30.Qe5 Bf8 31.Rdf1 Qa6 32.c4 Re7?? 33.Qb8+– (33...dc4 34.Qf4 Qa1 35.Ra1+–) 1–0. Ackaert,T – Van Gompel,Rob, Huy op, 1992.

8.Ne2 Nc6 9.Nbc3 =+.